CCH1:
Featuring California vascular plant data from the Consortium of California Herbaria and other sources
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Please cite data retrieved from this page:
Biodiversity data provided by the participants of the Consortium of California Herbaria (Accessed through CCH1 Data Portal, ucjeps.berkeley.edu/consortium/, 2022 August 07.

Literature Citation:
CCH1 Portal. 2022. Biodiversity data provided by the participants of the Consortium of California Herbaria (https://ucjeps.berkeley.edu/consortium/ Accessed on August 07).

Records are made available under the CCH Data Use Terms.

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


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    An accepted name was found==>Ceanothus oliganthus.
    Synonyms were NOT found.

    You searched for: Ceanothus oliganthus

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      F CCH1_AIDherbscientific namecoll. namecoll. num.formatted datecountylocality
    SD00056398SDCeanothus oliganthus var. orcuttiis.n. UnknownClaremont
    SD00056314SDCeanothus oliganthus var. orcuttiis.n.1978-9-06 San Diego[Locality determined by SDNHM] Kentwood in the Pines
    POM136662RSACeanothus oliganthus var. sorediatusA. A. Heller65571903-4-10 Santa CruzNear Glenwood.
    POM136666RSACeanothus oliganthus var. sorediatusA. A. Heller53791902-4-27 SolanoGates Canon, near Vacaville.
    UC58244UCJEPSCeanothus oliganthus var. sorediatusA. A. Heller65571903-4-10 Santa CruzNear Glenwood
    UC79844UCJEPSCeanothus oliganthus var. sorediatusA. A. Heller72931904-4-06 Santa Claraw Los Gatos; w of Los Gatos
    CSLA014490CSLACeanothus oliganthus var. oliganthusA. Brenholt1071967-4-08 San Diego50 feet off Highway 395, 7 miles west of Valley Center
    RSA714690RSACeanothus oliganthus var. oliganthusA. C. Sanders269452003-6-18 Los AngelesWestern Transverse Range: around large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canon.; Simi Valley East 7.5'
    SBBG170299SBBGCeanothus oliganthus var. oliganthusA. C. Sanders w/ M. A. Elvin269452003-6-18 Los AngelesNW of head of Sulphur Cyn, Santa Susana Mtns
    SBBG169214SBBGCeanothus oliganthus var. sorediatusA. C. Sanders w/ M. Misenhelter292652005-3-23 RiversideE slope of Squaw Mtn, Avenida Escala just above Avenida Caleta, N of Tenaja RdSanta Rosa Plateau
    POM136517RSACeanothus oliganthus var. sorediatusA. D. E. Elmer44791903-5-1 San MateoTowards San Mateo; Crystal Springs Lake.
    POM136319RSACeanothus oliganthus var. sorediatusA. D. E. Elmers.n.1903-6-1 Santa ClaraLoma Prieta Peak.
    UC311385UCJEPSCeanothus oliganthus var. sorediatusA. D. E. Elmer42521903-6-01 Santa ClaraLoma Prieta Peak
    UC229952UCJEPSCeanothus oliganthus var. oliganthusA. D. E. Elmer37761902-5-01 Santa BarbaraSanta Barbara
    UC311387UCJEPSCeanothus oliganthus var. sorediatusA. D. E. Elmer44791903-5-01 San MateoPortola
    RSA122359RSACeanothus oliganthus var. sorediatusA. D. Gifford8311937-6-09 San Luis Obispo5.5 miles NE of Pozo.
    UC1071156UCJEPSCeanothus oliganthus var. oliganthusA. D. Gifford401934-4-02 Ventura1.5 mi n Hutton Peak; Piru quad.
    UC1071148UCJEPSCeanothus oliganthus var. oliganthusA. D. Gifford161B1934-3-21 VenturaReasoner Canon Piru quad., Santa Barbara National Forest
    UC573190UCJEPSCeanothus oliganthus var. sorediatusA. D. Gifford8311937-6-09 San Luis Obispo5.5 mi ne Pozo; Pozo quad.
    UC1070902UCJEPSCeanothus oliganthus var. oliganthusA. D. Gifford1661934-4-25 Los Angeles1/2 mi ne Castro Pk.; Triunfo Pass quad.
    UC1070908UCJEPSCeanothus oliganthus var. oliganthusA. D. Gifford6761935-5-08 Los Angeles2 mi ne Whitaker Peak; Tejon quad., Angeles National Forest
    UC1070907UCJEPSCeanothus oliganthus var. oliganthusA. D. Gifford4481935-3-15 Los Angeles2 mi ene Whitaker Peak; Tejon quad., Angeles National Forest
    RSA122358RSACeanothus oliganthus var. sorediatusA. E. Wieslander5321935-2-24 San Luis ObispoDavis Canon, Port San Luis Obispo.
    RSA122361RSACeanothus oliganthus var. sorediatusA. E. Wieslander69071934-4-27 San Luis ObispoHi. Mtn, Pozo.
    UC1070567UCJEPSCeanothus oliganthus var. sorediatusA. E. Wieslander6411936-5-02 San Luis Obispohead of McGinnis Creek La Panza Range
    UC1071175UCJEPSCeanothus oliganthus var. oliganthusA. E. Wieslander1771931-4-08 San DiegoN Slope Boucher Mountain Ramona quad.
    UC569707UCJEPSCeanothus oliganthusA. E. Wieslander4331934-3-21 Venturaone mile northeast of Oat Mountain
    UC1071152UCJEPSCeanothus oliganthus var. oliganthusA. E. Wieslander4321934-3-21 Ventura1 mi ne Oat Mt.; Piru quad., Santa Barbara National Forest
    UC1071329UCJEPSCeanothus oliganthus var. sorediatusA. E. Wieslander1891931-3-12 Mendocino14 mi n Willets; Willets quad.
    UC1071180UCJEPSCeanothus oliganthus var. oliganthusA. E. Wieslander511929-3-29 San DiegoLakeside Rd Ramona quad.
    UC1071312UCJEPSCeanothus oliganthus var. sorediatusA. E. Wieslander2631932-3-24 San Luis ObispoNear summit e of Pozo Pozo quad.
    UC1071150UCJEPSCeanothus oliganthus var. oliganthusA. E. Wieslander4331934-3-21 Ventura1 mi ne Oat Mt.; Piru quad., Santa Barbara National Forest
    UC1071178UCJEPSCeanothus oliganthus var. oliganthusA. E. Wieslander68901934-3-26 San DiegoPovery Gulch Cuyamaca quad.
    UC1070906UCJEPSCeanothus oliganthus var. oliganthusA. E. Wieslander571929-4-04 San BernardinoMouth of Mill Creek Redlands quad.
    UC569695UCJEPSCeanothus oliganthus var. sorediatusA. E. Wieslander5321935-2-24 San Luis ObispoDavis Canon Port San Luis quad.
    UC569847UCJEPSCeanothus oliganthus var. sorediatusA. E. Wieslander4611934-4-27 San Luis ObispoHi Mountain Pozo quad.
    UC1071176UCJEPSCeanothus oliganthus var. oliganthusA. E. Wieslander1761931-4-08 San DiegoBoucher Hill Ramona quad.
    UC1071310UCJEPSCeanothus oliganthus var. sorediatusA. E. Wieslander1901931-3-12 Mendocino14 mi n Willets; Willets quad.
    UC75395UCJEPSCeanothus oliganthus var. sorediatusA. Eastwood31741903-5-03 MarinMt. Tamalpais
    UC144496UCJEPSCeanothus oliganthus var. sorediatusA. Eastwood40031903-6-01 MarinMt. Tamalpais
    RSA0035048RSACeanothus oliganthusA. F. Howlands.n.1931-4-02 VenturaSespe Creek.
