Lycopodiaceae Lycophytes Lycopodiales Dendrolycopodium Lycophytes Lycopodiales Lycopodiaceae Dendrolycopodium 1 Dendrolycopodium dendroideum (Michx.) A. Haines + prickly tree-clubmoss, northern tree-clubmoss [Lycopodium dendroideum Michx.] [Lycopodium obscurum L. var. dendroideum (Michx.) D.C. Eaton] 2 Dendrolycopodium hickeyi (W.H. Wagner, Beitel & R.C. Moran) A. Haines + Hickey's tree-clubmoss [Lycopodium hickeyi W.H. Wagner, Beitel & R.C. Moran] [Lycopodium obscurum L. var. isophyllum Hickey] 3 Dendrolycopodium obscurum (L.) A. Haines + flat-branched tree-clubmoss [Lycopodium obscurum L.] Diphasiastrum 4 Diphasiastrum complanatum (L.) Holub + northern gound-cedar [Lycopodium complanatum L.] ** Diphasiastrum complanatum D. tristachyum = D. zeilleri (Rouy) Holub + Zeiller's ground-cedar [Lycopodium zeilleri (Rouy) Vict.] 5 Diphasiastrum digitatum (Dill. ex A. Braun) Holub + southern ground-cedar [Lycopodium complanatum L. ssp. flabelliforme (Fernald) R. T. Clausen] [Lycopodium complanatum L. var. flabelliforme Fernald] [Lycopodium digitatum Dill. ex A. Braun] [Lycopodium flabelliforme (Fernald) Blanch.] 6 Diphasiastrum digitatum D. tristachyum = D. habereri (House) Holub + Haberer's ground-cedar [Lycopodium habereri House] ** Diphasiastrum sitchense (Rupr.) Holub + Sitka ground-cedar [Lycopodium sabinifolium Willd. var. sitchense (Rupr.) Fernald] [Lycopodium sitchense Rupr.]

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 4 Lycopodiaceae Lycophytes Lycopodiales Diphasiastrum 7 Diphasiastrum sitchense D. tristachyum = D. sabinifolium (Willd.) Holub + juniper-leaved ground-cedar [Lycopodium sabinifolium Willd. var. sharonense (S.F. Blake) S.F. Blake] [Lycopodium sabinifolium Willd.] 8 Diphasiastrum tristachyum (Pursh) Holub + blue ground-cedar [Lycopodium tristachyum Pursh] Huperzia 9 Huperzia appressa (Desv.) . Lve & D. Lve + mountain firmoss [Huperzia appalachiana Beitel & Mickel] [Lycopodium selago L. var. appressum Desv.] [Lycopodium selago L. misapplied] 10 Huperzia lucidula (Michx.) Trevis. + shining firmoss [Lycopodium lucidulum Michx.] ** Huperzia lucidula H. porophila (F.E. Lloyd & Underw.) Holub = H. bartleyi (Cusick) Kartesz & Gandhi + Bartley's firmoss One of the parents, Huperzia porophila, is not known from New York. [Lycopodium lucidulum Michx. L. porophilum F.E. Lloyd & Underw. = L. bartleyi Cusick] 11 Huperzia selago (L.) Bernh. ex Schrank & Mart. + northern firmoss [Lycopodium selago L.] ** Huperzia selago H. lucidula = H. buttersii (Abbe) Kartesz & Gandhi + Butters's firmoss Lycopodiella 12 Lycopodiella alopecuroides (L.) Cranfill + foxtail bog-clubmoss [Lycopodium alopecuroides L.] ** Lycopodiella alopecuroides L. appressa = L. copelandii (Eiger) Cranfill + Copeland's bog-clubmoss [Lycopodium copelandii Eiger] ** Lycopodiella alopecuroides L. inundatum = L. robusta (R. J. Eaton) A. Haines + robust bog-clubmoss [Lycopodium inundation L. var. robustum R. J. Eaton] 13 Lycopodiella appressa (Chapm.) Cranfill + appressed-leaved bog-clubmoss, swamp bog-clubmoss [Lycopodium appressum (Chapm.) F.E. Lloyd & Underw.] [Lycopodium inundatum L. var. appressum Chapm.] [Lycopodium inundatum L. var. bigelovii Tuck.]

