Guide to Liverworts of Oregon: Key to Cephalozia 5
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Cephalozia 1a sinus >0.5 of leaf > Cephalozia 2b leaf cells longer than 35 μm long > Cephalozia 5
Opal Creek, Marion Co., Oregon. DHW
m2129a
5a Plants minute, less than 0.5 mm wide; leaves bifid 0.7-0.8 their length; leaves mainly triangular, 4-7 cells wide at widest point.
Cephalozia lacinulata
Cephalozia bicuspidata, Skamania Co., Washington. DHW 7813.
5b Plants small, 0.6-1.2 mm wide; leaves bifid 0.5-0.6 their length; leaves ovate, 8-20 cells wide.
(COUPLET 6)