35.21293 35.31293 -120.78358 -120.68358 UC/JEPS: Consortium Search Results
Search Results — 1571 specimen records retrieved (1571 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 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
  UC1071640  Acer macrophyllum H. C. Lee 1936-4-6 551 San Luis Obispo Head of Davis Canyon San Luis Obispo National Forest, Port San Luis Quad. Comment
  UCD128320  Achillea millefolium Daryl Koutnik 1978-6-19 531 San Luis Obispo San Luis Obispo County: West of Cerro Romauldo along Chorro Creek. 304 Comment
  OBI13047  Acmispon americanus var. americanus R. R. La Belle 1967-10-10 47 San Luis Obispo Laguna lake, San Luis Obispo. NE side of lake 8 Comment
  OBI31793  Acmispon americanus var. americanus Turnquist, Smeltzer 1982-7-23 181 San Luis Obispo Laguna lake Park, near developed trls and roadway on E side of lake Comment
  UCD103818  Acmispon americanus var. americanus G. K. Helmkamp; E. A. Helmkamp 2000-9-2 5964 San Luis Obispo San Luis Obispo County: Iris Hills: Profumo Canyon, 2.2 mi W of Los Osos Valley Rd. 137 Comment
  OBI31764  Acmispon brachycarpus Turnquist, Smeltzer 1982-5-1 72 San Luis Obispo On the NE side of Laguna lake Park Comment
  OBI81377  Acmispon glaber Katie Larkin, Madison Ward 2015-4-19 4 San Luis Obispo Bishop Peak. Comment
  OBI81378  Acmispon glaber Chris Codding, Ari Burton, Karis Russell, Ryan Doan 2015-4-28 10 San Luis Obispo Irish Hills, take Sterling Land and hike into surrounding hills. Sample taken from Northeast-facing slope. Side of hill next to trail. Comment
  UCD103762  Acmispon junceus G. Helmkamp; E. Helmkamp 1995-6-20 95 2 19 San Luis Obispo San Luis Obispo County: Bear Creek Ranch, SE of Los Osos. 6 mi. SE of Los Osos on Clark Valley Road. 396 Comment
  UCD104274  Acmispon procumbens var. procumbens G. K. Helmkamp; E. A. Helmkamp 2001-4-29 6562 San Luis Obispo San Luis Obispo County: Irish Hills: Clark Valley Rd., 2.8 mi S of Los Osos Valley Rd (E of Los Osos). 91 Comment
  OBI75067  Acmispon strigosus David J. Keil 1988-3-19 20430 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI48250  Acmispon wrangelianus David J. Keil 1989-5-3 21210 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
  OBI75243  Acmispon wrangelianus David J. Keil 2011-5-12 31022 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 333 Comment
  OBI79707  Acmispon wrangelianus David J. Keil 2012-5-27 31359 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail Comment
  UCD104494  Acmispon wrangelianus G. K. Helmkamp; E. K. Helmkamp 2001-4-29 6577 San Luis Obispo San Luis Obispo County: Irish Hills; Clark Valley Road; 3.8 miles south of Los Osos Valley Rd. (east of Los Osos). 213 Comment
  OBI44941  Acroptilon repens David J. Keil 1984-7-20 18305 San Luis Obispo Just E of Foothill Rd along Los Osos Valley Rd Comment
  OBI47470  Acroptilon repens Deanna L. B. Montgomery 1986-8-10 57 San Luis Obispo San Luis Obispo. Los Osos Valley Rd near Foothill Rd 70 Comment
  OBI1097  Adiantum jordanii Richard E. Simpson 2014-4-18 112 San Luis Obispo Collected on the northern slope of Bishop Peak among the rocks Comment
  OBI1098  Adiantum jordanii Richard E. Simpson 1959-5-30 125 San Luis Obispo Collected on the northern slope of the unamed peak just west of Bishop Peak. Comment
  OBI33656  Adiantum jordanii Robert J. Rodin 1959-3-18 6319 San Luis Obispo North side of Bishop Peak Comment
  SBBG118163  Adiantum jordanii E. Painter, M. Wetherwax 2000-3-20 SLO 36 San Luis Obispo E side of saddle between Cerro Chumash and Cerro Romualdo; Camp San Luis Obispo 200 Comment
  SBBG55746  Adiantum jordanii R. J. Rodin 1959-3-18 6319 San Luis Obispo N side of Bishop Pk Comment
  SEINET1875047 Image available Adiantum jordanii Robert J. Rodin 1959-3-18 6319 San Luis Obispo North side of Bishop Peak. Comment
  UCR103802  Adiantum jordanii George K. Helmkamp 1997-3-8 1455 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
  UCR161284  Adiantum jordanii George K. Helmkamp, E. A. Helmkamp 2005-3-8 9045 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills. 1.1 mi SW of Los Osos Valley Road along Prefumo Canyon Road 98 Comment
  UCR161304  Adiantum jordanii George K. Helmkamp, E. A. Helmkamp 2005-3-9 9101 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive 186 Comment
  UCR29136  Adiantum jordanii R. J. Rodin 1959-3-18 6319 San Luis Obispo Central Coast, north side of Bishop Peak Comment
  UCSB39925  Adiantum jordanii Shaw, J. 1982-7-1 San Luis Obispo Perfumo Canyon Road, one mi S of Los Osos Valley Road in San Luis Obispo 91 Comment
  CAS-BOT-BC29367  Ageratina adenophora Ernest C. Twisselmann 1959-4-10 5030 San Luis Obispo Irish Hills: See Canyon 106 Comment
  CAS-BOT-BC29368  Ageratina adenophora Ernest C. Twisselmann 1959-4-10 5030 San Luis Obispo Irish Hills: See Canyon 106 Comment
  OBI72012  Ageratina adenophora Michael Walgren 2010-2-1 71 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn 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. In un-nmaed drainage N of home site 335 Comment
  RSA643444  Ageratina adenophora R. D. Goeden, D. W. Ricker 1972-5-2 s.n. San Luis Obispo See Canyon Road, 4 miles north of San Luis Bay Rd., SW of San Luis Obispo 183 Comment
  UCR109778  Ageratina adenophora R. D. Goeden, Don W. Ricker 1972-5-2 s.n. San Luis Obispo Irish Hills, See Canyon Road, 4 miles north of San Luis Bay Rd., SW of San Luis Obispo 183 Comment
  OBI75251  Agoseris grandiflora var. grandiflora David J. Keil 2011-5-12 31014 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 354 Comment
  SEINET13723982  Agropyron intermedium D. Keil 1977-8-7 12487 San Luis Obispo Along Los Osos Valley Road at turnoff to Telephone Company Road c. 0.5 mi west of Foothill Blvd. 44 Comment
  RSA749096  Agrostis densiflora David J. Keil 2001-6-14 29523 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Serpentenite parent material. 800 Comment
  UC1928140  Agrostis densiflora David Keil, Jill Bushakra 2001-6-14 29544 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI2571  Agrostis exarata Larry E. Brown 1971-7-8 2062 San Luis Obispo In Prefumo Cyn near San Luis Obispo Comment
  OBI59209  Agrostis exarata David J. Keil 2001-5-31 29522 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI59211  Agrostis exarata David J. Keil 2001-6-14 29523 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI59368  Agrostis exarata David J. Keil, with Jill Bushakra 2001-6-14 29544 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI59370  Agrostis exarata David J. Keil, with Jill Bushakra 2001-6-14 29553 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  RSA751810  Agrostis exarata David J. Keil 2001-6-14 29522 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Serpentenite parent material. 800 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
  RSA749087  Agrostis exarata var. monolepis David J. Keil, Jill Bushakra 2001-6-14 29544 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Serpentenite parent material. 800 Comment
  JEPS100285  Agrostis hooveri John M. Miller 1993-7-8 1430 San Luis Obispo Devils Ridge to upper Coon Creek road Irish Hills, PG&E Diablo Canyon Power Plant 365 Comment
  OBI50135  Agrostis pallens Michael Curto, Linda Allen 1991-6-8 730 San Luis Obispo San Luis Range (Irish Hills), NE slope, Prefumo Cyn rd approx 3 km SW from Los Osos Valley rd jctn 225 Comment
  OBI59207  Agrostis pallens Michael Curto 2001-5-31 29520 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI79712  Agrostis pallens David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31372 San Luis Obispo San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. 447 Comment
  UC1130599  Alisma plantago-aquatica B. Bolt 1936-4-28 695 San Luis Obispo 1.5 mi w Cerro San Luis Obispo; San Luis Obispo Quad. 45 Comment
  OBI5015  Alisma triviale Robert J. Rodin 1956-5-22 6078 San Luis Obispo Into Laguna lake near Los Osos Valley rd Comment
  OBI6181  Alisma triviale Robert J. Rodin 1956-5-29 6078 San Luis Obispo Crk in Osos Valley which runs into Laguna Lake Comment
  UCR38977  Alisma triviale R. J. Rodin 1956-5-29 6078 San Luis Obispo Creek in Osos Valley which runs into Laguna Lake 40 Comment
  OBI75249  Allium haematochiton David J. Keil 2011-5-12 31016 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 345 Comment
  UC570020  Allium haematochiton H. C. Lee 1936-3-23 527 San Luis Obispo 1/2 mi s Mine Hill; Arroyo Grande Quadrangle 259 Comment
  UC1296348  Allium lacunosum R. F. Hoover 1947-5-12 7163 San Luis Obispo near San Luis Obispo (w base of Mt. Bishop); Mt. Bishop Comment
  OBI21238  Allium lacunosum var. lacunosum Robert F. Hoover 1947-5-12 7163 San Luis Obispo W base of Mt Bishop near San luis Obispo Comment
  OBI54207  Allium lacunosum var. lacunosum David J. Keil, V. L. Holland 1996-6-6 25882 San Luis Obispo Prefumo Cyn Homes project site along Prefumo Crk ca 1/3 mi from Los Osos Valley Rd Comment
  OBI59012  Allium lacunosum var. lacunosum David J. Keil, with Kathleen A. Keil 1998-5-29 27541 San Luis Obispo Serpentine hills S of Bishop Peak at 2051 O'Connor Way. W of San Luis Obispo. Comment
  OBI81334  Allium lacunosum var. lacunosum David J. Keil, Janet Haden 1988-5-24 20686 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  RSA43142  Allium lacunosum var. lacunosum Robert F. Hoover 1947-5-12 7163 San Luis Obispo West base of Mount Bishop near San Luis Obispo Comment
  UC1927795  Allium lacunosum var. lacunosum David Keil with Kathleen Keil 1998-5-29 27541 San Luis Obispo Serpentine hills S of Bishop Peak at 2051 O'Connor Way. W of San Luis Obispo. Comment
  OBI78724  Allium triquetrum Taylor N. Steele 2014-3-2 5 San Luis Obispo Laguna Lake residential area, 1465 Gulf Street, San Luis Obispo Comment
  OBI78627  Alnus rhombifolia Laura Gurrola, Shannon O'Hehir 2014-2-8 2 San Luis Obispo Laguna Open Space. 1200ft north of parking lot off Dalidio Dr. 50ft from north eastern side of lake. 40 Comment
  OBI58906  Amaryllis belladonna David J. Keil, Kathleen Keil 1998-8-9 27921 San Luis Obispo Foothill Rd., 1/2 way between Los Osos Valley Rd. and O'Connor Way on W side of highway. Comment
  OBI73654  Amaryllis belladonna David J. Keil 2010-8-30 30929 San Luis Obispo Upper Prefumo Canyon Road, ca. 4.2 road miles from junction with Los Osos Valley Road, ca. 0.8 road miles from Prefumo-See Canyon summit 480 Comment
  UC1953211  Amaryllis belladonna David Keil 2010-8-30 30929 San Luis Obispo Upper Prefumo Canyon Road, ca. 4.2 road miles from junction with Los Osos Valley Road, ca. 0.8 road miles from Prefumo-See Canyon summit. Comment
  UCR118348  Amaryllis belladonna George K. Helmkamp, E. A. Helmkamp 2000-9-2 5973 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  SD185108  Ammi majus G. K. Helmkamp, E. A. Helmkamp 1995-6-20 95 2 13 San Luis Obispo Bear Creek Ranch, 6.0 miles southeast of Los Osos on Clark Valley Road. 399 Comment
  UCR166284  Ammi majus George K. Helmkamp, E. A. Helmkamp 1995-6-20 95-2- 13 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  OBI75255  Amsinckia menziesii David J. Keil 2011-5-12 31010 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 354 Comment
  UC1123228  Anagallis arvensis P. L. Johannsen 1936-3-22 738 San Luis Obispo 3 1/4 mi. n.w. Cerro San Luis Obispo (Plot 13); San Luis Obispo Quad. 106 Comment
  UC1123233  Anagallis arvensis H. C. Lee 1936-3-19 529 San Luis Obispo 2 mi. n. Miles; Arroyo Grande Quad. Comment
  UCR122477  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 1998-5-20 3891 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
  CAS-BOT-BC102278  Anthemis cotula R. F. Hoover 1965-8-1 9500 San Luis Obispo Valley west of Mt. Bishop Comment
  CAS-BOT-BC84624  Anthemis cotula R. F. Hoover 1965-8-1 9500 San Luis Obispo Valley west of Mt. Bishop Comment
  OBI17084  Anthemis cotula Robert F. Hoover 1965-8-1 9500 San Luis Obispo Valley W of Mt Bishop Comment
  OBI31649  Anthemis cotula Smeltzer, Turnquist 1982-7-28 212 San Luis Obispo Along the northern foot trl in Laguna Lake Park Comment
  OBI38210  Anthemis cotula Eric Wise 1981-6-15 569 San Luis Obispo N shore of Laguna Lake, SLO Comment
  OBI66482  Anthemis cotula David J. Keil 2005-6-25 30412 San Luis Obispo North slopes of Bishop Peak, San Luis Obispo open space Comment
  OBI66483  Anthemis cotula David J. Keil 2005-6-25 30412 San Luis Obispo North slopes of Bishop Peak, San Luis Obispo open space Comment
  UC1285163  Anthemis cotula R. F. Hoover 1965-8-1 9500 San Luis Obispo valley w of Mt. Bishop Comment
  UCD129072  Anthemis cotula Daryl Koutnik 1978-6-12 532 San Luis Obispo San Luis Obispo County: West of Cerro Romauldo along Chorro Creek. 304 Comment
  UCR118375  Anthemis cotula George K. Helmkamp, E. A. Helmkamp 1998-7-1 4250 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  UCR122474  Anthemis cotula George K. Helmkamp, E. A. Helmkamp 1998-5-20 3894 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
  UCSB39888  Anthemis cotula Shaw, J. 1982-7-1 San Luis Obispo At the intersection of Los Osos Valley Road and Descanso Street in San Luis Obispo 45 Comment
  OBI56442  Antirrhinum kelloggii David J. Keil 1999-5-17 28343 San Luis Obispo San Luis Obispo. Bishop Peak area, Ferrini Ranch Open Space, Felsman Loop Trail. 274 Comment
  UC454523  Apiastrum angustifolium I. J. Condit 1910-5-14 San Luis Obispo Osos Valley Comment
  OBI80016  Apocynum cannabinum David J. Keil 2013-7-6 31823 San Luis Obispo San Luis Range. Prefumo Canyon Road. Creek bottom at bridge 2 90 Comment
  CDA24195  Aquilegia eximia T. C. Fuller 1962-7-19 9242 San Luis Obispo Perfumo Canyon Road, 1.7 miles west of junction with Los Osos Valley Road, ca. 6 miles southwest of San Luis Obispo. 0 Comment
  CDA24196  Aquilegia eximia T. C. Fuller 1962-7-19 9242 San Luis Obispo Perfumo Canyon Road, 1.7 miles west of junction with Los Osos Valley Road, ca. 6 miles southwest of San Luis Obispo. 0 Comment
  UCR25006  Aquilegia eximia George K. Helmkamp 1981-8-7 s.n. San Luis Obispo Central Coast, north end of See Canyon in the Irish Hills, near Los Osos Valley 213 Comment
  CAS-BOT-BC27029  Aquilegia fontinalis Alice Eastwood; John Thomas Howell 1938-6-14 5934 San Luis Obispo Prefumo Canyon Comment
  CAS-BOT-BC27030  Aquilegia fontinalis Alice Eastwood; John Thomas Howell 1938-6-14 5934 San Luis Obispo Prefumo Canyon Comment
  CAS-BOT-BC27031  Aquilegia fontinalis Alice Eastwood; John Thomas Howell 1938-6-14 5934 San Luis Obispo Prefumo Canyon Comment
  GH38116  Aquilegia fontinalis A. Eastwood & J. T. Howell 1938-6-14 5934 Unknown Prefumo Canyon Comment
  NY353238  Aquilegia fontinalis A. Eastwood 1938-6-14 5934 San Luis Obispo Prefumo Canyon Comment
  OBI78700  Arctostaphylos Justin Farr, Jason Guendert, Michael Joyce 2013-2-3 1 San Luis Obispo Bishop Peak, 40 ft from trail entrance on Highland Drive. 208 Comment
  OBI79709  Arctostaphylos crustacea David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31370 San Luis Obispo San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. 447 Comment
  OBI79802  Arctostaphylos crustacea David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31369 San Luis Obispo San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. 447 Comment
  OBI66788  Arctostaphylos crustacea subsp. crustacea Austin P. Griffiths 1985-3-16 s.n. San Luis Obispo Hibbard Nature Preserve. First overlook, 1.8 mi in from road Comment
  SBBG119459  Arctostaphylos crustacea subsp. crustacea C. Bornstein, E. Collins 2006-9-21 San Luis Obispo See Cyn Rd, ca. 3 mi NW of Davis Cyn Rd 228 Comment
  UCR266051  Arctostaphylos crustacea subsp. crustacea David J. Keil, Mike Walgren, Sally Krenn 2012-6-21 31369 San Luis Obispo Central Coast, San Luis Range, Irish Hills. Road from See Canyon to Davis Peak 447 Comment
  OBI14741  Arctostaphylos cruzensis Robert F. Hoover 1947-1-26 6600 San Luis Obispo Osos Valley Comment
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Dec 24 2016
  UC1389142  Arctostaphylos cruzensis B. Bolt 1936-3-18 638 San Luis Obispo 4 mi se mouth of Osos Creek; Cayucos Quadrangle 243 Comment
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Dec 24 2016
  UCR103805  Arctostaphylos luciana George K. Helmkamp 1997-3-8 1445 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
  OBI14619  Arctostaphylos morroensis Robert F. Hoover 1946-1 San Luis Obispo Comment
  OBI14621  Arctostaphylos morroensis Robert F. Hoover 1947-1 San Luis Obispo Comment
  RSA43157  Arctostaphylos morroensis Robert F. Hoover 1947-1-26 6599 San Luis Obispo Osos Valley Comment
  UCR115298  Arctostaphylos morroensis Austin P. Griffiths 1981-11-7 s.n. San Luis Obispo Along S lope of crest of ridge and down draws on S ridge of Hazard Canyon, c. 2 mi east of Pecho Road. 69 Comment
  OBI54246  Arctostaphylos obispoensis David J. Keil, V. L. Holland 1996-6-6 25888 San Luis Obispo Prefumo Cyn homes project site along Prefumo Crk ca. 1/3 mi from Los Osos Valley rd Comment
  CAS-BOT-BC44411  Arctostaphylos pechoensis Gertrude Sinsheimer 1934-5-24 s.n. San Luis Obispo Between See Canyon and Irish Hills Comment
  CAS-BOT-BC44412  Arctostaphylos pechoensis Gertrude Sinsheimer 1934-5-24 s.n. San Luis Obispo Between See Canyon and Irish Hills Comment
  CHSC45798  Arctostaphylos pechoensis L. P. Janeway; Lela Burdett, Bernard Burdett 1988-12-30 3165 San Luis Obispo In See Cyn near pass into Coon Creek; along See Cyn Rd 3.7 mi W of Davis Cyn Rd. 320 Comment
  OBI26205  Arctostaphylos pechoensis Lyda W. Edge 1974-6-10 446 San Luis Obispo Near summit of See Cyn rd Comment
  OBI66776  Arctostaphylos pechoensis Austin P. Griffiths 1985-3-16 s.n. San Luis Obispo Hibbard Nature Preserve. First overlook, 1.8 mi in from road Comment
  OBI75081  Arctostaphylos pechoensis Michael Walgren 2011-2-25 222 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See cyn rd. near a home 292 Comment
  OBI75101  Arctostaphylos pechoensis Michael Walgren 2011-2-25 242 San Luis Obispo Irish HIlls, Montana de Oro State Park. New property acquisition known as the "Andre" property just S of where Coon crk hits Perfumo Cyn rd, near the jctn with See Cyn rd 330 Comment
  OBI82352  Arctostaphylos pechoensis David J. Keil, Matt Ritter, Jenn Yost, Brett Hall, et al. 2016-1-1 33441 -B San Luis Obispo Upper See Canyon 415 Comment
  OBI82354  Arctostaphylos pechoensis David J. Keil, Matt Ritter, Jenn Yost, Brett Hall, et al. 2016-1-1 33441 -A San Luis Obispo Upper See Canyon 415 Comment
  OBI82391  Arctostaphylos pechoensis David J. Keil, with Matt Ritter, Jenn Yost, Brett Hall, et al. 2016-1-1 33441 -C San Luis Obispo Upper See Canyon Comment
  SBBG114649  Arctostaphylos pechoensis D. Wilken with E. Painter 2002-4-1 15886 San Luis Obispo See Cyn, ca. 1.3 map km SE of jct with Prefumo Cyn Rd at Coon Crk, ca. 0.9 air km SSE of head of See Cyn 250 Comment
  SBBG119458  Arctostaphylos pechoensis C. Bornstein, E. Collins 2006-9-21 San Luis Obispo See Cyn Rd, ca. 0.8 mi NW of jct with Davis Cyn Rd 68 Comment
  SBBG48525  Arctostaphylos pechoensis L. W. Edge 1974-6-10 446 San Luis Obispo near summit, See Cyn Rd Comment
  SBBG48526  Arctostaphylos pechoensis L. W. Edge 1974-6-10 448 San Luis Obispo near summit, See Cyn Rd Comment
  SBBG48528  Arctostaphylos pechoensis L. W. Edge 1974-6-10 447 San Luis Obispo near summit, See Cyn Rd Comment
  UCD53467  Arctostaphylos pechoensis G. K. Helmkamp; E. K. Helmkamp 2001-4-29 6570 San Luis Obispo Irish Hills; Clark Valley Road; 2.8 miles south of Los Osos Valley Rd. (east of Los Osos). 91 Comment
  UCSB37989  Arctostaphylos pechoensis Edge, Lyda 1974-6-10 San Luis Obispo Near summit of See Canyon Road Comment
  UCR25455  Arctostaphylos pechoensis var. viridissima Michael J. Kelly 1975-3-27 045 San Luis Obispo Central Coast, left side of See Canyon Road, 4 mi from San Luis Bay Drive off of Hwy 101 183 Comment
  UC1120105  Arctostaphylos tomentosa subsp. crustacea A. E. Wieslander 1935-2-24 531 San Luis Obispo head of canyon Port San Luis Quadrangle, Davis Canyon Comment
  UC1120113  Arctostaphylos tomentosa subsp. crustacea A. E. Wieslander 1935-2-24 529 San Luis Obispo head of canyon Port San Luis Quadrangle, Davis Canyon Comment
  CDA11170  Arctostaphylos tomentosa subsp. daciticola G. F. Hrusa 1987-6-16 5418 San Luis Obispo Irish Hills; N slope of Buchon Ridge at S end of Montana de Oro State park. Comment
  RSA660609  Arctostaphylos tomentosa subsp. tomentosa Austin P. Griffiths 1985-3-16 s.n. San Luis Obispo Hibbard Nature Preserve. At overlook, 1.8 mi. in from gate. Comment
  RSA660361  Arctostaphylos wellsii Austin P. Griffiths 1985-3-16 s.n. San Luis Obispo Hibbard Nature Preserve, immediate across trail NW of correl, 2.5 mi. from gate. Comment
  UCD51082  Arctostaphylos wellsii Austin P. Griffiths 1985-3-16 s.n. San Luis Obispo Hibbard Nature Preserve. Immediate across trail NW of corral, 2.5 mi from gate. Comment
  OBI49932  Arctotheca prostrata David J. Keil 1984-7-17 18296 San Luis Obispo 0.5 mi E of jctn with Foothill blvd on Los Osos Valley rd at outskirts of San Luis Obispo Comment
  UCR115580  Arenaria douglasii George K. Helmkamp, E. A. Helmkamp 2000-4-20 5400 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR134398  Arenaria douglasii George K. Helmkamp, E. A. Helmkamp 2001-4-29 6592 San Luis Obispo Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo 91 Comment
  OBI75057  Aristida adscensionis David J. Keil 1988-3-19 20404 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI79255  Aristida adscensionis David J. Keil 2012-5-27 31361 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail Comment
  RSA0019484  Aristida adscensionis David J. Keil 1988-3-19 20404 San Luis Obispo Froom Ranch, SW of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, SW of San Luis Obispo city limits. 30 Comment
  OBI83455  Artemisia californica Drew Kenyon, Katie Felger, Meha Patel 2017-1-27 5 San Luis Obispo Irish Hills Natural Reserve, about a quarter mile from the trailhead along the east side of the Bog Thistle trail 125 Comment
  SBBG117843  Artemisia douglasiana A. Dilworth, J. Goldzman 1998-4-22 San Luis Obispo ca. 0.6 mi N on dirt rd at intersection of Chorro Valley and Kern Rds, on berm of Chorro Crk; W of LCTA Plot 309, Camp San Luis Obispo Comment
  UCR118338  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 2000-9-2 5965 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  UCR118362  Artemisia douglasiana George K. Helmkamp, E. A. Helmkamp 1998-6-30 4225 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  OBI81331  Asclepias eriocarpa David J. Keil, Janet Haden 1988-5-24 20683 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  OBI81330  Asclepias fascicularis David J. Keil, Janet Haden 1988-5-24 20682 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  SBBG55744  Aspidotis californica R. J. Rodin 1959-3-18 6324 San Luis Obispo N side of Bishop Pk Comment
  SBBG94421  Aspidotis californica R. J. Rodin 1958-4-4 6208 San Luis Obispo Bishop Peak Comment
  UC1874945  Aspidotis californica Ruth Kirkpatrick 2003-7-7 1167 San Luis Obispo Bishop Peak, along trail to summit. 320 Comment
  UC454368  Aspidotis californica Miss M. Venable 1908-5-2 San Luis Obispo Bishop's Peak Comment
  UCR118346  Aster radulinus George K. Helmkamp, E. A. Helmkamp 2000-9-2 5972 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  OBI74997  Astragalus curtipes David J. Keil 1988-3-19 20433 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  SD129793  Astragalus curtipes Wayne P. Armstrong 1988-3-31 1290 San Luis Obispo Near summit of See Canyon Road. 305 Comment
  CAS-BOT-BC182627  Astragalus didymocarpus var. milesianus R. F. Hoover 1947-3-21 6710 San Luis Obispo West base of Mt. Bishop near S.L.O. 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
  RSA201660  Astragalus didymocarpus var. milesianus Robert F. Hoover 1947-3-21 6710 San Luis Obispo west base of Mt. Bishop near S.L.O. [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
  OBI75001  Astragalus gambelianus David J. Keil 1988-3-19 20438 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  JEPS34369  Astragalus nuttallii Rimo Bacigalupi and L. R. Heckard 1963-4-21 8844 San Luis Obispo ca 6.5 mi nw Point San Luis (among rocks jutting out of coastal terrace at Lion Rock, between Crowbar Canyon and Diablo Canyon); btwn Crowbar Canyon and Diablo Canyon, Lion Rock 22 Comment
  RSA667362  Astragalus trichopodus var. lonchus George K. Helmkamp 2001-4-29 6576 San Luis Obispo Irish Hills: Calrk Valley Rd., 3.8 mi S f Los Osos Valley Rd (E of Los Osos). 213 Comment
  SEINET2060355 Image available Astragalus trichopodus var. lonchus George Helmkamp 1989-4-17 San Luis Obispo At the crest of Prefumo Canyon Rd., Irish Hills 365 Comment
  UCD105462  Astragalus trichopodus var. phoxus G. K. Helmkamp; E. K. Helmkamp 2001-4-29 6576 San Luis Obispo San Luis Obispo County: Irish Hills; Clark Valley Road; 3.8 miles south of Los Osos Valley Rd. (east of Los Osos). 213 Comment
  UCR134417  Astragalus trichopodus var. phoxus George K. Helmkamp, E. A. Helmkamp 2001-4-29 6577 San Luis Obispo Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos 213 Comment
  UCR161362  Astragalus trichopodus var. phoxus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9080 San Luis Obispo Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road 409 Comment
  UCD105452  Astragalus trichopodus var. trichopodus G. K. Helmkamp; E. A. Helmkamp 2000-4-20 5408 San Luis Obispo San Luis Obispo County: Central Coast: Road crest between See Cyn. Rd. and Prefumo Cyn Rd. (SW of San Luis Obispo). 320 Comment
  UCR115586  Astragalus trichopodus var. trichopodus George K. Helmkamp, E. A. Helmkamp 2000-4-20 5408 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  JEPS34365  Atriplex californica Rimo Bacigalupi and L. R. Heckard 1963-4-21 8840 San Luis Obispo ca 6.5 mi nw Point San Luis (between Crowbar Canyon and Diablo Canyon, on rocks jutting out of coastal terrace at Lion Rock, along coast; ...(on hills back of coastal plain)); Lion Rock, bet Crowbar Canyon and Diablo Canyon 22 Comment
  OBI31654  Atriplex prostrata Smeltzer, Turnquist 1982-7-28 206 San Luis Obispo Along the N foot trl in Laguna Lake Park Comment
  OBI28222  Avena barbata Rick Frelinger 1982-4-20 14 San Luis Obispo San Luis Crk between US hwy 101 and lower Higuera St, San Luis Obispo Comment
  SBBG95578  Avena fatua J. Turpen 1986-5-26 1 San Luis Obispo Bishop Peak 243 Comment
  UCR161695  Avena fatua George K. Helmkamp, E. A. Helmkamp 2005-3-8 9055 San Luis Obispo Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road 122 Comment
  CAS-BOT-BC98686  Baccharis douglasii R. F. Hoover 1946-8-3 6261 c San Luis Obispo Perfumo Canyon, San Luis Range Comment
  OBI16981  Baccharis glutinosa Robert F. Hoover 1946-8-3 6261 San Luis Obispo Perfumo [Prefumo] Cyn, San Luis Range Comment
  UC1285127  Baccharis glutinosa R. F. Hoover 1946-8-3 6261 San Luis Obispo San Luis Range, Perfumo Canyon Comment
  OBI81373  Baccharis pilularis Madison Ward, Katie Larkin 2015-4-19 4 San Luis Obispo Bishop Peak. Shared area under canopy other plants. Comment
  OBI31679  Bellardia trixago Turnquist, Smeltzer 1982-5-1 77 San Luis Obispo On the NE side of Laguna Lake Park Comment
  OBI58768  Bellardia trixago David J. Keil 1998-6-23 27850 San Luis Obispo At Baldwin residence and on property to west of Baldwin property along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI56846  Berula erecta David J. Keil 1998-7-2 27908 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  CDA43324  Bidens pilosa David J. Keil 2011-6-11 31045 San Luis Obispo O'Connor Way, 2 miles from Foothill Road, west of San Luis Obispo. Comment
  OBI75213  Bidens pilosa David J. Keil 2011-6-11 31045 San Luis Obispo O'Connor Way, 2 miles from Foothill Road, west of San Luis Obispo 83 Comment
  RSA0028257  Bidens pilosa David J. Keil 2011-6-11 31045 San Luis Obispo O'Connor Way, 2 miles from Foothill Road, west of San Luis Obispo. 83 Comment
  UC2027213  Bidens pilosa David J. Keil 2011-6-11 31045 San Luis Obispo O'Connor Way, 2 miles from Foothill Road, west of San Luis Obispo. Comment
  UC1296354  Bloomeria crocea R. F. Hoover 1956-4-26 8370 San Luis Obispo w. base of Mt. Bishop near San Luis Obispo Comment
  RSA216789  Boisduvalia densiflora var. densiflora Robert F. Hoover 1969-8-25 11556 San Luis Obispo Laguna de San Luis Obispo. Comment
