CCH1:
Featuring California vascular plant data from the Consortium of California Herbaria and other sources
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Biodiversity data provided by the participants of the Consortium of California Herbaria (Accessed through CCH1 Data Portal, ucjeps.berkeley.edu/consortium/, 2022 August 09.

Literature Citation:
CCH1 Portal. 2022. Biodiversity data provided by the participants of the Consortium of California Herbaria (https://ucjeps.berkeley.edu/consortium/ Accessed on August 09).

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Please send questions or comments to Jason Alexander (jason_alexander@berkeley.edu).


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    An accepted name was found==>Bidens frondosa.
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    You searched for: Bidens frondosa

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      F CCH1_AIDherbscientific namecoll. namecoll. num.formatted datecountylocality
    AHUC104092DAVBidens frondosaBeecher Crampton92761975-9-09 PlacerPlacer County: Gold Run rest area along Interstate Hwy. 8 W.
    AHUC104093DAVBidens frondosaBeecher Crampton60631961-10-31 SacramentoSacramento County: Western city limits of Carmichael, El Camino Avenue junction with Eastern Avenue.
    AHUC104094DAVBidens frondosaBeecher Crampton16381953-9-30 SutterSutter County: 5 miles east of Robbins, along irrigation canal east of Sutter Bypass.
    AHUC104095DAVBidens frondosaBeecher Crampton9271952-11-09 PlacerPlacer County: Along a ditch near Meadow Vista, about 6 miles east of Auburn.
    AHUC104096DAVBidens frondosaBeecher Crampton16331953-9-30 YoloYolo County: Knights Landing, Sycamore Slough.
    AHUC104097DAVBidens frondosaBeecher Crampton16331953-9-30 YoloYolo County: Knights Landing, Sycamore Slough.
    CAS-BOT102001CASBidens frondosaTrue, Gordon H.64271970-9-16 NevadaSpring Hill between Grass Valley and Nevada City
    CAS-BOT102002CASBidens frondosaTrue, Gordon H.74121972-8-23 NevadaFalls, ca. 2 miles southeast of Spenceville
    CAS-BOT102003CASBidens frondosaTrue, Gordon H.2281961-9-7 NevadaOn Highway 49, 2 miles south of Grass Valley
    CAS-BOT102004CASBidens frondosaRaven, Peter71711954-8-27 NevadaWestern outskirts of Nevada City
    CAS-BOT102005CASBidens frondosaHowell, John Thomas228491946-8-17 SonomaThe Laguna north of Sebastopol
    CAS-BOT102006CASBidens frondosaKnight, W. & I.52911984-8-28 SonomaSpring Lake, Santa Rosa
    CAS-BOT102007CASBidens frondosaBaker, Milo S.115601946-8-17 SonomaThe Laguna at Crossing of the Occidental Rd.
    CAS-BOT102009CASBidens frondosaWiggins, Ira L.221871976-10-1 TuolumneRoadside drainage ditch along Golf Club Drive, near E end of golf course, Twain Harte
    CAS-BOT102010CASBidens frondosaWiggins, Ira L.219411972-9-17 TuolumneRoadside along Meadow Drive, Twain Harte
    CAS-BOT102011CASBidens frondosaWilliamson, Mrs. W. J.3381919-8-8 TuolumneStanislaus River
    CAS-BOT102054CASBidens frondosaAbrams, L. R.77721920-9-29 MercedMerced River, Merced
    CAS-BOT102055CASBidens frondosaHowell, John Thomas44271929-10-4 Placer1 1/2 miles from Auburn on road to Colfax
    CAS-BOT102056CASBidens frondosaAbrams, L. R.67581917-9-15 Placer3-5 miles above Auburn
    CAS-BOT102057CASBidens frondosaAhart, Lowell31031981-9-6 Plumas1 1/2 miles SW of Crescent Mills
    CAS-BOT102058CASBidens frondosaRoos, J. C.30541946-9-20 San BernardinoMojave River near Apple Valley
    CAS-BOT102059CASBidens frondosaRaven, Peter H.166291961-9-10 San Bernardinonear pond, North Verde Ranch, near the Mojave River east of Victorville
    CAS-BOT102060CASBidens frondosaAtwater, BrianBA-1471978-9-16 San Joaquininside a meander of Middle River; between Victoria Is. and Upper Jones Tract
    CAS-BOT102061CASBidens frondosaHowell, John Thomas44081929-9-21 San JoaquinHolt
    CAS-BOT102062CASBidens frondosaGrant52781902-9-18 ShastaRedding
    CAS-BOT102063CASBidens frondosaWheeler, Louis C.32851934-9-19 SiskiyouWalker, Klamath National Forest
    CAS-BOT102064CASBidens frondosaPollard, Henry M.s.n.1956-10-7 SiskiyouKlamath River bar on Spink's Ranch at Roger's Creek, Somes Bar
    CAS-BOT102065CASBidens frondosaRaven, Peter H.; Thompson, Henry J.145241959-9-27 Venturanorth-west side of Lake Sherwood, Santa Monica Mountains
    CAS-BOT102066CASBidens frondosaHowell, John Thomas546221981-10-13 SutterBobelaine Audubon Sanctuary, Feather River at mouth of Bear River
    CAS-BOT102067CASBidens frondosaShevock, James R.66161979-9-29 TulareAlong the Tule River at South Jaye Street bridge, Porterville
    CAS-BOT102068CASBidens frondosaAhart, Lowell31671981-9-15 ButteAlong French Creek
    CAS-BOT102069CASBidens frondosaAhart, Lowell52381985-11-7 ButteNear Ponderosa Dam Lake Oroville 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
    CAS-BOT102070CASBidens frondosaAhart, Lowell63981989-9-21 ButteOn a small branch of French Creek, north of the gravel road, about 1 mile west of the Sly Creek Reservoir
    CAS-BOT102071CASBidens frondosaHeller, A. A.111341913-9-12 ButteChico, on Big Chico creek
    CAS-BOT102072CASBidens frondosaMcLean, Forman T.231921-9-29 ButteChico
    CAS-BOT102073CASBidens frondosaAhart, Lowell38571982-10-11 Buttewest of the check-in-station, Gray Lodge, about 12 miles south-west of Gridley
    CAS-BOT102074CASBidens frondosaAhart, Lowells.n.1976-6-27 ButteNear Honcut
    CAS-BOT102075CASBidens frondosaAhart, Lowell44331983-9-17 ButteAt Dunkle Res., near Paradise
    CAS-BOT102077CASBidens frondosaAhart, Lowells.n.1974-9-30 ButtePeter Ahart Ranch, Honcut
    CAS-BOT102078CASBidens frondosaDudley, Chesters.n.1927-9-12 StanislausModesto
    CAS-BOT102079CASBidens frondosaCulbertson46511904-10-4 FresnoMillwood
    CAS-BOT102080CASBidens frondosaCulbertson46511904-10-4 FresnoMillwood
    CAS-BOT102081CASBidens frondosaJussel, M. S.1051948-9-25 MercedLos Banos, Canal
    CAS-BOT102082CASBidens frondosaAhart, Lowell58631987-8-30 Buttealong the North Fork of the Feather River, near Poe Power House, about 2 miles southeast of Jarbo Gap
    CAS-BOT102083CASBidens frondosaKnight, Walter; Knight, Irja; Howell, John Thomas; McClintock, E.; et. al32431978-9-5 Contra CostaBrowns Island, Yucca Landin
    CAS-BOT102084CASBidens frondosaCrawford, F. C.1011963-9-16 Contra CostaBrentwood, Apricot Way. Milen's pipe line
    CAS-BOT102085CASBidens frondosaKnight, Walter31531978-8-27 Contra CostaContra Loma Regional Park
    CAS-BOT102086CASBidens frondosaKnight, Walter; Dean, Joanne31571978-8-14 Contra CostaBrowns Island
    CAS-BOT102087CASBidens frondosaSmith, S. Galen; Nobs, Malcom A.1758a1949-9-2 InyoMarshy meadow on Pine Creek road, 2 miles west of Highway 395, 13.5 miles north of Bishop
    CAS-BOT102088CASBidens frondosaKerr, Marks.n.1939-8-18 Inyonear Fish Springs, 5 mi. S. of Big Pine
    CAS-BOT102089CASBidens frondosaSmith, S. Galen; Nobs, Malcom A.1758a1949-9-2 InyoMarshy meadow on Pine Creek road, 2 miles west of Highway 395, 13.5 miles north of Bishop
    CAS-BOT102090CASBidens frondosaHowell, John Thomas389261962-9-25 KernNear Kernville
    CAS-BOT102091CASBidens frondosaHowell, John Thomas474151970-9-25 KernKernville
    CAS-BOT102092CASBidens frondosaTwisselmann, Ernest C.90151963-9-18 KernWeldon Road, 1 mile south of Kernville
    CAS-BOT102093CASBidens frondosaTwisselmann, Ernest C.64751961-8-21 KernKern River just east of the Kernville Cemetery
    CAS-BOT102094CASBidens frondosaTwisselmann, Ernest C.102201964-9-16 KernLake Isabella flood plain, ca. 2 miles south of Kernville
    CAS-BOT102095CASBidens frondosaSmith, Doreens.n.1988-8-1 MarinMargin of Scottsdale ponds, Novato
    CAS-BOT102096CASBidens frondosaSmith, Doreens.n.1995-8-1 MarinBel Marin [Keyes] Keys pond, Novato
    CAS-BOT102097CASBidens frondosaSmith, Doreens.n.1989-9-1 Marinalong Ignacio Creek near The Humane Society
    CAS-BOT290551CASBidens frondosaRubtzoff, Peter40121958-9-27 SonomaLaguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road).
