Guide to Liverworts of Oregon: Key to Chiloscyphus
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1 plants leafy > ... 12 leaves entire ...33 underleaf lobes ciliate > Chiloscyphus
Jack Creek, Jefferson County, Oregon, DHW m1344.
1a Oil bodies 2 per cell in at least 80% of median leaf cells, less than 20% with 3 or more oil bodies in midleaf cells; male bracts well differentiated from vegetative leaves; dark olive green, on sticks or rocks, usually submerged
Chiloscyphus polyanthos
. Left: male shoot; Right: midleaf oil bodies. Stream flowing into Sparks Lake, Deschutes County, OR. DHW m3122a.
1b Oil bodies mostly more than 3 per median leaf cell; male bracts little differentianted, with only a small pouch at base enclosing antherida; pale whitish green, on soil or organic substrate near water
Chiloscyphus pallescens