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Arcadia: In parkway in center of Woodward Avenue between Baldwin Avenue and Oakwood Drive.

1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol.

San Gabriel Mountains, Elsmere Canyon; bottom of canyon near mouth.

Hwy 46 ROW approx. 6 mi. E of Paso Robles. Upper Salinas Valley.

Moist canal bank between First Street and Bulkhead.

Trail to Soldier Lake. Open ground. Wichita Mountains Wildlife Refuge.

In woods on S bank of Cedar Creek, about 3/8 mi. W of Rt. 128 about 100 m. S of Cedar Creek.

Pendola Ranger Station. Santa Ynez Mountains.

East of Garden Highway opposite County Fairgrounds, Yuba City.

Österreich, Niederösterreich, Wiener Becken, ca. 1,45 km E des Bahnübergangs am SE-Ende des Bahnhofs Gramatneusiedl: als Unkraut in einem Sorghum-Feld am östlichen Fischa-Ufer auf einer Lichtung des Auwalds

3/4 mile north of Quanah Parker Lake, Quanah Parker Creek. Wichita Mountains Wildlife Refuge.

Pleasant Hill Road.

Soil Conserv. Serv. Nsy. Pleasanton.

East base of the Pueblo Mountains by Cottonwood Creek, ca. 7.5 miles south of Fields. 42.16176° N, 118.61008° W, WGS84.

Intercepted during detection survey at Green Thumb Nusrey, 1899 S. Victoria Ave. Ventura. Aquatic Plants.

Highway 95, 36 miles south of Needles.

2.5 miles north of Arroyo Grande on Highway 227 (Carpenter Canyon).

4.0 kilometers northeast of Calexico. ,Colorado Desert; Western Colorado Desert.

Summit of the Siskiyou Mountains above Pacific Crest Trail, summit of the Siskiyou Mountains, east of White Mountain.

Shallow pond in West Fork Chowchilla River, below Bootjack and Highway 49; Willis property, Indian Peak Road.

Rice Experiment Station, 3 miles north of Biggs.

Along Cottoneva Creek, Highway 1 north of Rockport.

Silver Spur Ranch. Benmore Canyon at intersection of Box Canyon, 1 1/2 mi. S of spillway at Indian Valley Reservoir. North Coast Ranges.

Along edge of Hwy 128 at mile post 38.66.

Thornton Road, across from prison farm near Franklin.

Dale Creek drainage on the north face of Mount Eddy. Klamath Mountains.

Dago Pass.

Southeast corner of 16th Avenue & Kansas Avenue, ca. 8 km. east of Stratford.

Highway 22, Aurora.

Cleve Creek, Schell Creek Range.

Union City.

North side of University Center, Main Campus, UCSB.

Fairfield; Library Bldg.

East Cuesta Ridge, Chaparral area with Ceanothus sp. and Arctostaphylos luciana. Elev 1532 ft.

1 mile below Friant Dam. Along the San Joaquin River. Soil clay. Associated species Typha sp. Cyperus eragrostis, and Nasturtium officinale. Elevation 300 ft.

2 miles south of Imperial Dam, Colorado River.

North Sacramento.

18 miles north of Fallon, Highway 95.

5 miles northwest of Lathrop Wells.

Hwy 88 to Carson Pass between Cook's Station and Tragedy Springs. Sierra Nevada.

Royal Palm Hammock, Everglades National Park. At the Research and Education Center of the University of Florida, Ft. Lauderdale.

Open field near tennis courts, Nimitz High School.

Plaskett Meadows area.

Rutherford Property, Rockwood Canal, Gate 121, 1.5 miles east of Brawley.

Sacramento: southeast corner of Semas Ave. and Riverside Blvd.

M. V. Nursery, foot of Market Avenue, Richmond. On Lavandula officinalis.

Mayacmas Mountains. Abt 3 mi N of beginning of Geysers-Healdsburg Rd. Roadside in meadowlands.

Plant Pathology greenhouse, Sacramento.

Greer property, Harvey Road, 1 mile west of Galt.

Road to San Mateo, 0.7 mile east of Skyline Blvd. east above Crystal Springs Lake.