Search Results — 2000 specimen records retrieved (1163 records with coordinates)
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Results for search: County=SAN LUIS OBISPO; Source=All;   

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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC54817  Abronia maritima R. W. Summers 1883-6-1 San Luis Obispo Avila sea-beach Sand Hills, Avila Comment
  UCR122123  Abronia maritima George K. Helmkamp 2002-4-20 7453 San Luis Obispo Central Coast, Los Osos, 0.2 mile northwest of Monarch Lane 9 Comment
  OBI12214  Abronia pogonantha Robert F. Hoover 1967-4-9 10416 San Luis Obispo Cyn in Temblor Range near N end of Elkhorn Plain Comment
  CAS-BOT-BC383966  Abronia pogonantha Rimo Bacigalupi; G. T. Robbins; R. S. Ferris 1955-5-23 5201 San Luis Obispo Along upper part of Cammatti Canyon road, 1.6 miles north of junction with Creston - La Panza road 405 Comment
  OBI58109  Abronia umbellata Austin P. Griffiths 1981-9-21 s.n. San Luis Obispo Oceano Dunes. On 2nd ridge N of "Beach Trl" just E of foredunes (NNE of Warning Sign) Comment
  OBI13403  Acacia longifolia Richard Hays 1957-11-27 s.n. San Luis Obispo Oceano Comment
  UCR29872A  Acaena pinnatifida var. californica David J. Keil, R. Riggins, D. Walters, M. G. McLeod, Melissa Luckow 1981-4-11 14373 San Luis Obispo Central Coast, north of San Simeon along ridge just south of Arroyo de la Cruz Comment
  OBI83409  Acanthomintha obovata subsp. cordata George Butterworth 1995-5-22 85 San Luis Obispo T32S, R20E, S34, NW qut. 2 mi beyond (SE of) gate, 30' SW of road Comment
  UCR29943A  Acer macrophyllum David J. Keil 1981-6-20 14858 San Luis Obispo Central Coast, north of San Simeon, along the channel and banks of Arroyo de la Cruz, east of Hwy 1 (Pacific Coast Hwy) 61 Comment
  UC639004  Acer macrophyllum Bernard Miossi 1940-3-19 223 San Luis Obispo six mi n San Luis Obispo (n-facing slope at summit of Cuesta Grade); n of San Luis Obispo, summit Cuesta Grade 478 Comment
  SBBG4090  Acer negundo C. B. Hardham 1959-9-29 4998 San Luis Obispo banks of Salinas Bridge at Atascadero Comment
  OBI17146  Achillea millefolium Robert F. Hoover 1965-10-1 9698 San Luis Obispo Cuesta-by-the-sea, S shore of Morro Bay Comment
  OBI23280  Achillea millefolium J. T. Arnold 1965-4-21 74 San Luis Obispo Cal Poly, Poly Cyn Comment
  SBBG25496  Achillea millefolium L. E. Allen 1966-8-24 San Luis Obispo Oso Flaco Lake Comment
  UCR160294  Achillea millefolium George K. Helmkamp 2004-4-30 8552 San Luis Obispo Central Coast, about 1.1 mi (airline) SW of Arroyo Grande Ave at 23rd St in Oceano 15 Comment
  CAS-BOT-BC28760  Achillea millefolium David D. Keck 1933-5-5 2200 -1 San Luis Obispo Collected near Moro Rock, replanted and colelcted later in Stanford University Gardens. 0 Comment
  OBI17151  Achillea millefolium T. Elliott 1966-4-23 34 San Luis Obispo 20 mi outside S. Marguerita along hwy 58 Comment
  UCD50327  Achnatherum hymenoides Ernest C. Twisselmann 1958-4-24 4370 San Luis Obispo Ridge along the mouth of Caliente Canyon. Lower Sonoran Grassland. Shandon, California. San Luis Obispo County. 320 Comment
Read comments
Jun 26 2016
  CAS-BOT-BC29732  Achyrachaena mollis David D. Keck; J. Clausen 1935-4-9 3099 San Luis Obispo Cholame Creek at Cholame 365 Comment
  SBBG112533  Acmispon americanus J. MacIntyre 1986-7-16 12 San Luis Obispo West Cuesta Ridge; ca. 1.5 mi up Cuesta Ridge Rd turn-off up Hwy 101 548 Comment
  OBI20091  Acmispon glaber var. glaber Monna Haugen 1971-5-17 8 San Luis Obispo Baywood park, corner of el Moro and Third St on the bay side 5 Comment
  SD39811  Acmispon heermannii var. orbicularis Edith A. Purer 1932-8-1 4709 San Luis Obispo Morro Bay Comment
  OBI13193  Acmispon micranthus Robert F. Hoover 1950-6-2 7969 San Luis Obispo Trl from Stoney Crk to Colwell Mesa Comment
  SBBG3444  Acmispon parviflorus C. B. Hardham 1959-4-23 4433 San Luis Obispo Santa Barbara Rd, Atascadero Comment
  OBI31198  Acmispon strigosus Julie M. Vanderwier 1979-4-13 119 San Luis Obispo Indian Knob Tar Sands Comment
  OBI74279  Acmispon strigosus Theo Fitanides, Anthony Baniaga 2010-2-28 17 San Luis Obispo Tierra Redonda Mtn BLM ACEC 501 Comment
  SBBG34845  Acmispon strigosus Mrs. R. W. Summers 1886-3-9 San Luis Obispo lower eastern slope, San Luis Mtn Comment
  CAS-BOT-BC29227  Acourtia microcephala Clare B. Hardham 1956-7-16 1164 San Luis Obispo Chimney Rock Ranch, San Marcos Creek Comment
  OBI30970  Acourtia microcephala Julie M. Vanderwier 1980-8-17 s.n. San Luis Obispo On the slopes of Indian Knob Comment
  CAS-BOT-BC69609  Adiantum capillus-veneris R. F. Hoover 1947-8-17 7385 San Luis Obispo Ravine just n. of San Carpojoro Creek. Comment
  UCR29136  Adiantum jordanii R. J. Rodin 1959-3-18 6319 San Luis Obispo Central Coast, north side of Bishop Peak Comment
  OBI67823  Adiantum jordanii E. L. Painter, M. Wetherwax 2000-3-20 SLO- 36 San Luis Obispo Camp San Luis Obispo. East side of saddle between Cerro Chumash and Cerro Romauldo 200 Comment
  POM97463  Adiantum jordanii Philip A. Munz 1925-3-24 9199 San Luis Obispo Morro Creek 305 Comment
  CDA34888  Aegilops triuncialis David J. Keil 2000-5-31 28787 San Luis Obispo Highway 46 between Cambria and Paso Robles, ca. 8.5 miles east from the junction with Highway 1. 0 Comment
  CAS-BOT-BC251063  Ageratina adenophora M. Wetherwax; E. L. Painter; David Keil 2001-5-17 SLO- 77 San Luis Obispo Camp San Luis Obispo. West side of Dairy Creek brige near jct of Amador & Mendocino Streets, under bridge 100 Comment
  OBI16471  Ageratina adenophora R. Wunrow April1954 s.n. San Luis Obispo Upper part of See Cyn Comment
  OBI69286  Ageratina adenophora Oliver Hernandez 2008-7-15 7 San Luis Obispo Mouth of Arroyo Hondo Comment
  SD40236  Agoseris apargioides Edith A. Purer 1940-8-2 7985 San Luis Obispo Sand dunes, Oso Flaco Lake. Comment
  UC339213  Agoseris grandiflora var. grandiflora unknown 1887-1-1 San Luis Obispo Comment
  CAS-BOT-BC46073  Agoseris heterophylla var. cryptopleura D. E. Breedlove 1962-3-24 1975 San Luis Obispo 3.5 miles east of Templeton 274 Comment
  OBI22542  Agrostis exarata Robert F. Hoover 1947-5-25 7220 San Luis Obispo Cambria Comment
  OBI2571  Agrostis exarata Larry E. Brown 1971-7-8 2062 San Luis Obispo In Prefumo Cyn near San Luis Obispo Comment
  CAS-BOT-BC139370  Agrostis hooveri R. F. Hoover 1946-6-15 6152 San Luis Obispo Near Rinconado Mine (west of Pozo). Comment
  UC771679  Agrostis hooveri R. F. Hoover 1946-6-15 6152 San Luis Obispo near Rinconada Mine (w of Pozo) Comment
  OBI73006  Agrostis pallens David J. Keil 2000-6-15 28814 San Luis Obispo Irish Hills, San Luis Range. BLM parcel near Diablo Canyon Nuclear Power Plant Comment
  UCR42737  Agrostis viridis E. A. Wise 1984-7-17 1980 San Luis Obispo Chorro Creek. 5 Comment
  OBI56469  Aira caryophyllea David J. Keil, with V. L. Holland 1999-4-27 28274 San Luis Obispo Camp Roberts; McMillan Airstrip. Comment
  OBI35059  Alisma triviale Eric Wise 1981-6-15 609 San Luis Obispo turri rd, 1 mi E of So. Bay blvd Comment
  CAS-BOT-BC445454  Alisma triviale R. F. Hoover 1964-8-13 9241 San Luis Obispo Mouth of Osos Creek Comment
  OBI81235  Allenrolfea occidentalis David J. Keil 1988-9-16 21130 San Luis Obispo Vicinity of intersection of CA 46 and CA 41 east of Cholame. Comment
  UCR123167  Allium amplectens George K. Helmkamp, E. A. Helmkamp 2002-4-19 7469 San Luis Obispo Central Coast, 3.2 mi north of Piedras Blancas Lighthouse along CA Hwy 1 15 Comment
  POM169287  Allium haematochiton R. W. Summers 2894 San Luis Obispo Depot Hill, San Luis Obispo. Comment
  SBBG850  Allium haematochiton H. and M. Dearing 1938-5-18 1948 San Luis Obispo northern San Luis Obispo County [no specific locality] Comment
  OBI72755  Allium hickmanii Michael Walgren 2010-4-14 111 San Luis Obispo San Simeon State Park, between Little Pico Creek and San Simeon Point, northwest of Broken Bridge Creek and south of Hwy 1 Comment
  OBI65264  Allium hickmanii Elizabeth Appel 2005-4-22 405 .793 San Luis Obispo Growing along trl on W side of hwy 1 at Ragged Point on Hearst Ranch Comment
  CAS-BOT-BC470931  Allium howellii var. howellii Eben McMillan 1957-4-17 34 -23 San Luis Obispo Low hills at the foot of Caliente Mountain, southern Carrisa Plains. 838 Comment
  OBI79534  Allium lacunosum var. lacunosum Michael Walgren 2014-5-4 413 San Luis Obispo Cayucos, on the top of a serpentine hill immediately inland of Highway One at the top of the highway rise. 120 Comment
  CAS-BOT-BC472725  Allium lacunosum var. lacunosum Ernest C. Twisselmann 1958-4-29 4389 San Luis Obispo Soda Lake Road at Werling Ranch, Temblor Range and the Western San Joaquin Valley 609 Comment
  CAS-BOT-BC132107  Allium peninsulare var. peninsulare Ira L. Wiggins 1929-5-23 3723 San Luis Obispo Hillside 10 miles east of Shandon Comment
  OBI45909  Allium peninsulare var. peninsulare David J. Keil, Rhonda Riggins and Kathryn Bay 1986-4-26 19258 San Luis Obispo Temblor Range. 1.15 mi NE of jctn of Elkhorn Rd on Crocker Grade Rd 838 Comment
  OBI21246  Allium unifolium Robert F. Hoover 1950-6-20 7995 San Luis Obispo W side of York Mt on Templeton-Cambria rd Comment
  OBI65801  Allophyllum divaricatum D. R. Miller 1994-5-5 594 -322 San Luis Obispo Pine Mtt. Region; Pico crk drainage 900 Comment
  UC1583765  Allophyllum glutinosum David Keil with Rhonda Riggins and Michael Stiles 1987-5-17 20166 San Luis Obispo Cuesta East ca. 1/2 mi. down from trailhead Lopez Canyon Trail; Los Padres Nat'l Forest Comment
  SBBG95635  Amaranthus deflexus D. Keil 1984-7-20 18311 San Luis Obispo E of Arroyo Grande along Lopez Lake Rd at jct w Cecchetti Rd Comment
  UCD97468  Amaranthus deflexus Ernest C. Twisselmann 1963-9-14 8977 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 670 Comment
  UCR132048  Amaranthus deflexus George K. Helmkamp 2003-7-31 8061 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  OBI56840  Amaranthus hybridus David J. Keil 1998-9-4 28097 San Luis Obispo Garden Farms area. Santa Margarita Creek N of Santa Margarita, W of El Camino Real bridge, just S of Santa Margarita Rd. Comment
  OBI13079  Amaranthus powellii Hans Wilgenburg 1977-8-11 10 San Luis Obispo Cal Poly campus Comment
  CAS-BOT-BC13631  Ambrosia acanthicarpa R. F. Hoover 1966-9-12 9981 San Luis Obispo Santa Maria River north of Santa Maria. Comment
  UCR263702  Ambrosia chamissonis Mark A. Elvin, Jason Storlie 2014-10-10 7646 San Luis Obispo Central Coast, Guadalupe Dunes, Guadalupe-Nipomo Dunes National Wildlife Refuge, small swale/water hole c. 100 m NNW of Myrtle Pond, 250 m from Pacific Ocean 8 Comment
  OBI34692  Ambrosia psilostachya David J. Keil, Eric Wise 1983-8-30 17889 San Luis Obispo Black Lake Cyn, S of Arroyo Grande Comment
  OBI59258  Ambrosia psilostachya David J. Keil, with Lawrence M. Kelly, Kathryn Bay, and Frieda Wertman 1988-11-12 21196 San Luis Obispo Near summit along California Route 227 between San Luis Obispo and Arroyo Grande. 213 Comment
  RSA128117  Amelanchier pallida Clare B. Hardham 1959-5-9 4458 San Luis Obispo Edges of Franklin Creek; Camp Nacimiento Comment
  UC573510  Amelanchier utahensis T. M. Hendrix 1937-6-6 257 San Luis Obispo 1.5 mi nw New District School; Adelaida Quad. 411 Comment
  UC73264  Amorpha californica var. californica Miss M. Alice King June, 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC213981  Amsinckia David D. Keck; J. Clausen 1935-4-10 3145 San Luis Obispo East side of Soda Lake, Carrizo Plains 597 Comment
  SBBG19311  Amsinckia douglasiana D. Emery 1950-3-31 San Luis Obispo La Panza district Comment
  CAS-BOT-BC222386  Amsinckia douglasiana Ernest C. Twisselmann 1962-3-26 6712 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 3.5 miles south of Cholame 579 Comment
  UC1284987  Amsinckia douglasiana R. F. Hoover 1949-4-21 7628 San Luis Obispo near Fernandez Creek (on La Panza Creston Road) Comment
  OBI37291  Amsinckia intermedia F. A. Lindholm 1971-4-8 140 San Luis Obispo 6 mi N of Cayucos 488 Comment
  OBI39502  Amsinckia intermedia David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel, Richard Pimentel, Linda Seek, et al 1982-5-9 16074 San Luis Obispo rd to top of Cypress Mtn from Warrens' cabin Comment
  OBI75809  Amsinckia intermedia Al Lindholm 1967-4-23 190 San Luis Obispo Fitzhugh property [6 miles north of Cayucos, Santa Lucia Mountains. Cypress Mountain Quadrangle, T28S, R10E, sections 3, 4, 5, 8, 9, 10, 15, 16, 17. 1000-acre property containing within its boundaries the origins of Cottontail, Cayucos, Villa, and Cienega Creeks. Property contains Geode Mountain (rhyolite), sedimentary formations, and serpentine. Soils vary from hard rock to rich humus. Land mostly occupied by oak woodland and chaparral]. 1/2 mile southeast of Geode Mountain. Comment
  OBI78836  Amsinckia intermedia Michael Walgren 2014-4-30 403 San Luis Obispo San Luis Range along the PG&E access road above Wild Cherry Canyon 359 Comment
  RSA0042903  Amsinckia intermedia LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-29 6278 San Luis Obispo East end of the Santa Lucia Wilderness. Started at locked gate to lookout on Hi Mountain, then south southeast to Hi Valley, then east to Road 30S05.2., Trail started near 35.26052N 120.42981W. ended at 35.24926N 120.38324W. T31S R15E S8 NE1/4. 558 Comment
  OBI20638  Amsinckia intermedia Robert F. Hoover 1949-4-21 7630 San Luis Obispo Near Fernandez Crk on La Panza - creston rd Comment
  OBI56463  Amsinckia menziesii David J. Keil, with V. L. Holland 1999-4-27 28260 San Luis Obispo Camp Roberts; McMillan Airstrip. Comment
  OBI62536  Amsinckia menziesii Bernard Miossi 1939-4-8 56 San Luis Obispo In a field 1 mi N of San Luis Obispo 100 ft from hwy 101 58 Comment
  OBI20655  Amsinckia spectabilis var. microcarpa Robert F. Hoover 1967-5-6 10526 San Luis Obispo Jack Lake Comment
  SEINET7063203  Amsinckia spectabilis var. spectabilis A. G. Vestal 1963-5-16 s.n. San Luis Obispo Dunes about 0.7 mile east southeast of Los Osos on the Pecho Valley Road. UTM Zone 10, 698257mE, 3909354mN. (WGS84/NAD83). 49 Comment
  OBI25831  Amsinckia tessellata B. W. & T. W., T. W. 1967-5-6 s.n. San Luis Obispo Playa Lake Comment
  OBI20676  Amsinckia tessellata var. gloriosa Robert F. Hoover 1967-3-29 10323 San Luis Obispo 6 mi E of Creston on La Panza Rd Comment
  UCSB16596  Amsinckia tessellata var. gloriosa Breedlove, Dennis 1962-3-24 San Luis Obispo 7.1 miles east of of Templeton 304 Comment
  UCD119880  Amsinckia tessellata var. tessellata T. C. Fuller 1962-3-1 7734 San Luis Obispo San Luis Obispo County: Hwy 466, 2 mi. w. of road to Shandon. Comment
  CDA15104  Amsinckia vernicosa G. F. Hrusa 1998-3-28 14187 San Luis Obispo Carrizo Plain Natural Area above headwaters of Bitterwater Ck. Hills immed. to S of Elkhorn Grade Rd. Comment
  UC1061772  Amsinckia vernicosa var. vernicosa P. L. Johannsen 1937-4-13 1038 San Luis Obispo 2 mi e of Whites (Bad lands, Plot 123) 944 Comment
  UC1927886  Anagallis arvensis David Keil, Tina Teed and Mariko Uchida 2001-6-15 29568 San Luis Obispo Camp San Luis Obispo. Chorro Creep drainage. Chorro Creek Bog Thistle exclosure Comment
  CAS-BOT-BC64109  Ancistrocarphus filagineus Clare B. Hardham 1958-4-16 3037 San Luis Obispo Peachy Canyon Road near Paso Robles city limits Comment
  OBI55300  Ancistrocarphus filagineus David J. Keil 1998-6-8 27703 San Luis Obispo S of Cholame, 0.7 miles S from junction with Hwy 46 and 0.1-0.9 miles along spur road from Bitterwater Rd. Comment
  CAS-BOT-BC46947  Androsace elongata subsp. acuta Clare B. Hardham 1959-4-3 4186 San Luis Obispo Hills n. of Nacimiento Dam. Comment
  UCSB69395  Anemopsis californica Rindlaub, Kathy; Capralis 1985-6-23 San Luis Obispo Santa Maria River. 100 m NE of marker in channel. 5 Comment
  UC1979356  Anisocoma acaulis David Keil with Rhonda Riggins and Karl Striby 1998-5-22 27396 San Luis Obispo Caliente Range. Along Caliente Ridge Road between wildlife guzzler and Caliente Peak. Comment
  UCSB8167  Anthemis cotula Haller, John 1966-6-3 San Luis Obispo U.S. Hwy. 101 near Shell Beach, about 10 miles south of San Luis Obispo Comment
  OBI56590  Anthemis cotula David J. Keil 1998-6-30 27880 San Luis Obispo Carrizo Plain. California Valley, Soda Lake Rd. at Brentwood trail. Comment
  OBI56847  Anthriscus caucalis David J. Keil 1998-4-28 26971 San Luis Obispo Los Padres National Forest. Just north of Cuyama River on hills near Rock Front Ranch. ORV trailhead. T325, R17E, Sec 25 and T325, R18E, sec 30. Comment
  OBI7430  Anthriscus caucalis Mark Fresh 1976-5-17 81 San Luis Obispo San Luis Obispo Crk, under Cuesta Grade Comment
  UC1063082  Antirrhinum kelloggii B. Bolt 1936-5-25 732 San Luis Obispo 2.75 mi ene Santa Margarita; San Luis Obispo Quad. 335 Comment
  UC455551  Antirrhinum kelloggii I. J. Condit 1908-3-27 San Luis Obispo n side Calif. Poly. School Canyon; San Luis Obispo Comment
  OBI33386  Antirrhinum kelloggii David J. Keil 1982-3-20 15764 San Luis Obispo San Luis Range in Irish Hills along dirt rd leading from See Cyn Rd to Hibberd Preserve Comment
  OBI46212  Antirrhinum multiflorum David J. Keil 1982-6-27 16319 San Luis Obispo Hills overlooking Los Osos from the S Comment
  OBI9726  Antirrhinum ovatum McMillan 1952-5-20 s.n. San Luis Obispo Pinule Spring 10 mi S 16 mi E Shandon Comment
  CAS-BOT-BC237911  Antirrhinum ovatum William M. Longhurst 1949-5-20 s.n. San Luis Obispo One mile east-northeast of Poso Ortega Comment
  JEPS52085  Antirrhinum ovatum Donald J. Bedell 1965-8-6 113 -1 San Luis Obispo hills e summit of Palo Prieto Canyon 701 Comment
  OBI42144  Aphanes occidentalis David J. Keil, Lynne Dee Oyler and Rick Oyler 1986-5-17 19461 San Luis Obispo Santa Margarita Ranch. 3.6 mi S of Santa Margarita along ranch rd. E base of Santa lucia Mts in area that was locally the E boundary of the Las Piltas fire of July 1985 Comment
  UC1583672  Aphanes occidentalis David Keil 1986-3-22 19097 San Luis Obispo 2.7 mi se Shell Creek Road junction with Highway 58 (along Highway 58) 487 Comment
  OBI78764  Apiastrum angustifolium Michael Walgren 2014-4-14 398 San Luis Obispo Chevron Oil Company property east of Del Mar Park in the City of Morro Bay. 84 Comment
  SBBG107241  Apiastrum angustifolium C. B. Hardham 1958-5-28 3434 San Luis Obispo intersection of north rd to Adelaida and Nacimiento Dam Rd Comment
  RSA116545  Apiastrum angustifolium E. C. Twisselmann 1954-5-7 1179 San Luis Obispo Upper McLean Canyon, Temblor Mountains 945 Comment
  UC1191947  Apium graveolens Malcolm A. Nobs, S. Galen Smith 1948-9-9 661 San Luis Obispo s of Pismo Beach Comment
  SBBG104386  Apocynum cannabinum D. A. Young, F. L. Johnson 1992-6-18 ROB 88 San Luis Obispo Chorro Crk, 1 km N of Chorro Reservoir; Camp San Luis Obispo Comment
  SBBG107731  Apocynum cannabinum C. B. Hardham 1957-6-8 2208 San Luis Obispo Franklin Crk, Camp Natoma Comment
  OBI66691  Apocynum cannabinum D. R. Miller 1994-6-23 694 -483 San Luis Obispo Pine Mt Region. In Almaden Creekway near Lower Pines; Pico Crk drainage Comment
  UCR42824  Arbutus menziesii David J. Keil, R. Riggins, R. A. Pimentel, D. R. Miller 1985-4-27 18704 San Luis Obispo 12.2 mi from California Rte 1 along San Simeon Creek Road, south of Rocky Butte lookout 915 Comment
  JEPS98875  Arctostaphylos James Roof 1961-7-4 San Luis Obispo Arroyo de la Cruz, S escarpment, E of Hwy 1; Hearst Ranch Comment
  RSA0036828  Arctostaphylos Robert F. Thorne 1965-11-6 35574 San Luis Obispo Hills S of Mono [Morro] Bay 76 Comment
  JEPS98890  Arctostaphylos cruzensis Walter Knight, James B. Roof, and Irja Knight 1966-1-12 1772 San Luis Obispo top of Los Osos Mesa Comment
  SEINET11984937  Arctostaphylos cruzensis Unknown 1965-1 476 San Luis Obispo 0.25 mi E of CA 1 on hill just N of Arroyo de los Chinos, ca 15 mi N of San Simeon Comment
  CAS-BOT-BC24805  Arctostaphylos glandulosa subsp. cushingiana R. F. Hoover 1946-10-26 6529 San Luis Obispo Summits above (se. of), Cuesta Pass. Comment
  CAS-BOT-BC24871  Arctostaphylos glandulosa subsp. cushingiana P. A. Munz 1953-2-3 18276 San Luis Obispo 9 mi. from Pozo on road to La Panza. 609 Comment
  OBI5007  Arctostaphylos glandulosa subsp. cushingiana W. Kent Allender 1962-12-17 20 San Luis Obispo Cuesta Summit N of US 101 Comment
  CAS-BOT-BC23085  Arctostaphylos glandulosa subsp. glandulosa Clare B. Hardham 1956-11-7 1515 San Luis Obispo Santa Lucia Mts., Cypress Mt. north side 609 Comment
  CDA20408  Arctostaphylos glandulosa var. cushingiana J. Hunter May 1994 s.n. San Luis Obispo Black Butte Research Natural Area. Los Padres National Forest, Cuesta Ridge East 0 Comment
  CAS-BOT-BC39217  Arctostaphylos glauca Joseph Burtt Davy 1901-1-31 s.n. San Luis Obispo Paso Robles Comment
  OBI61028  Arctostaphylos glauca George Butterworth 1999-2-14 283 San Luis Obispo Carrizo Plain Natural Area. 1/34 mi SW of Selby camp 762 Comment
  OBI8341  Arctostaphylos glauca Tracey & Viola Call, Viola Call 1965-4-10 2337 San Luis Obispo 3/4 mi along road Poly Canyon from Cuesta Ridge 549 Comment
  UCD51262  Arctostaphylos glauca Roman Gankin; W. R. Hildreth 1967-10-12 1138 San Luis Obispo 0.4 mile southeast of Pozo summit. Comment
  CAS-BOT-BC24610  Arctostaphylos glauca Ernest C. Twisselmann 1956-2-18 2509 San Luis Obispo Oak Flat, 3 mi. w. of Paso Robles. Shandon. 243 Comment
  CAS-BOT-BC24619  Arctostaphylos glauca R. F. Hoover 1946-11-17 6558 San Luis Obispo Cuyama Canyon near Clear Creek. Comment
  CDA17640  Arctostaphylos glauca Austin Griffiths, Gaylord Jones, T. Gaskin, G. Ruggerone 1984-1-15 s.n. San Luis Obispo South Coast Ranges; Along W side of path at S edge of first pine grove, South Trail, Pozo Summit. 853 Comment
  CAS-BOT-BC24520  Arctostaphylos hooveri R. F. Hoover 1964-5-15 8891 San Luis Obispo Pine Top Mt. s of San Carpoforo Creek. Comment
  RSA254308  Arctostaphylos luciana Gary D. Wallace 1975-5-11 1434 San Luis Obispo Santa Lucia Mountains, east of Cuesta Pass along forest service rd. 1.8 mi E of Hwy 101 toward radio towers. 640 Comment
  RSA632962  Arctostaphylos luciana Jon E. Keeley, Melanie Baer-Keeley 1993-9-3 24353 San Luis Obispo Dirt road behind locked gate, along ridge east of La Cuesta Summit, north of San Luis Obispo. 600 Comment
  CAS-BOT-BC40077  Arctostaphylos morroensis R. F. Hoover 1964-3-16 8652 San Luis Obispo Los Osos Highlands Comment
  HSC91723  Arctostaphylos morroensis Susan H. Bicknell 1988-11-20 San Luis Obispo Montano de Oro State Park, Hazard Canyon N Ridge Comment
  UCSB27472  Arctostaphylos morroensis Havlik, Neil 1969-10-19 San Luis Obispo About two miles southwest of Los Osos 91 Comment
  CAS-BOT-BC27164  Arctostaphylos obispoensis Alice Eastwood 1929-3-7 16843 San Luis Obispo San Luis Obispo. Chorro Creek. Comment
  CAS-BOT-BC39840  Arctostaphylos obispoensis Steven A. Junak; David A. Young; Tina J. Ayers 1989-3-13 3925 San Luis Obispo Cuesta Ridge: Along main road (USFS Road #29S11.3) at W boundary sign for the Cuesta Ridge botanical Area, 5.2 miles 783 Comment
  OBI14579  Arctostaphylos obispoensis Robert F. Hoover 1965-12-5 9727 San Luis Obispo Lower end of Lopez cyn Comment
  OBI53950  Arctostaphylos obispoensis David J. Keil, Justin Epting 1995-6-14 25379 San Luis Obispo Cal Poly's pnnington Crk biological Reserve. Comment
  UC1309677  Arctostaphylos obispoensis G. T. Nordstrom 1937-5-23 1273 San Luis Obispo 1.7 mi se Josephine School; Adelaida Quadrangle 487 Comment
  UCR73093  Arctostaphylos obispoensis David A. Young, Steven A. Junak, M. Carroll 1989-3-13 1845 San Luis Obispo W end of Cuesta Ridge Botanical Area near the end of the reserve Comment
  CAS-BOT-BC39837  Arctostaphylos obispoensis Robert F. Thorne; Percy C. Everett 1963-6-7 32147 San Luis Obispo Along Cuesta Ridge road; 1.8 miles NW from Cuesta Pass. Comment
  CAS-BOT-BC39849  Arctostaphylos obispoensis Clare B. Hardham 1956-1-16 66 San Luis Obispo Santa Lucia Mountains - Klau Mine, rocky south-facing slope Comment
  RSA633466  Arctostaphylos osoensis Jon E. Keeley 1996-6-24 27628 San Luis Obispo North face of Hollister Peak, east of Morro Bay. 250 Comment
  CAS-BOT-BC44402  Arctostaphylos pechoensis R. F. Hoover 1946-8-3 6254 San Luis Obispo Upper Coon Creek, San Luis Range. Comment
  UCD53482  Arctostaphylos pechoensis R. F. Hoover 1967-2-18 10255 San Luis Obispo Diablo Canyon; San Luis Range. Comment
  CAS-BOT-BC44389  Arctostaphylos pilosula R. F. Hoover 1963-10-26 8599 San Luis Obispo Trail to Machesna Mt., La Panza Range Comment
  CAS-BOT-BC44392  Arctostaphylos pilosula R. F. Hoover 1963-10-26 8600 San Luis Obispo Trail to Machesna Mt., La Panza Range Comment
  JEPS98805  Arctostaphylos pilosula R. F. Hoover 1963-10-26 8600 San Luis Obispo trail to Machesna Mt. La Panza Range Comment
  CDA17647  Arctostaphylos pilosula Austin Griffiths, G. F. Hrusa, T. Gaskin 1984-2-5 s.n. San Luis Obispo South Coast Ranges; Outer rim of trail from Pozo Summit to Pine Mtn.,nr. Pine Mtn. 1005 Comment
  RSA254309  Arctostaphylos pilosula subsp. pilosula Gary D. Wallace 1975-5-11 1435 San Luis Obispo E of Arroyo Grande along Huasna Rd ca. 1 mile W of Porter Ranch; SE of Lopez Lake. 341 Comment
  RSA122347  Arctostaphylos pilosula subsp. pilosula H. C. Lee 1936-2-10 392 San Luis Obispo 1 1/4 mile N of Indian Knob. 106 Comment
  RSA142448  Arctostaphylos pilosula subsp. pilosula Clare B. Hardham 1961-5-19 7123 San Luis Obispo headwaters of La Tablas Creek, 7X Ranch, Santa Lucia Mountains Comment
  CAS-BOT-BC47288  Arctostaphylos tomentosa R. F. Hoover 1950-1-15 7763 San Luis Obispo Mouth of Arroyo de la Cruz (just s. of). Comment
  RSA637044  Arctostaphylos wellsii Jon E. Keeley, Melanie Baer-Keeley 1993-9-3 24328 San Luis Obispo Ormonde road, 1 km S of Price Canyon Road, N of Pismo Beach. 90 Comment
  CDA41111  Arctostaphylos wellsii A. Griffiths, G. F. Hrusa 1984-2-2 s.n. San Luis Obispo Central Coast; Along N roadside at crest of hill on Noyes Rd. approaching Hwy 227, betw. Arroyo Grande and San Luis Obispo. 0 Comment
  SEINET4853254  Arctostaphylos wellsii Walter Knight 1986-5-4 6338 San Luis Obispo Arroyo Grande oil field between Price Canyon Road and Indian Knob. 91 Comment
  UC455081 Image available Arctotis venusta I. J. Condit 1911-8-17 San Luis Obispo Cal Poly San Luis Obispo Garden Comment
  OBI19567  Arenaria paludicola Robert F. Hoover 1947-1 San Luis Obispo Comment
  SEINET10868569  Aristida adscensionis Marcus E. Jones 1882-5-9 Jones 3245 San Luis Obispo Comment
  OBI4341  Armeria maritima subsp. californica A. D. Matthews 1972-3-2 s.n. San Luis Obispo Comment
  SD43613  Armeria maritima subsp. californica Darley F. Howe 1948-5-17 San Luis Obispo Comment
  OBI75991  Armeria maritima subsp. californica Helen Jones 1981-5-4 50 San Luis Obispo Piedras Blancas Point; found on Old Lighthouse rd Comment
  OBI17075  Arnica discoidea Robert F. Hoover 1950-6-21 8018 San Luis Obispo Pine Mt. Santa Lucia Mts Comment
  OBI38078  Arnica discoidea David J. Keil, Rhonda Riggins, Richard A. Pimentel and D. R. "Doc" Miller 1985-4-27 18696 San Luis Obispo Ca. 4 mi from Calif rte 1 along San Simeon Crk rd, near Rocky Butte lookout Comment
  UC2026944  Artemisia biennis David Keil 2010-11-10 30963 San Luis Obispo Twitchell Reservoir, just S of CA 166 bridge Comment
  UC54025  Artemisia biennis Mrs. R. W. Summers 1886-7-17 San Luis Obispo near Sulphur Wells Comment
  OBI43516  Artemisia californica David J. Keil 1986-10-13 19784 San Luis Obispo Sweet Springs area on southern shore of Morro Bay 5 Comment
  OBI17041  Artemisia douglasiana Robert F. Hoover 1966-9-16 10024 San Luis Obispo Santa Margarita Crk 2 mi N of Santa Margarita Comment
  SBBG117895  Artemisia douglasiana J. Olson 2000-6-27 San Luis Obispo Bee Rock Rd and E side of low water bridge; Camp Roberts Comment
  CAS-BOT-BC84823  Artemisia douglasiana Ernest C. Twisselmann 1956-11-3 3215 San Luis Obispo La Panza Range - Salinas River at the base of Salinas Dam. 400 Comment
  CAS-BOT-BC93844  Artemisia dracunculus R. F. Hoover 1964-8-14 9256 San Luis Obispo Jack Lake Comment
  OBI58103  Artemisia dracunculus Austin P. Griffiths 1981-11-7 s.n. San Luis Obispo Montana de Oro State Park, large drifts at lee base of sandhill knolls S of Hazard Cyn Comment
  SBBG109432  Asclepias C. B. Hardham 1962-6-22 10349 San Luis Obispo Nacimiento River, W of Cantinas Crk Comment
  UC1123528  Asclepias eriocarpa T. M. Hendrix 1937-5-24 208 San Luis Obispo mouth American Canyon; Los Padres National Forest, Pozo Quadrangle Comment
  UC1123529  Asclepias eriocarpa H. C. Lee 1937-6-1 1034 San Luis Obispo 2 1/2 mi w Paso Robles; Paso Robles Quadrangle (Quadrangle 130D) Comment
  OBI20513  Asclepias fascicularis Robert F. Hoover 1966-9-16 10034 San Luis Obispo Santa Margarita Crk 2 mi N of Santa Margarita Comment
  SBBG104488  Asclepias fascicularis D. A. Young, F. L. Johnson 1992-6-16 ROB 30 San Luis Obispo 0.5 km E of Sat Com on E Perimeter Rd; Camp Roberts Comment
  OBI20519  Asclepias vestita Robert F. Hoover 1950-5-6 7887 San Luis Obispo La Panza District Comment
  UC1123572  Asclepias vestita T. M. Hendrix 1937-5-26 223 San Luis Obispo 3.6 mi ne Highland School; Pozo Quad. 457 Comment
  UC570137  Asclepias vestita B. Bolt 1936-5-25 730 San Luis Obispo 2.75 mi ne Santa Margarita; San Luis Obispo Quad. 335 Comment
  RSA43319  Asclepias vestita J. T. Howell 1948-6-15 s.n. San Luis Obispo Hughes Canyon SE of Shandon. 457 Comment
  OBI21251  Asphodelus fistulosus Robert F. Hoover 1956-4-14 8365 San Luis Obispo 1 mi W of Nipomo, at site of abandoned dump Comment
  CAS-BOT-BC65815  Aspidotis californica R. F. Hoover 1946-11-24 6567 E San Luis Obispo Hill above Salinas River opposite Pilitas Creek Comment
  UC454367  Aspidotis carlotta-halliae I. J. Condit 1910-4-16 San Luis Obispo Upper Chorro Creek Comment
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Feb 1 2015
  UCR131907  Aster lanceolatus subsp. hesperius George K. Helmkamp 2003-10-8 8199 San Luis Obispo Central Coast, base of Nipomo Mesa 0.25 mi SW of Halcyon Rd along an unnamed road near the railroad crossing 15 Comment
  UC1128829  Astragalus curtipes C. M. Belshaw 1936-3-23 1710 San Luis Obispo 1.4 mi ssw Hollister Pk.; Cayucos Quad., ssw of Hollister Pk 106 Comment
  CAS-BOT-BC177790  Astragalus curtipes R. F. Hoover 1947-2-24 6622 San Luis Obispo First ridge w. of Cerro Romauldo Comment
  OBI59539  Astragalus curtipes David J. Keil, with V. L. Holland and Michael Curto 2001-3-12 29168 San Luis Obispo Coastal side of Highway 1 along coast west of Cayucos, just east of China Harbor and west of Abalone Farm. Comment
  UC1128761  Astragalus didymocarpus W. A. Peterson 1937-4-14 687 San Luis Obispo 1/2 mi se of head Cedar Creek; La Panza Quad., se of head Cedar Creek Comment
  RSA0006754  Astragalus douglasii H. D. Ripley, R. C. Barneby, F. C. Ripley Jr. 1954-5-2 11266 San Luis Obispo N.E. of San Miguel. 198 Comment
  RSA639009  Astragalus douglasii Michael A. Vincent 1999-6-11 8609 San Luis Obispo At Shandon Rest Stop along Ca 1/46, 1.1 miles south of Chalome Creek bridge, and 5.5 miles south of Rt. 41/46 split. Comment
  OBI13359  Astragalus douglasii var. douglasii Robert F. Hoover 1947-4-2 6866 San Luis Obispo Upper Arroyo Grande, 6 mi above county park Comment
  CDA11368  Astragalus gambelianus G. F. Hrusa 1995-4-15 12091 San Luis Obispo La Panza Range; Immediately adjacent to Queen Bee Camp 1 m. S of La Panza Rd. summit. Comment
  OBI57848  Astragalus gambelianus David J. Keil 1998-4-7 26575 San Luis Obispo S of Creston on Hwy 229, 1.4 mi. S of Rocky Canyon Rd. 384 Comment
  SBBG118088  Astragalus gambelianus E. Painter, M. Wetherwax, J. Greenhouse 2001-3-20 CR 149 San Luis Obispo river side of rd to back of palisades above Boy Scout Rd, S of Nacimiento River; Camp Roberts 200 Comment
  UC57478  Astragalus gambelianus J. H. Barber 1900-3-30 San Luis Obispo Santa Lucia Mts. Comment
  SEINET948340  Astragalus gambelianus Lois E. James 1947-1 1755 San Luis Obispo Hills just N. of San Luis Obispo. On serpentine outcroppings. Comment
  CAS-BOT-BC187216  Astragalus lentiginosus var. idriensis Philip A. Munz 1951-4-13 16298 San Luis Obispo 20 miles west of McKittrick, St. Hwy 178, edge of Carrizo Plain 762 Comment
  RSA0020355  Astragalus lentiginosus var. nigricalycis Greg Wilvert 2005-5-1 370 San Luis Obispo Southeast half of the Caliente Range. 0.75 km S of Soda Lake Rd. along Pipeline Rd. 849 Comment
  UC1128818  Astragalus lentiginosus var. nigricalycis D. Axelrod 1935-3-31 223 San Luis Obispo 8 mi ese Cuyama Ranch; Santa Ynez Quad., ese of Cuyama Ranch Comment
  SEINET7040144  Astragalus lentiginosus var. nigricalycis A. G. Vestal 1962-4-10 San Luis Obispo Carrizo Plain, 3.5 miles northwest of Route 399. Comment
  CAS-BOT-BC187541  Astragalus macrodon Roxana S. Ferris 1939-5-23 9756 San Luis Obispo About 4 miles east of Templeton 426 Comment
  UC909509  Astragalus miguelensis Roxana S. Ferris and Laura Lorraine 1950-8-14 12355 San Luis Obispo Ocean Bluffs at San Simeon Creek (State Highway 1); Ocean Bluffs at San Simeon Creek Comment
  UCSB44897  Astragalus nuttallii var. nuttallii Cleveland, Joan 1979-5-12 San Luis Obispo Montana de Oro 12 Comment
  CAS-BOT-BC186515  Astragalus nuttallii var. nuttallii W. R. Dudley 1893-12-1 s.n. San Luis Obispo Hills back of Port Harford Comment
  CAS-BOT-BC194238  Astragalus oxyphysus Katherine Esau 1935-4-13 s.n. San Luis Obispo 9 miles SE of Simmler, Carrizo Plains Comment
  OBI27158  Astragalus oxyphysus B. W. & T. W., T. W. 1967-5-6 s.n. San Luis Obispo Playa Lake, Calif. Cyn Comment
  UCD22533  Astragalus oxyphysus Ralph Phillips 2003-4-10 S 10 San Luis Obispo San Luis Obispo County: Carrizo Plain. Along Soda Lake Road, north of intersection with Hwy 166. Barely inside the reserve. 700 Comment
  CAS-BOT-BC17580  Athysanus pusillus Roxana S. Ferris 1935-3-29 9081 San Luis Obispo 7 miles east of Pozo, on the Santa Maria-McKittrick Road. Comment
  RSA784821  Atriplex Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-6-18 49 San Luis Obispo close to soda lake, on Soda lake road Comment
  UCD77378  Atriplex Robert E. Preston 1998-6-17 1141 San Luis Obispo Carrizo Plain, N of Soda Lake, along 7 Mile Rd, 2.3 mi E of its jct with Soda Lake Rd 585 Comment
  OBI57387  Atriplex argentea var. expansa David J. Keil 1998-6-8 27718 San Luis Obispo Along Bitterwater Rd. in Choice Valley. Vicinity of Grant Lake. T27S R17E Sect.9 Comment
  CDA17563  Atriplex californica Austin Griffiths 1980-6-4 s.n. San Luis Obispo Oceano Dunes; Oso Flaco Lake area, westerly transect along N. slope of highest E/W dune ridge, N. of Lake. 30 Comment
  JEPS34365  Atriplex californica Rimo Bacigalupi and L. R. Heckard 1963-4-21 8840 San Luis Obispo ca 6.5 mi nw Point San Luis (between Crowbar Canyon and Diablo Canyon, on rocks jutting out of coastal terrace at Lion Rock, along coast; ...(on hills back of coastal plain)); Lion Rock, bet Crowbar Canyon and Diablo Canyon 22 Comment
  POM312484  Atriplex californica Malcolm A. Nobs, S. Galen Smith 1949-6-24 860 San Luis Obispo Salt marshes at east end of Morro Bay. Comment
  RSA65399  Atriplex californica F. W. Peirson 1920-8-1 1822 San Luis Obispo Morro Inlet. Comment
  OBI52091  Atriplex confertifolia Johna Cochran 1993-1 s.n. San Luis Obispo NE of Cuyama in Eastern part of Caliente Range 823 Comment
  OBI28864  Atriplex coronata David J. Keil 1981-4-24 14487 San Luis Obispo Rd at S end of Soda lake ca 1/4 mi E of Soda Lake Rd Comment
  UCD97368  Atriplex coronata var. vallicola Robert 'Roy' J. van de Hoek; Paula Schiffman 1995-4-30 257 San Luis Obispo San Luis Obispo County: Carrizo Plain, Panorama Road, about 5 miles north of Washburn House and about 1 mile south of R. C. (Rory Calhoun) Ranch, along Panorama Road about 5 meters off the road. Comment
  OBI59796  Atriplex fruticulosa George Butterworth 1997-7-4 135 San Luis Obispo T31S, R19E, S24, NW Qtr 20 yds E of Soda Lake Rd, 0.2 mi S of Cattle guard 584 Comment
  OBI72932  Atriplex leucophylla David J. Keil 1993-5-21 24067 San Luis Obispo Nipomo Dunes Preserve. Oso Flaco Lake Area. From Oso Flaco Parking area to beach North of Oso Flaco Creek Comment
  CAS-BOT-BC176579  Atriplex polycarpa R. F. Hoover 1946-9-14 6392 San Luis Obispo Shandon Comment
  OBI17642  Atriplex semibaccata Robert J. Rodin 1959-5-26 6355 San Luis Obispo At S end of Morro Bay Comment
  CAS-BOT-BC178414  Atriplex spinifera R. F. Hoover 1966-3-30 9758 San Luis Obispo West side of Soda Lake, Carrizo Plain Comment
  OBI66215  Atriplex suberecta David J. Keil 1998-10-9 28159 San Luis Obispo Along California Highway 33 s of junction with Ccalfornia Highway 166, ca. 0.7 miles n of Santa Barbara Co. line in Cuyama River Valley area. Comment
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Feb 5 2014
  OBI54904  Atriplex suberecta David J. Keil 1996-9-13 26017 San Luis Obispo Ca. 1 mi e of jctn w/Pozo Rd along CA 58, ca. 1 mi se of Santa Margarita. Comment
  LA105512  Avena barbata Barry A. Prigge; 1989-4-19 8613 San Luis Obispo Santa Lucia Mountains, San Bernardo Creek, ca 2.8 mi up San Bernardo Creek Rd from State Hwy 1 106 Comment
  CAS-BOT-BC145961  Avena fatua Ernest C. Twisselmann 1969-6-22 15644 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselman Ranch at teh head of Choice Valley. 640 Comment
  CDA16874  Avena fatua G. F. Hrusa, S. Towers 1992-3-27 s.n. San Luis Obispo Upper Salinas Valley; Hwy 46 ROW approx. 6 mi. E of Paso Robles. Comment
