Guide to Liverworts of Oregon: Key to Genera 8
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HOME > 1b plants leafy > 3b leaves not divided, not ciliate > 6a oil bodies 2+ or unknown > 7a bilobed, small dorsal lobe > 8
Dounia ovata, Oregon. DHW 2253
8a Leaf lobes sharply pointed, gradually narrowed to tips, lanceolate to acutely triangular; lobe
margins entire; perianth more or less terete, plicate, usually white tipped; gemmae absent
Douinia ovata
(Left:Scapania bolanderi, Lane Co., Oregon; right: Scapania americana, Lane Co., Oregon. DHW 0000)
8b Leaf lobes usually rounded, occasionally mucronate or abruptly narrowed, sometimes pointed if
lobe margins dentate; perianth compressed or terete, green or reddish at tip; gemmae sometimes
present.
(Couplet 9)