Webum > Science > Biology > Flora and Fauna > Plantae > Lycopodiophyta Isoetopsida Lycopodiopsida See also Science > Biology > Flora and Fauna > Plantae > Pteridophyta Introduction to the Lycophyta An introduction to club mosses and scale trees, their life history, morphology, ecology, systematics and fossil history. Phylum Lycophyta Includes phylum description, and links to images of members of the Lycopodiaceae, Isoetaceae and Selaginellaceae. Phylum Lycophyta Descriptions and images of Isoetes, Lycopodium, and Selaginella from the three extant families. Help build the biggest human edited directory on the internet Add your website - Open Directory Project - Become an editor