    LA00635496LACeanothus oliganthus var. orcuttiiA. F. Howlands.n.1931-4-02 VenturaSespe Creek
    SBBG168336SBBGCeanothus oliganthus var. oliganthusA. F. Howland, M. Darsie1931-4-02 VenturaVentura County [locality not specified]
    UC520250UCJEPSCeanothus oliganthus var. oliganthusA. F. Howland, Marvin Darsie1931-4-01 VenturaSespe Creek
    SBBG167230SBBGCeanothus oliganthus var. oliganthusA. Griffith44991962-11-15 Los AngelesChantry Flat, Big Santa Anita Cyn
    UC18375UCJEPSCeanothus oliganthus var. oliganthusA. J. McClatchie191893-4-01 Los AngelesCanon near Pasadena
    UC1071149UCJEPSCeanothus oliganthus var. oliganthusA. Lewis4131934-5-01 OrangeTrabucu Canon Elsinore quad., Cleveland National Forest
    UC1070901UCJEPSCeanothus oliganthus var. oliganthusA. Lewis4121934-5-01 RiversideTrabuco Canon Elsinore quad., Cleveland Nat. For.
    UC1070898UCJEPSCeanothus oliganthus var. oliganthusA. Lewis3201934-3-01 RiversideBedford Canon Corona quad., Cleveland Nat. For.
    UC1071163UCJEPSCeanothus oliganthus var. oliganthusA. Lewis1934-2-01 Los AngelesPacoima Canon San Fernando quad., Angeles National Forest
    UC1070911UCJEPSCeanothus oliganthus var. oliganthusA. Lewis2131933-6-01 Los AngelesPacoima Canon San Fernando quad., Angeles Nat. For.
    SBBG168345SBBGCeanothus oliganthus var. oliganthusA. Padgett31984-2-04 Santa BarbaraSanta Ynez Mtns: E side of Mission Crk, near intersection of Jesusita and Tunnel Trails
    RSA122436RSACeanothus oliganthusA. Simontacchi631935-6-04 Ventura1.75 N.E. of the Pothole.; Tenjon
    UC567232UCJEPSCeanothus oliganthus var. oliganthusA. Simontacchi631935-6-04 Ventura1.75 mi ne The Pothole; Tejon quad.
    UC1070913UCJEPSCeanothus oliganthus var. oliganthusA. Simontacchi1271935-6-19 Ventura0.3 mi ne Sulphur Peak; Tejon quad., Santa Barbara Nat. For.
    CAS-BOT51490CASCeanothus oliganthusA., L. R.43031909-8-27 Santa BarbaraLa Cumbre Trail, Santa Ynez Mts.
    IRVC26156IRVCCeanothus oliganthus var. oliganthusA.C. Sanders269452003-6-18 Los Angelesaround large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canon
    UCR0040809UCRCeanothus oliganthus var. oliganthusA.C. Sanders269452003-6-18 Los Angelesaround large sandstone monolith (visible for miles) along private crest road, NW of head of Sulphur Canon
    UCR0040990UCRCeanothus oliganthus var. sorediatusA.C. Sanders292652005-3-23 RiversideSanta Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, north of Tenaja Rd.
    LA45333LACeanothus oliganthusA.M. Johnson43431934-3-16 Los AngelesSimi Hills; Johnson's Ranch beyond Chatsworth
    LA43645LACeanothus oliganthusA.M. Johnson43431934-3-16 Los AngelesSimi Hills; Johnson's Ranch beyond Chatsworth
    OBI124259OBICeanothus oliganthus var. sorediatusAart C.deVos671963-4-20 San Luis ObispoCuesta Ridge
    CAS-BOT51491CASCeanothus oliganthusAbrams, L. R.s.n.1909-3-6 Santa BarbaraMission Canyon, Santa Barbara type locality
    CAS-BOT50454CASCeanothus oliganthusAbrams, L. R.50141913-7-18 Los AngelesRussel's Lake
    CAS-BOT50485CASCeanothus oliganthusAbrams, L. R.s.n.1906-7-19 Los AngelesMount Wilson Trail
    CAS-BOT50461CASCeanothus oliganthusAbrams, Le Roy15041901-4-13 Los AngelesSierra Madre Mts., Wilson's Trail
    CAS-BOT50498CASCeanothus oliganthusAbrams, Le Roy2921899-3-11 Los AngelesMillards Canyon
    CAS-BOT63570CASCeanothus oliganthusAbrams, LeRoy39651903-7-1 San DiegoBetween Julian and Cuyamaca.
    DAV319672DAVCeanothus oliganthus var. sorediatusAdeline Fredericks.n.1925-2-25 AlamedaAlameda County: Claremont Canon, Berkeley. Above Garber Pk.
    UCR0040843UCRCeanothus oliganthus var. orcuttiiAl Purchase9791941-4-25 San DiegoBarona Reservation [south of Ramona]
    RSA399743RSACeanothus oliganthus var. oliganthusAlbert J. Perkinss.n.1914-3-01 Los AngelesSanta Anita Canon.
    RSA398928RSACeanothus oliganthus var. sorediatusAlbert J. Perkinss.n.1895-4-27 SolanoRoadside Yosemite Valley.
    RSA398926RSACeanothus oliganthus var. sorediatusAlbert J. Perkinss.n.1918-5-25 OrangeSantiago Peak.
    RSA399740RSACeanothus oliganthus var. oliganthusAlbert J. Perkinss.n.1928-4-08 Los AngelesBear Canon, Sierra Madre Mts.
    RSA398924RSACeanothus oliganthus var. sorediatusAlbert J. Perkinss.n.1920-5-04 San Luis ObispoPaso Robles, Perkins Ranch.
    RSA399742RSACeanothus oliganthus var. oliganthusAlbert J. Perkinss.n.1920-3-20 Los AngelesSan Gabriel Mts. Millards Canon.
    UCR0040991UCRCeanothus oliganthus var. sorediatusAlbert J. Perkinss.n.1920-5-04 San Luis ObispoPaso Robles, outside the Perkins ranch
    POM14773RSACeanothus oliganthusAlice Eastwood49461916-4-12 VenturaNordhoff.
    POM136261RSACeanothus oliganthus var. sorediatusAlice Eastwood31741903-5-03 MarinMt. Tamalpais.
    UC125867UCJEPSCeanothus oliganthus var. oliganthusAlice Eastwood1908-5-16 Santa BarbaraMission Canon
    UC18324UCJEPSCeanothus oliganthus var. sorediatusAlice Eastwood1896-4-01 MarinLake Lagunitas
    UC125869UCJEPSCeanothus oliganthus var. sorediatusAlice Eastwood701908-5-09 Santa BarbaraNear type locality Painted Cave Ranch
    HSC85449HSCCeanothus oliganthus var. sorediatusAndrew Buchanan1061986-6-06 TrinityS Fork Rd.
    SD00056409SDCeanothus oliganthus var. sorediatusAndy C. Sanders292652005-3-23 RiversideSanta Ana Mtns.: Santa Rosa Plateau, east slope of Squaw Mtn., Av. Escala just above Av. Caleta, N of Tenaja Rd.
    RSA398828RSACeanothus oliganthus var. oliganthusAnstruther Davidson17431896-4-1 Los Angeles2/3 way up Wilson Trail; Wilson's Peak.
    RSA399733RSACeanothus oliganthusAnstruther Davidsons.n.1890-4-10 Los AngelesCahuenga Pass.
    RSA399737RSACeanothus oliganthusAnstruther Davidsons.n.1900-6-1 Los AngelesMalibu Canon.
    RSA399732RSACeanothus oliganthus var. oliganthusAnstruther Davidsons.n.1993-4-30 Los AngelesSan Gabriel Mountains.
    RSA398912RSACeanothus oliganthusAnstruther Davidson34061921-4-01 RiversideBanning.
    CAS-BOT63599CASCeanothus oliganthusApplegate, Elmer I.53221928-2-29 VenturaOn w. side of Ojia Valley.
