Search Results — 579 specimen records retrieved (358 records with coordinates)
Results for search: Scientific name=Silybum marianum (including nomenclatural synonyms);   More information: Jepson Online Interchange
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC364797  Silybum marianum Dana York 1997-5-1 1744 Fresno Kings River Basin. Ca. 23 km E-SE of Fresno (FSC), km E of Centerville, Friant-Kern Canal siphon at the Kings River 140 Comment
  CAS-BOT-BC364798  Silybum marianum Doris K. Kildale 1926-7-14 2376 Humboldt Trinidad Comment
  CAS-BOT-BC364799  Silybum marianum J. W. Blankinship 1928-7-12 s.n. Lake Clear Lake Comment
  CAS-BOT-BC364800  Silybum marianum Greg de Nevers 2001-4-23 12304 Lake Clear Lake, Lake County Land Trust, Rodman Slough 475 Comment
  CAS-BOT-BC364802  Silybum marianum John Thomas Howell 1964-4-26 40455 Mariposa Just southeast of Mariposa, on the road to Morman Bar 594 Comment
  CAS-BOT-BC364806  Silybum marianum Steve Boyd 1986-4-22 1726 Riverside Temescal Canyon: Walker Canyon area where Alberhill Creek (=Temescal Ck.) flows between Alberhill Mtn. and Gavilan Hills Comment
  CAS-BOT-BC364808  Silybum marianum I. Johnston 1917-5-30 1156 San Bernardino Chino Creek So. of Ontario 152 Comment
  CAS-BOT-BC364809  Silybum marianum S. B. Parish; W. F. Parish 1887-7-1 s.n. San Bernardino San Bernardino Valley Comment
  CAS-BOT-BC364810  Silybum marianum S. B. Parish 1894-7-1 s.n. San Bernardino San Bernardino Valley Comment
  CAS-BOT-BC364829  Silybum marianum Peter H. Raven; Michael P. Johnson 1967-5-1 21080 Marin Angel Island. Slopes on south side of island near Rock Quarry and small reservoir 91 Comment
  CAS-BOT-BC364832  Silybum marianum Jas. McMurphy 1903-7-1 376 Mendocino Big River Comment
  CAS-BOT-BC364833  Silybum marianum Carl D. Duncan 1920-7-13 209 Mendocino Near Pudding Creek, Fort Bragg Comment
  CAS-BOT-BC364834  Silybum marianum John Thomas Howell 1963-5-18 39276 Monterey 2.5 miles south of Aromas 60 Comment
  CAS-BOT-BC364841  Silybum marianum John Thomas Howell 1956-6-17 31587 San Francisco Summit ridge of Bayview Hills, San Francisco Comment
  CAS-BOT-BC364842  Silybum marianum John Thomas Howell 1957-5-22 32399 San Francisco San Francisco. Bayview Hills Comment
  CAS-BOT-BC364846  Silybum marianum Ernest C. Twisselmann 1970-11-27 17570 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch 670 Comment
  CAS-BOT-BC364847  Silybum marianum Ernest C. Twisselmann 1971-12-5 18535 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC364848  Silybum marianum Ernest C. Twisselmann 1971-12-5 18535 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC364864  Silybum marianum Alice Eastwood 1906-6-13 338 Santa Barbara Country adjacent to Santa Maria. Santa Maria river bed Comment
  CAS-BOT-BC364869  Silybum marianum J. H. Thomas 1949-5-3 502 Santa Clara Palo Alto Comment
  CAS-BOT-BC364874  Silybum marianum J. H. Thomas 1950-3-27 1363 Santa Cruz Davenport Landing Comment
  CAS-BOT-BC364881  Silybum marianum James R. Shevock 1972-5-16 1727 Tulare 1/2 mi. S. of Springville 289 Comment
  CAS-BOT-BC364887  Silybum marianum Steven A. Junak 1993-6-8 SN- 1119 Ventura California Islands. San Nicolas Island: Mesa S of Airfield runways, S of road between Airfield Terminal and Building 121, just S of power lines 167 Comment
  CAS-BOT-BC531677  Silybum marianum A. Williams 2015-5-15 15795 Marin Mount Tamalpais. Marin Municipal Water District lands: at Laurel Dell parking lot on Ridgecrest Comment
  CAS-BOT-BC539309  Silybum marianum G. Ledyard Stebbins 1977-6-28 7721 El Dorado Diamond Springs [exact location unknown] Comment
  CATA1425  Silybum marianum Mark L. Hoefs, Steven A. Junak, Ralph Philbrick, Sarah Chaney 1996-2-14 2586 Los Angeles Santa Catalina Island: Falls Canyon, above city warehouse and other buildings, below reservoir 57 Comment
  CATA3113  Silybum marianum Amy Catalano 2016-5-20 117 Los Angeles Santa Catalina Island: South side of Cape Canyon Road, ca. 0.75 miles southwest of Cape Canyon/Upper Cape Reservoir roads 221 Comment
  CATA3423  Silybum marianum Jaimie Choi, Olivia Reda, Stuart Olshevski 2017-5-1 004 Los Angeles Santa Catalina Island: Cape Canyon, interior 278 Comment
  CDA11812  Silybum marianum G. F. Hrusa 1990-4-2 7747 Sacramento Natoma Unit-Folsom Lake State Rec. Area; West side of lake and upstream from Nimbus Dam. Comment
  CDA20134  Silybum marianum W. West 2003-5-12 PDR P 163458 El Dorado Sierra Nevada; Cribbs Court, Placerville. 0 Comment
  CDA28920  Silybum marianum D. G. Kelch, Troy MacGregor 2009-5-24 9 .297 Contra Costa Carquinez Strait; Carquinez Loop Trail S of Ozol, S-SW of Martinez, nr Wolcott Ln . Comment
  CDA30825  Silybum marianum M. Beyers 2010-5-12 455 Yolo Just east of County Road 87, along County Road 19. 54 Comment
  CDA7653  Silybum marianum T. C. Fuller 1957-12-17 Napa 3 miles west of Napa. 0 Comment
  CHSC101807  Silybum marianum Lowell Ahart 2009-6-12 15847 Butte 5 yards west of Bear's Lair Picnic Area and Coastal Redwood Grove sign, about 80 yards east of Cedar Grove, Lower Bidwell Park, Chico. 67 Comment
  CHSC101977  Silybum marianum J. Boze 1982-5-8 439 Butte Along Eaton Road, Chico, about 1 mile from Hwy 99. Comment
  CHSC104845  Silybum marianum Lowell Ahart 2010-6-12 16807 Butte Open grass land, at the old homestead on the east side of Ten Mile House Road, about 5/8 mile (air) west of Highway 32, about 9 miles (air) northeast of Chico. 265 Comment
  CHSC115421  Silybum marianum Kate Ronan 2013-5-19 Butte Upper Bidwell Park, Wildwood Trail near golf course. 89 Comment
  CHSC19525  Silybum marianum J. H. Sneed 1972-3-5 8 Butte Found along side Chico-Butte City Hwy. s of Chico. 3.5 mi on right side of road. 59 Comment
  CHSC26099  Silybum marianum H. Takahashe 1967-5-10 90 Los Angeles Cal State L.A., SE corner of State College Drive and Eastern Ave. 137 Comment
  CHSC31598  Silybum marianum L. Ahart 1975-6-5 786 Butte Along North Honcut Creek. Peter Ahart Ranch, Honcut. 45 Comment
  CHSC38145  Silybum marianum J. D. Jokerst 1983-5-12 1756 Butte Top of North Table Mt. 426 Comment
  CHSC38388  Silybum marianum Vernon Oswald 1983-4-18 329 Butte Upper Bidwell Park, Chico, on the north slope w of Horseshoe Lake. Beside an old jeep trail. 109 Comment
  CHSC3911  Silybum marianum J. Wheeler 1967-5-20 31 Butte In vacant lot immediately w of 248 Servis St. Durham. Comment
  CHSC40585  Silybum marianum Pauleen Broyles 1982-5-21 636 Tehama The Nature Conservancy Vina Plains Preserve. Irrigation ditch, .5 km e of jct. of Hwy 99 and Lassen Road. 66 Comment
  CHSC421  Silybum marianum B. Richardson 1929-5-27 Butte Near Chico High School. Comment
  CHSC47666  Silybum marianum Lowell Ahart 1981-5-18 2812 Sutter Near the small stream, on the south side of the South Butte, Sutter Buttes. 91 Comment
  CHSC6138  Silybum marianum J. Wheeler 1968-5-17 369 Butte S side of e approach to Sacramento River Bridge on hwy. 32. Comment
  CHSC64698  Silybum marianum Vernon H. Oswald 1995-5-28 6791 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. On the w edge of the old highway on the s side of the basalt ridge crossing the ne corner of the reserve. 225 Comment
  CHSC66154  Silybum marianum Vernon H. Oswald; Lowell Ahart 1996-5-27 7667 Butte Sacramento 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. 32 Comment
  CHSC66477  Silybum marianum Vernon H. Oswald; Lowell Ahart 1996-5-20 7609 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Creek. 158 Comment
  CHSC75354  Silybum marianum Ben Myhre 1997-3-9 23 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Ceek Canyon. 106 Comment
  CHSC81465  Silybum marianum Petra M. Lee 2000-4-30 Butte Chico. 1/2 mile NW of Horseshoe Lake in Upper Bidwell Park. 91 Comment
  CHSC8161  Silybum marianum Dave Isle 1969-5-20 490 Butte Just E. of Chico Municipal Airport on E. side of Cohasset Rd. 59 Comment
  CHSC99852  Silybum marianum LeRoy Gross 2003-5-4 819 Los Angeles Transverse Ranges; Verdugo Mountains region: South side of mountains: Along east side of Brand Canyon a short distance above the large waterfall. Near 34. 19450N, 118.26919W UTM Zone 11; 3784256N 383053E. Near level area above river bottom. 393 Comment
  CLARK-A1528-293  Silybum marianum Penny Stead 1970-4-28 Riverside Riverside 243 Comment
  HREC954 Image available Silybum marianum H. F. Heady 1952-6-18 203 Mendocino Vassar Pasture - Hopland Field Station Comment
  HREC955 Image available Silybum marianum H. F. Heady 1954-6-17 1012 Mendocino Orchard Pasture - Hopland Field Station Comment
  HSC6176  Silybum marianum C. S. Apperson 1966-5-2 Ventura Ventura River delta near Ventura Co. fairgrounds Comment
  HSC67883  Silybum marianum J. P. Smith 1973-5-26 6872 Humboldt Scotia Bluffs along the Eel River near Rio Dell Comment
  HSC69693  Silybum marianum R. Kalal 1980-6-8 12 Humboldt Arcata, along 7th St., 0.1 mi. E of Hwy. 101 12 Comment
  HSC81852  Silybum marianum Thomas W. Nelson, Jane P. Nelson 1980-5-3 5129 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  HSC86911  Silybum marianum A. C. Sanders, B. Pitzer 1988-4-15 7780 San Bernardino Cajon Pass area, alluvial fan at the mouth of Devil Canyon. NW of San Bernardino State College, SW of benchmark 1750 500 Comment
  HSC93500  Silybum marianum F. Bowcutt 1989-7-9 1393 Mendocino Sinkyone Wilderness State Park, site of 1950's town site of Wheeler, 7 mi. SSE of Four Corners, 20 mi. SSW of Garberville, near site of old logging mill, near confluence of Jackass Creek and N Fork. 12 Comment
  IRVC906  Silybum marianum B. Savage 1963-5-15 Orange Newport Beach Comment
  IRVC908  Silybum marianum L. Stilgenbauer 1965-4-27 Orange Corona del Mar], Big Corona Beach. Newport Beach Comment
  JEPS100172  Silybum marianum G. Smick 2003-5-15 GAS 193 Contra Costa Mt. Wanda; Martinez; John Muir National Historic Site; Mt. Wanda, John Muir National Historic Site Comment
  JEPS103120  Silybum marianum E. Painter, E. Neese 1995-7-3 HL 2035 Monterey Fort Hunter Liggett; (Training Area 29), ca. 0.2 air km due N of San Antonio River, ca. 1.6 air km WSW of mouth of McGowan Canyon 240 Comment
  JEPS119005  Silybum marianum Dana York 1997-5-1 1744 Fresno Ca. 23 km E-SE of Fresno (FSC), km E of Centerville, Friant-Kern Canal siphon at the Kings River. Comment
  JEPS18681  Silybum marianum Ernest C. Twisselmann 1955-6-4 2075 Kern 2.5 mi se Lost Hills (Buena Vista Canal, Temblor Range, Western San Joaquin Valley); Western San Joaquin Valley, Temblor Range, Buena Vista Canal 94 Comment
  JEPS26372  Silybum marianum Ernest C. Twisselmann 1959-5-23 5276 San Luis Obispo Point Buchon 10 Comment
  JEPS59331  Silybum marianum W. L. Jepson 1936-6-2 17606 Napa banks Napa River (near bridge on road to Sanitarium, St. Helena); banks Napa River, St. Helena Comment
  JEPS59332  Silybum marianum S. B. Parish July 1894 San Bernardino San Bernardino Valley San Bernardino Valley (Southern California) Comment
  JROH1231  Silybum marianum John H. Thomas 1967-5-31 12931 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1232  Silybum marianum John H. Thomas 1969-6-4 15116 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1233  Silybum marianum John H. Thomas 1973-3-12 16493 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  JROH1234  Silybum marianum John Hunter Thomas 1989-5-9 24707 San Mateo Jasper Ridge Biological Preserve, Stanford University Comment
  OBI15471  Silybum marianum F. Rush Mar-56 135 San Luis Obispo Mt SLO Comment
  OBI15474  Silybum marianum R. R. La Belle 1967-4-2 12 San Luis Obispo Laguna Lake, San Luis Obispo. NE side of lake Comment
