Featuring California vascular plant data from the Consortium of California Herbaria and other sources
CCH1: Search Results

Please cite data retrieved from this page:
Biodiversity data provided by the participants of the Consortium of California Herbaria (Accessed through CCH1 Data Portal,, 2022 August 08.

Literature Citation:
CCH1 Portal. 2022. Biodiversity data provided by the participants of the Consortium of California Herbaria ( Accessed on August 08).

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    An accepted name was found==>Sonchus oleraceus.
    Synonyms were NOT found.

    You searched for: Sonchus oleraceus

      F CCH1_AIDherbscientific namecoll. namecoll. num.formatted datecountylocality
    BSCA5321BSCASonchus oleraceusHendrickson, Larry59962013-3-28 San DiegoAnza-Borrego Desert State Park. State Route 78, 3.9 miles E of intersection with Yaqui Pass Rd. (County Rd. S-3), and 0.8 mile W of Narrows Earth Trail parking.
    CAS-BOT168066CASSonchus oleraceusDe Groot, Sarah J.35612004-3-1 San BernardinoWhipple Mountains: Copper Basin Reservoir, just inside gate by lake. MWD property Elev. given as 1032 ft
    CAS-BOT168178CASSonchus oleraceusDeGroot, Sarah J.; De Groot, Krina; Lubinsky, Leland; Worlow, Linda Lee37722004-3-17 San BernardinoWhipple Mountains: Whipple Wash, ~2.5 hr. walk upstream from powerline road Elev. given as 1038ft.
    CAS-BOT172738CASSonchus oleraceusDe Groot, Sarah J.39332004-3-29 San BernardinoWhipple Mountains: Copper Basin reservoir, ~NE side of lake Elev. given as 989ft.
    CAS-BOT177409CASSonchus oleraceusDe Groot, Sarah J.; Porter, J. Mark10622003-3-1 San BernardinoWhipple Mountains: Bass Point, along Parker Dam road Elev. given as 350ft.
    CAS-BOT182518CASSonchus oleraceusDeGroot, Sarah J.; Gatto, Angela; Stevenson, Chris; Baldwin, Constance23512003-4-19 San BernardinoWhipple Mountains: Canyon on NE side of mountains, off powerline road Elev. given as 940ft.
    CAS-BOT374556CASSonchus oleraceusParnay, S.s.n.1959-7-8 Unknown
    CAS-BOT374557CASSonchus oleraceusHowell, John Thomass.n.1954-5-16 El Dorado2 miles nw. of Placerville
    CAS-BOT374558CASSonchus oleraceusPollard, Henry M.s.n.1951-8-2 FresnoBig Creek
    CAS-BOT374559CASSonchus oleraceusBreedlove, D. E.172931970-3-29 InyoIn Surprise Canyon between Ballarat and Panamint City. Panamint Mountains
    CAS-BOT374560CASSonchus oleraceusHowell, John Thomas336251958-5-29 InyoBishop
    CAS-BOT374561CASSonchus oleraceusBlankinship, J. W.s.n.1923-6-17 LakeKelseyville
    CAS-BOT374562CASSonchus oleraceusHowell, John Thomas342701958-8-10 MaderaMiller Meadow
    CAS-BOT374563CASSonchus oleraceusHolt, Ward B.s.n.1952-10-12 MaderaBass Lake
    CAS-BOT374564CASSonchus oleraceusHowell, John Thomas406481964-4-29 MariposaMariposa
    CAS-BOT374565CASSonchus oleraceusHowell, John Thomas499711973-7-25 MercedNear Gustine
    CAS-BOT374566CASSonchus oleraceusTrue, Gordon H.s.n.1961-7-14 NevadaG. H. True Ranch, 7 miles southwest of Grass Valley on McCourtney Road
    CAS-BOT374567CASSonchus oleraceusLindholm, Raymonds.n.1961-2-24 RiversideBanning
    CAS-BOT374568CASSonchus oleraceusAitkenhead, N.21331977-2-3 RiversideN. of Mule Mnts in sink So. of Sand Dunes
    CAS-BOT374569CASSonchus oleraceusTwisselmann, Ernest C.133171967-6-12 San BenitoCanyon of San Benito River, 4 miles below Picacho
    CAS-BOT374570CASSonchus oleraceusStanford, E. E.1261927-3-29 San JoaquinStockton
    CAS-BOT374571CASSonchus oleraceusDudley, Chesters.n.1927-9-12 StanislausModesta [Modesto]
