Search Results — 387 specimen records retrieved (286 records with coordinates)
Results for search: Scientific name=Bidens frondosa;   More information: Jepson Online Interchange

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC102005  Bidens frondosa John Thomas Howell 1946-8-17 22849 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC102007  Bidens frondosa Milo S. Baker 1946-8-17 11560 Sonoma The Laguna at Crossing of the Occidental Rd. Comment
  CAS-BOT-BC102009  Bidens frondosa Ira L. Wiggins 1976-10-1 22187 Tuolumne Roadside drainage ditch along Golf Club Drive, near E end of golf course, Twain Harte Comment
  CAS-BOT-BC102057  Bidens frondosa Lowell Ahart 1981-9-6 3103 Plumas 1 1/2 miles SW of Crescent Mills 1200 Comment
  CAS-BOT-BC102058  Bidens frondosa J. C. Roos 1946-9-20 3054 San Bernardino Mojave River near Apple Valley Comment
  CAS-BOT-BC102059  Bidens frondosa Peter H. Raven 1961-9-10 16629 San Bernardino near pond, North Verde Ranch, near the Mojave River east of Victorville 853 Comment
  CAS-BOT-BC102060  Bidens frondosa Brian Atwater 1978-9-16 BA- 147 San Joaquin inside a meander of Middle River; between Victoria Is. and Upper Jones Tract Comment
  CAS-BOT-BC102061  Bidens frondosa John Thomas Howell 1929-9-21 4408 San Joaquin Holt Comment
  CAS-BOT-BC102062  Bidens frondosa Grant 1902-9-18 5278 Shasta Redding Comment
  CAS-BOT-BC102065  Bidens frondosa Peter H. Raven; Henry J. Thompson 1959-9-27 14524 Ventura north-west side of Lake Sherwood, Santa Monica Mountains 291 Comment
  CAS-BOT-BC102066  Bidens frondosa John Thomas Howell 1981-10-13 54622 Sutter Bobelaine Audubon Sanctuary, Feather River at mouth of Bear River 9 Comment
  CAS-BOT-BC102068  Bidens frondosa Lowell Ahart 1981-9-15 3167 Butte Along French Creek 1300 Comment
  CAS-BOT-BC102070  Bidens frondosa Lowell Ahart 1989-9-21 6398 Butte On a small branch of French Creek, north of the gravel road, about 1 mile west of the Sly Creek Reservoir 1158 Comment
  CAS-BOT-BC102071  Bidens frondosa A. A. Heller 1913-9-12 11134 Butte Chico, on Big Chico creek Comment
  CAS-BOT-BC102073  Bidens frondosa Lowell Ahart 1982-10-11 3857 Butte west of the check-in-station, Gray Lodge, about 12 miles south-west of Gridley 35 Comment
  CAS-BOT-BC102077  Bidens frondosa Lowell Ahart 1974-9-30 s.n. Butte Peter Ahart Ranch, Honcut Comment
  CAS-BOT-BC102078  Bidens frondosa Chester Dudley 1927-9-12 s.n. Stanislaus Modesto Comment
  CAS-BOT-BC102079  Bidens frondosa Culbertson 1904-10-4 4651 Fresno Millwood Comment
  CAS-BOT-BC102080  Bidens frondosa Culbertson 1904-10-4 4651 Fresno Millwood Comment
  CAS-BOT-BC102082  Bidens frondosa Lowell Ahart 1987-8-30 5863 Butte along the North Fork of the Feather River, near Poe Power House, about 2 miles southeast of Jarbo Gap 271 Comment
  CAS-BOT-BC102085  Bidens frondosa Walter Knight 1978-8-27 3153 Contra Costa Contra Loma Regional Park 30 Comment
  CAS-BOT-BC102086  Bidens frondosa Walter Knight; Joanne Dean 1978-8-14 3157 Contra Costa Browns Island Comment
  CAS-BOT-BC102087  Bidens frondosa S. Galen Smith; Malcom A. Nobs 1949-9-2 1758 a Inyo Marshy meadow on Pine Creek road, 2 miles west of Highway 395, 13.5 miles north of Bishop Comment
  CAS-BOT-BC102089  Bidens frondosa S. Galen Smith; Malcom A. Nobs 1949-9-2 1758 a Inyo Marshy meadow on Pine Creek road, 2 miles west of Highway 395, 13.5 miles north of Bishop Comment
  CAS-BOT-BC102090  Bidens frondosa John Thomas Howell 1962-9-25 38926 Kern Near Kernville 807 Comment
  CAS-BOT-BC102091  Bidens frondosa John Thomas Howell 1970-9-25 47415 Kern Kernville 807 Comment
  CAS-BOT-BC102092  Bidens frondosa Ernest C. Twisselmann 1963-9-18 9015 Kern Weldon Road, 1 mile south of Kernville 807 Comment
  CAS-BOT-BC102093  Bidens frondosa Ernest C. Twisselmann 1961-8-21 6475 Kern Kern River just east of the Kernville Cemetery 777 Comment
  CAS-BOT-BC290551  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  CAS-BOT-BC290558  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC290560  Bidens frondosa Peter Rubtzoff 1958-9-20 3995 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  CAS-BOT-BC290660  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC290706  Bidens frondosa Peter Rubtzoff 1962-9-16 5090 Sonoma Vacation Beach, 1.5 miles below Guerneville along Russian River. Comment
  CAS-BOT-BC290718  Bidens frondosa Peter Rubtzoff 1968-9-21 5984 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC290719  Bidens frondosa Peter Rubtzoff 1960-6-25 4509 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC290722  Bidens frondosa Peter Rubtzoff 1961-8-24 4712 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  CAS-BOT-BC290723  Bidens frondosa Peter Rubtzoff 1960-9-14 4528 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CDA10506  Bidens frondosa L. Ahart 2006-9-11 13274 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. Comment
  CDA10507  Bidens frondosa M. Tu 1997-7-16 77 Sacramento Cosumnes River Preserve - Tall Forest. Collected from an open area at the southern end of the Tall Forest immediately across Wood Duck Slough at the pump station. Comment
  CDA10508  Bidens frondosa M. Tu 1997-7-16 77 Sacramento Cosumnes River Preserve - Tall Forest. Collected from an open area at the southern end of the Tall Forest immediately across Wood Duck Slough at the pump station. Comment
  CDA10510  Bidens frondosa Joanna Clines 2005-8-15 1920 Madera Along State Highway 41, south and north of County Road 620 (Bisset Station Road). Comment
  CDA10512  Bidens frondosa A. G. Murdock, D. G. Kelch 2003-9-12 162 Solano Carquinez Strait Region; Mare Island. West center of island at end of Tennessee. Comment
  CDA12774  Bidens frondosa G. F. Hrusa 1990-9-4 8204 Sacramento Natoma Unit-Folsom Lake State Rec. Area; Upper end of estuary at S end of American River Bluffs. Comment
  CDA15070  Bidens frondosa G. F. Hrusa, J. Hart 1998-10-11 14878 Sacramento Sacramento Delta; Georgiana Slough, middle part. Comment
  CDA15560  Bidens frondosa G. F. Hrusa, M. Rejmanek, M. Tu 1998-10-14 14891 San Joaquin Caswell Memorial State Park on Stanislaus River. W terminus of Fence Line trail. Comment
  CDA21290  Bidens frondosa G. F. Hrusa, C. & E. Dogwin 2007-10-18 17077 Yolo Sacramento Delta; Merritt boat launch on W side of Sacramento River approx. 1 mi. N of Hood. 3 Comment
  CDA42925  Bidens frondosa L. Ahart 2012-9-28 18458 Butte Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico. Comment
  CDA42976  Bidens frondosa L. Ahart 2013-11-17 19259 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. Comment
  CHSC101052  Bidens frondosa John Dittes; Josephine Guardino 2008-10-8 1548 Tehama Northern Sacramento Valley; east bank of Sacramento River at southern edge of Mill Creek confluence; sand bar in active floodplain of Sacremento River. 62 Comment
  CHSC110394  Bidens frondosa Lowell Ahart 2012-9-28 18468 Butte Gravel bar in the middle of Big Chico Creek, about 30 yards east of the freeway, Lower Bidwell Park, Chico. 65 Comment
  CHSC110397  Bidens frondosa Lowell Ahart 2012-9-28 18458 Butte Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico. 62 Comment
  CHSC113131  Bidens frondosa Lowell Ahart 2013-11-17 19259 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 of a mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  CHSC116138  Bidens frondosa Lowell Ahart 2015-10-26 20590 Butte Strand of Lake Oroville, on the west side of the West Branch of the Feather River, about 1 mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise. 207 Comment
