Trichomanes godmanii Hook.
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Authority
Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.
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Family
Hymenophyllaceae
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Scientific Name
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Description
Species Description - Rhizomes slender, 0.1–0.2 mm diam., long-creeping; rhizome hairs dense, brown, 1 mm long; roots absent; fronds 1–2.5 cm long, distant; stipes 1/10–1/4 the frond length, with dense, whitish brown hairs 0.8–1 mm long; blades round to ovate, 1–2 cm wide, margins glabrous, subentire, undulate, bases cuneate, apices rounded, membranaceous, glabrous; major veins free, connected by a continuous submarginal vein, false veins abundant, lying between the true veins, both parallel with and perpendicular to the true veins; sori near blade apices; involucres 1–1.5 x 0.8 mm, wholly immersed, mouths flaring, not dark-margined, not bilabiate.
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Discussion
Lectotype (chosen by Wessels Boer, 1962: 319). Guatemala. Salvin & Godman s.n. (K!, frag. US!).
The perpendicular false veins distinguish this taxon from T. ekmanii, the only other Mexican small, glabrous species with a submarginal vein.