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The lycophytes are the oldest extant lineage of vascular plants and contains the club mosses and quillworts. As with the ferns, the gametophytic stage of growth is small and inconspicuous, with the sporophyte being the dominant stage of growth. Extant species are small and herbaceous, however, the fossil records show that many of their ancestors were trees.
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Introduction to the Lycophyta
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An introduction to club mosses and scale trees, their life history, morphology, ecology, systematics and fossil history.
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Lycopodiophyta
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Find out about this ancient plant division and its classes. From NodeWorks Encyclopedia.
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Phylum Lycophyta
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Includes phylum description, and links to images of members of the Lycopodiaceae, Isoetaceae and Selaginellaceae.
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Phylum Lycophyta
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Descriptions and images of Isoetes, Lycopodium, and Selaginella from the three extant families.
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