  CHSC116315  Bidens frondosa Lowell Ahart 2015-11-19 20671 Yuba 100 yards or more north of the spillway area, below the high water line, west side of Lake Francis, about 1 1/2 miles south of Dobbins. 512 Comment
  CHSC25452  Bidens frondosa Marc Hayes; Warner 1977-9-12 101 Butte Ca. 10 m N of wooden foot-bridge across W branch of Clear Creek on Butte College Campus near the intersection of Pentz and Clark Rds. 82 Comment
  CHSC26659  Bidens frondosa M. S. Taylor 1977-8-16 1503 Butte In Clear Creek, Butte College Campus, ca. 15 mi S of Chico. 60 Comment
  CHSC28384  Bidens frondosa J. D. Jokerst 1979-10-13 384 Butte Intersection of Concow Cr. and Jordan Hill Rd., 0.8 mi W of Concow Rd. Comment
  CHSC28424  Bidens frondosa M. S. Taylor 1979-10-2 2208 Butte Sacramento River at Chico Landing, ca. 5 mi W of Chico. 30 Comment
  CHSC30286  Bidens frondosa M. S. Taylor 1978-9-8 1877 Butte Along flood control slough, ca. 4 mi N of Chico, on Hwy 99. 60 Comment
  CHSC30414  Bidens frondosa M. Merryman 1979-9-23 50 Butte SW of Chico, just E of Ord Ferry and Sacramento River. 30 Comment
  CHSC31576  Bidens frondosa Lowell Ahart 1976-6-27 1145 Butte Along the edge of North Honcut Creek, near Honcut. 45 Comment
  CHSC32369  Bidens frondosa J. D. Jokerst 1979-11-13 1229 Butte Table Mountain. Top of North Table Mountain, ca. 100 m N of Cherokee Rd at the E edge of the mountain. 396 Comment
  CHSC34182  Bidens frondosa Lowell Ahart 1981-9-15 3167 Butte Where the road forks and crosses French Creek, ca. 1 mi W of Sly Creek Reservoir. 1300 Comment
  CHSC34899  Bidens frondosa M. S. Taylor 1981-9-2 4268 Plumas N tip of Round Valley Reservoir by rd 204, ca. 3 air mi S of Greenville. 1371 Comment
  CHSC38327  Bidens frondosa Vernon H. Oswald 1983-8-26 1028 Butte Upper Bidwell Park, Chico, at Horseshoe Lake. 100 Comment
  CHSC39407  Bidens frondosa Lowell Ahart 1983-9-17 4433 Butte East end of Kunkle Reservoir Dam, south of Paradise. 600 Comment
  CHSC40911  Bidens frondosa Lowell Ahart 1985-11-7 5238 Butte About 90 feet below the high water line of Lake Oroville, on the south side of the South Fork of the Feather River, where Sucker Creek flows into the river, about 1/2 mile west of the Ponderosa Dam. 274 Comment
  CHSC41879  Bidens frondosa Lowell Ahart 1986-11-14 5474 Butte About 1/10 mile south of the clay burrow for Oroville Dam, 1/4 mile east of Larkin Road, about 6 miles southwest of Oroville. 36 Comment
  CHSC43272  Bidens frondosa Lowell Ahart 1987-8-30 5863 Butte On sand and gravel bars along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap. 271 Comment
  CHSC47653  Bidens frondosa Lowell Ahart 1989-9-21 6398 Butte On a small branch of French Creek, north of the gravel road, about 1 mile west of the Sly Creek Reservoir. 1158 Comment
  CHSC61023  Bidens frondosa Vernon H. Oswald 1993-8-5 5769 Glenn Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, N edge of Cell 2, Tract 4. 30 Comment
  CHSC66355  Bidens frondosa Vernon H. Oswald 1996-6-20 7833 Butte Sacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. At the NW corner of Tract 2, Sanctuary II. 33 Comment
  CHSC66872  Bidens frondosa Vernon H. Oswald; Lowell Ahart 1996-9-4 8260 Tehama Cascade Range Foothills. Hogs Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Paynes Creek ca. 1 mi upstream from the old bridge site. 131 Comment
  CHSC71850  Bidens frondosa Vernon H. Oswald; Lowell Ahart 1998-9-8 9613 .1 Shasta Hwy 89 at its closest approach to Burney Creek just south of McArthur-Burney Falls Memorial State Park. 929 Comment
  CHSC72247  Bidens frondosa Lowell Ahart 1998-9-11 8053 Butte Seep area west of the cattle chute on the west side of Cherokee Road, North Table Mountain, about 7 (air) miles north of Oroville. 403 Comment
  CHSC72296  Bidens frondosa L. P. Janeway 1998-9-10 6275 Plumas Along the northwest shore of Snake Lake; about 5 mi northwest of Quincy. 1205 Comment
  CHSC76266  Bidens frondosa Lowell Ahart 1999-9-21 8262 Butte Large disturbed area along the east side of the Sacramento River, northwest of Parrott Landing, about 1 mile southeast of Ord Ferry, about 2 miles southeast of Ordbend, about 12 miles (air) southwest of Chico. 32 Comment
  CHSC76267  Bidens frondosa Lowell Ahart 1999-9-17 8235 Yuba On the south side of Woodruff Lane, just east of Mathews Road, east of Sam Shintaffer's rice dryer, about 5 miles (air) northeast of Marysville. 24 Comment
  CHSC79663  Bidens frondosa B. Villegas; D. Joley, E. Gunderson 1998-9-14 Nevada Sierra Nevada. Drainage ditch off Hwy 49/20 at the Brunswick Exit in Nevada City. Comment
  CHSC81750  Bidens frondosa Lowell Ahart 2001-10-16 9367 Plumas On a high bank, and the north side of a small stream, on the northwest side of Round Valley Reservoir, about 2 1/2 miles southwest of Greenville. 1363 Comment
  CHSC84621  Bidens frondosa Lowell Ahart; John Dittes 2003-9-17 10569 Tehama On a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  CHSC94573  Bidens frondosa Lowell Ahart 2006-9-11 13274 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville. 431 Comment
  CHSC94746  Bidens frondosa Lowell Ahart 2006-9-26 13344 Colusa Along the deep ditch, south side of the Delevan National Wildlife Refuge, north side of Maxwell Road, about 3 miles west of Colusa Princeton Road, about 5 1/2 miles east of Maxwell. Comment
  CHSC94892  Bidens frondosa Lowell Ahart 2006-9-28 13363 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel. 445 Comment
  CHSC95190  Bidens frondosa R. D. Fischer 2004-8-10 837 Glenn Capay. Northern Sacramento Valley, along the Sacramento River, ca. 4 miles north of Capay off of private property adjacent river. 45 Comment
  CHSC97459  Bidens frondosa Lowell Ahart; Lawrence Janeway, Linnea Hanson 2007-9-18 14497 Yuba On the east side of a small pond, on the west side of the dirt road, Hampshire Creek Meadow, about 2 yards west of the dirt road, about 1 mile (air) east of Clipper Mills. 1015 Comment
  CHSC97740  Bidens frondosa Lowell Ahart 2007-11-3 14570 Butte Below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise. 259 Comment
  CLARK-A1528-1652  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  CLARK-A1528-171  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  CLARK-A1528-5452  Bidens frondosa John C. Roos 1951-9-25 5265 Riverside Riverside 259 Comment
  HSC103997  Bidens frondosa L. Ahart 2013-11-17 19259 Butte About 5/8 mi. SW of the Enterprise Bridge across Lake Oroville, below the high water line of Lake Oroville, along the sides of McCabe Creek 245 Comment
  HSC104183  Bidens frondosa G. K. Helmkamp, E. A. Helmkamp 2012-9-17 19863 El Dorado Northern Sierra Nevada Mountains Foothills: north of Pollock Pines, along Forebay Rd. at South Fork American River 564 Comment
  HSC27220  Bidens frondosa J. P. Smith, J. O. Sawyer 1971-9-18 4793 Siskiyou Hwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch. Comment
  HSC42937  Bidens frondosa Ken Stillman 1976-8-24 437 Siskiyou Along the Klamath River at Williams Point 366 Comment
  HSC82607  Bidens frondosa James D. Morefield 1985-8-25 3117 Inyo At the spring 1 mi. S of the mouth of Silver Canyon, 1.5 mi. ESE of Laws, Owens Valley drainage 1296 Comment
