The Collaborative International Dictionary
Lycopodiaceous
Lycopodiaceous \Ly`co*po`di*a"ceous\, a. (Bot.) Belonging, or relating, to the Lycopodiace[ae], an order of cryptogamous plants (called also club mosses) with branching stems, and small, crowded, one-nerved, and usually pointed leaves.
Wiktionary
lycopodiaceous
a. Of or pertaining to the family Lycopodiaceae of club mosses.