Horizontal stems surficial or nearly so; erect stems more regularly branched, the branches determinate, without annual constrictions, the branch- systems flattened and fan-shaped; cones 2-4+ cm, commonly (not always) with a slender sterile tip several mm, the typically 4 peduncles tending to be subumbellately clustered; otherwise much like no. 16 [Lycopodium complanatum L.]; 2n=46. Dry open woods or meadows; Nf. and Que. to Man. and Minn., s. to Ga., Tenn., and La. (L. dillenianum; L. flabelliforme; L. complanatum var. f.)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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