  HSC97042  Bidens frondosa L. Ahart 2006-9-11 13274 Butte S edge of the N Fork of the Feather River, N side of Highway 70, about 1/8 miles W of the Poe Dam, about 3/4 mile NE of Pulga, about 21 miles (air) NE of Oroville 432 Comment
  JEPS101383  Bidens frondosa Dean W. Taylor 1999-9-16 17371 Madera San Joaquin River 0.5 miles west (downstream) from Skaggs Bridge (Highway 145 10 miles S of Madera) 64 Comment
  JEPS102555  Bidens frondosa Lowell Ahart 2001-10-16 9367 Plumas On a high bank, and the north side of a small stream, on the NW side of Round Valley Reservoir, about 2 1/2 miles SW of Greenville. 1363 Comment
  JEPS104382  Bidens frondosa Lowell Ahart 2003-9-17 10569 Tehama On a gravel bar on the south side of Deer Creek, ca 400 yd e of Highway 99, ca 5 mi (air) se of Los Molinos. 60 Comment
  JEPS108781  Bidens frondosa Lowell Ahart 2006-9-26 13344 Colusa Along the deep ditch, south side of the Delevan National Wildlife Refuge, north side of Maxwell Road, about 3 miles west of Colusa Princeton Road, about 5 1/2 miles east of Maxwell Comment
  JEPS108975  Bidens frondosa Lowell Ahart 2006-9-11 13274 Butte South edge of the North Fork of the Feather River, north side of Highway 70, about 1/8 mile west of the Poe Dam, about 3/4 mile northeast of Pulga, about 21 miles (air) northeast of Oroville 431 Comment
  JEPS109289  Bidens frondosa D. W. Taylor 2002-8-31 18331 Trinity Clair Engle Reservoir, upper end along Hwy 3 ca. 2 miles S of Carrville, upper Trinity watershed. Comment
  JEPS110125  Bidens frondosa Lowell Ahart 2006-9-28 13363 Butte On the east side of the North Fork of the Feather River, on the west side of Highway 70, about 50 yards southwest of the Shady Rest Area south of the Arch Rock Tunnel 445 Comment
  JEPS111645  Bidens frondosa A. G. Murdock 2003-9-12 162 Solano Mare Island West center of island at end of Tennessee 2 Comment
  JEPS115000  Bidens frondosa Lowell Ahart 2007-11-3 14570 Butte Below the high water line of Lake Oroville, about 3/4 mile east of the Power House below Kunckle Reservoir, about 1 1/4 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise 259 Comment
  JEPS115047  Bidens frondosa Lowell Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14497 Yuba On the east side of a small pond, on the west side of the dirt road, Hampshire Creek Meadow, about 2 yards west of the dirt road, about 1 mile (air) east of Clipper Mills 1015 Comment
  JEPS119942  Bidens frondosa Lowell Ahart 2012-9-28 18458 Butte Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico. Comment
  JEPS120603  Bidens frondosa Lowell Ahart 2013-11-17 19259 Butte McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville. Comment
  JEPS122693  Bidens frondosa Jake Ruygt 1986-7-19 1882 Napa East bank of Napa River below confluence with Tulocay Creek. Quad: Napa. Comment
  JEPS124257  Bidens frondosa Lowell Ahart 2015-10-26 20590 Butte About 1 mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise. Comment
  JEPS124267  Bidens frondosa Lowell Ahart 2015-11-19 20671 Yuba West side of Lake Francis, about 1 1/2 miles south of Dobbins. Comment
  JEPS25018  Bidens frondosa G. Thomas Robbins 1958-10-4 3942 Alameda about equidistant between Eastshore Freeway and Oakland Municipal Airport, along Hegenberger Road, Oakland Oakland Municipal Airport Comment
  JEPS26041  Bidens frondosa Lewis S. Rose 1960-9-14 60092 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 Comment
  JEPS30677  Bidens frondosa Peter H. Raven 1961-9-10 16629 San Bernardino e of, near pond, North Verde Ranch, near the Mojave River Victorville 853 Comment
  JEPS31094  Bidens frondosa Ernest C. Twisselmann 1961-8-21 6475 Kern just e of Kernville Cemetery; Sierra Nevada, Kern River 777 Comment
  JEPS32531  Bidens frondosa W. L. Jepson 1928-10-1 15340 Glenn Orland 60 Comment
  JEPS32532  Bidens frondosa W. L. Jepson 1929-9-27 15285 Tehama Manton, edge of streamlet 853 Comment
  JEPS32535  Bidens frondosa W. L. Jepson 1923-10-22 10279 San Joaquin Union Island, Lower San Joaquin River Lower San Joaquin River Comment
  JEPS32541  Bidens frondosa W. L. Jepson 1891-9-17 Sacramento Lower Sac. Grand Island Comment
  JEPS32543  Bidens frondosa Elizabeth Day Palmer 1908-8-15 Los Angeles Arroyo Seco Comment
  JEPS32546  Bidens frondosa R. F. Hoover 1934-10-20 170 Stanislaus Modesto Comment
  JEPS33457  Bidens frondosa Ernest C. Twisselmann 1963-9-18 9015 Kern 1 mi s of, on Weldon Road Kernville; Sierra Nevada 807 Comment
  JEPS45176  Bidens frondosa Perry Allen 1961-8-28 Stanislaus vicinity of La Grange Comment
  JEPS7753  Bidens frondosa Peter H. Raven 1954-8-27 7971 Nevada w outskirts Nevada City; Sierra Nevada 762 Comment
  JEPS79580  Bidens frondosa Edward Lee with A. Carter and F. Little 1934-7-4 955 San Joaquin Borden Road between Middle River and Holt Comment
  JEPS79581  Bidens frondosa Edward Lee with A. Carter and F. Little 1934-7-4 955 San Joaquin Borden Road between Middle River and Holt Comment
  JEPS8224  Bidens frondosa G. Thomas Robbins with D. M. Post, J. W. Dawson, and P. H. Raven 1954-9-3 3650 Merced about 0.8 mi n of, along road between Gustine and Volta Ingomar 25 Comment
  JEPS88392  Bidens frondosa Vernon H. Oswald and Lowell Ahart 1996-9-4 8260 Tehama BLM parcel along Hwy 36 ne Red Bluff (on flood plain of creek ca. 1 mi upstream from old bridge site); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 131 Comment
  JEPS94090  Bidens frondosa Vernon H. Oswald and Lowell Ahart 1998-9-8 9613 .1 Shasta Hwy. 89 at its closest approach to Burney Creek just s. McArthru-Burney Falls Memorial State Park (edge of creek) 929 Comment
  JEPS94871  Bidens frondosa Lowell Ahart 1998-9-11 8053 Butte about 7 air mi n of Oroville (w of the cow chute on w side of Cherokee Road, North Table Mountain); North Table Mountain, Cherokee Road 403 Comment
  LA202619  Bidens frondosa Arthur C. Gibson; 2006-9-6 5138 Ventura Santa Monica Mountains, S of Westlake Village on State Hwy 23 at Lake Eleanor, NE corner of dam 380 Comment
  LA212045  Bidens frondosa R. G. Swinney; 2009-11-9 11587 Los Angeles SAN GABRIEL MOUNTAINS, Confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork. 427.0 Comment
  LA31648  Bidens frondosa Peter H. Raven; Henry J. Thompson 1959-9-27 14524 Ventura Santa Monica Mountains, Hidden Valley, NW-side of Lake Sherwood 291 Comment
  OBI16932  Bidens frondosa Joseph P. Tracy 1950-9-22 19367 Humboldt Klamath River, near Slate Crk. Below Orleans 8 mi Comment
  POM264773  Bidens frondosa L. C. Wheeler 1933-11-5 2232 San Bernardino Arrowhead Village, Lake Arrowhead. 1585 Comment
  POM350839  Bidens frondosa Wm. Martin 1971-9-8 20022 Inyo 5 miles NW of Bishop on Hwy 395. Comment
  POM350840  Bidens frondosa L. C. Wheeler 1932-9-19 1401 Los Angeles Los Angeles R. [River] at Los Feliz Blvd 122 Comment
  POM350841  Bidens frondosa Anstruther Davidson 1917-09 3271 Los Angeles Los Angeles Comment
  POM350843  Bidens frondosa Wm. Martin 1971-9-10 20205 Placer 8 miles east of Auburn on Hwy. 80, road to Applegate. 610 Comment
  POM350844  Bidens frondosa Christopher Davidson 1975-8-30 3204 San Bernardino Big Bear Lake, South Shore Drive. Along beach to N of road, ca. 100 yds E of the dam 2043 Comment
  POM4981  Bidens frondosa Anstruther Davidson 1917-9-15 s.n. Los Angeles Alvarado St. Comment
  POM54099  Bidens frondosa Culbertson 1904-10-4 4651 Fresno Millwood Comment