    CAS-BOT374572CASSonchus oleraceusAhart, Lowell38731982-10-11 SutterBelow the bridge on Pass Road, a little east of the Gass [Gas] Compression Station, Sutter Buttes
    CAS-BOT374573CASSonchus oleraceusAhart, Lowell36321982-6-20 SutterSouth-east of the Dean Cabin, Dean Ranch, Sutter Buttes
    CAS-BOT374574CASSonchus oleraceusHowell, John Thomas362431960-8-20 TehamaNear Lassen Volcanic National Park. Morgan
    CAS-BOT374575CASSonchus oleraceusHowell, John Thomas; True, Gordon H.425241967-5-31 TulareAbout 4 1/2 miles east-northeast of Pixley. Near E line of area
    CAS-BOT374576CASSonchus oleraceusHowell, John Thomas440281967-11-3 TulareAbout 4.5 miles east-northeast of Pixley
    CAS-BOT374577CASSonchus oleraceusWilliamson, Mrs. W. J.1451919-5-21 TuolumneSpring Gulch near Bear Creek
    CAS-BOT374578CASSonchus oleraceusWilliamson, Mrs. W. J.1451919-5-21 TuolumneSpring Gulch near Bear Creek
    CAS-BOT374579CASSonchus oleraceusBassinger, A. J.s.n.1920-10-14 YoloConaway ranch, Woodland
    CAS-BOT374580CASSonchus oleraceusRattan, Volneys.n.1877-4-1 AlamedaShell Mound, Oakland
    CAS-BOT374581CASSonchus oleraceusCovel, Paul F.6731937-9-16 AlamedaOak. Hills
    CAS-BOT374582CASSonchus oleraceusHowell, John Thomas291291954-3-1 AlamedaAllston Way near Grove St., Berkeley
    CAS-BOT374583CASSonchus oleraceusWetzel, Cherie L.8531969-5-8 AlamedaNiles Canyon and Vicinity. Joyland Park
    CAS-BOT374584CASSonchus oleraceusWetzel, Cherie L.1501967-9-30 AlamedaNiles Canyon and Vicinity
    CAS-BOT374585CASSonchus oleraceusWetzel, Cherie L.3161968-4-23 AlamedaNiles Canyon and Vicinity. Intersection of Niles Canyon Blvd. and Old Niles Canyon Road
    CAS-BOT374586CASSonchus oleraceusWetzel, Cherie L.7771969-4-19 AlamedaNiles Canyon and Vicinity. Slope above Old Niles Canyon Road
    CAS-BOT374587CASSonchus oleraceusWetzel, Cherie L.10191969-8-28 AlamedaNiles Canyon and Vicinity. Alameda Creek at Mission Blvd.
    CAS-BOT374588CASSonchus oleraceusWetzel, Cherie L.6171969-4-1 AlamedaNiles Canyon and Vicinity. Muller's ranch
    CAS-BOT374589CASSonchus oleraceusWetzel, Cherie L.10531969-9-23 AlamedaNiles Canyon and Vicinity. Shillings Park
    CAS-BOT374590CASSonchus oleraceusWetzel, Cherie L.11001969-10-26 AlamedaNiles Canyon and Vicinity. Shilling's Park. Growing at edge of Alameda Creek
    CAS-BOT374591CASSonchus oleraceusWetzel, Cherie L.6251969-4-1 AlamedaNiles Canyon and Vicinity. Muller's ranch
    CAS-BOT374592CASSonchus oleraceusWiggins, Ira L.46081930-4-18 Contra CostaJersey Island
    CAS-BOT374593CASSonchus oleraceusKnight, Walter; Knight, Irja; Howell, J. T.; McClintock, E.; et al32251978-9-5 Contra CostaBrowns Island. Sandy Knob
    CAS-BOT374594CASSonchus oleraceusFrenkel, R. E.2631963-8-18 Contra CostaOn Giant Road, 0.4 mile north of ATSF RR crossing, Richmond
    CAS-BOT374595CASSonchus oleraceusSmith, Huron H.39071911-6-20 HumboldtVances C. 20
    CAS-BOT374596CASSonchus oleraceusKirby, F. J.s.n.1958-7-1 HumboldtWest of Bridgeville
    CAS-BOT374597CASSonchus oleraceusTracy, Joseph P.138051935-5-16 HumboldtAt Eureka
    CAS-BOT374598CASSonchus oleraceusMcGregor, E. A.20081917-2-5 ImperialColorado Desert. 2 mi south of El Centro
    CAS-BOT374599CASSonchus oleraceusLarson, K.19751976-1-14 Imperial4 mi. SW of Heber at Central Main Canal
    CAS-BOT374600CASSonchus oleraceusFerris, Roxana S.; Rossbach, Ruth P.9627A1938-5-18 ImperialUpper end of Painted Groge, Carisso Mts.
