Robert W. Freckmann Herbarium

Search Results:       Common Name: grass


List for printing without synonyms and photos.
Checklist from Wisconsin State Herbarium
Click on taxon for details including: Photos ( * ), Distribution Maps ( + ), Ethnobotany and Google Search.
      Family Agavaceae (click for list of genera only)  
            Yucca flaccida Haw. * +
              Adam's needle, beargrass, yucca
                 Yucca concava Haw.
                 Yucca filamentosa L. var. concava (Haw.) Baker
                 Yucca filamentosa L. var. flaccida (Haw.) Engelm.
                 Yucca filamentosa L. var. glaucescens (Haw.) Baker
                 Yucca filamentosa L. var. puberula (Haw.) Baker
                 Yucca filamentosa L. var. smalliana (Fernald) Ahles
                 Yucca flaccida Haw. var. glaucescens (Haw.) Trel.
                 Yucca flaccida Haw. var. major (Baker) Rehder
                 Yucca freemanii Shinners
                 Yucca glaucescens Haw.
                 Yucca louisianensis Trel.
                 Yucca orchioides Carričre var. major Baker
                 Yucca puberula Haw.
                 Yucca smalliana Fernald
Image of Yucca flaccida Haw.
      Family Alismataceae (click for list of genera only)  
            Alisma gramineum Lej. * +
              grass-leaved water-plantain, narrow-leaved water-plantain
                 Alisma geyeri Torr.
                 Alisma gramineum Lej. var. angustissimum (DC.) Hendricks
                 Alisma gramineum Lej. var. geyeri (Torr.) Lam.
                 Alisma gramineum Lej. var. wahlenbergii auct. non (Holmb.) Raymond & Kucyn.
                 Alisma gramineum Lej. var. graminifolium (Wahlenb.) Hendricks
Image of Alisma gramineum Lej.
            Sagittaria graminea Michx. subsp. graminea * +
              grass-leaved arrow-head, grass-leaved sagittaria
                 Sagittaria cycloptera (J.G.Sm.) C.Mohr
                 Sagittaria eatonii J.G.Sm.
                 Sagittaria graminea Michx. var. graminea
                 Sagittaria macrocarpa J.G.Sm.
Image of Sagittaria graminea Michx. subsp. graminea
      Family Asteraceae (click for list of genera only)  
            Euthamia graminifolia (L.) Nutt. var. graminifolia * +
              common flat-topped goldenrod, grass-leaved goldenrod
                 Chrysocoma graminifolia L.
                 Euthamia floribunda Greene
                 Euthamia graminifolia (L.) Nutt. var. nuttallii (Greene) W.Stone
                 Euthamia nuttallii Greene
                 Solidago graminifolia (L.) Salisb.
                 Solidago graminifolia (L.) Salisb. var. graminifolia
                 Solidago graminifolia (L.) Salisb. var. nuttallii (Greene) Fernald
                 Solidago graminifolia (L.) Salisb. var. polycephala (Fernald) Fernald
                 Solidago graminifolia (L.) Salisb. var. typica Rosend. & Cronquist
                 Solidago hirtella (Greene) Bush
                 Solidago nuttallii (Greene) Bush
                 Solidago polycephala Fernald
Image of Euthamia graminifolia (L.) Nutt. var. graminifolia
            Euthamia gymnospermoides Greene * +
              Great Plains flat-topped goldenrod, Texas goldentop, viscid grass-leaved goldenrod
                 Euthamia camporum Greene
                 Euthamia chrysothamnoides Greene
                 Euthamia glutinosa Rydb.
                 Euthamia media Greene
                 Euthamia pulverulenta Greene
                 Solidago camporum (Greene) A.Nelson
                 Solidago chrysothamnoides (Greene) Bush
                 Solidago graminifolia (L.) Salisb. var. gymnospermoides (Greene) Croat
                 Solidago graminifolia (L.) Salisb. var. media (Greene) S.K.Harris
                 Solidago gymnospermoides (Greene) Fernald
                 Solidago gymnospermoides (Greene) Fernald var. callosa S.K.Harris
                 Solidago media (Greene) Bush
                 Solidago moseleyi Fernald
                 Solidago perglabra Friesner
                 Solidago texensis Friesner
Image of Euthamia gymnospermoides Greene
      Family Boraginaceae (click for list of genera only)  
            Myosotis L. *
              forget-me-not, scorpion-grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Myosotis arvensis (L.) Hill * +
              field forget-me-not, field scorpion-grass
                 Myosotis scorpioides L. var. arvensis L.
Image of Myosotis arvensis (L.) Hill
            Myosotis discolor Pers. * +
              changing forget-me-not, yellow and blue scorpion-grass
                 Myosotis versicolor Sm.
Image of Myosotis discolor Pers.
            Myosotis scorpioides L. * +
              common forget-me-not, forget-me-not, true forget-me-not, water scorpion-grass
                 Myosotis palustris (L.) Hill
Image of Myosotis scorpioides L.
            Myosotis stricta Link ex Roem. & Schult. * +
              blue scorpion-grass, strict forget-me-not
                 Myosotis micrantha Pall. ex Link
Image of Myosotis stricta Link ex Roem. & Schult.
            Myosotis verna Nutt. * +
              early scorpion-grass, white forget-me-not
                 Myosotis virginica auct. non (L.) Britton, Sterns & Poggenb.
Image of Myosotis verna Nutt.
            Plagiobothrys figuratus (Piper) I.M.Johnst. ex M.Peck
              [Excluded] fragrant popcorn-flower, scorpion-grass
      Family Brassicaceae (click for list of genera only)  
            Draba L. *
              whitlow-grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Draba arabisans Michx. * +
              rock whitlow-grass
                 Draba arabisans Michx. var. arabisans
                 Draba arabisans Michx. var. superiorensis Butters & Abbe
Image of Draba arabisans Michx.
            Draba cana Rydb. * +
              hoary whitlow-grass
                 Draba breweri S.Watson var. cana (Rydb.) Rollins
                 Draba lanceolata Royle
                 Draba stylaris J.Gay ex W.D.J.Koch
Image of Draba cana Rydb.
            Draba glabella Pursh
              [Excluded] smooth whitlow-grass
            Draba nemorosa L. var. leiocarpa Lindblom * +
              woodland draba, woodland whitlow-grass
                 Draba lutea Gilib.
Image of Draba nemorosa L. var. leiocarpa Lindblom
            Draba reptans (Lam.) Fernald * +
              Carolina whitlow-grass, common whitlow-grass
                 Draba caroliniana Walter
                 Draba caroliniana Walter f. stellifera O.E.Schulz
                 Draba micrantha Nutt.
                 Draba reptans (Lam.) Fernald f. micrantha (Nutt.) C.L.Hitchc.
                 Draba reptans (Lam.) Fernald f. reptans
                 Draba reptans (Lam.) Fernald subsp. stellifera (O.E.Schulz) Abrams
                 Draba reptans (Lam.) Fernald var. micrantha (Nutt.) Fernald
                 Draba reptans (Lam.) Fernald var. reptans
                 Draba reptans (Lam.) Fernald var. stellifera (O.E.Schulz) C.L.Hitchc.
                 Draba reptans (Lam.) Fernald var. typica C.L.Hitchc.
Image of Draba reptans (Lam.) Fernald
            Draba verna L. * +
              spring whitlow-grass, vernal whitlow-grass
                 Draba praecox Stev.
                 Draba verna L. var. aestivalis Lej.
                 Draba verna L. var. boerhaavii H.C.Hall
                 Draba verna L. var. major Stur
                 Erophila spathulata Láng
                 Erophila verna (L.) Besser
                 Erophila verna (L.) Besser subsp. praecox (Stev.) Walters
                 Erophila verna (L.) Besser subsp. spathulata (Láng) Walters
Image of Draba verna L.
            Lepidium L. *
              peppergrass, pepperwort, tongue-grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Lepidium densiflorum Schrad. * +
              prairie pepper-weed, small peppergrass
                 (for list of synonyms - see the varieties)
Image of Lepidium densiflorum Schrad.
            Lepidium densiflorum Schrad. var. densiflorum +
              prairie pepper-weed, small peppergrass
                 Lepidium apetulum auct. non Willd.
                 Lepidium densiflorum Schrad. var. typicum Thell.
                 Lepidium neglectum Thell.
                 Lepidium texanum Buckley
            Lepidium ruderale L. * +
              fetid peppergrass, roadside pepper-weed, stinking pepper-weed
Image of Lepidium ruderale L.
            Lepidium virginicum L. var. virginicum * +
              common peppergrass, poor-man's-pepper, Virginia pepper-weed
                 Lepidium virginicum L. var. typicum C.L.Hitchc.
Image of Lepidium virginicum L. var. virginicum
      Family Caryophyllaceae (click for list of genera only)  
            Cerastium arvense L. * +
              field chickweed, starry grasswort
                 (for other synonyms - see the subspecies)
                 Cerastium alsophilum Greene
                 Cerastium angustatum Greene
                 Cerastium arvense L. f. oblongifolium (Torr.) Pennell
                 Cerastium arvense L. var. angustifolium Fenzl
                 Cerastium arvense L. var. latifolium Fenzl
                 Cerastium arvense L. var. purpurascens B.Boivin
                 Cerastium arvense L. var. villosum (Muhl. ex Darl.) Hollick & Britton
                 Cerastium arvense L. var. viscidulum Gremli
                 Cerastium campestre Greene
                 Cerastium confertum Greene
                 Cerastium effusum Greene
                 Cerastium elongatum Pursh
                 Cerastium graminifolium Rydb.
                 Cerastium latifolium Fenzl
                 Cerastium nitidum Greene
                 Cerastium oblongifolium Torr.
                 Cerastium occidentale Greene
                 Cerastium oreophilum Greene
                 Cerastium patulum Greene
                 Cerastium scopulorum Greene
                 Cerastium sonnei Greene
                 Cerastium strictum L.
                 Cerastium subulatum Greene
                 Cerastium tenuifolium Pursh
                 Cerastium vestitum Greene
                 Cerastium villosum Muhl. ex Darl.
Image of Cerastium arvense L.
            Cerastium arvense L. subsp. arvense +
              field chickweed, starry grasswort
            Cerastium arvense L. subsp. strictum Gaudin +
              field chickweed, starry grasswort
            Cerastium velutinum Raf. var. velutinum * +
              field chickweed, starry grasswort
                 Cerastium arvense L. subsp. velutinum (Raf.) Ugbor. var. velutinum
                 Cerastium arvense L. var. oblongifolium (Torr.) Hollick & Britton
Image of Cerastium velutinum Raf. var. velutinum
            Scleranthus L. *
              knawel, knotgrass (DISTRIBUTION MAP GALLERY of SPECIES)
            Scleranthus annuus L. subsp. annuus * +
              annual knawel, German knotgrass
                 Scleranthus annuus L.
Image of Scleranthus annuus L. subsp. annuus
            Stellaria graminea L. * +
              common stitchwort, grass-like starwort, starwort
                 Alsine graminea (L.) Britton
Image of Stellaria graminea L.
      Family Chenopodiaceae (click for list of genera only)  
            Atriplex littoralis L.
              [Excluded] grass-leaved orache, seashore orache
      Family Cyperaceae (click for list of genera only)  
            Carex jamesii Schwein. * +
              grass sedge, James' sedge
                 Carex steudelii Kunth
Image of Carex jamesii Schwein.
            Cladium mariscoides (Muhl.) Torr. * +
              smooth sawgrass, twig-rush
                 Mariscus mariscoides (Muhl.) Kuntze
                 Schoenus mariscoides Muhl.
Image of Cladium mariscoides (Muhl.) Torr.
            Eriophorum L. *
              bog-cotton, cotton-grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Eriophorum angustifolium Honck. subsp. angustifolium * +
              cotton-grass
                 Eriophorum angustifolium Honck. var. angustifolium
                 Eriophorum polystachion auct. non L.
Image of Eriophorum angustifolium Honck. subsp. angustifolium
            Eriophorum angustifolium Honck. subsp. scabriusculum Hultén
              [Excluded] tall cotton-grass
            Eriophorum chamissonis C.A.Mey. * +
              Chamisso's cotton-grass, russet cotton-grass
                 Eriophorum altaicum Meinsh. var. neogeum Raymond
                 Eriophorum chamissonis C.A.Mey. f. albidum (F.Nyl.) Fernald
                 Eriophorum chamissonis C.A.Mey. f. chamissonis
                 Eriophorum chamissonis C.A.Mey. f. turneri Raymond
                 Eriophorum chamissonis C.A.Mey. var. aquatile (Norman) Fernald
                 Eriophorum rufescens Andersson
                 Eriophorum russeolum Fr. f. leucothrix Blomgr.
                 Eriophorum russeolum Fr. subsp. rufescens (Andersson) Hyl.
                 Eriophorum russeolum Fr. var. albidum F.Nyl.
                 Eriophorum russeolum Fr. var. leucothrix (Blomgr.) Hultén
                 Eriophorum russeolum Fr. var. majus Sommier
Image of Eriophorum chamissonis C.A.Mey.
            Eriophorum gracile W.D.J.Koch ex Roth * +
              slender cotton-grass
Image of Eriophorum gracile W.D.J.Koch ex Roth
            Eriophorum tenellum Nutt. * +
              cotton-grass sedge, conifer cotton-grass, few-nerved cotton-grass
                 Eriophorum tenellum Nutt. var. monticola Fernald
Image of Eriophorum tenellum Nutt.