    CAS-BOT290558CASBidens frondosaRubtzoff, Peter29051956-9-15 SonomaAtascadero Creek Marsh.
    CAS-BOT290559CASBidens frondosaRubtzoff, Peter38911958-8-17 SonomaLaguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road).
    CAS-BOT290560CASBidens frondosaRubtzoff, Peter39951958-9-20 SonomaLaguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road).
    CAS-BOT290660CASBidens frondosaRubtzoff, Peter72971973-9-4 SonomaRussian River bottom at Forest Hills (5.5 miles east of Guerneville).
    CAS-BOT290706CASBidens frondosaRubtzoff, Peter50901962-9-16 SonomaVacation Beach, 1.5 miles below Guerneville along Russian River.
    CAS-BOT290718CASBidens frondosaRubtzoff, Peter59841968-9-21 SonomaRussian River bottom at Forest Hills (5.5 miles east of Guerneville).
    CAS-BOT290719CASBidens frondosaRubtzoff, Peter45091960-6-25 SonomaLaguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads.
    CAS-BOT290721CASBidens frondosaRubtzoff, Peter56441965-9-5 SonomaRussian River bottom at Forest Hills (5.5 miles east of Guerneville).
    CAS-BOT290722CASBidens frondosaRubtzoff, Peter47121961-8-24 SonomaVacation Beach, 2 miles below Guerneville along Russian River.
    CAS-BOT290723CASBidens frondosaRubtzoff, Peter45281960-9-14 SonomaLaguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads.
    CAS-BOT300480CASBidens frondosaRubtzoff, Peter37851958-7-20 SonomaLaguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road)
    CDA0010506CDABidens frondosaL. Ahart132742006-9-11 ButteSouth 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.
    CDA0010507CDABidens frondosaM. Tu771997-7-16 SacramentoCosumnes 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.
    CDA0010508CDABidens frondosaM. Tu771997-7-16 SacramentoCosumnes 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.
    CDA0010509CDABidens frondosaG.D. Barbe40981983-9-13 El DoradoTrout Lake, earth-dam reservoir at Mosquito and Highgrade Roads, northeast of Placerville.
    CDA0010510CDABidens frondosaJoanna Clines19202005-8-15 MaderaAlong State Highway 41, south and north of County Road 620 (Bisset Station Road).
    CDA0010511CDABidens frondosaT.C. Fuller1238-581958-9-03 StanislausCouchman Farms, 3 miles north of Modesto.
    CDA0010512CDABidens frondosaA.G. Murdock1622003-9-12 SolanoMare Island. West center of island at end of Tennessee. Canon.
    CDA0010513CDABidens frondosaL. Brown1958-1-01 AmadorIone Elementary School.
    CDA0012774CDABidens frondosaG.F. Hrusa82041990-9-04 SacramentoUpper end of estuary at S end of American River Bluffs. Natoma Unit-Folsom Lake State Rec. Area.
    CDA0015070CDABidens frondosaG.F. Hrusa148781998-10-11 SacramentoGeorgiana Slough, middle part. Sacramento Delta.
    CDA0015318CDABidens frondosaB. Villegass.n.1998-9-14 NevadaHwy 49/20 at the Brunswick Exit in Nevada City. Sierra Nevada.
    CDA0015560CDABidens frondosaG.F. Hrusa148911998-10-14 San JoaquinCaswell Memorial State Park on Stanislaus River. W terminus of Fence Line trail.
    CDA0016933CDABidens frondosaG.F. Hrusa159812001-9-22 SacramentoSnodgrass Slough immediately downstream from Lambert Rd. crossing. Sacramento Delta.
    CDA0021290CDABidens frondosaG.F. Hrusa170772007-10-18 YoloMerritt boat launch on W side of Sacramento River approx. 1 N of Hood. Sacramento Delta.
    CDA0042925CDABidens frondosaL. Ahart184582012-9-28 ButteJust east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
    CDA0042976CDABidens frondosaL. Ahart192592013-11-17 ButteAlong 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.
    CDA0044312CDABidens frondosaD.G. Kelch11.7672011-9-23 Contra CostaAntioch. Dow Wetlands.
    CDA0049632CDABidens frondosaD.G. Kelch13.351B2013-9-9 El DoradoCCentral Valleyentral Valley,Central Valley.
    CDA0054106CDABidens frondosaBruce Claytons.n.1975-9-15 FresnoFresno, corner of West and Floral, growing along roadside with Centaurea solstitialis.
    CDA0054107CDABidens frondosaT. Clarke, T. Zapanovichs.n.1973-7-13 Fresnowest side Fresno city.
    CHSC101052CHSCBidens frondosaJohn Dittes15482008-10-8 TehamaNorthern Sacramento Valley; east bank of Sacramento River at southern edge of Mill Creek confluence; sand bar in active floodplain of Sacremento River. T2 N R0 W S USGS Quadrangle: Los Molinos 1:24,000
    CHSC110394CHSCBidens frondosaLowell Ahart184682012-9-28 ButteGravel bar in the middle of Big Chico Creek, about 30 yards east of the freeway, Lower Bidwell Park, Chico. T2 N R01E S2 W1/4
    CHSC110397CHSCBidens frondosaLowell Ahart184582012-9-28 ButteJust east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico. T2 N R01E S26 NE1/4
    CHSC113131CHSCBidens frondosaLowell Ahart192592013-11-17 ButteAlong 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. T2 N R06E S0 W1/4
    CHSC116138CHSCBidens frondosaLowell Ahart205902015-10-26 ButteStrand 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. T2 N R04E S06 SE1/4
    CHSC116315CHSCBidens frondosaLowell Ahart206712015-11-19 Yuba100 yards or more north of the spillway area, below the high water line, west side of Lake Francis, about 1_ miles south of Dobbins. T1 N R07E S05 NE1/4
    CHSC119832CHSCBidens frondosaLowell Ahart216662017-9-22 ButteOn the north edge of North Honcut Creek, about 1 mile north 2 _ miles east of Honcut, about 13 miles southeast of Oroville. Elevation 114 GPS feet. T1 N R04E S1 W1/4
    CHSC25452CHSCBidens frondosaMarc Hayes1011977-9-12 ButteCa. 1 N of wooden foot-bridge across W branch of Clear Creek on Butte College Canon of Pentz and Clark Rds.
    CHSC26659CHSCBidens frondosaM. S. Taylor15031977-8-16 ButteIn Clear Creek, Butte College Campus, ca. 15 mi S of Chico.
    CHSC28384CHSCBidens frondosaJ. D. Jokerst3841979-10-13 ButteIntersection of Concow Cr. and Jordan Hill Rd., 0.8 W of Concow Rd. T2 N R04E S21 SE1/4
    CHSC28424CHSCBidens frondosaM. S. Taylor22081979-10-02 ButteSacramento River at Chico Landing, ca. 5 W of Chico.
    CHSC30286CHSCBidens frondosaM. S. Taylor18771978-9-08 ButteAlong flood control slough, ca. 4 N of Chico, on Hwy 99.
    CHSC30414CHSCBidens frondosaM. Merryman501979-9-23 ButteSW of Chico, just E of Ord Ferry and Sacramento River. T2 N R0 W S USGS Quadrangle: Ord Ferry 1:24,000
    CHSC31576CHSCBidens frondosaLowell Ahart11451976-6-27 ButteAlong the edge of North Honcut Creek, near Honcut.
