Search Results — 2000 specimen records retrieved (1264 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78078  Abies grandis John Thomas Howell 1930-7-27 5398 Sonoma canyon 1 mile north of Fort Ross Comment
  POM180771  Abies grandis J. T. Howell 1930-7-27 5398 Sonoma Canyon 1 mile N of Fort Ross. Comment
  RSA0025771  Abronia latifolia E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC332751  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  CAS-BOT-BC332797  Acer macrophyllum Irja Knight; Walter Knight 1964-11-15 785 Sonoma Hood's Peak at Johnson Lake Comment
  JEPS77871  Acer macrophyllum Robert M. Lloyd 1965-5-8 3634 Sonoma corner of Pressley Road and Sonoma Mt. Road w Glen Ellen; w of Glen Ellen Comment
  UCD117035  Acer macrophyllum Loredo-Prendeville; Canon 1993-4-24 53 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. Road at confluence of Sonoma and Bear Creeks. 195 Comment
  POM136900  Acer negundo subsp. californicum A. A. Heller, H. E. Brown 1902-4-15 5303 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC336941  Acer negundo var. californicum Peter Rubtzoff 1970-8-31 6347 Sonoma In thicket along sandy bank of Russian River at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC29161  Achyrachaena mollis Mrs. H. C. Cantelow 1936-5-3 1248 Sonoma Near Shellville Comment
  SD37777  Acmispon americanus Edith A. Purer 1932-7-24 4071 Sonoma Canyon west of Santa Rosa Comment
  JEPS128383  Acmispon americanus var. americanus Roger Raiche 2000-7-24 141 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128216  Acmispon brachycarpus Roger Raiche 2000-5-4 057 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD104032  Acmispon brachycarpus Frederica Bowcutt 1996-3-24 2084 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. About 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  OBI12974  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9288 Sonoma Timber cove Comment
  OBI12975  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9289 Sonoma Timber cove Comment
  NY380621  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  HSC100949  Acmispon grandiflorus Peter Warner, Jason Martinez 2011-4-27 188 Sonoma Jenner Headlands, Kidd Creek watershed, near ridge-top along road. 285 Comment
  UCD35511  Acmispon junceus var. biolettii Beecher Crampton 1957-7-22 4370 Sonoma State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  UCD104330  Acmispon parviflorus Helen K. Sharsmith 1963-5-25 5475 Sonoma Road from Freestone to Occidental. 121 Comment
  UC635414  Actaea rubra H. L. Mason 1928-7-11 4891 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC29848  Adenocaulon bicolor Volney Rattan 1877-6-18 s.n. Sonoma Guerneville Comment
  UC466769  Adenostoma fasciculatum W. P. Taylor 1913-6-23 Sonoma 7 mi. w. Cazadero (e. side <________ Niestrath's ?>) Comment
  SEINET5501068 Image available Adenostoma fasciculatum Sally Walker 1981-1 Sonoma Franz Valley Rd, 1/10 mi N of 7 V. School Rd. Comment
  UCD168037  Adiantum jordanii James A. Neilson Jr. 1981-3-13 3990 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. (Coordinates, location, and elevation estimated by label maker.) Comment
  HSC937  Adiantum jordanii F. Demostene 1966-4-8 33 Sonoma 25 mi. W of Healdsburg Comment
  UCD137211  Adiantum jordanii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 56 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. Comment
  OBI70692  Aesculus californica Tracey & Viola Call, Viola Call 1961-6-10 2072 Sonoma On Russian river near Forestville 61 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-BC121  Agastache urticifolia var. glaucifolia Amos Arthur Heller 1902-6-28 5792 Sonoma Between Knight's Valley and Mark West Springs Comment
  UCD128637  Agoseris apargioides var. apargioides P. G. Connors 1992-5-14 257 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  RSA178622  Agoseris apargioides var. eastwoodiae Roxana S. Ferris 1932-5-27 8258 Sonoma Cliffs at upper end of Bodega Bay Comment
  UCD159446  Agoseris apargioides var. eastwoodiae D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 203 Sonoma Bodega head. Sonoma coast state beach. Cliff overlooking sea. Abundant. 20 Comment
  CAS-BOT-BC210013  Agrostis Peter Rubtzoff 1968-6-25 5911 Sonoma Lichan Marsh. Comment
  UCD163998  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  UCD164001  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca. 1 air mi. WSW of Cunningham Station. Comment
  CAS-BOT-BC127550  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek Comment
  HSC83439  Agrostis blasdalei Mary M. Hektner 1975-6-2 195 Sonoma Sea Ranch, near State Hwy. 1, E of Walk-on Beach. Comment
  UCD103560  Agrostis blasdalei John Thompson 2008-5-8 s.n. Sonoma Off the coast opposite Sea Ranch. On largest rock island opposite Shell Beach. Land owned by BLM. 5 Comment
  UCD37163  Agrostis blasdalei Beecher Crampton 1957-7-22 4394 Sonoma Sonoma County, 0.25 mile north of Fort Ross, along State Highway 1. Comment
  UCD51839  Agrostis blasdalei Beecher Crampton 1957-7-22 4390 Sonoma above Stillwater Cove, State Hwy. 1, 11.1 miles south Stewart's Point. Comment
  SEINET7297568 Image available Agrostis blasdalei Beecher Crampton 1957-1 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek Comment
  CAS-BOT-BC127485  Agrostis capillaris D. E. Breedlove 1980-6-28 44790 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  SEINET249772  Agrostis clivicola Beecher Crampton 1957-7-11 4351 Sonoma 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD37156  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD52002  Agrostis densiflora Beecher Crampton 1957-7-11 4332 Sonoma Sonoma Coast State Park, 0.9 mile north of Salmon Creek. Comment
  JEPS97573  Agrostis exarata R. D. Stone 1983-6-16 554 Sonoma the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  POM207134  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa Comment
  SEINET7593690 Image available Agrostis exarata A. S. Hitchcock 1908-1 2690 Sonoma Willits Comment
  UC53476  Agrostis exarata Jos. Burtt Davy Jul 1896 Sonoma Russian River Comment
  UCD36636  Agrostis exarata Beecher Crampton 1955-6-8 2830 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD52126  Agrostis exarata Beecher Crampton 1956-6-26 3619 Sonoma about 8 miles northwest of Calistoga, State Hwy. 120. Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD52238  Agrostis exarata var. pacifica Beecher Crampton 1957-7-22 4361 Sonoma along State Hwy. 1, 8.0 miles north of Stewart's Point. Comment
  CAS-BOT-BC139120  Agrostis oregonensis Peter Rubtzoff 1951-6-7 124 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC138925  Agrostis pallens G. DeNevers 1981-6-18 1574 Sonoma Pepperwood Ranch. In Hansel's grazed Oak Woodland. Comment
