This section is from the book "Wild Flowers Of The North American Mountains", by Julia W. Henshaw. Also available from Amazon: Wild Flowers of the North American Mountains.
Rootstock: covered with brown scales lined with black. Stems: densely tufted. Leaves: ovate-lanceolate in outline, two-pinnate, with the pinnules pinnatifid, the upper surface tomentose, the lower densely matted with whitish-brown woolly hairs.
A small rock-loving fern, which grows in dense mats, with much-divided leaves, and the fruit dots placed at the ends of the veins.
 
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