35.24779 35.34779 -120.82324 -120.72324 UC/JEPS: Consortium Search Results
Search Results — 1623 specimen records retrieved (1623 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
  UC1136561  Abronia B. Bolt 1936-3-11 611 San Luis Obispo 1 1/4 mi sse mouth of Osos Creek; Cayucos Comment
  OBI78792  Abronia umbellata David J. Keil 2013-9-4 32019 San Luis Obispo Morro Bay State Park. South of Los Osos Middle School sports fields. 19 Comment
  UCR13839  Abronia umbellata George K. Helmkamp 1973-8-8 s.n. San Luis Obispo Central Coast, Morro Bay, Baywood Park, hillside c. 1 mi from ocean 3 Comment
  UCR6159  Abronia umbellata C. M. Bringle 1967-3-20 B670320- 28 San Luis Obispo near Lake Laguna on north side of Los Osos Road, at junction with Buckskin Drive. Edge of pavement on W side of Buckskin 91 Comment
  UCR91816  Abronia umbellata subsp. umbellata George K. Helmkamp 1996-5-27 1102 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  OBI64853  Acer negundo David J. Keil 2001-5-3 29396 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Vicinity of 35.32990 deg. N x 120.75799 deg. W 37 Comment
  OBI35774  Achillea millefolium Allison Berry 1984-4-20 126 San Luis Obispo Camp San Luis Shooting Facility 6.5 mi N of San Luis Obispo on hwy 1 Comment
  UC1125399  Achillea millefolium C. M. Belshaw 1936-3-23 1709 San Luis Obispo 1.4 mi ssw Hollister Peak; Cayucos Quad. 106 Comment
  CAS-BOT-BC29730  Achyrachaena mollis Ira L. Wiggins 1929-4-15 3593 San Luis Obispo 8 miles NW of San Luis Obispo on highway to Morro Comment
  POM262036  Achyrachaena mollis I. L. Wiggins 1929-4-15 s.n. San Luis Obispo 8 miles northwest of San Luis Obispo on highway to Morro. Comment
  UC463259  Achyrachaena mollis Roxana S. Ferris 1929-4-15 7630 San Luis Obispo 8 mi n, on San Luis Obispo Road Moro Comment
  SD144463  Acmispon americanus G. K. Helmkamp 1997-6-20 2048 San Luis Obispo Ca. 0.2 mi NE of Buckskin and Martingale in Los Osos 27 Comment
  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
  OBI75020  Acmispon glaber Michael Walgren 2011-2-17 204 San Luis Obispo Morro Bay State Park in Los Osos E of South Bay Blvd. and N of El Morro Ave. 30 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
  OBI64833  Acmispon parviflorus David J. Keil, with Michael Curto 2001-5-15 29453 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  SBBG118246  Acmispon parviflorus J. Olson 2002-4-3 San Luis Obispo Cerro Romualdo, off old rd from water tower; Camp San Luis Obispo 250 Comment
  SBBG118247  Acmispon parviflorus M. Wetherwax, E. Painter, J. Olson 2002-3-26 SLO 218 San Luis Obispo NW side of Cerro Romualdo; Camp San Luis Obispo 150 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
  SBBG118090  Acmispon strigosus E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 82 San Luis Obispo Cerro Romualdo, just E of water tower; Camp San Luis Obispo 150 Comment
  SBBG118609  Acmispon strigosus E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 82 San Luis Obispo Cerro Romualdo, just E of water tower; Camp San Luis Obispo 150 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
  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
  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-BC251063  Ageratina adenophora M. Wetherwax; E. L. Painter; David Keil 2001-5-17 SLO- 77 San Luis Obispo Camp San Luis Obispo. West side of Dairy Creek brige near jct of Amador & Mendocino Streets, under bridge 100 Comment
  OBI73497  Ageratina adenophora David J. Keil 2000-4-18 28451 San Luis Obispo Camp San Luis Obispo national guard base. Along Chorro Creek at bridge south of Highway 1 at junction of Amador and Mendocino Streets Comment
  SBBG117877  Ageratina adenophora M. Wetherwax, E. Painter 2001-5-17 SLO 77 San Luis Obispo W side of Dairy Crk bridge near jct of Amador and Mendocino Sts, under bridge; Camp San Luis Obispo 100 Comment
  OBI2571  Agrostis exarata Larry E. Brown 1971-7-8 2062 San Luis Obispo In Prefumo Cyn near San Luis Obispo Comment
  OBI64832  Agrostis exarata David J. Keil, with Michael Curto 2001-5-15 29455 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI80452  Agrostis exarata David J. Keil 1985-6-19 18923 San Luis Obispo Cultivated field east of Eto Lake. 10 Comment
  SD249099  Agrostis exarata David Keil 1985-6-19 18923 San Luis Obispo Cultivated field east of Eto Lak4e; locally common at edge of marsh, adjacent to fields. 10 Comment
  UCD52074  Agrostis exarata Larry E. Brown 1971-7-8 2062 San Luis Obispo San Luis Obispo County: in Perfumo Canyon near San Luis Obispo. Comment
  CAS-BOT-BC139374  Agrostis hooveri R. F. Hoover 1963-7-30 8591 San Luis Obispo Northeast side of Los Osos Valley. Comment
  OBI22531  Agrostis hooveri Robert F. Hoover 1963-7-30 8591 San Luis Obispo NE side of Los Osos Valley Comment
  UC1153395  Agrostis hooveri R. F. Hoover 1963-7-30 8591 San Luis Obispo ne side Los Osos Valley Comment
  OBI29016  Agrostis pallens David J. Keil 1982-6-4 16181 San Luis Obispo El Chorro Regional Park NE of San Luis Obispo. CA 1 mi E of County Educational Facility, just E of old washed out bridge 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
  UCR91707  Agrostis viridis George K. Helmkamp 1996-5-24 1031 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  SBBG117542  Ailanthus altissima E. Painter, M. Wetherwax 2000-6-13 SLO 153 San Luis Obispo near abandoned homestead between N base of first ridge W of Cerro Romualdo and Poison Oak Crk; Camp San Luis Obispo 100 Comment
  OBI42334  Aira caryophyllea David J. Keil 1986-6-3 19632 San Luis Obispo Along Clark Valley rd 1/2-3/4 mi SW of Los Osos Valley rd Comment
  SBBG95730  Aira caryophyllea D. Keil 1986-6-3 19632 San Luis Obispo Clark Valley Rd 0.5-0.75 mi SW of Los Osos Valley Rd Comment
  UCR91818  Aira caryophyllea George K. Helmkamp 1996-5-24 1043 A San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 Comment
  OBI35058  Alisma triviale Eric Wise 1981-6-15 609 San Luis Obispo turri rd, 1 mi E of So. Bay blvd Comment
  OBI35059  Alisma triviale Eric Wise 1981-6-15 609 San Luis Obispo turri rd, 1 mi E of So. Bay blvd Comment
  UCR24794  Alisma triviale George K. Helmkamp 1981-6-20 s.n. San Luis Obispo Central Coast, Los Osos, south edge of Eto Lake 24 Comment
  OBI40664  Amaranthus albus David J. Keil 1985-6-9 18791 San Luis Obispo Los Osos/Baywood Park area. On N side of Luis Ave, just E of S Bay Blvd Comment
  OBI80447  Amaranthus powellii David J. Keil 1985-6-19 18921 San Luis Obispo Cultivated field east of Eto Lake. 10 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
  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
  OBI79022  Ambrosia psilostachya David J. Keil 2013-8-19 31881 San Luis Obispo Northeastern quadrant of intersection of Turri Road with South Bay Blvd. 11 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
  OBI79730  Amsinckia menziesii Michael Walgren 2014-4-24 423 San Luis Obispo In a vacant lot in on the eastern edge of Los Osos, growing in Baywood fine sands. Occasional of the property located at Buckskin and Martingale streets, known as the ?Buckskin property.? 37 Comment
  RSA617144  Amsinckia spectabilis George K. Helmkamp 1996-5-27 1084 San Luis Obispo Los Osos, NE of corner of Martingale and Buckskin. 61 Comment
  OBI72807  Amsinckia spectabilis var. microcarpa Michael Walgren 2010-4-15 119 San Luis Obispo Morro Bay State Park, at the E terminus of Pismo Ave in Los Osos. this newer acquisition parcel is located S of Pismo Ave and abuts several homes. The parcel is known as "Powell III" . Near pismo Ave Comment
  UC1061730  Amsinckia spectabilis var. microcarpa B. Bolt 1936-3-11 609 San Luis Obispo 1 1/4 mi sse of mouth of Osos Creek 30 Comment
  SD232622  Amsinckia spectabilis var. spectabilis G. Helmkamp 1996-5-27 1084 San Luis Obispo Los Osos. Oak woodland in fine sand NE of the corner of Martingale and Buckskin. 60 Comment
  SEINET7063203  Amsinckia spectabilis var. spectabilis A. G. Vestal 1963-5-16 s.n. San Luis Obispo Dunes about 0.7 mile east southeast of Los Osos on the Pecho Valley Road. UTM Zone 10, 698257mE, 3909354mN. (WGS84/NAD83). 49 Comment
  UCR91832  Amsinckia spectabilis var. spectabilis George K. Helmkamp 1996-5-27 1084 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  UCR131347  Amsinckia tessellata var. tessellata George K. Helmkamp, E. A. Helmkamp 1999-5-22 4899 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 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
  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
  UCR91699  Anagallis arvensis George K. Helmkamp 1996-5-24 1017 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  OBI78869  Anaphalis margaritacea David J. Keil 2013-9-3 32009 San Luis Obispo Morro Bay State Park. Park Ridge 36 Comment
  OBI71685  Anthemis cotula David J. Keil 1992-7-3 20871 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  OBI71693  Anthemis cotula David J. Keil 1992-7-3 20871 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SBBG117841  Anthemis cotula M. Wetherwax, E. Painter 2000-6-13 SLO 150 San Luis Obispo between N base of the first ridge W of Cerro Romualdo and 'lily creek'; just N of Eucalyptus stand, in former home site; Camp San Luis Obispo 100 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
  UCR131088  Anthemis cotula George K. Helmkamp, E. A. Helmkamp 1999-5-22 4916 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  JEPS83322  Antirrhinum kelloggii David M. Thompson 1983-5-26 321 San Luis Obispo ne side Cerro Remauldo (700 ft above the forested area above the old incinerator on the Camp San Luis Obispo Military Reservation); San Luis Obispo, San Luis Obispo Quad. (7.5', 1965) 182 Comment
  OBI71674  Antirrhinum nuttallianum David J. Keil 1988-7-2 20858 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  UC1953798  Antirrhinum nuttallianum David Keil 1988-7-2 20858 San Luis Obispo Morro Bay State Park, east of South Bay Blvd, Vicinity of old cement plant or on hill to northeast. Comment
  SBBG118638  Aphanes occidentalis E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 87 San Luis Obispo Cerro Romualdo; Camp San Luis Obispo 160 Comment
  UC454523  Apiastrum angustifolium I. J. Condit 1910-5-14 San Luis Obispo Osos Valley Comment
  OBI37410  Apium graveolens Eric Wise 1982-6-24 1520 San Luis Obispo Warden Lake. Willow bog of old lake [N of Los Osos Valley Rd and new reservoir next to it Comment
  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
  CAS-BOT-BC392054  Aquilegia eximia M. Wetherwax; L. Wetherwax; M. Walter 2000-7-3 SLO- 156 San Luis Obispo Camp San Luis Obispo. First ridge west of Cerro Romauldo, next to unnamed creek, first drainage w of old homestead 90 Comment
  SBBG118179  Aquilegia eximia M. Wetherwax, L. Wetherwax, M. Walter 2000-7-3 SLO 156 San Luis Obispo first ridge W of Cerro Romualdo, next to 'Lily Crk', first drainage W of old homestead; Camp San Luis Obispo 90 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
  OBI78751  Aralia californica Michael Walgren 2013-9-18 338 San Luis Obispo Northern coastal county, at the first creek north of San Carpoforo Cr., on both sides of Highway One. 38 Comment
  UC1389130  Arctostaphylos B. Bolt 1936-2-17 200 San Luis Obispo 2 3/8 mi s Hollister Peak; Cayucos Quadrangle 60 Comment
  OBI14741  Arctostaphylos cruzensis Robert F. Hoover 1947-1-26 6600 San Luis Obispo Osos Valley Comment
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Dec 24 2016
  UC1389141  Arctostaphylos cruzensis Ben Bolt 1936-2-10 571 San Luis Obispo 1 1/2 mi se Osos Creek; Cayucos Quadrangle 60 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
  UC1389143  Arctostaphylos cruzensis Ben Bolt 1936-2-17 577 San Luis Obispo 2 3/8 mi e Hollister Peak; Cayucos Quadrangle 60 Comment
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Dec 24 2016
  UC1389144  Arctostaphylos cruzensis A. E. Wieslander 1936-2-26 611 San Luis Obispo 2 mi ssw Hollister Peak; Cayucos Quad. 60 Comment
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Dec 24 2016
  RSA122341  Arctostaphylos luciana B. Bolt 1936-2-17 577 San Luis Obispo 2 & 3/8 miles S of Hollister Peak 60 Comment
  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
  UC1309678  Arctostaphylos morroensis B. Bolt 1936-1-31 560 San Luis Obispo 3/4 mi se mouth of Osos Creek; Cayucos Quadrangle 30 Comment
  UC1334947  Arctostaphylos morroensis B. Bolt 1936-1-14 541 San Luis Obispo 3/4 mi se Osos Creek; Morro Bay South 1:24 quad 30 Comment
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Jul 5 2012
  UC1334948  Arctostaphylos morroensis A. E. Wieslander 1936-2-25 601 San Luis Obispo w Los Osos Creek; Cayucos Quadrangle 30 Comment
  UCD52470  Arctostaphylos morroensis B. Bolt 1936-1-14 541 San Luis Obispo 3/4 mile SE of mouth of Osos Creek. 30 Comment
  UCD52478  Arctostaphylos morroensis B. Bolt 1936-1-31 559 San Luis Obispo 2 miles SSE of mouth of Osos Creek. 45 Comment
  UCD52921  Arctostaphylos obispoensis Roman Gankin 1963-4-10 354 San Luis Obispo About 6 mi. east of Morro Bay. Comment
  UCD52922  Arctostaphylos obispoensis Roman Gankin 1963-4-10 355 San Luis Obispo About 6 mi. east of Morro Bay on HWY 466. Comment
  CAS-BOT-BC27196  Arctostaphylos osoensis P. V. Wells; W. Knight 1989-3-13 31389 A San Luis Obispo NW slope of Hollister Peak, N side of Los Osos Valley. 300 Comment
  CDA15439  Arctostaphylos osoensis G. F. Hrusa 1995-6-21 12419 San Luis Obispo Hollister Peak; Large colony on SW-facing shoulder of Hollister Peak. Comment
  CDA15440  Arctostaphylos osoensis G. F. Hrusa 1995-6-21 12414 San Luis Obispo Hollister Peak; Large colony on SW-facing shoulder of Hollister Peak. Comment
  CHSC85715  Arctostaphylos osoensis G. F. Hrusa 1995-6-20 12409 San Luis Obispo On SW-facing shoulder of Hollister Peak. Immediately below last steep ascent to peak from S side. 375 Comment
  HSC100136  Arctostaphylos osoensis G. F. Hrusa 1995-6-20 12417 San Luis Obispo SW-facing slope of Hollister Peak 343 Comment
  JEPS103768  Arctostaphylos osoensis D. H. Wilken 2002-4-24 15889 San Luis Obispo w slope of un-named peak on Park Ridge, ca. 1.0 km se of Cerro Cabrillo and 2 km w of Hollister Pk. 200 Comment
  OBI14734  Arctostaphylos osoensis Robert F. Hoover 1963-7-30 8588 San Luis Obispo NE side of Los Osos Valley Comment
  OBI57088  Arctostaphylos osoensis G. F. Hrusa 1995-6-21 12422 San Luis Obispo Hollister Peak; Los Osos Valley Comment
  RSA671151  Arctostaphylos osoensis G. Fred Hrusa 1995-6-20 12418 San Luis Obispo Hollister Peak; Large colony on SW-facing shoulder of Hollister Peak, immediately below last steep ascent to peak from S side. 375 Comment
  SBBG114646  Arctostaphylos osoensis D. H. Wilken 2002-4-24 15889 San Luis Obispo W slope of un-named peak on Park Ridge, ca. 1 km SE of Cerro Cabrillo and 2 km W of Hollister Pk 200 Comment
  SBBG116933  Arctostaphylos osoensis G. F. Hrusa 1995-6-20 12424 San Luis Obispo Hollister Pk, immediately below last steep ascent to peak from S side 375 Comment
  SBBG48504  Arctostaphylos osoensis H. S. Meyer, A. Meyer 1974-6-22 San Luis Obispo saddle between Hollister Pk and Black Hill Comment
  SD175818  Arctostaphylos osoensis G. F. Hrusa 1995-6-20 12421 San Luis Obispo Large colony on SW-facing shoulder of Hollister Peak. Bare volcanic substratum, immediately below last steep ascent to peak from S side. 374 Comment
  UC1776754  Arctostaphylos osoensis G. F. Hrusa 1995-6-20 12410 San Luis Obispo Hollister Peak; SW-facing shoulder of Hollister Peak. Bare volcanic substratum, immediately below last steep ascent to peak from S side. 375 Comment
  UCD51740  Arctostaphylos osoensis G. F. Hrusa 1995-6-21 12412 San Luis Obispo Large colony on SW-facing shoulder of Hollister Peak. Comment
  UCR149042  Arctostaphylos osoensis G. Fred Hrusa 1995-6-20 12423 San Luis Obispo Central Western; Outer South Coastal Ranges region, Hollister Peak; Large colony on SW-facing shoulder of Hollister Peak, immediately below last steep ascent to peak from S side. 375 Comment
  UCSB25943  Arctostaphylos osoensis Wieslander, A. 1936-2-26 San Luis Obispo 2 miles south-southwest of Hollister Peak, U.S.G.S. Quad. Cayucos 60 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
  UCR134410  Arctostaphylos pechoensis George K. Helmkamp, E. A. Helmkamp 2001-4-29 6570 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  CAS-BOT-BC47285  Arctostaphylos tomentosa R. F. Hoover 1963-7-30 8589 San Luis Obispo NE side of Los Osos Valley. Comment
  CAS-BOT-BC47290  Arctostaphylos tomentosa R. F. Hoover 1963-7-30 8589 San Luis Obispo NE side of Los Osos Valley. Comment
  OBI14508  Arctostaphylos tomentosa Robert F. Hoover 1963-7-30 8589 San Luis Obispo NE side of Los Osos Valley, Comment
  UC1120117  Arctostaphylos tomentosa subsp. crustacea A. E. Wieslander 1936-2-25 605 San Luis Obispo Hazard Creek Cayucos Quadrangle 152 Comment
  UC1120122  Arctostaphylos tomentosa subsp. tomentosa B. Bolt 1936-2-17 579 San Luis Obispo 2 3/8 mi s Hollister Peak; Cayucos Quadrangle Comment
  UC1121492  Arctostaphylos tomentosa subsp. tomentosa A. E. Wieslander 1936-2-26 613 San Luis Obispo 2 mi ssw Hollister Pk.; Cayucos Quadrangle Comment
  UC1276227  Arctostaphylos tomentosa subsp. tomentosa R. F. Hoover and P. V. Wells 1963-7-30 8589 San Luis Obispo ne side Los Osos Valley 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
  SEINET2445112  Artemisia californica David Keil 1988-7-2 20862 San Luis Obispo Morro Bay State Park. E of South Bay Blvd. Vicinity of old cement plant of on hill to NE. 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
  OBI17193  Arthrocnemum subterminale Robert F. Hoover 1965-9-22 9642 San Luis Obispo Osos Crk near Morro Bay Comment
  RSA216738  Arthrocnemum subterminale Robert F. Hoover 1965-9-22 9642 San Luis Obispo Los Osos Creek near Morro Bay. Comment
  SBBG104503  Arundo donax F. L. Johnson, N. A. McCarty 1993-10-14 ROB 722 San Luis Obispo Chorro Crk in cantonment area; Camp San Luis Obispo Comment
  UC455609  Asclepias eriocarpa I. J. Condit 1908-6-20 San Luis Obispo Cuesta Comment
  SEINET8466180 Image available Asparagus officinalis David Keil 1985-6-9 18793 San Luis Obispo Los Osos/Baywood Park area. End of Nipomo Avenue (1.5 blocks ESE of Willow Drive) and N across scrub to Eto Lake Comment
  UCR42543  Asparagus officinalis David J. Keil 1985-6-9 18793 San Luis Obispo Central coast, Los Osos/Baywood Park area. End of Nipomo Avenue (1.5 blocks ESE of Willow Drive) and N across scrub to Eto Lake Comment
  SBBG104911  Asphodelus fistulosus M. D. Proctor, E. A. Young 1993-3-23 ROB 320 San Luis Obispo E edge of Cantonment Area; Camp San Luis Obispo 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
  UC1128829  Astragalus curtipes C. M. Belshaw 1936-3-23 1710 San Luis Obispo 1.4 mi ssw Hollister Pk.; Cayucos Quad., ssw of Hollister Pk 106 Comment
  OBI79958  Astragalus nuttallii David J. Keil 2013-9-3 32006 San Luis Obispo Morro Bay State Park. Canet Trail east of Live Oak Trail 60 Comment
  SFV1787  Astragalus nuttallii J. M. Tucker, R. Gankin 1963-4-10 3670 San Luis Obispo About 7 miles from Morro Bay on U. S. Highway 466. 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
  UC1136232  Atriplex californica H. S. Yates 1936-3-23 5373 San Luis Obispo 1/2 mi s Black Hill (Cayucos); Cayucos Quad., s of Black Hill Comment
  OBI71665  Atriplex semibaccata David J. Keil 1988-7-2 20848 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  UCR123155  Atriplex semibaccata George K. Helmkamp, E. A. Helmkamp 2002-4-16 7412 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  OBI71641  Avena barbata David J. Keil 1988-7-2 20875 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  RSA17773  Avena barbata C. B. Wolf 1929-4-15 3600 San Luis Obispo 8 miles of San Luis Obispo on road to Morro Bay. Comment
  UC1130883  Avena barbata C. M. Belshaw 1936-3-23 1697 San Luis Obispo 1.9 mi sw Hollister Pk. (Plot 2); Cayucos Quadrangle 18 Comment
  UCR93698  Avena barbata George K. Helmkamp 1996-5-24 1045 San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 Comment
  SBBG95347  Avena fatua C. Zeeb 1984-1-21 3 San Luis Obispo 0.6 mi E of Pennington Crk Rd 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
  OBI71656  Baccharis glutinosa David J. Keil 1992-7-3 20839 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  UC1285127  Baccharis glutinosa R. F. Hoover 1946-8-3 6261 San Luis Obispo San Luis Range, Perfumo Canyon Comment
  UC1953800  Baccharis glutinosa David Keil 1988-7-2 20839 San Luis Obispo Morro Bay State Park, east of South Bay Blvd. vicinity of old cement plant or on hill to northeast. Comment
  UCR100322  Baccharis glutinosa George K. Helmkamp 1997-10-30 2509 San Luis Obispo Los Osos, along Osos Valley [Turri] Road, 1.2 miles east of South Bay Blvd. 46 Comment
  OBI35780  Baccharis pilularis var. consanguinea Allison Berry 1984-4-20 123 San Luis Obispo Camp San Luis Shooting Facility; 6.5 mi N of San Luis Obispo on Hwy 1 Comment
  RSA613755  Barbarea verna George K. Helmkamp, E. A. Helmkamp 1997-3-8 1435 San Luis Obispo NE of Los Osos Valley Road on Turri Road. 30 Comment
  UCR97553  Barbarea verna George K. Helmkamp, E. A. Helmkamp 1997-3-8 1435 San Luis Obispo NE of Los Osos. 4.5 mi. north of Los Osos Valley Rd on Turri Rd. 30 Comment
  CDA11604  Bellardia trixago G. F. Hrusa 1995-6-21 12403 San Luis Obispo Hollister Peak; S base of Hollister Peak near homestead. Comment
  CDA20924  Bellardia trixago G. F. Hrusa, B. Wistor 1980-6-16 139 San Luis Obispo Los Osos Valley; S base of Hollister Peak along Turri Rd. 0 Comment
  CLARK-A1045-1357  Bellardia trixago George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay grassy field beside Turri Road, inland about 3 miles from Morro Bay; Morro Bay S 7.5'Q Comment
  UCR91807  Bellardia trixago George K. Helmkamp 1996-5-24 1011 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  UC1126286  Berberis pinnata B. Bolt 1936-3-14 624 San Luis Obispo 1 mi se Black Hill; Cayucos Quadrangle Comment
  OBI54200  Berula erecta David J. Keil, V. L. Holland 1996-6-18 25900 San Luis Obispo El Chorro Regional Park. Site of proposed botanical garden 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
  UCR91827  Bloomeria crocea var. aurea George K. Helmkamp 1996-5-24 1010 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  SBBG44906  Bloomeria crocea var. crocea L. W. Edge 1972-5-10 178 San Luis Obispo under pasture fence, Turri Rd, S of Morro Bay Comment
  OBI78797  Bolboschoenus maritimus David J. Keil 2013-8-29 31993 San Luis Obispo Morro Bay State Park. Just east of South Bay Blvd on south side of Los Osos Creek estuary. 2 Comment
  OBI78843  Bolboschoenus maritimus David J. Keil 2013-8-29 31993 San Luis Obispo Morro Bay State Park. Just east of South Bay Blvd on south side of Los Osos Creek estuary 2 Comment
  UCSB70182  Bolboschoenus maritimus Ferren, Wayne; Hamilton, Jason 1993-7-19 San Luis Obispo Los Osos Creek. Comment
