Guide to Liverworts of Oregon: Key to Metzgeria 1
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1a plants thallose > 2b chloroplasts numerous > 62a thallus tissue homogeneous > 63b thallus ribbon like > 65b ventral scales absent > 66a hairs on margin > Metzgeria 1
Marys Peak, Benton Co., Oregon. DHW
m2478.
1a Upper surface of thallus densely hairy.
Metzgeria pubescens
Metzgeria conjugata - Silver Falls, Coos Co., Oregon. DHW
m1560a
1b Hairs restricted to margins and underside of thallus.
(Couplet 2)