Search Results — 2000 specimen records retrieved (1271 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UC1300945  Abronia latifolia Helen K. Sharsmith 1963-5-25 5497 Sonoma s of Bodega Harbor; San Francisco By Region 1 Comment
  UCD109786  Abronia latifolia Eric S. Nagy 1990-5-18 s.n. Sonoma Bodega Head, first dune ridge W of harbor along road, E of marine lab dorms, Bodega Bay. Comment
  UCR109504  Abronia latifolia Frank C. Vasek 1966-7-16 660716- 03 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  UCR198015  Abronia latifolia Chris Chan 1991-3-5 04 Sonoma University of California Bodega Marine Lab 34 Comment
  RSA0025771  Abronia latifolia E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  SD125397  Abronia latifolia Robert Robichaux 1975-5-18 129 Sonoma Bodega Bay, northwest end of Bodega Head Comment
  CAS-BOT-BC376300  Abutilon theophrasti Greg de Nevers 1992-7-25 10235 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Mark West Creek 304 Comment
  UCD160515  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 702 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.66. 53 Comment
  JEPS44843  Acaena pinnatifida var. californica W. L. Jepson 1931-7-19 15933 Sonoma Bodega, Watson School 152 Comment
  CAS-BOT-BC361332  Acaena pinnatifida var. californica Greg de Nevers 1997-4-26 10982 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  UCD112508  Acaena pinnatifida var. californica P. G. Connors 1991-6-27 185 Sonoma Bodega Marine Laboratory. Bodega Head and Dunes. Near Horseshoe Cove. Comment
  CAS-BOT-BC332753  Acer macrophyllum Peter Rubtzoff 1980-5-26 9449 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC332797  Acer macrophyllum Irja Knight; Walter Knight 1964-11-15 785 Sonoma Hood's Peak at Johnson Lake Comment
  RSA788832  Acer macrophyllum Carrie A. Herd 1982-3-14 17 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UC1171645  Acer negundo var. californicum H. S. Yates 1934-4-21 3809 Sonoma near Markham; Duncan's Mills Quad., near Markham 15 Comment
  JEPS79727  Achillea millefolium Edward Lee with W. A. Setchell 1936-6-7 2192 Sonoma Bohemian Grove Comment
  CAS-BOT-BC400008  Achlys triphylla Greg de Nevers; Susan Charnley 1987-3-28 8129 Sonoma Sea Ranch, along the Gualala River 20 Comment
  CAS-BOT-BC29159  Achyrachaena mollis D. D. Keck 1931-4-2 1000 Sonoma Boyes Springs 30 Comment
  UCR280135  Achyrachaena mollis Peter Rubtzoff, H. A. Froebe 1971-5-30 6478 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  POM55004  Achyrachaena mollis A. A. Heller, H. E. Brown 1902-4-16 s.n. Sonoma Fields east of Santa Rosa Comment
  SD37777  Acmispon americanus Edith A. Purer 1932-7-24 4071 Sonoma Canyon west of Santa Rosa Comment
  UCD104090  Acmispon brachycarpus Patti Togioka; R. Waraich 1993-5-8 207 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail about 2 air miles S of Bald Mtn. 365 Comment
  UCD104289  Acmispon parviflorus Botany 102 Students 1993-4-24 93 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail, S of Sonoma Creek. 411 Comment
  UCD104330  Acmispon parviflorus Helen K. Sharsmith 1963-5-25 5475 Sonoma Road from Freestone to Occidental. 121 Comment
  CAS-BOT-BC376279  Acmispon wrangelianus Greg de Nevers 1992-5-2 10138 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 457 Comment
  CAS-BOT-BC30277  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  POM56895  Adenocaulon bicolor A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UCD128526  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC139919  Adenostoma fasciculatum Bolander 1877-6-17 s.n. Sonoma Guerneville Comment
  UCD137173  Adiantum aleuticum Mary M. Hektner 1975-6-3 203 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC65687  Adiantum jordanii Mary P. Wells 1984-7-20 376 Sonoma The Hot Spot, The Sea Ranch Comment
  CAS-BOT-BC368050  Aegilops triuncialis Greg de Nevers 1989-6-8 9074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC202706  Aesculus californica Peter Rubtzoff 1960-6-10 4494 Sonoma Fife Creek Marsh Comment
  SEINET12237259  Aesculus californica F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -074 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 107 Comment
  UCSB15939  Aesculus californica Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 1.2 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  NY81  Agastache glaucifolia A. A. Heller 1902-6-28 5792 Sonoma Between Knight's Valley and Mark West Springs. Comment
  CAS-BOT-BC210013  Agrostis Peter Rubtzoff 1968-6-25 5911 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC383037  Agrostis Greg de Nevers 1989-4-1 9061 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA785930  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh. Comment
  UCD148481  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mountain Lake. Comment
  UCD163998  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  UCR244617  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  SEINET10849962  Agrostis P. Rubtzoff 1967-8-22 Rubtzoff 5855 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UCD37158  Agrostis blasdalei Beecher Crampton 1957-7-11 4352 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51831  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD51847  Agrostis capillaris Beecher Crampton 1957-7-22 4365 Sonoma along Hwy. 1, 8.2 miles north of Stewart's Point. Comment
  UCD52007  Agrostis densiflora Beecher Crampton 1957-7-22 4357 Sonoma along State Hwy. 1, 0.3 miles north of Stewart's Point. Comment
  CAS-BOT-BC126967  Agrostis exarata A. A. Heller 1902-6-7 5654 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC126975  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa. Comment
  CAS-BOT-BC126978  Agrostis exarata R. F. Hoover 1966-7-17 9415 Sonoma Sausal Creek north of Alexander Valley. Comment
  RSA129591  Agrostis exarata H. S. Yates 1937-5-31 6565 Sonoma 1 1/2 miles N.W. of Petrified Forest, Calistoga quadrangle 335 Comment
  UCD52135  Agrostis exarata Freed W. Hoffman 1941-6-29 2069 Sonoma Sonoma Mountain Road. Comment
  CAS-BOT-BC139555  Agrostis gigantea Peter Rubtzoff 1951-7-21 508 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower Marshes. Comment
  UCD52714  Agrostis hallii Beecher Crampton 1959-6-16 5382 Sonoma 1 mile E of Occidental. Comment
  SBBG26362  Agrostis microphylla B. Crampton 1966-5-10 Sonoma 5.5 mi N of Sonoma. St Hwy 12 Comment
  JEPS128360  Agrostis pallens Roger Raiche 2000-6-4 131 .00 Sonoma The Cedars, Gateway Parcel at Christi Camp, Lower Russian River, Big Austin Creek watershed. Comment
  UC766898  Agrostis pallens Robert F. Hoover 1941-6-7 5315 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  SEINET7594124 Image available Agrostis perennans A. A. Beetle 1941-1 2855 Sonoma 5 miles south of Steward Point 24 Comment
  OBI35897  Agrostis stolonifera David J. Keil 1983-6-30 17212 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC176185  Aira caryophyllea Peter Rubtzoff 1974-5-25 7459 Sonoma Upper Green Valley Marsh. Comment
  RSA316038  Aira caryophyllea Patricia Wilder 1934-6-10 3634 Sonoma 1.0 mile N of Jenner on California state Hwy 1.North coast 23 Comment
  RSA785372  Aira caryophyllea Peter Rubtzoff 1974-5-18 7438 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD165152  Aira caryophyllea Peter Rubtzoff 1974-5-18 7438 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC138218  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1961-6-17 4624 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC182739  Alisma Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point Comment
  CAS-BOT-BC445338  Alisma lanceolatum Peter Rubtzoff 1955-7-16 1959 Sonoma Bennett Mtn. Lake. Comment
  UC1042432  Alisma plantago-aquatica Peter Rubtzoff 1951-8-19 664 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC445462  Alisma triviale Peter Rubtzoff 1955-10-12 2168 Sonoma East Guernewood, near Guerneville. Comment
  RSA94453  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  CAS-BOT-BC376322  Allium Greg de Nevers 1993-5-17 10450 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen east of 3865 Franz Valley Road. 400 Comment
  CAS-BOT-BC461068  Allium amplectens Alice Eastwood 1915-6-5 4607 Sonoma Petrified Forest Comment
  CAS-BOT-BC469102  Allium dichlamydeum Milo S. Baker 1932-5-3 5948 Sonoma 1 mile north of Salmon Creek Comment
  UCD151238  Allium falcifolium James A. Neilson Jr. 1974-3-30 2725 Sonoma Mayacmas Mountains, county line ridge, 1/4 mile north of Geyser Rock. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  CDA19075  Allium triquetrum G. Bjork 2001-4-4 PDR 117291 Sonoma North Coast Ranges; on Copperfield Ct., Santa Rosa. 0 Comment
  UCD166480  Alnus rhombifolia Peter Rubtzoff 1960-9-15 4549 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC169361  Alnus rubra Peter Rubtzoff 1957-4-28 3286 Sonoma Lower Salmon Creek Marsh, along streamlet Comment
  CAS-BOT-BC169364  Alnus rubra Peter Rubtzoff 1959-9-12 4261 Sonoma Willows Creek Marsh, growing along Willow Creek Comment
  CAS-BOT-BC138051  Alopecurus aequalis var. sonomensis John Thomas Howell 1945-5-30 20899 Sonoma Pitkin Marsh. Comment
  JEPS45802  Alopecurus saccatus Eleanor Armstrong 1932-6-4 186 Sonoma 5 mi. w. Graton (<Schlackey> Flat) 30 Comment
  CAS-BOT-BC258029  Amaranthus Peter Rubtzoff 1973-8-29 7284 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165776  Amaranthus Peter Rubtzoff 1973-8-29 7284 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  SEINET5710304  Ambrosia chamissonis Michael Fleschner 1965-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay.; Bodega Bay Comment
  UC29417  Ambrosia psilostachya J. Burtt Davy Oct 1 1896-Jan 1 1900 2852 Sonoma Sonoma Comment
Read comments
Nov 13 2016
  CAS-BOT-BC135672  Amelanchier utahensis John Thomas Howell 1930-6-8 5287 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC136751  Amelanchier utahensis H. E. McMinn 1922-6-1 s.n. Sonoma Along Petrified Forest Comment
  CAS-BOT-BC137882  Ammophila arenaria W. M. Hiesey 1945-9-21 551 a Sonoma Bodega sand dunes. Comment
  CAS-BOT-BC177225  Amorpha californica var. napensis Rimo Bacigalupi 1927-9-3 1799 Sonoma 2 miles northwest of Cazadero on road to Seaview Comment
  CAS-BOT-BC177233  Amorpha californica var. napensis Alice Eastwood 1915-6-5 4614 Sonoma Petrified Forest Comment
  UC1178202  Amsinckia intermedia Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1123 Sonoma 0.5 mi s of Napa-Sonoma county line on road to Calistoga Comment
  UC727130  Amsinckia intermedia A. A. Heller 1940-4-22 15547 Sonoma Anderson Valley Comment
  SBBG21166  Amsinckia spectabilis V. Haraden 1941-7-13 5 Sonoma Bodega Bay 15 Comment
  RSA178650  Amsinckia spectabilis Roxana S. Ferris 1932-5-27 8257 Sonoma Bodega Bay. Comment
  SEINET2028844 Image available Anagallis arvensis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15219 Sonoma 2 miles north of Kellogg Comment
  POM44461  Anagallis arvensis Janet Beckman 1882-7-17 s.n. Sonoma Duncans Wills. Comment
  SEINET5733527 Image available Anagallis arvensis Michelle Mahoney 1965-1 29 Sonoma Behind Shell Oil station.; Jenner 30 Comment
  POM188278  Andropogon glomeratus Marcus E. Jones 1931-7-5 92909 Sonoma The Geysers. Comment
  RSA94466  Andropogon glomeratus Peter Rubtzoff 1951-11-24 849 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh; in a marshy opening. Comment
  UCD127216  Angelica californica J. M. Tucker 1951-6-26 2139 Sonoma Near summit of range, road from Glen Ellen to Oakville. Comment
  JEPS40363  Anisocarpus madioides M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 243 Sonoma near Guerneville; Russian River Comment
  UCD128891  Anisocarpus madioides F. Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1758 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles northwest of Napa, 1.5 air miles northeast of Kenwood. In Adobe Canyon north of Sugarload Ridge along the Goodspeed Trail, 200 yards from the trail head on Adobe Canyon Road and just east of Bear Creek, 5 yards north of confluence with Sonoma Creek. 198 Comment
  CAS-BOT-BC137770  Anthoxanthum aristatum Alice Eastwood; John Thomas Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor. Comment
  JEPS97536  Anthoxanthum aristatum R. D. Stone 1980-11-28 320 Sonoma the Sea Ranch; Annapolis Road area just below and W of landing strip Comment
  UCD37566  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2415 Sonoma 2 miles southwest of Windsor. Comment
  HSC93590  Anthoxanthum occidentale G. Fred Hrusa, G. L. Stebbins 1994-3-28 11705 Sonoma 14 mi. W of Cazadero Comment
  CAS-BOT-BC137693  Anthoxanthum odoratum John H. Thomas 1976-6-16 18340 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  SEINET3918446  Anthoxanthum odoratum Fred W. Hoffman 1941-6-15 2150 Sonoma North Coast Ranges. Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  JEPS5285  Antirrhinum virga W. L. Jepson 1894-7-19 21300 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC361282  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  POM82406  Apium graveolens Marcus E. Jones 1882-7-17 3604 Sonoma Duncan's Mills. Comment
  UC22905  Apocynum androsaemifolium F. T. Bioletti 1892-7-5 Sonoma s. Los Guilucos Comment
  CAS-BOT-BC394993  Aquilegia formosa Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC17341  Arabis blepharophylla Roxana S. Ferris; D. H. Morey 1958-4-10 13335 Sonoma Summit of Bodega Head. Comment
  RSA102086  Arbutus menziesii John H. Redfield 1872-8-28 213 Sonoma Geyser Valley Comment
  SBBG83715  Arbutus menziesii G. H. Bolton 1975-4-19 12 Sonoma 1 mi W of St Hwy 12, Sebastopol Comment
  UCD168049  Arceuthobium campylopodum James Neilson 1981-7-1 4044 Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  RSA629203  Arctostaphylos Jon E. Keeley 1993-9-11 24780 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388321  Arctostaphylos Freed W. Hoffman 1947-8-9 1430 Sonoma 7 mi nw Cazadero (Hoffman Trail to Devil's Ribs); North Coast Ranges Comment
  UC1388335  Arctostaphylos Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek North Coast Ranges (a branch of Dutch Bill Creek) Comment
  UC526220  Arctostaphylos John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  CAS-BOT-BC24078  Arctostaphylos bakeri Walter Knight; Irja Knight 1985-12-29 6378 Sonoma Harrison Grade 213 Comment
  CAS-BOT-BC25321  Arctostaphylos bakeri Alice Eastwood; John Thomas Howell 1939-4-2 7376 Sonoma Near camp marker on road to Monte Rio Comment
  UC1120873  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1556 Sonoma 2 mi nne Occidental; Sebastopol Quadrangle Comment
  CDA38593  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. Comment
  RSA396205  Arctostaphylos bakeri subsp. bakeri F. H. Utech, Walter, Irja Knight 1984-4-18 84 -167 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  RSA622700  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24703 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA339386  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1985-9-29 RR 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill 121 Comment
  UCD160915  Arctostaphylos canescens James A. Neilson Jr. 1975-7-31 2951 Sonoma Mayacmas Mountains. One-quarter mile southwest of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  UCD162183  Arctostaphylos canescens D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1521 Sonoma Hooker Creek watershed. 520 Comment
  SEINET11987352  Arctostaphylos canescens W. Knight, Knight, I. 1981-1 3975 Sonoma 4.1 mi up Cavedale Road from jct of CA 12 Comment
  UCD110448  Arctostaphylos canescens subsp. canescens Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC23927  Arctostaphylos canescens subsp. canescens B. A. Stein 1981-3-8 455 Sonoma Ida Clayton Rd. 1 mi. west of Lake Co. line at turnoff to trout farm. 762 Comment
  CAS-BOT-BC23889  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10943 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC23893  Arctostaphylos canescens subsp. sonomensis Walter Knight; Irja Knight 1963-11-21 423 Sonoma Rincon Ridge - Sones' Backyard. Comment
  CAS-BOT-BC23898  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10945 Sonoma Rincon Ridge, near Santa Rosa Comment
  UC570377  Arctostaphylos canescens subsp. sonomensis Chas. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi sw County Farm; North Coast Range, Rincon Ridge 152 Comment
  CAS-BOT-BC23605  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11744 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC23647  Arctostaphylos columbiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast mountains near Kachia Rancheria, about 5 miles east of Stewarts Point Comment
  OBI14762  Arctostaphylos columbiana H. E. McMinn 1938-6-20 5127 Sonoma Stewarts Point to Gualala Comment
  UCD51494  Arctostaphylos columbiana Beecher Crampton 1957-7-22 4388 Sonoma Along State Hwy. 1; 8.7 miles south of Sewart's Point. Comment
  CAS-BOT-BC24976  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3856 Sonoma In a ditch along Vine Hill Road across from McConnell's place. Comment
  SD56794  Arctostaphylos densiflora Darley F. Howe 1963-5-22 3523 Sonoma 10 miles west of Santa Rosa on Vine Hill Road. 149 Comment
  UC1084443  Arctostaphylos densiflora G. Thomas Robbins 1940-3-22 303 Sonoma ca 8.5 mi w Santa Rosa (apple orchard along Guerneville rd); Vine Hill region 45 Comment
  UC726208  Arctostaphylos densiflora A. A. Heller 1941-3-2 15881 Sonoma roadside banks just w Vine Hill Schoolhouse (about 9 mi w of Santa Rosa) Comment
  SEINET11987167  Arctostaphylos densiflora J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4078 Sonoma Strybing Arboretum, Golden Gate Park, San Francisco, via Coulter's Nursery, from Vine Hill District, Comment
  SEINET11987220  Arctostaphylos densiflora W. Knight, Knight, I. 1980-1 3858 Sonoma California Native Plant Society preserve on Vine Hill School Rd, near Graton Comment
  SEINET11987280  Arctostaphylos densiflora W. Knight, Knight, I.; McClintock, E.; Sigg, J. 1981-1 4035 Sonoma Strybing Arboretum, San Francisco, originally from Vine Hill District, near Sebastopol Comment
  JEPS83504  Arctostaphylos glandulosa Jack and Betty Guggolz 1986-3-8 854 Sonoma ne side of Rockpile Rd. 9.1-9.3 mi from jnt. Stewart's Point Rd. (ca 15 mi nw of Healdsburg) Comment
  CAS-BOT-BC23281  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1963-9-1 261 Sonoma Pine Mt. Rd., NE Cloverdale, Harold Smith Ranch. Comment
  CAS-BOT-BC23289  Arctostaphylos glandulosa subsp. cushingiana Lewis S. Rose 1955-3-21 55035 Sonoma Rincon Ridge 2 mi. NE of Santa Rosa 152 Comment
  RSA177968  Arctostaphylos glandulosa subsp. cushingiana R. F. Thorne 1965-4-20 34347 Sonoma Top of Parker Hill ( N end of Parker Hill Road). ca. 3 miles N of Santa Rosa 244 Comment
  RSA631188  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24720 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631192  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24733 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  JEPS79450  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-7 2198 Sonoma s ridge Bohemian Grove (fire trail) Comment
  RSA364261  Arctostaphylos hispidula Roger Raiche 1984-1-14 40016 Sonoma Rockpile Road, 9.1 miles northwest of its intersection and beginning at Stewarts Point- Skaggs Springs Rd. 502 Comment
  CAS-BOT-BC39108  Arctostaphylos hispidula Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5172 Sonoma South-facing slope of ridge barrens south of Mt. Tom. 5.1 miles west on Kelly Road from Rockpile Road junction. 609 Comment
  RSA339410  Arctostaphylos hispidula Walter Knight, Irja Knight, Stephen W. Edwards 1985-1-27 5172 Sonoma south of Mt. Tom 5.1 miles west on Kelly Road from Rockpile Road junction 609 Comment
  SEINET11993696  Arctostaphylos hispidula Unknown 1984-1 RR 40541 Sonoma Rockpile Road, 7.8 mi N of its beginning at intersection of Skaggs Springs-Stewarts Point Rd 549 Comment
  SEINET2029878 Image available Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 miles west of Santa Rosa Comment
  UCD52043  Arctostaphylos manzanita Daryl Koutnik; Mary Barbercheck 1981-6-18 s.n. Sonoma Austin Creek State Recreation Area about 4 miles north of Guerneville. 487 Comment
  UCD52232  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1067 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  UCD59404  Arctostaphylos manzanita Roger Raiche; Stephen W. Edwards 1983-6-9 100 Sonoma The Cedars. West of ridge on Twitchell property near Cazadero. 274 Comment
Read comments
Oct 17 2013
  SEINET11990966  Arctostaphylos manzanita Unknown 1983-1 30499 K Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11987267  Arctostaphylos manzanita subsp. bakeri J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4101 Sonoma Strybing Arboretum, Golden Gate Park, San Francisco, orig. from near Occidental Comment
  CAS-BOT-BC38946  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 11760 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38922  Arctostaphylos manzanita subsp. glaucescens P. V. Wells; Walter Knight; Irja Knight 1986-1-10 5223 Sonoma Next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC38687  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5762 Sonoma Rincon Ridge near Santa Rosa Comment
  POM131951  Arctostaphylos manzanita subsp. manzanita A. A. Heller, H. E. Brown, A. H. Heller 1902-3-20 10640 Sonoma Near Windsor. Comment
  RSA394834B  Arctostaphylos manzanita subsp. manzanita D. Koutnik, Mary Barbercheck 1981-6-18 394834 Sonoma Austin Creek State Recreation Area about four miles north of Guerneville. 488 Comment
  UC1084351  Arctostaphylos manzanita subsp. manzanita G. Thomas Robbins 1937-3-25 7 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  UC1121477  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 833 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1193143  Arctostaphylos manzanita subsp. manzanita G. W. Tourtillott 1950-5-5 15 Sonoma 1/2 mi e Hale Ranch; Quad 60B3, Sulphur Creek 243 Comment
  UC205096  Arctostaphylos manzanita subsp. manzanita Katharine Brandegee Sonoma Mt. St. Helena Comment
  UC518977  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Baker Ranch Kenwood, Adobe Canyon Comment
  UCD52046  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  POM209914  Arctostaphylos patula H. F. Copeland 1932-3-18 A- 4 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  SEINET3410778 Image available Arctostaphylos sonomensis Lewis S. Rose 1933-2-22 s.n. Sonoma 3 mi. NE of Santa Rosa, Calif. Comment
  CAS-BOT-BC47336  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55009 Sonoma 2 mi. w. of Graton. Road to Occidental. 121 Comment
  CAS-BOT-BC47342  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5765 Sonoma Rincon Ridge near Santa Rosa. Comment
  JEPS98850  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 868 Comment
  RSA636805  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24756 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636815  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24748 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  JEPS95236  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  SEINET11990990  Arctostaphylos stanfordiana var. repens W. Knight, Knight, I. 1983-1 4726 Sonoma Tilden Botanic Garden, Berkeley, orig. from Rincon Ridge near Santa Rosa Comment
  SEINET11993703  Arctostaphylos stanfordiana var. repens Unknown 1985-1 50041 Sonoma unnamed ridge W side of Cry Creek Valley, N of Crane Cr & S of Bradford Mt 183 Comment
  SEINET11989191  Arctostaphylos viscida S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge, N of Cazadero, NW of King Ridge Rd at source of Big Austin Creek Comment
  UC6147  Aristolochia californica Alice King c. 1897 Sonoma Healdsburg Comment
  UCD164250  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone marsh. Comment
  CAS-BOT-BC175853  Artemisia Peter Rubtzoff 1961-9-20 4747 Sonoma Americano Creek area, 0.9 miles west of Bloomfield. Comment
  CAS-BOT-BC90496  Artemisia douglasiana Walter Knight; Irja Knight 1963-9-15 297 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC90490  Artemisia douglasiana Mary P. Wells 1982-8-21 s.n. Sonoma Gerstle Cove, Salt Point State Park Comment
  RSA791570  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh area. Comment
  RSA94406  Artemisia douglasiana F. W. Peirson 1925-8-8 6342 Sonoma Roadside 6 miles south of Santa Rosa Comment
  CAS-BOT-BC97234  Artemisia suksdorfii J. Clausen 1939-7-20 1715 (Tr. 1330) Sonoma along road just north of Jenner, towards Fort Ross Comment
  CAS-BOT-BC400607  Asarum caudatum Peter Rubtzoff 1955-5-7 1832 Sonoma Gully on west side of Green Valley Road, 1/2 mi. northwest of Harrison Grade Road junction (area betw. Forestville and Camp Meeker) Comment
  UC116648  Asarum caudatum F. T. Bioletti 1892-1 Sonoma Comment
  UC1299580  Asclepias solanoana Freed W. Hoffman 1947-5-30 549 Sonoma Layton Mine; North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC478543  Asparagus officinalis Walter Knight; Irja Knight 1961-8-26 4726 Sonoma Vacation Beach, near Guerneville Comment
  JEPS128388  Aspidotis densa Roger Raiche 2000-4-23 045 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA94282  Aster chilensis Peter Rubtzoff 1951-9-2 720 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC157676  Asteraceae Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC164697  Asteraceae Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC361328  Asteraceae Greg de Nevers 1997-8-17 11080 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC376426  Asteraceae Greg de Nevers 1995-5-9 10725 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In quarry by Ward House. 400 Comment
  CAS-BOT-BC361382  Asteraceae Greg de Nevers 1997-2-18 10906 Sonoma Highway 101, near Cloverdale Comment
  RSA415795  Astragalus claranus J. T. Howell 1931-4-19 6431 Sonoma 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa. Comment
Read comments
Nov 17 2007
  CAS-BOT-BC66150  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66156  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  UCD114231  Athysanus pusillus Frederica Bowcutt 1996-3-24 2085 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SE of Red Mountain. Along Vista Trail just SW of Headwaters Trailhead. Comment
  RSA0018576  Atriplex Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UC7081  Atriplex triangularis Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  CAS-BOT-BC146141  Avena barbata G. DeNevers 1981-5-9 1018 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead. Comment
  UCD56217  Avena barbata B. Crampton 1955-3-15 2326 Sonoma U.S. Hwy. 101. Asti. Comment
  CAS-BOT-BC145718  Avena fatua Walter Knight; Irja Knight 1964-2-16 528 Sonoma Mill Creek Road. Comment
  UC1103326  Avena fatua Joseph P. Tracy 1933-5-1 12131 Sonoma Knight's Valley Northern Coast Ranges Comment
  CAS-BOT-BC68338  Azolla filiculoides Peter Rubtzoff 1963-6-22 5189 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC98602  Baccharis douglasii Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC99595  Baccharis pilularis Marcus E. Jones 1882-7-8 s.n. Sonoma [Duncan's] Duncans Mills Comment
  CAS-BOT-BC99784  Baccharis salicifolia Joseph P. Tracy 1932-5-8 9900 Sonoma Geyserville, along Russian River 152 Comment
  CAS-BOT-BC145831  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Sonoma West of Windsor near Russian River. Comment
  CAS-BOT-BC145834  Beckmannia syzigachne J. W. Congdon 1880-5-31 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC145842  Beckmannia syzigachne Peter Rubtzoff 1955-5-14 1834 Sonoma Ross Marsh. Comment
  JEPS75075  Beckmannia syzigachne Edward Lee 1934-4-30 744 Sonoma 1 mi w. 2 Rock junction Comment
  UCR250037  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton, 0.5 mi north of Guerneville Road 20 Comment
  CAS-BOT-BC300480  Bidens frondosa Peter Rubtzoff 1958-7-20 3785 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road) Comment
  RSA0015634  Bidens frondosa Peter Rubtzoff 1958-9-20 3995 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  RSA0019007  Bidens laevis Peter Rubtzoff 1954-11-18 1764 Sonoma Bodega Head Marsh. Comment
  UC963901 Image available Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma in a hog wallow Sonoma Comment
  NY30993  Blennosperma bakeri M. S. Baker 1946-4-2 11307 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY31038  Blennosperma nanum P. H. Raven 1954-2-27 6421 Sonoma Cavedale Road, ca. 3 miles north of Boyes Springs, Sonoma Valley Comment
  RSA128567  Blennosperma nanum Peter H. Raven 1954-2-27 6421 Sonoma Cavedale Road, ca. 3 miles north of Boyes Springs, Sonoma Valley. Comment
  CAS-BOT-BC105962  Blennosperma nanum var. nanum G. H. Mallory 1920-3-29 s.n. Sonoma Hills at east end of Sonoma Ave., Santa Rosa Comment
  RSA790899  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC154974  Boisduvalia densiflora Peter Rubtzoff 1957-8-17 3519 Sonoma Occidental Marsh Comment
  CAS-BOT-BC154870  Boisduvalia densiflora Peter Rubtzoff 1968-8-31 5948 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville. Comment
  CAS-BOT-BC154952  Boisduvalia densiflora Peter Rubtzoff 1954-8-3 1638 Sonoma Lower Salmon Creek Marsh Comment
  RSA790717  Boisduvalia densiflora Peter Rubtzoff 1960-9-14 4556 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  RSA80693  Boisduvalia densiflora F. W. Peirson 1925-8-8 6338 Sonoma Roadside 6 miles south of Santa Rosa Comment
  CAS-BOT-BC75494  Bolboschoenus maritimus subsp. paludosus Walter Knight; Irja Knight 1984-8-26 5426 Sonoma Willow Creek Road. 60 Comment
  SEINET11750298  Bolboschoenus robustus W. Knight, Knight, I. 1984-1 5426 Sonoma Willow Creek Rd 61 Comment
  UCR256116  Boykinia elata Greg de Nevers 1996-6-10 10830 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC418505  Boykinia occidentalis Greg de Nevers 1996-6-10 10830 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 487 Comment
  UCD102604  Boykinia occidentalis K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC418499  Boykinia occidentalis Milo S. Baker 1927-9-23 2496 a Sonoma Los Alamos Cr. Canon Comment
  RSA331975  Boykinia occidentalis Dave Kelly, W. Wisura 1985-7-26 4058 Sonoma Sugarloaf Ridge State Park E of Santa Rosa. Comment
  CAS-BOT-BC145449  Brachypodium distachyon Mary P. Wells 1984-5-5 329 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  UCD57082  Brachypodium distachyon G. Douglas Barbe 1984-6-13 4172 Sonoma On Willow Creek Road between Bridge Haven (Highway 1) and Coleman Valley Road. West of Occidental. Comment
  CAS-BOT-BC36651  Brassica oleracea Mary P. Wells 1989-4-3 977 Sonoma Santa Rosa. Rincon Valley. Streamside of fence east of Friends House. Comment
  CAS-BOT-BC100473  Brickellia californica Greg de Nevers 1990-7-24 9679 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, in Franz Creek 457 Comment
