Monographs Details: Adiantum fragile var. rigidulum (Mett. ex Kuhn) Proctor
Authority: Proctor, George R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53: 1-389.
Description:Distribution and Ecology - General Distribution. Greater Antilles, Virgin Islands, and Lesser Antilles.Distribution in Puerto Rico. O f wide occurrence; recorded from Arecibo, Cabo Rojo, Isabela, Juana Diaz, Lares, Quebradillas, San Juan, Utuado, and Vega Alta; also Vieques. To be expected in many other areas. Virgin Islands. St. Croix, St. Thomas, St. John, and Tortola.Habitat. Shaded banks, ledges, and cliffs (often limestone) at low to upper middle elevations (10-800 m), common.

Distribution:Virgin Islands South America| Puerto Rico South America|