  OBI17813  Silybum marianum Hans Wilgenburg 1977-8-11 17 San Luis Obispo Cal poly campus Comment
  OBI28144  Silybum marianum Rick Frelinger 1982-5-10 57 San Luis Obispo In Reservoir Cyn, San Luis Obispo Comment
  OBI28597  Silybum marianum John Jackman & Julie Truesdale, Julie Truesdale 1980-1 10 San Luis Obispo MacGillivary Ranch, Adelaida. On airstrip only Comment
  OBI31120  Silybum marianum Julie M. Vanderwier 1978-6-20 82 San Luis Obispo Indian Knob Tar Sands Comment
  OBI31121  Silybum marianum Julie M. Vanderwier 1978-6-20 82 San Luis Obispo Indian Knob Tar Sands Comment
  OBI31616  Silybum marianum Turnquist, Smeltzer 1982-5-1 69 San Luis Obispo NE side of Laguna Lake park Comment
  OBI3515  Silybum marianum Lynch 1971-5-21 26 San Luis Obispo Cal Poly campus. E bank of Smith Reservoir Comment
  OBI4818  Silybum marianum Mike Wemp 1972-3-29 6 San Luis Obispo About 1/4 mi NW of Montana de Oro State Park campground 30 Comment
  OBI50520  Silybum marianum Sue Weis 1993-6-25 57 Santa Barbara Santa Cruz Island, in the central valley about 1.5 mi W of main ranch Comment
  OBI55021  Silybum marianum Steve Boyd, Lauren Raz 1997-5-28 9866 Los Angeles Liebre Mts region: Knapp Ranch area at upper endo f Castaic crk drainage in broad alluvial valley at head of Cienaga Cyn, S Liebre Mtn. T7N R17W E 1/2 SW 1/4 sec 14; 7N 17W W 1/2 SE 1/4 sec 14 939 Comment
  OBI5561  Silybum marianum Sharon Jochums 1974-4-28 142 San Luis Obispo W of hwy 1 S of Arroyo de la Cruz Comment
  OBI57080  Silybum marianum Danielle DeRome 1994-6-4 649471 San Luis Obispo Brizzolara Crk bed where the water disappears underground. At the base of the hill where the Ecological Study areas is located Comment
  OBI57402  Silybum marianum David J. Keil 1993-1 24087 Santa Barbara North base. at california rte. 1 (vandenberg road) turnoff from california rte. 135 at ne corner of base. Comment
  OBI81019  Silybum marianum Sammy Bueche, Anthony Campos, Mia Stornetta, Jessie Poletti, John Corotis, Andy Catanio 2014-4-24 1 San Luis Obispo Strother Park. Hillside that gradually slopes into a flat area along the bank of the Arroyo Grande Creek. Found on both flat ground and sloped areas, close to creek and further away. 14 Comment
  POM10044  Silybum marianum H. M. Hall 1904-5-24 4956 Riverside Along Santa Ana River, near Riverside Comment
  POM33430  Silybum marianum Marcus E. Jones 1881-06 s.n. Santa Cruz Santa Cruz. Comment
  POM6152  Silybum marianum I. M. Johnston 1917-5-30 1156 San Bernardino Chino Creek south of Ontario. Comment
  POM6407  Silybum marianum P. A. Munz, L. T. Street, G. Williams 1919-3-5 2640 San Bernardino Chino Comment
  RSA0058913  Silybum marianum LeRoy Gross, Joy England, Naomi S. Fraga 2015-5-6 7368 Ventura USC/Best Property; Off Pyle Road, south of Highway 126. Almost halfway between Santa Paula and Fillmore. 99 Comment
  RSA0060625  Silybum marianum Jon P. Rebman, W. Schmidtmann, G. Kenney 2014-5-8 28348 San Diego Camp Pendleton: Training Area India: eastern portion of Base; along the Santa Margarita River just southwest of the De Luz Road crossing. 35 Comment
  RSA0060862  Silybum marianum LeRoy Gross, Grace Cho, Dolores Gault Ruiz 2015-3-31 6904 Ventura Donton property; Along the river from east of the 101 freeway bridge between Ventura and Oxnard. 16 Comment
  RSA0063984  Silybum marianum Nick Jensen, J. Mark Porter 2014-5-21 1809 Kern Tejon Ranch. Lower end of Tejon Canyon near the old Indian Schoolhouse adjacent to a spring. 644 Comment
  RSA0072184  Silybum marianum LeRoy Gross, Loraine Washburn 2015-4-30 7297 Ventura Vulcan Property; End of Torrey Road/Main street, south of Highway 126, and Piru. Surveyed up stream. 193 Comment
  RSA0107666  Silybum marianum James Henrickson, Bruce Edley 2015-6-4 6685 San Diego Cuyamaca Rancho State Park; Cuyamaca Mountains; South-side of Middle Peak; 1.5 surface miles WSW of intersection of State Route 79 and Milk Ranch Road; and 120 feet north and upslope from Milk Ranch Road. Square M20. 1564 Comment
  RSA0112773  Silybum marianum Jon Rebman, W. Schmidtmann, G. Kenney 2016-4-11 31552 San Diego Camp Pendleton: south central portion of base; Oscar One Training Area: between Stuart Mesa Rd. and the Santa Margarita River; east of Macs Road on the steep slopes above the Santa Margarita River. 153 Comment
  RSA0114885  Silybum marianum R. G. Swinney 2011-4-26 14509 Los Angeles San Gabriel Mountains; Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir. 378 Comment
  RSA0115453  Silybum marianum R. G. Swinney 2010-5-25 12908 Los Angeles San Gabriel Mountains; Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA0116690  Silybum marianum R. G. Swinney 2010-5-25 12927 Los Angeles San Gabriel Mountains: Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom. 463 Comment
  RSA102298  Silybum marianum S. B. Parish, W. F. Parish 1882-07 838 San Bernardino San Vernardino Valley Comment
Read comments
Jul 12 2010
  RSA10327  Silybum marianum H. A. Barker 1926-6-1 556 Santa Clara Stanford University Comment
  RSA117760  Silybum marianum S. Carlquist 1958-6-4 493 Santa Barbara Along Via Bendita, near junction with Via Huerto, Hope Ranch Park 91 Comment
  RSA14728  Silybum marianum C. B. Wolf 1935-2-26 s.n. Orange Rancho Santa Ana, near office Comment
  RSA231889  Silybum marianum E. C. Twisselmann 1971-12-5 18535 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo County Comment
  RSA263776  Silybum marianum Robert Harvey 1958-4-23 57 Riverside Tin Mine Canyon area, Corona Comment
  RSA2704  Silybum marianum J. W. Blankinship 1928-7-12 s.n. Lake Kelseyville Comment
  RSA286937  Silybum marianum R. F. Thorne, Gary D. Wallace, Mark Hoefs 1977-4-28 48803 Santa Barbara Santa Rosa Island: E end, S of Beechers Bay, W of Southeast Anchorage Comment
  RSA289615  Silybum marianum D. A. Young 1969-5-25 P 474 San Bernardino Collected at the end of Haven Ave. north of Chaffey College in Deer Canyon 457 Comment
  RSA305568  Silybum marianum R. F. Thorne, John Dourley, Walter Wisura 1979-4-24 52504 Santa Barbara Santa Cruz Island, near buildings on Christi Ranch located on the west end of the island 30 Comment
  RSA335004  Silybum marianum Steve Boyd 1985-7-30 1048 Riverside De Luz Rd. 7.8 mi west of Rancho California. Comment
  RSA407741  Silybum marianum Steve Boyd 1986-4-22 1726 Riverside Temescal Canyon, Walker Canyon area where Alberhill Creek flows between Alberhill Mountain and Gavilan Hills Comment
  RSA473575  Silybum marianum F. R. Fosberg 1931-5-21 54931 Los Angeles Santa Catalina Island, between Cherry Valley and Howlands Landing 30 Comment
  RSA473577  Silybum marianum L. C. Wheeler 1932-4-24 657 San Bernardino 3 miles south of Chino 198 Comment
  RSA473578  Silybum marianum N. Cooper 1949-6-2 4065 San Diego Portero 610 Comment
  RSA473583  Silybum marianum M. B. Dunkle 1938-4-6 5372 Orange Santa Ana Canyon Comment
  RSA473585  Silybum marianum M. B. Dunkle 1939-8-12 8539 Santa Barbara Prisoners Harbor, Santa Cruz Island Comment
  RSA497620  Silybum marianum A. C. Sanders, Barbara Pitzer 1988-4-15 7780 San Bernardino Cajon Pass area, alluvial fan at the mouth of Devil Canyon, NW of San Bernardino State College SW of bench mark 1750. 500 Comment
  RSA519101  Silybum marianum Steven A. Junak, Mary Hochberg, Ralph Philbrick 1979-5-7 SC- 21 Santa Barbara Santa Cruz Island, Central Valley, at site of Rancho del Sur, in orchard near dump east of Stanton Ranch airfield 107 Comment
  RSA559467  Silybum marianum Steve Boyd, Timothy S. Ross 1992-4-29 7138 San Diego San Mateo Canyon Wilderness Area. San Mateo Canyon from eastern-most segment of the Clark Trail downstream to the border with Camp Pendleton. 152 Comment
  RSA575854  Silybum marianum Steve Boyd 1980-4-23 s.n. Riverside Glen Avon, ruderal field at Jurupa Road and Galena Avenue Comment
  RSA598501  Silybum marianum Suzanne Bell 1995-6-2 134 San Diego Bratton Valley Comment
  RSA599237  Silybum marianum L. C. Wheeler 1968-3-21 s.n. Los Angeles Foothills; Brown School for Girls, vicinity of stables. 335 Comment
  RSA600371  Silybum marianum Steve Boyd, Lauren Raz 1997-5-28 9866 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA600372  Silybum marianum Steve Boyd, Lauren Raz 1997-5-28 9866 Los Angeles Liebre Mountains region: Knapp Ranch area at upper end of Castaic Creek drainage in broad alluvial valley at head of Cienaga Canyon, south of Liebre Mountain. 866 Comment
  RSA603493  Silybum marianum L. C. Wheeler 1936-7-24 4292 Monterey Pt. Lobos Reserve: Whaler's Cottage. 6 Comment
  RSA607999  Silybum marianum Steven A. Junak 1993-6-8 SN- 1119 Ventura San Nicolas Island, mesa south of airfield runway, south of road between airfield terminal and building 121, just south of power lines 168 Comment
  RSA614985  Silybum marianum L. C. Wheeler 1968-4-13 s.n. Los Angeles Bluebird Truck Trail 449 Comment
  RSA620160  Silybum marianum L. C. Wheeler 1968-7-2 s.n. Los Angeles San Gabriel Mountains: Foster Ranch, Sycamore Canyon. South slope Johnstone Peak 731 Comment
  RSA637506  Silybum marianum Valerie L. Soza, LeRoy Gross 1999-5-10 448 Los Angeles San Gabriel Mountains: Foothills above Glendora, west of Colby Trail, at end of Loraine Avenue. 378 Comment
  RSA643290  Silybum marianum R. D. Goeden, D. W. Ricker 1972-5-19 s.n. Los Angeles Chino Hills: Brea Canyon S of Diamond Bar, E side of Brea Cyn. Rd., 0.6 mi. S of Diamond Bar Blvd. 198 Comment
  RSA643300  Silybum marianum R. D. Goeden, D. W. Ricker 1965-6-25 s.n. Santa Barbara Santa Ynez Mountains: Santa Barbara, south side of Foothill Rd, east of junction with Sycamore Canyon Rd, near Cold spring School 152 Comment
  RSA643352  Silybum marianum R. D. Goeden, D. W. Ricker 1974-5-15 s.n. Ventura N of Ventura: Lake Casitas, north side of lake along perimeter road at Dunshe Point. 183 Comment
  RSA653177  Silybum marianum David Barrios 1991-5-8 32 Orange 1500 ft. Northwest of Fairmont Ave and Quail cir. 365 Comment
  RSA701273  Silybum marianum LeRoy Gross 2003-5-4 819 Los Angeles South side of mountains: Along east side of Brand canyon a short distance above the large waterfall. 393 Comment
  RSA734809  Silybum marianum A. C. Sanders, Fred M. Roberts 2008-5-6 35269 Orange Lomas de Santiago, upper Limestone Canyon, 2.9 mi. NNW of El Toro 366 Comment
  RSA746770  Silybum marianum R. G. Swinney 2008-4-17 8679 Los Angeles San Dimas, ridge between Sycamore and Shay canyons. 497 Comment
  RSA751429  Silybum marianum A. C. Sanders, Fred M. Roberts 2008-7-3 35695 Orange Santa Ana Mtns.: Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir. 275 Comment
  RSA798300  Silybum marianum J. P. Rebman, Warren Schmidtmann, G. Kenney, J. Martin 2012-4-18 23249 San Diego Camp Pendleton: northeast of Stuart Mesa Road and west of Vandergrift Blvd. Along dirt road on the north side of the Santa Margarita River. 5 Comment
  SBBG102210  Silybum marianum M. Daily 1979-5-6 SR 230 Santa Barbara head of Lobos Cyn Comment
  SBBG103777  Silybum marianum Dallas Smith 1984-5-28 41 Santa Barbara 6.1 mi E of San Marcos Pass, 0.2 mi N of Santa Ynez River 298 Comment
  SBBG104263  Silybum marianum M. D. Proctor, E. A. Young 1993-4-16 ROB 434 San Luis Obispo ca. 1 km NW of Chorro Reservoir; Camp San Luis Obispo Comment
  SBBG106060  Silybum marianum S. A. Junak 1993-6-8 SN 1119 Ventura mesa S of Airfield runways, S of rd between Airfield Terminal and Bldg 121, just S of power lines 167 Comment
  SBBG111228  Silybum marianum E. Painter, E. Neese 1995-7-3 HL 2035 Monterey ca. 0.2 km N of San Antonio River, ca. 1.6 km WSW of mouth of McGowan Cyn; Ft Hunter Liggett 240 Comment