  RSA126876  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 1 mile S.E. of Forestville 30 Comment
  UC1010999  Briza maxima Virginia Bufford 1935-5-31 70 Sonoma Green Valley School Comment
  UC750805  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 Sonoma w Santa Rosa; Vine Hill Comment
  UC984866  Briza maxima L. Beane and Lois E. James 1949-5-16 1949 Sonoma about 3 mi s Cloverdale Comment
  UCD36534  Briza maxima Beecher Crampton 1954-4-26 1790 Sonoma Sonoma County, 9 miles southeast of Geyserville, along Highway 128, 0.5 mile north of Calistoga Road cutoff, on foothills facing Alexander Valley. Comment
  UCD57168  Briza maxima Roxana S. Ferris; Laura Lorraine 1961-6-14 13530 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  SEINET11689512  Briza maxima F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -265 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET7042398  Briza maxima A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  CAS-BOT-BC145292  Briza minor G. DeNevers 1981-6-20 1639 Sonoma Pepperwood Ranch. Northeast of Peperwood, on the east road to Knights Valley at a pond filling with silt. Comment
  SEINET11689513  Briza minor F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -245 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET3921398  Briza minor A. A. Heller 1902-6-7 5649 Sonoma Bennett Valley, S.E. of Santa Rosa.; 0 Comment
  CAS-BOT-BC123412  Brodiaea californica var. leptandra Amos Arthur Heller 1902-6-23 5742 Sonoma Petrified Forest Comment
  SEINET12049784  Brodiaea elegans F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -186 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 630 Comment
  UCD160815  Brodiaea elegans subsp. elegans James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3354 Sonoma Section 10, One-quarter mile west of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker). 396 Comment
  SD24123  Brodiaea stellaris R. F. Hoover 1938-6-14 3611 Sonoma 3 miles west of Graton, on road to Occidental. Comment
  CAS-BOT-BC486501  Brodiaea stellaris Milo S. Baker 1926-4-1 2086 Sonoma Graton-Occidental Road Comment
  CAS-BOT-BC486463  Brodiaea terrestris subsp. terrestris A. A. Heller 1940-5-10 15602 Sonoma Near the ocean north of Fort Ross. Comment
  CAS-BOT-BC486469  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1936-5-3 1331 Sonoma Bet. Shellville and El Verano Comment
  CAS-BOT-BC486470  Brodiaea terrestris subsp. terrestris Catherine Best 1983-6-10 s.n. Sonoma Salt Point, on bluff above the ocean Comment
  CAS-BOT-BC486476  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1974-5-19 7447 A Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from (west of) Llano Road. Comment
  CAS-BOT-BC487727  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1962-6-13 4907 Sonoma Freestone Marsh Comment
  CAS-BOT-BC487730  Brodiaea terrestris subsp. terrestris John Thomas Howell 1945-5-30 20904 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC144149  Bromus Rimo Bacigalupi 1926-5-2 1391 Sonoma Cazadero. Comment
  UCD58161  Bromus carinatus Lewis S. Rose 1962-4-18 62024 Sonoma 1 mi. NW of Freestone. 76 Comment
  CAS-BOT-BC149095  Bromus carinatus var. carinatus David L. Morgan 1956-4-9 s.n. Sonoma Mountain View Avenue. Comment
  CAS-BOT-BC155955  Bromus commutatus John Thomas Howell 1947-6-26 23305 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC422358  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC155658  Bromus diandrus G. DeNevers 1981-5-5 930 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  UC1102639  Bromus diandrus P. Zinke 1950-4-23 110 Sonoma intersection of Big Sulphur Creek and Russian River (Outside National Forest, Cal. Forest and Range Experiment Station); Outside National Forest, Cal. Forest and Range Experiment St 152 Comment
  SEINET10901199  Bromus hordeaceus A. Arthur Heller 1902-4-17 Heller 5325 Sonoma Santa Rosa. Comment
  CAS-BOT-BC162391  Bromus laevipes G. DeNevers 1981-6-27 1705 Sonoma Pepperwood Ranch. Summit of Franz Valley Road. Comment
  CAS-BOT-BC162394  Bromus laevipes Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 15 miles west of Highway 101. Comment
  UCD36537  Bromus madritensis subsp. madritensis Beecher Crampton 1954-4-26 1794 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  UC903719  Bromus mollis Milo S. Baker 1947-5-7 11741 Sonoma Hood Mountain near Grant Line; Hood Mountain 228 Comment
  UCD59060  Bromus orcuttianus Gerry North 1993-4 3 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  UCD36681  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  SBBG29786  Cakile maritima R. S. Ferris 1937-8-18 9370 Sonoma near mouth of Salmon Crk on Bodega Bay Comment
  CAS-BOT-BC185406  Calamagrostis bolanderi John Thomas Howell 1946-8-17 22877 Sonoma Cunningham Marsh. Comment
  CHSC80116  Calamagrostis bolanderi Colette Beaupre 2000-7-6 Sonoma Near Sea Ranch, on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB and M. 182 Comment
  RSA0056454  Calamagrostis bolanderi Greg de Nevers 1998-6-15 11287 Sonoma CYO Camp on Bohemian Highway. Comment
  CAS-BOT-BC185302  Calamagrostis koelerioides Roxana S. Ferris; Laura Lorraine 1961-6-15 13563 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road. Comment
  CAS-BOT-BC185125  Calamagrostis nutkaensis A. G. Vestal 1937-6-18 s.n. Sonoma Stewart's Point. Comment
  CAS-BOT-BC185133  Calamagrostis nutkaensis Peter Rubtzoff 1952-5-21 1058 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UCD57506  Calamagrostis nutkaensis P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD57517  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 4012 Sonoma 10 miles north of Fort Ross. Comment
  SEINET10521062  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 Beetle 4012 Sonoma 10 miles north of Fort Ross, open coastal hills, grazed. Comment
  UC963876  Calamagrostis ophitidis Milo S. Baker 1947-5-30 11772 Sonoma along Harrison Grade ca 2 mi ne Occidental; Nort Bay Counties Comment
  CAS-BOT-BC438610  Calandrinia ciliata John H. Thomas 1976-6-15 18281 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  SEINET9288286  Calendula arvensis Unknown 2000-3-6 20969 Sonoma Sonoma Comment
  CAS-BOT-BC273247  Calendula arvensis John Thomas Howell 1959-5-7 34593 Sonoma Fetters Springs Comment
  UCD129661  Calendula arvensis Shirley C. Tucker 1965-2-7 s.n. Sonoma ca. 2 miles east of Sonoma. Comment
  UC869395  Callitriche heterophylla Leo Koch 1939-5-15 630 Sonoma e of Petaluma (Hamilton ranch 1 mi, from Old Adobe) Comment
  UCR249054  Callitriche heterophylla var. heterophylla Peter Rubtzoff 1961-5-24 4611 Sonoma Upper Stemple Creek Marsh 21 Comment
  SEINET8465053 Image available Calochortus amabilis G. K Helmkamp, E. A. Helmkamp 2010-6-4 16212 Sonoma North Coast Ranges; Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  UC157875  Calochortus amabilis Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UCR265242  Calochortus amabilis Ann Howald 2015-4-28 3375 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  CAS-BOT-BC483273  Calochortus amabilis James L. Reveal 1988-6-1 6972 Sonoma Along Geysers Road, 9.2 miles east-southeawst of U.S. Highway 101, 1 mile southeast of West Squaw Creek Road and 4.2 miles northwest of the turnoff to Geysers Resort, about 13 miles east of Cloverdale 320 Comment
  CAS-BOT-BC483279  Calochortus amabilis A. A. Heller; H. E. Brown 1902-4-22 s.n. Sonoma Between Santa Rosa and Agua Caliente Comment
  CAS-BOT-BC483288  Calochortus amabilis James McMurphy 1909-5-29 s.n. Sonoma Canyon near Geyserville Comment
  JEPS61686  Calochortus luteus W. L. Jepson 1918-6-23 7659 Sonoma e of Mark West Springs; Mark West Creek Comment
  UC3408  Calochortus luteus Michener and Bioletti 1893-1 Sonoma Los Guilucos Comment
  CAS-BOT-BC492638  Calochortus luteus James L. Reveal 1987-6-7 6412 Sonoma Along Geysers Road, 4.4 miles east-southeast of U.S. Along Cavedlae Road, about 1.5 mile south of Trinity Road, in grassy open areas of heavy soil among Quercus and other chaparral species about 13 airline miles southeast of Santa Rosa 579 Comment
  SEINET6165496 Image available Calochortus luteus Unknown 1981-6-18 s.n. Sonoma W side of Ida Clayton Rd on Mt St Helena. Comment
  JEPS83743  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma n Cazadero (sw-facing serpentine slope); The Cedars, Red Slide Creek (central branch) Comment
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Aug 2 2012
  NY319591  Calochortus raichei R. Raiche 1986-7-7 60214 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  CAS-BOT-BC494039  Calochortus tolmiei Dorothy Scherer 1997-3-24 075 Sonoma Grassy area south of Kolmer Gulch and ca 300' east of Hwy one. Fort Ross State Historic Park 91 Comment
  CAS-BOT-BC132637  Calochortus uniflorus John Thomas Howell 1947-6-5 23232 Sonoma Cunningham Marsh Comment
  UC423009  Calochortus uniflorus Milo S. Baker Apr 1899 Sonoma near Santa Rosa; Sonoma Valley Comment
  RSA369107  Calochortus vestae Christopher Davidson 1977-6-20 6005 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  JEPS86292  Calycadenia multiglandulosa Jack and Betty Guggolz 1989-6-6 1020 Sonoma n side of intersection of Facindini Lane and Occidental Road Comment
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Oct 16 2006
  UCSC000752  Calycadenia multiglandulosa C. M. Hoak 2008-7-31 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC270842  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers 487 Comment
  RSA255606  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers 488 Comment
  UCD129825  Calycadenia pauciflora Gerald D. Carr 1972-3-20 687 Sonoma 1.0 mile west of Westside Road on Mill Creek Road, 2.5 miles southwest of Healdsburg, south-facing serpentine slope. 106 Comment
  CAS-BOT-BC272760  Calycadenia truncata subsp. truncata Milo S. Baker 1933-9-11 7557 Sonoma Between Calistoga, Napa County, and Redwood Highway Comment
  UCR218740  Calycanthus occidentalis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16228 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  UCD137933  Calycanthus occidentalis Collector Unknown Date Unknown s.n. Sonoma north-eastern part of county. Comment
  JEPS29352  Calypso bulbosa Wayne Roderick 1963-3-2 Sonoma 3 mi nw of Occidental (on Willow Creek Road); Willow Creek Road 304 Comment
  RSA168536  Calypso bulbosa M. S. Baker s.n Sonoma Near Cazadero Comment
  JEPS86304  Calystegia collina subsp. collina Jack and Betty Guggolz 1988-5-8 942 Sonoma Pine Flat Road, 9.2 mi in from Highway 128 633 Comment
  JEPS87230  Calystegia collina subsp. collina Jack and Betty Guggolz 1991-4-10 1107 Sonoma about 3 mi n Oakmont (Santa Rosa, gorwing on n side of Los Alamos Road about a half-mi e of a high-power line crossing); n of Oakmont, Santa Rosa 524 Comment
  JEPS83489  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1986-5-11 867 Sonoma On a low bank on the NE side of the road through Pine Flat Comment
  CHSC114333  Calystegia purpurata D. G. Kelch; A. G. Murdock, Ben Carter 2007-5-13 07 .272 Sonoma Cavedale Rd. 518 Comment
  UCR198236  Calystegia purpurata Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .272 Sonoma Cavesdale Road 518 Comment
  CAS-BOT-BC224742  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  RSA710253  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach 15 Comment
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Mar 15 2013
  UCD126179  Calystegia purpurata subsp. saxicola Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 152 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC436453  Calystegia subacaulis John Thomas Howell 1955-6-2 30259 Sonoma Near Vine Hill School Comment
  JEPS128239  Calystegia subacaulis subsp. subacaulis Roger Raiche 2000-5-4 080 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA123583  Camassia leichtlinii subsp. suksdorfii Allison Hastings 1940-4-12 s.n. Sonoma North of Fort Ross, Sonoma Coast Comment
  UCD138332  Camassia quamash subsp. linearis P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UC726605  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma bluff n Bodega Bay Comment
  UCD103523  Camissoniopsis cheiranthifolia subsp. cheiranthifolia David C. Fruchtenicht 1965-5-1 54 Sonoma Marine Biological Station, Horseshoe Cove, Bodega Head. 6 Comment
  JEPS81953  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (near e end of Templeman Road); Pitkin Marsh 45 Comment
  HSC86665  Campanula californica R. W. Becking 1988-8-12 Sonoma Seaside Estate Meadow area W of Hwy. 1 Comment
  JEPS120457  Campanula californica Daniel Slakey 2013-8-11 64 Sonoma Salt Point State Park. Growing along an unmapped road in northern section of the park (north of Kruse Rhododendron Preserve) that is no open to the public. Where this road intersects Highway 1, there is an old Wells Fargo building in ruins. Comment
  SEINET10463935  Campanula californica Robbins 1938-6-23 ROBBINS 269 Sonoma In march on Pitkin Ranch, Vine Hill region, about 10 miles west of Santa Rosa. Wet, boggy soil. Comment
  SEINET10905986  Campanula californica Mason 1946-7-4 Mason 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UC29012  Campanula prenanthoides J. Burtt Davy 1896-7-22 4143 Sonoma Rusian River Comment
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  CAS-BOT-BC37750  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Healdsburg. Comment
  CAS-BOT-BC37756  Cardamine californica Dorothy Scherer 1996-4-14 031 Sonoma Fort Ross Road ca 0.5 mile west of Seaview Road and ca 50 feet north. Fort Ross State Historic Park. 441 Comment
  CAS-BOT-BC37762  Cardamine californica Milo S. Baker 1924-4-27 Local 104 a-24 Sonoma Coopers Grove. Comment
  CDA18771  Cardamine californica Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  UCD114179  Cardamine californica Frederica Bowcutt; Kate Mawdsley 1996-3-24 2089 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Knewood, and 18 air miles NW of Napa. About 1.5 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  RSA790011  Cardamine californica var. californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone Marsh. Comment
  UC1084357  Cardamine californica var. integrifolia G. Thomas Robbins 1937-3-26 16 Sonoma along highway to Sebastopol just w Wright School; w of Wright School Comment
  UCD114539  Cardamine oligosperma Frederica Bowcutt 1994-5-1 1757 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Sonoma Creek, just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed Trail about 30 yards from trail head; along Sonoma Creek. 198 Comment
  UC963900  Cardamine oligosperma Milo S. Baker Apr 1946 11309 Sonoma Brookside Garden near Kenwood; Brookside Garden near Kenwood Comment
  RSA107087  Cardionema ramosissimum L. S. Rose 1956-7-16 56129 Sonoma Bodega Point. 9 Comment
  CAS-BOT-BC384862  Cardionema ramosissimum Mary P. Wells 1985-5-26 493 Sonoma One-eyed Jack's Playground, The Sea Ranch Comment
  SEINET12875772 Image available Cardionema ramosissimum Lewis S. Rose 1956-1 56129 Sonoma Bodega Point sand dunes Comment
  UCD85500  Carduus pycnocephalus Frederica Bowcutt 1984-6-24 464 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Old home site near existing barn along road to Gerstle Cove parking lot. Northwest of Gerstle Cove approx. 1/4 mile. West of Highway 1. 15 Comment
  CAS-BOT-BC173807  Carex Peter Rubtzoff; Nancy Harrison 1978-6-11 9206 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC334522  Carex abrupta Peter Rubtzoff 1957-6-28 3376 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC18144  Carex athrostachya Peter Rubtzoff 1958-7-5 3743 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC320583  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  UCR208536  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC328120  Carex barbarae Peter Rubtzoff 1974-6-2 7512 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC371452  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR249338  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  RSA0022384  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  UC70634  Carex bolanderi Bioletti 1893-6-5 Sonoma South Los Guilucos Valley Comment
  RSA0034194  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC18976  Carex densa John Thomas Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  CAS-BOT-BC474744  Carex densa James A. Neilson, Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers 731 Comment
  UC1133350  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi NE of Petrified Forest 304 Comment
  UCD151306  Carex densa James A. Neilson Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC20474  Carex densa G. DeNevers 1981-3-25 570 Sonoma Pepperwood Ranch. North of 3 Tree Hill. Comment
  CAS-BOT-BC20492  Carex densa Catherine Best 1981-5-2 s.n. Sonoma Willow Creek Road about 6 miles west of Occidental. Comment
  UCR248915  Carex exsiccata Peter Rubtzoff 1960-6-7 4451 Sonoma Austin Creek Marsh 15 Comment
  UCR248968  Carex exsiccata Peter Rubtzoff 1960-5-20 4396 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UC825094  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC28367  Carex gracilior Peter Rubtzoff 1954-7-20 1500 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC28374  Carex gracilior John Thomas Howell 1930-6-8 5241 Sonoma Bodega Road, 3 mi I of Valley Ford. Comment
  CAS-BOT-BC422355  Carex gracilior Peter Rubtzoff 1959-4-18 4029 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 miles north of Guerneville Road crossing. Comment
  CAS-BOT-BC28335  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near Mark West Creek. Comment
  CAS-BOT-BC21900  Carex harfordii Lewis S. Rose 1962-6-1 62065 Sonoma 1 mile NW of Freestone. 76 Comment
  CAS-BOT-BC21906  Carex harfordii Peter Rubtzoff 1954-6-20 1499 Sonoma Guerneville Marsh. Comment
  RSA0023064  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC32524  Carex lemmonii John Thomas Howell; John William Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  SEINET7485357 Image available Carex lemmonii John Thomas Howell 1957-1 s.n. Sonoma Pitkin Marsh Comment
  UCR249077  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh 15 Comment
  CAS-BOT-BC119578  Carex nudata John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54677 Sonoma Bouverie Audubon Preserve, ca 1.5 mi E of Glen Ellen near Stuart Creek. 137 Comment
  UCR248715  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 Comment
  JEPS63537  Carex obnupta W. L. Jepson 1931-7-19 15953 Sonoma Russian River near Markham; Russian River Comment
  SD88337  Carex obnupta Darley F. Howe 1972-5-2 Sonoma Duncan Mills Pond. Comment
  CAS-BOT-BC119313  Carex obnupta James Moffitt 1936-5-9 s.n. Sonoma 1/2 mi E of coast, 4 mi S of mouth of Gualala River. Comment
  RSA758133  Carex ovalis Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  RSA0018585  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC26246  Carex sonomensis John Thomas Howell; J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  UCR248868  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC116932  Carex subbracteata Peter Rubtzoff 1960-5-16 4352 Sonoma Duncan Mills Marsh. Comment
  HSC7082  Carex subbracteata L. S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay swamp 2 Comment
  UC846  Carex subbracteata H. N. Bolander April 1864 3868 Sonoma Russian River Comment
  CAS-BOT-BC116928  Carex subbracteata Peter Rubtzoff 1958-5-1 3626 Sonoma Forestville Marsh. Comment
  UCR249082  Carex tumulicola Peter Rubtzoff 1971-6-25 6561 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  UCR250031  Carex tumulicola Peter Rubtzoff 1957-5-26 3368 Sonoma Duncan Mills Marsh 2 Comment
  UCD140940  Carex tumulicola Gerry North 1993-4 12 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  UCD150813  Carthamus leucocaulos P. F. Knowles 1969-9-23 s.n. Sonoma California, Sonoma County; ca. 1.5 miles west of Asti. 106 Comment
  HSC26187  Carthamus leucocaulos William J. Ferlatte 1972-6-22 1392 Sonoma 1 mile W of Asti Comment
  UCD129937  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of Asti turn-off of the freeway, Hwy 101, Asti. Comment
  SEINET7042572  Castilleja affinis A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  JEPS77867  Castilleja attenuata Robert M. Lloyd 1965-5-8 3630 Sonoma 3 mi n Highway 12 junction with Agua Caliente Road (on Highway 12, across from Lawrence Triangle End Garage) Comment
  SEINET12331446  Castilleja foliolosa F. H. Utech 1986-1 86 -104 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  SD62057  Castilleja franciscana Darley F. Howe 1965-8-3 Sonoma 2.4 miles east of Bodega Bay on Highway #1. Comment
  CAS-BOT-BC243858  Castilleja latifolia John Thomas Howell 1930-7-27 5412 Sonoma 4 miles north of Bodega Bay Comment
  SEINET10582686  Castilleja roseana Rimo Bacigalupi 1956-5-30 Bacigalupi 5667 Sonoma Along and just above creek-bed, headwaters of Big Austin Creek, vicinity of "The Cedars", near Layton chromite mine. 267 Comment
  UC1179004  Castilleja rubicundula subsp. lithospermoides Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1132 Sonoma 2.6 mi n Healdsburg Comment
  JEPS27975  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi, and L. Heckard 1961-6-9 7734 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner road) 249 Comment
  JEPS57381  Castilleja subinclusa subsp. franciscana L. R. Heckard and T. I. Chuang 1968-6-18 1952 Sonoma about 2.5 mi e Occidental (along Graton Road) Comment
  JEPS85724  Castilleja wightii L. R. Heckard 1968-7-23 2070 Sonoma n of Bodege Bay; Schoolhouse Beach Comment
  UC1341743  Castilleja wightii Noel H. Holmgren and James L. Reveal 1966-6-6 2647 Sonoma just n Ocean View Comment
  HSC90796  Castilleja wightii L. R. Heckard 1964-6-12 1383 Sonoma Off Hwy. 1 near the point where road descends into Russian Gulch, about 2 mi. N of Mouth of Russian River Comment
  SBBG6848  Castilleja wightii H. and M. Dearing 1929-5-14 3348 Sonoma rd to coast, Russian River Comment
  CAS-BOT-BC39434  Caulanthus lasiophyllus R. D. Stone 1983-6-14 541 Sonoma Headwaters of Squaw Creek drainage. Ca. 1.2 mile northwest of Geyser Rock. 1005 Comment
  SBBG119964  Ceanothus confusus A. Howald 2007-4-2 2459 Sonoma Goodspeed Trail above Sonoma Crk, ca. 0.3 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 260 Comment
  UC480609  Ceanothus confusus Carl Meyer 1928-3-3 306 Sonoma Santa Rosa Comment
  UC727758  Ceanothus confusus Milo S. Baker 1946-2-14 11266 Sonoma Hope Valley near Chamberlain Ranch, Kenwood Region Comment
  CAS-BOT-BC48512  Ceanothus confusus Milo S. Baker 1927-7-3 2332 a Sonoma Cobb Mt. Comment
  OBI10271  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma From Olive orchard, Rincon Ridge Comment
  UC870505  Ceanothus confusus Milo S. Baker 1940-6-20 9775 Sonoma top of ridge N of County Hospital, near type locality Comment
  POM136668  Ceanothus cuneatus A. A. Heller 1902-3-12 9027 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  JEPS42081  Ceanothus cuneatus var. cuneatus Marie Chase 1928-3-22 Sonoma Kennwood Comment
  UC1299546  Ceanothus cuneatus var. cuneatus Freed W. Hoffman 1947-5-30 520 Sonoma Layton Mine, Auston Creek North Coast Ranges Comment
  UCD112098  Ceanothus cuneatus var. cuneatus Frederica Bowcutt 1996-5-19 2134 Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood, and 18 air miles northwest of Napa. Along the ridgeline and on the Napa/Sonoma County line, about 0.5 air mile east of Bald Mountain. Gray Pine Trail. 731 Comment
  CAS-BOT-BC49698  Ceanothus cuneatus var. ramulosus G. DeNevers 1981-4-1 604 Sonoma E side of road at Mark West Creekand Leslie Creek Comment
  RSA114009  Ceanothus divergens subsp. confusus Milo S. Baker 1939-3-20 9244 Sonoma Top of hill 4 miles N of Santa Rosa on road past County Hospital Comment
  RSA164626  Ceanothus divergens subsp. confusus Percy C. Everett 1963-11-21 11808 Sonoma N Rincon Ridge, NE santa Rosa, Parker Hill Road 183 Comment
  SEINET13945885 Image available Ceanothus foliosus G. Thomas Robbins 1940-1 302 Sonoma along Guernerville road, Vine Hill Region, ca 8.5 mi W of Santa Rosa Comment
  CAS-BOT-BC64422  Ceanothus foliosus subsp. vineatus W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School rd., ca. 1/2 mi. e. of Vine Hill Road. Comment
  UC1280764  Ceanothus foliosus var. foliosus H. E. McMinn 1941-4-26 5319 Sonoma Ricon Ridge Comment
  UC1299553  Ceanothus foliosus var. foliosus Freed W. Hoffman 1947-2-28 763 Sonoma Wils Hog Ridge, headwaters of Palmer Creek, a branch of Mill Creek near Healdsburg. Comment
  UCD112131  Ceanothus foliosus var. vineatus Roman Gankin; W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School Road, 1/2 mile east of Vine Hill Road. Comment
  RSA122537  Ceanothus foliosus var. vineatus A. E. Wieslander 1938-4-14 721 Sonoma 1 mile S of Trenton. 84 Comment
  CAS-BOT-BC49944  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6692 Sonoma Two miles north of Sebastopol Comment
  UC1070747  Ceanothus incanus H. S. Yates 1934-4-21 3782 Sonoma Near Freestone 60 Comment
  UC1362455 Image available Ceanothus incanus Frederick Karl Klein 1969-9-8 Sonoma near Lake-Sonoma County line (along Ida Clayton Road-Western Mine Road); ; near Lake-Sonoma Co. line, Sonoma Co. 762 Comment
  CAS-BOT-BC50954  Ceanothus integerrimus James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  RSA21888  Ceanothus integerrimus var. puberulus Alice Eastwood, John T. Howell 1939-4-2 7377 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  CAS-BOT-BC50601  Ceanothus jepsonii Catherine Best 1981-4-4 s.n. Sonoma Near Occidental on Stoetz Lane Comment
  CAS-BOT-BC51116  Ceanothus jepsonii Walter Knight; Irja Knight 1963-12-27 454 Sonoma Pine Flat Rd. - Circle 8 Ranch Comment
  RSA130886  Ceanothus jepsonii E. K. Balls 1958-7-21 23586 Sonoma Edges of forest, Mixed Evergreen Forest, near Bohemian Grove, on road from Hwy 12 to Camp Meeker. 46 Comment
  UC1070782  Ceanothus jepsonii E. Armstrong 1934-3-26 935 Sonoma 4 mi nw Camp Meeker; Sebastopol quad Comment
  UC1299548  Ceanothus jepsonii Freed W. Hoffman 1947-2-28 765 Sonoma near Guerneville (headwaters of Gilliam Creek); North Coast Ranges, headwaters of Gilliam Creek Comment
  UC1614277  Ceanothus jepsonii Charles M. Belshaw 1936-3-7 1554 Sonoma 1 mi. n.e. Occidental Comment
  CAS-BOT-BC63518  Ceanothus oliganthus var. sorediatus K. Wagnon 1939-5-13 176 Sonoma Growing along w. side of Science Building on Santa Rosa Junior College Campus with stake #561. Plant came from Seaview Comment
  CAS-BOT-BC51873  Ceanothus parryi Rimo Bacigalupi 1926-5-2 1396 Sonoma Along N.W. P. railroad right of way, about 5 mi. South of Cazadero Comment
  CAS-BOT-BC51878  Ceanothus parryi John Thomas Howell 1941-4-5 16172 Sonoma Rincon Ridge Comment
  SD88409  Ceanothus parvifolius D. F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range 395 Comment
  UC1193290  Ceanothus prostratus R. H. Neuns 1950-5-17 112 Sonoma 4 mi airline from the Geysers (Sonoma-Lake County line); Quad. 60B4, 4 mi from the Geysers 990 Comment
  CAS-BOT-BC53042  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western Base of Mt. Hood Comment
  CAS-BOT-BC53047  Ceanothus sonomensis A. A. Heller 1902-6-26 5765 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  UC1071290  Ceanothus sonomensis J. B. Spring, R. W. Lundh 1932-7-19 104 Sonoma 7/8 mi NW of Los Alamos School 579 Comment
  CAS-BOT-BC52417  Ceanothus velutinus var. velutinus Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  UCR42347  Centaurea solstitialis L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  CAS-BOT-BC277252  Centaurea solstitialis Walter Knight; Irja Knight 1963-9-29 230 Sonoma Near railroad bridge ca. 1 mi of Petaluma Comment
  JEPS105487  Centaurea stoebe subsp. micranthos Elaine Mahaffey Sep 2003 Sonoma The Sea Ranch, Highway 1, 100-200 yards N of the Del Mar Community Center, large pull-out on ocean side of highway; extreme NW Sonoma Co. Comment
  OBI35874  Centaurium erythraea David J. Keil 1983-6-29 17201 Sonoma Ca. 10 mi SE of Ft. Ross along hwy 1 Comment
  UC878328  Centaurium trichanthum Milo S. Baker 1940-7-18 9785 Sonoma ca 0.5 mi n Wilfred Station (w side of Hwy 101) Comment
  CAS-BOT-BC288812  Centromadia fitchii Lewis S. Rose 1935-9-11 35623 Sonoma 2 miles N of Healdsburg 39 Comment
  CAS-BOT-BC271550  Centromadia parryi subsp. rudis Walter Knight; Irja Knight 1985-9-23 5181 Sonoma Lower Tubbs Island about 1/4 mile from San Pablo Bay 0 Comment
  CAS-BOT-BC279397  Centromadia pungens subsp. pungens W. Knight; I. Knight 1984-8-26 5422 Sonoma Willow Creek Road 60 Comment
  CAS-BOT-BC384971  Cerastium arvense A. A. Heller; H. E. Brown 1902-4-11 5269 Sonoma Bodega Bay Comment
  POM151914  Cerastium arvense A. A. Heller 1902-4-11 brown Sonoma Bodega Bay. Comment
  CAS-BOT-BC384974  Cerastium arvense Roxana S. Ferris 1940-3-21 9840 Sonoma About 1/2 mi. n. of Fort Ross on State Highway #1 Comment
  SJSU6207  Cerastium arvense subsp. strictum S. H. Casey 1969-5-13 242 Sonoma near seaward margin, coastal bluff between Gualala & Fort Ross, 3 mi N of Stewarts Point Comment
  SD88338  Cerastium glomeratum Darley F. Howe 1972-5-2 Sonoma Duncan Mills Pond Comment
  CAS-BOT-BC388433  Cerastium glomeratum D. E. Breedlove 1980-6-27 44746 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC388439  Cerastium glomeratum Peter H. Raven 1954-2-27 6423 Sonoma Cavedale Road, ca. 3 miles n. of Boyes Springs, Sonoma Valley Comment
  CAS-BOT-BC434183  Cercocarpus betuloides Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5393 Sonoma Pine Mt. Road Comment
  CAS-BOT-BC135415  Cercocarpus betuloides var. betuloides A. A. Heller; H. E. Brown 1902-3-25 5147 Sonoma Near Mark West Springs Comment
  UC1127922  Cercocarpus betuloides var. betuloides E. Armstrong 1934-3-26 910 Sonoma 1 mi nw of Camp Meeker 121 Comment
  CAS-BOT-BC279790  Chamaemelum fuscatum Peter H. Raven 1963-4-12 18161 Sonoma Along U.S. 101 just south of Asti Comment
  UC20109  Chamerion angustifolium subsp. circumvagum Miss Alice Bolton 1896-7-26 Sonoma near Russian River Station Comment
  CAS-BOT-BC166742  Chenopodium Peter Rubtzoff 1968-9-21 5987 Sonoma Petaluma Creek at Stony Point Road, 4 miles northwest of Petaluma. Comment
  UC688917  Chenopodium ambrosioides Sherburne Cooke 1943-8-29 Sonoma where U.S. 101 crosses creek San Antonio Creek (on Marin-Sonoma Co. line) Comment
  RSA94649  Chenopodium ambrosioides var. ambrosioides Peter Rubtzoff 1952-10-26 1337 Sonoma Open area between the Upper and the Lower marshes; Pitkin Marsh, near Forestville. Comment
  RSA201185  Chenopodium berlandieri var. zschackei Peter Rubtzoff 1961-8-22 4678 Sonoma Fife Creek Marsh. Comment
  UC1563651  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma ca 5 mi due s Cloverdale (point below Little Flat parking area, Lake Sonoma, w of bridge); Lake Sonoma 152 Comment
