Flora of New York/Polypodiales

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Pre-polypod
ferns
Flora of New York — Polypodiales
Pinales
Table of
contents
Genus
index
Protected species index Invasive species index


Subclass Order Suborder Family Subfamily Genus Subgenus Common names #
Equisetidae Equisetales Equisetaceae Equisetum Equisetum horsetail 6
Hippochaete scouring rush 7
Ophioglossidae Ophioglossales Ophioglossaceae Botrychioideae Botrychium Botrychium moonwort,
grape fern
8
Osmundopteris rattlesnake fern 1
Sceptridium evergreen grapefern 4
Ophioglossoideae Ophioglossum adder's tongue 1
Polypodiidae

(lepto-
sporangiate
ferns)
Osmundales Osmundaceae Osmundastrum cinnamon fern 1
Osmunda Claytosmunda interrupted fern 1
Osmunda royal fern 1
Hymenophyllales Hymenophyllaceae Trichomanoideae Crepidomanes grotto felt,
weft fern
1
Schizaeales Lygodiaceae Lygodium climbing fern 1
Schizaeaceae Schizaea curlygrass fern 1
Salviniales Salviniaceae Azolla mosquitofern 1
Salvinia watermoss,
floatingfern
X
Marsileaceae Marsilea waterclover,
waterfern
1
Polypodiales Dennstaedtiineae Dennstaedtiaceae Dennstaedtia hay-scented fern 1
Pteridium brackenfern 2
Pteridineae Pteridaceae Cryptogrammoideae Cryptogramma rock brake 1
Pteridoideae Pteris brake fern X
Cheilanthoideae Pellaea cliff brake 2
Cheilanthes lip fern 1
Vittarioideae Adiantum maidenhair-fern 1
Vittaria ribbon fern 1
Aspleniineae Cystopteridaceae Cystopteris bladder fern 5
Gymnocarpium oak fern 2
Diplaziopsidaceae Homalosorus glade fern 1
Aspleniaceae Asplenium spleenwort 10
Thelypteridaceae Phegopteridoideae Phegopteris beech fern 2
Thelypteridoideae Thelypteris marsh fern,
New York fern
3
Woodsiaceae Woodsia cliff fern 5
Onocleaceae Onoclea sensitive fern 1
Matteuccia ostrich fern 1
Blechnaceae Woodwardioideae Anchistea Virginia chainfern 1
Lorinseria netted chainfern 1
Athyriaceae Deparia false spleenwort 1
Athyrium lady fern 3
Polypodiineae Dryopteridaceae Dryopteridoideae Cyrtomium netvein hollyfern X
Dryopteris woodfern 30
Polystichum hollyfern 5
Polypodiaceae Polypodioideae Polypodium polypody,
rockcap fern
3
Pleopeltis resurrection fern X

Suborder Pteridineae[edit | edit source]

Family Pteridaceae[edit | edit source]

The Pteridaceae E.D.M.Kirchn. (1831), (brakefern family)...

Subfamily Cryptogrammoideae[edit | edit source]

Cryptogramma[edit | edit source]
Cryptogramma stelleri
slender cliffbrake, Steller’s cliffbrake

Polypodiales — Pteridaceae — Cryptogrammoideae — Cryptogramma
Cryptogramma Rock-brake N.Y. Status Images Distribution NY NPT
(S.G.Gmel.) Prantl

1768. Pteris stelleri S.G.Gmel.
1882. Cryptogramma stelleri Prantl
Fragile rockbrake,
Slender cliff brake,
Slender rock-brake,
Steller's rock brake
Cryptogramme de steller
Native, CoC: 9,
Vulnerable,
DEC-D[1]

FACU

Perennial,
Herb-fern,
2n=60
Cryptogramma stelleri 5536189z.jpg
Cryptogramma stelleri NY-dist-map.png
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Subfamily Pteridoideae[edit | edit source]

Pteris[edit | edit source]
Pteris multifida
spider brake
Pteris multifida, the spider brake was listed as present in New York by the 1955 American Fern Journal, which cited Willard Nelson Clute:
New York: It is fond of growing on old walls as far north as New York City — Clute (1938, p. 102).[1]

USDA-NRCS Plants Database lists the 1958 American Fern Journal as the source for the plant being listed in New York, but it doesn't appear to be listed in that volume.[2] Pteris multifida is now been listed as "excluded" in the New York Flora Atlas.


Polypodiales — Pteridaceae — Pteridoideae — Pteris
Pteris (excluded taxa) Brake-fern N.Y. Status Images Distribution NY NPT
 Poir.

1804. Pteris multifida Poir.
1938. Pycnodoria multifida (Poir.) Small
 auct.. Pteris serrulatanon L.f.
Spider brake,
Spider fern,
Chinese brake,
Huguenot fern,
Saw-leaved bracken
Introduced from
 temperate Asia,
 tropical Asia,
N.Y. excluded
Pteris multifida kz2.jpg
Excluded nymap.svg
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Subfamily Cheilanthoideae[edit | edit source]

Subfamily Cheilanthoideae.
Pellaea[edit | edit source]
Pellaea atropurpurea
Cliff-brake ferns
Polypodiales — Pteridaceae — Cheilanthoideae — Pellaea
Pellaea Cliff-brake N.Y. Status Images Distribution NY NPT
 (L.) Link

Pteris atropurpurea
Purple cliffbrake,
Purple-stemmed cliff-brake
Native,
Vulnerable,
DEC-D[1]
Pellaea atropurpurea InsectImages 5536198 (cropped).jpg
Pellaea atropurpurea NY-dist-map.png
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 Mett. ex Kuhn
ssp. glabella

1858. Pellaea rigida var. rigida
1869. Pellaea glabella var. glabella
    Pellaea glabella var. bushii
    Pellaea glabella ssp. glabella
1902. Pellaea atropurpurea var. bushii
1938. Pellaea atropurpurea fo. glabella
Smooth cliff-brake
Slender cliff-brake
Dwarf cliffbrake
Simple cliffbrake

Pelléade glabre
Pelléade glabre typique
Pelléade glabre variété glabre
Native,
Threatened,
DEC-B[2]
Pellaea glabella fronds (cropped).jpg
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Myriopteris[edit | edit source]
Myriopteris lanosa
Hairy lip-fern or woolly lip fern (Myriopteris lanosa) can no longer be found in any of its known sites but it's possible that it's present somewhere in the state.
Polypodiales — Pteridaceae — Cheilanthoideae — Myriopteris
Myriopteris Lip-fern N.Y. Status Images Distribution NY NPT
(Michx.) Grusz & Windham

1803. Nephrodium lanosum Michx.
1804. Adiantum vestitum Spreng.
1806. Cheilanthes vestita Sw.
1859. Cheilanthes lanosa (Michx.) D.C.Eaton
2013. M. lanosa (Michx.) Grusz & Windham
Hairy lipfern,
Wooly lip-fern
Native, CoC: 10,
Endangered,
DEC-A[1],
S1, G5
Cheilanthes lanosa 1 (cropped).jpg
Cheilanthes lanosa.svg
Bronx, Dutchess, New York, Orange, Rockland, Ulster, Westchester
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Subfamily Vittarioideae[edit | edit source]

The Vittarioideae subfamily contains the former families Adiantaceae (maidenhair ferns) and Vittariaceae (shoestring ferns).
Adiantum[edit | edit source]
Adiantum pedatum
maidenhair fern

Polypodiales — Pteridaceae — Vittarioideae — Adiantum
Adiantum Maidenhair-fern N.Y. Status Images Distribution NY NPT
 L.

