University of California, Riverside Plant Herbarium (UCR)
UCR0037241
UCR-BPS-271215
UCR-271215
Mentzelia laevicaulis (Dougl. ex Hook.) Torr. & Gray
Loasaceae
R.G. Swinney
15705
2011-09-27
2011-9-27
United States, California, Los Angeles, Dorr Canyon, 0.52 mile due N of Throop Peak, 1 road-mile SE of Dawson Saddle, from road to 150 m up canyon bottom
34.35722 -117.79889
T3N R9W sec11
2354 meters (7721ft)
Canyon w/ flowing water from spring, riparian vegetation in Transition Zone, dominants incl. Mimulus car., Salix lae., Drymocallis gl., Eriogonum sax., Ericameria, Ribes nev., Epilobium can., & Penstemon lab., also w/ Silene pa., Holodiscus, Platanthera d., Eriogonum da., Juncus du., Oxytheca pa., Dodecatheon re., etc.