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.
