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Western Polypody - Polypodium hesperium
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: 105
(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
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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