  OBI80670  Avena fatua David J. Keil 1992-4-12 22840 San Luis Obispo Laguna Lake City Park 170 Comment
  OBI2513  Avena fatua Larry E. Brown 1970-4-5 1765 San Luis Obispo Growing in a roadside at the Cuesta Ridge Botanic area ca. 8 mi N of San Luis Obispo Comment
  OBI5477  Avena fatua Sharon Jochums 1974-2-17 17 San Luis Obispo W of hwy 1 just S of Arroyo de la Cruz Comment
  OBI80457  Avena fatua Kevin Campos 2015-3-4 3 San Luis Obispo Cheda Ranch in Stenner Creek. Foothills of Santa Lucia Mountain Range, near Stenner Creek. Comment
  OBI66130  Avena sativa D. R. Miller 1994-3-25 394 -128 San Luis Obispo Pine Mt Region. In field aorund walnut orchard at Egebergs, San Simeon crk drainage 600 Comment
  NY814353  Azolla filiculoides M. A. Nobs 1949-6-22 380 San Luis Obispo Dune Lakes Gun Club, ca. 3 miles south of Oceano Comment
  CAS-BOT-BC99495  Baccharis pilularis R. F. Hoover 1966-9-13 10003 San Luis Obispo Ragged Point Comment
  POM350412  Baccharis pilularis Thekla Mohr 1911-07 3760 San Luis Obispo San Luis Obispo. Comment
  RSA216816  Baccharis pilularis Robert F. Hoover 1966-9-13 10003 San Luis Obispo Ragged Point Comment
  UC1583628  Baccharis pilularis David Keil 1986-10-13 19783 San Luis Obispo area on s shore of Morro Bay Sweet Springs; Morro Bay, Sweet Springs 5 Comment
  OBI16967  Baccharis pilularis W. Kent Allender 1962-12-17 9 San Luis Obispo Near Cuesta Summit Trail, Santa Lucia Range Comment
  OBI35780  Baccharis pilularis var. consanguinea Allison Berry 1984-4-20 123 San Luis Obispo Camp San Luis Shooting Facility; 6.5 mi N of San Luis Obispo on Hwy 1 Comment
  OBI56597  Baccharis plummerae subsp. plummerae David J. Keil 1998-8-24 27999 San Luis Obispo 3.3 road miles E of Alamo Creek Rd. along Hwy 166. 256 Comment
  UC1928012  Baccharis plummerae subsp. plummerae David Keil 1998-10-9 28126 San Luis Obispo California Highway 166, 3.4 road miles e of junction with Alamo Creek Rd. Comment
  RSA128061  Baccharis salicifolia Clare B. Hardham 1958-9-19 3865 San Luis Obispo Atascadero Creek, Atascadero Comment
  OBI38227  Baccharis salicifolia Eric Wise 1981-6-7 459 San Luis Obispo Cuyama River, 6.7 mi W of New Cuyama. Comment
  JEPS29209  Baccharis salicifolia subsp. salicifolia Ernest C. Twisselmann 1962-12-28 8013 San Luis Obispo Grant Lake 579 Comment
  OBI75573  Bauhinia variegata Matt Ritter 2011-9-30 5090 San Luis Obispo On Cal Poly campus next to bldg 13 just of N Perimeter Rd Comment
  CDA6265  Bellardia trixago Bob Lilley 1979-5-24 San Luis Obispo Camp San Luis, east of San Luis Obispo on Highway 1. 0 Comment
  OBI78688  Berberis aquifolium Bethany Davenport 2013-2-9 San Luis Obispo Downtown San Luis Obispo, North Broad Street, 100 yds. along San Luis Creek below San Luis Obispo Museum of Art, along path. 61 Comment
  UC463200  Berberis pinnata Roxana S. Ferris 1929-4-16 7678 San Luis Obispo 8 mi n Cayucos Comment
  OBI9015  Berula erecta Robert F. Hoover 1946-8-25 6342 San Luis Obispo Oceano Beach, behind coastal sand dunes Comment
  RSA195834  Berula erecta E. C. Twisselmann 1967-9-9 13686 San Luis Obispo Ortega Spring, Palo Prieta Canyon 599 Comment
  CDA43324  Bidens pilosa David J. Keil 2011-6-11 31045 San Luis Obispo O'Connor Way, 2 miles from Foothill Road, west of San Luis Obispo. Comment
  CAS-BOT-BC105952  Blennosperma nanum var. nanum Ernest C. Twisselmann 1955-3-22 1746 San Luis Obispo Temblor Range and the Western San Joaquin Valley - Soda Lake Road, 2 miles south of Simmler 609 Comment
  OBI16926  Blepharizonia laxa Robert F. Hoover 1966-10-8 10149 San Luis Obispo Pass at SE end of Carrizo Plain Comment
  UC1296356  Bloomeria crocea R. F. Hoover 1955-6-14 8359 San Luis Obispo San Simeon Comment
  UC2027143  Bloomeria crocea Greg Wilvert 2005-4-6 176 San Luis Obispo Southeast Half of Caliente Range: Ridge between Horse Canyon and Middle Canyon, 2.7 km S of Wells Spring Comment
  RSA492685  Bloomeria crocea var. aurea Walter Wisura, L. Aberbom 1989-5-16 4349 San Luis Obispo San Bernardo Creek Ranch, E of Morro Bay Comment
  CAS-BOT-BC478920  Bloomeria crocea var. crocea Clare B. Hardham 1957-5-30 2078 San Luis Obispo Klau Mine Comment
  CAS-BOT-BC478933  Bloomeria crocea var. crocea David D. Keck 1933-5-5 2208 San Luis Obispo 3 miles north of San Luis Obispo on U.S. 101 Comment
  UCSB70427  Bloomeria crocea var. crocea H., B.; N., C. 1989-5-13 San Luis Obispo Below Cuesta tunnel Comment
  OBI78535  Bolboschoenus maritimus subsp. paludosus Robert J. Rodin 1956-5-22 6066 San Luis Obispo At S end of Morro Bay State Park Comment
  OBI47491  Bowlesia incana David J. Keil, Corky Matthews, Ron Branson, Malcolm McLeod 1984-5-13 18235 -1 San Luis Obispo Vicinity of Arroyo de la Cruz, N of San Simeon Comment
  CAS-BOT-BC95394  Bowlesia incana Clare B. Hardham 1956-4-19 458 San Luis Obispo Santa Lucia Mtns., Kiler Canyon Comment
  SD249117  Bowlesia incana David Keil 1978-3-25 12697 San Luis Obispo Irving Ranch Comment
  CDA3593  Brassica tournefortii G. K. Helmkamp 2004-3-13 8358 San Luis Obispo Central Coast; Nipomo Mesa, along Hwy CA-1 (Mesa View Dr.), 0.4 mi S of Halcyon Rd, S of Arroyo Grande Comment
  OBI45542  Brassica tournefortii Clifton F. Smith 1975-5-13 10844 San Luis Obispo Above farmland NW of Guadalupe (S of Oso Flaco Lake) Comment
  CAS-BOT-BC100457  Brickellia californica Ernest C. Twisselmann 1965-11-2 11718 San Luis Obispo Ragged Point 45 Comment
  CAS-BOT-BC100590  Brickellia nevinii R. F. Hoover 1952-9-9 8331 San Luis Obispo Caliente Mt. Comment
  CAS-BOT-BC145454  Briza maxima W. A. Silveus 1938-6-23 3665 San Luis Obispo Cambria Pines. Comment
  IRVC29565  Briza maxima Mark A. Elvin, M. Moore, N. Huber, R. Leverette 2006-5-11 4834 San Luis Obispo Camp San Luis Obispo; E of Hwy 1, tributary to Chorro Creek. Central Coastal 168 Comment
  OBI25004  Briza minor David J. Keil, Dirk Walters 1980-4-26 13890 San Luis Obispo Along Town Crk near Lime Mtn Mine, W of Paso Robles Comment
  OBI39334  Briza minor David J. Keil, Rhonda Riggins, Richard A. Pimentel and D. R. "doc" Miller 1985-4-27 18709 San Luis Obispo 12.6 mi from Calif rte 1 on San Simeon Crk rd between Pine Mtn and Rocky Butte 869 Comment
  OBI66137  Briza minor D. R. Miller 1994-5-4 594 -304 San Luis Obispo Pine Mt Region, along main rd edge above 1st gate area (Turkey band) San Simeon crk drainage 488 Comment
  CAS-BOT-BC144231  Bromus arenarius Chester Dudley 1936-5-1 s.n. San Luis Obispo Paso Robles. Comment
  OBI64121  Bromus arenarius David J. Keil, with Beth Painter, Margriet Wetherwax, Jeff Greenhouse, and Dieter Wilken 2001-4-17 29322 San Luis Obispo Camp Roberts. Palisades area along dirt road, vicinity of 35 deg. 45.330'N x 120 deg. 50.716'W Comment
  OBI80631  Bromus berteroanus David J. Keil 1992-4-12 22818 San Luis Obispo Laguna Lake City Park 170 Comment
  POM262021  Bromus berteroanus I. L. Wiggins 1929-4-13 3428 San Luis Obispo Along Salinas River 5 miles north of Paso Robles. Comment
  RSA0043123  Bromus berteroanus Greg Wilvert 2005-4-6 179 San Luis Obispo Ridge between Horse Cyn. and Middle Cyn.; 2.7 km S of Wells Spring. 900 Comment
  SEINET14397130  Bromus breviaristatus D. Keil, Kathryn Bay and Rich Ferguson 1984-1 18153 San Luis Obispo American Cyn in La Panza Mts Comment
  RSA163783  Bromus carinatus Clare B. Hardham 1957-4-23 1711 San Luis Obispo Atascadro Ranch Comment
  CAS-BOT-BC155743  Bromus diandrus David D. Keck 1933-5-5 2189 San Luis Obispo Morro Bay. Odd Fellows Cemetery. Comment
  OBI79451  Bromus grandis David J. Keil, with Matt Ritter, D. R. Miller, David & Linda Chipping, Brett Hall, Steve McCabe, and Jenn Yost 2013-5-7 31730 San Luis Obispo Along upper slopes of Santa Lucia Mountains along Rocky Butte Truck Trail. Pine Mountain. 960 Comment
  OBI46095  Bromus hordeaceus LynneDee Oyler 1986-3-25 377 a San Luis Obispo Agua Escondido, USFS blue oak study area Comment
  RSA0039404  Bromus hordeaceus LeRoy Gross, Evan Meyer 2014-4-15 6256 San Luis Obispo Started at Rinconnada Mine parking area, off west Pozo Road. Near 35.28989N 120.47503W. Ended at the mouth of Little Falls Creek that empties into Lopez Canyon., Near 35.24611N 120.48745W. Entered into the Santa Lucia Wilderness at the start of Little Falls Creek trail. 204 Comment
  CAS-BOT-BC155108  Bromus hordeaceus Clare B. Hardham 1957-4-25 1804 San Luis Obispo Santa Lucia Mountains. Main ridge of Santa Lucias southeast of Cypress Mountain. Comment
  SBBG483  Bromus laevipes C. B. Hardham 1957-4-2 1620 San Luis Obispo Willow Crk district, SW of Paso Robles Comment
  CAS-BOT-BC162303  Bromus madritensis Ernest C. Twisselmann 1955-5-9 1956 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. 670 Comment
  OBI22419  Bromus madritensis subsp. madritensis Robert F. Hoover 1949-5-14 7678 San Luis Obispo Rocky Butte district, above San Simeon Comment
  UC589918  Bromus madritensis subsp. madritensis G. T. Nordstrom 1937-5-16 1253 San Luis Obispo 2.7 mi se of Chimney Rock 518 Comment
  CAS-BOT-BC161761  Bromus rubens Eben McMillan 1952-5-2 86 San Luis Obispo Choice Valley, 1 mile south, 8 miles east Shandon. Comment
  CAS-BOT-BC185627  Bromus tectorum Ernest C. Twisselmann 1961-5-6 6125 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch. 609 Comment
  OBI65895  Bromus tectorum D. R. Miller 1994-4-19 494 -214 San Luis Obispo Pine Mt Region. Along ridge rd edge near DR's driveway, Pico crk drainage Comment
  UC1131306  Bromus trinii H. C. Lee 1937-4-21 841 San Luis Obispo 1 1/2 mi w of Paso Robles 320 Comment
  OBI22413  Bromus vulgaris Robert F. Hoover 1964-6-7 9001 San Luis Obispo Chris Flood Crk Comment
  OBI60658  Cakile maritima Larry Kelly, David J. Keil 1988-10-1 304 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  OBI79155  Cakile maritima David J. Keil 2011-11-5 31148 San Luis Obispo Oceano. Pismo State Beach. Dunes between Oceano Campground and beach Comment
  SD51005  Cakile maritima Darley F. Howe 1960-4-9 2831 San Luis Obispo East side of Morro Bay. Comment
  SEINET11094103  Cakile maritima Unknown 1963-4-21 155 San Luis Obispo California San Luis Obispo County Altitude ca. 20 feet, sand dunes at southwest end of Morro Bay. Comment
  UCD57735  Calamagrostis rubescens Collector unknown 1953-10-26 San Luis Obispo San Luis Obispo County. Comment
  OBI66356  Calandrinia breweri David J. Keil, with Karen Danielson, Clifton Smith and Jeanette Sainz 1997-5-15 26260 San Luis Obispo Los padres national forest. la panza mountains. fringe of machesna mountain wilderness. ridge along road past castle crags and slopes below to south. area drained by small stream in canyon. 732 Comment
  UCR140109  Calandrinia ciliata George K. Helmkamp 2004-2-7 8258 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd., just east of Mesa View Dr. 76 Comment
  OBI73392  Calendula arvensis David J. Keil 2010-3-23 30669 San Luis Obispo Campus, California Polytechnic State University, San Luis Obispo. Along dirt road bordering agricultural fields between Crops Unit and Stenner Creek 87 Comment
  CAS-BOT-BC167335  California macrophylla Ernest C. Twisselmann 1965-3-23 10496 San Luis Obispo Pinole Hills at the head of Bitterwater Creek 670 Comment
  UC1928126  Callitriche trochlearis David Keil, Lynne Dee Althouse 2002-3-11 29747 San Luis Obispo Santa Margarita Ranch, ''Stage Coach Wetland'' ca. 4.5 miles south of Santa Margarita along dirt road west of Pozo Road Comment
  UCR122636  Calochortus albus George K. Helmkamp, E. A. Helmkamp 1998-5-19 3871 San Luis Obispo Outer South Coast Range; Santa Lucia Range, southwest of Paso Robles along CA Hwy 46 at York Mountain Road 366 Comment
  CAS-BOT-BC492194  Calochortus albus R. F. Hoover 1949-5-19 7711 San Luis Obispo Forks of San Simeon Creek Comment
  SBBG119466  Calochortus argillosus E. Painter, M. Wetherwax with J. Olson 2002-5-21 SLO 272 San Luis Obispo below Dughi Spring, SW of La Trinidad Mine; Camp San Luis Obispo 440 Comment
  OBI59366  Calochortus argillosus David Keil 2001-6-14 29525 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. 800 Comment
  CAS-BOT-BC132357  Calochortus clavatus Clare B. Hardham 1960-5-13 5698 San Luis Obispo Hills between San Juan River and Carissa Plains Comment
  OBI51769  Calochortus obispoensis R. Mike Arens 1994-6-10 99 San Luis Obispo Calif Polytechnic State Univ campus 244 Comment
  OBI21426  Calochortus simulans Eben McMillan 1952-5-5 107 San Luis Obispo Red Eagle Mineral Mine 12 mi S of Shandon Comment
  UC1134515  Calochortus splendens H. C. Lee 1937-5-10 911 San Luis Obispo 0.75 mi n Lake Ysabel; Paso Robles Quad. 259 Comment
  CAS-BOT-BC496853  Calochortus venustus Clare B. Hardham 1960-6-1 5981 San Luis Obispo Pine Mt. Comment
  SEINET5725037 Image available Calochortus venustus Stephen R. Chapman 1963-1 50 San Luis Obispo along Walter's Orchard Road, .8 mile north and 5.1 miles east of Creston.; Creston Comment
  RSA778856  Calystegia longipes David J. Keil 1987-5-6 20112 San Luis Obispo Highway 58, East of Santa Margarita. Ca 1 mile east of Hwy 229. Chaparral area. Comment
  SEINET2444508  Calystegia macrostegia Jillian C. Boettcher 2002-4-29 8 San Luis Obispo Avila Beach. Avila Beach drive turnout 1 mile off Hwy 101 exit. 6 Comment
  OBI15319  Calystegia macrostegia subsp. cyclostegia Jesse Arnold 1964-3-1 31 San Luis Obispo SE slope of Tower Hill, facing cal Poly fruit orchard Comment
  OBI83673  Calystegia macrostegia subsp. cyclostegia Allison Tuuri, Jody Maddigan, Erika Rhodes, Cindy Want, Matt Murray, Nano Schmidt 2017-4-23 5 San Luis Obispo Ontario Ridge Trail, Avila. 1/6 mile north down trail on west side of trail. 220 Comment
  UC1969506  Calystegia macrostegia subsp. cyclostegia David Keil 25-26 June 1988 20818 San Luis Obispo Morro Bay. Rolling hills between Downing Ave. and South Bay Blvd. north of California Rte. 1. Comment
  UC455623  Calystegia macrostegia subsp. cyclostegia I. J. Condit 1907-12-16 San Luis Obispo C.P.S. Canyon C.P.S. Canyon (California Polytechnic School Canyon) Comment
  OBI59533  Calystegia malacophylla David J. Keil, with V. L. Holland 1999-5-4 28307 San Luis Obispo Camp Roberts. Sulfur Springs Road, 0.5?1.1 miles w of junction with Deer Trail Road. Comment
  UCR4762  Calystegia malacophylla subsp. pedicellata Frank C. Vasek 1960-5-7 600507- 01 San Luis Obispo Central Coast Range, 0.7-0.75 mile east of La Panza Campgrounds [near La Panza Summit], on Pozo Road 747 Comment
  CAS-BOT-BC221161  Calystegia malacophylla subsp. pedicellata Chester Dudley 1936-5-1 s.n. San Luis Obispo Nacimiento River Comment
  OBI63064  Calystegia subacaulis subsp. episcopalis Richard K. Brummitt & David J. Keil, David J. Keil 1998-5-9 19804 San Luis Obispo SW suburbs of San lUis Obispo, above Prefumo Crk 100 Comment
  OBI67037  Calystegia subacaulis subsp. episcopalis David J. Keil, with V. L. Holland 2001-5-24 29491 San Luis Obispo Western outskirts of Atascadero. 3-F Me4adows area, proposed for housing development Comment
  OBI62694  Calystegia subacaulis subsp. episcopalis LynneDee Althouse, Jason Dart 2003-5-6 D 175 San Luis Obispo Santa Margarita Ranch, under powerlines 0.33 mi SW of Yerba Buena Crk (Miller Flat) 381 Comment
  OBI64122  Camissonia David J. Keil, with Beth Painter, Margriet Wetherwax, Jeff Greenhouse, and Dieter Wilken 2001-4-17 29321 San Luis Obispo Camp Roberts. Palisades area along dirt road, vicinity of 35 deg. 45.330'N x 120 deg. 50.716'W Comment
  RSA0024944  Camissonia californica Greg Wilvert 2005-4-30 349 San Luis Obispo Along Padrones Canyon Road. 864 Comment
  SEINET4136576  Camissonia californica David Keil 1987-5-6 20114 San Luis Obispo Highway 229 ca 1/2 mile north of junction highway 58.; 0 Comment
Read comments
Jul 13 2018
  RSA186798  Camissonia campestris subsp. campestris Peter H. Raven 1962-3-25 16973 San Luis Obispo 0.4 miles south of San Juan Creek south of Shandon 351 Comment
  OBI72328  Camissonia campestris subsp. obispoensis Anthony Baniaga, Theo Fitanides 2010-5-16 209 San Luis Obispo Tierra Redonda Mtn BLM ACEC 614 Comment
  SBBG4918  Camissonia campestris subsp. obispoensis C. B. Hardham 1957-5-4 1859 San Luis Obispo Tierra Redonda Comment
  OBI81110  Camissonia contorta Jason Dart, A. Weichert, G. Hind 2010-5-19 398 -H19 San Luis Obispo Hind River Ranch, west side of Salinas River along the dirt entrance road parallelling Crescent Lake, approximately 1.25 miles east of the intersection of Highway 58 and Pozo Road 334 Comment
  UCR132064  Camissonia micrantha George K. Helmkamp 2003-7-29 8039 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  RSA145189  Camissonia micrantha E. G. Linsley, J. W. MacSwain 1959-4-28 59 -85 San Luis Obispo 3 miles east of Santa Margarita. Quarry Station. Comment
  RSA211977  Camissonia strigulosa E. C. Twisselmann 1969-6-22 15640 San Luis Obispo Dorothy Twisselmann Ranch at the head of Choice Valley 640 Comment
  SD193318  Camissonia strigulosa G. K. Helmkamp, E. A. Helmkamp 2005-4-17 9365 San Luis Obispo Corbett Canyon, 2.3 miles north of Highway CA 227 in Arroyo Grande. 81 Comment
  OBI28426  Camissoniopsis cheiranthifolia Karin Long 1982-4-3 s.n. San Luis Obispo On the Secondary dunes-Morro Bay sand spit at the southern end of Shark Inlet Comment
  CAS-BOT-BC160303  Camissoniopsis cheiranthifolia subsp. cheiranthifolia R. F. Hoover 1964-6-13 9092 San Luis Obispo Point Sierra Nevada, just north of Arroyo de la Cruz Comment
  LA211684  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Mark A. Elvin; 2014-9-16 7625 San Luis Obispo SANTA MARIA RIVER VALLEY, Guandalupe-Nipomo Dunes National Wildlife Refuge, Myrtle Pond wetland, ca. 250 meters from Pacific Ocean. 9.0 Comment
  SD38655  Camissoniopsis cheiranthifolia subsp. cheiranthifolia E. A. Purer 1931-8-6 San Luis Obispo Oceano; Sand dunes Comment
  LA25814  Camissoniopsis hardhamiae Clare B. Hardham; 1957-6-22 2293 San Luis Obispo 1.1 mi. N of intersection with Park Hill road on Calf Canyon road Comment
  UC1122268  Camissoniopsis ignota W. A. Peterson 1937-4-29 772 San Luis Obispo Martinez Canyon La Panza Quadrangle Comment
  UCSB40021  Camissoniopsis ignota Sauls, Mary 1978-5-13 San Luis Obispo 4.4 miles east of turnoff to Black Mountain Lookout, on graded road to Navajo Campground, Panza Mtn. range, Los Padres Natl. Forest Comment
  UC1122269  Camissoniopsis micrantha C. M. Belshaw 1936-3-17 1601 San Luis Obispo 2 mi sse Nipomo (Plot 1); Nipomo Quadrangle 76 Comment
  OBI82557  Campsis radicans David J. Keil, with Bill Waycott et al. 2015-7-9 33332 San Luis Obispo San Luis Obispo Creek in downtown San Luis Obispo 65 Comment
  UCR140122  Capsella bursa-pastoris George K. Helmkamp 2004-2-6 8246 San Luis Obispo Central Coast, Oso Flaco Lake Road, 0.5 mi east of the lake 9 Comment
  RSA128460  Cardamine californica var. integrifolia Clare B. Hardham 1958-3-22 2912 San Luis Obispo Steiner Creek near San Luis Obispo. Comment
  CDA34869  Cardamine hirsuta David J. Keil 2000-3-6 28231 San Luis Obispo Los Osos; old, washed out bridge at eastern end of Santa Ysabel, south of Turri Rd. Near mouth of Los Osos Creek. Comment
  OBI47476  Cardamine oligosperma David J. Keil, Art Webster 1984-4-29 18207 San Luis Obispo In cyn bottom of Lopez Wilderness Area Comment
  SBBG30898  Cardionema ramosissimum R. N. Philbrick 1968-6-7 San Luis Obispo Jack Lake, W of Nipomo Comment
  OBI17762  Carduus pycnocephalus Dave Imper 1977-3-21 76 San Luis Obispo Price Cyn Tarsands Project. Project location 1 mi SW of hwy 227 on Price Cyn Rd 91 Comment
  RSA0042098  Carduus pycnocephalus LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-30 6339 San Luis Obispo Garcia Mountain. Most collections made in the Garcia Wilderness. Stony Creek campground. From the camp down stream to the trail that cuts across from Caldwell Mesa to Avenales Station., From 35.20955N 120.25839W TO 35.22463N 120.28397W. 573 Comment
  OBI40670  Carex barbarae David J. Keil 1985-6-9 18798 San Luis Obispo Los Osos/Baywood Park area. End of Nipomo Ave (1.5 blocks ESE of Willow Dr) and N across scrub to Eto lake Comment
  UC1969531  Carex globosa David Keil with Mike Mattina 2010-5-31 30794 San Luis Obispo Western slope of Santa Lucia Mts. Los Padres National Forest. Trail system east of Ragged Point. Comment
  CAS-BOT-BC21857  Carex harfordii R. F. Hoover 1947-6-2 7259 San Luis Obispo Cambria. Comment
  CAS-BOT-BC21861  Carex harfordii R. F. Hoover 1947-5-25 7218 San Luis Obispo Cambria. Comment
  SBBG17404  Carex mendocinensis C. B. Hardham 1960-6-17 6160 San Luis Obispo headwaters Chris Flood Crk, (San Carpoforo) Comment
  OBI36122  Carex nudata C. Dennis Hynes 1985-3-22 s.n. San Luis Obispo Atascadero: along Atascadero crk Comment
  SBBG119099  Carex obispoensis E. Painter, M. Wetherwax 2000-6-12 SLO 136 San Luis Obispo below Pick and Shovel Mine; Camp San Luis Obispo 400 Comment
  CAS-BOT-BC26332  Carex obispoensis Alice Eastwood; John Thomas Howell 1936-5-7 2271 San Luis Obispo Serrano Canyon near San Luis Obispo 152 Comment
  OBI6399  Carex obispoensis Robert F. Hoover 1946-6-2 6115 San Luis Obispo Rinconada Mine, btw Santa Margarita and Pozo, Comment
  RSA142024  Carex obispoensis Clare B. Hardham 1960-6-1 6000 San Luis Obispo Santa Lucia Mountains: Burnett Peak Comment
  UC1153412  Carex obnupta R. F. Hoover 1950-5-5 7867 San Luis Obispo s end Morro Bay Comment
  OBI42877  Carex praegracilis Robert J. Rodin 1972-3-29 8611 San Luis Obispo Oso Flaco, S side of lagoon Comment
  SBBG96258  Carex praegracilis C. F. Smith 1961-6-1 6427 San Luis Obispo Oso Flaco Lake, N of Guadalupe Comment
  OBI40136  Carex praegracilis David J. Keil 1981-4-25 17577 San Luis Obispo Baywood Park at Sweet Springs marsh Comment
  UC1927799  Carex spissa David Keil, Tina Teed and Mariko Uchida 2001-6-15 29584 San Luis Obispo Camp San Luis Obispo. Chorro Creep drainage. Chorro Creek Bog Thistle exclosure. Vicinity of 35.3442 N, 120.6800 W Comment
  RSA180123  Carex subbracteata Clare B. Hardham 1962-4-24 9069 San Luis Obispo SE side old pass between Toro Creek and Morro Creek on the Toro Creek Road. Santa Lucia Mountains. Comment
  OBI31177  Castilleja affinis Julie M. Vanderwier 1978-5-5 36 San Luis Obispo Indian Knob Tar Sands Comment
  OBI9703  Castilleja affinis R. D. Brister 1966-4-29 61 San Luis Obispo Cal Poly, San Luis Obispo, campus; radio hill Comment
  RSA181891  Castilleja affinis Robert F. Hoover 1947-3-8 6655 San Luis Obispo San Simeon. Comment
  SBBG6756  Castilleja affinis C. B. Hardham 1958-3-29 2961 San Luis Obispo head of Toro Crk Comment
  OBI29818  Castilleja affinis Ruth Davis 1964-4-7 34 San Luis Obispo See Cyn Rd, about 1/2 mi in; 8 mi from San Luis Obispo, toward Avila Beach Comment
  RSA0051711  Castilleja affinis W. M. Arbaugh 1968-5-7 193 San Luis Obispo See Canyon. Comment
  RSA17803  Castilleja affinis Carl B. Wolf 1929-4-15 3569 San Luis Obispo 2-3 miles inland from ocean and about 5 miles north of Santa Maria River. 61 Comment
  SBBG104838  Castilleja affinis subsp. affinis M. D. Proctor, E. A. Young 1993-4-17 ROB 472 San Luis Obispo N side of Cerro Romualdo; Camp San Luis Obispo Comment
  LA209098  Castilleja affinis subsp. affinis O. H. Kappler; 1989-4-19 8693 San Luis Obispo Santa Lucia Mountains, San Bernardo Creek Drainage: ca 5 air mi E of Morro Bay 487 Comment
  CDA17920  Castilleja affinis var. contentiosa Austin Griffiths, M. D. Knutsen, K. G. Jones & G. A. Solzgeber 1986-6-11 s.n. San Luis Obispo Guadalupe Dunes; Golden Girls Meadow, NW edge of Santa Maria River Estuary in first northerly arroyo. 0 Comment
  OBI37956  Castilleja attenuata David J. Keil, Rhonda Riggins, Richard A. Pimentel, and D. R. "Doc" Miller 1985-4-27 18624 San Luis Obispo 19.5 mi from Calif Rte 1 along San Simeon Crk Rd, N of Rocky Butte lookout at locked gate 732 Comment
  UC1315044  Castilleja brevistyla R. F. Hoover 1967-4-5 10362 San Luis Obispo w edge Carrizo Plain (on Highway 58) Comment
  JEPS116458  Castilleja densiflora Alice Le Duc 1999-4-23 388 San Luis Obispo Atascadero; ; ; on a 5+ acre parcel of land on Graves Creek, lot 31 Block 16 of Atascadero colony in the City of Atascadero Comment
  OBI25054  Castilleja densiflora David J. Keil, Dirk Walters 1980-4-26 13856 San Luis Obispo Along Town Crk near Lime Mtn Mine, W of Paso Robles Comment
  OBI9406  Castilleja densiflora subsp. densiflora Robert F. Hoover 1967-4-8 10369 San Luis Obispo 18 mi SE of Creston on La Panza Rd Comment
  OBI31678  Castilleja densiflora subsp. obispoensis Turnquist, Smeltzer 1982-5-1 81 San Luis Obispo On the NE side of Laguna Lake Park Comment
  UC569783  Castilleja densiflora subsp. obispoensis N. K. Carlson 1936-3-22 208 San Luis Obispo 0.6 mi nne Sycamore Springs; Arroyo Grande Quad. 53 Comment
  OBI37879  Castilleja exserta David J. Keil, Rhonda Riggins, Richard A. Pimentel, and D. R. "Doc" Miller 1985-4-27 18617 San Luis Obispo 19.5 mi from Calif Rte 1 along San Simeon Crk Rd, N of Rocky Butte lookout at locked gate 732 Comment
  RSA586602  Castilleja foliolosa M. D. Proctor, E. A. Young 1993-3-18 ROB- 241 San Luis Obispo Sulphur Spring Road; in middle of Area R. Comment
  OBI55190  Castilleja minor var. stenantha Greg Frugoli 1997-5-31 92 San Luis Obispo Near a crk in Fraser Cyn, La Panza range, Los Padres NF (hwy 58 burn area) 567 Comment
  OBI74541  Castilleja plagiotoma George Butterworth 2010-4-23 783 San Luis Obispo Chimineas Ranch. Garcia rd, 0.1 mi S of Black Chin Rd 1036 Comment
  UC1127025  Caulanthus anceps P. L. Johannsen 1937-5-11 1119 San Luis Obispo 3 mi n Walnut Springs; McKittrick Quad. 762 Comment
  CAS-BOT-BC38224  Caulanthus anceps Mrs. H. C. Cantelow 1935-3-17 s.n. San Luis Obispo East of Paso Robles. Comment
  POM203587  Caulanthus anceps I. L. Wiggins 1932-3-21 s.n. San Luis Obispo Near junction of Carrizo Plain road with Bitterwater Valley Road. Comment
  POM224189  Caulanthus anceps Ethel Crum 1935-4-13 1727 San Luis Obispo 19 miles N of Simmler, on Cholame road. 915 Comment
  UC569961  Caulanthus californicus C. M. Belshaw 1936-4-2 1788 San Luis Obispo Carrizo Plain 13 mi se Soda Lake; McKittrick Quad., Carrizo Plain, se of Soda Lake 637 Comment
  CAS-BOT-BC40363  Caulanthus lasiophyllus Clare B. Hardham 1959-5-6 4425 San Luis Obispo Santa Lucia Mountains. Shores of Nacimiento Lake. Comment
  OBI48258  Caulanthus lasiophyllus David J. Keil 1989-6-3 21217 San Luis Obispo Between Atascadero and Morro Bay along Calif hwy 41; 0.4 mi S of hwy at Cerro Alto Campground Comment
  OBI67096  Caulanthus lemmonii David J. Keil, with Kathleen A. Keil 2001-4-20 29360 San Luis Obispo Bitterwater Canyon. Along Bitterwater Road ca. 10 miles north of junction with Highway 58. Vicinity of 35.50206 deg. N x 120.07846 deg. W 671 Comment
  CAS-BOT-BC39533  Caulanthus lemmonii Ira L. Wiggins 1932-3-21 5819 San Luis Obispo Near junction of Carisa Plain road with Bitterwater Valley road. Comment
  CAS-BOT-BC48998  Ceanothus cuneatus R. F. Hoover 1968-12-26 11181 San Luis Obispo Los Osos Comment
  CAS-BOT-BC49021  Ceanothus cuneatus R. F. Hoover 1947-3-9 6663 San Luis Obispo Head of Calf Canyon east of Santa Margarita Comment
  UCR13727  Ceanothus cuneatus R. S. Woglum 1940-4-21 2660 San Luis Obispo Morro Bay area Comment
  POM202995  Ceanothus cuneatus Mary E. Wall 1933-4-21 s.n. San Luis Obispo San Luis Obispo: Santa Margarita, Eldorado School Comment
  RSA67543  Ceanothus cuneatus P. A. Munz 1951-4-13 16314 San Luis Obispo Grade on Hwy 178, above La Panza Public Camp, La Panza Range. 701 Comment
  RSA81726  Ceanothus cuneatus Roxana S. Ferris, Rimo Bacigalupi 1951-3-31 12369 San Luis Obispo Hwy 179 between Pozo and La Panza, 2 miles W of summit. Comment
  SEINET11191322  Ceanothus cuneatus J. H. Barber 1900-3-30 1012 San Luis Obispo Santa Lucia Mountains Comment
  SBBG104811  Ceanothus cuneatus var. cuneatus M. D. Proctor, E. A. Young 1993-3-17 ROB 179 San Luis Obispo 2 km SE of Twin Bridges on Boy Scout Rd; Camp Roberts Comment
  UC1276245  Ceanothus cuneatus var. cuneatus R. F. Hoover 1958-3-26 8433 San Luis Obispo Ridge of Santa Lucia Mts. nw of Cuesta Pass. Comment
  CDA17927  Ceanothus cuneatus var. fascicularis Austin Griffiths, G. F. Hrusa 1987-4-29 18138 San Luis Obispo Montana de Oro State Park; 4th sandhill N of Spooners Cove. 0 Comment
  CAS-BOT-BC49124  Ceanothus cuneatus var. ramulosus Clare B. Hardham 1956-3-2 161 San Luis Obispo Santa Lucia Mountains - Santa Rita Road, West side of ridge Comment
  RSA534654  Ceanothus cuneatus var. rigidus D. A. Young, Junak 1989-3-13 1843 San Luis Obispo West end of Cuesta Ridge Botanical area near the end of the reserve. Comment
  OBI10261  Ceanothus cyaneus Bonnie M. Thompson 1963-11-20 560 San Luis Obispo Library patio; Cal Poly campus, SLO Comment
  OBI10262  Ceanothus cyaneus R. E. Vargas 1966-5-8 34 San Luis Obispo Cultivated at Cal Poly campus Comment
  RSA660580  Ceanothus foliosus var. medius Austin P. Griffiths 1987-5-2 18166 San Luis Obispo W end of Cuesta Ridge Botanical Area Comment
  UC1070665  Ceanothus greggii E. Armstrong 1934-4-1 1157 San Luis Obispo Rinconado Creek San Luis Obispo quad. 609 Comment
  UC1315082  Ceanothus griseus R. F. Hoover 1967-2-18 10215 San Luis Obispo Diablo Canyon, San Luis Range Comment
  CAS-BOT-BC50028  Ceanothus impressus R. F. Hoover 1948-4-5 7436 San Luis Obispo Edge of San Luis Valley on Carpenter Canyon road to Arroyo Grande, East exposure Comment
  UC657895 Image available Ceanothus impressus M. Van Rensselaer 1941-6-22 1685 San Luis Obispo exactly 4 mi w (or nw) Nipomo; Nipomo Mesa; Nipomo Mesa, San Luis Obispo Co. Comment
  SBBG110351  Ceanothus leucodermis C. B. Hardham 1959-4-23 4293 San Luis Obispo near Atascadero Comment
  RSA122430  Ceanothus leucodermis B. Bolt 1936-5-29 15742 San Luis Obispo 1/2 mile NNE of Santa Margarita. 351 Comment
  RSA155424B  Ceanothus leucodermis L. S. Rose 1961-4-15 61046 San Luis Obispo 1 miles SE of Nacimiento Dam 213 Comment
  RSA398924  Ceanothus oliganthus var. sorediatus Albert J. Perkins 1920-5-4 s.n. San Luis Obispo Paso Robles, Perkins Ranch. Comment
  UC1071343  Ceanothus oliganthus var. sorediatus T. M. Hendrix 1937-4-23 87 San Luis Obispo 1.4 mi nw Hi Mt.; Pozo quad. 548 Comment
  CAS-BOT-BC51575  Ceanothus oliganthus var. sorediatus Ernest C. Twisselmann 1957-4-28 3420 San Luis Obispo Martinez Canyon 673 Comment
  OBI10348  Ceanothus oliganthus var. sorediatus Carl B. Wolf 1941-7-11 10978 San Luis Obispo Santa Lucia Range, 1/4 mi NW of summit of Cuesta Grade 427 Comment
  OBI10350  Ceanothus oliganthus var. sorediatus Robert F. Hoover 1948-4-16 7456 San Luis Obispo Upper Morro Crk Comment
  OBI28202  Ceanothus oliganthus var. sorediatus Penny Principe 1982-5-2 s.n. San Luis Obispo Santa Lucia Mts, E Cuesta Ridge, 3.05 mi SE of hwy 101 Comment
  UC1178412  Ceanothus oliganthus var. sorediatus R. J. Rodin 1957-4-9 6143 San Luis Obispo 1/2 mi w Cuesta Summit; Hwy 101 Comment
  UC1276257  Ceanothus oliganthus var. sorediatus R. F. Hoover 1951-4-15 8048 San Luis Obispo Stoney Creek Comment
  CAS-BOT-BC50413  Ceanothus papillosus Roxana S. Ferris 1939-6-18 9790 San Luis Obispo Santa Lucia Mountains - Summit road along south fork of Las Tablas Creek on Klau-Cambria Road 579 Comment
  CAS-BOT-BC51232  Ceanothus papillosus Clare B. Hardham 1957-5-26 1752 San Luis Obispo Santa Lucia Mts. - South road to Adelaida - west of Paso Robles Comment
  OBI10407  Ceanothus papillosus Merlyne Prescott 1969-5-4 236 San Luis Obispo 4 mi SE of Cuesta Summit in Los Padres Natl Forest 610 Comment
  OBI66076  Ceanothus papillosus D. R. Miller 1994-3-18 394 -116 San Luis Obispo Pine Mt. Region. Along Pond edge at Cole ranch, Marmolejo Crk drainage 700 Comment
  UCD34865  Ceanothus papillosus var. roweanus Beecher Crampton 1964-5-20 7003 San Luis Obispo San Luis Obispo County, ca. 11 miles N.W. of Templeton, Klau Mine area. Comment
  UCD170402  Ceanothus thyrsiflorus var. griseus D. O. Burge; S. Ratay 2016-12-3 2208 San Luis Obispo San Luis Obispo County: Cerro Cabrillo area, N slope of ridge connecting Cerro Cabrillo to Hollister Peak. 62 Comment
  CDA7011  Centaurea cyanus T. C. Fuller 1959-6-22 3937 San Luis Obispo 0.1 mile south of Atascadero. 0 Comment
  OBI65185  Centaurea melitensis Greg Wilvert 2005-6-29 484 San Luis Obispo SE Half of the Caliente Range. Padrones Spring Comment
  OBI79352  Centaurea melitensis David J. Keil, with Matt Ritter, Mike Simpson, David Chipping, Heath Bartosh, & Taylor Crow 2013-5-2 31625 San Luis Obispo Avenales Ranch, south of Pozo. South of ranch headquarters on steep side road leading westward from Avenales Ranch Road (Forest Route 31S02) 540 Comment
  RSA0028148  Centaurea melitensis Greg Wilvert 2005-6-29 484 San Luis Obispo Padrones Spring. 882 Comment
  SBBG93905  Centaurea melitensis S. A. Junak, T. Ayers 1989-6-28 4097 San Luis Obispo N of USFS Rd 29S11.3, just S of KSBY TV towers, ca. 2.7 mi W of US Hwy 101 762 Comment
  CAS-BOT-BC277223  Centaurea solstitialis Ernest C. Twisselmann 1958-9-20 4801 San Luis Obispo Highway U.S: 466, 1 mile east of Shandon 304 Comment
  RSA585487  Centaurium davyi R. E. Riefner Jr. 1994-4-15 94 -311 San Luis Obispo Camarillo Peaks, Morro Bay State Parks. Comment
  RSA491697  Centaurium exaltatum James L. Reveal, C. Rose Broome, Clare B. Hardham 1987-6-16 6471 San Luis Obispo Along Las Tablas Road, 1.3 miles north of the Las Tablas Fire Station along Las Tablas Creek, about 14 airline miles west of Paso Robles. Comment
  CAS-BOT-BC279306  Centromadia pungens subsp. pungens David D. Keck 1932-10-15 1974 San Luis Obispo 2 mi. S. of Atascadero Comment
  UCR163605  Cerastium glomeratum George K. Helmkamp, E. A. Helmkamp 2005-3-25 9198 San Luis Obispo Outer South Coast Ranges, Santa Lucia Wilderness; Hi Mountain Road, 6.7 miles ENE of Lopez Lake near Salt Creek 399 Comment
  JEPS99472  Cercocarpus betuloides Clare B. Hardham 1958-4-8 2995 San Luis Obispo Santa Lucia Mountains Comment
  SBBG16248  Cercocarpus betuloides var. betuloides M. A. Piehl 1963-4-20 6372 San Luis Obispo ca. 0.75 mi W of Hwy 101 at Cuesta Summit Comment
  CAS-BOT-BC137155  Cercocarpus betuloides var. betuloides Mary E. Wall 1933-4-20 s.n. San Luis Obispo Santa Margarita, Eldorado School Comment
  CAS-BOT-BC137164  Cercocarpus betuloides var. betuloides Ernest C. Twisselmann 1955-7-22 2281 San Luis Obispo Upper Navajo Canyon 792 Comment
  CAS-BOT-BC137172  Cercocarpus betuloides var. betuloides Roxana S. Ferris 1929-4-13 7516 San Luis Obispo Foot of the Cuesta Grade northern side Comment
  OBI64946  Chaenactis glabriuscula var. glabriuscula Greg Wilvert 2005-3-26 41 San Luis Obispo SE Half of the Caliente Range. approx 3.2 km N of Wells Cyn on the N edge of the Caliente Range 826 Comment
  CAS-BOT-BC277482  Chaenactis glabriuscula var. glabriuscula David D. Keck 1933-5-6 2238 San Luis Obispo Cuyama River, 15 miles west of Caliente Ranch Comment
  OBI34076  Chaenactis glabriuscula var. lanosa Kathy Jones 1982-5-7 s.n. San Luis Obispo Nipomo Mesa, S of Arroyo Grande. Big Coreopsis Hill Comment
  UC52338  Chaenactis glabriuscula var. lanosa R. W. Summers San Luis Obispo Santa Lucia Mountains Comment
  CAS-BOT-BC277606  Chaenactis glabriuscula var. lanosa Ernest C. Twisselmann 1971-4-10 17573 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Goldtree Hills, southwest of Grants Lake 609 Comment
  UC1315069  Chaenactis stevioides R. F. Hoover 1967-3-22 10257 San Luis Obispo e of Soda Lake (in second large canyon n from Crocker Grade); Temblor Range Comment
  SJSU3426  Cheilanthes covillei C. W. Sharsmith 1962-4-22 San Luis Obispo Carrizo Rocks on margin of Carrizo Plain c. 4 mi SW of Simmler, eastern San Luis Obispo County. Comment
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Jun 22 2012
  OBI60497  Chenopodium album Larry Kelly, David J. Keil 1988-10-1 317 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  OBI66605  Chenopodium album David J. Keil 1998-10-9 28162 San Luis Obispo Along California Highway 33 s of junction with Ccalfornia Highway 166, ca. 0.7 miles n of Santa Barbara Co. line in Cuyama River Valley area. Comment
  SBBG102662  Chenopodium album C. F. Smith 1958-7-15 5815 San Luis Obispo off Hwy 166, ca. 2 mi E of Old Cuyama Comment
  CAS-BOT-BC426304  Chenopodium album R. F. Hoover 1964-8-13 9236 San Luis Obispo Mouth of Morro Creek Comment
  IRVC28936  Chenopodium ambrosioides G. K. Helmkamp 2003-11-22 8228 San Luis Obispo base of Nipomo Mesa on unnamed road 0.1 mi SW of Halcyon Rd at the railroad crossing, just south of Arroyo Grande Central Coast 15 Comment
  RSA767769  Chenopodium littoreum Nuri Benet-Pierce, John P. Pierce 2010-6-4 294 San Luis Obispo Semi-stabilized dunes at Nipomo-Dunes National Wildlife Refuge, Guadalupe 11 Comment
  SDSU19552  Chenopodium littoreum Nuri Benet-Pierce, John P Pierce 2010-6-7 310 San Luis Obispo Land Conservancy Preserve at Black Lake, Guadalupe, California 20 Comment
  OBI17656  Chenopodium murale Kamran Alavi 1977-8-19 12 San Luis Obispo Occonor Way, SLO. Near a horse stall Comment
  UCD98490  Chenopodium strictum G. K. Helmkamp; E. A. Helmkamp 2000-9-1 5958 San Luis Obispo San Luis Obispo County: Los Osos: Martingale at Buckskin. 30 Comment
  CAS-BOT-BC184861  Chloris virgata Ernest C. Twisselmann 1955-8-8 2299 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselman Ranch. 670 Comment
  OBI60927  Chlorogalum purpureum var. purpureum David J. Keil, Margriet Wetherwax, Beth Painter, Jody Olsen, Kevin Downing, Charis Bratt, and LynneDee Althouse 2000-5-16 s.n. San Luis Obispo Camp Roberts; along C25 Rd, between Avery and Tower Rd Comment