  OBI43593  Bolboschoenus maritimus subsp. paludosus Eric Wise 1981-6-15 597 San Luis Obispo turri rd, 1 mi E of So. Bay blvd Comment
  OBI43594  Bolboschoenus maritimus subsp. paludosus Eric Wise 1982-5-1 1450 San Luis Obispo turri rd, 1 mi E of So. Bay blvd Comment
  OBI43595  Bolboschoenus maritimus subsp. paludosus Eric Wise 1982-6-24 1528 San Luis Obispo Warden Lake. Willow bog of old lake [N of Los Osos Valley Rd] and new reservoir next to it Comment
  SEINET11261647  Bolboschoenus maritimus subsp. paludosus David Keil 1985-6-19 18902 San Luis Obispo South margins of Warden Lake marsh north of Los Osos Valley Memorial park, just east of powerline corridor.; 0 20 Comment
  UCR266006  Bolboschoenus maritimus subsp. paludosus David J. Keil 1985-6-19 18902 San Luis Obispo Central Coast, south margins of Warden Lake marsh north of Los Osos Valley Memorial Park, just east of powerline corridor 20 Comment
  UCR91704  Bolboschoenus maritimus subsp. paludosus George K. Helmkamp 1996-5-24 1039 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  SD241634  Bolboschoenus robustus W. Ferren, Hamilton 1993-7-19 EPA 88 San Luis Obispo Los Osos Creek. Comment
  SD241635  Bolboschoenus robustus W. Ferren, Hamilton 1993-7-19 EPA 88 San Luis Obispo Los Osos Creek. Comment
  UCSB70221  Bolboschoenus robustus Ferren, Wayne; Hamilton, Jason 1993-7-19 San Luis Obispo Los Osos Creek. Comment
  OBI78752  Boykinia occidentalis Michael Walgren 2013-9-18 337 San Luis Obispo Northern coastal county, at the first creek north of San Carpoforo Cr., on both sides of Highway One. 38 Comment
  SD249285  Boykinia occidentalis Michael Walgren 2013-9-18 337 San Luis Obispo Northern coastal county, at the first creek north of San Carpoforo Cr. On both sides of Highway One. 38 Comment
  OBI29019  Brachypodium distachyon David J. Keil 1982-6-4 16178 San Luis Obispo El Chorro Regional Park NE of San Luis Obispo. CA 1 mi E of County Educational Facility, just E of old washed out bridge Comment
  OBI39851  Brachypodium distachyon David J. Keil 1985-6-22 18929 San Luis Obispo Along South Bay Blvd, between Turri Rd and Santa Ysabel St, Baywood Park Comment
  SEINET944634  Brachypodium distachyon G. Helmkamp 1996-1 1018 San Luis Obispo State Park System north of Turri Road and 1.5 miles east of South Bay Blvd. Comment
  UC1100209  Brachypodium distachyon Malcolm A. Nobs, S. Galen Smith 1949-6-24 862 San Luis Obispo at e end of Morro Bay Morro Bay Comment
  UCD57097  Brachypodium distachyon Malcolm A. Nobs; S. Galen Smith 1949-6-24 862 San Luis Obispo San Luis Obispo County: East end of Morro Bay. Comment
  UCR91687  Brachypodium distachyon George K. Helmkamp 1996-5-24 1013 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  UCR91850  Brachypodium distachyon George K. Helmkamp 1996-5-24 1013 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  SEINET269228 Image available Brachypodium hybridum G. Helmkamp 1996-5-24 1013 San Luis Obispo State Park System north of Turri Rd. and 1.5 miles of South Bay Blvd. 95 Comment
  OBI79032  Brassica nigra David J. Keil 2013-8-22 31907 San Luis Obispo Morro Bay State Park. Between 1743 and 1800 Turri Road (from 35.330341 deg. , -120.812458 deg. to 35.327170 deg. , -120.808337 deg. ) 9 Comment
  OBI72088  Brassica rapa Michael Walgren 2010-3-25 90 San Luis Obispo Morro Bay state park on a knoll NE of the intersection of Turri rd and South Bay Blvd Comment
  UC1126838  Brassica rapa C. M. Belshaw 1936-4-23 1699 San Luis Obispo 1.9 mi sw of Hollister Peak 18 Comment
  CAS-BOT-BC100466  Brickellia californica Clare B. Hardham 1957-9-1 2527 San Luis Obispo Cuesta 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
  OBI64851  Briza minor David J. Keil 2001-5-3 29398 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus 43 Comment
  SEINET244871 Image available Briza minor G. K. Helmkamp, E. A. Helmkamp 2002-4-16 7407 San Luis Obispo Central coast: Park Ridge 0.5 mi E of Morro Bay near Turri Road. 76 Comment
  UCR123150  Briza minor George K. Helmkamp, E. A. Helmkamp 2002-4-16 7407 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  UCR91706  Briza minor George K. Helmkamp 1996-5-24 1043 San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 Comment
  UC454403  Brodiaea terrestris subsp. terrestris I. J. Condit 1910-5-14 San Luis Obispo Osos Valley Comment
  OBI64854  Bromus carinatus David J. Keil 2001-5-3 29395 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Vicinity of 35.32831 deg. N x 120.75811 deg. W 37 Comment
  OBI80104  Bromus carinatus David J. Keil 2001-5-3 29395 Tulare Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. 37 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
  CAS-BOT-BC155901  Bromus commutatus R. F. Hoover 1964-6-11 9024 San Luis Obispo East end of Los Osos Valley. Comment
  SBBG117790  Bromus diandrus M. Wetherwax, E. Painter 2000-3-21 SLO 43 San Luis Obispo saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  UC454057  Bromus diandrus I. J. Condit 1910-5-14 San Luis Obispo near Morro Bay (Osos Valley); Osos Valley Comment
  UCR92523  Bromus diandrus George K. Helmkamp 1996-5-24 1046 San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 Comment
  OBI2590  Bromus hordeaceus Larry E. Brown 1971-4-1 1923 San Luis Obispo Perfumo Cyn near San Luis Obispo Comment
  OBI43400  Bromus hordeaceus Eric Wise 1982-5-1 1449 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  SBBG118218  Bromus hordeaceus M. Wetherwax, E. Painter, D. Keil 2000-4-18 SLO 93 San Luis Obispo old rd bed from water tower across NW slope of Cerro Romualdo; Camp San Luis Obispo 160 Comment
  SBBG118221  Bromus hordeaceus M. Wetherwax, E. Painter 2000-3-21 SLO 46 San Luis Obispo saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  UC1131053  Bromus hordeaceus C. M. Belshaw 1936-3-23 1698 San Luis Obispo 1.9 mi sw of Hollister Peak 18 Comment
  UCR92526  Bromus hordeaceus George K. Helmkamp 1996-5-24 1022 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  UCR91709  Bromus hordeaceus subsp. molliformis George K. Helmkamp 1996-5-24 1026 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  OBI22463  Bromus japonicus Robert F. Hoover 1964-6-11 9024 San Luis Obispo E end of Los Osos Valley Comment
  SBBG95740  Bromus madritensis D. Keil 1986-6-3 19631 San Luis Obispo Clark Valley Rd 0.5-0.75 mi SW of Los Osos Valley Rd Comment
  UC1131226  Bromus madritensis subsp. rubens B. Bolt 1936-3-13 619 San Luis Obispo 1 mi w of Cerro Romauldo 182 Comment
  OBI64831  Bromus pseudolaevipes David J. Keil, with Michael Curto 2001-5-15 29456 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. 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
  SBBG118254  Bromus rubens M. Wetherwax, E. Painter 2000-3-21 SLO 45 San Luis Obispo saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  OBI2623  Bromus sitchensis Larry E. Brown 1971-4-4 1924 San Luis Obispo In Perfumo Cyn near San Luis Obispo 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
  OBI20939  Callitriche marginata Robert F. Hoover 1967-3-18 10251 San Luis Obispo Los Osos Valley Comment
  JEPS122386  Calochortus argillosus Nisrine Machaka-Houri with Gracie Benson-Martin 2014-5-7 NG 6 San Luis Obispo Turri Road. 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
  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
  OBI64827  Calochortus clavatus David J. Keil, with Michael Curto 2001-5-15 29462 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  UC454383  Calochortus clavatus Condit and Edwards 1908-5-30 San Luis Obispo Cuesta 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
  SBBG119387  Calochortus clavatus var. clavatus E. Painter, M. Wetherwax 1999-7-13 SLO 4 San Luis Obispo near water tank above cantonment area, W of St Hwy 1; Camp San Luis Obispo 150 Comment
  SBBG3343  Calochortus clavatus var. clavatus E. Painter, M. Wetherwax with J. Sainz 2000-6-13 SLO 354 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 100 Comment
  SBBG35445  Calochortus clavatus var. clavatus J. Sainz, E. Painter, M. Wetherwax 2002-6-17 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 220 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
  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
  SBBG48487  Calochortus venustus L. W. Edge 1974-6-10 452 San Luis Obispo upper Prefumo Cyn Comment
  SBBG48488  Calochortus venustus L. W. Edge 1974-6-10 455 San Luis Obispo Turri Rd, S of Morro Bay Comment
  SBBG49340  Calochortus venustus L. W. Edge 1972-5-11 180 San Luis Obispo Turri Rd, S of Morro Bay, E of Los Osos Crk estuary Comment
  OBI71678  Calystegia macrostegia David J. Keil 1988-7-2 20861 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SEINET2445107  Calystegia macrostegia David Keil 1988-7-2 20861 San Luis Obispo Morro Bay State Park. E of South Bay Blvd. Vicinity of old cement plant or on hill to NE. 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
  UCR123171  Calystegia macrostegia subsp. cyclostegia George K. Helmkamp, E. A. Helmkamp 2002-4-16 7408 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 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
  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
  CDA34288  Calystegia subacaulis subsp. episcopalis David J. Keil 2001-5-3 29397 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI64852  Calystegia subacaulis subsp. episcopalis David J. Keil 2001-5-3 29397 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Vicinity of 35.32282 deg. N x 120.75689 deg. W?35.33305 deg. N x 120.75562 deg. W 43 Comment
  SBBG118540  Calystegia subacaulis subsp. episcopalis E. Painter, M. Wetherwax 2000-4-20 SLO 79 San Luis Obispo NW slope of Cerro Romualdo; Camp San Luis Obispo 180 Comment
  SBBG16303  Calystegia subacaulis subsp. episcopalis M. A. Piehl 1963-4-21 63103 San Luis Obispo Los Osos Valley Rd, ca. 1 mi E of Los Osos 10 Comment
  UC1927741  Calystegia subacaulis subsp. episcopalis David Keil 2001-5-3 29397 San Luis Obispo Campus of California Polytechnic State University, Chorro Creek Ranch S of Hwy. 1, W of Cuesta College campus 42 Comment
  UC2026947  Calystegia subacaulis subsp. episcopalis David Keil 1998-6-12 27786 San Luis Obispo Morro Bay State Park. Park Ridge area W of Hollister Peak, near Quarry trail Comment
  UCR91851  Calystegia subacaulis subsp. episcopalis George K. Helmkamp 1996-5-24 1012 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  RSA628488  Camissonia hardhamiae George K. Helmkamp, E. A. Helmkamp 1999-5-22 4907 San Luis Obispo Los Osos, N of the corner of Buckskin & Martingale streets. 61 Comment
  UCR131109  Camissonia hardhamiae George K. Helmkamp, E. A. Helmkamp 1999-5-22 4907 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR1342  Camissonia ovata Frank C. Vasek 1960-4-9 600409- 12 San Luis Obispo Central Coast, Los Osos [Valley] Road, 2 miles east of Los Osos 15 Comment
  UCR131345  Camissonia strigulosa George K. Helmkamp, E. A. Helmkamp 1999-5-22 4897 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR91833  Camissonia strigulosa George K. Helmkamp 1996-5-27 1097 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  OBI4259  Cardamine californica Janice Jacobs 1970-2-22 10 San Luis Obispo In Perfumo Cyn along roadside Comment
  OBI72586  Cardamine californica M. Wetherwax & E. L. Painter, E. L. Painter 2000-3-20 SLO- 37 San Luis Obispo Camp San Luis Obispo. Midslope, first ridge W of Cerro Romualdo. UTMs NAD27 zone 10 704500E, 3910400 200 Comment
  OBI77645  Cardamine californica Ed Zimmerman 1966-4-8 8 San Luis Obispo Perfumo Cyn 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
  SBBG117742  Cardamine californica var. californica E. Painter, M. Wetherwax 2003-3-6 SLO 306 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 200 Comment
  SBBG118184  Cardamine californica var. integrifolia M. Wetherwax, E. Painter 2000-3-20 SLO 37 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 200 Comment
  SBBG117765  Cardamine oligosperma E. Painter, M. Wetherwax, J. Olson 2002-3-26 SLO 223 San Luis Obispo W side of Cerro Romualdo; Camp San Luis Obispo 280 Comment
  RSA18240  Cardaria draba C. B. Wolf 1929-4-15 3610 San Luis Obispo Between San Luis Obispo and Morro Bay; 8 miles west of San Luis Obispo Comment
  UC1126653  Cardaria draba C. M. Belshaw 1936-3-23 1717 San Luis Obispo 1.4 mi ssw of Hollister Peak 106 Comment
  UCR130718  Cardionema ramosissimum George K. Helmkamp, E. A. Helmkamp 1999-5-22 4893 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  SD227732  Carduus pycnocephalus G. K. Helmkamp, E. A. Helmkamp 1999-5-22 4903 San Luis Obispo Los Osos: N of the corner of Buckskin & Martingale streets. 60 Comment
  UCD85584  Carduus pycnocephalus Daryl Koutnik 1978-6-19 528 San Luis Obispo San Luis Obispo County: Prefumo Canyon. 243 Comment
  UCR130720  Carduus pycnocephalus George K. Helmkamp, E. A. Helmkamp 1999-5-22 4903 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR134407  Carduus pycnocephalus George K. Helmkamp, E. A. Helmkamp 2001-4-29 6567 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  UCR91806  Carduus pycnocephalus George K. Helmkamp 1996-5-24 1016 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  UCR24792  Carex George K. Helmkamp 1981-6-20 s.n. San Luis Obispo Central Coast, Los Osos, south edge of Eto Lake 24 Comment
  UCR130721  Carex aquatilis var. dives George K. Helmkamp, E. A. Helmkamp 1999-5-22 4885 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  OBI78883  Carex barbarae David J. Keil 2013-9-6 32029 San Luis Obispo Morro Bay State Park, northeast of Los Osos Middle School. 12 Comment
  OBI78957  Carex barbarae Michael Walgren 2013-10-1 353 San Luis Obispo Morro Bay State Park, in a seep area southwest of Los Osos Middle School in the community of Los Osos. 9 Comment
  OBI78958  Carex barbarae Michael Walgren 2013-10-4 356 San Luis Obispo Private property in eastern Los Osos, vacant land between Eto Lane and Andre Street. 37 Comment
  SBBG127276  Carex barbarae D. J. Keil 2013-9-6 32029 San Luis Obispo Morro Bay State Park, NE of Los Osos Middle School 12 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
  UCR67025  Carex pansa George K. Helmkamp 1990-9-3 s.n. San Luis Obispo Central Coast, Los Osos, north of Buckskin and Martingale 46 Comment
  OBI64826  Carex spissa David J. Keil, with Michael Curto 2001-1 San Luis Obispo Comment
  OBI71646  Carpobrotus edulis David J. Keil 1988-7-2 20856 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  CDA14292  Carthamus lanatus J. Buckingham 1998-7-15 s.n. San Luis Obispo Hollister Peak; Southeast base of Hollister Peak at W end of Los Osos Valley. Comment
  UC1583649  Carthamus lanatus David J. Keil 1977-8-6 K 12483 San Luis Obispo 1/2 mi e of South Bay Boulevard Turri Road Comment
  SBBG104838  Castilleja affinis subsp. affinis M. D. Proctor, E. A. Young 1993-4-17 ROB 472 San Luis Obispo N side of Cerro Romualdo; Camp San Luis Obispo Comment
  UC1032481  Castilleja affinis subsp. affinis C. M. Belshaw 1936-3-25 1720 San Luis Obispo 1.5 mi s Los Osos Valley Forks; Cayucos Quad., Clark Valley 304 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
  OBI64850  Castilleja densiflora subsp. obispoensis David J. Keil 2001-5-3 29399 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Ca. 35.33472 deg. N x 120.75560 deg. W Comment
  SBBG117757  Castilleja densiflora subsp. obispoensis E. Painter, M. Wetherwax 2003-4-28 SLO 319 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 117 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
  UC1032395  Castilleja densiflora subsp. obispoensis C. M. Belshaw 1936-3-25 1775 San Luis Obispo 3.6 mi ene Valencia Peak; Cayucos Quad. 396 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
  UC1063290  Castilleja foliolosa B. Bolt 1936-2-17 576 San Luis Obispo 2.37 mi s Hollister Peak; Cayucos Quad. 45 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
  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
  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
  UCR134414  Ceanothus cuneatus subsp. cuneatus George K. Helmkamp, E. A. Helmkamp 2001-4-29 6574 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  CAS-BOT-BC64464  Ceanothus cuneatus subsp. fascicularis R. F. Hoover 1947-1-26 6601 San Luis Obispo Osos Valley. Comment
  UC1071109  Ceanothus cuneatus var. cuneatus B. Bolt 1936-1-31 562 San Luis Obispo 3/4 mi sse. mouth of Osos Creek; Cayucos quad. 30 Comment
  UC1071145  Ceanothus cuneatus var. cuneatus B. Bolt 1936-1-14 526 San Luis Obispo 2 mi sse. Osos Creek mouth; Cayucos quad. 45 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
  OBI75024  Ceanothus cuneatus var. fascicularis Michael Walgren 2011-2-17 200 San Luis Obispo Morro Bay State Park in Los Osos E of South Bay Blvd. and N of El Morro Ave. 30 Comment
  CAS-BOT-BC49121  Ceanothus cuneatus var. ramulosus R. F. Hoover 1947-1-26 6601 San Luis Obispo Osos Valley Comment
  UC1071414  Ceanothus griseus B. Bolt 1936-2-18 580 San Luis Obispo 1/2 mi s Hollister Peak; Cayucos quad. 213 Comment
  UC455337  Ceanothus oliganthus subsp. sorediatus E. P. Unangst 1907-4-3 San Luis Obispo Cuesta Comment
  UC455425  Ceanothus oliganthus var. sorediatus E. P. Unangst 1907-4-3 San Luis Obispo Cuesta 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
  UC1071229  Ceanothus papillosus B. Bolt 1936-3-14 625 San Luis Obispo 1 1/4 mi w Hollister Peak; Cayucos Quad., w of Hollister Peak 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
  UC52333  Ceanothus papillosus Mrs. R. W. Summers 1888-3-18 143 San Luis Obispo Los Osos Valley , Los Osos Valley (Canyon) Comment
  UCD170345  Ceanothus papillosus D. O. Burge; S. Ratay 2016-12-3 2204 San Luis Obispo San Luis Obispo County: Cerro Cabrillo area, N slope of ridge connecting Cerro Cabrillo to Hollister Peak. 130 Comment
  RSA43178  Ceanothus ramulosus Robert F. Hoover 1947-1-26 6601 San Luis Obispo Osos Valley 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
  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
  UC455421  Ceanothus spinosus California Polytechnic School 1906-1 11 San Luis Obispo Prefumo Canyon Comment
  UC455422  Ceanothus spinosus E. P. Unangst 1907-4-9 San Luis Obispo Cuesta 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
  UC1071409 Image available Ceanothus thyrsiflorus B. Bolt 1936-3-11 605 San Luis Obispo 2 1/4 mi S. of mouth Osos Creek (Plot No. 73); Cayucos Quadrangle Comment
  UCD162807  Ceanothus thyrsiflorus D. O. Burge 2014-11-23 1682 San Luis Obispo San Luis Obispo County: Hollister Peak, N slope. 226 Comment
  UCD170344  Ceanothus thyrsiflorus var. griseus D. O. Burge; S. Ratay 2016-12-3 2203 San Luis Obispo San Luis Obispo County: Cerro Cabrillo area, N slope of ridge connecting Cerro Cabrillo to Hollister Peak. 130 Comment
  UCD170399  Ceanothus thyrsiflorus var. griseus D. O. Burge; S. Ratay 2016-12-3 2205 San Luis Obispo San Luis Obispo County: Cerro Cabrillo area, N slope of ridge connecting Cerro Cabrillo to Hollister Peak. 170 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
  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
  SBBG44862  Centaurea melitensis L. W. Edge 1972-5-10 187 San Luis Obispo Turri Rd, S of Morro Bay 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
  UCR123173  Centaurium davyi George K. Helmkamp, E. A. Helmkamp 2002-4-16 7415 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  UCR91837  Centaurium davyi George K. Helmkamp 1996-5-24 1040 San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 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
  UC481019  Centromadia parryi subsp. congdonii Miss R. R. Reed 1917-8-1 3 San Luis Obispo Los Osos Valley Comment
  UC1125802  Cerastium glomeratum C. M. Belshaw 1936-3-23 1716 San Luis Obispo 1.4 mi. s.-s.w. Hollister Peak (Plot 3); Cayucos Quad. 106 Comment
  CLARK-A1045-1374  Cerastium viscosum George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road at Morro Bay; Morro Bay S 7.5'Q Comment
  OBI20378  Cercocarpus betuloides David J. Keil 1979-4-28 s.n. San Luis Obispo Prefumo Cyn Comment
  UC453982  Cercocarpus betuloides var. betuloides E. P. Unangst 1908-4-12 San Luis Obispo Perfumo Canyon Comment
  UCSB37984  Chaenactis glabriuscula Edge, Lyda 1972-5-8 San Luis Obispo North of Los Osos Valley Road, Los Osos Comment
  SBBG45153  Chaenactis glabriuscula var. lanosa L. W. Edge 1972-5-8 146 San Luis Obispo N of Los Osos Valley Rd, Los Osos Comment
  SBBG118432  Chamaesyce serpillifolia subsp. serpillifolia M. Wetherwax, E. Painter, K. Downing 2002-5-8 SLO 263 San Luis Obispo San Luis Obispo, first ridge W of Cerro Romualdo 100 Comment
  RSA667140  Chenopodium album var. striatum George K. Helmkamp, E. Helmkamp 2000-9-1 5958 San Luis Obispo Martingale at Buckskin. 30 Comment
  OBI72805  Chenopodium californicum Michael Walgren 2010-4-15 117 San Luis Obispo Morro Bay state park, at the E terminus of Pismo Ave in Los Osos. This new acquisition parcel is located S of Pismo Ave and abuts several homes. the parcel is known as Powell III . Near Pismo Ave Comment
  UCR130724  Chenopodium californicum George K. Helmkamp, E. A. Helmkamp 1999-5-22 4888 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  SEINET4182697 Image available Chenopodium littoreum George K. Helmkamp, E. A. Helmkamp 1999-5-22 4887 San Luis Obispo Los Osos; north of the corner of Buckskin Dr. & Martingale streets. 61 Comment
  UCR130723  Chenopodium littoreum George K. Helmkamp, E. A. Helmkamp 1999-5-22 4887 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR118352  Chenopodium missouriense George K. Helmkamp, E. A. Helmkamp 2000-9-1 5960 San Luis Obispo Los Osos, Martingale at Buckskin 30 Comment
  UCD98490  Chenopodium strictum G. K. Helmkamp; E. A. Helmkamp 2000-9-1 5958 San Luis Obispo San Luis Obispo County: Los Osos: Martingale at Buckskin. 30 Comment
  UCR120737  Chenopodium strictum George K. Helmkamp, E. A. Helmkamp 2000-9-1 5958 San Luis Obispo Los Osos, Martingale at Buckskin 30 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
  OBI71692  Chlorogalum pomeridianum David J. Keil 1988-7-2 20881 San Luis Obispo Morro Bay State Park, east of South Bay Blvd 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
  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
  OBI26582  Chlorogalum pomeridianum var. pomeridianum David J. Keil 1981-5-31 s.n. San Luis Obispo County Education Facility at Rancho el Chorro Comment
  UCR91829  Chlorogalum pomeridianum var. pomeridianum George K. Helmkamp 1996-5-24 1020 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  OBI64817  Chorizanthe David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29412 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI72808  Chorizanthe angustifolia Michael Walgren 2010-4-15 120 San Luis Obispo Morro Bay State Park, at the E terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. The parcel is known as "Powell III" Near Pismo Ave, near a stand of Quercus agrifolia Comment