  SBBG128145  Silybum marianum C. Walden, D. McCleister, S. Hill 2013-4-21 AH 130 Santa Barbara E side of main rd at first gate; Arroyo Hondo Preserve 14 Comment
  SBBG14190  Silybum marianum M. A. Piehl 1962-5-16 62220 Santa Barbara near Christi Ranch 6 Comment
  SBBG22390  Silybum marianum R. N. Philbrick 1964-7-13 B 64 -296 Santa Barbara Ridge Rd ca. 1 mi WSW of Stanton Ranch house 243 Comment
  SBBG25110  Silybum marianum D. Myrick 1966-6-10 1432 Santa Cruz Empire Grade ca. 3 mi N of Santa Cruz Comment
  SBBG29579  Silybum marianum R. N. Philbrick 1968-3-18 B 68 -20 Santa Barbara bottom of lower Cliff Cyn 22 Comment
  SBBG32817  Silybum marianum R. N. Philbrick with D. W. Ricker 1969-3-15 B 69 -48 Santa Barbara bottom of middle-lower Cliff Cyn Comment
  SBBG39354  Silybum marianum R. N. Philbrick 1970-9-12 San Luis Obispo Lake Lopez at Escondido Camp Comment
  SBBG40921  Silybum marianum H. M. Pollard 1958-5-2 Santa Barbara Sycamore Cyn Rd Comment
  SBBG42257  Silybum marianum M. B. Dunkle 1939-8-11 8539 Santa Barbara Prisoners Harbor Comment
  SBBG42336  Silybum marianum R. N. Philbrick 1971-4-29 B 71 -85 Santa Barbara Scorpion Ranch, W of mouth of Scorpion Cyn Comment
  SBBG46766  Silybum marianum R. N. Philbrick 1973-5-16 Santa Barbara between Las Vegas Cyn and W fork of San Jose Crk Comment
  SBBG48105  Silybum marianum L. S. Matlovsky -Jan-1974 DM 5931 -40 Santa Barbara Bell Cyn, between Southern Pacific Railroad and ocean, just W of Sandpiper Golf Course, near Ellwood Comment
  SBBG48315  Silybum marianum R. N. Philbrick 1974-5-11 Santa Barbara 0.5 mi S of head of Las Vegas Cyn 182 Comment
  SBBG48375  Silybum marianum R. N. Philbrick 1974-5-11 Santa Barbara 0.5 mi S of head of Las Vegas Cyn Comment
  SBBG49864  Silybum marianum R. N. Philbrick with D. Leaberry 1975-5-11 B 75 -218 Santa Barbara cyn fork, NE of Black Mtn summit, W fork of E fork (Cherry Cyn) between Ranch and Black Mtn 106 Comment
  SBBG55930  Silybum marianum S. A. Junak with R. N. Philbrick 1979-7-11 SC 138 Santa Barbara Stanton Ranch Comment
  SBBG65876  Silybum marianum R. Hartwell 1937-4-22 Santa Barbara Lompoc Comment
  SBBG65877  Silybum marianum H. M. Pollard 1945-3-31 Ventura Foster Park burn area Comment
  SBBG79918  Silybum marianum R. Hoffmann 1925-3-28 Santa Barbara Santa Cruz Island Comment
  SBBG79919  Silybum marianum R. Hoffmann 1930-6-15 Santa Barbara hill above Valdez Comment
  SBBG79920  Silybum marianum R. Hoffmann 1932-3-19 Santa Barbara Prisoners Harbor Comment
  SBBG8817  Silybum marianum C. F. Smith 1944-5-4 773 Santa Barbara Tunnel Rd 213 Comment
  SBBG91770  Silybum marianum S. A. Junak with M. C. Hochberg, R. N. Philbrick 1979-5-7 SC 21 Santa Barbara site of Rancho del Sur, in orchard near dump E of Stanton Ranch airfield 106 Comment
  SD11027 Image available Silybum marianum Frank F. Gander 1935-4-10 167 45 San Diego San Onofre. Comment
  SD113069  Silybum marianum Darley F. Howe 1937-5-16 497 San Diego Lower Tijuana Valley Comment
  SD124258  Silybum marianum Robert F. Thorne, John Dourley, Walter Wisura, et al. 1979-4-24 52504 Santa Barbara Santa Cruz Island; near buildings on Christi Ranch located on the west end of the island. 29 Comment
  SD136432  Silybum marianum Suzanne Bell 1995-6-2 134 San Diego Bratton Valley 646 Comment
  SD163128  Silybum marianum Jon P. Rebman, J. Walker, J. Schlacter, & K. Collins 2003-5-3 8792 San Diego Otay Mountain Wilderness Area (BLM property): San Ysidro Mountains; just north of the USA/Mexico border: vicinity of Wild Bill's Draw 330 Comment
  SD166317  Silybum marianum Jon P. Rebman, Jeannie Gregory 2004-5-25 10421 San Diego Rancho Jamul Ecological Reserve: west of Hwy. 94, south of Jamul & north of Otay Lakes Road; southwest part of reserve on a north-facing slope just southwest of the old cement furnace 235 Comment
  SD166886  Silybum marianum Jon P. Rebman, J. Gregory and J. Rocks 2004-6-1 10563 San Diego Otay Mountain Ecological Reserve (California Dept. of Fish & Game): Southeast of Otay Lake; south of Otay Lakes Road, just north of the old olive grove 374 Comment
  SD16973  Silybum marianum Frank F. Gander 1937-4-15 3337 San Diego San Luis Rey Comment
  SD172020  Silybum marianum Steven A. Junak 1993-6-8 SN 1119 Ventura San Nicolas Island; mesa south of Airfield runways, south of road between Airfield Terminal and Building 121, just south of power lines. 167 Comment
  SD177289  Silybum marianum Gloria Kendall 2006-3-30 21 San Diego East of Escondido, on dirt road N of Hwy 78 (San Pasqual Valley Rd), ca. I(c) mi W of intersection with Via Rancho Parkway. 220 Comment
  SD178741  Silybum marianum Ian Cain 2006-5-6 242 San Diego City of Vista. Anstine-Audubon Bird Sanctuary. 120 meters north of the intersection of Hutchison and Osborne Street. Just east of the home. 98 Comment
  SD178742  Silybum marianum Victoria Marshall 2006-5-11 214 San Diego Boulder Oaks County Park ca. 2 mi ENE of the junction of Highway 67 and Scripps Poway Parkway; S of Ramona. 449 Comment
  SD17951  Silybum marianum Frank F. Gander 1937-6-17 4173 San Diego Sweetwater River near Jamacha Comment
  SD183790  Silybum marianum Elizabeth P. Lowe, Fran Cummings 2006-5-13 80 San Diego San Marcos. E of La Moree Park, on the bend of the road on Sandy Lane, just N of La Moree Rd and S of Hwy 78. 248 Comment
  SD184678  Silybum marianum Judy Carlstrom 2006-6-20 210 San Diego Escondido. W of Mountain Meadows Rd, SW side of Meadows Lake Country Club golf course. 399 Comment
  SD186687  Silybum marianum Jon P. Rebman, Margie Mulligan 2008-5-16 15183 San Diego Del Dios Highlands County Preserve: SW of Escondido, just west of S-6 (Del Dios Highway) and NW of Lake Hodges; S of the main road/trail through the preserve in a riparian area 199 Comment
  SD190973  Silybum marianum Ian Cain, D. Driscoll, T. Foster, E. Clayton 2007-4-22 410 San Diego City of Lemon Grove. Chollas Lake Community Park. E of 54th Street, N of Hwy 94, Far west end of park, 70 meters east of east end of Chollas Station Road 96 Comment
  SD192389  Silybum marianum Jim Rocks, M. Mulligan, W. Schmidtmann, D. Bieber, M. Dinkins 2007-5-10 362 San Diego Camp Pendleton Marine Corps Base, Bravo Two Training Area. Talega Canyon Road, ca. 1 mi E of road junction to Camp Talega (64 Area). 85 Comment
  SD192390  Silybum marianum Jim Rocks, J. Gregory, M. Mulligan, M. Dinkins 2007-5-2 240 San Diego Camp Pendleton Marine Corps Base, Delta Training Area. Steep slopes along Roblar Road, ca. I(c) mi NW of its junction with Jardine Canyon Road. 376 Comment
  SD194923  Silybum marianum Jeannie Gregory, E. Douglas, M. Mulligan, L. Aerne 2006-6-7 2088 San Diego Lakeside, Lindo Lake County Park, Lakeshore Drive, N shore between Vine St and Petite Drive; S shore of lake 121 Comment
  SD194934  Silybum marianum Paul Beiley 2007-4-26 154 San Diego Lakeside, El Monte Rd., A|-mi. NE of intersection with Lake Jennings Park Rd., about Ao-mi. S of San Diego River. 145 Comment
  SD195772  Silybum marianum Jon P. Rebman, M. Mulligan & M. Dinkins 2009-4-15 17043 San Diego Camp Pendleton Marine Corps Base: Papa 3 Training Area in the northwestern portion of base and on the east side of the San Onofre Mountains; along Horno Canyon Road; burned in Horno Fire 210 Comment
  SD197196  Silybum marianum Jon P. Rebman, M. Mulligan & M. Dinkins 2009-5-6 17381 San Diego Camp Pendleton Marine Corps Base: Alpha One Training Area in the northwestern portion of base; north of Basilone Road along San Juan Road and in the adjacent riverbed of Jardine Canyon 64 Comment
  SD198269  Silybum marianum Judy Dunning 2007-4-25 17 San Diego Dehesa, SE corner of Dehesa Rd and Harbison Canyon Rd. Drainage ditch on E side of Dehesa Rd. 174 Comment
  SD200724  Silybum marianum Margaret R. Mulligan, Carolyn Martus 2008-4-18 2387 San Diego Camp Pendleton Marine Corps Base, Bravo Three Training Area, ca. A| mi southeast of San Mateo (62 Area), ca. 1 mi west of San Mateo Road, just southeast of Impact Area 30. 234 Comment
  SD203278  Silybum marianum Margaret R. Mulligan, J. Rebman, B. Ladiere 2009-4-9 2745 San Diego Camp Pendleton Marine Corps Base, Lima Training Area, Windmill Canyon, just east of southern tip of Memorial Golf Course (18 Area). 21 Comment
  SD205504  Silybum marianum Richard L. Breisch 2008-6-4 477 San Diego City of San Diego, Tecolote Canyon Natural Park, 200 yds north of intersection Mount Acadia Blvd. and Snead Ave, east of Tecolote Creek. 42 Comment
  SD205505  Silybum marianum Margaret R. Mulligan, Carolyn Martus 2008-4-18 2293 San Diego Camp Pendleton Marine Corps Base, San Onofre Creek area, Alpha Two Training Area, south of Basilone Road, ca. I(c) mi east of San Onofre Mobile Home Park. 17 Comment
  SD205506  Silybum marianum Ian Cain, Emily Clayton 2008-5-11 846 San Diego City of San Diego. Tecolote Canyon Natural Park. 300 meters south of west end of Mt Ariane Drive 49 Comment
  SD210791  Silybum marianum Larry Hendrickson 2010-6-18 4898 San Diego Whispering Pines, 0.8 air mile NE of Julian, on cut bank above State hwy. 78 (Banner Grade), 1.0 mile S of intersection of 78 and Wynola Road near Canyon Drive. 1245 Comment
  SD212513  Silybum marianum Andrew C. Sanders 2005-4-22 29659 San Diego Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center Quad: Encinitas 7.5A Q. Comment
  SD213006  Silybum marianum Jon P. Rebman, W. Schmidtmann, G. Kenney, & Base staff 2011-3-24 20873 San Diego Camp Pendleton: Romeo II Training Area; north of Las Pulgas Road, east of I-5 and east of El Camino Real along Horno Canyon Road 70 Comment
  SD214170  Silybum marianum Richard L. Breisch 2009-4-27 550 San Diego City of San Diego, Tecolote Canyon Natural Park, 60 yds NW intersection Caminito del Oeste and Caminito del Pastel, east of Tecolote Creek in a dry arroyo. 24 Comment
  SD214834  Silybum marianum Dick Schwenkmeyer 2009-5-21 467 San Diego Mission Trails Regional Park, .5 mi. southwest of trailhead at Big Rock Park on Mesa Road in Santee, about 1.0 mi W of Hwy 52. 162 Comment
  SD215912  Silybum marianum Jon P. Rebman, John Martin and SDNHM volunteers 2011-4-27 21259 San Diego San Diego National Wildlife Refuge: southeast of Sweetwater Reservoir; west side of Mother Miguel Mountain; in a small canyon and on the grassland slopes around it 164 Comment
  SD218604  Silybum marianum Jeannie Gregory, J. Rebman, K. Rich, J. LaGrange 2009-5-1 3098 San Diego Mission Trails Regional Park, 2.33 miles SE of Hwy 52 and Santo Road, 0.43 miles NW of Mission Gorge Road and Jackson Drive, along trail heading W to quarry 49 Comment
  SD219374  Silybum marianum Jon P. Rebman, John Martin & volunteers 2011-5-31 22086 San Diego San Miguel Ranch: East of Bonita and south of the Sweetwater Reservoir; south of the hill called Gobblers Nob, east of Highway 125 and just north of Proctor Valley Road 89 Comment
  SD220244  Silybum marianum Nancy Nenow 2010-4-6 921 San Diego City of San Diego; Mira Mesa in the riverbed of Lopez Canyon below just south of the Lopez Ridge Park. 73 Comment
  SD223351  Silybum marianum Jon P. Rebman, W. Schmidtmann, G. Kenney, et al. 2012-3-28 23133 San Diego Camp Pendleton: Training Area Romeo II; San Onofre Mountains: east of I-5 and southeast of San Onofre Peak, along San Onofre Peak Road near canyon bottom and its surrounding slopes 365 Comment
  SD223352  Silybum marianum Jon P. Rebman, W. Schmidtmann, G. Kenney, J. Martin 2012-4-18 23249 San Diego Camp Pendleton: northeast of Stuart Mesa Road and west of Vandergrift Blvd.; along dirt road on the north side of the Santa Margarita River 4 Comment
