Explore

Prairie strip south of railroad and U.S.-Highway 90, about 3 miles west of Midland.

California Channel Islands; Santa Catalina Island. Fisherman’s Bay, USC Marine Research Station near dormitory.

Mojave Desert; Last Chance Mountains. Near Sulphur mine at Crater.

Sierra Nevada; Greenhorn Mountains. Davis Campground. 12 miles south of Greenhorn Summit. On east and west slopes.

South Coast Ranges; Gabilan Range. On east side of Hawkins Peak.

Sierra Nevada; Quaking Aspen Campground, 1 mile north of Ponderosa on CA-190.

Between U. S. Highway 165 and railroad, about 1.6 miles south of Kinder.

Tulumayo experimental station, about 25 km north of Tingo Maria on Rio Huallaga Plain.

Kirkman Landing, north shore of Grenada Lake.

Peninsular Ranges; Twin Oaks Valley Road, 3 miles north of S12.

Santa Susana Mountains; Los Angeles, Porter Ranch. Along sidewalk on west side of Tampa Ave., about 0.5 miles north of Rinaldi St.

Hawaiian Islands; Maui. Haleakala. Bogs below Wai Anapanapa.

South Coast Ranges; Santa Ynez Mountains. Refugio Pass Road about 3.5 miles north of CA-Highway 101.

Sacramento Valley; 0.25 miles west of Paskenta ranger station.

South Coast Ranges; San Rafael Mountains. Top of 'Big Pine Grade' near junction with road to West Big Pine lookout.

Behind building west of Highway 51, near Tie Plant Road.

Santa Ynez Mountains; West of San Marcos Pass along West Camino Cielo about 3 miles from intersection with Kinevan Road. South side of road on gentle, exposed, north-facing slope.

Sacramento Valley; 1 mile west of Chico. On Highway to Oroville.

Sierra Nevada; Along John Muir Trail at Deer Meadow, Palisade Creek.

Coastal bluff at Refugio State Beach.

Hawaiian Islands; Oahu. Central Hale’au’au Gulch, south of Kaala.

Santa Monica Mountains; Vacant lot on Reseda Blvd., 1 mile south of Ventura Blvd.

Rest stop along southbound I-65, 0.5 miles north of exit 28 (the intersection of I-65 and U.S. Highway 33), about 4 miles northeast of the city of Bowling Green.

Sierra Nevada; By bridge over South Yuba River, State Highway 49.

Santa Monica Mountains; Along Corral Canyon Road near main crest of mountains.

Sierra Nevada; Feather River Canyon Road, 7 miles northeast of Oroville. Roadside on a rocky bank.

Belchertown. Near intersection of Bay Road and Metacomet Street.

Sierra Nevada; Washington Ridge Road, 1.5 miles north of junction with CA-Highway 20.

North Coast Ranges; Vaca Mountains. CA-Highway 128, about 2 miles east of Monticello Dam.

Sierra Nevada; Along brook crossing trail from Mather Pass to Palisade Lakes.

Hawaiian Islands; Oahu. North rim of Makua Valley.

Klamath Mountains; Along French Hill Road, 3.45 miles from junction with CA-199.

Santa Susana Mountains; North side of Oat Mountain. Small swale just east of cattle reservoir on Orcutt Ranch.

San Bernardino Mountains; Rimrock. Dry wash along Burns Canyon Road.

San Gabriel Mountains; Just south of Castaic on US Highway 99, just north of Wayside Honor Ranch. Left fork of Tapia Canyon.

Colorado Desert; Anza Borrego Desert. 1 mile east of S6 on Highway 78.

Ventura Mountains; Canada Larga Creek near Southern Pacific Branch Railroad crossing, about 1 mile south of Foster Park.

San Gabriel Mountains; Upper Big Tujunga River (Wikiup), 0.25 miles downstream from bridge to Camp Colby.

Sierra Nevada; About 2 miles west of Shadow Lake.

San Gabriel Mountains; CA-Highway 2, mile marker 54.22. Near Camp Valcrest.

Santa Barbara. 789 Mountain Drive.

Sierra Nevada; Vicinity of Mount Whitney. 100 m west of Lone Pine Lake.

Near bank of oxbow lake along Yalobusha River just below Grenada Lake.

'George Farm,' southeast of Dixon off Bald Knob Hill Road.

Arroyo behind San Quintin Bay, 2 miles north of village of San Simon.

North Coast Ranges; Pleasants Valley Road, about 0.5 miles south of CA-Highway 128.

San Fernando Valley; Near duck pond at Chatsworth Reservoir.

San Fernando Valley; Los Angeles, Van Nuys. Sepulveda Flood Control Basin, 200 m north of the dam.

Southern Rocky Mountains; Sangre de Christo Mountains. Santa Fe Ski Basin.

Rocky Mountains; Wasatch Mountains. Roadside along Highway 91 at Mantua.