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1. Odontosoria clavata (Linnaeus) J. Smith, Hist. Fil. 264. 1875.
Wedgelet fern
Adiantum clavatum Linnaeus, Sp. Pl. 2: 1096. 1753; Sphenomeris clavata (Linnaeus) Maxon; Stenoloma clavatum (Linnaeus) Fée
Stems short-creeping, scales very narrow, dark brown, leaves closely spaced. Blade oblong, ca. 10--25 cm; ultimate segments narrowly elongate-cuneate, often 1--1.5 cm × 0.5--2 mm, papery, apically denticulate especially when sterile. Sori on 1--8 vein endings; indusia erose at distal margin. Spores trilete. 2 n = 76.
Calcareous soil, sinks and pinelands; 0 m; Fla.; s Mexico; West Indies in Bahamas, Greater Antilles.
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