Key to Species: 6
HOME | 1b hair points not dentate >2b high, conical papillae lacking > 5a leaves muticous > 6
Racomitrium varium; Canton Creek Reserve, Douglas Co., Oregon. Figura s.n. 1998.
6a Alar and supra alar margins with a pellucid border of 10-20 cells, these rectangular to elongate, thin walled, most often a single row but sometimes in more than one row
Couplet 7
Racomitrium aciculare - Idaho County, Idaho. DHW 802
6b Thin walled marginal cells, if present, fewer than 10 and confined to alar region, not extending up supra alar margins
Couplet 8