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 June 29.

Literature Citation:
CCH1 Portal. 2022. Biodiversity data provided by the participants of the Consortium of California Herbaria ( Accessed on June 29).

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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
    AHUC103315DAVSonchus oleraceusBeecher Crampton43541957-7-16 YoloYolo County: University of California, Davis Campus. In field north of Hunt Hall.
    AHUC103316DAVSonchus oleraceusL. G. Goars.n.1930-4-20 YoloYolo County: Putah Canon.
    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-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-BOT374718CASSonchus oleraceusKnoche, HermanSeries A, No. 11251919-7-19 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
    CATA1093CATASonchus oleraceusMark L. Hoefs20431995-5-16 Los AngelesSanta Canon, near road to Two Harbors
    CATA1193CATASonchus oleraceusMark L. Hoefs21981995-5-30 Los AngelesSanta Canon Road
    CATA1249CATASonchus oleraceusMark L. Hoefs23291995-1-27 Los AngelesSanta Catalina Island: Ballast Point at Catalina Harbor
    CATA1451CATASonchus oleraceusMark L. Hoefs26331996-4-06 Los AngelesSanta Catalina Island: End of Renton Mine Road
    CATA2796CATASonchus oleraceusRobert F. Thorne527441979-5-01 Santa BarbaraSan Miguel Island: On dry, grassy lake bed near airstrip on west side of island
    CATA2797CATASonchus oleraceusMichael R. Benedict1970-4-22 VenturaEast Anacapa Island: North of Coast Guard Compound, east part of island
    CATA2798CATASonchus oleraceusMichael R. Benedict1968-11-02 Santa BarbaraSanta Cruz Island: Buena Vista
    CATA2799CATASonchus oleraceusMichael R. Benedict1971-7-14 Santa BarbaraSan Miguel Island: 3/4 mile north of Tyler Bight, west end of island
    CATA2801CATASonchus oleraceusRobert F. Thorne489561977-4-28 Santa BarbaraSanta Rosa Island: South side at old military base at Johnsons Lee
    CATA848CATASonchus oleraceusMark L. Hoefs16561992-3-29 Los AngelesSanta Catalina Island: Above upper circle of Las Lomas Drive, Avalon
    CATA855CATASonchus oleraceusMark L. Hoefs16641992-3-30 Los AngelesSanta Catalina Island: Little Harbor
    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.
    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.
    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.
    CDA0029554CDASonchus oleraceusM.K. Beyers2682009-11-16 SacramentoCity of Sacramento: in the north eastern portion of the north lot at Sacramento City College.
    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.
    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.
    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.
    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.
    CDA0049945CDASonchus oleraceusIliana Arroyos52017-2-21 San Luis ObispoSan Luis Obispo, Cal Poly campus, down Grand Ave (away from campus), follow Grand until it becomes a stoplist and says Andrew St, up ahead on the slopes near a creek. 35.287 N, -120.6 W, elev 233 m. Growing on riparian hillside, partly shaded facing SE on moderate slope, loamy soil.
    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.
    CHSC102501CHSCSonchus oleraceusLowell Ahart157912009-5-30 ButteBy a small rock about 50 yards south of the fence and about 120 yards east of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico. T2 N R02E S35 near center, upper half
    CHSC103987CHSCSonchus oleraceusLowell Ahart166712010-5-14 ButteOn the south side of a trail, about 1/2 mile west of the entrance to the Disc Golf Area, west of Highway 32. Upper Bidwell Park, about 4 1/2 miles (air) northeast of Chico. T2 N R02E S1 W1/4
    CHSC107245CHSCSonchus oleraceusLowell 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. T1 N R04E S04 SE1/4
    CHSC107249CHSCSonchus oleraceusLowell Ahart173602011-6-3 ButteWood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico. T2 N R01E S2 W1/4
    CHSC107250CHSCSonchus oleraceusLowell Ahart17360A2011-6-3 ButteWood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico. T2 N R01E S2 W1/4
    CHSC109715CHSCSonchus oleraceusV. Soza12152011-5-14 Los AngelesTransverse Ranges, San Gabriel Mountains region: Santa Anita 1999 Fire area, above Santa Anita Canon, ca. 0.7 mile west of the Santa Anita Dam. T0 N R1 W S09 E1/2 SE1/4 USGS Quadrangle: Mount Wilson
    CHSC111368CHSCSonchus oleraceusLowell 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. T2 N R02E S1 W 1/4
    CHSC114665CHSCSonchus oleraceusM. K. Beyers s.n.2009-11-16 SacramentoCity of Sacramento: in the north eastern portion of the north lot at Sacramento City College.
    CHSC114962CHSCSonchus oleraceusLowell Ahart199232015-1-27 ButteAlong the west side of Virginia Street, northwest of the intersection of Hazel Street and Virginia Sreet, Gridley. T1 N R02E S36 SE1/4
    CHSC115178CHSCSonchus oleraceusLowell Ahart202062015-6-6 ButteGravel bar on the south side of the dry stream, about 20 yards north of the dirt road, about 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville. T2 N R04E S18 SE1/4
    CHSC116120CHSCSonchus oleraceusLowell Ahart206122015-11-4 SutterPeach orchard, about 50 yards east of George Washington Blvd., about 1 1/8 mile south of the intersection of Highway 20 and George Washington Blvd., Yuba City. T1 N R03E S29
    CHSC116495CHSCSonchus oleraceusLowell Ahart206912015-11-21 ButteOn the north side of home, Peter Ahart Ranch, about 1 1/2 miles north and one mile east of Honcut, about 12 miles south of Oroville. T1 N R04E S04 SE1/4
    CHSC122438CHSCSonchus oleraceusLowell Ahart220092019-6-15 ButteBack yard of a home, east side of Larkin Road, about one mile north of the intersection of Larkin Road and East Gridley Road, about 2 miles (air) northeast of Gridley. TRS: T1 N, R3E, Section 33 if surveyed.
    CHSC123880CHSCSonchus oleraceusLowell Ahart226742021-9-11 ButtePeach orchard, about 200 yards southwest of Robinson Corner, intersection of East Gridley Road and Highway 70, about 12 miles (air) southwest of Oroville. T1 N, R3E, northwest 1/4 Section 32.
    CHSC23344CHSCSonchus oleraceusWillis Ball4681975-3-02 Contra CostaContra Loma Regional Park. In area #5. On the w side of a hill in area #5 ca. 10 yds. e of water on e side of lake.
    CHSC31658CHSCSonchus oleraceusL. Ahart4741974-6-03 ButteIn garden. Peter Ahart Ranch, Honcut.
    CHSC31659CHSCSonchus oleraceusL. Ahart17821978-7-15 ButteAround the garden, Peter Ahart Ranch, Honcut.
    CHSC37529CHSCSonchus oleraceusM. S. Taylor50501982-10-11 ButteGraylodge Wildlife Refuge, near check-in station, sw jct of Pennington & Rutherford Rds, ca. 12 mi sw of Gridley. T1 N R01E S24 N1/2 of NE1/4 USGS Quadrangle: Pennington
    CHSC38390CHSCSonchus oleraceus1975-3-9 ButteUpper Bidwell Park, Chico, on the north rim ca. 2.0 mi e of the power lines.
    CHSC38391CHSCSonchus oleraceusVernon Oswald5121983-5-21 ButteUpper Bidwell Park, Chico, on the north rim at the level of Horseshoe Lake.
    CHSC39200CHSCSonchus oleraceusM. S. Taylor52101982-12-26 MercedAround edge of Rest Stop, e side of Interstate 5, on Merced-Stanislaus Co border, ca. 15 mi sw of Merced.
    CHSC424CHSCSonchus oleraceusJ. Turner1930-5-14 ButteChico Creek road.
    CHSC55887CHSCSonchus oleraceusS. C. Morey1986-7-07 SolanoSuisan Marsh. Southeast side of Van Sickle Island adjacent to the Sacramento River. T0 N R01E S USGS Quadrangle: Antioch North
    CHSC6086CHSCSonchus oleraceusB. Wilson1531968-4-17 ButteNE of Greenhouse, CSC campus.
    CHSC63240CHSCSonchus oleraceusLowell Ahart72801994-3-30 ButteGarden area at the north-east corner of Oregon City School House, Oregon City, about 7 miles north of Oroville. T2 N R04E S1 W1/4 of NE1/4
    CHSC66156CHSCSonchus oleraceusVernon H. Oswald7669.11996-5-27 ButteSacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In the pasture in the S paddock of Tract 7, Sanctuary II. T20n R01E S1 W1/4 OF SW1/4
    CHSC66157CHSCSonchus oleraceusVernon H. Oswald76701996-5-27 ButteSacramento River National Wildlife Refuge, Llano Seco Unit. U.S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. In pasture in the S paddock of Tract 7, Sanctuary II. T2 N R01E S1 W1/4 of SW1/4
    CHSC75065CHSCSonchus oleraceusRoger Thom221987-5-26 Contra Costa1100 block of Hillside Ave. Walnut Creek. Roadside.
    CHSC8150CHSCSonchus oleraceusJ. G. Moore911969-5-10 MarinOn n side of Hwy 104, 200 yds. e of Olema.
    CHSC8151CHSCSonchus oleraceusM. Banning331969-4-07 MarinBear Valley rd., 1 N. of Pt. Reyes Park headquarters.
    CHSC8152CHSCSonchus oleraceusK. Henegar821969-5-15 ButteCohasset Road, 1/2 m s of Chico Municipal airport; along w side of road.
    CHSC8560CHSCSonchus oleraceusM. MacArthur1651968-6-12 ButteCa. 5 W of Biology Stockroom in Life Science bld., Chico State College campus.
