Guide to Liverworts of Oregon: Key to Genera 43
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1b plants leafy > 3b leaves not divided, not ciliate > 6a oil bodies 2+ or unknown > 7b no small dorsal lobe > 10a succubous > 11a anisophyllous > 12b leaves lobed > 37b if rhizoids red, stems red > 38a shoots wider than 1 mm > 39a underleaves conspicuous > 40b underleaves narrow to lanceolate > 43
Harpanthus flotovianus - 3 Sisters Wilderness, Lane Co., Oregon. DHW
m1774
43a Underleaves uniformly lanceolate
(Couplet 44)
Left: Lophozia heterocolpos - Wahkeena, Multnomah Co., Oregon. DHW m1347c. Right: Rivulariella gemmipara - Three Sisters Wilderness, Lane Co., Oregon. DHW
m1769.
43b Underleaves small and narrow, or flap-like and varying to round-lobed
(Couplet 45)