  OBI31819  Brassica nigra Turnquist, Smeltzer 1982-5-1 89 San Luis Obispo NE side of Laguna Lake Park Comment
  OBI83444  Brassica nigra Ashlynn Ritter, Emily Bernstein, LeeAnne Kromhout, Alice Bonan 2017-1-19 1 San Luis Obispo Laguna Lake Park and Natural Reserve, Northeast of lake, in middle of field turned marsh southwest of mountains 43 Comment
  UCR115776  Briza maxima George K. Helmkamp, E. A. Helmkamp 2000-4-20 5387 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR118947  Briza maxima George K. Helmkamp, E. A. Helmkamp 1998-6-30 4222 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  SBBG118255  Briza minor E. Painter, M. Wetherwax, K. Downing 2002-5-8 SLO 250 San Luis Obispo Chumash Pk; Camp San Luis Obispo 160 Comment
  RSA43137  Brodiaea jolonensis Robert F. Hoover 1947-4-16 6935 San Luis Obispo West base of Mt Bishop near San Luis Obispo Comment
  UC454403  Brodiaea terrestris subsp. terrestris I. J. Condit 1910-5-14 San Luis Obispo Osos Valley Comment
  OBI75257  Bromus David J. Keil 2011-5-12 31008 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 304 Comment
  OBI80010  Bromus David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31371 San Luis Obispo San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. 447 Comment
  OBI79230  Bromus carinatus David J. Keil 2012-5-27 31357 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail Comment
  OBI80002  Bromus carinatus David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31383 San Luis Obispo San Luis Range (Irish Hills). Hibberd Preserve 399 Comment
  UCR161318  Bromus carinatus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9049 San Luis Obispo Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road 122 Comment
  OBI22376  Bromus catharticus Robert D. Page 1962-3-31 53 San Luis Obispo Near intersection of Foothill and Old Los Osos Valley rd Comment
  OBI31742  Bromus catharticus Smeltzer, Turnquist 1982-4-21 61 San Luis Obispo Collected from rear parking area along NE lake edge in Laguna Lake Park Comment
  OBI31743  Bromus catharticus Smeltzer, Turnquist 1982-5-19 146 San Luis Obispo Along the Laguna Lake paved road and the NE shoreline of lake Comment
  OBI28280  Bromus diandrus Rick Frelinger 1982-4-20 6 San Luis Obispo San Luis Creek between US Hwy 101 and lower Higuera St, San Luis Obispo Comment
  OBI31761  Bromus diandrus Turnquist, Smeltzer 1982-5-1 91 San Luis Obispo NE side of Laguna Lake park Comment
  OBI80949  Bromus diandrus Zoe Dascalos, Lindsey Ellenburg, Jake Williams, Alexis Martin, Maerill Ceballos 2015-4-24 4 San Luis Obispo Johnson Rach Open Space Comment
  OBI2590  Bromus hordeaceus Larry E. Brown 1971-4-1 1923 San Luis Obispo Perfumo Cyn near San Luis Obispo Comment
  OBI28220  Bromus hordeaceus Rick Frelinger 1982-4-20 16 San Luis Obispo San Luis Crk between US hwy 101 and lower Higuera St, San Luis Obispo Comment
  SBBG118253  Bromus hordeaceus E. Painter, M. Wetherwax, K. Downing 2002-5-8 SLO 252 San Luis Obispo E side of Chumash Pk shoulder, above Sherrif's Training Area; Camp San Luis Obispo 200 Comment
  OBI81308  Bromus madritensis David J. Keil, V. L. Holland 1988-4-26 20554 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. 135 Comment
  OBI59210  Bromus pseudolaevipes Michael Curto 2001-5-31 29526 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI79253  Bromus pseudolaevipes David J. Keil 2012-5-27 31356 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail Comment
  OBI80101  Bromus pseudolaevipes David J. Keil 2012-5-27 31360 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail Comment
  UCR266651  Bromus pseudolaevipes David J. Keil 2001-5-8 29424 San Luis Obispo Central Coast/South Coast Range, Prefumo Canyon, c. 2.5 mi from Los Osos Valley Road along Prefumo Canyon Road 183 Comment
  OBI2623  Bromus sitchensis Larry E. Brown 1971-4-4 1924 San Luis Obispo In Perfumo Cyn near San Luis Obispo Comment
  UC127316  Bromus trinii J. H. Barber 1899-4-23 San Luis Obispo at Paso Robles Paso Robles Comment
  OBI74999  Calandrinia ciliata David J. Keil 1988-3-19 20435 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  UCR161289  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 2005-3-8 9076 San Luis Obispo Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road 409 Comment
  OBI56319  Calendula officinalis David J. Keil 1999-5-19 28345 San Luis Obispo Along Foothill Road southwest of San Luis Obispo city limits. Comment
  OBI20939  Callitriche marginata Robert F. Hoover 1967-3-18 10251 San Luis Obispo Los Osos Valley Comment
  OBI75250  Calochortus argillosus David J. Keil 2011-5-12 31015 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 345 Comment
  OBI79296  Calochortus argillosus David J. Keil 2013-6-6 31789 San Luis Obispo San Luis Range. Upper Prefumo Canyon Road below housing area 380 Comment
  OBI81224  Calochortus argillosus David J. Keil, Malcom McLeod 1987-9-28 20351 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  OBI81312  Calochortus argillosus David J. Keil, Janet Haden 1988-5-24 20677 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  OBI83618  Calochortus argillosus Melissa Mooney 2016-5-17 1607 b San Luis Obispo Laguna Lake Park; City of San Luis Obispo 59 Comment
  OBI83619  Calochortus argillosus Melissa Mooney 2016-5-17 1607 San Luis Obispo Laguna Lake Park; City of San Luis Obispo 59 Comment
  OBI83621  Calochortus argillosus Melissa Mooney 2016-5-17 1607 San Luis Obispo Laguna Lake Park; City of San Luis Obispo 59 Comment
  RSA43138  Calochortus argillosus Robert F. Hoover 1947-5-12 7162 San Luis Obispo West base of Mount Bishop near San Luis Obispo Comment
  CAS-BOT-BC132361  Calochortus clavatus Mrs. R. W. Summers 1882-6-24 839 San Luis Obispo Los Osos Valley Comment
  CAS-BOT-BC132364  Calochortus clavatus Mrs. R. W. Summers 1882-6-24 839 San Luis Obispo Los Osos Valley Comment
  OBI81230  Calochortus clavatus David J. Keil, Malcom McLeod 1987-9-28 20350 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  OBI81311  Calochortus clavatus David J. Keil, Janet Haden 1988-5-24 20676 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  OBI44954  Calochortus clavatus var. clavatus David J. Keil 1979-7-1 13122 San Luis Obispo Ridge between Prefumo and See Cyns, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd Comment
  OBI58989  Calochortus clavatus var. clavatus David J. Keil 1998-6-23 27855 San Luis Obispo At Baldwin residence and on property to west of Baldwin property along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  UC2013236  Calochortus clavatus var. clavatus David Keil 1979-7-1 13122 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  UCR118371  Calochortus clavatus var. clavatus George K. Helmkamp, E. A. Helmkamp 1998-7-1 4255 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  UC52200  Calochortus luteus Mrs. R. W. Summers 1882-6-24 839 San Luis Obispo Los Osos Valley Comment
  OBI44868  Calochortus obispoensis David J. Keil 1979-7-1 13124 San Luis Obispo Ridge between Prefumo and See Cyns, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd Comment
  OBI81223  Calochortus obispoensis David J. Keil, Malcolm McLeod 1987-9-28 20352 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. 35 Comment
  SBBG96510  Calochortus obispoensis K. G. Jones 1978-6-10 San Luis Obispo hill E of Laguna Lake, across US Hwy 101, S of San Luis Obispo Comment
  SBBG48487  Calochortus venustus L. W. Edge 1974-6-10 452 San Luis Obispo upper Prefumo Cyn Comment
  OBI75066  Calystegia macrostegia David J. Keil 1988-3-19 20431 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  UCR118386  Calystegia macrostegia George K. Helmkamp, E. A. Helmkamp 1998-6-30 4221 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  CAS-BOT-BC221369  Calystegia macrostegia subsp. cyclostegia Alice Eastwood; John Thomas Howell 1938-6-14 5923 San Luis Obispo Prefumo Canyon Comment
  OBI15312  Calystegia macrostegia subsp. cyclostegia B. W. & T. W., T. W. 1967-4-4 s.n. San Luis Obispo Perfumo Canyon Comment
  UC1123615  Calystegia macrostegia subsp. cyclostegia H. C. Lee 1936-3-19 590 San Luis Obispo 2 mi n Miles; Arroyo Grande Quad., n of Miles Comment
  SD148182  Calystegia macrostegia subsp. intermedia G. K. Helmkamp, E. A. Helmkamp 2001-4-29 6598 San Luis Obispo Profumo Canyon Road, 2.8 miles west of Los Osos Valley Road. 91 Comment
  UCR134404  Calystegia macrostegia subsp. intermedia George K. Helmkamp, E. A. Helmkamp 2001-4-29 6598 San Luis Obispo Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo 91 Comment
  UCR161697  Calystegia macrostegia subsp. tenuifolia George K. Helmkamp, E. A. Helmkamp 2005-3-8 9058 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road 140 Comment
  OBI75056  Calystegia subacaulis David J. Keil 1988-3-19 20405 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI81329  Calystegia subacaulis David J. Keil, Janet Haden 1988-5-24 20681 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  UCR61741  Calystegia subacaulis George K. Helmkamp 1989-4-17 s.n. San Luis Obispo Irish Hills, at the crest of Prefumo Canyon Road 366 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
  OBI54323  Calystegia subacaulis subsp. episcopalis David J. Keil, V. L. Holland 1996-6-6 25881 San Luis Obispo Prefumo Cyn Homes project site along Prefumo Crk ca. 1/3 mi from Los Osos Valley rd Comment
  OBI54326  Calystegia subacaulis subsp. episcopalis David J. Keil 1996-6-7 25897 San Luis Obispo Laguna Lake Park, San Luis Obispo Comment
  OBI57541  Calystegia subacaulis subsp. episcopalis David J. Keil 1998-4-10 26681 San Luis Obispo At LeRoy Baldwin property, 2051 O'Connor Way, SW of San Luis Obispo. Comment
  OBI75245  Calystegia subacaulis subsp. episcopalis David J. Keil 2011-5-12 31020 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 333 Comment
  OBI15050  Cardamine californica Robert J. Rodin 1954-4-3 5948 San Luis Obispo E side of Bishop's peak, San Luis Obispo Comment
  OBI4259  Cardamine californica Janice Jacobs 1970-2-22 10 San Luis Obispo In Perfumo Cyn along roadside Comment
  OBI77645  Cardamine californica Ed Zimmerman 1966-4-8 8 San Luis Obispo Perfumo Cyn Comment
  UC1311636  Cardamine californica Robert J. Rodin 1954-4-3 5948 San Luis Obispo Bishop's Peak San Luis Obispo, Bishop's Peak Comment
  UCR103807  Cardamine californica George K. Helmkamp 1997-3-8 1450 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
  UCR161286  Cardamine californica var. cuneata George K. Helmkamp, E. A. Helmkamp 2005-3-8 9043 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills. 1.1 mi SW of Los Osos Valley Road along Prefumo Canyon Road 98 Comment
  SBBG117743  Cardamine californica var. integrifolia E. Painter, M. Wetherwax 2001-2-22 SLO 180 San Luis Obispo E side of saddle between Cerro Chumash and Cerro Romualdo; Camp San Luis Obispo 200 Comment
  UCR115574  Cardamine californica var. integrifolia George K. Helmkamp, E. A. Helmkamp 2000-4-20 5398 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR161301  Cardamine californica var. integrifolia George K. Helmkamp, E. A. Helmkamp 2005-3-9 9104 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive 186 Comment
  OBI82381  Cardamine hirsuta David J. Keil 2016-2-14 33457 San Luis Obispo Irish Hills Natural Preserve. Prefumo Canyon trailhead Comment
  OBI82377  Cardamine oligosperma David J. Keil 2016-2-20 33459 San Luis Obispo Prefumo Canyon Road between San Luis Obispo city limits and first bridge over Prefumo Canyon Creek Comment
  OBI28217  Carduus pycnocephalus Rick Frelinger 1982-4-10 11 San Luis Obispo San Luis Crk between US hwy 101 and lower Higuera St, San Luis Obispo Comment
  RSA643443  Carduus pycnocephalus R. D. Goeden, D. W. Ricker 1972-5-2 s.n. San Luis Obispo See Canyon Road, 4 miles north of San Luis Bay Rd., SW of San Luis Obispo 183 Comment
  SD143581  Carduus pycnocephalus R. D. Goeden, D. W. Ricker 1972-5-2 San Luis Obispo Irish Hills, See Canyon Road, 4 miles north of San Luis Bay Rd., southwest of San Luis Obispo 182 Comment
  UCD85584  Carduus pycnocephalus Daryl Koutnik 1978-6-19 528 San Luis Obispo San Luis Obispo County: Prefumo Canyon. 243 Comment
  UCD85856  Carduus pycnocephalus R. D. Goeden; D. W. Ricker 1972-5-2 s.n. San Luis Obispo San Luis Obisbo County: Irish Hills: See Canyon Road, 4 miles north of San Luis Bay Rd., SW of San Luis Obisbo. 183 Comment
  UCR109779  Carduus pycnocephalus R. D. Goeden, Don W. Ricker 1972-5-2 s.n. San Luis Obispo Irish Hills, See Canyon Road, 4 miles north of San Luis Bay Rd., SW of San Luis Obispo 183 Comment
  OBI79599  Carex globosa David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31382 San Luis Obispo San Luis Range (Irish Hills). Hibberd Preserve 399 Comment
  OBI79216  Carex gracilior David J. Keil 2012-5-27 31363 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail Comment
  OBI75098  Carex nudata Michael Walgren 2011-3-3 239 San Luis Obispo Perfumo Canyon. Adjacent to Perfumo Crk rd at a pullout 1.2 mi from Los Osos Valley rd Comment
  OBI78914  Carex nudata David J. Keil 1988-3-19 20440 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  SD244539  Carex nudata David Keil 1988-3-19 20440 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Flat grassland near Los Osos Valley Road plus dry channel of Froom Creek. 29 Comment
  UC2027532  Carex nudata David Keil 1988-3-19 20440 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  CAS-BOT-BC146579  Carex obispoensis Alice Eastwood; John Thomas Howell 1938-6-14 5931 San Luis Obispo Prefumo Canyon Comment
  GH424052  Carex obispoensis A. Eastwood & J. T. Howell 1938-6-14 5931 Unknown Prefumo Canyon Comment
  OBI75004  Carex praegracilis David J. Keil 1988-3-19 20441 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI81338  Carex praegracilis David J. Keil, Janet Haden 1988-5-24 20695 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  SEINET3929034  Carex praegracilis David Keil 1988-3-19 20441 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits.; 0 Comment
  OBI81314  Carex serratodens David J. Keil, Janet Haden 1988-5-24 20690 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  SD249083  Carex serratodens David J. Keil, Janet Haden 1988-5-24 20690 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on SW side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Near outflow from Froom Creek. 35 Comment
  OBI58892  Carex spissa David J. Keil 1998-1 San Luis Obispo Comment
  CDA6955  Carthamus lanatus Bob Lilley 1978-9-2 San Luis Obispo At end of Patricia Drive, foot of Bishop Peak, northern San Luis Obispo. 0 Comment
  CDA6996  Carthamus lanatus David J. Keil 1991-9-3 s.n. San Luis Obispo About 1/2 mile from San Luis Obispo city limits on Foothill Road. 0 Comment
  OBI66484  Carthamus lanatus David J. Keil 2005-6-25 30411 San Luis Obispo North slopes of Bishop Peak, San Luis Obispo open space Comment
  OBI71294  Carthamus lanatus David J. Keil 1991-9-30 s.n. San Luis Obispo About 1/2 mi from San Luis Obispo city limits on Foothill Rd Comment
  SBBG112532  Carthamus lanatus D. Keil 1991-9-30 San Luis Obispo Foothill Rd, ca. 0.5 mi from San Luis Obispo city limits Comment
  UC1747220  Carthamus lanatus David Keil 1991-9-30 San Luis Obispo about 1/2 mi from San Luis Obispo city limits on Foothill Road Comment
  OBI75063  Castilleja affinis David J. Keil 1988-3-19 20395 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  JEPS24100  Castilleja affinis subsp. affinis Ernest C. Twisselmann 1959-4-10 5029 San Luis Obispo See Canyon Irish Hills 106 Comment
  UCR134395  Castilleja affinis subsp. affinis George K. Helmkamp, E. A. Helmkamp 2001-4-29 6589 San Luis Obispo Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos 274 Comment
  OBI75051  Castilleja chromosa David J. Keil 1988-3-19 20421 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI31678  Castilleja densiflora subsp. obispoensis Turnquist, Smeltzer 1982-5-1 81 San Luis Obispo On the NE side of Laguna Lake Park Comment
  OBI75248  Castilleja densiflora subsp. obispoensis David J. Keil 2011-5-12 31017 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 345 Comment
  SBBG41459  Castilleja densiflora subsp. obispoensis D. Myrick 1971-4-6 2196 San Luis Obispo park at Laguna Lake, San Luis Obispo Comment
  SBBG46664  Castilleja densiflora subsp. obispoensis L. W. Edge 1973-4-9 267 San Luis Obispo near summit of Prefumo Cyn Rd Comment
  SD130339  Castilleja densiflora subsp. obispoensis George Helmkamp 1989-4-17 San Luis Obispo At the crest of Prefumo Canyon Road, Irish Hills 366 Comment
  UC454836  Castilleja densiflora subsp. obispoensis E. P. Unangst 1908-4-12 San Luis Obispo Perfumo Canyon Comment
  UCR122776  Castilleja densiflora subsp. obispoensis George K. Helmkamp, E. A. Helmkamp 1998-5-20 3888 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
  UCR103811  Castilleja foliolosa George K. Helmkamp 1997-3-8 1461 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
  UCR104782  Castilleja foliolosa George K. Helmkamp 1997-3-8 1460 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
  OBI70838  Caulanthus lasiophyllus David J. Keil 2009-4-21 30585 San Luis Obispo Prefumo Canyon Comment
  UC1953231  Caulanthus lasiophyllus David Keil 2009-4-21 30585 San Luis Obispo Perfumo Canyon. Comment
  UC1071086  Ceanothus crassifolius N. French 1936-1-31 705 San Luis Obispo head of Davis Canyon Port San Luis quad 457 Comment
  A349200  Ceanothus cuneatus A. Eastwood & J. T. Howell 1938-6-14 5290 Unknown Prefumo Canyon Comment
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Aug 2 2013
  CAS-BOT-BC49005  Ceanothus cuneatus Alice Eastwood; John Thomas Howell 1938-6-14 5920 San Luis Obispo Prefumo Canyon Comment
  CAS-BOT-BC49008  Ceanothus cuneatus R. F. Hoover 1947-1-26 6601 San Luis Obispo Osos Valley Comment
  OBI83457  Ceanothus cuneatus Drew Kenyon, Katie Felger, Meha Patel 2017-1-27 1 San Luis Obispo Irish Hills Natural Reserve, about a quarter mile from the trailhead along the Bog Thistle trail 125 Comment
  UCR97557  Ceanothus cuneatus George K. Helmkamp 1997-3-8 1444 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-BC64464  Ceanothus cuneatus subsp. fascicularis R. F. Hoover 1947-1-26 6601 San Luis Obispo Osos Valley. Comment
  UC1276282  Ceanothus cuneatus var. cuneatus R. F. Hoover 1947-1-26 6601 San Luis Obispo Osos Valley Comment
  OBI10369  Ceanothus cuneatus var. fascicularis Robert F. Hoover 1947-1-26 6601 San Luis Obispo Osos Valley Comment
  CAS-BOT-BC49078  Ceanothus cuneatus var. ramulosus D. O. Burge 2007-4-17 847 a San Luis Obispo Irish Hills Natural Reserve, on hill bordered to the north by Prefumo Canyon, and to the south by Froom Creek, accessed 310 Comment
  CAS-BOT-BC49121  Ceanothus cuneatus var. ramulosus R. F. Hoover 1947-1-26 6601 San Luis Obispo Osos Valley Comment
  RSA758518  Ceanothus cuneatus var. ramulosus Dylan O. Burge 2007-4-17 DOB 847 c San Luis Obispo Irish Hills Natural Reserve, on hill bordered to the north by Prefumo Canyon, and to the south by Froom Creek, accessed via foot trail, about 1.6 miles via Mariposa Trail and Morro View Trail., Parking at trail head 2.3 road miles northwest of Highway 101 via Osos Valley Road and Prefumo Canyon Road, 12.1 km 121 degrees true east-southeast of Los Osos. 310 Comment
  SBBG46743  Ceanothus cuneatus var. ramulosus L. W. Edge 1973-4-9 271 San Luis Obispo near upper part of Prefumo Cyn Comment
  UCD123597  Ceanothus cuneatus var. ramulosus D. O. Burge 2007-4-17 847 e San Luis Obispo San Luis Obispo Co: Irish Hills Natural Reserve, on hill bordered to the north by Prefumo Canyon, and to the south by Froom Creek, accessed via foot trail (~ 1.6 miles via Mariposa Trail and Morro View Trail), parking at trail head 2.3 road miles (3.7 km) northwest of Hwy 101 via Osos Valley Road and Prefumo Canyon Road, 12.1 km 121 deg. (True) ESE of Los Osos. 310 Comment
  UC569695  Ceanothus oliganthus var. sorediatus A. E. Wieslander 1935-2-24 532 San Luis Obispo Davis Canyon Port San Luis quad. 243 Comment
  CAS-BOT-BC50425  Ceanothus papillosus R. F. Hoover 1949-5-3 7656 San Luis Obispo Perfumo Canyon, San Luis Range Comment
  CAS-BOT-BC51236  Ceanothus papillosus Alice Eastwood 1939-4-18 18925 San Luis Obispo Perfumo Canyon Comment
  UC1071214  Ceanothus papillosus B. Bolt 1936-3-13 623 San Luis Obispo 1/2 mi sw of mouth Sycamore Canyon; San Luis Obispo Quad., sw of mouth Sycamore Canyon Comment
  UC1276291  Ceanothus papillosus R. F. Hoover 1949-5-3 7656 San Luis Obispo Perfumo Canyon San Luis Range, Perfumo Canyon Comment
  UC455335  Ceanothus papillosus California Polytechnic School Mar., 1905 48 San Luis Obispo Prefumo Canyon Comment
  RSA43178  Ceanothus ramulosus Robert F. Hoover 1947-1-26 6601 San Luis Obispo Osos Valley Comment
  CAS-BOT-BC63340  Ceanothus spinosus R. F. Hoover 1949-5-12 7665 San Luis Obispo Between Mt. Bishop and Cerro Romauldo. Comment
  CAS-BOT-BC63341  Ceanothus spinosus R. F. Hoover 1949-5-12 7665 San Luis Obispo Between Mt. Bishop and Cerro Romauldo. Comment
  OBI10343  Ceanothus spinosus Robert F. Hoover 1949-5-12 7665 San Luis Obispo Between Mt Bishop and Cerro Romauldo Comment
  OBI78701  Ceanothus spinosus Caylie Conley-Soon 2013-2-6 1 San Luis Obispo Perfumo Canyon Road, north side of road 2.2 miles from intersection with Los Osos Valley Road. 119 Comment
  UC1071376  Ceanothus spinosus C. M. Belshaw Apr 1936 1731 San Luis Obispo Davis Canyon San Luis Obispo Quad. Comment
  UC1071387  Ceanothus spinosus B. Bolt 1936-2-4 564 San Luis Obispo 1/2 mi s of mouth Sycamore Canyon; San Luis Obispo Quad. Comment
  UC1276854  Ceanothus spinosus R. F. Hoover 1949-5-12 7665 San Luis Obispo between Mt. Bishop and Cerro Romauldo; between Mt. Bishop and Cerro Romauldo Comment
  UC455421  Ceanothus spinosus California Polytechnic School 1906-1 11 San Luis Obispo Prefumo Canyon Comment
  UCD102216  Ceanothus spinosus Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-3-29 s.n. San Luis Obispo San Luis Obispo County: S. Luis Obispo. Prefumo Canyon. Prefumo Canyon Road. 105 Comment
  UCR161306  Ceanothus spinosus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9047 San Luis Obispo Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road 122 Comment
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Sep 27 2014
  OBI66481  Centaurea calcitrapa David J. Keil 2005-6-25 30413 San Luis Obispo North slopes of Bishop Peak, San Luis Obispo open space Comment
  UCSB39880  Centaurea calcitrapa Shaw, J. 1982-7-1 San Luis Obispo At intersection of Foothill Road and Los Osos Valley Road in San Luis Obispo 30 Comment
  SD148254  Centaurea iberica G. K. Helmkamp, E. A. Helmkamp 2000-9-2 5971 San Luis Obispo Irish Hills; Profumo Canyon, 2.2 miles west of Los Osos Valley Road. 136 Comment
  UCR118345  Centaurea iberica George K. Helmkamp, E. A. Helmkamp 2000-9-2 5971 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  UCR118379  Centaurea iberica George K. Helmkamp, E. A. Helmkamp 1998-7-1 4244 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  UCR161288  Centaurea iberica George K. Helmkamp, E. A. Helmkamp 2005-3-8 9075 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  UCR91805  Centaurea iberica George K. Helmkamp 1996-5-27 1107 San Luis Obispo Central Coast, west side of San Luis Obispo, south-facing slope of Bishop Peak 280 Comment
  OBI26287  Centaurea solstitialis Mark E. Schneider 1974-8-13 s.n. San Luis Obispo US 101 S of SLO. S, just before Higuera ramp Comment
  RSA659431  Centaurium davyi David J. Keil 1979-7-1 13127 San Luis Obispo Ridge between Prefumo and See Canyons. About five miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  UC456204  Centaurium davyi E. P. Unangst 1906-5-13 San Luis Obispo Perfumo Canyon Comment
  OBI6211  Centranthus ruber Shirley Vaughan 1974-6-1 19 San Luis Obispo Foothill Blvd, San Luis Obispo; on bank near rd Comment
  OBI8708  Centranthus ruber Douglas Skilling 1968-11-19 6 San Luis Obispo Foothill Blvd, San Luis Obispo; on bank near rd Comment
  CAS-BOT-BC288656  Centromadia fitchii R. W. Summers No date on label 450 San Luis Obispo Los Osos Valley Comment
  CAS-BOT-BC288669  Centromadia fitchii R. W. S. 1882-8-26 s.n. San Luis Obispo Los Osos Valley Comment
  CAS-BOT-BC272799  Centromadia parryi subsp. congdonii R. F. Hoover 1965-8-1 9499 San Luis Obispo Valley west of Mt. Bishop Comment
  CAS-BOT-BC272800  Centromadia parryi subsp. congdonii R. F. Hoover 1965-8-1 9499 San Luis Obispo Valley west of Mt. Bishop Comment
  CAS-BOT-BC272801  Centromadia parryi subsp. congdonii R. F. Hoover 1969-8-15 11545 San Luis Obispo Valley west of Mt. Bishop Comment
  OBI16176  Centromadia parryi subsp. congdonii Robert F. Hoover 1965-8-1 9499 San Luis Obispo Valley W of Mt. Bishop Comment
  OBI16185  Centromadia parryi subsp. congdonii Robert F. Hoover 1969-8-15 11545 San Luis Obispo Valley W of Mt. Bishop Comment
  OBI31626  Centromadia parryi subsp. congdonii Turnquist, Smeltzer 1982-7-23 174 San Luis Obispo Laguna Lake Park Comment
  OBI54302  Centromadia parryi subsp. congdonii David J. Keil 1996-5-24 25872 San Luis Obispo Laguna Lake Park, SLO. Comment
  OBI54325  Centromadia parryi subsp. congdonii David J. Keil 1996-6-25 25915 San Luis Obispo Laguna Lake Park and vicinity Comment
  OBI66541  Centromadia parryi subsp. congdonii David J. Keil 1997-6-16 26309 San Luis Obispo SW corner of Los Osos Valley Road and Madonna rd, SLO. Comment
  UC1285165  Centromadia parryi subsp. congdonii R. F. Hoover 1965-8-1 9499 San Luis Obispo valley w Mt. Bishop Comment
  UC1392617  Centromadia parryi subsp. congdonii R. F. Hoover 1969-8-15 11545 San Luis Obispo valley w Mt. Bishop Comment
  UC455692  Centromadia parryi subsp. congdonii I. J. Condit 1908-10-3 San Luis Obispo Laguna Comment
  UC481019  Centromadia parryi subsp. congdonii Miss R. R. Reed 1917-8-1 3 San Luis Obispo Los Osos Valley Comment
  UC456226  Ceratophyllum demersum I. J. Condit 1908-10-3 San Luis Obispo Laguna , San Luis Obispo (San Luis Obispo) Comment
  OBI20378  Cercocarpus betuloides David J. Keil 1979-4-28 s.n. San Luis Obispo Prefumo Cyn Comment
  UCR115438  Cercocarpus betuloides George K. Helmkamp, E. A. Helmkamp 2000-4-20 5382 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UC453982  Cercocarpus betuloides var. betuloides E. P. Unangst 1908-4-12 San Luis Obispo Perfumo Canyon Comment
  OBI82429  Chenopodium album David J. Keil 2015-9-25 33413 San Luis Obispo Outside city limits of San Luis Obispo along Los Osos Valley Road between Diablo Drive and Foothill Road 43 Comment
  UC1969515  Chenopodium album David Keil 1999-5-19 28346 San Luis Obispo Field at northeastern corner of intersection of Los Osos Valley Road and Foothill Road near San Luis Obispo city limits. Comment
  UCR247974  Chenopodium album David J. Keil 1999-5-19 28346 San Luis Obispo Northeastern corner of intersection of Los Osos Valley Road and Foothill Road near San Luis Obispo city limits 45 Comment
  UCR42923  Chenopodium ambrosioides David J. Keil 1977-8-7 12484 San Luis Obispo Central Coast, San Luis Obispo at Laguna Lake 37 Comment
  OBI82353  Chenopodium chenopodioides David J. Keil 2015-9-24 33411 San Luis Obispo San Luis Obispo. Dry bed of Laguna Lake 35 Comment
  OBI82350  Chenopodium macrospermum David J. Keil 2015-9-23 33410 San Luis Obispo San Luis Obispo. Dry bed of Laguna Lake 35 Comment
  OBI82355  Chenopodium rubrum David J. Keil 2015-9-23 33409 San Luis Obispo San Luis Obispo. Dry bed of Laguna Lake 35 Comment
  OBI82461  Chenopodium strictum David Keil 2015-9-25 33414 San Luis Obispo Outside city limits of San Luis Obispo along Los Osos Valley Road between Diablo Drive and Foothill Road 43 Comment
  OBI31722  Chlorogalum pomeridianum Turnquist, Smeltzer 1982-6-16 154 San Luis Obispo Laguna Lake Park Comment
  OBI44864  Chlorogalum pomeridianum David J. Keil 1979-7-1 13130 San Luis Obispo ridge between prefumo and See cyns. About 5 mi from jctn of Los Osos Valley rd and Prefumo cyn Rd Comment
  OBI59657  Chlorogalum pomeridianum David J. Keil, with Jill Bushakra 2001-6-14 29556 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI81207  Chlorogalum pomeridianum Zoe Dascalos, Lindsey Ellenburg, Jake Williams, Alexis Martin, Maerill Ceballos 2015-4-24 10 San Luis Obispo Johnson Rach Open Space Comment