  CAS-BOT-BC539342  Agrostis pallens Frederica Bowcutt 1994-6-12 1856 Sonoma Sugarloaf Ridge State Park, about 50 air mi N of San Francisco, 10 air mi E of Santa Rosa, 1.5 air mi N of Kenwood, and 18 air mi NW of Napa; Adobe Canyo N of Sonoma Creek, N of Adobe Canyon Rd, at Pony Gate trail jct 432 Comment
  UCD53197  Agrostis pallens R. Tofsrud 1951-6-1 s.n. Sonoma summit of Oakville to Kenwood road. Comment
  UC1023593  Agrostis stolonifera Virginia Bufford 1936-5-22 399 Sonoma 4 mi n Stewarts Point (Hwy 1) Comment
  RSA94459  Agrostis stolonifera Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh, near Forestville, between the Upper and the Lower marshes Comment
  CAS-BOT-BC47988  Ailanthus altissima Greg de Nevers 1992-6-26 10185 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  CAS-BOT-BC47989  Ailanthus altissima Catherine Best 1984-9-27 1049 Sonoma Grwoing along the road to the Buena Vista Winery, south of the town of Sonoma. Comment
  RSA94464  Aira caryophyllea Peter Rubtzoff 1951-6-16 230 Sonoma Lower part of the upper marsh. Comment
  UC903759  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch (sw slope of mt.); Mt. Hood 213 Comment
  CAS-BOT-BC182739  Alisma Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point Comment
  UCD137911  Alisma lanceolatum Ellen Dean 2006-6-28 3179 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  CAS-BOT-BC445340  Alisma lanceolatum Peter Rubtzoff 1954-8-12 1696 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445344  Alisma lanceolatum Peter Rubtzoff 1956-9-21 2932 Sonoma Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  RSA790061  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC445459  Alisma triviale John Thomas Howell 1947-6-26 23310 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC445469  Alisma triviale Peter Rubtzoff 1962-9-9 5076 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC445473  Alisma triviale Volney Rattan 1879-1-1 s.n. Sonoma Healdsburg Comment
  SEINET11764780  Alisma triviale W. Knight, Knight, I. 1984-1 6352 Sonoma Wallow Brook between Corona Road and Redwood Highway 8 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-BC462381  Allium amplectens Milo S. Baker 1927-6-10 2211 a Sonoma Macartney Woods Comment
  CAS-BOT-BC469106  Allium dichlamydeum L. R. Abrams 1920-7-3 7630 Sonoma near Stewart's Point 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
  OBI49238  Allium falcifolium F. T. Bioletti 1892-1 s.n. Sonoma Comment
  UC1084425  Allium peninsulare var. franciscanum G. Thomas Robbins 1938-7-4 271 Sonoma ocean cliffs ca. 3 mi. n. Bodega Bay Comment
  CAS-BOT-BC474313  Allium unifolium Greg de Nevers 1992-4-29 10127 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In streambed above Rogers 475 Comment
  CAS-BOT-BC453448  Allotropa virgata Hugh Leech 1966-5-30 s.n. Sonoma Ida Clayton Road summit, at Lake Co. line 807 Comment
  CAS-BOT-BC251179  Alnus Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC169655  Alnus rhombifolia Peter Rubtzoff 1960-6-9 4488 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC169363  Alnus rubra Peter Rubtzoff 1957-6-28 3386 Sonoma Duncans Mills Marsh, upper part of the marsh Comment
  CAS-BOT-BC138040  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1962-6-13 4895 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC138043  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-8-13 2045 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC138044  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1951-6-10 200 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes. Comment
  UCD55892  Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1.5 miles east of Occidental. 91 Comment
  JEPS45802  Alopecurus saccatus Eleanor Armstrong 1932-6-4 186 Sonoma 5 mi. w. Graton (<Schlackey> Flat) 30 Comment
  UCD33095  Alopecurus saccatus Beecher Crampton 1966-5-10 7726 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  RSA234559  Amaranthus powellii Peter Rubtzoff 1956-9-14 2878 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  JEPS117084  Amelanchier alnifolia var. semiintegrifolia Peter Warner 2010-4-15 133 Sonoma Jenner Headlands, Sonoma Land Trust property, ~ 300 m E of primary access road (Willig Ave. extension), at corral gate near house, ~ 1 km N of Jenner village, on rock outcrop in grassland. Comment
  CAS-BOT-BC154139  Ammannia Peter Rubtzoff 1972-8-26 6860 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC154124  Ammannia coccinea Peter Rubtzoff 1956-9-16 2922 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC137882  Ammophila arenaria W. M. Hiesey 1945-9-21 551 a Sonoma Bodega sand dunes. Comment
  UC400144  Amorpha californica var. napensis Ynes Mexia 1929-6-2 2390 Sonoma canyon near Mark West Springs Comment
  CAS-BOT-BC222278  Amsinckia John Thomas Howell 1934-3-25 11777 Sonoma Lakeville Comment
  CAS-BOT-BC222281  Amsinckia John Thomas Howell 1934-3-26 11787 Sonoma Southwestern base of Mt. Hood Comment
  UC1278041  Amsinckia intermedia Beecher Crampton 1955-4-5 2420 Sonoma 2 mi n Petaluma (along US Hwy 101) Comment
  RSA0089717  Amsinckia intermedia L. S. Rose 1952-4-18 62027 Sonoma Petaluma. 6 Comment
  UC1084548  Amsinckia spectabilis Peter Kamb 1952-5-30 2300 Sonoma n of Bodega Head (dunes between Bodega Harbor and the ocean) 6 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
  UCD117445  Anagallis arvensis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 32 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD159444  Anaphalis margaritacea D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 201 Sonoma Near Sonoma state beach hiking trail. Abundant. 40 Comment
  UCD56062  Andropogon glomeratus var. pumilus Virginia Bufford 1936-8-18 413 Sonoma Pitkins Marsh, Vine Hill District. Comment
  CAS-BOT-BC137786  Andropogon virginicus var. virginicus Peter Rubtzoff 1951-9-15 754 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. Comment
  UC1011022  Andropogon virginicus var. virginicus Virginia Bufford 1935-9-8 77 Sonoma Pitkins Marsh Comment
  POM188472  Angelica californica Marcus E. Jones 1931-7-5 29050 Sonoma Cloverdale. Comment
  UCD128892  Anisocarpus madioides Botany 102 Students 1993-5-8 205 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon. Comment
  UCD128899  Anisocarpus madioides J. M. Tucker 1951-6-26 2135 Sonoma near summit of range, road from Glen Ellen to Oakville. Comment
  CAS-BOT-BC102232  Anthemis cotula A. A. Heller 1902-6-10 s.n. Sonoma Santa Rosa Comment
  UCD148386  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD166185  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  POM261545  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  UCD56141  Anthoxanthum aristatum M. S. Baker 1936-4-1 248 Sonoma highway north of Windsor. Comment