  SD22372  Silybum marianum Richard Neil 1938-6-20 Colusa Grimes Comment
  SD225470  Silybum marianum Jon P. Rebman, W. Schmidtmann and G. Kenney 2012-5-22 24004 San Diego Camp Pendleton: Training Area Romeo II; southeast of San Onofre Peak; along Horno Canyon Road east of El Camino Real and I-5 210 Comment
  SD225471  Silybum marianum Jon P. Rebman, W. Schmidtmann, G. Kenney, J. Martin 2012-5-30 24390 San Diego Camp Pendleton: Training Area Echo; west of Santa Margarita Peak; east of Case Springs Road, around Case Springs Lake 659 Comment
  SD229886  Silybum marianum Jon P. Rebman, D. Sinclair, B. Primrose, & T. Barckley 2012-5-10 23795 San Diego Otay Mesa area: East of I-805 and south of Hwy 905; southwest of Brown Field Airport; on City of San Diego open space preserve property, in canyon area southwest of Heritage Road 99 Comment
  SD235272 Image available Silybum marianum Jon P. Rebman, W. Schmidtmann & G. Kenney 2013-5-1 26197 San Diego Camp Pendleton: central portion of Base; Training Area India; northeast of Basilone Road and east of Roblar Road; along a canyon bottom south of a dirt road 124 Comment
  SD235273  Silybum marianum Jon P. Rebman, W. Schmidtmann & G. Kenney 2013-4-24 26078 San Diego Camp Pendleton: central portion of Base; Training Area Kilo One; off of a dirt road west of Basilone Road, along the bottom of a canyon north of a small pond 85 Comment
  SD238633  Silybum marianum Jon P. Rebman, W. Schmidtmann & G. Kenney 2014-4-16 27877 San Diego Camp Pendleton: southeastern portion of Base; Training Area Lima; around a small pond east of the golf course and south of 4th Street 95 Comment
  SD238634  Silybum marianum Jon P. Rebman, W. Schmidtmann & G. Kenney 2014-4-22 28019 San Diego Camp Pendleton: northwestern portion of Base; along Cristianitos Creek, west of Guacamole Road & southeast of Cristianitos Road, just north of the convergence with San Mateo Creek 27 Comment
  SD240583  Silybum marianum Jon P. Rebman, W. Schmidtmann & G. Kenney 2014-5-13 28458 San Diego Camp Pendleton: Training Area India: central portion of Base; along the Santa Margarita River just west of Santa Margarita Road & the hospital 29 Comment
  SD242523  Silybum marianum Chris Brennen 2008-3-29 8 San Diego City of San Diego, on the North side of Aldine Dr. between Adams Ave. and Fairmont Ave. (5-10ft. off the North side of Aldine Dr.), a North facing slope. 89 Comment
  SD244349  Silybum marianum Jon P. Rebman, W. Schmidtmann & G. Kenney 2014-5-8 28348 San Diego Camp Pendleton: Training Area India: eastern portion of Base; along the Santa Margarita River just southwest of the De Luz Road crossing 35 Comment
  SD244350  Silybum marianum Jon P. Rebman, W. Schmidtmann & G. Kenney 2015-2-24 29367 San Diego Camp Pendleton: central portion of Base; India Training Area; north of Basilone Rd. & east of Roblar Rd.; along a dirt road near a canyon 139 Comment
  SD245677  Silybum marianum Richard L. Breisch 2012-5-11 888 San Diego City of San Diego; Tecolote Canyon Natural Park, east of Tecolote Nature Center; S of Tecolote Road; N of Alcala Parkway 14 Comment
  SD245678  Silybum marianum Andy Mauro, Kathleen Mauro 2008-6-27 64 San Diego Rancho Santa Fe; La Orilla Bridal Trail at NW corner of La Orilla and Rambla de los Flores streets 13 Comment
  SD249988  Silybum marianum Nancy Nenow 2011-5-22 1991 San Diego San Diego Mission Valley north side of Camino Del Rio North; S of the San Diego River; E of Qualcomm Way. 14 Comment
  SD252040  Silybum marianum Jeannie Gregory, Mary Alice Kessler 2010-5-1 3404 San Diego Rancho San Diego; US Fish & Wildlife Refuge; N side of San Miguel Mountain; W of Millar Ranch Road; 0.58 miles SW of junction with Highway 94 (Campo Road); E of Sweetwater River 89 Comment
  SD253690  Silybum marianum Dick Schwenkmeyer 2011-3-28 532 San Diego Santee; Mission Trails Regional Park; 1/4 mi. south of Big Rock trailhead on Mesa Road 149 Comment
  SD254248  Silybum marianum Jon Rebman, W. Schmidtmann & G. Kenney 2016-4-11 31552 San Diego Camp Pendleton: south-central portion of Base; Oscar One Training Area: between Stuart Mesa Rd. and the Santa Margarita River; east of Macs Road on the steep slopes above the Santa Margarita River; recently burned in 2014 153 Comment
  SD256430  Silybum marianum Larry Hendrickson, Bruce Edley 2015-6-4 6685 San Diego Cuyamaca Rancho State Park; Cuyamaca Mountains; South-side of Middle Peak; 1.5 surface miles WSW of intersection of State Route 79 and Milk Ranch Road; and 120 feet north and upslope from Milk Ranch Road. 1563 Comment
  SD26465  Silybum marianum Frank F. Gander 1940-3-6 7917 San Diego near Bonsall Comment
  SD30797  Silybum marianum Edith A. Purer 1931-8-5 Santa Barbara Near Surf and Ocean Park. Comment
  SD38223  Silybum marianum Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay Comment
  SD38224  Silybum marianum Edith A. Purer 1932-7-23 San Francisco Golden Gate Park Comment
  SD90224  Silybum marianum Benjamin C. Stone 1952-6-24 111 Santa Clara 6.0 miles north of San Jose on U. S. Highway 101. Comment
  SDSU12423  Silybum marianum Mary Dellavalle 1997-4-3 3 IV97D San Diego Mission Trails Regional Park. Father Serra Trail, west of San Diego River, east of fork with grasslands trails. 98 Comment
  SDSU15472  Silybum marianum Genie Fleming, Kaarin Tae, Zach Principe, Eric LaCoste 1998-6-11 San Diego UTM-Easting: 454460.4875; UTM-Northing: 3692345.6885; Training area: ROMEO 1; LTETM Plot#: 128; LTETM Unknown code: F21. 268 Comment
  SDSU21329  Silybum marianum Alison R. Sample, Michael G. Simpson 2015-4-26 9 San Diego Mission Trails Regional Park, approximately 125 feet southeast of the intersection of Big Rock Rd. and Rancho Fanita Dr. 117 Comment
  SDSU521  Silybum marianum Curtis B. Kendall 1994-5-18 18 V94G Orange Intersection of Bell Canyon Road and North Prusker Road in the National Audubon Starr Sanctuary. 268 Comment
  SEINET13203171 Image available Silybum marianum George K. Helmkamp, Mary Alice Barnes 2013-1 20521 Yolo Southern Sacramento Valley: Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis (Davis 7.5' Q.) 13 Comment
  SEINET13203254 Image available Silybum marianum R. G. Swinney 2011-1 14509 Los Angeles San Gabriel Mountains: Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservior (Glendora 7.5' Q.) (T1N R9W S6) 378 Comment
  SEINET201026 Image available Silybum marianum Joseph P. Tracy 1938-7-6 16026 Humboldt Big Lagoon. 12 Comment
  SEINET2055074 Image available Silybum marianum Nadine Tolkan 1970-5-19 15 Riverside Natural area W of Fairmont Park 304 Comment
  SEINET3148929  Silybum marianum W. B. Crockatt sn Riverside Prado 91 Comment
  SEINET3371866  Silybum marianum G. Rink 2011-6-1 10566 Los Angeles Next to Highway 57, north of La Brea, weedy place 213 Comment
  SEINET3812535  Silybum marianum Jon P. Rebman, W. Schmidtmann and G. Kenney 2012-5-22 24004 San Diego Camp Pendleton. Training Area Romeo II; southeast of San Onofre Peak, along Horno Canyon Road east of El Camino Real and I-5. 210 Comment
  SEINET4558261  Silybum marianum Jon P. Rebman, W. Schmidtmann & G. Kenney 2013-1 26078 San Diego Camp Pendleton: central portion of Base; Training Area Kilo One; off of a dirt road west of Basilone Road, along the bottom of a canyon north of a small pond. 85 Comment
  SFV15547  Silybum marianum R. K. Stachelek 1992-5-2 34 Los Angeles Santa Monica Mountains Roadside of Las Virgenes Road, about 1 mile north of Tapia Park entrance. 180 Comment
  SFV20997  Silybum marianum L. Gross 2003-5-4 819 Los Angeles Verdugo Mountains South side of Verdugo Mountains. Along east side of Brand Canyon a short distance above the large waterfall near above coordinates. Near level area above river bottom. 393 Comment
  SJSU8198  Silybum marianum R. L. Fisher 1957-6-15 135 Santa Clara lower end Alum Rock Park, E San Jose foothills, San Jose Comment
  UC1070221  Silybum marianum R. C. Wilson 1935-3-12 120 Contra Costa 1 1/2 mi ne Danville; Mt. Diablo Quad. Comment
  UC1070222  Silybum marianum R. D. Roseberry 1935-5-16 185 Stanislaus 2 1/2 mi SW of Milton; Jackson Quad. Comment
  UC1070223  Silybum marianum G. T. Nordstrom 1937-5-11 1184 San Luis Obispo 2.8 mi sse Asuncion School; Adelaids Quad. Comment
  UC123724  Silybum marianum H. A. Walker 1907-7-4 627 Marin Cascade Drive , Cascade Drive (Mill Valley) Comment
  UC126827  Silybum marianum R. L. Pendleton 1906-7-7 384 a Santa Clara western Saratoga (West Central California); Western Saratoga 152 Comment
  UC1584713  Silybum marianum Tim Ross and Annette Ross 1991-6-3 5524 Los Angeles sw base Elephant Hill (west Pomona); West Pomona, Elephant Hill 230 Comment
  UC1614347  Silybum marianum Charles M. Belshaw 1934-10-23 246 Alameda s.-facing slope above Poultry Experiment Station Strawberry Canyon; Berkeley, Strawberry Canyon 274 Comment
  UC176320  Silybum marianum Harriet A. Walker 1913-6-8 2996 Alameda Northbrae, Berkeley Comment
  UC195650  Silybum marianum Ira J. Condit 1913-1 Alameda Berkeley Comment
  UC2045002  Silybum marianum Nick Jensen with J. Mark Porter 2014-5-21 1809 Kern Tejon Ranch. Lower end of Tejon Canyon near the old Indian Schoolhouse adjacent to a spring. Comment
  UC589440  Silybum marianum Beryl O. Schreiber 1932-6-29 607 Marin Sand Dune Beach , Sand Dune Beach (Tomales Bay) Comment
  UC604734  Silybum marianum Louis C. Wheeler 1936-7-24 4292 Monterey Whaler's Cottage , Whaler's Cottage (Pt. Lobos Reserve) 6 Comment
  UC63256  Silybum marianum H. M. Hall 1904-5-24 4957 Riverside vicinity Riverside (Santa Ana River, Southern California); Santa Ana River 213 Comment
  UC668192  Silybum marianum Joseph P. Tracy 1938-7-6 16026 Humboldt Big Lagoon 12 Comment
  UC668193  Silybum marianum Joseph P. Tracy 1938-7-6 16026 Humboldt Big Lagoon 12 Comment
  UC685557  Silybum marianum Bob Rodin 1943-7-24 289 Alameda southern slope w Botanical Garden (Strawberry Canyon, University of California campus, Berkeley); Berkeley, University of California campus, Strawberry Canyon Comment
  UC685658  Silybum marianum Bob Rodin 1943-5-14 199 Alameda Strawberry Canyon Berkeley, University of California Campus, Strawberry Canyon (University of Californa <at> Berkeley) Comment
  UC691376  Silybum marianum Mary L. Bowerman 1930-6-3 233 Contra Costa West Road 1.9 mi from entrance Mount Diablo (= North Road); Mount Diablo Comment
  UC735714  Silybum marianum Charles B. Heiser Jr. 1947-5-23 1916 Yolo Davis , campus (campus, <University of California at Davis>) Comment
  UC829780  Silybum marianum Ira W. Clokey 1930-6-4 5115 Santa Barbara Scorpion Santa Barbara Islands, Santa Cruz Island, Scorpion (Santa Cruz Island, Santa Barbara Islands) Comment
  UCD135833  Silybum marianum J. K. Couch 1995-5-17 6 Yolo in Community Gardens in Davis. 1.5 miles north of Putah Creek, bordering 113. 16 Comment
  UCD135835  Silybum marianum A. S. Crafts 1926-7-8 451 Yolo University Farm Campus, Davis. Comment
  UCD135840  Silybum marianum G. K. Helmkamp; E. A. Helmkamp 2007-5-5 11941 El Dorado Northern Sierra Nevada Mountains: along CA-49, 3.7 miles northwest of Placerville. 548 Comment
  UCD135844  Silybum marianum M. Klapp 1996-5-10 3 Solano south side of County Road 32 approximately 20 meters from Putah Creek. Located on disturbed roadside. 20 km east of Stebbins Reserve. 25 Comment
  UCD135869  Silybum marianum A. S. Guerrero 1924-6-1 s.n. Inyo Mt. Davis Comment
  UCD135875  Silybum marianum Clifton F. Smith 1944-5-4 773 Santa Barbara Tunnel Road, Santa Barbara. 213 Comment