    CHSC98404CHSCSonchus oleraceusLeRoy Gross2362000-6-8 Los AngelesVerdugo Mountains: Off La Tuna Canon Road, on Santa Monica Mountains Conservancy land. On trail up out of canyon and going to the crest folllowing a ridge running northwest from the crest.
    CSUSB90283CSUSBSonchus oleraceusRoy W. Martin761228-61976-12-28 San BernardinoLytle Creek
    CSUSB90289CSUSBSonchus oleraceusRoy W. Martin770227-71977-2-27 San BernardinoLytle Creek
    CSUSB93851CSUSBSonchus oleraceusAylin Portillo2019-5-8 San Bernardino1 W. 9th Street, San Bernardino, California.
    DAV329089DAVSonchus oleraceusJ. Shepard4222001-3-26 YoloYolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 4 mi. south on Mace Blvd. (County Road 104), thence east 0.5 miles along County Road 36. Five yards from east boundary and the Department of Defense property fence and approximately 200 yards north of County Road 36.
    DAV338163DAVSonchus oleraceusKonshau Duman642019-4-20 GlennBird Haven Ranch, Butte City, on top of levee parallel to northward dirt road.
    DAV353793DAVSonchus oleraceusK. Esaus.n.1935-6-25 RiversideRiverside County: road to Beaumont.
    DAV353794DAVSonchus oleraceusK. Esaus.n.1937-5-28 YoloYolo County: Davis.
    DAV353795DAVSonchus oleraceusH. R. Drevers.n.1945-6-01 YoloYolo County: Davis.
    DAV353796DAVSonchus oleraceusLarry DeBuhr7931973-3-03 ImperialImperial County: Yuha Basin, Pinto Wash; along Highway 98 about 16 miles west of Calexico.
    DAV353797DAVSonchus oleraceusJack Delaini351974-2-21 Los AngelesLos Angeles County: Lodi Canon, San Dimas Experimental Forest, Angeles National Forest.
    DAV353798DAVSonchus oleraceusEllen Dean73272012-4-29 NapaNapa County: East of Las Posadas Rd. California Dept. of Forestry's Las Posadas State Experimental Forest, east of the town of Angwin. Near entrance gate, west of fire station buildings.
    DAV353799DAVSonchus oleraceusEllen Dean53192009-4-1 YoloYolo County: city of Woodland. Mavis Henson field property on the east side of County Road 102, just south of County Road 25. Property owned by city of Woodland.
    DAV353800DAVSonchus oleraceusGary D. Cromwell6531971-5-14 Los AngelesLos Angeles County: west-facing slope above middle part of canyon. Mystic Canon, Angeles National Forest, San Gabriel Mountains. 2 miles northeast of Glendora.
    DAV353801DAVSonchus oleraceusFrederica Bowcutt10311987-5-28 MendocinoMendocino County: Sinkyone Wilderness State Park; along the North Fork of Jackass Creek; just north of old town of Wheeler. SE of Bear Harbor 2 air miles.
    DAV353802DAVSonchus oleraceusD. S. Park3012011-5-21 Santa BarbaraSanta Barbara County: Growing along Floradale Ave. Adjacent to farmland.
    DAV353803DAVSonchus oleraceusCarla DeCrona11--1121992-4-05 SacramentoSacramento Co.: Cosumnes River Preserve Plant Inventory. Area 11: Live Oak, The Point: bounded on N by seasonal slough, on W by RR tracks, on S by Cosumnes River.
    DAV353804DAVSonchus oleraceusAlice Warricks.n.2008-4-1 NapaNapa County: Quail Ridge UC Reserve. 2005 Pleasure Fire burn site, along west loop road, north of Decker canyon.
    DAV353805DAVSonchus oleraceusD. S. Park151--42010-7-4 MontereyMonterey County: Monterey, near gas station before entrance to 17 Mile Rd. Small population.
    DAV353806DAVSonchus oleraceusDonald R. Bissing1481973-6-02 Los AngelesLos Angeles County: Evey Canon, San Gabriel Mountains. 1.4 miles from canyon mouth.
    DAV353807DAVSonchus oleraceusD. S. Park151--32010-7-4 MontereyMonterey County: Monterey, near gas station before entrance to 17 Mile Rd. Small population.
    DAV353808DAVSonchus oleraceusSusan Miller2--1291993-3-21 SacramentoSacramento Co.: Cosumnes River Preserve; collected in Area 2: Blue Field.
    DAV353809DAVSonchus oleraceusD. S. Park151--22010-7-4 MontereyMonterey County: Monterey, near gas station before entrance to 17 Mile Rd. Small population.
    DAV353810DAVSonchus oleraceusD. S. Park151--12010-7-4 MontereyMonterey County: Monterey, near gas station before entrance to 17 Mile Rd. Small population.
    DAV353811DAVSonchus oleraceusEllen Dean86062015-3-21 YoloYolo County: Audubon Bobcat Ranch. Western part of ranch, just north of Hwy 128 N of Putah Creek. Area E of Bray Canon at base of large escarpment labeled 'spring' on topo maps. Burned in 2014.
    DAV353812DAVSonchus oleraceusK. Mogel42002-5-4 NapaNapa Co.: Quail Ridge UC Reserve. At northern tip of ridge, N of the jct of West and East roads; ca. 100 ft along the lower road that leads to the power lines; immediately downslope of road.
    DAV353813DAVSonchus oleraceusL. Angst91975-3-27 UnknownCounty unknown: exact location unknown.
    DAV353814DAVSonchus oleraceusH. J. Baades.n.1920-5-01 NapaNapa County: Napa.
    DAV353815DAVSonchus oleraceusPerry S. Allen3221969-5-14 StanislausStanislaus County: at house on Grange Company ranch #10, 2.5 miles west of La Grange.
    DAV353816DAVSonchus oleraceusLinda M. Barker16441976-7-05 HumboldtHumboldt County: Lanphere-Christensen Dunes. 3 miles west of Arcata.
    DAV353817DAVSonchus oleraceusLinda M. Barker15461976-6-01 HumboldtHumboldt County: Lanphere-Christensen Dunes. 3 miles west of Arcata.
    DAV353818DAVSonchus oleraceusFrederica Bowcutt4351984-6-23 SonomaSonoma County: Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1.
    DAV353819DAVSonchus oleraceusFrederica Bowcutt10371987-5-28 MendocinoMendocino County: Sinkyone Wilderness State Park; along the North Fork of Jackass Creek; just north of old town of Wheeler. SE of Bear Harbor 2 air miles.
    DAV353820DAVSonchus oleraceusFrederica Bowcutt16551993-6-25 SacramentoSacramento County: Delta Meadows River Park. About 25 air miles S of Sacramento, 10 air miles W of Galt, and 1 air mile NE of Walnut Grove. Immed. E of Locke, in Sacramento River Delta, N of the Delta Cross Channel. Along perimeter of island owned by Asian City Corp. E and N of side slough off of Snodgrass Slough.
    DAV353821DAVSonchus oleraceusGerald L. Benny3801971-4-21 San BernardinoSan Bernardino County: Day Canon, San Bernardino National Forest.
    DAV353822DAVSonchus oleraceusJohn Thomas Howell516301976-5-16 KernKern Co.: Delano.
    DAV353823DAVSonchus oleraceusJames Henrickson12321963-4-30 Los AngelesLos Angeles County: Evey Canon, northeast of Claremont, along road to Mt. Baldy.
    DAV353824DAVSonchus oleraceusMary M. Hektner1671974-7-25 SonomaSonoma County: Galleon's Reach, Unit 3 Owner's Map, Sea Ranch, near State Highway 1.
    DAV353825DAVSonchus oleraceusMorris Halperins.n.1929-5-01 AlamedaAlameda County: streets of Berkeley.
    DAV353826DAVSonchus oleraceusK. Esaus.n.1937-5-28 YoloYolo County: Davis.
    DAV353827DAVSonchus oleraceusP. B. Kennedys.n.1920-6-23 YoloYolo County: Holland Land Co. Sacramento River - Clarksburg.
    DAV353828DAVSonchus oleraceusP. B. Kennedys.n.1914--1 YoloAlameda County: Berkeley Hills.
    DAV353829DAVSonchus oleraceusK. F. Mawdsley822005-4-30 SacramentoCalifornia: Sacramento County, Deer Creek Hills Reserve, south of Latrobe Rd., starting out along Latrobe 1.5 road miles W of intersection with Michigan Bar Rd. About 1/4 mi. from road into pasture.
    DAV353830DAVSonchus oleraceusJune McCaskill7701973-4-09 YoloYolo County: behind Robbins Hall, University of California campus, Davis.
    DAV353831DAVSonchus oleraceusN. Nicola0072001-3-14 YoloYolo County: Sacramento Valley, 4 miles west of Woodland, at Canone of Cache Creek.
    DAV353832DAVSonchus oleraceusM. Tu1941996-6-17 SacramentoSacramento Co.: Cosumnes River Preserve Plant Inventory - Tall Forest. Collected from the southern end of the Tall Forest, about 200 m E from the pump station.
    DAV353833DAVSonchus oleraceusEllen Dean88952016-5-12 SolanoSolano County: Mix Canon, to the west of Pleasant Valley Rd. Along road side on south side of creek. North and south sides of road.
    DAV353834DAVSonchus oleraceusD. S. Park682010-4-29 Los AngelesLos Angeles Co.: Wildwood Canon, picnic area, shady grassland, with Taraxacum officinale.
    DAV353835DAVSonchus oleraceusM. Tu1561998-11-05 SacramentoSacramento Co.: Cosumnes River Preserve Plant Inventory - Seed Bank Plants.
    DAV353836DAVSonchus oleraceusM. Tu2511999-5-13 SacramentoSacramento County: Cosumnes River Preserve Plant Inventory - Seed Bank Plants.