  SD192846  Anthoxanthum occidentale John A. Churchill 1975-5-1 745146 Sonoma On west side of Camp Meeker. Comment
  CAS-BOT-BC137688  Anthoxanthum odoratum Peter Rubtzoff 1960-5-16 4348 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  JEPS103955  Antirrhinum vexillocalyculatum subsp. breweri Jack and Betty Guggolz 1991-6-20 1193 Sonoma ridge running W from an old homesite, about 1 1/4 mi N of Camp Meeker 161 Comment
  JEPS83374  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma e side Fitch Mt. (just s of resort area on e side, Healdsburg); Healdsburg, Healdsburg Quad. (7.5', 1955) 45 Comment
  JEPS83376  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 327 Sonoma 5.4 mi up Old Cazadero Road (via Cherry Street) from Hwy 116 (in the town of Guernewood Park); Guernewood Park, Cazadero Quad. (7.5', 1943) 243 Comment
  UC421606  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum John Thomas Howell 1929-6-30 4319 Sonoma 4 mi from Petrified Forest (on road to Knights Valley) Comment
  CAS-BOT-BC248902  Antirrhinum virga Roger Raiche 1985-6-30 RR 50574 Sonoma Unnamed ridge on west side of Dry Creek Valley north of Crane Creek and south of Bradford Mt., at headwaters of Grape Creek 304 Comment
  CAS-BOT-BC457590  Aphanes occidentalis G. DeNevers 1981-5-14 1147 Sonoma Pepperwood Ranch, Pippindale Garden. Comment
  UC188198  Apiastrum angustifolium Michener and Bioletti June 1893 Sonoma Hoods Peak Comment
  UC1125882  Aquilegia formosa E. Armstrong 1934-3-26 947 Sonoma Camp Meeker Sebastopol Quad. 60 Comment
  CAS-BOT-BC394995  Aquilegia formosa Volney Rattan 1877-1-1 s.n. Sonoma Cloverdale Comment
  UC1084439  Arbutus menziesii G. Thomas Robbins 1940-3-21 299 Sonoma 5-6 mi e of Windsor (along Chalk Hill Road); Chalk Hill Road 91 Comment
  JEPS98885  Arctostaphylos James Roof 1967-3-19 Sonoma W of Healdsburg (Dorman Canyon Road); Dry Creek watershed Comment
  RSA629210  Arctostaphylos Jon E. Keeley 1993-9-11 24790 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388328  Arctostaphylos Freed W. Hoffman 1947-4-3 667 Sonoma near Healdsburg (headwaters of creek); North Coast Ranges, Wild Hog Ridge, Mill Creek Comment
  UC1388334  Arctostaphylos Freed W. Hoffman 1947-2-25 768 Sonoma near Guerneville (headwaters of creek); North Coast Ranges, Fife Creek, Del Preti Hill Comment
  UC526220  Arctostaphylos John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  UC549554  Arctostaphylos J. E. Adams 1934-3-28 718 Sonoma near Santa Rosa; Vine Hill Comment
  UC1281479  Arctostaphylos bakeri H. E. McMinn 1936-4-5 4409 Sonoma two mi n Occidental Comment
  UC909880  Arctostaphylos bakeri J. E. Adams 1935-3-1 1030 Sonoma Occidental Comment
  RSA139995  Arctostaphylos bakeri subsp. bakeri A. E. Wieslander 1936-9-19 707 Sonoma 1 mile northwest of Occidental 213 Comment
  RSA178031  Arctostaphylos bakeri subsp. bakeri R. F. Thorne 1965-4-19 34283 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  RSA202121  Arctostaphylos bakeri subsp. bakeri Freed W. Hoffman 1947-3-11 823 Sonoma Northeast of Camp Meeker Comment
  OBI14764  Arctostaphylos canescens H. E. McMinn 1936-4-4 4395 Sonoma Ridge near R.L. Stevenson Monument, Mt. St. Helena Comment
  RSA622724  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24767 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA622726  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24763 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCSB24459  Arctostaphylos canescens McMinn, Howard 1936-4-4 Sonoma Ridge near R. L. Stevenson Monument, Mt. St. Helena Comment
  SEINET11991014  Arctostaphylos canescens W. Knight, Knight, I. 1983-1 4698 Sonoma Trinity Grade 305 Comment
  UCD51489  Arctostaphylos canescens Beecher Crampton 1960-5-17 5541 Sonoma 4.5 miles east of Glen Ellen; Trinity Road. Comment
  UCSB4717  Arctostaphylos canescens Keator, Glenn 1959-4-2 Sonoma Mt. St. Helena, 9.1 miles north of Calistoga 762 Comment
  POM209916  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 10 Sonoma Vine Hill region west of Santa Rosa. Comment
  SBBG119552  Arctostaphylos canescens subsp. canescens C. Bornstein, E. Collins 2006-8-24 Sonoma Park Gardens Drive, Rincon Ridge Comment
  UC1349410  Arctostaphylos canescens subsp. canescens Milo S. Baker 1942-8-11 8655 A Sonoma Comment
  CAS-BOT-BC23897  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10944 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA70887  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC1120076  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 876 Sonoma s edge Rincon Hills; Santa Rosa Quadrangle 121 Comment
  UC1120077  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1575 A Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  CAS-BOT-BC23642  Arctostaphylos columbiana Mary P. Wells 1986-1-9 705 A Sonoma Edge of forest by Pilot's Beach, The Sea Ranch Comment
  CAS-BOT-BC23603  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC24991  Arctostaphylos densiflora M. S. Baker 1928-4-18 5045 Sonoma Near Vine Hill Schoolhouse. Comment
  RSA257634  Arctostaphylos densiflora Gary D. Wallace 1975-8-25 1500 Sonoma W of Santa Rosa, E of Forestville between Vine Hill Rd. and Laguna Rd. W of Laguna Swamp, N side of Vine Hill School Rd. W of house at 6166. 30 Comment
  UCSB12556  Arctostaphylos densiflora Huot, J. 1961-3-25 Sonoma 4 miles east of Healdsburg, along north side of Highway 101 on roadbanks 30 Comment
  UCD166542  Arctostaphylos glandulosa Dylan O. Burge 2016-2-16 2043 Sonoma Hooker Creek watershed. 520 Comment
  JEPS98887  Arctostaphylos glandulosa subsp. cushingiana James Roof 1967-3-19 Sonoma W of Healdsburg (Dorman Canyon Road); Dry Creek watershed Comment
  CAS-BOT-BC24719  Arctostaphylos glandulosa subsp. glandulosa Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  JEPS18143  Arctostaphylos glandulosa subsp. glandulosa Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5665 Sonoma near Layton Chromite Mine (headwaters of creek); Big Austin Creek, vicinity of The Cedars 266 Comment
  UC1120212  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1574 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  CAS-BOT-BC24718  Arctostaphylos glandulosa subsp. glandulosa Susan M. Smith 2004-2-9 s.n. Sonoma Scattered over 80 acre native plant preserve. On St. Helena Rd, 3.5 mi' e. of Calistoga Rd. 487 Comment
  RSA96697  Arctostaphylos glandulosa subsp. glandulosa P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20378 Sonoma 4.9 mi. s.w. of Lake-Sonoma Co. Line, w. slopes of Mt. St. Helena. 534 Comment
  CDA11230  Arctostaphylos manzanita G. F. Hrusa 1989-2-14 5822 Sonoma North Coast Biodiversity Arena; Austin Creek State Recreation Area. immediately S of drainage of Gilliam Creek. Comment
