Retired after 31 years as lead Botanist for the Nevada Division of Natural Heritage in Carson City, Nevada, 1991-2022. Now an Affiliate of the University of Nevada, Reno, Museum of Natural History and herbarium, and continuing to pursue independent floristic and systematic botany research. I've studied and photographed vascular plants extensively in the southwestern North American deserts and mountains since 1980.

Expertise with the White Mountains of CA-NV and surrounding region, Nevada rare plants, the Great Basin and Mojave Desert, and Asteraceae (sunflower family). Authored the genera Ancistrocarphus, Chaenactis, Chamaechaenactis, Diaperia, Filago, Hesperevax, Logfia, Micropus, Micropsis, Psilocarphus, and Stylocline for Flora of North America North of Mexico, The Jepson Manual, and other projects, plus several new taxa and names.

Deep Springs College, California, 1979-1981. Northern Arizona University, Flagstaff, 1983-1986 (B.S., Botany and Geology). California Botanic Garden and Claremont Graduate University, 1986-1992 (Ph.D., Botany; Evolution & Systematics of Stylocline).

Many observations imported from Flickr where higher-resolution photos are available for download.

Avatar source: https://www.inaturalist.org/observations/11308350

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