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 5 Lycopodiaceae Lycophytes Lycopodiales Lycopodiella ** Lycopodiella appressa L. inundatum = L. gilmanii A. Haines + Gilman's bog-clubmoss 14 Lycopodiella inundatum (L.) Holub + northern bog-clubmoss [Lycopodium inundatum L.] Lycopodium 15 Lycopodium clavatum L. + staghorn clubmoss 16 Lycopodium lagopus (Laest. ex C. Hartm.) G. Zinserl. ex Kuzen + one-cone clubmoss [Lycopodium clavatum L. var. brevispicatum Peck] [Lycopodium clavatum L. var. megastachyon Fernald & Bissell] [Lycopodium clavatum L. var. monostachyon Hook. & Grev.] Pseudolycopodiella 17 Pseudolycopodiella caroliniana (L.) Holub + Carolina clubmoss [Lycopodiella caroliniana (L.) Pic. Serm.] [Lycopodium carolinianum L.] Spinulum 18 Spinulum annotinum (L.) A. Haines + common bristly clubmoss [Lycopodium annotinum L. var. acrifolium Fernald] [Lycopodium annotinum L.] 19 Spinulum annotinum S. canadense + hybrid bristly clubmoss 20 Spinulum canadense (Nessel) A. Haines + northern bristly clubmoss [Lycopodium annotinum L. var. pungens Desv.] Isoetales Isoetaceae Isoetes ** Isoetes acadiensis Kott + Acadian quillwort

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 6 Isoetaceae Lycophytes Isoetales Isoetes

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 7 Selaginellaceae Lycophytes Selaginellales Selaginella ** Selaginella selaginoides (L.) P. Beauv. ex Mart. & Schrank + northern spikemoss

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 8 Equisetaceae Monilophytes Equisetales Equisetum Monilophytes Equisetales Equisetaceae Equisetum 24 Equisetum arvense L. + field horsetail, common horsetail 25 Equisetum arvense E. fluviatile = E. litorale Khlew. ex Rupr. + shore horsetail 26 Equisetum fluviatile L. + river horsetail 27 Equisetum hyemale L. ssp. affine (Engelm.) Calder & Roy L. Taylor + common scouring-rush [Equisetum hyemale L. var. affine (Engelm.) A.A. Eaton] [Equisetum hyemale L. var. psuedohyemale C.V. Morton] [Equisetum hyemale L. var. robustum (A. Braun ex Engelm.) A.A. Eaton] [Equisetum praealtum Raf.] 28 Equisetum hyemale E. laevigatum A. Braun = E. ferrissii Clute + Ferriss's scouring rush [Equisetum hyemale L. var. elatum (Engelm.) C.V. Morton] [Equisetum hyemale L. var. intermedium A.A. Eaton] 29 Equisetum hyemale E. variegatum = E. mackaii (Newman) Brichan + Mackay's scouring-rush [Equisetum variegatum Schleich. ex F. Weber & D. Mohr var. jesupii A.A. Eaton] [Equisetum trachyodon (A. Braun) W.D.J. Koch] 30 Equisetum laevigatum A. Braun E. variegatum = E. nelsonii (A.A. Eaton) J.H. Schaffn. + Nelson's scouring-rush [Equisetum variegatum Schleich. ex F. Weber & D. Mohr var. nelsonii A.A. Eaton] 31 Equisetum palustre L. + marsh horsetail [Equisetum palustre L. var. ramosissimum Peck] 32 Equisetum pratense Ehrh. + meadow horsetail 33 Equisetum scirpoides Michx. + dwarf scouring-rush