    CHSC32369CHSCBidens frondosaJ. D. Jokerst12291979-11-13 ButteTable Mountain. Top of North Table Mountain, ca. 10 N of Cherokee Rd at the E edge of the mountain. T20N R04E S17 USGS Quadrangle: Oroville 1:24,000
    CHSC34182CHSCBidens frondosaLowell Ahart31671981-9-15 ButteWhere the road forks and crosses French Creek, ca. 1 W of Sly Creek Reservoir.
    CHSC34899CHSCBidens frondosaM. S. Taylor42681981-9-02 PlumasN tip of Round Valley Reservoir by rd 204, ca. 3 air mi S of Greenville. T2 N R09E S1 W1/4 of SW1/4 USGS Quadrangle: Greenville SW
    CHSC38327CHSCBidens frondosaVernon H. Oswald10281983-8-26 ButteUpper Bidwell Park, Chico, at Horseshoe Lake.
    CHSC39407CHSCBidens frondosaLowell Ahart44331983-9-17 ButteEast end of Kunkle Reservoir Dam, south of Paradise. T2 N R04E S31 SE1/4
    CHSC40911CHSCBidens frondosaLowell Ahart52381985-11-07 ButteAbout 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 _ mile west of the Ponderosa Dam.
    CHSC41879CHSCBidens frondosaLowell Ahart54741986-11-14 ButteAbout 1/10 mile south of the clay burrow for Oroville Dam, _ mile east of Larkin Road, about 6 miles southwest of Oroville.
    CHSC43272CHSCBidens frondosaLowell Ahart58631987-8-30 ButteOn sand and gravel bars along the North Fork of the Feather River, near the Poe Power House, about 2 miles southeast of Jarbo Gap.
    CHSC47653CHSCBidens frondosaLowell Ahart63981989-9-21 ButteOn a small branch of French Creek, north of the gravel road, about 1 mile west of the Sly Creek Reservoir. T2 N R08E S05 Center
    CHSC61023CHSCBidens frondosaVernon H. Oswald57691993-8-05 GlennSacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, N edge of Cell 2, Tract 4. T1 N R0 W S03 NE1/4 of SW1/4
    CHSC66355CHSCBidens frondosaVernon H. Oswald78331996-6-20 ButteSacramento 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. T2 N R01E S0 W1/4 of NW1/4
    CHSC66872CHSCBidens frondosaVernon H. Oswald82601996-9-04 TehamaCascade Range Foothills. Hogs Lake Plateau. BLM parcel along Hwy. 3 NE of Red Bluff. Paynes Creek ca. 1 mi upstream from the old bridge site. T28N R0 W S14 SE1/4 of NE1/4
    CHSC71850CHSCBidens frondosaVernon H. Oswald9613.11998-9-08 ShastaHwy 89 at its closest approach to Burney Creek just south of McArthur-Burney Falls Memorial State Park. T3 N R01E S04 SE1/4
    CHSC72247CHSCBidens frondosaLowell Ahart80531998-9-11 ButteSeep area west of the cattle chute on the west side of Cherokee Road, North Table Mountain, about 7 (air) miles north of Oroville. T2 N R04E S17 NE1/4
    CHSC72296CHSCBidens frondosaL. P. Janeway62751998-9-10 PlumasAlong the northwest shore of Snake Lake; about 5 mi northwest of Quincy. T2 N R09E S06 NE1/4 of NE1/4 USGS Quadrangle: Meadow Valley 1:24,000
    CHSC76266CHSCBidens frondosaLowell Ahart82621999-9-21 ButteLarge 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. T2 N R0 W S
    CHSC76267CHSCBidens frondosaLowell Ahart82351999-9-17 YubaOn 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. T1 N R04E S
    CHSC79663CHSCBidens frondosaB. Villegas1998-9-14 NevadaSierra Nevada. Drainage ditch off Hwy 49/20 at the Brunswick Exit in Nevada City.
    CHSC81750CHSCBidens frondosaLowell Ahart93672001-10-16 PlumasOn 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. T2 N R09E S1 W1/4
    CHSC84621CHSCBidens frondosaLowell Ahart105692003-9-17 TehamaOn 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. T2 N R0 W S
    CHSC94573CHSCBidens frondosaLowell Ahart132742006-9-11 ButteSouth 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. T2 N R05E S32 NE1/4
    CHSC94746CHSCBidens frondosaLowell Ahart133442006-9-26 ColusaAlong 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. T1 N R0 W S33 SW1/4
    CHSC94892CHSCBidens frondosaLowell Ahart133632006-9-28 ButteOn 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. T2 N R05E S1 W1/4
    CHSC95190CHSCBidens frondosaR. D. Fischer8372004-8-10 GlennCapay. Northern Sacramento Valley, along the Sacramento River, ca. 4 miles north of Capay off of private property adjacent river.
    CHSC97459CHSCBidens frondosaLowell Ahart144972007-9-18 YubaOn 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. T1 N R07E S01 NE1/4
    CHSC97740CHSCBidens frondosaLowell Ahart145702007-11-3 ButteBelow 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. T2 N R04E S06 NE1/4
    CLARK-A1528-1651CLARKBidens frondosaJohn C. Roos, Lucille Roos62541954-10-09 VenturaLake Sherwood
    CLARK-A1528-1652CLARKBidens frondosaJohn C. Roos52651951-9-25 RiversideRiverside
    CLARK-A1528-171CLARKBidens frondosaJohn C. Roos52651951-9-25 RiversideRiverside
    CLARK-A1528-5452CLARKBidens frondosaJohn C. Roos52651951-9-25 RiversideRiverside
    DAV330835DAVBidens frondosaLowell Ahart192592013-11-17 ButteButte County: McCabe Creek, about 5/8 mile southwest of the Enterprise Bridge across Lake Oroville.
    DAV330836DAVBidens frondosaEric Wohlgemuth10--2051992-6-21 SacramentoSacramento Co.: Cosumnes River Preserve Plant Inventory. Area 10: Location of public river walk trail.
    DAV330837DAVBidens frondosaJ. Buck1042000-6-1 SacramentoCALIFORNIA: SACRAMENTO COUNTY: Cosumnes River Preserve, McFarland Ranch, located south of Twin Cities Road.
    DAV330838DAVBidens frondosaM. Tu1811995-9-12 SacramentoSacramento Co.: Cosumnes River Preserve Plant Inventory - Tall Forest. Collected from the southern end of the Tall Forest about 150 m from the pump station.
    DAV330839DAVBidens frondosaM. Tu771997-7-16 SacramentoSacramento Co.: 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.
    DAV330840DAVBidens frondosaF. C. Crawford1011963-9-16 SonomaSonoma County: Petaluma, Brentwood. Apricot Way.
    DAV330841DAVBidens frondosaC. F. Dunshee131922-9-02 ColusaColusa County: Cortena.
    DAV330842DAVBidens frondosaG. K. Helmkamp129192007-9-10 El DoradoEl Dorado Couty: Northern Sierra Nevada Mountains: Lake Oaks Mobile Home Park, Diamond Springs; near junction of CA-49 and Patterson Drive.
    DAV330843DAVBidens frondosaG. K. Helmkamp129552007-9-14 PlacerPlacer County: Northern Sierra Nevada Mountains. Along Mosquito Ridge Road, 0.4 mile east of Foresthill.
    DAV330844DAVBidens frondosaG. F. Hrusa93331992-8-09 San JoaquinSan Joaquin County: Oxbow Lake, Caswell Memorial State Park.
    DAV330928DAVBidens frondosaMalcolm A. Nobs1856a1949-9-09 LakeLake County: Scott Creek, Bridge 1431, northwestern end of Clear Lake.
    DAV330929DAVBidens frondosaMalcolm A. Nobs1758a1949-9-02 InyoInyo County: Pine Creek Road, 2 miles west of Highway 395, 13.5 miles north of Bishop.
    DAV330930DAVBidens frondosaRodney Gale Myatt16871972-6-01 PlacerAlong Forest Hill and Soda Springs Road. Northeast of Auburn.
    DAV330931DAVBidens frondosaRodney Gale Myatt16821972-6-01 NevadaWashington River. North of Hwy 20, about 20 mi. east of Nevada City, near community of Washington.
    DAV330932DAVBidens frondosaP. B. Kennedys.n.1921-9-26 MaderaMadera County: New Ranch.
