Search Results — 2000 specimen records retrieved (1107 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
  SBBG25642  Abronia latifolia M. A. Piehl 1962-5-23 62292 San Luis Obispo dunes at NW end of Oso Flaco Lake 9 Comment
  UC1136546  Abronia maritima B. Bolt 1936-3-15 626 San Luis Obispo 1 3/4 mi nw Morro; Cayucos Quadrangle Comment
  UC1285088  Abronia pogonantha R. F. Hoover 1952-5-6 8154 San Luis Obispo 6 mi e Creston (on la Panza road) Comment
  UC1285095  Abronia umbellata R. F. Hoover 1946-7-24 6248 San Luis Obispo South end of Morro Bay, just back of beach Morro Bay Comment
  UCR6159  Abronia umbellata C. M. Bringle 1967-3-20 B670320- 28 San Luis Obispo near Lake Laguna on north side of Los Osos Road, at junction with Buckskin Drive. Edge of pavement on W side of Buckskin 91 Comment
  CAS-BOT-BC229440  Abronia umbellata Mary Page Ingalls 1912-7-1 s.n. San Luis Obispo Haynes ranch, San Luis Obispo Comment
  RSA0025965  Abronia umbellata Carl B. Wolf 1929-4-15 3562 San Luis Obispo 2-3 miles inland from Ocean and about 3 miles north of Santa Maria River. 61 Comment
  RSA0025966  Abronia umbellata Robert F. Hoover 1947-7-26 7324 San Luis Obispo Piedras Blancas Point. Comment
  OBI73181  Acacia longifolia Matt Ritter 2010-1-16 5016 San Luis Obispo Steet tree in SLO Comment
  UC639004  Acer macrophyllum Bernard Miossi 1940-3-19 223 San Luis Obispo six mi n San Luis Obispo (n-facing slope at summit of Cuesta Grade); n of San Luis Obispo, summit Cuesta Grade 478 Comment
  OBI79268  Acer negundo David J. Keil 2012-4-1 31239 San Luis Obispo Bob Jones Trail near junction with Ontario Road, west of Highway 101, north of Avila Beach Drive 10 Comment
  OBI79543  Acer negundo David J. Keil 2012-7-18 31434 San Luis Obispo Oceano. Arroyo Grande Creek just south of Oceano Airport and sewage treatment plant (Strand Way) 5 Comment
  SBBG14987  Achillea millefolium E. R. Blakley 1958-8-2 2424 San Luis Obispo Dune Lakes, 4 mi S of Oceano 3 Comment
  UC1133113  Achnatherum coronatum T. M. Hendrix 1939-5-25 1060 San Luis Obispo 1 1/4 mi se Joughin Ranch; Los Padres National Forest, Branch Mt. Quadrangle Comment
  UC564171  Achnatherum speciosum Roxana S. Ferris 1935-3-29 9098 San Luis Obispo 7 mi e on santa Maria-McKittrick Road Pozo Comment
  OBI80454  Acmispon Douglas Platt, Drew Burke, Katie Lange 2015-3-2 3 San Luis Obispo Campus of California Polytechnic State University, graveled trail/road into Poly Canyon towards stone arch. Steep south-facing slope north of Brizzolara Creek. 142 Comment
  SBBG118075  Acmispon americanus J. Clark, M. Petroelje 1998-6-29 San Luis Obispo LCTA Plot 320, Training Area U; Camp San Luis Obispo 300 Comment
  OBI55652  Acmispon brachycarpus David J. Keil 1989-6-3 21221 San Luis Obispo Between Atascadero and Morro Bay along Calif hwy 41; 0.4 mi S of hwy at Cerro Alto campground Comment
  OBI42290  Acmispon brachycarpus David J. Keil, V. L. Holland 1986-5-26 19570 San Luis Obispo Oak Shores dev on N shore of Nacimiento Lake Comment
  SBBG107960  Acmispon brachycarpus C. B. Hardham 1960-4-2 5321 San Luis Obispo Hwy 41, 11 mi E of Cambria 335 Comment
  OBI5542  Acmispon cytisoides Sharon Jochums 1974-4-3 64 San Luis Obispo W of hwy 1, S of Piedras Blancas Point Comment
  OBI42165  Acmispon glaber var. glaber Dan Harrington 1984-2-29 35 San Luis Obispo Grand Ave. entrance to Cal Poly S.U., San Luis Obispo Comment
  OBI56969  Acmispon glaber var. glaber Steven A. Junak, Tina J. Ayers 1989-6-22 4072 San Luis Obispo Cuesta Ridge: Along main road (USFS rd #29S11.3) 1.3 mi W of E boundary sign for the Cuesta Ridge Botanical area, about 4.3 mi W of hwy 101 750 Comment
  OBI51225  Acmispon heermannii var. orbicularis Jan Barber 1994-4-17 153 San Luis Obispo San Simeon State park. E side of footbridge in day-use area Comment
  OBI78047  Acmispon junceus var. junceus Melody Dickens 1980-9-18 44 San Luis Obispo Morro Rock, morro Bay Comment
  OBI67042  Acmispon micranthus David J. Keil, with V. L. Holland 2001-5-24 29485 San Luis Obispo Western outskirts of Atascadero. 3-F Me4adows area, proposed for housing development Comment
  RSA0039774  Acmispon micranthus LeRoy Gross, Pam DeVries, Melinda Elster 2014-5-21 6514 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
  JEPS114121  Acmispon strigosus J. Clark, M. Petroelje 1998-4-22 San Luis Obispo Camp San Luis Obispo. Ca. 2.3 miles N on Chorro Creek Road from California Mens Colony, Training Area X, LCTA Plot 330. Comment
  OBI66350  Acmispon strigosus David J. Keil, with Karen Danielson, Clifton Smith and Jeanette Sainz 1997-5-15 26266 San Luis Obispo Los padres national forest. la panza mountains. fringe of machesna mountain wilderness. ridge along road past castle crags and slopes below to south. area drained by small stream in canyon. 732 Comment
  SBBG118079  Acmispon strigosus J. Clark, M. Petroelje 1998-4-22 San Luis Obispo 2.3 mi N of Chorro Crk Rd from California Mens Colony; Camp San Luis Obispo; LCTA Plot 330 312 Comment
  SBBG96054  Acmispon strigosus D. Keil 1986-4-8 19131 San Luis Obispo BLM land on E side of Santa Margarita Lake Comment
  OBI31102  Acourtia microcephala Julie M. Vanderwier 1979-8-17 190 San Luis Obispo Indian Knob Tar Sands Comment
  OBI70776  Acourtia microcephala David J. Keil 2009-8-17 30631 San Luis Obispo Prefumo Canyon. North side of Prefumo Canyon Road. 35 deg. 15.816'N x 120 deg. 43.568'W 100 Comment
  OBI58675  Adenostoma fasciculatum David J. Keil 1998-3-27 26437 San Luis Obispo Montana de Oro State Park. Slopes W of Valencia Peak burned over in summer 1997 244 Comment
  UC453991  Adenostoma fasciculatum Unangst 1906-5-17 San Luis Obispo Oak Park Comment
  OBI70860  Adenostoma sparsifolium George Butterworth 2009-8-14 730 San Luis Obispo Chimineas; Wounded Knee 3/4 mi N of Yellowjacket corner 713 Comment
  UC1127741  Adenostoma sparsifolium F. H. Raymond 1930-12-1 131 San Luis Obispo head of Trout (Huasna) Creek; Santa Barbara Nat'l Forest, Nipomo Quad. 457 Comment
  SBBG104763  Adiantum jordanii F. L. Johnson, E. A. Young 1993-5-24 ROB 578 San Luis Obispo 2 km SE of Twin Bridges on Boy Scout Rd; Camp Roberts Comment
  CAS-BOT-BC68975  Adiantum jordanii Clare B. Hardham 1959-4-10 4214 San Luis Obispo Santa Lucia Mountains - Oak Flat Rd. and North Road to Adelaida Comment
  HSC34472  Adiantum jordanii J. D. Ackerman, A. M. Montalvo 1974-3-25 140 San Luis Obispo 8 mi. S of Santa Margarita on road to Pozo Comment
  OBI79573  Agoseris grandiflora David J. Keil, with Matt Ritter, Mike Simpson, David Chipping, Heath Bartosh, & Taylor Crow 2013-5-2 31603 San Luis Obispo Avenales Ranch, south of Pozo. Upper Salinas River valley along Avenales Ranch Road 545 Comment
  SBBG66207  Agoseris grandiflora M. M. Miles 1886-1 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  OBI80704  Agoseris grandiflora D. R. Miller 2015-4-22 415 .1121 San Luis Obispo This material is from Buckeye ine area, east slope Pine Mountain. Drainage is into Pico Creek area. 915 Comment
  RSA535055  Agoseris grandiflora D. A. Young, Steven A. Junak, Tina J. Ayers 1989-4-27 1956 San Luis Obispo 0.4 mi W of sign indicating W end of Botanical area Comment
  JEPS35299  Agoseris grandiflora var. grandiflora R. F. Hoover 1949-5-16 7700 San Luis Obispo Poly Canyon Poly Canyon Comment
  OBI79474  Agoseris heterophylla David J. Keil, with Matt Ritter and Jepson Herbarium Weekend Workshop participants 2012-4-21 31297 San Luis Obispo Santa Lucia Mountains. Santa Rita Creek Road southwest of Templeton Comment
  OBI56689  Agoseris heterophylla var. cryptopleura David J. Keil 1998-4-7 26587 San Luis Obispo S of Creston on Hwy 229, 1.4 mi. S of Rocky Canyon Rd. 384 Comment
  UC564206  Agoseris heterophylla var. cryptopleura Roxana S. Ferris 1935-3-29 9102 San Luis Obispo 2 mi s Simmler; Carriso Plain Comment
  RSA0040011  Agoseris retrorsa LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-30 6387 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
  OBI22540  Agrostis exarata Robert F. Hoover 1950-6-21 8030 San Luis Obispo San Simeon Crk just below forks Comment
  OBI66985  Agrostis exarata David J. Keil 2000-6-28 28832 -2 San Luis Obispo Vicinity of mouth of San Carpoforo Creek, west of California Highway 1 0 Comment
  UCD52074  Agrostis exarata Larry E. Brown 1971-7-8 2062 San Luis Obispo San Luis Obispo County: in Perfumo Canyon near San Luis Obispo. Comment
  CAS-BOT-BC139372  Agrostis hooveri Clare B. Hardham 1958-6-22 3729 San Luis Obispo See Canyon, Avila. Comment
  OBI22532  Agrostis hooveri Robert F. Hoover 1948-6-29 7546 San Luis Obispo Edge of San Luis Valley on Carpenter Cyn road to Arroyo Grande Comment
  OBI4950  Agrostis pallens Robert F. Hoover 1960-7-15 8528 San Luis Obispo Head of Perfumo Cyn Comment
  SEINET238921  Aira caryophyllea David Keil 1986-6-3 19632 San Luis Obispo Along Clark Valley Road 1/2-3/4 mile SW of Los Osos Valley Road. Roadside in coastal scrub. Locally common on roadside. Comment
  CAS-BOT-BC138253  Aira caryophyllea var. caryophyllea R. F. Hoover 1964-6-7 8981 San Luis Obispo Lower canyon of San Carpoforo Creek. Comment
  UCR38993  Alchemilla occidentalis David J. Keil 1980-3-8 13706 San Luis Obispo Lopez Canyon Road, c. 4 mi from jct w/ Pozo Road. Comment
  OBI33038  Alisma triviale David J. Keil 1983-9-10 17951 San Luis Obispo Vicinity of Arroyo de la Cruz, N of San Simeon Comment
  CAS-BOT-BC445454  Alisma triviale R. F. Hoover 1964-8-13 9241 San Luis Obispo Mouth of Osos Creek Comment
  SBBG57509  Allium R. Hoffmann 1930-4-19 San Luis Obispo Oceano Comment
  SBBG109410  Allium crispum C. B. Hardham 1958-5-7 3211 San Luis Obispo hills between Bee Rock and Nacimiento River Comment
  UCR4731  Allium crispum Frank C. Vasek 1960-4-11 600411- 04 San Luis Obispo Inner Coast Range, On a dirt road on the west side of the Temblor Range, 3.3 miles north of the Hwy [58] to Simmler. 800 Comment
  CAS-BOT-BC468907  Allium crispum David D. Keck 1933-5-3 2115 San Luis Obispo 6 miles northeast of Estrella on road to Parkfield, northern San Luis Obispo County Comment
  RSA628980  Allium crispum R. S. Woglum 1938-4-23 1557 San Luis Obispo Inner South Coast Ranges: Cottonwood Pass, near Cholame; Bluestone Ridge; junction with Monterey, Kings, and Kern Counties. Comment
  CAS-BOT-BC469255  Allium fimbriatum var. fimbriatum Clare B. Hardham 1962-5-30 10 -238 San Luis Obispo Pozo Hi Mt., Santa Lucia Mountains Comment
  CAS-BOT-BC135864  Allium haematochiton Alice Eastwood; John Thomas Howell 1936-5-7 2268 San Luis Obispo Serrano Canyon near San Luis Obispo Comment
  UCD141869  Allium howellii Clare B. Hardham 1958-4-28 3145 San Luis Obispo San Luis Obispo County: 2 miles north of Soda Lake. 609 Comment
  CAS-BOT-BC472723  Allium lacunosum var. lacunosum Clare B. Hardham 1960-6-3 5997 San Luis Obispo Cuesta Sargent Cypress Forest north of San Luis Obispo, Santa Lucia Mountains Comment
  OBI79639  Allium unifolium D. R. Miller, E. A. Appel 2014-6-8 614 .1092 San Luis Obispo Highway 1, 2.3 miles north of Arroyo De La Cruz bridge on coastal side. 50 Comment
  OBI80114  Allium unifolium David J. Keil, with Lynne Dee Althouse 2002-5-2 29850 San Luis Obispo Santa Margarita Ranch Comment
  SBBG107567  Allophyllum gilioides C. B. Hardham 1962-4-16 9005 San Luis Obispo Pozo, Hi Mtn Comment
  JEPS57540  Amaranthus W. L. Jepson 1931-6-4 15889 San Luis Obispo Grant Lake Palo Prieto Pass 609 Comment
  OBI17617  Amaranthus powellii Kamran Alavi 1977-8-21 89 San Luis Obispo Cal Poly, SLO. Along field 21 Comment
  OBI77247  Amaranthus powellii Robert F. Hoover 1966-9-21 10094 San Luis Obispo Edna Comment
  SEINET10617150  Ambrosia acanthicarpa David J. Keil 1976-8-20 Keil K 11772 San Luis Obispo 1.3 mi. W of Kern Co. boundary on CA Rte. 166. Comment
  CAS-BOT-BC61486  Ambrosia chamissonis R. F. Hoover 1964-8-13 9233 San Luis Obispo Mouth of Morro Creek Comment
  OBI6145  Ambrosia chamissonis D. Waive Stager 1972-7-31 18 San Luis Obispo Montana de Oro State Park sand spit [on label as Morro Bay State Park] Comment
  UC455848  Ambrosia chamissonis E. P. Unangst 1906-7-8 San Luis Obispo Pismo Comment
  OBI17094  Ambrosia psilostachya Robert F. Hoover 1966-9-16 10040 San Luis Obispo 3 mi N of Santa Margarita Comment
  JEPS13584  Amorpha californica var. californica Rimo Bacigalupi with R. S. Ferris and G. T. Robbins 1955-5-25 5229 San Luis Obispo in hills 4 mi e Santa Margarita (along Parkhill District road) 320 Comment
  UC572317  Amorpha californica var. californica B. Bolt 1936-5-7 703 San Luis Obispo 1.75 mi n Black Butte; Santa Barbara National Forest, San Luis Obispo County 396 Comment
  UC1285141  Amorpha californica var. californica R. F. Hoover 1946-6-15 6151 San Luis Obispo near Rinconada Mine (betw. Santa Margarita and Pozo) Comment
  UC455993  Amsinckia I. J. Condit and H. B. Waters 1909-5-16 San Luis Obispo Cerro Alto Mountain Comment
  CAS-BOT-BC222370  Amsinckia douglasiana Francia Chisaki; Peter Kamb Ray 1952-4-4 2193 San Luis Obispo 0.9 mile by road east of La Panza 533 Comment
  LA29484  Amsinckia douglasiana Francia Chisaki; Peter Kamb 1952-4-4 2193 San Luis Obispo 0.9 mi. by road E of La Panza 533 Comment
  SEINET1004407  Amsinckia intermedia George K. Helmkamp 2004-1 8293 San Luis Obispo Central Coast: SE of Oceano along Halcyon Rd, 0.2 mi E of Mesa View Dr (Hwy CA-1) 76 Comment
  UCR140075  Amsinckia intermedia George K. Helmkamp 2004-4-1 8411 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
  UCR31989  Amsinckia intermedia David J. Keil, Melissa Luckow, R. R. Pimentel, R. A. Pimentel, et al. 1982-5-9 16074 San Luis Obispo Road to top of Cypress Mtn. from Warrens' cabin Comment
  OBI20656  Amsinckia intermedia Mrs. R. W. Summers August1886 s.n. San Luis Obispo RR cut, San Luis Obispo Comment
  OBI54457  Amsinckia intermedia Matthew Arterburn 1997-3-23 28 San Luis Obispo 3.1 mi from Navajo Camp on Navajo camp rd Comment
  OBI82516  Amsinckia lycopsoides David J. Keil, with Lynne Dee Althouse and Shannon Henke 2016-2-26 33482 San Luis Obispo Southeast of Cholame in southern Cholame Valley along San Andreas Fault zone 630 Comment
  OBI20643  Amsinckia lycopsoides Robert F. Hoover 1966-4-20 9817 San Luis Obispo E of Atascadero on Creston Rd, on grade E of Salinas River 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
  UCR29952A  Amsinckia menziesii David J. Keil, Melissa Luckow, R. R. Pimentel, R. A. Pimentel 1981-4-24 14457 San Luis Obispo South Coast Range, California Route 58, 10 mi. east of junction with California Route [229?] 227 Comment
  OBI57009  Amsinckia menziesii David J. Keil 1998-4-7 26601 San Luis Obispo South of Creston on 229 Jordan Property, 0.1 mile S of Rocky Canyon Rd on W side of Hwy. 229 Comment
  OBI66061  Amsinckia menziesii D. R. Miller 1994-3-17 394 -105 San Luis Obispo Pine Mtn Region. Next to main rd, aobve Turkey Bend, San Simeon Crk drainage 610 Comment
  OBI77707  Amsinckia menziesii David J. Keil, with Clare Hardham and Julie McCulloch 1998-4-17 26793 San Luis Obispo South of Creston on ____ Road at McColloch property, with O'Donnovan Road; 1 mile N of Hwy 58. Comment
  SBBG85643  Amsinckia spectabilis C. F. Smith 1951-4-19 3038 San Luis Obispo Nipomo Mesa, N of Guadalupe Comment
  OBI40131  Amsinckia spectabilis David J. Keil 1981-4-25 14581 San Luis Obispo Baywood Park at Sweet springs marsh Comment
  OBI50285  Amsinckia spectabilis var. microcarpa Tawney Odegard 1985-1-18 69 San Luis Obispo Morro Bay kangaroo Rat Reserve. SE of Morro Bay, 0.5 mi down Pecho Valley rd after passing "Golf Course" sign, tur rt on dirt rd just past "Deer" sign and continue toward dunes for 0.5 mi. MBKR site is on the left Comment
  OBI20658  Amsinckia spectabilis var. microcarpa Robert F. Hoover 1947-3-1 6642 San Luis Obispo Mouth of Toro Crk Comment
  OBI20664  Amsinckia spectabilis var. microcarpa A. Ahmad 1963-4-25 7 San Luis Obispo 4 mi NE SLO Comment
  OBI20673  Amsinckia tessellata Robert F. Hoover 1949-4-21 7629 San Luis Obispo Near Fernandez Crk on La Panza - creston rd Comment
  OBI64527  Amsinckia tessellata David J. Keil, with Margriet Wetherwax, Beth Painter, Jody Olsen, Kevin Downing, Charis Bratt, and Lynne Dee (Oyler) Althouse 2000-5-16 28693 San Luis Obispo Camp Roberts; vicinity of Twin Bridges (over Nacimiento River). Comment
  UCSB10398  Amsinckia tessellata var. gloriosa Constance, Lincoln; Beetle, Alan 1940-3-22 San Luis Obispo Near San Juan Creek, Syncline Hill, 5 miles east of La Panza; California inner coast ranges 548 Comment
  CAS-BOT-BC209528  Amsinckia vernicosa James R. Shevock; Jack Zaninovich 1983-3-30 10222 San Luis Obispo South Coast Ranges. Carrizo Plain, San Andreas Rift Zone between the Caliente and Temblor Ranges. Along Elkhorn Road, east side of Plain, 16.3 miles northwest from California highway 33/166 800 Comment
  SEINET2445101  Anagallis arvensis David Keil 1988-7-2 20847 San Luis Obispo Morro Bay State Park. E of South Bay Blvd. Vicinity of old cement plant or on hill to NE. Comment
  OBI55306  Ancistrocarphus filagineus David J. Keil 1998-5-11 27216 San Luis Obispo Caliente Range, 5.1 mi from Soda Lake Rd. along Selby Rd. Comment
  OBI64969  Ancistrocarphus filagineus Greg Wilvert 2005-4-1 79 San Luis Obispo SE Half of the Caliente Range. N edge of range 759 Comment
  RSA0027843  Ancistrocarphus filagineus Greg Wilvert 2005-4-1 89 San Luis Obispo Southeast half of the Caliente Range: North edge of range. 759 Comment
  RSA0036657  Ancistrocarphus filagineus LeRoy Gross, Evan Meyer 2014-4-15 6225 San Luis Obispo Started at Rinconnada Mine parking area, off west Pozo Road. Near 35.28989N 120.47503W. Ended at the mouth of Little Falls Creek that empties into Lopez Canyon., Near 35.24611N 120.48745W. Entered into the Santa Lucia Wilderness at the start of Little Falls Creek trail. 204 Comment
  UC581173  Ancistrocarphus filagineus H. L. Mason 1935-3-30 8257 San Luis Obispo Cholame Valley Comment
  CAS-BOT-BC84624  Anthemis cotula R. F. Hoover 1965-8-1 9500 San Luis Obispo Valley west of Mt. Bishop Comment
  OBI13085  Anthemis cotula Hans Wilgenburg 1977-8-11 25 San Luis Obispo Cal Poly campus Comment
  OBI72531  Anthriscus caucalis E. L. Painter & M. Wetherwax, David J. Keil, K. Downing, C. Bratt, J. Olson 2000-5-16 CR- 57 San Luis Obispo Camp Roberts. Nacimiento River, near Twin Bridges. UTMS (NAD27) zone 10S, 694590E, 3960184N Comment
  OBI57111  Antirrhinum kelloggii G. F. Hrusa 1995-5-2 12217 San Luis Obispo At top of ridge 2 E of Peak 2 580 Comment
  OBI74292  Antirrhinum kelloggii Theo Fitanides, Anthony Baniaga 2010-4-10 98 San Luis Obispo Tierra Redonda Mtn BLM ACEC 516 Comment
  CDA11560  Antirrhinum multiflorum G. F. Hrusa 1993-5-22 11108 San Luis Obispo Black Butte Research Natural Area, ridge SE of Cuesta Pass, along main ridge road, approx. 1/2 mile N of Mt. Lowe. Comment
  CAS-BOT-BC237901  Antirrhinum ovatum Eben McMillan 1949-1-1 s.n. San Luis Obispo North end of Carrizo Plain Comment
  UC1583672  Aphanes occidentalis David Keil 1986-3-22 19097 San Luis Obispo 2.7 mi se Shell Creek Road junction with Highway 58 (along Highway 58) 487 Comment
  RSA0020363  Apiastrum angustifolium Greg Wilvert 2005-4-30 359 San Luis Obispo Southeast half of the Caliente Range. 200 m S of Padrones Spring. 914 Comment
  SBBG118076  Apiastrum angustifolium J. Clark, M. Petroelje 1998-5-19 San Luis Obispo ca. 1.9 mi NW of Alpha Range, W of Whiskey Springs; Camp San Luis Obispo 475 Comment
  OBI42363  Apiastrum angustifolium David J. Keil, V. L. Holland 1982-4-23 15881 San Luis Obispo Old dunes area along edge of Morro Bay w of S Bay blvd and E of Santa Ysabel ave Comment
  OBI76918  Apiastrum angustifolium D. R. Miller 2012-4-27 412 .1019 San Luis Obispo Rocky Butte/Pine Mt Region. in 'Bear Cyn' (the E fork of Tobacco Crk) Comment
  OBI37410  Apium graveolens Eric Wise 1982-6-24 1520 San Luis Obispo Warden Lake. Willow bog of old lake [N of Los Osos Valley Rd and new reservoir next to it Comment
  OBI10692  Aquilegia eximia Robert F. Hoover 1950-6-21 8027 San Luis Obispo San Simeon crk just below forks Comment
  OBI20495  Aralia californica Robert F. Hoover 1965-9-7 9535 San Luis Obispo Santa Lucia Range. Santa Rita Crk W of Templeton Comment
  UC1122883  Aralia californica H. C. Lee 1936-6-6 656 San Luis Obispo 3.1 mi. n. of Santa Manuela School; Santa Barbara Nat'l Forest, Nipomo Quad. Comment
  CDA11486  Arbutus menziesii G. F. Hrusa, K. Phillips, A. Flinck 1995-5-29 12264 San Luis Obispo Black Butte Research Natural Area. Cuesta Ridge east. Near summit, on W face of main ridgeline. Comment
  CAS-BOT-BC24193  Arctostaphylos R. F. Hoover 1947-7-16 7305 San Luis Obispo Price Canyon on north-facing sanstone slope. Comment
  UC1120257  Arctostaphylos T. M. Hendrix 1937-4-16 11 San Luis Obispo 4 1/4 mi se Pozo; Santa Barbara National Forest, Pozo Quadrangle Comment
  OBI14699  Arctostaphylos crustacea Robert F. Hoover 1965-2-28 9334 San Luis Obispo Trail to Cerro Alto from Cerro Alto Camp Comment
  OBI71459  Arctostaphylos crustacea subsp. crustacea David J. Keil 1999-3-23 28219 San Luis Obispo Montana de Oro State Park Comment
  OBI14759  Arctostaphylos crustacea subsp. crustacea Robert F. Hoover 1969-2-2 11185 San Luis Obispo Above Los Osos Comment
  JEPS47728  Arctostaphylos cruzensis James B. Roof, Walter Knight, Irja Knight 1966-1-11 1763 San Luis Obispo on ridge ca 200 yd e State Hwy #1; Hearst Ranch, Arroyo de los Chinos Comment
  JEPS98890  Arctostaphylos cruzensis Walter Knight, James B. Roof, and Irja Knight 1966-1-12 1772 San Luis Obispo top of Los Osos Mesa Comment
  OBI30234  Arctostaphylos cruzensis Dan Taylor 1976-2-22 s.n. San Luis Obispo Collected 1 mi E of Piedras Blancas Lighthouse Comment
  RSA630660  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley, Melanie Baer Keeley 1993-9-3 24335 San Luis Obispo Dirt road behind locked gate, along ridge east of La Cuesta Summit, north of San Luis Obispo. 600 Comment
  OBI65924  Arctostaphylos glandulosa subsp. glandulosa D. R. Miller 1994-2-11 294 -71 San Luis Obispo Pine Mt. Region; cole Ranch, Marmolejo drainage 850 Comment
  UC549417  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1935-2-24 991 San Luis Obispo peak w Cuesta Pass Comment
  SBBG104271  Arctostaphylos glauca D. A. Young, F. L. Johnson 1992-6-16 ROB 22 San Luis Obispo ca. 0.5 km NE of Gate 11 on Nacimiento Rd; Camp Roberts Comment
  RSA150965  Arctostaphylos glauca Clare B. Hardham 1962-5-30 10 -239 San Luis Obispo Pozo Mtn. Comment
  SBBG41163  Arctostaphylos hookeri subsp. hearstiorum R. F. Hoover 1950-1-15 7760 San Luis Obispo just S of mouth of Arroyo de la Cruz Comment
  CDA17687  Arctostaphylos hookeri subsp. hearstiorum Austin Griffiths, G. F. Hrusa, D. Ragan, E. Thompson, P. Hertel 1985-3-17 s.n. San Luis Obispo Arroyo de la Cruz; SW rim of Arroyo de la Cruz, E of Hwy 1. 0 Comment
  RSA252171  Arctostaphylos hookeri subsp. hearstiorum Gary D. Wallace 1974-12-7 1334 a San Luis Obispo Santa Lucia Mountains: near the coast along the upper south edge of Arroyo de la Cruz on the Hearst Ranch. 30 Comment
  CAS-BOT-BC24477  Arctostaphylos hooveri R. F. Hoover 1964-5-15 8892 San Luis Obispo Pine Top Mt. Comment
  UCD51736  Arctostaphylos luciana Roman Gankin 1966-6-8 808 San Luis Obispo Population sample about 2 miles southeast of Cuesta Pass at Lopez Canyon. Comment
  UCD51738  Arctostaphylos luciana R. F. Hoover 1964-3-14 8651 San Luis Obispo Head of Lopez Canyon. Comment
  CAS-BOT-BC39014  Arctostaphylos luciana Roman Gankin 1966-6-8 808 San Luis Obispo About 2 miles southeast of Cuesta Pass at Lopez Canyon. Comment
  UCD51782  Arctostaphylos montereyensis Roman Gankin; S. G. Schultz 1965-3-29 457 San Luis Obispo Ca. 1/2 mile southeast of Burnett Peak Road from Salmon Creek Road. Comment
  CAS-BOT-BC40105  Arctostaphylos morroensis R. F. Hoover 1947-1-6 6593 San Luis Obispo Baywood Park. Comment
  UC1334945  Arctostaphylos morroensis Ben Bolt 1936-1-31 561 San Luis Obispo 1/4 mi n Hazard Canyon; Cayucos Quadrangle; N of Hazard Canyon, San Luis Obispo Co. 60 Comment
  UCR18563  Arctostaphylos morroensis George K. Helmkamp 1975-2-22 s.n. San Luis Obispo Central Coast, Baywood Park, end of 11th St. near bay 18 Comment
  CAS-BOT-BC40125  Arctostaphylos morroensis R. F. Hoover 1947-1-26 6599 San Luis Obispo Osos Valley in sandy rolling country Comment
  RSA633187  Arctostaphylos morroensis Jon E. Keeley 1978-10-6 7263 San Luis Obispo Highway 127 about 14.5 km south of South Street, San Luis Obispo. Comment
  SEINET11987263  Arctostaphylos morroensis J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 San Luis Obispo Comment
  CDA11347  Arctostaphylos obispoensis G. F. Hrusa 1995-4-16 12070 San Luis Obispo Cuesta Ridge West; Ridge NW of Cuesta Pass in Cuesta Botanical Area. Approx. 2 m. NW of US 101. Comment
  UCD52939  Arctostaphylos obispoensis Steven A. Junak; with David A Young, Tina J. Ayers 1989-3-13 3925 San Luis Obispo Cuesta Ridge: Along main road (USFS Road #29S11.3) at W boundary sign for the Cuesta Ridge Botanical Area, 5.2 miles W of Highway 101. Comment
  CAS-BOT-BC39844  Arctostaphylos obispoensis Albert Everett Wieslander 1932-11-20 s.n. San Luis Obispo Near Burnet Peak 762 Comment
  CAS-BOT-BC39873  Arctostaphylos obispoensis Clare B. Hardham 1956-3-2 175 San Luis Obispo Santa Lucia Mountains - 7x Ranch, headwaters of Las Tablas Cr. Comment
  RSA633439  Arctostaphylos obispoensis Jon E. Keeley 1996-2-10 27051 San Luis Obispo West end of Cuesta Botanical Area, west of Cuesta Pass, northwest of San Luis Obispo. Santa Lucia Wilderness. 775 Comment
  HSC103811  Arctostaphylos osoensis G. Fred Hrusa 1995-6-20 12415 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
  CAS-BOT-BC44406  Arctostaphylos pechoensis R. F. Hoover 1946-12-15 6576 San Luis Obispo Upper Coon Creek, San Luis Obispo Range Comment
  RSA122350  Arctostaphylos pechoensis B. O. Schreiber 1938-10-7 2560 San Luis Obispo Davis Canyon 182 Comment
  SEINET11984939  Arctostaphylos pechoensis Unknown 1965-1 467 San Luis Obispo ca 0.5 mi E of road, summit See Canyon Comment
  SEINET11987128  Arctostaphylos pechoensis W. Knight, Knight, I. 1980-1 3831 San Luis Obispo Tilden Botanic Garden, Berkeley, orig. from See Canyon Comment
  SEINET12524549 Image available Arctostaphylos pechoensis B. O. Schreiber 1938-1 2560 San Luis Obispo Davis canyon, sec._,T. 31S, T. 11E. 183 Comment
  JEPS98801  Arctostaphylos pilosula Walter Knight, James B. Roof, and Irja Knight 1966-1-12 1767 San Luis Obispo 9 mi E of Pozo (enroute to McKittrick); La Panza Range Comment
  OBI60682  Arctostaphylos pilosula Lynne Dee Oyler 1990-10-4 2025 San Luis Obispo Avila Unocal Tank Farm below tank 638. Comment
  SEINET11984953  Arctostaphylos pilosula Unknown 1965-1 474 San Luis Obispo summit Carpenter Canyon, Arroyo Grande Comment
  UCD53652  Arctostaphylos pilosula T. M. Hendrix 1939-1-22 934 San Luis Obispo Los Polites District; west of school house. 457 Comment
  UCD53660  Arctostaphylos pilosula W. A. Peterson 1937-4-1 652 San Luis Obispo 2 1/2 miles SSW of La Panza. 960 Comment
  RSA303437  Arctostaphylos pilosula subsp. pilosula J. R. Shevock 1971-3-1 732 San Luis Obispo Cuesta Grade, Hwy 101 365 Comment
  CDA17730  Arctostaphylos rudis Austin Griffiths 1987-1-7 18039 San Luis Obispo Pismo Dunes; southerly edge of Pismo Ck., eastward from 4th St. Grover City. 0 Comment
  JEPS98852  Arctostaphylos rudis R. F. Hoover 1964-2-8 8630 San Luis Obispo 2 mi S of Berros (Nipomo Mesa) Comment
Read comments
Jun 14 2011
  RSA43170  Arctostaphylos tomentosa subsp. crustacea Robert F. Hoover 1946-9-22 6440 San Luis Obispo West of Pasa Robles on road to Adelaida. Comment
  UC549485  Arctostaphylos tomentosa subsp. crustacea J. E. Adams 1935-2-24 1000 San Luis Obispo head of canyon Pecho Hills, Davis Canyon Comment
  RSA122511  Arctostaphylos tomentosa subsp. tomentosiformis R. St. John 1932-11-30 322 San Luis Obispo Arroyo Del Corral. 915 Comment
  RSA660608  Arctostaphylos wellsii Austin P. Griffiths 1985-3-5 s.n. San Luis Obispo Along ridge south of Native Sons Wholesale Nursery El Campo Rd. Comment
  CDA17651  Arctostaphylos wellsii Austin Griffiths, G. F. Hrusa 1984-2-2 s.n. San Luis Obispo South Coast Ranges; Noyes Rd. approaching Hwy 227, between Arroyo Grande and San Luis Obispo. 0 Comment
  OBI40744  Aristida adscensionis David J. Keil, Dirk Walters 1986-5-2 19315 San Luis Obispo Santa Lucia Mts just N of San Luis Obispo in Reservoir Cyn 305 Comment
  UC1583758  Aristida adscensionis David Keil with Malcolm McLeod, and California Native Plant Society Rare Plant Committee 1983-5-1 16975 San Luis Obispo ridge system and coastal terraces between Arroyo de la Cruz and Arroyo de los Chinos Comment
  JEPS99139  Aristocapsa insignis Clare B. Hardham 1960-5-13 5681 San Luis Obispo Paso Robles-Simmler Rd.; San Juan River; Carissa Plains Comment
  CAS-BOT-BC47686  Armeria maritima subsp. californica Ynez Whilton Winblad 1937-6-18 s.n. San Luis Obispo Cambria Comment
  OBI51168  Armeria maritima subsp. californica Jan Barber 1994-4-23 156 San Luis Obispo San Simeon State Park Comment
  SBBG15477  Armeria maritima subsp. californica A. Jacobson 1959-4-11 50 San Luis Obispo San Simeon State Beach Park 3.4 mi N of Cambria along Hwy 1 4 Comment
  OBI24080  Artemisia californica Janice M. Toyoshima 1979-9-19 S 1 San Luis Obispo Morro Bay. South of Shark Inlet Comment
  UC1119319  Artemisia californica N. K. Carlson 1936-3-21 196 San Luis Obispo 5 mi nne of Reeds (Plot 20); Arroyo Grande Quadrangle 106 Comment
Read comments
Sep 3 2014
  UCR122931  Artemisia californica R. D. Goeden 1998-9-9 090998- 09 San Luis Obispo Central Coast, Atop Black Hill above Morro Bay 201 Comment
  OBI35494  Artemisia californica S. M. Inman 1983-4-25 8 San Luis Obispo 1/2 mi S on Pecho Rd. Rt on dirt road after "deer" sign, to S of dirt road. Comment
  OBI27556  Artemisia douglasiana Melinda Doud 1976-5-28 669 San Luis Obispo Reservoir Cyn Comment
  OBI71942  Artemisia tridentata George Butterworth 2009-11-5 758 San Luis Obispo Chimeneas; Cuyama River, Oakey Terrace 442 Comment
  RSA734397  Artemisia vulgaris var. heterophylla Keith E. Hoffmaster 1935-7-1 653 San Luis Obispo Near Arroyo Grande Comment
  OBI82425  Arthrocnemum subterminale David J. Keil, John Chesnut 2015-9-28 33417 San Luis Obispo Morro Bay State Park Marina 1 Comment
  OBI70827  Arthrocnemum subterminale David J. Keil 2009-5-30 30613 San Luis Obispo Los Osos. Sweet Springs Nature Preserve 0 Comment
  OBI80466  Asclepias eriocarpa George Butterworth 2014-10-31 931 San Luis Obispo Carriso Plain. Simmler Ecological Reserve east of Bitterwater Road. 640 Comment
  OBI56283  Asclepias erosa George Butterworth 1999-8-11 315 San Luis Obispo Carrizo Plain Natural Area. 15 yds N of Pipeline Rd, .4 mi W of Soda Lake rd. T11N, R25W, S35, NEQ 853 Comment
  UC1123573  Asclepias vestita G. T. Nordstrom 1937-5-16 1234 San Luis Obispo 2.1 mi ese Chimney Rock; Adelaida Quadrangle Comment
  UC566934  Asclepias vestita Herbert L. Mason 1923-6-22 526 San Luis Obispo Santa Margarita 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
  CDA43228  Asphodelus fistulosus Richard R. Halse 2012-3-26 8439 San Luis Obispo Along State Highway 1 at the north edge of Cayucos, by exit 285. Comment
  SBBG55744  Aspidotis californica R. J. Rodin 1959-3-18 6324 San Luis Obispo N side of Bishop Pk Comment
  CAS-BOT-BC65815  Aspidotis californica R. F. Hoover 1946-11-24 6567 E San Luis Obispo Hill above Salinas River opposite Pilitas Creek Comment
  CDA42730  Aspidotis californica R. Raiche 1993-5-28 70 .93 San Luis Obispo Southern Santa Lucia Mountains; Garcia Moutains, Pine Mountain, ridge west of Stony Creek. Comment
  CAS-BOT-BC177486  Astragalus asymmetricus Clare B. Hardham 1957-6-14 2273 San Luis Obispo Cottonwood Pass Comment
  JEPS99142  Astragalus asymmetricus Clare B. Hardham 1957-4-14 2273 San Luis Obispo E of Cholame (Cottonwood Pass) Comment
  UCD104629  Astragalus asymmetricus T. C. Fuller 1962-7-19 9256 San Luis Obispo San Luis Obispo County: Upper Gillis Canyon, ca. 8 air mi. e. of Shandon. Comment
  CAS-BOT-BC177716  Astragalus crotalariae R. W. S. s.n. San Luis Obispo Morro Road Comment
  CAS-BOT-BC177784  Astragalus curtipes R. W. S. 1882-1-23 205 San Luis Obispo Unspecified Comment
  UC1128831  Astragalus curtipes N. K. Carlson 1936-3-26 226 San Luis Obispo 1.6 mi nnw Goldtree; San Luis Obispo Quad., nnw of Goldtree Comment
  CAS-BOT-BC177794  Astragalus curtipes Ernest C. Twisselmann 1972-4-1 18600 San Luis Obispo Edna Valley, 0.75 mile southeast of Edna 30 Comment
  CAS-BOT-BC177820  Astragalus curtipes Ernest C. Twisselmann 1972-4-1 18600 San Luis Obispo Edna Valley, 0.75 mile southeast of Edna 30 Comment
  CSUSB932  Astragalus curtipes Charlotte M. Bringle 1967-3-20 San Luis Obispo San Luis Obispo, about 2 miles north of town on H. A. Hildenbrand Ranch, Rt. 2, Box 103. In first pasture behind ranch house, 200 feet west of stream. Comment
  OBI13325  Astragalus didymocarpus var. milesianus Robert F. Hoover 1947-3-21 6710 San Luis Obispo West base of Mt. Bishop near San Luis Obispo Comment
  RSA43239  Astragalus didymocarpus var. milesianus Robert F. Hoover 1947-3-23 6910 San Luis Obispo west base of Mt. Bishop near S.L.O. [San Luis Obispo] Comment
  CAS-BOT-BC182886  Astragalus douglasii Ernest C. Twisselmann 1952-1-1 304 San Luis Obispo Twisselmann Ranch, 7 miles south of Cholame 640 Comment
  CAS-BOT-BC182896  Astragalus douglasii Clare B. Hardham 1959-4-22 4449 San Luis Obispo Santa Barbara Rd. Atascadero Comment
  CAS-BOT-BC182914  Astragalus douglasii R. C. Barneby 1954-5-2 11266 San Luis Obispo N.-E. of San Miguel 198 Comment
  RSA511552  Astragalus douglasii G. R. Ballmer 1989-5-21 s.n. San Luis Obispo Cuesta Ridge Botanical Preserve area. Comment
  SEINET10776489  Astragalus douglasii Lewis S. Rose 1940-5-12 Rose 40355 San Luis Obispo Cholame. 335 Comment
  CAS-BOT-BC178051  Astragalus lentiginosus var. nigricalycis Eben McMillan 1957-4-7 3330 C San Luis Obispo Al Stone Camp, near Painted Rock, southeastern San Luis Obispo 670 Comment
  CAS-BOT-BC187550  Astragalus macrodon Clare B. Hardham 1959-5-20 4576 San Luis Obispo North of Nacimiento Dam Comment
  SEINET948486  Astragalus macrodon Leslie Freeman 1963-1 173 San Luis Obispo About 1 mi. Southwest of Seaback Ranch headquaters. Caliente Mt. Soda Lake drainage. 747 Comment
  UCR14829  Astragalus nuttallii George K. Helmkamp 1975-7-27 s.n. San Luis Obispo Central Coast, 3-4 mi. north of San Simeon Comment
  SDSU7651  Astragalus nuttallii D. F. Howe 1946-5-17 1809 San Luis Obispo Coast of San Luis Obispo. Comment
  CAS-BOT-BC186544  Astragalus nuttallii var. nuttallii Alice Eastwood; John Thomas Howell 1938-6-15 5974 San Luis Obispo Between Cambria and San Simeon Comment
  CAS-BOT-BC186536  Astragalus nuttallii var. nuttallii R. F. Hoover 1948-5-14 7525 San Luis Obispo South of mouth of Islay Creek Comment
  SBBG29961  Astragalus nuttallii var. nuttallii E. Crum 1939-5-28 2091 San Luis Obispo mouth of San Simeon Crk, 4 mi N of Cambria 15 Comment
  SBBG3230  Astragalus nuttallii var. nuttallii H. and M. Dearing 1938-9-4 2309 San Luis Obispo coast N of Cambria Comment
  UCSB3006  Astragalus nuttallii var. nuttallii Keator, Glenn 1959-4-12 San Luis Obispo San Simeon State Beach Park, 3.4 miles N of Cambria along Hwy. 1 4 Comment
  SEINET948665  Astragalus oxyphysus J. M. Tucker 1953-1 2632 San Luis Obispo Sandy alluvial soil on south side of Carrizo Plain, beside road to Seaback Ranch, northeast of Caliente Mountain. Comment
  UC1392671  Astragalus oxyphysus R. F. Hoover 1968-4-17 11045 San Luis Obispo pass at se end Carrizo Plain; Pass at se end of Carrizo Plain Comment
  CAS-BOT-BC194116  Astragalus pomonensis R. F. Hoover 1947-4-13 6923 San Luis Obispo Baywood Park Comment
  UC454088  Astragalus trichopodus var. lonchus I. J. Condit 1910-7-10 San Luis Obispo Pecho Coast Comment
  CAS-BOT-BC199113  Astragalus trichopodus var. phoxus Lewis S. Rose 1936-3-18 36065 San Luis Obispo Cuyama Valley, 45 mi. W of Maricopa 609 Comment
  UCD78282  Athysanus unilateralis Ellen Dean; T. Starbuck and M. Starbuck 2008-3-25 4627 San Luis Obispo San Luis Obispo Co.: North of Carrizo Plain National Monument. Along Soda Lake Road between College and Belmont Streets. 591 Comment
  RSA661629  Atriplex californica Austin P. Griffiths 1982-1-27 ks.n. San Luis Obispo In swale between dune ridges perpendicular to beach in foredunes ca. 3 miles S of Oso Flaco Ck. 20 Comment