  RSA0015838  Bidens frondosa LeRoy Gross, Evan Meyer, Bart O'Brien 2013-10-17 6212 Los Angeles Hansen Dam flood control basin, Big Tujunga wash, between foothill Blvd. and Wentworth street. West of the 210 freeway. Collected short distance east and west, just south of Orcas Park, off Orcas Ave. 315 Comment
  RSA0035339  Bidens frondosa Lowell Ahart 2012-9-28 18458 Butte Just east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico. 62 Comment
  RSA0035896  Bidens frondosa R. G. Swinney 2009-11-9 11587 A Los Angeles confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  RSA0037017  Bidens frondosa Lowell A. Ahart 2013-11-17 19259 Butte Along the sides of McCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  RSA0058200  Bidens frondosa Richard G. Swinney 2010-9-1 13667 Los Angeles San Gabriel Mountains/Verdugo Mountains: Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  RSA0093482  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2012-10-8 19999 Nevada Northern Sierra Nevada Mountains Foothills. Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley. 445 Comment
  RSA0113780  Bidens frondosa LeRoy Gross, Sarah J. De Groot 2016-9-1 7706 Ventura Loughman Property; East of the Santa Paula Creek junction. South of Highway 126, off of S. Hallock Dr. Started near 34.35610N 119.03311W, ended near 34.35288N 119.03742W. 82 Comment
  RSA0114000  Bidens frondosa LeRoy Gross, Sarah J. De Groot 2016-8-24 7718 Ventura Vulcan Property. End of Torex/Main Road, Piru. South of Highway 126. Started near 34.39767N 118.79458W. Survey up river to 34.40147N 118.75117. 183 Comment
  RSA124899  Bidens frondosa A. G. O'Berg 1955-10-7 19 Fresno 7 miles NW of Kerman, 1.5 miles N of Belmont Road on Yuba Road, W of road in drainage ditch of alkali sink. 53 Comment
  RSA151165  Bidens frondosa Peter H. Raven 1961-9-10 16629 San Bernardino North Verde Ranch, near the Mojave River east of Victorville 854 Comment
  RSA152113  Bidens frondosa Wesley O. Griesel 1961-8-28 s.n. Inyo Bishop 1372 Comment
  RSA164114  Bidens frondosa E. C. Twisselmann 1963-9-18 9015 Kern Weldon Rd., 1 mi. S of Kernville. 808 Comment
  RSA239269  Bidens frondosa R. F. Thorne, L. DeBuhr, C. W. Tilforth 1972-9-20 42310 Plumas Plumas National Forest: Snake Lake ca. 4 miles NW of Quincy. 1220 Comment
  RSA303681  Bidens frondosa R. F. Thorne 1979-7-13 53388 San Bernardino N end of Lake Gregory, 1387 Comment
  RSA340153  Bidens frondosa R. F. Thorne 1979-8-25 53619 San Bernardino Holcomb Valley: E margin of Grass Valley Lake 1570 Comment
  RSA347645  Bidens frondosa James D. Morefield 1985-8-25 3117 Inyo At the spring 1 mi S of the mouth of Silver Canyon 1.5 mi ESE of Laws, Owens Valley drainage 1296 Comment
  RSA552381  Bidens frondosa D. Charlton 1991-8-28 5556 Inyo Owens River, Dinken Rd 2 miles north of Bishop just south of Fish Slough. [On the border of Inyo and Mono County] 1220 Comment
  RSA554641  Bidens frondosa Scott D. White 1992-9-1 740 San Bernardino San Bernardino Mountains: N of Hwy 18, W of Metcalf Creek at Metcalf Bay, City of Big Bear Lake. 2073 Comment
  RSA604917  Bidens frondosa L. C. Wheeler 1964-8-29 8687 Kern Kernville. Comment
  RSA606120  Bidens frondosa L. C. Wheeler 1933-11-5 2232 San Bernardino Arrowhead Village, Lake Arrowhead. 1585 Comment
  RSA69817  Bidens frondosa J. C. Roos 1951-9-25 5265 Riverside Fairmount Park 259 Comment
  RSA724819  Bidens frondosa L. Ahart 2006-9-26 13344 Colusa South side of the Delevan National Wildlife Refuge, north side of Maxwell Road, about 3 miles west of Colusa Princeton Road, about 5.5 miles east of Maxwell. 24 Comment
  RSA724879  Bidens frondosa L. Ahart 2006-9-11 13274 Butte South edge of the North Fork of the Feather River, North side of Highway 70, About 1/8 mile west of the Poe Dam, About 3/4 mile northeast of Pulga, About 21 miles (air) northeast of Oroville. 432 Comment
  RSA726433  Bidens frondosa L. Ahart 2007-11-3 14570 Butte About 3/4 mile east of the Power House below Kuncke Reservoir, about 1.25 miles north of the Lime Saddle Campground, about 5 miles (air) southeast of Paradise. 259 Comment
  RSA726441  Bidens frondosa L. Ahart, Lawrence Janeway, Linnea Hanson 2007-9-18 14497 Yuba About 1 mile (air) east of Clipper Mills. 1016 Comment
  RSA74341  Bidens frondosa Milo S. Baker 1946-9-4 11612 Colusa Butte Sink, near gate of Colusa Gun Club Comment
  RSA768290  Bidens frondosa Justin M. Wood 2010-9-1 2505 Shasta City of Redding: Small pond open to the river on the west side of the river, +/- 0.5 miles upstream of Cypress Ave bridge. 143 Comment
  RSA768468  Bidens frondosa Justin M. Wood 2010-9-2 2578 Shasta 0.8 miles N of Ingot along the west side of state highway 299. 346 Comment
  RSA782808  Bidens frondosa A. C. Sanders, Dan S. Cooper 2010-8-5 38540 Los Angeles Madrona Marsh Preserve, Torrance 24 Comment
  RSA794771  Bidens frondosa Justin M. Wood, D. M. Ray 2010-9-28 2726 San Bernardino San Bernardino Mountains: Big Bear Lake. Grout Bay, just south of Fawnskin adjacent to Highway 38. 2063 Comment
  RSA799647  Bidens frondosa Justin M. Wood 2010-9-29 2742 Orange Santa Ana Canyon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail. 128 Comment
  SBBG123693  Bidens frondosa K. Guilliam and L. A. Eliassen 2010-9-13 Monterey ca. 0.8 km SW of jct of Del Venturi Rd and Mission Rd, 0.6 km NE of jct of Del Venturi and Vasquez Rds; Ft Hunter Liggett 307 Comment
  SBBG20827  Bidens frondosa E. C. Twisselmann 1963-9-18 9015 Kern Weldon Rd, ca. 1 mi S of Kernville 807 Comment
  SBBG60903  Bidens frondosa Mark Kerr 1939-8-27 Inyo Owens River, E of Big Pine Comment
  SD134703 Image available Bidens frondosa Suzanne Bell 1991-9-6 66 San Diego Slough at south end of Cuyamaca Lake. 1399 Comment
  SD155309  Bidens frondosa Jon P. Rebman, Mike Mayer 2001-10-3 7483 San Diego Mission Valley Preserve: along the San Diego River from Sefton Park to the Interstate 5 bridge 20 Comment
  SD160411  Bidens frondosa Jeannie Gregory, John Gregory 2004-9-26 1184 San Diego Cuyamaca Lake; western shore along Highway 79 1406 Comment
  SD169988  Bidens frondosa Jerilyn Hirshberg 2005-9-1 1180 San Diego 0.3 mile south of entrance to Inaja picnic area on Highway 78/79 between Santa Isabel and Wynola, 300 meters east of falls on San Diego River 960 Comment
  SD179858  Bidens frondosa Jon P. Rebman, P. Famolaro & Parabotany Team 2007-8-8 13831 San Diego Loveland Reservoir: S of Alpine and Japatul Valley Road; along the south shore, 1.1 air miles E of the dam located at the southeast end of the reservoir 413 Comment
  SD210679  Bidens frondosa John Groth 2008-8-31 226 San Diego Cleveland National Forest, Cuyamaca Mtns, 3.4 mi. WNW of Cuyamaca Peak, banks of Boulder Creek, 300 yds. E of junction with Boulder Creek Road 818 Comment
  SD212472  Bidens frondosa G. K. Helmkamp, Elizabeth Helmkamp 2005-9-9 9848 El Dorado Northern Sierra Nevada Foothills; east of Sacramento, Squaw Hollow area at junction of Hank's Exchange Road and Ranch Road, 0.9 mile south of Pleasant Valley Road. 683 Comment
  SD240842  Bidens frondosa A. C. Sanders, Dan S. Cooper 2010-8-5 38540 Los Angeles South Coast: Madrona Marsh Preserve, Torrance. Former oil field w/gravel service road remnants. 24 Comment
  SD247314  Bidens frondosa R. G. Swinney 2009-11-9 11587 A Los Angeles Transverse Range; San Gabriel Mountains: confluence of San Gabriel River and East Fork San Gabriel River, to 150 meters upstream in East Fork. 427 Comment
