Search Results — 2000 specimen records retrieved (1130 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/cch_archive/).
 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
  RSA0025946  Abronia Ralph Hoffman 1931-5-30 s.n. San Luis Obispo Oceano. Comment
  CAS-BOT-BC383895  Abronia latifolia Ernest C. Twisselmann 1959-11-2 5899 San Luis Obispo Oceano Dunes west of Oso Flaco Lake 6 Comment
  SD90167  Abronia latifolia Benjamin C. Stone Sept 1952 211 San Luis Obispo Morro Bay Comment
  CAS-BOT-BC383894  Abronia latifolia Katharine Brandegee No date on label s.n. San Luis Obispo Oceano Comment
  UC1136546  Abronia maritima B. Bolt 1936-3-15 626 San Luis Obispo 1 3/4 mi nw Morro; Cayucos Quadrangle Comment
  UC463266  Abronia maritima Roxana S. Ferris 1929-4-16 7649 San Luis Obispo n Moro (coast road); Torro Creek Comment
  CAS-BOT-BC383963  Abronia pogonantha Roxana S. Ferris 1955-5-23 12807 San Luis Obispo By road, Cammattii [Cammatti] Canyon road, 1.6 mi. N of junction with Creston-La Panza road Comment
  OBI56379  Abronia pogonantha P. McKie 1978-5-15 s.n. San Luis Obispo Shell Crk Rd Comment
  OBI12208  Abronia umbellata var. umbellata Aart C. De Vos 2013-4-30 94 San Luis Obispo S of Morro Bay Comment
  OBI4162  Abronia umbellata var. umbellata Julie R. Potter 1969-6-29 38 San Luis Obispo Morro Bay State Park Comment
  OBI62510  Abronia umbellata var. umbellata Lynne Dee Oyler 1990-6-12 1159 San Luis Obispo Mobil Oil Property just N of UNOCAL property boundary N of UNOCAL pump #K8. Back dunes. Area just N of UNCOAL property Comment
  OBI82368  Abutilon theophrasti David J. Keil 2015-9-25 33415 San Luis Obispo Campus of California Polytechnic State University. Agricultural field on south side of Highland Drive, east of Stenner Creek Comment
  OBI78723  Acacia David J. Keil 1979-4-29 13048 San Luis Obispo San Luis Obispo. Grand Ave. underpass at US 101 Comment
  OBI488  Acacia longifolia Michael Walgren 2016-3-4 488 San Luis Obispo Pismo State Beach, in dunes immediately west of the Oceano Campground off Pier Ave. A naturalized invasive in backdunes, along with other inasive trees 8 Comment
  CAS-BOT-BC436996  Acaena pinnatifida var. californica R. F. Hoover 1949-5-7 7663 San Luis Obispo Just north of Piedras Blancas Point Comment
  OBI20405  Acer macrophyllum Neil Havlik 1968-4-3 120 San Luis Obispo At upper end of Lopez Cyn rd Comment
  OBI6223  Achillea millefolium D. Waive Stager 1972-7-24 14 San Luis Obispo Morro Bay State Park Sand Spit Comment
  UC1125435  Achyrachaena mollis C. M. Belshaw 1936-4-1 1769 San Luis Obispo 3.5 mi ne Morro; Cayucos Quad. 121 Comment
  UCR121901  Achyrachaena mollis Ian G. Gillespie 2002-4-2 95 San Luis Obispo Temblor Range, Along Davis Rd. approximately 1.8 miles south of junction with Route 46, south-east of Cholame 457 Comment
  OBI56616  Achyrachaena mollis David J. Keil, with Kathleen A. Keil 1998-5-26 27462 San Luis Obispo Los Padres National Forest, La Panza Mountains, Pine Mountain area. Forest Rd. 30S14 near border of Machesna Wilderness Area, NW of Castle Crags. Comment
  SD144463  Acmispon americanus G. K. Helmkamp 1997-6-20 2048 San Luis Obispo Ca. 0.2 mi NE of Buckskin and Martingale in Los Osos 27 Comment
  JEPS114119  Acmispon americanus var. americanus J. Clark, M. Petroelje 1998-6-29 San Luis Obispo Camp San Luis Obispo. Training Area U, LTCA Plot 320. Comment
  OBI42306  Acmispon americanus var. americanus David J. Keil, Lynne Dee Oyler 1986-5-21 19516 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 85 Comment
  OBI42786  Acmispon brachycarpus David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel, Richard Pimentel, Linda Seek, et al 1982-5-8 15998 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
  SBBG118250  Acmispon glaber M. Wetherwax, E. Painter 2001-3-21 SLO 185 San Luis Obispo W of Chorro Reservoir; Camp San Luis Obispo 200 Comment
  SBBG107958  Acmispon grandiflorus var. grandiflorus C. B. Hardham, C. Butterworth 1960-5-28 5944 San Luis Obispo "Blue Pidgeon", headwaters S fork of Huerhuero River S of Klein Ranch Comment
  OBI13189  Acmispon heermannii var. orbicularis Lewis S. Rose 1961-4-14 61042 San Luis Obispo Cambria 91 Comment
  OBI13206  Acmispon heermannii var. orbicularis Robert F. Hoover 1946-8-4 6272 San Luis Obispo N end of Morro Bay Comment
  OBI60573  Acmispon heermannii var. orbicularis L. D. Oyler, David J. Keil 1990-5-10 1114 San Luis Obispo Nipomo Dunes. Horseback trip from Oso Flaco Lake South and W across dunes, E to Quercus agrifolia and west again to coast Comment
  SBBG67320  Acmispon heermannii var. orbicularis M. M. Miles -Aug-1886 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  OBI59935  Acmispon junceus var. biolettii G. F. Hrusa 1993-5-2 11114 San Luis Obispo Black Butte Research Natural Area. Approx 1/4 mi N of Mt. Lowe near base of Radio Facility 2 peak 700 Comment
  OBI51760  Acmispon junceus var. junceus R. Mike Arens 1994-6-10 87 San Luis Obispo Calif Polytechnic State Univ campus 152 Comment
  RSA0035291  Acmispon parviflorus LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-30 6361 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
  SBBG95962  Acmispon procumbens var. procumbens C. B. Hardham 1957-6-4 2061 San Luis Obispo intersection of Oak Flat Rd and north rd to Adelaida Comment
  SBBG19548  Acmispon strigosus C. B. Hardham 1957-3-25 1592 San Luis Obispo Cypress Mtn Comment
  OBI58074  Acmispon strigosus David J. Keil 1998-5-4 27069 San Luis Obispo Los Padres National Forest. Just S of junction with Hwy 58 on Red Hill Rd. T29S R16E S1/2 S17. Comment
  OBI15585  Acourtia microcephala Robert F. Hoover 1947-7-10 7288 San Luis Obispo "mesa" 4 mi W of Nipomo Comment
  OBI29009  Acourtia microcephala Kathleen Jones 1981-5-31 s.n. San Luis Obispo Las Pilitas Nursery Burn, NE of Santa Margarita Comment
  UC455571  Acourtia microcephala I. J. Condit 1911-8-17 San Luis Obispo C. P. S. Canyon Comment
  UC1296067  Adenostoma fasciculatum R. F. Hoover 1964-6-5 8912 San Luis Obispo ridge s.e. Cuesta Pass; Santa Lucia Range Comment
  CAS-BOT-BC68974  Adiantum jordanii R. F. Hoover 1967-2-18 10230 San Luis Obispo Diablo Canyon, San Luis Range Comment
  OBI1095  Adiantum jordanii P. J. Justen 1966-4-6 4 San Luis Obispo Upper end of Lopez Canyon, in rocky, humus soil at the base of a shady hillside about 10 yds. from a stream Comment
  UCD67183  Adiantum jordanii G. F. Hrusa 1995-5-28 12245 San Luis Obispo San Luis Obispo County: Shade nr. Waterfall and on steep N slope at SE base of Peak 3. 500 Comment
  SBBG6366  Agastache urticifolia C. B. Hardham 1957-7-14 2445 San Luis Obispo Santa Rita Rd, 3.5 mi W of York Mtn Rd Comment
  CDA12515  Agoseris grandiflora J. Hunter May 1994 s.n. San Luis Obispo Black Butte Research Natural Area; Vicinity of Mt. Lowe. Comment
  UC1979359  Agoseris grandiflora David Keil 1998-6-8 27675 San Luis Obispo Between Creston & Shandon along Highway 41, 4.5 road miles NE of junction with La Panza, 0.2 miles SW of junction with Amber Hills Road. Comment
  UC1125465  Agoseris grandiflora var. grandiflora G. T. Nordstrom 1937-5-13 1211 San Luis Obispo 1.3 mi ene of Asuncion School; Adelaida Quadrangle 381 Comment
  SEINET6738548 Image available Agoseris heterophylla B. Cobb 1907-1 20 San Luis Obispo Near Paso Robles, in the Upper Sonoran Zone Comment
  OBI32294  Agrostis exarata David J. Keil 1981-6-20 14888 -1 San Luis Obispo N of San Simeon along the channel and banks of Arroyo de la Cruz e of hwy 1 Comment
  SD244551  Agrostis exarata David Keil, Matt Ritter, Mike Stiles, Charley Knight, Wendy Knight, Craig Jacobsen 2012-6-28 31396 San Luis Obispo Santa Lucia Mountains. Upper Lopez Canyon. Lopez Canyon Trail from east Cuesta Ridge to Lopez Canyon Road. Near trail in lower portion of canyon. 249 Comment
  CAS-BOT-BC139373  Agrostis hooveri R. F. Hoover 1947-7-16 7307 San Luis Obispo Price Canyon. Comment
  CAS-BOT-BC138959  Agrostis pallens R. F. Hoover 1964-6-7 8991 San Luis Obispo San Carpoforo Creek just above WIndy Point. Comment
  JEPS100288  Agrostis pallens Dean Wm. Taylor with David J. Keil, John M. Miller 1993-6-22 13715 San Luis Obispo PG&E Diablo Canyon Nuclear Power Plant facility site; at Crowbar benchmark 6 Comment
  OBI4952  Agrostis pallens Robert F. Hoover 1947-5-25 7214 San Luis Obispo Cambria Comment
  OBI4953  Agrostis pallens Robert F. Hoover 1969-7-5 11419 San Luis Obispo Cambria Comment
  CAS-BOT-BC138961  Agrostis pallens R. F. Hoover 1960-7-15 8528 San Luis Obispo Head of Prefumo Canyon. Comment
  OBI74308  Aira caryophyllea Theo Fitanides, Anthony Baniaga 2010-4-10 76 San Luis Obispo Tierra Redonda BLM ACEC. Tierra Redonda Mtn. 100 Comment
  OBI66399  Aira caryophyllea David J. Keil, with V. L. Holland 2005-6-16 30382 San Luis Obispo West of Templeton ne of intersection of York Mountain Road and Highway 46 on unpaved road cut through area of foothill woodland and mixed evergreen forest dominated by Quercus agrifolia and Umbellularia californica. Comment
  OBI73496  Aira caryophyllea David J. Keil 2000-4-18 28450 San Luis Obispo Camp San Luis Obispo national guard base. Trail up western side of Cerro Romualdo Comment
  OBI6182  Alisma triviale Robert F. Hoover 1964-8-13 9241 San Luis Obispo Mouth of Osos Crk Comment
  CDA16026  Allenrolfea occidentalis G. F. Hrusa, T. D. Wilfred 2000-9-29 15692 San Luis Obispo Carrizo Plain. S end of Soda Lake immed. E of Soda Lake Rd. 579 Comment
  UC2027033  Allenrolfea occidentalis Greg Wilvert 2005-10-5 531 San Luis Obispo Southeast Half of the Caliente Range. Padrones Canyon Comment
  CAS-BOT-BC468913  Allium crispum Russell S. Woglum 1938-4-23 1557 San Luis Obispo Cottonwood Pass, near Chalome: Bluestone Ridge; junction with Monterey, Kings and Kern Counties Comment
  POM216300  Allium crispum David D. Keck 1933-5-3 2115 San Luis Obispo 6 miles northeast of Estrella on road to Parkfield Comment
  RSA177031  Allium haematochiton I. L. Wiggins 1932-3-21 5834 San Luis Obispo 2 miles east of San Luis Obispo. Comment
  OBI21224  Allium howellii var. howellii Robert F. Hoover 1947-4-4 6889 San Luis Obispo W side of Cottonwood Pass Comment
  CAS-BOT-BC472721  Allium lacunosum var. lacunosum R. F. Hoover 1947-5-12 7163 San Luis Obispo West base of Mt Bishop near San Luis Obispo Comment
  CAS-BOT-BC472751  Allium lacunosum var. micranthum O. Renner 1923-5-1 s.n. San Luis Obispo Paso Robles Comment
  OBI21240  Allium peninsulare var. peninsulare Robert F. Hoover 1950-6-2 7967 San Luis Obispo Trl from Stony Crk to Colwell Mesa Comment
  OBI21245  Allium unifolium Robert F. Hoover 1967-5-24 10587 San Luis Obispo Santa Lucia Range. Santa Rita Crk W of Templeton Comment
  CAS-BOT-BC170152  Alnus rhombifolia Clare B. Hardham 1956-1-24 135 San Luis Obispo Los Tablas Cr., 7 X Ranch. Santa Lucia Mountains Comment
  SBBG16073  Amaranthus albus E. C. Twisselmann 1962-10-20 7932 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  OBI80781  Amaranthus blitoides George Butterworth 2014-11-10 935 San Luis Obispo Carriso Plain. Simmler Ecological Reserve east of Bitterwater Road. 630 Comment
  SEINET8075553  Amaranthus blitoides David Keil 2000-5-26 28819 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.; 0 335 Comment
  CDA23698  Amaranthus blitoides P. Schlotter 1982-10-27 San Luis Obispo Creston and Geneseo Roads, Paso Robles. 0 Comment
  OBI79811  Amaranthus blitoides D. R. Miller 2013-9-29 913 .1084 San Luis Obispo Paso Robles ally between 14th and 13th street at Pine Street, Plant growing along corner of building. 300 Comment
  CDA43122  Ambrosia acanthicarpa David J. Keil, V. L. Holland 1988-9-9 21115 San Luis Obispo North of Cayucos. West of Highway 1 on Villa Creek Road at site of partially constructed abalone farm. Comment
  OBI79875  Ambrosia acanthicarpa David J. Keil 2012-7-18 31451 B San Luis Obispo Santa Maria River bed at Highway 1 bridge, just north of Guadalupe and Santa Barbara County line 22 Comment
  OBI69829  Ambrosia acanthicarpa D. R. Miller 1993-9-15 993 -52 San Luis Obispo Pine Mt Region, at sand pile at Hartman Cabin, E slope Pine Mt 762 Comment
  UC455694  Ambrosia psilostachya E. P. Unangst 1906-8-26 San Luis Obispo Comment
  OBI16029  Ambrosia salsola Robert F. Hoover 1950-4-14 7836 San Luis Obispo North end of Elkhorn Plain Comment
  CAS-BOT-BC137857  Ammophila arenaria W. A. Silveus 1938-6-23 3666 San Luis Obispo Morro Bay. Comment
  UCD104611  Amorpha californica Beecher Crampton 1964-5-18 6976 San Luis Obispo San Luis Obispo County: 5 miles east of Santa Margarita Pass. State Hwy. 58. Comment
  OBI13392  Amorpha californica Robert F. Hoover 1946-6-15 6151 San Luis Obispo Near Rinconada Mine, between Santa Margarita and Pozo Comment
  SBBG107159  Amsinckia C. B. Hardham 1962-4-16 9004 San Luis Obispo S bank of Salinas River, Pozo Comment
  UC338243  Amsinckia douglasiana unknown 1887-1 San Luis Obispo Lemmon Ranch Comment
  CAS-BOT-BC222382  Amsinckia douglasiana Ira L. Wiggins 1932-3-20 5780 San Luis Obispo In immediate vicinity of Cholame Comment
  OBI82493  Amsinckia intermedia David J. Keil, with Lynne Dee Althouse and Shannon Henke 2016-2-26 33490 San Luis Obispo Southeast of Cholame in southern Cholame Valley along San Andreas Fault zone 600 Comment
  POM265145  Amsinckia intermedia I. L. Wiggins 1929-4-13 3418 San Luis Obispo Along Salinas River 5 miles north of Paso Robles. Comment
  SEINET12519159  Amsinckia intermedia Alma L. Moldenke, Harold N. Moldenke 1976-1 30479 San Luis Obispo On raodbank in open oak woods near Creston on Route 41 Comment
  UC1084573  Amsinckia intermedia Francia Chisaki with R. Bacigalupi and P. Hutchison 1957-4-2 916 San Luis Obispo 1.25 mi w Atascadero (on Morro Bay Road) Comment
  OBI29247  Amsinckia menziesii David J. Keil, Melissa Luckow, Richard A. Pimentel, and Rhonda Riggins-Pimentel 1981-4-24 14540 San Luis Obispo Jctn of Shell Crk Rd and Calif hwy 58 S of Shandon Comment
  UC1061730  Amsinckia spectabilis var. microcarpa B. Bolt 1936-3-11 609 San Luis Obispo 1 1/4 mi sse of mouth of Osos Creek 30 Comment
  UCR91832  Amsinckia spectabilis var. spectabilis George K. Helmkamp 1996-5-27 1084 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  OBI25831  Amsinckia tessellata B. W. & T. W., T. W. 1967-5-6 s.n. San Luis Obispo Playa Lake Comment
  POM287652  Amsinckia tessellata Lyman Benson 1932-5-9 3563 San Luis Obispo Upper Cuyama Valley, Temblor Mt. Ranges 610 Comment
  UCSB16596  Amsinckia tessellata var. gloriosa Breedlove, Dennis 1962-3-24 San Luis Obispo 7.1 miles east of of Templeton 304 Comment
  UC1315004  Amsinckia tessellata var. tessellata E. McMillan 1952-3-15 720 San Luis Obispo 2 mi s and 9 mi e of Shandon (on s slope); Choice Valley Comment
  OBI20687  Amsinckia vernicosa Robert F. Hoover 1966-4-9 9811 San Luis Obispo Crocker Cyn at Kern co. line Comment
  UC1178338  Amsinckia vernicosa var. vernicosa Ray and Chisaki 1951-4-9 K 65 San Luis Obispo w branch of Fernandez Creek Comment
  UC1123233  Anagallis arvensis H. C. Lee 1936-3-19 529 San Luis Obispo 2 mi. n. Miles; Arroyo Grande Quad. Comment
  CAS-BOT-BC46947  Androsace elongata subsp. acuta Clare B. Hardham 1959-4-3 4186 San Luis Obispo Hills n. of Nacimiento Dam. Comment
  UC455806  Anthemis arvensis I. J. Condit 1911-9-27 San Luis Obispo Botanic Garden, C.P.S. (California Polytechnic School) Comment
  UCR118375  Anthemis cotula George K. Helmkamp, E. A. Helmkamp 1998-7-1 4250 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  OBI49569  Anthoxanthum occidentale Robert F. Hoover 1964-6-7 8980 San Luis Obispo Lower cyn of San Carpoforo Crk Comment
  OBI28104  Anthriscus caucalis Carrie Wilson, Allison Berry 1982-5-9 37 San Luis Obispo N of San Luis Obispo 10 mi 1/4 mi E of CA Rte 101 on Ca Rte 58-Santa Margarita. Site to R of rd across RR tracks- 50 yds Comment
  OBI7430  Anthriscus caucalis Mark Fresh 1976-5-17 81 San Luis Obispo San Luis Obispo Crk, under Cuesta Grade Comment
  OBI9006  Anthriscus caucalis Tracey & Viola Call, Viola Call 1964-5-3 2257 San Luis Obispo Near Salinas River 1.5 mi E of Atascadero 274 Comment
  OBI9737  Antirrhinum kelloggii Fred Rush May-56 117 San Luis Obispo Mt SLO Comment
  UCR97051  Antirrhinum ovatum C. F. Smith 1991-6-25 12215 San Luis Obispo Crest of range along road between Cuyama Valley and Carrizo Plain, in W part of Caliente Mtn Ridge. 1372 Comment
  CAS-BOT-BC237887  Antirrhinum ovatum Ernest C. Twisselmann 1954-5-29 1306 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Gypsum Mine: 6 miles southeast of Simmler 624 Comment
  OBI32217  Aphanes occidentalis David J. Keil, Rhonda Riggins, Dirk Walters, Malcolm McLeod, Melissa Luckow, et al 1981-4-11 14415 San Luis Obispo N of San Simeon along ridge just S of Arroyo de la Cruz Comment
  OBI30665  Apiastrum angustifolium David J. Keil 1981-5-19 14733 San Luis Obispo Indian Knob. Upper slopes of Indian Knob Comment
  OBI59701  Apocynum cannabinum David J. Keil, with V. L. Holland 2001-5-29 29516 San Luis Obispo Western outskirts of Atascafero in Santa Lucua Mountains. 3-F Meadows area proposed for housing development. Site accessed by San Marcos Road. Ca. 700 acre parcel. 549 Comment
  UC2013268  Apocynum cannabinum D. R. Miller 1991-7-9 791 -3 San Luis Obispo In creekway of Almaden Flats, Pine Mountain near the Lower Pines. Comment
  CAS-BOT-BC405892  Aquilegia formosa Clare B. Hardham 1957-5-12 1909 San Luis Obispo Errol Dodd Ranch, Adelaide Comment
  SBBG124276  Araujia sericifera D. Keil 2009-8-16 30635 San Luis Obispo slope above E side of San Luis Crk, just N of Madonna Rd freeway overcrossing 50 Comment
  UC1120806  Arbutus menziesii T. M. Hendrix 1937-5-21 205 San Luis Obispo 2 mi ene of Hi Mountain (Los Padres National Forest); Los Padres National Forest 762 Comment
  OBI12440  Arceuthobium campylopodum Robert F. Hoover 1946-9-22 6448 San Luis Obispo Cambria Comment
  UC1276276  Arctostaphylos R. F. Hoover 1964-5-15 8894 San Luis Obispo Pine Top Mountain Comment
  OBI14511  Arctostaphylos crustacea subsp. subcordata Robert F. Hoover 1947-2-10 6614 San Luis Obispo Price Cyn Comment
  CAS-BOT-BC25046  Arctostaphylos cruzensis Clare B. Hardham 1966-2-25 14011 San Luis Obispo Arroyo de la Cruz Comment
  UC1389141  Arctostaphylos cruzensis Ben Bolt 1936-2-10 571 San Luis Obispo 1 1/2 mi se Osos Creek; Cayucos Quadrangle 60 Comment
Read comments
Dec 24 2016
  UCSC010724  Arctostaphylos cruzensis Brett Hall 2009-1 s.n. San Luis Obispo San Simeon State Park, west side of highway, formerly Hearst Ranch, north of Arroyo de los Chinos and south of Arroyo Hondo Comment
  CAS-BOT-BC25029  Arctostaphylos cruzensis James B. Roof; Walter Knight; Irja Knight 1966-1-11 1763 San Luis Obispo Arroyo de los Chinos. Hearst Ranch. On low ridge ca. 200 yds. from State Hwy #1. Comment
  CAS-BOT-BC24804  Arctostaphylos glandulosa subsp. cushingiana R. F. Hoover 1964-1-11 8623 San Luis Obispo Ridge w. of bend of Lopez Canyon. Comment
  UC1120195  Arctostaphylos glandulosa subsp. glandulosa H. C. Lee 1936-2-16 398 San Luis Obispo head of Newsom Canyon Arroyo Grande Quadrangle Comment
  UC1120289  Arctostaphylos glandulosa subsp. glandulosa A. E. Wieslander 1935-3-29 537 San Luis Obispo La Panza Range La Panza Quadrangle Comment
  UC1927733  Arctostaphylos glandulosa subsp. zacaensis D. R. Miller 1994-2-11 294 -71 San Luis Obispo Horse Spring trail, Cole Ranch, Marmolejo drainage 850 Comment
  CAS-BOT-BC39208  Arctostaphylos glauca Gary D. Wallace 1974-11-29 1325 San Luis Obispo S of Hearst Ranch at the head of San Simeon Creek Rd. 7.9 mi from jct. with Hwy. 1 457 Comment
  OBI14722  Arctostaphylos glauca Robert F. Hoover 1946-11-16 6555 San Luis Obispo Upper Arroyo Grande, 5 mi above County Park Comment
  RSA201540  Arctostaphylos glauca Robert F. Hoover 1946-11-16 6555 San Luis Obispo Upper Arroyo Grande, 5 mi. above County Park. Comment
  SEINET11987175  Arctostaphylos hookeri subsp. hearstiorum W. Knight, Knight, I. 1981-1 3913 San Luis Obispo Tilden Botanic Garden, Berkeley, orig. from CA 1, Hearst Ranch, Arroyo de la Cruz Comment
  UC1334948  Arctostaphylos morroensis A. E. Wieslander 1936-2-25 601 San Luis Obispo w Los Osos Creek; Cayucos Quadrangle 30 Comment
  UCR26059  Arctostaphylos morroensis Michael J. Kelly 1975-4-26 68 San Luis Obispo E-W canyon. First canyon south of Hazard Canyon, 4 mi from Morro Bay. 122 Comment
  RSA661845  Arctostaphylos morroensis Austin P. Griffiths 1981-11-7 s.n. San Luis Obispo Massive colonies along S slope of crest of ridge and down draws on S ridge of Hazard Canyon, ca. 2 mi. E of Pecho Road. 183 Comment
  OBI54246  Arctostaphylos obispoensis David J. Keil, V. L. Holland 1996-6-6 25888 San Luis Obispo Prefumo Cyn homes project site along Prefumo Crk ca. 1/3 mi from Los Osos Valley rd Comment
  UC1309661  Arctostaphylos obispoensis A. E. Wieslander 1936-2-27 615 San Luis Obispo Morro Creek Cayucos Quadrangle 152 Comment
  CAS-BOT-BC39843  Arctostaphylos obispoensis Albert Everett Wieslander 1932-11-20 s.n. San Luis Obispo Near Burnet Peak 762 Comment
  RSA633454  Arctostaphylos osoensis Jon E. Keeley 1996-6-24 27629 San Luis Obispo North face of Hollister Peak, east of Morro Bay. 250 Comment
  RSA671151  Arctostaphylos osoensis G. Fred Hrusa 1995-6-20 12418 San Luis Obispo Hollister Peak; Large colony on SW-facing shoulder of Hollister Peak, immediately below last steep ascent to peak from S side. 375 Comment
  OBI58637  Arctostaphylos osoensis Benjamin E. Carter, Erik Frenzel, Dave Haines, Paul Adriano 2001-1-25 9 San Luis Obispo Perfumo Canyon rd, ca. 12 mi S of Los Osos Valley rd Comment
  CAS-BOT-BC39784  Arctostaphylos pajaroensis R. F. Hoover 1963-12-27 8619 San Luis Obispo Prunedale Comment
  CAS-BOT-BC44408  Arctostaphylos pechoensis R. F. Hoover 1967-2-18 10225 San Luis Obispo Diablo Canyon, San Luis Range Comment
  CDA16232  Arctostaphylos pechoensis G. F. Hrusa, R. Gross 1997-12-27 14149 San Luis Obispo Montana de Oro State Park; Hill above Coon Creek parking. 0 Comment
  HSC91722  Arctostaphylos pechoensis Susan H. Bicknell 1988-8-15 San Luis Obispo Montana de Oro State Park Comment
  OBI14570  Arctostaphylos pechoensis Robert F. Hoover 1960-4-9 8519 San Luis Obispo Along coast south of Coon crk Comment
  OBI56200  Arctostaphylos pilosula David J. Keil, Lynn Dee Oyler 1989-1 s.n. San Luis Obispo Squire Cyn, South of SLO Comment
  JEPS42619  Arctostaphylos pilosula A. E. Wieslander 1935-2-26 607 San Luis Obispo s Los Berros Creek (se of Arroyo Grande) 121 Comment
  JEPS49500  Arctostaphylos pilosula J. E. Adams 1935-2-19 929 San Luis Obispo ridge near Miles Comment
  SEINET11995495  Arctostaphylos pilosula W. Knight, Knight, I. 1986-1 6349 San Luis Obispo Santa Barbara Rd (Atascadero Rd) 2 mi from Atascadero Comment
  UC1389145  Arctostaphylos pungens T. M. Hendrix 1938-11-23 933 San Luis Obispo 1.2 mi e McChesney Mt.; Los Padres National Forest, La Panza Quadrangle 1005 Comment
  OBI23069  Arctostaphylos rudis Malcolm McLeod, G & K Jones, C. Cunningham, M. Coffeen, S. Hessler 1980-1-6 1353 San Luis Obispo North of Black Lake cyn, 0.4 mi S of Pomeroy rd, X Lyn Los Berros, across road to W from 10 acre plot being dozed for avocados Comment
  UCD53807  Arctostaphylos rudis Roman Gankin 1958-2-5 275 San Luis Obispo Off of road 1/2 mile from jct. of Nipomo-Guadalupe Road and from garbage dump; approx. 1 mile west of Nipomo overpass on U.S. 101. Comment
  UCSB71744  Arctostaphylos rudis Ryan, P.; Callaway, R. 1987-2-5 San Luis Obispo Northern corner of Juniper and Pomeroy Rd. intersection, Nipomo 115 Comment
  OBI57749  Arctostaphylos tomentosa subsp. daciticola David J. Keil 1998-6-12 27811 San Luis Obispo Park Ridge area E of border of Morro Bay State Park, W of Hollister Peak. Comment
  OBI45418  Arctostaphylos tomentosa subsp. tomentosa David J. Keil 1983-7-16 17393 San Luis Obispo Vicinity of Arroyo de la Cruz, N of San Simeon Comment
  CDA38847  Arctostaphylos wellsii Roberts, H. K. & H-M Beard s.n. San Luis Obispo Between Edna and Pismo Beach. Comment
  SEINET11987145  Arctostaphylos wellsii J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4079 San Luis Obispo Strybing Arboretum, Golden Gate Park, San Francisco, orig. from N of Pismo Beach Comment
  CAS-BOT-BC401663  Argemone munita subsp. munita Ernest C. Twisselmann 1956-6-7 2901 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Wilkinson Canyon, San Juan Hills 487 Comment
  OBI75160  Argyranthemum David J. Keil 2011-5-17 31025 San Luis Obispo Los Osos. Pecho Road near intersection with Rosina Drive 15 Comment
  CAS-BOT-BC137612  Aristida adscensionis Marcus E. Jones 1882-5-9 3245 San Luis Obispo San Luis Obispo. Comment
  CAS-BOT-BC179717  Aristocapsa insignis Clare B. Hardham 1956-6-13 s.n. San Luis Obispo NE spur of Black Mountain, La Panza Range Comment
  UCR246725  Armeria maritima subsp. californica Forrest D. Freund, J. M. Porter 2013-3-19 121 .1 San Luis Obispo Central Coast, coastal cliff top along CA Hwy 1, Cabrillo Hwy, 220 m west of the hwy, south of the bridge over Arroyo de La Laguna near La Cruz Rock, 3.13 mi north of turnoff to Piedras Blancas Lighthouse 16 Comment
  RSA769925  Artemisia absinthium David J. Keil 2009-8-21 30637 San Luis Obispo Campus of California Polytechnic State University, San Luis Obispo. Small garden area along east side of Dexter Building (Building 34). 95 Comment
  CAS-BOT-BC84877  Artemisia californica Alice Eastwood 1926-5-3 13769 San Luis Obispo Avila Comment
  IRVC29234  Artemisia californica G. K. Helmkamp, E. A. Helmkamp 2004-10-8 8860 San Luis Obispo Santa Lucia Wilderness area, 0.9 mi E of Lopez Lake entrance then 3.3 mi N along Upper Lopez Cyn Rd. Outer South Coast Ranges 166 Comment
  OBI17068  Artemisia californica Robert F. Hoover 1964-10-3 9317 San Luis Obispo Mouth of Coon Creek Comment
  OBI51737  Artemisia californica R. Mike Arens 1994-1-12 04 a San Luis Obispo Cal Poly campus, SLO. In Poly Canyon near Botanical Garden foot bridge 152 Comment
  UCR29425  Artemisia californica J. H. Nishida 1982-10-2 529 San Luis Obispo South Coast Range, N end of American Canyon Campground Comment
  OBI66963  Artemisia californica D. R. Miller 1994-10-25 1094 -539 San Luis Obispo Pine Mt region.Canyon trail near confluence, Pico Creek drainage 792 Comment
  CAS-BOT-BC84816  Artemisia douglasiana R. F. Hoover 1966-9-16 10058 San Luis Obispo 2 mi. s. of Creston, in dry sandy stream-bed. Comment
  UCR103973  Asclepias californica George K. Helmkamp 1997-6-21 2067 San Luis Obispo Central Coast, Questa Ridge north of San Luis Obispo and 0.4 mi west of radio towers 854 Comment
  OBI30972  Asclepias eriocarpa Julie M. Vanderwier 1979-8-17 195 San Luis Obispo Indian Knob Tar Sands Comment
  OBI20514  Asclepias fascicularis Robert F. Hoover 1965-9-7 9537 San Luis Obispo Santa Rita Crk W of Templeton Comment
  OBI52735  Asclepias fascicularis David J. Keil, V. L. Holland 1991-1 22588 San Luis Obispo San Simeon State Park and vicinity, along San Simeon Crk from beach inland to E boudnary of park and on adjoining slopes S to boundary with C.T. Ranch Comment
  OBI31303  Asclepias fascicularis Joy Nishida 1982-7-8 500 San Luis Obispo American Cyn. 1 mi S of campground 512 Comment
  OBI66688  Asclepias fascicularis D. R. Miller 1994-6-24 694 -490 San Luis Obispo In dry crk bed at Wheelbarrow Gulch; tobacco crk drainage 600 Comment
  OBI47547  Asclepias vestita David J. Keil, Rhonda Riggins and Kathryn Bay 1986-4-26 19213 San Luis Obispo Eastern flank of La Panza MTs. 2.05 mi E of San Juan Crk bridge along hwy 58. T29S, R17E, NW corner of Sect 26 Comment
  SD129793  Astragalus curtipes Wayne P. Armstrong 1988-3-31 1290 San Luis Obispo Near summit of See Canyon Road. 305 Comment
  SD245365  Astragalus curtipes Josh Willems 2013-3-2 3 San Luis Obispo Poly Canyon: E. side of Poly p hill. 199 Comment
  CAS-BOT-BC177821  Astragalus curtipes R. F. Hoover 1949-4-12 7593 San Luis Obispo Between Suey Creek and Cuyama River Comment
  RSA789217  Astragalus didymocarpus James R. Shevock, Jack Zaninovich 1983-3-31 10243 San Luis Obispo Carrizo Plain, San Andreas Rift Zone between the Caliente and Temblor Ranges. Along Soda Lake Road, 8.3 miles south of California City and 10.4 miles south of California highway 58. 610 Comment
  CAS-BOT-BC182357  Astragalus didymocarpus var. didymocarpus R. F. Hoover 1952-4-8 8081 San Luis Obispo La Panza district Comment
  OBI13371  Astragalus didymocarpus var. milesianus Robert F. Hoover 1969-4-22 11256 San Luis Obispo San Bernardo Crk E of Morro Bay Comment
  UC1392683  Astragalus didymocarpus var. milesianus R. F. Hoover 1969-4-22 11256 San Luis Obispo e Morro Bay (San Bernardo Creek); e of Morro Bay, San Bernardo Creek Comment
  JEPS54594  Astragalus douglasii W. L. Jepson 1932-4-2 16191 San Luis Obispo Cholame Cholame (e San Luis Obispo Co.) 354 Comment
  UCD166282  Astragalus douglasii Jack Major 1962-4-22 796 San Luis Obispo San Luis Obispo County: Shell Creek north of Creston-Simmler HWY on road to Shandon about 1/2 mile. (Exact location unknown. Coordinates estimated by label maker.) (Creston-Simmler HWY is present day HWY 58.) 390 Comment
  UCR19446  Astragalus douglasii O. H. Kappler 1945-4-21 754 San Luis Obispo Inner South Coast Range, Temblor Range, Cholame Creek Comment
  CAS-BOT-BC182908  Astragalus douglasii David D. Keck 1933-5-3 2112 San Luis Obispo 2.5 miles east of Estrella on road to Shandon. Northern San Luis Obispo County Comment
  SBBG125788  Astragalus douglasii var. douglasii T. Fitanides with A. Baniaga 2010-4-23 145 San Luis Obispo Tierra Redonda Mtn 579 Comment
  CAS-BOT-BC178236  Astragalus gambelianus R. F. Hoover 1958-4-23 8463 San Luis Obispo Old Creek, south fork, above Cayucos. Comment
  OBI13315  Astragalus nuttallii var. nuttallii Robert F. Hoover 1946-7-21 6233 San Luis Obispo San Simeon Creek Beach Comment
  CAS-BOT-BC186532  Astragalus nuttallii var. nuttallii J. M. Tucker; Roman Gankin 1963-4-10 3670 San Luis Obispo Ca. 7 miles from Morro Bay, U.S. Highway 466 Comment
  UC774481  Astragalus nuttallii var. nuttallii Carl B. Wolf 1941-7-11 10985 San Luis Obispo along coast about 1 mi n Cambria (w coastal bluffs); n of Cambria 15 Comment
  RSA789563  Astragalus oxyphysus James R. Shevock, Jack Zaninovich 1983-3-31 10254 San Luis Obispo Carrizo Plain, San Andreas Rift Zone between the Caliente and Temblor Ranges. Along Soda Lake Road, 26.8 miles south of California City and 15.8 miles north of California highway 166. 600 Comment
  SFV21725  Astragalus oxyphysus S. Kimball 1999-4-17 32 San Luis Obispo Carrizo Plain Carrizo Plain Natural Area. South of Swain Pasture on west side of Soda Lake Road. 700 Comment
  UCSB26744  Astragalus oxyphysus Wilken, Dieter 1969-4-13 San Luis Obispo Carrizo Plain, 13.6 miles north of Reyes Station on road to California Valley Comment
  CAS-BOT-BC194121  Astragalus pomonensis Alice Eastwood 1940-4-14 18928 San Luis Obispo Nipomo Mesa Comment
  RSA116813  Astragalus pomonensis E. C. Twisselmann 1956-6-1 2891 San Luis Obispo South end of Morro Bay, near Baywood Park. 305 Comment
  UCSB19166  Astragalus trichopodus Rankine, Jane 1965-4-10 San Luis Obispo State Highway 1, 6 miles N of Cayucos Comment
  OBI13384  Astragalus trichopodus var. phoxus Robert F. Hoover 1947-5-30 7229 San Luis Obispo Huasna River just below confluence of Arroyo Seco Comment
  RSA90768  Astragalus trichopodus var. trichopodus F. W. Peirson 1929-5-18 8392 San Luis Obispo at first bridge over Cuyama River on Cuyama Valley road, 8 miles E of the Coast Blvd Comment
  OBI80667  Athysanus pusillus David J. Keil 1992-4-12 22844 San Luis Obispo Laguna Lake City Park 170 Comment
  UCD97259  Atriplex argentea var. expansa Ernest C. Twisselmann 1960-8-12 5984 San Luis Obispo San Luis Obispo County: South end of Grant's Lake. 579 Comment
  UCR115299  Atriplex californica Austin P. Griffiths, Joe R. Walker 1982-4-28 s.n. San Luis Obispo Guadalupe Dunes. More or less midway between Oso Flaco Ck. and Santa Maria R. Comment
  UCR115302  Atriplex californica Austin P. Griffiths 1982-1-27 s.n. San Luis Obispo Guadalupe Dunes. c. 3 mi south of Oso Flaco Ck. 20 Comment
  CDA17850  Atriplex leucophylla Austin Griffiths 1981-11-7 s.n. San Luis Obispo Montana de Oro State Park; Scattered at Cable Landing just north of Hazard Canyon. 7 Comment
  CAS-BOT-BC176581  Atriplex polycarpa R. F. Hoover 1966-10-8 10145 San Luis Obispo Pass at southeast end of Carrizo Plain Comment
  OBI59725  Atriplex serenana George Butterworth 1997-11-7 187 San Luis Obispo T31S, R20e, S29. Beside Soda Lake Rd at Simmler Rd Comment
  CAS-BOT-BC180897  Atriplex serenana var. serenana Chester Dudley 1936-9-1 s.n. San Luis Obispo Salinas River near San Miguel Comment
  OBI60867  Avena barbata Larry Kelly, David J. Keil, V. L. Holland, and LynneDee Oyler 1990-4-12 396 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  OBI36299  Avena barbata Rocky Thompson 1980-5-4 91 San Luis Obispo Flora of Las Pilitas Ranch Comment
  CHSC36060  Avena fatua Paul Bailey 1972-4-22 104 San Luis Obispo 15 miles E of Cambria near Hwy 46, Lucia Range (coastal mtns). 182 Comment
  UC815842  Avena fatua Marcus E. Jones, A. M. 1882-5-6 3232 San Luis Obispo San Luis Obispo Comment
  LA105438  Avena fatua Barry A. Prigge; 1989-3-19 8572 San Luis Obispo between State hwy 1 and Chorro Creek, ca 1.5 mi E of Morray Bay 9 Comment
  OBI65067  Avena fatua Greg Wilvert 2005-4-23 292 San Luis Obispo SE Half of the Caliente Range. 1.3 km NW of Lawson Spring 873 Comment
  CAS-BOT-BC98691  Baccharis douglasii Ernest C. Twisselmann 1955-10-1 2427 San Luis Obispo Sand dunes at southwest end of Morrow Bay 4 Comment
  UC1119652  Baccharis glutinosa H. C. Lee 1936-3-17 516 San Luis Obispo Arroyo Grande, Oso Flaco Lake 30 Comment
  UC1583857  Baccharis glutinosa David Keil 1986-10-13 19787 San Luis Obispo on s shore Morrow Bay (Sweet Springs); Sweet Springs 5 Comment
  UCR134426  Baccharis pilularis George K. Helmkamp 2003-9-19 8148 San Luis Obispo Central Coast, Nipomo Mesa area. Pomeroy Rd, 0.2 mi south of Los Berros Rd. 76 Comment
  OBI37070  Baccharis pilularis subsp. consanguinea M. J. Erwin 1983-10-15 2 San Luis Obispo 1 mi S of Hwy 101 exit on road to Montana de Oro State Park (Bay blvd). Right side of road, by stream Comment
  UCR161689  Baccharis salicifolia George K. Helmkamp, E. A. Helmkamp 2005-2-24 8962 San Luis Obispo South Coast Ranges, along Huasna Road, c. 5 mi. NE of its junction with Huasna Towship Road (generally east of Arroyo Grande) 244 Comment
  SBBG28727  Berula erecta E. C. Twisselmann 1967-9-9 13686 San Luis Obispo Ortega Spring, Palo Prieto Cyn 598 Comment
  OBI37357  Berula erecta Eric Wise 1982-7-2 1593 San Luis Obispo Oso Flaco Lake Comment
  OBI82603  Beta vulgaris David J. Keil 2015-8-10 33343 San Luis Obispo Morro Bay. Vacant lot at end of Hatteras Street 7 Comment
  OBI16928  Blennosperma nanum Robert F. Hoover 1966-3-30 9751 San Luis Obispo Carrizo Plain 1 mi S of Simmler, just north of Calif Valley HQ Comment
  OBI37647  Blennosperma nanum Rhonda Riggins 1985-3-17 1495 San Luis Obispo Los Padres NF. Navajo Mesa area just off Hwy 58, 5.5 mi E Shell Creek Rd Comment
  OBI54027  Blennosperma nanum var. nanum David J. Keil 1996-1 25814 San Luis Obispo Ca. 200 m from Hwy 58 on Navajo Rd. 396 Comment
  CAS-BOT-BC127820  Blepharizonia laxa R. F. Hoover 1946-9-22 6436 San Luis Obispo West of Paso Robles on road to Adelaida Comment
  OBI58660  Blepharizonia laxa David J. Keil, with V. L. Holland and Field Botany class 1996-10-10 26053 San Luis Obispo Shandon Rest area along Hwy. 46. Comment
  SBBG7811  Blepharizonia plumosa subsp. viscida C. B. Hardham 1958-10-1 4030 San Luis Obispo E of Paso Robles, Creston Rd Comment
  UCSB16190  Bloomeria crocea Hardham, Clare San Luis Obispo Cambria 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
  SBBG2410  Boechera pulchra C. B. Hardham 1957-4-27 1756 San Luis Obispo W edge of Carissa Plains, Washburn Ranch Comment
  OBI60576  Bolboschoenus maritimus subsp. paludosus Lynne Dee Oyler, David J. Keil 1990-5-10 1113 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 Comment
  SBBG38488  Bolboschoenus maritimus subsp. paludosus E. C. Twisselmann 1969-11-4 16328 San Luis Obispo Twisselmann Lake, San Andreas Fault at summit of Palo Prieto Cyn 701 Comment