1753. Adiantum pedatum L.
Maidenhair fern,
Northern maidenhair-fern,
Northern maidenhair,
Five-finger fern
Adiante du Canada
Native,
Likely secure,
DEC-D[1]
USFWS adiantum pedatum (23806468676).jpg
Adiantum pedatum nymap.svg
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L.

1753. Adiantum capillus-veneris
Venus’s hair fern
Common maidenhair
Southern maidenhair

Introduced from
 southern US,
N. America native,
Not naturalized
Common maidenhair (Adiantum capillus-veneris).jpg
Nymap.svg
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Vittaria[edit | edit source]
Vittaria appalachiana
Appalachian shoestring fern
The genus Vittaria is represented in New York by the endangered Appalachian shoestring fern, which has been found in only a few counties and only in its gametophyte stage.[1]
  1. New York Flora Atlas: Vittaria appalachiana appears only as "minute moss-like gametophytes" in New York.
Polypodiales — Pteridaceae — Vittarioideae — Vittaria
Vittaria Shoestring-fern N.Y. Status Images Distribution NY NPT
Farrar & Mickel (1991)

Appalachian shoestring fern,
Appalachian vittaria,
Appalachian gametophyte fern
Native,
Endangered,
DEC-A[1]
Vittaria appalachiana tuft (cropped).JPG
Vittaria appalachiana nymap.svg
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Suborder Dennstaedtiineae[edit | edit source]

Family Dennstaedtiaceae[edit | edit source]

The Dennstaedtiaceae Lotsy (1909), (bracken-fern family)

Although they are native to the Northeast, the hay-scented fern (Dennstaedtia punctilobula), and brackenfern (Pteridium aquilinum) are considered to be "interfering" plants in New York forests. These ferns produce dense stands that prevent the establishment of tree seedlings. While this has been found to be beneficial in limited situations, such as under power-lines and on ski-area trails, these ferns are generally seen as detrimental to forest regeneration.[1]


Dennstaedtia[edit | edit source]
Dennstaedtia punctilobula
hay-scented fern
Hay-scented fern (Dennstaedtia punctilobula) is often considered to be an interfering species in New York forest understories, where large deer populations over-browse other native plants but avoid this fern, which prevents tree regeneration.
Polypodiales — Dennstaedtiaceae — Dennstaedtia
Dennstaedtia Hay-scented fern N.Y. Status Images Distribution NY NPT
(Michx.) T.Moore

1803. Nephrodium punctilobulum Michx.
1810. Aspidium punctilobum Willd.
1827. Sitobolium punctilobum Desv.
1848. Dicksonia punctilobula A.Gray
1857. Dennstaedtia punctilobula T.Moore
Hay-scented fern,
Eastern hay-scented fern,
Hay-scent fern,
Boulder fern
Dennstaedtie à
  lobules ponctués
Native, CoC: 4,
Secure,
Interfering

FACU-UPL

Perennial,
Herb-fern
Dennstaedtia punctilobula (28510714722).jpg
Dennstaedtia punctilobula nymap.svg
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Pteridium[edit | edit source]
Pteridium aquilinum
eastern bracken fern

Polypodiales — Dennstaedtiaceae — Pteridium
Pteridium Brackenfern N.Y. Status Images Distribution NY NPT
 (L.) Kuhn
var. latiusculum (Desv.) Underw. ex A. Heller

1827. Pteris latiuscula Desv.
1909. Pteridium aquilinum var. latiusculum
1914. Pteridium latiusculum (Desv.) Hieron.
1941. Pteridium aquilinum ssp. latiusculum
Eastern brackenfern,
Eastern bracken,
Brackenfern
Fougère-aigle de l'Est
Native, CoC: 3,
Secure,
Interfering

FACU

Perennial,
Fern
Bracken - Pteridium aquilinum (35603277674).jpg
Pteridium aquilinum var latiusculum nymap.svg
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 (L.) Kuhn
var. pseudocaudatum (Clute) A. Heller

1900. Pteris aquilina var. pseudocaudata Clute
1900. Pterid. aquilinum var. pseudocaudatum
1919. Pterid. latiusculum var. pseudocaudatum
1941. Pterid. aquilinum ssp. pseudocaudatum
Southeastern Bracken,
Tailed bracken,
Brackenfern,
Western brackenfern
Native, CoC: 3,
Endangered,
DEC-A[1]

FACU

Perennial,
Fern
Pteridium aquilinum (front).jpg
Pteridium aquilinum var pseudocaudatum nymap.svg
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Pteridium(excluded) Brackenfern N.Y. Status Images Distribution NY NPT
(L.) Kuhn
ssp. aquilinum

1753. Pteris aquilina L.
1799. Asplenium aquilinum (L.) Bernh.
1879. Pteridium aquilinum (L.) Kuhn
1941. Pteridium aquilinum ssp. typicum
Western brackenfern Native,
N.Y. excluded
Flickr - João de Deus Medeiros - Pteridium aquilinum var. arachnoideum (1).jpg
Nymap.svg
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Suborder Aspleniineae[edit | edit source]

The classification used here follows PPG I (2016),[1] which places all of eupolypods II in suborder Aspleniineae.
Aspleniineae
Cystopteridaceae

Cystopteris (4 bladderferns)

Gymnocarpium dryopteris (northern oak fern)

DiplaziopsidaceaeHomalosorus pycnocarpos (narrow-leaved glade fern)

AspleniaceaeAsplenium (11 spleenworts)

Thelypteridaceae

PhegopteridoideaePhegopteris (2 beech ferns)

ThelypteridoideaeThelypteris (3 marsh ferns)

WoodsiaceaeWoodsia (5 cliff ferns)

Athyriaceae

Athyrium (2 lady ferns)

Deparia acrostichoides (silvery spleenwort)

Onocleaceae

Onoclea sensibilis (sensitive fern)

Matteuccia struthiopteris (ostrich fern)

Blechnaceae : Woodwardioideae

Anchistea virginica (Virginia chainfern)

Lorinseria areolata (netted chainfern)


Family Cystopteridaceae[edit | edit source]

The Cystopteridaceae Ching & Z.R.Wang (1997) (bladder-ferns)...

Cystopteris[edit | edit source]

Cystopteris bulbifera
bulblet fern

Polypodiales — Cystopteridaceae — Cystopteris
Cystopteris Bladder-fern N.Y. Status Images Distribution NY NPT
 (L.) Bernh.

1753. Polypodium bulbiferum L.
1806. Cystopteris bulbifera (L.) Bernh.
1900. Filix bulbifera (L.) Underw.
Bulblet fern,
Bulblet bladder-fern,
Bulblet fragile-fern,
Berry fern
Cystoptère bulbifère,
Cystoptèride bulbifère
Native, CoC: 8,
Secure,
DEC-D[1]

Perennial,
Herb-fern
Cystopteris bulbifera.jpg
Cystopteris bulbifera NY-dist-map.png
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 (L.) Bernh.

1753. Polypodium fragile L.
1806. Cystopteris fragilis (L.) Bernh.
1848. Cystopteris dickieana  R.Sim
1900. Filix fragilis (L.) Underw.
Brittle bladder-fern,
Fragile fern
Native, CoC: 7,
Likely secure,
DEC-D[1]

Perennial,
Herb-fern
Cystopteris fragilis HPIM6707 Haurasloikko - C.jpg
Cystopteris fragilis NY-dist-map.png
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 (Michx.) Desv.