    UCR0040854UCRCeanothus oliganthusArt Dawsons.n.1968-4-11 VenturaOjai Road, 10 miles east of Ojai [between Summit School and Sulphur Springs]
    UCR0040827UCRCeanothus oliganthusArt Whistlers.n.1965-3-27 Los Angelesfire road through a canyon about 0.5 mile west of Chatsworth Reservoir in Chatsworth
    LA201541LACeanothus oliganthus var. oliganthusArthur C. Gibson48902001-4-8 Los AngelesSimi Hills; Chatsworth; Santa Susana fire road at NE-most Simi Hills
    LA202403LACeanothus oliganthus var. oliganthusArthur C. Gibson48882001-5-18 Los AngelesSanta Monica Mountains; Rocky Oaks National Recreation Area; near Mulholland and Malibu Canon Rd
    RSA233365RSACeanothus oliganthus var. oliganthusArthur C. Gibson27931972-3-18 Los AngelesFish Canon, San Gabriel Mountains.
    JROH3528JROHCeanothus oliganthus var. sorediatusArthur Spiegler121952-4-12 San MateoJasper Ridge Biological Preserve, Stanford University
    CDA0017683CDACeanothus oliganthus var. sorediatusAustin Griffithss.n.1985-3-17 San Luis ObispoArroyo de la Cruz, ca. halfway on N side.
    OBI124264OBICeanothus oliganthus var. sorediatusAustin P. Griffithss.n.1985-3-17 San Luis ObispoArroyo de la Cruz
    RSA277960RSACeanothus oliganthus var. oliganthusAustin P. Griffiths44991962-11-05 Los AngelesChantry Flat, Big Santa Anita Canon, N. of Arcadia, San Gabriel Mts.
    UC700976UCJEPSCeanothus oliganthus var. oliganthusAven, Ruth Nelson32801939-3-27 San Diegonear Julian (Banner Grade)
    UC724355UCJEPSCeanothus oliganthus var. oliganthusAven, Ruth Nelson32801939-3-27 San DiegoBorder of the highway (no.99)[sic] Banner grade, near Julian
    DAV319631DAVCeanothus oliganthusAyzik Solomeshchs.n.2008-4-20 NapaNapa County: North side of Pope Canon Road, ca. 2 km west of intersection with Berryessa-Knoxville Road
    UC1071335UCJEPSCeanothus oliganthus var. sorediatusB. Bolt6411936-3-22 San Luis Obispo1 mi sw Cuesta Pass; San Luis Obispo quad.
    UC1071331UCJEPSCeanothus oliganthus var. sorediatusB. Bolt6601936-4-10 San Luis Obispo2 mi ne Mouth of Smith Creek; Cayucos quad.
    SBBG168338SBBGCeanothus oliganthus var. oliganthusB. Clark1011938-6-13 Santa BarbaraSanta Ynez Mtns: head of Mission Cyn
    AHUC102239DAVCeanothus oliganthusB. Crampton381941-3-14 AlamedaAlameda County: Berkeley Hills, behind the hotel Claremont.
    AHUC102493DAVCeanothus oliganthus var. sorediatusB. Cramptons.n.1957-4-15 NapaNapa County: Martley Canon, Vaca Mountains.
    AHUC102225DAVCeanothus oliganthus var. sorediatusB. Crampton13051953-5-19 NapaNapa County: 12 miles east of Rutherford, Hwy. 128.
    RSA1125RSACeanothus oliganthus var. sorediatusB. D. Stark5781929-7-19 AlamedaStrawberry Canon, Berkeley
    RSA1141RSACeanothus oliganthusB. D. Stark16381930-7-03 San DiegoOld Banner Grade.
    UC369006UCJEPSCeanothus oliganthus var. sorediatusB. E., H. J. Miossi2281940-3-19 San Luis Obispo5.5 mi n San Luis Obispo (e facing slope of Cuesta Canon, along old Cuesta Grade.)
    OBI124274OBICeanothus oliganthus var. sorediatusB.A. Smith321966-4-14 San Luis ObispoCuesta Ridge 1 W of hwy 101 Cuesta Summit
    OBI158636OBICeanothus oliganthusB.C. Templeton45101929-5-05 San BernardinoSan Bernardino mountains, below Pinecrest.
    CAS-BOT50428CASCeanothus oliganthusBailey, Vernon O.s.n.1907-10-31 VenturaSanta Ynez Mts., La Cumbre Peak
    CAS-BOT63504CASCeanothus oliganthusBailey, Vernon O.s.n.1907-6-25 San DiegoBanner Grade.
    UC2062617UCJEPSCeanothus oliganthus var. oliganthusBarbara Ertter, Linda Vorobik178202002-4-6 Contra CostaSouth flank of Mount Diablo, west fork of Alamo Creek at end of spur road under powerlines.
    OBI124247OBICeanothus oliganthus var. oliganthusBarrett Anderson4901975-3-01 VenturaSespe Crk near Filmore
    LA103214LACeanothus oliganthusBarry A. Prigge64081985-6-14 Los AngelesSanta Monica Mountains; Cold Creek Canon; along trail from upper gate of Cold Creek Preserve to Murphy Ranch site
    LA105367LACeanothus oliganthusBarry A. Prigge84681989-4-23 Los AngelesSanta Susana Mountains; Devil Canon; 1.4 air miles NW of junction of Simi Valley Freeway and Topanga Canon Blvd
    UCSC100004858UCSCCeanothus oliganthus var. sorediatusBecky Hendrickss.n.2009-4-24 MontereyMid-section of Eagle Trail, Landels-Hill Big Creek Reserve
    AHUC102224DAVCeanothus oliganthus var. sorediatusBeecher Crampton47401958-4-22 NapaNapa County, Vaca Mountains, Markley Canon, Highway 128.
    AHUC102238DAVCeanothus oliganthusBeecher Crampton47811958-5-12 SolanoSolano County: Vaca Mountains, Gates Canon.
    AHUC102223DAVCeanothus oliganthus var. sorediatusBeecher Crampton49021958-6-04 AlamedaAlameda County, Berkeley Hills, Skyline Boulevard, between Round Top and Redwood Regional Parks.
    AHUC102226DAVCeanothus oliganthus var. sorediatusBeecher Crampton73981965-6-30 SolanoSolano County: Napa County line, summit of Mt. Vaca Vaca Mtns.
    AHUC102222DAVCeanothus oliganthus var. sorediatusBeecher Crampton85631970-4-15 NapaNapa County: North end of Capell Valley State Hwy. 128.
    UC615432UCJEPSCeanothus oliganthus var. sorediatusBeryl O. Schreiber401932-2-14 AlamedaStrawberry Canon Berkeley, Strawberry Canon
    UC615435UCJEPSCeanothus oliganthus var. sorediatusBeryl O. Schreiber10831934-4-01 San Luis Obisporoad to Santa Margarita from Pozo; road to Santa Margarita from Pozo
    SD00056345SDCeanothus oliganthus var. orcuttiiBill Knerrs.n.1987-3-28 San DiegoUpper Espinosa Creek Oak woodland with C. leucodermis and downstream from C. oliganthus.
    RSA656269RSACeanothus oliganthusBill McKinley51976-4-18 Los AngelesVerdugo Mountains: 10 yards west of intersection of Fire Roads 890 yards up Beaudry Fire Road west of Beaudry Blvd., vicinity Oakmont Country Club, Glendale.
    RSA0028427RSACeanothus oliganthusBob Cochranes.n.1948-5-02 Los AngelesFound two miles back of the San Dimas Dam. This specimen was found on the trail leading down to the stream.
    DAV319658DAVCeanothus oliganthus var. sorediatusBob Rodin551943-3-05 AlamedaAlameda County: West of Botanical Garden, Strawberry Canon, University of California Campus, Berkeley.
