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Ferns, lycophytes, and their extinct free-sporing relatives
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Rare pteridophytes of Pennsylvania
Rare pteridophytes of Pennsylvania
Sensitive species checklist for:
Pennsylvania
more detail
Locality:
Pennsylvania
less detail
Families
: 8
.
Genera
: 13
.
Species
: 23
.
Total Taxa
: 23
.
Page
1
of
1
:
1
ASPLENIACEAE
Asplenium bradleyi
Asplenium resiliens
CYSTOPTERIDACEAE
Cystopteris laurentiana
Cystopteris tennesseensis
Gymnocarpium appalachianum
Gymnocarpium x heterosporum
DRYOPTERIDACEAE
Dryopteris campyloptera
Dryopteris celsa
Dryopteris clintoniana
Dryopteris filix-mas
Polystichum braunii
EQUISETACEAE
Equisetum scirpoides
Equisetum variegatum
Equisetum x ferrissii
ISOETACEAE
Isoetes appalachiana
LYCOPODIACEAE
Diphasiastrum sabinifolium
Huperzia porophila
Lycopodiella alopecuroides
Lycopodiella appressa
Lycopodiella margueritae
OPHIOGLOSSACEAE
Ophioglossum engelmannii
PTERIDACEAE
Cryptogramma stelleri
Vittaria appalachiana
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