  JEPS30833  Chorizanthe cuspidata var. villosa Rimo Bacigalupi and L. R. Heckard 1962-6-19 8589 Sonoma 1/4 mi se Horseshoe Cove (at northeastern base of low hills forming Bodega Head proper); at northeastern base low hills Bodega Head 12 Comment
  CAS-BOT-BC376251  Chorizanthe membranacea Greg de Nevers 1995-5-2 10717 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. On south slope of rock west of High Hill 487 Comment
  CAS-BOT-BC252848  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1915-6-6 4665 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC252852  Chorizanthe polygonoides var. polygonoides Milo S. Baker No date on label. s.n. Sonoma Mt. St. Helena, 1/2 mi. SE of Inn Comment
  CHSC297  Chrysanthemum segetum 1952-7-15 Sonoma Coastal. 30 Comment
  RSA82848  Chrysolepis chrysophylla J. M. Tucker 1951-6-26 2143 Sonoma Near Top of the World Ranch, ca. 5 miles due east of Glen Ellen. Comment
  UCD110109  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  UCD110111  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  SJSU6040  Cicuta douglasii C. W. Sharsmith 1972-6-24 7802 Sonoma Forestville Marsh c. 0.5 mi E of Forestville NW of Sebastopol, southern Sonoma County 42 Comment
  UCR250391  Cirsium Peter Rubtzoff 1955-9-24 2146 Sonoma Duncan Mills Marsh, upper portion of marsh 9 Comment
  OBI16748  Cirsium douglasii var. douglasii Robert F. Hoover 1966-7-17 9914 Sonoma Sausal Crk N of Alexander Valley Comment
  CDA18867  Cirsium douglasii var. douglasii R. Breckenridge 1999-6-14 PDR 909431 Sonoma North Coast Ranges; Hwy 1, near Salmon Creek Beach, Salmon Creek/ Bodega. 0 Comment
  CAS-BOT-BC280365  Cirsium occidentale var. venustum Peter Rubtzoff 1952-6-3 1144 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UC1195664  Cirsium occidentale var. venustum A. R. Kruckeberg 1947-6-15 1499 Sonoma ca 1/2 mi above Maacamas Creek bridge (on Hwy 28, w end Knights Valley); Knights Valley Comment
  CAS-BOT-BC280531  Cirsium quercetorum John Thomas Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC280534  Cirsium quercetorum Alice Eastwood 1915-6-29 4891 Sonoma Bodega Point Comment
  CAS-BOT-BC280542  Cirsium quercetorum Mrs. H. C. Cantelow 1936-5-3 s.n. Sonoma Near El Verano Comment
  CAS-BOT-BC161045  Clarkia amoena subsp. amoena Alva Day 1982-6-1 82 -66 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC161052  Clarkia amoena subsp. amoena P. A. Munz 1936-8-8 14311 Sonoma Coast 5 mi. north of Jenner Comment
  CAS-BOT-BC161059  Clarkia amoena subsp. amoena C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  SD39468  Clarkia amoena subsp. amoena Edith A. Purer 1932-7-14 Sonoma Between Bodega Bay and Santa Rosa Comment
  UC167080  Clarkia amoena subsp. amoena Marcus E. Jones, A. M. 1881-7-1 Sonoma Duncan's Mills Comment
  CAS-BOT-BC161053  Clarkia amoena subsp. amoena John Thomas Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  RSA0059971  Clarkia amoena subsp. amoena Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  CAS-BOT-BC172345  Clarkia concinna Elsa G. Ruckert 1960-5-28 162 Sonoma Trinity Road, 1 mile from junction with Highway 12 243 Comment
  SBBG60242  Clarkia concinna E. Rockwell -Jun-1926 Sonoma Guerneville, Russian River Comment
Read comments
Mar 19 2010
  UCD104432  Clarkia concinna P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point-Annapolis Road. Comment
  CAS-BOT-BC172217  Clarkia concinna A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  CHSC41510  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6073 Sonoma .2 miles w of guarded entrance to 'The Geysers' geothermal power generating area on Geysers Resort Rd. 445 Comment
  UC765874  Clarkia concinna subsp. concinna R. F. Hoover 1938-6-14 3603 Sonoma Mark West Springs Comment
  UCD158789  Clarkia gracilis James A. Neilson Jr. 1974-6-1 2876 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  UC58863  Clarkia gracilis subsp. sonomensis Milo S. Baker 1898-6-12 670 Sonoma between Cloverdale and Geyserville Comment
  UC725843  Clarkia gracilis subsp. sonomensis A. A. Heller 1941-6-4 16162 Sonoma several mi e Santa Rosa (on the road to Sonoma) Comment
  CAS-BOT-BC163140  Clarkia gracilis subsp. sonomensis G. DeNevers 1981-6-4 1436 Sonoma On the roadcut by the buckeye tree S of the Garrison Gate Comment
  CAS-BOT-BC163146  Clarkia gracilis subsp. sonomensis John Thomas Howell 1929-6-9 4303 Sonoma Near highway, Valley of the Moon one mile from Glen Ellen Comment
  LA206097  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville Comment
  RSA0007460  Clarkia imbricata Milo S. Baker 1928-6-28 3195 Sonoma Pitkin Ranch between house and Pitkin marsh Comment
  UC423081  Clarkia purpurea subsp. quadrivulnera Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC439317  Claytonia exigua subsp. exigua Roxana S. Ferris 1962-4-14 13585 Sonoma Ca. 1/8 mi. beyond County dump Comment
  CAS-BOT-BC439321  Claytonia exigua subsp. exigua D. E. Breedlove 1983-4-11 58683 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC439397  Claytonia gypsophiloides G. DeNevers 1981-4-25 856 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek confluence Comment
  UC1299361  Claytonia gypsophiloides Freed W. Hoffman 1947-3-5 811 Sonoma near Guerneville (Gilliam Creek); North Coast Ranges, Gilliam Creek Comment
  UC1587537  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4252 Sonoma 3.7 mi nw Hwy. 128 (Cloverdale to Boonedale rd.) jct. with Hwy. 101 (near Cloverdale) Comment
  UC625511  Claytonia gypsophiloides Frank W. Gould 1938-4-3 119 b Sonoma 1 mi w Sonoma County line (on the road from Calistoga) 182 Comment
  CAS-BOT-BC439638  Claytonia parviflora subsp. parviflora Carl Meyer 1929-3-29 s.n. Sonoma Unspecified Comment
  HSC17700  Claytonia perfoliata F. Demostene 1966-4-2 11 Sonoma 2 mi. E of Healdsburg Comment
  RSA388344  Claytonia perfoliata Gary Bolton 1975-4-19 3 Sonoma Bay Road, 200m E of P G & E hole, Bodega Head Comment
  JEPS128266  Claytonia perfoliata subsp. mexicana Roger Raiche 2000-4-8 028 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC443682  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1921-4-24 10385 Sonoma Santa Rosa Comment
  UCD100892  Claytonia sibirica Mary M. Hektner 1975-6-3 199 Sonoma coastal terrace, next to trail leading to the beach. Below Pipers' Reach, Unit 24 Owners' Map, near State Highway 1. Comment
  CAS-BOT-BC92745  Clematis ligusticifolia Volney Rattan 1877-6-4 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC499958  Clintonia andrewsiana Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  SEINET12051401  Clintonia andrewsiana F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -225 Sonoma ca 0.15 mi SE from East Ave jct with Bohemian Road on latter enroute to Occidental from Camp Meeker 140 Comment
  RSA94790  Collinsia sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  RSA17714  Collinsia sparsiflora var. arvensis Elmer I. Applegate 1934-3-25 8850 Sonoma Sansal Creek, Pine Flat region, west slope Mayacama Mountains. Comment
  UC26654  Collinsia sparsiflora var. arvensis Mrs. Ward 1891-1 Sonoma Kenwood Comment
  UC76208  Collinsia sparsiflora var. arvensis Milo S. Baker 1898-4-2 Sonoma near Santa Rosa Comment
  POM182699  Collinsia sparsiflora var. arvensis D. D. Keck 1931-4-2 999 Sonoma Boyes Springs 30 Comment
  RSA52649  Collinsia sparsiflora var. arvensis I. L. Wiggins 1949-4-30 12065 Sonoma 4 miles west of Calistoga, just within the county line. Comment
  UC58446  Collinsia sparsiflora var. sparsiflora A. A. Heller 1903-4-23 6601 Sonoma Fort Ross Comment
  JEPS15453  Collinsia tinctoria Eleanor Armstrong May 1932 508 Sonoma Camp Meeker; near rr tressel 121 Comment
  UCD127305  Conium maculatum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-5 122 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA94354  Convolvulus arvensis Peter Rubtzoff 1951-7-21 489 Sonoma Southern half of Lower Marsh. Comment
  UCD125708  Convolvulus arvensis Frederica Bowcutt 1997-7-19 2198 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Franscio, 10 air miles E of Santa Rosa, 0.5 air miles SSE of Red Mountain, 0.1 air mile ENE of confluence of the Malm Fork and Sonora Creek. Along Meadow Trail E. of Gray Pine Trailhead and N. of Sonora Creek. Downstream of culvert under trail, 411 Comment
  JEPS25067  Cordylanthus pilosus subsp. pilosus Joseph P. Tracy 1930-9-1 9172 Sonoma Knights Valley Northern Coast Ranges 182 Comment
  RSA118968  Cordylanthus pilosus subsp. pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, east of Santa Rosa. 91 Comment
  UCR256118  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1990-7-24 9678 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  UC1329012  Cordylanthus pringlei Freed W. Hoffman 1946-8-30 574 Sonoma Red Slide, East Austin Creek Red Slide; North Coast Ranges Comment
  CAS-BOT-BC238227  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, n.e. of Kenwood 731 Comment
  JEPS2540 Image available Cordylanthus tenuis subsp. brunneus W. L. Jepson 1894-7-19 21109 Sonoma Mt. St. Helena Napa River Basin; Mt. St. Helena, Napa River Basin 1127 Comment
  UC1012239  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1904-7-3 26044 Sonoma ne Kenwood (summit); Hoods Peak 701 Comment
  CAS-BOT-BC238230  Cordylanthus tenuis subsp. brunneus Steve Edwards 1984-7-22 s.n. Sonoma N. of Duvoul Cr., N. of Camp Meeker, E. of but not far above, Bohemian Hwy. Comment
  JEPS16345  Cordylanthus tenuis subsp. capillaris H. L. Mason 1946-7-4 12900 Sonoma 2 mi e Occidental; ; E of Occidental, Sonoma Co. Comment
  JEPS74601  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1974-8-21 3825 Sonoma about 1 mi n of Camp Meeker (s of Monte Rio) Comment
  OBI9576  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-1 Sonoma Comment
  OBI9577  Cordylanthus tenuis subsp. capillaris Robert F. Hoover 1965-1 Sonoma Comment
  CAS-BOT-BC238236  Cordylanthus tenuis subsp. capillaris Roxana S. Ferris; Laura Lorraine 1961-6-15 13559 Sonoma 1.3 mi. from junction with Green Valley Road on Harrison Grade Comment
  CAS-BOT-BC212293  Cornus glabrata Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UCD158733  Cornus nuttallii Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. south of Big Sulphur Creek. Elevation estimated by label maker. 792 Comment
  CAS-BOT-BC180190  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-9-15 296 Sonoma Los Alamos Rd., Santa Rosa Comment
  RSA105374  Cotula australis Mrs Huffine 1932-5-8 5898 Sonoma Vine Hill Region Comment
  POM66990  Cotula coronopifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC290300  Cotula coronopifolia Peter Rubtzoff 1951-7-14 451 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC427645  Crassula aquatica Greg de Nevers 1993-5-6 10435 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427653  Crassula aquatica Peter Rubtzoff 1972-5-25 6757 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC427659  Crassula aquatica Peter Rubtzoff 1969-6-14 6074 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  UCD13110  Crassula connata Eileen F. Chun 1974-5-11 78 Sonoma Sonoma CO. Northside of Bodega Head. Sea level. Comment
  RSA90509  Cressa truxillensis Milo S. Baker 1946-1 11710 Sonoma Less than 1 mi. N of junction of Sears Pt. cutoff and Black Point Hwy. Comment
  HSC90783  Croton setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma ca. 5 mi. due S of Cloverdale, point below Little Flat Parking area W of bridge 152 Comment
  CAS-BOT-BC190101  Crypsis schoenoides David L. Morgan 1960-9-10 s.n. Sonoma Old Redwood Highway, 0.5 mile south of Penngrove. Comment
  CAS-BOT-BC190104  Crypsis schoenoides Peter Rubtzoff 1970-8-18 6309 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC190147  Crypsis schoenoides Peter Rubtzoff 1963-9-21 5269 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC190150  Crypsis schoenoides Peter Rubtzoff 1962-9-16 5085 Sonoma Vacation Beach, 2 miles below Guerneville. On Russian River bottom. Comment
  CAS-BOT-BC366890  Crypsis schoenoides Greg de Nevers 1997-9-29 11098 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC368095  Cryptantha Greg de Nevers 1998-5-5 11229 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC376222  Cryptantha Greg de Nevers 1993-3-28 10336 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Shriver Canyon 304 Comment
  UC353795  Cryptantha intermedia Milo S. Baker 1928-6-26 3043 b Sonoma n of Barber Ranch; Hope Valley Comment
  UC280520  Cryptantha muricata Katharine Brandegee Sonoma Mt. St. Helena Comment
  CDA110  Cupressus macnabiana D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .284 Sonoma Cavedale Rd. Comment
  RSA17622  Cupressus macnabiana C. B. Wolf, E. R. Johnson 1934-10-18 6198 Sonoma Head of Hooker Canyon, 4.7 miles east of Sonoma - Kenwood Road. 549 Comment
  CAS-BOT-BC85457  Cupressus sargentii Frederick H. Utech; W. Knight; Irja Knight 1984-4-18 84166 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CDA11140  Cupressus sargentii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11551 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Large forest on W facing slope. Trees to 30 ft. Comment
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Jul 25 2018
  UC1193104  Cupressus sargentii R. H. Neuns 1950-5-5 105 Sonoma 2.5 mi w Mercuryville (Quad 60B4) 914 Comment
  UC570367  Cupressus sargentii Chas. M. Belshaw 1936-3-8 1557 Sonoma 2 mi ne Occidental; North Coast Range Comment
  UCD132955  Cupressus sargentii G. F. Hrusa; T. D. Wilfred 1995-12-3 12483 Sonoma Large grove imeediately NW of summit of Chalk Moutian. Foote Ranch Property at NW base of Mt. St. Helena. 500 Comment
  RSA0051274  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  CDA15297  Cuscuta howelliana G. F. Hrusa, R. Buckmann (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 1 of 3. Comment
  RSA0022351  Cynodon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  CAS-BOT-BC190343  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC190349  Cynodon dactylon Peter Rubtzoff 1958-7-26 3805 Sonoma Laguna de Santa Rosa east of Sebastapool. Comment
  UC1023584  Cynodon dactylon Virginia Bufford 1936-5-21 362 Sonoma Geysers - Cloverdale Rd Comment
  UCD60066  Cynodon dactylon Beecher Crampton 1964-8-18 7140 Sonoma Northeast Sonoma County: 'The Geysers'. Comment
  UCD60093  Cynodon dactylon Mary M. Hektner; Cathy Hendel 1974-7-25 165 Sonoma Near State Highway 1, Sea Ranch. Comment
  UCD60096  Cynodon dactylon var. hirsutissimus W. A. Harvey; Lloyd Harwood 1955-10-6 s. n. Sonoma F. P. Grace Ranch, 3.5 miles southwest of Healdsburg. Comment
  SEINET9355702  Cynoglossum grande John Nelson, Wnek, R. 2000-3-7 20935 Sonoma Open ground of steep slope, N edgeo f Hwy 116 just W of Fern Grove cabins on W side of Guerneville With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  UC480633  Cynoglossum grande Carl Meyer 1928-3-3 315 Sonoma Santa Rosa Comment
  SEINET12329972  Cynoglossum grande F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -192 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UC1102750  Cynosurus echinatus A. R. Kruckeberg 1947-6-14 1502 Sonoma on hiway 28 ca 2 mi w Maacamas Creek bridge (w end of Knights Valley); Knights Valley, w of Maacamas Creek bridge Comment
  UCSC000023  Cynosurus echinatus F. W. Hoffman 1941-6-3 s.n. Sonoma Roadside, near Guerneville Comment
  CAS-BOT-BC114772  Cyperus acuminatus Peter Rubtzoff 1987-10-17 9873 Sonoma Russian River ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC114513  Cyperus eragrostis Peter Rubtzoff 1951-7-14 452 Sonoma Pitkin Marsh, near Forestville. Damp, open area between the Upper and the Lower marshes. Comment
  UC1567  Cyperus eragrostis Alice King Sept., 1896 Sonoma Healdsburg Comment
  UCD161844  Cyperus eragrostis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Location georeference near Wildhorse Cr.) Comment
  CAS-BOT-BC114519  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-1 381 Sonoma Railroad Ave & freeway, Cotati. Comment
  RSA227202  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  CAS-BOT-BC114339  Cyperus esculentus Peter Rubtzoff 1965-9-11 5650 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC114341  Cyperus esculentus Peter Rubtzoff 1987-9-27 9858 Sonoma Russian River at Forest Hills, ca. 6 mi E of Guerneville. Comment
  UC688870  Cyperus niger Freed Hoffman 1943-10-26 Sonoma overflow pool of Russian R. Guerneville Comment
  JEPS117113  Cyperus niger Peter Warner 2010-7-29 176 Sonoma Lower Pitkin Marsh, N of primary drainage channel, ~ 347 m, N 45 deg. E from Hwy. 116 gate, in quaking bog (fen) area Comment
  CAS-BOT-BC114040  Cyperus squarrosus Peter Rubtzoff 1987-10-17 9871 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  JEPS128196  Cypripedium californicum Roger Raiche 1982-5-29 20416 A Sonoma The Cedars, Mineral Springs Canyon. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC136480  Cypripedium montanum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC435188  Cypselea humifusa Peter Rubtzoff 1958-9-20 3991 Sonoma Laguna de Santa Rosa northeast of Graton (1/2 mi. north of Guerneville Rd.). Comment
  UC1063767  Cystopteris fragilis E. Armstrong 1934-3-26 919 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle Comment
Read comments
Nov 14 2007
  POM21457  Cytisus monspessulanus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 73094 Sonoma Near Windsor. Comment
  UCD105674  Cytisus scoparius Kamala Crompton 1996-5-19 17 Sonoma Roadside 7 miles west of Petaluma. 100 Comment
  UCD60280  Dactylis glomerata Alan A. Beetle 1945-8-4 4011 Sonoma 10 miles north of Fort Ross. Comment
  JEPS73354  Damasonium californicum Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 760 Sonoma 1 mi. w. Two Rock junction Comment
  CAS-BOT-BC445556  Damasonium californicum Peter Rubtzoff 1958-7-26 3808 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC192268  Danthonia californica David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mi. W. of junction of Arnold Drive Comment
  CAS-BOT-BC192280  Danthonia californica John Thomas Howell 1935-5-5 12611 Sonoma 6 miles from Santa Rosa, on road to Sonoma Comment
  CAS-BOT-BC210057  Danthonia californica Peter Rubtzoff 1957-5-11 3345 Sonoma Occidental Marsh. Comment
  JEPS121156  Danthonia californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18595 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  JEPS128374  Danthonia californica Roger Raiche 2000-5-4 065 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1026469  Danthonia californica Peter Rubtzoff 1952-5-31 1096 Sonoma Upper Marsh Pitkin Marsh (eastern branch, near Forestville) Comment
  UC717997  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mi s bridge across mouth of Russian River (1/2 mi from ocean) 22 Comment
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  SEINET9367871  Danthonia californica Unknown 1965-5-13 7339 Sonoma Ca. 8.5 mi SE of Geyserville, S end of Alexander Valley, jct of Callistoga (Hwy 128) and Chalk Hill roads. Comment
  UCD60524  Danthonia californica var. americana R. Tofsrud 1948-6-24 s.n. Sonoma Old cemetery at end of McDonald Ave., Santa Rosa. Comment
  UCD60686  Danthonia californica var. americana R. Tofsrud 1941-4-1 27 Sonoma Near Wright School. Comment
  UC76181  Datura stramonium Miss M. Alice King May, 1897 Sonoma near Healdsburg (Dry Creek); Dry Creek Comment
  UCD166101  Datura stramonium Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  RSA0045177  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral. 100 Comment
  SJSU710  Daucus carota A. W. Jacobs 1941-7-25 Sonoma W bank Russian R near Hilton Comment
  UCD127395  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC361341  Daucus pusillus Greg de Nevers 1997-4-24 10971 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM133425  Daucus pusillus A. A. Heller, H. E. Brown 1902-5-27 5610 Sonoma Bodega Bay Comment
  UCD166347  Deinandra corymbosa Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  UC804504  Delphinium bakeri Milo S. Baker May 1939 9489 Sonoma Coleman Valley, Sonoma Co. Comment
  UC963909  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Val., west of Occidental on Hedrin Ranch Sonoma Co. Comment
  CAS-BOT-BC9019  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC10341  Delphinium hesperium Joseph Whipple Congdon 1880-6-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC10349  Delphinium hesperium Roxana Stinchfield Ferris; L. Lorraine 1961-6-14 13540 Sonoma 1 mile on Joy Road from junction with Bodega Highway Comment
  SD56750  Delphinium hesperium Darley F. Howe 1963-7-2 3577 Sonoma 4.2 miles north of junction with #12 on #1 Comment
  UCSB1971  Delphinium hesperium Dearing, Hugh; Dearing, Margaret 1933-5-14 Sonoma Cloverdale Hopland Grade Comment
  JEPS6232  Delphinium hesperium subsp. hesperium F. T. Bioletti 1893-5 Sonoma Hillside South Los Guilicos Comment
  CAS-BOT-BC10092  Delphinium luteum Alice Eastwood 1917-5-13 s.n. Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC8006  Delphinium nudicaule A. A. Heller; H. E. Brown 1902-3-12 5046 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  CAS-BOT-BC9899  Delphinium nudicaule Mary Hallett 1925-3-1 s.n. Sonoma Graton Comment
  CAS-BOT-BC8011  Delphinium nudicaule Margot Lowry 1983-5-1 44 Sonoma One mile from top of Sonoma Mtn. Road, Sonoma Mountain 500 Comment
  CAS-BOT-BC116446  Delphinium patens subsp. patens A. A. Heller; H. E. Brown 1902-3-25 s.n. Sonoma Near Mark West Springs Comment
  CAS-BOT-BC7772  Delphinium variegatum John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells; Gordon H. True 1981-5-14 s.n. Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mtn. 457 Comment
  CAS-BOT-BC7768  Delphinium variegatum A. A. Heller; H. E. Brown 1902-4-16 5310 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC7773  Delphinium variegatum J. P. Moore s.n. Sonoma Knight Valley Comment
  RSA70708  Delphinium variegatum L. S. Rose 1951-5-17 51012 Sonoma Hills E of Agua Caliente. 122 Comment
  SEINET12093545  Delphinium variegatum F. H. Utech 1986-1 86 -107 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  JEPS83463  Delphinium variegatum subsp. variegatum Jack and Betty Guggolz 1985-5-9 829 Sonoma e Spring Lake; Spring Meadows tent. subdiv. Comment
  CAS-BOT-BC585  Dendromecon rigida subsp. rigida Roxana Stinchfield Ferris; Laura Lorraine 1961-6-15 13558 Sonoma Green Valley Rd, 0.8 miles east of junction with Harrison Grade Rd. Comment
  UCR244628  Deschampsia cespitosa Peter Rubtzoff 1976-6-5 8591 Sonoma North Coast Ranges, False Lake Meadow area, Annadel State Park 244 Comment
  CAS-BOT-BC192612  Deschampsia cespitosa subsp. holciformis Herbert L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD63803  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-6-26 Sonoma Bank above Shell Beach, 1/4 mile south of Goat Rock. Comment
  UCD63817  Deschampsia cespitosa subsp. holciformis Mary M. Hektner; Sue Dakuzaku 1974-6-3 13 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC201648  Deschampsia danthonioides John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54681 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC201652  Deschampsia danthonioides K. Wagnon 1939-5-11 189 Sonoma In Bennett Valley Comment
  CAS-BOT-BC210040  Deschampsia danthonioides Peter Rubtzoff 1969-5-24 6061 Sonoma Vernal pool 7.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  CAS-BOT-BC376437  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 400 Comment
  RSA784393  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6084 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC201953  Deschampsia elongata Greg de Nevers 1992-6-26 10182 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Franz Creek 91 Comment
  CAS-BOT-BC201959  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC201971  Deschampsia elongata J. Burtt Davy 1896-7-1 s.n. Sonoma Near Guerneville Comment
  UCD63896  Desmazeria rigida Leo Koch 1940-5-19 964 Sonoma Backyard of Hattie Residence, 349 Second St., Santa Rosa. Comment
  CAS-BOT-BC208931  Dichanthelium acuminatum subsp. acuminatum Peter Rubtzoff 1951-7-22 532 Sonoma Uppermost part of NE western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC221848  Dichanthelium acuminatum subsp. fasciculatum John Roos; Lucille Roos 1956-9-1 6598 Sonoma The Geysers Comment
  SEINET242425 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 f Sonoma NE Sonoma Co, The Geysers, 12 mi east of Cloverdale, ca. 1.2mi E of Geyser Resort area, slope of steam well no. 10 494 Comment
  CAS-BOT-BC502206  Dichelostemma capitatum G. DeNevers 1981-4-25 859 Sonoma Mark West Creek and Leslie Creek confluence, roadside. Pepperwood Ranch Comment
  SEINET10965901  Dichelostemma capitatum A. Arthur Heller, H. E. Brown 1902-3-14 Heller 5065 Sonoma Near Windsor Comment
  SBBG30007  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma 5 mi N of Jenner Comment
  RSA138062  Dichondra donelliana P. C. Everett, E. K. Balls 1959-10-27 23995 Sonoma 7.5 miles SE from Fort Ross along Hwy 1. 229 Comment
  SEINET4207210  Dichondra occidentalis A. A. Beetle 1940-4-7 2598 Sonoma Five miles north of Jenner.; 0 Comment
  CAS-BOT-BC183608  Digitaria Peter Rubtzoff 1965-9-5 5637 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC209113  Digitaria sanguinalis Mary P. Wells 1985-8-19 599 Sonoma Ducker Creek Dike, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC152043  Diplacus aurantiacus Peter Rubtzoff 1952-6-11 1247 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC151918  Diplacus douglasii Milo S. Baker 1927-4-11 2061 a Sonoma Hillside on Macartney - N.W. of our house at Maple Glen Comment
  CAS-BOT-BC151376  Diplacus tricolor L. R. Abrams 1918-4-27 6901 Sonoma Santa Rosa Comment
  UC998321  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma two mi w Bodega town (on a road which turns right within the town) Comment
  RSA0022416  Distichlis Peter Rubtzoff 1970-7-17 6285 Sonoma 5 miles north of Sears Point. Comment
  UCD64557  Distichlis spicata Beecher Crampton 1957-7-11 4315 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  CAS-BOT-BC196923  Distichlis spicata David L. Morgan 1956-5-17 s.n. Sonoma 3 mi. E. of Petaluma on Lakeville Rd. Comment
  UCD64361  Distichlis spicata Collector Unknown 1941-9-1 153 Sonoma Near mouth of Walker Cr. by Tomales Bay. Comment
  UCSB45485  Dodecatheon clevelandii Fairbank, K. 1979-3-29 Sonoma 1/2 mile from the intersection of Vine Hill Road and Laguna Road, on Vine Hill Road 45 Comment
  SEINET12010312  Dodecatheon hendersonii F. H. Utech, Kawano, S.; Ohara, M. 1995-3-26 95 -52 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UC483301  Dodecatheon hendersonii Ira L. Wiggins 1932-3-12 5759 Sonoma between Knight's Valley and Franz Valley; between Knight's Valley and Franz Valley Comment
  UC73554  Dodecatheon hendersonii Milo S. Baker 1898-4 734 Sonoma ne Santa Rosa; ne of Santa Rosa Comment
  HSC17854  Dodecatheon hendersonii R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1327 Sonoma 1 mi. NW of Big Geysers Comment
  RSA247149  Dodecatheon hendersonii Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1006 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  SEINET12330778  Downingia concolor W. Kinght, Knight, I. 1986-1 5446 Sonoma East side of McDowell Boulevard, Petaluma, between Sunrise Drive and Corona Road Comment
  UC416606  Downingia concolor var. concolor Katharine Brandegee Sonoma Santa Rosa Comment
  RSA0002274  Downingia cuspidata F. T. Bioletti 1893-6-10 s.n. Sonoma Los Giulucos. Comment
  JEPS29137  Downingia pusilla John H. Weiler 1960-4-9 6035 Sonoma 4.4 mi n Sears Point (along State Highway 37) Comment
  UC1188754  Downingia pusilla John Weiler 1960-4-9 6035 Sonoma 4.4 mi n Sears Point (along State Highway 37) Comment
  LA208035  Drymocallis glandulosa J. A. Ewan; 1935-5-12 9235 Sonoma Mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC159445  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1952-6-10 1222 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UC567049  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3755 Sonoma near Bodega; Sebastopol Quadrangle Comment
  CAS-BOT-BC71024  Dryopteris arguta G. DeNevers 1981-5-9 1088 Sonoma E arm Creek Comment
  CAS-BOT-BC71075  Dryopteris expansa J. Burtt Davy 1896-3-13 s.n. Sonoma near Duncan's Mill Comment
  CAS-BOT-BC428381  Dudleya farinosa Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC428384  Dudleya farinosa L. R. Abrams 1920-7-3 7634 Sonoma Near Stewarts Point Comment
  UC1015407  Dudleya farinosa Jack Whitehead 81 Sonoma Bodega Park Comment
  UC571159  Dudleya farinosa H. L. Mason 1928-7-10 4882 Sonoma Jenner Comment
  UCD98787  Dysphania chilensis Peter Rubtzoff 1953-11-1 1440 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC210126  Echinochloa Peter Rubtzoff 1971-8-9 s.n. Sonoma Laguna Lake area, Chileno Valley. Comment
  UCD148392  Echinochloa crus-galli Peter Rubtzoff 1956-9-15 2901 Sonoma Atascadero Creek Marsh. Comment
  UCD60890  Echinochloa crus-galli Harold Weinland 1923-10-13 Sonoma Near Bodega. Comment
  UC1011034  Echinochloa crus-pavonis Virginia Bufford 1935-10-13 84 Sonoma Bellevue Rd at Redwood Highway Comment
  UC1535349  Ehrharta calycina Valerie Gizinski 1987-6-2 Sonoma Bodega Dune State Park Comment
  UCD61187  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay, Bay Flat Road, near Clark Marsh. Comment
  CAS-BOT-BC112664  Eleocharis parvula Peter Rubtzoff 1962-8-3 5026 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC112203  Eleocharis radicans Peter Rubtzoff 1956-9-21 2933 Sonoma Vacation Beach, near Guerneville. Sancy beach of Russian River. Comment
  UC1026475  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma near Forestville (southern half of Lower Marsh); Pitkin Marsh Comment
  UCD18405  Elymus condensatus William A. Harrey 1982-7-7 s.n. Sonoma 0.5 mi west of state Hwy 1, along Bean Ave. bordering Salmon Creek. Comment
  CDA36958  Elymus glaucus CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD158822  Elymus glaucus James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2895 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  UCD61908  Elymus glaucus R. Tofsrud 1947-8-1 256 Sonoma Cloverdale. Comment
  UCR255679  Elymus glaucus Greg de Nevers 1989-1 9065 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  CAS-BOT-BC203713  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1174 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC203719  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1034 Sonoma Pepperwood Ranch. Just above the old Strebel Homestead Comment
  UC1146609  Elymus glaucus subsp. jepsonii Freed W. Hoffman 1942-6-30 2118 Sonoma Lone Mountain Farm North Coast Ranges (near Guerneville) Comment
  UC1146676  Elymus glaucus subsp. virescens Freed W. Hoffman 1941-6-22 2089 Sonoma Wright's Beach North Coast Ranges (cliffs) Comment
