Guide to Liverworts of Oregon: Riccia glauca L.
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Riccia 1b terrestrial > Riccia 2b marginal projections lacking > Riccia 5b surface smooth > Riccia 7b upper surface groove shallow > Riccia 8b ventral scales pale > Riccia 9a dorsal groove absent > Riccia glauca
Synonym: None.
Special Status: None.
Recognition: Small thalli with only a slight groove at the apex. Spores reticulate on distal face, with projections at the junctions of the nets.
Distribution: On soil of roadcuts; most common in SW Oregon.
Comments: Probably widespread; these plants have been largely overlooked.
Goodman Creek, Lane Co., Oregon. DHW
m1780