Actinostachys pennula (Sw.) Hook.
Family: Schizaeaceae
Actinostachys pennula image
Kathy M. Davis, University of Florida Herbarium  
Plants extremely variable in size, 5--50 cm, those in leaf mold (only form known in flora) usually small, those in open sunny areas much larger. Leaves 1--60; rays 1--12, 4--40 mm; petioles 0.5--2 cm. 2 n = 168 (Trinidad).