  UCD38725  Elymus glaucus subsp. virescens Beecher Crampton 1957-7-11 4311 Sonoma 1.4 miles southeast of Bodega Bay. Comment
  CAS-BOT-BC235233  Elymus multisetus Roxana S. Ferris; Laura Lorraine 1961-6-15 13571 Sonoma About 1/8 mile beyond County Dump Comment
  CDA15872  Elytrigia repens P. Lane 2000-2-17 PDR 022483 Sonoma North Coast Biodiversity Arena; Invading into newly planted sod from irrigated pasture on Laguna Rd. nr. Forestville. 0 Comment
  JEPS87224  Emmenanthe penduliflora Jack and Betty Guggolz 1992-5-17 1299 Sonoma On the up side of the Anderson Trail (The west side of the Black Mountain east of Geyserville). 585 Comment
  UCD167526  Emmenanthe penduliflora James Neilson 1979-6-26 3977 Sonoma Mayacmas Mountains, along Cadd Fire trail about 2 miles NW Contact Mine. (Notebook says on ridge between Big and Little Sulphur Creeks ca. 2 mi NW of Socrates Mine. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR244511  Epilobium campestre Peter Rubtzoff 1962-7-6 4976 Sonoma Coast Range, Laguna de Santa Rosa near Trenton Road [south of Woolsey Road] 21 Comment
  CAS-BOT-BC166622  Epilobium canum subsp. canum Milo S. Baker 1939-9-1 9477 Sonoma Along Hiwy. between Petrified Forest and Rincon Valley. East slope, ca. 2 mi. south of Petrified Forest Comment
  UCD105464  Epilobium canum subsp. latifolium Frederica Bowcutt 1995-11-7 2061 a Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SE of Red Mountain. In Sonoma Creek watershed along Vista Trail. Comment
  CAS-BOT-BC290550  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC262987  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1524 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA94292  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-8-4 585 Sonoma Pitkin Marsh, near Forestville. A marshy opening south of the Upper Marsh Comment
  RSA37533  Epilobium ciliatum subsp. watsonii Milo S. Baker 1939-5-19 9332 Sonoma Twin Pine Ranch Comment
  RSA800038  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5867 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC262799  Epilobium hallianum Peter Rubtzoff 1962-6-1 4855 Sonoma Freestone Marsh. Comment
  RSA800407  Epilobium hallianum Peter Rubtzoff 1959-5-30 4058 Sonoma Freestone Marsh. Comment
  UCD165166  Epilobium torreyi Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC1585376  Epipactis gigantea R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 3 Sonoma On Skaggs Springs-Stewarts Point Rd. 6.9 km w Soda Springs (e of Stewarts Point, along river); Gualala River Comment
  CAS-BOT-BC173542  Equisetum Peter Rubtzoff 1973-8-21 7253 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA790976  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD165778  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  RSA784473  Equisetum Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  UCD135324  Equisetum Donna Allen 1977-5-24 s.n. Sonoma Dry cr. rd. side 15 miles from the coast. Comment
  CAS-BOT-BC57129  Equisetum X ferrissii Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC57037  Equisetum arvense Peter Rubtzoff 1954-6-6 1467 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC57207  Equisetum hyemale subsp. affine Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  RSA0045168  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 91 Comment
  CAS-BOT-BC164652  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC57814  Equisetum laevigatum Dorothy Scherer 1996-4-8 022 Sonoma Kolmer Gulch, w. of Hwy 1, ca. 100' from ocean, Fort Ross State Historic Park. 0 Comment
  UC1084510  Equisetum laevigatum G. Thomas Robbins 1937-6-18 249 Sonoma along R.R. right-of-way Santa Rosa Comment
  SEINET6031838  Equisetum telmateia P. L. Henderson 1977-4-30 77 -7 Sonoma Bodega Bay Comment
  UC810265  Equisetum telmateia subsp. braunii Koch 1940-4-16 9543 Sonoma Hwy between Salmon Creek and Wright's Beach (Hwy. 1) Comment
  CAS-BOT-BC311809  Eragrostis Peter Rubtzoff 1965-8-16 5603 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UCD63537  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma Near Guerneville. Comment
  CAS-BOT-BC284190  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1970-9-2 6356 Sonoma Russian River at Mirabel Park Comment
  RSA785924  Erechtites glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC291171  Erechtites glomeratus Mary P. Wells 1985-5-26 495 Sonoma One-Eyed Jack's Playground. A meadow area at The Sea Ranch Comment
  CAS-BOT-BC164648  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  JEPS19211  Ericameria arborescens Edw. L. Greene 1888-8-31 Sonoma Petrified Forest Comment
  CAS-BOT-BC293631  Erigeron biolettii John Thomas Howell 1932-10-9 10811 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  HSC2227  Erigeron canadensis Roxana S. Ferris 1937-8-18 9369 Sonoma Dunes near mouth of Salmon Creek on Bodega Bay Comment
  CHSC319  Erigeron glaucus A. Small 1954-6-4 Sonoma Doran Park. 15 Comment
  POM55490  Erigeron glaucus A. A. Heller, H. E. Brown 1902-5-27 5609 Sonoma Bodega Bay Comment
  UC31486  Erigeron glaucus Harley P. Chandler 1900-5-25 690 Sonoma Bodega Bay Comment
  UC1192210  Erigeron greenei Verne Grant, Herbert L. Mason 1946-7-5 12898 Sonoma 2 mi east of Occidental Comment
  UC2031714  Erigeron greenei Sherry Adams 2011-7-15 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 1400' E of confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch Comment
  SEINET8667577 Image available Erigeron inornatus var. viscidulus H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  UC2043165  Erigeron serpentinus Barbara Ertter with R. Raiche, J. R. Shevock, R. Bittman, H. Forbes, M. Skinner et al.. 1994-6-23 12851 Sonoma The Cedars serpentine area at head of Big Austin Creek north of Cazadero, ca. 20 air km due W of Healdsburg. Comment
  JEPS117100  Erigeron serpentinus Peter Warner 2010-7-7 169 Sonoma Jenner Headlands, upper Jenner Pasture, ~ 400 m, E 116 deg. S of residence house, under power lines upslope fr. Jenner Gulch Comment
  UCD160838  Eriogonum dasyanthemum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3483 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC250015  Eriogonum fasciculatum var. foliolosum Dorothy Scherer 1996-9-5 066 Sonoma North side of Fort Ross Rd. at intersection with Hwy 1. Fort Ross State Historic Park 51 Comment
  JEPS56788  Eriogonum latifolium W. L. Jepson 1931-7-19 15939 Sonoma sea-cliffs n of outlet (mouth) Salmon Creek Comment
  UC77576  Eriogonum latifolium Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  CAS-BOT-BC259268  Eriogonum latifolium C. L. Hitchcock; J. S. Martin 1939-7-15 5444 Sonoma Cliffs below Bodega State Park Comment
  CAS-BOT-BC259467  Eriogonum luteolum Walter Knight; Irja Knight; Tiffany Knight; Dr. Steve Edwards 1985-7-21 5395 Sonoma Red Hill off Pine Flat Road 640 Comment
  CAS-BOT-BC259475  Eriogonum luteolum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  CAS-BOT-BC259483  Eriogonum luteolum John Thomas Howell 1929-6-30 4320 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  CDA30996  Eriogonum luteolum D. G. Kelch, Troy McGregor 2010-8-22 10 .356 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  POM188345  Eriogonum luteolum Marcus E. Jones 1931-7-5 28828 Sonoma The Geysers. Comment
  CAS-BOT-BC259482  Eriogonum luteolum Helen D. Geis 1902-8-1 s.n. Sonoma Russian River, near Cloverdale Comment
  CHSC24962  Eriogonum luteolum var. luteolum T. P. Spira 1976-7-23 Sonoma On s facing slope, 2 mi w of Camp Meeker and ca. 1/4 mi nw of Bohemian Hwy. 91 Comment
  UC1093645  Eriogonum luteolum var. luteolum Herbert L. Mason 1946-7-4 12899 Sonoma 2 mi e Occidental Comment
  RSA181898  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine, Austin Creek. Comment
Read comments
Oct 12 2013
  CAS-BOT-BC261680  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC261686  Eriogonum nudum var. nudum Walter Knight; Irja Knight 1963-9-1 132 Sonoma Sulphur Creek Rd, 1 mi from US 101, Cloverdale Comment
  UCD100592  Eriogonum nudum var. nudum Frederica Bowcutt 1994-6-25 1907 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. About 1/4 N of Vista Trailhead along Gray Pine Trail, large road cut adjacent to Gray Pine Trail immediately E of Sonoma Creek. 414 Comment
  SEINET11933965  Eriogonum ternatum Unknown 1984-1 40235 Sonoma The Cedars,N of Cazadero, headwaters of East Austin Creek, area called Red Slide 549 Comment
  UCSB22550  Eriophyllum lanatum Jensen, Karen 1965-4-15 Sonoma Along Highway 1, about 1 km. south of Bodega 13 Comment
  CAS-BOT-BC301149  Eriophyllum lanatum var. achilleoides A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC301155  Eriophyllum lanatum var. achilleoides Alice Eastwood 1915-6-5 4561 Sonoma Petrified Forest Comment
  UC494084  Eriophyllum lanatum var. achilleoides H. E. and S. T. Parks 1930-5-10 0 -837 Sonoma Knights Valley Comment
  SEINET11842964  Eriophyllum lanatum var. achilleoides F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -227 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC301295  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  SEINET11842885  Eriophyllum lanatum var. arachnoideum W. Knight, Knight, I.; Edwards, S. 1986-1 5349 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  RSA695687  Eriophyllum staechadifolium J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  UCD38478  Eriophyllum staechadifolium Beecher Crampton 1955-6-17 2972 Sonoma State Hwy. 1, 4 miles south of Fort Ross. Bluffs above the sea. Comment
  UC66139  Erodium botrys A. A. Heller 1902-4-9 5239 Sonoma Healdsburg Comment
  UC66138  Erodium moschatum A. A. Heller 1902-3-26 5159 Sonoma Santa Rosa Comment
  CDA34797  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  CDA40913  Eryngium aristulatum G. F. Hrusa, Allen Buckman 1997-7-21 14010 Sonoma North Coast Biodiversity Arena; approx. 200 m. W of Hwy 128 in drainage of Blossom Creek, 2 km. NW of Tubbs Lane int. Sheet 2 of 2 Comment
  SEINET13944099 Image available Eryngium aristulatum Joseph Andorfer Ewan 1935-1 9256 Sonoma Along railroad tracks all pls. now dormant, W right School on Sebastopol road Comment
  UC1307395  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1955-4-23 1773 Sonoma Bennett Mt. Lake Comment
  UC1487265  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 501 Sonoma on Bennett Valley Rd. 4.5 mi. w. Glen Ellen Comment
  CDA38334  Eryngium aristulatum var. aristulatum Bremner 1929-9-2 s.n. Sonoma [no additional data] 0 Comment
  POM161245  Eryngium armatum Rimo Bacigalupi 1928-6-19 1884 Sonoma Mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  UC1122970  Eryngium armatum H. S. Yates 1937-8-22 6867 Sonoma 2 mi. s.e. Forestville; Sebastopol Quad. Comment
  UC1931039  Eryngium constancei G. F. Hrusa 1996-10-5 13582 B Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
Read comments
Jan 8 2013
  CAS-BOT-BC153623  Erythranthe inodora Peter Rubtzoff 1955-7-9 1945 Sonoma Forestville Marsh Comment
  UCD151111  Erythronium californicum James A. Neilson Jr. 1974-6-1 2938 Sonoma Mayacmas Mountains, Mercuryville, The Geysers Road. (Elevation estimated by label maker using Google Earth.) 822 Comment
  RSA785713  Erythronium californicum Carrie A. Herd 1982-3-28 62 Sonoma Scagg Springs Road, near bridge no. 1 Comment
  SD255810  Eschscholzia californica Ann Howald 2015-4-1 3336 Sonoma North Coast Ranges: Stewarts Point-Skaggs Road, 18.3 miles west of intersection with Rockpile Rd, Wolf Creek drainage (Tombs Creek 7.5'Q) 131 Comment
  UCR265104  Eschscholzia californica Ann Howald 2015-4-1 3336 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 18.3 miles west of intersection with Rockpile Rd, Wolf Creek drainage 131 Comment
  CAS-BOT-BC202766  Euonymus occidentalis H. E. McMinn 1922-6-7 190 Sonoma Above Monte Rio Comment
  CAS-BOT-BC202773  Euonymus occidentalis H. L. Mason 1925-11-26 2497 Sonoma Near Monte Rio Comment
  RSA135387  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  SD58246  Euonymus occidentalis Harry K. Roberts 1959-5-18 Sonoma On Louis Giovanni ranch in the first canyon south of ranch house, Green Valley, northwest of Sebastopol. Comment
  JEPS9602  Euonymus occidentalis var. occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 249 Sonoma between Guerneville and Monte Rio (Russian R.); Russian R. Comment
  UCR275240  Euphorbia Peter Rubtzoff 1971-7-23 6610 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  RSA0018572  Euphorbia Peter Rubtzoff 1987-10-17 9878 Sonoma Along Hwy 116 ca. 0.3 mi southeast of Forestville. Comment
  CDA43444  Euphorbia exigua Peter Warner 2015-5-29 PDR# MVAP 06369508 Sonoma Sonoma Coast State Beach, Willow Creek portion. On the ridge between Willow and Freezeout Creeks. Comment
  CDA14276  Euphorbia oblongata P. Lane 1998-6-18 s.n. Sonoma North Coast; Sea Ranch, 42000 Hwy 1 near Jenner. Comment
  CDA34801  Euphorbia oblongata Peter Warner 2010-5-6 142 Sonoma Annadel State Park, North Burma Trail, ~ 500 m W of junction with Richardson Trail; along trail and downslope. Comment
  CAS-BOT-BC368064  Euphorbia spathulata Greg de Nevers 1998-5-26 11262 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UC126706  Eurybia radulina Geo. R. Hall 1906-10-14 Sonoma Guerneville Comment
  CAS-BOT-BC312187  Eurybia radulina Walter Knight; Irja Knight 1963-9-1 385 Sonoma Harold Smith Ranch, Pine Int. Rd. NE of Cloverdale 548 Comment
  CAS-BOT-BC368004  Euthamia occidentalis Greg de Nevers 1989-8-28 9096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  CAS-BOT-BC459232  Euthamia occidentalis Walter Knight; Keith Wagnon 1987-8-28 6106 Sonoma Along Willow Brook north of Petaluma Comment
  UCR253367  Festuca arundinacea Peter Rubtzoff 1974-5-25 7455 Sonoma Upper Green Valley Marsh 76 Comment
  UCD161372  Festuca californica James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC283183  Festuca californica subsp. californica G. DeNevers 1981-6-15 1543 Sonoma Along the stream down from the Rogers Apple Orchard, Pepperwood Ranch Comment
  CAS-BOT-BC283189  Festuca californica subsp. californica G. DeNevers 1981-5-5 929 Sonoma W arm of Garrison Canyon, Pepperwood Ranch Comment
  RSA123477  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma 2 miles north of County Farm. 244 Comment
  UCD66127  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart's Point - Annapolis Comment
  UCR256283  Filago gallica Peter Rubtzoff 1973-7-24 7197 Sonoma Upper Green Valley Marsh Comment
  SEINET208607  Filago gallica J. T. Howell 1965-3-25 41033 Sonoma 3 mi SE of Sonoma 76 Comment
  CAS-BOT-BC53267  Frangula californica subsp. californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC53274  Frangula californica subsp. californica R B Usinger 1929-8-6 s.n. Sonoma Two miles N. of Guernewood Park, Russian River region Comment
  UCD112779  Frangula californica subsp. tomentella G. F. Hrusa; T. D. Wilfred 1995-12-3 12485 Sonoma W-facing slope of main ridge running SW from Chalk Mountain. Foote Ranch property, NW base of Mt. St. Helena. 450 Comment
  CAS-BOT-BC223379  Fraxinus dipetala John H. Thomas 1976-6-18 18364 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC218578  Fraxinus latifolia J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield Comment
  CAS-BOT-BC218583  Fraxinus latifolia H. E. McMinn 1922-6-1 s.n. Sonoma Petrified Forest Comment
  JEPS44085  Fraxinus latifolia W. L. Jepson 1903-10-4 2364 Sonoma near Guerneville; Bohemian Club Grove Comment
  UC22602  Fraxinus latifolia H. N. Bolander Jun 1866 Sonoma Cloverdale Comment
  UCD122078  Fraxinus latifolia Lewis S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek. NE of Santa Rosa. 121 Comment
  SEINET11993687  Fremontodendron californicum subsp. napense Unknown 1984-1 RR 40133 Sonoma N of Guerneville Morrison Ridge above Gilliam Creek, Austin Creek Recreational Area 183 Comment
  CAS-BOT-BC130177  Fritillaria affinis John Thomas Howell 1924-3-22 289 Sonoma Camp Meeker Comment
  UC615378  Fritillaria affinis Beryl O. Schreiber 1932-4-3 211 Sonoma e side of Mount St. Helena Mount St. Helena Comment
  JEPS62311  Fritillaria recurva Milo S. Baker 1942-3-27 Sonoma Kenwood Comment
  UCR42317  Fritillaria recurva var. coccinea L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SD88433  Galium aparine Darley F. Howe 1972-4-30 Sonoma South of Bodega Bay Comment
  UCD121623  Galium aparine Erik Beever 1993-5-8 222 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  LA208415  Galium californicum John Thomas Howell; 1930-6-8 5246 Sonoma 1 mi east of Bodega Bay Comment
  UCD160295  Galium californicum James A. Neilson Jr. 1974-5-24 2879 Sonoma Mayacmas Mountains, Geyser Rock, northeast Sonoma County. (Elevation and georeferencing estimated by label maker.) 1127 Comment
  HSC19809  Galium californicum subsp. californicum Lauramay T. Dempster, G. L. Stebbins 1963-8-12 3907 Sonoma Hwy. 1, 4.1 mi. S of Stewart's Point Comment
  JEPS9662  Galium divaricatum Michener and Bioletti 1892-7-1 Sonoma Hoods Peak Comment
  UC796575  Galium divaricatum Roxana S. Ferris and Laura Lorraine 1948-6-9 11661 Sonoma hillside 11 mi from Geyserville (on road to Kellogg) Comment
  UCD121758  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma Behind Fountaingrove Vineyard three miles north of Santa Rosa along Highway 101. Comment
  UCD161310  Galium divaricatum James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3701 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  RSA47803  Galium divaricatum Roxana S. Ferris, Laura Lorraine 1948-6-9 11661 Sonoma 1 miles from Geyserville on road to Kellogg. Comment
  UCD121756  Galium divaricatum F. Bowcutt 1994-5-21 1812 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 411 Comment
  UCR255647  Galium murale Greg de Nevers 1993-3-30 10338 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  SEINET7067274  Galium parisiense A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  UC1520113  Galium parisiense J. C. Roos 1950-7-22 4875 Sonoma sand bar along stream bed 2 mi e Duncan Mills 60 Comment
  SEINET12515257  Galium parisiense var. leiocarpum Micheuer, Bioletti 1892-7-1 s.n. Sonoma Hoods Creek. Comment
  POM118792  Galium porrigens Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  JEPS6613  Galium porrigens var. porrigens Willis L. Jepson 1894-7-19 Sonoma Mt. St. Helena Napa River Basin Comment
  RSA94357  Galium trifidum Peter Rubtzoff 1951-6-30 315 Sonoma Western branch of the Upper Marsh. Comment
  UCR255027  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS20521  Gamochaeta ustulata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 231 Sonoma Guerneville Russian River, Guerneville Comment
  UCR279603  Gamochaeta ustulata Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  CAS-BOT-BC303501  Gamochaeta ustulata Peter Rubtzoff 1951-7-14 453 Sonoma Pitkin Marsh, near Forestville. Between the upper and the lower marshes Comment
  CAS-BOT-BC303504  Gamochaeta ustulata 1877-1-1 s.n. Sonoma Guerneville Comment
  RSA94010  Gamochaeta ustulata Peter Rubtzoff 1951-7-8 398 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  UC55251  Garrya congdonii Milo S. Baker 1903-10-3 1 Sonoma Hood Mt. Comment
  CAS-BOT-BC199066  Garrya elliptica C. B. Wolf; E. R. Johnson 1934-10-13 6180 Sonoma 9 mi. N of Ft. Ross on Coast Rd. to Stewarts Pt. 45 Comment
  JEPS128192  Garrya elliptica Roger Raiche 1999-12-25 055 .99 Sonoma The Cedars. Laton Camp. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC278690  Gastridium phleoides Peter Rubtzoff 1959-9-19 4280 Sonoma Vacation Beach, near Guerneville Comment
  UCD66718  Gastridium phleoides Freed W. Hoffman 1941-6-3 2076 Sonoma Near Guerneville. Comment
  JEPS102270  Gaudinia fragilis Jane Valerius and Dianne Lake 2002-6-25 s.n. Sonoma Cloverdale; scraped area NW of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101. Comment
  CDA21217  Gaudinia fragilis J. Valerius, D. Lake 2002-6-25 s.n. Sonoma Cloverdale; scraped area NW of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101. 0 Comment
  SEINET11995840  Gaultheria shallon F. H. Utech 1988-1 88 -219 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  UCD105744  Genista monspessulana G. H. Vansell 1933-7-24 s.n. Sonoma Russian River. Comment
  UC665621  Gentiana affinis var. ovata Annetta Carter and Ethel Crum 1941-6-22 1638 Sonoma on steep ne-facing slope 3.3 mi e Bodega Bay; North Coast Ranges Comment
  JEPS61474  Geranium carolinianum Milo S. Baker 1898-5-7 635 Sonoma Glen Ellen Comment
  SFV8504  Geranium dissectum P. Kuehn 1967-5-27 35 Sonoma Ignacio Road. 61 Comment
  CDA34794  Geranium molle Peter Warner 2010-3-29 121 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  SEINET12183382  Geranium molle F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -092 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  UCD158810  Gilia capitata James A. Neilson Jr. 1974-4-16 2872 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  SEINET5501090  Gilia capitata Sally Walker 1981-5-25 Sonoma 4 miles W of Occidental Sonoma Co. Comment
  CAS-BOT-BC361367  Gilia capitata subsp. capitata Greg de Nevers 1997-4-12 10929 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  POM179724  Gilia capitata subsp. chamissonis J. T. Howell 1930-6-8 5272 Sonoma North end of Bodega Bay. Comment
  CAS-BOT-BC226168  Gilia capitata subsp. tomentosa Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 3.2 miles north of Jenner on State highway 1 Comment
  LA206687  Gilia millefoliata Alice Eastwood; June 1915 sn Sonoma Bodega Point Comment
  UC1299519  Gilia tricolor subsp. tricolor Freed W. Hoffman 1947-4-3 879 Sonoma near Guerneville (headwaters of Fife Creek on road to Austin Ranch); North Coast Ranges, Fife Creek, near Guerneville Comment
  UC30185  Gilia tricolor subsp. tricolor H. N. Bolander 1864-1 3807 Sonoma Valley of Santa Rosa Creek Comment
  RSA786493  Glyceria declinata Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy 116. Comment
  UCR282048  Glyceria declinata Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa 24 Comment
  CAS-BOT-BC282812  Glyceria leptostachya Peter Rubtzoff 1955-5-14 1837 Sonoma Forestville Marsh Comment
  RSA227240  Glyceria leptostachya Peter Rubtzoff 1962-5-30 4850 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC303862  Gnaphalium Peter Rubtzoff 1973-8-20 7240 Sonoma Sonoma Creek bottom near Agua Caliente Rd crossing W of Agua Caliente Comment
  UCD166308  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166906  Gnaphalium chilense Peter Rubtzoff 1962-10-23 5125 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC166781  Gnaphalium palustre Peter Rubtzoff 1955-8-6 2027 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC166784  Gnaphalium palustre Peter Rubtzoff 1958-7-19 3766 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC302686  Gnaphalium palustre John Thomas Howell 1936-7-26 12668 Sonoma Between Occidental and Graton Comment
  JEPS34012  Gnaphalium palustre Willis L. Jepson 1892-8-7 14749 Sonoma near Cloverdale (valley of the Russian River); Russian River Comment
  UCD131650  Gnaphalium palustre Frederica Bowcutt 1984-6-23 442 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. North of Gerstle Cove CA. 1/2 mile. 15 Comment
  RSA94307  Gnaphalium palustre Peter Rubtzoff 1951-8-19 655 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  UCD148400  Gnaphalium palustre Peter Rubtzoff 1958-7-19 3766 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  SEINET7098052  Gnaphalium purpureum A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point 38?_39'17" N, 123?_24'25" W. UTM Zone 10, 464591mE, 4278330mN. Comment
  CAS-BOT-BC251299  Gratiola Peter Rubtzoff 1974-5-26 7482 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC251313  Gratiola ebracteata Peter Rubtzoff 1958-4-26 3596 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA800205  Gratiola ebracteata Peter Rubtzoff 1959-4-19 4039 Sonoma Laguna de Santa Rosa, east of Sebastopol, near Santa Rosa road crossing. Comment
  CAS-BOT-BC164095  Grindelia Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  UCR280127  Grindelia camporum Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa, east of Graton 23 Comment
  CAS-BOT-BC305198  Grindelia hirsutula Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers Comment
  UC583035  Grindelia hirsutula P. A. Munz 1936-8-7 14306 Sonoma 2 mi n of Bodega (sea bluffs) Comment
Read comments
Feb 6 2013
  UCSB50242  Grindelia hirsutula Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11N 15 Comment
  POM225966  Grindelia stricta var. platyphylla P. A. Munz 1936-8-7 14306 Sonoma 2 miles north of Bodega. Comment
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Feb 6 2013
  JEPS18182  Harmonia nutans Rimo Bacigalupi with Robbins and Chisaki 1956-4-17 5587 Sonoma along road 3.7 mi e beginning of Ida Clayton Rd. on Kellogg Valley side ((jct. with State rd. 128)); Mayacamas Range 685 Comment
  CDA34787  Hedera helix Peter Warner 2010-2-28 109 Sonoma Sweetwater Springs Rd., 4.7 mi. W of Westside Rd.; in redwood stand immediately along S road edge. Comment
  CAS-BOT-BC306322  Hedypnois cretica W. P. Vestal; A. G. Vestal 1947-5-13 s.n. Sonoma 5 miles north of Fort Ross Comment
  CAS-BOT-BC306767  Helenium bigelovii John Thomas Howell; J. W. Stacey 1936-7-26 12684 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  RSA71062  Helenium bigelovii L. S. Rose 1951-6-7 51014 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  UC1032155  Helenium bigelovii H. S. Yates 1936-5-16 5598 Sonoma 2 mi se Forestville (Pittsin Marsh <from dip>); Sebastopol Quadrangle Comment
  RSA800284  Helenium puberulum Peter Rubtzoff 1970-9-3 6372 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  POM187816  Helenium puberulum Marcus E. Jones 1931-7-5 29103 Sonoma Cloverdale Comment
  UCSB15465  Helenium puberulum Breedlove, Dennis 1961-12-31 Sonoma At S side of mouth of Russian River 6 Comment
  CAS-BOT-BC305580  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  CAS-BOT-BC305967  Helminthotheca echioides Leonore Bravo 1982-9-12 s.n. Sonoma On road to Armstrong Grove, Guerneville Comment
  RSA800068  Hemizonia Peter Rubtzoff, Nancy Harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCD166205  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 427 Comment
  UCD166252  Hemizonia Peter Rubtzoff 1970-8-5 6302 Sonoma 5 miles north of Sears Point. 11 Comment
  UCD166266  Hemizonia Peter Rubtzoff 1970-9-3 6379 Sonoma Marsh off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek. Comment
  UCR244619  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma Vernal pool area, 6.5 mi northeast of Penngrove on Lichau Road 427 Comment
  RSA800148  Hemizonia Peter Rubtzoff 1964-8-26 5491 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  CAS-BOT-BC306165  Hemizonia congesta subsp. clevelandii L. R. Abrams 1916-7-4 5785 Sonoma Road between Petrified Forest and Mark West Comment
  OBI49585  Hemizonia congesta subsp. clevelandii Caitlin Bean 1992-6-16 s.n. Sonoma Windsor at confluence of E Windsor Crk and Windsor crk Comment
  SDSU4579  Hemizonia congesta subsp. clevelandii D. F. Howe 1965-8-14 4103 Sonoma East of Santa Rosa. 122 Comment
  CAS-BOT-BC306222  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-7-4 3822 Sonoma 2 miles n. of Windsor Comment
  UC134571  Hemizonia congesta subsp. congesta Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
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Jun 26 2010
  CAS-BOT-BC306238  Hemizonia congesta subsp. congesta J. McMurphy 1909-5-30 s.n. Sonoma Between Windsor & Healdsburg Comment
  UC990602  Hemizonia congesta subsp. congesta James I. McMurphy 1908-9-1 Sonoma near Fulton; George's Vineyard Comment
  UCR254915  Hemizonia congesta subsp. leucocephala Greg de Nevers 1998-6-9 11270 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC89773  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma Lagoon at Sebastapol Comment
  CAS-BOT-BC309698  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 711 Sonoma Summit between Sonoma and Petaluma Comment
  CAS-BOT-BC309708  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 715 Sonoma 2 miles south of Santa Rosa on road to Petaluma Comment
  CAS-BOT-BC309727  Hemizonia congesta subsp. lutescens J. McMurphy 1910-6-8 s.n. Sonoma Hills east of Petaluma Comment
  CAS-BOT-BC309730  Hemizonia congesta subsp. lutescens Milo S. Baker 1930-6-6 4158 a Sonoma Along Southern road from Sebastopol to Occidental Comment
  UC1518544  Hemizonia congesta subsp. lutescens Craig D. Thomsen 1976-6-27 247 Sonoma watershed of Estero de San Antonio Estero De San Antonio Comment
  UCD132988  Hemizonia congesta subsp. lutescens D. H. Hartmann; H. T. Hartmann 1941-8-24 s.n. Sonoma 3 miles west of Petaluma. Comment
  CAS-BOT-BC309947  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1966-7-17 9916 Sonoma Sausal Creek north of Alexander Valley Comment
  CAS-BOT-BC309950  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 s.n. Sonoma Valley across hills from Petaluma Comment
  JEPS119428  Hemizonia congesta subsp. luzulifolia Anne Howald 2011-8-28 2807 Sonoma North Coast Ranges, Sonoma Valley, Felder Creek drainage, west side of Macabee Rd., 0.2 mi. north of Felder Rd., west of Arnold Dr. Comment
  CAS-BOT-BC309956  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1932-9-18 10784 Sonoma Glen Ellen Comment
  CAS-BOT-BC309961  Hemizonia congesta subsp. luzulifolia F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  CAS-BOT-BC309964  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  POM215135  Hemizonia fitchii D. D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville. Comment
  POM53601  Hemizonia luzulifolia A. A. Heller 1902-8-20 6054 Sonoma Lagoon at Scbastopol Comment
  UC174206  Heracleum lanatum Katharine Brandegee June, 1905 Sonoma Bodega Comment
  CAS-BOT-BC310213  Hesperevax sparsiflora var. sparsiflora John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54004 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  HSC39061  Hesperocyparis macnabiana Gary S. Lester 1974-2-9 68 Sonoma Along Trinity Rd. 549 Comment
  CAS-BOT-BC123115  Hesperolinon spergulinum Henry Nicholas Bolander 1867-6-1 6568 Sonoma Cloverdale Comment
  UC1212391  Hesperolinon spergulinum Helen K. Sharsmith 1952-7-23 4168 Sonoma 1.1 mi ne Skaggs Springs; Inner North Coast Ranges 106 Comment
  SBBG7908  Heteranthemis viscidihirta E. D. Rowe -Jul-1940 Sonoma coast, Sonoma County [no specific locality] Comment
  RSA264760  Heterocodon rariflorum Peter Rubtzoff 1963-5-26 5133 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC149837  Heteromeles arbutifolia W. R. Dudley 1895-2-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC251213  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  UCD166419  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  UCR279613  Heterotheca oregona Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, c. 0.5 mile SW of the Russian River bridge in Hacienda 27 Comment