Cystopteris protrusa ×
"Cystopteris hemifragilis"†

1803. Nephrodium tenue Michx.
1827. Cystopteris tenuis (Michx.) Desv.
1889. C. fragilis var. mackayi G.Lawson
Mackay's bladder-fern,
Mackay's fragile fern,
Upland brittle bladder-fern
Cystoptère ténue
Native, CoC: 7,
Likely secure,
DEC-D[1]

Perennial,
Herb-fern
Cystopteris tenuis - Massachusettts (cropped).jpg
Cystopteris tenuis NY-dist-map.png
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 (Weath.) Blasdell

1935. C. fragilis var. protrusa Weath.
1963. Cystopteris protrusa Blasdell
Lowland bladder-fern,
Lowland brittle fern,
Lowland fragile fern,
Southern bladder-fern
Native, CoC: 10,
Endangered,
DEC-A[2]

Perennial,
Herb-fern
Lowland brittle fern (24707190939).jpg
Cystopteris protrusa nymap.svg
Broome, Erie, Richmond, Suffolk, Tompkins
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Cystopteris (excluded taxa) Bladder-fern N.Y. Status Images Distribution NY NPT
Cystopteris bulbifera × fragilis

Cystopteris bulbifera ×
Cystopteris fragilis

Hybrid of
 bulblet bladder-fern &
 fragile fern
Native,
N.Y. excluded

Perennial,
Herb-fern
Ny hybrid.svg
Excluded nymap.svg
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Gymnocarpium[edit | edit source]

Polypodiales — Cystopteridaceae — Gymnocarpium
Gymnocarpium Oak-fern N.Y. Status Images Distribution NY NPT
(L.) Newman

1753. Polypodium dryopteris L.
1851. G. dryopteris (L.) Newman
1852. Phegopteris dryopteris (L.) Fée
1905. Dryopteris linnaeana C. Chr.
1909. Dryopteris dryopteris (L.) Christ
1917. Thelypteris dryopteris (L.) Sloss.
1966. Carpogymnia dryopteris Á.& D.Löve
Northern oak fern,
Common oak fern,
Western oak fern
Gymnocarpe
 fougère-du-chêne
Native, CoC: 8,
Likely secure,
DEC-D[1]
Gymnocarpium dryopteris 6028 4x3.jpg
Gymnocarpium dryopteris nymap.svg
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(Sarvela) Pryer & Haufler

Gymnocarpium disjunctum ×
Gymnocarpium dryopteris

1980. G. dryopteris nssp. brittonianum
1993. G. × brittonianum Pryer & Haufler
Britton's fern,
Britton's oak-fern
Gymnocarpe de Britton
Native,
Unranked
Ny hybrid.svg
Nymap.svg
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Gymnocarpium (excluded) Oak-fern N.Y. Status Images Distribution NY NPT
(Rupr.) Ching

1845. Polypodium dryopteris var. disjunctum
1965. G. disjunctum (Rupr.) Ching
    
Pacific oakfern,
Western oak fern
Gymnocarpe disjoint,
Dryoptère disjointe,
Dryoptèride du chêne
N. America native,
N.Y. excluded
Gymnocarpium disjunctum NEU-0927.jpg
Nymap.svg
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(Hoffm.) Newman

1795. Polypodium robertianum Hoffm.
1850. Phegopteris robertianum (Hoffm.) Fée
1851. G. robertianum (Hoffm.) Newman
1905. Dryopteris robertiana (Hoffm.) C.Chr.
1917. Thelypteris robertiana
(Hoffm.) Sloss. ex Rydb.
1962. G. dryopteris var. pumilum
Scented oakfern,
Limestone fern,
Robert's oak fern,
Northern oak fern
Gymnocarpe de Robert
N. America native,
N.Y. excluded
Gymnocarpium robertianum, Ireland.jpg
Nymap.svg
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Family Diplaziopsidaceae[edit | edit source]

The glade fern family includes the genera Diplaziopsis C. Chr. (2–4 spp.) and Homalosorus Pic. Serm. (1 sp.)

Homalosorus[edit | edit source]

Homalosorus pycnocarpos
narrow-leaved glade fern

Polypodiales — Aspleniaceae — Athyrioideae — Homalosorus
HomalosorusSw. Twin-sorus fern N.Y. Status Images Distribution NY NPT
Serm.

1803. Asplenium angustifolium Michx.
nom. illeg., hom. non Jacq. 1786
1804. Asplenium pycnocarpon Spreng.
1906. Athyrium pycnocarpon Tidestr.
1938. Diplazium pycnocarpon M.Broun
1977. Homalosorus pycnocarpos Serm.
Glade fern,
Narrow-leaved glade fern,
Narrow-leaved-spleenwort
Athyrie à sores denses,
Diplazie à sores denses
Native, CoC: 9,
Likely secure,
DEC-D[1]

FAC

Perennial,
Fern
Diplazium pycnocarpon 1924.jpg
Diplazium pycnocarpon nymap.svg
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Family Aspleniaceae[edit | edit source]

The Aspleniaceae Link (1841) (spleenworts)...

Asplenium[edit | edit source]

Asplenium platyneuron
ebony spleenwort
Spleenworts (Asplenium) have the largest number of species (over 700 worldwide) of any fern genus. However, only about 10 Asplenium species occur in New York State. Here Asplenium is divided into clades acording to Xu et al. (2020).[1]
Asplenium
II.

Asplenium scolopendrium (hart's-tongue fern)

V.

Asplenium platyneuron (ebony spleenwort)

Asplenium rhizophyllum (walking fern)

VI.

Asplenium trichomanes (maidenhair spleenwort)

Asplenium viride (green spleenwort)

XI.

Asplenium ruta-muraria (wall rue)

Asplenium montanum (mountain spleenwort)

Asplenium bradleyi (Bradley’s spleenwort)


Asplenium II. Phyllitis clade[edit | edit source]
Asplenium scolopendrium
The Phyllitis clade contains the Asplenium species previously assigned to genus Phyllitis, as well as species previously in genera Ceterach and Ceterachopsis. The sole New York species in this clade, Asplenium scolopendrium, was named as such by Linnaeus in 1753 but was segregated into Phyllitis by Newman in 1844.
Polypodiales — Aspleniaceae — Asplenium
Asplenium Spleenwort N.Y. Status Images Distribution NY NPT
 L.
var. americanum
(Fernald) Kartesz & Gandhi

1793. Scolopendrium vulgare Small
1935. Phyllitis scolopendrium
var. americana Fernald
1954. Phyllitis fernaldiana Á. Löve
1973. Phyllitis japonica ssp. americana
1991. A. scolopendrium var. americanum
American
 hart's-tongue fern,
Hart's-tongue fern,
Hart's tonguefern
Native, CoC: 9,
Threatened,
DEC-B[1]
Asplenium scolopendrium americanum CR1957.jpg
Asplenium scolopendrium var americanum nymap.svg
Genesee, Madison, Onondaga
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Asplenium (excluded taxa) Spleenwort N.Y. Status Images Distribution NY NPT
 L.
var. scolopendrium

1753. Asplenium scolopendrium L.
1844. Phyllitis scolopendrium (L.) Newman
1881. Scolopendrium
   scolopendrium
 H.Karst.
Hart's-tongue fern Introduced from
 Eurasia,
 northern Africa,
N.Y. excluded,
Cultivated
Asplenium scolopendrium RHu 01.JPG
Excluded nymap.svg
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Asplenium V. Schaffneria clade[edit | edit source]
Polypodiales — Aspleniaceae — Asplenium
Asplenium Spleenwort N.Y. Status Images Distribution NY NPT
var. platyneuron

1753. Acrostichum platyneuros L.
1789. Asplenium ebeneum Aiton
1878. Asplenium platyneuron
Oakes ex D.C. Eaton
1888. Asplenium platyneuron
(L.) Britton, Sterns & Poggenb.
1931. Chamaefilix platyneuros (L.) Farw.
Ebony spleenwort Native, CoC: 5,
Secure,
DEC-D[1]
Asplenium platyneuron (31791138460).jpg
Asplenium platyneuron var platyneuron NY-dist-map.png
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 L.