  RSA627388  Chorizanthe angustifolia George K. Helmkamp, E. A. Helmkamp 1999-5-22 4896 San Luis Obispo Los Osos, N of the corner of Buckskin and Martingale streets. 61 Comment
  SD232771  Chorizanthe angustifolia G. Helmkamp 1996-5-27 1086 San Luis Obispo Los Osos. NE of the corner of Martingale and Buckskin. 60 Comment
  UCR131344  Chorizanthe angustifolia George K. Helmkamp, E. A. Helmkamp 1999-5-22 4896 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR91854  Chorizanthe angustifolia George K. Helmkamp 1996-5-27 1086 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  UCSB37281  Chorizanthe angustifolia Edge, Lyda 1972-5-8 San Luis Obispo north of Los Osos Valley Road, Los Osos. Comment
  SBBG33697  Chorizanthe angustifolia var. eastwoodiae L. W. Edge 1972-5-8 147 San Luis Obispo N of Los Osos Valley Rd, Los Osos Comment
  UCR24796  Chorizanthe angustifolia var. eastwoodiae George K. Helmkamp 1981-6-20 s.n. San Luis Obispo Los Osos: just north of Martingale Avenue and Buckskin Drive 61 Comment
  OBI64814  Chorizanthe breweri David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29415 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Vicinity of 35.32467 deg. N x 120.75572 deg. W 96 Comment
  SBBG117981  Chorizanthe breweri E. Painter, M. Wetherwax 2003-4-28 SLO 320 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 120 Comment
  SBBG118001  Chorizanthe breweri E. Painter, M. Wetherwax, K. Downing 2002-5-8 SLO 359 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 100 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
  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
  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
  UCR135962  Chorizanthe staticoides George K. Helmkamp, E. A. Helmkamp 2001-4-29 6561 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  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
  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
  RSA26271  Cirsium fontinale var. obispoense Alice Eastwood, John Thomas Howell 1938-6-14 5917 San Luis Obispo Prefumo Canyon. 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
  UCR67937  Cirsium fontinale var. obispoense David J. Keil 1977-8-22 12520 San Luis Obispo San Luis Range, Prefumo Canyon 150 Comment
  UC454289  Cirsium occidentale var. californicum I. J. Condit 1908-5-30 San Luis Obispo Cuesta Comment
  OBI79033  Cirsium vulgare David J. Keil 2013-8-22 31905 San Luis Obispo Morro Bay State Park. Between 1743 and 1800 Turri Road (from 35.330341 deg. , -120.812458 deg. to 35.327170 deg. , -120.808337 deg. ) 9 Comment
  OBI60895  Cistus incanus Brian Abert 2002-5-28 26 San Luis Obispo Los Osos Middle School, Los Osos near parking lot. 26 Comment
  OBI78793  Cistus incanus David J. Keil 2013-9-4 32017 San Luis Obispo Morro Bay State Park. East of Los Osos Middle School sports fields 16 Comment
  UC2027332  Cistus incanus David J. Keil 2013-9-4 32017 San Luis Obispo Morro Bay State Park. East of Los Osos Middle School sports fileds Comment
  SBBG118011  Clarkia affinis E. Painter, M. Wetherwax 2002-4-23 SLO 244 San Luis Obispo NW side of Cerro Romualdo; Camp San Luis Obispo 200 Comment
  CAS-BOT-BC172278  Clarkia bottae John Thomas Howell; Alice Eastwood 1938-6-14 5935 San Luis Obispo Prefumo Canyon Comment
  OBI64828  Clarkia bottae David J. Keil, with Michael Curto 2001-5-15 29460 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  SBBG117855  Clarkia bottae E. Painter, M. Wetherwax, K. Downing 2002-5-8 SLO 264 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 108 Comment
  SBBG117859  Clarkia bottae M. Wetherwax, E. Painter, N. Havlik 2003-5-30 SLO 342 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 130 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
  SBBG118013  Clarkia epilobioides E. Painter, M. Wetherwax, J. Olson 2002-4-23 SLO 237 San Luis Obispo W side of Cerro Romualdo, abandoned rd leading from water tank across E slope; Camp San Luis Obispo 155 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
  SBBG117860  Clarkia unguiculata E. Painter, M. Wetherwax 2000-6-13 SLO 148 San Luis Obispo first ridge W of Cerro Romualdo, just above small Eucalyptus grove remaining from old homestead; Camp San Luis Obispo 100 Comment
  OBI78296  Claytonia exigua subsp. exigua David J. Keil 1979-4-19 13059 San Luis Obispo Upper Prefumo Cyn rd Comment
  SBBG117519  Claytonia exigua subsp. exigua E. Painter, M. Wetherwax 2002-2-28 SLO 216 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo Comment
  SBBG117548  Claytonia exigua subsp. exigua M. Wetherwax, E. Painter 2000-3-24 SLO 60 San Luis Obispo W side of Cerro Romualdo; Camp San Luis Obispo 160 Comment
  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
  SBBG117499  Claytonia perfoliata subsp. perfoliata E. Painter, M. Wetherwax 2003-4-1 SLO 312 San Luis Obispo W side of Cerro Romualdo, along unmapped trail from water tower to top of Cerro Romualdo; Camp San Luis Obispo 214 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
  UC454457  Clematis ligusticifolia E. P. Unangst 1906-9-1 San Luis Obispo Cuesta Comment
  OBI71658  Clinopodium douglasii David J. Keil 1988-7-2 20841 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  RSA647823  Collinsia heterophylla Charles D. Dunn 1972-4-15 s.n. San Luis Obispo Perfumo Canyon 61 Comment
  SBBG117761  Collinsia heterophylla E. Painter, M. Wetherwax 2003-4-28 SLO 322 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 115 Comment
  UC1032533  Collinsia heterophylla C. M. Belshaw 1936-3-25 1727 San Luis Obispo 3.6 mi e-ne of Valencia Peak 396 Comment
  UC1032543  Collinsia heterophylla N. K. Carlson 1936-3-22 211 San Luis Obispo 0.8 mi s of Mine Hill 114 Comment
  UC277767 Image available Collinsia heterophylla C. M. Belshaw 1936-3-25 1727 San Luis Obispo 3.6 mi e-ne of Valencia Peak (s of Morro Bay) 396 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
  OBI78742  Conicosia pugioniformis David J. Keil 2013-8-29 31999 San Luis Obispo Morro Bay State Park. Northeast of east end of Santa Ysabel Ave on slope south of Los Osos Creek 24 Comment
  SBBG89138  Conicosia pugioniformis A. Keedy 1988-9-24 23 San Luis Obispo Morro Bay Comment
  OBI71669  Conium maculatum David J. Keil 1992-7-3 20840 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SBBG104884  Conium maculatum F. L. Johnson 1993-6-23 ROB 692 San Luis Obispo Chorro Crk at bicycle repair facility; Camp San Luis Obispo Comment
  OBI15327  Convolvulus arvensis J. J. Clark 1947-8-14 s.n. San Luis Obispo Los Osos Valley (cornfield) Comment
  UCR118351  Conyza bonariensis George K. Helmkamp, E. A. Helmkamp 2000-9-1 5962 San Luis Obispo Los Osos, Martingale at Buckskin 30 Comment
  UC454125  Cordylanthus rigidus subsp. rigidus I. J. Condit 1908-9-10 San Luis Obispo Cuesta 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
  SBBG34877  Corethrogyne filaginifolia Mrs. R. W. Summers 1886-1 San Luis Obispo Morro Bay Comment
  UC1119262  Corethrogyne filaginifolia B. Bolt 1936-3-4 598 San Luis Obispo 1/2 mi s mouth of Osos Creek (Plot 58); Cayucos Quadrangle Comment
  UC1119267  Corethrogyne filaginifolia B. Bolt 1936-1-14 527 San Luis Obispo 2 mi sse mouth of Osos Creek; Cayucos Quadrangle 45 Comment
  UC1285365  Corethrogyne filaginifolia R. F. Hoover 1946-8-3 6259 San Luis Obispo Perfumo Canyon San Luis Range Comment
  UC455828  Corethrogyne filaginifolia I. J. Condit 1908-6-20 San Luis Obispo Cuesta Comment
  SBBG117864  Corethrogyne filaginifolia var. filaginifolia E. Painter, M. Wetherwax 2000-8-19 SLO 159 San Luis Obispo first ridge W of Cerro Romualdo, SW of Eucalyptus stand; Camp San Luis Obispo 120 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
  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
  UCR134412  Cornus sericea subsp. occidentalis George K. Helmkamp, E. A. Helmkamp 2001-4-29 6572 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  OBI78750  Cortaderia jubata David J. Keil 2013-9-5 32025 San Luis Obispo Morro Bay State Park. Hillside at west base of Portola Hill above South Bay Blvd south of Quarry Trail trailhead along Live Oak Trail 24 Comment
  OBI78884  Cortaderia jubata David J. Keil 2013-9-3 32005 San Luis Obispo Morro Bay State Park, Park Ridge. 72 Comment
  SBBG118636  Cotoneaster pannosus M. Wetherwax, E. Painter 2000-11-14 SLO 165 San Luis Obispo bottom of Chorro Crk arroyo; Camp San Luis Obispo 100 Comment
  UC1953324  Cotoneaster pannosus David Keil 2009-3-1 30566 San Luis Obispo Perfumo Canyon Road west of San Luis Obispo city limits. Comment
  OBI38471  Cotula coronopifolia Eric Wise 1982-6-24 1517 San Luis Obispo Warden Lake. N of Los Osos valley Rd Comment
  OBI38477  Cotula coronopifolia Eric Wise 1981-6-15 591 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  UC1119275  Cotula coronopifolia C. M. Belshaw 1936-3-23 1701 San Luis Obispo 1.9 mi sw Hollister Park; Cayucos Quad. Comment
  SBBG118521  Crassula connata M. Wetherwax, E. Painter 2003-4-1 SLO 311 San Luis Obispo W side of Cerro Romualdo; Camp San Luis Obispo 250 Comment
  UC1127153  Crassula connata var. subsimplex N. K. Carlson 1936-3-25 220 San Luis Obispo 0.1 mi. n. Goldtree (Plot 17); San Luis Obispo Quad. 182 Comment
  UC1121532  Crocanthemum scoparium var. vulgare B. Bolt 1936-3-4 599 San Luis Obispo 0.5 mi s Mouth of Osos Creek; Cayucos Quad. 30 Comment
  OBI14413  Croton californicus Robert F. Hoover 1963-7-30 8585 San Luis Obispo Los Osos Valley Comment
  OBI72806  Croton californicus Michael Walgren 2010-4-15 118 San Luis Obispo Morro Bay state park, at the E terminus of Pismo Ave in Los Osos. This new acquisition parcel is located S of Pismo Ave and abuts several homes. the parcel is known as Powell III . Near Pismo Ave Comment
  UC1130373  Croton californicus B. Bolt 1936-1-14 534 San Luis Obispo 2 mi sse Osos Creek (mouth); Cayucos Quadrangle Comment
  SD232624  Cryptantha clevelandii G. Helmkamp 1996-5-27 1085 San Luis Obispo Los Osos. Oak woodland in fine sand NE of the corner of Martingale and Buckskin. 60 Comment
  UC1063940  Cryptantha clevelandii B. Bolt 1936-3-11 612 San Luis Obispo 1.25 mi se Mouth of Osos Creek; Cayucos Quad. 30 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
  UCR130716  Cryptantha clevelandii George K. Helmkamp, E. A. Helmkamp 1999-5-22 4891 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 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
  UCR91696  Cryptantha clevelandii George K. Helmkamp 1996-5-27 1085 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  UCR98915  Cryptantha clevelandii George K. Helmkamp 1997-6-20 2051 San Luis Obispo Central Coast, Los Osos, c. 0.2 mi. NE of Buckskin & Martingale 27 Comment
  SEINET7063204  Cryptantha leiocarpa A. G. Vestal 1963-5-16 s.n. San Luis Obispo Dunes about 0.7 mile east southeast of Los Osos on the Pecho Valley Road. UTM Zone 10, 698257mE, 3909354mN. (WGS84/NAD83). 49 Comment
  UC455699  Cuscuta californica I. J. Condit 1908-6-30 San Luis Obispo Cuesta Comment
  UCR67875  Cuscuta californica var. breviflora David J. Keil 1986-5-31 19626 San Luis Obispo Central coast, Los Osos - Baywood Park area. Undeveloped area between end of Martingale Avenue and Eto Lake, Morro Bay area 46 Comment
  CDA34262  Cuscuta campestris David J. Keil 2001-8-24 29720 San Luis Obispo Foothill Road, 0.25 miles north-northeast of junction with Los Osos Valley Road. 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
  OBI20822  Cynoglossum grande Robert F. Hoover 1949-5-3 7657 San Luis Obispo Summit at head of See Cyn, San Luis Range 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
  OBI71682  Cyperus eragrostis David J. Keil 1988-7-2 20866 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SBBG104419  Cyperus eragrostis F. L. Johnson, N. A. McCarty 1993-10-14 ROB 712 San Luis Obispo Chorro Crk in cantonment area; Camp San Luis Obispo Comment
  SBBG104758  Cyperus eragrostis F. L. Johnson 1993-6-23 ROB 699 San Luis Obispo Chorro Crk at bicycle repair facility; Camp San Luis Obispo Comment
  UC2013170  Cyperus eragrostis David Keil 1979-7-1 13110 San Luis Obispo San Luis Range, lower Prefumo Canyon. Comment
  UCR91838  Cyperus eragrostis George K. Helmkamp 1996-5-24 1044 San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 Comment
  SD148284  Cyperus esculentus G. K. Helmkamp, E. A. Helmkamp 2000-9-1 5959 San Luis Obispo Los Osos; Martingale at Buckskin; disturbed sandy soil. 29 Comment
  UCD141065  Cyperus esculentus G. K. Helmkamp; E. A. Helmkamp 2000-9-1 5959 San Luis Obispo San Luis Obispo County: Los Osos: Martingale at Buckskin. 30 Comment
  UCR118950  Cyperus esculentus George K. Helmkamp, E. A. Helmkamp 2000-9-1 5959 San Luis Obispo Los Osos, Martingale at Buckskin 30 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
  SBBG119100  Cyperus involucratus M. Wetherwax, E. Painter 2000-11-14 SLO 175 San Luis Obispo Chorro Crk; Camp San Luis Obispo 100 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
  OBI78844  Dactylis glomerata David J. Keil 2013-9-4 32018 San Luis Obispo Morro Bay State Park. East of Los Osos Middle School sports fields. 12 Comment
  OBI29017  Danthonia californica David J. Keil 1982-6-4 16180 San Luis Obispo El Chorro Regional Park NE of San Luis Obispo. Ca. 1 mi E of County Educational Facility, just E of old washed out bridge Comment
  RSA597229  Danthonia californica George K. Helmkamp 1996-5-24 1049 San Luis Obispo 0.6 mi east of South Bay Blvd along trail to quarry. 95 Comment
  SBBG16240  Danthonia californica M. A. Piehl 1963-4-21 63102 San Luis Obispo Los Osos Valley Rd, ca. 1 mi E of Los Osos 10 Comment
  SEINET269250 Image available Danthonia californica G. Helmkamp 1996-5-24 1049 San Luis Obispo Along trail to quarry 0.6 miles east of South Bay Boulevard 95 Comment
  UCR91811  Danthonia californica George K. Helmkamp 1996-5-24 1049 San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 Comment
  UCR131090  Danthonia californica var. californica George K. Helmkamp, E. A. Helmkamp 1999-5-22 4914 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 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-BC293914  Deinandra fasciculata R. F. Hoover 1963-7-30 8586 San Luis Obispo Los Osos Valley (northeast side) Comment
  CAS-BOT-BC293921  Deinandra fasciculata R. F. Hoover 1963-7-30 8586 San Luis Obispo Los Osos Valley (northeast side) Comment
  CAS-BOT-BC293930  Deinandra fasciculata L. R. Abrams 1920-7-25 7641 San Luis Obispo Between Morro Beach and San Luis Obispo Comment
  OBI16267  Deinandra fasciculata Robert F. Hoover 1963-7-30 8586 San Luis Obispo Los Osos Valley (NE side) Comment
  SBBG44857  Deinandra fasciculata L. W. Edge 1972-5-10 181 San Luis Obispo Turri Rd S of Morro Bay 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
Read comments
Jan 8 2013
  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
  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
  OBI71663  Deinandra increscens subsp. increscens David J. Keil 1988-7-2 20846 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  UC1285385  Deinandra increscens subsp. increscens R. F. Hoover 1947-8-10 7366 San Luis Obispo Osos Valley Comment
  OBI75017  Delairea odorata Michael Walgren 2011-2-17 201 San Luis Obispo Morro Bay State Park in Los Osos E of South Bay Blvd. and N of El Morro Ave. 20 Comment
  SBBG117764  Delairea odorata E. Painter, M. Wetherwax 1999-11-15 SLO 19 San Luis Obispo Cantonment area, along Chorro Crk, N of Colusa Ave, near power pole 1425; Camp San Luis Obispo 100 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
  JEPS114153  Delphinium parryi subsp. eastwoodiae E. L. Painter, M. Wetherwax, K. Downing 2008-5-8 SLO- 260 San Luis Obispo Camp San Luis Obispo. First ridge west of Cerro Romualdo. Comment
  OBI26583  Delphinium parryi subsp. eastwoodiae David J. Keil 1981-5-31 s.n. San Luis Obispo County of Educational Facility at Rancho el Chorro Comment
  SBBG119664  Delphinium parryi subsp. eastwoodiae E. Painter, M. Wetherwax, K. Downing 2002-5-8 SLO 260 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 77 Comment
  UC1126031  Delphinium parryi subsp. eastwoodiae B. Bolt 1936-3-13 621 San Luis Obispo 1 mi w Cerro Romauldo; San Luis Obispo Quadrangle Comment
  UC569978  Delphinium parryi subsp. eastwoodiae C. M. Belshaw 1936-3-25 1729 San Luis Obispo 3.6 mi ne Valencia Peak; Cayucos Quadrangle 396 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
  UCR134413  Dendromecon rigida George K. Helmkamp, E. A. Helmkamp 2001-4-29 6573 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  SBBG118220  Deschampsia danthonioides M. Wetherwax, E. Painter, D. Keil 2000-4-18 SLO 92 San Luis Obispo Cerro Romualdo; Camp San Luis Obispo 160 Comment
  OBI64830  Deschampsia elongata David J. Keil, with Michael Curto 2001-5-15 29458 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI72759  Descurainia pinnata Michael Walgren 2010-4-15 127 San Luis Obispo Morro Bay state park, at the E terminus of Pismo Ave in Los Osos. This new acquisition parcel is located S of Pismo Ave and abuts several homes. the parcel is known as Powell III Comment
  UC1126773  Descurainia pinnata B. Bolt 1936-3-4 597 San Luis Obispo 0.25 mi s mouth of Osos Creek; Cayucos Quad. 15 Comment
  UC821355  Desmazeria rigida Alice Eastwood, John Thomas Howell 1936-5-6 2221 San Luis Obispo Chorro Creek Comment
  UC454405  Dichelostemma capitatum I. J. Condit 1910-5-14 San Luis Obispo Osos Valley Comment
  SBBG119478  Dichelostemma capitatum subsp. capitatum J. Olson 2002-4-3 San Luis Obispo Cerro Romualdo, off rd just past jct with new, manmade, illicit, unmapped trail; Camp San Luis Obispo Comment
  SBBG45267  Dichelostemma capitatum subsp. capitatum L. W. Edge 1977-5-11 184 San Luis Obispo Turri Rd, S of Morro Bay Comment
  SBBG95348  Dichelostemma capitatum subsp. capitatum C. Zeeb 1984-1-21 7 San Luis Obispo 0.6 mi E of Pennington Crk Rd 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
  SBBG95350  Diplacus aurantiacus C. Zeeb 1984-1-28 12 San Luis Obispo 0.6 mi E of Pennington Crk Rd Comment
  SBBG44905  Dipsacus fullonum L. W. Edge 1972-5-10 176 San Luis Obispo Turri Rd, S of Morro Bay Comment
  OBI37088  Dipsacus sativus Eric Wise 1981-6-15 625 San Luis Obispo Turri Rd, 1 mi E of So Bay Blvd Comment
  SBBG118072  Dipsacus sativus M. Wetherwax, E. Painter, J. Sainz 2002-6-17 SLO 281 San Luis Obispo near bridge of Poison Oak Crk (tributary of Chorro Crk), below first ridge W of Cerro Romualdo; Camp San Luis Obispo 80 Comment
  OBI43370  Distichlis spicata Eric Wise 1981-6-15 592 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI43376  Distichlis spicata Eric Wise 1982-6-24 1523 a San Luis Obispo Warden Lake. Willow bog of old lake [N of Los Osos Valley rd] and new reservoir next to it Comment
  SBBG44863  Distichlis spicata L. W. Edge 1972-5-10 185 San Luis Obispo Turri Rd, S of Morro Bay Comment
  OBI10746  Dodecatheon clevelandii Robert F. Hoover 1968-3-9 10898 San Luis Obispo Pennington crk 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
  UC1392811  Dodecatheon clevelandii subsp. patulum R. F. Hoover 1968-3-9 10898 San Luis Obispo Pennington Creek Comment
  UC570338  Dodecatheon clevelandii subsp. patulum C. M. Belshaw 1936-3-23 1707 San Luis Obispo 1.4 mi ssw Hollister Peak; Cayucos quad 106 Comment
  CAS-BOT-BC251064  Drymocallis glandulosa var. glandulosa M. Wetherwax; E. L. Painter 2000-4-20 SLO- 108 San Luis Obispo Camp San Luis Obispo. Cerro Romauldo, drainage below water tank 110 Comment
  OBI67839  Drymocallis glandulosa var. glandulosa Unknown 2000-4-20 SLO- 108 San Luis Obispo Camp San Luis Obispo. Cerro Romualdo, drainage below water tank 110 Comment
  UC454987  Drymocallis glandulosa var. wrangelliana J. E. Roadhouse 1906-4-6 San Luis Obispo Prefumo Canyon Comment
  SBBG104852  Dryopteris arguta M. D. Proctor, E. A. Young 1993-4-17 ROB 473 San Luis Obispo N side of Cerro Romualdo; Camp San Luis Obispo Comment
  CAS-BOT-BC310344  Dudleya abramsii subsp. bettinae Reid Moran 1977-6-30 24292 San Luis Obispo Southwest of Cerro Romauldo 150 Comment
  JEPS116198  Dudleya abramsii subsp. bettinae E. L. Painter, M. Wetherwax 2000-6-13 SLO- 141 San Luis Obispo Camp San Luis Obispo. First ridge west of Cerro Romualdo. Cattle damage in area. Comment
  OBI64844  Dudleya abramsii subsp. bettinae David J. Keil 2001-5-3 29408 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus Comment
  SBBG118347  Dudleya abramsii subsp. bettinae E. Painter, M. Wetherwax 2000-6-13 SLO 141 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 100 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
  SD129941  Dudleya abramsii subsp. murina Reid Moran 1977-6-30 24295 San Luis Obispo Serpentine, SW of Cerro Romauldo 149 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
  SD130027  Dudleya bettinae Reid Moran 1977-6-30 24292 San Luis Obispo Serpentine, SW of Cerro Romauldo 149 Comment
  CDA38396  Dudleya blochmaniae G. F. Hrusa 1995-6-21 12404 San Luis Obispo Hollister Peak; S base of Hollister Peak, approx. 1/4 m to NW of old homestead. Comment
  RSA18239  Dudleya blochmaniae C. B. Wolf 1929-4-15 3611 San Luis Obispo Between San Luis Obispo and Morro Bay; 8 miles west of San Luis Obispo Comment
  UC54824  Dudleya blochmaniae Mrs. R. W. Summers 1882-5-6 291 San Luis Obispo Los Osos Valley Comment
  OBI26579  Dudleya blochmaniae subsp. blochmaniae David J. Keil 1981-5-31 s.n. San Luis Obispo County Education Facility at Rancho el Chorro Comment
  OBI54348  Dudleya blochmaniae subsp. blochmaniae Rhonda Riggins 1991-5-14 s.n. San Luis Obispo El Chorro Regional Park Comment
  OBI64845  Dudleya blochmaniae subsp. blochmaniae David J. Keil 2001-5-3 29406 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Ca. 35.32767 deg. N x 120.75103 deg. W Comment
  UCR106053  Dudleya caespitosa George K. Helmkamp 1997-6-20 2055 San Luis Obispo Central Coast, Los Osos, c. 0.2 mi. NE of Buckskin & Martingale 27 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
  OBI64820  Dudleya lanceolata David J. Keil, with Michael Curto 2001-5-15 29457 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  SBBG118537  Dudleya lanceolata M. Wetherwax, L. Wetherwax, M. Walter 2000-7-2 SLO 157 San Luis Obispo first ridge W of Cerro Romualdo, near unnamed ephemeral stream; Camp San Luis Obispo 100 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
  SBBG118070  Dysphania ambrosioides M. Wetherwax, E. Painter 2000-3-21 SLO 48 San Luis Obispo saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  OBI59630  Eleocharis macrostachya David J. Keil 1981-5-31 s.n. San Luis Obispo County Educational Facility at Rancho El Chorro Comment
  UCR42644  Eleocharis macrostachya David J. Keil 1977-8-7 12488 San Luis Obispo Central Coast, Los Osos Valley Road c. 1 mi west of Turri Road 18 Comment