  UCD162167  Arctostaphylos manzanita D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1520 Sonoma Hooker Creek watershed. 520 Comment
  UCD51990  Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch; 10 miles west of Santa Rosa. Comment
  OBI14641  Arctostaphylos manzanita Robert F. Hoover 1963-1-12 8548 Sonoma Triniti rd, Hoods Peak Range Comment
  SEINET11990955  Arctostaphylos manzanita Unknown 1983-1 30572 Sonoma N slope Morrison Ridge, Austin Creek State Recreation Area, above Thompson Creek 274 Comment
  SEINET11990979  Arctostaphylos manzanita Unknown 1983-1 30476 Sonoma near Redwood Lake, East Austin Creek State Recreation Area 366 Comment
  SEINET11990980  Arctostaphylos manzanita Unknown 1982-1 20862 Sonoma above Gilliam Creek, East Austin Creek State Rec. Area Comment
  UCD51915  Arctostaphylos manzanita C. M. Belshaw 1936-3-7 1561 Sonoma 1/2 mile NW of Trenton. 60 Comment
  SEINET11998361  Arctostaphylos manzanita subsp. bakeri W. Knight, Knight, I. 1985-1 6378 Sonoma Harrison Grade 213 Comment
  CAS-BOT-BC38903  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7949 Sonoma Mt. St. Helena Comment
  UC674748  Arctostaphylos manzanita subsp. elegans E. A. Goldman 1907-12-29 71 Sonoma Mt. St. Helena 1219 Comment
  CAS-BOT-BC38704  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-20 5107 Sonoma Near Windsor Comment
  CAS-BOT-BC38705  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4762 Sonoma The Cedars, Twitchell Ranch 243 Comment
  CAS-BOT-BC38706  Arctostaphylos manzanita subsp. manzanita G. DeNevers 1981-11-20 1883 Sonoma In the Garrison Canyon Comment
  CAS-BOT-BC38717  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-3-9 3899 a Sonoma Vine Hill district on Frei Bros. Ranch Comment
  UC1388361  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-4-3 668 Sonoma near Healdsburg (creek is branch of Mill Creek); North Coast Ranges Wild Hog Ridge, headwaters Palmer Creek Comment
  UC535022  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma residence of M. S. Baker Mt. Hood (w base of mt.) Comment
  UC902047  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1949-3-13 18271 Sonoma along creek w Knights Valley; Mayacamas Creek 152 Comment
  CAS-BOT-BC38692  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-2-16 805 Sonoma Sonoma Mt. Rod. near Enterprise Rd. Comment
  POM209914  Arctostaphylos patula H. F. Copeland 1932-3-18 A- 4 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  CAS-BOT-BC47334  Arctostaphylos stanfordiana Alice Eastwood 1915-6-5 4558 Sonoma Petrified Forest. Comment
  CAS-BOT-BC47335  Arctostaphylos stanfordiana J. Clausen 1933-3-25 722 Sonoma About 4 mi. e. of Warfield on road to Oakville. 213 Comment
  CAS-BOT-BC47336  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55009 Sonoma 2 mi. w. of Graton. Road to Occidental. 121 Comment
  JEPS83501  Arctostaphylos stanfordiana Jack and Betty Guggolz 1986-3-3 850 Sonoma above pond (on n side of Chamise Ridge Rd, off West Dry Creek Rd, w of Geyserville) Comment
  SEINET11984942  Arctostaphylos stanfordiana Unknown 1966-1 686 Sonoma S of Hooker Canyon at point directly opposite canyon from Cavedale Rd, 3.1 mi E of junction of CA 12 Comment
  SD125798  Arctostaphylos stanfordiana subsp. bakeri Lewis S. Rose 1970-2-27 70008 Sonoma Type locality, 2 mi. E of Occidental 185 Comment
  POM210078  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA177970  Arctostaphylos stanfordiana subsp. stanfordiana R. F. Thorne 1965-4-20 34344 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  RSA201846  Arctostaphylos stanfordiana subsp. stanfordiana Roman Gankin 1966-3-3 687 Sonoma 3.1 miles east of junction with State Highway 12. Comment
  UCD112580  Arctostaphylos stanfordiana subsp. stanfordiana Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  RSA364258  Arctostaphylos stanfordiana subsp. stanfordiana Roger Raiche 1983-9-25 RR- 30733 Sonoma Clipper Mill Bridge, Stewarts Point Road (2.6 miles east on that road from Highway 1). Comment
  RSA164629  Arctostaphylos stanfordiana var. repens Percy C. Everett 1963-11-21 24567 Sonoma Rincon Ridge, Robt. Sones' residence, ca. 3 mi. ne. Santa Rosa. 144 Comment
  SEINET11989194  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
  RSA13420  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  RSA534493  Aristolochia californica Peter Rubtzoff 1986-8-31 9735 Sonoma Off Summerhome Park Road 0.2 mile W of Forest HIlls Road. Comment
  SEINET7249680 Image available Armeria maritima var. californica Michelle Yeargan 1973-1 Y 080 Sonoma Bluff on coast, 1 mile south of Stewart's Point 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-BC172577  Artemisia douglasiana Peter Rubtzoff 1954-9-6 1743 Sonoma Guerneville Marsh. 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-BC400606  Asarum caudatum Peter Rubtzoff 1951-11-24 839 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  JEPS13274  Asclepias fascicularis Rimo Bacigalupi with G. T. Robbins 1955-7-14 5295 Sonoma 5.3 mi s El Verano junction (California State Highway 37, (El Verano Junction is 1 mi w ofr Schellville)) 3 Comment
  UC1197607  Asclepias fascicularis Joseph P. Tracy 1937-8-28 15678 Sonoma Knights Valley; North Coast Ranges 152 Comment
  UC449988  Asclepias fascicularis Harriet A. Walker 1908-6-7 1164 Sonoma Santa Rosa Comment
  JEPS343  Aspidotis californica F. T. Bioletti 1892-5-15 Sonoma Hoods Peak Comment
  JEPS128388  Aspidotis densa Roger Raiche 2000-4-23 045 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC376327  Asteraceae Greg de Nevers 1994-4-1 10517 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Cresta horse pasture 400 Comment
  CAS-BOT-BC157688  Asteraceae Peter Rubtzoff 1969-6-15 6085 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC180468  Astragalus breweri Milo S. Baker 1932-4-27 5942 Sonoma Calistoga Geysers Comment
  UC1614406  Astragalus clevelandii Charles M. Belshaw 1936-9-18 2671 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC186742  Astragalus gambelianus Greg de Nevers; Frank Almeda 1987-4-11 8141 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  CAS-BOT-BC290670  Atriplex Peter Rubtzoff 1958-9-6 3974 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC290666  Atriplex Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA0018574  Atriplex Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh. Comment
  UC1925873  Atriplex triangularis Ethel Crum 1930-10-5 871 Sonoma Petaluma Marshes, Sonoma County to Rio Vista, Solano County. Comment
  UCD163888  Avena Peter Rubtzoff 1980-5-26 9450 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  LA11004  Avena barbata Nesta Dunn; 1932-5-15 sn Sonoma Santa Rosa Comment
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Dec 29 2014
  RSA654113  Avena barbata Beecher Crampton 1956-3-12 3222 Sonoma Town of Asti, Italian Swiss Colony vineyards. Comment