    CAS-BOT374601CASSonchus oleraceusHowell, John Thomas516301976-5-16 KernDelano
    CAS-BOT374602CASSonchus oleraceusHowell, John Thomas370881962-4-9 KernKernville
    CAS-BOT374603CASSonchus oleraceusMeng, Noraine4021967-5-22 KernNaval Weapons Center, China Lake
    CAS-BOT374604CASSonchus oleraceusMeng, Noraine4021967-5-22 KernNaval Weapons Center, China Lake
    CAS-BOT374605CASSonchus oleraceusTwisselmann, Ernest C.105821965-4-21 KernTehachapi Mountains. Tejon Canyon
    CAS-BOT374606CASSonchus oleraceusTwisselmann, Ernest C.105821965-4-21 KernTehachapi Mountains. Tejon Canyon
    CAS-BOT374607CASSonchus oleraceusTwisselmann, Ernest C.122271966-5-12 KernSierra Nevada, Greenhorn Range. Kern Hot Springs
    CAS-BOT374608CASSonchus oleraceusTilforth, C. W.2101969-7-17 Los AngelesRancho Santa Ana Bot. Gard., Claremont
    CAS-BOT374609CASSonchus oleraceusTilforth, C. W.2381969-11-22 Los AngelesRancho Santa Ana Bot. Gard., Claremont
    CAS-BOT374610CASSonchus oleraceusParish, S. B.91321914-5-15 Los AngelesSanta Monica
    CAS-BOT374611CASSonchus oleraceusDunkle, M. B.74501940-3-21 Los AngelesEast slope, Santa Barbara Island
    CAS-BOT374612CASSonchus oleraceusWolf, Carl B.34221932-5-9 Los AngelesSanta Catalina Island. Avalon. Near Bathhouse
    CAS-BOT374613CASSonchus oleraceusAbrams, L. R.; Wiggins, I. L.2971931-7-3 Los AngelesChannel Islands. Santa Barbara Island
    CAS-BOT374614CASSonchus oleraceusBlakley, E. R.52591962-6-10 Los AngelesSan Clemente Island
    CAS-BOT374615CASSonchus oleraceusGriesel, Wesley O.s.n.1961-1-28 Los AngelesLa Canada [Canada]
    CAS-BOT374616CASSonchus oleraceusThompson, Henry J.; Raven, Peter H.143461959-6-4 Los AngelesSanta Monica Mountains. Point Dume
    CAS-BOT374617CASSonchus oleraceusHowell, John Thomas407671964-6-29 San Luis ObispoCambria
    CAS-BOT374618CASSonchus oleraceusHowell, J. T.365001961-4-14 San Luis ObispoSanta Lucia Mountains. Cambria
    CAS-BOT374619CASSonchus oleraceusTwisselmann, Ernest C.136891967-9-9 San Luis ObispoTemblor Range and the Western San Joaquin Valley. Ortega Spring, Palo Prieta Canyon
    CAS-BOT374620CASSonchus oleraceusTwisselmann, Ernest C.136891967-9-9 San Luis ObispoTemblor Range and the Western San Joaquin Valley. Ortega Spring, Palo Prieta Canyon
    CAS-BOT374621CASSonchus oleraceusTwisselmann, Ernest C.185531971-12-9 San Luis ObispoTemblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County
    CAS-BOT374622CASSonchus oleraceusTwisselmann, Ernest C.185531971-12-9 San Luis ObispoTemblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County
    CAS-BOT374623CASSonchus oleraceusTwisselmann, Ernest C.13031954-5-28 San Luis ObispoTemblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: Eastern San Luis Obispo County
    CAS-BOT374624CASSonchus oleraceusHardham, Clare B.19151957-5-12 San Luis ObispoSanta Lucia Mountains. Trail to Green's Lake
    CAS-BOT374625CASSonchus oleraceusHardham, Clare B.27021957-11-2 San Luis ObispoSanta Lucia Mountains. Old Creek, Cayucos
    CAS-BOT374626CASSonchus oleraceusHardham, Clare B.24641957-7-15 San Luis ObispoSanta Lucia Mountains. Graves Creek, Del Rio Road
    CAS-BOT374627CASSonchus oleraceusHardham, Clare B.24641957-7-15 San Luis ObispoSanta Lucia Mountains. Graves Creek, Del Rio Road
    CAS-BOT374628CASSonchus oleraceusHardham, Clare B.24631957-7-15 San Luis ObispoSanta Lucia Mountains. Graves Creek, Del Rio Road
    CAS-BOT374629CASSonchus oleraceusRaven, Peter H.; Johnson, Michael P.211981967-5-1 MarinAngel Island. Slopes above Hospital Cove, west side of island
    CAS-BOT374630CASSonchus oleraceusFerris, Roxana S.127301954-4-23 MarinDitches near Dillon's Beach Post Office
    CAS-BOT374631CASSonchus oleraceusHowell, John Thomas212811945-7-8 MarinBurdell
    CAS-BOT374632CASSonchus oleraceusHowell, John Thomas214711945-9-16 MarinSan Rafael
    CAS-BOT374633CASSonchus oleraceusPenalosa, Javier16201961-6-7 MarinTiburon Peninsula. West of Marin Country Day School
    CAS-BOT374634CASSonchus oleraceusPenalosa, Javier19321961-7-8 MarinTiburon Peninsula. Tiburon
    CAS-BOT374635CASSonchus oleraceusPenalosa, Javier10681961-2-25 MarinTiburon Peninsula. Tiburon. Along Tiburon Blvd. near NWPRR Water Tower
    CAS-BOT374636CASSonchus oleraceusPenalosa, Javier11741961-3-25 MarinTiburon Peninsula. Tiburon. Near Recreation Center below St. Hilary's Church
    CAS-BOT374637CASSonchus oleraceusPenalosa, Javier13111961-4-16 MarinTiburon Peninsula. NWPRR yard in Tiburon
    CAS-BOT374638CASSonchus oleraceusPenalosa, Javier; Howell, J. T.16461961-6-7 MarinTiburon Peninsula. West of Marin Country Day School