  UC1935433  Chloropyron maritimum subsp. maritimum Malcolm G. McLeod 1987-7-12 1391 San Luis Obispo Morro Bay sandspit, east side at Shelter Cove. Comment
  SD148066  Chloropyron maritimum subsp. palustre G. K. Helmkamp, E. A. Helmkamp 2000-6-15 5686 San Luis Obispo Coastal strand between Los Osos and sand dunes W of the end of Howard street (Morro Bay South) 14 Comment
  UC1927830  Chorispora tenella David Keil 2008-4-17 30513 San Luis Obispo Highway 166, 1.2 miles west of junction with Highway 33. Cuyama Valley east of Cuyama. 720 Comment
  CAS-BOT-BC178908  Chorizanthe Chester Dudley 1936-4-1 s.n. San Luis Obispo Palo Prieto Canyon Comment
  JEPS13195  Chorizanthe angustifolia Rimo Bacigalupi with G. T. Robbins and Keith Harrison 1955-5-16 5148 San Luis Obispo just s Black Lake Canyon (5 mi s of Oceano) 30 Comment
  OBI59240  Chorizanthe angustifolia G. F. Hrusa, D. Ragan 1998-7-21 14760 San Luis Obispo Nipomo Dunes. Emmed W of intersection of Callender Rd and hwy 1. USGS Quad: Oceano 7.5 Comment
  RSA687503  Chorizanthe angustifolia G. Fred Hrusa, D. Ragan 1998-7-12 14760 San Luis Obispo Dunes immed. W of intersection of Callendar Rd. and Hwy 1. uncommon in back dunes; 24 Comment
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Aug 31 2006
  SBBG122958  Chorizanthe angustifolia B. Ertter 1989-5-23 8481 San Luis Obispo bend of Hwy 1, just across railroad tracks from parking area, Unocal Refinery ca. 4 air-mi S of Oceano Comment
  UC942871  Chorizanthe angustifolia Lewis S. Rose 1950-5-13 50118 San Luis Obispo Oso Flaco Lake region Comment
  CAS-BOT-BC178920  Chorizanthe angustifolia R. F. Hoover 1947-5-23 7185 San Luis Obispo Coast S of Hazard Canyon, on sandy bluffs above ocean Comment
  CAS-BOT-BC178933  Chorizanthe angustifolia Ernest C. Twisselmann 1956-4-10 2636 San Luis Obispo Nipomo Mesa, 1.5 miles E of the Union Oil Refinery 33 Comment
  POM186461  Chorizanthe angustifolia Thos. Craig 1933-7-3 1877 San Luis Obispo 1-2(3) miles south of Pismo Beach Comment
  RSA491715  Chorizanthe angustifolia James L. Reveal, C. Rose Broome, Clare B. Hardham 1987-6-18 6481 San Luis Obispo Montana de Oro State Park, on the trail to the beach at the mouth of Hazard Canyon at the western end of San Luis Range south of Morro Bay and southwest of Baywood Park 15 Comment
  RSA549647  Chorizanthe angustifolia C. F. Smith 1951-4-19 3020 -a San Luis Obispo On sandy Nipomo Mesa, N of Guadalupe. Comment
  OBI11258  Chorizanthe biloba Robert F. Hoover 1946-6-16 6172 San Luis Obispo West edge of Carrizo Plain, at top of grade leading from San Juan river Comment
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Feb 4 2017
  CAS-BOT-BC178979  Chorizanthe biloba R. F. Hoover 1969-6-3 11366 San Luis Obispo Windmill Creek, La Panza district Comment
  CAS-BOT-BC178984  Chorizanthe biloba Roxana S. Ferris 1939-6-9 9777 San Luis Obispo one and one eight miles W of Cretson on Templeton road Comment
  SBBG117491  Chorizanthe biloba var. biloba M. Wetherwax, E. Painter 2000-5-18 CR 107 San Luis Obispo SE corner of Bee Rock and Canyon Rds; Camp Roberts 200 Comment
  UC155248  Chorizanthe biloba var. biloba Katharine Brandegee San Luis Obispo Paso Robles Coast Ranges; Paso Robles, San Luis Obispo Co. Comment
  SBBG117983  Chorizanthe breweri E. Painter, M. Wetherwax 2001-5-15 SLO 202 San Luis Obispo near rd between Primera and La Trinidad mines; near LCTA plot 306; Camp San Luis Obispo 440 Comment
  OBI3909  Chorizanthe breweri Patricia Wiese 1971-5-23 57 San Luis Obispo Cuesta ridge botanical ara, 3 mi NW of Cuesta Pass 762 Comment
  SBBG132562  Chorizanthe breweri J. Beall 1980-5-2 54 San Luis Obispo 1 mi N on Poly Cyn Rd near top of hill on steep western slope above dumpsite Comment
  RSA739345  Chorizanthe californica Keith E. Hoffmaster 1935-7-1 300 San Luis Obispo 7 mi So. of Arroyo Grande. Comment
  OBI11235  Chorizanthe diffusa Robert F. Hoover 1964-7-11 9182 San Luis Obispo 3 mi NW of Nipomo Comment
  OBI11240  Chorizanthe diffusa Robert F. Hoover 1964-7-11 9181 San Luis Obispo 3 mi NW of Nipomo Comment
  SBBG61704  Chorizanthe diffusa R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  UC338248  Chorizanthe diffusa J. G. Lemmon 1887-1 4599 San Luis Obispo Comment
  UCD77544  Chorizanthe douglasii Robert E. Preston 1998-6-17 1139 San Luis Obispo 3 mi NW of La Panza Ranch, on W-facing slope, 0.15 mi E of Hwy 58 563 Comment
  UCR50426  Chorizanthe douglasii G. R. Ballmer 1988-4-3 s.n. San Luis Obispo Beside Hwy 58, 40.8 mi west of McKittrick 471 Comment
  CAS-BOT-BC191237  Chorizanthe douglasii Jean M. Linsdale 1947-4-26 682 San Luis Obispo 6 Mi S base of hill at School, Frances Simes Hastings Natural History Reservation. Santa Lucia Mts. Comment
  OBI66442  Chorizanthe douglasii David J. Keil, with Miguel Ponce 1997-1 26133 San Luis Obispo La panza mountains. ca. 0.3 miles from highway 58 on red hill road. Comment
  OBI73642  Chorizanthe douglasii David J. Keil 2010-6-7 30872 San Luis Obispo La Panza Mountains. Highway 58 between La Panza Road and Shell Creek Road Comment
  SBBG1406  Chorizanthe douglasii C. B. Hardham 1956-6-3 851 San Luis Obispo hills N of Triguero Crossing of Nacimiento River Comment
  OBI66145  Chorizanthe membranacea D. R. Miller 1989-6-1 689 -1 San Luis Obispo Along Rocky Butte truck trl rd side at 'Air Strip' +/- 2.5 mi from first gate at end of San Simeon crk rd Comment
  UC450097  Chorizanthe palmeri Katharine Brandegee 1912-9-30 San Luis Obispo Morro Comment
  UCD105107  Chorizanthe pungens Robert F. Thorne; P. Everett 1963-6-7 32170 San Luis Obispo San Luis Obispo County: ca. 6.4 miles NW along Cuesta Ridge road from Cuesta Pass Freeway. 609 Comment
  SBBG17423  Chorizanthe rectispina C. B. Hardham, C. Butterworth 1960-6-6 San Luis Obispo rocky cyn E of Atascadero Comment
  UC1185315  Chorizanthe rectispina Clare B. Hardham 1960-5-21 5851 San Luis Obispo Highland District , Highland District (Black Mountain) Comment
  CDA11579  Chorizanthe staticoides G. F. Hrusa 1993-5-22 11132 San Luis Obispo Black Butte Research Natural Area; Immediately below Radio Facility 2, E side of Cuesta Pass. Comment
  CHSC42321  Chorizanthe staticoides L. P. Janeway; Jean Witzman, Julie Jensen 1987-5-31 2123 San Luis Obispo Along Calf Cyn Rd (Hwy 58) ca 1 1/4 mi NE of Creston Rd. Along edges of dirt rd on north side of hwy and in adjacent Chamise Chaparral. 457 Comment
  CAS-BOT-BC255286  Chorizanthe staticoides H. L. Mason 1923-6-16 443 San Luis Obispo Along trail to La Combre Peak Comment
  UC338250  Chorizanthe staticoides unknown 1887-1-1 San Luis Obispo Comment
  OBI73641  Chorizanthe uniaristata David J. Keil 2010-6-7 30873 San Luis Obispo La Panza Mountains. Highway 58 between La Panza Road and Shell Creek Road Comment
  OBI58493  Chorizanthe xanti David J. Keil 1998-5-13 27259 San Luis Obispo Shell Creek Rd. and Hwy 58, area to N of creek and E of Hwy. Comment
  UC2027066  Chorizanthe xanti Greg Wilvert 2005-5-14 416 San Luis Obispo Southeast Half of the Caliente Range: 0.9 km NW of Wells Canyon Comment
  CAS-BOT-BC255372  Chorizanthe xanti var. xanti R. F. Hoover 1949-6-4 7751 San Luis Obispo At San Juan River on Pozo-Simmler Road Comment
  OBI3314  Chrysolepis chrysophylla var. minor Neil Havlik 1969-9-3 519 San Luis Obispo Islay Creek Cyn, about 3 mi from Pecho rd, Montana de Oro State Park 152 Comment
  OBI81737  Cicuta bolanderi Tracey Call, Viola Call 1996-10-2 2546 San Luis Obispo In shaded stream bank in Lopez Creek 8 miles north of mouth of Lopez Canyon. Comment
  OBI9004  Cicuta douglasii Robert F. Hoover 1947-7-27 7337 San Luis Obispo Black Lake Cyn, S of Arroyo Grande Comment
  OBI75368  Cinnamomum glanduliferum David J. Keil, with Matt Ritter 2011-10-3 31109 San Luis Obispo Campus of California Polytechnic State University, San Luis Obispo. Cultivated next to Whitney Dormitory (Bldg. 103) 119 Comment
  SBBG110001  Cirsium brevistylum C. B. Hardham 1957-6-15 2225 San Luis Obispo Villa Crk Comment
  CAS-BOT-BC284031  Cirsium brevistylum Clare B. Hardham 1957-7-14 2446 San Luis Obispo Santa Rita Road 3 1/2 miles west of York Mt. Road, Santa Lucia Mountains Comment
  SDSU3767  Cirsium brevistylum D. F. Howe 1962-7-22 3336 San Luis Obispo Of Santa Maria River on Santa Barbara-San Luis Obispo line on #1. Comment
  CDA1234  Cirsium fontinale var. obispoense T. C. Fuller 1962-7-19 9241 -C San Luis Obispo About 6 miles s.w. of San Luis Obispo; Prefumo Canyon Rd. 1.7 mi. w. of junct. with Los Osos Valley Rd. Comment
  CAS-BOT-BC285458  Cirsium occidentale var. californicum Peter H. Raven 1951-6-13 2979 San Luis Obispo Los Padres National Forest 1 mile from entrance on Pozo-Bakersfield road, La Panza Range Comment
  SBBG124187  Cirsium occidentale var. compactum D. Wilken with E. Painter 2011-5-2 17948 San Luis Obispo coastal flat ca. 0.7-0.8 km N of Piedras Blancas light house, E of Hwy 1 2 Comment
  OBI62939  Cirsium occidentale var. lucianum Jill M. Bushakra, John Bushakra 2000-6-4 35 San Luis Obispo 0.3 mi from Hwy 101 along W cuesta Ridge Rd 469 Comment
  OBI16720  Cirsium rhothophilum George B. Snyder 1966-5-27 s.n. San Luis Obispo 1 mi S of Oso Flaco Lake Comment
  UC454295  Cirsium rhothophilum Condit and Ewing 1908-11-14 San Luis Obispo Oceano Comment
  CAS-BOT-BC292742  Cirsium scariosum var. citrinum R. F. Hoover 1964-8-14 9264 San Luis Obispo Jack Lake Comment
  JEPS60837  Cirsium vulgare Ernest Brown 1969-7-23 San Luis Obispo hills w Palo Prieta Canyon (Lucy Brown Place) Comment
  CDA7426  Cirsium vulgare R. K. Oishi 1998-10-11 29 San Luis Obispo On Pecho Valley Road, (ca) 1 mile south from the park ranger office in Montana de Oro National Park. Comment
  RSA212627  Cirsium vulgare Ernest Brown 1969-7-23 s.n. San Luis Obispo Lucy Brown Place, hills west of Palo Preita Canyon, eastern part of county Comment
  SD197835  Clarkia Peter L. Morrell, K. L. Kendrick 1996-5-19 491 San Luis Obispo Upper Cuyama Valley, off Highway 166 along old state highway, c. 15 miles (air) northeast of Santa Maria. 277 Comment
  CAS-BOT-BC162541  Clarkia affinis Eben McMillan 1952-5-20 122 San Luis Obispo E. McMillan Ranch, Choice Valley 1 mi. S 8 mi. E Shandon Comment
  OBI58560  Clarkia affinis David J. Keil 1998-5-13 27226 San Luis Obispo Just E of intersection of La Panza Rd. & Hwy 58 Comment
  UC1018296  Clarkia affinis H. Lewis and M. Lewis 1952-5-1 910 San Luis Obispo 7.5 mi from Highway 178 (Creston-La Panza Ranch Road) Comment
  UCD104008  Clarkia affinis L. D. Gottlieb 1988-6-22 8835 San Luis Obispo San Luis Obispo County: W of Paso Robles on Klau Mine Road. 0.1 mile S of intersection with Adelaida Road. Comment
  UCD104009  Clarkia affinis L. D. Gottlieb 1988-6-22 8835 San Luis Obispo San Luis Obispo County: W of Paso Robles on Klau Mine Road. 0.1 mile S of intersection with Adelaida Road. Comment
  OBI51788  Clarkia bottae R. Mike Arens 1994-5-22 76 San Luis Obispo Cal Poly campus. In Poly Cyn near Botanical Garden foot bridge 152 Comment
  RSA124810  Clarkia bottae Clare B. Hardham 1958-7-1 3749 San Luis Obispo Shale banks headwaters of Old Creek, Santa Lucia Mts, San Luis Obispo County Comment
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Apr 28 2009
  JEPS99429  Clarkia cylindrica Clare B. Hardham 1962-6-12 10445 San Luis Obispo Black Mountain, Highland District Comment
  UC410830  Clarkia cylindrica subsp. cylindrica Alice Eastwood 1926-5-4 13820 San Luis Obispo Paso Robles Comment
  SBBG122895  Clarkia cylindrica subsp. cylindrica B. Ertter 1989-6-10 8561 San Luis Obispo Rd to Navajo Cmpgrd, edge of McGinnis Crk 3.5 mi from Hwy 58, E side of Black Mtn 609 Comment
  SBBG118012  Clarkia epilobioides E. Painter, M. Wetherwax, K. Downing 2002-4-30 CR 236 San Luis Obispo Boundary Rd, S of Palisades of Nacimiento River, near 'turkey guzzler' exclosure; Camp Roberts 211 Comment
  SBBG14732  Clarkia heterandra C. B. Hardham 1959-6-9 4454 San Luis Obispo Franklin Crk near Camp Natoma Comment
  OBI65852  Clarkia heterandra D. R. Miller 1994-5-27 594 -388 San Luis Obispo Pine Mt Region. On D.R. Miller propery, E slope of Pine Mt; Tobaco crk drainage 700 Comment
  UCR28959  Clarkia modesta J. H. Nishida 1982-5-22 390 San Luis Obispo South Coast Range, 1.2 mi. south of American Canyon Campground 506 Comment
  CAS-BOT-BC162487  Clarkia prostrata Alice Eastwood; John Thomas Howell 1938-6-15 5973 San Luis Obispo Between Cambria and San Simeon Comment
  UC930736  Clarkia prostrata Alice Eastwood, John Thomas Howell 1938-6-15 5973 San Luis Obispo between Cambria and San Simeon Comment
  OBI58526  Clarkia purpurea David J. Keil 1998-6-1 27551 San Luis Obispo E of Templeton on Cross Canyon Rd., 0.3 miles E of Lowes Canyon Rd. Comment
  OBI56388  Clarkia purpurea subsp. purpurea V. L. Holland 1992-5-24 s.n. San Luis Obispo Nipomo Mesa, 0.6 mi from intersection of Viva Ave and Eucalyptus ave Comment
  UCR160562  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2005-6-7 9548 San Luis Obispo Outer South Coast Ranges, along Huasna Road, 1.3 mile west of Huasna Townsite Road 305 Comment
  CAS-BOT-BC163958  Clarkia purpurea subsp. quadrivulnera Ernest C. Twisselmann 1954-5-7 1201 San Luis Obispo McLean Canyon Summit, Temblor Mountains 975 Comment
  UCR159847  Clarkia purpurea subsp. viminea George K. Helmkamp, E. A. Helmkamp 2005-6-12 9640 San Luis Obispo South Central Coast Ranges, along Calif. Hwy 58 (Calf Canyon Hwy), 6.7 miles east of Santa Margarita 485 Comment
  OBI72776  Clarkia purpurea subsp. viminea D. R. Miller 2009-6-4 609 .886 San Luis Obispo Rocky Butte/Pine Mt Region. Along Flats of upper and middle Almaden (Pico Crk headwaters) 853 Comment
  RSA113673  Clarkia rubicunda Peter H. Raven 1957-7-6 11058 San Luis Obispo State Highway 1 at a point 2.3 miles north of the bridge over Arroyo de la Cruz Creek. Comment
  POM38635  Clarkia speciosa subsp. immaculata Katherine Brandegee 1911-7-26 s.n. San Luis Obispo Price Canyon Comment
  OBI12087  Clarkia speciosa subsp. immaculata Robert F. Hoover 1966-1 San Luis Obispo Comment
  CAS-BOT-BC165359  Clarkia speciosa subsp. speciosa Clare B. Hardham 1958-6-3 3586 San Luis Obispo Chimney Rock Rch., South Road to Adelaida Comment
  CAS-BOT-BC165377  Clarkia speciosa subsp. speciosa Ernest C. Twisselmann 1955-6-16 2158 San Luis Obispo La Panza Range. Queen Bee Road at Branch Mountain Trail 685 Comment
  CAS-BOT-BC165383  Clarkia speciosa subsp. speciosa Alice Eastwood 1927-7-30 14990 San Luis Obispo On road from Arroyo Grande to Huasna Comment
  SBBG48485  Clarkia unguiculata L. W. Edge 1974-6-10 444 San Luis Obispo lower See Cyn Comment
  OBI12080  Clarkia unguiculata Neil Havlik 1967-5-22 68 San Luis Obispo 1/2 mi S of US 101 on Reservoir Cyn Rd Comment
  OBI66441  Clarkia unguiculata David J. Keil, with Miguel Ponce 1997-1 26134 San Luis Obispo La panza mountains. ca. 0.3 miles from highway 58 on red hill road. Comment
  UC532092  Clarkia unguiculata David D. Keck 1934-4-26 2826 San Luis Obispo 4.1 mi w La Panza Comment
  SBBG117548  Claytonia exigua subsp. exigua M. Wetherwax, E. Painter 2000-3-24 SLO 60 San Luis Obispo W side of Cerro Romualdo; Camp San Luis Obispo 160 Comment
  CAS-BOT-BC439584  Claytonia parviflora subsp. parviflora Ernest C. Twisselmann 1954-4-12 1043 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: 1/2 mile east of Palo Prieta Summit Comment
  UC1136725  Claytonia perfoliata subsp. mexicana N. K. Carlson 1936-3-21 205 San Luis Obispo 2 mi sw Asphalt Mine; Arroyo Grande Quad. 48 Comment
  OBI74419  Clematis lasiantha Theo Fitanides, Anthony Baniaga 2010-4-23 143 San Luis Obispo Tierra Redonda Mtn BLM ACEC 585 Comment
  OBI10677  Clematis lasiantha H. E. McMinn, E. Maino 1931-4-5 113 San Luis Obispo Morro Rd Comment
  RSA191887  Clematis lasiantha Robert F. Thorne, Percy C. Everett 1963-4-20 31594 San Luis Obispo ca. 2 miles NW from Cuesta Pass along Cuesta Ridge. Comment
  CDA17569  Clematis ligusticifolia Austin Griffiths 1980-8-12 s.n. San Luis Obispo Arroyo Grande Creek Drainage; on N. side near mouth of Arroyo Grande Creek. Comment
  RSA17809  Collinsia bartsiifolia var. bartsiifolia Carl B. Wolf 1929-4-15 3563 San Luis Obispo 2-3 miles inland from ocean and about 5 miles north of Santa Maria River. 61 Comment
  UC56094  Collinsia heterophylla J. H. Barber 1899-4-23 San Luis Obispo Paso Robles Comment
  SEINET6985350  Collinsia heterophylla Wanda P. Vestal, A. G. Vestal 1955-4-19 s.n. San Luis Obispo About 4.5 miles north-northeast of San Luis Obispo, below Cuesta Pass. Comment
  UC310771  Collinsia sparsiflora var. collina Philip A. Munz 1925-3-24 9221 San Luis Obispo Atascadero Creek 457 Comment
  SBBG107782  Collinsia sparsiflora var. collina C. B. Hardham 1960-3-23 5253 San Luis Obispo hills N of Bee Rock Comment
  OBI65634  Conicosia pugioniformis G. F. Hrusa, D. ragan 1999-4-21 15012 San Luis Obispo Oceano Dunes, immed W of Callender Rd. UTMs 10S, 0719152E 3881356 N 107 Comment
  CAS-BOT-BC435165  Conicosia pugioniformis David D. Keck 1933-5-5 2212 San Luis Obispo Oceano, southwestern San Luis Obispo County. Comment
  OBI71669  Conium maculatum David J. Keil 1992-7-3 20840 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SBBG118019  Conium maculatum J. Olson 2000-6-27 San Luis Obispo Bee Rock Rd at low water bridge, E side of bridge and both sides of Bee Rock Rd; Camp Roberts Comment
  RSA341384  Convolvulus simulans C. F. Smith 1950-4-30 2705 San Luis Obispo Northeast of Pinole Land & Cattle Company headquarters, about 3 miles airline southwest of Yeguas Mountain. Comment
  PASA892  Convolvulus villosus Margaret Stason 5/32 315 San Luis Obispo Few miles south of Arroyo Grande Comment
  CAS-BOT-BC285982  Conyza bonariensis R. F. Hoover 1964-7-12 9194 San Luis Obispo San Luis Obispo Comment
  OBI66038  Cordylanthus rigidus subsp. rigidus D. R. Miller 1996-6-16 696 -629 San Luis Obispo Pine Mt Region. Non Pico Loop Trl S slope of Pine Mt, the Pico crk drainage Comment
  CDA15180  Coreopsis bigelovii G. F. Hrusa 1998-4-27 14288 San Luis Obispo Caliente Range; Lower Goat Springs Canyon, approx. 2 mi. W of Soda Lake Rd. Colony on open, steep, dry, S-facing slope w/bare mineral soil. Annual, rays yellow. Comment
  CAS-BOT-BC287050  Coreopsis calliopsidea R. F. Hoover 1948-4-17 7472 San Luis Obispo San Juan River S of Shandon Comment
  JEPS33593  Coreopsis calliopsidea W. L. Jepson 1932-4-2 16223 San Luis Obispo opposite Elkhorn Scarp; Carrizo Plain 640 Comment
  UC1119227  Coreopsis calliopsidea D. Axelrod 1935-3-31 200 San Luis Obispo 8 mi ese of Cuyama Ranch; Santa Ynez Quadrangle 762 Comment
  UC1315037  Coreopsis calliopsidea R. F. Hoover 1967-4-9 10398 San Luis Obispo Elkhorn Scarp Comment
  OBI16646  Corethrogyne filaginifolia Robert F. Hoover 1952-11-1 8275 San Luis Obispo Caliente Mt Comment
  SDSU4688  Corethrogyne filaginifolia D. F. Howe 1965-11-7 4155 San Luis Obispo West of Lake oso Flaco. Comment
  OBI16651  Corethrogyne filaginifolia Robert F. Hoover 1966-10-8 10146 San Luis Obispo pass at SE end of Carrizo Plain Comment
  OBI16652  Corethrogyne filaginifolia Robert F. Hoover 1965-9-29 9676 San Luis Obispo Santa Lucia Range. Tassajera Crk Comment
  SD112674  Corethrogyne filaginifolia var. filaginifolia Darley F. Howe 1963-5-19 3722 San Luis Obispo Hillside south of Morro Bay. 89 Comment
  CAS-BOT-BC210346  Cornus sericea Ernest C. Twisselmann 1959-4-10 5038 San Luis Obispo Irish Hills: Perfumo Canyon 106 Comment
  OBI28326  Cornus sericea subsp. occidentalis Lori Blain 1982-5-15 17 San Luis Obispo Two mi S on Clark Valley rd, along Los Osos crk 305 Comment
  OBI62174  Cotoneaster franchetii David J. Keil 2002-7-11 29884 San Luis Obispo Cambria. Vicinity of Cambria Community Service District grounds on Rodeo Ground Road Comment
  OBI72362  Cotula australis Anthony Baniaga 2010-3-31 80 San Luis Obispo Black Lake Cyn, Choin Property 49 Comment
  CAS-BOT-BC291456  Cotula coronopifolia Herman Knoche 1919-9-30 2383 San Luis Obispo Pismo Beach Comment
  OBI37615  Crassula aquatica David J. Keil, Dirk Walters 1980-4-10 13763 San Luis Obispo E of Soda Lake Rd 0.2-1 mi on dirt rd ca. 3.5 mi S of hwy 58 Comment
  UCSB51268  Crassula aquatica Ferren, Wayne 1984-2-29 San Luis Obispo Proposed nature reserve; upper campground area; San Simeon State Beach Comment
  OBI55357  Crassula tillaea David J. Keil, Kathleen Keil 1998-3-7 26414 San Luis Obispo Ca. 2m I from hwy 58 on Shell Crk rd Comment
  SBBG92469  Crocanthemum scoparium var. vulgare S. A. Junak 1989-4-27 3969 San Luis Obispo Cuesta Ridge, along dirt rd on N side of USFS Rd 29S11.3, ca. 0.2 mi W of E boundary sign for the Cuesta Ridge Botanical Area, 3.2 mi W of Hwy 101 746 Comment
  OBI14421  Croton californicus F. Rush August1957 s.n. San Luis Obispo S. Morro Bay Comment
  OBI26218  Croton californicus Mark E. Schneider 1974-8-7 s.n. San Luis Obispo S end of Morro Bay Comment
  OBI60490  Croton californicus Larry Kelly, David J. Keil 1988-10-1 275 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  OBI81466  Croton californicus Jackson Bower, Molly Cluff, Shelby Stephen, Val King, Jack Morris 2015-11-7 4 San Luis Obispo Oceano Dunes trail; about 100 feet from trailhead Comment
  OBI14415  Croton californicus T. Elliott 1966-4-10 14 San Luis Obispo Oceano State Park Comment
  OBI66171  Croton setiger D. R. Miller 1994-6-22 694 -471 San Luis Obispo Pine Mt Region. Along the Ridge rd edge, above the iar strip and San Simeon crk drainage 910 Comment
  UCD59838  Crypsis schoenoides G. F. Hrusa; Dave Ragan 1988-9-13 5734 San Luis Obispo San Luis Obispo Co.: Cuesta ridge, 4-5 miles west of US 101, at end of 4 wheel road. Comment
  OBI50123  Crypsis schoenoides Michael Curto, LInda Allen 1992-8-20 847 San Luis Obispo Creston Area ~3.5 km S of Creston, W branch Huerhuero Cr, T28S, R13E unsect 390 Comment
  UC1285289  Cryptantha barbigera R. F. Hoover 1952-4-10 8102 San Luis Obispo just w San Juan River; La Panza District Comment
  CAS-BOT-BC189582  Cryptantha circumscissa var. circumscissa Ernest C. Twisselmann 1955-4-9 1829 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Red Hills, 7.6 miles SE of Shandon 434 Comment
  OBI26336  Cryptantha clevelandii Lyda W. Edge 1973-4-11 304 San Luis Obispo Near Whale Rock reservoir, State hwy 46 Comment
  OBI30998  Cryptantha clevelandii Julie M. Vanderwier 1979-8-26 s.n. San Luis Obispo Indian Knob Tar Sands Comment
  UC280359  Cryptantha clevelandii Mrs. R. W. Summers San Luis Obispo Santa Lucia Mts. Comment
  UCD119630  Cryptantha clevelandii G. K. Helmkamp; E. A. Helmkamp 2001-4-29 6596 San Luis Obispo San Luis Obispo County: Irish Hills Prefumo Cyn Rd., 2.8 mi west of Los Osos Valley Rd., SW of San Luis Obispo. 91 Comment
  OBI67155  Cryptantha clevelandii M. Wetherwax & E. L. Painter, C. Bratt 2000-5-15 SLO- 111 San Luis Obispo Camp San Luis Obispo, large serpentine outcrop W of Chorro Reservoir. UTMs NAD27 zone 10, 710089E. 3912937N 200 Comment
  SBBG34933  Cryptantha clevelandii Mrs. R. W. Summers 1882-3-30 San Luis Obispo Chaldedon Hill Comment
  OBI20717  Cryptantha clevelandii var. clevelandii Robert F. Hoover 1964-6-5 8918 San Luis Obispo Santa Lucia Range. Ridge SE of Cuesta Pass Comment
  POM72814  Cryptantha clevelandii var. florosa Marcus E. Jones 1882-5-6 s.n. San Luis Obispo San Luis Obispo Comment
  SBBG15056  Cryptantha clevelandii var. florosa E. R. Chandler 1962-6-15 856 San Luis Obispo area adjacent to Oso Flaco Lake 15 Comment
  OBI20710  Cryptantha corollata Robert F. Hoover 1967-4-15 10457 San Luis Obispo Cyn just W of Cottonwood Cyn bridge, lower Cuyama Valley Comment
  UC1601974  Cryptantha hispidissima Mrs. R. W. Summers 898 San Luis Obispo San Luis Mt. Comment
  UC652697  Cryptantha intermedia Roxana S. Ferris 1939-5-29 9761 San Luis Obispo 4 mi se Templeton 304 Comment
  SDSU20781  Cryptantha juniperensis Michael G. Simpson, Matt Ritter, David Keil, Heath Bartosh 2013-5-2 3734 San Luis Obispo Avenales ranch. 436 Comment
  SBBG81273  Cryptantha leiocarpa C. F. Smith 1975-5-13 10838 San Luis Obispo Guadalupe Oil Field N of Santa Maria River Comment
  UC55365  Cryptantha leiocarpa J. H. Barber San Luis Obispo Morro Comment
  UC2026997  Cryptantha nevadensis Greg Wilvert 2005-3-24 29 San Luis Obispo Southeast Half of the Caliente Range. Approx. 1.6km NNW of Wells Canyon Comment
  RSA0020952  Cryptantha oxygona Greg Wilvert 2005-4-2 107 San Luis Obispo Southeast half of the Caliente Range: 4 km W of Caliente Mtn. 1235 Comment
  UC1063850  Cryptantha oxygona N. H. French 1937-4-3 926 A San Luis Obispo 10 mi e Cuyama ranch; Santa Ynez Quad. 822 Comment
  OBI57570  Cucurbita pepo David J. Keil 1998-8-24 28002 San Luis Obispo Hwy 166, 2 road miles W of Tepusquet Canyon Rd. Comment
  CAS-BOT-BC80880  Cupressus sargentii R. F. Hoover 1968-2-10 10890 San Luis Obispo Ridge nw. of Cuesta Pass Comment
  JEPS77592  Cupressus sargentii L. R. Heckard 1978-11-12 4982 San Luis Obispo nw of Cuesta Pass; Cuesta Ridge Comment
  UC1134240  Cupressus sargentii B. Bolt 1936-4-20 671 San Luis Obispo 1.5 mi nnw of Cuesta; San Luis Obisbo Quad., Santa Barbara National forest 731 Comment
Read comments
Sep 12 2014
  CAS-BOT-BC80889  Cupressus sargentii R. F. Hoover 1968-2-10 10892 San Luis Obispo Ridge north west of Cuesta Pass Comment
  UCD133624  Cupressus sargentii Roman Gankin; S. G. Schultz 1965-3-29 460 San Luis Obispo San Luis Obispo County: Off road ca. .5 mile northeast of Burnett Peak. Comment
  OBI14803  Cuscuta salina Marta Bruckner 1963-12-16 19 San Luis Obispo Morro Bay state park Comment
  UCR59831  Cuscuta salina George K. Helmkamp 1989-8-6 s.n. San Luis Obispo Central Coast, Baywood Park, at the south edge of Morro Bay 3 Comment
  OBI14809  Cuscuta subinclusa Robert F. Hoover 1946-8-17 6289 San Luis Obispo Arroyo Grande crk below jctn of Lopez Cyn Comment
  OBI69459  Cuscuta subinclusa David J. Keil, with Kathleen A. Keil 2007-7-5 30484 San Luis Obispo San Luis Range. San Luis Obispo Open Space: junction of Bog Thistle Trail and Mariposa Trail. 140 Comment
  UC1953227  Cyclospermum leptophyllum David Keil 2009-8-16 30634 San Luis Obispo San Luis Obispo. Along Walker Street between Pismo Street and Higuera Street. Comment
  CDA4503  Cynara cardunculus David J. Keil 1991-8-2 22551 San Luis Obispo Along Turri Road 1 mile from junction with Los Osos Valley Road. 0 Comment
  OBI72017  Cynoglossum grande Michael Walgren 2010-2-1 69 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See Cyn rd 335 Comment
  SBBG104419  Cyperus eragrostis F. L. Johnson, N. A. McCarty 1993-10-14 ROB 712 San Luis Obispo Chorro Crk in cantonment area; Camp San Luis Obispo Comment
  CAS-BOT-BC114797  Cyperus involucratus G. Helmkamp; E. A. Helmkamp 2000-9-2 5968 San Luis Obispo Irish Hills: Profumo Canyon, 2.2 mi W of Los Osos Valley Rd.. 137 Comment
  OBI39964  Datura stramonium David J. Keil, Eric Wise 1983-8-30 17913 San Luis Obispo Black Lake Cyn, S of Arroyo Grande Comment
  OBI79912  Datura stramonium D. R. Miller 2013-12-2 1213 .1086 San Luis Obispo Scattered in old squash field 1.5 miles up San Simeon Creek Road from Highway 1. Comment
  SBBG127210  Datura wrightii D. Keil, M. Perry, J. Dart 2010-7-5 30909 San Luis Obispo Carrizo Plain WSW of Carissa Plains Elementary School, S of St Hwy 58 620 Comment
  UC1080534  Deinandra corymbosa Sherwin Carlquist 1956-6-27 405 San Luis Obispo 2.3 mi n San Simeon (on Highway 1) Comment
  CAS-BOT-BC293917  Deinandra fasciculata R. F. Hoover 1947-5-27 7226 San Luis Obispo Between San Luis Mt. and Mt. Bishop near San Luis Obispo Comment
  SBBG133076  Deinandra fasciculata D. Keil, T. Teed, M. Uchida 2001-6-15 29578 San Luis Obispo Chorro Crk drainage, Chorro Crk Bog Thistle exclosure; Camp San Luis Obispo 243 Comment
  UC1863822  Deinandra fasciculata Katharine Brandegee 1912-10-2 San Luis Obispo San Miguel near Paso Robles Comment
  UC455501  Deinandra fasciculata I. J. Condit 1908-5-25 San Luis Obispo San Luis Obispo Comment
  CAS-BOT-BC293902  Deinandra fasciculata R. W. Summers 1883-1-24 446 San Luis Obispo San Luis Obispo Valley Comment
  SBBG18162  Deinandra halliana C. B. Hardham 1962-4-14 8978 San Luis Obispo Pinole Hills, head of Bitterwater Cyn Comment
  JEPS38274  Deinandra increscens subsp. increscens W. L. Jepson 1940-10-3 20154 San Luis Obispo Arroyo Grande Comment
  OBI16142  Deinandra increscens subsp. increscens Robert F. Hoover 1966-9-13 9997 San Luis Obispo 2 mi N of Arroyo de la Cruz on Hwy 1 Comment
  OBI34341  Deinandra increscens subsp. increscens David J. Keil, Eric Wise 1983-8-30 17886 San Luis Obispo Black Lake Cyn, S of Arroyo Grande Comment
  UC1285385  Deinandra increscens subsp. increscens R. F. Hoover 1947-8-10 7366 San Luis Obispo Osos Valley Comment
  UC406886  Deinandra increscens subsp. increscens David D. Keck 1928-9-30 476 San Luis Obispo 1 mi e Pismo Beach 30 Comment
  CAS-BOT-BC292048  Deinandra pentactis John Thomas Howell 1929-10-12 4468 San Luis Obispo On Atascadero Creek, 5.2 miles w. of Atascadero Comment
  CAS-BOT-BC292086  Deinandra pentactis H. M. Hall 1929-11-4 12759 San Luis Obispo Santa Margarita. (McKittrick road, 2 miles from S. Marg.) Comment
  OBI16106  Deinandra pentactis Rimo Bacigalupi, G. T. Robbins 1954-5-13 4455 San Luis Obispo At crossing of Dry Crk, along rd from Union School to Geneseo School 320 Comment
  OBI44938  Deinandra pentactis David J. Keil 1984-7-20 18307 San Luis Obispo Atascadero Comment
  UC556412  Deinandra pentactis David D. Keck and J. Clausen 1934-4-27 2836 San Luis Obispo e side Salinas River (opposite San Miguel) 213 Comment
  CAS-BOT-BC292111  Delairea odorata Ernest C. Twisselmann 1965-11-2 11711 San Luis Obispo Highway 1 on the south side of San Carpojo Creek 30 Comment
  OBI38435  Delairea odorata Eric Wise 1981-6-11 556 San Luis Obispo Little Morro Crk, Morro Bay. Freshwater stream from Hwy 1 to ocean lagoon Comment
  OBI75315  Delairea odorata David J. Keil 2010-11-10 30943 San Luis Obispo Intersection of Price Canyon Road and Hwy 227, Edna and roadside zone near field bisected by East Corral de Piedra Creek 69 Comment
  CAS-BOT-BC94577  Delphinium gypsophilum R. C. Wenk 2007-4-19 645 San Luis Obispo Carrizo Plain National Monument. above KCL campground. Foothills of the Caliente Range 716 Comment
  RSA509152  Delphinium nudicaule C. F. Smith 1988-5-10 12126 San Luis Obispo Santa Rita Creek, about midway betw Cayucos and Templeton Comment
  RSA659112  Delphinium nudicaule David J. Keil 1984-4-29 18178 San Luis Obispo Mixed evergreen forest in canyon bottom of Lopez Widerness Area. Comment
  UC454011  Delphinium nudicaule Unangst May 1906 San Luis Obispo Lopez Canyon Comment
  UC454012  Delphinium nudicaule Unangst May 1906 San Luis Obispo Lopez Canyon Comment
  PASA2559  Delphinium parryi Margaret Stason May 1932 328 San Luis Obispo near Simmler Comment
  CAS-BOT-BC7866  Delphinium parryi subsp. blochmaniae R. F. Hoover 1947-2-24 6623 San Luis Obispo First ridge west of cerro Romauldo Comment
  OBI25557  Delphinium parryi subsp. parryi David J. Keil 1981-5-16 14648 San Luis Obispo Area around Arroyo de la Cruz near its crossing of Calif hwy 1 Comment
  SBBG126118  Delphinium parryi subsp. parryi D. Keil 1986-4-13 19170 San Luis Obispo Parkhill Rd, 2 mi E from jct with Las Pilitas Rd, S side of hwy Comment
  POM223566  Delphinium recurvatum D. D. Keck, J. Clausen 1935-4-10 3142 San Luis Obispo East side of Soda Lake, Carrizo Plains. 610 Comment
  OBI8535  Delphinium recurvatum Craig Woods 1978-4-3 74 San Luis Obispo W side of Carrizo Plain along Sim. Soda lake sand diego crk rd 1 mi NW of the S end of large Soda lake 610 Comment
  OBI39943  Dendromecon rigida Tracy Sturm 1982-1 s.n. San Luis Obispo Pilitas Microwave Station (Summit) 1189 Comment
  OBI42163  Dendromecon rigida Dan Harrington 1984-3-6 37 San Luis Obispo W Cuesta Grade, off hwy 101, 7 mi N of SLO Comment
  OBI59208  Deschampsia danthonioides Michael Curto 2001-5-31 29521 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  UCD84239  Deschampsia danthonioides Ayzik Solomeshch 2009-4-15 s.n. San Luis Obispo San Luis Obispo County: Camp Roberts. 7 miles as the crow flies west from San Miguel. Avery Road. 250 Comment
  OBI45273  Deschampsia elongata David J. Keil, Eric Wise 1981-5-25 14822 San Luis Obispo N of San Simeon in vicinity of Arroyo de la Cruz. Near hwy 1 in windswept coastal areas Comment
  CAS-BOT-BC201835  Deschampsia elongata Clare B. Hardham 1957-6-8 2210 San Luis Obispo Shores of Franklin Creek, Camp Natoma Comment
  UC1126772  Descurainia pinnata B. Bolt 1936-3-28 656 San Luis Obispo s end Morro Bay; Cayucos Quad. 30 Comment
  OBI33013  Desmazeria rigida David J. Keil 1983-4-23 16945 San Luis Obispo Vicinity of Arroyo de la Cruz. N of the Arroyo and W of hwy 1 Comment
  UCR122150  Dichelostemma capitatum George K. Helmkamp, E. A. Helmkamp 2000-4-21 5462 San Luis Obispo Santa Lucia Range, Santa Rosa Creek Road, 5.6 mi east of Cambria 76 Comment
  CAS-BOT-BC500823  Dichelostemma capitatum Mrs. R. W. Summers 1883-1-24 s.n. San Luis Obispo Valley Comment
  OBI56369  Dichondra donelliana David J. Keil, with Kathleen A. Keil 1999-7-8 28375 San Luis Obispo William Randolph Hearst Memorial State Beach, San Simeon. Comment
  CAS-BOT-BC209091  Digitaria sanguinalis R. F. Hoover 1964-9-16 9306 San Luis Obispo Cal Poly Campus Comment
  OBI17819  Digitaria sanguinalis Hans Wilgenburg 1977-8-11 15 San Luis Obispo Cal Poly campus Comment
  CAS-BOT-BC209089  Digitaria sanguinalis Clare B. Hardham 1956-7-23 1194 San Luis Obispo Intersection Dover Canyon and Fork Mountain Road - Santa Lucia Mountains Comment
  OBI59117  Digitaria sanguinalis David J. Keil 1998-8-19 27955 San Luis Obispo Salinas River at Las Pilitas Rd. 347 Comment
  CAS-BOT-BC152493  Diplacus aurantiacus David D. Keck 1933-5-5 2192 San Luis Obispo Odd Fellows Cemetery, Morro Bay, near mouth of Torro Creek, between Cayucos and Morro Comment
  CAS-BOT-BC150426  Diplacus aurantiacus L. R. Abrams 1917-6-10 6509 San Luis Obispo San Luis Obispo Hot Springs Comment
  SBBG48476  Diplacus aurantiacus L. W. Edge 1974-6-11 467 San Luis Obispo Old Crk, Santa Rita Cyn Rd Comment
  SBBG21978  Diplacus fremontii C. B. Hardham 1961-4-26 6921 San Luis Obispo Franklin Crk, W of Adelaida Comment
  SEINET208609  Diplacus rattanii Clare B Hardham 1961-1 6839 San Luis Obispo Pine Mt, Santa Lucia Mts 1006 Comment
  CAS-BOT-BC153977  Diplacus rattanii Clare B. Hardham 1961-4-26 6919 San Luis Obispo Franklin Creek, west of [Adelaide] Adelaida Comment
  OBI25703  Dipsacus sativus Pam Skogebo 1981-3-9 22 San Luis Obispo Poly cyn Comment
  OBI22319  Distichlis spicata Robert F. Hoover 1965-9-19 9627 San Luis Obispo Carrizo Plain, on W side of Soda Lake Comment
  CAS-BOT-BC41911  Dithyrea maritima R. F. Hoover 1947-7-11 7300 San Luis Obispo South end of Morro Bay, at edge of sandy beach. Comment
  RSA8270  Dodecatheon clevelandii subsp. insulare I. L. Wiggins 1932-3-24 5845 San Luis Obispo Roadsides and hills near Adelaide, W. of Paso Robles. Comment
  SBBG104412  Dodecatheon clevelandii subsp. insulare M. D. Proctor, E. A. Young 1993-3-17 ROB 194 San Luis Obispo Twin Bridges on Boy Scout Rd; Camp Roberts Comment
  UC22368  Dodecatheon clevelandii subsp. sanctarum Mrs. Blochman 1893-1 San Luis Obispo Comment
  UC456056  Downingia cuspidata Richard M. Straw 1909-4-17 San Luis Obispo Paso Robles Comment
  OBI57194  Draba verna David J. Keil 1998-4-7 26611 San Luis Obispo 2.3 mi W from Hwy 58 on Huerhuero Rd. Comment
  CAS-BOT-BC159565  Drymocallis glandulosa var. glandulosa Clare B. Hardham 1956-4-26 557 San Luis Obispo York Mountain Road near T. Delaganna Rch. - Santa Lucia Mountains Comment
  CAS-BOT-BC159573  Drymocallis glandulosa var. glandulosa R. F. Hoover 1964-5-11 8799 San Luis Obispo Trout Creek (Pozo-Arroyo Grande Road) Comment
  RSA517429  Dryopteris arguta Steven A. Junak 1990-5-1 4291 San Luis Obispo Santa Lucia Mountains: at N edge of Cuesta Ridge Botonical Area, along power line access road which intersects Tassajera Creek Road ca. 2.4 mi W of Highway 101 ca. 1.2 road miles S of Tassajera Creek Road. 549 Comment
  SBBG96430  Dudleya abramsii subsp. bettinae R. Moran 1977-6-30 24280 San Luis Obispo Cayucos 50 Comment
  UC1296137  Dudleya abramsii subsp. bettinae R. F. Hoover 1964-6-13 9101 San Luis Obispo e Morro Bay (San Bernardo Creek) Comment
  OBI53948  Dudleya abramsii subsp. murina Justin Epting 1995-7-10 s.n. San Luis Obispo Cal Poly Biological Preserve Comment
  SBBG118344  Dudleya blochmaniae subsp. blochmaniae E. Painter, M. Wetherwax 2000-5-14 SLO 114 San Luis Obispo near California Mens Colony prison; Camp San Luis Obispo 160 Comment
  CAS-BOT-BC109578  Dudleya blochmaniae subsp. blochmaniae Reid Moran 1948-5-29 3081 San Luis Obispo Ca. 0.25 mile south of San Simeon. Comment
  CAS-BOT-BC410890  Dudleya caespitosa Clare B. Hardham 1957-6-15 835 San Luis Obispo Santa Lucia Mountains; Atascadero Ranch Comment
  OBI35285  Dudleya lanceolata Melody Dickens 1980-7-4 40 BH San Luis Obispo Black Hill, Morro Bay State Park Comment
  OBI55631  Dudleya lanceolata David J. Keil 1988-6-25 20815 San Luis Obispo Higuera St S of San Luis Obispo, just E of bridge over San Luis Creek Comment
  CAS-BOT-BC414805  Dudleya lanceolata Alice Eastwood 1902-6-15 s.n. San Luis Obispo Near the boundary between Santa Barbara and San Luis Opispo Counties Comment
  RSA91953  Dudleya palmeri E. K. Balls 1953-6-30 10136 San Luis Obispo 1.8 miles S of Piedras Blancas Coastguard Station, hwy 1. 6 Comment
