35.07960 35.17960 -120.61590 -120.51590 UC/JEPS: Consortium Search Results
Search Results — 1299 specimen records retrieved (1299 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  GH376140  Abronia maritima M. K. Brandegee Unknown Oceano Comment
  RSA460934  Abronia maritima E. A. Purer 1931-8-6 14537 San Luis Obispo Oceano Comment
  SD41423  Abronia maritima Edith A. Purer 1932-8-28 4843 San Luis Obispo Oceano Comment
  UC149958  Abronia maritima Katharine Brandegee 1911-5-27 San Luis Obispo Oceano Comment
  UCD109626  Abronia maritima P. B. Kennedy 1927-7-12 s.n. San Luis Obispo San Luis Obispo County: Oceano. Comment
  CAS-BOT-BC229434  Abronia umbellata Katharine Brandegee No date on label s.n. San Luis Obispo Oceano Comment
  CDA17558  Abronia umbellata Austin Griffiths, Craig Cunningham 1980-5-25 s.n. San Luis Obispo Oceano Dunes; NE of Little Coreopsis Hill beyond first major dune system. 0 Comment
  OBI58109  Abronia umbellata Austin P. Griffiths 1981-9-21 s.n. San Luis Obispo Oceano Dunes. On 2nd ridge N of "Beach Trl" just E of foredunes (NNE of Warning Sign) Comment
  SBBG69812  Abronia umbellata R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  SD41434  Abronia umbellata Edith A. Purer 1931-8-7 2222 San Luis Obispo Oceano Comment
  SD41435  Abronia umbellata Edith A. Purer 1932-8-28 4841 San Luis Obispo Oceano. Comment
  SD90162  Abronia umbellata Benjamin C. Stone 1952-6-25 144 San Luis Obispo Oceano, on California Highway 1. Comment
  OBI58005  Abronia umbellata var. umbellata Austin P. Griffiths, Craig Cunningham 1980-5-25 s.n. San Luis Obispo Oceano Dunes. Just NE of Little Coreopsis Hill beyon first major dune system Comment
  OBI13403  Acacia longifolia Richard Hays 1957-11-27 s.n. San Luis Obispo Oceano Comment
  OBI73546  Acacia longifolia David J. Keil 2010-7-20 30920 San Luis Obispo Along Country Oak Way, east of Arroyo Grande, between Thomas Hill Road and Lopez Drive 100 Comment
  OBI56320  Acacia melanoxylon David J. Keil 1999-3-23 28216 San Luis Obispo Pismo Beach. Along El Camino Real northwest of Oak Park Road. Comment
  CHSC85706  Acacia neriifolia Austin P. Griffiths 1978-1-31 San Luis Obispo Central Coast. Abandoned homesite at NW corner 21st St. and US Hwy, Oceano. 15 Comment
  UCR115284  Acacia neriifolia Austin P. Griffiths 1978-1-31 s.n. San Luis Obispo Central Coast, Oceano, abandoned homesite at NW corner of 21st Street and US Hwy 11 Comment
  UCR140079  Acer macrophyllum George K. Helmkamp 2004-4-1 8420 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
  OBI57889  Acer negundo David J. Keil 2000-3-8 28436 San Luis Obispo Arroyo Grande. At the swinging bridge over Arroyo Grande Creek. Comment
  UCR140374  Acer negundo George K. Helmkamp 2004-3-19 8381 San Luis Obispo Central Coast, Arroyo Grande, along Traffic Way south of Grand Ave. at Arroyo Grande Creek 24 Comment
  GH363612  Acer negundo var. californicum W. H. Brewer 1860-4-12 433 Unknown Arroyo Grande, near S. Luis Obispo Comment
  RSA696454  Acer negundo var. californicum Keith E. Hoffmaster 1935-7-1 612 San Luis Obispo Near Arroyo Grande Comment
  UC18106  Acer negundo var. californicum W. H. Brewer 1861-4-12 433 San Luis Obispo Arroyo Grande Comment
  UC29292  Achyrachaena mollis Alice King 1900-1-1 San Luis Obispo Arroyo Grande Comment
  OBI13006  Acmispon glaber var. glaber Robert F. Hoover 1946-6-28 6199 San Luis Obispo Oak Park district Comment
  OBI27086  Acmispon glaber var. glaber Jim Souza 1981-1 San Luis Obispo Grover City Comment
  OBI57971  Acmispon heermannii var. orbicularis Austin P. Griffiths, R. A. Lawton 1980-5-30 s.n. San Luis Obispo Oceano Dunes. At back brow of Dune Buggy Hill Comment
  SBBG67358  Acmispon heermannii var. orbicularis R. Hoffmann 1930-4-19 San Luis Obispo Oceano Comment
  OBI13225  Acmispon junceus var. biolettii Robert F. Hoover 1966-5-15 9857 San Luis Obispo Oak Park District Comment
  OBI13227  Acmispon junceus var. biolettii Robert F. Hoover 1966-5-15 9857 San Luis Obispo Oak Park District Comment
  OBI13028  Acmispon strigosus Robert F. Hoover 1967-3-5 10242 San Luis Obispo Upper Arroyo Grande Comment
  OBI13031  Acmispon strigosus Robert F. Hoover 1967-3-5 10242 San Luis Obispo Upper Arroyo Grande Comment
  UCD104464  Acmispon strigosus John C. Tothill 1960-1 s.n. San Luis Obispo San Luis Obispo County: Arroyo Grande. Comment
  OBI27093  Adenostoma fasciculatum Jim Souza 1981-1 s.n. San Luis Obispo Grover City Comment
  UC453991  Adenostoma fasciculatum Unangst 1906-5-17 San Luis Obispo Oak Park Comment
  JEPS36233  Agoseris heterophylla var. cryptopleura W. L. Jepson 1941-4-17 20259 San Luis Obispo Arroyo Grande Comment
  OBI17132  Agoseris heterophylla var. cryptopleura Robert F. Hoover 1967-4-12 10436 San Luis Obispo Upper Arroyo Grande Comment
  UC75802  Agoseris hirsuta Miss M. Alice King 1895-5-1 San Luis Obispo Arroyo Grande Arroyo Grande Comment
  CAS-BOT-BC127031  Agrostis exarata R. F. Hoover 1948-5-5 7523 San Luis Obispo Oak Park district. Comment
  OBI22546  Agrostis exarata Robert F. Hoover 1948-5-5 7523 San Luis Obispo Oak Park district Comment
  OBI57104  Agrostis hooveri G. F. Hrusa 1995-5-2 12229 San Luis Obispo Black Butte Research Natural Area 600 Comment
  OBI82443  Agrostis hooveri David J. Keil, with V. L. Holland 2015-6-19 33250 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 125 Comment
  OBI73591  Agrostis pallens David J. Keil 2010-7-2 30903 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  RSA769866  Agrostis pallens David J. Keil 2010-7-2 30903 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel 100 Comment
  OBI73578  Agrostis stolonifera David J. Keil, with V. L. Holland 2010-6-15 30889 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  RSA770155  Agrostis stolonifera David J. Keil, V. L. Holland 2010-6-15 30889 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. 100 Comment
  OBI80006  Aira caryophyllea David J. Keil, with V. L. Holland 2013-6-12 31799 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  OBI82235  Aira caryophyllea David J. Keil, with V. L. Holland 2015-5-11 33184 San Luis Obispo Arroyo Grande, 400 Aloma Way 90 Comment
  RSA714095  Albizia lophantha George K. Helmkamp 2003-12-18 8234 San Luis Obispo Arroyo Grande, Courtland Ave. one block S of Grand Ave. Brooklyn Creek, opposite San Francisco. 15 Comment
  UCR141941  Albizia lophantha George K. Helmkamp 2003-12-18 8234 San Luis Obispo Central Coast, Arroyo Grande, Courtland Ave. one block south of Grand Ave. 15 Comment
  SBBG57509  Allium R. Hoffmann 1930-4-19 San Luis Obispo Oceano Comment
  OBI44931  Amaranthus albus David J. Keil 1984-7-20 18313 San Luis Obispo E of Arroyo Grande along Lopez Lake Rd jctn with Cecchetti Rd Comment
  OBI44933  Amaranthus deflexus David J. Keil 1984-7-20 18311 San Luis Obispo E of Arroyo Grande along Lopez Lake Rd jctn with Cecchetti Rd Comment
  RSA720302  Amaranthus deflexus George K. Helmkamp 2003-7-31 8061 San Luis Obispo Central Coast: west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  SBBG95635  Amaranthus deflexus D. Keil 1984-7-20 18311 San Luis Obispo E of Arroyo Grande along Lopez Lake Rd at jct w Cecchetti Rd Comment
  UCR132048  Amaranthus deflexus George K. Helmkamp 2003-7-31 8061 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  IRVC28952  Amaranthus palmeri G. K. Helmkamp 2003-9-21 8167 San Luis Obispo Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande Central Coast 46 Comment
  UCR134380  Amaranthus palmeri George K. Helmkamp 2003-9-21 8167 San Luis Obispo Central Coast, Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande 46 Comment
  OBI44932  Amaranthus powellii David J. Keil 1984-7-20 18312 San Luis Obispo E of Arroyo Grande along Lopez Lake Rd jctn with Cecchetti Rd Comment
  OBI79797  Amaranthus powellii David J. Keil 2011-12-11 31207 San Luis Obispo Arroyo Grande. Southwest of intersection of P.C. Railway and E. Cherry Ave 39 Comment
  UCR147226  Amaranthus retroflexus George K. Helmkamp, E. A. Helmkamp 2004-8-15 8785 San Luis Obispo Central Coast, Nipomo Mesa. Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi S. of jct. of Halcyon Rd., SE of Oceano 76 Comment
  OBI57762  Ambrosia chamissonis Austin P. Griffiths, R. A. Lawton 1980-5-30 s.n. San Luis Obispo Oceano Dunes. On innermost primary remnant dunes just e of Dune Buggy Hill Comment
  SBBG61142  Ambrosia chamissonis R. Hoffmann 1930-4-17 San Luis Obispo Arroyo Grande Comment
  SD39983  Ambrosia chamissonis Edith A. Purer 1932-8-28 4839 San Luis Obispo Oceano, open sand dunes Comment
  SD39987  Ambrosia chamissonis Edith A. Purer 1931-8-6 2245 San Luis Obispo Oceano sand dunes Comment
  OBI59258  Ambrosia psilostachya David J. Keil, with Lawrence M. Kelly, Kathryn Bay, and Frieda Wertman 1988-11-12 21196 San Luis Obispo Near summit along California Route 227 between San Luis Obispo and Arroyo Grande. 213 Comment
  RSA749094  Ambrosia psilostachya David J. Keil, Lawrence M. Kelly, Kathryn Bay, Frieda Wertman 1988-11-12 21196 San Luis Obispo Near summit along CA Route 227 between San Luis Obispo and Arroyo Grande. Mosaic of coast live oak woodland, chaparral, and coastal scrub. 183 Comment
  UC1928026  Ambrosia psilostachya David Keil, Lawrence M. Kelly, Kathryn Bay, and Frieda Wertman 1988-11-12 21196 San Luis Obispo Near summit along California Route 227 between San Luis Obispo and Arroyo Grande. 182 Comment
  OBI3082  Ammophila arenaria Larry E. Brown 1971-5-12 1989 San Luis Obispo At Grover City Comment
  RSA129278  Ammophila arenaria H. C. Lee 1936-3-14 502 San Luis Obispo Oceano Beach. Arroyo Grande 6 Comment
  SD41379  Ammophila arenaria Edith A. Purer 1931-8-6 2244 San Luis Obispo Oceano. Comment
  UC13280  Amorpha californica var. californica Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  UC73264  Amorpha californica var. californica Miss M. Alice King June, 1895 San Luis Obispo Arroyo Grande Comment
  UC174977  Amsinckia Katharine Brandegee San Luis Obispo Oceano Comment
  UC1061785  Amsinckia douglasiana N. K. Carlson 1936-3-18 136 San Luis Obispo .6 mi ssw of Picacho 99 Comment
  SEINET1004407  Amsinckia intermedia George K. Helmkamp 2004-1 8293 San Luis Obispo Central Coast: SE of Oceano along Halcyon Rd, 0.2 mi E of Mesa View Dr (Hwy CA-1) 76 Comment
  UC174975 Image available Amsinckia intermedia Katharine Brandegee San Luis Obispo Oceano; ; Oceans Comment
  UCR140075  Amsinckia intermedia George K. Helmkamp 2004-4-1 8411 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
  UCR140106  Amsinckia intermedia George K. Helmkamp 2004-2-7 8255 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd., just east of Mesa View Dr. 76 Comment
  UCR140404  Amsinckia intermedia George K. Helmkamp 2004-2-17 8293 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd, 0.2 mi east of Mesa View Dr (Calif. Hwy 1) 76 Comment
  UCR158739  Amsinckia retrorsa George K. Helmkamp, E. A. Helmkamp 2005-4-17 9369 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  RSA710337  Amsinckia spectabilis George K. Helmkamp 2004-3-15 8371 San Luis Obispo Central Coast: edge of Nipomo Mesa overlooking Cienaga Valley, along CA-1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  SD41398  Amsinckia spectabilis Edith A. Purer 1931-8-6 San Luis Obispo Oceano Comment
  UC1178219  Amsinckia spectabilis Sherwin Carlquist 1952-4-4 San Luis Obispo 1.3 mi s of Oceano (s of Pismo Beach) Comment
  UC455986  Amsinckia spectabilis unknown Feb., 1905 174 San Luis Obispo Arroyo Grande Comment
  RSA499987  Amsinckia spectabilis var. microcarpa E. A. Purer 1931-8-5 14040 San Luis Obispo Between Oceano and Pismo Beach. Comment
  UC24610  Amsinckia spectabilis var. microcarpa Alice King Apr 1895 San Luis Obispo Arroyo Grande Comment
  UCR140383  Amsinckia spectabilis var. spectabilis George K. Helmkamp 2004-3-15 8371 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  SD186308  Anagallis arvensis G. K. Helmkamp 2003-7-31 8067 San Luis Obispo Central Coast; west edge of Nipomo Hill at junction of Cienega Rd. and Valley View Road 14 Comment
  UC1123234  Anagallis arvensis N. K. Carlson 1936-3-18 131 San Luis Obispo 0.6 mi. s.-s.w. Picacho (Plot 2); Arroyo Grande Quad. 99 Comment
  UCR132017  Anagallis arvensis George K. Helmkamp 2003-7-31 8067 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR158742  Anagallis arvensis George K. Helmkamp, E. A. Helmkamp 2005-4-17 9372 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  OBI79999  Anthemis cotula David J. Keil, with V. L. Holland 2013-6-12 31801 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  JEPS35090  Antirrhinum kelloggii R. F. Hoover 1947-3-19 6695 San Luis Obispo Oak Park District Comment
  OBI9736  Antirrhinum kelloggii Robert F. Hoover 1947-3-19 6695 San Luis Obispo Oak Park district Comment
  UC126601  Antirrhinum kelloggii H. M. Hall 1907-5-11 7694 San Luis Obispo Oak Park Comment
  UC26377  Antirrhinum kelloggii Alice King Apr 1895 San Luis Obispo Arroyo Grande Comment
  UC72025  Aphanes occidentalis Miss M. Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UC771676  Apium graveolens R. F. Hoover 1946-8-25 6339 San Luis Obispo Ocean Beach Comment
  UC75784  Arabis glabra Miss M. Alice King Mar 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC44380  Arctostaphylos pilosula Walter Knight; Irja Knight; Tiffany Knight 1988-7-27 6286 San Luis Obispo On Ormonde Rd. off of Price Canyon Rd. from Pismo Beach. 155 Comment
  OBI14562  Arctostaphylos pilosula Mrs. Robert F. Hoover 1962-1-13 9 San Luis Obispo Arroyo Grande Comment
  OBI60949  Arctostaphylos pilosula G. F. Hrusa 1999-2-24 14922 San Luis Obispo Hwy 227, at corner of Noyes rd, at top of hill Comment
  OBI70808  Arctostaphylos pilosula David J. Keil, with V. L. Holland 2009-6-16 30618 San Luis Obispo Between San Luis Obispo and Arroyo Grande. Area southeast of intersection of California Highway 227 (Carpenter Canyon Road) and Noyes Road in vicinity of high tension line corridor. Vic. 35 deg. 9.9'N x 120 deg. 34.9'W. Comment
  OBI73580  Arctostaphylos pilosula David J. Keil, with V. L. Holland 2010-6-15 30892 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  SBBG127411  Arctostaphylos pilosula D. Keil, V. L. Holland 2010-6-15 30892 San Luis Obispo between San Luis Obispo and Arroyo Grande at 615 Ormonde Rd, S of intersection of Ormonde Rd with Price Cyn Rd 100 Comment
  SBBG54693  Arctostaphylos pilosula C. Bornstein, E. Collins 2006-9-21 San Luis Obispo N of Arroyo Grande, Noyes Rd, ca. 2.4 mi N of jct with Oak Park Rd 298 Comment
  UC1309706  Arctostaphylos pilosula A. E. Wieslander 1936-2-26 610 San Luis Obispo 1 1/2 mi sw Asphalt Mine; Arroyo Grande Quadrangle 106 Comment
  UC1334940  Arctostaphylos pilosula H. C. Lee 1936-2-26 425 San Luis Obispo s Los Berros Creek (near Hwy 1); Arroyo Grande Quadrangle 121 Comment
  OBI27081  Arctostaphylos rudis Jim Souza 1981-2-1 s.n. San Luis Obispo Grover City Comment
  CDA16132  Arctostaphylos wellsii G. F. Hrusa 1999-2-24 14922 San Luis Obispo South Coast Ranges; Hwy 227, at corner of Noyes Rd, at top of hill. 0 Comment
  CDA10103  Arctotheca prostrata G. K. Helmkamp 2004-2-7 8263 San Luis Obispo Central Coast; SE of Oceano along Halcyon Rd., just E of Mesa View Dr. Comment
  UCR140758  Arctotheca prostrata George K. Helmkamp 2004-2-7 8263 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd., just east of Mesa View Dr. 76 Comment
  SBBG69934  Arenaria paludicola R. Hoffmann 1930-4-18 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC90146  Artemisia biennis H. M. Hall 1919-10-17 s.n. San Luis Obispo Oceano Comment
  OBI27085  Artemisia californica Jim Souza 1981-2-1 s.n. San Luis Obispo Grover City Comment
  SD186065  Artemisia californica G. K. Helmkamp 2003-7-29 8033 B San Luis Obispo 0.6 mile south of Nipomo Hill in Arroyo Grande. 46 Comment
  UCR132040  Artemisia californica George K. Helmkamp 2003-7-29 8033 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  SD41468  Artemisia douglasiana Edith A. Purer 1932-8-28 San Luis Obispo Oceano Comment
  UC1751205  Artemisia douglasiana H. M. Hall 1919-10-16 San Luis Obispo Oceano Comment
  RSA734397  Artemisia vulgaris var. heterophylla Keith E. Hoffmaster 1935-7-1 653 San Luis Obispo Near Arroyo Grande Comment
  OBI79112  Arundo donax David J. Keil 2011-11-5 31164 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Vicinity of intersection of Mountain View Drive and Halcyon Road 15 Comment
  OBI80086  Asparagus asparagoides David J. Keil, V. L. Holland 2013-6-12 31803 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  UCR132142  Aster lanceolatus subsp. hesperius George K. Helmkamp 2003-10-24 8214 San Luis Obispo Central Coast, El Campo Rd 0.1 mi east of Los Berros Rd, SE of Arroyo Grande 46 Comment
  UCR140407  Aster subulatus var. ligulatus George K. Helmkamp 2004-2-19 8301 A San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park, along Mesa View Dr (Calif. Hwy 1), 0.2 mi south of the jct with Halcyon Rd. 61 Comment
  OBI40650  Astragalus curtipes David J. Keil 1981-3-7 14280 San Luis Obispo Along rd to Lopez lake about 2 mi W of the dam Comment
  UCR42857  Astragalus curtipes David J. Keil 1981-3-7 14280 San Luis Obispo Along road to Lopez Lake c. 2 mi. west of the Dam. Comment
  CAS-BOT-BC182918  Astragalus douglasii Alice Eastwood; John Thomas Howell 1937-4-30 4161 San Luis Obispo In the upper Arroyo Grande Comment
  SBBG68237  Astragalus nuttallii R. Hoffmann 1930-4-18 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC186528  Astragalus nuttallii var. nuttallii R. F. Hoover 1948-11-13 7559 San Luis Obispo West of Oceano Comment
  CAS-BOT-BC186537  Astragalus nuttallii var. nuttallii R. F. Hoover 1948-11-13 7559 San Luis Obispo West of Oceano Comment
  OBI13319  Astragalus nuttallii var. nuttallii Robert F. Hoover 1948-11-13 7559 San Luis Obispo West of Oceano Comment
  UC1285225  Astragalus nuttallii var. nuttallii R. F. Hoover 1948-11-13 7559 San Luis Obispo w Oceano; w of Oceano Comment
  UC454089  Astragalus nuttallii var. nuttallii I. J. Condit 1909-9-6 San Luis Obispo Oceano Oceano (among sand hills) Comment
  UC1128858  Astragalus pomonensis H. C. Lee 1936-3-23 531 San Luis Obispo 1 1/2 mi w Arroyo Grande; Arroyo Grande Quad., San Luis Obispo National Forest Comment
  OBI79554  Athyrium filix-femina David J. Keil 2012-7-18 31442 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Mountain View Drive between Halcyon Road and railroad trestle 13 Comment
  SBBG130683  Athyrium filix-femina var. cyclosorum D. J. Keil 2012-7-18 31442 San Luis Obispo western slope of Nipomo Mesa overlooking agricultural fields, Mtn View Drive between Halcyon Rd and railroad trestle 13 Comment
  SD244536  Athyrium filix-femina var. cyclosorum David J. Keil 2012-7-18 31442 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Mountain View Drive between Halcyon Road and railroad trestle. 13 Comment
  UC2027508  Athyrium filix-femina var. cyclosorum David J. Keil 2012-7-18 31442 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Mountain View Drive between Halcyon Road and railroad trestle. Comment
  SBBG72556  Atriplex prostrata R. Hoffmann 1930-4-19 San Luis Obispo Oceano Comment
  CHSC61245  Avena fatua T. B. Devine 1980-4-5 666 San Luis Obispo Along Frontage Road just e of Hwy 101 ca 1 mi s of Arroyo Grande. Comment
  UC1130860  Avena fatua N. K. Carlson 1936-3-18 141 San Luis Obispo 0.6 mi ssw Pichaco (Plot 2); Arroyo Grande Quadrangle 99 Comment
  SEINET6188358  Azolla filiculoides David Keil 1981-10-25 14272 -1 San Luis Obispo Just west of junction of Huasna and Branch Mill Road east of Arroyo Grande Comment
  UC455201  Azolla filiculoides I. J. Condit 1908-11-14 San Luis Obispo Oceano Comment
  UCD136021  Azolla filiculoides P. B. Kennedy 1927-7-13 s.n. San Luis Obispo San Luis Obispo County: Oceano, California. Comment
  OBI62115  Baccharis glutinosa P. A. Holden 1968-8-8 533 San Luis Obispo Grover City Comment
  JEPS40696  Baccharis pilularis W. L. Jepson 1940-10-3 20157 San Luis Obispo near Arroyo Grande Comment
  SD39663  Baccharis pilularis Edith A. Purer 1932-8-28 4856 San Luis Obispo Oceano, stabilized sand dunes. Comment
  OBI27091  Baccharis pilularis subsp. consanguinea Jim Souza 1981-2-1 San Luis Obispo Grover City Comment
  UCR140134  Bellis perennis George K. Helmkamp 2004-2-19 8300 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park, along Mesa View Dr (Calif. Hwy 1), 0.2 mi south of the jct with Halcyon Rd. 61 Comment
  UCR161234  Bellis perennis George K. Helmkamp, E. A. Helmkamp 2004-12-6 8875 San Luis Obispo Central Coast, Arroyo Grande Community Center, Ash and Elm Streets 30 Comment
  RSA451990  Berula erecta E. A. Purer 1931-1 s.n. San Luis Obispo Oceano Comment
  SD39671  Berula erecta Edith A. Purer 1931-8-7 San Luis Obispo Oceano Comment
  OBI82346  Bidens pilosa David J. Keil 2015-11-8 33436 San Luis Obispo California Route 227 between San Luis Obispo and Arroyo Grande, 0.2 miles southeast of junction with Noyes Road 175 Comment
  UCR134693  Bidens pilosa George K. Helmkamp 2003-9-21 8163 San Luis Obispo Central Coast, Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande 46 Comment
  OBI82444  Bloomeria crocea David J. Keil, with V. L. Holland 2015-6-19 33251 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 125 Comment
  CAS-BOT-BC7637  Bolboschoenus maritimus R. F. Hoover 1947-8-8 7356 San Luis Obispo Oceano. Comment
  CAS-BOT-BC31389  Bolboschoenus robustus R. F. Hoover 1947-8-8 7356 San Luis Obispo Oceano. Comment
  OBI5010  Bolboschoenus robustus Robert F. Hoover 1947-8-8 7356 San Luis Obispo Oceano Comment
