Pursh (Diphasiastrum tristachyum)
Description
Diphasiastrum tristachyum, commonly known as blue clubmoss, blue ground-cedar, ground pine, deep-rooted running-pine or ground cedar, is a North American and Eurasian species of clubmoss.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Lycopodiophyta
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Class: Lycopodiopsida
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Order: Lycopodiales
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Family: Lycopodiaceae
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Genus: Diphasiastrum
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