  OBI79401  Dudleya pulverulenta David J. Keil, with Matt Ritter, Mike Simpson, David Chipping, Heath Bartosh, & Taylor Crow 2013-5-2 31668 San Luis Obispo Avenales Ranch, south of Pozo. Upper Alamo Creek drainage. Hike from 35.178659 deg. , -120.196577 deg. to 35.16639227 deg. , -120.1875824 deg. Comment
  OBI56694  Eastwoodia elegans David J. Keil 1998-5-11 27178 San Luis Obispo Caliente Range, 4.1 mi from Soda Lake Rd. along Selby Rd. Comment
  OBI20356  Echinodorus berteroi Phil Ashley 1979-8-21 s.n. San Luis Obispo Campus of Calif Polytechnic State Univ. In shallow pond below the Horse Unit Comment
  OBI082108  Echium candicans Michael Walgren 2015-12-17 484 San Luis Obispo One plant growing on the west road edge of Highway One north of Point Piers Blancas at the first unnamed creek down-coast from Arroyo Honda. Not associated with landscaping. 30 Comment
  UCD61185  Ehrharta calycina Eben McMillan 1966-5-1 120 -1 San Luis Obispo San Luis Obispo Co.: Gillis Canyon, Temblor Range. 518 Comment
  UCSB30276  Ehrharta calycina Hardham, Clare 1958-4-10 San Luis Obispo York Mt; west of Templeton Comment
  RSA770189  Ehrharta erecta David J. Keil 1999-7-22 28384 San Luis Obispo Los Osos at 1605 7th Street. Comment
  SD245350  Elatine brachysperma David Keil 1998-5-6 27110 San Luis Obispo NE of Paso Robles. ).3 mi. N of junction with Tower Rd. on Jardine Rd. Rivendell Arabian horse farm. Comment
  OBI35164  Eleocharis macrostachya Eric Wise 1982-5-17 1494 San Luis Obispo Aquatic Tracheophytes of San Luis Obispo County. Sinton Sycamore Reservoir on Shell Crk Rd 8.9 mi N of hwy 58 Comment
  OBI69199  Eleocharis parishii David J. Keil, with Kathleen A. Keil 2006-9-23 30456 -2 San Luis Obispo Upper Salinas River valley. Shore of Santa Margarita Lake (Salinas Reservoir) near campground 396 Comment
  UCD49854  Eleocharis parvula S. Galen Smith; Malcolm A. Nobs 1949-6-22 829 San Luis Obispo Dune Lakes Gun Club, ca. 2 miles south of Oceano, San Luis Obispo County. Comment
  OBI35143  Eleocharis rostellata Eric Wise 1982-6-25 1561 San Luis Obispo Aquatic Tracheophytes of San Luis Obispo County. Pismo State Beach, Oceano Campground Comment
  UCR266176  Elymus caput-medusae David J. Keil, Margariet Wetherwax, Elizabeth Painter, Jody Olsen, K. Downing, C. Bratt, Lynne D. Althouse 2000-5-16 28687 San Luis Obispo Camp Roberts; along tank trail parallel to Avery Rd. and inside the Avery vernal pool exclosure 213 Comment
  OBI21778  Elymus glaucus Robert F. Hoover 1947-5-14 7167 San Luis Obispo Steiner Crk ("Serrano Cyn") Comment
  OBI49929  Elymus glaucus David J. Keil, Kathy Bay and Rich Ferguson 1984-4-28 18133 San Luis Obispo American Cyn area in La Panza Mts Comment
  CAS-BOT-BC203666  Elymus glaucus subsp. glaucus Ira L. Wiggins 1929-4-16 3637 San Luis Obispo Hillside near Old Creek, 6 miles N. of Moro Comment
  UC1133025  Elymus multisetus C. A. Graham 1939-5-17 565 San Luis Obispo 1 mi ne Taylor Well; Branch Mt. Quadrangle Comment
  OBI21612  Elymus multisetus Robert F. Hoover 1964-7-9 9134 San Luis Obispo Near Rinconada Mine W of Pozo Comment
  OBI21790  Elymus triticoides Robert F. Hoover 1946-6-1 6103 San Luis Obispo N end of Morro Bay Comment
  OBI31308  Elymus triticoides Joy Nishida 1982-7-22 505 San Luis Obispo 1.7 mi S of American Cyn campground 488 Comment
  OBI69679  Elymus triticoides LynneDee Oyler 1988-8-31 572 San Luis Obispo Moonshadow Ranch, equestrian. 215 acres on SE corner of 46 and Hwy 1 Comment
  OBI75731  Emex spinosa Mark Markwort 2011-4-30 411 .94 San Luis Obispo Cayucos, Ca. Studio Dr. Parking lot S of Old Crk adj to beach Comment
  OBI66268  Emmenanthe penduliflora David J. Keil 1997-4-18 26190 San Luis Obispo Los padres national forest. la panza mountains. along black mountain road, 0.4 miles from park hill road just beyond turkey flat campground. 500 Comment
  UCR163630  Emmenanthe penduliflora George K. Helmkamp, E. A. Helmkamp 2005-3-30 9265 San Luis Obispo Outer South Coast Ranges, La Panza Range; Pozo Road, 6.5 mi NE of Hi Mountain Road, [c. 1 mi (airline) SW of Pozo Summit] 665 Comment
  OBI60107  Ephedra californica G. F. Hrusa, T. D. Wilfred 1997-3-12 13650 San Luis Obispo Carrizo Plain. 6-7 mi S of Washburn Range, at S end of Carrizo Plain 630 Comment
  SFV12225  Ephedra californica L. M. Srivastava 1958-2-6 34 San Luis Obispo On hillside, north side of hill on west side of Cottonwood Pass, State Highway 41, 5 miles east of Cholame. ).5 miles west of Kern County Line. Comment
  UC1925854  Ephedra viridis David Keil 1998-4-30 27011 San Luis Obispo Caliente Range. 6.5 mi from Soda Lake Rd. on Selby Rd. Comment
  UCD133039  Ephedra viridis Lalit M. Srivastava 1958-2-6 34 San Luis Obispo San Luis Obispo County: North side of hill on west side of Cottonwood Pass, State Highway 41, 5 miles east of Cholame, half a mile west of Kern County Line. Comment
  OBI34342  Epilobium brachycarpum David J. Keil, Eric Wise 1983-8-30 17896 San Luis Obispo Black Lake Cyn; S of Arroyo Grande Comment
  SBBG132565  Epilobium campestre D. Keil 2010-6-1 30844 San Luis Obispo vernal pool field N of Belmont Trail between Coso Junction Rd and Clarksburg Rd; Carrizo Plain Comment
  CAS-BOT-BC166410  Epilobium canum subsp. canum Clare B. Hardham 1959-9-27 4987 San Luis Obispo Arroyo de la Cruz Comment
  RSA72332  Epilobium canum subsp. canum F. W. Peirson 1920-7-30 2234 San Luis Obispo Willow Creek, near Morro. Comment
  OBI12054  Epilobium ciliatum Robert F. Hoover 1947-4-18 6963 San Luis Obispo Near Piedras Blancas Point Comment
  SBBG43253  Epilobium ciliatum subsp. ciliatum L. W. Edge 1971-2-5 San Luis Obispo near Oso Flaco Lake Comment
  UC2027015  Epilobium ciliatum subsp. ciliatum Greg Wilvert 2005-6-29 485 San Luis Obispo Southeast Half of the Caliente Range. Padrones Spring Comment
  OBI5208  Epilobium ciliatum subsp. watsonii French H. Morgan 1972-5-23 10 San Luis Obispo Crk between Tropicana and Valencia apts, San Luis Obispo 73 Comment
  OBI66342  Epilobium densiflorum David J. Keil, with Karen Danielson, Clifton Smith and Jeanette Sainz 1997-5-15 26271 San Luis Obispo Los padres national forest. la panza mountains. fringe of machesna mountain wilderness. ridge along road past castle crags and slopes below to south. area drained by small stream in canyon. 732 Comment
  OBI75242  Epilobium densiflorum Michael Walgren 2011-8-7 260 San Luis Obispo San Carpoforo Crk west of Hwy 1 Comment
  OBI66513  Epilobium minutum David J. Keil, with Karen Danielson, Clifton Smith and Jeanette Sainz 1997-5-15 26287 San Luis Obispo Los padres national forest. la panza mountains. fringe of machesna mountain wilderness. ridge along road past castle crags and slopes below to south. area drained by small stream in canyon. 732 Comment
  SBBG93612  Epilobium minutum S. A. Junak, T. J. Ayers 1989-4-12 3934 San Luis Obispo Cuesta Ridge along USFS Rd 29S11.3, at W boundary sign for the Cuesta Ridge Botanical Area 783 Comment
  OBI3934  Epilobium minutum Patricia Wiese 1971-5-2 28 San Luis Obispo Fuelbreak area at N boundary of Cuesta Ridge Botanical Area. 4 mi NW from Cuesta Pass 762 Comment
  UC2026379  Epipactis gigantea Louis C. Wheeler 1964-7-21 8493 San Luis Obispo Ragged Point Inn, 2 miles northerly of Ragged Point. Comment
  UCSB26555  Epipactis gigantea Ketcham, A. 1968-4-28 San Luis Obispo roadside of San Simeon Creek Road; 6.4 miles from highway 1 Comment
  SD112404  Equisetum laevigatum Darley F. Howe 1967-4-9 4332 San Luis Obispo 14 miles west of Templeton on #46 [Hwy] 395 Comment
  RSA760026  Eragrostis mexicana David J. Keil 1998-6-5 27601 San Luis Obispo 3.5 miles east of the junction Highway 229 on Highway 58 Comment
  OBI43353  Eragrostis pectinacea Eric Wise 1981-8-7 1068 San Luis Obispo 9.7 mi W of Pozo Rd on hwy 58 Comment
  SBBG14907  Erechtites glomeratus C. B. Hardham, L. G. Squibb 1961-4-22 7121 San Luis Obispo San Simeon Crk Rd, 5.5 mi E of Hwy 1 Comment
  SBBG124116  Eremalche parryi subsp. kernensis D. Wilken with E. Painter 2011-4-20 17940 San Luis Obispo W side of Soda Lake Rd, ca. 5 km NW of L E Traver Ranch; Carrizo Plain Nat Monument 201 Comment
  SBBG80407  Eremalche parryi subsp. kernensis C. F. Smith 1950-4-30 2709 San Luis Obispo flat W of Soda Lake Comment
  UC1969576  Eremophila maculata Michael Curto 2009-2-24 s. n. San Luis Obispo Leaning Pine Arboretum, Campus of California Polytechnic State University, San Louis Obispo. Comment
  OBI45903  Eremothera boothii David J. Keil, Rhonda Riggins and Kathryn Bay 1986-4-26 19288 San Luis Obispo SW flank of Temblor Range. 0.7 mi NE of Elkhorn Rd on unnamed powerline corridor rd 777 Comment
  CAS-BOT-BC160174  Eremothera boothii subsp. decorticans Robert F. Thorne; P. Everett 1963-4-18 31479 San Luis Obispo Ca. 4 miles S of Cholame 487 Comment
  OBI11997  Eremothera boothii subsp. decorticans Robert F. Hoover 1967-4-9 10399 San Luis Obispo Elkhorn Scarp Comment
  CAS-BOT-BC160162  Eremothera boothii subsp. decorticans Clare B. Hardham 1956-5-15 710 San Luis Obispo Peachy Canyon Comment
  SD87647  Eriastrum densifolium subsp. densifolium Frank Peirson 1920-7-29 2224 San Luis Obispo 1.0 mile south of Pismo. Comment
  UCSB42067  Eriastrum densifolium subsp. densifolium McEnulty, Mary 1979-5-28 San Luis Obispo Nipomo Mesa 30 Comment
  LA106809  Eriastrum densifolium subsp. densifolium T. Craig; 1926-5-25 106809 San Luis Obispo 1-3 mi S of Pismo Beach 6 Comment
  RSA0107369  Eriastrum densifolium subsp. densifolium H. L. Mason 1941-7-3 12474 San Luis Obispo Sand dunes, Oso Flaco Lake, north of mounth of the Santa Maria River. Comment
  SEINET3096768 Image available Eriastrum densifolium subsp. elongatum Herbert L. Mason 1941-7-3 12474 San Luis Obispo Oso Flaco Lake, north of mouth of the Santa Maria River Comment
  RSA0107362  Eriastrum densifolium subsp. elongatum Verne Grant 1961-6-25 61 -H San Luis Obispo Sand dunes south of Oceano where Hwy 1 and SP tracks run parallel. 30 Comment
  RSA0107365  Eriastrum densifolium var. patens R. W. Summers 1883-1 s.n. San Luis Obispo Dry open canyon near sea, S.L.O. Co. Comment
  UC1123851  Eriastrum pluriflorum T. M. Hendrix 1937-6-1 238 San Luis Obispo 2.6 mi ne Navajo; Pozo Quadrangle Comment
  SBBG132569  Eriastrum pluriflorum subsp. pluriflorum D. Keil 2010-6-1 30834 San Luis Obispo San Juan Crk Bridge at Hwy 58, eastern La Panza Mtns 450 Comment
  OBI7488  Ericameria arborescens David J. Keil 1976-10-10 11855 San Luis Obispo Along Cuesta Grade Rd. 1.2 mi below gate at base of microwave towers Comment
  OBI40348  Ericameria cuneata var. spathulata Clifton F. Smith 1950-3-18 2579 San Luis Obispo Near base of Freeborn Mountain on Carrizo Plain SW of Simmler Comment
  CAS-BOT-BC292907  Ericameria ericoides R. F. Hoover 1946-10-20 6513 San Luis Obispo Upper Huasna River just below Arroyo Seco Comment
  UCR100928  Ericameria linearifolia George K. Helmkamp, E. A. Helmkamp 1998-4-8 3213 San Luis Obispo Elkhorn Grade Rd, 6.3 mi. NW of jct with Calif. hwy 33 (roughly west of Maricopa) 549 Comment
  UC1928009  Ericameria palmeri var. pachylepis David Keil 1998-10-9 28125 San Luis Obispo California Highway 166, 0.8 road miles w of junction with Alamo Creek Road. Comment
  OBI52076  Erigeron blochmaniae Larry Kelly, David J. Keil 1988-10-1 261 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  CAS-BOT-BC308739  Erigeron foliosus var. foliosus Clare B. Hardham 1956-7-16 1167 San Luis Obispo Chimney Rock Ranch, San Marcos Creek, Santa Lucia Mountains Comment
  SBBG109882  Erigeron glaucus C. B. Hardham 1957-7-31 2493 San Luis Obispo 1 mi N of Cambria Comment
  SBBG8137  Erigeron philadelphicus C. B. Hardham 1957-4-14 1659 San Luis Obispo Santa Rita Crk Comment
  UC455837  Erigeron philadelphicus var. philadelphicus unknown 59 San Luis Obispo Osos Valley Comment
  OBI64758  Erigeron sanctarum D. R. Miller 2005-8-13 805 .82 San Luis Obispo Pine Mt. Region. At edge of trail on East/West Ranch, Cambria 640 Comment
  UC1285306  Eriodictyon altissimum R. F. Hoover 1966-5-17 9862 San Luis Obispo Indian Knob Comment
  CAS-BOT-BC188999  Eriodictyon parryi Ernest C. Twisselmann 1955-5-27 2023 San Luis Obispo Near Honey Bee Mine, Cammatta Canyon 624 Comment
  UCD119337  Eriodictyon tomentosum Mrs. B. S. MacLean 1932-7-1 3 San Luis Obispo San Luis Obispo County: La Panza. Comment
  UCR200318  Eriodictyon tomentosum Steve Boyd 2007-2-17 11712 San Luis Obispo Coast Ranges, La Panza Range, Los Padres National Forest along Pozo Road at Pozo Summit, at divide between Pozo Creek drainage and Mariana Creek drainage 803 Comment
  CDA17107  Eriogonum angulosum G. F. Hrusa, P. Akers 2003-10-12 16178 San Luis Obispo San Joaquin Valley; South end Carrizo Plain, on E side Soda Lake Rd. immed. S of MU Ranch. 0 Comment
  OBI59235  Eriogonum angulosum G. F. Hrusa 2000-9-30 15700 San Luis Obispo Carrizo Plain Natural Area. Elkhorn Grade, 1 st summit to E of Soda Lake Rd 884 Comment
  UC1296090  Eriogonum angulosum R. F. Hoover 1949-6-4 7747 San Luis Obispo on Pozo-Simmler road San Juan River Comment
  UCR29926.1  Eriogonum clavatum David J. Keil, Melissa Luckow, Richard A. Pimentel, Rhonda L. Riggins-Pimentel 1981-4-24 14479 San Luis Obispo South Coast Range, Road at S end of Soda Lake, c. 0.25 mile east of Soda Lake Rd. 586 Comment
  UC1296168  Eriogonum covilleanum R. F. Hoover 1952-5-24 8201 San Luis Obispo head of Morales Canyon Caliente Mt., Morales Canyon Comment
  CAS-BOT-BC246591  Eriogonum elegans Ernest C. Twisselmann 1954-9-10 1569 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon: 5 miles south of Cholame, (Hatfield Place) 487 Comment
  SEINET6418009  Eriogonum elongatum David Keil 1980-9-18 14213 San Luis Obispo About 1 mile W of junction w/ Shell Creek Road along Calif. 58 Comment
  UC1450978  Eriogonum elongatum var. elongatum R. F. Hoover 1969-9-19 11593 San Luis Obispo Palo Prieto Canyon Comment
  OBI11110  Eriogonum fasciculatum var. fasciculatum Robert F. Hoover 1965-8-1 9495 San Luis Obispo Cuesta Park, San Luis Obispo Comment
  UC1032061  Eriogonum fasciculatum var. foliolosum G. T. Nordstrom 1937-5-14 1229 San Luis Obispo 2.1 mi ese Chimney Rock; Adelaida Quadrangle Comment
  CAS-BOT-BC250244  Eriogonum fasciculatum var. polifolium R. F. Hoover 1946-6-30 6219 San Luis Obispo La Panza district Comment
  OBI67881  Eriogonum fasciculatum var. polifolium Greg Wilvert 2005-4-23 294 San Luis Obispo SE Half of the Caliente Range. 1.7 km NW of Lawson Spring 908 Comment
  UC535077  Eriogonum gracile Susan Stokes 1932-8-29 11 San Luis Obispo Atascadero Comment
  UC1315068  Eriogonum gracillimum R. F. Hoover 1967-6-4 10607 San Luis Obispo near north end of Elkhorn Plain (canyon in Temblor Range); Temblor Range Comment
  CAS-BOT-BC261424  Eriogonum nudum var. indictum R. F. Hoover 1969-9-19 11594 San Luis Obispo Palo Prieto Canyon Comment
  CAS-BOT-BC271990  Eriogonum nudum var. pubiflorum Ernest C. Twisselmann 1954-11-7 1653 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Summit of Palo Prieta Creek, 7 miles south of Cholame 548 Comment
  UC634594  Eriogonum parvifolium H. L. Mason 1929-10-12 5499 San Luis Obispo 9 mi e Morro Bay Comment
  UC1450979  Eriogonum roseum R. F. Hoover 1969-9-19 11595 San Luis Obispo Palo Prieto Canyon Comment
  CAS-BOT-BC263438  Eriogonum temblorense Ernest C. Twisselmann 1967-5-23 13104 San Luis Obispo West slope of Cottonwood Pass 502 Comment
  SD244786  Eriogonum vimineum D. R. Miller 2011-9-2 911 977 San Luis Obispo Bear Canyon on Air Strip cut, Tobacco creek drainage. 500 Comment
  NY323650  Eriogonum vimineum subsp. polygonoides S. G. Stokes 1933-9-8 125 San Luis Obispo San Luis Obispo To Pismo Beach Comment
  CAS-BOT-BC264892  Eriogonum viridescens Clare B. Hardham 1956-6-16 926 San Luis Obispo Santa Lucia Mountains Comment
  UC2027189  Eriogonum viridescens Greg Wilvert 2005-5-20 431 San Luis Obispo Southeast Half of the Caliente Range: 2.1 km WNW of Quail Springs Reservoir Comment
  CAS-BOT-BC304105  Eriophyllum confertiflorum Alma Sweet 1919-1-1 s.n. San Luis Obispo Unspecified Comment
  CAS-BOT-BC304119  Eriophyllum confertiflorum Alice Eastwood 1926-5-4 13815 San Luis Obispo Paso Robles Comment
  OBI26008  Eriophyllum confertiflorum David J. Keil 1981-5-16 14602 San Luis Obispo Area around Arroyo de la Cruz near its crossing of Calif Hwy 1 Comment
  OBI65034  Eriophyllum confertiflorum Greg Wilvert 2005-4-13 221 San Luis Obispo SE half of the Caliente Range; 3.6 km SSW of Lawson Spring 771 Comment
  POM66813  Eriophyllum confertiflorum Marcus E. Jones 1882-5-6 s.n. San Luis Obispo San Luis Obispo Comment
  CAS-BOT-BC304096  Eriophyllum confertiflorum Clare B. Hardham 1956-5-30 786 San Luis Obispo Santa Lucia Ranch, Santa Lucia Mts Comment
  SEINET8687234 Image available Eriophyllum confertiflorum R. W. Summers 1887-6-19 s.n. San Luis Obispo Santa Lucia Mts. Comment
  OBI72462  Eriophyllum confertiflorum var. confertiflorum M. Petroelje 1998-5-19 s.n. San Luis Obispo Camp San Luis Obispo. NE facing slope, ca. 1.9 mi NW of Alpha Range, W of Whiskey Springs, LCTA Plt 307 475 Comment
  SEINET2051200 Image available Eriophyllum multicaule F. C. Vasek 1960-4-9 600040924 San Luis Obispo Three miles south of Los Osos. Comment
  CAS-BOT-BC301824  Eriophyllum multicaule D. E. Breedlove 1963-3-21 4272 San Luis Obispo On bluff overlooking the Santa Maria River, 2 miles west of Nipomo Comment
  UC1484392  Eriophyllum multicaule Dale E. Johnson with J. E. Eckenwalder 1975-3-16 163 San Luis Obispo w edge of Nipomo Mesa (ca 4.8 km (3 mi) sw of Nipomo; just landward of crest of stabilized sand dune) Comment
  UC55682  Eriophyllum multicaule Mrs. R. W. Summers 1884-6-17 San Luis Obispo Pecho Pecho (sand beach) Comment
  CAS-BOT-BC301904  Eriophyllum pringlei R. F. Hoover 1947-3-29 6802 San Luis Obispo 5 mi. e. of Creston on La Panza road Comment
  SBBG25471  Eriophyllum staechadifolium L. E. Allen 1966-8-24 San Luis Obispo Oso Flaco Lake Comment
  RSA0042088  Erodium botrys LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-30 6347 San Luis Obispo Garcia Mountain. Most collections made in the Garcia Wilderness. Stony Creek campground. From the camp down stream to the trail that cuts across from Caldwell Mesa to Avenales Station., From 35.20955N 120.25839W TO 35.22463N 120.28397W. 573 Comment
  OBI14112  Erodium botrys B. A. Smith 1966-4-7 12 San Luis Obispo Just off hwy 1 at Oceano Comment
  SBBG113979  Erodium brachycarpum E. C. Twisselmann 1961-4-3 6032 San Luis Obispo head of Palo Prieto Crk, Dorothy Twisselmann Ranch 609 Comment
  OBI28593  Erodium cicutarium John Jackman & Julie Truesdale, Julie Truesdale 1980-1 54 San Luis Obispo MacGillivary Ranch, Adelaida. Comment
  SBBG119089  Erodium cicutarium M. Wetherwax, E. Painter with J. Olson 2002-3-28 SLO 227 San Luis Obispo Guard Hill Rd; Camp San Luis Obispo 200 Comment
  UC1130279  Erodium cicutarium N. K. Carlson 1936-3-19 157 San Luis Obispo 1.9 mi ese Picacho; Arroyo Grande Quad. 175 Comment
  RSA648333  Erodium moschatum Smeltzer, Turnquist 1982-4-6 3 San Luis Obispo Southeast side of Laguna Lake Park. Comment
  SEINET14188819  Erodium moschatum R. R. Halse 2016-1 9663 San Luis Obispo San Simeon; along State Hwy 1 by its intersection with Castillo Dr 18 Comment
  CAS-BOT-BC211083  Eryngium aristulatum var. hooveri R. F. Hoover 1946-8-24 6328 San Luis Obispo Laguna near San Luis Obispo Comment
  OBI15123  Erysimum X cheiri Betty Hoover 1962-2-19 34 San Luis Obispo Cultivated Comment
  UCSB17184  Erysimum suffrutescens Vernand, Ramona 1963-4-7 San Luis Obispo About 0.3 miles west of Los Osos Valley Road on dirt road, about 12.5 miles northwest of San Luis Obispo Comment
  OBI79925  Erythranthe cardinalis David J. Keil, Michael Walgren, Lisa Andreano, Aaron Sims, and Sally Krenn 2013-7-27 31854 -1 San Luis Obispo Montana de Oro State Park. Along Coon Creek 30 Comment
  OBI58788  Erythranthe latidens David J. Keil 1998-5-6 27106 San Luis Obispo NE of Paso Robles. 0.3 mi N of junction with Tower Rd. on Jardire Rd. Rivendell Arabian horse farm. Comment
  OBI51811  Eschscholzia caespitosa Gary Westbrook Mar-94 23 San Luis Obispo Calif Polytechnic State Univ campus; near Botanical Garden foot bridge 244 Comment
  OBI64549  Eschscholzia caespitosa David J. Keil, with V. L. Holland 2001-3-29 29233 San Luis Obispo Santa Lucia Mountains. Santa Rita Road, ca. 4.6 road miles east from junction with Old Creek Road Comment
  UCSB14981  Eschscholzia caespitosa Breedlove, Dennis 1962-3-24 San Luis Obispo Avila Beach turnoff on U.S. 101 60 Comment
  OBI31132  Eschscholzia californica Julie M. Vanderwier 1979-5-21 149 San Luis Obispo Indian Knob Tar Sands Comment
  SBBG104415  Eschscholzia californica M. D. Proctor, E. A. Young 1993-3-19 ROB 251 San Luis Obispo 0.5 km E of Sat Com on E Perimeter Rd; Camp Roberts Comment
  CAS-BOT-BC403475  Eschscholzia californica R. F. Hoover 1950-4-14 7811 San Luis Obispo East side of La Panza Range Comment
  CAS-BOT-BC403510  Eschscholzia californica Ernest C. Twisselmann 1953-6-1 227 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Twisselmann Ranch: Eastern San Luis Obispo County Comment
  OBI57674  Eschscholzia californica Austin P. Griffiths 1980-3-19 s.n. San Luis Obispo Oceano Dunes Region. Along residential berm in Oceano Comment
  SDSU830  Eschscholzia californica D. F. Howe 1960-4-10 2856 San Luis Obispo East of sand dunes south of Morro Bay. Comment
  UCD95286  Eschscholzia californica Curtis Clark 1975-5-26 500 San Luis Obispo San Luis Obispo County: east of Santa Margarita on State Highway 58, 1.3 miles west of junction with State Highway 229. Comment
  UCD95309  Eschscholzia californica Austin P. Griffith 1977-12-5 s.n. San Luis Obispo San Luis Obispo County: between Halcyon and Oceano. 10 Comment
  OBI11772  Eschscholzia hypecoides Robert F. Hoover 1952-4-8 8085 San Luis Obispo Just W of summit of Temblor range on McKittrick rd Comment
  CAS-BOT-BC76480  Eschscholzia lemmonii R. F. Hoover 1952-4-8 8080 San Luis Obispo La Panza district. Comment
  CAS-BOT-BC76492  Eschscholzia lemmonii Alice Eastwood; John Thomas Howell 1937-4-29 4106 San Luis Obispo Temblor Range. Comment
  SJSU3360  Eschscholzia lemmonii subsp. lemmonii C. W. Sharsmith 1962-4-21 6835 San Luis Obispo foot of Recruit Canyon near Crocker Peak, Temblor Range Comment
  OBI22805  Eucalyptus camaldulensis Peter Gray 1971-2-25 20 San Luis Obispo Cal Poly campus; Adj to Erhart ag and English bldgs Comment
  OBI53410  Eucalyptus globulus Arthur W. Hazebrook 1993-5-23 230 San Luis Obispo Nipomo Dunes complex, NE portion of Big Coreopsis Hill Comment
  CDA34844  Eucalyptus viminalis David J. Keil, V. L Holland 2009-6-16 30619 San Luis Obispo Between San Luis Obispo and Arroyo Grande. Area southeast of intersection of California Highway 227 (Carpenter Canyon Road) and Noyes Road in vicinity of high tension line corridor. Comment
  UC1927739  Euphorbia helioscopia David Keil 2006-3-5 30425 San Luis Obispo San Luis Obispo. Los Osos Valley Road, just E of overpass over US Route 101 and San Luis Creek. Agricultural field just S of road. Comment
  UC1953217  Euphorbia oblongata David Keil 2000-6-6 28809 San Luis Obispo Highway 101 roadside ca. 100 m south from Monterey Street off ramp along north bound side of freeway. Comment
  OBI71233  Euphorbia peplus Ann Cochran 1986-7-29 58 San Luis Obispo Field behind Las Pilitas Nursery, located on Las Pilitas Rd 305 Comment
  UC54822  Euphorbia spathulata Mrs. R. W. Summers 1880-4-25 San Luis Obispo Santa Lucia Mts. Comment
  OBI26588  Euthamia occidentalis David J. Keil 1980-9-21 14255 San Luis Obispo 3 mi S of Creston along Calif rte 229 along middle brach of Huer Huero Crk Cyn Comment
  OBI17355  Extriplex californica Robert F. Hoover 1946-8-8 6280 San Luis Obispo N end of Morro Bay Comment
  OBI77919  Extriplex californica Austin P. Griffiths, Joe R. Walker 1982-4-28 s.n. San Luis Obispo Guadalupe Dunes. More or less midway between Oso Flaco crk and Santa Maria R Comment
  SEINET1004406  Fabaceae George K. Helmkamp 2004-1 8645 San Luis Obispo Central Coast: Nipomo Mesa, between Arroyo Grande and Nipomo, Willow Rd., 0.6 mi E of Hwy CA-1. 91 Comment
  OBI59018  Festuca arundinacea David J. Keil, with Rhonda Riggins and D. R. Miller 1998-5-27 27464 San Luis Obispo Santa Lucia Mountains. San Simeon Creek Rd., 7.4 miles NE from Hwy 1 at locked gate. Comment
  UCD65900  Festuca californica subsp. californica Clare B. Hardham 1958-5-10 3274 San Luis Obispo San Luis Obispo County: San Lucia Mountains, Cypress Mt. Comment
  CAS-BOT-BC278371  Festuca elmeri R. F. Hoover 1949-5-22 7717 San Luis Obispo 2 mi. E. of Templeton Comment
  SBBG104573  Festuca microstachys M. D. Proctor, E. A. Young 1993-3-19 ROB 246 San Luis Obispo ca. 0.5 km NE of Gate 11 on Nacimiento Rd; Camp Roberts Comment
  OBI21843  Festuca microstachys Robert F. Hoover 1964-5-11 8783 San Luis Obispo Rd to Hi Mtn from Pozo-Arroyo Grande summit Comment
  OBI75489  Festuca myuros Jenner Whitt 2003-4-3 25 San Luis Obispo Chaparral burn on hwy 58 1 mi E of jctn 229. Burned Jul 2002 400 Comment
  UCR190592  Festuca myuros George K. Helmkamp, E. A. Helmkamp 2005-3-30 9244 San Luis Obispo Outer South Coast Ranges, Pozo Road, 5.5 mi east of [Santa Margarita Lake Road]; W end of Garcia Mountains 503 Comment
  OBI35653  Festuca myuros S. M. Inman 1983-5-7 28 San Luis Obispo Pecho Study Site, Los Osos. 1/2 mi S on Pecho Valley rd past jctn of Pecho rd. Rt on dirt road after 'deer' sign, to S of dirt rd Comment
  OBI21971  Festuca perennis Robert D. Page 1962-4-20 78 San Luis Obispo Calif State Polytechnic College, San Luis Obispo Comment
  OBI46211  Festuca perennis David J. Keil 1982-6-27 16320 San Luis Obispo Hills overlooking Los Osos from the S Comment
  SBBG118310  Festuca perennis E. Painter, M. Wetherwax, K. Downing 2002-5-8 SLO 251 San Luis Obispo Chumash Pk; Camp San Luis Obispo 170 Comment
  OBI6608  Festuca perennis Richard Whittington 1971-2-26 9 A San Luis Obispo Cal Poly airstrip, San Luis Obispo 85 Comment
  OBI21972  Festuca temulenta Robert F. Hoover 1964-6-5 8929 San Luis Obispo Ridge W of upper Lopez cyn Comment
  SEINET12122032  Foeniculum vulgare S. A. Thompson, Rawlins, J. E. 1988-1 5238 San Luis Obispo 6 mi N of San Simeon on CA 1, Arroyo de la Cruz 10 Comment
  UC55314  Forestiera pubescens J. H. Barber 1900-8-30 San Luis Obispo bank of Salinas River Comment
  SBBG13977  Fragaria chiloensis E. R. Blakley 1958-8-2 2422 San Luis Obispo Dune Lakes, 4 mi S of Oceano 3 Comment
  CAS-BOT-BC52667  Frangula californica subsp. californica Ynez Whilton Winblad 1937-6-16 s.n. San Luis Obispo Between Atascadero and Morro Comment
  OBI10300  Frangula californica subsp. californica Robert F. Hoover 1965-9-7 9522 San Luis Obispo Santa Rita Crk W of Templeton Comment
  SBBG93776  Frangula californica subsp. californica S. A. Junak 1990-7-12 4393 San Luis Obispo W Cuesta Ridge, just E of saddle at W end of Cuesta Ridge Botanical Area on N side of W Cuesta Ridge Rd (USFS Rd 29S11.3) ca. 5.6 mi W of Hwy 101 731 Comment
  CAS-BOT-BC52651  Frangula californica subsp. californica Ira L. Wiggins 1929-4-15 3558 San Luis Obispo between Guadalupe and Oceana Comment
  CAS-BOT-BC53588  Frangula californica subsp. tomentella Alice Eastwood 1926-5-4 13857 San Luis Obispo Paso Robles Comment
  UCSB72138  Frankenia palmeri Ryan, P.; Penkala, B. 1987-7-2 San Luis Obispo Cholame, directly east of town 1/4 mile in field grazed by cattle. 347 Comment
  OBI37083  Frankenia salina Eric Wise 1982-5-17 1478 San Luis Obispo Twisselman Lake. Palo Prieto Cyn. Comment
  CAS-BOT-BC211638  Frankenia salina Ernest C. Twisselmann 1954-6-5 1323 San Luis Obispo Soda Lake, Barrens at South End, Carrisa Plains, Temblor Range and the Western San Joaquin Valley 579 Comment
  OBI25500  Frankenia salina Dirk R. Walters, M. G. McLeod 1979-8-15 1329 San Luis Obispo Plants collected on consultation trip with Michael Mortenson D.O.T. to bridge replacement sites at intersection of Shell, Camatti, Navajo and San Juan Creeks with state hwy 58 Comment
  UC672599  Frankenia salina H. L. Mason 1929-10-13 5503 San Luis Obispo 2-1/3 mi n Cambria Comment
  RSA699630  Franseria bipinnatifida Keith E. Hoffmaster 1935-7-3 s.n. San Luis Obispo Oceano. Comment
  UC306904  Fraxinus dipetala Philip A. Munz 1925-4-8 10132 San Luis Obispo Paso Robles Comment
  SBBG15926  Fremontodendron californicum M. A. Piehl 1963-4-20 6377 San Luis Obispo 2.5 mi W of Cuesta Summit Pass, US Hwy 101 Comment
  OBI7357  Fremontodendron californicum Mark Fresh 1976-2-24 4 San Luis Obispo 150 ft due N of Diablo dorm, on Cal Poly Comment
  CAS-BOT-BC130112  Fritillaria biflora R. W. S. May s.n. San Luis Obispo Base of S. Luis Mt. Comment
  CAS-BOT-BC130266  Fritillaria biflora John Thomas Howell 1931-3-22 5946 San Luis Obispo At summit of Cuesta Pass Comment
  OBI72617  Fritillaria biflora Andy Dollahite, Matt Paradis, Matt Banks, and German Sotelo 2002-3-5 20 San Luis Obispo 3/4 mi from head of Reservoir Cyn trl from hwy 101 150 Comment
  OBI80698  Fritillaria biflora D. R. Miller 2015-1-18 115 .1102 San Luis Obispo 1.5 miles north of Hearst Castle entrance gate at Hwy 1 on west side of highway 40 Comment
  RSA133278  Fritillaria biflora Clare B. Hardham 1959-4-10 4213 San Luis Obispo Chimney Rock Ranch; intersection Oak Flat Road and North Road to Adelaida; Santa Lucia Mountains Comment
  OBI59936  Galium andrewsii G. F. Hrusa 1993-5-2 11098 San Luis Obispo Black Butte Research Natural Area. Approx 1/2 mi N of Mt. Lower 600 Comment
  OBI3883  Galium andrewsii Patricia Wiese 1971-5-7 38 San Luis Obispo Cuesta Botanical Area. 2 mi NW of Cuesta Pass 762 Comment
  OBI53310  Galium andrewsii Lynne Dee Oyler 1986-4-5 395 San Luis Obispo American Cyn blue oak study site in cattle exclosure. Los Padres natl Forest S1/2, SW 1/4, sec 28 R16E, T30S, MDBM Comment
  SBBG120106  Galium andrewsii subsp. andrewsii E. Painter, M. Wetherwax 2001-2-21 CR 137 San Luis Obispo bench above Nacimiento River, W of Boy Scout Rd, SW of Twin Bridges; Camp Roberts Comment
  UC1143124  Galium angustifolium subsp. angustifolium T. M. Hendrix 1939-5-10 1010 San Luis Obispo 1.1 mi w Branch Mt. (Plot 116); Los Padres National Forest, Branch Mt. Quadrangle Comment
  OBI31335  Galium aparine Joy Nishida 1982-4-10 209 San Luis Obispo American Cyn campground 536 Comment
  POM67472  Galium californicum Marcus E. Jones 1882-5-8 s.n. San Luis Obispo San Luis Obispo. Comment
  OBI42188  Galium californicum subsp. flaccidum David J. Keil, Lynne Dee Oyler and Rick Oyler 1986-5-17 19496 San Luis Obispo Santa Margarita Ranch. 3.6 mi S of Santa Margarita along ranch rd. Eastern base of Santa Lucia Mts in area that was locally the eastern boundary of the Las Pilitas fire of July 1985. Comment
  OBI74313  Galium murale Theo Fitanides, Anthony Baniaga 2010-4-10 80 San Luis Obispo Tierra Redonda Mtn BLM ACEC 329 Comment
  OBI4498  Galium porrigens Elizabeth Rudd 1971-5-23 293 San Luis Obispo 3 mi NE of Santa Margarita 366 Comment
  OBI78088  Galium porrigens var. tenue George Butterworth 2013-3-21 898 San Luis Obispo San Juan Rd .9 mi S of San Juan Spur Rd 707 Comment
  HSC91782  Gamochaeta ustulata Susan H. Bicknell 1989-4-17 San Luis Obispo Montano de Oro State Park, MDO1 Comment
  OBI31097  Gamochaeta ustulata Julie M. Vanderwier 1979-5-4 151 San Luis Obispo Indian Knob Tar Sands Comment
  UCR18703  Gamochaeta ustulata Eugene Cardiff 1966-5-13 s.n. San Luis Obispo Central Coast, Cambria, within 100 yards of ocean 15 Comment
  OBI48235  Garrya elliptica David J. Keil 1989-5-29 s.n. San Luis Obispo Montana de Oro State Park. along Coon Crk trail Comment
  OBI62793  Garrya elliptica Ed Zimmerman 1966-4-8 11 San Luis Obispo Perfumo cyn Comment
  CAS-BOT-BC208392  Garrya elliptica Gertrude Sinsheimer 1930-3-1 s.n. San Luis Obispo Canyon [canon] beyond Chorro Canyon [canon] Comment
  SBBG119082  Garrya veatchii E. Painter, M. Wetherwax 1999-11-14 SLO 16 San Luis Obispo just N of crk crossing, ca. 1 air km SSW of Pick and Shovel Mine, E of main branch of Chorro Crk, ca. 2 air km NE of Chorro Reservoir; Camp San Luis Obispo 400 Comment
  UC1132052  Gastridium ventricosum H. C. Lee 1937-5-10 920 San Luis Obispo 3 mi w San Miguel; Paso Robles Quad. Comment
  CAS-BOT-BC283912  Gastridium ventricosum Ernest C. Twisselmann 1956-6-13 2936 San Luis Obispo La Panza Range. NE spur of Black Mountain, around a campsite 536 Comment
  CAS-BOT-BC58935  Gaultheria shallon Clare B. Hardham 1959-5-23 4642 San Luis Obispo Islay Canyon, Pecho Mts. Comment
  OBI70810  Gazania linearis David J. Keil 2009-6-30 30625 San Luis Obispo San Luis Obispo Rainwater detention basin behind Marigold Shopping Center (intersection of Broad Street and Tank Farm Road. 35 deg. 14.97'N x 120 deg. 38.45'W 55 Comment
  CAS-BOT-BC257146  Genista monspessulana M. Wetherwax; E. L. Painter; N. Havlik 2003-5-30 SLO- 341 San Luis Obispo Camp San Luis Obispo. Roadside, Camp San Luis Obispo / California Men's Colony prison interface 140 Comment
  RSA682349  Genista monspessulana Scott D. White, Ken McDonald 2001-5-9 8483 San Luis Obispo Central Coast: Price Cyn, inland from Pismo Beach. Union Pacific RR Right of Way, Edna to Pismo Beach. 6 Comment
  OBI66456  Geranium core-core David J. Keil 2005-6-24 30408 San Luis Obispo Cambria. 0.6 miles n of Burton Drive along Highway 1 Comment
  OBI75256  Geranium molle David J. Keil 2011-5-12 31009 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 304 Comment
  RSA124937  Gilia achilleifolia Clare B. Hardham 1959-5-23 4642 San Luis Obispo Mouth of Islay Canyon, Pecho Mts. Comment
  SEINET3930993  Gilia achilleifolia subsp. achilleifolia David Keil 1987-5-6 20132 San Luis Obispo Highway 229 ca 1/2 miles north of junction highway 58.; 0 Comment
  UC55347  Gilia achilleifolia subsp. achilleifolia J. H. Barber 1901-4-14 A 21 San Luis Obispo Paso Robles Comment
  RSA0042944  Gilia achilleifolia subsp. multicaulis LeRoy Gross, Pam DeVries, Melinda Elster 2014-5-21 6538 San Luis Obispo La Panza Range: Western side of the Machesna Mountain Wilderness. American Canyon Campground., Near 35.28461N 120.26558W. Follow trail up to last creek crossing, below stock pond. Near the main ridge line. Ended near 35.29415N 120.23097W. 538 Comment
  RSA0056282  Gilia capitata W. M. Arbaugh 1968-4-14 230 San Luis Obispo Santa Magarita, 3 miles east of town, near the bridge. Comment
  SBBG117456  Gilia clivorum E. Painter, M. Wetherwax 2001-3-20 CR 145 San Luis Obispo first terrace above river, near low water bridge over Nacimiento River; Camp Roberts 140 Comment
  OBI74542  Gilia latiflora subsp. cuyamensis George Butterworth 2010-4-23 782 San Luis Obispo Chimineas Ranch. Garcia Rd, 0.1 mi S of Caliente Rd 1033 Comment
  UC1023796  Gilia ochroleuca subsp. minima R. F. Hoover 1947-4-12 6909 San Luis Obispo Upper Navajo Creek, La Panza Range Comment
  CAS-BOT-BC225554  Gilia tenuiflora Mrs. L. Seitz 1927-4-25 s.n. San Luis Obispo Atascadero Comment
  CAS-BOT-BC225539  Gilia tenuiflora L. Gershenson 1980-4-19 15 San Luis Obispo 5.3 miles east of St. Margarita 365 Comment
  RSA148669  Gilia tenuiflora Clare B. Hardham 1961-5-24 7142 San Luis Obispo North side Blank Mt. Highland District E of Creston. Comment
  UC1302348  Gilia tenuiflora Clare B. Hardham 1961-4-17 6824 San Luis Obispo Pine Mt. e Cambria; Pine Mt. e of Cambria 914 Comment
  UC30158  Gilia tenuiflora W. H. Brewer 1861-5-3 547 San Luis Obispo mountains along Nascimiento River Comment
  OBI73216  Gilia tenuiflora subsp. tenuiflora David J. Keil, with Jason Dart and Meg Perry 2010-4-27 30722 San Luis Obispo La Panza Mountains. South side of Highway 58, 0.4 miles west of Shell Creek Road. 450 Comment
  CAS-BOT-BC266509  Githopsis diffusa R. F. Hoover 1952-5-11 8199 San Luis Obispo La Panza Range. Burned area at Navajo Camp Comment
  SBBG107173  Githopsis diffusa subsp. diffusa C. B. Hardham 1960-5-5 5611 a San Luis Obispo Pine Mtn Comment
  OBI25374  Githopsis diffusa subsp. robusta Robert F. Hoover 1952-5-11 8181 San Luis Obispo La Panza Range. W slope (Pozo-La Panza Rd) Comment
  CDA34863  Gleditsia triacanthos David J. Keil 1998-9-4 28073 San Luis Obispo Santa Margarita; small town in foothill woodland area. Comment
  CDA19987  Gnaphalium californicum J. Hunter May 1994 s.n. San Luis Obispo Black Butte Research Natural Area; Los Padres National Forest, Cuesta Ridge East 0 Comment
  JEPS52172  Gnaphalium canescens subsp. beneolens Ernest C. Twisselmann 1966-8-12 12720 San Luis Obispo summit e Palo Prieta Canyon; Palo Prieta Canyon, Hardenburgh field, Dorothy Twisselmann R 609 Comment
  OBI55574  Gnaphalium palustre George Butterworth 1998-6-13 272 San Luis Obispo Carrizo Plain Natural Area. 50 yds N of Padrones Rd (from calf shed), .9 mi S of Soda L Rd. T11N, R25W, S21, SWQ 823 Comment
  OBI66341  Gnaphalium palustre David J. Keil, with Karen Danielson, Clifton Smith and Jeanette Sainz 1997-5-15 26276 San Luis Obispo Los padres national forest. la panza mountains. fringe of machesna mountain wilderness. ridge along road past castle crags and slopes below to south. area drained by small stream in canyon. 732 Comment
  OBI16371  Grindelia hirsutula Robert F. Hoover 1952-7-13 8266 San Luis Obispo Near mouth of Arroyo de la Cruz Comment
  SBBG109818  Grindelia hirsutula C. B. Hardham 1956-8-8 1279 San Luis Obispo Santa Rita Rd near intersection with Cayucos Rd Comment