  UC1126831  Brassica rapa N. K. Carlson 1936-3-18 137 San Luis Obispo .6 mi ssw of Picacho 99 Comment
  OBI79153  Brassica tournefortii David J. Keil 2011-11-5 31143 San Luis Obispo Oceano. Beach Street at railroad crossing, south side of street 8 Comment
  CDA26005  Briza minor Mark A. Elvin, LynneDee Althouse 2006-5-25 4917 San Luis Obispo Central Coastal; Northwest portion of Arroyo Grande; Old Oak Park site. Comment
  IRVC29497  Briza minor Mark A. Elvin, LynneDee Althouse 2006-5-25 4917 San Luis Obispo NW portion of Arroyo Grande; Old Oak Park site. Central Coastal 76 Comment
  UCR140380  Bromus carinatus var. maritimus George K. Helmkamp 2004-3-15 8369 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  OBI2617  Bromus catharticus Larry E. Brown 1971-2-21 1916 San Luis Obispo Roadside weed in Oceano Comment
  SD178099  Bromus catharticus G. K. Helmkamp 2004-3-21 8386 San Luis Obispo Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mile south of the junction of Hlacyon Road, southeast of Oceano. 60 Comment
  SEINET251659 Image available Bromus catharticus George K. Helmkamp 2004-3-21 8386 San Luis Obispo Central Coast: Mesa Duners Mobile Home Park along Mesa View Dr., 0.2 mi S. of the junction of Halcyon Rd. SE of O ceano ( Oceano 7.5.' Q) 61 Comment
  UCR132058  Bromus catharticus George K. Helmkamp 2003-7-31 8058 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR140396  Bromus catharticus George K. Helmkamp 2004-3-21 8386 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of the junction of Halcyon Rd., SE of Oceano 61 Comment
  UCR140080  Bromus diandrus George K. Helmkamp 2004-4-1 8414 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
  UCR141944  Bromus diandrus George K. Helmkamp 2003-12-18 8231 San Luis Obispo Central Coast, Arroyo Grande, Courtland Ave. one block south of Grand Ave. 15 Comment
  UCR140096  Bromus hordeaceus George K. Helmkamp 2004-4-1 8415 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
  UC1131225  Bromus madritensis subsp. rubens N. K. Carlson 1936-3-18 126 San Luis Obispo 1 mi e of Nipomo Hill 76 Comment
  UC1131252  Bromus madritensis subsp. rubens H. C. Lee 1936-3-3 449 San Luis Obispo 1/2 mi s of Reeds 152 Comment
  UCD59632  Bromus rubens A. A. Beetle 1942-4-25 3233 San Luis Obispo San Luis Obispo Co.: Rt. 101, Arroyo Grande. Comment
  SBBG26606  Cakile edentula J. Patman 1963-4-13 1113 San Luis Obispo just S of Oceano Comment
  SBBG26607  Cakile edentula J. Patman 1963-4-13 1113 San Luis Obispo just S of Oceano Comment
  SD38258  Cakile edentula var. edentula Edith A. Purer 1932-8-28 4842 San Luis Obispo Oceano Comment
  SACT000732  Calamagrostis nutkaensis Malcolm Nobs, S. Smith 1949-6-23 San Luis Obispo Strongly caespitose, clumps 1-2 feet across. Bog near Highway 1, ca. 4 miles south of Arroyo Grande. Comment
  CAS-BOT-BC233928  Calandrinia breweri R. F. Hoover 1947-3-19 6697 San Luis Obispo Oak Park district Comment
  CAS-BOT-BC233929  Calandrinia breweri R. F. Hoover 1947-3-19 6697 San Luis Obispo Oak Park district Comment
  OBI10816  Calandrinia breweri Robert F. Hoover 1947-3-19 6697 San Luis Obispo Oak Park district Comment
  RSA201665  Calandrinia breweri Robert F. Hoover 1947-5-19 6697 San Luis Obispo Oak Park district Comment
  SD71144  Calandrinia breweri R. F. Hoover 1947-3-19 6697 San Luis Obispo Oak Park district Comment
  UC1285081  Calandrinia breweri R. F. Hoover 1947-3-19 6697 San Luis Obispo Oak Park District Comment
  CAS-BOT-BC438519  Calandrinia ciliata G. K. Helmkamp 2004-3-15 8368 San Luis Obispo Central Coast: edge of Nipomo Mesa overlooking Cienaga Valley, along CA-1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  SD178260  Calandrinia ciliata G. K. Helmkamp 2004-3-15 8368 San Luis Obispo Edge of Nipomo Mesa overlooking Cienaga Valley, along California 1, 0.3 mile north of Halcyon Road. 75 Comment
  SEINET1004404  Calandrinia ciliata George K. Helmkamp 2004-1 8295 San Luis Obispo Central Coast: SE of Oceano along Halcyon Rd, 0.2 mi E of Mesa View Dr (Hwy CA-1) 76 Comment
  UC1136621  Calandrinia ciliata N. K. Carlson 1936-3-18 149 San Luis Obispo 0.5 mi se Newsome Springs (Plot 3); Arroyo Grande Quadrangle 137 Comment
  UCD100143  Calandrinia ciliata A. S. Albert 1932-3-1 s.n. San Luis Obispo San Luis Obispo County: Oceano. Comment
  UCD100145  Calandrinia ciliata A. S. Albert 1932-4-25 s.n. San Luis Obispo San Luis Obispo County: Oceano. Comment
  UCR140109  Calandrinia ciliata George K. Helmkamp 2004-2-7 8258 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd., just east of Mesa View Dr. 76 Comment
  UCR140140  Calandrinia ciliata George K. Helmkamp 2004-2-17 8295 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd, 0.2 mi east of Mesa View Dr (Calif. Hwy 1) 76 Comment
  UCR140381  Calandrinia ciliata George K. Helmkamp 2004-3-15 8368 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  UC3360  Calochortus albus Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UCR16299  Calochortus albus Val Chase 1965-4-16 88 San Luis Obispo 4 mi south of Edna on the road from Edna to Arroyo Grande 76 Comment
  UC72479  Calochortus clavatus Miss M. Alice King Jun 1895 San Luis Obispo Arroyo Grande Comment
  OBI82458  Calochortus obispoensis David J. Keil, with V. L. Holland 2015-6-19 33257 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 125 Comment
  UC75769  Calochortus obispoensis Flora Sowe 1895-1-1 San Luis Obispo Arroyo Grande Comment
  UC454267  Calyptridium monandrum I. J. Condit 1910-4-30 San Luis Obispo Oceano Comment
  UC1123619  Calystegia macrostegia subsp. cyclostegia N. K. Carlson 1936-3-18 144 San Luis Obispo .5 mi se Newsom Springs (Plot 3); Arroyo Grande Quad., se of Newsom Springs Comment
  UC73552  Calystegia macrostegia subsp. cyclostegia Miss M. Alice King 1895-1 San Luis Obispo Arroyo Grande Comment
  UC73520  Calystegia subacaulis subsp. episcopalis Miss M. Alice King June, 1895 San Luis Obispo Arroyo Grande Comment
  OBI67028  Camissonia campestris subsp. obispoensis David J. Keil 2000-8-2 29047 San Luis Obispo Arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondonada Road. Comment
  UCR132015  Camissonia cheiranthifolia George K. Helmkamp 2003-7-31 8064 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  RSA144516  Camissonia cheiranthifolia subsp. cheiranthifolia E. G. Linsley, J. W. MacSwain 1959-4-28 59 -89 San Luis Obispo Grover City Comment
  UCR132039  Camissonia cheiranthifolia subsp. cheiranthifolia George K. Helmkamp 2003-7-29 8035 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR132064  Camissonia micrantha George K. Helmkamp 2003-7-29 8039 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR158181  Camissonia micrantha George K. Helmkamp 2004-6-9 8615 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr (Calif. Hwy 1), 0.3 mi south of Halcyon Rd. 76 Comment
  UCR158740  Camissonia micrantha George K. Helmkamp, E. A. Helmkamp 2005-4-17 9370 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  IRVC29046  Camissonia strigulosa G. K. Helmkamp 2003-9-10 8135 San Luis Obispo 0.6 mi S of Nipomo Hill in Arroyo Grande area Central Coast 46 Comment
  RSA709064  Camissonia strigulosa George K. Helmkamp, E. A. Helmkamp 2005-4-17 9365 San Luis Obispo Central Coast: Corbett canyon, 2.3 miles N of Hwy CA-227 in Arroyo Grande. 81 Comment
  SD193318  Camissonia strigulosa G. K. Helmkamp, E. A. Helmkamp 2005-4-17 9365 San Luis Obispo Corbett Canyon, 2.3 miles north of Highway CA 227 in Arroyo Grande. 81 Comment
  SEINET1007996  Camissonia strigulosa G. K. Helmkamp, E. A. Helkamp 2005-1 9365 San Luis Obispo Central Coast: Corbett Canyon, 2.3 miles north of Hwy CA-227 in Arroyo Grande. 81 Comment
  UCR134696  Camissonia strigulosa George K. Helmkamp 2003-9-10 8135 San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR158735  Camissonia strigulosa George K. Helmkamp, E. A. Helmkamp 2005-4-17 9365 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  SD186263  Camissoniopsis cheiranthifolia G. K. Helmkamp 2003-7-31 8064 San Luis Obispo West edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road. 14 Comment
  SD186264  Camissoniopsis cheiranthifolia subsp. cheiranthifolia G. K. Helmkamp 2003-7-29 8035 B San Luis Obispo 0.6 mile south of Nipomo Hill in Arroyo Grande area. 46 Comment
  UC1186551  Camissoniopsis cheiranthifolia subsp. cheiranthifolia E. G. Linsley and J. W. MacSwain 1959-4-28 59 -89 San Luis Obispo Grover City Comment
  OBI67029  Camissoniopsis micrantha David J. Keil 2000-8-2 29046 San Luis Obispo Arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondonada Road. Comment
  UC20649  Camissoniopsis micrantha unknown 1861-4-13 446 San Luis Obispo Arroyo Grande Comment
  UC76449  Camissoniopsis micrantha Miss M. Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  OBI80980  Capsella bursa-pastoris Sammy Bueche, Anthony Campos, Mia Stornetta, Jessie Poletti, John Corotis, Andy Catanio 2015-4-24 9 San Luis Obispo Strother Park. Hillside that gradually slopes into a flat area along the bank of teh Arroyo Grande Creek. 14 Comment
  UC1126876  Capsella bursa-pastoris N. K. Carlson 1936-3-18 135 San Luis Obispo .6 mi ssw of Picacho 99 Comment
  UCR159225  Cardamine hirsuta George K. Helmkamp, E. A. Helmkamp 2004-7-12 8754 San Luis Obispo Central Coast, Nipomo Mesa. Mesa Dunes Mobile Home Park along Mesa View Dr. 0.2 mi south of Jct with Halcyon Rd. (SE of Oceano) 76 Comment
  UCR132028  Cardamine oligosperma George K. Helmkamp 2003-9-10 8136 San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR161214  Cardamine oligosperma George K. Helmkamp, E. A. Helmkamp 2004-12-6 8871 San Luis Obispo Central Coast, Arroyo Grande Community Center, Ash and Elm Streets 30 Comment
  UCR141938  Cardamine pensylvanica George K. Helmkamp 2004-1-9 8236 San Luis Obispo Central Coast, Along Highway Calif. Hwy 1, 0.6 mi south of Nipomo Hill in the Arroyo Grande area 46 Comment
  UCR160306  Cardamine pensylvanica George K. Helmkamp 2004-5-9 8571 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr. (Calif. Hwy 1), 0.2 mi south of the jct of Halcyon Rd. 61 Comment
  UC75798  Cardionema ramosissimum Miss M. Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC34409  Carex cusickii Alice Eastwood; John Thomas Howell 1937-4-30 4160 San Luis Obispo Upper Arroyo Grande. Comment
  SBBG59287  Carex cusickii R. Hoffmann 1930-4-18 San Luis Obispo Arroyo Grande Comment
  SBBG59288  Carex cusickii R. Hoffmann 1930-4-18 San Luis Obispo Arroyo Grande Comment
  OBI73597  Carex globosa David J. Keil, with V. L. Holland 2010-6-15 30897 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  SBBG127206  Carex globosa D. Keil, V. L. Holland 2010-6-15 30897 San Luis Obispo between San Luis Obispo and Arroyo Grande at 615 Ormonde Rd, S of intersection of Ormonde Rd with Price Cyn Rd 100 Comment
  CAS-BOT-BC21856  Carex harfordii R. F. Hoover 1947-3-19 6698 San Luis Obispo Oak Park district. Comment
  CAS-BOT-BC21859  Carex harfordii R. F. Hoover 1947-3-19 6698 San Luis Obispo Oak Park district. Comment
  CAS-BOT-BC21863  Carex harfordii R. F. Hoover 1948-5-5 7521 San Luis Obispo Oak Park district. Comment
  OBI5009  Carex harfordii Robert F. Hoover 1948-5-5 7521 San Luis Obispo Oak Park district Comment
  OBI6410  Carex harfordii Robert F. Hoover 1947-3-19 6698 San Luis Obispo Oak Park district Comment
  OBI6411  Carex harfordii Robert F. Hoover 1947-3-19 6698 San Luis Obispo Oak Park district Comment
  OBI73596  Carex harfordii David J. Keil, with V. L. Holland 2010-6-15 30896 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  SBBG57167  Carex pansa R. Hoffmann 1930-4-19 San Luis Obispo Arroyo Grande Comment
  SBBG57170  Carex pansa R. Hoffmann 1930-4-18 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC118918  Carex pellita Alice Eastwood; John Thomas Howell 1937-4-30 4158 San Luis Obispo Upper Arroyo Grande Comment
  SBBG57175  Carex praegracilis R. Hoffmann 1930-4-18 San Luis Obispo Arroyo Grande Comment
  SBBG57176  Carex praegracilis R. Hoffmann 1931-5-30 San Luis Obispo Oceano Comment
  RSA88830  Carex subbracteata Alice Eastwood, John Thomas Howell 1937-4-30 4159 San Luis Obispo Upper Arroyo Grande. Comment
  CAS-BOT-BC116843  Carex subbracteata var. subbracteata Alice Eastwood; John Thomas Howell 1937-4-30 4159 San Luis Obispo Upper Arroyo Grande Comment
  SDSU6426  Carthamus creticus D. F. Howe 1967-8-14 4374 San Luis Obispo Arroyo Grande. 37 Comment
  SD67306  Carthamus lanatus Darley F. Howe 1967-8-14 4374 San Luis Obispo Arroyo Grande Comment
  OBI45544  Castilleja affinis T. L. Secrest 1951-9-15 s.n. San Luis Obispo Dunes at Oceano Comment
  OBI9668  Castilleja affinis Robert F. Hoover 1951-3-4 8033 San Luis Obispo Between Pismo Beach and Oceano Beach Comment
  RSA448763  Castilleja affinis E. A. Purer 1932-8-28 16073 San Luis Obispo Oceano Comment
  RSA734194  Castilleja affinis Keith E. Hoffmaster 1935-7-3 676 San Luis Obispo Oceano. Comment
  SBBG82583  Castilleja affinis T. L. Secrest 1951-9-15 San Luis Obispo Oceano Comment
  JEPS82760  Castilleja affinis subsp. affinis L. R. Heckard with Austin Griffiths 1983-6-13 6101 a San Luis Obispo Callender Dunes Oceano Comment
  UC1032430  Castilleja affinis subsp. affinis H. C. Lee 1936-2-17 403 San Luis Obispo Picacho Hill; San Luis Obispo National Forest, Arroyo Grande Quad. 228 Comment
  OBI9344  Castilleja exserta Robert F. Hoover 1967-4-12 10437 San Luis Obispo Upper Arroyo Grande Comment
  SBBG116984  Castilleja exserta A. P. Griffiths, M. Goodrich 1978-5-15 San Luis Obispo Oceano Comment
  UC1315011  Castilleja exserta R. F. Hoover 1967-4-12 10437 San Luis Obispo Upper Arroyo Grande Comment
  UCD122436  Castilleja exserta Austin P. Griffiths; Mary C. Goodrich 1978-5-15 s.n. San Luis Obispo San Luis Obispo County: Oceano. 10 Comment
  UCR115296  Castilleja exserta Austin P. Griffiths, Mary Goodrich 1978-5-15 s.n. San Luis Obispo Uncultivated residential lot, Oceano 10 Comment
  UCR140136  Castilleja exserta subsp. exserta George K. Helmkamp 2004-3-13 8340 San Luis Obispo Central Coast, Nipomo Mesa, SE of Oceano, Mesa Dunes Mobile Home Park, along Mesa View Dr., 0.2 mi south of the jct of Halcyon Rd 76 Comment
  UCR140384  Castilleja exserta subsp. latifolia George K. Helmkamp 2004-3-15 8372 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  OBI9709  Castilleja foliolosa Robert F. Hoover 1947-3-26 6758 San Luis Obispo Oak Park district Comment
  UC454825  Castilleja foliolosa Unangst 1906-5-9 694 San Luis Obispo Oak Park Comment
  JEPS7440  Castilleja miniata R. F. Hoover 1947-8-8 7357 San Luis Obispo Oceano Comment
  JEPS8508  Castilleja miniata William S. Cooper 1919-7-31 235 San Luis Obispo Oceano Comment
  RSA101662  Castilleja miniata Robert F. Hoover 1947-8-8 7357 San Luis Obispo Oceano. Comment
  RSA43209  Castilleja miniata Robert F. Hoover 1947-8-8 7357 San Luis Obispo Oceano. Comment
  RSA85068  Castilleja miniata F. W. Peirson 1932-7-4 10240 San Luis Obispo Oceano. Comment
  SD38278  Castilleja miniata Rdith A. Purer 1931-8-6 2219 San Luis Obispo Oceano, sand dunes Comment
  UC1276273  Castilleja miniata R. F. Hoover 1947-8-8 7357 San Luis Obispo Oceano Comment
  OBI71267  Castilleja miniata var. miniata Austin P. Griffiths, Kathleen G. Jones 1980-5-24 s.n. San Luis Obispo Oceano Dunes. Hollow just S of Arroyo Grande Crk, near mouth, and just inside primary dune Comment
  OBI9657  Castilleja miniata var. miniata Robert F. Hoover 1947-8-8 7357 San Luis Obispo Oceano Comment
  OBI9658  Castilleja miniata var. miniata Robert F. Hoover 1947-8-8 7357 San Luis Obispo Oceano Comment
  CAS-BOT-BC241101  Castilleja mollis R. F. Hoover 1951-3-4 8033 San Luis Obispo Between Pismo Beach & Oceano Beach Comment
  RSA733953  Castilleja parviflora Keith E. Hoffmaster 1935-7-3 681 San Luis Obispo Oceano. Comment
  CAS-BOT-BC40365  Caulanthus lasiophyllus R. F. Hoover 1947-3-26 6760 San Luis Obispo Oak Park district. Comment
  OBI14896  Caulanthus lasiophyllus Robert F. Hoover 1947-3-26 6760 San Luis Obispo Oak Park district Comment
  UCR146280  Ceanothus Roman Gankin, W. R. Hildreth 1964-7-9 824683 San Luis Obispo Upper Arroyo Grande Canyon 67 Comment
  CAS-BOT-BC49011  Ceanothus cuneatus R. F. Hoover 1948-2-25 7423 San Luis Obispo Oak Park district Comment
  GH349152  Ceanothus cuneatus W. H. Brewer 1860-1-1 480 Unknown Arroyo Grande Comment
  CAS-BOT-BC64462  Ceanothus cuneatus subsp. fascicularis R. F. Hoover 1948-2-25 7423 San Luis Obispo Oak Park District. Comment
  UC18286  Ceanothus cuneatus var. cuneatus W. H. Brewer 1861-4-13 440 San Luis Obispo Arroyo Grande Comment
  UC1276283  Ceanothus cuneatus var. fascicularis R. F. Hoover 1948-2-25 7423 San Luis Obispo Oak Park District Comment
  UCR141940  Ceanothus gloriosus subsp. gloriosus George K. Helmkamp 2004-1-9 8238 San Luis Obispo Central Coast, Along Highway Calif. Hwy 1, 0.6 mi south of Nipomo Hill in the Arroyo Grande area 46 Comment
  CAS-BOT-BC50023  Ceanothus impressus R. F. Hoover 1948-2-25 7422 San Luis Obispo Oak Park district Comment
  CAS-BOT-BC50030  Ceanothus impressus R. F. Hoover 1948-2-25 7422 San Luis Obispo Oak Park district Comment
  OBI10490  Ceanothus impressus Robert F. Hoover 1962-1-12 7 San Luis Obispo Arroyo Grande Comment
  UC1070596  Ceanothus impressus H. C. Lee 1936-3-3 446 San Luis Obispo 3/4 mi s Reeds; Arroyo Grande quad. 182 Comment
  UC1070600  Ceanothus impressus H. S. Yates 1936-3-24 5376 San Luis Obispo 3/4 mi sw Reeds; Arroyo Grande quad. 152 Comment
  UC54829  Ceanothus oliganthus var. sorediatus Mrs. R. W. Summers 1886-1 San Luis Obispo Arroyo Grande Comment
  UC456206  Centaurium davyi I. J. Condit 1909-7-6 San Luis Obispo Arroyo Grande Comment
  CDA26021  Cerastium fontanum David J. Keil 2003-8-23 30284 San Luis Obispo Arroyo Grande. Lawn area in ornamental plantings around Wal-Mart Shopping Center (1168 West branch Street, Arroyo Grande). Comment
  SD234350  Cerastium fontanum subsp. vulgare G. K. Helmkamp 2004-5-9 8573 San Luis Obispo Central Coast: Mesa Dunes Mobile Home Park along Mesa View Dr. (Hwy CA-1), 0.2 mi S of the jct of Halcyon Rd (Oceano 7.5'Q) 60 Comment
  UCR160287  Cerastium fontanum subsp. vulgare George K. Helmkamp 2004-5-9 8573 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr. (Calif. Hwy 1), 0.2 mi south of the jct of Halcyon Rd. 61 Comment
  UCR140377  Cerastium glomeratum George K. Helmkamp 2004-3-15 8365 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  UC72964  Cercocarpus betuloides var. betuloides Miss M. Alice King Apr. 1895 San Luis Obispo Arroyo Grande Comment
  UC185540  Chaenactis glabriuscula var. glabriuscula Katharine Brandegee San Luis Obispo Oceano Comment
  UC75836  Chaenactis glabriuscula var. glabriuscula Miss M. Alice King 1895-4-1 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC277609  Chaenactis glabriuscula var. lanosa R. F. Hoover 1969-5-3 11300 San Luis Obispo Upper Arroyo Grande Comment
  OBI16845  Chaenactis glabriuscula var. lanosa Robert F. Hoover 1969-5-3 11300 San Luis Obispo Upper Arroyo Grande Comment
  UC31025  Chaenactis glabriuscula var. lanosa W. H. Brewer 1861-4-13 444 San Luis Obispo Arroyo Grande Comment
  OBI82365  Chenopodium David J. Keil 2015-9-21 33403 San Luis Obispo Arroyo Grande. Vacant lot at northwestern corner of intersection of Woodland Drive and Fair Oaks Avenue. 25 Comment
  SD186163  Chenopodium berlandieri G. K. Helmkamp 2003-7-29 8040 B San Luis Obispo 0.6 mile south of Nipomo Hill in Arroyo Grande area. 46 Comment
  UCR140072  Chenopodium californicum George K. Helmkamp 2004-3-15 8363 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  OBI82357  Chenopodium glaucum David J. Keil 2015-9-21 33405 San Luis Obispo Arroyo Grande. Fair Oaks Avenue at Fred Grieb bridge over Arroyo Grande Creek 25 Comment
  SBBG65282  Chenopodium littoreum R. Hoffmann 1931-5-30 San Luis Obispo Oceano Comment
  UC455220  Chenopodium littoreum I. J. Condit 1910-4-30 San Luis Obispo Oceano; sand hills Comment
  OBI17212  Chenopodium macrospermum Robert F. Hoover 1948-11-13 7557 San Luis Obispo W of Oceano Comment
  UCR160305  Chenopodium multifidum George K. Helmkamp 2004-5-9 8572 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr. (Calif. Hwy 1), 0.2 mi south of the jct of Halcyon Rd. 61 Comment
  UCR132041  Chenopodium strictum George K. Helmkamp 2003-7-29 8040 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR132063  Chenopodium strictum George K. Helmkamp 2003-7-29 8041 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR132545  Chenopodium strictum George K. Helmkamp 2003-8-18 8094 San Luis Obispo Central Coast, S of Arroyo Grande; along Mesa View Dr., 0.4 mi south of the junction of Cienaga and Valley View Rd. 30 Comment
  CAS-BOT-BC178949  Chorizanthe angustifolia David D. Keck 1933-5-5 2215 San Luis Obispo Oceano, SW San Luis Obispo County Comment
  CAS-BOT-BC178950  Chorizanthe angustifolia David D. Keck 1933-5-5 2215 San Luis Obispo Oceano, SW San Luis Obispo County Comment
  POM216321  Chorizanthe angustifolia D. D. Keck 1933-5-5 2215 San Luis Obispo Oceano, southwestern San Luis Obispo county. Comment
  RSA392636  Chorizanthe angustifolia Ralph Hoffman 1930-4-18 s.n. San Luis Obispo Arroyo Grande Comment
  SBBG61732  Chorizanthe angustifolia R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  UC52640  Chorizanthe angustifolia Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UC72617  Chorizanthe angustifolia Miss M. Alice King June 1895 San Luis Obispo Arroyo Grande Comment
  OBI82448  Chorizanthe diffusa David J. Keil, with V. L. Holland 2015-6-19 33254 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 125 Comment
