Guide to Liverworts of Oregon: Porella navicularis (Lehm. & Lindenb.) Pfieff.
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1b plants not peppery tasting > 2b underleaves sparsely toothed > 4a underleaf and lobule margins revolute > Porella navicularis
Synonym: NONE
Special Status: NONE
Recognition: Distinguished by the tight curl on the margins of the underleaves and lobules. The taste of fresh specimens is aromatic and not peppery on the tongue.
Distribution: On trees and rocks and low and middle elevations in western Oregon. On sand at the coast.
Comments: The most common species of the genus. It is the only liverwort found abundantly on oaks as well as in the canopy of old-growth Douglas-fir. It is rather variable in form and has been frequently misidentified in the past.
Colony on alder. McKenzie River, Lane Co., Oregon. DHW field photo.
Main shoot, ventral aspect. Eugene, Lane Co., Oregon. DHW m3115
Side branch, ventral aspect. Eugene, Lane Co., Oregon. DHW m3115
Ventral aspect, young perianth.
Lobe and lobule.
Shoot tip, ventral aspect. Goodman Creek, Lane Co., Oregon. DHW m1778b
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