An introduction to club mosses and scale trees, their life history, morphology, ecology, systematics and fossil history.

Find out about this ancient plant division and its classes. From Wikipedia.

Includes phylum description, and links to images of members of the Lycopodiaceae, Isoetaceae and Selaginellaceae.

Descriptions and images of Isoetes, Lycopodium, and Selaginella from the three extant families.