State-Listed Pteridophytes in Maryland

These are the lycophytes, ferns and fern allies that are officially listed as rare by the State of Maryland. The information is taken from the Maryland Department of Natural Resources' Rare, Threatened, and Endangered Plants of Maryland List..

True Ferns

Asplenium bradleyiBradley's SpleenwortG4SHX
Asplenium pinnatifidumLobed SpleenwortG4S1E
Asplenium resiliensBlack-stem SpleenwortG5S1E
Asplenium ruta-murariaWall-rueG5S3 
Cystopteris bulbiferaBulblet FernG5S3 
Cystopteris tennesseensisTennessee Bladder-fernG5S1 
Diplazium pycnocarponGlade FernG5S2T
Dryopteris campylopteraMountain Wood-fernG5S1E
Dryopteris celsaLog FernG4S3 
Dryopteris clintonianaClinton's Wood-fernG5S1E
Dryopteris goldianaGoldie's Wood fernG4S 
Gymnocarpium dryopterisOak FernG5S1E
Lygodium palmatumClimbing FernG4S2T
Matteuccia struthiopterisOstrich FernG5S2 
Pellaea glabellaSmooth CliffbrakeG5S1E
Phegopteris connectilisNorthern Beech FernG5S2 
Pleopeltis polypodioidesResurrection FernG5S3 
Thelypteris simulataBog FernG4G5S2T
Woodsia ilvensisRusty WoodsiaG5S1T
 

Fern Allies

Equisetum fluviatileWater HorsetailG5S1E
Equisetum sylvaticumWood HorsetailG5S1E
Botrychium lanceolatum var. angustisegmentumTriangle Grape-fernG5SHX
Botrychium matricariifoliumMatricary Grape-fernG5SU 
Botrychium multifidumLeathery Grape-fernG5SHX
Botrychium oneidenseBlunt-lobe Grape-fernG4QS1E
Botrychium simplexSmall Grape-fernG5SHX
 

Lycophytes

Huperzia porophilaRock ClubmossG4SX 
Isoetes engelmanniiAppalachian QuillwortG4S3 
Isoetes ripariaRiverbank QuillwortG5?SU 
Lycopodiella carolinianaCarolina ClubmossG5S1E
Lycopodiella inundataBog ClubmossG5S2 
Lycopodium tristachyumGround-cedarG5S3