    CAS-BOT374639CASSonchus oleraceusHowell, J. T.s.n.1990-9-28 MarinTerra Linda - in weedy Northgate planter
    CAS-BOT374640CASSonchus oleraceusWheeler, Clare R.8251979-4-3 MendocinoWheeler Ranch. 6 mi. SW of Yorkville
    CAS-BOT374641CASSonchus oleraceusWheeler, Clare R.4191978-6-15 MendocinoIverson Landing. Coastal bluff 5 mi. S. of Pt. Arena on Hwy 1
    CAS-BOT374642CASSonchus oleraceusHardham, Clare B.166591968-6-10 Mendocino2 miles north of Point Arena between Coast Highway and the beach
    CAS-BOT374643CASSonchus oleraceusFerris, Roxana S.; Ernst, W. R.130271956-7-8 MontereyBy Tularcitos Creek, Carmel Valley road, 6 mi. E of Carmel Valley Inn at junction of Salinas cut-off
    CAS-BOT374644CASSonchus oleraceusGenetti, Cathy; Engles, Eric1831982-4-18 MontereyLandels-Hill Big Creek Reserve, Gamboa Point Section. Santa Lucia Mountains. Found along Highway 1 near a roadside pull-off south of Vicente Creek
    CAS-BOT374645CASSonchus oleraceusRandall, Josephine D.s.n.1909-12-30 MontereyMonterey Peninsula. Near trail from Carmel to Monterey
    CAS-BOT374646CASSonchus oleraceusRandall, Josephine D.s.n.1911-3-27 MontereyMonterey Peninsula. Between Moss Beach & Pacific Grove
    CAS-BOT374647CASSonchus oleraceusRandall, Alice D.281910-2-19 MontereyMonterey Peninsula. Carmel-by-the-Sea
    CAS-BOT374648CASSonchus oleraceusRandall, Alice D.281910-2-19 MontereyMonterey Peninsula. Carmel-by-the-Sea
    CAS-BOT374649CASSonchus oleraceusPatterson, Miss.; Wiltz, Misss.n.1907-6-6 MontereyNear Pacific Grove
    CAS-BOT374650CASSonchus oleraceusRandall, Alice D.2271910-3-31 MontereyMonterey Peninsula. Seaside
    CAS-BOT374652CASSonchus oleraceusHowitt, Beatrice F.10541958-5-29 MontereySanta Lucia Mountains. By side of trail in Del Monte Forest
    CAS-BOT374653CASSonchus oleraceusHowitt, Beatrice F.321955-3-8 MontereyMonterey Peninsula. In Del Monte Park, Pacific Grove
    CAS-BOT374654CASSonchus oleraceusDurham, Floyd6021942-8-23 MontereyArnold House. Frances Simes Hastings Natural History Reservation, upper Carmel Valley about 2 miles northeast of Jamesburg
    CAS-BOT374655CASSonchus oleraceusRuckert, Elsa G.11960-2-20 Napa6495 Dry Creek Road. Field southwest of house
    CAS-BOT374656CASSonchus oleraceusRaven, Peter H.63961954-2-22 NapaSaint Helena
    CAS-BOT374657CASSonchus oleraceusPhelps, Kate Eastwoods.n.1930-7-1 NapaSanitarium, Napa Valley
    CAS-BOT374658CASSonchus oleraceusWiggins, Ira L.204061966-2-1 OrangeOrange grove just east of Letters & Science building, California State College at Fullerton
    CAS-BOT374659CASSonchus oleraceusWiggins, Ira L.205141966-3-5 OrangeField about 1/2 mi. W. of El Toro Post Office, along Highway S-18
    CAS-BOT374660CASSonchus oleraceusWiggins, Ira L.203141965-11-3 OrangeOrange grove just east of California State College campus, Fullerton
    CAS-BOT374661CASSonchus oleraceusWiggins, Ira L.202971965-10-25 OrangeCurbway on Dorothy Lane near Lincoln Avenue, Fullerton
    CAS-BOT374662CASSonchus oleraceusWiggins, Ira L.203341965-11-6 OrangeWest side of Atwood
    CAS-BOT374663CASSonchus oleraceusWiggins, Ira L.206681966-5-25 OrangeParkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton
    CAS-BOT374664CASSonchus oleraceusSanders, W. P.s.n.1969-7-4 OrangeCosta Mesa
    CAS-BOT374665CASSonchus oleraceusKnight, Walter; Knight, Irja; Howell, John Thomas14661966-7-28 PlumasButterfly Botanical Area and Vicinity. In Butterfly Canyon
    CAS-BOT374666CASSonchus oleraceusHowell, John Thomas277551951-6-29 PlumasFeather River Canyon
    CAS-BOT374667CASSonchus oleraceusHowell, John Thomas420231966-7-29 PlumasQuincy
    CAS-BOT374668CASSonchus oleraceusBillings, F. H.s.n.1923-3-1 San BernardinoRedlands
    CAS-BOT374669CASSonchus oleraceusParish, S. B.; Parish, W. F.7901883-1-1 San BernardinoSan Bernardino
    CAS-BOT374670CASSonchus oleraceusThomas, J. H.71961958-5-13 San FranciscoSan Francisco. Western end of Golden Gate Park near the Sloop Gjoa. Area about sea level
    CAS-BOT374671CASSonchus oleraceusAlpert, Meredyth; McClintock, Elizabeths.n.1974-7-1 San FranciscoAlcatraz Island, San Francisco Bay, San Francisco
    CAS-BOT374672CASSonchus oleraceusTwisselmann, Ernest C.31241956-9-8 San FranciscoMt. Davidson
    CAS-BOT374673CASSonchus oleraceusTwisselmann, Ernest C.31241956-9-8 San FranciscoMt. Davidson
    CAS-BOT374674CASSonchus oleraceusEastwood, Alices.n.1915-8-1 San FranciscoVacant lot on Sansome St., San Francisco
    CAS-BOT374675CASSonchus oleraceusEastwood, Alices.n.1926-10-15 San FranciscoFarallon Isl.