  SBBG61704  Chorizanthe diffusa R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  RSA392638  Chorizanthe diffusa var. diffusa Ralph Hoffmann 1930-4-18 s.n. San Luis Obispo Open stony hilltop, Oceano. Comment
  OBI73582  Chorizanthe obovata David J. Keil, with V. L. Holland 2010-6-15 30894 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  OBI79992  Chorizanthe obovata David J. Keil, with V. L. Holland 2013-6-12 31792 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  UC72679  Chorizanthe obovata Miss M. Alice King June, 1895 San Luis Obispo Arroyo Grande Comment
  UC72685  Chorizanthe obovata Miss M. Alice King June, 1895 San Luis Obispo Arroyo Grande Comment
  UC72680  Chorizanthe palmeri Miss M. Alice King 1895-1 San Luis Obispo near Arroyo Grande; near Arroyo Grande Comment
  OBI79993  Chorizanthe staticoides David J. Keil, with V. L. Holland 2013-6-12 31793 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  OBI82278  Chorizanthe staticoides David J. Keil 2015-5-18 33185 San Luis Obispo La Panza Range, eastern slope. Los Padres Ranch, west of Highway 58 between Red Hill Road and Shell Creek Road 400 Comment
Read comments
May 5 2019
  UC52616  Chorizanthe staticoides Alice King June 1895 San Luis Obispo Arroyo Grande Comment
  UCR132049  Chrysanthemum coronarium George K. Helmkamp 2003-7-31 8062 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  SBBG65948  Cirsium loncholepis R. Hoffmann 1931-5-30 San Luis Obispo Oceano Comment
  UC76426  Cirsium occidentale var. occidentale Miss M. Alice King 1895-6-1 San Luis Obispo Arroyo Grande Comment
  UC454295  Cirsium rhothophilum Condit and Ewing 1908-11-14 San Luis Obispo Oceano Comment
  UC455492 Image available Cirsium scariosum var. citrinum I. J. Condit 1910-7-26 San Luis Obispo Oceano Comment
  UCR147245  Clarkia amoena George K. Helmkamp, E. A. Helmkamp 2004-8-15 8789 San Luis Obispo Central Coast, Nipomo Mesa. Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi S. of jct. of Halcyon Rd., SE of Oceano 76 Comment
  UC76445  Clarkia cylindrica subsp. cylindrica Lizzie Cook May 1895 San Luis Obispo Arroyo Grande Comment
  UC20316  Clarkia epilobioides Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC163952  Clarkia purpurea subsp. quadrivulnera R. F. Hoover 1966-5-15 9859 San Luis Obispo Oak Park district Comment
  IRVC29498  Clarkia purpurea subsp. quadrivulnera Mark A. Elvin, LynneDee Althouse 2006-5-25 4918 San Luis Obispo NW portion of Arroyo Grande; Old Oak Park site. Central Coastal 76 Comment
  OBI12096  Clarkia purpurea subsp. quadrivulnera Robert F. Hoover 1966-5-15 9859 San Luis Obispo Oak Park district Comment
  UC54875  Clarkia purpurea subsp. quadrivulnera Mrs. R. W. Summers 1886-5-21 2000 San Luis Obispo Arroyo Grande Comment
  UC54882  Clarkia purpurea subsp. quadrivulnera Mrs. R. W. Summers 1886-5-21 San Luis Obispo Arroyo Grande Comment
  RSA209480  Clarkia purpurea var. hirsuta Robert F. Hoover 1966-5-15 9859 San Luis Obispo Oak Park district Comment
  UC76448  Clarkia speciosa Miss M. Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC165241  Clarkia speciosa subsp. immaculata Mark A. Elvin; LynneDee Althouse 2006-5-25 4915 San Luis Obispo Central Coastal: NW portion of Arroyo Grande; James Way X La Canada 61 Comment
  CAS-BOT-BC165242  Clarkia speciosa subsp. immaculata Mark A. Elvin; LynneDee Althouse 2006-5-25 4916 San Luis Obispo Central Coast: NW portion of Arroyo Grande; Old Oak Park site 76 Comment
  CAS-BOT-BC165245  Clarkia speciosa subsp. immaculata James L. Reveal; C. Rose Broome 1987-6-20 6501 San Luis Obispo Along Ormonde Road, 1.2 mile east of Price Canyon Road and 1 mile west of Old Oak Park Road, on the ridge between Price Canyon and Schoolhouse Canyon, about 3 airline miles north-northwest of Pismo Beach 106 Comment
  CAS-BOT-BC165247  Clarkia speciosa subsp. immaculata R. F. Hoover 1966-5-15 9860 San Luis Obispo Oak Park district Comment
  IRVC29495  Clarkia speciosa subsp. immaculata Mark A. Elvin, LynneDee Althouse 2006-5-25 4915 San Luis Obispo NW portion of Arroyo Grande; James Way X La Canada. Central Coastal 61 Comment
  IRVC29496  Clarkia speciosa subsp. immaculata Mark A. Elvin, LynneDee Althouse 2006-5-25 4916 San Luis Obispo NW portion of Arroyo Grande; Old Oak Park site. Central Coastal 76 Comment
  JEPS720  Clarkia speciosa subsp. immaculata Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  OBI67031  Clarkia speciosa subsp. immaculata David J. Keil 2000-1 San Luis Obispo Comment
  RSA209521  Clarkia speciosa subsp. immaculata Robert F. Hoover 1966-5-15 9860 San Luis Obispo Oak Park district Comment
  UC20023  Clarkia unguiculata Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UCR140388  Claytonia rubra subsp. rubra George K. Helmkamp 2004-3-15 8376 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  IRVC28950  Clematis ligusticifolia G. K. Helmkamp 2003-9-21 8165 San Luis Obispo Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande Central Coast 46 Comment
  OBI81526  Clematis ligusticifolia Jaymee Schienle, Kevin Allenstein, Tibo Smolders, Matt Wauters, Adriana Delucchi 2015-11-3 1 San Luis Obispo Strothers Park. Comment
  UC75780  Clematis ligusticifolia Miss M. Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  UCR135963  Clematis ligusticifolia George K. Helmkamp 2003-9-21 8165 San Luis Obispo Central Coast, Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande 46 Comment
  UC26583  Collinsia multicolor Alice King Apr 1895 San Luis Obispo Arroyo Grande Comment
  POM215139  Conicosia pugioniformis D. D. Keck 1933-5-5 2212 San Luis Obispo Oceano, southwestern San Luis Obispo Co. Comment
  UC1122929  Conium maculatum H. C. Lee 1936-3-13 491 San Luis Obispo Grover 15 Comment
  UC75767  Conium maculatum Miss M. Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UC456009  Convolvulus arvensis I. J. Condit 1908-6-6 San Luis Obispo Routzahn Seed Farm Arroyo Grande Comment
  UCR132053  Conyza bonariensis George K. Helmkamp 2003-7-31 8051 B San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR132763  Conyza canadensis George K. Helmkamp 2003-7-29 8034 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  OBI80001  Cordylanthus rigidus David J. Keil, with V. L. Holland 2013-6-12 31794 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  JEPS35086  Cordylanthus rigidus subsp. rigidus R. F. Hoover 1964-8-14 9382 San Luis Obispo Oak Park District Comment
  JEPS35351  Cordylanthus rigidus subsp. rigidus R. F. Hoover 1964-8-14 9282 San Luis Obispo Oak Park District Comment
  JEPS35352  Cordylanthus rigidus subsp. rigidus R. F. Hoover 1964-8-14 9282 San Luis Obispo Oak Park District Comment
  OBI9557  Cordylanthus rigidus subsp. rigidus Robert F. Hoover 1964-8-14 9282 San Luis Obispo Oak Park district Comment
  OBI57574  Corethrogyne filaginifolia Austin P. Griffiths 1980-9-7 s.n. San Luis Obispo Pismo Dunes Region. On sW corner of Beach and 19th St, Oceano Comment
  SBBG60547  Corethrogyne filaginifolia R. Hoffmann 1930-4-19 San Luis Obispo Oceano Comment
  UC126743  Corethrogyne filaginifolia Condit and Ewing 1908-11-14 San Luis Obispo Oceano Comment
  UC455493  Corethrogyne filaginifolia I. J. Condit 1908-11-14 23 San Luis Obispo Oceano Comment
  UC455494  Corethrogyne filaginifolia I. J. Condit 1908-11-14 San Luis Obispo Oceano Comment
  RSA660366  Corethrogyne filaginifolia var. filaginifolia Austin P. Griffiths 1980-9-7 s.n. San Luis Obispo SW corner of Beach and 19th St., Oceano 20 Comment
  GH385562  Cornus occidentalis W. H. Brewer 1860-1-1 434 Unknown Arroyo Grande Comment
  UC21546  Cornus sericea subsp. sericea W. H. Brewer Apr 12 1861-Apr 13 1861 434 San Luis Obispo Arroyo Grande Comment
Read comments
Dec 23 2007
  OBI75323  Cortaderia jubata David J. Keil 30950 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road. Comment
  OBI75324  Cortaderia jubata David J. Keil 2010-11-10 30950 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road. Comment
  CDA43345  Cortaderia selloana David J. Keil 2011-11-9 31181 San Luis Obispo Nipomo Mesa south of Arroyo Grande, Highway 1 just north of intersection with Doty Drive. 0 Comment
  OBI22347  Cortaderia selloana Robert F. Hoover 1947-9-13 7393 San Luis Obispo Oak Park district Comment
  OBI79122  Cortaderia selloana David J. Keil 2011-11-5 31162 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Vicinity of intersection of Mountain View Drive and Halcyon Road 15 Comment
  OBI79125  Cortaderia selloana David J. Keil 2011-11-5 31162 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Vicinity of intersection of Mountain View Drive and Halcyon Road 15 Comment
  OBI79127  Cortaderia selloana David J. Keil 2011-11-9 31181 San Luis Obispo Nipomo Mesa south of Arroyo Grande, Highway 1 just north of intersection with Doty Drive Comment
  RSA0029468  Cortaderia selloana David J. Keil 2011-11-5 31162 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Vicinity of intersection of Mountain View Drive and Halcyon Road. 15 Comment
  SEINET7063682  Cotula coronopifolia A. G. Vestal 1947-4-16 s.n. San Luis Obispo Above Arroyo Grande on Rotue 227 in Carpenter Canyon. UTM Zone 10, 720822mE, 3892982mN. (WGS84/NAD83). 108 Comment
  UCSC000796  Cotula coronopifolia California Polytechnic School 2001-1-31 s.n. San Luis Obispo Arroyo Grande Comment
  CDA25354  Crassula connata J. O. Williams 1959-5-18 San Luis Obispo Oceano. 0 Comment
  UCR140130  Crassula connata George K. Helmkamp 2004-2-10 8267 San Luis Obispo Central Coast, southeast of Oceano along Halcyon Rd., 0.2 mi east of Mesa View Dr. 76 Comment
  CDA26371  Crepis capillaris David J. Keil 2003-8-23 30282 San Luis Obispo Arroyo Grande. Lawn area in ornamental plantings around Wal-Mart Shopping Center (1168 West branch Street, Arroyo Grande). Comment
  OBI68364  Crepis capillaris David J. Keil 2003-8-23 30282 San Luis Obispo Arroyo Grande. Lawn area in ornamental plantings around Wal-Mart Shopping Center (1168 W Branch Street, Arroyo Grande). Vicinity of 35.1277 deg. N x 120.5974 deg. W 49 Comment
  UC1927697  Crepis capillaris David Keil 2003-8-23 30282 San Luis Obispo Arroyo Grande. Lawn area in ornamental plantings around Wal-Mart Shopping Center (1168 W Branch Street, Arroyo Grande). Comment
  OBI17161  Crocanthemum scoparium Robert F. Hoover 1947-3-26 6755 San Luis Obispo Oak Park district Comment
  CDA17519  Croton californicus Austin Griffiths 1980-8-29 s.n. San Luis Obispo Central Coast; Arroyo Grande, behind Fair Oaks alleys, 1051 Grand Ave. in parking lot near SE edge. Comment
  RSA480693  Croton californicus E. A. Purer 1932-8-28 16261 San Luis Obispo Oceano. Comment
  SD39879  Croton californicus Edith A. Purer 1932-8-28 4857 San Luis Obispo Oceano Comment
  UC30122  Croton californicus Alice King Apr. 1895 San Luis Obispo Arroyo Grande Comment
  UCR140073  Croton californicus George K. Helmkamp 2004-3-15 8362 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  JEPS67542  Cryptantha clevelandii W. L. Jepson 1941-4-17 20263 San Luis Obispo Arroyo Grande Comment
  OBI82456  Cryptantha clevelandii David Keil, with V. L. Holland 2015-6-19 33255 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 110 Comment
  UC455985  Cryptantha clevelandii Unangst 1906-5-9 693 San Luis Obispo Oak Park Comment
  UCR140156  Cryptantha clevelandii George K. Helmkamp 2004-4-1 8417 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
  POM368377  Cryptantha clevelandii var. florosa Ralph Hoffman 1931-5-30 s.n. San Luis Obispo Oceano. Comment
  SD178184  Cryptantha leiocarpa G. K. Helmkamp 2004-4-1 8417 San Luis Obispo Central Coast: Nipomo Mesa, Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 75 Comment
  OBI20772  Cryptantha micromeres Robert F. Hoover 1947-3-26 6765 San Luis Obispo Oak Park district Comment
  OBI20773  Cryptantha micromeres Robert F. Hoover 1947-3-19 6694 San Luis Obispo Oak Park district Comment
  UC1285271  Cryptantha micromeres R. F. Hoover 1947-3-26 6765 San Luis Obispo Oak Park District Comment
  OBI20775  Cryptantha microstachys Robert F. Hoover 1947-3-26 6757 San Luis Obispo Oak Park district Comment
  OBI20778  Cryptantha microstachys Robert F. Hoover 1967-4-12 10435 San Luis Obispo Upper Arroyo Grande Comment
  OBI82447  Cryptantha microstachys David J. Keil, with V. L. Holland 2015-6-19 33253 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 125 Comment
  UC1285276  Cryptantha microstachys R. F. Hoover 1947-3-26 6757 San Luis Obispo Oak Park District Comment
  RSA409711  Cuscuta californica E. A. Purer 1932-8-28 16103 San Luis Obispo Oceano. Comment
  SBBG96359  Cuscuta californica var. californica E. A. Purer 1932-8-28 San Luis Obispo Oceano Comment
  SBBG96361  Cuscuta californica var. californica E. A. Purer 1932-8-28 San Luis Obispo Oceano Comment
  UC455998  Cuscuta salina I. J. Condit 1909-9-6 San Luis Obispo Oceano Comment
  UC73517  Cuscuta subinclusa Miss M. Alice King 1895-1 San Luis Obispo Arroyo Grande Comment
  OBI35105  Cyperus eragrostis Eric Wise 1981-6-22 642 San Luis Obispo Aquatic Tracheophytes of San Luis Obispo County. Lopez Water Treatment Reservoir Comment
  OBI56357  Cyperus esculentus Austin P. Griffiths 1980-8-29 s.n. San Luis Obispo Weeds of the Central Coast. Alogn walkway of residential lawn grass, Oceano Comment
  UCR159299  Cyperus esculentus George K. Helmkamp, E. A. Helmkamp 2004-7-12 8755 San Luis Obispo Central Coast, Nipomo Mesa. Mesa Dunes Mobile Home Park along Mesa View Dr. 0.2 mi south of Jct with Halcyon Rd. (SE of Oceano) 76 Comment
  CAS-BOT-BC299362  Deinandra increscens subsp. increscens H. M. Hall 1931-8-8 13215 San Luis Obispo Two miles east of Oceano Comment
  JEPS38273  Deinandra increscens subsp. increscens W. L. Jepson 1940-10-3 20155 San Luis Obispo Arroyo Grande Comment
  JEPS38274  Deinandra increscens subsp. increscens W. L. Jepson 1940-10-3 20154 San Luis Obispo Arroyo Grande Comment
  SD39705  Deinandra increscens subsp. increscens Edith A. Purer 1932-8-28 4860 San Luis Obispo Oceano, stabilized dunes. Comment
  UC1069554  Deinandra increscens subsp. increscens N. K. Carlson 1936-3-18 122 San Luis Obispo 1 mi e Nipomo Hill; Arroyo Grande Quad. Comment
  UC1069555  Deinandra increscens subsp. increscens N. K. Carlson 1936-3-18 143 San Luis Obispo 0.5 mi se Newsome Springs; Arroyo Grande 137 Comment
  UC134615  Deinandra increscens subsp. increscens K. Brandegee 1885-7-4 San Luis Obispo Arroyo Grande Comment
  UC1792832  Deinandra increscens subsp. increscens G. K. Helmkamp 2003-10-24 8215 San Luis Obispo Central Coast: El Campo Rd 0.1 mi E of Los Berros Rd, SE of Arroyo Grande Comment
  UC89070  Deinandra increscens subsp. increscens M. K. Curran 1885-1-1 San Luis Obispo at Arroyo Grande Arroyo Grande Comment
  OBI79962  Delosperma litorale David J. Keil, with V. L. Holland 2013-6-12 31796 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  UC9134  Delphinium californicum Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UC9240  Delphinium parryi Alice King Apr. 1895 San Luis Obispo Arroyo Grande Comment
  UC1126032  Delphinium parryi subsp. blochmaniae H. C. Lee 1936-2-21 412 San Luis Obispo 1 mile N of Los Berros 76 Comment
  UC9184  Delphinium parryi subsp. parryi Alice King June 1895 San Luis Obispo Arroyo Grande Comment
  UC1296249  Delphinium umbraculorum R. F. Hoover 1957-4-11 8380 San Luis Obispo headwaters Arroyo Grande Comment
  OBI11822  Dendromecon rigida Mrs. R. F. Hoover 1962-1-13 6 San Luis Obispo Arroyo Grande Comment
  UC1126343  Dendromecon rigida H. C. Lee 1936-3-3 448 San Luis Obispo 1/2 mi s Reeds; Arroyo Grande Quadrangle Comment
  UC455327  Dendromecon rigida Unangst 1906-5-17 San Luis Obispo Oak Park Comment
  SBBG21201  Descurainia pinnata J. Patman 1963-4-13 1112 San Luis Obispo just S of Oceano 6 Comment
  UC455760  Descurainia pinnata subsp. menziesii I. J. Condit 1910-4-30 San Luis Obispo Oceano Comment
  UC1133899  Dichelostemma capitatum N. K. Carlson 1936-3-18 148 San Luis Obispo 0.5 mi se Newsome Springs; Arroyo Grande Quad. 137 Comment
  UC1133905  Dichelostemma capitatum H. C. Lee 1936-2-15 394 San Luis Obispo 1 mi se Arroyo Grande; San Luis Obispo National Forest, Arroyo Grande Quad. 91 Comment
  UCR140386  Dichelostemma capitatum George K. Helmkamp 2004-3-15 8374 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  OBI82560  Dichondra David J. Keil 2015-9-21 33402 San Luis Obispo Arroyo Grande. 620 Cerro Vista Circle 25 Comment
  CDA26004  Digitaria sanguinalis David J. Keil 2003-8-23 30285 San Luis Obispo Arroyo Grande. Lawn area in ornamental plantings around Wal-Mart Shopping Center (1168 West branch Street, Arroyo Grande). Comment
  UCR132045  Digitaria sanguinalis George K. Helmkamp 2003-7-31 8052 B San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR140077  Dimorphotheca sinuata George K. Helmkamp 2004-4-1 8413 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
  UCR140100  Dimorphotheca sinuata George K. Helmkamp 2004-2-10 8266 San Luis Obispo Central Coast, southeast of Oceano along Halcyon Rd., 0.2 mi east of Mesa View Dr. 76 Comment
  CAS-BOT-BC152489  Diplacus aurantiacus R. F. Hoover 1967-4-12 10438 San Luis Obispo Upper Arroyo Grande Comment
  OBI79994  Dittrichia graveolens David J. Keil, with V. L. Holland 2013-6-12 31800 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  UC570364  Dodecatheon clevelandii subsp. insulare H. C. Lee 1936-2-13 397 San Luis Obispo 1 mi se Arroyo Grande; Arroyo Grande Quad. 91 Comment
  UC75731  Dodecatheon clevelandii subsp. insulare Miss M. Alice King March 1895 San Luis Obispo Arroyo Grande Comment
  CDA25902  Drosanthemum floribundum David J. Keil 2000-8-2 29048 San Luis Obispo Arroyo Grande area. Circa 0.5 miles off Lopez Drive on Hondonada Road. 0 Comment
  OBI67032  Drosanthemum floribundum David J. Keil 2000-8-2 29048 San Luis Obispo Arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondonada Road. Comment
  UCR140405  Dryopteris arguta George K. Helmkamp 2004-3-15 8377 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  SBBG70882  Dudleya lanceolata R. Hoffmann 1931-5-30 San Luis Obispo Oceano Comment
  OBI79087  Dysphania multifida David J. Keil 2011-11-5 31130 San Luis Obispo Grover Beach. Mentone Ave & 13th street 15 Comment
  UCR132027  Echinochloa colona George K. Helmkamp 2003-9-10 8137 San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR147227  Echinochloa crus-galli George K. Helmkamp, E. A. Helmkamp 2004-8-15 8787 San Luis Obispo Central Coast, Nipomo Mesa. Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi S. of jct. of Halcyon Rd., SE of Oceano 76 Comment
  CHSC30535  Ehrharta calycina T. B. Devine 1980-4-5 671 San Luis Obispo Along frontage road just E. of Hwy. 101 ca 1 mi. S. of Arroya Grande. Roadcut beside pasture. Comment
  RSA706639  Ehrharta calycina L. M. Prince, J. Travis Columbus, et al. 2002-4-28 2 -333 San Luis Obispo CA Rte. 101, 7.2 km north oof exit for Nipomo (Tefft St.) 100 Comment
  UCR17238  Ehrharta calycina E. Turula 1975-3-23 51 San Luis Obispo Central Coast, Arroyo Grande; Oak Park Road, 0.5 mi west of Ormonde Road 122 Comment
  OBI79968  Ehrharta erecta David J. Keil, with V. L. Holland 2013-6-12 31804 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  OBI35160  Eleocharis macrostachya Eric Wise 1981-6-22 644 San Luis Obispo Aquatic Tracheophytes of San Luis Obispo County. Lopez Water Treatment Reservoir Comment
  OBI13938  Emmenanthe penduliflora Robert F. Hoover 1947-3-26 6761 San Luis Obispo Oak Park district Comment
  UC485513  Encelia actoni Katharine Brandegee 1911-6-4 San Luis Obispo Oceano Comment
  IRVC28934  Epilobium brachycarpum G. K. Helmkamp 2003-10-24 8220 San Luis Obispo El Campo Rd 0.1 mi E of Los Berros Rd, SE of Arroyo Grande Central Coast 46 Comment
  SD178209  Epilobium brachycarpum G. K. Helmkamp 2003-10-24 8220 San Luis Obispo Central coast: El Campo Rd 0.1 mi east of Los Berros Rd, southeast of Arroyo Grande. Disturbed roadside in farmland. 46 Comment
  UCR131912  Epilobium brachycarpum George K. Helmkamp 2003-10-24 8220 San Luis Obispo Central Coast, El Campo Rd 0.1 mi east of Los Berros Rd, SE of Arroyo Grande 46 Comment
  UCR132056  Epilobium ciliatum subsp. ciliatum George K. Helmkamp 2003-7-31 8056 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  OBI37138  Epilobium ciliatum subsp. watsonii Eric Wise 1981-6-22 639 San Luis Obispo Lopez Water Treatment Reservoir Comment
  OBI37140  Epilobium ciliatum subsp. watsonii Eric Wise 1981-6-22 639 San Luis Obispo Lopez Water Treatment Reservoir Comment
  UC454595  Epilobium densiflorum I. J. Condit 1908-7-6 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC57180  Equisetum hyemale subsp. affine R. F. Hoover 1946-9-17 6422 San Luis Obispo Oceano Comment
  SD38386  Equisetum laevigatum Edith A. Purer 1931-8-6 San Luis Obispo Oceano Comment
  CAS-BOT-BC57593  Equisetum telmateia R. F. Hoover 1946-9-17 6423 San Luis Obispo Oceano Comment
  OBI1045  Equisetum telmateia R. F. Hoover 1946-9-17 6423 San Luis Obispo Oceano, among trees in low moist area Comment
  OBI1046  Equisetum telmateia R. F. Hoover 1946-9-17 6423 San Luis Obispo Oceano, among trees in low moist area Comment
  SD38388  Equisetum telmateia subsp. braunii Edith A. Purer 1932-8-28 4835 a San Luis Obispo Oceano Comment
  RSA43024  Equisetum telmateia var. braunii Robert F. Hoover 1946-9-17 6423 San Luis Obispo Oceano Comment
  OBI26819  Eragrostis curvula David J. Keil 1981-3-7 14286 San Luis Obispo Ca. 1 mi E of jctn with Calif hwy 227 along Lopez Lake Rd Comment
  OBI44934  Eragrostis curvula David J. Keil 1994-7-20 18310 San Luis Obispo E of Arroyo Grande along Lopez Lake Rd at jctn with Cecchetti Rd Comment
