Ophioglossum crotalophoroides Walter
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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
Ophioglossaceae
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Scientific Name
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Description
Species Description - Stems globose-bulbous, 3–11 mm diam.; roots unbranched; fronds 1–3 per stem, 2–5 cm long; sterile blades 0.8–4 x 0.8–2 cm, ovate, bases cordate, abruptly contracted, apices pointed to rounded; venation reticulate, not easily visible because of thick texture of blade, usually without included veinlets; fertile spikes 1–13 cm long, 0.5–8 times the length of the sterile blades.
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Discussion
Type. U.S.A. “Carolina,” Walter s.n. (BM?).
Ophioglossum crotalophoroides is distinct in its cordate blades, globose-bulbous rhizomes, and the presence of very few included veinlets.
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Distribution
Terrestrial in damp meadows, pastures and open pinelands; 1000–3350 m. Se USA; Mexico; Guat, Hond, Nic, CR; Hisp; Col, Ven, Ec, Peru, Bol, Chile, Arg, Uru.
Mexico North America| Uruguay South America| Argentina South America| Chile South America| Bolivia South America| Peru South America| Amazonas Ecuador South America| Venezuela South America| Colombia South America| West Indies| Costa Rica South America| Nicaragua Central America| Honduras Central America| Guatemala Central America|