  UCR152108  Avena barbata Beecher Crampton 1955-3-15 2326 Sonoma Town of Asti Comment
  CAS-BOT-BC68343  Azolla filiculoides Peter Rubtzoff 1955-4-30 1812 Sonoma Forestville Marsh Comment
  CAS-BOT-BC68340  Azolla filiculoides Peter Rubtzoff 1961-8-6 4673 Sonoma Americano Creek 1/2 mi. east of Valley Ford Comment
  CAS-BOT-BC154997  Baccharis douglasii Peter Rubtzoff 1958-8-23 3915 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  UCR279639  Baccharis glutinosa Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  CAS-BOT-BC99587  Baccharis pilularis John H. Thomas 1976-6-17 18354 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Coastal bluffs Comment
  CAS-BOT-BC173601  Barbarea Peter Rubtzoff 1989-4-30 9988 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  RSA0025201  Barbarea Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16694  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville. Forest south of the Upper Marsh. Comment
  CAS-BOT-BC16695  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville. Forest south of the Upper Marsh. Comment
  CAS-BOT-BC16696  Barbarea orthoceras Dorothy Scherer 1996-3-25 018 Sonoma West of Highway 1 and south of Kolmer Gulch, Fort Rose State Historic Park. 12 Comment
  CAS-BOT-BC145840  Beckmannia syzigachne Peter Rubtzoff 1958-7-5 3744 Sonoma Atascaderos Creek Marsh. Comment
  CAS-BOT-BC145844  Beckmannia syzigachne Peter Rubtzoff 1958-5-10 3645 Sonoma Laguna de Santa Rosa east of Cunningham near Llano Road. Comment
  SEINET10967575  Beckmannia syzigachne H. P. Bracelin 1930-7-27 Bracelin 20 Sonoma On Redwood slope. One mile north of Fort Ross. Comment
  CAS-BOT-BC106395  Bellis perennis Alice S. M. McKenzie 1981-2-12 25 Sonoma Calif. State Hwy. 1 at marker #44.53 - Coast between Russian and Gualala Rivers Comment
  UC72742  Berberis nervosa Milo S. Baker 1898-4-5 761 Sonoma near Stewart's Point Comment
  CAS-BOT-BC164688  Bidens cernua Peter Rubtzoff; Nancy Harrison; Edward Lee; Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  JEPS26041  Bidens frondosa Lewis S. Rose 1960-9-14 60092 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 Comment
  UCR248917  Bidens frondosa Peter Rubtzoff 1961-8-24 4712 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 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
  RSA0019008  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC27854  Blennosperma bakeri Milo Samuel Baker 1946-3-28 11307 Sonoma Western outskirts of Sonoma Comment
  SEINET1783801  Blennosperma bakeri Milo S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma about 1/4 mi S of Napa Street on east side of street. Comment
  CAS-BOT-BC27855  Blennosperma bakeri Milo Samuel Baker 1946-4-2 11307 Sonoma Hog Wallow, in field on E side of street, 0.25 mile S of Napa Street, western outskirts of Sonoma Comment
  CAS-BOT-BC478115  Boisduvalia Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5. miles east of Guerneville Comment
  CAS-BOT-BC154975  Boisduvalia densiflora Peter Rubtzoff 1962-7-6 4975 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  RSA790716  Boisduvalia densiflora Peter Rubtzoff 1961-7-22 4660 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC156320  Boisduvalia glabella Peter Rubtzoff 1955-8-6 2026 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC322143  Bolboschoenus maritimus Peter Rubtzoff 1972-8-26 6859 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC329265  Bolboschoenus maritimus Peter Rubtzoff; Nancy Harrison 1974-9-7 7873 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  RSA0034188  Bolboschoenus maritimus Peter Rubtzoff 1972-8-26 6859 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC31352  Bolboschoenus robustus Herbert L. Mason; Verne Grant 1946-8-28 13076 B Sonoma Mouth of Tolay Creek. Comment
  CAS-BOT-BC145445  Brachypodium distachyon G. DeNevers 1981-5-14 1151 Sonoma Pepperwood Ranch. Small canyon north of Pippindale pond, draw. 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-BC173643  Brassicaceae Peter Rubtzoff 1970-10-29 6422 Sonoma Marsh in dunes south of U.C. Bodega Marine Laboratory dormitory Comment
  SEINET4182957 Image available Briza maxima Robert F. Hoover 1941-5-14 5102 Sonoma Hills north of Bodega. Comment
  UC565401  Briza maxima G. Thomas Robbins 1937-6-5 223 Sonoma about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  UCD57166  Briza maxima Gerry North 1993-4 44 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 first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 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-BC145290  Briza minor G. DeNevers 1981-4-20 742 Sonoma Pepperwood Ranch. Flat south of line of trees and east of the pond at the toe of Horse Hill. Pippindale Farm. Comment
  CAS-BOT-BC145294  Briza minor G. DeNevers 1981-5-30 1379 Sonoma Pepperwood Ranch. On the shore of the Pippindale Pond, above the high water mark. Comment
  CAS-BOT-BC145303  Briza minor Alice Eastwood 1921-5-8 10442 Sonoma Petaluma. Comment
  CDA36959  Briza minor 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
  UCD57380  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma Russian River near Duncan Mills. Comment
  CAS-BOT-BC145283  Briza minor David L. Morgan 1956-5-6 s.n. Sonoma On the Petaluma - Valley Ford road near Robler Road. 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
  UCD150146  Brodiaea coronaria 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
  JEPS74720  Brodiaea leptandra W. L. Jepson 1923-6-28 10006 Sonoma Kenwood Sonoma Canyon 243 Comment
  UCD77158  Brodiaea stellaris Robert E. Preston 2005-6-11 2351 Sonoma Ca. 4 mi W of Occidental, along Coleman Valley Rd 314 Comment
  SEINET9636479 Image available Brodiaea stellaris Fred W. Hoffman 1947-5-18 541 Sonoma ca. 2 miles east of Occidental. Comment
  JEPS6194  Brodiaea terrestris subsp. terrestris Peter Kamb 1950-6-17 1880 Sonoma 2.9 mi w fork in road to Bodge and Valley Fork (Larkspur Rock, s side of Cheney Gulch); Larkspur Rock 30 Comment
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Jan 20 2008
  UC768720  Brodiaea terrestris subsp. terrestris R. F. Hoover 1938-6-14 3605 Sonoma 2 mi se Healdsburg Comment
  CAS-BOT-BC486463  Brodiaea terrestris subsp. terrestris A. A. Heller 1940-5-10 15602 Sonoma Near the ocean north of Fort Ross. Comment
  UCD58161  Bromus carinatus Lewis S. Rose 1962-4-18 62024 Sonoma 1 mi. NW of Freestone. 76 Comment
  UCD161375  Bromus carinatus var. marginatus 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-BC155893  Bromus catharticus var. elatus David L. Morgan 1961-5-14 s.n. Sonoma 1 mile east of Cotati on Cotati Avenue. Comment
  CDA43044  Bromus commutatus G. Radieve & J. Curtis 2014-4-14 Sono 0479 Sonoma Sugarloaf Ridge State Park. 0 Comment