    DAV353837DAVSonchus oleraceusG. F. Hrusa92731992-4-22 San JoaquinSan Joquin County: Caswell Memorial State Park.
    DAV353838DAVSonchus oleraceusE. M. Johnston140J1915 ButteButte County: Biggs.
    DAV353839DAVSonchus oleraceusK. Esaus.n.1937-5-28 YoloYolo County: Davis.
    DAV353840DAVSonchus oleraceusAyzik Solomeshchs. n.2004-5-13 YoloYolo County: Audubon Bobcat Ranch, west of the city of Winters. Southeastern corner of ranch.
    DAV353841DAVSonchus oleraceusMary M. Hektner1031974-7-02 SonomaSonoma County: Near State Highway 1, Sea Ranch, Unit 28 Owner's Map.
    DAV353842DAVSonchus oleraceusW. R. Dudleys.n.1906-5-28 Santa ClaraSanta Clara County: Stanford University. Court back of library.
    DAV353843DAVSonchus oleraceusBarbara Yungert1181974-5-06 YubaYuba County: south of station headquarters, Sierra Foothill Field Station.
    DAV353844DAVSonchus oleraceusIra L. Wiggins203341965-11-06 OrangeOrange County: west side of Atwood.
    DAV353845DAVSonchus oleraceusErnest C. Twisselmann79311962-10-20 San Luis ObispoSan Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern part of county.
    DAV353846DAVSonchus oleraceusErnest C. Twisselmann46731958-8-17 San Luis ObispoSan Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern part of county.
    DAV353847DAVSonchus oleraceusM. Tu1911995-8-10 SacramentoSacramento Co.: Cosumnes River Preserve - Tall Forest. Collected from the southern end of the Tall Forest, about 200 meters E from the pump station.
    DAV353848DAVSonchus oleraceusRobert F. Thorne584121984-5-06 Santa BarbaraSanta Barbara County: Santa Cruz Island: Prisoners' Bay Canon, behind Prisoners' Harbor Camp.
    DAV353849DAVSonchus oleraceusAlice Warrick291979-5-19 YoloYolo County: Davis. 870 Linden lane. Growing as a weed in cultivated garden.
    DAV353850DAVSonchus oleraceusKenneth A. Wilson8751961-2-21 Los AngelesLos Angeles County: Northridge. San Fernando Valley State College campus.
    DAV353851DAVSonchus oleraceusClifton F. Smith6561944-4-01 Santa BarbaraSanta Barbara County: in Botanic Garden, Santa Barbara.
    DAV353852DAVSonchus oleraceusC. W. Tilforth2101969-7-17 Los AngelesLos Angeles County: Rancho Santa Ana Botanical Garden, Claremont.
    DAV353853DAVSonchus oleraceusRichard Smiths. n.2009-7-20 MontereyMonterey County: S of the town of Salinas at the end of Somavia Rd. near the Salinas River.
    DAV353855DAVSonchus oleraceusA. C. Sanders299622005-5-6 San DiegoSan Diego County: Peninsular Ranges; Coastal Foothills region: Blue Sky Ecological Reserve, east of Rancho Bernardo and north of Poway, along Green Valley Truck Trail, in canyon below turnoff to Lake Poway.
    DAV353856DAVSonchus oleraceusBob Rodin1161943-4-16 AlamedaAlameda County: UC Berkeley. Strawberry Canon. Southern slope. West of the Botanical Garden.
    DAV353857DAVSonchus oleraceusD. S. Park622010-4-29 Los AngelesLos Angeles Co.: Wildwood Canon, roadside near first canyon entrance trailhead.
    DAV353858DAVSonchus oleraceusGerry North71993-4-1 SonomaSonoma County: Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Across road from Goodspeed trailhead pullout.
    DAV353861DAVSonchus oleraceusJames P. Smith68621973-5-26 HumboldtHumboldt County: Scotia Bluffs along the Eel River near Rio Dell.
    DAV353862DAVSonchus oleraceusC. W. Tilforth2381969-7-17 Los AngelesLos Angeles County: Rancho Santa Ana Botanical Garden, Claremont.
    DAV353863DAVSonchus oleraceusRobert F. Thorne366671966-9-14 Los AngelesLos Angeles County: Santa Catalina Island, Little Harbor.
    DAV44135DAVSonchus oleraceusIra L. Wiggins205141966-3-05 OrangeOrange County: 1/2 mile W of El Toro P.O. along Highway S-18.
    GMDRC1121GMDRCSonchus oleraceusJ. Andre40482003-5-25 San BernardinoGranite Mtns: Granite Mtns: Mouth of Budweiser Cyn, growing in wet sandy soil in streambed.. Elev. 3788 ft.
    HSC104456HSCSonchus oleraceusJeff Barrett252014-4-13 HumboldtSamoa Peninsula, Fairhaven, along south side of Bay Street
    HSC12548HSCSonchus oleraceusC. Kline771970-11-15 Humboldt4.2 N of Trinidad, olf Hwy. 101
    HSC26377HSCSonchus oleraceusT.O. Osborne381970-9-16 HumboldtTrinidad Bay, Prisoner Rock
    HSC39802HSCSonchus oleraceusPeter Sorensensn1976-6-11 HumboldtKing Salmon
    HSC39938HSCSonchus oleraceusLinda M. Barker16441976-7-05 Humboldt3 W of Arcata
    HSC40944HSCSonchus oleraceusLinda M. Barker15461976-6-01 HumboldtLanphere-Christensen Dunes, 3 W of Arcata.
    HSC52617HSCSonchus oleraceusG.L. Clifton55391979-6-19 Del NorteNear Smith River, S Fork, close to the town of Gasquet.
    HSC60123HSCSonchus oleraceusM.A. Baker5591978-5-20 HumboldtHoopa Indian Reservation
    HSC6222HSCSonchus oleraceusJ.R. Bernardsn1963-4-08 MontereyLaguna Seca, half way between Salinas and Monterey.
    HSC6223HSCSonchus oleraceusJ.W. Johnson12161962-4-08 HumboldtArcata, Mad River Co. Park
    HSC6224HSCSonchus oleraceusJ.W. Johnson10431961-8-17 HumboldtArcata, W.M. Lanphere Farm, Samoa Peninsula.
    HSC67888HSCSonchus oleraceusJ.P. Smith68621973-5-26 HumboldtScotia Bluffs along the Eel River near Rio Dell
    HSC89465HSCSonchus oleraceusP.A. Daly691986-3-12 HumboldtTrinidad Head, along trail
    HSC91760HSCSonchus oleraceusSusan H. Bicknellsn1989-4-16 San Luis ObispoMontana de Oro State Park, MDO 1000
    HSC91903HSCSonchus oleraceusE. Mackeysn1986-11-02 HumboldtPatrick's Point State Park; by road to Palmer's Point
    HSC93285HSCSonchus oleraceusF. Bowcutt8161987-5-26 MendocinoS of BLM's King Range Conservation Area, 0.5 air miles SW of Four Corners, at entrance sign to park along Needle Rock Rd. (County Rd. 435)
    IRVC105426IRVCSonchus oleraceusRobert Lee AllenA6291983-2-12 OrangeFullerton: Hillcrest Park, slope bordering E. Valley View Drive
    IRVC105428IRVCSonchus oleraceusB. Mawdsley5021965-3-30 OrangeEast Bluff at Mar Vista
    IRVC105429IRVCSonchus oleraceusR. Acevedo1965-5-05 OrangeBack Bay
    IRVC105431IRVCSonchus oleraceusR. Acevedo5031965-4-30 OrangeNewport Beach, [Newport] Back Bay; 33.6304 -117.8854
    IRVC105432IRVCSonchus oleraceusBarbara T. Gittins701963-3-22 OrangeOrange Coast College campus, Costa Mesa
    IRVC105433IRVCSonchus oleraceusD. Van Gorden4931965-5-09 OrangeSilverado Canon
    IRVC105434IRVCSonchus oleraceusDebbie Frees4941965-3-13 OrangeSilverado Canon
    IRVC105435IRVCSonchus oleraceusMike Munier5011965-4-10 OrangeNewport Beach, Back Bay
    IRVC105436IRVCSonchus oleraceusJ. Schram4991965-5-03 OrangeCorona Del Mar, 564 Seaward Rd.
    IRVC105437IRVCSonchus oleraceusL. Stilgenbauer5001965-4-15 OrangeCorona del Mar; 339 Milford Drive.; 33.59063 -117.86204
    IRVC105438IRVCSonchus oleraceusC. Hooven4961965-4-17 OrangeSanta Ana heights: Palisades and Spruce.
    IRVC105439IRVCSonchus oleraceusIra L. Higgins4061966-1-11 OrangeOrange grove
    IRVC105440IRVCSonchus oleraceusJanet Morgan5041965-4-03 ImperialJ street and West I, Brawley
    IRVC105441IRVCSonchus oleraceusRay Nesheia5051965-4-24 RiversideHighway 74 at Elsinore
    IRVC105442IRVCSonchus oleraceusR. Salcido1965-5-08 ?  OrangeCorona.
    IRVC105443IRVCSonchus oleraceusG.K. Helmkamp; E.A. Helmkamp88382004-10-8 San Luis ObispoCentral Coast: Biddle Regional Park, 7 NE of Arroyo Grande along Lopez Drive and Arroyo Grande Creek
    IRVC105444IRVCSonchus oleraceusD.W. Goodall1968-4-02 Imperial1 W of Glamis.
    IRVC105445IRVCSonchus oleraceusMichael Simpson24072003-5-3 San DiegoOtay Mtn watershed; Mine Cyn, ca. 0.7 N of Marron [Valley] Road.
    IRVC105446IRVCSonchus oleraceusScott Boczkiewicz10012005-2-5 San DiegoW side of Otay Mtn; 1.5km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canon.