  CDA18255  Atriplex canescens G. D. Barbe, Ben Easley 1974-7-9 1889 San Luis Obispo Temblor Range; Top of Recruit Grade Pass experimental plot, UCD, 9.5 mi W of Fellows (Kern Co.) 3.25 mi W of Kern Co. line, Temblor Range, on Crocker Springs Rd., overlooking Elkhorn Valley, and Carizzo Plain. 975 Comment
  CAS-BOT-BC168311  Atriplex canescens var. canescens R. F. Hoover 1952-11-2 8280 San Luis Obispo Southern part of Carrizo Plain, at north base of Caliente Mt. Comment
  UCD77394  Atriplex coronata Robert E. Preston 1998-6-17 1142 San Luis Obispo Carrizo Plain, N of Soda Lake, along 7 Mile Rd, 2.3 mi E of its jct with Soda Lake Rd 585 Comment
  OBI36504  Atriplex coronata Charloitte L. Chamberlain-Bowen 1982-6-2 477 b San Luis Obispo Soda Lake, Carrizo Plain, S on SW side of lake. Chimineas Ranch quad: T31S, R19E, SE1/4 NE1/4 sec 14 585 Comment
  OBI65208  Atriplex lentiformis Greg Wilvert 2005-8-6 515 San Luis Obispo SE half of the Caliente Range. Padrones Canyon Comment
  SBBG28677  Atriplex lentiformis subsp. breweri E. C. Twisselmann 1967-8-23 13567 San Luis Obispo Dorothy Twisselmann Ranch 670 Comment
  CDA17719  Atriplex leucophylla Austin Griffiths, Gaylord Jones, Kathleen Jones, Kathryn Bay 1986-5-25 s.n. San Luis Obispo Morro Bay Sandspit; ca. 1/2 mi. N of beach path S of Shark Inlet, Morro Bay. 15 Comment
  RSA18230  Atriplex leucophylla C. B. Wolf 1929-4-16 3620 San Luis Obispo Mouth of small creek at coast, 4 miles N of Morro Bay Comment
  OBI25503  Atriplex polycarpa Dirk R. Walters, M. G. McLeod 1979-8-15 1334 San Luis Obispo Plants collected on consultation trip with Michael Mortenson DOT to bridge replacement sites at intersections of Shell, Camtti, Navajo and San Juan Crks with state hwy 58 Comment
  OBI57376  Atriplex prostrata David J. Keil 1998-9-4 28076 San Luis Obispo Santa Margarita. 305 Comment
  SBBG14634  Atriplex rosea E. C. Twisselmann 1962-8-23 7690 San Luis Obispo O'Brien Lake, hills at the summit of Palo Prieto Cyn 640 Comment
  RSA18242  Atriplex semibaccata C. B. Wolf 1929-4-15 3608 San Luis Obispo 3 miles N of Morro Bay. 30 Comment
  UC1136336  Atriplex spinifera N. H. French 1937-3-9 884 San Luis Obispo Carrizo Plains McKittrick Quad., Carrizo Plains Comment
  RSA587740  Atriplex spinifera C. F. Smith 1993-4-23 12417 San Luis Obispo Along road to Caliente Mountain Range, 2.3 miles from gate on Russell Ranch, ca. 1000 ft. above lower Cuyama Valley. Comment
  CAS-BOT-BC170078  Atriplex vallicola Ernest C. Twisselmann 1954-6-5 1326 San Luis Obispo Soda Lake, Wastelands at South End, Carrisa Plans - Temblor Range and the Western San Joaquin Valley 563 Comment
  CAS-BOT-BC170079  Atriplex vallicola Ernest C. Twisselmann 1956-6-26 3017 San Luis Obispo Simmler road, 1.5 miles north of Soda Lake - Temblor Range and the Western San Joaquin Valley 609 Comment
  RSA0021793  Austrocylindropuntia subulata David J. Keil 2012-7-18 31470 San Luis Obispo South base of Nipomo Mesa, west of Nipomo. 44 Comment
  OBI32306  Avena barbata David J. Keil, Rhonda Riggins, Dirk Walters, Malcolm McLeod, Melissa Luckow, et al. 1981-4-11 14354 San Luis Obispo North of San Simeon along ridge just S of Arroyo de la Cruz Comment
  CAS-BOT-BC146090  Avena barbata Ernest C. Twisselmann 1956-5-7 2784 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Ian McMillan Ranchgrounds, GIllis Canyon. 487 Comment
  OBI36299  Avena barbata Rocky Thompson 1980-5-4 91 San Luis Obispo Flora of Las Pilitas Ranch Comment
  OBI31749  Avena fatua Smeltzer, Turnquist 1982-4-12 17 San Luis Obispo On the SE side of Laguna Lake Park from the roadway over to base of hill Comment
  SEINET13752177 Image available Avena fatua Richard R. Halse 2015-1 9356 San Luis Obispo San Simeon, just north of the Motel 6 at 9070 Castillo Drive 17 Comment
  OBI38225  Baccharis glutinosa Eric Wise 1982-7-2 1596 San Luis Obispo Oso Flaco Lake Comment
  OBI4415  Baccharis glutinosa Robert J. Rodin 1970-9-10 8438 San Luis Obispo About 300 yds from the Pacific Ocean near a shell mound in Pismo Beach State Park Comment
  UCR100322  Baccharis glutinosa George K. Helmkamp 1997-10-30 2509 San Luis Obispo Los Osos, along Osos Valley [Turri] Road, 1.2 miles east of South Bay Blvd. 46 Comment
  CAS-BOT-BC99496  Baccharis pilularis R. F. Hoover 1966-9-12 9989 San Luis Obispo Just north of Santa Maria River near Santa Maria Comment
  RSA611964  Baccharis pilularis L. C. Wheeler 1952-10-5 7005 San Luis Obispo San Luis Obisbo 24: Stanluchi Mine. Comment
  SBBG7737  Baccharis pilularis subsp. consanguinea C. B. Hardham 1957-7-31 2511 San Luis Obispo Cambria Comment
  OBI50307  Baccharis pilularis subsp. consanguinea Tawney Odegard 1985-3-10 17 San Luis Obispo SE of Morro Bay, 0.5 mi down Pecho Valley Road after passing "golf Course" sign, turn right on dirt road just past "deer" sign and continue toward dunes for 0.5 mi. MBKR site is on the left Comment
  OBI21637  Baccharis pilularis var. consanguinea Tracey Call, Viola Call 1965-4-10 2343 San Luis Obispo About 1 mile along road to Poly cyn from Cuesta Ridge 488 Comment
  OBI3953  Barbarea orthoceras Elizabeth Rudd 1971-4-26 231 San Luis Obispo 3 mi NE of Santa Margarita 335 Comment
  OBI79556  Barbarea orthoceras Michael Walgren 2011-8-7 428 San Luis Obispo North coastal county. Common in the dry creek bed of San Carpoforo Cr. west of the Highway One bridge. 5 Comment
  CAS-BOT-BC16611  Barbarea orthoceras Ernest C. Twisselmann 1956-6-13 2931 San Luis Obispo La Panza Range. Northeast spur of Black Mountain. 541 Comment
  UC52318  Barbarea orthoceras Rev. R. W. Summers 1886-3-21 909 San Luis Obispo San Luis Obispo Mt. Comment
  CAS-BOT-BC75857  Berberis pinnata Clare B. Hardham 1956-3-22 230 San Luis Obispo Santa Lucia Mountains. Klau Mine. Comment
  OBI52814  Bidens pilosa V. L. Holland 1994-11-4 s.n. San Luis Obispo Grover Beach. along RR at SE corner of Grand Ave and hwy 1 Comment
  UC30582  Blennosperma nanum var. nanum L. Jared 1897-3-4 San Luis Obispo Estrella South Coast Ranges Comment
  OBI73194  Bolboschoenus maritimus subsp. paludosus David J. Keil 2000-5-29 28783 San Luis Obispo Campus of Califonia Polytechnic State University. Drumm Reservoir and vicinity Comment
  UC463198  Bowlesia incana Roxana S. Ferris 1929-4-16 7677 San Luis Obispo 8 mi n of Cayucos Comment
  UCR91850  Brachypodium distachyon George K. Helmkamp 1996-5-24 1013 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
  OBI15174  Brassica rapa B. A. Smith 1966-4-28 60 San Luis Obispo S Pismo Beach City limit on hwy 1 Comment
  UCR140151  Brassica tournefortii George K. Helmkamp 2004-2-6 8245 San Luis Obispo Central Coast, Oso Flaco Lake Road, 0.5 mi east of the lake 9 Comment
  OBI59048  Bromus David J. Keil 1999-6-22 s.n. San Luis Obispo Montana de Oro State Park. Trl from Horse Camp to Manzanita Trl Comment
  RSA760029  Bromus arenarius David J. Keil 1998-5-4 27062 San Luis Obispo Los Padres National Forest; just south of junction with Highway 58 on Red Hill Road. Comment
  CDA17349  Bromus berteroanus G. F. Hrusa, G. Wilvert 2005-4-1 16399 San Luis Obispo Carrizo Plain; South end of Caliente foothills, nr. gate at power line maintenance rd. 792 Comment
  CAS-BOT-BC148955  Bromus carinatus var. carinatus Ernest C. Twisselmann 1957-4-28 3418 San Luis Obispo La Panza Range. Martinez Canyon Road at Branch Mountain Trail. 685 Comment
  RSA770182  Bromus catharticus David J. Keil 2010-6-4 30851 San Luis Obispo Morro Bay State Park. Vicinity of Quarry Trial trailhead parking area. 12 Comment
  OBI72271  Bromus diandrus Anthony Baniaga, Daniel Chavez 2010-3-14 50 San Luis Obispo Tierra Redonda BLM ACEC. Tierra Redonda Mtn. 574 Comment
  RSA586583  Bromus diandrus M. D. Proctor, E. A. Young 1993-3-17 s.n. San Luis Obispo 2 km SE of Twin Bridges on Boyscout Rd. Comment
  SBBG118221  Bromus hordeaceus M. Wetherwax, E. Painter 2000-3-21 SLO 46 San Luis Obispo saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  OBI3834  Bromus japonicus Elizabeth Rudd 1971-3-30 195 San Luis Obispo 3 mi NE of Santa Margarita Comment
  RSA0029473  Bromus japonicus David J. Keil 2011-6-24 31049 San Luis Obispo Ragged Point, just east of Highway 1 on area of coastal terrace just to north of north fork of first unnamed drainage to north of San Carpoforo Creek. 94 Comment
  UC2027446  Bromus japonicus David Keil 2011-6-24 31049 San Luis Obispo Ragged Point, just east of Highway 1 on area of coastal terrace just to north of north fork of first unnamed drainage to north of san Carpoforo Creek Comment
  UC1131021  Bromus laevipes H. C. Lee 1937-6-1 1023 San Luis Obispo 1 1/2 mi w of Paso Robles 381 Comment
  RSA518109  Bromus madritensis Steven A. Junak 1990-5-15 4340 San Luis Obispo Santa Lucia Mountains: W Cuesta Ridge: long powerline access road on E side of W Cuesta Ridge Road (UFSF Road #29S11.3) ca. 5.9 miles W of Highway 101 and 0.3 miles W of saddle at W end of Cuesta Ridge Botanical Area. Comment
  OBI22367  Bromus madritensis subsp. madritensis Robert F. Hoover 1964-4-14 8709 San Luis Obispo San Luis Obispo Comment
  RSA751804  Bromus madritensis subsp. madritensis David J. Keil 1998-4-16 26763 San Luis Obispo Los Padres National Forest: 0.5 miles NW from junction with road to Navajo Camp on Black Mountain Rd. Comment
  OBI17685  Bromus madritensis subsp. rubens Dave Imper 1977-2-24 52 San Luis Obispo Price Cyn Tarsands Project, 1 mi SW of Hwy 227 on Price Cyn rd 76 Comment
  OBI22396  Bromus madritensis subsp. rubens Russell Gorman 1956-4-6 53 San Luis Obispo Los Berros Cyn approx 4 mi N of Nipomo Comment
  OBI22398  Bromus madritensis subsp. rubens Robert F. Hoover 1964-6-6 8956 San Luis Obispo Tassajera Peak, NW of Cuesta Pass Comment
  CAS-BOT-BC161757  Bromus rubens Ernest C. Twisselmann 1954-3-19 898 San Luis Obispo Temblor Range and the western San Joaquin Valley. Chris Twisselmann Ranch. 670 Comment
  OBI22452  Bromus sitchensis Robert F. Hoover 1964-5-14 8862 San Luis Obispo See Cyn Comment
  CAS-BOT-BC65023  Cakile maritima G. K. Helmkamp 2004-3-23 8390 San Luis Obispo ENE of Nipomo. 1.5 mi SW of Rancho Road along Dana Foothill Road 171 Comment
  OBI53499  Cakile maritima Arthur W. Hazebrook 1991-6-6 96 San Luis Obispo Nipomo Dunes Complex, Big Coreopsis Hill, SW facing side of hill; at the SW base of the hill and throughout the area Comment
  CAS-BOT-BC36970  Cakile maritima var. maritima Ernest C. Twisselmann 1967-4-27 12918 San Luis Obispo Highway 1, 2.9 miles south of Piedras Blancas Point. 9 Comment
  RSA484567  Cakile maritima var. maritima Paul C. Silva 1947-3-31 1224 San Luis Obispo Piedras Blancas. Comment
  CAS-BOT-BC438530  Calandrinia ciliata Clare B. Hardham 1956-3-10 192 San Luis Obispo Santa Lucia Mountains. Chimney Rock Comment
  OBI33381  Calandrinia ciliata David J. Keil 1982-3-20 15745 San Luis Obispo San Luis range in Irish Hills along dirt rd leading from See Cyn Rd to Hibberd Preserve Comment
  OBI66457  Calendula officinalis David J. Keil 2005-7-3 s.n. San Luis Obispo Along Broad St opp intersection with Rockview place Comment
  OBI58220  California macrophylla David J. Keil 1998-6-5 27641 San Luis Obispo Crest of Caliente Range on Selby Rd. (35 deg. 05.440' x 119 deg. 51.203') 1219 Comment
  CAS-BOT-BC167334  California macrophylla R. F. Hoover 1949-4-21 7623 San Luis Obispo 14 mi. E. of Creston on La Panza Rd. Comment
  RSA176275  Callitriche trochlearis R. F. Thorne, P. C. Everett 1963-6-12 32261 San Luis Obispo 1 mile N of entrance to Piedras Blancas Point. 8 Comment
  SBBG57646  Calochortus albus M. M. Miles -May-1886 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  CAS-BOT-BC492193  Calochortus albus R. F. Hoover 1949-5-17 7701 San Luis Obispo Upper Arroyo Grande 6 mi above County Park Comment
  OBI27125  Calochortus argillosus Thomas Burrows 1980-5-3 35 San Luis Obispo Reservoir cyn Comment
  CAS-BOT-BC132358  Calochortus clavatus Gertrude Sinsheimer 1928-6-1 s.n. San Luis Obispo unspecified Comment
  OBI21403  Calochortus clavatus Robert F. Hoover 1969-6-22 11381 San Luis Obispo Chorro Crk cyn (Serrano Cyn) Comment
  OBI51761  Calochortus clavatus R. Mike Arens 1994-6-10 86 San Luis Obispo Calif Polytechnic State Univ campus 152 Comment
  SEINET5160522  Calochortus clavatus Unknown 1995-6-22 12 San Luis Obispo north of city San Louis Obispo Comment
  CAS-BOT-BC132359  Calochortus clavatus R. F. Hoover 1957-7-19 8387 San Luis Obispo Cypress Mt. Comment
  OBI72999  Calochortus clavatus David J. Keil, with Malcolm McLeod, Corky Matthews, Ron Branson, Lela and Bernard Burdette, Craig Cunningham, Clare Hardham 1995-6-26 25414 San Luis Obispo West Cuesta Ridge at west end of botanical area Comment
  POM160761  Calochortus invenustus Lester Rowntree 1929-6-27 s.n. San Luis Obispo Santa Lucia Mtns. 1439 Comment
  POM181024  Calochortus obispoensis G. Sinseheimer 1930-6-20 s.n. San Luis Obispo Reservoir Canyon near San Luis Obispo Comment
  SBBG15299  Calochortus obispoensis H. and M. Dearing 1940-6-16 4873 San Luis Obispo near San Luis Obispo Comment
  SEINET10469606 Image available Calochortus obispoensis John G. Lemmon 1886-5-25 Lemmon s.n. San Luis Obispo Hills about San Luis Obispo, Cal. Comment
  OBI27323  Calochortus simulans Robert L. Allen, Nancy E. Arnold 1981-5-10 274 San Luis Obispo 7.6 mi NE of Santa Margarita, Calf Cyn, N end of La Panza Mts Comment
  RSA0042191  Calochortus simulans LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-29 6264 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. 558 Comment
  OBI55216  Calochortus simulans Greg Frugoli 1997-4-15 39 San Luis Obispo S facing slope E of Red Hill rd approx 0.3 mi S of hwy 58. Los Padres Natl Forest (hwy 58 burn area) Comment
  CAS-BOT-BC496853  Calochortus venustus Clare B. Hardham 1960-6-1 5981 San Luis Obispo Pine Mt. Comment
  PASA536  Calochortus venustus 1928-5-12 San Luis Obispo Near Santa Margarita pinewoods Comment
  SBBG100978  Calochortus venustus D. R. Miller 1992-5-29 592 8 b San Luis Obispo Little Pine Mtn near orchard area on Cole Ranch 701 Comment
  SBBG7841  Calycadenia villosa C. B. Hardham 1957-6-22 2280 San Luis Obispo Black Mtn, Highland District, E of Creston Comment
  OBI34413  Calyptridium monandrum David J. Keil, Kathy Jones 1982-4-4 15824 San Luis Obispo Nipomo Mesa along Black Lake Cyn Comment
  CHSC70241  Calystegia longipes R. A. Schlising; L. A. Bellue 1973-5-13 3091 San Luis Obispo La Panza Range, in E part of county, along La Panza Road, 2.5 mi NE of junction with Pozo Road. Comment
  OBI15304  Calystegia longipes Robert F. Hoover 1947-4-20 6968 San Luis Obispo Hill above Salinas River opposite mouth of Pilitas crk Comment
  OBI83452  Calystegia macrostegia Samantha Osburn, Alison, Molly, Ben, Alberto 2016-1-21 1 San Luis Obispo Ontario Ridge Trail. On the ridge above Shell Beach Road. Growing along the trail. 59 Comment
  CAS-BOT-BC221372  Calystegia macrostegia subsp. cyclostegia Lewis S. Rose 1950-5-13 50114 San Luis Obispo Oso Flaco Lake region Comment
  CDA34288  Calystegia subacaulis subsp. episcopalis David J. Keil 2001-5-3 29397 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI15289  Calystegia subacaulis subsp. episcopalis Robert J. Rodin 1954-4-3 5943 San Luis Obispo On E side of Bishop's Peak, San Luis Obispo Comment
  SBBG109770  Camissonia C. B. Hardham 1958-5-28 3424 San Luis Obispo intersection of north rd to Adelaida and rd to Nacimiento Dam Comment
  POM147880  Camissonia boothii subsp. decorticans J. B. Feudge 1927-6-30 1720 San Luis Obispo Paso Robles. 229 Comment
  RSA43089  Camissonia micrantha Robert F. Hoover 1947-4-25 7068 San Luis Obispo Black Lake, south of Arroyo Grande. Comment
  UCR132064  Camissonia micrantha George K. Helmkamp 2003-7-29 8039 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  RSA186462  Camissonia micrantha Peter H. Raven 1963-5-5 18312 San Luis Obispo 1.2 miles east of Santa Margarita Comment
  OBI34399  Camissonia strigulosa David J. Keil, Kathy Jones 1982-4-4 15838 San Luis Obispo Nipomo Mesa along Black Lake Cyn Comment
  OBI7026  Camissoniopsis cheiranthifolia Marguerite Costigan 1972-10-8 22 San Luis Obispo 1/8 mi N of Morro Rock Comment
  OBI12015  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Robert J. Rodin 1957-5-16 6147 San Luis Obispo 1/2 mi S of Morro Bay Comment
  CDA15112  Camissoniopsis hirtella G. F. Hrusa 1998-4-25 14198 San Luis Obispo La Panza Range; Above La Panza Camp Comment
  OBI65693  Camissoniopsis hirtella D. R. Miller 1994-6-8 694 -422 San Luis Obispo Pine Mt Region. On Rocky Butte cut off rds; San Simeon Crk drainage 900 Comment
  SBBG38494  Camissoniopsis intermedia E. C. Twisselmann 1969-6-22 15640 San Luis Obispo Dorothy Twisselmann Ranch at the head of Choice Valley 640 Comment
  OBI11898  Camissoniopsis micrantha Robert F. Hoover 1947-4-25 7068 San Luis Obispo Black Lake, S of Arroyo Grande Comment
  OBI75317  Capsicum annuum David J. Keil 2010-1 San Luis Obispo Comment
  SBBG118184  Cardamine californica var. integrifolia M. Wetherwax, E. Painter 2000-3-20 SLO 37 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 200 Comment
  POM97521  Cardamine californica var. integrifolia P. A. Munz 1926-4-9 10212 San Luis Obispo Willow Creek Road, 10 miles southwest of Paso Robles Comment
  RSA15734  Cardamine californica var. integrifolia C. B. Wolf 1929-4-13 3481 San Luis Obispo 1 mile north of San Luis Obispo. 152 Comment
  CAS-BOT-BC384838  Cardionema ramosissimum Ernest C. Twisselmann 1959-5-23 5270 San Luis Obispo Pecho Hills, just north of the mouth of Hazard Canyon 45 Comment
  CAS-BOT-BC384839  Cardionema ramosissimum Ernest C. Twisselmann 1959-5-23 5270 San Luis Obispo Pecho Hills, just north of the mouth of Hazard Canyon 45 Comment
  OBI17524  Carduus pycnocephalus Lynne Dee Althouse 1977-5-22 82 San Luis Obispo Wofle's horse ranch, N of San Luis High School 122 Comment
  OBI32976  Carduus tenuiflorus David J. Keil, Dirk Walters, Malcolm McLeod, Bernard Burdett and Lela Burdett 1983-5-14 16996 San Luis Obispo Along ridge system between Arroyo de la Cruz and Arroyo del Oso Comment
  UCR250543  Carex Mark A. Elvin, Melissa Kelly 2013-8-9 7205 San Luis Obispo Central Coast, Santa Maria River Valley, Guadalupe Dunes. Guadalupe-Nipomo Dunes National Wildlife Refuge, Myrtle Pond, c. 250 m from Pacific Ocean 9 Comment
  CAS-BOT-BC19315  Carex barbarae Clare B. Hardham 1958-9-9 3849 San Luis Obispo The Santa Lucia Mountains. Atascadero. Rosario Road. Comment
  RSA180143  Carex barbarae Clare B. Hardham 1959-4-23 4292 San Luis Obispo Santa Lucia Mountains: Tassajara Creek. Comment
  OBI6400  Carex obispoensis Robert F. Hoover 1958-3-26 8436 San Luis Obispo Ridge of Santa Lucia Mts NW of Cuesta Pass Comment
  SBBG116208  Carex obispoensis D. Wilken with E. Painter 2003-4-3 15897 San Luis Obispo flats and swales between E and W fks of Chorro Crk, ca. 0.6 km SSE of La Primera Mine; Camp San Luis Obispo 390 Comment
  SBBG80736  Carex obispoensis D. Keil, M. McLeod, M. Luckow 1980-5-18 14038 San Luis Obispo ca. 1 mi E of St Hwy 1, Hearst Ranch Comment
  CAS-BOT-BC119330  Carex obnupta R. F. Hoover 1947-7-26 7330 San Luis Obispo Near Piedras Blancas Point (just N of) ca 1/2 mile from ocean. Comment
  OBI72380  Carex praegracilis Anthony Baniaga 2010-5-22 227 San Luis Obispo Black Lake Cyn; Callender property 19 Comment
  CAS-BOT-BC117326  Carex spissa Clare B. Hardham 1959-4-29 4336 San Luis Obispo Swamp, Stenner Creek near San Luis Obispo. Comment
  UC455137  Carex spissa I. J. Condit 1909-3-27 San Luis Obispo R. R. Canyon, San Luis Obispo Comment
  RSA180149  Carex subfusca Clare B. Hardham 1962-5-30 10228 San Luis Obispo North side Pozo High Mountain. Comment
  OBI53830  Carpobrotus chilensis Arthur W. Hazebrook 1993-1-9 191 San Luis Obispo Nipomo Dunes Complex, Big Coreopsis Hill, Oso Flaco Lake and creek areas, and adjacent pioneer dunes Comment
  OBI70141  Carpobrotus chilensis Bernard Miossi 1939-7-30 135 San Luis Obispo Along Pismo Beach-Oceano Hwy, 1-1/2 miles south of Pismo Beach 15 Comment
  OBI6170  Castilleja affinis D. Waive Stager 1972-9-11 61 San Luis Obispo Montana de Oro State Park sand spit [on label as Morro Bay State Park] Comment
  OBI9688  Castilleja affinis Robert F. Hoover 1950-6-20 7993 San Luis Obispo 7 mi W of Templeton on rd to Cambria Comment
  OBI9701  Castilleja affinis Ed Zimmerman 1966-4-8 10 San Luis Obispo W of Cuesta summit Comment
  RSA181883  Castilleja affinis P. C. Hutchinson 1963-5-11 2685 San Luis Obispo Santa Lucia Range 13 miles east of Cambria, just east of summit on the road to Paso Robles. Comment
  JEPS34364  Castilleja affinis subsp. affinis Rimo Bacigalupi, and L. R. Heckard 1963-4-21 8839 San Luis Obispo s of s end of Morro Bay (at mouth of Hazard Canyon); Hazard Canyon 106 Comment
  JEPS4852  Castilleja affinis subsp. affinis C. R. Bell 1952-3-23 San Luis Obispo near campus of Calif. Poly. School; Radio Tower Hill Comment
  SBBG24742  Castilleja affinis subsp. affinis E. R. Chandler 1965-7-9 2587 San Luis Obispo Oso Flaco Lake Comment
  JEPS40068  Castilleja affinis subsp. affinis Paul C. Hutchison 1963-5-11 2685 San Luis Obispo 13 mi e Cambria (just e of summit of road to Paso Robles); Santa Lucia Range Comment
  UCSB58617  Castilleja affinis subsp. affinis Ingram, Steve; Hall, Tina 1990-5-31 San Luis Obispo Oso Flaco Lake, Coreopsis Hill Comment
  OBI31372  Castilleja attenuata Joy H. Nishida, Julie Oxford 1982-4-16 321 San Luis Obispo American Cyn .6 mi S of campground 579 Comment
  JEPS77727  Castilleja attenuata L. R. Heckard, R. C. Bacigalupi and T. I. Chuang 1978-4-24 4787 San Luis Obispo about 2 mi ne Creston (along Route 41, 0.5 mi e of Creston Road junction) 426 Comment
  UC1315044  Castilleja brevistyla R. F. Hoover 1967-4-5 10362 San Luis Obispo w edge Carrizo Plain (on Highway 58) Comment
  HSC91476  Castilleja densiflora Susan H. Bicknell 1989-4-17 San Luis Obispo Montana de Oro State Park, MDO 1 Comment
  JEPS116458  Castilleja densiflora Alice Le Duc 1999-4-23 388 San Luis Obispo Atascadero; ; ; on a 5+ acre parcel of land on Graves Creek, lot 31 Block 16 of Atascadero colony in the City of Atascadero Comment
  OBI62689  Castilleja densiflora subsp. densiflora Jason Dart 2003-5-6 D 185 San Luis Obispo Santa Margarita Ranch, adj to Trout Crk in the vicinity of Cuesta Ridge Vineyard Comment
  UC1927755  Castilleja densiflora subsp. densiflora David Keil with Kathleen A. Keil 1998-4-18 26814 San Luis Obispo Los Padres Natinal Forest. La Panza Mts., 1.6 miles from Hwy 58 on Red Hill Rd. Comment
  OBI56560  Castilleja densiflora subsp. obispoensis T. I. Chuang, Fei-Mei Chuang 1978-5-19 7687 San Luis Obispo 1 mi S of Cambria turnoff, along hwy 1 Comment
  SBBG54564  Castilleja densiflora subsp. obispoensis F. W. Pennell 1940-5-9 25346 San Luis Obispo St Hwy 1, N of Morro Bay Comment
  OBI31209  Castilleja exserta Julie M. Vanderwier 1978-5-18 38 San Luis Obispo Indian Knob Tar Sands Comment
  OBI78354  Castilleja exserta Robert F. Hoover 1967-5-13 10564 San Luis Obispo Coast W of Cambria Comment
  UC1314915  Castilleja exserta R. F. Hoover 1967-5-13 10564 San Luis Obispo w of Cambria (coast) Comment
  JEPS34356  Castilleja exserta subsp. exserta Rimo bacigalupi, and R. F. Hoover 1963-4-21 8831 San Luis Obispo n of mouth of Hazard Canyon (at s end of Morro Bay); Morro Bay 30 Comment
  JEPS7429  Castilleja exserta subsp. latifolia R. F. Hoover 1950-5-30 7939 San Luis Obispo just s Mouth of Arroyo de la Cruz Comment
  SBBG43008  Castilleja exserta subsp. latifolia L. W. Edge 1971-10-4 San Luis Obispo Golf Course, next to Morro Bay State Park Comment
  JEPS18691  Castilleja foliolosa Ernest C. Twisselmann 1955-4-9 1826 San Luis Obispo 7.6 mi se Shandon (Red Hills); Western San Joaquin Valley, Temblor Range, Red Hills 434 Comment
  RSA85068  Castilleja miniata F. W. Peirson 1932-7-4 10240 San Luis Obispo Oceano. Comment
  CAS-BOT-BC241101  Castilleja mollis R. F. Hoover 1951-3-4 8033 San Luis Obispo Between Pismo Beach & Oceano Beach Comment
  OBI61017  Castilleja plagiotoma George Butterworth 1998-5-4 257 San Luis Obispo Carrizo Plain Natural Area. Caliente Range. Under N radio tower, beside Morales cyn Rd 1146 Comment
  CAS-BOT-BC38230  Caulanthus anceps R. F. Hoover 1952-4-8 8074 San Luis Obispo La Panza district. Comment
  SBBG14744  Caulanthus anceps E. C. Twisselmann 1962-3-18 6707 San Luis Obispo summit of Palo Prieto Cyn 655 Comment
  UC1127025  Caulanthus anceps P. L. Johannsen 1937-5-11 1119 San Luis Obispo 3 mi n Walnut Springs; McKittrick Quad. 762 Comment
  CAS-BOT-BC38235  Caulanthus anceps Ernest C. Twisselmann 1956-3-18 2566 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Gillis Canyon. 579 Comment
  JEPS97759  Caulanthus anceps Annetta M. Carter, Ethel Crum, Dwight Crum 1940-4-7 1506 San Luis Obispo Palo Prieta Canyon. 2.5 mi. SE of Cholame on road to Annette. N end of Temblor Range. 426 Comment
  CAS-BOT-BC40956  Caulanthus coulteri Charles A. Graham 1939-4-14 523 San Luis Obispo 0.3 mile northwest of Rice Ranch. 289 Comment
  JEPS105165  Caulanthus coulteri var. lemmonii Dean W. Taylor 1995-4-6 14784 San Luis Obispo Cholame Valley (ca. 1 mile E of Cholame); Davis Road 0.45 mi S of jct of Hwy 41 350 Comment
  UC1126956  Caulanthus coulteri var. lemmonii G. T. Nordstrom 1937-4-6 1047 San Luis Obispo 3.3 mi nnw Chimney Rock; Adelaida Quad. Comment
  CAS-BOT-BC40463  Caulanthus inflatus R. F. Hoover 1966-3-30 9780 San Luis Obispo First large canyon north of Crocker Grade, west side of Temblor Range. Comment
  RSA247111  Caulanthus inflatus Gary D. Wallace 1966-4-2 289 San Luis Obispo Crocker Grade along Crocker Springs Road 10 miles NW of Taft in the Temblor Range. 976 Comment
  SJSU3390  Caulanthus inflatus C. W. Sharsmith 1962-4-21 6855 San Luis Obispo lower reaches of Recruit Canyon near Crocker Peak; Temblor Range Comment
  CAS-BOT-BC40384  Caulanthus lasiophyllus David D. Keck; J. Clausen 1935-4-9 3083 San Luis Obispo Cholame. 457 Comment
  SBBG18059  Caulanthus lasiophyllus C. B. Hardham 1957-3-23 1547 San Luis Obispo 7 mi E of Templeton Comment
  CAS-BOT-BC40354  Caulanthus lasiophyllus Ernest C. Twisselmann 1963-4-25 8105 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Goldtree Hills, 1.5 mile southwest of Grants Lake. 731 Comment
  CAS-BOT-BC40367  Caulanthus lasiophyllus R. F. Hoover 1949-5-1 7655 San Luis Obispo Cholame Valley at Junction of Cottonwood Pass and Polonio Pass roads. Comment
  CAS-BOT-BC39531  Caulanthus lemmonii Ernest C. Twisselmann 1964-3-8 9216 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Choice Valley Hills. Salt Canyon. 487 Comment
  SEINET12005220  Caulanthus lemmonii L. S. Rose 1935-1 35048 San Luis Obispo Cholame Comment
  UCR146280  Ceanothus Roman Gankin, W. R. Hildreth 1964-7-9 824683 San Luis Obispo Upper Arroyo Grande Canyon 67 Comment
  UC1071085  Ceanothus crassifolius B. Bolt 1936-1-23 558 San Luis Obispo 2.5 mi e Terrace Hill; San Luis Obispo quad 243 Comment
  CAS-BOT-BC48302  Ceanothus cuneatus Alice Eastwood 1929-3-7 16858 San Luis Obispo Chorro Creek Comment
  CDA9649  Ceanothus cuneatus D. G. Kelch 2007-2-19 7 .072 San Luis Obispo Serpentine canyon; along S side of Hwy 41, 10 km E of Hwy 1. Comment
  CAS-BOT-BC48996  Ceanothus cuneatus R. F. Hoover 1947-2-23 6620 San Luis Obispo Upper Arroyo Grande 6 mi. above County Park Comment
  CAS-BOT-BC49003  Ceanothus cuneatus Ernest C. Twisselmann 1956-4-3 2609 San Luis Obispo Upper Cammatta Canyon 502 Comment
  CAS-BOT-BC49023  Ceanothus cuneatus R. F. Hoover 1947-2-23 6620 San Luis Obispo Upper Arroyo Grande 6 mi. above County Park Comment
  CAS-BOT-BC64467  Ceanothus cuneatus subsp. fascicularis Lewis S. Rose 1968-4-8 68028 San Luis Obispo 5 mi. n. of Lompoc. 152 Comment
  UC570033  Ceanothus cuneatus var. cuneatus H. C. Lee 1936-5-26 627 San Luis Obispo 3/4 mi s Avenales Ranger Station 685 Comment
  UC1276250  Ceanothus cuneatus var. cuneatus R. F. Hoover 1958-3-26 8432 San Luis Obispo nw Cuesta Pass (ridge of Santa Lucia Mts.) Comment
  OBI31041  Ceanothus cuneatus var. fascicularis Julie M. Vanderweir 1979-3-1 100 San Luis Obispo Indian Knob Tar Sands Comment
  SBBG8401  Ceanothus cuneatus var. ramulosus C. B. Hardham 1960-4-2 5275 San Luis Obispo Black Mtn, Cambria-Cayucos Rd [St Hwy 46] 579 Comment
  UC1070579  Ceanothus dentatus A. E. Wieslander 1935-6-9 551 San Luis Obispo La Panza Range. La Panza quad., Santa Barbara National Forest 1005 Comment
  CAS-BOT-BC64402  Ceanothus foliosus subsp. medius Clare B. Hardham 1961-4-30 6940 San Luis Obispo Santa Lucia Mountains. W. of Cuesta Pass. Comment
  CDA17856  Ceanothus foliosus var. medius Austin Griffiths, G. F. Hrusa 1987-5-2 18163 San Luis Obispo West Cuesta Ridge. 0.25 mi down from radio tower. 609 Comment
  CDA17858  Ceanothus foliosus var. medius Austin Griffiths, G. F. Hrusa 1987-5-2 18161 San Luis Obispo Cuesta Ridge; midway along ridge NW of Cuesta Pass, 0 Comment
  OBI10517  Ceanothus foliosus var. medius A. Ahmad 1963-4-26 23 San Luis Obispo San Luis Obispo Gardens Comment
  RSA122548  Ceanothus foliosus var. medius B. Bolt 1936-6-4 753 San Luis Obispo 2.5 miles NW of Cuesta. 457 Comment
  UC1280757  Ceanothus foliosus var. medius H. E. McMinn 1938-6-26 5227 San Luis Obispo 9 mi e Pozo (Pozo Mountains); Pozo Mountains Comment
  CAS-BOT-BC64331  Ceanothus griseus R. F. Hoover 1960-4-9 8520 San Luis Obispo Mouth of Coon Creek. Comment
  CAS-BOT-BC50020  Ceanothus impressus Lester Rowntree 1931 (?) s.n. San Luis Obispo Nipomo Mesa Comment
  UC1281341 Image available Ceanothus impressus H. E. McMinn 1936-3-6 4338 San Luis Obispo Nipomo Mesa Comment
  SBBG4289  Ceanothus impressus var. nipomensis M. Van Rensselaer 1938-3-20 San Luis Obispo Nipomo Mesa Comment
  RSA1145  Ceanothus impressus var. nipomensis B. D. Stark 1929-7-16 1365 San Luis Obispo 5 miles so. of Arroyo Grande. 61 Comment
  CAS-BOT-BC51583  Ceanothus oliganthus var. sorediatus R. F. Hoover 1964-4-15 8724 San Luis Obispo Ridge Northwest of Cuesta Pass Comment
  OBI56907  Ceanothus oliganthus var. sorediatus Jennifer Stone 1986-5-24 s.n. San Luis Obispo Cuesta Ridge E Comment
  OBI10395  Ceanothus papillosus Neil Havlik 1968-4-26 173 San Luis Obispo On ridge of mtn W of coon Crk, about 1-1/4 mi from end of Los Osos Valley rd Comment
  UC774480  Ceanothus thyrsiflorus Carl B. Wolf 1941-7-12 10988 San Luis Obispo 1 mi n Pt. Sierra Nevada (along coast at Washington School); n <of> Pt. Sierra Nevada, along coast 7 Comment
  OBI66481  Centaurea calcitrapa David J. Keil 2005-6-25 30413 San Luis Obispo North slopes of Bishop Peak, San Luis Obispo open space Comment
  SEINET476990  Centaurea melitensis D. Keil 1976-8-20 San Luis Obispo Along Calif. Rte. 166 east of Santa Maria, 3 miles west of Hollister Bridge Comment
  CAS-BOT-BC277226  Centaurea solstitialis Ernest C. Twisselmann 1963-8-4 8823 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon at the Twisselmann Ranch cattle guard 579 Comment
  OBI80669  Centaurea solstitialis David J. Keil 1992-10-19 23845 San Luis Obispo Laguna Lake Park. Prefumo Canyon inlet. 170 Comment
  CAS-BOT-BC288657  Centromadia fitchii Ernest C. Twisselmann 1953-9-12 764 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Carisa Plains: 0.25 mile N of junction, McKittrick Highway and Bitterwater Rd Comment
  UC174173  Centromadia parryi subsp. congdonii Katharine Brandegee 1912-9-29 San Luis Obispo Lagoon at San Luis Obispo Comment
  UC1285068  Cerastium arvense R. F. Hoover 1947-4-2 6855 San Luis Obispo Upper Arroyo Grande 6 mi. above County Park; Upper Arroyo Grande Comment
  CAS-BOT-BC388383  Cerastium glomeratum Ernest C. Twisselmann 1969-4-24 15157 San Luis Obispo La Panza Range. Bedell Ranch, 5 miles southeast of Creston 350 Comment
  UC456226  Ceratophyllum demersum I. J. Condit 1908-10-3 San Luis Obispo Laguna , San Luis Obispo (San Luis Obispo) Comment
  SBBG17446  Cercis occidentalis C. B. Hardham 1960-4-2 5273 San Luis Obispo Atascadero-Morro Rd [St Hwy 41] near Cerro Alto 243 Comment
  OBI80189  Cercocarpus betuloides David J. Keil 1978-3-25 12689 San Luis Obispo Irving Ranch. Comment
  RSA933985  Cercocarpus betuloides D. M. McF 1954-6-18 s.n. San Luis Obispo Dick Westerman Ranch. Arroyo Grande. Comment
  CAS-BOT-BC137167  Cercocarpus betuloides var. betuloides R. F. Hoover 1967-5-5 10520 San Luis Obispo Ridge northwest of Cuesta Pass Comment
  OBI33835  Chaenactis glabriuscula var. glabriuscula Melissa Luckow, Rhonda Riggins, Richard Pimentel 1983-2-27 1081 San Luis Obispo hwy 166, 12.4 mi E of turnoff to Spanish ranch 518 Comment
  UC1315031  Chaenactis glabriuscula var. glabriuscula R. F. Hoover 1967-4-9 10420 San Luis Obispo s of Recruit Canyon; Panorama Hills Comment
  UC31016  Chaenactis glabriuscula var. glabriuscula L. Jared before Mar 4 1897 San Luis Obispo Estrella; South Coast Ranges Comment
  UC472227  Chaenactis glabriuscula var. glabriuscula J. E. Roadhouse 1905-4-9 348 San Luis Obispo near San Luis Obispo Comment
  CAS-BOT-BC279621  Chaenactis stevioides Ernest C. Twisselmann 1969-5-7 15225 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon 563 Comment
  RSA179980  Chaenactis stevioides E. C. Twisselmann 1965-4-12 10500 San Luis Obispo Head of Palo Priesta CAnyon 671 Comment
  OBI16811  Chaenactis xantiana Robert F. Hoover 1952-4-19 8120 San Luis Obispo N side of lower Cuyama Valley Comment
  OBI82365  Chenopodium David J. Keil 2015-9-21 33403 San Luis Obispo Arroyo Grande. Vacant lot at northwestern corner of intersection of Woodland Drive and Fair Oaks Avenue. 25 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
  UCR134425  Chenopodium album George K. Helmkamp 2003-9-19 8147 San Luis Obispo Central Coast, Nipomo Mesa area. Pomeroy Rd, 0.2 mi south of Los Berros Rd. 76 Comment
  UCR159996  Chenopodium berlandieri George K. Helmkamp, E. A. Helmkamp 2005-6-12 9663 San Luis Obispo South Central Coast Range, Along Calif. Highway 229 (road to Creston), 5.5 mi N of Calif. Highway 58; beside West Branch of Huerhuero Creek 363 Comment
  OBI3890  Chenopodium californicum Elizabeth Rudd 1971-6-10 256 San Luis Obispo 3 mi NE of Santa Margarita 274 Comment
  RSA767769  Chenopodium littoreum Nuri Benet-Pierce, John P. Pierce 2010-6-4 294 San Luis Obispo Semi-stabilized dunes at Nipomo-Dunes National Wildlife Refuge, Guadalupe 11 Comment
  UCR250532  Chenopodium littoreum Mark A. Elvin, Glenn M. Greenwald 2013-8-9 7233 San Luis Obispo Central Coast, Guadalupe-Nipomo Dunes National Wildlife Refuge, north of Santa Maria River, west of Guadalupe, '4-pond Valley', Colorado Pond, c. 80 m from south refuge boundary 17 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
  OBI57380  Chenopodium pratericola David J. Keil 1998-8-19 27967 San Luis Obispo Along Huer Huero Rd., 0.6 miles SE of junction with Hwy 58. 408 Comment
  CAS-BOT-BC184857  Chloris virgata Ernest C. Twisselmann 1954-11-12 1669 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hopper Ranch, 0.25 mile west of Shandon on San Juan Road. 315 Comment
  UCR266031  Chlorogalum pomeridianum var. minus David J. Keil 2001-5-10 29448 San Luis Obispo South Coast Range, Highway 58, 4.7 road miles east from Shell Creek 524 Comment
  OBI69437  Chorispora tenella David J. Keil 2008-4-17 30513 San Luis Obispo Highway 166, 1.2 miles west of junction with Highway 33. Cuyama Valley east of Cuyama. 720 Comment
  CAS-BOT-BC178905  Chorizanthe Alice Eastwood 1928-5-19 15121 San Luis Obispo Along CHorro Cr. Comment
  CAS-BOT-BC178955  Chorizanthe angustifolia Lewis S. Rose 1950-5-13 50118 San Luis Obispo Oso Flaco Lake Region Comment
  OBI46282  Chorizanthe angustifolia David J. Keil, K. Jones, S. Cochrane, M. G. McLeod, Bernard and Lela Burdette, and Austin Griffiths 1994-3-10 18087 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
  OBI72348  Chorizanthe angustifolia Anthony Baniaga 2010-5-15 186 San Luis Obispo Black Lake Cyn; Callender Property 24 Comment
  SD211668  Chorizanthe angustifolia Barbara Ertter 1989-5-23 8481 San Luis Obispo Unical Oil Refinery, ca. 4.0 air miles south of Oceano, at bend in Highway 1 just across railroad tracks from parking area. Comment
  UCSB37281  Chorizanthe angustifolia Edge, Lyda 1972-5-8 San Luis Obispo north of Los Osos Valley Road, Los Osos. Comment
  CAS-BOT-BC178978  Chorizanthe biloba R. F. Hoover 1946-6-2 6128 San Luis Obispo La Panza District, E of pine belt, not far from San Juan River, quite near La Panza Ranch Comment
  CAS-BOT-BC178979  Chorizanthe biloba R. F. Hoover 1969-6-3 11366 San Luis Obispo Windmill Creek, La Panza district Comment
  OBI57067  Chorizanthe breweri G. F. Hrusa, T. D. Wilfred 1995-6-19 12341 San Luis Obispo Santa Lucia Mts-Cuest Ridge West. Cuesta Ridge Botanical Area Comment
