Male Fern - Dryopteris filix-mas
MNPS Threat Rank
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)
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).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
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)
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.