    DAV330933DAVBidens frondosaE. M. Johnstons.n.1915 ButteButte County: Biggs.
    DAV330934DAVBidens frondosaR. Raynors.n.1939-8-12 MercedMerced County: T.H. Fox Ranch.
    DAV330935DAVBidens frondosaPatricia Lesky15--201993-6-13 SacramentoSacramento Co.: 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.
    DAV330936DAVBidens frondosaWalter Russell1801947-7-14 TehamaTehama County: Red Bluff.
    DAV330937DAVBidens frondosaJ. E. Sandoval781995-9-25 MercedMerced Co.: 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.
    DAV330938DAVBidens frondosaDean W. Taylor61931976-10-31 TehamaTehama County: Sacramento River: 6 miles below Red Bluff diversion dam.
    DAV330939DAVBidens frondosaJoseph P. Tracy193671950-9-22 HumboldtHumboldt County: Klamath River, near Slate Creek, below Orleans 8 miles. From Orleans down the river.
    DAV330940DAVBidens frondosaErnest C. Twisselmann64751961-8-21 KernKern County: Kern River just east of the Kernville Cemetery.
    DAV330941DAVBidens frondosaErnest C. Twisselmann90151963-9-18 KernKern County: Sierra Nevada. Weldon Road, 1 mile south of Kernville.
    DAV338071DAVBidens frondosaKonshau Duman1462019-6-14 GlennBird Haven Ranch, Butte City, About 100 meters East of Garden Pond by Main House in seasonal pond near small island with willows.
    DAV338072DAVBidens frondosaKonshau Duman1462019-6-14 GlennBird Haven Ranch, Butte City, About 100 meters East of Garden Pond by Main House in seasonal pond near small island with willows.
    HSC103997HSCBidens frondosaL. Ahart192592013-11-17 ButteAbout 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
    HSC104183HSCBidens frondosaG.K. Helmkamp198632012-9-17 El DoradoNorthern Sierra Nevada Mountains Foothills: north of Pollock Pines, along Forebay Rd. at South Fork American River
    HSC27220HSCBidens frondosaJ.P. Smith47931971-9-18 SiskiyouHwy. 3, between Callahan and Etna at the turnoff to the Proctor Ranch.
    HSC42937HSCBidens frondosaKen Stillman4371976-8-24 SiskiyouAlong the Klamath River at Williams Point
    HSC5198HSCBidens frondosaR. Spellenberg6021964-9-10 Del Norte15 miles E. of Gasquet on Hwy.199
    HSC5199HSCBidens frondosaR.C. Wunner504A1965-9-01 ModocLava Beds National Monument, near NE entrance to monument by shore of Tule Lake
    HSC61105HSCBidens frondosaRuby Van Deventersn1960-9-25 Del NorteCrescent City area
    HSC82607HSCBidens frondosaJames D. Morefield31171985-8-25 InyoAt the spring 1 mi. S of the mouth of Silver Canon, 1.5 mi. ESE of Laws, Owens Valley drainage
    HSC97042HSCBidens frondosaL. Ahart132742006-9-11 ButteS 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
    JEPS101383UCJEPSBidens frondosaDean W. Taylor173711999-9-16 MaderaSan Joaquin River 0.5 miles west (downstream) from Skaggs Bridge (Highway 145 10 miles S of Madera)
    JEPS102555UCJEPSBidens frondosaLowell Ahart93672001-10-16 PlumasOn 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.
    JEPS104382UCJEPSBidens frondosaLowell Ahart105692003-9-17 TehamaOn 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.
    JEPS108781UCJEPSBidens frondosaLowell Ahart133442006-9-26 ColusaAlong 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
    JEPS108975UCJEPSBidens frondosaLowell Ahart132742006-9-11 ButteSouth 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
    JEPS109289UCJEPSBidens frondosaDean W. Taylor183312002-8-31 TrinityClair Engle Reservoir, upper end along Hwy 3 ca. 2 miles S of Carrville, upper Trinity watershed.
    JEPS110125UCJEPSBidens frondosaLowell Ahart133632006-9-28 ButteOn 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
    JEPS111645UCJEPSBidens frondosaA. G. Murdock1622003-9-12 SolanoMare Island West center of island at end of Tennessee
    JEPS115000UCJEPSBidens frondosaLowell Ahart145702007-11-3 ButteBelow 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
    JEPS115047UCJEPSBidens frondosaLowell Ahart, Lawrence Janeway, Linnea Hanson144972007-9-18 YubaOn 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
    JEPS119942UCJEPSBidens frondosaLowell Ahart184582012-9-28 ButteJust east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
    JEPS120603UCJEPSBidens frondosaLowell Ahart192592013-11-17 ButteMcCabe Creek, below the high water line of Lake Oroville, about 5/8 mile southwest of the enterprise Bridge across Lake Oroville.
    JEPS122693UCJEPSBidens frondosaJake Ruygt18821986-7-19 NapaEast bank of Napa River below confluence with Tulocay Creek. Quad: Napa.
    JEPS124257UCJEPSBidens frondosaLowell Ahart205902015-10-26 ButteAbout 1 mile (air) southeast of Kunckle Reservoir, about 5 miles (air) southeast of Paradise.
    JEPS124267UCJEPSBidens frondosaLowell Ahart206712015-11-19 YubaWest side of Lake Francis, about 1 1/2 miles south of Dobbins.
    JEPS24015UCJEPSBidens frondosaRimo Bacigalupi, Drs. Reino, Aloha Alava68761958-9-03 Siskiyou2 mi w, in canyon of Portugese Creek Seiad Valley; Klamath River, Portugeuese Creek
    JEPS25018UCJEPSBidens frondosaG. Thomas Robbins39421958-10-04 Alamedaabout equidistant between Eastshore Freeway and Oakland Municipal Airport, along Hegenberger Road, Oakland Oakland Municipal Airport
    JEPS26041UCJEPSBidens frondosaLewis S. Rose600921960-9-14 Sonoma2 mi e Graton; Laguna de Santa Rosa
    JEPS30651UCJEPSBidens frondosaPeter H. Raven, Henry J. Thompson145241959-9-27 Venturanw side of Lake Sherwood Santa Monica Mountains, Lake Sherwood
    JEPS30677UCJEPSBidens frondosaPeter H. Raven166291961-9-10 San Bernardinoe of, near pond, North Verde Ranch, near the Mojave River Victorville
    JEPS31094UCJEPSBidens frondosaErnest C. Twisselmann64751961-8-21 Kernjust e of Kernville Cemetery; Sierra Nevada, Kern River
    JEPS32531UCJEPSBidens frondosaWillis L. Jepson153401928-10-01 GlennOrland
    JEPS32532UCJEPSBidens frondosaWillis L. Jepson152851929-9-27 TehamaManton, edge of streamlet
    JEPS32535UCJEPSBidens frondosaWillis L. Jepson102791923-10-22 San JoaquinUnion Island, Lower San Joaquin River Lower San Joaquin River
    JEPS32541UCJEPSBidens frondosaWillis L. Jepson1891-9-17 SacramentoLower Sac. Grand Island
    JEPS32543UCJEPSBidens frondosaElizabeth Day Palmer1908-8-15 Los AngelesArroyo Seco
    JEPS32546UCJEPSBidens frondosaR. F. Hoover1701934-10-20 StanislausModesto
    JEPS33457UCJEPSBidens frondosaErnest C. Twisselmann90151963-9-18 Kern1 mi s of, on Weldon Road Kernville; Sierra Nevada
    JEPS45176UCJEPSBidens frondosaPerry Allen1961-8-28 Stanislausvicinity of La Grange
    JEPS7753UCJEPSBidens frondosaPeter H. Raven79711954-8-27 Nevadaw outskirts Nevada City; Sierra Nevada
    JEPS79580UCJEPSBidens frondosaEdward Lee, A. Carter, F. Little9551934-7-04 San JoaquinBorden Road between Middle River and Holt
    JEPS79581UCJEPSBidens frondosaEdward Lee, A. Carter, F. Little9551934-7-04 San JoaquinBorden Road between Middle River and Holt
    JEPS8224UCJEPSBidens frondosaG. Thomas Robbins, D. M. Post, J. W. Dawson, P. H. Raven36501954-9-03 Mercedabout 0.8 mi n of, along road between Gustine and Volta Ingomar
    JEPS88392UCJEPSBidens frondosaVernon H. Oswald, Lowell Ahart82601996-9-04 TehamaBLM 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
    JEPS94090UCJEPSBidens frondosaVernon H. Oswald, Lowell Ahart9613.11998-9-08 ShastaHwy. 89 at its closest approach to Burney Creek just s. McArthru-Burney Falls Memorial State Park (edge of creek)
    JEPS94871UCJEPSBidens frondosaLowell Ahart80531998-9-11 Butteabout 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
    LA202619LABidens frondosaArthur C. Gibson51382006-9-6 VenturaSanta Monica Mountains; S of Westlake Village on State Hwy 23 at Lake Eleanor, NE corner of dam
    LA212045LABidens frondosaR.G. Swinney115872009-11-9 Los AngelesTransverse Ranges; San Gabriel Mountains; Confluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork
    LA213681LABidens frondosaLouis C. Wheeler32851934-9-19 SiskiyouSiskiyou Mountains; Walker, Klamath River
    LA31648LABidens frondosaPeter H. Raven145241959-9-27 VenturaSanta Monica Mountains; Hidden Valley; NW-side of Lake Sherwood
    NCC003274NCCBidens frondosaBaker, Milo S.116121946-9-04 ColusaButte Sink, near locked gate of Colusa Gun Club
    NCC003275NCCBidens frondosaBaker, Milo S.115601946-8-17 SonomaAt the crossing of the Occidental Rd.