  SEINET195012  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near S end of Bodega Bay Comment
  UCD133157  Hieracium albiflorum Gerry North 1993-1 49 Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. On Bald Mountain trail 1/2 mile above fork of Bald Mountain and Meadow trails. 457 Comment
Read comments
Jan 6 2015
  RSA0025690  Hierochloe occidentalis John F. Emmel 1989-12-3 1141 Sonoma 0.3 air mi WSW of Plantation, near NE boundary of Salt Point State Park. 183 Comment
  CAS-BOT-BC55455  Hirschfeldia incana Walter Knight; Irja Knight 1963-9-12 252 Sonoma Petaluma. Magnolia Avenue. Comment
  CDA27097  Hoita orbicularis D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  NY11969  Hoita villosa A. A. Heller 1902-6-24 5761 Sonoma Near Burke's Sanitarium Comment
  POM205900  Holcus lanatus Jos Burtt Davy 1896-07 12201 Sonoma Near Guerneville. Comment
  UC573682  Holcus lanatus H. S. Yates 1937-5-30 6538 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCD84844  Holcus lanatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3571 a Sonoma 9.1 miles northwest of Santa Rosa, open roadside, north facing slope. Comment
  UCD84893  Holcus lanatus Mary M. Hektner; Sue Dakuzaku 1974-6-4 20 a Sonoma Near State Hwy 1, Unit 24 Owners' Map, Sea Ranch. Comment
  UCD84980  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 miles SE of Forestville. 30 Comment
  UCD84979  Holcus lanatus M. Wiesendanger 1927-5-5 722 Sonoma Sonoma County. Sonoma. Comment
  SD62059  Holocarpha virgata Darley F. Howe 1965-8-3 4104 Sonoma 4 miles west of Santa Rosa Comment
  UC75509  Holodiscus discolor Milo S. Baker 1898-6-11 677 Sonoma Geyser Canyon Comment
  CAS-BOT-BC152386  Holodiscus discolor var. discolor Mary P. Wells 1984-5-24 277 Sonoma Annadel State Park, Santa Rosa Comment
  HSC90904  Holozonia filipes Rimo Bacigalupi, Peter Rubtzoff 1976-8-6 Sonoma Knights Valley; off S side of Bavarian Lion Company ranch road (between it and a creek), 1-1.5 mi. W of its junction with Franz Vally Rd. (0.4 mi. S of Hwy. 128) Comment
  UC1746175  Hordeum brachyantherum Annetta M. Carter 1934-4-29 513 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  UCD85387  Hordeum brachyantherum P. B. Kennedy Date Unknown s.n. Sonoma Del Mar. Comment
  UCD85403  Hordeum brachyantherum Hursh 1919-5-13 X 3244 Sonoma Santa Rosa. Comment
  CAS-BOT-BC289285  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1960-5-15 4338 Sonoma Fife Creek Marsh Comment
  UC1587967  Hordeum brachyantherum subsp. brachyantherum M. Barkworth, D. Amme 1989-6-15 5173 Sonoma s end Bodega Head; s end Bodega Head Comment
  UCD85486  Hordeum brachyantherum subsp. brachyantherum Gerry North 1993-4 38 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At lower camping area, 50 m E of foot bridge. 365 Comment
  SEINET249774 Image available Hordeum californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile east of Occidental. Comment
  UCD85813  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3571 Sonoma 7 miles northwest of Santa Rosa, on road to Calistoga. Comment
Read comments
Sep 11 2012
  UCD85911  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 miles NW of Graton. 91 Comment
  CAS-BOT-BC284845  Hordeum murinum subsp. glaucum Peter Rubtzoff 1951-7-21 487 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  HSC10197  Hordeum murinum subsp. leporinum S. N. Wiemeyer 1962-1-29 7 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCR20670  Horkelia californica John C. Roos 1950-7-22 4870 Sonoma North Coast, Jenner, slopes above sea bluffs 61 Comment
  CAS-BOT-BC536156  Horkelia californica P. A. Munz 1936-8-7 14309 Sonoma Six miles north of Bodega Comment
  CDA18032  Horkelia californica subsp. dissita R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena spring, on north side of Mtn. 0 Comment
  CAS-BOT-BC146521  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 miles north of Sebastopol Comment
  OBI10083  Horkelia tenuiloba Lauramay T. Dempster 1958-5-24 1106 Sonoma Vine Hill, along road Comment
  UC574867  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 mi n Sebastopol Comment
  CAS-BOT-BC206158  Hosackia crassifolia Crawford Cooley 1992-5-7 s.n. Sonoma Near the Sonoma - Mendocino line ca. 8 airmiles west of Cloverdale on the Cooley Ranch Comment
  UC1122088  Hypericum anagalloides H. S. Yates 1936-5-16 5588 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  UC1299211  Hypericum concinnum Freed W. Hoffman 1947-5-30 525 Sonoma Layton Mine North Coast Ranges, Austin Creek, Layton Mine Comment
  JEPS36533  Hypochaeris glabra M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Guerneville; Russian River Comment
  UC479392  Hypochaeris glabra Marcus E. Jones 1931-7-5 29093 Sonoma w Cloverdale Comment
  CAS-BOT-BC316676  Hypochaeris glabra Peter Rubtzoff 1965-8-29 5628 Sonoma Russian River bottom at Forest Hills 5.5 miles east of Guerneville Comment
  CAS-BOT-BC316719  Hypochaeris radicata Walter Knight; Irja Knight 1963-8-13 303 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC316713  Hypochaeris radicata W. R. Dudley 1896-9-20 s.n. Sonoma Tomales Point Comment
  UC571179  Iris douglasiana H. L. Mason 1928-4-8 4282 Sonoma Fort Ross Comment
  RSA135813  Iris fernaldii E. K. Balls 1957-5-27 22619 Sonoma Mt. St. Helena, 4.2 miles south of Lake-Somona County line 732 Comment
  CAS-BOT-BC354327  Iris longipetala Peter Rubtzoff 1957-9-1 3526 Sonoma Duncans Mills, near Orrs Creek between Highway 12 crossing and Russian River. Comment
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Apr 18 2020
  SDSU11754  Iris macrosiphon D. F. Howe 1963-5-23 3526 Sonoma 3.8 miles north of Cloverdale on #128 335 Comment
  UC566066  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 mi n Camp Meeker; Sebastopol Quad. 91 Comment
  CAS-BOT-BC61916  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  SD134068  Isolepis carinata Peter Rubtzoff 1966-4-30 5696 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 mile from Llano Road, low, moist meadow. Comment
  SD134078  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh, open, wet ground. (IPB 11/07) Comment
  CAS-BOT-BC340229  Jaumea carnosa Milo S. Baker 1936-4-1 8214 Sonoma Near mouth of Salmon Cr. Comment
  CAS-BOT-BC340223  Jaumea carnosa Peter Rubtzoff 1973-8-25 7256 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC157987  Juncus Peter Rubtzoff 1968-6-25 5905 Sonoma Lichan Marsh Comment
  RSA94262  Juncus anthelatus Peter Rubtzoff 1951-7-14 472 Sonoma Pitkin Marsh near Forestville, Lower part of the upper marsh. Comment
  RSA0035351  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh. Comment
  UCD141367  Juncus bufonius Frederica Bowcutt 1984-6-23 431 a Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  SEINET7042682  Juncus bufonius A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC1101034  Juncus dubius Herbert L. Mason 1946-7-4 12890 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  CAS-BOT-BC173534  Juncus dubius Peter Rubtzoff 1972-6-27 6792 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC164047  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-7-23 6620 Sonoma Sonoma: Spring Hill Road, 2.7 miles southeast of Bodega Hwy (of Two Rock Church) Comment
  CAS-BOT-BC164050  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-9-3 6693 Sonoma Sonoma: At edge of springy area along southeastern border of Spring Creek Reservoir Comment
  RSA368221  Juncus effusus subsp. pacificus Christopher Davidson 1977-6-20 6025 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  UCD84293  Juncus hemiendytus var. hemiendytus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD141578  Juncus lescurii Terri Williamson 1990-5-20 64 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  UCD141617  Juncus nevadensis Frederica Bowcutt 1997-7-18 2182 a Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  UC1146699  Juncus occidentalis Freed W. Hoffman 1941-5-18 2180 Sonoma Franz Valley North Coast Ranges Comment
  UCD141648  Juncus occidentalis M. Wiesendanger 1927-5-5 713 Sonoma Sonoma. Comment
  UC143757  Juncus patens A. A. Heller 1902-6-10 5680 Sonoma Santa Rosa Comment
  RSA94456  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-6-10 201 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  UCD142923  Juncus tenuis R. Tofsrud 1947-5-4 s.n. Sonoma Parker Hill near Santa Rosa. Comment
  CHSC113798  Juncus xiphioides Peter F. Zika 2012-6-30 25944 Sonoma Pepperwood Preserve, near Dwight Center, 3 air miles SE of Bald Hills, Mayacmas Mountains. Outer North Coast Ranges. (NCoRO) 375 Comment
  UCD142832  Juncus xiphioides Frederica Bowcutt 1994-6-24 1895 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  UC1238930  Keckiella corymbosa Freed W. Hoffman 1947-8-9 1431 Sonoma e of Cazadero (near East Austin Creek); North Coast Ranges Comment
  UCD86025  Koeleria macrantha Beecher Crampton 1957-7-22 4396 Sonoma 1/4 mile north of Fort Ross, State Hwy. 1. Comment
  SEINET11688012  Koeleria macrantha F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -232 Sonoma end of Stoetz Road 200 Comment
  UC1019891  Koeleria macrantha Milo S. Baker June 1945 10923 Sonoma opposite house at Maplewood Adobe Canyon Comment
  CAS-BOT-BC376338  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  RSA796383  Lactuca serriola Peter Rubtzoff 1958-9-6 3975 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC166951  Lagophylla Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC274320  Lagurus ovatus John H. Thomas 1976-6-15 18228 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC790934  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Pt Comment
  UCD63266  Lagurus ovatus Chris Bowen 1974-5-18 121 Sonoma Sea Ranch, near Whalers' Ranch, near State Highway 1, Unit 7 Owners' Map. Comment
  UCD63273  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  HSC94178  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail. 177 Comment
  UCD63283  Lamarckia aurea Beecher Crampton 1963-5-27 6813 Sonoma Sonoma County, border with Mendocino County, ca. 3 - 4 miles north of Cloverdale. Comment
  UCD125082  Lamium amplexicaule A. A. Heller 1902-6-7 5658 Sonoma Near Santa Rosa. Comment
  CDA11328  Lasthenia californica G. F. Hrusa 1995-4-2 12038 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  CAS-BOT-BC346333  Lasthenia californica G. DeNevers 1982-4-18 1945 Sonoma Pepperwood Ranch. NW corner of Hansel's Property Comment
  UC726335  Lasthenia californica subsp. bakeri A. A. Heller 1938-5-14 15086 Sonoma e Bodega Bay Comment
  UCD133664  Lasthenia californica subsp. californica Mary M. Hektner; Cathy Hendel 1974-7-2 102 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  CAS-BOT-BC355521  Lasthenia glaberrima Alice Eastwood 1921-4-24 10356 Sonoma Santa Rosa Comment
  CAS-BOT-BC355524  Lasthenia glaberrima Peter Rubtzoff 1958-5-10 3654 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  UC978119  Lasthenia glaberrima L. Beane and Lois E. James 1949-5-16 1947 Sonoma ca. 3 mi s Healdsburg Comment
  POM203664  Lasthenia glabrata subsp. glabrata J. T. Howell 1933-4-1 10925 Sonoma Petaluma Comment
  UC1728263  Lasthenia glabrata subsp. glabrata Phyllis M. Faber 1998-5-1 Sonoma off Hwy 37 near Petaluma River (east side) (in disturbed area of dike removal); Sonoma baylands Comment
  CAS-BOT-BC370894  Lasthenia minor Alice Eastwood 1915-6-29 4837 Sonoma Bodega Point Comment
  CAS-BOT-BC370891  Lasthenia minor D. H. Morey 1958-4-10 13331 Sonoma adjacent to Bodega Head Comment
  SD112563  Lasthenia minor subsp. maritima Darley F. Howe 1966-6-2 4259 Sonoma Coast,4.0 miles north of Bodega Bay on Highway 1. Comment
  UCD166119  Lathyrus Peter Rubtzoff 1972-5-25 6769 Sonoma Laguna, Chileno Valley. Comment
  UCD106212  Lathyrus cicera Christine Lee 1993-4-24 89 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 411 Comment
  UC424792  Lathyrus jepsonii var. californicus unknown Apr 1930 4848 b Sonoma near Plantation Comment
  UCD106362  Lathyrus latifolius Terri Williamson 1990-5-20 45 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  RSA0060103  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 100 Comment
  UCD166126  Layia Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  UCSB21086  Layia chrysanthemoides McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and Mac Arthur St., Sonoma 25 Comment
  UC584208  Layia gaillardioides David D. Keck 1935-6-15 3379 Sonoma Russian River Comment
  SEINET7067227  Layia platyglossa A. G. Vestal 1947-5-12 s.n. Sonoma Stinson Beach [presently Stenson Beach State Park]. Coordinate datum: NAD27. UTM Zone 10, 531872mE, 4193954mN. Comment
  CAS-BOT-BC274362  Leersia oryzoides Peter Rubtzoff 1963-9-28 5285 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg. Along Russian River margin Comment
  CAS-BOT-BC210099  Lemna Peter Rubtzoff 1965-10-10 5656 Sonoma Pitkin Marsh, near Forestville. Comment
  RSA785224  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  CAS-BOT-BC210102  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sears Point. Comment
  UCD164539  Lemna Peter Rubtzoff; Betty Lovell 1975-8-11 8312 Sonoma Kenwood Marsh. Comment
  UCD166180  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road. Comment
  CAS-BOT-BC534367  Lemna minor Greg de Nevers 1992-6-16 10164 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  SEINET11768003  Lemna minor Unknown 1940-1 1011 Sonoma behind Fountaingrove Vineyard 3 mi N of Santa Rosa along Hwy 101 Comment
  CAS-BOT-BC210093  Lemna minuta Peter Rubtzoff 1969-7-5 6107 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  UCD166178  Lemna minuta Peter Rubtzoff 1969-7-5 6107 Sonoma Pond 5.25 mi. northeast of Penngrove near Lichan Road. Comment
  CAS-BOT-BC527280  Lemna minuta Peter Rubtzoff 1951-7-8 385 Sonoma Lower part of Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC527286  Lemna minuta Peter Rubtzoff 1964-8-20 5467 Sonoma One mile southeast of jenner near crossing of Hwys. 1 and 12 Comment
  UCR256275  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh 6 Comment
  UCR256525  Lemna valdiviana Peter Rubtzoff 1958-6-1 3686 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC339165  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-8 394 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC173646  Lepidium Peter Rubtzoff 1962-9-30 5101 Sonoma Vacation Beach, 2 miles below Guerneville on Russian River bottoms Comment
  CAS-BOT-BC89150  Lepidium didymum Walter Knight; Irja Knight 1963-8-13 173 Sonoma Horseshoe Cove. Comment
  RSA790009  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC89740  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  POM182701  Lepidium oxycarpum D. D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  CAS-BOT-BC12972  Lepidium strictum Catherine Best 1987-3-28 1237 Sonoma Bodega Head. Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  RSA0057965  Leptochloa fascicularis Greg de Nevers 1997-9-22 11089 Sonoma Pepprwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  RSA262193  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-9-2 6354 Sonoma Russian River bottom at Mirabel Park. Comment
  UCD55150  Leptosiphon androsaceus Ellen Dean; Tammie Beyerl 2006-4-28 3032 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 260 Comment
  UCSB5189  Leptosiphon androsaceus Keator, Glenn 1959-4-2 Sonoma 5.5 miles up Cavedale road near its end; 6.6 miles from Agua Caliente Comment
  RSA79052  Leptosiphon bicolor E. K. Balls, Lee W. Lenz 1952-5-8 17111 Sonoma 4.4 mi NW from Mark West Springs on road to Kellogg 107 Comment
  UCD118608  Leptosiphon bicolor Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1802 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Along Meadow Trail, approximately 0.25 mile from trailhead. 396 Comment
  CAS-BOT-BC361344  Leptosiphon harknessii Greg de Nevers 1997-4-24 10968 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CHSC23090  Leptosiphon parviflorus Robert A. Schlising 1962-3-31 2118 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  NY180565  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  RSA0001374  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  JEPS20635  Lessingia hololeuca Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  JEPS128329  Lessingia ramulosa Roger Raiche 2009-8-23 039 .09 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC368056  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mouth of Kalfenatchi's[?] driveway 400 Comment
  RSA796226  Leucanthemum vulgare Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCR255049  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC436538  Ligusticum apiifolium John Thomas Howell 1930-6-8 5252 Sonoma 1 mile east of Bodega Bay Comment
  UCR255035  Ligusticum apiifolium Greg de Nevers 1998-7-25 11302 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge 137 Comment
  RSA304185  Lilium maritimum S. Ganley 1971-5-31 691 Sonoma North of Fort Ross. 46 Comment
  UC942861  Limnanthes alba Lewis S. Rose 1951-5-17 51007 Sonoma hills w Agua Caliente 91 Comment
  UCD116499  Limnanthes douglasii G. F. Hrusa; R. Gross, A. Buckmann 1996-3-29 12740 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. 110 Comment
  RSA215900  Limnanthes douglasii Peter Rubtzoff 1955-4-30 1788 Sonoma Stony Point Marsh. Comment
  RSA51321  Limnanthes douglasii Peter H. Raven 1980-4-6 s.n. Sonoma Vernal flats, Cotati to Santa Rosa. 30 Comment
  SEINET6670470  Limnanthes douglasii subsp. douglasii C. T. Mason 1949-4-11 1249 Sonoma West side of highway 37, 2.4 miles north of junction of state highway 37 and 48, Sears Point. Comment
  CAS-BOT-BC45944  Limnanthes vinculans Peter Rubtzoff 1962-5-25 4830 Sonoma Laguna de Santa Rosa north of Sebastopol, nr. Occidental Rd. crossing. Comment
  RSA215942  Limnanthes vinculans Peter Rubtzoff 1958-5-17 s.n. Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd.) Comment
  UC1368724  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma e Sebastopol; Laguna de Santa Rosa Comment
  UCR279857  Limosella acaulis Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UC106674  Linanthus androsaceus Katharine Brandegee 1905-6-25 Sonoma Bodega Bay Comment
  SEINET12329973  Linanthus androsaceus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -195 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UCD123911  Linaria vulgaris G. Thomas Robbins 1958-8-11 3924 Sonoma along Estero Lane, a dirt road south of State Highway 1, about 2 miles south of the highway, west of the town of Bodega. Comment
  POM316764  Linum angustifolium Patricia Wilder 1965-6-10 3635 Sonoma 1.0 mile N of Jenner on Calif. State Hwy 1. North Coast Mt. Range. 23 Comment
  SEINET12186107  Linum bienne W. Knight, Knight, W. 1984-1 5116 Sonoma Parking lot median strip, Gualala Point Regional Park Comment
  UCD110566  Linum bienne William J. Costa 1968-5-18 36 Sonoma Shell Beach, ca. 1.5 air miles south of Jenner. 15 Comment
  CAS-BOT-BC167474  Linum trigynum Elaine Mahaffey 1996-5-20 s.n. Sonoma Fort Ross State Park Comment
  CAS-BOT-BC430798  Lithophragma affine Alice Eastwood 1918-5-1 6870 Sonoma Mt. St. Helena Comment
  UC11905  Lithophragma bolanderi F. T. Bioletti 1892-1 Sonoma Sonoma (?) Comment
  UC1093939  Logfia filaginoides Herbert L. Mason 1947-5-4 13211 Sonoma near Kenwood (burned area of Hood Mountain); Hood Mountain Comment
  CAS-BOT-BC283287  Lolium multiflorum Peter Rubtzoff 1951-7-7 373 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  UCD66008  Lolium multiflorum Beecher Crampton 1957-7-11 4305 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  JEPS86812  Lomatium dasycarpum subsp. dasycarpum Jack and Betty Guggolz 1991-5-4 1123 Sonoma top of Bradford Mt. (1 mi. w. of Dry Creek Rd.) 365 Comment
  UC1348909  Lomatium repostum Robert F. Thorne 1965-4-20 34326 Sonoma ca. 2 1/2 mi N of Santa Rosa (1 mi N of Sonoma Co. Hosp., Parker Hill Rd.) 106 Comment
  JEPS112769  Lomatium utriculatum Dean W. Taylor 1994-5-4 14213 Sonoma Ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UC1076677  Lomatium utriculatum C. Ritchie Bell 1952-3-19 1247 Sonoma top of Larksur Rock Bodega; , Larkspur Rock Comment
  UCD127806  Lomatium utriculatum Gerry North 1993-3 33 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area. 50 meters east of foot bridge, across from dumpster. 365 Comment
  CDA11137  Lonicera hispidula var. vacillans G. F. Hrusa, G. L. Stebbins, J. Major 1993-11-12 11548 Sonoma North Coast Biodiversity Arena; Fairfield-Osborne Reserve, 3 mi. E of Cotati. Comment
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Jul 28 2008
  JEPS12837  Lonicera hispidula var. vacillans M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville; Russian River Comment
  CAS-BOT-BC243994  Lonicera involucrata var. ledebourii Alice S. M. McKenzie 1981-2-3 12 Sonoma Russian gulch near road E side of creek, N side of road, Calif Hwy 1 at marker, Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC540843  Lotus Peter Rubtzoff 1974-5-18 7423 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llany Road Comment
  UC618378  Lotus angustissimus Milo S. Baker May 1935 8067 Sonoma n of Wrights Beach (Coast Highway) Comment
  UCR197883  Lotus angustissimus Beecher Crampton 1946-8-16 417 Sonoma Fort Ross Comment
  OBI13230  Lotus angustissimus Robert F. Hoover 1964-9-8 9287 Sonoma KolmerGulch (near Fort Ross) Comment
  POM232043  Lotus angustissimus Roxana S. Ferris 1937-8-19 9379 Sonoma 1.5 mi. north of Fort Ross on State Highway 1. Comment
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Dec 13 2015
  SEINET12165325  Lotus crassifolius Unknown 1985-1 RR 50572 Sonoma W side of Dry Creek Valley, N of Crane Ck, S of Bradford Mt, headwaters of Wine Crk 305 Comment
  UCR105443  Lotus formosissimus Peter Rubtzoff 1958-5-10 3632 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  SEINET11071689 Image available Lotus formosissimus A. A. Heller 1902-4-18 5332 Sonoma near Windsor Comment
  RSA177938  Lotus humistratus Robert F. Thorne 1965-4-20 34336 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC566201  Lotus humistratus H. S. Yates 1934-4-22 3861 Sonoma near Petrified Forest; Calistoga Quad. 243 Comment
  CDA36838  Lotus micranthus CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC864836  Lotus micranthus Lewis S. Rose 1940-5-5 40265 Sonoma Sonoma Creek Canyon 304 Comment
  JEPS55793  Lotus purshianus var. purshianus A. M. Ottley 1921-5-6 1353 Sonoma Sonoma Comment
  UC726745  Lotus purshianus var. purshianus A. A. Heller 1941-8-8 16278 Sonoma w of Petrified Forest Comment
  JEPS55893  Lotus scoparius W. L. Jepson 1923-6-28 10007 Sonoma Sonoma Canyon Kenwood 243 Comment
  RSA31784  Lotus unifoliolatus A. A. Heller 1938-8-11 15321 Sonoma Knights Valley Comment
  RSA32862  Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma Bodega Bay Comment
  CAS-BOT-BC478122  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC478123  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, 6 miles east of Guerneville Comment
  UCD65927  Ludwigia hexapetala B. J. Grewell 2006-11-10 06- 90 -LU Sonoma Russian River at Veteran's Memorial Park, Healdsburg. Collection upstream of dam, east bank at canoe/kayak launch area. 24 Comment
  UCR244609  Ludwigia palustris Peter Rubtzoff 1969-8-24 6149 Sonoma Pond on River Road, 3 miles west of Fulton 27 Comment
  RSA800126  Ludwigia palustris Peter Rubtzoff 1969-8-24 6149 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  RSA94343  Ludwigia palustris var. pacifica Peter Rubtzoff 1951-7-8 401 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  UCD148388  Ludwigia peploides Peter Rubtzoff 1956-9-11 2844 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC164056  Ludwigia peploides Peter Rubtzoff 1956-9-15 2911 Sonoma Atascadero Creek Marsh Comment
  SEINET10488401  Lupinus albifrons Charles Piper Smith 1948-4-27 Smith 48163 Sonoma Junction melitta-mark west-petrified forest roads. Petrified forest, junction Comment
  SEINET12165153  Lupinus albifrons W. Knight, Knight, I.; Ellman, P.; Petersen, J. 1986-1 5248 Sonoma Bowerie Aubdubon Preserve, betw Cavedale Rd adn Stuart Canyon .5mi off hwy 12 Comment
  UC15932  Lupinus bicolor W. H. Brewer 1862-4-17 982 Sonoma Sonoma Valley Comment
  RSA34035  Lupinus densiflorus var. palustris A. A. Heller 1938-5-14 15091 Sonoma Near Two Rocks. Comment
  UC1076235  Lupinus formosus H. L. Mason June 1930 5655 Sonoma mouth of Gualala River Comment
  CAS-BOT-BC8358  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley (label reads Anderson Valley; annotation corrects this to Alexander Valley) Comment
  SEINET11160113  Lupinus formosus var. robustus Unknown 1973-6-9 20712 Sonoma Sonoma County Comment
  UCD151109  Lupinus latifolius James A. Neilson Jr. 1974-6-1 2764 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UC865135  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma hills between Petaluma and Napa; between Pelaluma and Napa Comment
  CDA27499  Lupinus microcarpus var. densiflorus T. C. Fuller 1966-6-2 14858 Sonoma East side of Pacific Coast Highway 1, 0.2 mile south of junction with Petaluma-Valley Ford Road, 1 mile east of Valley Ford. 0 Comment
  UC155230  Lupinus microcarpus var. densiflorus Katharine Brandegee 1907-6-30 Sonoma Cliffs near Bodega Bay; Cliffs near Bodega Bay Comment
  CAS-BOT-BC8457  Lupinus microcarpus var. microcarpus Marcus Eugene Jones 1882-7-17 3329 Sonoma Duncan's Mills Comment
  UC1084473  Lupinus microcarpus var. microcarpus G. Thomas Robbins 1937-6-6 239 Sonoma along roadside near Bodega Bay; near Bodega Bay Comment
  UC201918  Lupinus microcarpus var. microcarpus Milo S. Baker Sonoma Dillon's Beach Comment
  UC725327  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  UC82239  Lupinus microcarpus var. microcarpus Alice Eastwood Sonoma Bodega Point; ; Bodega Point, Sonoma Co. Comment
  UC865334  Lupinus microcarpus var. microcarpus Marcus E. Jones, A. M. 1882-7-17 3329 Sonoma Duncan's Mills Comment
  SEINET7063004 Image available Lupinus nanus A. G. Vestal 1955-5-8 s.n. Sonoma South of Bennett Mountain. UTM Zone 10, 532837mE, 4251642mN. (WGS84/NAD83). 573 Comment
  UC1197270  Lupinus nanus Joseph P. Tracy 1933-5-1 12130 Sonoma below Knight's Valley along Mayacama Creek; along Maycama Creek below Knight's Valley 152 Comment
  UCD108973  Lupinus nanus Mary M. Hektner 1975-4-27 185 Sonoma next to parking lot; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD15528  Lupinus nanus Gregory J. Lowenberg 1988-5-9 20 Sonoma 1/4 mile of entrance to Bodega Marine Laboratory Road. 12 Comment
  POM10734  Lupinus nanus var. apricus A. A. Heller, H. E. Brown, A. H. Heller 1902-3-21 7188 Sonoma Hills southeast of Santa Rosa Comment
  POM10847  Lupinus polycarpus M. Alice King 1897-04 128 Sonoma Near Healdsburg Comment
  RSA0022472  Lupinus polycarpus Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  SEINET5500928 Image available Lupinus ruber Sally Walker 1983-6-13 Sonoma N. Bodega Highway on Joy Rd. Comment
  CAS-BOT-BC207259  Lupinus sericatus Greg de Nevers 1996-3-4 10783 Sonoma In Devil's Kitchen outcrops on Oak Hill Ranch east of Chalk Mountain, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  JEPS78238  Lupinus sericatus Charley Patterson 1979-6-22 Sonoma Socrates Mine Rd. (Whispering Pines Quad.) lower left corner of quad. on bend in road just nw 3066 BM (ca 3 air mi sw of Whispering Pines); Whispering Pines Quad, Lake-Sonoma County Line Comment
  JEPS83804  Lupinus sericatus Roger Raiche 1984-3-25 40074 Sonoma from Kelly Road near Rockpile Road sw Cloverdale ((about 11 1/2 mi n of its origin (Rockpile) at intersection with Skaggs Springs-Stewarts Point Road)); sw of Cloverdale Comment
  SEINET11091467 Image available Lupinus sericatus John Thomas Howell 1935-5-5 3672 Sonoma Near summit of Triniti P.O Road, Mt. Hood Range, Sonoma co Comment
  SEINET10870696  Lupinus succulentus Joseph W. Congdon 1880-5-2 Congdon s.n. Sonoma Comment
  SD39054  Lupinus tidestromii Edith A. Purer 1932-7-24 4082 a Sonoma Near Bodega Bay. Comment
  UCD41195  Lupinus tidestromii Sue Nichol 2003-5-29 s.n. Sonoma Goat Rock Dunes State Park. Jenner. Comment
  POM276546  Lupinus variicolor Rimo Bacigalupi 1928-6-18 1895 Sonoma Beach at the mouth of Salmon Creek 2 miles north of Bodega Bay. Comment
  SEINET10489101  Lupinus variicolor H. Dearing, M. Dearing 1939-5-14 Dearing 3349 Sonoma From coast on russian river. Prostrate, flower stalks ascending, leaves green Two and a half inches long, banner whitish, wings deep blue. Comment
  SEINET5500889 Image available Lupinus variicolor Sally Walker 1984-6-6 Sonoma Salt Point Comment
  UCSB17482  Lupinus variicolor Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma From coast on Russian River Comment
  CAS-BOT-BC210019  Luzula Peter Rubtzoff; Nancy Harrison 1978-6-11 9205 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley Comment
  POM170557  Luzula comosa A. A. Heller, H. E. Brown 1902-3-26 2793 Sonoma Santa Rosa Creek. Comment
  CAS-BOT-BC376266  Lythrum hyssopifolia Greg de Nevers No date on label 10779 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Garrison Canyon, in headwaters of canyon west of house 487 Comment
  SEINET12193549  Lythrum hyssopifolia W. Knight, Knight, I. 1983-1 4719 Sonoma Sonoma Mountain Rd #2 at former Jack London property at old Wake Robin Lodge site Comment
  UCD103014  Lythrum hyssopifolia Frederica Bowcutt 1994-5-21 1839 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood and 18 air miles NW of Napa. On Hillside Trail 1 mile from junction with Grey Pine Trail. Comment
  CDA15313  Lythrum salicaria Lane 1998-8-2 s.n. Sonoma Park Ave. Turf, 3075 Old Graverstein Hwy, Sebastopol. 0 Comment
  RSA0016032  Lythrum tribracteatum Peter Rubtzoff 1970-8-18 6308 Sonoma Five miles north of Sears Point. Comment
  UCD165253  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  UCD166068  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC166731  Madia Peter Rubtzoff 1964-5-31 s.n. Sonoma Along Russian River at Fitch Mtn. Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC342609  Madia Lawrence Beane 1949-5-11 338 Sonoma 2 miles north of Cloverdale Comment
  CAS-BOT-BC368061  Madia anomala Greg de Nevers 1998-5-26 11259 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  CAS-BOT-BC344036  Madia elegans John Thomas Howell 1945-7-18 21314 Sonoma Pitkin Ranch, n. of Sebastopol Comment
  JEPS128215  Madia exigua Roger Raiche 2000-5-4 061 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC343468  Madia gracilis D. E. Breedlove 1983-5-4 58701 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD151199  Madia gracilis James A. Neilson Jr. 1974-7-10 3577 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  HSC100964  Madia gracilis Peter Warner 2011-5-28 203 Sonoma Cresta Ranch (Sonoma Co. Ag. Preservation and Open Space Dist. Property; off Mark West Springs Rd. at Mark West Lodge), upslope S from Cresta Rd., near western property boundary. 0 Comment
