Lycopodium lucidulum Michx. - Shining Club Moss


 

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Lycopodium lucidulum - (image 1 of 3)

 

Taxonomy

Family: Lycopodiaceae

 

Many authorities now call this species Huperzia lucidula (Michx.) Trevis.

Habitat

Cool, moist woods, stream banks. Also swamp margins in organic, subacid soil or epipetric.

Associates

In young woods of Acer rubrum and Sassafras albidum it grows with Lycopodium clavatum and Lycopodium obscurum.

Distribution

 

Morphology

Low evergreen from horizontal stems, erect portions to 25cm high. Leaves irregular reflexed to spreading, elliptic-oblanceolate, shiny, to 1.5mm long and 2mm wide, sparsely tooth at the apex. Gemmae (vegetative buds) minute, flattened, apiculate-lobed, on small branch-like structure along the stems. Sporangia borne along the stems in pouch-like structures in the axils of leaves..

Notes

Produces spores from early June to early September.

Wetland indicator: Facultative +

This species differs from other club mosses in that the spores are not in terminal cones but borne along the stem. The gemmae can detach from the stem and form new plants.   

References

Lellinger, D. B. and M. Evans. 1985. A Field Manual of the Ferns & Fern Allies of the United States and Canada.
Smithsonian Institution Press. Washington, D.C.

 

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

 


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 Michael Hough 2005