    NCC21927NCCBidens frondosaWagnon, H. K.18331988-9-17 SonomaSpring Lake Village, Montgomery Dr, Santa Rosa
    OBI148371OBIBidens frondosaPeter Rubtzoff56441965-9-05 SonomaRussian River bottom at Forest Hills (5.5 miles east of Guerneville).
    OBI165790OBIBidens frondosaDavid J. Keil211321988-9-17 FresnoAlong shores of Hume Lake.
    OBI165791OBIBidens frondosaJoseph P. Tracy193671950-9-22 HumboldtKlamath River, near Slate Crk. Below Orleans 8 mi
    OBI165792OBIBidens frondosaR.D. Goedens.n.1986-9-10 PlumasNE shore of Round Valley Reservoir, 3 mi S of Greenville, Plumas Natl forest
    OBI167481OBIBidens frondosaGeorge K. Helmkamp223012013-9-23 CalaverasUtica Powerhouse Road (beside Angel's Creek), 0.6 mile northeast of its junction with CA-4
    POM129631RSABidens frondosaW. J. Williamson3381919-8-08 TuolumneStanislaus River
    POM180850RSABidens frondosaH. F. Copeland8621923--1 ButteNelson
    POM211183RSABidens frondosaL. C. Wheeler32851934-9-19 SiskiyouWalker, Klamath River
    POM264773RSABidens frondosaL. C. Wheeler22321933-11-05 San BernardinoArrowhead Village, Lake Arrowhead.
    POM290157RSABidens frondosaArthur L. Cohen7241935-8-23 TulareLos Cenitos (?) Canon. Pacific Ocean watershed.
    POM312324RSABidens frondosaH. L. Mason83331948-8-12 MercedAbout 5 miles east of Gustine
    POM350839RSABidens frondosaWm. Martin200221971-9-08 Inyo5 miles NW of Bishop on Hwy 395.
    POM350840RSABidens frondosaL. C. Wheeler14011932-9-19 Los AngelesLos Angeles R. [River] at Los Feliz Blvd
    POM350841RSABidens frondosaAnstruther Davidson32711917-9-1 Los AngelesLos Angeles.
    POM350842RSABidens frondosaGeo L. Moxley5081916-8-17 Los AngelesL.A. riverbed near Broadway Bridge
    POM350843RSABidens frondosaWm. Martin202051971-9-10 Placer8 miles east of Auburn on Hwy. 80, road to Applegate.
    POM350844RSABidens frondosaChristopher Davidson32041975-8-30 San BernardinoBig Bear Lake, South Shore Drive. Along beach to N of road, ca. 100 yds E of the dam
    POM350845RSABidens frondosaSamuel R. Tysons.n.1943-9-24 Stanislaus5 miles N of Modesto.
    POM4981RSABidens frondosaAnstruther Davidsons.n.1917-9-15 Los AngelesAlvarado St.
    POM54099RSABidens frondosaCulbertson46511904-10-04 FresnoMillwood.
    PUA44596PUABidens frondosaG.L. Clifton1974-9-06 PlumasLocal landmark: Smith Lake. Bucks Lake Quad.
    PUA60100PUABidens frondosaG.L. Clifton1984-7-02 SutterLocal landmark: Sutter Bypass. Gilsizer Slough Quad.
    PUA65421PUABidens frondosaJake Ruygt1986-7-19 NapaLocal landmark: Imola. Napa Quad.
    PUA8580PUABidens frondosaG.L. Clifton1975-9-19 PlumasLocal landmark: Rock Creek Dam. Pulga Quad.
    RSA0015633RSABidens frondosaPeter Rubtzoff40121958-9-27 SonomaLaguna de Santa Rosa, northeast of Graton (0.5 N of Guerneville Road).
    RSA0015634RSABidens frondosaPeter Rubtzoff39951958-9-20 SonomaLaguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.)
    RSA0015635RSABidens frondosaPeter Rubtzoff38911958-8-17 SonomaLaguna de Santa Rosa, northeast of Graton (0.5 mi north of Guerneville Road).
    RSA0015636RSABidens frondosaPeter Rubtzoff29051956-9-15 SonomaAtascadero Creek Marsh.
    RSA0015838RSABidens frondosaLeRoy Gross62122013-10-17 Los AngelesHansen 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.; Sunland 7.5 quad
    RSA0020331RSABidens frondosaPeter Rubtzoff72971973-9-04 SonomaRussian River at Forest Hills, 5.5 mi east of Guerneville.
    RSA0020350RSABidens frondosaPeter Rubtzoff45281960-9-14 SonomaLaguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads.
    RSA0035339RSABidens frondosaLowell Ahart184582012-9-28 ButteJust east of the east end of Sycamore Pool in Big Chico Creek, Lower Bidwell Park, Chico.
    RSA0035896RSABidens frondosaR. G. Swinney11587A2009-11-9 Los Angelesconfluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork; Glendora 7.5 Q.
    RSA0037017RSABidens frondosaLowell A. Ahart192592013-11-17 ButteAlong 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.
    RSA0058200RSABidens frondosaRichard G. Swinney136672010-9-1 Los AngelesSan 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.; Sunland 7.5 Quad
    RSA0093482RSABidens frondosaGeorge K. Helmkamp199992012-10-8 NevadaNorthern Sierra Nevada Mountains Foothills. Higgins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley.; Lake Combie 7.5' Q.
    RSA0113780RSABidens frondosaLeRoy Gross77062016-9-1 VenturaThe Nature Conservancy (TNC). Loughman Property; East of the Santa Paula Creek junction. South of Highway 126, off of S. Hallock Dr. Started near 34.35 N 119.03 W, ended near 34.35288N 119.03742W.
    RSA0114000RSABidens frondosaLeRoy Gross77182016-8-24 VenturaThe Nature Conservancy (TNC). Vulcan Property. End of Torex/Main Road, Piru. South of Highway 126. Started near 34.39 N 118.79 W. Survey up river to 34.40147N 118.75117.
    RSA0150384RSABidens frondosaJon P. Rebman336662017-8-22 San DiegoCanon: southwestern portion of Base; Training Area SMR One: southwest of the main air station on Base and just off of North River Road; on the west side of the Santa Margarita River. Atlas Square: G5.
    RSA0167217RSABidens frondosaDuncan S. Bell109782017-6-13 San BernardinoSan Bernardino National Forest; post-fire surveys on the Pilot Fire of 2016; collecting in Grass Valley, approximately 2 air miles west northwest from the summit of the Pinnacles.; Silverwood Lake
    RSA124899RSABidens frondosaA. G. O'Berg191955-10-07 Fresno7 miles NW of Kerman, 1.5 miles N of Belmont Road on Yuba Road, W of road in drainage ditch of alkali sink.
