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Montana Field Guide

Montana Field Guides

Ladyfern - Athyrium filix-femina


Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
In MT across the western third of the state; circumboreal south to CA and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 157

(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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).)

References
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Citation for data on this website:
Ladyfern — Athyrium filix-femina.  Montana Field Guide.  .  Retrieved on , from