  UC2013305  Chlorogalum pomeridianum David Keil 1979-7-1 13130 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  OBI58986  Chlorogalum pomeridianum var. minus David J. Keil 1998-7-2 27913 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  RSA659433  Chlorogalum pomeridianum var. minus David J. Keil 1979-7-1 13130 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  UCD138446  Chlorogalum pomeridianum var. pomeridianum David Keil; Jill Bushakra 2001-6-14 29556 San Luis Obispo San Luis Obispo County: San Luis Range, between Prefumo Canyon and See Canyon. Comment
  UCD138447  Chlorogalum pomeridianum var. pomeridianum David Keil; Jill Bushakra 2001-6-14 29556 San Luis Obispo San Luis Obispo County: San Luis Range, between Prefumo Canyon and See Canyon. 800 Comment
  OBI27368  Chondrilla juncea Robert L. Allen Jan-82 A 500 San Luis Obispo San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13 Comment
  OBI27369  Chondrilla juncea Robert L. Allen Jan-82 A 500 San Luis Obispo San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13 Comment
  OBI27370  Chondrilla juncea Robert L. Allen Jan-82 A 500 San Luis Obispo San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13 Comment
  OBI27371  Chondrilla juncea Robert L. Allen Jan-82 A 500 San Luis Obispo San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13 Comment
  OBI27372  Chondrilla juncea Robert L. Allen Jan-82 A 500 San Luis Obispo San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13 Comment
  OBI27373  Chondrilla juncea Robert L. Allen Jan-78 A 500 San Luis Obispo San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13 Comment
  UCD99646  Chorizanthe biloba var. biloba Daryl Koutnik 1978-6-19 533 San Luis Obispo San Luis Obispo County: West of Cerro Romauldo along Chorro Creek. 304 Comment
  JEPS90488  Chorizanthe breweri Dean W. Taylor 1994-5-26 14389 San Luis Obispo directly behind & w. from Madonna Inn San Luis Obispo; S. Coast Ranges, San Luis Obispo <7 1/4> Quad.(1979) 67 Comment
  OBI54244  Chorizanthe breweri David J. Keil, V. L. Holland 1996-6-6 25885 San Luis Obispo Prefumo Cyn Homes project site along Prefumo Crk ca. 1/3 mi from Los Osos Valley rd Comment
  OBI75247  Chorizanthe breweri David J. Keil 2011-5-12 31018 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 353 Comment
  OBI81309  Chorizanthe breweri David J. Keil, V. L. Holland 1988-4-26 20553 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  OBI81333  Chorizanthe breweri David J. Keil, Janet Haden 1988-5-24 20685 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  UCD99661  Chorizanthe breweri Daryl Koutnik 1978-6-19 524 San Luis Obispo San Luis Obispo County: Prefumo Canyon. 243 Comment
  UCR87844  Chorizanthe leptotheca George K. Helmkamp, E. A. Helmkamp 1995-6-20 95-2- 22 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  OBI44856  Chorizanthe palmeri David J. Keil 1979-7-1 13139 San Luis Obispo Ridge between Prefumo Cyn and See Canyon. About 5 mi from jctn of Los Osos valley rd and Prefumo Cyn rd Comment
  OBI58472  Chorizanthe palmeri David J. Keil 1998-7-2 27912 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  UC2013234  Chorizanthe palmeri David Keil 1979-7-1 13139 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  UC454071  Chorizanthe palmeri Roadhouse 413 San Luis Obispo Prefumo Canyon Comment
  UCR118370  Chorizanthe palmeri George K. Helmkamp, E. A. Helmkamp 1998-7-1 4256 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  UCD99960  Chorizanthe staticoides G. K. Helmkamp; E. A. Helmkamp 2001-4-29 6561 San Luis Obispo San Luis Obispo County: Irish Hills: Clark Valley Rd., 2.8 mi S of Los Osos Valley Rd (E of Los Osos). 91 Comment
  UCR122469  Chorizanthe staticoides George K. Helmkamp, E. A. Helmkamp 1998-5-20 3899 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
  JEPS90485  Chorizanthe ventricosa Dean W. Taylor 1994-5-26 14387 San Luis Obispo directly behind & w. from Madonna Inn San Luis Obispo; S. Coast Ranges, San Luis Obispo <7 1/4> Quad.(1979) 67 Comment
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Jun 25 2019
  OBI79600  Chrysolepis chrysophylla David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31375 San Luis Obispo San Luis Range (Irish Hills). Ruda Road 478 Comment
  OBI82351  Chrysolepis chrysophylla David J. Keil, Matt Ritter, Jenn Yost, Brett Hall, et al. 2016-2-6 33442 San Luis Obispo Upper See Canyon 415 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
  OBI77791  Cichorium intybus Smeltzer, Turnquist 1982-7-28 201 San Luis Obispo Along the N foot trl in Laguna Lake Park Comment
  CAS-BOT-BC100949  Cirsium fontinale var. obispoense Alice Eastwood; John Thomas Howell 1938-6-14 5917 San Luis Obispo Prefumo Canyon, San Luis Range Comment
  CAS-BOT-BC100952  Cirsium fontinale var. obispoense Alice Eastwood; John Thomas Howell 1938-6-14 5917 San Luis Obispo Prefumo Canyon Comment
  CAS-BOT-BC100954  Cirsium fontinale var. obispoense Alice Eastwood; John Thomas Howell 1938-6-14 5917 San Luis Obispo Prefumo Canyon Comment
  CDA1232  Cirsium fontinale var. obispoense T. C. Fuller 1962-7-19 9241 -A San Luis Obispo About 6 miles s.w. of San Luis Obispo; Prefumo Canyon Rd. 1.7 mi. w. of junct. with Los Osos Valley Rd. Comment
  CDA1233  Cirsium fontinale var. obispoense T. C. Fuller 1962-7-19 9241 -B San Luis Obispo About 6 miles s.w. of San Luis Obispo; Prefumo Canyon Rd. 1.7 mi. w. of junct. with Los Osos Valley Rd. Comment
  CDA1234  Cirsium fontinale var. obispoense T. C. Fuller 1962-7-19 9241 -C San Luis Obispo About 6 miles s.w. of San Luis Obispo; Prefumo Canyon Rd. 1.7 mi. w. of junct. with Los Osos Valley Rd. Comment
  CDA1235  Cirsium fontinale var. obispoense T. C. Fuller 1962-7-19 9241 -D San Luis Obispo About 6 miles s.w. of San Luis Obispo; Prefumo Canyon Rd. 1.7 mi. w. of junct. with Los Osos Valley Rd. Comment
  CDA18937  Cirsium fontinale var. obispoense B. Villegas 1999-6-16 990055 San Luis Obispo Central Coast Ranges; Laguna Ranch, near Laguna Lake Park, San Luis Obispo. 80 Comment
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Oct 26 2014
  GH427966  Cirsium fontinale var. obispoense A. Eastwood & J. T. Howell 1938-6-14 5917 Unknown Prefumo Canyon Comment
  OBI25251  Cirsium fontinale var. obispoense David J. Keil 1977-1 San Luis Obispo Comment
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Mar 9 2017
  OBI25252  Cirsium fontinale var. obispoense David J. Keil 1977-1 San Luis Obispo Comment
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Mar 9 2017
  OBI59654  Cirsium fontinale var. obispoense David J. Keil, with Jill Bushakra 2001-1 San Luis Obispo Comment
  RSA26271  Cirsium fontinale var. obispoense Alice Eastwood, John Thomas Howell 1938-6-14 5917 San Luis Obispo Prefumo Canyon. Comment
  SBBG125305  Cirsium fontinale var. obispoense M. A. Elvin with N. Huber 2006-3-30 4626 San Luis Obispo N-side of Laguna Lake, at base of hill 61 Comment
  SBBG133326  Cirsium fontinale var. obispoense H. Schneider 2016-6-27 12 San Luis Obispo Laguna Lake Nature Reserve 50 Comment
  SBBG133420  Cirsium fontinale var. obispoense H. Schneider, B. Hill 2016-7-25 11 San Luis Obispo cuts on side of Perfumo Cyn Rd 95 Comment
  UC1583848  Cirsium fontinale var. obispoense David Keil 1977-8-22 12520 San Luis Obispo Prefumo Canyon San Luis Range Comment
  UC592630  Cirsium fontinale var. obispoense Alice Eastwood and John Thomas Howell 1938-6-14 5917 San Luis Obispo Prefumo Canyon San Luis Range Comment
  UCR28904  Cirsium fontinale var. obispoense Dayna Rocco 1981-5-17 s.n. San Luis Obispo Laguna Lake Park. 38 Comment
  UCR67937  Cirsium fontinale var. obispoense David J. Keil 1977-8-22 12520 San Luis Obispo San Luis Range, Prefumo Canyon 150 Comment
  OBI58529  Clarkia affinis David J. Keil 1998-6-23 27858 San Luis Obispo At Baldwin residence and on property to west of Baldwin property along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI70794  Clarkia affinis David J. Keil, with Kathleen A. Keil 2009-5-12 30607 San Luis Obispo San Luis Obispo. Bishop Peak Open Space. Felsman Loop Trail Comment
  CAS-BOT-BC172278  Clarkia bottae John Thomas Howell; Alice Eastwood 1938-6-14 5935 San Luis Obispo Prefumo Canyon Comment
  UC454549  Clarkia bottae E. P. Unangst 1906-5-30 San Luis Obispo Prefumo Canyon San Luis Obispo Comment
  UCD104366  Clarkia bottae Daryl Koutnik 1978-6-19 525 San Luis Obispo San Luis Obispo County: Prefumo Canyon. 243 Comment
  UCR118384  Clarkia bottae George K. Helmkamp, E. A. Helmkamp 1998-6-30 4237 San Luis Obispo Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd. 198 Comment
  UCR118381  Clarkia davyi George K. Helmkamp, E. A. Helmkamp 1998-7-1 4242 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  UCR88342  Clarkia speciosa subsp. immaculata George K. Helmkamp 1995-6-20 95-2- 40 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  OBI12079  Clarkia unguiculata R. D. Brister 1966-5-6 81 San Luis Obispo In Perfumo Cyn near SLO Comment
  OBI78296  Claytonia exigua subsp. exigua David J. Keil 1979-4-19 13059 San Luis Obispo Upper Prefumo Cyn rd Comment
  SBBG46833  Claytonia exigua subsp. exigua L. W. Edge 1973-4-9 266 San Luis Obispo near summit of See Cyn Rd Comment
  SBBG54832  Claytonia exigua subsp. exigua D. Keil 1979-4-19 13059 San Luis Obispo upper Prefumo Cyn Rd Comment
  UCR103801  Claytonia perfoliata George K. Helmkamp 1997-3-8 1456 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
  OBI78301  Claytonia perfoliata subsp. mexicana Ed Zimmerman 1966-4-8 2 San Luis Obispo Perfumo Cyn Comment
  UC454257  Claytonia perfoliata subsp. perfoliata E. P. Unangst 1908-4-12 San Luis Obispo Prefumo Canyon Comment
  UCR161307  Claytonia perfoliata subsp. perfoliata George K. Helmkamp, E. A. Helmkamp 2005-3-8 9046 San Luis Obispo Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road 122 Comment
  OBI80455  Clematis lasiantha Sandra Gonzalez, Zach Rose 2015-3-2 3 San Luis Obispo Bishop's Peak trail, about a third of the way up, just uphill of the edge of woodland community. 3 Comment
  RSA647823  Collinsia heterophylla Charles D. Dunn 1972-4-15 s.n. San Luis Obispo Perfumo Canyon 61 Comment
  UCD123598  Collinsia heterophylla Daryl Koutnik 1978-6-19 536 San Luis Obispo San Luis Obispo County: west of Cerro Romauldo along Chorro Creek. 304 Comment
  UCR115577  Collinsia heterophylla George K. Helmkamp, E. A. Helmkamp 2000-4-20 5403 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR118387  Collinsia heterophylla George K. Helmkamp, E. A. Helmkamp 1998-6-30 4220 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  UCD123540  Collinsia heterophylla var. heterophylla G. K. Helmkamp; E. A. Helmkamp 2001-4-29 6593 San Luis Obispo San Luis Obispo County: Irish Hills: Profumo Canyon Road, 2.8 miles west of Los Osos Valley Road (SW of San Luis Obispo.) 91 Comment
  UCR134399  Collinsia heterophylla var. heterophylla George K. Helmkamp, E. A. Helmkamp 2001-4-29 6593 San Luis Obispo Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo 91 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
  UC1928038  Conyza bonariensis David Keil 2008-8-30 30560 San Luis Obispo San Luis Obispo. Behind Home Depot store along south side of Froom Ranch Way. 35 15'02.40''N x 120 41'26.73''W 43 Comment
  UC1928006  Conyza canadensis David Keil 2008-8-30 30561 San Luis Obispo San Luis Obispo. Behind Home Depot store along south side of Froom Ranch Way. 35 15'02.40''N x 120 41'26.73''W 43 Comment
  CAS-BOT-BC101411  Corethrogyne filaginifolia R. F. Hoover 1946-8-3 6259 San Luis Obispo Perfumo Canyon, San Luis Range Comment
  CAS-BOT-BC101449  Corethrogyne filaginifolia R. F. Hoover 1946-8-3 6259 San Luis Obispo Perfumo Canyon, San Luis Range Comment
  OBI16653  Corethrogyne filaginifolia Robert F. Hoover 1946-8-3 6259 San Luis Obispo Perfumo Cyn, San Luis range Comment
  UC1285365  Corethrogyne filaginifolia R. F. Hoover 1946-8-3 6259 San Luis Obispo Perfumo Canyon San Luis Range Comment
  CAS-BOT-BC210346  Cornus sericea Ernest C. Twisselmann 1959-4-10 5038 San Luis Obispo Irish Hills: Perfumo Canyon 106 Comment
  CAS-BOT-BC210467  Cornus sericea subsp. occidentalis Ernest C. Twisselmann 1959-4-10 5038 San Luis Obispo Irish Hills: Perfumo Canyon 106 Comment
  UCD117329  Cornus sericea subsp. occidentalis G. K. Helmkamp; E. A. Helmkamp 2000-4-20 5398 A San Luis Obispo San Luis Obispo County: Central Coast: Prefumo Cyn., 1.2 mi S of Los Osos Valley Rd. 183 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
  UCR122468  Cornus sericea subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 1998-5-20 4009 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
  UC1953324  Cotoneaster pannosus David Keil 2009-3-1 30566 San Luis Obispo Perfumo Canyon Road west of San Luis Obispo city limits. Comment
  UC1119277  Cotula coronopifolia P. L. Johannsen 1936-3-22 725 San Luis Obispo 1 mi nw Cerro San Luis Obispo; San Luis Obispo Quad. Comment
  OBI14413  Croton californicus Robert F. Hoover 1963-7-30 8585 San Luis Obispo Los Osos Valley Comment
  OBI59364  Cryptantha clevelandii David J. Keil 2001-5-31 29530 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI74996  Cryptantha clevelandii David J. Keil 1988-3-19 20428 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI80958  Cryptantha clevelandii Brooke Began, Tara Henderson, Kevin McManus, Rachel Martin adn Shania Cheng 2015-4-26 1 San Luis Obispo Laguna Lake Park, about 500 yards from teh parkign lot. Northeast on teh Allen K. Settle trail. Found at teh base of west facing hill next to the trail directly across from teh first phone 38 Comment
  OBI81213  Cryptantha clevelandii Zoe Dascalos, Lindsey Ellenburg, Jake Williams, Alexis Martin, Maerill Ceballos 2015-4-24 9 San Luis Obispo Johnson Rach Open Space Comment
  SEINET3929039  Cryptantha clevelandii David Keil 1988-3-19 20428 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits.; 0 30 Comment
  UC2027242  Cryptantha clevelandii David Keil 1988-3-19 20428 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  UCD119630  Cryptantha clevelandii G. K. Helmkamp; E. A. Helmkamp 2001-4-29 6596 San Luis Obispo San Luis Obispo County: Irish Hills Prefumo Cyn Rd., 2.8 mi west of Los Osos Valley Rd., SW of San Luis Obispo. 91 Comment
  UCR115583  Cryptantha clevelandii George K. Helmkamp, E. A. Helmkamp 2000-4-20 5411 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  UCR134402  Cryptantha clevelandii George K. Helmkamp, E. A. Helmkamp 2001-4-29 6596 San Luis Obispo Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo 91 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
  UC1925856  Cuscuta David Keil 1996-6-25 25913 San Luis Obispo Laguna Lake Park and vicinity, San Luis Obispo. Comment
  UC1969517  Cuscuta David Keil 2001-8-24 29720 San Luis Obispo Foothill Road, 0.25 miles NNE of junction with Los Osos Valley Road. Comment
  SBBG124208  Cuscuta campestris D. Keil 2001-8-24 29720 San Luis Obispo Foothill Rd, 0.25 mi NNE of jct with Los Osos Valley Rd 38 Comment
  OBI57731  Cuscuta occidentalis David J. Keil 1998-7-2 27902 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI57734  Cuscuta occidentalis David J. Keil, with Kathleen A. Keil 1998-5-29 27539 San Luis Obispo Serpentine hills S of Bishop Peak at 2051 O'Connor Way. W of San Luis Obispo. Comment
  SD249192  Cuscuta occidentalis David Keil, Janet Haden 1988-5-24 20674 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. 35 Comment
  RSA769929  Cuscuta pentagona David J. Keil 2001-8-24 29720 San Luis Obispo Foothill Road, 0.25 miles north-northeast of junction with Los Osos Valley Road 38 Comment
  UC456000  Cuscuta subinclusa E. P. Unangst 1906-1 San Luis Obispo Perfumo Canon Comment
  SBBG112398  Cynara cardunculus D. Keil 1991-8-20 22551 San Luis Obispo Turri Rd, 1 mi from jct with Los Osos Valley Rd Comment
  OBI43381  Cynodon dactylon Eric Wise 1982-6-24 1540 San Luis Obispo S shore of Laguna Lake, SLO Comment
  OBI20822  Cynoglossum grande Robert F. Hoover 1949-5-3 7657 San Luis Obispo Summit at head of See Cyn, San Luis Range Comment
  OBI70206  Cynoglossum grande David J. Keil 2009-3-22 30569 San Luis Obispo Upper See Canyon Road Comment
  OBI72017  Cynoglossum grande Michael Walgren 2010-2-1 69 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See Cyn rd 335 Comment
  UC1284986  Cynoglossum grande R. F. Hoover 1949-5-3 7657 San Luis Obispo summit at head of Lee Canyon; San Luis Range, Lee Canyon Comment
  UC454117  Cynoglossum grande unknown Apr., 1905 30 San Luis Obispo Prefumo Canyon Comment
  UC2013171  Cyperus alternifolius David Keil 1979-7-1 13109 San Luis Obispo San Luis Range, lower Prefumo Canyon. Comment
  CAS-BOT-BC114466  Cyperus eragrostis R. F. Hoover 1969-8-25 11561 San Luis Obispo Laguna de San Luis Obispo. Comment
  OBI17016  Cyperus eragrostis Robert F. Hoover 1969-8-25 11561 San Luis Obispo Laguna de San Luis Obispo Comment
  OBI31754  Cyperus eragrostis Smeltzer, Turnquist 1982-5-19 139 San Luis Obispo Along the Laguna Lake paved rd and the NE shoreline of lake Comment
  UC2013170  Cyperus eragrostis David Keil 1979-7-1 13110 San Luis Obispo San Luis Range, lower Prefumo Canyon. Comment
  CAS-BOT-BC114797  Cyperus involucratus G. Helmkamp; E. A. Helmkamp 2000-9-2 5968 San Luis Obispo Irish Hills: Profumo Canyon, 2.2 mi W of Los Osos Valley Rd.. 137 Comment
  UCR118340  Cyperus involucratus George K. Helmkamp, E. A. Helmkamp 2000-9-2 5968 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  OBI75253  Danthonia californica David J. Keil 2011-5-12 31012 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 357 Comment
  RSA779035  Danthonia californica David J. Keil 2011-5-12 31012 San Luis Obispo San Luis Range. Irish Hills. Madona-Twisselmann Ranch, accessed from Prefumo Canyon Road 357 Comment
  CDA43360  Datura stramonium David J. Keil 2012-7-14 31405 San Luis Obispo South of San Luis Obispo on South Higuera Street Hayfield between Clover Ridge Lane and San Luis Creek Comment
  OBI79746  Datura stramonium David J. Keil 2012-7-14 31405 San Luis Obispo South of San Luis Obispo on South Higuera Street Hayfield between Clover Ridge Lane and San Luis Creek 19 Comment
  SBBG130680  Datura stramonium D. J. Keil 2012-7-14 31405 San Luis Obispo S of San Luis Obispo on S Higuera St Hayfield between Clover Ridge Lane and San Luis Crk 19 Comment
  OBI56325  Daucus carota David J. Keil 1998-9-16 28124 San Luis Obispo Intersection of Madonna Rd and Los Osos Valley rd at outskirts of San Luis Obispo Comment
  OBI16275  Deinandra corymbosa Robert F. Hoover 1965-10-1 9707 San Luis Obispo Los Osos Valley Comment
  OBI16276  Deinandra corymbosa Robert F. Hoover 1947-8-10 7367 San Luis Obispo Osos Valley Comment
  OBI16277  Deinandra corymbosa Robert F. Hoover 1947-8-10 7367 San Luis Obispo Osos Valley Comment
  OBI16278  Deinandra corymbosa Robert F. Hoover 1947-8-10 7367 San Luis Obispo Osos Valley Comment
  OBI16286  Deinandra corymbosa Robert F. Hoover 1969-8-15 11549 San Luis Obispo Los Osos Valley Comment
  SBBG34818  Deinandra corymbosa Mrs. R. W. Summers -Jun-1884 San Luis Obispo Los Osos Valley Comment
  SBBG34829  Deinandra corymbosa Mrs. R. W. Summers -Aug-1884 San Luis Obispo Los Osos Valley Comment
  UC1392631  Deinandra corymbosa R. F. Hoover 1969-8-15 11549 San Luis Obispo Los Osos Valley Comment
  UC53966  Deinandra corymbosa Mrs. R. W. Summers June 1882 448 San Luis Obispo Los Osos Valley Comment
  CAS-BOT-BC299157  Deinandra corymbosa subsp. corymbosa R. F. Hoover 1947-8-10 7367 San Luis Obispo Osos Valley Comment
  CAS-BOT-BC299158  Deinandra corymbosa subsp. corymbosa R. F. Hoover 1947-8-10 7367 San Luis Obispo Osos Valley Comment
  CAS-BOT-BC299185  Deinandra corymbosa subsp. corymbosa R. F. Hoover 1969-8-15 11549 San Luis Obispo Los Osos Valley Comment
  CAS-BOT-BC293911  Deinandra fasciculata R. F. Hoover 1969-8-25 11563 San Luis Obispo Laguna de San Luis Obispo Comment
  CAS-BOT-BC293917  Deinandra fasciculata R. F. Hoover 1947-5-27 7226 San Luis Obispo Between San Luis Mt. and Mt. Bishop near San Luis Obispo Comment
  OBI16268  Deinandra fasciculata Robert F. Hoover 1947-5-27 7226 San Luis Obispo Between San Luis mt and Mt Bishop near San Luis Obispo Comment
  OBI16272  Deinandra fasciculata Robert F. Hoover 1969-8-25 11563 San Luis Obispo Laguna de San Luis Obispo Comment
  OBI16274  Deinandra fasciculata Robert F. Hoover 1947-5-27 7226 San Luis Obispo Between San Luis mt and Mt Bishop near San Luis Obispo Comment
  OBI31630  Deinandra fasciculata Turnquist, Smeltzer 1982-7-23 192 San Luis Obispo To the N of Laguna Lake Park Comment
  OBI49635  Deinandra fasciculata David J. Keil 1989-5-3 21206 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
  OBI81307  Deinandra fasciculata David J. Keil, V. L. Holland 1988-4-26 20556 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. 135 Comment
  UCR87683  Deinandra fasciculata George K. Helmkamp, E. A. Helmkamp 1995-6-20 95- 2 -34 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
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Jan 8 2013
  CAS-BOT-BC299351  Deinandra increscens subsp. increscens R. F. Hoover 1965-8-1 9497 San Luis Obispo Valley west of Mt. Bishop Comment
  CAS-BOT-BC299352  Deinandra increscens subsp. increscens R. F. Hoover 1965-8-1 9497 San Luis Obispo Valley west of Mt. Bishop Comment
  CAS-BOT-BC299355  Deinandra increscens subsp. increscens R. F. Hoover 1947-8-10 7366 San Luis Obispo Osos Valley Comment
  CAS-BOT-BC299356  Deinandra increscens subsp. increscens R. F. Hoover 1947-8-10 7366 San Luis Obispo Osos Valley Comment
  CAS-BOT-BC299379  Deinandra increscens subsp. increscens R. F. Hoover 1969-8-15 11544 San Luis Obispo Valley west of Mt. Bishop Comment
  OBI16146  Deinandra increscens subsp. increscens Robert F. Hoover 1965-8-1 9497 San Luis Obispo Valley W of Mt. Bishop Comment
  OBI16150  Deinandra increscens subsp. increscens Robert F. Hoover 1969-8-15 11544 San Luis Obispo Valley W of Mt. Bishop Comment
  OBI16162  Deinandra increscens subsp. increscens Robert F. Hoover 1947-8-10 7366 San Luis Obispo Osos Valley Comment
  OBI16167  Deinandra increscens subsp. increscens Robert F. Hoover 1947-8-10 7366 San Luis Obispo Osos Valley Comment
  UC1285166  Deinandra increscens subsp. increscens R. F. Hoover 1965-8-1 9497 San Luis Obispo valley w Mt. Bishop Comment
  UC1285385  Deinandra increscens subsp. increscens R. F. Hoover 1947-8-10 7366 San Luis Obispo Osos Valley Comment
  UC1392635  Deinandra increscens subsp. increscens R. F. Hoover 1969-8-15 11544 San Luis Obispo valley w Mt. Bishop Comment
  SBBG40545  Deinandra paniculata R. F. Hoover 1969-8-15 11544 San Luis Obispo valley W of Mt Bishop Comment
  OBI75261  Delphinium californicum David J. Keil 2011-5-12 31004 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 147 Comment
  OBI75246  Delphinium parryi David J. Keil 2011-5-12 31019 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 333 Comment
  OBI81306  Delphinium parryi Karis Russell, Ari Burton, Chris Codding, Ryan Doan 2015-4-28 6 San Luis Obispo Irish Hills, take Sterling Land and hike into surrounding hills. Sample taken from Northeast-facing slope. Comment
  OBI75048  Delphinium parryi subsp. eastwoodiae David J. Keil 1988-3-19 20416 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  UCR122475  Dendromecon rigida George K. Helmkamp, E. A. Helmkamp 1998-5-20 3893 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
  OBI59208  Deschampsia danthonioides Michael Curto 2001-5-31 29521 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  RSA751809  Deschampsia danthonioides David J. Keil 2001-6-14 29521 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Serpentenite parent material. 800 Comment
  OBI59213  Deschampsia elongata Michael Curto 2001-5-31 29528 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  UC454405  Dichelostemma capitatum I. J. Condit 1910-5-14 San Luis Obispo Osos Valley Comment
  UCR161323  Dichelostemma capitatum subsp. capitatum George K. Helmkamp, E. A. Helmkamp 2005-3-8 9059 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road 140 Comment
  OBI75335  Digitaria ischaemum David J. Keil 2011-10-14 31126 San Luis Obispo San Luis Obispo at 1304 Oceanaire Comment
  OBI31815  Dipsacus sativus Smeltzer, Turnquist 1982-6-28 204 San Luis Obispo Along the N foot trl In Laguna Lake Park Comment
  OBI78664  Dipsacus sativus Amelia Mira Crary 2013-11-11 1 San Luis Obispo Laguna Lake Open Space, San Luis Obispo, CA. On south west side of Lake Side Trail, about 1800ft from trailhead parking lot. On north side of Lake Laguna, 200ft from lake 40 Comment
  OBI27162  Dodecatheon clevelandii B. W. & T. W., T. W. 1967-3-25 s.n. San Luis Obispo Perfumo Cyn Comment
  UCR161352  Dodecatheon clevelandii subsp. insulare George K. Helmkamp, E. A. Helmkamp 2005-3-8 9069 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  SBBG119661  Dodecatheon clevelandii subsp. sanctarum E. Painter, M. Wetherwax 2000-3-20 SLO 331 San Luis Obispo E side of saddle between Cerro Chumash and Cerro Romualdo; Camp San Luis Obispo 200 Comment
  OBI83539  Dodecatheon clevelandii var. insulare Angela Yust 2017-2-23 8 San Luis Obispo San Luis Obispo, Bishop Peak trail starting at Patricia Drive entrance. head up trail about 1/3 mile on the left egde of trail; 35.303998 -120.68978 Comment
  OBI25253  Drosanthemum floribundum Robert Jones 1971-5-24 18 San Luis Obispo Laguna Lake residential area, W of San Luis Obispo on Madonna Rd Comment
  UC454987  Drymocallis glandulosa var. wrangelliana J. E. Roadhouse 1906-4-6 San Luis Obispo Prefumo Canyon Comment
  OBI78653  Dryopteris arguta Dylan Faire, Justin James, Kelsey James 2013-11-11 1 San Luis Obispo Bishop Peak trail, San Luis Obispo. South side of the trail within the narrow switchbacks south of the peak. 366 Comment
  SBBG55741  Dryopteris arguta R. J. Rodin 1959-3-18 6322 San Luis Obispo N side of Bishop Pk Comment
  UC454372  Dryopteris arguta I. J. Condit 1908-5-2 San Luis Obispo Bishop's Peak Comment
  OBI81229  Dudleya abramsii David J. Keil, Malcom McLeod 1987-9-28 20353 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  OBI81313  Dudleya abramsii David J. Keil, Janet Haden 1988-5-24 20691 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  OBI57561  Dudleya abramsii subsp. bettinae David J. Keil, with Kathleen A. Keil 1998-5-29 27540 San Luis Obispo Serpentine hills S of Bishop Peak at 2051 O'Connor Way. W of San Luis Obispo. Comment
  CAS-BOT-BC109536  Dudleya abramsii subsp. murina Alice Eastwood; John Thomas Howell 1938-6-14 5928 San Luis Obispo Prefumo Canyon. Comment
  GH376706  Dudleya abramsii subsp. murina A. Eastwood & J. T. Howell 1938-6-14 5928 Unknown Prefumo Canyon Comment
  OBI21635  Dudleya abramsii subsp. murina David J. Keil 1979-7-1 13132 San Luis Obispo Ridge between Prefumo and See Cyns, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd Comment
  UCD101864  Dudleya abramsii subsp. murina Daryl Koutnik 1978-6-19 523 San Luis Obispo San Luis Obispo County: Prefumo Canyon. 243 Comment
  UCD101865  Dudleya abramsii subsp. murina Daryl Koutnik 1978-6-19 523 San Luis Obispo San Luis Obispo County: Prefumo Canyon. 243 Comment
  UCD101866  Dudleya abramsii subsp. murina Daryl Koutnik 1978-6-19 523 San Luis Obispo San Luis Obispo County: Prefumo Canyon. 243 Comment
  UCD101867  Dudleya abramsii subsp. murina Daryl Koutnik 1978-6-19 530 San Luis Obispo San Luis Obispo County: West of Cerro Romauldo along Chorro Creek. 304 Comment
  UCD101868  Dudleya abramsii subsp. murina Daryl Koutnik 1978-6-19 530 San Luis Obispo San Luis Obispo County: West of Cerro Romauldo along Chorro Creek. 304 Comment
  UCD101870  Dudleya abramsii subsp. murina Daryl Koutnik 1978-6-19 530 San Luis Obispo San Luis Obispo County: West of Cerro Romauldo along Chorro Creek. 304 Comment
  UCR118372  Dudleya abramsii subsp. murina George K. Helmkamp, E. A. Helmkamp 1998-7-1 4254 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  RSA43018  Dudleya blochmaniae Robert F. Hoover 1947-5-12 7164 San Luis Obispo West base of Mount Bishop near San Luis Obispo Comment
  UC54824  Dudleya blochmaniae Mrs. R. W. Summers 1882-5-6 291 San Luis Obispo Los Osos Valley Comment
  OBI15241  Dudleya blochmaniae subsp. blochmaniae Robert F. Hoover 1947-5-12 7164 San Luis Obispo W base of Mt. Bishop near SLO Comment