    UC685656UCJEPSCeanothus oliganthus var. sorediatusBob Rodin551943-3-05 Alamedaw Botanical Garden (Strawberry Canon); University of California Campus, Berkeley
    SBBG169235SBBGCeanothus oliganthus var. sorediatusBonnie C. Templeton5261931-3-30 Los AngelesSan Marino
    RSA398920RSACeanothus oliganthusBonnie C. Templetons.n.1953-7-25 San DiegoChariot canyon, South of Banner.
    SBBG191395SBBGCeanothus oliganthusBonnie C. Templeton45101929-5-05 San BernardinoSan Bernardino mountains, below Pinecrest
    RSA261712RSACeanothus oliganthusBrandegees.n.1889-5-1 Santa Barbara[Unspecified]
    RSA261710RSACeanothus oliganthus var. sorediatusBrandegees.n. MarinTamalpias.
    CAS-BOT51486CASCeanothus oliganthusBrandegee301889-6-1 Santa BarbaraSanta Barbara; Ridge north of Honda Valley, La Mesa, Santa Barbara
    CAS-BOT50488CASCeanothus oliganthusBrandegee311889-5-1 Los AngelesPasadena
    CAS-BOT63597CASCeanothus oliganthusBrandegee301889-6-1 Santa BarbaraSanta Barbara.
    CAS-BOT63571CASCeanothus oliganthusBrandegee321889-5-1 San DiegoSan Diego Mts.
    CAS-BOT63559CASCeanothus oliganthusBrandegee, T. S.s.n.1894-4-1 San DiegoRamona.
    CAS-BOT63573CASCeanothus oliganthusBrandegee, T. S.321894-4-1 San DiegoNuevo.
    CAS-BOT63572CASCeanothus oliganthusBrandegee, T. S.321894-4-1 San DiegoNuevo.
    DAV319628DAVCeanothus oliganthusBrandi Sorensen231995-6-01 PlacerPlacer County: .73 kilometers northwest of Colfax.
    CAS-BOT51481CASCeanothus oliganthusBreedlove, D. E.22951962-4-16 San Luis Obispo9.3 miles Southwest of Arroyo Seco Guard Station on road to Jolon; Santa Lucia Mountains
    CAS-BOT51482CASCeanothus oliganthusBreedlove, D. E.22951962-4-16 San Luis Obispo9.3 miles Southwest of Arroyo Seco Guard Station on road to Jolon; Santa Lucia Mountains
    RSA650466RSACeanothus oliganthusBrent Mishlers.n.1977-10-06 Los AngelesSan Gab. R. flood control area, Irwindale.
    UCSB016370UCSBCeanothus oliganthus subsp. oliganthusBrian C. Miller6111965-1-28 VenturaSespe River near diversion dam, Topatopa Mountains
    CSLA014481CSLACeanothus oliganthusBrian C. Miller1271962-4-24 Los Angeles10 N. of Castaic Hwy. 99
    CAS-BOT83756CASCeanothus oliganthusBurge, D. O.930b2007-5-17 San DiegoWildcat Canyon, at roadside on Muth Valley Road 0.4 road miles (0.7 km) W of Wildcat Canyon Road, 13.3 km 301 deg. (True) WNW of Alpine. GPS (WGS84).
    CAS-BOT83757CASCeanothus oliganthusBurge, D. O.; Wilken, D.878b2007-4-23 Santa BarbaraLos Padres National Forest, Santa Ynez Mountains at roadside on West Camino Cielo Road (NF 5N12), near beginning of access road for Santa Ynez Peak (VABM 4298), 12.5 im 139 deg. (True) SSE of Santa Ynez. GPS (WGS84).
    CAS-BOT83758CASCeanothus oliganthusBurge, D. O.; Wilken, D.864b2007-4-21 VenturaLos Padres National Forest roadside on Hwy 33, 0.19 miles (0.30 km) S of intersection with Rose Valley Road (NF 6N31), 9.51 km 1 deg. (True) N of Ojai. GPS (WGS84).
    UC18376UCJEPSCeanothus oliganthus var. oliganthusC. A. Purpus1898-5-01 San DiegoJulian
    UC527240UCJEPSCeanothus oliganthus var. oliganthusC. B. Wolf20161931-5-13 Venturaca 8 mi above Piru (slopes along Piru Creek, 1/4 mi above Ranger Station)
    UC191512UCJEPSCeanothus oliganthus var. sorediatusC. C. Parry1888-1-01 San FranciscoSan Francisco
    UC79843UCJEPSCeanothus oliganthus var. sorediatusC. C. Parry1889-1-01 Unknown
    SBBG168311SBBGCeanothus oliganthus var. orcuttiiC. Davidson55991977-5-18 OrangeCleveland National Forest; Pleasant Pk, (on county line)
    JEPS42113UCJEPSCeanothus oliganthusC. E. Hutchinson1892-7-20 Los AngelesSan Gabriel Mts., Mt. Wilson
    RSA613298RSACeanothus oliganthusC. Eplings.n.1935-6-26 San DiegoGuatay Mountain.
    RSA0035020RSACeanothus oliganthusC. Eplings.n.1932-3-31 San DiegoBarrett.
    RSA639385RSACeanothus oliganthus subsp. oliganthusC. Eplings.n.1934-9-1 San DiegoFlinn Springs
    UC440446UCJEPSCeanothus oliganthus var. oliganthusC. Epling, L. Ellison1929-4-14 VenturaLower Sespe Creek Santa Barbara National Forest
    UC870607UCJEPSCeanothus oliganthus var. oliganthusC. Epling, Wm. Robison1932-3-31 San DiegoBarrett
    POM136469RSACeanothus oliganthus var. sorediatusC. F. Baker5161902-4-12 Santa ClaraFoothills near Stanford University.
    POM136460RSACeanothus oliganthus var. sorediatusC. F. Baker8661902-5-15 Santa ClaraFoothills near Stanford University.
    UC75396UCJEPSCeanothus oliganthus var. sorediatusC. F. Baker5161902-4-12 Santa Clarafoothills near Stanford University
    LOB110796LOBCeanothus oliganthusC. Farnum30F1973-4-07 VenturaOne mi. S of Wheeler Springs on Calif. Hwy. 33.
    SFV112188SFVCeanothus oliganthusC. Fergusons. n.1972-3-09 Los AngelesSan Gabriel Mountains; Placerita Canon Natural Area.
    SFV112197SFVCeanothus oliganthus var. oliganthusC. Gassers. n.1956-3-30 Santa BarbaraSanta Ynez Mountains; Rattlesnake Canon. Hillside trail to Rattlesnake Creek.
    SD00056370SDCeanothus oliganthus var. orcuttiiC. I. Jerabeks.n.1945-7-01 Santa BarbaraSanta Barbara Botanic Garden
    POM163232RSACeanothus oliganthusC. L. Hitchcocks.n.1929-4-27 VenturaSespe Creek Canon.
    UC1071326UCJEPSCeanothus oliganthus var. sorediatusC. M. Belshaw16461936-3-19 San Luis Obispo0.5 mi ne Santa Manuela School; Nipomo quad.
    SBBG167216SBBGCeanothus oliganthus var. oliganthusC. Matt Guilliams38872018-3-12 Santa BarbaraJesusita Trail, near small tributary to main creek
    SBBG167209SBBGCeanothus oliganthus var. oliganthusC. Matt Guilliams49812018-8-1 Santa BarbaraAlong Mission Creek, ca. 200 m downstream from Tunnel Trail/Spyglass Ridge Road.
    SBBG167211SBBGCeanothus oliganthus var. oliganthusC. Matt Guilliams48892018-7-20 Santa BarbaraTunnel Trail, ca. 0.75 mi from upper trail head.
    SBBG167214SBBGCeanothus oliganthus var. oliganthusC. Matt Guilliams40202018-4-16 Santa BarbaraMission Falls along Tunnel Trail.