    RSA127942RSABidens frondosaPeter H. Raven145241959-9-27 VenturaSanta Monica Mountains, north-west side of Lake Sherwood
    RSA132872RSABidens frondosaSimon Simonian9831953-9-08 FresnoBriggs Ditch, NW-SE section crossing of Temperance Ave. south of Kings Canon Road, about 6 miles east of Fresno
    RSA151165RSABidens frondosaPeter H. Raven166291961-9-10 San BernardinoNorth Verde Ranch, near the Mojave River east of Victorville
    RSA152113RSABidens frondosaWesley O. Griesels.n.1961-8-28 InyoBishop
    RSA155645RSABidens frondosaL. S. Rose600921960-9-14 SonomaLaguna de Santa Rosa, 2 miles east of Grafton
    RSA160437RSABidens frondosaJ. D. Olmsted9541959-9-11 Inyo1 mile W of Bishop on main road up Bishop Creek to Lake Sabrina, Sierra Nevada; drainage area: Owens River.
    RSA164114RSABidens frondosaE. C. Twisselmann90151963-9-18 KernWeldon Rd., 1 mi. S of Kernville.
    RSA167296RSABidens frondosaJoseph P. Tracy193671950-9-22 HumboldtKlamath River, near Slate Creek, below Orleans 8 miles.
    RSA239269RSABidens frondosaR. F. Thorne423101972-9-20 PlumasPlumas National Forest: Snake Lake ca. 4 miles NW of Quincy.
    RSA303681RSABidens frondosaR. F. Thorne533881979-7-13 San BernardinoN end of Lake Gregory,
    RSA320361RSABidens frondosaJ. R. Shevock66161979-9-29 TulareAlong Tule River at the south Jaye Street bridge, Porterville
    RSA340153RSABidens frondosaR. F. Thorne536191979-8-25 San BernardinoHolcomb Valley: E margin of Grass Valley Lake
    RSA342010RSABidens frondosaR. F. Thorne536241979-8-25 San BernardinoHolcomb Valley: W end of Big Bear Lake on N Shore Dr., S of Gray's Landing,
    RSA347645RSABidens frondosaJames D. Morefield31171985-8-25 InyoAt the spring 1 mi S of the mouth of Silver Canon 1.5 mi ESE of Laws, Owens Valley drainage
    RSA43570RSABidens frondosaMark Kerrs.n.1939-8-27 InyoOwens River bank E of Big Pine
    RSA43695RSABidens frondosaMark Kerrs.n.1939-8-26 Inyo2 N of Lone Pine
    RSA552381RSABidens frondosaD. Charlton55561991-8-28 InyoOwens River, Dinken Rd 2 miles north of Bishop just south of Fish Slough. [On the border of Inyo and Mono County]
    RSA554641RSABidens frondosaScott D. White7401992-9-01 San BernardinoSan Bernardino Mountains: N of Hwy 1 W of Metcalf Creek at Metcalf Bay, City of Big Bear Lake.; Big Bear Lake 7.5' Q
    RSA599076RSABidens frondosaL. C. Wheelers.n.1967-10-14 San BernardinoSan Bernardino Mountains: Pilot Rock Conservation Canon?).
    RSA604917RSABidens frondosaL. C. Wheeler86871964-8-29 KernKernville.
    RSA606120RSABidens frondosaL. C. Wheeler22321933-11-05 San BernardinoArrowhead Village, Lake Arrowhead.
    RSA607609RSABidens frondosaL. C. Wheeler90851966-10-25 Los AngelesE. Waldo Ward's Grove, 1/4 mile N El Encanto, San Gabriel Canon.
    RSA69817RSABidens frondosaJ. C. Roos52651951-9-25 RiversideFairmount Park
    RSA724044RSABidens frondosaR. E. Riefner04-4202004-9-18 OrangeCity of Yorba Linda; Santa Ana River, Horseshoe Bend, near La Palma Rd. and Via Del Rio Rd.; Prado Dam
    RSA724819RSABidens frondosaL. Ahart133442006-9-26 ColusaSouth 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.
    RSA724879RSABidens frondosaL. Ahart132742006-9-11 ButteSouth 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.
    RSA726433RSABidens frondosaL. Ahart145702007-11-3 ButteAbout 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.
    RSA726441RSABidens frondosaL. Ahart144972007-9-18 YubaAbout 1 mile (air) east of Clipper Mills.
    RSA74341RSABidens frondosaMilo S. Baker116121946-9-04 ColusaButte Sink, near gate of Colusa Gun Club
    RSA768290RSABidens frondosaJustin M. Wood25052010-9-1 ShastaCity of Redding: Small pond open to the river on the west side of the river, +/- 0.5 miles upstream of Cypress Ave bridge.; Enterprise
    RSA768468RSABidens frondosaJustin M. Wood25782010-9-2 Shasta0.8 miles N of Ingot along the west side of state highway 299.; Oak Run
    RSA782808RSABidens frondosaA. C. Sanders385402010-8-5 Los AngelesMadrona Marsh Preserve, Torrance; Torrance 7.5' Q.
    RSA794771RSABidens frondosaJustin M. Wood27262010-9-28 San BernardinoSan Bernardino Mountains: Big Bear Lake. Grout Bay, just south of Fawnskin adjacent to Highway 38.; Fawnskin
    RSA799647RSABidens frondosaJustin M. Wood27422010-9-29 OrangeSanta Ana Canon: Santa Ana River, southwest of Green River Golf Course and north of Hwy 91 and Santa Ana River Trail.; Black Star Canon
    RSA92410RSABidens frondosaAnnetta Carter6781934-7-04 San JoaquinBorden Highway between Middle River and Holt
    SBBG123693SBBGBidens frondosaK. Guilliam and L. A. Eliassen2010-9-13 MontereyFort Hunter Liggett: ca. 0.8 km SW of jct of Del Venturi Rd and Mission Rd, 0.6 NE of jct of Del Venturi and Vasquez Rds; Ft Hunter Liggett
    SBBG128778SBBGBidens frondosaLowell Ahart192592013-11-17 Buttesides of McCabe Crk, below the high water line of Lake Oroville, ca. 5/8 mi SW of Enterprise Bridge across Lake Oroville
    SBBG152211SBBGBidens frondosaJon P. Rebman336662017-8-22 San Diegosouthwestern portion of Canon; Training Area SMR One; SW of main air station on Base and just off of N River Rd, on W side of Santa Margarita River.
    SBBG20827SBBGBidens frondosaErnest C. Twisselmann90151963-9-18 KernWeldon Rd, ca. 1 mi S of Kernville
    SBBG229026SBBGBidens frondosaLeRoy Gross77182016-8-24 VenturaThe Nature Conservancy (TNC). Vulcan Property. End of Torex/Main Road, Piru. South of Highway 126. Started near 34.39 N 118.79 W. Survey up river to 34.40147N 118.75117.
    SBBG60903SBBGBidens frondosaMark Kerr1939-8-27 InyoOwens River, E of Big Pine
    SD00016444SDBidens frondosaJon Rebman346532018-8-23 San DiegoCanon: northeast portion of Base; Training Area Hotel: northwest of Fallbrook; along the Santa Margarita River just south of De Luz Road
    SD124888SDBidens frondosaR. D. Goedens.n.1986-9-10 PlumasNortheast shore of Round Valley Reservoir, 3 miles south of Greenville, Plumas National Forest.
    SD134703SDBidens frondosaSuzanne Bell661991-9-06 San DiegoSlough at south end of Cuyamaca Lake.
    SD155309SDBidens frondosaJon P. Rebman74832001-10-3 San DiegoMission Valley Preserve: along the San Diego River from Sefton Park to the Interstate 5 bridge
    SD160411SDBidens frondosaJeannie Gregory11842004-9-26 San DiegoCuyamaca Lake; western shore along Highway 79
    SD169988SDBidens frondosaJerilyn Hirshberg11802005-9-1 San Diego.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
    SD179858SDBidens frondosaJon P. Rebman138312007-8-8 San DiegoLoveland 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
    SD210679SDBidens frondosaJohn Groth2262008-8-31 San DiegoCleveland National Forest, Cuyamaca Mtns, 3.4 WNW of Cuyamaca Peak, banks of Boulder Creek, 300 yds. E of junction with Boulder Creek Road
    SD212472SDBidens frondosaG. K. Helmkamp98482005-9-9 El DoradoNorthern 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.
    SD240842SDBidens frondosaA.C. Sanders385402010-8-5 Los AngelesSouth Coast: Madrona Marsh Preserve, Torrance. Former oil field w/gravel service road remnants.
    SD247314SDBidens frondosaR.G. Swinney11587A2009-11-9 Los AngelesTransverse Range; San Gabriel Mountains: confluence of San Gabriel River and East Fork San Gabriel River, to 150 meters upstream in East Fork.
    SD249126SDBidens frondosaDavid Keil211321988-9-17 ?  San Luis ObispoAlong shores of Hume Lake.