  RSA127002  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 miles S. W. of Healdsburg 152 Comment
  CAS-BOT-BC155201  Bromus hordeaceus Peter Rubtzoff 1951-7-21 486 Sonoma Pitkin Marsh, near Forestville. Souther half of Lower Marsh. Comment
  UCD58689  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti. Comment
  CAS-BOT-BC155243  Bromus hordeaceus David L. Morgan 1956-4-5 s.n. Sonoma Petaluma. Mountain View Avenue. Comment
  CDA36867  Bromus laevipes 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
  SBBG20731  Bromus laevipes M. S. Walters 1960-6-18 Sonoma ca. 1.5 mi E of Russian River bridge at Guerneville on St Hwy 12 Comment
  UCD58888  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma 3 miles WNW of Graton. 60 Comment
  UCD58936  Bromus laevipes B. Crampton 1955-6-17 2977 Sonoma 2.4 miles south of Monte Rio. Comment
  CAS-BOT-BC162393  Bromus laevipes David L. Morgan 1956-6-10 s.n. Sonoma On the Bennett Valley Road, in Crane Canyon, 1 mile east of the junction of the Petaluma-Hill Road. Comment
  UCD160851  Bromus madritensis subsp. rubens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3284 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
  JEPS77265  Bromus madritensis subsp. rubens Robert M. Lloyd 1963-4-24 2402 Sonoma 18.3 mi e of State Highwat 12 on road to Oakdale 243 Comment
  JEPS116506  Bromus pseudolaevipes Peter Warner 2009-6-3 112 Sonoma Poff Ranch, along N unfenced boundary, adjacent to or on Willow Creek (Calif. State Parks property), upper east Pomo Canyon, on logging road-cut 173 Comment
  UCR254896  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC185413  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Highway 1, 8.7 miles south of Stewart's Point. Comment
  JEPS120453  Calamagrostis bolanderi Daniel Slakey 2013-8-10 59 Sonoma Salt Point Park, along the Water Tank Trail, below the pygmy forest. Comment
  POM302055  Calamagrostis koelerioides A. A. Beetle 1945-8-4 4012 Sonoma 10 miles N. of Fort Ross Comment
  UCD57243  Calamagrostis koelerioides Roxana S. Ferris; Laura Lorraine 1961-6-15 13563 Sonoma 1.3 miles from junction with Green Valley Road, Harrison Grade. Comment
  UCD160969  Calamagrostis ophitidis James A. Neilson Jr. 1975-7-8 3411 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD57535  Calamagrostis ophitidis R. Tofsrud 1948-7-1 s.n. Sonoma about halfway between The Geysers and Alexander Valley. Comment
  UCD158814  Calandrinia breweri James A. Neilson Jr. 1974-4-17 3487 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC438612  Calandrinia ciliata Clare R. Wheeler 1978-3-30 138 Sonoma Pine Mt. Road - 4 miles (6.4 km.) NE of Cloverdale 548 Comment
  JEPS117091  Calandrinia ciliata Peter Warner 2010-4-15 129 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. Extension), approx. 1 km N of Jenner village, in ultramafic grassland about 25 m E of road. Comment
  POM273085  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma JOrchards and fields just east of Sonoma. Comment
  UCD33564  Calendula arvensis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st. Street West, just south of r.r. depot. Comment
  CAS-BOT-BC167303  California macrophylla J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC290710  Callitriche heterophylla Peter Rubtzoff 1967-5-21 5843 Sonoma Guerneville Marsh. Comment
  RSA90503  Callitriche heterophylla subsp. bolanderi Leo Koch 1939-5-15 630 Sonoma Hamilt(a)on Ranch. 1 mile from Old Adobe. East of Petaluma. Comment
  CAS-BOT-BC376223  Callitriche marginata Greg de Nevers 1995-5-20 10729 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In road through Fern Canyon 487 Comment
  UCSB45513  Callitriche palustris Roos, John 1957-7-2 Sonoma Miller's Ridge Comment
  RSA247438  Callitriche verna Peter Rubtzoff 1967-7-30 5847 Sonoma Guerneville March. Comment
  SD6492  Calochortus amabilis Michener, Bioletti 1891-1 2122 a Sonoma Hood's Peak. Comment
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May 14 2010
  UC535002  Calochortus amabilis H. E. and S. T. Parks 1930-5-9 605 Sonoma Alexander Valley edge Alexander Valley Comment
  CAS-BOT-BC483276  Calochortus amabilis F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  JEPS61686  Calochortus luteus W. L. Jepson 1918-6-23 7659 Sonoma e of Mark West Springs; Mark West Creek Comment
  UC119757  Calochortus luteus Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  CAS-BOT-BC492639  Calochortus luteus L. R. Abrams 1918-4-30 7067 Sonoma near Healdsburg Comment
  CAS-BOT-BC132250  Calochortus raichei R. Raiche 1986-7-29 60282 Sonoma North of Cazadero, The Cedars, Red Slide Creek (central branch) 390 Comment
  JEPS82300  Calochortus raichei Roger Raiche 1983-7-31 30571 Sonoma above Thompson Creek (s-facing slopes of Thompson Ridge); Austin Creek State Recreational Area, Thompson Ridge 243 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
  UCD161318  Calochortus superbus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3716 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  UC65044  Calochortus uniflorus Milo S. Baker 1898-4-5 Sonoma between Stewarts Point Sea View Comment
  RSA369107  Calochortus vestae Christopher Davidson 1977-6-20 6005 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  CAS-BOT-BC270707  Calycadenia multiglandulosa Milo S. Baker 1930-6-6 4161 Sonoma Along Highway (southern) between Sebastopol and Occidental Comment
  UC717978  Calycadenia pauciflora David D. Keck 1944-7-11 5511 Sonoma The Geysers Mayacamas Range Comment
  CAS-BOT-BC91011  Calycanthus occidentalis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs. Comment
  POM194538  Calycanthus occidentalis Y. Mexia 1929-6-2 2397 Sonoma Near Santa Rosa. Comment
  RSA271933  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  UC1536225  Calycanthus occidentalis William Stone 1987-5-25 Sonoma 3 mi e Guerneville (Russian River, Odd Fellows Recreation Club Park) Comment
  UC400137  Calycanthus occidentalis Ynes Mexia 1929-6-2 2397 Sonoma near Santa Rosa Comment
  SD39361  Calypso bulbosa var. occidentalis Olive Peterson 1936-3-13 6840 Sonoma Bog, near Annopolis. Comment
  RSA710255  Calystegia collina R. K. Brummitt 1998-5-15 19860 Sonoma 17 km NNE of Healdsburg, on Pine Flat Road near Red Hill. 198 Comment
  CDA39871  Calystegia collina subsp. oxyphylla T. C. Fuller 1958-5-24 4002 Sonoma 1/2 mile east of Occidental, State Department of Forestry Station. 0 Comment
  CAS-BOT-BC376265  Calystegia occidentalis Greg de Nevers 1995-6-3 10744 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along road below Double Ponds 487 Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  JEPS120458  Calystegia purpurata subsp. saxicola Daniel Slakey 2013-7-10 58 Sonoma Salt Point State Park, specimens collected along a 1 mile stretch of coast surrounding Salt Point. Comment
