Equisetophyta (Horsetails)

Equisetaceae

d

s

Equisetum arvense L. (Field Horsetail)

Lycopodiophyta (Clubmosses)

Lycopodiaceae

d

s

Lycopodium digitatum Dill. ex A. Br. (Running-Pine)

Polypodiophyta (Ferns)

Azollaceae

d

s

Azolla caroliniana Willd. (Mosquito-Fern)

Dennstaedtiaceae

d

s

Pteridium aquilinum (L.) Kuhn. (Common Brake)

Dryopteridaceae

d

s

Athyrium filix-femina (L.) Roth ex Mertens var. angustum (Willd.) Lawson (Lady Fern)

d

Diplazium pycnocarpon (Spreng.) M. Broun (Glade Fern)

d

s

Dryopteris carthusiana (Vill.) Fuchs (Spinulose Wood Fern)

d

s

Dryopteris intermedia (Muhl. ex Willd.) A. Gray (Common Wood Fern)

d

s

Gymnocarpium dryopteris (L.) Newm. (Oak Fern)

d

Matteuccia struthiopteris (L.) Todaro (Ostrich Fern)

d

s

Onoclea sensibilis L. (Sensitive Fern)

d

Polystichum acrostichoides (Michx.) Schott. (Christmas Fern)

Osmundaceae

d

Osmunda cinnamomea L. (Cinnamon Fern)

d

s

Osmunda regalis L. var. spectabilis (Willd.) A. Gray (Royal Fern)

Thelypteridaceae

d

Phegopteris connectilis (Michx.) Watt (Northern  Beech Fern)

d

s

Thelypteris noveboracensis (L.) Nieuwl. (New York Fern)

d

s

Thelypteris palustris Schott (Marsh Fern)