Guide to Liverworts of Oregon: Key to Genera 69
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<1a plants thallose > 2b chloroplasts numerous > 62a thallus tissue homogeneous > 63b thallus ribbon like > 65b ventral scales absent > 66b thallus without hairs > 67b Sex organs dorsal; 69
Moerckia hibernica, male plants; Gold Lake, Lane Co., Oregon. DHW m2272
69a Lacerate or toothed scales surrounding antheridia and archegonia; alpine only
Moerckia
(Female Pellia neesiana, Lincoln County, Oregon.)
69b Tubular or flap-like involucres protecting archegonia; antheridia in pits in dorsal surface,
widespread (including alpine)
Pellia