Spike Moss
Taxonomy, Major Species, & Facts
spike moss, (family Selaginellaceae), family of more than 700 species of mossy or fernlike seedless vascular plants of the order Selaginellales. The family consists of a single genus, Selaginella. They are widely distributed in all parts of the world, particularly in the tropics. Many are forest plants; some grow on trees, but others thrive in dry or seasonally dry areas. (See also lycophyte and lower vascular plant.)
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