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Related to ground pine: Lycopodium, horsetail, ground cedar
ground pine,common name for several creeping plants, particularly species of club mossclub moss,
name generally used for the living species of the class Lycopodiopsida, a primitive subdivision of vascular plants. The Lycopodiopsida were a dominant plant group in the Carboniferous period, when they attained the size of trees, and contributed to the coal deposits
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