  CAS-BOT-BC436453  Calystegia subacaulis John Thomas Howell 1955-6-2 30259 Sonoma Near Vine Hill School Comment
  JEPS128287  Calystegia subacaulis Roger Raiche 2008-5-18 003 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC879463  Calystegia subacaulis subsp. subacaulis Lewis S. Rose 1941-5-22 41251 Sonoma Rincon Ridge, 4 mi E of Santa Rosa. Comment
  SEINET3885509  Camassia quamash James Faro 1962-4-22 11 Sonoma Ocean Cove Ranch, about 4 miles North of Fort Ross.; 0 Comment
  RSA799989  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma 4.25 mi. W. of Glen Ellen on Bennett Valley road. Comment
  NY679548  Camissonia cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma On the bluff N of the town of Bay, Bodega Bay. Comment
  POM180624  Camissonia cheiranthifolia subsp. cheiranthifolia J. T. Howell 1930-6-8 5273 Sonoma North end of Bodega Bay. Comment
  POM32176  Camissonia ovata A. A. Heller, H. E. Brown 1902-3-20 5103 Sonoma Near Windsor. Comment
  RSA799990  Camissonia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  UCD81450  Camissonia ovata M. Wiesendanger 1927-5-5 707 Sonoma Sonoma. Comment
  UCD103511  Camissoniopsis cheiranthifolia H. A. Borthwick 1925-6-7 1844 Sonoma Willow Camp. Comment
  UCD103489  Camissoniopsis intermedia Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  CAS-BOT-BC266425  Campanula californica Mrs. E. C. Sutcliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  UCD66816  Campanula californica Mary M. Hektner 1974-8-27 182 A Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  SEINET10905986  Campanula californica Mason 1946-7-4 Mason 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  SEINET10939079  Campanula californica Baker 1941-8-4 Baker 10165 Sonoma Coast Highway, between Fort Ross and Stewart's Point Comment
  RSA790010  Capsella bursa-pastoris Peter Rubtzoff 1958-8-9 3841 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  HSC6632  Capsella bursa-pastoris C. S. Chavez 1965-6-3 79 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  RSA786866  Capsella bursa-pastoris Carrie A. Herd 1982-3-14 19 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UCD114119  Capsella bursa-pastoris Frederica Bowcutt; Kate Mawdsley 1996-3-24 2070 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. About 1 air mile S of Red Mountian, just S of Sonoma Creek. Meadow in center of campground, E end of meadow just S of outdoor center. 365 Comment
  CAS-BOT-BC37768  Cardamine californica J. Clausen 1933-3-25 728 Sonoma About 4 miles east of Warfields on road to Oakville. 213 Comment
  JEPS53382  Cardamine californica Willis L. Jepson 1893-5-1 32 d Sonoma Knights Valley grade Napa River Basin, , on divide (on divide, Napa River Basin) Comment
  UCD114498  Cardamine californica R. H. Miller 1949-4-6 24 Sonoma 5 miles southeast of Monte Rio, on Highway 12. Comment
  RSA128603  Cardamine californica var. integrifolia P. H. Raven 1950-4-6 1558 Sonoma Cotati to Santa Rosa. 46 Comment
  RSA257003  Cardamine californica var. integrifolia Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1007 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  CAS-BOT-BC38041  Cardamine oligosperma Dorothy Scherer 1996-4-8 023 Sonoma Kolmer Gulch, west of Highway 1, Fort Ross State Historic Park. 1 Comment
  UC727778  Cardamine oligosperma Milo S. Baker Apr. 1946 11309 Sonoma Brookside Garden near Kenwood; Brookside Garden near Kenwood Comment
  CAS-BOT-BC173679  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  UCD85585  Carduus pycnocephalus Peta Lewis 1967-5-13 13 Sonoma ca. 2 miles east on River Road, 3 miles north of Guerneville. 22 Comment
  UC963926  Carex Milo S. Baker 1947-6-26 11830 Sonoma ca. 1 mi (airline) sw Cunningham Station (Cunningham Marsh) Comment
  UCR254780  Carex abrupta Peter Rubtzoff 1954-6-19 1494 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC334522  Carex abrupta Peter Rubtzoff 1957-6-28 3376 Sonoma Duncans Mills Marsh. Comment
  SEINET7546986  Carex albida J. T. Howell, J. W. Stacey 1937-1 Sonoma Comment
  CAS-BOT-BC18135  Carex athrostachya John Thomas Howell; J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  CAS-BOT-BC18136  Carex athrostachya John Thomas Howell; J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  CAS-BOT-BC329308  Carex barbarae Peter Rubtzoff 1974-6-2 7516 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC329311  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC371452  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC422341  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh. Comment
  UCR248956  Carex barbarae Peter Rubtzoff 1958-7-26 3800 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UCR250040  Carex barbarae Peter Rubtzoff 1974-6-2 7512 Sonoma Upper Green Valley Marsh Comment
  UCR249076  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  UCD140186  Carex buxbaumii Frederica Bowcutt 1994-6-12 1851 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 along Pony Gate Trail along east west trending stretch before entering woodland. 411 Comment
  CAS-BOT-BC34424  Carex cusickii Peter Rubtzoff 1951-6-10 189 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC34425  Carex cusickii John Thomas Howell; J. W. Stacey 1936-7-26 12683 Sonoma Pitkin Marsh. 5 miles north of Sebastopol. Comment
  UCR248870  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC18987  Carex densa Lewis S. Rose 1939-5-14 39117 Sonoma Bodega. 30 Comment
  CAS-BOT-BC20240  Carex densa Peter Rubtzoff 1975-7-3 8150 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC20473  Carex densa John Thomas Howell 1937-7-4 13073 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC20510  Carex densa Peter Rubtzoff 1954-6-7 1488 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CAS-BOT-BC20513  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CAS-BOT-BC246549  Carex densa Peter Rubtzoff 1960-6-9 4474 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC20243  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  CAS-BOT-BC20491  Carex densa Catherine Best 1980-4-29 s.n. Sonoma Westerbeke Ranch near El Verano. Comment
  UC70636  Carex deweyana subsp. leptopoda Jos. Burtt Davy 1896-7-24 Sonoma Duncan's Mill Comment
  CAS-BOT-BC19901  Carex echinata subsp. phyllomanica Peter Rubtzoff 1951-6-10 195 Sonoma The Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCR248915  Carex exsiccata Peter Rubtzoff 1960-6-7 4451 Sonoma Austin Creek Marsh 15 Comment
  UCR250035  Carex exsiccata Peter Rubtzoff 1958-5-3 3617 Sonoma Atascadero Creek Marsh Comment
  RSA121756  Carex exsiccata H. S. Yates 1936-5-17 5632 Sonoma 2 miles NE of Graton. 30 Comment
  SEINET10650312  Carex exsiccata A. Arthur Heller 1902-7-1 Heller 5798 Sonoma Lagoon at Scbastopol. Comment