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 9 Equisetaceae Monilophytes Equisetales Equisetum 34 Equisetum sylvaticum L. + wood horsetail [Equisetum sylvaticum L. var. multiramosum (Fernald) Wherry] [Equisetum sylvaticum L. var. pauciramosum Milde] 35 Equisetum variegatum Schleich. ex F. Weber & D. Mohr ssp. variegatum + Variegated scouring-rush [Equisetum variegatum Schleich. ex F. Weber & D. Mohr var. variegatum] Ophioglossales Ophioglossaceae Botrychium 36 Botrychium angustisegmentum (Pease & A.H. Moore) Fernald + narrow triangle moonwort [Botrychium lanceolatum (S.G. Gmel.) ngstr. ssp. angustisegmentum (Pease & A.H. Moore) R.T. Clausen] [Botrychium lanceolatum (S.G. Gmel.) ngstr. var. angustisegmentum Pease & A.H. Moore] [Botrychium lanceolatum (S.G. Gmel.) ngstr. misapplied] ** Botrychium campestre W.H. Wagner & Farrar + prairie moonwort 37 Botrychium dissectum Spreng. + dissected grape-fern [Botrychium dissectum Spreng. var. obliquum (Muhl.) Clute] [Botrychium obliquum Muhl. var. elongatum Gilbert & Haberer] [Botrychium obliquum Muhl. var. habereri Gilbert] [Botrychium obliquum Muhl.] [Sceptridium dissectum (Spreng.) Lyon] 38 Botrychium matricariifolium (Dll) A. Braun ex W.D.J. Koch + daisy-leaved moonwort [Botrychium neglectum Alph. Wood] ** Botrychium minganense Vict. + Mingan moonwort [Botrychium lunaria (L.) Sw. var. minganense (Vict.) Dole] 39 Botrychium multifidum (S.G. Gmel.) Rupr. + leathery grape-fern [Botrychium multifidum (S.G. Gmel.) Rupr. var. intermedium (D.C. Eaton) Farw.] [Sceptridium multifidum (S.G. Gmel.) Nishida ex Tagawa] 40 Botrychium neolunaria sp. nov. ined + American common moonwort [Botrychium lunaria (L.) Sw. var. onondagense (Underw.) House] [Botrychium lunaria (L.) Sw. misapplied] [Botrychium onondagense Underw.]

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 10 Ophioglossaceae Monilophytes Ophioglossales Botrychium

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 11 Hymenophyllaceae Monilophytes Hymenophyllales Crepidomanes Hymenophyllales Hymenophyllaceae Crepidomanes ** Crepidomanes intricatum (Farrar) Ebihara & Weakley + weft fern [Trichomanes intricatum Farrar] Schizaeales Lygodiaceae Lygodium 49 Lygodium palmatum (Bernh.) Sw. + climbing fern, Hartford fern Schizaeaceae Schizaea 50 Schizaea pusilla Pursh + curly-grass fern, curly-grass Salviniales Marsileaceae Marsilea 51 Marsilea quadrifolia L. * -N water-clover Salviniaceae Azolla ** Azolla cristata Kaulf. + mosquito fern [Azolla caroliniana Willd. misapplied] [Azolla filiculoides Lam. misapplied]

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 12 Dennstaedtiaceae Monilophytes Polypodiales Dennstaedtia Polypodiales Dennstaedtiaceae Dennstaedtia 52 Dennstaedtia punctilobula (Michx.) T. Moore + hay-scented fern Pteridium 53 Pteridium aquilinum (L.) Kuhn ssp. latiusculum (Desv.) Hultn + eastern bracken fern [Pteridium aquilinum (L.) Kuhn var. latiusculum (Desv.) Underw. ex A. Heller] [Pteridium latiusculum (Desv.) Hieron. ex Fries ssp. latiusculum] 54 Pteridium aquilinum (L.) Kuhn ssp. pseudocaudatum (Clute) Hultn + southeastern bracken fern [Pteridium aquilinum (L.) Kuhn var. pseudocaudatum (Clute) A. Heller] [Pteridium latiusculum (Desv.) Hieron. ex Fries var. pseudocaudatum (Clute) Maxon ex House] Pteridaceae Adiantum ** Adiantum capillus-veneris L. * Venus's-hair fern Benedict (1924) reports that "several plants of this species [were] growing naturally in a rocky, wooded situation" near Windham, New York. I have seen a specimen documenting this report (23 Sep 1923, Watkins s.n., BKL!). 55 Adiantum pedatum L. + maidenhair fern Cryptogramma 56 Cryptogramma stelleri (S.G. Gmel.) Prantl + slender cliff-brake, Steller's cliff-brake Myriopteris 57 Myriopteris lanosa (Michx.) Grusz & Windham + wooly lip fern, hairy lip fern [Cheilanthes lanosa (Michx.) D.C. Eaton] [Cheilanthes vestita (Spreng.) Sw.]