1753. Asplenium rhizophyllum L.
1833. Camptosorus rhizophyllus (L.) Link
Walking fern,
Walking-fern spleenwort,
American walking fern
Doradille ambulante,
Camptosore à
 feuilles radicantes
Native, CoC: 10,
Likely secure,
DEC-D[1]
Asplenium rhizophyllum 1902 (cropped).jpg
Asplenium rhizophyllum NY-dist-map.png
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 R.R.Scott

Asplenium rhizophyllum ×
Asplenium platyneuron

1865. Asplenium ebenoides R.R.Scott
1937. × Asplenosorus ebenoides Wherry
Scott's spleenwort,
Dragon tail fern,
Walking spleenwort
Native,
No recent reports
BB-0058 Asplenium ebenoides.png
Asplenium × ebenoides nymap.svg
Dutchess, Saratoga, Ulster, Washington
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Asplenium VI. A. trichomanes clade[edit | edit source]
Polypodiales — Aspleniaceae — Asplenium
Asplenium Spleenwort N.Y. Status Images Distribution NY NPT
 L.
ssp. trichomanes

Maidenhair spleenwort
(diploid)
Native, CoC: 9,
Likely secure,
DEC-D[1]
Asplenium trichomanes IMG 7821 Langaara Asker Norway.JPG
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 L.
ssp. quadrivalens D.E.Mey.

1888. A. melanolepis Colenso
1962. A. trichomanes ssp. quadrivalens
2010. A. quadrivalens (D.E. Mey.) Landolt
Maidenhair spleenwort
(tetraploid)
Native, CoC: 9,
Likely secure,
S4?, G5,
DEC-D[1]
Asplenium trichomanes subsp. quadrivalens sl23.jpg
Nymap.svg
Onondaga (1924)
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 L.
nssp. lusaticum (D.E.Mey.) Lawalrèe

A. t. ssp. trichomanes ×
A. t. ssp. quadrivalens

1958. Asplenium × lusaticum D.E.Mey.
1978. A. trichomanes nssp lusaticum
Hybrid
 Maidenhair spleenwort
Native,
Unranked,
No NY reports
Asplenium trichomanes muret Canejan.jpg
Nymap.svg

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 Huds.

1753. Asplenium ramosum L.
1753. A. trichomanes-ramosum L.
1762. Asplenium viride Huds.
Green spleenwort,
Bright-green spleenwort
Native, CoC: 10,
Endangered,
DEC-A[2]
Asplenium viride Twannbachschlucht 3.jpg
Asplenium viride nymap.svg
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Asplenium XI. Pleurosorus clade[edit | edit source]
Polypodiales — Aspleniaceae — Asplenium
Asplenium Spleenwort N.Y. Status Images Distribution NY NPT
 L.

1753. Asplenium ruta muraria L.
1928. Asplenium cryptolepis Fernald
1928. A. cryptolepis var. ohionis Fernald
1935. A. ruta-muraria var. cryptolepis
C. Chr. ex Massey
1939. A. ruta-muraria ssp. cryptolepis
R.T. Clausen & Wahl
Wallrue,
Wall-rue spleenwort
Doradille des murailles,
Mauerraute
Native, CoC: 10,
Likely secure,
DEC-D[1]
Asplenium ruta-muraria 88299662.jpg
Asplenium ruta-muraria nymap.svg
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Mountain spleenwort Native, CoC: 10,
Threatened,
DEC-B[2]
BB-0066 Asplenium montanum.png
Asplenium montanum nymap.svg
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 D.C.Eaton

Asplenium montanum ×
Asplenium platyneuron

1873. Asplenium bradleyi D.C.Eaton
1925. Asplenium stotleri Wherry
1931. Chamaefilix bradleyi Farw.
Bradley's spleenwort Native, CoC: 10,
No recent reports,
Endangered,
DEC-A[3]
BB-0068 Asplenium bradleyi.png
Asplenium bradleyi nymap.svg
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 Syme

Asplenium ruta-muraria ×
Asplenium trichomanes

1886. Asplenium clermontae Syme
Hybrid
 Wallrue &
 Maidenhair spleenwort
Native,
Unranked,
No NY reports
Asplenium ×‌ clermontae nymap.svg
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Family Thelypteridaceae[edit | edit source]

Family Thelypteridaceae Ching ex Pic.Serm. (1970)

Subfamily Phegopteridoideae[edit | edit source]

The Phegopteridoideae Salino, A.R.Sm. & T.E.Almeida (2016)

Phegopteris[edit | edit source]
Phegopteris connectilis
Two species of Beech ferns (Phegopteris) are found in New York.
Polypodiales — Thelypteridaceae — Phegopteridoideae — Phegopteris
Phegopteris Beech-fern N.Y. Status Images Distribution NY NPT
(Michx.) Watt

1753. Polypodium phegopteris L.
1803. Polypodium connectile Michx.
1826. Lastrea phegopteris (L.) Bory
1852. Phegopteris polypodioides Fée
1866. Phegopteris connectilis
(Michx.) Watt
1905. Dryopteris phegopteris (L.) C.Chr.
1917. Thelypteris phegopteris (L.) Sloss.
Long beech fern,
Northern beech fern,
Narrow beech fern
Phégoptère à
    segments joint,
Fougère du hêtre
Native, CoC: 7,
Secure,
DEC-D[1]

FACU

Perennial,
Fern
Phegopteris connectilis leaves.jpg
Phegopteris connectilis NY-dist-map.png
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(Michx.) Fée

1803. Polypodium hexagonopterum
Michx.
1852. Phegopteris hexagonoptera
(Michx.) Fée
1905. Dryopteris hexagonoptera
(Michx.) C.Chr.
1919. Thelypteris hexagonoptera
(Michx.) Weath.
Broad beech fern,
Broad beechfern,
Southern beech fern
Phégoptère à hexagones,
Phégoptéride à hexagones,
Thélyptère à hexagones
Native,
Likely secure,
DEC-D[1]
Phegopteris hexagonoptera williamsburg1.JPG
Phegopteris hexagonoptera NY-dist-map.png
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Subfamily Thelypteridoideae[edit | edit source]

Thelypteris[edit | edit source]
Thelypteris palustris
marsh fern
As with the hay-scented fern (Dennstaedtia punctilobula) and bracken fern (Pteridium aquilinum), listed above, the New York fern (Thelypteris noveboracensis) is considered to be an "interfering" plant in New York forests. New York ferns produce dense stands that prevent the establishment of tree seedlings.[1] Despite being considered weeds (or conceivably because they are), New York ferns, as well as the other two Thelypteris species, are listed as "exploitably vulnerable" by the New York State Department of Environmental Conservation.[2]
Polypodiales — Thelypteridaceae — Thelypteridoideae — Thelypteris
Thelypteris Maiden-fern N.Y. Status Images Distribution NY NPT
 Schott
var. pubescens (G.Lawson) Fernald

1836. Dryopteris thelypteris
var. pubescens
1864. Lastrea thelypteris var. pubescens
1864. T. confluens var. pubescens
1910. Dryopteris tremula Christ
1929. T. palustris var. haleana
1929. T. palustris var. pubescens
Marsh fern,
Eastern marsh fern,
Northern marsh fern
Thélyptère des marais
    d'Amérique
Native, CoC: 4,
Secure,
DEC-D[1]

FACW

Perennial,
Herb-fern
Thelypteris palustris 03.jpg
Thelypteris palustris var pubescens NY-dist-map.png
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(L.) Nieuwl.