  UC10281  Brassica nigra W. H. Brewer 1861-4-27 484 San Luis Obispo San Luis Obispo. Comment
  CAS-BOT-BC36785  Brassica rapa Clare B. Hardham 1957-9-23 2650 San Luis Obispo Santa Lucia Mountains. Atascadero Lake. Comment
  OBI31284  Brickellia californica Joy Nishida 1982-8-12 560 San Luis Obispo 2.9 mi NW of American Canyon on San Jose Avenales rd Comment
  UCR123185  Briza maxima George K. Helmkamp, E. A. Helmkamp 1998-5-19 3875 San Luis Obispo Outer South Coast Range; Santa Lucia Range, southwest of Paso Robles along CA Hwy 46 at York Mountain Road 366 Comment
  UCD57405  Briza minor Beecher Crampton 1964-5-18 6990 San Luis Obispo San Luis Obispo County: Santa Margarita. Santa Margarita Creek. Comment
  UC1133999  Brodiaea terrestris subsp. terrestris H. C. Lee 1937-5-25 998 San Luis Obispo 1 mi ne Creston; Paso Robles Quad. 335 Comment
  OBI66824  Bromus David J. Keil, with Kathleen A. Keil 2002-3-29 29773 San Luis Obispo Lopez Reservoir. Vicinity of 35.20391 deg. N x 120.47009 deg. W Comment
  OBI59052  Bromus David J. Keil 1998-6-15 27828 San Luis Obispo Along Santa Rita Creek Rd. W of Templeton, 2-3 miles W of junction with Vineyard Drive. Comment
  OBI22436  Bromus arenarius Robert F. Hoover 1947-4-20 6997 San Luis Obispo Sycamore Crk, W slope of La Panza Range Comment
  POM182761  Bromus carinatus J. H. Barber s.n. San Luis Obispo [no additional locality data] Comment
  RSA163783  Bromus carinatus Clare B. Hardham 1957-4-23 1711 San Luis Obispo Atascadro Ranch Comment
  CAS-BOT-BC149000  Bromus carinatus var. carinatus Clare B. Hardham 1958-3-22 2967 San Luis Obispo Santa Lucia Mountains. San Bernardo Creek. (Morro Bay). Comment
  OBI80472  Bromus catharticus David J. Keil 1992-1 22960 San Luis Obispo Laguna Lake City Park. Along Madonna road in grassy strip with lawn 170 Comment
  CAS-BOT-BC156179  Bromus catharticus Ernest C. Twisselmann 1959-11-2 5857 San Luis Obispo Santa Maria Valley. Nipomo Road, 3 miles northeast of Guadalupe. 24 Comment
  OBI42292  Bromus diandrus David J. Keil, LynneDee Oyler and Rick Oyler 1986-5-17 19492 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
  RSA713433  Bromus diandrus Daisie Huang 2006-3-19 60319 -13 San Luis Obispo vacant lot at 101 and Santa Maria Rd. Sand, no trees. 101 Comment
  CAS-BOT-BC155729  Bromus diandrus Ernest C. Twisselmann 1969-4-24 15178 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles. 228 Comment
  CAS-BOT-BC155738  Bromus diandrus Clare B. Hardham 1957-4-2 1608 San Luis Obispo Santa Lucia Mountains. WIllows Creek. Comment
  OBI80630  Bromus hordeaceus David J. Keil 1992-1 22965 San Luis Obispo Laguna Lake City Park. Along Madonna road in grassy strip with lawn 170 Comment
  CAS-BOT-BC155150  Bromus hordeaceus Clare B. Hardham 1961-5-18 7102 San Luis Obispo Santa Lucia Mountains. Between Pine Mountain and Rocky Butte. Comment
  OBI2595  Bromus hordeaceus Larry E. Brown 1970-4-11 1770 San Luis Obispo Near Santa Ynez River, ca. 8 mi from San Marcos Pass Rd Comment
  OBI42134  Bromus madritensis subsp. rubens David J. Keil, LynneDee Oyler and Rick Oyler 1986-5-17 19477 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
  SEINET3922883  Bromus madritensis subsp. rubens George K. Helmkamp 2004-3-4 8324 San Luis Obispo Central Coast: Nipomo Mesa, along Pomeroy Rd, 0.2 mi N of Willow Rd, NW of Nipomo (Oceano 7.5' Q.).; 0 91 Comment
  UC2027485  Bromus madritensis subsp. rubens Greg Wilvert 2005-4-5 113 San Luis Obispo Southeast Half of the Caliente Range: 1.5 km S of Soda Lake Road along Padrones Canyon Road. Comment
  OBI22399  Bromus madritensis subsp. rubens Robert D. Page 1962-3-31 60 San Luis Obispo Dune area at the foot of Morro Bay Comment
  CAS-BOT-BC162070  Bromus pseudolaevipes R. F. Hoover 1947-5-24 7197 San Luis Obispo Pilitas Creek district. Comment
  OBI2623  Bromus sitchensis Larry E. Brown 1971-4-4 1924 San Luis Obispo In Perfumo Cyn near San Luis Obispo Comment
  OBI45131  Bromus sitchensis David J. Keil, Mark Meredith 1984-4-14 18120 San Luis Obispo Ridge system S of Arroyo de la Cruz, N of San Simeon Comment
  OBI42215  Bromus sterilis David J. Keil, LynneDee Oyler and Rick Oyler 1986-5-17 19490 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
  CAS-BOT-BC185624  Bromus tectorum Clare B. Hardham 1957-5-6 1832 San Luis Obispo Santa Lucia Mountains. 0.75 mile southeast of Atascadero Lake. Comment
  CAS-BOT-BC185625  Bromus tectorum Ernest C. Twisselmann 1955-5-1 1912 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch. 670 Comment
  POM186496  Cakile edentula T. Craig 1933-7-3 s.n. San Luis Obispo Pismo Beach. Comment
  UC1296297  Cakile maritima R. F. Hoover 1947-4-13 6917 San Luis Obispo n end of Morro Bay Morro Bay Comment
  RSA710127  Cakile maritima var. maritima George K. Helmkamp 2004-3-23 8390 San Luis Obispo Central Coast: ENE of Nipomo, 1.5 miles SW of Rancho Road along Dana Foothill road. 171 Comment
  SBBG93728  Calandrinia breweri S. A. Junak 1990-4-26 4204 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
  OBI58520  Calandrinia ciliata David J. Keil 1998-3-27 26484 San Luis Obispo Montana de Oro State Park. Slopes W of Valencia Peak burned over in summer 1997 244 Comment
  OBI74999  Calandrinia ciliata David J. Keil 1988-3-19 20435 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI69515  Calendula officinalis David J. Keil 2007-10-31 s.n. San Luis Obispo 940 Del Rio Ave, San Luis Obispo 61 Comment
  UCD84296  Callitriche heterophylla var. bolanderi 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
  RSA141040  Callitriche peploides Clare B. Hardham 1960-5-5 5663 San Luis Obispo Pine Mt.; Santa Lucia Mts. 762 Comment
  SBBG104376  Callitriche trochlearis M. D. Proctor, E. A. Young 1993-3-19 ROB 267 San Luis Obispo ca. 0.5 km N of Bee Rock Rd on East Perimeter Rd; Camp Roberts Comment
  UCSB51169  Callitriche trochlearis Ferren, Wayne 1984-2-29 San Luis Obispo proposed nature reserve, upper campground area; San Simeon State Beach Comment
  OBI80974  Calochortus albus Johnny Boetsch, Meg Faibisch, Lilian Krosse, Sabrina Orro, Eric Womack 2015-4-12 1 San Luis Obispo Rinconada Trail (20 ft down trail) right side Comment
  SBBG125607  Calochortus albus D. Keil 1987-5-6 20138 San Luis Obispo Hwy 229 ca. 0.5 mi N of jct with Hwy 58 Comment
  CAS-BOT-BC492199  Calochortus albus Roxana S. Ferris 1939-6-2 9765 San Luis Obispo 16 miles east of Paso Robles on the Paso Robles-Adelaide road. Santa Lucia Mountains Comment
  SBBG110192  Calochortus albus C. B. Hardham 1956-5-30 785 San Luis Obispo Vitamin D Ranch Comment
  UC454391  Calochortus albus I. J. Condit 1910-6-4 San Luis Obispo Pettit Canyon San Luis Obispo Comment
  UC1927885  Calochortus argillosus David Keil, Tina Teed and Mariko Uchida 2001-6-15 29566 San Luis Obispo Camp San Luis Obispo. Chorro Creep drainage. Chorro Creek Bog Thistle exclosure Comment
  CAS-BOT-BC132356  Calochortus clavatus C. Butterworth; Clare B. Hardham 1960-6-17 6156 San Luis Obispo Hi Mountain, Pozo Comment
  OBI55203  Calochortus clavatus Greg Frugoli 1997-5-31 95 San Luis Obispo Found 2 mi NE of end of pavement on Pozo Rd W of the summit; La Panza Range, Los Padres NF (Hwy 58 burn area) Comment
  UCR118371  Calochortus clavatus var. clavatus George K. Helmkamp, E. A. Helmkamp 1998-7-1 4255 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  SBBG57703  Calochortus luteus J. R. and R. C. Robbins 1932-6-9 San Luis Obispo 10 mi inland from Cayucos 304 Comment
  CAS-BOT-BC132429  Calochortus obispoensis R. F. Hoover 1969-6-22 11378 San Luis Obispo Chorro Creek Canyon (Serrano Canyon) Comment
  OBI53961  Calochortus obispoensis David J. Keil, Justin Epting 1995-6-14 25377 San Luis Obispo Coastal foothills of Santa Lucia Mts. Cal Poly's Pennington Crk Biological Rserve Comment
  UC1226828  Calochortus splendens P. J. Hurd and Stage 1962-6-8 62 -9 San Luis Obispo 1.6 mi e Santa Margarita Comment
  SBBG104505  Calochortus venustus F. L. Johnson, E. A. Young 1993-5-24 ROB 543 San Luis Obispo 2 km S of Twin Bridges; Camp Roberts Comment
  UCSC002293  Calochortus venustus I. J. Condit 1911-6-13 s.n. San Luis Obispo Morro Bay, roadside Comment
  CDA16194  Calyptridium monandrum G. F. Hrusa, D. Ragan 1999-4-21 15009 San Luis Obispo Oceano Dunes; Oceano Dunes, immediately W of Callender Rd. along SP railroad tracks. 106 Comment
  SBBG104821  Calyptridium monandrum C. B. Hardham 1960-4-29 5530 San Luis Obispo Atascadero Comment
  SD245327  Calystegia longipes David Keil 1998-6-10 27771 San Luis Obispo Los Padres National Forest. Black Mountain Road, 0.2-0.3 miles above (northwest) junction with Navajo Road. Comment
  HSC91833  Calystegia macrostegia subsp. cyclostegia Susan H. Bicknell 1989-4-17 San Luis Obispo Montano de Oro State Park, MDO1 Comment
  OBI15312  Calystegia macrostegia subsp. cyclostegia B. W. & T. W., T. W. 1967-4-4 s.n. San Luis Obispo Perfumo Canyon Comment
  SBBG94024  Calystegia macrostegia subsp. cyclostegia S. A. Junak with T. J. Ayers, D. Shaw 1989-5-10 4004 San Luis Obispo West Cuesta Ridge, S of main rd at SW corner of the Cuesta Ridge Botanical Area, along dirt rd on W side of the upper portion of the Pick and Shovel Mine 585 Comment
  CAS-BOT-BC221378  Calystegia macrostegia subsp. cyclostegia W. R. Dudley 1903-4-3 s.n. San Luis Obispo Near Second Tunnel R.R. in Santa Margarita Mountains Comment
  OBI29862  Calystegia macrostegia subsp. cyclostegia Ruth David 1964-5-10 76 San Luis Obispo One mi into Reservoir cyn, one mi N of SLO Comment
  RSA71102  Calystegia macrostegia subsp. cyclostegia F. W. Peirson 1925-3-25 5670 San Luis Obispo Morro Creek Divide 427 Comment
  SBBG109603  Calystegia malacophylla subsp. pedicellata C. B. Hardham 1971-4-24 18028 b San Luis Obispo Avenales Ranch Comment
  CAS-BOT-BC221167  Calystegia malacophylla subsp. pedicellata Clare B. Hardham 1956-5-17 741 San Luis Obispo Santa Lucia Mountains. San Marcos Creek, Chimney Rock Ranch Comment
  OBI75137  Calystegia purpurata subsp. purpurata Robert F. Hoover 1964-5-11 8785 San Luis Obispo Road to Hi Mtn from Pozo-Arroyo Grande summit Comment
  CAS-BOT-BC436437  Calystegia subacaulis subsp. episcopalis Ira L. Wiggins 1929-4-16 3645 San Luis Obispo 8 miles N of Cayucos Comment
  OBI66850  Calystegia subacaulis subsp. episcopalis David J. Keil, with Tina Teed and Mariko Uchida 2001-6-15 29591 San Luis Obispo Camp San Luis Obispo. Chorro Creep drainage. Chorro Creek Bog Thistle exclosure. Vicinity of 35.3442 deg. N, 120.6800 deg. W 244 Comment
  RSA465980  Camissonia boothii subsp. decorticans T. W. Minthorn 1925-6-16 s.n. San Luis Obispo Paso Robles. Comment
  OBI66426  Camissonia campestris subsp. campestris David J. Keil, with Kathleen A. Keil 1997-3-29 26119 San Luis Obispo La panza mountains. 1 mile from highway 58 along red hill road. Comment
  UCD163529  Camissonia campestris subsp. campestris CNPS Melinda Elster; Sara Taylor 2015-4-26 CARR- 838 A San Luis Obispo San Luis Obispo County: Carrizo Plain National Monument. 737 Comment
  RSA14186  Camissonia campestris subsp. campestris Roxana S. Ferris 1935-3-30 9138 San Luis Obispo Head of Cuyama Valley near Kern County Line. Comment
  RSA186641  Camissonia campestris subsp. obispoensis Peter H. Raven 1963-5-5 18301 San Luis Obispo 1.8 miles west of Bee Rock. Comment
  SBBG4917  Camissonia campestris subsp. obispoensis C. B. Hardham 1959-5-20 4567 San Luis Obispo shore of Nacimiento Lake near Cantinas Crk Comment
  UCR16387  Camissonia cheiranthifolia K. A. Lamb 1968-5-4 4 San Luis Obispo Central Coast, Morro Bay, road to Morro Rock Comment
  RSA0115044  Camissonia cheiranthifolia Lyman Benson 1963-5-5 16261 San Luis Obispo Oso Flaco Lake; sand dunes near Guadalupe. 7 Comment
  RSA43104  Camissonia cheiranthifolia subsp. cheiranthifolia Robert F. Hoover 1946-8-4 6273 San Luis Obispo North end of Morro Bay Comment
  RSA43088  Camissonia micrantha Robert F. Hoover 1947-4-26 7099 San Luis Obispo 10 miles E of Creston on La Panza Road. Comment
  RSA186471  Camissonia micrantha Peter H. Raven 1963-5-5 18317 San Luis Obispo 4.2 miles northeast of Santa Margarita, at junction to Parkhill District Comment
  UCR14576  Camissonia pusilla George K. Helmkamp 1974-4-28 s.n. San Luis Obispo Central Coast, Baywood Park 30 Comment
Read comments
Oct 25 2019
  OBI58530  Camissonia strigulosa David J. Keil 1998-4-9 26633 San Luis Obispo USFS trailhead area on Hwy 166 NE of Tepesquet Canyon Rd. Comment
  UCSB42069  Camissonia strigulosa McEnulty, Mary 1979-5-30 San Luis Obispo Nipoma Mesa 30 Comment
  POM98547  Camissonia strigulosa P. A. Munz 1925-3-25 9243 San Luis Obispo Morro. Comment
  OBI5042  Camissoniopsis cheiranthifolia Robert J. Rodin 1956-5-29 6086 San Luis Obispo S end of Morro Bay Comment
  OBI56759  Camissoniopsis hardhamiae David J. Keil 1986-4-13 19196 San Luis Obispo 2 mi E from jctn with Las Pilitas Rd on Parkhill rd. S side of hwy Comment
  OBI69510  Camissoniopsis intermedia David J. Keil, with V. L. Holland 2008-6-12 30550 San Luis Obispo Ca. 2 miles east of Santa Margarita, ca. 0.5 road mile south of junction with Highway 58 along Digger Pine Road. Comment
  OBI32164  Camissoniopsis micrantha David J. Keil 1982-6-26 16207 San Luis Obispo Vicinity of Arroyo de la Cruz N of San Simeon Comment
  SBBG109246  Campanula griffinii C. B. Hardham 1961-4-17 6840 San Luis Obispo Pine Mtn 1005 Comment
  OBI80537  Capsella bursa-pastoris Josh Walker 2013-2-7 2 San Luis Obispo Paso Robles; 1 mile west of 24th and Vine St. on Nacimiento Lake Drive; 100 ft north of road. 338 Comment
  CAS-BOT-BC37654  Cardamine californica G. K. Helmkamp 1997-3-8 1450 San Luis Obispo Southeast of Los Osos. Swift Ranch, starting ca. 2 miles south of Los Osos Valley Road on Clark Valley Road. 107 Comment
  OBI57174  Cardamine californica David J. Keil 1998-3-27 26489 San Luis Obispo Montana de Oro State Park. Slopes W of Valencia Peak burned over in summer 1997 244 Comment
  CAS-BOT-BC37647  Cardamine californica R. F. Hoover 1947-1-4 6582 San Luis Obispo Upper Arroyo Grande 6 miles above County Park. Comment
  UC1296159  Cardamine californica var. integrifolia R. F. Hoover 1947-3-8 6658 San Luis Obispo near Piedras Blancas Point; near Piedras Blancas Point Comment
  CAS-BOT-BC37979  Cardamine oligosperma Clare B. Hardham 1956-3-4 193 San Luis Obispo Santa Lucia Mountains. Paradise Valley, Atascadero. Comment
  RSA175133  Cardionema ramosissimum P. C. Everett 1963-4-21 31616 San Luis Obispo Sandy plain, S side of Morro Bay. 6 Comment
  OBI27188  Carduus pycnocephalus Thomas Burrows 1980-5-17 67 San Luis Obispo Reservoir cyn 152 Comment
  SBBG133083  Carduus pycnocephalus D. Keil, T. Teed, Mariko Uchida 2001-6-15 29562 San Luis Obispo Chorro Crk drainage, Chorro Crk Bog Thistle exclosure; Camp San Luis Obispo 243 Comment
  UCR134407  Carduus pycnocephalus George K. Helmkamp, E. A. Helmkamp 2001-4-29 6567 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
  OBI66194  Carduus pycnocephalus D. R. Miller 1994-5-19 594 -362 San Luis Obispo Pine Mt Region. Main rd edge near Egebergs Walnut orchard San Simeon Crk Drainage Comment
  SBBG104744  Carduus pycnocephalus subsp. pycnocephalus F. L. Johnson, E. A. Young 1993-5-24 ROB 574 San Luis Obispo ca. 2 km SE of Twin Bridges on Boy Scout Rd; Camp Roberts Comment
  OBI75212  Carduus tenuiflorus David J. Keil 2011-6-6 31044 San Luis Obispo Campus of California Polytechnic State University, San Luis Obispo. Weed-covered hillside northwest of athletic fields 117 Comment
  RSA364554  Carex Thekla Mohr 1911-07 s.n. San Luis Obispo San Luis Obispo Comment
  UCD140081  Carex amplifolia L. P. Janeway 1988-7-2 2942 San Luis Obispo San Luis Obispo County: at upper reach of Brush Creek, around 1.5 mile south of 'town' of Brush Creek. Sedge dominated meadow. Common. 952 Comment
Read comments
Dec 8 2017
  SBBG29945  Carex barbarae R. S. Ferris 1939-6-9 9774 San Luis Obispo northern edge of Atascadero Comment
  SBBG124970  Carex douglasii C. B. Hardham 1991-5-18 30804 San Luis Obispo Caliente Mtn 1493 Comment
  CAS-BOT-BC20602  Carex douglasii R. F. Hoover 1953-9-9 8328 San Luis Obispo Caliente Mountain. On ridge about 2 miles west of peak. Comment
  CAS-BOT-BC20402  Carex globosa R. F. Hoover 1948-2-22 7421 San Luis Obispo 1.8 mile N of Arroyo de la Cruz on State Highway no. 1. Comment
  CAS-BOT-BC20405  Carex globosa R. F. Hoover 1950-5-7 7896 San Luis Obispo Santa Lucia Range. Between Rocky Butte and Pine Mountain. Comment
  SBBG109306  Carex harfordii C. B. Hardham 1960-6-17 6183 San Luis Obispo Cambria Comment
  OBI64515  Carex harfordii Robert F. Hoover 1947-3-1 6634 San Luis Obispo Cambria Comment
  UC1108384  Carex luzulina var. luzulina Clare B. Hardham 1959-6-8 4770 San Luis Obispo Cypress Mountain, N slope Santa Lucia Mountains Comment
  CAS-BOT-BC119429  Carex nudata R. F. Hoover 1947-3-23 6720 San Luis Obispo Rinconada Mine, W of Pozo Comment
  CAS-BOT-BC119438  Carex nudata Clare B. Hardham 1960-5-10 5661 San Luis Obispo Cypress Swamp NE slope Cypress Mt. Comment
  RSA0055099  Carex obispoensis James R. Shevock 1972-4-1 1536 San Luis Obispo Questa Ridge Summit. 800 Comment
  UCSB45251  Carex obnupta Engle, M. 1979-4-14 San Luis Obispo 1/2 north of Lopez Road; on unmarked dirt road 213 Comment
  UCR67025  Carex pansa George K. Helmkamp 1990-9-3 s.n. San Luis Obispo Central Coast, Los Osos, north of Buckskin and Martingale 46 Comment
  OBI81338  Carex praegracilis David J. Keil, Janet Haden 1988-5-24 20695 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  SD249084  Carex serratodens David J. Keil, V. L. Holland 2003-4-7 30117 San Luis Obispo Red Mountain Road northeast of San Simeon. 518 Comment
  CAS-BOT-BC116850  Carex subbracteata var. subbracteata R. F. Hoover 1947-4-18 6941 San Luis Obispo Cambria. Comment
  HSC91826  Carex subfusca Susan H. Bicknell 1989-4-18 San Luis Obispo Montana de Oro State Park, along Cable Trail Comment
  OBI76886  Carex subfusca D. R. Miller 2012-3-30 312 .1015 San Luis Obispo Rocky Butte/Pine Mt Region. At Cole Ranch, above Marmolejo crk 770 Comment
  CAS-BOT-BC230106  Carpobrotus chilensis R. F. Hoover 1964-3-27 8660 San Luis Obispo Oceano Beach Comment
  OBI4309  Carpobrotus chilensis Felice C. Movich 1969-4-2 14 San Luis Obispo Dunes near Montana de Oro, south of Morro Bay Comment
  CDA43147  Carthamus tinctorius David J. Keil 1992-6-16 23296 San Luis Obispo Pismo Beach, along US 101. 0 Comment
  OBI29117  Castilleja affinis Karen Symonds 1982-7-25 21 San Luis Obispo Montana de Oro State park, along Coon Crk trl Comment
  OBI9667  Castilleja affinis G. Thomas Robbins, John Weiler 1959-8-8 4148 San Luis Obispo About 1.5 mi SE of Oso Flaco Lake 15 Comment
  SBBG25515  Castilleja affinis J. Patman 1963-4-13 1116 San Luis Obispo just S of Oceano 6 Comment
  SBBG82583  Castilleja affinis T. L. Secrest 1951-9-15 San Luis Obispo Oceano Comment
  OBI5604  Castilleja affinis Sharon Jochums 1974-5-19 214 San Luis Obispo Arroyo de la Cruz just W of hwy 1 Comment
  OBI7352  Castilleja affinis Mark Fresh 1976-2-26 9 San Luis Obispo 3 mi into See Cyn on the left side of the rd Comment
  OBI9695  Castilleja affinis Jesse Arnold 1964-2-25 26 San Luis Obispo W bank of Stenner Crk, across from Cal Poly swine unit Comment
  OBI69051  Castilleja affinis subsp. affinis Steve Ingram 1990-5-10 436 San Luis Obispo About 1/3 km NW of Oso Flaco Lake Comment
  UC1341876  Castilleja affinis subsp. affinis Noel H. Holmgren and James L. Reveal 1966-6-1 2620 San Luis Obispo nw of Guadalupe (sand dunes by Oso Flaco Lake); Oso Flaco Lake Comment
  CDA17688  Castilleja affinis subsp. affinis A. Griffiths, G. F. Hrusa, D. Ragan, E. Thompson, P. Hertel 1985-3-17 s.n. San Luis Obispo Arroyo de la Cruz; along S & W ridges of Arroyo de la Cruz. 0 Comment
  JEPS54494  Castilleja affinis subsp. affinis Ernest C. Twisselmann 1967-4-27 12929 San Luis Obispo s side San Carpoforo Creek 53 Comment
  JEPS60171  Castilleja affinis subsp. affinis L. R. Heckard 1969-4-17 2147 San Luis Obispo about 1.5 mi n Pismo Beach (along Pismo Beach-Edna road (Price Canyon)) Comment
  SBBG116914  Castilleja affinis subsp. affinis C. F. Smith 1962-8-7 8051 San Luis Obispo Union Oil Lease, N of mouth of Santa Maria River Comment
  UC76437  Castilleja affinis subsp. affinis Herbert Waterman Jun 1895 San Luis Obispo Los Berros; sw San Luis Obispo County Comment
  OBI31215  Castilleja attenuata Julie M. Vanderwier 1979-5-4 155 San Luis Obispo Indian Knob Tar Sands Comment
  OBI58772  Castilleja attenuata David J. Keil, with Kathleen A. Keil 1998-4-18 26806 San Luis Obispo Area around Shell Creek both N and S of Shell Creek Rd; 1/2 mile from Hwy 58. Comment
  OBI9385  Castilleja attenuata Robert F. Hoover 1967-4-5 10364 San Luis Obispo W edge of Carrizo Plain, on hwy 58 Comment
  UCSB26849  Castilleja attenuata Keefe, Joseph 1963-3-23 San Luis Obispo San Simeon 9 Comment
  OBI31210  Castilleja densiflora subsp. obispoensis Julie M. Vanderwier 1978-5-18 30 San Luis Obispo Indian Knob Tar Sands Comment
  OBI62702  Castilleja densiflora subsp. obispoensis Cletis England 2003-5-19 D 220 San Luis Obispo Tract 1998, La Canada Rd, Arroyo Grande. The property is on the E side of Hwy 101, approx. 0.3 mi E of Oak Park blvd Comment
  OBI3956  Castilleja exserta Elizabeth Rudd 1971-4-3 218 San Luis Obispo 3 mi NE of Santa Margarita 335 Comment
  SFV20728  Castilleja exserta S. Kimball 1999-3-26 1 San Luis Obispo Carrizo Plain Carrizo Plain Natural Area. Swain Pasture, north side of Soda Lake Road. 700 Comment
  JEPS74767  Castilleja exserta subsp. exserta L. R. Heckard, T. I. Chuang and R. C. Bacigalupi 1975-4-22 3776 San Luis Obispo just w Halcyon Road intersection (eastern one) (mesa above Nipomo Dunes, Calif Route 1) Comment
  OBI66264  Castilleja foliolosa David J. Keil 1997-4-18 26184 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
  UCR163648  Castilleja foliolosa George K. Helmkamp, E. A. Helmkamp 2005-3-30 9242 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
  JEPS36188  Castilleja foliolosa Ernest C. Twisselmann 1964-4-30 9268 San Luis Obispo 0.5 mi n 13th Street (North River Road, Paso Robles); Paso Robles 225 Comment
  RSA63024  Castilleja mollis L. S. Rose 1950-5-13 50125 San Luis Obispo Oso Flaco Lake region Comment
  CAS-BOT-BC241106  Castilleja mollis Edith A. Purer 1933-7-20 5080 San Luis Obispo Northwest of Guadalupe Comment
  OBI9637  Castilleja wightii Robert F. Hoover 1948-2-22 7419 San Luis Obispo 1.8 mi N of Arroyo de la Cruz on State hwy 1 Comment
  JEPS54052  Caulanthus anceps W. L. Jepson 1932-4-4 16219 San Luis Obispo opposite Elkhorn Scarp; Carrizo Plain 640 Comment
  OBI62188  Caulanthus anceps G. F. Hrusa, L. Saslaw 2001-4-12 15776 San Luis Obispo Carrizo Plain Natl Monument. Wells Ranch Rd, +/- 1 mi W of Soda Lake Rd. Quad Weels Ranch 7.5 660 Comment
  RSA28870  Caulanthus anceps Lincoln Constance, A. A. Beetle 1940-3-22 2536 San Luis Obispo Carrizo Plain, 10.5 miles S of Simmler 762 Comment
  OBI48177  Caulanthus californicus Ann and Douglas Chadwick, Douglas Chadwick 1988-1 San Luis Obispo Comment
  OBI14922  Caulanthus coulteri Robert F. Hoover 1949-4-12 7599 San Luis Obispo Cuyama Cyn 12 mi below Gypsum Cyn hwy bridge, N side of river Comment
  UC117795  Caulanthus coulteri Alice Eastwood 1896-5-2 San Luis Obispo near the boundary between Santa Barbara and San Luis Obispo Counties White Hills, Cuyama Comment
  UC1982129  Caulanthus coulteri var. lemmonii Amber Swanson with Julie Evans 2010-3-30 128 San Luis Obispo South of Chimeneas Ranch, off Gilliam Springs Rd, 3 mi down Carrizo Canyon Rd from Ranch. UTM Zone 11; ; 227557E, 3891495N Comment
  CDA42275  Caulanthus inflatus G. F. Hrusa, M. Pitcairn 2015-4-13 18626 San Luis Obispo Caliente Mts., Pipeline Rd., west side of east end of Carrizo Plain. 917 Comment
  RSA0029370  Caulanthus inflatus Greg Wilvert 2005-3-27 59 San Luis Obispo Southeast half of the Caliente Range. 200 m W of Pipeline Rd. 849 Comment
  OBI82538  Caulanthus lasiophyllus David J. Keil, with Lynne Dee Althouse and Shannon Henke 2016-2-26 33485 San Luis Obispo Southeast of Cholame in southern Cholame Valley along San Andreas Fault zone 630 Comment
  CAS-BOT-BC40357  Caulanthus lasiophyllus Clare B. Hardham 1957-3-23 1547 San Luis Obispo Santa Lucia Mountains. 7 miles east of Templeton. Comment
  CAS-BOT-BC40376  Caulanthus lasiophyllus D. E. Breedlove 1962-3-24 1980 San Luis Obispo 1.4 miles northeast of U.S. 466 at Cholame on State 41. 365 Comment
  CAS-BOT-BC40380  Caulanthus lasiophyllus Ira L. Wiggins 1929-4-15 3565 San Luis Obispo Not far from the ocean between Guadalupe and Oceana. Comment
  OBI55229  Caulanthus lasiophyllus Greg Frugoli 1997-4-7 27 San Luis Obispo Black Mtn Rd, La Panza Range, Los Padres NF (Hwy 58 burn area) 853 Comment
  CAS-BOT-BC39522  Caulanthus lemmonii R. F. Hoover 1950-4-2 7786 San Luis Obispo West branch of Fernandez Creek. Just above La Panza - Creston Road. Comment
  CAS-BOT-BC39501  Caulanthus lemmonii Ernest C. Twisselmann 1957-5-3 3480 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carrisa Plains. Flood wash 9.9 miles south of Soda Lake. 640 Comment
  SDSU10340  Ceanothus cuneatus D. F. Howe 1960-4-9 2841 San Luis Obispo Area east of Morro Bay. 61 Comment
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Jul 21 2012
  UCR1345  Ceanothus cuneatus Frank C. Vasek 1960-4-10 600410- 28 San Luis Obispo Coast Range, La Panza Public Campground on the Pozo Road, between Pozo and La Panza 671 Comment
  CAS-BOT-BC64462  Ceanothus cuneatus subsp. fascicularis R. F. Hoover 1948-2-25 7423 San Luis Obispo Oak Park District. Comment
  CAS-BOT-BC64465  Ceanothus cuneatus subsp. fascicularis Ernest C. Twisselmann 1959-5-23 5273 San Luis Obispo Pecho Hills, just n. of the mouth of Hazard Canyon. Shandon. 38 Comment
  UC1071108  Ceanothus cuneatus var. cuneatus A. D. Gifford 1936-5-6 730 San Luis Obispo 3 mi nnw. Park Ranch; Nipomo quad. 335 Comment
  OBI66834  Ceanothus cuneatus var. fascicularis Austin P. Griffiths, G. F. Hrusa 1987-4-29 18155 San Luis Obispo Montana de Oro State Park; Near W end of redige sand plain W. Sand dunes N of Hazard Cyn Comment
  UC580701  Ceanothus foliosus B. Bolt 1936-4-10 662 San Luis Obispo 2 mi ne mouth of Smith Creek; Cayucos quad. 335 Comment
  RSA20397  Ceanothus foliosus var. medius Roxana S. Ferris, Ruth P. Rossbach 1938-5-12 9456 San Luis Obispo Eastern slope of the Coast Range 2 miles below the summit, State Highway 178 between Pozo and La Panza in Los Padres National Forest. Comment
  RSA535054  Ceanothus foliosus var. medius D. A. Young, Steven A. Junak, Tina J. Ayers 1989-4-27 1952 San Luis Obispo 0.1 mi W of sign denoting W end of the Cuesta Ridge Botanical area, along road. Comment
  OBI79498  Ceanothus hearstiorum Michael Walgren 2014-5-1 410 San Luis Obispo North coastal county, on a north facing slope east of highway one and immediately south of Arroyo de la Cruz. 22 Comment
  CDA17699  Ceanothus hearstiorum Austin Griffiths 1986-4-3 s.n. San Luis Obispo Cultivated Plants; Arroyo de la Cruz ca. midway along south ridge. 0 Comment
  OBI10449  Ceanothus leucodermis Carl B. Wolf 1941-7-11 10979 San Luis Obispo S Coast Ranges, 11 mi SE of Santa Margarita on rd to Pozo (Calif Hwy 178) 396 Comment
  UC1276247  Ceanothus maritimus R. F. Hoover 1962-2-23 8532 San Luis Obispo n Arroyo de la Cruz (above site of former Washington School) Comment
  UCR1344  Ceanothus oliganthus Frank C. Vasek 1960-4-10 600410- 01 San Luis Obispo Central Coast, c. 1 mile west of Hwy 101 on a dirt road leading west from La Cuesta Summit, c. 6 miles north of San Luis Obispo 640 Comment
  SBBG93714  Ceanothus oliganthus var. sorediatus S. A. Junak 1990-5-1 4303 San Luis Obispo N edge of Cuesta Ridge Botanical Area, along old trail on ridge ca. 0.55 mi E of W Cuesta Ridge Rd, ca. 0.3 mi S of second high voltage tower E of W Cuesta Ridge Rd 594 Comment
  UC870653  Ceanothus oliganthus var. sorediatus Chester Dudley May 1937 San Luis Obispo Cuesta Pass Comment
  CAS-BOT-BC51578  Ceanothus oliganthus var. sorediatus R. F. Hoover 1947-4-2 6865 San Luis Obispo Upper Arroyo Grande 6mi. above County Park Comment
  OBI75658  Ceanothus oliganthus var. sorediatus Steven A. Junak 1990-5-1 4303 San Luis Obispo Santa Lucia Mts: at N edge of Cuesta Ridge Botanical Area, along old tril 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
  RSA122361  Ceanothus oliganthus var. sorediatus A. E. Wieslander 1934-4-27 6907 San Luis Obispo Hi. Mtn, Pozo. 640 Comment
  CAS-BOT-BC50419  Ceanothus papillosus Ira L. Wiggins 1932-3-24 5849 San Luis Obispo Roadsides and hills near Adelaide, W. of Paso Robles Comment
  UC1071387  Ceanothus spinosus B. Bolt 1936-2-4 564 San Luis Obispo 1/2 mi s of mouth Sycamore Canyon; San Luis Obispo Quad. Comment
  CAS-BOT-BC52271  Ceanothus thyrsiflorus R. F. Hoover 1947-3-16 6682 San Luis Obispo San Carpoforo Creek Comment
  SEINET10690335  Ceanothus thyrsiflorus John R. Stone, Sharon A. Bodine 2000-4-9 Stone 2929 San Luis Obispo Ca. 5 km north of Point Piedras Blancos off Rt. 1. Dunes and wet seeps. 0 Comment
  UCR161288  Centaurea iberica George K. Helmkamp, E. A. Helmkamp 2005-3-8 9075 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  OBI51672  Centaurea solstitialis T. J. Ayers, S. Junak 1989-6-22 758 San Luis Obispo Los Padres Natl forest; at TV towers just E of W Cuesta Ridge Rd, ca 3 mi W of hwy 101 762 Comment
  RSA488728  Centaurium davyi James L. Reveal, Clare B. Hardham 1988-5-26 6916 San Luis Obispo La Panza Range, Los Padres National Forest, northwest of Black Mountain in Indian Creek south of U. S. Forest Service Road 28S02 south of Wilson Corner, about 13 air miles east-northeast of Santa Margarita. 473 Comment
  CAS-BOT-BC272802  Centromadia parryi subsp. congdonii R. F. Hoover 1969-8-25 11553 San Luis Obispo South end of Laguna de San Luis Obispo Comment
  UCD98073  Cerastium glomeratum J. M. Tucker 1963-4-11 3679 San Luis Obispo San Luis Obispo County: on north side of State Highway 41, 15.1 miles (by road) east of Cambria. Comment
  CAS-BOT-BC388380  Cerastium glomeratum Ernest C. Twisselmann 1969-4-24 15205 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River 5 miles south of Paso Robles 228 Comment
  OBI19575  Cerastium glomeratum Robert F. Hoover 1947-3-26 6735 San Luis Obispo Price Cyn (just S of) Comment
  RSA166284  Ceratophyllum demersum M. A. Piehl 1963-8-4 63775 San Luis Obispo North arm of Oso Flaco Lake Comment
  JEPS99472  Cercocarpus betuloides Clare B. Hardham 1958-4-8 2995 San Luis Obispo Santa Lucia Mountains Comment
  POM98103  Cercocarpus betuloides Philip A. Munz 1925-3-25 9200 San Luis Obispo Morro Creek. 305 Comment
  CAS-BOT-BC135404  Cercocarpus betuloides var. betuloides R. F. Hoover 1950-6-5 7981 San Luis Obispo Ridge northwest of Cuesta Pass Comment
  CAS-BOT-BC135405  Cercocarpus betuloides var. betuloides R. F. Hoover 1965-5-20 9371 San Luis Obispo Hill west of Ply Canyon, San Luis Obispo Comment
  OBI10207  Cercocarpus montanus var. glaber Robert F. Hoover 1964-5-11 8762 San Luis Obispo 5 mi W of Pozo Comment
  OBI74536  Chaenactis fremontii George Butterworth 2010-4-14 779 San Luis Obispo Chimineas Ranch. Cyn 79 518 Comment
  UCR254932  Chaenactis glabriuscula Greg de Nevers 1993-4-25 10394 San Luis Obispo Inner South Coast Range, Carrizo Plain 823 Comment
  OBI54427  Chaenactis glabriuscula var. glabriuscula Matthew Arterburn 1997-3-23 25 San Luis Obispo 1.3 mi on Red Hill Rd off hwy 58 Comment
  OBI16841  Chaenactis glabriuscula var. lanosa Robert F. Hoover 1947-3-29 6798 San Luis Obispo 5 mi E of Creston on La Panza Rd Comment
  OBI3843  Chaenactis glabriuscula var. lanosa Elizabeth Rudd 1971-4-3 204 San Luis Obispo 3 mi NE of Santa Margarita 335 Comment
  SD12571  Chaenactis glabriuscula var. lanosa Edith A. Purer 1933-7-20 5100 San Luis Obispo Northwest of Guadalupe Comment
  UC57438  Chaenactis glabriuscula var. lanosa J. H. Barber 1899-4-19 San Luis Obispo Paso Robles Comment
  UCR122486  Chaenactis glabriuscula var. lanosa George K. Helmkamp, E. A. Helmkamp 2001-5-2 6621 San Luis Obispo La Panza Range, Calif. Hwy 58, 11.2 miles east of Santa Margarita 488 Comment
  OBI16804  Chaenactis glabriuscula var. megacephala Robert F. Hoover 1947-4-4 6885 San Luis Obispo W side of Cottonwood Pass Comment
  UC1119735  Chaenactis stevioides N. H. French 1937-5-12 894 San Luis Obispo Cuyama Ranch McKittrick 579 Comment
  SEINET10531286  Chamaecyparis lawsoniana Dunn 1947-12-30 Dunn 3595 San Luis Obispo Plant 35 or more ft tall; N of Life Science Building. University of California at Berkeley campus cultivated plants. Comment
  RSA0028150  Chamaesyce ocellata Greg Wilvert 2005-6-29 487 San Luis Obispo Padrones Canyon Rd. 842 Comment
  CAS-BOT-BC70088  Cheilanthes covillei R. F. Hoover 1947-1-5 6588 San Luis Obispo West slope of La Panza Range Comment
  CAS-BOT-BC426311  Chenopodium Ernest C. Twisselmann 1954-7-18 1440 San Luis Obispo Temblor Range and Western San Joaquin Valley: Choice Valley Road, 1.5 miles S of Palo Prieta Summit 579 Comment
  OBI26510  Chenopodium album Kathlene Henry 1979-7-28 25 San Luis Obispo San Luis Obispo hwy 227, at the entrance to the San Luis Obispo Co. Airport 37 Comment
  OBI57379  Chenopodium berlandieri var. zschackei David J. Keil 1998-9-4 28112 San Luis Obispo Ranch land near Shandon, 0.2 miles S of junction with Hwy 41 on McMillan Canyon Rd. Comment
  UCD97931  Chenopodium berlandieri var. zschackei Ernest C. Twisselmann 1960-8-12 5986 San Luis Obispo San Luis Obispo County: South end of Grant's Lake, Shandon. 585 Comment
  JEPS116200  Chenopodium californicum E. L. Painter, M. Wetherwax, J. Greenhouse 2001-4-16 CR- 183 San Luis Obispo Camp Roberts. Near boundary road at south end of installation, above San Marcos Creek, north of San Marcos Road. Comment
  POM262033  Chenopodium californicum I. L. Wiggins 1929-4-13 3419 San Luis Obispo Along Salinas River 5 miles north of Paso Robles. Comment
  OBI67850  Chenopodium californicum E. L. Painter & M. Wetherwax, J. Greenhouse 2001-4-16 CR- 183 San Luis Obispo Camp Roberts. Near boundary rd at S end of installation, above San Marcos Crk, N of San Marcos Rd. UTMs NAD27 zone 10S, 702714E, 3951832N 280 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
  UC942915  Chenopodium littoreum Lewis S. Rose 1950-5-13 50116 San Luis Obispo Oso Flaco Lake region; coastal dunes Comment
  OBI80774  Chenopodium murale David J. Keil 2015-2-21 32681 San Luis Obispo Southeastern portion of San Luis Range. Pismo Preserve. Along Coastal Ridge Trail between trailhead at Longview Ave. loop and junction with road northeast toward Thousand Hills Road (between 35.154857 deg. , -120.635700 deg. and 35.159323 deg. , -120.646219 deg. ). 180 Comment
  OBI81294  Chenopodium murale George Procida, Taylor Wigglesworth 2015-5-6 13 San Luis Obispo Los Osos at intersection of Humboldt Street and Howard Avenue. Comment
  OBI28877  Chloris gayana David J. Keil 1982-9-3 16310 San Luis Obispo Campus of Calif Polytechnic State Univ next to Math-Home Ec Bldg Comment
  OBI51742  Chlorogalum pomeridianum R. Mike Arens 1994-3-12 20 San Luis Obispo Calif Polytechnic State Univ campus. Poly Cyn near Botanical Garden Yucca Ridge footpath 152 Comment
  CDA42309  Chondrilla juncea B. Villegas 1999-5-26 s.n. San Luis Obispo near MP marker 35.00, Cuesta Pass and Hwy 101. 463 Comment
  CAS-BOT-BC178908  Chorizanthe Chester Dudley 1936-4-1 s.n. San Luis Obispo Palo Prieto Canyon Comment
  CAS-BOT-BC178945  Chorizanthe angustifolia Alice Eastwood; John Thomas Howell 1937-4-23 3881 San Luis Obispo Nipomo Mesa Comment
  SD232771  Chorizanthe angustifolia G. Helmkamp 1996-5-27 1086 San Luis Obispo Los Osos. NE of the corner of Martingale and Buckskin. 60 Comment
  SEINET11265252  Chorizanthe angustifolia Barbara Ertter 1989-5-23 8481 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.; 0 Comment
  UCR142159  Chorizanthe angustifolia George K. Helmkamp, E. A. Helmkamp 2000-6-15 5672 San Luis Obispo Central Coast, between Los Osos and sand dunes west of the end of Howard St. 15 Comment
  CAS-BOT-BC178944  Chorizanthe angustifolia Alice Eastwood 1936-5-6 2228 San Luis Obispo Morro Sands Comment