            Eriophorum vaginatum L. * +
              tussock cotton-grass
                 Eriophorum callitrix auct. non Cham.
                 Eriophorum spissum Fernald
                 Eriophorum spissum Fernald var. erubescens (Fernald) Fernald
                 Eriophorum vaginatum L. subsp. spissum (Fernald) Hultén
                 Eriophorum vaginatum L. var. spissum (Fernald) B.Boivin
Image of Eriophorum vaginatum L.
            Eriophorum virginicum L. * +
              rusty cotton-grass, tawny cotton-grass
                 Eriophorum virginicum L. f. album (A.Gray) Wiegand
                 Eriophorum virginicum L. f. virginicum
Image of Eriophorum virginicum L.
            Eriophorum viridicarinatum (Engelm.) Fernald * +
              dark-scale cotton-grass, tall cotton-grass
                 Eriophorum latifolium Hoppe var. viridicarinatum Engelm.
Image of Eriophorum viridicarinatum (Engelm.) Fernald
            Fuirena pumila (Torr.) Spreng. * +
              dwarf umbrella-sedge, umbrella-grass
                 Fuirena squarrosa Michx. var. pumila Torr.
                 Fuirena torreyana Beck
Image of Fuirena pumila (Torr.) Spreng.
            Scirpus atrocinctus Fernald * +
              black-girdled wool-grass
                 Scirpus cyperinus (L.) Kunth var. brachypodus (Fernald) Gilly
Image of Scirpus atrocinctus Fernald
            Scirpus cyperinus (L.) Kunth * +
              wool-grass
                 Eriophorum cyperinum L.
                 Scirpus cyperinus (L.) Kunth var. andrewsii (Fernald) Fernald
                 Scirpus cyperinus (L.) Kunth var. condensatus Fernald
                 Scirpus cyperinus (L.) Kunth var. cyperinus
                 Scirpus cyperinus (L.) Kunth var. eriophorum (Michx.) Kuntze
                 Scirpus cyperinus (L.) Kunth var. laxus (A.Gray) Beetle
                 Scirpus cyperinus (L.) Kunth var. pelius Fernald
                 Scirpus cyperinus (L.) Kunth var. pelius Fernald f. condensatus (Fernald) S.F.Blake
                 Scirpus cyperinus (L.) Kunth var. rubricosus (Fernald) Gilly
                 Scirpus eriophorum Michx.
                 Scirpus rubricosus Fernald
Image of Scirpus cyperinus (L.) Kunth
            Scirpus pedicellatus Fernald * +
              stalked wool-grass
                 Scirpus cyperinus (L.) Kunth var. pedicellatus (Fernald) Schuyler
                 Scirpus pedicellatus Fernald var. pullus Fernald
Image of Scirpus pedicellatus Fernald
            Scleria triglomerata Michx. * +
              stone-rush, tall nut-rush, whip nut-rush, whip-grass
                 Scleria flaccida Steud.
                 Scleria nitida Willd.
Image of Scleria triglomerata Michx.
            Trichophorum Pers. *
              alpine cotton-grass, alpine club-rush (DISTRIBUTION MAP GALLERY of SPECIES)
            Trichophorum alpinum (L.) Pers. * +
              alpine cotton-grass, alpine club-rush
                 Baeothryon alpinum (L.) T.V.Egorova
                 Eriophorum alpinum L.
                 Eriophorum hudsonianum Michx.
                 Leucocoma alpina (L.) Rydb.
                 Scirpus alpinus (L.) Dalla Torre & Sarnth., 1906
                 Scirpus hudsonianus (Michx.) Fernald
                 Trichophorum alpinum (L.) Pers. var. hudsonianum (Michx.) Pers.
Image of Trichophorum alpinum (L.) Pers.
      Family Hydrocharitaceae (click for list of genera only)  
            Vallisneria americana Michx. * +
              American eelgrass, water-celery
                 Vallisneria americana Michx. var. americana
                 Vallisneria asiatica Michx.
                 Vallisneria neotropicalis Vict.
                 Vallisneria spiralis auct. non L.
                 Vallisneria spiralis L. var. asiatica (Michx.) Torr.
Image of Vallisneria americana Michx.
      Family Hypericaceae (click for list of genera only)  
            Hypericum gentianoides (L.) Britton, Sterns & Poggenb. * +
              orange-grass, pine-weed
                 Sarothra gentianoides L.
Image of Hypericum gentianoides (L.) Britton, Sterns & Poggenb.
      Family Iridaceae (click for list of genera only)  
            Sisyrinchium L. *
              blue-eyed-grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Sisyrinchium albidum Raf. * +
              common blue-eyed-grass, pale blue-eyed-grass, white blue-eyed-grass
                 Sisyrinchium asheianum E.P.Bicknell
                 Sisyrinchium bermudianum L. var. albidum (Raf.) A.Gray
                 Sisyrinchium floridanum Raf.
                 Sisyrinchium hastile E.P.Bicknell
                 Sisyrinchium niveum Raf.
                 Sisyrinchium scabrellum E.P.Bicknell
Image of Sisyrinchium albidum Raf.
            Sisyrinchium angustifolium Mill. * +
              narrow-leaved blue-eyed-grass, pointed blue-eyed-grass, stout blue-eyed-grass
                 Sisyrinchium bermudiana auct. non L.
                 Sisyrinchium gramineum Curtis
                 Sisyrinchium graminoides E.P.Bicknell
Image of Sisyrinchium angustifolium Mill.
            Sisyrinchium atlanticum E.P.Bicknell * +
              eastern blue-eyed-grass
                 Sisyrinchium apiculatum E.P.Bicknell
                 Sisyrinchium apiculatum E.P.Bicknell var. mesochorum Nieuwl.
                 Sisyrinchium corymbosum E.P.Bicknell
                 Sisyrinchium flexile E.P.Bicknell
                 Sisyrinchium mucronatum Michx. var. atlanticum (E.P.Bicknell) H.E.Ahles
                 Sisyrinchium scoparium E.P.Bicknell
                 Sisyrinchium tracyi E.P.Bicknell
                 Sisyrinchium violaceum E.P.Bicknell
Image of Sisyrinchium atlanticum E.P.Bicknell
            Sisyrinchium campestre E.P.Bicknell * +
              prairie blue-eyed-grass
                 Sisyrinchium campestre E.P.Bicknell f. flaviflorum (E.P.Bicknell) Steyerm.
                 Sisyrinchium campestre E.P.Bicknell var. campestre
                 Sisyrinchium campestre E.P.Bicknell var. kansanum E.P.Bicknell
                 Sisyrinchium flaviflorum E.P.Bicknell
                 Sisyrinchium kansanum (E.P.Bicknell) Alexander
Image of Sisyrinchium campestre E.P.Bicknell
            Sisyrinchium montanum Greene * +
              mountain blue-eyed-grass, strict blue-eyed grass
                 (for list of synonyms - see the varieties)
Image of Sisyrinchium montanum Greene
            Sisyrinchium montanum Greene var. crebrum Fernald +
              mountain blue-eyed grass, strict blue-eyed grass
                 Sisyrinchium bermudiana L. var. crebrum (Fernald) B.Boivin
                 Sisyrinchium montanum Greene subsp. crebrum (Fernald) Böcher
            Sisyrinchium montanum Greene var. montanum * +
              mountain blue-eyed grass, strict blue-eyed grass
                 Sisyrinchium montanum Greene subsp. montanum
Image of Sisyrinchium montanum Greene var. montanum
            Sisyrinchium mucronatum Michx. * +
              needle-tip blue-eyed-grass
                 Sisyrinchium angustifolium Michx. var. mucronatum (Michx.) Baker
                 Sisyrinchium bermudiana L. var. mucronatum (Michx.) Baker
                 Sisyrinchium intermedium E.P.Bicknell
                 Sisyrinchium versicolor E.P.Bicknell
Image of Sisyrinchium mucronatum Michx.
            Sisyrinchium strictum E.P.Bicknell * +
              mountain blue-eyed-grass
Image of Sisyrinchium strictum E.P.Bicknell
      Family Juncaceae (click for list of genera only)  
            Juncus gerardii Loisel. * +
              black-grass, salt-meadow rush
Image of Juncus gerardii Loisel.
            Juncus marginatus Rostk. * +
              grass-leaved rush
                 Juncus biflorus Elliott
                 Juncus marginatus Rostk. var. biflorus (Elliott) Chapm.
                 Juncus marginatus Rostk. var. odoratus Torr.
                 Juncus marginatus Rostk. var. setosus Coville
                 Juncus setosus (Coville) Small
Image of Juncus marginatus Rostk.
      Family Juncaginaceae (click for list of genera only)  
            Triglochin L. *
              arrow-grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Triglochin maritima L. * +
              arrow-grass, common bog arrow-grass, seaside arrow-grass
                 Triglochin concinna Burtt Davy
                 Triglochin concinna Burtt Davy var. debilis (M.E.Jones) J.T.Howell
                 Triglochin debilis (M.E.Jones) A.Löve & D.Löve
                 Triglochin elata Nutt.
                 Triglochin maritimum L. var. elata (Nutt.) A.Gray
Image of Triglochin maritima L.
            Triglochin palustris L. * +
              marsh arrow-grass, slender bog arrow-grass
Image of Triglochin palustris L.
      Family Liliaceae (click for list of genera only)  
            Aletris farinosa L. * +
              unicorn root, white colic-root, white stargrass
Image of Aletris farinosa L.
            Hypoxis hirsuta (L.) Coville * +
              common gold-star, common star-grass, yellow star-grass
                 Hypoxis carolinensis Michx.
                 Hypoxis decumbens L.
                 Hypoxis erecta L.
                 Hypoxis graminea Pursh
                 Hypoxis grandis Pollard
                 Hypoxis micrantha Pollard
                 Hypoxis pallida Salisb.
                 Hypoxis villosa Raf.
                 Ornithogalum hirsutum L.
Image of Hypoxis hirsuta (L.) Coville
      Family Orchidaceae (click for list of genera only)  
            Calopogon R.Br. *
              grass-pink (DISTRIBUTION MAP GALLERY of SPECIES)
            Calopogon oklahomensis D.H.Goldman * +
              Oklahoma grass pink
Image of Calopogon oklahomensis D.H.Goldman
            Calopogon tuberosus (L.) Britton, Sterns & Poggenb. var. tuberosus * +
              grass pink, tuberous grass pink
                 Calopogon pulchellus (Salisb.) R.Br.
                 Calopogon pulchellus (Salisb.) R.Br. var. latifolius (H.St.John) Fernald
                 Calopogon tuberosus (L.) Britton, Sterns & Poggenb. var. latifolius (H.St.John) B.Boivin
                 Cathea pulchella Salisb.
                 Cathea tuberosa (L.) Morong
                 Cymbidium pulchellum (Salisb.) Sw.
                 Helleborine tuberosa (L.) Kuntze
                 Limodorum barbatum Lam.
                 Limodorum pulchellum Salisb.
                 Limodorum tuberosum L.
                 Limodorum tuberosum L. var. nanum Nieuwl.
Image of Calopogon tuberosus (L.) Britton, Sterns & Poggenb. var. tuberosus
      Family Plantaginaceae (click for list of genera only)  
            Plantago lanceolata L. * +
              English plantain, narrow-leaved plantain, plantain, ribgrass
                 Plantago altissima auct. non L.
                 Plantago lanceolata L. var. angustifolia Poir.
                 Plantago lanceolata L. var. sphaerostachya Mert. & W.D.J.Koch
Image of Plantago lanceolata L.
      Family Poaceae (click for list of genera only)  
            Achnatherum hymenoides (Roem. & Schult.) Barkworth *
              [Excluded] Indian rice grass
                 Eriocoma hymenoides (Roem. & Schult.) Rydb.
                 Oryzopsis hymenoides (Roem. & Schult.) Ricker ex Piper
                 Stipa hymenoides Roem. & Schult.
Image of Achnatherum hymenoides (Roem. & Schult.) Barkworth
            Agropyron cristatum (L.) Gaertn. * +
              desert wheat grass
                 Agropyron cristatum (L.) Gaertn. subsp. desertorum (Fisch. ex Link) A.Löve
                 Agropyron cristatum (L.) Gaertn. var. desertorum (Fisch. ex Link) Dorn
                 Agropyron desertorum (Fisch. ex Link) Schult.
                 Triticum desertorum Fisch. ex Link
Image of Agropyron cristatum (L.) Gaertn.
            Agrostis L. *
              bent grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Agrostis capillaris L. *
              [Excluded] colonial bent grass, Rhode Island bent grass
                 Agrostis tenuis Sibth.
Image of Agrostis capillaris L.
            Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. * +
              southern hair grass, tickle grass, winter bent grass
                 Agrostis antecedens E.P.Bicknell
                 Cornucopiae hyemalis Walter
Image of Agrostis hyemalis (Walter) Britton, Sterns & Poggenb.
            Agrostis perennans (Walter) Tuck. var. perennans * +
              autumn bent grass, thin grass, upland bent grass
                 Agrostis oreophila Trin.
                 Agrostis perennans (Walter) Tuck. var. aestivalis Vasey
                 Agrostis schweinitzii Trin.
                 Cornucopiae perennans Walter
Image of Agrostis perennans (Walter) Tuck. var. perennans
            Agrostis scabra Willd. * +
              rough bent grass, southern hair grass, tickle grass
                 Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. var. scabra (Willd.) Blomq.