  UC1928051  Eleocharis palustris David Keil 1981-5-31 San Luis Obispo County Educational Facility at Rancho El Chorro. Comment
Read comments
Mar 13 2012
  OBI64849  Eleocharis parishii David J. Keil 2001-5-3 29400 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus 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
  OBI29018  Elymus glaucus David J. Keil 1982-6-4 16179 San Luis Obispo El Chorro Regional Park NE of San Luis Obispo. Ca. 1 mi E of County Educational Facility, just E of old washed out bridge 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
  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
  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
  OBI79031  Elymus triticoides David J. Keil 2013-8-22 31906 San Luis Obispo Morro Bay State Park. Between 1743 and 1800 Turri Road (from 35.330341 deg. , -120.812458 deg. to 35.327170 deg. , -120.808337 deg. ) 9 Comment
  SEINET238470 Image available Elymus triticoides David Keil 1986-5-31 19652 San Luis Obispo Along Turri Road ca. 1/4 mile E of South Bay Blvd. N of road. 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
  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
  SBBG104459  Epilobium canum subsp. canum F. L. Johnson, N. A. McCarty 1993-10-14 ROB 715 San Luis Obispo Chorro Crk in cantonment area; Camp San Luis Obispo Comment
  UC454610  Epilobium canum subsp. canum I. J. Condit 1908-6-20 San Luis Obispo Cuesta Comment
  OBI12051  Epilobium ciliatum Robert F. Hoover 1964-6-11 9028 San Luis Obispo E end of Los Osos Valley Comment
  UCR24791  Epilobium ciliatum George K. Helmkamp 1981-1-20 s.n. San Luis Obispo Los Osos, S edge of Ito's Lake. 12 Comment
  OBI37137  Epilobium ciliatum subsp. watsonii Eric Wise 1981-6-15 590 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI64859  Epilobium minutum David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29419 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI78794  Equisetum X ferrissii David J. Keil 2013-9-4 32016 San Luis Obispo Morro Bay State Park. East of Los Osos Middle School sports fields 13 Comment
  UC2027519  Equisetum X ferrissii David J. Keil 2013-9-4 32016 San Luis Obispo Morro Bay State Park. East of Los Osos Middle School sports fields. Comment
  OBI67824  Equisetum laevigatum E. L. Painter, M. Wetherwax and D. Keil 2000-4-18 SLO- 95 San Luis Obispo Camp San Luis Obispo. East of pipe from water tower on northwest slope of Cerro Romualdo 120 Comment
  SBBG117526  Equisetum laevigatum E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 95 San Luis Obispo E of pipe from water tower on NW slope of Cerro Romualdo; Camp San Luis Obispo 120 Comment
  SBBG104517  Equisetum telmateia subsp. braunii F. L. Johnson, E. A. Young 1993-6-23 ROB 696 San Luis Obispo Chorro Crk at bicycle repair facility; Camp San Luis Obispo Comment
  OBI78818  Eriastrum densifolium David J. Keil 2013-9-6 32033 San Luis Obispo Morro Bay State Park. Northeast of Los Osos Middle School 19 Comment
  UCR98914  Eriastrum densifolium subsp. densifolium George K. Helmkamp 1997-6-20 2050 San Luis Obispo Central Coast, Los Osos, c. 0.2 mi. NE of Buckskin & Martingale 27 Comment
  UCR100323  Ericameria ericoides George K. Helmkamp 1997-10-30 2510 San Luis Obispo Los Osos; north of the corner of Buckskin & Martingale 46 Comment
  UCR13855  Ericameria ericoides George K. Helmkamp 1973-8-8 s.n. San Luis Obispo Central Coast, Morro Bay, Baywood Park, hillside c. 1 mi from ocean 3 Comment
  OBI54201  Erigeron foliosus var. foliosus David J. Keil, V. L. Holland 1996-6-18 25899 San Luis Obispo El Chorro Regional Park. Site of proposed botanical garden 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
  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
  RSA769828  Eriogonum fasciculatum David J. Keil 1988-7-2 20879 San Luis Obispo Morro Bay State Park, east of South Bay Blvd. Vicinity of old cement plant or on hill to northeast. Comment
  CAS-BOT-BC257911  Eriogonum parvifolium R. F. Hoover 1946-8-26 6355 San Luis Obispo Los Osos Valley Comment
  OBI71649  Eriogonum parvifolium David J. Keil 1988-7-2 20831 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  OBI77734  Eriogonum parvifolium Robert F. Hoover 1946-8-26 6355 San Luis Obispo Los Osos Valley Comment
  SBBG117987  Eriogonum parvifolium E. Painter, M. Wetherwax 2000-8-19 SLO 158 San Luis Obispo Cerro Romualdo; Camp San Luis Obispo 200 Comment
  UC1032233  Eriogonum parvifolium B. Bolt 1936-1-14 543 San Luis Obispo 3/4 mi se mouth of Osos Creek; Cayucos Quadrangle Comment
  UCR27653  Eriogonum parvifolium John C. Roos 1948-8-26 3969 San Luis Obispo 3 miles SE of Morro Bay 14 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
  UC1118331  Eriophyllum confertiflorum var. confertiflorum B. Bolt 1936-3-4 600 San Luis Obispo 0.5 mi s of mouth of Osos Creek; Cayuces Quadrangle 30 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
  UCR134433  Eriophyllum confertiflorum var. confertiflorum George K. Helmkamp, E. A. Helmkamp 2001-4-29 6560 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  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
  SBBG45166  Eriophyllum multicaule L. W. Edge 1972-5-8 San Luis Obispo N of Los Osos Valley Rd, Los Osos Comment
  UC1118227  Eriophyllum multicaule B. Bolt 1936-3-11 610 San Luis Obispo 1.25 mi sse of mouth of Osos Creek; Cayucos Quadrangle 30 Comment
  UCR130714  Eriophyllum multicaule George K. Helmkamp, E. A. Helmkamp 1999-5-22 4889 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR91804  Eriophyllum multicaule George K. Helmkamp 1996-5-27 1087 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  UCR123158  Eriophyllum staechadifolium George K. Helmkamp, E. A. Helmkamp 2002-4-16 7409 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  OBI71683  Eriophyllum staechadifolium var. artemisiifolium David J. Keil 1988-7-2 20869 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  OBI81304  Erodium botrys Megan E. Coletti, Hayley Dougan, Kendall Andres 2015-4-29 1 San Luis Obispo El Chorro Regional Park, off of Dairy Creek Road just past San Luis Obispo Botanical Garden. Comment
  SBBG119177  Erodium botrys M. Wetherwax, E. Painter 2000-3-21 SLO 44 San Luis Obispo saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  UC1130262  Erodium botrys N. K. Carlson 1936-3-25 218 San Luis Obispo 0.1 mi n Goldtree; San Luis Obispo Quad. 182 Comment
  UCR130715  Erodium botrys George K. Helmkamp, E. A. Helmkamp 1999-5-22 4890 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 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
  SBBG119081  Erodium moschatum M. Wetherwax, E. Painter 2000-3-21 SLO 47 San Luis Obispo saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 200 Comment
  CLARK-A1045-1376  Erodium obtusiplicatum George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road at Morro Bay; Morro Bay S 7.5'Q Comment
  SEINET7063205  Erysimum capitatum var. capitatum A. G. Vestal 1963-5-16 s.n. San Luis Obispo Dunes about 0.7 mile east southeast of Los Osos on the Pecho Valley Road. UTM Zone 10, 698257mE, 3909354mN. (WGS84/NAD83). 49 Comment
  OBI72753  Erysimum suffrutescens Michael Walgren 2010-4-15 124 San Luis Obispo Morro Bay state park, at the E terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. The parcel is known as "Powell III" and 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
  CAS-BOT-BC402829  Eschscholzia caespitosa G. K. Helmkamp 1997-6-20 2052 San Luis Obispo Los Osos, ca. 0.2 mi. NE of Buckskin & Martingale. 27 Comment
  UCR104967  Eschscholzia caespitosa George K. Helmkamp 1997-6-20 2052 San Luis Obispo Central Coast, Los Osos, c. 0.2 mi. NE of Buckskin & Martingale 27 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
  OBI78850  Eschscholzia californica David J. Keil 2013-8-29 31994 San Luis Obispo Morro Bay State Park. South Bay Blvd. at northeast abutment of bridge over Los Osos Creek 4 Comment
  UC455318  Eschscholzia californica Miss Edna Venable 1908-3-18 San Luis Obispo Cuesta 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
  OBI12261  Eucalyptus globulus R. A. Hays 1957-10-12 s.n. San Luis Obispo Perfumo Cyn Comment
  SBBG119084  Eucrypta chrysanthemifolia var. chrysanthemifolia J. Olson 2002-4-3 San Luis Obispo W side of Cerro Romualdo, along trail from water tower to top 279 Comment
  UCR118350  Euphorbia maculata George K. Helmkamp, E. A. Helmkamp 2000-9-1 5961 San Luis Obispo Los Osos, Martingale at Buckskin 30 Comment
  SBBG118263  Euphorbia oblongata M. Wetherwax, E. Painter 2000-11-14 SLO 164 San Luis Obispo Chorro Crk, behind Penee Theatre; Camp San Luis Obispo 80 Comment
  UCR122588  Euphorbia peplus George K. Helmkamp 1995-11-23 117 San Luis Obispo Central Coast, Junction of Martingale Avenue and Buckskin Drive in Los Osos 46 Comment
  OBI36858  Euphorbia serpillifolia subsp. serpillifolia Eric Wise 1981-9-1 1071 San Luis Obispo Turri Rd, 1 mi E of So Bay Blvd 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
  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
  UC455788  Eurybia radulina E. P. Unangst 1906-9-1 San Luis Obispo Cuesta Comment
  SBBG11143  Extriplex californica H. and M. Dearing 1938-9-4 2306 San Luis Obispo Morro Bay coast Comment
  SEINET952745  Fabaceae George K. Helmkamp 1996-1 1101 San Luis Obispo Los Osos, NE of the corner of Martingale Ave. & Buckskin Dr. (Morro Bay South 7.4') 61 Comment
  OBI21812  Festuca arundinacea Robert F. Hoover 1964-6-11 9023 San Luis Obispo East end of Los Osos Valley Comment
  UCR187524  Festuca arundinacea George K. Helmkamp 1996-3-15 1005 A San Luis Obispo Central Coast, Los Osos, at the corner of Martingale Ave. and Buckskin Dr. 61 Comment
  UCR92527  Festuca arundinacea George K. Helmkamp 1996-5-24 1034 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  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
  UCR122596  Festuca dertonensis George K. Helmkamp 1995-11-23 109 San Luis Obispo Central Coast, Junction of Martingale Avenue and Buckskin Drive in Los Osos 46 Comment
  UCR91686  Festuca dertonensis George K. Helmkamp 1996-5-24 1024 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  SBBG104499  Festuca microstachys M. D. Proctor, E. A. Young 1993-3-23 ROB 319 San Luis Obispo E edge of Cantonment Area; Camp San Luis Obispo Comment
  OBI2556  Festuca myuros Larry E. Brown 1970-3-25 1755 San Luis Obispo Along Turri rd near Morro Bay and Baywood Park 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
  OBI43347  Festuca perennis Eric Wise 1982-6-24 1526 San Luis Obispo Warden Lake [N of Los Osos Valley Rd] 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
  UCR131093  Filago gallica George K. Helmkamp, E. A. Helmkamp 1999-5-22 4910 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  OBI71691  Foeniculum vulgare David J. Keil 1992-7-3 20880 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SBBG104765  Foeniculum vulgare F. L. Johnson 1993-6-23 ROB 693 San Luis Obispo Chorro Crk at bicycle repair facility; Camp San Luis Obispo Comment
  UC1953176  Frangula purshiana David Keil 1998-6-12 27798 San Luis Obispo Park Ridge area E of border of Morro Bay State Park, W of Hollister Peak. Comment
  OBI37086  Frankenia salina Eric Wise 1981-6-15 581 San Luis Obispo Turri Rd 1 mi E of So. Bay blvd Comment
  SBBG30625  Frankenia salina A. I. Richardson 1968-8-8 San Luis Obispo Morro Bay Comment
  UC1122126  Frankenia salina B. Bolt 1936-3-17 634 San Luis Obispo 1 mi n Osos Creek; Cayucos Quad. 0 Comment
  UCR13876  Frankenia salina George K. Helmkamp 1973-8-8 s.n. San Luis Obispo Central Coast, Morro Bay, Baywood Park, hillside c. 1 mi from ocean 3 Comment
  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
  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
  SBBG15919  Fritillaria biflora M. A. Piehl 1963-4-21 6395 San Luis Obispo Los Osos Valley Rd, ca. 1 mi E of Los Osos Comment
  UC1134590  Fritillaria biflora N. K. Carlson 1936-3-22 210 San Luis Obispo .8 mi s of Mine Hill 114 Comment
  UC1296317  Fritillaria biflora R. F. Hoover 1964-5-12 8801 San Luis Obispo Los Osos Valley Comment
  OBI79753  Fritillaria ojaiensis David J. Keil 2013-3-25 31566 San Luis Obispo San Luis Range. Prefumo Canyon 100 Comment
  UC455886  Galium angustifolium subsp. angustifolium E. P. Unangst 1906-9-1 San Luis Obispo Cuesta Comment
  UCR122591  Galium aparine George K. Helmkamp 1995-11-23 114 San Luis Obispo Central Coast, Junction of Martingale Avenue and Buckskin Drive in Los Osos 46 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
  SBBG118265  Galium californicum subsp. flaccidum E. Painter, M. Wetherwax 2000-6-13 SLO 142 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 110 Comment
  SBBG120120  Galium californicum subsp. flaccidum M. Wetherwax, E. Painter 2002-5-22 SLO 276 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 144 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
  OBI78846  Galium porrigens David J. Keil 2013-8-29 31997 San Luis Obispo Morro Bay State Park. Northeast of east end of Santa Ysabel Ave on slope south of Los Osos Creek 15 Comment
  SBBG117523  Galium porrigens E. Painter, M. Wetherwax 2002-3-26 SLO 219 San Luis Obispo NW side of Cerro Romualdo, NNE-facing steep slope just below new, man-made trail from water tower to top of Cerro Romualdo; Camp San Luis Obispo 170 Comment
  SBBG118266  Galium porrigens var. porrigens E. Painter, M. Wetherwax 2000-6-13 SLO 143 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 140 Comment
  UCR122594  Galium porrigens var. porrigens George K. Helmkamp 1995-11-23 111 San Luis Obispo Central Coast, Junction of Martingale Avenue and Buckskin Drive in Los Osos 46 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
  OBI71648  Gamochaeta ustulata David J. Keil 1988-7-2 20830 San Luis Obispo Morro Bay State Park, east of South Bay Blvd 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
  UCR123156  Gamochaeta ustulata George K. Helmkamp, E. A. Helmkamp 2002-4-16 7411 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 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
  OBI29011  Gastridium phleoides David J. Keil 1982-6-4 16186 San Luis Obispo El Chorro Regional Park NE of San Luis Obispo. Ca. 1 mi E of County Educational Facility, just E of old washed out bridge Comment
  OBI71654  Gastridium phleoides David J. Keil 1988-7-2 20837 San Luis Obispo Morro Bay State Park, east of South Bay Blvd 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
  SBBG119085  Geranium carolinianum J. Olson 2002-4-3 San Luis Obispo W of Cerro Romualdo behind water tank; Camp San Luis Obispo 130 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
  OBI37258  Geranium dissectum Eric Wise 1982-5-1 1446 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  SBBG119080  Geranium dissectum E. Painter, M. Wetherwax 2002-4-23 SLO 238 San Luis Obispo abndoned rd up from water tank, Cerro Romualdo; Camp San Luis Obispo 120 Comment
  SBBG16306  Geranium dissectum M. A. Piehl 1963-4-21 6396 San Luis Obispo Los Osos Valley Rd, ca. 1 mi E of Los Osos Comment
  SD224985  Geranium dissectum G. K. Helmkamp 1996-5-24 1027 San Luis Obispo State Park system north of Turri Road and 1.5 mi. east of South Bay Blvd. 93 Comment
  UCR123154  Geranium dissectum George K. Helmkamp, E. A. Helmkamp 2002-4-16 7413 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 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
  UCR91695  Geranium dissectum George K. Helmkamp 1996-5-27 1092 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  UCR91700  Geranium dissectum George K. Helmkamp 1996-5-24 1027 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  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
  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
  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
  UCR123163  Gnaphalium californicum George K. Helmkamp, E. A. Helmkamp 2002-4-16 7417 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  UCR134408  Gnaphalium californicum George K. Helmkamp, E. A. Helmkamp 2001-4-29 6568 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  UCR91820  Gnaphalium californicum George K. Helmkamp 1996-5-24 1030 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  UCR13825  Gnaphalium canescens subsp. beneolens George K. Helmkamp 1973-8-8 s.n. San Luis Obispo Central Coast, Morro Bay, Baywood Park, hillside c. 1 mi from ocean 3 Comment
  UCR122593  Gnaphalium luteoalbum George K. Helmkamp 1995-11-23 112 San Luis Obispo Central Coast, Junction of Martingale Avenue and Buckskin Drive in Los Osos 46 Comment
  CAS-BOT-BC305085  Grindelia hirsutula M. Wetherwax; E. L. Painter 2000-6-13 SLO- 147 San Luis Obispo Camp San Luis Obispo. Empty lot along Madera Road, near junction with Amador Road 95 Comment
  JEPS97062  Grindelia hirsutula Clare B. Hardham, C. Butterworth 1960-6-2 5983 San Luis Obispo Cuesta Comment
  OBI71684  Grindelia hirsutula David J. Keil 1988-7-2 20870 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SBBG118178  Grindelia hirsutula M. Wetherwax, E. Painter 2000-6-13 SLO 147 San Luis Obispo Madera Rd, near jct with Amador Rd; Camp San Luis Obispo 95 Comment
  UCR91703  Grindelia hirsutula George K. Helmkamp 1996-5-24 1019 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  UC455733  Guillenia lasiophylla E. P. Unangst 1908-4-12 San Luis Obispo Perfumo Canyon Comment
  OBI71686  Hainardia cylindrica David J. Keil 1988-7-2 20872 San Luis Obispo Morro Bay State Park, east of South Bay Blvd 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
  UC455818  Hazardia squarrosa var. squarrosa E. P. Unangst 1906-9-1 San Luis Obispo Cuesta Comment
  CLARK-A1045-1369  Hedypnois cretica George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road, 3 miles southeast of Morro Bay; Morro Bay S 7.5'Q Comment
  OBI38455  Helenium puberulum Eric Wise 1981-6-15 611 San Luis Obispo Turri Rd, 1 mi E of So Bay Blvd 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
  OBI38438  Helminthotheca echioides Eric Wise 1981-6-15 584 San Luis Obispo Turri Rd, 1 mi E of So Bay Blvd Comment
  OBI38443  Helminthotheca echioides Eric Wise 1982-5-1 1439 San Luis Obispo Turri Rd, 1 mi E of So Bay Blvd Comment
  CAS-BOT-BC314902  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1920-7-25 7640 San Luis Obispo Between Morro and San Luis Obispo Comment
  OBI71667  Hemizonia congesta subsp. luzulifolia David J. Keil 1988-7-2 20850 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SBBG18271  Hemizonia congesta subsp. luzulifolia M. A. Piehl 1963-4-21 63672 San Luis Obispo Los Osos Valley Rd, ca. 1 mi E of Los Osos Comment
  SBBG44861  Hemizonia congesta subsp. luzulifolia L. W. Edge 1972-5-10 179 San Luis Obispo Turri Rd S of Morro Bay Comment
  SBBG48553  Hemizonia congesta subsp. luzulifolia L. W. Edge 1974-6-20 450 San Luis Obispo upper Prefumo Cyn Comment
  SBBG61008  Hemizonia congesta subsp. luzulifolia R. Hoffmann 1931-7-17 San Luis Obispo Morro Bay 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
  UCR13892  Hemizonia increscens subsp. increscens George K. Helmkamp 1973-8-8 s.n. San Luis Obispo Central Coast, Morro Bay, Baywood Park, hillside c. 1 mi from ocean 3 Comment
  SBBG16059  Hesperevax sparsiflora var. sparsiflora M. A. Piehl 1963-4-21 6399 San Luis Obispo Los Osos Valley Rd, ca. 1 mi E of Los Osos 10 Comment
  OBI75096  Hesperocnide tenella Michael Walgren 2011-3-3 237 San Luis Obispo Los Osos Oaks state Reserve, Los Osos. Comment
  OBI7217  Hesperocyparis macrocarpa R. A. Hays 1957-10-12 s.n. San Luis Obispo Perfumo Cyn, San Luis Obispo Comment
  OBI78708  Hesperocyparis macrocarpa David J. Keil 2013-8-28 31974 San Luis Obispo Morro Bay State Park. Vicinity of road junction of State Park Road with South Bay Blvd. and bridge over Chorro and Morro Creeks 8 Comment
  UCR98916  Heteromeles arbutifolia George K. Helmkamp 1997-6-20 2047 San Luis Obispo Central Coast, Los Osos, c. 0.2 mi. NE of Buckskin & Martingale 27 Comment
  CDA6979  Heterotheca grandiflora David J. Keil 1996-12-5 s.n. San Luis Obispo Prefumo Canyon. 0 Comment
  OBI71689  Heterotheca grandiflora David J. Keil 1988-7-2 20877 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SBBG112725  Heterotheca grandiflora D. Keil 1996-12-5 San Luis Obispo Prefumo Cyn Comment
  UC455910  Hieracium argutum I. J. Condit 1908-6-20 San Luis Obispo Cuesta Comment
  UC454701  Hoita macrostachya I. J. Condit 1908-6-20 San Luis Obispo near school house; Cuesta Comment
  OBI64825  Hoita orbicularis David J. Keil, with Michael Curto 2001-5-15 29464 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  UC454704  Hoita orbicularis unknown 422 San Luis Obispo Prefumo Canyon; near creek Comment
  UCR91705  Holcus lanatus George K. Helmkamp 1996-5-27 1088 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 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
  UCR91689  Hordeum brachyantherum George K. Helmkamp 1996-5-24 1037 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  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
  SBBG118191  Hordeum brachyantherum subsp. californicum E. Painter, M. Wetherwax, K. Downing 2002-5-8 SLO 357 San Luis Obispo base of first ridge W of Cerro Romualdo 60 Comment
  OBI29021  Hordeum marinum David J. Keil 1982-6-4 16176 San Luis Obispo El Chorro Regional Park NE of San Luis Obispo. Ca. 1 mi E of County Educational Facility, just E of old washed out bridge Comment
  OBI78749  Hordeum marinum subsp. gussoneanum David J. Keil 2013-9-5 32024 San Luis Obispo Morro Bay State Park. Hillside at west base of Portola Hill above South Bay Blvd south of Quarry Trail trailhead along Live Oak Trail 24 Comment
  SBBG118212  Hordeum murinum M. Wetherwax, E. Painter 2000-3-21 SLO 42 San Luis Obispo saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  OBI64823  Hordeum vulgare David J. Keil, with Michael Curto 2001-5-15 29466 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI78821  Horkelia californica David J. Keil 2013-9-3 32003 San Luis Obispo Morro Bay State Park. Park Ridge. Canet Trail at crossing of small, unnamed drainage 109 Comment
  UCR13790  Horkelia californica George K. Helmkamp 1973-8-8 s.n. San Luis Obispo Central Coast, Morro Bay, Baywood Park, hillside c. 1 mi from ocean 3 Comment
  OBI71668  Horkelia cuneata David J. Keil 1988-7-2 20851 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SEINET269230  Horkelia cuneata G. Helmkamp 1996-5-24 1050 San Luis Obispo Along trail to quaryy . 6 mi. east of South Bay Blvd. 95 Comment
  UCR104811  Horkelia cuneata George K. Helmkamp 1997-6-20 2053 San Luis Obispo Central Coast, Los Osos, c. 0.2 mi. NE of Buckskin & Martingale 27 Comment
  UCR123152  Horkelia cuneata George K. Helmkamp, E. A. Helmkamp 2002-4-16 7403 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  UCR91801  Horkelia cuneata George K. Helmkamp 1996-5-24 1045 San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 Comment