  RSA166040  Chorizanthe angustifolia E. R. Chandler 1962-6-15 870 San Luis Obispo On the windswept through stabilized sand dunes, adjacent to Oso Placo Lake -15 Comment
  CAS-BOT-BC178967  Chorizanthe biloba Ernest C. Twisselmann 1954-6-3 1316 San Luis Obispo Hills at Summit of Palo Prieta Canyon, 7 miles S of Cholame. Temblor Range and the Western San Joquin Valley 670 Comment
  OBI73639  Chorizanthe biloba David J. Keil 2010-6-7 30875 San Luis Obispo La Panza Mountains. Highway 58 between La Panza Road and Shell Creek Road Comment
  UC454067  Chorizanthe breweri I. J. Condit 1910-3-27 San Luis Obispo School Canyon <California Polytechnic School>, C.P.S., School Canyon (<California Polytechnica School>, C.P.S.) Comment
  UCSB57197  Chorizanthe breweri Ryan, P.; Callaway, R. 1987-5-8 San Luis Obispo West side of US 101, serpentine roadcut 3.5 miles north of San Luis Obispo, at jct. with old highway. 243 Comment
  UCR142586  Chorizanthe californica George K. Helmkamp, E. A. Helmkamp 2000-6-15 5673 San Luis Obispo Central Coast, between Los Osos and sand dunes west of the end of Howard St. 15 Comment
  CAS-BOT-BC191839  Chorizanthe clevelandii Clare B. Hardham 1956-7-16 1171 San Luis Obispo Hills SE of Chimney Rock. Santa Lucia Mountains Comment
  OBI56448  Chorizanthe diffusa David J. Keil 1999-5-13 28341 San Luis Obispo Arroyo Grande area; Nipomo Mesa; 220 Summit Station Road. Comment
  OBI11226  Chorizanthe douglasii Robert F. Hoover 1969-6-3 11352 San Luis Obispo Moreno Cyn 3 mi E of Santa Margarita Comment
  RSA113137  Chorizanthe douglasii Roxana S. Ferris 1955-5-25 s.n. San Luis Obispo Park Hill District road by Morano Creek, 4 miles E of Santa Margarita Comment
  UC1136016  Chorizanthe membranacea T. M. Hendrix 1937-5-15 178 San Luis Obispo 6 3/4 mi ese Pozo; Pozo Quad., Los Padres National Forest Comment
  CAS-BOT-BC256950  Chorizanthe membranacea Ernest C. Twisselmann 1954-5-11 1210 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Summit of Palo Prieta Pass 640 Comment
  POM209666  Chorizanthe membranacea D. D. Keck 1934-4-26 2825 San Luis Obispo 4.1 miles west of La Panza Comment
  UC1949264  Chorizanthe membranacea Barbara Ertter 1989-6-10 8564 San Luis Obispo at edge of McGinnis Creek; E side Black Mt ca 20 air miles ENE of San Luis Obispo, 3 1/2 mi from Hwy 58 on rd to Navajo Campground; La Panza Range Comment
  CAS-BOT-BC252702  Chorizanthe obovata T. S. Brandegee 1885-7-1 s.n. San Luis Obispo San Luis Obispo Comment
  RSA781280  Chorizanthe obovata Elizabeth A. Kempton, J. Reveal 2008-5-10 558 San Luis Obispo Junction of Indian Knob and Squire Canyon Roads 172 Comment
  UC1392606  Chorizanthe obovata R. F. Hoover 1969-7-18 11488 San Luis Obispo Price Canyon Comment
  UC52597  Chorizanthe obovata Ida M. Blochman June 1893 San Luis Obispo Santa Maria Comment
  OBI11209  Chorizanthe obovata Robert F. Hoover 1964-8-14 9284 San Luis Obispo 1 mi S of Edna Comment
  UCSB59197  Chorizanthe obovata Penkala, B.; Ryan, P. 1987-6-25 San Luis Obispo On west side of Hwy. 227, 75 meters north of j ct. with Buck Ridge Ln., Arroyo Grande. 121 Comment
  OBI37889  Chorizanthe palmeri David J. Keil, Rhonda Riggins, Richard A. Pimentel and D. R. "doc" Miller 1985-4-27 18631 San Luis Obispo 19.5 mi from Calif rte 1 along San Simeon Creek rd, N of Rocky butte lookout at locked gate 732 Comment
  OBI51765  Chorizanthe palmeri R. Mike Arens 1994-6-10 94 San Luis Obispo Calif Polytechnic State Univ campus. Poly Cyn near Botanical Garden Yucca Ridge footpath 213 Comment
  SBBG117999  Chorizanthe palmeri E. Painter, D. Wilken 2003-8-4 SLO 346 San Luis Obispo W of Dughi Spring; Camp San Luis Obispo 500 Comment
  SBBG1417  Chorizanthe palmeri C. B. Hardham 1956-8-3 1246 San Luis Obispo Dellaganna Ranch, Cayucos Rd Comment
  RSA491696  Chorizanthe palmeri James L. Reveal, Rose Broome, Clare B. Hardham 1987-6-16 6470 San Luis Obispo Along Cypress Mountain Road (the dirt portion north of Black Mountain or old Hwy 46) about 1 mile north of the summit, about 15 airline miles NW of Atascadero. 640 Comment
  OBI11186  Chorizanthe rectispina R. F. Hoover 1949-5-29 7738 San Luis Obispo Summit between Creston and Calf Canyon, in opening of brush Comment
  OBI11183  Chorizanthe staticoides Robert F. Hoover 1947-5-9 7126 San Luis Obispo Sumit on rd from Morano Crk to Calf Cyn Comment
  OBI29598  Chorizanthe staticoides Robert J. Rodin 1962-5-10 6875 San Luis Obispo About 3 mi S of hwy 101 on Cuesta Summit Rd on rd maintained by the Forest Service and Telephone Company Comment
  UCD77538  Chorizanthe uniaristata Robert E. Preston 1998-6-12 1119 San Luis Obispo San Luis Obispo County: near base of N slope of Syncline Hill, 0.2 mi S of Hwy 58 at E end of the San Juan Grade. 640 Comment
  CAS-BOT-BC247793  Chorizanthe uniaristata R. F. Hoover 1953-5-17 8315 San Luis Obispo Skunk Well canyon near Marianas Ranch, Temblor Range Comment
  UC1296192  Chorizanthe watsonii R. F. Hoover 1950-5-6 7889 San Luis Obispo between San Juan River and Carrizo Plain; btwn San Juan River and Carrizo Plain Comment
  OBI58481  Chorizanthe xanti David J. Keil, with Rhonda Riggins and Karl Striby 1998-5-22 27379 San Luis Obispo Caliente Range, 3.7 mi. from junction with Soda Lake Rd. on Selby Rd. Comment
  OBI45919  Chorizanthe xanti David J. Keil, Rhonda Riggins and Kathryn Bay 1986-4-26 19252 San Luis Obispo Temblor Range. 1.15 mi NE of jctn of Elkhorn Rd on Crocker Grade Rd 838 Comment
  OBI60801  Chorizanthe xanti Clifton F. Smith 1991-6-28 12233 San Luis Obispo Along dirt rd to Cuyama Valley,ca 2-3 mi below Caliente Mtn ridge Comment
  CAS-BOT-BC255371  Chorizanthe xanti var. xanti R. F. Hoover 1949-6-4 7751 San Luis Obispo At San Juan River on Pozo-Simmler Road Comment
  OBI53405  Cirsium brevistylum Arthur W. Hazebrook 1993-5-23 225 San Luis Obispo Nipomo Dunes Complex, Riparian corridor along N base of Big Coreoopsis Hill Comment
  SBBG133420  Cirsium fontinale var. obispoense H. Schneider, B. Hill 2016-7-25 11 San Luis Obispo cuts on side of Perfumo Cyn Rd 95 Comment
  UCR67937  Cirsium fontinale var. obispoense David J. Keil 1977-8-22 12520 San Luis Obispo San Luis Range, Prefumo Canyon 150 Comment
  CDA31789  Cirsium occidentale var. californicum D. Griffin & A. Gilbert 1979-5-17 San Luis Obispo Parkfield Grade 0 Comment
  OBI16738  Cirsium occidentale var. compactum Robert F. Hoover 1964-6-13 9087 San Luis Obispo Point Sierra Nevada, just N of Arroyo de la Cruz 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
  OBI16728  Cirsium occidentale var. venustum Robert F. Hoover 1946-8-18 6303 San Luis Obispo 5 mi W of Pozo Comment
  OBI31538  Cirsium occidentale var. venustum Joy Nishida 1982-6-5 415 San Luis Obispo American Cyn. .2 mi S of American Cyn camgpround 518 Comment
  UCD130681  Cirsium scariosum var. loncholepis Malcolm A. Nobs; S. Galen Smith 1949-6-23 849 San Luis Obispo San Luis Obispo County: Oso Flaco Lake, about 4 miles northwest of Guadalupe. Comment
  CAS-BOT-BC438903  Cistanthe monandra Ernest C. Twisselmann 1955-5-18 1999 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Juan River Valley, 8.6 miles south of Shandon 426 Comment
  CAS-BOT-BC162543  Clarkia affinis Alice Eastwood 1926-5-5 13892 San Luis Obispo Cholame Comment
  OBI19833  Clarkia affinis Walter F. Chesbro 1978-5-26 250 A San Luis Obispo In Montana de Oro State Park Comment
  UC20351  Clarkia affinis W. H. Brewer 1861-4-30 508 San Luis Obispo Atascadero Comment
  OBI55239  Clarkia affinis Greg Frugoli 1997-4-15 34 San Luis Obispo 0.3 mi S of hwy 58 on Red Hill Rd, Los Padres NF (hwy 58 burn area) 597 Comment
  OBI6659  Clarkia bottae Greg Hassen 1975-7-8 19 San Luis Obispo Poly Cyn. Growing in botanical garden along path and along Poly Cyn rd Comment
  OBI72523  Clarkia bottae M. Wetherwax & E. L. Painter, E. L. Painter 2003-5-30 SLO- 342 San Luis Obispo First ridge W of Cerro Romualdo 130 Comment
  OBI72526  Clarkia bottae E. L. Painter & M. Wetherwax, K. Downing 2002-5-8 SLO- 264 San Luis Obispo Camp San Luis Obispo. First ridge W of Cerro Romualdo 108 Comment
  OBI58554  Clarkia cylindrica David J. Keil 1998-6-5 27633 San Luis Obispo Lower slopes of Caliente Range at Selby Camp, 4.2 road miles SE from Soda Lake Rd. Comment
  OBI47634  Clarkia cylindrica David J. Keil, Rhonda Riggins and Kathryn Bay 1986-4-26 19265 San Luis Obispo Temblor Range. 1.15 mi NE of jctn of Elkhorn Rd on Crocker Grade Rd 838 Comment
  UC161812  Clarkia cylindrica subsp. cylindrica Katharine Brandegee 1911-5-28 San Luis Obispo Paso Robles Comment
  CAS-BOT-BC172268  Clarkia cylindrica subsp. cylindrica Ernest C. Twisselmann 1956-5-7 2777 San Luis Obispo Ian McMillan Ranchgrounds, Gillis Canyon, Temblor Range and the Western San Joaquin Valley 512 Comment
  OBI79666  Clarkia epilobioides D. R. Miller 2014-5-10 514 .1089 San Luis Obispo The Rocky Butte/Pine Mountain Region, Single known location on Art Williams mine clam on Little Pine Mountain. 900 Comment
  OBI58327  Clarkia modesta David J. Keil 1998-5-20 27351 San Luis Obispo Los Padres National Forest. Vicinity of trailhead, about 11 mi. NE of junction with Tepusquet Canyon Road along Hwy 166. Comment
  CAS-BOT-BC162485  Clarkia prostrata Peter H. Raven 1957-6-26 10982 San Luis Obispo Oceanic bluffs just south of the junction of Arroyo de la Cruz Creek with State Highway 1 Comment
  SBBG4982  Clarkia purpurea subsp. quadrivulnera C. B. Hardham 1958-6-3 3481 San Luis Obispo Creston Rd, 6.5 mi E of Hwy 101 Comment
  OBI58544  Clarkia purpurea subsp. quadrivulnera David J. Keil 1998-5-4 27052 San Luis Obispo Los Padres National Forest. Just S of junction with Hwy 58 on Red Hill Rd. T29S R16E S1/2 S17 Comment
  OBI45343  Clarkia speciosa subsp. immaculata David J. Keil, Eric Wise 1982-1 San Luis Obispo Comment
  JEPS43750  Clarkia speciosa subsp. immaculata Rhoda R. Reed 1916-1 San Luis Obispo between Arroyo Grande Pizmo Comment
  LA87833  Clarkia speciosa subsp. immaculata H. Lewis; M. Lewis 1947-6-24 469 San Luis Obispo Carpenter Canyon rd, 3.8 mi S of Edna School Comment
  UCSB56053  Clarkia speciosa subsp. immaculata Penkala, B.; Callaway, R.; Ryan, P. 1987-6-19 San Luis Obispo East side of Hwy. 227 at jct. with private road, about 3 miles north of jct. with Upper Arroyo Grande Road 182 Comment
  CAS-BOT-BC165376  Clarkia speciosa subsp. speciosa R. F. Hoover 1946-6-2 6123 San Luis Obispo Mariana Creek, east side of La Panza Range Comment
  RSA108162  Clarkia speciosa subsp. speciosa Harlan Lewis, M. Lewis 1947-6-25 476 San Luis Obispo Santa Margarita to Pozo Road, 7.8 miles east of road to Creston Comment
  SEINET10936404  Clarkia tembloriensis Tim Holtsford 1992-5-16 Holtsford 920516 -1-B San Luis Obispo Mckittrick-simmler hwy (state hwy 58), 0.6 mi sw of kern co line. Ernest l. Garcia ranch, across rd from house, outbuildings. Nw-facing slope with isomeris Arborea and haplopappus linearfolius. T.30s, r.20e, sec.4. 914 Comment
  OBI31603  Clarkia unguiculata Joy Nishida 1982-5-8 365 San Luis Obispo American Cyn Campground. 1.2 mi S of campground, near unlocked gate Comment
  CAS-BOT-BC165596  Clarkia unguiculata Ernest C. Twisselmann 1956-5-29 2864 San Luis Obispo La Panza Range. Calf Canyon 426 Comment
  OBI29824  Clarkia unguiculata Ruth Davis 1964-4-24 99 San Luis Obispo See Cyn, about 9 mi from San Luis Obispo Comment
  RSA108144  Clarkia unguiculata Harlan Lewis, Carl Epling 1947-5-3 190 San Luis Obispo Paso Robles to Adelaida, 8.8 miles west of U.S. Highway 101 Comment
  OBI65030  Claytonia exigua Greg Wilvert 2005-4-9 201 San Luis Obispo SE Half of the Caliente Range. Above Lawson Spring 850 Comment
  OBI58501  Claytonia parviflora subsp. parviflora David J. Keil 1998-3-27 26490 San Luis Obispo Montana de Oro State Park. Slopes W of Valencia Peak burned over in summer 1997 244 Comment
  UC2027063  Claytonia parviflora subsp. viridis Greg Wilvert 2005-5-11 411 San Luis Obispo Southeast Half of the Caliente Range: 1.6 km SW of Semper Spring Comment
  CDA11582  Claytonia perfoliata subsp. mexicana G. F. Hrusa 1993-5-22 11104 A San Luis Obispo Los Padres National Forest, Black Butte Research Natural Area. Radio Facility 2 access road. Comment
  UC1125969  Clematis lasiantha T. M. Hendrix 1937-4-19 41 San Luis Obispo 4 mi. n.e. Pozo; Los Padres Nat'l Forest, Pozo Quad. Comment
  CAS-BOT-BC91466  Clematis lasiantha Ernest C. Twisselmann 1955-5-27 2033 San Luis Obispo La Panza Range. Upper Navajo Canyon. 762 Comment
  OBI10678  Clematis lasiantha B. A. Smith 1966-4-14 33 San Luis Obispo About 1.5 mi W on Cuesta Ridge from hwy 101 Cuesta Summit Comment
  OBI5605  Clinopodium douglasii Sharon Jochums 1974-5-19 197 San Luis Obispo On marine terr just S of Arroyo de la Cruz W of hwy 1 Comment
  UC518962  Collinsia bartsiifolia var. bartsiifolia David D. Keck 1933-5-5 2222 San Luis Obispo 5.5 mi s Oceano (on rd to Guadalupe, sw SLO Co, on old dunes here for 2-3 mi s, 1/4 to 1/2 mi inland from ocean) Comment
  RSA43151  Collinsia bartsiifolia var. davidsonii Robert F. Hoover 1947-4-26 7087 San Luis Obispo Upper Toro Creek, N of Pozo. Comment
  OBI31162  Collinsia heterophylla Julie M. Vanderwier 1978-5-18 48 San Luis Obispo Indian Knob Tar Sands Comment
  OBI58791  Collinsia heterophylla David J. Keil 1998-5-14 27267 San Luis Obispo Montana de Oro State Park. Valencia Peak burn area. Comment
  POM280717  Collinsia heterophylla Henry J. Ramsey, Henry J. Ramsey 1940-4-20 s.n. San Luis Obispo Cholame. Comment
  UCD123598  Collinsia heterophylla Daryl Koutnik 1978-6-19 536 San Luis Obispo San Luis Obispo County: west of Cerro Romauldo along Chorro Creek. 304 Comment
  UCR159307  Collinsia heterophylla George K. Helmkamp, E. A. Helmkamp 2005-4-22 9391 San Luis Obispo Inner South Coast Ranges, Carrizo Hwy at Mile-19 (Calif. Hwy 58, east of Santa Margarita near Wilson Corner) 470 Comment
  OBI39328  Collinsia heterophylla David J. Keil, Rhonda Riggins, Richard A. Pimentel, and D. R. "Doc" Miller 1985-4-27 18719 San Luis Obispo 12.6 mi from Calif Rte 1 on San Simeon Crk Rd between Pine Mtn and Rocky Butte 869 Comment
  OBI47106  Collinsia heterophylla Lynne Dee Oyler 1986-4-5 389 San Luis Obispo American Cyn blue oak study site in cattle exclosure. Los Padres Natl Forest Comment
  RSA647824  Collinsia heterophylla var. heterophylla P. M. Harthill 1972-4-8 s.n. San Luis Obispo Irish Canyon. 610 Comment
  UC26583  Collinsia multicolor Alice King Apr 1895 San Luis Obispo Arroyo Grande Comment
  JEPS31013  Collinsia sparsiflora var. collina D. E. Breedlove 1962-3-29 2045 San Luis Obispo 19.1 mi w Simmler; La Panza Range 594 Comment
  SBBG122325  Collinsia sparsiflora var. collina D. Keil, V. L. Holland 2001-4-7 29256 San Luis Obispo W outskirts of Atascadero; 3-F Meadows, accessed from San Marcos Rd 365 Comment
  OBI82569  Collomia heterophylla David J. Keil, with Kathleen Keil 2016-6-26 33280 San Luis Obispo Santa Rita Road west of Templeton 275 Comment
  UCR161012  Conicosia pugioniformis Mark S. Brunell, M. Okada 1993-7-25 s.n. San Luis Obispo Central Coast, Nipomo Dunes, 0.5 mi. west of Hwy 1, 0.6 mi north of Oso Flaco Lake Road 30 Comment
  OBI51372  Conium maculatum Debora Guillot, Jan Barber, Jim Kilber, Sue Weis, Andrew Stackhouse 1993-7-8 3 .12 San Luis Obispo San Simeon State Park. W section of San Simeon state park Comment
  RSA302195  Conium maculatum E. C. Twisselmann 1971-5-20 17679 San Luis Obispo Dorothy Twisselmann Ranch 671 Comment
  JEPS47846  Convolvulus simulans J. G. Lemmon 1887-6-1 San Luis Obispo Comment
  CAS-BOT-BC285986  Conyza bonariensis Ernest C. Twisselmann 1966-9-20 12803 San Luis Obispo Temblor Range and the Western San Joaquin Valley. T. Franklin Twisselmann Ranch, Choice Valley 640 Comment
  SBBG107722  Cordylanthus rigidus subsp. rigidus C. B. Hardham 1956-9-16 1358 San Luis Obispo York Mtn, W of Templeton Comment
  UCSB61623  Cordylanthus rigidus subsp. rigidus Heckard, L. 1971-9-27 San Luis Obispo Along Ormonde road, 0.7 miles east of Pismo Beach-Edna road 45 Comment
  OBI49894  Cordylanthus rigidus subsp. rigidus David J. Keil, Mary Coffeen, Cathy Rose, & Corky Matthews 1984-5-5 18232 San Luis Obispo American Cyn area in La Panza Mts Comment
  UCSB59209  Cordylanthus rigidus subsp. rigidus Penkala, B.; Ryan, P. 1987-8-27 San Luis Obispo Reservoir Canyon, 1/3 mile from end of Reservoir Road, north of San Luis Obispo off Hwy. 101 182 Comment
  UC564163  Coreopsis bigelovii Roxana S. Ferris 1935-3-29 9089 San Luis Obispo 7 mi e Pozo (on Santa Maria-McKittrick Road) Comment
  CAS-BOT-BC287047  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
  UCR9376  Coreopsis calliopsidea D. H. Wilken, G. D. Wallace, B. C. Miller 1966-4-2 842 San Luis Obispo Soda Lake, Soda Lake in the Carrizo Plain 305 Comment
  CAS-BOT-BC287126  Coreopsis douglasii Ernest C. Twisselmann 1955-5-27 2050 San Luis Obispo La Panza Range. Camatta Canyon near Bethel Ranch 533 Comment
  CAS-BOT-BC101404  Corethrogyne filaginifolia Robert F. Hoover 1969-9-21 11602 San Luis Obispo South end of Morro Bay Comment
  CAS-BOT-BC101405  Corethrogyne filaginifolia R. F. Hoover 1967-9-13 10864 San Luis Obispo Oso Flaco Lake Comment
  CAS-BOT-BC101423  Corethrogyne filaginifolia Ernest C. Twisselmann 1959-11-2 5894 San Luis Obispo Oceano Dunes at Oso Flaco Lake 6 Comment
  CAS-BOT-BC101448  Corethrogyne filaginifolia Ernest C. Twisselmann 1954-10-9 1611 San Luis Obispo Chris Twisselmann Ranch: Eastern San Luis Obispo County 685 Comment
  UC1285354  Corethrogyne filaginifolia R. F. Hoover 1946-8-26 6356 San Luis Obispo near Sunnyside School; Osos Valley Comment
  SBBG112438  Cornus glabrata D. Keil 1998-6-15 27821 San Luis Obispo Santa Rita Crk Rd W of Templeton, 2-3 mi W of jct with Vineyard Drive Comment
  CAS-BOT-BC210467  Cornus sericea subsp. occidentalis Ernest C. Twisselmann 1959-4-10 5038 San Luis Obispo Irish Hills: Perfumo Canyon 106 Comment
  OBI77717  Cortaderia jubata David J. Keil, with Mary Adams 1998-9-25 28123 San Luis Obispo Montana de Oro State park. Manzanita trail area. Comment
  OBI10191  Cotoneaster lacteus Bonnie M. Thompson 1963-11-19 539 San Luis Obispo Cal State Poly College, behind bio-science bldg Comment
  OBI17696  Cotula coronopifolia Dave Imper 1977-4-7 104 San Luis Obispo Price Canyon Tarsands Project. 1 mi Sw of Hwy 227 on Price Cyn rd 76 Comment
  RSA133886  Cotula coronopifolia John H. Thomas 1959-3-20 7566 San Luis Obispo Oso Flaco Lake, a dune lake along the coast, 17 miles S of San Luis Obispo County. 8 Comment
  OBI27317  Crassula connata Robert L. Allen, Nancy E. Arnold 1981-4-26 201 San Luis Obispo 7.6 mi NE of Santa Margarita, Calf cyn, N end of La Panza Mts. 305 Comment
  OBI72277  Crassula connata Anthony Baniaga 2010-2-5 22 San Luis Obispo Tierra Redonda Mtn BLM ACEC 452 Comment
  OBI78936  Crassula connata David J. Keil 1980-4-5 13761 San Luis Obispo Chimineas Ranch turnoff from CA 166. Spanish Ranch burn (Dec 1978) Comment
  OBI80276  Crassula ovata Jackie Cruickshank 2014-11-11 1 San Luis Obispo 2169 Santa Ynez 71 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
  OBI39483  Crypsis schoenoides David J. Keil 1983-10-30 18034 San Luis Obispo Rocky Cyn Crk E of Atascadero Comment
  OBI20695  Cryptantha barbigera Robert F. Hoover 1967-4-9 10412 San Luis Obispo Cyn in Temblor range near N end of Elkhorn Plain Comment
  OBI51727  Cryptantha clevelandii R. Mike Arens 1994-4-9 56 a San Luis Obispo Calif Polytechnic State Univ campus. In Poly cyn near Botanical garden 244 Comment
  OBI51752  Cryptantha clevelandii R. Mike Arens 1994-3-26 35 San Luis Obispo Calif Polytechnic State Univ campus. In Poly cyn near Botanical garden foot bridge 152 Comment
  RSA585849  Cryptantha clevelandii G. Fred Hrusa 1995-5-28 12282 San Luis Obispo Black Butte Research Natural Area; immediately to SW of Peak 1 radio facility. 640 Comment
  SBBG109855  Cryptantha clevelandii C. B. Hardham 1958-5-24 15590 San Luis Obispo Cienega Crk, Dellaganna Ranch Comment
  SBBG118625  Cryptantha clevelandii E. Painter, M. Wetherwax 1999-7-13 SLO 9 San Luis Obispo above Whiskey Springs; Camp San Luis Obispo 440 Comment
  SBBG32498  Cryptantha clevelandii H. M. Pollard 1968-6-7 San Luis Obispo Oso Flaco Comment
  UCSB56467  Cryptantha clevelandii Thorne, Robert; Everett, P. 1963-6-7 San Luis Obispo Along Cuesta Ridge road, 1.8 miles NW from Cuesta Pass Freeway 548 Comment
  OBI52065  Cryptantha clevelandii Larry Kelly 1989-5-21 352 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  UCR266052  Cryptantha clevelandii var. florosa David J. Keil, Mike Walgren, Lisa Andreano 2012-5-15 31327 San Luis Obispo Central Coast, Western end of San Luis Range. Field Ranch, Pacific Gas and Electric Company property, north of Diablo Canyon Nuclear Power Plant and south of Montana de Oro State Park 171 Comment
  OBI56861  Cryptantha clevelandii var. florosa Steven A. Junak 1990-5-1 4262 San Luis Obispo Cuesta Ridge Botanical Area, Los Padres Natl Forest. Santa Lucia Mts: at N edge of Cuesta Ridge Botanical area, along power line access rd which intersects Tassajera Crk rd ca 2.4 mi W of hwy 101, ca 1.1 rd miles S of Tassajera Crk rd 536 Comment
  SEINET7063198  Cryptantha dumetorum 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. UTM Zone 10, 710144mE, 3944489mN. (WGS84/NAD83). 244 Comment
  OBI77782  Cryptantha flaccida G. F. Hrusa 1998-3-28 14188 San Luis Obispo South Coast Ranges. Carrizo Plain Natural Area. Above headwaters of Bitterwater Crk. Hills immed. S of Elkhorn Grade Rd at S end of Carrizo Plain 3 mi N of hwy 166 intersection. USGS quad Ballinger Cyn 7.5 840 Comment
  SBBG107143  Cryptantha flaccida C. B. Hardham 1958-5-5 3201 San Luis Obispo hills W side of Carissa Plains, Washburn Ranch Comment
  SJSU3351  Cryptantha intermedia C. W. Sharsmith 1962-4-21 6849 San Luis Obispo lower reaches of Recruit Canyon near Crocker Peak, Temblor Range Comment
Read comments
May 9 2013
  UC1177905  Cryptantha leiocarpa Rimo Bacigalupi 1950-5-13 1802 A San Luis Obispo w of Oso Flaco sand dunes 15 Comment
  UCSB24741  Cryptantha leiocarpa Tucker, Barry 1966-4-5 San Luis Obispo 4 miles south of Oceano on Pismo Beach Comment
  UC1450990  Cryptantha leiocarpa Mrs. R. W. Summers 1882-1 269 San Luis Obispo East Depot Chalcedon Hill Comment
  UC2027293  Cryptantha microstachys David Keil 1987-5-6 20113 San Luis Obispo Highway 229 ca 1/2 mile north of junction Highway 58. Comment
  OBI70787  Cryptantha microstachys D. R. Miller 2008-5-1 508 .866 San Luis Obispo Pine Mtn Region. Along bulldozed rd in Bear Cyn, a fork of Tobacco Crk 500 Comment
  OBI55198  Cryptantha muricata Greg Frugoli 1997-4-7 15 San Luis Obispo 3 mi up Black Mtn Rd at was-out area, La Panza range, Los Padres NF (hwy 58 burn area) 762 Comment
  POM258748  Cryptantha nemaclada Roxana S. Ferris 1939-5-25 9757 San Luis Obispo Hills just south of Templeton-Creston road. About 3 miles east of Templeton. Comment
  UC1035087  Cryptantha nevadensis Roxana S. Ferris 1955-5-23 12806 San Luis Obispo about 0.5 mi w Creston-La Panza road junction with Cammatti Canyon road (on Creston-La Panza raod) Comment
  OBI20761  Cryptantha nevadensis var. rigida Robert F. Hoover 1953-5-17 8321 San Luis Obispo Head of "Skunk Well" cyn, Temblor Range 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
  UC2027581  Cucurbita foetidissima David J. Keil 2012-7-18 31465 San Luis Obispo South base of Nipomo Mesa, west if Nipomo. Comment
  OBI14833  Cucurbita foetidissima Robert F. Hoover 1947-7-19 7321 San Luis Obispo N edge of Santa Maria Valley on Nipomo-Guadalupe rd, at base of sandy cliffs Comment
  OBI75290  Cucurbita palmata David J. Keil, with George Butterworth 2011-9-23 31105 San Luis Obispo South end of Carrizo Plain. Just south of old Hanline Ranch corral 880 Comment
  SBBG14679  Cucurbita palmata E. C. Twisselmann 1962-10-10 7913 San Luis Obispo Pinole Hills 640 Comment
  UC1134239  Cupressus sargentii H. A. Jensen 1930-8-16 57 San Luis Obispo mouth of Tobacco Creek; Bryson Quad., Tobacco Creek 426 Comment
  OBI14809  Cuscuta subinclusa Robert F. Hoover 1946-8-17 6289 San Luis Obispo Arroyo Grande crk below jctn of Lopez Cyn Comment
  OBI40654  Cuscuta subinclusa David J. Keil 1981-10-25 14274 -1 San Luis Obispo Just W of jctn of Huasna Rd and Branch Mill Rd E of Arroyo Grande Comment
  OBI65765  Cyclospermum leptophyllum D. R. Miller 1995-8-9 895 -597 San Luis Obispo Pine Mt Region. Area on DR Miller property, E slope of Pine Mt, Tobacco crk drainage 700 Comment
  OBI5582  Cyperus eragrostis Sharon Jochums 1974-5-18 211 San Luis Obispo Arroyo de la Cruz Comment
  OBI17406  Cyperus eragrostis Kamran Alavi 1977-8-8 2 San Luis Obispo Cerro Ramauldo St Comment
  OBI22908  Cyperus niger David J. Keil 1979-8-18 13147 San Luis Obispo Campus of Calif Polytechnic State Univ. Ornamental Horticulture Dept Study Unit Comment
  CAS-BOT-BC113886  Cyperus niger var. capitatus R. F. Hoover 1946-8-26 6359 San Luis Obispo Baywood Park, in brackish marsh on shore of Morro Bay. Comment
  RSA750494  Dactylis glomerata David J. Keil, Erik Frenzel 2001-4-19 29327 San Luis Obispo Grounds of Pacific Gas and Electric Company's Diablo Canyon Nuclear Power Plant. Western end of San Luis Range on coastal terrace overlooking the ocean. Just N of power plant facilities., [Coordinates vicinity of 35.2156N x 120.8756W] 30 Comment
  OBI30652  Daucus pusillus David J. Keil 1981-5-19 14721 San Luis Obispo Indian Knob. Upper slopes of Indian Knob Comment
  OBI51391  Deinandra corymbosa Debora Guillot, Jan Barber, Jim Kilber, Sue Weis, Andrew Stackhouse 1993-7-8 3 .3 San Luis Obispo W section of San Simeon State park Comment
  CAS-BOT-BC123556  Deinandra halliana David Daniels Keck; William M. Heusi 1933-5-4 2170 San Luis Obispo 1.5 miles easterly of Cholame, on Cholame Creek, northeastern San Luis Obispo County 365 Comment
  CAS-BOT-BC299376  Deinandra increscens subsp. increscens R. F. Hoover 1964-8-14 9247 San Luis Obispo Jack Lake Comment
  OBI31134  Deinandra increscens subsp. increscens Julie M. Vanderwier 1978-11-15 78 San Luis Obispo Indian Knob Tar Sands Comment
  OBI35476  Deinandra increscens subsp. increscens S. M. Inman 1983-7-21 99 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 Comment
  UC1285432  Deinandra increscens subsp. increscens R. F. Hoover 1964-8-13 9208 San Luis Obispo San Bernardo Creek Comment
  CAS-BOT-BC291888  Deinandra lobbii R. F. Hoover 1969-9-9 11580 San Luis Obispo 12 mi. nw. of Paso Robles on road to Nacimiento Dam Comment
  CAS-BOT-BC131027  Deinandra paniculata R. F. Hoover 1965-10-6 9715 San Luis Obispo 4 mi. n. of Pozo Comment
  UCSB8179  Delphinium californicum Haller, John 1966-6-3 San Luis Obispo California State Hwy 1; about 3 miles southeast of Cambria Comment
  CAS-BOT-BC9865  Delphinium nudicaule R. F. Hoover 1953-5-3 8291 San Luis Obispo Lopez Canyon Comment
  RSA509152  Delphinium nudicaule C. F. Smith 1988-5-10 12126 San Luis Obispo Santa Rita Creek, about midway betw Cayucos and Templeton Comment
  CAS-BOT-BC7992  Delphinium parishii subsp. parishii R. F. Hoover 1968-4-17 11064 San Luis Obispo North Side of Soda Lake, Carrizo Plain. Comment
  OBI81122  Delphinium parryi Jason Dart 2009-5-26 331 San Luis Obispo Adelaida Road ~600 feet east of Hidden Mountain Road 533 Comment
  UC56071  Delphinium parryi J. H. Barber 1899-5-28 San Luis Obispo Paso Robles Comment
  UC1296243  Delphinium parryi subsp. blochmaniae R. F. Hoover 1947-4-25 7072 San Luis Obispo s Arroyo Grande; Black Lake Comment
  RSA535955  Delphinium parryi subsp. blochmaniae C. F. Smith 1951-4-19 3035 San Luis Obispo Mesa N of Guadalupe. Comment
  CAS-BOT-BC121367  Delphinium parryi subsp. eastwoodiae M. E. Jones 1882-5-5 3228 San Luis Obispo San Luis Obispo Comment
  POM99455  Delphinium parryi subsp. eastwoodiae Marcus E. Jones 1882-5-5 3228 San Luis Obispo San Luis Obispo. Comment
  CAS-BOT-BC121453  Delphinium parryi subsp. parryi Mrs. R. W. Summers 1888-4-21 15 San Luis Obispo Templeton Comment
  JEPS114146  Delphinium parryi subsp. parryi E. L. Painter, M. Wetherwax, K. Downing, C. Bratt 2000-5-17 CR- 102 San Luis Obispo Camp Roberts. Scout Road; palisades above Nacimiento River. Comment
  OBI67033  Delphinium parryi subsp. parryi David J. Keil, with V. L. Holland 2001-5-24 29493 San Luis Obispo Western outskirts of Atascadero. 3-F Me4adows area, proposed for housing development Comment
  OBI58627  Delphinium parryi subsp. parryi David J. Keil 1998-5-6 27120 San Luis Obispo E of San Miguel along Hog Canyon Rd. 2.2 mi S of Monterey Co. line. 347 Comment
  RSA613941  Delphinium recurvatum George K. Helmkamp, E. A. Helmkamp 1997-3-8 1406 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
Read comments
Oct 4 2007
  OBI32796  Delphinium recurvatum David J. Keil, Julie Vanderwier and Glenda Winn 1978-1 12717 San Luis Obispo 23.5 mi Se of Calif Rte 58 along Simmler-Soda Lake Rd Comment
  LA38367  Delphinium umbraculorum Lewis; Epling 781 San Luis Obispo 1.2 mi. N. of Avila Comment
  CHSC47114  Dendromecon rigida L. P. Janeway 1988-6-10 2742 San Luis Obispo Near Calf Cyn Rd (hwy 58) ca 1 1/4 mi E of Creston Rd (hwy 229). Along edge of dirt road. 441 Comment
  RSA0040392  Dendromecon rigida LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-29 6307 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
  OBI29257  Deschampsia danthonioides David J. Keil, Melissa Lu ckow, Richard A. Pimentel, and Rhonda Riggins-Pimentel 1981-4-24 14552 San Luis Obispo Jctn of Shell Crk rd and Calif hwy 58 S of Shandon Comment
  SBBG20187  Deschampsia danthonioides C. B. Hardham 1960-4-21 5524 San Luis Obispo Santa Barbara Rd, Atascadero Comment
  CAS-BOT-BC201842  Deschampsia elongata R. F. Hoover 1947-5-4 7122 San Luis Obispo Cambria Comment
  SBBG109575  Deschampsia elongata C. B. Hardham 1960-6-1 6003 San Luis Obispo Sargent Cypress Grove, Burnett Crk Comment
  UC1126764  Descurainia pinnata N. H. French 1937-3-12 892 San Luis Obispo Cuyama Ranch; McKittrick Quad. 548 Comment
  CAS-BOT-BC43219  Descurainia pinnata subsp. brachycarpa Ernest C. Twisselmann 1955-3-22 1757 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Plains 2 miles east of Soda Lake. 640 Comment
  SBBG44986  Desmazeria rigida A. Eastwood, J. T. Howell 1936-5-6 San Luis Obispo Chorro Crk Comment
  UCR163629  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2005-3-25 9214 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
  JEPS86599  Dichondra occidentalis L. R. Heckard with Jim Hickman et al. 1987-4-11 6650 San Luis Obispo slopes to s side of arroyo 0.5 mi back from ocean (n of San Simeon); Arroyo de la Cruz 91 Comment
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May 15 2016
  CAS-BOT-BC150427  Diplacus aurantiacus L. R. Abrams 1937-7-30 13727 San Luis Obispo Cambria Comment
  CAS-BOT-BC152497  Diplacus aurantiacus Alice Eastwood 1927-4-7 14292 San Luis Obispo Morro Comment
  SBBG66799  Diplacus aurantiacus J. R. and R. C. Robbins 1932-6-9 San Luis Obispo 12 mi from Cayucos 457 Comment
  OBI65420  Diplacus congdonii David J. Keil, with Jepson Herbarium weekend Workshop field trip participants 2006-3-31 30426 San Luis Obispo 1 mile east of Pozo Road on Las Pilitas Road, northern La Panza Mountains. Vicinity of 35 deg. 20.91'N, 120 deg. 31.20'W 427 Comment
  OBI58876  Diplacus fremontii David J. Keil, with Kathleen A. Keil 1998-5-26 27428 San Luis Obispo Los Padres National Forest, La Panza Mountains. Red Hill Rd., 3.3 miles from Hwy 58 (35 deg. 21.466' N x 120 deg. 16.570' W). 640 Comment
  CAS-BOT-BC150703  Diplacus longiflorus Ernest C. Twisselmann 1956-11-3 3218 San Luis Obispo Canyonside below Salinas Dam 399 Comment
  CDA17845  Distichlis spicata Austin Griffiths 1981-11-7 s.n. San Luis Obispo Montana de Oro State Park; Above inlet immed. N of Spooners Cove, 0 Comment
  OBI65178  Distichlis spicata Greg Wilvert 2005-6-14 478 San Luis Obispo SE Half of the Caliente Range. Cyn to the E of Quail Cyn 848 Comment
  RSA530780  Dithyrea maritima E. A. Purer 1932-8-27 s.n. San Luis Obispo N of Guadalupe. Comment
  UCD77093  Dodecatheon clevelandii subsp. insulare Ellen Dean; T. Starbuck and M. Starbuck 2008-3-25 4646 San Luis Obispo San Luis Obispo Co.: Along Hwy. 58 west of the turn off to Pozo. 590 Comment
  UCR161352  Dodecatheon clevelandii subsp. insulare George K. Helmkamp, E. A. Helmkamp 2005-3-8 9069 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  RSA139930  Dodecatheon clevelandii subsp. insulare Clare B. Hardham 1960-4-2 5274 San Luis Obispo Serpentine outcrops. Black Mt., Rte. 41 610 Comment
  SJSU8464  Dodecatheon clevelandii subsp. insulare C. R. Shafer 1967-3-26 San Luis Obispo by Vineyard Rd c. 15 mi W of Templeton Comment
  RSA462220  Dodecatheon clevelandii subsp. patulum J. T. Howell 1931-3-22 5940 San Luis Obispo Summit of Cuesta Pass. Comment
  CAS-BOT-BC159566  Drymocallis glandulosa var. glandulosa David D. Keck 1933-5-5 2207 San Luis Obispo South base of Cuesta Grade, old road. Comment
  UC454372  Dryopteris arguta I. J. Condit 1908-5-2 San Luis Obispo Bishop's Peak Comment
  UC1015351  Dudleya abramsii subsp. murina Reid Moran 1948-5-30 3083 San Luis Obispo just e San Louis Obispo (alongHwy 101) Comment
  UCD101856  Dudleya blochmaniae G. F. Hrusa 1995-6-21 12404 San Luis Obispo at S base of Hollister Peak, approx. 0.25 m to NW of old homestead. 75 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-BC410879  Dudleya caespitosa John Thomas Howell 1964-6-29 40759 San Luis Obispo In canyon between Cambria and Protestant Cemetery Comment
  OBI52744  Dudleya lanceolata David J. Keil, V. L. Holland 1991-1 22557 San Luis Obispo San Simeon State Park and vicinity, along San Simeon Crk from beach inland to E boundary of park and on adjoining slopes S to boundary with C.T. Ranch Comment
  CAS-BOT-BC414974  Dudleya lanceolata Ernest C. Twisselmann 1955-6-16 2169 San Luis Obispo Upper Buckhorn Canyon; La Panza Range 609 Comment
  OBI6670  Dudleya lanceolata Greg Hassen 1975-7-8 15 San Luis Obispo Poly Cyn. Along Poly Cyn Rd Comment
  OBI32086  Dudleya palmeri David J. Keil 1981-6-20 14926 San Luis Obispo Vicinity of Arroyo de la Cruz, N of San Simeon Comment
  OBI35272  Dudleya palmeri H. E. Jones 1981-5-18 3 San Luis Obispo Point Piedras Blancas Comment
  OBI43363  Echinochloa crus-galli Eric Wise 1981-10-23 1346 San Luis Obispo Sinton Middle Pond on Shell Crk rd 8.0 mi N of hwy 58 Comment
  SD245352  Elatine californica David Keil 1998-5-6 27111 San Luis Obispo NE of Paso Robles. 0.3 mi. N of junction with Tower Rd. on Jardine Rd. Rivendell Arabian horse farm. Vernal pool. Comment
  OBI65960  Eleocharis macrostachya Wendy Thackery, Stacey Smith and Paul Corsi 2003-7-1 3 San Luis Obispo Central Coast Comprehensive Wetlands GIS (CCCWGIS). S of Morro Bay on hwy 1 along Gilardi Rd at Silhouette Shooting Rnage marsh below pumping house. N of hwy 1 53 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
  OBI33323  Eleocharis parishii David J. Keil 1983-10-23 18010 San Luis Obispo Just S of Creston W of O'Donovan Rd Comment
  RSA201688  Eleocharis parishii Robert F. Hoover 1964-5-10 7139 San Luis Obispo Alamo Creek near Cuyama River Comment
  OBI67036  Eleocharis rostellata David J. Keil 2001-5-14 29451 San Luis Obispo Drainage on southwestern side of serpentine ridge on west side of O'Connor Way, west of San Luis Obispo; 35.2931 deg. N x 120.7321 deg. W 98 Comment
  OBI43666  Eleusine tristachya Eric Wise 1981-10-23 1325 San Luis Obispo Sinton South Pond. On Shell Crk Rd 6.4 mi N of hwy 58 Comment
  OBI53021  Elymus Kristina Hand 1992-7-15 s.n. San Luis Obispo Ridge between Prefumo cyn and See Cyn Comment
  OBI77084  Elymus caput-medusae D. R. Miller 2007-6-6 607 .856 San Luis Obispo Pine Mt Region below water tanks to WINTZ cabin (Sandy's) Town crk drainage 701 Comment
  OBI32328  Elymus glaucus David J. Keil 1982-6-26 16193 San Luis Obispo Vicinity of Arroyo de la Cruz, N of San Simeon Comment
  SEINET11262449  Elymus glaucus David Keil 1993-6-11 24173 San Luis Obispo Laguna Lake Park.; 0 35 Comment
  UC188813  Elymus glaucus J. H. Barber 1899-5-22 San Luis Obispo Santa Lucia Mts. Comment
  OBI2594  Elymus glaucus Larry E. Brown 1970-4-19 1780 San Luis Obispo At headwaters of San Simeon Crk near the Hearst Castle Comment
  RSA126913  Elymus glaucus H. C. Lee 1937-5-23 977 San Luis Obispo Paso Robles; 4 1/4 miles N.S.E. of Templeton 335 Comment