    SBBG167215SBBGCeanothus oliganthus var. oliganthusC. Matt Guilliams40032018-4-16 Santa BarbaraTunnel Trail to Gibraltar Road, starting at East Camino Cielo Trailhead. Along trail.
    SBBG167217SBBGCeanothus oliganthus var. oliganthusC. Matt Guilliams39542018-3-15 Santa BarbaraRattlesnake Trail.
    SBBG169207SBBGCeanothus oliganthus var. sorediatusC. Matt Guilliams47152018-6-15 Santa BarbaraAlong Buckhorn Road (Forest Rte 9N11), ca. 100 m South of Santa Cruz Jeepway (Forest 6N14).
    SBBG167212SBBGCeanothus oliganthus var. oliganthusC. Matt Guilliams49062018-7-20 Santa BarbaraIntersection of Tunnel Trail and Rattlesnake Connector Trail, ~1.5 mi from Gibraltar Road.
    SD00027398SDCeanothus oliganthus var. oliganthusC. Matt Guilliams49062018-7-20 Santa BarbaraLos Padres National Forest: Intersection of Tunnel Trail and Rattlesnake Connector Trail, ~1.5 mi from Gibraltar Road.
    UC1071339UCJEPSCeanothus oliganthus var. sorediatusC. R. Clar401929-8-01 Santa Cruz2 mi s Loma Prieta; New Almaden Quad., s of Loma Prieta
    UC1070909UCJEPSCeanothus oliganthus var. oliganthusC. R. Clar761930-2-10 Santa BarbaraHot Springs Canon Santa Ynez quad.
    UC1071332UCJEPSCeanothus oliganthus var. sorediatusC. R. Clar71928-11-06 San MateoLangley Hills Santa Cruz quad.
    UC1071319UCJEPSCeanothus oliganthus var. sorediatusC. R. Clar, T. Tyrell81928-11-06 Santa Claranear Plot #1 (Black Mt. Rd.); Santa Cruz Quad., near Plot #1 - Palo Alto
    RSA271844RSACeanothus oliganthus var. oliganthusC. W. Tilforth16731978-8-04 VenturaCa. 1 mi north of Wheeler Gorge Campground, Hwy 33 north of Ojai.
    RSA240606RSACeanothus oliganthus var. sorediatusC. W. Tilforth9421973-7-20 Monterey6.8 miles northeast of junction of Highway 1 Nacimiento-Ferguson Road, between Lucia and Jolon.
    LA43642LACeanothus oliganthusC.B. Wolf20161931-5-13 Venturaalong Piru Creek, 0.25 mi. above the Ranger Station, or ca 8 mi. above Piru
    SJSU56SJSUCeanothus oliganthus var. sorediatusC.D. Duncan1926-3-13 Santa ClaraCupertino
    SJSU10909SJSUCeanothus oliganthus var. sorediatusC.E. Lindquist1958-6-05 Santa ClaraSanta Isabella Valley E of Mt Hamilton, Mt Hamilton Range
    UC79841UCJEPSCeanothus oliganthus var. sorediatusC.F.B.8661902-5-15 Santa ClaraFoothills near Stanford University
    HSC18364HSCCeanothus oliganthusC.L. Hitchcock231091964-3-17 Riverside10 N of Pala, along road to Elsinore.
    HSC18365HSCCeanothus oliganthusC.L. Hitchcock231261964-3-18 San Diego6.2 mi. E of Julian along Hwy. 78
    SJSU14051SJSUCeanothus oliganthusC.L. Schmidt11711987-4-13 VenturaYerba Buena Rd 6 mi from coast, Santa Monica Mts
    SJSU1101SJSUCeanothus oliganthus var. sorediatusC.W. Sharsmith58441951-5-27 Santa ClaraW slope Santa Cruz Mts above Stevens Cr
    SD00056327SDCeanothus oliganthus var. orcuttiiCRES Native Seed Gene Bank7052011-7-15 San DiegoLakeside; El Canon Mountain, 0.6 mi E of junction Wildcat Canon Rd and Shenma Rd, 4 W of El Capitan Reservoir Dam, 1.8 mi S of Barona Casino
    SD00056328SDCeanothus oliganthus var. orcuttiiCRES Native Seed Gene Bank8242012-5-14 San DiegoJulian; I mi NW of junction of Banner Grade HWY 78 and California Riding and Hiking trail (Chariot Canon); 0.5 NE of junction of Panorama Dr. and Delores Dr.; 3 mi SE of S end of Volcan Rd.
    CLARK-A1528-3914CLARKCeanothus oliganthus var. orcuttiiCameron Duncan1966-3-13 San DiegoEscondido
    OBI124250OBICeanothus oliganthus var. orcuttiiCarl B. Wolf72341935-6-19 OrangeSanta Ana Mts, Main Divide Motorway jctn with Trabuco Cyn truck trl
    OBI124271OBICeanothus oliganthus var. sorediatusCarl B. Wolf109781941-7-11 San Luis ObispoSanta Lucia Range, 1/4 W of summit of Cuesta Grade
    OBI124282OBICeanothus oliganthus var. sorediatusCarl B. Wolf109811941-7-11 San Luis ObispoSouth Coast Range, La Panza range, 1/10 mi E of Summit of the Pozo - La Panza Grade (Calif hwy 178)
    OBI124284OBICeanothus oliganthus var. sorediatusCarl B. Wolf109911941-7-12 MontereySanta Lucia Mts, Nacimiento Summit Forest Service Camp, 8 mi inland from coast hwy 1 on Jolon Rd
    SBBG169211SBBGCeanothus oliganthus var. sorediatusCarl B. Wolf43941941-7-31 San Mateo1 mi E of summit of La Honda Grade, Santa Cruz Mtns
    RSA25861RSACeanothus oliganthusCarl B. Wolf111581941-8-15 OrangeAlong the Main Divide Motorway, just N. of head of Trabuco Truck Trail.
    RSA15409RSACeanothus oliganthus var. sorediatusCarl B. Wolf3081927-4-14 Santa Clara5 miles from Los Gatos, Skyline Drive, Santa Cruz Mts
    POM212381RSACeanothus oliganthusCarl B. Wolf20161931-5-13 VenturaPiru Creek, 1/4 mile above the Ranger Station, or about 8 miles above Piru.
    RSA25695RSACeanothus oliganthus var. sorediatusCarl B. Wolf109911941-7-12 MontereySanta Lucia Mts. Nacimiento summit forest service camp, 8 mi. inland from coast highway 1 on Jolon Rd.
    RSA3117RSACeanothus oliganthusCarl B. Wolf26461932-2-11 RiversideHidden Canon 5 W. of Corona at base of Santa Ana Mts.
    RSA25740RSACeanothus oliganthus var. oliganthusCarl B. Wolf111341941-8-02 Los AngelesRidge Route Road, 2.7 mi S of Frenchman Flats Forest Service Camp.
    RSA1711RSACeanothus oliganthusCarl B. Wolf20161931-5-13 VenturaSlopes along Piru Creek, 1/4 mile above the Ranger Station, or about 8 miles above Piru.
    RSA25826RSACeanothus oliganthusCarl B. Wolf109551941-7-02 VenturaAlong the North Fork of the Ventura River. 1 mi. above Wheeler Hot Spg.
    RSA25689RSACeanothus oliganthus var. sorediatusCarl B. Wolf109781941-7-11 San Luis ObispoSanta Lucia Range, 1/4 miles NW of summit of Cuesta Grade.
    RSA25850RSACeanothus oliganthusCarl B. Wolf111571941-8-15 OrangeAlong the Main Divide Motorway, just N. of head of Trabuco Truck Trail.
    RSA25844RSACeanothus oliganthusCarl B. Wolf111481941-8-13 San DiegoDesert slopes, Banner Grade; 3 N. E. of below Julian.
