Guide to Liverworts of Oregon: Key to Genera 12
1b plants leafy > 3b leaves not divided, not ciliate > 6a oil bodies 2+ or unknown > 7b no small dorsal lobe > 10a succubous > 11a anisophyllous > 12
Left: Jungermannia rubra (juvenile shoot), Lane Co., Oregon. DHW 7761. Right: Gyrothyra underwoodiana, South Slough, Coos Co., Oregon. DHW m2428a.
12a Leaves round to ovate, some species with occasional leaves retuse or emarginate, some withwavy or minutely dentate margins
(Couplet 28)Left: Chiloscyphus coadunatus, Coos Co., Oregon. DHW 9330. Right: Anastrophyllum minutum, Kenai Peninsula, Alaska. Berg B091.
12b Leaves regularly lobed (leaf tip notched); the sinus (notch) between the lobes shallow to deep;the leaf lobes round to pointed, equal to quite unequal
(Couplet 37)
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