  JEPS114104  Horkelia cuneata var. cuneata E. L. Painter, M. Wetherwax, J. Olson 2002-4-23 SLO- 241 San Luis Obispo Camp San Luis Obispo. NW side of Cerro Romualdo. Comment
  SBBG118635  Horkelia cuneata var. cuneata M. Wetherwax, E. Painter 2003-5-1 SLO 313 San Luis Obispo NW side of Cerro Romualdo; Camp San Luis Obispo 200 Comment
  SBBG119759  Horkelia cuneata var. cuneata E. Painter, M. Wetherwax with J. Olson 2002-4-23 SLO 241 San Luis Obispo NW side of Cerro Romualdo; Camp San Luis Obispo 200 Comment
  SBBG51100  Horkelia cuneata var. cuneata R. S. Woglum 1940-4-20 2662 San Luis Obispo Morro Bay area Comment
  OBI37372  Hydrocotyle verticillata Eric Wise 1981-6-15 608 San Luis Obispo Turri Rd, 1 mi E of S Bay Blvd Comment
  OBI71651  Hypochaeris glabra David J. Keil 1988-7-2 20833 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SBBG104481  Hypochaeris radicata M. D. Proctor, E. A. Young 1993-4-16 ROB 447 San Luis Obispo Cantonment Area; Camp Roberts Comment
  UCR91817  Hypochaeris radicata George K. Helmkamp 1996-5-27 1100 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  SBBG62844  Isocoma menziesii var. vernonioides R. C. and J. R. Robbins 1932-8-29 San Luis Obispo Morro Bay Comment
  UC1953801  Isocoma menziesii var. vernonioides David Keil 1988-7-2 20874 San Luis Obispo Morro Bay State Park, east of South Bay Blvd. Vicinity of old cement plant or on hill to northeast. Comment
  OBI71688  Isocoma veneta var. vernonioides David J. Keil 1988-7-2 20874 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  CAS-BOT-BC112550  Isolepis cernua R. F. Hoover 1964-6-11 9025 San Luis Obispo East end of Los Osos Valley Comment
  OBI22585  Isolepis cernua Robert F. Hoover 1964-6-11 9025 San Luis Obispo E end of Los Osos Valley Comment
  OBI78795  Isolepis cernua David J. Keil 2013-9-3 32011 San Luis Obispo Morro Bay State Park. Park Ridge. 25 Comment
  OBI79420  Isolepis cernua David J. Keil 2013-6-6 31787 San Luis Obispo San Luis Range. Prefumo Canyon 130 Comment
  OBI38447  Jaumea carnosa Eric Wise 1981-6-15 580 San Luis Obispo Turri Rd, 1 mi E of So Bay Blvd Comment
  SBBG30626  Jaumea carnosa A. I. Richardson 1968-8-7 San Luis Obispo Morro Bay Comment
  SD232559  Juncus ambiguus George Helmkamp 1996-5-27 1091 San Luis Obispo Los Osos. NE of the corner of Martingale and Buckskin. 60 Comment
  UCR131094  Juncus balticus George K. Helmkamp, E. A. Helmkamp 1999-5-22 4909 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  CLARK-A1045-1380  Juncus bufonius George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road west of Morro Bay; Morro Bay S 7.5'Q Comment
  RSA627390  Juncus bufonius var. bufonius George K. Helmkamp, E. A. Helmkamp 1999-5-22 4921 San Luis Obispo Los Osos, N of the corner of Buckskin & Martingale streets. 61 Comment
  UCR131355  Juncus bufonius var. bufonius George K. Helmkamp, E. A. Helmkamp 1999-5-22 4921 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR91802  Juncus bufonius var. bufonius George K. Helmkamp 1996-5-27 1091 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  UCR131343  Juncus falcatus var. falcatus George K. Helmkamp, E. A. Helmkamp 1999-5-22 4895 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR91803  Juncus falcatus var. falcatus George K. Helmkamp 1996-5-27 1096 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  UC1146318  Juncus phaeocephalus R. F. Hoover 1964-6-11 9027 San Luis Obispo e end Los Osos Valley Comment
  SD233646  Juncus phaeocephalus var. phaeocephalus G. Helmkamp 1996-5-24 1036 San Luis Obispo State Park System north of Turri Road and 1.5 mi east of South Bay Blvd. 93 Comment
  UCR91690  Juncus phaeocephalus var. phaeocephalus George K. Helmkamp 1996-5-24 1036 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  OBI82582  Keckiella cordifolia David J. Keil 2015-6-20 33260 San Luis Obispo Prefumo Canyon, between 2nd and 3rd bridge 120 Comment
  UC454781  Keckiella cordifolia I. J. Condit 1908-6-20 San Luis Obispo Cuesta Comment
  UC454782  Keckiella cordifolia E. P. Unangst 1906-9-1 San Luis Obispo Cuesta 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
  UCR131354  Kniphofia uvaria George K. Helmkamp, E. A. Helmkamp 1999-5-22 4920 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 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
  OBI78848  Koeleria macrantha David J. Keil 2013-9-3 32008 San Luis Obispo Morro Bay State Park. Park Ridge. 36 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
  OBI79034  Lactuca saligna David J. Keil 2013-8-22 31908 San Luis Obispo Morro Bay State Park. Between 1743 and 1800 Turri Road (from 35.330341 deg. , -120.812458 deg. to 35.327170 deg. , -120.808337 deg. ) 9 Comment
  SBBG117747  Lagophylla ramosissima subsp. ramosissima E. Painter, M. Wetherwax, J. Olson 2002-4-23 SLO 234 San Luis Obispo W base of Cerro Romualdo, near gate for rd to water tower; Camp San Luis Obispo Comment
  SBBG104467  Lamarckia aurea F. L. Johnson Proctor 1993-2-20 ROB 136 San Luis Obispo N edge of cantonment area; Camp San Luis Obispo Comment
  SBBG117879  Lasthenia gracilis M. Wetherwax, E. Painter 2002-2-28 SLO 217 a San Luis Obispo W side of cyn, first ridge W of Cerro Romualdo; Camp San Luis Obispo Comment
  SBBG118160  Lasthenia gracilis M. Wetherwax, E. Painter 2003-3-6 SLO 305 San Luis Obispo first ridge W of Cerro Romualdo, near drainage closest to E boundary fence; Camp San Luis Obispo 163 Comment
  SBBG118193  Lasthenia gracilis E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 58 San Luis Obispo W side of Cerro Romualdo; Camp San Luis Obispo 160 Comment
  UC1118942  Lasthenia gracilis B. Bolt 1936-3-13 620 San Luis Obispo Cerro Romauldo San Luis Obispo Quadrangle 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
  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
  UC455490  Layia hieracioides I. J. Condit 1908-4-4 San Luis Obispo Osos Valley Comment
  OBI47446  Layia jonesii Malcolm G. McLeod 1981-5-16 1379 San Luis Obispo Along O'Connor way W of San Luis Obispo Comment
  OBI64813  Layia jonesii David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29416 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  SBBG117836  Layia jonesii E. Painter, M. Wetherwax 2003-4-28 SLO 321 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 115 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
  OBI38519  Lemna minor Eric Wise 1981-6-15 613 San Luis Obispo turri rd, 1 mi E of So. Bay blvd Comment
  OBI79145  Lemna minuta David J. Keil 2013-8-22 31969 San Luis Obispo Turri Road, just west of junction with unpaved private road (1800 Turri Road) 8 Comment
  RSA0029633  Lemna minuta David J. Keil 2013-8-22 31969 San Luis Obispo Turri Road, just west of junction with unpaved private road (1800 Turri Road). Pond in channel of unnamed tributary of Los Osos Creek. 8 Comment
  UC1965432  Lemna minuta David J. Keil 2013-8-22 31969 San Luis Obispo Turri Road, just west of junction with unpaved private road (1800 Turri Road). Pond in channel of unnamed tributary of Los Osos Creek. Comment
  OBI79146  Lemna turionifera David J. Keil 2013-8-22 31970 San Luis Obispo Turri Road, just west of junction with unpaved private road (1800 Turri Road) 8 Comment
  RSA0028217  Lemna turionifera David J. Keil 2013-8-22 31970 San Luis Obispo Turri Road, just west of junction with unpaved private road (1800 Turri Road). Pond in channel of unnamed tributary of Los Osos Creek. 8 Comment
  RSA617149  Leontodon saxatilis George K. Helmkamp 1996-5-27 1100 San Luis Obispo Los Osos, NE of corner of Martingale and Buckskin. 61 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
  UC456129  Lepechinia calycina E. P. Unangst 1906-5-30 San Luis Obispo Perfumo Canyon Comment
  OBI36935  Lepidium draba Eric Wise 1982-5-1 1443 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI36936  Lepidium draba Eric Wise 1981-6-15 589 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  UCR123164  Lepidium draba George K. Helmkamp, E. A. Helmkamp 2002-4-16 7414 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  UCR91847  Lepidium draba George K. Helmkamp 1996-5-24 1021 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  UC1126682  Lepidium nitidum C. M. Belshaw 1936-3-23 1703 San Luis Obispo 1.9 mi sw Hollister Pk.; Cayucos Quad. 18 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
  OBI64848  Lepidium pinnatifidum David J. Keil 2001-5-3 29401 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus 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
  SBBG117455  Leptosiphon parviflorus E. Painter, M. Wetherwax 2002-4-23 SLO 240 San Luis Obispo NW side of Cerro Romualdo; Camp San Luis Obispo 200 Comment
  UCR13838  Lessingia filaginifolia George K. Helmkamp 1973-8-8 s.n. San Luis Obispo Central Coast, Morro Bay, Baywood Park, hillside c. 1 mi from ocean 3 Comment
  CAS-BOT-BC130788  Lilium pardalinum Alice Eastwood; John Thomas Howell 1938-6-14 5918 San Luis Obispo Prefumo Canyon Comment
  CAS-BOT-BC251065  Lilium pardalinum M. Wetherwax; L. Wetherwax; M. Walter 2000-7-2 SLO- 155 San Luis Obispo Camp San Luis Obispo. First ridge west of Cerro Romauldo, along creek leading into Eucalyptus stand 100 Comment
  SBBG118180  Lilium pardalinum subsp. pardalinum M. Wetherwax, M. Walters, J. Wetherwax 2000-7-2 SLO 155 San Luis Obispo first ridge W of Cerro Romualdo, leading to eucalyptus stand; Camp San Luis Obispo 100 Comment
  UC843962  Lilium pardalinum subsp. pardalinum Alice Eastwood and John Thomas Howell 1938-6-14 5918 San Luis Obispo Prefumo Canyon Comment
  SBBG30627  Limonium californicum A. I. Richardson 1968-8-8 San Luis Obispo Morro Bay Comment
  OBI59645  Limonium sinuatum David J. Keil 1999-9-8 s.n. San Luis Obispo Along Turri rd, about halfway between Los Osos Valley Rd and South Bay Blvd 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
  UCR6137  Linaria canadensis C. M. Bringle 1967-3-20 B670320- 32 San Luis Obispo San Luis Obispo, north side of Los Osos Road at jct with Buckskin Drive in sandy field. 100' NW of huge scrub oak in center of NW field. 53 Comment
  OBI64840  Linaria maroccana David J. Keil 2001-5-3 29405 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus Comment
  UC455274  Lithocarpus densiflorus I. J. Condit 1908-6-30 San Luis Obispo Cuesta Comment
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Apr 30 2018
  UCR131353  Lobularia maritima George K. Helmkamp, E. A. Helmkamp 1999-5-22 4919 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 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
  OBI71661  Logfia gallica David J. Keil 1988-7-2 20844 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  UCR122590  Lolium perenne subsp. multiflorum George K. Helmkamp 1995-11-23 115 San Luis Obispo Central Coast, Junction of Martingale Avenue and Buckskin Drive in Los Osos 46 Comment
  UCR91708  Lolium perenne subsp. multiflorum George K. Helmkamp 1996-5-24 1029 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  UCR91846  Lolium perenne subsp. multiflorum George K. Helmkamp 1996-5-24 1015 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  RSA17774  Lomatium caruifolium C. B. Wolf 1929-4-15 3599 San Luis Obispo 8 miles west of San Luis Obispo on road to Morro Bay 91 Comment
  SBBG117754  Lomatium caruifolium M. Wetherwax, E. Painter 2001-2-27 SLO 182 a San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 200 Comment
  SBBG5206  Lomatium caruifolium M. A. Piehl 1963-4-21 63101 San Luis Obispo 1 mi E of Los Osos along Los Osos Valley Rd 9 Comment
  SBBG95383  Lomatium caruifolium C. Zeeb 1984-1-28 9 San Luis Obispo 0.6 mi E of Pennington Crk Rd Comment
  UCR1399  Lomatium caruifolium Frank C. Vasek 1960-4-9 600409- 08 San Luis Obispo Central Coast, Cerro Romauldo Mountain, along State Hwy l, 3 miles northwest of Camp San Luis Obispo gate 366 Comment
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1
  UC1123004  Lomatium caruifolium var. caruifolium C. M. Belshaw 1936-3-23 1711 San Luis Obispo 1.4 mi. s.-s.w. Hollister peak (Plot 3); Cayucos Quad. 106 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
  UC1123016  Lomatium dasycarpum subsp. dasycarpum B. Bolt 1936-3-13 618 San Luis Obispo 1 mi. w. Cerro Romauldo (Plot 99); San Luis Obispo Quad. 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
  OBI64819  Lomatium parvifolium David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29410 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  SBBG118161  Lomatium parvifolium M. Wetherwax, E. Painter 2002-5-8 SLO 262 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 100 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
  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
  OBI78819  Lonicera hispidula David J. Keil 2013-9-3 32004 San Luis Obispo Morro Bay State Park. Park Ridge. Canet Trail at crossing of small, unnamed drainage 109 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
  UC455868  Lonicera hispidula var. vacillans E. P. Unangst 1906-1 San Luis Obispo Perfumo Canyon Comment
  OBI38181  Lonicera involucrata var. ledebourii Eric Wise 1981-6-15 618 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd. Comment
  UCR134411  Lonicera involucrata var. ledebourii George K. Helmkamp, E. A. Helmkamp 2001-4-29 6571 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  UCR91701  Lotus corniculatus George K. Helmkamp 1996-5-24 1009 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  OBI71647  Lotus junceus David J. Keil 1988-7-2 20829 San Luis Obispo Morro Bay State Park, east of South Bay Blvd 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
  UC454676  Lotus micranthus I. J. Condit 1908-4-11 San Luis Obispo Cuesta 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
  UCR134434  Lotus procumbens var. procumbens George K. Helmkamp, E. A. Helmkamp 2001-4-29 6562 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  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
  UCR99048  Lotus purshianus George K. Helmkamp 1997-6-20 2048 San Luis Obispo Central Coast, Los Osos, c. 0.2 mi. NE of Buckskin & Martingale 27 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
  UC1129159  Lotus scoparius B. Bolt 1936-1-14 531 San Luis Obispo 2 mi sse Osos Creek (mouth); Cayucos Quad. 45 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
  CLARK-A1045-1366  Lotus strigosus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay along Turri Road, 3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  CLARK-A1045-1367  Lotus strigosus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay along Turri Road, 3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  CLARK-A1045-1381  Lotus strigosus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road west of Morro Bay; Morro Bay S 7.5'Q 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
  OBI78822  Lunaria annua David J. Keil 2013-9-6 32027 San Luis Obispo Morro Bay State Park. Northeast of Los Osos Middle School 12 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
  UCR104813  Lupinus albifrons George K. Helmkamp 1997-6-20 2057 San Luis Obispo Central Coast, Los Osos, c. 0.2 mi. NE of Buckskin & Martingale 27 Comment
  UCR130717  Lupinus arboreus George K. Helmkamp, E. A. Helmkamp 1999-5-22 4892 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  SBBG118164  Lupinus bicolor J. Olson 2002-4-3 San Luis Obispo W of Cerro Romualdo in leveled area behind water tank, Training Area 5; Camp San Luis Obispo 130 Comment
  SD232686  Lupinus bicolor G. Helmkamp 1996-5-27 1094 San Luis Obispo Los Osos. Oak woodland in fine sand NE of the corner of Martingale and Buckskin. 60 Comment
  UCR134436  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2001-4-29 6564 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  UCR91697  Lupinus bicolor George K. Helmkamp 1996-5-27 1094 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 Comment
  UCR131348  Lupinus chamissonis George K. Helmkamp, E. A. Helmkamp 1999-5-22 4894 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR99050  Lupinus chamissonis George K. Helmkamp 1997-6-20 2046 San Luis Obispo Central Coast, Los Osos, c. 0.2 mi. NE of Buckskin & Martingale 27 Comment
  HSC93120  Lupinus densiflorus var. densiflorus G. K. Helmkamp 1996-5-24 1008 San Luis Obispo State Park System N of Turri Rd. and 1.5 mi. E of South Bay Blvd. 95 Comment
  UC1129492  Lupinus hirsutissimus C. M. Belshaw 1936-3-25 1723 San Luis Obispo 1 1/2 mi s Los Osos Valley Forks (Clark Valley); Cayucos Quad., Clark Valley 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
  CLARK-A1045-1382  Lupinus latifolius George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road west of Morro Bay; Morro Bay S 7.5'Q Comment
  CLARK-A1045-1383  Lupinus latifolius George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road west of Morro Bay; Morro Bay S 7.5'Q 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
  UCR131091  Lupinus latifolius subsp. latifolius George K. Helmkamp, E. A. Helmkamp 1999-5-22 4913 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 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
  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
  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
  UCR134409  Lupinus latifolius var. latifolius George K. Helmkamp, E. A. Helmkamp 2001-4-29 6569 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  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
  UCR91839  Lupinus microcarpus var. densiflorus George K. Helmkamp 1996-5-24 1008 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  OBI64857  Lupinus microcarpus var. microcarpus David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29422 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI72816  Lupinus microcarpus var. microcarpus Michael Walgren 2008-6-21 138 San Luis Obispo Near Los Osos. Roadside on Turri rd approx. 1.5 mi inland from So bay Blvd Comment
  CLARK-A1045-1378  Lupinus nanus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road at Morro Bay; Morro Bay S 7.5'Q Comment
  CLARK-A1045-1379  Lupinus nanus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road at Morro Bay; Morro Bay S 7.5'Q Comment
  SBBG16080  Lupinus nanus M. A. Piehl 1963-4-21 63104 San Luis Obispo Los Osos Valley Rd, ca. 1 mi E of Los Osos 10 Comment
  UC454947  Lupinus nanus I. J. Condit 1910-5-14 San Luis Obispo Osos Valley Comment
  UCR121534  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2002-4-16 7430 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  CLARK-A1045-1372  Lupinus polycarpus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road at Morro Bay; Morro Bay S 7.5'Q Comment
  CLARK-A1045-1373  Lupinus polycarpus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road at Morro Bay; Morro Bay S 7.5'Q 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
  OBI78825  Lupinus succulentus Ranya Del Rosario, Sydnie Margallo, Payton McCall, Emilio Uranga, Tyler Davis 2014-4-27 1 San Luis Obispo First right after the gate down the road about 0.25 miles on the right side of the road 115 Comment
  SBBG104829  Lupinus succulentus M. D. Proctor, E. A. Young 1993-3-23 ROB 318 San Luis Obispo E edge of Cantonment Area; Camp San Luis Obispo 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
  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
  OBI67841  Luzula subsessilis E. L. Painter & M. Wetherwax, David J. Keil 2000-4-18 SLO- 98 San Luis Obispo Camp San Luis Obispo, East of pipe from water tower on northwest side of Cerro Romauldo 120 Comment
  OBI79991  Luzula subsessilis David J. Keil 2013-9-3 32007 San Luis Obispo Morro Bay State Park. Park Ridge. 36 Comment
  SBBG119403  Luzula subsessilis E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 98 San Luis Obispo E of pipe from water tower on NW slope of Cerro Romualdo; Camp San Luis Obispo 120 Comment
  OBI83670  Lysimachia arvensis Breanne Alton, Yasmine McCroden, Carly Arfsten, Jacob Watson, Sarah Pisani Isabelle Langlois 2017-4-29 1 San Luis Obispo 0.7 miles the Morro Bay Quarry trailhead near Los Osos, found on the right side of the trail. 175 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
  SD143861  Lythrum hyssopifolia G. K. Helmkamp 1997-6-20 2049 San Luis Obispo Ca. 0.2 mile northeast of Buckskin and Martingale in Los Osos. Comment
  UCR99047  Lythrum hyssopifolia George K. Helmkamp 1997-6-20 2049 San Luis Obispo Central Coast, Los Osos, c. 0.2 mi. NE of Buckskin & Martingale 27 Comment
  SBBG117870  Madia exigua E. Painter, D. Chipping, J. Game, J. Greenhouse 2003-5-15 SLO 336 San Luis Obispo Cerro Romualdo, along new manmade, unmapped trail from water tower to top; Camp San Luis Obispo 251 Comment
  SBBG118205  Madia gracilis E. Painter, M. Wetherwax, J. Olson 2002-4-23 SLO 239 San Luis Obispo NW side of Cerro Romualdo, rd going NNE from water tower; Camp San Luis Obispo 173 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
  OBI71660  Madia sativa David J. Keil 1988-7-2 20843 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  OBI78963  Maianthemum racemosum Michael Walgren 2013-4-11 340 San Luis Obispo Los Osos Oaks State Reserve in the community of Los Osos. Several plants within the first several hundered feet of the preserve entrance trail at a fork in two trails. 38 Comment
  SBBG45507  Malacothrix californica L. W. Edge 1972-5-8 145 San Luis Obispo N of Los Osos Valley Rd, Los Osos Comment
  UC455907  Malacothrix californica I. J. Condit 1910-5-14 San Luis Obispo Osos Valley Comment
  SBBG119512  Malva parviflora M. Wetherwax, E. Painter 2003-3-6 SLO 303 San Luis Obispo across Sutter Rd from bridge over Poison Oak Crk (tributary of Chorro Crk), near first ridge W of Cerro Romualdo; Camp San Luis Obispo 61 Comment
  HSC93443  Marah fabacea G. K. Helmkamp 1996-3-15 1005 San Luis Obispo Los Osos, at the corner of Martingale and Buckskin 61 Comment
  OBI75018  Marah fabacea Michael Walgren 2011-2-17 202 San Luis Obispo Morro Bay State Park in Los Osos E of South Bay Blvd. and N of El Morro Ave. 30 Comment
  UCR130719  Marah fabacea George K. Helmkamp, E. A. Helmkamp 1999-5-22 4900 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR91800  Marah fabacea George K. Helmkamp 1996-3-15 1005 San Luis Obispo Central Coast, Los Osos, at the corner of Martingale Ave. and Buckskin Dr. 61 Comment
  OBI78847  Marrubium vulgare David J. Keil 2013-8-29 31995 San Luis Obispo Morro Bay State Park. Just north of Los Osos Creek bridge on east side of South Bay Blvd next to bear statue 8 Comment
  SBBG118200  Matricaria discoidea M. Wetherwax, E. Painter 2000-3-21 SLO 50 San Luis Obispo saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 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
  CLARK-A1045-1368  Medicago polymorpha George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road; Morro Bay S 7.5'Q Comment