    CAS-BOT374676CASSonchus oleraceusRattan, Volneys.n.1877-1-1 San FranciscoSan Francisco
    CAS-BOT374677CASSonchus oleraceusRattan, Volneys.n.1877-4-29 San FranciscoSan Francisco
    CAS-BOT374678CASSonchus oleraceusHowell, John Thomass.n.1957-5-17 San FranciscoSan Francisco. Bayview Hills
    CAS-BOT374679CASSonchus oleraceusHowell, John Thomas315911956-6-17 San FranciscoSummit ridge of Bayview Hills, San Francisco
    CAS-BOT374680CASSonchus oleraceusHowell, John Thomas312691956-4-22 San FranciscoEmbarcadero at Powell St., San Francisco
    CAS-BOT374681CASSonchus oleraceusHowell, John Thomas326681957-6-16 San FranciscoSan Francisco. Third & Davidson streets
    CAS-BOT374682CASSonchus oleraceusHowell, John Thomas324191957-5-26 San FranciscoSan Francisco. North base of Lone Mt.
    CAS-BOT374683CASSonchus oleraceusRubtzoff, Peter10651952-5-29 San FranciscoSan Francisco. Sand dunes at 37th Avenue between Ortega and Quintara streets
    CAS-BOT374684CASSonchus oleraceusRubtzoff, Peter30621956-11-9 San FranciscoSan Francisco. Presidio. Ground near Lobos Creek betw. 16th Ave. and Llincoln Boulevard
    CAS-BOT374686CASSonchus oleraceusRubtzoff, Peter32711957-4-27 San FranciscoSan Francisco. Presidio. Ground near Lobos Creek, between 16th Ave. and Lincoln Blvd.
    CAS-BOT374687CASSonchus oleraceusRubtzoff, Peter34481957-7-14 San FranciscoSan Francisco. San Miguel Hills. Bottom of canyon east of O'Shaughnessy Blvd.
    CAS-BOT374688CASSonchus oleraceusRubtzoff, Peter10491952-5-14 San FranciscoSan Francisco. Sand dunes at 37th Avenue betw. Ortega and Quintara streets
    CAS-BOT374689CASSonchus oleraceusRubtzoff, Peter30831956-11-14 San FranciscoSan Francisco. South of Stanley Drive, east of Lake Merced
    CAS-BOT374690CASSonchus oleraceusRubtzoff, Peter35541957-9-15 San FranciscoSan Francisco. Flat behind the beach near Lands End
    CAS-BOT374691CASSonchus oleraceusRaven, Peter H.64471954-3-21 San FranciscoSlopes along Lobos Creek near its mouth, San Francisco
    CAS-BOT374692CASSonchus oleraceusRaven, Peter H.65611954-4-12 San FranciscoSigmund Stern Grove, San Francisco
    CAS-BOT374693CASSonchus oleraceusRose, Lewis S.570391957-3-23 San Francisco876 Francisco St., n. slope of Russian Hill
    CAS-BOT374694CASSonchus oleraceusMerkel, Terrence J.451950-5-21 San FranciscoBetween Lake Merced and the San Francisco Golf Club, San Francisco
    CAS-BOT374695CASSonchus oleraceusHerrin, Wm. F.s.n.1918-8-29 San FranciscoSan Francisco
    CAS-BOT374696CASSonchus oleraceusWiggins, Ira L.222471979-8-26 San MateoAlley between Central and Woodland Avenues, running from Pope to Gilbert Streets, Menlo Park
    CAS-BOT374697CASSonchus oleraceusWiggins, Ira L.222471979-8-26 San MateoAlley between Central and Woodland Avenues, running from Pope to Gilbert Streets, Menlo Park
    CAS-BOT374698CASSonchus oleraceusWiggins, Ira L.220571973-7-29 San MateoLower part of northerly bank of San Francisquito Creek, ca 75 m upstream from Pope Street bridge
    CAS-BOT374699CASSonchus oleraceusThomas, John H.106021965-4-29 San MateoSan Bruno Mountain in northern part of county
    CAS-BOT374700CASSonchus oleraceusThomas, John H.70541958-3-19 San MateoEast facing slope of San Bruno Mountain, just north of South San Francisco
    CAS-BOT374701CASSonchus oleraceusThomas, John H.101121963-5-20 San MateoAno Nuevo Island, about one half mile off shore and about 20 miles NW of Santa Cruz
    CAS-BOT374702CASSonchus oleraceusDudley, W. R.s.n.1895-2-23 San MateoSanta Cruz Peninsula. San Francisquito Creek beyond Hopkins place
    CAS-BOT374703CASSonchus oleraceusRandall, Josephine D.991907-4-27 San MateoSanta Cruz Peninsula. Kings Mt.
    CAS-BOT374704CASSonchus oleraceusBarry, Margaret A.2401938-4-21 San MateoCoal Mine Ridge
    CAS-BOT374705CASSonchus oleraceusWheeler, Philips.n.1965-6-16 San MateoSan Bruno Mountain. Colma Canyon
    CAS-BOT374706CASSonchus oleraceusHemphill, Fred7811973-5-6 San MateoSan Carlos. Chaparral area north of Malabar Rd. and Melendy Dr.
