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Montana Field Guide

Montana Field Guides

Trailing Clubmoss - Lycopodium complanatum
Other Names:  Diphasiastrum complanatum

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Native Species

Global Rank: G5
State Rank: S3S4
C-value: 7


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Stems prostrate on or just below ground. Shoots 10–25 cm; branches strongly flattened. Leaves 4-ranked, appressed, clasping, overlapping; lateral pair linear, dorsal and ventral much shorter. Strobili 1 to 3, pedunculate, 1–9 cm long. Sporophylls 2–3 mm long, fan-shaped with an abrupt point. Shoots resemble twigs of western redcedar (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
In MT in the northwestern counties; AK to Greenland South to OR, MT, WI and NY (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 46

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Moist forests, especially cedar-hemlock; montane and lower subalpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
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Citation for data on this website:
Trailing Clubmoss — Lycopodium complanatum.  Montana Field Guide.  .  Retrieved on , from