                 Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. var. tenuis (Tuck.) Gleason
Image of Agrostis scabra Willd.
            Agrostis stolonifera L. * +
              creeping bent grass, creeping tickle grass
                 Agrostis alba L. var. palustris (Huds.) Pers.
                 Agrostis alba L. var. stolonifera (L.) Sm.
                 Agrostis maritima Lam.
                 Agrostis palustris Huds.
                 Agrostis stolonifera L. var. compacta Hartm.
                 Agrostis stolonifera L. var. palustris (Huds.) Farw.
Image of Agrostis stolonifera L.
            Ammophila breviligulata Fernald * +
              American beach-grass, dune grass, marram grass
                 Ammophila champlainensis F.Seym.
Image of Ammophila breviligulata Fernald
            Anthoxanthum L. *
              vernal grass
            Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp subsp. arcticum (J. Presl) G. Tucker * +
              northern sweet grass, vanilla grass
                 Hierochloe arctica J.Presl
                 Hierochloe hirta (Schrank) Borbás subsp. arctica (J.Presl) G.Weim.
                 Hierochloe odorata auct. non (L.) P.Beauv.
Image of Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp subsp. arcticum (J. Presl) G. Tucker
            Anthoxanthum odoratum L. * +
              sweet vernal grass
                 Anthoxanthum odoratum L. subsp. odoratum
Image of Anthoxanthum odoratum L.
            Apera interrupta (L.) P.Beauv. * +
              dense silkybent, silky bent grass
                 Agrostis interrupta L.
Image of Apera interrupta (L.) P.Beauv.
            Aristida basiramea Engelm. ex Vasey * +
              fork-tip three-awn grass
                 Aristida basiramea Engelm. ex Vasey var. basiramea
Image of Aristida basiramea Engelm. ex Vasey
            Aristida dichotoma Michx. * +
              church-mouse three-awn, poverty grass, Shinners' three-awn, Shinners' three-awned grass
                 (for list of synonyms - see the varieties)
Image of Aristida dichotoma Michx.
            Aristida dichotoma Michx. var. dichotoma +
              church-mouse three-awn, poverty grass, Shinners' three-awn, Shinners' three-awned grass
            Aristida longespica Poir. var. geniculata (Raf.) Fernald * +
              Kearney's three-awn, red three-awn, slender three-awn, slim-spike three-awn grass
                 Aristida geniculata Raf.
                 Aristida intermedia Scribn. & Ball
                 Aristida necopina Shinners
Image of Aristida longespica Poir. var. geniculata (Raf.) Fernald
            Aristida longespica Poir. var. longespica
              [Excluded] slender three-awn, slim-spike three-awn grass
                 Aristida gracilis Elliott
            Aristida oligantha Michx. * +
              old-field three-awn, plains three-awn grass
Image of Aristida oligantha Michx.
            Aristida tuberculosa Nutt. * +
              beach three-awn, dune three-awn grass, seaside three-awn
Image of Aristida tuberculosa Nutt.
            Arrhenatherum elatius (L.) P.Beauv. ex J.Presl & C.Presl subsp.. elatius * +
              tall oat grass
                 Avena elatior L.
Image of Arrhenatherum elatius (L.) P.Beauv. ex J.Presl & C.Presl subsp.. elatius
            Avenella flexuosa (L.) Drejer * +
              crinkled hair grass, wavy hair grass
                 Aira flexuosa L.
                 Deschampsia flexuosa (L.) Trin.
                 Lerchenfeldia flexuosa (L.) Schur
Image of Avenella flexuosa (L.) Drejer
            Avenula pubescens (Huds.) Dumort. * +
              downy alpine oatgrass
                 Avena pubescens Huds.
                 Helictotrichon pubescens (Huds.) Besser ex Pilg.
Image of Avenula pubescens (Huds.) Dumort.
            Beckmannia syzigachne (Steud.) Fernald * +
              American slough grass
                 Beckmannia eruciformis auct. non (L.) Host
                 Beckmannia eruciformis (L.) Host subsp. baicalensis (Kusn.) Hultén
                 Beckmannia eruciformis (L.) Host var. uniflora Scribn. ex A.Gray
                 Beckmannia syzigachne (Steud.) Fernald subsp. baicalensis (Kusn.) T.Koyama & Kawano
                 Beckmannia syzigachne (Steud.) Fernald var. uniflora (Scribn. ex A.Gray) B.Boivin
                 Panicum syzigachne Steud.
Image of Beckmannia syzigachne (Steud.) Fernald
            Bouteloua Lag. *
              grama grass, mesquite grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Bouteloua dactyloides (Nutt.) J.T. Columbus * +
              buffalo grass
                 Buchloe dactyloides (Nutt.) Engelm.
                 Bulbilis dactyloides (Nutt.) Raf. ex Kuntze
                 Sesleria dactyloides Nutt.
Image of Bouteloua dactyloides (Nutt.) J.T. Columbus
            Bouteloua gracilis (Kunth) Lag. ex Griffiths * +
              blue grama, eyelash grass, graceful grama grass
                 Bouteloua gracilis (Kunth) Lag. ex Griffiths var. stricta (Vasey) Hitchc.
                 Bouteloua oligostachya (Nutt.) Torr. ex A.Gray
                 Chondrosum gracile Willd. ex Kunth
                 Chondrosum oligostachyum (Nutt.) Torr.
Image of Bouteloua gracilis (Kunth) Lag. ex Griffiths
            Bouteloua hirsuta Lag. subsp. hirsuta * +
              hairy grama, hairy grama grass
                 Bouteloua hirsuta Lag. var. hirsuta
                 Chondrosum hirsutum (Lag.) Kunth
Image of Bouteloua hirsuta Lag. subsp. hirsuta
            Brachyelytrum aristosum (Michx.) Trel. * +
              bearded shorthusk, long-awned wood grass, northern shorthusk
                 Brachyelytrum aristosum (Michx.) Trel. var. glabratum Vasey ex Millsp.
                 Brachyelytrum erectum (Schreb. ex Spreng.) P.Beauv. var. glabratum (Vasey ex Millsp.) T.Koyama & Kawano
                 Brachyelytrum erectum (Schreb. ex Spreng.) P.Beauv. var. septentrionale Babel
                 Brachyelytrum septentrionale (Babel) G.C.Tucker
Image of Brachyelytrum aristosum (Michx.) Trel.
            Brachyelytrum erectum (Schreb. ex Spreng.) P.Beauv. * +
              bearded shorthusk, long-awned wood grass
                 Brachyelytrum erectum (Schreb. ex Spreng.) P.Beauv. var. erectum
Image of Brachyelytrum erectum (Schreb. ex Spreng.) P.Beauv.
            Briza maxima L. *
              [Excluded] big quaking grass
Image of Briza maxima L.
            Briza media L. * +
              perennial quaking grass
Image of Briza media L.
            Bromus L. *
              brome grass, chess (DISTRIBUTION MAP GALLERY of SPECIES)
            Bromus secalinus L. * +
              brome grass, cheat, chess, rye brome
                 Bromus secalinus L. var. hirsutus Kindb.
                 Bromus secalinus L. var. hirtus (F.W.Schultz) Hegi
Image of Bromus secalinus L.
            Bromus tectorum L. * +
              cheat grass, downy brome, downy chess, June grass
                 Bromus tectorum L. var. glabratus Spenn.
                 Bromus tectorum L. var. nudus Klett & Richter
Image of Bromus tectorum L.
            Calamagrostis Adans. *
              reed grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Calamagrostis canadensis (Michx.) P.Beauv. * +
              blue-joint grass
                 (for list of synonyms - see the varieties)
Image of Calamagrostis canadensis (Michx.) P.Beauv.
            Calamagrostis canadensis (Michx.) P.Beauv. var. canadensis +
              big reed grass, blue-joint grass
                 Calamagrostis anomala Suksd.
                 Calamagrostis atropurpurea Nash
                 Calamagrostis canadensis (Michx.) P.Beauv. var. acuminata Vasey ex Shear & Rydb.
                 Calamagrostis canadensis (Michx.) P.Beauv. var. pallida (Vasey & Scribn.) Stebbins
                 Calamagrostis canadensis (Michx.) P.Beauv. var. robusta Vasey
                 Calamagrostis canadensis (Michx.) P.Beauv. var. typica Stebbins
                 Calamagrostis expansa Rickett & Gilly var. robusta (Vasey) Stebbins
                 Calamagrostis inexpansa A.Gray var. cuprea Kearney
                 Calamagrostis inexpansa A.Gray var. robusta (Vasey) Stebbins
            Calamagrostis canadensis (Michx.) P.Beauv. var. macouniana (Vasey) Stebbins +
              Macoun's blue-joint, Macoun's reed grass
                 Calamagrostis macouniana (Vasey) Vasey
            Calamagrostis epigeios (L.) Roth * +
              Chee reed grass, feathertop
Image of Calamagrostis epigeios (L.) Roth
            Calamagrostis stricta (Timm) Koeler * +
              slim-stem reed grass, slim-stem small reed grass
                 (for list of synonyms - see the subspecies)
Image of Calamagrostis stricta (Timm) Koeler
            Calamagrostis stricta (Timm) Koeler subsp. inexpansa (A.Gray) C.W.Greene * +
              New England northern reed grass, northern reed grass, slim-stem reed grass
                 Calamagrostis californica Kearney
                 Calamagrostis chordorrhiza Porsild
                 Calamagrostis expansa Rickett & Gilly
                 Calamagrostis fernaldii Louis-Marie
                 Calamagrostis hyperborea Lange var. americana (Vasey) Kearney
                 Calamagrostis hyperborea Lange var. elongata Kearney
                 Calamagrostis hyperborea Lange var. stenodes Kearney
                 Calamagrostis inexpansa A.Gray
                 Calamagrostis inexpansa A.Gray var. barbulata Kearney
                 Calamagrostis inexpansa A.Gray var. brevior (Vasey) Stebbins
                 Calamagrostis inexpansa A.Gray var. novae-angliae Stebbins
                 Calamagrostis labradorica Kearney
                 Calamagrostis lacustris (Kearney) Nash
                 Calamagrostis lapponica (Wahlenb.) Hartm. var. brevipilis Stebbins
                 Calamagrostis pickeringii A.Gray var. lacustris (Kearney) Hitchc.
                 Calamagrostis scopulorum M.E.Jones var. bakeri Stebbins
                 Calamagrostis stricta (Timm) Koeler var. brevior Vasey
                 Calamagrostis stricta (Timm) Koeler var. lacustris (Kearney) C.W.Greene
Image of Calamagrostis stricta (Timm) Koeler subsp. inexpansa (A.Gray) C.W.Greene
            Calamagrostis stricta (Timm) Koeler subsp. stricta var. stricta +
              slim-stem reed grass, slim-stem small reed grass
                 Calamagrostis neglecta Gaertn., B.Mey. & Scherb.
                 Calamagrostis neglecta Gaertn., B.Mey. & Scherb. subsp. stricta (Timm) Tzvelev
                 Calamagrostis neglecta Gaertn., B.Mey. & Scherb. var. gracilis (Scribn.) Scribn.
                 Calamagrostis neglecta Gaertn., B.Mey. & Scherb. var. micrantha (Kearney) Stebbins
            Calamovilfa longifolia (Hook.) Scribn. var. magna Scribn. & Merr. * +
              prairie sand-reed, sand-reed grass
Image of Calamovilfa longifolia (Hook.) Scribn. var. magna Scribn. & Merr.
            Catabrosa aquatica (L.) P.Beauv. * +
              brook grass, water whorl-grass
                 Aira aquatica L.
                 Catabrosa aquatica (L.) P.Beauv. var. aquatica
                 Catabrosa aquatica (L.) P.Beauv. var. uniflora S.F.Gray
Image of Catabrosa aquatica (L.) P.Beauv.
            Chloris verticillata Nutt. * +
              windmill finger-grass, tumble windmill grass
Image of Chloris verticillata Nutt.
            Coleataenia longifolia (Torr.) Soreng subsp. rigidula (Bosc ex Nees) Soreng * +
              red-top panic grass
                 Panicum agrostoides Spreng.
                 Panicum agrostoides Spreng. var. ramosius (C.Mohr) Fernald
                 Panicum elongatum Pursh var. ramosius C.Mohr
                 Panicum rigidulum Bosc. ex Nees subsp. rigidulum
                 Panicum rigidulum Bosc ex Nees var. rigidulum
Image of Coleataenia longifolia (Torr.) Soreng subsp. rigidula (Bosc ex Nees) Soreng
            Crypsis schoenoides (L.) Lam. * +
              false-timothy, pickle grass, swamp pickle grass
                 Heleochloa schoenoides (L.) Host ex Roem.
Image of Crypsis schoenoides (L.) Lam.
            Cynodon dactylon (L.) Pers. * +
              Bermuda-grass
Image of Cynodon dactylon (L.) Pers.
            Cynosurus cristatus L. * +
              crested dog's-tail grass, dog's-tail
Image of Cynosurus cristatus L.
            Dactylis glomerata L. * +
              orchard grass
Image of Dactylis glomerata L.
            Danthonia compressa Austin * +
              flattened oatgrass
                 Danthonia allenii Austin
Image of Danthonia compressa Austin
            Danthonia spicata (L.) P.Beauv. ex Roem. & Schult. * +
              poverty danthonia, poverty grass, poverty oat grass
                 Danthonia spicata (L.) P.Beauv. ex Roem. & Schult. var. longipila Scribn. & Merr.