  UC485307  Madia sativa Katharine Brandegee Sonoma Bodega Comment
  CAS-BOT-BC345217  Madia sativa H. M. Hall 1916-7-23 10244 Sonoma Near Petaluma Comment
  CAS-BOT-BC345253  Madia sativa Walter Knight; Irja Knight 1963-10-3 378 Sonoma Off-ramp at freeway US 101 and Railroad Ave - Cotati Comment
  CAS-BOT-BC345259  Madia sativa David D. Keck 1933-11-6 2653 Sonoma 6.5 mi. N. of Jenner Comment
  RSA94304  Madia sativa Peter Rubtzoff 1951-8-4 580 Sonoma Pitkin Marsh, near Forestville: south of the Upper Marsh Comment
  CAS-BOT-BC511575  Maianthemum racemosum subsp. amplexicaule G. de Nevers 1981-3-21 578 Sonoma Jenner. Mouth of Russian River. Coastal Brush. Comment
  CAS-BOT-BC511490  Maianthemum stellatum Greg de Nevers 1993-3-24 10331 Sonoma Pepperwood Ranch Natural Preserve, 3450 Faranz Valley Road, Weimar Canyon 304 Comment
  CAS-BOT-BC511496  Maianthemum stellatum Lewis S. Rose 1962-4-18 62025 Sonoma Laguna de Santa Rosa, 2 mi. ne. of Graton 30 Comment
  POM169294  Maianthemum stellatum A. A. Heller, H. E. Brown 1902-4-15 5297 Sonoma Santa Rosa Creek Comment
  UC30929  Mantisalca salmantica Miss M. A. King July 1897 Sonoma Healdsburg Comment
  UCD107560  Marah oregana M. Wiesendanger 1927-5-5 726 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC348215  Matricaria discoidea Peter Rubtzoff 1969-5-11 6038 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road Comment
  CAS-BOT-BC262962  Medicago Peter Rubtzoff 1973-8-29 7282 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC268110  Medicago Peter Rubtzoff; Nancy Harrison 1974-9-7 7874 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC268116  Medicago Peter Rubtzoff 1956-9-14 2890 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD87215  Melica californica R. Tofsrud 1941-4-1 294 Sonoma McDonald Reservoir. Comment
  CAS-BOT-BC281274  Melica geyeri G. DeNevers 1981-5-5 928 Sonoma Pepperwood Ranch. W arm of Garrison Canyon, above the Viburnum Comment
  JEPS128380  Melica geyeri Roger Raiche 2000-5-5 086 .00 Sonoma The Cedars. Danfield Creek, Leona's Cabin Site. Gualala River, Wheatfield Fork watershed. Comment
  UC771219  Melica geyeri W. S. Boyle 1942-4-26 1075 Sonoma between Petrified Forest and Mark West Comment
  UCD32526  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Sonoma County, 2.5 miles north of Guerneville, on roadside banks. Comment
  UCD36691  Melica harfordii Beecher Crampton 1955-6-17 2949 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC262452  Melica subulata Peter Rubtzoff 1959-6-6 4104 Sonoma Duncans Mills Marsh Comment
  UCD88632  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  SEINET191212 Image available Melica torreyana A. A. Beetle 1941-4-27 1726 Sonoma North side of Mt St Helena; rocky slope above St Helena Creek Comment
  UC1146646  Melica torreyana Freed W. Hoffman 1941-6-1 2187 Sonoma Oregon Canyon; North Coast Ranges Comment
  UC771211  Melica torreyana W. S. Boyle 1942-4-26 1076 Sonoma between Petrified Forest and Mark West (at junction of side road to Santa Rosa) Comment
  UCR279644  Melilotus albus Peter Rubtzoff 1953-11-1 1432 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  CAS-BOT-BC268072  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  RSA800066  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 mi north of Sears Point. Comment
  CAS-BOT-BC376288  Mentha Greg de Nevers 1992-6-26 10197 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  UCR244599  Mentha X piperita Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road Comment
  JEPS63477  Mentha canadensis W. L. Jepson 1921-9-12 9485 Sonoma Alexander Valley 45 Comment
  CAS-BOT-BC173657  Mentha pulegium Peter Rubtzoff 1956-9-16 2921 Sonoma Guerneville region. Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  UC187861  Mentha pulegium Edw. L. Greene 1888-8-30 Sonoma above S. Rosa <Santa Rosa?> (<Santa Rosa?>); above S. Rosa <Santa Rosa?> Comment
  RSA534492  Mentzelia laevicaulis Peter Rubtzoff 1961-8-26 4724 Sonoma Vacation Beach, 2 mi. below Guerneville. Russian River bottom. Comment
  CAS-BOT-BC429004  Micranthes fragosa Milo S. Baker 1927-3-1 2737 d Sonoma Golf Club Links. Comment
  SEINET7096778  Microseris douglasii A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane.Ca 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  CAS-BOT-BC349106  Microseris douglasii subsp. tenella Alice Eastwood 1921-5-8 10446 Sonoma Petaluma Comment
  UC50056  Microseris laciniata subsp. laciniata J. Burtt Davy 1894-6-17 Sonoma Knight's Valley Comment
  UC50057  Microseris laciniata subsp. laciniata F. T. Bioletti 1892-7-8 Sonoma South Los Guilicos Comment
  UC50058  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma Los Guilicos Comment
  UC50059  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-5 Sonoma Comment
  CAS-BOT-BC311869  Mimulus Peter Rubtzoff 1955-8-20 2063 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC311862  Mimulus Peter Rubtzoff 1955-7-10 1949 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC311863  Mimulus Peter Rubtzoff 1962-6-13 4898 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC311870  Mimulus Peter Rubtzoff 1955-7-9 1928 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC311876  Mimulus Peter Rubtzoff 1959-6-20 4171 Sonoma Willow Creek Marsh. Comment
  RSA0025398  Mimulus Peter Rubtzoff 1955-7-9 1929 Sonoma Forestville Marsh. Comment
  JEPS128314  Mimulus aurantiacus Roger Raiche 2000-5-21 102 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this not the name on USGS topo sheets.) Gualala River, Wheatfield Fork watershed. Comment
  SEINET12329968  Mimulus aurantiacus F. H. Utech 1986-1 86 -101 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  JEPS11702  Mimulus aurantiacus var. aurantiacus Francis W. Pennell Jul 2 1940-Jul 3 1940 26033 Sonoma mountain ne Kenwood Springs 243 Comment
  UC26690  Mimulus aurantiacus var. aurantiacus Alice Bolton 1888-10-13 Sonoma below Guerneville; Russian River Comment
  OBI9498  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1944-5-11 5454 Sonoma Along road to Oakville from Kenwood Comment
  RSA698955  Mimulus guttatus J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  UCR252546  Mimulus guttatus Peter Rubtzoff 1972-5-25 6764 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
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Nov 23 2015
  RSA94313  Mimulus guttatus Peter Rubtzoff 1951-6-16 262 Sonoma Western branch of the Upper Marsh. Comment
  SEINET12347398  Mimulus guttatus F. H. Utech 1988-5-21 88 -229 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  JEPS74597  Mimulus inodorus L. R. Heckard 1974-8-21 3825 A Sonoma near end Templeton road (s-central part of marsh); Pitkin Marsh Comment
  UC353818  Mimulus inodorus Milo S. Baker 1928-6-28 3191 b Sonoma Pitkin's Marsh Vine Hill District Comment
  UC625484  Mimulus kelloggii Frank W. Gould 1938-4-3 124 Sonoma w Calistoga (1 1/2 mi w of Petrified Forest) 274 Comment
  UC768827  Mimulus microphyllus R. F. Hoover 1939-4-18 4036 Sonoma Occidental Comment
  UC1012301  Mimulus nasutus F. W. Pennell and H. L. Mason 1940-5-21 25487 Sonoma 12 mi e Healdsburg (Route 28); Knights Valley, Maacona Creek 121 Comment
  UC1239072  Mimulus pilosus Freed W. Hoffman 1946-8-17 790 Sonoma near Korbel; North Coast Ranges, Russian River Comment
  RSA550574  Mimulus tricolor Peter Rubtzoff, H. A. Froebe 1971-5-30 6482 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Rd. Comment
  CAS-BOT-BC174582  Minuartia californica A. A. Heller; H. E. Brown 1902-3-14 5067 Sonoma Near Windsor Comment
  HSC4089  Minuartia douglasii H. E. Parks, S. T. Parks 1930-5-10 851 Sonoma Knights Valley 152 Comment
  JEPS18141  Minuartia douglasii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5661 Sonoma near Layton Chromite Mine (headwaters of creek, along and just above creekbed); Big Austin Creek, Vic. of The Cedars 266 Comment
  RSA77981  Minuartia douglasii Verne Grant, Alva Grant 1946-04 7671 Sonoma On Hwy 12, N of intersection of highways 48 & 37. Comment
  UC7699  Mollugo verticillata Miss Alice King 1897-1 Sonoma Healdsburg Comment
  CAS-BOT-BC26177  Monardella coriacea A. A. Heller 1902-7-8 5812 Sonoma Russian river at Healdsburg Comment
  CAS-BOT-BC314209  Monardella villosa A. A. Heller 1902-6-28 5791 Sonoma Between Knight's Valley and Mark West Springs. Comment
  UCD125249  Monardella villosa Frederica Bowcutt 1984-6-23 420 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Hwy 1. Immediately north of Gerstle Cove near large parking lot. 15 Comment
  CAS-BOT-BC318599  Monardella villosa subsp. subserrata Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford. Comment
  CAS-BOT-BC314203  Monardella villosa subsp. villosa L. R. Abrams 1920-7-3 7621 Sonoma Stewarts Point Comment
  CAS-BOT-BC314182  Monardella villosa subsp. villosa Milo S. Baker 1926-4-10 216 b Sonoma Mt. St. Helena. Trail to Crater Comment
  UC50091  Monolopia major H. N. Bolander 1866-4-18 4665 Sonoma Petaluma Comment
  CAS-BOT-BC444996  Montia fontana Greg de Nevers 1993-3-7 10316 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Double Ponds. 304 Comment
  JEPS42033  Montia fontana Rimo Bacigalupi with Robert Ornduff 1966-3-18 9141 Sonoma 1 mi s of Kenwood (just s of Los Guilicos Hot Springs, along the Warm Springs Road) 106 Comment
  CAS-BOT-BC444990  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  UCD144663  Montia parvifolia Frederica Bowcutt 1994-6-12 1874 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Canyon Trai along edge of Sonoma Creek just E of confluence with Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  UC1146576  Muhlenbergia andina Freed W. Hoffman 1947-8-30 575 Sonoma Red Slide North Coast Ranges, Austin Creek, Layton Mine Comment
  RSA264759  Myosotis discolor Peter Rubtzoff 1974-5-25 7475 Sonoma Upper Green Valley Marsh. Comment
  UCD119515  Myosotis discolor Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1795 Sonoma About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In main campground ~150 yards S of Sonoma Creek; 1/4 mile NW of confluence w/Rattlesnake Creek at the toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC257703  Myosurus Peter Rubtzoff 1966-5-7 5703 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC259172  Myosurus Peter Rubtzoff 1958-4-26 3595 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCD166497  Myosurus Peter Rubtzoff 1966-4-17 5672 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UC672611  Myrica californica Herbert L. Mason 1928-7-11 4893 Sonoma canyon 2 mi. n. Fort Ross Comment
  UCD166107  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  RSA800153  Myriophyllum brasiliense Peter Rubtzoff 1970-8-18 6318 Sonoma 5 mi N of Sears Point. Comment
  RSA800335  Myriophyllum hippuroides Peter Rubtzoff 1963-9-1 5247 Sonoma Bennett Mountain Lake. Comment
  POM207022  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma. Comment
  SEINET7067245  Nassella pulchra A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UC1133201  Nassella pulchra H. S. Yates 1934-4-21 3832 Sonoma 2 mi n County Farm; Santa Rosa Quadrangle Comment
  UCD87528  Nassella pulchra John Elliott 1958-4-6 s.n. Sonoma State Hwy. 1. 2 miles north of Jenner. Comment
  UCD87535  Nassella pulchra Mary M. Hektner; Sue Dakuzaku 1974-6-4 22 a Sonoma Unit 31 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC260285  Nassella pulchra Milo S. Baker 1945-4-1 10892 Sonoma Above house at Maplewood ca 2 miles N of Kenwood Comment
  CAS-BOT-BC60527  Nasturtium officinale John H. Thomas 1976-6-18 18363 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. Comment
  RSA0088471  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges: Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek. 151 Comment
  JEPS70315  Navarretia heterodoxa W. L. Jepson 1895-8-30 20959 Sonoma near Napa Valley; Petrified Forest Comment
  UC133811  Navarretia heterodoxa Katharine Brandegee Aug 1892 Sonoma Petrified Forest Comment
  UC1719856  Navarretia intertexta David Fruchter 1978-9-17 93 Sonoma Glen Ellen Comment
  JEPS43458  Navarretia leucocephala subsp. bakeri W. L. Jepson 1921-6-2 9302 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  UCD84273  Navarretia leucocephala subsp. bakeri Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  LA206694  Navarretia mellita John Thomas Howell; 1937-7-4 sn Sonoma near Petrified Forest Comment
  UC73615  Navarretia pubescens Milo S. Baker 1898-5-7 Sonoma Glen Ellen Comment
  UCD84276  Navarretia pubescens Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  SD38214  Navarretia squarrosa Edith A. Purer 1932-7-21 4043 Sonoma Bodega Bay, sandy bluff Comment
  UC124588  Navarretia squarrosa I. J. Condit 1908-8-13 Sonoma between G- and Armstrong Grove Comment
  RSA94272  Navarretia squarrosa Peter Rubtzoff 1951-8-19 656 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  UC1094035  Navarretia viscidula Lewis S. Rose 1955-6-27 55109 Sonoma 10 mi w Santa Rosa (junction of Vine Hill and School Roads) 45 Comment
  UC856900  Navarretia viscidula John Thomas Howell 1937-7-4 13082 Sonoma 5 mi n Sebastopol Comment
  JEPS3150  Nemophila heterophylla L. Constance 1938-4-24 2151 Sonoma 2 mi ne Bodega (on Salmon Creek); , ne of Bodega 91 Comment
  SD88406  Nemophila menziesii var. atomaria Darley F. Howe 1972-5-1 4815 Sonoma Duncan Point. Comment
  POM126455  Nemophila menziesii var. menziesii H. P. Chandler 1907-4-28 7551 Sonoma Santa Rosa to Calistoga. Comment
  CAS-BOT-BC366896  Nicotiana Greg de Nevers 1997-10-17 11106 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral 400 Comment
  CAS-BOT-BC366855  Oemleria cerasiformis Greg de Nevers 1998-3-4 11138 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC12460  Oemleria cerasiformis J. Burtt Davy 1896-3-13 1645 Sonoma Duncan's Mills Comment
  UCR255727  Oemleria cerasiformis Greg de Nevers 1998-3-4 11138 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC499696  Orobanche californica subsp. californica Steve Edwards 1984-7-22 s.n. Sonoma N end of prairie, N of Duvoul Cr., N of Camp Meeker, E of Highway Comment
  CAS-BOT-BC499779  Orobanche californica subsp. grayana Peter Rubtzoff 1971-8-9 6637 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC361408  Orobanche fasciculata Greg de Nevers 1997-5-17 11004 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. On Oak Hill Ranch burn. 457 Comment
  JEPS75583  Orobanche fasciculata Nancy Harrison 1976-5-17 Sonoma Trail back of theatre, Armstrong Woods Park. Comment
  SD56755  Orobanche fasciculata Darley F. Howe 1963-7-2 Sonoma 4.2 miles north of junction with #12 on #1. Comment
  POM15641  Orthocarpus densiflorus A. A. Heller, H. E. Brown 1902-4-9 5236 Sonoma Three Miles South of Healdsburg. Comment
  POM15720  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-4 5219 Sonoma Hills east of Santa Rosa Comment
  POM182697  Orthocarpus erianthus D. D. Keck 1931-4-2 1001 Sonoma Boyes Springs 30 Comment
  CAS-BOT-BC7001  Orthocarpus faucibarbatus var. albidus David Daniels Keck; Jens Chr. Clausen 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth Comment
  RSA239768  Orthocarpus faucibarbatus var. albidus Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1102 Sonoma Fort Ross State Park. Comment
  RSA402033A  Orthocarpus lacerus Christopher Davidson 1977-6-20 6006 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UCD127445  Osmorhiza berteroi Botany 102 students 1993-4-24 83 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air NW of Napa. Along Hillside Trail. 426 Comment
  UCD127765  Osmorhiza berteroi J. Adams; J. Weick 1993-5-8 296 Sonoma about 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. 365 Comment
  SEINET12121674  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -169 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  UCR3592  Oxalis oregana Carolyn McNeill 1969-5-25 s.n. Sonoma Sebastopol, 0.75 mi. east of Coffee Lane 107 Comment
  SEINET10494956  Oxalis oregana R. D. Sage 1992-1-10 Sage 13412 -2 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw occidental. Comment
  JEPS117127  Oxalis pes-caprae Peter Warner 2010-3-29 123 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  CAS-BOT-BC316926  Packera greenei Helen Katherine Sharsmith 1952-6-18 4127 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains. 975 Comment
  UCD166341  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR244746  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UC1254542  Panicum acuminatum var. acuminatum R. Spellenberg 1964-6-15 402 Sonoma 17 mi e Geyserville; The Geysers, e of Geyserville Comment
  UCD88550  Panicum acuminatum var. fasciculatum Mary M. Hektner 1974-7-6 132 A Sonoma Unit 34-A Owners' Map, Sea Ranch. Comment
  UCD88559  Panicum acuminatum var. fasciculatum Freed W. Hoffman 1942-6-21 2143 Sonoma At 'Hillcrest' on highway from Forestville to Sebastopol. Comment
  UCD89134  Panicum acuminatum var. thermale A. R. Kruckeberg 1949-6-4 S 21 Sonoma Sulphur Creek.Big Geysers. Comment
  UCD89140  Panicum acuminatum var. thermale Rick York; S. de Becker, L. Wickenheiser, J. O'Hagan 1990-7-24 90 001 Sonoma The Little Geysers, south of Little Geysers Creek. Comment
  CAS-BOT-BC253772  Panicum capillare Peter Rubtzoff 1959-9-19 4275 Sonoma Russian River bottom, Vacation Beach, near Guerneville Comment
  SEINET11687824  Panicum capillare subsp. hillmanii I. Knight, Knight, W.; Howell, J. T. 1986-1 5854 Sonoma town of Penngrove, at edge of driveway at fire department entrance 12 Comment
  SEINET10601107  Panicum hillmanii Walter Knight, Irja Knight; John Thomas Howell 1986-10-9 Knight 5854 Sonoma Pennygrove. Edge of driveway at fire department entrance. 12 Comment
  SJSU5985  Parentucellia viscosa C. W. Sharsmith 1972-6-24 7806 Sonoma edge of Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol 48 Comment
  CAS-BOT-BC156324  Paspalum Peter Rubtzoff 1978-8-12 9256 Sonoma Russian River at Del Rio Beach, ca 2.5 mi. E of Healdsburg on So. Fitch Mtn. Road. Comment
  SEINET10717816  Paspalum P. Rubtzoff 1971-8-31 Rubtzoff 6662 Sonoma Todd Road, near Stony Point Road. Comment
  UCD88720  Paspalum dilatatum Frederica Bowcutt 1996-5-23 2144 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Entrance to campground in Adobe Canyon. 350 Comment
  CAS-BOT-BC259692  Paspalum dilatatum Walter & Irja Knight; John Thomas Howell 1987-5-14 6386 Sonoma Llano Road near sewage treatment plant Comment
  CAS-BOT-BC265688  Paspalum distichum Peter Rubtzoff 1954-7-5 1536 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC257365  Pelargonium Peter Rubtzoff 1974-6-9 7585 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC69305  Pellaea andromedifolia Margot Lowry 1983-5-1 45 Sonoma 1 mi from top of Sonoma Mtn Rd on Sonoma Mtn. 500 Comment
  RSA247449  Pennisetum glaucum Peter Rubtzoff 1968-9-21 5071 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville Comment
  UCD160868  Penstemon heterophyllus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3292 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET12326114  Penstemon heterophyllus W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Rd 2.5 mi from State Route 12,300 yds S of summit 152 Comment
  SEINET5328497 Image available Penstemon heterophyllus W. Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, NE of Santa Rosa 61 Comment
  POM14670  Penstemon heterophyllus subsp. heterophyllus A. A. Heller 1902-6-28 5790 Sonoma Between Knight's Valley and Mark West Springs. Comment
  NY601785  Penstemon heterophyllus var. purdyi H. L. Mason 1934-4-28 8071 Sonoma Head of Dohrman Creek, Jensen's Ranch Comment
  UC146888  Penstemon newberryi var. sonomensis Katharine Brandegee Jun 1910 Sonoma Mt. St. Helena Comment
  NY130520  Penstemon sonomensis C. H. Michener 05 1893 s.n. Sonoma Hoods Peak Comment
  CAS-BOT-BC222747  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-9-25 5829 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  UC1329520  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  JEPS120461  Perideridia gairdneri subsp. gairdneri Daniel Slakey 2013-8-11 63 Sonoma Salt Point State Park, along the Salt Point trail, about 0.4 mile north of Salt Point, along the coast. Comment
  JEPS128254  Perideridia kelloggii Roger Raiche 2000-7-24 142 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  UC1041101  Perideridia kelloggii J. W. Congdon 1880-8-2 Sonoma Petaluma and Santa Rosa Road Comment
  UCD127896  Perideridia kelloggii K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  OBI81671  Perideridia kelloggii Tracey Call, Viola Call 1963-7-12 2240 Sonoma 4 mi NW of Cloverdale Comment
  CAS-BOT-BC418907  Persicaria hydropiperoides Peter Rubtzoff 1958-7-20 3789 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  CAS-BOT-BC419108  Persicaria lapathifolia John Thomas Howell 1932-9-18 10777 Sonoma Slough draining Kenwood Marsh Comment
  CAS-BOT-BC419272  Persicaria maculosa Peter Rubtzoff 1966-9-10 s.n. Sonoma Laguna de Santa Rosa ca. 1 mi. east-southeast of Sebastopol Comment
  UCR179375  Petrorhagia nanteuilii Botany 102 students 1993-5-8 285 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 eair miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile south of Red Mountain, N of Sonoma Creek 488 Comment
  UCD98399  Petrorhagia nanteuilii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 67 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  UC726925  Phacelia bolanderi A. A. Heller 1940-5-10 15603 Sonoma near bridge spanning the Gualala River (on road between Stewart Point and Skagg's Springs) Comment
  RSA133558  Phacelia californica L. R. Heckard, Paul C. Silva 1952-4-14 219 Sonoma Along State Highway 1, just south of Goat Rock. Comment
  UC702048  Phacelia californica Milo S. Baker 1946-5-15 11387 Sonoma near Schoolhouse (ca 10 mi w of Santa Rosa); Vine Hill Region Comment
  UCR255879  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 Comment
  JEPS35562  Phacelia egena L. R. Heckard 1964-6-11 1370 Sonoma along Trenton-Healdsburg road (Eastside Rd) 2 1/2 mi s junction with Windsor River Road Comment
  JEPS83658  Phacelia egena R. Raiche 1987-5-20 70193 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, creek branch referred to locally as Azealea Creak. 280 Comment
  UC909958  Phacelia imbricata Alice Eastwood 1915-6-5 4569 Sonoma Petrified Forest Comment
  SEINET12335289  Phacelia imbricata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -248 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  RSA178039  Phacelia imbricata subsp. imbricata Robert F. Thorne 1965-4-20 34390 Sonoma Los Alamos Road, ca. one to two miles northeast of State Highway 12. Comment
  UC1051811  Phacelia nemoralis subsp. nemoralis L. R. Heckard 1952-4-14 226 Sonoma roadcuts and roadsides about 2.5 mi e Alexander Flat (along rd to Pine Valley) 60 Comment
  RSA428197  Phacelia ramosissima var. montereyensis E. A. Purer 1932-7-21 16262 Sonoma Bodega Bay. Comment
  UC1132415  Phalaris angusta H. S. Yates 1936-5-16 5617 Sonoma near Green Valley School; Sebastopol Quad. Comment
  UCD88138  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma Near Guerneville. Lone Mountain Farm. Comment
  SJSU5975  Phalaris arundinacea C. W. Sharsmith 1972-6-24 7809 Sonoma by marshland of Laguna de Santa Rosa, N of Sebastopol, E of Graton, southern Sonoma County Comment
  UCD88569  Phalaris californica P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD88771  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  UCD88874  Phalaris lemmonii A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3580 Sonoma Corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  UCD88894  Phalaris lemmonii Beecher Crampton 1965-5-13 7342 Sonoma 4 miles S of Geyserville, Lytton. Comment
  UC1011002  Phalaris minor Doris Cole 1935-5-27 68 Sonoma Petaluma; at Doris Cole's home Comment
  CAS-BOT-BC250744  Phalaris paradoxa David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mi. W. of junction of Arnold Drive Comment
  UC1132438  Phalaris paradoxa H. S. Yates 1937-6-6 6578 Sonoma near Windsor; Healdsburg Quad. Comment
  UC30189  Phlox gracilis W. H. Brewer 1862-4-18 973 Sonoma near Sonoma Comment
  RSA139502  Phoradendron densum Del Wiens 1960-6-14 2723 Sonoma Ca 4 miles SE of Monte Rio on road to Camp Meeker. Comment
  UC1977006  Phyllospadix scouleri Ann Freeman 1963-8-6 1642 Sonoma Bodega Head. North side, Horseshoe Cove with flowers. Comment
  CAS-BOT-BC140613  Physocarpus capitatus A. A. Heller 1902-6-4 5647 Sonoma Santa Rosa Comment
  CAS-BOT-BC140619  Physocarpus capitatus G. DeNevers 1981-5-20 1227 Sonoma Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  UC1128130  Physocarpus capitatus E. Armstrong 1934-3-26 921 Sonoma Camp Meeker; Sebastopol Quadrangle 91 Comment
  UC66137  Physocarpus capitatus A. A. Heller 1902-6-4 5647 Sonoma near Santa Rosa Comment
  UCSC000358  Physocarpus capitatus H. S. Yates 1934-4-21 3801 Sonoma near Bodega - Duncan Mills 61 Comment
  CAS-BOT-BC202278  Pickeringia montana var. montana W. W. Carruth 1899-7-1 s.n. Sonoma Geysers Comment
  CAS-BOT-BC202282  Pickeringia montana var. montana Elsa G. Ruckert 1960-5-15 153 Sonoma 4 miles up Triniti [Trinity] Road from junction with Highway 12 Comment
  CDA18781  Pinus attenuata G. F. Hrusa, R. Gross 2000-2-6 s.n. Sonoma North Coast Ranges; Mt. St. Helena, 1/4 mile N of Ida Clayton Rd Summit. 0 Comment
  SEINET5055374  Pinus muricata Unknown 1983-7-7 E- 3 Sonoma Vicinity Salt Point, State Hwy 1 Comment
  UC400281  Pinus ponderosa J. Burtt Davy 1894-10-1 Sonoma above Knights Valley (spur of mt. on the Sonoma Co. side); Mt. St. Helena Comment
  CHSC59661  Pinus radiata Jeffrey L. Kennedy 1985-4-3 11 Sonoma 100 m. N of Spring Lake and 50 m. E of Annadale State Park, Santa Rosa. 121 Comment
  SEINET5334779  Pinus radiata L. Fallon 1939-1-6 s.n. Sonoma 7 mi. N of Santa Rosa Comment
  UCSC008209  Piperia elegans Randall Morgan 1989-1 1321 -P, 1324-P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  JEPS128295  Piperia elongata Roger Raiche 2010-7-11 034 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC173584  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR244611  Plagiobothrys Peter Rubtzoff, H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  UCR244646  Plagiobothrys Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  UCR279874  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  CAS-BOT-BC177120  Plagiobothrys Peter Rubtzoff 1969-6-15 6089 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA788370  Plagiobothrys bracteatus Peter Rubtzoff, H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Rd. Comment
  UCD150140  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  UCD33098  Plagiobothrys bracteatus Beecher Crampton 1966-5-10 7729 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UC905097  Plagiobothrys greenei Lewis S. Rose 1949-4-6 49028 Sonoma western outskirts Sonoma 29 Comment
  UC881328  Plagiobothrys greenei Milo S. Baker 1940-4-24 9549 Sonoma s Warfield Comment
  RSA0060110  Plagiobothrys reticulatus Greg de Nevers 1998-5-5 11229 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  CAS-BOT-BC368047  Plagiobothrys reticulatus var. reticulatus Greg de Nevers 1989-4-1 9070 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murrys Gate. 400 Comment
  RSA785155  Plagiobothrys stipitatus var. stipitatus Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCR280147  Plagiobothrys tener var. tener Peter Rubtzoff 1972-4-23 6735 Sonoma North Coast Range, 4.25 miles west of Glen Ellen on Bennett Valley Road 220 Comment
  CAS-BOT-BC258398  Plantago Peter Rubtzoff 1973-10-10 7341 Sonoma Tributary of Americano Creek, 2 miles west of Bloomfield. Comment
  CAS-BOT-BC290697  Plantago Peter Rubtzoff 1971-6-26 6574 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC293681  Plantago Peter Rubtzoff 1958-7-19 3763 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC376388  Plantago coronopus Greg de Nevers 1993-4-26 10403 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mountain House driveway. 400 Comment
  JEPS103958  Plantago lanceolata Jack and Betty Guggolz 1991-5-27 1158 Sonoma E side of Hwy 1 just S of the S end of Meyers Grade Comment
  CDA6613  Plantago major G. A. Benincasa 1980-8-11 Sonoma Sebastopol. 0 Comment
  CAS-BOT-BC92118  Platystemon californicus Alice Eastwood 1915-6-29 4863 Sonoma Bodega Point. Comment
  SFV8385  Platystemon californicus K. D. Parman 1972-5-6 24 Sonoma Bodega Bay, University of California Marine Laboratory on State Highway 1. Meadow at head of peninsula. Comment
  UCD166295  Pleuropogon Peter Rubtzoff 1966-5-7 5708 Sonoma On North side of Hessel Road, just west of Highway 116. Comment
  JEPS113047  Pleuropogon californicus Dean W. Taylor 1994-5-4 14200 Sonoma Santa Rosa Plain; north of Todd Road 0.5 mi W of junction with Llano Road (ca. 5 air mi SW Santa Rosa) 24 Comment
  SBBG34041  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  CAS-BOT-BC260924  Pleuropogon californicus Barbara Keller 1990-4-30 2012 Sonoma Coleman Valley Road 6 miles west of Occidental Comment
  SEINET6205136  Pleuropogon californicus L. S. Rose 1965-1 65019 Sonoma Sonoma Comment
  UCD90168  Pleuropogon californicus David L. Morgan 1956-5-12 s.n. Sonoma on Watmaugh Rd., 1/2 mile west of the junction of Arnold Dr. Comment
  CAS-BOT-BC260971  Pleuropogon californicus var. californicus Peter Rubtzoff 1961-5-24 4601 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC260974  Pleuropogon californicus var. californicus Peter Rubtzoff 1955-4-30 1802 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  JEPS117079  Pleuropogon californicus var. californicus Peter Warner 2010-5-6 140 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  UCD90234  Pleuropogon californicus var. davyi R. E. Preston 1996-4-22 930 Sonoma ca. 4.3 miles E.S.E. of Hopland. Comment
  UC1446221  Pleuropogon hooverianus Paul But with Peter Rubtzoff 1974-4-6 P 3 Sonoma 0.5 mi from Freestone (along Bohemian Hwy at Freestone Flat Road) Comment
  CAS-BOT-BC422342  Poa Peter Rubtzoff 1976-5-30 8560 Sonoma Kenwood Marsh. Comment
  UCD90530  Poa kelloggii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  RSA0021487  Poa pratensis Peter Rubtzoff 1976-6-18 8650 Sonoma Kenwood Marsh. Comment
  RSA94640  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  UC1146599  Poa secunda subsp. secunda Freed W. Hoffman 1942-4-15 2261 Sonoma near Guerneville (Herr Ranch) Comment
  CAS-BOT-BC244265  Poa unilateralis John Thomas Howell 1931-4-18 6429 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC376366  Poaceae Greg de Nevers 1992-6-26 10192 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 400 Comment