  UCD135882  Silybum marianum M. Wiesendanger 1927-5-5 740 Solano Cordelia. Comment
  UCD148092  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 Comment
  UCD150947  Silybum marianum D. S. Park; D. Potter 2010-4-22 27 Yolo 128 roadside. Disturbed. Large population thriving all along road. 81 Comment
  UCD151215  Silybum marianum Jake Ruygt 1978-5-13 300 Napa Suscol Hill, west of Hwy 29 (221). 7 Comment
  UCD160158  Silybum marianum Aaron Goodman 2015-4-12 2 Yolo Audubon Bobcat Ranch. North side of Hwy 128, west of Winters. Southeast corner of ranch, west and uphill of ranch house headquarters. 167 Comment
  UCD160905  Silybum marianum G. Ledyard Stebbins 1977-6-28 7721 El Dorado Diamond Springs. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD20857  Silybum marianum N. Nicola 2001-2-5 074 Yolo Sacramento Valley, 4 miles west of Woodland, at Cache Creek Nature Preserve, riparian zone of Cache Creek. Comment
  UCD21231  Silybum marianum J. Shepard 2000-4-9 110 Yolo Yolo County Grasslands Park: East of Davis, from intersection of I-80 and Mace Blvd., 3.5 mi. south on Mace Blvd. (County Road 104), thence east along unpaved entrance road. By parking lot on north side of entrance road. 12 Comment
  UCD46360  Silybum marianum K. F. Mawdsley; J. L. Buck 2005-4-30 81 Sacramento California: 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. 100 Comment
  UCD68014  Silybum marianum C. P. Pease 1995-5-20 S.N. Yolo East side of University of California, Davis campus, Experimental College gardens. 16 Comment
  UCD69407  Silybum marianum S. Quick 1996-5-10 04 Solano Along Road 32, within 50 meters of the U.C. Reserve access road leading to Stebbins Cold Canyon Reserve. Mixed riparian grassland community dominated by oaks. Herb erect, 1-2 meters tall. Spines cover the stem, leaves and inflorescence. Flowers composite and purple. 100 Comment
  UCD74581  Silybum marianum J. E. Sandoval 1996-4-5 275 Merced Great Valley Grasslands State Park (encompasses the former Fremont Ford State Recreation Area). South of the town of Stevinson, 1 mi. south of Hwy 140 on Hwy 165. 17 Comment
  UCD80973  Silybum marianum Ellen Dean; R. Rawson, J. Herford, A. Weidling, H. McGinnis 2009-4-1 5356 Yolo 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. Western side of property used by model airplane club. 9 Comment
  UCR100605  Silybum marianum B. G. Pitzer 1996-5-5 2878 Los Angeles Palos Verdes Peninsula, Palos Verdes Hills, San Pedro Naval Fuel Depot, at San Pedro Hill [between Western Ave. & Gaffey St] 451 Comment
  UCR102027  Silybum marianum B. G. Pitzer 1997-4-15 3144 Orange San Joaquin Hills, Crystal Cove State Park, north of the N end of the City of Laguna Beach. Along Moro Canyon Trail, from beginning to a point c. 1.75 mi. up the canyon. 49 Comment
  UCR107351  Silybum marianum George K. Helmkamp, E. A. Helmkamp 1998-5-14 3623 Fresno Coast Range, Warthan Creek Canyon, along Calif. Hwy 198, 27.6 mi. west of Interstate 5, west of Coalinga 457 Comment
  UCR109592  Silybum marianum R. D. Goeden, Don W. Ricker 1974-5-15 s.n. Ventura N of Ventura, Lake Casitas, north side of lake along perimeter road at Dunshe Point 183 Comment
  UCR109667  Silybum marianum R. D. Goeden, Don W. Ricker 1968-1-5 s.n. San Diego Peninsular Range, near Rainbow at county line on Hwy 395 [I-15] 366 Comment
  UCR109683  Silybum marianum R. D. Goeden, Don W. Ricker 1972-5-19 s.n. Los Angeles Chino Hills, Brea Canyon south of Diamond Bar, E side of Brea Cyn. Rd., 0.6 mi. south of Diamond Bar Blvd. 198 Comment
  UCR109717  Silybum marianum R. D. Goeden, Don W. Ricker 1965-6-25 s.n. Santa Barbara Santa Ynez Mountains, Santa Barbara, south side of Foothill Rd, east of junction with Sycamore Canyon Rd, near Cold Spring School 152 Comment
  UCR114580  Silybum marianum A. C. Sanders, K. C. Rose 1999-6-18 22805 Riverside Skinner/Domenigoni area, French Valley, E side of Washington Ave. near Rawson Rd. 451 Comment
  UCR115162  Silybum marianum Mitch Provance 2000-10-28 2292 Riverside Jurupa Mountains, Jurupa Mountains Cultural Center, 1/4 mile SE of peak 1411 290 Comment
  UCR119925  Silybum marianum George K. Helmkamp, E. A. Helmkamp 1999-5-20 4836 Santa Barbara Central Coast, Casmalia Hills; Corralitos Canyon, southeast of Guadalupe, 3.8 mi southeast of CA Hwy 1 on Brown Road 305 Comment
  UCR120200  Silybum marianum Mitch Provance 1998-2-28 131 San Bernardino Jurupa Mountains, City of Fontana, Jurupa Hills Regional Park, Pediment region on the W side of the Mary Vagl Nature Center, in the city of Fontana. 351 Comment
  UCR121538  Silybum marianum George K. Helmkamp 2002-4-21 7474 San Luis Obispo Central Coast, Santa Rosa Creek Rd., 6.9 mi east of Cambria 183 Comment
  UCR130270  Silybum marianum Mark A. Elvin 2003-5-3 2671 San Diego Peninsular Range, San Ysidro Mountains, SE side of Otay Mtn., Marron Valley, along Cottonwood Creek c. 1 km north of the Mexican border 198 Comment
  UCR130852  Silybum marianum S. J. Myers, C. McGaugh 1996-5-17 s.n. Riverside Santa Ana River Valley, Corona, River Road bridge over the Santa Ana River 165 Comment
  UCR137076  Silybum marianum June Latting 1958-5-4 s.n. Santa Barbara San Rafael Mtns., 10 miles south of Hwy 166 on Sisquoc [Tepusquet] Road 305 Comment
  UCR140789  Silybum marianum Robin G. Marushia 2004-5-4 011 Orange Southern Coast, Crystal Cove State Park, interior of El Moro Canyon, east side of canyon, utility pole turnout above riparian area crossing 183 Comment
  UCR153136  Silybum marianum A. C. Sanders, Mark A. Elvin 2005-4-22 29659 San Diego South Coast, Batiquitos Lagoon Ecological Reserve, north side of lagoon, east of the I-5 Fwy, along the trail past the nature center 6 Comment
  UCR154192  Silybum marianum A. C. Sanders, T. B. Salvato 2005-5-24 30244 Los Angeles Western San Gabriel / Liebre Mtns. Region, Santa Clarita area, nameless canyon NW of community of Mint Canyon, tributary of Santa Clara River 518 Comment
  UCR156150  Silybum marianum Jon P. Rebman, J. Gregory and J. Rocks 2004-6-1 10563 San Diego Otay Mountain Ecological Reserve (California Dept. of Fish & Game): Southeast of Otay Lake; south of Otay Lakes Road, just north of the old olive grove 375 Comment
  UCR159534  Silybum marianum Jon P. Rebman, Jeannie Gregory 2004-5-25 10421 San Diego Peninsular Range, Rancho Jamul Ecological Reserve: west of Hwy 94, south of Jamul and N of Otay Lakes Rd.; SW part of the reserve, just SW of the old cement furnace 235 Comment
  UCR160315  Silybum marianum George K. Helmkamp 2004-5-23 8578 Santa Barbara Southern Central Coast, Lompoc-Casmalia Rd, 1.4 mi south of the junction to Casmalia 183 Comment
  UCR161654  Silybum marianum George K. Helmkamp, E. A. Helmkamp 2005-5-17 9485 Monterey Central Coast, 0.9 mi south of Plaskett (N of Gorda); along Calif. Highway 1 90 Comment
  UCR1653  Silybum marianum William R. Bowen 1962-5-1 110 Tulare San Joaquin Valley, State Hwy 198, 4 miles west of State Hwy 65 [c. 4 miles east of Visalia, north of Farmersville] 122 Comment
  UCR16676  Silybum marianum Arthur Douglas 1969-5-22 26 Riverside Near Arlington. Below W end of Fremont Street, in vicintiy of Santa Ana River 183 Comment
  UCR16901  Silybum marianum M. Wexler 1973-5-22 s.n. Contra Costa El Sobrante, across the street from the intersection of Jo-lin Ct. and Valley View Rd. 45 Comment
  UCR16902  Silybum marianum Kirk Taylor 1976-5-29 76-5-29- 5 Riverside Fairmont Park, Riverside, W end of Lake Evans Comment
  UCR187074  Silybum marianum George K. Helmkamp, E. A. Helmkamp 2007-5-5 11941 El Dorado Foothills, Northern Sierra Nevada Mountains, along CA-49, 3.7 miles northwest of Placerville 549 Comment
  UCR192217  Silybum marianum A. C. Sanders, Fred M. Roberts 2008-5-6 35269 Orange Peninsular Range; Santa Ana Mtns., Lomas de Santiago, upper Limestone Canyon, 2.9 mi. NNW of El Toro 379 Comment
  UCR193795  Silybum marianum A. C. Sanders, Fred M. Roberts 2008-7-3 35695 Orange Peninsular Range; Santa Ana Mtns., Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir 285 Comment
  UCR202358  Silybum marianum Margaret R. Mulligan, Carolyn Martus 2008-4-18 2293 San Diego Camp Pendleton Marine Corps Base, San Onofre Creek area, Alpha Two Training Area, 0.25 mi south of Basilone Road, c. 0.5 mi east of San Onofre Mobile Home Park. Square D2 17 Comment
  UCR202909  Silybum marianum George K. Helmkamp, E. A. Helmkamp 2000-3-15 5343 San Luis Obispo Central Coast, south end of Morro Bay at the west end of Howard St in Los Osos 6 Comment
  UCR205117  Silybum marianum R. G. Swinney 2008-4-17 8679 Los Angeles San Gabriel Mtns., San Dimas, lower Shay Canyon 366 Comment
  UCR219918  Silybum marianum R. G. Swinney 2009-4-17 10396 Los Angeles Transverse Ranges; San Gabriel Mtns. Foothills, Azusa, San Gabriel Canyon wash, 0.1-0.5 mi. west of San Gabriel River Bike path parking lot, at Azusa Canyon Rd (Hwy 39), c. 0.6 mi. north of Sierra Madre Ave. 221 Comment
  UCR233038  Silybum marianum George K. Helmkamp, E. A. Helmkamp 2011-5-12 17261 Sutter Southern Sacramento Valley, along Catlett Road immediately west of the Placer County line, 1.65 mi. NE (20 deg. ) of Pleasant Grove 15 Comment
  UCR253160  Silybum marianum Jon P. Rebman, Warren Schmidtmann, G. Kenney 2013-5-1 26197 San Diego Camp Pendleton, central portion of Base, Training Area India, northeast of Basilone Road and east of Roblar Rd. Atlas Square: D5 125 Comment
  UCR255512  Silybum marianum Dan S. Cooper 2014-6-26 614- 33 Los Angeles Western Transverse Range; Eastern Santa Monica Mtns., Griffith Park, north end of Fern Dell picnic area near Western Canyon Rd. 205 Comment
  UCR256989  Silybum marianum George K. Helmkamp, Mary Alice Barnes 2013-5-17 20617 Amador Foothills, Northern Sierra Nevada Mountains, Stony Creek Road, 8.7 miles southwest of Jackson, 0.58 mi. NNE (07 deg. ) of Chrome Mountain 308 Comment
  UCR257034  Silybum marianum George K. Helmkamp, Mary Alice Barnes 2013-5-8 20521 Yolo Southern Sacramento Valley, Yolo Bypass Wildlife Area, 0.9 mile southeast of the junction of Chiles Road and I-80, between Sacramento and Davis 13 Comment
  UCR257137  Silybum marianum George K. Helmkamp, Amy Barnes 2014-3-21 22610 Sutter Sacramento Valley, Along CA-20 (Colusa Hwy), 0.3 mile west of South Tarke Road, 3.75 miles east of Meridian 13 Comment
  UCR272987  Silybum marianum R. G. Swinney 2011-4-26 14509 Los Angeles San Gabriel Mountains, Islip Canyon, tributary of San Gabriel Cyn., from Hwy 39 to 0.4 mile upstream, NE of Morris Reservoir 439 Comment
  UCR275488  Silybum marianum T. B. Salvato, Melissa Clemons 2005-6-9 1508 Riverside Peninsular Range, Gavilan Hills, E/W trending side canyon feeding into Walker Canyon, c. 0.3 mile northeast of Hwy 15 457 Comment
  UCR276955  Silybum marianum R. G. Swinney 2010-5-25 12908 Los Angeles San Gabriel Mountains, Placerita Canyon Natural Area, 0.1 mile east of Nature Center along Placerita Cyn. bottom 463 Comment
  UCR280554  Silybum marianum R. G. Swinney 2014-6-5 16725 Los Angeles San Gabriel Mountains, Glendora, 0.48 miles north of Sierra Madre Ave. at Rainbow Dr. 381 Comment
  UCR3287  Silybum marianum Heidi A. Haid 1964-5-15 64515- 9 San Bernardino San Bernardino Valley/San Bernardino Mtns. Foothills, Live Oak Canyon, c. 2 mi from Hwy 99 junction, SE of Redlands 549 Comment
  UCR3292  Silybum marianum Tom Painter 1964-5-5 5564- 01 San Bernardino San Bernardino Valley, near end of Tri-city Airport runway. 10 ft. east of Waterman Ave., 0.3 mi north of intersection of Waterman Ave. and U.S. Hwy 99 320 Comment