    SD264994SDBidens frondosaJon Rebman336662017-8-22 San DiegoCanon: southwestern portion of Base; Training Area SMR One: southwest of the main air station on Base and just off of North River Road; on the west side of the Santa Margarita River
    SDSU16355SDSUBidens frondosaGregory, Jeannie11842004-9-26 San DiegoFresh water mudflats of Cuyamaca Lake; western shore along Highway 79. 1407m
    SDSU16416SDSUBidens frondosaRebman, Jon74832001-10-3 San DiegoMission Valley Preserve: along the San Diego River from Sefton Park to the Interstate 5 bridge
    SFV101597SFVBidens frondosaK. A. Wilson14471974-8-21 Los AngelesSanta Monica Mountains; Malibu Creek. Kanan Road and Triunfo Canon Road intersection.
    SFV101598SFVBidens frondosaK. A. Wilson8131961-2-02 Los AngelesSanta Susana Mountains; Granada Hills. Base of Limekiln Canon.
    SFV101599SFVBidens frondosaA. M. Johnson45361934-10-03 Los AngelesLos Angeles Basin; Los Angeles, West Los Angeles. Along Selby Ave. between LeConte and Wilshire Blvd.
    SJSU6039SJSUBidens frondosaC.W. Sharsmith78111972-6-24 SonomaLaguna de Santa Rosa N of Sebastopol, E of Graton
    UC1192170UCJEPSBidens frondosaMalcolm A. Nobs, S. Galen Smith4321948-8-24 Merced1 mi e of Gustine (Modesto Properties Gun Club, San Joaquin Valley); San Joaquin Valley
    UC1192171UCJEPSBidens frondosaMalcolm A. Nobs687b1948-9-25 Placer9 mi n of Auburn (Rock Creek Highway 49); Rock Creek, Highway 49
    UC1192172UCJEPSBidens frondosaMalcolm A. Nobs, S. Galen Smith18791949-9-09 Colusa3 mi w of Williams
    UC1192173UCJEPSBidens frondosaHerbert L. Mason127071945-9-18 Sutternear bridge on Yuba-Knight's Landing Highway (overflow lands of Sutter By-Pass); Sutter By-Pass
    UC1192174UCJEPSBidens frondosaVerne Grant, Irving Schneider80681947-7-19 Modocs of Alturas (Corporation ranch; irrigation ditch s of south loop road)
    UC1192175UCJEPSBidens frondosaHerbert L. Mason, Verne Grant131081946-9-04 Butte833 Canal, West Gridley Road, Butte Sink Butte Sink, 833 Canal, West Gridley Road
    UC1192177UCJEPSBidens frondosaMalcolm A. Nobs, S. Galen Smith1758a1949-9-02 Inyo2 mi w of, 13.5 mi n of Bishop Highway 395 (on Pine Creek Road); Pine Creek Road
    UC1192178UCJEPSBidens frondosaHerbert L. Mason, S. Galen Smith83331948-8-12 Merced5 mi e of Gustine (San Joaquin Valley); San Joaquin Valley
    UC1222894UCJEPSBidens frondosaJoseph P. Tracy193671950-9-22 Humboldtnear Slate Creek (Klamath River, below Orleans 8 mi); Klamath River
    UC1222968UCJEPSBidens frondosaJoseph P. Tracy193181950-8-20 Humboldt2 mi sw of Orleans
    UC134523UCJEPSBidens frondosaCulbertson46511904-10-04 FresnoMillwood
    UC1523858UCJEPSBidens frondosaJames D. Morefield31171985-8-25 Inyoat the spring 1 mi s of the mouth of Silver Canon (1.5 mi ese of Laws, Owens Valley drainage, White Mountains); White Mountains
    UC166167UCJEPSBidens frondosaGeo. D. Butler9891909-9-20 Siskiyoucreek near Yreka
    UC171397UCJEPSBidens frondosaA. A. Heller111341913-9-12 Butteon Big Chico Creek, Chico Chico, Big Chico Creek
    UC1730224UCJEPSBidens frondosaL. P. Janeway62751998-9-10 Plumasabout 5 W of Quincy (Snake Lake, along NW shore)
    UC1999626UCJEPSBidens frondosaJ. E. Sandoval781995-9-25 MercedGreat Valley Grasslands State Park (encompasses the former Fremont Ford State Recreation Area). South of the town of Stevinson, 1 mi south of Highway 140 on Highway 165.
    UC2026452UCJEPSBidens frondosaLouis C. Wheeler86871964-8-29 KernKernville.
    UC2044437UCJEPSBidens frondosaBelinda Lo1942014-10-24 CalaverasBureau of Reclamation, New Melones Reservoir, Camp 9
    UC2044439UCJEPSBidens frondosaBelinda Lo1842014-10-12 CalaverasStanislaus National Forest, Candy Rock Road
    UC2071904UCJEPSBidens frondosaA. C. Sanders, S. Ogg151801994-7-28 RiversideRiverside: Santa Ana River between the Highway 60 Bridge and the Mission Blvd. Bridge . Riverside West Quad.
    UC220245UCJEPSBidens frondosaKatharine Brandegee1905-7-01 TulareVisalia
    UC30564UCJEPSBidens frondosaH. Edwards771938-4-3 SacramentoSacramento
    UC30565UCJEPSBidens frondosaWillis L. Jepson1891-9-17 SacramentoLower Sacramento River, Grand Island
    UC468898UCJEPSBidens frondosaA. Davidson, M. D.32711917-9-01 Los AngelesAlvarado Street
    UC473708UCJEPSBidens frondosaMrs. W. J. Williamson3381919-8-08 TuolumneStanislaus River
    UC579887UCJEPSBidens frondosaAnnetta Carter19341934-7-04 San Joaquinbetween Middle River and Holt Middle River (in drainage ditch Borden Highway); Borden Highway
    UC61669UCJEPSBidens frondosaGeo. B. Grant52781902-9-01 SiskiyouMt. Shasta, Pacific Coast Pacific Coast, Mt. Shasta
    UC623299UCJEPSBidens frondosaMark Kerr5231939-8-27 Inyonear Big Pine (Owens River bank); Owens River
    UC727762UCJEPSBidens frondosaMilo S. Baker115601946-8-17 Sonomaat the crossing of the Occidental Road (The Laguna); The Laguna
    UC893954UCJEPSBidens frondosaMrs. W. J. Williamson3381919-8-08 TuolumneStanislaus River
    UC912219UCJEPSBidens frondosaHerbert L. Mason54521929-10-04 Placer1.5 mi from Auburn
    UC912220UCJEPSBidens frondosaHerbert L. Mason54461929-9-21 Contra Costa2.6 mi ne of Byron (Borden Highway); Borden Highway
    UC912221UCJEPSBidens frondosaHerbert L. Mason49561928-9-30 San Joaquinnear Holt (San Joaquin Delta); San Joaquin Delta
    UCR110438UCRBidens frondosaA.C. Sanders231421999-10-09 San Bernardinothe 'lake' at Arrowbear Lake, east of Running Springs on south side of Hwy 18; San Bernardino Mtns.
    UCR114010UCRBidens frondosaMitch Provance20522000-6-24 RiversideSanta Ana River Wash, between the Market Street bridge and the 60 Fwy; Riverside
    UCR138771UCRBidens frondosaScott D. White45221996-9-13 San BernardinoLake Arrowhead area: SE of Papoose Lake and north of 'Cedar Glen' neighborhood
    UCR13942UCRBidens frondosaGeorge K. Helmkamps.n.1973-9-16 San BernardinoLake Arrowhead; San Bernardino Mtns.