1753. Polypodium noveboracense L.
1803. Nephrodium thelypterioides Michx.
1827. Nephrodium novaeboracense Desv.
1848. Dryopteris noveboracensis
1910. Thelypteris noveboracensis
1963. Parathelypteris noveboracensis
Ching
1972. Thelypteris thelypterioides Holub
New York fern
Fougère de New York,
Thélyptéride de New York
Native, CoC: 4,
Secure,
DEC-D[1]

FAC

Perennial,
Herb-fern
Thelypteris noveboracensis (2997791904).gif
Thelypteris noveboracensis NY-dist-map.png
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(Davenp.) Nieuwl.

1894. Aspidium simulatum Davenp.
1894. Dryopteris simulata Davenp.
1904. Filix simulata (Davenp.) Farw.
1910. T. simulata (Davenp.) Nieuwl.
1976. Parathelypteris simulata Holttum
Massachusetts fern,
Bog fern
Thélyptère simulatrice
Native, CoC: 8,
Vulnerable,
DEC-D[1]

FACW

Perennial,
Herb-fern
Thelypteris simulata (26298829727) (cropped).jpg
Thelypteris simulata NY-dist-map.png
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Thelypteris (excluded taxa) Maiden-fern N.Y. Status Images Distribution NY NPT
Schott
var. palustris

1834. Thelypteris palustris Schott
    
    
Eurasian marsh fern
Thélyptère des marais
Introduced from
 Eurasia,
N.Y. excluded
Thelypteris palustris 001.JPG
Nymap.svg
NYFA-XCLD
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Family Woodsiaceae[edit | edit source]

The Woodsiaceae Herter (1949)

Woodsia[edit | edit source]

Woodsia ilvensis
Genus Woodsia contains five species of cliff-ferns that are found in New York.
Polypodiales — Woodsiaceae — Woodsia
Woodsia Cliff-fern N.Y. Status Images Distribution NY NPT
 (L.) R.Br.

    Acrostichum ilvense L.
Rusty cliff fern,
Rusty woodsia
Woodsie de l'île d'Elbe
Native,
Secure,
DEC-D[1]
Woodsia ilvensis inat3.jpg
Woodsia ilvensis NY-dist-map.png
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 (Spreng.) Torrey
ssp. obtusa

Bluntlobe cliff fern,
Blunt-lobe woodsia
Native,
Secure,
DEC-D[1]
Blunt-lobed Woodsia obtusa Winter Foliage.JPG
Woodsia obtusa ssp obtusa nymap.svg
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 (Bolt.) S.Gray

    Acrostichum alpinum
    W. alpina var. bellii
    W. glabella var. bellii
Alpine cliff fern,
Alpine woodsia,
Northern woodsia
Woodsie alpine
Native,
Endangered,
DEC-A[2]
Illustration Woodsia alpina0.jpg
Woodsia alpina nymap.svg
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R.Br. ex Richardson (1823)

    W. alpina var. glabella
    W. hyperborea var. glabella
Smooth cliff fern,
Smooth woodsia
Woodsie glabre
Native,
Endangered,
DEC-A[2]
BB-0025 Woodsia glabella.png
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 D.C.Eaton (1865)
ssp. cathcartiana

1908. W. cathcartiana B.L.Rob.
    W. oregana var. cathcartiana
Oregon cliff fern,
Oregon woodsia,
(tetraploid)
Native,
Likely extirpated
Oregon cliff fern, Woodsia oregana (16908174098) (cropped).jpg
Woodsia oregana ssp cathcartiana nymap.svg
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Family Athyriaceae[edit | edit source]

The Athyriaceae (lady-ferns)...

Athyrium[edit | edit source]

Polypodiales — Aspleniaceae — Athyrioideae — Athyrium
AthyriumRoth Lady-fern N.Y. Status Images Distribution NY NPT
(Willd.) C. Presl

1810. Aspidium angustum Willd.
1825. Athyrium angustum (Willd.) C.Presl
1864. At. filix-femina var. angustum
1949. At. filix-femina ssp. angustum
Northern lady fern,
Common lady fern,
Narrow lady fern,
Subarctic lady fern
Native, CoC: 5,
Secure,
DEC-D[1]
Athyrium angustum.jpg
Athyrium filix-femina ssp angustum nymap.svg
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(Michx.) A.A.Eaton

1803. Nephrodium asplenioides Michx.
1817. At. asplenioides (Michx.) A.A.Eaton.
1923. At. filix-femina var. asplenioides
1962. At. filix-femina ssp. asplenioides
Southern lady fern,
Lowland lady fern
Native, CoC: 7,
Vulnerable,
DEC-D[1]
XN Athyrium filix-femina.jpg
Athyrium filix-femina ssp asplenioides nymap.svg
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Athyrium (excluded taxa) Lady-fern N.Y. Status Images Distribution NY NPT
(L.) Roth ex Mert.
= Athyrium angustum ×
Athyrium asplenioides

Lady fern,
Hybrid of
 Northern lady fern &
 Southern lady fern
Native,
N.Y. excluded
Athyrium filix-femina-IMG 9794.JPG
Nymap.svg
NYFA-XCLD
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(Mett.) Hance

1865. Asplenium nipponicum Mett.
1873. Athyrium nipponicum (Mett.) Hance
2011. Anisocampium niponicum
Yea C.Liu, W.L.Chiou & M.Kato (Mett.)
[2]
Japanese painted lady fern,
Japanese painted fern
Introduced from
 eastern Asia,
No specimens
Athyrium niponicum f metallicum1.jpg
Nymap.svg
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  1. a b New York State Department of Environmental Conservation (DEC) Regulation §193.3, Protected Native Plants, (d) Exploitably vulnerable.
  2. [ Liu & al. (2011) "Molecular phylogeny and taxonomy of the fern genus Anisocampium (Athyriaceae)". TAXON 60 (3), June 2011: 824–830.]

Deparia[edit | edit source]

Deparia acrostichoides
silvery spleenwort

Polypodiales — Aspleniaceae — Athyrioideae — Deparia
Deparia False-spleenwort N.Y. Status Images Distribution NY NPT
 (Sw.) M.Kato

    Athyrium thelypterioides
    Diplazium acrostichoides
Silvery spleenwort,
Silver false spleenwort,
Silvery glade fern
Native, CoC: 8,
Secure,
DEC-D[1]
Deparia acrostichoides 9 (cropped).jpg
Deparia acrostichoides nymap.svg
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Family Onocleaceae[edit | edit source]

Family Onocleaceae

Onoclea[edit | edit source]

The sensitive fern, so called due to its sensitivity to frost, is very common in areas that are wet for part of the year.

Polypodiales — Aspleniaceae — Blechnoideae — Onoclea
Onoclea Sensitive fern N.Y. Status Images Distribution NY NPT
 L.

