Guide to Liverworts of Oregon: Key to Radula 2
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Radula 1a microphyllous branchlets lacking > Radula 2
Radula bolanderi. Left: Silver Falls State Park, Oregon; right: Oil bodies. Cape Perpetua, Lincoln County, Oregon. DHW m3091.1
2a Dioicous ( male patches striking because androecia look like tiny, elongate rattlesnake tails); dorsal lobe adnate to stem along inner margin; oil bodies nearly filling the cells
Radula bolanderi
Radula complanata. Left: Deer Creek, Lane County, Oregon. DHW m1617a; right: Oil bodies. Mount Pisgah Arboretum, Lane County, Oregon. DHW m3108
2b Paroicous ( male bracts conspicuous below perianths); dorsal lobe free, arching over the stem; oil bodies with space around them greater than half their width
Radula complanata