PSILOTACEAE (Whisk fern family)

Psilotum nudum (L.) Beauv. whisk fern [US; Illinois; Jackson County; Carbondale; T9S, R1W, S28; 37 deg. 42.883'N, 89 deg. 13.328'W; 450 feet][Fern House, Plant Biology Greenhouse, Southern Illinois University; January 4, 2004; Collected by Chuck Walker; Identified by Richard Cole; #IL564]