1753. Onoclea sensibilis L.
    
    
Sensitive fern,
Bead fern,
Polypod brake,
Meadow brake
Onoclée sensible
Native, CoC: 2,
Secure

FACW

Perennial,
Fern
Onoclea sensibilis (14004983382).jpg
Onoclea sensibilis nymap.svg
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Matteuccia[edit | edit source]

With the transfer of Onoclea (above) to Blechnoideae, Christenhusz & Chase (2014) recommended that Matteuccia be moved back to Onoclea.
Polypodiales — Aspleniaceae — Blechnoideae — Matteuccia
Matteuccia Ostrich fern N.Y. Status Images Distribution NY NPT
 (L.) Tod.
var. pensylvanica (Willd.) C.V.Morton

1810. Struthiopteris pensylvanica Willd.
1819. Onoclea pensylvanica Sm.
1945. Pteretis pensylvanica Fernald
1950. Matteuccia pensylvanica Raymond
1950. Matteuccia struthiopteris
var. pensylvanica C.V.Morton
1961. Onoclea struthiopteris
var. pensylvanica B.Boivin
Ostrich fern,
Shuttlecock fern,
Fiddlehead fern
Fougère à l'autruche
Native, CoC: 5,
Likely secure,
DEC-D[1]

FACW-FAC

Perennial,
Herb-fern
Matteuccia struthiopteris.jpg
Matteuccia struthiopteris var pensylvanica nymap.svg
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Matteuccia (excluded taxa) Ostrich fern N.Y. Status Images Distribution NY NPT
(L.) Tod.
var. struthiopteris

1753. Osmunda struthiopteris L.
1866. Matteuccia struthiopteris (L.) Tod.
    
    
Ostrich fern,
Fougère à l'autruche
Introduced from
 Eurasia,
N.Y. excluded
Matteuccia struthiopteris 9882.jpg
Nymap.svg
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Family Blechnaceae[edit | edit source]

Family Blechnaceae

Subfamily Woodwardioideae[edit | edit source]

Anchistea[edit | edit source]
Polypodiales — Blechnaceae — Woodwardioideae — Anchistea
Anchistea Chainfern N.Y. Status Images Distribution NY NPT
(L.) C. Presl

1771. Blechnum virginicum L.
1793. Woodwardia virginica (L.) Sm.
1851. Anchistea virginica (L.) C. Presl
Virginia chainfern Native, CoC: 9,
Secure,
DEC-D[1]

OBL

Perennial,
Herb-fern
Woodwardia virginica.jpg
Woodwardia virginica NY-dist-map.png
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Lorinseria[edit | edit source]
Polypodiales — Blechnaceae — Woodwardioideae — Lorinseria
Lorinseria Chainfern N.Y. Status Images Distribution NY NPT
(L.) C. Presl

1753. Acrostichum areolatum L.
1851. Lorinseria areolata (L.) C. Presl
1857. Woodwardia areolata (L.) T. Moore
Netted chainfern Native, CoC: 10,
Vulnerable,
DEC-D[1]

OBL-FACW

Perennial,
Herb-fern
Woodwardia areolata veins.JPG
Woodwardia areolata nymap.svg
NYFA-3
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Suborder Polypodiineae[edit | edit source]

Suborder Polypodiineae Dumort. (1829)

Family Dryopteridaceae[edit | edit source]

Family Dryopteridaceae Herter. (1949)

Subfamily Dryopteridoideae[edit | edit source]

Subfamily Dryopteridoideae Link (1841)

Cyrtomium[edit | edit source]
Polypodiales — Dryopteridaceae — Dryopteridoideae — Cyrtomium
Cyrtomium (excluded taxa) Netvein-hollyfern N.Y. Status Images Distribution NY NPT
(L.f.) C.Presl

1782. Polypodium falcatum L.f.
1783. Polypodium japonicum Houtt.
1801. Aspidium falcatum (L.f.) Sw.
1836. Cyrtomium falcatum (L.f.) C. Presl
1891. Dryopteris falcata (L.f.) Kuntze
1899. Polystichum falcatum (L.f.) Diels
1947. Phanerophlebia falcata (L.f.) Copel.
Japanese holly fern,
Japanese netvein hollyfern
Introduced from
 Asia,
N.Y. excluded
Cyrtomium falcatum 4.jpg
Excluded nymap.svg
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Dryopteris[edit | edit source]
North American Dryopteris reticulogram.svg
Most Dryopteris (wood fern) species are characterized by sori located near the mid leaf vein. Dryopteris hybrids are very common.
Dryopteris diploid species[edit | edit source]
These species have 2n:82 chromosmes (twice the Dryopteris base chromosome number of n:41). D. intermedia and D. Goldiana have been shown to be part of a North American "reticulate complex", in which, along with three other Dryopteris species, they are parents to most of the allopolyploid Dryopteris species shown below.[1][2]
Polypodiales — Polypodiaceae — Dryopteridoideae — Dryopteris
Dryopteris (diploid) Wood fern N.Y. Status Images Distribution NY NPT
 (L.) A.Gray

1753. Polypodium marginale L.
1848. Dryopteris marginalis A.Gray
Marginal wood fern Native,
Secure,
DEC-D[1]

Perennial,
Herb-fern,
Anemochore
Dryopteris marginalis sori.jpg
Dryopteris marginalis nymap.svg
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 (Muhl. ex Willd.) A. Gray

1810. Aspidium intermedium Muhl. ex Willd.
1920. Thelypteris intermedia (Muhl. ex Willd.) House(?)
1825. Nephrodium intermedium (Muhl. ex Willd.) C. Presl
1848. Dryopteris intermedia (Muhl. ex Willd.) A. Gray
1893. D. spinulosa var. intermedia
1950. D. austriaca var. intermedia
Evergreen woodfern,
Fancy wood fern,
Common wood fern
Native,
Secure,
DEC-D[1]

Perennial,
Herb-fern,
Anemochore
Evergreen-Wood-Fern-sori-b (6264228657).gif
Dryopteris marginalis nymap.svg
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Wikispecies
 (Hook. ex Goldie) A.Gray

1822. Aspidium goldieanum Hook. ex Goldie
1848. Dryopteris goldieana A.Gray
1910. Thelypteris goldieana Nieuwl.
1916. Filix goldiana Farw.
1931. Filix-mas goldiana Farw.
Goldie's woodfern,
Goldie's shield fern,
Giant woodfern
Dryoptère de Goldie,
Dryoptéride de Goldie,
Dryoptéris géant
Native,
Likely secure,
DEC-D[1]

Perennial,
Herb-fern,
Anemochore
Dryopteris goldiana CR-0953.jpg
Dryopteris goldiana NY-dist-map.png
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 (L.) Schott

Fragrant cliff wood-fern,
Fragrant woodfern
Native,
Endangered,
DEC-A[2]

Perennial,
Herb-fern,
Anemochore
Dryopteris fragrans 1.jpg
Dryopteris fragrans nymap.svg
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Dryopteris allopolyploid species[edit | edit source]
These are fertile species of hybrid origin. Most are allotetraploid, derived from diploid Dryopteris parents, including two of the New York diploid species, D. intermedia and D. goldiana, shown above. The other diploid parents, D. expansa and D. ludoviciana, are North American, but not New York natives. A fifth, likely extinct, diploid parent "D. semicristata" has been hypothesized to form the well-supported model used here. The species Dryopteris clintoniana is allohexaploid, resulting from the diploid D. goldiana (above) and the allotetraploid D. Cristata, below. The parentage of the introduced non-NY-native, Dryopteris filix-mas has not been resolved, but it is probably not part of the same North American "reticulate complex" as the rest.[1]
Polypodiales — Polypodiaceae — Dryopteridoideae — Dryopteris
Dryopteris (allopolyploid) Woodfern N.Y. Status Images Distribution NY NPT
 (L.) A.Gray

♀ D. "semicristata" (SS) ×
♂ D. ludoviciana (LL) → SSLL

1753. Polypodium cristatum L.
1848. Dryopteris cristata A.Gray
Crested shield-fern,
Crested woodfern
Native,
Secure,
DEC-D[1]
Farnwedel 165a.jpg
Dryopteris cristata NY-dist-map.png
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(Vill.) H.P.Fuchs

♀ D. "semicristata" (SS) ×
♂ D. intermedia (II) → SSII

1777. Polypodium spinulosum O.F.Muell.
1786. Polypodium carthusianum Vill.
1867. Dryopteris spinulosa Watt
1959. Dryopteris carthusiana H.P.Fuchs
Spinulose shield fern,
Spinulose wood fern,
Toothed wood fern,
Narrow buckler fern
Dryoptère spinuleuse
Native,
Secure,
DEC-D[1]
Dryopteris carthusiana sori.jpg
Dryopteris carthusiana NY-dist-map.png
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(D.C.Eaton) Dowell

