Guide to Liverworts of Oregon: Key to SCAPANIA 2
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Scapania 1 oil bodies several per cell > Scapania 2
Scapania bolanderi, Lane Co., Oregon. DHW 3126
2a Teeth of dorsal lobe spaced more than twice as widely as teeth of ventral lobe; basal margin of dorsal lobe with compound cilia; often brownish but never red tinged (almost invariably on bark or rotten wood, very common)
Scapania bolanderi
Scapania americana, Male bract, Lane Co., Oregon. DHW s.n.
2b Teeth on both lobes more or less equally spaced, or leaves edentate; cilia absent at base of dorsal lobe though basal margins sometimes toothed; red pigmentation sometimes present; on various substrates
(Couplet 3)
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