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Santa Rita Mountains, south-southeast of Tucson, AZ. Along Box Canyon Road, off Continental Road from I-19. Collections from intersection of Box Canyon Creek and Box Canyon Creek upstream of metal bridge.

Paso Picacho Campground. Cuyamaca State Park

Santa Catalina Island, northwest top of ridge, north of USC Marine station.

Six Rivers National Forest. From Hwy 299, take Titlow Hill Road (at Berry Summit) ca. 1.7 miles south. Roadcut, north side of road. Ca. 1.4 aerial miles west-northwest of Horse Mtn. Radio Tower.

McGinty Mountain, dirt road to top.

San Bernardino Mountains, ca. 0.2 miles south of east end of Big Meadows (Santa Ana River), ca. 0.5 miles south of Heart Bar campground.

San Clemente Island, ca. 0.2 mile south from the end of road that runs south from Eel Point.

Side of 4x4 road en route to C. roosiorum trailhead.

Mission Trails Regional Park, San Diego. Oak Canyon Trail, ca. 0.5 mile along trail from Old Mission Dam, ca. 0.1 mile west of where trail bends sharply west (at waterfall), along south side of trail.

0.1 miles south of Del Mar Heights Road, 0.2 miles east of coastline.

Northeast corner lot of Navajo and College, San Diego.

Temescal Valley west of I-15 on west side of frontage road in disturbed field between Indian Canyon Truck Road and Horsethief Canyon Road exits.

San Clemente Island, ca. 0.1 mile south from the end of road that runs south from Eel Point.

Along road cut, US-26

Cuyamaca Rancho State Park. Cold Stream Trail. Ca. 500 feet east of Hwy 79, 1.2 miles south-southeast of Stonewall Peak.

Mission Trails Regional Park, ca. 0.4 mile west-southwest of Old Mission Dam, near hiking trail, just east of bridge, ca. 50 feet from San Diego River

Mission Trails Regional Park, ca. 100 feet southeast South Fortuna Mtn. peak, ca. 0.9 mile south-southeast of Fortuna Mtn. peak.

Just beyond a wooden fence at the intersection of Vista Del Mar Ave. and Balboa Ave. 0.16 miles west of Hwy 1. San Simeon.

Santa Margarita Ecological Reserve, Temecula, insect trail, mapping project for plant taxonomy class.

Mission Trails Regional Park, San Diego. Oak Canyon Trail, ca. 0.5 mile along trail from Old Mission Dam, just west of where trail bends sharply west (at waterfall), up slope, south of trail.

New Shady Rest Campground, site 158, Mammoth Lakes, ca. 0.25 mile northeast of juncion Hwy 203 and Sawmill Cutoff.

Mission Trails Regional Park, ca. 0.4 mile west-southwest of Old Mission Dam, near hiking trail, just west of bridge, ca. 50 feet north of San Diego River

Padre Dam Historical Site, about 4 km. east on Junipero Serra Trail Road.

Diamond Mountain.

Sonora pass PCT, appox 1 mi past the “window.”

Rancho Las Flores; vernal wetland cluster located approximately 4 miles north of the town of Los Alamos on US Highway 101, 1.10 miles south of the intersections of Palmer Road and Hwy 101, with most pools being found on the west side of Highway 101.

Mission Trails Regional Park. Oak Canyon Trail at the bend. Rocky north facing slope.

North of Moonlight canyon entrance to gorge, ca. 0.3 miles east-southeast of Aqua Caliente County campground.

Sandia Creek. Riparian habitat, uncommon. In open sandy banks, under canopy of Salix lasiolepis.

Mission Trails Regional Park, San Diego. Oak Canyon Trail, ca. 0.5 mile along trail from Old Mission Dam, ca. 0.1 mile west of where trail bends sharply west (at waterfall), up north-facing slope south of trail.

Ca. 0.55 mile west-northwest of Whale Peak, Anza Borrego Desert State Park.

North facing hillside between San Diego State University and I-8

City of Ramona. Ramona Grasslands, about Ω mi south of Ramona airport. 1.92km east north east of intersection of Highland Valley and Taylor Road

Inyo National Forest just inside John Muir Wilderness boundary. 0.1 mi off the South Fork Big Pine Trail on obvious avalache granite talus slope.

Anza Borrego Desert State Park, Carrizo badlands overlook, south of slope.

San Marcos: Vacant field on east side of intersection of Twin Oaks Valley Road and Borden Road.

Cuyamaca State Park, along trail to Cuyamaca Peak, ca. 1/2 mile from Paso Picacho campground.

Joshua Tree National Park, Cottonwood wash.

Mission Trails Regional Park, ca. 1.2 miles south-southwest of Fortuna Mtn. peak, ca. 0.5 mile due north of San Diego River.

Vipond Park ridgetop area on isolated hilltop at "U-turn" of FR 187, Pioneer Mtns., 15.1 miles west-northwest of I-15 overpass (Melrose exit 93), north side of Canyon Creek Canyon.

SW facing slope. 100 yards SW of Forest Hwy 7, between its intersections with 22N13 and 22N26. Butte Creek headwaters. Mendocino National Forest.

24.3 km south south east of Miles City. Along drainage 510 meters south east of Tongue River, just east of Tongue River Road.

30 yards north of Hwy 44, on west side of “Road 300”, approximately 9.4 miles east of Shingleton.

Summit trail, about .25 mi up trail at area where volcanic scree hits trail.

Apache Canyon Road, ca. 0.4 mile east of junction with Hwy 33, just past gate south of dirt road. Los Padres National Forest.

Coastal bluff, ca. 1.8 miles north of Arroyo de la Cruz, west of Hwy. 1.

Crest and swells of Colton Dunes at end of Santa Ana Ave. 0.6 miles east of junction with Riverside Ave.

Roadside .32 mi NW of trailhead to C. roosiorum population.

San Diego National Wildlife Refuge: San Miguel Mountain, east of the Sweetwater Reservoir; along Miller Ranch Road on the lower north-facing side of the mountain

Sequoia National Forest, Cedar Creek, ca. 0.2 mile south of Hwy 155.