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 13 Pteridaceae Monilophytes Polypodiales Pellaea Pellaea 58 Pellaea atropurpurea (L.) Link + purple cliff-brake 59 Pellaea glabella Mett. ex Kuhn ssp. glabella + smooth cliff-brake Vittaria ** Vittaria appalachiana Farrar & Mickel + Appalachian shoestring fern, Appalachian vittaria Cystopteridaceae Cystopteris 60 Cystopteris bulbifera (L.) Bernh. + bulblet fern [Filix bulbifera (L.) Underw.] 61 Cystopteris fragilis (L.) Bernh. + fragile fern [Filix fragilis (L.) Gilib.] 62 Cystopteris protrusa (Weath.) Blasdell + lowland fragile fern [Cystopteris fragilis (L.) Bernh. var. protrusa Weath.] 63 Cystopteris tenuis (Michx.) Desv. + Mackay's fragile fern [Cystopteris fragilis (L.) Bernh. var. mackayi G. Lawson] Gymnocarpium ** Gymnocarpium disjunctum (Rupr.) Ching G. dryopteris = G. brittonianum (Sarvela) Pryer & Haufler + Britton's fern See Pryer and Haufler (1993) for details about this hybrid. It is possible the hybrids in New York have a different parentage and that there are actually more than one Gymnocarpium hybrid in New York. 64 Gymnocarpium dryopteris (L.) Newman + oak fern [Dryopteris disjuncta (Rupr.) C.V. Morton misapplied] [Thelypteris dryopteris (L.) Sloss.]

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 14 Aspleniaceae Monilophytes Polypodiales Asplenium Aspleniaceae Asplenium ** Asplenium bradleyi D.C. Eaton + Bradley's spleenwort 65 Asplenium montanum Willd. + mountain spleenwort 66 Asplenium platyneuron (L.) Britton, Sterns & Poggenb. + ebony spleenwort [Asplenium platyneuron (L.) Britton, Sterns & Poggenb. var. incisum (Howe ex Peck) B.L. Rob.] ** Asplenium platyneuron A. rhizophyllum = A. ebenoides R.R. Scott + Scott's spleenwort [ Asplenosorusebenoides (R.R. Scott) Wherry] 67 Asplenium rhizophyllum L. + walking fern [Camptosorus rhizophyllus (L.) Link] 68 Asplenium ruta-muraria L. + wall-rue [Asplenium cryptolepis Fernald] 69 Asplenium scolopendrium L. var. americanum (Fernald) Kartesz & Gandhi + American harts tongue fern [Phyllitis scolopendrium (L.) Newman var. americanum Fernald] 70 Asplenium trichomanes L. ssp. quadrivalens D.E. Mey. + maidenhair spleenwort 71 Asplenium trichomanes L. ssp. trichomanes + maidenhair spleenwort ** Asplenium viride Huds. + green spleenwort [Asplenium ramosum L.] [Asplenium trichomanes-ramosum L.] Diplaziopsidaceae Homalosorus 72 Homalosorus pycnocarpos (Spreng.) Pic. Serm. + glade fern [Athyrium pycnocarpon (Spreng.) Tidestr.] [Diplazium pycnocarpon (Spreng.) M. Broun]

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 15 Thelypteridaceae Monilophytes Polypodiales Phegopteris Thelypteridaceae Phegopteris 73 Phegopteris connectilis (Michx.) Watt + long beech fern [Dryopteris phegopteris (L.) C. Chr.] [Thelypteris phegopteris (L.) Sloss. ex Rydb.] 74 Phegopteris hexagonoptera (Michx.) Fe + broad beech fern [Dryopteris hexagonoptera (Michx.) C. Chr.] [Thelypteris hexagonoptera (Michx.) Weath.] Thelypteris Thelypteris simulata and T. noveboracensis should be split into segregate genera but the correct generic placement is not yet clear (He and Zhang 2012). 75 Thelypteris noveboracensis (L.) Nieuwl. + New York fern [Dryopteris noveboracensis (L.) A. Gray] [Parathelypteris noveboracensis (L.) Ching] 76 Thelypteris palustris Schott var. pubescens (G. Lawson) Fernald + marsh fern [Dryopteris thelypteris (L.) A. Gray var. pubescens (G. Lawson) Weath.] [Thelypteris thelypteris (L) Nieuwl.] 77 Thelypteris simulata (Davenp.) Nieuwl. + Massachusetts fern [Dryopteris simulata Davenp.] [Parathelypteris simulata (Davenp.) Holttum] Woodsiaceae Woodsia 78 Woodsia alpina (Bolton) Gray + alpine woodsia, alpine cliff fern [Woodsia alpina (Bolton) Gray var. bellii G. Lawson] 79 Woodsia glabella R. Br. ex Richardson + smooth woodsia, smool cliff fern 80 Woodsia ilvensis (L.) R. Br. + rusty woodsia, rusty cliff fern 81 Woodsia obtusa (Spreng.) Torr. ssp. obtusa + blunt-lobed woodsia, blunt-lobed cliff fern