    IRVC105447IRVCSonchus oleraceusMark A. Elvin26332003-5-3 San DiegoSE side of Otay Mountain, W Marron Valley, mouth of Mine Canon, ca. 1.0 N of Mexican border, slopes above the Tijuana River
    IRVC105448IRVCSonchus oleraceusMark A. Elvin39452005-2-5 San DiegoW side of Otay Mtn; 1.5km SSE of Savage Dam (Otay Lake); N of County Prison; near tributary to Otay River, N of O'Neal Canon. Rocky (granite) clay with scattered clay lenses; SD Plant Atlas grid V14
    IRVC105449IRVCSonchus oleraceusA.C. Sanders296502005-4-22 San DiegoBatiquitos Lagoon Ecological Reserve, N side of lagoon, E of I-5 fwy, along trail past the nature center.
    IRVC105450IRVCSonchus oleraceusA.C. Sanders265372003-5-4 San DiegoOtay Mountain, ridge ca. 2-3 miles east of the peak, around end of jeep trail
    IRVC113372IRVCSonchus oleraceusMichael G. Simpson43802020-4-17 OrangeForster Canon Trail system, along narrow side trail
    IRVC113417IRVCSonchus oleraceusMichael G. Simpson44332020-5-20 OrangeRonald W. Canong Bell Canon trail.
    IRVC113770IRVCSonchus oleraceusMichael G. Simpson42762019-6-8 OrangeAlong canyon bottom, ca. 0.3 mile north of Forest Rte 3S04, ca. 3.6 miles along road from Hwy 74 (Ortega Highway). Santa Ana Mountains.
    JEPS100168UCJEPSSonchus oleraceusG. SmickGAS992003-3-27 Contra CostaMt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site
    JEPS111647UCJEPSSonchus oleraceusA. G. Murdock1772003-9-12 SolanoMare Island
    JEPS117702UCJEPSSonchus oleraceusLowell Ahart166712010-5-14 ButteOn the south side of a trail, about 1/2 mile west of the entrance to the Disc Golf Area, west of Highway 32. Upper Bidwell Park, about 4 1/2 miles (air) northeast of Chico
    JEPS118037UCJEPSSonchus oleraceusLowell 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
    JEPS118346UCJEPSSonchus oleraceusLowell Ahart173602011-6-3 ButteWood chipped planter area between Bidwell Mansion parking area and Gateway Science Museum, Chico
    JEPS119796UCJEPSSonchus oleraceusLowell 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.
    JEPS121127UCJEPSSonchus oleraceusLowell Ahart, John Dittes, Josephine Guardino186032013-4-26 Mendocino1.1 air miles SSE of Anchor Bay, 2.0 air miles NW of mouth of Gualala River.
    JEPS124111UCJEPSSonchus oleraceusLowell Ahart202062015-6-6 ButteAbout 5/8 mile northwest of the iron gate along Cherokee Road, Beatson Hollow, North Table Mountain, about 7 miles (air) north of Oroville.
    JEPS124161UCJEPSSonchus oleraceusLowell Ahart206122015-11-4 SutterAbout 50 yards east of George Washington Blvd., about 1 1/8 mile south of the intersection of Highway 20 and George Washington Blvd., Yuba City.
    JEPS124183UCJEPSSonchus oleraceusLowell Ahart199232015-1-27 ButteNorthwest of intersection of Hazel Street and Virginia Street, Gridley.
    JEPS127078UCJEPSSonchus oleraceusLowell Ahart206912015-11-21 ButteOn the north side of home, Peter Ahart Ranch, about 1 1/2 miles north and one mile east of Honcut, about 12 miles south of Oroville.
    JEPS18665UCJEPSSonchus oleraceusErnest C. Twisselmann16581954-11-09 KernBuena Vista Lake Bed Western San Joaquin Valley, Temblor Rsnge, Buena Vista Lake (Temblor Range, Western San Joaquin Valley)
    JEPS30414UCJEPSSonchus oleraceusDonald Kyhos59-11959-1-04 Los AngelesWhittier
    JEPS30626UCJEPSSonchus oleraceusPeter H. Raven141651959-5-09 Los AngelesMulholland Hwy 1 mi w Las Virgenes Rd. (Malibu Creek drainage, Santa Monica Mountains); Santa Monica Mountains, Malibu Creek drainage
    JEPS30646UCJEPSSonchus oleraceusPeter H. Raven, Henry J. Thompson143461959-6-04 Los AngelesPoint Dume Santa Monica Mountains, Point Dume
    JEPS30659UCJEPSSonchus oleraceusPeter H. Raven, Henry J. Thompson144471959-9-18 Los AngelesUniversity of California, West Los Angeles Santa Monica Mountains, University of California, West Los A
    JEPS31260UCJEPSSonchus oleraceusErnest C. Twisselmann79311962-10-20 San Luis ObispoDorothy Twisselmann Ranch Western San Joaquin Valley, Temblor Range, Dorothy Twisselma (Temblor Range, western San Joaquin Valley, eastern San Luis Obispo County)
    JEPS32811UCJEPSSonchus oleraceusE. R. Blakley58681963-5-23 Santa Barbaraw side Cuyler Harbor (San Miguel Island, Channel Islands); Channel Islands, San Miguel Island, w side Cuyler Harbor
    JEPS32812UCJEPSSonchus oleraceusE. R. Blakley58191963-5-22 Santa Barbarabase of sand spit at Cardwell Point (Channel Islands, San Miguel Island); Channel Islands, San Miguel Island, Cardwell Point
    JEPS37524UCJEPSSonchus oleraceusWillis L. Jepson67701916-4-16 KernBakersfield Bakeresfield
    JEPS37525UCJEPSSonchus oleraceusWillis L. Jepson165551934-4-08 SolanoLittle Oak , Little Oak (Vacaville)
    JEPS37531UCJEPSSonchus oleraceusWillis L. Jepson176051936-6-02 Napabanks Napa River (St. Helena); banks Napa River, St. Helena
    JEPS37532UCJEPSSonchus oleraceusLincoln Constance7971934-6-03 Humboldtfoot of bank along n side Redwood Highway at Dyerville (South Fork Eel River, Bull Creek Region); Bull Creek Region, South Fork Eel River
    JEPS58909UCJEPSSonchus oleraceusJavier Penalosa, J. T. Howell16461961-6-07 Marinw Marin Country Day School (Tiburon Peninsula); Tiburon Peninsula
    JEPS77159UCJEPSSonchus oleraceusRobert M. Lloyd23071963-4-05 Marinabout 1 mi nw Tiburon (near housing tract)
    JEPS84553UCJEPSSonchus oleraceusJohn W. Willoughby16681976-5-06 SolanoMix Canon Vaca Mountains, Mix Canon
    JEPS84554UCJEPSSonchus oleraceusJohn W. Willoughby17181976-5-18 Solanonear Mix Canon Road (Mix Canon, Vaca Mountains); Vaca Mountaina, Mix Canon
    JEPS88920UCJEPSSonchus oleraceusRimo Bacigalupi, L. Heckard, P. C. Hutchison82311962-3-16 Orange2 mi n Doheny Beach State Park (along U.S. 101)
    JOTR29401JOTRSonchus oleraceusLa Doux, Tasha14782006-5-22 San BernardinoJoshua Tree National Park. Willow Hole
    JOTR30283JOTRSonchus oleraceusLa Doux, Tasha17792007-5-31 RiversideJoshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis.
    JOTR30284JOTRSonchus oleraceusLa Doux, Tasha17792007-5-31 RiversideJoshua Tree National Park. Stop 2: Cottonwood Springs/Oasis; in wet soil at oasis.
