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running pine,common name for the plant species Lycopodium clavatum, also called ground pine. See LycopodiophytaLycopodiophyta
, division of the plant kingdom consisting of the organisms commonly called club mosses and quillworts. As in other vascular plants, the sporophyte, or spore-producing phase, is the conspicuous generation, and the gametophyte, or gamete-producing phase, is minute.
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