♀ D. cristata (SSLL) ×
♂ D. goldiana (GG) → SSLLGG

1867. Aspidium cristatum
var. clintonianum D.C.Eaton
1893. Dryopteris cristata
var. clintoniana Underw.
1906. Dryopteris clintoniana Dowell
1920. Thelypteris clintoniana House
Clinton's wood fern
Dryoptère de clinton
Native,
Secure,
DEC-D[1]
Dryopteris clintoniana - Jenkins Arboretum - DSC00641 (cropped).JPG
Dryopteris clintoniana NY-dist-map.png
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(Kunze) Clarkson

♀ D. intermedia (II) ×
♂ D. expansa (EE) → IIEE

1848. Aspidium campylopterum Kunze
1915. Dryopteris austriaca Woyn.
ex Schinz & Thell.
1915. D. spinulosa var. americana Fernald
1916. D. dilatata var. americana Benedict
1920. Thelypteris dilatata (Hoffm.) House
1930. D. campyloptera Clarkson
Mountain woodfern,
Spreading wood fern,
Eastern spreading wood fern
Dryoptère arquée
Native,
Likely secure,
DEC-D[1]
Dryopteris campyloptera frond (cropped).JPG
Dryopteris campyloptera NY-dist-map.png
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 (W.Palmer)
Knowlt., Palmer & Pollard ex Small

♀ D. ludoviciana (LL) ×
♂ D. goldiana (GG) → LLGG

1899. D. goldiana ssp. celsa W.Palmer
1900. Dryopteris celsa Knowlt. &al.
1938. Dryopteris atropalustris Small
1960. Dryopteris wherryi Crane
Log fern Native,
Endangered,
DEC-A[2]
Dryopteris celsa 2zz.jpg
Dryopteris celsa nymap.svg
NYFA-1
USDA-N
ARS-GRIN
ITIS
FNA
Tropicos

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Dryopteris (excluded) Woodfern N.Y. Status Images Distribution NY NPT
 (L.) Schott

1753. Polypodium filix-mas L.
1801. Nephrodium filix-mas Rich.
1834. Dryopteris filix-mas Schott
Male fern,
Male wood-fern
N. America native,
N.Y. excluded
Dryopteris filix-mas eu 76 14062008 1.jpg
Excluded nymap.svg
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Dryopteris named hybrids[edit | edit source]
Polypodiales — Polypodiaceae — Dryopteridoideae — Dryopteris subsect. named hybrids
Dryopteris Woodfern N.Y. Status Images Distribution NY NPT
Dryopteris × boottii
 (Tuck.) Underw.

D. cristata (SSLL) ×
D. intermedia (II) → ILS

1843. Aspidium boottii Tuck.
1893. Dryopteris boottii (Tuck.) Underw.
1910. Thelypteris boottii (Tuck.) Nieuwl.
Boott's wood fern,
Glandular swamp fern
Native,
Vulnerable
Dryopteris × boottii BB-1913.png
Dryopteris × boottii NY-dist-map.png
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Dryopteris × triploidea
 Wherry

D. carthusiana (IISS) ×
D. intermedia (II) → IIS

1930. D. spinulosa var. fructuosa Trudell
1950. D. austriaca var. fructuosa C.V.Morton
1958. D. intermedia var. fructuosa Wherry
1960. Dryopteris × triploidea Wherry
Triploid woodfern Native,
Vulnerable
BB-0046 Dryopteris spinulosa.png
Dryopteris × triploidea NY-dist-map.png
NYFA-3
USDA-NN
ITIS
FNA

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Wikispecies
Dryopteris × uliginosa
(A.Braun ex Dowell) Druce

D. carthusiana (IISS) ×
D. cristata (SSLL) → ILSS

Spinulose crested wood fern Native,
Vulnerable
BB-0046 Dryopteris spinulosa.png
Dryopteris × uliginosa NY-dist-map.png
NYFA-3
USDA-NN

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Dryopteris × slossoniae
Wherry ex Lellinger

D. cristata (SSLL) ×
D. marginalis (MM) → LMS

1894. D. cristata × marginalis Davenport
1894. Aspidium cristatum × marginale
Davenport
1904. Nephrodium slossonae Hahne
1942. Dryopteris × slossonae Wherry
Crested marginal fern,
Miss Slosson's wood fern
Native,
Threatened
BB-0041 Dryopteris cristata.png
Dryopteris × slossoniae NY-dist-map.png
NYFA-1-3
USDA-NN

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Dryopteris × pittsfordensis
 Slossen

D. carthusiana (IISS) ×
D. marginalis (MM) → IMS

1904. Dryopteris pittsfordensis Sloss.
1904. Nephrodium pittsfordensis Woolson
Pittsford's wood fern Native,
Endangered
Fig 1 Dryopteris pittsfordensis.png
Dryopteris × pittsfordensis nymap.svg
NYFA-1
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Tropicos
IPN

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Dryopteris × burgessii
 Boivin

D. clintoniana (SSLLGG) ×
D. marginalis (MM) → GLMS

Burgess' shield fern Native,
No recent reports
BB-0042 Dryopteris clintoniana.png
Dryopteris × burgessii NY-dist-map.png
NYFA-Z?
USDA-NN

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Wikispecies
Dryopteris × benedictii
 (Farw.) Wherry

D. carthusiana (IISS) ×
D. clintoniana (SSLLGG) → GILSS

Benedict's wood fern Native,
No recent reports
BB-0046 Dryopteris spinulosa.png
Dryopteris × benedictii NY-dist-map.png
NYFA-Z?
USDA-NN

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Wikispecies
Dryopteris × dowellii
 (Farw.) Wherry

D. clintoniana (SSLLGG) ×
D. intermedia (II) → GILS

Dowell's wood fern Native,
No recent reports
BB-0042 Dryopteris clintoniana.png
Dryopteris × dowellii NY-dist-map.png
NYFA-Z
USDA-NN

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Dryopteris × mickelii

D. clintoniana (SSLLGG) ×
D. goldiana (GG) → GGLS

Wood fern Native,
Likely extirpated
BB-0042 Dryopteris clintoniana.png
Dryopteris × mickelii NY-dist-map.png
NYFA-Z
USDA-N

Images
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Dryopteris × neowherryi
 W.H.Wagner

D. goldiana (GG) ×
D. marginalis (MM) → GM

Wood fern Native,
No recent reports
BB-0043 Dryopteris goldiana.png
Dryopteris × neowherryi NY-dist-map.png
NYFA-Z
USDA-NN

Images
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Dryopteris × separabilis
 Small (pro sp.)

