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Ladyfern - Athyrium filix-femina
Native Species
Global Rank:
G5
State Rank:
S4
C-value:
5
Agency Status
USFWS:
USFS:
BLM:
External Links
General Description
Leaves ascending or erect, 15–150 cm long, petiole much shorter than the blade. Leaf blade narrowly elliptic, twice pinnate. Sori borne between midvein and margin of pinnule. Indusium often curved with marginal hairs, opening along one edge, deciduous as spores mature (
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 across the western third of the state; circumboreal south to CA and CO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 1378
(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 forest, margins of meadows, along streams, avalanche slopes; 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.
- 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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