Robert W. Freckmann Herbarium

Category type: Fern

Identification Guide Questionaire Form for Fern
Dichotomous Keys for: Ferns and Fern allies; Winter Twig Identification for Some Woody Plants
Total records: 120 Click Column head to change sort. - Sort order: Taxa
Taxon Family Common Name Photograph
Adiantum pedatum L. Pteridaceae  maidenhair fern, northern maidenhair fern Photograph of Adiantum pedatum L.
Asplenium pinnatifidum Nutt. Aspleniaceae  lobed spleenwort Photograph of Asplenium pinnatifidum Nutt.
Asplenium platyneuron (L.) Britton, Sterns & Poggenb. Aspleniaceae  ebony spleenwort Photograph of Asplenium platyneuron (L.) Britton, Sterns & Poggenb.
Asplenium rhizophyllum L. Aspleniaceae  walking fern Photograph of Asplenium rhizophyllum L.
Asplenium trichomanes L. Aspleniaceae  maidenhair spleenwort Photograph of Asplenium trichomanes L.
Asplenium trichomanes L. subsp. quadrivalens D.E.Mey. Aspleniaceae  maidenhair spleenwort NO Photograph available
Asplenium trichomanes L. subsp. trichomanes Aspleniaceae  maidenhair spleenwort NO Photograph available
Asplenium trichomanes-ramosum L. Aspleniaceae  bright-green spleenwort, green spleenwort Photograph of Asplenium trichomanes-ramosum L.
Athyrium filix-femina (L.) Roth ex Mert. var. angustum (Willd.) G.Lawson Dryopteridaceae  common lady fern, lady fern, northeastern lady fern, northern lady fern Photograph of Athyrium filix-femina (L.) Roth ex Mert. var. angustum (Willd.) G.Lawson
Azolla caroliniana Willd. Azollaceae  Carolina mosquito-fern, eastern mosquito-fern Photograph of Azolla caroliniana Willd.
Azolla mexicana C.Presl Azollaceae  floating-fern, Mexican azolla, Mexican mosquito-fern Photograph of Azolla mexicana C.Presl
Botrychium campestre W.H.Wagner & Farrar Ophioglossaceae  Iowa moonwort, prairie dunewort, prairie moonwort Photograph of Botrychium campestre W.H.Wagner & Farrar
Botrychium dissectum Spreng. Ophioglossaceae  cut-leaved grape fern, dissected grape fern, lace-frond grape fern Photograph of Botrychium dissectum Spreng.
Botrychium lanceolatum (S.G.Gmel.) Ångstr. subsp. angustisegmentum (Pease & A.H.Moore) R.T.Clausen Ophioglossaceae  lance-leaved grape fern, narrow triangle moonwort, triangle grape fern, triangle moonwort Photograph of Botrychium lanceolatum (S.G.Gmel.) Ångstr. subsp. angustisegmentum (Pease & A.H.Moore) R.T.Clausen
Botrychium lunaria (L.) Sw. Ophioglossaceae  common moonwort, moonwort grape fern Photograph of Botrychium lunaria (L.) Sw.
Botrychium matricariifolium (Döll) A.Braun ex W.D.J.Koch Ophioglossaceae  daisy-leaf grape fern, daisy-leaf moonwort, matricary grape fern Photograph of Botrychium matricariifolium (Döll) A.Braun ex W.D.J.Koch
Botrychium minganense Vict. Ophioglossaceae  Mingan moonwort Photograph of Botrychium minganense Vict.
Botrychium mormo W.H.Wagner Ophioglossaceae  goblin fern, little goblin moonwort Photograph of Botrychium mormo W.H.Wagner
Botrychium multifidum (S.G.Gmel.) Rupr. Ophioglossaceae  leathery grape fern, leather-leaved grape fern Photograph of Botrychium multifidum (S.G.Gmel.) Rupr.
Botrychium oneidense (Gilbert) House Ophioglossaceae  blunt-lobed grape fern, Oneida grape fern Photograph of Botrychium oneidense (Gilbert) House
Botrychium pallidum W.H.Wagner Ophioglossaceae  pale botrychium Photograph of Botrychium pallidum W.H.Wagner
Botrychium rugulosum W.H.Wagner Ophioglossaceae  St. Lawrence grape fern, rugulose grape fern, ternate grape fern Photograph of Botrychium rugulosum W.H.Wagner
Botrychium simplex E.Hitchc. Ophioglossaceae  least moonwort, little grape fern, small grape fern Photograph of Botrychium simplex E.Hitchc.
Botrychium spathulatum W.H.Wagner Ophioglossaceae  spatulate moonwort, spoon-leaf moonwort Photograph of Botrychium spathulatum W.H.Wagner
Botrychium virginianum (L.) Sw. Ophioglossaceae  rattlesnake fern Photograph of Botrychium virginianum (L.) Sw.
