State-Listed Pteridophytes in Pennsylvania

These are the lycophytes, ferns and fern allies that are officially listed as rare by the State of Pennsylvania. The information is taken from the Pennsylvania Biological Survey Vascular Plants Technical Committee Page..

Key

True Ferns

Asplenium bradleyiBradley's spleenwortE
Asplenium pinnatifidumlobed spleenwortR
Asplenium resiliensblack-stalked spleenwortE
Cryptogramma stellerislender rock-brakeE
Cyrstopteris lauentianaLaurential bladder fernE
Lygodium palmatumHartford fernR
Dryopteris campylopteramountain wood fernE
Dryopteris celsalog fernE
Gymnocarpium appalachianumAppalachian oak fernE
Polystichum brauniiBraun's holly fernE
Gymnocarpium heterosporumoak fernX
 

Fern Allies

Ophioglossum engelmanniilimestone adder's-tongueE
Ophioglossum pycnostichumsoutheastern adder's-tongueX
Equisetum variegatumvariegated horsetailE
Equisetum ferrissiiscouring rushE
 

Lycophytes

Huperzia porophilarock clubmossE
Huperzia selagomountain clubmossX
Lycopodiella alopecuroidesfoxtail clubmossE
Diphasiastum sabinifoliumfir clubmossX