Guide to Liverworts of Oregon: Key to Genera 7
1b plants leafy > 3b leaves not divided, not ciliate > 6a oil bodies 2+ or unknown > 7
Left: Scapania bolanderi, Lane Co., Oregon. DHW 3162; right:Scapania undulata, Mesa Creek, Lane Co., Oregon. DHW m1772b.
7a Leaves deeply bilobed, dorsal lobe smaller and folded over the larger ventral lobe.
(Couplet 8)Porella cordaeana, Snow Lakes, Klamath Co., Oregon. DHW 8428
7b Leaves lobed or not; if bilobed, the lobes equal or the dorsal lobe much larger than the ventral lobe.
(Couplet 10)
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