Guide to Liverworts of Oregon: Key to Genera 25
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1b plants leafy > 3b leaves not divided, not ciliate > 6a oil bodies 2+ or unknown > 7b no small dorsal lobe > 10a succubous > 11b isophyllous > 25
Left:Herbertus sakuraii, Clatsop Co., Oregon. W.Schofield 68047; right: Anthelia juratzkana, Lane Co., Oregon. DHW 2584.
25a Leaves and underleaves bifid to below the middle, the lobes acuminate; leaves mostly
imbricate
(Couplet 26)
Left: Haplomitrium hookeri from Frye & Clark 1943, p. 172. Right: Hygrobiella laxiflora Vancouver, B.C. Canada. Schofield 13,376.
25b Leaves and underleaves entire to bilobed, when bilobed the sinus hardly reaching the middle
of the leaf and the lobes rounded to obtuse; leaves usually remote, hardly overlapping, spreading
(Couplet 27)