  SDSU16355  Bidens frondosa Jeannie Gregory, John Gregory 2004-9-26 1184 San Diego Fresh water mudflats of Cuyamaca Lake; western shore along Highway 79. 1407m 1407 Comment
  SDSU16416  Bidens frondosa Jon Rebman, Mike Mayer 2001-10-3 7483 San Diego Mission Valley Preserve: along the San Diego River from Sefton Park to the Interstate 5 bridge 20 Comment
  SEINET10473665  Bidens frondosa Mary Susan Taylor 1981-9-3 Taylor 4268 Plumas California: T26N R9E nw1/4 of sw1/4 sec 15. Greenville SW quad. N tip of Round Valley Reservoir by road 204, ca. 3 air mi S of Greenville. Plumas County. 4500 ft. 1372 Comment
  SEINET11196323 Image available Bidens frondosa Unknown 2012-10-9 19999 Nevada Higgins Corner Comment
  SEINET272195  Bidens frondosa A. C. Sanders, S. Ogg 1994-7-28 15180 Riverside Riverside: Santa Ana River between the Hwy 60 Bridge and the Mission Blvd. Bridge. 243 Comment
  SEINET272338  Bidens frondosa Scott White 1996-9-13 4522 San Bernardino Lake Arrowhead Area; SE of Papoose Lake and N of Cedar Glen neighborhood. 1490 Comment
  SEINET3246130  Bidens frondosa G. K. Helmkamp, E. A. Helmkamp 2009-1 15605 El Dorado Sierra Nevada Mountains Foothills: Lake Oaks Mobile Home Park, Diamond Springs; 0.2 mile south of the junction of Patterson Drive and CA-49/Pleasant Valley Road. Comment
  SFV3766  Bidens frondosa K. A. Wilson, D. E. Bianchi 1961-2-2 813 Los Angeles Santa Susana Mountains Granada Hills. Base of Limekiln Canyon. 350 Comment
  SFV7096  Bidens frondosa K. A. Wilson 1974-8-21 1447 Los Angeles Santa Monica Mountains Malibu Creek. Kanan Road and Triunfo Canyon Road intersection. 245 Comment
  SJSU6039  Bidens frondosa C. W. Sharsmith 1972-6-24 7811 Sonoma Laguna de Santa Rosa N of Sebastopol, E of Graton Comment
  UC1192170  Bidens frondosa Malcolm A. Nobs and S. Galen Smith 1948-8-24 432 Merced 1 mi e of Gustine (Modesto Properties Gun Club, San Joaquin Valley); San Joaquin Valley Comment
  UC1192172  Bidens frondosa Malcolm A. Nobs and S. Galen Smith 1949-9-9 1879 Colusa 3 mi w of Williams Comment
  UC1192173  Bidens frondosa Herbert L. Mason 1945-9-18 12707 Sutter near bridge on Yuba-Knight's Landing Highway (overflow lands of Sutter By-Pass); Sutter By-Pass Comment
  UC1192175  Bidens frondosa Herbert L. Mason and Verne Grant 1946-9-4 13108 Butte 833 Canal, West Gridley Road, Butte Sink Butte Sink, 833 Canal, West Gridley Road Comment
  UC1192177  Bidens frondosa Malcolm A. Nobs and S. Galen Smith 1949-9-2 1758 a Inyo 2 mi w of, 13.5 mi n of Bishop Highway 395 (on Pine Creek Road); Pine Creek Road Comment
  UC1192178  Bidens frondosa Herbert L. Mason and S. Galen Smith 1948-8-12 8333 Merced 5 mi e of Gustine (San Joaquin Valley); San Joaquin Valley Comment
  UC134523  Bidens frondosa Culbertson 1904-10-4 4651 Fresno Millwood Comment
  UC1523858  Bidens frondosa James D. Morefield 1985-8-25 3117 Inyo at the spring 1 mi s of the mouth of Silver Canyon (1.5 mi ese of Laws, Owens Valley drainage, White Mountains); White Mountains 1295 Comment
  UC166167  Bidens frondosa Geo. D. Butler 1909-9-20 989 Siskiyou creek near Yreka Comment
  UC171397  Bidens frondosa A. A. Heller 1913-9-12 11134 Butte on Big Chico Creek, Chico Chico, Big Chico Creek Comment
  UC1730224  Bidens frondosa L. P. Janeway 1998-9-10 6275 Plumas about 5 mi NW of Quincy (Snake Lake, along NW shore) 1205 Comment
  UC2026452  Bidens frondosa Louis C. Wheeler 1964-8-29 8687 Kern Kernville. Comment
  UC2044437  Bidens frondosa Belinda Lo 2014-10-24 194 Calaveras Bureau of Reclamation, New Melones Reservoir, Camp 9 Comment
  UC2044439  Bidens frondosa Belinda Lo 2014-10-12 184 Calaveras Stanislaus National Forest, Candy Rock Road Comment
  UC220245  Bidens frondosa Katharine Brandegee 1905-7-1 Tulare Visalia Comment
  UC30564  Bidens frondosa H. Edwards 77 Sacramento Sacramento Comment
  UC30565  Bidens frondosa W. L. Jepson 1891-9-17 Sacramento Lower Sacramento River, Grand Island Comment
  UC468898  Bidens frondosa A. Davidson, M. D. 1917-9-1 3271 Los Angeles Alvarado Street Comment
  UC579887  Bidens frondosa Annetta Carter 1934-7-4 1934 San Joaquin between Middle River and Holt Middle River (in drainage ditch Borden Highway); Borden Highway Comment
  UC61669  Bidens frondosa Geo. B. Grant 1902-9-1 5278 Siskiyou Mt. Shasta, Pacific Coast Pacific Coast, Mt. Shasta 0 Comment
  UC727762  Bidens frondosa Milo S. Baker 1946-8-17 11560 Sonoma at the crossing of the Occidental Road (The Laguna); The Laguna Comment
  UC912220  Bidens frondosa Herbert L. Mason 1929-9-21 5446 Contra Costa 2.6 mi ne of Byron (Borden Highway); Borden Highway Comment
  UC912221  Bidens frondosa Herbert L. Mason 1928-9-30 4956 San Joaquin near Holt (San Joaquin Delta); San Joaquin Delta Comment
  UCD129457  Bidens frondosa Beecher Crampton 1953-9-30 1633 Yolo Knights Landing, Sycamore Slough. Comment
  UCD129459  Bidens frondosa Beecher Crampton 1975-9-9 9276 Placer Gold Run rest area along Interstate Hwy. 80 W. 914 Comment
  UCD129569  Bidens frondosa C. F. Dunshee 1922-9-2 13 Colusa Cortena. Comment
  UCD129570  Bidens frondosa G. K. Helmkamp; E. A. Helmkamp 2007-9-10 12919 El Dorado Northern Sierra Nevada Mountains: Lake Oaks Mobile Home Park, Diamond Springs; near junction of CA-49 and Patterson Drive. 530 Comment
  UCD129571  Bidens frondosa G. K. Helmkamp; E. A. Helmkamp 2007-9-14 12955 Placer Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill. 942 Comment
  UCD129575  Bidens frondosa Malcolm A. Nobs; S. Galen Smith 1949-9-2 1758 a Inyo Pine Creek Road, 2 miles west of Highway 395, 13.5 miles north of Bishop. Comment
  UCD129581  Bidens frondosa Ernest C. Twisselmann 1961-8-21 6475 Kern Kern River just east of the Kernville Cemetery. 777 Comment
  UCD129582  Bidens frondosa Ernest C. Twisselmann 1963-9-18 9015 Kern Sierra Nevada. Weldon Road, 1 mile south of Kernville. 807 Comment
  UCD159892  Bidens frondosa Eric Wohlgemuth 1992-6-21 10- 205 Sacramento Cosumnes River Preserve Plant Inventory. Area 10: Location of public river walk trail. 4 Comment
  UCD169273  Bidens frondosa Lowell Ahart 2013-11-17 19259 Butte McCabe Creek, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville. 245 Comment
  UCD35242  Bidens frondosa Beecher Crampton 1952-11-9 927 Placer Along a ditch near Meadow Vista, about 6 miles east of Auburn. Comment
  UCD36460  Bidens frondosa Beecher Crampton 1953-9-30 1633 Yolo Knights Landing, Sycamore Slough. Comment
  UCD36464  Bidens frondosa Beecher Crampton 1953-9-30 1638 Sutter 5 miles east of Robbins, along irrigation canal east of Sutter Bypass. Comment
  UCD40156  Bidens frondosa Rodney Gale Myatt 1972-6-1 1682 Nevada Washington River. North of Hwy 20, about 20 mi. east of Nevada City, near community of Washington. 792 Comment
  UCD40287  Bidens frondosa Rodney Gale Myatt 1972-6-1 1687 Placer Along Forest Hill and Soda Springs Road. Northeast of Auburn. 914 Comment
  UCD50119  Bidens frondosa M. Tu 1997-7-16 77 Sacramento Cosumnes River Preserve Plant Inventory - Tall Forest. Collected from an open area at the southern end of the Tall Forest immediately across Wood Duck Slough at the pump station. 1 Comment
  UCD50120  Bidens frondosa M. Tu 1995-9-12 181 Sacramento Cosumnes River Preserve Plant Inventory - Tall Forest. Collected from the southern end of the Tall Forest about 150 m from the pump station. 1 Comment
