UCR - University of California, Riverside Herbarium - Vascular Plants (UCR)
UCR0099622
UCR-BPS-223494
UCR-223494
Mentzelia congesta Torr. & Gray
Loasaceae
Joshua M. Brokaw (2014 May)
R.G. Swinney
11074
2009-06-08
2009-6-8
United States, California, Los Angeles, Horse Flats, 1 air mile NNW of Newcomb’s Ranch at Hwy 2/Angeles Crest Hwy
34.34278 -118.01
T3N R11W sec14
1720 meters (5642ft)
Flats with shallow channel with areas of surface water; yellow pine forest and chaparral with riparian vegetation along central channel, with Pinus jeffreyi, Quercus chrysolepis, Q. wislizeni (mostly at margins), Artemisia tridentata, Eriastrum densiflorum, Cercocarpus, Eriogonum fascic. polif.