  UC52562  Chorizanthe breweri W. H. Brewer Apr. 1861 456 San Luis Obispo side of dry rocky hill San Luis Obispo Comment
  UC1982137  Chorizanthe diffusa Elizabeth Kempton with James L. Reveal 2008-5-10 557 San Luis Obispo Junction of Indian Knob and Squire Canyon Roads. Comment
  UC55729  Chorizanthe diffusa Mrs. R. W. Summers 712 San Luis Obispo Comment
  UCSB17781  Chorizanthe diffusa Hardham, Clare 1962-5-31 San Luis Obispo Huason District Comment
  UC1136031  Chorizanthe douglasii T. M. Hendrix 1937-4-26 97 San Luis Obispo 3.2 mi nne Highland School; Pozo Quad. Comment
  UC1283729  Chorizanthe douglasii Beecher Crampton 1964-5-18 6978 San Luis Obispo 4.2 mi ne Santa Margarita; ne of Santa Margarita Comment
  UCR148772  Chorizanthe membranacea Ramona Robison 2000-6-10 483 San Luis Obispo Adjacent to Hwy 46 500 Comment
  NY285640  Chorizanthe obovata M. K. Brandegee 1911-1 84 San Luis Obispo Price canyon, near the coast of San Luis Obispo County, in the Upper Sonoran Zone Comment
  OBI11213  Chorizanthe obovata Robert F. Hoover 1969-7-18 11488 San Luis Obispo Price cyn Comment
  OBI58024  Chorizanthe rectispina David J. Keil, with V. L. Holland 1992-5-28 23159 San Luis Obispo Between San Luis Obispo and Arroyo Grande along Highway 227. Montecito Ridge area. Comment
  SBBG17423  Chorizanthe rectispina C. B. Hardham, C. Butterworth 1960-6-6 San Luis Obispo rocky cyn E of Atascadero Comment
  CAS-BOT-BC255268  Chorizanthe staticoides R. F. Hoover 1946-6-16 6163 San Luis Obispo La Panza District Comment
  CDA11527  Chorizanthe staticoides G. F. Hrusa 1995-5-28 12322 San Luis Obispo Black Butte Research Natural Area; Cuesta Pass, east side of US 101. Along road access to Radio Facility 2 (Peak 1), NW of Mt. Lowe. Comment
  UCR38853  Chorizanthe staticoides R. J. Rodin 1962-5-10 6875 San Luis Obispo Central Coast, About 3 mi south of Hwy 101 on Cuesta Summit Rd. on road maintained by the Forest Service and Telephone Company Comment
  CAS-BOT-BC255269  Chorizanthe staticoides R. F. Hoover 1947-5-9 7126 San Luis Obispo Summit on road from Morano Creek to Calf Canyon Comment
  SBBG94415  Chorizanthe xanti var. xanti R. F. Hoover 1967-6-4 10608 San Luis Obispo cyn in Temblor Range near N end of Elkhorn Plain Comment
  CAS-BOT-BC255380  Chorizanthe xanti var. xanti Ernest C. Twisselmann 1957-5-3 3463 San Luis Obispo Caliente Range, Padrone Spring Canyon 762 Comment
  UC1135221  Chrysolepis chrysophylla var. minor N. French 1936-1-31 707 San Luis Obispo Head of Davis Canyon; Port San Luis Quad. 457 Comment
  OBI7268  Cirsium brevistylum David J. Keil 1976-9-18 11821 San Luis Obispo 3 mi E of jctn with Orcutt Rd along Lopez Dr just past Lopez Lake dam. Small impoundment of water and surrounding hillsides Comment
  CAS-BOT-BC32808  Cirsium fontinale var. obispoense Alice Eastwood; John Thomas Howell 1936-5-6 2218 San Luis Obispo Chorro Creek Comment
  CAS-BOT-BC32809  Cirsium fontinale var. obispoense Alice Eastwood; John Thomas Howell 1936-5-6 2218 San Luis Obispo Chorro Creek Comment
  IRVC29592  Cirsium fontinale var. obispoense Mark A. Elvin, Nic Huber 2006-3-30 4626 San Luis Obispo San Luis Obispo; N-side of Laguna Lake, at base of hill. Central Coastal 61 Comment
  RSA312493  Cirsium loncholepis Malcolm A. Nobs, S. Galen Smith 1949-6-23 849 San Luis Obispo Oso Flaco Lake, 4 miles northwest of Guadalupe Comment
  OBI81596  Cirsium occidentale Jill M. Bushakra, John Bushakara 2000-6-4 39 San Luis Obispo c. 2 miles north of Piedras Blancas Light Station on Hwy 1, west side of road. 30 Comment
  POM147860  Cirsium occidentale var. compactum J. B. Feudge 1927-6-30 1800 San Luis Obispo Cambria. Comment
  SBBG109834  Cirsium occidentale var. lucianum C. B. Hardham 1958-5-13 3288 San Luis Obispo Cerro Alto Comment
  CAS-BOT-BC285666  Cirsium occidentale var. occidentale Roxana S. Ferris 1953-7-24 12693 San Luis Obispo Black Lake Canyon, ca. 4 mi. SE of Oceano, just E of State Highway 1 and SPRR tracks Comment
  OBI7894  Cirsium occidentale var. occidentale G. L. Parsons 1976-6-2 138 San Luis Obispo Baywood Park Comment
  OBI42231  Cirsium occidentale var. venustum David J. Keil, V. L. Holland 1986-5-26 19606 San Luis Obispo Oak Shores dev on N shore of Nacimiento Lake Comment
  RSA302624  Cirsium occidentale var. venustum J. R. Shevock 1972-4-1 1521 San Luis Obispo La Panza Range 793 Comment
  CAS-BOT-BC285854  Cirsium vulgare Ernest Brown 1969-7-23 s.n. San Luis Obispo Lucy Brown Place, hills west of Palo Prieta Canyon, eastern San Luis Obispo County Comment
  RSA748775  Clarkia Peter L. Morrell, K. L. Kendrick 1996-5-19 491 San Luis Obispo upper Cuyama Valley, off Hwy 166 along old state highway, c. 15 miles (air) NE of Santa Maria 277 Comment
  RSA142599  Clarkia affinis Clare B. Hardham 1960-5-17 5758 San Luis Obispo Santa Lucia Mountains: Hills south of Bee Rock. Comment
  UCSB40023  Clarkia affinis Sauls, Mary 1978-5-15 San Luis Obispo 13.2 miles southeast of junction with Hwy 58; on road to Santa Margarita Lake Comment
  CAS-BOT-BC172293  Clarkia bottae R. F. Hoover 1969-6-22 11382 San Luis Obispo Chorro Creek Canyon (Serrano Canyon) Comment
  UCR160384  Clarkia bottae George K. Helmkamp, E. A. Helmkamp 2005-6-9 9618 San Luis Obispo Central Coast Ranges, Arroyo Grande to Huasna Road along Arroyo Seco Creek, 9.6 miles NE of Huasna Townsite Road 378 Comment
  CAS-BOT-BC172283  Clarkia bottae Mrs. R. W. Summers 1882-4-1 s.n. San Luis Obispo Sta. Margarita hills, E. of Sta. Lucia Range 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
  UCD15622  Clarkia cylindrica R. B. Kelley 1985-4-14 159 San Luis Obispo San Luis Obispo County: Polonio pass, 5 miles SE of SR 46 and SR 47 junction, on SR 46. 537 Comment
  UC1071968  Clarkia cylindrica subsp. cylindrica H. Lewis and C. Epling 1947-5-5 207 San Luis Obispo 5.3 mi s Hwy. 178 (Soda Lake Rd.) Comment
  OBI65852  Clarkia heterandra D. R. Miller 1994-5-27 594 -388 San Luis Obispo Pine Mt Region. On D.R. Miller propery, E slope of Pine Mt; Tobaco crk drainage 700 Comment
  SD71129  Clarkia modesta R. F. Hoover 1952-5-11 8198 San Luis Obispo Burned area at Navajo Camp; La Panza Range. Comment
  OBI58330  Clarkia modesta David J. Keil, with Kathleen A. Keil 1998-5-26 27453 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
  OBI66537  Clarkia prostrata David J. Keil 1997-5-8 26246 San Luis Obispo Along highway 1, 1.2 miles south of turnoff to hearst san simeon state historic monument, just north of little pico creek bridge. 15 Comment
  UC1122409  Clarkia purpurea subsp. quadrivulnera H. C. Lee 1936-5-15 661 San Luis Obispo 3/4 mi e Loma Pelona; Nipomo Quadrangle Comment
  UCR160292  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp 2004-5-1 8554 San Luis Obispo Central Coast, south of Arroyo Grande along Calif. Hwy 1, south of Callender Rd beside Conoco-Phillips refinery 30 Comment
  UCR160967  Clarkia purpurea subsp. quadrivulnera George K. Helmkamp, E. A. Helmkamp 2005-6-12 9657 San Luis Obispo South Central Coast Range, Along Calif. Highway 229 (road to Creston), 5.5 mi N of Calif. Highway 58; beside West Branch of Huerhuero Creek 363 Comment
  CAS-BOT-BC163957  Clarkia purpurea subsp. quadrivulnera Ernest C. Twisselmann 1956-5-28 2861 San Luis Obispo Summit of Palo Prieta Canyon 609 Comment
  OBI60025  Clarkia purpurea subsp. quadrivulnera David J. Keil, V. L. Holland 1992-5-28 23169 San Luis Obispo Canada Verde between San Luis Obispo and Arroyo Grande along SW side of hwy 227 on Silva property near Patchett Rd Comment
  RSA495287  Clarkia purpurea subsp. viminea L. D. Gottlieb 1988-6-22 8834 San Luis Obispo West of Paso Robles, on Klau Mine Road, 0.1 mile south of intersection with Adelaida Road Comment
  CHSC85468  Clarkia speciosa subsp. immaculata G. F. Hrusa 1998-7-21 14749 San Luis Obispo Central California. South Coast Ranges. On roadcut and in grasslands on ROW side of fence adjacent to Price Canyon Rd. 2 mi. SW of intersection with Hwy 227 at Edna. 95 Comment
  IRVC29495  Clarkia speciosa subsp. immaculata Mark A. Elvin, LynneDee Althouse 2006-5-25 4915 San Luis Obispo NW portion of Arroyo Grande; James Way X La Canada. Central Coastal 61 Comment
  JEPS43749  Clarkia speciosa subsp. immaculata Rhoda Reed 1916-5-21 San Luis Obispo Cavitas Canyon San Luis Obispo Comment
  OBI12087  Clarkia speciosa subsp. immaculata Robert F. Hoover 1966-1 San Luis Obispo Comment
  UCSB57227  Clarkia speciosa subsp. immaculata Penkala, B.; Callaway, R.; Ryan, P. 1987-6-19 San Luis Obispo West side of Price Canyon Road, 7/8 mile south from its junction with Hwy. 227, Arroyo Grande 73 Comment
  CAS-BOT-BC165357  Clarkia speciosa subsp. speciosa Ernest C. Twisselmann; Donald J. Bedell 1969-7-5 15652 San Luis Obispo Salinas River 5 miles south of Paso Robles 182 Comment
  UC454546  Clarkia speciosa subsp. speciosa J. E. Roadhouse 538 San Luis Obispo Poly Canyon Comment
  JEPS43743  Clarkia speciosa subsp. speciosa Miss Rhoda R. Reed 1915-6-27 San Luis Obispo Santa Margarita Valley Comment
  RSA108157  Clarkia speciosa subsp. speciosa C. Epling, R. P. Levine, D. Mitchell 1948-6-12 525 -A San Luis Obispo 14.8 miles east of Santa Margarita on road to Pozo Comment
  LA206101  Clarkia tembloriensis H. Lewis; M. Lewis 1952-5-1 909 P San Luis Obispo Creston- La Panza Ranch road, 3.6 mi from highway 178 Comment
  RSA682341  Clarkia unguiculata Scott D. White, Ken McDonald 2001-5-9 8499 San Luis Obispo Central Coast: Price Cyn, inland from Pismo Beach. Union Pacific RR Right of Way, Edna to Pismo Beach. 6 Comment
  SBBG117860  Clarkia unguiculata E. Painter, M. Wetherwax 2000-6-13 SLO 148 San Luis Obispo first ridge W of Cerro Romualdo, just above small Eucalyptus grove remaining from old homestead; Camp San Luis Obispo 100 Comment
  SBBG28634  Clarkia unguiculata E. C. Twisselmann 1967-5-23 13108 San Luis Obispo Cottonwood Pass 502 Comment
  RSA649935  Clarkia unguiculata Shelley MacKay 1971-5-8 94 San Luis Obispo Along the Nacimiento S Fergusson Road about 20 miles off the G14. 457 Comment
  SEINET10837682  Clarkia unguiculata Tim Holtsford 1992-5-16 Holtsford 920516 -3 San Luis Obispo Enter los padres nf from hwy 58 at navajo rd, head s into nf, 1.8 mi later go Left at "t" then stay right at "v" (head toward navajo camp). After crossing A wash immediately take a hard (<90o) left turn (don't go through a big metal Gate). The pop extends from about 300-1000 yards down this rd which heads e-w Along a creek/wash. N-facing slope with oaks, ribes, rhus. Several hundred Plants, just beginning to flower. Comment
  SBBG118509  Claytonia exigua subsp. glauca M. Wetherwax, E. Painter 2001-4-29 CR 478 San Luis Obispo top of Palisades above Nacimiento River and Boy Scout Rd; Camp Roberts 290 Comment
  OBI65753  Claytonia gypsophiloides D. R. Miller/S. G. Ayres/G. Edmunson 1995-4-23 495 -570 San Luis Obispo Pine Mt Region. Above Cline Cabin on tobacco Rd,Tobacco crk drainage 488 Comment
  SFV16393  Claytonia perfoliata P. M. Schiffman 1993-4-10 s. n. San Luis Obispo Carrizo Plain Carrizo Plain Natural Area. Washburn Ranch, just north of intersection of Soda Lake Road and Panorama Road (formerly San Diego Creek Road). Comment
  OBI17807  Claytonia perfoliata subsp. perfoliata Penelope Blackmer 1973-4-9 39 San Luis Obispo Pennington Crk downstream from fork in Penn. Ck in SW corner of Penn ck bio reserve Comment
  RSA518261  Clematis lasiantha Steven A. Junak 1990-5-1 4304 San Luis Obispo Santa Lucia Mtns, at N edge of Cuesta Ridge Botanical Area, along old trail on ridge about .55 miles E of W Cuesta Ridge Road, S of second high voltage tower E of W cuesta Ridge Road. 579 Comment
  SEINET10335369 Image available Clematis lasiantha Lewis S. Rose 1934-3-27 34116 San Luis Obispo Sun Luis Obispo. Comment
  IRVC28950  Clematis ligusticifolia G. K. Helmkamp 2003-9-21 8165 San Luis Obispo Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande Central Coast 46 Comment
  SBBG34867  Clematis ligusticifolia Mrs. R. W. Summers -Jul-1886 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  CAS-BOT-BC92707  Clematis ligusticifolia Ernest C. Twisselmann 1954-6-27 1406 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Horseshoe Canyon, central Temblor Mountains. 853 Comment
  HSC91554  Clinopodium douglasii Susan H. Bicknell 1989-4-20 San Luis Obispo Montano de Oro State Park, MDO 36 Comment
  OBI32146  Clinopodium douglasii David J. Keil, Rhonda Riggins, Dirk Walters, Malcolm McLeod, Melissa Luckow, et al 1981-4-11 14368 San Luis Obispo N of San Simeon along ridge just S of Arroyo de la Cruz Comment
  OBI71658  Clinopodium douglasii David J. Keil 1988-7-2 20841 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  UC55387  Collinsia bartsiifolia var. davidsonii J. H. Barber 1899-5-28 San Luis Obispo near Creston Comment
  CDA16197  Conicosia pugioniformis G. F. Hrusa, D. Ragan 1999-4-21 15012 San Luis Obispo Oceano Dunes; Oceano Dunes, immediately W of Callender Rd. 106 Comment
  SFV1133  Conicosia pugioniformis M. A. Piehl 1962-5-23 62303 San Luis Obispo Just north of Oso Flaco Lake. 6 Comment
  OBI31675  Conium maculatum Smeltzer, Turnquist 1982-4-21 62 San Luis Obispo Collected from rear parking area along NE lake edge in Laguna Lake Park Comment
  OBI40736  Conium maculatum David J. Keil, Dirk Walters 1986-5-2 19344 San Luis Obispo Santa Lucia Mts just N of San Luis Obispo in Reservoir Cyn 305 Comment
  RSA80353  Conium maculatum F. W. Peirson 1923-6-26 7296 San Luis Obispo South of San Luis Obispo Comment
  CAS-BOT-BC285990  Conyza bonariensis Clare B. Hardham 1956-10-27 1484 San Luis Obispo Perry Ranch, South River Road, Paso Robles Comment
  JEPS35086  Cordylanthus rigidus subsp. rigidus R. F. Hoover 1964-8-14 9382 San Luis Obispo Oak Park District Comment
  CAS-BOT-BC287043  Coreopsis calliopsidea Alice Eastwood; John Thomas Howell 1935-3-25 2033 San Luis Obispo W side of Cottonwood Pass Comment
  CAS-BOT-BC287062  Coreopsis calliopsidea Mrs. R. W. Summers 1888-4-10 s.n. San Luis Obispo La Panza Comment
  UC572638  Coreopsis calliopsidea N. H. French 1937-3-9 879 San Luis Obispo Carrizo Plains McKittrick Quadrangle, Carrizo Plains 609 Comment
  CAS-BOT-BC287056  Coreopsis calliopsidea Ernest C. Twisselmann 1955-3-22 1758 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Low Ridge at E edge of Soda Lake 594 Comment
  RSA329553  Coreopsis calliopsidea Gary D. Wallace 1966-4-2 279 San Luis Obispo Crocker Springs Road, Crocker Canyon in the Temblor Range. 2 miles past oil fields, 13 miles NW of Taft and south of McKittrick. 945 Comment
  CAS-BOT-BC287118  Coreopsis douglasii R. F. Hoover 1950-3-28 7769 San Luis Obispo Poly Canyon Comment
  CAS-BOT-BC287119  Coreopsis douglasii R. F. Hoover 1948-4-17 7468 San Luis Obispo San Juan River S of Shandon Comment
  HSC91703  Corethrogyne filaginifolia Susan H. Bicknell 1988-8-15 San Luis Obispo Montano de Oro State Park, MDO 1 and 2 Comment
  RSA507756  Corethrogyne filaginifolia J. C. Semple, S. Heard 1986-8-24 8618 San Luis Obispo Morro Bay Beach dunes N of 'The Rock' Comment
  UC1314920  Corethrogyne filaginifolia R. F. Hoover 1967-9-13 10864 San Luis Obispo Oso Flaco Lake Comment
  OBI59272  Corethrogyne filaginifolia Austin P. Griffiths 1980-11-18 s.n. San Luis Obispo Pismo Dunes. On ocean-facing shoulder of transverse dune just within oceanfront dune system, ca 1/3 way S of Grover City beach ramp towards Oceano ramp Comment
  CAS-BOT-BC209814  Cornus glabrata Clare B. Hardham 1956-5-15 706 San Luis Obispo Santa Lucia Mountains. Peachy Canyon Comment
  UC1927950  Cornus glabrata D. R. Miller 2007-5-18 507 -851 San Luis Obispo Bear Canyon (Tony Clarkes property) 426 Comment
  POM97536  Cornus glabrata P. A. Munz 1926-4-9 10219 San Luis Obispo Willow Creek Road, 10 miles SW of Paso Robles Comment
  UCR115773  Cornus sericea subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2000-4-20 5398 A San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  OBI79125  Cortaderia selloana David J. Keil 2011-11-5 31162 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Vicinity of intersection of Mountain View Drive and Halcyon Road 15 Comment
  OBI77985  Crassula connata David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel and Richard Pimentel 1982-3-13 15724 San Luis Obispo Pennington Crk Bio Reserve, W of San luis Obispo Comment
  CAS-BOT-BC427827  Crassula connata Clare B. Hardham 1956-3-10 186 San Luis Obispo Santa Lucia Mountains. Chimney Rock Ranch Comment
  OBI42336  Crassula tetragona David J. Keil 1986-6-3 19634 San Luis Obispo Sand rd at S end of Broderson Ave, Los Osos Comment
  OBI65776  Crassula tillaea D. R. Miller 1998-4-24 498 /684 San Luis Obispo Pine Mt Region. Next to main rd at La Costa gate area Comment
  OBI55355  Crassula tillaea David J. Keil 1998-4-7 26590 San Luis Obispo 0.5 mi. N from Hwy 58 on Hwy 229. 396 Comment
  OBI17165  Crocanthemum scoparium Robert F. Hoover 1969-9-21 11600 San Luis Obispo S end of Morro Bay Comment
  OBI19939  Crocanthemum scoparium Walter F. Chesebro 1979-3-10 102 San Luis Obispo Indian Knob. 2.5 mi from last gate on Davenport Crk rd Comment
  OBI14420  Croton californicus Robert F. Hoover 1969-9-21 11604 San Luis Obispo S end of Morro Bay Comment
  OBI53891  Croton californicus Arthur W. Hazebrook 1992-10-25 158 San Luis Obispo Nipomo Dunes Complex, Big Coreopsis Hill, trl along base of NE facing slope Comment
  OBI22949  Crypsis schoenoides David J. Keil 1979-10-27 13641 San Luis Obispo Estern 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
  OBI59053  Crypsis schoenoides David J. Keil 1998-8-24 28014 San Luis Obispo Los Padres National Forest, N of Rock Front Ranch in Brown Canyon and vicinity, T32S R R18E Sect. 24. Comment
  UC573256  Cryptantha circumscissa D. Axelrod 1935-5-31 258 San Luis Obispo 2 mi e Cuyama Valley; Santa Inez Quad. 670 Comment
  SBBG30899  Cryptantha clevelandii R. N. Philbrick 1968-6-7 San Luis Obispo just N of Oso Flaco Lake Comment
  RSA518080  Cryptantha clevelandii Steven A. Junak 1990-4-26 4193 San Luis Obispo Santa Lucia Mountains. Near N boundary of Cuesta Ridge Botanical Area, ca. 0.4 miles S of Tassajera Creek Road at S end of dirt road at Ames property, which is ca. 1.8 miles W of intersection with Highway 101. 518 Comment
  UC280374  Cryptantha clevelandii Katharine Brandegee San Luis Obispo near San Luis Obispo; Chorro Station Comment
  OBI48251  Cryptantha clevelandii var. clevelandii David J. Keil 1989-5-3 21209 San Luis Obispo San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessed from end of Diablo Dr at site of proposed Irish Hills Golf course Comment
  OBI72378  Cryptantha clevelandii var. clevelandii Anthony Baniaga 2010-5-22 225 San Luis Obispo Black Lake cyn, Callender property 19 Comment
  SBBG93669  Cryptantha clevelandii var. florosa S. A. Junak 1990-5-15 4329 San Luis Obispo near S edge of Cuesta Ridge Botanical Area, on W side of upper middle fork of Chorro Crk, along old rd on W side of Pick and Shovel Mine, ca. 0.1 mi S of house ruins 579 Comment
  OBI77604  Cryptantha clevelandii var. florosa Steven A. Junak 1990-5-15 4329 San Luis Obispo Cuesta Ridge Botanical Area, Los Padres Natl forest. Santa Lucia Mts: near S edge of Cuesta Ridge Botanical Area, on W side of upper middle fork of Chorro Crk, along old rd on W side of Pick and Shovel Mine, about 0.1 mi S of house ruins 579 Comment
  CDA16335  Cryptantha flaccida G. F. Hrusa 2000-4-1 15322 San Luis Obispo Carrizo Plain; Hills above and to W of Swain pasture camp. 762 Comment
  OBI71016  Cryptantha flaccida G. F. Hrusa 2000-4-10 15322 San Luis Obispo Carrizo Plain Natural area. HIlls above and to W of Swain pasture camp. UTMs 11S, 3882873N, 0255686E 762 Comment
  CDA11377  Cryptantha intermedia G. F. Hrusa 1995-4-15 12097 San Luis Obispo La Panza Range; Adjacent to Queen Bee Camp 1 m. S of La Panza Rd. summit. Comment
  SBBG11815  Cryptantha intermedia C. B. Hardham 1958-4-29 3140 San Luis Obispo Camatta Ranch, E of Creston Comment
  UCR24789  Cryptantha leiocarpa George K. Helmkamp 1979-7-7 s.n. San Luis Obispo Central Coast, Baywood Park, near Morro Bay 30 Comment
  OBI77769  Cryptantha muricata David J. Keil 1998-5-4 27060 San Luis Obispo Los Padres National Forest. Just S of junction with Hwy 58 on Red Hill Rd. T29S R16E S1/2 S17. Comment
  OBI82683  Cryptantha nevadensis David J. Keil, with Lynne Dee Althouse and Shannon Henke 2016-2-26 33515 San Luis Obispo Southeast of Cholame in southern Cholame Valley along San Andreas Fault zone 530 Comment
  UC2026997  Cryptantha nevadensis Greg Wilvert 2005-3-24 29 San Luis Obispo Southeast Half of the Caliente Range. Approx. 1.6km NNW of Wells Canyon Comment
  OBI20798  Cryptantha oxygona Robert F. Hoover 1967-4-16 10469 San Luis Obispo Elkhorn Hills Comment
  UC2027081  Cryptantha pterocarya Greg Wilvert 2005-4-25 318 San Luis Obispo Southeast Half of the Caliente Range: 1.1 km SW of Wells Spring Comment
  NY16821  Cupressus sargentii C. B. Wolf 1934-11-3 6216 San Luis Obispo This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA0089856  Cuscuta californica var. californica Dean Wm. Taylor, Alison Colwell 2003-6-28 18567 San Luis Obispo La Panza Range: Turkey Flat trailhead, Los Padres National Forest; along Navajo Road [Forest Road 29S02] 0.9 miles North of the junction, Park Hill Road. 579 Comment
  SBBG96361  Cuscuta californica var. californica E. A. Purer 1932-8-28 San Luis Obispo Oceano Comment
  OBI45676  Cuscuta californica var. papillosa David J. Keil, M. A. Corky Matthews, Janet Haden, Suzane Schettler, Steve Edwards, and Jim Pittman 1988-6-11 20710 San Luis Obispo N of San Simeon along system of ridges and cyns just N of Arroyo de la Cruz Comment
  OBI45680  Cuscuta occidentalis David J. Keil, M. A. Corky Matthews, Janet Haden, Suzane Schettler, Steve Edwards, and Jim Pittman 1988-6-11 20705 San Luis Obispo N of San Simeon along ridge Just S of Arroyo de la Cruz Comment
  OBI14801  Cuscuta salina Robert F. Hoover 1946-10-15 6498 San Luis Obispo Avila Comment
  UCD125896  Cuscuta subinclusa G. F. Hrusa 1987-6-19 5426 San Luis Obispo San Luis Obispo County: common on lower slopes of Canyon of Coon Creek. SE of Montana de Oro State Park. 45 Comment
  CAS-BOT-BC287321  Cynara cardunculus R. F. Hoover 1964-6-9 9005 San Luis Obispo On and near Fredericks Street Comment
  OBI16618  Cynara cardunculus subsp. cardunculus Robert F. Hoover 1964-6-14 9109 San Luis Obispo In vacant lots on Grand ave near hwy 101 overpass Comment
  SBBG127399  Cynara cardunculus subsp. flavescens D. Keil 2008-8-30 30558 San Luis Obispo Huasna Rd SE of Arroyo Grande, 3 mi SE of jct with Branch Mill Rd 107 Comment
  OBI75828  Cynoglossum grande Al Lindholm 1971-4-8 145 San Luis Obispo Fitzhugh property [6 mi N of Cayucos, Santa Lucia Mts. Cypress Mtn Quad, T28S, R10E, sect 3,4,5,8,9,10, 15,16,17. 1000-acre property containing within its boundaries the origins of Cottontail, Cayucos, Villa, and Cienega Crks. N slope of Geode Mtn near pond 460 Comment
  RSA77808  Cynoglossum grande F. W. Peirson 1925-3-24 5664 San Luis Obispo Morro Creek Divide. 427 Comment
  OBI17022  Cyperus eragrostis F. Rush Jun-56 43 San Luis Obispo SE slope, Mt SLO Comment
  UCD141041  Cyperus eragrostis G. K. Helmkamp; Elizabeth Helmkamp 2005-6-12 9669 San Luis Obispo San Luis Obispo County: South Central Coast Range: along CA Highway 229 (road to Creston), 5.5 miles north of CA Highway 58; beside West Branch of Huerhuero Creek. 363 Comment
  RSA586362  Cyperus eragrostis F. L. Johnson, E. A. Young 1993-5-23 ROB 0532 San Luis Obispo 1 km SW of Ranch House on Nacimiento Road. Comment
  OBI35117  Cyperus erythrorhizos Eric Wise 1983-6-30 1714 San Luis Obispo Aquatic Tracheophytes of San Luis Obispo County. Santa Margarita Lake: Man-made reservoir in Salinas River chnl Comment
  OBI58902  Cyperus erythrorhizos David J. Keil 1998-8-19 27954 San Luis Obispo Salinas River at Las Pilitas Rd. 347 Comment
  OBI72955  Cyperus esculentus David J. Keil, with V. L. Holland and Lynne Dee Oyler 1991-9-5 22606 San Luis Obispo Dunes south of Oso Flaco Lake Comment
  UCR159299  Cyperus esculentus George K. Helmkamp, E. A. Helmkamp 2004-7-12 8755 San Luis Obispo Central Coast, Nipomo Mesa. Mesa Dunes Mobile Home Park along Mesa View Dr. 0.2 mi south of Jct with Halcyon Rd. (SE of Oceano) 76 Comment
  OBI2524  Dactylis glomerata Larry E. Brown 1971-6-12 2030 San Luis Obispo In the Silver City Mobile Home park in San Luis Obispo Comment
  OBI59078  Dactylis glomerata David J. Keil 1998-6-15 27841 San Luis Obispo Santa Rita Creek Rd., between Cayucos and Templeton, 2.3 miles E from junction with Old Creek Rd. Comment
  OBI62107  Datisca glomerata P. A. Holden 1968-7-30 499 San Luis Obispo At edge of Lopez Crk, in upper Lopez Cyn Comment
  OBI27361  Daucus pusillus Nancy E. Arnold, Robert L. Allen 1981-5-20 344 San Luis Obispo Chap area burned on 31 July, 1980. CDF fire no. 53-265. 7.6 mi NE of Santa Margarita, Calf cyn, N end of La Panza Mts 305 Comment
  OBI33394  Daucus pusillus David J. Keil, V. L. Holland, Rhonda Riggins, and John Madok 1980-5-16 13975 -1 San Luis Obispo Ca. 1 mi N of Piedras Blancas Lighthouse Comment
  SBBG60945  Deinandra corymbosa M. M. Miles -Jul-1885 711 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  UC89138  Deinandra corymbosa K. Brandegee 1888-6-1 San Luis Obispo San Simeon Comment
  OBI16260  Deinandra fasciculata Robert F. Hoover 1965-5-14 9364 San Luis Obispo E Fork Corral de Piedra crk Comment
  OBI59242  Deinandra increscens subsp. increscens G. F. Hrusa 1998-7-21 14746 San Luis Obispo South Coast Ranges. Price Cyn Rd 2 mi Sw of intersection with hwy 227 at Edna. USGS Quad. Arroyo Grande NE 7.5 95 Comment
  CAS-BOT-BC299368  Deinandra increscens subsp. increscens L. R. Abrams 1920-7-24 7650 San Luis Obispo Atascadero to Atascadero Beach Comment
  CAS-BOT-BC299369  Deinandra increscens subsp. increscens Mary Page Ingalls 1912-7-1 s.n. San Luis Obispo Haynes Ranch Comment
  UC185673  Deinandra increscens subsp. increscens Katharine Brandegee 1912-1 San Luis Obispo Comment
  OBI16195  Deinandra pallida Robert F. Hoover 1967-4-1 10325 San Luis Obispo Cyn in Temblor range near N end of Elkhorn Plain Comment
  CAS-BOT-BC131028  Deinandra paniculata R. F. Hoover 1966-9-12 9978 San Luis Obispo Site of Bellevue - Santa Fe School, just north of Hidden Valley Hot Springs Comment
  CAS-BOT-BC131029  Deinandra paniculata R. F. Hoover 1965-10-6 9716 San Luis Obispo 4 mi. n. of Pozo Comment
  CAS-BOT-BC292048  Deinandra pentactis John Thomas Howell 1929-10-12 4468 San Luis Obispo On Atascadero Creek, 5.2 miles w. of Atascadero Comment
  CAS-BOT-BC292049  Deinandra pentactis Clare B. Hardham 1982-8-28 25192 San Luis Obispo Headwaters, West Branch Huero Huero [Huerhuero] R. 426 Comment
  UCD131169  Deinandra pentactis L. P. Janeway 1988-5-22 2685 San Luis Obispo San Luis Obispo County: ca. 5 air miles east of Creston near upper reaches of Huerhuero Cr. 426 Comment
  UCSB22045  Deinandra pentactis Tanowitz, Barry 1974-7-29 San Luis Obispo Across from A & W Root Beer, 1/4 mile from Hwy. 101 off ramp from Atascadero, on El Camino 280 Comment
  OBI79083  Delairea odorata David J. Keil 2011-11-5 31142 San Luis Obispo Oceano. Norswing Drive near intersection with Coolidge Drive 6 Comment
  OBI51933  Delairea odorata Larry Kelly 1989-1-29 334 San Luis Obispo Pismo marsh, W along Norswing between Coolidge and Pier Comment
  CAS-BOT-BC9191  Delphinium cardinale Mrs. Baldwin 1922-7-1 s.n. San Luis Obispo Paso Robles Comment
  CAS-BOT-BC8688  Delphinium gypsophilum Alice Eastwood 1926-5-5 13883 San Luis Obispo Cholame Comment
  CAS-BOT-BC8689  Delphinium gypsophilum Roxana Stinchfield Ferris 1939-5-23 9755 San Luis Obispo about 4 miles east of Templeton in higher foothills 426 Comment
  UC1125991  Delphinium gypsophilum H. C. Lee 1937-5-17 943 San Luis Obispo 1 1/2 mi nw Linnie School; Paso Robles Quadrangle Comment
  UC118595  Delphinium gypsophilum subsp. gypsophilum Alice Eastwood 1896-5-3 San Luis Obispo McDonald's Ranch Carisa Plain Comment
  UC56068  Delphinium gypsophilum subsp. parviflorum J. H. Barber 1900-5-7 San Luis Obispo Paso Robles Comment
  CAS-BOT-BC8685  Delphinium gypsophilum subsp. parviflorum R. F. Hoover 1948-5-24 7540 San Luis Obispo West of Paso Robles on road to Adelaida Comment
  UCR84742  Delphinium hesperium subsp. pallescens Kathy Harper 1992-5-12 s.n. San Luis Obispo Foothills of Sierra Nevada Mtns., Temblor Mtns,, Highway 58, near border with Kern Co. 826 Comment
Read comments
Oct 4 2007
  UC1126012  Delphinium nudicaule G. T. Nordstrom 1937-5-10 1189 San Luis Obispo 3.1 mi se Asuncion School; Adelaida Quadrangle Comment
  UC1296255  Delphinium nudicaule R. F. Hoover 1964-5-13 8842 San Luis Obispo w Templeton; Santa Rita Creek Comment
  CAS-BOT-BC9866  Delphinium nudicaule R. F. Hoover 1969-5-20 11321 San Luis Obispo Upper Las Tablas Creek Comment
  UC569966  Delphinium parryi subsp. eastwoodiae N. K. Carlson 1936-3-20 188 San Luis Obispo two mi e Islay Hill; Arroyo Grande Quadrangle 182 Comment
  OBI10624  Delphinium parryi subsp. eastwoodiae F. W. Wakefield III 1964-4-11 91 San Luis Obispo Reservoir cyn; opposite reservoir Comment
  OBI54185  Delphinium parryi subsp. parryi David J. Keil, Kathleen Keil 1995-4-15 24873 San Luis Obispo Shell Crk Rd, ca 1/2 mi N of jctn with Calif Rte 58 Comment
  OBI54422  Delphinium parryi subsp. parryi Matthew Arterburn 1997-4-8 31 San Luis Obispo 1.3 mi on Red Hill Rd off hwy 58 610 Comment
  CAS-BOT-BC121442  Delphinium parryi subsp. parryi Clare Butterworth Hardham 1957-5-30 2095 San Luis Obispo Intersection of Las Tablas Creek and road to Camp Natoma Comment
  UCSC000274  Delphinium parryi subsp. seditiosum D. J. Norman 1969-4-12 378 San Luis Obispo Paso Robles 46 Comment
  RSA0070475  Delphinium recurvatum D. D. Keck, Jens Clausen 1935-4-10 3142 San Luis Obispo East side of Soda Lake, Carrizo Plains. 610 Comment
  RSA0070476  Delphinium recurvatum Gary D. Wallace 1966-4-2 305 San Luis Obispo In the Temblor Range midway up the Carrizo Plain. Comment
  RSA151049  Delphinium variegatum Benjamin Cobb 91 San Luis Obispo Paso Robles Comment
  LA207604  Delphinium variegatum H. Lewis; M. Lewis 1950-5-9 813 San Luis Obispo Santa Margarita to Pozo Rd., 10.6 mi. E of rd. to Creston Comment
  CAS-BOT-BC7885  Delphinium variegatum subsp. variegatum Mrs. R. W. Summers 1886-4-21 s.n. San Luis Obispo Sta. Margarita Valley Comment
  UC1126367  Dendromecon rigida T. M. Hendrix 1937-4-19 38 San Luis Obispo 4 1/4 mi ene Pozo; Los Padres National Forest, Pozo Quadrangle Comment
  UCD95200  Dendromecon rigida G. F. Hrusa; T. D. Wilfred 1995-6-19 12347 San Luis Obispo San Luis Obispo Co.: Santa Lucia Mtns. -- Cuesta Ridge West. S facing slope immed. SE of Cuest Ridge Botanical Area. 750 Comment
  CAS-BOT-BC82994  Dendromecon rigida W. R. Dudley 1905-1-2 s.n. San Luis Obispo Mountain top northwest of San Luis Obispo. Comment
  OBI80546  Dendromecon rigida Dennis Webb 2013-2-23 9 San Luis Obispo On Rocky Canyon Road, NE of Rocky Canyon Quarry, between Atascadero and Creston 411 Comment
  OBI5600  Deschampsia cespitosa Sharon Jochums 1974-5-18 232 San Luis Obispo Just S of Arroyo de la Cruz and W of hwy 1 Comment
  OBI22309  Deschampsia elongata Robert F. Hoover 1947-5-23 7179 San Luis Obispo Near Sunnyside School, Los Osos Valley Comment
  CAS-BOT-BC39707  Descurainia John H. Thomas 1959-3-20 7561 San Luis Obispo Oso Flaco Lake, a dune lake along the coast, about 17 miles south of San Luis Obispo. 15 Comment
  SBBG21201  Descurainia pinnata J. Patman 1963-4-13 1112 San Luis Obispo just S of Oceano 6 Comment
  SBBG34887  Descurainia pinnata Mrs. R. W. Summers 1888-5-18 San Luis Obispo hills by sea, San Luis Obispo County [no specific locality] Comment
  UC1126771  Descurainia pinnata C. M. Belshaw 1936-4-2 1787 San Luis Obispo 15 mi s Soda Lake (Carrizo Plain); , McKittrick Quad. 637 Comment
Read comments
Dec 5 2007
  UCR122170  Descurainia pinnata George K. Helmkamp, E. A. Helmkamp 2000-4-22 5479 San Luis Obispo Central Coast, Los Osos, between the west end of Howard Ave. and Morro Bay sand dunes 15 Comment
  CAS-BOT-BC43255  Descurainia pinnata subsp. glabra Clare B. Hardham 1958-3-31 2987 B San Luis Obispo Intersection of Shell Creek Road and Cammatti Road. Comment
  SBBG57586  Dichelostemma capitatum subsp. capitatum M. M. Miles -Feb-1886 1404 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  OBI33082  Dichondra donelliana David J. Keil, CNPS Rare Plant committee 1983-5-1 16983 San Luis Obispo Ridge system and coastal terr between Arroyo de la Cruz and Arroyo de los Chinos Comment
  OBI70778  Digitaria sanguinalis Michael Curto 2009-8-21 30636 San Luis Obispo Campus of California Polytechnic State University, San Luis Obispo. Flower bed along South Polyview Drive next to Bldg 14 (Computer Science). 35 deg. 17.979'N x 120 deg. 39.720'W 95 Comment
  SBBG93735  Diplacus aurantiacus S. A. Junak -May-1990 4371 San Luis Obispo near S end of Cuesta Ridge Botanical Area, on ridge S of first high voltage tower E of Cuesta Ridge Rd, ca. 5.9 mi W of Hwy 101 679 Comment
  CAS-BOT-BC150436  Diplacus aurantiacus L. R. Abrams 1913-7-20 5042 San Luis Obispo Cuesta Grade Comment
  SBBG130876  Diplacus aurantiacus M. C. C. Guido 2014-5-17 1 San Luis Obispo Irish Hills Madonna Trail head Comment
  SD249288  Diplacus aurantiacus Reece Camper, Chris OConnor 2014-5-20 1 San Luis Obispo San Luis Obispo. Mariposa trail, about a mile in, on the side of a hill. Comment
  OBI55176  Diplacus fremontii Greg Frugoli 1997-4-29 75 San Luis Obispo S of Queen Bee campground appx 0.25 mi. La panza Range, Los Padres NF hwy 58 burn area 658 Comment
  CAS-BOT-BC150703  Diplacus longiflorus Ernest C. Twisselmann 1956-11-3 3218 San Luis Obispo Canyonside below Salinas Dam 399 Comment
  OBI42321  Dipsacus sativus David J. Keil 1986-5-31 19628 San Luis Obispo Along Turri Rd ca 1/2 mi E of jctn with South Bay Blvd Comment
  OBI22320  Distichlis spicata Robert F. Hoover 1964-8-13 9229 San Luis Obispo Mouth of Morro Crk Comment
  OBI4149  Distichlis spicata Julie R. Potter 1969-4-30 32 San Luis Obispo Morro Bay State Park Comment
  SD39647  Dithyrea maritima Edith A. Purer 1932-8-27 4786 San Luis Obispo Northwest of Guadalupe Comment
  OBI30901  Dodecatheon clevelandii Julie M. Vanderwier 1979-2-27 98 San Luis Obispo Indian Knob tar Sands Comment
  UCSB39116  Dodecatheon clevelandii Jorgensen, Jan 1982-4-23 San Luis Obispo 22 kilometers up highway 46 from the coast. 400 Comment
  RSA123238  Dodecatheon clevelandii subsp. insulare C. M. Belshaw 1936-3-23 1707 San Luis Obispo 1.4 mi. S.S.W. of Hollister Pk. 107 Comment
  OBI59540  Dodecatheon hendersonii David J. Keil, with V. L. Holland and Michael Curto 2001-3-12 29169 San Luis Obispo Coastal side of Highway 1 along coast west of Cayucos, just east of China Harbor and west of Abalone Farm. Comment
  RSA69044  Dodecatheon hendersonii F. W. Peirson 1925-3-24 5663 San Luis Obispo Morro Creek Divide. 427 Comment
  RSA152263  Downingia cuspidata I. L. Wiggins 1926-5-9 2072 San Luis Obispo 3 miles E of Templeton. Comment
  CAS-BOT-BC159568  Drymocallis glandulosa var. glandulosa Ernest C. Twisselmann 1955-5-27 2060 B San Luis Obispo Upper Cammatta Creek - La Panza Range 548 Comment
  CAS-BOT-BC159569  Drymocallis glandulosa var. glandulosa Ernest C. Twisselmann 1956-5-15 2793 San Luis Obispo West base of York Mountain, Santa Lucia Range 213 Comment
  CAS-BOT-BC70976  Dryopteris arguta Alice Eastwood 1927-4-7 14306 San Luis Obispo Morro, San Luis Obispo Comment
  HSC91649  Dryopteris arguta Susan H. Bicknell 1988-8-18 San Luis Obispo Montana de Oro State Park Comment
  SBBG95557  Dryopteris arguta J. Eliot 1986-5-21 13 San Luis Obispo 1 mi W of TV Tower Rd off US Hwy 101 N of San Luis Obispo; small ridge above rd, W side 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
  SD114465  Dudleya caespitosa Darley F. Howe 1961-7-23 3126 San Luis Obispo Ocean bluff, 12.7 miles south of San Luis Obispo/Monterey County line. Comment
  OBI32079  Dudleya lanceolata David J. Keil 1981-6-20 14889 San Luis Obispo N of San Simeon along the channel and banks of Arroyo de la Cruz E of hwy 1 Comment
  CDA43344  Dysphania ambrosioides David J. Keil 2011-11-9 31177 San Luis Obispo Oceano Dunes State Vehicular Recreation Area. Lagoon at mouth of Arroyo Grande Creek. Comment
  OBI78839  Dysphania ambrosioides David J. Keil 2013-9-3 32013 San Luis Obispo Morro Bay State Park. Channel of Chorro Creek, just west of South Bay Blvd. 6 Comment
  OBI57378  Dysphania ambrosioides David J. Keil 1998-9-4 28095 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
