Lycopodium annotinum L. - Stiff Clubmoss


 

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Lycopodium annotinum - (image 1 of 3)

 

Taxonomy

Family: Lycopodiaceae

Habitat

Moist, acid coniferous forests and exposed grassy or rocky sites. Often at high elevation.

Associates

 

Distribution

New England to NC, TN in mountains, west through MI, northern WI and MN to AK and some western states. Most of Canada. Circumboreal.

Morphology

Perennial from horizontal, sparsely leafy stems. Upright shoots mostly unbranched, in clusters. Leaves spreading to reflexed, linear, upper half serrate; apex spinulose without hair tip. Strobili sessile, solitary, terminal, to 3 cm long.

Notes

Strobili present mid-summer into fall.

Wetland indicator: Facultative

Similar to L. clavatum but much less branched.   

Bibliography

Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY.

 

USDA, NRCS. 2002. The PLANTS Database, Version 3.5 (http://plants.usda.gov).

National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

 


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 Michael Hough 2009