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Montana Field Guide

Montana Field Guides

Male Fern - Dryopteris filix-mas


Global Rank: G5
State Rank: S3S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 6

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General Description
Male fern Leaves monomorphic, 15–100 cm long, petiole up to 1/3 length of blade. Leaf blade narrowly elliptic, green, twice pinnate at the base, not glandular. Pinnules downward- and upward-pointing ones ca. equal. Indusium lacking glands (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
In MT in western counties east to Carbon County; circumboreal to AZ, NM, WI, ON, and NS (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 15

(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
Mesic forests and in moist to wet rock crevices, often along streams and beneath tall shrubs; montane 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:
Male Fern — Dryopteris filix-mas.  Montana Field Guide.  .  Retrieved on , from