                 Danthonia spicata (L.) P.Beauv. ex Roem. & Schult. var. pinetorum Piper
                 Danthonia thermalis Scribn.
Image of Danthonia spicata (L.) P.Beauv. ex Roem. & Schult.
            Deschampsia P.Beauv. *
              hair grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Deschampsia cespitosa (L.) P.Beauv. * +
              small-flowered tickle grass, tufted hair grass
                 Deschampsia caespitosa (L.) P.Beauv. [orthographic variant]
Image of Deschampsia cespitosa (L.) P.Beauv.
            Deschampsia cespitosa (L.) P.Beauv. subsp. cespitosa * +
              small-flowered tickle grass, tufted hair grass
                 Aira cespitosa L.
                 Deschampsia cespitosa (L.) P.Beauv. subsp. genuina (Rchb.) Volk.
                 Deschampsia cespitosa (L.) P.Beauv. var. abbei B.Boivin
                 Deschampsia cespitosa (L.) P.Beauv. var. alpicola (Rydb.) A.Löve, D.Löve & Kapoor
                 Deschampsia cespitosa (L.) P.Beauv. var. genuina Gren. & Godr.
                 Deschampsia cespitosa (L.) P.Beauv. var. intercotidalis B.Boivin
                 Deschampsia cespitosa (L.) P.Beauv. var. littoralis (Gaudin) K.Richt.
                 Deschampsia cespitosa (L.) P.Beauv. var. longiflora Beal
                 Deschampsia cespitosa (L.) P.Beauv. var. maritima Vasey
Image of Deschampsia cespitosa (L.) P.Beauv. subsp. cespitosa
            Deschampsia cespitosa (L.) P.Beauv. subsp. glauca (C.Hartm.) C.Hartm. +
              tufted hair grass
                 Deschampsia cespitosa (L.) P.Beauv. var. glauca (Hartm.) Lindm., non Regel
                 Deschampsia glauca Hartm.
            Deschampsia cespitosa (L.) P.Beauv. subsp. parviflora (Thuill.) Jarm. & Soó +
                 Deschampsia cespitosa (L.) P.Beauv. var. parviflora (Thuill.) Coss. & Germ.
            Desmazeria rigida (L.) Tutin *
              [Excluded] fern grass
                 Catapodium rigidum (L.) C.E.Hubb. ex Dony
                 Poa rigida L.
                 Scleropoa rigida (L.) Griseb.
Image of Desmazeria rigida (L.) Tutin
            Diarrhena americana P.Beauv. (sensu stricto)
              [Excluded] American beak grain, beak grass
            Dichanthelium (Hitchc. & Chase) Gould *
              rosette grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Dichanthelium acuminatum (Sw.) Gould & C.A.Clark * +
              hairy panic grass
                 (for other synonyms - see the varieties)
                 Panicum acuminatum Sw.
                 Panicum acuminatum Sw. X P. columbianum Scribn.
                 Panicum lanuginosum Elliott, non Bosc ex Spreng.
Image of Dichanthelium acuminatum (Sw.) Gould & C.A.Clark
            Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. fasciculatum (Torr.) Freckmann * +
              western panic grass
                 Dichanthelium acuminatum (Sw.) Gould & C.A.Clark subsp. fasciculatum (Torr.) Freckmann & Lelong
                 Dichanthelium lanuginosum (Elliott) Gould var. fasciculatum (Torr.) Spellenb.
                 Panicum acuminatum Sw. var. fasciculatum (Torr.) Lelong
                 Panicum brodiei H.St.John
                 Panicum glutinoscabrum Fernald
                 Panicum huachucae Ashe
                 Panicum huachucae Ashe var. fasciculatum (Torr.) F.T.Hubb.
                 Panicum languidum Hitchc.
                 Panicum lanuginosum Elliott, non Bosc ex Spreng. var. fasciculatum (Torr.) Fernald
                 Panicum lanuginosum Elliott, non Bosc ex Spreng. var. huachucae (Ashe) Hitchc.
                 Panicum lanuginosum Elliott, non Bosc ex Spreng. var. septentrionale (Fernald) Fernald
                 Panicum lanuginosum Elliott, non Bosc ex Spreng. var. tennesseense (Ashe) Gleason
                 Panicum lassenianum Schmoll
                 Panicum lindheimeri Nash var. fasciculatum (Torr.) Fernald
                 Panicum occidentale Scribn.
                 Panicum pacificum Hitchc. & Chase
                 Panicum subvillosum Ashe
                 Panicum tennesseense Ashe
Image of Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. fasciculatum (Torr.) Freckmann
            Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. lindheimeri (Nash) Lelong * +
              Lindheimer's panic grass
                 Dichanthelium acuminatum (Sw.) Gould & C.A.Clark subsp. lindheimeri (Nash) Freckmann & Lelong
                 Dichanthelium lanuginosum (Elliott) Gould var. lindheimeri (Nash) Fernald
                 Dichanthelium lindheimeri (Nash) Gould
                 Panicum acuminatum Sw. var. lindheimeri (Nash) Lelong
                 Panicum lanuginosum Elliott, non Bosc ex Spreng. var. lindheimeri (Nash) Fernald
                 Panicum lindheimeri Nash
Image of Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. lindheimeri (Nash) Lelong
            Dichanthelium boreale (Nash) Freckmann * +
              northern panic grass
                 Panicum bicknellii Nash
                 Panicum bicknellii Nash var. bushii (Nash) Farw.
                 Panicum boreale Nash
                 Panicum boreale Nash var. michiganense Farw.
                 Panicum bushii Nash
                 Panicum calliphyllum Ashe
Image of Dichanthelium boreale (Nash) Freckmann
            Dichanthelium clandestinum (L.) Gould * +
              deer-tongue grass
Image of Dichanthelium clandestinum (L.) Gould
            Dichanthelium columbianum (Scribn.) Freckmann * +
              hemlock panic grass
                 Dichanthelium acuminatum (Sw.) Gould & C.A.Clark subsp. columbianum (Scribn.) Freckmann & Lelong
                 Dichanthelium sabulorum (Lam.) Gould & C.A.Clark var. thinium (Hitchc. & Chase) Gould & C.A.Clark
                 Panicum acuminatum Sw. var. columbianum (Scribn.) Lelong
                 Panicum columbianum Scribn.
                 Panicum heterophyllum Bosc ex Nees
                 Panicum sabulorum Lam. var. thinium (Hitchc. & Chase) C.F.Reed
                 Panicum tsugetorum Nash
                 Panicum unciphyllum Trin. var. thinium Hitchc. & Chase
Image of Dichanthelium columbianum (Scribn.) Freckmann
            Dichanthelium commonsianum (Ashe) Freckmann var. euchlamydeum (Shinners) Freckmann * +
              stiff-leaved panic grass
                 Dichanthelium commonsianum (Ashe) Freckmann
                 Dichanthelium ovale (Elliott) Gould & C.A.Clark subsp. pseudopubescens (Nash) Freckmann & Lelong
                 Dichanthelium ovale (Elliott) Gould & C.A.Clark var. addisonii (Nash) Gould & C.A.Clark
                 Dichanthelium villosissimum (Nash) Freckmann var. pseudopubescens (Nash) Mohlenbr.
                 Panicum addisonii Nash
                 Panicum alabamense Ashe
                 Panicum columbianum Scribn. var. commonsianum (Ashe) McNeill & Dore
                 Panicum commonsianum Ashe
                 Panicum commonsianum Ashe var. addisonii (Nash) R.W.Pohl
                 Panicum commonsianum Ashe var. addisonii (Nash) Fernald
                 Panicum commonsianum Ashe var. commonsianum
                 Panicum commonsianum Ashe var. euchlamydeum (Shinners) R.W.Pohl
                 Panicum euchlamydeum Shinners
                 Panicum mundum Fernald
                 Panicum ovale Elliott var. addisonii (Nash) C.F.Reed
                 Panicum ovale Elliott var. pseudopubescens (Nash) Lelong
                 Panicum owenae E.P.Bicknell
                 Panicum pseudopubescens Nash
                 Panicum villosissimum Nash var. pseudopubescens (Nash) Fernald
                 Panicum wilmingtonense Ashe
Image of Dichanthelium commonsianum (Ashe) Freckmann var. euchlamydeum (Shinners) Freckmann
            Dichanthelium depauperatum (Muhl.) Gould * +
              poverty panic grass, starved panic grass
                 Panicum depauperatum Muhl.
                 Panicum depauperatum Muhl. var. depauperatum
                 Panicum depauperatum Muhl. var. involutum (Torr.) A.W.Wood
                 Panicum depauperatum Muhl. var. psilophyllum Fernald
                 Panicum strictum Pursh var. psilophyllum (Fernald) Farw.
Image of Dichanthelium depauperatum (Muhl.) Gould
            Dichanthelium dichotomum (L.) Gould * +
              forked panic grass
                 Panicum barbulatum Michx.
                 Panicum caerulescens Hack. ex Hitchc.
                 Panicum dichotomum L.
                 Panicum dichotomum L. var. barbulatum (Michx.) A.W.Wood
Image of Dichanthelium dichotomum (L.) Gould
            Dichanthelium latifolium (L.) Harvill * +
              broad-leaved panic grass
                 Panicum latifolium L.
                 Panicum macrocarpon Leconte ex Torr.
Image of Dichanthelium latifolium (L.) Harvill
            Dichanthelium leibergii (Vasey) Freckmann * +
              Leiberg's panic grass, prairie panic grass
                 Panicum leibergii (Vasey) Scribn.
                 Panicum scoparium Lam. var. leibergii Vasey
                 Panicum scribnerianum Nash var. leibergii (Vasey) Scribn.
Image of Dichanthelium leibergii (Vasey) Freckmann
            Dichanthelium linearifolium (Scribn.) Gould * +
              linear-leaved panic grass, slender-leaved panic grass
                 Dichanthelium linearifolium (Scribn.) Gould var. werneri (Scribn.) Mohlenbr.
                 Panicum linearifolium Scribn.
                 Panicum linearifolium Scribn. var. linearifolium
                 Panicum linearifolium Scribn. var. werneri (Scribn.) Fernald
                 Panicum strictum Pursh var. linearifolium (Scribn.) Farw.
                 Panicum werneri Scribn.
Image of Dichanthelium linearifolium (Scribn.) Gould
            Dichanthelium meridionale (Ashe) Freckmann * +
              mat panic grass
                 Dichanthelium acuminatum (Sw.) Gould & C.A.Clark subsp. implicatum (Scribn. ex Nash) Freckmann & Lelong
                 Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. implicatum (Scribn.) Gould & C.A.Clark
                 Panicum acuminatum Sw. var. implicatum (Scribn.) C.F.Reed
                 Panicum albemarlense Ashe
                 Panicum columbianum Scribn. var. oricola (Hitchc. & Chase) Fernald
                 Panicum columbianum Scribn. var. thinium Hitchc. & Chase
                 Panicum heterophyllum Bosc ex Nees var. thinium (Hitchc. & Chase) F.T.Hubb.
                 Panicum implicatum Scribn.
                 Panicum lanuginosum Elliott, non Bosc ex Spreng. var. implicatum (Scribn.) Fernald
                 Panicum leucothrix Nash, sensu Gleason & Cronquist (1991)
                 Panicum meridionale Ashe
                 Panicum meridionale Ashe var. albemarlense (Ashe) Fernald
                 Panicum oricola Hitchc. & Chase
Image of Dichanthelium meridionale (Ashe) Freckmann
            Dichanthelium oligosanthes (Schult.) Gould var. oligosanthes
              [Excluded] Heller's rosette grass
                 Dichanthelium oligosanthes (Schult.) Gould subsp. oligosanthes
                 Panicum oligosanthes Schult. var. oligosanthes
            Dichanthelium oligosanthes (Schult.) Gould var. scribnerianum (Nash) Gould * +
              few-flowered panic grass, Scribner's panic grass, Scribner's rosette grass
                 Dichanthelium oligosanthes (Schult.) Gould subsp. scribnerianum (Nash) Freckmann & Lelong
                 Dichanthelium oligosanthes (Schult.) Gould var. helleri (Nash) Mohlenbr.
                 Panicum helleri Nash
                 Panicum oligosanthes Schult. var. helleri (Nash) Fernald
                 Panicum oligosanthes Schult. var. scribnerianum (Nash) Fernald
                 Panicum scoparium S.Watson ex Nash, non Lam.
                 Panicum scribnerianum Nash
Image of Dichanthelium oligosanthes (Schult.) Gould var. scribnerianum (Nash) Gould
            Dichanthelium perlongum (Nash) Freckmann * +
              long-stalked panic grass
                 Dichanthelium depauperatum (Muhl.) Gould var. perlongum (Nash) B.Boivin
                 Panicum perlongum Nash
                 Panicum strictum Pursh var. perlongum (Nash) Farw.