    UCR170573UCRBidens frondosaGeorge K. Helmkamp98482005-9-9 El DoradoE of Sacramento; Squaw Hollow area at junction of Hanks Exchange Road and Ranch Road, 0.9 mi south of Pleasant Valley Road
    UCR188892UCRBidens frondosaFred M. Roberts65852007-9-19 RiversideSanta Ana River, across from Green River Golf Course, 0.15 W of Green River Road bridge
    UCR189286UCRBidens frondosaFred M. Roberts65852007-9-19 RiversideSanta Ana River, across from Green River Golf Course, 0.15 W of Green River Road bridge
    UCR190711UCRBidens frondosaGeorge K. Helmkamp129552007-9-14 Placeralong Mosquito Ridge Road 0.4 mile east of Foresthill
    UCR193557UCRBidens frondosaGeorge K. Helmkamp129192007-9-10 El DoradoLake Oaks Mobile Home Park, Diamond Springs; near junction of CA-49 and Patterson Drive
    UCR19492UCRBidens frondosaJohn C. Rooss.n.1965-9-13 San BernardinoVictorville, Mojave River bottom; Mojave Desert
    UCR197976UCRBidens frondosaBeecher Crampton16331953-9-30 YoloKnights Landing, Sycamore Slough
    UCR201560UCRBidens frondosaGeorge K. Helmkamp141992008-10-4 El DoradoLake Oaks Mobile Home Park, Diamond Springs
    UCR210518UCRBidens frondosaR.G. Swinney99712008-12-6 Los AngelesAzusa, mouth of San Gabriel Canon west of Roberts Canon on north side of San Gabriel River channel
    UCR218022UCRBidens frondosaA.C. Sanders385402010-8-5 Los AngelesMadrona Marsh Preserve, Torrance
    UCR218950UCRBidens frondosaGeorge K. Helmkamp15557A2009-8-30 Sutteralong Nicolaus Ave., 2.2 miles northwest of the Placer Co. line, 4.4 miles ENE (86 ° ) of Nicolaus
    UCR218995UCRBidens frondosaGeorge K. Helmkamp156052009-9-13 El DoradoLake Oaks Mobile Home Park, Diamond Springs; 0.2 mile south of the junction of Patterson Drive and CA-49/Pleasant Valley Road
    UCR232616UCRBidens frondosaGeorge K. Helmkamp183502011-9-30 NevadaDutch Flat X Road (extension of Diggins Hill Road), 3.1 miles northeast of Dutch Flat and north of the Bear River Reservoir
    UCR239928UCRBidens frondosaO.F. Clarkes.n.2005-10-16 San BernardinoSanta Ana River at North Main St., Agua Mansa area, just north of the Riverside Co. line
    UCR239929UCRBidens frondosaO.F. Clarkes.n.2004-7-5 RiversideLouis Rubidoux Nature Center at RR bridge, Santa Ana River near Riverside
    UCR240006UCRBidens frondosaR.G. Swinney11587A2009-11-9 Los Angelesconfluence of San Gabriel River and East Fork San Gabriel River, to 150 m upstream in East Fork
    UCR240977UCRBidens frondosaGeorge K. Helmkamp199992012-10-9 NevadaHiggins Corner; Combie Road, 0.1 mile east of its junction with CA-49, between Auburn and Grass Valley
    UCR241977UCRBidens frondosaGeorge K. Helmkamp198332012-9-15 El DoradoWalton Lake; along Balderson Road, 0.4 mile south of its junction with Wentworth Springs Road
    UCR245726UCRBidens frondosaGeorge K. Helmkamp223752013-9-24 Calaverasnorth end of White Pine Reservoir, 0.6 mile north of Arnold
    UCR248911UCRBidens frondosaPeter Rubtzoff59841968-9-21 SonomaRussian River bottom at Forest Hills, 5.5 miles east of Guerneville
    UCR248917UCRBidens frondosaPeter Rubtzoff47121961-8-24 SonomaVacation Beach, 2 miles below Guerneville along Russian River
    UCR248930UCRBidens frondosaPeter Rubtzoff72971973-9-04 SonomaRussian River at Forest Hills, 5.5 miles east of Guerneville
    UCR248943UCRBidens frondosaPeter Rubtzoff45091960-6-25 SonomaLaguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads
    UCR248966UCRBidens frondosaPeter Rubtzoff29051956-9-15 SonomaAtascadero Creek Marsh
    UCR250037UCRBidens frondosaPeter Rubtzoff40121958-9-27 SonomaLaguna de Santa Rosa, northeast of Graton, 0.5 mi north of Guerneville Road
    UCR250393UCRBidens frondosaPeter Rubtzoff45281960-9-14 SonomaLaguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads
    UCR25293UCRBidens frondosaJohn C. Roos30541946-9-20 San BernardinoMojave River near Apple Valley; Mojave Desert
    UCR253554UCRBidens frondosaGeorge K. Helmkamp223012013-9-23 CalaverasUtica Powerhouse Road (beside Angel's Creek), 0.6 mile northeast of its junction with CA-4
    UCR253810UCRBidens frondosaGeorge K. Helmkamp201052012-10-30 Placernorth of William Lane on an unnamed levee road to Markham Ravine
    UCR258190UCRBidens frondosaGeorge K. Helmkamp200242012-10-16 NevadaRobles Dr., south of the junction of Combie Road and Darkhorse Drive, 2.8 air miles SE (124 ° ) of Higgins Corner
    UCR259656UCRBidens frondosaR.G. Swinney136672010-9-1 Los AngelesBig Tujunga Creek, under the overpass of the I-210 Fwy. and on either side, south of W. Tujunga Valley St.
    UCR288986UCRBidens frondosaMitch Provance815--762015-8-15 TulareDeer Creek, 7 mi. ENE of Terra Bella, 0.5 W of Deer Creek Rd. at Mt. Road 112
    UCR290327UCRBidens frondosaR.G. Swinney177672015-9-29 Los AngelesBig Tujunga Cyn., Stonyvale Picnic Area, east of jct. of Doske Rd. and Sunnyvale Rd., south and adjacent to picnic area
    UCR30556UCRBidens frondosaJohn C. Roos39421948-9-01 SiskiyouMarsham Stream at Yreka
    UCR44077UCRBidens frondosaJames D. Morefield31171985-8-25 InyoOwens Valley drainage, at the spring [Dry Lake Spr.] 1 mi south of the mouth of Silver Canon 1.5 mi ESE of Laws
    UCR45296UCRBidens frondosaRichard D. Goedens.n.1986-9-10 PlumasNE shore of Round Valley Reservoir 3 miles south of Greenville, Plumas Nat. Forest
    UCR71786UCRBidens frondosaStephen J. Myers91--631991-9-07 San BernardinoMojave River floodplain at Mojave Narrows Regional Park, near Victorville; Southern Mojave Desert
    UCR72725UCRBidens frondosaA.C. Sanders124491992-8-22 San BernardinoWaterman Canon, 0.6 mile below upper end of Old Waterman Canon Road (at Hwy 18); San Bernardino Mtns.
    UCR73188UCRBidens frondosaScott D. White9141992-10-08 Los AngelesMalibu, just north of Pacific Coast Hwy [= CA Hwy 1], extending as far east as Malibu Creek. Bounded on the south by Civic Center Road; terminates on the west in vicinity of Malibu School; Base of Santa Monica Mtns
    UCR83107UCRBidens frondosaA.C. Sanders156431994-9-11 San BernardinoBear Creek at confluence with Santa Ana River; San Bernardino Mtns.
    UCR93062UCRBidens frondosaA.C. Sanders151801994-7-28 RiversideRiverside, Santa Ana River near Hwy 60
    UCSB024030UCSBBidens frondosaWayne R. FerrenFS 4311984-7-14 Mono2.4 miles S of Rocked-in-Spring on E side of slough, 225 W of Rd. and 25 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
    UCSB024031UCSBBidens frondosaWayne R. Ferren; John R. HallerFS 5691986-8-08 MonoNear 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
    UCSB024032UCSBBidens frondosaJohn C. Roos30541946-9-20 San BernardinoMojave River near Apple Valley
    UCSB039508UCSBBidens frondosaWayne R. Ferren; B. YahrEPA - 1901993-8-24 San BernardinoSan Bernardino National Forest. Stream near crossing of Rd 1N09. Seep/spring.
    UCSB039827UCSBBidens frondosaGeorge K. Helmkamp; Elizabeth A. Helmkamp129552007-9-14 PlacerFoothills, northern Sierra Nevada Mountains: along Mosquito Ridge Road 0.4 mile east of Foresthill
    UCSC100005691UCSCBidens frondosaKen Kellman16091998-9-12 Santa CruzFelton, Henry Cowell Redwoods State Park, San Lorenzo River at Big Rock Hole
    UCSC100005692UCSCBidens frondosaRandall Morgans.n.2001-9-26 Santa CruzSanta Cruz, along northern edge, San Lorenzo River, straight back from house at 2121 Ocean Street Extension, Santa Cruz
    VVC1353VVCBidens frondosaA.C. Sanders231421999-10-09 San Bernardinothe ′lake′ at Arrowbear Lake, E of Running Springs on S side of Hwy 18
    VVC3948VVCBidens frondosaTim Thomas7231984-10-09 Los AngelesSanta Monica Mountains, Stunt Ranch, below and east of residence.

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