  UC1529040  Eastwoodia elegans Dean W. Taylor 1986-4-20 8788 San Luis Obispo Panorama Hilla 7.5 Quadrangle (1954 edition) Elkhorn Plain (canyon opening onto n end of); Temblor Range 762 Comment
  UC1285118  Eastwoodia elegans R. F. Hoover 1952-5-25 8233 San Luis Obispo n base of Caliente Mt. (on low hills) Comment
  UCR96386  Echinodorus berteroi George K. Helmkamp 1996-9-21 1190 San Luis Obispo Coast Ranges, Santa Margarita Lake, south picnic area 396 Comment
  OBI43651  Egeria densa Eric Wise 1982-5-17 1484 San Luis Obispo Sinton South Pond on Shell Crk Rd 6.4 mi N of hwy 58 Comment
  OBI28907  Ehrendorferia chrysantha Melissa Luckow, Rhonda Riggins 1982-5-14 877 San Luis Obispo Hwy 58, 0.8 mi W of Huero-Huero Rd, 2.2 mi W of Crest O'Donovan Rd Comment
  SEINET244869 Image available Ehrharta calycina George K. Helmkamp 2002-4-20 7466 San Luis Obispo Central Coast: 0.2 mi NW of Monarch Lane, Los Osos. 9 Comment
  SEINET6631353  Ehrharta calycina Mark A. Elvin, Gleen Greenwald 2013-1 7064 San Luis Obispo Central Coastal: Guadalupe-Nipomo Dunes National Wildlife Refuge; north of Santa Maria River, west of Guadalupe, '4-pond Valley', near the middle ponds. 18 Comment
  UCD61182  Ehrharta calycina John Thomas Howell 1967-4-27 42075 San Luis Obispo San Luis Obispo Co.: Along highway near Nipomo. Comment
  HSC34995  Ehrharta calycina W. F. Cartwright 1965-4-16 56 San Luis Obispo 1 mi. S of Baywood on Los Osos Rd. Comment
  OBI35185  Eleocharis Eric Wise 1982-5-17 1480 San Luis Obispo Aquatic Tracheophytes of San Luis Obispo County. Twisselman Lake. Palo Prieto Cyn; 1/2 mi E of cyn Comment
  OBI5039  Eleocharis macrostachya Robert J. Rodin 1956-5-22 6070 San Luis Obispo Near Atascadero Comment
  RSA201684  Eleocharis palustris Robert F. Hoover 1947-4-16 6936 San Luis Obispo West base of Mt. Bishop near San Luis Obispo Comment
  OBI22613  Eleocharis parishii Robert F. Hoover 1965-9-7 9530 San Luis Obispo Santa Rita Crk W of Templeton Comment
  SBBG109781  Eleocharis parishii C. B. Hardham 1958-6-1 3489 San Luis Obispo Santa Rita Crk, W of Templeton Comment
  CDA38995  Eleocharis parishii T. Chalmers 1959-6-15 s.n. San Luis Obispo [No additional data.] 0 Comment
  OBI64614  Eleocharis parishii David J. Keil, with Margriet Wetherwax, Beth Painter, Jody Olsen, Kevin Downing, Charis Bratt, and Lynne Dee (Oyler) Althouse 2000-5-16 28717 San Luis Obispo Camp Roberts; vicinity of Twin Bridges (over Nacimiento River). Comment
  SBBG125723  Elymus farctus subsp. boreali-atlanticus D. H. Wilken with D. Keil, N. Lagrille, M. Skinner 2012-8-28 17984 San Luis Obispo W side of Pismo Dunes Natural Reserve, ca. 1.5 km SSW of Oceano Airport, ca. 1.4 km NW of W end of Big Pocket Lake 8 Comment
  SEINET14589901 Image available Elymus farctus subsp. boreali-atlanticus David Keil, Nancy Lagrille, Dieter Wilken, and Mark Skinner 2012-8-28 31511 San Luis Obispo Oceano Dunes State Vehicular Recreation Area. Foredunes and lagoon in vicinity of mouth of Pismo Creek 7 Comment
  OBI21753  Elymus glaucus Robert F. Hoover 1964-6-7 8993 San Luis Obispo San Carpoforo Crk just above Windy Point Comment
  UC576285  Elymus multisetus T. M. Hendrix 1937-5-24 211 San Luis Obispo 3 1/2 mi ne Black Mountain; Pozo Quadrangle 548 Comment
  OBI69384  Elymus pacificus Oliver Hernandez 2008-8-2 8 San Luis Obispo San Simeon Point. Cultivated Stand of Monterey Cypress and Pine 25 Comment
  OBI29889  Emmenanthe penduliflora Kristin Bryan & Carol Radike, Carol Radike 1980-6-8 7 San Luis Obispo Along S side of Park Hill Rd ca 1/4 mi W of jctn with Huer Huero Rd Comment
  SBBG95513  Emmenanthe penduliflora var. penduliflora D. Keil 1986-5-13 19433 San Luis Obispo Hi Mtn Rd near Hi Mtn Lookout Comment
  UC1284970  Encelia californica R. F. Hoover 1947-7-19 7320 San Luis Obispo n edge Santa Maria Valley (near Nipomo-Guadalupe road) Comment
  SFV15650  Ephedra californica I. E. Anderson, J. H. Nishida, R. L. Allen 1992-4-26 362 San Luis Obispo Carrizo Plain South end of Carrizo Plain. 22.0 miles north on Soda Lake Road from junction with Highway 166. 670 Comment
  OBI7496  Ephedra californica Rimo Bacigalupi, R. S. Ferris & G. T. Robbins 1955-5-24 5220 San Luis Obispo Beside US hwy 399 (and State hwy 166) in upper part of cuyama Valley 0.8 mi E of jctn with road from Ventura (US 399 Southward) 777 Comment
  OBI65002  Ephedra viridis Greg Wilvert 2005-4-5 138 San Luis Obispo SE Half of Caliente Range. 200m SE of Wells Spring 959 Comment
  SEINET244300  Epilobium brachycarpum G. K. Helmkamp, E. A. Helmkamp 2000-9-2 5969 San Luis Obispo Irish Hills; Profumo Canyon, 2.2 mi W of Los Osos Valley Rd. 137 Comment
  OBI31319  Epilobium canum Joy Nishida 1982-8-12 515 San Luis Obispo American cyn; 1.2 mi S of American Cyn campground 500 Comment
  CAS-BOT-BC166415  Epilobium canum subsp. canum David D. Keck 1933-5-5 2204 San Luis Obispo 4.5 miles west of San Luis Obispo on Morro Road Comment
  OBI12051  Epilobium ciliatum Robert F. Hoover 1964-6-11 9028 San Luis Obispo E end of Los Osos Valley Comment
  OBI26712  Epilobium ciliatum Katherine K. Muller 1965-7-27 1399 San Luis Obispo Outlet of Oso Flaco Comment
  OBI79062  Epilobium ciliatum David J. Keil 2013-8-19 31893 San Luis Obispo Morro Bay State Park portion of El Morro Elfin Forest, Los Osos 5 Comment
  UCR132056  Epilobium ciliatum subsp. ciliatum George K. Helmkamp 2003-7-31 8056 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  OBI37150  Epilobium ciliatum subsp. watsonii Eric Wise 1981-7-10 924 San Luis Obispo Atascadero Lake Comment
  SBBG24212  Epilobium minutum C. B. Hardham 1958-6-4 3541 San Luis Obispo Hwy 41, E of Cambria near Oceanic Mine Rd Comment
  OBI1028  Equisetum laevigatum R. F. Hoover 1950-5-7 7895 San Luis Obispo Between Rocky Butte and Pine Mt., Santa Lucia Range Comment
  OBI23365  Equisetum laevigatum David J. Keil 1979-5-26 13094 San Luis Obispo South of San Luis Obispo just S. of jctn. S. Higuera and U.S. 101 and East along ridgeline. Comment
  SD112404  Equisetum laevigatum Darley F. Howe 1967-4-9 4332 San Luis Obispo 14 miles west of Templeton on #46 [Hwy] 395 Comment
  OBI71815  Equisetum telmateia Michael Walgren 2009-8-26 28 San Luis Obispo CalTrans Hwy 1 right-of-way on the inland side of the bridge over Leffingwell Creek (north of Cambria). Comment
  RSA755144  Eragrostis mexicana David J. Keil 1998-6-30 27872 San Luis Obispo Carrizo Plain, west-northwest of Simmler, 1 mile west of right angle turn, 3.7 road miles from junction with Soda Lake Road. Comment
  RSA216847  Eragrostis mexicana subsp. virescens Robert F. Hoover 1966-10-8 10135 San Luis Obispo East part of Cuyama Valley, bordering irrigation field Comment
  CAS-BOT-BC284150  Eragrostis pectinacea var. pectinacea R. F. Hoover 1969-7-12 11433 San Luis Obispo Salinas River at Paso Robles Comment
  CAS-BOT-BC284161  Eragrostis pectinacea var. pectinacea Ernest C. Twisselmann 1957-8-23 4012 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo County, Temblor Range and the western San Joaquin Valley 670 Comment
  SFV15518  Eremalche exilis I. E. Anderson, J. H. Nishida, R. L. Allen 1992-4-26 377 San Luis Obispo Carrizo Plain 12.5 miles south on Elkhorn Road from intersection with Simmler Road. On slight western slope. 640 Comment
  CAS-BOT-BC209651  Eremalche parryi R. F. Hoover 1967-4-15 10456 San Luis Obispo Canyon just west of Cottonwood Canyon bridge, lower Cuyama Valley Comment
  CAS-BOT-BC214401  Eremalche parryi subsp. kernensis Eben McMillan 1952-6-19 155 San Luis Obispo Eight miles south of Soda Lake, Carissa Plains Comment
  OBI37644  Eremalche parryi subsp. kernensis Rhonda Riggins 1985-4-13 1518 San Luis Obispo Adj Shell Creek rd ca 1 mi N jctn Ca 58 Comment
  OBI8566  Eremalche parryi subsp. kernensis Craig Woods 1978-4-9 41 San Luis Obispo Carrizo Plain, 1/2 mi NW of Hurricane Rd, along Sim. soda lake rd Comment
  SBBG112555  Eremalche parryi subsp. kernensis D. Keil, K. Keil 1992-4-11 22788 -2 San Luis Obispo Belmont Trail ca. 2 mi E of Soda Lake Rd at intersection with small cross rd; Carissa Plain Comment
  OBI75644  Eremalche parryi subsp. kernensis Robert F. Hoover 1950-4-2 7797 San Luis Obispo Panorama Hills near base of Crocker grade Comment
  JEPS116483  Eremocarpus setiger Alice Le Duc 1999-6-22 412 San Luis Obispo Atascadero; ; ; on a 5+ acre parcel of land on Graves Creek, lot 31 Block 16 of Atascadero colony in the City of Atascadero Comment
  OBI58557  Eremothera boothii subsp. decorticans David J. Keil 1998-5-13 27249 San Luis Obispo Shell Creek Rd. and Hwy 58, area to N of creek and E of Hwy. Comment
  UC1122195  Eremothera boothii subsp. decorticans H. C. Lee 1937-6-1 1029 San Luis Obispo 2.5 mi w Paso Robles; Paso Robles Quadrangle Comment
  OBI58522  Eremothera boothii subsp. decorticans David J. Keil 1998-4-20 26830 San Luis Obispo Nacimiento Lake Drive, 1.3 miles W of junction with San marcos Rd., 7 road miles W of junction with US 101, W of Paso Robles. Comment
  RSA0104112  Eriastrum calocyanum R. C. Bacigalupi, G. Thomas Robbins, Keith Harrison 1955-5-16 5143 San Luis Obispo Along direct road from La Panza to Creston, 0.5 mile west of junction of Commatti Canyon Road from Shandon. 457 Comment
  SBBG82689  Eriastrum densifolium C. F. Smith 1957-10-16 5644 San Luis Obispo Dune Lakes, S of Oceano Comment
  OBI83427  Eriastrum densifolium R. F. Hoover 1946-6-30 6223 San Luis Obispo N base of La Panza Range (NW of Cammatti Ranch) Comment
  SBBG34955  Eriastrum densifolium Mrs. R. W. Summers -May-1883 San Luis Obispo near sea, San Luis Obispo County Comment
  UC574950  Eriastrum densifolium subsp. densifolium T. Craig 1933-7-3 1875 San Luis Obispo sand hills 1-3 mi s Pismo Beach 6 Comment
  LA106809  Eriastrum densifolium subsp. densifolium T. Craig; 1926-5-25 106809 San Luis Obispo 1-3 mi S of Pismo Beach 6 Comment
  UC1141468  Eriastrum densifolium subsp. densifolium Keith Harrison 1956-6-8 250 San Luis Obispo mesa w Nipomo (6.7 mi w of Oceano overpass, 4.4 mi s of junction Hwy 1 and road to Arroyo Grande, and 500 ft along hwy n of junction Hwy 1 and Ocean View Ave) Comment
  OBI72528  Eriastrum densifolium subsp. elongatum E. L. Painter & M. Wetherwax, M. Wetherwax 2001-6-12 CR- 251 San Luis Obispo Camp Roberts. Primarily inside turkey guzzler exclosure S of Boy Scout Rd 234 Comment
  UC23870  Eriastrum densifolium subsp. elongatum L. Jared 1822-3-4 San Luis Obispo Estrella South Coast Ranges Comment
  OBI62614  Eriastrum densifolium subsp. patens Bernard Miossi 1939-6-4 97 San Luis Obispo Collected along Los Osos Valley road, about 2 miles north of Sunnyside school. 30 Comment
  UC572410  Eriastrum pluriflorum A. E. Wieslander 1934-4-27 466 San Luis Obispo near San Juan River; La Panza Quadrangle 457 Comment
  OBI16583  Ericameria cuneata var. spathulata Robert F. Hoover 1963-10-26 8597 San Luis Obispo Trail to Machesna Mt. , La Panza Range Comment
  CAS-BOT-BC286808  Ericameria cuneata var. spathulata R. F. Hoover 1963-10-28 8597 San Luis Obispo Trail to Machesna Mt., La Panza Comment
  OBI4160  Ericameria ericoides Julie R. Potter 1968-12-31 6 San Luis Obispo Morro Bay state park Comment
  OBI8518  Ericameria ericoides Dave Imper 1976-11-27 6 San Luis Obispo Project located 1 mi SW of hwy 227 on Price Canyon rd. 76 Comment
  SBBG43265  Ericameria ericoides L. W. Edge 1971-2-5 San Luis Obispo Oso Flaco Lake Comment
  UC1118722  Ericameria ericoides H. C. Lee 1936-6-2 651 San Luis Obispo 1 mi nw Oceano; Arroyo Grande Quadrangle 7 Comment
  CAS-BOT-BC291295  Ericameria ericoides R. F. Hoover 1966-9-21 10074 San Luis Obispo 1 mile south of Edna on Price Canyon Road to Pismo Beach Comment
  OBI53872  Ericameria ericoides Arthur W. Hazebrook 1992-10-25 139 San Luis Obispo Nipomo Dunes Complex, Big Coreopsis Hill Comment
  SEINET5708286 Image available Ericameria ericoides Malcolm G. McLeod, David J. Keil 1975-1 K 10983 San Luis Obispo Hazard Canyon, Montana del Oro State Park.; Montana de Oro State Park Comment
  RSA212489  Ericameria ericoides var. ericoides Clare B. Hardham 1957-9-1 2537 San Luis Obispo Tierra Redondo (Bee Rock) Comment
  CAS-BOT-BC292332  Ericameria linearifolia D. E. Breedlove 1962-3-29 2080 San Luis Obispo On hilltop western edge of Carrizo Plain, 2.3 miles W of N edge of Soda Lake, on Turkey Camp Well Rd 716 Comment
  CAS-BOT-BC299080  Ericameria nauseosa var. hololeuca R. F. Hoover 1946-11-17 6560 San Luis Obispo Cuyama River, at highway bridge just below Gypsum Canyon Comment
  UC1928009  Ericameria palmeri var. pachylepis David Keil 1998-10-9 28125 San Luis Obispo California Highway 166, 0.8 road miles w of junction with Alamo Creek Road. Comment
  LA211631  Erigeron blochmaniae Mark A. Elvin; Jason Storlie 2014-10-10 7705 San Luis Obispo Guandalupe-Nipomo Dunes National Wildlife Refuge, Guadalupe Dunes; "Snakebite" North of "3-Pond Valley," no standing water present, 650 meters from South boundary of the Refuge. 18.0 Comment
  OBI25766  Erigeron bonariensis David J. Keil 1980-9-17 14205 San Luis Obispo Cyn Ranch on Shell Crk Rd 6 mi N of hwy 58 Comment
  OBI65746  Erigeron canadensis D. R. Miller 1994-11-13 1194 .541 San Luis Obispo Pine Mt Region. From Ridge Rd across from My Ridge gate, E slope of Pine Mt 914 Comment
  OBI79254  Erigeron divergens David J. Keil 2012-5-27 31358 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail Comment
  OBI16550  Erigeron foliosus Robert F. Hoover 1968-6-7 11156 San Luis Obispo Head of St. Johns Cyn Comment
  OBI35277  Erigeron glaucus H. E. Jones 1981-5-18 20 San Luis Obispo Point Piedras Blancas Comment
  UCSB22553  Erigeron glaucus Kahrmann, C. 1965-5-22 San Luis Obispo Highway 1, 6 miles south of San Simeon 12 Comment
  CAS-BOT-BC300273  Erigeron sanctarum Ynez Whilton Winblad 1937-6-18 s.n. San Luis Obispo Cambria Comment
  JEPS99255  Eriodictyon californicum Clare B. Hardham 1958-5-10 3255 San Luis Obispo Cypress Mountain, Santa Lucia Mountains Comment
  JEPS21098  Eriodictyon tomentosum G. T. Nordstrom 1937-6-17 1350 San Luis Obispo 2.9 mi ene Lime Mtn.; Adelaida Quad., ene of Lime Mtn. Comment
  OBI28552  Eriodictyon tomentosum John Jackman and Julie Truesdale, Julie Truesdale 1980-1 68 San Luis Obispo MacGillivary Ranch, Adelaida. Comment
  OBI11156  Eriogonum angulosum Robert F. Hoover 1949-5-29 7728 San Luis Obispo Cottonwood Pass, W side Comment
  CAS-BOT-BC248552  Eriogonum angulosum Ernest C. Twisselmann 1954-7-4 1422 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Summit: 7 miles south of Cholame 667 Comment
  CAS-BOT-BC248566  Eriogonum angulosum Ernest C. Twisselmann 1954-9-10 1571 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Cottonwood Pass: 1/4 mile west of Kern County Line 579 Comment
  OBI11143  Eriogonum baileyi var. baileyi Robert F. Hoover 1966-9-16 10044 San Luis Obispo Salinas river at mouth of rocky cyn Comment
  SBBG1509  Eriogonum cithariforme C. B. Hardham 1959-6-10 4806 San Luis Obispo Santa Barbara Rd, Atascadero Comment
  CAS-BOT-BC246596  Eriogonum elegans R. F. Hoover 1946-8-18 6317 San Luis Obispo North base of La Panza Range Comment
  CAS-BOT-BC246601  Eriogonum elegans R. F. Hoover 1946-8-18 6317 San Luis Obispo North base of La Panza Range Comment
  POM165490  Eriogonum elongatum Benjamin Cobb 1907-1 s.n. San Luis Obispo Near San Luis Obispo. Comment
  CAS-BOT-BC249809  Eriogonum elongatum var. elongatum Ernest C. Twisselmann 1960-9-25 6010 San Luis Obispo Twisselmann Ranch, eastern San Luis Obispo County Comment
  CAS-BOT-BC249817  Eriogonum elongatum var. elongatum R. F. Hoover 1965-9-19 9619 San Luis Obispo West edge of Carrizo Plain, west of Simmler Comment
  SD22420  Eriogonum elongatum var. elongatum Susan G. Stokes 1932-8-29 San Luis Obispo Near San Luis Obispo Comment
  CAS-BOT-BC249808  Eriogonum elongatum var. elongatum Ernest C. Twisselmann 1954-7-18 1437 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Hills at Palo Prieta Summit, 7 miles south of Cholame 609 Comment
  OBI31296  Eriogonum fasciculatum Joy Nishida, Ginger King 1982-7-2 492 San Luis Obispo 0.5 mi S of American cyn campground 549 Comment
  SBBG132558  Eriogonum fasciculatum D. Keil 1988-7-2 20879 San Luis Obispo S of Belmont Trail, E of where drainage crosses rd between Delray Rd and Cochise Rd, Carrizo Plain Comment
  OBI11105  Eriogonum fasciculatum var. foliolosum Robert F. Hoover 1965-6-17 9437 San Luis Obispo Santa Lucia Range. Ridge NW of cuesta Pass Comment
  UC1032062  Eriogonum fasciculatum var. foliolosum H. C. Lee 1936-6-13 668 San Luis Obispo 3 1/4 mi sw Stanley Mt. (Alamos Creek); Nipomo Quadrangle, Alamos Creek Comment
  OBI75663  Eriogonum fasciculatum var. foliolosum D. R. Miller 2011-9-2 911 .994 San Luis Obispo Rocky Butte/Pine Mt region. From Tobacco crkway between 1st and 2nd crossing 381 Comment
  CAS-BOT-BC250516  Eriogonum gracile R. F. Hoover 1966-9-21 10076 San Luis Obispo 1 mile south of Edna on Price Canyon road to Pismo Beach Comment
  UC771760  Eriogonum gracile R. F. Hoover 1946-8-25 6345 San Luis Obispo Price Canyon Comment
  OBI54889  Eriogonum gracile var. gracile David J. Keil 1996-9-13 26027 San Luis Obispo Along Shell Creek Road, ca. 1/4?3/4 miles n of Hwy 58. Comment
  SEINET253380  Eriogonum gracile var. gracile Susan Stokes 1932-8-29 11 San Luis Obispo Raodside field. Atascadero, Comment
  CAS-BOT-BC261187  Eriogonum heermannii var. heermannii R. F. Hoover 1953-9-9 8330 San Luis Obispo Caliente Mt. Comment
  OBI10993  Eriogonum nudum var. pubiflorum Robert F. Hoover 1965-9-29 9664 San Luis Obispo Santa Lucia Range. Tassajera Crk Comment
  CAS-BOT-BC266835  Eriogonum ordii Ernest C. Twisselmann 1958-5-12 4465 San Luis Obispo Southern Temblor Mountains just east of Panorama Hills, Temblor Range and the Western San Joaquin Valley 792 Comment
  CDA17529  Eriogonum parvifolium Austin Griffiths, Dorothy Laine 1980-6-21 s.n. San Luis Obispo Morro Bay Sandspit; Bay side 1/3 way S of point on Morro Bay Sandspit. Comment
  CAS-BOT-BC268355  Eriogonum roseum R. F. Hoover 1949-5-22 7723 San Luis Obispo 14 mi. E. of Creston on La Panza road Comment
  CAS-BOT-BC268378  Eriogonum roseum Ernest C. Twisselmann 1971-11-4 18512 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon 518 Comment
  CAS-BOT-BC268379  Eriogonum roseum Ernest C. Twisselmann 1967-8-11 13550 San Luis Obispo Mountain Springs Canyon, 2 miles west of Paso Robles 548 Comment
  RSA598545  Eriogonum roseum C. F. Smith 1991-6-28 12232 San Luis Obispo Along dirt road to Cuyama Valley, ca 2-3 mi. below Caliente Mountain ridge. Rocky roadbank. Comment
  RSA0029645  Eriogonum vimineum D. R. Miller 2011-9-2 911 -997 San Luis Obispo In Bear Canyon on 'Air Strip' cut, Tobacco Creek drainage. 500 Comment
  OBI10937  Eriogonum viridescens Robert F. Hoover 1949-5-29 7729 San Luis Obispo Cottonwood Pass, W side Comment
  OBI74346  Eriogonum viridescens Theo Fitanides, Anthony Baniaga 2010-5-7 172 San Luis Obispo Tierra Redonda Mtn BLM ACEC 594 Comment
  SD53381  Eriogonum viridescens Darley F. Howe 1962-7-23 3346 San Luis Obispo Nacimiento Lake, roadside 244 Comment
  CAS-BOT-BC304094  Eriophyllum confertiflorum Alice Eastwood; John Thomas Howell 1938-6-14 5922 San Luis Obispo Prefumo Canyon Comment
  CAS-BOT-BC304108  Eriophyllum confertiflorum Clare B. Hardham 1958-4-28 3142 San Luis Obispo W edge of Carissa Plains, Simmler - Paso Robles Rd Comment
  OBI31391  Eriophyllum confertiflorum Joy Nishida, Ginger King and Julie Oxford 1982-5-1 340 San Luis Obispo American cyn, campground, near stream 524 Comment
  OBI56614  Eriophyllum confertiflorum David J. Keil, with Rhonda Riggins and Karl Striby 1998-5-22 27385 San Luis Obispo Caliente Range. 6.1 mi. from junction with Soda Lake Road on Selby Road at junction with small abandoned dirt road. Comment
  CAS-BOT-BC304109  Eriophyllum confertiflorum Clare B. Hardham 1956-6-6 889 San Luis Obispo Santa Lucia Mts. Pass S of TX Ranch House 609 Comment
  OBI23010  Eriophyllum confertiflorum Tracey and Viola Call, Viola Call 1965-5-31 2377 San Luis Obispo 2 mi up Reservoir canyon 152 Comment
  UCSB16696  Eriophyllum confertiflorum Hardham, Clare 1963-6-18 San Luis Obispo Cypress Mt. 609 Comment
  CAS-BOT-BC295367  Eriophyllum multicaule R. C. Wenk 2007-4-22 662 San Luis Obispo Carrizo Plain National Monument, foothills of the Caliente Range, behind Washburn Ranch house, above area with blue oaks near Sulfur Spring 822 Comment
  CAS-BOT-BC301825  Eriophyllum multicaule Lewis S. Rose 1968-4-8 68032 San Luis Obispo Baywood Park, Moro [Morro] Bay 15 Comment
  OBI35481  Eriophyllum multicaule S. M. Inman 1983-4-25 13 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; in abandoned dirt rd Comment
  OBI57999  Eriophyllum staechadifolium Austin P. Griffiths 1980-6-4 s.n. San Luis Obispo At W end of stabilized dune ridges just n of Oso Flaco Lake Comment
  SD88448  Eriophyllum staechadifolium Darley F. Howe 1972-6-23 San Luis Obispo 0.3 miles north of Pico Creek on Highway 1. Comment
  RSA211961  Erodium brachycarpum E. C. Twisselmann 1969-4-24 15156 San Luis Obispo Bedell Ranch, 5 miles southeast of Creston, La Panza Range. 351 Comment
  RSA0039414  Erodium cicutarium LeRoy Gross, Evan Meyer 2014-4-15 6215 San Luis Obispo Started at Rinconnada Mine parking area, off west Pozo Road. Near 35.28989N 120.47503W. Ended at the mouth of Little Falls Creek that empties into Lopez Canyon., Near 35.24611N 120.48745W. Entered into the Santa Lucia Wilderness at the start of Little Falls Creek trail. 204 Comment
  RSA790130  Erodium texanum Colin Wilkinson, Kelly Hardwicke, H. T. Harvey 2011-4-19 15 San Luis Obispo South Coast Ranges; Carrizo Plain National Monument; southeast of Soda Lake; Caliente Foothills. Approx. 1.9 miles south of Soda Lake Rd. 806 Comment
  OBI69522  Eryngium aristulatum var. hooveri David J. Keil 2008-8-10 30555 San Luis Obispo Los Osos Valley. Boysen Ranch Wetland Mitigation area between Los Osos Valley Road and O'Connor Way west of Foothill Road. West of city limits of San Luis Obispo. 42 Comment
  RSA601878  Eryngium armatum L. C. Wheeler 1964-6-22 8504 San Luis Obispo Piedras Blancas Comment
  UC1181197  Eryngium armatum E. K. Balls 1958-7-16 23544 San Luis Obispo 0.5 mi. n. Cambria (State Hwy. 1 along cliffs) 15 Comment
  UC127435  Eryngium vaseyi Benj. Cobb 1907-1 1907 - San Luis Obispo Paso Robles Comment
  CDA16069  Eryngium vaseyi G. F. Hrusa, G. Butterworth 2000-9-3 15703 San Luis Obispo Carrizo Plain; Saucito House area, Bromley Pasture, between Saucito Rocks and Saucito Spring. 0 Comment
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Jun 23 2010
  UC771671  Eryngium vaseyi R. F. Hoover 1946-9-14 6390 San Luis Obispo Palo Prieto Pass Comment
  OBI15039  Erysimum capitatum var. capitatum Robert F. Hoover 1949-4-12 7604 San Luis Obispo E edge of Carrizo Plain, E of Simmler Comment
  SBBG50424  Erysimum suffrutescens M. R. Benedict 1969-3-2 San Luis Obispo N of Montana de Oro State Park Comment
  CAS-BOT-BC55237  Erysimum suffrutescens Mary Page Ingalls 1912-7-1 s.n. San Luis Obispo Haynes Ranch. Comment
  OBI79925  Erythranthe cardinalis David J. Keil, Michael Walgren, Lisa Andreano, Aaron Sims, and Sally Krenn 2013-7-27 31854 -1 San Luis Obispo Montana de Oro State Park. Along Coon Creek 30 Comment
  OBI19910  Eschscholzia californica Walter F. Chesbro 1978-4-9 41 San Luis Obispo Below Montana de Oro State Park 6 Comment
  OBI27564  Eschscholzia californica Melinda Doud 1976-5-19 38 San Luis Obispo Baywood Park 5 Comment
  OBI6963  Eschscholzia californica Michael Regan 1972-5-23 s.n. San Luis Obispo Cal Poly campus Comment
  OBI11820  Eschscholzia californica Robert F. Hoover 1950-4-14 7811 San Luis Obispo E side of La Panza Range Comment
  OBI53151  Eschscholzia californica Steven A. Junak 1990-5-15 4331 San Luis Obispo Cuesta Ridge Botanical Area. Los Padres Natl Forest. Santa Lucia Mts: near S edge of Cuesta Ridge Botanical Area, on W side of upper middle fork of Chorro crk, at NW corner of excavated area at Pick and Shovel Mine, along old road cut 579 Comment
  RSA585837  Eschscholzia californica subsp. californica F. L. Johnson, E. A. Young 1993-5-23 ROB 0499 San Luis Obispo Twin Bridges on Boyscout Rd. Comment
  SEINET3928301  Eschscholzia californica subsp. californica Hannah M. Fugle 2011-3-4 17 San Luis Obispo Prefumo Canyon, ca. 2.2 miles up Prefumo Canyon Road from Los Osos Valley Road.; 0 91 Comment
  CAS-BOT-BC76474  Eschscholzia lemmonii R. F. Hoover 1949-4-11 7587 San Luis Obispo Between San Juan River and Carrizo Plain. Comment
  CDA43338  Eucalyptus robusta David J. Keil 2011-11-5 31149 San Luis Obispo Oceano. Pismo State Beach. Dunes between Oceano Campground and beach. Comment
  OBI65299  Eucalyptus rudis Matt Ritter 2005-11-30 14 San Luis Obispo Just S of the old quarry up Poly Cyn Comment
  OBI68149  Eucalyptus viminalis Matt Ritter 2006-1-2 37 San Luis Obispo On Broad St. between road and French Hospital Parking Lot Comment
  OBI51335  Eucrypta chrysanthemifolia var. chrysanthemifolia Debora Guillot, Jan Barber, Jim Kilber, Sue Weis, Andrew Stackhouse 1993-6-24 1 .4 San Luis Obispo San Simeon State Park. NE corner of San Simeon State Park Comment
  OBI72241  Eucrypta chrysanthemifolia var. chrysanthemifolia Anthony Baniaga 2010-4-4 97 San Luis Obispo Tierra Redonda Mtn BLM ACEC 365 Comment
  UCR122508  Eucrypta chrysanthemifolia var. chrysanthemifolia George K. Helmkamp, E. A. Helmkamp 2001-5-2 6620 San Luis Obispo La Panza Range, Calif. Hwy 58, 11.2 miles east of Santa Margarita 488 Comment
  OBI19542  Eucrypta chrysanthemifolia var. chrysanthemifolia Walter Kent Smith 1971-2-27 9 San Luis Obispo Ormonde Rd 5 mi E of hwy 101, alongside rd Comment
  SBBG109591  Euphorbia crenulata C. B. Hardham 1957-5-10 1949 San Luis Obispo C. H. Montgomery Ranch, Willow Crk Comment
  OBI22979  Euphorbia lathyris Richard Teague 1979-11-25 3 San Luis Obispo Chorro Willows in Morro Bay 0 Comment
  UCR134697  Euphorbia peplus George K. Helmkamp 2003-9-17 8141 San Luis Obispo Central Coast, 765 Mesa View Dr., 0.2 mi south of Halcyon Rd in the Arroyo Grande area 46 Comment
  UCR202905  Euphorbia peplus George K. Helmkamp, E. A. Helmkamp 2000-3-15 5339 San Luis Obispo Central Coast, south end of Morro Bay at the west end of Howard St in Los Osos 6 Comment
  UCR266654  Euphorbia serpillifolia subsp. hirtula David J. Keil, Kathleen Keil 2002-7-28 29901 San Luis Obispo Central Coast, Paso Robles, along railroad tracks near county fairground 220 Comment
  OBI72292  Euphorbia spathulata Anthony Baniaga, Theo Fitanides 2010-4-18 126 San Luis Obispo Tierra Redonda Mtn BLM ACEC 353 Comment
  CAS-BOT-BC310718  Euthamia occidentalis Mrs. R. W. Summers 1887-10-7 929 San Luis Obispo Morro Bay Comment
  CAS-BOT-BC310719  Euthamia occidentalis Mrs. R. W. Summers 1887-10-7 929 San Luis Obispo Morro Bay Comment
  OBI23136  Extriplex californica Robert F. Hoover 1969-9-23 11606 San Luis Obispo Morro Bay, S end Comment
  CDA34240  Festuca arundinacea David J. Keil 2010-6-4 30849 San Luis Obispo Morro Bay State Park. Vicinity of Quarry Trail trailhead parking area. Comment
  OBI25161  Festuca arundinacea Ruth E. Davis 1964-5-24 111 San Luis Obispo 1023 Mill St., San luis Obispo Comment
  OBI40990  Festuca bromoides David J. Keil, Eric A. Wise 1985-4-25 18550 San Luis Obispo Black Lake Cyn between Calif hwy 1 and the Guadalupe rd Comment
  UCR42912  Festuca californica David J. Keil 1985-6-22 18931 San Luis Obispo Central Coast, Salt marsh at SW corner of Los Osos Creek Bridge at South Bay Blvd. 7 Comment
  JEPS99347  Festuca californica Clare B. Hardham 1957-4-25 1731 San Luis Obispo Cypress Mountain, N slope Santa Lucia Mountains Comment
  SBBG13527  Festuca californica C. Bornstein, E. Collins 1994-4-21 San Luis Obispo Prefumo Cyn Rd 167 Comment
  CAS-BOT-BC278313  Festuca californica subsp. californica Clare B. Hardham 1958-5-10 3311 San Luis Obispo Santa Lucia Mountains. Cypress Mt. Comment
  OBI21852  Festuca microstachys McMillan 1952-5-7 115 San Luis Obispo PInole spring 10 mi S 16 mi E Shandon Comment
  OBI21860  Festuca microstachys Eben McMillan 1952-5-2 89 San Luis Obispo Choice Valley, 1 mi S, 8 mi E of Shandon Comment
  OBI2545  Festuca microstachys Larry E. Brown 1971-4-6 1929 San Luis Obispo In Poly Cyn near Cal Poly Comment
  OBI59046  Festuca microstachys David J. Keil 1998-5-4 27046 San Luis Obispo Los Padres National Forest. Just S of junction with Hwy 58 on Red Hill Rd. T29S R16E S1/2 S17. Comment
  OBI21971  Festuca perennis Robert D. Page 1962-4-20 78 San Luis Obispo Calif State Polytechnic College, San Luis Obispo Comment
  HSC37454  Frangula californica A. M. Montalvo, J. D. Ackerman 1975-6-24 506 San Luis Obispo Cerro Alto Campground off Hwy. 41, between Altascadero and Morro Bay; In the Santa Lucia Mtns. Comment
  UCSB4022  Frangula californica Ralph, F. 1959-4-11 San Luis Obispo along the hillside of Hwy 1, 13.6 miles north of San Simeon 60 Comment
  OBI31071  Frangula californica subsp. californica Walter F. Chesbro 1978-5-6 91 San Luis Obispo Just off hwy 58 near intersection of hwy 101 and hwy 58 Comment
  CAS-BOT-BC205933  Fremontodendron californicum R. F. Hoover 1963-6-5 8562 San Luis Obispo Calf Canyon Comment
  OBI75826  Fritillaria affinis Al Lindholm 1971-4-11 148 San Luis Obispo Fitzhugh property [6 mi N of Cayucos, Santa Lucia Mts. Cypress Mtn Quad, T28S, R10E, sect 3,4,5,8,9,10, 15,16,17. 1000-acre property containing within its boundaries the origins of Cottontail, Cayucos, Villa, and Cienega Crks. N slope of Geode Mtn near pond 460 Comment
  OBI80885  Fritillaria affinis David J. Keil 2015-2-14 32629 San Luis Obispo Pismo Preserve. Along unpaved road from intersection with Thousand Hills Road westward to summit 125 Comment
  CAS-BOT-BC130289  Fritillaria biflora Rev. R. W. Summers 1884-5-6 s.n. San Luis Obispo unspecified Comment
  CAS-BOT-BC130288  Fritillaria biflora W. R. Dudley 1902-4-3 s.n. San Luis Obispo Near Dotys, vicinity Hearst Ranch Comment
  UC984902  Fritillaria biflora Ira L. Wiggins 1949-4-9 11996 San Luis Obispo 1.5 mi s of Atascadero Comment
  OBI65780  Fritillaria ojaiensis D. R. Miller 1994-4-13 494 -197 San Luis Obispo Pine Mt Region. Property, along "water trl", Tobacco crk drainage 732 Comment
  OBI5308  Fuchsia hybrida Elizabeth Gollub 1973-9-30 8 San Luis Obispo Calif Polytechnic State Univ Campus. E side of English Bldg Comment
  OBI74380  Galium andrewsii Theo Fitanides, Anthony Baniaga 2010-4-23 150 San Luis Obispo Tierra Redonda BLM ACEC. Comment
  OBI73485  Galium angustifolium subsp. angustifolium David J. Keil, with Mike Mattina 2010-5-31 30804 San Luis Obispo Western slope of Santa Lucia Mts. Los Padres National Forest. Trail system east of Ragged Point. Comment
  OBI53313  Galium aparine Lynne Dee Oyler 1986-3-21 367 San Luis Obispo Agua Escondido, USFS blue oak study area. NE of Arroyo Grande Comment
  UC455880  Galium californicum subsp. flaccidum E. P. Unangst 1906-5-30 San Luis Obispo Prefumo Canyon San Luis Obispo Comment
  RSA150998  Galium hardhamiae Clare B. Hardham 1960-6-1 5954 San Luis Obispo Santa Lucia Mountains; Headwaters of Arroyo de la Cruz and Little Burnett Creek. 610 Comment
  OBI27297  Galium porrigens Robert L. Allen, Nancy E. Arnold 1981-5-3 240 San Luis Obispo 7.6 mi NE of Santa Margarita, Calf Cyn, N end of La Panza mts. Lower portion of NW slope, in ravine area 305 Comment
  OBI51723  Galium porrigens R. Mike Arens 1994-4-9 52 San Luis Obispo Calif Polytechnic State Univ campus. In Poly cyn near Botanical Garden footbridge 244 Comment
  OBI81031  Galium porrigens Jason Dart, A. Weichert, G. Hind 2010-5-19 396 -H17 San Luis Obispo Hind River Ranch, canyons on east side of Salinas River near the south end of Crescent Lake, approximately 1.4 miles east of the intersection of Highway 58 and Pozo Road 320 Comment
  CDA16881  Galium spurium G. F. Hrusa, S. Towers 1992-3-27 s.n. San Luis Obispo Upper Salinas Valley; Hwy 46 ROW approx. 6 mi. E of Paso Robles. Comment
  CAS-BOT-BC144757  Garrya veatchii R. F. Hoover 1948-4-16 7455 San Luis Obispo Eagle Ranch, s. of Atascadero Comment
  RSA175169  Garrya veatchii Robert F. Thorne, P. C. Everett 1963-4-20 31589 San Luis Obispo Approximately two miles northwest from Cuesta Pass along Cuesta Ridge. Comment
  OBI14467  Gaultheria shallon Neil Havlik 1968-4-26 168 San Luis Obispo About 1 mi fronm end of Los Osos Valley rd Comment
  CDA5186  Gaura drummondii Berryman Jun 1940 San Luis Obispo 0 Comment
  OBI79800  Geranium carolinianum David J. Keil, with Mike Walgren & Sally Krenn 2013-3-22 31557 San Luis Obispo Montana de Oro State Park. Canyon slopes south of Coon Creek, western portion of San Luis Range. Comment
  OBI14087  Geranium dissectum Robert F. Hoover 1965-5-22 9380 San Luis Obispo Cambria, N of town Comment
  OBI73004  Geranium molle David J. Keil 2000-9-7 s.n. San Luis Obispo Santa Margarita Ranch Comment
  UC455671  Gilia achilleifolia subsp. achilleifolia I. J. Condit 1908-3-27 San Luis Obispo n slope California Polytechnic School Canyon S. Coastal, n slope California Polytechnic School Canyon Comment
  UCR122467  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp, E. A. Helmkamp 1998-5-20 4008 San Luis Obispo Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos 351 Comment
  SBBG64394  Gilia achilleifolia subsp. multicaulis M. M. Miles 1886-1 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  SBBG107025  Gilia brecciarum C. B. Hardham 1961-4-8 6795 San Luis Obispo Cottonwood Pass, E of Cholame 609 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
  UC1123800  Gilia clivorum N. K. Carlson 1936-3-19 162 San Luis Obispo 2.2 mi ne Los Berros; Arroyo Grande Quad., ne of Los Berros Comment
  RSA755131  Gilia latiflora subsp. cuyamensis David J. Keil, Rhonda Riggins 2003-4-23 30133 San Luis Obispo Caliente Range. Along main ridge northwest of Caliente Peak. 1280 Comment
  UC1023797  Gilia ochroleuca subsp. minima R. F. Hoover 1947-3-29 6783 San Luis Obispo Atascadero Comment
  CAS-BOT-BC402043  Gilia ochroleuca subsp. minima Mary E. Wall 1933-5-11 s.n. San Luis Obispo Santa Margarita, El Dorado School Comment
  SEINET7072797  Gilia tenuiflora A. G. Vestal 1963-5-15 s.n. San Luis Obispo Sandy west slope about 4.8 miles southeast of SanMiguel on the road to Estrella. Coordinate datum: NAD27. Comment
  UCD118693  Gilia tenuiflora S. P. Lynch 1974-4-22 481 San Luis Obispo San Luis Obispo County: Commatti Canyon (aka Camatta Canyon) Rd., ca. 1.1 mi. N of jct. w/ Hwy 58. Comment
  RSA195890  Gilia tenuiflora subsp. amplifaucalis E. C. Twisselmann 1967-5-8 13008 San Luis Obispo Slope north of Shell Creek 488 Comment
  SBBG39915  Gilia tenuiflora subsp. amplifaucalis M. A. Piehl 1963-4-20 6364 San Luis Obispo S bank of Salinas River near bridge 4 mi NE of Santa Margarita Comment
  SBBG109454  Gilia tenuiflora subsp. tenuiflora C. B. Hardham 1961-4-17 6824 San Luis Obispo Pine Mtn 975 Comment
  SBBG109766  Gilia tenuiflora subsp. tenuiflora C. B. Hardham 1961-5-17 7085 San Luis Obispo 4 mi W of Ocean View Mine Comment
  UC1123813  Gilia tenuiflora subsp. tenuiflora W. A. Peterson 1937-4-21 732 San Luis Obispo 1 mi n La Panza; La Panza Quad., n of La Panza Comment
  UC57516  Gilia tenuiflora subsp. tenuiflora J. H. Barber 1899-4-9 San Luis Obispo Comment
  CAS-BOT-BC226465  Gilia tenuiflora subsp. tenuiflora Mrs. R. W. Summers 1886-4-21 s.n. San Luis Obispo Sta Margarita Comment
  JEPS99371  Gilia tenuiflora subsp. tenuiflora Clare B. Hardham 1957-5-4 1860 San Luis Obispo Sierra Redondo, W end Comment
  SEINET260218 Image available Glyceria declinata P. Ashley 1992-3-5 s.n. San Luis Obispo San Luis Obispo Cal Poly State Univ campus N of Brizziolari Cr Parking lot H16 N landscaped area Comment
  OBI79436  Glycyrrhiza lepidota David J. Keil, with Matt Ritter, Mike Simpson, David Chipping, Heath Bartosh, & Taylor Crow 2013-5-2 31679 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. 400 Comment
  OBI58071  Glycyrrhiza lepidota David J. Keil 1998-8-19 27938 San Luis Obispo 2.3 miles SE of junction with Hwy 58 along Pozo Rd. 335 Comment
  UCR160561  Gnaphalium californicum George K. Helmkamp, E. A. Helmkamp 2005-6-7 9547 San Luis Obispo Outer South Coast Ranges, along Huasna Road, 1.3 mile west of Huasna Townsite Road 305 Comment
  RSA394732  Grindelia C. B. Wolf 1929-4-15 3606 San Luis Obispo Along the coast, 3 mi N of Morro Bay. 30 Comment
  UC575334  Guillenia lasiophylla David D. Keck and J. Clausen 1935-4-9 3083 San Luis Obispo Cholame 457 Comment
  UC1321239  Gutierrezia californica R. F. Hoover 1966-10-7 10131 San Luis Obispo Chalk Mountain (white hills) Chalk Mountain, Cuyama Valley (n side of Cuyama Valley) Comment