  OBI57557  Dudleya blochmaniae subsp. blochmaniae David J. Keil 1998-6-23 27849 San Luis Obispo At Baldwin residence and on property to west of Baldwin property along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI21634  Dudleya lanceolata David J. Keil 1979-7-1 13131 San Luis Obispo Ridge between Prefumo and See Cyn, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd Comment
  OBI66035  Dudleya palmeri Kristin Brewer, Sarah Blaser 2006-6-13 7 San Luis Obispo 2051 O'Conner Way, in the hills behind the house, W of Bishop Peak Comment
  OBI70205  Dudleya pulverulenta David J. Keil 2009-3-22 30568 San Luis Obispo San Luis Range. Upper Prefumo Canyon Comment
  UC1953279  Dudleya pulverulenta David Keil 2009-3-22 30568 San Luis Obispo San Luis Range. Upper Prefumo Canyon. Comment
  OBI14781  Elatine californica Robert F. Hoover 1950-5-15 7922 San Luis Obispo Near NW end of Laguna, San Luis Obispo Comment
  OBI35139  Eleocharis coloradoensis Eric Wise 1983-9-23 1794 San Luis Obispo N shore of Laguna Lake Comment
  OBI35140  Eleocharis coloradoensis Eric Wise 1983-9-23 1794 San Luis Obispo N shore of Laguna Lake Comment
  UCR42828  Eleocharis coloradoensis David J. Keil 1977-8-7 12490 San Luis Obispo Central Coast, San Luis Obispo at Laguna Lake 37 Comment
  CAS-BOT-BC112945  Eleocharis macrostachya R. F. Hoover 1947-4-16 6936 San Luis Obispo West base of Mt. Bishop near SLO in wet place. Comment
  OBI22621  Eleocharis macrostachya Robert F. Hoover 1947-4-16 6936 San Luis Obispo W base of Mt. Bishop near SLO Comment
  OBI31752  Eleocharis macrostachya Smeltzer, Turnquist 1982-5-19 140 San Luis Obispo Along the Laguna Lake paved rd and the NE shoreline of lake Comment
  RSA201684  Eleocharis palustris Robert F. Hoover 1947-4-16 6936 San Luis Obispo West base of Mt. Bishop near San Luis Obispo Comment
  RSA371705  Eleocharis palustris E. Wise 1982-6-24 1535 San Luis Obispo South shore of Laguna Lake, San Luis Obispo Comment
  OBI67036  Eleocharis rostellata David J. Keil 2001-5-14 29451 San Luis Obispo Drainage on southwestern side of serpentine ridge on west side of O'Connor Way, west of San Luis Obispo; 35.2931 deg. N x 120.7321 deg. W 98 Comment
  UCR42830  Elymus elongatus David J. Keil 1977-8-7 12487 San Luis Obispo Along Los Osos Valley Road at turnoff to Telephone Company Road c. 0.5 mi west of Foothill Blvd. 44 Comment
  OBI59373  Elymus elymoides Michael Curto, with Jill Bushakra 2001-6-14 29546 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI44855  Elymus multisetus David J. Keil 1979-7-1 13141 San Luis Obispo Ridge between Prefumo and See Cyns, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd Comment
  OBI58969  Elymus multisetus David J. Keil 1998-6-23 27854 San Luis Obispo At Baldwin residence and on property to west of Baldwin property along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI81315  Elymus multisetus David J. Keil, Janet Haden 1988-5-24 20692 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  SD249104  Elymus multisetus David Keil, Janet Haden 1988-5-24 20692 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. 35 Comment
  SEINET239944  Elymus multisetus David Keil 1979-7-1 13141 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  RSA659432  Elymus stebbinsii David J. Keil 1979-7-1 13140 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  SEINET239945  Elymus stebbinsii subsp. septentrionalis David Keil 1979-7-1 13140 San Luis Obispo Ridge between Prefumo and See Canyon. About 5 mi from junction of Los Osos Valley Road and Perfumo Canyon Road. Comment
  OBI44857  Elymus trachycaulus David J. Keil 1979-7-1 13140 San Luis Obispo Ridge between Prefumo and See Cyns. About 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd Comment
  OBI79217  Elymus trachycaulus David J. Keil 2012-5-27 31362 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail Comment
  OBI81316  Elymus trachycaulus David J. Keil, Janet Haden 1988-5-24 20693 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  SD249105  Elymus trachycaulus David Keil, Janet Haden 1988-5-24 20693 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. 35 Comment
  UC2013158  Elymus trachycaulus David Keil 1979-7-1 13140 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  OBI58974  Elymus trachycaulus subsp. trachycaulus David J. Keil 1998-6-23 27853 San Luis Obispo At Baldwin residence and on property to west of Baldwin property along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  RSA751803  Elymus trachycaulus subsp. trachycaulus David J. Keil 1998-6-23 27853 San Luis Obispo At Baldwin residence and on property to W of Baldwin property along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI81232  Elymus triticoides David J. Keil 1987-9-27 20348 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  SD249106  Elymus triticoides David Keil 1987-9-27 20348 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road just west of junction with Calle Joaquin and US 101. 35 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
  UCR119349  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2000-9-2 5976 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
  UCR119829  Epilobium brachycarpum George K. Helmkamp, E. A. Helmkamp 2000-9-2 5969 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  OBI81475  Epilobium canum Marina Miller, Katie Warde 2015-11-6 1 San Luis Obispo Approx. 200 ft from Mariposa Trailhead directly next to a mulch pile on the right hand side of the trail, near a small clearing with other mulch piles. There is also a dried up creek bed in the area. Plants surrounded by Coyote Bush Comment
  UCR119350  Epilobium canum subsp. canum George K. Helmkamp, E. A. Helmkamp 2000-9-2 5975 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
  OBI12155  Epilobium densiflorum Robert F. Hoover 1969-8-25 11556 San Luis Obispo Laguna de San Luis Obispo Comment
  OBI31770  Epilobium densiflorum Smeltzer, Turnquist 1982-7-28 211 San Luis Obispo Along the N foot trl in Laguna Lake Park Comment
  UC1392962  Epilobium densiflorum R. F. Hoover 1969-8-25 11556 San Luis Obispo Laguna de San Luis Obispo Comment
  UCR32055  Epilobium densiflorum Smeltzer, Turnquist 1982-7-28 211 San Luis Obispo Laguna Lake Park. 38 Comment
  UCSB39943  Epilobium densiflorum Shaw, J. 1982-7-1 San Luis Obispo Laguna Lake Park on Madonna Road in San Luis Obispo near intersection with Los Osos Valley Road 30 Comment
  SBBG46836  Epilobium minutum L. W. Edge 1973-4-10 269 San Luis Obispo near summit of Prefumo Cyn Rd Comment
  OBI72004  Equisetum telmateia Michael Walgren 2010-2-16 81 San Luis Obispo Irish Hills, Montana de oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon Road, approx. 8 mile from Los Osos Valley Rd. and 0.5 mile from junct. with Prefumo Cyn. Rd. Inland portion of property on inland side of See Cyn. Rd. 335 Comment
  UCR115565  Equisetum telmateia subsp. braunii George K. Helmkamp, E. A. Helmkamp 2000-4-20 5395 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR38860  Eragrostis curvula var. curvula David J. Keil 1984-7-19 18298 San Luis Obispo Just off Los Osos Valley Road on Foothill Blvd Comment
  OBI54309  Erigeron bonariensis David J. Keil 1996-6-7 25898 San Luis Obispo Laguna Lake Park, San Luis Obispo Comment
  OBI69486  Erigeron canadensis David J. Keil 2008-8-30 30561 San Luis Obispo San Luis Obispo. Behind Home Depot store along south side of Froom Ranch Way. 35 deg. 15'02.40"N x 120 deg. 41'26.73"W 43 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
  CAS-BOT-BC300051  Erigeron philadelphicus R. F. Hoover 1947-4-13 6927 San Luis Obispo Osos [Los Osos] Valley Comment
  OBI16530  Erigeron philadelphicus Robert F. Hoover 1947-4-13 6927 San Luis Obispo Osos Valley Comment
  OBI75053  Erigeron philadelphicus David J. Keil 1988-3-19 20418 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  UC1285036  Erigeron philadelphicus var. philadelphicus R. F. Hoover 1947-4-13 6927 San Luis Obispo Osos Valley Comment
  UC455837  Erigeron philadelphicus var. philadelphicus unknown 59 San Luis Obispo Osos Valley Comment
  OBI69485  Erigeron sumatrensis David J. Keil 2008-8-30 30560 San Luis Obispo San Luis Obispo. Behind Home Depot store along south side of Froom Ranch Way. 35 deg. 15'02.40"N x 120 deg. 41'26.73"W 43 Comment
  CAS-BOT-BC257911  Eriogonum parvifolium R. F. Hoover 1946-8-26 6355 San Luis Obispo Los Osos Valley Comment
  CDA22641  Eriogonum parvifolium T. C. Fuller 1962-7-19 9240 San Luis Obispo Perfumo Canyon Road, 1.7 miles west of junction with Los Osos Valley Road, ca. 6 miles southwest of San Luis Obispo. 0 Comment
  CDA22642  Eriogonum parvifolium T. C. Fuller 1962-7-19 9240 San Luis Obispo Perfumo Canyon Road, 1.7 miles west of junction with Los Osos Valley Road, ca. 6 miles southwest of San Luis Obispo. 0 Comment
  OBI77734  Eriogonum parvifolium Robert F. Hoover 1946-8-26 6355 San Luis Obispo Los Osos Valley Comment
  OBI80307  Eriogonum parvifolium Nayl Gonzalez, Casey Reeves, Charlesjosef Noll-Robles, and Vincent Bossone 2014-11-11 1 San Luis Obispo Bog Thistle Trail at Irish Hills Natural Reserve off of Perfumo Canyon Road. Approximately 250 yards from trailhead 67 Comment
  UC1032232  Eriogonum parvifolium B. Bolt 1936-1-21 553 San Luis Obispo 1st peak nw Cerro San Luis Obispo; San Luis Obispo Quadrangle Comment
  CAS-BOT-BC304094  Eriophyllum confertiflorum Alice Eastwood; John Thomas Howell 1938-6-14 5922 San Luis Obispo Prefumo Canyon Comment
  UCR118789  Eriophyllum confertiflorum George K. Helmkamp 1997-3-8 1454 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
  UC1118354  Eriophyllum confertiflorum var. confertiflorum B. Bolt 1936-1-21 554 San Luis Obispo 1st peak nw Cerro San Luis Obispo; San Luis Obispo Quad. 304 Comment
  UCD132269  Eriophyllum confertiflorum var. confertiflorum G. K. Helmkamp; E. A. Helmkamp 2001-4-29 6560 San Luis Obispo San Luis Obispo County: Irish Hills: Clark Valley Rd., 2.8 mi S of Los Osos Valley Rd (E of Los Osos). 91 Comment
  UCR118385  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp, E. A. Helmkamp 1998-6-30 4239 San Luis Obispo Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd. 198 Comment
  UCR122466  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp, E. A. Helmkamp 1998-5-20 4007 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
  UCR142580  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp, E. A. Helmkamp 2000-4-20 5420 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  UCR122473  Erodium brachycarpum George K. Helmkamp, E. A. Helmkamp 1998-5-20 3895 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
  CAS-BOT-BC211084  Eryngium aristulatum var. hooveri R. F. Hoover 1969-8-25 11555 San Luis Obispo Laguna de San Luis Obispo Comment
  IRVC29570  Eryngium aristulatum var. hooveri Mark A. Elvin, Nic Huber 2006-3-30 4630 San Luis Obispo San Luis Obispo; N-side of Laguna Lake, at base of hill. Central Coastal 61 Comment
  OBI54324  Eryngium aristulatum var. hooveri David J. Keil 1996-6-25 25916 San Luis Obispo Laguna Lake Park and vicinity, San Luis Obispo Comment
  OBI55647  Eryngium aristulatum var. hooveri David J. Keil 1989-5-3 21202 San Luis Obispo San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessedfrom end of Diablo Dr at site of proposed Irish Hills Golf Course Comment
  OBI8983  Eryngium aristulatum var. hooveri Robert F. Hoover 1969-8-25 11555 San Luis Obispo Laguna de San Luis Obispo Comment
  SBBG112416  Eryngium aristulatum var. hooveri D. Keil 1996-6-25 25916 San Luis Obispo Laguna Lake Park and vicinity Comment
  UC1392960  Eryngium aristulatum var. hooveri R. F. Hoover 1969-8-25 11555 San Luis Obispo Laguna de San Luis Obispo Comment
  UC1925857  Eryngium aristulatum var. hooveri David Keil 1995-6-25 25916 San Luis Obispo Laguna Lake Park and vicinity, San Luis Obispo. Comment
  UC454511  Eryngium aristulatum var. hooveri E. P. Unangst 1908-7-30 San Luis Obispo Laguna Comment
  UC454512  Eryngium aristulatum var. hooveri I. J. Condit 1908-10-31 San Luis Obispo Laguna Comment
  UCR266021  Eryngium aristulatum var. hooveri David J. Keil 1996-6-25 25916 San Luis Obispo Laguna Lake Park and vicinity, San Luis Obispo, NW corner of park 38 Comment
  SBBG80404  Eryngium armatum C. F. Smith 1960-6-9 6175 San Luis Obispo about 50 yards above edge of Laguna Lake SW of San Luis Obispo Comment
  OBI18906  Erythranthe arenicola David J. Keil 1979-4-29 13058 San Luis Obispo Upper Prefumo Cyn Rd Comment
  OBI79963  Erythranthe cardinalis David J. Keil 2013-7-6 31824 San Luis Obispo Prefumo Canyon Road. Creek bottom just upstream of bridge 3 100 Comment
  SBBG127301  Erythranthe cardinalis D. J. Keil 2013-7-6 31824 San Luis Obispo Prefumo Cyn Rd, crk bottom just upstream of bridge 3 100 Comment
  UCR122463  Eschscholzia caespitosa George K. Helmkamp, E. A. Helmkamp 1998-5-20 4003 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
  CAS-BOT-BC403490  Eschscholzia californica Alice Eastwood; John Thomas Howell 1938-6-14 5924 San Luis Obispo Prefumo Canyon Comment
  UCR118374  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 1998-7-1 4251 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  UCR161360  Eschscholzia californica George K. Helmkamp, E. A. Helmkamp 2005-3-8 9078 San Luis Obispo Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road 409 Comment
  UCR25003  Eschscholzia hypecoides George K. Helmkamp 1981-8-7 s.n. San Luis Obispo Central Coast, north end of See Canyon in the Irish Hills, near Los Osos Valley 213 Comment
  OBI12261  Eucalyptus globulus R. A. Hays 1957-10-12 s.n. San Luis Obispo Perfumo Cyn Comment
  OBI31774  Eucalyptus globulus Turnquist, Smeltzer 1982-5-1 93 San Luis Obispo On the NE side of Laguna Lake Park Comment
  OBI31773  Eucalyptus polyanthemos Turnquist, Smeltzer 1982-5-1 66 San Luis Obispo NE side of Laguna Lake Park Comment
  OBI31771  Eucalyptus viminalis Smeltzer, Turnquist 1982-4-21 57 San Luis Obispo Collected from rear parking area along NE lake edge in laguna Lake park Comment
  OBI78626  Eucalyptus viminalis Laura Gurrola, Shannon O'Hehir 2014-2-8 1 San Luis Obispo Laguna Lake Open Space 40 Comment
  OBI54308  Euphorbia maculata David J. Keil 1996-6-7 25896 San Luis Obispo Laguna Lake Park, San Luis Obispo Comment
  IRVC29571  Euphorbia spathulata Mark A. Elvin, Nic Huber 2006-3-30 4629 San Luis Obispo San Luis Obispo; N-side of Laguna Lake, at base of hill. Central Coastal 61 Comment
  OBI44863  Euphorbia spathulata David J. Keil 1979-7-1 13133 San Luis Obispo Ridge between Prefumo and See Cyn, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd Comment
  OBI70774  Eurybia radulina David J. Keil 2009-8-17 30633 San Luis Obispo San Luis Obispo. Irish Hills Natural Area above Prefumo Canyon. Lower Mariposa Trail below junction with Bog Thistle Trail. Vicinity of 35 deg. 15.614'N x 120 deg. 564'W 119 Comment
  SD148256  Eurybia radulina G. K. Helmkamp, E. A. Helmkamp 2000-9-2 5972 San Luis Obispo Irish Hills; Profumo Canyon, 2.2 miles west of Los Osos Valley Road. 136 Comment
  UC1953226  Eurybia radulina David Keil 2009-8-17 30633 San Luis Obispo San Luis Obispo. Irish Hills Natural Area above Prefumo Canyon. Lower Mariposa Trail below junction with Bog Thistle Trail. Comment
  OBI59372  Festuca arundinacea Michael Curto, with Jill Bushakra 2001-6-14 29555 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI2579  Festuca californica Larry E. Brown 1970-4-1 1922 San Luis Obispo In Perfumo Cyn near San Luis Obispo Comment
  OBI2835  Festuca californica Larry E. Brown 1971-4-25 1962 San Luis Obispo In Perfumo Cyn near San Luis Obispo Comment
  OBI79608  Festuca californica David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31364 San Luis Obispo San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. 447 Comment
  OBI79442  Festuca elmeri David J. Keil 2013-5-12 31734 San Luis Obispo Irish Hills Open Space. Lower Mariposa Trail just above junction with Bog Thistle Trail 150 Comment
  UCR161358  Festuca myuros George K. Helmkamp, E. A. Helmkamp 2005-3-8 9086 San Luis Obispo Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road 409 Comment
  OBI31734  Festuca perennis Turnquist/Smeltzer 1982-5-1 73 San Luis Obispo NE side of Laguna Lake Park Comment
  OBI43348  Festuca perennis Eric Wise 1982-6-24 1546 San Luis Obispo S shore of Laguna Lake SLO Comment
  OBI59371  Festuca perennis Michael Curto, with Jill Bushakra 2001-6-14 29549 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI79609  Festuca perennis David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31365 San Luis Obispo San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. 447 Comment
  SBBG118310  Festuca perennis E. Painter, M. Wetherwax, K. Downing 2002-5-8 SLO 251 San Luis Obispo Chumash Pk; Camp San Luis Obispo 170 Comment
  UCR122736  Filago gallica George K. Helmkamp, E. A. Helmkamp 1998-5-20 3889 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
  OBI25939  Foeniculum vulgare Lorraine Vinland 1981-11-3 2 San Luis Obispo E shore of Laguna Lake Comment
  SDSU19713  Fritillaria affinis Sean Ryan, Michael G. Simpson 2010-4-1 24 San Luis Obispo South road cut of Prefumo Canyon Road. 2.3 miles from the intersection with Los Osos Valley Road and 100 yards east of bridge. 103 Comment
  UCR115578  Fritillaria affinis George K. Helmkamp, E. A. Helmkamp 2000-4-20 5402 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
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Jun 24 2012
  UCR161345  Fritillaria affinis George K. Helmkamp, E. A. Helmkamp 2005-3-8 9051 San Luis Obispo Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road 122 Comment
Read comments
Jun 24 2012
  CAS-BOT-BC130271  Fritillaria biflora R. F. Hoover 1964-5-12 8801 San Luis Obispo Los Osos Valley Comment
  OBI21378  Fritillaria biflora Robert F. Hoover 1964-5-12 8801 San Luis Obispo Los Osos Valley Comment
  OBI59374  Fritillaria biflora David J. Keil, with Jill Bushakra 2001-6-14 29548 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI75059  Fritillaria biflora David J. Keil 1988-3-19 20400 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI79781  Fritillaria biflora David J. Keil 2013-4-6 31579 San Luis Obispo San Luis Range. Prefumo Canyon Road 80 Comment
  UC1296317  Fritillaria biflora R. F. Hoover 1964-5-12 8801 San Luis Obispo Los Osos Valley Comment
  SDSU19704  Fritillaria biflora var. biflora Sean Ryan, Leslie St. John, Craig Jacobson 2010-2-27 San Luis Obispo NE facing slope just below serpentine outcrops on north side of Via Laguna Vista, approximately 100m WNW of its intersection with Donegal Drive. San Luis Obispo, CA. 103 Comment
  OBI79753  Fritillaria ojaiensis David J. Keil 2013-3-25 31566 San Luis Obispo San Luis Range. Prefumo Canyon 100 Comment
  OBI9956  Galium andrewsii Robert J. Rodin 1954-4-3 5946 San Luis Obispo Bishop's Peak, San Luis Obispo Comment
  OBI31683  Galium aparine Turnquist, Smeltzer 1982-5-1 84 San Luis Obispo NE side of Laguna Lake Park Comment
  OBI9941  Galium aparine Robert F. Hoover 1947-3-21 6709 San Luis Obispo W base of Mt Bishop, near San Luis Obispo Comment
  OBI9942  Galium aparine Robert F. Hoover 1947-3-21 6709 San Luis Obispo W base of Mt Bishop, near San Luis Obispo Comment
  UCR115566  Galium aparine George K. Helmkamp, E. A. Helmkamp 2000-4-20 5393 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UC2013238  Galium californicum David Keil 1979-7-1 13135 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  OBI44861  Galium californicum subsp. flaccidum David J. Keil 1979-7-1 13135 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 mi from jctn of Los Osos Valley rd and Prefumo Canyon Rd Comment
  UC455880  Galium californicum subsp. flaccidum E. P. Unangst 1906-5-30 San Luis Obispo Prefumo Canyon San Luis Obispo Comment
  UCR118946  Galium cliftonsmithii George K. Helmkamp, E. A. Helmkamp 1998-6-30 4238 San Luis Obispo Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd. 198 Comment
  OBI44810  Gamochaeta ustulata David J. Keil 1979-7-1 13118 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 mi from jctn of Los Osos valley rd and Prefumo Cyn rd Comment
  OBI72834  Gamochaeta ustulata Michael Walgren 2010-4-29 143 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 301 Comment
  OBI79445  Gamochaeta ustulata David J. Keil 2013-5-15 31736 San Luis Obispo San Luis Range. Prefumo Canyon. Along banks above private drive off Prefumo Canyon Road 120 Comment
  OBI62793  Garrya elliptica Ed Zimmerman 1966-4-8 11 San Luis Obispo Perfumo cyn Comment
  OBI66540  Garrya elliptica David J. Keil 1996-12-5 s.n. San Luis Obispo Prefumo Cyn Comment
  UC454527  Garrya elliptica I. J. Condit 1908-2-17 San Luis Obispo Prefumo Canyon Comment
  UCR122461  Garrya veatchii George K. Helmkamp, E. A. Helmkamp 1998-5-20 4001 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
  SFV12392  Genista monspessulana D. L. Koutnik 1978-6-19 529 San Luis Obispo Prefumo Canyon. 244 Comment
  UCD105727  Genista monspessulana Daryl Koutnik 1978-6-19 529 San Luis Obispo San Luis Obispo County: Prefumo Canyon. 243 Comment
  UCR161699  Genista monspessulana George K. Helmkamp, E. A. Helmkamp 2005-3-8 9052 San Luis Obispo Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road 122 Comment
  UCR97563  Genista monspessulana George K. Helmkamp 1997-3-8 1439 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
  UCR134396  Geranium carolinianum George K. Helmkamp, E. A. Helmkamp 2001-4-29 6590 San Luis Obispo Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos 274 Comment
  OBI31807  Geranium dissectum Turnquist, Smeltzer 1982-5-1 78 San Luis Obispo On the NE side of Laguna Lake Park Comment
  UCR61731  Geranium dissectum George K. Helmkamp 1989-4-17 s.n. San Luis Obispo Irish Hills, at the crest of Prefumo Canyon Road 366 Comment
  UCR88338  Geranium dissectum George K. Helmkamp 1995-6-20 95 2 17 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  OBI75256  Geranium molle David J. Keil 2011-5-12 31009 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 304 Comment
  OBI74998  Gilia achilleifolia David J. Keil 1988-3-19 20434 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  RSA0095182  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp, Elizabeth A. Helmkamp 2001-4-29 6595 San Luis Obispo Irish Hills: Profumo Cyn Rd., 2.8 mi W of Los Osos Valley Rd. (SW of San Luis Obispo). 91 Comment
  SEINET14623422  Gilia achilleifolia subsp. achilleifolia V. Grant, A. Grant 1948-5-29 8555 San Luis Obispo On Hwy 101, 5 miles SW of San Luis Obispo. Comment
  UCD117628  Gilia achilleifolia subsp. achilleifolia G. K. Helmkamp; E. A. Helmkamp 2001-4-29 6595 San Luis Obispo San Luis Obispo County: Irish Hills, Profumo Canyon Road, 2.8 miles west of Los Osos Valley Road (SW of San Luis Obispo.) 91 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
  UCR134401  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp, E. A. Helmkamp 2001-4-29 6595 San Luis Obispo Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo 91 Comment
  UCR88714  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp 1995-6-20 950620- 32 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  OBI75047  Gilia clivorum David J. Keil 1988-3-19 20415 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  UCR104785  Gnaphalium californicum George K. Helmkamp 1997-3-8 1462 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
  UCR115563  Gnaphalium californicum George K. Helmkamp, E. A. Helmkamp 2000-4-20 5390 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UC455733  Guillenia lasiophylla E. P. Unangst 1908-4-12 San Luis Obispo Perfumo Canyon Comment
  OBI70813  Hainardia cylindrica David J. Keil 2009-6-18 30621 San Luis Obispo Boysen Ranch created wetlands. West of Foothill Road between O'Connor Way and Los Osos Valley Road Comment
  OBI75116  Hazardia squarrosa Robert F. Hoover 1946-8-3 6262 San Luis Obispo Perfumo Cyn, San Luis Range Comment
  UC1285344  Hazardia squarrosa var. grindelioides R. F. Hoover 1946-8-3 6262 San Luis Obispo Perfumo Canyon San Luis Range, Perfumo Canyon Comment
  CAS-BOT-BC302374  Hazardia squarrosa var. squarrosa R. F. Hoover 1946-8-3 6262 San Luis Obispo Perfumo Canyon, San Luis Range Comment
  OBI31634  Helenium puberulum Smeltzer, Turnquist 1982-5-19 136 San Luis Obispo Along the Laguna Lake pavedrd and the NE shoreline of lake Comment
  OBI80015  Helenium puberulum David J. Keil 2013-7-6 31826 San Luis Obispo San Luis Range. Prefumo Canyon Road. Creek bottom just upstream of bridge 3 100 Comment
  OBI31617  Helminthotheca echioides Turnquist, Smeltzer 1982-7-23 188 San Luis Obispo N of Laguna Lake Park Comment
  OBI31618  Helminthotheca echioides Smeltzer, Turnquist 1982-5-19 137 San Luis Obispo Along the Laguna Lake pavedrd and the NE shoreline of lake Comment
  CAS-BOT-BC309860  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1969-8-15 11546 San Luis Obispo Valley west of Mt. Bishop Comment
  CAS-BOT-BC309868  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1965-8-1 9498 San Luis Obispo Valley west of Mt. Bishop Comment
  CAS-BOT-BC309869  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1965-8-1 9498 San Luis Obispo Valley west of Mt. Bishop Comment
  OBI16220  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1965-8-1 9498 San Luis Obispo Valley W of Mt Bishop Comment
  OBI16221  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1969-8-25 11562 San Luis Obispo Laguna de San Luis Obispo Comment
  OBI16228  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1969-8-15 11546 San Luis Obispo Valley W of Mt Bishop Comment
  OBI31629  Hemizonia congesta subsp. luzulifolia Turnquist, Smeltzer 1982-7-23 190 San Luis Obispo N of Laguna Lake Park Comment
  SBBG40546  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1969-8-15 11546 San Luis Obispo valley W of Mt Bishop Comment
  SBBG48553  Hemizonia congesta subsp. luzulifolia L. W. Edge 1974-6-20 450 San Luis Obispo upper Prefumo Cyn Comment
  UC1285167  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1965-8-1 9498 San Luis Obispo valley w Mt. Bishop Comment
  UC1392634  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1969-8-15 11546 San Luis Obispo valley w Mt. Bishop Comment
  UCD132998  Hemizonia congesta subsp. luzulifolia Daryl Koutnik 1978-6-19 535 San Luis Obispo San Luis Obispo County: west of Cerro Romauldo along Chorro Creek. 304 Comment
  UCR118378  Hemizonia congesta subsp. luzulifolia George K. Helmkamp, E. A. Helmkamp 1998-7-1 4246 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  UCR88341  Hemizonia congesta subsp. luzulifolia George K. Helmkamp, E. A. Helmkamp 1995-6-20 95 2 30 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
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Jan 7 2013
  UCR91828  Hemizonia fasciculata George K. Helmkamp 1996-5-27 1105 San Luis Obispo Central Coast, west side of San Luis Obispo, south-facing slope of Bishop Peak 280 Comment
  OBI75003  Hesperevax sparsiflora David J. Keil 1988-3-19 20398 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  UC2027282  Hesperevax sparsiflora David Keil 1988-3-19 20398 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI54245  Hesperevax sparsiflora var. sparsiflora David J. Keil, V. L. Holland 1996-6-6 25886 San Luis Obispo Prefumo Cyn Homes project site along Prefumo Crk ca 1/3 mi from Los Osos Valley Rd Comment
  OBI55307  Hesperevax sparsiflora var. sparsiflora David J. Keil 1998-4-10 26685 San Luis Obispo At LeRoy Baldwin property, 2051 O'Connor Way, SW of San Luis Obispo. Comment
  SBBG123049  Hesperevax sparsiflora var. sparsiflora D. Keil 1998-4-10 26685 San Luis Obispo 2051 O'Connor Way, SW of San Luis Obispo Comment
  OBI7217  Hesperocyparis macrocarpa R. A. Hays 1957-10-12 s.n. San Luis Obispo Perfumo Cyn, San Luis Obispo Comment
  OBI81335  Hesperolinon micranthum David J. Keil, Janet Haden 1988-5-24 20688 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  OBI83459  Heteromeles arbutifolia Tanner Tellenbach, Elijah Lax, Brett Donahue, Nolan Donahue 2017-1-26 4 San Luis Obispo Johnson Ranch Open Space: take Highway 101 south to exit 198 for Higuera Street. At the bottom of a horseshoe bend in the off ramp, turn left into a parking area for Johnson Ranch. To the right of the road follow the trail, cross a stream, about 100 yards up from the stream, and about 50 yards to the right of the trail if you are looking at the stream. 80 Comment
  CDA6979  Heterotheca grandiflora David J. Keil 1996-12-5 s.n. San Luis Obispo Prefumo Canyon. 0 Comment