Cheilanthes feei T.Moore Pteridaceae  slender lip fern Photograph of Cheilanthes feei T.Moore
Cheilanthes lanosa (Michx.) D.C.Eaton Pteridaceae  hairy lip fern, woolly lip fern Photograph of Cheilanthes lanosa (Michx.) D.C.Eaton
Cryptogramma stelleri (S.G.Gmel.) Prantl Pteridaceae  slender cliff brake, fragile rock brake, Steller's rock brake Photograph of Cryptogramma stelleri (S.G.Gmel.) Prantl
Cystopteris bulbifera (L.) Bernh. Dryopteridaceae  bladder fern, bulblet bladder fern, bulblet fragile fern Photograph of Cystopteris bulbifera (L.) Bernh.
Cystopteris fragilis (L.) Bernh. Dryopteridaceae  bladder fern, brittle bladder fern, northern fragile fern Photograph of Cystopteris fragilis (L.) Bernh.
Cystopteris laurentiana (Weath.) Blasdell Dryopteridaceae  Laurentian bladder fern, St. Lawrence bladder fern Photograph of Cystopteris laurentiana (Weath.) Blasdell
Cystopteris protrusa (Weath.) Blasdell Dryopteridaceae  creeping fragile fern, lowland bladder fern Photograph of Cystopteris protrusa (Weath.) Blasdell
Cystopteris tennesseensis Shaver Dryopteridaceae  Tennessee bladder fern Photograph of Cystopteris tennesseensis Shaver
Cystopteris tenuis (Michx.) Desv. Dryopteridaceae  MacKay's brittle fern, upland brittle bladder fern Photograph of Cystopteris tenuis (Michx.) Desv.
Cystopteris X illinoensis R.C.Moran Dryopteridaceae  Illinois bladder fern NO Photograph available
Dennstaedtia punctilobula (Michx.) T.Moore Dennstaedtiaceae  eastern hay-scented fern, hay-scented fern Photograph of Dennstaedtia punctilobula (Michx.) T.Moore
Deparia acrostichoides (Sw.) M.Kato Dryopteridaceae  silver false spleenwort, silvery glade fern, silvery spleenwort Photograph of Deparia acrostichoides (Sw.) M.Kato
Diphasiastrum complanatum (L.) Holub Lycopodiaceae  Christmas green, flat-branched club-moss, northern running-pine Photograph of Diphasiastrum complanatum (L.) Holub
Diphasiastrum complanatum (L.) Holub X D. digitatum (Dill. ex A.Braun) Holub Lycopodiaceae   NO Photograph available
Diphasiastrum digitatum (Dill. ex A.Braun) Holub Lycopodiaceae  crowfoot club-moss, southern ground-cedar, southern running-pine, trailing ground-pine Photograph of Diphasiastrum digitatum (Dill. ex A.Braun) Holub
Diphasiastrum tristachyum (Pursh) Holub Lycopodiaceae  blue ground-cedar, ground-cedar club-moss, northern ground-pine Photograph of Diphasiastrum tristachyum (Pursh) Holub
Diphasiastrum X habereri (House) Holub Lycopodiaceae  Haberer's ground-pine, Haberer's running-pine Photograph of Diphasiastrum X habereri (House) Holub
Diphasiastrum X zeilleri (Rouy) Holub Lycopodiaceae  Zeiller's ground-pine, Zeiller's running-pine NO Photograph available
Diplazium pycnocarpon (Spreng.) M.Broun Dryopteridaceae  glade fern, narrow-leaved glade fern, narrow-leaved spleenwort Photograph of Diplazium pycnocarpon (Spreng.) M.Broun
Dryopteris carthusiana (Vill.) H.P.Fuchs Dryopteridaceae  spinulose wood fern, toothed wood fern Photograph of Dryopteris carthusiana (Vill.) H.P.Fuchs
Dryopteris clintoniana (D.C.Eaton) Dowell Dryopteridaceae  Clinton's shield fern, Clinton's wood fern Photograph of Dryopteris clintoniana (D.C.Eaton) Dowell
Dryopteris cristata (L.) A.Gray Dryopteridaceae  crested shield fern, crested wood fern Photograph of Dryopteris cristata (L.) A.Gray
Dryopteris expansa (C.Presl) Fraser-Jenk. & Jermy Dryopteridaceae  northern wood fern, spreading wood fern Photograph of Dryopteris expansa (C.Presl) Fraser-Jenk. & Jermy
Dryopteris filix-mas (L.) Schott Dryopteridaceae  male fern Photograph of Dryopteris filix-mas (L.) Schott
Dryopteris fragrans (L.) Schott Dryopteridaceae  fragrant fern, fragrant wood fern Photograph of Dryopteris fragrans (L.) Schott
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