  OBI74590  Hazardia squarrosa David J. Keil, with V. L. Holland 1988-9-9 21128 San Luis Obispo North of Cayucos. West of Highway 1 on Villa Creek Road at site of partially constructed abalone farm 20 Comment
  SBBG113563  Hazardia squarrosa var. squarrosa C. B. Hardham 1956-11-19 1531 San Luis Obispo Paradise Valley Comment
  UC1285134  Hazardia stenolepis R. F. Hoover 1947-9-19 7403 San Luis Obispo foot of grade below Rinconada Mine (on road <?>) Comment
  OBI56377  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. Comment
  SBBG104448  Hedypnois cretica M. D. Proctor, E. A. Young 1993-4-16 ROB 441 San Luis Obispo ca. 1 km W of prison camp; Camp San Luis Obispo Comment
  UCD145395  Hedypnois cretica G. F. Hrusa 1995-4-16 12066 San Luis Obispo San Luis Obispo County: NW of Cuesta Pass on slope near road. Approximately 1 m NW of US 101. 750 Comment
  OBI28804  Hedypnois rhagadioloides Melissa Luckow, Rhonda Riggins and Richard Pimentel 1982-4-4 748 San Luis Obispo Huasna Rd, near bridge where the Huasna River crosses Comment
  CAS-BOT-BC306720  Helenium bigelovii R. F. Hoover 1947-8-9 7360 San Luis Obispo Between San Carpoforo Creek and Arroyo de la Cruz Comment
  SBBG109717  Helenium bigelovii C. B. Hardham 1957-6-15 2224 San Luis Obispo Villa Crk Comment
  CAS-BOT-BC309520  Helenium puberulum R. F. Hoover 1964-8-14 9261 San Luis Obispo Jack Lake Comment
  OBI16337  Helenium puberulum Robert F. Hoover 1964-8-14 9261 San Luis Obispo Jack Lake Comment
  UC1321270  Helenium puberulum R. F. Hoover 1966-10-1 10107 San Luis Obispo Vasquez Canyon Vasquez Canyon (tributary to lower Lopez Canyon) Comment
  CAS-BOT-BC211497  Helianthemum scoparium Robert F. Hoover 1969-9-21 11600 San Luis Obispo South end of Morro Bay Comment
  CAS-BOT-BC305756  Helianthus gracilentus R. F. Hoover 1952-6-10 8249 San Luis Obispo West side of La Panza Range Comment
  OBI55201  Helianthus gracilentus Greg Frugoli 1997-5-9 89 San Luis Obispo On Pozo Rd, W of the summit. La Panza Range, Los Padres, NF (hwy 58 burn area) 762 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
  UC1285246  Helianthus gracilentus R. F. Hoover 1952-6-10 8249 San Luis Obispo west side of La Panza Range west side of La Panza Range (on slope swept by fire <previous summer>) Comment
  OBI75162  Helichrysum petiolare David J. Keil 2011-5-18 31027 San Luis Obispo Campus of California Polytechnic State University, San Luis Obispo. In planter near Building 5, Architectural and Environmental Design. 93 Comment
  UCSB69406  Heliotropium curassavicum Hobson, K.; Pritchett, David 1985-6-23 San Luis Obispo Santa Maria River. Upper SE end of site about 50 feet from dune and riverbed. 6 Comment
  UCSC000619  Heliotropium curassavicum I. J. Condit 2008-7-6 s.n. San Luis Obispo Aroyo Grande, Seed Farm Comment
  OBI19381  Heliotropium curassavicum var. oculatum D. Waive Stager 1972-8-28 47 San Luis Obispo Montana de Oro State Park sand spit [on label as Morro Bay State Park] Comment
  OBI30711  Heliotropium curassavicum var. oculatum Julie M. Vanderwier 1980-11-10 s.n. San Luis Obispo Indian Knob Tar Sands; in cattle corral in E valley Comment
  CAS-BOT-BC305989  Hemizonia Ernest C. Twisselmann 1954-4-22 1109 San Luis Obispo Cholame Flats 2 miles ne. of Cholame 350 Comment
  CAS-BOT-BC314901  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1909-8-24 s.n. San Luis Obispo San Luis Obispo Comment
  UC1285372  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1947-8-17 7382 San Luis Obispo near Cambria (Santa Rosa School) Comment
  OBI16227  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1969-8-1 11514 San Luis Obispo Near Perry Crk summit just S of Cambria Comment
  OBI65971  Hemizonia congesta subsp. luzulifolia Wendy Thackery, Stacey Smith and Paul Corsi 2003-7-2 21 San Luis Obispo Central Coast Comprehensive Wetlands GIS (CCCWGIS). S of Morro Bay on Hwy 1. At Walters Crk headwaters N of hwy 1 208 Comment
  SBBG8418  Hemizonia congesta subsp. luzulifolia H. and M. Dearing 1940-6-16 4874 San Luis Obispo near San Luis Obispo Comment
  UC89023  Hemizonia congesta subsp. luzulifolia L. Jared 1892-1 San Luis Obispo Comment
  UCR132554  Hemizonia corymbosa subsp. macrocephala George K. Helmkamp 2003-8-31 8096 San Luis Obispo Central Coast, Callender Road at US-1 south of Arroyo Grande 30 Comment
  RSA94114  Hemizonia fasciculata F. W. Peirson 1923-6-26 4149 San Luis Obispo S outskirts of San Luis Obispo Comment
  RSA162561  Hemizonia halliana E. C. Twisselmann 1963-5-4 8122 San Luis Obispo Cholame Valley: jct. of Hwys 41 and 466, 1.5 miles east of Cholame 366 Comment
  UCR13892  Hemizonia increscens subsp. increscens George K. Helmkamp 1973-8-8 s.n. San Luis Obispo Central Coast, Morro Bay, Baywood Park, hillside c. 1 mi from ocean 3 Comment
  UCR161104  Hemizonia pentactis George K. Helmkamp, E. A. Helmkamp 2005-6-12 9649 San Luis Obispo Central Coast Range, along Calif. Hwy 58 (Carrizo Hwy), 22.2 miles east of Santa Margarita; near Camatta Creek 552 Comment
  OBI8957  Heracleum maximum Robert F. Hoover 1947-6-2 7256 San Luis Obispo Cambria, along Santa Rosa Crk Comment
  CHSC55391  Herniaria hirsuta subsp. cinerea L. P. Janeway; Jean Witzman 1988-4-30 2654 San Luis Obispo Near 'headwaters' of Huerhuero Cr. In dirt rd. 411 Comment
  SBBG8213  Hesperevax sparsiflora var. sparsiflora C. B. Hardham 1958-4-10 3264 San Luis Obispo Cypress Mtn Comment
  OBI56785  Hesperocnide tenella David J. Keil 1986-4-13 19180 San Luis Obispo 2 mi E from jctn with Las Pilitas Rd on Parkhill Rd. S side of hwy Comment
  OBI47498  Hesperocnide tenella David J. Keil, Rhonda Riggins 1984-4-26 18217 San Luis Obispo Along rd to Stony Crk campground Comment
  OBI64440  Hesperocnide tenella David J. Keil, with Margriet Wetherwax, Beth Painter, Jody Olsen, Kevin Downing, Charis Bratt, and Lynne Dee (Oyler) Althouse 2000-5-16 28710 San Luis Obispo Camp Roberts; vicinity of Twin Bridges (over Nacimiento River). Comment
  OBI52061  Hesperocyparis macrocarpa Larry Kelly, David J. Keil, V. L. Holland, and LynnDee Oyler 1990-4-12 399 San Luis Obispo Pismo marsh between Pismo state beach campground and Grand Ave Comment
  OBI5465  Hesperocyparis macrocarpa Sharon Jochums 1974-4-10 116 San Luis Obispo W of hwy 1 up on San Simeon Point Comment
  UC187493  Hesperolinon micranthum E. Palmer, M. D. 1876-7-22 52 San Luis Obispo near San Simeon Bay; Pine Mountain Comment
  OBI74348  Hesperomecon linearis Theo Fitanides, Anthony Baniaga 2010-5-7 181 San Luis Obispo Tierra Redonda Mtn BLM ACEC 492 Comment
  RSA144607  Hesperomecon linearis W. R. Ernst 1961-4-2 760 San Luis Obispo About 2 miles south of the Simmler-Creston road on road to La Panza Public Camp Navajo Creek Comment
  UC1873060  Hesperomecon linearis David Keil 2003-5-6 30164 San Luis Obispo Highway 58, ca. 1 mile east of Highway 229. Comment
  OBI4241  Hesperoyucca whipplei Harry Schwab 1970-5-23 13 San Luis Obispo Just beyond gate at end of Reservoir Cyn Rd, which is located half-way between San Luis Obispo and the foot of Cuesta Grade Comment
  RSA14347  Heterodraba unilateralis Roxana S. Ferris 1935-3-29 9114 San Luis Obispo 6 miles S of Soda Lake on the Maricopa Road, Carriso Plain. Comment
  OBI33700  Heteromeles arbutifolia Melissa Luckow, Jerry Rendon 1980-4-24 39 San Luis Obispo Poly Cyn, about 1/4 mi S of end of road Comment
  OBI10137  Heteromeles arbutifolia W. Kent Allender 1962-12-17 s.n. San Luis Obispo Collected near burn area, Cuesta Summit N of US 101, San Luis Obispo Comment
  OBI53884  Heterotheca grandiflora Arthur W. Hazebrook 1992-10-25 151 San Luis Obispo Nipomo Dunes complex, Big Coreopsis Hill, base of Hill along riparian corridor and extending into dune slack around Little Oso Flaco Lake Comment
  RSA201656  Heterotheca oregona var. scaberrima Robert F. Hoover 1947-9-19 7400 San Luis Obispo Upper Salinas River 3 miles S of Pozo. Comment
  OBI65192  Heterotheca sessiliflora Greg Wilvert 2005-7-20 496 San Luis Obispo SE Half of the Caliente Range. 1.1 km NW of Semper Spring 927 Comment
  CAS-BOT-BC311315  Heterotheca sessiliflora subsp. echioides Alice Eastwood 1927-7-30 14995 San Luis Obispo Along road from Arroya Grande to Huasna Comment
  CAS-BOT-BC424213  Heuchera micrantha var. hartwegii Alice Eastwood 1928-5-19 15170 San Luis Obispo Pettite Canyon Comment
  OBI9779  Heuchera pilosissima Robert F. Hoover 1969-3-25 11190 San Luis Obispo N side of Morro Rock Comment
  UC1600834  Hieracium argutum E. Palmer, M. D. 1876-1-1 296 San Luis Obispo Central Coast Range Comment
  OBI62527  Hirschfeldia incana L. D. Oyler, David J. Keil and Kathy Keil 1990-4-26 1076 San Luis Obispo Nipomo Dunes. dune slack area two ridges beyond Oso Flaco Lake rd, W of Unocal pipeline Comment
  OBI6665  Hirschfeldia incana Greg Hassen 1975-7-15 42 San Luis Obispo Poly Cyn Rd near bridges Comment
  OBI15163  Hirschfeldia incana Robert F. Hoover 1965-9-27 9651 San Luis Obispo Foothill Blvd at W edge of town, San Luis Obispo Comment
  OBI79505  Hoita macrostachya David J. Keil, with Matt Ritter, Mike Stiles, Charley Knight, Wendy Knight, and Craig Jacobsen 2012-6-28 31399 San Luis Obispo Santa Lucia Mountains. Upper Lopez Canyon. Lopez Canyon Trail from east Cuesta Ridge to Lopez Canyon Road Comment
  UC454704  Hoita orbicularis unknown 422 San Luis Obispo Prefumo Canyon; near creek Comment
  UC1285205  Hoita orbicularis R. F. Hoover 1947-5-23 7178 San Luis Obispo near Sunnyside School; Osas Valley Comment
  NY323691  Hollisteria lanata J. G. Lemmon s.n. San Luis Obispo Near San Luis Obispo Comment
Read comments
Sep 20 2018
  SBBG36973  Hollisteria lanata unknown 1895-1 San Luis Obispo Cholame Comment
  CAS-BOT-BC412722  Hollisteria lanata Ira L. Wiggins 1929-5-24 3741 San Luis Obispo Grade 6-8 miles above Shandon on old road to Bakersfield Comment
  UC1583640  Holocarpha heermannii David Keil 1983-9-10 17946 San Luis Obispo n of San Simeon (vicinity of Arroyo de la Cruz); Arroyo de la Cruz Comment
  CAS-BOT-BC325903  Holocarpha heermannii Elsie M. Zeile 9/9-' s.n. San Luis Obispo Near Byron Comment
  OBI16064  Holocarpha heermannii Robert F. Hoover 1946-9-22 6442 San Luis Obispo W of Paso robles on rd to Adelaida Comment
  UCD135633  Holocarpha heermannii Bruce G. Baldwin 1985-9-29 539 San Luis Obispo San Luis Obispo County: immediately west of Cottonwood Pass along California State Highway 41. Comment
  OBI51197  Holodiscus discolor Jan Barber 1993-8-21 87 San Luis Obispo San Simeon State Park Comment
  CAS-BOT-BC150043  Holodiscus discolor var. discolor John Thomas Howell 1964-6-30 40861 San Luis Obispo Cambria Comment
  RSA18219  Hordeum brachyantherum C. B. Wolf 1929-4-16 3631 San Luis Obispo 2 miles north of Cayucos Comment
  RSA0042911  Hordeum brachyantherum subsp. californicum LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-29 6287 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
  CAS-BOT-BC289528  Hordeum brachyantherum subsp. californicum Clare B. Hardham 1957-4-23 1712 San Luis Obispo Atascadero, Santa Lucia Mountains Comment
  UCD85845  Hordeum marinum subsp. gussoneanum Beecher Crampton 1964-5-18 6991 San Luis Obispo San Luis Obispo County: Santa Margarita. Santa Margarita Creek. Comment
  OBI57108  Hordeum marinum subsp. gussoneanum Danielle DeRome 1994-5-15 5159438 San Luis Obispo Collected on the N slope of the hill that stands between the campus core and Archy Canyon(the hill with the Ecological Study Site on its SW slope). Comment
  OBI21924  Hordeum murinum John Young 1967-5-25 35 San Luis Obispo Poly Cyn, Cal Poly campus Comment
  OBI30916  Hordeum murinum Julie M. Vanderwier 1979-4-4 114 San Luis Obispo Indian Knob Tar Sands 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
  OBI60826  Hordeum murinum David J. Keil 1991-5-18 21536 San Luis Obispo C.T. Ranch on E and N outskirts of Cambria 100 Comment
  UCR122133  Hordeum murinum subsp. leporinum George K. Helmkamp, E. A. Helmkamp 2000-4-21 5463 San Luis Obispo Santa Lucia Range, Santa Rosa Creek Road, 5.6 mi east of Cambria 76 Comment
  LA105572  Hordeum murinum subsp. leporinum Barry A. Prigge; 1989-4-19 8683 San Luis Obispo Santa Lucia Mountains, San Bernardo Creek Drainage, ca. 5 air mi. E of Morro Bay 121 Comment
  OBI50147  Hordeum vulgare Michael Curto, Linda Allen 1991-4-13 694 San Luis Obispo E of Templeton, lupine Ln, ca. 0.8 km N of jct with Templeton Rd 300 Comment
  UC570066  Horkelia cuneata subsp. puberula N. K. Carlson 1936-3-19 182 San Luis Obispo 1.1 mi ne of Pismo; Arroyo Grande Quadrangle 68 Comment
  CAS-BOT-BC143393  Horkelia yadonii Ernest C. Twisselmann 1956-6-13 2929 San Luis Obispo Northeast spur of Black Mountain 533 Comment
  OBI15144  Hornungia procumbens Robert F. Hoover 1952-4-19 8122 San Luis Obispo N side of lower Cuyama Valley Comment
  OBI37385  Hydrocotyle ranunculoides Eric Wise 1981-9-29 1283 San Luis Obispo Black Lake Cyn at hwy 1 Comment
  OBI8954  Hydrocotyle verticillata Robert F. Hoover 1947-5-23 7177 San Luis Obispo Near Sunnyside School, Los Osos Valley Comment
  UC1101454  Hydrocotyle verticillata Malcolm A. Nobs and S. Galen Smith 1948-9-9 666 San Luis Obispo ca. 4 mi. s. Pismo Beach (Dune Lakes Gun Club); Dune Lakes Gun Club Comment
  RSA0042458  Hypochaeris glabra LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-30 6385 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
  OBI26024  Hypochaeris radicata David J. Keil, Malcolm McLeod, Melissa Luckow, Julie Vandervier et al. 1980-5-18 14005 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
  OBI27050  Iris douglasiana David J. Keil, Malcolm McLeod, Melissa Luckow, Julie Vanderwier, et al 1980-5-18 14031 San Luis Obispo CNPS photography committee field trip to Arroyo de la Cruz. Ca 1 mi E of Calif Rte 1 on Hearst Ranch Comment
  SD98916  Iris douglasiana Darley F. Howe 1977-5-17 San Luis Obispo South of the mouth of Arroyo de la Cruz. Comment
  CDA43321  Iris pseudacorus David J. Keil 2011-9-14 31023 San Luis Obispo San Luis Obispo Creek at San Luis Bay Drive bridge east of US 101. Comment
  SBBG16067  Isocoma acradenia var. bracteosa E. C. Twisselmann 1962-10-5 7846 San Luis Obispo hills at the summit of Palo Prieto Cyn 655 Comment
  CAS-BOT-BC316741  Isocoma acradenia var. bracteosa Ernest C. Twisselmann 1954-10-9 1618 San Luis Obispo Hills at summit of Palo Prieta canyon, 8 miles south of Cholame, Temblor Range and the Western San Joaquin Valley 685 Comment
  OBI16005  Isocoma acradenia var. bracteosa Robert F. Hoover 1965-9-19 9618 San Luis Obispo Near San Juan River, La Panza Ranch Comment
  UC87272  Isocoma menziesii var. menziesii E. Palmer, M. D. 1876-6-1 198 San Luis Obispo n San Luis Obispo; Coast Range Comment
  CAS-BOT-BC324692  Isocoma menziesii var. vernonioides R. F. Hoover 1946-8-4 6268 San Luis Obispo North end of Morro Bay Comment
  SBBG8375  Isocoma menziesii var. vernonioides C. B. Hardham 1956-11-12 1523 San Luis Obispo coast near mouth of Toro Crk, Cayucos Comment
  RSA507764  Isocoma menziesii var. vernonioides J. C. Semple, S. Heard 1986-8-24 8617 San Luis Obispo CA-41, just E of Morro Bay. Comment
  OBI60777  Isolepis carinata David J. Keil 1991-5-18 21533 San Luis Obispo C.T. Ranch on E and N outskirts of Cambria 100 Comment
  OBI22588  Isolepis cernua Robert F. Hoover 1946-8-26 6358 San Luis Obispo Baywood Park Comment
  OBI79361  Iva axillaris David J. Keil, with Matt Ritter, Mike Simpson, David Chipping, Heath Bartosh, & Taylor Crow 2013-5-2 31643 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
  IRVC28938  Jaumea carnosa G. K. Helmkamp 2003-9-8 8124 San Luis Obispo Saltwater ocean inlet 0.2 mi SW of Oceano Airport Central Coast 6 Comment
  SBBG104516  Juglans californica F. L. Johnson, E. A. Young 1993-6-23 ROB 689 San Luis Obispo Chorro Crk Comment
  OBI51968  Juncus breweri Larry Kelly, David J. Keil 1988-10-1 277 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  RSA0020945  Juncus bufonius Greg Wilvert 2005-4-5 131 San Luis Obispo 1.5 km S of Soda Lake Rd. along Padrones Canyon Rd. 806 Comment
  RSA180132  Juncus bufonius var. bufonius Clare B. Hardham 1958-5-7 3223 San Luis Obispo Santa Lucia Mountains: Hills between Bee Rock and the Nacimiento. Comment
  HSC91566  Juncus effusus Susan H. Bicknell 1988-8-18 San Luis Obispo Montana de Oro State Park Comment
  UC570470  Juncus hesperius unknown 1933-8-21 33 -126 San Luis Obispo Callender Comment
  UCD141709  Juncus macrophyllus Frederic Hrusa 1993-5-21 11053 San Luis Obispo San Luis Obispo County: Stony Creek in Huasna area. Approximately 4 km beyond Stony Creek Campground. 650 Comment
  RSA180198  Juncus patens Clare B. Hardham 1960-6-17 6182 San Luis Obispo Cambria, Santa Lucia Mountains. Comment
  CAS-BOT-BC81058  Juniperus californica Ernest C. Twisselmann; Donald J. Bedell 1969-11-15 16331 San Luis Obispo Sulfur Springs Canyon, Santa Ysabel Ranch, 5 miles south of Paso Robles 205 Comment
  CAS-BOT-BC81059  Juniperus californica Ernest C. Twisselmann; Donald J. Bedell 1969-11-15 16331 San Luis Obispo Sulfur Springs Canyon, Santa Ysabel Ranch, 5 miles south of Paso Robles 205 Comment
  OBI21941  Koeleria macrantha Robert F. Hoover 1947-6-2 7257 San Luis Obispo Cambria Comment
  OBI69209  Koeleria macrantha LynneDee Oyler, David J. Keil and K. Faustini 1990-4-26 1094 San Luis Obispo Nipomo Dunes. Unocal pipeline that runs N-S through dunes Comment
  POM357028  Koeleria macrantha George B. Grant 1903-4-29 s.n. San Luis Obispo Paso Robles. Comment
  OBI17228  Krascheninnikovia lanata Lonnie Belden 1965-7-16 s.n. San Luis Obispo Caliente Mt. 1067 Comment
  OBI15974  Lactuca saligna Robert F. Hoover 1965-9-15 9549 San Luis Obispo Summit on Pozo-Arroyo Grande rd Comment
  CAS-BOT-BC340634  Lactuca serriola John Thomas Howell 1964-6-29 40776 San Luis Obispo Cambria Comment
  OBI33044  Lactuca serriola David J. Keil 1983-9-10 17943 San Luis Obispo Vicinity of Arroyo de la Cruz N of San Simeon Comment
  OBI72487  Lactuca serriola E. L. Painter & M. Wetherwax, M. Wetherwax 2004-9-4 CR- 368 San Luis Obispo Camp Roberts Roadbank of Sulphur Spring Rd UTMs (AND 27) zone 10S, 695757E, 3957207N 263 Comment
  OBI15963  Lagophylla ramosissima Robert F. Hoover 1946-9-15 6406 San Luis Obispo Pozo Comment
  OBI81340  Lagophylla ramosissima David J. Keil 1988-9-23 21147 San Luis Obispo Paso Robles. Ranch area proposed for development, bounded to south by Linne Rd. to west by Golden Hill Rd, to north by Union Rd, and to east by undeveloped ranchland. Comment
  UC1132163  Lamarckia aurea C. M. Belshaw 1936-3-17 1615 San Luis Obispo 2 mi sse of NIpomo 76 Comment
  UCSB52138  Lamarckia aurea Cronemiller; Samon 1927-4-20 San Luis Obispo Avenales Ranch, Santa Barbara Forest 762 Comment
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Sep 14 2015
  RSA0051671  Lamium amplexicaule W. M. Arbaugh 1968-5-5 220 San Luis Obispo Above Lopez Dam. Comment
  HSC91775  Lasthenia californica Susan H. Bicknell 1989-4-17 San Luis Obispo Montano de Oro State Park Comment
  CAS-BOT-BC339022  Lasthenia californica R. F. Hoover 1967-4-5 10342 San Luis Obispo 19 miles east of Creston on La Panza road, on a branch of Navajo Creek Comment
  CAS-BOT-BC324417  Lasthenia californica subsp. macrantha R. F. Hoover 1965-6-14 9415 San Luis Obispo 1.8 mile north of Arroyo de la Cruz Comment
  CAS-BOT-BC329186  Lasthenia ferrisiae Ira L. Wiggins 1932-3-20 5783 San Luis Obispo Hillsides in immediate vicinity of Cholame Comment
  CAS-BOT-BC329196  Lasthenia ferrisiae Ernest C. Twisselmann 1958-5-17 4468 San Luis Obispo Plants of Temblor Range and Western San Joaquin Valley. San Andreas Fault at the summit of Palo Prieta Canyon, eastern part of county. 701 Comment
  CAS-BOT-BC352745  Lasthenia fremontii R. F. Hoover 1947-3-30 6847 San Luis Obispo 1 mile S of Simmler, Carrizo Plain. Comment
  JEPS18376  Lasthenia gracilis Rimo Bacigalupi 1957-4-2 5771 San Luis Obispo Nipomo 60 Comment
  SBBG117879  Lasthenia gracilis M. Wetherwax, E. Painter 2002-2-28 SLO 217 a San Luis Obispo W side of cyn, first ridge W of Cerro Romualdo; Camp San Luis Obispo Comment
  SJSU3326  Lasthenia gracilis C. W. Sharsmith 1962-4-20 6803 San Luis Obispo Carrizo Plain c. 3 mi SE of Simmler Comment
  UC2061405  Lasthenia gracilis Rachael L. Olliff Yang with Ana Penny, Lynn Yamashita, Bridget Wessa 2017-4-18 3 San Luis Obispo Carrizo Plain; small patch patch off of the East side of Soda Lake Road, surrounded by grasslands, and across the road from a farm. Comment
  UCD163514  Lasthenia gracilis CNPS Melinda Elster; Sara Taylor 2015-4-25 CARR- 612 A San Luis Obispo San Luis Obispo County: Carrizo Plain National Monument. 846 Comment
  SDSU2768  Lasthenia gracilis D. F. Howe 1948-5-17 1829 San Luis Obispo Coast of county. Comment
  UCSB17023  Lasthenia leptalea Hardham, Clare 1963-3-24 San Luis Obispo Huero Huero River, Pierce Ranch, 7 miles east of Creston Comment
  OBI13235  Lathyrus vestitus var. vestitus Robert F. Hoover 1967-2-18 10221 San Luis Obispo Diablo Cyn, San Luis Range Comment
  UCR122807  Lathyrus vestitus var. vestitus George K. Helmkamp, E. A. Helmkamp 1998-5-19 3871 A San Luis Obispo Outer South Coast Range; Santa Lucia Range, southwest of Paso Robles along CA Hwy 46 at York Mountain Road 366 Comment
  SD244699  Lathyrus vestitus var. vestitus Scott Love, Natalie Lauren Rossington 2012-2-26 7 San Luis Obispo 1.3 miles north along Stenner Creek RaNCH TRAIL. 74 Comment
  RSA522588  Lavatera cretica David J. Keil 1984-7-20 18309 San Luis Obispo Morro Bay. Sand dune are just N of Morro Bay Power Plant, N of Morro Rock. 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-BC321658  Layia glandulosa Geo. B. Grant 1903-4-30 s.n. San Luis Obispo Shandon Comment
  CAS-BOT-BC321659  Layia glandulosa Rev. R. W. Summers 1886-2-21 435 San Luis Obispo Oso Flaco sand hills, near sea Comment
  CHSC55872  Layia glandulosa L. P. Janeway; Jean Witzman 1988-4-30 2658 San Luis Obispo Ca 2 1/2 mi E of Creston; eastern branches of Huerhuero Cr. 426 Comment
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Apr 15 2019
  HSC5922  Layia glandulosa L. S. Rose 1969-4-14 69020 San Luis Obispo Bedell Ranch, S of Creston N end of La Panza Range 427 Comment
  OBI76659  Layia glandulosa Jason Dart, Audrey Weichert, G. Hind 2010-5-1 382 -H3 San Luis Obispo Hind River Ranch, W side of Salinas River along the dirt entrance rd paralleling Crescent Lake, approx 1.25 mi E of the intersection of Hwy 58 and Pozo Rd, E of Santa Margarita 334 Comment
  RSA0020949  Layia glandulosa Greg Wilvert 2005-4-2 110 San Luis Obispo 4 km W of Caliente Mtn. 1235 Comment
  CAS-BOT-BC321675  Layia glandulosa W. R. Dudley 1901-4-4 s.n. San Luis Obispo Burnett Creek [label notes Monterey Co. but sheet has been annotated to state the Burnett Creek runs wholly within San Luis Obispo County. Comment
  OBI15847  Layia glandulosa Robert F. Hoover 1947-4-2 6858 San Luis Obispo Upper Arroyo Grande 6 mi above County park Comment
  UCD133905  Layia glandulosa Annetta Carter 1940-4-7 1507 San Luis Obispo San Luis Obispo County: Palo Prieto Canyon, 3.3 miles southeast of Cholame, north end of Temblor Range. 457 Comment
  SBBG93782  Layia hieracioides S. A. Junak 1990-5-1 4261 San Luis Obispo N edge of Cuesta Ridge Botanical Area, powerline access rd which intersects Tassajera Crk Rd ca. 2.4 mi W of Hwy 101, ca. 1.1 rd mi S of Tassajera Crk Rd 536 Comment
  CAS-BOT-BC123314  Layia jonesii Marcus Eugene Jones 1882-5-5 3224 San Luis Obispo San Luis Obispo Comment
  CAS-BOT-BC327622  Layia munzii David D. Keck; J. Clausen 1935-4-10 3148 San Luis Obispo ca. 4 miles S of Soda Lake, Carrizo Plain 609 Comment
  SEINET1782114  Layia pentachaeta subsp. albida Unknown 1935-4-9 3106 San Luis Obispo Summit of Polonio Pass, 5 mi E of Cholame, on road to Lost Hills. 579 Comment
  SBBG30796  Layia platyglossa C. B. Hardham 1967-3-3 14328 San Luis Obispo Diablo Cyn Comment
  CAS-BOT-BC382133  Layia platyglossa Ernest C. Twisselmann 1954-5-1 1155 San Luis Obispo Temblor Range and the Western San Joaquin Valley; Mariannas Ranch Summit, Temblor Mountains 975 Comment
  OBI30324  Layia platyglossa David J. Keil 1977-3-12 11956 San Luis Obispo S of Shandon, 5 mi N of jctn with State Rte 58 in game preserve area Comment
  SDSU11835  Lemna minima D. F. Howe 1962-7-22 3355 San Luis Obispo Oso Flaco Lake Comment
  OBI38513  Lemna minor Eric Wise 1982-6-25 1579 San Luis Obispo Pismo State Beach, Oceano Campground Comment
  RSA0041499  Lepechinia calycina LeRoy Gross, Marcel Beffort, Pam DeVries 2014-5-13 6431 San Luis Obispo Garcia Mountain: Off Forest Service Road 30S05.2, Down Trout Creek to trail that climbs up over a saddle and drops down into another tributary of Trout Creek. Stopped at Buckeye Campsite., Wilderness boundary starts with trail leaving Trout Creek to climb the saddle. Started near 35.25785N 120.39436W. Ended at camp, near 35.24658N 120.34365W. 376 Comment
  RSA131984  Lepechinia calycina Gale Sphon 1959-6-7 364 San Luis Obispo on Hwy 178 4 miles W of La Panza Campground, Los Padres National Forest Comment
  CAS-BOT-BC88904  Lepidium densiflorum var. densiflorum Ernest C. Twisselmann 1962-7-16 7429 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Dortothy Twisselmann Ranch, eastern SLO county. 670 Comment
  OBI81026  Lepidium dictyotum Jason Dart 2010-5-1 379 San Luis Obispo Twissellmann Lake. Lake is on the north side of Bitterwater Road, approximately 6.4 miles south of Highway 46. 677 Comment
  OBI64470  Lepidium dictyotum David J. Keil 2001-5-10 29436 San Luis Obispo Bitterwater Road, Pinole Spring. 10.1 road miles north from Highway 58 at site of stone springbox on slope below road. Vicinity of 35.49703 deg. N x 120.07248 deg. W. 689 Comment
  OBI64560  Lepidium dictyotum David J. Keil 2001-3-28 29222 San Luis Obispo Southeast of Cholame along Davis Road, 1 mile southeast of California Water Project pipeline corridor 378 Comment
  UCD115457  Lepidium draba Ernest C. Twisselmann 1959-11-2 5905 San Luis Obispo San Luis Obispo County: Oso Flaco Road Road, 1 mile east of Oso Flaco Lake. Shandon, CA. 9 Comment
  UC856462  Lepidium jaredii Alice Eastwood and John Thomas Howell 1937-4-26 4116 San Luis Obispo near Soda Lake; Carrizo Plain Comment
  CAS-BOT-BC89502  Lepidium jaredii Eben McMillan 1958-4-18 43 -2 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Alkali sinks south of Soda Lake. 609 Comment
  SD46154  Lepidium jaredii G. Thomas Robbins, Rimo Bacgalupi 1952-4-20 3454 San Luis Obispo Alkali bottom just east of lowest point in Carrizo Plain, ca. 8.0 miles southeast of Soda Lake. 594 Comment
  UC565440  Lepidium nitidum Chas. M. Belshaw Mar 27 1936-Mar 30 1936 449 San Luis Obispo 3 mi e Paso Robles (toward Shandon); Inner South Coast Range Comment
  UCD78274  Lepidium nitidum Ellen Dean; T. Starbuck and M. Starbuck 2008-3-25 4620 San Luis Obispo San Luis Obispo Co.: North of Carrizo Plain National Monument. Along Soda Lake Road between College and Belmont Streets. 582 Comment
  SBBG117768  Lepidium nitidum var. nitidum E. Painter, M. Wetherwax 2000-3-20 SLO 39 San Luis Obispo E side of saddle between Cerro Chumash and Cerro Romualdo; Camp San Luis Obispo 200 Comment
  UCR247886  Lepidium nitidum var. nitidum David J. Keil, V. L. Holland, Michael Curto 2001-3-12 29167 San Luis Obispo Coastal side of Hwy 1 along coast west of Cayucos, just east of China Harbor and west of Abalone Farm 120 Comment
  OBI57241  Lepidium strictum David J. Keil 1998-4-14 26696 San Luis Obispo Suey Creek Rd., 2.3 mi from junction with Hwy.166 Comment
  OBI64552  Lepidium strictum David J. Keil 2001-3-28 29230 San Luis Obispo Shandon. City park and schoolyard Comment
  OBI81100  Lepidospartum squamatum Michael Walgren 2015-2-14 442 San Luis Obispo Santa Maria River just west of Highway One 62 Comment
  OBI43379  Leptochloa fusca subsp. fascicularis Eric Wise 1981-10-23 1358 San Luis Obispo Tepesquet Vinyard Ponds. 4-6 mi S of Shandon on San Juan Rd Comment
  RSA759022  Leptochloa fusca subsp. fascicularis David J. Keil 2002-9-12 29923 San Luis Obispo North of Arroyo Grande, West Ormonde Road, about 1.2 miles from junction with Price Canyon Road. East side of road between drives to 525 and 535 West Ormonde Road. 107 Comment
  SBBG20597  Leptochloa fusca subsp. uninervia E. C. Twisselmann 1963-12-10 9204 San Luis Obispo Estrella Plains, US Hwy 466, 7 mi E of Paso Robles 243 Comment
  SEINET7967477 Image available Leptosiphon androsaceus David Keil, Dirk Walters 1980-4-26 13862 San Luis Obispo Along Town Creek near Lime Mountain Mine, west of Paso Robles Comment
  RSA140537  Leptosiphon androsaceus Clare B. Hardham 1959-4-2 4164 San Luis Obispo Black Mt. Highland district Comment
  OBI11401  Leptosiphon bicolor R. F. Hoover 1950-4-2 7780 San Luis Obispo 11 mi E of Creston on La Panza rd Comment
  OBI11418  Leptosiphon ciliatus R. F. Hoover 1966-4-23 9844 San Luis Obispo American Canyon Campground, La Panza Range Comment
  CAS-BOT-BC226625  Leptosiphon grandiflorus Alice Eastwood 1906-6-13 780 San Luis Obispo Country adjacent to Santa Maria. Sands near Casmailia [Casmalia] Comment
  OBI80032  Leptosiphon liniflorus David J. Keil 2000-5-27 San Luis Obispo Santa Margarita Ranch, just north of 5 Mile Bridge, ca. 4 miles s of railroad crossing in Santa Margarita and westward along ranch roads. 366 Comment
  SBBG80422  Leptosiphon liniflorus C. F. Smith 1950-5-4 2758 San Luis Obispo between Creston and Simmler, N of La Panza Public Camp 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
  OBI65206  Lessingia glandulifera var. glandulifera Greg Wilvert 2005-8-6 513 San Luis Obispo SE Half of the Caliente Range. Padrones Cyn 800 Comment
  UC1563898  Lessingia pectinata var. pectinata Barbara Ertter 1989-5-23 8487 San Luis Obispo ca 4 air mi s Oceano (at bend in Hwy 1, just across railroad tracks from parking area); Unical Oil Refinery Comment
  CAS-BOT-BC341978  Lessingia pectinata var. pectinata Alice Eastwood 1927-7-29 14961 San Luis Obispo Morro Sands Comment
  CAS-BOT-BC341979  Lessingia pectinata var. pectinata Alice Eastwood 1927-7-29 14961 San Luis Obispo Morro Sands Comment
  RSA0008540  Lessingia pectinata var. pectinata Barbara Ertter 1989-5-23 8487 San Luis Obispo Unical Oil Refinery, 4 air miles S of Oceano, at bend in Hwy 1, just across railroad tracks from parking area. Comment
  UC1287411  Lessingia pectinata var. tenuipes Willard Spence 1963-6-21 673 San Luis Obispo 1.2 mi off route 41 and 466 Cholame; Palo Prieto Canyon, Bitterwater Creek Comment
  JEPS2693 Image available Lessingia tenuis L. Jared San Luis Obispo Estrella; ; Estrella, San Luis Obispo Co. Comment
  CAS-BOT-BC330420  Lessingia tenuis R. F. Hoover 1846-8-18 6316 San Luis Obispo Fernandez Creek, near N base of La Panza Range Comment
  UC1285340  Lessingia tenuis R. F. Hoover 1946-6-16 6176 San Luis Obispo between Carrizo Plain and San Juan River (about halfway down the grade) Comment
  CDA17615  Leymus pacificus Austin Griffiths, G. F. Hrusa, E. W. Thompson 1983-7-17 s.n. San Luis Obispo Just NE of point above Spooner's Cove, Montana de Oro State Park. Comment
  UC1928086  Leymus triticoides David Keil, Tina Teed and Mariko Uchida 2001-6-15 29597 San Luis Obispo Camp San Luis Obispo. Chorro Creek drainage. Chorro Creek Bog Thistle exclosure. Vicinity of 35.3442 N, 120.6800 W Comment
  CAS-BOT-BC272224  Leymus triticoides R. F. Hoover 1964-7-9 9119 San Luis Obispo Santa Margarita along railway Comment
  UC53401  Leymus triticoides Jos. Burtt Davy Jun 1 1901-Jun 2 1901 7585 San Luis Obispo Templeton; n hillsides Comment
  UC2013226  Lilaea scilloides David Keil 1991-5-18 21540 San Luis Obispo C. T. Ranch on eastern and northern outskirts of Cambria. Comment
  RSA0028260  Limonium binervosum David J. Keil 2011-7-3 31055 San Luis Obispo Morro Bay. South side of sand berm on south side of Morro Bay marina. 1 Comment
  OBI4181  Limonium californicum Gary Hoskins 1968-10-17 2 San Luis Obispo Extreme N end of the Los Osos sand dunes Comment
  UC2027216  Limonium duriusculum David J. Keil 2011-7-3 31055 San Luis Obispo Morro Bay. South side of sand berm on south side of Morro Bay marina. Comment
  UC1123985  Linanthus ciliatus T. M. Hendrix 1939-5-8 1017 San Luis Obispo 2.5 mi nw Avenales Ranch; Los Padres National Forest, Branch Mt. Quad. 624 Comment
  UC2027111  Linanthus dichotomus Greg Wilvert 2005-4-5 160 San Luis Obispo Southeast Half of Caliente Range: 200 m SW of Wells Spring Comment
  UCSB32926  Linanthus dichotomus Patterson, R. 1978-4-23 San Luis Obispo Friis Campground, ca. 2 mi. N of Navaho Campground Rd. 800 Comment
  SEINET3696150 Image available Linanthus pharnaceoides Lewis S. Rose 1936-5-9 36263 San Luis Obispo San Marcos Creek, 9 miles east of Adelaida. 213 Comment
  UCR141004  Linaria canadensis George K. Helmkamp 2004-3-10 8335 San Luis Obispo Central Coast, Nipomo Mesa, along Pomeroy Rd, 0.2 mi N of Willow Rd, NW of Nipomo 91 Comment
  CDA6319  Linaria maroccana G. D. Barbe 1974-5-18 1800 San Luis Obispo Frontage road south of Teft Street, Nipomo. 0 Comment
  UC1296133  Lithophragma affine R. F. Hoover 1947-3-26 6738 San Luis Obispo just s Price Canyon; just s of Price Canyon Comment
  OBI9765  Lithophragma cymbalaria Robert F. Hoover 1947-3-26 6737 San Luis Obispo Price Cyn (just S of) Comment
  OBI58749  Lithophragma heterophyllum David J. Keil 1998-4-20 26837 San Luis Obispo NW of Paso Robles on Nacimiento Lake Drive, 2.5 miles W of junction with Chimney Rock Road. Comment
  UC2013298  Lobelia erinus Dana Richards 1983-11-8 2 San Luis Obispo Los Osos. Comment
  CDA16133  Lobularia maritima G. F. Hrusa 1999-2-24 14923 San Luis Obispo South Coast Ranges; Hwy 227, at corner of Noyes Rd, at top of hill. 143 Comment
  OBI80331  Lobularia maritima Kristen M. Nelson 2013-2-16 19 San Luis Obispo Between Pismo Beach and Avila Beach on CA-1, ca. 0.25 miles north of Ocean Way. Along disturbed roadside. 35 Comment
  CAS-BOT-BC174533  Loeflingia squarrosa Ernest C. Twisselmann 1967-11-2 14043 San Luis Obispo La Panza Range: Shell Creek 472 Comment
  LA98813  Loeflingia squarrosa E. R. Hobbs; Walt Westman 1977-7-17 77- 16 San Luis Obispo Montana de Oro State Park, Los Osos. S of Morro Bay Comment
  OBI19584  Loeflingia squarrosa Robert F. Hoover 1947-3-29 6776 San Luis Obispo Atascadero Comment
  CAS-BOT-BC174527  Loeflingia squarrosa Clare B. Hardham 1956-5-26 772 San Luis Obispo Black Mountain, Highland District Comment
  OBI23944  Logfia filaginoides Robert L. Allen, Nancy E. Arnold 1981-5-10 288 San Luis Obispo 7.6 mi NE of Santa Margarita, Calf Cyn, N end of La Panza Mts 305 Comment
  OBI55308  Logfia filaginoides David J. Keil 1998-4-9 26673 San Luis Obispo USFS trailhead area on Hwy 166 NE of Tepesquet Canyon Rd. Comment
  OBI57098  Logfia filaginoides G. F. Hrusa 1995-5-2 12218 San Luis Obispo Black Butte Research Natural Area. ON ridge immed WNW of Peak 2 and leading to the peak 600 Comment
  UC1284939  Logfia filaginoides R. F. Hoover 1947-3-26 6747 San Luis Obispo just s Price Canyon Comment
  CAS-BOT-BC283235  Lolium multiflorum R. F. Hoover 1964-6-9 9009 San Luis Obispo In vacant lot, Chaplin Lane, San Luis Obispo Comment
  UC818814  Lolium temulentum E. O. Wooton 1913-4-16 San Luis Obispo San Luis Obispo Comment
  UCSB21860  Lomatium californicum Rankine, Jane 1965-4-10 San Luis Obispo 5.6 miles west of Atascadero on Hwy. 466, San Luis Mountain Range Comment
  SBBG21671  Lomatium caruifolium E. R. Chandler 1965-1-29 2054 San Luis Obispo hills adjacent to San Bernardo Crk Rd, W of San Luis Obispo Comment
  RSA0062687  Lomatium dasycarpum Charles D. Dunn 1972-4-15 s.n. San Luis Obispo Perfumo Canyon. 121 Comment
  CAS-BOT-BC6772  Lomatium dasycarpum subsp. dasycarpum L. (Lorenzo Dow) Jared s.n. San Luis Obispo Estrella Comment
  RSA67541  Lomatium dasycarpum subsp. dasycarpum P. A. Munz 1951-4-13 16308 San Luis Obispo Grade on Hwy 178, above La Panza Public Camp, La Panza Range. 701 Comment
  OBI76799  Lomatium parvifolium Tracey and Viola Call, Viola Call 1963-4-1 2162 San Luis Obispo 1 mi up Reservoir Cyn near San Luis Obispo 244 Comment
  UC640628  Lomatium parvifolium Alice Eastwood and John Thomas Howell 1938-6-14 5919 San Luis Obispo Prefumo Canyon Comment
  LA82431  Lomatium parvifolium Robert F. Hoover; 1965-4-2 sn San Luis Obispo beside road leading to T.V. tower, 2 mi. N of San Luis Obispo city Comment
  OBI60621  Lomatium utriculatum V. L. Holland and David J. Keil, David J. Keil 1990-4-14 s.n. San Luis Obispo Cambria Ranch Comment