  UCSB6574  Grindelia hirsutula Keator, Glenn 1958-6-10 San Luis Obispo About 5 miles north of Morro Bay, along Highway 1 Comment
  CAS-BOT-BC305092  Grindelia hirsutula Ernest C. Twisselmann 1968-9-16 14930 San Luis Obispo Union District: 2.5 miles east of Huero Huero [Huerhuero] Creek on old Highway 41 243 Comment
  CAS-BOT-BC305124  Grindelia hirsutula Alice Eastwood; John Thomas Howell 1936-5-6 2240 San Luis Obispo At Morro Comment
  RSA613939  Guillenia lasiophylla George K. Helmkamp, E. A. Helmkamp 1997-3-8 1404 San Luis Obispo Carrizo Plain. 30.1 mi. NW of CA-166 on Soda Lake Rd; at San Diego Crk Rd and edge of Soda Lake. 701 Comment
  UC1127015  Guillenia lasiophylla G. T. Nordstrom 1937-4-28 1122 San Luis Obispo 3.7 mi ne Chimney Rock; Adelaida Quad. 335 Comment
  JEPS18672  Gutierrezia californica Ernest C. Twisselmann 1955-9-1 2366 San Luis Obispo 8.6 mi s Shandon; Temblor Range, Western San Joaquin Valley, San Juan River Va 441 Comment
  HSC91781  Hazardia squarrosa Susan H. Bicknell 1988-8-19 San Luis Obispo Montano de Oro State Park, MDO 8 Comment
  OBI31636  Hazardia squarrosa Turnquist, Smeltzer 1982-7-28 213 San Luis Obispo Laguna Lake Park Comment
  OBI51763  Hazardia squarrosa R. Mike Arens 1994-6-10 84 San Luis Obispo Cal Poly campus. Poly Cyn near Botanical Garden foot bridge 152 Comment
  OBI79096  Hedera helix David J. Keil 2011-11-5 31139 San Luis Obispo Oceano. Norswing Drive near intersection with Coolidge Drive 6 Comment
  OBI16337  Helenium puberulum Robert F. Hoover 1964-8-14 9261 San Luis Obispo Jack Lake Comment
  OBI30705  Helenium puberulum Julie M. Vanderwier 1980-11-10 s.n. San Luis Obispo Indian Knob Tar Sands Comment
  UC1285391  Helenium puberulum R. F. Hoover 1964-8-14 9262 San Luis Obispo Jack Lake Comment
  OBI16330  Helianthus annuus Robert F. Hoover 1966-9-16 10070 San Luis Obispo 2 mi N of Creston Comment
  CAS-BOT-BC305757  Helianthus gracilentus David D. Keck 1934-4-26 2833 San Luis Obispo 7.8 mi. W. of La Panza on west side of Pozo Range 670 Comment
  RSA0027664  Heliotropium curassavicum Greg Wilvert 2005-5-31 452 San Luis Obispo Dead end of Padrones Cyn. Rd. 866 Comment
  UC1392602  Heliotropium curassavicum R. F. Hoover 1969-7-19 11500 San Luis Obispo s. of Pismo Creek near Pismo Beach Comment
  OBI15575  Helminthotheca echioides Betty Sheehan 1957-10-11 7 San Luis Obispo Cal Poly Campus, Science Bldg Comment
  OBI27217  Helminthotheca echioides Thomas Burrows 1980-8-14 115 San Luis Obispo Reservoir Cyn Comment
  OBI38440  Helminthotheca echioides Eric Wise 1981-6-30 882 San Luis Obispo Mud Lake of Dune Lakes Comment
  UCR116531  Hemizonia congesta O. F. Clarke 2000-10-22 s.n. San Luis Obispo Outer South Coast Range, c. 3 miles east of Cal & Letty French residence (on Chimney Rock Rd. c. 1/2 mi. east of Paso Robles) up grade on small blacktop road 300 Comment
  CHSC47117  Hemizonia congesta subsp. luzulifolia L. P. Janeway; B. Castro 1989-2-17 3173 San Luis Obispo Upper reaches of Stenner Cr, ca. 0.2 mi SW of the S portal of aqueduct tunnel through W Cuesta Ridge. 365 Comment
  OBI16212  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1946-9-15 6400 San Luis Obispo Rinconada district, between Santa Margarita and Pozo Comment
  OBI35379  Hemizonia congesta subsp. luzulifolia K. A. Nadeau 1983-8-13 40 San Luis Obispo About 3 mi E of San Luis Obispo on ridge above intersection of Broad St and rockview rd Comment
  OBI16211  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1946-8-24 6333 San Luis Obispo Near Laguna near San Luis Obispo Comment
  SEINET11848416  Hemizonia corymbosa Unknown 1933-1 8424 San Luis Obispo Arroyo Grande Comment
  CDA7807  Hemizonia parryi subsp. congdonii Agricultural Commissioner 1968-7-25 San Luis Obispo B. Mehlshau property, Edna. 0 Comment
  UCR161462  Hemizonia pentactis George K. Helmkamp, E. A. Helmkamp 2005-6-12 9644 San Luis Obispo South Central Coast Ranges, along Calif. Hwy 58 (Calf Canyon Hwy), 6.7 miles east of Santa Margarita 485 Comment
  CAS-BOT-BC310239  Hesperevax sparsiflora var. sparsiflora Marcus E. Jones 1882-5-1 s.n. San Luis Obispo San Luis Obispo Comment
  OBI55307  Hesperevax sparsiflora var. sparsiflora David J. Keil 1998-4-10 26685 San Luis Obispo At LeRoy Baldwin property, 2051 O'Connor Way, SW of San Luis Obispo. Comment
  CAS-BOT-BC422572  Hesperomecon linearis Ernest C. Twisselmann 1958-4-10 4219 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 3 miles south of US466 487 Comment
  OBI6650  Hesperoyucca whipplei Greg Hassen 1975-7-8 27 San Luis Obispo Poly Cyn [Cal Poly campus] Comment
  OBI27377  Heteromeles arbutifolia Thomas Burrows 1980-6-20 75 San Luis Obispo Reservoir Cyn, San Luis Obispo 168 Comment
  OBI83459  Heteromeles arbutifolia Tanner Tellenbach, Elijah Lax, Brett Donahue, Nolan Donahue 2017-1-26 4 San Luis Obispo Johnson Ranch Open Space: take Highway 101 south to exit 198 for Higuera Street. At the bottom of a horseshoe bend in the off ramp, turn left into a parking area for Johnson Ranch. To the right of the road follow the trail, cross a stream, about 100 yards up from the stream, and about 50 yards to the right of the trail if you are looking at the stream. 80 Comment
  CAS-BOT-BC148457  Heteromeles arbutifolia Julia McDonald 1925-7-21 s.n. San Luis Obispo Polytechnic School grounds Comment
  OBI16095  Heterotheca grandiflora F. Rush August1957 s.n. San Luis Obispo S Morro Bay Comment
  OBI78663  Heterotheca grandiflora Rebecca Liberatore 2013-11-11 1 San Luis Obispo Base of Irish Hills Open Space, San Luis Obispo, CA. Directly west of South corner of Costco parking lot 46 Comment
  SBBG63063  Heterotheca grandiflora E. C. Twisselmann 1972-9-23 19280 San Luis Obispo T. Franklin Twisselmann Ranch, Choice Valley 640 Comment
  UC1069586  Heterotheca grandiflora N. K. Carlson 1936-3-19 184 San Luis Obispo 1.1 mi ne Pismo (near Plot 11); Arroyo Grande Quadrangle 68 Comment
  CAS-BOT-BC310948  Heterotheca grandiflora Ernest C. Twisselmann 1968-8-23 14908 San Luis Obispo Estrella River 2.5 miles north of River Grove 243 Comment
  CAS-BOT-BC311126  Heterotheca oregona var. scaberrima R. F. Hoover 1946-10-20 6515 San Luis Obispo Upper Huasna River just below Arroyo Seco Comment
  OBI49788  Heterotheca sessiliflora subsp. echioides D. R. Miller 1991-9-5 991 1 C San Luis Obispo Along main ridge rd, near Air Strip, upper San Simeon crk area 518 Comment
  SBBG111562  Heterotheca sessiliflora subsp. echioides C. B. Hardham 1956-9-25 1402 San Luis Obispo San Marcos Comment
  RSA769870  Holcus lanatus David J. Keil, V. L. Holland 2010-6-15 30890 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. 100 Comment
  UC1576176  Hollisteria lanata David Keil with Rhonda Riggins and Kathryn Bay 1986-4-26 19281 San Luis Obispo 5.3 mi se of Crocker Grade Road on Elkhorn Road (Elkhorn Plain); Elkhorn Plain 701 Comment
  JEPS108264  Hollisteria lanata David Gowen 2005-5-11 296 San Luis Obispo Elkhorn Road (dirt). Hill south of side road, ca 2.4 miles north of Hurricane Rd. Comment
  SBBG1676  Hollisteria lanata C. B. Hardham 1958-6-6 4715 San Luis Obispo jct of Camatta Rd and Calf Cyn Rd (Highland School District) Comment
  CAS-BOT-BC325890  Holocarpha heermannii Louis Sinsheimer 1927-7-31 s.n. San Luis Obispo Adelaide Comment
  JEPS97116  Holodiscus discolor F. L. Johnson and E. A. Young 1993-5-23 ROB 518 San Luis Obispo Twin Bridges on Boyscout Road Camp Roberts Comment
  OBI75770  Holodiscus discolor Steven A. Junak 1990-5-1 4302 San Luis Obispo Santa Lucia Mts: at N edge of Cuesta Ridge Botanical Area, along old trail on ridge about 0.55 mi E of W Cuesta Ridge rd (USFS rd #29S11.3) about 0.3 mi S of second high voltage tower E of W Cuesta Ridge Rd 594 Comment
  CAS-BOT-BC150045  Holodiscus discolor var. discolor Ernest C. Twisselmann 1955-7-31 2293 San Luis Obispo Jack Creek at York Mountain 274 Comment
  CAS-BOT-BC284673  Hordeum brachyantherum subsp. brachyantherum Ira L. Wiggins 1929-4-16 3643 San Luis Obispo 2 miles north of Cayucos Comment
  CAS-BOT-BC289526  Hordeum brachyantherum subsp. californicum Clare B. Hardham 1957-5-12 1920 San Luis Obispo Green's Lake, Santa Lucia Mountains Comment
  OBI50129  Hordeum depressum Michael Curto, L. Allen, R. Pimentel, & R. Riggins 1992-4-12 822 San Luis Obispo Carrizo Plain: between CA Hwy 58 and Soda Lake, ~5km E of Soda Lake Rd on Belmont Trl Comment
  OBI32314  Hordeum marinum David J. Keil, Eric Wise 1984-5-25 14802 San Luis Obispo N of San Simeon in vicinity of Arroyo de la Cruz. Near hwy 1 Comment
  OBI6990  Hordeum marinum Theo Fitanides, Anthony Baniaga 2010-5-7 161 San Luis Obispo Tierra Redondoa Mtn BLM ACEC 471 Comment
  OBI64667  Hordeum marinum David J. Keil, with Margriet Wetherwax, Beth Painter, Jody Olsen, Kevin Downing, Charis Bratt, and Lynne Dee (Oyler) Althouse 2000-5-16 28685 San Luis Obispo Camp Roberts; along tank trail parallel to Avery Rd and inside the Avery vernal pool exclosure. Comment
  UCSB43897  Hordeum marinum Oberholtzer, M. 1980-4-20 San Luis Obispo One quarter mile west of the east entrance kiosk of the Hunter-Liggett Military Reservation on Nacimiento-Fergusson Rd. 304 Comment
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  OBI78749  Hordeum marinum subsp. gussoneanum David J. Keil 2013-9-5 32024 San Luis Obispo Morro Bay State Park. Hillside at west base of Portola Hill above South Bay Blvd south of Quarry Trail trailhead along Live Oak Trail 24 Comment
  OBI21930  Hordeum marinum subsp. gussoneanum F. Rush April1956 36 San Luis Obispo Comment
  OBI27135  Hordeum murinum Thomas Burrows 1980-4-24 22 San Luis Obispo Reservoir Cyn 152 Comment
  OBI45279  Hordeum vulgare David J. Keil 1982-6-26 16188 San Luis Obispo Vicinity of Arroyo de la Cruz N of San Simeon Comment
  OBI50279  Horkelia cuneata Tawney Odegard 1985-3-10 21 San Luis Obispo Morro Bay Kangaroo Rat Reserve. SE of Morro Bay, 0.5 mi down Pecho Valley rd after passing "Golf Course" sign, turn rt on dirt rd just past "Deer" sign and continue toward dunes for 0.5 mi. MBKR site is on the left Comment
  OBI10098  Horkelia cuneata subsp. puberula Robert F. Hoover 1966-5-17 9866 San Luis Obispo Indian Knob Ridge Comment
  CAS-BOT-BC148590  Horkelia cuneata var. puberula Roxana S. Ferris 1939-6-9 9772 San Luis Obispo Northern edge of Atascadero Comment
  OBI13199  Hosackia gracilis Robert F. Hoover 1950-4-21 7851 San Luis Obispo Cambria Comment
  OBI79881  Hydrocotyle verticillata David J. Keil 2012-7-26 31482 San Luis Obispo Los Osos. Morro Bay salt marsh and fringe of freshwater marsh from Los Osos Creek estuary to base of El Morro Elfin Forest, west of South Bay Blvd. 2 Comment
  OBI31227  Hypericum anagalloides Julie M. Vanderwier 1979-5-19 168 San Luis Obispo Indian Knob Tar Sands Comment
  OBI72248  Hypochaeris glabra Anthony Baniaga 2010-3-27 70 San Luis Obispo Tierra Redonda Mtn BLM ACEC 340 Comment
  OBI79452  Hypochaeris glabra David J. Keil, with Matt Ritter, Mike Simpson, David Chipping, Heath Bartosh, & Taylor Crow 2013-5-2 31703 San Luis Obispo Avenales Ranch, south of Pozo. Upper Alamo Creek drainage. Hike from 35.178659 deg. , -120.196577 deg. to 35.16639227 deg. , -120.1875824 deg. 420 Comment
  SBBG117882  Hypochaeris glabra E. Painter, M. Wetherwax 2003-3-18 CR 391 San Luis Obispo near low water bridge over Nacimiento River; Camp Roberts 162 Comment
  SBBG92468  Hypochaeris glabra S. A. Junak 1989-4-27 3970 San Luis Obispo S side of USFS Rd 29S11.3, ca. 0.2 mi E of boundary for the Cuesta Ridge Botanical Area, 3.2 mi W of US Hwy 101 731 Comment
  UC1069652  Hypochaeris glabra P. L. Johannsen 1936-3-21 692 San Luis Obispo 1.5 mi se Terrace Hill; San Luis Obispo Quadrangle Comment
  OBI32786  Hypochaeris glabra David J. Keil, Julie Vanderwier and Glenda Winn 1978-1 12705 San Luis Obispo T305 R15E sec 25. 5.2 mi ESE of Pozo along San Jose-Avenales rd at locked gate to Avenales Ranch Comment
  OBI27050  Iris douglasiana David J. Keil, Malcolm McLeod, Melissa Luckow, Julie Vanderwier, et al 1980-5-18 14031 San Luis Obispo CNPS photography committee field trip to Arroyo de la Cruz. Ca 1 mi E of Calif Rte 1 on Hearst Ranch Comment
  UC2027566  Isocoma acradenia var. acradenia David J. Keil with Matt Ritter, Taylor Crow, et al. 2012-3-3 31222 San Luis Obispo Sinton Ranch, south of Highway 58 on unpaved portion of Shell Creek Road. Comment
  OBI16002  Isocoma acradenia var. bracteosa Robert F. Hoover 1946-9-14 6386 San Luis Obispo Creston Comment
  SD108043  Isocoma menziesii var. menziesii W. R. Leverich 1972-10-9 1072 San Luis Obispo Piedras Blancas Point on the coast, 5 miles north of Cambria Comment
  CDA20335  Isocoma menziesii var. vernonioides A. Gilbert June 1996 s.n. San Luis Obispo Morro Bay. 0 Comment
  UC74082  Isocoma menziesii var. vernonioides Joseph Burtt Davy 1896-10-13 2715 b San Luis Obispo near the hotel Port Harford Comment
  OBI71688  Isocoma veneta var. vernonioides David J. Keil 1988-7-2 20874 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  OBI80448  Isolepis cernua David J. Keil 1978-8-18 12957 San Luis Obispo Sweet Springs Marsh, Los Osos. Freshwater marsh grading into coastal salt marsh. Comment
  SBBG109673  Isolepis cernua C. B. Hardham 1958-9-22 3915 San Luis Obispo Stenner Crk near San Luis Obispo Comment
  OBI38447  Jaumea carnosa Eric Wise 1981-6-15 580 San Luis Obispo Turri Rd, 1 mi E of So Bay Blvd Comment
  OBI57577  Jaumea carnosa Austin P. Griffiths, Dorothy Laine 1980-6-21 s.n. San Luis Obispo Morro Bay Sandspit. On shoreline on the bay side, ca 1/3 way S of point on sandspit 10 Comment
  SEINET11261297  Jaumea carnosa Robert L. Johnson 2015-7-30 4044 San Luis Obispo Near terminus of Santa Rosa Creek at Moonstone Beach Park, Cambria. Just north of Shamel Community Park.; 0 2 Comment
  CAS-BOT-BC101930  Juglans californica John Thomas Howell 1964-6-29 40796 San Luis Obispo On bank of Santa Rosa Creek, Cambria Comment
  CAS-BOT-BC110029  Juncus acutus R. F. Hoover 1964-6-11 9047 San Luis Obispo Cuesta-by-the-Sea, south end of Morro Bay. Comment
  OBI41065  Juncus breweri David J. Keil, Eric Wise 1983-8-30 17922 San Luis Obispo Black Lake Cyn, S of Arroyo Grande Comment
  RSA368333  Juncus breweri Edith A. Purer 1932-8-28 16077 San Luis Obispo Oceano Comment
  UC1101004  Juncus breweri Malcolm A. Nobs and S. Galen Smith 1949-6-22 876 San Luis Obispo ca 3 mi s Oceano (Dune Lakes Gun Club) Comment
  OBI31863  Juncus bufonius var. bufonius David J. Keil 1978-10-20 s.n. San Luis Obispo Reservoir Cyn Comment
  OBI32274  Juncus bufonius var. bufonius David J. Keil, Rhonda Riggins, Dirk Walters, Malcolm McLeod, Melissa Luckow, et al 1981-4-11 14445 San Luis Obispo 2 mi N of Arroyo de la Cruz Comment
  OBI37906  Juncus bufonius var. bufonius David J. Keil, Rhonda Riggins, Richard A. Pimentel, and D. R. "Doc" Miller 1985-4-27 18638 San Luis Obispo 19.5 mi from Calif Rte 1 along San Simeon Crk Rd, N of Rocky Butte lookout at locked gate 732 Comment
  HSC91566  Juncus effusus Susan H. Bicknell 1988-8-18 San Luis Obispo Montana de Oro State Park Comment
  SBBG92634  Juncus hesperius C. F. Smith 1961-9-15 6495 San Luis Obispo shore of Big Twin Lake in dunes S of Oceano Comment
  UCD141576  Juncus lescurii Malcom A. Nobs; S. Galen Smith 1948-9-9 657 San Luis Obispo San Luis Obispo County: south of Pismo Beach. Comment
  OBI58929  Juncus luciensis David J. Keil, with Kathleen A. Keil 1998-4-18 26815 San Luis Obispo Los Padres Natinal Forest. La Panza Mts., 1.6 miles from Hwy 58 on Red Hill Rd. Comment
  RSA201714A  Juncus luciensis Robert F. Hoover 1958-5-12 8472 San Luis Obispo 18 miles east of Creston on La Panza Road. Comment
  CDA11016  Juncus macrophyllus G. F. Hrusa 1993-5-21 11053 San Luis Obispo Stony Creek in Huasna area. Approximately 4 km. beyond Stony Creek Campground. Comment
  OBI80070  Juncus mexicanus David J. Keil 2000-5-26 28747 San Luis Obispo Santa Margarita Ranch, just north of 5 Mile Bridge, ca. 4 miles s of railroad crossing in Santa Margarita and westward along ranch roads. 366 Comment
  POM110774  Juncus occidentalis Marcus E. Jones 1882-5-9 3247 San Luis Obispo [No additional locality information.] Comment
  SBBG109435  Juncus occidentalis C. B. Hardham 1957-4-19 1799 San Luis Obispo spring, Santa Rita Ranch, York Mtn Comment
  OBI80300  Juncus patens William McNulty, Blair Howington and Julia Mace 2014-11-11 1 San Luis Obispo Cal Poly property, 1 mile east of 'Architecture Graveyard' in Poly Canyon 152 Comment
  UCSB17445  Juncus phaeocephalus Hardham, Clare 1959-4-12 San Luis Obispo Cambria; Santa Lucia Mountains Comment
  RSA216707  Juncus phaeocephalus var. phaeocephalus Robert F. Hoover 1969-7-2 11404 San Luis Obispo Hazard Canyon. Comment
  RSA201714B  Juncus tiehmii Robert F. Hoover 1958-5-12 8472 San Luis Obispo 18 miles east of Creston on La Panza Road. Comment
  RSA756114  Juncus xiphioides David J. Keil, Tina Teed, Mariko Uchida 2001-6-15 29601 San Luis Obispo Camp San Luis Obispo. Chorro Creek drainage. Chorro Creek Bog Thistle exclosure. 244 Comment
  UC1928165  Juncus xiphioides David Keil, Tina Teed and Mariko Uchida 2001-6-15 29581 San Luis Obispo Camp San Luis Obispo. Chorro Creep drainage. Chorro Creek Bog Thistle exclosure Comment
  UCSB69404  Juncus xiphioides Rindlaub, Kathy; Capralis 1985-6-23 San Luis Obispo Santa Maria River. 50 feet from back dune, 70 feet from access road. 4 Comment
  UC1927696  Keckiella antirrhinoides David Keil, Kathleen Keil 2003-6-15 30270 San Luis Obispo Cerro San Luis Obispo. Plants collected on upper slopes near road blazed to top of mountain in 1970s. At 35.28361 N x 120.68354 W Comment
  SBBG104767  Keckiella breviflora F. L. Johnson, E. A. Young 1993-5-23 ROB 524 San Luis Obispo Twin Bridges on Boy Scout Rd; Camp Roberts Comment
  UC2027025  Keckiella breviflora var. breviflora Greg Wilvert 2005-7-20 499 San Luis Obispo Southeast Half of the Caliente Range. 1.4km W of Semper Spring Comment
  OBI55178  Keckiella cordifolia Greg Frugoli 1997-5-31 94 San Luis Obispo Approx 0.5 mi up Pozo rd from the end of the pavement. La panza range, Los Padres NF (Hwy 58 burn area) 549 Comment
  SD249247  Kickxia elatine David Keil 1988-10-17 21153 1 San Luis Obispo Brizziolari Creek at bridge over Via Carta, Cal Poly campus. Along channel bank. 99 Comment
  OBI21945  Koeleria gerardi John Thomas Howell 1948-6-15 24376 San Luis Obispo Gill's Cyn SE of Shandon 457 Comment
  OBI21937  Koeleria macrantha Robert F. Hoover 1964-5-11 8777 San Luis Obispo Rd to Hi Mtn from Pozo-Arroyo Grande summit Comment
  POM181950  Koeleria macrantha J. G. Lemmon 1887-05 s.n. San Luis Obispo Hillock Comment
  SJSU3367  Krascheninnikovia lanata C. W. Sharsmith 1962-4-21 6824 San Luis Obispo Panorama Hills near foot of Recruit Canyon, Temblor Range Comment
  OBI31090  Lagophylla ramosissima Julie M. Vanderwier 1980-11-10 s.n. San Luis Obispo Indian Knob Tar Sands Comment
  UCR161941  Lamarckia aurea George K. Helmkamp, E. A. Helmkamp 2005-3-1 8992 San Luis Obispo South Outer Coast Ranges, Santa Lucia Range NE of Lopez Lake; 4.8 mi. N of Hi Mountain Road along Upper Lopez Lake Road. Vicinity of Wittenberg and Huffs Hole Creeks 232 Comment
  UCD63300  Lamarckia aurea R. N. Raynor 1938-7-4 San Luis Obispo San Luis Obispo County: Garden near Nipomo. Comment
  JEPS99190  Lamium amplexicaule Clare B. Hardham 1957-3-24 1557 San Luis Obispo Peachy Canyon Road Santa Lucia Mountains Comment
  OBI66092  Lamium amplexicaule D. R. Miller, S. A. Sinuta 1997-3-24 397 -642 San Luis Obispo Pine Mt Region, near Wentz Cabin, Town crk drainage 671 Comment
  CDA17658  Lastarriaea coriacea Austin Griffiths, Dirk Walters 1984-4-28 s.n. San Luis Obispo Callender Dunes; SE edge of White Lake. Comment
  OBI53028  Lastarriaea coriacea David J. Keil, Kathleen Keil, Lynne Dee Oyler, and Danielle DeRome 1991-4-6 21506 San Luis Obispo Nipomo Dunes. Big Coreopsis Hill S of Oso Flaco Lake Comment
  CDA15154  Lasthenia californica G. F. Hrusa 1998-4-26 14261 San Luis Obispo Temblor Range; at N end of Elkhorn Plain. Comment
  JEPS7792  Lasthenia ferrisiae G. Thomas Robbins and Rimo Bacigalupi 1952-4-20 3455 San Luis Obispo just e of lowest point in Carrizo Plain (ca. 8 mi se Soda Lake) 594 Comment
  CAS-BOT-BC352740  Lasthenia fremontii R. F. Hoover 1967-4-8 10372 San Luis Obispo Carrizo Plain near north end of Soda Lake. Comment
  SBBG123134  Lasthenia glaberrima D. Keil 2002-4-4 29788 San Luis Obispo vicinity of farm ponds N of Santa Margarita, E of Hwy 101; Santa Margarita Ranch 298 Comment
  SJSU3326  Lasthenia gracilis C. W. Sharsmith 1962-4-20 6803 San Luis Obispo Carrizo Plain c. 3 mi SE of Simmler Comment
  JEPS57916  Lasthenia leptalea Ernest C. Twisselmann and Donald J. Bedell 1968-3-6 14048 San Luis Obispo head Cammatta Canyon (at Bethel Ranch); La Panza Range, Bethel Ranch 533 Comment
  RSA128421  Lasthenia leptalea Clare B. Hardham 1958-4-20 3052 San Luis Obispo North Traffic Way, Atascadero - opposite old adobe. Plants of Santa Lucia Mountains. Comment
  UC1614499  Lathyrus Charles M. Belshaw 1935-3-27 4451 San Luis Obispo 3 mi e of Paso Robles (and southward to Kern County, back n from Tehachapi to Bakersfield) Comment
  OBI57914  Lathyrus jepsonii var. californicus David J. Keil 1998-6-15 27827 San Luis Obispo Along Santa Rita Creek Rd. W of Templeton, 2-3 miles W of junction with Vineyard Drive. Comment
  RSA18100  Lathyrus vestitus subsp. vestitus Carl B. Wolf 1929-4-16 3646 San Luis Obispo Narrow canyon of Morro Creek, 6 miles east of Morro Bay. 244 Comment
  SBBG104525  Lathyrus vestitus var. vestitus M. D. Proctor, E. A. Young 1993-4-11 ROB 365 San Luis Obispo Sulphur Spring Rd in middle of Area R; Camp Roberts Comment
  OBI22838  Laurus nobilis Jack M. Farrell 1955-2-21 48 San Luis Obispo Cal Poly campus Comment
  UC1929865  Lavandula stoechas Scott D. White, Ken McDonald 2001-5-9 8451 San Luis Obispo CENTRAL COAST: Price Cyn, inland from Pismo Beach. Union Pacific RR Right of Way, Edna to Pismo Beach. Comment
  UCSB17142  Layia gaillardioides Hardham, Clare 1959-4-22 San Luis Obispo Santa Rita Canyon, Santa Lucia Mountains, west of Templeton Comment
  UC89255  Layia glandulosa M. M. Miles San Luis Obispo San Luis Obispo Comment
  OBI15855  Layia glandulosa Eben McMillan 1952-4-30 77 San Luis Obispo San Juan Valley - 5 mi S, 4 mi E of Shandon Comment
  UCSB42673  Layia glandulosa Wood, Kathy 1980-4-25 San Luis Obispo Nipomo Mesa, about 5 miles south from Halcyon Road on California 1 30 Comment
  CAS-BOT-BC327210  Layia heterotricha Roxana S. Ferris 1935-3-29 9119 San Luis Obispo 16 miles S of Soda Lake on the Maricopa Road, Carriso Plain Comment
  POM223426  Layia heterotricha D. D. Keck 1935-4-10 3156 San Luis Obispo 18 miles south of Soda Lake toward southern end of Carrizo Plain. 610 Comment
  SBBG61199  Layia heterotricha J. E. Butner 1950-3-18 695 San Luis Obispo near Soda Lake Comment
  UCSB16571  Layia heterotricha 1962-3-24 San Luis Obispo 2.8 miles northeast of U.S. 466 at Cholame on State 41 441 Comment
  RSA605850  Layia jonesii R. S. Woglum 1938-5-15 1725 San Luis Obispo Central Coast: Morro Bay area. Comment
  SEINET3071640 Image available Layia jonesii M. E. Jones 1882-5-5 3224 San Luis Obispo San Luis Obispo Comment
  UC1285376  Layia jonesii R. F. Hoover 1948-4-22 7485 San Luis Obispo near San Luis Obispo; w base of Mt. Bishop Comment
  CAS-BOT-BC327499  Layia jonesii Rev. R. W. Summers 1890-4-9 s.n. San Luis Obispo Above Spring, Chalcedon Hill. San Luis Obispo. Comment
  CAS-BOT-BC327666  Layia munzii Roxana S. Ferris 1935-3-29 9121 San Luis Obispo 16 mi S of Soda Lake on the Maricopa Road, CArriso Plain Comment
  JEPS39997  Layia munzii W. L. Jepson 1932-4-3 16205 San Luis Obispo between Choice Valley and Carrizo Plain; Yeguas Hills 502 Comment
  OBI64412  Layia pentachaeta subsp. albida David J. Keil 2001-3-28 29205 San Luis Obispo Diablo Range, Avenal Ridge. Cottonwood Pass along Highway 41, 1.1 mile west of Kern County line. 597 Comment
  SEINET2442314  Layia pentachaeta subsp. albida David Keil 2001-3-28 29205 San Luis Obispo Diablo Range, Avenal Ridge. Cottonwood Pass along Highway 41, 1.1 mile west of Kern County line. 597 Comment
  UC1314963  Layia platyglossa R. F. Hoover 1967-5-13 10569 San Luis Obispo coast w of Cambria Comment
  UCD40567  Layia platyglossa Ellen Dean; Thomas Starbuck, Margaret Starbuck 2003-3-26 1531 San Luis Obispo San Luis Obispo County: Northern edge of California Valley, north of boundary of Carrizo Plain National Monument. Along Soda Lake Road, about 1 road mile south of intersection with Hwy 58. 609 Comment
  CAS-BOT-BC382116  Layia platyglossa Alice Eastwood 1927-4-9 14383 San Luis Obispo Atascadero Road Comment
  JEPS99105  Layia platyglossa Clare B. Hardham 1960-5-5 5617 San Luis Obispo Pine Mountain Santa Lucia Mountains 762 Comment
  OBI22959  Layia platyglossa David J. Keil 1977-3-12 11956 San Luis Obispo S of Shandon, 5 mi N of State Rte 58 in game preserve area Comment
  POM220926  Layia platyglossa subsp. campestris Roxana S. Ferris 1935-3-29 8113 San Luis Obispo Slopes above southern end of Soda Lake, Carisso Plain. Comment
  RSA530120  Lembertia congdonii D. W. Taylor, G. Clifton 1988-3-12 9384 San Luis Obispo 0.8 mile NE of KCL Ranch. Comment
  SD117145  Lemna valdiviana Wayne P. Armstrong 1984-8-28 1221 San Luis Obispo North shore of Oso Flaco Lake. 6 Comment
  RSA0041499  Lepechinia calycina LeRoy Gross, Marcel Beffort, Pam DeVries 2014-5-13 6431 San Luis Obispo Garcia Mountain: Off Forest Service Road 30S05.2, Down Trout Creek to trail that climbs up over a saddle and drops down into another tributary of Trout Creek. Stopped at Buckeye Campsite., Wilderness boundary starts with trail leaving Trout Creek to climb the saddle. Started near 35.25785N 120.39436W. Ended at camp, near 35.24658N 120.34365W. 376 Comment
  UC1124482  Lepechinia calycina T. M. Hendrix 1939-5-9 1025 San Luis Obispo 2.2 miles WNW of Avenales Ranch 731 Comment
  RSA517402  Lepechinia calycina Steven A. Junak 1990-5-1 4273 San Luis Obispo Santa Lucia Mountains: at north edge of Cuesta Ridge Botanical Area, along power line access road which intersects Tassajera Creek Road ca. 2.4 miles west of highway 101, ca. 1.1 road miles south of Tassajera Creek Road. 537 Comment
  SBBG88015  Lepechinia calycina C. F. Smith 1988-5-17 San Luis Obispo Pine Mtn near summit, Machesna Wilderness Comment
  UC1614498  Lepidium Charles M. Belshaw 1935-3-27 453 a San Luis Obispo 3 mi. e. Paso Robles (and southward to Kern Co., back n. from Tehachapi to Bakersfield) Comment
  CAS-BOT-BC88727  Lepidium acutidens David D. Keck; J. Clausen 1935-4-9 3102 San Luis Obispo Cholame Creek, in the large alkaline flat to the easterly of Cholame. 365 Comment
  CAS-BOT-BC88886  Lepidium chalepense Clare B. Hardham 1958-2-13 2822 San Luis Obispo Santa Lucia Mountains. Cambria, near public beach. Comment
  CAS-BOT-BC89029  Lepidium dictyotum Alice Eastwood; John Thomas Howell 1935-3-25 2009 San Luis Obispo Cholame. Comment
  OBI82680  Lepidium dictyotum David J. Keil, with Lynne Dee Althouse and Shannon Henke 2016-2-26 33512 San Luis Obispo Southeast of Cholame in southern Cholame Valley along San Andreas Fault zone 560 Comment
  CAS-BOT-BC89020  Lepidium dictyotum R. F. Hoover 1947-3-30 6848 San Luis Obispo 1 mile south of Simmler, Carrizo Plain. Comment
  POM272904  Lepidium dictyotum Lyman Benson 1937-4-4 8090 San Luis Obispo East of Simmler, Carissa Plains. Temblor Mt. Range, Carissa Plains watershed. 457 Comment
  RSA8319  Lepidium dictyotum var. acutidens I. L. Wiggins 1932-3-20 5786 San Luis Obispo Hillsides in immediate vicinity of Cholame. Comment
  CAS-BOT-BC89208  Lepidium draba R. F. Hoover 1948-5-15 7528 San Luis Obispo Morro Bay Town. Comment
  CAS-BOT-BC123202  Lepidium jaredii L. (Lorenzo Dow) Jared 1893-5-1 s.n. San Luis Obispo Hill above the Cariso [Carrizo] Plains Comment
  CAS-BOT-BC89509  Lepidium jaredii R. F. Hoover 1967-3-22 10261 San Luis Obispo Carrizo Plain south of Soda Lake. Comment
  UC572279  Lepidium jaredii P. L. Johannsen 1937-5-3 1091 San Luis Obispo 3.5 mi e Painted Rock Ranch; McKittrick Quad. 594 Comment
  CAS-BOT-BC89500  Lepidium jaredii Ernest C. Twisselmann 1956-3-26 2586 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Alkali sinks 5 miles south of Soda Lake. 624 Comment
  RSA140235  Lepidium jaredii Clare B. Hardham 1960-3-23 5246 San Luis Obispo South end of Soda Lake, Carrizo Plains Comment
  CAS-BOT-BC328030  Lepidospartum squamatum Chester Dudley 1926-8-21 s.n. San Luis Obispo Near mouth of Arroyo Grande Cr. Comment
  CAS-BOT-BC328023  Lepidospartum squamatum R. F. Hoover 1946-10-20 6519 San Luis Obispo Upper Huasna River just below confluence of Arroyo Seco Comment
  UC455681  Leptodactylon californicum I. J. Condit and Ewing 1908-11-14 San Luis Obispo Oceano Comment
  UCR190650  Leptodactylon californicum George K. Helmkamp, E. A. Helmkamp 2005-3-30 9240 San Luis Obispo Outer South Coast Ranges, Pozo Road, 5.5 mi east of [Santa Margarita Lake Road]; W end of Garcia Mountains 503 Comment
  OBI31408  Leptosiphon ciliatus Joy Nishida, Ginger King and Julie Oxford 1982-5-1 358 San Luis Obispo Amer Cyn campground 536 Comment
  OBI47102  Leptosiphon ciliatus Lynne Dee Oyler 1986-4-5 384 San Luis Obispo American Cyn Blue oak study site in cattle exclosure. Los Padres Natl Forest. S1/2, SW1/4 sec 28 R16E, T30S, MDBM Comment
  OBI53298  Leptosiphon ciliatus Lynne Dee Oyler 1986-3-21 359 San Luis Obispo Aqua Escondido, USFS blue oak study area Comment
  OBI80032  Leptosiphon liniflorus David J. Keil 2000-5-27 San Luis Obispo Santa Margarita Ranch, just north of 5 Mile Bridge, ca. 4 miles s of railroad crossing in Santa Margarita and westward along ranch roads. 366 Comment
  OBI64951  Leptosyne calliopsidea Greg Wilvert 2005-3-26 50 San Luis Obispo SE Half of the Caliente Range. Approx 3.2 km N of Wells Cyn on the N edge of the Caliente Range 819 Comment
  SBBG17051  Leptosyne calliopsidea C. B. Hardham 1960-3-23 5218 San Luis Obispo W side of Temblor Range, Recruit Grade Comment
  CAS-BOT-BC251052  Lessingia glandulifera var. glandulifera J. Clark; M. Petroelje 2000-6-15 s.n. San Luis Obispo Department of Fish & Game Big Sandy Wildlife Area, LCTA Plot 108, flood plain of Salinas River upstream from confluence with the Big Sandy 180 Comment
  CAS-BOT-BC339440  Lessingia glandulifera var. glandulifera R. F. Hoover 1965-9-19 9615 San Luis Obispo La Panza district Comment
  SBBG44886  Lessingia glandulifera var. pectinata R. Hoffmann 1931-5-30 San Luis Obispo Oceano-Casmalia Comment
  UC1928008  Lessingia lemmonii var. peirsonii David Keil 1998-10-9 28170 San Luis Obispo California Highway 166, 0.8 mi w of Kern Co. line in easternmost San Luis Obispo Co. Comment
  OBI72977  Lessingia pectinata var. tenuipes George Butterworth 1995-9-22 104 San Luis Obispo 1 mi W of Painted Rock Ranch near green gate 610 Comment
  RSA216865  Lessingia pectinata var. tenuipes Robert F. Hoover 1966-9-21 10077 San Luis Obispo 1 miles south of Edna on Price Canyon Rd. to Pismo Beach Comment
  OBI81366  Lessingia tenuis Jason Dart, A. Weichert, G. Hind 2010-5-19 411 -H31 San Luis Obispo Hind River Ranch, east side of Salinas River, approximately 1.7 miles southeast of the intersection of Highway 58 and Pozo Road 323 Comment
  UCD87734  Leymus triticoides A. A. Rowe 1923-10-12 s.n. San Luis Obispo San Luis Obispo County: Paso Robles. Comment
  CDA17608  Leymus triticoides Austin Griffiths 1983-9-4 s.n. San Luis Obispo Oceano Dunes; Hwy 1 betw. 24th & 25th Sts. Comment
  UCD67274  Lilium pardalinum subsp. pardalinum G. F. Hrusa; D. Ragan 1995-6-20 12368 San Luis Obispo San Luis Obispo County: on spring at lower point of ridge immediately N of Mt. Lowe peak 3 (L-3). 500 Comment
  RSA409967  Limonium californicum D. W. Taylor 1970-6-22 T 70 -116 San Luis Obispo South end of Morro Bay; 800'W, 2600'N. Comment
  CHSC114292  Limonium duriusculum John Sayers 2011-8-11 San Luis Obispo Morro Bay. Morro Bay State Park. Marina Peninsula Trail. 0 Comment
  OBI82474  Limonium duriusculum David J. Keil 2015-8-10 33345 San Luis Obispo Morro Bay. Vacant lot at end of Hatteras Street 7 Comment
  CAS-BOT-BC226836  Linanthus californicus Herbert L. Mason 1941-3-28 12402 San Luis Obispo North end of Nipomo Mesa 76 Comment
  OBI28797  Linanthus californicus subsp. tomentosus Melissa Luckow, Rhonda Riggins and Richard Pimentel 1982-4-4 741 San Luis Obispo Huasna Rd, 1/2 mi NW of where the Huasna river crosses the road Comment
  RSA240654  Linanthus californicus subsp. tomentosus C. W. Tilforth, John Dourley 1973-6-14 855 San Luis Obispo Sand dune area back from beach, N of Oso Flaco Lake Comment
  UC1124072  Linanthus parviflorus W. A. Peterson 1937-4-2 660 San Luis Obispo 1.5 mi nnw La Panza Ranch; La Panza Quad. 518 Comment
  UC570289  Linanthus parviflorus P. L. Johannsen 1936-3-22 734 San Luis Obispo 1.75 mi sw San Luis Obispo; San Luis Obispo Quad. 106 Comment
  OBI78394  Linaria bipartita Austin P. Griffiths 1978-5-20 s.n. San Luis Obispo Weeds of the Central Coast. Oceano Comment
  OBI69516  Linum usitatissimum David J. Keil 2007-10-31 s.n. San Luis Obispo 940 Del Rio Ave, San Luis Obispo 61 Comment
  CAS-BOT-BC36572  Lithocarpus densiflorus var. echinoides R. F. Hoover 1964-6-5 8914 San Luis Obispo Ridge southwest of Cuesta Pass, on shale Comment
  OBI78878  Lithophragma cymbalaria George Butterworth 2013-3-23 890 San Luis Obispo Chimineas Ecological Reserve, Gypsy Canyon off Canyon 79. 512 Comment
  OBI9763  Lithophragma heterophyllum J. B. Carstens 1966-4-8 10 San Luis Obispo 3 mi N fo Avila Beach Rd on See Cyn Rd on W rd bank Comment
  POM98143  Lithophragma heterophyllum P. A. Munz 1925-3-25 9216 San Luis Obispo Atascadero Creek. 457 Comment
  OBI20341  Lobelia erinus Samuel Miyamoto 1971-6-2 18 San Luis Obispo San Luis Obispo campus, SW side of floral shop, OH unit 152 Comment
  CAS-BOT-BC174526  Loeflingia squarrosa Ernest C. Twisselmann 1967-5-8 13016 San Luis Obispo La Panza Range. Shell Creek fork of Cammatta Canyon 472 Comment
  OBI11427  Loeseliastrum schottii R. F. Hoover 1967-6-4 10600 San Luis Obispo Canyon in Temblor range near North end of Elkhorn Plain Comment
  OBI75483  Logfia filaginoides Jenner Whitt 2003-4-3 26 San Luis Obispo Chaparral burn on hwy 58 1 mi E of jctn 229. Burned Jul 2002 400 Comment
  SBBG8215  Logfia filaginoides C. B. Hardham 1958-5-28 3430 San Luis Obispo near intersection of north rd to Adelaida and Nacimiento Dam Rd Comment
  CAS-BOT-BC342300  Logfia filaginoides Clare B. Hardham 1958-4-28 3430 San Luis Obispo Santa Lucia Mountains. Intersection north road to Adelaida and Nacimiento Dam road Comment
  OBI44809  Logfia gallica David J. Keil 1979-7-1 13119 San Luis Obispo Ridge between Prefumo and See Cyns. About 5 mi from jctn of Los Osos Valley red and Prefumo Cyn Rd Comment
  CAS-BOT-BC283244  Lolium multiflorum Clare B. Hardham 4827 San Luis Obispo The Santa Lucia Mountains. Santa Rosa Creek, Cambria Comment
  UC337529  Lolium temulentum unknown San Luis Obispo Comment
  UC818814  Lolium temulentum E. O. Wooton 1913-4-16 San Luis Obispo San Luis Obispo Comment
  OBI81771  Lomatium californicum Tracey Call, Viola Call 1963-6-2 2194 San Luis Obispo Adelaida road 3 miles west of Paso Robles 305 Comment
  OBI77679  Lomatium caruifolium David J. Keil, V. L. Holland, rhonda Riggins, and Melissa Luckow 1982-4-8 15874 San Luis Obispo N of San Simeon on ridgealong N side of Arroyo de la Cruz Comment
  OBI80190  Lomatium dasycarpum David J. Keil 1978-3-25 12675 San Luis Obispo Irving Ranch. Comment
  SD264734  Lomatium dasycarpum Tracey Call, Viola Call 1963-6-2 2198 San Luis Obispo On rocky hillside 4 milse SE of Creston under greasewood 456 Comment
  RSA128127  Lomatium dasycarpum subsp. dasycarpum Clare B. Hardham 1958-5-7 3227 San Luis Obispo Hills between Bee Rock and the Nacimiento River Comment
  RSA585834  Lomatium dasycarpum subsp. dasycarpum M. D. Proctor, E. A. Young 1993-3-21 ROB 0312 San Luis Obispo 1.5 km west northwest of Chorro Reservation. Comment
  CAS-BOT-BC218438  Lomatium parvifolium John Thomas Howell; Alice Eastwood 1936-5-7 2248 San Luis Obispo Hills NE of San Luid Obispo Comment
  LA82431  Lomatium parvifolium Robert F. Hoover; 1965-4-2 sn San Luis Obispo beside road leading to T.V. tower, 2 mi. N of San Luis Obispo city Comment
  UC1123072  Lomatium utriculatum P. L. Johannsen 1937-4-10 1023 San Luis Obispo 1 3/4 mi. n. Spanish Ranch (Plot 244); McKittrick Quad. Comment
  JEPS35307  Lonicera hispidula var. vacillans R. F. Hoover 1950-6-20 7984 San Luis Obispo 6 mi w Templeton (on road to Cambria); Santa Lucia Range Comment
  OBI59824  Lonicera hispidula var. vacillans Al Lindholm 282 San Luis Obispo Fitzhugh Property 6 mi N of Cayucos, straddling main ridge of Santa Lucia Mtns. Transect up Mustang Cyn and down Quail cyn Comment
  UCSB10714  Lonicera involucrata Haller, Norman 1966-6-3 San Luis Obispo California State Hwy. 1 at Arroyo de la Cruz, 9 miles north of San Simeon Comment
  RSA155483  Lotus heermannii L. S. Rose 1961-4-14 61042 San Luis Obispo Cambria 91 Comment
  UCR18654  Lotus heermannii var. eriophorus Eugene Cardiff 1966-5-13 s.n. San Luis Obispo Central Coast, Cambria Pines, 1 mi from coast 61 Comment
  UCR38980  Lotus heermannii var. eriophorus R. J. Rodin 1970-9-10 8431 San Luis Obispo Pacific Coast, Pismo Beach State Park 6 Comment