    JOTR30790JOTRSonchus oleraceusLa Doux, Tasha20972007-2-26 RiversideJoshua Tree National Park. Eagle Mountains; Cottonwood Oasis
    JOTR31013JOTRSonchus oleraceusLa Doux, Tasha12792010-6-15 San BernardinoJoshua Tree National Park. Little San Bernardino Mountains; Wonderland of Rocks; above Keys Ranch by dam (Stop 1)
    JOTR31031JOTRSonchus oleraceusLa Doux, Tasha15352010-4-27 San BernardinoJoshua Tree National Park. Oasis of Mara, Park Head Quarters, survey surrounding administrative buildings
    JOTR36220JOTRSonchus oleraceusLa Doux, Tasha34732014-4-24 San BernardinoJoshua Tree National Park. Little San Bernardino Mtns; Wonderland of Rocks; narrow, steep drainage with boulder walls and sandy bottom (Stop 5)
    JROH1260JROHSonchus oleraceusJohn H. Thomas105341964-11-29 San MateoJasper Ridge Biological Preserve, Stanford University; W end of Searsville Dam
    JROH1261JROHSonchus oleraceusJohn H. Thomas156561970-7-05 San MateoJasper Ridge Biological Preserve, Stanford University
    JROH1262JROHSonchus oleraceusJohn H. Thomas170921974-4-06 San MateoJasper Ridge Biological Preserve, Stanford University; west side of dam
    JROH1263JROHSonchus oleraceusJohn Hunter Thomas205541981-5-08 San MateoJasper Ridge Biological Preserve, Stanford University
    LA00638564LASonchus oleraceusPeter H. Raven146151959-10-10 Los AngelesSanta Monica Mountains; University of California, Los Angeles
    LA00638566LASonchus oleraceusArthur C. Gibson41292001-4-20 VenturaSanta Monica Mountains; Mountclef Ridge; Wildwood Regional Park, Thousand Oaks; Santa Rosa Trail
    LA00638567LASonchus oleraceusBarry A. Prigge87081989-5-10 Los AngelesSanta Monica Mountains; Point Dume; above Dume Cove
    LA00638568LASonchus oleraceusBarry A. Prigge87121989-5-10 Los AngelesSanta Monica Mountains; Point Dume; above Dume Cove
    LA00638569LASonchus oleraceusNorman A. Cole3501964-5-1 VenturaSanta Monica Mountains; Point Mugu Beach
    LA00638571LASonchus oleraceusNorman A. Cole350b1964-5-1 Los AngelesSanta Monica Mountains; 9.7 mi from Pacific Coast Hwy along Piuma Rd
    LA00638574LASonchus oleraceusMonte Lloyd500731p9531950-7-31 Los AngelesSanta Monica Mountains; University of California at Los Angeles Campus
    LA00638575LASonchus oleraceusHarlan Lewis1940-8-14 Los AngelesSanta Monica Mountains; Campus of University of California at Los Angeles
    LA105051LASonchus oleraceusBarry A. Prigge82171988-7-03 Los AngelesSanta Monica Mountains; Calabasas, ca 0.4 mi E of jtn of Mulholland Hwy and Old Topanga Rd, S of E-end of Calabasas High School track
    LA210378LASonchus oleraceusJohn Lambrinos96--221996 Santa BarbaraCentral Coast; Vandenberg Air Force Base
    LA212313LASonchus oleraceusL. Hainess.n.1949-7-22 Los AngelesCanoga Park
    LA212314LASonchus oleraceusBill Bozarths.n.1949-7-11 Los AngelesConoga Park
    LA213933LASonchus oleraceusJoseph Andorfer Ewan75331932-5-19 Los AngelesPlaya del Rey, near power house
    LA32074LASonchus oleraceusHenry J. Thompson143461959-6-04 Los AngelesSanta Monica Mountains; Point Dume
    LA32075LASonchus oleraceusPeter H. Raven1959-9-18 Los AngelesCampus of University of California at Los Angeles
    LA32076LASonchus oleraceusPeter H. Raven141651959-5-09 Los AngelesSanta Monica Mountains; Mulholland Hwy, 1 W of Las Virgenes Rd, Malibu Creek drainage
    LA35622LASonchus oleraceusRonald A. Cross356221952-5-1 Los AngelesSanta Monica Mountains; Topanga Canon
    LOB118453LOBSonchus oleraceusBryana Olmeda012017-3-4 OrangeSanta Ana Mountains, Cleveland National Forest, Silverado Canon, Motorway Trail.
    LOB118454LOBSonchus oleraceusP.C. Baker51051965-2-10 Los Angeleswash on Pomona College Canont
    LOB118455LOBSonchus oleraceusHajer Rawag22017-3-4 OrangeCleveland National Forest, Santa Ana Mountains, Silverado Canon Rd
    LOB118456LOBSonchus oleraceusD. Green561970-3-24 Los AngelesCSULB Campus, lower campus area
    LOB118457LOBSonchus oleraceusF. DeVito541970-5-05 RiversideGreen River Camp, Rt. 91, 4 miles W of Corona.
    MCCC358MCCCSonchus oleraceusRita Fenton1982-2-26 MendocinoSkunk Railroad right-of-way, Pudding Creek
    MCCC359MCCCSonchus oleraceusRita Fenton1982-2-26 MendocinoSkunk Railroad right-of-way, Pudding Creek
    MCCC384MCCCSonchus oleraceusMarcia Snyder1982-3-18 MendocinoHesser House
    MCCC5971MCCCSonchus oleraceusR. Woodward821982-3-15 MendocinoOn old railroad road at end of Rd. 400, Jackson State Demonstration Forest
    OBI145797OBISonchus oleraceusRobert L. AllenA6041982-5-07 San Luis Obispodunes just SW of Highway 1, 10 miles NW of Cambria
    OBI145798OBISonchus oleraceusDavid Keil320932014-2-25 San Luis ObispoLos Osos. El Morro Elfin Forest. West of South Bay Blvd. and north of Santa Ysabel Ave.; weedy strip along South Bay Blvd.
    OBI145799OBISonchus oleraceusDavid Keil337112016-3-15 San Luis ObispoSouthern foothills of San Luis Range. Wild Cherry Ranch west of Avila Beach.
    OBI145800OBISonchus oleraceusD.R. Miller615.11292015-6-12 San Luis ObispoPine Mountain Region. This material is from Ridge Top property N of County/State communication towers.
    OBI145801OBISonchus oleraceusDavid J. Keil229211992-5-2 San Luis ObispoLaguna Lake City Park. Along Madonna road in grassy strip with lawn
    OBI145802OBISonchus oleraceusDavid J. Keil319782013-8-28 San Luis ObispoMorro Bay State Park. East of South Bay Blvd at northern edge of park along unpaved access road to pumphouse. Area of former campground.
    OBI145803OBISonchus oleraceusJennifer Stone51986-3-09 San Luis ObispoCuesta Ridge E in chaparral area burned over in the Las Pilitas Fire of June-July 1985. Voucher for fire successional thesis study, Soils Science Dept, Calif Poly State Univ. Site 1
    OBI145809OBISonchus oleraceusDavid J. Keil245461995-3-04 Santa BarbaraNorth base. along beach blvd. west of railroad tracks.
    OBI145810OBISonchus oleraceusDavid J. Keil254411995-6-27 San Luis ObispoWest Cuesta Ridge at east end of botanical area
    OBI145811OBISonchus oleraceusDebora Guillot5.31993-7-15 San Luis ObispoSan Simeon State park. N central section of park
    OBI145812OBISonchus oleraceusLarry Kelly2821988-10-01 San Luis ObispoPismo marsh between Pismo State Beach campground and Grand Ave
    OBI145813OBISonchus oleraceusMike Wemp381972-3-29 San Luis ObispoAbout 1/2 W of Montana de Oro state park campground
    OBI145814OBISonchus oleraceusLynne D. Althouse161977-3-31 San Luis ObispoWolfe's Horse ranch near San Luis High School
    OBI145815OBISonchus oleraceusSharon Jochums261974-3-09 San Luis ObispoW of hwy 1 just S of Arroyo de la Cruz
    OBI145816OBISonchus oleraceusA. C. Sanders75481987-11-28 San BernardinoGlen Helen Sheriff's Training Facility, lower Lytle Crk wash between Verdemont Ranch and Glen Helen Rehabilitation facility
    OBI145817OBISonchus oleraceusDavid J. Keil181351984-4-28 San Luis ObispoAmer Cyn are in La Panza Mts
    OBI145818OBISonchus oleraceusLarry Kelly5231991-6-22 Santa CruzSoquel Demonstration State forest off of Highland Ave
    OBI145819OBISonchus oleraceusDan Sheehy31978-10-04 San Luis ObispoE facing slope near tennis courts at Tropicana Village, San Luis Obispo
    OBI145820OBISonchus oleraceusTracey & Viola Call21211962-4-08 RiversideRancho Rd. Corona
    OBI145821OBISonchus oleraceusRick Frelinger671982-5-10 San Luis ObispoSan Luis Crk in Reservoir Cyn, San Luis Obispo
    OBI145822OBISonchus oleraceusBetty Sheehan81957-10-11 San Luis ObispoCal Poly Campus, Science bldg
    OBI145823OBISonchus oleraceusJim Heaston331955-10-13 San Luis ObispoCal Poly, San Luis Obispo
    OBI145824OBISonchus oleraceusBetty Sheehan191957-10-11 San Luis ObispoCal Poly Campus, Science bldg
    OBI145825OBISonchus oleraceusDavid J. Keil147101981-5-16 San Luis ObispoArea around Arroyo de la Cruz near its crossing of hwy 1
    OBI145826OBISonchus oleraceusRebecca Cicoria631982-5-08 Los AngelesPalos Verdes Peninsula, Sepulveda Cyn, along Si's Trl, Rolling Hills
    OBI145827OBISonchus oleraceusRebecca Cicoria621982-5-08 Los AngelesPalos Verdes Peninsula, Sepulveda Cyn, along Si's Trl, Rolling Hills
    OBI145828OBISonchus oleraceusEric Wise18841984-4-29 San Luis ObispoLittle Morro Crk. From the laguna to the hwy 1 overpass
    OBI145829OBISonchus oleraceusAllison Berry221984-2-26 San Luis ObispoCamp San Luis Shooting Facility 6.5 N of San Luis Obispo on hwy 1. Near front entrance gate
    OBI145830OBISonchus oleraceusSharon Jochums661974-4-03 San Luis ObispoW of hwy 1 S of Piedras Blancas Point on marine terr
    OBI145831OBISonchus oleraceusGregg A. Young371972-5-06 Santa BarbaraPt Sal area
    OBI145832OBISonchus oleraceusSmeltzer501982-4-12 San Luis ObispoSE side of Laguna Lake park from the roadway over to base of hill
    OBI145833OBISonchus oleraceusMelissa Luckow601980-5-20 San Luis ObispoPoly Cyn, near the end of the rd on the N side
    OBI145834OBISonchus oleraceusBob Everett21964-2-16 San Luis ObispoPoly Cyn, Cal Poly, San Luis Obispo
    OBI145835OBISonchus oleraceusDavid J. Keil147351981-5-19 San Luis ObispoIndian Knob. Upper slopes of Indian Knob
    OBI145836OBISonchus oleraceusDavid J. Keil145091981-4-24 San Luis ObispoJctn of Shell Crk Rd and Calif hwy 58 S of Shandon
    OBI145837OBISonchus oleraceusDavid J. Keil119641977-3-25 Santa BarbaraJust E of Pine cyn Ranger Station along Calif 166
    OBI145838OBISonchus oleraceusHannah Rothlin61981-2-20 San Luis ObispoAlong the W bands of Poly Cyn rd .5 mi past the entrance
    OBI145839OBISonchus oleraceusGreg Wilvert3202005-4-25 San Luis ObispoSE Half of the Caliente Range. 1.1 km SW of Wells spring
    OBI145840OBISonchus oleraceusArthur W. Hazebrook2131993-5-23 San Luis ObispoNipomo Dunes Complex, Riparian corridor along N base of Big Coreopsis Hill
    OBI145841OBISonchus oleraceusRobert F. Hoover87041964-4-14 San Luis ObispoSan Luis Obispo
    OBI145842OBISonchus oleraceusLarry Kelly5861991-7-01 Santa CruzSoquel Demonstration State forest off of Highland Ave
    OBI145843OBISonchus oleraceusR. R. La Belle401967-10-10 San Luis ObispoLaguna Lake, San Luis Obispo
    OBI161583OBISonchus oleraceusDavid Keil356532019-5-9 Santa BarbaraSanta Ynez Mountains. Phytojog 2019 trip to The Nature Conservancy's Jack and Laura Dangermond Preserve. Stop 1. Cojo Ranch Unit. 1.34 miles east from Cojo Gate along Long Canon Rd. and 1.5 miles east from the Pacific coast. Site with wells and weather station.