  CAS-BOT-BC203665  Elymus glaucus subsp. glaucus Clare B. Hardham 1959-5-6 4430 San Luis Obispo Santa Lucia Mountains. Shores of Nacimiento Lake Comment
  RSA0039719  Elymus glaucus subsp. glaucus LeRoy Gross, Pam DeVries, Melinda Elster 2014-5-21 6502 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
  CAS-BOT-BC203664  Elymus glaucus subsp. glaucus Ernest C. Twisselmann 1959-4-24 5082 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Phelps Hill, Eben McMillan Ranch 670 Comment
  UC1153385  Elymus multisetus R. F. Hoover 1964-6-6 8942 San Luis Obispo ridge nw Cuesta Pass Comment
  OBI72875  Elymus triticoides David J. Keil 1988-1 20828 San Luis Obispo Morro Bay - Rolling Hills between Downing Ave. and South Bay Blvd.; North of California Rte 1 143 Comment
  OBI78008  Emex spinosa Michael Walgren 2013-4-4 292 San Luis Obispo Morro Bay, at the parking lot at the top of Black hill in Morro Bay state park 146 Comment
  UC1124250  Emmenanthe penduliflora B. Bolt 1936-5-25 733 San Luis Obispo 2.75 miles ENE of Santa Margarita; San Luis Obispo Quad. 335 Comment
  SBBG28538  Enemion occidentale I. L. Wiggins 1932-3-24 San Luis Obispo near Adelaida, W of Paso Robles Comment
  CAS-BOT-BC81661  Ephedra californica R. F. Hoover 1967-4-9 10418 San Luis Obispo Canyon in Temblor Range near north end of Elkhorn Plain Comment
  SEINET3866909  Ephedra californica Merlyne Prescott 1969-4-12 152 San Luis Obispo 2 miles south at Sheep Camp Elkhorn Plain. (13 miles Southeast of California Valley).; 0 Comment
  SFV16390  Ephedra viridis P. M. Schiffman 1993-4-24 s. n. San Luis Obispo Carrizo Plain Carrizo Plain Natural Area, east facing hillside behind Wells Ranch house. Comment
  SBBG60222  Epilobium brachycarpum M. M. Miles 1886-8-30 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  OBI42155  Epilobium canum Paula Kleintjes 1983-10-8 3 San Luis Obispo Perfumo Cyn, rd 2 mi from Los Osos Valley rd Comment
  CAS-BOT-BC166420  Epilobium canum subsp. canum Mrs. R. W. Summers 1884-7-1 s.n. San Luis Obispo Unspecified Comment
  OBI65737  Epilobium canum subsp. canum D. R. Miller 1994-8-4 894 -516 San Luis Obispo Pine Mt region; in creekway at top of Pear Tree area; Pico crk drainage 914 Comment
  SBBG47359  Epilobium canum subsp. canum J. Copeland 1973-9-8 1026 San Luis Obispo Morro Crk area 7 mi E of jct of Hwys 1 and 41 Comment
  OBI12050  Epilobium ciliatum Robert F. Hoover 1964-5-13 8826 San Luis Obispo Tassajera crk Comment
  OBI12045  Epilobium ciliatum Robert F. Hoover 1965-9-27 9654 San Luis Obispo Lower end of Laguna, San Luis Obispo Comment
  OBI65691  Epilobium ciliatum subsp. ciliatum D. R. Miller 1994-6-3 694 -411 San Luis Obispo Pine Mt Region. Main spring in Pear Tree flats; Pico crk drainage 914 Comment
  OBI37138  Epilobium ciliatum subsp. watsonii Eric Wise 1981-6-22 639 San Luis Obispo Lopez Water Treatment Reservoir Comment
  OBI65581  Epilobium ciliatum subsp. watsonii Lisa Paterson 1993-7-2 6 San Luis Obispo N Vandenberg AFB, SE of intersection of Lompoc-Casmalia Rd and San Antonio Rd Comment
  RSA43099  Epilobium ciliatum subsp. watsonii Robert F. Hoover 1946-7-21 6238 San Luis Obispo San Simeon Creek Beach Comment
  UCSB39943  Epilobium densiflorum Shaw, J. 1982-7-1 San Luis Obispo Laguna Lake Park on Madonna Road in San Luis Obispo near intersection with Los Osos Valley Road 30 Comment
  SBBG95511  Epilobium minutum cLeod, B. Burdett, L. Burdett 1983-5-14 16988 San Luis Obispo ridge system between Arroyo de la Cruz and Arroyo del Oso, on E-facing slope above N-trending section of Arroyo de la Cruz 5 Comment
  UC1296343  Epipactis gigantea R. F. Hoover 1947-4-27 7108 San Luis Obispo above base of grade on highway to Atascadero; Morro Creek Comment
  CAS-BOT-BC57121  Equisetum X ferrissii R. F. Hoover 1946-10-5 6459 San Luis Obispo Villa Creek, between Cayucas and Cambria Comment
  OBI35076  Equisetum arvense Eric Wise 1981-6-26 713 San Luis Obispo Arroyo Laguna. 15.2 mi. S. of Monterey Border. Comment
  OBI83608  Equisetum laevigatum David J. Keil, Bill Waycott and Ron Rothman 2016-5-20 34216 San Luis Obispo Santa Rita Canyon area west of Templeton. Ron Rothman property at 6140 High Laurel Lane. 400 Comment
  OBI78923  Equisetum telmateia Ronald Halverson 1957-2-24 8 San Luis Obispo Cal Poly campus Comment
  CAS-BOT-BC57592  Equisetum telmateia R. F. Hoover 1946-9-17 6423 San Luis Obispo Oceano Comment
  OBI35073  Equisetum telmateia Eric Wise 1983-3-12 1702 San Luis Obispo Drainage ditch at eat entrance of Cambria Air Force Station. 5.6 mi. S. of Cambria W. of Hwy. 1. Comment
  OBI78926  Equisetum telmateia B. A. Smith 1966-4-8 21 San Luis Obispo About 2.5 miles N. on See Canyon Rd. from Avila Beach Rd Comment
  HSC91757  Equisetum telmateia subsp. braunii Susan H. Bicknell 1989-4-17 San Luis Obispo Montana de Oro, along Eastern Boundary Trail Comment
  UCR40998  Equisetum telmateia subsp. braunii R. J. Rodin 1956-3-26 6049 San Luis Obispo California State Polytechnic College, San Luis Obispo: Poly Canyon. Comment
  CHSC111503  Eragrostis mexicana subsp. virescens David J. Keil 2012-7-18 31425 San Luis Obispo Oceano. 1731 Railroad Street, near intersection with Ocean Street. Base of retaining wall between road and warehouse. 8 Comment
  CAS-BOT-BC284156  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1967-9-8 13672 San Luis Obispo T. Franklin Twisselmann residnece, Choice Valley, Temblor Range and teh western San Joaquin Valley 640 Comment
  UC1576174  Eremalche parryi subsp. kernensis David Keil with Rhonda Riggins and Kathryn Bay 1986-4-26 19268 San Luis Obispo 1.5 mi n.e. of junction of Elkhorn Rd. on Crocker Grade Rd.; Temblor Range 838 Comment
  UCR248216  Eremalche parryi subsp. kernensis David J. Keil 1998-6-5 27655 San Luis Obispo Lower southwestern slopes of Caliente Range, southwest of Radio Towers on gravel road, 1 mile northeast of Chalk Mountain 701 Comment
  OBI25513  Eremalche parryi subsp. kernensis David J. Keil 1978-5-6 s.n. San Luis Obispo 17 mi N of jctn of Hwy 166 along Soda Lake Rd 640 Comment
  OBI58352  Eremalche parryi subsp. parryi David J. Keil 1998-6-5 27652 San Luis Obispo Caliente Range SE of Radio Towers on road to Cuyama Valley, 4.5 miles from junction Caliente Ridge Rd. 914 Comment
  PGM6276A  Eremalche parryi subsp. parryi Beatrice F. Howitt 1958-4-28 San Luis Obispo Carissa Plains, On Carrizo Plains Comment
  UCSB15732  Eremothera boothii subsp. decorticans Breedlove, Dennis 1962-3-29 San Luis Obispo 8.6 miles west of Simmler, La Panza Range 548 Comment
  CAS-BOT-BC160167  Eremothera boothii subsp. decorticans Ernest C. Twisselmann 1954-4-22 1111 San Luis Obispo Palo Prieta Canyon: 4 miles south of Cholame 487 Comment
  UCR9024  Eriastrum densifolium subsp. densifolium L. E. Allen 1966-8-24 s.n. San Luis Obispo Central Coast, Oso Flaco Lake Comment
  OBI11577  Eriastrum densifolium subsp. densifolium H. E. McMinn 1935-6-6 3839 San Luis Obispo South of Oceano Comment
  SBBG5819  Eriastrum densifolium subsp. elongatum C. B. Hardham 1958-7-22 3765 San Luis Obispo Atascadero Comment
  JEPS123249  Eriastrum hooveri David Gowen 2005-4-16 245 San Luis Obispo Elkhorn Road (dirt). Hills about 5 miles south of Hurricane Road. Comment
  CAS-BOT-BC187966  Eriastrum luteum Ernest C. Twisselmann 1967-7-8 13543 San Luis Obispo N spur of Black Mountain 670 Comment
  SBBG109219  Eriastrum luteum C. B. Hardham 1960-5-17 5750 San Luis Obispo hills S of Bee Rock Comment
  UC1315103  Eriastrum pluriflorum R. F. Hoover 1967-6-4 10618 San Luis Obispo on Hwy 58 between San Juan River and Carrizo Plain Comment
  CAS-BOT-BC514839  Eriastrum pluriflorum subsp. pluriflorum David D. Keck 1934-4-26 2800 San Luis Obispo 4 mi S of Cholame on road to Annette Comment
  OBI83663  Eriastrum pluriflorum subsp. pluriflorum R. F. Hoover 1967-6-4 10618 San Luis Obispo Between San Juan River and Carrizo Plain on Highway 58 Comment
  OBI79870  Ericameria arborescens D. R. Miller 2013-9-4 913 .1074 San Luis Obispo The Rocky Butte/Pine Mountain Region, Growing along Main Ridge Road, north of Hearst Gate. 915 Comment
  OBI16583  Ericameria cuneata var. spathulata Robert F. Hoover 1963-10-26 8597 San Luis Obispo Trail to Machesna Mt. , La Panza Range Comment
  UC1118721  Ericameria ericoides F. H. Raymond 1930-9-25 122 San Luis Obispo mouth Hazard Canyon; Cayucos Quadrangle 60 Comment
  CAS-BOT-BC292323  Ericameria linearifolia R. C. Wenk 2007-4-8 607 San Luis Obispo Carrizo Plain National Monument, Caliente Ridge, along trail to peak, past old trailer camp. 1310 Comment
  UC1119806  Ericameria nauseosa var. oreophila W. A. Peterson 1936-7-9 340 San Luis Obispo Cuyama Ranch Santa Ynez Quad. 670 Comment
  SD40211  Erigeron blochmaniae Edith A. Purer 1940-8-2 7983 San Luis Obispo Oso Flaco Lake sand dunes Comment
  OBI23028  Erigeron bonariensis David J. Keil 1979-10-27 13666 San Luis Obispo E end of Lopez Lake below confluence of Arroyo Grande Crk and Phoenix crk, 0.2 mi from jctn of Lopez Cyn Rd and Pozo Rd Comment
  OBI51965  Erigeron canadensis Larry Kelly, David J. Keil 1988-10-1 290 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  OBI38204  Erigeron canadensis Eric Wise 1981-10-23 1348 San Luis Obispo Sinton Sycamore Reservoir on Shell Crk rd 8.9 mi N of hwy 58 Comment
  RSA0028152  Erigeron foliosus Greg Wilvert 2005-6-29 489 San Luis Obispo 0.5 kilometers S of Padrones Canyon Rd. 887 Comment
  HSC77146  Eriodictyon altissimum Tim Messick 1982-12-21 1864 San Luis Obispo S of Highland Dr. between Roderson Ave and Bayview Dr., Los Osos 91 Comment
  SJSU5500  Eriodictyon altissimum W. Savage 1965-4-7 491 San Luis Obispo Indian Knob, 3 mi W of San Luis airport 268 Comment
  OBI13704  Eriodictyon parryi Robert J. Rodin 1970-6-18 8411 San Luis Obispo About 20 mi W of New cuyama, off the road near hwy 166 Comment
  OBI30637  Eriodictyon parryi Neil Havlik 1967-5-21 326 -21 San Luis Obispo 2 mi E of Navajo Campground, La Panza district, Los Padres NF. Comment
  RSA455056  Eriodictyon tomentosum L. S. Rose 1936-5-8 36252 San Luis Obispo 7 miles east of Pozo. 518 Comment
  OBI78408  Eriogonum angulosum Craig Woods 1978-5-27 61 San Luis Obispo E side of Carrizo Plain along Sim soda lake rd approx 2.5 mi NW of Hurricane rd 762 Comment
  UC2027142  Eriogonum angulosum Greg Wilvert 2005-4-6 171 San Luis Obispo Southeast Half of Caliente Range: Ridge between Horse Canyon and Middle Canyon, 2.7 km S of Wells Spring Comment
  RSA522517  Eriogonum cithariforme var. agninum David J. Keil, M. A. Matthews, Janet Haden, Suzanne Schettler, Steve Edwards, Jim Pittman 1988-6-11 20703 San Luis Obispo N of San Simeon along system of ridges and canyons just N of Arroyo de la Cruz. Comment
  CAS-BOT-BC242513  Eriogonum clavatum R. F. Hoover 1946-9-14 6389 San Luis Obispo Palo Prieto Canyon Comment
  CAS-BOT-BC255713  Eriogonum eastwoodianum Ernest C. Twisselmann 1954-9-10 1569 San Luis Obispo Cottonwood Pass, 6 miles east of Cholame 563 Comment
  CAS-BOT-BC246606  Eriogonum elegans R. F. Hoover 1965-9-19 9599 San Luis Obispo Calf Canyon Comment
  RSA66262  Eriogonum elegans J. T. Howell 1927-8-17 3002 San Luis Obispo 4 mi. south of Templeton. Comment
  CDA23008  Eriogonum fasciculatum G. D. Barbe, B. Easley 1974-7-9 1891 San Luis Obispo Temblor Range; Recruit Grade Pass experimental plot, UCD, 9.5 miles west of Fellows (Kern County), 3.25 miles west of Kern County Line, on Crocker Springs Road, overlooking Elkhorn Valley, and Carrizo Plain. Comment
  UC1032070  Eriogonum fasciculatum var. polifolium F. H. Raymond 1930-7-6 104 San Luis Obispo mouth of San Carpoforo Creek Cape San Martin Quadrangle, San Carpoforo Creek Comment
  CAS-BOT-BC261153  Eriogonum gracillimum Eben McMillan 1952-5-29 133 San Luis Obispo Bitterwater Creek-Pinole Ranch 12 mi. S, 18 mi. E Shandon Comment
  OBI11057  Eriogonum heermannii var. heermannii Lonnie Belden 1965-7-17 s.n. San Luis Obispo Morales Cyn just SW of Caliente Mt Peak Comment
  CAS-BOT-BC251967  Eriogonum latifolium R. F. Hoover 1946-9-22 6452 San Luis Obispo Near Piedras Blancas Point, on sea cliffs Comment
  OBI11047  Eriogonum nudum var. indictum Robert F. Hoover 1946-9-14 6388 San Luis Obispo Palo Prieto Cyn Comment
  CAS-BOT-BC271997  Eriogonum nudum var. pubiflorum Clare B. Hardham 1956-9-20 1256 San Luis Obispo Santa Lucia Mountains. Delaganna Ranch. Intersection York Mt. Road and Cayucos Road Comment
  RSA151652  Eriogonum ordii Clare B. Hardham 1962-4-13 8973 San Luis Obispo South end Carissa Plains, hills on western side Comment
  UC1032339  Eriogonum ordii N. H. French 1937-4-6 944 San Luis Obispo 5 mi nw Cuyama Ranch; Santa Ynez Quadrangle Comment
  UC534938  Eriogonum parvifolium Susan G. Stokes 1932-8-29 20 San Luis Obispo Pismo Beach Comment
  POM280012  Eriogonum parvifolium var. parvifolium E. A. Purer 1933-7-20 5078 San Luis Obispo Northwest of Guadalupe. Comment
  UC1450979  Eriogonum roseum R. F. Hoover 1969-9-19 11595 San Luis Obispo Palo Prieto Canyon Comment
  CAS-BOT-BC268364  Eriogonum roseum R. F. Hoover 1946-8-18 6307 San Luis Obispo East side of La Panza Range on a branch of Navajo Creek Comment
  CAS-BOT-BC268365  Eriogonum roseum R. F. Hoover 1969-9-9 11576 San Luis Obispo 4 mi. w. of Paso Robles on road to Nacimiento Dam Comment
  OBI10958  Eriogonum roseum Ernest C. Twisselmann 1953-9-18 770 San Luis Obispo Plants of Temblor Range and the Wester San Joaquin Valley. Hills at summit of Palo Prieta Cyn, 7 mi S of Cholame 671 Comment
  OBI65742  Eriogonum saxatile D. R. Miller 1994-8-23 894 -527 San Luis Obispo Pine Mt region. On 'Back Side Rd' ; Tobacco Crk drainage 800 Comment
  CAS-BOT-BC263434  Eriogonum temblorense Ernest C. Twisselmann 1965-9-15 11564 San Luis Obispo Summit of Antelope Grade on Highway 46, Temblor Range and the Western San Joaquin Valley 518 Comment
  CAS-BOT-BC264906  Eriogonum viridescens R. F. Hoover 1967-6-4 10610 San Luis Obispo Canyon in Temblor Range near north end of Elkhorn Plain Comment
  RSA163756  Eriogonum viridescens Clare B. Hardham 1963-6-20 10832 San Luis Obispo Freeborn Mt. Comment
  UC1296109  Eriogonum viridescens R. F. Hoover 1949-6-4 7749 San Luis Obispo San Juan River on Pozo-Simmler road San Juan River Comment
  CAS-BOT-BC304104  Eriophyllum confertiflorum Ynez Whilton Winblad 1937-6-16 s.n. San Luis Obispo Between Atascadero and Morro Comment
  CAS-BOT-BC304105  Eriophyllum confertiflorum Alma Sweet 1919-1-1 s.n. San Luis Obispo Unspecified Comment
  UC1118354  Eriophyllum confertiflorum var. confertiflorum B. Bolt 1936-1-21 554 San Luis Obispo 1st peak nw Cerro San Luis Obispo; San Luis Obispo Quad. 304 Comment
  JEPS97084  Eriophyllum confertiflorum var. confertiflorum F. L. Johnson and E. A. Young 1993-5-26 ROB 628 San Luis Obispo Whiskey Spring Camp San Luis Obispo Comment
  CAS-BOT-BC301083  Eriophyllum lanatum var. achilleoides Clare B. Hardham 1963-6-23 10846 San Luis Obispo Cypress Mt. 609 Comment
  OBI56613  Eriophyllum multicaule David J. Keil, with Rhonda Riggins and Karl Striby 1998-5-22 27414 San Luis Obispo Caliente Range. Along Caliente Ridge Rd. between wildlife guzzler (35 deg. 03.432' N x 119 deg. 46.937' W) and Caliente Peak. 1554 Comment
  SBBG49062  Eriophyllum multicaule J. Copeland 1974-2-17 1042 San Luis Obispo Grand View Mesa, Nipomo Comment
  SBBG8189  Eriophyllum multicaule H. and M. Dearing 1939-3-19 3069 San Luis Obispo near sea, Oso Flaco Lake Comment
  UC1080182  Eriophyllum multicaule Sherwin Carlquist 1952-4-11 293 San Luis Obispo on Highway 1 5.5 mi s of Oceano (between road and railroad tracks); Highway 1 Comment
  CAS-BOT-BC301906  Eriophyllum pringlei Ernest C. Twisselmann 1955-4-9 1824 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Red Hills, 7.6 miles southeast of Shandon 426 Comment
  CAS-BOT-BC301949  Eriophyllum staechadifolium John Thomas Howell 1964-6-30 40858 San Luis Obispo Cambria Comment
  OBI35419  Eriophyllum staechadifolium Melody Dickens 1980-4-16 3 San Luis Obispo Morro Rock, Morro Bay Comment
  OBI29026  Eriophyllum staechadifolium var. artemisiifolium Melissa Luckow 1981-6-25 710 San Luis Obispo Just N of San Simeon Beach Comment
  OBI47129  Erodium cicutarium Lynne Dee Oyler 1986-5-21 475 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 85 Comment
  UC1285254  Erodium macrophyllum R. F. Hoover 1949-4-21 7623 San Luis Obispo 14 mi e Creston (on La Panza rd) Comment
  UC1075888  Eruca vesicaria subsp. sativa Philip A. Munz 1955-6-18 20899 San Luis Obispo grade 3 mi E of Cholame (on Bakersfield road) Comment
  CAS-BOT-BC41446  Eruca vesicaria subsp. sativa John Thomas Howell 1956-3-22 31127 San Luis Obispo Roadside just west of Cholame. Comment
  UC771667  Eryngium aristulatum var. hooveri R. F. Hoover 1946-8-3 6265 San Luis Obispo Laguna near San Luis Obispo; Laguna Comment
  UC195648  Eryngium armatum Ira J. Condit June 1912 San Luis Obispo San <Carpojo> Canyon Comment
  UCR101763  Eryngium armatum L. C. Wheeler 1964-6-22 8504 San Luis Obispo Piedras Blancas, Sunny grassy adobe flat just above the beach. 3 Comment
  CAS-BOT-BC54481  Erysimum capitatum R. F. Hoover 1947-3-30 6842 San Luis Obispo West edge of Carrizo Plain west of Simmler. Comment
  CAS-BOT-BC54504  Erysimum capitatum Rimo Bacigalupi; R. S. Ferris; G. T. Robbins 1955-5-23 5190 San Luis Obispo On road from Creston to Shandon, 4.5 miles north of Creston Cemetary. 457 Comment
  OBI15031  Erysimum capitatum var. capitatum Eben McMillan 1952-5-2 94 San Luis Obispo Choice Valley, 1 mi S, 8 mi E Shandon Comment
  RSA139960  Erysimum capitatum var. capitatum Clare B. Hardham 1960-4-8 5359 San Luis Obispo Hills between Carissa Plains and San Juan River. Paso Robles-Simmler Road. Comment
  SBBG50424  Erysimum suffrutescens M. R. Benedict 1969-3-2 San Luis Obispo N of Montana de Oro State Park Comment
  OBI58873  Erythranthe latidens David J. Keil 1998-6-8 27733 San Luis Obispo Hwy 58, 3 road miles NNW of junction with Red Hill Rd. Comment
  SBBG15537  Eschscholzia caespitosa M. A. Piehl 1963-4-21 6393 San Luis Obispo ca 0.25 mi from shore, along rd 1.5 mi N of Lion Rock, S of Los Osos 21 Comment
  CAS-BOT-BC403485  Eschscholzia californica Alice Eastwood 1926-4-29 13653 San Luis Obispo Cambria Comment
  OBI3896  Eschscholzia californica Elizabeth Rudd 1971-5-23 267 San Luis Obispo 3 mi NE of Santa Margarita 274 Comment
  OBI4163  Eschscholzia californica Julie R. Potter 1969-6-29 46 San Luis Obispo Morro Bay State Park Comment
  SBBG44903  Eschscholzia californica L. W. Edge 1972-5-9 163 San Luis Obispo Atascadero Lake Comment
  UC1126417  Eschscholzia californica C. M. Belshaw 1936-3-23 1696 San Luis Obispo 1/2 mi nw Black Hill (Plot #1); Cayucos Quadrangle 60 Comment
  CAS-BOT-BC403484  Eschscholzia californica Alice Eastwood 1896-5-13 s.n. San Luis Obispo Alamo Creek. Near the Boundary between Santa Barbara and San Luis Obispo Counties Comment
  CDA26823  Eschscholzia californica Neil Havlik 1967-4-16 30 San Luis Obispo At Avenales Wildlife Refuge. Growing in disturbed soil along the roadside of State Highway 58, in a sandy soil. 0 Comment
  OBI11808  Eschscholzia californica Aart C. DeVos 1963-4-30 89 San Luis Obispo 2 mi S of Morro Bay Comment
  OBI80367  Eschscholzia californica Kristen M. Nelson 2013-2-16 25 San Luis Obispo Ca. 0.6 mile northeast of Avila Beach Ca. 0.35 driving mile west of San Luis Bay Drive on Avila Beach Drive. Adjacent to distrubed roadside pull-out and immediately south of San Luis Obispo Creek. 6 Comment
  UCR93383  Eschscholzia glyptosperma George K. Helmkamp 1996-5-24 1007 B San Luis Obispo Inner South Coast Range, Along Calif. Hwy 166, 0.5 mi west of the SLO county line, east of Cuyama River 814 Comment
  JEPS114159  Eschscholzia hypecoides E. L. Painter, M. Wetherwax, D. Keil, K. Downing, C. Bratt, J. Olson 2000-5-16 CR- 64 San Luis Obispo Camp Roberts, upstream from Twin Bridges. Comment
  CAS-BOT-BC76468  Eschscholzia lemmonii Ernest C. Twisselmann 1962-3-26 6713 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon, 3.5 miles south of Cholame. 579 Comment
  RSA201522  Eschscholzia rhombipetala Robert F. Hoover 1950-3-31 7775 San Luis Obispo La Panza district Comment
  OBI72533  Eucalyptus camaldulensis J. Olson & R. Root, R. Root 2000-7-11 s.n. San Luis Obispo Camp San Luis Obispo. Intersection of Range and kern rds; roadside ruderal and planted area interfacing with riparian zone; clay loam with pebbles and gravel Comment
  HSC91677  Eucalyptus globulus Susan H. Bicknell 1988-8-15 San Luis Obispo Montano de Oro, MDO4 Comment
  UC1124389  Eucrypta chrysanthemifolia var. chrysanthemifolia B. Bolt 1936-5-25 741 San Luis Obispo 3 mi ene Santa Margarita; San Luis Obispo Quad. 396 Comment
  OBI54452  Eucrypta chrysanthemifolia var. chrysanthemifolia Matthew Arterburn 1997-4-8 44 San Luis Obispo 3.9 mi from Navajo Camp on Navajo Camp rd near Black Mtn, La Panza Range 762 Comment
  OBI66257  Eulobus californicus David J. Keil 1997-4-18 26196 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
  CAS-BOT-BC207078  Euphorbia ocellata Ernest C. Twisselmann 1967-8-22 13554 San Luis Obispo Dorothy Twisselmann Ranch - Temblor Range and the Western San Joaquin Valley 670 Comment
  RSA432468A  Euphorbia peplus Ralph Hoffmann 1930-4-19 s.n. San Luis Obispo Sandy border of pool in dunes. Comment
  OBI57759  Euphorbia serpillifolia subsp. serpillifolia David J. Keil 1998-9-4 28098 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
  OBI14377  Euphorbia spathulata Eben McMillan 1952-5-7 114 San Luis Obispo Pinole Spring 10 mi S 16 mi E Shandon Comment
  OBI17804  Euphorbia spathulata Penelope Blackmer 1973-4-30 82 San Luis Obispo On Yucca Ridge across crk from Skunk Hollow, Pennington Crk Bio Reserve Comment
  OBI27199  Euphorbia spathulata Thomas Burrows 1981-4-9 140 San Luis Obispo Reservoir Cyn 160 Comment
  POM137436  Euphorbia spathulata R. W. Summers 1880-4-25 8687 San Luis Obispo Glades of the Santa Lucia Mts. Comment
  OBI81083  Eurybia radulina David J. Keil 1985-6-19 18891 San Luis Obispo Along dirt road west from Clark Valley Rd. ca. 300-400 m South of Blue Heron View Way. Comment
  OBI80320  Euryops pectinatus Leighton Murphy, Wenji Tan 2014-11-10 1 San Luis Obispo Garfield Arms Apartments (Grand Avenue & Palm Street), San Luis Obispo 71 Comment
  OBI51425  Euthamia occidentalis Larry Kelly, David J. Keil 1988-10-1 265 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  CAS-BOT-BC310713  Euthamia occidentalis Ernest C. Twisselmann 1970-11-3 17567 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Old Highway 41, 1 mile east of Shandon (Don McMillan Ranch) 274 Comment
  CDA42566  Euthamia occidentalis G. Perez 2000-11-22 PDR 1213116 San Luis Obispo Central Coast; Santa Margarita Lake. 0 Comment
  OBI31093  Festuca arundinacea Julie M. Vanderwier 1980-11-10 s.n. San Luis Obispo Indian Knob Tar Sands Comment
  OBI2622  Festuca bromoides Larry E. Brown 1971-5-15 1994 San Luis Obispo Cambria Comment
  OBI28099  Festuca bromoides Carrie Wilson, Allison Berry 1982-4-24 23 San Luis Obispo Approx 6.5 mi NW of Paso Robles on CA rte G14. 1/2 mi inside entrance to Devil's Gorge cmpgd. On ridge above E shore of Lake Nacimiento Comment
  OBI79608  Festuca californica David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31364 San Luis Obispo San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. 447 Comment
  OBI3153  Festuca elmeri Larry E. Brown 1971-5-8 1982 San Luis Obispo Coon Crk in Montana de Oro State Park Comment
  OBI59042  Festuca microstachys David J. Keil 1998-4-30 27019 San Luis Obispo Caliente Range. 6.5 mi from Soda Lake Rd. on Selby Rd. (35 deg. 06.496' N x 119 deg. 51.124' W) 1271 Comment
  UCSB43929  Festuca microstachys Oberholtzer, M. 1980-4-20 San Luis Obispo Sierra de Salinas on the south side of Jolon Rd. 10 miles west of King City, half way up the slope 457 Comment
Read comments
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  SBBG112802  Festuca microstachys var. microstachys C. B. Hardham 1957-5-12 1952 San Luis Obispo Willow Crk, Montgomery Ranch Comment
  SBBG86448  Festuca microstachys var. pauciflora C. F. Smith 1973-4-26 10512 San Luis Obispo E base of Caliente Mtn, lower Cuyama Valley Comment
  OBI69317  Festuca myuros David J. Keil, with Lynne Dee (Oyler) Althouse 2002-4-22 29816 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
  SBBG118210  Festuca myuros M. Wetherwax, E. Painter 2003-5-13 CR 451 San Luis Obispo Boy Scout Rd toward Twin Bridges parking area, Nacimiento River; Camp Roberts Comment
  UCR170023  Festuca myuros George K. Helmkamp, E. A. Helmkamp 2005-2-16 8928 San Luis Obispo Central Coast, Mesa Dune Mobile Home Park; SW of Arroyo Grande along Calif. Highway 1 76 Comment
  SBBG93960  Festuca myuros var. hirsuta S. A. Junak, T. Ayers 1989-4-12 3948 San Luis Obispo just N of USFS Rd 29S11.3 on slopes just NW of TV towers, E end of the Cuesta Ridge Botanical Area, ca. 3 mi W of US Hwy 101 749 Comment
  OBI27382  Festuca perennis Thomas Burrows 1980-8-14 102 San Luis Obispo Reservoir Cyn 145 Comment
  OBI65965  Festuca perennis Wendy Thackery, Stacey Smith and Paul Corsi 2003-6-30 7 San Luis Obispo Central Coast Comprehensive Wetlands GIS (CCCWGIS). S of Morro Bay on hwy 1. At headwaters of Walters Crk N of hwy 1 209 Comment
  OBI66247  Foeniculum vulgare David J. Keil 1998-10-9 28128 San Luis Obispo Along California Highway 166 and Cuyama River, ca. 11 miles e of Tepusquet Canyon Road and in vicinity of trailhead (Los Padres Natl. Forest), ca. 2 miles e of Rock Front Ranch. Comment
  CAS-BOT-BC52650  Frangula californica subsp. californica Ira L. Wiggins 1929-4-16 3666 San Luis Obispo Grade 6 miles above Moro on Atascadero Road Comment
  CAS-BOT-BC211650  Frankenia salina Alice Eastwood 1926-5-5 s.n. San Luis Obispo Cholame Comment
  OBI14193  Frankenia salina Barrett Anderson 1973-8-7 381 San Luis Obispo Shark's Inlet, S end of Morro Bay Comment
  SBBG54815  Frankenia salina R. J. Rodin 1959-5-26 6357 San Luis Obispo salt marsh in Morro Bay State Park Comment
  OBI21063  Freesia refracta John Helfrich 1964-3-1 9 San Luis Obispo 1425 Phillips Ln, San Luis Obispo Comment
  CAS-BOT-BC205937  Fremontodendron californicum E. R. Blakley 1965-5-8 6549 San Luis Obispo About 2 1/2 mi. n.w. of Highway 101 at the Cuesta Summit 670 Comment
  UC1418477  Fremontodendron californicum subsp. californicum Robert J. Rodin 1974-5-4 9490 San Luis Obispo w of Highway 101 (Cuesta Grade, only on right side of the road, found 1.6 mi farther west than rodin 9489); Cuesta Grade Comment
  UC454435  Fritillaria affinis I. J. Condit 1908-4-2 San Luis Obispo Lopez Canyon Comment
  UC310377  Fritillaria affinis Philip A. Munz 1925-3-25 9253 San Luis Obispo 3 mi from Pismo (Pismo Creek); Pismo Creek Comment
  CAS-BOT-BC130269  Fritillaria biflora Reid Moran 1937-4-4 173 San Luis Obispo Morro Bay Comment
  OBI59374  Fritillaria biflora David J. Keil, with Jill Bushakra 2001-6-14 29548 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  CAS-BOT-BC130270  Fritillaria biflora W. R. Dudley 1903-4-3 s.n. San Luis Obispo Spur south of Santa Margarita, R.R. Tunnel 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
  SEINET12044001  Fritillaria biflora Unknown 1939-1 230 San Luis Obispo Point Sal Comment
  UCSB15375  Fritillaria biflora Breedlove, Dennis 1962-3-29 San Luis Obispo 13.9 miles east of Santa Margarita, La Panza Range on main road to Carrizo Plain 502 Comment
  OBI58360  Fumaria capreolata Jody Pennycook 2001-3-6 s.n. San Luis Obispo San Luis Obispo, E bak of San Luis Creek where South St dead ends Comment
  SBBG112592  Fumaria parviflora C. B. Hardham 1968-3-31 15551 San Luis Obispo Huntington Ranch, 6 mi E of Paso Robles Comment
  UC1928115  Fumaria parviflora David Keil 2006-2-18 30422 San Luis Obispo Dalidio Farms and roadside along Dalidio Drive adjacent tyo Central Coast Plaza Shopping Center, San Luis Obispo. Comment
  OBI72509  Gaillardia aristata E. L. Painter 2003-3-5 SLO- 302 San Luis Obispo Camp San Luis Obispo. Garden of Officer's Club. UTMs (NAD27) zone 10, 709104E. 3911737N 125 Comment
  UC1927977  Galium Ann Cochran 1986-8-1 84 San Luis Obispo Sierra Nevada mountains, W side; Mountain Home State Forest Comment
  POM67227  Galium andrewsii Marcus E. Jones 1882-5-8 3239 San Luis Obispo San Luis Obispo. Comment
  OBI28211  Galium andrewsii Penny Principe 1982-5-2 s.n. San Luis Obispo Santa Lucia Mts, E Cuesta Ridge, 2.7 mi SE of hwy 101 Comment
  OBI79366  Galium angustifolium David J. Keil, with Matt Ritter, Mike Simpson, David Chipping, Heath Bartosh, & Taylor Crow 2013-5-2 31671 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
  OBI57058  Galium angustifolium subsp. angustifolium Frederic Hrusa 1993-5-20 11059 San Luis Obispo Big falls Crk 200 Comment
  CDA15178  Galium aparine G. F. Hrusa 1998-4-27 14286 San Luis Obispo Caliente Range; Lower Goat Springs Canyon, approx. 2 mi. W of Soda Lake Rd. Comment
  OBI78463  Galium aparine Unknown 1960-5-11 s.n. San Luis Obispo Poly Cyn Comment
  OBI19932  Galium aparine Walter F. Chesebro 1978-5-26 250 J San Luis Obispo Montana de Oro State park. Coon Crk Comment
  UC463263  Galium aparine Roxana S. Ferris 1929-4-25 7840 San Luis Obispo 2 mi n Moro (on coast road) Comment
  UC2013238  Galium californicum David Keil 1979-7-1 13135 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  OBI53031  Galium californicum subsp. californicum Lynne Dee Oyler 1990-6-12 1186 San Luis Obispo Mobil Oil Property just N of UNOCAL property boundary N of UNOCAL pump #K8 Comment
  OBI66589  Galium californicum subsp. flaccidum D. R. Miller 1994-5-12 594 -355 San Luis Obispo Pie Mts Region; E slope of Pine Mt; Pico Crk draninage 945 Comment
  SD39775  Galium porrigens var. porrigens Edith A. Purer 1933-7-20 5072 San Luis Obispo Stabilized sand dunes, northwest of Guadalupe Comment
  OBI45281  Galium trifidum subsp. columbianum David J. Keil 1982-6-26 16220 San Luis Obispo Vicinity of Arroyo de la cruz N of San Simeon Comment
  OBI78466  Galium trifidum subsp. columbianum Robert F. Hoover 1946-8-25 6335 San Luis Obispo Oceano Beach Comment
  OBI31983  Gamochaeta ustulata David J. Keil, Rhonda Riggins, Dirk Walters, Malcolm McLeod, Melissa Luckow, et al. 1981-4-11 14405 San Luis Obispo N of San Simeon along ridge just S of Arroyo de la Cruz Comment
  UC578636  Gamochaeta ustulata C. M. Belshaw 1936-3-31 1764 San Luis Obispo 2 1/2 mi nw Morro; Camcos Quadrangle 15 Comment
  CAS-BOT-BC303462  Gamochaeta ustulata J. E. Roadhouse 1905-1-1 s.n. San Luis Obispo Near San Luis Obispo Comment
  OBI5002  Garrya flavescens Robert F. Hoover 1963-10-26 8610 San Luis Obispo Trail to Machesna Mt. , La Panza Range Comment
  OBI3350  Garrya flavescens Neil Havlik 1970-4-1 541 San Luis Obispo 1.5 mi N of Pine Spring Campground, La Panza range Comment
  OBI59930  Garrya veatchii G. F. Hrusa, D. Ragan 1993-12-28 11577 San Luis Obispo On summit of ridge, end of paved road approx 3.5 mi NW of Cuesta pass Comment
  OBI69702  Gastridium phleoides Steven A. Junak 1989-4-27 3980 San Luis Obispo Flora of Cuesta Ridge Botanical Ara, Los Padres Natl ForestCuesta Ridge; Along N side of main rd (USFS rd #29S11.3) at intersection with rd to abandoned mine at Dughi Spring, about 1.8 mi W of E boudnary sign, roughly 4.8 mi W of hwy 101 799 Comment
  UC1953164  Gazania linearis David Keil 2009-6-30 30625 San Luis Obispo San Luis Obispo Rainwater detention basin behind Marigold Shopping Center (intersection of Brtoad Street and Tank Farm Road). Comment
  OBI28270  Genista monspessulana Rick Frelinger 1982-5-25 87 San Luis Obispo San Luis Crk in Reservoir Cyn Comment
  CAS-BOT-BC219135  Genista monspessulana J. T. Howell 1961-4-14 36503 San Luis Obispo Protestant Cemetery, Cambria Comment
  OBI66409  Geranium core-core David J. Keil, with Dave Hacker 2005-6-24 30391 San Luis Obispo North of San Simeon along California Route 1, north of Piedras Blancas Lighthouse and south of Arroyo de la Cruz, coastal drainage and adjacent roadsides just south of Piedras Blancas Motel Comment
  RSA0042486  Geranium molle LeRoy Gross, Marcel Beffort, Pam DeVries 2014-5-13 6437 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
  OBI79799  Gilia David J. Keil, with Matt Ritter, Taylor Crow, Dan Sinton, et al. 2013-4-6 31570 San Luis Obispo Avenales Ranch, south of Pozo 420 Comment
  RSA48968  Gilia achilleifolia Verne Grant, Alva Grant 1948-5-29 8557 San Luis Obispo Serpentine outcrop 1 mile south of San Luis Obispo on Hwy 101. Comment
  SBBG3770  Gilia achilleifolia subsp. achilleifolia C. B. Hardham 1957-4-14 1672 San Luis Obispo Marquardt Ranch, Cayucos Rd Comment
  RSA0029372  Gilia capitata Greg Wilvert 2005-3-30 68 San Luis Obispo 400 m SW of dead end of Padrones Cyn Rd., near Padrones Spring. 888 Comment
  OBI64394  Gilia clivorum David J. Keil 2001-3-28 29187 San Luis Obispo Highway 46, 0.4 miles southwest of Cholame Comment
  CAS-BOT-BC225560  Gilia tenuiflora Ernest C. Twisselmann 1969-4-14 15106 San Luis Obispo Bedell Ranch, 5 miles southeast of Creston La Panza Range 350 Comment
  CAS-BOT-BC225515  Gilia tenuiflora Ernest C. Twisselmann 1954-3-20 905 San Luis Obispo Palo Prieta Canyon, 3 miles south of US466, Temblor Range and the Western San Joaquin Valley 502 Comment
  RSA150792  Gilia tenuiflora Clare B. Hardham 1962-5-31 10253 San Luis Obispo Huasna Creek, east of Arroyo Grande. Comment
  RSA212013  Gilia tenuiflora subsp. amplifaucalis E. C. Twisselmann 1969-4-14 15115 San Luis Obispo Bedell ranch, 5 miles southeast of Creston 419 Comment
  RSA113504  Gilia tenuiflora subsp. tenuiflora Clare B. Hardham 1957-4-13 1653 San Luis Obispo San Luis Obispo, Black Mt, Higland District. Comment
  CAS-BOT-BC422486  Glaucium flavum Ernest C. Twisselmann 1968-8-30 14916 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley: 3/8 mile below the Choice Valley School 563 Comment
  OBI81529  Glebionis coronaria Jake Ricci, Megan Stith, Garret Auproux 2015-11-8 3 San Luis Obispo Walk .25 mile from Morro Dunes RV Park with your back facing Morro Rock. As soon as the road veers off to the right, cross the street. Follow the small trail between the dunes and the fence. Walk 20ft and the plant was collected on the left. 11 Comment
  OBI66908  Glebionis coronaria David J. Keil 2000-6-1 28799 San Luis Obispo Junction of Halcyon Road and Highway 1 near Arroyo Grande Comment
  OBI22766  Gleditsia triacanthos Jay B. Hunt 1955-10-25 s.n. San Luis Obispo Lawn frotn of ad. Bldg, Cal Poly Comment
  CAS-BOT-BC435011  Glinus lotoides Clare B. Hardham 1959-10-1 4197 San Luis Obispo Chris Klinrworth Ranch. About 10 miles south east of Paso Robles, road from Creston Road to Standard Oil Pump Station. Comment
  UCR132055  Gnaphalium luteoalbum George K. Helmkamp 2003-7-31 8054 B San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  OBI23038  Gnaphalium palustre David J. Keil 1979-10-27 13661 San Luis Obispo E end of Lopez Lake below confluence of Arroyo Grande Crk and Phoenix crk, 0.2 mi from jctn of Lopez Cyn Rd and Pozo Rd Comment
  OBI33326  Gnaphalium palustre David J. Keil 1983-10-21 17973 San Luis Obispo Just S of Creston along hwy 229 on Lasma property Comment
  UC1118532  Gnaphalium palustre H. C. Lee 1937-5-24 992 San Luis Obispo 1 mi se Creston; Paso Robles Quad. 335 Comment
  NY232205  Godetia parviflora var. luteola C. L. Hitchcock 1928-6-17 40 San Luis Obispo Road between Atascadero and Morro, at summit of grade. 350 Comment
  OBI25459  Grindelia hirsutula David J. Keil, Malcolm McLeod, Melissa Luckow, Julie Vandervier et al. 1980-5-18 13986 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
  OBI56679  Grindelia hirsutula David J. Keil 1998-5-18 27287 San Luis Obispo E of Cayucos along Old Creek Rd., 2.8 mi. from junction with californica. Rte. 1, about 500 ft. E of Whale Rock Reservoir. Comment
  CAS-BOT-BC305096  Grindelia hirsutula John Thomas Howell 1929-10-13 4489 San Luis Obispo 2 1/2 miles north of Cambria Comment
  SBBG109815  Grindelia hirsutula C. B. Hardham 1956-11-3 1507 San Luis Obispo South Rd to Santa Margarita from US Hwy 101 Comment
  OBI70813  Hainardia cylindrica David J. Keil 2009-6-18 30621 San Luis Obispo Boysen Ranch created wetlands. West of Foothill Road between O'Connor Way and Los Osos Valley Road Comment