  OBI78663  Heterotheca grandiflora Rebecca Liberatore 2013-11-11 1 San Luis Obispo Base of Irish Hills Open Space, San Luis Obispo, CA. Directly west of South corner of Costco parking lot 46 Comment
  SBBG112725  Heterotheca grandiflora D. Keil 1996-12-5 San Luis Obispo Prefumo Cyn Comment
  OBI79606  Hieracium argutum David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31366 San Luis Obispo San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. 447 Comment
  UC2027577  Hieracium argutum David J. Keil with Mike Walgren and Sally Krenn 2012-6-21 31366 San Luis Obispo San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. Comment
  UC454704  Hoita orbicularis unknown 422 San Luis Obispo Prefumo Canyon; near creek Comment
  UCR91835  Holcus lanatus George K. Helmkamp 1996-5-27 1095 San Luis Obispo Central Coast, west side of San Luis Obispo, south-facing slope of Bishop Peak 280 Comment
  UCR118357  Holodiscus discolor George K. Helmkamp, E. A. Helmkamp 1998-6-30 4224 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  CAS-BOT-BC284668  Hordeum brachyantherum subsp. brachyantherum R. F. Hoover 1964-5-14 8881 San Luis Obispo Near northwest end of Laguna, San Luis Obispo Comment
  OBI75263  Hordeum brachyantherum subsp. brachyantherum David J. Keil 2011-5-12 31002 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 300 Comment
  RSA779036  Hordeum brachyantherum subsp. brachyantherum David J. Keil 2011-5-12 31002 San Luis Obispo San Luis Range. Irish Hills. Madona-Twisselmann Ranch, accessed from Prefumo Canyon Road 300 Comment
  OBI63027  Hordeum brachyantherum subsp. californicum David J. Keil 1989-5-3 21205 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
  OBI31767  Hordeum marinum Turnquist, Smeltzer 1982-5-1 74 San Luis Obispo NE side of Laguna Lake Park Comment
  OBI31768  Hordeum marinum Turnquist, Smeltzer 1982-5-1 74 San Luis Obispo NE side of Laguna Lake Park Comment
  OBI37376  Hydrocotyle verticillata Eric Wise 1982-6-24 1544 San Luis Obispo S shore of Laguna Lake, SLO Comment
  SBBG41454  Hydrocotyle verticillata D. Myrick 1971-4-6 2195 San Luis Obispo Laguna Lake, San Luis Obispo Comment
  OBI56648  Hypochaeris radicata David J. Keil 1998-6-25 27865 San Luis Obispo San Luis Obispo. Frontage Rd. along N side of Madonna Rd. E of Los Osos Valley Rd. Comment
  OBI79420  Isolepis cernua David J. Keil 2013-6-6 31787 San Luis Obispo San Luis Range. Prefumo Canyon 130 Comment
  OBI81231  Juncus balticus subsp. ater David J. Keil 1987-9-27 20349 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  UC1146333  Juncus phaeocephalus R. F. Hoover 1950-5-15 7918 San Luis Obispo near nw end Laguna; San Luis Obispo Comment
  OBI82582  Keckiella cordifolia David J. Keil 2015-6-20 33260 San Luis Obispo Prefumo Canyon, between 2nd and 3rd bridge 120 Comment
  UCR117396  Keckiella cordifolia George K. Helmkamp, E. A. Helmkamp 1995-6-20 95- 2 - San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  OBI44854  Koeleria macrantha David J. Keil 1979-7-1 13142 San Luis Obispo Ridge between Prefumo and See Cyns. About 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd Comment
  OBI59369  Koeleria macrantha Michael Curto, with Jill Bushakra 2001-6-14 29545 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI75054  Koeleria macrantha David J. Keil 1988-3-19 20429 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  RSA0019485  Koeleria macrantha David J. Keil 1988-3-19 20429 San Luis Obispo Froom Ranch, SW of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, SW of San Luis Obispo city limits. 30 Comment
  UC2013157  Koeleria macrantha David Keil 1979-7-1 13142 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  OBI49636  Lagophylla ramosissima David J. Keil 1989-5-3 21204 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
  UCR118382  Lagophylla ramosissima George K. Helmkamp, E. A. Helmkamp 1998-7-1 4241 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  CDA2222  Lamarckia aurea G. D. Barbe 1973-3-13 1133 San Luis Obispo Bishop Canyon Road (See Canyon) north of Avila Beach. 0 Comment
  OBI75055  Lamarckia aurea David J. Keil 1988-3-19 20423 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI75163  Lamium amplexicaule David J. Keil 2011-4-24 30996 San Luis Obispo 940 Del Rio Ave., San Luis Obispo 60 Comment
  CAS-BOT-BC355494  Lasthenia glaberrima R. F. Hoover 1950-5-15 7916 San Luis Obispo Near NW end of Laguna Comment
  RSA201725  Lasthenia glaberrima Robert F. Hoover 1950-5-15 7916 San Luis Obispo Near northwest end of Laguna, San Luis Obispo. Comment
  UC1285419  Lasthenia glaberrima R. F. Hoover 1950-5-15 7916 San Luis Obispo near nw end Laguna (San Luis Obispo); San Luis Obispo Comment
  UC1953281  Lasthenia glaberrima David Keil 2009-4-16 30581 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. Comment
  OBI75061  Lasthenia gracilis David J. Keil 1988-3-19 20397 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  UC2061421  Lasthenia gracilis Rachael L. Olliff Yang with Alice, Eilish R. McNulty and Laura E. McNulty 2017-5-17 24 Monterey San Luis Obispo, Northwest of Laguna Lake Park Open space, about 50 m west of the access road. Comment
  UCR161361  Lasthenia gracilis George K. Helmkamp, E. A. Helmkamp 2005-3-8 9079 San Luis Obispo Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road 409 Comment
  OBI73565  Lathyrus latifolius David J. Keil 2010-8-30 30930 San Luis Obispo Lower Prefumo Canyon Road, 1 mile from intersection with Los Osos Valley Road 70 Comment
  UC1953188  Lathyrus latifolius David Keil 2010-8-30 30930 San Luis Obispo Lower Prefumo Canyon Road, 1 mile from intersection with Los Osos Valley Road. Comment
  UCR118364  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 1998-6-30 4227 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  SEINET956317  Lathyrus vestitus G. K. Helmkamp, E. A. Helmkamp 2000-1 5383 San Luis Obispo Central Coast: Prefumo Cyn. 1.2 mi S of Los Osos Valley Rd. 183 Comment
  OBI72015  Lathyrus vestitus var. vestitus Michael Walgren 2010-2-1 67 San Luis Obispo Irish Hills, Montana de Oro State park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn Rd 335 Comment
  UCR115780  Lathyrus vestitus var. vestitus George K. Helmkamp, E. A. Helmkamp 2000-4-20 5383 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR161287  Lathyrus vestitus var. vestitus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9042 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills. 1.1 mi SW of Los Osos Valley Road along Prefumo Canyon Road 98 Comment
  UCR161302  Lathyrus vestitus var. vestitus George K. Helmkamp, E. A. Helmkamp 2005-3-9 9103 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive 186 Comment
  CAS-BOT-BC327195  Layia hieracioides R. F. Hoover 1949-5-12 7666 San Luis Obispo Between Mt. Bishop and Cerro Romauldo Comment
  CAS-BOT-BC327196  Layia hieracioides R. F. Hoover 1949-5-12 7666 San Luis Obispo Between Mt. Bishop and Cerro Romauldo Comment
  OBI15861  Layia hieracioides Robert F. Hoover 1949-5-12 7666 San Luis Obispo Between Mt Bishop and Cerro romauldo Comment
  UC1285336  Layia hieracioides R. F. Hoover 1949-5-12 7666 San Luis Obispo between Mt. Bishop and Cerro Romualdo Comment
  UC455490  Layia hieracioides I. J. Condit 1908-4-4 San Luis Obispo Osos Valley Comment
  CAS-BOT-BC327491  Layia jonesii R. F. Hoover 1948-4-22 7485 San Luis Obispo West base of Mt. Bishop near San Luis Obispo Comment
  CAS-BOT-BC327492  Layia jonesii R. F. Hoover 1948-4-22 7485 San Luis Obispo West base of Mt. Bishop near San Luis Obispo Comment
  OBI15835  Layia jonesii Robert F. Hoover 1948-4-22 7485 San Luis Obispo W base of Mt. Bishop near SLO Comment
  OBI31622  Layia jonesii Smeltzer, Turnquist 1982-5-7 113 San Luis Obispo On the NE side of Laguna Lake Park Comment
  OBI47446  Layia jonesii Malcolm G. McLeod 1981-5-16 1379 San Luis Obispo Along O'Connor way W of San Luis Obispo Comment
  OBI56602  Layia jonesii David J. Keil 1998-6-23 27851 San Luis Obispo At Baldwin residence and on property to west of Baldwin property along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI75062  Layia jonesii David J. Keil 1988-3-19 20396 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  UC1069746  Layia jonesii H. C. Lee 1936-3-23 528 San Luis Obispo 3/4 mi se Mine Hill; Arroyo Grande Quad. Comment
  UC1069747  Layia jonesii P. L. Johannsen 1936-3-22 736 San Luis Obispo 1 3/4 mi sw San Luis Obispo; San Luis Obispo Quad., Plot 11 106 Comment
  UC1285376  Layia jonesii R. F. Hoover 1948-4-22 7485 San Luis Obispo near San Luis Obispo; w base of Mt. Bishop Comment
  UC2027228  Layia jonesii David Keil 1988-3-19 20396 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI81337  Layia platyglossa David J. Keil, Janet Haden 1988-5-24 20689 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  UCD133995  Layia platyglossa Daryl Koutnik 1978-6-19 534 San Luis Obispo San Luis Obispo County: west of Cerro Romauldo along Chorro Creek. 304 Comment
  A400236  Lepechinia calycina A. Eastwood & J. T. Howell 1938-6-14 5936 Unknown Prefumo Canyon Comment
  CAS-BOT-BC221508  Lepechinia calycina Alice Eastwood; John Thomas Howell 1938-6-14 5936 San Luis Obispo Prefumo Canyon Comment
  UC1124455  Lepechinia calycina H. C. Lee 1936-4-9 555 San Luis Obispo 1 1/4 miles ENE of Saddle Peak 518 Comment
  UC456128  Lepechinia calycina I. J. Condit 1908-5-2 San Luis Obispo Bishop Peak Comment
  UC456129  Lepechinia calycina E. P. Unangst 1906-5-30 San Luis Obispo Perfumo Canyon Comment
  OBI55345  Lepidium appelianum David J. Keil 1998-5-6 27131 San Luis Obispo Outskirts of San Luis Obispo. S of west end of Madonna Rd. and W of Los Osos Valley Rd. Comment
  OBI48248  Lepidium lasiocarpum David J. Keil 1989-5-3 21212 -1 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
  OBI75000  Lepidium nitidum David J. Keil 1988-3-19 20436 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  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
  UCR161356  Lepidium nitidum var. oreganum George K. Helmkamp, E. A. Helmkamp 2005-3-8 9073 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  UCR61739  Lepidium oblongum George K. Helmkamp 1989-4-17 s.n. San Luis Obispo Irish Hills, at the crest of Prefumo Canyon Road 366 Comment
  UCR161351  Lepidium pinnatifidum George K. Helmkamp, E. A. Helmkamp 2005-3-8 9068 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  UCSB39847  Leptosiphon grandiflorus Shaw, J. 1982-7-1 San Luis Obispo Los Osos Valley Road at intersection with Descanso Street 30 Comment
  OBI75060  Leptosiphon parviflorus David J. Keil 1988-3-19 20399 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  RSA778171  Leptosiphon parviflorus David J. Keil 1988-3-19 20399 San Luis Obispo Froom Ranch, SW of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, SW of San Luis Obispo city limits. 30 Comment
  CAS-BOT-BC130788  Lilium pardalinum Alice Eastwood; John Thomas Howell 1938-6-14 5918 San Luis Obispo Prefumo Canyon Comment
  OBI58987  Lilium pardalinum subsp. pardalinum David J. Keil 1998-6-23 27857 San Luis Obispo At Baldwin residence and on property to west of Baldwin property along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI73556  Lilium pardalinum subsp. pardalinum David J. Keil 2010-11-2 30939 San Luis Obispo Lower Prefumo Canyon Road, 1.6 miles from intersection with Los Osos Valley Road. Along channel of Prefumo Creek 70 Comment
  UC1953191  Lilium pardalinum subsp. pardalinum David Keil 2010-11-2 30939 San Luis Obispo Lower Prefumo Canyon Road, 1.6 miles from intersection with Los Osos Valley Road. Along channel of Prefumo Creek. Comment
  UC843962  Lilium pardalinum subsp. pardalinum Alice Eastwood and John Thomas Howell 1938-6-14 5918 San Luis Obispo Prefumo Canyon Comment
  UC570289  Linanthus parviflorus P. L. Johannsen 1936-3-22 734 San Luis Obispo 1.75 mi sw San Luis Obispo; San Luis Obispo Quad. 106 Comment
  UC1311635  Lithophragma affine Robert J. Rodin 1954-4-3 5949 San Luis Obispo Bishop's Peak Comment
  CDA25415  Lithophragma cymbalaria G. D. Barbe, J. L. Johnson 1973-3-13 1134 San Luis Obispo Bishop Canyon Road (See Canyon) north of Avila Beach. 0 Comment
  UCR115777  Lithophragma heterophyllum George K. Helmkamp, E. A. Helmkamp 2000-4-20 5386 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR161343  Lithophragma heterophyllum George K. Helmkamp, E. A. Helmkamp 2005-3-8 9041 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills. 1.1 mi SW of Los Osos Valley Road along Prefumo Canyon Road 98 Comment
  OBI44809  Logfia gallica David J. Keil 1979-7-1 13119 San Luis Obispo Ridge between Prefumo and See Cyns. About 5 mi from jctn of Los Osos Valley red and Prefumo Cyn Rd Comment
  OBI72818  Logfia gallica Michael Walgren 2010-4-29 140 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 279 Comment
  OBI77057  Lomatium caruifolium David J. Keil 1988-3-19 20426 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  SD244560  Lomatium caruifolium David Keil 1988-3-19 20406 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Flat near Sos Osos Valley Road, dry channel of Froom Cree and hills. 29 Comment
  UC310382  Lomatium caruifolium var. caruifolium Philip A. Munz 1925-3-24 9234 San Luis Obispo 3 mi. w. San Luis Obispo Comment
  UCR161354  Lomatium caruifolium var. caruifolium George K. Helmkamp, E. A. Helmkamp 2005-3-8 9071 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  OBI27154  Lomatium dasycarpum B. W. & T. W., T. W. 1967-3-25 San Luis Obispo Prefumo Cyn Comment
  OBI77059  Lomatium dasycarpum David J. Keil 1988-3-19 20417 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI80937  Lomatium dasycarpum Joseph Prohoroff, Dean Craig, Dennis Fennessy, Margaret Barreto 2015-4-26 3 San Luis Obispo Irish Hills, Bog Thistle Trail Comment
  UC1123013  Lomatium dasycarpum subsp. dasycarpum H. C. Lee 1936-3-23 526 San Luis Obispo Mine Hill Arroyo Grande Quad., Mine Hill Comment
  CAS-BOT-BC218439  Lomatium parvifolium John Thomas Howell; Alice Eastwood 1938-6-14 5919 San Luis Obispo Prefumo Canyon Comment
  OBI38323  Lomatium parvifolium David J. Keil 1979-4-29 13056 San Luis Obispo Upper Prefumo Cyn rd Comment
  OBI44808  Lomatium parvifolium David J. Keil 1979-7-1 13120 San Luis Obispo Ridge between Prefumo and See cyns. About 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd Comment
  UC1953221  Lomatium parvifolium David Keil 2009-5-23 30610 San Luis Obispo San Luis Obispo. Laguna Lake Park. Comment
  UC640628  Lomatium parvifolium Alice Eastwood and John Thomas Howell 1938-6-14 5919 San Luis Obispo Prefumo Canyon Comment
  UCR42862  Lomatium parvifolium David J. Keil 1979-4-29 13056 San Luis Obispo Upper Prefumo Canyon Road Comment
  OBI20294  Lomatium utriculatum Robert J. Rodin 1954-4-3 5941 San Luis Obispo Bishop peak on the east side mountain in heavily grazed area Comment
  OBI20295  Lomatium utriculatum Robert J. Rodin 1954-4-3 5941 San Luis Obispo Bishop Peak on the east side of the mountain in a heavily grazed area Comment
  OBI23358  Lomatium utriculatum Robert J. Rodin 1954-4-3 5941 San Luis Obispo Bishop Peak on the east side of the mountain in a heavily grazed area Comment
  OBI77054  Lomatium utriculatum David J. Keil 1988-3-19 20425 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI8848  Lomatium utriculatum Robert J. Rodin 1954-4-3 5941 San Luis Obispo East side of Bishop's peak, SLO Comment
  UCR161322  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2005-3-8 9081 San Luis Obispo Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road 409 Comment
  UCR87685  Lonicera hispidula George K. Helmkamp, E. A. Helmkamp 1995-6-20 95 2 24 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  UC1125242  Lonicera hispidula var. vacillans H. C. Lee 1936-4-6 550 San Luis Obispo 1 mi e Saddle Peak; Port San Luis Quadrangle Comment
  UC1125246  Lonicera hispidula var. vacillans H. C. Lee 1936-5-11 599 San Luis Obispo 1/2 mi s of head Davis Canyon; Port San Luis Quadrangle Comment
  UC455868  Lonicera hispidula var. vacillans E. P. Unangst 1906-1 San Luis Obispo Perfumo Canyon Comment
  UCR118373  Lonicera hispidula var. vacillans George K. Helmkamp, E. A. Helmkamp 1998-7-1 4252 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  OBI13213  Lotus corniculatus R. R. La Belle 1967-10-10 27 San Luis Obispo Laguna lake, San Luis Obispo. NE side of lake Comment
  SEINET8075653  Lotus corniculatus Lindsy Mobley, Vanessa Shevlin; Chad Porter 2014-5-20 2 San Luis Obispo Laguna Lake, San Luis Obispo, along the eastern side of the North Shore, 20 ft from water.; 0 12 Comment
  UCR100023  Lotus junceus George K. Helmkamp, E. Helmkamp 1990-11-21 - 2 -19 San Luis Obispo Bear Creek Ranch, 6 mi. SE of Los Osos on Clark Valley Rd. 396 Comment
  UC454675  Lotus micranthus E. P. Unangst 1906-5-30 San Luis Obispo Perfumo Canyon Comment
  UCR115581  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 2000-4-20 5413 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  UCR123182  Lotus micranthus George K. Helmkamp, E. A. Helmkamp 1998-5-20 3890 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
  UCR122460  Lotus procumbens var. procumbens George K. Helmkamp, E. A. Helmkamp 1998-5-20 4000 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
  UCR118337  Lotus purshianus George K. Helmkamp, E. A. Helmkamp 2000-9-2 5964 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  UCR118344  Lotus purshianus var. purshianus George K. Helmkamp, E. A. Helmkamp 2000-9-2 5970 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  UCR134389  Lotus scoparius var. scoparius George K. Helmkamp, E. A. Helmkamp 2001-4-29 6582 San Luis Obispo Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos 213 Comment
  UCR134418  Lotus wrangelianus George K. Helmkamp, E. A. Helmkamp 2001-4-29 6577 San Luis Obispo Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos 213 Comment
  UC454671  Lupinus affinis I. J. Condit 1910-6-4 San Luis Obispo Prefumo Canyon Prefumo Canyon, San Luis Obispo (San Luis Obispo); , Prefumo Canyon Comment
  OBI23311  Lupinus albifrons J. T. Arnold 1965-4-11 50 San Luis Obispo West side of See Canyon, S 1/2 sect 11, T31S, R11E Comment
  UC1129329  Lupinus albifrons H. C. Lee 1936-5-11 600 San Luis Obispo 1/2 mi s head of Davis Canyon; Port San Luis Quad. Comment
  OBI72024  Lupinus bicolor Michael Walgren 2010-2-1 75 San Luis Obispo irish Hills, Montana de Oro State park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn Rd 335 Comment
  OBI75058  Lupinus bicolor David J. Keil 1988-3-19 20401 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI79708  Lupinus concinnus David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31376 San Luis Obispo San Luis Range (Irish Hills). Ruda Road 482 Comment
  UCR161346  Lupinus hirsutissimus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9056 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road 140 Comment
  OBI72011  Lupinus latifolius Michael Walgren 2010-2-1 72 San Luis Obispo Irish Hills, Montana de Oro State park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn Rd Comment
  UCD108118  Lupinus latifolius G. K. Helmkamp; E. A. Helmkamp 2001-4-29 6569 San Luis Obispo San Luis Obispo County: Irish Hills: Clark Valley Rd., 2.8 mi S of Los Osos Valley Rd (E of Los Osos). 91 Comment
  UCD108119  Lupinus latifolius G. K. Helmkamp; E. K. Helmkamp 2001-4-29 6588 San Luis Obispo San Luis Obispo County: Irish Hills; Clark Valley Road; 4.2 mi S of Los Osos Valley Rd. (east of Los Osos). 274 Comment
  UCR103809  Lupinus latifolius George K. Helmkamp 1997-3-8 1452 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
  UCR61743  Lupinus latifolius George K. Helmkamp 1989-4-17 s.n. San Luis Obispo Irish Hills, at the crest of Prefumo Canyon Road 366 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
  RSA22259  Lupinus latifolius subsp. latifolius Alice Eastwood 1939-4-18 18924 San Luis Obispo Prefumo Canyon. Comment
  UCR134394  Lupinus latifolius subsp. latifolius George K. Helmkamp, E. A. Helmkamp 2001-4-29 6588 San Luis Obispo Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos 274 Comment
  UCR161349  Lupinus latifolius subsp. latifolius George K. Helmkamp, E. A. Helmkamp 2005-3-9 9108 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 5.7 mi N of San Luis Bay Drive 399 Comment
  UCR88710  Lupinus latifolius subsp. latifolius George K. Helmkamp, E. A. Helmkamp 1995-6-20 95-2- 23 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  UCR115562  Lupinus latifolius subsp. parishii George K. Helmkamp, E. A. Helmkamp 2000-4-20 5389 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR122465  Lupinus latifolius var. latifolius George K. Helmkamp, E. A. Helmkamp 1998-5-20 4006 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
  UCD108210  Lupinus latifolius var. parishii G. K. Helmkamp; E. A. Helmkamp 2000-4-20 5389 San Luis Obispo San Luis Obispo County: Central Coast: Prefumo Cyn., 1.2 mi S of Los Osos Valley Rd. 183 Comment
  OBI79623  Lupinus microcarpus Sarah Ching 2014-5-24 1 San Luis Obispo San Luis Obispo, Johnson Ranch, 0.25 miles right side of left path. Comment
  OBI48179  Lupinus microcarpus var. densiflorus David J. Keil 1979-7-1 13129 San Luis Obispo Ridge between Prefumo and See Cyns. About 5 mi from jctn of los Osos Valley Rd and Prefumo Cyn Rd Comment
  UCR118380  Lupinus microcarpus var. densiflorus George K. Helmkamp, E. A. Helmkamp 1998-7-1 4243 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  OBI31792  Lupinus nanus Turnquist, Smeltzer 1982-5-1 76 San Luis Obispo On the NE side of Laguna Lake Park Comment
  UC454947  Lupinus nanus I. J. Condit 1910-5-14 San Luis Obispo Osos Valley Comment
  UCR118945  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 1998-7-1 4253 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  UC1129691  Lupinus rivularis B. Bolt 1936-3-13 622 San Luis Obispo 1/2 mi sw of mouth Sycamore Canyon; San Luis Obispo Quad., sw of mouth Sycamore Canyon Comment
  OBI12823  Lupinus succulentus B. W. & T. W., T. W. 1967-3-25 s.n. San Luis Obispo Perfumo Cyn Comment
  UCR134390  Lupinus succulentus George K. Helmkamp, E. A. Helmkamp 2001-4-29 6583 San Luis Obispo Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos 213 Comment
  UCR161326  Lupinus succulentus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9062 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road 140 Comment
  UCR161341  Lupinus succulentus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9085 San Luis Obispo Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road 409 Comment
  UCR97567  Lupinus succulentus George K. Helmkamp 1997-3-8 1441 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
  OBI12811  Lupinus truncatus Robert J. Rodin 1958-4-4 6206 San Luis Obispo Top of Bishop's Peak, SLO Comment
  OBI12813  Lupinus truncatus Robert J. Rodin 1958-4-4 6206 San Luis Obispo Top of Bishop's Peak, SLO Comment
  UCR115564  Lupinus truncatus George K. Helmkamp, E. A. Helmkamp 2000-4-20 5391 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR161347  Lupinus truncatus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9057 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road 140 Comment
  UCR247967  Luzula comosa var. comosa David J. Keil, Mike Walgren, Sally Krenn 2012-6-21 31367 San Luis Obispo Central Coast, San Luis Range, Irish Hills. Road from See Canyon to Davis Peak 447 Comment
  OBI79605  Luzula subsessilis David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31367 San Luis Obispo San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. 447 Comment
  OBI31689  Lysimachia arvensis Turnquist, Smeltzer 1982-5-1 94 San Luis Obispo On the NE side of Laguna Lake Park Comment
  OBI80968  Lysimachia arvensis Joseph Prohoroff, Dean Craig, Dennis Fennessy, Margaret Barreto 2015-4-26 2 San Luis Obispo Irish Hills: Bog Thistle Trail Comment
  OBI10719  Lysimachia latifolia R. Wunrow Apr-54 s.n. San Luis Obispo Perfumo Cyn Comment
  OBI10720  Lysimachia latifolia R. D. Brister 1966-5-6 111 San Luis Obispo In Perfumo Cyn near San Luis Obispo Comment
  OBI58350  Lythrum californicum David J. Keil 1998-7-2 27909 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  SBBG132539  Lythrum californicum D. Keil 2009-6-30 30627 San Luis Obispo San Luis Obispo outskirts, Froom Ranch off Calle Joaquin W of Los Osos Valley Rd 55 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
  OBI36951  Lythrum hyssopifolia Eric Wise 1981-6-15 566 San Luis Obispo N shore of Laguna Lake, SLO Comment
  OBI82654  Lythrum hyssopifolia David J. Keil 2015-6-20 33259 San Luis Obispo Prefumo Canyon just east of 1st bridge 65 Comment
  SBBG48513  Lythrum hyssopifolia L. W. Edge 1974-6-12 477 San Luis Obispo N of Laguna Lake Comment
  SBBG54987  Lythrum hyssopifolia D. Keil 1977-11-12 San Luis Obispo Laguna Lake Park Comment
  UCSB37988  Lythrum hyssopifolia Edge, Lyda 1974-6-12 San Luis Obispo North of Laguna Lake 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
  OBI72817  Madia gracilis Michael Walgren 2010-4-29 139 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 Comment
  UCD134316  Madia gracilis Daryl Koutnik 1978-6-19 527 San Luis Obispo San Luis Obispo County: Prefumo Canyon. 243 Comment
  UCR118347  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2000-9-2 5972 A San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  UCR118367  Madia gracilis George K. Helmkamp, E. A. Helmkamp 1998-6-30 4231 San Luis Obispo Central Coast Ranges, Irish Hills, SW of San Luis Obispo, Prefumo Cyn., 3.2 mi SW of Los Osos Valley Rd. 198 Comment
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Jan 7 2013
  CAS-BOT-BC345104  Madia sativa R. F. Hoover 1964-6-11 9029 San Luis Obispo Los Osos Valley 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
  UC455907  Malacothrix californica I. J. Condit 1910-5-14 San Luis Obispo Osos Valley Comment
  UCR118369  Malva nicaeensis George K. Helmkamp, E. A. Helmkamp 1998-7-1 4257 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  UCR91809  Malva nicaeensis George K. Helmkamp 1996-5-27 1109 San Luis Obispo Central Coast, west side of San Luis Obispo, south-facing slope of Bishop Peak 280 Comment
  OBI31775  Malvella leprosa Smeltzer, Turnquist 1982-7-28 209 San Luis Obispo Along the N foot trl in Laguna Lake Park Comment
  OBI25952  Marrubium vulgare Karen Bradish 1981-2-20 4 San Luis Obispo End of Madonna Rd Comment
  OBI80953  Marrubium vulgare Caroline Darsono-Lay, Kirsten Miller, Anna Norimoto 2015-4-23 2 San Luis Obispo Irish Hills Trail, beginning of trail (before you get to the trailhead) on teh left side over the fence Comment
  UCR161355  Matricaria matricarioides George K. Helmkamp, E. A. Helmkamp 2005-3-8 9072 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  OBI73550  Maytenus boaria David J. Keil 2010-7-22 30924 San Luis Obispo San Luis Obispo. Along San Adriano Street between Prefumo Canyon Road and Descanso Street. 60 Comment
  OBI56826  Medicago minima David J. Keil 1996-4-30 s.n. San Luis Obispo Froom Ranch, W of Los Osos Valley rd, S of Madonna Rd Comment
  OBI25940  Medicago polymorpha Lorraine Vinland 1981-11-3 1 San Luis Obispo E shore of Laguna Lake Comment
  OBI54288  Medicago polymorpha David J. Keil 1996-5-2 25858 San Luis Obispo Laguna Lake Park, San Luis Obispo Comment
  UCR115575  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2000-4-20 5405 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR161327  Medicago polymorpha George K. Helmkamp, E. A. Helmkamp 2005-3-8 9061 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road 140 Comment
  OBI78907  Melica imperfecta David J. Keil 1988-3-19 20432 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI79633  Melica imperfecta David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31377 San Luis Obispo San Luis Range (Irish Hills). Ruda Road 482 Comment
  UCR115573  Melica imperfecta George K. Helmkamp, E. A. Helmkamp 2000-4-20 5388 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  OBI12791  Melilotus indicus R. R. LaBelle 1967-10-19 41 San Luis Obispo Laguna lake, San Luis Obispo, on NE side of lake and peninsula Comment
  OBI31787  Melilotus indicus Turnquist, Smeltzer 1982-5-1 83 San Luis Obispo On the NE side of Laguna Lake Park Comment
  OBI75259  Melissa officinalis David J. Keil 2011-5-12 31006 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 292 Comment