    OBI166748OBISonchus oleraceusReed Kenny8582019-6-20 Santa CruzSwanton pacific ranch
    OBI181186OBISonchus oleraceusDavid J. Keil325942015-2-14 San Luis ObispoPismo Preserve. Vicinity of intersection of Thousand Hills Road with Price Canon Road
    PGM5512PGMSonchus oleraceusHowitt, Beatrice F00321955-5-09 MontereyMonterey Peninsula, Pacific Grove, Piedmont Avenue Del Monte Park
    POM11349RSASonchus oleraceusF. L. Robinson101921-3-17 Los AngelesClaremont, near the Greek [Theater]
    POM122397RSASonchus oleraceusMarcus E. Joness.n.1926-9-09 Los AngelesCatalina Island.
    POM12323RSASonchus oleraceusF. L. Robinson581921-5-09 Los AngelesClaremont.
    POM155584RSASonchus oleraceusM. B. Dunkle18541928-4-11 Los AngelesSanta Catalina Island. Near Isthmus.
    POM155653RSASonchus oleraceusM. B. Dunkle19391928-5-13 Los AngelesSanta Catalina Island. Coach road. Talus slope near Wishbone Loop
    POM160622RSASonchus oleraceusMarcus E. Joness.n.1929-3-25 Santa BarbaraSanta Cruz Island.
    POM178031RSASonchus oleraceusJoseph A. Ewan41921931-5-11 Los Angeles1 mile noth Van Nuys Estate, West 6th St.
    POM181428RSASonchus oleraceusI. L. Wiggins46081930-4-18 Contra CostaJersey Island.
    POM181473RSASonchus oleraceusH. F. Copeland8631923--1 ButteNelson.
    POM19130RSASonchus oleraceusP. A. Munz66801923-4-09 Los AngelesSan Clemente Island. Canon 3 miles southeast of Casa Blanca.
    POM201741RSASonchus oleraceusL. M. Booth10121932-5-12 OrangeNewport Bay.
    POM202167RSASonchus oleraceusL. M. Booth11931932-6-15 OrangeMarsh border East of Huntington Beach.
    POM202168RSASonchus oleraceusL. M. Booth12971932-7-21 OrangeNear Sunset Beach, Anaheim Marsh.
    POM202169RSASonchus oleraceusL. M. Booth13051932-7-23 OrangeCorona del Mar, Newport Beach.
    POM226221RSASonchus oleraceusJ. T. Howell116721933-9-17 SolanoSuisun
    POM292651RSASonchus oleraceusLyman Benson32931932-4-11 KernBakersfield. Kern River Watershed.
    POM292654RSASonchus oleraceusLyman Benson8371928-12-15 San MateoLake Searsville, Stanford, Santa Cruz, San Francisco Bay
    POM292655RSASonchus oleraceusArthur L. Cohen561934-2-26 KernBakersfield. Kern River Watershed.
    POM292656RSASonchus oleraceusCora W. Bensons.n.1929-1-19 Santa BarbaraRoadside at Santa Barbara
    POM361387RSASonchus oleraceusN. C. Cooper20181942-10-01 Los AngelesHancock Bld. campus. Univ. So. Calif. Growing in bed of Pfitzer Juniper.
    POM37304RSASonchus oleraceusMarcus E. Joness.n.1881-6-1 Santa CruzSanta Cruz.
    POM6198RSASonchus oleraceusN. R. Shaws.n.1900-6-11 Los AngelesClaremont.
    POM6199RSASonchus oleraceusArthur M. Cleghorns.n.1902-6-20 Los AngelesClaremont.
    POM6212RSASonchus oleraceusCrawfords.n.1916-3-29 Los AngelesSanta Monica Mountains
    POM78965RSASonchus oleraceusI. M. Johnstons.n.1925-7-23 San BernardinoCucamonga Canon. On the scramble around 3rd falls.
    PPWD1248PPWDSonchus oleraceusP. Rockwood15682016-6-24 SonomaPepperwood Preserve - In Tower in the saddle area; on steep N-facing slope in mature mixed evergreen forest; under Douglas-fir with CA bay and some Oregon oak; in full shade.
    PPWD170PPWDSonchus oleraceusG. de Nevers7871981-4-23 SonomaPepperwood Preserve - Pippendale farm.
    PPWD171PPWDSonchus oleraceusG. de Nevers12491981-5-20 SonomaPepperwood Preserve - Weed at Pippendale Garden
    PPWD495PPWDSonchus oleraceusG. de Nevers13391981-5-30 SonomaPepperwood Preserve - In creek bed N of Hansel's corral. Sand and gravel.
    PUA44067PUASonchus oleraceusJoe Callizo1980-5-29 NapaLocal landmark: Napa. Napa Quad.
    PUA55674PUASonchus oleraceusBill Grummer1982-8-08 NapaLocal landmark: Robert L. Stevenson Mem. Park. Detert Reservoir Quad.
    PUA60801PUASonchus oleraceusG.L. Clifton1984-5-30 SonomaLocal landmark: Socrates Mine. The Geysers Quad.
    PUA64261PUASonchus oleraceusG.L. Clifton1986-5-29 Santa CruzLocal landmark: Ruins Creek. Felton Quad.
    PUA6720PUASonchus oleraceusLavern C. Wolcott1951-6-13 MendocinoLocal landmark: Albion. Albion Quad.
    RSA0010443RSASonchus oleraceusJon P. Rebman301442015-5-6 San DiegoCanon: southeast portion of Base; Juliet Training Area; north of Engineer Hill Rd.; along dirt road in a canyon.
    RSA0013982RSASonchus oleraceusLeRoy Gross59932013-4-3 San DiegoUS Fish and WildlifeOneonta Slough; Tijuana Slough National Wildlife Refuge. North of the mouth of the Tijuana River.; Imperial Beach 7.5 quad.Started at the end of seacoast Drive, Imperial Beach near 32.56 N 117.13 W south a short distance.
    RSA0021285RSASonchus oleraceusDuncan S. Bell50802013-6-13 Los AngelesAngeles National ForestSan Gabriel Mountains region: Sheep Mountain Wilderness; Coldwater Canon off of Canon, on the southwestern flanks of Mount San Antonio.; Mount Baldy
    RSA0021431RSASonchus oleraceusAnonymouss.n.1951-3-20 Los AngelesPoint Dume
    RSA0021711RSASonchus oleraceusDuncan S. Bell52612013-6-24 Los AngelesAngeles National ForestSheep Mountain Wilderness; East Fork of the San Gabriel River, below Airplane Flat, behind the Bridge To Nowhere.; Mount San Antonio
    RSA0036266RSASonchus oleraceusM. B. Dunkle20131928-10-07 Los AngelesDescanso Canon.
    RSA0036768RSASonchus oleraceusTOAD0013-811981-3-03 Los Angeles1 W. Grondahl, Covina. On NW corner of property.
    RSA0036836RSASonchus oleraceusB. Daniel Stickney361981-5-23 Los AngelesIn San Jose Hills N of Campus of Cal Poly, Pomona.; San Dimas Quad
    RSA0042664RSASonchus oleraceusHarold L. Piries.n.1964-1-15 Los AngelesOn Pierce college campus. Pine Hill.
    RSA0045285RSASonchus oleraceusVirginia Guthrie151983-5-07 San DiegoIn University City on the southwest corner of Genesee Ave. and La Jolla Village Dr.
    RSA0045288RSASonchus oleraceusRegina Allens.n.1983-5-24 Los AngelesEvey Canon in San Gabriel Mts. 1 mi. north of San Antonio Dam off Mt. Baldy Rd. [County incorrectly listed as San Bernardino]
    RSA0047594RSASonchus oleraceusDuncan S. Bell63402014-3-28 San BernardinoGranite Mountains; to the east of Apple Valley, approximately 3.5 air miles northwest of Rabbit Dry Lake, and about 1 air mile south of Amaral Spring.; Fairview Valley Quad.
    RSA0054193RSASonchus oleraceusRichard G. Swinney123412010-4-23 Los AngelesSan Gabriel Moutains; lower Loop Canon, 0.2-0.6 miles upstream from Verterans Park, below US Forest Sercive boundary.; San Fernando 7.5'
    RSA0058909RSASonchus oleraceusLeRoy Gross73722015-5-6 VenturaUSC/Best Property; Off Pyle Road, south of Highway 126. Almost halfway between Santa Paula and Fillmore.
    RSA0058910RSASonchus oleraceusLeRoy Gross73712015-5-6 VenturaUSC/Best Property; Off Pyle Road, south of Highway 126. Almost halfway between Santa Paula and Fillmore.
