Guide to Liverworts of Oregon: Key to Jungermannia 5
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Jungermannia 1a perianth exserted > Jungermannia 2b perianth fusiform, plicate > Jungermannia 3b perianth fusiform, not beaked > Jungermannia 5
Left: 3 Sisters Wilderness, Lane Co., Oregon. DHW
m1769aRight: Dorsal aspect, Opal Creek, Marion County, Oregon. DHW 2568.
5a Leaves cordate to widely ovate, clasping the stem at base, wider than long; plants dioicous; attached to rocks submerged in running water
5aa leaves dark green, rounded triangular; flagelliform shoots absent
Jungermannia exsertifolia
5ab leaves pale green, many with border of cells with dark walls; flagelliform shoots absent
Jungermannia fusiformis (Solenostoma fusiforme)
Jungermannia schusteriana (Solenostoma schusteriana)
Jungermannia atrovirens, Lane Co., Oregon. DHW m2064
5b Leaves ovate, spreading, not clasping the stem; sexuality various; on rocks in splash zone of small streams or in still water
(Couplet 6)