    CAS-BOT374707CASSonchus oleraceusKnight, Walter; Knight, Irjas.n.1963-8-5 San MateoSan Bruno Mountain. Horseshoe Ridge
    CAS-BOT374708CASSonchus oleraceusPenalosa, Javier27241963-3-30 San MateoSan Bruno Mountain. North of Randolph Drive at Hillside Blvd. in SSF
    CAS-BOT374709CASSonchus oleraceusMcClintock, Elizabeths.n.1963-3-14 San MateoSan Bruno Mountain. South Power Line Ridge
    CAS-BOT374710CASSonchus oleraceusKnight, Walter; Knight, Irja6911964-4-25 San MateoSan Bruno Mountain. Upper part of ravine adjacent to Radio Rd.
    CAS-BOT374711CASSonchus oleraceusKnoche, HermanSeries A, No. 22631919-8-15 Santa BarbaraSanta Cruz Island
    CAS-BOT374718CASSonchus oleraceusKnoche, HermanSeries A, No. 11251919-7-19 Santa BarbaraSan Miguel Island
    CAS-BOT374712CASSonchus oleraceusKnoche, HermanSeries A, No. 11791919-7-25 Santa BarbaraSan Miguel Island, Tuff Hills Schuyler's [Cuyler's ?] Harbor
    CAS-BOT374713CASSonchus oleraceusPollard, Henry M.s.n.1957-10-2 Santa BarbaraSo. Pac. R. R. yards, Santa Barbara
    CAS-BOT374714CASSonchus oleraceusPollard, Henry M.s.n.1957-5-13 Santa Barbara222 W. Anapamu St., Santa Barbara
    CAS-BOT374715CASSonchus oleraceusSnodgrass, R. E.s.n.1901-7-1 Santa BarbaraSanta Cruz Island, Valdaze Cove
    CAS-BOT374716CASSonchus oleraceusRand, Mrs. W. W.441930-7-11 Santa BarbaraNear La Sentinel, Santa Cruz Island
    CAS-BOT374717CASSonchus oleraceusHoffmann, Ralphs.n.1930-4-10 Santa BarbaraSan Miguel Island
    CAS-BOT374719CASSonchus oleraceusWiggins, Ira L.222731981-4-24 Santa ClaraTop of bank of San Francisquito Creek along Palo Alto Ave., between Seneca & Hale Streets, Palo Alto
    CAS-BOT374720CASSonchus oleraceusWiggins, Ira L.29541928-6-5 Santa ClaraAt Museum, Stanford University Campus
    CAS-BOT374721CASSonchus oleraceusThomas, John H.95731961-6-28 Santa ClaraStanford University Campus. Near Branner Hall
    CAS-BOT374722CASSonchus oleraceusThomas, John H.6436A1956-9-6 Santa ClaraPalo Alto. Near Alma St. and Homer St.
    CAS-BOT374723CASSonchus oleraceusDudley, W. R.s.n.1897-6-1 Santa ClaraSanta Cruz Mountain Peninsula. Stanford University
    CAS-BOT374724CASSonchus oleraceusDudley, W. R.s.n.1906-5-28 Santa ClaraSanta Cruz Mountain Peninsula. Court back of Library, Stanford University
    CAS-BOT374725CASSonchus oleraceusDudley, W. R.s.n.1895-4-19 Santa ClaraSanta Cruz Mountain Peninsula. Near Wright's
    CAS-BOT374726CASSonchus oleraceusThomas, J. H.37911954-3-15 Santa ClaraGrowing between Saratoga and Saratoga Summit
    CAS-BOT374727CASSonchus oleraceusRust, E. W.501906-11-2 Santa ClaraVicinity of Stanford University. Stanford Univ.