  UCR38981  Eragrostis curvula var. curvula David J. Keil 1981-3-7 14286 San Luis Obispo c. 1 mile east of junction with California Hwy 227 along Lopez Lake Road Comment
  OBI82277  Eriastrum David J. Keil 2015-5-18 33187 San Luis Obispo La Panza Range, eastern slope. Los Padres Ranch, west of Highway 58 between Red Hill Road and Shell Creek Road 500 Comment
  UC133703  Eriastrum densifolium subsp. densifolium I. J. Condit 1909-9-6 27 San Luis Obispo Oceano; sand hills Comment
  UC455462  Eriastrum densifolium subsp. densifolium I. J. Condit 1909-9-6 San Luis Obispo Oceano; sand hills Comment
  CAS-BOT-BC292906  Ericameria ericoides R. F. Hoover 1946-10-18 6500 San Luis Obispo Upper Arroyo Grande Comment
  OBI16563  Ericameria ericoides Robert F. Hoover 1946-10-18 6500 San Luis Obispo Upper Arroyo Grande Comment
  OBI27080  Ericameria ericoides Jim Souza 1981-2-1 s.n. San Luis Obispo Grover City Comment
  UC455496  Ericameria ericoides I. J. Condit 1908-11-14 San Luis Obispo Oceano Comment
  SD40116  Ericameria ericoides subsp. ericoides Edith A. Purer 1932-8-28 San Luis Obispo Oceano Comment
  SD186081  Erigeron blochmaniae G. K. Helmkamp 2003-7-29 8044 B San Luis Obispo 0.6 mile south of Nipomo Hill in Arroyo Grande area. 46 Comment
  UC455497  Erigeron blochmaniae I. J. Condit 1910-7-26 48 San Luis Obispo Oceano Comment
  UCR132043  Erigeron blochmaniae George K. Helmkamp 2003-7-29 8044 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  SD40125  Erigeron foliosus Edith A. Purer 1931-8-6 San Luis Obispo Oceano Comment
  UC31479  Erigeron foliosus var. franciscensis unknown San Luis Obispo Arroyo Grande Comment
  OBI82445  Erigeron sanctarum David J. Keil, with V. L. Holland 2015-6-19 33252 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 125 Comment
  CDA43318  Erigeron sumatrensis David J. Keil 2010-12-8 30967 San Luis Obispo Along Hondonada Road northwest of junction with Lopez Drive, east of Arroyo Grande. Comment
  OBI75293  Erigeron sumatrensis David J. Keil 2010-12-8 30967 San Luis Obispo Along Hondonada Road nw of junction with Lopez Drive, east of Arroyo Grande 74 Comment
  OBI82275  Eriogonum angulosum David J. Keil 2015-5-18 33190 San Luis Obispo La Panza Range, eastern slope. Los Padres Ranch, west of Highway 58 between Red Hill Road and Shell Creek Road 500 Comment
  OBI82173  Eriogonum baileyi var. baileyi David Keil 2015-5-18 33188 San Luis Obispo La Panza Range, eastern slope. Los Padres Ranch, west of Highway 58 between Red Hill Road and Shell Creek Road 400 Comment
  SD186294  Eriogonum fasciculatum var. fasciculatum G. K. Helmkamp 2003-7-29 8030 B San Luis Obispo Central Coast: 0.6 mi S of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR132289  Eriogonum fasciculatum var. foliolosum George K. Helmkamp 2003-7-29 8030 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR132760  Eriogonum fasciculatum var. foliolosum George K. Helmkamp 2003-7-29 8029 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  OBI80007  Eriogonum gracile David J. Keil, with V. L. Holland 2013-6-12 31795 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  OBI82276  Eriogonum gracile David J. Keil 2015-5-18 33189 San Luis Obispo La Panza Range, eastern slope. Los Padres Ranch, west of Highway 58 between Red Hill Road and Shell Creek Road 500 Comment
  OBI27082  Eriogonum parvifolium Jim Souza 1981-1 s.n. San Luis Obispo Grover City Comment
  UC454075  Eriogonum parvifolium Condit and Ewing 1908-11-14 San Luis Obispo Oceano Comment
  RSA424465  Eriogonum parvifolium var. parvifolium E. A. Purer 1932-8-28 4862 San Luis Obispo Oceano. Comment
  SD38711  Eriogonum parvifolium var. parvifolium Edith A. Purer 1932-8-28 4862 San Luis Obispo Oceano, stabilized sand dunes Comment
  UC1118298  Eriophyllum confertiflorum var. confertiflorum H. C. Lee 1936-3-3 447 San Luis Obispo 0.75 mi s of Reed's; Arroyo Grande Quadrangle 182 Comment
  UC31710  Eriophyllum confertiflorum var. confertiflorum Alice King 1895-5-1 San Luis Obispo Arroyo Grande Comment
  UC455782  Eriophyllum confertiflorum var. confertiflorum Unangst 1905-5-17 580 San Luis Obispo Oak Park Comment
  UC31741  Eriophyllum multicaule Alice King 1895-5-1 San Luis Obispo Arroyo Grande Comment
  RSA709061  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2005-4-17 9366 San Luis Obispo Central Coast: Corbett canyon, 2.3 miles N of Hwy CA-227 in Arroyo Grande. 81 Comment
  SD193299  Erodium botrys G. K. Helmkamp, E. A. Helmkamp 2005-4-17 9366 San Luis Obispo Corbett Canyon, 2.3 miles north of Highway CA 227 in Arroyo Grande. 81 Comment
  UC1130252  Erodium botrys N. K. Carlson 1936-3-19 179 San Luis Obispo 1.6 mi nnw Arroyo Grande; Arroyo Grande Quad. 60 Comment
  UCR132054  Erodium botrys George K. Helmkamp 2003-7-31 8053 B San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR158736  Erodium botrys George K. Helmkamp, E. A. Helmkamp 2005-4-17 9366 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  UCR215800  Erodium botrys George K. Helmkamp 2004-2-17 08297 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd, 0.2 mi east of Mesa View Dr (Calif. Hwy 1) 76 Comment
  SEINET1004403  Erodium moschatum George K. Helmkamp 2004-1 8299 San Luis Obispo Central Coast: Mesa Dunes Mobile Home Park, along Mesa View Dr. (Hwy CA-1), 0.2 mi S of the jct with Halcyon Rd. 61 Comment
  UC1130320  Erodium moschatum N. K. Carlson 1936-3-18 138 San Luis Obispo 0.6 mi ssw Picacho; Arroyo Grande Quad. 99 Comment
  UCR140133  Erodium moschatum George K. Helmkamp 2004-2-19 8299 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park, along Mesa View Dr (Calif. Hwy 1), 0.2 mi south of the jct with Halcyon Rd. 61 Comment
  UC10534  Erysimum capitatum Alice King Mar 1895 San Luis Obispo Arroyo Grande Comment
  SBBG21205  Erysimum suffrutescens J. Patman 1963-4-13 1114 San Luis Obispo just S of Oceano Comment
  UC75795  Eschscholzia caespitosa Lizzie Cook May 1895 San Luis Obispo Arroyo Grande Comment
  CDA24556  Eschscholzia californica T. C. Fuller 1967-5-11 15818 San Luis Obispo Between railroad & street, opposite 1697 Front Street (Highway 1), Oceano. 0 Comment
  UCD95312  Eschscholzia californica G. K. Helmkamp 2004-3-15 8379 San Luis Obispo San Luis Obispo County: Central Coast; edge of Nipomo Mesa overlooking Cienaga Valley, along CA-1 (Mesa View Dr.), 0.3 mile north of Halcyon Road. 76 Comment
  UCR140467  Eschscholzia californica George K. Helmkamp 2004-3-15 8379 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  UCR16452  Eschscholzia californica Linda Hine 1967-3-25 s.n. San Luis Obispo Jct of Los Barros Road and Hwy 101 19 Comment
  UCR132025  Eucalyptus globulus George K. Helmkamp 2003-9-10 8139 San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  CDA34844  Eucalyptus viminalis David J. Keil, V. L Holland 2009-6-16 30619 San Luis Obispo Between San Luis Obispo and Arroyo Grande. Area southeast of intersection of California Highway 227 (Carpenter Canyon Road) and Noyes Road in vicinity of high tension line corridor. Comment
  OBI70809  Eucalyptus viminalis David J. Keil, with V. L. Holland 2009-6-16 30619 San Luis Obispo Between San Luis Obispo and Arroyo Grande. Area southeast of intersection of California Highway 227 (Carpenter Canyon Road) and Noyes Road in vicinity of high tension line corridor. Vic. 35 deg. 9.9'N x 120 deg. 34.9'W. Comment
  UC24007  Eucrypta chrysanthemifolia var. chrysanthemifolia Brewer 1861-1 447 San Luis Obispo Arroyo Grande Comment
Read comments
Jul 6 2010
  UC1953190  Eugenia David Keil 2010-7-21 30919 San Luis Obispo Along County Oak Way, east of Arroyo Grande, between Thomas Hill Road and Lopez Drive Comment
  OBI82359  Euphorbia David J. Keil 2015-9-23 33408 San Luis Obispo Arroyo Grande. Fair Oaks Avenue at Fred Grieb bridge over Arroyo Grande Creek. 25 Comment
  UCR158179  Euphorbia maculata George K. Helmkamp 2004-6-9 8616 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr (Calif. Hwy 1), 0.3 mi south of Halcyon Rd. 76 Comment
  CDA39650  Euphorbia oblongata J. Steele 2013-10-21 PDR# 400 P06140665 San Luis Obispo Oceano; Arroyo Grande Creek near 22nd St. Bridge. 0 Comment
  UCR141942  Euphorbia peplus George K. Helmkamp 2004-1-9 8239 San Luis Obispo Central Coast, Along Highway Calif. Hwy 1, 0.6 mi south of Nipomo Hill in the Arroyo Grande area 46 Comment
  UCR161213  Euphorbia peplus George K. Helmkamp, E. A. Helmkamp 2004-12-6 8872 San Luis Obispo Central Coast, Arroyo Grande Community Center, Ash and Elm Streets 30 Comment
  CDA12274  Festuca arundinacea G. F. Hrusa, J. Dinsdale June 1989 s.n. San Luis Obispo Lancaster Street, Arroyo Grande Ca. Comment
  OBI73584  Festuca bromoides David J. Keil, with V. L. Holland 2010-6-15 30888 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  OBI2711  Festuca myuros Larry E. Brown 1971-2-21 1917 San Luis Obispo In park in Oceano Comment
  UCR140372  Festuca myuros George K. Helmkamp 2004-3-19 8383 San Luis Obispo Central Coast, Arroyo Grande, along Traffic Way south of Grand Ave. at Arroyo Grande Creek 24 Comment
  UCR140397  Festuca myuros George K. Helmkamp 2004-3-21 8387 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of the junction of Halcyon Rd., SE of Oceano 61 Comment
  UCR158936  Festuca myuros George K. Helmkamp, E. A. Helmkamp 2005-4-17 9376 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  UCR161233  Festuca myuros var. hirsuta George K. Helmkamp, E. A. Helmkamp 2004-12-6 8873 San Luis Obispo Central Coast, Arroyo Grande Community Center, Ash and Elm Streets 30 Comment
  OBI43340  Festuca perennis Eric Wise 1981-6-22 637 San Luis Obispo Lopez Water Treatment Reservoir Comment
  OBI79795  Festuca temulenta David J. Keil, with V. L. Holland 2013-6-12 31797 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  UCR266043  Festuca temulenta David J. Keil, V. L. Holland 2013-6-12 31797 San Luis Obispo Central Coast, Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park 135 Comment
  UCR131913  Foeniculum vulgare George K. Helmkamp 2003-10-24 8218 San Luis Obispo Central Coast, El Campo Rd 0.1 mi east of Los Berros Rd, SE of Arroyo Grande 46 Comment
  RSA451787  Fragaria chiloensis Ralph Hoffman 1930-4-19 s.n. San Luis Obispo Oceano. Comment
  OBI27079  Frangula californica subsp. californica Jim Souza February1981 s.n. San Luis Obispo Grover City Comment
  SD39750  Frangula californica subsp. californica Edith A. Purer 1932-8-28 4856 San Luis Obispo Oceano, stabilized dunes Comment
  UCD99581  Frankenia palmeri P. B. Kennedy 1927-7-13 s.n. San Luis Obispo San Luis Obispo County: Oceano. Comment
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Jul 29 2012
  RSA699630  Franseria bipinnatifida Keith E. Hoffmaster 1935-7-3 s.n. San Luis Obispo Oceano. Comment
  UC3626  Fritillaria biflora Alice King Apr. 1895 San Luis Obispo Arroyo Grande Comment
  UC76372  Fritillaria biflora Miss M. Alice King Apr. 1895 San Luis Obispo Arroyo Grande Comment
  OBI82237  Gamochaeta pensylvanica David J. Keil, with V. L. Holland 2015-5-11 33182 San Luis Obispo Arroyo Grande, 400 Aloma Way 90 Comment
  SD264777  Gamochaeta pensylvanica David Keil, V. L. Holland 2015-5-11 33182 San Luis Obispo Arroyo Grande. 400 Aloma Way. 89 Comment
  UCR140139  Gazania linearis George K. Helmkamp 2004-2-17 8298 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd, 0.2 mi east of Mesa View Dr (Calif. Hwy 1) 76 Comment
  UC23832  Gilia achilleifolia subsp. achilleifolia Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  UC455638  Gilia achilleifolia subsp. achilleifolia California Polytechnic School 94 San Luis Obispo Arroyo Grande Comment
  UC73635  Gilia achilleifolia subsp. achilleifolia Miss M. Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  UC73638  Gilia achilleifolia subsp. achilleifolia Miss M. Alice King April 1895 San Luis Obispo Arroyo Grande Comment
  SBBG64678  Gilia achilleifolia subsp. multicaulis R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  UC23734  Gilia achilleifolia subsp. multicaulis Alice King Apr. 1895 San Luis Obispo Arroyo Grande Comment
  UC455643  Gilia minor I. J. Condit 1910-4-30 San Luis Obispo Oceano sand hills Oceano Comment
  CAS-BOT-BC225541  Gilia tenuiflora R. F. Hoover 1967-4-12 10433 San Luis Obispo Upper Arroyo Grande Comment
  CAS-BOT-BC225542  Gilia tenuiflora R. F. Hoover 1967-3-5 10245 San Luis Obispo Upper Arroyo Grande Comment
  SBBG58479  Glaux maritima R. Hoffmann 1930-4-18 San Luis Obispo Arroyo Grande Comment
  UCR132055  Gnaphalium luteoalbum George K. Helmkamp 2003-7-31 8054 B San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  CDA26798  Grevillea robusta David J. Keil, Lawrence M. Kelly, Kathryn Bay, Frieda Wertman 1988-11-12 21194 San Luis Obispo Near summit along California Route 227 between San Luis Obispo and Arroyo Grande. Elevation: 600-700 feet. 0 Comment
  UC1118574  Grindelia hirsutula H. C. Lee 1936-3-25 535 San Luis Obispo 3/4 mi se Pismo; Arroyo Grande Quad. Comment
  UC1296265  Guillenia lasiophylla R. F. Hoover 1947-3-26 6760 San Luis Obispo Oak Park district Oak Park Comment
  OBI79262  Hedera David J. Keil 2011-12-11 31206 San Luis Obispo Arroyo Grande. Branch Mill Road at outskirts of Arroyo Grande 47 Comment
  RSA736584  Helenium puberulum Keith E. Hoffmaster 1935-7-1 656 San Luis Obispo Near Arroyo Grande Comment
  CAS-BOT-BC211453  Helianthemum scoparium R. F. Hoover 1947-3-26 6755 San Luis Obispo Oak Park District Comment
  UC19189  Helianthemum scoparium Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  RSA212259  Helianthemum scoparium var. scoparium Robert F. Hoover 1947-3-26 6755 San Luis Obispo Oak Park district Comment
  UCR8984  Helianthemum scoparium var. vulgare J. Patman 1963-5-30 s.n. San Luis Obispo Road to Nipomo, south of Oceano and east of Hwy 1. 45 Comment
  OBI80095  Hemizonia congesta David J. Keil 2012-8-21 31504 San Luis Obispo Arroyo Grande. Vicinity of Arroyo Grande Creek near Bridge Street 25 Comment
  POM20532  Hemizonia increscens F. W. Peirson 1923-6-26 s.n. San Luis Obispo Arroyo Grande. Comment
  IRVC28932  Hemizonia increscens subsp. increscens G. K. Helmkamp 2003-10-24 8215 San Luis Obispo El Campo Rd 0.1 mi E of Los Berros Rd, SE of Arroyo Grande Central Coast 46 Comment
  UCR132012  Hemizonia increscens subsp. increscens George K. Helmkamp 2003-10-24 8215 San Luis Obispo Central Coast, El Campo Rd 0.1 mi east of Los Berros Rd, SE of Arroyo Grande 46 Comment
  UC455257  Hesperocnide tenella I. J. Condit 1910-4-30 San Luis Obispo Oceano Comment
  CDA17512  Heteranthemis viscidihirta Austin Griffiths 1980-7-2 s.n. San Luis Obispo Oceano Dunes; ca. 2 mi. S of Oceano. Farm residence. Comment
  CDA7028  Heteranthemis viscidihirta T. C. Fuller 1967-5-11 15817 San Luis Obispo Southwest of 16th & Warner Streets, Oceano. 0 Comment
  RSA190694  Heteranthemis viscidihirta T. C. Fuller 1967-5-11 15817 San Luis Obispo SW of 16th & Warner Stations, Oceano. Comment
  RSA710339  Heteranthemis viscidihirta George K. Helmkamp 2004-4-1 8410 San Luis Obispo Central Coast: Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 miles S of Halcyon Road 76 Comment
  UCR140092  Heteranthemis viscidihirta George K. Helmkamp 2004-4-1 8410 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
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Jul 6 2012
  OBI27092  Heteromeles arbutifolia Jim Souza February1981 s.n. San Luis Obispo Grover City Comment
  JEPS20383  Heterotheca grandiflora Miss R. N. Reid 1916-10-11 San Luis Obispo Arroyo Grande Comment
  OBI16094  Heterotheca grandiflora Mrs. Robert F. Hoover 1962-1-13 8 San Luis Obispo Arroyo Grande Comment
  SD39716  Heterotheca grandiflora Edith A. Purer 1932-8-28 4851 San Luis Obispo Oceano Comment
  UC1069577  Heterotheca grandiflora H. C. Lee 1936-3-18 518 San Luis Obispo 3/4 mi w Verde; Arroyo Grande Quadrangle Comment
  UC570112  Heterotheca grandiflora H. C. Lee 1936-3-18 518 San Luis Obispo 0.75 mi w Verdi; Arroyo Grande Quad. Comment
  UCD133029  Heterotheca grandiflora John C. Tothill 1960-8-1 s.n. San Luis Obispo San Luis Obispo County: Arroyo Grande. Comment
  UCR132044  Heterotheca grandiflora George K. Helmkamp 2003-7-29 8045 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  OBI73579  Holcus lanatus David J. Keil, with V. L. Holland 2010-6-15 30890 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  RSA769870  Holcus lanatus David J. Keil, V. L. Holland 2010-6-15 30890 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. 100 Comment
  UC12338  Holodiscus discolor Alice King 1895-5-1 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC289525  Hordeum brachyantherum subsp. californicum Ralph Hoffmann 1930-4-10 s.n. San Luis Obispo Oceano Comment
  CAS-BOT-BC289103  Hordeum depressum R. F. Hoover 1967-4-12 10423 San Luis Obispo Upper Arroyo Grande Comment
  OBI21918  Hordeum depressum Robert F. Hoover 1967-4-12 10423 San Luis Obispo Upper Arroyo Grande Comment
  OBI81016  Hordeum murinum Sammy Bueche, Anthony Campos, Mia Stornetta, Jessie Poletti, John Corotis, Andy Catanio 2014-4-24 5 San Luis Obispo Strother Park. Hillside that gradually slopes into a flat area along the bank of the Arroyo Grande Creek. 14 Comment
  UC1132557  Hordeum murinum subsp. leporinum N. K. Carlson 1936-3-18 139 San Luis Obispo .6 mi ssw Picacho; Arroyo Grande Quad. Comment
  UCR140074  Hordeum murinum subsp. leporinum George K. Helmkamp 2004-4-1 8419 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
  OBI82245  Horkelia cuneata David J. Keil, with V. L. Holland 2015-5-11 33180 San Luis Obispo Arroyo Grande, 400 Aloma Way 90 Comment
  OBI82466  Horkelia cuneata David J. Keil, with V. L. Holland 2015-6-19 33248 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 150 Comment
  OBI27088  Horkelia cuneata subsp. cuneata Jim Souza Feb-81 s.n. San Luis Obispo Grover City Comment
  OBI70811  Horkelia cuneata subsp. cuneata David J. Keil, with V. L. Holland 2009-6-16 30620 San Luis Obispo Between San Luis Obispo and Arroyo Grande. Area southeast of intersection of California Highway 227 (Carpenter Canyon Road) and Noyes Road in vicinity of high tension line corridor. Vic. 35 deg. 9.9'N x 120 deg. 34.9'W. Comment
  UC453994  Horkelia cuneata subsp. cuneata Unangst 1906-5-17 San Luis Obispo Oak Park Comment
  UC454991  Horkelia cuneata subsp. cuneata I. J. Condit 1910-4-30 San Luis Obispo Oceano, Sand Hills Comment
  UC73030  Horkelia cuneata subsp. cuneata Miss M. Alice King 1895-5-1 San Luis Obispo arroyo grande Comment
  RSA770154  Horkelia cuneata subsp. puberula David J. Keil, V. L. Holland 2010-6-15 30893 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. 100 Comment
  SEINET2442401  Horkelia cuneata subsp. puberula David Keil, V. L. Holland 2010-6-15 30893 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre parcel. 100 Comment
  UC1953200  Horkelia cuneata subsp. puberula David Keil with V. L. Holland 2010-6-15 30893 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  OBI73581  Horkelia cuneata var. puberula David J. Keil, with V. L. Holland 2010-6-15 30893 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  OBI73601  Horkelia cuneata var. puberula David J. Keil 2010-7-13 30916 San Luis Obispo Hondonada Road, east of Arroyo Grande 115 Comment
  SBBG127208  Horkelia cuneata var. puberula D. Keil, V. L. Holland 2010-6-15 30893 San Luis Obispo between San Luis Obispo and Arroyo Grande at 615 Ormonde Rd, S of intersection of Ormonde Rd with Price Cyn Rd 100 Comment
  UC1953185  Horkelia cuneata var. puberula David Keil 2010-7-13 30916 San Luis Obispo Hondonada Road, east of Arroyo Grande. Comment
  SBBG72453  Horkelia cuneata var. sericea R. Hoffmann 1930-4-19 San Luis Obispo Arroyo Grande Comment
  SBBG70395  Hornungia procumbens R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  UC454504  Hydrocotyle ranunculoides I. J. Condit 1909-9-6 San Luis Obispo Oceano Comment
  UCD128231  Hydrocotyle ranunculoides P. B. Kennedy 1927-7-12 s.n. San Luis Obispo San Luis Obispo County: Oceano. Comment
  JEPS36512  Hypochaeris glabra W. L. Jepson 1941-4-17 20253 San Luis Obispo Arroyo Grande Comment
  UCR140076  Hypochaeris glabra George K. Helmkamp 2004-4-1 8412 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
  UCR134695  Hypochaeris radicata George K. Helmkamp 2003-9-10 8140 San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR140131  Hypochaeris radicata George K. Helmkamp 2004-2-17 8296 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd, 0.2 mi east of Mesa View Dr (Calif. Hwy 1) 76 Comment
  CAS-BOT-BC311525  Ismelia carinata T. C. Fuller 1967-5-11 15817 San Luis Obispo S.W. of 16th & Warner Sts., Oceano Comment
  OBI75320  Isocoma menziesii var. menziesii David J. Keil 2010-11-10 30947 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road. Comment
  SD41495  Isocoma menziesii var. menziesii Edith A. Purer 1932-8-28 4852 San Luis Obispo Oceano on sand dunes Comment
  UC2026935  Isocoma menziesii var. menziesii David J. Keil 2010-11-10 30947 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road Comment
  JEPS19131  Isocoma menziesii var. vernonioides W. L. Jepson 1940-10-3 20156 San Luis Obispo Arroyo Grande Comment
  UC1118865  Isocoma menziesii var. vernonioides H. C. Lee 1936-3-14 501 San Luis Obispo 1 mi nw Oceano; Arroyo Grande Quadrangle Comment
  SBBG59238  Isolepis cernua R. Hoffmann 1930-4-19 San Luis Obispo Arroyo Grande Comment
  OBI13702  Juglans hindsii R. A. Hays 1957-11-27 s.n. San Luis Obispo Arroyo Grande Comment
  RSA368333  Juncus breweri Edith A. Purer 1932-8-28 16077 San Luis Obispo Oceano Comment
  RSA368334  Juncus breweri Edith A. Purer 1931-8-5 14057 San Luis Obispo Oceano Comment
