Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.
Dryopteridaceae
Species Description - Rhizomes long-creeping, ca. 1 mm diam.; rhizome scales ovatelanceolate, orange, ca. 3 mm long, entire; fronds usually 4–8 mm apart, 5–15 x 0.6–1.1 cm; phyllopodia absent; stipes ca. 1/4(–1/2) the frond length, with orange, ovate, somewhat spreading scales 2 mm long; blades narrowly elliptic, coriaceous, bases cuneate, apices obtuse; veins obscure, free, simple or once-forked, ca. 0.8 mm apart, at ca. 60ºangle to costa; hydathodes absent; blade surfaces glabrous or with a few ovate scales on the abaxial costae; fertile fronds exceeding the sterile fronds, stipes 1/2–3/4 the frond length, blade narrow, to 4 mm wide, scales absent on the abaxial surfaces.
Acrostichum revolutum Liebm., Mexic. Bregn. 163 (reprint 11). 1849. Lectotype (chosen by Mickel & Beitel, 1988: 181). Mexico. Oaxaca: Chinantla, Lobani to Petlapa, Liebmann s.n. [Pl. Mex. 2427, Fl. Mex. 4] (C!; isolectotypes BM, US!, frag. NY!).
Acrostichum rampans Baker in Hooker & Baker, Syn. Fil., ed. 2, 518. 1874. Elaphoglossum rampans (Baker) Christ, Monogr. Elaph. 56. 1899. Type. Cuba. Wright 3959 (K!; isotypes NY!, P!).
Elaphoglossum revolutum is closely allied to E. squamipes and E. peltatum, as evidenced by the rhizome habit, scales, and spores. It is distinguished from E. affine, E. tenuifolium, and small specimens of E. guatemalense by the orange, ovatelanceolate rhizome scales and the lack of phyllopodia, and from E. squamipes by the generally more elliptic blades and occurrence at much lower elevations.
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