    RSA0060392RSASonchus oleraceusJon P. Rebman283142014-5-8 San DiegoCanon: Training Area India: eastern portion of Base; along the Santa Margarita River just southwest of the De Luz Road crossing.
    RSA0060873RSASonchus oleraceusR. G. Swinney132142010-6-8 Los AngelesPlacerita Canon Natural Area, east entrance (Walker Ranch) from Placerita Cyn. Rd. to canyon bottom and 0.2 miles to the west along Placerita Canon Trail.; Mint Canon 7.5′ Q.
    RSA0064014RSASonchus oleraceusLeRoy Gross72132015-4-29 VenturaThe Nature Conservancy.Bunn-Birrell Property; Survey the river bed at junction of S. Mountain Road and Converse Road. Southwest area of Santa Paula.; Santa Paula 7.5 Quad.
    RSA0065248RSASonchus oleraceusLeRoy Gross68742015-3-26 VenturaThe Nature ConservancyVilleneuva property; Along the River and lower part of South Mountain, east of river. Started at the end of Mission Rock Road. Between Saticoy and Santa Paula.; Santa Paula 7.5 Quad.
    RSA0065948RSASonchus oleraceusLeRoy Gross67312015-3-17 VenturaThe Nature ConservancyOrmond Beach at end of McWane Blvd., west of Arcturus Ave. South of Port Hueneme, Oxnard.
    RSA0065996RSASonchus oleraceusMary A. Hawke1122008-3-5 San DiegoDehesa; Fish & Wildlife Refuge; 0.18 mi E of intersection Willow Glen Road and Dehesa Road; just N of Singing Hills Golf Course. Square Q14.
    RSA0066001RSASonchus oleraceusJeannie Gregory34292010-5-15 San DiegoRancho San Diego; US Fish & Wildlife Refuge; N side of San Miguel Mountain; W of Millar Ranch Road; 0.72 miles SW of junction with Highway 94 (Campo Road); E side of Sweetwater River. Square S13.
    RSA0069453RSASonchus oleraceusLeRoy Gross71402015-4-16 VenturaAflalo Property. Entered at east end of property, from the south side of the river bed, at end of San Cayetano Street. Fillmore.
    RSA0069876RSASonchus oleraceusR. G. Swinney120912010-3-24 Los AngelesLopez Canon above Pacoima, 1.7 miles west of Kagel Cyn. Road on west side of Lopez Canon Rd.; San Fernando 7.5' Q.
    RSA0069885RSASonchus oleraceusR. G. Swinney117512010-2-27 Los AngelesSunland, SE end of Hansen Dam Basin, Haines Canon Channel from the I-210 Fwy, north of Wentworth St., to 0.5 mi. to the west at the Big Tujunga Flood Plain; Sunland 7.5' Q.
    RSA0077094RSASonchus oleraceusR. G. Swinney122252010-4-15 Los AngelesLime Kiln Canon, 0.25-0.7 miles east of Pacoima Wash.; San Fernanado 7.5' Q.
    RSA0080653RSASonchus oleraceusR. G. Swinney130152010-5-29 Los AngelesMay Canon Truck Trail (FSRd. 3N54) crossing of W. Fork May Canon, north side of rd., c. 1.3 air miles NNW of road's entrance at Veterans Memorial Park in Sylmar.; San Fernando 7.5' Q.
    RSA0081323RSASonchus oleraceusR. G. Swinney119332010-3-16 Los AngelesConfluence of Little Tujunga Wash and Big Tujunga Wash at I-210 crossing, within 50 m on north and south sides of I-210.; Sunland 7.5' Q.
    RSA0085522RSASonchus oleraceusMeryl B. Dunkle74501940-3-21 Santa BarbaraEast slope, Santa Barbara Island.
    RSA0085549RSASonchus oleraceusR. G. Swinney123262010-4-21 Los AngelesPacoima, 0.4-0.6 miles north of Gavina Ave. in Pacoima Wash.; San Fernando 7.5' Q.
    RSA0088786RSASonchus oleraceusSteven A. Junak63731998-4-22 Santa BarbaraSan Miguel Island: SE side of Prince Island, upslope from nest boxes for auchlets.
    RSA0093419RSASonchus oleraceusBonnie C. Templeton16101931-7-06 AlamedaBerkeley.
    RSA0103585RSASonchus oleraceusNick Jensen32852015-3-21 KernAmargo Spring at the northern edge of Comanche Point. Tejon Hills.
    RSA0114808RSASonchus oleraceusRichard G. Swinney158952011-10-25 Los AngelesSan Gabriel Mountains: south end of Coldbrook Campground, along Coldbrook Cr., from 50 meters south to 100 meters north of Hwy 39.; Crystal Lake 7.5 Quad
    RSA0119941RSASonchus oleraceusR. G. Swinney166682014-5-27 Los AngelesSan Gabriel Mountains; Glendora, ridge between east and north forks of Hook Cyn., c. 400 m. south of Glendora Ridge Mtwy. on s.-facing slope at 15-40 % grade.; GlendoraC. 200 m. due n. of Church of the Open Door and n. and e. of Hook Cyn. debris basin.
    RSA0139692RSASonchus oleraceusNaomi Fraga54482015-5-27 VenturaThe Nature Conservancy (TNC). Totolcam I owned by The Nature Conservancy, Santa Clara River.; Oxnard
    RSA0139925RSASonchus oleraceusNaomi Fraga49692015-3-17 VenturaThe Nature Conservancy (TNC). Ormond Beach.; Oxnard 7.5' quad
    RSA0154196RSASonchus oleraceusJoy D. England19482017-7-11 San BernardinoSan Bernardino National Forest: eastern San Gabriel Mountains, Lower Lytle Creek Ridge, along Forest Road 3N31 just E of jct. with Rd 2N79.
    RSA0154635RSASonchus oleraceusJoy D. England18172017-5-31 San BernardinoSan Bernardino National Forest: Canon Canon ca. 1.3 air miles ESE of Ralston Peak, W of Interstate 15, below railroad track overpass.
    RSA0155084RSASonchus oleraceusSarah J. DeGroots.n.2017-3-14 San BernardinoSouthern Turtle Mountains, Turtle Mountains Wilderness: Horn Spring area, ca. 1.8 air miles south-southeast of Horn Peak. West of Vidal Junction, north of Highway 62, west of Highway 95.; Horn Spring 7.5'
    RSA0165150RSASonchus oleraceusEileen BerbeoAEB-OC-O2017-5-3 Los AngelesWithin Angeles National Forest. North of Lake View Terrace. Take Little Tujunga Canon Road north from 210 until making a right on Ebey Herreres Truck Trail. Head east until making a right on Oliver Canon to BP and L Road.
    RSA0165605RSASonchus oleraceusEileen BerbeoAEB-OC-042017-3-8 Los AngelesWithin Angeles National Forest. North of Lake View Terrace. Take Little Tujunga Canon Road north from 210 until making a right on Ebey Herreres Truck Trail. Head east until making a right on Oliver Canon to BP and L Road.Oliver Canon, restoration site, roadside.
    RSA0194410RSASonchus oleraceusKatherine S. Ferguson2212018-6-20 KernGrapevine Canon: above bank of stream 50 yards W of bridge on Ferguson property.
    RSA0196600RSASonchus oleraceusR. G. Swinney169672015-3-28 Los AngelesSan Gabriel Mountains: Glendora, Big Dalton Wilderness Park, Wren Cyn. on Wren-Meacham Trail, 0.2-0.4 mile east of Big Dalton Canon. Flood Control Channel.; Glendora 7.5
    RSA0346011RSASonchus oleraceusDuncan S. Bell45292013-3-17 ImperialColorado Desert; Western Colorado Desert region: Coyote Mountains; approximately 4.75 air miles north of the town of Ocotillo in Painted Gorge.; Painted Gorge 7.5' Q.
    RSA0346134RSASonchus oleraceusR. G. Swinney174842015-7-16 Los AngelesSan Gabriel Mountains: San Dimas Experimental Forest, Johnstone Peak summit. Glendora 7.5' Q.
    RSA100851RSASonchus oleraceusRoxana S. Ferris127291954-4-23 MarinNear Dillons Beach Post Office.
    RSA116801RSASonchus oleraceusW. R. Dudleys.n.1906-5-28 Santa ClaraCourt back of library, Stanford University. The Santa Cruz Mtn Peninsula.
    RSA118900RSASonchus oleraceusL. S. Rose570391957-3-23 San Francisco876 Francisco Street, N. slope of Russian Hill.
    RSA12389RSASonchus oleraceusC. B. Wolf56011934-4-11 Los AngelesBryant Ranch, east of Long Beach, 250 ft. northeast of junction of Hathaway, Los Altos and 8th Streets.
    RSA12404RSASonchus oleraceusC. B. Wolf56171934-4-11 Los AngelesBryant Ranch, E of Long Beach, 180 ft. east of center of sec. and 150 ft. south of line of SE1/4; T4S R1 W S27 SE/4
    RSA127810RSASonchus oleraceusP. H. Ravens.n.1959-9-18 Los AngelesWeed about plantings, campus of the University of California, West Los Angeles.
    RSA127961RSASonchus oleraceusH. J. Thompson143461959-6-04 Los AngelesPoint Dume.
    RSA128377RSASonchus oleraceusP. H. Raven22091950-6-03 San Mateoalong Millbrae Ave., Millbrae.
    RSA14284RSASonchus oleraceusDaniel Clevelands.n.1887-4-17 San Diego[Unspecified]
    RSA151208RSASonchus oleraceusP. H. Raven171391962-4-09 Los AngelesNear barracks, Wilson Cove, San Clemente Island
    RSA153015RSASonchus oleraceusChas. H. Quibells.n.1929-7-15 MontereyPacific Grove.