  RSA38862  Juncus breweri Edith A. Purer 1932-8-28 s.n. San Luis Obispo Oceano Comment
  RSA699935  Juncus breweri Keith E. Hoffmaster 1935-7-3 s.n. San Luis Obispo Oceano. Comment
  SBBG57267  Juncus effusus R. Hoffmann 1931-5-30 San Luis Obispo Oceano Comment
  SBBG57277  Juncus lescurii R. Hoffmann 1930-4-18 San Luis Obispo near marsh, Arroyo Grande Comment
  SBBG57281  Juncus lescurii R. Hoffmann 1930-4-19 San Luis Obispo Oceano Comment
  SBBG96192  Juncus lescurii T. L. Secrest 1951-9-15 San Luis Obispo Oceano Comment
  SD37609  Juncus lescurii Edith A. Purer 1932-8-28 4840 San Luis Obispo Oceano, sand dunes. Comment
  UC1334651  Keckiella cordifolia Austin Griffiths Jr. and Patricia L. Griffiths 1966-7-25 5073 b San Luis Obispo ca 1.5 mi se Oceano Comment
  UC27429  Keckiella cordifolia Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UC76440  Keckiella cordifolia Ramona Sanford May 1895 San Luis Obispo Arroyo Grande Comment
  UCD123814  Keckiella cordifolia R. N. Raynor 1939-7-4 s.n. San Luis Obispo San Luis Obispo County: Arroyo Grande Park. Comment
  UC76427  Lagophylla ramosissima Miss M. Alice King 1895-5-1 San Luis Obispo Arroyo Grande Comment
  CHSC61254  Lamarckia aurea T. B. Devine 1980-4-5 663 San Luis Obispo Along Frontage Rd. just e of Hwy 101 ca 1 mi s of Arroyo Grande. Roadcut beside pasture. Comment
  JEPS72954  Lamarckia aurea W. L. Jepson 1941-4-17 20257 San Luis Obispo Arroyo Grande Comment
  OBI82360  Lamium amplexicaule David J. Keil 2015-9-21 33407 San Luis Obispo Arroyo Grande. Fair Oaks Avenue at Fred Grieb bridge over Arroyo Grande Creek. 25 Comment
  RSA770156  Landoltia punctata David J. Keil, V. L. Holland 2010-6-15 30886 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. 100 Comment
  SBBG127205  Landoltia punctata D. Keil, V. L. Holland 2010-6-15 30886 San Luis Obispo between San Luis Obispo and Arroyo Grande at 615 Ormonde Rd, S of intersection of Ormonde Rd with Price Cyn Rd 98 Comment
  UC1969548  Landoltia punctata David Keil with V. L. Holland 2010-6-15 30886 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon road. 5-acre rectangular parcel. Comment
  CAS-BOT-BC412780  Lastarriaea coriacea R. F. Hoover 1969-5-3 11298 San Luis Obispo Upper Arroyo Grande Comment
  OBI10922  Lastarriaea coriacea Robert F. Hoover 1969-5-3 11298 San Luis Obispo Upper Arroyo Grande Comment
  SBBG61758  Lastarriaea coriacea R. Hoffmann 1930-4-18 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC334575  Lasthenia californica Alice Eastwood; John Thomas Howell 1937-4-30 4164 San Luis Obispo In the upper Arroyo Grande Comment
  CAS-BOT-BC339023  Lasthenia californica R. F. Hoover 1967-3-5 10240 San Luis Obispo Upper Arroyo Grande Comment
  UC1314950  Lasthenia gracilis R. F. Hoover 1967-3-5 10240 San Luis Obispo Upper Arroyo Grande Comment
  UCR141946  Lavatera assurgentiflora George K. Helmkamp 2003-12-18 8233 San Luis Obispo Central Coast, Arroyo Grande, Courtland Ave. one block south of Grand Ave. 15 Comment
  UCR132052  Lavatera cretica George K. Helmkamp 2003-7-31 8048 B San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UC75945  Layia glandulosa Alice King 1895-5-1 San Luis Obispo Arroyo Grande Comment
  UC455581  Layia hieracioides I. J. Condit 1910-4-30 San Luis Obispo Oceano Comment
  UC75862  Layia hieracioides Miss M. Alice King 1895-5-1 San Luis Obispo Arroyo Grande Comment
  UC455203  Lemna minuscula I. J. Condit 1908-11-14 San Luis Obispo Oceano Comment
  OBI73599  Lemna minuta David J. Keil, with V. L. Holland 2010-6-15 30887 A San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  UC1969534  Lemna minuta David Keil with V. L. Holland 2010-6-15 30887 A San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  UCR132051  Lepidium latifolium George K. Helmkamp 2003-7-31 8068 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UC569957  Lepidium nitidum N. K. Carlson 1936-3-18 134 San Luis Obispo 0.6 mi sw Picacho; Arroyo Grande Quad. 99 Comment
  OBI79961  Lepidium virginicum subsp. menziesii David J. Keil, with V. L. Holland 2013-6-12 31798 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  OBI59298  Leptochloa fusca subsp. uninervia David J. Keil 2001-6-26 29626 San Luis Obispo Arroyo Grande, Camino Mercado, ca. 0.2 mile north from junction with west Branch Street. Comment
  UC23421  Leptodactylon californicum Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UC455681  Leptodactylon californicum I. J. Condit and Ewing 1908-11-14 San Luis Obispo Oceano Comment
  CDA17542  Lessingia filaginifolia var. filaginifolia Austin Griffiths 1980-9-7 s.n. San Luis Obispo Pismo Dunes; SW corner of Beach and 19th St., Oceano. Comment
  IRVC28940  Lessingia filaginifolia var. filaginifolia G. K. Helmkamp 2003-9-10 8138 San Luis Obispo 0.6 mi S of Nipomo Hill in Arroyo Grande area Central Coast 46 Comment
  UCR132026  Lessingia filaginifolia var. filaginifolia George K. Helmkamp 2003-9-10 8138 San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  JEPS68577  Leymus X multiflorus Chas. E. Denman Oct. 1913 San Luis Obispo Upper Arroyo Grande Comment
  OBI82467  Linanthus californicus David J. Keil, with V. L. Holland 2015-6-19 33249 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 110 Comment
  OBI78394  Linaria bipartita Austin P. Griffiths 1978-5-20 s.n. San Luis Obispo Weeds of the Central Coast. Oceano Comment
  UCD123826  Linaria bipartita Austin P. Griffiths 1978-5-20 s.n. San Luis Obispo San Luis Obispo County: Oceano. 10 Comment
  UCR115285  Linaria bipartita Austin P. Griffiths 1978-5-20 s.n. San Luis Obispo Central Coast, city of Oceano 10 Comment
  UCR161232  Linaria bipartita George K. Helmkamp, E. A. Helmkamp 2004-12-6 8874 San Luis Obispo Central Coast, Arroyo Grande Community Center, Ash and Elm Streets 30 Comment
  RSA660574  Linaria maroccana Austin P. Griffiths 1978-5-20 10 -99 San Luis Obispo Oceano. 10 Comment
  SBBG113392  Linaria maroccana A. P. Griffiths 1976-5-20 San Luis Obispo Oceano 10 Comment
  CDA17631  Linaria pinifolia A. Griffiths 1978-5-2 s.n. San Luis Obispo Oceano. Comment
  CHSC85705  Linaria pinifolia Austin P. Griffiths 1978-5-20 San Luis Obispo Central Coast. Pasture in Oceano. 10 Comment
  UC1135267  Lithocarpus densiflorus H. C. Lee 1936-2-28 439 San Luis Obispo 2 mi e Arroyo Grande; Arroyo Grande Quad. 182 Comment
  UC11894  Lithophragma cymbalaria Alice King June 1895 San Luis Obispo Arroyo Grande Comment
  UCR16410  Lithophragma heterophyllum Val Chase 1965-4-16 79 San Luis Obispo 4 mi south of Edna on the road from Edna to Arroyo Grande 76 Comment
  CDA16133  Lobularia maritima G. F. Hrusa 1999-2-24 14923 San Luis Obispo South Coast Ranges; Hwy 227, at corner of Noyes Rd, at top of hill. 143 Comment
  RSA436060  Lobularia maritima Dr Ralph Hoffman 1930-4-18 s.n. San Luis Obispo Oceano Comment
  UC75865  Logfia filaginoides Miss M. Alice King 1895-5-1 San Luis Obispo Arroyo Grande Comment
  UCR160304  Lolium multiflorum George K. Helmkamp 2004-5-9 8574 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr. (Calif. Hwy 1), 0.2 mi south of the jct of Halcyon Rd. 61 Comment
  UCR132753  Lolium perenne George K. Helmkamp 2003-7-29 8037 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  RSA86787  Lolium perenne subsp. multiflorum F. W. Peirson 1932-7-4 s.n. San Luis Obispo Oceano. Comment
  UC1132211  Lolium temulentum N. K. Carlson 1936-3-18 142 San Luis Obispo 0.6 mi ssw Picacho; Arroyo Grande Quad. 99 Comment
  UC76381  Lomatium dasycarpum subsp. dasycarpum Miss M. Alice King 1895-1 San Luis Obispo Arroyo Grande Comment
  SBBG69584  Lonicera involucrata var. ledebourii R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  UC28547  Lonicera involucrata var. ledebourii W. H. Brewer Apr 12 1861-Apr 13 1861 427 San Luis Obispo Arroyo Grande Comment
  UC455870  Lonicera involucrata var. ledebourii I. J. Condit and Ewing 1909-11-14 San Luis Obispo Oceano Comment
  UC455871  Lonicera involucrata var. ledebourii I. J. Condit 1910-4-30 San Luis Obispo Oceano Comment
  A386001  Lonicera ledebourii Ralph Hoffmann 1930-4-10 Unknown Oceano Comment
Read comments
May 26 2013
  OBI75695  Lotus biolettii var. spiralis Robert F. Hoover 1946-6-28 6198 San Luis Obispo Oak Park district Comment
  UCR132046  Lotus corniculatus George K. Helmkamp 2003-7-31 8055 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  JEPS55469  Lotus heermannii unknown 1919-7-31 237 San Luis Obispo Oceano Comment
  CAS-BOT-BC8387  Lotus junceus Robert Francis Hoover 1946-6-28 6198 San Luis Obispo Oak Park district Comment
  UC1321323  Lotus junceus R. F. Hoover 1966-5-15 9857 San Luis Obispo Oak Park district Comment
  UC454682  Lotus junceus var. biolettii Unangst 1906-5-17 684 San Luis Obispo Oak Park Comment
  JEPS55763  Lotus purshianus var. purshianus unknown 1919-7-31 239 San Luis Obispo Oceano Comment
  RSA406887  Lotus scoparius Ralph Hoffmann 1930-4-19 s.n. San Luis Obispo Arroyo Grande. Comment
  UC1129161  Lotus scoparius N. K. Carlson 1936-3-21 198 San Luis Obispo 1.1 mi nnw Corbett; Arroyo Grande Quad. 99 Comment
  UC1285199  Lotus scoparius R. F. Hoover 1946-6-28 6199 San Luis Obispo Oak Park district Oak Park Comment
  UC1129198  Lotus strigosus N. K. Carlson 1935-3-19 163 San Luis Obispo 0.2 mi s Nipomo Hill; Arroyo Grande Quad. 121 Comment
  UC1129201  Lotus strigosus N. K. Carlson 1936-3-18 125 San Luis Obispo 0.2 mi e Nipomo Hill; Arroyo Grande Quad. 76 Comment
  UCR140378  Lotus strigosus George K. Helmkamp 2004-3-15 8366 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  UC1129231  Lotus wrangelianus N. K. Carlson 1936-3-18 127 San Luis Obispo 1 mi e Nipomo Hill; Arroyo Grande Quad. 76 Comment
  JEPS85685  Lupinus W. L. Jepson 1941-4-17 20255 San Luis Obispo Arroyo Grande Comment
  A366657  Lupinus albifrons A. Eastwood 1941-4-20 18963 Unknown Upper Arroya [Arroyo] Grande Comment
  CAS-BOT-BC195777  Lupinus albifrons var. albifrons Alice Eastwood 1941-4-20 18963 San Luis Obispo Upper Arroya [Arroyo] Grande Comment
  GH366761  Lupinus arboreus W. H. Brewer April, 1860-62 435 , 450 Unknown Arroyo Grande Comment
  RSA699720  Lupinus arboreus Keith E. Hoffmaster 1935-7-3 531 San Luis Obispo Oceano. Comment
  RSA699725  Lupinus arboreus Keith E. Hoffmaster 1935-7-3 531 San Luis Obispo Oceano. Comment
  SD186205  Lupinus arboreus G. K. Helmkamp 2003-7-29 8046 B San Luis Obispo 0.6 mile south of Nipomo Hill in Arroyo Grande area. 46 Comment
  UC1129335  Lupinus arboreus H. C. Lee 1936-5-17 612 San Luis Obispo 1 mi nw Junction Canyons #1 and 2; Arroyo Grande Quad. Comment
  UC1129338  Lupinus arboreus F. H. Raymond 1930-12-19 133 San Luis Obispo s Arroyo Grande; Santa Barbara National Forest, Arroyo Grande Quad. 121 Comment
  UC1129358  Lupinus arboreus H. C. Lee 1936-3-2 443 San Luis Obispo 2 mi n Arroyo Grande; Arroyo Grande Quad. Comment
  UC149944  Lupinus arboreus Katharine Brandegee 1911-5-27 San Luis Obispo near San Luis Obispo (Oceano); near San Luis Obispo, Oceano Comment
  UC454630  Lupinus arboreus Unangst 1906-5-17 681 San Luis Obispo Oak Park Comment
  UCD106635  Lupinus arboreus P. B. Kennedy 1927-7-13 s.n. San Luis Obispo San Luis Obispo County: Oceano. Comment
  UCR132050  Lupinus arboreus George K. Helmkamp 2003-7-29 8046 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  POM10850  Lupinus arboreus var. arboreus M. Alice King 1895-05 s.n. San Luis Obispo Arroyo Grande. Comment
  POM20548  Lupinus arboreus var. arboreus F. W. Peirson 1923-6-26 s.n. San Luis Obispo Arroyo Grande. Comment
  POM215755  Lupinus arboreus var. arboreus D. D. Keck 1933-5-5 2214 San Luis Obispo Oceano, southwestern San Luis Obispo county. Comment
  POM216320  Lupinus arboreus var. arboreus D. D. Keck 1933-5-5 2213 San Luis Obispo Oceano, southwestern San Luis Obispo county. Comment
  POM349924  Lupinus arboreus var. arboreus E. A. Purer 1931-8-5 14041 San Luis Obispo Between Oceano and Pismo Beach. Comment
  RSA285658  Lupinus arboreus var. arboreus D. C. Michener 1982-7-22 4071 San Luis Obispo West side of top of ridge of Noyes Road ca. 0.2 miles west of junction with Ca 227. Comment
  SBBG71260  Lupinus bicolor R. Hoffmann 1930-4-19 San Luis Obispo Arroyo Grande Comment
  UC1129359  Lupinus bicolor N. K. Carlson 1936-3-18 123 San Luis Obispo 1 mi e Nipomo Hill; Arroyo Grande Quad. 76 Comment
  UC73207  Lupinus bicolor Miss M. Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  UCD107240  Lupinus bicolor G. K. Helmkamp 2004-3-15 8375 San Luis Obispo San Luis Obispo County: Central Coast; edge of Nipomo Mesa overlooking Cienaga Valley, along CA-1 (Mesa View Dr.), 0.3 mile north of Halcyon Road. 76 Comment
  UCR140155  Lupinus bicolor George K. Helmkamp 2004-3-13 8339 San Luis Obispo Central Coast, Nipomo Mesa, SE of Oceano, Mesa Dunes Mobile Home Park, along Mesa View Dr., 0.2 mi south of the jct of Halcyon Rd 76 Comment
  UCR140387  Lupinus bicolor George K. Helmkamp 2004-3-15 8375 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  UCR158737  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2005-4-17 9367 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  OBI27083  Lupinus chamissonis Jim Souza February1981 s.n. San Luis Obispo Grover City Comment
  OBI54020  Lupinus chamissonis Unknown 1993-9-15 s.n. San Luis Obispo Arroyo Grande, at 1598 Hillcrest Comment
  SBBG68984  Lupinus chamissonis R. Hoffmann 1931-5-30 San Luis Obispo Oceano Comment
  SBBG68985  Lupinus chamissonis R. Hoffmann 1930-4-19 San Luis Obispo Oceano Comment
  UC149968  Lupinus chamissonis Katharine Brandegee 1911-5-27 San Luis Obispo Oceano Comment
  UC73238  Lupinus chamissonis Miss M. Alice King June, 1895 San Luis Obispo Arroyo Grande Comment
  UCR132065  Lupinus chamissonis George K. Helmkamp 2003-7-29 8043 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UC1129493  Lupinus hirsutissimus H. C. Lee 1936-3-2 444 San Luis Obispo 1 3/4 mi ne Arroyo Grande; Arroyo Grande Quad. Comment
  POM179184  Lupinus latifolius subsp. latifolius Alice Eastwood 1941-4-20 18964 San Luis Obispo Upper Arroyo Grande. Comment
  CAS-BOT-BC207218  Lupinus ludovicianus R. F. Hoover 1969-5-3 11301 San Luis Obispo Upper Arroyo Grande Comment
  CAS-BOT-BC207219  Lupinus ludovicianus R. F. Hoover 1964-5-11 8800 San Luis Obispo Upper Arroyo Grande Comment
  CAS-BOT-BC207225  Lupinus ludovicianus Alice Eastwood; John Thomas Howell 1937-4-30 4165 San Luis Obispo In the Upper Arroyo Grande. Comment
  CAS-BOT-BC207230  Lupinus ludovicianus R. F. Hoover 1969-5-3 11301 San Luis Obispo Upper Arroyo Grande Comment
  CAS-BOT-BC207231  Lupinus ludovicianus R. F. Hoover 1964-5-11 8800 San Luis Obispo Upper Arroyo Grande Comment
  CAS-BOT-BC207232  Lupinus ludovicianus R. F. Hoover 1964-5-11 8800 San Luis Obispo Upper Arroyo Grande Comment
  JEPS65331  Lupinus ludovicianus Alice King June 1895 San Luis Obispo Arroyo Grande Comment
  OBI19290  Lupinus ludovicianus Robert F. Hoover 1969-5-3 11301 San Luis Obispo Upper Arroyo Grande Comment
  OBI19291  Lupinus ludovicianus Robert F. Hoover 1964-5-11 8800 San Luis Obispo Upper Arroyo Grande Comment
  RSA201632  Lupinus ludovicianus Robert F. Hoover 1964-5-11 8800 San Luis Obispo Upper Arroyo Grande Comment
  RSA216748  Lupinus ludovicianus Robert F. Hoover 1969-5-3 11301 San Luis Obispo Upper Arroyo Grande Comment
  RSA303891  Lupinus ludovicianus J. R. Shevock 1972-4-1 1524 San Luis Obispo Arroyo Grande 244 Comment
  UC1392782  Lupinus ludovicianus R. F. Hoover 1969-5-3 11301 San Luis Obispo upper Arroyo Grande Comment
  UC455602  Lupinus ludovicianus Unangst 1906-5-17 805 San Luis Obispo Oak Park Comment
  UC455616  Lupinus ludovicianus Unangst 1906-5-17 682 San Luis Obispo Oak Park Comment
  UC73198  Lupinus ludovicianus Miss M. Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  UC865312  Lupinus ludovicianus Alice Eastwood and John Thomas Howell 1937-4-30 4165 San Luis Obispo in the upper Arroyo Grande Upper Arroyo Grande; in the upper Arroyo Grande Comment
  UC73197  Lupinus microcarpus var. microcarpus Miss M. Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  JEPS65384  Lupinus nanus W. L. Jepson 1941-4-17 20255 San Luis Obispo Arroyo Grande Comment
  UC15976  Lupinus nanus W. H. Brewer 1861-4-13 451 San Luis Obispo Arroyo Grande Comment
  UCD109012  Lupinus nanus G. K. Helmkamp 2004-3-15 8378 San Luis Obispo San Luis Obispo County: Central Coast; edge of Nipomo Mesa overlooking Cienaga Valley, along CA-1 (Mesa View Dr.), 0.3 mile north of Halcyon Road. 76 Comment
  UCR140121  Lupinus nanus George K. Helmkamp 2004-2-17 8294 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd, 0.2 mi east of Mesa View Dr (Calif. Hwy 1) 76 Comment
  UCR140466  Lupinus nanus George K. Helmkamp 2004-3-15 8378 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  UCR158744  Lupinus nanus George K. Helmkamp, E. A. Helmkamp 2005-4-17 9364 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  RSA709063  Lupinus nanus subsp. nanus George K. Helmkamp, E. A. Helmkamp 2005-4-17 9364 San Luis Obispo Central Coast: Corbett canyon, 2.3 miles N of Hwy CA-227 in Arroyo Grande. 81 Comment
  SEINET10354483 Image available Lupinus sparsiflorus W. J. Hess, Cherwin, K; Shepard, W 2000-1 8948 Santa Barbara Happy Valley Canyon Rd, 12 mi. E of St. 154 & 254, Los Padres Natn'l Forest. Comment
  UC1129730  Lupinus truncatus H. C. Lee 1936-3-23 532 San Luis Obispo 1 1/2 mi w Arroyo Grande; <San Luis Obispo National Forest>, Arroyo Grande Quad. Comment
  UC16028  Lupinus truncatus Alice King Apr. 1895 San Luis Obispo Arroyo Grande Comment
  UCR140385  Lupinus truncatus George K. Helmkamp 2004-3-15 8373 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  OBI37681  Lysimachia arvensis Eric Wise 1981-6-22 650 San Luis Obispo Lopez Water Treatment Reservoir Comment
  CAS-BOT-BC343881  Madia elegans Alice Eastwood; John Thomas Howell 1937-4-30 4166 San Luis Obispo In the upper Arroyo Grande Comment
  CAS-BOT-BC343882  Madia elegans Alice Eastwood; John Thomas Howell 1937-4-30 4166 San Luis Obispo In the upper Arroyo Grande Comment
  UC455511  Madia exigua E. P. Unangst 1906-5-9 899 San Luis Obispo Oak Park Comment
  UC455580  Madia exigua E. P. Unangst 1906-5-14 San Luis Obispo Oak Park Comment
  UC1122022  Malacothamnus jonesii F. H. Raymond 1930-11-8 125 San Luis Obispo Arroyo Grande Quadrangle, Picacho Comment
  POM362344  Malacothrix californica E. A. Purer 1932-8-28 s.n. San Luis Obispo Oceano Comment
  SD40009  Malacothrix californica Edith A. Purer 1932-8-28 San Luis Obispo Oceano Comment
  UC218822  Malacothrix californica Katharine Brandegee San Luis Obispo Oceano Comment
  UC33269  Malacothrix californica Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  UC75863  Malacothrix californica Miss M. Alice King June, 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC322489  Malacothrix incana H. Bryan Reed 1941-8-1 s.n. San Luis Obispo Between Pismo and Oceano along beach, found also at Casmailia Comment
  POM362345  Malacothrix incana E. A. Purer 1932-8-28 s.n. San Luis Obispo Oceano. Comment
  SD40004  Malacothrix incana Edith A. Purer 1932-8-28 4848 San Luis Obispo Oceano Comment
  SD40006  Malacothrix incana Edith A. Purer 1932-8-28 4848 San Luis Obispo Oceano Comment
  SD40012  Malacothrix incana Edith A. Purer 1937-8-7 2234 San Luis Obispo Oceano Comment
  UC126749  Malacothrix incana I. J. Condit 1908-11-14 4 San Luis Obispo Oceano Comment
  UC1314924  Malacothrix incana R. F. Hoover 1967-9-13 10863 San Luis Obispo Oceano Comment
  UC217390  Malacothrix incana H. M. Hall 1919-10-16 San Luis Obispo Oceano Comment
  UC455514  Malacothrix incana I. J. Condit and F. Ewing San Luis Obispo Oceano Comment
  UC797831  Malacothrix incana G. L. Stebbins Jr. 1939-2-11 2657 San Luis Obispo Oceano Comment
  OBI64152  Malosma laurina David J. Keil 2001-7-5 29636 San Luis Obispo Arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondanada Road. Comment
  OBI66755  Malosma laurina David J. Keil 2004-8-31 29102 San Luis Obispo Arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondonada Road. Comment
  OBI70807  Malosma laurina David J. Keil, with V. L. Holland 2009-6-16 30617 San Luis Obispo Between San Luis Obispo and Arroyo Grande. Area southeast of intersection of California Highway 227 (Carpenter Canyon Road) and Noyes Road in vicinity of high tension line corridor. Vic. 35 deg. 9.9'N x 120 deg. 34.9'W. Comment
  RSA756004  Malosma laurina David J. Keil 2000-8-30 29102 San Luis Obispo Arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondonada Road Comment
  RSA769825  Malosma laurina David J. Keil, V. L. Holland 2009-6-16 30617 San Luis Obispo Between San Luis Obispo and Arroyo Grande. Area southeast of intersection of California Highway 227 (Carpenter Canyon Road) and Noyes Road in vicinity of high tension line corridor. 170 Comment
  SBBG132538  Malosma laurina D. Keil, V. L. Holland 2009-6-16 30617 San Luis Obispo between San Luis Obispo and Arroyo Grande, area SE of intersection of California Hwy 227 (Carpenter Cyn Rd) and Noyes Rd in vicinity of high tension line corridor 170 Comment
  UC1872976  Malosma laurina David Keil 2001-7-5 29636 San Luis Obispo Arroyo Grande area. Ca. 0.5 mi off Lopez Drive on Hondanada Road. Comment
  UC1927812  Malosma laurina David Keil 2000-8-30 29102 San Luis Obispo Arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondonada Road. Comment
  OBI80096  Malva assurgentiflora David J. Keil 2012-8-21 31506 San Luis Obispo Arroyo Grande. Vicinity of Arroyo Grande Creek near Bridge Street 25 Comment
  SBBG54965  Malva assurgentiflora S. A. Junak 1978-4-9 San Luis Obispo behind building at 100 W Branch St; Arroyo Grande [intentional planting] Comment