  SBBG96883  Medicago polymorpha C. Zeeb 1984-1-21 2 San Luis Obispo 0.6 mi E on Pennington Crk Rd 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
  UC1132236  Melica californica N. K. Carlson 1936-3-25 225 San Luis Obispo 2.9 mi wnw Cerro Romauldo; San Luis Obispo Quad. 182 Comment
  OBI29015  Melica imperfecta David J. Keil 1982-6-4 16182 San Luis Obispo El Chorro Regional Park NE of San Luis Obispo. Ca. 1 mi E of County Educational Facility, just E of old washed out bridge Comment
  OBI36700  Melilotus indicus Eric Wise 1982-6-24 1522 San Luis Obispo Warden Lake. Willow bog of old lake [N of Los Osos Valley Rd] and new reservoir next to it Comment
  OBI36867  Mentha aquatica Eric Wise 1981-6-15 610 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI78881  Mentha aquatica David J. Keil 2013-9-6 32031 San Luis Obispo Morro Bay State Park, northeast of Los Osos Middle School. 9 Comment
  OBI36871  Mentha canadensis Eric Wise 1981-6-15 578 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  SBBG117544  Micranthes californica E. Painter, M. Wetherwax 2002-2-28 SLO 212 San Luis Obispo first ridge W of Cerro Romualdo, near bottom of slope above small building; Camp San Luis Obispo Comment
  SBBG118203  Micropus californicus M. Wetherwax, E. Painter 2003-4-1 SLO 314 San Luis Obispo Cerro Romualdo; Camp San Luis Obispo 180 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
  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
  SBBG118202  Microseris douglasii E. Painter, M. Wetherwax, J. Olson 2002-4-22 SLO 232 San Luis Obispo W base of Cerro Romualdo, near gate for rd to water tower; Camp San Luis Obispo 54 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
  OBI64829  Microseris douglasii subsp. douglasii David J. Keil, with Michael Curto 2001-5-15 29459 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI75019  Mimulus aurantiacus Michael Walgren 2011-2-17 203 San Luis Obispo Morro Bay State Park in Los Osos E of South Bay Blvd. and N of El Morro Ave. 30 Comment
  SEINET2444936  Mimulus aurantiacus David Keil 1988-7-2 20867 San Luis Obispo Morro Bay State Park. E of South Bay Blvd. Vicinity of old cement plant or on hill to NE. 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
  UCR123153  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2002-4-16 7402 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 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
  UC1063575  Mimulus aurantiacus var. aurantiacus B. Bolt 1936-1-14 533 San Luis Obispo 2 mi sse of mouth Osos Creek; Cayucos Quadrangle 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
  SBBG118512  Minuartia douglasii J. Greenhouse, M. Wetherwax, E. Painter 2003-5-18 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 200 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
  SBBG119412  Monardella palmeri E. Painter, M. Wetherwax 2000-6-13 SLO 149 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 160 Comment
  UCR13783  Monardella sinuata subsp. sinuata George K. Helmkamp 1973-8-8 s.n. San Luis Obispo Central Coast, Morro Bay, Baywood Park, hillside c. 1 mi from ocean 3 Comment
  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
  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
  SBBG119409  Monardella villosa var. obispoensis J. Olson 2002-7-2 San Luis Obispo Cerro Romualdo, just up new, unmapped, illicit man-made trail from 3rd set of steps; Camp San Luis Obispo 280 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
  UCR24795  Mucronea californica George K. Helmkamp 1981-6-20 s.n. San Luis Obispo Los Osos: just north of Martingale Avenue and Buckskin Drive 61 Comment
  OBI28983  Muhlenbergia rigens David J. Keil 1982-6-4 16175 San Luis Obispo El Chorro Regional Park NE of San Luis Obispo. Ca. 1 mi E of County Educational Facility, just E of old washed out bridge Comment
  OBI22037  Muhlenbergia utilis Robert F. Hoover 1947-1-26 6602 San Luis Obispo Osos Valley Comment
  OBI78782  Myoporum laetum David J. Keil 2013-9-4 32022 San Luis Obispo Morro Bay State Park. South of Los Osos Middle School sports fields. 21 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
  CAS-BOT-BC260210  Nassella pulchra Ira L. Wiggins 1929-4-15 3598 San Luis Obispo 8 miles NW of San Luis Obispo on highway to Morro Comment
  OBI37242  Nasturtium officinale Eric Wise 1981-6-15 585 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  SBBG10434  Nasturtium officinale F. L. Johnson, N. A. McCarty 1993-10-14 ROB 716 San Luis Obispo Chorro Crk in cantonment area; Camp San Luis Obispo Comment
  OBI71672  Navarretia atractyloides David J. Keil 1988-7-2 20854 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SBBG117963  Navarretia atractyloides E. Painter, M. Wetherwax 2002-6-18 SLO 283 San Luis Obispo Cerro Romualdo, along trail leading upslope from watertower; Camp San Luis Obispo 200 Comment
  SBBG117964  Navarretia atractyloides E. Painter, M. Wetherwax 1999-7-13 SLO 3 San Luis Obispo near water tank (reservoir 4 tank) above cantonment area, W of St Hwy 1; Camp San Luis Obispo 100 Comment
  SBBG120119  Navarretia atractyloides E. Painter, M. Wetherwax 2002-6-18 SLO 283 San Luis Obispo Cerro Romualdo; Camp San Luis Obispo 200 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
  UCR122587  Navarretia hamata subsp. leptantha George K. Helmkamp 1995-11-23 108 San Luis Obispo Central Coast, Junction of Martingale Avenue and Buckskin Drive in Los Osos 46 Comment
  OBI40668  Navarretia squarrosa David J. Keil 1985-6-9 18796 San Luis Obispo Los Osos/Baywood Park area. End of Nipomo Avenue (1.5 blocks ESE of Willow Drive) and N across scrub to Eto Lake Comment
  SEINET11261648  Navarretia squarrosa David Keil 1985-6-19 118913 San Luis Obispo Fields north of Los Osos Valley Memorial Park.; 0 20 Comment
  UC1392630  Navarretia squarrosa R. F. Hoover 1969-8-15 11550 San Luis Obispo Los Osos Valley Comment
  UCR42894  Navarretia squarrosa David J. Keil 1985-6-9 18796 San Luis Obispo Central coast, Los Osos/Baywood Park area. End of Nipomo Avenue (1.5 blocks ESE of Willow Drive) and N across scrub to Eto Lake Comment
  OBI9481  Nuttallanthus canadensis Barrett Anderson 1972-2-27 311 San Luis Obispo Los Osos Valley Comment
  OBI72809  Nuttallanthus texanus Michael Walgren 2010-4-15 121 San Luis Obispo Morro Bay State Park, at the E terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. The parcel is known as "Powell III" Near Pismo Ave, near a stand of Quercus agrifolia Comment
  OBI78820  Oemleria cerasiformis David J. Keil 2013-9-6 32028 San Luis Obispo Morro Bay State Park. Northeast of Los Osos Middle School 12 Comment
  OBI37367  Oenanthe sarmentosa Eric Wise 1981-6-15 614 San Luis Obispo Turri Rd, 1 mi E of S Bay Blvd Comment
  OBI37368  Oenanthe sarmentosa Eric Wise 1981-6-15 586 San Luis Obispo Turri Rd, 1 mi E of S Bay Blvd Comment
  OBI64834  Oenanthe sarmentosa David J. Keil, with Michael Curto 2001-5-15 29452 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  SBBG44763  Oenanthe sarmentosa L. W. Edge 1972-5-10 182 San Luis Obispo Turri Rd, S of Morro Bay Comment
  OBI78714  Opuntia ficus-indica David J. Keil 2013-8-28 31985 San Luis Obispo Morro Bay State Park. Morro Rock Ecological Preserve. South base of Morro Rock along Coleman Drive 12 Comment
  SBBG118208  Orobanche californica subsp. grandis M. Wetherwax, E. Painter 2003-5-18 SLO 335 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 138 Comment
  UC455563  Orobanche fasciculata E. P. Unangst July 1906 San Luis Obispo Perfumo Canyon. Comment
  CLARK-A1045-1362  Orthocarpus densiflorus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay grassy field off Turri Road, 3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  CLARK-A1045-1363  Orthocarpus densiflorus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay grassy field off Turri Road, 3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  CLARK-A1045-1358  Orthocarpus densiflorus var. obispoensis George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay grassy field beside Turri Road, 3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  CLARK-A1045-1356  Orthocarpus erianthus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay grassy field beside Turri Road, 3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  RSA17777  Orthocarpus erianthus Carl B. Wolf 1929-4-15 3596 San Luis Obispo 8 miles west of San Luis Obispo on road to Morro Bay 91 Comment
  RSA17778  Orthocarpus erianthus var. roseus Carl B. Wolf 1929-4-15 3595 San Luis Obispo 8 miles west of San Luis Obispo on road to Morro Bay 91 Comment
  RSA17776  Orthocarpus pusillus Carl B. Wolf 1929-4-15 3597 San Luis Obispo 8 miles west of San Luis Obispo on road to Morro Bay 91 Comment
  OBI79423  Osmorhiza berteroi David J. Keil 2013-6-6 31788 San Luis Obispo San Luis Range. Upper Prefumo Canyon 190 Comment
  UC1143152  Oxalis corniculata C. M. Belshaw 1936-3-25 1719 A San Luis Obispo 1/2 mi s Los Osos Valley Forks (Clark Valley); Cayucos quad 304 Comment
  UCR91815  Oxalis corniculata George K. Helmkamp 1996-5-24 1042 San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 Comment
  SBBG119641  Oxalis corniculata subsp. corniculata M. Wetherwax, E. Painter 2000-4-21 SLO 49 b San Luis Obispo K-1 Training Area, saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  UCR123162  Oxalis corniculata subsp. pilosa George K. Helmkamp, E. A. Helmkamp 2002-4-16 7404 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  SBBG104272  Oxalis pes-caprae F. L. Johnson Proctor 1993-2-20 ROB 134 San Luis Obispo N edge of cantonment area; Camp San Luis Obispo Comment
  UCR122589  Oxalis pes-caprae George K. Helmkamp 1995-11-23 116 San Luis Obispo Central Coast, Junction of Martingale Avenue and Buckskin Drive in Los Osos 46 Comment
  UC1126122  Paeonia californica B. Bolt 1936-2-17 551 a San Luis Obispo 1/2 mi se Cerro Romualdo; San Luis Obispo Quadrangle Comment
Read comments
Mar 2 2016
  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
  OBI71676  Pellaea andromedifolia David J. Keil 1988-7-2 20859 San Luis Obispo Morro Bay State Park, east of South Bay Blvd 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
  SEINET3873361  Pellaea mucronata David Keil 1988-7-2 20860 San Luis Obispo Morro Bay State Park, east of South Bay Blvd. Vicinity of old cement plant or on hill to northeast.; 0 Comment
  SBBG104287  Pennisetum setaceum M. D. Proctor, E. A. Young 1993-3-23 ROB 322 San Luis Obispo E edge of Cantonment Area; Camp San Luis Obispo Comment
  SBBG119092  Pentagramma triangularis subsp. triangularis J. Olson 2002-4-3 San Luis Obispo Cerro Romualdo, off old rd just past jct with new manmade, illicit, unmapped trail; Camp San Luis Obispo Comment
  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
  OBI36807  Persicaria amphibia Eric Wise 1982-6-24 1519 San Luis Obispo Warden Lake. Willow bog of old lake [N of Los Osos Valley Rd] and new reservoir nextto it Comment
  OBI80312  Persicaria amphibia David J. Keil 2012-9-8 31524 San Luis Obispo Turri Rd., ca. 0.5 mi from South Bay Blvd. 10 Comment
  OBI81097  Persicaria amphibia Michael Walgren 2014-10-8 427 San Luis Obispo Los Osos, along Turri Road; 1.2 miles east of Los Valley Rd. on teh south side of the road 8 Comment
  OBI36818  Persicaria punctata Eric Wise 1981-6-15 598 San Luis Obispo Turri Rd, 1 mi E of S Bay Blvd Comment
  OBI36819  Persicaria punctata Eric Wise 1981-6-15 623 San Luis Obispo Turri Rd, 1 mi E of S Bay Blvd Comment
  OBI36829  Persicaria punctata Eric Wise 1981-6-15 624 San Luis Obispo Turri Rd, 1 mi E of S Bay Blvd 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
  CLARK-A1045-1377  Phacelia cicutaria subsp. hispida George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road at Morro Bay; Morro Bay S 7.5'Q Comment
  OBI19535  Phacelia distans B. W. & T. W., T. W. 1967-3-25 s.n. San Luis Obispo Prefumo Cyn Comment
  SBBG44879  Phacelia distans L. W. Edge 1972-5-8 149 San Luis Obispo N of Los Osos Valley Rd, Los Osos Comment
  UC1069244  Phacelia distans B. Bolt 1936-3-13 617 San Luis Obispo 1 mi w Cerro Romauldo (Plot 99); San Luis Obispo Quadrangle 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
  SBBG118430  Phacelia malvifolia E. Painter, M. Wetherwax 2002-6-18 SLO 284 San Luis Obispo NW side of Cerro Romualdo, along new, man-made, unmapped trail; Camp San Luis Obispo 250 Comment
  SEINET7072798  Phacelia ramosissima A. G. Vestal 1963-5-16 s.n. San Luis Obispo Dunes about 0.7 mile east-southeast of Los Osos on the Pecho Valley Road. Coordinate datum WGS84/NAD83. (35? deg. 18' 28" North Latitude, -120? deg. 49' 6" West Longitude; Coordinate datum: NAD27.). 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
  UCR130725  Phalaris aquatica George K. Helmkamp, E. A. Helmkamp 1999-5-22 4911 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  CDA34279  Phalaris brachystachys David J. Keil 2001-5-3 29393 San Luis Obispo Campus of Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta Collegecampus. Comment
  OBI29393  Phalaris brachystachys David J. Keil 2001-5-3 29393 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Vicinity of 35.32831 deg. N x 120.75553 deg. W 55 Comment
  CAS-BOT-BC259086  Phalaris lemmonii R. F. Hoover 1964-6-11 9032 San Luis Obispo Los Osos Valley Comment
  OBI64838  Phalaris paradoxa David J. Keil 2001-5-3 29394 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Vicinity of 35.32831 deg. N x 120.75553 deg. W 55 Comment
  UCR42839  Pholisma arenarium David J. Keil 1985-6-9 18788 San Luis Obispo Central Coast, Morro Bay area; Los Osos/Baywood Park area. N side of [San] Luis Avenue, just east of South Bay Blvd. 32 Comment
  JEPS114167  Pholistoma auritum var. auritum E. L. Painter, M. Wetherwax, J. Olson 2002-3-26 SLO- 217 b San Luis Obispo NW side of Cerro Romualdo, along new, manmade, unmapped, illicit trail. Comment
  OBI19543  Pholistoma auritum var. auritum B. W. & T. W., T. W. 1967-4-4 s.n. San Luis Obispo Perfumo Cyn Comment
  OBI75100  Pholistoma auritum var. auritum Michael Walgren 2011-3-3 241 San Luis Obispo Los Osos Oaks state Reserve, Los Osos. Comment
  SBBG118554  Pholistoma auritum var. auritum E. Painter, M. Wetherwax with J. Olson 2002-3-26 SLO 217 b San Luis Obispo NW slope of Cerro Romualdo; Camp San Luis Obispo 250 Comment
  SBBG118995  Pholistoma auritum var. auritum E. Painter, M. Wetherwax 2002-3-26 SLO 217 b San Luis Obispo NW side of Cerro Romualdo; Camp San Luis Obispo 250 Comment
  UCR131350  Pholistoma auritum var. auritum George K. Helmkamp, E. A. Helmkamp 1999-5-22 4901 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 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
  UC454378  Pinus coulteri I. J. Condit 1908-9-10 San Luis Obispo Cuesta Comment
  UCR246620  Pinus coulteri Patrick O'Bannon 1973-2-4 015 San Luis Obispo 3 mi in on Perfumo Canyon Road 183 Comment
  SBBG104781  Piptatherum miliaceum F. L. Johnson, E. A. Young 1993-6-23 ROB 695 San Luis Obispo Chorro Crk at bicycle repair facility; Camp San Luis Obispo 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
  UCR91849  Piptatherum miliaceum George K. Helmkamp 1996-5-24 1014 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  UCR67885  Pisum sativum Mark Meredith 1984-1-21 23 San Luis Obispo Central coast, Intersection of South Bay Blvd and Turri Road, near Morro Bay. 9 Comment
Read comments
Nov 4 2008
  OBI20591  Plagiobothrys bracteatus Robert F. Hoover 1964-6-11 9030 San Luis Obispo Los Osos Valley Comment
  OBI79021  Plantago coronopus David J. Keil 2013-8-19 31882 San Luis Obispo Northeastern quadrant of intersection of Turri Road with South Bay Blvd. 11 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
  OBI71666  Plantago lanceolata David J. Keil 1988-7-2 20849 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  OBI81371  Plantago lanceolata Hayley Dougan, Megan Coletti, Kendall Andres 2015-4-29 2 San Luis Obispo El Chorro Regional Park. Comment
  RSA628862  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 1999-5-22 4908 San Luis Obispo Los Osos, N of the corner of Buckskin and Martingale streets. 61 Comment
  SBBG104222  Plantago lanceolata M. D. Proctor, E. A. Young 1993-3-23 ROB 317 San Luis Obispo E edge of Cantonment Area, Camp San Luis Obispo Comment
  SD227867  Plantago lanceolata G. K. Helmkamp, E. A. Helmkamp 1999-5-22 4908 San Luis Obispo Los Osos: N of the corner of Buckskin and Martingale streets; roadside. 60 Comment
  UCD124593  Plantago lanceolata Daryl Koutnik 1978-6-19 526 San Luis Obispo San Luis Obispo County: Prefumo Canyon. 243 Comment
  UCR123159  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2002-4-16 7406 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  UCR131095  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 1999-5-22 4908 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  SBBG104609  Plantago major F. L. Johnson 1993-6-23 ROB 698 San Luis Obispo Chorro Crk at bicycle repair facility; Camp San Luis Obispo Comment
  OBI11616  Platanus racemosa R. A. Hays 1957-10-12 s.n. San Luis Obispo Perfumo Cyn Comment
  SBBG104220  Platanus racemosa F. L. Johnson Proctor 1993-2-20 ROB 160 San Luis Obispo N edge of cantonment area; Camp San Luis Obispo 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
  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
  SBBG118219  Poa annua M. Wetherwax, E. Painter, D. Keil 2000-4-18 SLO 85 San Luis Obispo old rd bed on NW slope of Cerro Romualdo; Camp San Luis Obispo 160 Comment
  CAS-BOT-BC243088  Poa secunda subsp. secunda E. L. Painter; M. Wetherwax; D. Keil 2000-4-18 SLO- 90 San Luis Obispo Camp San Luis Obispo. Cerro Romualdo Comment
  SBBG118224  Poa secunda subsp. secunda M. Wetherwax, E. Painter, D. Keil 2000-4-18 SLO 90 San Luis Obispo Cerro Romualdo; Camp San Luis Obispo 120 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
  SBBG119413  Pogogyne serpylloides E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 80 San Luis Obispo Cerro Romualdo, along unused rd from water tower across E face; Camp San Luis Obispo 150 Comment
  OBI29010  Polycarpon tetraphyllum David J. Keil 1982-6-4 16187 San Luis Obispo El Chorro Regional Park NE of San luis Obispo. Ca. 1 mi E of County Educational Facility, just E of old washed out bridge Comment
  SEINET3873590  Polypodium californicum Merlyne Prescott 1969-4-7 139 San Luis Obispo In Perfumo Canyon.; 0 Comment
  UC1063659  Polypodium californicum C. M. Belshaw 1936-3-26 1730 San Luis Obispo 3.6 mi e-ne of Valencia Peak (Plot 11); Cayucos Quadrangle 396 Comment
  SBBG117850  Polypodium calirhiza M. Wetherwax, E. Painter 2001-2-22 SLO 181 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 200 Comment
  OBI29014  Polypogon interruptus David J. Keil 1982-6-4 16183 San Luis Obispo El Chorro Regional Park NE of San Luis Obispo. Ca. 1 mi E of County Educational Facility, just E of old washed out bridge Comment
  OBI29012  Polypogon monspeliensis David J. Keil 1982-6-4 16185 San Luis Obispo El Chorro Regional Park NE of San Luis Obispo. Ca. 1 mi E of County Educational Facility, just E of old washed out bridge Comment
  OBI43256  Polypogon monspeliensis Eric Wise 1982-6-24 1521 San Luis Obispo Warden Lake. Willow bog of old lake [N of Los Osos Valley rd] and new reservoir next to it Comment
  OBI43301  Polypogon monspeliensis Eric Wise 1981-6-15 579 San Luis Obispo Turri rd, 1 mi E of So Bay Blvd Comment
  CAS-BOT-BC237581  Polypogon viridis R. F. Hoover 1964-6-11 9026 San Luis Obispo E end of Los Osos Valley Comment
  OBI22187  Polypogon viridis Robert F. Hoover 1964-6-11 9026 San Luis Obispo E end of Los Osos Valley Comment
  OBI9877  Populus trichocarpa R. A. Hays 1957-10-12 s.n. San Luis Obispo Perfumo cyn Comment
  UC1928127  Potamogeton pectinatus David Keil 2001-5-3 29403 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Ca. 35.32769 N x 120.75183 W Comment
  OBI17719  Potentilla anserina Amy E. Ludwick 1975-5-28 4 San Luis Obispo Along crk, S end of Morro Bay, Turri Rd Comment
  OBI36971  Potentilla anserina Eric Wise 1982-5-1 1445 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI36972  Potentilla anserina Eric Wise 1982-6-24 1531 San Luis Obispo Warden Lake. Willow bog of old lake [N of Los Osos Valley Rd] and new reservoir next to it Comment
  OBI36981  Potentilla anserina Eric Wise 1981-6-15 588 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  SBBG118637  Potentilla glandulosa subsp. glandulosa M. Wetherwax, E. Painter 2000-4-20 SLO 108 San Luis Obispo Cerro Romualdo, drainage below water tank; Camp San Luis Obispo 110 Comment
  OBI10043  Prunus fasciculata var. punctata Winton Frey 1962-7-19 s.n. San Luis Obispo Los Osos Valley Comment
  OBI72810  Prunus fasciculata var. punctata Michael Walgren 2010-4-15 122 San Luis Obispo Morro Bay state park, at the eastern terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. Parcel known as "Powell III" Comment
  RSA123186  Prunus fasciculata var. punctata A. E. Wieslander 1936-5-12 638 San Luis Obispo Los Osos Valley 76 Comment
  UC1128366  Prunus fasciculata var. punctata B. Bolt 1936-1-14 535 San Luis Obispo 2 mi sse of mouth of Osos Creek 45 Comment
  UC1128367  Prunus fasciculata var. punctata B. Bolt 1936-4-28 693 San Luis Obispo 2 1/4 mi s of mouth of Osos Creek 45 Comment
  UC1128368  Prunus fasciculata var. punctata A. E. Wieslander 1936-5-12 638 San Luis Obispo Los Osos Valley; Cayucos Quadrangle 76 Comment
  UCR134415  Prunus fasciculata var. punctata George K. Helmkamp, E. A. Helmkamp 2001-4-29 6575 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  OBI78849  Prunus ilicifolia David J. Keil 2013-9-6 32032 San Luis Obispo Morro Bay State Park. Northeast of Los Osos Middle School 12 Comment
  UC1128400  Prunus ilicifolia B. Bolt 1936-4-28 694 San Luis Obispo 2 1/4 mi s of mouth of Osos Creek 45 Comment
  UC2027210  Prunus ilicifolia David J. Keil 2013-9-6 32032 San Luis Obispo Morro Bay State Park. Northeast of Los Osos Middle School. Comment
  UC453984  Prunus ilicifolia unknown 1906-1 San Luis Obispo Prefumo Canyon Comment
  UC569728  Pseudognaphalium biolettii C. M. Belshaw 1936-3-25 1722 San Luis Obispo ridge 2 mi sw Los Osos Valley Forks; Cayucos Quad. 152 Comment
  OBI35828  Pseudognaphalium californicum Allison Berry 1984-4-20 124 San Luis Obispo Camp San Luis Shooting Facility 6.5 mi N of San Luis Obispo on hwy 1 Comment
  OBI71670  Pseudognaphalium californicum David J. Keil 1988-7-2 20852 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  OBI71662  Pseudognaphalium luteoalbum David J. Keil 1988-7-2 20845 San Luis Obispo Morro Bay State Park, east of South Bay Blvd 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
  UC454338  Psilocarphus tenellus E. P. Unangst 1906-4-8 San Luis Obispo Perfumo Canyon Comment
  SBBG117763  Psilocarphus tenellus var. tenellus E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 83 San Luis Obispo old rd leading from water tank, Cerro Romualdo; Camp San Luis Obispo 160 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
