Spikemoss

Spikemoss refers to any plant of the genus Selaginella in the family Selaginellaceae. Many workers still place the Selaginellales in the class Lycopsida (modern nomenclature: Lycopodiopsida). This group of plants are included in what, for convenience, is called "fern allies".

The spikemosses are creeping or ascendant plants with simple, scale-like leaves on branching stems from which roots also arise. The plants are heterosporous (megaspores and microspores), and have structures called ligules, scale-like outgrowths near the base of the upper surface of each microphyll and sporophyll.

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