  OBI58267  Malva nicaeensis Austin P. Griffiths 1987-4-29 s.n. San Luis Obispo Weeds of California. Oceano Comment
  OBI81017  Malva nicaeensis Sammy Bueche, Anthony Campos, Mia Stornetta, Jessie Poletti, John Corotis, Andy Catanio 2014-4-24 8 San Luis Obispo Strother Park. Hillside that gradually slopes into a flat area along the bank of the Arroyo Grande Creek. 14 Comment
  UCR132143  Malva nicaeensis George K. Helmkamp 2003-10-24 8213 San Luis Obispo Central Coast, El Campo Rd 0.1 mi east of Los Berros Rd, SE of Arroyo Grande 46 Comment
  UCR134692  Malva nicaeensis George K. Helmkamp 2003-9-21 8162 San Luis Obispo Central Coast, Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande 46 Comment
  UCR141943  Malva nicaeensis George K. Helmkamp 2003-12-18 8232 San Luis Obispo Central Coast, Arroyo Grande, Courtland Ave. one block south of Grand Ave. 15 Comment
  CDA17886  Malva parviflora A. Griffiths 1987-4-29 s.n. San Luis Obispo Oceano. 0 Comment
  CDA17905  Malva parviflora Austin Griffiths 1987-3-17 18068 San Luis Obispo Oceano 0 Comment
  OBI58241  Malva parviflora Austin P. Griffiths 1987-3-17 18068 San Luis Obispo Weeds of California. Oceano Comment
  UCR115118  Malva parviflora Austin P. Griffiths 1987-3-17 18068 San Luis Obispo Oceano Comment
  OBI82363  Malva pseudolavatera David J. Keil 2015-9-21 33404 San Luis Obispo Arroyo Grande. Vacant lot at northwestern corner of intersection of Woodland Drive and Fair Oaks Avenue. 25 Comment
  SBBG69438  Marah fabacea R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  UC1122845  Marah fabacea N. K. Carlson 1936-3-18 140 San Luis Obispo 0.6 mi ssw Picacho (Plot #2); Arroyo Grande Quadrangle Comment
  UCR132146  Marrubium vulgare George K. Helmkamp 2003-10-24 8219 San Luis Obispo Central Coast, El Campo Rd 0.1 mi east of Los Berros Rd, SE of Arroyo Grande 46 Comment
  UC35558  Matricaria discoidea W. H. Brewer April 1861 426 San Luis Obispo Arroyo Grande Comment
  CHSC85753  Maytenus boaria Austin P. Griffiths 1980-5-1 San Luis Obispo Central Coast. At NW corner of 1255 Grand Ave, Arroyo Grande. Male at extreme corner and female is just to E. 25 Comment
  CHSC91699  Maytenus boaria Austin P. Griffiths 1980-4-1 San Luis Obispo Central Coast. At Security Pacific Bank in Arroyo Grande. Comment
  SEINET199106 Image available Meconella linearis Alex D. Hawkes, R. Bacigalupi 1951-5-26 4897 San Luis Obispo Road fon San Luis Obispo toward Huasna Canyon, nar Arroyo Grande, in deep wooded valley. Comment
  UC1129806  Medicago polymorpha N. K. Carlson 1936-3-18 132 San Luis Obispo 0.6 mi ssw Picacho (Plot 2); Arroyo Grande Quadrangle Comment
  UCR132036  Medicago polymorpha George K. Helmkamp 2003-7-31 8069 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR140084  Medicago polymorpha George K. Helmkamp 2004-2-10 8270 San Luis Obispo Central Coast, southeast of Oceano along Halcyon Rd., 0.2 mi east of Mesa View Dr. 76 Comment
  UCR140099  Medicago polymorpha George K. Helmkamp 2004-2-7 8264 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd., just east of Mesa View Dr. 76 Comment
  UCR140408  Medicago polymorpha George K. Helmkamp 2004-2-19 8302 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park, along Mesa View Dr (Calif. Hwy 1), 0.2 mi south of the jct with Halcyon Rd. 61 Comment
  UCR132144  Medicago sativa George K. Helmkamp 2003-10-24 8216 San Luis Obispo Central Coast, El Campo Rd 0.1 mi east of Los Berros Rd, SE of Arroyo Grande 46 Comment
  RSA348172  Melilotus albus E. A. Purer 1931-08 14540 San Luis Obispo Oceano Comment
  OBI36696  Melilotus indicus Eric Wise 1981-6-22 651 San Luis Obispo Lopez Water Treatment Reservoir Comment
  CDA43315  Mentha X rotundifolia David J. Keil 2010-11-1 30948 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and Arroyo Grande south of intersection of Ormonde Road with Price Canyon Road. Comment
  SBBG127293  Mentha X rotundifolia D. J. Keil 2010-11-10 30948 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Rd, between San Luis Obispo and Arroyo Grande S of intersection of Ormonde Rd with Price Cyn Rd 97 Comment
  UC2026937  Mentha X rotundifolia David J. Keil 2010-11-10 30948 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road Comment
  OBI75321  Mentha suaveolens David J. Keil 2010-11-10 30948 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road. Comment
  RSA696446  Mesembryanthemum aequilaterale Keith E. Hoffmaster 1935-7-3 678 San Luis Obispo Oceano. Comment
  UC75868  Micropus californicus var. californicus Miss M. Alice King June, 1895 San Luis Obispo Arroyo Grande Comment
  UC35581  Micropus californicus var. subvestitus W. H. Brewer 1861-4-13 452 San Luis Obispo Arroyo Grande Comment
  OBI15609  Microseris elegans Robert F. Hoover 1967-4-12 10424 San Luis Obispo Upper Arroyo Grande Comment
  UCR131933  Mimulus aurantiacus George K. Helmkamp 2003-8-18 8091 San Luis Obispo Central Coast, S of Arroyo Grande; along Mesa View Dr., 0.4 mi south of the junction of Cienaga and Valley View Rd. 30 Comment
  OBI9503  Mimulus aurantiacus var. aurantiacus Mrs. R. F. Hoover 1962-1-13 10 San Luis Obispo Arroyo Grande Comment
  OBI9535  Mimulus aurantiacus var. aurantiacus Robert F. Hoover 1967-4-12 10438 San Luis Obispo Upper Arroyo Grande Comment
  UC1314917  Mimulus aurantiacus var. aurantiacus R. F. Hoover 1967-4-12 10438 San Luis Obispo Upper Arroyo Grande Comment
  UC454794  Mimulus grandis I. J. Condit 1909-9-6 San Luis Obispo Oceano Comment
  UCD122681  Mimulus grandis P. B. Kennedy 1927-7-13 s.n. San Luis Obispo San Luis Obispo County: Oceano, California. Comment
  RSA447933  Mimulus guttatus Ralph Hoffman 1931-5-30 s.n. San Luis Obispo Oceano. Comment
  RSA447934  Mimulus guttatus Ralph Hoffman 1931-5-30 s.n. San Luis Obispo Oceano. Comment
  SEINET7063683  Mimulus guttatus A. G. Vestal 1947-4-16 s.n. San Luis Obispo Above Arroyo Grande on Rotue 227 in Carpenter Canyon. UTM Zone 10, 720822mE, 3892982mN. (WGS84/NAD83). 108 Comment
  UC8129  Minuartia douglasii W. H. Brewer Apr 12 1861-Apr 13 1861 432 San Luis Obispo Arroyo Grande Comment
  OBI79161  Mirabilis jalapa David J. Keil 2011-11-5 31161 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Vicinity of intersection of Mountain View Drive and Halcyon Road 15 Comment
  UCR265650  Mirabilis jalapa var. jalapa David J. Keil 2011-11-5 31161 San Luis Obispo western slope of Nipomo Mesa overlooking agricultural fields. Vicinity of intersection of Mountain View Drive and Halcyon Road 15 Comment
  RSA408702  Monardella crispa Ralph Hoffmann 1931-5-30 s.n. San Luis Obispo Oceano. Comment
  RSA42971  Monardella crispa Robert F. Hoover 1947-8-8 7354 San Luis Obispo Oceano Comment
  CAS-BOT-BC220269  Monardella undulata David D. Keck 1933-5-5 2211 San Luis Obispo Oceano, southwestern San Luis Obispo County Comment
  CAS-BOT-BC220270  Monardella undulata David D. Keck 1933-5-5 2211 San Luis Obispo Oceano, southwestern San Luis Obispo County Comment
  CAS-BOT-BC220271  Monardella undulata David D. Keck 1933-5-5 2211 San Luis Obispo Oceano, southwestern San Luis Obispo County Comment
  GH400648  Monardella undulata J. G. Lemmon 1887-06-01 - 1887-07-01 4622 Unknown Arroyo Grande Comment
  LA62462  Monardella undulata Carl Epling; Mrs. Epling 1935-8-15 sn San Luis Obispo Oceano Comment
  POM215754  Monardella undulata D. D. Keck 1933-5-5 2211 San Luis Obispo Oceano, southwestern San Luis Obispo Co. Comment
  RSA733977  Monardella undulata Keith E. Hoffmaster 1935-6-28 651 San Luis Obispo Near Arroyo Grande Comment
  RSA797957  Monardella undulata E. A. Purer 1931-8-6 2236 San Luis Obispo Oceano. Comment
  SEINET4173654 Image available Monardella undulata R. F. Hoover 1946-9-17 6421 San Luis Obispo Oceano Comment
  UC2037112  Monardella undulata C. Epling, Mrs. Epling Aug 1 1935-Aug 15 1935 San Luis Obispo Oceano Comment
  UC76202  Monardella undulata Miss M. Alice King June, 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC220285  Monardella undulata subsp. crispa R. F. Hoover 1947-8-8 7354 San Luis Obispo Oceano Comment
  CAS-BOT-BC220286  Monardella undulata subsp. crispa R. F. Hoover 1947-8-8 7354 San Luis Obispo Oceano Comment
  CAS-BOT-BC220292  Monardella undulata subsp. crispa R. F. Hoover 1947-8-8 7354 San Luis Obispo Oceano Comment
  JEPS63314  Monardella undulata subsp. crispa William S. Cooper 1919-7-31 236 San Luis Obispo Oceano Comment
  OBI13640  Monardella undulata subsp. crispa Robert F. Hoover 1947-8-8 7354 San Luis Obispo Oceano Comment
  SBBG71981  Monardella undulata subsp. crispa R. Hoffmann 1930-4-9 San Luis Obispo Arroyo Grande Comment
  OBI13615  Monardella undulata subsp. undulata H. E. McMinn 1935-6-16 3847 San Luis Obispo Oceano station 200 Comment
  UC1281004  Monardella undulata subsp. undulata H. E. McMinn 1935-6-16 3847 San Luis Obispo Oceano Station Comment
  UC771772  Monardella undulata subsp. undulata R. F. Hoover 1946-9-17 6421 San Luis Obispo Oceano Comment
  RSA408686  Monardella undulata var. frutescens E. A. Purer 1931-8-5 14037 San Luis Obispo Oceano. Comment
  RSA42970  Monardella undulata var. frutescens Robert F. Hoover 1946-9-17 6421 San Luis Obispo Oceano. Comment
  SBBG61587  Morella californica R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  OBI80008  Mucronea californica David J. Keil, with V. L. Holland 2013-6-7 31791 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  UC52568  Mucronea californica Alice King 1895-5 San Luis Obispo Arroyo Grande Comment
  OBI73600  Muhlenbergia microsperma David J. Keil 2010-7-13 30917 San Luis Obispo Hondonada Road, east of Arroyo Grande 115 Comment
  UC1134637  Muilla maritima N. K. Carlson 1936-3-19 176 San Luis Obispo 1.6 mi nnw Arroyo Grande (Plot 10); Arroyo Grande Quadrangle Comment
  UC1314928  Muilla maritima R. F. Hoover 1967-3-5 10244 San Luis Obispo Upper Arroyo Grande Comment
  RSA718821  Nassella pulchra Michael Honer 2002-4-28 1623 San Luis Obispo Appx. 4 mi. SE of Arroyo Grande, along Hwy 101. 91 Comment
  UC1133214  Nassella pulchra N. K. Carlson 1936-3-18 147 San Luis Obispo 0.5 mi se Newsome Springs (Plot 3); Arroyo Grande Quadrangle 137 Comment
  UC1133215  Nassella pulchra H. C. Lee 1936-3-3 445 San Luis Obispo 1/2 mi s Reed's; Arroyo Grande Quadrangle Comment
  RSA769863  Nassella tenuissima David J. Keil 2010-7-21 30922 San Luis Obispo Along Thomas Hill Road, just south of Hondonada Road, east of Arroyo Grande 100 Comment
  CAS-BOT-BC60485  Nasturtium officinale Mark A. Elvin; LynneDee Althouse 2006-5-25 4919 San Luis Obispo Central Coastal Foothills. Above Arroyo Grande. Old Oak Park Road, across from 1620. 99 Comment
  IRVC29499  Nasturtium officinale Mark A. Elvin, LynneDee Althouse 2006-5-25 4919 San Luis Obispo Above Arroyo Grande; Old Oak Park Road, across from 1620 Old Oak Park Rd. Central Coastal Foothills 99 Comment
  OBI80979  Nasturtium officinale Sammy Bueche, Anthony Campos, Mia Stornetta, Jessie Poletti, John Corotis, Andy Catanio 2015-4-24 2 San Luis Obispo Strother Park. Hillside that gradually slopes into a flat area along the bank of teh Arroyo Grande Creek. 14 Comment
  OBI73583  Navarretia atractyloides David J. Keil, with V. L. Holland 2010-6-15 30895 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  OBI82281  Navarretia atractyloides David J. Keil 2015-5-18 33186 San Luis Obispo La Panza Range, eastern slope. Los Padres Ranch, west of Highway 58 between Red Hill Road and Shell Creek Road 400 Comment
  RSA769869  Navarretia atractyloides David J. Keil, V. L. Holland 2010-6-15 30895 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. 100 Comment
  SBBG127207  Navarretia atractyloides D. Keil, V. L. Holland 2010-6-15 30895 San Luis Obispo between San Luis Obispo and Arroyo Grande at 615 Ormonde Rd, S of intersection of Ormonde Rd with Price Cyn Rd 100 Comment
  OBI82457  Navarretia hamata David J. Keil, with V. L. Holland 2015-6-19 33256 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 110 Comment
  JEPS15004  Navarretia hamata subsp. parviloba I. J. Condit 1906-5-9 697 San Luis Obispo Oak Park Comment
  UC455680  Navarretia hamata subsp. parviloba E. P. Unangst 1906-5-9 697 San Luis Obispo Oak Park Comment
  JEPS35254  Nemacladus ramosissimus R. F. Hoover 1947-3-26 6764 San Luis Obispo Oak Park District Comment
  OBI20983  Nemacladus ramosissimus Robert F. Hoover 1947-3-26 6764 San Luis Obispo Oak Park district Comment
  UC72015  Nemophila menziesii Miss M. Alice King April, 1895 San Luis Obispo Arroyo Grande Comment
  UC76179  Nicotiana Miss M. Alice King May 1885 San Luis Obispo Arroyo Grande Comment
  UC26815  Nuttallanthus texanus Alice King Apr. 1895 San Luis Obispo Arroyo Grande Comment
  SBBG59653  Oenanthe sarmentosa R. Hoffmann 1930-4-19 San Luis Obispo Oceano Comment
  UCD127742  Oenanthe sarmentosa P. B. Kennedy 1927-7-12 s.n. San Luis Obispo San Luis Obispo County: Oceano. Comment
  SD38673  Oenothera elata subsp. hookeri Edith A. Purer 1932-8-28 4834 San Luis Obispo Oceano Comment
  SD38674  Oenothera elata subsp. hookeri Edith A. Purer 1931-8-6 2238 San Luis Obispo Oceano Comment
  UCR158826  Oenothera laciniata George K. Helmkamp, E. A. Helmkamp 2005-4-17 9374 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  UCR131918  Oenothera wolfii George K. Helmkamp 2003-8-18 8092 San Luis Obispo Central Coast, S of Arroyo Grande; along Mesa View Dr., 0.4 mi south of the junction of Cienaga and Valley View Rd. 30 Comment
  UC27857  Orobanche parishii Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  RSA660575  Orthocarpus purpurascens Austin P. Griffiths, S. Goodrich 1978-5-15 s.n. San Luis Obispo Oceano. 10 Comment
  UC455387  Oxalis albicans subsp. pilosa I. J. Condit 1908-7-6 San Luis Obispo Arroyo Grande Comment
  SD178207  Oxalis corniculata G. K. Helmkamp 2004-3-21 8389 San Luis Obispo Central Coast: Mesa Dunes Mobile Home Park along mesa View Dr., 0.2 mi south of the junction of Halcyon Rd., southeast of Oceano. Growing up through garden shrubs. 60 Comment
  SD186273  Oxalis corniculata G. K. Helmkamp 2003-7-31 806 San Luis Obispo West edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road. 14 Comment
  UCR132016  Oxalis corniculata George K. Helmkamp 2003-7-31 8063 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR140083  Oxalis corniculata George K. Helmkamp 2004-2-10 8269 San Luis Obispo Central Coast, southeast of Oceano along Halcyon Rd., 0.2 mi east of Mesa View Dr. 76 Comment
  UCR140399  Oxalis corniculata George K. Helmkamp 2004-3-21 8389 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of the junction of Halcyon Rd., SE of Oceano 61 Comment
  OBI80395  Oxalis pes-caprae Sydney Anderson 2015-1-30 1 San Luis Obispo Strother Park, Arroyo Grande. 36 Comment
  RSA714094  Oxalis pes-caprae George K. Helmkamp 2003-12-18 8230 San Luis Obispo Arroyo Grande, Courtland Ave. one block S of Grand Ave. Brooklyn Creek, opposite San Francisco. 15 Comment
  SD212678  Oxalis pes-caprae G. K. Helmkamp 2003-12-18 8230 San Luis Obispo Arroyo Grande, Courtland Avenue, one block South of Grand Avenue; empty lot. 14 Comment
  UCR141945  Oxalis pes-caprae George K. Helmkamp 2003-12-18 8230 San Luis Obispo Central Coast, Arroyo Grande, Courtland Ave. one block south of Grand Ave. 15 Comment
  UC75783  Paeonia californica Miss M. Alice King April, 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC422820  Papaver californicum R. F. Hoover 1947-3-26 6759 San Luis Obispo Oak Park district Comment
  OBI11704  Papaver californicum Robert F. Hoover 1947-3-26 6759 San Luis Obispo Oak Park district Comment
  SBBG94425  Papaver californicum R. F. Hoover 1947-3-26 6759 San Luis Obispo Oak Park district Comment
  UC1296234  Papaver californicum R. F. Hoover 1947-3-26 6759 San Luis Obispo Oak Park District Comment
  UC1101577  Parapholis incurva Malcolm A. Nobs and S. Galen Smith 1949-6-22 814 San Luis Obispo 3 mi s Pismo Beach (Oceano); s of Pismo Beach Comment
  CDA7199  Paraserianthes lophantha G. K. Helmkamp 2003-12-18 8234 San Luis Obispo Central Coast; Arroyo Grande, Courtland Ave. one block S of Grand Ave. Comment
  CAS-BOT-BC7067  Parietaria hespera var. californica Ira Judson Condit 1910-4-30 s.n. San Luis Obispo Oceano. Comment
  OBI79081  Pennisetum villosum David J. Keil 2011-11-5 31144 San Luis Obispo Oceano. Beach Street at railroad crossing, south side of street 8 Comment
  UC27415  Penstemon centranthifolius Alice King Mar 1895 San Luis Obispo Arroyo Grande Comment
  UC454785  Penstemon centranthifolius Unangst 1906-5-17 San Luis Obispo Oak Park Comment
  UC75892  Pentachaeta alsinoides Miss M. Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  CDA43336  Persicaria amphibia David J. Keil 2011-11-5 31147 San Luis Obispo Oceano. Arroyo Grande Creek at 22nd Street Bridge. Comment
  OBI79139  Persicaria amphibia David J. Keil 2011-11-5 31147 San Luis Obispo Oceano. Arroyo Grande Creek at 22nd Street bridge 8 Comment
  OBI79688  Persicaria lapathifolia David J. Keil 2011-11-5 31145 San Luis Obispo Oceano. Arroyo Grande Creek at 22nd Street bridge 8 Comment
  SEINET11261792  Persicaria lapathifolia David Keil 2011-11-5 31145 San Luis Obispo Oceano. Arroyo Grande Creek at 22nd Street bridge.; 0 8 Comment
  UCR266047  Persicaria lapathifolia David J. Keil 2011-11-5 31145 San Luis Obispo Oceano. Arroyo Grande Creek at 22nd St. bridge 8 Comment
  OBI75322  Persicaria punctata David J. Keil 2010-11-10 30949 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road. Comment
  OBI79142  Persicaria punctata David J. Keil 2011-11-5 31146 San Luis Obispo Oceano. Arroyo Grande Creek at 22nd Street bridge 8 Comment
  SBBG130673  Persicaria punctata D. J. Keil 2011-11-5 31146 San Luis Obispo Oceano, Arroyo Grande Crk at 22nd St bridge 8 Comment
  SD244787  Persicaria punctata David Keil 2010-11-10 30949 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road. 118 Comment
  UC2026938  Persicaria punctata David J. Keil 2010-11-10 30949 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road Comment
  UC26181  Petunia parviflora Miss M. Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UC24357  Phacelia douglasii Miss M. Alice King April 1895 San Luis Obispo Arroyo Grande Comment
  OBI59257  Phacelia ramosissima David J. Keil, with Lawrence M. Kelly, Kathryn Bay, and Frieda Wertman 1988-11-12 21195 San Luis Obispo Near summit along California Route 227 between San Luis Obispo and Arroyo Grande. 213 Comment
  RSA749095  Phacelia ramosissima David J. Keil, Lawrence M. Kelly, Kathryn Bay, Frieda Wertman 1988-11-12 21195 San Luis Obispo Near summit along CA Route 227 between San Luis Obispo and Arroyo Grande. Mosaic of coast live oak woodland, chaparral, and coastal scrub. 183 Comment
  SD41334  Phacelia ramosissima Edith A. Purer 1931-8-6 2239 San Luis Obispo Oceano Comment
  SD41346  Phacelia ramosissima Edith A. Purer 1932-8-28 4844 San Luis Obispo Oceano Comment
  UC1928025  Phacelia ramosissima David Keil, Lawrence M. Kelly, Kathryn Bay, and Frieda Wertman 1988-11-12 21195 San Luis Obispo Near summit along California Route 227 between San Luis Obispo and Arroyo Grande. 182 Comment
  UCR132761  Phacelia ramosissima George K. Helmkamp 2003-7-29 8031 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  RSA428174  Phacelia ramosissima var. montereyensis E. A. Purer 1931-08 14542 San Luis Obispo Oceano Comment
  RSA699776  Phacelia ramosissima var. subsinuata Keith E. Hoffmaster 1935-7-3 s.n. San Luis Obispo Oceano. Comment
  UC65049  Phacelia viscida Miss M. Alice King April, 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC258833  Phalaris angusta R. F. Hoover 1948-5-5 7522 San Luis Obispo Oak Park district Comment
  OBI22089  Phalaris angusta Robert F. Hoover 1948-5-5 7522 San Luis Obispo Oak Park district Comment
  CAS-BOT-BC258994  Phalaris californica R. F. Hoover 1948-5-5 7520 San Luis Obispo Oak Park district Comment
  OBI22093  Phalaris californica Robert F. Hoover 1948-5-5 7520 San Luis Obispo Oak Park district Comment
  POM356931  Phalaris minor Ralph Hoffman 1930-4-18 s.n. San Luis Obispo Oceano Comment
  UC1069430  Pholistoma auritum N. K. Carlson 1936-3-18 150 San Luis Obispo 0.5 mi. s.e. Newsome Springs (near Plot 3); Arroyo Grande Quad. 137 Comment
  UCD138383  Phyllospadix torreyi P. B. Kennedy 1927-7-12 s.n. San Luis Obispo San Luis Obispo County: Oceano. Comment
  UC1129873  Pickeringia montana var. montana H. C. Lee 1936-3-25 538 San Luis Obispo 1 1/2 mi n Arroyo Grande; Arroyo Grande Quadrangle Comment
  OBI73549  Pinus torreyana David J. Keil 2010-7-20 30923 San Luis Obispo Arroyo Grande. James Way east of Rancho Parkway 45 Comment
  OBI82358  Pinus torreyana David J. Keil 2015-11-8 33437 San Luis Obispo Arroyo Grande. La Teena Place, 1.5 miles southeast of intersection with Noyes Road. 75 Comment
  SD264686  Pinus torreyana David Keil 2015-11-8 33437 San Luis Obispo Arroyo Grande. La Teena Place, 1.5 miles southeast of intersection with Noyes Road. 74 Comment
  OBI64154  Piperia michaelii David J. Keil 2001-7-5 29637 San Luis Obispo Arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondanada Road. Comment
  OBI76696  Piperia michaelii Jason Dart 2005-7-21 269 San Luis Obispo Lopez Cyn Dr, W of wastewater treatment plant, within the Monte Sereno residential comm, formerly a portion of Biddel Ranch 171 Comment
  UCR140373  Piptatherum miliaceum George K. Helmkamp 2004-3-19 8382 San Luis Obispo Central Coast, Arroyo Grande, along Traffic Way south of Grand Ave. at Arroyo Grande Creek 24 Comment
  OBI20825  Plagiobothrys collinus Robert F. Hoover 1947-3-26 6766 San Luis Obispo Oak Park district Comment
  UC1069051  Plagiobothrys nothofulvus H. C. Lee 1936-2-15 396 San Luis Obispo 1 mi se Arroyo Grande; San Luis Obispo, Arroyo Grande Quad. 91 Comment