  UCD53960  Bidens frondosa Patricia Lesky 1993-6-13 15- 20 Sacramento Cosumnes River Preserve; collected in Plot 15, Cottonwood Grove. Bounded by levee on N, washout/ag. field on W, Cosumnes River on S and E. 7 Comment
  UCD74473  Bidens frondosa J. E. Sandoval 1995-9-25 78 Merced Great Valley Grasslands State Park (encompasses the former Fremont Ford State Recreation Area). South of the town of Stevinson, 1 mi. south of Hwy 140 on Hwy 165. 17 Comment
  UCR110438  Bidens frondosa A. C. Sanders, Pam MacKay, Tim Thomas 1999-10-9 23142 San Bernardino San Bernardino Mtns., the 'lake' at Arrowbear Lake, east of Running Springs on south side of Hwy 18 1875 Comment
  UCR114010  Bidens frondosa Mitch Provance 2000-6-24 2052 Riverside Riverside, Santa Ana River Wash, between the Market Street bridge and the 60 Fwy 244 Comment
  UCR138771  Bidens frondosa Scott D. White 1996-9-13 4522 San Bernardino San Bernardino Mountains, Lake Arrowhead area: SE of Papoose Lake and north of 'Cedar Glen' neighborhood 1509 Comment
  UCR13942  Bidens frondosa George K. Helmkamp 1973-9-16 s.n. San Bernardino San Bernardino Mtns., Lake Arrowhead 1570 Comment
  UCR170573  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2005-9-9 9848 El Dorado Northern Sierra Nevada Foothills, E of Sacramento; Squaw Hollow area at junction of Hanks Exchange Road and Ranch Road, 0.9 mi south of Pleasant Valley Road 683 Comment
  UCR188892  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR189286  Bidens frondosa Fred M. Roberts, S. Leatherman 2007-9-19 6585 Riverside Santa Ana Canyon, Santa Ana River, across from Green River Golf Course, 0.15 km W of Green River Road bridge 128 Comment
  UCR190711  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2007-9-14 12955 Placer Northern Sierra Nevada Mountains Foothills, along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCR193557  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2007-9-10 12919 El Dorado Northern Sierra Nevada Mountains Foothills, Lake Oaks Mobile Home Park, Diamond Springs; near junction of CA-49 and Patterson Drive 530 Comment
  UCR19492  Bidens frondosa John C. Roos 1965-9-13 s.n. San Bernardino Mojave Desert, Victorville, Mojave River bottom 762 Comment
  UCR197976  Bidens frondosa Beecher Crampton 1953-9-30 1633 Yolo Knights Landing, Sycamore Slough Comment
  UCR201560  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2008-10-4 14199 El Dorado Foothills Sierra Nevada Mountains, Lake Oaks Mobile Home Park, Diamond Springs 530 Comment
  UCR210518  Bidens frondosa R. G. Swinney 2008-12-6 9971 Los Angeles San Gabriel Mtns., Azusa, mouth of San Gabriel Canyon west of Roberts Canyon on north side of San Gabriel River channel 229 Comment
  UCR218022  Bidens frondosa A. C. Sanders, Dan S. Cooper 2010-8-5 38540 Los Angeles South Coast, Madrona Marsh Preserve, Torrance 24 Comment
  UCR218950  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2009-8-30 15557 A Sutter Sacramento Valley, along Nicolaus Ave., 2.2 miles northwest of the Placer Co. line, 4.4 miles ENE (86 deg. ) of Nicolaus 8 Comment
  UCR218995  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2009-9-13 15605 El Dorado Sierra Nevada Mountains Foothills, Lake Oaks Mobile Home Park, Diamond Springs; 0.2 mile south of the junction of Patterson Drive and CA-49/Pleasant Valley Road 529 Comment
  UCR232616  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2011-9-30 18350 Nevada Northern Sierra Nevada Mountains Foothills, Dutch Flat X Road (extension of Diggins Hill Road), 3.1 miles northeast of Dutch Flat and north of the Bear River Reservoir 854 Comment
  UCR239928  Bidens frondosa O. F. Clarke 2005-10-16 s.n. San Bernardino Santa Ana River at North Main St., Agua Mansa area, just north of the Riverside Co. line 259 Comment
  UCR239929  Bidens frondosa O. F. Clarke 2004-7-5 s.n. Riverside Louis Rubidoux Nature Center at RR bridge, Santa Ana River near Riverside 155 Comment
  UCR240006  Bidens frondosa R. G. Swinney 2009-11-9 11587 A Los Angeles Transverse Range; San Gabriel Mountains, confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork 427 Comment
  UCR240977  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2012-10-9 19999 Nevada Northern Sierra Nevada Mountains Foothills, Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley 445 Comment
  UCR241977  Bidens frondosa George K. Helmkamp, E. A. Helmkamp 2012-9-15 19833 El Dorado Northern Sierra Nevada Mountains Foothills, Walton Lake; along Balderson Road, 0.4 mile south of its junction with Wentworth Springs Road 951 Comment
  UCR245726  Bidens frondosa George K. Helmkamp, Amy Barnes 2013-9-24 22375 Calaveras Northern Sierra Nevada Mountains, north end of White Pine Reservoir, 0.6 mile north of Arnold 1186 Comment
  UCR248911  Bidens frondosa Peter Rubtzoff 1968-9-21 5984 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCR248917  Bidens frondosa Peter Rubtzoff 1961-8-24 4712 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 Comment
  UCR248930  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCR248943  Bidens frondosa Peter Rubtzoff 1960-6-25 4509 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCR248966  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh Comment
  UCR250037  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton, 0.5 mi north of Guerneville Road 20 Comment
  UCR250393  Bidens frondosa Peter Rubtzoff 1960-9-14 4528 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCR25293  Bidens frondosa John C. Roos 1946-9-20 3054 San Bernardino Mojave Desert, Mojave River near Apple Valley 854 Comment
  UCR253554  Bidens frondosa George K. Helmkamp, Amy Barnes 2013-9-23 22301 Calaveras Sierra Nevada Mountains Foothills, Utica Powerhouse Road (beside Angel's Creek), 0.6 mile northeast of its junction with CA-4 974 Comment
  UCR253810  Bidens frondosa George K. Helmkamp, Elizabeth Helmkamp 2012-10-30 20105 Placer Sacramento Valley, north of William Lane on an unnamed levee road to Markham Ravine 35 Comment
  UCR258190  Bidens frondosa George K. Helmkamp, Elizabeth Helmkamp 2012-10-16 20024 Nevada Sierra Nevada Mountains Foothills, Robles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 deg. ) of Higgins Corner 445 Comment
  UCR259656  Bidens frondosa R. G. Swinney 2010-9-1 13667 Los Angeles San Gabriel Mountains/Verdugo Mountains, Big Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St. 338 Comment
  UCR30556  Bidens frondosa John C. Roos 1948-9-1 3942 Siskiyou Marsham Stream at Yreka Comment
  UCR44077  Bidens frondosa James D. Morefield 1985-8-25 3117 Inyo White Mtns., Owens Valley drainage, at the spring [Dry Lake Spr.] 1 mi south of the mouth of Silver Canyon 1.5 mi ESE of Laws 1296 Comment
  UCR45296  Bidens frondosa R. D. Goeden 1986-9-10 s.n. Plumas Northern Sierra Nevada, NE shore of Round Valley Reservoir 3 miles south of Greenville, Plumas Nat. Forest 1375 Comment
  UCR71786  Bidens frondosa S. J. Myers 1991-9-7 91- 63 San Bernardino Southern Mojave Desert, Mojave River floodplain at Mojave Narrows Regional Park, near Victorville 841 Comment
  UCR72725  Bidens frondosa A. C. Sanders 1992-8-22 12449 San Bernardino San Bernardino Mtns, Waterman Canyon, 0.6 mi. below upper end of Old Waterman Canyon Road (at Hwy 18) 915 Comment
  UCR73188  Bidens frondosa Scott D. White 1992-10-8 914 Los Angeles Western Transverse Range; Santa Monica Mtns., Malibu, just north of Pacific Coast Hwy (= Calif. Hwy 1), extending as far E as Malibu Creek. Bounded on the S by Civic Center Road; terminates on the W in vicinity of Malibu School 91 Comment