Image of Dichanthelium perlongum (Nash) Freckmann
            Dichanthelium sabulorum (Lam.) Gould & C.A.Clark
              [Excluded] Hemlock rosette grass
            Dichanthelium villosissimum (Nash) Freckmann var. praecocius (Hitchc. & Chase) Freckmann * +
              stiff-leaved panic grass
                 Dichanthelium ovale (Elliott) Gould & C.A.Clark subsp. praecocius (Hitch. & Chase) Freckmann & Lelong
                 Panicum lanuginosum Elliott, non Bosc ex Spreng. var. praecocius (Hitchc. & Chase) McNeill & Dore
                 Panicum praecocius Hitchc. & Chase
Image of Dichanthelium villosissimum (Nash) Freckmann var. praecocius (Hitchc. & Chase) Freckmann
            Dichanthelium wilcoxianum (Vasey) Freckmann * +
              Wilcox's panic grass
                 Dichanthelium oligosanthes (Schult.) Gould var. wilcoxianum (Vasey) Gould & C.A.Clark
                 Panicum wilcoxianum Vasey
                 Panicum wilcoxianum Vasey var. breitungii B.Boivin
Image of Dichanthelium wilcoxianum (Vasey) Freckmann
            Dichanthelium xanthophysum (A.Gray) Freckmann * +
              pale panic grass, slender rosette grass
                 Panicum leibergii (Vasey) Scribn. var. baldwinii Lepage
                 Panicum xanthophysum A.Gray
Image of Dichanthelium xanthophysum (A.Gray) Freckmann
            Digitaria Haller *
              crabgrass (DISTRIBUTION MAP GALLERY of SPECIES)
            Digitaria cognata (Schult.) Pilg. subsp. cognata * +
              fall witch grass
                 Digitaria cognata (Schult.) Pilg. var. cognata
                 Leptoloma cognatum (Schult.) Chase
                 Panicum cognatum Schult.
Image of Digitaria cognata (Schult.) Pilg. subsp. cognata
            Digitaria ischaemum (Schreb.) Muhl. * +
              smooth crabgrass
                 Digitaria humifusa Pers.
                 Digitaria ischaemum (Schreb.) Muhl. var. ischaemum
                 Digitaria ischaemum (Schreb.) Muhl. var. mississippiensis (Gatt.) Fernald
                 Panicum ischaemum Schreb.
                 Syntherisma ischaemum (Schreb.) Nash
Image of Digitaria ischaemum (Schreb.) Muhl.
            Digitaria longiflora (Retz.) Pers.
              [Excluded] Indian crabgrass
            Digitaria sanguinalis (L.) Scop. * +
              hairy crabgrass, northern crabgrass
                 Panicum sanguinale L.
                 Syntherisma sanguinalis (L.) Dulac
Image of Digitaria sanguinalis (L.) Scop.
            Distichlis spicata (L.) Greene * +
              alkali grass, inland salt grass, spike grass
                 Distichlis spicata (L.) Greene subsp. stricta (Torr.) Thorne
                 Distichlis spicata (L.) Greene var. borealis (J.Presl) Beetle
                 Distichlis spicata (L.) Greene var. divaricata Beetle
                 Distichlis spicata (L.) Greene var. nana Beetle
                 Distichlis spicata (L.) Greene var. spicata
                 Distichlis spicata (L.) Greene var. stolonifera Beetle
                 Distichlis spicata (L.) Greene var. stricta (Torr.) Beetle
                 Distichlis stricta (Torr.) Rydb.
                 Distichlis stricta (Torr.) Rydb. var. dentata (Rydb.) C.L.Hitchc.
                 Uniola spicata L.
Image of Distichlis spicata (L.) Greene
            Echinochloa P.Beauv. *
              cup grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Echinochloa crus-galli (L.) P.Beauv. * +
              barnyard grass, large barnyard grass
                 Echinochloa crus-galli (L.) P.Beauv. subsp. crus-galli
                 Echinochloa crus-galli (L.) P.Beauv. var. crus-galli
                 Echinochloa crus-galli (L.) P.Beauv. var. mitis (Pursh) Peterm.
                 Echinochloa muricata (P.Beauv.) Fernald var. occidentalis Wiegand
                 Echinochloa occidentalis (Wiegand) Rydb.
                 Echinochloa pungens (Poir.) Rydb. var. coarctata Fernald & Griscom
                 Panicum crus-galli L.
Image of Echinochloa crus-galli (L.) P.Beauv.
            Echinochloa muricata (P.Beauv.) Fernald * +
              American barnyard grass, barnyard grass, cockspur grass, rough barnyard grass
                 (for list of synonyms - see the varieties)
Image of Echinochloa muricata (P.Beauv.) Fernald
            Echinochloa muricata (P.Beauv.) Fernald var. microstachya Wiegand * +
              rough barnyard grass
                 Echinochloa microstachya (Wiegand) Rydb.
                 Echinochloa muricata (P.Beauv.) Fernald var. wiegandii Fassett
                 Echinochloa pungens (Poir.) Rydb. var. microstachya (Wiegand) Fernald & Griscom
                 Echinochloa pungens (Poir.) Rydb. var. multiflora (Wiegand) Fernald & Griscom
                 Echinochloa pungens (Poir.) Rydb. var. wiegandii Fassett
                 Echinochloa wiegandii (Fassett) McNeill & Dore
Image of Echinochloa muricata (P.Beauv.) Fernald var. microstachya Wiegand
            Echinochloa muricata (P.Beauv.) Fernald var. muricata * +
              barnyard grass, cockspur grass, rough barnyard grass
                 Echinochloa crus-galli (L.) P.Beauv. f. longiseta (Trin.) Farw.
                 Echinochloa muricata (P.Beauv.) Fernald var. ludoviciana Wiegand
                 Echinochloa pungens (Poir.) Rydb.
                 Echinochloa pungens (Poir.) Rydb. var. ludoviciana (Wiegand) Fernald & Griscom
Image of Echinochloa muricata (P.Beauv.) Fernald var. muricata
            Echinochloa walteri (Pursh) A.Heller * +
              coast barnyard grass, salt-marsh cockspur grass, water-millet
                 Echinochloa walteri (Pursh) A.Heller f. laevigata Wiegand
                 Panicum walteri Pursh
Image of Echinochloa walteri (Pursh) A.Heller
            Eleusine indica (L.) Gaertn. * +
              crowfoot grass, Indian goose grass, yard grass
                 Cynosurus indicus L.
Image of Eleusine indica (L.) Gaertn.
            Elymus L. *
              lyme grass, wild-rye (DISTRIBUTION MAP GALLERY of SPECIES)
                 Agropyron Gaertn.
            Elymus hystrix L. * +
              bottlebrush grass, eastern bottlebrush grass, glumeless wild-rye
                 (for list of synonyms - see the varieties)
Image of Elymus hystrix L.
            Elymus hystrix L. var. bigeloviana (Fernald) Bowden +
              Bigelow's bottlebrush grass, eastern bottlebrush grass
                 Asperella hystrix (L.) Humb. var. bigeloviana Fernald
                 Elymus hystrix L. f. bigelovianus (Fernald) Dore
                 Hystrix patula Moench f. bigeloviana (Fernald) Gleason
                 Hystrix patula Moench var. bigeloviana (Fernald) Deam
            Elymus hystrix L. var. hystrix * +
              bottlebrush grass, eastern bottlebrush grass, glumeless wild-rye
                 Asperella hystrix (L.) Humb.
                 Hystrix hystrix (L.) Millsp.
                 Hystrix patula Moench
Image of Elymus hystrix L. var. hystrix
            Elymus lanceolatus (Scribn. & J.G.Sm.) Gould * +
              thick-spike wheat grass
                 (for list of synonyms - see the subspecies)
Image of Elymus lanceolatus (Scribn. & J.G.Sm.) Gould
            Elymus lanceolatus (Scribn. & J.G.Sm.) Gould subsp. lanceolatus * +
              thick-spike wheat grass
                 Agropyron dasystachyum (Hook.) Scribn.
                 Agropyron dasystachyum (Hook.) Scribn. var. riparum (Scribn. & J.G.Sm.) Bowden
                 Agropyron elmeri Scribn.
                 Agropyron lanceolatum Scribn. & J.G.Sm.
                 Agropyron riparum Scribn. & J.G.Sm.
                 Agropyron riparium Scribn.& J.G.Sm.
                 Elytrigia dasystachya (Hook.) A.Löve & D.Löve subsp. dasystachya
                 Elytrigia dasystachya (Hook.) A.Löve & D.Löve var. dasystachya
                 Elymus lanceolatus (Scribn. & J.G.Sm.) Gould var. riparius (Scribn. & J.G.Sm.) Dorn
                 Elytrigia riparia (Scribn. & J.G.Sm.) Beetle
Image of Elymus lanceolatus (Scribn. & J.G.Sm.) Gould subsp. lanceolatus
            Elymus lanceolatus (Scribn. & J.G.Sm.) Gould subsp. psammophilus (J.M.Gillett & Senn) A.Löve * +
              streambank wheat grass, thick-spike wheat grass
                 Agropyron dasystachyum (Hook.) Scribn. subsp. psammophilum (J.M.Gillett & Senn) Dewey
                 Agropyron dasystachyum (Hook.) Scribn. var. psammophilum (J.M.Gillett & Senn) E.G.Voss
                 Agropyron psammophilium J.M.Gillett & Senn
                 Elytrigia dasystachya (Hook.) A.Löve & D.Löve subsp. psammophila (J.M.Gillett & Senn) Dewey
                 Elytrigia dasystachya (Hook.) A.Löve & D.Löve var. psammophila (J.M.Gillett & Senn) Cronquist
Image of Elymus lanceolatus (Scribn. & J.G.Sm.) Gould subsp. psammophilus (J.M.Gillett & Senn) A.Löve
            Elymus repens (L.) Gould * +
              couchgrass, creeping quackgrass, quackgrass
                 Agropyron acadiense F.T.Hubb.
                 Agropyron repens (L.) P.Beauv.
                 Agropyron repens (L.) P.Beauv. var. repens
                 Agropyron repens (L.) P.Beauv. var. repens f. aristatum (Schumach.) Holmb.
                 Agropyron repens (L.) P.Beauv. var. repens f. pilosum (Scribn.) Fernald
                 Agropyron repens (L.) P.Beauv. var. repens f. trichorrhachis Rohlena
                 Agropyron repens (L.) P.Beauv. var. subulatum (Schreb.) Roem. & Schult.
                 Agropyron repens (L.) P.Beauv. var. subulatum (Schreb.) Roem. & Schult. f. setiferum Fernald
                 Agropyron repens (L.) P.Beauv. var. subulatum (Schreb.) Roem. & Schult. f. heberhachis Fernald
                 Agropyron repens (L.) P.Beauv. var. subulatum (Schreb.) Roem. & Schult. f. subulatum
                 Agropyron repens (L.) P.Beauv. var. subulatum (Schreb.) Roem. & Schult. f. vaillantianum (Wulfen & Schreb.) Fernald
                 Elytrigia repens (L.) Desv. ex B.D.Jacks.
                 Elytrigia repens (L.) Desv. ex B.D.Jacks. var. repens
                 Elytrigia repens (L.) Desv. ex B.D.Jacks. var. vaillantiana (Wulfen & Schreb.) Prokudin
                 Triticum repens L.
Image of Elymus repens (L.) Gould
            Elymus trachycaulus (Link) Gould ex Shinners * +
              slender wheat grass
                 (for list of synonyms - see the subspecies)
Image of Elymus trachycaulus (Link) Gould ex Shinners
            Elymus trachycaulus (Link) Gould ex Shinners subsp. subsecundus (Link) A.Löve & D.Löve * +
              bearded wheat grass, slender wheat grass
                 Agropyron caninum (L.) P.Beauv. var. unilaterale (Cassidy) C.L.Hitchc.
                 Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues var. glaucum (Pease & A.H.Moore) Taylor
                 Agropyron subsecundum (Link) Hitchc.
                 Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. ciliatum (Scribn. & J.G.Sm.) Malte
                 Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. glaucum (Pease & A.H.Moore) Malte
                 Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. unilaterale (Cassidy) Malte
                 Elymus trachycaulus (Link) Gould ex Shinners subsp. glaucus (Pease & A.H.Moore) Cody
                 Elymus trachycaulus (Link) Gould ex Shinners var. unilateralis (Cassidy) Beetle
                 Triticum subsecundum Link
Image of Elymus trachycaulus (Link) Gould ex Shinners subsp. subsecundus (Link) A.Löve & D.Löve
            Elymus trachycaulus (Link) Gould ex Shinners subsp. trachycaulus * +
              slender wheat grass
                 Agropyron brevifolium Scribn.
                 Agropyron caninum (L.) P.Beauv. subsp. majus (Vasey) C.L.Hitchc.
                 Agropyron caninum (L.) P.Beauv. var. andinum (Scribn. & J.G.Sm.) Pease & A.H.Moore
                 Agropyron caninum (L.) P.Beauv. var. hornemannii (Koch) Pease & A.H.Moore
                 Agropyron caninum (L.) P.Beauv. var. mitchellii Welsh
                 Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues
                 Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues subsp. majus (Vasey) Melderis
                 Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues subsp. novae-angliae (Scribn.) Melderis
                 Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues subsp. teslinense (Porsild & Senn) Melderis
                 Agropyron pauciflorum (Schwein.) Hitchc. ex Silvues var. novae-angliae (Scribn.) Roy L.Taylor & MacBryde
                 Agropyron subsecundum (Link) Hitchc. var. andinum (Scribn. & J.G.Sm.) Hitchc.
                 Agropyron tenerum Vasey
                 Agropyron teslinense Porsild & Senn
                 Agropyron trachycaulum (Link) Malte ex H.F.Lewis
                 Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. majus (Vasey) Fernald
                 Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. novae-angliae (Scribn.) Fernald
                 Agropyron trachycaulum (Link) Malte ex H.F.Lewis var. trachycaulum
                 Agropyron violaceum (Hornem.) Lange subsp. andinum (Scribn. & J.G.Sm.) Melderis
                 Agropyron violaceum (Hornem.) Lange var. andinum Scribn. & J.G.Sm.
