Explore

Ventura Mountains; Pine Mountain. 5 miles east of Highway 33. On south-facing slope.

Verdugo Mountains; Verdugo Mountains. Along South La Tuna Canyon Road, 1.5 miles east of 210 Freeway offramp.

San Gabriel Mountains; Bob's Gap, Holcomb Ridge Road.

San Gabriel Mountains; Off Valyermo Road near St. Andrew's Abbey, northwest of Valyermo.

Lexington. At house on northeast corner of Limestone and Washington.

Wildwood Regional Park. Mountclef Ridge near crest just west of Santa Rosa Trail.

Garden Hole along Russell Fork.

San Gabriel Mountains; 1.5 miles west on 2N23 from Newcomb's Saddle.

Mojave Desert; New York Mountains of eastern Mojave Desert. South slope adjacent to mouth of Keystone Canyon.

San Fernando Valley; Hansen Dam Flood Control Basin, west shore of Hansen Lake.

Belchertown. Vicinity of lakes Arcadia and Metacomet near railroad tracks.

North Chelmsford, 1 mile east of Westford Road.

Roadside of Highway 101 on northeast side of Big Lagoon, about 10 miles north of Trinidad.

Cut-Foot-Sioux Lake, at ranger station.

Hawaiian Islands; Oahu. Opaeula.

Grand Canyon Village, near El Tovar Lodge.

Sacramento Valley; Davis. University of California, Davis; Genetics Department greenhouse.

North Coast Ranges; Ridge just southeast of USFS nursery, about 2 miles southeast of Crannell and about 4 miles east of U. S. Highway 101.

Peninsular Ranges; Cuyamaca Mountains. 8 miles airline northeast of Alpine (7.5 miles airline due north of Highway 80) in the vicinity of Tule Springs.

Hawaiian Islands; Kauai. [Avocado] Pear Valley, southwest of Puuhinahina.

Mojave Desert; Desert Studies Center on Zzyzx Road (off of Interstate Highway 15).

Santa Monica Mountains; Old Topanga Canyon Road, 2 miles west of New Topanga Road. Rocky hillside.

Edge of woods immediately beneath railroad bridge over Kentucky River at High Bridge.

Levee along north boundary of Santa Ana National Wildlife Refuge.

Ventura Mountains; On the road to Mount Pinos, 1.5 miles from summit.

Isla Cedros. North end in arroyo above village.

Santa Monica Mountains; Sepulveda Canyon. Mission Fire Trail.

West side of CA-Highway 79, 13.1 miles south of Hemet.

Bloomington. Indian University, experimental field.

Great Falls, bluff above Potomac.

Sierra Nevada; Summit of Franklin Pass.

Mojave Desert; Just north of the foothills of the San Gabriel Mountains and just east of Palmdale. Field north of junction of Ave. T and 60th Street.

Mojave Desert; Lower end of Red Rock Canyon.

Hawaiian Islands; Kauai. Rim of Waimea Canyon, mauka [= inland, toward mountains) of Kukui Trail.

Hawaiian Islands; Oahu. East side of Kaukonahua Gulch near University of Hawaii Experiment Station.

Sierra Nevada; Christmas Tree restaurant, 9 miles (by road) southwest of Reno Hot Springs.

Along banks of Pit River (North Fork Pit River), 3.9 miles north of Alturas.

Animas Valley, Gray Ranch.

Rocky Mountain Biological Laboratory, off road FR 317.

Royal National Park. Upper Causeway along Hacking River, McKell Avenue.

Ventura Mountains; Along Frazier Mountain Road on north side of Frazier Mountain.

California Channel Islands; Santa Cruz Island. Along the coast.

Verdugo Mountains; Southwest side of Verdugo Mountains. Along Verdugo Mountainway east of junction with Stough Canyon Mountainway, above Stough and Wildwood canyons. Ridgetop along fire road.

Santa Monica Mountains; Mulholland Drive, north-facing slope 1 mile west of San Diego Freeway.

Mount Meron.

Santa Monica Mountains; Backbone Trail, southeast from Triunfo Pass.

Sierra Nevada; Edge of lake in Dusy Basin.

Sierra Nevada; Between Rutherford and Quaking Aspen.

Pine Valley Mountains. Leeds Canyon, Oak Grove Campground and vicinity.

Santa Monica Mountains; Backbone Trail off Big Sycamore Canyon.