D. celsa (LLGG) ×
D. intermedia (II) → GIL

Glandular log fern Native,
No recent reports
BB-0048 Dryopteris intermedia.png
Dryopteris × separabilis NY-dist-map.png
NYFA-Z
USDA-N0

Images
Wikispecies
Dryopteris × correllii
 W.H.Wagner

D. carthusiana (IISS) ×
D. goldiana (GG) → GIS

Correll's wood fern,
Poyser's wood fern
Native,
No recent reports
BB-0046 Dryopteris spinulosa.png
Dryopteris × correllii nymap.svg
NYFA-?
USDA-N0

Images
Wikispecies
Dryopteris × leedsii
 Wherry

D. celsa (LLGG) ×
D. marginalis (MM) → GLM

Leeds' wood fern Native,
No recent reports
BB-0043 Dryopteris goldiana.png
Dryopteris × leedsii nymap.svg
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Dryopteris unnamed hybrids[edit | edit source]
Polypodiales — Polypodiaceae — Dryopteridoideae — Dryopteris subsect. unnamed hybrids
Dryopteris Woodfern N.Y. Status Images Distribution NY NPT
Dryopteris filix-mas × marginalis

Marginal male fern Native,
Threatened
BB-0045 Dryopteris filix-mas.png
Dryopteris filix-mas × marginalis nymap.svg
NYFA-1-3

Images
Wikispecies
Dryopteris celsa × goldiana

D. celsa (LLGG) ×
D. goldiana (GG) → GGL

Hybrid wood-fern Native,
No recent reports
BB-0043 Dryopteris goldiana.png
Dryopteris celsa × goldiana nymap.svg
NYFA-Z

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Wikispecies
Dryopteris intermedia × marginalis

D. intermedia (II) ×
D. marginalis (MM) → IM

Glandular marginal fern Native,
No recent reports
BB-0048 Dryopteris intermedia.png
Dryopteris intermedia × marginalis nymap.svg
NYFA-Z

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Wikispecies
Dryopteris celsa × cristata

D. celsa (LLGG) ×
D. cristata (SSLL) → GLLS

Hybrid wood-fern Native,
No recent reports
BB-0041 Dryopteris cristata.png
Dryopteris celsa × cristata nymap.svg
NYFA-Z

Images
Wikispecies
Dryopteris carthusiana × celsa

D. carthusiana (IISS) ×
D. celsa (LLGG) → IGLS

Spinulose wood fern Native,
No recent reports
BB-0046 Dryopteris spinulosa.png
Dryopteris carthusiana × celsa nymap.svg
NYFA-Z

Images
Wikispecies
Dryopteris goldiana × intermedia

D. goldiana (GG) ×
D. intermedia (II) → GI

Wood fern Native,
No recent reports
BB-0043 Dryopteris goldiana.png
Dryopteris goldiana × intermedia nymap.svg
NYFA-Z

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Wikispecies
Dryopteris cristata × goldiana

D. cristata (SSLL) ×
D. goldiana (GG) → GLS

Benedict's wood fern Native,
Unranked
BB-0041 Dryopteris cristata.png
Dryopteris cristata × goldiana nymap.svg
NYFA-U

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Polystichum[edit | edit source]
Polystichum acrostichoides
Christmas fern
Polystichum Roth (1799) goes by the English vernacular names Christmas fern, holy fern, and sword fern.
Polypodiales — Polypodiaceae — Dryopteridoideae — Polystichum
Polystichum Hollyfern N.Y. Status Images Distribution NY NPT
(Michx.) Schott

1803. Nephrodium acrostichoides Michx.
1834. Polystichum acrostichoides
(Michx.) Schott
Christmas fern,
Dagger fern
Polystic faux-acrostiche
Native,
Secure
Christmas Fern Polystichum acrostichoides Plant 2000px.JPG
Polystichum acrostichoides var acrostichoides NY-dist-map.png
NYFA-5
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 (Spenner) Fée

1825. Aspidium braunii Spenner
1852. Polystichum braunii Fée
Braun's holly-fern Native,
Likely secure
Polystichum braunii 2zz.jpg
Polystichum braunii NY-dist-map.png
NYFA-4
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 Barrington
[ P. acrostichoides × P. braunii ]

1986. Polystichum × potteri Barrington
Hybrid Christmas fern
  & Braun's holly-fern
Native,
Unranked
Christmas Fern Polystichum acrostichoides Leaf 2000px.JPG
Polystichum × potteri nymap.svg
NYFA-U
USDA-NN
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 (L.) Roth

1753. Polypodium lonchitis L.
1800. Polystichum lonchitis Roth
1801. Aspidium lonchitis Sw.
1924. Polystichum mohrioides var. lemmonii
Northern holly-fern
Polystic faux-lonchitis
Native,
Endangered
Polystichum lonchitis 4033.JPG
Polystichum lonchitis nymap.svg
NYFA-Z
USDA-NN
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 Cody

Polystichum acrostichoides ×
Polystichum lonchitis

1924. P. lonchitis fo. marginale McColl
1966. P. marginale (McColl) Cody
1968. P. × hagenahii Cody
Hagenah's holly fern,
Hagenah's polystichum,
Hybrid Christmas fern
  & northern holly-fern
Polystic de Hagenah
Native,
Unranked,
Questionable[1]
Polystichum lonchitis 5576.JPG
Polystichum × hagenahii nymap.svg

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ITIS
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  1. Flora of North America states that the rare hybrid Polystichum × hagenahii has only been found growing with both parents in Ontario. NYFA does not list it, but USDA-PLANTS does show it in NY as well as PA, listing the NY source: Lellinger, D.B. (1985) A field manual of the ferns and fern-allies of the U.S. and Canada, Smithsonian Institution, Washington, DC.

Family Polypodiaceae[edit | edit source]

Subfamily Polypodioideae[edit | edit source]

Polypodium[edit | edit source]
Polypodiales — Polypodiaceae — Polypodioideae — Polypodium
Polypodium Polypody N.Y. Status Images Distribution NY NPT
 L.

1753. Polypodium virginianum L.
1818. P. vulgare var. virginianum Eaton
1840. P. vulgare var. americanum Hook.
1962. P. vulgare ssp. virginianum Hultén
1977. P. vinlandicum Á. Löve & D. Löve
Rock polypody,
Rock-cap fern,
Common polypody
Tripes-de-roches,
Polypode de virginie
Native,
Secure,
DEC-D[1]
Polypodium virginianum (5382723883).jpg
Polypodium virginianum NY-dist-map.png
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Haufler & Windham

1900. P. vulgare var. oreophilum Maxon
1902. P. vulgare var. acuminatum Gilbert
1922. P. virginianum fo. acuminatum Fernald
1991. P. appalachianum Haufler & Windham
Appalachian rockcap fern,
Appalachian polypody,
Appalachian rock polypody
Polypode des Appalaches
Native,
Secure
Polypodium appalachianum1.jpg
Polypodium appalachianum NY-dist-map.png
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 Cusick

Polypodium appalachianum ×
Polypodium virginianum

2002. Polypodium × incognitum Cusick
Hybrid polypody Native,
Unranked
Polypodium virginianum 3-eheep (5097438393).jpg
Polypodium × incognitum nymap.svg
NYFA-?
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Pleopeltis[edit | edit source]
Pleopeltis polypodioides
resurrection fern
Pleopeltis polypodioides (resurrection fern) has been excluded from the New York Flora Atlas.[1]
  1. USDA-NRCS-PLANTS includes New York in the range of Pleopeltis polypodioides ssp. michauxiana, but the reference for this (House, H.D. 1924. Annotated list of the ferns and flowering plants of New York State. New York State Museum Bulletin No. 254) mentions only that the "gray polypody, or tree fern (Polypodium polypodioides) (L.) Watt, has been found on driftwoud on the Staten Island shore, although its natural range is from Virginia southward."
Polypodiales — Polypodiaceae — Polypodioideae — Pleopeltis
Pleopeltis (excluded taxa) Scaly-polypody N.Y. Status Images Distribution NY NPT
(L.) E.G.Andrews & Windham
var. michauxiana
(Weath.) E.G.Andrews & Windham

1939. Polypodium polypodioides
var. michauxianum Weath.
1993. Pleopeltis polypodioides
var. michauxiana
E.G.Andrews & Windham
2014. Pleopeltis michauxiana
(Weath.) Hickey & Sprunt
Resurrection fern,
Gray's polypody
N. America native,
N.Y. excluded
PL-004 Pleopeltis polypodioides (as Polypodium incanum).png
Excluded nymap.svg
NYFA-XCLD
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ITIS
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