Thelypteris Thelypteris, (L.) Slosson

3. T. phegopteris (L.) Slosson View in CoL in Rydb., Fl. Rocky Mount. 1069 (1918)

( Dryopteris phegopteris (L.) C. Chr. , Lastrea phegopteris (L.) Bory , Nephrodium phegopteris (L.) Prantl , Phegopteris vulgaris Mett. , Polypodium phegopteris L. ).

Rhizome slender, creeping, with light brown, hairy, lanceolate scales when young. Leaves 10-50 cm, solitary, pinnate; petiole up to twice as long as lamina, greenish-yellow, sparsely covered with colourless hairs and occasional brown scales; lamina 5-15 cm wide, triangular-ovate, thin, yellow-green, bent back almost at right angles to petiole; pinnae lanceolate, attenuate, pinnatisect, the lowest deflexed; segments linear-oblong, entire or crenate, rounded at apex, hairy on both surfaces, with narrow lanceolate scales on veins. Indusium absent; spores rugulose-granulate. 2« = 90. Shady places. Most of Europe, but rare in the south. Au Be Br Bu Co Cz Da Fa Fe Ga Ge Gr Hb He Ho Hs Hu Is It Ju No Po Rm Rs (N, B, C, W) Su.