  OBI73554  Mentha aquatica David J. Keil 2010-11-2 30941 San Luis Obispo Lower Prefumo Canyon Road, 1.6 miles from intersection with Los Osos Valley Road. Along channel of Prefumo Creek 70 Comment
  OBI2695  Mentha canadensis Robert F. Hoover 1969-8-25 11557 San Luis Obispo Laguna de San Luis Obispo Comment
  OBI31763  Mentha canadensis Smeltzer, Turnquist 1982-5-19 138 San Luis Obispo Along the Laguna Lake paved rd and the NE shoreline of lake Comment
  RSA216772  Mentha canadensis Robert F. Hoover 1969-8-25 11557 San Luis Obispo Laguna de San Luis Obispo. Comment
  UC1392943  Mentha canadensis R. F. Hoover 1969-8-25 11557 San Luis Obispo Laguna de San Luis Obispo Comment
  UC456134  Mentha canadensis Unangst and Jepson 1908-7-20 San Luis Obispo Laguna Comment
  OBI9750  Micranthes bryophora Robert J. Rodin 1958-4-4 6205 San Luis Obispo Near top of Bishop's peak Comment
  OBI15630  Micropus californicus var. californicus Robert F. Hoover 1947-3-25 6732 San Luis Obispo Mt. Bishop near San Luis Obispo Comment
  OBI75254  Micropus californicus var. subvestitus David J. Keil 2011-5-12 31011 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 354 Comment
  UCR61714  Micropus californicus var. subvestitus George K. Helmkamp 1989-4-17 s.n. San Luis Obispo Irish Hills, at the crest of Prefumo Canyon Road 366 Comment
  OBI59660  Microseris David J. Keil, with Jill Bushakra 2001-6-14 29551 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI15614  Microseris douglasii Robert F. Hoover 1947-3-25 6731 San Luis Obispo Mt Bishop near San Luis Obispo Comment
  OBI31619  Microseris douglasii Turnquist, Smeltzer 1982-5-1 79 San Luis Obispo On the NE side of Laguna Lake Park Comment
  OBI31620  Microseris douglasii Turnquist, Smeltzer 1982-5-1 79 San Luis Obispo On the NE side of Laguna Lake Park Comment
  OBI44858  Microseris douglasii David J. Keil 1979-7-1 13138 San Luis Obispo Ridge between Prefumo and See Cyns. About 5 mi from jctn of Los Osos Valley red and Prefumo Cyn Rd Comment
  OBI78826  Microseris douglasii Jada Golland, Tara Becker, Joey Persico 2014-4-27 1 San Luis Obispo Laguna Lake. Near dirt path under electric poles. 37 Comment
  UCR266504  Microseris douglasii David J. Keil 1979-7-1 13138 San Luis Obispo Ridge between Prefumo and See Canyons, c. 5. mi from the junction of Los Osos Valley Road and Prefumo Canyon Road 325 Comment
  OBI56603  Microseris douglasii subsp. douglasii David J. Keil 1998-4-10 26684 San Luis Obispo At LeRoy Baldwin property, 2051 O'Connor Way, SW of San Luis Obispo. Comment
  UCR115775  Microseris heterocarpa George K. Helmkamp, E. A. Helmkamp 2000-4-20 5394 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR103808  Mimulus aurantiacus George K. Helmkamp 1997-3-8 1451 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
  UCR161324  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9060 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road 140 Comment
  JEPS34366  Mimulus aurantiacus var. aurantiacus Rimo Bacigalupi and L. R. Heckard 1963-4-21 8841 San Luis Obispo ca. 6.5 mi nw Point San Luis (at Lion Rock, between Crowbar Canyon and Diablo Canyon) 22 Comment
  UC1063585  Mimulus aurantiacus var. aurantiacus B. Bolt 1936-1-21 556 San Luis Obispo 1st peak nw Cerro San Luis Obispo; San Luis Obispo Quadrangle Comment
  IRVC29572  Mimulus guttatus Mark A. Elvin, Nic Huber 2006-3-30 4628 San Luis Obispo San Luis Obispo; N-side of Laguna Lake, at base of hill. Central Coastal 61 Comment
  OBI80014  Mimulus guttatus David J. Keil 2013-7-6 31827 San Luis Obispo San Luis Range. Prefumo Canyon Road. Creek bottom just upstream of bridge 3 100 Comment
  SBBG54852  Mimulus guttatus D. Keil 1979-4-29 13058 San Luis Obispo upper Prefumo Cyn Rd Comment
  UCR118339  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 2000-9-2 5966 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  UCR118359  Mimulus guttatus George K. Helmkamp, E. A. Helmkamp 1998-6-30 4233 San Luis Obispo Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd. 198 Comment
  UCD98269  Minuartia douglasii G. K. Helmkamp; E. A. Helmkamp 2001-4-29 6592 San Luis Obispo San Luis Obispo County: Irish Hills; Profumo Cyn. Rd., 2.8 miles W of Los Osos Valley Road (SW of San Luis Obispo.) 91 Comment
  OBI36942  Modiola caroliniana Eric Wise 1982-6-24 1545 San Luis Obispo S shore of Laguna Lake, SLO 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
  OBI58161  Monardella palmeri David J. Keil 1998-6-23 27856 San Luis Obispo At Baldwin residence and on property to west of Baldwin property along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  UC2013175  Monardella villosa David Keil 1979-7-1 13117 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  JEPS62410  Monardella villosa subsp. obispoensis E. P. Unangst 1907-7-1 San Luis Obispo Prefumo Canyon, near San Luis Obispo Comment
  OBI44811  Monardella villosa subsp. obispoensis David J. Keil 1979-7-1 13117 San Luis Obispo Ridge between Prefumo and See Cyns. About 5 mi from jctn of los Osos Valley Rd and Prefumo Cyn Rd Comment
  OBI78259  Monardella villosa subsp. obispoensis Robert F. Hoover 1946-8-3 6260 San Luis Obispo Above Perfumo Cyn, San Luis range Comment
  RSA42986  Monardella villosa subsp. obispoensis Robert F. Hoover 1946-8-3 6260 San Luis Obispo Above Perfumo Canyon Comment
  UC771643  Monardella villosa subsp. obispoensis R. F. Hoover 1946-8-3 6260 San Luis Obispo Above Perfumo Canyon; San Luis Range Comment
  SBBG123087  Monardella villosa var. obispoensis D. Keil 1979-7-1 13117 San Luis Obispo ridge between Prefumo and See cyns, ca 5 mi from jct of Los Osos Valley Rd and Prefumo Cyn Rd Comment
  OBI12289  Morella californica Robert F. Hoover 1946-8-26 6347 San Luis Obispo Los Osos Valley Comment
  CDA43113  Muhlenbergia microsperma David J. Keil 1988-3-19 20414 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI75009  Muhlenbergia microsperma David J. Keil 1988-3-19 20414 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI22037  Muhlenbergia utilis Robert F. Hoover 1947-1-26 6602 San Luis Obispo Osos Valley Comment
  CAS-BOT-BC101760  Myrica californica R. F. Hoover 1946-8-26 6347 San Luis Obispo Los Osos Valley Comment
  CAS-BOT-BC101761  Myrica californica R. F. Hoover 1946-8-26 6347 San Luis Obispo Los Osos Valley Comment
  SBBG118213  Nassella pulchra E. Painter, M. Wetherwax, K. Downing 2002-10-1 SLO 253 San Luis Obispo Chumash Pk, above Sherriff's Training Station; Camp San Luis Obispo; LCTA plot 315 170 Comment
  UCR87682  Navarretia hamata George K. Helmkamp, E. A. Helmkamp 1995-6-20 95- 02 - San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  UC1392630  Navarretia squarrosa R. F. Hoover 1969-8-15 11550 San Luis Obispo Los Osos Valley Comment
  UCSB39941  Navarretia squarrosa Shaw, J. 1982-7-1 San Luis Obispo at Laguna Lake Park; on Madonna Road near intersection with Los Osos Yalley Road in San Luis Obispo 30 Comment
  OBI9481  Nuttallanthus canadensis Barrett Anderson 1972-2-27 311 San Luis Obispo Los Osos Valley Comment
  OBI59656  Orobanche californica subsp. jepsonii David J. Keil, with Jill Bushakra 2001-6-14 29557 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  UC455563  Orobanche fasciculata E. P. Unangst July 1906 San Luis Obispo Perfumo Canyon. Comment
  RSA201633  Orthocarpus faucibarbatus Robert F. Hoover 1950-5-15 7920 San Luis Obispo Near northwest end of Laguna, San Luis Obispo. Comment
  OBI79423  Osmorhiza berteroi David J. Keil 2013-6-6 31788 San Luis Obispo San Luis Range. Upper Prefumo Canyon 190 Comment
  OBI75258  Osmorhiza chilensis David J. Keil 2011-5-12 31007 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 292 Comment
  UC1953192  Oxalis David Keil 2010-10-18 30931 San Luis Obispo San Luis Obispo. 940 Del Rio Ave. Comment
  CDA34285  Oxalis latifolia David J. Keil 2010-10-18 30931 San Luis Obispo San Luis Obispo. Del Rio Avenue. Comment
  OBI30931  Oxalis latifolia David J. Keil 2010-10-18 30931 San Luis Obispo San Luis Obispo. 940 Del Rio Ave. 60 Comment
  SBBG127211  Oxalis latifolia D. Keil 2010-10-18 30931 San Luis Obispo 940 Del Rio Ave, San Luis Obispo 60 Comment
  OBI11850  Paeonia californica Robert J. Rodin 1954-4-3 5944 San Luis Obispo Bishop's Peak, San Luis Obispo Comment
  OBI78699  Paeonia californica Haley Harris 2013-2-10 1 San Luis Obispo Bishop Peak, north side of the trail between the east switchback and the trail fork leading to Foothill Boulevard. 280 Comment
  OBI75217  Panicum dichotomiflorum subsp. dichotomiflorum David J. Keil 2011-7-4 31057 San Luis Obispo San Luis Obispo. 1565 Descanso Drive (between Los Osos Valley Road and Del Rio Ave. Comment
  RSA0028261  Panicum dichotomiflorum subsp. dichotomiflorum David J. Keil 2011-7-4 31057 San Luis Obispo San Luis Obispo. 1565 Descanso Drive (between Los Osos Valley Road and Del Rio Ave.) Comment
  CDA43310  Papaver somniferum David J. Keil 2008-5-29 30526 San Luis Obispo Prefumo Canyon Road next to Prefumo Canyon Creek, adjacent to walking trail, just east of trailhead parking lot. Comment
  UC1928074  Papaver somniferum David Keil 2008-5-29 30526 San Luis Obispo Prefumo Canyon Road next to Prefumo Canyon Creek, adjacent to walking trail, just east of trailhead parking lot. 35 15'43.55''N x 120 42'40.90''W. 61 Comment
  OBI80119  Parnassia palustris David J. Keil, Matt Ritter, Jenn Yost, Bill Waycott, Dave Myers, Bruce Berlin, et al. 2015-1-24 32560 San Luis Obispo Irish Hills Natural Reserve, San Luis Obispo Open Spaces. Branch trail from Old Prospector Trail up side canyon. Serpentine parent material. 220 Comment
  UCR92524  Paspalum dilatatum George K. Helmkamp 1996-5-27 1103 San Luis Obispo Central Coast, west side of San Luis Obispo, south-facing slope of Bishop Peak 280 Comment
  OBI33460  Pelargonium grossularioides David J. Keil 2016-2-25 33460 San Luis Obispo San Luis Obispo. 978 Capristrano Court 70 Comment
  UCR132141  Pelargonium grossularioides George K. Helmkamp, E. A. Helmkamp 2001-4-29 6578 San Luis Obispo Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos 213 Comment
  OBI78684  Pelargonium quercifolium Aaron Keyser 2013-2-11 1 San Luis Obispo Bishop Peak, 100 ft from trail entrance at Highland Drive. Next to large boulder near a fence. 207 Comment
  CAS-BOT-BC69246  Pellaea andromedifolia R. F. Hoover 1947-3-21 6707 San Luis Obispo West base of Mt. Bishop near S.L.O. Comment
  UCR118358  Pellaea andromedifolia George K. Helmkamp, E. A. Helmkamp 1998-6-30 4230 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  UC1874944  Pellaea mucronata subsp. mucronata Ruth Kirkpatrick 2003-7-7 1165 San Luis Obispo Bishop Peak, along trail to summit. 320 Comment
  SBBG55738  Pentagramma triangularis subsp. triangularis R. J. Rodin 1959-3-18 6320 San Luis Obispo N side of Bishop Pk Comment
  UCR118949  Pentagramma triangularis subsp. triangularis George K. Helmkamp, E. A. Helmkamp 1998-6-30 4232 San Luis Obispo Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd. 198 Comment
  OBI81332  Perideridia pringlei David J. Keil, Janet Haden 1988-5-24 20684 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  UC1953261  Perideridia pringlei David Keil 2009-5-23 30611 San Luis Obispo San Luis Obispo. Laguna Lake Park. Comment
  CAS-BOT-BC413604  Persicaria amphibia R. F. Hoover 1969-8-25 11559 San Luis Obispo Laguna de San Luis Obispo Comment
  OBI10860  Persicaria amphibia Robert F. Hoover 1969-8-25 11559 San Luis Obispo Laguna de San Luis Obispo Comment
  OBI10866  Persicaria amphibia Robert F. Hoover 1946-8-26 6365 San Luis Obispo S end of Laguna, near San Luis Obispo Comment
  OBI31701  Persicaria amphibia Turnquist, Smeltzer 1982-5-22 152 San Luis Obispo Laguna Lake Park in vicinity of the boat launching facilities Comment
  OBI31702  Persicaria amphibia Turnquist, Smeltzer 1982-5-22 152 San Luis Obispo Laguna Lake Park in vicinity of the boat launching facilities Comment
  OBI36811  Persicaria amphibia Eric Wise 1981-6-15 558 San Luis Obispo N shore of Laguna lake, SLO Comment
  OBI45708  Persicaria amphibia Clifton F. Smith 1960-6-9 6176 San Luis Obispo In Laguna Lake, SW of San Luis Obispo Comment
  SBBG48522  Persicaria amphibia L. W. Edge 1974-6-12 479 San Luis Obispo edge of Laguna Lake S of San Luis Obispo Comment
  SBBG86210  Persicaria amphibia C. F. Smith 1960-6-9 6176 San Luis Obispo Laguna Lake, SW of San Luis Obispo Comment
  UCSB37992  Persicaria amphibia Edge, Lyda 1974-6-12 San Luis Obispo Edge of Laguna Lake south of San Luis Obispo Comment
  UCSB39879  Persicaria amphibia Shaw, J. 1982-7-2 San Luis Obispo Laguna Lake on Madonna Road in San Luis Obispo 45 Comment
  SD148141  Phacelia californica G. K. Helmkamp, E. A. Helmkamp 2001-4-29 6597 San Luis Obispo Irish Hills: Profumo Canyon Road, 2.8 miles west of Los Osos Vallaey Road. 91 Comment
  UC1602028  Phacelia californica P. L. Johannsen 1936-3-22 733 San Luis Obispo 1 3/4 mi sw San Luis Obispo (Plot 11); San Luis Obispo Quadrangle 106 Comment
  UCR134403  Phacelia californica George K. Helmkamp, E. A. Helmkamp 2001-4-29 6597 San Luis Obispo Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo 91 Comment
  OBI19535  Phacelia distans B. W. & T. W., T. W. 1967-3-25 s.n. San Luis Obispo Prefumo Cyn Comment
  OBI55648  Phacelia egena David J. Keil 1989-5-3 21203 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
  SBBG48481  Phacelia imbricata L. W. Edge 1974-6-10 457 San Luis Obispo upper Prefumo Cyn Comment
  UCR118366  Phacelia imbricata subsp. imbricata George K. Helmkamp, E. A. Helmkamp 1998-6-30 4229 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  UC455965  Phacelia malvifolia E. P. Unangst 1906-4-21 San Luis Obispo Davis Canyon Comment
  UC762347  Phacelia malvifolia Robert F. Hoover 1946-4-27 6082 San Luis Obispo See Canyon Comment
  OBI13754  Phacelia malvifolia var. loasifolia Robert F. Hoover 1964-5-14 8869 San Luis Obispo See Cyn Comment
  UCR115772  Phacelia nemoralis subsp. nemoralis George K. Helmkamp, E. A. Helmkamp 2000-4-20 5399 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR122472  Phacelia viscida George K. Helmkamp, E. A. Helmkamp 1998-5-20 3896 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
  OBI59212  Phalaris californica Michael Curto 2001-5-31 29527 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  CAS-BOT-BC259086  Phalaris lemmonii R. F. Hoover 1964-6-11 9032 San Luis Obispo Los Osos Valley Comment
  CAS-BOT-BC222610  Pholistoma auritum var. auritum Ernest C. Twisselmann 1959-4-10 5028 San Luis Obispo Irish Hills: See Canyon 60 Comment
  CAS-BOT-BC222612  Pholistoma auritum var. auritum Ernest C. Twisselmann 1959-4-10 5028 San Luis Obispo Irish Hills, See Canyon 60 Comment
  CDA19643  Pholistoma auritum var. auritum G. D. Barbe, Jim Johnson 1973-3-12 1132 San Luis Obispo Central Coast; Bishop Canyon Rd (See Canyon), north of Avila Beach. 60 Comment
  OBI13719  Pholistoma auritum var. auritum Robert J. Rodin 1954-4-3 5950 San Luis Obispo E side of Bishop's peak, San Luis Obispo Comment
  OBI19543  Pholistoma auritum var. auritum B. W. & T. W., T. W. 1967-4-4 s.n. San Luis Obispo Perfumo Cyn Comment
  OBI4452  Pholistoma auritum var. auritum Robert J. Rodin 1954-4-3 5950 San Luis Obispo Bishop's peak Comment
  OBI31663  Phyla nodiflora Turnquist, Smeltzer 1982-5-22 153 San Luis Obispo Laguna Lake Park in vicinity of the boat launching facilities Comment
  OBI8675  Phyla nodiflora R. R. LaBelle 1967-10-10 45 San Luis Obispo Laguna Lake, San luis Obispo. NE side of lake Comment
  UCR118365  Pickeringia montana George K. Helmkamp, E. A. Helmkamp 1998-6-30 4228 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  OBI12775  Pickeringia montana var. montana R. D. Brister 1966-5-6 67 San Luis Obispo In Perfumo Cyn near SLO Comment
  OBI44860  Pickeringia montana var. montana David J. Keil 1979-7-1 13136 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 mi from jctn of Los Osos Valley rd and Prefumo Canyon rd Comment
  OBI72005  Pickeringia montana var. montana Michael Walgren 2010-2-16 80 San Luis Obispo Irish Hills, Prefumo Cyn rd, about 5.06 mi from Los Osos Valley rd Comment
  UC454640  Pickeringia montana var. montana E. P. Unangst 1906-5-30 San Luis Obispo Prefumo Canyon Comment
  UC454641  Pickeringia montana var. montana J. E. Roadhouse San Luis Obispo Prefumo Canyon; n slopes Comment
  UC569813  Pickeringia montana var. montana B. Bolt 1936-3-19 639 San Luis Obispo 3/4 mi s mouth of Sycamore Canyon; San Luis Obispo Quadrangle 182 Comment
  OBI73364  Pinus coulteri David J. Keil 2010-3-15 30662 -5 San Luis Obispo Upper Prefumo Canyon Road below See-Prefumo Canyon summit Comment
  UCR246620  Pinus coulteri Patrick O'Bannon 1973-2-4 015 San Luis Obispo 3 mi in on Perfumo Canyon Road 183 Comment
  OBI31758  Pinus radiata Turnquist, Smeltzer 1982-5-22 149 San Luis Obispo Laguna Lake Park in vicinity of the boat launching facilities Comment
  UCR119241  Piptatherum miliaceum George K. Helmkamp, E. A. Helmkamp 2000-9-2 5963 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  UCR161285  Pityrogramma triangularis var. triangularis George K. Helmkamp, E. A. Helmkamp 2005-3-8 9044 San Luis Obispo Central Coast Hills, Prefumo Canyon, north side of Irish Hills. 1.1 mi SW of Los Osos Valley Road along Prefumo Canyon Road 98 Comment
  OBI20591  Plagiobothrys bracteatus Robert F. Hoover 1964-6-11 9030 San Luis Obispo Los Osos Valley Comment
  OBI77056  Plagiobothrys canescens David J. Keil 1988-3-19 20427 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  SD244644  Plagiobothrys canescens David Keil 1988-3-19 20427 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of Sn Luis Obispo city limits. 29 Comment
  OBI77060  Plagiobothrys nothofulvus David J. Keil 1988-3-19 20413 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  RSA0029637  Plagiobothrys nothofulvus David J. Keil 1988-3-19 20413 San Luis Obispo Froom Ranch, SW of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, SW of San Luis Obispo city limits. 30 Comment
  SD244645  Plagiobothrys nothofulvus David Keil 1988-3-19 20403 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. 29 Comment
  SEINET3928287  Plagiobothrys nothofulvus David Keil 1988-4-19 20413 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits.; 0 30 Comment
  UCR115576  Plagiobothrys nothofulvus George K. Helmkamp, E. A. Helmkamp 2000-4-20 5404 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  OBI20610  Plagiobothrys trachycarpus Robert F. Hoover 1950-5-15 7921 San Luis Obispo Near NW end of Laguna, San Luis Obispo Comment
  UCR161359  Plantago erecta George K. Helmkamp, E. A. Helmkamp 2005-3-8 9077 San Luis Obispo Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road 409 Comment
  OBI11639  Plantago lanceolata R. R. LaBelle 1967-4-2 20 San Luis Obispo Laguna Lake, San Luis Obispo Comment
  OBI31712  Plantago lanceolata Turnquist, Smeltzer 1982-5-1 85 San Luis Obispo On the NE side of Laguna lake Park Comment
  OBI81473  Plantago lanceolata Rachel Katz, Jose Vazquez, Logan Williams , Megan Charney 2015-10-31 2 San Luis Obispo The plant samples were taken from 15 feet around the Mariposa trailhead, however this plant could be collected pretty much anywhere along the trail. Comment
  UCD124593  Plantago lanceolata Daryl Koutnik 1978-6-19 526 San Luis Obispo San Luis Obispo County: Prefumo Canyon. 243 Comment
  OBI11634  Plantago major R. R. LaBelle 1967-10-10 36 San Luis Obispo Laguna Lake, San Luis Obispo Comment
  OBI18636  Plantago major Annemarie Rond 1977-5-28 100 San Luis Obispo At Laguna Lake on Madonna Rd, Laguna Village Comment
  OBI31711  Plantago major Smeltzer, Turnquist 1982-5-19 135 San Luis Obispo Along the Laguna Lake paved rd and the NE shoreline of lake Comment
  OBI11616  Platanus racemosa R. A. Hays 1957-10-12 s.n. San Luis Obispo Perfumo Cyn Comment
  OBI36830  Platanus racemosa Eric Wise 1983-9-23 1792 San Luis Obispo North shore of Laguna Lake Comment
  OBI80285  Platanus racemosa Silvia Viola, Rachel Ainley, Chad Zoller 2014-11-11 5 San Luis Obispo 302 feet on Felsman loop from Patricia Drive in San Luis Obispo 177 Comment
  UC1127682  Platanus racemosa B. Bolt 1936-3-19 640 San Luis Obispo 1/2 mi s mouth of Sycamore Canyon; San Luis Obispo Quadrangle Comment
  CAS-BOT-BC91986  Platystemon californicus R. F. Hoover 1949-4-4 7583 San Luis Obispo West base of Mount Bishop near San Luis Obispo. Comment
  OBI75049  Platystemon californicus David J. Keil 1988-3-19 20424 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI81305  Platystemon californicus Zoe Dascalos, Lindsey Ellenburg, Jake Williams, Alexis Martin, Maerill Ceballos 2015-4-24 6 San Luis Obispo Johnson Ranch Open Space. Comment
  RSA778172  Platystemon californicus David J. Keil 1988-3-19 20424 San Luis Obispo Froom Ranch, SW of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, SW of San Luis Obispo city limits. 30 Comment
  SEINET3928714  Platystemon californicus David Keil 1988-3-19 20424 San Luis Obispo Froom Ranch, southwest of US 101 and Los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits.; 0 30 Comment
  UC1126478  Platystemon californicus H. C. Lee 1936-3-19 588 San Luis Obispo 2 mi n Miles; Arroyo Grande Quad., n of Miles Comment
  UC1126479  Platystemon californicus P. L. Johannsen 1936-3-22 732 San Luis Obispo 1.75 mi sw San Luis Obispo; San Luis Obispo Quad. 106 Comment
  UC569730  Platystemon californicus P. L. Johannsen 1936-3-22 732 San Luis Obispo 1 3/4 mi sw San Luis Obispo; San Luis Obispo Quad., w of San Luis Obispo 106 Comment
  UCR115584  Platystemon californicus George K. Helmkamp, E. A. Helmkamp 2000-4-20 5410 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  UCR161339  Platystemon californicus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9083 San Luis Obispo Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road 409 Comment
  RSA648499  Platystemon californicus var. californicus Charles D. Dunn 1972-4-15 s.n. San Luis Obispo Perfumo Canyon 61 Comment
  UC1120035  Plectritis brachystemon H. C. Lee 1936-3-23 530 San Luis Obispo 1 1/2 mi s of Mine Hill 213 Comment
  UCR115778  Plectritis brachystemon George K. Helmkamp, E. A. Helmkamp 2000-4-20 5385 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  JEPS35297  Plectritis congesta R. F. Hoover 1949-5-12 7667 San Luis Obispo between Mount Bishop and Cerro Romauldo Comment
  OBI78498  Plectritis congesta subsp. brachystemon Robert F. Hoover 1949-5-12 7667 San Luis Obispo Between Mt Bishop and Cerro Romauldo Comment
  UCD137539  Plectritis congesta subsp. brachystemon G. K. Helmkamp; E. A. Helmkamp 2000-4-20 5385 San Luis Obispo San Luis Obispo County: Central Coast Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UC1224745  Plectritis macrocera R. F. Hoover 1949-5-12 7667 San Luis Obispo between Mount Bishop and Cerro Romauldo Comment
  OBI22105  Pleuropogon californicus Robert F. Hoover 1964-5-14 8880 San Luis Obispo Near NW end of Laguna, San Luis Obispo Comment
  OBI22109  Pleuropogon californicus Robert F. Hoover 1950-5-15 7917 San Luis Obispo Near NW end of Laguna, San Luis Obispo Comment
  RSA201551  Pleuropogon californicus Robert F. Hoover 1950-5-15 7917 San Luis Obispo Near northwest end of Laguna, San Luis Obispo. Comment
  SD71407  Pleuropogon californicus R. F. Hoover 1950-5-15 7917 San Luis Obispo Near northwest end of Laguna, San Luis Obispo, in low meadow Comment
  UC1153397  Pleuropogon californicus R. F. Hoover 1950-5-15 7917 San Luis Obispo near nw end Laguna (San Luis Obispo) Comment
  CAS-BOT-BC260939  Pleuropogon californicus var. californicus R. F. Hoover 1964-5-14 8880 San Luis Obispo Near northwest end of Laguna Comment
  CAS-BOT-BC260940  Pleuropogon californicus var. californicus R. F. Hoover 1950-5-15 7917 San Luis Obispo Near northwest end of Laguna Comment
  RSA201679  Pleuropogon californicus var. californicus Robert F. Hoover 1950-5-15 7917 San Luis Obispo Near northwest end of Laguna, San Luis Obispo. Comment
  OBI75065  Poa secunda David J. Keil 1988-3-19 20402 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI58970  Poa secunda subsp. secunda David J. Keil 1998-4-10 26683 San Luis Obispo At LeRoy Baldwin property, 2051 O'Connor Way, SW of San Luis Obispo. Comment
  OBI44867  Pogogyne douglasii David J. Keil 1979-7-1 13126 San Luis Obispo Ridge between Prefumo and See Cyns. About 5 mi from jctn of los Osos Valley Rd and Prefumo Cyn Rd Comment
  RSA659434  Pogogyne douglasii David J. Keil 1979-7-1 13126 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  UC2013173  Pogogyne douglasii David Keil 1979-7-1 13126 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  UCR246617  Pogogyne douglasii Lynne Dee Oyler, David J. Keil 1988-6-23 534 San Luis Obispo Upper Perfumo Canyon Road near summit 294 Comment
  OBI58159  Pogogyne serpylloides David J. Keil 1998-7-2 27904 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI59365  Pogogyne serpylloides David J. Keil 2001-5-31 29524 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  UC1392959  Polygonum amphibium var. emersum R. F. Hoover 1969-8-25 11559 San Luis Obispo Laguna de San Luis Obispo Comment
  UC454284  Polygonum amphibium var. emersum I. J. Condit 1908-10-4 San Luis Obispo Laguna Comment
  UC771747  Polygonum amphibium var. emersum R. F. Hoover 1946-8-26 6365 San Luis Obispo s end near San Luis Obispo; Laguna Comment
  OBI31703  Polygonum aviculare Smeltzer, Turnquist 1982-7-28 205 San Luis Obispo Along the N foot trl in Laguna Lake Park Comment
  CDA25993  Polygonum lapathifolium R. R. La Belle 1967-10-1 35 San Luis Obispo Laguna Lake, San Luis Obispo. Northeast side of lake. 0 Comment
  OBI79602  Polypodium californicum David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31368 San Luis Obispo San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. 447 Comment
  SBBG55740  Polypodium californicum R. J. Rodin 1959-3-18 6321 San Luis Obispo N side of Bishop Pk Comment
  SEINET3873590  Polypodium californicum Merlyne Prescott 1969-4-7 139 San Luis Obispo In Perfumo Canyon.; 0 Comment
  OBI72016  Polypodium calirhiza Michael Walgren 2010-2-1 68 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See 335 Comment
  OBI75260  Polypodium calirhiza David J. Keil 2011-5-12 31005 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 282 Comment
  UC2027513  Polypodium calirhiza David J. Keil 2011-5-12 31005 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. Comment
  OBI43255  Polypogon monspeliensis Eric Wise 1982-6-24 1542 San Luis Obispo S shore of Laguna Lake, SLO Comment
  OBI37122  Populus fremontii Eric Wise 1983-9-23 1793 San Luis Obispo North Shore of Laguna Lake Comment
  OBI9877  Populus trichocarpa R. A. Hays 1957-10-12 s.n. San Luis Obispo Perfumo cyn Comment
  UC455171  Potamogeton nodosus E. P. Unangst 1908-7-20 San Luis Obispo Laguna Comment
  OBI10114  Potentilla anserina Robert F. Hoover 1969-8-25 11560 San Luis Obispo Laguna de San Luis Obispo Comment
  OBI10121  Potentilla anserina R. R. LaBelle 1967-4-2 7 San Luis Obispo Laguna Lake, San Luis Obispo. NE side of lake Comment
  OBI31684  Potentilla anserina Smeltzer, Turnquist 1982-5-19 143 San Luis Obispo Along the Laguna Lake paved rd and the NE shoreline of lake Comment
  OBI36973  Potentilla anserina Eric Wise 1982-6-24 1541 San Luis Obispo S shore of Laguna Lake SLO Comment
  OBI36982  Potentilla anserina Eric Wise 1981-6-15 563 San Luis Obispo N shore of Laguna Lake, SLO Comment
  CAS-BOT-BC141921  Potentilla anserina subsp. pacifica R. F. Hoover 1969-8-25 11560 San Luis Obispo Laguna de San Luis Obispo Comment
  UC1392944  Potentilla anserina subsp. pacifica R. F. Hoover 1969-8-25 11560 San Luis Obispo Laguna de San Luis Obispo Comment
  RSA216775  Potentilla anserina var. grandis Robert F. Hoover 1969-8-25 11560 San Luis Obispo Laguna de San Luis Obispo. Comment
  OBI83666  Primula clevelandii var. insularis Jon Catanio, Omar Gonzalez 2016-2-17 2 San Luis Obispo Irish Hills, Mariposa trail about a quarter mile in, to the left about 10 feet off the rail. Comment
  OBI10043  Prunus fasciculata var. punctata Winton Frey 1962-7-19 s.n. San Luis Obispo Los Osos Valley Comment
  RSA123186  Prunus fasciculata var. punctata A. E. Wieslander 1936-5-12 638 San Luis Obispo Los Osos Valley 76 Comment
  UC1128368  Prunus fasciculata var. punctata A. E. Wieslander 1936-5-12 638 San Luis Obispo Los Osos Valley; Cayucos Quadrangle 76 Comment