  UC1069059  Plagiobothrys nothofulvus N. K. Carlson 1936-3-18 146 San Luis Obispo 0.5 mi se Newsome Springs; Arroyo Grande Quad. 137 Comment
  RSA402010B  Plantago hirtella Ralph Hoffman 1930-4-19 s.n. San Luis Obispo Oceano. Comment
  UCR132059  Plantago indica George K. Helmkamp 2003-7-31 8060 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR132762  Plantago lanceolata George K. Helmkamp 2003-7-29 8032 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR140398  Plantago lanceolata George K. Helmkamp 2004-3-21 8388 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of the junction of Halcyon Rd., SE of Oceano 61 Comment
  UCR158888  Plantago lanceolata George K. Helmkamp, E. A. Helmkamp 2005-4-17 9375 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  CHSC4013  Plantago maritima D. B. Joley 1967-4-20 1 San Luis Obispo On a mesa, ca. 50 ft s of Cabrillo highway and ca. 1/2 mile from turn off to Arroyo Grande, Nipomo. 60 Comment
  UCR140135  Plantago ovata George K. Helmkamp 2004-3-13 8338 San Luis Obispo Central Coast, Nipomo Mesa, SE of Oceano, Mesa Dunes Mobile Home Park, along Mesa View Dr., 0.2 mi south of the jct of Halcyon Rd 76 Comment
  SBBG68775  Plantago subnuda R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  UC456041  Plantago subnuda Unangst 1906-5-17 San Luis Obispo Oak Park Comment
  UC76653  Plantago subnuda Miss M. Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  JEPS64462  Platanthera sparsiflora William S. Cooper 1919-7-31 232 San Luis Obispo Oceano Comment
Read comments
Jun 11 2007
  OBI81518  Platanus racemosa Thea Smith, Yara Wahba 2015-11-7 1 San Luis Obispo Strothers Park. Directly next to parking lot and behind house on 1153 Vard Loomis Lane; Also directly behind bathrooms and basketball courts. Comment
  JEPS14973  Plectritis ciliosa subsp. insignis Brewer 1861-4-13 441 San Luis Obispo Arroyo Grande Comment
  UC28829  Plectritis ciliosa subsp. insignis W. H. Brewer 1861-4-12 441 San Luis Obispo Arroyo Grande Comment
  UCR140400  Poa annua George K. Helmkamp 2004-3-21 8385 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of the junction of Halcyon Rd., SE of Oceano 61 Comment
  CAS-BOT-BC255951  Poa pratensis R. F. Hoover 1948-5-5 7519 San Luis Obispo Oak Park district Comment
  OBI22149  Poa pratensis Robert F. Hoover 1948-5-5 7519 San Luis Obispo Oak Park district Comment
  UC1132809  Poa secunda subsp. secunda H. C. Lee 1936-3-3 451 San Luis Obispo 1/2 mi s Reeds; Arroyo Grande Quadrangle Comment
  UC1132811  Poa secunda subsp. secunda N. K. Carlson 1936-3-19 178 San Luis Obispo 1.6 mi nnw Arroyo Grande (Plot 10); Arroyo Grande Quadrangle 60 Comment
  UC25596  Pogogyne serpylloides W. H. Brewer 1861-4-12 436 San Luis Obispo Arroyo Grande Comment
  UC25601  Pogogyne serpylloides Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  SD186158  Polycarpon tetraphyllum G. K. Helmkamp 2003-7-29 8038 B San Luis Obispo 0.6 mile south of Nipomo Hill in Arroyo Grande area. 46 Comment
  UCR132038  Polycarpon tetraphyllum George K. Helmkamp 2003-7-29 8038 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR140091  Polycarpon tetraphyllum George K. Helmkamp 2004-4-1 8409 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
  CDA17511  Polygonum amphibium var. emersum Austin Griffiths 1980-6-28 s.n. San Luis Obispo Oceano Dunes; Immed. downstream from Hwy 1 bridge over Arroyo Grande Ck. Comment
  UCR132057  Polygonum aviculare George K. Helmkamp 2003-7-31 8057 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR132062  Polygonum aviculare George K. Helmkamp 2003-7-29 8047 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UCR134378  Polygonum aviculare George K. Helmkamp 2003-9-21 8166 San Luis Obispo Central Coast, Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande 46 Comment
  OBI75292  Polypodium calirhiza David J. Keil 2010-12-8 30966 San Luis Obispo Arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondonada Road. 113 Comment
  OBI43409  Polypogon monspeliensis Eric Wise 1981-6-22 636 San Luis Obispo Lopez Water Treatment Reservoir Comment
  RSA582043  Polypogon monspeliensis F. W. Peirson 1932-7-4 10238 San Luis Obispo Oceano. Comment
  OBI37124  Populus fremontii Eric Wise 1981-6-22 643 San Luis Obispo Lopez Water Treatment Reservoir. A clear lake of moderate size Comment
  OBI57887  Populus trichocarpa David J. Keil 2000-3-8 28437 San Luis Obispo Arroyo Grande. At the swinging bridge over Arroyo Grande Creek. Comment
  OBI82362  Portulaca oleracea David J. Keil 2015-9-21 33406 San Luis Obispo Arroyo Grande. Fair Oaks Avenue at Fred Grieb bridge over Arroyo Grande Creek. 25 Comment
  SBBG56489  Potamogeton foliosus subsp. foliosus R. Hoffmann 1930-4-19 San Luis Obispo Arroyo Grande Comment
  RSA701653  Potentilla anserina Keith E. Hoffmaster 1935-7-3 s.n. San Luis Obispo Oceano. Comment
  SD39946  Potentilla anserina Edith A. Purer 1931-8-7 2240 San Luis Obispo Oceano, moist soil being covered with moving dune Comment
  SBBG72531  Potentilla anserina subsp. pacifica R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  UC72981  Potentilla anserina subsp. pacifica Miss M. Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UC570030  Prunus fasciculata var. punctata H. C. Lee 1936-3-23 533 San Luis Obispo 1 1/2 mi w of Arroyo Grande 76 Comment
  UC1118501  Pseudognaphalium californicum N. K. Carlson 1936-3-21 199 San Luis Obispo 1.1 mi nnw Corbett (Plot 21); Arroyo Grande Quadrangle 99 Comment
  CHSC13880  Pseudognaphalium luteoalbum D. B. Joley 1967-4-19 5 San Luis Obispo In a vacant lot, ca. 50 feet S of Cabrillo Hwy. and ca. 1/2 mi. N of turn-off to Arroyo Grande, Nipomo. 60 Comment
  CHSC25110  Pseudognaphalium luteoalbum J. E. Bowlin 1967-3-24 14 San Luis Obispo In a vacant lot, ca. 50 ft s of Cabrillo Hwy and ca. 1/2 mi n of turn-off to Arroyo Grande, Nipomo. 60 Comment
  SBBG100973  Pseudognaphalium stramineum T. L. Secrest 1951-9-15 San Luis Obispo Oceano Comment
  UCD135220  Pseudognaphalium stramineum P. B. Kennedy 1927-7-12 s.n. San Luis Obispo San Luis Obispo County: Oceano. Comment
  UC1118513  Pseudognaphalium thermale H. C. Lee 1936-5-15 613 San Luis Obispo 0.75 mi nw Junction Canyons #1 & #2; Arroyo Grande Quad. 91 Comment
Read comments
Jul 10 2012
  UC35745  Psilocarphus tenellus W. H. Brewer 1861-4-13 453 San Luis Obispo Arroyo Grande Comment
  UC35746  Psilocarphus tenellus Prof. Brewer 1860-1 453 San Luis Obispo Arroyo Grande Comment
  UC75869  Psilocarphus tenellus Miss M. Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UC1063686  Pteridium aquilinum var. pubescens H. C. Lee 1936-5-17 611 San Luis Obispo 1 mi nw of Junction Canyon 1 & 2; Arroyo Grande Quadrangle Comment
  UC1135308  Quercus agrifolia H. C. Lee 1936-2-29 441 San Luis Obispo Arroyo Grande Creek San Luis Obispo National Forest, Arroyo Grande Quad. 106 Comment
  OBI27087  Quercus agrifolia var. agrifolia Jim Souza February1981 s.n. San Luis Obispo Grover City Comment
  OBI27089  Quercus agrifolia var. agrifolia Jim Souza February1981 s.n. San Luis Obispo Grover City Comment
  OBI73592  Quercus wislizeni var. frutescens David J. Keil 2010-7-2 30904 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  RSA715276  Ranunculus George K. Helmkamp 2004-6-9 8614 San Luis Obispo Central Coast: Mesa Dunes mobile home park along Mesa view Drive (hwy CA-1), 0..3 mi S of Halcyon Rd. 76 Comment
  UCR169952  Ranunculus George K. Helmkamp 2004-6-9 8614 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr (Calif. Hwy 1), 0.3 mi south of Halcyon Rd. 76 Comment
  UC75777  Ranunculus hebecarpus Miss M. Alice King June, 1895 San Luis Obispo Arroyo Grande Comment
  UC9451  Ranunculus hebecarpus Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  UC1126753  Raphanus sativus N. K. Carlson 1936-3-18 152 San Luis Obispo .2 mi s of Nipomo Hill 124 Comment
  UCR132061  Raphanus sativus George K. Helmkamp 2003-7-31 8050 B San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR140382  Raphanus sativus George K. Helmkamp 2004-3-15 8370 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  CAS-BOT-BC55880  Rhamnus crocea R. F. Hoover 1967-3-5 10247 San Luis Obispo Upper Arroyo Grande Comment
  OBI10287  Rhamnus crocea Robert F. Hoover 1967-3-5 10247 San Luis Obispo Upper Arroyo Grande Comment
  UC1314934  Rhamnus crocea R. F. Hoover 1967-3-5 10247 San Luis Obispo Upper Arroyo Grande Comment
  OBI25182  Rhus integrifolia David J. Keil 1980-2-9 13688 San Luis Obispo Between Arroyo Grande and San Luis Obispo along State hwy 227, ea 2 mi N of southern jctn of hwy 277 and Corbett cyn rd. Comment
  OBI70806  Rhus integrifolia David J. Keil, with V. L. Holland 2009-6-16 30616 San Luis Obispo Between San Luis Obispo and Arroyo Grande. Area southeast of intersection of California Highway 227 (Carpenter Canyon Road) and Noyes Road in vicinity of high tension line corridor. Vic. 35 deg. 9.9'N x 120 deg. 34.9'W. Comment
  UC1583688  Rhus integrifolia David Keil 1980-2-9 13688 San Luis Obispo between Arrouo Grande and San Luis Obispo (along state Highway 227, 2 mi n of southern junction of Highway 227 and Corbett Canyon Road) Comment
  UC1953220  Rhus integrifolia David Keil with V. L. Holland 2009-6-16 30616 San Luis Obispo Between San Luis Obispo and Arroyo Grande. Area southeast of intersection of California Highway 227 (Carpenter Canyon Road) and Noyes Road in vicinity of high tension line corridor. Comment
  A380168  Ribes divaricatum var. pubiflorum Ralph Hoffmann 1930-4-19 Unknown Oceano Comment
  A380172  Ribes divaricatum var. pubiflorum Ralph Hoffmann 1931-5-30 427 Unknown Oceano Comment
  CAS-BOT-BC173079  Ribes divaricatum var. pubiflorum Alice Eastwood; John Thomas Howell 1937-4-30 4163 San Luis Obispo In the upper Arroyo Grande Comment
  SBBG44933  Ribes divaricatum var. pubiflorum R. Hoffmann 1931-5-30 San Luis Obispo Oceano Comment
  SBBG72028  Ribes divaricatum var. pubiflorum R. Hoffmann 1930-4-19 San Luis Obispo Oceano Comment
  SBBG72029  Ribes divaricatum var. pubiflorum R. Hoffmann 1930-4-18 San Luis Obispo Oceano Comment
  UC11532  Ribes divaricatum var. pubiflorum Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UC75467  Ribes divaricatum var. pubiflorum Miss M. Alice King June, 1895 San Luis Obispo Arroyo Grande Comment
  GH380852  Ribes sanguineum var. glutinosum W. H. Brewer 1860-1-1 431 Unknown near Arroyo Grande Comment
  UC11552  Ribes sanguineum var. glutinosum W. H. Brewer 1861-4-12 431 San Luis Obispo Arroyo Grande Comment
  OBI79115  Ricinus communis David J. Keil 2011-11-5 31163 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Vicinity of intersection of Mountain View Drive and Halcyon Road 15 Comment
  OBI79119  Ricinus communis David J. Keil 2011-11-5 31163 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Vicinity of intersection of Mountain View Drive and Halcyon Road 15 Comment
  UC72931  Rorippa curvisiliqua Miss M. Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  CDA23084  Rorippa nasturtium-aquaticum Mark A. Elvin, LynneDee Althouse 2006-5-25 4919 San Luis Obispo Central Coastal Foothills; Above Arroyo Grande; Old Oak Park Road, across from 1620. Drainage ditch on west side of road. Comment
  SD220048  Rorippa nasturtium-aquaticum Mark A. Elvin, Lynne Dee Althouse 2006-5-25 4919 San Luis Obispo Central Coastal Foothills; above Arroyo Grande, Old Oak Park Road across from 1620. 99 Comment
  UC1128572  Rosa californica H. C. Lee 1936-2-15 393 San Luis Obispo 1 mi se Arroyo Grande; Arroyo Grande Quadrangle Comment
  OBI80093  Rubus armeniacus David J. Keil 2012-8-21 31508 San Luis Obispo Arroyo Grande. Vicinity of Arroyo Grande Creek near Bridge Street 25 Comment
  OBI80094  Rubus ulmifolius David J. Keil 2012-8-21 31507 San Luis Obispo Arroyo Grande. Vicinity of Arroyo Grande Creek near Bridge Street 25 Comment
  OBI36967  Rubus ursinus Eric Wise 1981-6-22 641 San Luis Obispo Lopez Water Treatment Reservoir. A clear lake of moderate size Comment
  UCR132145  Rubus ursinus George K. Helmkamp 2003-10-24 8217 San Luis Obispo Central Coast, El Campo Rd 0.1 mi east of Los Berros Rd, SE of Arroyo Grande 46 Comment
  RSA709389  Rumex acetosella George K. Helmkamp 2004-2-7 8261 San Luis Obispo Central Coast, SE of Oceano along Halcyon Road, just E of Mesa View Dr. 76 Comment
  SD178262  Rumex acetosella G. K. Helmkamp 2004-2-7 8261 San Luis Obispo Southeast of Oceano along Halcyon Road, just east of Mesa View Dr. 75 Comment
  SD193340  Rumex acetosella G. K. Helmkamp, E. A. Helmkamp 2005-4-17 9373 San Luis Obispo Corbett Canyon, 2.3 miles north of Highway CA-227 in Arroyo Grande. 81 Comment
  UC1136208  Rumex acetosella H. C. Lee 1936-3-25 536 San Luis Obispo 0.75 mi se Pismo; San Luis Obispo National Forest, Arroyo Grande Quad. 30 Comment
  UC455632  Rumex acetosella I. J. Condit 1908-7-6 San Luis Obispo Arroyo Grande Comment
  UCD101020  Rumex acetosella G. K. Helmkamp 2004-2-7 8261 San Luis Obispo San Luis Obispo County: Central Coast: SE of Oceano along Halcyon Rd., just E of Mesa View Dr. 9 Comment
  UCR132060  Rumex acetosella George K. Helmkamp 2003-7-31 8049 B San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR140108  Rumex acetosella George K. Helmkamp 2004-2-7 8261 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd., just east of Mesa View Dr. 76 Comment
  UCR158743  Rumex acetosella George K. Helmkamp, E. A. Helmkamp 2005-4-17 9373 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  OBI36785  Rumex conglomeratus Eric Wise 1981-6-22 633 San Luis Obispo Lopez Water Treatment Reservoir Comment
  OBI36786  Rumex conglomeratus Eric Wise 1981-6-22 647 San Luis Obispo Lopez Water Treatment Reservoir Comment
  OBI36803  Rumex conglomeratus Eric Wise 1981-6-22 638 San Luis Obispo Lopez Water Treatment Reservoir Comment
  UC1101199  Rumex conglomeratus Malcolm A. Nobs and S. Galen Smith 1949-6-22 816 San Luis Obispo 3 mi s Pismo Beach; Oceano Comment
  RSA0029605  Rumex crispus George K. Helmkamp 2003-7-31 8059 San Luis Obispo Central Coast: west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UC1101187  Rumex crispus Malcolm A. Nobs and S. Galen Smith 1949-6-22 818 San Luis Obispo 3 mi s Pismo Beach; Oceano Comment
  UCR132047  Rumex crispus George K. Helmkamp 2003-7-31 8059 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR140085  Rumex crispus George K. Helmkamp 2004-2-10 8271 San Luis Obispo Central Coast, southeast of Oceano along Halcyon Rd., 0.2 mi east of Mesa View Dr. 76 Comment
  UCR140406  Rumex crispus George K. Helmkamp 2004-2-19 8301 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park, along Mesa View Dr (Calif. Hwy 1), 0.2 mi south of the jct with Halcyon Rd. 61 Comment
  UC454360  Rumex pulcher E. P. Unangst 1906-5-14 San Luis Obispo Oak Park Comment
  OBI73590  Rumex salicifolius David J. Keil 2010-7-2 30902 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. Comment
  SBBG44798  Sagina maxima subsp. crassicaulis R. Hoffmann 1931-5-30 369 San Luis Obispo near coast, Oceano Comment
  SBBG69923  Sagina maxima subsp. crassicaulis R. Hoffmann 1931-5-30 369 San Luis Obispo near coast, Oceano Comment
  SBBG69924  Sagina maxima subsp. crassicaulis R. Hoffmann 1930-4-19 San Luis Obispo Arroyo Grande Comment
  UCD99146  Salicornia pacifica P. B. Kennedy 1927-7-13 s.n. San Luis Obispo San Luis Obispo County: Oceano. Comment
  UC455215  Salicornia virginica I. J. Condit 1909-9-6 San Luis Obispo Oceano Comment
  CAS-BOT-BC103258  Salix bonplandiana R. F. Hoover 1947-3-19 6701 San Luis Obispo Oak Park district Comment
  CAS-BOT-BC103266  Salix bonplandiana R. F. Hoover 1947-3-19 6703 San Luis Obispo Oak Park district Comment
  OBI37104  Salix laevigata Eric Wise 1983-2-17 1636 a Unknown Lopez Water Treatment Reservoir. A clear lake of moderate size Comment
  OBI37196  Salix laevigata Eric Wise 1981-6-22 631 Unknown Lopez Water Treatment Reservoir. A clear lake of moderate size Comment
  OBI9836  Salix laevigata Robert F. Hoover 1947-3-19 6701 San Luis Obispo Oak Park district Comment
  OBI9838  Salix laevigata Robert F. Hoover 1947-3-19 6703 San Luis Obispo Oak Park District Comment
  OBI9839  Salix laevigata Robert F. Hoover 1947-3-19 6702 San Luis Obispo Oak Park District Comment
  OBI9845  Salix laevigata Robert F. Hoover 1947-3-19 6703 San Luis Obispo Oak Park District Comment
  OBI9846  Salix laevigata Robert F. Hoover 1947-3-19 6702 San Luis Obispo Oak Park District Comment
  OBI9848  Salix laevigata Robert F. Hoover 1947-3-19 6701 San Luis Obispo Oak Park District Comment
  OBI36915  Salix lasiandra Eric Wise 1983-2-17 1635 San Luis Obispo Lopez Water Treatment Reservoir Comment
  OBI36877  Salix lasiolepis Eric Wise 1981-6-22 632 San Luis Obispo Lopez Water Treatment Reservoir. A clear lake of moderate size Comment
  OBI37197  Salix lasiolepis Eric Wise 1983-2-17 1636 San Luis Obispo Lopez Water Treatment Reservoir. A clear lake of moderate size Comment
  OBI9821  Salix lasiolepis Robert F. Hoover 1947-3-19 6700 San Luis Obispo Oak Park District Comment
  SBBG99078  Salix lasiolepis T. L. Secrest 1951-9-15 San Luis Obispo Oceano Comment
  UC1134997  Salix lasiolepis H. C. Lee 1936-2-29 442 San Luis Obispo Arroyo Grande Creek Arroyo Grande Quadrangle Comment
  CAS-BOT-BC124831  Salix lasiolepis var. lasiolepis R. F. Hoover 1947-3-19 6700 San Luis Obispo Oak Park district Comment
  CAS-BOT-BC124833  Salix lasiolepis var. lasiolepis R. F. Hoover 1947-3-19 6700 San Luis Obispo Oak Park district Comment
  UCR132764  Salix lucida subsp. lasiandra George K. Helmkamp 2003-7-29 8036 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  UC456137  Salvia carduacea I. J. Condit 1908-7-6 San Luis Obispo Arroyo Grante Arroyo Grande Comment
  OBI27084  Salvia mellifera Jim Souza 1981-1 s.n. San Luis Obispo Grover City Comment
  UC25749  Salvia spathacea Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UCR4020  Salvia spathacea Val Chase 1965-4-16 s 80 San Luis Obispo 4 mi south of Edna on the road from Edna to Arroyo Grande 76 Comment
  RSA477588  Sambucus mexicana E. A. Purer 1932-8-28 4846 San Luis Obispo Oceano Comment
  UCR134381  Sambucus mexicana George K. Helmkamp 2003-9-21 8168 San Luis Obispo Central Coast, Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande 46 Comment
  SD37477  Sambucus nigra subsp. caerulea Edith A. Purer 1932-8-28 4846 San Luis Obispo Oceano Comment
  OBI10723  Samolus parviflorus Robert F. Hoover 1947-8-8 7355 San Luis Obispo Oceano Comment
  UC754986  Sanicula laciniata R. F. Hoover 1947-3-26 6763 San Luis Obispo Oak Park District Comment
  UC75729  Saxifraga californica Miss Alice King April, 1895 San Luis Obispo Arroyo Grande Comment
  SBBG59215  Schoenoplectus acutus var. occidentalis R. Hoffmann 1930-4-18 San Luis Obispo Arroyo Grande Comment
  OBI35216  Schoenoplectus californicus Eric Wise 1981-6-22 627 San Luis Obispo Lopez Water Treatment Reservoir Comment
  RSA791460  Schoenoplectus maritimus Keith E. Hoffmaster 1935-7-3 155 San Luis Obispo Oceano. Comment
  CDA23077  Scirpus microcarpus Mark A. Elvin, LynneDee Althouse 2006-5-25 4920 San Luis Obispo Central Coastal Foothills; Above Arroyo Grande; Old Oak Park Road, across from 1620. Drainage ditch on west side of road. Comment
  IRVC29500  Scirpus microcarpus Mark A. Elvin, LynneDee Althouse 2006-5-25 4920 San Luis Obispo Above Arroyo Grande; Old Oak Park Road, across from 1620 Old Oak Park Rd. Central Coastal Foothills 99 Comment
  OBI13496  Scutellaria tuberosa Robert F. Hoover 1947-3-19 6693 San Luis Obispo Oak Park District Comment
  OBI82655  Senecio aphanactis David J. Keil, with V. L. Holland 2015-6-19 33247 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 110 Comment
  POM180264  Senecio blochmaniae Ralph Hoffmann 1931-5-30 421 San Luis Obispo Oceano Comment
  SBBG62585  Senecio blochmaniae R. Hoffmann 1931-5-30 San Luis Obispo Oceano Comment
  UC217718  Senecio blochmaniae H. M. Hall 1919-10-16 San Luis Obispo Oceano Comment
  UC53836  Senecio californicus Mrs. R. W. Summers 1886-2-21 San Luis Obispo Arroyo Grande Comment
  SD37503  Senecio flaccidus var. douglasii Edith A. Purer 1931-8-6 San Luis Obispo Oceano Comment
  RSA473117  Senecio vulgaris Ralph Hoffman 1930-4-18 s.n. San Luis Obispo Arroyo Grande Comment
  SD186109  Senecio vulgaris G. K. Helmkamp 2003-7-31 8065 San Luis Obispo West edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road. 14 Comment
  UCR132014  Senecio vulgaris George K. Helmkamp 2003-7-31 8065 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR4805  Senna multiglandulosa O. F. Clarke 1966-11-27 661127- 01 San Luis Obispo 13 mi. north of Santa Barbara County line, on Hwy 101 Comment
  UC1124970  Sidalcea malviflora subsp. laciniata H. C. Lee 1936-3-25 537 San Luis Obispo 0.75 mi se Pismo; San Luis Obispo National Forest, Arroyo Grande Quad. 30 Comment
  UC73431  Sidalcea malviflora subsp. laciniata Miss M. Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  UC14436  Silene antirrhina Alice King 1895-5 San Luis Obispo Arroyo Grande Comment
  UCR147228  Silene armeria George K. Helmkamp, E. A. Helmkamp 2004-8-15 8788 B San Luis Obispo Central Coast, Nipomo Mesa. Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi S. of jct. of Halcyon Rd., SE of Oceano 76 Comment
  OBI19476  Silene coniflora Robert F. Hoover 1947-3-26 6762 San Luis Obispo Oak Park district Comment
  OBI19458  Silene gallica Robert F. Hoover 1947-3-19 6696 San Luis Obispo Oak Park district Comment
  RSA709062  Silene gallica George K. Helmkamp 2005-4-17 9371 San Luis Obispo Central Coast: Corbett canyon, 2.3 miles N of Hwy CA-227 in Arroyo Grande. 81 Comment