  UCR3358  Silybum marianum H. M. Whistler 1964-4-11 640411- 03 Los Angeles San Gabriel Valley, Side of road to Puddingstone Reservoir State Park, 0.3 mi from San Dimas City limit 244 Comment
  UCR4106  Silybum marianum Ronald M. Cope 1965-4-25 s.n. Orange N side of road between Elsinore and San Juan Capistrano, 5.3 mi NE of San Juan Capistrano Comment
  UCR48504  Silybum marianum Steve Boyd 1986-4-22 1726 Riverside Temescal Canyon, Walker Canyon area, where Temescal Creek (=Alberhill Creek) flows between Alberhill Mountain and Gavilan Hills 427 Comment
  UCR51050  Silybum marianum A. C. Sanders, B. Pitzer 1988-4-15 7780 San Bernardino San Bernardino Mtns. Foothills./San Bernardino Valley, Cajon Pass area, alluvial fan at the mouth of Devil Canyon. NW of San Bernardino State College, SW of benchmark 1750 500 Comment
  UCR55837  Silybum marianum J. A. Adams 1965-6-12 269 San Bernardino San Gabriel Mtns., Lytle Creek Rd, 0.25 mile below Glenn Ranch 957 Comment
  UCR57136  Silybum marianum Don Pendleton 1989-6-6 s.n. Santa Barbara Channel Islands, Santa Rosa Island, Becher's Bay area, just west of the barn along the road, south side of the road 61 Comment
  UCR61734  Silybum marianum George K. Helmkamp 1990-4-17 s.n. San Luis Obispo Avila Beach [near Sycamore Springs], San Luis Bay Drive and Avila Beach Drive 15 Comment
  UCR91853  Silybum marianum George K. Helmkamp 1996-5-24 1033 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  UCSB10196  Silybum marianum Stoppel, Gordon 1958-3-31 Santa Barbara Tucker's Grove, near Goleta Comment
  UCSB14639  Silybum marianum Breedlove, Dennis 1962-4-25 Santa Barbara Along the Alamo Pintado Creek from 7-8 mile north of Los Olivos; base of Figueroa Mountain, Birabent Canyon, San Rafael Range 426 Comment
  UCSB28201  Silybum marianum Howald, Ann 1971-2-20 Santa Barbara Refugio Canyon, 18.5 miles north of Santa Barbara 30 Comment
  UCSB38934  Silybum marianum Whitmore, S. 1980-4-30 Santa Barbara Southwest of intersection of Storke Road and El Colegio, and adjacent to Isla Vista, on northern portion of West Campus, UCSB; 20 yards southwest of Child Training Center (Fenita Hall) Comment
  UCSB38941  Silybum marianum Whitmore, S. 1980-4-30 Santa Barbara Southwest of intersection of Storke Road and El Colegio, and adjacent to Isla Vista, on northern portion of West Campus, UCSB; 20 yards southwest of Child Training Center (Fenita Hall) Comment
  UCSB39281  Silybum marianum Ferren, Wayne 1979-4-9 Santa Barbara Adjacent to northern margin of Carpinteria Salt Marsh, ca. 600 m W of Apple Rd., Carpinteria Comment
  UCSB40174  Silybum marianum Steele, Kelly 1982-5-13 Santa Barbara More Mesa; along the Pacific Ocean, south of Atascadero Creek, adjacent to and west of Hope Ranch Park, ca. 3 km. southeast of Goleta; (near gate, entrance road, area 3b) 10 Comment
  UCSB49503  Silybum marianum Ferren, Wayne 1983-5-7 Santa Barbara La Purisima Mission State Historic Park. 2 km NE of Lompoc City Limit; near cistern on east valley road Comment
  UCSB67932  Silybum marianum Walden, Chris; McCleister, Deborah; Hill, Sandy 2013-4-21 Santa Barbara Arroyo Hondo Preserve, E side of main road at first gate 14 Comment
  UCSB71842  Silybum marianum Burgess, Rick 1985-5-3 Ventura McCrea Wildlife Preserve. East side of Norwegian Grade, Thousand Oaks. 323 Comment
  UCSB7426  Silybum marianum Philbrick, Ralph 1954-10-24 Riverside 4 miles south of Chino Institute 213 Comment
  UCSB7427  Silybum marianum Jones, Barbara 1946-5-2 Santa Barbara About 1/10 miles south of Modoc Rd. and Las Positas Rd. junction; Hope Ranch Park, Santa Barbara Comment
Read comments
May 8 2014
  UCSB9980  Silybum marianum Nowell, J. 1958-3-30 Santa Barbara Roadside of San Roque Road 1/2 miles N. E. of Foothill Road (HWY 150). Comment
  UCSC000738  Silybum marianum H. A. Walker 2007-5-29 601 Alameda U.C. Campus near North Hall U.C. Campus, North Hall - Vicinity of Berkeley Comment
  CAS-BOT-BC364793  Silybum marianum A. A. Heller 1923-10-13 13831 Butte At Chico Comment
  CAS-BOT-BC364794  Silybum marianum F. E. Blaisdell, M. D. No date on label s.n. Calaveras Mokelumne Hill Comment
  CAS-BOT-BC364795  Silybum marianum Walter Knight; Bob Doyle; Wayne Roderick; Steve Edwards 1978-9-19 3252 Contra Costa Browns Island. South Landing Comment
  CAS-BOT-BC364796  Silybum marianum Carl D. Duncan 1920-8-25 367 Del Norte Requa Comment
  CAS-BOT-BC364801  Silybum marianum A. H. Gallup 1949-7-17 s.n. Los Angeles On southeast slope of Tallac Knoll, LASCA Comment
  CAS-BOT-BC364803  Silybum marianum Betty H. Johnson 1958-6-15 643 Napa 1/4th mi. above Mt. Mill House, 6.4 mi S.-W. of Middletown Comment
  CAS-BOT-BC364804  Silybum marianum R. E. Frenkel 1963-10-27 300 Napa On embankment of Conn Creek Road at junction with Oakville Cross Road Comment
  CAS-BOT-BC364805  Silybum marianum Gordon H. True 1969-5-23 4980 Nevada Dry Creek just east of county line and 1 1/2 miles west of Spenceville (site) 95 Comment
  CAS-BOT-BC364807  Silybum marianum Ynez Whilton Winblad 1937-4-9 s.n. San Benito Panoche Comment
  CAS-BOT-BC364811  Silybum marianum L. E. Smith 1913-5-24 275 Shasta Cottonwood Comment
  CAS-BOT-BC364812  Silybum marianum Saichi Kawahara 1968-3-23 44 Solano Fry Road between Lewis Road and Clark Road near small bridge 24 Comment
  CAS-BOT-BC364813  Silybum marianum Peter Rubtzoff 1951-7-21 479 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC364814  Silybum marianum Peter Rubtzoff 1951-7-21 479 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC364815  Silybum marianum W. D. Hamilton 1946-4-19 s.n. Yolo 5 miles No. of Davis, edge of rice field along SpR.R. Comment
  CAS-BOT-BC364816  Silybum marianum Cherie L. Wetzel 1968-5-9 410 Alameda Niles Canyon and Vicinity. Old Niles Canyon Road Comment
  CAS-BOT-BC364817  Silybum marianum Cherie L. Wetzel 1967-6-14 002 Alameda Niles Canyon and Vicinity Comment
  CAS-BOT-BC364818  Silybum marianum Jean L. Pawek 1964-9-1 615 Alameda Skyline Blvd. 152 Comment
  CAS-BOT-BC364819  Silybum marianum Paul F. Covel 1940-5-23 1783 Alameda Oakland Hills Comment
  CAS-BOT-BC364820  Silybum marianum Geo. Hansen 1893-6-1 390 Amador Pine Grove 762 Comment
  CAS-BOT-BC364821  Silybum marianum Alice Eastwood 1921-3-19 10154 Amador Ione Comment
  CAS-BOT-BC364822  Silybum marianum Ward Woody 1967-5-17 s.n. Kern Ward Woody Ranch, Greenhorn Range 762 Comment
  CAS-BOT-BC364823  Silybum marianum Ernest C. Twisselmann 1965-4-21 10556 Kern Tehachapi Mountains. Tejon Canyon 838 Comment
  CAS-BOT-BC364824  Silybum marianum Ernest C. Twisselmann 1953-8-17 710 Kern Temblor Range and the Western San Joaquin Valley. In Buena Vista Slough, 5 miles southeast of Lost Hills 76 Comment
  CAS-BOT-BC364825  Silybum marianum Ernest C. Twisselmann 1955-6-4 2075 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Canal, 2.5 miles southeast of Lost Hills 94 Comment
  CAS-BOT-BC364826  Silybum marianum Ernest C. Twisselmann 1955-6-4 2075 Kern Temblor Range and the Western San Joaquin Valley. Buena Vista Canal, 2.5 miles southeast of Lost Hills 94 Comment
  CAS-BOT-BC364827  Silybum marianum Javier Penalosa 1961-6-7 1667 Marin Tiburon Peninsula. Northwest of Marin Country Day School Comment
  CAS-BOT-BC364828  Silybum marianum Javier Penalosa 1961-5-30 1536 Marin Tiburon Peninsula. Near Tiburon Blvd. ca. 50 yds. west of Blakefield Drive Comment
  CAS-BOT-BC364830  Silybum marianum Peter H. Raven; Michael P. Johnson 1967-5-2 21278 Marin Angel Island. In East Garrison and North Garrison, northeast side of island 38 Comment
  CAS-BOT-BC364831  Silybum marianum Gladys L. Smith 1979-5-24 5355 Mendocino Junction, Route 1 & Route 429, Branscomb Road 15 Comment
  CAS-BOT-BC364835  Silybum marianum Beatrice F. Howitt 1955-5-28 407 Monterey Santa Lucia Mountains. Along foothill road from Salinas River Bridge to Soledad, about opposite Gonzales but on west side of river Comment
  CAS-BOT-BC364836  Silybum marianum Jeanette Carpenter 1983-6-6 273 Monterey South Fork Devil's Canyon, Santa Lucia Mountains. Ridge between Middle and South Forks of Devil's Creek 1066 Comment
  CAS-BOT-BC364837  Silybum marianum Saichi Kawahara 1969-5-27 1053 San Francisco East of service road, east of the Conservatory, Golden Gate Park, San Francisco Comment
  CAS-BOT-BC364838  Silybum marianum J. H. Thomas 1958-5-13 7172 San Francisco San Francisco. Western end of Golden Gate Park near the Sloop Gjoa. Area about sea level Comment
  CAS-BOT-BC364839  Silybum marianum Peter H. Raven 1949-6-12 821 San Francisco Persedio [Presidio] 91 Comment
  CAS-BOT-BC364840  Silybum marianum Peter Rubtzoff 1956-5-17 2423 San Francisco San Francisco. Area at 37th Ave. near Rivera Street Comment
  CAS-BOT-BC364843  Silybum marianum Peter Rubtzoff 1957-4-6 3203 San Francisco San Francisco. San Miguel Hills. Bottom of canyon east of O'Shaughnessy Blvd. Comment
  CAS-BOT-BC364844  Silybum marianum Nora Pettibone 1894-6-3 s.n. San Francisco San Francisco Presidio Comment
  CAS-BOT-BC364845  Silybum marianum John Thomas Howell 1956-4-28 31301 San Francisco Slopes east of Lake Merced, San Francisco Comment
  CAS-BOT-BC364849  Silybum marianum Ernest C. Twisselmann 1959-5-23 5276 San Luis Obispo Point Buchon 10 Comment
  CAS-BOT-BC364850  Silybum marianum Ernest C. Twisselmann 1959-5-23 5276 San Luis Obispo Point Buchon 10 Comment
  CAS-BOT-BC364851  Silybum marianum John Thomas Howell 1964-6-29 40773 San Luis Obispo Cambria Comment
  CAS-BOT-BC364852  Silybum marianum Clare B. Hardham 1957-4-19 1682 San Luis Obispo Santa Lucia Mountains. V 2 Ranch, York Mt. Comment
  CAS-BOT-BC364853  Silybum marianum W. R. Dudley 1893-6-8 s.n. San Mateo Santa Cruz Peninsula. Cedro Cottage, Stanford University Comment
  CAS-BOT-BC364854  Silybum marianum Elizabeth McClintock; Carlyn Halde; Walter Knight; Walter Knight 1963-6-23 s.n. San Mateo San Bruno Mountain. Lower part of Colma Canyon Comment
  CAS-BOT-BC364855  Silybum marianum W. Knight; I. Knight 1964-5-4 s.n. San Mateo San Bruno Mountain. Crocker Hills Comment
  CAS-BOT-BC364856  Silybum marianum Robert Robertson 1954-4-14 76 San Mateo N.W. of Palo Alto Yacht Club 3 Comment
  CAS-BOT-BC364857  Silybum marianum George Oberlander 1949-7-24 257 San Mateo San Francisco Watershed Reserve. On Sawyer Ridge Comment
  CAS-BOT-BC364858  Silybum marianum W. R. Dudley 1893-6-8 s.n. San Mateo Santa Cruz Peninsula. Cedro Cottage, Stanford University Comment
  CAS-BOT-BC364859  Silybum marianum Ned Cahill 1974-7-14 356 San Mateo Near the intersection of Canada and Edgewood roads, about 3 mi westward from Redwood City Comment
  CAS-BOT-BC364860  Silybum marianum J. H. Thomas 1949-5-25 562 San Mateo Near western approach to the Dumbarton Bay Bridge Comment
  CAS-BOT-BC364861  Silybum marianum Ira W. Clokey 1930-6-4 5115 Santa Barbara Santa Barbara Islands. Scorpion. Santa Cruz Island Comment
  CAS-BOT-BC364862  Silybum marianum L. R. Abrams; I. L. Wiggins 1930-4-26 127 Santa Barbara Santa Cruz Island. Vicinity of Prisoner's Harbor Comment
  CAS-BOT-BC364863  Silybum marianum Henry M. Pollard 1958-5-2 s.n. Santa Barbara Sycamore Canyon, Santa Barbara Comment
  CAS-BOT-BC364865  Silybum marianum Ralph N. Philbrick 1964-7-13 B 64296 Santa Barbara California Channel Islands. Ridge Road about one mile west-southwest of Stanton ranch house. Santa Cruz Island 243 Comment
  CAS-BOT-BC364866  Silybum marianum Robert Martineau 1974-4-27 114 Santa Clara Foothills Park, City of Palo Alto. Foothills of the eastern side of the Santa Cruz Mountains. Five miles south of center of Palo Alto. Sunrise Trail 548 Comment
