Guide to Liverworts of Oregon: Key to Genera 51
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1b plants leafy > 3b leaves not divided, not ciliate > 6a oil bodies 2+ or unknown > 7bno small dorsal lobe > 10a succubous > 11a anisophyllous > 12b leaves lobed > 37b if rhizoids red, stems red > 38b shoots mostly <0.5 mm wide > 47b underleaves inconspicuous > 50a shoots julaceous > 51
Gymnomitrion obtusum - Left: Golden Falls, Coos Co., Oregon. DHW m1603a. Right: Stone Chair Trail, Coos County, Oregon. DHW m0015a.
51a Plants pale green or whitish
Gymnomitrion
Marsupella bolanderi Monterey Co., California. DHW m1230.
51b Plants dark green to brown or even blackish
Marsupella