                 Elymus pauciflorus (Schwein.) Gould, non Lam.
                 Elymus trachycaulus (Link) Gould ex Shinners subsp. andinus (Scribn. & J.G.Sm.) A.Löve & D.Löve
                 Elymus trachycaulus (Link) Gould ex Shinners subsp. novae-angliae (Scribn.) Tzvelev
                 Elymus trachycaulus (Link) Gould ex Shinners subsp. teslinensis (Porsild & Senn) A.Löve
                 Elymus trachycaulus (Link) Gould ex Shinners var. andinus (Scribn. & J.G.Sm.) Dorn
                 Elymus trachycaulus (Link) Gould ex Shinners var. majus (Vasey) Beetle
                 Roegneria pauciflora (Schwein.) Hyl.
                 Roegneria trachycaula (Link) Nevski
                 Triticum trachycaulum Link
Image of Elymus trachycaulus (Link) Gould ex Shinners subsp. trachycaulus
            Eragrostis Wolf *
              love grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Eragrostis capillaris (L.) Nees * +
              lace grass
Image of Eragrostis capillaris (L.) Nees
            Eragrostis cilianensis (All.) Vignolo ex Janch. * +
              stink grass
                 Eragrostis major Host
                 Eragrostis megastachya (Koeler) Link
                 Poa cilianensis All.
Image of Eragrostis cilianensis (All.) Vignolo ex Janch.
            Eragrostis frankii C.A.Mey. ex Steud. * +
              sandbar love grass
                 Eragrostis frankii C.A.Mey. ex Steud. var. brevipes Fassett
Image of Eragrostis frankii C.A.Mey. ex Steud.
            Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb. * +
              creeping love grass, teal love grass
                 Poa hypnoides Lam.
Image of Eragrostis hypnoides (Lam.) Britton, Sterns & Poggenb.
            Eragrostis mexicana (Hornem.) Link subsp. mexicana * +
              Mexican love grass, New Mexico love grass
                 Eragrostis neomexicana Vasey
                 Poa mexicana Hornem.
Image of Eragrostis mexicana (Hornem.) Link subsp. mexicana
            Eragrostis minor Host * +
              little love grass
                 Eragrostis eragrostis (L.) P.Beauv.
                 Eragrostis poaeoides P.Beauv.
Image of Eragrostis minor Host
            Eragrostis pectinacea (Michx.) Nees var. pectinacea * +
              Carolina love grass, low love grass, small love grass, tufted love grass
                 Eragrostis caroliniana (Biehler) Scribn.
                 Eragrostis diffusa Buckley
                 Eragrostis purshii hort. ex Schrad.
                 Poa pectinacea Michx.
Image of Eragrostis pectinacea (Michx.) Nees var. pectinacea
            Eragrostis pilosa (L.) P.Beauv. var. pilosa * +
              Indian love grass
                 Eragrostis multicaulis Steud.
                 Eragrostis peregrina Wiegand
                 Poa pilosa L.
Image of Eragrostis pilosa (L.) P.Beauv. var. pilosa
            Eragrostis spectabilis (Pursh) Steud. * +
              purple love grass, tumble grass
                 Eragrostis spectabilis (Pursh) Steud. var. sparsihirsuta Farw.
                 Poa spectabilis Pursh
Image of Eragrostis spectabilis (Pursh) Steud.
            Eragrostis trichodes (Nutt.) A.W.Wood * +
              sand love grass, tall love grass
Image of Eragrostis trichodes (Nutt.) A.W.Wood
            Eriochloa villosa (Thunb.) Kunth * +
              Chinese cup grass, hairy cup grass, woolly cup grass
                 Paspalum villosum Thunb.
Image of Eriochloa villosa (Thunb.) Kunth
            Glyceria R.Br. *
              manna grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Glyceria borealis (Nash) Batch. * +
              northern manna grass
                 Panicularia borealis Nash
Image of Glyceria borealis (Nash) Batch.
            Glyceria canadensis (Michx.) Trin. * +
              rattlesnake grass, rattlesnake manna grass
                 Panicularia canadensis (Michx.) Kuntze
Image of Glyceria canadensis (Michx.) Trin.
            Glyceria grandis S.Watson * +
              American manna grass, reed manna grass
                 Glyceria grandis S.Watson f. pallescens Fernald
                 Glyceria grandis S.Watson var. grandis
                 Glyceria maxima (Hartm.) Holmb. subsp. grandis (S.Watson) Hultén
                 Glyceria maxima (Hartm.) Holmb. var. americana (Torr.) B.Boivin
                 Panicularia grandis (S.Watson) Nash
Image of Glyceria grandis S.Watson
            Glyceria X laxa (Scribn.) Scribn.
              [Excluded] manna grass
                 (PARENTS = Glyceria canadensis (Michx.) Trin. X G. grandis S. Watson or G. striata (Lam.) Hitchc.)
                 Glyceria canadensis (Michx.) Trin. var. laxa (Scribn.) Hitchc.
                 Glyceria X ottawensis Bowden
                 Panicularia laxa Scribn.
            Glyceria maxima (Hartm.) Holmb. * +
              English water grass, reed manna grass, tall manna grass
                 Glyceria spectabilis Mert. & W.D.J.Koch
                 Molinia maxima Hartm.
Image of Glyceria maxima (Hartm.) Holmb.
            Glyceria septentrionalis Hitchc. * +
              eastern manna grass, floating manna grass
                 Panicularia septentrionalis (Hitchc.) E.P.Bicknell
Image of Glyceria septentrionalis Hitchc.
            Glyceria striata (Lam.) Hitchc. * +
              fowl manna grass, fowl meadow grass
                 Glyceria nervata (Willd.) Trin.
                 Glyceria striata (Lam.) Hitchc. var. stricta (Scribn.) Fernald
                 Glyceria striata (Lam.) Hitchc. var. striata
                 Panicularia nervata (Willd.) Kuntze
                 Panicularia nervata (Willd.) Kuntze var. parviglumis Scribn. & Merr.
                 Poa nervata Willd.
Image of Glyceria striata (Lam.) Hitchc.
            Hesperostipa spartea (Trin.) Barkworth * +
              needle grass, porcupine grass
                 Stipa spartea Trin.
Image of Hesperostipa spartea (Trin.) Barkworth
            Holcus lanatus L. * +
              velvet grass
Image of Holcus lanatus L.
            Hordeum jubatum L. * +
              foxtail barley, squirrel-tail grass
                 Critesion jubatum (L.) Nevski
                 Hordeum caespitosum Scribn. ex Pammel
                 Hordeum jubatum L. subsp. jubatum
                 Hordeum jubatum L. var. caespitosum (Scribn. ex Pammel) Hitchc.
Image of Hordeum jubatum L.
            Koeleria macrantha (Ledeb.) Schult. * +
              June grass, prairie June grass
                 Koeleria cristata auct. pro parte, non Pers.
                 Koeleria cristata Pers. var. longifolia Vasey ex Burtt Davy
                 Koeleria cristata Pers. var. pinetorum Abrams
                 Koeleria gracilis Pers.
                 Koeleria nitida Nutt.
                 Koeleria pyramidata auct. pro parte, non (Lam.) P.Beauv.
                 Koeleria yukonensis Hultén
Image of Koeleria macrantha (Ledeb.) Schult.
            Leersia Sw. *
              cut grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Leersia lenticularis Michx. * +
              catchfly grass
                 Homalocenchrus lenticularis (Michx.) Kuntze
Image of Leersia lenticularis Michx.
            Leersia oryzoides (L.) Sw. * +
              rice cut grass
                 Homalocenchrus oryzoides (L.) Pollich
                 Leersia oryzoides (L.) Sw. f. glabra A.A.Eaton
                 Leersia oryzoides (L.) Sw. f. inclusa (Wiesb.) Dörfl.
                 Phalaris oryzoides L.
Image of Leersia oryzoides (L.) Sw.
            Leersia virginica Willd. * +
              white grass
                 Homalocenchrus virginicus (Willd.) Britton
                 Leersia virginica Willd. var. ovata (Poir.) Fernald
Image of Leersia virginica Willd.
            Leymus arenarius (L.) Hochst. * +
              lyme grass, sand rye grass
                 Elymus arenarius L.
Image of Leymus arenarius (L.) Hochst.
            Leymus mollis (Trin.) Hara subsp. mollis
              [Excluded] American dune grass
                 Elymus arenarius L. subsp. mollis (Trin.) Hultén
                 Elymus arenarius L. var. scabrinervis (Bowden) B.Boivin
                 Elymus arenarius L. var. villosus E.Mey.
                 Elymus capitatus Scribn.
                 Elymus mollis Trin.
                 Leymus arenarius (L.) Hochst. subsp. mollis (Trin.) Tzvelev
                 Leymus mollis (Trin.) Hara var. mollis
            Lolium L. *
              darnel, rye grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Lolium arundinaceum (Schreb.) Darbysh. * +
              reed fescue, rye grass, tall fescue
                 Festuca arundinacea Schreb.
                 Festuca elatior L. subsp. arundinacea (Schreb.) Hack.
                 Festuca elatior L. var. arundinacea (Schreb.) Wimm.
                 Schedonorus arundinaceus (Schreb.) Dumort.
Image of Lolium arundinaceum (Schreb.) Darbysh.
            Lolium perenne L. * +
              English rye grass, perennial rye grass
                 (for list of synonyms - see the subspecies)
Image of Lolium perenne L.
            Lolium perenne L. subsp. multiflorum (Lam.) Husn. * +
              Italian rye grass
                 Lolium multiflorum Lam.
                 Lolium multiflorum Lam. var. diminutum Mutel
                 Lolium multiflorum Lam. var. muticum DC.
                 Lolium multiflorum Lam. var. ramosum Guss. ex Arcang.
                 Lolium perenne L. var. multiflorum (Lam.) Parn.
Image of Lolium perenne L. subsp. multiflorum (Lam.) Husn.
            Lolium perenne L. subsp. perenne * +
              English rye grass, perennial rye grass
                 Lolium perenne L. var. aristatum Willd.
                 Lolium perenne L. var. cristatum Pers. ex B.D.Jacks.
                 Lolium perenne L. var. perenne
Image of Lolium perenne L. subsp. perenne
            Lolium pratense (Huds.) Darbysh. * +
              meadow fescue, meadow rye grass, rye grass
                 Festuca elatior L., pro parte
                 Festuca pratensis Huds.
                 Schedonorus pratensis (Huds.) P.Beauv.
Image of Lolium pratense (Huds.) Darbysh.
            Melica L. *
              melic grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Melica nitens (Scribn.) Nutt. ex Piper * +
              tall melic grass, three-flowered melic grass
Image of Melica nitens (Scribn.) Nutt. ex Piper
            Melica smithii (Porter ex A.Gray) Vasey * +
              Smith's melic grass
                 Avena smithii Porter ex A.Gray
                 Bromelica smithii (Porter ex A.Gray) Farw.
Image of Melica smithii (Porter ex A.Gray) Vasey
            Milium effusum L. * +
              American millet grass, wood millet
                 Milium effusum L. var. cisatlanticum Fernald
Image of Milium effusum L.
            Miscanthus sacchariflorus (Maxim.) Benth. * +
              Amur silver grass, Japanese plume grass
Image of Miscanthus sacchariflorus (Maxim.) Benth.
            Molinia caerulea (L.) Moench * +
              purple moor grass
Image of Molinia caerulea (L.) Moench
            Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi * +
              alkali muhly, scratch grass
                 Sporobolus asperifolius Nees & Meyen ex Trin.
Image of Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi
            Muhlenbergia cuspidata (Torr. ex Hook.) Rydb. * +
              plains muhly, prairie muhly, prairie satin grass
                 Muhlenbergia brevifolia (Nutt.) M.E.Jones
Image of Muhlenbergia cuspidata (Torr. ex Hook.) Rydb.
            Muhlenbergia frondosa (Poir.) Fernald * +
              common satin grass, wire-stem muhly
                 Agrostis frondosa Poir.
                 Muhlenbergia commutata (Scribn.) Bush
                 Muhlenbergia frondosa (Poir.) Fernald f. commutata (Scribn.) Fernald
                 Muhlenbergia frondosa (Poir.) Fernald f. frondosa
                 Muhlenbergia mexicana (L.) Trin. f. commutata (Scribn.) Wiegand
Image of Muhlenbergia frondosa (Poir.) Fernald
            Muhlenbergia mexicana (L.) Trin. * +
              leafy satin grass, Mexican muhly, wire-stem muhly
                 Agrostis mexicana L.
                 Muhlenbergia ambigua Torr.
                 Muhlenbergia foliosa (Roem. & Schult.) Trin.
                 Muhlenbergia foliosa (Roem. & Schult.) Trin. subsp. ambigua (Torr.) Scribn.
                 Muhlenbergia foliosa (Roem. & Schult.) Trin. subsp. setiglumis (S.Watson) Scribn.
                 Muhlenbergia mexicana (L.) Trin. f. ambigua (Torr.) Fernald
                 Muhlenbergia mexicana (L.) Trin. f. mexicana
                 Muhlenbergia mexicana (L.) Trin. f. setiglumis (S.Watson) Fernald
                 Muhlenbergia mexicana (L.) Trin. var. filiformis (Willd.) Scribn.
Image of Muhlenbergia mexicana (L.) Trin.
            Muhlenbergia sobolifera (Muhl. ex Willd.) Trin. * +
              creeping muhly, rock muhly, rock satin grass
                 Agrostis sobolifera Muhl. ex Willd.
