Key to Species: 15
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Racomitrium affine - Mt. Isabelle, Jackson Co., Oregon. DHW m0474.
15a Leaf margins typically unistratose, only infrequently with bistratose strips near leaf tips
Couplet 16
Racomitrium obesum - Oregon Caves, Josephine County, Oregon. T.C. Frye s.n.
15b Leaf margins bistratose, sometimes 3+ stratose, in one to several rows along upper part of leaf in most leaves
Couplet 18
Guide to Racomitrium of Oregon
Created 2007 Northwest Botanical Institute