  SBBG129262  Lomatium utriculatum D. H. Wilken, E. L. Painter, O. Gasser 2014-5-13 17989 San Luis Obispo Rinconada Mine area, 0.3 km NW of old mill site, 1.8 km NNW of Little Falls Spring 495 Comment
  UCD127813  Lomatium utriculatum James Payne Smith Jr. 1973-3-21 s.n. San Luis Obispo San Luis Obispo County: 5 miles E of Atascadero, on State Route 41. 304 Comment
  RSA302191  Lomatium vaginatum Jim Shevock 1971-4-5 879 San Luis Obispo Temblor Range 549 Comment
  CAS-BOT-BC240577  Lonicera hispidula Ynez Whilton Winblad 1937-6-16 s.n. San Luis Obispo Between Atascadero and Morro 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
  RSA122593  Lonicera hispidula var. vacillans H. C. Lee 1936-5-11 599 San Luis Obispo 1/2 miles S of head of Davis Canyon (a tributary to San Luis Obispo Creek NW of Avila.) 442 Comment
  OBI66917  Lonicera interrupta David J. Keil, with V. L. Holland 2001-5-24 29500 San Luis Obispo Western outskirts of Atascadero. 3-F Me4adows area, proposed for housing development Comment
  SBBG93147  Lonicera interrupta S. A. Junak 1990-7-13 4419 San Luis Obispo near N edge of Cuesta Ridge Botanical Area, powerline access rd, in small cyn between first and second high voltage tower E of W Cuesta Ridge Rd, ca. 1.3 rd mi S of Tassajera Crk Rd 548 Comment
  CAS-BOT-BC240815  Lonicera interrupta Clare B. Hardham 1959-6-10 4846 San Luis Obispo Santa Lucia Mountains. Abandoned road from Old Creek to Toro Creek Comment
  UCSB45049  Lonicera involucrata Carr, Tom 1978-3-8 San Luis Obispo Calif. 1, 1/2 mile north of Burton Drive 40 Comment
  OBI35350  Lonicera involucrata var. ledebourii Melody Dickens 1981-4-15 76 BH San Luis Obispo Collected on Black Hill, Morro Bay State Park Comment
  OBI57353  Lonicera subspicata var. denudata David J. Keil, with Rhonda Riggins and Karl Striby 1998-5-22 27383 San Luis Obispo Caliente Range. 6.1 mi. from junction with Soda Lake Road on Selby Road at junction with small abandoned dirt road. Comment
  JEPS35248  Lonicera subspicata var. denudata R. F. Hoover 1946-10-19 6503 San Luis Obispo e slope La Panza Range Comment
  JEPS50767  Lotus benthamii Rimo Bacigalupi 1967-6-27 9302 San Luis Obispo first canyon .33 mi n San Carpoforo Canyon (along Calif State Highway 1) 45 Comment
  UC192619  Lotus benthamii Edward Lee Greene 1887-6-10 San Luis Obispo Pt. Pietras Comment
  SBBG118243  Lotus corniculatus M. Wetherwax, E. Painter with J. Sainz 2002-6-17 SLO 282 San Luis Obispo near cattle gate, W of Chorro Reservoir; Camp San Luis Obispo 200 Comment
  UCR248797  Lotus corniculatus Mark A. Elvin, Glenn M. Greenwald 2013-8-9 7234 San Luis Obispo Central Coast, Guadalupe-Nipomo Dunes National Wildlife Refuge, north of Santa Maria River, west of Guadalupe, '4-pond Valley', Colorado Pond, c. 80 m from south refuge boundary 17 Comment
  UC1285177  Lotus heermannii R. F. Hoover 1965-6-20 9447 San Luis Obispo just n Oso Flaco Lake Comment
  RSA406887  Lotus scoparius Ralph Hoffmann 1930-4-19 s.n. San Luis Obispo Arroyo Grande. Comment
  CLARK-A1045-1366  Lotus strigosus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay along Turri Road, 3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  RSA122871  Lotus strigosus var. hirtellus N. K. Carlson 1936-3-18 125 San Luis Obispo 0.6 mi SSW of Picacho. 99 Comment
  RSA167497  Lotus strigosus var. strigosus Robert F. Thorne, Percy C. Everett, K. Thorne 1963-4-18 31475 a San Luis Obispo Ca. 4 miles S of Cholame. 488 Comment
  UCR190644  Lotus wrangelianus George K. Helmkamp, E. A. Helmkamp 2005-4-22 9402 San Luis Obispo Inner South Coast Ranges, Carrizo Highway at Mile-32, Calif. Hwy 58, east of Santa Margarita, beside Windmill Creek 509 Comment
  RSA406955  Lupinus Thekla Mohr 1911-1 s.n. San Luis Obispo San Luis Obispo Comment
  CAS-BOT-BC201307  Lupinus albifrons David Keil; Rhonda Riggins; Richard A. Pimentel; D. R. Doc Miller 1985-4-27 18574 San Luis Obispo 19.5 miles from California Rte 1 along San Simeon Creek Road, N of Rocky Butte lookout at locked gate 731 Comment
  OBI19286  Lupinus albifrons Robert F. Hoover 1949-5-12 7668 San Luis Obispo Ridge SE of Cuesta Pass Comment
  UC564124  Lupinus albifrons Roxana S. Ferris 1935-3-28 9076 San Luis Obispo summit of Cholame-Simmler Road about 11 mi n Simmler; n of Simmler Comment
  OBI57911  Lupinus albifrons var. albifrons David J. Keil 1998-6-15 27835 San Luis Obispo Along Santa Rita Creek Rd. W of Templeton, 2-3 miles W of junction with Vineyard Drive. Comment
  CAS-BOT-BC195757  Lupinus albifrons var. albifrons Ella Dales Cantelow 1941-3-29 3722 San Luis Obispo E. of La Panza on road from Santa Marguerita [Margarita] Comment
  OBI29023  Lupinus arboreus Melissa Luckow 1981-6-25 707 San Luis Obispo Just N of SAn Simeon Beach Comment
  UC1334658  Lupinus arboreus Austin Griffiths Jr. 1966-7-25 5074 g San Luis Obispo 2 mi s Oceano; s of Oceano 30 Comment
  UCD106608  Lupinus arboreus Eric Davidson 1971-6-27 326 a San Luis Obispo San Luis Obispo County: north of San Corpofora Creek on Ragged Point roadcut, State Highway 1. Comment
  RSA216727  Lupinus arboreus var. arboreus Robert F. Hoover 1964-6-11 9044 San Luis Obispo Near south end of Morro Bay. Comment
  RSA337168  Lupinus arboreus var. arboreus T. S. Elias, Walter Wisura 1984-7-26 8583 San Luis Obispo South of Morro Bay; south end of bay. Comment
  RSA17799  Lupinus arboreus var. arboreus Carl B. Wolf 1929-4-15 3573 San Luis Obispo 2-3 miles inland from ocean and about 5 miles north of Santa Maria River. 61 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
  OBI28865  Lupinus bicolor Melissa Luckow, Rhonda Riggins and Richard Pimentel 1982-4-4 733 A San Luis Obispo Huasna Rd, 1/2 mi NW of where the Huasna River crosses the rd Comment
  UC1129393  Lupinus bicolor C. M. Belshaw 1936-3-17 1599 San Luis Obispo 2 mi sse Nipomo; Nipomo Quad. 76 Comment
  UCR115560  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2000-4-20 5414 San Luis Obispo Central Coast, Irish Hills, north of Avila Beach, See Canyon, 7.4 mi south of Los Osos Valley Road 213 Comment
  SEINET10970222  Lupinus bicolor subsp. pipersmithii Robert F. Hoover 1966-4-2 Hoover 9801 San Luis Obispo La panza district, just w of san juan river. South slope of sandstone hill. Comment
  OBI27083  Lupinus chamissonis Jim Souza February1981 s.n. San Luis Obispo Grover City Comment
  OBI53455  Lupinus chamissonis Arthur W. Hazebrook 1991-6-6 88 San Luis Obispo Nipomo Dunes Complex, Big Coreopsis Hill Comment
  RSA619253  Lupinus concinnus subsp. concinnus R. S. Woglum 1938-4-23 1585 San Luis Obispo San Joaquin Valley / Outer South Coast Ranges transition: Creston to La Panza. Comment
  UC1129468  Lupinus formosus var. robustus T. M. Hendrix 1937-4-26 112 San Luis Obispo 3.9 mi ne Highland School; Pozo Quad. Comment
  UC73232  Lupinus hirsutissimus J. E. Roadhouse 1905-4 34 San Luis Obispo San Luis Obispo Comment
  SBBG17729  Lupinus hirsutissimus R. F. Hoover 1947-3-2 6645 San Luis Obispo Carpenter Cyn N of Arroyo Grande Comment
  UCR97566  Lupinus latifolius George K. Helmkamp 1997-3-8 1446 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
  UCR134409  Lupinus latifolius var. latifolius George K. Helmkamp, E. A. Helmkamp 2001-4-29 6569 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
  RSA659169  Lupinus microcarpus R. Riggins 1978-4-23 1133 San Luis Obispo Hwy. 166, 0.8 mi W Twin Rocks, 3.1 mi E Sierra Madre Rd. Comment
  UC15928  Lupinus microcarpus var. densiflorus unknown 483 San Luis Obispo San Luis Obispo Comment
  OBI48305  Lupinus microcarpus var. densiflorus Rhonda Riggins 1979-5-12 1180 San Luis Obispo Roadside and banks adj Wellsona Rd just S of jctn with River Rd, N Paso Robles Comment
  SBBG114030  Lupinus microcarpus var. densiflorus R. Riggins 1979-5-12 1182 San Luis Obispo Eagle Ranch Rd, 0.3 mi S of Santa Barbara Rd, N of Santa Margarita exit US 101 Comment
  OBI55589  Lupinus microcarpus var. horizontalis George Butterworth 1998-4-17 233 San Luis Obispo Carrizo plain Natural Area. 100 yds E of Elkhorn Rd, 5.3 mi SE of Simmler Rd T31S, R20E, S12 707 Comment
  CDA27479  Lupinus microcarpus var. horizontalis R. Riggins 1979-5-5 1157 San Luis Obispo Triangle formed by Elkhorn Trail Road (County 285) and ranch road to water tank, 2.3 miles north of Coachoro Camp Road. 0 Comment
  RSA201531  Lupinus microcarpus var. horizontalis Robert F. Hoover 1952-4-8 8089 San Luis Obispo West base of Temblor Range near McKittrick Road. Comment
  OBI25017  Lupinus microcarpus var. microcarpus David J. Keil, Dirk R. Walters 1980-4-26 13877 San Luis Obispo Along Town Crk near Lime Mtn mine, W of Paso Robles Comment
  OBI57859  Lupinus microcarpus var. microcarpus David J. Keil 1998-4-30 27014 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
  UC454669  Lupinus microcarpus var. microcarpus I. J. C. and Dr. White 1909-4-17 San Luis Obispo Paso Robles Comment
  JEPS108092  Lupinus microcarpus var. microcarpus Rhonda Riggins 1978-4-28 1141 San Luis Obispo SE facing slope just W of San Juan Creek at Hwy. 58. Comment
  OBI48424  Lupinus microcarpus var. microcarpus Rhonda Riggins 1978-4-28 1142 San Luis Obispo Along Camatti Cyn Rd paralleling Shell Crk at hwy 58 Comment
  SBBG114100  Lupinus microcarpus var. microcarpus R. Riggins 1978-4-23 1133 San Luis Obispo Hwy 166, 0.8 mi W Twin Rocks, 3.1 mi E of Sierra Madre Rd Comment
  PASA1670  Lupinus microcarpus var. ruber M. Stason 1930-4-14 230 San Luis Obispo near Simmler Comment
  UCR140392  Lupinus nanus George K. Helmkamp 2004-2-29 8312 San Luis Obispo Central Coast, Nipomo Mesa, Nipomo, Orchard Ave. 0.1 mi NW of Division St. 116 Comment
  OBI78135  Lupinus nanus Robert F. Hoover 1948-4-17 7481 San Luis Obispo Commatti Cyn Comment
  SEINET2442006  Lupinus nanus Unknown 1983-4-9 18 San Luis Obispo State Hwy. 58, 1.5 mi east of Avenales Wildlife Area. Comment
  CAS-BOT-BC202126  Lupinus nipomensis Alice Eastwood 1940-4-14 18929 San Luis Obispo Nipoma [Nipomo] Mesa 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
  POM203583  Lupinus subvexus var. phoeniceus I. L. Wiggins 1932-3-20 5792 San Luis Obispo Hills east of Cholame on grade above the valley. Comment
  OBI80497  Lupinus succulentus Jordan Haserot, Camilla Mansour, Lucie Simmons 2015-3-3 1 San Luis Obispo Top of Terrace Hill, found along trail about a mile up. Found on the terraced plateau in a flat grassy area. Lives in mediteranian climate with full sub on a hillside. 21 Comment
  OBI12816  Lupinus truncatus Robert F. Hoover 1969-5-3 11295 San Luis Obispo 3 mi W of Nipomo Comment
  UCR57542  Lupinus variicolor George K. Helmkamp 1989-8-6 s.n. San Luis Obispo Central Coast, Baywood Park, at the south edge of Morro Bay 3 Comment
  SEINET6932750 Image available Lupinus versicolor W. P. Vestal, A. G. Vestal 1955-4-19 s.n. San Luis Obispo Ca. 4.5 miles north-northeat of San Louis Obispo below Cuesta Pass. Comment
  CAS-BOT-BC441356  Luzula subsessilis Lewis S. Rose 1936-3-19 36075 San Luis Obispo Cambria 30 Comment
  OBI28785  Lysimachia arvensis David J. Keil, Melissa Luckow, Richard A. Pimentel, and Rhonda Riggins-Pimentel 1981-4-24 14518 San Luis Obispo Jctn of Shell Crk Rd and Calif hwy 58 S of Shandon Comment
  OBI37682  Lysimachia arvensis Eric Wise 1981-6-11 523 San Luis Obispo Little Morro Crk, Morro Bay Comment
  OBI74334  Lysimachia arvensis Theo Fitanides, Anthony Baniaga 2010-3-26 55 San Luis Obispo Tierra Redonda Mtn BLM ACEC 343 Comment
  OBI67019  Lysimachia latifolia D. R. Miller 1997-4-6 497 -646 San Luis Obispo Pine Mt. Region. At Campo Escondito, Pico crk 600 Comment
  OBI32201  Lysimachia minima David J. Keil, V. L. Holland, Rhonda Riggins, and Melissa Luckow 1982-4-8 15849 San Luis Obispo N of San Simeon on ridge along N side of Arroyo de la Cruz Comment
  UC1953234  Lythrum californicum David Keil 2009-6-30 30627 San Luis Obispo San Luis Obispo outskirts. From Ranch off Calle Joaquin west of Los Osos Valley Road. Comment
  OBI15726  Madia elegans Robert F. Hoover 1946-9-15 6397 San Luis Obispo Rinconada district, betw. Santa Margarita and Pozo Comment
  OBI25465  Madia exigua David J. Keil, Malcolm McLeod, Melissa Luckow, Julie Vandervier et al. 1980-5-18 13978 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
  OBI59367  Madia exigua David J. Keil 2001-5-31 29529 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  RSA0043086  Madia gracilis LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-30 6386 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
  UC2027148  Madia gracilis David J. Keil with Matt Ritter, D. R. Miller, David & Linda Chipping, Brett Hall, Steve McCabe and Jenn Yost 2013-5-7 31711 San Luis Obispo Along upper slopes of Santa Lucia Mountains along Rocky Butte Truck Trail near junction with San Simeon Creek Road Comment
  OBI69779  Madia sativa D. R. Miller 1993-8-24 893 -47 San Luis Obispo Pine Mtn Region. Near N corner of the bldg at Ocean View Mine 853 Comment
  UCR118183  Madia sativa George K. Helmkamp, E. A. Helmkamp 2000-9-2 5979 San Luis Obispo Irish Hills, See Canyon (S portion), c. 1.8 mi north of San Luis Bay Drive (N of Avila Beach) 91 Comment
  SBBG110180  Maianthemum racemosum C. B. Hardham 1956-4-26 564 San Luis Obispo Santa Rita Crk, W of Templeton Comment
  PGM2946  Malacothamnus davidsonii Vern Yadon 1987-7-16 San Luis Obispo Bee Rock, 1/4 mi W fr Bee Rock Store Comment
  CAS-BOT-BC204150  Malacothamnus jonesii Alice Eastwood; John Thomas Howell 1938-6-13 5910 San Luis Obispo Calf. Canyon Comment
  POM85070  Malacothamnus jonesii Marcus E. Jones 1902-6-25 s.n. San Luis Obispo Paso Robles. Comment
  SBBG4662  Malacothamnus jonesii C. B. Hardham 1957-5-31 2035 San Luis Obispo Chimney Rock Ranch, south rd to Adelaida Comment
  UC1122034  Malacothamnus jonesii T. M. Hendrix 1939-5-25 1059 San Luis Obispo 1 1/4 mi se Joughin Ranch; Branch Mt. Quadrangle Comment
  CAS-BOT-BC204161  Malacothamnus jonesii P. A. Munz 1951-4-14 16331 San Luis Obispo Queen Bee Public Camp, La Panza Range 701 Comment
  OBI12352  Malacothamnus jonesii Robert F. Hoover 1950-5-28 7936 San Luis Obispo Redrock Cyn, N side of lower Cuyama Valley Comment
  OBI12360  Malacothamnus jonesii Robert F. Hoover 1950-5-11 7905 San Luis Obispo Upper Arroyo Grande 6 mi above county park Comment
  SBBG43413  Malacothamnus jonesii C. Bornstein, B. Collins 1994-4-23 San Luis Obispo St Hwy 58 between Pozo and Park Hill Rds 365 Comment
  RSA29616  Malacothamnus niveus Roxana S. Ferris 1939-6-1 s.n. San Luis Obispo About 3 miles east of Atascadero. 412 Comment
  POM48394  Malacothamnus palmeri var. palmeri Edward Palmer 1876-7-17 50 San Luis Obispo Cambria Comment
  SBBG81964  Malacothrix californica C. F. Smith 1950-5-4 2763 San Luis Obispo Creston-Simmler Rd at Fernandez Crk Comment
  SEINET7063598  Malacothrix californica A. G. Vestal 1947-4-12 s.n. San Luis Obispo 'Purple Pastureao just west of San Luis Obispo-Kern County Line on Route 166. UTM Zone 11, 274519mE, 3877450mN. (WGS84/NAD83). 786 Comment
  UC1069917  Malacothrix californica T. M. Hendrix 1937-4-22 62 San Luis Obispo 3 1/4 mi nne Huerhuero School (Plot 108 A.D.G.); Pozo Quadrangle Comment
  CAS-BOT-BC345341  Malacothrix californica Ernest C. Twisselmann 1955-4-26 1896 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Plain 3/4 mile east of Soda Lake 624 Comment
  OBI54481  Malacothrix clevelandii Matthew Arterburn 1997-4-28 69 San Luis Obispo Fris Camp near Black Mtn, La Panza Range Comment
  OBI72334  Malacothrix clevelandii Anthony Baniaga, Theo Fitanides 2010-5-16 215 San Luis Obispo Tierra Redonda Mtn BLM ACEC 614 Comment
  CAS-BOT-BC347335  Malacothrix coulteri Ernest C. Twisselmann 1954-5-1 1139 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Gypsum Hills, 7 miles east of Simmler 762 Comment
  CAS-BOT-BC347547  Malacothrix floccifera R. F. Hoover 1952-5-11 8190 San Luis Obispo Navajo Creek district, east side of La Panza Range Comment
  OBI15662  Malacothrix glabrata Robert F. Hoover 1948-4-17 7475 San Luis Obispo San Juan River S of Shandon Comment
  CAS-BOT-BC322490  Malacothrix incana Ernest C. Twisselmann 1959-11-2 5895 San Luis Obispo Oceano Dunes west of Oso Flaco Lake 4 Comment
  LA211626  Malacothrix incana Mark A. Elvin; Jason Storlie 2014-10-10 7662 San Luis Obispo Guandalupe-Nipomo Dunes National Wildlife Refuge, Beach of Pacific Ocean at northern edge of Refuge. 3.0 Comment
  OBI15650  Malacothrix incana Robert J. Rodin 1957-5-16 6148 San Luis Obispo 1/2 mi S of Morro Bay Comment
  UCR247972  Malacothrix incana David J. Keil 2012-8-21 31502 San Luis Obispo Oceano Dunes State Vehicular Recreation Area, north of Grand Avenue, Grover Beach 8 Comment
  CAS-BOT-BC347847  Malacothrix saxatilis var. commutata Clare B. Hardham 1956-6-19 976 San Luis Obispo Santa Lucia Mountains. Peachy Canyon Comment
  OBI7416  Malva assurgentiflora Greg Hassen 1976-2-17 s.n. San Luis Obispo Vacant lot on Arbutus st, in Morro Bay Comment
  OBI58267  Malva nicaeensis Austin P. Griffiths 1987-4-29 s.n. San Luis Obispo Weeds of California. Oceano Comment
  OBI31779  Malva nicaeensis Turnquist, Smeltzer 1982-6-16 163 San Luis Obispo Laguna Lake Park. Area near N end of paved rd Comment
  RSA318067  Malva parviflora E. C. Twisselmann 1971-12-9 18569 San Luis Obispo Dorothy Twisselmann Ranch, eastern San Luis Obispo Co. 671 Comment
  CAS-BOT-BC8182  Malvastrum gracile Alice Eastwood 1927-7-30 14996 San Luis Obispo On road from Arroya Grande to Huasna Comment
  OBI24078  Marah fabacea Janice M. Toyoshima 1979-5-18 M 7 San Luis Obispo S of Shark Inlet, Morro Bay Comment
  OBI32652  Marah fabacea David J. Keil 1982-5-2 15893 San Luis Obispo Ca. 1 mi W of jctn of Huerhuero Rd with Calif Rte 58 and S on dirt rd Comment
  UC1122845  Marah fabacea N. K. Carlson 1936-3-18 140 San Luis Obispo 0.6 mi ssw Picacho (Plot #2); Arroyo Grande Quadrangle Comment
  UCR93201  Marah fabacea George K. Helmkamp 1993-3-5 s.n. San Luis Obispo Central Coast, south end of Morro Bay & SW of Baywood Park 9 Comment
  OBI14818  Marah fabacea S. Wainwright 1964-2-29 5 San Luis Obispo 4 mi W of Los Osos school on Los Osos Valley Rd Comment
  SJSU3331  Marah fabacea Sharsmith 1962-4-20 6816 San Luis Obispo slope of Coyote Hill, Carrizo Plain c. 24 mi SE of Simmler Comment
  SEINET6330200 Image available Marsilea vestita Robert J. Rodin 1971-2-8 8449 San Luis Obispo Pond at California State Polytechnic College, San Luis Obispo Comment
  CAS-BOT-BC348076  Matricaria discoidea Alice Eastwood 1926-5-5 13868 San Luis Obispo Cholame Comment
  OBI12801  Medicago polymorpha A. Ahmad 1963-4-21 9 San Luis Obispo Cal Poly Campus Comment
  OBI28283  Medicago polymorpha Rick Frelinger 1982-5-10 61 San Luis Obispo Reservoir Cyn, San Luis Obispo Comment
  UCR146832  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2004-10-8 8842 San Luis Obispo Central Coast, Biddle Regional Park, 7 mi NE of Arroyo Grande along Lopez Drive and Arroyo Grande Creek 136 Comment
  OBI28377  Medicago polymorpha Karen Wilferth 1982-5-1 s.n. San Luis Obispo 25 mi E of Arroyo Grande on Huansa Rd, just 1/4 of a mile before reaching Agua Escondido campground Comment
  OBI30118  Medicago polymorpha Melissa Luckow 1982-6-24 894 San Luis Obispo Cambria, jctn of hwy 1 and rd to Black Mt SE corner of rd. EIR vouchers Comment
  OBI65734  Medicago sativa D. R. Miller 1994-7-13 794 -501 San Luis Obispo Pine Mt Region, around the Chappellas main house area, on the Main Ridge Rd, upper Pico Crk drainage 914 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
  UC1132252  Melica californica G. T. Nordstrom 1937-5-13 1213 San Luis Obispo 1.3 mi ene Asuncion School; Adelaida Quad. 381 Comment
  UCD147205  Melica californica Melanie Gogol-Prokurat 2008-4-23 CARR 124 San Luis Obispo San Luis Obispo County: Carrizo Plains Ecological Reserve, Chimineas Ranch. 795 Comment
  OBI3837  Melica imperfecta Elizabeth Rudd 1971-5-23 282 San Luis Obispo 3 mi NE of Santa Margarita 366 Comment
  CAS-BOT-BC281665  Melica imperfecta Ernest C. Twisselmann 1957-4-28 3417 San Luis Obispo La Panza Range. Martinez Canyon 673 Comment
  OBI12795  Melilotus albus Robert F. Hoover 1966-9-16 10030 San Luis Obispo Santa Margarita Crk 2 mi N of Santa Margarita Comment
  OBI35362  Melilotus indicus Melody Dickens 1980-7-4 37 San Luis Obispo Morro Rock, Morro Bay Comment
  SBBG104960  Melilotus indicus M. D. Proctor, E. A. Young 1993-3-17 ROB 209 San Luis Obispo 2 km SE of Twin Bridges on Boy Scout Rd; Camp Roberts Comment
  OBI19036  Melilotus indicus Sherie Guinn 1978-5-19 8 San Luis Obispo Prefumo Cyn along a dry rd in shaded area Comment
  OBI31594  Melilotus indicus Joy Nishida 1982-5-8 374 San Luis Obispo American Cyn, .9 mi S from Amer Cyn campground 518 Comment
  OBI36693  Melilotus indicus Eric Wise 1981-6-7 487 San Luis Obispo Rancho Riconado, 23.1 mi W of New Cuyama Comment
  RSA586078  Melilotus indicus G. R. Proctor, E. A. Young ROB- 0405 San Luis Obispo 0.5 km S of W Perimeter Rd. Comment
  UC1953277  Mentha suaveolens D. R. Miller 2007-8-9 807 .859 San Luis Obispo Pine Mt Region. Throughout beds next to house at D. R. Miller property, Tobacco Creek drainage. Comment
  RSA115613  Mentzelia affinis E. C. Twisselmann 1955-5-18 1994 San Luis Obispo San Juan River Valley, 8.6 miles south of Shandon 427 Comment
  SBBG108303  Mentzelia laevicaulis C. B. Hardham 1957-9-1 2529 San Luis Obispo Nacimiento Lake Comment
  UC2027260  Mentzelia micrantha David Keil 1987-5-6 20130 San Luis Obispo Highway 229 ca 1/2 mile north of junction Highway 58. Comment
  UC454534  Mentzelia micrantha I. J. Condit 1908-4-2 San Luis Obispo Lopez Canyon Comment
  OBI54247  Mentzelia pectinata George Butterworth 1995-4-27 44 San Luis Obispo Carrizo Plain Natural area 975 Comment
  OBI12498  Mentzelia pectinata Robert F. Hoover 1950-4-2 7804 San Luis Obispo Crocker Grade, Temblor Range Comment
  OBI54383  Mentzelia veatchiana George Butterworth 1995-5-22 81 San Luis Obispo Carrizo Plain Natural Area. 100 ft SE of top of peak 1545 Comment
  OBI55180  Micranthes bryophora Greg Frugoli 1997-2-22 8 San Luis Obispo .25 mi N of Queen Bee cmpgd. La Panza range, Los Padres NF (hwy 5 burn area) 796 Comment
  CAS-BOT-BC348567  Micropus californicus var. californicus Roxana S. Ferris; Ruth P. Rossbach 1938-5-12 9444 San Luis Obispo 8 miles east of Santa Margarita on Mountain Road near its junction with State Highway #178 Comment
  JEPS97039  Microseris douglasii Clare B. Hardham 1958-5-7 3244 San Luis Obispo hills between Bee Rock and the Nacimiento Comment
  OBI32978  Microseris douglasii subsp. douglasii David J. Keil, Malcolm McLeod, and CNPS Rare plant committee 1983-5-1 16959 San Luis Obispo Between Arroyo de la Cruz and Arroyo de los Chino Comment
  UC1979368  Microseris douglasii subsp. douglasii David Keil with Kathleen A. Keil 1998-5-10 27162 San Luis Obispo Hillside above of Lizzie Street above SLO High School. Comment
  UC455853  Microseris douglasii subsp. douglasii E. P. Unangst 1906-4-30 San Luis Obispo Stenner Comment
  CAS-BOT-BC349130  Microseris douglasii subsp. tenella Mrs. R. W. Summers 1889-1-16 s.n. San Luis Obispo Near Morro Bay Comment
  OBI33063  Microseris douglasii subsp. tenella David J. Keil, Dirk Walters, Malcolm McLeod, Bernard Burdett, and Lela Burdett 1983-5-14 17014 San Luis Obispo Along ridge system between Arroyo de la Cruz and Arroyo del Oso Comment
  RSA340772  Microseris douglasii subsp. tenella K. L. Chambers 1956-4-29 1034 San Luis Obispo Highway 101 (freeway), 1.7 miles north of junction with Monterey Avenue at north edge of San Luis Obispo Comment
  OBI56552  Microseris elegans David J. Keil 1998-6-8 27729 San Luis Obispo Hwy 58, 6.2 road miles E of junction with Red Hill Rd. Comment
  RSA0036674  Microsteris gracilis LeRoy Gross, Evan Meyer 2014-4-15 6240 San Luis Obispo Started at Rinconnada Mine parking area, off west Pozo Road. [From] Near 35.28989N 120.47503W. Ended at the mouth of Little Falls Creek that empties into Lopez Canyon., Near 35.24611N 120.48745W. Entered into the Santa Lucia Wilderness at the start of Little Falls Creek trail. 204 Comment
  HSC91478  Mimulus aurantiacus Susan H. Bicknell 1989-4-16 San Luis Obispo Montano de Oro Comment
  OBI62440  Mimulus aurantiacus Bernard Miossi 1939-8-6 156 San Luis Obispo At head of Islay Crk on W facing slope of hill, Pecho district, 12 mi from San Luis Obispo 305 Comment
  OBI9496  Mimulus aurantiacus var. aurantiacus Russell Gorman 1956-5-17 57 San Luis Obispo Los Berros Cyn approx 4 mi N of Nipomo Comment
  OBI9529  Mimulus aurantiacus var. aurantiacus R. F. Hoover 1964-6-5 8905 San Luis Obispo Ridge SE of Cuesta Pass Comment
  UCSB22228  Mimulus aurantiacus var. aurantiacus McMinn, H. 1947-5-25 San Luis Obispo About 5.6 miles southwest of Templeton on road to Cayucos via Santa Rita Canyon 274 Comment
  UCD122311  Mimulus aurantiacus var. grandiflorus Roman Gankin 1965-3-30 462 San Luis Obispo San Luis Obispo County: east side of Burnett Peak. Comment
  UC56096  Mimulus fremontii var. fremontii J. H. Barber 1899-4-23 San Luis Obispo Paso Robles Comment
  UC573554  Mimulus fremontii var. fremontii A. D. Gifford 1936-5-6 729 San Luis Obispo 1.2 mi n Park Ranch; Nipomo Quadrangle 365 Comment
  OBI37674  Mimulus guttatus Eric Wise 1981-6-11 514 San Luis Obispo Little Morro Crk, Morro Bay Comment
  OBI81520  Mimulus guttatus Maddie Stukan, Brad Bushing, Vihari Muttineni, Rachel Schultz 2015-11-8 10 San Luis Obispo Pennington Creek Bio Reserve. On side of trail; east facing slope. Comment
  SBBG107026  Mimulus guttatus C. B. Hardham 1961-4-26 6920 San Luis Obispo Franklin Crk, W of Adelaida Comment
  RSA425106  Mimulus guttatus C. F. Smith 1968-7-30 10108 San Luis Obispo Oceano State Park. Comment
  UCSB41700  Mimulus guttatus Norton, Beth 1981-5-9 San Luis Obispo In Shell Creek; in Avenales Wildlife Area; 19 miles from Santa Margarita; on highway 58 518 Comment
  OBI57346  Minuartia cismontana David J. Keil, with Kathleen A. Keil 1998-4-18 26801 San Luis Obispo Area around Shell Creek both N and S of Shell Creek Rd; 1/2 mile from Hwy 58. Comment
  RSA132979  Minuartia cismontana Clare B. Hardham 1958-4-28 3136 San Luis Obispo Hills between San Juan River and Carissa Plains. Comment
  OBI26330  Minuartia douglasii Lyda W. Edge 1973-4-12 302 San Luis Obispo Near Whale rock reservoir, State hwy 46 Comment
  OBI57334  Minuartia douglasii David J. Keil 1998-5-6 27128 San Luis Obispo E of San Miguel along Cross Canyon Rd., 1.8 mi W of junction with Ranchita Canyon Rd. Comment
  UC338240  Monardella breweri Lemmon Jun 1 1887-Jan 1 1900 4588 San Luis Obispo Lemmon's Ranch Cholame Comment
  SBBG109894  Monardella breweri C. B. Hardham 1957-7-20 2469 San Luis Obispo 1.6 mi E of Parkhill Rd on Calf Cyn Rd Comment
  RSA25672  Monardella crispa Carl B. Wolf 1941-7-10 10973 San Luis Obispo 2.5 miles (airline) east of Oso Flaco Lake, or between the CA Hwy 1 and S.P.R.R. 30 Comment
  SEINET10582029  Monardella crispa A. Graff 1993-7-8 Graff 153 San Luis Obispo Big Coreopsis Hill, south-facing slope. T32S,R12E. Need permission from Nature Conservancy to collect. Locally abundant, with Camissionia cheiranthifolia, Coreopsis gigantea, Carpobrotus chilensis, Abronia latifolia, A. umbellata, etc. Bombus sp. Comment
  SEINET10961478  Monardella crispa A. Graff 1993-7-8 Graff 152 San Luis Obispo Big Coreopsis Hill, south-facing slope. T32S,R12E. Need permission from Nature Conservancy to collect. Locally abundant, with Camissionia cheiranthifolia, Coreopsis gigantea, Carpobrotus chilensis, Abronia latifolia, A. umbellata, etc. Bombus sp. Comment
  SEINET10961479  Monardella crispa A. Graff 1993-7-8 Graff 155 San Luis Obispo Nipomo Dunes. On the left side of the road to the ocean, in a depression. Need permission from the Nature Conservancy to collect. Locally infrequent, without co-occurring spp. Comment
  OBI44869  Monardella palmeri David J. Keil 1979-7-1 13123 San Luis Obispo Ridge between Prefumo and See Cyns, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd Comment
  CAS-BOT-BC318615  Monardella palmeri Alice Eastwood 1927-7-31 15002 San Luis Obispo On road between Atascadero & Morro Comment
  RSA140076  Monardella palmeri Clare B. Hardham 1960-6-24 6250 San Luis Obispo Flowers purple, chaparral, edge of Cuesta Sargent Cypress grove. Serpentine. Ratio of Leaf length width 823 Comment
  RSA518399  Monardella palmeri Steven A. Junak 1990-7-26 4424 San Luis Obispo Santa Lucia Mountains; N slope of W Cuesta Ridge in Cuesta Ridge Botanical Area, 0.4 miles NW of Peak 2478 at SW end of mine excavation along abandoned mine road which intersects W Cuesta Ridge Road 4 miles W of Hwy 101 659 Comment
  UC104690  Monardella palmeri E. Palmer. M. D. 1876-8-2 359 San Luis Obispo n San Luis Obispo; Coast Range; N of San Luis Obispo Comment
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Jul 11 2015
  CAS-BOT-BC220195  Monardella sinuata subsp. sinuata R. W. S. 1882-2-3 s.n. San Luis Obispo Unspecified Comment
  OBI58391  Monardella undulata Austin P. Griffiths 1987-6-6 18211 San Luis Obispo Guadalupe Dunes Region. Along S foot of Big Coreopsis Hill. Comment
  RSA630358  Monardella undulata R. E. Riefner Jr. 1999-8-11 99 -357 San Luis Obispo Montana de Oro State Park. Comment
  UC52270  Monardella undulata Mrs. R. W. Summers 1882-2-3 656 San Luis Obispo Sea Shore Hills Comment
  OBI58384  Monardella undulata subsp. crispa Austin P. Griffiths, Elizabeth Scott-Graham 1987-3-29 18078 San Luis Obispo Guadalupe Dunes, On sand ridge shoulder, just NW of Coreopsis Lake 91 Comment
  JEPS100243  Monardella undulata subsp. undulata Dean W. Taylor with Alison Colwell 2002-9-26 18445 San Luis Obispo Oso Flaco Lake, dunes just north from the beach access boardwalk, Pismo Dunes State Park 9 Comment
  OBI58372  Monardella undulata subsp. undulata Austin P. Griffiths, M. E. Griffiths 1986-5-15 s.n. San Luis Obispo Callender Dunes, northernmost Guadalupe Dune Ridge Comment
  CAS-BOT-BC214155  Monardella villosa subsp. obispoensis R. F. Hoover 1946-8-18 6304 San Luis Obispo 5 mi. w. of Pozo Comment
  OBI32148  Monardella villosa subsp. obispoensis David J. Keil 1981-6-20 14872 San Luis Obispo N of San Simeon along the channel and banks of Arroyo de la Cruz E of hwy 1 Comment
  RSA0006489  Monardella villosa var. subglabra Robert F. Hoover 1946-6-22 6183 San Luis Obispo Perry Creek se. of Cambria, on slope near Pinus radiata. Comment
  OBI16601  Monolopia congdonii Robert F. Hoover 1950-1 San Luis Obispo Comment
  UC1285416  Monolopia congdonii R. F. Hoover 1950-4-14 7828 San Luis Obispo n end of Elkhorn Plain Comment
  OBI18710  Monolopia lanceolata Robert F. Hoover 1966-3-30 9748 San Luis Obispo W edge of Carrizo Plain W of Simmler Comment
  UC57429  Monolopia lanceolata J. H. Barber 1901-3-10 A 5 San Luis Obispo Paso Robles Comment
  CAS-BOT-BC349550  Monolopia lanceolata Ella Dales Cantelow 1941-3-29 3581 San Luis Obispo E. of La Panza Comment
  CAS-BOT-BC349561  Monolopia lanceolata David D. Keck 1933-5-4 2168 San Luis Obispo West side of Cottonwood Grade, headwaters of Estrella River Comment
  OBI39017  Monolopia lanceolata David J. Keil, Dirk Walters, et al. 1986-3-22 19081 San Luis Obispo S of Soda Lake along Soda Lake Rd T32S, R21E, sec 10,11 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-BC349692  Monolopia stricta R. F. Hoover 1950-4-2 7793 San Luis Obispo 6 miles E. of Simmler, Carrizo Plain Comment
  RSA0038446  Montia perfoliata W. M. Arbaugh 1968-4-28 165 San Luis Obispo Shell Beach. Comment
  OBI36941  Morella californica Eric Wise 1982-7-2 1613 San Luis Obispo Oso Flaco Lake Comment
  CAS-BOT-BC109027  Mucronea californica R. F. Hoover 1964-7-11 9168 San Luis Obispo Price Canyon. Comment
  JEPS109930  Mucronea californica Dean W. Taylor 2003-6-28 18629 San Luis Obispo 3 air miles N of Pozo, along Park Hill Road 0.3 miles east of junction with River road, drainage of Toro Creek 487 Comment
  RSA205088  Mucronea californica S. Carlquist 1969-7-1 4329 San Luis Obispo 5.5 miles south of Oceano Comment
  CAS-BOT-BC109054  Mucronea californica Rimo Bacigalupi; R. S. Ferris; G. T. Robbins 1955-5-25 5233 San Luis Obispo Parkhill Road, 5.7 miles east of Santa Margarita. 365 Comment
  UC1136044  Mucronea perfoliata N. H. French 1937-4-3 918 San Luis Obispo 10 mi e Cuyama Ranch; Santa Ynez Quadrangle Comment
  CAS-BOT-BC415977  Mucronea perfoliata Ernest C. Twisselmann 1954-6-7 1339 San Luis Obispo Temblor Range, San Joaquin Valley, summit of Palo Prieta Canyon, 7 miles S of Cholame (Palo Prieta Field, near Hardenburgh fence) 640 Comment
  UC1392774  Mucronea perfoliata R. F. Hoover 1969-6-3 11353 San Luis Obispo 3 mi e Santa Margarita; Moreno Canyon Comment
  OBI22034  Muhlenbergia utilis Robert F. Hoover 1966-10-1 10102 San Luis Obispo Upper Arroyo Grande at confluence of Phoenix Crk Comment
  RSA43140  Muilla maritima Robert F. Hoover 1947-3-30 6839 San Luis Obispo West edge of Carrizo Plain, west of Simmler Comment
  POM98570  Muilla maritima Philip A. Munz 1925-3-25 9259 San Luis Obispo Pismo Creek, 3 miles from Pismo. Comment
  UC310380  Muilla maritima Philip A. Munz 1925-3-25 9259 San Luis Obispo open field 3 mi from Pismo; Pismo Creek Comment
  PASA1225  Muilla serotina Margaret Stason 1930-4-13 228 San Luis Obispo near Santa Margarita Comment
  OBI81477  Myoporum laetum Ryan Vidnolo, Andrew McHaney, Rachel Wehrman, August Fluegge, Alana Higgins, Lauren Tallichet 2014-11-10 9 San Luis Obispo Morro Bay Outlet 19 Comment
  UCSB33195  Myosurus minimus Reisentz, Paul 1979-4-15 San Luis Obispo North end of Soda Lake, 14 miles southeast on Soda Lake Road from California Valley Road. Comment
  CAS-BOT-BC101767  Myrica californica Henry M. Pollard 1968-6-7 s.n. San Luis Obispo Margin of Lake Oso Flaco Comment
  OBI82847  Myriopteris covillei David J. Keil 1998-4-16 26764 San Luis Obispo Los Padres National Forest 0.5 miles NW from junction with road to Navajo Camp on Black Mountain Rd. Comment
  RSA173968  Najas marina Robert F. Thorne, Percy C. Everett 1962-10-3 31407 San Luis Obispo Oso Flaco Lake. 8 Comment
  RSA0103357  Nama californica Robert F. Hoover 1952-5-24 8209 San Luis Obispo Caliente Ridge. On summit ridge west of peak. Comment
  RSA126809  Nassella cernua T. M. Hendrix 1937-5-11 172 San Luis Obispo 3 3/4 miles northeast of Huerhuero School. 473 Comment
  RSA126810  Nassella cernua H. C. Lee 1937-4-29 864 San Luis Obispo One mile north-northwest of Wellsona. 213 Comment
  RSA585592  Nassella cernua F. L. Johnson, E. A. Young 1993-5-25 ROB- 610 San Luis Obispo 0.5 km SE of Deer Trail Rd. on W Perimeter Rd. Comment
  RSA492690  Nassella lepida Walter Wisura 1989-5-16 4345 San Luis Obispo San Bernardo Creek Ranch, E of Morro Bay Comment
  RSA787619  Nassella lepida D. M. McF 1954-6-18 s.n. San Luis Obispo Dick Westerman Road. Arroyo Grande. 15 mi [from] ocean. 152 Comment
  OBI15138  Nasturtium gambelii Robert F. Hoover 1949-5-24 7725 San Luis Obispo Oceano Beach Comment
  OBI32049  Nasturtium officinale David J. Keil, Eric Wise 1981-5-25 14788 San Luis Obispo N of San Simeon in vicinity of Arroyo de la Cruz. Near hwy 1 in windswept coastal areas Comment
  RSA0013396  Nasturtium officinale Mark A. Elvin, Joanna Iwanicha 2009-6-30 6375 San Luis Obispo lower reaches of Oso Flaco Creek, just behind beach 5 Comment
  UC1124084  Navarretia atractyloides H. C. Lee 1937-5-26 1007 San Luis Obispo 1.5 mi ne Creston; Paso Robles Quad. 350 Comment
  OBI11345  Navarretia atractyloides Robert F. Hoover 1965-9-7 9528 San Luis Obispo Santa Lucia Range. Santa Rita Crk W of Templeton Comment
  UC1124114  Navarretia jaredii H. C. Lee 1937-5-10 921 San Luis Obispo 2 mi se San Miguel; San Luis National Forest, Paso Robles Quad. 228 Comment
  UC335508  Navarretia jaredii J. G. Lemmon San Luis Obispo Comment
  UC573566  Navarretia jaredii G. T. Nordstrom 1937-5-16 1240 San Luis Obispo 2.1 mi se Chimney Rock; Adelaida Quad. 304 Comment
  RSA140487  Navarretia jaredii Clare B. Hardham 1960-6-1 5965 San Luis Obispo Santa Lucia Mountains: Burnett Peak 609 Comment
  OBI74415  Nemacladus ramosissimus Theo Fitanides, Anthony Baniaga 2010-4-23 134 San Luis Obispo Tierra Redonda Mtn BLM ACEC 604 Comment
  OBI20984  Nemacladus ramosissimus Robert F. Hoover 1952-5-11 8174 San Luis Obispo W slope of La Panza Range Comment
  CAS-BOT-BC416310  Nemacladus secundiflorus var. robbinsii Clare B. Hardham 1960-5-12 5677 San Luis Obispo Santa Lucia Mountains. Outcrops, 1 mile W of Bee Rock Comment
  OBI57348  Nemacladus secundiflorus var. secundiflorus David J. Keil 1998-6-10 27754 San Luis Obispo Shell Creek area, 0.5 miles N from Hwy 58 along Shell Creek Rd. on east side of road. Comment