    CAS-BOT374728CASSonchus oleraceusHaley, S. D.s.n.1908-10-1 Santa ClaraNear Cooley's Landing, Palo Alto
    CAS-BOT374729CASSonchus oleraceusMartineau, Robert2111974-5-12 Santa ClaraFoothills Park, City of Palo Alto. Foothills of the eastern side of the Santa Cruz Mountains. Five miles south of center of Palo Alto. Los Trancos Trail
    CAS-BOT374730CASSonchus oleraceusRandall, Josephine D.981907-6-14 Santa ClaraSanta Cruz Peninsula. Stanford University
    CAS-BOT374731CASSonchus oleraceusThomas, J. H.1938A1950-5-28 Santa CruzBetween Big Basin Junction and Saratoga Summit
    CAS-BOT374732CASSonchus oleraceusThomas, J. H.13841950-3-30 Santa CruzAlong Ocean Beach just outside of eastern limit of city of Santa Cruz
    CAS-BOT374733CASSonchus oleraceusThomas, J. H.19381950-5-28 Santa CruzBetween Saratoga Summit and Big Basin Junction
    CAS-BOT374734CASSonchus oleraceusThomas, J. H.13601950-3-27 Santa CruzDavenport Landing
    CAS-BOT374735CASSonchus oleraceusThomas, J. H.12751950-2-26 Santa CruzAlong coast at western end of Cliff Drive, Santa Cruz
    CAS-BOT374736CASSonchus oleraceusThomas, J. H.11401949-10-9 Santa CruzNear Highway 9 about 1 mile north of drinking fountain toward Saratoga Summit
    CAS-BOT374737CASSonchus oleraceusWilloughby, John W.12471976-3-23 SolanoVaca Mountains. Mix Canyon, on north-facing slope
    CAS-BOT374738CASSonchus oleraceusHowell, John Thomas116721933-9-17 SolanoSuisun
    CAS-BOT374739CASSonchus oleraceusCampbell, Marian L.s.n.1920-8-17 SolanoCordelia
    CAS-BOT374740CASSonchus oleraceusEastwood, Alice99921920-7-31 SolanoVallejo
    CAS-BOT374741CASSonchus oleraceusKnight, Walters.n.1965-3-1 Contra CostaAntioch dunes
    CAS-BOT374742CASSonchus oleraceusKnight, Walter; Knight, Irja3571963-10-3 SonomaCrane Canyon
    CAS-BOT374743CASSonchus oleraceusWells, Mary P.6141985-9-9 SonomaAt Friends House, Rincon Valley, Santa Rosa
    CAS-BOT374744CASSonchus oleraceusBreedlove, D. E.586961983-5-9 SonomaPepperwood Ranch W of Knights Valley
    CAS-BOT374745CASSonchus oleraceusPollard, Henry M.s.n.1946-4-27 VenturaVentura River Basin. Kennedy Canyon
    CAS-BOT374746CASSonchus oleraceusPollard, Henry M.s.n.1970-5-26 VenturaOn Casitas Pass Road about 1 mile north of Ventura River bridge, Foster Park
    CAS-BOT374747CASSonchus oleraceusPollard, Henry M.s.n.1964-4-29 VenturaVentura River Basin. North slope of Red Mountain near Foster Park
    CAS-BOT374748CASSonchus oleraceusRaven, Peter H.; Thompson, Henry J.207051966-4-23 VenturaSan Nicolas Island. Seal Beach, north-west end of island
    CAS-BOT374749CASSonchus oleraceusHowell, John Thomas82291932-3-13 VenturaSan Nicolas Island
    CAS-BOT374750CASSonchus oleraceusBlakley, E. R.B-27461959-4-24 VenturaBetween the boat dock and the village. East Anacapa Island
    CAS-BOT374751CASSonchus oleraceusPettibone, Nora; Hubby, Frank W.s.n.1895-3-11 VenturaOjai Valley and Vicinity. Whale Rock
    CAS-BOT374752CASSonchus oleraceusJunak, Steven A.MA- 1011986-4-22 VenturaCalifornia Islands. Middle Anacapa Island: N edge of terrace, W of Sea Arch Peninsula
    CAS-BOT374753CASSonchus oleraceusBlakley, E. R.43861961-5-18 VenturaCalifornia Channel Islands. Large canyon north side of the highest peak on the west island. Anacapa Island
    CAS-BOT423335CASSonchus oleraceusWilliams, A.; Darling, C.; Garcia, M.; Brostrom, R.; Juarez, L.; Juarez, A.146182014-4-26 MarinMount Tamalpais. Marin Municipal Water District lands: Across the bridge from Leo T. Cronin Fish Viewing Area, near gate along Lower Peters Dam Road.
    CAS-BOT555824CASSonchus oleraceusGriffith, Gerald451937-3-28 KernBakersfield--City Lot: 201 Clyde St., San Joaquin Valley watershed
    CAS-BOT556934CASSonchus oleraceusGriffith, Gerald2381937-5-18 Kern24th Street Mill Ditch, San Joaquin Valley watershed
    CAS-BOT571369CASSonchus oleraceusChristensen, Sr. Marian Ruths.n.1968-7-20 Santa ClaraLos Gatos, College Avenue
    CAS-BOT650016CASSonchus oleraceusMain, Gerald1261975-4-26 Contra CostaBlack Hawk Ranch: NE of Ranch house
    CATA1451CATASonchus oleraceusMark L. Hoefs26331996-4-06 Los AngelesSanta Catalina Island: End of Renton Mine Road
    CATA1193CATASonchus oleraceusMark L. Hoefs21981995-5-30 Los AngelesSanta Canon Road
    CATA2801CATASonchus oleraceusRobert F. Thorne489561977-4-28 Santa BarbaraSanta Rosa Island: South side at old military base at Johnsons Lee
    CATA2799CATASonchus oleraceusMichael R. Benedict1971-7-14 Santa BarbaraSan Miguel Island: 3/4 mile north of Tyler Bight, west end of island
    CATA2798CATASonchus oleraceusMichael R. Benedict1968-11-02 Santa BarbaraSanta Cruz Island: Buena Vista
    CATA2797CATASonchus oleraceusMichael R. Benedict1970-4-22 VenturaEast Anacapa Island: North of Coast Guard Compound, east part of island
    CATA2796CATASonchus oleraceusRobert F. Thorne527441979-5-01 Santa BarbaraSan Miguel Island: On dry, grassy lake bed near airstrip on west side of island
    CATA855CATASonchus oleraceusMark L. Hoefs16641992-3-30 Los AngelesSanta Catalina Island: Little Harbor
    CATA848CATASonchus oleraceusMark L. Hoefs16561992-3-29 Los AngelesSanta Catalina Island: Above upper circle of Las Lomas Drive, Avalon
    CATA1249CATASonchus oleraceusMark L. Hoefs23291995-1-27 Los AngelesSanta Catalina Island: Ballast Point at Catalina Harbor
    CATA1093CATASonchus oleraceusMark L. Hoefs20431995-5-16 Los AngelesSanta Canon, near road to Two Harbors
    CDA0042842CDASonchus oleraceusL. Ahart173682011-6-5 ButteIn pots or garden, Peter Ahart Ranch, about 1 1/2 miles north and 1 mile east of Honcut, about 12 miles south of Oroville.
