Monographs Details: Asplenium serra Langsd. & Fisch.
Authority: Proctor, George R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53: 1-389.
Description:Species Description - Rhizome woody, 8-14 mm thick, densely clothed (together with the stipe bases) with iridescent gray-brown, lance-attenuate scales up to 15 mm long. Fronds arching, up to 1.5 m long; stipes relatively short and stout, subquadrangular, brown to purple-brown. Blades oblongacuminate, 40-120 cm long, 15-40 cm broad, 1-pinnate; rhachis like the stipe, bearing scattered clathrate, lance-attenuate scales with hairlike tips; pinnae numerous, linear-caudate to lance-attenuate, short-stalked, 8-20 cm long, 1-3 cm broad, unequally cuneate at base, the margins variously senate or incised; veins oblique, 2- to 4-forked; tissue dark green, opaque. Sori 5-20 mm long, forming a row close to the costa on either side; indusium firm, translucent, entire.
Type. Langsdorff, from Santa Catarina, Brazil (isotype Herb. Willd. 19880, B, photo US).
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