  POM202997  Nemophila menziesii var. menziesii Mary E. Wall 1933-4-20 s.n. San Luis Obispo Santa Margarita. Comment
  SBBG107271  Nemophila pedunculata C. B. Hardham 1961-4-26 6928 San Luis Obispo Franklin Crk, W of Adelaida Comment
  POM96481  Nemophila pedunculata P. A. Munz 1926-4-8 10126 San Luis Obispo Paso Robles. Comment
  OBI79735  Nemophila pulchella David J. Keil, with Matt Ritter, George Butterworth and Jepson Herbarium Weekend Workshop participants 2012-4-20 31289 San Luis Obispo Carrizo Plains Ecological Preserve. Chimineas Ranch (California Department of Fish and Game). Canyon west of ranch headquarters Comment
  UC659446  Nemophila pulchella var. fremontii Lincoln Constance, Alan A. Beetle 1940-3-22 2534 San Luis Obispo 4 mi w La Panza (e side La Panza Range); Inner Coast Ranges, , w of La Panza 487 Comment
  OBI5279  Nerium oleander Elizabeth Gollub 1973-10-14 35 San Luis Obispo Shrubs of Cal Polytechnic State Univ campus. W side of Engineering W Comment
  RSA212539  Nicotiana bigelovii E. C. Twisselmann, D. J. Bedell 1969-7-5 15657 San Luis Obispo Salinas River 5 miles S of Paso Robles 183 Comment
  OBI66665  Nicotiana quadrivalvis D. R. Miller 1997-8-3 895 -674 San Luis Obispo Pine Mt Region. Well outside study area on Ridge rd near Monterey Co line 610 Comment
  UC1392981  Nicotiana quadrivalvis R. F. Hoover 1969-7-13 11459 San Luis Obispo 2 mi s Atascadero Comment
  OBI78397  Nuttallanthus texanus Walter F. Chesbro 1978-4-9 55 San Luis Obispo Below Montana de Oro State Park 12 Comment
  UCSB11448  Nuttallanthus texanus Forrest, Sharon 1962-4-6 San Luis Obispo south entrance to Morro Bay State Park Comment
  CDA17873  Oemleria cerasiformis Austin Griffiths 1987-4-11 18102 San Luis Obispo Santa Lucia Mountains; Along N bench of Arroyo de la Cruz watercourse, ca. half mile downstream from streamflow gauge. 7 Comment
  UC1128082  Oemleria cerasiformis H. C. Lee 1936-2-16 400 San Luis Obispo Head of Newsom Canyon; Arroyo Grande Quad. 243 Comment
  UC57604  Oemleria cerasiformis J. H. Barber 1900-3-29 San Luis Obispo Paso Robles Comment
  OBI66494  Oemleria cerasiformis David J. Keil, Kathleen Keil 1995-3-25 24635 San Luis Obispo Santa Lucia Mts. S of Calif hwy 41 near Cerro Alto campground, Los Padres Natl Forest Comment
  RSA128121  Oemleria cerasiformis Clare B. Hardham 1959-3-14 4070 San Luis Obispo York Mt. Comment
  CDA17864  Oenanthe sarmentosa Austin Griffiths, Clare B. Hardham, Craig Cunningham 1987-6-26 18251 San Luis Obispo Pismo Dunes; Bordering Oso Flaco Lake edge along south side of first westerly area. 0 Comment
  SBBG107318  Oenanthe sarmentosa C. B. Hardham 1957-9-12 2610 San Luis Obispo Santa Rosa Crk, Cambria Comment
  UC1311699  Oenanthe sarmentosa Robert J. Rodin 1959-5-26 6352 San Luis Obispo marsh near Morro Bay at Cuesta By The Sea Comment
  OBI5536  Oenanthe sarmentosa Sharon Jochums 1974-4-28 187 San Luis Obispo Area W of hwy 1 just N of Piedras Blancas Point Comment
  OBI57955  Oenanthe sarmentosa Austin P. Griffiths, Dirk Walters 1984-4-28 s.n. San Luis Obispo Nipomo Dunes. township/range T11N, R35W BM:S.In shallow margin of Big Twin lake along SW shore Comment
  SBBG60472  Oenothera elata subsp. hookeri M. M. Miles 1886-1 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  CDA21031  Ononis alopecuroides G. F. Hrusa, G. Perez, J. Parks 1998-7-21 14732 f San Luis Obispo Central California; 9975 Temettate Dr. off Suey Ck. Rd. approx. 15 mi. E Santa Maria, Nipomo. Comment
  OBI7779  Opuntia ficus-indica Malcolm G. McLeod 1973-11-17 1254 San Luis Obispo In open horse pasture about 20 m N of MGM 1255 Comment
  OBI6219  Opuntia phaeacantha M. G. McLeod 1974-2-28 1265 San Luis Obispo Corner of Viewmont and Sunset Hospital hill, SLO Comment
  OBI11867  Orobanche bulbosa Robert F. Hoover 1947-5-31 7239 San Luis Obispo Pine Mt of La Panza Range Comment
  CDA41916  Orobanche californica subsp. californica Austin Griffiths, B. Garner, D. Laine 1980-6-21 s.n. San Luis Obispo Morro Bay Sandspit; immed. SE of Shark Inlet, Morro Bay. Comment
  RSA0089855  Orobanche californica subsp. condensa Dean Wm. Taylor, Alison Colwell 2003-6-29 18568 San Luis Obispo Camatta Canyon, along Shell Creek Road 6.2 miles South of the junction, Truesdale Road, wash of the creek west of the road. 387 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
  PASA152  Orthocarpus erianthus var. micranthus Margaret Stason 1929-4-29 San Luis Obispo Hillside, Cuyama Valley Comment
  UC337331  Osmorhiza berteroi unknown 1887-1-1 San Luis Obispo Comment
  OBI27558  Oxalis corniculata Melinda Doud 1976-5-29 80 San Luis Obispo Baywood Park 6 Comment
  OBI83460  Oxalis pes-caprae Anyssa Rodarte, Andrew Johnson, Jack Molnar, Isaac Teixeira, Lauren Davenport 2017-1-28 5 San Luis Obispo Morro Beach Strand. along the west side of the creek about slightly past the walking bridge that crosses over the creek. 7 Comment
  UC1130241  Oxalis pes-caprae C. M. Belshaw 1936-3-28 1746 San Luis Obispo 1 mi nw Villa Creek; Cayucos quad 60 Comment
  CAS-BOT-BC318233  Packera breweri Ernest Christian Twisselmann 1955-5-27 2018 San Luis Obispo Phelps Hill, McMillan Ranch, eastern San Luis Obispo County. Comment
  UC454454  Paeonia californica I. J. Condit 1907-12-22 San Luis Obispo San Luis Mt. San Luis Obispo 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-BC121273  Paeonia californica John Thomas Howell 1931-3-22 5945 San Luis Obispo At summit of Cuesta Pass Comment
  CAS-BOT-BC121281  Paeonia californica Ernest C. Twisselmann 1969-4-24 15167 San Luis Obispo Santa Ysabel Ranch on the east side of the Salinas River 5 miles south of Paso Robles 213 Comment
  OBI74451  Panicum capillare David J. Keil, with V. L. Holland 1988-9-9 21118 San Luis Obispo North of Cayucos. West of Highway 1 on Villa Creek Road at site of partially constructed abalone farm 20 Comment
  OBI66604  Panicum capillare David J. Keil 1996-5-27 s.n. San Luis Obispo S of Creston along hwy 229 Comment
  OBI83586  Papaver californicum Michael Walgren 2016-4-22 526 San Luis Obispo Three small patches observed on the north side of a dirt road on the Pacific Gas and Electric Diablo Nuclear Power Plant property. Collected on a southwest facing slope near the ridgeline at approximately 35 deg. 14' 48.32" N 120 deg. 53' 00.64" W 304 Comment
  OBI22078  Parapholis incurva Robert F. Hoover 1947-4-18 6954 San Luis Obispo Mouth of San Simeon Crk Comment
  OBI22080  Parapholis incurva Robert F. Hoover 1947-5-20 7172 San Luis Obispo N end of Morro Bay Comment
  CAS-BOT-BC413377  Parietaria hespera var. californica Ira L. Wiggins 1929-4-16 3647 San Luis Obispo 8 miles north of Cayucos Comment
  POM265135  Pectocarya penicillata I. L. Wiggins 1929-4-13 3414 San Luis Obispo Along Salinas River 5 miles north of Paso Robles. Comment
  OBI3852  Pedicularis densiflora Elizabeth Rudd 1971-1-21 152 San Luis Obispo 3 mi NE of Santa Margarita 305 Comment
  OBI42374  Pedicularis densiflora David J. Keil 1986-4-8 19136 San Luis Obispo Fire Ecology class trip to BLM land on E side of Santa Margarita Lake Comment
  UC1125729  Pedicularis densiflora H. C. Lee 1937-3-31 806 San Luis Obispo 3 mi ne of Templeton 274 Comment
  JEPS99170  Pedicularis densiflora Clare B. Hardham 1957-4-14 1666 San Luis Obispo Marquart[?] Ranch, Cayucos Road Santa Lucia Mountains Comment
  OBI78366  Pedicularis densiflora Neil Havlik 1967-5-7 43 San Luis Obispo 2.5 mi W of US 101, near the roadside of Tassajera Peak Rd Comment
  OBI64169  Pelargonium X hortorum David J. Keil 2001-7-10 29642 San Luis Obispo Pismo Beach at Boosinger Park, vicinity of intersection of Lemoore and Wadsworth Comment
  SEINET3153875  Pellaea andromedifolia M. E. Jones 1882-5-5 3227 San Luis Obispo San Luis Obispo Comment
  OBI76706  Pellaea mucronata var. mucronata David J. Keil, LynneDee Althouse 2002-5-2 29871 San Luis Obispo Santa Margarita Ranch, in foothills on the E side of the Santa Lucia Mts Comment
  SEINET7063696  Penstemon centranthifolius A. G. Vestal 1947-4-16 s.n. San Luis Obispo South slope of a knoll. About 11.7 miles east of Arroyo Grande on the Huasna Road. UTM Zone 10, 736119mE, 3890068mN. (WGS84/NAD83). 287 Comment
  OBI9305  Penstemon centranthifolius P. J. Justen 1966-5-24 39 San Luis Obispo 1/2 mi from the ranger's lookout station on top of Black Mtn Comment
  CAS-BOT-BC70230  Pentagramma triangularis subsp. triangularis Alice Eastwood 1929-4-7 14294 San Luis Obispo Morro Comment
  UC638970  Pentagramma triangularis subsp. triangularis Bernard Miossi 1940-3-17 215 San Luis Obispo n San Luis Obispo (Polytechnic School Canyon) 121 Comment
  CAS-BOT-BC73703  Peritoma arborea var. globosa R. F. Hoover 1952-4-8 8094 San Luis Obispo West base of Temblor Range near McKittrick Road. Comment
  CDA43336  Persicaria amphibia David J. Keil 2011-11-5 31147 San Luis Obispo Oceano. Arroyo Grande Creek at 22nd Street Bridge. Comment
  OBI78426  Persicaria amphibia R. R. LaBelle 1967-10-10 24 San Luis Obispo Laguna Lake Comment
  OBI10878  Persicaria maculosa Robert D. Page 1963-10-26 210 San Luis Obispo In old Beaver pond 3 mi E of routzhan county park along Pozo rd Comment
  OBI30708  Persicaria punctata Julie M. Vanderwier 1979-8-17 s.n. San Luis Obispo Indian Knob tar Sands Comment
  OBI37663  Phacelia brachyloba David J. Keil, Dirk Walters 1980-4-10 13774 San Luis Obispo Ca. 0.5 mi W of jctn with Huerhuero rd on Park Hill rd Comment
  UCSB43000  Phacelia cicutaria var. hispida Taylor, Kathy 1982-4-23 San Luis Obispo Calif. 1 north and west 6 miles past Guadalupe (at cross street 11th Steet) on right side of highway and park on side of the highway; Nipomo Mesa 30 Comment
  CAS-BOT-BC209529  Phacelia ciliata James R. Shevock; Jack Zaninovich 1983-3-30 10221 San Luis Obispo South Coast Ranges. Carrizo Plain, San Andreas Rift Zone between the Caliente and Temblor Ranges. Along Elkhorn Road, east side of Plain, 16.3 miles northwest from California highway 33/166 800 Comment
  OBI81222  Phacelia ciliata David J. Keil, Rhonda Riggins, Richard Pimentel, Melissa Luckow, and Larry Kelly 1988-3-18 20383 San Luis Obispo Ca. halfway between Soda Lake Road and Seven Mile Road along Belmont Trail. 590 Comment
  RSA614980  Phacelia ciliata George K. Helmkamp, E. A. Helmkamp 1998-4-8 3230 San Luis Obispo Soda Lake Road, 6.6 miles NW of junction with CA highway 33 (roughly W of Maricopa) 671 Comment
  RSA790158  Phacelia ciliata Jim R. Shevock, Jack Zaninovich 1983-3-30 10221 San Luis Obispo Carrizo Plain, San Andreas Rift Zone between the Caliente and Temblor Ranges. Along Elkhorn Road, east side of Plain, 16.3 miles northwest from California highway 33/166. 800 Comment
  SEINET11262340  Phacelia ciliata David Keil, Rhonda Riggins; Richard Pimentel; Melissa Luckow; Larry Kelly 1988-3-18 20383 San Luis Obispo Ca. halfway between Soda Lake Road and Seven Mile Road along Belmont Trail.; 0 590 Comment
  UCD147068  Phacelia ciliata Melanie Gogol-Prokurat; R. Boul 2008-3-19 CARR 35 San Luis Obispo San Luis Obispo County: Carrizo Plains, on the south side of the road that runs E-W through American Preserve. 666 Comment
  UCSB57464  Phacelia ciliata Smith, Clifton 1950-3-18 San Luis Obispo Along Soda Lake Road to Carrizo Plain, about 3 miles off Highway 33 (formerly Highway 399) Comment
  OBI13840  Phacelia ciliata var. ciliata Robert F. Hoover 1962-4-1 8546 San Luis Obispo 1 mi S of Nipomo Comment
  CDA11470  Phacelia distans G. F. Hrusa 1995-5-28 12233 San Luis Obispo Black Butte Research Natural Area. SE base of Peak 3. Comment
  OBI19530  Phacelia distans Geraldie Owen 1972-6-21 23 San Luis Obispo los Osos Comment
  OBI30659  Phacelia distans David J. Keil 1981-5-19 14741 San Luis Obispo Indian Knob. Upper slopes of Indian Knob Comment
  SBBG104280  Phacelia distans M. D. Proctor, E. A. Young 1993-3-18 ROB 242 San Luis Obispo Sulphur Spring Rd in middle of Area R; Camp Roberts Comment
  RSA426084  Phacelia distans L. S. Rose 1936-5-6 36233 San Luis Obispo Morro Beach 6 Comment
  SD72105  Phacelia distans Alice Eastwood, John Thomas Howell 1936-5-6 2232 San Luis Obispo Coastal mesa near Morros. Comment
  LA88541  Phacelia douglasii O. H. Kappler; 1945-4-22 785 San Luis Obispo Nipomo, Sanata Maria Valley Comment
  OBI13797  Phacelia douglasii Rimo Bacigalupi, G. T. Robbins & Keith Harrison 1955-5-16 5135 San Luis Obispo Along direct rd from la Panza to Creston, 0.5 mi W of jctn of Commatti cyn rd from Shandon 457 Comment
  RSA426107  Phacelia douglasii Paul C. Silva 1947-3-30 1209 San Luis Obispo 4 miles east of Cuyama Post Office, Cuyama Valley. Comment
  SD125577  Phacelia douglasii var. douglasii Clifton F. Smith 1950-5-4 2754 San Luis Obispo Off Creston-Simmler Road at Fernandez Creek. Comment
  OBI13766  Phacelia grisea Robert F. Hoover 1952-6-10 8241 San Luis Obispo Black Mt, La Panza Range Comment
  OBI55660  Phacelia grisea David J. Keil 1989-6-3 21237 San Luis Obispo Between Atascadero and Morro Bay along Calif hwy 41; 0.4 mi S of hwy at Cerro Alto Campground Comment
  OBI13754  Phacelia malvifolia var. loasifolia Robert F. Hoover 1964-5-14 8869 San Luis Obispo See Cyn Comment
  OBI28432  Phacelia ramosissima Karin Long 1982-4-3 s.n. San Luis Obispo Morro Bay sand spit at the S end of Shark Inlet Comment
  SD41346  Phacelia ramosissima Edith A. Purer 1932-8-28 4844 San Luis Obispo Oceano Comment
  UC1928025  Phacelia ramosissima David Keil, Lawrence M. Kelly, Kathryn Bay, and Frieda Wertman 1988-11-12 21195 San Luis Obispo Near summit along California Route 227 between San Luis Obispo and Arroyo Grande. 182 Comment
  UCR123176  Phacelia ramosissima var. latifolia George K. Helmkamp, E. A. Helmkamp 2002-4-19 7552 San Luis Obispo Central Coast, 3.2 mi north of Piedras Blancas Lighthouse along CA Hwy 1 15 Comment
  UC774476  Phacelia ramosissima var. montereyensis Carl B. Wolf 1941-7-10 10971 San Luis Obispo approx. 2 1/2 air mi e Oso Flaco Lake (or betw. CA Hwy 1 and S.P.R.R.) 30 Comment
  RSA586563  Phacelia ramosissima var. ramosissima F. L. Johnson, E. A. Young 1993-5-25 ROB- 585 San Luis Obispo West Perimeter Road, 3 km south of Nacimiento Road. Comment
  POM258755  Phacelia rattanii Roxana S. Ferris 1939-6-16 9782 San Luis Obispo Jack Creek bridge on Dover Canyon road, Santa Lucia Mountains Comment
  OBI13733  Phacelia suaveolens Robert F. Hoover 1967-4-9 10395 San Luis Obispo Elkhorn Scarp Comment
  OBI58209  Phacelia tanacetifolia David J. Keil 1998-5-11 27180 San Luis Obispo Caliente Range. 4.4 mi from Soda Lake Rd. along Selby Rd. Comment
  POM203589  Phacelia tanacetifolia I. L. Wiggins 1932-3-20 5793 San Luis Obispo Hillside at east end of Cholome Valley. Comment
  SBBG44589  Phacelia viscida L. W. Edge 1972-4-6 116 San Luis Obispo Wittenberg Cyn, Lopez Recreation Area Comment
  OBI59532  Phacelia viscida David J. Keil, with V. L. Holland 1999-5-4 28310 San Luis Obispo Camp Roberts. Sulfur Springs Road, 0.5?1.1 miles w of junction with Deer Trail Road. Comment
  UCR29113  Phalaris aquatica David J. Keil 1981-6-20 14854 San Luis Obispo Central Coast, north of San Simeon, along the channel and banks of Arroyo de la Cruz, east of Hwy 1 (Pacific Coast Hwy) 61 Comment
  OBI3501  Phalaris aquatica Lynch 1971-6-5 62 San Luis Obispo Cal Poly campus. Along stgnant crk leading to E end of Drum Lake Comment
  OBI12608  Pholisma arenarium Robert F. Hoover 1947-7-11 7302 San Luis Obispo S end of Morro Bay Comment
  CDA13608  Pholistoma membranaceum G. F. Hrusa, T. D. Wilfred 1997-3-12 13637 San Luis Obispo Carrizo Plain; About 2 m. S. of Washburn Ranch on W side of Soda Lake Rd. Comment
  UC1928066  Pholistoma membranaceum David Keil, Lisa Andreano, Mike Walgren, and Aaron Sims 2008-4-12 30502 San Luis Obispo Highway 58, just east to ca. 0.25 miles east of San Juan Creek bridge. South side of highway. Comment
  UCD120934  Pholistoma membranaceum G. F. Hrusa 1992-3-24 10358 San Luis Obispo San Luis Obispo County: along Highway 46 right-of-way, approx. 6 miles E of Paso Robles. Comment
  SBBG104724  Phoradendron leucarpum subsp. tomentosum F. L. Johnson Proctor 1993-2-19 ROB 116 San Luis Obispo 1 km W of Boyscout Ford on Boyscout Rd; Camp Roberts Comment
  OBI12420  Phoradendron serotinum subsp. tomentosum Robert F. Hoover 1946-9-14 6387 San Luis Obispo Palo Prieto Cyn Comment
  OBI65748  Phoradendron serotinum subsp. tomentosum D. R. Miller 1994-11-18 1194 -545 San Luis Obispo Pine Mt Region along roadside down from Ridge rd, Coles Rd in Marmalejo Crk drainage Comment
  RSA0019353  Phoradendron villosum Greg Wilvert 2005-5-15 424 San Luis Obispo Southeast half of the Caliente Range: 2 km WSW of Semper Spring. 1261 Comment
  RSA43014  Phoradendron villosum Robert F. Hoover 1946-9-14 6387 San Luis Obispo Palo Prieto Canyon. Comment
  OBI59112  Phragmites australis David J. Keil 1998-9-4 28100 San Luis Obispo Salinas River at Hwy 41 bridge in Atascadero. Comment
  UC1153371  Phyllospadix scouleri R. F. Hoover 1964-7-12 9202 San Luis Obispo near Cambria (in tide-pools); Leffingwell Landing Comment
  SD244801  Physocarpus capitatus David Keil, Matt Ritter 2012-3-29 31235 San Luis Obispo Santa Lucia Mountains: Santa Rita Creek Road southwest of Templeton. Comment
  CDA18002  Pickeringia montana B. Villegas 1999-5-26 s.n. San Luis Obispo South Coast Ranges; TV Tower, approx. 1.0 mile NW Cuesta Pass and Hwy 101, San Luis Obispo Co. Comment
  UC1129874  Pickeringia montana var. montana T. M. Hendrix 1939-5-17 1034 San Luis Obispo 1.3 mi wnw Yeary Ranch (Plot 117); Los Padres National Forest, Branch Mt. Quadrangle Comment
  NY49955  Pinus coulteri I. L. Wiggins 1932-3-22 5833 San Luis Obispo This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  OBI23138  Pinus coulteri Robert J. Rodin 1962-5-8 6668 San Luis Obispo Cuesta Ridge Comment
  RSA498148  Pinus radiata George R. Johnstone 1929-8-13 s.n. San Luis Obispo Cambria. Comment
  CAS-BOT-BC72809  Pinus sabiniana Ira L. Wiggins 1932-3-21 5831 San Luis Obispo Grade at west end of Carisa Plains, on road to Santa Margarita. Comment
  OBI80433  Piperia elegans David J. Keil 1985-6-19 18924 San Luis Obispo Hillside at end of Broderson Road, Los Osos. Costal scrub and chaparral mixture. 380 Comment
  OBI56432  Piperia michaelii David J. Keil 1999-6-22 s.n. San Luis Obispo Montana de Oro State Park. Trl from Horse Camp to Manzanita Trl Comment
  UCR19348  Piptatherum miliaceum John C. Roos, L. Roos 1953-11-29 6043 San Luis Obispo San Luis Obispo. Polytechnic College Campus 91 Comment
  OBI68588  Piptatherum miliaceum Austin P. Griffiths, Gaylord Jones, T. Gaskin, G. Ruggerone 1984-1-15 s.n. San Luis Obispo South Coast Ranges. Township/Range: t30S, R32W, Sect 31 BM: M. Along roadsides midway on Fraser Cyn rd E of Pozo Summit 762 Comment
  OBI11672  Pittosporum undulatum Jack M. Farrell 1955-2-21 11 San Luis Obispo Cal Poly campus Comment
  RSA0020946  Plagiobothrys acanthocarpus Greg Wilvert 2005-4-5 124 San Luis Obispo 1.5 km S of Soda Lake Rd. along Padrones Canyon Rd. 806 Comment
  SBBG118060  Plagiobothrys acanthocarpus K. Foster 1999-3-15 San Luis Obispo Training Area Q, vernal pool Q-1; Camp Roberts Comment
  UC2013265  Plagiobothrys acanthocarpus David Keil with Kathleen A. Keil 1998-4-18 26810 San Luis Obispo Area around Shell Creek both N and S of Shell Creek Road; 1/2 mile from Highway 58. Comment
  OBI20887  Plagiobothrys arizonicus Robert F. Hoover 1947-4-4 6884 San Luis Obispo W side of Cottonwood Pass Comment
  OBI69319  Plagiobothrys bracteatus David J. Keil, with Lynne Dee (Oyler) Althouse 2002-4-22 29811 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
  OBI64107  Plagiobothrys bracteatus David J. Keil 2002-4-4 29794 San Luis Obispo Santa Margarita Ranch. Vicinity of farm pond and associated vernal wetlands north of Santa Margarita and east of US 101. Vicinity of 35.4035 deg. N, 120.6199 deg. W 305 Comment
  UC572559  Plagiobothrys canescens G. T. Nordstrom 1937-4-28 1124 San Luis Obispo 3.7 mi ne Chimney Rock; Adelaida Quad. 335 Comment
  UC2013285  Plagiobothrys collinus var. fulvescens David Keil 1998-4-9 26659 San Luis Obispo USFS trailhead area on Highway 166 NE of Tepusquet Canyon Road. Comment
  UC2013243  Plagiobothrys collinus var. fulvescens David Keil 1998-4-16 26768 San Luis Obispo Los Padres National Forest 0.5 miles NW from junction with road to Navajo Camp on Black Mountain Road. Comment
  SBBG112503  Plagiobothrys myosotoides D. Keil 1985-3-31 18512 San Luis Obispo Calf Cyn area along St Hwy 58, halfway between Park Hill Rd and Hwy 229 Comment
  OBI51414  Plagiobothrys reticulatus Debora Guillot, Jan Barber, Jim Kilber, Sue Weis, Andrew Stackhouse 1993-6-24 1 .63 San Luis Obispo San Simeon State park. E of Washburn campground Comment
  SEINET11261145  Plagiobothrys trachycarpus David Keil 2000-5-27 28760 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
  CAS-BOT-BC227956  Plagiobothrys uncinatus Clare B. Hardham 1960-4-26 6917 San Luis Obispo Franklin Creek, W of Adelaida Comment
  JEPS99224  Plagiobothrys uncinatus Clare B. Hardham 1960-4-26 6917 San Luis Obispo W of Adelaida (Franklin Creek) Comment
  RSA0043085  Plantago LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-30 6380 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
  OBI33286  Plantago erecta David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel, and Richard Pimentel 1982-3-13 15705 San Luis Obispo Pennington Crk Biological reserve, W of San Luis Obispo Comment
  OBI33584  Plantago erecta Melissa Luckow, Jerry Rendon 1980-4-4 2 San Luis Obispo Poly Cyn, near arch to the cyn. About 30 ft above rd Comment
  OBI72353  Plantago erecta Anthony Baniaga, Elizabeth Baniaga 2010-4-23 148 San Luis Obispo Black Lake Cyn; Callender property; adj to hwy 101 18 Comment
  UCSB12193  Plantago erecta Breedlove, Dennis 1962-3-24 San Luis Obispo 4.9 miles northeast of U.S. 466 at Cholame on State 41 near summit of Cottonwood Pass; Diablo Range 548 Comment
  SBBG93689  Plantago erecta S. A. Junak, D. A. Young 1989-4-27 3986 San Luis Obispo Cuesta Ridge, along USFS Rd 29S11.3 at E boundary sign for the Cuesta Ridge Botanical Area, ca. 3.0 mi W of Hwy 101 749 Comment
  OBI11642  Plantago lanceolata Barbara Robinson 1967-11-27 12 San Luis Obispo West Rd back entrance to Calif Stat Polytechnic College campus, San luis Obispo 137 Comment
  OBI31712  Plantago lanceolata Turnquist, Smeltzer 1982-5-1 85 San Luis Obispo On the NE side of Laguna lake Park Comment
  OBI32178  Plantago major David J. Keil, Eric Wise 1981-5-25 14800 San Luis Obispo N of San Simeon in vicinity of Arroyo de la Cruz. Near Hwy 1 Comment
  OBI36852  Plantago major Eric Wise 1981-9-17 1106 San Luis Obispo 0.9 mi N of Santa Margarita on El Camino Real, across from 76 Plant Comment
  OBI11630  Plantago maritima Robert F. Hoover 1947-8-13 7371 San Luis Obispo S of Hazard Cyn Comment
  RSA201544  Plantago maritima Robert F. Hoover 1947-8-13 7371 San Luis Obispo South of Hazard Canyon. Comment
  RSA43210  Plantago maritima Robert F. Hoover 1947-5-23 7189 San Luis Obispo Coast S of Hagard Canyon. Comment
  OBI30695  Platanus racemosa Julie M. Vanderweir 1979-8-26 198 San Luis Obispo Indian Knob Tar Sands 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
  LA105483  Platystemon californicus Barry A. Prigge; 1989-4-19 8628 San Luis Obispo Santa Lucia Mountains, San Bernardo Creek, ca. 2.8 mi. up San Bernardo Creek Road from State Highway 1 106 Comment
  UC1126471  Platystemon californicus N. H. French 1937-4-3 928 San Luis Obispo 10 m e Cuyama Ranch; Santa Ynez Quad. Comment
  UC130951  Platystemon californicus Katharine Brandegee May 1909 San Luis Obispo near San Luis Obispo Chorro (Chorro); , Chorro Comment
  UC638988  Platystemon californicus B. E. and H. J. Miossi 1940-4-7 251 San Luis Obispo along Lopez Canyon Road three mi above Arroyo Grade County Park; Santa Lucia Mountains, above Arroyo Grade County Park Comment
  OBI70211  Plectritis ciliosa David J. Keil 2009-1 30579 San Luis Obispo San Luis Range. San Luis Obispo's Irish Hills Open Space. Comment
  SEINET7063672  Plectritis ciliosa subsp. insignis A. G. Vestal 1947-4-16 s.n. San Luis Obispo About 13.7 miles east of Arroyo Grande on Huasna Road. UTM Zone 10, 739708mE, 3890847mN. (WGS84/NAD83). 256 Comment
  RSA67524  Plectritis ciliosa subsp. insignis Philip A. Munz 1951-4-13 16320 San Luis Obispo Grade on Hwy 178. Above La Panza Public Camp. La Panza Range. 701 Comment
  SEINET780307  Plectritis congesta Dirk Walters 1980-4-26 13827 San Luis Obispo Along Town Creek near Lime Mountain Mine, west of Paso Robles. Comment
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Apr 9 2016
  SBBG122324  Plectritis congesta D. Keil, V. L. Holland 2001-4-7 29253 San Luis Obispo W outskirts of Atascadero; 3-F Meadows, accessed from San Marcos Rd 365 Comment
  UCSB54168  Poa bulbosa Costley, M. 1985-4-19 San Luis Obispo Nipomo Mesa in the stabilized back dune 30 Comment
  RSA0040440  Poa bulbosa subsp. vivipara LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-29 6310 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
  OBI78935  Poa howellii David J. Keil 1979-5-13 13074 San Luis Obispo Along Cuesta Ridge Road about 3 miles below Cuesta Botanical Area. Comment
  OBI22149  Poa pratensis Robert F. Hoover 1948-5-5 7519 San Luis Obispo Oak Park district Comment
  OBI2553  Poa pratensis Larry E. Brown 1970-3-25 1758 San Luis Obispo Cal Poly Campus in San Luis Obispo 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
  UCD90303  Poa secunda A. A. Beetle 1942-4-15 3036 San Luis Obispo San Luis Obispo County: Southwestern part of county. Santa Maria River, near Taylor Spring. Comment
  JEPS75050  Poa secunda subsp. secunda W. L. Jepson 1927-4-26 12018 San Luis Obispo Carizo Plain 670 Comment
  OBI45295  Poa secunda subsp. secunda David J. Keil 1985-4-6 18529 San Luis Obispo Vicinity of Arroyo de la Cruz, N of San Simeon. burned slope on ridge S of the Arroyo, SW of cutoff oxbow area Comment
  RSA201664  Pogogyne douglasii Robert F. Hoover 1948-9-9 7555 San Luis Obispo 1.8 mile north of Arroyo de la Cruz on State Highway 1 Comment
  OBI70734  Pogogyne douglasii D. R. Miller, E. A. Appel 1968-7-26 708 .869 San Luis Obispo Along bluff edge 2.6 mi N of Arroyo de la Cruz bridge Comment
  UC454282  Polygonum aviculare subsp. aviculare I. J. Condit 1909-10-15 San Luis Obispo Cal Polytechnic School grounds Comment
  OBI40721  Polygonum aviculare subsp. depressum David J. Keil, Dirk Walters 1986-5-2 19352 San Luis Obispo Santa Lucia Mts just N of San Luis Obispo in Reservoir Cyn 305 Comment
  RSA190701  Polygonum cuspidatum T. C. Fuller 1967-5-11 15819 San Luis Obispo Opposite stop sign of offramp from the N bound lanes of the freeway, E side of El Camino Real, 0.1 mile S of Santa Ysabel Ave. Atascadero Comment
  CAS-BOT-BC71994  Polypodium californicum M. M. Miles s.n. San Luis Obispo San Luis Obispo Comment
  OBI83570  Polypodium californicum Kelsey Russell 2017-2-15 2 San Luis Obispo San Luis Obispo, Poly Canyon Yucca Trail 240 Comment
  UC1296371  Polypodium californicum R. F. Hoover 1947-1-27 6604 San Luis Obispo 6 mi s San Luis Obispo Comment
  OBI79266  Polypodium calirhiza David J. Keil, with Matt Ritter 2012-3-29 31237 San Luis Obispo Santa Lucia Mountains. Santa Rita Creek Road southwest of Templeton Comment
  UCD91003  Polypogon elongatus Malcom A. Nobs; S. Galen Smith 1948-9-9 665 San Luis Obispo San Luis Obispo County: Dune Lakes Gun Club, about 4 miles south of Pismo Beach. Comment
  RSA0021826  Polypogon imberbis David J. Keil 2012-7-27 31486 San Luis Obispo Oceano. Area of dunes and marsh southwest of Oceano Airport between Maui Circle and Laguna Drive. 2 Comment
  OBI57106  Polypogon interruptus Danielle DeRome 1994-6-4 649461 A San Luis Obispo Collected in riparian ara adj to Poly Cyn rd, just uphill (N) of the Poly Cyn landfill turn off, on the slope just above Brizzolara Crk Comment
  LA105625  Polypogon monspeliensis Barry A. Prigge; 8979 San Luis Obispo Santa Lucia Mountains, San Bernardo Creek, from 0.6 to 1.1 mi. N of State Highway 1; ca. 2 mi. E of Morro Bay 30 Comment
  OBI30706  Polypogon monspeliensis Julie M. Vanderwier 1980-11-10 s.n. San Luis Obispo Indian Knob Tar Sands Comment
  OBI48037  Polypogon monspeliensis David J. Keil 1981-5-16 14683 San Luis Obispo Area around Arroyo de la Cruz near its crossing of Calif Hwy 1 Comment
  OBI72346  Polypogon monspeliensis Anthony Baniaga 2010-5-15 182 San Luis Obispo Black Lake Cyn; Choin Property 39 Comment
  CAS-BOT-BC237334  Polypogon monspeliensis Ernest C. Twisselmann 1958-10-24 4885 San Luis Obispo Temblor Range and the Western San Joaquin Valley. San Andreas Fault at the summit of Palo Prieta Canyon (Spring Lake) 701 Comment
  OBI32308  Polypogon viridis David J. Keil 1981-6-20 14890 San Luis Obispo N of San Simeon along the channel and banks of Arroyo de la Cruz E of Hwy 1 Comment
  CAS-BOT-BC102651  Populus fremontii C. B. Wolf 1931-8-16 2316 San Luis Obispo Salinas River, 5 miles north of Paso Robles 198 Comment
  OBI31092  Populus trichocarpa Julie M. Vanderweir 1980-11-10 s.n. San Luis Obispo Indian Knob Tar Sands Comment
  OBI53406  Populus trichocarpa Arthur W. Hazebrook 1993-3-23 226 San Luis Obispo Nipomo dunes Complex, riparian corridor along northern base of Big Coreopsis Hill Comment
  RSA769860  Potamogeton nodosus David J. Keil 2000-5-25 28742 San Luis Obispo Santa Margarita Ranch, About 4.2 miles south of railroad crossing (in Santa Margarita) on Pozo road Comment
  JEPS18936  Potamogeton pectinatus Rimo Bacigalupi with Dr. and Mrs Robt. M. Page, R. S. Ferris, and R. W. Holm 1953-7-25 4329 San Luis Obispo about 5 mi s of Oceano; Oso Flaco Lake Comment
  OBI36971  Potentilla anserina Eric Wise 1982-5-1 1445 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  HSC91568  Potentilla anserina subsp. pacifica Susan H. Bicknell 1989-6-13 San Luis Obispo Montana de Oro. Comment
  LA212323  Potentilla anserina subsp. pacifica A. L. Haines; 1951-4-29 5134 San Luis Obispo Osa Flaca Lake. 61 Comment
  RSA175189  Potentilla anserina var. grandis Robert F. Thorne, Percy C. Everett 1962-10-3 31398 San Luis Obispo Ditch near Oso Flaco Lake 8 Comment
  RSA701201  Potentilla lindleyi Keith E. Hoffmaster 1935-7-1 s.n. San Luis Obispo 6 miles south of Arroyo Grande. Comment
  OBI32218  Poterium sanguisorba David J. Keil, V. L. Holland, Rhonda Riggins, and Melissa Luckow 1982-4-8 15868 San Luis Obispo N of San Simeon on ridge along N side of Arroyo de la Cruz Comment
  OBI30574  Prunella vulgaris Bernie Smith 1966-6-30 171 San Luis Obispo 22N-7e-34 Comment
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Dec 31 2017
  OBI10075  Prunus amygdalus Jay B. Hunt 1955-11-22 s.n. San Luis Obispo Cal Poly campus, deciduous orchard Comment
  OBI10045  Prunus fasciculata var. punctata Robert F. Hoover 1948-3-26 7432 San Luis Obispo Sunnyside School ner Baywood Park Comment
  CDA19980  Prunus ilicifolia J. Hunter May 1994 s.n. San Luis Obispo Black Butte Research Natural Area; Los Padres National Forest, Cuesta Ridge East. 0 Comment
  OBI31024  Prunus ilicifolia Julie M. Vanderweir 1979-4-13 133 San Luis Obispo Indian Knob Tar Sands Comment
  UC1296076  Prunus virginiana var. demissa R. F. Hoover 1953-5-16 8308 San Luis Obispo Temblor Range, Rock Spring Canyon Rock Spring Canyon; Temblor Range, Rock Spring Canyon Comment
  SBBG35793  Pseudognaphalium biolettii C. B. Hardham 1961-4-14 7368 a San Luis Obispo Pinus radiata woods, Cambria Comment
  OBI33625  Pseudognaphalium californicum B. W. & T. W., T. W. 1967-5-13 s.n. San Luis Obispo Lopez Cyn Comment
  OBI72009  Pseudognaphalium californicum Michael Walgren 2010-2-1 74 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See Cyn rd 335 Comment
  UC1118510  Pseudognaphalium californicum H. A. Jensen 1930-7-6 27 San Luis Obispo mouth San Carpoforo Creek; Cape San Martin Quad. Comment
  CAS-BOT-BC356842  Pseudognaphalium californicum R. F. Hoover 1966-7-13 9896 San Luis Obispo 5 1/2 mi. se. of Santa Margarita. Sandstone hill west of Salinas River opposite Pilitas Creek Comment
  SBBG93663  Pseudognaphalium californicum T. J. Ayers with S. Junak, D. Young 1989-4-27 719 San Luis Obispo Los Padres National Forest, at Botanical Area western boundary along rd Comment
  OBI16430  Pseudognaphalium luteoalbum Robert F. Hoover 1946-10-2 6455 San Luis Obispo C.P.S. campus, San Luis Obispo Comment
  UC1745589  Pseudognaphalium luteoalbum Annetta M. Carter, Ethel Crum, Dwight Crum 1940-4-7 1511 San Luis Obispo Bitterwater Valley road SE of Cholame; ; Lake along Bitterwater Valley road SE of Cholame on road to Simmler. Comment
  CAS-BOT-BC357372  Pseudognaphalium microcephalum R. F. Hoover 1966-7-13 9897 San Luis Obispo 5 1/2 mi. se. of Santa Margarita. Sandstone hill west of Salinas River opposite Pilitas Creek Comment
  SBBG104847  Pseudognaphalium stramineum F. L. Johnson, E. A. Young 1993-5-25 ROB 615 San Luis Obispo ca. 0.5 km SE of Deer Trail Rd on W Perimeter Rd; Camp Roberts Comment
  OBI73229  Psilocarphus chilensis David J. Keil, with Jason Dart and Meg Perry 2010-4-27 30734 San Luis Obispo Carrizo Plain Southwest of Carissa Plains Elementary School, south of Highway 58. Comment
  SBBG93802  Psilocarphus tenellus S. A. Junak 1990-5-1 4265 San Luis Obispo N edge of Cuesta Ridge Botanical Area, powerline access rd which intersects Tassajera Crk Rd ca. 2.4 mi W of Hwy 101, ca. 1.1 rd mi S of Tassajera Crk Rd 536 Comment
  UC1927844  Psilocarphus tenellus David Keil 1998-4-7 26588 San Luis Obispo S of Creston on Hwy 229, 1.4 mi. S of Rocky Canyon Rd. 384 Comment
  SBBG123047  Psilocarphus tenellus D. Keil 1998-4-20 26866 San Luis Obispo Nacimiento Lake Rd, 1.5 mi N of gateway drive Comment
  UCR97554  Psoralea physodes George K. Helmkamp 1997-3-8 1443 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
  CAS-BOT-BC72647  Pteridium aquilinum R. F. Hoover 1964-6-12 9070 San Luis Obispo Near Rocky Butte Fire Lookout Comment
  SD249270  Pterostegia drymarioides David Keil, Kathleen Keil 1990-4-7 21365 San Luis Obispo 3 miles from Highway 58 along Hwy 229 wough of Creston. 365 Comment
  OBI14327  Quercus X alvordiana Jim Heaston 1961-11-12 401 San Luis Obispo La Panza Comment
  OBI31813  Quercus agrifolia var. agrifolia Turnquist, Smeltzer 1982-5-1 70 San Luis Obispo Laguna Lake Park, SLO Comment
  OBI3579  Quercus agrifolia var. agrifolia Mary Kidd 1971-8-26 213 San Luis Obispo Cal Poly campus, west side Comment
  OBI36124  Quercus agrifolia var. agrifolia Walter F. Chesbro 1978-5-6 92 San Luis Obispo Along road near intersection of hwy 101 and Hwy 58 Comment
  UC1135547  Quercus berberidifolia G. T. Nordstrom 1937-5-11 1218 San Luis Obispo 2.3 mi se Asuncion School; Adelaida Quad. 381 Comment
  OBI58102  Quercus berberidifolia Austin P. Griffiths, Paul C. Hertel 1981-10-25 s.n. San Luis Obispo About 2 mi along unpaved roadway on S facing crest of East Cuesta Ridge 550 Comment
  OBI46086  Quercus douglasii Lynne Dee Oyler 1964-3-21 346 San Luis Obispo Agua Escondido. USFS blue oak study area Comment
  UC1135428  Quercus douglasii A. E. Wieslander 1936-8-27 664 San Luis Obispo 2 mi w La Panza; Santa Barbara National Forest, La Panza Quad. 731 Comment
  OBI28097  Quercus douglasii Carrie Wilson, Allison Berry 1982-4-24 5 San Luis Obispo Approx 6.5 mi NW of Paso Robles on CA rte G14 0.5 mi inside entrance to Devil's Gorge campgd. Comment
  SEINET12029203  Quercus douglasii J. M. Tucker 1947-1 1639 -B San Luis Obispo 0.25mi S of Hwy-466,and 1mi E of Summit of Polonio Pass Comment
  CDA19976  Quercus durata J. Hunter May 1994 s.n. San Luis Obispo Black Butte Research Natural Area; Los Padres National Forest, Cuesta Ridge East 0 Comment
  UCD102845  Quercus durata Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-3-29 s.n. San Luis Obispo San Luis Obispo County: Between San Luis Obispo and Atascadero. Cuesta Ridge Botanical Area. 690 Comment
  SBBG93762  Quercus durata var. durata S. A. Junak, W. S. Davis 1990-5-17 4351 San Luis Obispo near N edge of Cuesta Ridge Botanical Area, private dirt rd on Ames property at 8770 Tassajera Crk Rd, ca. 1.8 mi W of US Hwy 101 and 0.3 mi S of Tassajera Crk Rd 493 Comment
  OBI5346  Quercus durata var. durata Robert J. Rodin 1969-7-4 8355 San Luis Obispo Comment
  SBBG84001  Quercus durata var. durata R. Gankin 1969-9-21 1314 San Luis Obispo Prefumo Cyn Rd off Los Osos Rd, SW of San Luis Obispo Comment
  UC1276292  Quercus garryana var. semota R. F. Hoover 1957-8-28 1957 San Luis Obispo between Rocky Butte and Pine Mt. (above San Simeon) Comment
  UC993246  Quercus john-tuckeri J. M. Tucker 1948-10-2 1886 San Luis Obispo ca 2 mi ne (airline) Caliente Mountain (ca 0.5 mi above headquarters of the Seaback Ranch, se San Luis Obispo County) Comment