  UCR83107  Bidens frondosa A. C. Sanders, G. K. Helmkamp, S. D. White, E. J. Lawlor, C. L. Sanders 1994-9-11 15643 San Bernardino San Bernardino Mtns., Bear Creek at confluence with Santa Ana River 1045 Comment
  UCR93062  Bidens frondosa A. C. Sanders, S. Ogg 1994-7-28 15180 Riverside Riverside, Santa Ana River near Hwy 60 243 Comment
  UCSB45521  Bidens frondosa Roos, John 1946-9-20 San Bernardino Mojave River near Apple Valley Comment
  UCSB53662  Bidens frondosa Ferren, Wayne 1984-7-14 Mono 2.4 miles S of Rocked-in-Spring on E side of slough, 225 m. W of Rd. and 25 m. N of fence; Fish Slough; a desert wetland system 4.5 mi. north of Bishop at northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis 1341 Comment
  UCSB62366  Bidens frondosa Ferren, Wayne; Haller, John 1986-8-8 Mono Near gate S of Rocked-In-Spring; Fish Slough; a desert wetland system 4.5 mi. north of Bishop at northern end of Owens Valley; study site includes 14 sq. mi. along a 7 mi. drainage axis 1341 Comment
  UCSB70080  Bidens frondosa Helmkamp, G.; Helmkamp, E. 2007-9-14 Placer Foothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill 942 Comment
  UCSB71038  Bidens frondosa Ferren, Wayne; Yahr, B. 1993-8-24 San Bernardino San Bernardino National Forest. Stream near crossing of Rd 1N09. Seep/spring. Comment
  VVC1353  Bidens frondosa A. C. Sanders, J. Mac 1999-10-9 23142 San Bernardino San Bernardino Mtns., the "lake" at Arrowbear Lake, E of Running Springs on S side of Hwy 18 1875 Comment
  CAS-BOT-BC102001  Bidens frondosa Gordon H. True 1970-9-16 6427 Nevada Spring Hill between Grass Valley and Nevada City 822 Comment
  CAS-BOT-BC102002  Bidens frondosa Gordon H. True 1972-8-23 7412 Nevada Falls, ca. 2 miles southeast of Spenceville 213 Comment
  CAS-BOT-BC102003  Bidens frondosa Gordon H. True 1961-9-7 228 Nevada On Highway 49, 2 miles south of Grass Valley 731 Comment
  CAS-BOT-BC102004  Bidens frondosa Peter Raven 1954-8-27 7171 Nevada Western outskirts of Nevada City 762 Comment
  CAS-BOT-BC102006  Bidens frondosa W. & I. Knight 1984-8-28 5291 Sonoma Spring Lake, Santa Rosa Comment
  CAS-BOT-BC102010  Bidens frondosa Ira L. Wiggins 1972-9-17 21941 Tuolumne Roadside along Meadow Drive, Twain Harte 1127 Comment
  CAS-BOT-BC102011  Bidens frondosa Mrs. W. J. Williamson 1919-8-8 338 Tuolumne Stanislaus River 213 Comment
  CAS-BOT-BC102054  Bidens frondosa L. R. Abrams 1920-9-29 7772 Merced Merced River, Merced Comment
  CAS-BOT-BC102055  Bidens frondosa John Thomas Howell 1929-10-4 4427 Placer 1 1/2 miles from Auburn on road to Colfax Comment
  CAS-BOT-BC102056  Bidens frondosa L. R. Abrams 1917-9-15 6758 Placer 3-5 miles above Auburn Comment
  CAS-BOT-BC102063  Bidens frondosa Louis C. Wheeler 1934-9-19 3285 Siskiyou Walker, Klamath National Forest 518 Comment
  CAS-BOT-BC102064  Bidens frondosa Henry M. Pollard 1956-10-7 s.n. Siskiyou Klamath River bar on Spink's Ranch at Roger's Creek, Somes Bar Comment
  CAS-BOT-BC102067  Bidens frondosa James R. Shevock 1979-9-29 6616 Tulare Along the Tule River at South Jaye Street bridge, Porterville 137 Comment
  CAS-BOT-BC102069  Bidens frondosa Lowell Ahart 1985-11-7 5238 Butte Near Ponderosa Dam Lake Oroville 274 Comment
  CAS-BOT-BC102072  Bidens frondosa Forman T. McLean 1921-9-29 23 Butte Chico Comment
  CAS-BOT-BC102074  Bidens frondosa Lowell Ahart 1976-6-27 s.n. Butte Near Honcut 150 Comment
  CAS-BOT-BC102075  Bidens frondosa Lowell Ahart 1983-9-17 4433 Butte At Dunkle Res., near Paradise 600 Comment
  CAS-BOT-BC102081  Bidens frondosa M. S. Jussel 1948-9-25 105 Merced Los Banos, Canal Comment
  CAS-BOT-BC102083  Bidens frondosa Walter Knight; Irja Knight; John Thomas Howell; E. McClintock; et. al 1978-9-5 3243 Contra Costa Browns Island, Yucca Landin Comment
  CAS-BOT-BC102084  Bidens frondosa F. C. Crawford 1963-9-16 101 Contra Costa Brentwood, Apricot Way. Milen's pipe line Comment
  CAS-BOT-BC102088  Bidens frondosa Mark Kerr 1939-8-18 s.n. Inyo near Fish Springs, 5 mi. S. of Big Pine Comment
  CAS-BOT-BC102094  Bidens frondosa Ernest C. Twisselmann 1964-9-16 10220 Kern Lake Isabella flood plain, ca. 2 miles south of Kernville 822 Comment
  CAS-BOT-BC102095  Bidens frondosa Doreen Smith 1988-8-1 s.n. Marin Margin of Scottsdale ponds, Novato Comment
  CAS-BOT-BC102096  Bidens frondosa Doreen Smith 1995-8-1 s.n. Marin Bel Marin [Keyes] Keys pond, Novato Comment
  CAS-BOT-BC102097  Bidens frondosa Doreen Smith 1989-9-1 s.n. Marin along Ignacio Creek near The Humane Society Comment
  CAS-BOT-BC290559  Bidens frondosa Peter Rubtzoff 1958-8-17 3891 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  CAS-BOT-BC290721  Bidens frondosa Peter Rubtzoff 1965-9-5 5644 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC300480  Bidens frondosa Peter Rubtzoff 1958-7-20 3785 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road) Comment
  CDA10509  Bidens frondosa G. D. Barbe 1983-9-13 4098 El Dorado Trout Lake, earth-dam reservoir at Mosquito and Highgrade Roads, northeast of Placerville. 0 Comment
  CDA10511  Bidens frondosa T. C. Fuller 1958-9-3 1238 -58 Stanislaus Couchman Farms, 3 miles north of Modesto. 0 Comment
  CDA10513  Bidens frondosa L. Brown 1958-1 Amador Ione Elementary School. 0 Comment
  CDA15318  Bidens frondosa B. Villegas, D. Joley, E. Gunderson 1998-9-14 s.n. Nevada Sierra Nevada; Hwy 49/20 at the Brunswick Exit in Nevada City. 0 Comment
  CDA16933  Bidens frondosa G. F. Hrusa, B. Meese 2001-9-22 15981 Sacramento Sacramento Delta; Snodgrass Slough immediately downstream from Lambert Rd. crossing. 0 Comment
  CLARK-A1528-1651  Bidens frondosa John C. Roos, Lucille Roos 1954-10-9 6254 Ventura Lake Sherwood 300 Comment
  GH404243  Bidens frondosa P. Rubtzoff 1956-9-15 2905 Unknown Altascadero Creek Marsh Comment
  HSC5198  Bidens frondosa R. Spellenberg 1964-9-10 602 Del Norte 15 miles E. of Gasquet on Hwy.199 Comment
  HSC5199  Bidens frondosa R. C. Wunner 1965-9-1 504 Modoc Lava Beds National Monument, near NE entrance to monument by shore of Tule Lake Comment
  HSC61105  Bidens frondosa Ruby Van Deventer 1960-9-25 Del Norte Crescent City area Comment
  JEPS24015  Bidens frondosa Rimo Bacigalupi with Drs. Reino and Aloha Alava 1958-9-3 6876 Siskiyou 2 mi w, in canyon of Portugese Creek Seiad Valley; Klamath River, Portugeuese Creek 396 Comment
  JEPS30651  Bidens frondosa Peter H. Raven and Henry J. Thompson 1959-9-27 14524 Ventura nw side of Lake Sherwood Santa Monica Mountains, Lake Sherwood 291 Comment
  OBI43752  Bidens frondosa R. D. Goeden 1986-9-10 s.n. Plumas NE shore of Round Valley Reservoir, 3 mi S of Greenville, Plumas Natl forest 1372 Comment
  OBI80370  Bidens frondosa David J. Keil 1988-9-17 21132 Fresno Along shores of Hume Lake. Comment
  POM129631  Bidens frondosa W. J. Williamson 1919-8-8 338 Tuolumne Stanislaus River 213 Comment
  POM180850  Bidens frondosa H. F. Copeland 1923-1 862 Butte Nelson Comment
  POM211183  Bidens frondosa L. C. Wheeler 1934-9-19 3285 Siskiyou Walker, Klamath River 518 Comment
  POM290157  Bidens frondosa Arthur L. Cohen 1935-8-23 724 Tulare Los Cenitos (?) Canyon. Pacific Ocean watershed. Comment
  POM312324  Bidens frondosa H. L. Mason, S. Galen Smith 1948-8-12 8333 Merced About 5 miles east of Gustine Comment