  SD193265  Silene gallica G. K. Helmkamp, E. A. Helmkamp 2005-4-17 9371 San Luis Obispo Corbett Canyon, 2.3 miles north of Highway CA-227, in Arroyo Grande. 81 Comment
  UC1137872  Silene gallica N. K. Carlson 1936-3-18 128 San Luis Obispo 1 mi e Nipomo Hill; Arroyo Grande Quad. 76 Comment
  UCR158741  Silene gallica George K. Helmkamp, E. A. Helmkamp 2005-4-17 9371 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  CAS-BOT-BC174942  Silene laciniata Ralph Hoffmann 1931-5-30 s.n. San Luis Obispo Oceano Comment
  UC1137889  Silene laciniata subsp. major H. C. Lee 1936-3-25 539 San Luis Obispo 1 1/2 mi n Arroyo Grande; San Luis Obispo National Forest, Arroyo Grande Quad. Comment
  UC8467  Silene laciniata subsp. major Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  UC1285079  Silene multinervia R. F. Hoover 1947-3-26 6762 San Luis Obispo Oak Park district Comment
  OBI81019  Silybum marianum Sammy Bueche, Anthony Campos, Mia Stornetta, Jessie Poletti, John Corotis, Andy Catanio 2014-4-24 1 San Luis Obispo Strother Park. Hillside that gradually slopes into a flat area along the bank of the Arroyo Grande Creek. Found on both flat ground and sloped areas, close to creek and further away. 14 Comment
  OBI79343  Sisymbrium irio David J. Keil 2011-12-11 31209 San Luis Obispo Arroyo Grande. Southwest of intersection of P.C. Railway and E. Cherry Ave 39 Comment
  OBI27090  Solanum douglasii Jim Souza Feb-81 s.n. San Luis Obispo Grover City Comment
  RSA422452  Solanum douglasii Ralph Hoffmann 1931-5-30 s.n. San Luis Obispo Oceano. Comment
  SBBG70606  Solanum douglasii R. Hoffmann 1931-5-30 San Luis Obispo Oceano Comment
  UC1125199  Solanum douglasii N. K. Carlson 1936-3-21 200 San Luis Obispo 1.1 mi nnw of Corbett 99 Comment
  UCR134694  Solanum douglasii George K. Helmkamp 2003-9-21 8164 San Luis Obispo Central Coast, Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande 46 Comment
  UCR132034  Solanum physalifolium var. nitidibaccatum George K. Helmkamp 2003-7-31 8071 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  CDA17701  Solanum sarrachoides Austin Griffiths 1987-5-31 18208 San Luis Obispo Oceano. Comment
  CAS-BOT-BC157500  Solanum umbelliferum R. F. Hoover 1947-3-26 6756 San Luis Obispo Oak Park district Comment
  OBI9107  Solanum xanti Robert F. Hoover 1947-3-26 6756 San Luis Obispo Oak Park district Comment
  RSA473697  Solidago confinis E. A. Purer 1931-8-5 14038 San Luis Obispo Oceano Comment
  SD38304  Solidago confinis Edith A. Purer 1932-8-28 San Luis Obispo Oceano. Comment
  SD38295  Solidago spathulata Edith A. Purer 1931-8-7 San Luis Obispo Oceano. Comment
  OBI15442  Soliva sessilis Robert F. Hoover 1967-4-12 10426 San Luis Obispo Upper Arroyo Grande Comment
  UC36505  Soliva sessilis Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  OBI38431  Sonchus asper Eric Wise 1981-6-22 646 San Luis Obispo Lopez Water Treatment Reservoir Comment
  OBI38432  Sonchus asper Eric Wise 1981-6-22 634 San Luis Obispo Lopez Water Treatment Reservoir Comment
  UCR132035  Sonchus oleraceus George K. Helmkamp 2003-7-31 8070 San Luis Obispo Central Coast, west edge of Nipomo Hill at junction of Cienaga Rd. and Valley View Road 15 Comment
  UCR140145  Sonchus oleraceus George K. Helmkamp 2004-2-7 8257 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd., just east of Mesa View Dr. 76 Comment
  CDA3453  Spergula arvensis G. K. Helmkamp 2004-3-15 8364 San Luis Obispo Central Coast; edge of Nipomo Mesa overlooking Cienaga Valley, along CA-1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. Comment
  UCD99163  Spergula arvensis G. K. Helmkamp 2004-3-15 8364 San Luis Obispo San Luis Obispo County: edge of Nipomo Mesa overlooking Cienaga Valley, along CA-1 (Mesa View Dr.), 0.3 mile N of Halcyon Road. 76 Comment
  UCD99167  Spergula arvensis W. L. Jepson 1941-4-17 20258 San Luis Obispo San Luis Obispo County: Arryo Grande. Comment
  UCR140070  Spergula arvensis George K. Helmkamp 2004-3-15 8364 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  UCSC003832  Spergula arvensis Unknown unknown s.n. San Mateo Half Moon Bay, 2 miles inland. Half Moon Bay Comment
  JEPS51206  Spergula arvensis subsp. arvensis W. L. Jepson 1941-4-17 20258 San Luis Obispo Arroyo Grande Comment
  UC1125828  Spergula arvensis subsp. arvensis N. K. Carlson 1936-3-18 133 San Luis Obispo 0.6 mi. s.-s.w. Picacho (Plot 2); Arroyo Grande Quad. Comment
  UCD99216  Spergularia macrotheca P. B. Kennedy 1927-7-15 s.n. San Luis Obispo San Luis Obispo County: Oceano Beach, Oceano. 6 Comment
  RSA0098756  Spergularia macrotheca var. macrotheca George K. Helmkamp 2004-2-10 8268 San Luis Obispo Central Coast: SE of Oceano along Halcyon Rd., 0.2 miles E of Mesa View Dr. 76 Comment
  SD178171  Spergularia macrotheca var. macrotheca G. K. Helmkamp 2004-2-10 8268 San Luis Obispo Central Coast: southeast of Oceano along Halcyon Rd., 0.2 mi east of Mesa View Dr. 75 Comment
  UCR140146  Spergularia macrotheca var. macrotheca George K. Helmkamp 2004-2-10 8268 San Luis Obispo Central Coast, southeast of Oceano along Halcyon Rd., 0.2 mi east of Mesa View Dr. 76 Comment
  CAS-BOT-BC390908  Spergularia marina R. F. Hoover 1967-4-12 10422 San Luis Obispo Upper Arroyo Grande Comment
  OBI73598  Spirodela oligorrhiza David J. Keil, with V. L. Holland 2010-6-15 30886 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. 98 Comment
  UC76378  Stachys ajugoides var. ajugoides Miss M. Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  UC25940  Stachys bullata Alice King Apr. 1895 San Luis Obispo Arroyo Grande Comment
  UC76163  Stachys bullata Miss M. Alice King April, 1895 San Luis Obispo Arroyo Grande Comment
  OBI79558  Stachys chamissonis David J. Keil 2012-7-18 31443 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Mountain View Drive between Halcyon Road and railroad trestle 13 Comment
  SBBG130684  Stachys chamissonis D. J. Keil 2012-7-18 31443 San Luis Obispo western slope of Nipomo Mesa overlooking agricultural fields, Mtn View Drive between Halcyon Rd and railroad trestle 13 Comment
  UC126602  Stachys chamissonis H. M. Hall 1907-5-11 7693 San Luis Obispo Oak Park Comment
  UCR247880  Stachys chamissonis David J. Keil 2002-9-12 29920 San Luis Obispo North of Arroyo Grande, West Ormonde Road, c. 1.2 mi from the junction with Price Canyon Road. East side of road between drives to 525 and 535 West Ormonde Road 113 Comment
  RSA478162  Stellaria longipes Anonymous 1930-4-19 s.n. San Luis Obispo Arroyo Grande Comment
  CDA3545  Stellaria media G. K. Helmkamp 2004-2-7 8260 San Luis Obispo Central Coast; SE of Oceano along Halcyon Rd., just E of Mesa View Dr. Comment
  UCR140111  Stellaria media George K. Helmkamp 2004-2-7 8260 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd., just east of Mesa View Dr. 76 Comment
  UCR140371  Stellaria media George K. Helmkamp 2004-3-21 8384 San Luis Obispo Central Coast, Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of the junction of Halcyon Rd., SE of Oceano 61 Comment
  CDA11605  Stenotaphrum secundatum G. F. Hrusa, Marg. Griffiths, T. D. Wilfred 1995-6-22 12428 San Luis Obispo Cultivated Plants; St. Augustine grass. Cultivated as lawn grass at Casitas Lane, Oceano. Brought here from florida in late 1970's and quickly filled entire yard. Well-established. Comment
  CDA17518  Stenotaphrum secundatum Austin Griffiths 1980-8-29 s.n. San Luis Obispo Oceano. Comment
  CDA17566  Stenotaphrum secundatum Austin Griffiths 1980-11-16 s.n. San Luis Obispo on Casitas St., Oceano. Comment
  OBI15398  Stephanomeria elata Robert F. Hoover 1966-9-21 10092 San Luis Obispo Grover City Comment
  OBI66747  Stephanomeria elata David J. Keil 2004-8-31 29103 San Luis Obispo Arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondonada Road. Comment
  CAS-BOT-BC375296  Stephanomeria exigua subsp. carotifera R. F. Hoover 1966-9-21 10092 San Luis Obispo Grover City Comment
  CDA17543  Stephanomeria virgata Austin Griffiths 1980-9-7 s.n. San Luis Obispo Oceano Dunes; SW corner of Beach and 19th St, Oceano. Comment
  OBI66748  Stephanomeria virgata David J. Keil 2004-8-31 29104 San Luis Obispo Arroyo Grande area. Ca. 0.5 miles off Lopez Drive on Hondonada Road. Comment
  UCR132042  Stephanomeria virgata subsp. pleurocarpa George K. Helmkamp 2003-7-29 8042 B San Luis Obispo Central Coast, 0.6 mi south of Nipomo Hill in Arroyo Grande area 46 Comment
  IRVC28948  Stephanomeria virgata subsp. virgata G. K. Helmkamp 2003-9-21 8161 San Luis Obispo Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande Central Coast 46 Comment
  UC1321344  Stephanomeria virgata subsp. virgata R. F. Hoover 1966-9-21 10092 San Luis Obispo Grover City. Comment
  UCR134691  Stephanomeria virgata subsp. virgata George K. Helmkamp 2003-9-21 8161 San Luis Obispo Central Coast, Los Berros Rd, 0.9 mi SE of El Campo Rd., SE of Arroyo Grande 46 Comment
  UCR185198  Stipa pulchra Michael Honer 2002-4-28 1623 San Luis Obispo Santa Ynez-Santa Maria Basin, Coastal Plains; Approx. 4 mi. SE of Arroyo Grande, along Hwy 101 91 Comment
  OBI73548  Stipa tenuissima David J. Keil 2010-7-20 30922 San Luis Obispo Along Thomas Hill Road, just south of Hondonada Road, east of Arroyo Grande 100 Comment
  CAS-BOT-BC376049  Stylocline gnaphaloides R. F. Hoover 1969-5-3 11299 San Luis Obispo Upper Arroyo Grande Comment
  OBI15395  Stylocline gnaphaloides Robert F. Hoover 1969-5-3 1299 San Luis Obispo Upper Arroyo Grande Comment
  UC126748  Symphyotrichum subspicatum I. J. Condit 1908-11-14 6 San Luis Obispo Oceano Comment
  UC455485  Symphyotrichum subspicatum I. J. C. and W. F. Ewing 1908-11-14 San Luis Obispo Oceano Comment
  UC1927791  Symphyotrichum subulatum David Keil 2001-11-14 29735 San Luis Obispo Arroyo Grande, along western side of North Oak Park Boulevard just southwest of junction with Noyes Road and Old Oak Park Road (35.1413 N, 120.5995 W). Comment
  RSA0106596  Symphyotrichum subulatum var. elongatum David J. Keil 2001-11-14 29735 San Luis Obispo Arroyo Grande, along western side of North Oak Park Boulevard just SW of junction with Noyes Road and Old Oak Park Road. 37 Comment
  UC1953332  Symphyotrichum subulatum var. elongatum David Keil 2001-6-26 29624 San Luis Obispo Arroyo Grande, Camino Mercado, ca. 0.2 mile north from junction with west Branch Street. Comment
  CDA25910  Symphyotrichum subulatum var. squamatum David J. Keil 2001-11-14 29735 San Luis Obispo Arroyo Grande, along western side of North Oak park Boulevard just southwest of junction with Noyes Road and Old Oak Park Road. Comment
Read comments
Mar 16 2011
  OBI59295  Symphyotrichum subulatum var. squamatum David J. Keil 2001-6-26 29624 San Luis Obispo Arroyo Grande, Camino Mercado, ca. 0.2 mile north from junction with west Branch Street. Comment
  UC76379  Tauschia hartwegii Miss M. Alice King 1895-1 San Luis Obispo Arroyo Grande Comment
  UC73300  Tetrapteron graciliflorum Miss M. Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC66635  Thysanocarpus curvipes R. F. Hoover 1967-3-5 10246 San Luis Obispo Upper Arroyo Grande. Comment
  CAS-BOT-BC66636  Thysanocarpus curvipes R. F. Hoover 1967-3-5 10246 San Luis Obispo Upper Arroyo Grande. Comment
  OBI14856  Thysanocarpus curvipes subsp. elegans Robert F. Hoover 1967-3-5 10246 San Luis Obispo Upper Arroyo Grande Comment
  UC1127062  Thysanocarpus laciniatus N. K. Carlson 1936-3-18 145 San Luis Obispo .5 mi se Newsom Springs (Plot 3); Arroyo Grande Quad., se of Newsom Springs 137 Comment
  OBI82238  Torilis arvensis David J. Keil, with V. L. Holland 2015-5-11 33181 San Luis Obispo Arroyo Grande, 400 Aloma Way 90 Comment
  UC20901  Torilis nodosa Alice King May 1895 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC169238  Toxicodendron diversilobum R. F. Hoover 1962-2-22 8531 San Luis Obispo Oak Park district. Comment
  CAS-BOT-BC169239  Toxicodendron diversilobum R. F. Hoover 1962-2-22 8531 San Luis Obispo Oak Park district. Comment
  OBI20468  Toxicodendron diversilobum Robert F. Hoover 1962-2-22 8531 San Luis Obispo Oak Park district Comment
  OBI80087  Tragopogon porrifolius David J. Keil 2012-8-21 31509 San Luis Obispo Arroyo Grande. Vicinity of Arroyo Grande Creek near Bridge Street 25 Comment
  SEINET7063675  Trifolium ciliolatum A. G. Vestal 1947-4-16 s.n. San Luis Obispo About 2 miles east of Arroyo Grande on Route 227. UTM Zone 10, 724492mE, 3890635mN. (WGS84/NAD83). 64 Comment
  UC165578  Trifolium depauperatum var. amplectens Miss M. Alice King 1895-1 San Luis Obispo Arroyo Grande Comment
  UC1130044  Trifolium gracilentum N. K. Carlson 1936-3-18 124 San Luis Obispo 1 mi e Nipomo; Arroyo Grande quad 76 Comment
  JEPS65897  Trifolium gracilentum var. gracilentum W. L. Jepson 1941-4-17 20265 San Luis Obispo Arroyo Grande Comment
  CDA17742  Trifolium incarnatum Austin Griffiths, Kathleen G. Jones 1982-4-25 s.n. San Luis Obispo first house SW of State Hwy 1 and Halcyon Rd. intersection. 0 Comment
  SEINET7063676  Trifolium variegatum A. G. Vestal 1947-4-16 s.n. San Luis Obispo About 2 miles east of Arroyo Grande on Route 227. UTM Zone 10, 724492mE, 3890635mN. (WGS84/NAD83). 64 Comment
  OBI75559  Trifolium variegatum var. major Robert F. Hoover 1967-4-12 10421 San Luis Obispo Upper Arroyo Grande Comment
  UC16815  Trifolium variegatum var. melananthum Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  JEPS4373  Trifolium willdenovii W. L. Jepson 1941-4-17 20254 San Luis Obispo Arroyo Grande Comment
  CAS-BOT-BC451973  Triglochin striata R. F. Hoover 1948-11-13 7558 San Luis Obispo West of Oceano Comment
  UC4011  Trillium angustipetalum W. H. Brewer 1861-4-13 438 San Luis Obispo Arroyo Grande Comment
  OBI82234  Triodanis biflora David J. Keil, with V. L. Holland 2015-5-11 33183 San Luis Obispo Arroyo Grande, 400 Aloma Way 90 Comment
  SD264799  Triodanis biflora David Keil, V. L. Holland 2015-5-11 33183 San Luis Obispo Arroyo Grande, 400 Aloma Way. 89 Comment
  OBI79625  Tropaeolum majus Bryce Shaw, Sebastian Maldonado, Connor Muench 2014-5-18 1 San Luis Obispo Strother Community Park in Arroyo Grande Creek, Walk down path from the park leading to the creek, on left side of trail. 45 Comment
  OBI80097  Tropaeolum majus David J. Keil 2012-8-21 31505 San Luis Obispo Arroyo Grande. Vicinity of Arroyo Grande Creek near Bridge Street 25 Comment
  OBI80945  Tropaeolum majus Sammy Bueche, Anthony Campos, Mia Stornetta, Jessie Poletti, John Corotis and Andy Catanio 2015-4-24 2 San Luis Obispo Strother Park. Hillside that gradually slopes into a flat area along the bank of the Arroyo Grande Creek 14 Comment
  OBI81527  Tropaeolum majus Jaymee Schienle, Kevin Allenstein, Tibo Smolders, Matt Wauters, Adriana Delucchi 2015-11-3 7 San Luis Obispo Strothers Park. Comment
  CAS-BOT-BC73842  Tropidocarpum gracile R. F. Hoover 1967-3-5 10243 San Luis Obispo Upper Arroyo Grande. Comment
  OBI14837  Tropidocarpum gracile Robert F. Hoover 1967-3-5 10243 San Luis Obispo Upper Arroyo Grande Comment
  RSA212269  Tropidocarpum gracile Robert F. Hoover 1967-3-5 10243 San Luis Obispo Upper Arroyo Grande. Comment
  UC72941  Tropidocarpum gracile Miss M. Alice King April, 1895 San Luis Obispo Arroyo Grande Comment
  OBI75308  Typha X glauca David J. Keil 2010-11-10 30953 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road. Comment
  OBI75307  Typha domingensis David J. Keil 2010-11-10 30952 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road. Comment
  OBI75327  Typha latifolia David J. Keil 2010-11-10 30951 San Luis Obispo 5-acre rectangular parcel located at 615 Ormonde Road, between San Luis Obispo and arroyo Grande south of intersection of Ormonde Road with Price Canyon Road. Comment
  OBI79960  Ulmus americana David J. Keil, with V. L. Holland 2013-6-12 31802 San Luis Obispo Arroyo Grande area off Lopez Drive in vicinity of Sweet Springs Mobile Home Park Comment
  OBI37358  Urtica dioica subsp. holosericea Eric Wise 1981-6-22 648 San Luis Obispo Lopez Water Treatment Reservoir Comment
  CDA17898  Urtica urens Austin Griffiths 1987-1-31 18049 San Luis Obispo Oceano. 0 Comment
  OBI79469  Urtica urens David J. Keil 2011-12-11 31208 San Luis Obispo Arroyo Grande. Southwest of intersection of P.C. Railway and E. Cherry Ave 39 Comment
  OBI81018  Urtica urens Sammy Bueche, Anthony Campos, Mia Stornetta, Jessie Poletti, John Corotis, Andy Catanio 2014-4-24 3 San Luis Obispo Strother Park. Hillside that gradually slopes into a flat area along the bank of the Arroyo Grande Creek. 14 Comment
  UCR158738  Urtica urens George K. Helmkamp, E. A. Helmkamp 2005-4-17 9368 San Luis Obispo Central Coast, Corbett Canyon, 2.3 miles north of Calif. Hwy 227 in Arroyo Grande 81 Comment
  UCD137050  Venegasia carpesioides R. N. Raynor 1938-7-4 s.n. San Luis Obispo San Luis Obispo County: Arroyo Grande Park. Comment
  UCD125990  Verbena lasiostachys R. N. Raynor 1938-7-4 s.n. San Luis Obispo San Luis Obispo County: Arroyo Grande Park. Comment
  UCR140094  Verbena lasiostachys var. scabrida George K. Helmkamp 2004-4-1 8418 San Luis Obispo Central Coast, Nipomo Mesa; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mi south of Halcyon Rd. 76 Comment
  OBI37700  Veronica anagallis-aquatica Eric Wise 1981-6-22 640 San Luis Obispo Lopez Water Treatment Reservoir Comment
  RSA522565  Veronica anagallis-aquatica E. Wise 1981-6-22 653 San Luis Obispo Lopez Water Treatment Reservoir. Comment
  UC1191924  Veronica anagallis-aquatica Malcolm A. Nobs, S. Galen Smith 1949-6-22 813 San Luis Obispo 3 mi s of Pismo Beach (at Oceano); Oceano Comment
  UC1191927  Veronica anagallis-aquatica Malcolm A. Nobs, S. Galen Smith 1949-6-22 812 San Luis Obispo 3 mi s of Pismo Beach (at Oceano); Oceano Comment
  SEINET1004400  Veronica arvensis George K. Helmkamp 2004-1 8256 San Luis Obispo Central Coast: SE of Oceano along Halcyon Rd., just E of mesa View Dr. 76 Comment
  UCR140144  Veronica arvensis George K. Helmkamp 2004-2-7 8256 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd., just east of Mesa View Dr. 76 Comment
  CDA17727  Veronica persica Austin Griffiths 1987-3-29 18077 San Luis Obispo Vicinity of Oceano. 30 Comment
  OBI58242  Veronica persica Austin P. Griffiths 1987-3-29 18077 San Luis Obispo Weeds of the Central Coast. Vicinity of Oceano Comment
  SEINET1004401  Veronica persica George K. Helmkamp 2004-1 8259 San Luis Obispo Central Coast: SE of Oceano along Halcyon Rd., just E of Mesa View Dr. 76 Comment
  UCR140110  Veronica persica George K. Helmkamp 2004-2-7 8259 San Luis Obispo Central Coast, SE of Oceano along Halcyon Rd., just east of Mesa View Dr. 76 Comment
  OBI81471  Viburnum tinus Adriana Delucchi, Jaymee Schienle, Kevin Allenstein, Tibo Smolders, Matt Wauters, Adriana Delucchi 2015-11-3 8 San Luis Obispo Strothers Park Comment
  CDA17632  Vicia benghalensis Austin Griffiths 1978-5-2 s.n. San Luis Obispo Central Coast; Sandy pasture in Oceano. Comment
  UC454614  Vicia hassei E. P. Unangst 1906-5-14 San Luis Obispo Oak Park Comment
  UC76453  Vicia hassei Miss M. Alice King Apr 1895 San Luis Obispo Arroyo Grande Comment
  SBBG67504  Vicia nigricans var. gigantea R. Hoffmann 1930-4-19 San Luis Obispo Oceano Comment
  UCR140379  Vicia sativa subsp. sativa George K. Helmkamp 2004-3-15 8367 San Luis Obispo Central Coast, edge of Nipomo Mesa overlooking Cienaga Valley, along Calif. Hwy 1 (Mesa View Dr.), 0.3 mi N of Halcyon Rd. 76 Comment
  OBI79165  Vinca major David J. Keil 2011-11-5 31159 San Luis Obispo Western slope of Nipomo Mesa overlooking agricultural fields. Mountain View Drive between Halcyon Road and railroad trestle 13 Comment
  UC1121604  Viola pedunculata H. C. Lee 1936-2-15 395 San Luis Obispo 1 mi se of Arroyo Grande 91 Comment
  UC1121605  Viola pedunculata N. K. Carlson 1936-3-18 129 San Luis Obispo 1 mi e of Nipomo Hill 76 Comment
  CHSC30514  Vulpia bromoides T. B. Devine 1980-4-5 672 San Luis Obispo Along frontage road just E. of Hwy. 101 ca 1 mi. S. of Arroyo Grande. Roadcut beside pasture. Comment
  RSA769867  Vulpia bromoides David J. Keil, V. L. Holland 2010-6-15 30888 San Luis Obispo Between San Luis Obispo and Arroyo Grande at 615 Ormonde Road, south of intersection of Ormonde Road with Price Canyon Road. 5-acre rectangular parcel. 100 Comment
  RSA415978  Vulpia microstachys var. pauciflora Ralph Hoffman 1930-4-10 s.n. San Luis Obispo Oceano. Comment
Read comments
May 26 2013
  SD178087  Vulpia myuros G. K. Helmkamp 2004-3-21 8387 San Luis Obispo Central Coast; Mesa Dunes Mobile Home Park along Mesa View Dr., 0.2 mile south of the junction of Halcyon Road., southeast of Oceano. 60 Comment
  OBI79128  Wolffia columbiana David J. Keil 2011-11-5 31166 San Luis Obispo Base of western slope of Nipomo Mesa at edge of agricultural field. Mountain View Drive about 3/4 of way between Halcyon Road and railroad trestle 10 Comment
  UC455202  Wolffiella lingulata I. J. Condit 1908-11-14 San Luis Obispo Oceano Comment
  UCR131932  Xanthium strumarium George K. Helmkamp 2003-8-18 8093 San Luis Obispo Central Coast, S of Arroyo Grande; along Mesa View Dr., 0.4 mi south of the junction of Cienaga and Valley View Rd. 30 Comment
  UC20899  Yabea microcarpa Alice King May, 1895 San Luis Obispo Arroyo Grande Comment
  OBI82459  Zeltnera davyi David J. Keil, with V. L. Holland 2015-6-19 33258 San Luis Obispo Rural area north of Arroyo Grande between Corbett Canyon Road and Highway 227, accessed via Dairy Lane and a private drive 125 Comment
  UC1600870  Zigadenus fremontii H. C. Lee 1936-2-17 402 San Luis Obispo Picacho Hill San Luis Obispo National Forest, Arroyo Grande Quad 228 Comment



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