  UC15623  Lotus junceus var. biolettii W. H. Brewer 1861-4-27 475 San Luis Obispo San Luis Obispo Comment
  RSA29597  Lotus procumbens var. procumbens Roxana S. Ferris 1939-5-18 9743 San Luis Obispo About 3 miles east of Templeton on the Creston road. Comment
  UCR14501  Lotus salsuginosus George K. Helmkamp 1974-4-28 s.n. San Luis Obispo Central Coast, north of 'Morro Bay' on Cuesta Grade [presumably meaning N of San Luis Obispo] 305 Comment
  UCR247881  Lotus stipularis var. stipularis D. R. Miller 1985-5-20 s.n. San Luis Obispo Santa Lucia Mountains east of San Simeon on slopes of Little Pine Mountain 1000 Comment
  UC1129172  Lotus strigosus C. M. Belshaw 1936-3-19 1662 San Luis Obispo 1 mi e Porter Ranch; Nipomo Quad. 228 Comment
  OBI59065  Lunaria annua Cecilia Boudreau 2001-5-23 23 San Luis Obispo Montana de Oro State Park. Coon Crk trl 30 Comment
  OBI17641  Lupinus albifrons Robert J. Rodin 1954-1-10 5894 San Luis Obispo See Canyon Comment
  SBBG104522  Lupinus albifrons var. albifrons F. L. Johnson Proctor 1993-2-20 ROB 142 San Luis Obispo 1 km NW of Chorro Reservoir; Camp San Luis Obispo Comment
  CAS-BOT-BC201597  Lupinus albifrons var. albifrons Ernest C. Twisselmann 1972-4-1 18598 San Luis Obispo East summit of the Pozo-Lopez Lake road 365 Comment
  CAS-BOT-BC196208  Lupinus albifrons var. douglasii L. R. Dice 1911-4-1 s.n. San Luis Obispo Pismo Comment
  CAS-BOT-BC196233  Lupinus albifrons var. eminens Roxana S. Ferris 1935-3-3 9128 San Luis Obispo Near junction of Carriso Plain road with Maricopa-Cuyama Valley Highway Comment
  CAS-BOT-BC196425  Lupinus arboreus Marcus E. Jones 1882-5-6 3236 San Luis Obispo San Luis Obispo Comment
  UC1129334  Lupinus arboreus C. M. Belshaw 1936-3-17 1606 San Luis Obispo 2 mi sse Nipomo; Nipomo Quad. 76 Comment
  UCD106606  Lupinus arboreus Eric Davidson 1971-6-26 324 San Luis Obispo San Luis Obispo County: Cambria county beach. Comment
  SD39030  Lupinus arboreus Edith A. Purer 1932-8-28 4859 San Luis Obispo Ocean, stabilized dunes Comment
  RSA232106  Lupinus arboreus var. arboreus C. W. Tilforth, John Dourley 1972-8-24 648 San Luis Obispo North end of bridge over Arroya de la Cruz, Highway 1, 2 miles north of Point Piedras Blancas. Comment
  RSA586243  Lupinus arboreus var. arboreus M. D. Proctor, E. A. Young 1993-3-21 ROB 0307 San Luis Obispo 1.5 km west northwest of Chorro Reservation. Comment
  SBBG11154  Lupinus benthamii C. B. Hardham 1958-5-7 3219 San Luis Obispo between Bee Rock and the Nacimiento River Comment
  OBI31447  Lupinus bicolor Joy Nishida, Julie Oxford 1982-4-16 318 San Luis Obispo American Cyn. .6 mi S of American Cyn campground 579 Comment
  SBBG108050  Lupinus bicolor C. B. Hardham 1959-4-22 4276 San Luis Obispo Santa Rita Cyn W of Templeton Comment
  SD249208  Lupinus chamissonis Mikenna M., Maria D., Brenda P. 2014-5-18 2 San Luis Obispo Montana De Oro State Park, Sandspit Beach, a few yards down the trail. Comment
  UCR274615  Lupinus chamissonis Daisie Huang 2006-6-29 60629- 03 San Luis Obispo Central Coast, Montana de Oro State Park; trailhead along Pecho Valley Rd. 33 Comment
  RSA744675  Lupinus chamissonis Keith E. Hoffmaster 1935-7-1 531 San Luis Obispo 6 miles south of Arroyo Grande. Comment
  OBI64183  Lupinus concinnus David J. Keil, with Kathleen A. Keil 2003-3-29 30100 San Luis Obispo Shell Creek area, ca. 0.5 miles north of jubction with Highway 58 Comment
  RSA8335  Lupinus densiflorus var. palustris Ira L. Higgins 1932-3-20 5792 San Luis Obispo Hills east of Cholome on grade above the valley. Comment
  CAS-BOT-BC207225  Lupinus ludovicianus Alice Eastwood; John Thomas Howell 1937-4-30 4165 San Luis Obispo In the Upper Arroyo Grande. Comment
  SBBG66974  Lupinus ludovicianus Miss Sinsheimer 1930-3-12 San Luis Obispo upper Arroyo Grande Valley Comment
  RSA659065  Lupinus microcarpus R. Riggins 1979-5-6 1162 San Luis Obispo USFS rd 2.0 mi SE Avenales Guard Station, 0.3 mi NW Escondido Rd. Comment
  UCD108627  Lupinus microcarpus P. Schiffman 1993-4-8 s.n. San Luis Obispo San Luis Obispo County: Carrizo Plain Natural Area, 'Swain Pasture' located along Soda Lake Rd. approx. 4 mi S of intersection with dirt road leading to KCL Ranch campground. Comment
  JEPS107996  Lupinus microcarpus var. densiflorus Rhonda Riggins 1978-5-7 1148 San Luis Obispo Pozo Road, 13.5 mi E jct. with Hwy. 58 and 0.7 mi W Salinas River bridge at Pozo Comment
  SD98838  Lupinus microcarpus var. densiflorus Darley F. Howe 1977-5-18 San Luis Obispo NE side of Cypress Mountain 274 Comment
  SEINET239807  Lupinus microcarpus var. densiflorus Rhonda Riggins 1979-5-6 1163 San Luis Obispo USFS road 2.0 miles SE of Avenales Gaurd Station 0.3 Miles NW Escondido Rd. Comment
  UC454625  Lupinus microcarpus var. densiflorus I. J. Condit 1908-4-29 San Luis Obispo roadside s San L. Obispo <San Luis Obispo>; s of San L. Obispo <San Luis Obispo> Comment
  JEPS108081  Lupinus microcarpus var. horizontalis Rhonda Riggins 1979-5-5 1157 San Luis Obispo Triangle formed by Elkhorn Trail Road (Co. 285) and ranch road to water tank, 2.3 mi N Coachoro Camp Road Comment
  OBI56793  Lupinus microcarpus var. horizontalis Rhonda Riggins 1979-4-22 1153 San Luis Obispo Temblor-Soda Lake Rd (Co. 285) 6.9 mi S hwy 58, 0.3 mi N Elkhorn Trl rd Comment
  OBI56799  Lupinus microcarpus var. horizontalis Rhonda Riggins 1979-5-5 1155 San Luis Obispo Elkhorn Trl Rd (Co 285) 4.8 mi SE Hurricane Rd. W slopes Temblor Range Comment
  OBI56808  Lupinus microcarpus var. horizontalis Rhonda Riggins 1978-4-27 1137 San Luis Obispo Cooper (Old Sheep Camp) Cyn, Co rd 285, 0.89 mi SE hwy 58. W slopes of Temblor Range Comment
  OBI12831  Lupinus microcarpus var. microcarpus Robert F. Hoover 1949-5-1 7636 San Luis Obispo Summit of Cottonwood Pass Comment
  SBBG86087  Lupinus microcarpus var. microcarpus C. F. Smith 1957-4-21 5149 San Luis Obispo Hwy 399, just E of turnoff to Maricopa on Hwy 166 Comment
  CDA27523  Lupinus microcarpus var. microcarpus R. Riggins 1979-5-6 1162 San Luis Obispo USFS road 2.0 miles southeast of Avenales Guard Station, 0.3 mile northwest of Escondido Road. 0 Comment
  CDA27529  Lupinus microcarpus var. microcarpus R. Riggins 1979-5-5 1158 San Luis Obispo Triangle formed by Elkhorn Trail Road (County 285) and ranch road to water tank, 2.3 miles north of Coachoro Camp Road. 0 Comment
  JEPS108056  Lupinus microcarpus var. microcarpus Rhonda Riggins 1979-5-6 1174 San Luis Obispo Cable Corral Road and Hwy 166 at Rock Face Ranch Comment
  JEPS108091  Lupinus microcarpus var. microcarpus Rhonda Riggins 1978-5-9 1150 San Luis Obispo Hwy. 166, 2.7 mi E Cuyama River, 3.2 mi E Sierre Madre Road Comment
  OBI48427  Lupinus microcarpus var. microcarpus Rhonda Riggins 1978-4-28 1143 San Luis Obispo Roadside and fenced are adj oak woodland Atascadero-Creston Rd, 1 mi E Homestead Rd, 1.9 mi E Templeton Rd Comment
  OBI58064  Lupinus microcarpus var. microcarpus David J. Keil 1998-5-20 27347 San Luis Obispo Los Padres National Forest. Vicinity of trailhead, about 11 mi. NE of junction with Tepusquet Canyon Road along Hwy 166. Comment
  SEINET239864  Lupinus microcarpus var. microcarpus Rhonda Riggins 1979-5-12 1181 San Luis Obispo Steep road cut on El Pomar Road 0.1 mi S of junction with Vaquero Drive paralleling Salinas River N Templeton. Comment
  RSA0070021  Lupinus nanus Daisie Huang 2006-4-13 06041327 San Luis Obispo Hi Mtn Rd., w of Upper Lopez Canyon. 168 Comment
  UC1129640  Lupinus nanus H. C. Lee 1937-5-26 1010 San Luis Obispo 1 1/2 mi n Creston; Paso Robles Quad. 350 Comment
  UC201097  Lupinus nanus Katharine Brandegee San Luis Obispo San Luis Obispo Comment
  UCR140466  Lupinus nanus George K. Helmkamp 2004-3-15 8378 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  UCR3660  Lupinus nanus Frank C. Vasek 1962-5-17 620517- 06 San Luis Obispo Los Padres National Forest: 0.4 mi inside the forest boundary 315 Comment
  SEINET10490079  Lupinus nanus subsp. latifolius David B. Dunn, Howard Brown 1946-5-17 Dunn 2646 San Luis Obispo Collected 2.9 mi n of san simeon on open flat grassland near the ocean, along Hwy 1. Comment
  SEINET10874189  Lupinus nanus subsp. nanus David B. Dunn, Howard Brown 1946-5-12 Dunn 2326 San Luis Obispo 1 mi s of atascadero. Comment
  SEINET10940139  Lupinus nanus subsp. nanus David B. Dunn, Howard Brown 1946-5-12 Dunn 2323 San Luis Obispo 1-4 mi s of atascadero. Comment
  OBI12870  Lupinus nipomensis Robert F. Hoover 1965-1 San Luis Obispo Comment
  UC648321  Lupinus nipomensis Alice Eastwood 1940-4-14 18929 San Luis Obispo Nipoma Mesa Comment
  RSA230394  Lupinus subvexus var. subvexus Colin M. Wainwright 1972-3-27 646 San Luis Obispo Growing along road side of Hwy 58 just W of Simmler near Syncline Hill. 396 Comment
  SBBG17710  Lupinus succulentus D. Emery 1950-3-21 San Luis Obispo adjacent to train tracks on Cal Poly Campus Comment
  UCSB18588  Lupinus succulentus del Moral, Roger 1965-3-28 San Luis Obispo Road to Templeton, 2.6 miles E of Adelaida 487 Comment
  UCR140393  Lupinus truncatus George K. Helmkamp 2004-2-29 8313 San Luis Obispo Central Coast, Nipomo Mesa, Nipomo, Orchard Ave. 0.1 mi NW of Division St. 116 Comment
  OBI31690  Lysimachia arvensis Smeltzer, Turnquist 1982-4-12 39 San Luis Obispo On the SE side of Laguna Lake Park from the roadway over to base of hill Comment
  OBI3487  Lysimachia arvensis Lynch 1971-5-15 5 San Luis Obispo Cal Poly campus. Drumm lake Comment
  OBI75468  Lysimachia arvensis Jenner Whitt 2003-4-3 19 San Luis Obispo Chaparral burn on hwy 58 1 mi E of jctn 229. Burned Jul 2002 400 Comment
  OBI81208  Lysimachia arvensis Meg Faibisch, Johnny Boetsch, Lillian Krosse, Sabrina Orro, Eric Womack 2015-4-12 1 San Luis Obispo Rinconda Trail (50ft. down trail) left side. Comment
  UCR28953  Lythrum californicum David J. Keil 1980-9-21 14228 San Luis Obispo Creston - O'Donnovan Road, 3.4 mi. NNW of junction with Route (Hwy) 58. 366 Comment
  OBI36951  Lythrum hyssopifolia Eric Wise 1981-6-15 566 San Luis Obispo N shore of Laguna Lake, SLO Comment
  OBI51153  Lythrum hyssopifolia Debora Guillot, Jan Barber, Jim Kilber, Sue Weis, Andrew Stackhouse 1993-6-24 1 .59 San Luis Obispo San Simeon State Park. NE corner of San Simeon State park; top of hill Comment
  OBI82654  Lythrum hyssopifolia David J. Keil 2015-6-20 33259 San Luis Obispo Prefumo Canyon just east of 1st bridge 65 Comment
  OBI36946  Lythrum hyssopifolia Eric Wise 1981-7-27 989 San Luis Obispo Greengate Ponds. Orcutt Rd Comment
  OBI36952  Lythrum hyssopifolia Eric Wise 1981-6-26 658 San Luis Obispo Villa Crk Reservoir, Hwy 1 N of Cayucos Comment
  CAS-BOT-BC343891  Madia elegans R. F. Hoover 1952-5-25 8223 San Luis Obispo Caliente Mt. Comment
  OBI51929  Madia elegans David J. Keil, with V. L. Holland 1991-8-22 22587 San Luis Obispo San Simeon State Park and vicinity along San Simeon Creek from beach to about ___ miles inland and on adjoining slope to C.T. Ranch. Comment
  RSA0042802  Madia gracilis LeRoy Gross, Marcel Beffort, Pam DeVries 2014-5-13 6452 San Luis Obispo Garcia Mountain: Off Forest Service Road 30S05.2, Down Trout Creek to trail that climbs up over a saddle and drops down into another tributary of Trout Creek. Stopped at Buckeye Campsite., Wilderness boundary starts with trail leaving Trout Creek to climb the saddle. Started near 35.25785N 120.39436W. Ended at camp, near 35.24658N 120.34365W. 376 Comment
  SD232616  Madia gracilis G. Helmkamp 1996-5-25 1061 San Luis Obispo Dried vernal pools between CA-1 and the ocean 1.5 miles north of Piedras Blancas lighthouse near the northern border of the county. 14 Comment
  UC1927798  Madia radiata David Keil, Kathleen Keil 2001-4-20 29357 San Luis Obispo Bitterwater Canyon. Along Bitterwater Road ca. 10 miles north of junction with Highway 58. Vicinity of 35.50206 N x 120.07846 W Comment
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Aug 21 2017
  CAS-BOT-BC514535  Maianthemum stellatum R. F. Hoover 1964-5-13 8846 San Luis Obispo Santa Rita Creek west of Templeton Comment
  CAS-BOT-BC204148  Malacothamnus jonesii R. F. Hoover 1946-10-27 6534 San Luis Obispo Canyon opening south into Cuyama River opposite Pioneer Grove (Santa Barbara Co.) Comment
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Feb 7 2018
  JEPS99293  Malacothamnus jonesii Clifton F. Smith 1993-6-15 12489 San Luis Obispo along Branch Creek Road, 6.2 mi from Hwy 166 Comment
  UC1122033  Malacothamnus jonesii C. A. Graham 1939-5-17 562 San Luis Obispo 1 mi ne Taylor Well; Branch Mt. Quadrangle Comment
  OBI59665  Malacothamnus jonesii David J. Keil, with V. L. Holland 1999-5-4 28328 San Luis Obispo Camp Roberts. Sulfur Springs Road, 0.5?1.1 miles w of junction with Deer Trail Road. Comment
  CAS-BOT-BC216166  Malacothamnus palmeri R. F. Hoover 1955-6-14 8356 San Luis Obispo Forks of San Simeon Creek, among disintegrating serpentine rock Comment
  POM147876  Malacothamnus palmeri var. palmeri J. B. Feudge 1927-6-30 1705 San Luis Obispo Santa Lucia Mountains, between Atascadero and Morro 305 Comment
  CAS-BOT-BC345343  Malacothrix californica David D. Keck 1933-5-5 2229 San Luis Obispo 5.5 miles south of Oceano on road to Guadalupe, southwestern San Luis Obispo County Comment
  SBBG27933  Malacothrix californica Mrs. F. Hatch 1932-4-4 San Luis Obispo Palo Prieto, Bitterwater Valley Comment
  UC1069933  Malacothrix coulteri P. L. Johannsen 1937-4-22 1071 San Luis Obispo 5 mi ne Padrones Springs; McKittrick Quad. 716 Comment
  OBI5045  Malacothrix incana Robert J. Rodin 1956-5-29 6083 San Luis Obispo Comment
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Mar 21 2015
  CDA17588  Malacothrix incana Austin Griffiths, Joe R. Walker 1981-9-28 s.n. San Luis Obispo Transverse ridge behind predune at Oceano campground Dunes, Pismo State Beach, along N side of beach trail. 0 Comment
  SBBG93817  Malacothrix phaeocarpa S. A. Junak 1990-4-26 4207 San Luis Obispo near N boundary of Cuesta Ridge Botanical Area, ca. 0.4 mi S of Tassajera Crk Rd at S end of dirt rd on Ames property, which is ca. 1.8 mi W of intersection with Hwy 101 518 Comment
  UC2027240  Malacothrix saxatilis David J. Keil with V. L. Holland 2013-6-12 31805 San Luis Obispo Templeton. 830 Templeton Road. Comment
  SEINET11601688 Image available Malacothrix saxatilis var. altissima A. Carling s.n. San Luis Obispo Templeton Comment
  CAS-BOT-BC347846  Malacothrix saxatilis var. commutata R. F. Hoover 1947-8-17 7380 San Luis Obispo 6 mi. w. of Templeton Comment
  CAS-BOT-BC206682  Malva assurgentiflora R. F. Hoover 1964-6-6 8966 San Luis Obispo Los Osos Comment
  OBI12374  Malva assurgentiflora Tracey & Viola Call, Viola Call 1962-7-22 2146 San Luis Obispo Cayucos. Near coast in open field near stream (Boyle Lumber co) 6 Comment
  CDA5026  Malva parviflora L. Julian 2000-10-12 3 San Luis Obispo Working area at main entrance to Escuela Ranch. Road opposite Cuesta College from Highway 1. 0 Comment
  OBI44976  Malva pseudolavatera David J. Keil 1984-5-28 18289 San Luis Obispo Baywood Park at corner of 4th St and Pismo Comment
  CAS-BOT-BC8175  Malvastrum fragrans Mary E. Wall 1935-5-28 s.n. San Luis Obispo Manta Margarita, El Dorado School Comment
  RSA0023304  Malvella leprosa Greg Wilvert 2005-6-4 469 San Luis Obispo Southeast half of the Caliente Range. 3 Km E of Wells Spring 915 Comment
  UC1122827  Marah fabacea T. M. Hendrix 1937-6-6 258 San Luis Obispo 1 1/2 mi nw New District School; Pozo Quadrangle Comment
  OBI72250  Matricaria discoidea Anthony Baniaga, Theo Fitanides 2010-3-27 74 San Luis Obispo Tierra Redonda Mtn BLM ACEC. Dirt carpark E of Oak Shores Rd 345 Comment
  OBI11730  Meconella denticulata Robert F. Hoover 1950-4-30 7860 San Luis Obispo E slope of La Panza Range Comment
  CLARK-A1045-1368  Medicago polymorpha George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road; Morro Bay S 7.5'Q Comment
  OBI30118  Medicago polymorpha Melissa Luckow 1982-6-24 894 San Luis Obispo Cambria, jctn of hwy 1 and rd to Black Mt SE corner of rd. EIR vouchers Comment
  RSA212564  Medicago polymorpha E. C. Twisselmann 1969-4-24 15183 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles. 229 Comment
  POM262011  Melica californica I. L. Wiggins 1929-4-13 3429 San Luis Obispo Along Salinas River 5 miles north of Paso Robles. Comment
  UC53672  Melica californica J. H. Barber 1899-5-7 San Luis Obispo Santa Lucia Mts. Comment
  UCSB16657  Melica californica Hardham, Clare 1957-5-4 San Luis Obispo Santa Lucia Mountains; Oak Flat 4 miles NW of Paso Robles Comment
  CDA11489  Melica imperfecta G. F. Hrusa, K. Phillips, A. Flinck 1995-5-29 12267 San Luis Obispo Black Butte Research Natural Area; Partial shade on small cliff in understory of mostly burned Quercus agrifolia woodland, immediately E of Entrance 2 off main ridge road. Perennial. Comment
  UCD87827  Melica imperfecta Beecher Crampton 1964-5-18 6970 San Luis Obispo San Luis Obispo County: 5.2 miles south of Creston. Comment
  CAS-BOT-BC281671  Melica imperfecta Eben McMillan 1953-5-8 148 San Luis Obispo Taken 2 miles NE of Cholame along the foothills on E side of valley Comment
  CAS-BOT-BC281688  Melica imperfecta R. F. Hoover 1964-6-12 9075 San Luis Obispo Near Rocky Butte Fire Lookout Comment
  OBI21996  Melica imperfecta Robert F. Hoover 1964-5-11 8766 San Luis Obispo 2 mi SW of Pozo on rd to Arroyo Grande Comment
  CAS-BOT-BC264268  Melica torreyana Clare B. Hardham 1961-5-12 6992 San Luis Obispo Cerro Alto, Santa Lucia Mountains Comment
  OBI27048  Melica torreyana David J. Keil, Malcolm McLeod, Melissa Luckow, Julie Vanderwier, et al 1980-5-18 14033 San Luis Obispo CNPS photography committee field trip to Arroyo de la Cruz. Ca. 1 mi E of Calif Rte 1 on Hearst Ranch Comment
  OBI31594  Melilotus indicus Joy Nishida 1982-5-8 374 San Luis Obispo American Cyn, .9 mi S from Amer Cyn campground 518 Comment
  UC2026937  Mentha X rotundifolia David J. Keil 2010-11-10 30948 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road Comment
  SBBG104529  Mentha canadensis F. L. Johnson, N. A. McCarty 1993-10-15 ROB 741 San Luis Obispo Twin Bridges on Boy Scout Rd; Camp Roberts Comment
  OBI65739  Mentha spicata D. R. Miller 1994-8-12 894 -522 San Luis Obispo Pine Mt Region. Near old wooden water tank at Will Hearsts ranch ('Coles'); Marmolejo crk drainage 700 Comment
  OBI75321  Mentha suaveolens David J. Keil 2010-11-10 30948 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road. Comment
  OBI12507  Mentzelia pectinata Robert F. Hoover 1967-3-27 10294 San Luis Obispo Chalk Mt, Cuyama Valley Comment
  UCR28909  Mentzelia pectinata Melissa Luckow, R. Riggins, R. A. Pimentel 1982-5-2 855 San Luis Obispo Crocker Canyon. County Road 285, 13.8 mi SE of the junction with Hwy 58 Comment
  OBI12474  Mentzelia veatchiana Robert F. Hoover 1952-5-25 8232 San Luis Obispo Caliente mt. Along summit ridge Comment
  UC1121666  Mentzelia veatchiana D. Axelrod 1935-3-31 259 San Luis Obispo 2 mi e Cuyama Ranch; Santa Ynez Quadrangle Comment
  OBI72257  Micranthes bryophora Anthony Baniaga, Daniel Chavez 2010-3-14 34 San Luis Obispo Tierra Redonda Mtn BLM ACEC 346 Comment
  PASA2292  Micropus californicus Stason 1930-4-14 San Luis Obispo Near Poso Comment
  UC1953336  Micropus californicus var. californicus Anthony Baniaga with Theo Fitanides 2010-4-18 129 San Luis Obispo Tierra Redonda Mountain. Comment
  CAS-BOT-BC348583  Micropus californicus var. californicus Ernest C. Twisselmann 1954-4-29 1121 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Pass 640 Comment
  CAS-BOT-BC348813  Microseris campestris Ernest C. Twisselmann 1955-4-22 1892 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley, 1 1/2 miles east of Palo Prieta summit 640 Comment
  OBI73455  Microseris douglasii David J. Keil 2010-6-1 30819 San Luis Obispo La Panza Mountains. Red Hill Road, just south of junction with Highway 58. 610 Comment
  UC1224752  Microseris douglasii subsp. douglasii R. F. Hoover 1948-4-17 7461 San Luis Obispo s of Shandon; San Juan River Comment
  UC1584629  Microseris douglasii subsp. douglasii Dean Wm. Taylor with Roy E. Buck 1989-3-21 10179 San Luis Obispo 0.2 mi e junction of Soda Lake Road with Simler Road (s end of Soda Lake, on a low ridge forming the e rim of the s arm of the lake (Painted Rock 7 1/2 quad, 1959 edition)); Carrizo Plain, Soda Lake, Painted Rock Quad. 585 Comment
  POM97363  Microseris douglasii subsp. douglasii P. A. Munz 1926-4-8 10155 San Luis Obispo 15 miles east of Paso Robles Comment
  CAS-BOT-BC349134  Microseris douglasii subsp. tenella Alice Eastwood; John Thomas Howell 1936-5-6 2225 San Luis Obispo East of Morro on road to San Luis Obispo Comment
  OBI2087  Microseris douglasii subsp. tenella Mrs. R. W. Summers 1886-3-26 San Luis Obispo San Luis Obispo Mtn, San Luis Obispo Comment
  SBBG117831  Microseris elegans E. Painter, M. Wetherwax 2002-4-21 CR 283 San Luis Obispo near jct of Tower Rd and Rd C-25, Training Area O; Camp Roberts 229 Comment
  LA105464  Mimulus aurantiacus Barry A. Prigge; 1989-3-19 8603 San Luis Obispo Santa Lucia Mountains, San Bernardo Creek, 2.6--2.8 mi upstream from State Hwy 1, ca 4.5 mi E of Morro Bay 100 Comment
  SEINET12269787  Mimulus aurantiacus Unknown 1953-1 s.n. San Luis Obispo 4 mi W of Atascadero Comment
  OBI20268  Mimulus aurantiacus var. aurantiacus Ann McBeth 1979-4-25 3 San Luis Obispo Indian Knob, 4 mi N of Pismo Beach Comment
  UC532091  Mimulus aurantiacus var. pubescens David D. Keck 1934-4-26 2827 San Luis Obispo 6 mi w La Panza (e slope of range); Pozo Range 670 Comment
  UC454797  Mimulus cardinalis California Polytechnic School Sept, 1905 538 San Luis Obispo Poly Canyon San Luis Obispo Comment
  OBI80400  Mimulus guttatus Shane Meares 2015-2-1 2 San Luis Obispo Laguna Lake Park. 70 Comment
  OBI8498  Mimulus guttatus R. D. McCall 1978-10-21 6 San Luis Obispo In Reservoir Cyn Comment
  OBI37668  Mimulus guttatus Eric Wise 1981-9-17 1121 San Luis Obispo Salinas river at hwy 58 Comment
  JEPS59033  Mimulus rattanii Clare B. Hardham 1961-4-17 6839 San Luis Obispo Pine Mt. Santa Lucia Mountains 1005 Comment
  CAS-BOT-BC388807  Minuartia douglasii Alice Eastwood 1926-5-4 13814 San Luis Obispo Paso Robles Comment
  CAS-BOT-BC388812  Minuartia douglasii Clare B. Hardham 1958-5-10 3258 San Luis Obispo Santa Lucia Mountains. Cypress Mountain Comment
  OBI19560  Minuartia douglasii Robert F. Hoover 1947-3-29 6800 San Luis Obispo 5 mi E of Creston on La Panza Rd Comment
  OBI28778  Minuartia douglasii David J. Keil, Melissa Luckow, Richard A. Pimentel, and Rhonda Riggins-Pimentel 1981-4-24 14511 San Luis Obispo Jctn of Shell Crk Rd and Calif hwy 58 S of Shandon Comment
  OBI31440  Minuartia douglasii Joy Nishida, Julie Oxford 1982-4-16 310 San Luis Obispo American Cyn. 1.2 mi S of American Cyn campground 506 Comment
  OBI60635  Minuartia douglasii David J. Keil 1986-4-13 19167 San Luis Obispo Along Pozo Rd, 0.5 mi NW of Rinconada Mine entrance on SW side of hwy Comment
  SBBG113873  Minuartia douglasii C. B. Hardham 1956-4-26 532 San Luis Obispo headdwaters of Cienega Crk Comment
  OBI12188  Mirabilis laevis var. crassifolia Robert F. Hoover 1967-4-15 10458 San Luis Obispo Cyn just W of "Cottonwood Cyn bridge" lower Cuyama Valley Comment
  UC570342  Mirabilis laevis var. crassifolia H. C. Lee 1936-3-10 466 San Luis Obispo two miles NW of Camp Hill 228 Comment
  UC1124529  Monardella breweri T. M. Hendrix 1937-6-6 274 San Luis Obispo 1 1/2 mi nw New District School; Pozo Quadrangle Comment
  CAS-BOT-BC219863  Monardella breweri subsp. breweri R. F. Hoover 1952-5-25 8229 San Luis Obispo Caliente Mt. Comment
  CDA17726  Monardella crispa Austin Griffiths, Elizabeth Scott-Graham 1987-3-29 18078 San Luis Obispo Guadalupe Dunes; Just NW of Coreopsis Lake 91 Comment
  RSA295251  Monardella crispa Austin P. Griffiths 1967-8-13 5381 San Luis Obispo Nipomo Dunes Comment
  SD171840  Monardella crispa Clifton F. Smith 1994-9-9 12597 San Luis Obispo In northeastern section of Guadalupe Oil Field, sandy roads, flats, and stabilized dunes Comment
  SEINET13948716 Image available Monardella pallida C. Epling, H. Lewis 1943-1 San Luis Obispo Dunes west of Nipomo Comment
  SBBG112587  Monardella palmeri C. B. Hardham 1964-7-5 12284 San Luis Obispo Burnett Peak Comment
  SBBG85386  Monardella palmeri C. F. Smith 1968-6-28 10093 San Luis Obispo W of TV towers on rd to Cerro Alto, along ridge W of Cuesta Summit on US Hwy 101 Comment
  SEINET10829400  Monardella palmeri A. Graff 1993-7-9 Graff 169 San Luis Obispo Los Padres National Forest, Cuesta Ridge. .45 miles downhill (towards Hwy. 101) from the Cuesta Ridge Botanical Area sign. Stop at turnout below TV towers and look on the right side of the road just below that point. T29S,R12E,S35. Locally patchy and infrequent on serpentine, with Salvia mellifera, Arctostaphylos sp., grasses. End of bloom. Comment
  SEINET4173693 Image available Monardella palmeri R. F. Hoover 1946-6-15 6146 San Luis Obispo Rincanada Mine, between Santa Margarita and Pozo Comment
  OBI58393  Monardella sinuata subsp. sinuata Austin P. Griffiths, Gaylord Jones, Kathleen Jones, Kathryn Bay 1986-5-25 s.n. San Luis Obispo Morro Bay Sandspit; just SE of Shark Inlet, Morro Bay Comment
  SEINET4173653 Image available Monardella undulata Verne Grant, Alva Grant 1948-5-28 8545 San Luis Obispo 5 miles south of Oceano on Guadalupe road Comment
  JEPS63314  Monardella undulata subsp. crispa William S. Cooper 1919-7-31 236 San Luis Obispo Oceano Comment
  OBI60478  Monardella undulata subsp. crispa LynneDee Oyler, David J. Keil 1990-5-10 1128 San Luis Obispo Nipomo Dunes. Horseback trip from Oso Flaco Lake S and W across dunes, E to Quercus agrifolia, and W again to coast 305 Comment
  UC774866  Monardella undulata subsp. crispa C. B. Wolf and P. C. Everett 1941-10-1 11160 San Luis Obispo Approximate 2 1/2 mi (airline) E Oso Flaco Lake or between Calif. Highway #1 and S.P.R.R. 30 Comment
  JEPS59827  Monolepis nuttalliana W. L. Jepson 1927-4-27 12027 San Luis Obispo Cholame 335 Comment
  OBI26920  Monolepis nuttalliana Dirk Walters 1981-4-18 s.n. San Luis Obispo Ca. 2 mi E of Soda Lake Rd along Cross rd, just S of Soda lake Comment
  SBBG95831  Monolepis nuttalliana D. Keil, D. Walters 1986-3-22 19092 San Luis Obispo S end of Soda Lake at jct of Simmler-Soda Lake Rd with Soda Lake Rd 585 Comment
  OBI16601  Monolopia congdonii Robert F. Hoover 1950-1 San Luis Obispo Comment
  OBI16602  Monolopia congdonii Robert F. Hoover 1958-1 San Luis Obispo Comment
  CAS-BOT-BC349536  Monolopia lanceolata Ernest C. Twisselmann 1957-4-26 3412 San Luis Obispo Vineyard Canyon at the Monterey County Line 304 Comment
  OBI69889  Monolopia lanceolata Charles E. Blair 2002-2-19 49 San Luis Obispo Chimineas Ranch, N side of Carrizo Cyn rd, 1 mi N of SR 166, 472 Comment
  OBI56835  Monolopia lanceolata David J. Keil 1998-4-20 26829 San Luis Obispo Nacimiento Lake Drive, 1.3 miles W of junction with San marcos Rd., 7 road miles W of junction with US 101, W of Paso Robles. Comment
  RSA128383  Monolopia lanceolata Clare B. Hardham 1957-4-26 1745 San Luis Obispo 3.5 miles west of 101, South Road to Adelaida Comment
  RSA605874  Monolopia lanceolata R. S. Woglum 1940-4-20 2612 b San Luis Obispo Inner South Coast Ranges / San Joaquin Valley transition: Cholame; south end of Cholame Hills. Comment
  UCD134598  Monolopia lanceolata Jaime Kneitel 1995-3-25 6 San Luis Obispo San Luis Obispo County: Carrizo Plain Natural Area, 100 meters off Selby Road. 610 Comment
  CHSC106843  Mucronea californica Barbara Ertter 1989-5-23 8482 San Luis Obispo Unical Oil Refinery ca 4 air miles S of Oceano, at bend in Hwy 1, just across railroad tracks from parking area. Comment
  OBI35589  Mucronea californica S. M. Inman 1983-5-19 68 San Luis Obispo Pecho Study Site, Los Osos. 1/2 mi S on Pecho Valley rd past jctn of Pecho rd. Rt on dirt road after 'deer' sign, to S of dirt rd Comment
  CAS-BOT-BC415988  Mucronea perfoliata R. F. Hoover 1947-5-24 7191 San Luis Obispo Pilitas Creek district Comment
  OBI10910  Mucronea perfoliata Robert F. Hoover 1949-5-17 7704 San Luis Obispo Upper Arroyo Grande 6 mi above County park Comment
  RSA201581  Mucronea perfoliata Robert F. Hoover 1949-6-4 7752 San Luis Obispo At San Juan River on Pozo-Simmler road, on dry sandstone slope. Comment
  UCR32220  Muhlenbergia rigens Julie M. Vanderwier 1980-11-10 s.n. San Luis Obispo Indian Knob Tar Sands Comment
  UC1927767  Muilla maritima David Keil with Kathleen Keil 2002-3-29 29776 San Luis Obispo Lopez Reservoir. Vicinity of 35.20391 N x 120.47009 W Comment
  OBI66519  Myosurus minimus David J. Keil, with Karen Danielson, Clifton Smith and Jeanette Sainz 1997-5-15 26293 San Luis Obispo Los padres national forest. la panza mountains. fringe of machesna mountain wilderness. ridge along road past castle crags and slopes below to south. area drained by small stream in canyon. 732 Comment
  CAS-BOT-BC83370  Myosurus minimus Ernest C. Twisselmann 1958-5-12 4467 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Alkali sink 1.5 mile north of Soda Lake. 640 Comment
  OBI81117  Myosurus minimus Meg Perry 2015-3-25 8 -Oct San Luis Obispo Carriso Plain north of California Valley 620 Comment
  OBI73355  Myosurus sessilis David J. Keil, with Lynne Dee (Oyler) Althouse and Meg Perry 2010-4-8 30689 San Luis Obispo Carrizo Plain Southwest of Carissa Plains Elementary School, south of Highway 58 Comment
  CAS-BOT-BC456208  Najas marina Ernest C. Twisselmann 1959-11-2 5901 San Luis Obispo Oso Flaco Lake. 6 Comment
  CAS-BOT-BC259859  Nassella cernua R. F. Hoover 1947-5-10 7142 San Luis Obispo Lower Cuyama Valley, between Carrizo and Taylor Canyons Comment
  SBBG85715  Nassella lepida D. H. Wilken 2006-5-25 16289 San Luis Obispo slopes below Rinconada Mine site, ca. 2 km W of confluence of Salsipuedes and Rinconada crks 520 Comment
  RSA787619  Nassella lepida D. M. McF 1954-6-18 s.n. San Luis Obispo Dick Westerman Road. Arroyo Grande. 15 mi [from] ocean. 152 Comment
  SBBG109889  Nassella lepida C. B. Hardham 1961-4-14 7388 San Luis Obispo 11 mi E of Cambria, Hwy 41 335 Comment
  SEINET7042620  Nassella pulchra A. G. Vestal 1963-4-21 s.n. San Luis Obispo Ca 7 miles south of San Luis Obispo. Arroyo Grande NE quadrangle UTM Zone 10, 717946mE, 3897620mN. Comment
  UCSB51269  Nassella pulchra Ferren, Wayne 1984-4-18 San Luis Obispo Upper Campground Area, San Simeon State Beach 60 Comment
  CAS-BOT-BC65035  Nasturtium gambelii Dennis E. Breedlove 1963-8-6 5705 San Luis Obispo Along shore of Oso Flaco Lake. Comment
  SBBG117993  Nasturtium occidentale J. Olson 2000-6-28 San Luis Obispo pond along Nacimiento River, off Perimeter Rd, ca. 0.4 mi upstream from jct with Bee Rock Rd; Camp Roberts Comment
  OBI7629  Nasturtium officinale Christian Smith 1974-5-30 s.n. San Luis Obispo Reservoir Cyn Comment
  CAS-BOT-BC60487  Nasturtium officinale Clare B. Hardham 1956-5-11 658 San Luis Obispo Huero Huero River at Geneses School. Comment
  RSA18218  Nasturtium officinale C. B. Wolf 1929-4-16 3632 San Luis Obispo 2 miles north of Cayucos Comment
  OBI3751  Navarretia atractyloides Elizabeth Rudd 1971-6-10 306 San Luis Obispo 3 mi NE of Santa Margarita 274 Comment
  OBI67030  Navarretia atractyloides David J. Keil 2000-7-17 29045 San Luis Obispo arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondonada Road Comment
  OBI80910  Navarretia atractyloides David J. Keil 1985-6-19 18882 San Luis Obispo Los Osos Oaks Preserve Comment
  OBI80031  Navarretia mitracarpa David J. Keil 2000-5-27 28755 San Luis Obispo Santa Margarita Ranch, just north of 5 Mile Bridge, ca. 4 miles s of railroad crossing in Santa Margarita and westward along ranch roads. 366 Comment
  CAS-BOT-BC230452  Navarretia mitracarpa Ernest C. Twisselmann 1966-5-29 12328 San Luis Obispo Temblor Range and the Western San Joaquin Valley. At the summit of Palo Prieta Canyon 655 Comment
  CAS-BOT-BC230463  Navarretia mitracarpa R. F. Hoover 1946-6-15 6147 San Luis Obispo Rinconada Mine, between Santa Margarita and Pozo Comment
  SBBG125687  Navarretia nigelliformis M. Widdowson 2001-6-24 San Luis Obispo Training Area 1, near but not in LCTA plot 137, USGS San Miguel Quad; Camp Roberts Comment
  CAS-BOT-BC123190  Nemacladus secundiflorus Rimo Carlo Felice Bacigalupi; Guy Thomas Robbins 1954-5-19 4504 San Luis Obispo Flood plain of East Fork Huerhuero Creek at crossing of road 1.1 miles S of Geneseo School 304 Comment
  SEINET10460997  Nemacladus secundiflorus Rimo Bacigalupi 1955-5-16 Bacigalupi 5134 San Luis Obispo Along direct road from La Panza to Creston, 0.5 mile west of junction of Commatti Canyon road from Shandon 457 Comment
  SEINET10939170  Nemacladus secundiflorus Rimo Bacigalupi 1955-5-24 Bacigalupi 5209 San Luis Obispo Above creek bed in Palo Prieto Canyon, 2.4 miles above its confluence with Cholame Creek, northern end of the Temblor Range 457 Comment
  CAS-BOT-BC411017  Nemacladus secundiflorus var. secundiflorus Rimo Bacigalupi; Roxana S. Ferris; G. T. Robbins 1955-5-24 5209 San Luis Obispo Above creek bed in Palo Prieto Canyon, 2.4 miles above its confluence with Cholame Creek, northern end of the Temblor Range 457 Comment
  OBI13913  Nemophila menziesii Robert F. Hoover 1952-4-8 8079 San Luis Obispo La Panza District Comment
  SBBG108888  Nemophila menziesii var. menziesii K. Kirkland 1991-4-12 25 San Luis Obispo East Cuesta Ridge, 2 mi up East Cuesta Ridge Rd from La Cuesta Summit 609 Comment
  UCR163896  Nemophila menziesii var. menziesii George K. Helmkamp, E. A. Helmkamp 2005-3-30 9252 San Luis Obispo Outer South Coast Ranges, Pozo Road, 0.9 mi east of Hi Mountain Road, north side of Garcia Mountains 460 Comment
  OBI37942  Nemophila pedunculata David J. Keil, Dirk Walters 1980-4-10 13777 San Luis Obispo Ca. 0.5 mi W of jctn with Huerhuero rd on Park Hill rd Comment
  CDA5792  Nicotiana glauca L. Julian 2000-10-2 17 San Luis Obispo Cal Poly Canyon Road of the State University. Comment
  OBI58812  Nicotiana quadrivalvis David J. Keil 1998-6-5 27609 San Luis Obispo 3.5 miles E of junction Hwy 229 on Hwy 58. Comment
  OBI53062  Notholithocarpus densiflorus var. densiflorus David J. Keil 1995-5-23 25203 San Luis Obispo San Luis Range. San Luis Bay Estates. Area proposed for housing development Comment
  OBI50319  Nuttallanthus canadensis Tawney Odegard 1985-5-5 51 San Luis Obispo Morro Bay Kangaroo Rat Reserve. SE of Morro Bay, 0.5 mi down Pecho Valley Rd after passing "Golf Course" sign, turn right on dirt rd just past "Deer" sign and continue toward dunes for 0.5 mi MBKR site is on the left Comment
  OBI53166  Nuttallanthus texanus Steven A. Junak 1978-4-8 M- 48 San Luis Obispo NW edge of park; just W of Pecho Valley rd 0.5 mi S of park entrance Comment
  UC57513  Oemleria cerasiformis J. H. Barber 1900-5-1 San Luis Obispo Santa Lucia Mts. Comment
  OBI60588  Oenanthe sarmentosa Larry Kelly, David J. Keil 1988-10-1 312 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  OBI12163  Olea europaea John Helfrich 1964-3-1 12 San Luis Obispo 1425 Phillips Ln, San Luis Obispo Comment
  CAS-BOT-BC500163  Orobanche fasciculata Ernest C. Twisselmann 1969-5-7 15226 San Luis Obispo Temblor Range and Western San Joaquin Valley: Palo Prieta Canyon 563 Comment
  OBI31435  Orobanche uniflora Joy Nishida, Julie Oxford 1982-4-16 305 San Luis Obispo American Cyn. 1.2 mi S of Campground 506 Comment
  RSA17777  Orthocarpus erianthus Carl B. Wolf 1929-4-15 3596 San Luis Obispo 8 miles west of San Luis Obispo on road to Morro Bay 91 Comment
  CLARK-A1528-4774  Oryzopsis miliacea John C. Roos, Lucille Roos 1953-11-29 6043 San Luis Obispo San Luis Obispo 91 Comment
  OBI75859  Osmorhiza brachypoda Al Lindholm 1971-4-24 212 San Luis Obispo Fitzhugh property [6 mi N of Cayucos, Santa Lucia Mts. Cypress Mtn Quad, T28S, R10E, sect 3,4,5,8,9,10, 15,16,17. 1000-acre property containing within its boundaries the origins of Cottontail, Cayucos, Villa, and Cienega Crks. 1/2 mi SE of Geode Mtn Comment
  OBI30931  Oxalis latifolia David J. Keil 2010-10-18 30931 San Luis Obispo San Luis Obispo. 940 Del Rio Ave. 60 Comment
  OBI17606  Oxalis oregana Kurt R. Neisess 1976-2-7 s.n. San Luis Obispo In Redwood Gulch, off of hwy 1, about 8 mi N of San Simeon Comment
  CAS-BOT-BC318246  Packera breweri Roxana Stinchfield Ferris 1939-5-19 9747 San Luis Obispo 3 miles east of templeton near Templeton-Creston road Comment
  OBI79395  Paeonia californica David J. Keil, with Matt Ritter, Mike Simpson, David Chipping, Heath Bartosh, & Taylor Crow 2013-5-2 31672 San Luis Obispo Avenales Ranch, south of Pozo. Upper Alamo Creek drainage. Hike from 35.178659 deg. , -120.196577 deg. to 35.16639227 deg. , -120.1875824 deg. Comment
  RSA586594  Paeonia californica M. D. Proctor, E. A. Young 1993-3-17 ROB 0180 San Luis Obispo 2 km SE of Twin Bridges on Boyscout Road. Comment
  UCSB17670  Paeonia californica Breedlove, Dennis 1962-3-29 San Luis Obispo On hillside, north city limits of Atascadero 304 Comment
  UCSB2034  Paeonia californica Constance, Lincoln; Beetle, Alan 1940-3-22 San Luis Obispo Above Pozo Creek, 2 miles northeast of Pozo, La Panza Range 472 Comment
  SEINET11261328  Panicum miliaceum Robert L. Johnson 2015-7-30 4039 San Luis Obispo Near terminus of Santa Rosa Creek at Moonstone Beach Park, Cambria. Just north of Shamel Community Park.; 0 2 Comment
  OBI44853  Papaver californicum David J. Keil 1985-3-31 18483 San Luis Obispo Calf Cyn area along Calif Rte 58, halfway between Park Hill rd and hwy 229 Comment