                 Muhlenbergia sobolifera (Muhl. ex Willd.) Trin. var. setigera Scribn.
Image of Muhlenbergia sobolifera (Muhl. ex Willd.) Trin.
            Muhlenbergia sylvatica (Torr.) Torr. ex A.Gray * +
              forest muhly, woodland drop-seed, woodland satin grass
                 Agrostis sylvatica Torr., non Huds.
                 Muhlenbergia sylvatica (Torr.) Torr. ex A.Gray f. attenuata (Scribn.) E.J.Palmer & Steyerm.
                 Muhlenbergia sylvatica (Torr.) Torr. ex A.Gray var. sylvatica
                 Muhlenbergia umbrosa Scribn.
Image of Muhlenbergia sylvatica (Torr.) Torr. ex A.Gray
            Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb. * +
              slender muhly, slender satin grass, woodland drop-seed
                 Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb. var. tenuiflora
Image of Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb.
            Muhlenbergia uniflora (Muhl.) Fernald * +
              bog muhly, one-flowered satin grass
                 Muhlenbergia uniflora (Muhl.) Fernald var. terrae-novae Fernald
                 Sporobolus uniflorus (Muhl.) Scribn. & Merr.
Image of Muhlenbergia uniflora (Muhl.) Fernald
            Nassella viridula (Trin.) Barkworth * +
              green needle grass
                 Stipa viridula Trin.
Image of Nassella viridula (Trin.) Barkworth
            Oryzopsis asperifolia Michx. * +
              rough-leaved rice grass
Image of Oryzopsis asperifolia Michx.
            Panicum L. *
              panic grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Panicum capillare L. subsp. capillare * +
              common witch grass, old-witch grass, witch grass
                 Panicum barbipulvinatum Nash
                 Panicum capillare L. subsp. barbipulvinatum (Nash) Tzvelev
                 Panicum capillare L. var. barbipulvinatum (Nash) McGregor
                 Panicum capillare L. var. brevifolium Vasey ex Rydb. & Shear
                 Panicum capillare L. var. occidentale Rydb.
Image of Panicum capillare L. subsp. capillare
            Panicum dichotomiflorum Michx. subsp. dichotomiflorum * +
              fall panic grass, fall panicum, knee grass
                 Panicum dichotomiflorum Michx. var. dichotomiflorum
                 Panicum dichotomiflorum Michx. var. geniculatum (A.W.Wood) Fernald
                 Panicum dichotomiflorum Michx. var. imperiorum Fernald
Image of Panicum dichotomiflorum Michx. subsp. dichotomiflorum
            Panicum flexile (Gatt.) Scribn. * +
              wiry panic grass, wiry witch grass
                 Panicum capillare L. var. flexile Gatt.
Image of Panicum flexile (Gatt.) Scribn.
            Panicum virgatum L. * +
              switch grass
                 Panicum virgatum L. var. cubense Griseb.
                 Panicum virgatum L. var. obtusum A.W.Wood
                 Panicum virgatum L. var. virgatum
Image of Panicum virgatum L.
            Pascopyrum smithii (Rydb.) A.Löve * +
              thick-spike wheat grass
                 Agropyron molle (Scribn. & J.G.Sm.) Rydb.
                 Agropyron smithii Rydb.
                 Agropyron smithii Rydb. var. molle (Scribn. & J.G.Sm.) M.E.Jones
                 Agropyron smithii Rydb. var. palmeri (Scribn. & J.G.Sm.) A.Heller
                 Elymus smithii (Rydb.) Gould
                 Elytrigia smithii (Rydb.) Nevski
                 Elytrigia smithii (Rydb.) Nevski var. molle (Scribn. & J.G.Sm.) Beetle
Image of Pascopyrum smithii (Rydb.) A.Löve
            Paspalum L. *
              bead grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Paspalum setaceum Michx. * +
              hairy bead grass, thin paspalum
                 (for list of synonyms - see the varieties)
Image of Paspalum setaceum Michx.
            Paspalum setaceum Michx. var. muhlenbergii (Nash) D.J.Banks +
              hairy bead grass, hairy lens grass, hurrahgrass, Muhlenberg's hairy bead grass, thin paspalum
                 Paspalum ciliatifolium Michx. var. muhlenbergii (Nash) Fernald
                 Paspalum muhlenbergii Nash
                 Paspalum pubescens Muhl. ex Willd.
                 Paspalum setaceum Michx. var. calvescens Fernald
            Paspalum setaceum Michx. var. stramineum (Nash) D.J.Banks +
              downy lens grass, hairy bead grass, straw-colored hairy bead grass, yellow sand paspalum
                 Paspalum bushii Nash
                 Paspalum ciliatifolium Michx. var. stramineum (Nash) Fernald
                 Paspalum stramineum Nash
            Patis racemosa (Sm.) Romasch., P.M.Peterson & R.J.Soreng * +
              black-seeded rice grass
                 Milium racemosum Sm.
                 Oryzopsis racemosa (Sm.) Ricker ex Hitchc.
                 Piptatherum racemosum (Sm.) Barkworth
Image of Patis racemosa (Sm.) Romasch., P.M.Peterson & R.J.Soreng
            Phalaris L. *
              canary grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Phalaris arundinacea L. * +
              reed canary grass
                 Phalaroides arundinacea (L.) Raeusch.
                 Phalaris arundinacea L. f. variegata (Parn.) Druce
                 Phalaris arundinacea L. var. picta L.
                 Phalaroides arundinacea (L.) Raeusch. var. picta (L.) Tzvelev
Image of Phalaris arundinacea L.
            Phalaris canariensis L. * +
              common canary grass
Image of Phalaris canariensis L.
            Phragmites australis (Cav.) Trin. ex Steud. * +
              common reed, common reed grass
Image of Phragmites australis (Cav.) Trin. ex Steud.
            Phragmites australis (Cav.) Trin. ex Steud. subsp. americanus Saltonst., P.M.Peterson & Soreng +
              common reed, common reed grass
            Phragmites australis (Cav.) Trin. ex Steud. subsp. australis +
              common reed, common reed grass
                 Phragmites communis Trin.
                 Phragmites phragmites (L.) H.Karst.
            Piptatheropsis Romasch., P.M.Peterson & R.J.Soreng
              rice grass
            Piptatheropsis canadense (Poir.) Romasch., P.M.Peterson & R.J.Soreng * +
              Canada mountain rice grass, Canadian rice grass
                 Oryzopsis canadensis (Poir.) Torr.
                 Stipa canadensis Poir.
Image of Piptatheropsis canadense (Poir.) Romasch., P.M.Peterson & R.J.Soreng
            Piptatheropsis pungens (Poir.) Romasch., P.M.Peterson & R.J.Soreng * +
              mountain rice grass, short-horned rice grass
                 Milium pungens Torr. ex Spreng.
                 Oryzopsis pungens (Torr. ex Spreng.) Hitchc.
Image of Piptatheropsis pungens (Poir.) Romasch., P.M.Peterson & R.J.Soreng
            Poa L. *
              bluegrass (DISTRIBUTION MAP GALLERY of SPECIES)
            Poa alsodes A.Gray * +
              grove bluegrass, woodland bluegrass
Image of Poa alsodes A.Gray
            Poa annua L. * +
              annual bluegrass, speargrass
                 Poa annua L. var. aquatica Asch.
                 Poa annua L. var. reptans Hausskn.
Image of Poa annua L.
            Poa arida Vasey * +
              plains bluegrass
                 Poa glaucifolia Scribn. & T.A. Williams
                 Poa pseudopratensis Scribn. & Rydb.
Image of Poa arida Vasey
            Poa bulbosa L. * +
              bulbous bluegrass
Image of Poa bulbosa L.
            Poa compressa L. * +
              Canada bluegrass, wiregrass
Image of Poa compressa L.
            Poa glauca Vahl * +
              glaucous bluegrass
                 Poa glauca Vahl subsp. conferta (Blytt) Lindm.
                 Poa glauca Vahl subsp. glauca
                 Poa glauca Vahl var. conferta (Blytt) Nannf.
                 Poa glauca Vahl var. laxiuscula (Blytt) Lindm.
Image of Poa glauca Vahl
            Poa interior Rydb.
              [Excluded] inland bluegrass
                 Poa nemoralis L. subsp. interior (Rydb.) W.A.Weber
                 Poa nemoralis L. var. interior (Rydb.) Butters & Abbe
            Poa languida Hitchc. * +
              weak bluegrass
Image of Poa languida Hitchc.
            Poa nemoralis L. * +
              wood bluegrass
Image of Poa nemoralis L.
            Poa paludigena Fernald & Wiegand * +
              bog bluegrass, marsh bluegrass, Patterson's bluegrass
Image of Poa paludigena Fernald & Wiegand
            Poa palustris L. * +
              fowl meadow grass, marsh bluegrass
                 Poa crocata Michx.
                 Poa triflora Gilib.
Image of Poa palustris L.
            Poa pratensis L. * +
              Kentucky bluegrass
                 Poa agassizensis B.Boivin & D.Löve
                 Poa alpigena (Fr. ex Blytt) Lindm.
                 Poa alpigena (Fr. ex Blytt) Lindm. subsp. colpodea (Fr. ex Blytt) Tzvelev
                 Poa alpigena (Fr. ex Blytt) Lindm. var. colpodea (Fr. ex Blytt) Schol.
                 Poa angustifolia L.
                 Poa pratensis L. subsp. agassizensis (B.Boivin & D.Löve) Roy L.Taylor & MacBryde
                 Poa pratensis L. subsp. alpigena (Fr. ex Blytt) Hiitonen
                 Poa pratensis L. subsp. angustifolia (L.) Lej.
                 Poa pratensis L. subsp. colpodea (Fr. ex Blytt) Tzvelev
                 Poa pratensis L. var. angustifolia (L.) Gaudin
                 Poa pratensis L. var. alpigena Fr. ex Blytt
                 Poa pratensis L. var. colpodea (Fr. ex Blytt) Schol.
                 Poa pratensis L. var. domestica Laest.
                 Poa pratensis L. var. gelida (Roem. & Schult.) Böcher
                 Poa pratensis L. var. iantha Wahlenb.
                 Poa pratensis L. var. vivipara (Malmgren) B.Boivin
Image of Poa pratensis L.
            Poa saltuensis Fernald & Wiegand * +
              woodland bluegrass
                 Poa debilis Torr.
                 Poa saltuensis Fernald & Wiegand var. microlepis Fernald & Wiegand
Image of Poa saltuensis Fernald & Wiegand
            Poa sylvestris A.Gray * +
              forest bluegrass, woodland bluegrass
Image of Poa sylvestris A.Gray
            Poa trivialis L. * +
              rough bluegrass
Image of Poa trivialis L.
            Poa wolfii Scribn. * +
              Wolf's bluegrass
Image of Poa wolfii Scribn.
            Polypogon Desf. *
              beard grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Polypogon monspeliensis (L.) Desf. * +
              annual rabbit's-foot grass
                 Alopecurus monspeliensis L.
Image of Polypogon monspeliensis (L.) Desf.
            Puccinellia Parl. *
              alkali grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Puccinellia distans (Jacq.) Parl. * +
              European alkali grass, weeping alkali grass
                 (for list of synonyms - see the subspecies)
Image of Puccinellia distans (Jacq.) Parl.
            Puccinellia distans (Jacq.) Parl. subsp. borealis (Holmb.) W.E.Hughes +
              European alkali grass, weeping alkali grass
                 Phippsia nutkaensis (C.Presl) A.Löve & D.Löve subsp. borealis (Holmb.) A.Löve & D.Löve
                 Phippsia sibirica (Holmb.) A.Löve & D.Löve
                 Puccinellia coarctata Fernald & Weath.
                 Puccinellia coarctata Fernald & Weath. var. pseudofasciculata T.J.Sorensen
                 Puccinellia distans (Jacq.) Parl. var. angustifolia (Blytt) Holmb.
                 Puccinellia sibirica Holmb.
            Puccinellia distans (Jacq.) Parl. subsp. distans * +
              European alkali grass, weeping alkali grass
                 Poa distans Jacq.
                 Puccinellia distans (Jacq.) Parl. var. tenuis (Uechtr.) Fernald & Weath.
                 Puccinellia retroflexa (Curtis) Holmb.
                 Puccinellia suksdorfii H.St.John
Image of Puccinellia distans (Jacq.) Parl. subsp. distans
            Puccinellia nuttalliana (Schult.) Hitchc. * +
              Nuttall's alkali grass
                 Puccinellia airoides (Nutt.) S.Watson & J.M.Coult.
                 Puccinellia cusickii Weath.
Image of Puccinellia nuttalliana (Schult.) Hitchc.
            Schedonnardus paniculatus (Nutt.) Trel.
              [Excluded] tumble-grass
            Schizachne purpurascens (Torr.) Swallen * +
              false melic grass
                 Avena torreyi Nash
                 Melica purpurascens (Torr.) Hitchc.
                 Schizachne purpurascens (Torr.) Swallen var. pubescens Dore
                 Schizachne purpurascens (Torr.) Swallen var. purpurascens
                 Schizachne striata (Michx.) Hultén
                 Trisetum purpurascens Torr.
