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Montana Field Guide

Montana Field Guides

Western Polypody - Polypodium hesperium

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Status Under Review
Native Species

Global Rank: G5
State Rank: S3?
(see State Rank Reason below)
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

External Links

State Rank Reason (see State Rank above)
Over 30 collections at MONTU from 7 western Montana counties.
 
General Description
Small plants with long, creeping, scaly rhizomes. Leaves scattered, monomorphic, 3–35 cm long with a petiole shorter than the blade. Leaf blade glabrous, somewhat leathery, lanceolate, once pinnately lobed almost to the rachis, with shallowly toothed or wavy margins. Sori circular, borne midway between midvein and margins of leaf divisions. Indusium absent (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 from Lincoln to Glacier counties south to Ravalli County; BC and AB to Mexico (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 92

(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 to wet, usually moss-covered boulders, cliffs; valleys to 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.
  • Web Search Engines for Articles on "Western Polypody"
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Citation for data on this website:
Western Polypody — Polypodium hesperium.  Montana Field Guide.  .  Retrieved on , from