Guide to Liverworts of Oregon: Key to Genera 70
1a plants thallose > 2b chloroplasts numerous > 62b thallus tissue complex > 70
Thallose liverworts with differentiated tissue
Ricciocarpus natans, (stranded form) Fern Ridge Reservoir, Lane Co., Oregon. DHW m1752
70a Free-floating aquatics, sometimes stranded on mud by receding water
(Couplet 71)
Mannia gracilis, Skamania County, Washington. DHW photo.
70b Terrestrial plants growing attached to the substrate
(Couplet 72)
Copyright 2006 Northwest Botanical Institute