  UC382620  Hazardia squarrosa var. squarrosa H. M. Hall 1926-10-8 12267 San Luis Obispo ca 100 m from sea Pismo Beach Comment
  JEPS18662  Hazardia stenolepis Ernest C. Twisselmann 1954-10-14 1620 San Luis Obispo Mariannas Summit Temblor Range, Western San Joaquin Valley, Mariannas Summit 1066 Comment
  CDA34875  Hedera canariensis David J. Keil 2000-1-24 28412 San Luis Obispo Cambria, just south of Santa Rosa Creek Road along Main Street at creek crossing. 0 Comment
  UC1321270  Helenium puberulum R. F. Hoover 1966-10-1 10107 San Luis Obispo Vasquez Canyon Vasquez Canyon (tributary to lower Lopez Canyon) Comment
  HSC91836  Helianthemum scoparium Susan H. Bicknell 1989-4-18 San Luis Obispo Montana de Oro State Park, along Cable Trail. Comment
  RSA171115  Helianthemum scoparium var. scoparium R. F. Thorne, P. C. Everett, K. Thorne 1963-6-7 32150 San Luis Obispo Along Cuesta Ridge road, 1.8 miles NW from Cuesta Pass Freeway. 549 Comment
  OBI62806  Helianthus annuus Beth Waterbury 1983-7-12 14 San Luis Obispo Town of Cholame on state hwy 46 Comment
  JEPS96516  Helianthus gracilentus Dean W. Taylor 1971-4-24 1008 San Luis Obispo Cuesta Ridge, in Cuesta Ridge Botanical Area along the ridge at Firebreak Benchmark 2476 746 Comment
  CAS-BOT-BC305752  Helianthus gracilentus Ernest C. Twisselmann 1955-6-16 2156 San Luis Obispo La Panza Range. Queen Bee Canyon near Queen Bee Mine 624 Comment
  RSA772538  Helianthus gracilentus R. F. Thorne, Percy C. Everett 1963-6-12 32273 -a San Luis Obispo 1 mile N of entrance to Piedras Blancas Point. 8 Comment
  SBBG48384  Helianthus gracilentus R. N. Philbrick with D. Emery, R. J. Rodin 1974-5-29 San Luis Obispo TV rd W of Cuesta Summit and US Hwy 101; 1.5 mi SE of TV tower Comment
  UC1063902  Heliotropium curassavicum C. J. Kraebel 1933-8-14 4 San Luis Obispo 1/8 mi. e. of Shandon at San Juan Bridge; Cholame Quad. Comment
  OBI38251  Heliotropium curassavicum Eric Wise 1981-8-7 1050 San Luis Obispo Poso Ortega Lake Comment
  SD39694  Heliotropium curassavicum Edith A. Purer 1932-8-1 4703 San Luis Obispo Morro Bay; sand dunes. Comment
  OBI20849  Heliotropium curassavicum var. oculatum Robert F. Hoover 1964-8-13 9234 San Luis Obispo Mouth of Morro Crk Comment
  OBI38241  Heliotropium curassavicum var. oculatum Eric Wise 1983-10-16 1838 San Luis Obispo Grant Lake. Bordering James Grant's property on Choice Valley rd about 1 mi S of Choice Valley school Comment
  CAS-BOT-BC305919  Helminthotheca echioides R. F. Hoover 1964-8-13 9225 San Luis Obispo Mouth of Morro Creek Comment
  UCSB39887  Helminthotheca echioides Shaw, J. 1982-7-1 San Luis Obispo Along Los Osos Valley Road at intersection with Descanso Street in San Luis Obispo 15 Comment
  CAS-BOT-BC309868  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1965-8-1 9498 San Luis Obispo Valley west of Mt. Bishop Comment
  OBI31629  Hemizonia congesta subsp. luzulifolia Turnquist, Smeltzer 1982-7-23 190 San Luis Obispo N of Laguna Lake Park Comment
  OBI17403  Hemizonia congesta subsp. luzulifolia Lynne Dee Althouse 1977-5-3 69 San Luis Obispo Wofle's horse ranch, N of San Luis High School 130 Comment
  RSA152491  Hemizonia fasciculata R. C. Bacigalupi, G. Thomas Robbins 1954-5-13 4455 San Luis Obispo At crossing of Dry Creek along road from Union School to Geneseo School. 320 Comment
  RSA492679  Hemizonia fasciculata Walter Wisura, L. Aberbom 1989-5-16 4346 San Luis Obispo San Bernardo Creek Ranch, E of Morro Bay Comment
  RSA94179  Hemizonia luzulifolia F. W. Peirson, Mabel Peirson 1920-7-30 2232 San Luis Obispo Near Morro. Comment
  OBI56749  Herniaria hirsuta var. cinerea David J. Keil, with V. L. Holland 1999-6-9 28371 San Luis Obispo Camp Roberts. In area with approximate 100 m radius of intersection of F1 Road and D34 Road (ca. 35 deg. 44.734'N x 120 deg. 50.118'W) 366 Comment
  OBI32993  Hesperevax sparsiflora var. sparsiflora David J. Keil, Malcolm McLeod and CNPS Rare Plant Committee 1983-5-1 16970 San Luis Obispo Between Arroyo de la Cruz and Arroyo de los Chino Comment
  OBI72308  Hesperevax sparsiflora var. sparsiflora Anthony Baniaga, Theo Fitanides 2010-5-2 161 San Luis Obispo Tierra Redonda Mtn BLM ACEC 413 Comment
  UCR67843  Hesperocnide tenella Steven A. Junak 1990-5-1 4281 San Luis Obispo Santa Lucia Mtns, At N edge of Cuesta Ridge Botanical Area, along power line access road which transects Tassajera Creek Road c. 2.4 mi west of Hwy 101, c. 1.2 road mi south of Tassajera Creek Road. 534 Comment
  OBI2848  Hesperocyparis sargentii K. J. Platzek 1970-2-3 2 San Luis Obispo Cuesta Grade, 3 mi N of San Luis Obispo, below radio tower Comment
  UC702944  Hesperomecon linearis Alice Eastwood 1941-4-21 18972 San Luis Obispo Nipomo Mesa Comment
  OBI11724  Hesperomecon linearis Robert F. Hoover 1947-3-30 6818 San Luis Obispo East branch of Huerhuero Crk about 5 mi S of Creston Comment
  OBI27041  Heteromeles arbutifolia James Courtney 1980-12-20 18 San Luis Obispo Pennington Crk Bio reserve, W of San Luis Obispo Comment
  OBI59246  Heteromeles arbutifolia G. F. Hrusa, J. Park, G. Perez 1998-7-21 14735 San Luis Obispo South Coast Ranges. Suey Crk rd +- 7 km W of hwy 166 Comment
  OBI6668  Heteromeles arbutifolia Greg Hassen 1975-7-15 33 San Luis Obispo Poly Cyn Comment
  OBI78689  Heteromeles arbutifolia Matt Gross 2013-1-25 San Luis Obispo About 1/4 mile past gate on Poly Canyon Road, east of road by about 100 ft. 61 Comment
  UCR80626  Heteromeles arbutifolia Don Pendleton 1992-3-15 92- 11 San Luis Obispo E side of Atascadero, adjacent to railroad tracks on N-S trending ridge west of Salinas River, behind private residence at 7103 Sycamore Road. 366 Comment
  OBI3713  Heteromeles arbutifolia Mary Kidd 1970-10-8 119 San Luis Obispo Cal Poly, Behind soils A-wing biology bldg Comment
  RSA586011  Heteromeles arbutifolia F. L. Johnson, M. D. Proctor 1993-2-19 s.n. San Luis Obispo 1 km SW of Ranch House on Nacimiento Road. Comment
  RSA0074068  Heterotheca grandiflora M. D. Proctor, E. A. Young 1993-3-19 0262 San Luis Obispo Reservoir 7, Camp Roberts. Comment
  OBI33104  Heterotheca oregona David J. Keil 1983-7-16 17403 San Luis Obispo Vicinity of Arroyo de la Cruz, N of San Simeon Comment
  OBI49783  Heterotheca sessiliflora subsp. echioides D. R. Miller 1991-9-5 991 1 B San Luis Obispo Along main ridge rd, near Air Strip, upper San Simeon crk area 518 Comment
  OBI72489  Heterotheca sessiliflora subsp. echioides E. L. Painter & M. Wetherwax, M. Wetherwax 2002-9-4 CR- 360 San Luis Obispo Camp Roberts UTMs (NAD27) zone 10S, 696014E, 3957204N. Sulphur Spring Cyn, training area S 268 Comment
  CDA13962  Hieracium argutum G. F. Hrusa, D. Ragan 1997-8-1 14071 San Luis Obispo South Coast Ranges; Los Padres National Forest; upper Water Canyon on E side of Cuesta Ridge SE of Cuesta Pass. Comment
  OBI49786  Hieracium argutum D. R. Miller 1991-7-9 791 -2 San Luis Obispo Along roadside on rd to 'The Property'. On E slope of Pine mtn 701 Comment
  UC1129906  Hoita orbicularis H. C. Lee 1936-6-5 672 San Luis Obispo Los Berros Canyon Nipomo Quadrangle Comment
  OBI12757  Hoita orbicularis Neil Havlik 1968-5-25 207 San Luis Obispo 1.1 mi from Los Osos Valley rd Comment
  OBI40667  Hoita orbicularis David J. Keil 1985-6-9 18795 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. Just N of Eto Lake at edge of riparian corridor Comment
  CAS-BOT-BC412720  Hollisteria lanata Alice Eastwood 1926-5-5 13912 San Luis Obispo Cholame Comment
  OBI16068  Holocarpha heermannii Robert F. Hoover 1947-8-17 7383 San Luis Obispo Santa Rosa School near Cambria Comment
  CAS-BOT-BC325902  Holocarpha heermannii R. F. Hoover 1969-9-26 11621 San Luis Obispo North side of San Luis Reservoir Comment
  UCR91689  Hordeum brachyantherum George K. Helmkamp 1996-5-24 1037 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  CAS-BOT-BC289520  Hordeum brachyantherum subsp. californicum Ernest C. Twisselmann 1955-6-16 2170 San Luis Obispo Upper Buckhorn Canyon, La Panza Range 609 Comment
  CAS-BOT-BC285003  Hordeum depressum Ira L. Wiggins 1929-4-15 3597 San Luis Obispo 8 miles n. w. of San Luis Obispo on highway to Moro Comment
  UCSB25730  Hordeum intercedens Black, Nan 1968-4-20 San Luis Obispo Pico Creek, 3.8 miles south of San Simeon 3 Comment
  OBI21926  Hordeum murinum Eben McMillan 1952-5-2 95 San Luis Obispo Choice Valley 1 mi S, 8 mi E of Shandon Comment
  SBBG118212  Hordeum murinum M. Wetherwax, E. Painter 2000-3-21 SLO 42 San Luis Obispo saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  OBI2718  Hordeum murinum Larry E. Brown 1971-2-21 1918 San Luis Obispo Along Us 1 in Santa Maria Valley W of Santa Maria Comment
  CAS-BOT-BC289391  Hordeum murinum subsp. glaucum Ernest C. Twisselmann 1955-4-26 1901 San Luis Obispo Painted Rock, Temblor Range and the Western San Joaquin Valley 731 Comment
  OBI31528  Hordeum murinum subsp. leporinum Joy Nishida 1982-5-29 404 San Luis Obispo 0.2 mi S of American Cyn campground 518 Comment
  RSA585601  Hordeum murinum subsp. leporinum M. D. Proctor, E. A. Young 1993-3-17 ROB 0200 San Luis Obispo 2 km SE of Twin Bridges on Boyscout Rd. Comment
  OBI21933  Hordeum vulgare Robert F. Hoover 1964-6-9 9008 San Luis Obispo Chaplin Ln, San Luis Obispo Comment
  UC73030  Horkelia cuneata subsp. cuneata Miss M. Alice King 1895-5-1 San Luis Obispo arroyo grande Comment
  RSA128112  Horkelia cuneata subsp. puberula Clare B. Hardham 1959-4-23 4291 San Luis Obispo Atascadero. Shale hills, Santa Barbara Road. Comment
  OBI31493  Horkelia yadonii Joy Nishida, Melissa Luckow, Rob Keplinger, and Robert Allen 1982-6-10 449 San Luis Obispo American Cyn. Stream bed just NE of American Cyn campground 524 Comment
  CAS-BOT-BC88570  Hornungia procumbens Ernest C. Twisselmann 1955-3-22 1741 San Luis Obispo Temblor Range and the Western San Joaquin Valley. South end of Soda Lake, Carissa Plains. 579 Comment
  CAS-BOT-BC88592  Hornungia procumbens David D. Keck; J. Clausen 1935-4-10 3146 San Luis Obispo Soda Lake, Carrizo Plains. 594 Comment
  CAS-BOT-BC88595  Hornungia procumbens R. F. Hoover 1952-4-1 8069 San Luis Obispo Soda Lake, Carrizo Plain. Comment
  OBI13198  Hosackia gracilis Robert F. Hoover 1947-4-18 6942 San Luis Obispo Cambria Comment
  OBI13203  Hosackia gracilis Robert F. Hoover 1968-4-20 11067 San Luis Obispo S of Arroyo de la Cruz Comment
  CAS-BOT-BC312551  Hulsea heterochroma R. F. Hoover 1947-4-26 7083 San Luis Obispo 3 mi. ne of Pozo Comment
  OBI8953  Hydrocotyle ranunculoides Robert F. Hoover 1947-7-26 7332 San Luis Obispo Near Piedras Blancas Point (just N of) Comment
  OBI3933  Hypochaeris glabra Patricia Wiese 1971-5-31 76 a San Luis Obispo Fuelbreak in Cuesta Ridge Botanical aRea. 2 mi NW of Cuesta Pass 762 Comment
  UC1332435  Ipomoea cairica Harry George 1968-9-30 San Luis Obispo Santa Margarita River Lagoon, Santa Margarita Lake on Salinas River Comment
Read comments
May 31 2006
  OBI16003  Isocoma acradenia var. bracteosa Robert F. Hoover 1965-9-19 9631 San Luis Obispo Carrizo plain on W side of Soda Lake Comment
  OBI16006  Isocoma acradenia var. bracteosa Robert F. Hoover 1969-9-19 11599 San Luis Obispo Palo Prieto cyn Comment
  CDA19682  Isocoma menziesii var. vernonioides A. Gilbert 1996-7-3 s.n. - 7 San Luis Obispo Morro Bay. 0 Comment
  OBI75127  Isocoma menziesii var. vernonioides Helen Jones 1982-8-7 42 San Luis Obispo Piedras Blancas Point Comment
  UC455829  Isocoma menziesii var. vernonioides I. J. Condit 1908-10-3 San Luis Obispo San Luis Obispo Comment
  OBI62228  Isocoma menziesii var. vernonioides P. A. Holden 1968-9-25 San Luis Obispo Along fwy frontage road between Lower Higuera St. and North Avila Beach offramps on E slope Comment
  RSA142235  Isolepis carinata Clare B. Hardham 1959-4-12 4227 San Luis Obispo Santa Lucia Mountains: Cambria. Comment
  CAS-BOT-BC112555  Isolepis cernua Clare Butterworth Hardham 1963-6-18 10829 San Luis Obispo Pinus radiata woods, Cambria. Comment
  OBI22589  Isolepis cernua Robert F. Hoover 1947-8-9 7365 San Luis Obispo Between San Carpoforo Crk and Arroyo de la Cruz Comment
  OBI51937  Jaumea carnosa Larry Kelly, David J. Keil 1988-10-1 295 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  POM361347  Jaumea carnosa Thekla Mohr 1911-07 s.n. San Luis Obispo San Luis Obispo. Comment
  UC1928090  Juncus acutus subsp. leopoldii David Keil 2005-6-24 30406 San Luis Obispo Small salt marsh at mouth of Pico Creek just north of San Simeon acres Comment
  RSA368334  Juncus breweri Edith A. Purer 1931-8-5 14057 San Luis Obispo Oceano Comment
  SBBG119404  Juncus bufonius var. bufonius M. Wetherwax, E. Painter 2003-5-1 SLO 327 San Luis Obispo unnamed tributary of Chorro Crk, below Chorro Crk bog thistle exclosure; Camp San Luis Obispo 260 Comment
  OBI67840  Juncus bufonius var. bufonius M. Wetherwax & E. L. Painter, E. L. Painter 2003-5-1 SLO- 327 San Luis Obispo Camp San luis Obispo. Unnamed minor perennial tributary of Chorro Creek, below Chorro Crk Bog thistle exclosure 260 Comment
  UC1928082  Juncus bufonius var. bufonius David Keil 1998-5-6 27095 San Luis Obispo NE of Paso Robles. Vernal pool on S side of Tower Rd., 0.3 mi W of junction with Jardine Rd. Comment
  UC771774  Juncus hesperius R. F. Hoover 1946-10-10 6512 San Luis Obispo Price Canyon Comment
  UC1101007  Juncus lescurii Malcolm A. Nobs and S. Galen Smith 1949-6-22 824 San Luis Obispo 3 mi s of Pismo Beach; Oceano Comment
  UCR59832  Juncus lescurii George K. Helmkamp 1989-8-6 s.n. San Luis Obispo Central Coast, Baywood Park, at the south edge of Morro Bay 3 Comment
  OBI74988  Juncus occidentalis Michael Walgren 2011-3-1 215 San Luis Obispo Caltrans right of way along hwy 1 at San Simeon State park, between Cambria and San Simeon Acres 13 Comment
  RSA586355  Juncus phaeocephalus var. phaeocephalus F. L. Johnson, E. A. Young 1993-5-27 ROBO 680 San Luis Obispo Plant inventory of Camp Roberts and Camp San Luis Obispo: 1 km NE of Chorro Reservoir. Camp San Luis Obispo. Comment
  OBI81369  Juncus uncialis Jason Dart 2010-4-2 360 San Luis Obispo Northern Carrizo Plain, 0.5 mile southwest of Highway 58 at Carissa Elementary School. 616 Comment
  UC771630  Juncus xiphioides R. F. Hoover 6545 San Luis Obispo Atascadero Salinas River Comment
  RSA220217  Juniperus californica E. C. Twisselmann, Donald J. Bedell 1969-11-15 16331 San Luis Obispo Sulfur Spring Canyon, Santa Ysabel Ranch, 5 miles S of Paso Robles. 206 Comment
  SBBG93918  Keckiella cordifolia S. A. Junak 1990-7-13 4410 San Luis Obispo near N edge of Cuesta Ridge Botanical Area, powerline access rd, between first and second high voltage tower, E of W Cuesta Ridge Rd, ca. 1.2 rd mi S of Tassajera Crk Rd 548 Comment
  UC1063227  Keckiella cordifolia H. C. Lee 1936-4-2 545 San Luis Obispo 0.25 mi w Sycamore Springs; Arroyo Grande Quad. 45 Comment
  UC1334651  Keckiella cordifolia Austin Griffiths Jr. and Patricia L. Griffiths 1966-7-25 5073 b San Luis Obispo ca 1.5 mi se Oceano Comment
  OBI69451  Keckiella cordifolia David J. Keil 2008-5-22 30520 San Luis Obispo Santa Lucia Mountains. Mount Lowe Road, ca. 1.5 miles from junction with US 101 at boundary of Los Padres National Forest. Comment
  JEPS99340  Kickxia spuria Clare B. Hardham 1958-9-12 2603 San Luis Obispo Santa Rosa Creek Comment
  OBI80219  Koeleria macrantha David J. Keil 1992-4-12 22802 San Luis Obispo Laguna Lake City Park 170 Comment
  SBBG87073  Lactuca serriola C. F. Smith 1958-7-15 5808 San Luis Obispo dirt rd, ca. 2 mi E of Old Cuyama on Hwy 66 Comment
  CAS-BOT-BC340722  Laennecia coulteri Clare B. Hardham 1986-10-4 30421 San Luis Obispo Creston Road six miles east of 101 304 Comment
  CAS-BOT-BC341612  Lagophylla ramosissima Ernest C. Twisselmann 1958-8-17 4679 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 655 Comment
  OBI82629  Lagophylla ramosissima David J. Keil 2015-7-8 33321 San Luis Obispo Santa Rita Road west of Templeton Comment
  CAS-BOT-BC273876  Lamarckia aurea Ernest C. Twisselmann 1965-5-17 10813 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dorothy Twisselmann Ranch, eastern San Luis Obispo County 670 Comment
  RSA585828  Lamarckia aurea G. Fred Hrusa 1995-5-28 12286 San Luis Obispo Near intersection of main ridge road & access road to Peak 1 Radio Facility 620 Comment
  CAS-BOT-BC334576  Lasthenia californica Alice Eastwood 1926-5-4 s.n. San Luis Obispo Paso Robles Comment
  CAS-BOT-BC339039  Lasthenia californica Paul F. Covel 1941-4-11 1949 San Luis Obispo Hgwy 101 near Sta. Maria Comment
  CAS-BOT-BC339043  Lasthenia californica Roxana S. Ferris 1955-5-23 12812 San Luis Obispo Cammatti Canyon road, 1.6 mi. N of its junction with Creston-La Panza road Comment
  CAS-BOT-BC324416  Lasthenia californica subsp. macrantha R. F. Hoover 1948-4-14 7446 San Luis Obispo 1.8 mile north of Arroyo de la Cruz on State Highway 1 Comment
  CAS-BOT-BC329177  Lasthenia ferrisiae David D. Keck; J. Clausen 1935-4-10 3140 San Luis Obispo E side of Soda Lake, Carrizo Plains 609 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
  SEINET9303097  Lasthenia ferrisiae Unknown 2000-4-12 15347 San Luis Obispo Alkali flats 3 mi E of Washburn on Panorama Rd. ex CDA, Robert F. Hoover Herbarium Comment
  UC1285419  Lasthenia glaberrima R. F. Hoover 1950-5-15 7916 San Luis Obispo near nw end Laguna (San Luis Obispo); San Luis Obispo Comment
  POM96039  Lasthenia gracilis P. A. Munz 1926-4-8 10158 San Luis Obispo Paso Robles Comment
  CAS-BOT-BC361256  Lasthenia leptalea L. R. Abrams 1926-3-22 109809 San Luis Obispo Atascadero Comment
  UC1443482  Lasthenia leptalea Ernest C. Twisselmann 1969-4-14 15105 San Luis Obispo 5 mi se Creston; La Panza Range, Bedell Ranch 350 Comment
  RSA202546  Lasthenia leptalea E. C. Twisselmann 1968-3-6 14048 San Luis Obispo La Panze Pange: head of Cammatta Canyon at the Bethel Ranch. 534 Comment
  SBBG112758  Lasthenia microglossa D. Keil, K. Keil 1993-4-1 San Luis Obispo E of Santa Margarita along St Hwy 58 at jct with La Panza Rd Comment
  UC1979378  Lasthenia microglossa David Keil 1998-4-28 26934 San Luis Obispo Los Padres National Forest. Just north of Cuyama River on hills near Rock Front Ranch. ORV trailhead. Comment
  UCD147331  Lasthenia minor Diana Hickson; R. Boul, MJ Colletti 2010-4-6 CARR 1222 San Luis Obispo San Luis Obispo County: Carrizo Plains National Monument, Temblor Range. 687 Comment
  UC57470  Lathyrus jepsonii var. californicus J. H. Barber 1899-5-6 San Luis Obispo Paso Robles Comment
  OBI79526  Lathyrus latifolius David J. Keil 2012-7-14 31406 San Luis Obispo South Higuera Street, just south of San Luis Obispo city limits, just north of Octagon Barn. Tributary of San Luis Creek alongside road. 30 Comment
  UCD106479  Lathyrus vestitus G. F. Hrusa 1995-5-28 12213 San Luis Obispo San Luis Obispo County: Black Butte Research Natural Area. 600 Comment
  UCD106490  Lathyrus vestitus P. B. Kennedy 1929-4-12 s.n. San Luis Obispo San Luis Obispo County: Morro Bay to Ataseadero mountain road. Comment
  OBI17693  Lathyrus vestitus var. vestitus Dave Imper 1977-3-21 88 San Luis Obispo Price Cyn Tarsands Project. 1 mi SW of hwy 227 on Price cyn Rd 76 Comment
  UCR161302  Lathyrus vestitus var. vestitus George K. Helmkamp, E. A. Helmkamp 2005-3-9 9103 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive 186 Comment
  OBI78115  Lathyrus vestitus var. vestitus Steven A. Junak 1990-5-1 4306 San Luis Obispo Cuesta Ridge Botanical Area, Los Padres Natl Forest. Santa Lucia Mts: near N edge of Cuesta Ridge Botanical area, along powerline access rd about 0.75 mi E of W Cuesta Ridge Rd (USFS Rd #29S11.3), about 0.2 mi E of second high voltage tower E of W Cuesta Ridge Rd 561 Comment
  UC1583763  Lavatera cretica David Keil 1984-7-20 18315 San Luis Obispo along Highway 1 just n Santa Maria River; just n of Santa Maria River Comment
  UC1872928  Layia gaillardioides David Keil, V. L. Holland 2001-3-29 29236 San Luis Obispo Santa Lucia Mountains. Santa Rita Road, ca. 4.4 road mi E from jct with Old Creek Road. Comment
  CAS-BOT-BC321653  Layia glandulosa David D. Keck; J. Clausen 1935-4-9 3094 San Luis Obispo Cholame 457 Comment
  UC2027134  Layia glandulosa Greg Wilvert 2005-4-2 110 San Luis Obispo Southeast Half of Caliente Range: 4 km W of Caliente Mountain Comment
  CAS-BOT-BC321648  Layia glandulosa Ernest C. Twisselmann 1969-4-14 15111 San Luis Obispo La Panza Range. Shell Creek. 419 Comment
  JEPS54369  Layia glandulosa Ernest C. Twisselmann 1967-5-8 13014 San Luis Obispo La Panza Range, Shandon 472 Comment
  JEPS7494  Layia glandulosa G. Thomas Robbins and Rimo Bacigalupi 1952-4-20 3456 San Luis Obispo just e of lowest point in Carrizo Plain (ca. 8 mi se of Soda Lake) 594 Comment
  OBI15849  Layia glandulosa Robert F. Hoover 1947-3-23 6729 San Luis Obispo Fernandez Crk, near N base of La Panza Range Comment
  POM180544  Layia glandulosa subsp. glandulosa Roxana S. Ferris 1929-4-15 7620 San Luis Obispo Between Guadalupe and Callender. Comment
  CAS-BOT-BC327194  Layia hieracioides R. F. Hoover 1947-4-25 7071 San Luis Obispo Black Lake (S of Arroyo Grande) Comment
  CAS-BOT-BC327195  Layia hieracioides R. F. Hoover 1949-5-12 7666 San Luis Obispo Between Mt. Bishop and Cerro Romauldo Comment
  CAS-BOT-BC327277  Layia hieracioides David D. Keck; Wm. M. Hiesey 1940-5-30 5107 San Luis Obispo Nipomo Mesa near Black Lake, 4.8 mi S of Arroyo Grande on road to Oso Flaco. Comment
  UC1069746  Layia jonesii H. C. Lee 1936-3-23 528 San Luis Obispo 3/4 mi se Mine Hill; Arroyo Grande Quad. Comment
  OBI48738  Layia jonesii Malcolm G. McLeod 1984-4-4 1384 San Luis Obispo Along Cypress Mtn Rd 0.4 mi from Santa Rita Crk rd Comment
  OBI80552  Layia munzii D. H. Wilken, E. Painter 2011-4-20 17941 San Luis Obispo Simmler Rd. 0.7 km NNE of jct with Soda Lake Rd, E side of S arm of Soda Lake, Carrizo Plain Nat Monument. 582 Comment
  OBI64441  Layia munzii David J. Keil, with Kathleen A. Keil 2005-3-5 30339 San Luis Obispo Carrizo Plain north of Soda Lake. Vicinity of junction of Belmont Trail and Clarksburg Road 594 Comment
  UC524098  Layia munzii Ira L. Wiggins 1932-3-20 5784 San Luis Obispo in immediate vicinity Cholame Comment
  UCD135694  Layia munzii Bruce G. Baldwin 1986-3-31 571 San Luis Obispo San Luis Obispo County: California Valley, ca. 0.5 mile south of California Valley fire station. Comment
  CAS-BOT-BC26052  Layia pentachaeta subsp. albida David D. Keck; J. Clausen 1935-4-9 3106 San Luis Obispo summit of Polonio Pass, 5 miles E. of Cholame, on road to Lost Hills 579 Comment
  CAS-BOT-BC385621  Layia platyglossa R. F. Hoover 1967-5-13 10569 San Luis Obispo Coast west of Cambria Comment
  OBI72366  Layia platyglossa Anthony Baniaga 2010-3-14 47 San Luis Obispo Tank Farm rd, about 0.5 mi E of intersection with S Higuera St 42 Comment
  OBI72811  Layia platyglossa Michael Walgren 2010-4-7 113 San Luis Obispo San Simeon State Park on W side of hwy 1, approx .67 mi S of Arroyo Hondo and 1.05 mi N of Arroyo de los Chinos Comment
  UC1069777  Layia platyglossa C. A. Graham 1939-4-14 518 San Luis Obispo 1 1/2 mi n Pine Canyon Guard Station; Branch Mt. Quad. Comment
  CAS-BOT-BC382118  Layia platyglossa W. R. Dudley 1926-5-5 s.n. San Luis Obispo Burnett Creek Comment
  CAS-BOT-BC385858  Layia platyglossa R. W. Summers 1888-5-1 s.n. San Luis Obispo San Luis Obispo County Comment
  RSA530119  Lembertia congdonii D. W. Taylor, G. Clifton 1988-3-12 9385 San Luis Obispo North base of hills 2 miles NE of Wells Ranch. 701 Comment
  UCSB71814  Lemna gibba Ferren, Wayne; Fiedler, P.; Leidy, R. 1993-7-8 San Luis Obispo Pico Creek, San Simeon. Floating in pond just inland from estuary of Pico Creek. Comment
  OBI82528  Lemna minor David J. Keil 2015-7-8 33313 -1 San Luis Obispo Atascadero Creek north of El Camino Real bridge and east of road 280 Comment
  OBI39993  Lemna minuta David J. Keil, Eric Wise 1982-7-2 16308 San Luis Obispo Nipomo Mesa area W of Pomeroy Rd along Black Lake Cyn Trl Comment
  SD115791  Lemna valdiviana Wayne P. Armstrong 1984-6-16 ZT 7546 San Luis Obispo Oso Flaco Lake. 4 Comment
  CAS-BOT-BC221508  Lepechinia calycina Alice Eastwood; John Thomas Howell 1938-6-14 5936 San Luis Obispo Prefumo Canyon Comment
  UC52336  Lepechinia calycina Mrs. R. W. Summers 1882-6-8 665 San Luis Obispo Santa Margarita Hills Comment
  UCSB26503  Lepechinia calycina Ketcham, A. 1968-4-7 San Luis Obispo On a ridge between Bald Knob and Saddle Peak, San Luis Range Comment
  CAS-BOT-BC89013  Lepidium dictyotum Ernest C. Twisselmann 1955-4-26 1904 San Luis Obispo Temblor Range and the Western San Joaquin Valley. South end of Soda Lake, Carissa Plains. 609 Comment
  CDA11384  Lepidium dictyotum var. acutidens G. F. Hrusa 1995-4-15 12104 San Luis Obispo Carrizo Plain; Carrizo Plain, S end of Soda Lake. Comment
  OBI15005  Lepidium jaredii Robert F. Hoover 1967-3-22 10261 San Luis Obispo Carrizo plain S of Soda lake Comment
  OBI28789  Lepidium jaredii Melissa Luckow, With CNPS 1981-4-18 672 San Luis Obispo Just N of Soda Lake Comment
  UCR132051  Lepidium latifolium George K. Helmkamp 2003-7-31 8068 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  OBI57200  Lepidium latifolium David J. Keil 1998-9-4 28081 San Luis Obispo Santa Margarita. 305 Comment
  CAS-BOT-BC12566  Lepidium nitidum Alice Eastwood; John Thomas Howell 1935-3-25 2010 San Luis Obispo Cholame. Comment
  CDA16834  Lepidium nitidum G. F. Hrusa, L. Saslaw 2001-4-12 15771 San Luis Obispo Carrizo Plain; Panorama Rd. +- 1/2 mi. E of entrance to Washburn Administrative Site (Washburn ranch). Comment
  OBI15000  Lepidium nitidum Robert F. Hoover 1966-3-30 9763 San Luis Obispo W side of Soda Lake, Carrizo Plain Comment
  SBBG94123  Lepidium nitidum S. A. Junak 1990-4-17 4167 San Luis Obispo just N of USFS Rd 29S11.3, ca. 0.1 mi W of W boundary of Cuesta Ridge Botanical Area, 5.3 mi W of US Hwy 101 783 Comment
  CAS-BOT-BC12583  Lepidium nitidum Ira L. Wiggins 1932-3-21 5824 San Luis Obispo Ridge on northeast edge of Carisa Plain on road to Bitterwater Valley. Comment
  RSA560970  Lepidium nitidum var. nitidum D. Charlton, R. McCormick 1991-4-28 5039 San Luis Obispo Hwy 58, Carrizo Plains, northeast of Soda Lake. 823 Comment
  CAS-BOT-BC12708  Lepidium oblongum J. W. Congdon 1894-3-28 s.n. San Luis Obispo Near Farmington. Comment
  OBI64571  Lepidium pinnatifidum David J. Keil 2001-4-10 29287 San Luis Obispo Campus of California Polytechnic State University. Grounds of new sports complex Comment
  OBI15021  Lepidium pinnatifidum Robert F. Hoover 1947-8-2 7347 San Luis Obispo Near Small Twin Lake S of Arroyo Grande Comment
  OBI57205  Lepidium strictum David J. Keil 1998-4-20 26825 San Luis Obispo NW of Paso Robles along Nacimiento Lake Drive, 0.1 miles E of junction with San Marcos Rd. Comment
  UCR161906  Leptodactylon californicum George K. Helmkamp, E. A. Helmkamp 2005-3-1 8981 San Luis Obispo South Outer Coast Ranges, Santa Lucia Range NE of Lake Lopez; 0.3 mi. N of Hi Mountain Road along Upper Lopez Canyon Road 311 Comment
  SEINET5451634 Image available Leptodactylon californicum J. Stuart Lassetter 1971-4-15 1820 San Luis Obispo San Luis Obispo Co.- prevalent on dry rocky roadsides- road to Pozo Mtn. Lookout Tower- about 2 mi up from main road through town of Pozo. Los Padres National Forest. Comment
  UC908540  Leptodactylon californicum Herbert L. Mason 1935-5-25 8318 San Luis Obispo Cuyama River n Santa Maria; Cuyama River Comment
  UC1280744  Leptodactylon pungens H. E. McMinn 1938-6-26 5224 San Luis Obispo Pozo Mountains; Los Padres National Forest, Pozo Mountains Comment
  POM203690  Leptosiphon androsaceus I. L. Wiggins 1932-3-24 5839 San Luis Obispo Roadsides and hills near Adelaide, W. of Paso Robles. Comment
  OBI69806  Leptosiphon liniflorus D. R. Miller 1993-5-15 593 -10 San Luis Obispo Pine Mt Region. On Tobacco Ridge Rd just above Cline Cabin 549 Comment
  RSA344394  Leptosiphon liniflorus C. F. Smith 1950-5-4 2773 San Luis Obispo Off Creston-Simmler Road one-quarter mile north of Fernandez Creek crossing. Comment
  SEINET14168184  Leptosiphon liniflorus R. W. Summers 1884-5-26 s. n. San Luis Obispo La Paura Comment
  OBI25049  Leptosiphon parviflorus David Keil, Dirk Walters 1980-4-26 13862 San Luis Obispo Along Town Creek near Lime Mountain Mine, west of Paso Robles Comment
  SBBG107496  Leptosiphon parviflorus C. B. Hardham 1959-4-3 4174 San Luis Obispo hills N of Nacimiento Dam Comment
  OBI80344  Leptosiphon parviflorus David J. Keil, with Melissa Luckow, R. R. Pimentel, R. A. Pimentel, L. Seek, et al. 1982-5-9 16065 San Luis Obispo Road to top of Cypress Mtn. from Warrens' cabin Comment
  UCSB13301  Leptosyne calliopsidea Blattau, Jim 1962-4-18 San Luis Obispo Along roadside of Highway 166-399, 13.2 miles south of Maricopa 838 Comment
  UCR134376  Lessingia filaginifolia var. filaginifolia George K. Helmkamp 2003-9-26 8172 San Luis Obispo Central Coast, SW edge of Oceano; border of sand dune recreation area 6 Comment
  CAS-BOT-BC339440  Lessingia glandulifera var. glandulifera R. F. Hoover 1965-9-19 9615 San Luis Obispo La Panza district 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
  UC1287445  Lessingia pectinata var. tenuipes Willard Spence 1960-8-21 562 San Luis Obispo Parkhill Road 0.6 mi e Santa Margarita Forest Station Comment
  OBI15761  Lessingia tenuis Robert F. Hoover 1969-6-3 11360 San Luis Obispo La Panza rd (hwy 58) just W of Shell Crk Comment
  SBBG109431  Lessingia tenuis C. B. Hardham 1962-6-22 10347 San Luis Obispo Nacimiento River, W of Cantinas Crk Comment
  UC1153381  Leymus X multiflorus R. F. Hoover 1948-6-29 7551 San Luis Obispo Tar Springs Creek Comment
  SBBG124972  Limnanthes douglasii subsp. nivea C. B. Hardham 1956-5-2 616 San Luis Obispo near Atascadero Crk, Atascadero Comment
  OBI22963  Limonium californicum Richard Teague 1979-11-10 19 San Luis Obispo Morro Bay 0 Comment
  CAS-BOT-BC444008  Linanthus James L. Reveal; Clare B. Hardham 1988-5-26 6918 San Luis Obispo La Panza Range, Los Padres National Forest, northwest of Black Mountain in an open meadow-like area along U.S. Forest Service Road 15E01 southwest of Wilson Corner, about 11.5 air miles east-northeast Santa Margarita 594 Comment
  CAS-BOT-BC226837  Linanthus californicus Mary E. Wall 1933-4-20 s.n. San Luis Obispo Santa Margarita, Eldorado [El Dorado] School Comment
  UCD118523  Linanthus californicus S. P. Lynch 1974-4-21 456 San Luis Obispo San Luis Obispo County: Highway 58, ca. 3.7 miles NE of Sta Margarita at bridge over Salinas River. Comment
  OBI33636  Linanthus californicus subsp. tomentosus Robert J. Rodin 1972-3-29 8613 San Luis Obispo Just S of Oso Flaco in the Nipomo Dunes Comment
  SBBG107502  Linanthus parryae C. B. Hardham 1960-4-29 5548 San Luis Obispo Atascadero, on Arena and San Benito Streets Comment
  JEPS108378  Linanthus pygmaeus subsp. continentalis David Gowen 2005-4-17 255 San Luis Obispo Roadside on Hwy 58, ca 0.5 mile west of Shell Creek Rd. in sandy soil. Comment
  UCR122503  Linaria canadensis George K. Helmkamp, E. A. Helmkamp 2001-5-2 6613 San Luis Obispo South Coast Range, La Panza Range, Calf Canyon, CA Hwy 58, 4.5 mi east of Santa Margarita 335 Comment
  CDA6319  Linaria maroccana G. D. Barbe 1974-5-18 1800 San Luis Obispo Frontage road south of Teft Street, Nipomo. 0 Comment
  OBI33088  Linum bienne David J. Keil 1983-4-23 16942 San Luis Obispo Vicinity of Arroyo de la Cruz. N of the Arroyo and W of hwy 1 Comment
  CAS-BOT-BC110594  Lithophragma Ira L. Wiggins 1929-5-21 3697 San Luis Obispo Atascadero Creek Canyon 3 miles above Atascadero. Comment
  CAS-BOT-BC430578  Lithophragma affine R. F. Hoover 1947-3-26 6738 San Luis Obispo Just south of Price Canyon in burned over area. Comment
  OBI34294  Lithophragma cymbalaria David J. Keil, V. L. Holland, C. D. Hynes, R. Gambs, and M. Borchard 1982-3-24 15779 San Luis Obispo Vicinity of American Cyn in the La Panza Mts Comment
  SD67304  Lithophragma cymbalaria Darley F. Howe 1967-4-7 4329 San Luis Obispo 3.5 miles north of Pozo 548 Comment
  SBBG107982  Lithophragma heterophyllum C. B. Hardham 1956-4-13 393 San Luis Obispo Santa Rita Cyn Comment
  CAS-BOT-BC435663  Lithophragma heterophyllum Clare B. Hardham 1936-3-24 256 San Luis Obispo Paradise Valley, Atascadero Comment
  OBI4253  Lobularia maritima Pamela Stash 1972-5-31 3 San Luis Obispo Found along roadsides Comment
  OBI57316  Loeflingia squarrosa David J. Keil 1998-4-28 26965 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
  OBI49096  Logfia filaginoides David J. Keil, Melissa Luckow, Richard A. Pimentel, and Rhonda Riggins-Pimentel 1982-3-13 15711 San Luis Obispo Pennington Crk Bio Reserve, W of San Luis Obispo Comment
  OBI49639  Logfia filaginoides David J. Keil 1989-6-3 21225 San Luis Obispo Between Atascadero and Morro Bay along Calif hwy 41; 0.4 mi S of hwy at Cerro Alto Campground Comment
  OBI55315  Logfia filaginoides David J. Keil 1998-4-14 26726 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
  SBBG12040  Logfia filaginoides C. B. Hardham 1961-4-17 6832 San Luis Obispo Pine Mtn, N of Cambria Comment
  UC76847  Lolium temulentum J. Burtt Davy 1901-5-31 7568 San Luis Obispo Templeton Comment
  SBBG107661  Lomatium C. B. Hardham 1956-4-18 446 San Luis Obispo Chimney Rock area Comment
  UCR160904  Lomatium Don Pendleton 1992-3-15 92- 14 San Luis Obispo E side of Atascadero, adjacent to railroad tracks on N-S trending ridge west of Salinas River, behind private residence at 7103 Sycamore Road. 366 Comment
  OBI72102  Lomatium caruifolium Michael Walgren 2008-3-3 107 San Luis Obispo San Simeon State Park, between Little Pico Crk and San Simeon Point, SE of Broken Bridge Crk and S of hwy 1 Comment
  SEINET7879185 Image available Lomatium dasycarpum C. M. Belshaw 1936-1 1668 San Luis Obispo 2.5 miles WNW Tar Spring Ranch Sec. - T.32 S., R.14E. Comment
  CAS-BOT-BC218447  Lomatium parvifolium Marcus E. Jones 1882-5-5 3226 San Luis Obispo Road to Atascadero 6 miles east of Moro Bay Comment
  OBI31668  Lomatium utriculatum Smeltzer, Turnquist 1982-5-7 119 San Luis Obispo Northeast side of Laguna Lake Park Comment
  RSA302191  Lomatium vaginatum Jim Shevock 1971-4-5 879 San Luis Obispo Temblor Range 549 Comment
  OBI19836  Lonicera hispidula Robert F. Hoover 1950-6-20 7984 San Luis Obispo Santa Lucia Range; 6 mi W of Templeton on road to Cambria Comment
  OBI27004  Lonicera hispidula var. vacillans James Courtney 1980-12-20 21 San Luis Obispo Pennington Crk Biological Reserve Comment
  OBI40774  Lonicera hispidula var. vacillans David J. Keil 1985-5-4 18739 San Luis Obispo Southern end of Morro Bay around Sweet Springs marsh Comment
  UC455868  Lonicera hispidula var. vacillans E. P. Unangst 1906-1 San Luis Obispo Perfumo Canyon Comment
  CAS-BOT-BC234942  Lonicera subspicata var. denudata Roxana S. Ferris 1939-5-29 9762 San Luis Obispo Hills about 4 miles south-east of Templeton 304 Comment
  RSA19577  Lotus benthamii E. C. Twisselmann 1967-4-27 12932 San Luis Obispo Ragged Point, Santa Lucia Range. 61 Comment
  SFV20429  Lotus formosissimus A. Dittmer, R. Provin 2004-4-5 36 San Luis Obispo Cambria. Unnamed foot trail that begins just outside Cambria cemetary (at the end of Bridge Street). 0.25 miles down trail (take the first fork in the trail to the left). 98 Comment
  UC454691  Lotus formosissimus Mrs. Hillard 1910-5-20 San Luis Obispo Cambria Comment
  UC1561365  Lotus formosissimus Barbara Ertter, D. Keil, J. Hickman, T. Sholars, et al. 1987-4-11 6845 San Luis Obispo ca 7 air mi n San Simeon (2-3 mi mi from Hwy 1, on Hearst Ranch); Arroyo de la Cruz 91 Comment
  JEPS99240  Lotus grandiflorus Clare B. Hardham 1959-5-15 4543 San Luis Obispo Hanging Valley, Arroyo Seco Road Santa Lucia Mountains Comment
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Aug 16 2014
  POM18654  Lotus humistratus J. H. Barber 1899-4-9 7481 San Luis Obispo Paso Robles Comment
  UC57459  Lotus micranthus J. H. Barber 1900-3-30 1024 San Luis Obispo Paso Robles Santa Lucia Mts. Comment
  JEPS97642  Lotus salsuginosus var. salsuginosus Annetta M. Carter, Ethel Crum, Dwight Crum 1940-4-7 1509 San Luis Obispo Palo Prieta Canyon. 3.3 mi. SE of Cholame. N end of Temblor Range. 457 Comment
