Guide to Liverworts of Oregon: Key to Genera 49
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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 > 11a anisophyllous > 12b leaves lobed > 37b if rhizoids red, stems red > 38b shoots mostly <0.5 mm wide > 47a underleaves conspicuous > 48a underleaves small > 49
Nardia scalaris Goodman Creek, Jefferson Co., Washington. DHW m1116
49a Oil bodies prominent, more than 2.5X chloroplasts, solitary or 2-5 per cell, clear or granulose; underleaves usually prominent; shoots often wider than 1 mm
Nardia
Cephaloziella rubella, Bull Swamp, Klamath Co., Oregon. DHW 8993a
49b Oil bodies inconspicuous, about as small or smaller than the chloroplasts, several per cell, granulose; underleaves absent or very small; shoots usually much less than 1 mm wide
Cephaloziella