Lycopodium complanatum L. - Northern Ground Cedar


 

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Lycopodium complanatum - (image 1 of 3)

 

Taxonomy

Family: Lycopodiaceae

Habitat

Acid soil in woods and on rocky slopes.

Associates

 

Distribution

Circumboreal. Canada south MN to PA.

Morphology

Low evergreen from horizontal stems on the surface or just below soil level. Upright shoots branched, flattened, with annual constrictions. Leaves green, shiny, 4-ranked, upper leaves appressed, lateral leaves partially free with a spreading or incurved tip. Strobili to 2.5 cm long, terminal, blunt-tipped, in groups of 2 or solitary (occasionally to 4), on forked stalks.

Notes

Spores produced August to September

Wetland indicator: Facultative

Some authorities call this species Diphasiastrum complanatum (Linnaeus) Holub.   

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.

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 

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 2005