  POM27258  Lotus scoparius Marcus E. Jones 1882-5-8 3244 San Luis Obispo San Luis Obispo. Comment
  POM27005  Lotus wrangelianus Marcus E. Jones 1903-5-6 s.n. San Luis Obispo [No location data on label] Comment
  OBI59065  Lunaria annua Cecilia Boudreau 2001-5-23 23 San Luis Obispo Montana de Oro State Park. Coon Crk trl 30 Comment
  OBI19263  Lupinus albifrons F. Rush June1956 85 San Luis Obispo Mt. SLO Comment
  UC1129270  Lupinus albifrons R. St. John 1932-3-21 276 San Luis Obispo Old Canyon; La Panza Quad., Old Canyon Comment
  UCD105987  Lupinus albifrons P. B. Kennedy 1929-4-19 s.n. San Luis Obispo San Luis Obispo County: 7.7 miles from Morro, on Morro to Atascadero Road. Comment
  CAS-BOT-BC201598  Lupinus albifrons var. albifrons Ynez Whilton Winblad 1937-6-16 s.n. San Luis Obispo Between Atascadero and Morro Comment
  OBI82303  Lupinus albifrons var. albifrons D. R. Miller 2016-3-9 316 .1140 San Luis Obispo On Cole Ranch, along Horse Spring Trail, Marmolejo Creek drainage. 777 Comment
  SBBG17715  Lupinus albifrons var. collinus R. F. Hoover 1947-3-29 6773 San Luis Obispo Atascadero Comment
  CAS-BOT-BC196039  Lupinus albifrons var. collinus Ralph N. Philbrick 1965-1-29 B 6562 San Luis Obispo Serrano Canyon, north bank of Stenner Creek, 1.3 miles east of highway Comment
  OBI29023  Lupinus arboreus Melissa Luckow 1981-6-25 707 San Luis Obispo Just N of SAn Simeon Beach Comment
  UC1129352  Lupinus arboreus N. K. Carlson 1936-3-19 170 San Luis Obispo 0.9 mi se Callender; Arroyo Grande Quad. 45 Comment
  UCR8314  Lupinus arboreus B. Freeman 1968-8-11 s.n. San Luis Obispo 1 mi N of Oceano on Calif. Route 1; vacant lot just south of a crossroad, beside a railroad track running parallel to Route 1 4 Comment
  OBI12947  Lupinus benthamii Robert F. Hoover 1949-4-12 7598 San Luis Obispo Cuyama Cyn 12 mi below Gypsum Cyn hwy bridge, N side of river Comment
  JEPS105166  Lupinus bicolor Dean W. Taylor 1995-4-6 14782 San Luis Obispo Cholame Valley (ca. 1 mile E of Cholame); Davis Road 0.45 mi S of jct of Hwy 41 350 Comment
  OBI31145  Lupinus bicolor Julie M. Vanderwier 1979-5-5 13 San Luis Obispo Indian Knob Tar Sands Comment
  OBI32638  Lupinus bicolor David J. Keil 1982-5-2 15913 San Luis Obispo Ca. 1 mi W of jctn of Huerhuero Rd with Calif Rte 58 and S on dirt rd Comment
  OBI83277  Lupinus bicolor Rhonda Riggins 1987-4-12 1549 San Luis Obispo Hi Mountain Trail 0.4 mi W campground, 1.0 mi W jsct. Hi Mountain Road to Pozo. Comment
  RSA98327  Lupinus bicolor Rimo Bacigalupi 1949-4-8 3079 San Luis Obispo Cambria Pines, Hill between Cambria and ocean. Comment
  SBBG46749  Lupinus bicolor C. B. Hardham 1962-4-8 10602 San Luis Obispo W edge of Chimney Rock Ranch, North Rd to Adelaida Comment
  SEINET269518  Lupinus bicolor G. Helmkamp 1994-5-18 91 -20 San Luis Obispo Alamo Canyon 7 miles east of US 101 on CA 166 then 4 miles north (generally northeast of Twitchell reservoir) 213 Comment
  RSA15697  Lupinus bicolor subsp. microphyllus Carl B. Wolf 1929-4-13 3443 San Luis Obispo 3 miles S of Paso Robles. 213 Comment
  OBI52725  Lupinus cervinus D. R. Miller 1991-5-31 915 -T San Luis Obispo E slope of Pine Mt 914 Comment
  RSA0060562  Lupinus chamissonis Daisie Huang 2006-3-19 06031910 San Luis Obispo Vacant lot at 101 and Santa Maria Rd. 101 Comment
  SD39046  Lupinus chamissonis Edith A. Purer 1932-8-1 4701 San Luis Obispo Morro Bay Comment
  SEINET6744708 Image available Lupinus chamissonis var. longifolius Marcus E. Jones 1882-1 3236 San Luis Obispo San Luis Obispo Comment
  OBI60112  Lupinus concinnus G. F. Hrusa 1995-4-15 12083 San Luis Obispo La Panza Range. Approx 1 mi S of Queen Bee Camp, 1 mi S of la Panza summit on La Panza Rd 750 Comment
  RSA0040390  Lupinus concinnus LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-29 6305 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
  OBI75479  Lupinus concinnus Jenner Whitt 2003-4-3 7 San Luis Obispo Burn on Hwy 58 1 mi E of jctn 229. Area burned in JUl 2002 400 Comment
  OBI31140  Lupinus hirsutissimus Julie M. Vanderwier 1979-5-11 17 San Luis Obispo Indian Knob Tar Sands Comment
  UC55327  Lupinus latifolius var. latifolius J. H. Barber 1899-5-7 San Luis Obispo Santa Lucia Mts. Comment
  UCR227375  Lupinus ludovicianus Daisie Huang 2007-4-17 70417- 01 San Luis Obispo Along Hi Mountain Road 193 Comment
  CAS-BOT-BC207226  Lupinus ludovicianus Mary E. Wall 1933-5-1 s.n. San Luis Obispo Santa Margarita, El Dorado School Comment
  CAS-BOT-BC207235  Lupinus ludovicianus Charles Piper Smith 1933-6-28 4820 San Luis Obispo Saucelito Canyon, Upper Arroyo Grande Valley Comment
  UCR3691  Lupinus microcarpus Frank C. Vasek 1962-5-17 620517- 01 San Luis Obispo Central Coast, Road from Atascadero to Morro Bay, 3.3 miles from the Los Padres National Forest boundary 185 Comment
  OBI48396  Lupinus microcarpus var. densiflorus Rhonda Riggins 1978-5-7 1147 San Luis Obispo Roadside Pozo Rd 0.3 mi E Hwy 58 E of Santa Margarita Comment
  RSA659201  Lupinus microcarpus var. densiflorus R. Riggins 1982-4-24 1359 San Luis Obispo Mt. Hamilton Rd. 7.5 mi E jct. Alum Rock Rd., 2.7 mi W Smith Creek Boys Ranch. Comment
  SBBG114038  Lupinus microcarpus var. densiflorus R. Riggins 1978-5-6 1151 San Luis Obispo Hi Mtn Rd, 8.8 mi NE Lopez Lake Rd Comment
  UC1315054  Lupinus microcarpus var. horizontalis R. F. Hoover 1967-3-27 10299 San Luis Obispo Chalk Mt. , Chalk Mt. (Cuyama Valley) Comment
  OBI56807  Lupinus microcarpus var. horizontalis Rhonda Riggins 1978-4-28 1138 San Luis Obispo Head of Crocker Cyn, Hurricane Rd, 0.9 mi NE jct with Co. Rd 285. W side of Temblor Range Comment
  SBBG32877  Lupinus microcarpus var. microcarpus L. E. Allen 1967-4-13 San Luis Obispo N of Paso Robles near jct of Hwys 41 and 466 [46 and US 101} Comment
  UC1285113  Lupinus microcarpus var. microcarpus R. F. Hoover 1952-5-24 8206 San Luis Obispo near w end Caliente Mt. (head of Morales Canyon); near w end Caliente Mt., head of Morales Canyon Comment
  JEPS108057  Lupinus microcarpus var. microcarpus Rhonda Riggins 1979-5-6 1172 San Luis Obispo USFS road 2.1 mi E Los Machos Creek, Branch Mountain, La Panza Range. Comment
  OBI12826  Lupinus microcarpus var. microcarpus Robert F. Hoover 1952-4-10 8105 San Luis Obispo La Panza district, just W of San juan river Comment
  OBI12833  Lupinus microcarpus var. microcarpus Robert F. Hoover 1952-5-6 8150 San Luis Obispo E of Atascadero on Creston rd, just E of pump station Comment
  OBI12836  Lupinus microcarpus var. microcarpus Robert F. Hoover 1966-4-2 9800 San Luis Obispo La Panza district, just W of San juan river Comment
  OBI48429  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
  OBI48439  Lupinus microcarpus var. microcarpus Rhonda Riggins 1979-4-15 1152 San Luis Obispo Klau Mine Rd. just E jct with Cypress Mtn Rd Comment
  SBBG110255  Lupinus nanus C. B. Hardham 1962-4-16 8991 San Luis Obispo Pozo, Hi Mtn Comment
  RSA431073  Lupinus nanus subsp. nanus Dunn, Brown 1946-5-12 2297 San Luis Obispo Atascadero Comment
  SEINET10838288  Lupinus ruber Hoover 1966-3-30 HOOVER 9783 San Luis Obispo First large canyon n of crocker grade, w side of temblor range. Flowers Purple. See notes with 9782 (l. Horizontalis). Comment
  RSA140475  Lupinus subvexus var. subvexus Clare B. Hardham 1960-4-30 5555 San Luis Obispo Peachy Canyon Comment
  OBI12823  Lupinus succulentus B. W. & T. W., T. W. 1967-3-25 s.n. San Luis Obispo Perfumo Cyn Comment
  OBI28566  Lupinus succulentus John Jackman & Julie Truesdale, Julie Truesdale 1980-1 45 San Luis Obispo MacGillivary Ranch, Adelaida. Near Adelaida rd Comment
  SBBG34936  Lupinus succulentus Mrs. R. W. Summers 1882-3-30 San Luis Obispo San Luis Valley Comment
  SBBG17711  Lupinus truncatus D. Emery 1950-4-21 San Luis Obispo Blue Gum Eucalyptus grove 0.5 mi W of Nipomo Comment
  UC16028  Lupinus truncatus Alice King Apr. 1895 San Luis Obispo Arroyo Grande Comment
  UCR115564  Lupinus truncatus George K. Helmkamp, E. A. Helmkamp 2000-4-20 5391 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR161927  Lupinus truncatus George K. Helmkamp, E. A. Helmkamp 2005-3-1 9002 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
  UC454942  Lupinus truncatus I. J. Condit 1908-2-29 San Luis Obispo s slope School Ridge (California Polytechnic School); , s slope School Ridge Comment
  OBI21184  Luzula subsessilis R. F. Hoover 1947-3-1 6633 San Luis Obispo Cambria, Cambria Comment
  OBI8436  Lyonothamnus floribundus subsp. aspleniifolius David J. Keil 1977-7-3 12473 San Luis Obispo Campus of Cal Poly State Univ, San Luis Obispo Comment
  OBI70790  Lythrum californicum David J. Keil 2009-6-30 30627 San Luis Obispo San Luis Obispo outskirts. Froom Ranch off Calle Joaquin west of Los Osos Valley Road. 35 deg. 14.68'N x 120 deg. 41.33'W 55 Comment
  UC420700  Lythrum californicum J. E. Roadhouse 155 San Luis Obispo near San Luis Obispo Comment
  OBI25758  Madia elegans David J. Keil 1980-9-16 14197 San Luis Obispo Calf Cyn along hwy 58 ca 0.5 mi W of jctn with hwy 229 Comment
  POM280689  Madia elegans subsp. elegans Henry J. Ramsey, Henry J. Ramsey 1940-4-20 s.n. San Luis Obispo Cholame Comment
  OBI42284  Madia gracilis David J. Keil, V. L. Holland 1986-5-26 19576 San Luis Obispo Oak Shores Development on n shore of Nacimiento Lake Comment
  CAS-BOT-BC343317  Madia gracilis Clare B. Hardham 1956-5-6 622 San Luis Obispo Santa Lucia Mountains. Near Hill Lop [?] Ranch, Adelaida Road Comment
  RSA605847  Madia gracilis R. S. Woglum 1937-5-15 1718 San Luis Obispo Outer South Coast Ranges: Paso Robles to Cayucos; Santa Lucia Range. Comment
  SBBG18163  Madia radiata C. B. Hardham 1962-4-14 8977 San Luis Obispo Pinole Hills, head of Bitterwater Cyn Comment
Read comments
Aug 21 2017
  UC1872949  Madia radiata David Keil 2001-5-10 29447 San Luis Obispo Bittersweet Road, ca. 10 mi N of Hwy 58. 670 Comment
  JEPS29340  Madia radiata Rimo Bacigalupi, and L. Heckard 1962-3-27 8436 San Luis Obispo 2.0 mi ne junction of State Highway 41 and U. S. Highway 466 (s of State Highway 41, 4.1 mi w of Kern County line) 365 Comment
  CAS-BOT-BC345101  Madia sativa H. M. Hall 1931-6-8 13146 San Luis Obispo San Simeon Bay Comment
  CAS-BOT-BC345098  Madia sativa Bruce G. Baldwin 1986-7-6 612 San Luis Obispo Cambria, 0.4 mile north of junction with California State Highway 1 along Main Street Comment
  RSA130932  Madia sativa E. K. Balls 1958-7-16 23543 San Luis Obispo 0.5 mile north of Cambria, State Highway 1, along cliffs. 15 Comment
  SBBG19282  Maianthemum racemosum D. Emery 1950-4-25 San Luis Obispo See Cyn, S of San Luis Obispo Comment
  RSA43141  Maianthemum stellatum Robert F. Hoover 1947-3-16 6680 San Luis Obispo San Luis Obispo County: San Carpoforo Creek, near ocean Comment
  RSA786588  Malacothamnus jonesii Mark A. Elvin, Vern Yadon 1996-8-11 348 San Luis Obispo Santa Lucia Mountains; Interlake Mesa, E of Bee Rock, summit of Interlake Rd., N. side of road on hill. 1.2 miles WSW of jct. of G19 and G14 Naciemento Rd. Comment
  OBI72536  Malacothamnus jonesii E. L. Painter & M. Wetherwax, David J. Keil; K. Downing, C. Bratt, J. Olson 2000-5-16 CR- 62 San Luis Obispo Camp Roberts on N side of Nacimiento River, N of Twin Bridges 160 Comment
  UC1747178  Malacothamnus jonesii E. Painter and E. Neese 1998-6-16 San Luis Obispo Calf Canyon, scattered along Highway 58, from jct. with Highway 229 eastward for ca. 1 mi Comment
  RSA141022  Malacothamnus niveus Clare B. Hardham, C. Butterworth 1960-6-9 6137 San Luis Obispo Cammatta Ranch, Creston-Simmler Road Comment
  UCD116402  Malacothamnus palmeri var. involucratus Clare B. Hardham 1959-5-12 4512 San Luis Obispo San Luis Obispo County: About 4 miles from San Antonio School, San Lucas -- Lockwood Road. Comment
Read comments
Mar 3 2018
  JEPS26416  Malacothamnus palmeri var. palmeri Mrs. R. P. Davis 1931-4-13 San Luis Obispo Cambria Comment
  JEPS35295  Malacothrix californica R. F. Hoover 1948-4-17 7474 San Luis Obispo s of Shandon; San Juan River Comment
  CAS-BOT-BC345350  Malacothrix californica Frank Hatch 1932-4-4 s.n. San Luis Obispo Pala [Palo] Prieta, Bitterwater Valley, eastern San Luis Obispo Co. Comment
  CDA42270  Malacothrix coulteri G. F. Hrusa, M. Pitcairn 2015-4-13 18620 San Luis Obispo Caliente Mts., Pipeline Rd., west side of east end of Carrizo Plain. 917 Comment
  UC1069933  Malacothrix coulteri P. L. Johannsen 1937-4-22 1071 San Luis Obispo 5 mi ne Padrones Springs; McKittrick Quad. 716 Comment
  CAS-BOT-BC347546  Malacothrix floccifera R. F. Hoover 1947-4-4 6893 San Luis Obispo West side of Cottonwood Pass Comment
  OBI25748  Malacothrix floccifera David J. Keil, R. A. Pimentel, Rhonda Riggins-Pimentel, J. K. Hampton, W. Langworthy, and R. Gambs 1980-6-12 14054 San Luis Obispo San Luis range, W of See Cyn Rd. Old mining rd in Hiberd Preserve (owned by the Nature Conservancy) Comment
  UC455515  Malacothrix floccifera I. J. Condit 1908-4-11 San Luis Obispo Summit Cuesta 792 Comment
  UC2027120  Malacothrix glabrata Greg Wilvert 2005-4-1 82 San Luis Obispo Southeast Half of Caliente Range: North edge of range Comment
  OBI4156  Malacothrix incana Julie R. Potter 1969-6-29 59 San Luis Obispo Morro Bay State Park Comment
  OBI6222  Malacothrix incana D. Waive Stager 1972-6-26 3 San Luis Obispo Montana de Oro State Park sand spit [on label as Morro Bay State Park] Comment
  SFV4048  Malacothrix incana E. R. Blakley 1958-9-22 2464 San Luis Obispo 1 mile south of Pismo Beach on old sand dunes. 15 Comment
  OBI64451  Malacothrix saxatilis var. commutata David J. Keil, with Margriet Wetherwax, Beth Painter, Jody Olsen, Kevin Downing, Charis Bratt, and Lynne Dee (Oyler) Althouse 2000-5-16 28699 A San Luis Obispo Camp Roberts; vicinity of Twin Bridges (over Nacimiento River). Comment
  OBI32157  Malva nicaeensis David J. Keil 1981-6-20 14856 San Luis Obispo N of San Simeon along the channel and banks of Arroyo de la Cruz E of hwy 1 Comment
  UC52298  Malva parviflora Mrs. R. W. Summers 1886-7 100 San Luis Obispo San Luis Obispo Comment
  RSA0004202  Malvastrum gracile Alice Eastwood 1927-7-30 14996 San Luis Obispo On road from Arroyo Grande to Huasna. Comment
  SBBG110017  Malvella leprosa C. B. Hardham 1958-6-27 3723 San Luis Obispo Green Valley, near Cambria Comment
  OBI32083  Marah fabacea David J. Keil, Rhonda Riggins, Dirk Walters, Malcolm McLeod, Melissa Luckow, et al 1981-4-11 14325 San Luis Obispo N of San Simeon along ridge Just S of Arroyo de la Cruz Comment
  OBI54460  Marah fabacea Matthew Arterburn 1997-3-14 15 San Luis Obispo 1.3 mi on Red Hills Rd off hwy 58 Comment
  OBI14826  Marah fabacea Robert F. Hoover 1967-3-22 10259 San Luis Obispo Temblor Range E of Soda Lake Comment
  RSA80544  Marah fabacea Roxana S. Ferris, R. Bacigalupi 1951-3-31 12366 San Luis Obispo Near Old Creek Ranch on Old Creek-Santa Rita Canyon Road between Cayucos and Templeton. Comment
  JEPS97106  Marrubium vulgare M. D. Proctor and E. A. Young 1993-4-17 ROB 463 San Luis Obispo pond NW of Chorro Res.; Camp San Luis Obispo Comment
  OBI78847  Marrubium vulgare David J. Keil 2013-8-29 31995 San Luis Obispo Morro Bay State Park. Just north of Los Osos Creek bridge on east side of South Bay Blvd next to bear statue 8 Comment
  RSA585655  Marrubium vulgare F. L. Johnson, E. A. Young 1993-5-23 ROBO 487 San Luis Obispo Boyscout Rd. by Nacimiento River. Comment
  UCD39109  Medicago polymorpha Beecher Crampton 1964-5-18 6980 San Luis Obispo San Luis Obispo County: Santa Margarita. Santa Margarita Creek. Comment
  CAS-BOT-BC271188  Melica Clare B. Hardham 1969-5-28 17194 San Luis Obispo NE slopes of Red Mt., San Simeon Cr. Comment
  OBI59060  Melica californica David J. Keil 1998-4-28 26973 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
  RSA0042483  Melica californica LeRoy Gross, Marcel Beffort, Pam DeVries 2014-5-13 6434 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
  RSA585651  Melica imperfecta F. L. Johnson, E. A. Young 1993-5-26 ROBO 635 San Luis Obispo Whiskey Spring. Comment
  SBBG109259  Melica imperfecta C. B. Hardham 1957-4-27 1775 San Luis Obispo Caliente Mtn, edge of Carissa Plains Comment
  UC1583622  Melica torreyana David Keil with M. A. Corky Matthews, Janet Haden, Suzanne Schettler, Steve Edwards, and Jim Pittman 1988-6-11 20711 San Luis Obispo n San Simeon (along system of ridges and canyons just n of Arroyo de la Cruz) Comment
  CAS-BOT-BC264259  Melica torreyana R. F. Hoover 1947-5-14 7169 San Luis Obispo Steiner Creek (Serrano Canyon) Comment
  CAS-BOT-BC264261  Melica torreyana R. F. Hoover 1964-5-11 8778 San Luis Obispo Road to Hi Mt. from Pozo-Arroyo Grande summit Comment
  OBI19024  Melica torreyana Robert F. Hoover 1947-5-14 7169 San Luis Obispo Steiner Crk ("Serrano Cyn") Comment
  OBI22009  Melica torreyana Robert F. Hoover 1964-5-11 8778 San Luis Obispo Road to Hi Mtn from Pozo-Arroyo Grande summit Comment
  SBBG104725  Melilotus albus M. D. Proctor, E. A. Young 1993-4-17 ROB 470 San Luis Obispo Fort Merriam; Camp San Luis Obispo Comment
  UC16154  Melilotus indicus W. H. Brewer 1861-4-27 482 San Luis Obispo San Luis Obispo Comment
  OBI62515  Melilotus indicus L. D. Oyler 1990-6-12 1152 San Luis Obispo Mobil Oil Property just N of UNOCAL property boundary N of UNOCAL pump #K8. Back dunes. Area just N of UNOCAL property Comment
  UC1285028  Melissa officinalis R. F. Hoover 1960-7-6 8526 San Luis Obispo 4 mi. e. Cambria (Santa Rosa Creek); Santa Rosa Creek Comment
  UC771644  Mentha canadensis R. F. Hoover 1946-8-24 6325 San Luis Obispo near Laguna near San Luis Obispo Comment
  SFV20177  Mentzelia affinis P. M. Schiffman 1993-4-25 s. n. San Luis Obispo Carrizo Plain Carrizo Plain Natural Area. Elkhorn Plain, south-facing hillside near Elkhorn Road, 7.8 miles from intersection with Simmler Road. 800 Comment
  UC1613283  Mentzelia affinis Charles M. Belshaw 1935-3-1 455 San Luis Obispo 3 mi e of Paso Robles (toward Shandon) Comment
  OBI12462  Mentzelia dispersa Robert F. Hoover 1952-5-11 8195 San Luis Obispo Burned area at Navajo Camp. La Panza Range Comment
  PGM6252  Mentzelia gracilenta Beatrice F Howitt 1958-4-8 San Luis Obispo Carissa Plains, Along road from Carrizo Plains Comment
  SBBG95515  Mentzelia micrantha D. Keil 1986-5-13 19431 San Luis Obispo Hi Mtn Rd near Hi Mtn Lookout 944 Comment
  OBI12455  Mentzelia pectinata Robert F. Hoover 1952-4-20 8149 San Luis Obispo Between San Juan river and Carrizo Plain Comment
  OBI53005  Mentzelia pectinata David J. Keil, Kathleen Keil 1995-4-9 24782 San Luis Obispo Shell Crk rd, ca 1/2 mi N of jctn with Calif rte 58 Comment
  SBBG97414  Mentzelia pectinata C. F. Smith 1991-4-9 12182 San Luis Obispo Crocker Grade above Carrizo Plain, Temblor Range Comment
  OBI12450  Mentzelia pectinata Eben McMillan 2005-5-5 103 San Luis Obispo Red Eagle Mine 1 mi E 12 mi S Shandon Comment
  UC1224773  Mentzelia veatchiana R. F. Hoover 1952-5-25 8232 San Luis Obispo Caliente Mt. Comment
  UC57575  Micropus californicus var. californicus J. H. Barber 1899-4-23 San Luis Obispo Paso Robles Comment
  OBI083661  Microseris douglasii subsp. douglasii G Butterworth 2017-4-12 1009 San Luis Obispo Red House Comment
  OBI64829  Microseris douglasii subsp. douglasii David J. Keil, with Michael Curto 2001-5-15 29459 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  POM53394  Microseris douglasii subsp. douglasii R. W. Summers s.n. San Luis Obispo [No further location information.] Comment
  UC639045  Microseris douglasii subsp. douglasii Bernard Miossi 1940-3-20 241 San Luis Obispo 1 mi n San Luis Obispo (300 yds n or San Luis Creek) 68 Comment
  OBI56458  Microseris elegans David J. Keil, with V. L. Holland 1999-4-27 28264 San Luis Obispo Camp Roberts; McMillan Airstrip. Comment
  SBBG118204  Microseris elegans M. Wetherwax, E. Painter, D. Wilken, K. Knight 2003-4-1 SLO 315 San Luis Obispo near Dughi Spring; Camp San Luis Obispo 480 Comment
  OBI31292  Mimetanthe pilosa Joy Nishida, Ginger King 1982-7-2 488 San Luis Obispo American Cyn. 1.4 mi S of campground where stream crosses rd 500 Comment
  CAS-BOT-BC9647  Mimulus androsaceus Robert Francis Hoover 1952-5-11 8186 San Luis Obispo Navajo Creek district, east side of LaPanza Range Comment
  UC1964659  Mimulus aurantiacus Haley Schlageter 2014-5-20 San Luis Obispo Cal Poly Campus Comment
  OBI28333  Mimulus aurantiacus var. aurantiacus Lori Blain 1982-5-20 28 San Luis Obispo Reservoir cyn: along stream parallel to the trl. Found growing in the rocks near the stream app 1/2 mi up the trl Comment
  RSA172236  Mimulus aurantiacus var. aurantiacus Robert F. Thorne, Percy C. Everett 1963-6-12 32251 San Luis Obispo Along roadside on sandy roadbank at Arroyo de la Cruz Creek. Comment
  OBI65942  Mimulus aurantiacus var. aurantiacus Wendy Thackery, Stacey Smith and Paul Corsi 2003-7-9 33 San Luis Obispo Central Coast Comprehensive Wetlands GIS (CCCWGIS) S of Morro Bay on hwy 1. Beyond Gilardi Rd on ranch rd N of hwy 1 138 Comment
  UC1226814  Mimulus aurantiacus var. pubescens P. J. Hurd and Stage 1962-6-9 62 -23 San Luis Obispo 5.1 mi ne Santa Margarita Comment
  JEPS35346  Mimulus grandis R. F. Hoover 1964-8-13 9214 San Luis Obispo San Bernardo Creek Comment
  RSA0024946  Mimulus guttatus Greg Wilvert 2005-4-30 352 San Luis Obispo Padrones Spring. 903 Comment
  RSA131991  Mimulus guttatus Gale Sphon 1959-6-6 357 San Luis Obispo La Panza Campground, Los Padres National Forest. Comment
  RSA447931  Mimulus guttatus Bonnie C. Templeton 1953-5-23 s.n. San Luis Obispo Rinconada Creek, near Santa Margarita. Comment
  OBI57313  Minuartia douglasii David J. Keil 1998-5-13 27253 San Luis Obispo Shell Creek Rd. and Hwy 58, area to N of creek and E of Hwy. Comment
  SBBG1984  Minuartia douglasii C. B. Hardham 1958-5-10 3304 San Luis Obispo Cypress Mtn Comment
  SBBG1992  Minuartia pusilla C. B. Hardham 1960-3-27 5242 San Luis Obispo intersection Oak Flat Rd and N Rd to Adelaida 304 Comment
  OBI70014  Minuartia pusilla David J. Keil, Kathleen Faustini and Chuck & Nancy Warner 1989-4-13 s.n. San Luis Obispo S of Calif Valley and W of Soda Lake rd on ranch managed by the Nature Conservancy Comment
  CAS-BOT-BC434726  Mirabilis laevis var. crassifolia R. F. Hoover 1949-5-1 7644 San Luis Obispo Summit of Cottonwood Pass Comment
  UC11285094  Mirabilis laevis var. crassifolia R. F. Hoover 1949-5-1 7644 San Luis Obispo summit of Cottonwood Pass Comment
  OBI12193  Mirabilis multiflora var. pubescens Robert F. Hoover 1947-5-10 7144 San Luis Obispo East edge of Cuyama Valley near Kern Co line Comment
  UC1124540  Monardella breweri subsp. lanceolata C. A. Graham 1939-5-19 572 San Luis Obispo 1/2 mile E of Tajea Spring, Los Padres National Forest, Branch Mt. Quadrangle Comment
  UCR160130  Monardella breweri subsp. lanceolata George K. Helmkamp, E. A. Helmkamp 2005-6-9 9579 San Luis Obispo Central Coast Ranges, Arroyo Grande to Huasna Road along Arroyo Seco Creek, 8.3 miles northeast of Huasna Townsite Road 332 Comment
  SBBG119412  Monardella palmeri E. Painter, M. Wetherwax 2000-6-13 SLO 149 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 160 Comment
  SEINET10582119  Monardella palmeri A. Graff 1993-7-9 Graff 170 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
  CAS-BOT-BC220192  Monardella sinuata subsp. sinuata R. F. Hoover 1964-6-11 9033 San Luis Obispo Just south of Hazard Canyon Comment
  SBBG110174  Monardella sinuata subsp. sinuata C. B. Hardham 1964-6-27 12070 San Luis Obispo Hazard Cyn Comment
  RSA797957  Monardella undulata E. A. Purer 1931-8-6 2236 San Luis Obispo Oceano. Comment
  UC1284948  Monardella undulata subsp. crispa R. F. Hoover 1947-7-10 7291 San Luis Obispo Short distance north of north edge Santa Maria Valley on Guadalupe-Arroyo Grande road Comment
  CAS-BOT-BC220304  Monardella undulata subsp. undulata Lewis S. Rose 1950-5-13 50126 San Luis Obispo Oso Flaco Lake region Comment
  OBI13615  Monardella undulata subsp. undulata H. E. McMinn 1935-6-16 3847 San Luis Obispo Oceano station 200 Comment
  OBI28508  Monardella undulata subsp. undulata David J. Keil 1982-7-2 16277 San Luis Obispo Nipomo Mesa area W of Pomeroy rd along Black lake Cyn trl Comment
  OBI58365  Monardella undulata subsp. undulata Austin P. Griffiths 1986-5-15 s.n. San Luis Obispo Callender Dunes, bordering sandy track just S a few yds from NW corner of PG&E Callender Switching Station Comment
  JEPS62410  Monardella villosa subsp. obispoensis E. P. Unangst 1907-7-1 San Luis Obispo Prefumo Canyon, near San Luis Obispo Comment
  CAS-BOT-BC214150  Monardella villosa subsp. obispoensis Clare B. Hardham 1967-3-1 14358 San Luis Obispo Big Rock Shell A. Alva Cuyama Comment
  OBI78255  Monardella villosa subsp. obispoensis Robert F. Hoover 1946-6-30 6213 San Luis Obispo E side of La Panza Range, on a branch of Navajo Crk Comment
  SBBG93666  Monardella villosa var. obispoensis T. J. Ayers, S. Junak, D. Young 1989-4-27 717 San Luis Obispo just W of [Cuesta Ridge] Botanical Area western boundary, under powerline Comment
  RSA201652  Monolepis nuttalliana Robert F. Hoover 1952-4-8 8088 San Luis Obispo West base of Temblor Range near road to McKittrick. Comment
  JEPS89631  Monolopia congdonii Dean W. Taylor 1986-3-23 8743 San Luis Obispo along rd. from Elkhorn Plain to corrals Carrizo Plain; Panorama Hills Quad. 1954 ed., Carrizo Plain 640 Comment
  RSA607465  Monolopia gracilens R. S. Woglum 1940-4-20 2635 San Luis Obispo Central Coast: Cambria. Comment
  CAS-BOT-BC349540  Monolopia lanceolata R. F. Hoover 1950-4-2 7783 San Luis Obispo W. branch of Fernandez Creek, just above La Panza-Creston Road Comment
  CDA16840  Monolopia lanceolata G. F. Hrusa, L. Saslaw 2001-4-12 15777 San Luis Obispo Carrizo Plain; Wells Ranch Rd., +- 1 mi. W of Soda Lake Rd. Comment
  OBI47557  Monolopia lanceolata David J. Keil, Rhonda Riggins and Kathryn Bay 1986-4-26 19222 San Luis Obispo E flank of La Panza Mts. 2.05 mi E of San Juan Crk bridge along hwy 58. T29S, R17E, NW corner of sect 26 Comment
  POM363553  Monolopia lanceolata L. S. Rose 1937-4-8 37032 San Luis Obispo Cholame 351 Comment
  RSA613945  Monolopia lanceolata George K. Helmkamp, E. A. Helmkamp 1997-3-8 1415 San Luis Obispo Ca. 6 miles W of Soda Lake Road along CA-58 549 Comment
  SBBG133422  Monolopia lanceolata H. Schneider 2016-4-27 SBBG- 1 San Luis Obispo 26 mi NW of Maricopa on Caliente Mtn Ridge Rd, ca. 3 mi up rd from Soda Lake Rd before the Caliente Mtn Ridge Trail trailhead; Carrizo Plain Nat Monument 1032 Comment
  RSA8379  Monolopia lanceolata I. L. Wiggins 1932-3-21 5822 San Luis Obispo Ridge on NE edge of Carissa Plain on road to Bitterwater Valley. Comment
  CAS-BOT-BC349682  Monolopia stricta Ernest C. Twisselmann 1955-3-22 1744 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Southeast shore of Soda Lake, Carrisa Plains [Carrizo Plain] 585 Comment
  CAS-BOT-BC444871  Montia fontana Clare B. Hardham 1960-4-4 5316 San Luis Obispo Santa Lucia Mountains. Outlet Cantinas Cr. Comment
  OBI26004  Morella californica David J. Keil 1981-5-16 14612 San Luis Obispo Area around Arroyo de la Cruz near its crossing of Calif hwy 1 Comment
  OBI22824  Morus alba Jay B. Hunt 1955-10-24 s.n. San Luis Obispo Cal Poly, Hill N of McPhee's residence Comment
  OBI77163  Mucronea californica Robert F. Hoover 1947-7-10 7293 San Luis Obispo Short distance N of N edge of Santa Maria Valley on Guadalupe-Arroyo Grande rd Comment
  SBBG36978  Mucronea californica Henry Chapman Ford 1893-1 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  SBBG39330  Mucronea californica K. K. Muller 1970-6-10 2955 San Luis Obispo Willowby Rd just W of golf course, Nipomo Mesa Comment
  UC338246  Mucronea californica unknown 1887-1 San Luis Obispo Comment
  CAS-BOT-BC109062  Mucronea californica Ralph Hoffmann 1931-5-30 s.n. San Luis Obispo Oceano to Casmalia. Comment
  SEINET10838750  Mucronea californica James L. Reveal, C. Rose Broome; Clare B. Hardham 1987-6-18 Reveal 6480 San Luis Obispo Along Los Osos Valley Road, 0.2 mile northwest of the entrance to Montana de Oro State Park at the western end of San Luis Range south of Morro Bay and southwest of Baywood Park, on stabilized sand dunes associated with various shrubs at about 250 feet elevation in sec. 24, T30S, R10E. 75 Comment
  SJSU3417  Mucronea californica C. W. Sharsmith 1962-4-19 6778 San Luis Obispo valley of Shell Cr, San Juan Cr drainage c. 12 mi due S of Shandon 414 Comment
  OBI22033  Muhlenbergia rigens Robert F. Hoover 1946-9-14 6372 San Luis Obispo Santa Margarita Comment
  CAS-BOT-BC274881  Muhlenbergia rigens R. F. Hoover 1965-9-15 9552 San Luis Obispo Summit of Pozo - Arroyo Grande Road Comment
  RSA585719  Muhlenbergia rigens F. L. Johnson, E. A. Young 1993-5-25 ROBO 613 San Luis Obispo 0.5 km SE of Deer Trail Road on W Perimeter Road. Comment
  OBI22036  Muhlenbergia utilis Robert F. Hoover 1966-10-1 10102 San Luis Obispo Upper Arroyo Grande at confluence of Phoenix Crk Comment
  SBBG124273  Myosotis latifolia D. Keil 1999-3-14 28212 San Luis Obispo Fern Cyn along trail off Fern Drive, cyn through Monterey Pine forest; Cambria Comment
  CAS-BOT-BC83366  Myosurus minimus R. F. Hoover 1947-3-30 6853 San Luis Obispo 1 mile south of Simmler, Carrizo Plain. Comment
  SBBG122344  Myosurus minimus D. Keil, K. A. Keil 1998-4-4 26568 San Luis Obispo Carrizo Plain N of Soda Lake, vernal pool field along Cambria Rd, ca. 0.2 mi S of Belmont Trail Comment
  CAS-BOT-BC101768  Myrica californica Roxana S. Ferris 1929-4-16 7688 San Luis Obispo road to Atascadero 6 miles east of [Moro] Morro Bay Comment
  OBI80072  Najas guadalupensis David J. Keil 2000-5-26 28745 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-BC456207  Najas marina Ernest C. Twisselmann 1959-11-2 5901 San Luis Obispo Oso Flaco Lake. 6 Comment
  CHSC53328  Nassella cernua L. P. Janeway 1988-4-15 2632 San Luis Obispo South side of Antelope Grade (hwy 46), 0.7 mi W of the summit. 509 Comment
  CAS-BOT-BC260020  Nassella lepida Clare B. Hardham 1958-5-28 3411 San Luis Obispo Santa Lucia Mountains. Chimney Rock Ranch, W of Paso Robles Comment
  RSA492690  Nassella lepida Walter Wisura 1989-5-16 4345 San Luis Obispo San Bernardo Creek Ranch, E of Morro Bay Comment
  UC791008  Nassella lepida G. L. Stebbins Jr. and R. M. Love 1941-3-23 3069 San Luis Obispo open ne-facing slope 4 mi n San Luis Obispo (near foot of grade); Cuesta Grade Comment
  CAS-BOT-BC260210  Nassella pulchra Ira L. Wiggins 1929-4-15 3598 San Luis Obispo 8 miles NW of San Luis Obispo on highway to Morro Comment
  UC463196  Nassella pulchra Roxana S. Ferris 1929-4-16 7673 San Luis Obispo 8 mi n Cayucos Comment
  POM262481  Nassella pulchra I. L. Wiggins 1929-4-13 3461 San Luis Obispo Northeast of Cuesta Grade. Comment
  IRVC29499  Nasturtium officinale Mark A. Elvin, LynneDee Althouse 2006-5-25 4919 San Luis Obispo Above Arroyo Grande; Old Oak Park Road, across from 1620 Old Oak Park Rd. Central Coastal Foothills 99 Comment
  SBBG117797  Nasturtium officinale E. Painter, M. Wetherwax, D. Keil, K. Downing, J. Olson 2000-5-16 CR 84 San Luis Obispo Nacimiento River floodplain, upstream from Twin Bridges; Camp Roberts 180 Comment
  JEPS4104  Navarretia atractyloides Rimo Bacigalupi with R. S. Ferris, R. W. Holm, Dr. and Mrs. R. M. Page 1953-7-25 4334 San Luis Obispo about 2 mi s Oceano (along Calif. Hwy 1, just n of Callender Siding on Southern Pacific Railroad (coastline), shores of Black Lake); Black Lake Comment
  UC639024  Navarretia atractyloides B. E. and H. J. Miossi 1940-7-25 264 San Luis Obispo 5 mi w Edna (near Pismo Creek) 30 Comment
  RSA140471  Navarretia jaredii Clare B. Hardham 1960-5-17 5751 San Luis Obispo South of Bee Rock Comment
  UC146827  Navarretia jaredii Katharine Brandegee 1911-5 San Luis Obispo Paso Robles, hills back of Hotel Paso Robles Comment
  CAS-BOT-BC230460  Navarretia mitracarpa Mrs. R. W. Summers No date on label s.n. San Luis Obispo Santa Margarita Comment
  UCD147265  Navarretia mitracarpa Melanie Gogol-Prokurat 2008-5-7 CARR 164 San Luis Obispo San Luis Obispo County: Carrizo Plains Ecological Reserve, Chimineas Ranch. 621 Comment
  CAS-BOT-BC411011  Nemacladus secundiflorus var. secundiflorus R. F. Hoover 1947-5-24 7204 San Luis Obispo Yaro Creek near its junction with Toro Creek Comment
  JEPS13026  Nemacladus secundiflorus var. secundiflorus Rimo Bacigalupi with Roxana S. Ferris and G. T. Robbins 1955-5-24 5209 San Luis Obispo 2.4 mi above Palo Prieto Canyon confluence with Cholame Creek (n end of Temblor Range, ne San Luis Obispo County); Temblor Range, Palo Prieto Canyon 457 Comment
  UC566277  Nemophila menziesii A. Lewis 1932-3-26 57 San Luis Obispo 2 mi e San Miguel; San Miguel Quad., e of San Miguel Comment
  OBI58342  Nemophila menziesii var. menziesii David J. Keil, with Rhonda Riggins and Karl Striby 1998-5-22 27420 San Luis Obispo Caliente Range. Along Caliente Ridge Rd. between wildlife guzzler (35 deg. 03.432' N x 119 deg. 46.937' W) and Caliente Peak. 1554 Comment
  SBBG15021  Nemophila menziesii var. menziesii E. C. Twisselmann 1962-4-7 6767 San Luis Obispo Goldtree Hills, 0.5 mi SW of Grant Lake 601 Comment
  JEPS13563  Nicotiana quadrivalvis Rimo Bacigalupi with R. S. Ferris and G. T. Robbins 1955-5-23 5195 San Luis Obispo 1.6 mi n Creston-La Panza road (along upper part of Cammatti Canyon road) 405 Comment
  CAS-BOT-BC400109  Nuphar polysepala Ira L. Wiggins 1929-4-15 3587 San Luis Obispo Between Guadalupe and Oceano Comment
  OBI54442  Nuttallanthus texanus Matthew Arterburn 1997-3-14 7 San Luis Obispo 1.3 mi on Red Hill rd off hwy 58 610 Comment
  UC26815  Nuttallanthus texanus Alice King Apr. 1895 San Luis Obispo Arroyo Grande Comment
  OBI19922  Nuttallanthus texanus Walter F. Chesbro 1979-3-10 114 San Luis Obispo Indian Knob. 2.5 mi above last gate on Davenport Crk Rd Comment
  CAS-BOT-BC140418  Oemleria cerasiformis H. E. McMinn 1923-6-21 1166 San Luis Obispo Cuesta Grade Comment
  OBI37364  Oenanthe sarmentosa Eric Wise 1982-6-25 1584 San Luis Obispo Black Lake Cyn. In willow mire about 1 mi E of hwy 1 Comment
  UC1311699  Oenanthe sarmentosa Robert J. Rodin 1959-5-26 6352 San Luis Obispo marsh near Morro Bay at Cuesta By The Sea Comment
  UCD106855  Oenothera deltoides S. P. Lynch 1974-4-22 470 San Luis Obispo San Luis Obispo County: Commatti Canyon (aka Camatta Canyon) Rd. ca. 1.1 mi. N of jct. w/ Hwy 58. Comment
  SBBG60472  Oenothera elata subsp. hookeri M. M. Miles 1886-1 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  UC1122254  Oenothera elata subsp. hookeri H. C. Lee 1936-3-13 484 San Luis Obispo Oceano Beach Arroyo Grande Quadrangle Comment
  JEPS99450  Oenothera elata subsp. hookeri Clare B. Hardham 1959-6-20 4824 San Luis Obispo Cambria, Santa Rosa Creek Comment
  OBI4788  Oenothera elata subsp. hookeri Mark Bailey 1972-7-27 4 San Luis Obispo On the E side of the S most finger of Morro Bay Comment
  OBI6218  Opuntia phaeacantha M. G. McLeod 1974-2-28 1265 San Luis Obispo Corner of Viewmont and Sunset Hospital hill, SLO Comment
  OBI11866  Orobanche bulbosa Robert F. Hoover 1947-5-9 7133 San Luis Obispo Middle Branch of Huerhuero Crk, N of Wells Corner Comment
  OBI11863  Orobanche uniflora Robert F. Hoover 1951-4-15 8037 San Luis Obispo Stoney Crk, tributary of Huasna River Comment
  POM147159  Orthocarpus densiflorus var. gracilis Alice Eastwood 1927-4-9 14378 San Luis Obispo Atascadero Road. Comment
  RSA152283  Orthocarpus densiflorus var. obispoensis R. C. Bacigalupi, G. Thomas Robbins 1952-4-22 3658 San Luis Obispo At junction of old and new roads (coastal county road), 1 mi south of Cambria Pines Lodge, Cambria. Comment
  CLARK-A1045-1329  Orthocarpus lithospermoides George K. Helmkamp 1978-6-3 San Luis Obispo Morro Bay Baywood Park, right at ocean; Morro Bay S 7.5'Q Comment
  OBI32338  Osmorhiza berteroi David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel, Richard Pimentel, Linda Seek, et al 1982-5-8 15933 San Luis Obispo 2.35 mi E of jctn with Santa Rosa Crk rd and Fiscalini ranch rd on dirt rd leading onto slopes of Cypress Mtn Comment
  CDA20401  Osmorhiza chilensis J. Hunter May 1994 s.n. San Luis Obispo Los Padres National Forest, Black Butte Research Natural Area, Cuesta Ridge East 0 Comment