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 16 Woodsiaceae Monilophytes Polypodiales Woodsia 82 Woodsia oregana D.C. Eaton ssp. cathcartiana (B.L. Rob.) Windham + Cathcart's woodsia, Cathcart's cliff fern [Woodsia cathcartiana B.L. Rob.] Onocleaceae Matteuccia 83 Matteuccia struthiopteris (L.) Tod. var. pensylvanica (Willd.) C.V. Morton + ostrich fern [Pteretis nodulsa (Michx.) Nieuwl. misapplied] [Pteretis pensylvanica (Willd.) Fernald] Onoclea 84 Onoclea sensibilis L. + sensitive fern [Onoclea sensibilis L. var. obtusilobata (Schkuhr) Torrey] Blechnaceae Woodwardia 85 Woodwardia areolata (L.) T. Moore + netted chain fern [Lorinseria areolata (L.) C. Presl] 86 Woodwardia virginica (L.) Sm. + Virginia chain fern [Anchistea virginica (L.) C. Presl] Athyriaceae Athyrium 87 Athyrium angustum (Willd.) C. Presl + northern lady fern [Athyrium angustum (Willd.) C. Presl var. elatius (Link) Butters] [Athyrium angustum (Willd.) C. Presl var. rubellum (Gilbert) Butters] [Athyrium filix-femina (L.) Roth ssp. angustum (Willd.) R.T. Clausen] [Athyrium filix-femina (L.) Roth var. angustum (Willd.) G. Lawson] [Athyrium filix-femina (L.) Roth var. michauxii (Spreng.) Farw.] 88 Athyrium asplenioides (Michx.) A.A. Eaton + southern Lady fern [Athyrium filix-femina (L.) Roth ssp. asplenioides (Michx.) Hultn] [Athyrium filix-femina (L.) Roth var. asplenioides (Michx.) Farw.]

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 17 Athyriaceae Monilophytes Polypodiales Deparia Deparia 89 Deparia acrostichoides (Sw.) M. Kato + silvery spleenwort [Athyrium thelypterioides (Michx.) Desv.] Dryopteridaceae Dryopteris 90 Dryopteris campyloptera (Kunze) Clarkson + mountain wood fern [Dryopteris austriaca (Jacq.) Woyn. ex Schinz & Thell.] [Dryopteris spinulosa (O.F. Mll.) Watt var. americana (Fischer ex Kunze) Fernald] [Thelypteris dilatata (Hoffm.) House var. americana (Fischer) House] 91 Dryopteris carthusiana (Vill.) H.P. Fuchs + spinulose wood fern [Dryopteris austriaca (Jacq.) Woyn. ex Schinz & Thell. var. spinulosa (O.F. Mll.) Fiori] [Dryopteris spinulosa (O.F. Mll.) Watt] [Thelypteris spinulosa (O.F. Mll.) Nieuwl.] ** Dryopteris carthusiana D. celsa + hybrid wood fern ** Dryopteris carthusiana D. clintoniana = D. benedictii Wherry + Benedict's wood fern [Thelypteris clintoniana (D.C. Eaton) House T. spinulosa (O.F. Mll.) Nieuwl.] 92 Dryopteris carthusiana D. cristata = D. uliginosa (A. Braun ex Dll) Kuntze ex Druce + marsh wood fern [Thelypteris cristata (L.) Nieuwl. T. spinulosa (O.F. Mll.) Nieuwl.] 93 Dryopteris carthusiana D. intermedia = D. triploidea Wherry + triploid wood fern [Dryopteris austriaca (Jacq.) Woyn. ex Schinz & Thell. var. fructuosa C.V. Morton] [Dryopteris spinulosa (O.F. Mll.) Watt var. fructuosa Trudell] ** Dryopteris carthusiana D. marginalis = D. pittsfordensis Sloss. + Pittsford's wood fern [Thelypteris marginalis (L.) Nieuwl. T. spinulosa (O.F. Mll.) Nieuwl.] 94 Dryopteris celsa (W. Palmer) Knowlt., W. Palmer, & Pollard + log fern ** Dryopteris celsa D. cristata + hybrid wood fern 95 Dryopteris celsa D. goldiana + hybrid wood fern ** Dryopteris celsa D. intermedia = D. separabilis Small + evergreen log wood fern

