Flora of North America species comparison

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Woodsia scopulina subsp. scopulina
Photo is of parent taxon

mountain cliff fern, mountain fern, Rocky Mountain cliff fern, Rocky Mountain woodsia
Pinnae

with longest hairs composed of 2–5 cells.
Spores

averaging 42–50 µm. 2n = 76.
Scales

of stems and petiole bases usually concolored or with a few isolated, dark, occluded cells, scales ovate-lanceolate.
Indusial

segments narrow, often filamentous distally.

Woodsia scopulina subsp. scopulina
Phenology Sporulating summer–fall.
Habitat Cliffs and rocky slopes, found on variety of substrates including both granite and limestone
Elevation 100–4000 m (300–13100 ft)
Distribution
from FNA
AK; CA; CO; ID; MT; NV; OR; UT; WA; WY; AB; BC; SK; YT
Discussion

Woodsia scopulina subsp. scopulina is known to hybridize with subsp. laurentiana at localities where the two grow in close proximity. The resultant triploids have malformed spores and appear to be sterile.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 2.
Parent taxa Dryopteridaceae > Woodsia > Woodsia scopulina
Sibling taxa
W. scopulina subsp. appalachiana, W. scopulina subsp. laurentiana
Name authority D. C. Eaton
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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