  UC993248  Quercus john-tuckeri J. M. Tucker 1948-10-2 1886 San Luis Obispo ca 2 mi ne (airline) Caliente Mountain (ca 0.5 mi above headquarters of the Seaback Ranch, se San Luis Obispo County) Comment
  UC993253  Quercus john-tuckeri J. M. Tucker 1948-10-2 1886 San Luis Obispo ca 2 mi ne (airline) Caliente Mountain (ca 0.5 mi above headquarters of the Seaback Ranch, se San Luis Obispo County) Comment
  UC1135728  Quercus lobata H. C. Lee 1936-5-14 603 San Luis Obispo 2.75 mi ese Huasna School; Nipomo Quad. 228 Comment
  OBI14237  Quercus palmeri Robert F. Hoover 1964-11-15 9326 San Luis Obispo Santa Lucia Range; 4 mi W of Paso Robles on Peachy Cyn rd Comment
  CAS-BOT-BC250916  Quercus palmeri P. S. Manos 1987-10-20 535 San Luis Obispo Peachy Canyon Rd., 2.5 mi W of Paso Robles 400 Comment
  SBBG117876  Rafinesquia californica M. Petroelje, J. Clark 1998-5-19 San Luis Obispo ca. 4 mi N of St Hwy 1, above Alpha Range and Whiskey Springs; Camp San Luis Obispo; LCTA Plot 307, 474 Comment
  CAS-BOT-BC362542  Rafinesquia californica Clare B. Hardham 1956-5-11 652 San Luis Obispo Streambed of Huero Huero [Huerhuero] near Geneseo Comment
  UC1927724  Rafinesquia californica D. R. Miller 1994-5-27 594 -386 San Luis Obispo near main gate to D. R. Miller property, Tobacco creek drainage, E slope of Pine Mountain 700 Comment
  OBI80088  Ranunculus David J. Keil, Nancy Lagrille, Dieter Wilken, and Mark Skinner 2012-8-28 31512 San Luis Obispo Oceano Dunes State Vehicular Recreation Area. Foredunes and lagoon in vicinity of mouth of Arroyo Grande Creek 4 Comment
  OBI58594  Ranunculus aquatilis var. diffusus David J. Keil 1998-8-19 27978 San Luis Obispo Red Hill Rd., 0.3 miles from Hwy 58 and north down steep slope to small reservoir. Comment
  UC1126162  Ranunculus californicus N. K. Carlson 1936-3-19 163 San Luis Obispo 2.2 mi ne Los Berros (Plot 6); Arroyo Grande Quadrangle Comment
  OBI79610  Ranunculus hebecarpus David J. Keil, Matt Ritter, Mike Simpson, David Chipping, Heath Bartosh, & Taylor Crow 2013-5-2 31616 San Luis Obispo Avenales Ranch, south of Pozo. Upper Salinas River valley along Avenales Ranch Road 530 Comment
  OBI51966  Raphanus sativus Larry Kelly, David J. Keil 1988-10-1 296 San Luis Obispo Pismo marsh between Pismo State Beach campground and Grand Ave Comment
  CAS-BOT-BC427527  Reseda alba Roxana S. Ferris 1953-7-24 12690 San Luis Obispo Oso Flaco Lake, ca. 3 mi. W of State Highway 1 Comment
  RSA304927  Rhamnus californica James R. Shevock 1971-4-4 877 San Luis Obispo Coon Creek, Mtn de Oro. 27 Comment
  OBI8167  Rhamnus crocea Lynne D. Althouse 1977-5-22 91 San Luis Obispo Wolfe's horse ranch near San Luis High School Comment
  RSA121751  Rhamnus tomentella subsp. tomentella A. D. Gifford 1937-6-4 824 San Luis Obispo 3.1 miles N of Pozo. 503 Comment
  OBI57020  Rhus aromatica G. F. Hrusa, D. Ragan 1997-8-10 14079 San Luis Obispo Los Padres National Forest; upper Water Canyon on E side of Cuesta Ridge SE of Cuesta Pass. Comment
  OBI80282  Rhus ovata Coco Dowd, Ryan Payne, Adam Lucero 2014-11-13 1 San Luis Obispo East of the Cal Poly Campus, on the hill above the eastern parking lot that parallels Truckee Rd. Roughly 5m west of the large concrete water storage structure. Comment
  SBBG44739  Ribes divaricatum var. pubiflorum L. W. Edge 1972-4-20 126 San Luis Obispo near Black Lake, Dune Lakes Comment
  OBI14051  Ribes malvaceum Robert F. Hoover 1964-3-14 8650 San Luis Obispo Head of Lopez Cyn Comment
  UC1296139  Ribes malvaceum R. F. Hoover 1964-3-14 8650 San Luis Obispo Head of Lopez Canyon Lopez Canyon Comment
  UC608278  Ribes malvaceum C. A. Graham 1938-4-26 382 San Luis Obispo 1 1/4 mi nw Lynch Ranch (s of Pleyto); Bradley Quadrangle 411 Comment
  RSA0021787  Ribes menziesii Clare B. Hardham 1960-3-14 5214 San Luis Obispo V2 Ranch. York Mt., west of Templeton. 488 Comment
  UC608538  Ribes quercetorum C. A. Graham 1938-4-8 292 San Luis Obispo 0.6 mi se Bee Rock (Bee Rock Canyon, a tributary of San Antonio River, sw of Bradley); Bradley Quadrangle 48 Comment
  CAS-BOT-BC144724  Ribes sanguineum var. glutinosum R. F. Hoover 1965-9-7 9527 San Luis Obispo Santa Rita Creek west of Templeton Comment
  OBI25575  Ribes sanguineum var. glutinosum David J. Keil 1981-5-16 14674 San Luis Obispo Area around Arroyo de la Cruz near its crossing of Calif hwy 1 Comment
  OBI59702  Ribes sanguineum var. glutinosum David J. Keil, with V. L. Holland 2001-5-29 29517 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
  CDA25577  Ribes speciosum T. Kono, S. Ayoub 1979-2-14 San Luis Obispo South of Morro Bay, near Los Osos. 0 Comment
  OBI14015  Ribes speciosum Robert F. Hoover 1947-1-3 6580 San Luis Obispo Perry Creek SE of Cambria Comment
  UC72987  Ribes speciosum Mrs. R. W. Summers San Luis Obispo summit San Luis Mt. 1500 Comment
  LA212436  Ribes speciosum W. M Arbaugh; 1968-3-20 160 San Luis Obispo Upper Sea Canyon, Coastal Hills. Comment
  RSA0019664  Ribes speciosum Carl B. Wolf 1929-4-13 3462 San Luis Obispo North base of Cuesta Grade. 427 Comment
  OBI14360  Ricinus communis Jesse Arnold 1964-2-25 24 San Luis Obispo Cal Poly campus. W of Cal Poly Ad. Bldg., by S.P.R.r. Comment
  SBBG8715  Rigiopappus leptocladus C. B. Hardham 1957-4-25 1728 San Luis Obispo Cypress Mtn Comment
  UCR28903  Rigiopappus leptocladus David J. Keil, Melissa Luckow, R. A. Pimentel, R. Riggins-Pimentel 1981-4-24 14525 San Luis Obispo S of Shandon, at junction of Shell Creek Road and Calif. Hwy 58 423 Comment
  SBBG88434  Rorippa palustris var. occidentalis C. F. Smith 1968-7-30 10109 San Luis Obispo behind dunes at Oceano State Park Comment
  OBI57096  Rosa spithamea G. F. Hrusa 1995-5-29 12323 San Luis Obispo Cuesta Ridge West, along access road on Ridge NW of Cuesta Pass 550 Comment
  CAS-BOT-BC148212  Rosa spithamea R. F. Hoover 1946-8-26 6348 San Luis Obispo Near Sunnyside School, Osos Valley Comment
  OBI36301  Rubus armeniacus Julie McCauley 1980-7-30 5 San Luis Obispo Cambria on lodge Hill; Ardath and Pineridge Comment
  CAS-BOT-BC156982  Rubus ursinus Alice Eastwood 1926-4-28 13642 San Luis Obispo Cambria Comment
  CAS-BOT-BC156992  Rubus ursinus Alice Eastwood 1927-4-7 14281 San Luis Obispo Morro, San Luis Obispo Comment
  OBI9977  Rubus ursinus R. F. Hoover 1948-5-3 7516 San Luis Obispo See Cyn Comment
  SEINET2444515  Rubus ursinus Eric Luning 2003-4-15 4 San Luis Obispo Reservoir Canyon Trail. Comment
  OBI10848  Rumex acetosella Robert F. Hoover 1964-6-11 9036 San Luis Obispo Just S of Hazard Cyn Comment
  OBI10846  Rumex conglomeratus Robert F. Hoover 1946-10-20 6510 San Luis Obispo Price Cyn Comment
  OBI65941  Rumex conglomeratus Wendy Thackery, Stacey Smith and Paul Corsi 2003-7-8 30 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 53 Comment
  CAS-BOT-BC421560  Rumex crassus Clare B. Hardham 1957-11-2 2706 San Luis Obispo Santa Lucia Mountains. Mouth of Old Creek Comment
  OBI36992  Rumex crispus Eric Wise 1981-7-1 890 San Luis Obispo Oso Flaco Lake Comment
  OBI31557  Rumex crispus Joy Nishida 1982-6-5 434 San Luis Obispo American Cyn. 1 mi S of campground along the stream Comment
  OBI61085  Rumex crispus P. A. Holden 1968-10-12 609 San Luis Obispo 5 mi E of Santa Margarita on hwy 58 near Parkhill Comment
  OBI4056  Rumex fueginus Lyda Edge 1971-11-2 s.n. San Luis Obispo N of Oso Flaco Lake Comment
  OBI81447  Rumex fueginus Quinn Williams 2015-11-4 3 San Luis Obispo Morro Creek Outlet Beach Strand Comment
  CAS-BOT-BC433988  Rumex salicifolius Ernest C. Twisselmann 1955-10-1 2431 San Luis Obispo Southwest end of Morro Bay 0 Comment
  CAS-BOT-BC433989  Rumex salicifolius Ernest C. Twisselmann 1955-10-1 2431 San Luis Obispo Southwest end of Morro Bay 0 Comment
  OBI72224  Rumex salicifolius M. Wetherwax & E. L. Painter, E. L. Painter 2002-9-4 CR- 367 San Luis Obispo Camp Roberts. In Sulphur Spring Crk; close to pipeline crossing 250 Comment
  RSA613936  Rupertia physodes George K. Helmkamp 1997-3-8 1443 San Luis Obispo SE of Los Osos. Swift Ranch, starting ca. 2 mi. S of Los Osos Valley Rd on Clark Valley Rd. 107 Comment
  SBBG108047  Rupertia physodes C. B. Hardham 1957-5-30 2096 San Luis Obispo between Franklin and Las Tablas Crks Comment
  OBI81090  Ruppia cirrhosa Michael Walgren 2015-10-9 441 San Luis Obispo mouth of San Geronimo Creek 0 Comment
  OBI73417  Salicornia pacifica David J. Keil 2010-6-4 30852 San Luis Obispo Morro Bay State Park. Vicinity of Quarry Trail trailhead parking area Comment
  CAS-BOT-BC103276  Salix bonplandiana Ernest C. Twisselmann 1954-3-1 858 San Luis Obispo Palo Prieta Canyon: 5 1/2 miles south of Cholame Comment
  RSA586017  Salix bonplandiana F. L. Johnson, E. A. Young 1993-5-23 ROB- 526 San Luis Obispo Twin Bridges on Boyscout Road Comment
  UC1925822  Salix breweri David Keil 1999-5-3 28306 San Luis Obispo Outskirts of San Luis Obispo. Hills above end of Lizzie Street Comment
  OBI80468  Salix laevigata David J. Keil 1992-1 23019 San Luis Obispo Laguna Lake City Park. Along Madonna road in grassy strip with lawn 170 Comment
  POM203770  Salix laevigata I. L. Wiggins 1932-3-21 5817 San Luis Obispo Bitterwater Valley, between Cholame and Annette. Comment
  SBBG117540  Salix laevigata E. Painter, M. Wetherwax 1999-11-15 SLO 21 San Luis Obispo Chorro Crk, N of Colusa Ave; Camp San Luis Obispo 100 Comment
  SBBG38613  Salix laevigata E. C. Twisselmann 1969-4-24 15171 San Luis Obispo Sulphur Spring Cyn, Santa Ysabel Ranch, 5 mi S of Paso Robles 213 Comment
  OBI36924  Salix lasiandra Eric Wise 1983-5-3 1704 a San Luis Obispo Los Osos Valley Rd and Turri rd in drainage ditch Comment
  OBI37207  Salix lasiolepis Eric Wise 1983-3-6 1680 San Luis Obispo Santa Margarita Lake: man-made reservoir in Salinas river channel Comment
  OBI9817  Salix lasiolepis Robert F. Hoover 1947-3-21 6705 San Luis Obispo Cal Poly campus, San Luis Obispo Comment
  OBI9821  Salix lasiolepis Robert F. Hoover 1947-3-19 6700 San Luis Obispo Oak Park District Comment
  SBBG34924  Salix lasiolepis Mrs. R. W. Summers 1882-1-23 San Luis Obispo San Luis Obispo County [no specific locality] Comment
  UCR97568  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 1997-3-8 1436 San Luis Obispo NE of Los Osos. 4.5 mi. north of Los Osos Valley Rd on Turri Rd. 30 Comment
  OBI37269  Salix lasiolepis Eric Wise 1983-2-17 1649 San Luis Obispo Noyes Rd, Arroyo Grande Comment
  OBI37317  Salix lasiolepis Eric Wise 1983-3-10 1695 San Luis Obispo Sweet Springs marsh Comment
  CAS-BOT-BC107238  Salix lasiolepis var. bigelovii Ernest C. Twisselmann 1965-11-2 11690 San Luis Obispo Arroyo de la Cruz, between Highway 1 and the ocean 6 Comment
  CAS-BOT-BC107239  Salix lasiolepis var. bigelovii John Thomas Howell 1964-6-29 40754 San Luis Obispo In canyon between Cambria and Protestant Cemetery Comment
  CAS-BOT-BC124836  Salix lasiolepis var. lasiolepis Clare B. Hardham 1957-4-14 1655 San Luis Obispo Headwaters Old Creek - Santa Rita Rd. Comment
  CDA17109  Salsola australis G. F. Hrusa, P. Akers 2003-10-13 16179 San Luis Obispo Cuyama Valley; Along Hwy 166 in Cuyama Cyn, at first influence of coastal air. 273 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
  CAS-BOT-BC180658  Salsola tragus T. C. Fuller 1965-10-7 14180 San Luis Obispo S. side of Hwy 466 to Paso Robles, 1.3 mi. W. of Shandon 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
  VVC3384  Salvia carduacea Tim Thomas 1973-4-18 7 San Luis Obispo Inner South Coast Range, Elkhorn Plains. 732 Comment
  OBI32792  Salvia carduacea David J. Keil, Julie Vanderwier and Glenda Winn 1978-1 12709 San Luis Obispo 8.5 mi W of soda Lake rd along Calif Rte 58 Comment
  UC665585  Salvia carduacea Ethel Crum 1940-4-7 2101 San Luis Obispo 2.4 mi se Cholame (Palo Prieto Canyon, n end of Temblor Range); Inner South Coast Ranges, Temblor Range, Palo Prieto Canyon 426 Comment
  UC573480  Salvia leucophylla A. D. Gifford 1936-5-2 719 San Luis Obispo 4 mi sw Adams Ranch; Nipomo Quad. 228 Comment
  OBI68367  Salvia leucophylla David J. Keil, with Kathleen A. Keil 2003-6-15 30272 San Luis Obispo Cerro San Luis Obispo. Plants collected on upper slopes near road blazed to top of mountain in 1970s Comment
  CAS-BOT-BC230013  Salvia mellifera Alice Eastwood 1927-4-7 14270 San Luis Obispo Morro Comment
  RSA586589  Salvia mellifera F. L. Johnson, E. A. Young 1993-5-26 ROB- 630 San Luis Obispo Whiskey Spring Comment
  SBBG96718  Salvia mellifera D. A. Young, S. A. Junak, T. J. Ayers 1989-4-27 1966 San Luis Obispo upper end of Chaparral Rd near E end of Cuesta Ridge Botanical Area, below TV antennas Comment
  OBI3911  Salvia mellifera Patricia Wiese 1971-5-23 59 San Luis Obispo Along fireroads in Cuesta Ridge botanical Area; 2 mi from Cuesta Pass 762 Comment
  OBI70124  Salvia mellifera Bernard Miossi 1939-4-8 62 San Luis Obispo 1 mi N of San Luis Obispo and 1/2 mi N W of San Luis Creek Comment
  RSA121505  Salvia mellifera B. Bolt 1936-3-4 596 San Luis Obispo 1/4 mile S. of mouth of Osos Creek Comment
  CAS-BOT-BC225189  Salvia sonomensis Mary Strong Clemens 1921-10-3 s.n. San Luis Obispo Santa Lucia Pk. Comment
  UC1124839  Salvia sonomensis H. C. Lee 1936-5-22 623 San Luis Obispo 1.25 mi se Pine Ridge, Cowell Ranch; Santa Barbara National Forest, Nipomo Quad. 960 Comment
  CAS-BOT-BC225188  Salvia sonomensis Clare B. Hardham 1956-4-24 491 San Luis Obispo D. Thomas Ranch, Fork Mt., Santa Lucia Mountains Comment
  RSA0034923  Salvia spathacea W. M. Arbaugh 1968-4-9 231 San Luis Obispo San Luis Obispo. Montana de Oro. Comment
  RSA70726  Salvia spathacea Marcus E. Jones 1882-5-8 3242 San Luis Obispo San Luis Obispo. Comment
  UC1125366  Sambucus mexicana H. C. Lee 1937-5-8 893 San Luis Obispo Adelaida Road Paso Robles Quadrangle Comment
  RSA586433  Sambucus mexicana D. A. Young, F. L. Johnson 1992-6-16 ROB 0023 San Luis Obispo 0.5 km NE of Gate 11 of Nacimento Rd. Comment
  UC52185  Sambucus mexicana Mrs. R. W. Summers 1886-6-30 361 San Luis Obispo Coast Mts. Comment
  OBI44807  Sanicula arguta David J. Keil 1979-7-1 13121 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 mi from jctn of Los Osos Valley rd and Prefumo cyn rd Comment
  POM203698  Sanicula bipinnata I. L. Wiggins 1932-3-21 5803 San Luis Obispo Bitterwater Valley, between Cholame and Annette. Comment
  POM98149  Sanicula bipinnata P. A. Munz 1925-3-25 9208 San Luis Obispo Morro Creek 457 Comment
  UCSB12111  Sanicula bipinnata 1962-3-29 San Luis Obispo 19.1 miles west of Simmler, La Panza Range 594 Comment
  UC1123177  Sanicula bipinnatifida C. A. Graham 1939-4-14 530 San Luis Obispo 1.9 mi sse of Gifford Ranch 457 Comment
  OBI33288  Sanicula crassicaulis David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel, Richard Pimentel 1982-3-13 15703 San Luis Obispo Pennington Creek Biological Reserve, W of SLO Comment
  OBI45412  Sanicula crassicaulis David J. Keil, Malcolm McLeod, and CNPS rare plant committee 1983-5-1 16969 San Luis Obispo Between Arroyo de la Cruz and Arroyo de los Chinos Comment
  POM82760  Sanicula crassicaulis Marcus E. Jones 1882-5-9 s.n. San Luis Obispo [No additional locality information.] Comment
  OBI53408  Sanicula crassicaulis Arthur W. Hazebrook 1993-5-23 228 San Luis Obispo Nipomo Dunes Complex, Riparian corridor along northern base of Big Coreopsis Hill. Comment
  UC973443  Sanicula hoffmannii L. Constance and R. F. Hoover 1950-6-21 3354 San Luis Obispo near forks of San Simeon Creek (Santa Lucia Range); Santa Lucia Range 76 Comment
  OBI75831  Sanicula laciniata Al Lindholm 1971-4-8 142 San Luis Obispo Fitzhugh property [6 mi N of Cayucos, Santa Lucia Mts. Cypress Mtn Quad, T28S, R10E, sect 3,4,5,8,9,10, 15,16,17. 1000-acre property containing within its boundaries the origins of Cottontail, Cayucos, Villa, and Cienega Crks. N slope of Geode Mtn near "dry lake" 460 Comment
  UCR122139  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2000-4-21 5449 San Luis Obispo Santa Lucia Range, Santa Rosa Creek Road, 5.6 mi east of Cambria 76 Comment
  OBI20459  Schinus molle Jim Heaston 1955-10-21 64 San Luis Obispo Comment
  CAS-BOT-BC218934  Schinus molle Clare B. Hardham 1959-8-8 1278 San Luis Obispo Old Creek. Plants of the Santa Lucia Mountains Comment
  CAS-BOT-BC94556  Schismus arabicus R. C. Wenk 2007-4-2 578 San Luis Obispo Carrizo Plain Monument. Swain pasture, along Soda Lake Road, 4.2 miles E of turnoff to KCL camprgound 624 Comment
  SBBG95312  Schismus arabicus D. Keil, R. Riggins 1986-4-26 19279 San Luis Obispo Elkhorn Plain, 5.3 mi SE of Crocker Grade Rd on Elkhorn Rd; T32S, R22E, SW 1/4 of S7 701 Comment
  OBI72376  Schoenoplectus acutus var. occidentalis Anthony Baniaga 2010-5-22 219 San Luis Obispo Black Lake Cyn; Callender property 19 Comment
  UCSB70424  Schoenoplectus americanus H., B.; N., C. 1989-7-14 San Luis Obispo From small hydrologic impoundment; on Orcutt Rd. (near Arroyo Grande) Comment
  CAS-BOT-BC111772  Schoenoplectus pungens var. badius Ernest C. Twisselmann 1959-5-23 5266 San Luis Obispo Morro Bay, just west of Baywood. 3 Comment
  OBI33322  Schoenoplectus saximontanus David J. Keil 1983-10-23 18011 San Luis Obispo Just S of Creston W of O'Donovan Rd Comment
  UC771692  Scirpus maritimus R. F. Hoover 1946-9-21 6433 San Luis Obispo e shore Morro Bay at estuary Osos Creek; e shore Morro Bay at estuary Osos Creek Comment
  CAS-BOT-BC111054  Scirpus microcarpus R. F. Hoover 1964-8-14 9263 San Luis Obispo Jack Lake Comment
  OBI25840  Scirpus microcarpus David J. Keil 1977-8-21 12506 San Luis Obispo Ca. 3 mi W of Cuesta College along Calif Rte 1 along Chorro Crk Comment
  UCSB37990  Scirpus microcarpus Edge, Lyda 1974-6-11 San Luis Obispo Beside Santa Rita Canyon Road Comment
  UCD145388  Scribneria bolanderi G. F. Hrusa 1995-4-16 12075 San Luis Obispo San Luis Obispo County: NW of Cuesta Pass on slope near road. Approximately 2.5 m NW of US 101. 750 Comment
  SBBG109252  Scrophularia californica C. B. Hardham 1964-6-19 12061 San Luis Obispo near Polar Star Mine, along Carpoforo Crk below cmpgrd Comment
  UC762710  Scrophularia californica R. F. Hoover 1946-4-27 6083 San Luis Obispo Price Canyon Comment
  RSA191891  Scutellaria tuberosa Robert F. Thorne, P. Everett 1963-6-7 32152 San Luis Obispo Along Cuesta Ridge road, 1.8 miles NW from Cuesta Pass Freeway. 549 Comment
  UC74916  Selaginella bigelovii Mrs. R. W. Summers 1882-5-1 963 San Luis Obispo summit of Santa Lucia Mts. 762 Comment
  CAS-BOT-BC327410  Senecio astephanus Clare B. Hardham 1956-5-6 619 San Luis Obispo Adelaida Road near Hill Top Ranch, Santa Lucia Mountains Comment
  SBBG22810  Senecio blochmaniae E. R. Chandler 1965-7-9 2593 San Luis Obispo Oso Flaco Lake Comment
  UCR66612  Senecio blochmaniae C. B. Wolf, P. Everett 1941-10-1 10972 San Luis Obispo approx 2.5 mi (airline) east of Oso Flaco Lake or between the Calif. Hwy 1 and S.P.R.R. 30 Comment
  OBI15518  Senecio californicus Felice C. Movich 1969-4-2 5 San Luis Obispo dunes near Montano de Oro, S of Morro Bay 0 Comment
  SDSU470  Senecio californicus D. F. Howe 1960-4-10 2850 San Luis Obispo South of Morro Bay. Comment
  UCR122142  Senecio californicus George K. Helmkamp, E. A. Helmkamp 2000-4-21 5454 San Luis Obispo Santa Lucia Range, Santa Rosa Creek Road, 5.6 mi east of Cambria 76 Comment
  RSA773022  Senecio californicus var. ammophilus R. F. Thorne, Percy C. Everett 1963-4-21 31635 San Luis Obispo South end of Morro Bay between bay and ocean. Comment
  UC1511400  Senecio flaccidus var. douglasii T. M. Barkley and N. D. Burroughs 1964-6-10 294 San Luis Obispo ca 3 mi e Cholame (on State Hwy 41, 1 mi e of junction with U.S. Hwy 466, 2 mi w of Kern County line) Comment
  OBI39503  Senecio vulgaris David J. Keil, Melissa Luckow, Rhonda Riggins-Pimentel, Richard Pimentel, Linda Seek, et al 1982-5-9 16075 San Luis Obispo rd to top of Cypress Mtn from Warrens' cabin Comment
  CAS-BOT-BC240252  Setaria viridis R. F. Hoover 1964-8-13 9205 San Luis Obispo Camp San Luis Obispo, along highway to Morro Bay Comment
  OBI59219  Setaria viridis David J. Keil 1998-6-8 27681 San Luis Obispo Along Hwy 41 between Creston and Shandon, 5 miles E of junction with La Panza Rd. Comment
  CAS-BOT-BC205504  Sidalcea hickmanii subsp. anomala Clare B. Hardham 1958-5-3 3169 San Luis Obispo Santa Lucia Mountains. Cuesta Comment
  OBI65778  Sidalcea hickmanii subsp. hickmanii D. R. Miller 1999-5-21 599 /710 San Luis Obispo Range Extension and Rare & Endangered Rocky Butte/Pine Mt region; Along and in roadway to Art Williams' property on Little Pine Mt, Tobacco Crk drainage 914 Comment
  UC454914  Sidalcea malviflora subsp. laciniata I. J. Condit 1910-6-4 San Luis Obispo Pettit Canyon Comment
  UCD98534  Silene antirrhina G. F. Hrusa 1995-5-28 12250 San Luis Obispo San Luis Obispo County: Black Butte Research Natural Area; on SE slope of Peak 3. 525 Comment
  OBI19450  Silene antirrhina Robert F. Hoover 1947-4-2 6867 San Luis Obispo Upper Arroyo Grande 6 mi above County park Comment
  CLARK-A1045-1352  Silene gallica George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Morro Bay State Park; Morro Bay S 7.5'Q Comment
  OBI80765  Silene gallica David J. Keil 2015-2-21 32683 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. ). Comment
  CAS-BOT-BC174933  Silene laciniata R. F. Hoover 1969-7-17 11476 San Luis Obispo Just west of Cuesta Pass summit Comment
  RSA733985  Silene laciniata D. M. McF 1954-6-18 s.n. San Luis Obispo Dick Westerman Ranch. Arroyo Grande. Comment
  SBBG2039  Silene laciniata subsp. laciniata C. B. Hardham 1958-6-22 3732 San Luis Obispo See Cyn 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-BC175194  Silene verecunda Clare B. Hardham 1957-10-14 2675 San Luis Obispo Cypress Mt. Comment
  UC1070223  Silybum marianum G. T. Nordstrom 1937-5-11 1184 San Luis Obispo 2.8 mi sse Asuncion School; Adelaids Quad. Comment
  CDA16894  Sinapis arvensis G. F. Hrusa, S. Towers 1992-3-27 s.n. San Luis Obispo Upper Salinas Valley; Hwy 46 ROW approx. 6 mi. E of Paso Robles. Comment
  OBI57224  Sisymbrium altissimum David J. Keil 1998-6-1 27546 San Luis Obispo Paso Robles vicinity, E side of Salinas River along River Rd., 0.7 miles N of junction with Experimental Rd. Comment
  OBI46189  Sisymbrium officinale Lynne Dee Oyler 1986-5-6 457 San Luis Obispo Santa Margarita Ranch, Estadio field in E part of the ranch where a large stand of blue oaks occur on slopes of decomposed limestone Comment
  OBI32980  Sisyrinchium bellum David J. Keil, Malcolm McLeod, and CNPS Rare Plant Committee 1983-5-1 16957 San Luis Obispo Ridge system and coastal terr between Arroyo de la Cruz and Arroyo de los Chinos Comment
  JEPS12080  Solanum douglasii W. L. Jepson 1939-4-14 19090 San Luis Obispo Pismo Comment
  SBBG70606  Solanum douglasii R. Hoffmann 1931-5-30 San Luis Obispo Oceano Comment
  UC1125199  Solanum douglasii N. K. Carlson 1936-3-21 200 San Luis Obispo 1.1 mi nnw of Corbett 99 Comment
  UCD126851  Solanum laxum C. M. Belshaw 1936-3-17 1751 San Luis Obispo San Luis Obispo County: 1.7 miles north-northwest of Cayucos. 15 Comment
  RSA211981  Solanum physalifolium var. nitidibaccatum E. C. Twisselmann 1969-8-19 15921 San Luis Obispo Santa Ysabel Ranch, east side of the Salinas River, 5 miles S of Paso Robles. 183 Comment
  CDA6233  Solanum sarrachoides J. L. Force 1972-7-26 4 San Luis Obispo About 1/2 mile north east of Highway 1 of Arroyo Grande Creek. Comment
  CAS-BOT-BC157636  Solanum umbelliferum R. F. Hoover 1967-2-18 10216 San Luis Obispo Diablo Canyon, San Luis Range Comment
  UC54860  Solanum umbelliferum Mrs. R. W. Summers 1889-2-17 San Luis Obispo El Paso de Robles Comment
  CAS-BOT-BC157495  Solanum umbelliferum R. F. Hoover 1946-6-16 6158 San Luis Obispo 5 mi. w. of Pozo Comment
  CDA19837  Solanum umbelliferum N. David 2001-12-11 PDR 062309 San Luis Obispo Central California; Hwy 58 near California Valley. 0 Comment
  RSA660367  Solanum umbelliferum Austin P. Griffiths 1980-6-21 s.n. San Luis Obispo Near base of stabilized dune on the bayside of shoreline on Morro Bay Sandspit. 20 Comment
  SEINET3162587  Solanum umbelliferum var. californicum G. B. Grant sn San Luis Obispo Paso Robles Comment
  OBI58813  Solanum xanti David J. Keil 1998-4-28 26957 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
  SBBG6677  Solanum xanti C. B. Hardham 1959-5-23 4645 San Luis Obispo S end of Morro Bay Comment
  RSA140255  Solanum xanti var. xanti Clare B. Hardham 1959-5-19 4564 San Luis Obispo Headwaters of Las Tablas Creek Comment
  CAS-BOT-BC365338  Solidago confinis R. F. Hoover 1966-9-21 10081 San Luis Obispo Oso Flaco Lake Comment
  CAS-BOT-BC365339  Solidago confinis Ernest C. Twisselmann 1959-11-2 5892 San Luis Obispo Southwest end of Oso Flaco Lake 4 Comment
  OBI4047  Solidago confinis K. K. Muller 1965-7-27 1395 San Luis Obispo Oso Flaco Lake Area Comment
  UCR131924  Solidago confinis George K. Helmkamp 2003-9-8 8123 San Luis Obispo Central Coast, Saltwater ocean inlet 0.2 mile SW of Oceano Airport 6 Comment
  SBBG45196  Solidago spathulata L. W. Edge 1972-6-28 241 San Luis Obispo hill just N of Coon Crk Comment
  OBI32012  Soliva sessilis David J. Keil, V. L. Holland, Rhonda Riggins and Melissa Luckow 1982-4-8 15876 San Luis Obispo N of San Simeon on ridge along N side of Arroyo de la Cruz Comment
  RSA0042898  Soliva sessilis LeRoy Gross, Pam DeVries, Melinda Elster 2014-4-29 6273 b 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
  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
  OBI33591  Sonchus oleraceus Melissa Luckow, Jerry Rendon 1980-5-20 60 San Luis Obispo Poly Cyn, near the end of the rd on the N side Comment
  CAS-BOT-BC236576  Sorghum halepense Ernest C. Twisselmann 1967-9-15 13702 San Luis Obispo Choice Valley Road, just below Grants Lake, Temblor Range and the Western San Joaquin Valley 579 Comment
  UC1125826  Spergula arvensis subsp. arvensis P. L. Johannsen 1936-3-21 707 San Luis Obispo 2 1/2 mi. s.e. Terrace hill (Plot 3); San Luis Obispo Quad. 121 Comment
  CAS-BOT-BC390445  Spergularia macrotheca var. macrotheca Alice Eastwood 1926-5-3 13797 San Luis Obispo Avila Comment
  OBI19519  Spergularia marina David J. Keil, V. L. Holland 1979-5-30 13097 San Luis Obispo Just outside of San Luis Obispo city limit on E side of Orcutt Rd 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
  RSA662407  Stachys Mary D Arche 1981-4-19 81 -11 San Luis Obispo Cambria, 1 mile N on Sunbury St 15 Comment
  POM63417  Stachys ajugoides R. W. Summers 1882-04 s.n. San Luis Obispo No location noted. Comment
  UC54849  Stachys ajugoides var. ajugoides Mrs. R. W. Summers 1882-4-25 680 San Luis Obispo San Luis Obispo Comment
  RSA141031  Stachys albens Clare B. Hardham, C. Butterworth 1960-6-9 6138 San Luis Obispo Nickoli Lake, south of Creston. Comment
  UC771727  Stachys bullata R. F. Hoover 1946-7-21 6237 San Luis Obispo coast w Cambria Comment
  OBI13465  Stachys pycnantha Robert F. Hoover 1969-7-12 11434 San Luis Obispo Salinas River at Paso Robles Comment
  SBBG103501  Stachys pycnantha C. F. Smith 1993-6-15 12486 San Luis Obispo Branch Crk Rd, 4.3 mi from Hwy 166 Comment
  UC1296347  Stanleya pinnata R. F. Hoover 1946-6-16 6167 San Luis Obispo on road to McKittrick (e edge Carrizo Plain); e edge Carrizo Plain Comment
  UC608276  Stebbinsoseris heterocarpa R. C. Wilson 1938-4-8 508 San Luis Obispo 1 1/2 mi e Nacimiento Ranch (s of Bradley); Bradley Quad. 533 Comment
  UCR140102  Stellaria media George K. Helmkamp 2004-2-6 8249 San Luis Obispo Central Coast, Oso Flaco Lake Road, 0.5 mi east of the lake 9 Comment
  SBBG18053  Stellaria nitens C. B. Hardham 1960-4-4 5302 San Luis Obispo hills near mouth of Cantinas Crk 243 Comment
  POM97538  Stellaria nitens P. A. Munz 1926-4-9 10224 San Luis Obispo Willow Creek Road, 10 miles southwest of Paso Robles Comment
  UCR27237  Stephanomeria cichoriacea Frank C. Vasek 1982-8-24 820824- 03 San Luis Obispo Central Coast, north end San Simeon Creek Beach State Park 3 Comment
  OBI53535  Stephanomeria elata Arthur W. Hazebrook 1992-7-7 114 San Luis Obispo Nipomo Dunes Complex, Big Coreopsis Hill, Little Oso flaco Lake and surrounding dunes Comment
  SBBG42886  Stephanomeria elata L. D. Gottlieb 1966-8-8 66132 San Luis Obispo Santa Ysabel Ave, Baywood Park Comment
  UC1224760  Stephanomeria elata R. F. Hoover 1964-8-13 9231 San Luis Obispo Mouth of Morro Creek Santa Lucia Range Comment
  CAS-BOT-BC322898  Stephanomeria pauciflora Ernest C. Twisselmann 1953-12-12 829 San Luis Obispo Chris Twisselmann Ranch, eastern San Luis Obispo County, Temblor Range and the Western San Joaquin Valley Comment
  CAS-BOT-BC322899  Stephanomeria pauciflora Ernest C. Twisselmann 1953-8-17 702 San Luis Obispo Chris Twisselmann Ranch, 7 miles south of Cholame, Temblor Range and the Western San Joaquin Valley 640 Comment
  CAS-BOT-BC375906  Stephanomeria virgata Ella Dales Cantelow 1938-10-17 2356 San Luis Obispo 5 mi. s. of Santa Maria Inn Comment
  JEPS119361  Stipa cernua R. Snyder, K. Soler 2012-5-16 CA 160 -02 San Luis Obispo Pipeline rd. 1 mi south of soda lake rd. on right hand side. Some along road. Comment
  UC2027429  Stipa cernua Greg Wilvert 2005-4-17 255 San Luis Obispo Southeast Half of the Caliente Range. Along Padrones Canyon Road. Comment
  OBI3927  Stipa lepida Patricia Wiese 1971-5-23 60 San Luis Obispo Along rds in Cuesta Ridge Botanical Area. 2 mi NW of Cuesta Pass 762 Comment
  OBI35814  Stipa pulchra Allison Berry 1984-4-10 83 San Luis Obispo Camp San Luis Shooting Facility. 6.5 mi N of San Luis Obispo on hwy 1. Collected on plateau just above dry stream behind cement bunker in SE corner of site Comment
  OBI71119  Stipa pulchra David J. Keil 1991-5-18 21553 San Luis Obispo C.T. ranch on E and N outskirts of Cambria 100 Comment
  UC1928160  Stylomecon heterophylla David Keil, Lisa Andreano, Mike Walgren, and Aaron Sims 2008-4-12 30504 San Luis Obispo Highway 58, just east to ca. 0.25 miles east of San Juan Creek bridge. South side of highway. Comment
  CAS-BOT-BC237055  Symphoricarpos mollis R. F. Hoover 1950-6-5 7979 San Luis Obispo Ridge northwest of Cuesta Pass, Santa Lucia Range Comment
  OBI51007  Symphyotrichum chilense Kathleen Goddard Jones 1993-9-18 s.n. San Luis Obispo Oso Flaco Lake Access causeway, along the N edge of the paved walk-way Comment
  SBBG118308  Taeniatherum caput-medusae J. Clark, J. Olson 1999-7-1 San Luis Obispo exclosure between Avery Rd (N), tank trail (S), and Bivouac Rd (W); Camp Roberts 198 Comment
  UC1928116  Tamarix ramosissima David Keil 1998-6-30 27882 San Luis Obispo Carrizo Plain. 2.7 miles S of 7 Mile Rd. on Soda Lake Rd. Comment
  OBI11896  Taraxia ovata Robert F. Hoover 1959-4-3 8490 San Luis Obispo 1.8 mi N of Arroyo de la Cruz on State hwy 1 Comment
  OBI30116  Taraxia ovata Melissa Luckow 1982-6-24 892 San Luis Obispo Cambria, jctn of hwy 1 and rd to Black Mt SE corner of rd Comment
  SBBG5293  Tauschia arguta C. B. Hardham, C. Butterworth 1960-5-31 6013 San Luis Obispo Hi Mtn, Pozo Comment
  OBI81739  Tauschia hartwegii Tracey Call, Viola Call 1966-3-26 2462 San Luis Obispo East-facing rocky slope of burn and chaparral about 300 yards north of Stenner Creek fork on Cuesta Ridge road. Comment
  OBI8738  Tauschia hartwegii Robert F. Hoover 1947-3-29 6774 San Luis Obispo Atascaer Comment
  OBI6153  Tetragonia tetragonoides D. Waive Stager 1972-9-11 55 San Luis Obispo Montana de Oro State Park sand spit [on label as Morro Bay State Park] Comment
  CAS-BOT-BC438217  Tetragonia tetragonoides R. F. Hoover 1946-8-8 6284 San Luis Obispo North end of Morro Bay Comment
  UC1122240  Tetrapteron graciliflorum A. D. Gifford 1937-4-19 815 San Luis Obispo 2 4/5 mi ene Pozo; Pozo Quadrangle Comment
  UC638986  Thalictrum fendleri Bernard Miossi 1940-3-19 233 San Luis Obispo along old Cuesta Grade 5 1/2 mi n San Luis Obispo (e-facing slope of canyon); Cuesta Canyon 385 Comment
  CAS-BOT-BC399676  Thalictrum fendleri Mrs. R. W. Summers No date on label s.n. San Luis Obispo S. Lucia Mts., S.L.O. Comment
  UCR81091  Thelypodium lemmonii G. Fred Hrusa, J. A. Hart 1993-4-6 10698 San Luis Obispo Inner South Coast Range, Carrizo Plain, S end of Soda Lake on E side 610 Comment
  UC866567  Thermopsis californica var. californica Marcus E. Jones, A. M. 1882-5-9 2660 San Luis Obispo San Luis Obispo Comment
  UCD93385  Thinopyrum intermedium Ernest C. Twisselmann 1958-7-14 4546 San Luis Obispo San Luis Obispo County: Temblor Range and the Western San Joaquin Valley. Palo Prieta Canyon. 701 Comment
  OBI28262  Thysanocarpus curvipes Spasbo/Krystoff 1982-4-18 24 San Luis Obispo 22 mi E of Arroyo Grande 762 Comment
  UC1296170  Thysanocarpus curvipes R. F. Hoover 1947-3-29 6804 San Luis Obispo on La Panza road 5 mi e Creston (on sandstone hill) Comment
  CAS-BOT-BC66617  Thysanocarpus curvipes Ernest C. Twisselmann 1954-3-6 854 San Luis Obispo Temblor Range and the Western San Joaquin Valley. Summit of Palo Prieta Creek, 6 miles south of Cholame. Comment
  HSC30127  Thysanocarpus curvipes J. D. Ackerman, A. M. Montalvo 1974-3-25 144 San Luis Obispo 3.5 mi. E of Pozo on road to Hwy. 58 Comment
  JEPS54123  Thysanocarpus curvipes W. L. Jepson 1927-4-26 11977 San Luis Obispo on road to Pozo (4 mi southeasterly) Santa Margarita 381 Comment
  UC2027405  Thysanocarpus laciniatus Greg Wilvert 2005-4-13 215 San Luis Obispo Southeast Half of the Caliente Range. 2.5 km S of Lawson Spring. Comment
  CAS-BOT-BC67147  Thysanocarpus laciniatus Ira L. Wiggins 1932-3-20 5775 San Luis Obispo 2 miles east of Paso Robles. Comment
  SBBG1100  Toxicoscordion fremontii K. K. Muller 1956-1-30 741 San Luis Obispo bluff above ocean, S side of Arroyo de la Cruz, just inland from St Hwy 1 Comment
  OBI8644  Tribulus terrestris Robert F. Hoover 1964-7-9 9122 San Luis Obispo Santa Margarita, along railway Comment
  JEPS63190  Trichostema lanatum Hilda W. Grinnell 1934-5-22 San Luis Obispo between Pozo and La Panza 762 Comment
  UC1450988  Trichostema ovatum R. F. Hoover 1969-10-6 11645 San Luis Obispo Cuyama Valley, E end, near Kern Co. line Comment
  UCR115779  Trientalis latifolia George K. Helmkamp, E. A. Helmkamp 2000-4-20 5384 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCSC009009  Trifolium Randall Morgan 2014-3-19 5568 San Luis Obispo 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
  OBI60636  Trifolium albopurpureum David J. Keil 1986-4-13 19165 San Luis Obispo Along Pozo Rd, 0.5 mi NW of Rinconada Mine entrance on SW side of hwy Comment
  UCR161476  Trifolium angustifolium George K. Helmkamp, E. A. Helmkamp 2005-5-17 9471 San Luis Obispo Central Coast, Mile 60 of Calif. Highway 1, c. 2.0 mi WNW of San Simeon 15 Comment
  SBBG18770  Trifolium bifidum var. decipiens C. B. Hardham 1961-4-14 7377 San Luis Obispo headwaters of Santa Rosa Crk Comment
  UCR32065  Trifolium bifidum var. decipiens David J. Keil 1982-5-8 15974 San Luis Obispo Central Coast, 4.4 mi east of junction with Santa Rosa Creek Road on dirt road leading to Cypress Mtn via Steiner Creek 687 Comment
  UC1873080  Trifolium campestre D. R. Miller, E. A. Appel 2002-5-5 502 /749 San Luis Obispo Pine Mountain region; near confluence of Arroyo Laguna and Oak Knoll Creeks, Hearst Ranch 50 Comment
  UC1129990  Trifolium ciliolatum H. C. Lee 1937-5-8 897 San Luis Obispo Adeladia Rd Paso Robles quad (130D) 335 Comment
  UCD109060  Trifolium fucatum James Clawson 1966-3-15 s.n. San Luis Obispo San Luis Obispo County: Adelaid-Cambria Road. Comment
  SBBG95500  Trifolium glomeratum D. Keil 1983-5-22 17072 San Luis Obispo vicinity of Arroyo de la Cruz, N of San Simeon, just S of bridge on E side of Hwy 1 Comment
  OBI58041  Trifolium gracilentum David J. Keil 1998-4-14 26737 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
  OBI72096  Trifolium gracilentum Michael Walgren 2010-4-6 99 San Luis Obispo San Simeon State Park on W side of hwy 1, between two unnamed drainages. Approx .67 mi S of Arroyo Hondo and 1.05 mi N of Arroyo de los Chinos Comment
  CDA17742  Trifolium incarnatum Austin Griffiths, Kathleen G. Jones 1982-4-25 s.n. San Luis Obispo first house SW of State Hwy 1 and Halcyon Rd. intersection. 0 Comment
  OBI54362  Trifolium microcephalum David J. Keil, Kathleen Keil 1995-4-15 24914 San Luis Obispo Shell Crk Rd, ca 1/2 mi N of jctn with Calif rte 58 Comment
  OBI57906  Trifolium microcephalum David J. Keil, with V. L. Holland 1999-4-27 28282 San Luis Obispo Camp Roberts; McMillan Airstrip. Comment
  OBI12655  Trifolium obtusiflorum Robert F. Hoover 1947-5-9 7136 San Luis Obispo C