  UC453984  Prunus ilicifolia unknown 1906-1 San Luis Obispo Prefumo Canyon 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
  OBI80956  Pseudognaphalium californicum Bridget Van Beek, Madison Cheney, Dayle Morris 2015-4-23 San Luis Obispo Irish Hills Trail; 350 meters into teh left trail on left side Comment
  OBI81299  Pseudognaphalium californicum Madison Ward, Katie Larkin 2015-4-19 5 San Luis Obispo Bishop Peak. Comment
  UCD135064  Pseudognaphalium californicum G. K. Helmkamp; E. A. Helmkamp 2000-4-20 5390 San Luis Obispo San Luis Obispo County: Central Coast: Prefumo Canyon, 1.2 miles south of Los Osos Valley Road. 183 Comment
  OBI83676  Pseudognaphalium luteoalbum Tricia Bucolo 2016-2-16 1 San Luis Obispo Past trailhead of Irish Hills Natural Reserve, on side of trail near grassy area. Comment
  CAS-BOT-BC357500  Pseudognaphalium ramosissimum R. F. Hoover 1946-8-26 6354 San Luis Obispo Los Osos Valley Comment
  OBI16406  Pseudognaphalium ramosissimum Robert F. Hoover 1946-8-26 6354 San Luis Obispo Los Osos Valley Comment
  UC771720  Pseudognaphalium ramosissimum R. F. Hoover 1946-8-26 6354 San Luis Obispo Los Osos Valley Comment
  OBI75002  Psilocarphus tenellus David J. Keil 1988-3-19 20439 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  UC454338  Psilocarphus tenellus E. P. Unangst 1906-4-8 San Luis Obispo Perfumo Canyon Comment
  UCR122462  Psilocarphus tenellus var. tenellus George K. Helmkamp, E. A. Helmkamp 1998-5-20 4002 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
  UC2013176  Psoralea orbicularis David Keil 1979-7-1 13116 San Luis Obispo San Luis Range, lower Prefumo Canyon. 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
  OBI1484  Pteridium aquilinum Richard E. Simpson 1959-4-18 113 San Luis Obispo Collected at the foot of the northern face of Bishop Peak Comment
  OBI1485  Pteridium aquilinum Richard E. Simpson 1959-5-30 121 San Luis Obispo Northern side of the unnamed peak just west of Bishop Peak Comment
  UCR161319  Pteridium aquilinum George K. Helmkamp, E. A. Helmkamp 2005-3-8 9048 San Luis Obispo Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road 122 Comment
  OBI78686  Pyracantha angustifolia Jay Donovan 2013-2-9 San Luis Obispo Laguna Lake about 100 yds northwest of the main parking lot, about 5 feet from the water Comment
  OBI80950  Quercus agrifolia Katie Larkin, Madison Ward 2015-4-19 2 San Luis Obispo Bishop Peak Comment
  OBI81479  Quercus agrifolia Chase Proctor, William Pierce, Jack Tooley, Ganon Rush, Yasmin Habibi 2015-11-9 2 San Luis Obispo Pennington Creek Rd Comment
  OBI83453  Quercus agrifolia Tanner Tellenbach, Elijah Lax, Brett Donahue, Nolan Donahue 2017-1-26 2 San Luis Obispo Johnson Ranch Open Space: take Highway 101 south to exit 198 for Higuera Street. At the bottom of a horseshoe bend in the off ramp, turn left into a parking area for Johnson Ranch. To the right of the road follow the trail, cross a stream, about 100 yards up from the stream, and about 50 yards to the right of the trail if you are looking at the stream. 80 Comment
  UCR97545  Quercus agrifolia George K. Helmkamp 1997-3-8 1440 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
  OBI30553  Quercus agrifolia var. agrifolia R. Rothman 1966-2-17 18 San Luis Obispo Lower slopes of Bishop Peak Comment
  OBI31813  Quercus agrifolia var. agrifolia Turnquist, Smeltzer 1982-5-1 70 San Luis Obispo Laguna Lake Park, SLO Comment
  CAS-BOT-BC257631  Quercus berberidifolia E. L. Painter; M. Wetherwax; D. Keil 2000-4-18 SLO- 62 San Luis Obispo Camp San Luis Obispo. N side of large serpentine outcrop W of Chorro Reservoir, above tributary of Chorro Creek 200 Comment
  OBI79590  Quercus berberidifolia David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31379 San Luis Obispo San Luis Range (Irish Hills). Ruda Road near Hibberd Preserve 441 Comment
  UC1135421  Quercus chrysolepis H. C. Lee 1936-4-6 549 San Luis Obispo 1 mi e Saddle Peak; San Luis Obispo National Forest, Port San Luis Quad. 457 Comment
  UC1135422  Quercus chrysolepis N. French 1936-1-31 706 San Luis Obispo Head of David Canyon Port San Luis Quad. 457 Comment
  OBI71839  Quercus durata Neil Havlik 2009-12-1 s.n. San Luis Obispo SLO, Johnson Ranch Open Space Preserve. NW of intersection with Ontario rd and South Higuera St. West of US 101. Irish Hills, San Luis Range. Comment
  OBI73718  Quercus durata Neil Havlik 2009-12-1 s.n. San Luis Obispo SLO, Johnson Ranch Open Space Preserve. NW of intersection with Ontario rd and South Higuera St. West of US 101. Irish Hills, San Luis Range. Comment
  OBI75099  Quercus durata Michael Walgren 2011-2-2 240 San Luis Obispo Perfumo Canyon. forming a dense stand on the south side of the road above a small creek and waterfall. Adjacent to Perfumo crk rd at a pulout 1.2 mi from Los Osos Valley rd Comment
  OBI79589  Quercus durata David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31380 San Luis Obispo San Luis Range (Irish Hills). Ruda Road near Hibberd Preserve 441 Comment
  UC1135570  Quercus durata H. C. Lee 1936-4-9 559 San Luis Obispo 1 mi ne Saddle Peak; San Luis Obispo National Forest, Port San Luis Quad. 426 Comment
  UC1953172  Quercus durata Neil Havlik 2009-12-1 San Luis Obispo San Luis Obispo. Johnson Rancho Open Space Preserve. Northwest of intersection with Ontario Road and South Higuera Street, west of US 101. Irish Hills, San Luis Range Comment
  UCD102840  Quercus durata Daniel Sanchez-Mata; M. P. Rodriguez-Rojo 2002-3-30 s.n. San Luis Obispo San Luis Obispo County: S. Luis Obispo. Prefumo Canyon. Prefumo Canyon Road-See Canyon Road. 410 Comment
  OBI44862  Quercus durata var. durata David J. Keil 1979-7-1 13134 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 mi from jctn of Los Osos Valley rd and Prefumo Canyon rd Comment
  SD244718  Quercus durata var. durata David J. Keil, Mike Walgren and Sally Krenn 2012-6-21 31380 San Luis Obispo San Luis Range (Irish Hills); Ruda Road near Hibberd Preserve 441 Comment
  UCD45879  Quercus durata var. durata Roman Gankin 1969-9-21 1314 San Luis Obispo Perfumo Canyon Road off Los Osos Road southwest of San Luis Obispo. San Luis Obispo County, CA. Comment
  UCD45880  Quercus durata var. durata Roman Gankin 1969-9-21 1315 San Luis Obispo Perfumo Canyon Road off Los Osos Road southwest of San Luis Obispo. San Luis Obispo County, CA. Comment
  UCD45886  Quercus durata var. durata Roman Gankin 1969-9-21 1313 San Luis Obispo A road 2.4 miles from Los Osos Road on northwest facing slope. Perfumo Canyon area. San Luis Obispo County, CA. Comment
  UC1135721  Quercus lobata H. C. Lee 1936-5-11 598 San Luis Obispo saddle head of Mine Canyon Port San Luis Quad. 487 Comment
  OBI79598  Quercus wislizeni David J. Keil, with Mike Walgren and Sally Krenn 2012-6-21 31378 San Luis Obispo San Luis Range (Irish Hills). Ruda Road near Hibberd Preserve 441 Comment
  UC1135876  Quercus wislizeni H. C. Lee 1936-4-9 557 San Luis Obispo 1 mi ene Saddle Peak; San Luis Obispo National Forest, Port San Luis Quad. 457 Comment
  OBI56327  Ranunculus aquatilis Lynn Odendrauf Apr-74 s.n. San Luis Obispo Bishop's Peak near San Luis Obispo Comment
  OBI10575  Ranunculus californicus Robert F. Hoover 1948-3-4 7424 San Luis Obispo Osos Valley Comment
  OBI75082  Ranunculus californicus Michael Walgren 2011-2-25 223 San Luis Obispo Irish Hills, Montana de Oro State park. New Property acquisition known as the "Andre" property about 1/3 of a mi SE of the jctn of See Canyon Rd with Perfumo Cyn rd 342 Comment
  OBI83538  Ranunculus californicus Angela Yust 2017-2-23 4 San Luis Obispo San Luis Obispo, Bishop Peak trail starting at Patricia Drive entrance. head up trail about 600 feet on the right ege of trail Comment
  UC1296245  Ranunculus californicus R. F. Hoover 1948-3-4 7424 San Luis Obispo Osos Valley Comment
  UCR103803  Ranunculus californicus George K. Helmkamp 1997-3-8 1463 San Luis Obispo Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd. 107 Comment
  UCR115774  Ranunculus californicus George K. Helmkamp, E. A. Helmkamp 2000-4-20 5397 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR134420  Ranunculus californicus George K. Helmkamp, E. A. Helmkamp 2001-4-29 6580 San Luis Obispo Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos 213 Comment
  UCR161344  Ranunculus californicus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9050 San Luis Obispo Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road 122 Comment
  UCR161353  Ranunculus californicus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9070 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  UCR61755  Ranunculus californicus George K. Helmkamp 1989-4-17 s.n. San Luis Obispo Irish Hills, at the crest of Prefumo Canyon Road 366 Comment
  JEPS114152  Ranunculus californicus var. californicus E. L. Painter, M. Wetherwax 2000-3-20 SLO- 33 San Luis Obispo East side of saddle between Cerro Chumash and Cerro Romualdo. Comment
  SBBG119662  Ranunculus californicus var. californicus E. Painter, M. Wetherwax 2000-3-20 SLO 33 San Luis Obispo E side of saddle between Cerro Chumash and Cerro Romualdo; Camp San Luis Obispo 200 Comment
  OBI81375  Rhamnus crocea Madison Ward, Katie Larkin 2015-4-19 2 San Luis Obispo Bishop Peak. Generally found along Bishops Trail. Comment
  UC1121813  Rhamnus crocea B. Bolt 1936-1-21 555 San Luis Obispo 1st peak nw Cerro San Luis Obispo; San Luis Obispo Quad. 304 Comment
  UC2026916  Rhaponticum repens David Keil 1984-7-20 18305 San Luis Obispo Just E of Foothill Road along Los Osos Valley Road Comment
  OBI68379  Rhus integrifolia David J. Keil, with Kathleen A. Keil 2003-9-6 30288 -2 San Luis Obispo Bishop Peak at outskirts of San Luis Obispo. Near trail Comment
  OBI79861  Ribes indecorum David J. Keil 2012-10-23 31537 -1 San Luis Obispo Irish Hills Open Space. Mariposa Trail above junction with Bog Thistle Trail 165 Comment
  CAS-BOT-BC168967  Ribes malvaceum J. E. Roadhouse April 190_ 17 San Luis Obispo Prefumo Canyon Comment
  UC1127326  Ribes malvaceum B. Bolt 1936-3-18 636 San Luis Obispo 4 mi se of mouth Osos Creek; Cayucos Quadrangle Comment
  UC455592  Ribes malvaceum unknown San Luis Obispo Prefumo Canyon Comment
  UCR103810  Ribes malvaceum George K. Helmkamp 1997-3-8 1457 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-BC212800  Ribes menziesii R. F. Hoover 1947-1-26 6603 San Luis Obispo Los Osos Valley Comment
  CAS-BOT-BC212803  Ribes menziesii R. F. Hoover 1947-1-26 6603 San Luis Obispo Osos Valley Comment
  OBI14041  Ribes menziesii Robert F. Hoover 1947-1-26 6603 San Luis Obispo Osos Valley Comment
  OBI57963  Ribes menziesii Austin P. Griffiths 1985-3-16 s.n. San Luis Obispo Hibbard Nature Preserve Comment
  UC1127446  Ribes menziesii B. Bolt 1936-3-18 637 San Luis Obispo 4 mi se of mouth Osos Creek; Cayucos Quadrangle Comment
  SBBG54828  Ribes roezlii R. J. Rodin 1954-4-3 5447 San Luis Obispo Bishop Peak Comment
  OBI72010  Ribes sanguineum var. glutinosum Michael Walgren 2010-2-1 73 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See 335 Comment
  UC1127598 Image available Ribes sanguineum var. glutinosum H. C. Lee 1936-4-2 541 San Luis Obispo head Coon Creek; Port San Luis Quadrangle Comment
  UCR161350  Ribes sanguineum var. glutinosum George K. Helmkamp, E. A. Helmkamp 2005-3-9 9109 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 5.7 mi N of San Luis Bay Drive 399 Comment
  OBI14000  Ribes speciosum Robert J. Rodin 1954-4-3 5947 San Luis Obispo Bishop's Peak, SLO Comment
  OBI14003  Ribes speciosum Jesse Arnold 1964-2-9 7 San Luis Obispo E side of Bishop Peak, SLO Comment
  OBI4427  Ribes speciosum Robert J. Rodin 1954-4-3 5447 San Luis Obispo Bishop's Peak, SLO Comment
  OBI72018  Ribes speciosum Michael Walgren 2010-2-1 70 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See 335 Comment
  SBBG119078  Ribes speciosum E. Painter, M. Wetherwax 2000-3-20 SLO 34 San Luis Obispo E side of saddle between Cerro Chumash and Cerro Romualdo; Camp San Luis Obispo 200 Comment
  UC1311655  Ribes speciosum Robert J. Rodin 1954-4-3 5447 San Luis Obispo Bishop's Peak San Luis Obispo Comment
  UCR97558  Ribes speciosum George K. Helmkamp 1997-3-8 1447 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
  OBI37091  Rorippa palustris subsp. palustris Eric Wise 1981-6-15 564 San Luis Obispo N shore of Laguna Lake SLO Comment
  OBI80108  Rosa californica David J. Keil 2012-9-8 31521 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail 72 Comment
  UCR118355  Rosa californica George K. Helmkamp, E. A. Helmkamp 1998-6-30 4219 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  OBI58681  Rosa spithamea David J. Keil 1998-7-2 27906 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI81523  Rosa spithamea Marina Miller, Katie Warde 2015-11-6 2 San Luis Obispo Irish Hills Natural Reserve. Plant was found approximately 400 feet into the Mariposa Trail on the right hand side of the trail. Comment
  UCR118319  Rubus armeniacus George K. Helmkamp, E. A. Helmkamp 1998-6-30 4240 San Luis Obispo Central Coast Ranges, Irish Hills, SW of San Luis Obispo, Prefumo Cyn., 3.2 mi SW of Los Osos Valley Rd. 198 Comment
  UC1128629  Rubus parviflorus H. C. Lee 1936-4-6 552 San Luis Obispo Davis Canyon, Port San Luis Quadrangle Davis Canyon; , Port San Luis Quadrangle Comment
  CAS-BOT-BC156991  Rubus ursinus Ernest C. Twisselmann 1959-4-10 5039 San Luis Obispo Irish Hills: Perfumo Canyon 106 Comment
  CAS-BOT-BC156994  Rubus ursinus Ernest C. Twisselmann 1959-4-10 5039 San Luis Obispo Irish Hills: Perfumo Canyon 106 Comment
  OBI80109  Rubus ursinus David J. Keil 2012-8-29 31519 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail 78 Comment
  OBI80110  Rubus ursinus David J. Keil 2012-8-29 31519 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail 78 Comment
  UCR134416  Rubus ursinus George K. Helmkamp, E. A. Helmkamp 2001-4-29 6576 San Luis Obispo Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos 213 Comment
  OBI10851  Rumex acetosella R. R. LaBelle 1967-4-2 17 San Luis Obispo Laguna Lake, San Luis Obispo Comment
  OBI31697  Rumex conglomeratus Smeltzer, Turnquist 1982-5-19 142 San Luis Obispo Along the Laguna Lake paved rd and the NE shoreline of lake Comment
  OBI36783  Rumex conglomeratus Eric Wise 1981-6-15 568 San Luis Obispo North shore of Laguna Lake, SLO Comment
  OBI36800  Rumex conglomeratus Eric Wise 1982-6-24 1539 San Luis Obispo South shore of Laguna Lake, SLO Comment
  OBI10838  Rumex crispus R. R. LaBelle 1967-4-2 16 San Luis Obispo Laguna Lake, San Luis Obispo Comment
  OBI10840  Rumex crispus R. R. LaBelle 1967-10-10 50 San Luis Obispo Laguna Lake, San Luis Obispo Comment
  OBI36988  Rumex crispus Eric Wise 1981-6-15 567 San Luis Obispo North shore of Laguna Lake, SLO Comment
  OBI37009  Rumex crispus Eric Wise 1982-6-24 1538 San Luis Obispo S shore of Laguna Lake, SLO Comment
  OBI10829  Rumex fueginus R. R. LaBelle 1967-10-10 30 San Luis Obispo Laguna Lake, San Luis Obispo. NE side of lake Comment
  OBI10830  Rumex fueginus Robert F. Hoover 1969-8-25 11554 San Luis Obispo Laguna de San Luis Obispo Comment
  OBI10833  Rumex fueginus Robert LaBelle 1967-10-22 s.n. San Luis Obispo Laguna, San Luis Obispo Comment
  UCR101008  Rumex pulcher George K. Helmkamp, E. A. Helmkamp 1995-6-20 95 2 31 San Luis Obispo Bear Creek Ranch, SE of Los Osos. 6 mi SE of Los Osos on Clark Valley Rd 396 Comment
  UCR118376  Rumex pulcher George K. Helmkamp, E. A. Helmkamp 1998-7-1 4249 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  OBI31693  Rumex salicifolius Smeltzer, Turnquist 1982-5-19 145 San Luis Obispo Along the Laguna Lake paved rd and the NE shoreline of lake Comment
  OBI31695  Rumex salicifolius Smeltzer, Turnquist 1982-7-28 207 San Luis Obispo Along the N foot trl in Laguna Lake Park Comment
  OBI80106  Rumex salicifolius David J. Keil 2012-9-8 31522 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail 75 Comment
  UC2013177  Rumex salicifolius David Keil 1979-7-1 13115 San Luis Obispo San Luis Range, lower Prefumo Canyon. Comment
  OBI64588  Sagina apetala David J. Keil, with Kathleen A. Keil 2003-2-25 30090 San Luis Obispo San Luis Obispo. Highland Drive, 1/2 block to west from Patricia Drive Comment
  OBI54299  Salix babylonica David J. Keil 1996-5-24 25876 San Luis Obispo Laguna lake Park, San Luis Obispo Comment
  OBI59655  Salix breweri David J. Keil, with Jill Bushakra 2001-6-14 29558 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  UC1953280  Salix breweri David Keil 2009-3-31 30572 San Luis Obispo San Luis Range. San Luis Obispo's Irish Hills Open Space. Comment
  OBI31681  Salix laevigata Smeltzer, Turnquist 1982-4-21 53 San Luis Obispo Collected from rear parkingarea along NE lake edge in Laguna Lake Park Comment
  OBI31682  Salix laevigata Smeltzer, Turnquist 1982-4-21 54 San Luis Obispo Collected from rear parkingarea along NE lake edge in Laguna Lake Park Comment
  OBI37160  Salix laevigata Eric Wise 1983-9-23 1791 Unknown North Shore of Laguna Lake Comment
  OBI36906  Salix lasiandra Eric Wise 1983-9-23 1789 San Luis Obispo N shore of Laguna Lake, SLO Comment
  OBI36917  Salix lasiandra Eric Wise 1982-6-24 1543 San Luis Obispo S shore of Laguna Lake SLO Comment
  OBI36920  Salix lasiandra Eric Wise 1981-6-15 561 San Luis Obispo N shore of Laguna Lake, SLO Comment
  OBI36922  Salix lasiandra Eric Wise 1983-7-20 1729 San Luis Obispo Los Osos Valley Rd and Turri rd in drainage ditch Comment
  OBI36923  Salix lasiandra Eric Wise 1983-5-3 1705 San Luis Obispo Los Osos Valley Rd and Turri rd in drainage ditch 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
  OBI36927  Salix lasiandra Eric Wise 1983-9-16 s.n. San Luis Obispo Los Osos Valley Rd and Turri rd in drainage ditch Comment
  OBI31680  Salix lasiolepis Karen De Martini 1982-2-28 17 San Luis Obispo Eastern shore of Laguna Lake Comment
  OBI36881  Salix lasiolepis Eric Wise 1981-6-15 562 San Luis Obispo North Shore of Laguna Lake; SLO Comment
  OBI37199  Salix lasiolepis Eric Wise 1983-9-23 1790 San Luis Obispo North Shore of Laguna Lake Comment
  SD249284  Salix lasiolepis Elyse Connolly, Emily Brehm, Holt Hanley 2014-2-26 5 San Luis Obispo San Luis Obispo. Base of Bishop's Peak. NW Side of Foothill trailhead. Open Space, Bottom of Grassy knoll, small grove of trees on right side facing summit. Comment
  UCR115567  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 2000-4-20 5396 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  SBBG34932  Salvia columbariae Mrs. R. W. Summers 1882-3-23 San Luis Obispo W slope of San Luis Mtn Comment
  UC456139  Salvia columbariae unknown May 1905 San Luis Obispo Perfumo Canyon Comment
  UC573548  Salvia columbariae P. L. Johannsen 1936-3-22 731 San Luis Obispo 1.75 mi sw San Luis Obispo; San Luis Obispo Quad. 106 Comment
  UC1124771  Salvia grahamii H. C. Lee 1936-4-9 560 San Luis Obispo 0.75 mi se Head of Davis Canyon; San Luis Obispo National Forest, Port San Luis Quad. 228 Comment
  SBBG95577  Salvia mellifera J. Turpen 1986-5-26 9 San Luis Obispo Bishop Peak Comment
  UC456108  Salvia mellifera E. P. Unangst 1906-5-30 San Luis Obispo Perfumo Canyon Comment
  OBI13514  Salvia spathacea Jesse Arnold 1964-2-9 6 San Luis Obispo E side of Bishop Peak Comment
  OBI13516  Salvia spathacea Robert J. Rodin 1954-4-3 5945 San Luis Obispo E side of Bishop's Peak, San Luis Obispo Comment
  OBI4449  Salvia spathacea Robert J. Rodin 1954-4-3 5945 San Luis Obispo Bishop's peak Comment
  OBI81014  Salvia spathacea Anna Norimoto, Caroline Darsono Lay, Kirsten Miller 2015-4-23 1 San Luis Obispo Irish Hills Trail; to the right of the trail head 2/3 up the hill. Comment
  RSA0119580  Salvia spathacea Joseph Cahill 2013-3-30 313 -02 San Luis Obispo South Coast Range: Prefumo Canyon Rd. 3.2 miles west (airline 265 degrees) of Laguna Lake. 186 Comment
  UC1124878  Salvia spathacea B. Bolt 1936-1-20 557 San Luis Obispo 1.5 mi s Goldtree; San Luis Obispo Quad. 213 Comment
  UC1311654  Salvia spathacea Robert J. Rodin 1954-4-3 5945 San Luis Obispo Bishop's Peak Comment
  UCR103806  Salvia spathacea George K. Helmkamp 1997-3-8 1449 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
  UCR142582  Salvia spathacea George K. Helmkamp, E. A. Helmkamp 2000-4-20 5421 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  UCR261399  Salvia spathacea Joseph Cahill 2013-3-30 313- 02 San Luis Obispo South Coast Range, Prefumo Canyon Rd. 3.2 miles west (airline, 265 deg. ) of Laguna Lake 186 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
  OBI75050  Sanicula arguta David J. Keil 1988-3-19 20422 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI8789  Sanicula arguta Robert J. Rodin 1954-4-3 5939 San Luis Obispo E side of Bishops Peak, SLO Comment
  SBBG117527  Sanicula arguta M. Wetherwax, E. Painter 2000-3-20 SLO 38 San Luis Obispo E side of saddle between Cerro Chumash and Cerro Romualdo; Camp San Luis Obispo 200 Comment
  UC2013174  Sanicula arguta David Keil 1979-7-1 13121 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  UCD127919  Sanicula arguta G. K. Helmkamp; E. A. Helmkamp 2001-4-29 6584 San Luis Obispo San Luis Obispo County: Irish Hills, Clark Valley Road, 4.2 miles south of Los Osos Valley Road (East of Los Osos.) 274 Comment
  UCR134391  Sanicula arguta George K. Helmkamp, E. A. Helmkamp 2001-4-29 6584 San Luis Obispo Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos 274 Comment
  SBBG117528  Sanicula bipinnata E. Painter, M. Wetherwax 2000-3-20 SLO 35 San Luis Obispo E side of saddle between Cerro Chumash and Cerro Romualdo; Camp San Luis Obispo 200 Comment
  OBI81301  Sanicula crassicaulis Madison Cheney, Dayle Morris, Bridget Van Beek 2015-4-23 San Luis Obispo Irish Hills Trail; 350 meters into the left trail on left side. Comment
  OBI8770  Sanicula crassicaulis Robert J. Rodin 1954-4-3 5940 San Luis Obispo E side of Bishops Peak, SLO Comment
  SBBG118016  Sanicula crassicaulis M. Wetherwax, E. Painter, J. Olson 2000-3-21 SLO 53 San Luis Obispo Cerro Chumash, Training Area L; Camp San Luis Obispo 180 Comment
  UCR118790  Sanicula crassicaulis George K. Helmkamp 1997-3-8 1453 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
  UCR161305  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2005-3-9 9100 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive 186 Comment
  UCR39154  Sanicula crassicaulis David J. Keil, M. McLeod 1980-3-8 13704 San Luis Obispo Central Coast/Coast Range, Along O'Connor Way, west of Cerro Romualdo, across the road from Rocky Top Ranch Comment
  OBI56863  Sanicula hoffmannii David J. Keil 1998-7-2 27907 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI59658  Sanicula hoffmannii David J. Keil, with Jill Bushakra 2001-6-14 29554 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI60030  Sanicula hoffmannii David J. Keil 1989-5-3 21211 San Luis Obispo San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessedfrom end of Diablo Dr at site of proposed Irish Hills Golf Course Comment
  OBI55649  Sanicula laciniata David J. Keil 1989-5-3 21207 San Luis Obispo San Luis Obispo hillsides between Los Osos Valley Rd and Prefumo Canyon rd accessed from end of Diablo Dr. at site of proposed Irish Hills Golf course Comment
  UCR161357  Sanicula laciniata George K. Helmkamp, E. A. Helmkamp 2005-3-8 9074 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  LA33014  Sanicula maritima Robert F. Hoover; 1947-4-13 6928 San Luis Obispo Los Osos Valley Comment
  OBI56862  Sanicula maritima David J. Keil 1998-4-10 26679 San Luis Obispo At LeRoy Baldwin property, 2051 O'Connor Way, SW of San Luis Obispo. Comment
  OBI8747  Sanicula maritima Robert F. Hoover 1947-4-13 6928 San Luis Obispo Los Osos Valley Comment
  OBI8752  Sanicula maritima Robert F. Hoover 1947-4-13 6928 San Luis Obispo Los Osos Valley Comment
  RSA201624  Sanicula maritima Robert F. Hoover 1947-4-13 6928 San Luis Obispo Los Osos Valley Comment
  SD71439  Sanicula maritima R. F. Hoover 1947-4-13 6928 San Luis Obispo Los Osos Valley Comment
  UC2013280  Sanicula maritima David Keil 1998-4-10 26679 San Luis Obispo At LeRoy Baldwin property, 2051 O'Connor Way, SW of San Luis Obispo. Comment
  UC754978  Sanicula maritima R. F. Hoover 1947-4-13 6928 San Luis Obispo Los Osos Valley Comment
  UCR38994  Sanicula maritima David J. Keil, M. McLeod 1980-3-8 13705 San Luis Obispo Central Coast/Coast Range, Along O'Connor Way, west of Cerro Romualdo, across the road from Rocky Top Ranch Comment
  UCR39155  Sanicula simulans David J. Keil, M. McLeod 1980-3-8 13703 San Luis Obispo Central Coast/Coast Range, Along O'Connor Way, west of Cerro Romualdo, across the road from Rocky Top Ranch Comment
  OBI60970  Santolina virens David J. Keil 1992-5-30 23172 San Luis Obispo Ornamental planter at SESLOC Credit Union, San Luis Obispo, Royal Way and Los Osos Valley Road Comment
  UCR118383  Satureja douglasii George K. Helmkamp, E. A. Helmkamp 1998-6-30 4236 San Luis Obispo Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd. 198 Comment
  UCR88343  Satureja douglasii George K. Helmkamp, E. A. Helmkamp 1995-6-20 95-2- 20 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  UC455364  Saxifraga californica I. J. Condit 1908-2-17 San Luis Obispo Perfumo Canyon Comment
  UCR161693  Saxifraga californica George K. Helmkamp, E. A. Helmkamp 2005-3-8 9053 San Luis Obispo Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road 122 Comment
  OBI31666  Scandix pecten-veneris Turnquist, Smeltzer 1982-5-1 71 San Luis Obispo NE side of Laguna Lake Park Comment
  OBI75262  Scandix pecten-veneris David J. Keil 2011-5-12 31003 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 147 Comment
  UCR42858  Scandix pecten-veneris David J. Keil 1981-3-7 14278 San Luis Obispo Los Osos Valley Rd between Foothill Blvd & Turri Rd. Comment
  UCR88344  Scandix pecten-veneris George K. Helmkamp, L. Helmkamp 1995-6-20 95- 2 -33 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  OBI22572  Schoenoplectus acutus var. occidentalis Robert F. Hoover 1946-8-26 6364 San Luis Obispo S end of Laguna near San Luis Obispo, where water stood earlier but now drying Comment
  OBI31751  Schoenoplectus acutus var. occidentalis Smeltzer, Turnquist 1982-5-19 141 San Luis Obispo Along the Laguna Lake pavedrd and the NE shoreline of lake Comment
  OBI35193  Schoenoplectus acutus var. occidentalis Eric Wise 1982-6-24 1533 San Luis Obispo South shore of Laguna Lake, SLO Comment
  OBI35197  Schoenoplectus acutus var. occidentalis Eric Wise 1981-6-15 573 San Luis Obispo N shore of Laguna Lake, SLO Comment
  UCR42913  Schoenoplectus acutus var. occidentalis E. A. Wise 1981-6-15 573 San Luis Obispo Central Coast, San Luis Obispo, north shore of Laguna Lake 37 Comment
  OBI35209  Schoenoplectus californicus Eric Wise 1982-6-24 1534 San Luis Obispo South shore of Laguna Lake, SLO Comment
  OBI43626  Schoenoplectus pungens Eric Wise 1982-6-24 1536 San Luis Obispo South shore of Laguna Lake, SLO Comment
  UC1133556  Scirpus californicus B. Bolt 1936-4-28 696 San Luis Obispo 1 1/2 mi w of Cerro San Luis Obispo; San Luis Obispo Quad. 45 Comment
  OBI43556  Scirpus microcarpus Eric Wise 1982-6-24 1537 San Luis Obispo S shore of Laguna Lake, SLO Comment
  UC1285140  Senna multiglandulosa R. F. Hoover 1964-1-19 8626 San Luis Obispo San Luis Range, Lower Coon Creek Lower Coon Creek; San Luis Range, Lower Coon Creek Comment
  OBI75761  Setaria David J. Keil 2011-7-4 31056 San Luis Obispo San Luis Obispo. 1565 Descanso Drive (between Los Osos Valley Road and Del Rio Ave. Comment
  CDA6644  Sherardia arvensis David J. Keil 1998-4-1 26687 San Luis Obispo At LeRoy Baldwin property, 2051 O Connor Way, southwest of San Luis Obispo. 0 Comment
  OBI58696  Sherardia arvensis David J. Keil 1998-4-10 26687 San Luis Obispo At LeRoy Baldwin property, 2051 O'Connor Way, SW of San Luis Obispo. Comment
  OBI12306  Sidalcea malviflora subsp. laciniata Robert J. Rodin 1954-4-3 5942 San Luis Obispo Bishop's Peak, San Luis Obispo Comment
  OBI75052  Sidalcea malviflora subsp. laciniata David J. Keil 1988-3-19 20420 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI78284  Sidalcea malviflora subsp. laciniata Robert J. Rodin 1954-4-3 5942 San Luis Obispo On lower slopes of Bishop's Peak Comment
