Guide to Liverworts of Oregon: Key to Genera 15
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1b plants leafy > 3b leaves not divided, not ciliate > 6b oil bodies solitary/absent > 13a oil bodies present > 14b oil bodies brown > 15
Scapania gymnostomophila, Multnomah Co., Oregon. DHW 2249 (Dorsal view. Note: Specimen preserved in glycerine, which has caused oil bodies to dissipate.)
15a Leaves bilobed, the dorsal lobe much smaller than the ventral lobe; very rare
Scapania gymnostomophila
Radula complanata (Viewed from below, showing ventral lobes.)
15b Leaves bilobed, the dorsal lobe much larger than the ventral lobe; widespread in western
Oregon
Radula