| Family |
Taxon |
Common Name | Photographs |
| Aceraceae |
Acer saccharinum L. |
silver maple, soft maple |
|
| Alismataceae |
Alisma subcordatum Raf. |
American water-plantain, common water-plantain, southern water-plantain |
|
| Alismataceae |
Alisma triviale Pursh |
northern water-plantain |
|
| Alismataceae |
Sagittaria brevirostra Mack. & Bush |
midwestern arrow-head, short-beaked arrow-head |
|
| Alismataceae |
Sagittaria cuneata E.Sheld. |
arum-leaved arrow-head, northern arrow-head, wapato |
|
| Amaranthaceae |
Amaranthus tuberculatus (Moq.) J.D.Sauer |
rough-fruited amaranth, rough-fruited water-hemp, tall water-hemp |
|
| Anacardiaceae |
Rhus hirta (L.) Sudw. |
staghorn sumac, velvet sumac |
|
| Anacardiaceae |
Toxicodendron radicans (L.) Kuntze subsp. negundo (Greene) Gillis |
common eastern poison-ivy, poison-ivy |
|
| Asclepiadaceae |
Asclepias incarnata L. subsp. incarnata |
swamp milkweed |
|
| Asclepiadaceae |
Asclepias verticillata L. |
whorled milkweed |
|
| Asteraceae |
Ambrosia artemisiifolia L. |
annual bur-sage, common ragweed, short ragweed |
|
| Asteraceae |
Antennaria neglecta Greene |
cat's-foot, field pussy-toes |
|
| Asteraceae |
Antennaria parlinii Fernald |
Parlin's pussy-toes, plantain pussy-toes |
|
| Asteraceae |
Antennaria parlinii Fernald subsp. fallax (Greene) R.J.Bayer & Stebbins |
Parlin's pussy-toes, plantain pussy-toes |
|
| Asteraceae |
Artemisia ludoviciana Nutt. subsp. ludoviciana |
Louisiana sage-wort, western mugwort, white sage |
|
| Asteraceae |
Aster pilosus Willd. |
awl aster, frost aster, hairy aster, white old-field aster |
|
| Asteraceae |
Aster pilosus Willd. var. pilosus |
awl aster, frost aster, hairy aster, white old-field aster |
|
| Asteraceae |
Aster pilosus Willd. X A. sagittifolius Wedem. ex Willd. |
|
|
| Asteraceae |
Bidens comosa (A.Gray) Wiegand |
straw-stem beggar-ticks, swamp marigold, swamp tickseed |
|
| Asteraceae |
Eupatorium sessilifolium L. var. brittonianum Porter |
upland boneset, woodland boneset |
|
| Asteraceae |
Gnaphalium obtusifolium L. var. obtusifolium |
cat's-foot, fragrant cudweed, old-field-balsam, old-field cudweed, rabbit-tobacco |
|
| Asteraceae |
Gnaphalium uliginosum L. |
low cudweed, marsh cudweed |
|
| Asteraceae |
Silphium perfoliatum L. var. perfoliatum |
cup-plant |
|
| Asteraceae |
Sonchus asper (L.) Hill |
prickly sow-thistle, spiny sow-thistle |
|
| Betulaceae |
Alnus incana (L.) Moench subsp. rugosa (Du Roi) R.T.Clausen |
mountain alder, speckled alder, swamp alder |
|
| Betulaceae |
Betula alleghaniensis Britton |
yellow birch |
|
| Betulaceae |
Betula nigra L. |
black birch, red birch, river birch |
|
| Bignoniaceae |
Catalpa ovata G.Don |
Chinese catalpa |
|
| Boraginaceae |
Hackelia virginiana (L.) I.M.Johnst. |
beggar's-lice, stickseed, wild comfrey |
|
| Boraginaceae |
Lithospermum canescens (Michx.) Lehm. |
hoary puccoon |
|
| Brassicaceae |
Brassica nigra (L.) W.D.J.Koch |
black mustard |
|
| Brassicaceae |
Cardamine bulbosa (Schreb. ex Muhl.) Britton, Sterns & Poggenb. |
spring-cress |
|
| Brassicaceae |
Cardamine pensylvanica Muhl. ex Willd. |
Pennsylvania bitter-cress |
|
| Brassicaceae |
Lepidium virginicum L. var. virginicum |
common peppergrass, poor-man's-pepper, Virginia pepper-weed |
|
| Brassicaceae |
Nasturtium officinale R.Br. |
watercress |
|
| Brassicaceae |
Rorippa palustris (L.) Besser |
bog yellow-cress, common yellow-cress |
|
| Brassicaceae |
Rorippa palustris (L.) Besser subsp. fernaldiana (Butters & Abbe) Jonsell |
Fernald's yellow-cress, marsh-cress |
|
| Brassicaceae |
Sisymbrium officinale (L.) Scop. |
hedge-mustard |
|
| Caesalpiniaceae |
Gleditsia triacanthos L. |
honey locust |
|
| Cannabaceae |
Humulus lupulus L. |
common hop, hop |
|
| Cannabaceae |
Humulus lupulus L. var. lupuloides E.Small |
common hop, hop |
|
| Caryophyllaceae |
Dianthus armeria L. subsp. armeria |
Deptford pink |
|
| Caryophyllaceae |
Myosoton aquaticum (L.) Moench |
giant chickweed, water chickweed |
|
| Caryophyllaceae |
Saponaria officinalis L. |
bouncing-bet, soapwort |
|
| Celastraceae |
Euonymus atropurpurea Jacq. var. atropurpurea |
burning-bush, eastern wahoo |
|
| Ceratophyllaceae |
Ceratophyllum demersum L. |
coon's-tail, hornwort |
|
| Chenopodiaceae |
Chenopodium album L. |
common lamb's-quarters, lamb's-quarters, pigweed |
|
| Cistaceae |
Helianthemum bicknellii Fernald |
Bicknell's rock-rose, hoary frostweed, rock-rose |
|
| Cornaceae |
Cornus stolonifera Michx. |
red osier dogwood |
|
| Cupressaceae |
Juniperus communis L. var. depressa Pursh |
common juniper |
|