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Ferns
and Fern Allies
Lycopods,
club mosses, and quillworts | True ferns | Horsetails
Lycopods,
Club Mosses, and Quillworts
Division Lycophyta
Order Isoetales
 Acadian
quillwort Isoëtes acadiensis
Bolander's
quillwort Isoëtes bolanderi
Spiny-spored
quillwort Isoëtes echinospora
 Engelmann's
quillwort Isoëtes engelmannii
Howell's
quillwort Isoëtes howellii
Lake
quillwort Isoëtes lacustris
Maritime
quillwort Isoëtes maritima
Nuttall's
quillwort. Isoëtes nuttallii
Western
quillwort Isoëtes occidentalis
Prototype
quillwort Isoëtes prototypus
Shore
quillwort Isoëtes riparia
Tuckerman's
quillwort Isoëtes tuckermanii
Order Lycopsida
Alpine
club-moss Diphasiastrum alpinum
Northern
running-pine Diphasiastrum complanatum
Southern
running-pine Diphasiastrum digitatum
Sitka
club-moss Diphasiastrum sitchense
Blue
ground-cedar Diphasiastrum tristachyum
Mountain
fir-moss Huperzia appalachiana
Alpine
fir-moss Huperzia haleakalae
Shining
fir-moss Huperzia lucidula
Pacific
fir-moss Huperzia miyoshiana
Huperzia
occidentalis
Northern
fir-moss Huperzia selago
Northern
bog club-moss Lycopodiella inundata
Bristly
club-moss Lycopodium annotinum
Common
club-moss Lycopodium clavatum
Prickly
tree club-moss Lycopodium dendroideum
Hickey's
tree club-moss Lycopodium hickeyi
One-cone
club-moss Lycopodium lagopus
Flat-branched
tree club-moss Lycopodium obscurum
True
Ferns
Division Pterophyta
Order Blechnales
American
alpine lady fern Athyrium alpestre americanum
Northern
lady fern Athyrium filix-femina angustum
Northwestern
lady fern Athyrium filix-femina cyclosorum
Brittle
fern, fragile fern Cystopteris fragilis
Laurentian
bladder fern Cystopteris laurentiana
Mountain
bladder fern Cystopteris montana
Southern
bladder fern, lowland brittle fern Cystopteris protrusa
Mackay's
brittle fern Cystopteris tenuis
Narrow-leaved
glade fern, narrow-leaved-spleenwort, glade fern Diplazium pycnocarpon
Marginal
wood fern, coastal wood fern Dryopteris arguta
Mountain
wood fern, eastern spreading wood fern Dryopteris campyloptera
Spinulose
wood fern, toothed wood fern Dryopteris carthusiana
Clinton's
wood fern Dryopteris clintoniana
Crested
wood fern Dryopteris cristata
Northern
wood fern, spreading wood fern Dryopteris expansa
Male
fern Dryopteris filix-mas
Fragrant
wood fern Dryopteris fragrans
Evergreen
wood fern, fancy fern Dryopteris intermedia
Western
oak fern Gymnocarpium disjunctum
Common
oak fern Gymnocarpium dryopteris
Nahanni
oak fern Gymnocarpium jessoense parvulum
Limestone
oak fern Gymnocarpium robertianum
Ostrich
fern Matteuccia struthiopteris pensylvanica
Christmas
fern Polystichum acrostichoides
Anderson's
sword fern Polystichum andersonii
Braun's
holly fern Polystichum braunii
California
sword fern Polystichum californicum
Polystichum
imbricans imbricans
Kruckeberg's
holly fern Polystichum kruckebergii
Polystichum
kwakiutlii
Shasta
fern Polystichum lemmonii
Holly
fern Polystichum lonchitis
Common
sword fern Polystichum munitum
Rock
sword fern Polystichum scopulinum
Alaska
sword fern Polystichum setigerum
Alpine
cliff fern Woodsia alpina
Smooth
cliff fern Woodsia glabella
Rusty
cliff fern Woodsia ilvensis
Woodsia
obtusa obtusa
Woodsia
oregana oregana
Woodsia
oregana cathcartiana
Woodsia
scopulina laurentiana
Woodsia
scopulina scopulina
Order Dicksoniales
Hay-scented
fern Dennstaedtia punctilobula
Spicebush,
Benjamin bush Lindera benzoin
Eastern
bracken Pteridium aquilinum latiusculum
Western
bracken Pteridium aquilinum pubescens
Order Filicopsida
Adulterated
spleenwort Asplenium adulterinum
Ebony
spleenwort Asplenium platyneuron