  UCR140083  Oxalis corniculata George K. Helmkamp 2004-2-10 8269 San Luis Obispo Central Coast, southeast of Oceano along Halcyon Rd., 0.2 mi east of Mesa View Dr. 76 Comment
  OBI82140  Oxalis incarnata Peggy A. Philips 2016-4-23 1145 San Luis Obispo Cambria at 2428 Alban Pl. 50 Comment
  UC127287  Packera breweri Benj. Cobb 1907-1 21 San Luis Obispo Paso Robles Comment
  UC55066  Packera breweri J. H. Barber 1899-4-23 San Luis Obispo Paso Robles Comment
  OBI78698  Paeonia californica Daniel Tachibana 2013-2-10 9 San Luis Obispo 15th Street Elfin Forest entrance, Los Osos. 300 yards on the boardwalk toward the bay. 30 Comment
  UC75783  Paeonia californica Miss M. Alice King April, 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC121264  Paeonia californica Roxana S. Ferris; Ruth P. Rossbach 1938-5-12 9453 San Luis Obispo Along Salinas River 10 miles east of Santa Margarita on state hwy #178. Comment
  CAS-BOT-BC121265  Paeonia californica D. E. Breedlove 1962-3-29 2025 San Luis Obispo North city limits of Atascadero 304 Comment
  UCSB18202  Paeonia californica Fisher, Michael 1964-4-18 San Luis Obispo 50 yards W of Balboa Road, 1.7 miles W of intersection with Monterey Road, Atascadero 259 Comment
  OBI44986  Panicum miliaceum David J. Keil 1984-8-25 18430 San Luis Obispo Along Broderson Ave between Woodland and Manzanita in Los Osos Comment
  UC455317  Papaver californicum I. J. Condit 1908-4-2 San Luis Obispo Cuesta Summit 792 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
  OBI58819  Parietaria hespera David J. Keil 1998-4-28 26943 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
  SBBG117495  Parietaria hespera var. californica E. Painter, M. Wetherwax 2003-3-18 CR 406 San Luis Obispo below palisades on hillside above Nacimiento River; Camp Roberts 250 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
  OBI65952  Paspalum distichum Wendy Thackery, Stacey Smith and Paul Corsi 2003-8-22 58 San Luis Obispo Central Coast Comprehensive Wetlands GIS (CCCWGIS) S of Morro Bay on Hwy 1. N of Hollister peak and hwy 1 at srping drainage off of Canet Rd frontage rd 34 Comment
  SEINET10952272  Passiflora manicata Robert J. Rodin 1965-6-9 Rodin 7134 San Luis Obispo cultivated in Morro Bay Comment
  UC564108  Pectocarya setosa Roxana S. Ferris 1935-3-29 9097 San Luis Obispo 7 mi e Pozo (on the Santa Maria-McKittrick Rd) Comment
  UC1125722  Pedicularis densiflora C. A. Graham 1938-4-11 305 San Luis Obispo 1 mi s of Bee Rock 365 Comment
  OBI32369  Pedicularis densiflora David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel, Richard Pimentel, Linda Seek, et al 1982-5-8 16019 San Luis Obispo Trl on NE side of Cypress Mtn Comment
  OBI80542  Pedicularis densiflora Denniq 2013-2-23 8 San Luis Obispo Next to Granite Ridge Road, between Creston and Santa Margarita 457 Comment
  OBI80565  Pedicularis densiflora Clare B. Hardham 1967-3-20 14422 San Luis Obispo Rinconada Mine Comment
  SBBG7098  Pedicularis densiflora H. and M. Dearing 1934-3-4 1664 San Luis Obispo Adelaida Comment
  OBI19826  Pelargonium grossularioides Walter F. Chesebro 1978-5-27 250 V San Luis Obispo Along Turri Rd, 2.2 mi from Los Osos Valley Rd Comment
  CAS-BOT-BC94574  Pellaea andromedifolia R. C. Wenk 2007-4-15 638 San Luis Obispo along Pozo Road, about 1 mile W of Pozo summit. Along road, shaded slope 700 Comment
  CAS-BOT-BC69233  Pellaea andromedifolia M. M. Miles 1885-1-1 s.n. San Luis Obispo St. Lucia Range, San Luis Obispo Comment
  UCR61749  Pellaea mucronata George K. Helmkamp 1990-4-1 s.n. San Luis Obispo West Cuesta Ridge, c. 3 mi west of US Hwy 101 671 Comment
  SEINET11262458  Pellaea mucronata David Keil 2003-5-6 30169 San Luis Obispo Highway 58, about 1 mile E of Hwy 229.; 0 Comment
  OBI43663  Peltandra virginica Eric Wise 1982-6-10 1509 San Luis Obispo Sinton Sycamore Reservoir on Shell Crk Rd 8.9 mi N of hwy 58 Comment
  UCD124081  Penstemon centranthifolius Mrs. B. S. MacLean 1932-7-1 s.n. San Luis Obispo San Luis Obispo County: La Panza. Comment
  OBI4436  Penstemon centranthifolius Robert J. Rodin 1968-7-14 8301 San Luis Obispo 2 mi E of Santa Margarita, left fork of rd 1 mi from town. On rt side of rd on steep bank 100 yds before bridge Comment
  CHSC1863  Penstemon grinnellii var. scrophularioides E. Thomas 1940-5-12 San Luis Obispo San Luis Obispo coastal region. Comment
  UCR29938.1  Penstemon heterophyllus J. H. Nishida 1982-5-22 389 San Luis Obispo South Coast Range, 0.8 miles south of American Canyon Campground, where road crosses dry streambed 518 Comment
  UCSC000692  Penstemon heterophyllus T. M. Hendrix 1939-5-17 1039 San Luis Obispo 1.1 miles N. of Branch Mt. Branch Mt. - , Los Padres Nat'l Forest 853 Comment
  OBI29232  Pentachaeta alsinoides David J. Keil, Melissa Luckow, Richard A. Pimentel, and Rhonda Riggins-Pimentel 1981-4-24 14525 San Luis Obispo Jctn of Shell Crk Rd and Calif hwy 58 S of Shandon Comment
  OBI42145  Pentachaeta alsinoides David J. Keil, Lynne Dee Oyler and Rick Oyler 1986-5-17 19460 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 Pilitas fire of July 1985 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
  SBBG117907  Pentachaeta exilis subsp. exilis M. Wetherwax, E. Painter 2003-4-2 CR 420 San Luis Obispo S side of Boy Scout Rd, ca. midway between Boy Scout Ford and Twin Bridges; Camp Roberts 203 Comment
  CAS-BOT-BC330530  Pentachaeta fragilis R. F. Hoover 1952-5-24 8216 San Luis Obispo Caliente Mt., along ridge W of peak Comment
  UC2027507  Pentagramma triangularis subsp. semipallida David J. Keil with Matt Ritter, Mike Stiles, Charley Knight, Wendy Knight and Craig Jacobsen 2012-6-28 31387 San Luis Obispo Santa Lucia Mountains. Upper Lopez Canyon. Lopez Canyon Trail from east Cuesta Ridge to Lopez Canyon Road. Comment
  UC638970  Pentagramma triangularis subsp. triangularis Bernard Miossi 1940-3-17 215 San Luis Obispo n San Luis Obispo (Polytechnic School Canyon) 121 Comment
  UC1296375  Pentagramma triangularis subsp. triangularis R. F. Hoover 1946-11-24 6566 San Luis Obispo hills above Salinas River (opposite Pilitas Creek) Comment
  LA211658  Persicaria punctata Mark A. Elvin; Jason Storlie 2014-10-10 7700 San Luis Obispo Guandalupe-Nipomo Dunes National Wildlife Refuge, Guadalupe Dunes; "3-Pond West" in "3-Pond Valley," no standing water present, 500 meters from the south boundary of the Refuge. 15.0 Comment
  OBI73096  Petunia parviflora David J. Keil 2000-5-8 28645 San Luis Obispo Campus of California Polytechnic State University, San Luis Obispo. Entrance to Poly Canyon Comment
  SEINET7096709  Phacelia brachyloba A. G. Vestal 1962-4-10 s.n. San Luis Obispo Ca. 0.1 mile northwest of Pozo. NAD27, 35? deg. 18' 20ao, -120 22' 43ao (converted to WGS84 decimal degrees) UTM Zone 10, 738348mE, 3909882mN. Comment
  UCSB57259  Phacelia brachyloba Ryan, P.; Callaway, R. 1987-4-17 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
  OBI13751  Phacelia campanularia Stephen Wainwright 1964-2-29 4 San Luis Obispo 4 mi W of Los Osos School on Los Osos Valley rd Comment
  OBI13838  Phacelia ciliata var. ciliata Robert F. Hoover 1948-5-2 7497 San Luis Obispo W base of La Panza Range Comment
  OBI13828  Phacelia cryptantha Robert F. Hoover 1967-4-16 10464 San Luis Obispo Elkhorn Hills Comment
  RSA43309  Phacelia distans J. T. Howell 1948-6-15 24370 San Luis Obispo Hughes Canyon SE of Shandon. 457 Comment
  UC1069238  Phacelia distans W. A. Peterson 1937-3-20 633 San Luis Obispo Syncline Hill La Panza Quadrangle Comment
  UCD147261  Phacelia distans Melanie Gogol-Prokurat; A. Klein 2008-5-6 CARR 148 -2 San Luis Obispo San Luis Obispo County: Carrizo Plains Ecological Reserve, Chimineas Ranch. 720 Comment
  UCR122159  Phacelia distans George K. Helmkamp, E. A. Helmkamp 2000-4-22 5470 San Luis Obispo Central Coast, Los Osos, between the west end of Howard Ave. and Morro Bay sand dunes 15 Comment
  SEINET3158141  Phacelia distans G. B. Grant 958 San Luis Obispo Casa Robles Comment
  UC1285014  Phacelia douglasii R. F. Hoover 1949-4-2 7569 San Luis Obispo near summit Cottonwood Pass Comment
  RSA17802  Phacelia douglasii Carl B. Wolf 1929-4-15 3570 San Luis Obispo 2-3 miles inland from ocean and about 5 miles north of Santa Maria River. 61 Comment
  UC24355  Phacelia douglasii Alice Eastwood 1896-4-28 San Luis Obispo near border between Santa Barbara and San Luis Obispo Counties; Dutard's Ranch Comment
  RSA0020351  Phacelia egena Greg Wilvert 2005-4-30 365 San Luis Obispo Southeast half of the Caliente Range. 0.8 km SE of Padrones Spring. 1007 Comment
  OBI54465  Phacelia grisea Matthew Arterburn 1997-4-16 53 San Luis Obispo Top of Black Mtn, La Panza Range Comment
  UC107548  Phacelia grisea E. Palmer, M. D. July 1876 381 San Luis Obispo Central California Comment
  OBI83489  Phacelia imbricata Sarah Haluschak, Carter Terranova, Claire Dosen 2017-2-11 2 San Luis Obispo Cal Poly Campus, top of the "P" ridge. 343 Comment
  OBI58337  Phacelia nemoralis var. nemoralis David J. Keil 1998-6-12 27777 San Luis Obispo Along Coon Creek, Montana de Oro State Park. Comment
  OBI13741  Phacelia ramosissima Robert F. Hoover 1947-7-10 7294 San Luis Obispo Short distance N of N edge of Santa Maria Valley on Guadalupe-Arroyo Grande rd Comment
  OBI81217  Phacelia tanacetifolia David J. Keil, Rhonda Riggins, Richard Pimentel, Melissa Luckow, and Larry Kelly 1988-3-18 20385 San Luis Obispo Elkhorn Road, 4 miles from junction with Simmler-Soda Lake Road 640 Comment
  UC24471  Phacelia tanacetifolia Mrs. Blochman 1893-1 San Luis Obispo San Luis Obispo Comment
  UC454054  Phalaris caroliniana I. J. Condit Apr. 1908 San Luis Obispo Polytechnic School grounds Comment
  CAS-BOT-BC259085  Phalaris lemmonii R. F. Hoover 1947-5-12 7161 San Luis Obispo Near north end of Laguna near San Luis Obispo Comment
  POM262120  Phalaris minor I. L. Wiggins 1929-4-13 3480 San Luis Obispo 5 miles north of Pismo Beach Comment
  OBI27394  Phalaris paradoxa Thomas Burrows 1980-6-20 82 San Luis Obispo Reservoir Cyn, San Luis Obispo 152 Comment
  OBI66436  Phalaris paradoxa David J. Keil, with Miguel Ponce 1997-1 26140 San Luis Obispo Along salinas river floodplain at highway 58 bridge. Comment
  OBI2574  Phleum pratense Larry E. Brown 1971-7-3 2056 San Luis Obispo Silver City Mobile Home Manor on S Higuera in San LUis Obispo Comment
  UC1124200  Phlox gracilis P. L. Johannsen 1937-4-21 1070 San Luis Obispo 7 mi se Simmler Quad.; McKittrick Quad. 609 Comment
  CHSC22661  Pholisma arenarium H. A. Sweet 1965-4-12 4- 12 -65-3 San Luis Obispo Morro Bay sand dunes at western end of Los Osos Valley Road. Comment
  OBI5043  Pholisma arenarium Robert J. Rodin 1956-5-20 6062 San Luis Obispo S end of Morro Bay Comment
  OBI53421  Pholisma arenarium Arthur W. Hazebrook 1993-5-23 239 San Luis Obispo Nipomo Dunes Complex, NE portion of Big Coreopsis Hill Comment
  OBI4452  Pholistoma auritum var. auritum Robert J. Rodin 1954-4-3 5950 San Luis Obispo Bishop's peak Comment
  UCR161464  Pholistoma auritum var. auritum George K. Helmkamp, E. A. Helmkamp 2005-3-5 9025 San Luis Obispo Outer South Coast Ranges, Santa Lucia Wilderness N of Lopez Lake, Upper Lopez Canyon Road, 5.5 mi N of jct with Lopez Road 335 Comment
  UCSB25387  Pholistoma membranaceum Broder, Richard 1960-3-20 San Luis Obispo Between La Panza Public Campground and McKittrick, 5.2 miles east of campgrounds Comment
  OBI28636  Phoradendron densum Robert J. Rodin 1965-3-28 7122 San Luis Obispo Along road E of Simmler near E boundary of San Luis Obispo county Comment
  OBI71789  Phyla nodiflora Michael Walgren 2008-8-1 55 San Luis Obispo San Simeon State Park along bech edge at San Simeon Cove near San Simeon Pier Comment
  OBI65843  Pickeringia montana var. montana D. R. Miller 1994-5-20 594 -371 San Luis Obispo Pine Mtn Region; along upper edge of Coles rd in (with Hearsts') Marmolejo crk drainage 750 Comment
  UC1445987  Pinus coulteri T. M. Hendrix 1937-5-12 176 San Luis Obispo 4 mi sse Navajo; Los Padres National Forest, Pozo Quadrangle Comment
  UC496181  Pinus coulteri Elmer I. Applegate 1931-11-13 7009 San Luis Obispo about 5 mi ne San Luis Obispo (1/4 mi e of the hughway, mountains between San Luis Obispo and Santa Margarita); Cuesta Pass Comment
  OBI3571  Pinus radiata Mary Kidd 1971-8-1 166 San Luis Obispo Calif native tree found growing on 3 acre lawn west side of campus; Cal State Polytechnic College Comment
  OBI37898  Pinus sabiniana David J. Keil, Rhonda Riggins, Richard A. Pimentel and D. R. "doc" Miller 1985-4-27 18564 San Luis Obispo 19.5 mi from CA Rte 1 along San Simeon Crk rd, N of rocky Butte lookout at locked gate Comment
  RSA382749  Piperia elongata George Henry Grinnell 1930-7-11 s.n. San Luis Obispo Cambria Pines Comment
  SBBG28510  Piperia elongata C. B. Hardham 1956-7-15 1261 San Luis Obispo Santa Rita Crk Comment
  OBI67026  Piperia michaelii David J. Keil 2001-6-8 29541 San Luis Obispo Near Portola Point Trail Comment
  CDA13950  Piptatherum miliaceum G. F. Hrusa, D. Ragan 1997-8-1 14075 San Luis Obispo South Coast Ranges; Los Padres National Forest; upper Water Canyon on E side of Cuesta Ridge SE of Cuesta Pass. Comment
  OBI65760  Piptatherum miliaceum D. R. Miller 1995-6-20 695 -582 San Luis Obispo PIne Mt Region. At Hasman Cabin; Pico Crk drainage 914 Comment
  OBI11675  Pittosporum undulatum Bonnie M. Thompson 1963-11-20 551 San Luis Obispo Calif State Polytechnic College, post office Comment
  OBI1382  Pityrogramma triangularis var. viridis Robert F. Hoover 1964-5-13 8819 San Luis Obispo Tassajera Creek. Comment
  SBBG118644  Plagiobothrys acanthocarpus M. Wetherwax, E. Painter with J. Greenhouse 2001-3-20 CR 139 San Luis Obispo jct of Tower Rd and Rd C-25; Camp Roberts 220 Comment
  UC1873068  Plagiobothrys acanthocarpus David Keil 2001-3-28 29224 San Luis Obispo SE of Cholame along Davis Road, 1 mi SE of California Water Project pipeline corridor. 377 Comment
  UC573383  Plagiobothrys canescens T. M. Hendrix 1937-4-16 16 San Luis Obispo 4.7 mi se Pozo; Santa Barbara National Forest, Pozo Quad. 457 Comment
  OBI20597  Plagiobothrys leptocladus Robert F. Hoover 1966-3-30 9762 San Luis Obispo W side of Soda Lake, Carrizo Plain Comment
  OBI55594  Plagiobothrys leptocladus George Butterworth 1998-3-30 225 San Luis Obispo Carrizo Plain Natural Area. 200 yds N of Soda Lake Rd, 1/4 mi NE of Yellow Gate Rd. T31S, R19E, S24, NE Qtr 587 Comment
  RSA15700  Plagiobothrys nothofulvus C. B. Wolf 1929-4-13 3446 San Luis Obispo 3 miles S of Paso Robles. 213 Comment
  OBI31271  Plagiobothrys nothofulvus Joy Nishida, Melissa Luckow 1983-3-10 546 San Luis Obispo American Cyn. 1.8 mi S of Amer Cyn campground 506 Comment
  RSA182977  Plagiobothrys uncinatus Clare B. Hardham 1961-5-26 7137 San Luis Obispo Franklin Creek, west of Adelaida Comment
  RSA165469  Plantago bigelovii subsp. californica Clare B. Hardham 1963-4-9 10610 a San Luis Obispo Cholame River Valley, Jack Ranch. Comment
  UC1392656  Plantago erecta Mrs. R. W. Summers 1882-3-23 286 San Luis Obispo San Luis Mountain San Luis Obispo Comment
  RSA133428  Platanthera leucostachys Clare B. Hardham 1959-6-8 4758 San Luis Obispo NE slope Cypress Mountain. Comment
  SBBG108193  Platanus racemosa C. B. Hardham 1960-6-20 4838 San Luis Obispo Santa Rosa Crk, Cambria Comment
  OBI11611  Platanus racemosa J. B. Carstens 1966-5-22 60 San Luis Obispo 6 mi up Lopez cyn in sandy soi along roadside Comment
  OBI8162  Platanus racemosa LynneDee Althouse 1977-4-16 50 San Luis Obispo Wolfe's Horse Ranch, Near San Luis High School 130 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
  SBBG104347  Platystemon californicus F. L. Johnson, E. A. Young 1993-5-26 ROB 623 San Luis Obispo ca. 1.5 km WNW of Chorro Reservoir; Camp San Luis Obispo Comment
  UC52278  Platystemon californicus Rev. R. W. Summers 1888-4-29 San Luis Obispo Templeton Comment
  CAS-BOT-BC91991  Platystemon californicus Mary E. Wall 1933-4-20 s.n. San Luis Obispo Santa Margarita. El Dorado School. Comment
  OBI8688  Plectritis ciliosa Robert F. Hoover 1947-3-30 6826 San Luis Obispo Highland district, E of Creston Comment
  UC456059  Plectritis ciliosa subsp. insignis I. J. Condit 1910-4-1 San Luis Obispo Mills Ranch Comment
  UC1224745  Plectritis macrocera R. F. Hoover 1949-5-12 7667 San Luis Obispo between Mount Bishop and Cerro Romauldo Comment
  SBBG63433  Pluchea sericea R. Hoffmann 1927-10-14 San Luis Obispo Alamo Crk, Lower Cuyama Valley Comment
  UC1132579  Poa annua G. T. Nordstrom 1937-4-28 1143 San Luis Obispo 1 mi s Williams Ranch; Adelaida Quadrangle Comment
  UC1132582  Poa annua N. K. Carlson 1936-3-19 174 San Luis Obispo 2.1 mi nne Pismo (Plot 9); Arroyo Grande Quadrangle 30 Comment
  UCR161299  Poa annua George K. Helmkamp, E. A. Helmkamp 2005-3-9 9098 San Luis Obispo Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive 43 Comment
  UCR96394  Poa annua George K. Helmkamp 1996-9-22 1204 San Luis Obispo Central Coast, along San Simeon Creek, c. 0.2 mile east of CA Hwy 1 6 Comment
  OBI65856  Poa annua D. R. Miller 1994-3-30 394 -145 San Luis Obispo Pine Mt Region. On property, in yard area, Tobacco Crk drainage 732 Comment
  CAS-BOT-BC246703  Poa howellii Clare B. Hardham 1961-5-18 7098 San Luis Obispo Santa Lucia Mountains. Between Pine Mt and Rocky Butte Comment
  OBI2808  Poa pratensis Larry E. Brown 1971-4-27 1970 San Luis Obispo Cal Poly Campus Comment
  OBI66117  Poa pratensis subsp. pratensis D. R. Miller 1994-5-11 594 -335 San Luis Obispo Pine Mt Region. At N corner of Rocky Butte Lookout bldg; Town crk drainage 900 Comment
  UC188787  Poa pratensis subsp. pratensis Mrs. R. W. Summers 5 San Luis Obispo Comment
  CAS-BOT-BC237660  Poa secunda Elizabeth A. Kellogg; Elizabeth L. Taylor 1980-5-27 331 San Luis Obispo Pozo Summit, ca. 8 miles E of Pozo, ridge between Fraser Canyon and Mariana Creek Comment
  OBI65020  Poa secunda Greg Wilvert 2005-4-6 180 San Luis Obispo SE half of the Caliente Range. N end of Padrones Cyn. S end of Horse Cyn, 4.3 km N of New Cuyama 655 Comment
  CAS-BOT-BC243081  Poa secunda subsp. secunda Clare B. Hardham 1957-4-19 1801 San Luis Obispo Santa Lucia Mountains. Santa Rita Ranch, York Mountain Comment
  OBI42271  Poa secunda subsp. secunda David J. Keil, Lynne Dee Oyler and Rick Oyler 1986-5-17 19493 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
  SBBG125752  Poa secunda subsp. secunda T. Fitanides with A. Baniaga 2010-3-26 San Luis Obispo Tierra Redonda Mtn 340 Comment
  UC1132805  Poa secunda subsp. secunda N. K. Carlson 1936-3-28 256 San Luis Obispo 1.2 mi sw Santa Margarita (Plot 41); San Luis Obispo Quadrangle 274 Comment
  CAS-BOT-BC243090  Poa secunda subsp. secunda John Thomas Howell 1958-4-28 33019 San Luis Obispo Carrizo Plain just S of Soda Lake Comment
  OBI83363  Poaceae Rhonda Riggins 1981-9-5 1309 San Luis Obispo Queensland. Millstream Falls National Park, CA. 4 km E Ravenshoe on Kennedy Hwy. Comment
  OBI13594  Pogogyne douglasii Robert F. Hoover 1948-9-9 7555 San Luis Obispo 1.8 mi N of Arroyo de la Cruz; on state hwy 1 Comment
  OBI57949  Pogogyne douglasii Austin P. Griffiths, G. F. Hrusa, E. W. Thompson, C. Cunningham 1984-6-9 s.n. San Luis Obispo Arroyo de la Cruz. Between state hwy 1 and ocean just N of Pt. sierra Nevada at mouth of Arroyo de la Cruz. T25S, R6E, sect 33 BM:M Comment
  SD232651  Polycarpon depressum G. Helmkamp 1996-5-25 1069 San Luis Obispo Dried vernal pools between CA-1 and the ocean 1.5 miles north of Piedras Blancass lighthouse near the northern border of the county. 14 Comment
  OBI80818  Polycarpon tetraphyllum David J. Keil 1992-1 22908 San Luis Obispo Laguna Lake City Park. Grassy field near park entrance 170 Comment
  RSA689941  Polypodium californicum M. M. Miles 1883-1 s.n. San Luis Obispo [no locality information provided] Comment
Read comments
Mar 14 2011
  SBBG104489  Polypodium californicum F. L. Johnson Proctor 1993-2-21 ROB 161 San Luis Obispo Pick and Shovel Mine; Camp San Luis Obispo Comment
  UC1296371  Polypodium californicum R. F. Hoover 1947-1-27 6604 San Luis Obispo 6 mi s San Luis Obispo Comment
  OBI66845  Polypogon interruptus David J. Keil, with Tina Teed and Mariko Uchida 2001-6-15 29610 San Luis Obispo Camp San Luis Obispo. Chorro Creep drainage. Chorro Creek Bog Thistle exclosure. Vicinity of 35.3442 deg. N, 120.6800 deg. W 244 Comment
  HSC91732  Polypogon interruptus Susan H. Bicknell 1989-6-13 San Luis Obispo Montana de Oro. Comment
  UCD91190  Polypogon maritimus Beecher Crampton 1964-5-18 6985 San Luis Obispo San Luis Obispo County: Santa Margarita. Santa Margarita Creek. Comment
  UCR159842  Polypogon monspeliensis George K. Helmkamp, E. A. Helmkamp 2005-6-12 9628 San Luis Obispo South Coast Ranges, along Calif. Hwy 58 (Calf Canyon Hwy), 4.2 mi east of Santa Margarita 358 Comment
  CAS-BOT-BC237330  Polypogon monspeliensis Clare B. Hardham 1957-5-30 2049 San Luis Obispo Santa Lucia Mountains. Ephemeral stream near Klau Mine Comment
  OBI22182  Polypogon monspeliensis Robert F. Hoover 1950-6-2 7962 a San Luis Obispo Stoney Crk Comment
  OBI2537  Polypogon monspeliensis Larry E. Brown 1970-3-17 1742 San Luis Obispo 3 mi S of Baywood Park, In Hazard Cyn Comment
  OBI60618  Polypogon monspeliensis Roger Gambs 1980-11-21 s.n. San Luis Obispo Camp Roberts Military Reservation. Along Nacimiento River, CA. 4 mi SW of Main Garrison Comment
  OBI59243  Polypogon viridis G. F. Hrusa, J. Park, G. Perez 1998-7-21 14733 San Luis Obispo South Coast Ranges. Within residential site on Temettate rd off Suey crk rd Comment
  RSA714642  Polypogon viridis Daisie Huang 2006-3-19 6031911 San Luis Obispo vacant lot at 101 and Santa Maria Rd. 101 Comment
  OBI40149  Polypogon viridis David J. Keil 1977-11-12 s.n. San Luis Obispo San Luis Obispo at Laguna Lake Park Comment
  UC440148  Polystichum munitum Mrs. R. W. Summers Feb. 1898 69 San Luis Obispo Comment
  OBI37128  Populus fremontii Eric Wise 1981-8-7 1021 San Luis Obispo Cow pond, .3 mi W of Huer Huero-La Panza Rd, next to hwy 58 Comment
  OBI46289  Populus trichocarpa David J. Keil, K. Jones, S. Cochrane, M. G. McLeod, Bernard and Lela Burdette, and Austin Griffiths 1984-3-10 18094 San Luis Obispo Nipomo Mesa. Big Coreopsis HIll S of Oso Flaco Lake, at end of Oso Flaco Lake Rd, 3.6 mi from jctn with State hwy 1 Comment
  OBI26515  Portulaca oleracea Kathlene Henry 1979-7-29 26 San Luis Obispo San Luis Obispo. So. Higuera rd, 500 ft S of Tank Farm Rd 37 Comment
  UC1873038  Potamogeton nodosus David Keil with Kathleen Keil 2002-7-27 29897 San Luis Obispo Santa Margarita Lake (reservoir formed by dam on Salinas River) 396 Comment
  CAS-BOT-BC453831  Potamogeton nodosus Clare B. Hardham 1957-9-2 2597 San Luis Obispo Santa Lucia Mountains. Nacimiento Lake Comment
  OBI36977  Potentilla anserina Eric Wise 1981-6-30 866 San Luis Obispo Black Lake of Dune Lakes. Cut off from Black Lake cyn by train tressel Comment
  POM312887  Potentilla anserina var. grandis Malcolm A. Nobs, S. Galen Smith 1948-9-9 653 San Luis Obispo Dune-bound marshes, south of Pismo Beach. Comment
  OBI70795  Poterium sanguisorba David J. Keil 2009-5-5 30603 San Luis Obispo See Canyon - Prefumo Canyon summit area along upper See Canyon Road Comment
  OBI83666  Primula clevelandii var. insularis Jon Catanio, Omar Gonzalez 2016-2-17 2 San Luis Obispo Irish Hills, Mariposa trail about a quarter mile in, to the left about 10 feet off the rail. Comment
  CAS-BOT-BC163007  Prunus fasciculata var. fasciculata Alice Eastwood 1940-4-14 18927 San Luis Obispo Nipoma Mesa Comment
  RSA201699  Prunus fasciculata var. punctata Robert F. Hoover 1948-3-26 7432 San Luis Obispo Sunnyside School near Baywood Park Comment
  CAS-BOT-BC156346  Prunus virginiana var. demissa Clare B. Hardham 1958-5-10 3245 San Luis Obispo Paso Robles Creek, York Mt. Rd. Comment
  RSA195813  Pseudognaphalium biolettii E. C. Twisselmann 1967-4-27 12933 San Luis Obispo Ragged Point, Santa Lucia Range 61 Comment
  OBI25579  Pseudognaphalium californicum David J. Keil 1981-5-16 14699 San Luis Obispo Area around Arroyo de la Cruz near its crossing of hwy 1 Comment
  OBI27051  Pseudognaphalium californicum David J. Keil, Malcolm McLeod, Melissa Luckow, Julie Vandervier et al. 1980-5-18 14030 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
  OBI53514  Pseudognaphalium californicum David J. Keil 1992-5-2 107 San Luis Obispo Nipomo Dunes Complex, Big Coreopsis HIll, Stabilized dunes. Comment
  OBI59674  Pseudognaphalium californicum Larry Kelly, David J. Keil, V. L. Holland, and Lynne Dee Oyler 1990-4-12 391 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  OBI59920  Pseudognaphalium californicum G. F. Hrusa 1995-5-28 12319 San Luis Obispo Black Butte Research Natural Area. Ridge immed SW of Radio Facility 2 (Peak 1) 630 Comment
  SBBG118195  Pseudognaphalium californicum M. Wetherwax, E. Painter, K. Downing 2002-5-8 SLO 258 San Luis Obispo Chumash Pk; Camp San Luis Obispo; LCTA plot 315 194 Comment
  SBBG41026  Pseudognaphalium californicum J. P. Broughton 1971-3-14 1327 San Luis Obispo Montana de Oro State Park Comment
  OBI16429  Pseudognaphalium luteoalbum Robert F. Hoover 1964-8-14 9275 San Luis Obispo Jack Lake Comment
  OBI65054  Pseudognaphalium luteoalbum Greg Wilvert 2005-4-17 259 San Luis Obispo SE half of the Caliente Range. Quail Spring Comment
  CAS-BOT-BC357111  Pseudognaphalium luteoalbum Ernest C. Twisselmann; Donald J. Bedell 1971-4-26 17668 San Luis Obispo Franklin Canyon, ca. 2.5 miles southeast of Paso Robles 243 Comment
  OBI26584  Pseudognaphalium luteoalbum David J. Keil 1980-9-21 14251 San Luis Obispo 3 mi S of Creston along Calif Rte 229 along middle branch of Huer Huero crk cyn Comment
  OBI31639  Pseudognaphalium luteoalbum Smeltzer, Turnquist 1982-4-21 56 San Luis Obispo From rear parking area along NE lake edge in Laguna Lake Park Comment
  OBI31306  Pseudognaphalium microcephalum Joy Nishida 1982-7-8 503 San Luis Obispo American Cyn. 1 mi S of campground 512 Comment
  OBI16406  Pseudognaphalium ramosissimum Robert F. Hoover 1946-8-26 6354 San Luis Obispo Los Osos Valley Comment
  CAS-BOT-BC361550  Pseudognaphalium stramineum Ernest C. Twisselmann 1967-4-27 12907 San Luis Obispo Mesa just north of San Simeon Beach State Park 9 Comment
  OBI16439  Pseudognaphalium stramineum F. Rush August1957 s.n. San Luis Obispo S Moro Comment
  OBI66433  Psilocarphus tenellus David J. Keil, with Kathleen A. Keil 1997-3-29 26112 San Luis Obispo La panza mountains. 1 mile from highway 58 along red hill road. Comment
  CDA11517  Pterostegia drymarioides G. F. Hrusa 1995-5-28 12303 San Luis Obispo Black Butte Research Natural Area; Los Padres NF. Ridge immediately SW of Radio Facility 2 (Peak 1). Comment
  UC1135481  Quercus X alvordiana A. E. Wieslander 1936-8-27 668 San Luis Obispo Head of Temblor Creek McKittrick Quad. 883 Comment
  UC1135485  Quercus X alvordiana E. Armstrong 1934-4-1 1156 San Luis Obispo Rinconada Creek Pozo Quad. 609 Comment
  CAS-BOT-BC61746  Quercus agrifolia W. R. Dudley 1905-1-6 s.n. San Luis Obispo on row from Klau's mine Comment
  OBI28336  Quercus agrifolia var. agrifolia Lori Blain 1982-4-4 3 San Luis Obispo Cal Poly campus. Near stream where Design Village branches off of Poly canyon 152 Comment
  OBI39338  Quercus agrifolia var. agrifolia David J. Keil, Rhonda Riggins, Richard A. Pimentel, and D. R. "Doc" Miller 1985-4-27 18727 San Luis Obispo 12.6 mi from Calif rte 1 on San Simeon Creek Rd. between Pine mountain and Rocky Butte Comment
  OBI67855  Quercus agrifolia var. agrifolia E. L. Painter & M. Wetherwax, M. Wetherwax 2000-11-15 SLO- 173 San Luis Obispo Camp SLO. South side of Chumash Peak, along road above Training area K-1 120 Comment
  SBBG20030  Quercus agrifolia var. agrifolia J. M. Tucker 1963-4-11 3682 San Luis Obispo N side of St Hwy 41, 15.1 mi (by rd) E of Cambria Comment
  UCD45637  Quercus douglasii R. F. Hoover 1946-8-18 6311 San Luis Obispo Mariana Creek, east side of La Panza Range. Comment
  OBI25516  Quercus durata var. durata David J. Keil 1978-10-27 s.n. San Luis Obispo Unpaved fire road off Cuesta Summit rd Comment
  CDA20420  Quercus john-tuckeri J. Hunter May 1994 s.n. San Luis Obispo Black Butte Research Natural Area; Los Padres National Forest, Cuesta Ridge East 0 Comment
  OBI67862  Quercus john-tuckeri M. Wetherwax & E. L. Painter, J. Wetherwax 2002-7-29 CR- 326 San Luis Obispo Camp Roberts. North of San Marcos Rd, N of Chimney rock 400 Comment
  OBI81486  Quercus lobata Connor Skelly, Sarina Shames 2015-11-6 7 San Luis Obispo South Hills Open Space, San Luis Obispo County, California. Comment
  CAS-BOT-BC104320  Quercus palmeri R. F. Hoover 1963-12-19 8611 San Luis Obispo Peachy Canyon Road four miles W of Paso Robles Comment
  OBI50241  Rafinesquia californica David J. Keil 1991-6-7 21565 San Luis Obispo Rd to Cerro Alto Campground, Los Padres NF between Morro Bay and Atascadero along hwy 41. Santa Lucia Mts 305 Comment
  SBBG133034  Ranunculus aquatilis var. diffusus D. Keil 2000-5-24 28734 San Luis Obispo Santa Margarita Ranch, ca. 4.2 mi S of railroad crossing (in Santa Margarita) on Pozo Rd Comment
  OBI10579  Ranunculus californicus Aart C. De Vos 1963-3-31 46 San Luis Obispo Poly Cyn Comment
  UCR103803  Ranunculus californicus George K. Helmkamp 1997-3-8 1463 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
  OBI5519  Ranunculus californicus Sharon Jochums 1974-2-17 21 San Luis Obispo W of hwy 1 just S of Arroyo de la Cruz on marine terr Comment
  RSA586596  Ranunculus californicus M. D. Proctor, E. A. Young 1993-3-17 s.n. San Luis Obispo 0.5 km S of Boyscout Road Comment
  OBI66423  Ranunculus hebecarpus David J. Keil, with Kathleen A. Keil 1997-3-29 26122 San Luis Obispo La panza mountains. 1 mile from highway 58 along red hill road. Comment
  OBI31817  Raphanus sativus Smeltzer/Turnquist 1982-4-6 12 San Luis Obispo SE side of Laguna Lake Park Comment
  OBI73569  Ratibida columnifera David J. Keil 2010-8-30 30928 San Luis Obispo San Luis Obispo. Cerro San Luis Obispo Open Space. Lemon Grove loop trail 140 Comment
  UC1071541  Rhamnus californica H. C. Lee 1936-2-28 438 San Luis Obispo Head of Newsome Canyon San Luis Obispo National Forest, Arroyo Grande Quad. 213 Comment
  POM262063  Rhamnus californica I. L. Wiggins 1929-4-16 3666 San Luis Obispo Grade 6 miles above Moro on Atascadero Road. Comment
  RSA0037454  Rhamnus ilicifolia LeRoy Gross, Pam DeVries, Melinda Elster 2014-5-21 6492 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
  UC2026916  Rhaponticum repens David Keil 1984-7-20 18305 San Luis Obispo Just E of Foothill Road along Los Osos Valley Road Comment
  UC454752  Rhus trilobata I. J. Condit 1910-3-28 San Luis Obispo Pozo to La Panza Comment
  CAS-BOT-BC92483  Ribes aureum var. gracillimum R. F. Hoover 1965-3-12 9335 San Luis Obispo Santa Lucia Range. 4 miles west of Templeton. Comment
  OBI58218  Ribes californicum David J. Keil 1998-8-24 28031 San Luis Obispo Los Padres National Forest, N of Rock Front Ranch along route to Big Rocks. 579 Comment
  JEPS97634  Ribes californicum var. californicum Annetta M. Carter, Helen Sharsmith, Florence Little 1936-4-11 1105 San Luis Obispo Porter Ranch on Alamo Creek, a tributary of Cuyama (Santa Maria) River. 13 mi. from Santa Maria. Comment
  UC11532  Ribes divaricatum var. pubiflorum Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  OBI14045  Ribes indecorum Robert F. Hoover 1964-1-19 8627 San Luis Obispo Lower Coon crk, San LUis Range Comment
  CAS-BOT-BC94997  Ribes malvaceum R. C. Wenk 2007-4-15 637 San Luis Obispo Along Pozo Raod, about 10 miles west from its intersection with Highway 58, near Pozo road summit 762 Comment
  OBI14055  Ribes malvaceum Robert F. Hoover 1966-1-18 9732 San Luis Obispo Los Osos Comment
  UC455592  Ribes malvaceum unknown San Luis Obispo Prefumo Canyon Comment
  CAS-BOT-BC168973  Ribes malvaceum Ernest C. Twisselmann 1956-2-9 2505 San Luis Obispo York Mountain, Santa Lucia Range 274 Comment
  OBI14050  Ribes malvaceum Robert F. Hoover 1947-1-6 6592 San Luis Obispo Above head of See Cyn, San Luis Range Comment
  CAS-BOT-BC212803  Ribes menziesii R. F. Hoover 1947-1-26 6603 San Luis Obispo Osos Valley Comment
  OBI14040  Ribes menziesii Robert F. Hoover 1947-2-8 6609 San Luis Obispo Pettitt Cyn (Sycamore Cyn of USGS map) San Luis Range Comment
  RSA0021748  Ribes menziesii var. hystrix C. M. Belshaw 1936-3-25 1721 San Luis Obispo 1.5 miles S of Los Osos Valley Forks - Clark Valley. 305 Comment
  SBBG119076  Ribes quercetorum M. Wetherwax, E. Painter 2001-2-21 CR 135 San Luis Obispo top of ridge above palisades above Nacimiento River, S of Boy Scout Rd; Camp Roberts 260 Comment
  UC1127600 Image available Ribes sanguineum var. glutinosum C. M. Belshaw 1936-3-22 1686 San Luis Obispo 1 1/2 mi ssw Loma Pelona Hill; Nipomo Quadrangle Comment
  UC52199  Ribes sanguineum var. glutinosum Mrs. R. W. Summers San Luis Obispo Comment
  CAS-BOT-BC144722  Ribes sanguineum var. glutinosum Mrs. R. W. Summers 1885-1-21 288 San Luis Obispo Coast Hills near S. Ls. Obispo Comment
  OBI14062  Ribes sanguineum var. glutinosum B. A. Smith 1966-4-16 47 San Luis Obispo Cerro Alto Campground Comment
  RSA128752  Ribes sericeum Clare B. Hardham 1959-2-1 4031 San Luis Obispo V2 Ranch, York Mountain, west of Templeton Comment
  UC73098  Ribes speciosum Miss C. B. Churchill May 1901 San Luis Obispo Adelaide Comment
  CAS-BOT-BC173766  Ribes speciosum F. V. Coville; R. Bacigalupi 1925-4-14 155 San Luis Obispo 1/2 mi. south of Arroyo Grande Comment
  OBI3232  Ribes speciosum Kathy Thom 1971-5-10 10 San Luis Obispo 1335 Foothill Blvd, SLO 91 Comment
  SD220048  Rorippa nasturtium-aquaticum Mark A. Elvin, Lynne Dee Althouse 2006-5-25 4919 San Luis Obispo Central Coastal Foothills; above Arroyo Grande, Old Oak Park Road across from 1620. 99 Comment
  OBI14964  Rorippa palustris subsp. palustris Robert F. Hoover 1966-5-14 9852 San Luis Obispo Oso Flaco Lake Comment
  CAS-BOT-BC152864  Rubus parviflorus Ernest C. Twisselmann 1959-4-10 5031 San Luis Obispo See Canyon, near the summit 259 Comment
  CAS-BOT-BC152865  Rubus parviflorus Ernest C. Twisselmann 1959-4-10 5031 San Luis Obispo See Canyon, near the summit 259 Comment
  CAS-BOT-BC156991  Rubus ursinus Ernest C. Twisselmann 1959-4-10 5039 San Luis Obispo Irish Hills: Perfumo Canyon 106 Comment
  UCSB18181  Rubus ursinus Copeland, Jerry 1964-5-2 San Luis Obispo 5 feet W of Lopez Canyon Road, 9.3 miles from U.S. Highway 101, E of Arroyo Grande Comment
  OBI30873  Rumex acetosella Julie M. Vanderwier 1978-5-28 58 San Luis Obispo Indian Knob tar Sands Comment
  UC1136206  Rumex acetosella N. K. Carlson 1936-3-19 171 San Luis Obispo 0.9 mi se Callender; Arroyo Grande Quad. 45 Comment
  CAS-BOT-BC422068  Rumex acetosella John Thomas Howell 1964-6-29 40818 San Luis Obispo Near St. Paul's Episcopal Church, Cambria Comment
  OBI19511  Rumex conglomeratus David J. Keil, V. L. Holland 1979-5-30 13103 San Luis Obispo Just outside of San Luis Obispo city limit on E side of Orcutt Rd Comment
  OBI42783  Rumex conglomeratus David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel, Richard Pimentel, Linda Seek, et al 1982-5-8 15990 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
  OBI11924  Rumex crispus Kamran Alavi 1977-8-17 8 San Luis Obispo Between Baywood Park and Montana de oro Comment
  OBI10831  Rumex fueginus Robert F. Hoover 1947-7-18 7313 San Luis Obispo Oceano Beach Comment
  OBI48039  Rumex pulcher David J. Keil 1981-5-16 14661 San Luis Obispo Area around Arroyo de la Cruz near its crossing of Calif hwy 1 Comment
  OBI10821  Rumex salicifolius Robert F. Hoover 1964-6-6 8977 San Luis Obispo Los Osos Comment
  OBI81483  Ruppia cirrhosa Mark Elliott 1979-5-4 134 San Luis Obispo 9 miles SE of Jct. Calif. 58 along Soda Lake Rd. Soda Lake. Interior drainage of Carrizo Plains. 549 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
  OBI66182  Sagina apetala D. R. Miller 1999-4-28 499 /708 San Luis Obispo On patio at Egeberg Main cabin, San Simeon Crk drainage 549 Comment
  OBI42162  Salix Dan Harrington 1984-3-6 39 San Luis Obispo Reservoir cyn, off hwy 1, 2 mi N of San Luis Obispo Comment
  CAS-BOT-BC103250  Salix bonplandiana Grant 1903-4-30 5377 San Luis Obispo Shandon Comment
