Key to Species: 1
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Racomitrium lanuginosum; Kenai NWR, Alaska. Ed Berg s.n. (21Jul2000)
1a Hair point long and conspicuous, densely papillose and with distinctive multicellular teeth on the edge, the teeth extending down the upper margin of the leaf as part of the hair point decurrency; leaf cells with flat topped thickening over the cross walls (true papillae according to Bednarek-Ochyra) but without high, conical papillae.
Racomitrium lanuginosum (Hedw.) Brid.
Racomitrium sudeticum; Cherry Peak, Klamath Co., Oregon. DHW 8117.
1b Hair point present or not; if hair point is present it may be papillose but never strongly dentate with multicellular teeth; leaf surface ornamentation various, from smooth to bearing raised streaks or ridges (pseudopapillose) to having high, conical papillae
Guide to Racomitrium of Oregon
Created 2007 Northwest Botanical Institute