Fissidens radicans Montagne 1840

Fissidens radicans Mont. Ann. Soc. Nat. II
14: 345. 1840.
Fissidens santa-clarensis var. obtusifoUus Bizot & Th^r.; Th6r. Mem. Soc. Cub. Hist. Nat. 13: 210. 1939.
Distinguished from F. Donnellii as follows: plants as a rule a little larger, more often branching by innovations; leaves narrowly oblong and of nearly uniform width until near the obtuse apex; leaf-cells more regular, smaller, rarely over 8 m in diameter, less angular, mamillosebulging rather than papillose, the marginal cells smaller and less acute, not more strongly creuulate on the vaginant laminae than near the apex; sporophyte terminal or occasionally on a short lateral branch.
Type locality: French Guiana.
Distribution: Southern United States to South America; Puerto Rico.