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Along Hwy 101 near Los Alimos [Los Alamos]

American Ranch Hill 4 miles southwest of Grass Valley on McCourtney Road. Sierra Nevada.

Along path to Las Cuevas Negras de Silos.

Afton Road.

Town of Smithfield, south side of George Washington Highway (= Route 116), about 1 km northeast of junction with Farnum Pike (= Routes 5 & 104); about 700 meters southwest of junction with Douglas Pike (= Route 7).

Ca. 1 mile south of Greenview.

Highway 395 at Secret Creek Bridge, 3.3 miles north of road to Karlo.

Atascadero State Beach, 1/4 mile north of ranger station in moist sandy soil.

3294 Meadowview Rd, Plant Pest Diagnostics Center grounds. Southernmost area, behind J. W. Voss Building, alongside western fence.

St. Nicholas Ranch, 38526 Dunlap Road, ca. 1.5 km north of Dunlap. Sierra Nevada.

Knoxville-Devilhead Rd. North Coast Ranges.

North shore of the Salton Sea, County Park site near Frink Road, approx. 1 mile south of Hwy. 111.

Fort McCoy

Iron Mtn. Rd. 2.1 miles above Iron Mtn. School, northwest of Redding.

South of Avenue 12, just east of Road 23, ca. 4 miles southwest of Madera.

Alachua: The Holly Factory, 29010 NW CT 241.

High Springs: Gateway Farms, LLC. 22413 NW 227th Drive.

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3806 Seven Hills Road, Castro Valley.

Simpson Lee property, Stanislaus River, Ripon [origin], on Artemisia douglasiana, Rubus sp., Rosa sp. This material cultivated on celery at Meadowview Road glasshouse, Sacramento.

[Gustine area infestation, likely early to mid 1930s]

LAGUNA DE SANTA ROSA. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Moist upper margins of pools. North Coast Biodiversity Arena.

Roadside of Scotts Flat Road, in between the entrances of Gate 1 and Gate 2 of Scotts Flat Recreation Area.

Northeast corner of Alden Park, Mare Island, Vallejo.

South of Mission Road, 0.8 mile west of Highway 395, on road to Fallbrook.

San Rafael. In brackish ditch E of Davidson School.

I-405 between Getty Center and Sunset. South Coast.

Los Padres National Forest; upper Water Canyon on E side of Cuesta Ridge SE of Cuesta Pass. South Coast Ranges. Quadrangle Lopez Mtn 7.5'

Caswell Memorial State Park. W terminus of Fence Line Trail. San Joaquin Valley.

Putah Creek Riparian Preserve, UC Davis, just west of Old Davis Road, east of I-80 overpass of Putah Creek.

Davis-- State Forestry Nursery .

Mrs. Ledwige prop. 346 Lakeview Dr., Napa.

Medical Arts Building, 6529 Inglewood Ave. Stockton.

West Main St., El Centro.

Kenwood, 11011 Sonoma Hwy.

In Scram's Nursery, San Carlos.

North side of Orangethorpe Ave. 0.5 mile east of Broadhurst [Brookhurst] Road, Anaheim.

Brown Ranch, 1 mile east of Learey Road, 0.5 mile west of River Rd. Grand Island.

Clarence Brown Seed Company, Shore Road, Hollister.

Private property - Cold Springs Ranch. North side of Chowchilla Mountain Road south of two ponds used as water sources for the Oliver Fire. ,Sierra Nevada Mountains .

W.C. Peters property, Airport Road, ca. 3 miles northeast of Montague.

C. 98 km SW of Katherine on the Timber Creek road. Darwin & Gulf district.

Potrero Gardens, San Francisco. San Francisco Bay Area.

Alcatraz Island. On fern wall near old electrical shop. San Francisco Bay Islands.

Between rails of the W.P. R.R. tracks; Terminous. San Joaquin Valley .

Cottonwood Creek near Camp McCloud. White Mountains.

Bacon Bridge (SC165) to Old Fort Dorchester. On east bank of Ashely River, 1.5 km downstream from Bacon Bridge. (32.9537° N, 80.1870° W).

Road from Arica to Putre, Chile. ~2000 m.

Osterreich, Burgenland, Nordburgenlan, CA. 15 km ENE von Parndorf: Brachlandstreifen knapp W der Bahnlinie ca. 1,9 km NE der Kirche von Pama, CA. 135-137 m.

West Sacramento, along Sacramento River at the Mill Street Pier.