Guide to Liverworts of Oregon: Key to Asterella 1
HOME SPECIES INDEX GENUS INDEX GLOSSARY
1a plants thallose > 2b chloroplasts numerous > 62b thallus tissue complex > 70b terrestrial > 72b pores differentiated > 73b gemmae absent > 75b trigones small or absent > 77b pores not stellate > 79b pores simple > 81b thallus mostly <8 mm wide > 82a receptacle conic > Asterella 1
Asterella bolanderi - California, Monterey Co. DHW m1231;
1a Sex organs, both antheridial pads and carpocephala, developing on small lateral branches; spores brown; barely reaching Oregon in Curry County.
Asterella bolanderi
Asterella californica - Kern River Canyon, Kern County, California. DHW 3077
1b Sex organs, both antheridial pads and carpocephala, developing on main branches of thallus; spores yellow, brown, or violet; distributed across Oregon.
(COUPLET 2)