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J.P. Smith 12680 2009-09-29
United States, California, Glenn, Agricultural weeds in plum orchards along State Route 32, west of Orland, 39.74703 -122.153, 69m
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J.P. Smith 13429 2011-09-23
United States, California, Tehama, Roadside in agricultural fields along U.S. 99, north of its junction with 4th Avenue, 40.0666 -122.1007, 79m
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J.P. Smith; R.J. Cole 13,676 2012-09-15
United States, California, Shasta, Along State Route 299, northeast of Buckhorn Summit., 40.653 -122.708, 743m
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L. Ahart 18494 2012-10-20
United States, California, Butte, Chico, Lower Bidwell Park, west of Cedar Grove, ~50 yds. W of Table 4 on the south side of Big Chico Creek, 39.74305556 -121.81725, 69m
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Brad Klipfel 222 1973-07-24
United States, California, Humboldt, Mad River flood plain, N end of Carson RR Bridge., 40.91676 -124.10954
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C.E. Fellows 181 1965-12-23
United States, California, Los Angeles, 1 mile south of Ventura Blvd. on Reseda Blvd. at Rosita St., 34.15457 -118.535848
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J.P. Smith; Steve Selva 4594 1970-08-09
United States, California, Shasta, French Gulch Campground, 40.70811 -122.63718
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John Warner Hosking sn 1964-10-26
United States, California, Los Angeles, El Camino College, 33.884493 -118.328744
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Paul Bailey 131 1972-05-14
United States, California, Riverside, 5 miles SE of Temecula, Hwy. S 16, Pechanga Canyon., 33.44611111 -117.0916667
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Gladys L. Smith 8398 1983-10-06
United States, California, Mendocino, Cahto Lake, Laytonville, 39.6678 -123.5306, 518m
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L.S. Rose 65108 1965-09-20
United States, California, San Mateo, Burlingame, Trousdale Dr. and California Dr., 37.595352 -122.382166, 9m
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C.B. Wolf 1089 1927-08-26
United States, California, Siskiyou, Klamath River, 14 mi. above Happy Camp, 41.8655 -123.2673
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L. Ahart 11398 2004-08-30
United States, California, Butte, South side of OBrien Rd, about 1 1/2 miles (air) southeast of Gridley., 39.34719444 -121.6725278, 28m