Image of Schizachne purpurascens (Torr.) Swallen
            Schizachyrium scoparium (Michx.) Nash * +
              broom beard grass, little blue-stem, prairie beard grass
                 (for list of synonyms - see the varieties)
Image of Schizachyrium scoparium (Michx.) Nash
            Schizachyrium scoparium (Michx.) Nash var. scoparium * +
              broom beard grass, broom blue-stem, little blue-stem
                 Andropogon neomexicanus Nash
                 Andropogon praematurus Fernald
                 Andropogon scoparius Michx.
                 Andropogon scoparius Michx. var. frequens F.T.Hubb.
                 Andropogon scoparius Michx. var. neomexicanus (Nash) Hitchc.
                 Andropogon scoparius Michx. var. polycladus Scribn. & Ball
                 Andropogon scoparius Michx. var. septentrionalis Fernald & Griscom
                 Andropogon scoparius Michx. var. villosissimus Kearney
                 Schizachyrium praematurum (Fernald) C.F.Reed
                 Schizachyrium scoparium (Michx.) Nash subsp. scoparium
                 Schizachyrium scoparium (Michx.) Nash var. frequens (F.T.Hubb.) Gould
                 Schizachyrium scoparium (Michx.) Nash var. neomexicanum (Nash) Gould
                 Schizachyrium scoparium (Michx.) Nash var. polycladum (Scribn. & Ball) C.F.Reed
Image of Schizachyrium scoparium (Michx.) Nash var. scoparium
            Sclerochloa dura (L.) P. Beauv. * +
              common hardgrass, fairgrounds grass
                 Cynosurus dura L.
Image of Sclerochloa dura (L.) P. Beauv.
            Setaria P.Beauv. *
              foxtail grass, bristle grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Setaria faberi R.A.W.Herrm. * +
              Chinese foxtail, giant foxtail, Japanese bristle grass, nodding foxtail
Image of Setaria faberi R.A.W.Herrm.
            Setaria italica (L.) P.Beauv. * +
              foxtail bristle grass, foxtail millet
                 Chaetochloa italica (L.) Scribn.
                 Panicum italicum L.
                 Setaria italica (L.) P.Beauv. var. metzeri (Körn.) Jáv.
                 Setaria italica (L.) P.Beauv. var. stramineofructa (F.T.Hubb.) L.H.Bailey
Image of Setaria italica (L.) P.Beauv.
            Setaria pumila (Poir.) Roem. & Schult. subsp. pumila * +
              pigeon grass, yellow foxtail
                 Panicum pumilum Poir.
                 Setaria glauca (L.) P.Beauv.
                 Setaria glauca auct. non (L.) P.Beauv., sensu Vickery
                 Setaria lutescens (Weigel) F.T.Hubb.
Image of Setaria pumila (Poir.) Roem. & Schult. subsp. pumila
            Setaria verticillata (L.) P.Beauv. * +
              bristly foxtail, hooked bristle grass
                 Chaetochloa verticillata (L.) Scribn.
                 Panicum verticillatum L.
                 Setaria carnei Hitchc.
                 Setaria decipiens Schimp. ex Nyman
                 Setaria verticillata (L.) P.Beauv. var. verticillata
Image of Setaria verticillata (L.) P.Beauv.
            Setaria verticilliformis Dumort. +
              barbed bristle grass
                 Panicum verticillatum L. var. ambiguum Guss.
                 Setaria gussonei Kerguélen
                 Setaria verticillata (L.) P.Beauv. var. ambigua (Guss.) Parl.
                 Setaria viridis (L.) P.Beauv. var. ambigua (Guss.) Coss. & Durieu
            Setaria viridis (L.) P.Beauv. * +
              green bristle grass, green foxtail
                 (for list of synonyms - see the varieties)
Image of Setaria viridis (L.) P.Beauv.
            Setaria viridis (L.) P.Beauv. var. major (Gaudin) Peterm. +
              giant green foxtail, green bristle grass, green foxtail
                 Panicum viride L. var. majus Gaudin
                 Setaria viridis (L.) P.Beauv. var. robustapurpurea Schreib.
            Setaria viridis (L.) P.Beauv. var. viridis * +
              green bristle grass, green foxtail
                 Chaetochloa viridis (L.) Scribn.
                 Panicum viride L.
                 Setaria viridis (L.) P.Beauv. var. breviseta (Döll) Hitchc.
                 Setaria viridis (L.) P.Beauv. var. robustaalba Schreib.
                 Setaria viridis (L.) P.Beauv. var. weinmannii (Roem. & Schult.) Borbás
Image of Setaria viridis (L.) P.Beauv. var. viridis
            Sorghastrum nutans (L.) Nash * +
              yellow Indian grass
                 Andropogon nutans L.
                 Sorghastrum avenaceum (Michx.) Nash
Image of Sorghastrum nutans (L.) Nash
            Sorghum X almum Parodi (pro sp.) * +
              almum sorghum, Columbus grass
                 (PARENTS = Sorghum bicolor (L.) Moench X S.halepense (L.) Pers.)
Image of Sorghum X almum Parodi (pro sp.)
            Sorghum halepense (L.) Pers. * +
              Johnson grass
Image of Sorghum halepense (L.) Pers.
            Spartina pectinata Link * +
              prairie cord grass, slough grass
                 Spartina michauxiana Hitchc.
                 Spartina pectinata Link var. suttiei (Farw.) Fernald
Image of Spartina pectinata Link
            Sphenopholis Scribn. *
              wedge grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Sphenopholis intermedia (Rydb.) Rydb. * +
              slender wedge grass
                 Eatonia intermedia Rydb.
                 Sphenopholis intermedia (Rydb.) Rydb. var. pilosa Dore
                 Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) Erdman
Image of Sphenopholis intermedia (Rydb.) Rydb.
            Sphenopholis obtusata (Michx.) Scribn. * +
              prairie wedge grass, prairie wedge scale
                 Aira obtusata Michx.
                 Sphenopholis obtusata (Michx.) Scribn. var. lobata (Trin.) Scribn.
                 Sphenopholis obtusata (Michx.) Scribn. var. obtusata
                 Sphenopholis obtusata (Michx.) Scribn. var. pubescens (Scribn. & Merr.) Scribn.
Image of Sphenopholis obtusata (Michx.) Scribn.
            Sporobolus R.Br. *
              drop-seed, rush grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Sporobolus clandestinus (Biehler) Hitchc. * +
              hidden drop-seed, rough drop-seed, rough rush grass
                 Sporobolus asper (Michx.) Kunth var. canovirens (Nash) Shinners
                 Sporobolus asper (Michx.) Kunth var. clandestinus (Biehler) Shinners
                 Sporobolus canovirens Nash
                 Sporobolus clandestinus (Biehler) Hitchc. var. canovirens (Nash) Steyerm. & Kucera
                 Sporobolus longifolius (Torr.) A.W.Wood
Image of Sporobolus clandestinus (Biehler) Hitchc.
            Sporobolus vaginiflorus (Torr. ex A.Gray) A.W.Wood var. vaginiflorus * +
              poverty grass, poverty drop-seed, sheathed drop-seed
                 Sporobolus vaginiflorus (Torr. ex A.Gray) A.W.Wood var. inaequalis Fernald
Image of Sporobolus vaginiflorus (Torr. ex A.Gray) A.W.Wood var. vaginiflorus
            Torreyochloa Church
              false manna grass
            Torreyochloa fernaldii (Hitchc.) Church * +
              Fernald's false manna grass
                 Glyceria fernaldii (Hitchc.) H.St.John
                 Glyceria pallida (Torr.) Trin. var. fernaldii Hitchc.
                 Puccinellia fernaldii (Hitchc.) E.G.Voss
                 Torreyochloa pallida (Torr.) Church var. fernaldii (Hitchc.) Dore ex Koyama & Kawano
Image of Torreyochloa fernaldii (Hitchc.) Church
            Torreyochloa pallida (Torr.) Church * +
              pale false manna grass
                 Glyceria pallida (Torr.) Trin.
                 Panicularia pallida (Torr.) Kuntze
                 Puccinellia pallida (Torr.) R.T.Clausen
                 Windsoria pallida Torr.
Image of Torreyochloa pallida (Torr.) Church
            Triplasis purpurea (Walter) Chapm. * +
              purple sand grass
                 Aira purpurea Walter
                 Triplasis intermedia Nash
Image of Triplasis purpurea (Walter) Chapm.
            Ventenata dubia (Leers) Coss. & Durieu * +
              soft-bearded oat grass, ventenata grass
                 Avena dubia Leers
                 Ventenata avenacea Koeler
Image of Ventenata dubia (Leers) Coss. & Durieu
      Family Pontederiaceae (click for list of genera only)  
            Heteranthera dubia (Jacq.) MacMill. * +
              water star-grass
                 Commelina dubia Jacq.
                 Heteranthera graminea (Michx.) Vahl
                 Heteranthera liebmannii (Buchenau) Shinners
                 Schollera graminea (Michx.) Raf.
                 Zosterella dubia (Jacq.) Small
                 Zosterella longituba Alexander
Image of Heteranthera dubia (Jacq.) MacMill.
      Family Potamogetonaceae (click for list of genera only)  
            Potamogeton gramineus L. * +
              grass-leaved pondweed, variable-leaved pondweed
                 Potamogeton gramineus L. var. graminifolius Fr.
                 Potamogeton gramineus L. var. maximus Morong ex A.Benn.
                 Potamogeton gramineus L. var. myriophyllus J.W.Robbins
                 Potamogeton gramineus L. var. typicus Ogden
                 Potamogeton heterophyllus auct. non Schreb.
Image of Potamogeton gramineus L.
            Potamogeton perfoliatus L. * +
              clasping-leaf pondweed, perfoliate pondweed, red-head-grass
                 Potamogeton bupleuroides Fernald
                 Potamogeton perfoliatus L. subsp. bupleuroides (Fernald) Hultén
                 Potamogeton perfoliatus L. var. bupleuroides (Fernald) Farw.
Image of Potamogeton perfoliatus L.
      Family Rubiaceae (click for list of genera only)  
            Galium aparine L. * +
              annual bedstraw, cleavers, goose-grass, sticky-willy
                 Galium agreste Wallr. var. echinospermum Wallr.
                 Galium aparine L. var. aparine
                 Galium aparine L. var. echinospermum (Wallr.) Farw.
                 Galium aparine L. var. intermedium (Merr.) Briq.
                 Galium aparine L. var. minor Hook.
                 Galium aparine L. var. vaillantii (DC.) Koch
                 Galium spurium L. var. echinospermum (Wallr.) Hayek
                 Galium spurium L. var. vaillantii (DC.) Gren. & Godr.
                 Galium spurium L. var. vaillantii (DC.) G.Beck
                 Galium vaillantii DC.
Image of Galium aparine L.
      Family Ruppiaceae (click for list of genera only)  
            Ruppia cirrhosa (Petagna) Grande * +
              spiral ditch-grass
                 Buccaferrea cirrhosa Petagna
                 Ruppia cirrhosa (Petagna) Grande subsp. occidentalis (S.Watson) A.Löve & D.Löve
                 Ruppia maritima L. var. occidentalis (S.Watson) Graebn.
                 Ruppia maritima L. var. spiralis Morris
                 Ruppia occidentalis S.Watson
Image of Ruppia cirrhosa (Petagna) Grande
      Family Saxifragaceae (click for list of genera only)  
            Parnassia L. *
              gog-stars, grass-of-Parnassus (DISTRIBUTION MAP GALLERY of SPECIES)
            Parnassia glauca Raf. * +
              American grass-of-Parnassus, fen grass-of-Parnassus
                 Parnassia americana Muhl.
                 Parnassia caroliniana Michx., misapplied
Image of Parnassia glauca Raf.
            Parnassia palustris L. var. tenuis Wahlenb. * +
              marsh grass-of-Parnassus, swamp grass-of-Parnassus
                 Parnassia multiseta (Ledeb.) Fernald
                 Parnassia palustris L. subsp. neogaea (Fernald) Hultén
                 Parnassia palustris L. var. neogaea Fernald
Image of Parnassia palustris L. var. tenuis Wahlenb.
            Parnassia parviflora DC. * +
              small-flowered grass-of-Parnassus
                 Parnassia palustris L. var. parviflora (DC.) B.Boivin
Image of Parnassia parviflora DC.
      Family Scheuchzeriaceae (click for list of genera only)  
            Scheuchzeria palustris L. * +
              arrow-grass, pod-grass
                 Scheuchzeria americana (Fernald) G.N.Jones
                 Scheuchzeria palustris L. subsp. americana (Fernald) Hultén
                 Scheuchzeria palustris L. var. americana Fernald
Image of Scheuchzeria palustris L.
      Family Xyridaceae (click for list of genera only)  
            Xyris L. *
              yellow-eyed-grass (DISTRIBUTION MAP GALLERY of SPECIES)
            Xyris difformis Chapm. var. difformis *
              [Excluded] bog yellow-eyed-grass, tall yellow-eyed-grass
Image of Xyris difformis Chapm. var. difformis
            Xyris montana Ries * +
              bog yellow-eyed-grass, northern yellow-eyed-grass
                 Xyris flexuosa Muhl. var. pusilla A.Gray
                 Xyris papillosa Fassett
                 Xyris papillosa Fassett var. exserta Fassett
Image of Xyris montana Ries
            Xyris torta Sm. * +
              slender yellow-eyed-grass
                 Xyris bulbosa Kunth
                 Xyris flexuosa sensu Chapm., not Muhl.
                 Xyris indica L., pro parte
                 Xyris torta Sm. var. macropoda Fernald
                 Xyris torta Sm. var. occidentalis Malme
Image of Xyris torta Sm.


         
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