Key to Species: 16
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Racomitrium heterosticha; Red Ponds, Douglas Co., Oregon. DHW 7935.
16a Costa 2 stratose from base to above middle, costa shallowly canaliculate adaxially and relatively flat abaxially; awns not notably decurrent; leaves mostly less than 3.5 mm long; common and widespread
Racomitrium heterostichum (Hedw.) Brid.
Racomitrium affinis; Mt. Isabelle, Jackson Co., Oregon. DHW m0474.
16b Costa 2-3 stratose, narrowly channeled adaxially and strongly convex on back; awns sometimes strongly decurrent; leaves sometimes longer than 4 mm
Couplet 17
Guide to Racomitrium
Created 2007 Northwest Botanical Institute