  CAS-BOT-BC103271  Salix bonplandiana Ernest C. Twisselmann 1969-8-23 15934 San Luis Obispo Spring in the San Andreas Fault at the summit of Choice Valley 701 Comment
  OBI59591  Salix breweri David J. Keil 1999-5-3 28306 San Luis Obispo Outskirts of San Luis Obispo. Hills above end of Lizzie Street. Comment
  OBI75778  Salix exigua David J. Keil, with Kathleen A. Keil 2003-3-29 30099 B San Luis Obispo Shell Creek area, ca. 0.5 miles north of jubction with Highway 58 Comment
  OBI78733  Salix exigua Michael Walgren 2013-9-13 334 San Luis Obispo Creek bed of San Carpoforo Creek west of Highmway One 38 Comment
  OBI28141  Salix exigua Rick Frelinger 1982-5-8 49 San Luis Obispo Salinas river 15 mi N of Atascadero, adj to US hwy 101 Comment
  SBBG102612  Salix laevigata C. F. Smith 1951-4-19 3049 San Luis Obispo St Hwy 1, Black Lake Cyn, Nipomo Mesa Comment
  POM98662  Salix laevigata Philip A. Munz 1925-3-25 9238 San Luis Obispo Morro. Comment
  UC1953276  Salix laevigata D. R. Miller 2005-4-1 405 .787 San Luis Obispo Pine Mt Region. Along Tobacco Creek near first crk crossing on flats Comment
  CDA13955  Salix lasiolepis G. F. Hrusa, D. Ragan 1997-8-1 14078 San Luis Obispo South Coast Ranges; Los Padres National Forest; upper Water Canyon on E side of Cuesta Ridge SE of Cuesta Pass. Comment
  OBI36889  Salix lasiolepis Eric Wise 1981-6-30 874 San Luis Obispo Mud Lake of Dune Lakes Comment
  SD40225  Salix lasiolepis Edith A. Purer 1940-8-2 7984 San Luis Obispo Sand dunes, Oso Flaco Lake NW of Guadalupe Comment
  OBI37322  Salix lasiolepis Eric Wise 1983-2-24 1654 -b San Luis Obispo 1.3 mi N of Bee Rock Store near Lake Nacimiento Comment
  OBI37332  Salix lasiolepis Eric Wise 1981-6-26 720 San Luis Obispo Arroyo Laguna. 15.2 mi S of Monterey Border 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
  CAS-BOT-BC124820  Salix lasiolepis var. lasiolepis W. R. Dudley 1902-4-5 s.n. San Luis Obispo Above Avila Comment
  UC454856  Salpichroa origanifolia I. J. Condit May 1910 San Luis Obispo C. P. S. grounds; on lath house roots from Mrs. Eastman Comment
  CDA21596  Salsola gobicola David J. Keil 1998-10-9 28190 R San Luis Obispo Just north of junction of Elkhorn Road and Soda Lake Road at south end of Carrizo Plain. Wash channel at road. 0 Comment
  RSA770019  Salsola gobicola David J. Keil 1998-10-9 28190 San Luis Obispo Just north of junction of Elkhorn Road and Soda Lake Road, at south end of Carrizo Plain. Comment
  CAS-BOT-BC180659  Salsola tragus Ernest C. Twisselmann 1954-7-18 1435 San Luis Obispo Choice Valley, 1 1/2 miles east of Palo Prieta Summit - Temblor Range and the Western San Joaquin Valley 594 Comment
  RSA769873  Salsola tragus David J. Keil 1998-10-9 28190 San Luis Obispo Just north of junction of Elkhorn Road and Soda Lake Road, at south end of Carrizo Plain. Comment
  CHSC46059  Salvia carduacea L. P. Janeway 1988-4-16 2636 San Luis Obispo Bottom of side cyn on E side of Shedd Cyn, ca 3.0 mi S of Creston-Shandon Rd (hwy 41). 381 Comment
  OBI78262  Salvia carduacea Craig Woods 1978-5-23 57 San Luis Obispo E side of Carrizo Plain along Sim. Soda lake rd, approx 2.5 mi NW of Hurricane rd 762 Comment
  RSA6320  Salvia carduacea Frank Hatch 1932-4-4 s.n. San Luis Obispo Pala Prieta, Bitterwater Valley Comment
  RSA66857  Salvia carduacea P. A. Munz 1951-4-13 16302 San Luis Obispo San Juan Creek, at crossing of State Highway 178. 610 Comment
  UCD125488  Salvia carduacea Gordon J. Pilone 1963-5-4 272 San Luis Obispo San Luis Obispo County: 1/2 mile south west of Sea Back Ranch. Coast Range Mountains, Soda Lake Drainage Area. Comment
  OBI31155  Salvia mellifera Julie M. Vanderwier 1978-5-5 6 San Luis Obispo Indian Knob Tar Sands Comment
  OBI3962  Salvia mellifera Elizabeth Rudd 1971-4-24 220 San Luis Obispo 3 mi NE of Santa Margarita Comment
  RSA515304  Salvia mellifera G. R. Ballmer 1989-5-21 s.n. San Luis Obispo Cuesta Ridge Botanical Preserve area. Comment
  RSA123260  Salvia sonomensis A. D. Gifford 1937-4-29 819 San Luis Obispo 1 mile WNW of New District School 534 Comment
  RSA128085  Salvia sonomensis Clare B. Hardham 1958-4-10 3041 San Luis Obispo York Mt. west of Templeton Comment
  OBI13517  Salvia spathacea Fred Rush Jun-56 115 San Luis Obispo Mt SLO Comment
  OBI28151  Salvia spathacea M. A. Glass 1980-5-3 31 San Luis Obispo Ecological Study Area, Calif Polytechnic State Univ, San Luis Obispo 91 Comment
  OBI31150  Salvia spathacea Julie M. Vanderwier 1978-5-11 29 San Luis Obispo Indian Knob Tars Comment
  UC1124883  Salvia spathacea G. T. Nordstrom 1937-5-3 1168 San Luis Obispo 2.2 mi n Oakdale School; Adelaida Quad. 365 Comment
  OBI8156  Salvia spathacea Lynne D. Althouse 1977-4-16 44 San Luis Obispo Wolfe's Horse ranch near San Luis High School 130 Comment
  SEINET3928260  Salvia spathacea Hannah M. Fugle 2011-1-29 12 San Luis Obispo Dairy Creek, Ca. 2.6 miles from Loma Vista Community School. 100 feet north of Dairy Creek, ca. 300 ft. elevation.; 0 91 Comment
  UC177261  Salvia spathacea E. Palmer Jun 1876 San Luis Obispo San Luis Obispo Region Comment
  UC1125316  Sambucus mexicana P. L. Johannsen 1937-5-19 1145 San Luis Obispo 1 3/4 mi s Temblor Ranch; McKittrick Quadrangle 914 Comment
  OBI78857  Sambucus nigra David J. Keil 2013-8-29 31996 San Luis Obispo Morro Bay State Park. Northeast of east end of Santa Ysabel Ave on slope south of Los Osos Creek 15 Comment
  OBI3963  Sambucus nigra subsp. caerulea Elizabeth Rudd 1971-4-26 247 San Luis Obispo 3 mi NE of Santa Margarita 396 Comment
  OBI8788  Sanicula arctopoides Robert F. Hoover 1947-3-8 6657 San Luis Obispo San Simeon Comment
  OBI75013  Sanicula arguta Michael Walgren 2011-2-12 196 San Luis Obispo Private propoerty onEastern boundary of Morro Bay State Park 182 Comment
  RSA139918  Sanicula arguta Clare B. Hardham 1960-4-2 5330 San Luis Obispo Green Valley near Cambria. 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
  OBI64404  Sanicula bipinnata David J. Keil 2001-3-28 29197 San Luis Obispo Diablo Range, Avenal Ridge. Cottonwood Pass along Highway 41, 1.1 mile west of Kern County line. 597 Comment
  SBBG117529  Sanicula bipinnata M. Wetherwax, E. Painter 2000-4-19 CR 33 San Luis Obispo near W Perimeter Rd, ca. 1.5 air km NW of intersection with Generals Rd; Camp Roberts 250 Comment
  UC1051416  Sanicula crassicaulis Lincoln Constance, Richard W. Holm and Carroll E. Wood Jr. 1949-4-24 3275 San Luis Obispo 9 mi n of San Simeon (Arroyo de la Cruz); Arroyo de la Cruz 152 Comment
  OBI33336  Sanicula crassicaulis David J. Keil 1982-3-20 15770 San Luis Obispo San Luis Range in Irish Hills along dirt road leading from See Canyon road to Hibberd Preserve Comment
  RSA20407  Sanicula crassicaulis Roxana S. Ferris, Ruth P. Rossbach 1938-5-12 9435 San Luis Obispo 8 miles east of Santa Margarita on Mountain Road near its junction with State Highway 178 Comment
  OBI8873  Sanicula hoffmannii Robert F. Hoover 1947-5-14 7171 San Luis Obispo Steiner Crk ("Serrano Cyn") Comment
  UC1127650  Saxifraga californica G. T. Nordstrom 1937-3-23 1011 San Luis Obispo 1.6 mi ese of Chimney Rock 304 Comment
  POM265141  Saxifraga californica I. L. Wiggins 1929-4-13 3456 San Luis Obispo North end of Cuesta Grade. Comment
  CAS-BOT-BC239947  Schismus arabicus Roxana S. Ferris 1955-5-24 12821 San Luis Obispo Cuyama Valley E of Cuyama on State Highway 166 ca. 1.5 mi. NW of junction with U. S. Highway No. 399 Comment
  OBI22194  Schismus arabicus Robert F. Hoover 1949-4-21 7613 San Luis Obispo Just E of San Juan river on Rd from La panza to Simmler Comment
  OBI63022  Schismus arabicus David J. Keil 2001-4-13 29296 San Luis Obispo Highway 58, ca. 1 road mile east of San Juan Creek bridge Comment
  RSA0021795  Schoenoplectus acutus var. occidentalis David J. Keil 2012-7-26 31478 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. 0 Comment
  OBI43536  Schoenoplectus americanus Eric Wise 1981-5-14 311 San Luis Obispo Sweet Springs marsh. NW of 4th and Ramona, Los Osos Comment
  OBI22598  Schoenoplectus americanus Robert F. Hoover 1964-7-11 9164 San Luis Obispo Edna marsh Comment
  RSA175163  Schoenoplectus californicus Robert F. Thorne, Percy C. Everett 1962-10-3 31399 San Luis Obispo Near Oso Flaco Lake. 5 Comment
  OBI5526  Schoenoplectus californicus Sharon Jochums 1974-4-28 148 San Luis Obispo Area W of Hwy 1 near mouth of Arroyo de la Cruz Comment
  CAS-BOT-BC111768  Schoenoplectus pungens var. badius D. E. Breedlove 1962-8-7 4091 San Luis Obispo On the shore of Oso Flaco Lake, 3 miles north of Guadalupe. Comment
  CDA15752  Scirpus maritimus G. F. Hrusa 1993-5-21 11093 San Luis Obispo Salinas River approx. 2 km. N of Monterey Rd. on E side of river. Comment
  SBBG119101  Scirpus microcarpus E. Painter, M. Wetherwax 1999-11-15 SLO 18 San Luis Obispo Poison Oak Crk, ca. 100 m upstream of fire hydrant 15-16, ca. 2.5 air km NW of Cerro Romualdo, base of ridge W of O'Connor Way, W of Sutter Rd 100 Comment
  SEINET3914845  Scirpus microcarpus George K. Helmkamp 2003-9-19 8144 San Luis Obispo Central Coast: Nipomo Mesa area. Pomeroy Rd, 0.2 mi S of Los Berros Rd. (Oceano 7.5' Q.).; 0 76 Comment
  CAS-BOT-BC111050  Scirpus microcarpus John Thomas Howell 1964-6-29 40753 San Luis Obispo In canyon between Cambria and Protestand Cemetery. Comment
  SBBG48510  Scirpus microcarpus L. W. Edge 1974-6-11 469 San Luis Obispo beside Santa Rita Cyn Rd Comment
  UC56091  Scutellaria tuberosa J. H. Barber 1899-5-7 San Luis Obispo Santa Lucia Mountains Comment
  OBI64188  Scutellaria tuberosa David J. Keil, with Beth Painter, Margriet Wetherwax, Jeff Greenhouse, and Dieter Wilken 2001-4-17 29313 San Luis Obispo Camp Roberts. Palisades area along dirt road Comment
  SBBG118288  Senecio aphanactis E. Painter, M. Wetherwax 2002-2-26 SLO 206 San Luis Obispo W of Chorro Reservoir; Camp San Luis Obispo 200 Comment
  RSA472977  Senecio blochmaniae E. A. Purer 1932-8-27 4785 San Luis Obispo N of Guadalupe. Comment
  UC1392802  Senecio blochmaniae Robert F. Hoover 1969-9-21 11605 San Luis Obispo s end Morro Bay Comment
  UC35942 Image available Senecio blochmaniae Mrs. Blochman 1892-11-1 San Luis Obispo Santa Maria River; ; Santa Maria River, San Luis Obispo Co. Comment
  RSA113167  Senecio breweri Roxana S. Ferris 1955-5-23 12800 San Luis Obispo At summit of Creston-La Panza road. Comment
  OBI33633  Senecio californicus Robert J. Rodin 1972-3-29 8619 San Luis Obispo Stabilized sand S of Oso Flaco in Nipomo Dunes Comment
  UC53836  Senecio californicus Mrs. R. W. Summers 1886-2-21 San Luis Obispo Arroyo Grande Comment
  UCR161956  Senecio vulgaris George K. Helmkamp, E. A. Helmkamp 2005-3-1 9004 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
  CAS-BOT-BC364620  Senecio vulgaris Clare B. Hardham 1957-3-25 1562 San Luis Obispo Santa Lucia Mountains. Oak Flat Comment
  OBI59116  Setaria verticillata David J. Keil 1998-9-4 28109 San Luis Obispo Shandon. Comment
  OBI72799  Sherardia arvensis D. R. Miller 2010-5-7 510 .911 San Luis Obispo Rocky Butte/Pine Mt Region. Next to rd cut at Cline Cabin, Tobacco Crk drainage 520 Comment
  UC1124976  Sidalcea malviflora subsp. laciniata C. M. Belshaw 1936-3-23 1704 San Luis Obispo 1.9 mi sw Hollister Park; Cayucos Quad. Comment
  UC138305 Image available Sidalcea malviflora var. sparsifolia Alice Eastwood 1896-5-6 San Luis Obispo Cuyama Caliente Cr, Caliente Cr. Near the boundary between Santa Barbara and San Luis Obispo Counties, Calif. Comment
  OBI19450  Silene antirrhina Robert F. Hoover 1947-4-2 6867 San Luis Obispo Upper Arroyo Grande 6 mi above County park Comment
  OBI19196  Silene coniflora David J. Keil 1979-5-13 13081 San Luis Obispo Santa Lucia mts along Cuesta Ridge Rd about 2 mi below Cuesta Botanical Area Comment
  UCR123181  Silene gallica George K. Helmkamp, E. A. Helmkamp 1998-5-19 3884 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-BC174938  Silene laciniata Clare B. Hardham 1960-6-17 6177 San Luis Obispo Cambria. Santa Lucia Mountains Comment
  OBI59925  Silene laciniata subsp. laciniata G. F. Hrusa 1995-5-29 12324 San Luis Obispo Cuesta Ridge West. NW of Cuesta Pass approx 1 m NW of US 101 500 Comment
  OBI19462  Silene laciniata subsp. laciniata J. B. Carstens 1966-5-22 54 San Luis Obispo 3 mi N of Avila Beach Rd on See Cyn Rd Comment
  CAS-BOT-BC175189  Silene verecunda Mary Strong Clemens 1921-10-4 s.n. San Luis Obispo Santa Lucia Pk. Comment
  CAS-BOT-BC74984  Sinapis arvensis John Thomas Howell 1964-6-30 40884 San Luis Obispo Cambria. Comment
  CDA16824  Sisymbrium irio G. F. Hrusa, L. Saslaw 2001-4-12 15761 San Luis Obispo Carrizo Plain; Drainage immed. W of KCL Camp entrance. Comment
  RSA0024943  Sisymbrium irio Greg Wilvert 2005-4-30 345 San Luis Obispo Along Padrones Canyon Road. 864 Comment
  UCR67846  Sisymbrium irio David J. Keil, Lynne Dee Oyler, Rick Oyler 1986-5-17 19472 San Luis Obispo South Coast Range, Santa Margarita Ranch. 3.6 mi. south of Santa Margarita along ranch road, east base of Santa Lucia Mountains Comment
  OBI39506  Sisymbrium officinale David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel, Richard Pimentel, Linda Seek, et al 1982-5-8 15988 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
  OBI57221  Sisymbrium orientale David J. Keil 1998-6-5 27628 San Luis Obispo Carrizo Plain. Selby Rd., 1.6 miles SE from junction with Soda Lake Rd. Comment
  SBBG104207  Sisymbrium orientale M. D. Proctor, E. A. Young 1993-4-12 ROB 393 San Luis Obispo 1 km SW of Ranch House on Nacimiento Rd; Camp Roberts Comment
  OBI20118  Sisyrinchium bellum Gary Howard 1971-5-15 s.n. San Luis Obispo 6 mi W of Templeton Comment
  OBI4330  Sisyrinchium bellum William Lester 1969-4-16 152 San Luis Obispo Just N of the Cuesta Grade summit rd 610 Comment
  OBI79308  Sisyrinchium bellum David J. Keil, with Matt Ritter, Mike Simpson, David Chipping, Heath Bartosh, & Taylor Crow 2013-5-2 31693 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
  SD244541  Sisyrinchium californicum David Keil, Kathleen Keil 2001-3-3 29164 San Luis Obispo 1.8 miles north of Arroyo de la Cruz along California Route 1. Coastal terrace west of road. Comment
  OBI28275  Solanum douglasii Rick Frelinger 1982-5-10 77 San Luis Obispo San Luis Crk in Reservoir Cyn, San Luis Obispo Comment
  SD90245  Solanum douglasii Benjamin C. Stone September 1952 216 San Luis Obispo Morro Bay State Park 75 Comment
  OBI80301  Solanum rantonnetii Cristian Baez, Daniel Kahan and Kellen Salluce 2014-11-14 1 San Luis Obispo Santa Rosa Park, San Luis Obispo. Cultivated grass area, near parking lot in semi-residential area 71 Comment
  CAS-BOT-BC156433  Solanum umbelliferum C. B. Hardham 1959-5-23 4645 San Luis Obispo South end of Morro Bay Comment
  CAS-BOT-BC157496  Solanum umbelliferum R. F. Hoover 1948-3-4 7426 San Luis Obispo Hazard Canyon Comment
  SBBG70620  Solanum umbelliferum R. Hoffmann 1927-10-14 San Luis Obispo Alamo Crk, Cuyama River Comment
  CAS-BOT-BC156846  Solanum umbelliferum C. B. Hardham 1959-5-19 4564 San Luis Obispo Las Tablas Creek near 7 X Ranch house Comment
  RSA79877  Solanum umbelliferum M. Stason, F. Brubaker 1930-4-14 8941 San Luis Obispo Pozo Mts. between Santa Margarita and McKittrick Comment
  UCR122553  Solanum xanti George K. Helmkamp 2002-4-20 7454 San Luis Obispo Central Coast, Los Osos, 0.2 mile northwest of Monarch Lane 9 Comment
  OBI50386  Solanum xanti Lynne Dee Oyler, David J. Keil 1988-6-23 532 San Luis Obispo Upper Perfumo Cyn Rd near sumit Comment
  SBBG109303  Soleirolia soleirolii C. B. Hardham 1959-9-27 4986 San Luis Obispo Santa Rosa Crk, Cambria Comment
  CAS-BOT-BC365527  Solidago elongata R. F. Hoover 1947-10-11 7408 San Luis Obispo Arroyo de la Cruz near ocean Comment
  CDA17589  Solidago spathulata subsp. spathulata A. Griffiths 1981-11-7 s.n. San Luis Obispo Montana de Oro State Park; Along path leading down from East Hazard Canyon trail loop, just below brow of ridge S of Hazard. Comment
  HSC91764  Solidago velutina subsp. californica Susan H. Bicknell 1989-8-6 San Luis Obispo Montano de Oro MDO 27 Comment
  OBI6638  Solidago velutina subsp. californica Greg Hassen 1975-8-28 58 San Luis Obispo Poly Cyn, On N slope along eroded ditch above path Comment
  OBI73093  Soliva sessilis David J. Keil, with Michael Curto and V. L. Holland 2000-5-10 28665 San Luis Obispo Campus of California Polytechnic State University, San Luis Obispo. Poly Canyon Comment
  UC1070269  Soliva sessilis N. K. Carlson 1936-3-25 219 San Luis Obispo .1 mi n Goldtree; San Luis Obispo Quad. 182 Comment
  UC91169  Soliva sessilis K. Brandegee June 1888 San Luis Obispo San Simeon Comment
  CAS-BOT-BC365916  Soliva sessilis John Thomas Howell 1964-6-29 40832 San Luis Obispo Near St. Paul's Episcopal Church, Cambria Comment
  OBI19045  Soliva sessilis Don Schwartz, Sue Long 1978-5-11 31 San Luis Obispo Morro Bay. End of Suicide Hill rd Comment
  OBI15390  Sonchus asper Robert F. Hoover 1964-5-15 8900 San Luis Obispo On coast S of San Carpoforo Crk Comment
  OBI38069  Sonchus asper David J. Keil, Kathryn Bay and Rich Ferguson 1984-4-28 18154 San Luis Obispo Amer Cyn area in La Panza Mts Comment
  OBI15387  Sonchus oleraceus Betty Sheehan 1957-10-11 19 San Luis Obispo Cal Poly Campus, Science bldg Comment
  OBI79533  Sparganium eurycarpum David J. Keil 2012-7-18 31440 San Luis Obispo Oceano. Arroyo Grande Creek just south of Oceano Airport and sewage treatment plant (Strand Way) 5 Comment
  OBI17393  Spergula arvensis R. R. LaBelle 1967-4-2 8 San Luis Obispo Laguna Lake, N side Comment
  RSA0098753  Spergularia macrotheca Henry J. Ramsey, Henry J. Ramsey 1940-4-21 s.n. San Luis Obispo Cambria. Comment
  CAS-BOT-BC390440  Spergularia macrotheca var. macrotheca Alice Eastwood; John Thomas Howell 1938-6-15 5966 San Luis Obispo Between Cambria and San Simeon Comment
  RSA0098756  Spergularia macrotheca var. macrotheca George K. Helmkamp 2004-2-10 8268 San Luis Obispo Central Coast: SE of Oceano along Halcyon Rd., 0.2 miles E of Mesa View Dr. 76 Comment
  UCR123157  Spergularia macrotheca var. macrotheca George K. Helmkamp, E. A. Helmkamp 2002-4-16 7410 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  UCR91822  Spergularia macrotheca var. macrotheca George K. Helmkamp 1996-5-24 1041 San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 Comment
  OBI75165  Spergularia marina David J. Keil 2011-4-26 30998 San Luis Obispo Southern fringe of Morro Bay salt marsh north of intersection of Pecho Road with Binscarth Road, Los Osos 5 Comment
  CAS-BOT-BC390913  Spergularia marina Alice Eastwood; John Thomas Howell 1938-6-15 5987 San Luis Obispo Piedras Blancas Comment
  RSA0048621  Spergularia marina A. L. Haines 1973-5-19 s.n. San Luis Obispo E. shore of Morro Bay. 1 Comment
  JEPS114143  Spergularia rubra E. L. Painter, M. Wetherwax, T. Morosco 2001-4-26 CR- 223 San Luis Obispo Camp Roberts. Disturbed road through Training Area O; SW of junction of Tower and C-25 Roads. Comment
  NY804138  Sphacele blochmaniae A. Eastwood 1902-6-10 s.n. San Luis Obispo Between Pozo and La Panza. Comment
  NY42952  Stachys bullata J. B. Walker 1995-4-14 1342 San Luis Obispo E of Nipomo, along Hwy 166, just E of Suey Creek Rd 200 Comment
  SBBG108051  Stachys bullata C. B. Hardham 1956-4-26 527 San Luis Obispo Delaganna Ranch Comment
  RSA0051603  Stachys bullata W. M. Arbaugh 1968-3-20 158 San Luis Obispo Top of Sea Canyon in Coastal Range. Comment
  OBI58158  Stachys pycnantha David J. Keil 1998-7-2 27905 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
  SBBG107286  Stachys pycnantha C. B. Hardham 1958-9-2 3912 San Luis Obispo Stenner Crk near San Luis Obispo Comment
  SBBG119410  Stachys pycnantha M. Wetherwax, E. Painter 1999-11-15 SLO 17 San Luis Obispo Poison Oak Crk, ca. 2.5 air km NW of Cerro Romualdo, base of ridge W of O'Connor Way, W of Sutter Rd 100 Comment
  JEPS99322  Stachys pycnantha Clare B. Hardham 1957-8-23 2521 San Luis Obispo headwaters of Old Creek, Santa Rita Road Sant Lucia Mountains Comment
  CAS-BOT-BC60937  Stanleya pinnata Ernest C. Twisselmann 1951-1-1 229 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Lower Associated Canyon, Carissa Plain. Comment
  OBI14947  Stanleya pinnata Robert J. Rodin 1962-6-9 6887 San Luis Obispo Cuyama Valley along Cuyama Crk by bridge 43 mi E of Hwy 101 Comment
  OBI3932  Stebbinsoseris heterocarpa Patricia Wiese 1971-5-31 76 b San Luis Obispo Fuelbreak in Cuesta Ridge Botanical aRea. 2 mi NW of Cuesta Pass 762 Comment
  RSA0106590  Stebbinsoseris heterocarpa R. C. Wilson 1938-4-8 508 San Luis Obispo 1.5 miles east of Nacimiento Ranch 534 Comment
  OBI40974  Stellaria media David J. Keil, Dirk Walters 1986-5-2 19343 San Luis Obispo Santa Lucia Mts just N of San Luis Obispo in Reservoir Cyn 305 Comment
  OBI75016  Stellaria media Michael Walgren 2011-2-17 199 San Luis Obispo Sweet Springs Preserve in Los Osos Comment
  OBI34282  Stellaria media David J. Keil, V. L. Holland, C. D. Hynes, R. Gambs, and M. Borchard 1982-3-24 15790 San Luis Obispo Vicinity of Amer Cyn in the La Panza Mts. T30S, R16E, sects 28, 32, 33 Comment
  SBBG36273  Stephanomeria cichoriacea C. B. Hardham 1957-10-20 2683 San Luis Obispo Pine Mtn Comment
  UCR118948  Stephanomeria cichoriacea George K. Helmkamp, E. A. Helmkamp 2000-9-2 5967 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  CAS-BOT-BC375162  Stephanomeria cichoriacea R. F. Hoover 1964-8-13 9210 San Luis Obispo Santa Lucia Range. San Bernardo Creek, north slope Comment
  CAS-BOT-BC375267  Stephanomeria elata Chester Dudley 1936-7-1 s.n. San Luis Obispo Morro Comment
  OBI15405  Stephanomeria elata Robert F. Hoover 1965-8-1 9501 San Luis Obispo Valley W of Mt. Bishop Comment
  OBI31096  Stephanomeria elata Julie M. Vanderwier 1978-10-26 90 San Luis Obispo Indian Knob Tar Sands Comment
  SBBG93844  Stephanomeria elata S. A. Junak 1990-7-13 4416 San Luis Obispo near N edge of Cuesta Ridge Botanical Area, powerline access rd, between first and second high voltage tower E of Cuesta Ridge Rd, ca. 1.3 rd mi S of Tassajera Crk Rd 548 Comment
  SBBG25511  Stephanomeria exigua subsp. carotifera L. E. Allen 1966-8-24 San Luis Obispo Oso Flaco Lake Comment
  SBBG42931  Stephanomeria exigua subsp. carotifera L. D. Gottlieb 1969-9-22 6932 San Luis Obispo N of Oso Flaco Lake Comment
  UC1394160  Stephanomeria exigua subsp. carotifera L. D. Gottlieb 1970-9-21 7080 San Luis Obispo 6.5 mi sw Shandon (Rt 41) Comment
  CAS-BOT-BC375298  Stephanomeria exigua subsp. carotifera R. F. Hoover 1966-10-1 10095 San Luis Obispo Upper Arroyo Grande opposite Routzahn [Routzhan] County Park Comment
  OBI15431  Stephanomeria exigua subsp. carotifera Robert F. Hoover 1966-9-12 9977 San Luis Obispo Just N of Hidden Valley Hot Springs Comment
  OBI65853  Stephanomeria exigua subsp. carotifera D. R. Miller 1994-8-5 894 -519 San Luis Obispo Pine Mtn Region. On rd cut at Gee's spirng rd jctn from rd down to property. Tobacco Crk drainage 800 Comment
  UC1392627  Stephanomeria exigua subsp. coronaria R. F. Hoover 1969-9-9 11575 San Luis Obispo 4 mi w Paso Robles (on road to Nacimiento Dam) Comment
  OBI15421  Stephanomeria pauciflora Robert F. Hoover 1946-10-13 6490 San Luis Obispo E edge of Cuyama Valley near Kern Co line Comment
  CAS-BOT-BC375704  Stephanomeria runcinata Ernest C. Twisselmann 1958-11-7 4952 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Region: Salt Canyon 548 Comment
  CAS-BOT-BC375705  Stephanomeria runcinata Ernest C. Twisselmann 1953-12-12 829 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Chris Twisselmann Ranch: 7 miles south of Cholame, eastern San Luis Obispo County. (Summit of Palo Prieta Pass) 640 Comment
  CAS-BOT-BC375903  Stephanomeria virgata Ernest C. Twisselmann 1957-11-2 4112 San Luis Obispo Morro Rock 15 Comment
  SBBG96104  Stephanomeria virgata subsp. pleurocarpa D. Keil 1986-10-13 19782 San Luis Obispo Sweet Springs, on southern shore of Morro Bay Comment
  OBI42140  Stipa cernua David J. Keil, LynneDee Oyler and Rick Oyler 1986-5-17 19470 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
  SD245218  Stipa cernua David J. Keil, Matt Ritter, Mike Simpson, David Chipping, Heath Bartosh, Taylor Crow 2013-5-2 31635 San Luis Obispo Avenales Ranch, south of Pozo. Upper Alamo Creek drainage. 399 Comment
  OBI22247  Stipa cernua McMillan 1952-6-7 142 San Luis Obispo Choice Valley, 2 mi S 10 mi E Shandon Comment
  OBI2567  Stipa cernua Larry E. Brown 1971-6-17 2039 San Luis Obispo Palo Prieto Cyn Comment
  OBI22264  Stipa lepida Robert F. Hoover 1947-5-24 7202 San Luis Obispo Near El Dorado School Comment
  OBI31569  Stipa pulchra Joy Nishida 1982-5-29 400 San Luis Obispo American Cyn, .3 mi S of American Cyn campground Comment
  UC195897  Streptanthus albidus subsp. peramoenus Ira J. Condit June 1912 San Luis Obispo San Carpojo Canyon Comment
  UC1296275  Streptanthus glandulosus subsp. glandulosus R. F. Hoover 1946-6-1 6109 San Luis Obispo on grade e Cambria Comment
  OBI80091  Stuckenia pectinata David J. Keil, Nancy Lagrille, Dieter Wilken, and Mark Skinner 2012-8-28 31510 San Luis Obispo Oceano Dunes State Vehicular Recreation Area. Foredunes and lagoon in vicinity of mouth of Pismo Creek 7 Comment
  SEINET958407  Stuckenia pectinata D. W. Taylor 1970-1 T 70 -118 San Luis Obispo Common at mouth of Los Osos Creek, east side of Morro Bay. Comment
  OBI65025  Stutzia covillei Greg Wilvert 2005-4-6 196 San Luis Obispo SE Half of the Caliente Range. 0.8 km SE of Wells Spring Comment
  OBI15395  Stylocline gnaphaloides Robert F. Hoover 1969-5-3 1299 San Luis Obispo Upper Arroyo Grande Comment
  RSA6919  Stylomecon heterophylla Frank Hatch 1932-4-4 s.n. San Luis Obispo Hillsides near Paso Robles Comment
  CAS-BOT-BC110383  Suaeda californica Ernest C. Twisselmann 1957-11-2 4104 San Luis Obispo South end of Morro Bay, near Baywood Park. 1 Comment
  SBBG43003  Suaeda californica L. W. Edge 1971-10-6 San Luis Obispo Morro Bay State Park Comment
  CDA18910  Suaeda nigra R. Robison 2000-5-28 s.n. San Luis Obispo Central Coast Ranges; Cholame Valley, south of Hwy 41 and Hwy 46 junction. 347 Comment
  OBI59256  Suaeda nigra George Butterworth 1997-11-3 195 San Luis Obispo T31S, R20E, S29. 40 yds S of Simmler rd, 150 yds E of Soda Lake Rd 584 Comment
  SFV16118  Suaeda nigra S. Mason 1995-5-8 58 San Luis Obispo Carrizo Plain Carrizo Plain Natural Area. North side of Panorama Road, 0.7 miles from Soda Lake Road. 610 Comment
  PASA285  Symphoricarpos albus 1928-5-5 San Luis Obispo Along S. Rita Lake Comment
  JEPS35246  Symphoricarpos albus var. laevigatus R. F. Hoover 1946-8-17 6287 San Luis Obispo below Arroyo Grande Creek junction with Lopez Canyon Comment
  CAS-BOT-BC237046  Symphoricarpos mollis Clare B. Hardham 1960-5-21 5839 San Luis Obispo Santa Rita Cr., w. of Templeton, Juhl Rch, Santa Lucia Mountains Comment
  UCSC000765  Symphyotrichum subulatum I. J. Condit 2008-10-3 s.n. San Luis Obispo Laguna Comment
  OBI58474  Systenotheca vortriedei David J. Keil, with Rhonda Riggins and D. R. Miller 1998-5-27 27504 San Luis Obispo Santa Lucia Mountains. Hearst Ranch. San Simeon Creek Rd., 17 road miles from Hwy 1, between Rocky Butte & Burnett Peak (35 deg. 43.568' N x 121 deg. 07.575' W) 732 Comment
  SBBG118252  Taeniatherum caput-medusae J. Thomas 2000-5-9 San Luis Obispo Avery Exclosure, ca. 150 m SE of jct of Avery and Bivouac Rds; Camp Roberts 200 Comment
  RSA0021501  Tamarix parviflora David J. Keil, V. L. Holland 2013-4-16 31583 San Luis Obispo Templeton. Just south of Templeton Hills Road, just west of US 101 freeway. 255 Comment
  CDA41089  Tauschia hartwegii J. Hunter May 1994 s.n. San Luis Obispo Black Butte Research Natural Area, Los Padres National Forest, Cuesta Ridge East. 0 Comment
  OBI28323  Thalictrum fendleri Lori Blain 1982-5-9 20 San Luis Obispo 2 mi S on Clark Valley Rd along Los Osos Crk 305 Comment
  OBI12732  Thermopsis californica var. californica Robert F. Hoover 1964-7-9 9136 San Luis Obispo 5 mi W of Pozo Comment
  CAS-BOT-BC66624  Thysanocarpus curvipes Alice Eastwood; John Thomas Howell 1935-3-25 2046 San Luis Obispo West side of Cottonwood Pass. Comment
  CAS-BOT-BC66636  Thysanocarpus curvipes R. F. Hoover 1967-3-5 10246 San Luis Obispo Upper Arroyo Grande. Comment
  UCR163897  Thysanocarpus curvipes George K. Helmkamp, E. A. Helmkamp 2005-3-30 9257 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
  CDA25260  Thysanocarpus laciniatus G. D. Barbe, J. L. Johnson 1973-3-13 1135 San Luis Obispo Bishop Canyon Road (See Canyon) north of Avila Beach. 0 Comment
  UC455238  Thysanocarpus laciniatus Unangst and Roadhouse 1906-4-21 45 San Luis Obispo Poly Canyon California Polytechnic School; , Poly Canyon Comment
  CAS-BOT-BC67151  Thysanocarpus laciniatus Alice Eastwood 1927-4-9 14357 San Luis Obispo Cavidas Miossi Ranch. Comment
  OBI57231  Thysanocarpus laciniatus David J. Keil, with Kathleen A. Keil 1998-4-16 26751 San Luis Obispo Los Padres National Forest. 2.3 miles from Park Hill Rd. on Black Mountain Rd. Comment
  RSA8262  Thysanocarpus laciniatus I. L. Wiggins 1932-3-20 5775 San Luis Obispo 2 mi E of Paso Robles. Comment
  UCR160160  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2005-6-9 9560 San Luis Obispo South Coast Ranges, Arroyo Grande to Huasna Road along Arroyo Seco Creek, 5.4 mi northeast of Huasna Township Road. 256 Comment
  RSA128139  Torilis nodosa Clare B. Hardham 1959-4-29 4341 San Luis Obispo Santa Lucia Mountains, Steiner Creek Comment
  CAS-BOT-BC169241  Toxicodendron diversilobum Ernest C. Twisselmann 1969-4-24 15169 San Luis Obispo Santa Ysabel Ranch on the east side of the Salinas river 5 miles south of Paso Robles 213 Comment
  OBI4266  Toxicodendron diversilobum Albert Earl 1971-2-15 24 San Luis Obispo Cuesta Canyon on Old Stage Rd. 1/4 mi from foot of grade 259 Comment
  SBBG133086  Toxicoscordion fontanum D. Keil, T. Teed, M. Uchida 2001-6-15 29565 San Luis Obispo Chorro Crk drainage, Chorro Crk Bog Thistle exclosure; Camp San Luis Obispo 243 Comment
  OBI73528  Tragopogon dubius D. R. Miller & S. G. Ayres, S. G. Ayres 1991-6-12 s.n. San Luis Obispo Along RR tracks at "cushing" (near Garden Farms) Comment
  UC1979380  Tragopogon dubius David Keil with Rhonda Riggins, Richard Pimentel July 13-14, 1998 27914 San Luis Obispo Along railroad tracks from Industrial Way to Tank Farm Road. Comment
  CDA7713  Tragopogon porrifolius David J. Keil 1999-5-27 28357 San Luis Obispo Along Highway 58 in middle of town, Santa Margarita.. 0 Comment
  OBI54901  Trichostema lanceolatum David J. Keil 1996-9-13 26034 San Luis Obispo Along Shell Creek Road, ca. 1/4?3/4 miles n of Hwy 58. Comment
  OBI40301  Trichostema lanceolatum Jerry Copeland 1973-9-22 1032 San Luis Obispo Sierra Madre Rd, 0.3 mi S of hwy 166 Comment
  UC57594  Trientalis latifolia J. H. Barber 1899-5-9 San Luis Obispo Santa Lucia Mountains Comment
  RSA318953  Trifolium Patricia Wilder 1965-4-10 1858 San Luis Obispo Canyon along Tassajara Creek, NW of Cuesta summit. 427 Comment
  CDA13611  Trifolium albopurpureum G. F. Hrusa, O. Pollak, R. Reiner (TNC), J. Willoughby (BLM) 1997-3-12 13641 San Luis Obispo Carrizo Plain; approx. 1/4 m. E of Washburn Ranch adjacent to Ranch access Rd. Comment
  OBI57861  Trifolium albopurpureum David J. Keil 1998-4-30 27005 San Luis Obispo Carrizo Plain. Small sandstone hill 4.2 mi S of junction with 7 Mile Rd. and Soda Lake Rd, 0.2 mi W of Soda Lake Rd, just N of small dirt road. Comment
  OBI75079  Trifolium angustifolium Michael Walgren 2011-4-15 220 San Luis Obispo San Simeon State park Comment
  OBI67009  Trifolium barbigerum D. R. Miller 1994-4-12 494 -190 San Luis Obispo Pine Mt Region. From trl in Almaden flats, near amanda's rock, Pico Crk drainage 853 Comment
  JEPS116202  Trifolium bifidum var. decipiens M. Petroelje 1998-4-21 San Luis Obispo Camp San Luis Obispo. Hillside south of Chorro Creek, LCTA Plot 333. Comment
  OBI42210  Trifolium bifidum var. decipiens David J. Keil, Lynne Dee Oyler 1986-5-21 19525 San Luis Obispo Santa Margarita Ranch. 3.6 mi S of Santa Margarita along ranch rd. E base of Santa lucia mt in area that was locally the E boundary of the Las Pilitas fire of July 1985 Comment
  SBBG118424  Trifolium ciliolatum M. Wetherwax, E. L. Painter 2002-4-21 CR 295 San Luis Obispo Cyn of Sulphur Spring Crk; Camp Roberts 260 Comment
  JEPS65714  Trifolium depauperatum var. amplectens Frank W. Peirson 1925-3-24 5668 San Luis Obispo Morro Creek Divide Santa Lucia Mtns 426 Comment
  UCSB15849  Trifolium depauperatum var. amplectens Breedlove, Dennis 1962-4-6 San Luis Obispo At the southern city limits of Cayucos 30 Comment
  UC338042  Trifolium depauperatum var. hydrophilum Lemmon 1887-1 San Luis Obispo Comment
  UC52179  Trifolium depauperatum var. hydrophilum Mrs. R. W. Summers San Luis Obispo beside; rr Comment
  UC55707  Trifolium depauperatum var. hydrophilum Mrs. R. W. Summers 1886-4-21 San Luis Obispo Comment
  OBI31786  Trifolium depauperatum var. truncatum Smeltzer, Turnquist 1982-4-12 21 San Luis Obispo SE side of Laguna lake park from the roadway over to base of hill Comment
  UCD108393  Trifolium depauperatum var. truncatum P. B. Kennedy 1929-4-11 10188 San Luis Obispo San Luis Obispo County: 5.5 miles from Morro. Comment
  OBI31783  Trifolium fucatum Turnquist, Smeltzer 1982-5-1 90 San Luis Obispo On the NE side of Laguna Lake Park Comment
  OBI67023  Trifolium fucatum D. R. Miller 1994-4-5 494 -161 San Luis Obispo Pine Mt Region. From the front-slopes of the Confluence area, Cyn trl, Pico Crk drainage 732 Comment
  RSA680187  Trifolium gracilentum Scott D. White, Ken McDonald 2001-5-9 8464 San Luis Obispo Central Coast: Price Cyn, inland from Pismo Beach. Union Pacific RR Right of Way, Edna to Pismo Beach. 6 Comment
  SBBG19715  Trifolium gracilentum E. C. Twisselmann 1963-5-6 8139 San Luis Obispo Choice Valley, 1.5 mi E of the summit 640 Comment
  SBBG67193  Trifolium gracilentum M. M. Miles -Feb-1886 San Luis Obispo San Luis Obispo Comment
  RSA201670  Trifolium grayi Robert F. Hoover 1952-4-8 8069 San Luis Obispo Pozo (1 mile W). Comment
  CHSC114045  Trifolium hirtum Richard R. Halse 2012-3-26 8432 San Luis Obispo Along StatHwy 1, ca 1.8 miles north of San Simeon. 21 Comment
  UCSB42983  Trifolium incarnatum Leifer, Laura 1982-4-23 San Luis Obispo Santa Lucia Mountains, 8 miles west on California 46 from Cambria offramp on Highway 101, 10 feet off north side of California 46 365 Comment
  UC1130070  Trifolium macraei N. K. Carlson 1936-3-28 253 San Luis Obispo 0.9 mi ne Atascadero; San Luis Obispo quad 381 Comment
  OBI64803  Trifolium microcephalum George Butterworth 2005-5-13 599 San Luis Obispo Chimineas. 1/4 mi SE of 3-dam, 228748 x 3896349, CHG 50 Comment
  SBBG18793  Trifolium microcephalum C. B. Hardham 1961-4-26 6924 San Luis Obispo Franklin Crk W of Adelaida Comment
  OBI28088  Trifolium microcephalum Unknown 1982-5-9 41 San Luis Obispo N of San Luis Obispo 10 mi 1/4 mi E of CA Rte 101 on CA Rte 58- Santa Margarita. Site to R of Rd; 50 yds from RR tracks Comment
  OBI58081  Trifolium subterraneum David J. Keil 1998-5-18 27297 San Luis Obispo N of Cayucos between Hwy 1 and ocean N of Point Estero. Just S of China Harbor. Comment
  SBBG107890  Trifolium variegatum var. major C. B. Hardham 1971-4-24 18048 San Luis Obispo SW slopes McChesney Peak, Avenales Ranch Comment
  RSA15705  Trifolium variegatum var. melananthum Carl B. Wolf 1929-4-13 3451 San Luis Obispo 1 mile north of Santa Margarita 274 Comment
  CAS-BOT-BC520866  Trillium angustipetalum R. F. Hoover 1967-3-5 10235 San Luis Obispo Lower part of Lopez Canyon Comment
  SBBG107177  Triodanis biflora C. B. Hardham 1959-4-12 4235 San Luis Obispo Cambria Comment
  UCSB52042  Triphysaria eriantha Wiger, J. 1967-4-15 San Luis Obispo 5 feet east of State Highway 1, 9 miles N.W. of San Simeon, 11 miles N.W. of San Luis Obispo 15 Comment
  SEINET13750554  Triphysaria eriantha subsp. rosea R. R. Halse 2012-3-26 8426 San Luis Obispo Along State Hwy. 1, ca. 2.7 miles N of San Simeon, just S of the turnoff to the Hearst Castle; ca. 6 miles N of Cambria 10 Comment
  JEPS35065  Triphysaria micrantha R. F. Hoover 1958-4-11 8442 San Luis Obispo on La Panza Road 18 mi e Creston Comment
  OBI64839