Walking
fern Asplenium rhizophyllum
Wall
rue Asplenium ruta-muraria
American
hart's-tongue. Asplenium scolopendrium americanum
Asplenium
trichomanes trichomanes
Asplenium
trichomanes quadrivalens
Green
spleenwort Asplenium trichomanes-ramosum
Azolla
filiculoides
Azolla
mexicana
Deer
fern Blechnum spicant
Woodwardia
areolata
Giant
chain fern Woodwardia fimbriata
Virginia
chain fern Woodwardia virginica
Marsilea
quadrifolia
Marsilea
vestita
Interrupted
fern Osmunda claytoniana
Osmunda
regalis spectabilis
Appalachian
polypody Polypodium appalachianum
Licorice
fern Polypodium glycyrrhiza
Coast
polypody Polypodium scouleri
Rock
polypody Polypodium virginianum
Goldie's
wood fern Dryopteris goldiana
Marginal
wood fern Dryopteris marginalis
Northern
beech fern, narrow beech fern Phegopteris connectilis
Broad
beech fern, southern beech fern Phegopteris hexagonoptera
Polypodium
amorphum
Nevada
marsh fern Thelypteris nevadensis
New
York fern Thelypteris noveboracensis
Thelypteris
palustris pubescens
Thelypteris
quelpaertensis
Massachusetts
fern Thelypteris simulata
Order Hymenophyllales
Wright's
filmy fern Hymenophyllum wrightii
Order Lamiales
Pointed
moonwort Botrychium acuminatum
Order Ophioglossales
Upswept
moonwort Botrychium ascendens
Prairie
moonwort Botrychium campestre
Dissected
grapefern Botrychium dissectum
Western
moonwort Botrychium hesperium
Narrow
triangle moonwort Botrychium lanceolatum angustisegmentum
Botrychium
lanceolatum lanceolatum
Common
moonwort Botrychium lunaria
Daisy-leaf
moonwort Botrychium matricariifolium
Mingan
moonwort Botrychium minganense
Western
goblin Botrychium montanum
Leather
grapefern Botrychium multifidum
Blunt-lobed
grapefern Botrychium oneidense
Pale
moonwort Botrychium pallidum
Paradox
moonwort Botrychium paradoxum
Stalked
moonwort Botrychium pedunculosum
Northwestern
moonwort Botrychium pinnatum
False
northwestern moonwort Botrychium pseudopinnatum
St.
Lawrence grapefern Botrychium rugulosum
Least
moonwort Botrychium simplex
Spatulate
moonwort Botrychium spathulatum
Rattlesnake
fern, common grapefern Botrychium virginianum
Northern
adder's-tongue Ophioglossum pusillum
Order Polygonales
 Sweet-flag
Acorus americanus
Silvery-spleenwort,
silvery glade fern Deparia acrostichoides
Order Polypodiales
Western
polypody Polypodium hesperium
Polypodium
sibiricum
Order Pteridales
Western
maidenhair, Aleutian maidenhair Adiantum aleuticum
Venus's-hair
fern, southern maidenhair Adiantum capillus-veneris
Northern
maidenhair Adiantum pedatum
Indian's
dream Aspidotis densa
Slender
lip fern Cheilanthes feei
Lace
fern Cheilanthes gracillima
Cascade
parsley fern Cryptogramma cascadensis
Alaska
parsley fern Cryptogramma sitchensis
Slender
rock-brake or cliff-brake, Steller's rock-brake, fragile rock-brake
Cryptogramma stelleri
Pellaea
atropurpurea
Pellaea
gastonyi
Pellaea
glabella glabella
Pellaea
glabella occidentalis
Pellaea
glabella simplex
Pentagramma
triangularis triangularis
Order Schizeales
Cinnamon
fern Osmunda cinnamomea
Curly-grass
fern Schizaea pusilla
Horsetails
Division Sphenophyta
Order Sphenopsida
Equisetum
×ferrissii
Equisetum
×litorale
Equisetum
×mackaii
Field
horsetail, common horsetail Equisetum arvense
River
horsetail, pipes Equisetum fluviatile
Equisetum
hyemale affine
Smooth
scouring rush Equisetum laevigatum
Marsh
horsetail Equisetum palustre
Meadow
horsetail Equisetum pratense
Dwarf
scouring rush Equisetum scirpoides
Wood
horsetail Equisetum sylvaticum
Equisetum
telmateia braunii
Equisetum
variegatum alaskanum
Equisetum
variegatum variegatum
 
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