  UCR42840  Psoralea orbicularis David J. Keil 1985-6-9 18787 San Luis Obispo Central coast, Los Osos/Baywood Park Area. Along Willow Drive 1/2 block north of Los Osos Valley Road, Morro Bay area 44 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
  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
  SBBG104422  Pteridium aquilinum var. pubescens F. L. Johnson, N. A. McCarty 1993-10-14 ROB 720 San Luis Obispo Chorro Crk in cantonment area; Camp San Luis Obispo Comment
  CLARK-A1045-1370  Pterostegia drymarioides George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road, pasture; Morro Bay S 7.5'Q Comment
  OBI74986  Pterostegia drymarioides Michael Walgren 2011-3-3 218 San Luis Obispo Los Osos Oaks state reserve off Los Osos Valley rd near Los Osos. 48 Comment
  OBI78635  Quercus agrifolia David J. Keil 2013-8-28 31982 San Luis Obispo Morro Bay State Park. North side of Turri Road above marshy area near mouth of small, unnamed drainage 7 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
  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
  CLARK-A1045-1360  Ranunculus californicus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay pasture, Turri Road, 3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  CLARK-A1045-1361  Ranunculus californicus George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay pasture, Turri Road, 3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  OBI10575  Ranunculus californicus Robert F. Hoover 1948-3-4 7424 San Luis Obispo Osos Valley Comment
  UC1126164  Ranunculus californicus C. M. Belshaw 1936-3-23 1700 San Luis Obispo 1.9 mi sw Hollister Pk. (Plot 2); Cayucos Quadrangle 18 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
  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
  OBI64841  Raphanus raphanistrum David J. Keil 2001-5-3 29407 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Ca. 35.32604 deg. N x 120.75759 deg. W Comment
  UC1121742  Rhamnus californica B. Bolt 1936-2-10 573 San Luis Obispo 1.5 mi se mouth of Osos Creek; Cayucos Quad. 76 Comment
  UCR24793  Rhamnus californica George K. Helmkamp 1981-6-20 s.n. San Luis Obispo Central Coast, Los Osos, south edge of Eto Lake 24 Comment
  JEPS114103  Rhamnus crocea M. Wetherwax, E. L. Painter 2000-8-19 SLO- 361 San Luis Obispo Camp San Luis Obispo. Cerro Romualdo. Comment
  OBI72411  Rhamnus crocea Unknown 2000-8-19 SLO- 361 San Luis Obispo Camp San Luis Obispo. Cerro Romualdo 200 Comment
  OBI78823  Rhamnus crocea David J. Keil 2013-8-29 31998 San Luis Obispo Morro Bay State Park. Northeast of east end of Santa Ysabel Ave on slope south of Los Osos Creek 15 Comment
  SBBG119760  Rhamnus crocea M. Wetherwax, E. Painter 2000-8-19 SLO 361 San Luis Obispo Cerro Romualdo; Camp San Luis Obispo 200 Comment
  SBBG119761  Rhamnus crocea M. Wetherwax, E. Painter 2000-8-19 SLO 361 San Luis Obispo Cerro Romualdo; Camp San Luis Obispo 200 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
  SBBG119188  Ribes malvaceum var. viridifolium E. Painter, M. Wetherwax 2002-3-26 SLO 221 San Luis Obispo W side of Cerro Romualdo; Camp San Luis Obispo 280 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
  UC1127446  Ribes menziesii B. Bolt 1936-3-18 637 San Luis Obispo 4 mi se of mouth Osos Creek; Cayucos Quadrangle Comment
  UC1127454  Ribes menziesii B. Bolt 1936-3-11 606 San Luis Obispo 2 1/4 mi s Osos Creek (Plot 73); Cayucos Quadrangle Comment
  UC569977  Ribes menziesii C. M. Belshaw 1936-3-25 1721 San Luis Obispo 1 1/2 mi s Los Osos Valley Forks-Clark Valley; Cayucos Quadrangle 304 Comment
  UC1127616  Ribes speciosum B. Bolt 1936-1-14 542 San Luis Obispo 3/4 mi se of mouth Osos Creek; Cayucos Quadrangle 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
  UCR104812  Rosa californica George K. Helmkamp 1997-6-20 2054 San Luis Obispo Central Coast, Los Osos, c. 0.2 mi. NE of Buckskin & Martingale 27 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
  OBI78824  Rosa spithamea David J. Keil 2013-9-6 32030 San Luis Obispo Morro Bay State Park. Northeast of Los Osos Middle School 9 Comment
  SBBG119077  Rosa spithamea M. Wetherwax, E. Painter 2000-6-13 SLO 146 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 150 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
  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
  SBBG104477  Rubus ursinus M. D. Proctor, E. A. Young 1993-4-17 ROB 474 San Luis Obispo N side of Cerro Romualdo; Camp San Luis Obispo Comment
  UC1128659  Rubus ursinus B. Bolt 1936-2-10 574 San Luis Obispo 1.5 mi se mouth of Osos Creek; Cayucos Quad. Comment
  UCR131352  Rubus ursinus George K. Helmkamp, E. A. Helmkamp 1999-5-22 4904 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 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
  UCR91852  Rumex acetosella George K. Helmkamp 1996-5-24 1028 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  OBI36784  Rumex conglomeratus Eric Wise 1981-6-15 582 San Luis Obispo Turri Rd, 1 mi E of S Bay Blvd Comment
  OBI36799  Rumex conglomeratus Eric Wise 1982-6-24 1513 San Luis Obispo Warden Lake. Willow bog of old lake [N of Los Osos Valley Rd] and new reservoir next to it Comment
  SBBG104566  Rumex conglomeratus M. D. Proctor, E. A. Young 1993-3-23 ROB 326 San Luis Obispo E edge of Cantonment Area; Camp San Luis Obispo Comment
  SBBG104592  Rumex conglomeratus F. L. Johnson 1993-6-23 ROB 697 San Luis Obispo Chorro Crk at bicycle repair facility; Camp San Luis Obispo Comment
  OBI37008  Rumex crispus Eric Wise 1982-6-24 1511 San Luis Obispo Warden Lake. Willow bog of old lake [N of Los Osos Valley Rd] and new reservoir next to it Comment
  OBI71645  Rumex crispus David J. Keil 1988-7-2 20876 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  OBI40120  Rumex pulcher David J. Keil 1981-5-31 s.n. San Luis Obispo County Educational Facility at Rancho el Chorro Comment
  OBI71664  Rumex pulcher David J. Keil 1988-7-2 20842 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SD225084  Rumex pulcher G. Helmkamp 1996-5-24 1025 Riverside State Park System north of Turri Road and 1.5 mi east of South Bay Blvd. 93 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
  UCR91808  Rumex pulcher George K. Helmkamp 1996-5-24 1025 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  OBI71655  Rumex salicifolius David J. Keil 1988-7-2 20838 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  UC2013177  Rumex salicifolius David Keil 1979-7-1 13115 San Luis Obispo San Luis Range, lower Prefumo Canyon. Comment
  UCR130722  Rumex salicifolius var. denticulatus George K. Helmkamp, E. A. Helmkamp 1999-5-22 4886 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR134405  Rupertia physodes George K. Helmkamp, E. A. Helmkamp 2001-4-29 6565 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  SBBG123144  Ruppia maritima D. Keil, K. Keil 2003-9-1 30287 -1 San Luis Obispo Morro Bay Comment
  SBBG118517  Sagina decumbens subsp. occidentalis E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 84 San Luis Obispo Cerro Romualdo, trail from water tower to K-1 Training Area; Camp San Luis Obispo 150 Comment
  OBI17196  Salicornia pacifica Robert F. Hoover 1965-9-22 9641 San Luis Obispo Osos Crk near Morro Bay Comment
  OBI38195  Salicornia pacifica Eric Wise 1981-6-15 583 San Luis Obispo Turri Rd, 1 mi E of So. Bay blvd Comment
  UC1321230  Salicornia subterminalis R. F. Hoover 1965-9-22 9642 San Luis Obispo near Morro Bay; Osos Creek Comment
  UC1136470  Salicornia virginica B. Bolt 1936-3-17 633 San Luis Obispo 1 mi n Osos Creek; Cayucos Quad. 0 Comment
  OBI78733  Salix exigua Michael Walgren 2013-9-13 334 San Luis Obispo Creek bed of San Carpoforo Creek west of Highmway One 38 Comment
  OBI36910  Salix laevigata Eric Wise 1983-3-10 1697 Unknown Turri rd 1 mi E of So Bay Blvd Comment
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Jan 1 2016
  OBI36911  Salix laevigata Eric Wise 1983-3-5 1671 Unknown Turri rd x Los Osos valley rd Comment
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Jan 1 2016
  OBI36912  Salix laevigata Eric Wise 1983-3-5 1671 Unknown Turri rd x Los Osos valley rd Comment
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Jan 1 2016
  SBBG117540  Salix laevigata E. Painter, M. Wetherwax 1999-11-15 SLO 21 San Luis Obispo Chorro Crk, N of Colusa Ave; Camp San Luis Obispo 100 Comment
  UCR97564  Salix laevigata George K. Helmkamp, E. A. Helmkamp 1997-3-8 1437 San Luis Obispo NE of Los Osos. 4.5 mi. north of Los Osos Valley Rd on Turri Rd. 30 Comment
  OBI36918  Salix lasiandra Eric Wise 1982-5-1 1444 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI36919  Salix lasiandra Eric Wise 1982-5-1 1444 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd 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
  OBI37343  Salix lasiandra Eric Wise 1984-3-9 1872 San Luis Obispo Turri Rd, about 1 mi E of So. Bay Blvd Comment
  JEPS114138  Salix lasiolepis E. L. Painter, M. Wetherwax 2002-4-24 SLO- 248 San Luis Obispo Camp San Luis Obispo. Cantonment area, steep stream bank of Dairy Creek, Bridge 103, at Mendocino Ave. Comment
  OBI36878  Salix lasiolepis Eric Wise 1981-6-15 612 San Luis Obispo Turri Rd, 1 mi E of So. Bay blvd Comment
  OBI36879  Salix lasiolepis Eric Wise 1981-6-15 594 San Luis Obispo Turri Rd, 1 mi E of So. Bay blvd Comment
  OBI36880  Salix lasiolepis Eric Wise 1981-6-15 581 San Luis Obispo Turri Rd, 1 mi E of So. Bay blvd Comment
  OBI36900  Salix lasiolepis Eric Wise 1982-5-1 1444 a San Luis Obispo Turri Rd, 1 mi E of So. Bay blvd Comment
  OBI37263  Salix lasiolepis Eric Wise 1983-3-10 1696 San Luis Obispo Turri rd about 1 mi E of So. Bay blvd Comment
  OBI37344  Salix lasiolepis Eric Wise 1984-3-9 1871 San Luis Obispo Turri rd about 1 mi E of So. Bay blvd Comment
  OBI72216  Salix lasiolepis E. L. Painter & M. Wetherwax, M. Wetherwax 1999-11-15 SLO- 21 San Luis Obispo Camp San Luis Obispo 100 Comment
  SBBG119723  Salix lasiolepis E. Painter, M. Wetherwax 2002-4-24 SLO 248 San Luis Obispo Cantonment area, Dairy Crk, Bridge 103 at Mendocino Ave; Camp San Luis Obispo 68 Comment
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Feb 2 2009
  UC1135021  Salix lasiolepis B. Bolt 1936-2-10 575 San Luis Obispo 1 1/2 mi se mouth of Osos Creek; Cayucos Quadrangle Comment
  UC1576182  Salix lasiolepis Eric Wise 1983-3-10 1696 San Luis Obispo Turri Rd. 1 mi e So Bay Blvd. Comment
  UCR97568  Salix lasiolepis George K. Helmkamp, E. A. Helmkamp 1997-3-8 1436 San Luis Obispo NE of Los Osos. 4.5 mi. north of Los Osos Valley Rd on Turri Rd. 30 Comment
  SBBG117538  Salix lucida subsp. lasiandra E. Painter, M. Wetherwax 2002-4-24 SLO 247 San Luis Obispo Dairy Crk, Bridge 103 at Mendocino Ave; Camp San Luis Obispo 68 Comment
  OBI78789  Salix melanopsis Michael Walgren 2013-9-13 336 San Luis Obispo Creek bed of San Carpoforo Creek west of Highway 1 38 Comment
  SBBG104800  Salsola tragus F. L. Johnson, N. A. McCarty 1993-10-14 ROB 719 San Luis Obispo Chorro Crk in cantonment area; Camp San Luis Obispo Comment
  SBBG118068  Salsola tragus J. Olson 2000-7-11 San Luis Obispo intersection of Kern and San Joaquin Rds, both sides of San Joaquin Rd; Camp San Luis Obispo Comment
  OBI72754  Salvia columbariae Michael Walgren 2010-4-15 126 San Luis Obispo Morro Bay State Park, at the E terminus of Pismo Ave in Los Osos. This newer acquistion parcel is located S of Pismo ave and abuts several homes. The parcel is known as "Powell III" Comment
  UC1124737  Salvia columbariae B. Bolt 1936-3-13 616 San Luis Obispo 1 mi w Cerro Romauldo; San Luis Obispo National Forest, San Luis Obispo Quad. 182 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
  OBI72758  Salvia mellifera Michael Walgren 2010-4-15 125 San Luis Obispo Morro Bay state park, at the eastern terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. Parcel known as "Powell III" Comment
  SEINET2444937  Salvia mellifera David Keil 1988-7-2 20868 San Luis Obispo Morro Bay State Park. E of South Bay Blvd. Vicinity of old cement plant or on hill to NE. Comment
  UC456108  Salvia mellifera E. P. Unangst 1906-5-30 San Luis Obispo Perfumo Canyon Comment
  UC573497  Salvia mellifera B. Bolt 1936-3-4 596 San Luis Obispo 0.25 mi s mouth of Osos Creek; Cayucos Quad. 30 Comment
  UCR123161  Salvia mellifera George K. Helmkamp, E. A. Helmkamp 2002-4-16 7416 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  CHSC3930  Salvia spathacea D. B. Joley 1967-3-22 4 San Luis Obispo In a vacant lot, ca. 20 feet n of Los Osos Valley Rd. and Rieger Rd. of a dirt rd. and ca. 50 ft n of Los Osos Valley Rd., Los Osos. 60 Comment
  CHSC4008  Salvia spathacea J. E. Bowlin 1967-3-22 10 San Luis Obispo In a vacant lot, ca. 20 feet n of Los Osos Valley Rd. and Rieger Rd. off a dirt rd. and ca. 50 feet n of Los Osos Valley Rd., Los Osos. 60 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
  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
  OBI78857  Sambucus nigra David J. Keil 2013-8-29 31996 San Luis Obispo Morro Bay State Park. Northeast of east end of Santa Ysabel Ave on slope south of Los Osos Creek 15 Comment
  SBBG104888  Sambucus nigra subsp. caerulea F. L. Johnson 1993-6-23 ROB 691 San Luis Obispo Chorro Crk at bicycle repair facility; Camp San Luis Obispo 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
  OBI75013  Sanicula arguta Michael Walgren 2011-2-12 196 San Luis Obispo Private propoerty onEastern boundary of Morro Bay State Park 182 Comment
  OBI8755  Sanicula arguta Robert F. Hoover 1968-3-9 10899 San Luis Obispo Pennington crk, Camp SLO Comment
  OBI8757  Sanicula arguta Robert F. Hoover 1968-3-9 10899 San Luis Obispo Pennington crk, Camp SLO Comment
  OBI8792  Sanicula arguta Robert F. Hoover 1947-4-16 6930 San Luis Obispo West base of Cerro Romauldo near San Luis Obispo Comment
  UC1392814  Sanicula arguta R. F. Hoover 1968-3-9 10899 San Luis Obispo Pennington Creek, Camp San Luis Obispo Pennington Creek; , Camp San Luis Obispo 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
  UC754984  Sanicula arguta R. F. Hoover 1947-4-16 6930 San Luis Obispo near San Luis Obispo (w base of Cerro Romauldo); Cerro Romauldo 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
  RSA597221  Sanicula crassicaulis George K. Helmkamp 1996-5-24 1035 San Luis Obispo State Park System north of Turi Road and 1.5 mi east of South bay Blvd. 95 Comment
  SBBG118028  Sanicula crassicaulis M. Wetherwax, E. Painter with J. Olson. 2002-4-23 SLO 235 San Luis Obispo NW slope of Cerro Romualdo, drainage below water tank; Camp San Luis Obispo 110 Comment
  SEINET269232  Sanicula crassicaulis G. Helmkamp 1996-5-24 1035 San Luis Obispo State Park system north of Turri Rd. and 1.5 miles of South Bay Blvd. 95 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
  UCR123160  Sanicula crassicaulis George K. Helmkamp, E. A. Helmkamp 2002-4-16 7405 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 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
  UCR91702  Sanicula crassicaulis George K. Helmkamp 1996-5-24 1035 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  SBBG118017  Sanicula hoffmannii M. Wetherwax, E. Painter 2000-6-13 SLO 145 San Luis Obispo ephemeral stream, first ridge W of Cerro Romualdo; Camp San Luis Obispo 160 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
  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
  UC754978  Sanicula maritima R. F. Hoover 1947-4-13 6928 San Luis Obispo Los Osos Valley Comment
  UC754980  Sanicula maritima R. F. Hoover 1947-4-16 6932 San Luis Obispo near San Luis Obispo (w base of Cerro Romauldo); Cerro Romauldo Comment
  UC920160  Sanicula maritima L. Constance 1950-4-6 3313 San Luis Obispo w of San Luis Obispo (w base of Cerro Romauldo); Cerro Romauldo 152 Comment
  UC920161  Sanicula maritima L. Constance 1950-4-6 3313 San Luis Obispo w of San Luis Obispo (w base of Cerro Romauldo); Cerro Romauldo 152 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
  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
  UCR91819  Satureja douglasii George K. Helmkamp 1996-5-24 1047 San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 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
  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
  CAS-BOT-BC283116  Schedonorus arundinaceus R. F. Hoover 1964-6-11 9023 San Luis Obispo East end of Los Osos Valley Comment
  SBBG104269  Schinus molle F. L. Johnson Proctor 1993-2-20 ROB 159 San Luis Obispo N edge of cantonment area; Camp San Luis Obispo Comment
  UCSB73234  Schoenoplectus acutus Ferren, Wayne; Hamilton, Jason 1993-7-19 San Luis Obispo Los Osos Creek. Comment
  OBI35194  Schoenoplectus acutus var. occidentalis Eric Wise 1982-5-1 1440 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI35205  Schoenoplectus californicus Eric Wise 1982-5-1 1441 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI35206  Schoenoplectus californicus Eric Wise 1982-6-24 1510 San Luis Obispo Warden Lake [N of Los Osos Valley Rd] Comment
  OBI35207  Schoenoplectus californicus Eric Wise 1982-6-24 1529 San Luis Obispo Warden Lake [N of Los Osos Valley Rd] Comment
  OBI35208  Schoenoplectus californicus Eric Wise 1982-6-24 1530 San Luis Obispo Warden Lake [N of Los Osos Valley Rd] Comment
  OBI35217  Schoenoplectus californicus Eric Wise 1981-6-15 595 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI35218  Schoenoplectus californicus Eric Wise 1981-6-15 605 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI35219  Schoenoplectus californicus Eric Wise 1981-6-15 617 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI35229  Schoenoplectus californicus Eric Wise 1983-3-10 1698 San Luis Obispo Turri Rd 1 mi E of So Bay Blvd Comment
  RSA0028219  Schoenoplectus maritimus David J. Keil 2013-8-29 31993 San Luis Obispo Morro Bay State Park. Just east of South Bay Blvd. on south side of Los Osos Creek estuary. 2 Comment
  RSA797521  Schoenoplectus maritimus W. R. Ferren, Hamilton 1993-7-19 EPA- 86 San Luis Obispo Los Osos Creek. Comment
  UCR42829  Scirpus cernuus David J. Keil 1977-8-7 12489 San Luis Obispo Central Coast, Los Osos Valley Road c. 1 mi west of Turri Road 18 Comment
  OBI43546  Scirpus microcarpus Eric Wise 1981-6-15 601 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI43547  Scirpus microcarpus Eric Wise 1981-6-15 616 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI43554  Scirpus microcarpus Eric Wise 1982-5-1 1442 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  OBI43555  Scirpus microcarpus Eric Wise 1982-6-24 1514 San Luis Obispo Warden Lake [N of Los Osos Valley Rd] and new reservoir next to it Comment
  SBBG119101  Scirpus microcarpus E. Painter, M. Wetherwax 1999-11-15 SLO 18 San Luis Obispo Poison Oak Crk, ca. 100 m upstream of fire hydrant 15-16, ca. 2.5 air km NW of Cerro Romualdo, base of ridge W of O'Connor Way, W of Sutter Rd 100 Comment
  SBBG117787  Scrophularia californica E. Painter, M. Wetherwax, K. Downing 2002-5-8 SLO 261 San Luis Obispo first ridge W of Cerro Romualdo, in riparian area along 'Lily Crk', first drainage west, near old homestead 96 Comment
  OBI64821  Secale cereale David J. Keil, with Michael Curto 2001-5-15 29468 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI71650  Selaginella bigelovii David J. Keil 1988-7-2 20832 San Luis Obispo Morro Bay State Park, east of South Bay Blvd. Vicinity of old cement plant or on hill to northeast Comment
  SBBG118182  Selaginella bigelovii M. Wetherwax, E. Painter 2000-6-13 SLO 144 San Luis Obispo first ridge W of Cerro Romualdo, near ephemeral stream; Camp San Luis Obispo 150 Comment
  SBBG118234  Selaginella bigelovii E. Painter, M. Wetherwax 2000-3-23 SLO 61 San Luis Obispo W side of Cerro Romualdo; Camp San Luis Obispo 160 Comment
  UC579493  Senecio californicus B. Bolt 1936-3-11 608 San Luis Obispo 2 mi sse of mouth Osos Creek; Cayucos Quad. 45 Comment
  CDA20239  Senna multiglandulosa J. Fox 2003-7-21 PDR 1273328 San Luis Obispo South Coast Ranges; Cerro Cabrillo in Morro Bay State Park. Comment
  UCR4583  Senna multiglandulosa Frank C. Vasek 1960-4-9 600409- 13 San Luis Obispo Central Coast, Los Osos [Valley] Road, 2 miles east of Los Osos 15 Comment
  CLARK-A1045-1359  Sidalcea malviflora George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay grassland, Turri Road, 3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  OBI64862  Sidalcea malviflora subsp. laciniata David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29417 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  RSA17775  Sidalcea malviflora subsp. laciniata Carl B. Wolf 1929-4-15 3598 San Luis Obispo 8 miles west of San Luis Obispo on road to Morro Bay 91 Comment
  RSA648495  Sidalcea malviflora subsp. laciniata Dunn 1972-4-15 s.n. San Luis Obispo Perfumo Canyon 61 Comment
  SBBG104762  Sidalcea malviflora subsp. laciniata M. D. Proctor, E. A. Young 1993-4-17 ROB 471 San Luis Obispo N side of Cerro Romualdo; Camp San Luis Obispo Comment
  UC1124976  Sidalcea malviflora subsp. laciniata C. M. Belshaw 1936-3-23 1704 San Luis Obispo 1.9 mi sw Hollister Park; Cayucos Quad. Comment
  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
  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
  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
  UCR134435  Silene gallica George K. Helmkamp, E. A. Helmkamp 2001-4-29 6563 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  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
  SBBG118520  Silene laciniata subsp. laciniata M. Wetherwax, E. Painter 2001-4-22 SLO 277 San Luis Obispo first ridge W of Cerro Romualdo; Camp San Luis Obispo 140 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
  UCR91853  Silybum marianum George K. Helmkamp 1996-5-24 1033 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  SBBG104190  Sinapis arvensis F. L. Johnson Proctor 1993-2-20 ROB 135 San Luis Obispo N edge of cantonment area; Camp San Luis Obispo Comment
  OBI71671  Sisyrinchium bellum David J. Keil 1988-7-2 20853 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  RSA648506  Sisyrinchium bellum Charles D. Dunn 1972-4-15 s.n. San Luis Obispo Perfumo Canyon 61 Comment
  SD232565  Sisyrinchium bellum George Helmkamp 1996-5-24 1032 San Luis Obispo State Park System N of Turri Road and 1.5 miles east of South Bay Blvd. 93 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
  UCR91843  Sisyrinchium bellum George K. Helmkamp 1996-5-24 1032 San Luis Obispo Central Coast, Baywood Park/Los Osos, state park system, north of Turri Road and 1.5 miles east of South Bay Blvd 94 Comment
  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
  RSA647593  Solanum douglasii C. Dunn 1972-4-15 s.n. San Luis Obispo Perfumo Canyon. 61 Comment
  SBBG104508  Solanum douglasii M. D. Proctor, E. A. Young 1993-4-17 ROB 476 San Luis Obispo N side of Cerro Romualdo; Camp San Luis Obispo Comment