    RSA15717RSACeanothus oliganthus var. sorediatusCarl B. Wolf34631929-4-13 San Luis ObispoNorth base of Cuesta Grade.
    RSA15203RSACeanothus oliganthus var. sorediatusCarl B. Wolfs.n.1926-10-19 San MateoNear La Honda. Santa Cruz Mts.
    RSA25694RSACeanothus oliganthus var. sorediatusCarl B. Wolf109921941-7-12 MontereySanta Lucia Mts. Nacimiento summit forest service camp, 8 mi. inland from coast highway 1 on Jolon Rd.
    RSA12928RSACeanothus oliganthusCarl B. Wolf63181935-4-07 OrangeSan Juan Canon, Ortega Hwy, 2 miles east Orange County.
    RSA25834RSACeanothus oliganthus var. sorediatusCarl B. Wolf110261941-7-18 LakeInner N Coast Range, 6 miles E of lower Lake on the road to Reiff and Knoxville.
    POM301652RSACeanothus oliganthus var. sorediatusCarl B. Wolf111131941-7-31 San MateoSanta Cruz Mts, 1 miles E of summit of La Honda Grade.
    UCR0040856UCRCeanothus oliganthusCarl B. Wolf020161931-5-13 VenturaAlong Piru Creek, 0.25 mile above the ranger station, or about 8 miles above Piru
    UC870664UCJEPSCeanothus oliganthus var. oliganthusCarl B. Wolf49551933-5-25 El DoradoW. slope Sierra Nevada. 1 1/2 mi. from Rescue on road to Placerville.
    UC774510UCJEPSCeanothus oliganthus var. sorediatusCarl B. Wolf111131941-7-31 San Mateo1 mi e summit La Honda Grade; Santa Cruz Mts., summit of La Honda Grade
    UC774551UCJEPSCeanothus oliganthus var. sorediatusCarl B. Wolf109781941-7-11 San Luis Obispo1/4 mi nw of summit Cuesta Grade; Santa Lucia Range, nw of summit of Cuesta Grade
    UC774471UCJEPSCeanothus oliganthus var. sorediatusCarl B. Wolf109911941-7-12 Montereyon Jolon Rd. 8 mi inland from Coast Highway #1 Nacimiento Summit Forest Service Camp); Santa Lucia Mts., Nacimiento Summit Forest Service Camp
    LA45332LACeanothus oliganthusCarl Eplings.n.1926-4-10 Los AngelesSimi Hills - Santa Susana Mountains; Santa Susana Pass
    LA52229LACeanothus oliganthusCarl Eplings.n.1933-4-1 VenturaSanta Monica Mountains; Boney Ridge
    LA44930LACeanothus oliganthus var. sorediatusCarl Epling51161921-2-05 AlamedaOakland
    LA00635491LACeanothus oliganthusCarl Eplings.n.1932-3-31 San DiegoPeninsular Ranges; Barrett Dam
    LA00635494LACeanothus oliganthusCarl Eplings.n.1929-4-14 VenturaSanta Barbara National Forest; Lower Sespe Creek
    UC574961UCJEPSCeanothus oliganthus var. oliganthusCarl Epling, R. Fowler, K. Kneen1933-4-01 Los AngelesBoney Ridge Santa Monica Mts.
    SBBG114072SBBGCeanothus oliganthus var. oliganthusCarol Bornstein2001-4-24 VenturaYerba Buena Rd, 9 mi E of jct with St Hwy 1; Santa Monica Mtns
    SBBG169228SBBGCeanothus oliganthus var. sorediatusCarol Bornstein, E. Collins1996-4-05 Santa BarbaraSanta Ynez Mtns: Tequepis Cyn Trail about 0.75 mi from trailhead
    SBBG167220SBBGCeanothus oliganthus var. oliganthusCarol Bornstein, E. Collins1992-4-14 San DiegoOtay Mtn Rd from Thousand Trails Camp
    SBBG169237SBBGCeanothus oliganthus var. sorediatusCarol Bornstein, E. Collins2003-6-18 San DiegoQuesthaven Rd, 2.4 W of jct with Harmony Rd
    SBBG168321SBBGCeanothus oliganthus var. sorediatusCarol Bornstein, E. Collins1992-4-14 San DiegoOtay Mtn Rd from Thousand Trails Camp
    UCSC1355UCSCCeanothus oliganthus var. sorediatusCharisse Bickfords.n.1979-5-19 Montereyalong Skinner Ridge trail, in Foothill, Woodland, 1 mile from Turner Creek camp. Skinner Ridge trail, Foothill, Woodland, Turner Creek camp - Los Padres Nat'l Forest
    UC1540410UCJEPSCeanothus oliganthusCharles B. Fiker33781946-4-10 San DiegoRainbow Valley, across highway from Bell Ranch.
    UC1614495UCJEPSCeanothus oliganthus var. sorediatusCharles M. Belshaw3401935-2-22 Alamedanear junction of Engineers rd. and Skyline ridge Strawberry Canon; Berkeley, Strawberry Canon
    UC1614194UCJEPSCeanothus oliganthus var. sorediatusCharles M. Belshaw7331935-5-24 AlamedaBerekely, Strawberry Canon
    UC1614679UCJEPSCeanothus oliganthus var. sorediatusCharles M. Belshaw111a1934-5-01 Alamedanear San Leandro Reservoir; Oakland
    UC1539701UCJEPSCeanothus oliganthusChas. B. Fiker34041946-4-18 San DiegoFoot of Tomile Grade near Banner.
    RSA120489RSACeanothus oliganthus var. sorediatusChas. H. Quibell9691952-4-19 MontereyAt foot of long steep 800ft, ENE facing slope along Poloma Creek, 4 miles above Arroyo Seco which drains ENE into Salinas Valley 10 miles S of Soledad on Hwy 101 Sierra De Salinas crests at 3000-4000ft.4.5 miles NE nearest ridges in Santa Lucia Crest at 3000-4500ft, 3-4 miles W ENE facing slope carries very striking foothill woodland dense
    UC870653UCJEPSCeanothus oliganthus var. sorediatusChester Dudley1937-5-01 San Luis ObispoCuesta Pass
    RSA398910RSACeanothus oliganthus var. oliganthusChristopher Davidson55991977-5-18 OrangeSanta Ana Mts. Cleveland Nat. Forest. Pleasants Peak (on Orange-Riverside Co. line).
    RSA398927RSACeanothus oliganthus var. sorediatusChristopher Davidson21831973-5-28 ShastaOn dirt logging road off St Hwy 299, ca. 1 mi E of Buckhorn Summit.
    RSA399729RSACeanothus oliganthus var. oliganthusChristopher Davidson28721975-6-24 Los AngelesBig Tujunga Canon, ca. 5 NE of Sunland on rd 2N78 in a small side canyon running SW.
    UCSC100004856UCSCCeanothus oliganthus var. sorediatusChuck HaugenD. Styer 9292001-2-8 MontereyRestoration site 5/6 Mesa on segment K (Ford Ord Region L7)
    UCSC100004857UCSCCeanothus oliganthus var. sorediatusChuck HaugenD. Styer 9302001-2-8 MontereyRestoration site 5/6 Mesa on segment K (Ford Ord Region L7)
    SBBG167192SBBGCeanothus oliganthus var. sorediatusClare B. Hardham67491961-4-04 MontereyPine Cyn, Salinas
    SBBG110670SBBGCeanothus oliganthus var. sorediatusClare B. Hardham67491961-4-04 MontereyPine Cyn, S of Salinas
    SBBG168330SBBGCeanothus oliganthus var. sorediatusClare B. Hardham101571962-3-14 MontereyLos Padres National Forest; trail to Ventana Double Cone between Pat Springs and Porto Suelo
    SBBG169216SBBGCeanothus oliganthus var. sorediatusClare B. Hardham101691967-5-15 MontereyLos Padres National Forest; between Boucher's Gap [Bottchers Gap] and Ventana Double Cone
    SBBG167193SBBGCeanothus oliganthus var. sorediatusClare B. Hardham90111962-4-17 San Luis Obisporidge E of Creston
    RSA159995RSACeanothus oliganthus var. sorediatusClare B. Hardham67491961-4-04 MontereyPine Canon.
