Mickel, John T. & Smith, Alan R. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88: 1-1054.
Dryopteridaceae
Species Description - Differing from var. occidentale by the black to dark reddish brown (vs. orange-tan) blade margin scales and its occurrence in southern and eastern (vs. western) Mexico.
Acrostichum crinitum M. Martens & Galeotti, Me´m. Foug. Mexique 25. 1842, hom. illeg., non L., 1753. Acrostichum blepharodes Fe´e, Me´m. Foug. 2: 48, pl. 24, f. 3. 1845, nom. nov. Elaphoglossum blepharodes (Fe´e) T. Moore, Index Fil. 7. 1857. Type. Mexico. Veracruz: Zacuapa´n, Galeotti 6297 (P, not found; isotype BR!).
Acrostichum nitidum Liebm., Mexico. Bregn. 168 (reprint 16). 1849. Elaphoglossum fimbriatum T. Moore, Index Fil. 356. 1862, nom. nov., non Elaphoglossum nitidum Brack., 1854. Type. Mexico. Puebla: Chinautla, Liebmann s.n. [Pl. Mex. 2421] (C!; isotypes P!, US!).
Acrostichum mexicanum E. Fourn., Mexic. Pl. 1: 63. 1872. Syntypes. Mexico. Puebla: Chinautla, Tizutla´n, Liebmann s.n. (P!; isotype K!); Veracruz: Misantla, Hahn s.n. (P!).
Elaphoglossum erinaceum belongs to a very perplexing group. The Mexican material shows considerable variation in blade size and relative width, rhizome scale size and color, degree of scaliness, and habitat. Further study may show this material to represent more than one taxon. Of special note are Mickel 1083 and 5646 (both Oaxaca, NY), which have very large blades (8.5–10 cm wide, 45–50 cm long), long stipe scales (4–8 mm) and large rhizome scales (ca. 1 cm long and 2 mm wide). These may in fact represent a distinct species, in which case the name would be E. fimbriatum T. Moore.
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