  CAS-BOT-BC376254  Pogogyne serpylloides Greg de Nevers 1995-5-5 10719 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  UC635628  Polygala californica H. L. Mason 1934-4-28 8087 Sonoma Jensen's Ranch Comment
  UCD109702  Polygala californica E. Frost 1996-5-26 20 Sonoma Mt. St. Helena, 150 yards in along hiking trail. 609 Comment
  CAS-BOT-BC157669  Polygonaceae Peter Rubtzoff 1964-5-20 5319 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC258038  Polygonum Peter Rubtzoff 1975-8-28 8363 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC414110  Polygonum aviculare subsp. aviculare Walter Knight; Irja Knight 1963-10-3 346 Sonoma Bennett Valley Comment
  CAS-BOT-BC414116  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville Comment
  CLARK-A1528-3782  Polygonum convolvulus John C. Roos 1959-7-30 Sonoma Healdsburg Garden Comment
  UCR280149  Polygonum hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 38 Comment
  RSA234545  Polygonum hydropiperoides Peter Rubtzoff 1958-8-31 3954 Sonoma Atascadero Creek Marsh. Comment
  SEINET11935872  Polygonum persicaria W. Knight, Knight, I. 1984-1 1368 Sonoma Willow Brook, 2 mi N of Petalnma Comment
  UC1446029  Polypodium Ed Lee 1978-12-2 4775 Sonoma e Santa Rosa (Annadel State Park, Spring Creek Trail, ca. 50 m s of Canyon Trail jct.); Annadel State Park Comment
  SEINET11719959  Polypodium californicum W. Knight, Knight, I. 1990-1 6570 Sonoma Armstrong Redwoods State Reserve Comment
  UC440179  Polypodium calirhiza Michener and Bioletti Mar 1892 Sonoma <I, L, or S> Canyon Comment
  UC1063661  Polypodium scouleri H. S. Yates 1934-4-21 3797 Sonoma near Bodega; Sebastopol Quadrangle Comment
  RSA0022378  Polypogon Peter Rubtzoff 1973-9-8 7303 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  RSA0023070  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC232999  Polypogon australis Peter Rubtzoff 1959-6-6 4094 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC233003  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  RSA94463  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC233192  Polypogon interruptus Peter Rubtzoff 1958-7-26 3802 Sonoma Laguna de Santa Rosa, E of Sebastopol Comment
  UC971701  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma along Highway 101, three mi n Santa Rosa (near pond in hills behind Fountaingrove Vineyard); hills behind Fountaingrove Vineyard Comment
  UCD91018  Polypogon interruptus Freed W. Hoffman 1941-7-3 2075 Sonoma North Coast Ranges. Near Guerneville. Comment
  UCR248938  Polypogon interruptus Peter Rubtzoff 1973-7-24 7194 Sonoma Upper Green Valley Marsh Comment
  SEINET10860395  Polypogon interruptus George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3073 Sonoma In soil chinks on sea side rocks. 5 m S of Stewart's Point. Comment
  CAS-BOT-BC233221  Polypogon maritimus Greg de Nevers 1992-6-26 10209 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC233224  Polypogon maritimus Peter Rubtzoff 1969-11-2 6205 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC237395  Polypogon monspeliensis John Thomas Howell; Walter & Irja Knight 1988-5-21 6225 Sonoma Todd Road Preserve 24 Comment
  UCR248738  Polypogon monspeliensis Peter Rubtzoff, Nancy Harrison 1974-9-7 7889 Sonoma Hinebaugh Creek in Rhonert Park, in creek bed under Commerce Blvd. bridge 30 Comment
  UC1400835  Polystichum P. Fischer 1970-9-20 4248 Sonoma 7.6 mi. from Point Stewart on rd. to Healdsburg 60 Comment
  JEPS86734  Polystichum californicum Jack and Betty Guggolz 1990-6-4 1056 Sonoma ca. 11 km e Healdsburg (on Ferrari-Carano Ranch) 198 Comment
  SEINET11718544  Polystichum californicum W. Knight, Knight, I.; Edwards, S. W. 1986-1 5509 Sonoma 2.75 mi from end of Mill Creek Road Comment
  CAS-BOT-BC72486  Polystichum munitum Irja Knight; Walter Knight 1964-11-15 1781 Sonoma Hood's Peak near Johnson Lake Comment
  POM120959  Polystichum munitum Marcus E. Jones 1902-7-18 s.n. Sonoma Duncans Mills Comment
  RSA302172  Polystichum munitum J. R. Shevock 1971-1-30 623 Sonoma Along Russian River. 13 Comment
  CAS-BOT-BC102353  Populus alba Peter Rubtzoff 1972-8-25 6854 Sonoma San Antonio Creek on east side of Hwy 101 crossing Comment
  CAS-BOT-BC102666  Populus fremontii Peter Rubtzoff 1959-9-19 4271 Sonoma Vacation Beach, near (2 mi. below) Guerneville, bank of Russian River Comment
  CAS-BOT-BC445300  Portulaca oleracea G. DeNevers 1981-7-1 1742 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  CDA836  Potamogeton nodosus P. F. Wright 1964-8-17 Sonoma Sherman Finch, Santa Rosa Soil Conservation, Santa Rosa. 0 Comment
  CAS-BOT-BC454082  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1963-7-27 5214 Sonoma Duncans Mills Marsh. Comment
  UCD139804  Prosartes hookeri R. H. Miller 1949-4-6 23 Sonoma 5 miles southeast of Monte Rio, beside on Highway 12. Comment
  UCD125271  Prunella vulgaris Beecher Crampton 1959-6-16 5392 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  SEINET12272809  Prunella vulgaris subsp. vulgaris A. P. Nelson 1961-1 646 1 C Sonoma At Pitkin Marsh Comment
  POM70072  Prunella vulgaris var. lanceolata Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UCD113175  Prunus cerasifera Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 75 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. S of Sonoma Creek, 1/8 mile beginning of Hillside Trail (lower slope). 381 Comment
  UCR255735  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Leslie Road 400 Comment
  CAS-BOT-BC159453  Prunus virginiana var. demissa G. DeNevers 1981-5-7 1012 Sonoma Between the two driveways at Leslie Road and Mark West Springs Road, Pepperwood Ranch Comment
  UCD113518  Prunus virginiana var. demissa Frederica Bowcutt 1996-5-24 2161 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  CAS-BOT-BC361616  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  UCD148334  Pseudognaphalium stramineum Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  OBI21026  Pseudotsuga menziesii Dave Morse 1972-7-29 1 Sonoma 1 mi NE of Cloverdale on Hwy 128 91 Comment
  NY621795  Pseudotsuga menziesii B. Crampton 1960-10-10 5789 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD133373  Pseudotsuga menziesii var. menziesii Beecher Crampton 1960-10-10 5789 Sonoma 5 miles northwest of Calistoga, Franz Valley, along Highway 128. Comment
  CAS-BOT-BC166938  Psilocarphus Peter Rubtzoff 1966-5-30 s.n. Sonoma Laguna de Santa Rosa, northeast of Graton, ca. 0.5 mi. N of Guerneville Road. Comment
  CAS-BOT-BC173828  Psilocarphus Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7401 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176135  Psilocarphus Peter Rubtzoff 1974-5-26 7489 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  SEINET3558501 Image available Psoralea macrostachya Lewis S. Rose 1933-9-3 33358 Sonoma 2 miles west of Petrified Forest. Comment
  RSA784485  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC72692  Pteridium aquilinum Peter Rubtzoff 1957-6-28 3383 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC371448  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along old road from Rogers Apple Orchard to creek. 400 Comment
  CAS-BOT-BC421374  Pterostegia drymarioides A. A. Heller 1902-5-27 5612 Sonoma Bodega Bay Comment
  RSA0072112  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along old road from Rogers Apple Orchard to creek. 100 Comment
  CAS-BOT-BC421371  Pterostegia drymarioides Milo S. Baker 1925-4-26 234 Local Sonoma Bluff opp. House, Maple Glen Comment
  CAS-BOT-BC460851  Pyrola aphylla Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC466277  Pyrola aphylla F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -176 Sonoma The Geysers ca 14.0 mi ESE of Preston and US Hwy 101 on Geysers Road 330 Comment
  UC496405  Pyrola picta Merle Randall 1930-7-11 Sonoma Cazadero Comment
  RSA94346  Pyrus communis Peter Rubtzoff 1952-10-26 1332 Sonoma Pitkin Marsh, near Forestville, eastern branch of the Upper Marsh. Comment
  UCD148523  Quercus X chasei G. F. Hrusa 1994-10-25 11915 Sonoma Austin Creek State Recreation Area. Gilliam Creek, immediately below Bullfrog Pond Camp. 160 Comment
  RSA34658  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  RSA155532  Quercus agrifolia L. S. Rose 1960-9-14 60097 Sonoma Laguna de Santa Rosa, 4 miles NE of Graton. 15 Comment
  UC1193303  Quercus agrifolia P. Zinke 107 Sonoma near Preston Lake (Quad 61A4) 243 Comment
  LA46478  Quercus chrysolepis Marcus E. Jones; A. M. 1931-8-3 28846 Sonoma Cloverdale Comment
  UC847903  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Sonoma Mount St. Helena Comment
  CAS-BOT-BC86004  Quercus douglasii Mrs. E. C. Sutliffe 1921-9-1 s.n. Sonoma Valley of the Moon, [Loudon's Place] Comment
  UC1193272  Quercus douglasii G. W. Tourtillott 1950-4-28 14 Sonoma 1 mi e Hale ranch; Sulphur Creek 213 Comment
  CAS-BOT-BC79565  Quercus dumosa Walter Knight; Irja Knight 1963-1-9 146 Sonoma Pine Mt. Rd. NE of Clverdale Comment
  SEINET12029928  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5078 Sonoma 0.4mi up Cavedale Rd from State Tr-12 91 Comment
  CDA21883  Quercus durata D. G. Kelch 2006-10-4 6 .499 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  JEPS83643  Quercus durata R. Raiche 1988-1-19 80003 Sonoma Bummer Peak Area, Rockpile Rd Lake Sonoma Area 329 Comment
  CAS-BOT-BC94669  Quercus garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles N of Penngrove 365 Comment
  CAS-BOT-BC94670  Quercus garryana L. R. Abrams 1916-7-4 5800 Sonoma Mark West Comment
  OBI14250  Quercus garryana var. garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 mi NE of Penngrove 366 Comment
  OBI4985  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 mi N of Sonoma 274 Comment
  POM188375  Quercus kelloggii Marcus E. Jones 1931-7-5 28847 Sonoma The Geysers. Comment
  SEINET5644376  Quercus kelloggii John M. Tucker 1952-9-20 2619 Sonoma Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse.; 0 Comment
  UC5630  Quercus kelloggii unknown 1899-6 111 Sonoma Asti Comment
  CAS-BOT-BC62806  Quercus lobata W. R. Dudley 1895-2-23 s.n. Sonoma near Knight Valley Winery Comment
  UC1193242  Quercus lobata G. W. Tourtillott 1950-4-28 13 Sonoma 1 mi (off) Hale Ranch; Sulphur Creek 213 Comment
  UCD46874  Quercus lobata J. M. Tucker 1950-11-5 2010 Sonoma Large tree beside Highway 28, ca. 6 miles northwest of Calistoga, in Sonoma County, California. Comment
  UCD47597  Quercus wislizeni K. Cuff 1948-8-26 KC 58 Sonoma 5 miles north of Annapolis, Section 1, T. 11N, R. 14W. 426 Comment
  CDA31008  Quercus wislizeni var. frutescens D. G. Kelch, Troy McGregor 2010-8-22 10 .347 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC379125  Ranunculus aquatilis var. diffusus Peter Rubtzoff 1962-8-22 5057 Sonoma Bodega Bay Marsh Comment
  SD133985  Ranunculus aquatilis var. hispidulus Greg de Nevers 1987-2-28 8128 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 99 Comment
  SEINET7096763  Ranunculus californicus A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  UCD95944  Ranunculus californicus Mary M. Hektner 1976-4-3 232 Sonoma on headlands above Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA739942  Ranunculus californicus Chas. H. Lamoureux, J. M. Tucker, June McCaskill, S. L. Armstrong 1957-4-7 1192 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  UCD95956  Ranunculus californicus P. B. Kennedy 1914-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC378680  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-3-9 563 Sonoma I. St. Extension about 1.5 mi from San Antonio Road Comment
  CAS-BOT-BC378686  Ranunculus californicus var. californicus John H. Thomas 1976-6-16 18272 Sonoma southern part of Sea Ranch, northwestern part of county, about 7 mi south of Gualala Comment
  RSA31774  Ranunculus californicus var. cuneatus A. A. Heller 1938-5-14 15082 Sonoma On the bluff N of Bay, Bodega Bay. Comment
  UC483320  Ranunculus canus Ira L. Wiggins 1932-3-12 5758 Sonoma meadows between Calistoga and Knight's Valley Comment
  CAS-BOT-BC83412  Ranunculus lobbii J. Penalosa 1961-5-24 1571 Sonoma Upper Stemple Creek Marsh. Comment
  JEPS86343  Ranunculus lobbii Jack and Betty Guggolz 1988-2-18 899 Sonoma pool about 1/8 mi e Fulton Road (1/4 mi n of Guerneville) Comment
  UCD96163  Ranunculus lobbii G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12030 Sonoma Lagunda de Santa Rosa, Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  UC1542899  Ranunculus muricatus H. E. and S. T. Parks 1930-5-9 617 Sonoma Alexander Valley; on creek entering valley Comment
  SD88405  Ranunculus occidentalis var. occidentalis Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  UC136318  Ranunculus orthorhynchus var. bloomeri Katharine Brandegee June 1905 Sonoma between Santa Rosa and Sebastopol Comment
  POM202755  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5758 Sonoma Hillside between Calistoga and Knight's Valley. Comment
  POM282757  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 2512 Sonoma roadside ditch, Knight's Valley Comment
  RSA534613  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1962-5-11 4827 Sonoma Freestone Marsh Comment
  JEPS55134  Ranunculus pusillus Miss R. Kuhn 1913-4-16 Sonoma Sonoma Comment
  UC118200  Ranunculus pusillus Mich. and Bioletti 1892-5-1 Sonoma Shellville Comment
Read comments
Jul 22 2010
  UCD84283  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD97085  Ranunculus repens Mary M. Hektner 1976-6-23 261 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET12095408  Ranunculus uncinatus C. F. Quibell 1976-1 1367 Sonoma Marshall - Petaluma Road Comment
  CAS-BOT-BC74235  Raphanus sativus Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol. Comment
  RSA94322  Rhamnus californica Peter Rubtzoff 1951-8-18 616 Sonoma Uppermost part of the western branch of the upper. Comment
  CAS-BOT-BC59447  Rhamnus ilicifolia Milo S. Baker 1927-11-5 2502 a Sonoma 2-3 mi. west of Skagg's along Hwy Comment
  CAS-BOT-BC56599  Rhododendron macrophyllum Mary P. Wells 1983-8-3 162 Sonoma Pygmy Forest, Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC111883  Rhynchospora californica Peter Rubtzoff 1951-7-28 560 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  RSA0065918  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh. Comment
  UC1133746  Rhynchospora capitellata H. S. Yates 1936-5-16 5593 Sonoma 2 mi se Forestville; Sebastopol Quadrangle, Pitkin Marsh Comment
  UC1026384  Rhynchospora globularis var. globularis John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  UC75443  Ribes californicum Milo S. Baker 713 Sonoma near Santa Rosa Comment
  CAS-BOT-BC168992  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1951-6-16 211 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  UC75452  Ribes menziesii Milo S. Baker 1899-6-2 Sonoma Sonoma Creek Comment
  UCD151117  Ribes menziesii James A. Neilson Jr.; Teresa A. Sholars 1974-6-26 3272 Sonoma Mayacmas Mountains, ca. 3 miles west of Glenbrook, vicinity of Caldwell Pines. (Elevation estimated by label maker using Google Earth.) 716 Comment
  UC75475  Ribes roezlii var. cruentum Milo S. Baker 1898-6-11 660 Sonoma Little Sulphur Creek Comment
  UC75476  Ribes roezlii var. cruentum Milo S. Baker 1899-2-22 755 Sonoma near summit Mt. Hood Comment
  UCD102490  Ribes sanguineum Michael A. Vincent; Ethan H. Freid 1998-4-8 8174 Sonoma Bodega Bay, 0.5 mile northeast of city limits along Rt. 1. Comment
  CAS-BOT-BC209371  Ribes sanguineum var. glutinosum Dorothy Scherer 1996-3-16 005 Sonoma West of Hwy 1 and south of Kolmer Gulch, Fort Ross State Historic Park 9 Comment
  CAS-BOT-BC168763  Ribes victoris Michener; Bioletti 1892-7-8 629 Sonoma South Los Guilicos Comment
  UC191399  Ribes victoris var. minus Michener and Bioletti 1892-7-8 629 a Sonoma Comment
  CAS-BOT-BC74691  Rorippa curvisiliqua Peter Rubtzoff 1953-5-16 1365 Sonoma Vacation Beach, near Guernville. Bank of Russian River. Comment
  CAS-BOT-BC74699  Rorippa curvisiliqua Peter Rubtzoff 1958-8-16 3866 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC74701  Rorippa curvisiliqua Peter Rubtzoff 1958-9-27 4010 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  CAS-BOT-BC74709  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC376306  Rorippa sinuata Greg de Nevers 1992-5-13 10148 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 400 Comment
  CAS-BOT-BC251219  Rosa Peter Rubtzoff 1973-9-9 7314 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC368001  Rosa Greg de Nevers 1989-6-8 9075 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CDA3957  Rosa eglanteria T. C. Fuller 1966-6-2 14851 Sonoma South side of road to Valley Ford, 2 miles west of Two Rock. 0 Comment
  CAS-BOT-BC146777  Rosa gymnocarpa Dorothy Scherer 1997-5-6 107 B Sonoma Ca. 70' north of Fort Ross Rd, and .6 mi. west of Seaview Rd, Fort Ross State Historic Park 365 Comment
  UC454965  Rosa gymnocarpa I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCD113879  Rosa gymnocarpa M. Wiesendanger 1927-5-5 737 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC148198  Rosa rubiginosa Walter Knight; Irja Knight 1963-10-3 360 Sonoma Pasture edge at Stony Point and Meacham Rds. Comment
  UCD166349  Rubus Peter Rubtzoff 1954-8-11 1691 Sonoma Guerneville Marsh. Comment
  UCD113779  Rubus armeniacus C. Wistrom 1996-5-26 38 Sonoma Healdsburg, 1601 Dry Creek Road. Comment
  UCD160015  Rubus leucodermis James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3291 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC262817  Rubus spectabilis Peter Rubtzoff 1957-4-28 3291 Sonoma Duncans Mills Marsh; lower part of the marsh. Comment
  RSA800354  Rubus spectabilis Peter Rubtzoff 1957-4-28 3291 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC158720  Rubus ulmifolius Walter Knight; Irja Knight; Keith Wagnon 1984-8-30 5064 Sonoma Between Enterprise Road and Cooper's Graove on Sonoma Mt. Road Comment
  UCD17827  Rubus ursinus H. Olmo 8-10 May 1962 62- 12 Sonoma California. Sonoma County: near Lumber Company along Gualala River. Comment
  UCR255649  Rumex Greg de Nevers 1997-9-22 11088 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  RSA784563  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  UCD148370  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  UCR178427  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco and c. 11 air mi east of Santa Rosa; c. 2.5 air mi NE of Kenwood; c. 18 air mi NW of Napa. Meadow trail and Gray Pine (Digger Pine) trail, 1 mile from trailhead 396 Comment
  CAS-BOT-BC422231  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC422234  Rumex acetosella Walter Knight; Irja Knight 1963-8-13 410 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC421850  Rumex conglomeratus C. F. Leithold 1893-7-1 s.n. Sonoma Bennet [Bennett] Valley Comment
  CAS-BOT-BC421856  Rumex conglomeratus John Thomas Howell 1938-7-3 13962 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC166673  Rumex fueginus Peter Rubtzoff 1968-9-21 5972 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166743  Rumex fueginus Peter Rubtzoff 1963-10-5 5286 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC433740  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  UCD101466  Rumex pulcher Mary M. Hektner 1976-12-14 272 Sonoma Sea Ranch Association Office; Unit 18-A, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC433845  Rumex pulcher Peter Rubtzoff 1951-7-7 381 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC433848  Rumex pulcher John H. Thomas 1976-6-16 18300 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD158722  Rumex salicifolius James A. Neilson Jr. 1974-7-31 2832 Sonoma Mayacmas Mountains. North of Little Geysers well # 2. 731 Comment
  UCD101609  Rumex salicifolius Frederica Bowcutt 1994-6-24 1896 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  POM252713  Rupertia physodes A. A. Heller 1902-6-23 5744 Sonoma Petrified Forest Comment
  JEPS90776  Sagina decumbens subsp. occidentalis Dean W. Taylor 1994-5-4 14225 Sonoma 1.8 mi n of Camp Meeker (along Bohemian Highway, Dutch Bill Creek drainage just downstream from confluence with Duvol Creek); North Coast Ranges, Bohemian Highway 76 Comment
  CAS-BOT-BC445697  Sagittaria cuneata Peter Rubtzoff 1972-6-29 6816 Sonoma Laguna, Chileno Valley. Comment
  UC935765  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-6-29 920 Sonoma on road to Sebastopol the Laguna marshy area w Santa Rosa; Laguna marshy area Comment
  CAS-BOT-BC445775  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC445803  Sagittaria montevidensis Peter Rubtzoff 1970-8-18 6305 Sonoma 5 mi. north of Sears Point. Comment
  UCR249071  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh 120 Comment
  RSA0015572  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  CAS-BOT-BC135954  Salix alba subsp. vitellina Walter Knight; Irja Knight 1986-3-3 5246 Sonoma Junction Stage Gulch Road and Old Adobe Rd., at edge of summer-dry creek. Comment
  POM209562  Salix babylonica W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road. 6 miles from Petaluma. Comment
  CAS-BOT-BC103081  Salix bonplandiana A. A. Heller 1902-4-18 5335 Sonoma Near Windsor on Russian River Comment
  CAS-BOT-BC103084  Salix bonplandiana Peter Rubtzoff 1952-6-15 1265 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  CAS-BOT-BC103841  Salix exigua subsp. melanopsis Peter Rubtzoff 1957-5-26 3372 Sonoma Vacation Beach, near Guerneville; bank of Russian River Comment
  CAS-BOT-BC103844  Salix exigua subsp. melanopsis Peter Rubtzoff 1972-9-8 6883 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River margin Comment
  UC1196603  Salix exigua var. hindsiana Joseph P. Tracy 1935-8-18 14742 Sonoma along creek w of Knight's Valley; Northern Coast Ranges 152 Comment
  UC490514  Salix exigua var. hindsiana Joseph P. Tracy 1932-5-8 9899 Sonoma in river bed Geyserville; Northern Coast Ranges Comment
  CAS-BOT-BC290707  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC106957  Salix laevigata Mary P. Wells 1987-2-21 850 Sonoma South side of Spring Lake, Santa Rosa Comment
  POM220468  Salix laevigata Carleton R. Ball, Harold E. Parks 1931-2-17 22 Sonoma Santa Rosa Creek, 1 mile S of Santa Rosa. Comment
  UC453098  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 16 Sonoma Bohemian Grove near Monte Rio (lower bank of Russian R.); Russian R. Comment
  CAS-BOT-BC128052  Salix lasiandra var. lasiandra Peter Rubtzoff 1953-5-16 1359 Sonoma Vacation Beach, near Guerneville, bank of Russian River Comment
  CAS-BOT-BC107093  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 mi. northeast of Penngrove on Lichau Rd. 213 Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  HSC19993  Salix lasiolepis R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1340 Sonoma Along Sulphur Creek, 7 mi. W of Big Geysers Comment
  UC453088  Salix lasiolepis W. A. Setchell 1931-7-25 8 Sonoma lower bank of Russian at Bohemian Grove (near Monte Rio) Comment
  UC453102  Salix lasiolepis W. A. Setchell 1931-7-31 19 Sonoma Bodega Bay Comment
  UC482117  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC66163  Salix lasiolepis A. A. Heller 1902-3 5097 Sonoma e Santa Rosa; Santa Rosa Creek Comment
  RSA31743  Salix lasiolepis A. A. Heller 1900-3-18 5097 Sonoma Santa Rosa Creek. Near Santa Rosa. Comment
Read comments
May 1 2014
  CAS-BOT-BC125697  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  CAS-BOT-BC126198  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  LA208908  Salix scouleriana Milo S. Baker; March 1933 7565 Sonoma at foot of O'Farrel Hill on Bodega Hwy Comment
  RSA90536  Salix scouleriana Milo S. Baker 1939-4-12 3428 -c Sonoma W of Occidental 0.5 mile Coleman Valley Rd Comment
  HSC20118  Salix sitchensis Theodore J. Crovello 1965-9-14 720 Sonoma Along Mayacama Creek, 75-100 yds. W of junction with bridge of Hwy. 128 Comment
  UC1135016  Salix sitchensis E. Armstrong 1934-3-26 901 Sonoma 2 mi. n.w. Camp Meeker; Sebastopol Quad. Comment
  UC482106  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 35 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  LA208958  Salix sitchensis Carleton R. Ball; Bracelin, Parks, Parks 1931-4-21 35 Sonoma Mancama Creek, 25 km NE of Calistoga Comment
  SBBG28794  Salix sitchensis M. S. Baker 1941-10-10 10179 Sonoma Mark West Crk, Spring Mtn Rd, ca. 1 mi E of Alpine School House Comment
  CAS-BOT-BC376260  Salpichroa origanifolia Greg de Nevers 1991-5-14 9749 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Ward House 475 Comment
  CAS-BOT-BC225210  Salvia sonomensis F. H. Utech; Walter Knight; Irja Knight 1984-4-16 84 -099 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale Road from junction with CA Hwy 12, ca 1.6 mi N on Cavedale Road from junction 396 Comment
  CAS-BOT-BC225216  Salvia sonomensis Walter Knight; Irja Knight 1963-10-27 437 Sonoma Spring Mt. Rd. Comment
  CDA10856  Salvia sonomensis G. F. Hrusa, G. L. Stebbins 1994-4-8 11732 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  OBI48690  Salvia sonomensis Michener & Bioletti, Bioletti June1893 s.n. Sonoma Hoods Peak Comment
  CAS-BOT-BC245885  Sambucus nigra subsp. caerulea Peter Rubtzoff 1966-9-10 5818 Sonoma Atascadero Creek Marsh Comment
  UCD160126  Sambucus nigra subsp. caerulea James A. Neilson Jr. 1973-6-6 2958 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  UCD137272  Sambucus racemosa var. racemosa Mary M. Hektner; Cathy Hendel , Sue Dakuzaku 1974-7-4 116 Sonoma north of Sea Drift Road; Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. 3 Comment
  JEPS102077  Sanguisorba minor subsp. muricata Dean Schlichting 2002-5-16 Sonoma Bohemian Grove 76 Comment
  UC1073295  Sanicula arctopoides George B. Rossbach 1955-3-19 376 Sonoma northern and highest hill on Bodega Head Bodega Head 81 Comment
  UCD127906  Sanicula arctopoides Oz Garton 1974-4-6 s.n. Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC1022491  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X334 Sonoma between Santa Rosa and Calistoga Comment
  CHSC26274  Sanicula laciniata P. Kunst 1977-4-11 15 Sonoma 182 Comment
  CAS-BOT-BC328137  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  RSA799991  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 mi east of Guerneville. Comment
  RSA17703  Saxifraga californica Elmer I. Applegate 1934-3-25 8843 Sonoma Sausal Creek on road to Pine Flat. W slope of Mayacama Mountains. Comment
  JEPS26635 Image available Saxifraga mertensiana R. Bacigalupi 1948-3-6 2854 Sonoma 1 mi w of Skaggs Springs Comment
  SD254704  Saxifraga mertensiana Ann Howald 2015-4-1 3331 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 294 Comment
  UC11812  Saxifraga mertensiana J. Burtt Davy 1896-3-14 1667 Sonoma Austin Creek Comment
  CAS-BOT-BC283139  Schedonorus arundinaceus G. De Nevers 1981-6-18 1571 Sonoma On the dam at the Pippindale Pond, Pepperwood Ranch Comment
  RSA0022390  Schedonorus arundinaceus Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  CAS-BOT-BC111432  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-31 3955 Sonoma Atascadero Creek Marsh. Comment
  RSA540070  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111839  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest Hills, 5.5 miles East of Guerneville. Comment
  UCR249041  Scirpus maritimus Peter Rubtzoff 1974-9-7 7873 Sonoma Hinebaugh Creek in Rhonert Park, creek bed west of Commerce Blvd. crossing 29 Comment
  SEINET7883439 Image available Scleropoa rigida Leo Koch 1940-1 964 Sonoma 349 Second Avenue Wood Residence; persisting at this locality for at least 10 years Comment
  UC1577333  Scoliopus bigelovii Baki Kasapligil 1968-3-16 4257 Sonoma 2.5 mi. s. Fort Ross (CA Hwy. 1) Comment
  CAS-BOT-BC516414  Scoliopus bigelovii Alfaretta Wood No date on label. s.n. Sonoma Duncan's Mill Comment
  SEINET12057686  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along shady floodplain of Dutch Bill Creek 50 Comment
  CAS-BOT-BC240035  Scribneria bolanderi John Thomas Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC320539  Scrophularia californica Peter Rubtzoff 1954-8-11 1690 Sonoma Guerneville Marsh. Comment
  RSA0022476  Scrophularia californica Peter Rubtzoff 1964-5-20 5307 Sonoma Bodega Bay Marsh. Comment
  UC478878  Scutellaria californica Marcus E. Jones, A. M. 1931-7-5 28823 Sonoma w of Cloverdale Comment
  UC733655  Sedum radiatum Dan Axelrod 1931-7-10 2 Sonoma on Fort Ross Road 3 mi n Cazadero (Ward Creek); , n of Cazadero Comment
  CAS-BOT-BC63941  Sedum spathulifolium J. F. Emmel 1970-5-10 274 Sonoma .3 air mile E of confluence of Rancheria Creek and Warm Springs Creek on Stewarts Pt. Skaggs Springs Road. 144 Comment
  RSA0074774  Sedum spathulifolium Christopher Davidson 1977-6-17 5884 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  UC150854  Selaginella wallacei C. F. Baker 1903-4-20 2746 Sonoma Mt. St. Helena Comment
  UCD135987  Selaginella wallacei Frederica Bowcutt 1994-6-24 1897 a Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon, Vista Trail about 1/2 way between Bald Mtn. Trail and Headwater Trail. 566 Comment
  RSA790297  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma Laguna Lake, Chilano Valley. Comment
  UC1084374  Senecio vulgaris G. Thomas Robbins 1937-3-27 47 Sonoma Santa Rosa Comment
  CAS-BOT-BC80324  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Near Santa Rosa Comment
  CAS-BOT-BC240155  Setaria pumila John Thomas Howell 1957-9-26 32976 Sonoma Sandy Russian River bottom near Guerneville Comment
  UCR275255  Sidalcea Peter Rubtzoff 1971-6-5 6509 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  SBBG4709  Sidalcea H. and M. Dearing 1939-5-14 3346 Sonoma near Healdsburg Comment
  UC871431 Image available Sidalcea calycosa Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  RSA6147  Sidalcea calycosa subsp. calycosa Carl B. Wolf 1933-6-26 s.n. Sonoma 1-4/10 miles above the power plant house on road to Camp Nelson. Upper Tule River 1037 Comment
  UC796565  Sidalcea diploscypha Roxana S. Ferris and Laura Lorraine 1948-6-9 11662 Sonoma on road to Kellogg 11 mi from Geyserville; 11 mi from Geyserville Comment
  UC871442  Sidalcea diploscypha Alice Eastwood 1915-6-5 4586 Sonoma Petrified Forest Comment
  SEINET6947341  Sidalcea malviflora subsp. rostrata W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Southern portion of county, coast, about 1.3 miles north of Salmon Creek. Comment
  CAS-BOT-BC213165  Sidalcea oregana subsp. valida Peter Rubtzoff 1973-9-9 7312 Sonoma Kenwood Marsh Comment
  JEPS83543  Sidalcea oregana subsp. valida Jack and Betty Guggolz 1987-8-29 893 Sonoma w end Kenwood Marsh (about 50 m e of the Warm Springs Road) Comment