    RSA159991RSACeanothus oliganthus var. sorediatusClare B. Hardham90111962-4-17 San Luis ObispoCuesta Grade
    SBBG167887SBBGCeanothus oliganthus var. sorediatusClare B. Hardham67491961-4-04 MontereyPine Cyn, S of Salinas
    UCSB016362UCSBCeanothus oliganthusClark Cowan2521974-5-23 Santa Barbarabelow top ridge of burn near N. brush margin, 500 ft. above trail, 3/4 mi. on W. fork of Cold Springs Trail, Mountain Dr., Montecito
    UCSB016372UCSBCeanothus oliganthus subsp. oliganthusClark Cowan67 (12)1974-3-10 Santa Barbaranext to Rattlesnake Creek at the second crossing. Across from the rock face, SW slope, rocky soil. 3/4 mi. up Rattlesnake Trail
    UCR0040853UCRCeanothus oliganthusClark P. Cowan67(12)1974-3-10 Santa BarbaraRattlesnake Creek at the second crossing. 0.75 mi. up Rattlesnake Trail
    UCSB016341UCSBCeanothus oliganthusClifford Walker41954-3-02 Santa BarbaraIn Rattlesnake Canon at crossing of Las Canoas Rd. 2 W of Santa Barbara in the foothills of the Santa Ynez Mts
    OBI124254OBICeanothus oliganthus var. sorediatusClifton F. Smith4861944-2-05 Santa Barbaratunnel Portal picnic grounds, Mission Cyn, N of Santa Barbara, Santa Ynez Mts
    OBI124244OBICeanothus oliganthus var. oliganthusClifton F. Smith10671944-7-31 Santa BarbaraAlong Jesusita Trl, near summit in MIssion Cyn watershed, Santa Ynez Mts, Santa Barbara
    SBBG170301SBBGCeanothus oliganthus var. oliganthusClifton F. Smith4301944-1-08 Santa BarbaraSanta Ynez Mtns: caretaker's house at Tunnel Portal, Mission Cyn
    SBBG167196SBBGCeanothus oliganthus var. sorediatusClifton F. Smith4861944-2-05 Santa BarbaraTunnel picnic grounds, Mission Cyn
    SBBG169230SBBGCeanothus oliganthus var. sorediatusClifton F. Smith36011952-7-10 Santa BarbaraSmith Cyn, Miranda Pine Rd
    SBBG168351SBBGCeanothus oliganthus var. oliganthusClifton F. Smith5181944-3-03 Santa BarbaraMission Crk, Mission Cyn
    SBBG168343SBBGCeanothus oliganthus var. oliganthusClifton F. Smith5521944-3-06 Santa Barbaranear woodland of picnic grounds at Tunnel Portal, Mission Cyn
    SBBG169231SBBGCeanothus oliganthus var. sorediatusClifton F. Smith2761943-10-23 Santa BarbaraSanta Ynez Mtns: El Camino Cielo, near La Cumbre Peak
    SBBG167195SBBGCeanothus oliganthus var. sorediatusClifton F. Smith1181943-9-07 Santa BarbaraMission Crk, SE of jct of Mission Cyn Rd and Tunnel Rd
    SBBG169236SBBGCeanothus oliganthus var. sorediatusClifton F. Smith2971943-10-29 Santa BarbaraSanta Ynez Mtns: Los Padres National Forest Jesusita Trail N of picnic grounds at Tunnel Portal, Mission Cyn
    SBBG168337SBBGCeanothus oliganthus var. oliganthusClifton F. Smith6781944-4-03 Santa BarbaraSanta Ynez Mtns: Los Padres National Forest Tunnel Trail, Mission Cyn
    SBBG170304SBBGCeanothus oliganthus var. oliganthusClifton F. Smith10671944-7-31 Santa BarbaraSanta Ynez Mtns: Los Padres National Forest Jesusita Trail, near summit, Mission Cyn watershed
    SBBG170303SBBGCeanothus oliganthus var. oliganthusClifton F. Smith2991943-10-29 Santa Barbaranear picnic grounds at Tunnel Portal, Mission Cyn
    SBBG170302SBBGCeanothus oliganthus var. oliganthusClifton F. Smith3501943-10-30 Santa BarbaraSanta Ynez Mtns: El Camino Cielo near head of Tunnel Trail from Mission Cyn
    SBBG169229SBBGCeanothus oliganthus var. sorediatusClifton F. Smith36461952-7-10 Santa BarbaraMiranda Pine Rd from Pine Cyn Guard Station, in Smith Cyn area
    DAV319637DAVCeanothus oliganthusClifton F. Smith4861944-2-05 Santa BarbaraSanta Barbara County: Tunnel Picnic grounds, Mission Canon, S.B.
    DAV319638DAVCeanothus oliganthusClifton F. Smith5181944-3-03 Santa BarbaraSanta Barbara County: Along Mission Creek, Mission Canon, Santa Barbara.
    DAV319639DAVCeanothus oliganthusClifton F. Smith5521944-3-06 Santa BarbaraSanta Barbara County: At Tunnel Portal in Mission Canon, Santa Ynez Mountains north of Santa Barbara.
    DAV319659DAVCeanothus oliganthus var. sorediatusClifton F. Smith6781944-4-03 Santa BarbaraSanta Barbara County: On Tunnel trail, Mission Canon, Santa Barbara.
    SDSU10310SDSUCeanothus oliganthusCook, Lorenzo1932-4-01 Los AngelesArroyo Seco Canon.
    CAS-BOT50489CASCeanothus oliganthusCox, L. E.s.n.1908-3-31 Los AngelesLower slopes of Mt. Wilson
    UC635525UCJEPSCeanothus oliganthus var. sorediatusCurtis Ferris1531932-4-08 AlamedaStrawberry Canon Berkeley Hills, Strawberry Canon
    RSA399726RSACeanothus oliganthusD. A. YoungP-3821969-3-15 Los Angeles3 W of Chatsworth, CA S. of Hiway 118 on Santa Susana Rd. Southern Oak Wd.
    UC1071330UCJEPSCeanothus oliganthus var. sorediatusD. Axelrod6221936-8-05 Monterey1.25 mi se Sugarloaf Peak; San Juan Bautista quad.
    UC1071313UCJEPSCeanothus oliganthus var. sorediatusD. Axelrod1651935-4-05 Santa Barbara4 mi e Refugio Pass; Lompoc quad., Santa Barbara Nat. For.
    UC1071157UCJEPSCeanothus oliganthus var. oliganthusD. Axelrod1601935-4-04 Santa Barbara4 mi ne Refugio Pass; Lompoc quad.
    UC567216UCJEPSCeanothus oliganthus subsp. sorediatusD. Axelrod1601935-4-04 Santa Barbara4 miles northeast of Refugio Peak
    RSA285646RSACeanothus oliganthus var. oliganthusD. C. Michener40621982-7-21 VenturaAlong CA 33. 1.1 miles north of Wheeler Springs.
    RSA285656RSACeanothus oliganthus var. sorediatusD. C. Michener40731982-7-22 San Luis ObispoCuesta Ridge road 0.9 miles NW from jct with US 101.
    SBBG170291SBBGCeanothus oliganthus var. oliganthusD. C. Odion1671984-6-18 VenturaSanta Ynez Mtns: Los Padres National Forest; just SE of jct of Murietta and Matilija Crks
    POM250802RSACeanothus oliganthus var. sorediatusD. D. Keck43521936-4-08 Santa ClaraAlpine Creek Road, 5 miles W of Los Altos, E side Santa Cruz Mt.
