Explore

North side of Highway 50 at railroad tracks, west limits of Tracy.

Sierra Nevada: Owens Valley drainage; Onion Valley west of Independence.

White Salmon, along Dock Grade.

Willow Creek.

West Sacramento, west of Mill street, south of S. River Rd.

San Francisco. Sutro Heights.

Oak Hill Cemetery.

8.6 miles N of Bristle Cone entrance, Ancient Bristle Cone Pine Area. 1.4 mi S of Schulman Grove. Inyo National Forest.

0.7 miles S of Schulman Grove, Ancient Bristlecone Pine Area; 9.3 miles N of Bristlecone entrance. Inyo National Forest.

Stanford Camp, Fallen Leaf Lake.

Malibu Lagoon State Beach. South Coast.

Garces Highway to Delano, 5.5 miles west of Woody.

Muroc.

Loma Prieta.

Orinda.

1.0 mile below and northeast of Red Hill Summit, Plumas National Forest. Sierra Nevada.

Aguila.

Mojave Desert, Afton Canyon.

Hwy 395, 2 miles north of Crestview at Deadman Summit. Great Basin.

Lower Rock Creek Campground, 0.75 mile south of Tom's Place, on Old Highway 395. Inyo National Forest.

East of Limestone Cliff Campground on Kern River, 4 miles north of Fairview Lodge, Sequoia National Forest.

West end St. John's Bridge, Portland.

Oak Shores development on northern shore of Nacimiento Lake.

Highway 12 to Wallace, 2.0 miles east of Clements.

0.2 mile east of Jonesville.

Charity Valley Creek on Hwy 89 at Hwy 88 (Pickett's junction). 8.9 miles (14.3 km) S of Pickett's junction on Blue Lakes Road. Sierra Nevada.

University of Illinois campus.

Highway 70, Jarboe Gap. Near Poe Power House.

Placer Big Trees Redwood Grove. Mosquito Ridge Rd. below French Meadows Res. Sierra Nevada.

Slope above Lake Crowley, west side of Highway 395, 0.2 mile north of McGee Creek.

South of Highway 30, 3 miles west of Hood River.

Willow Meadow, 1.5 mi E of Chiquito Creek; 9 mi E of Jones Store. Sierra National Forest.

North Las Vegas.

Lost Lake Dam. Wichita Mountains Wildlife Refuge.

Donner Pass.

Campus grounds at Stanford University.

Sweetwater Mountains, east base, alkaline spring c. 0.2 mile northwest of the mouth of Murphy Canyon.

Sonora Pass, c. 1.5 road miles east of Sardine Meadow.

Fish Lake Valley, south end, c. 3.5 mi southeast of Oasis, east side of Hwy 168/266.

South side of US-101 at Mariposa Reina.

Near Mancos, along Forest Rd 566, Burnt Ridge loop. San Juan National Forest.

Squaw Valley.

1.5 mi. north of Camp Meeker.

Keystone Canyon, New York Mountains.

Loomis plot, Bureau of Plant Pathology, ca. 3 miles east of Loomis.

Irvine Ranch.

Planted December 27, 1963 Coll. May 14, 1964.

Along Ramsey Road ca. 3.2 miles south of its junction with Meadows Road, N.W. of Medford.

Pittsburg.

Likely, near Alturas.