Adiantum hispidulum
Adiantum hispidulum Swartz, Rough Maidenhair, reported by Wagner only from O'ahu, Maui, and Hawai'i, is now established on all of the Islands. D. LeRoy Topping first collected this species in the wild in Pauoa Valley, Honolulu, O'ahu, in 1923, where it wasgrowing among rocks, lantana and guava bushes (Topping 2634, BISH). This species, easily recognized by the pedately divided blades, is native to Asia, Africa, India, Australia, and the Pacific. Now widely naturalized in Hawai'i, it grows in dry, sunny, and rocky slopes and woods.