    POM215787RSACeanothus oliganthus var. sorediatusD. D. Keck20421933-5-01 San Benito3.8 miles W of Hernandez (Laguna) on San Lorenzo Creek
    POM182687RSACeanothus oliganthus var. sorediatusD. D. Keck10111931-4-02 NapaFoot of Wooden Valley Grade, W base of Napa Range, 4.5 miles NE of Napa.
    RSA299227RSACeanothus oliganthus var. sorediatusD. E. Breedlove436601979-4-12 MontereyPiney Creek Wildlife Habitat Improvement Area, 2-3 miles S of Carmel Valley Arroyo Seco Road at a point 5 miles W of Arroyo Seco Road.
    SBBG168332SBBGCeanothus oliganthus var. sorediatusD. H. Wilken161742003-7-22 Humboldtnear Windy Nip Gap, Mattole Rd, 1.5 km SW of Cathy's Pk
    UCSC2574UCSCCeanothus oliganthus var. sorediatusD. J. Norman971968-4-10 Santa ClaraMount Hamilton, Isabel Valley Ranch -
    RSA618369RSACeanothus oliganthusD. L. Banks20591997-5-11 San DiegoNW Palomar Mountains, Agua Tibia Mountains: South of the Cleveland National Forest, approximately 3.3 ml east of the intersection of Gomez Truck Trail and Adams Drive, on the southside of the Gomez Truck, Trail.; Boucher HillApproximately 4.0 miles ESE of Pala.
    RSA618226RSACeanothus oliganthusD. L. Banks18921997-4-13 San DiegoNW Palomar Mountains, Agua Tibia Mountains: Cleveland National Forest, along the Cutca Road, in Cutca Valley. Approximately 0.4 miles outside the Wilderness boundary.; Vail LakeAt the junction of where Cutca Road crosses the drainages from the eastern face of Eagle Crag.
    RSA586047RSACeanothus oliganthus var. oliganthusD. L. Banks991995-3-16 RiversideNW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., E of the Dripping Springs Alcove, Arroyo Seco drainage.; Vail Lake
    RSA585810RSACeanothus oliganthus var. oliganthusD. L. Banks4371995-5-10 San DiegoNW Palomar Mountains; Agua Tibia Mountains; Cleveland National Forest, Agua Tibia Wilderness Area; E face of Agua Tibia Mtn., N of upper Arroyo Seco, W of the Cutca Valley, E of the Palomar-Magee Trail and Wildhorse Trail Junction.; Vail Lake
    SFV112201SFVCeanothus oliganthusD. L. Koutnik1411978-3-24 VenturaSanta Monica Mountains; West side of Westlake Blvd., south of Potrero Road along Lake Eleanor.
    DAV319636DAVCeanothus oliganthusD. O. Burge16782014-8-17 MarinMarin County: Crown Fire Road.
    DAV319632DAVCeanothus oliganthusD. O. Burge16892015-3-17 Los AngelesLos Angeles County: Newhall Pass.
    OBI124269OBICeanothus oliganthus var. sorediatusD. R. Miller394.1441994-3-30 San Luis ObispoPine Mt Region; Along road edge across from Hunter's pond, Tobacco drainage
    DAV319676DAVCeanothus oliganthus var. sorediatusD. Rhode161977-4-16 NapaChaparral, in hills alongside Monticello Dam Rd.
    SBBG168322SBBGCeanothus oliganthus var. sorediatusD. Wilken w/ E. Painter, M. Wetherwax162222005-4-4 MontereyLos Padres National Forest; above Redwood Spring, along Cone Pk Rd
    CDA0035583CDACeanothus oliganthus subsp. oliganthusD.G. Kelch94.0451994-3-11 San DiegoEast of Del Mar.
    CDA0009646CDACeanothus oliganthus var. sorediatusD.G. Kelch7.0692007-2-19 San Luis ObispoSerpentine canyon; along S side of Hwy 41, 10 km E of Hwy 1.
    CDA0029043CDACeanothus oliganthus var. sorediatusD.G. Kelch9.3422009-6-3 AlamedaHuckleberry Regional Preserve. S of parking lot.
    UCR0040849UCRCeanothus oliganthus subsp. oliganthusD.L. Banks00991995-3-16 RiversideCleveland National Forest, Agua Tibia Wilderness Area. N slope of Agua Tibia Mtn., east of Dripping Springs Alcove, Arroyo Seco drainage.
    HSC18379HSCCeanothus oliganthus var. sorediatusDWCsn1956-4-26 HumboldtN of Honeydew
    UCR0112045UCRCeanothus oliganthusDan S. Cooper514--092014-5-23 Los AngelesGriffith Park, upper Vista del Valle Rd. northeast of Mt. Hollywood
    DAV319640DAVCeanothus oliganthus var. oliganthusDaniel Potter7632015-3-14 NapaNapa County: Knoxville Wildlife Area, southwest of Zim Zim Falls trailhead.
    DAV319649DAVCeanothus oliganthus var. sorediatusDaphne K. Christopher1352003-4-11 SolanoNapa County: UC Davis, Stebbins Cold Canon Reserve. Main trail through canyon to old homesite foundation.
    SD00056396SDCeanothus oliganthus var. orcuttiiDarin L. Banks991995-3-16 RiversideCleveland National Forest, Agua Tibia Wilderness Area. N slope ofAgua Tibia Mtn., E of the Dripping Springs alcove, Arroyo Seco drainage.
    SD00056366SDCeanothus oliganthus var. orcuttiiDarin L. Banks4371995-5-10 San DiegoCleveland National Forest, Agua Tibia Wilderness Area, E face of Agua Tibia Mtn., N of upper Arroyo Seco, W of the Cutca Valley, E of the Palomar-Magee Trail and Wildhorse Trail Junction. In chaparral
    SD00056373SDCeanothus oliganthus var. orcuttiiDarin L. Banks18921997-4-13 San DiegoCleveland National Forest, along the Cutca Road, in Cutca Valley; approximately 0.4 miles outside the Wilderness boundary, at the junction of where Cutca Road crosses the drainages from the eastern face of Eagle Crag
    SD00056357SDCeanothus oliganthus var. orcuttiiDarin L. Banks20591997-5-11 San DiegoAgua Tibia Mountains, south of Cleveland National Forest, approximately 3.3 miles east of the intersection of Gomez Truck Trail and Adams Drive, on the south side of Gomez Truck Trail, approximately 4.0 miles East-southeast of Pala.
    SD00056397SDCeanothus oliganthus var. orcuttiiDarley F. Howes.n.1948-5-02 Los AngelesAngeles Crest Road to Mt. Wilson
    SD00056408SDCeanothus oliganthus var. sorediatusDarley F. Howes.n.1951-4-28 UnknownSanta Lucia Mts.
    SD00056410SDCeanothus oliganthus var. sorediatusDarley F. Howes.n.1951-4-28 UnknownSanta Lucia Mts.
    SD00056407SDCeanothus oliganthus var. sorediatusDarley F. Howes.n.1960-4-10 San Luis Obispo.6 mile on road west of Cuesta Pass, 6 miles north of San Luis Obispo
    DAV319624DAVCeanothus oliganthusDaryl Koutniks.n.1978-3-24 Los AngelesLos Angeles County: Mulholland Highway at entrance to Seminole Hot Springs.
    DAV319622DAVCeanothus oliganthusDaryl Koutnik1411978-3-24 VenturaVentura County: West side of Westlake Blvd, south of Potrero Rd along Lake Eleanor.
    DAV319625DAVCeanothus oliganthusDaryl Koutniks.n.1978-3-24 Los AngelesLos Angeles County: Mulholland Highway, one mile south of Seminole Hot Springs.
    DAV319626DAVCeanothus oliganthusDaryl Koutniks.n.1978-3-31 Los AngelesLos Angeles County: West fork of Triunfo Creek and south of Westlake.