  POM350842  Bidens frondosa Geo L. Moxley 1916-8-17 508 Los Angeles L.A. riverbed near Broadway Bridge Comment
  POM350845  Bidens frondosa Samuel R. Tyson, Kay H. Beard 1943-9-24 s.n. Stanislaus 5 miles N of Modesto. Comment
  RSA0015633  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. N of Guerneville Road). Comment
  RSA0015634  Bidens frondosa Peter Rubtzoff 1958-9-20 3995 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  RSA0015635  Bidens frondosa Peter Rubtzoff 1958-8-17 3891 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi north of Guerneville Road). Comment
  RSA0015636  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh. Comment
  RSA0020331  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  RSA0020350  Bidens frondosa Peter Rubtzoff 1960-9-14 4528 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  RSA127942  Bidens frondosa Peter H. Raven 1959-9-27 14524 Ventura Santa Monica Mountains, north-west side of Lake Sherwood 291 Comment
  RSA132872  Bidens frondosa Simon Simonian 1953-9-8 983 Fresno Briggs Ditch, NW-SE section crossing of Temperance Ave. south of Kings Canyon Road, about 6 miles east of Fresno Comment
  RSA155645  Bidens frondosa L. S. Rose 1960-9-14 60092 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  RSA160437  Bidens frondosa J. D. Olmsted 1959-9-11 954 Inyo 1 mile W of Bishop on main road up Bishop Creek to Lake Sabrina, Sierra Nevada; drainage area: Owens River. 1311 Comment
  RSA167296  Bidens frondosa Joseph P. Tracy 1950-9-22 19367 Humboldt Klamath River, near Slate Creek, below Orleans 8 miles. 122 Comment
  RSA320361  Bidens frondosa J. R. Shevock 1979-9-29 6616 Tulare Along Tule River at the south Jaye Street bridge, Porterville 137 Comment
  RSA342010  Bidens frondosa R. F. Thorne 1979-8-25 53624 San Bernardino Holcomb Valley: W end of Big Bear Lake on N Shore Dr., S of Gray's Landing, 2056 Comment
  RSA43570  Bidens frondosa Mark Kerr 1939-8-27 s.n. Inyo Owens River bank E of Big Pine Comment
  RSA43695  Bidens frondosa Mark Kerr 1939-8-26 s.n. Inyo 2 mi. N of Lone Pine Comment
  RSA599076  Bidens frondosa L. C. Wheeler 1967-10-14 s.n. San Bernardino San Bernardino Mountains: Pilot Rock Conservation Camp vicinity. (Devil's Canyon?). Comment
  RSA607609  Bidens frondosa L. C. Wheeler 1966-10-25 9085 Los Angeles E. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canyon. Comment
  RSA724044  Bidens frondosa R. E. Riefner 2004-9-18 04 -420 Orange City of Yorba Linda; Santa Ana River, Horseshoe Bend, near La Palma Rd. and Via Del Rio Rd. 106 Comment
  RSA92410  Bidens frondosa Annetta Carter 1934-7-4 678 San Joaquin Borden Highway between Middle River and Holt Comment
  SBBG128778  Bidens frondosa L. Ahart 2013-11-17 19259 Butte sides of McCabe Crk, below the high water line of Lake Oroville, ca. 5/8 mi SW of Enterprise Bridge across Lake Oroville 245 Comment
  SD124888  Bidens frondosa R. D. Goeden 1986-9-10 Plumas Northeast shore of Round Valley Reservoir, 3 miles south of Greenville, Plumas National Forest. 1370 Comment
  SD249126  Bidens frondosa David Keil 1988-9-17 21132 San Luis Obispo Along shores of Hume Lake. Comment
  SEINET10473661  Bidens frondosa Lowell Ahart 1983-9-17 Ahart 4433 Butte T22N R4E se section 31. East end of Kunkle Reservoir Dam, south of Paradise. Foothill Woodland; 600 m. 600 Comment
  SEINET10473664  Bidens frondosa Mary Susan Taylor 1978-9-8 Taylor 1877 Butte Along flood control slough, ca. 4 mi N of Chico, along Hwy 99. 61 Comment
  SEINET10839335  Bidens frondosa Mary Susan Taylor 1979-10-2 Taylor 2208 Butte Sacramento River Chico Landing and park, off River Road near the washout, ca. 5 mi W of Chico; Riparian Woodland. 30 Comment
  SEINET10872129  Bidens frondosa Mary Susan Taylor 1982-8-14 Taylor 5139 Butte T20N R8E. Jct of French Creek and 21N56, 0.5 mi e of Mooretown Ridge Rd, ca. 3 mi n of Sly Creek Reservoir Dam, ca. 4 air mi n of Strawberry Valley. 4000 ft. 1219 Comment
  SEINET10938147  Bidens frondosa Lowell Ahart 1985-11-7 Ahart 5238 Butte Lake Oroville, on the north side of the South Fork of the Feather River, about 200 yards north-west of the Ponderosa Dam. Comment
  SEINET11842881  Bidens frondosa W. Knight, Knight, I. 1984-1 5291 Sonoma Spring Lake, Santa Rosa Comment
  SEINET11861631  Bidens frondosa J. P. Tracy 1950-9-22 19367 Humboldt Klamath River, near Slate Creek below Orleans 8 mi 122 Comment
  SEINET515854  Bidens frondosa Vernon H. Oswald 1998-9-8 9613 .1 Shasta Hwy 89 at its closest approach to Butney Creek just south of McArthur-Burney Falls Memorial State Park. 930 Comment
  SFV3765  Bidens frondosa A. M. Johnson 1934-10-3 4536 Los Angeles West Los Angeles. Along Selby Ave. between LeConte and Wilshire Blvd. Comment
  UC1192171  Bidens frondosa Malcolm A. Nobs 1948-9-25 687 b Placer 9 mi n of Auburn (Rock Creek Highway 49); Rock Creek, Highway 49 Comment
  UC1192174  Bidens frondosa Verne Grant and Irving Schneider 1947-7-19 8068 Modoc s of Alturas (Corporation ranch; irrigation ditch s of south loop road) Comment
  UC1222894  Bidens frondosa Joseph P. Tracy 1950-9-22 19367 Humboldt near Slate Creek (Klamath River, below Orleans 8 mi); Klamath River 121 Comment
  UC1222968  Bidens frondosa Joseph P. Tracy 1950-8-20 19318 Humboldt 2 mi sw of Orleans Comment
  UC473708  Bidens frondosa Mrs. W. J. Williamson 1919-8-8 338 Tuolumne Stanislaus River 213 Comment
  UC623299  Bidens frondosa Mark Kerr 1939-8-27 523 Inyo near Big Pine (Owens River bank); Owens River 1219 Comment
  UC893954  Bidens frondosa Mrs. W. J. Williamson 1919-8-8 338 Tuolumne Stanislaus River 213 Comment
  UC912219  Bidens frondosa Herbert L. Mason 1929-10-4 5452 Placer 1.5 mi from Auburn Comment
  UCD129458  Bidens frondosa Beecher Crampton 1961-10-31 6063 Sacramento Western city limits of Carmichael, El Camino Avenue junction with Eastern Avenue. Comment
  UCD129568  Bidens frondosa F. C. Crawford 1963-9-16 101 Sonoma Petaluma, Brentwood. Apricot Way. Comment
  UCD129572  Bidens frondosa G. F. Hrusa; S. A. Wagner 1992-8-9 9333 San Joaquin Oxbow Lake, Caswell Memorial State Park. Comment
  UCD129573  Bidens frondosa E. M. Johnston 1915-1 s.n. Butte Biggs. Comment
  UCD129574  Bidens frondosa P. B. Kennedy 1921-9-26 s.n. Madera New Ranch. Comment
  UCD129576  Bidens frondosa Malcolm A. Nobs; S. Galen Smith 1949-9-9 1856 a Lake Scott Creek, Bridge 1431, northwestern end of Clear Lake. Comment
  UCD129577  Bidens frondosa R. Raynor 1939-8-12 s.n. Merced T.H. Fox Ranch. Comment
  UCD129578  Bidens frondosa Walter Russell 1947-7-14 180 Tehama Red Bluff. Comment
  UCD129579  Bidens frondosa Dean W. Taylor 1976-10-31 6193 Tehama Sacramento River: 6 miles below Red Bluff diversion dam. Comment
  UCD129580  Bidens frondosa Joseph P. Tracy 1950-9-22 19367 Humboldt Klamath River, near Slate Creek, below Orleans 8 miles. From Orleans down the river. 121 Comment
  UCD62129  Bidens frondosa J. Buck 2000-6-1 104 Sacramento SACRAMENTO COUNTY: Cosumnes River Preserve, McFarland Ranch, located south of Twin Cities Road. Comment
  UCSC003475  Bidens frondosa Randall Morgan 2001-9-26 3788 Santa Cruz Santa Cruz, along northern edge, San Lorenzo River, straight back from house at 2121 Ocean Street Extension, Santa Cruz Comment
  UCSC004940  Bidens frondosa Ken Kellman 1998-9-12 1609 Santa Cruz Felton, Henry Cowell Redwoods State Park, San Lorenzo River at Big Rock Hole Comment



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