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 18 Dryopteridaceae Monilophytes Polypodiales Dryopteris ** Dryopteris celsa D. marginalis = D. leedsii Wherry + Leeds's wood fern 96 Dryopteris clintoniana (D.C. Eaton) Dowell + Clinton's wood fern [Dryopteris cristata (L.) A. Gray var. clintoniana (D.C. Eaton) Underw.] [Thelypteris clintoniana (D.C. Eaton) House T. dilatata (Hoffm.) House var. americana (Fischer) House] [Thelypteris clintoniana (D.C. Eaton) House] 97 Dryopteris clintoniana D. goldiana = D. mickelii J.H. Peck + Mickel's wood fern [Thelypteris clintoniana (D.C. Eaton) House T. goldiana (Hook. ex Goldie) Nieuwl.] 98 Dryopteris clintoniana D. intermedia = D. dowellii (Farw.) Wherry + Dowell's wood fern [Thelypteris clintoniana (D.C. Eaton) House T. intermedia (Muhl. ex Willd.) House] 99 Dryopteris clintoniana D. marginalis = D. burgessii B. Boivin + Burgess's wood fern [Thelypteris clintoniana (D.C. Eaton) House T. marginalis (L.) Nieuwl.] 100 Dryopteris cristata (L.) A. Gray + crested wood fern [Thelypteris cristata (L.) Nieuwl.] 101 Dryopteris cristata D. intermedia = D. boottii (Tuckerm.) Underw. + Boott's wood fern [Thelypteris cristata (L.) Nieuwl. T. intermedia (Muhl. ex Willd.) House] 102 Dryopteris cristata D. marginalis = D. slossoniae Wherry ex Lellinger + Slosson's wood fern [Thelypteris cristata (L.) Nieuwl. T. marginalis (L.) Nieuwl.] ** Dryopteris filix-mas (L.) Schott male fern 103 Dryopteris fragrans (L.) Schott + fragrant wood fern, fragrant cliff fern [Dryopteris fragrans (L.) Schott var. remotiuscula Kom.] [Thelypteris fragrans (L.) Nieuwl. var. hookeriana Fernald] Polystichum 104 Polystichum acrostichoides (Michx.) Schott + christmas fern 105 Polystichum acrostichoides P. braunii = P. potteri Barrington + Potter's christmas fern 106 Polystichum braunii (Spenn.) Fe + Braun's holly fern [Polystichum braunii (Spenn.) Fe var. purshii Fernald]

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 19 Dryopteridaceae Monilophytes Polypodiales Polystichum ** Polystichum lonchitis (L.) Roth + holly fern Polypodiaceae Pleopeltis ** Pleopeltis polypodioides (L.) E.G. Andrews & Windham var. michauxiana (Weath.) E.G. Andrews & Windham * -Ws resurrection fern [Pleopeltis polypodioides (L.) E.G. Andrews & Windham var. polypodioides misapplied] [Polypodium polypodioides (L.) Watts var. michauxianum Weath.] [Polypodium polypodioides (L.) Watts var. polypodioides misapplied] Polypodium 107 Polypodium appalachianum Haufler & Windham + Appalachian polypody [Polypodium virginianum L. misapplied] 108 Polypodium appalachianum P. virginianum = P. incognitum Cusick + disguised polypody 109 Polypodium virginianum L. + Virginian rock polypody [Polypodium vulgare L. var. virginianum (L.) Eaton]

David Werier Botanical and Ecological Consulting Provisional NYS vascular plant checklist ver. 15 May 2014 20