  SBBG21368  Papaver californicum C. B. Hardham 1960-6-3 5995 San Luis Obispo near Radio KVEC TV broadcasting stn, Cuesta Ridge Comment
  UC117975 Image available Papaver californicum J. G. Lemmon 1887-1 San Luis Obispo Cholame Comment
  OBI58567  Papaver rhoeas David J. Keil 1998-6-8 27667 San Luis Obispo E of Atascadero on Hwy 41, 2.8 road miles E of Salinas River bridge 433 Comment
  CDA32526  Parishella californica Greg Wilvert 2005-5-11 401 San Luis Obispo Southeast half of Caliente Range; 0.6 km southwest of Semper Spring. Comment
  OBI59110  Paspalum distichum David J. Keil 1998-9-4 28082 San Luis Obispo Garden Farms area. Santa Margarita Creek N of Santa Margarita, W of El Camino Real bridge, just S of Santa Margarita Rd. Comment
  POM180560  Pectocarya penicillata Roxana S. Ferris 1929-4-13 7505 San Luis Obispo 5 miles north of Paso Robles along the Salinas River. Comment
  OBI20886  Pectocarya setosa Robert F. Hoover 1947-4-26 7085 San Luis Obispo Upper Toro Crk N of Pozo Comment
  OBI31170  Pedicularis densiflora Julie M. Vanderwier 1979-2-27 99 San Luis Obispo Indian Knob Tar Sands Comment
  SBBG107990  Pedicularis densiflora C. B. Hardham 1956-3-2 143 San Luis Obispo Cerro Alto Comment
  SBBG108009  Pedicularis densiflora C. B. Hardham 1956-3-2 144 San Luis Obispo Cerro Alto Comment
  UC1063597  Pellaea andromedifolia C. A. Graham 1938-4-6 284 San Luis Obispo 1/2 mi wsw Bee Rock; Bradley Quadrangle Comment
  CAS-BOT-BC69235  Pellaea andromedifolia Ira L. Wiggins 1929-4-16 3635 San Luis Obispo Hillside near Old Creek, 6 miles north of Moro Comment
  OBI79037  Pennisetum clandestinum David J. Keil 2013-8-22 31912 San Luis Obispo Morro Bay State Park. Vicinity of Quarry Trail trailhead along South Bay Blvd. 10 Comment
  OBI22086  Pennisetum setaceum Robert F. Hoover 1964-7-11 9189 San Luis Obispo San Luis Obispo, by roadside on Hwy 1 (Santa Rosa St) just W of town Comment
  UCD124081  Penstemon centranthifolius Mrs. B. S. MacLean 1932-7-1 s.n. San Luis Obispo San Luis Obispo County: La Panza. Comment
  SBBG107273  Penstemon heterophyllus C. B. Hardham 1960-6-1 5974 San Luis Obispo near Burnett Pk cypress forest Comment
  NY601666  Penstemon heterophyllus var. australis B. J. Ertter 1989-6-10 8559 San Luis Obispo East side of Black Mountain ca. 20 air miles east-northeast of San Luis Obispo, 3.5 miles from Highway 58 on road to Navajo Campground; dried streambed of McGinnis Creek, La Panza Range. 609.6 Comment
  SBBG117889  Pentachaeta exilis subsp. exilis E. Painter, M. Wetherwax, D. Wilken, D. Keil, J. Greenhouse 2001-4-16 CR 194 b San Luis Obispo N of San Marcos Rd, W of Generals Rd; Camp Roberts 260 Comment
  SBBG117892  Pentachaeta exilis subsp. exilis M. Wetherwax, E. Painter 2002-3-29 CR 277 San Luis Obispo W of Generals Rd, Training Area U; Camp Roberts 260 Comment
  SBBG119092  Pentagramma triangularis subsp. triangularis J. Olson 2002-4-3 San Luis Obispo Cerro Romualdo, off old rd just past jct with new manmade, illicit, unmapped trail; Camp San Luis Obispo Comment
  JEPS27033  Perideridia californica Rimo Bacigalupi with F. Chisaki, L. Dempster, C. Hardham 1960-5-10 7414 San Luis Obispo Las Tablas Creek Cypress Mountain (westernmost fork (Dellaganna or Carmen Creek), ne base of mt.) 518 Comment
  CAS-BOT-BC222701  Perideridia gairdneri subsp. gairdneri R. F. Hoover 1946-9-22 6447 San Luis Obispo Cambria Comment
  UC771673  Perideridia gairdneri subsp. gairdneri R. F. Hoover 1946-9-22 6447 San Luis Obispo Cambria Comment
  UC2027188  Perideridia pringlei Greg Wilvert 2005-5-20 430 San Luis Obispo Southeast Half of the Caliente Range. 1.4 km WNW of Quail Springs Reservoir Comment
  JEPS119351  Peritoma arborea R. Snyder, K. Soler 06/05/2012 CA 160 -09 San Luis Obispo 1 miles past entrance to caliente ridge, 1 mile long on either side of the road near Selby campground. Road is off of Soda Lake, take a right at the fork, CPNM. Comment
  SBBG1692  Persicaria amphibia C. B. Hardham 1957-9-23 2653 San Luis Obispo Atascadero Lake Comment
  OBI10854  Persicaria lapathifolia Robert F. Hoover 1966-9-16 10028 San Luis Obispo Santa Margarita Crk 2 mi N of Santa Margarita Comment
  SBBG117481  Persicaria lapathifolia E. Painter, M. Wetherwax, J. Wetherwax 2002-7-29 CR 329 San Luis Obispo N side of Nacimiento River, near end of Bivoac Rd and intersection with the rd that edges the N side of the river; Camp Roberts 185 Comment
  SBBG95377  Persicaria punctata C. F. Smith 1965-11-7 9123 San Luis Obispo W of Oso Flaco Lake, N of Guadalupe Comment
  UCR265761  Persicaria punctata Mark A. Elvin, Jason Storlie 2014-10-10 7695 San Luis Obispo Central Coast, Guadalupe Dunes, Guadalupe-Nipomo Dunes National Wildlife Refuge, '4-pond East' in '4-Pond Valley,' 15 m from southern boundary of the Refuge 18 Comment
  SBBG70560  Petunia parviflora M. M. Miles -Jan-1886 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  OBI55197  Phacelia brachyloba Greg Frugoli 1997-4-29 72 San Luis Obispo In drainage 0.5 mi S of Queen Bee cmpgrd, La Panza Range, Los Padres NF (hwy 58 burn area) 701 Comment
  UCSB57256  Phacelia brachyloba Ryan, P.; Callaway, R. 1987-5-14 San Luis Obispo Creston Rd., 1 mile north of jct. Hwy. 58, about 8 miles north of Santa Margarita, east side of road 426 Comment
  UC1285034  Phacelia ciliata var. ciliata R. F. Hoover 1962-4-1 8546 San Luis Obispo 1 mi s Nipomo (by roadside) Comment
  OBI13822  Phacelia cryptantha Ernest C. Twisselmann 1955-4-6 1820 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Crocker Spring Cyn, 9.2 mi NW of Fellows 762 Comment
  POM203613  Phacelia distans I. L. Wiggins 1932-3-24 5840 San Luis Obispo Roadsides and hills near Adelaide, W. of Paso Robles. Comment
  UCR266655  Phacelia distans David J. Keil, Margariet Wetherwax, Elizabeth Painter, Jody Olsen, Kevin Downing, Charis Bratt, Lynne D. Althouse 2000-5-16 28703 San Luis Obispo Camp Roberts; vicinity of Twin Bridges (over Nacimiento River) 189 Comment
  OBI54414  Phacelia distans Matthew Arterburn 1997-4-8 41 San Luis Obispo 3.1 mi from Navajo Camp on Navajo Camp rd 792 Comment
  UCSB25273  Phacelia divaricata Broder, Richard 1960-3-19 San Luis Obispo Along State Highway 1, 4.4 miles west of the center of the town of Morro Bay Comment
  UC1606942  Phacelia douglasii Robert F. Thorne and P. Everett 1963-4-18 31482 San Luis Obispo ca 4 mi s Cholame 487 Comment
  SD125577  Phacelia douglasii var. douglasii Clifton F. Smith 1950-5-4 2754 San Luis Obispo Off Creston-Simmler Road at Fernandez Creek. Comment
  UCR42771  Phacelia egena David J. Keil, R. R. Pimentel, R. A. Pimentel, D. R. Miller 1985-4-27 18610 San Luis Obispo 19.5 mi. from Calif. Route 1 along San Simeon Creek Road, north of Rocky Butte lookout at locked gate 732 Comment
  JEPS2073  Phacelia fremontii W. L. Jepson 1932-4-3 16208 San Luis Obispo 4 mi s Simmler; Carrizo Plain 579 Comment
  OBI13774  Phacelia fremontii Robert F. Hoover 1952-4-8 8091 San Luis Obispo W base of Temblor Range near McKittrick Comment
  SBBG122337  Phacelia grisea D. Keil 1989-6-3 21237 San Luis Obispo St Hwy 41, between Atascadero and Morro Bay, 0.4 mi S of Hwy at Cerro Alto Cmpgrd Comment
  OBI6927  Phacelia imbricata Keith McConnelly 1975-5-9 131 San Luis Obispo Cerro San Luis Obispo Peak. NE slope; 1 mi W of San Luis Obispo Comment
  UC794413  Phacelia imbricata Lincoln Constance, Richard W. Holm, and Carroll E. Wood Jr. 1949-4-23 3266 San Luis Obispo 4 mi n San Luis Obispo; Santa Lucia Range, Cuesta Grade 304 Comment
  SBBG48491  Phacelia malvifolia L. W. Edge 1974-6-11 473 San Luis Obispo Santa Rita Cyn Rd Comment
  UC54869  Phacelia malvifolia Mrs. R. W. Summers 1883-2-20 571 San Luis Obispo ocean bluffs Avila Comment
  OBI45805  Phacelia ramosissima var. austrolitoralis Clifton F. Smith 1952-5-19 3403 San Luis Obispo In Blue Cyn, Upper Santa Ynez River below Juncal Dam Comment
  CAS-BOT-BC159121  Phacelia ramosissima var. montereyensis L. R. Abrams 1917-6-10 6515 San Luis Obispo Sand hills near Pismo Beach Comment
  POM186373  Phacelia ramosissima var. montereyensis Thomas Craig 1933-7-3 1887 San Luis Obispo Sand hills 1-3 miles south of Pismo Beach. Comment
  OBI78890  Phacelia vallis-mortae George Butterworth 2013-3-28 903 San Luis Obispo Carrizo Plain National Monument. N end of Elkhorn Plain, "Hoover's Canyon" in Temblor Range 747 Comment
  UC55305  Phacelia viscida J. H. Barber 1899-4-23 San Luis Obispo Paso Robles Comment
  UC463328  Phacelia viscida Roxana S. Ferris 1929-4-13 7536 San Luis Obispo above ocean between San Luis Obispo and Pismo Comment
  CAS-BOT-BC265806  Phalaris aquatica Ernest C. Twisselmann 1959-11-2 5904 San Luis Obispo Oso Flaco Road, 3 miles east of Oso Flaco Lake 12 Comment
  RSA755143  Phalaris paradoxa David J. Keil, Kathleen Keil 1998-6-13 27813 San Luis Obispo La Panza Mountains, Vicinity of Shell Creek, 0.5 miles from junction of Shell Creek Road and Highway 58. Comment
  UC455682  Phlox gracilis I. J. Condit 1909-2-22 San Luis Obispo San Luis Hot Soda Springs Comment
  RSA297022  Pholisma arenarium George Yatskievych 1981-5-17 81 -178 San Luis Obispo South end of Morro Bay, west of Los Osos near Woodland Avenue West. 18 Comment
  SEINET10743464  Pholisma arenarium George Yatskievych 1981-5-17 Yatskievych 81 -178 San Luis Obispo S end of Morro Bay; W of Los Osos, near Woodland Avenue West. 18 Comment
  OBI80887  Pholistoma auritum David J. Keil 2015-2-14 32603 San Luis Obispo Pismo Preserve. Eastern fringe of preserve along Thousand Hills Road between Price Canyon Road and unpaved road into preserve 25 Comment
  OBI75803  Pholistoma auritum var. auritum Al Lindholm 1967-4-23 209 San Luis Obispo Fitzhugh property [6 miles north of Cayucos, Santa Lucia Mountains. Cypress Mountain Quadrangle, T28S, R10E, sections 3, 4, 5, 8, 9, 10, 15, 16, 17. 1000-acre property containing within its boundaries the origins of Cottontail, Cayucos, Villa, and Cienega Creeks. Property contains Geode Mountain (rhyolite), sedimentary formations, and serpentine. Soils vary from hard rock to rich humus. Land mostly occupied by oak woodland and chaparral]. 1/2 mile southeast of Geode Mountain. Comment
  SBBG118554  Pholistoma auritum var. auritum E. Painter, M. Wetherwax with J. Olson 2002-3-26 SLO 217 b San Luis Obispo NW slope of Cerro Romualdo; Camp San Luis Obispo 250 Comment
  SBBG82001  Pholistoma membranaceum S. F. Smith 1950-4-30 2713 San Luis Obispo Temblor Grade from Simmler to McKittrick Comment
  CAS-BOT-BC141208  Phoradendron serotinum subsp. macrophyllum A. C. Rist 1964-4-15 s.n. San Luis Obispo Residence at 701 Vine Street, Paso Robles Comment
  JEPS60961  Physalis philadelphica Ernest C. Twisselmann 1969-11-15 16336 San Luis Obispo 5 mi s Paso Robles; Salinas River 182 Comment
  OBI47492  Pickeringia montana var. montana David J. Keil, Corky Matthews, Ron Branson, Malcolm McLeod 1984-5-13 18234 -1 San Luis Obispo Vicinity of Arroyo de la Cruz, N of San Simeon Comment
  RSA772358  Pinus muricata Robert F. Thorne, Percy C. Everett 1963-4-21 31641 San Luis Obispo South end of Morro Bay; Lion Rock, Montana de Oro, Pecho Ranch Comment
  RSA498148  Pinus radiata George R. Johnstone 1929-8-13 s.n. San Luis Obispo Cambria. Comment
  MACF019829  Pinus radiata Michael C. Bondello 1975-4-20 1 San Luis Obispo Baywood Park pier, 3 mi. south of Morro Bay 60 Comment
  RSA586555  Pinus sabiniana F. L. Johnson, E. A. Young 1993-5-26 ROB 0640 San Luis Obispo Dughi Spring. Comment
  UC524086  Pinus sabiniana Ira L. Wiggins 1932-3-21 5831 San Luis Obispo grade at w end of Carisa Plains on road to Santa Margarita Carisa Plains Comment
  RSA568550  Piperia michaelii George Henry Grinnell 1930-8-13 s.n. San Luis Obispo Cambria Pines Comment
  CAS-BOT-BC254444  Piptatherum miliaceum John Roos; Lucille Roos 1953-11-29 6043 San Luis Obispo Near chicken pens, California Polytechnic College campus, San Luis Obispo 91 Comment
  OBI20196  Pittosporum undulatum Kenneth Vinzant 1972-4-8 1 San Luis Obispo Tree lining Campus Way between North and South Perimeter Rd, Cal Poly campus Comment
  OBI27962  Pittosporum undulatum Joan Coffey 1972-5-19 28 San Luis Obispo 123 Crandall Way, San Luis Obispo Comment
  OBI66710  Plagiobothrys David J. Keil, with Robyn Cox, Cindy Sage, and Orrin Sage 2002-3-25 29754 San Luis Obispo Ridges south of Arroyo de la Cruz bridge, between Highway 1 and Arroyo de la Cruz Comment
  SBBG118060  Plagiobothrys acanthocarpus K. Foster 1999-3-15 San Luis Obispo Training Area Q, vernal pool Q-1; Camp Roberts Comment
  OBI77774  Plagiobothrys acanthocarpus David J. Keil 1998-4-20 26880 San Luis Obispo North of Nacimiento Lake 1 mile from Interlake Road on Lynch Canyon road. Comment
  UC765817  Plagiobothrys fulvus R. F. Hoover 1939-5-4 4079 San Luis Obispo on Pozo road near Santa Margarita Comment
  OBI20172  Plagiobothrys leptocladus David J. Keil 1979-4-8 13026 San Luis Obispo 2 mi E of Shell Crk rd along hwy 58 Comment
  UCR4409  Plagiobothrys nothofulvus Frank C. Vasek 1960-4-10 600410- 12 San Luis Obispo South Coast Range, 3.9 mi SE of Santa Margarita Junction [Hwy 58 ?] on Pozo Road [Rinconada Creek watershed] 366 Comment
  JEPS116816  Plagiobothrys tenellus David Gowen 2009-4-15 995 San Luis Obispo South of Cholame. Hills to west of drainage, about 4.8 miles from Hwy 41 on Bitterwater Road . Comment
  UC1069075  Plagiobothrys tenellus C. A. Graham 1938-4-11 307 San Luis Obispo 1 mi s Bee Rock; Bradley Quadrangle Comment
  UC1284992  Plagiobothrys trachycarpus R. F. Hoover 1947-4-16 6938 San Luis Obispo near n end of Laguna near San Luis Obispo Comment
  SBBG93791  Plagiobothrys uncinatus S. A. Junak 1990-5-1 4250 San Luis Obispo N edge of Cuesta Ridge Botanical Area, powerline access rd which intersects Tassajera Crk Rd ca. 2.4 mi W of Hwy 101, ca. 1.1 rd mi S of Tassajera Crk Rd 536 Comment
  OBI73101  Plagiobothrys undulatus David J. Keil, with Lynne Dee (Oyler) Althouse 2000-5-10 28660 San Luis Obispo Santa Margarita Ranch. Ca. 0.5 miles south of railroad crossing along Pozo Road and westward along ranch roads. Comment
  CDA16140  Plantago elongata G. F. Hrusa 1999-3-16 14931 San Luis Obispo Carrizo Plain; Carrizo Plain, immediately S of Washburn Ranch. 609 Comment
  OBI11665  Plantago elongata Robert F. Hoover 1947-3-30 6851 San Luis Obispo 1 mi S of Simmler, Carrizo Plain Comment
  OBI64564  Plantago elongata David J. Keil 2001-3-28 29218 San Luis Obispo Southeast of Cholame along Davis Road, 1 mile southeast of California Water Project pipeline corridor 378 Comment
  SFV21713  Plantago erecta S. Kimball, R. Sanchez 1999-4-9 16 San Luis Obispo Carrizo Plain Carrizo Plain. Swain Pasture, north side of Soda Lake Road. 700 Comment
  UC102757 Image available Plantago erecta T. S. Brandegee June 1888 San Luis Obispo San Simeon. Comment
  UC456042  Plantago erecta unknown 72 San Luis Obispo Cal Poly School Comment
  OBI31712  Plantago lanceolata Turnquist, Smeltzer 1982-5-1 85 San Luis Obispo On the NE side of Laguna lake Park Comment
  OBI78669  Plantago lanceolata Jessica Sheetz 2013-11-13 4 San Luis Obispo Highway 58/Highway 101 intersection near railroad tracks. Comment
  OBI80677  Plantago lanceolata David J. Keil 1992-4-12 22835 San Luis Obispo Laguna Lake City Park 170 Comment
  OBI31711  Plantago major Smeltzer, Turnquist 1982-5-19 135 San Luis Obispo Along the Laguna Lake paved rd and the NE shoreline of lake Comment
  OBI6272  Plantago major Robert D. Page 1963-11-3 230 San Luis Obispo Along bank of Old Beaver Pond along Pozo Rd 3 mi E of Routzhan county park Comment
  UC55728  Platanus racemosa Mrs. R. W. Summers San Luis Obispo Comment
  OBI11618  Platanus racemosa VRMeer 1955-4-10 24 San Luis Obispo Cal Poly campus; Botanical Gardens along stream bank Comment
  SEINET10530980  Platycladus orientalis Dunn 1947-12-30 Dunn 3590 San Luis Obispo University of California at Berkeley campus cultivated plants. Tree 30 ft tall. Comment
  SBBG104857  Platystemon californicus M. D. Proctor, E. A. Young 1993-3-19 ROB 259 San Luis Obispo Cuesta Ridge; Camp Roberts Comment
  UC52278  Platystemon californicus Rev. R. W. Summers 1888-4-29 San Luis Obispo Templeton Comment
  UCD96025  Platystemon californicus A. A. Beetle Date unknown s.n. San Luis Obispo San Luis Obispo County. Comment
  UCR266191  Plectritis brachystemon David J. Keil, V. L. Holland 2001-3-30 29241 San Luis Obispo Central Coast, coastal side of Hwy 1 along coast west of Cayucos, just east of China Harbor and west of Abalone Farm 120 Comment
  OBI58825  Plectritis ciliosa David J. Keil, with Rhonda Riggins and D. R. Miller 1998-5-27 27471 San Luis Obispo Santa Lucia Mountains. San Simeon Creek Rd. at Eagle Point, 10 miles NE from Hwy 1 (35 deg. 40.233' N x 121 deg. 02.851' W). Comment
  OBI78494  Plectritis ciliosa Robert J. Rodin 1957-4-9 6130 San Luis Obispo Near top of Cuesta Pass on hwy 101. 4 mi N of San Luis Obispo Comment
  UC1178408  Plectritis ciliosa R. J. Rodin 1957-4-9 6130 San Luis Obispo 4 mi n of San Luis Obispo (near top of Cuesta Pass on Highway #101); Cuesta Pass Comment
  CAS-BOT-BC260940  Pleuropogon californicus var. californicus R. F. Hoover 1950-5-15 7917 San Luis Obispo Near northwest end of Laguna Comment
  UC573254  Pluchea sericea W. A. Peterson 1936-7-9 335 San Luis Obispo Cuyama Ranch Santa Ynez Quad. 670 Comment
  OBI69303  Poa David J. Keil, with Lynne Dee (Oyler) Althouse 2002-4-22 29833 San Luis Obispo Santa Margarita Ranch. Along drainage of Trout Creek between Highway 58 (35.389 deg. N x 120.581 deg. W) and gravel pit road east of Garden Farms (35.419 deg. N x 120.599 deg. W)Riparian zone and adjacent grassy fields and oak-wooded slopes Comment
  RSA201646  Poa Robert F. Hoover 1964-6-5 8917 San Luis Obispo Ridge southeast of Cuesta Pass Comment
  UCD90706  Poa bulbosa Ernest C. Twisselmann 1962-4-17 6942 San Luis Obispo San Luis Obispo County: Shandon. Dorothy Twisselmann Ranch, in eastern part of County. 685 Comment
  UCD90814  Poa bulbosa Ernest C. Twisselmann 1962-4-17 6942 San Luis Obispo San Luis Obispo County: Eastern part of county. Shandon. Dorothy Twisselmann Ranch. 685 Comment
  UCSB54168  Poa bulbosa Costley, M. 1985-4-19 San Luis Obispo Nipomo Mesa in the stabilized back dune 30 Comment
  OBI79495  Poa diaboli Michael Walgren 2014-4-26 408 San Luis Obispo Along Rattlesnake Flats Trail in Montana de Oro State Park, growing along the trail in a shaded north facing spot. 118 Comment
  CDA11468  Poa howellii G. F. Hrusa 1995-5-28 12230 San Luis Obispo Black Butte Research Natural Area. WNW slope of Peak 2. Comment
  OBI22129  Poa howellii Robert F. Hoover 1948-5-3 7513 San Luis Obispo See Cyn Comment
  OBI66638  Poa howellii D. R. Miller 1994-5-13 594 -359 San Luis Obispo Pine Mt Region. Near 'Mine Cave', E slope of Pine Mt Pico Crk drainage 900 Comment
  RSA585847  Poa howellii G. Fred Hrusa 1995-5-28 12230 San Luis Obispo on WNW slope of Peak 2. 610 Comment
  OBI34375  Poa howellii Ruth E. Davis 1964-4-24 63 San Luis Obispo See Cyn, about 9 mi from San Luis Obispo Comment
  CAS-BOT-BC243108  Poa secunda subsp. secunda Ira L. Wiggins 1929-5-23 3736 San Luis Obispo 10 miles E of Shandon Comment
  OBI28251  Poa secunda subsp. secunda Spasbo/Krystoff 1982-4-18 18 San Luis Obispo 22 mi E of Arroyo Grande Comment
  OBI31340  Poa secunda subsp. secunda Joy Nishida, Robert Allen 1982-4-10 216 San Luis Obispo American Cyn campground on a slight slope 536 Comment
  UC1583618  Poa secunda subsp. secunda David Keil 1985-4-6 18529 San Luis Obispo n San Simeon (on ridge s of the Arroyo, sw of cutoff oxbow area); Arroyo de la Cruz Comment
  OBI58159  Pogogyne serpylloides David J. Keil 1998-7-2 27904 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  SEINET9002261  Polygonum aviculare R. R. Halse 2015-1 9359 San Luis Obispo W end of the Santa Maria Valley, at the end of Oso Flaco Lake Road, ca 5 air miles S of Oceano. 3 Comment
  CAS-BOT-BC414075  Polygonum aviculare subsp. aviculare Ernest C. Twisselmann 1954-6-14 1366 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Summit: 8 miles south of Cholame 624 Comment
  UCD100147  Polygonum aviculare subsp. depressum Ernest C. Twisselmann 1962-8-23 7685 San Luis Obispo San Luis Obispo County: O'Brien Lake, hills at the summit of Palo Prieta Canyon. 640 Comment
  OBI58234  Polygonum paronychia Austin P. Griffiths, G. F. Hrusa 1987-4-29 18137 San Luis Obispo Montana de Oro State Park. 3rd sandhill N of Spooner's Cove Comment
  JEPS99082  Polypodium Clare B. Hardham 1957-8-8 2814 San Luis Obispo Santa Rosa Creek, Cambria Comment
  UC1934601  Polypodium californicum T. M. C. Taylor 1966-12-27 7380 San Luis Obispo San Luis Obispo Comment
  UC2027515  Polypodium calirhiza David J. Keil with Matt Ritter, Ken Haggard, et al. 2011-3-22 30982 San Luis Obispo Upper eastern slope of Santa Lucia Mountains. Tributary of Tassajara Canyon north of San Luis Obispo. Comment
  CAS-BOT-BC233242  Polypogon maritimus Clare B. Hardham 1964-6-13 12011 San Luis Obispo Tributary of San Juan River, Paso Robles Comment
  OBI22181  Polypogon monspeliensis Robert F. Hoover 1964-8-14 9271 San Luis Obispo Jack Lake Comment
  OBI43409  Polypogon monspeliensis Eric Wise 1981-6-22 636 San Luis Obispo Lopez Water Treatment Reservoir Comment
  OBI80880  Polypogon viridis David J. Keil 1992-1 22938 San Luis Obispo Laguna Lake City Park local in Perfumo Canyon arm of lake inflow 170 Comment
  OBI43286  Polypogon viridis Eric Wise 1981-6-26 721 San Luis Obispo Arroyo Laguna. 15.2 mi S of Monterey border Comment
  OBI79823  Polypogon viridis D. R. Miller 2013-8-29 813 .1071 San Luis Obispo The Rocky Butte/Pine Mountain Region, Growing in and along wet drainage ditch at Debbie Mix (Dusty Rhoades) property, San Simeon Creek drainage. 616 Comment
  SD41383  Polypogon viridis Edith A. Purer 1933-7-20 5061 San Luis Obispo Partially stabilized sand dunes, five miles northwest of Guadalupe. Comment
  OBI37126  Populus fremontii Eric Wise 1981-7-10 922 San Luis Obispo Atascadero Lake Comment
  UCSB38023  Potamogeton foliosus Vivrette, Nancy 1978-11-19 San Luis Obispo Oso Flaco Lake Comment
  UCR21891  Potamogeton pectinatus Paul Reisentz 1978-6-20 s.n. San Luis Obispo Oso Flaco Lake Comment
  CAS-BOT-BC141921  Potentilla anserina subsp. pacifica R. F. Hoover 1969-8-25 11560 San Luis Obispo Laguna de San Luis Obispo Comment
  CAS-BOT-BC94850  Potentilla glandulosa R. C. Wenk 2007-4-15 635 San Luis Obispo Along Pozo Road, 7.9 miles W from jct. with Highway 58, La Panza campground 775 Comment
  POM180021  Prunus fasciculata Lester Rowntree 1931-04 s.n. San Luis Obispo Nipomo mesa Comment
  SBBG123065  Prunus virginiana var. demissa D. Keil, L. D. Althouse 2002-4-22 29813 San Luis Obispo Santa Margarita Ranch, along drainage of Trout Crk between Hwy 58 and gravel pit rd E of Garden Farms Comment
  UC56062  Prunus virginiana var. demissa J. H. Barber 1899-5-7 San Luis Obispo Santa Lucia Mountains Comment
  CAS-BOT-BC356461  Pseudognaphalium beneolens R. F. Hoover 1946-8-25 6346 San Luis Obispo Price Canyon Comment
  OBI7435  Pseudognaphalium beneolens David J. Keil 1976-10-10 11854 San Luis Obispo Along Cuesta Grade Rd 1.8 mi below gate at base of Microwave towers Comment
  OBI16445  Pseudognaphalium biolettii Robert F. Hoover 1967-3-15 10249 San Luis Obispo Oak Park district, N of Arroyo Grande Comment
  OBI35479  Pseudognaphalium biolettii S. M. Inman 1983-5-25 76 San Luis Obispo Pecho Study Site, Los Osos. 1/2 mi S on Pecho Valley Rd past jctn of Pecho Rd. rt on dirt rd after 'deer' sign, to S of dirt rd 49 Comment
  RSA123312  Pseudognaphalium biolettii B. Bolt 1936-1-14 536 San Luis Obispo 3/8 mile N of mouth of Hazard Canyon 76 Comment
  OBI20215  Pseudognaphalium californicum Ann McBeth 1979-4-25 5 San Luis Obispo Indian Knob, 4 mi N of Pismo Beach Comment
  OBI27332  Pseudognaphalium californicum Robert L. Allen, Nancy E. Arnold 1981-5-17 322 San Luis Obispo 7.6 mi NE of Santa Margarita, Calf Cyn, N end of La Panza Mts @ halfway down NW facing slope Comment
  UC672201  Pseudognaphalium californicum H. L. Mason 1934-4-1 San Luis Obispo Cambria Pines, near Cambria; Cambria Pines Comment
  CAS-BOT-BC356841  Pseudognaphalium californicum Ernest C. Twisselmann 1967-4-27 12916 San Luis Obispo Highway 1, 2.9 miles south of Piedras Blancas Point 9 Comment
  OBI36296  Pseudognaphalium californicum Steve Maniaci 1979-4-2 11 San Luis Obispo 100 dys W of Cal Poly stadium in San Luis 61 Comment
  SBBG25035  Pseudognaphalium californicum D. Myrick 1966-3-23 1301 San Luis Obispo field just back of ocean bluff at Arroyo de la Cruz, ca 6 mi N of San Simeon Comment
  UC2027426  Pseudognaphalium luteoalbum Greg Wilvert 2005-4-17 259 San Luis Obispo Southeast Half of the Caliente Range. Quail Spring. Comment
  OBI16430  Pseudognaphalium luteoalbum Robert F. Hoover 1946-10-2 6455 San Luis Obispo C.P.S. campus, San Luis Obispo Comment
  UCSB33597  Pseudognaphalium stramineum Simmons, Karen 1979-2-18 San Luis Obispo Turnout, ocean side of Hwy. 1, 3 miles north of San Simeon State Beach 9 Comment
  OBI45413  Psilocarphus tenellus David J. Keil 1983-4-23 16920 San Luis Obispo Vicinity of Arroyo de la Cruz. N of the Arroyo and W of hwy 1 Comment
  RSA0028038  Pterostegia drymarioides Greg Wilvert 2005-4-13 208 San Luis Obispo 2 kilometers SSW of Lawson Spring. 871 Comment
  CAS-BOT-BC421309  Pterostegia drymarioides Clare B. Hardham 1956-3-27 310 San Luis Obispo Santa Lucia Mountains. Hills southeast of Chimney Rock Comment
  CAS-BOT-BC36518  Quercus W. R. Dudley 1905-1-2 s.n. San Luis Obispo near Chrome mine Comment
  CAS-BOT-BC61747  Quercus agrifolia Herman Knoche 1919-10-1 2419 San Luis Obispo Atascadero Comment
  OBI83453  Quercus agrifolia Tanner Tellenbach, Elijah Lax, Brett Donahue, Nolan Donahue 2017-1-26 2 San Luis Obispo Johnson Ranch Open Space: take Highway 101 south to exit 198 for Higuera Street. At the bottom of a horseshoe bend in the off ramp, turn left into a parking area for Johnson Ranch. To the right of the road follow the trail, cross a stream, about 100 yards up from the stream, and about 50 yards to the right of the trail if you are looking at the stream. 80 Comment
  OBI14322  Quercus agrifolia var. agrifolia F. Rush 1956-1 51 San Luis Obispo Mt. SLO Comment
  OBI14315  Quercus agrifolia var. agrifolia Robert F. Hoover 1965-9-29 9682 San Luis Obispo Santa Lucia Range. Half-way between Santa Margarita and Atascadero Comment
  OBI14321  Quercus agrifolia var. agrifolia Robert F. Hoover 1946-10-19 6502 San Luis Obispo 3 mi NE of Pozo Comment
  SBBG33144  Quercus berberidifolia K. K. Muller 1956-11-7 764 San Luis Obispo N slope of Cypress Mtn, W of Paso Robles near Adelaida Comment
  OBI28201  Quercus chrysolepis Penny Principe 1982-5-2 s.n. San Luis Obispo Santa Lucia Mts., E. Cuesta Ridge, 2.7 mi SE of hwy 101 Comment
  OBI4999  Quercus douglasii Jim Heaston 1961-11-12 410 San Luis Obispo La Panza Comment
  CAS-BOT-BC94034  Quercus durata Alice Eastwood 1929-3-7 16850 San Luis Obispo Chorro Creek Comment
  CAS-BOT-BC94131  Quercus durata Clare B. Hardham 1956-11-7 1511 San Luis Obispo Santa Lucia Mountains. Cypress Mt., edges of Cypress Swamp 609 Comment
  OBI6655  Quercus durata var. durata Greg Hassen 1975-7-15 45 San Luis Obispo Poly Canyon, Cal Poly campus Comment
  CAS-BOT-BC94616  Quercus garryana R. F. Hoover 1964-5-15 8889 San Luis Obispo Pine Top Mountain, S of San Carpoforo Creek Comment
  SBBG41439  Quercus john-tuckeri D. Myrick 1971-4-6 2194 San Luis Obispo Peachy Cyn Rd, 4 mi W of Paso Robles Comment
  CAS-BOT-BC61599  Quercus lobata Ernest C. Twisselmann 1953-9-25 791 San Luis Obispo Palo Prieta Canyon: creek bed, 1 mile west og Highway US 466 487 Comment
  UCD54402  Quercus lobata Herbert L. Mason 1929-10-12 5489 San Luis Obispo San Luis Obispo Co: 5.2 miles from Atascadero. Comment
  SBBG119095  Quercus palmeri E. Painter, M. Wetherwax 1999-11-14 SLO 15 San Luis Obispo ca. 1 air km SSW of Pick and Shovel Mine, E of main branch of Chorro Crk, ca. 2 air km NE of Chorro Reservoir; Camp San Luis Obispo 400 Comment
  OBI14206  Quercus parvula var. shrevei Robert F. Hoover 1957-8-28 8396 San Luis Obispo Rocky Butte Fire Lookout above San Simeon Comment
  CDA8526  Rafinesquia californica S. V. Wright 1965-5-19 San Luis Obispo Robert Hahn property, Davis Canyon. 0 Comment
  OBI37683  Ranunculus aquatilis Eric Wise 1983-6-30 1718 San Luis Obispo Santa Margarita Lake: Man-made reservoir in Salinas River chnl Comment
  OBI10574  Ranunculus californicus Aart C. De Vos 1963-3-31 46 San Luis Obispo Poly Cyn Comment
  OBI27140  Ranunculus californicus Thomas Burrows 1980-4-24 17 San Luis Obispo Reservoir Cyn 152 Comment
  OBI46175  Ranunculus californicus Lynne Dee Oyler 1986-5-21 474 San Luis Obispo Santa Margarita Ranch 3.6 mi SE of town along ranch rd. E base of Santa Lucia mts, locally the E boundary of the Las Pilitas fire July 1985 Comment
  SEINET2444524  Ranunculus californicus Eric Luning 2003-4-15 11 San Luis Obispo Reservoir Canyon Trail. Comment
  UC72900  Ranunculus californicus J. E. Roadhouse 1905-4 272 San Luis Obispo San Luis Obispo Comment
  OBI28736  Ranunculus californicus Gary Hammer 1976-4-10 35 San Luis Obispo Off Tasajara Cyn Rd along stream 2.5 mi from hwy 101 Comment
  OBI40357  Ranunculus hebecarpus David J. Keil, Rhonda Riggins, Richard A. Pimentel, and D. R. "Doc" Miller 1985-4-27 18684 San Luis Obispo 16.5 mi from Calif Rte 1 along San Simeon Crk Rd, near Rocky Butte lookout at Wheelbarrow Gulch 640 Comment
  OBI75732  Ranunculus muricatus D. R. Miller 2011-4-28 411 .942 San Luis Obispo Flora of Rocky Butte/Pine Mt. Region. On Stepladder Ranch San Simeon Crk rd 400 Comment
  UC1121737  Rhamnus californica A. E. Wieslander 1934-4-27 462 San Luis Obispo High Mountain Santa Barbara National Forest, Pozo Quad. 640 Comment
  RSA43181  Rhamnus californica Robert F. Hoover 1946-8-17 6288 San Luis Obispo Arroyo Grnde Creek below jct of Lopez Canyon Comment
  SEINET3928267  Rhamnus californica Hannah M. Fugle 2011-1-29 9 San Luis Obispo Dairy Creek, ca. 0.5 miles southeast of Escuela Ranch facility.; 0 91 Comment
  UCR163397  Rhamnus californica subsp. californica George K. Helmkamp, E. A. Helmkamp 2005-3-25 9228 San Luis Obispo Outer South Coast Ranges, upper Lopez Canyon; 2.2 mi north of Hi Mountain Road along Upper Lopez Canyon Road 317 Comment
  CAS-BOT-BC55867  Rhamnus crocea Ira L. Wiggins 1929-4-16 3664 San Luis Obispo Grade 6 miles above Moro on Atascadero Road Comment
  CAS-BOT-BC55876  Rhamnus crocea David A. Young; S. A. Junak; M. Carroll 1989-3-13 1849 San Luis Obispo Chaparral Rd. below T.V. antennas Comment
  OBI47392  Rhamnus crocea David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel, Richard Pimentel, Linda Seek, et al. 1982-5-8 16068 San Luis Obispo Cypress Mtn Comment
  RSA7730  Rhamnus crocea Carl B. Wolf 1929-4-16 3640 San Luis Obispo 6 miles E of Morro on road to Atascadero narrow canyon Comment
  RSA43182  Rhamnus tomentella subsp. tomentella Robert F. Hoover 1946-10-27 6536 San Luis Obispo Canyon opening S into Cuyama River opposite Pioneer Grave Comment
  RSA7719  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1929-4-15 3582 San Luis Obispo Between Guadalupe and Callender, 4 miles from ocean Comment
  OBI31266  Rhus aromatica Joy Nishida, Melissa Luckow 1983-3-10 541 San Luis Obispo 1.2 miles south of American Canyon Campground 506 Comment
  SBBG96085  Rhus aromatica D. Keil with V. L. Holland 1986-5-26 19593 San Luis Obispo Oak Shores development on N shore of Nacimiento Lake Comment
  CAS-BOT-BC437971  Ribes L. R. Abrams 1924-4-4 10159 San Luis Obispo Foot of Questa grade near Santa Margarita. Comment
  UC1927738  Ribes amarum David Keil 2006-4-2 30429 San Luis Obispo Southern Santa Lucia Mountains. Along Mount Lowe Road, ca. 0.25 - 0.5 mi from gate at junction with US Highway 101 (at Cuesta Pass). 487 Comment
  SBBG2744  Ribes californicum C. B. Hardham 1959-3-13 4044 San Luis Obispo Klau Mine Comment
  UC463257  Ribes divaricatum var. pubiflorum Roxana S. Ferris 1929-4-15 7626 San Luis Obispo between Oceano and Callender Comment
  JEPS97633  Ribes divaricatum var. pubiflorum Annetta M. Carter, Helen Sharsmith, Florence Little 1936-4-11 1106 San Luis Obispo Porter Ranch on Alamo Creek, a tributary of Cuyama (Santa Maria) River. 13 mi. from Santa Maria. Comment
  CAS-BOT-BC169017  Ribes indecorum R. F. Hoover 1947-1-6 6592 San Luis Obispo Above head of See Canyon, San Luis Range Comment
  RSA0025050  Ribes indecorum Mary E. Wall 1933-4-20 s.n. San Luis Obispo Santa Margarita. Comment
  SBBG104453  Ribes malvaceum M. D. Proctor, E. A. Young 1993-4-17 ROB 468 San Luis Obispo Chorro Crk, 1 km N of Chorro Reservoir; Camp San Luis Obispo Comment
  CAS-BOT-BC168975  Ribes malvaceum Ernest C. Twisselmann 1956-1-24 2504 San Luis Obispo Upper Calf Canyon - La Panza Range 457 Comment
  UCR200319  Ribes malvaceum var. malvaceum Steve Boyd 2007-2-17 111715 San Luis Obispo Coast Ranges, La Panza Range, Los Padres National Forest along Pozo Road at Pozo Summit, at divide between Pozo Creek drainage and Mariana Creek drainage 803 Comment
  OBI72010  Ribes sanguineum var. glutinosum Michael Walgren 2010-2-1 73 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See 335 Comment
  OBI23014  Ribes sanguineum var. glutinosum Robert J. Rodin 1962-5-8 6960 San Luis Obispo 4 mi SE of Cuesta Summit on Hwy 101 Comment
  OBI53417  Ribes sanguineum var. glutinosum Arthur W. Hazebrook 1993-5-23 236 San Luis Obispo Nipomo Dunes Campground, riparian corridor along northern base of Big Coreopsis HIll Comment
  SBBG2812  Ribes sericeum C. B. Hardham 1960-2-25 5207 San Luis Obispo Santa Rosa Crk, 9.1 mi E of Cambria 213 Comment
  OBI14016  Ribes speciosum A. Ahmad 1963-4-7 13 San Luis Obispo 2 mi N SLO Comment
  SEINET3928280  Ribes speciosum Natalie Rossington, James Scott Love 2012-2-26 1 San Luis Obispo Stenner Creek Ranch, 1 mile north along trail.; 0 Comment
  UCSB31772  Ribes speciosum UCSB Botanical Society 1979-1-20 San Luis Obispo .7 miles west along a dirt road; 5.2 miles northwest of San Luis Obispo Creek; along See Canyon Road 243 Comment
  CDA9381  Rigiopappus leptocladus G. F. Hrusa, S. Dubiel 2014-4-25 18533 San Luis Obispo South Coast Ranges; Lynch Cyn Rd. off Interlake Rd. betw. Nacimiento and San Antonio lakes, along Cantinas Creek. 262 Comment
  OBI76693  Rigiopappus leptocladus Jason Dart, Kerri Johnson 2008-4-24 318 San Luis Obispo Straw Ridge Rd at Hwy 41, Creston (APN 004-943-005. Creston USGS 7.5' quad 351 Comment
  UCR28903  Rigiopappus leptocladus David J. Keil, Melissa Luckow, R. A. Pimentel, R. Riggins-Pimentel 1981-4-24 14525 San Luis Obispo S of Shandon, at junction of Shell Creek Road and Calif. Hwy 58 423 Comment
  OBI37089  Rorippa palustris subsp. palustris Eric Wise 1983-7-13 1726 San Luis Obispo Pismo Lake. Pismo Beach Comment
  UC1789005  Rosa californica Barbara Ertter 1996-6-17 14886 a San Luis Obispo San Simeon State Park north of Cambria, distinctive outcrop just off main trail in northeast corner of park. Comment
  UC55321  Rosa californica J. H. Barber 1898-7-20 San Luis Obispo Santa Inez Canyon Comment
  UC1296075  Rosa spithamea R. F. Hoover 1946-8-26 6348 San Luis Obispo near Sunnyside School; Osos Valley Comment
  OBI27554  Rubus ursinus Melinda Doud 1976-4-20 3 San Luis Obispo Near crk in Clark Cyn 91 Comment
  POM261517  Rubus ursinus Alice Eastwood, John T. Howell 1938-6-14 5938 San Luis Obispo Serrano Canyon Comment
  OBI8507  Rumex acetosella Dave Imper 1976-12-27 18 San Luis Obispo Price Cyn Tarsands Project. 1 mi SW of Hwy 227 on Price Cyn Rd 76 Comment
  UC1136208  Rumex acetosella H. C. Lee 1936-3-25 536 San Luis Obispo 0.75 mi se Pismo; San Luis Obispo National Forest, Arroyo Grande Quad. 30 Comment
  UC1735908  Rumex acetosella Dean W. Taylor 1971-4-25 1028 San Luis Obispo Montana de Oro State Park 30 Comment
  CAS-BOT-BC422073  Rumex acetosella Ernest C. Twisselmann 1965-11-2 11691 San Luis Obispo Arroyo de la Cruz (between Highway 1 and the ocean). 15 Comment
  CDA2878  Rumex acetosella G. D. Barbe 1974-5-16 1790 San Luis Obispo Southwest corner of Frontage Road and Juniper Street, Nipomo. 0 Comment
  OBI35754  Rumex acetosella Allison Berry 1984-4-10 99 San Luis Obispo Camp San Luis Shooting Facility 6.5 mi N of San Luis Obispo on hwy 1 Comment
  UCD101052  Rumex acetosella G. T. Nordstrom 1937-5-24 1275 San Luis Obispo San Luis Obispo County.: 0.8 mile west southeast of Asuncion School, Adelaida. 365 Comment
  OBI31697  Rumex conglomeratus Smeltzer, Turnquist 1982-5-19 142 San Luis Obispo Along the Laguna Lake paved rd and the NE shoreline of lake Comment
  OBI29024  Rumex crassus Melissa Luckow 1981-6-25 708 San Luis Obispo N of San Simeon Beach Comment
  CAS-BOT-BC433352  Rumex crispus John Thomas Howell 1964-6-29 40782 San Luis Obispo Cambria Comment
  OBI32987  Rumex occidentalis David J. Keil 1983-5-22 17068 San Luis Obispo Vicinity of Arroyo de la Cruz, N of San Simeon Comment
  UCD101397  Rumex patientia Mrs. B. S. Mac Lean 1932-7-11 4 San Luis Obispo San Luis Obispo County: La Panya. Comment
  UC454360  Rumex pulcher E. P. Unangst 1906-5-14 San Luis Obispo Oak Park Comment
  OBI82604  Rumex salicifolius David J. Keil, with Kathleen Keil 2016-6-26 33269 San Luis Obispo Santa Rita Road west of Templeton 275 Comment