  RSA648495  Sidalcea malviflora subsp. laciniata Dunn 1972-4-15 s.n. San Luis Obispo Perfumo Canyon 61 Comment
  UCD116815  Sidalcea malviflora subsp. laciniata G. K. Helmkamp; E. A. Helmkamp 2001-4-29 6586 San Luis Obispo San Luis Obispo County: Irish Hills, Clark Valley Road, 4.2 miles south of Los Osos Valley Road (East of Los Osos.) 274 Comment
  UCR115799  Sidalcea malviflora subsp. laciniata George K. Helmkamp, E. A. Helmkamp 2000-4-20 5406 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  UCR134392  Sidalcea malviflora subsp. laciniata George K. Helmkamp, E. A. Helmkamp 2001-4-29 6586 San Luis Obispo Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos 274 Comment
  UC1124979  Sidalcea malviflora subsp. malviflora P. L. Johannsen 1936-3-22 724 San Luis Obispo 1 mi nw Cerro San Luis Obispo; San Luis Obispo Quad., Plot 8 Comment
  CDA3467  Silene gallica G. K. Helmkamp, E. A. Helmkamp 1998-5-2 3898 San Luis Obispo Central Coast; Irish Hills, 3.1 mi SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos Comment
  OBI31656  Silene gallica Turnquist, Smeltzer 1982-5-1 82 San Luis Obispo Laguna Lake Park Comment
  OBI72819  Silene gallica Michael Walgren 2010-4-29 141 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn rd 301 Comment
  UCR115798  Silene gallica George K. Helmkamp, E. A. Helmkamp 2000-4-20 5407 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  UCR122470  Silene gallica George K. Helmkamp, E. A. Helmkamp 1998-5-20 3898 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
  CAS-BOT-BC174947  Silene laciniata Alice Eastwood; John Thomas Howell 1938-6-14 5926 San Luis Obispo Prefumo Canyon Comment
  UCR118361  Silene laciniata George K. Helmkamp, E. A. Helmkamp 1998-6-30 4234 San Luis Obispo Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd. 198 Comment
  UCR118363  Silene laciniata subsp. major George K. Helmkamp, E. A. Helmkamp 1998-6-30 4226 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  OBI15474  Silybum marianum R. R. La Belle 1967-4-2 12 San Luis Obispo Laguna Lake, San Luis Obispo. NE side of lake Comment
  OBI31616  Silybum marianum Turnquist, Smeltzer 1982-5-1 69 San Luis Obispo NE side of Laguna Lake park Comment
  OBI57227  Sinapis arvensis David J. Keil 1998-4-10 26686 San Luis Obispo At LeRoy Baldwin property, 2051 O'Connor Way, SW of San Luis Obispo. Comment
  OBI81300  Sisymbrium officinale Kirsten Miller, Caroline Darsono Lay, Anna Norimoto 2015-4-23 3 San Luis Obispo Irish Hills Trail; 500 meters on the straight trail on the left side. Comment
  RSA648506  Sisyrinchium bellum Charles D. Dunn 1972-4-15 s.n. San Luis Obispo Perfumo Canyon 61 Comment
  UCR122777  Sisyrinchium bellum George K. Helmkamp, E. A. Helmkamp 1998-5-20 3886 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
  UCR134397  Sisyrinchium bellum George K. Helmkamp, E. A. Helmkamp 2001-4-29 6591 San Luis Obispo Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos 274 Comment
  UCR161325  Sisyrinchium bellum George K. Helmkamp, E. A. Helmkamp 2005-3-8 9063 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  UCR61703  Smilacina stellata var. sessilifolia George K. Helmkamp 1989-4-17 s.n. San Luis Obispo Irish Hills, at the crest of Prefumo Canyon Road 366 Comment
  OBI79964  Solanum americanum David J. Keil 2013-6-19 31821 San Luis Obispo San Luis Obispo. 940 Del Rio Ave. 60 Comment
  RSA647593  Solanum douglasii C. Dunn 1972-4-15 s.n. San Luis Obispo Perfumo Canyon. 61 Comment
  UCR161303  Solanum douglasii George K. Helmkamp, E. A. Helmkamp 2005-3-9 9102 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive 186 Comment
  CAS-BOT-BC156842  Solanum umbelliferum E. Zimmerman 1966-4-8 15 San Luis Obispo Perfumo Canyon Comment
  OBI9115  Solanum xanti Ed Zimmerman 1966-4-8 15 San Luis Obispo Perfumo Cyn Comment
  UCR103804  Solanum xanti George K. Helmkamp 1997-3-8 1459 San Luis Obispo Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd. 107 Comment
  OBI81233  Solidago confinis David J. Keil 1987-9-27 20347 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  OBI81476  Solidago velutina Katie Warde, Marina Miller 2015-11-6 1 San Luis Obispo Approx. 200 ft from Mariposa Trailhead directly next to a mulch pile on the right hand side of the trail, near a small clearing with other mulch piles. There is also a dried up creek bed in the area. Plants surrounded by Coyote Bush Comment
  UCR91810  Soliva sessilis George K. Helmkamp 1996-5-27 1108 San Luis Obispo Central Coast, west side of San Luis Obispo, south-facing slope of Bishop Peak 280 Comment
  OBI31615  Sonchus asper Turnquist, Smeltzer 1982-5-1 68 San Luis Obispo NE side of Laguna Lake park Comment
  UC1070271  Sonchus asper P. L. Johannsen 1936-3-22 737 San Luis Obispo 3 1/4 mi nw Cerro San Luis Obispo; San Luis Obispo Quad., Plot 13 106 Comment
  UCR161320  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2005-3-9 9105 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive 186 Comment
  UCR161678  Sonchus oleraceus George K. Helmkamp, E. A. Helmkamp 2005-3-8 9064 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  OBI75330  Sorghum bicolor David J. Keil 2011-9-30 31119 San Luis Obispo Prefumo Canyon Road, just east of Prefumo Creek bridge and San Luis Obispo Open Space trailhead parking lot 60 Comment
  UCR42831  Sparganium eurycarpum David J. Keil 1977-8-7 12486 San Luis Obispo Turri Road c. 0.25 mi from Los Osos Valley Road 16 Comment
  UC1576177  Spartium junceum David Keil 1984-7-30 18319 San Luis Obispo ca 0.25 mi from Los Osos Valley Road junction with Foothill Blvd. (along Foothill Blvd) Comment
  OBI31655  Spergula arvensis Smeltzer, Turnquist 1982-7-28 210 San Luis Obispo Along the N foot trl in Laguna Lake Park Comment
  SD224915  Spergularia rubra G. K. Helmkamp 1996-5-27 1104 San Luis Obispo West side of San Luis Obispo on the south-facing slope of Bishop Peak. 281 Comment
  UCR91821  Spergularia villosa George K. Helmkamp 1996-5-27 1104 San Luis Obispo Central Coast, west side of San Luis Obispo, south-facing slope of Bishop Peak 280 Comment
  OBI50165  Sporobolus indicus David J. Keil 1992-5-3 22963 San Luis Obispo Laguna Lake Park, near Madonna Rd Comment
  OBI13485  Stachys ajugoides R. R. LaBelle 1967-10-10 32 San Luis Obispo Laguna Lake, San Luis Obispo. NE side of lake Comment
  OBI13486  Stachys ajugoides Robert F. Hoover 1969-8-25 11558 San Luis Obispo Laguna de San Luis Obispo Comment
  OBI58160  Stachys ajugoides David J. Keil 1998-7-2 27903 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI78268  Stachys ajugoides Robert F. Hoover 1950-5-15 7919 San Luis Obispo Near NW end of Laguna, San Luis Obispo Comment
  RSA216786  Stachys ajugoides Robert F. Hoover 1969-8-25 11558 San Luis Obispo Laguna de San Luis Obispo. Comment
  SBBG54961  Stachys ajugoides C. F. Smith 1960-6-9 6179 San Luis Obispo edge of Laguna Lake, Los Osos Valley Comment
  SBBG91399  Stachys ajugoides C. F. Smith 1960-6-9 6179 San Luis Obispo Laguna Lake, Los Osos Valley Comment
  UC1284946  Stachys ajugoides var. ajugoides R. F. Hoover 1950-5-15 7919 San Luis Obispo near nw end Laguna; San Luis Obispo Comment
  UC1392958  Stachys ajugoides var. ajugoides R. F. Hoover 1969-8-25 11558 San Luis Obispo Laguna de San Luis Obispo San Luis Obispo Comment
  OBI72820  Stachys bullata Michael Walgren 2010-4-29 142 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisitionknown as the 160 acre "Basseri" property at 4840 See Canyon Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn Rd. Inland portion of proeprty on inland side of See Cyn Rd 301 Comment
  UCR118356  Stachys bullata George K. Helmkamp, E. A. Helmkamp 1998-6-30 4223 San Luis Obispo Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd. 137 Comment
  UCR118360  Stachys bullata George K. Helmkamp, E. A. Helmkamp 1998-6-30 4235 San Luis Obispo Central Coast Ranges, Irish Hills, SW of San Luis Obispo, Prefumo Cyn., 3.2 mi SW of Los Osos Valley Rd. 198 Comment
  OBI58158  Stachys pycnantha David J. Keil 1998-7-2 27905 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  UC2013169  Stachys pycnantha David Keil 1979-7-1 13113 San Luis Obispo San Luis Range, lower Prefumo Canyon. Comment
  UCR25011  Stachys pycnantha George K. Helmkamp 1981-8-7 s.n. San Luis Obispo Central Coast, north end of See Canyon in the Irish Hills, near Los Osos Valley 213 Comment
  UCR88712  Stachys rigida George K. Helmkamp, E. A. Helmkamp 1995-6-20 95-2- 16 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  OBI48249  Stebbinsoseris heterocarpa David J. Keil 1989-5-3 21212 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
  OBI59659  Stebbinsoseris heterocarpa David J. Keil, with Jill Bushakra 2001-6-14 29552 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  UCR161348  Stellaria media George K. Helmkamp, E. A. Helmkamp 2005-3-9 9106 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive 186 Comment
  UCR161696  Stellaria nitens George K. Helmkamp, E. A. Helmkamp 2005-3-8 9054 San Luis Obispo Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road 122 Comment
  CAS-BOT-BC375156  Stephanomeria cichoriacea G. K. Helmkamp; E. A. Helmkamp 2000-9-2 5967 San Luis Obispo Irish Hills: Profumo Canyon, 2.2 mi W of Los Osos Valley Rd. 137 Comment
  RSA666858  Stephanomeria cichoriacea George K. Helmkamp, E. A. Helmkamp 2000-9-2 5967 San Luis Obispo Profumo Canyon, 2.2 mi W of Los Osos Valley Rd. 137 Comment
  UCD136233  Stephanomeria cichoriacea G. K. Helmkamp; E. A. Helmkamp 2000-9-2 5967 San Luis Obispo San Luis Obispo County: Irish Hills: Profumo Canyon, 2.2 miles west of Los Osos Valley Road. 137 Comment
  UCR118948  Stephanomeria cichoriacea George K. Helmkamp, E. A. Helmkamp 2000-9-2 5967 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  UCR25008  Stephanomeria cichoriacea George K. Helmkamp 1981-8-7 s.n. San Luis Obispo Central Coast, north end of See Canyon in the Irish Hills, near Los Osos Valley 213 Comment
  CAS-BOT-BC375260  Stephanomeria elata R. F. Hoover 1965-8-1 9501 San Luis Obispo Valley west of Mt. Bishop Comment
  CAS-BOT-BC375263  Stephanomeria elata R. F. Hoover 1946-8-26 6351 San Luis Obispo Los Osos Valley Comment
  OBI15401  Stephanomeria elata Robert F. Hoover 1946-8-26 6351 San Luis Obispo Los Osos Valley Comment
  OBI15405  Stephanomeria elata Robert F. Hoover 1965-8-1 9501 San Luis Obispo Valley W of Mt. Bishop Comment
  UC771649  Stephanomeria elata R. F. Hoover 1946-8-26 6351 San Luis Obispo Los Osos Valley Comment
  CAS-BOT-BC375898  Stephanomeria virgata R. F. Hoover 1965-8-1 9501 San Luis Obispo Valley west of Mt. Bishop Comment
  UC1583864  Stipa caudata Michael Curto 1990-4-11 631 San Luis Obispo 1359 Madonna Rd. at Pereira Dr. San Luis Obispo 70 Comment
  OBI50118  Stipa clandestina Michael Curto, Linda Allen 1990-4-11 631 San Luis Obispo 1359 Madonna Rd @ Pereira Dr. SW side of yard along Pereira Dr. Comment
  OBI81474  Stipa miliacea Jose Vazquez, Megan Charney, Logan Williams , Rachel Katz 2015-10-31 1 San Luis Obispo Plant collected two feet from Mariposa Trailhead Comment
  SD148273  Stipa miliacea G. K. Helmkamp 2000-9-2 5963 San Luis Obispo Irish Hills: Profumo Canyon, 2.2 mi W of Los Osos Valley Rd., roadsides 136 Comment
  UC1063484  Streptanthus albidus subsp. peramoenus P. L. Johannsen 1936-3-22 735 San Luis Obispo 1 3/4 mi sw San Luis Obispo (Plot 11); San Luis Obispo Quadrangle 106 Comment
  UCR115579  Streptanthus albidus subsp. peramoenus George K. Helmkamp, E. A. Helmkamp 2000-4-20 5401 San Luis Obispo Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 Comment
  UCR134400  Streptanthus albidus subsp. peramoenus George K. Helmkamp, E. A. Helmkamp 2001-4-29 6594 San Luis Obispo Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo 91 Comment
  OBI81310  Streptanthus glandulosus David J. Keil, Janet Haden 1988-5-24 20675 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  UC1119951  Symphoricarpos albus var. laevigatus H. C. Lee 1936-4-2 542 San Luis Obispo Head of Coon Creek; Port San Luis Quad. 304 Comment
  OBI78683  Symphoricarpos mollis Sierra Duggan 2013-2-2 1 San Luis Obispo Felsman Loop, Bishop Peak. 20 m from Patricia Drive entrance. North side of the trail. 168 Comment
  OBI81374  Symphoricarpos mollis Katie Larkin, Madison Ward 2015-4-19 5 San Luis Obispo Bishop Peak. Near coast live oaks. Comment
  UC1119931  Symphoricarpos mollis H. C. Lee 1936-4-9 558 San Luis Obispo 1 mi ne Saddle Pk.; Port San Luis 426 Comment
  UCR118184  Symphoricarpos mollis George K. Helmkamp, E. A. Helmkamp 2000-9-2 5980 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
  UCR118336  Symphoricarpos mollis George K. Helmkamp, E. A. Helmkamp 2000-9-2 5974 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road 137 Comment
  OBI78682  Symphyotrichum subspicatum Tess Fillman 2013-2-8 1 San Luis Obispo Lagnuna Lake. 150 feet west of the Lake Side Trail north of the turnabout parking lot. 43 Comment
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Sep 15 2014
  UC455795  Symphyotrichum subspicatum E. P. Unangst 1907-7-1 San Luis Obispo Perfumo Canyon, S. L. O. [San Luis Obispo] Comment
  UC1285038  Symphyotrichum subulatum R. F. Hoover 1948-10-8 7556 San Luis Obispo between Mt San Luis and Mt. Bishop Mt. San Luis Comment
  CAS-BOT-BC98359  Symphyotrichum subulatum var. parviflorum R. F. Hoover 1948-10-8 7556 San Luis Obispo Between Mt. San Luis and Mt. Bishop Comment
  CAS-BOT-BC98360  Symphyotrichum subulatum var. parviflorum R. F. Hoover 1948-10-8 7556 San Luis Obispo Between Mt. San Luis and Mt. Bishop Comment
  OBI16998  Symphyotrichum subulatum var. parviflorum Robert F. Hoover 1948-10-8 7556 San Luis Obispo Between Mt San Luis and Mt. Bishop Comment
  OBI79971  Tanacetum parthenium David J. Keil 2013-7-6 31825 San Luis Obispo San Luis Range. Prefumo Canyon Road. Creek bottom just upstream of bridge 3 100 Comment
  UC2027238  Tanacetum parthenium David J. Keil 2013-7-6 31825 San Luis Obispo San Luis Range. Prefumo Canyon Road. Creek bottom just upstream of bridge 3. Comment
  UCR161461  Taraxacum officinale George K. Helmkamp, E. A. Helmkamp 2005-3-9 9110 San Luis Obispo Central Coast Hills, Irish Hills; See Canyon, 5.7 mi N of San Luis Bay Drive 399 Comment
  OBI11894  Taraxia ovata Robert F. Hoover 1948-3-4 7425 San Luis Obispo Osos Valley Comment
  UC454561  Taraxia ovata I. J. Condit 1908-4-4 San Luis Obispo Osos Valley Comment
  OBI83513  Tauschia hartwegii Michael Walgren 2013-2-19 302 San Luis Obispo San Luis Range near the peak of Davis Peak, Montana de Oro State park 493 Comment
  CAS-BOT-BC399680  Thalictrum fendleri Alice Eastwood; John Thomas Howell 1938-6-14 5925 San Luis Obispo Prefumo Canyon Comment
  UC1126234  Thalictrum fendleri var. polycarpum H. C. Lee 1936-3-23 589 San Luis Obispo 1 1/2 mi s Mine Hill; Arroyo Grande Quadrangle Comment
  OBI79252  Thermopsis californica David J. Keil 2012-5-27 31355 San Luis Obispo San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail Comment
  OBI44865  Thermopsis californica var. californica David J. Keil 1979-7-1 13128 San Luis Obispo Ridge between Prefumo and See Cyns. About 5 mi from jctn of los Osos Valley Rd and Prefumo Cyn Rd Comment
  UC569827  Thermopsis californica var. californica P. L. Johannsen 1926-3-22 730 San Luis Obispo 3 mi sw San Luis Obispo; San Luis Obispo Quadrangle 76 Comment
  UC2013217  Thermopsis macrophylla David Keil 1979-7-1 13128 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  CDA25260  Thysanocarpus laciniatus G. D. Barbe, J. L. Johnson 1973-3-13 1135 San Luis Obispo Bishop Canyon Road (See Canyon) north of Avila Beach. 0 Comment
  SBBG117771  Thysanocarpus laciniatus E. Painter, M. Wetherwax 2000-3-21 SLO 52 San Luis Obispo Cerro Chumash, Training Area L; Camp San Luis Obispo 200 Comment
  SBBG96384  Torilis arvensis C. F. Smith 1987-5-28 12109 San Luis Obispo near summit of Prefumo Cyn along rd into Los Osos Valley Comment
  CAS-BOT-BC169225  Toxicodendron diversilobum John Thomas Howell; Alice Eastwood 1938-6-14 5921 San Luis Obispo Prefumo Canyon Comment
  OBI75064  Toxicoscordion fremontii David J. Keil 1988-3-19 20394 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI31608  Tragopogon porrifolius Turnquist, Smeltzer 1982-5-1 67 San Luis Obispo On the NE side of Laguna lake park Comment
  OBI31609  Tragopogon porrifolius Turnquist, Smeltzer 1982-6-16 155 San Luis Obispo Laguna Lake Park Comment
  UCD117575  Trientalis latifolia G. K. Helmkamp; E. A. Helmkamp 2000-4-20 5384 San Luis Obispo San Luis Obispo County: Central Coast Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd. 183 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
  UCR42813  Trifolium David J. Keil 1979-4-29 13055 San Luis Obispo Upper Prefumo Canyon Road Comment
  OBI75005  Trifolium bifidum David J. Keil 1988-3-19 20409 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI57820  Trifolium bifidum var. decipiens David J. Keil 1998-4-10 26682 San Luis Obispo At LeRoy Baldwin property, 2051 O'Connor Way, SW of San Luis Obispo. Comment
  OBI75007  Trifolium depauperatum var. truncatum David J. Keil 1988-3-19 20411 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  UCR142585  Trifolium depauperatum var. truncatum George K. Helmkamp, E. A. Helmkamp 2000-4-20 5422 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  OBI31785  Trifolium fragiferum Smeltzer, Turnquist 1982-7-28 208 San Luis Obispo Along the N foot trl in Laguna Lake Park Comment
  CDA43  Trifolium fucatum C. C. Wilson 1935-4-11 s.n. San Luis Obispo Morro Bay. Comment
  OBI12683  Trifolium fucatum Robert F. Hoover 1947-4-16 6934 San Luis Obispo W base of Mt. Bishop near SLO Comment
  OBI31783  Trifolium fucatum Turnquist, Smeltzer 1982-5-1 90 San Luis Obispo On the NE side of Laguna Lake Park Comment
  OBI81336  Trifolium fucatum David J. Keil, Janet Haden 1988-5-24 20687 San Luis Obispo Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101. Comment
  RSA43240  Trifolium fucatum Robert F. Hoover 1947-4-16 6934 San Luis Obispo West base of Mt Bishop near San Luis Obispo Comment
  UC1285156  Trifolium fucatum R. F. Hoover 1947-4-16 6934 San Luis Obispo near San Luis Obispo (w base of mtn); Mount Bishop Comment
  CDA4337  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 1998-5-2 3897 San Luis Obispo Central Coast; Irish Hills, 3.1 mi SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos Comment
  CDA4339  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2000-4-2 5412 San Luis Obispo Central Coast; road crest between See Canyon Road and Profumo Canyon Road, SW of San Luis Obispo Comment
  OBI48252  Trifolium hirtum David J. Keil 1989-5-3 21208 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
  UCR115582  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2000-4-20 5412 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  UCR118377  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 1998-7-1 4248 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road 244 Comment
  UCR122471  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 1998-5-20 3897 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
  UCR161321  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2005-3-8 9082 San Luis Obispo Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road 409 Comment
  UCR122464  Trifolium incarnatum George K. Helmkamp, E. A. Helmkamp 1998-5-20 4005 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
  OBI75252  Trifolium subterraneum David J. Keil 2011-5-12 31013 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 254 Comment
  UC1969538  Trifolium subterraneum David Keil 2000-5-6 28674 San Luis Obispo San Luis Obispo. Lake Laguna Park. Comment
  UCR141112  Trifolium subterraneum George K. Helmkamp, E. A. Helmkamp 1998-5-20 4004 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
  OBI12663  Trifolium variegatum Robert F. Hoover 1947-3-21 6708 San Luis Obispo W base of Mt. Bishop, near SLO Comment
  OBI59363  Trifolium variegatum David J. Keil 2001-5-31 29531 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  OBI59661  Trifolium variegatum David J. Keil, with Jill Bushakra 2001-6-14 29550 San Luis Obispo Summit area between Prefumo Canyon and See Canyon, San Luis Range. Comment
  UC1285161  Trifolium variegatum var. melananthum R. F. Hoover 1947-3-21 6708 San Luis Obispo near San Luis Obispo; w base of Mt. Bishop Comment
  UCR134419  Trifolium willdenovii George K. Helmkamp, E. A. Helmkamp 2001-4-29 6579 San Luis Obispo Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos 213 Comment
  UCR142584  Trifolium willdenovii George K. Helmkamp, E. A. Helmkamp 2000-4-20 5419 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  OBI75006  Trifolium wormskioldii David J. Keil 1988-3-19 20442 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  OBI9377  Triphysaria eriantha Robert F. Hoover 1967-3-18 10252 San Luis Obispo Los Osos Valley Comment
  OBI75008  Triphysaria eriantha subsp. eriantha David J. Keil 1988-3-19 20412 San Luis Obispo Froom Ranch, southwest of US 101 and los Osos Valley Road near intersection with Calle Joaquin, southwest of San Luis Obispo city limits. Comment
  SBBG46690  Triphysaria eriantha subsp. eriantha L. W. Edge 1973-4-9 268 San Luis Obispo near summit of Prefumo Cyn Rd Comment
  JEPS35062  Triphysaria pusilla R. F. Hoover 1947-3-21 6711 San Luis Obispo w base Mt. Bishop (near San Luis Obispo); w base of Mt. Bishop Comment
  OBI58767  Triphysaria pusilla David J. Keil 1998-4-10 26680 San Luis Obispo At LeRoy Baldwin property, 2051 O'Connor Way, SW of San Luis Obispo. Comment
  OBI9356  Triphysaria pusilla Robert F. Hoover 1947-3-21 6711 San Luis Obispo W base of Mt Bishop near San Luis Obispo Comment
  JEPS7432  Triphysaria versicolor subsp. faucibarbata R. F. Hoover 1950-5-15 7920 San Luis Obispo near nw end of Laguna San Luis Obispo; near nw end of Laguna Comment
  OBI9369  Triphysaria versicolor subsp. faucibarbata Robert F. Hoover 1950-5-15 7920 San Luis Obispo Near NW end of Laguna, San Luis Obispo Comment
  OBI79444  Trisetum canescens David J. Keil 2013-5-12 31735 San Luis Obispo Irish Hills Open Space. Upper portion of Bog Thistle Trail 135 Comment
  OBI79314  Turritis glabra David J. Keil 2013-5-15 31737 San Luis Obispo San Luis Range. Prefumo Canyon Road 95 Comment
  OBI54290  Umbellularia californica David J. Keil 1996-5-24 25863 San Luis Obispo Laguna Lake Park, SLO Comment
  OBI83458  Umbellularia californica Hannah Hobelman, Carlie Lentz, Abby Melton, Kaitlan de Grosz, Malia Pletcher 2017-1-25 4 San Luis Obispo Cerro San Luis along Sterling Trail about 1/4 might from Sterling Lane trailhead 135 Comment
  OBI81303  Uropappus lindleyi Zoe Dascalos, Lindsey Ellenburg, Jake Williams, Alexis Martin, Maerill Ceballos 2015-4-24 7 San Luis Obispo Johnson Ranch Open Space. Comment
  OBI31665  Urtica dioica subsp. holosericea Turnquist, Smeltzer 1982-5-22 151 San Luis Obispo Laguna Lake Park in vicinity of the boat launching facilities Comment
  OBI37359  Urtica dioica subsp. holosericea Eric Wise 1981-6-15 560 San Luis Obispo N shore of Laguna Lake, SLO Comment
  OBI72821  Vaccinium ovatum Michael Walgren 2010-4-29 144 San Luis Obispo Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See 301 Comment
  UCD125983  Verbena lasiostachys var. scabrida G. K. Helmkamp; E. A. Helmkamp 2000-9-2 5964 San Luis Obispo San Luis Obispo County: Iris Hills: See Canyon (south portion), ca. 1.8 miles north of San Luis Bay Drive (north of Avila Beach). 91 Comment
  UCR119348  Verbena lasiostachys var. scabrida George K. Helmkamp, E. A. Helmkamp 2000-9-2 5977 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
  UCR97409  Verbena lasiostachys var. scabrida George K. Helmkamp 1997-3-8 1448 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
  JEPS35336  Veronica anagallis-aquatica R. F. Hoover 1964-6-11 9021 San Luis Obispo nw end of Laguna (San Luis Obispo); , Laguna Comment
  OBI9205  Veronica anagallis-aquatica Robert F. Hoover 1964-5-14 8879 San Luis Obispo Near NW end of Laguna, San Luis Obispo Comment
  UC1576181  Veronica anagallis-aquatica Eric Wise 1981-6-15 570 San Luis Obispo n shore of Laguna Lake Laguna Lake Comment
  UCR122737  Veronica persica George K. Helmkamp, E. A. Helmkamp 1998-5-20 3887 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
  OBI75244  Vicia americana var. americana David J. Keil 2011-5-12 31021 San Luis Obispo San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road. 333 Comment
  OBI25948  Vicia benghalensis Lorraine Vinlan 1981-10-3 20 San Luis Obispo E shore of Laguna Lake Comment
  OBI58088  Vicia faba David J. Keil 1998-5-6 27132 San Luis Obispo Outskirts of San Luis Obispo. S of west end of Madonna Rd. and W of Los Osos Valley Rd. Comment
  CDA34861  Vicia hirsuta David J. Keil 2010-5-16 30766 -1 San Luis Obispo San Luis Obispo; 940 Del Rio Ave. Comment
  OBI73376  Vicia hirsuta David J. Keil 2010-5-16 30766 -1 San Luis Obispo San Luis Obispo. 940 Del Rio Ave. 60 Comment
  SBBG132497  Vicia hirsuta D. Keil 2010-5-16 30766 -1 San Luis Obispo 940 Del Rio Ave 60 Comment
  UC1969504  Vicia hirsuta David Keil 2010-5-16 30766 -1 San Luis Obispo San Luis Obispo. 940 Del Rio Ave. Comment
  OBI12613  Vicia sativa Robert F. Hoover 1947-4-13 6929 San Luis Obispo Los Osos Valley Comment
  RSA43228  Vicia sativa Robert F. Hoover 1947-4-13 6929 San Luis Obispo Los Osos Valley Comment
  UCR134393  Vicia sativa subsp. sativa George K. Helmkamp, E. A. Helmkamp 2001-4-29 6587 San Luis Obispo Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos 274 Comment
  UCR88711  Vicia sativa subsp. sativa George K. Helmkamp, E. A. Helmkamp 1995-6-20 95-2- 27 San Luis Obispo Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road 400 Comment
  UCR122476  Vicia villosa subsp. varia George K. Helmkamp, E. A. Helmkamp 1998-5-20 3892 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
  UCR32439  Vicia villosa subsp. varia Smeltzer, Turnquist 1982-4-21 55 San Luis Obispo Laguna Lake Park, rear parking area along NE lake edge. Comment
  SBBG85188  Vicia villosa subsp. villosa C. F. Smith 1960-6-9 6180 San Luis Obispo Laguna Lake, SW of San Luis Obispo Comment
  UCR134388  Vicia villosa subsp. villosa George K. Helmkamp, E. A. Helmkamp 2001-4-29 6581 San Luis Obispo Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos 213 Comment
  SBBG119725  Viola pedunculata E. Painter, M. Wetherwax 2000-3-20 SLO 32 San Luis Obispo E side of saddle between Cerro Chumash and Cerro Romualdo; Camp San Luis Obispo 200 Comment
  UCD111166  Viola purpurea subsp. quercetorum G. K. Helmkamp; E. A. Helmkamp 2000-4-20 5409 San Luis Obispo San Luis Obispo County: Central Coast: Road crest between See Cyn. Rd. and Prefumo Cyn. Rd. (SW of San Luis Obispo). 320 Comment
  UCR115585  Viola purpurea subsp. quercetorum George K. Helmkamp, E. A. Helmkamp 2000-4-20 5409 San Luis Obispo Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo 320 Comment
  UCR161698  Viola purpurea subsp. quercetorum George K. Helmkamp, E. A. Helmkamp 2005-3-8 9065 San Luis Obispo Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road 316 Comment
  OBI31610  Xanthium spinosum Smeltzer, Turnquist 1982-7-28 203 San Luis Obispo Along the N foot trl in Laguna Lake park Comment
  OBI44866  Zeltnera davyi David J. Keil 1979-7-1 13127 San Luis Obispo Ridge between Prefumo and See Cyns. About 5 mi from jctn of los Osos Valley Rd and Prefumo Cyn Rd Comment
  OBI58142  Zeltnera davyi David J. Keil 1998-7-2 27911 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  OBI58149  Zeltnera davyi David J. Keil, with Kathleen A. Keil 1998-5-29 27538 San Luis Obispo Serpentine hills S of Bishop Peak at 2051 O'Connor Way. W of San Luis Obispo. Comment
  UC2013202  Zeltnera davyi David Keil 1979-7-1 13127 San Luis Obispo Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road. Comment
  OBI58143  Zeltnera exaltata David J. Keil 1998-7-2 27910 San Luis Obispo At Baldwin property and on property to west of Baldwin property, along O'Connor Way (2051 O'Connor Way, W of San Luis Obispo). Comment
  UC1600846  Zigadenus fremontii H. C. Lee 1936-3-23 525 San Luis Obispo Mine Hill San Luis Obispo National Forest, Arroyo Grande Quad. 320 Comment
  UCR161340  Zigadenus fremontii George K. Helmkamp, E. A. Helmkamp 2005-3-8 9084 San Luis Obispo Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road 409 Comment



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