Guide to Liverworts of Oregon: Radula brunnea Steph.
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Radula 1a microphyllous branchlets present > Radula 3b leaf keel straight > Radula brunnea
Synonym: None.
Special Status: ORBIC List 2.
Recognition: Medium sized, dark brown plants with complicate-bilobed leaves, the larger lobe dorsal. Distinguished by the regular production of microphyllous branchlets in the axils of every leaf, hidden from above by the dorsal lobes.
Distribution: In thick mats on peaty ledges; cliffs near summit ridges of Saddle Mountain, Clatsop County.
Comments: Saddle Mountain is the only North American locality for this species; otherwise found in eastern Asia (Schofield and Godfrey 1979).
Saddle Mountain, Clatsop County. W.B.Schofield 68047.
Saddle Mountain, Clatsop County. W.B.Schofield 68047.
Saddle Mountain, Clatsop County. W.B.Schofield 68047 (UBC-in packet of Herbertus dicranus.