  CAS-BOT-BC433989  Rumex salicifolius Ernest C. Twisselmann 1955-10-1 2431 San Luis Obispo Southwest end of Morro Bay 0 Comment
  UCSB24516  Rupertia physodes Havlik, Neil 1969-5-2 San Luis Obispo Andre Ranch, in Upper Coon Creek Canyon 365 Comment
  CDA876  Ruppia maritima G. D. Barbe 1978-11-2 2466 San Luis Obispo Shallow saline water, S end of Soda Lake, at junction of county roads, about 20 km SE of California Valley. 0 Comment
  SEINET2442460  Ruppia maritima David Keil, Kathleen Keil 2003-9-1 30287 -1 San Luis Obispo Open brackish waters of Morro Bay. In several feet of water at high tide.; 0 Comment
  OBI36121  Sagina apetala David J. Keil 1985-3-31 s.n. San Luis Obispo San Luis Obispo Comment
  SBBG44798  Sagina maxima subsp. crassicaulis R. Hoffmann 1931-5-30 369 San Luis Obispo near coast, Oceano Comment
  OBI17195  Salicornia pacifica Robert F. Hoover 1965-9-22 9640 San Luis Obispo Morro Bay, just S of mouth of Chorro Crk Comment
  OBI5030  Salicornia pacifica Robert J. Rodin 1956-5-22 6064 San Luis Obispo Morro Bay State Park, near bay Comment
  CAS-BOT-BC103270  Salix bonplandiana Ernest C. Twisselmann 1969-7-12 15668 San Luis Obispo Sag pond on the San Andreas Fault near the summit of Choice Valley 701 Comment
  CAS-BOT-BC103395  Salix breweri Alice Eastwood 1929-3-7 16862 San Luis Obispo Chorro Creek, San Luis Obispo Comment
  SBBG119718  Salix breweri M. Wetherwax, E. Painter 2002-7-2 SLO 289 San Luis Obispo crk above Chorro Crk bog thistle exclosure; Camp San Luis Obispo 260 Comment
  OBI9812  Salix exigua Robert F. Hoover 1964-6-7 8996 San Luis Obispo San Carpoforo Crk just above Windy Point Comment
  OBI58744  Salix gooddingii David J. Keil 1998-6-8 27720 San Luis Obispo Along Bitterwater Rd. in Choice Valley. Vicinity of Grant Lake. T27S R17E Sect.9 Comment
  SBBG130670  Salix gooddingii D. J. Keil 2001-5-10 29439 San Luis Obispo Bitterwater Rd, 12.3 rd mi N from Hwy 58 Comment
  SBBG27476  Salix laevigata I. L. Wiggins 1932-3-21 5818 San Luis Obispo Bitterwater Valley, between Cholame and Annette Comment
  OBI9841  Salix laevigata Robert F. Hoover 1953-5-16 8200 San Luis Obispo Grant Lake on margin of dry lakebed Comment
  OBI36893  Salix lasiolepis Eric Wise 1981-7-26 955 San Luis Obispo Poly cyn, Cal Poly campus Comment
  OBI36901  Salix lasiolepis Eric Wise 1982-6-25 1560 San Luis Obispo Pismo State Beach , Oceano campground Comment
  OBI36902  Salix lasiolepis Eric Wise 1982-6-25 1568 San Luis Obispo Pismo State Beach , Oceano campground Comment
  OBI9827  Salix lasiolepis Robert F. Hoover 1967-5-6 10557 San Luis Obispo White Lake (S of Arroyo Grande) Comment
  UC1135032  Salix lasiolepis B. Bolt 1936-4-24 689 San Luis Obispo 1 mi nw Atascadero; San Luis Obispo Quadrangle Comment
  OBI36899  Salix lasiolepis Eric Wise 1982-6-24 1515 San Luis Obispo Warden Lake Comment
  OBI37205  Salix lasiolepis Eric Wise 1983-3-12 1700 San Luis Obispo Arroyo Laguna. 15.2 mi S of Monterey Border Comment
  OBI80348  Salix lasiolepis Kristen M. Nelson 2014-2-9 9 San Luis Obispo Ca. 11 miles SW of downtown San Luis Obispo, ca. 3 driving miles southeast of CA-227 on Corbett Canyon Road. 116 Comment
  OBI9831  Salix lasiolepis Jay B. Hunt 1955-11-1 s.n. San Luis Obispo Cal Poly, Crk Comment
  RSA659109  Salix lasiolepis David J. Keil 1996-3-14 25796 -2 San Luis Obispo N Base. El Rancho Rd. 1.1 miles N of railroad crossing S of Point Sal. Comment
  UC2013210  Salix lasiolepis David Keil 1996-3-14 25796 -2 San Luis Obispo North Base. El Rancho Road 1.1 mi N of railroad crossing south of Point Sal. Comment
  UCR265753  Salix sitchensis Mark A. Elvin, Michael Brady, Jason Storlie 2014-9-16 7630 San Luis Obispo Central Coastal: Santa Maria River Valley, Guadalupe Dunes, Guadalupe-Nipomo Dunes National Wildlife Refuge, Myrtle Pond wetland, c. 250 m from Pacific Ocean 9 Comment
  CAS-BOT-BC126474  Salix sitchensis R. Bacigalupi 1949-4-5 3076 San Luis Obispo Along Santa Rosa Creek, 3 miles above Cambria Comment
  CDA17490  Salsola tragus G. F. Hrusa, P. Akers 2005-9-29 16821 San Luis Obispo Carrizo Plain; S end of Elkhorn Plain. 762 Comment
  OBI79911  Salsola tragus D. R. Miller 2013-9-29 913 .1081 San Luis Obispo Common along Railroad tracks, from Paso Robles along tracks between 13th and 14th street. 300 Comment
  CAS-BOT-BC94566  Salvia carduacea R. C. Wenk 2007-4-10 617 San Luis Obispo Carrizo Plain National Monument. Swain pasture, along Soda Lake Road, 3.75 miles E of turnoff to KCL campground, then 624 Comment
  UCR159224  Salvia carduacea George K. Helmkamp, E. A. Helmkamp 2005-4-22 9421 San Luis Obispo East side of Inner South Coast Ranges, Carrizo Highway at mile 38 (Calif. Hwy 58, east of Santa Margarita and west of Simmler-Bitterwater Road) 610 Comment
  OBI55632  Salvia columbariae David J. Keil 1989-6-3 21226 San Luis Obispo Between Atascadero and Morro Bay along Calif hwy 41; 0.4 mi S of hwy at Cerro Alto campground Comment
  RSA0042401  Salvia columbariae LeRoy Gross, Pam DeVries, Melinda Elster 2014-5-21 6519 San Luis Obispo La Panza Range: Western side of the Machesna Mountain Wilderness. American Canyon Campground., Near 35.28461N 120.26558W. Follow trail up to last creek crossing, below stock pond. Near the main ridge line. Ended near 35.29415N 120.23097W. 538 Comment
  OBI27084  Salvia mellifera Jim Souza 1981-1 s.n. San Luis Obispo Grover City Comment
  OBI42169  Salvia mellifera Dan Harrington 1984-2-29 30 San Luis Obispo Poly Cyn, SLO Comment
  OBI4932  Salvia mellifera Robert F. Hoover 1967-2-18 10208 San Luis Obispo Diablo Cyn, San Luis range Comment
  CAS-BOT-BC230021  Salvia mellifera H. E. McMinn 1923-6-21 1159 San Luis Obispo About Camp Fremont Comment
  OBI35659  Salvia mellifera S. M. Inman 1983-4-25 15 San Luis Obispo Pecho Study site; 1/2 mi S on Pecho Valley rd past jctn of Pecho rd. Right on dirt road after 'deer' sign, to S of dirt road 49 Comment
  OBI70124  Salvia mellifera Bernard Miossi 1939-4-8 62 San Luis Obispo 1 mi N of San Luis Obispo and 1/2 mi N W of San Luis Creek Comment
  RSA191892  Salvia mellifera Percy C. Everett 1963-4-20 31588 San Luis Obispo Cuesta Ridge, ca. 3 miles NW of Cuesta Pass. 610 Comment
  OBI13516  Salvia spathacea Robert J. Rodin 1954-4-3 5945 San Luis Obispo E side of Bishop's Peak, San Luis Obispo Comment
  OBI69774  Salvia spathacea D. R. Miller 1993-5-15 593 -5 San Luis Obispo Pine Mt Region. Down Tobacco ridge rd, just above 'Clinic' cabin 518 Comment
  UC1125364  Sambucus mexicana H. C. Lee 1936-6-2 652 San Luis Obispo 1 mi nw Oceano; Arroyo Grande Quadrangle 7 Comment
  OBI20092  Sambucus nigra subsp. caerulea Monna Haugen 1971-5-10 7 San Luis Obispo Poly Canyon, approx. 1/2 mi N of Cal Poly campus Comment
  OBI74413  Sambucus nigra subsp. caerulea Theo Fitanides 2010-4-23 136 San Luis Obispo Tierra Redonda mtn. 579 Comment
  OBI8757  Sanicula arguta Robert F. Hoover 1968-3-9 10899 San Luis Obispo Pennington crk, Camp SLO Comment
  RSA215956  Sanicula arguta Robert F. Hoover 1958-3-6 8412 San Luis Obispo Between Morro Bay and Cayucos (south of mouth of Toro Creek). Comment
  UC2013174  Sanicula arguta David Keil 1979-7-1 13121 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  POM98659  Sanicula arguta P. A. Munz 1925-11-25 9258 San Luis Obispo Pismo Creek. Comment
  UC1292069  Sanicula arguta R. F. Hoover 1958-3-3 8410 San Luis Obispo Steiner Creek at mouth of Serrano Canyon Steiner Creek; Serrano Canyon, Steiner Creek Comment
  SBBG112426  Sanicula bipinnata D. Keil, K. Keil 1997-3-8 26076 San Luis Obispo junction of Red Hill Rd and St Hwy 58 Comment
  POM98149  Sanicula bipinnata P. A. Munz 1925-3-25 9208 San Luis Obispo Morro Creek 457 Comment
  OBI31347  Sanicula bipinnatifida Joy Nishida, Robert Allen 1982-4-10 224 San Luis Obispo 1.5 mi S of American cyn campground, at unlocked gate onside of dirt road 506 Comment
  OBI78558  Sanicula bipinnatifida David J. Keil 1998-4-14 26718 San Luis Obispo Los Padres N.F. hills N of Cuyama River, near Adobe trailhead; 6.3 mi NE of junction with Tepesquet Canyon Rd on Hwy.166. Comment
  OBI34289  Sanicula bipinnatifida David J. Keil, V. L. Holland, C. D. Hynes, R. Gambs, and M. Borchard 1982-3-24 15778 San Luis Obispo Vicinity of American cyn in the La Panza mtns. Comment
  OBI55098  Sanicula crassicaulis L. Constance, Robert F. Hoover 1950-6-20 3349 San Luis Obispo Paso Robles crk, 5.5 mi W of Templeton on Cayucos Rd. 305 Comment
  OBI66676  Sanicula crassicaulis Austin P. Griffiths 1981-12-13 s.n. San Luis Obispo Upper portion of E Hazard Cyn trail Comment
  SEINET13945183 Image available Sanicula crassicaulis G. K. Helmkamp, E. A. Helmkamp 2002-1 7405 San Luis Obispo Central coast: Park Ridge 0.5 mi E of Morro Bay near Turri Road. 76 Comment
  UC794419  Sanicula crassicaulis Lincoln Constance, Richard W. Holm and Carroll E. Wood Jr. 1949-4-23 3269 San Luis Obispo 2 mi w of San Luis Obispo (along Steiner Creek); Steiner Creek Comment
  OBI8780  Sanicula hoffmannii Robert F. Hoover 1947-5-31 7253 San Luis Obispo Rinconada Mine (west of Pozo) Comment
  UCR15012  Sanicula hoffmannii George K. Helmkamp 1976-5-23 s.n. San Luis Obispo Avila Rd turnoff from US Hwy 101 32 Comment
  JEPS98636  Sanicula hoffmannii M. J. Gomez, O. Gomez and P. Vargas 1996-4-27 20 PV96 San Luis Obispo San Simeon Creek at mouth, North and South Fork Creeks Cambria 500 Comment
  OBI26148  Sanicula laciniata David J. Keil, Malcolm McLeod, Melissa Luckow, Julie Vanderwier, et al. 1980-5-18 14035 San Luis Obispo CNPS photography committee field trip to Arroyo de la Cruz. Ca. 1 mi E of Calif rte 1 on Hearst Ranch Comment
  OBI51399  Sanicula laciniata Jan Barber 1994-3-22 123 San Luis Obispo San Simeon State Park. Comment
  OBI77079  Sanicula laciniata David J. Keil 1998-3-27 26493 San Luis Obispo Montana de Oro State Park. Slopes W of Valencia Peak burned over in summer 1997. 244 Comment
  UC126751  Satureja mimuloides I. J. Condit 1908-10-21 14 San Luis Obispo San Luis Obispo Comment
  OBI8748  Scandix pecten-veneris Burr Clouette 1950-4-11 s.n. San Luis Obispo Cayucos Comment
  OBI20456  Schinus molle R. A. Hays 1957-11-10 s.n. San Luis Obispo Comment
  OBI64995  Schismus barbatus Greg Wilvert 2005-4-5 129 San Luis Obispo SE Half of the Caliente Range. 1.5 km S of Soda Lake Rd along Padrones Cyn rd 806 Comment
  CAS-BOT-BC111406  Schoenoplectus acutus var. occidentalis R. F. Hoover 1969-7-13 11464 San Luis Obispo Atascadero Comment
  OBI5040  Schoenoplectus acutus var. occidentalis Robert J. Rodin 1956-5-22 6069 San Luis Obispo Near Atascadero Comment
  OBI20283  Schoenoplectus americanus David J. Keil, Malcolm McLeod 1979-5-12 13064 San Luis Obispo Along eastern side of Shark Inlet at S end of Morro Bay Comment
  OBI79882  Schoenoplectus americanus David J. Keil 2012-7-26 31477 San Luis Obispo Los Osos. Morro Bay salt marsh and fringe of freshwater marsh from Los Osos Creek estuary to base of El Morro Elfin Forest, west of South Bay Blvd. 2 Comment
  OBI35213  Schoenoplectus californicus Eric Wise 1982-7-2 1599 San Luis Obispo Oso Flaco Lake Comment
  SD75739  Schoenoplectus californicus D. W. Taylor 1970-6-22 T 70 117 San Luis Obispo Forming dense marginal belt and in small clusters in middle of Eto Lake, 1 mile east of Baywood Park. Comment
  RSA0018565  Schoenoplectus californicus W. R. Ferren, Hamilton 1993-7-19 EPA- 89 San Luis Obispo Los Osos Creek. S margin of estuary of Los Osos Creek, E of bridge. Comment
  CAS-BOT-BC363271  Senecio aronicoides Gertrude Sinsheimer 1937-5-10 s.n. San Luis Obispo Between Morro & Atascadero Comment
  CAS-BOT-BC327409  Senecio astephanus H. Bryan Reed 1940-6-3 s.n. San Luis Obispo Old Atascadero Road Comment
  RSA472977  Senecio blochmaniae E. A. Purer 1932-8-27 4785 San Luis Obispo N of Guadalupe. Comment
  CDA15187  Senecio breweri G. F. Hrusa 1998-4-27 14295 San Luis Obispo Caliente Range; Lower Goat Springs Canyon, approx. 2 mi. W of Soda Lake Rd. Comment
  UC1070133  Senecio californicus G. T. Nordstrom 1937-6-1 1293 San Luis Obispo 1.5 mi ne Mammoth Rock School; Adelaida Quad. Comment
  UC1314942  Senecio californicus R. F. Hoover 1967-5-6 10539 San Luis Obispo dry sand-flats at Jack Lake Comment
  OBI15506  Senecio douglasii var. douglasii Robert F. Hoover 1965-9-18 9579 San Luis Obispo Morano Canyon, E of Santa Margarita Comment
  OBI75241  Senecio flaccidus var. douglasii Michael Walgren 2011-8-12 261 San Luis Obispo Santa Maria River at hwy 1 among the rip-rap on the SE corner Comment
  SBBG117899  Senecio flaccidus var. douglasii E. Painter 2001-7-24 CR 257 San Luis Obispo S side of Boy Scout Rd, above Nacimiento River; Camp Roberts 194 Comment
  CAS-BOT-BC364621  Senecio vulgaris Clare B. Hardham 1956-4-4 388 San Luis Obispo Santa Lucia Mountains. Marquart Ranch, Cayucos Road Comment
  UC1285140  Senna multiglandulosa R. F. Hoover 1964-1-19 8626 San Luis Obispo San Luis Range, Lower Coon Creek Lower Coon Creek; San Luis Range, Lower Coon Creek Comment
  CAS-BOT-BC240175  Setaria verticillata Ernest C. Twisselmann 1953-9-9 761 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch, eastern San Luis Obispo County Comment
  OBI54987  Sidalcea hickmanii subsp. parishii David J. Keil, with Karen Danielson, Clifton Smith and Jeanette Sainz 1997-5-15 26257 San Luis Obispo Los padres national forest. la panza mountains. fringe of machesna mountain wilderness. ridge along road past castle crags and slopes below to south. area drained by small stream in canyon. 732 Comment
  UC583370  Sidalcea malviflora subsp. laciniata Alice Eastwood, John Thomas Howell 1936-5-9 2377 San Luis Obispo near Nacimiento River (on road from Adelaida to Pleyto); near Nacimiento River, rd fr Adelaida to Pleyto Comment
  OBI57304  Silene antirrhina David J. Keil 1998-4-9 26617 San Luis Obispo USFS trailhead area on Hwy 166 NE of Tepesquet Canyon Rd. Comment
  OBI28246  Silene gallica Krystoff/Spaspo 1982-4-18 46 San Luis Obispo 22 mi E of Arroyo Grande 762 Comment
  RSA0077153  Silene laciniata Michael J. Moore, Hilda Flores Olvera, Helga Ochoterena, Ya Yang, Tommy Stoughton 2015-6-4 3200 San Luis Obispo Montana de Oro State Park: Along path from parking lot at end of Sand Spit Rd. to beach, approx. 100 yards from parking lot. 38 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
  OBI14955  Sisymbrium irio Robert F. Hoover 1967-4-9 10389 San Luis Obispo Carrizo Plain, S of Soda Lake Comment
  OBI81065  Sisymbrium orientale Michael Walgren 2015-2-14 450 San Luis Obispo Santa Maria river just west of Highway 101 62 Comment
  OBI60640  Sisyrinchium bellum David J. Keil 1986-4-13 19161 San Luis Obispo Along Pozo Rd, 0.5 mi NW of Rinconada Mine entrance on SW side of hwy Comment
  RSA0042910  Sisyrinchium bellum LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-29 6286 San Luis Obispo East end of the Santa Lucia Wilderness. Started at locked gate to lookout on Hi Mountain, then south southeast to Hi Valley, then east to Road 30S05.2., Trail started near 35.26052N 120.42981W. ended at 35.24926N 120.38324W. T31S R15E S8 NE1/4. 558 Comment
  SBBG95670  Sisyrinchium bellum J. Eliot 1986-5-21 2 San Luis Obispo 1 mi W of TV Tower Rd off US Hwy 101 N of San Luis Obispo Comment
  UC1032520  Sisyrinchium bellum N. K. Carlson 1936-3-29 264 San Luis Obispo 3.4 mi ne of Atascadero 487 Comment
  OBI32980  Sisyrinchium bellum David J. Keil, Malcolm McLeod, and CNPS Rare Plant Committee 1983-5-1 16957 San Luis Obispo Ridge system and coastal terr between Arroyo de la Cruz and Arroyo de los Chinos Comment
  OBI80632  Solanum americanum David J. Keil 1992-11-1 San Luis Obispo Laguna Lake. Comment
  OBI37276  Solanum douglasii Eric Wise 1982-4-29 1436 San Luis Obispo Poly Cyn. Cal Poly Campus Comment
  UC577721  Solanum douglasii H. C. Lee 1936-2-24 417 San Luis Obispo 2 mi se of Pichacho (ne of Los Berros) 152 Comment
  UC577722  Solanum douglasii B. Bolt 1936-1-14 529 San Luis Obispo 2 mi se of mouth of Osos Creek 45 Comment
  UCR140112  Solanum douglasii George K. Helmkamp 2004-2-11 8282 San Luis Obispo Central Coast, Nipomo Mesa, Willow Rd, 0.6 mi east of Calif. Hwy 1 125 Comment
  UCR91834  Solanum douglasii George K. Helmkamp 1996-5-25 1055 San Luis Obispo Central Coast, between CA Hwy 1 and the ocean, 1.5 miles north of Piedras Blancas lighthouse near the northern border of the county 15 Comment
  OBI26490  Solanum douglasii Kathlene Henry 1979-8-4 30 San Luis Obispo San Luis Obispo County Park. Loomis Ave 37 Comment
  OBI66091  Solanum douglasii D. R. Miller 1995-11-20 1195 -604 San Luis Obispo Pine Mt Region. Creekway at Egebergs water dam, San Simeon crk drainage 610 Comment
  OBI9141  Solanum umbelliferum Robert F. Hoover 1949-4-21 7605 San Luis Obispo La Panza district Comment
  UC1125053  Solanum umbelliferum H. C. Lee 1937-5-23 974 San Luis Obispo 4 1/4 mi wsw of Templeton 335 Comment
  UC577928  Solanum umbelliferum T. M. Hendrix 1937-5-4 145 San Luis Obispo 2 mi s of El Dorado School 502 Comment
  CAS-BOT-BC157606  Solanum umbelliferum Ernest C. Twisselmann 1955-5-27 2037 San Luis Obispo La Panza Range. Ridge south of upper Cammatta Canyon Comment
  OBI58811  Solanum umbelliferum David J. Keil 1998-6-1 27579 San Luis Obispo E of Templeton on Lowes Canyon Rd., just S. of Monterey Co. line. Comment
  UCR103804  Solanum xanti George K. Helmkamp 1997-3-8 1459 San Luis Obispo Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd. 107 Comment
  OBI62444  Solanum xanti Bernard Miossi 1939-4-8 66 San Luis Obispo On E facing slope of hill 1 mi N of San Luis Obispo and 1/4 mi NW of Hwy 101 76 Comment
  OBI7348  Solanum xanti Mark Fresh 1976-2-25 13 San Luis Obispo 8 mi into See Cyn Comment
  SEINET7262062 Image available Solanum xanti A. L. Moldenke, H. N. Moldenke 1976-4-18 30510 San Luis Obispo W of California Valley on Rte. 58 Comment
  CAS-BOT-BC365336  Solidago confinis R. F. Hoover 1966-10-1 10097 San Luis Obispo Upper Arroyo Grande at confluence of Phoenix Creek Comment
  OBI79072  Solidago confinis David J. Keil 2013-8-19 31891 San Luis Obispo Morro Bay State Park portion of El Morro Elfin Forest, Los Osos 5 Comment
  SBBG19954  Solidago confinis E. R. Chandler 1964-3-6 2353 San Luis Obispo adjacent to Oso Flaco Lake Comment
  JEPS31030  Solidago confinis Ernest C. Twisselmann 1959-11-2 5892 San Luis Obispo Shandon 4 Comment
  SBBG93990  Sonchus asper S. A. Junak, T. Ayers 1989-6-22 4070 San Luis Obispo Cuesta Ridge along main rd, 1.3 mi W of E boundary for the Cuesta Ridge Botanical Area, ca. 4.3 mi W of US Hwy 101 749 Comment
  CAS-BOT-BC374488  Sonchus asper T. Winfield 1974-8-28 1178 San Luis Obispo Near Morro Bay, PG&E power plant Comment
  OBI15385  Sonchus oleraceus Bob Everett 1964-2-16 2 San Luis Obispo Poly Cyn, Cal Poly, San Luis Obispo Comment
  UC1070275  Sonchus oleraceus N. K. Carlson 1936-3-22 207 San Luis Obispo 1 mi sse Miles; Arroyo Grande Quad. 45 Comment
  UC455896  Sonchus oleraceus I. J. Condit 1910-10-15 San Luis Obispo California Polytechnic School Comment
  OBI33591  Sonchus oleraceus Melissa Luckow, Jerry Rendon 1980-5-20 60 San Luis Obispo Poly Cyn, near the end of the rd on the N side Comment
  RSA648956  Sorghum halepense Andrew Rybak 1972-8-28 9 San Luis Obispo Near Foothill and railroad tracks in San Luis Obispo Comment
  POM312953  Sparganium erectum subsp. stoloniferum Malcolm A. Nobs, S. Galen Smith 1949-6-23 853 San Luis Obispo Oso Flaco Lake, ca. 4 miles northwest of Guadalupe. Comment
  OBI79765  Sparganium eurycarpum David J. Keil 2012-7-18 31463 San Luis Obispo 1550 Highway 1, north of Oso Flaco Lake Road 22 Comment
  SEINET3928173  Sparganium eurycarpum David J. Keil 2012-7-14 31403 San Luis Obispo San Luis Obispo. Intersection of Los Osos Valley Road and US 101 at southbound on-ramp.; 0 32 Comment
  OBI79672  Sparganium eurycarpum D. R. Miller 2014-8-23 814 -1095 San Luis Obispo Localized along creek bank at beach mouth. 1.4 miles north of Hearst Castle entrance 10 Comment
  OBI44991  Spartium junceum David J. Keil 1984-7-19 18299 San Luis Obispo Cal Poly Campus, SLO Comment
  OBI17392  Spergula arvensis Betty Sheehan 1957-10-18 23 San Luis Obispo Poly Cyn, Cal Poly campus Comment
  SBBG113557  Spergula arvensis C. B. Hardham 1957-3-6 1541 San Luis Obispo Cambria Comment
  CAS-BOT-BC390005  Spergula arvensis John Thomas Howell 1964-6-29 40833 San Luis Obispo Near St. Paul's Episcopal Church, Cambria Comment
  OBI61062  Spergula arvensis P. A. Holden 1968-11-22 628 San Luis Obispo 168 N. Third St in Grover city Comment
  OBI80077  Spergularia bocconi David J. Keil 2000-5-27 28761 San Luis Obispo Santa Margarita Ranch, just north of 5 Mile Bridge, ca. 4 miles s of railroad crossing in Santa Margarita and westward along ranch roads. 366 Comment
  SBBG94326  Spergularia bocconi T. J. Ayers with S. Junak 1989-6-22 767 San Luis Obispo slopes below TV towers at eastern edge of Botanical Area, ca. 2.7 mi W of Hwy 101 just E of West Cuesta Ridge Rd Comment
  CAS-BOT-BC390196  Spergularia bocconi Ernest C. Twisselmann 1969-4-14 15119 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston 419 Comment
  RSA139922  Spergularia macrotheca Clare B. Hardham 1960-4-2 5286 San Luis Obispo Cambria. The Santa Lucia Mtns. Comment
  SEINET8883914  Spergularia macrotheca J. H. Barber 1899-5-22 s.n. San Luis Obispo Near Morro. Comment
  CAS-BOT-BC390443  Spergularia macrotheca var. macrotheca Alice Eastwood 1928-5-19 s.n. San Luis Obispo Morro Bay, San Luis Obispo Comment
  CAS-BOT-BC390910  Spergularia marina R. F. Hoover 1964-6-10 9013 San Luis Obispo Avila Comment
  OBI77913  Spergularia marina George Butterworth 1995-4-10 36 San Luis Obispo Carrizo Plain Natural Area. T32S, R21E, S6, SW Qtr. Beside Panorama Rd 1.3 mi N of Soda Lake Rd 589 Comment
  OBI73075  Sporobolus cryptandrus David J. Keil 2000-5-31 28792 San Luis Obispo Highway 46 between Cambria and Paso Robles, ca. 12 miles east from junction with Highway 1 Comment
  OBI32954  Stachys ajugoides David J. Keil 1983-5-22 17069 San Luis Obispo Vicinity of Arroyo de la Cruz N of San Simeon Comment
  OBI29566  Stachys bullata Melissa Luckow 1981-6-25 682 San Luis Obispo Just N of San Simeon Beach Comment
  SBBG93609  Stachys bullata S. A. Junak, T. J. Ayers 1989-4-12 3949 San Luis Obispo just N of main rd (USFS Rd 29S11.3), on slopes just NW of KSBY Television towers at E end of Cuesta Ridge Botanical Area 749 Comment
  SEINET5103797  Stachys bullata Unknown 1995-4-14 1342 San Luis Obispo E of Nipomo, along Hwy 166, just E of Suey Creek Rd. Comment
  OBI59618  Stachys bullata David A. Young, S. A. Junak and T. J. Ayers 1989-4-27 1940 San Luis Obispo 0.1 mi W of sign denoting W end of the Cuesta Ridge Botanical area, along rd Comment
  UCSB5858  Stachys bullata Ralph, F. 1959-4-12 San Luis Obispo along hillside of Hwy 1; 13.2 miles N of San Simeon 60 Comment
  SBBG91406  Stachys chamissonis C. F. Smith 1951-4-19 3046 San Luis Obispo Hwy 1 in Black Lake Cyn, Nipomo Mesa Comment
  SBBG103501  Stachys pycnantha C. F. Smith 1993-6-15 12486 San Luis Obispo Branch Crk Rd, 4.3 mi from Hwy 166 Comment
  OBI13459  Stachys pycnantha Robert F. Hoover 1946-8-24 6324 San Luis Obispo Near Laguna near San luis Obispo Comment
  UC124228  Stachys pycnantha E. Palmer, M. D. June, 1876 369 San Luis Obispo District of San Luis Obispo. Comment
  UC1285262  Stachys pycnantha R. F. Hoover 1947-6-6 7273 San Luis Obispo West of summit Cottonwood Pass. Comment
  UC1126937  Stanleya pinnata A. E. Wieslander 1929-6-5 92 San Luis Obispo Santa Maria Cuyama Road Lompoc Quad. Comment
  CAS-BOT-BC374866  Stebbinsoseris heterocarpa R. F. Hoover 1967-4-14 10443 San Luis Obispo Hill west of Poly Canyon, San Luis Obispo Comment
  UCR266647  Stebbinsoseris heterocarpa David J. Keil 1998-4-14 26731 San Luis Obispo Los Padres National Forest. Hills north of Cuyama River, near Adobe trailhead, 6.3 mi northeast of junction with Tepusquet Canyon Road on Hwy 166 395 Comment
  OBI47101  Stellaria nitens Lynne Dee Oyler 1988-4-5 388 b San Luis Obispo Amer Cyn blue oak study site in cattle exclosure. Los Padres Natl Forest. S1/2 SW 1/4, Sec 28, R16E, T30S, MDBM Comment
  OBI66655  Stellaria nitens D. R. Miller 1994-4-19 494 -213 San Luis Obispo Pine Mt Region, on rd cut edge, Ridge rd +/- 100m S of Hearst Gate, Tobacco Crk drainage Comment
  OBI55350  Stellaria pallida David J. Keil 1998-5-20 27338 San Luis Obispo Los Padres National Forest. Vicinity of trailhead, about 11 mi. NE of junction with Tepusquet Canyon Road along Hwy 166. Comment
  UC1583629  Stephanomeria elata David Keil 1986-10-13 19782 San Luis Obispo Sweet Springs area, on s shore of Morro Bay Morro Bay 5 Comment
  CAS-BOT-BC375257  Stephanomeria elata R. F. Hoover 1946-8-8 6278 San Luis Obispo North end of Morro Bay on beach or bluff just above it Comment
  SEINET196442  Stephanomeria exigua subsp. carotifera R. F. Hoover 1946-8-8 6278 San Luis Obispo North end of Morro Bay. On beach and bluff just above it. Comment
  OBI15419  Stephanomeria exigua subsp. coronaria Robert F. Hoover 1969-9-9 11575 San Luis Obispo Santa Lucia Range. 4 mi W of Paso Robles on rd to Nacimiento Dam Comment
  CAS-BOT-BC322904  Stephanomeria pauciflora Ernest C. Twisselmann 1962-8-23 7686 San Luis Obispo Hills at the summit of Palo Prieta Canyn, Temblor Range and the Western San Joaquin Valley 640 Comment
  OBI57074  Stipa lepida Danielle DeRome 1994-4-16 4169442 San Luis Obispo Collected adj to the Cuesta West loop foot trail on exposed ENE facing slope above Cal Poly Botanic Garden Comment
  OBI80716  Stipa miliacea David J. Keil 1992-10-19 23839 San Luis Obispo Laguna Lake Park. Prefumo Canyon inlet. 35 Comment
  OBI47376  Stipa pulchra David J. Keil 1985-3-26 18472 San Luis Obispo Lodge HIll subdivision area of Cambria Comment
  OBI51234  Stipa pulchra Jan Barber 1994-3-22 126 San Luis Obispo San Simeon State Park. Between Washburn campground and southern drainage Comment
  RSA130658  Streptanthus glandulosus R. W. Summers 1882-4-21 s.n. San Luis Obispo Slope of S. Lucia Mountain Comment
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May 28 2014
  CAS-BOT-BC87193  Streptanthus glandulosus subsp. glandulosus W. P. Vestal; A. G. Vestal 1947-4-18 s.n. San Luis Obispo 1.3 mile north of San Luis Obispo and about 0.4 mile east of US Highway 101. Comment
  SBBG18659  Stuckenia pectinata M. A. Piehl 1963-8-4 63776 San Luis Obispo Oso Flaco Lake 3 Comment
  SBBG123044  Stylocline masonii D. Keil 1998-6-5 27616 San Luis Obispo Hwy 58, 0.4 mi W of jct with Shell Crk Rd Comment
  CDA16332  Stylomecon heterophylla G. F. Hrusa 2000-4-1 15319 San Luis Obispo Carrizo Plain; Hills above and to W of Swain Pasture. 762 Comment
  SBBG93731  Stylomecon heterophylla S. A. Junak 1990-4-26 4197 San Luis Obispo near N boundary of Cuesta Ridge Botanical Area, ca. 0.4 mi S of Tassajera Crk Rd at S end of dirt rd on Ames property, which is ca. 1.8 mi W of intersection with Hwy 101 518 Comment
  OBI28843  Suaeda nigra David J. Keil, Melissa Luckow, Richard A. Pimentel, and Rhonda Riggins-Pimentel 1981-4-24 14466 San Luis Obispo Rd at S end of Soda lake ca 1/4 mi E of Soda Lake Rd Comment
  SBBG44671  Symphoricarpos mollis L. W. Edge 1972-4-4 104 San Luis Obispo N slope of Black Hill, Morro Bay 121 Comment
  OBI17006  Symphyotrichum chilense Robert F. Hoover 1965-9-29 9675 San Luis Obispo Tassajera Crk Comment
  CAS-BOT-BC99079  Symphyotrichum chilense Clare B. Hardham 1957-9-7 2600 San Luis Obispo Just north of Creston Comment
  CAS-BOT-BC99116  Symphyotrichum chilense Ernest C. Twisselmann 1969-11-28 16357 San Luis Obispo Temblor Range and the Western San Joaquin Valley - Loffaly Spring, hills at the head of Palo Prieta Canyon 640 Comment
  OBI8738  Tauschia hartwegii Robert F. Hoover 1947-3-29 6774 San Luis Obispo Atascaer Comment
  RSA522592  Tauschia hartwegii David J. Keil, R. Riggins, R. A. Pimentel, Michael Stiles, Joana Tomassacci 1987-5-17 20159 San Luis Obispo Los Padres national Forest, Cuesta East past end of road along fire trail in area burned by both the Gay mountain fire and the Las Pilitas fire. Comment
  OBI11978  Tetrapteron graciliflorum Robert F. Hoover 1949-5-15 7694 San Luis Obispo 14 mi E of Creston on La Panz Rd Comment
  UCR134432  Thalictrum fendleri var. polycarpum George K. Helmkamp, E. A. Helmkamp 2001-4-29 6559 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  UCD93385  Thinopyrum intermedium Ernest C. Twisselmann 1958-7-14 4546 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon. 701 Comment
  OBI79446  Thysanocarpus curvipes David J. Keil, with Matt Ritter, D. R. Miller, David & Linda Chipping, Brett Hall, Steve McCabe, and Jenn Yost 2013-5-7 31724 San Luis Obispo Along upper slopes of Santa Lucia Mountains along Tobacco Road, northeast from junction with Rocky Butte Truck Trail 800 Comment
  UC1296169  Thysanocarpus curvipes R. F. Hoover 1947-3-29 6784 San Luis Obispo Atascadero Comment
  OBI14853  Thysanocarpus laciniatus Robert F. Hoover 1967-3-22 10269 San Luis Obispo Hills at W edge of Carrizo Plain, W of Simmler Comment
  OBI27210  Thysanocarpus laciniatus Thomas Burrows 1981-4-9 126 San Luis Obispo Reservoir Cyn 168 Comment
  CAS-BOT-BC67157  Thysanocarpus laciniatus Lewis S. Rose 1936-5-8 36253 San Luis Obispo 7 miles east of Pozo. 518 Comment
  CAS-BOT-BC67161  Thysanocarpus laciniatus Mrs. R. W. Summers 1886-4-1 s.n. San Luis Obispo Suburb of San Luis Obispo. Comment
  OBI25507  Torilis arvensis David J. Keil 1981-6-22 14931 San Luis Obispo In fl bed on campus of Calif Polytech State Univ next to W end of Science N bldg. This species has persisted at this site for at least 3 yrs. Comment
  OBI47438  Torilis arvensis David J. Keil, Art Webster 1984-4-29 18188 San Luis Obispo Cyn bottom of Lopez Wilderness Area Comment
  OBI66196  Torilis arvensis D. R. Miller 1994-6-2 694 .409 San Luis Obispo Pine Mt Region. along rd side on main rd, near Egebergs water line; San Simeon crk drainage 610 Comment
  OBI80574  Torilis arvensis David J. Keil 1986-5-17 19479 San Luis Obispo Santa Margarita area; Rancho Santa Margarita Comment
  CAS-BOT-BC169235  Toxicodendron diversilobum Ernest C. Twisselmann 1968-5-13 14203 San Luis Obispo Head of Cammatta Canyon at the cottinham place - La Panza Range 609 Comment
  SD245190  Toxicoscordion fremontii Tyler Lutz 2013-3-2 8 San Luis Obispo Near Poly Canyon; East side of Poly P hill. 198 Comment
  CAS-BOT-BC377130  Tragopogon porrifolius John Thomas Howell 1964-6-29 40736 San Luis Obispo Adjacent to the Protestant Cemetery, about 1 mile north of Cambria Comment
  SD53104  Trichostema lanatum Darley F. Howe 1962-7-23 3345 San Luis Obispo Cuesta pass. Comment
  RSA42974  Trichostema lanatum Robert F. Hoover 1946-6-15 6150 San Luis Obispo Rinconada Mine, betw. Santa Margarita and Pozo. Comment
  SEINET12274321  Trichostema lanatum Unknown 1953-1 s.n. San Luis Obispo 6 mi W of Atascadero Comment
  UC716207  Trichostema lanatum Roxana S. Ferris 1939-6-2 9766 San Luis Obispo 13 mi E of Paso Robles (on the Paso Robles - Adelaide road) Comment
  OBI75275  Trichostema ovatum David J. Keil, with George Butterworth 2011-9-23 31101 San Luis Obispo Carrizo Plain. Padrones Road, south of Soda Lake Road near base of Caliente Range 835 Comment
  RSA733983  Trifolium D. M. McF 1953-6-3 s.n. San Luis Obispo Hearst Castle. San Simeon. Comment
  OBI31458  Trifolium albopurpureum Joy Nishida, Robert Allen 1982-4-10 249 San Luis Obispo American Cyn. Near stream in campground 524 Comment
  UC1583602  Trifolium albopurpureum var. albopurpureum David Keil with Lynne Dee Oyler 1986-5-21 19517 San Luis Obispo 3.6 mi s Santa Margarita (Santa Margarita Ranch, along Ranch Rd, in area that was locally the e boundary of the Las Pilitas fire of July 1985); Eastern base of Santa Lucia Mtns Comment
  JEPS99352  Trifolium albopurpureum var. dichotomum Clare B. Hardham 1961-4-14 7380 San Luis Obispo Cambria, Protestant cemetery Santa Lucia Mountains Comment
  RSA659241  Trifolium bifidum David J. Keil 1986-4-13 19156 San Luis Obispo Along Pozo Road, 0.5 miles NW of Rinconada Mine entrance on SW side of highway Comment
  SEINET7062897  Trifolium bifidum A. G. Vestal 1947-4-18 s.n. San Luis Obispo Serpentine at San Luis Obispo? (WGS84/NAD83). UTM Zone 10, 716125mE, 3906095mN. 523 Comment
  UC1549459  Trifolium depauperatum var. amplectens Barbara Ertter with D. Keil, J. Hickman, T. Sholars, et al. 1987-4-11 6850 San Luis Obispo 7 air mi n San Simeon (Arroyo de la Cruz, 1 mi from Hwy 1); Hearst Ranch Comment
  SBBG118098  Trifolium depauperatum var. truncatum E. L. Painter, M. Wetherwax 2000-3-21 SLO 51 San Luis Obispo K-1 Training Area, saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  RSA164401  Trifolium dichotomum Clare B. Hardham 1961-4-17 6843 San Luis Obispo Pine Mt. north of Cambria. 915 Comment
  OBI12687  Trifolium fucatum Robert F. Hoover 1969-4-22 11251 San Luis Obispo San Bernardo Crk E of Morro Bay Comment
  OBI12680  Trifolium gracilentum Robert F. Hoover 1948-4-17 7462 San Luis Obispo San Juan river S of Shandon Comment
  OBI60647  Trifolium gracilentum David J. Keil 1986-4-13 19151 San Luis Obispo Along Pozo Rd, 0.5 mi NW of Rinconada Mine entrance on SW side of hwy Comment
  SEINET7072792  Trifolium gracilentum var. gracilentum A. G. Vestal 1963-5-15 s.n. San Luis Obispo Ernest Ranch Gate. South of Route 41 [presently Route 46] and east of Paso Robles. Coordinate datum: NAD27. Comment
  OBI33085  Trifolium microcephalum David J. Keil 1983-4-23 16934 San Luis Obispo Vicinity of Arroyo de la Cruz. N of the Arroyo and W of hwy 1 Comment
  OBI12654  Trifolium olivaceum Robert F. Hoover 1966-4-23 9843 San Luis Obispo La Panza Range. American Cyn campground Comment
  OBI39681  Trifolium olivaceum David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel, Richard Pimentel, Linda Seek, et al 1982-5-8 15995 San Luis Obispo 5.9 mi E of jctn with Santa Rosa Crk Rd on dirt rd leading to Cypress Mtn via steiner Crk. 2 mi W of Warrens' cabin (at base of mtn) Comment
  OBI66717  Trifolium subterraneum David J. Keil, with Robyn Cox, Cindy Sage, and Orrin Sage 2002-3-25 29762 San Luis Obispo Ridges south of Arroyo de la Cruz bridge, between Highway 1 and Arroyo de la Cruz Comment
  PASA251  Trifolium tridentatum Margaret Stason 1930-4-14 San Luis Obispo Grade east of Cambria Comment
  OBI57850  Trifolium variegatum David J. Keil 1998-4-7 26598 San Luis Obispo South of Creston on 229 Jordan Property, 0.1 mile S of Rocky Canyon Rd on W side of Hwy. 229 Comment
  OBI79829  Trifolium variegatum D. R. Miller 2013-4-3 413 .1042 San Luis Obispo The Rocky Butte/Pine Mountain Region, from Cole Ranch heli-pad margin, marmolejo creek drainage. 744 Comment
  SBBG107122  Trifolium variegatum var. major C. B. Hardham 1985-4-16 30015 San Luis Obispo Cienega Crk, Delaganna Ranch Comment
  OBI58049  Trifolium willdenovii David J. Keil, with Rhonda Riggins and D. R. Miller 1998-5-27 27478 San Luis Obispo Santa Lucia Mountains. San Simeon Creek Rd. at Eagle Point, 10 miles NE from Hwy 1 (35 deg. 40.233' N x 121 deg. 02.851' W). Comment
  OBI79260  Trifolium willdenovii David J. Keil, with Mike Walgren and Lisa Andreano 2012-5-15 31343 San Luis Obispo Western end of San Luis Range. North-facing slope above Coon Creek, southern portion of Montana de Oro State Park, adjacent to Field Ranch (Pacific Gas and Electric Company property, north of Diablo Canyon Nuclear Power Plant) Comment
  UC1130152  Trifolium willdenovii C. M. Belshaw 1936-3-31 1759 San Luis Obispo 3 mi nne Cayucos; Cayucos Quad. 106 Comment
  OBI25584  Trifolium wormskioldii David J. Keil 1981-5-16 14692 San Luis Obispo Area around Arroyo de la Cruz near its crossing of Calif hwy 1 Comment
  SBBG3858  Trifolium wormskioldii H. and M. Dearing 1939-3-19 3072 San Luis Obispo Oso Flaco Lake Comment
  SBBG1076  Trillium angustipetalum C. B. Hardham 1957-3-20 1552 San Luis Obispo York Mtn, W of Templeton Comment
  UC310665  Trillium angustipetalum Philip A. Munz 1926-4-9 10206 San Luis Obispo 10 mi. s.w. Paso Robles (Willow Creek Rd.) Comment
  UC1063428  Triphysaria eriantha subsp. eriantha H. C. Lee 1936-3-18 521 San Luis Obispo 1 mi n Indian Knob; Arroyo Grande Quad., n of Indian Knob Comment
  OBI51393  Triphysaria eriantha subsp. rosea Jan Barber 1994-3-21 110 San Luis Obispo San Simeon State Park. NE of Washburn campground Comment
  OBI9356  Triphysaria pusilla Robert F. Hoover 1947-3-21 6711 San Luis Obispo W base of Mt Bishop near San Luis Obispo Comment
  SBBG109629  Triphysaria pusilla C. B. Hardham 1959-4-12 4222 San Luis Obispo Cambria Pines Comment
  OBI6592  Triteleia ixioides subsp. cookii Robert F. Hoover 1950-6-21 8009 San Luis Obispo Between Rocky Butte and Pine Mt., Santa Lucia Mts. Comment
  OBI33019  Triteleia ixioides subsp. cookii David J. Keil, Melissa Luckow, Dirk Walters, Malcolm McLeod, Craig Cunningham 1983-6-12 17145 San Luis Obispo Vicinity of Arroyo de la Chinos and Arroyo de la Cruz N. of San Simeon. On slope E. of BM 77 122 Comment
  OBI51825  Triteleia ixioides subsp. cookii D. R. Miller 1992-5-29 592 A-7 San Luis Obispo Coles ranch, Pine Mountain 732 Comment
  OBI6576  Triteleia ixioides subsp. cookii Robert F. Hoover 1950-6-21 8023 San Luis Obispo Near source of North Fork of San Simeon Creek, on road to Rocky Butte. Comment
  OBI73195  Tropaeolum majus David J. Keil 2000-5-31 28785 San Luis Obispo Cambria. Vicinity of Cambria Community Service District grounds along Santa Rosa Creek and adjacent forested hillsides Comment