  CAS-BOT-BC364867  Silybum marianum Robert Martineau 1974-5-4 138 Santa Clara Foothills Park, City of Palo Alto. Foothills of the eastern side of the Santa Cruz Mountains. Five miles south of center of Palo Alto. North of the Park Entrance 548 Comment
  CAS-BOT-BC364868  Silybum marianum J. H. Thomas 1953-5-1 3039 Santa Clara Stanford University Campus, near Natural History Museum Comment
  CAS-BOT-BC364870  Silybum marianum Daniel Cohen 1953-4-25 39 Santa Clara Near intersection of Alum Rock and Mt. Hamilton Roads Comment
  CAS-BOT-BC364871  Silybum marianum Josephine D. Randall 1907-6-4 95 Santa Clara Santa Cruz Peninsula. Foothills near Stanford University Comment
  CAS-BOT-BC364872  Silybum marianum A. D. E. Elmer 1903-6-1 5003 Santa Clara Loma Prieta Peak Comment
  CAS-BOT-BC364873  Silybum marianum Ira L. Wiggins 1928-6-5 2966 Santa Clara Back of Stock Farm, Stanford University Campus Comment
  CAS-BOT-BC364875  Silybum marianum W. H. Rich 1912-3-1 s.n. Santa Cruz Santa Cruz Peninsula. Swanton Comment
  CAS-BOT-BC364876  Silybum marianum Josephine D. Randall 1907-6-4 95 Santa Clara Santa Cruz Peninsula. Foothills near Stanford University Comment
  CAS-BOT-BC364877  Silybum marianum Lowell Ahart 1982-5-30 3521 Sutter About 3/4 mile south of the Myers home, Myers Ranch, Sutter Buttes 50 Comment
  CAS-BOT-BC364878  Silybum marianum Lowell Ahart 1981-5-18 2812 Sutter South Butte, Sutter Buttes. On the south side of the South Butte 100 Comment
  CAS-BOT-BC364879  Silybum marianum Lowell Ahart 1977-5-19 s.n. Sutter South Butte, Sutter Buttes 150 Comment
  CAS-BOT-BC364880  Silybum marianum Ernest C. Twisselmann 1969-5-9 15238 Tulare Yokohl Valley Road at Franklin Creek 234 Comment
  CAS-BOT-BC364882  Silybum marianum Mrs. W. J. Williamson 1919-5-21 138 Tuolumne On Bear Creek 304 Comment
  CAS-BOT-BC364883  Silybum marianum Mrs. W. J. Williamson 1919-5-21 138 Tuolumne On Bear Creek 304 Comment
  CAS-BOT-BC364884  Silybum marianum Ira L. Wiggins 1971-5-31 21433 Tuolumne Along Algerine Road about 1 mi SE of Algerine village Comment
  CAS-BOT-BC364885  Silybum marianum Ira L. Wiggins 1971-5-31 21433 Tuolumne Along Algerine Road about 1 mi SE of Algerine village Comment
  CAS-BOT-BC364886  Silybum marianum Henry M. Pollard 1945-5-19 s.n. Ventura Ventura River Basin. Sulphur Mt. Road Comment
  CATA2802  Silybum marianum Robert F. Thorne, G. Wallace, M. Hoefs 1977-4-28 48803 Santa Barbara Santa Rosa Island: Weedy bottom of Box Canyon 76 Comment
  CDA37699  Silybum marianum Breckenridge/Filippini 2006-5-15 s.n. Yolo Near Madison, along Highway 16. 0 Comment
  CDA7654  Silybum marianum Bill Morgan 1973-6-25 Yolo 0 Comment
  CDA7655  Silybum marianum T. Hobbs 1974-4-18 Ventura Bottom of spillway of Lake Casitas Dam, north of Ventura. 0 Comment
  CDA7656  Silybum marianum G. D. Barbe 1985-5-7 4223 Solano Liberty Island Road south of Davis. 0 Comment
  CDA8695  Silybum marianum G. D. Barbe 1985-5-7 4224 Solano Liberty Island Road south of Davis. 0 Comment
  CLARK-A1528-2199  Silybum marianum Robin L. Kobaly 1972-5-17 RLK 720517 Los Angeles San Gabriel Mountains 304 Comment
  HSC6177  Silybum marianum D. E. Anderson 1961-9-13 1811 Humboldt Trinidad Beach Comment
  HSC83798  Silybum marianum Gladys L. Smith 1979-5-24 5355 Mendocino Junction, Rte. 1 and Rte. 429, Branscomb Rd. 15 Comment
  IRVC27889  Silybum marianum A. C. Sanders, Mark A. Elvin 2005-4-22 29659 San Diego Batiquitos Lagoon Ecological Reserve, N side of lagoon, E of I-5 fwy, along trail passt the nature center. Southern Coastal 0 Comment
  IRVC27920  Silybum marianum Jon P. Rebman, J. Walker, J. Schlacter, K. Collins 2003-5-3 8792 San Diego Otay Mtn Wilderness Area: just N of the USA/Mexico border; vicinity of Wild Bill's Draw; San Diego Plant Atlas grid V15. Peninsular Ranges, San Ysidro Mountains 330 Comment
  JEPS30512  Silybum marianum Donald Kyhos 1958-5-23 58 -191 Los Angeles Turnbull Canyon , Turnbull Canyon (Whittier) Comment
  JEPS59180  Silybum marianum James G. Daly 1934-1 461 San Mateo San Gregorio watershed , San Gregorio watershed (Santa Cruz Mts.) Comment
  LA201557  Silybum marianum Arthur C. Gibson; 2001-6-4 4138 Ventura Comment
  OBI15472  Silybum marianum Robert F. Hoover 1964-7-9 9124 San Luis Obispo Santa Margarita, along railways Comment
  OBI15473  Silybum marianum P. J. Justen 1966-4-29 18 San Luis Obispo W side of Cal Poly's swine unit Comment
  OBI15475  Silybum marianum S. Patterson 1966-5-14 15 San Luis Obispo In Halcyon near the crk Comment
  OBI15476  Silybum marianum Bill Arbaugh 1966-5-28 37 Ventura Ventura river delta Comment
  OBI17417  Silybum marianum Lynne D. Althouse 1977-5-22 94 San Luis Obispo Wolfe's Horse ranch near San Luis High School Comment
  OBI27560  Silybum marianum Kathy Rilling 1976-5-10 68 San Luis Obispo Roadside on Higuera Cemetary, SLO Comment
  OBI32999  Silybum marianum David J. Keil, Malcolm McLeod, and CNPS Rare plant committee 1983-5-1 16964 San Luis Obispo Ridge system and coastal terr between Arroyo de la Cruz and Arroyo de los Chinos. 1/2 mi N of bridge Comment
  OBI35837  Silybum marianum Allison Berry 1984-3-30 61 San Luis Obispo Camp San Luis Shooting Facility. 6.5 mi N of San Luis Obispo on hwy 1 Comment
  OBI3763  Silybum marianum Elizabeth Rudd 1971-5-23 271 San Luis Obispo None given 274 Comment
  OBI51894  Silybum marianum A. C. Sanders & B. Pitzer, B. Pitzer 1988-4-15 7780 San Bernardino Cajon Pass area, Devil Cyn, NW of San Bernardino State college, SW of bench mark 1750 (T1N, R4W, sec 6) 500 Comment
  OBI51924  Silybum marianum Tony Simon 1994-5-10 21 Los Angeles Santa Monica Mts, Stunt rd, 1 mi S of Mulholland Rd 183 Comment
  OBI53841  Silybum marianum Arthur W. Hazebrook 1993-5-23 203 San Luis Obispo Nipomo Dunes Complex, Riparian corridor along N base of Big Coreopsis Hill Comment
  OBI57401  Silybum marianum David J. Keil 1997-5-16 26304 Madera San Joaquin Experimental Range. Comment
  OBI64360  Silybum marianum Margaret Przybylski, Margaret Thompson 2004-4-9 163 Alameda The Oakland Zoo, E of main parking lot in rolling hills 123 Comment
  OBI73041  Silybum marianum David J. Keil, with Malcolm McLeod, Corky Matthews, Ron Branson, Lela and Bernard Burdette, Craig Cunningham, Clare Hardham 1995-6-27 25440 San Luis Obispo West Cuesta Ridge at east end of botanical area Comment
  OBI7358  Silybum marianum Mark Fresh 1976-3-2 20 San Luis Obispo At entrance to See Cyn Rd, underneath stop sign Comment
  OBI7754  Silybum marianum Mike Griffin 1976-4-20 21 Santa Barbara Cat Cyn Comment
  OBI77672  Silybum marianum Bruce Weiland 1970-11-25 17 San Luis Obispo Price Cyn near the rd Comment
  OBI8143  Silybum marianum Lewis Meltz 1977-4-9 LM 29 Los Angeles Along rd cut of old Mt Wilson toll rd 2 km E ofeaon Cyn bridge 488 Comment
  PGM5504  Silybum marianum Beatrice F Howitt 1955-5-24 0407 Monterey Salinas Valley, Soledad, Along Foothill road to Soledad Comment
  PGM919  Silybum marianum Helen Lind 1971-5-25 Monterey Santa Lucia Mountains, Carmel Valley San Carlos Ranch Rd, Carmel River bridge @ Comment
  POM199832  Silybum marianum I. W. Clokey 1930-6-4 5115 Santa Barbara Santa Cruz Island, river falt near mouth Comment
  POM289627  Silybum marianum Lyman Benson 1933-6-15 4455 Santa Clara Dumbarton Bridge, San Francisco Bay watershed. 6 Comment
  POM6151  Silybum marianum I. M. Johnston 1917-5-13 1025 Los Angeles El Monte 84 Comment
  RSA0021448  Silybum marianum Freda Detmers 1933-6-4 s.n. Los Angeles Harbor at San Pedro Comment
  RSA0030673  Silybum marianum Bruce Kittess 1954-4-29 S.N. Unknown None given. Comment
  RSA0030674  Silybum marianum L. Haines 1951-4-25 S.N. San Luis Obispo San Luis Obispo. 91 Comment
  RSA0030675  Silybum marianum Carol Haines 1964-4-26 S.N. Santa Barbara Summit of Refugio Pass. 687 Comment
  RSA0030676  Silybum marianum L. Haines 1951-4-28 S.N. San Luis Obispo San Luis Obispo. Comment
  RSA0030677  Silybum marianum W. M. Arbaugh 1968-4-28 197 San Luis Obispo See Canyon, at the top. Comment
  RSA0030678  Silybum marianum Bruce Kittess 1954-4-29 S.N. Los Angeles Canoga Park. 244 Comment
  RSA0093433  Silybum marianum Bonnie C. Templeton 1957-6-27 s.n. Marin Bolinas Ridge. Comment
  RSA0100071  Silybum marianum Jessica Orozco 2014-4-4 505 Tulare Tule River Indian Reservation, off main Reservation road, past the pavement, at the top of the ridge of the first switch back. 658 Comment
  RSA132892  Silybum marianum Simon Simonian 1954-5-15 24151 A Fresno Dry Creek Canal, east-west section along North Ave about 2.5 miles west of Cornelia Ave. 100 yards west of Dry Creek Canal crossing of North Ave. About eight m. southwest of Fresno. Main canal. Comment
  RSA188708  Silybum marianum R. F. Thorne, Percy C. Everett 1965-6-24 35047 Los Angeles Santa Catalina Island, above pond impounded behind dam in lower Cottonwood Canyon Comment
  RSA209655  Silybum marianum R. N. Philbrick, D. W. Ricker 1969-3-15 B 69 -48 Santa Barbara Bottom of middle-lower Cliff Canyon, Santa Barbara Island Comment
  RSA250687  Silybum marianum R. F. Thorne 1971-3-31 41460 Los Angeles Johnson's Pastures, N of Mountain Ave., Claremont. 549 Comment
  RSA473573  Silybum marianum B. C. Templeton 1962-6-24 s.n. Contra Costa On the road to Mt. Diablo. Comment
  RSA473574  Silybum marianum Robert Gustafson 1981-5-13 2213 Los Angeles Ballona Wetlands, area 1 Comment
  RSA473582  Silybum marianum Glenn A. Gorelick 1966-5-3 s.n. Yolo C Street and 2nd Street, Davis. Comment
  RSA473584  Silybum marianum F. H. Elmore 1938-8-2 264 Santa Barbara Prisoners Harbor, Santa Cruz Island Comment
  RSA473586  Silybum marianum Malcolm M. Rice 1924-7-10 1953 Santa Barbara Near Veronica Springs Road Comment
  RSA483730  Silybum marianum Richard Noyes, Laurel Arnseth 1988-4-30 526 Los Angeles Claremont. Foothills of the San Gabriel Mountains. Dry drainage bed 100 meters east of Thompson Creek Dam. 500 Comment
  RSA523171  Silybum marianum Timothy S. Ross 1991-2-23 4116 Los Angeles Whittier Hills (Puente Hills), upper Turnbull Canyon, 1/4 air mile W of Turnbull Canyon road x Skyline Drive in heavily disturbed drainage area. 252 Comment
  RSA527701  Silybum marianum Timothy S. Ross, Annette Ross 1991-6-3 5524 Los Angeles Elephant Hill: West Pomona 230 Comment
  RSA601543  Silybum marianum L. C. Wheeler 1967-7-6 9942 Los Angeles San Gabriel Mountains: San Gabriel Canyon, El Encanto. 259 Comment
  RSA60287  Silybum marianum S. L. Armstrong 1948-5-5 s.n. Los Angeles Los Angeles, in meadow, S of Chino Comment
  RSA606159  Silybum marianum L. C. Wheeler 1969-10-12 s.n. San Bernardino Muscupiabe: 1/4 mile south of Glen Helen Park Comment
  RSA642969  Silybum marianum D. L. Banks 1999-5-27 2331 San Diego NW Palomar Mountains, Agua Tibia Mountains: Pala Indian Reservation. North of the San Luis Rey River, just east of Pala Creek, north of Pala Mission Rd. 109 Comment
  RSA647891  Silybum marianum Mark Breidenbaugh, Caralisa Breidenbaugh 1992-5-1 12 Orange 1/2 mile south of Chino Hills State Park. 198 Comment
  RSA652709  Silybum marianum Phillip Robinson 1991-5-9 349 Los Angeles Sycamore Canyon, 0.25 miles south of intersection of Beverly Blvd. & Workman Mill. 0.5 ml [miles] east of Workman Mill on trail into canyon. [ City of Industry, SW of Rio Hondo College, E of 605 Fwy] Comment
  RSA652800  Silybum marianum Jim Reutzel 1994-5-29 145 Los Angeles Open areas north of the Cal Poly letters on more or less flat ground. Off road above Forest Lawn, Covina. Hills behind Cal Poly Pomona University. Comment