    RSA160432RSASonchus oleraceusJ. D. Olmsted3081959-3-23 Los AngelesBlanchard park on Pomona college campus by area catching runoff from sprinkling system-common weed.
    RSA167784RSASonchus oleraceusR. F. Thorne334561964-2-07 Los AngelesWeed at lower end of Pebbly Beach Canon at base of building, E end of Santa Catalina Island.
    RSA176778RSASonchus oleraceusJohn H. Thomas101121963-5-20 San MateoAno Nuevo Island, about 0.5 mile off shore and about 20 miles NW of Santa Cruz.
    RSA183319RSASonchus oleraceusP. H. Raven207051966-4-24 VenturaSan Nicolas Island, sandy slopes just above ocean, Seal Beach, northwest end of island
    RSA184147RSASonchus oleraceusI. L. Wiggins206681966-5-25 OrangeParkway along south side of Nutwood Lane, margin of CSCF campus, Fullerton.
    RSA18425RSASonchus oleraceusC. B. Wolf5831927-7-12 San FranciscoSan Francisco.
    RSA185754RSASonchus oleraceusJohn H. Thomas12751950-2-26 Santa CruzAlong coast at western end of Cliff Drive, Santa Cruz.
    RSA187956RSASonchus oleraceusR. F. Thorne36229-a1966-4-28 Los AngelesSanta Catalina Island: W-facing rocky bank near upper end Renton Mine road in Pebbly Beach Canon.
    RSA188044RSASonchus oleraceusR. F. Thorne358461966-4-05 Los AngelesSanta Catalina Island, Cottonwood Canon.
    RSA188045RSASonchus oleraceusR. F. Thorne357901966-4-04 Los AngelesSanta Catalina Island: Bird Rock, N of Isthmus Cove.
    RSA192182RSASonchus oleraceusE. W. Lathrop49141960-6-08 Riverside14 miles west of Murrieta.
    RSA199101RSASonchus oleraceusR. F. Thorne374951968-4-28 Santa BarbaraSanta Barbara Island, north-facing slope along path above Landing Cove
    RSA199123RSASonchus oleraceusR. F. Thorne375211968-4-27 Santa BarbaraSanta Barbara Island, lower part of Canon
    RSA199147RSASonchus oleraceusR. F. Thorne375561968-4-27 Santa BarbaraSanta Barbara Island. Graveyard Canon.
    RSA201918RSASonchus oleraceusRonald E. Foreman251996-2-8 Santa BarbaraSan Nicolas Island, on plateau above Sand Dune Canon, near Mesa top
    RSA209653RSASonchus oleraceusE. R. Blakley56301963-5-04 Santa BarbaraSanta Barbara Island. Mouth of Canon.
    RSA210536RSASonchus oleraceusJ. T. Howell425241967-5-31 TulareNear E line of vernal pool natural area in Valley Grassland, about 4.5 miles ENE of Pixley.
    RSA215968RSASonchus oleraceusJ. T. Howell326681957-6-16 San FranciscoThird and Davidson streets.
    RSA221546RSASonchus oleraceusArthur C. Gibson19181971-4-19 San BernardinoStoddard Canon, Angeles National Forest.
    RSA222979RSASonchus oleraceusGerald L. Benny4921971-5-24 San BernardinoDay Canon, San Bernardino National Forest.
    RSA223673RSASonchus oleraceusJ. T. Howell407671964-6-29 San Luis ObispoCambria.
    RSA223963RSASonchus oleraceusCherie L. Wetzel1501967-9-30 AlamedaAlong sandbag levee. Niles Canon and vicinity
    RSA226158RSASonchus oleraceusGary D. Cromwell6531971-5-14 Los AngelesMystic Canon, Angeles National Forest, San Gabriel Mts. 2 NE of Glendora.
    RSA232791RSASonchus oleraceusR. F. Thorne361171966-4-17 Los AngelesSan Clemente Island: near bottom of Box Canon NW of Horse Canon, SW of Thirst.
    RSA233546RSASonchus oleraceusR. F. Thorne421141972-6-29 San BernardinoSan Gabriel Mountains.
    RSA2342RSASonchus oleraceusJ. W. Blankinships.n.1923-4-18 LakeKelseyville.
    RSA234497RSASonchus oleraceusJames Henrickson49541970-7-24 Orange1.5 miles NW of Huntington Beach, along border of Bolsa Chica Salt Marsh at SW end of Huntington Beach Mesa.
    RSA234633RSASonchus oleraceusR. F. Thorne394081970-3-06 Los AngelesIndian Rock in Emerald Bay, Santa Catalina Island.
    RSA239470RSASonchus oleraceusE. R. Blakley40991961-4-22 Santa BarbaraSan Nicolas Island, Mesa south of the housing area
    RSA245275RSASonchus oleraceusBrad W. Klipfel2811973-8-17 HumboldtBig Lagoon Co. Park.
    RSA258370RSASonchus oleraceusC. W. Tilforth4661972-4-12 Los Angeles[Rancho Santa Ana Botanic Garden, Claremont.]
    RSA269894RSASonchus oleraceusB. A. Prigge11391973-6-15 San BernardinoClark Mountain Range, Pachalka Spring, 5.9 miles NW of Mt. Pass.
    RSA286943RSASonchus oleraceusR. F. Thorne488251977-4-28 Santa BarbaraSanta Rosa Island. Box Canon. SW of SE Anchorage
    RSA286945RSASonchus oleraceusR. F. Thorne48745-b1977-4-30 Santa BarbaraSanta Rosa Island, Canada Lobos, along weedy stream side
    RSA286993RSASonchus oleraceusR. F. Thorne489561977-4-28 Santa BarbaraSanta Rosa Island: E end, S of Beechers Bay, W of Southeast Anchorage
    RSA289121RSASonchus oleraceusR. M. Beauchamps.n.1978-6-29 Santa BarbaraSan Nicolas Island
    RSA300138RSASonchus oleraceusJ. T. Howell516301976-5-16 KernDelano.
    RSA302294RSASonchus oleraceusR. F. Thorne523481979-4-04 Santa BarbaraSan Nicolas Island; grassy plateau immediately south of airport terminal and hangers, east end of island
    RSA305474RSASonchus oleraceusR. F. Thorne525561979-4-25 Santa BarbaraSanta Cruz Island: Christi Canon E. of Christi Ranch.
    RSA306678RSASonchus oleraceusR. F. Thorne527021979-4-30 Santa BarbaraSan Miguel Island, found on uplands of the island
    RSA306785RSASonchus oleraceusR. F. Thorne527441979-5-01 Santa BarbaraSan Miguel Island, lake bed near airstrip on west side of island
    RSA306821RSASonchus oleraceusR. F. Thorne526521979-4-30 Santa BarbaraSan Miguel Island, above and west of Ranger Station i north-trending canyon
    RSA332433RSASonchus oleraceusR. F. Thorne583321984-5-04 Santa BarbaraSanta Cruz Island. Behind Prisoners'Harbor Camp.
    RSA3479RSASonchus oleraceusC. B. Wolf34221932-5-09 Los AngelesSanta Canon.
    RSA355914RSASonchus oleraceusR. F. Thorne473861975-9-04 Los AngelesSanta Catalina Island: Fisherman's Cove; campus of USC Marine Science Center.
    RSA35643RSASonchus oleraceusClara Mason Foxs.n.2012-5-19 MonoSilverado Canon. [Mono Co. or Orange Co.]
    RSA38980RSASonchus oleraceusE. A. Purer27101932-3-29 San DiegoSilver Strand.
    RSA430519RSASonchus oleraceusLyman Benson17961929-7-12 HumboldtWeott Ranger Station. S Fork Eel River.
    RSA474072RSASonchus oleraceusM. B. Dunkle72891939-4-06 Los AngelesMosquito Harbor, San Clemente Island.
    RSA474082RSASonchus oleraceusF. R. FosbergS-30021930-6-26 Los AngelesCulver Garden.
    RSA474083RSASonchus oleraceusF. R. FosbergS-31521930-7-07 Los AngelesAlamitos Bay
    RSA474091RSASonchus oleraceusMalcolm M. Rices.n.1924-4-17 Santa BarbaraIn front of State College. Waste lands in valleys.
    RSA474092RSASonchus oleraceusMalcolm M. Rices.n.1924-4-17 Santa BarbaraStrip in front of State College.
    RSA474096RSASonchus oleraceusGary D. Wallace15911979-4-03 VenturaSan Nicolas Island, level ground near Naval Airfield hangers
    RSA474099RSASonchus oleraceusDorothy G. Nichols61940-4-06 AlamedaKRE pond, foot of Ashby Avenue, Berkeley.
    RSA474100RSASonchus oleraceusM. B. Dunkle25111931-7-18 AlamedaStrawberry Canon, Berkeley; San Francisco Bay [region].
    RSA474101RSASonchus oleraceusM. B. Dunkle25121931-7-18 AlamedaStrawberry Canon, Berkeley
    RSA474102RSASonchus oleraceusRobin S. Collins2651973-5-15 Los AngelesAngeles National Forest; Trail Canon, into cyn. ca. 1/2 - 1 mi from beginning of pack trail.
    RSA474103RSASonchus oleraceusF. R. FosbergS-30011930-6-26 Los AngelesCulver Garden.
    RSA474104RSASonchus oleraceusM. B. Dunkle32961933-4-14 Los AngelesLong Beach.
    RSA474105RSASonchus oleraceusB. Gustafson21211981-3-18 Los AngelesBallona Wetlands, Area 3 Common weed throughout all 3 areas.
    RSA474106RSASonchus oleraceusF. R. FosbergS-29651930-6-23 Los AngelesDel Rey.
    RSA474107RSASonchus oleraceusM. B. Dunkle20131928-10-07 Los AngelesSanta Catalina Island. Descanso Canon.