  CAS-BOT-BC320544  Silene Peter Rubtzoff 1974-5-25 7456 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC251240  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC311803  Silene Peter Rubtzoff 1974-5-19 7444 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads, near the end of Hall Road. Comment
  JEPS50892  Silene californica M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 235 Sonoma near Guerneville; Russian River, near Guerneville Comment
  UC1137921  Silene californica H. S. Yates 1934-4-22 3863 Sonoma near Petrified Forest; Calistoga Quad., near Petrified Forest Comment
  UC1299501  Silene californica Freed W. Hoffman 1947-5-30 554 Sonoma Layton Mine North Coast Ranges, , Layton Mine (Austin Creek) Comment
  JEPS128281  Silene coniflora Roger Raiche 2005-4-22 018 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD98647  Silene gallica Mary M. Hektner; Sue Dakuzaku 1974-6-3 14 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD98639  Silene gallica Valerie Bullock; Erik Beever 1993-5-8 241 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Ponygate Trail on path next to meadow. 365 Comment
  SEINET4856109  Silene grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC5809  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodgea Point Comment
  SEINET11993494  Sisymbrium officinale F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -177 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  SEINET7040133  Sisyrinchium bellum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  RSA94316  Sisyrinchium californicum Peter Rubtzoff 1951-6-7 135 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  UCSB913  Sisyrinchium californicum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 mile north of Sousa Corners 60 Comment
  CAS-BOT-BC164064  Solanum Peter Rubtzoff 1960-6-25 4521 Sonoma Laguna de Santa Rosa, east of Graton (between Occidental and Guerneville Roads). Comment
  CAS-BOT-BC164409  Solanum Peter Rubtzoff 1959-8-30 4251 Sonoma Drake's Beach, near Guerneville. Comment
  CAS-BOT-BC166966  Solanum Peter Rubtzoff 1959-8-30 4249 Sonoma Drake's Beach, near Guerneville. Comment
  CAS-BOT-BC166973  Solanum Peter Rubtzoff 1958-9-20 3994 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 miles north Guerneville Road). Comment
  NY751859  Solanum americanum L. R. Landrum 1992-12-26 7807 Sonoma Near Bodega Bay. 6 Comment
  RSA190696  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma On 1/2 acre of sandy loam in apple orchard, 1605 Laguna Rd., Sebastopol. Comment
  SEINET6185639  Solanum nigrum Unknown 1970-8-21 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC376420  Solidago Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  CAS-BOT-BC365262  Solidago velutina subsp. californica J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  UC1070227  Solidago velutina subsp. californica J. B. Spring 1932-6-25 86 Sonoma 2 mi n Agua Caliente; Napa Quad. 243 Comment
  CAS-BOT-BC173832  Soliva sessilis Peter Rubtzoff 1971-5-8 6444 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC173844  Soliva sessilis Peter Rubtzoff 1969-6-22 6101 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC365956  Soliva sessilis G. DeNevers 1981-4-11 688 Sonoma Pepperwood Ranch. Lower orchard Comment
  CAS-BOT-BC365961  Soliva sessilis Catherine Best 1984-4-22 930 Sonoma At the Buena Vista Winery about 1 mile south of Sonoma Comment
  CAS-BOT-BC365964  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True 1981-5-14 54023 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CDA8805  Soliva sessilis G. D. Barbe 1982-5-27 3618 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  CAS-BOT-BC164385  Sonchus Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC374526  Sonchus asper John Thomas Howell 1932-9-18 10776 Sonoma Kenwood Marsh Comment
  UCD133992  Sonchus asper subsp. asper Frederica Bowcutt 1996-5-24 2171 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road near entrance. Comment
  CAS-BOT-BC374743  Sonchus oleraceus Mary P. Wells 1985-9-9 614 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC236587  Sorghum halepense Mary P. Wells 1984-5-21 264 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  POM232058  Sparganium erectum subsp. stoloniferum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  UCD160215  Spergula arvensis James A. Neilson Jr. 1974-5-1 3059 b Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  CAS-BOT-BC390051  Spergula arvensis Walter Knight; Irja Knight 1963-12-25 432 Sonoma Magnolia & Marshall Aves. Comment
  JEPS51207  Spergula arvensis subsp. arvensis G. G. Frey 1921-12-5 Sonoma Sebastopol Comment
  CAS-BOT-BC258903  Spergularia Peter Rubtzoff 1955-8-7 2035 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC323963  Spergularia Peter Rubtzoff 1971-7-23 6614 Sonoma Laguna, Chileno Valley. Comment
  SD39611  Spergularia macrotheca var. macrotheca Edith A. Purer 1932-7-21 4053 Sonoma Bodega Bay. Comment
  UCR218640  Spergularia marina George K. Helmkamp, E. A. Helmkamp 2010-6-4 16220 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC390976  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  UCD160119  Spergularia rubra James A. Neilson Jr. 1973-6-3 2995 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC376238  Spiranthes porrifolia Greg de Nevers 1995-7-20 10762 Sonoma Field redacted by CAS, contact the data manager for more information 487 Comment
  CAS-BOT-BC534891  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  UC635187  Stachys ajugoides var. rigida H. L. Mason June 1930 5650 Sonoma mouth Gualala River Comment
  UCD125541  Stachys chamissonis Frederica Bowcutt 1984-6-24 437 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg . W of Hwy 1. N of Gerstle Cove along creek. 15 Comment
  SEINET9365554  Stachys rigida Unknown 1994-5-25 Sonoma Bodega Head East Comment
  SEINET12329226  Stachys rigida var. quercetorum W. Knight, Knight, I. 1984-1 5112 Sonoma Sea Ranch Comment
  RSA0062827  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC251171  Stellaria Peter Rubtzoff 1967-8-28 5866 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  UC465523  Stellaria littoralis Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  CAS-BOT-BC251257  Stellaria media Peter Rubtzoff 1958-8-31 3951 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC394957  Stellaria media Walter Knight; Irja Knight 1963-12-25 430 Sonoma Waste places - Marshall & Magnolia Aves., Petaluma Comment
  RSA800341  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC405137  Stellaria nitens G. DeNevers 1982-2-21 1913 Sonoma Hill side above first serpentine road cut, end of canyon. Pine Flat Road. Blm. Comment
  SACT002404  Stipa pulchra M. Wiesendanger 1927-5-5 Sonoma Comment
  UCD167209  Streptanthus James Neilson 1977-4-24 3881 Sonoma Mayacmas Mountains, south flank of Pine Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD167361  Streptanthus James A. Neilson Jr. 1979-6-26 3976 Sonoma Mayacmas Mountans. About 2 1/2 miles northwest of Socrates Mine, 1/4 mile south of highest knoll above the Geysers on ridge that divides Big and Little Sulphur Creeks. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61163  Streptanthus barbiger Roger Raiche 1984-6-10 RR 40212 Sonoma Hot Springs Road west of Cloverdale, 8.6 miles west on Hot Springs Road from its origin at Route 101, across Dry Creek. 198 Comment
  JEPS97636  Streptanthus barbiger Annetta M. Carter 1947-5-30 1843 Sonoma 2 mi. E of Occidental. Comment
  UC963921  Streptanthus barbiger Milo S. Baker 1947-5-30 11775 Sonoma along grade ca 2 mi ne Occidental; North Bay Counties, Harrison Grade Comment
  UC650315  Streptanthus barbiger F. W. Hoffman 1941-6-3 Sonoma Serpentine Island south watershed of Russian River Comment
  UC1292731  Streptanthus brachiatus Freed W. Hoffman 1951-7-30 3831 Sonoma E of Pine Ridge, near Contact Mine Comment
  UCD72522  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma End of Pine Flat Road at Calpine 'The Geysers.' Up fire road 0.1 mile from parking area at gate. 973 Comment
  RSA0121906  Streptanthus glandulosus subsp. secundus Patricia Wilder 1965-6-9 3629 Sonoma 2.5 mi up Los Alamos Road from CA State Hwy 12; Rincon Ridge. North Coast mtn range, Russian River drainage. 305 Comment
  UC1492786  Streptanthus glandulosus subsp. sonomensis Freed W. Hoffman 1947-9-5 1068 Sonoma Dutch Bill Creek North Coast Ranges Comment
  UC1292737  Streptanthus morrisonii Freed W. Hoffman 1947-6-4 1029 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UC936537 Image available Streptanthus morrisonii Freed W. Hoffman 1946-9-26 1020 Sonoma at Layton Chromite Mine, headwaters of Big Austin Creek North Coast Ranges, Big Austin Creek; Big Austin Creek at Layton Chromite Mine, Sonoma Co. Comment
  UCD167337  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma Mayacmas Mountains. On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167367  Streptanthus morrisonii James Neilson Date Unknown 4060 Sonoma Hillside due east of Layton Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1292745  Streptanthus morrisonii Freed W. Hoffman 1950-6-17 3378 Sonoma Steelhead Gulch North Coast Ranges Comment
  UC1102675  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1946-9-26 1020 Sonoma Layton Chromite Mine North Coast Ranges, Big Austin Creek (headwaters of creek); headwaters of Big Austin Creek at Layton Chromite Mine, Sonoma Co. Comment
  UC1492812  Streptanthus tortuosus Freed W. Hoffman 1949-7-9 2849 Sonoma on road from Healdsburg to Geysers 1.4 mi from Geyser-Cloverdale road (ledge 200 ft above road); North Coast Ranges 624 Comment
  CAS-BOT-BC423045  Stylomecon heterophylla L. R. Abrams 1918-4-28 s.n. Sonoma Nr. Burbanks Garden, Santa Rosa Comment
  RSA799980  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  UCD166329  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  UCD166491  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC540810  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC540816  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC269709  Symphoricarpos mollis D. E. Breedlove 1962-6-6 2900 Sonoma Along State Highway 128, 1.5 miles northwest of U. S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC97824  Symphyotrichum chilense Greg de Nevers 1987-1-1 8121 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC97834  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  CAS-BOT-BC221963  Taeniatherum caput-medusae John Thomas Howell; Walter Knight; Irja Knight 1987-5-27 6235 Sonoma Todd Road Preserve 24 Comment
  UC1103198  Taeniatherum caput-medusae Joseph P. Tracy 1935-7-7 14049 Sonoma on road between the Geysers and Geyserville (Northern Coast Ranges); Northern Coast Ranges 609 Comment
  CAS-BOT-BC376876  Taraxacum erythrospermum Peter H. Raven 1950-4-6 1587 Sonoma Santa Rosa 152 Comment
  CHSC63920  Taraxia ovata John Hale 1990-4-10 17 Sonoma 610 m. N. of Stillwater Cove. Meadow. 24 Comment
  SD243313  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter. 2007-5-13 07 288 Sonoma Cavedale Road. 518 Comment
  HSC46827  Teesdalia coronopifolia Chas F. Quibell 1977-3-18 1393 Sonoma SW corner of Fulton and Piner Rds., W Santa Rosa, between Piner Elementary School and the church on Fulton Rd. Comment
  RSA786864  Teesdalia coronopifolia Carrie A. Herd 1982-3-16 236 Sonoma Santa Rosa, S.W. corner of Fulton & Piner Roads Comment
  POM188484  Thalictrum polycarpum Marcus E. Jones 1931-7-5 28900 Sonoma West of Cloverdale. Comment
  RSA800480  Thermopsis californica var. californica Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake Comment
  UCD108604  Thermopsis californica var. californica Frederica Bowcutt; Botany 102 students 1994-5-21 1821 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 426 Comment
  CAS-BOT-BC66824  Thysanocarpus curvipes Elmer I. Applegate 1934-3-25 8847 Sonoma West slope of Mayacama Mountains. Comment
  CAS-BOT-BC67334  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  POM14823  Tonella tenella A. A. Heller, H. E. Brown 1902-4-4 5217 Sonoma Hills east of Santa Rosa Comment
  POM316512  Torilis arvensis Patricia Wilder 1965-6-10 3641 -a Sonoma About one mile from junction of Fort Ross Road and Seaview Road, on Seaview Road 549 Comment
  CAS-BOT-BC81458  Torreya californica D. E. Breedlove 1983-4-11 58694 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC169261  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Sonoma Calistoga Comment
  CAS-BOT-BC169264  Toxicodendron diversilobum D. E. Breedlove 1980-6-28 44801 Sonoma Pepperwood Ranch W of Knights Valley Comment
  POM117572  Toxicodendron diversilobum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC499109  Toxicoscordion fontanum Ann Howald 2015-4-13 3341 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, south shore, c. 300 ft N of intersection Pig Flat and Marsh Trails 363 Comment
  UC2025087  Toxicoscordion fremontii Fayla Schwartz 1991-3-23 162 Sonoma Grassy hillside, east side of Highway 1 (mile 50.59) near the Sea Ranch, just south of Black Point Beach. Comment
  JEPS58985  Tracyina rostrata John Thomas Howell 1967-6-17 42599 Sonoma Arthur E. Cooley ranch, at confluence of Galloway and Dry Creeks, n Sonoma County Galloway Creek, Dry Creek 182 Comment
  UC424809  Tribulus terrestris Milo S. Baker 1929-7 4869 b Sonoma Kenwood; M.S. Baker residence, The Maples Comment
  RSA135372  Trichostema lanceolatum Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale. Comment
  SEINET6165684 Image available Trichostema lanceolatum Unknown 1982-7-1 s.n. Sonoma 2 mi N.E. of Occidental Sonoma Co. Comment
  JEPS63141  Trichostema laxum Milo S. Baker 1923-8-26 443 Sonoma near Geyserville (Russian River) Comment
  UCD125571  Trichostema laxum D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  RSA107423  Trichostema laxum L. S. Rose 1955-7-11 55111 Sonoma 2 mi. E. of Occidental. 244 Comment
  SEINET8729726 Image available Trientalis europaea var. latifolia Martha Meagher 1947-1 102 Sonoma County road one-half mile west of Freezeout Creek, across Russian River from Duncan's Mills. Comment
  CAS-BOT-BC166758  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173640  Trifolium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC290671  Trifolium Peter Rubtzoff 1983-8-28 9683 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  CAS-BOT-BC173531  Trifolium Peter Rubtzoff 1974-5-18 7431 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  POM316686  Trifolium Patricia Wilder 1965-6-10 3650 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  RSA784989  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784990  Trifolium Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCSC006358  Trifolium Randall Morgan 1996-5-30 2980 Sonoma Bodega Bay, Bodega Marine Lab Comment
  CAS-BOT-BC217059  Trifolium amoenum J. W. Congdon 1880-5-1 s.n. Sonoma Santa Rosa Comment
  SBBG40326  Trifolium amoenum R. F. Hoover 1969-5-26 11349 Sonoma 2 mi S of Petaluma on Pt Reyes Rd Comment
  UC249680  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  UCD107140  Trifolium amoenum P. G. Connors 1996-6-5 372 Sonoma Bodega Head and Dunes. Near Horseshoe Cove. Comment
  UCSC011040  Trifolium appendiculatum R. Morgan 2005-5-14 4423 A Sonoma Seed originally from one or two plants in Santa Rosa Comment
  UC58376  Trifolium barbigerum A. A. Heller 1903-4-23 6609 Sonoma Fort Ross Comment
  UC1541604  Trifolium bifidum var. bifidum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  UCD151095  Trifolium bifidum var. decipiens James A. Neilson Jr. 1973-6-3 2989 Sonoma Mayacmas Mountains. The Geysers. Site I. In Geyser Canyon. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  SEINET6934959  Trifolium depauperatum var. amplectens A. G. Vestal, Wanda P. Vestal 1962-4-12 s.n. Sonoma Mark West Springs road toward Calistoga, 6.4 miles northeast of Route 101 or 10 miles north of Santa Rosa. Comment
  UC16467  Trifolium depauperatum var. depauperatum Michener and Bioletti 1892-5-1 Sonoma Schellville Comment
  UCSC005278  Trifolium depauperatum var. hydrophilum Randall Morgan 1995-5-18 2617 Sonoma Santa Rosa, Stony Point Road, across from Yuba Drive Comment
  UCD151176  Trifolium dichotomum James A. Neilson Jr. 1974-4-16 2843 Sonoma Mayacmas Mountains. The Geysers. Near sulphur bank number 13, geothermal wells 1 and 3. (Elevation estimated using Google Earth by label maker.) 487 Comment
  CHSC90392  Trifolium fucatum Elizabeth L. Knight 1988-4-1 6 Sonoma Ca. .25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UC631613  Trifolium fucatum P. B. Kennedy 1928-5-13 10151 Sonoma Sonoma to San Rafeal hwy Comment
  RSA90940  Trifolium fucatum F. W. Peirson, Mabel B. Peirson 1926-4-1 6551 Sonoma 6 miles south of Cloverdale. Comment
  UC16556  Trifolium gracilentum H. N. Bolander 1864-4-17 3804 Sonoma bank of Santa Rosa Creek Comment
  UCD37563  Trifolium grayi Beecher Crampton 1955-4-5 2410 Sonoma 2 miles north of Trenton, Mark West Station Road. Comment
  SEINET12165543  Trifolium hirtum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -159 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  UCD165136  Trifolium hydrophilum Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCSC009060  Trifolium hydrophilum Randall Morgan 1995-5-25 2743 Sonoma Viansa Vineyard Comment
  RSA120928  Trifolium incarnatum Milo S. Baker 1957-05 13175 Sonoma Santa Rosa. Hwy 101 near S. F. State College. Comment
  SEINET12165542  Trifolium incarnatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -158 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd., between Jimtown & Mercuryville 120 Comment
  UC1177072  Trifolium microcephalum Peter H. Raven 1951-4-22 2782 Sonoma e Agua Caliente (hills) Comment
  UCR248354  Trifolium microcephalum Peter Rubtzoff 1983-8-28 9683 Sonoma Austin Creek, c. 0.5 mi. north of Hwy 116 on Cazadero Road 15 Comment
  UCR255047  Trifolium microcephalum Greg de Nevers 1998-5-12 11248 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD111372  Trifolium microcephalum P. G. Connors 1995-6-2 347 Sonoma Near old Gaffney ranch house site, near BML housing. Comment
  UCD160308  Trifolium obtusiflorum James A. Neilson Jr. 1975-5-23 3202 Sonoma Truit Creek on Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET12165539  Trifolium subterraneum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -194 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UCD109385  Trifolium subterraneum Curtis Daehler; Ngan Lu 1993-5-8 271 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 411 Comment
  UCD109332  Trifolium tomentosum P. G. Connors 1966-5-12 366 Sonoma west of Sonoma Creek, 8 km south of Sonoma. Comment
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Feb 19 2013
  UCD84286  Trifolium variegatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  POM18721  Trifolium variegatum var. major D. C. Michener, F. T. Bioletti 1893-05 s.n. Sonoma Kenwood. Comment
  RSA244728  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC424772  Trifolium variegatum var. melananthum Milo S. Baker May 1929 3597 b Sonoma near White School Comment
  JEPS86764  Trifolium willdenovii Jack and Betty Guggolz 1990-6-18 1072 Sonoma ca 11 km e Healdsburg (ne facing road-cut); Ferrari-Carano Ranch 228 Comment
  POM21427  Trifolium willdenovii A. A. Heller, H. E. Brown 1902-4-9 5238 Sonoma Three Miles South of Healdsburg. Comment
  RSA19276  Trifolium wormskioldii Jens Clausen 1935-5-24 1091 Sonoma 6.2 miles south of Jenner. Comment
  UC555362  Trifolium wormskioldii H. L. Mason 1930-6-1 5648 Sonoma mouth of Gualala River Comment
  CAS-BOT-BC451944  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay 1 Comment
  CAS-BOT-BC451941  Triglochin maritima Peter Rubtzoff 1955-8-6 2023 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC451982  Triglochin striata Peter Rubtzoff 1973-9-15 7328 Sonoma Lower Salmon Creek Marsh. Slough just east of Hwy. 1. Comment
  UCR5896  Trillium chloropetalum Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay region, Sebastopol, residence on 692 Sparks Road 73 Comment
  CAS-BOT-BC519100  Trillium chloropetalum var. chloropetalum Greg de Nevers 1993-3-24 10332 Sonoma Wimar Canyon, 3450 Franz Valley, Pepperwood Ranch Natural Preserve 304 Comment
  SEINET12048688  Trillium ovatum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -158 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  UCD139914  Trillium ovatum Jo Nixon 1951-3-24 7 Sonoma two miles east of Duncan Mills, south bank of Russian River. Comment
  CHSC33029  Triphysaria eriantha Jane A. Rogers 1979-4-14 8 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  JEPS77250  Triphysaria eriantha subsp. eriantha Robert M. Lloyd 1963-4-24 2389 Sonoma at Highway 12 and road to Oakdale 7.8 mi n Sonora 152 Comment
  CHSC57521  Triphysaria eriantha subsp. rosea John Hale 1990-4-10 18 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  UC726328  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1940-4-22 15555 Sonoma in a grassy field at Windsor Comment
  UCSB22950  Triphysaria versicolor subsp. faucibarbata McCarthy, Sharon 1965-4-17 Sonoma West of 5th Street opposite Betancourt Street Intersection 25 Comment
  UC1133278  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 1 mi nw Mountain View School; Sebastopol Quad. 91 Comment
  UCD93496  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  JEPS77861  Triteleia hyacinthina Robert M. Lloyd 1965-5-8 2625 Sonoma 3 mi n junction Highway 12 with Aqua Caliente Road (meadow across from Lawrence Triangle End Garage) Comment
  CAS-BOT-BC522356  Triteleia hyacinthina Peter Rubtzoff 1959-5-31 4087 Sonoma Freestone Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC522361  Triteleia hyacinthina Peter Rubtzoff 1966-6-5 5762 A Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerville roads. Comment
  CAS-BOT-BC522364  Triteleia hyacinthina Peter Rubtzoff 1951-6-9 167 Sonoma Lower part of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  POM221986  Triteleia hyacinthina W. C. Merrill 1895-05 s.n. Sonoma Ross Station [or Marin Co.] Comment
  JEPS27969  Triteleia laxa Rimo Bacigalupi, and L. Heckard 1961-6-9 7739 Sonoma 1.75 mi sw Occidental (at the junction of Joy Road and Bittner Road) 249 Comment
  SEINET7067336  Triteleia laxa A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles East of Windsor on Mendocino Avenue. Coordinate datum: NAD27. UTM Zone 10, 523728mE, 4258330mN. Comment
  CAS-BOT-BC527043  Triteleia laxa John Thomas Howell 1931-6-15 6689 Sonoma Near Sebastopol Comment
  CAS-BOT-BC80205  Tsuga heterophylla B. F. Smith 1962-10-24 29 Sonoma 3.5 miles southeast of Gualala 182 Comment
  CAS-BOT-BC258006  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC403979  Urtica dioica subsp. gracilis Peter Rubtzoff 1951-8-26 672 Sonoma Hills south of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC403988  Urtica dioica subsp. gracilis Mary P. Wells 1984-8-9 438 Sonoma Near South Fork of Gualala River, the Hot Spot, The Sea Ranch Comment
  CAS-BOT-BC404222  Urtica dioica subsp. holosericea Peter Rubtzoff 1971-9-3 6690 Sonoma Along southeastern border of Spring Creek Reservoir area Comment
  CAS-BOT-BC404238  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-6-24 5386 Sonoma Coleman Marsh Comment
  RSA620420  Urtica dioica subsp. holosericea Peter Rubtzoff 1960-9-17 4566 Sonoma Laguna de Santa Rosa, northeast of Graton (near Buerneville Road). Comment
  CAS-BOT-BC404229  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-9-13 5503 Sonoma Clear Lake State Park, along Cole Creek Comment
  CAS-BOT-BC199471  Vaccinium parvifolium John Thomas Howell 1930-7-27 5395 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC199474  Vaccinium parvifolium Mrs. H. P. Bracelin 1930-7-27 s.n. Sonoma One mile N. of Fort Ross Comment
  CAS-BOT-BC76170  Vancouveria planipetala Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  SD88335  Vancouveria planipetala Darley F. Howe 1972-5-1 Sonoma Duncan Mills Pond 149 Comment
  CAS-BOT-BC76169  Vancouveria planipetala M. S. Baker 1899-5-6 s.n. Sonoma Green Valley, near Gallagher's. Comment
  UC558486  Veratrum fimbriatum Elizabeth E. Morse 1936-8-30 Sonoma Gualala River Comment
  CAS-BOT-BC156317  Verbascum Peter Rubtzoff 1962-6-22 4959 Sonoma Fife Creek Marsh Comment
  RSA201200  Verbascum virgatum Walter Knight, Pat Watters 1963-7-19 s.n. Sonoma Gravenstein Highway inersection with US 101 Freeway, Cotati. Comment
  CAS-BOT-BC157663  Veronica Peter Rubtzoff 1962-5-6 4809 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC269311  Veronica Peter Rubtzoff 1971-5-8 6429 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC166672  Veronica americana Peter Rubtzoff 1954-6-6 1460 Sonoma Guerneville Marsh. Comment
  RSA0021068  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1966-4-17 5680 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  JEPS66217  Veronica scutellata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6906 Sonoma Pitkin Marsh Comment
  UCD124784  Veronica scutellata Malcolm A. Knobs; S. Galen Smith 1949-8-1 1107 Sonoma 2 miles E of Stewart's Point on road to Geyserville. Comment
  UC1010375  Viburnum ellipticum Milo S. Baker Apr 1932 5904 Sonoma near beginning Adobe Canyon (Ward Road, opposite M. S. Baker Ranch) Comment
  UCD108794  Vicia lutea Frederica Bowcutt 1994-6-12 1849 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Rd. Trail head for Pony Gate Trail near kiosk and visitor center. 411 Comment
  RSA51333  Vicia sativa Peter H. Raven 1950-4-6 1585 Sonoma Cotati to Santa Rosa Comment
  UC673605  Vicia sativa subsp. nigra Herbert L. Mason 1926-3-20 2750 Sonoma s of Calistoga (marshes, along railroad right-of-way) Comment
  RSA0057958  Vicia villosa subsp. villosa Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  UC1763362  Viola adunca Milo S. Baker 1898-3-15 5502 Sonoma near Sebastopol Comment
  UC1761569  Viola douglasii Helen Von Grafen 1927-3-25 Sonoma Santa Rosa golf course Comment
  JEPS128262  Viola ocellata Roger Raiche 2000-4-15 036 .00 Sonoma The Cedars. Azalea Creek, The Blob area, Beargrass Gulch. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS76916  Viola sempervirens Robert M. Lloyd 1963-2-24 2048 Sonoma 0.5 mi n of Occidental (on road to Camp Meeks, abandoned picnic ground) 45 Comment
  SEINET4926724  Viola sempervirens Unknown 1994-4-3 76 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  RSA262373  Viscum album Jesse Dubin 1971-3-4 s.n. Sonoma Near Sebastopol. Comment
  SBBG40537  Viscum album L. S. Rose 1966-5-8 Sonoma ca. 1 mi from Sebastopol on Gravenstein Hwy N Comment
  HSC95746  Vitis californica C. Wistrom 1996-5-26 25 Sonoma 1601 Dry Creek Rd. 49 Comment
  POM127692  Vitis californica L. R. Abrams 1922-6-21 8099 Sonoma Healdsburg to Cloverdale. Comment
  SD99424  Vitis californica Christopher Davidson 1977-6-20 6003 Sonoma Dry Cr. Rd, 7.2 mi. W of Geyserville, along Warm Spgs. Cr. 75 Comment
  SEINET10691484  Vitis californica Henry N. Bolander 1866-1 Bolander s.n. Sonoma River at Cloverdale, Calif. Comment
  UCD17105  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma On highway near Hilton, 2 miles E of Korbel on Russian River. Comment
  UCD17551  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Comment
  CAS-BOT-BC199903  Vulpia bromoides G. DeNevers 1981-5-11 1123 Sonoma At the Red Corral, The old McCann Homestead Comment
  CAS-BOT-BC199909  Vulpia bromoides Peter Rubtzoff 1955-5-21 1878 Sonoma Ross Marsh Comment
  UCD93529  Vulpia bromoides Mary M. Hektner 1974-5-27 9 Sonoma south of Whaler's Ranch, Unit 7 Owner's Map, Sea Ranch, near State Hwy 1. Comment
  UCD93551  Vulpia bromoides P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Retrified Forest Road. Comment
  CAS-BOT-BC199969  Vulpia microstachys var. ciliata John Thomas Howell 1943-4-18 17924 Sonoma Hills east of Aqua Caliente Comment
  CAS-BOT-BC199970  Vulpia microstachys var. ciliata John Thomas Howell 1948-4-18 24205 Sonoma Hills east of Aqua Caliente Comment
  UCD93733  Vulpia microstachys var. ciliata A. A. Beetle; G. L. Stebbins 1942-6-4 3586 Sonoma near Occidental. Comment
  UCD94793  Vulpia myuros Hursh 1919-6-12 3247 Sonoma Santa Rosa. Comment
  CAS-BOT-BC185829  Vulpia myuros subsp. megalura Peter Rubtzoff 1963-5-26 s.n. Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC185835  Vulpia myuros subsp. megalura G. DeNevers 1981-5-15 1202 Sonoma Grazed shore of Hansel's Lake Comment
  CAS-BOT-BC178600  Vulpia myuros var. myuros G. De Nevers 1981-5-26 1328 Sonoma Garrison Canyon - Pepperwood Ranch Comment
  UC903741  Vulpia octoflora var. glauca Milo S. Baker 1947-4-22 11692 Sonoma w slope Hood Mt. (along trail towards cliffs from residence of Mr. Gray) Comment
  CAS-BOT-BC128705  Whipplea modesta Walter Knight; Irja Knight 1964-1-17 518 Sonoma Hooker Canyon, Cavedale Rd. Comment
  JEPS76929  Whipplea modesta Robert M. Lloyd 1963-2-24 2050 Sonoma 0.5 mi n Occidental (on road to Camp Meeks, abandoned picnic ground) 45 Comment
  SD88336  Whipplea modesta Darley F. Howe 1972-5-1 Sonoma Duncan Mills Pond 152 Comment
  UC971949  Whipplea modesta Martha Meagher 1947-4-6 101 Sonoma on county road 1/2 mi w Freezeout Creek (across Russian River from Duncan's Mills) Comment
  SEINET8729185 Image available Whipplea modesta Martha Meagher 1947-1 101 Sonoma On county road one-half mile west of Freezeout Creek across Russian River from Duncan's Mills Comment
  CAS-BOT-BC73581  Woodwardia fimbriata Peter Rubtzoff 1960-5-16 4356 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC383259  Wyethia angustifolia Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC912509  Wyethia angustifolia Herbert L. Mason 1934-4-28 8073 Sonoma head Dohrman's Creek; Jensen's Ranch Comment
  CAS-BOT-BC383253  Wyethia angustifolia L. Beane; Lois E. James 1949-5-11 1944 Sonoma 3 mi. S. of Healdsburg Comment
  SEINET12271172  X Agropogon lutosus Unknown 1940-1 1012 Sonoma behind Fountaingrove Vineyard 3 mi N of Santa Rosa along Hwy 101 Comment
  CAS-BOT-BC382166  Xanthium spinosum Greg de Nevers 1987-7-10 8231 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC383804  Xanthium strumarium John Thomas Howell 1946-8-17 22853 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC529138  Xerophyllum tenax Greg de Nevers 1990-10-2 9684 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  RSA276860  Zantedeschia aethiopica Peter Rubtzoff 1962-9-9 5077 Sonoma Brooks Gulch Marsh. Comment
  SEINET7042392  Zigadenus exaltatus A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC66141  Zigadenus fremontii A. A. Heller 1902-3-21 5118 Sonoma near Santa Rosa Comment
  CAS-BOT-BC530600  Zigadenus fremontii Milo S. Baker 1920-1-1 5191 Sonoma North slope Taylor Mt. Comment
  CAS-BOT-BC530622  Zigadenus fremontii F. G. Kraus 1895-5-6 s.n. Sonoma near Frauzr and Knights Valleys Comment
  CAS-BOT-BC532730  Zigadenus fremontii A. A. Heller; H. E. Brown 1902-3-14 s.n. Sonoma Near Windsor Comment



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