    CDA0042873CDASonchus oleraceusL. Ahart180612012-5-14 ButtePlanted area between sidewalk and Vallombrosa Avenue, west of Manzanita Avenue, just west of the bridge across Big Chico Creek, Lower Bidwell Park, Chico.
    CDA0029554CDASonchus oleraceusM.K. Beyers2682009-11-16 SacramentoCity of Sacramento: in the north eastern portion of the north lot at Sacramento City College.
    CDA0047967CDASonchus oleraceusG. K. Waldens.n.2017-6-9 YoloWest Sacramento, Raley Field Parking Lot F. North of S. River Rd, east of 80 and railroad tracks.
    CDA0007871CDASonchus oleraceusM. Mulligan16792007-3-26 San DiegoCanon Marine Corps Base, White Beach Training Area, ca. 0.8 mile south of 41 Area (Las Flores), ca. 1 mile northwest of Shingle Bluff, east of I-5. Square: F4.
    CDA0010181CDASonchus oleraceusM. M. Sweet4162007-5-10 San DiegoCity of San Diego; 0.2 mile northeast of intersection of Eastgate Mall and Genesee Avenue, 1.6 miles southeast of intersection of I-5 and I-8 Near top of canyon running from Eastgate Mall to Roselle Street. Square: O8.
    CDA0043770CDASonchus oleraceusMelvin M. Sweet7852009-4-15 San DiegoAnza-Borrego Desert State Park, Coyote Canon; about 1/2 mile below the Second Crossing; 7.5 miles NW of the intersection of DiGiorgio Rd and County Hwy S22 in Borrego Springs. Square: D23.
    CDA0051963CDASonchus oleraceusGenevieve K. WaldenPDR# MVAP50000170 ID# 27594412018-5-30 SacramentoCity of Sacramento, James Mangan Park, 2140 34th Ave, Sacramento 958 Weeds in lawn and along southern fence from 38.521201, -121.491941 to 38.521220, -121.488780.
    CDA0007670CDASonchus oleraceusT.C. Fuller32711959-10-14 SiskiyouBig Springs Park, Mt. Shasta City.
    CDA0007671CDASonchus oleraceusL.C. Wheeler95971967-5-15 Los AngelesSan Gabriel Mountains: Elsmere Canon; bottom of canyon near mouth.
    CDA0011809CDASonchus oleraceusG.F. Hrusa77711990-4-20 SacramentoW side of lake, approx. 1/3 mile upstream from Nimbus Dam. Natoma Unit-Folsom Lake State Rec. Area.
    CDA0012594CDASonchus oleraceusG.F. Hrusa81301990-6-18 SacramentoAbove and S of estuary at S end of American River Bluffs. Natoma Unit-Folsom Lake State Rec. Area.
    CDA0012740CDASonchus oleraceusG.F. Hrusa79811990-5-23 SacramentoCanon at S end of American River Bluffs. Natoma Unit-Folsom Lake State Rec. Area.
    CDA0015245CDASonchus oleraceusG.F. Hrusa143761998-5-08 Contra CostaDow Chemical property at Pittsburg adjacent to shore of San Joaquin River. Sacramento Delta.
    CDA0030602CDASonchus oleraceusM. Beyers4342010-5-12 SolanoOn the corner of Halley Road and Wolfskill Road.
    CDA0030609CDASonchus oleraceusM. Beyers2922010-3-28 AlamedaBerkeley. Along West Frontage Road (Interstate 80 Frontage Road). east of the Berkeley Marina.
    CDA0030742CDASonchus oleraceusM. Beyers4352010-5-12 SolanoOn the corner of Halley Road and Wolfskill Road.
    CDA0032157CDASonchus oleraceusM. Beyers8492010-10-9 Sacramento0.5 miles east of Courtland along Wilson Road.
    CDA0032940CDASonchus oleraceusD. Barbe & P. Hiatt1979-5-01 SonomaSouth of Asti; on Asti Road, 0.45 mile south of Washington School Road.
    CDA0032941CDASonchus oleraceusDoug Barbe & Phyllis Hiatt1979-5-02 ColusaWilliams; waste ground by Shell station.
    CDA0034028CDASonchus oleraceusD.G. Kelch11.0872011-4-6 AlamedaNear Don Edward's National Wildlife Area.
    CDA0035405CDASonchus oleraceusG.F. Hrusa183112011-6-8 Santa BarbaraSan Rafael Wilderness. Sisquoc River canyon at Sycamore Camp. Sierra Madre Mountains.
    CDA0040191CDASonchus oleraceusM. Beyers2014-2-22 YoloWinters.
    CDA0049945CDASonchus oleraceusIliana Arroyos52017-2-21