  SBBG104616  Solanum douglasii F. L. Johnson, N. A. McCarty 1993-10-19 ROB 709 San Luis Obispo Chorro Crk in cantonment area; Camp San Luis Obispo Comment
  SBBG104950  Solanum douglasii M. D. Proctor, E. A. Young 1993-4-17 ROB 476 San Luis Obispo N side of Cerro Romualdo; Camp San Luis Obispo Comment
  SBBG104956  Solanum douglasii F. L. Johnson, N. A. McCarty 1993-10-14 ROB 713 San Luis Obispo Chorro Crk in cantonment area; Camp San Luis Obispo Comment
  SBBG95349  Solanum douglasii C. Zeeb 1984-1-28 11 San Luis Obispo 0.6 mi E on Pennington Crk Rd Comment
  UC1125187  Solanum douglasii C. M. Belshaw 1936-3-23 1714 San Luis Obispo 1.4 mi ssw of Hollister Peak 106 Comment
  UC577722  Solanum douglasii B. Bolt 1936-1-14 529 San Luis Obispo 2 mi se of mouth of Osos Creek 45 Comment
  UCD126924  Solanum douglasii B. Bolt 1936-1-1 529 San Luis Obispo San Luis Obisbo County: 2 miles south-southeast of Osos Creek. 45 Comment
  UCR122595  Solanum douglasii George K. Helmkamp 1995-11-23 110 San Luis Obispo Central Coast, Junction of Martingale Avenue and Buckskin Drive in Los Osos 46 Comment
  UCR131346  Solanum douglasii George K. Helmkamp, E. A. Helmkamp 1999-5-22 4898 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  CAS-BOT-BC156436  Solanum umbelliferum C. B. Hardham 1958-4-9 3047 San Luis Obispo Cuesta Comment
  CAS-BOT-BC156478  Solanum umbelliferum E. D. Cantelow 1937-4-1 2071 San Luis Obispo About 5 mi. E. of Morro Bay Comment
  CAS-BOT-BC156842  Solanum umbelliferum E. Zimmerman 1966-4-8 15 San Luis Obispo Perfumo Canyon Comment
  JEPS114093  Solanum umbelliferum E. L. Painter, M. Wetherwax, J. Olson 2002-3-26 SLO- 220 San Luis Obispo Camp San Luis Obispo. W side of Cerro Romualdo. Comment
  JEPS99204  Solanum umbelliferum Clare B. Hardham 1958-4-9 3047 San Luis Obispo Cuesta Comment
  SBBG119722  Solanum umbelliferum E. Painter, M. Wetherwax with J. Olson 2002-3-26 SLO 220 San Luis Obispo W side of Cerro Romualdo, along trail from water tower to top; Camp San Luis Obispo 149 Comment
  UC1125039  Solanum umbelliferum B. Bolt 1936-1-14 532 San Luis Obispo 2 mi sse of mouth of Osos Creek 45 Comment
  OBI72752  Solanum xanti Michael Walgren 2010-4-15 123 San Luis Obispo Morro Bay state Park at E terminus of Pismo Ave in Los Osos. This newer acquisition parcel is located S of Pismo Ave and abuts several homes. The parcel is known as "Powell III" . Collected near Pismo Ave 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
  UCR16548  Solanum xanti C. M. Bringle 1967-3-20 B670320- 28 San Luis Obispo San Luis Obispo, north side of Los Osos Road at jct. with Buckskin Drive in sandy field. NE field 50' from Buckskin Drive 50 Comment
  UCR88348  Solanum xanti George K. Helmkamp, E. A. Helmkamp 1995-6-20 95- 2 - San Luis Obispo Bear Creek Ranch, SE of Los Osos. 6 mi SE of Los Osos on Clark Valley Rd 396 Comment
  UCR13916  Solidago californica George K. Helmkamp 1973-8-8 s.n. San Luis Obispo Central Coast, Morro Bay, Baywood Park, hillside c. 1 mi from ocean 3 Comment
  CAS-BOT-BC365735  Solidago spathulata R. F. Hoover 1963-7-30 8590 San Luis Obispo Northeast side of Los Osos Valley Comment
  CAS-BOT-BC365736  Solidago spathulata R. F. Hoover 1963-7-30 8590 San Luis Obispo Northeast side of Los Osos Valley Comment
  OBI15446  Solidago spathulata Robert F. Hoover 1963-7-30 8590 San Luis Obispo NE side of Los Osos Valley Comment
  OBI79027  Solidago velutina David J. Keil 2013-8-22 31902 San Luis Obispo Morro Bay State Park. Between 1743 and 1800 Turri Road (from 35.330341 deg. , -120.812458 deg. to 35.327170 deg. , -120.808337 deg. ) 9 Comment
  SBBG104862  Soliva sessilis M. D. Proctor, E. A. Young 1993-4-17 ROB 455 San Luis Obispo N side of Cerro Romualdo; Camp San Luis Obispo Comment
  SBBG117863  Soliva sessilis E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 78 San Luis Obispo Cerro Romualdo; Camp San Luis Obispo 150 Comment
  SBBG16066  Soliva sessilis M. A. Piehl 1963-4-21 63100 San Luis Obispo Los Osos Valley Rd, ca. 1 mi E of Los Osos 10 Comment
  UC1070265  Soliva sessilis C. M. Belshaw 1936-3-23 1712 San Luis Obispo 1.4 mi ssw Hollister Pk.; Cayucos Quad. 106 Comment
  UC1070269  Soliva sessilis N. K. Carlson 1936-3-25 219 San Luis Obispo .1 mi n Goldtree; San Luis Obispo Quad. 182 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
  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
  OBI22233  Sorghum halepense Suzi Ziegler 1967-9-29 78 San Luis Obispo Side of HWy 1 about 5 mi N of Cal Poly 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
  CLARK-A1045-1375  Spergula arvensis George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road at Morro Bay; Morro Bay S 7.5'Q Comment
  OBI38253  Spergula arvensis Eric Wise 1982-6-24 1523 San Luis Obispo Warden Lake. Willow bog of old lake [N of Los Osos Valley Rd] and new reservoir next to it Comment
  UCR1398  Spergula arvensis Frank C. Vasek 1960-4-9 600409- 10 San Luis Obispo Central Coast, Los Osos [Valley] Road, 2 miles east of Los Osos 15 Comment
  OBI71687  Spergularia macrotheca David J. Keil 1988-7-2 20873 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  SD232655  Spergularia macrotheca var. macrotheca G. Helmkamp 1996-5-24 1041 San Luis Obispo Central Coast, Los Osos; 0.6 mi east of South Bay Blvd along trail to quarry. 93 Comment
  UCR123157  Spergularia macrotheca var. macrotheca George K. Helmkamp, E. A. Helmkamp 2002-4-16 7410 San Luis Obispo Central Coast, Park Ridge 0.5 mi east of Morro Bay near Turri Road 76 Comment
  UCR91822  Spergularia macrotheca var. macrotheca George K. Helmkamp 1996-5-24 1041 San Luis Obispo Central Coast, Los Osos, along trail to quarry, 0.6 mile east of South Bay Blvd. 95 Comment
  RSA0097699  Spergularia marina George K. Helmkamp, E. A. Helmkamp 1999-5-22 4915 San Luis Obispo Los Osos, N of the corner of Buckskin & Martingale streets. 61 Comment
  UCR131089  Spergularia marina George K. Helmkamp, E. A. Helmkamp 1999-5-22 4915 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  OBI79029  Spergularia rubra David J. Keil 2013-8-22 31904 San Luis Obispo Morro Bay State Park. Between 1743 and 1800 Turri Road (from 35.330341 deg. , -120.812458 deg. to 35.327170 deg. , -120.808337 deg. ) 9 Comment
  OBI64847  Spergularia villosa David J. Keil 2001-5-3 29402 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Ca. 35.33158 deg. N x 120.75450 deg. W Comment
  SBBG118508  Spergularia villosa E. Painter, M. Wetherwax with J. Olson 2002-4-23 SLO 242 San Luis Obispo NW side of Cerro Romualdo; Camp San Luis Obispo 200 Comment
  SBBG118511  Spergularia villosa E. Painter, M. Wetherwax with J. Olson 2002-4-23 SLO 243 San Luis Obispo NW side of Cerro Romualdo; Camp San Luis Obispo 200 Comment
  OBI71652  Stachys bullata David J. Keil 1988-7-2 20834 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  UC1124930  Stachys bullata C. M. Belshaw 1936-3-23 1715 San Luis Obispo 1.4 mi ssw Hollister Pk. (near Plot 3); Cayucos Quadrangle 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
  UCR131349  Stachys bullata George K. Helmkamp, E. A. Helmkamp 1999-5-22 4905 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR24805  Stachys chamissonis George K. Helmkamp 1981-6-20 s.n. San Luis Obispo Los Osos. Alongside the dry bed of the creek leading N out of Ito's Lake. 61 Comment
  OBI64835  Stachys pycnantha David J. Keil, with Michael Curto 2001-5-15 29454 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  SBBG104532  Stachys pycnantha F. L. Johnson 1993-6-23 ROB 690 San Luis Obispo Chorro Crk at bicycle repair facility; Camp San Luis Obispo Comment
  SBBG119410  Stachys pycnantha M. Wetherwax, E. Painter 1999-11-15 SLO 17 San Luis Obispo Poison Oak Crk, ca. 2.5 air km NW of Cerro Romualdo, base of ridge W of O'Connor Way, W of Sutter Rd 100 Comment
  UC2013169  Stachys pycnantha David Keil 1979-7-1 13113 San Luis Obispo San Luis Range, lower Prefumo Canyon. 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
  UCR122592  Stellaria media George K. Helmkamp 1995-11-23 113 San Luis Obispo Central Coast, Junction of Martingale Avenue and Buckskin Drive in Los Osos 46 Comment
  UCR131351  Stellaria media George K. Helmkamp, E. A. Helmkamp 1999-5-22 4902 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 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
  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
  OBI71679  Stephanomeria elata David J. Keil 1988-7-2 20863 San Luis Obispo Morro Bay State Park, east of South Bay Blvd Comment
  OBI79537  Stephanomeria elata David J. Keil 2013-9-6 32034 San Luis Obispo Morro Bay State Park. Northeast of Los Osos Middle School 25 Comment
  UC454307  Stephanomeria elata E. P. Unangst 1906-9-1 San Luis Obispo Cuesta Comment
  UC771649  Stephanomeria elata R. F. Hoover 1946-8-26 6351 San Luis Obispo Los Osos Valley Comment
  UCR13915  Stephanomeria virgata George K. Helmkamp 1973-8-8 s.n. San Luis Obispo Central Coast, Morro Bay, Baywood Park, hillside c. 1 mi from ocean 3 Comment
  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
  OBI29013  Stipa pulchra David J. Keil 1982-6-4 16184 San Luis Obispo El Chorro Regional Park NE of San Luis Obispo. Ca. 1 mi E of County Educational Facility, just E of old washed out bridge 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
  UC1063486  Streptanthus albidus subsp. peramoenus C. M. Belshaw 1936-3-25 1726 San Luis Obispo 3.6 mi ene Valencia Peak (Plot 11); Cayucos Quadrangle 396 Comment
  UC1063487  Streptanthus albidus subsp. peramoenus B. Bolt 1936-3-13 615 San Luis Obispo 1 mi w Cerro Romauldo (Plot 99); San Luis Obispo Quadrangle Comment
  UC569974  Streptanthus albidus subsp. peramoenus C. M. Belshaw 1936-3-25 1726 San Luis Obispo 3.6 ene Valencia Peak; Cayucos Quadrangle 396 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
  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
  OBI64860  Symphyotrichum chilense David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29420 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI73264  Symphyotrichum chilense Michael Walgren 2010-9-27 182 San Luis Obispo Vicinity of Los Osos along Los Osos Valley rd near, and W of Clark Valley rd Comment
  OBI80435  Symphyotrichum chilense David J. Keil 1985-6-19 18898 San Luis Obispo Along dirt road west from Clark Valley Rd. ca. 300-400m South of Blue Heron View Way. 100 Comment
  SBBG104875  Symphyotrichum chilense F. L. Johnson, N. A. McCarty 1993-10-14 ROB 718 San Luis Obispo Chorro Crk in cantonment area; Camp San Luis Obispo Comment
  UC455793  Symphyotrichum chilense E. P. Unangst 1906-9-1 San Luis Obispo Cuesta Comment
  UC1927740  Symphyotrichum subspicatum David Keil with Tina Teed and Lisa Andreano 2001-5-8 29490 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch S of Hwy 1, W of Cuesta College campus. Comment
  UC455795  Symphyotrichum subspicatum E. P. Unangst 1907-7-1 San Luis Obispo Perfumo Canyon, S. L. O. [San Luis Obispo] 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
  OBI11894  Taraxia ovata Robert F. Hoover 1948-3-4 7425 San Luis Obispo Osos Valley Comment
  SBBG16081  Taraxia ovata M. A. Piehl 1963-4-21 6398 San Luis Obispo Los Osos Valley Rd, ca. 1 mi E of Los Osos 10 Comment
  UC454561  Taraxia ovata I. J. Condit 1908-4-4 San Luis Obispo Osos Valley Comment
  CAS-BOT-BC399680  Thalictrum fendleri Alice Eastwood; John Thomas Howell 1938-6-14 5925 San Luis Obispo Prefumo Canyon Comment
  UCR134432  Thalictrum fendleri var. polycarpum George K. Helmkamp, E. A. Helmkamp 2001-4-29 6559 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  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
  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
  OBI74987  Thysanocarpus curvipes Michael Walgren 2011-3-3 217 San Luis Obispo Los Osos State Reserve off Los Osos Valley Rd near Los Osos 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
  SBBG117498  Torilis nodosa M. Wetherwax, E. Painter 1999-7-13 SLO 2 San Luis Obispo near water tank above cantonment area, W of St Hwy 1; Camp San Luis Obispo 120 Comment
  CAS-BOT-BC169225  Toxicodendron diversilobum John Thomas Howell; Alice Eastwood 1938-6-14 5921 San Luis Obispo Prefumo Canyon Comment
  UCR42813  Trifolium David J. Keil 1979-4-29 13055 San Luis Obispo Upper Prefumo Canyon Road Comment
  OBI64816  Trifolium albopurpureum David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29413 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI64818  Trifolium bifidum David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29411 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI64858  Trifolium bifidum David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29421 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  SBBG118097  Trifolium bifidum var. decipiens M. Wetherwax, E. Painter 2003-4-1 SLO 310 San Luis Obispo W side of Cerro Romualdo; Camp San Luis Obispo 250 Comment
  UC1129965  Trifolium depauperatum var. amplectens C. M. Belshaw 1936-3-23 1713 San Luis Obispo 1.4 mi ssw Hollister Park; Cayucos quad 106 Comment
  RSA17780  Trifolium depauperatum var. truncatum Carl B. Wolf 1929-4-15 3593 San Luis Obispo 8 miles west of San Luis Obispo on road to Morro Bay 91 Comment
  SBBG118098  Trifolium depauperatum var. truncatum E. L. Painter, M. Wetherwax 2000-3-21 SLO 51 San Luis Obispo K-1 Training Area, saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  SBBG118172  Trifolium depauperatum var. truncatum M. Wetherwax, E. L. Painter 2003-4-1 SLO 308 San Luis Obispo W side of Cerro Romualdo, in meadow; Camp San Luis Obispo 250 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
  SBBG118057  Trifolium dubium E. Painter, Wetherwax, D. Keil 2000-4-18 SLO 96 San Luis Obispo seep E of pipe from water tower on Cerro Romualdo; Camp San Luis Obispo 120 Comment
  CDA43  Trifolium fucatum C. C. Wilson 1935-4-11 s.n. San Luis Obispo Morro Bay. 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
  SBBG118081  Trifolium hirtum A. Dilworth, J. Goldzman 1998-4-15 San Luis Obispo vicinity of CalTrans Building, Training Area N, LCTA Plot 311; Camp San Luis Obispo 165 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
  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
  UCR131092  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 1999-5-22 4912 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UCR134406  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2001-4-29 6566 San Luis Obispo South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos 91 Comment
  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
  SBBG118267  Trifolium microcephalum M. Wetherwax, E. Painter 2003-4-1 SLO 309 San Luis Obispo W side of Cerro Romualdo, along new, manmade unmapped trail from water tower to top of ridge; close to western post boundary; Camp San Luis Obispo 250 Comment
  CDA26360  Trifolium resupinatum David J. Keil 2005-3-3 San Luis Obispo Larry Kandarian property. 3255 Los Osos Valley Road, Los Osos. 0 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
  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
  CLARK-A1045-1364  Trifolium tridentatum George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay in pasture along Turri Road, 3.3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  OBI64815  Trifolium variegatum David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29414 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  RSA17779  Trifolium variegatum var. melananthum Carl B. Wolf 1929-4-15 3594 San Luis Obispo 8 miles west of San Luis Obispo on road to Morro Bay 91 Comment
  OBI64861  Trifolium willdenovii David J. Keil, with Tina Teed and Lisa Andreano 2001-5-8 29418 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  SBBG118174  Trifolium willdenovii E. L. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 97 San Luis Obispo seep E of pipe from water tower on Cerro Romualdo; Camp San Luis Obispo 120 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
  CLARK-A1045-1371  Triglochin concinna George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road at Morro Bay, salt marsh; Morro Bay S 7.5'Q Comment
  OBI9377  Triphysaria eriantha Robert F. Hoover 1967-3-18 10252 San Luis Obispo Los Osos Valley Comment
  UCR1396  Triphysaria eriantha Frank C. Vasek 1960-4-9 600409- 11 San Luis Obispo Central Coast, Los Osos [Valley] Road, 2 miles east of Los Osos 15 Comment
  UCR4758  Triphysaria eriantha Frank C. Vasek 1960-4-9 600409- 11 San Luis Obispo Central Coast, Los Osos [Valley] Road, 2 miles east of Los Osos 15 Comment
  UC1063427  Triphysaria eriantha subsp. eriantha C. M. Belshaw 1936-3-23 1706 San Luis Obispo 1.4 mi ssw Hollister Pk. (Plot 3); Cayucos Quad., ssw of Hollister Pk Comment
  UC2013275  Triphysaria eriantha subsp. eriantha Karen Gustafson 1984-3-4 35 San Luis Obispo At El Chorro Regional Park. Comment
  JEPS97101  Triphysaria pusilla M. D. Proctor and E. A. Young 1993-4-17 ROB 456 San Luis Obispo Cerro Romualdo, N side Camp San Luis Obispo Comment
  OBI64839  Triphysaria pusilla David J. Keil 2001-5-3 29404 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus Comment
  OBI9355  Triphysaria pusilla Robert F. Hoover 1968-3-9 10897 San Luis Obispo Pennington Crk Comment
  SBBG104574  Triphysaria pusilla M. D. Proctor, E. A. Young 1963-4-17 ROB 456 San Luis Obispo N side of Cerro Romualdo; Camp San Luis Obispo Comment
  UCR15490  Triphysaria pusilla George K. Helmkamp 1978-4-23 s.n. San Luis Obispo 3.3 mi up Turri Road from Morro Bay 38 Comment
  OBI64822  Triticum aestivum David J. Keil, with Michael Curto 2001-5-15 29467 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  OBI64824  Triticum aestivum David J. Keil, with Michael Curto 2001-5-15 29465 San Luis Obispo Campus of California Polytechnic State University. Chorro Creek Ranch south of Highway 1, west of Cuesta College campus. Comment
  SBBG117794  Turritis glabra E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 89 San Luis Obispo Cerro Romualdo; Camp San Luis Obispo 120 Comment
  UCSB70186  Typha angustifolia Ferren, Wayne; Hamilton, Jason 1993-7-19 San Luis Obispo Los Osos Creek. Comment
  OBI78842  Typha domingensis David J. Keil 2013-8-29 31992 San Luis Obispo Morro Bay State Park. Just east of South Bay Blvd on south side of Los Osos Creek estuary 2 Comment
  OBI78709  Urtica dioica David J. Keil 2013-8-28 31975 San Luis Obispo Morro Bay State Park. East of South Bay Blvd at northern edge of park along unpaved access road to pumphouse. Area of former campground. 5 Comment
  UC455254  Urtica dioica subsp. holosericea E. P. Unangst 1906-9-1 San Luis Obispo Cuesta Comment
  SBBG117875  Urtica urens M. Wetherwax, E. Painter 2000-3-21 SLO 41 San Luis Obispo saddle between Cerro Romualdo and Cerro Chumash; Camp San Luis Obispo 120 Comment
  OBI71681  Verbena lasiostachys var. scabrida David J. Keil 1988-7-2 20865 San Luis Obispo Morro Bay State Park, east of South Bay Blvd 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
  OBI37699  Veronica anagallis-aquatica Eric Wise 1981-6-15 619 San Luis Obispo Turri Rd, 1 mi E of So. Bay Blvd Comment
  SBBG110178  Veronica persica C. B. Hardham 1961-5-10 San Luis Obispo 0.5 mi inland from Morro Bay 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
  UCR24797  Vicia benghalensis George K. Helmkamp 1981-6-21 s.n. San Luis Obispo Morro Bay area, Los Osos, near the Bay. Hills south of Los Osos, on Clark Canyon Road, c. 1.5 mi. south of Los Osos road. 91 Comment
  UCR6164  Vicia benghalensis C. M. Bringle 1967-3-20 670320- 27 San Luis Obispo near Lake Laguna on north side of Los Osos Road, at junction with Buckskin Drive. Edge of pavement on W side of Buckskin 91 Comment
  CLARK-A1045-1355  Vicia californica George K. Helmkamp 1978-4-23 San Luis Obispo Morro Bay Turri Road, 3.3 miles east of Morro Bay; Morro Bay S 7.5'Q Comment
  SBBG118087  Vicia hassei E. Painter, M. Wetherwax, D. Keil 2000-4-18 SLO 81 San Luis Obispo Cerro Romualdo; Camp San Luis Obispo 150 Comment
  SBBG67502  Vicia nigricans var. gigantea J. Hopkins 1953-3-7 San Luis Obispo Morro Bay Comment
  SBBG67503  Vicia nigricans var. gigantea J. Hopkins 1953-3-7 San Luis Obispo Morro Bay Comment
  SBBG85173  Vicia nigricans var. gigantea J. W. Hopkins 1953-3-7 San Luis Obispo Morro Bay 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
  UC1130211  Vicia sativa C. M. Belshaw 1936-3-25 1724 San Luis Obispo 5.6 mi ssw Hollister Peak; Cayucos Quad. 304 Comment
  UCR131110  Vicia sativa subsp. sativa George K. Helmkamp, E. A. Helmkamp 1999-5-22 4906 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 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
  UCR187523  Vicia sativa subsp. sativa George K. Helmkamp 1996-5-27 1101 San Luis Obispo Central Coast, Los Osos, northeast of the corner of Martingale Avenue and Buckskin Drive 61 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
  UCR131087  Vicia villosa subsp. varia George K. Helmkamp, E. A. Helmkamp 1999-5-22 4917 San Luis Obispo Central Coast, Los Osos; north of the corner of Buckskin Dr. & Martingale Ave. 61 Comment
  UC639003  Vicia villosa subsp. villosa B. E. and H. J. Miossi 1939-6-4 96 a San Luis Obispo 1 mi s Sunnyside School (at roadside of Los Osos Valley Road) 53 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
  OBI79028  Vinca major David J. Keil 2013-8-22 31903 San Luis Obispo Morro Bay State Park. Between 1743 and 1800 Turri Road (from 35.330341 deg. , -120.812458 deg. to 35.327170 deg. , -120.808337 deg. ) 9 Comment
  SBBG117867  Vinca major E. Painter, M. Wetherwax 1999-11-15 SLO 20 San Luis Obispo Cantonment area, along Chorro Crk, N of Colusa Ave, near power pole 1425; Camp San Luis Obispo 100 Comment
  UC1121600  Viola pedunculata C. M. Belshaw 1936-3-23 1708 San Luis Obispo 1.4 mi ssw of Hollister Peak 106 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
  OBI72551  Vitis vinifera E. L. Painter & M. Wetherwax, M. Wetherwax 1999-11-15 SLO- 24 b San Luis Obispo Camp San Luis Obispo. Chorro Crk, above confluence of main channel nd branch Comment
  RSA617154  Vulpia bromoides George K. Helmkamp 1996-5-24 1024 San Luis Obispo State Park System north of Turri Road and 1.5 miles east of South Bay Boulevard. 95 Comment
  SBBG101160  Xanthium spinosum F. L. Johnson, N. A. McCarty 1993-10-14 ROB 717 San Luis Obispo Chorro Crk in cantonment area; Camp San Luis Obispo 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
  OBI71673  Zeltnera davyi David J. Keil 1988-7-2 20855 San Luis Obispo Morro Bay State Park, east of South Bay Blvd 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
  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
  UCSB70183  Zostera marina Ferren, Wayne; Hamilton, Jason 1993-7-19 San Luis Obispo Los Osos Creek. Comment



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