  RSA654330  Silybum marianum Benjamen Rangel 1992-5-10 777 -41 Los Angeles In the avocado orchard behind the dormitories at Cal Poly Pomona; in the back side of the orchard by the freeway fence and the water drainage. Comment
  RSA654725  Silybum marianum Scott Lowe 1991-5-7 20 Los Angeles San Gabriel River channel, about 300 m. north of San Gabriel River Parkway bridge, city of Pico Rivera. Comment
  RSA656973  Silybum marianum Patricia Kouo 1994-5-13 945129 Los Angeles 3 miles south of I-10, and 1 mile north of I-60. On the west side of Rosemead Blvd., at the most south lake. Comment
  RSA719100  Silybum marianum Naomi Fraga, Jorge Arriaga 2002-4-28 81 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. S slope near bottom of Box Canyon. Comment
  RSA719130  Silybum marianum Naomi Fraga 2001-5-27 50 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. UTM: 3768679N 423253E. Comment
  RSA719135  Silybum marianum Naomi Fraga 2001-5-11 38 Los Angeles California State Polytechnic University, Pomona. Voorhis Ecological Reserve. Comment
  RSA721111  Silybum marianum Pomeroy 1929-5-5 119 San Bernardino Greenville Comment
  RSA785939  Silybum marianum Doris Bowers 1972-7-7 1864 Los Angeles Palos Verdes Pen., field N/o Ridgecrest School Comment
  RSA94828  Silybum marianum F. W. Peirson 2134 Los Angeles Laurel Canyon, Santa Monica Mts. Comment
  SBBG133716  Silybum marianum S. A. Junak 2000-5-23 SN- 1545 Ventura S of airfield runways, S of access rd to Bldg 121, ca. 0.5 mi E of Monroe Rd 152 Comment
  SBBG27949  Silybum marianum W. R. Dudley 1893-6-8 Santa Clara Cedro Cottage, Stanford University Comment
  SBBG31396  Silybum marianum R. F. Thorne with P. C. Everett 1965-6-24 35047 Los Angeles above pond impounded behind dam in lower Cottonwood Cyn Comment
  SD104851  Silybum marianum Darley Howe 1979-6-18 5094 Ventura Canyon 15.7 miles south of Santa Barbara Comment
  SD251680  Silybum marianum M. B. Dunkle 1939-8-12 8539 Santa Barbara Santa Cruz Island, Prisoner's Harbor Comment
  SD26533  Silybum marianum Frank F. Gander 1940-3-28 7934 San Diego Monument Comment
  SDSU519  Silybum marianum James H. III Harrell 1987-4-29 29 IV87A San Diego Floodplain between El Camino Del Norte and Encinitas Blvd. in Olivenhain, near terminus of Meadowmist Ln. Comment
  SDSU520  Silybum marianum D. F. Howe 1979-6-18 5094 Ventura Canyon 15.7 mile south of Santa Barbara. Comment
  SEINET10314028  Silybum marianum Unknown 1952-6-17 Alameda Hayward Comment
  SEINET10760840  Silybum marianum Jacob A. Drushel 1915-8-8 Drushel s.n. San Francisco near Cliff House Comment
  SEINET10760841  Silybum marianum W. C. Muenscher, M. W. Muenscher 1939-4-10 Muenscher 15008 Tehama a weed in field, Corning Comment
  SEINET10760843  Silybum marianum Bonnie C. Templeton 1962-6-24 Templeton s.n. Contra Costa on the road to Mt. Diablo Comment
  SEINET10760847  Silybum marianum E. E. Stanford 1928-5-10 Stanford 945 San Joaquin Stockton, in waste land Comment
  SEINET10760848  Silybum marianum Adolph D. E. Elmer Elmer 5003 Santa Clara Loma Prieta Peak Comment
  SEINET10808445  Silybum marianum David B. Dunn, Katherine L. Morris; Douglas G. LeDoux 1973-6-10 Dunn 20713 Santa Barbara Coll. 1/2 mi. NE of Refugio Beach State Park. Near a stock loading pen. Along a small stream and along the roadside. 8 Comment
  SEINET10813257  Silybum marianum Delzie Demaree 1932-5-18 Demaree 9157 Santa Clara Palo Alto Comment
  SEINET11802275  Silybum marianum L. K. Henry 1971-1 s.n. Del Norte 3 mi N of Klanath River Junction Comment
  SEINET11802276  Silybum marianum S. B. Parish, Parish, W. F. 1881-1 836 Unknown San Mateo Comment
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Sep 20 2019
  SEINET11802277  Silybum marianum Unknown 1932-1 9157 Santa Clara Palo Alto Comment
  SEINET11802278  Silybum marianum E. H. Graham 1931-1 6827 Marin camp near Blacksmith Shop, Pt. Reyes Comment
  SEINET11807289  Silybum marianum F. H. Utech 1986-1 86 -127 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  SEINET11807871  Silybum marianum Unknown 1982-1 636 Tehama Vina Plains Preserve, 0.5 km E of jct of Hwy 99 & Lassen Rd 66 Comment
  SEINET209883 Image available Silybum marianum C. R. Gunn 1963-5-31 2644 Santa Clara 0.8 miles east of Gilroy Country Club entrance on California 152. Comment
  SEINET4015801 Image available Silybum marianum B. C. Templeton 1962-1 sn Contra Costa On the road to Mt. Diablo. Comment
  SEINET5571531  Silybum marianum H. S. Gentry, S. Koch 1962-1 19786 Butte Near Richvale. Comment
  SEINET7882519 Image available Silybum marianum Jean Coulson 1959-1 s.n. Orange Santa Anna Mts.; 2.1 mi. E. on Esperanz Road from Orangethorpe. On S. side of road. Comment
  SEINET7883390 Image available Silybum marianum Laura Zeller 1965-1 61 San Joaquin Ca. .5 mile E of intersection of Davis Road and 8-mile Road on 8-mile Road. Comment
  SFV5040  Silybum marianum B. C. Templeton 1957-6-27 s. n. Marin Bolinas Ridge. Comment
  UC195651  Silybum marianum Ira J. Condit 1913-1 Unknown Comment
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Oct 17 2016
  UC36202  Silybum marianum Geo. Hansen 1892-1 Amador Comment
  UC36203  Silybum marianum Prof. Brewer 1862-1 485 Unknown Comment
  UC520010  Silybum marianum Joseph Andorfer Ewan 1932-4-30 7440 Los Angeles Culver City Comment
  UC63134  Silybum marianum H. M. Hall May 1902 3167 Ventura Comment
  UCD133872  Silybum marianum Frederica Bowcutt 1987-5-28 997 Mendocino Sinkyone Wilderness State Park. Mouth of Jackass Creek at the end of Wheeler Road. 0 Comment
  UCD135827  Silybum marianum Perry S. Allen 1969-4-16 189 Stanislaus below Highway 132, 1.5 miles west of La Grange. Comment
  UCD135829  Silybum marianum L. Angst 1917-3-3 4 Alameda Leona Heights. Comment
  UCD135831  Silybum marianum L. Angst 1917-3-3 4 Alameda Leona Heights. Comment
  UCD135837  Silybum marianum B. Crampton 1959-12-3 s.n. Yolo Agronomy, UC Davis Campus. Comment
  UCD135838  Silybum marianum Alan P. Godlewski 1974-4-27 s.n. ` Yolo south of Environmental Horticulture on the UC Davis campus. Comment
  UCD135839  Silybum marianum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 049 -A Sonoma near unused barn by Sea Ranch Lodge. Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD135841  Silybum marianum Janet Jacob 1951-4-22 65 Yolo on north side of Putah Creek west of Stevenson's Bridge. Comment
  UCD135842  Silybum marianum Kathleen Keliher 1975-5-31 126 Yuba upper H-2 project area, Sierra Foothill Field Station. Comment
  UCD135845  Silybum marianum Mannix Mendoza Date unknown 21 Santa Clara 1.25 miles se reservoir between trail and creek. Comment
  UCD135847  Silybum marianum R. Molholm 1998-6-5 30 Yolo western side of UC Davis campus, across dirt road from the hydrology laborator, along fence just outside of Putah Creek reserve. 21 Comment
  UCD135848  Silybum marianum Gerry North 1993-4 55 Sonoma 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. On Vista trail 1/2 mile NE of fork with Bald Mountain trail. Sugarloaf Ridge State Park. 556 Comment
  UCD135870  Silybum marianum Bob Rodin 1943-5-14 199 Alameda UC Berkeley. Strawberry Canyon. Comment
  UCD135871  Silybum marianum Bob Rodin 1943-7-24 289 Alameda UC Berkeley. Strawberry Canyon. On southern slope west of Botanical Garden. Comment
  UCD135872  Silybum marianum A. C. Sanders; B. Pitzer 1988-4-15 7780 San Bernardino Cajon Pass area, at the mouth of Devil Canyon, northwest of San Bernardino State College, southwest of benchmark 1750. 499 Comment
  UCD135877  Silybum marianum James P. Smith; Advanced Plant Taxonomy Class 1973 1973-5-26 6872 Humboldt Scotia Bluffs along the Eel River near Rio Dell. Comment
  UCD135880  Silybum marianum Robert F. Thorne 1971-3-31 41460 Los Angeles San Gabriel Mts. Johnson's Pastures, north of Mountain Ave., Claremont. 548 Comment
  UCD135881  Silybum marianum Collector Unknown Date Unknown s.n. Unknown County Unknown: exact location unknown. Comment
  UCSB10195  Silybum marianum Gray, Caroline 1956-4-23 Santa Barbara Refugio Canyon 26 mi. west of Santa Barbara Comment
  UCSB11263  Silybum marianum Hayes, Judy 1961-2-20 Santa Barbara 4 miles N of Goleta on Fairview Ave. Comment
  UCSB18708  Silybum marianum Barrick, Linda 1963-4-11 Santa Clara Land of Neary Enterprises, 6 miles W of U.S. Highway 101, Los Altos Hills 518 Comment
  UCSB18776  Silybum marianum Gates, C. 1963-4-20 Santa Barbara Old San Marcos Pass Road, 0.5 mile N of Cathedral Oaks Road, N of Goleta 152 Comment
  UCSB30826  Silybum marianum Coz, Susan 1977-5-7 Ventura About 175 yds behind n. west end Dennison Park; 8.5 miles east on Hwy 150 from where Hwy 150 meets Hwy 33 in Ojai 365 Comment
  UCSB31528  Silybum marianum Sheeba, J. 1977-6-3 Ventura Along Highway 23, 1.9 miles north of its junction with Broadway 121 Comment
  UCSB34652  Silybum marianum Swanson, D. 1977-3-13 Santa Barbara North of parking lot #13 on the U.C.S.B. campus 12 Comment
  UCSB41878  Silybum marianum Stephens, Tim 1980-4-17 Santa Barbara Between the ocean and Highway 101, 0.6 mile north of Hollister Avenue overpass 5 Comment
  UCSB42007  Silybum marianum Purviance, Susan 1979-6-2 Santa Barbara 2 mi. south of San Marcos Pass Road on San Marcos Road Comment
  UCSB42456  Silybum marianum Pierce, Lars 1982-6-8 Santa Barbara On lower berms of Goleta Slough, west of airport and north of approach lights 4 Comment
  UCSB42914  Silybum marianum Gallagher, A. 1980-5-8 Los Angeles Sycamore Canyon Comment
  UCSB43290  Silybum marianum Murphey, Tom 1982-4-3 Santa Barbara On north side of bike path between UCSB Campus and Santa Barbara, .25 mile west of Patterson Avenue 4 Comment
  UCSB43484  Silybum marianum O'Roark, J. 1982-5-28 Santa Barbara In lot next to northbound off ramp to Refugio Rd. from Hwy 101 Comment
  UCSB44662  Silybum marianum Strong, Lisa 1982-5-2 Santa Clara In Gilroy along Llagas Creek, 0.2 mile from Masten Avenue creek crossing 91 Comment
  UCSB47254  Silybum marianum Hibbard, Doug 1977-3-10 Santa Barbara Off the south side of Refugio Rd., 2.5 miles from Hwy 101 137 Comment
  UCSB47307  Silybum marianum Osburn, Rob 1979-4-21 Santa Barbara On Mission Cyn. Rd, .5 miles from Foothill Rd. 60 Comment
  UCSB51731  Silybum marianum Butts, T. 1967-5-27 Santa Barbara Refugio Rass Rd. 0.6 mi. N of U.S. 101; Santa Ynez foothills 30 Comment
  UCSB57980  Silybum marianum Pang, Benton 1988-5-24 Ventura Emma Wood State Beach picnic area, 200 yards east of railroad tracks 9 Comment
  UCSB69267  Silybum marianum Sanders, A.; Roberts, Fred 2008-7-3 Orange Peninsular Range; Santa Ana Mtns.: Weir Canyon, along Windy Ridge Rd. at hairpin turn/road junction below huge sandstone boulder (visible on Google Earth), 1.2 mi. SE of Walnut Canyon Reservoir (Black Star Canyon 7.5' Q.) 275 Comment
  UCSB70711  Silybum marianum Lanning, Chris 1991-5-26 Santa Barbara South of Modoc Road 0.3 miles east of its junctioan with Hollister Road 30 Comment
  UCSB72578  Silybum marianum Hendrickson, Beth 1992-6-20 Santa Barbara Middle of parcel 97 at the head of Sacate Canyon; Hollister Ranch, western Santa Ynez Mountains and adjacent coastal plain, west of Gaviota State Park Comment
  UCSB9979  Silybum marianum DeWitt, Jack 1959-5-24 Santa Barbara In a vacant lot on Foothill Rd. 0.3 miles N of Ontare Rd. in Santa Barbara Comment
  UCSC010055  Silybum marianum Unknown 2012-5-13 518 Monterey Old Reservation Road, Fort Ord National Monument (Region N7) Comment



  Copyright © 2019 Regents of the University of California — Updated 11 January 2019
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