  CAS-BOT-BC20139  Carex feta Alice Eastwood; John Thomas Howell 1936-5-19 2525 Sonoma Near Asti. Comment
  RSA144722  Carex globosa Roxana S. Ferris, Laura Lorraine 1961-6-15 13556 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  SBBG29953  Carex globosa A. Eastwood, J. T. Howell 1939-4-2 Sonoma near Monte Rio Comment
  SEINET10706382  Carex glomerata Henry N. Bolander Bolander 3824 Sonoma In meadow at Cloverdale. Comment
  UCD112363  Carex gracilior Peter Rubtzoff 1954-7-5 1543 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC419697  Carex gynodynama Peter Rubtzoff 1959-5-31 4085 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC21900  Carex harfordii Lewis S. Rose 1962-6-1 62065 Sonoma 1 mile NW of Freestone. 76 Comment
  CAS-BOT-BC21903  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh. In upper portions of the marsh. Comment
  CAS-BOT-BC311836  Carex harfordii Peter Rubtzoff 1974-6-2 7513 Sonoma Upper Green Valley Marsh. Comment
  UC1133465  Carex harfordii H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  RSA0022362  Carex harfordii Peter Rubtzoff 1962-6-1 4867 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC22297  Carex hassei Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4496 Sonoma 2 miles south of Gualala River, Sonoma Coast. Comment
  RSA115456  Carex hendersonii Beecher Crampton 1955-6-17 2953 Sonoma 4.5 miles south of Cazadero. Comment
  HSC7137  Carex lanuginosa J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC311823  Carex lasiocarpa Peter Rubtzoff 1962-4-11 4794 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31180  Carex lemmonii Peter Rubtzoff 1951-7-21 496 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh. Comment
  UCD140481  Carex leporina Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  RSA169300  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay. 2 Comment
  UCR249048  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC119309  Carex obnupta Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc, The Sea Ranch. Comment
  RSA0031404  Carex obnupta Peter Rubtzoff 1970-10-3 6413 Sonoma Marsh off the west side of Hwy.1, 0.7 mi southeast of Salmon Creek. Comment
  UC1042355  Carex obnupta Peter Rubtzoff 1951-6-9 165 Sonoma forest s Upper Marsh; Pitkin Marsh Comment
  CAS-BOT-BC119289  Carex ovalis John Thomas Howell 1938-7-3 13965 Sonoma Pitkin Marsh Comment
  RSA0022356  Carex ovalis Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  RSA52171  Carex praegracilis J. T. Howell 1947-6-26 23295 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC312706  Carex rostrata Peter Rubtzoff 1971-7-20 s.n. Sonoma Pitkin Marsh. Comment
  UCD161858  Carex serratodens James A. Neilson Jr. 1975-7-8 3406 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET4469615 Image available Carex sonomensis J. T. Howell, J. W. Stacey 1937-1 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC173805  Carex stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  RSA0020342  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) Comment
  RSA796406  Carex stipata Peter Rubtzoff, Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC116929  Carex subbracteata Peter Rubtzoff 1954-8-2 1619 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC116930  Carex subbracteata Peter Rubtzoff 1960-5-16 4353 Sonoma Duncan Mills Marsh. Comment
  UC846  Carex subbracteata H. N. Bolander April 1864 3868 Sonoma Russian River Comment
  CAS-BOT-BC116785  Carex subbracteata var. subbracteata Peter Rubtzoff 1957-5-26 3369 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC115827  Carex subfusca Bolander 3867 Sonoma Russian River Comment
  RSA52174  Carex tumulicola J. T. Howell 1947-6-5 23239 Sonoma Cunningham Marsh Comment
  JEPS87917  Carthamus lanatus Barbara Ertter, Lincoln Constance 1993-7-10 12099 Sonoma on Rockpile Rd 5 mi beyond pavement (w of Lake Sonoma (road to Annapolis)) Comment
  CAS-BOT-BC281917  Carthamus lanatus B. Crampton 1957-7-22 4356 Sonoma 15.2 miles W of Skagg's Springs on road to Stewart's Point Comment
  CDA36976  Carthamus leucocaulos J. H. Shelgren 1976-5-7 16 Sonoma Vicinity of Asti. 0 Comment
  CDA7005  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of the Asti turn-off of the freeway, Highway 101, Asti. 0 Comment
  HSC103378  Carthamus leucocaulos T. C. Fuller 1978-8-17 20253 Sonoma Asti, 1 mi. W of Hwy. 101 freeway exit. Comment
  CAS-BOT-BC257350  Castilleja Peter Rubtzoff; Nancy Harrison 1978-5-20 9189 Sonoma Cunningham Marsh area, north side of Blucher Creek Valley. 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
  UCD38895  Castilleja affinis Beecher Crampton 1959-6-16 5403 Sonoma 1 mile south of the town of Bodega Bay. Comment
  UC103162  Castilleja ambigua subsp. ambigua J. W. Congdon 1880-5-24 Sonoma Petaluma Comment
  UCR45081  Castilleja applegatei subsp. martini L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UCD15832  Castilleja attenuata K. Mawdsley 1998-5-10 30 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 Bald Mountain Trail, east of junction with Lower Bald Mountain Trail. 548 Comment
  JEPS19395  Castilleja exserta subsp. exserta G. Thomas Robbins 1938-4-15 261 Sonoma 6-7 mi w Santa Rosa (along road to Graton) Comment
  POM44369  Castilleja franciscana Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  SD38277  Castilleja franciscana Edith A. Purer 1932-7-24 4067 Sonoma Bodega bay, to Santa Rosa, along roadside Comment
  SEINET12337432  Castilleja franciscana Unknown 1986-1 60158 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 366 Comment
  CAS-BOT-BC243851  Castilleja latifolia Ella Dales Cantelow 1938-5-7 2412 Sonoma 5 mi. N of Bodega Comment
  CAS-BOT-BC241089  Castilleja uliginosa Peter Rubtzoff 1952-10-26 1328 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  JEPS60451  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6689 Sonoma 2.9 mi s Russian River (Highway 1) Comment
  UCSB5988  Castilleja wightii Keator, Glenn 1958-6-17 Sonoma Near the northern end of Tomales Bay Comment
  CAS-BOT-BC361351  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC361361  Caulanthus lasiophyllus Greg de Nevers 1997-4-16 10936 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  CAS-BOT-BC47799  Ceanothus John Thomas Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC32772  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  CAS-BOT-BC48518  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital Comment
  RSA77694  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  SBBG119963  Ceanothus confusus A. Howald 2007-4-2 2456 Sonoma Goodspeed Trail just below highest pt of trail, E of Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 310 Comment
  SBBG4132  Ceanothus confusus M. S. Baker 1939-3-20 9244 Sonoma ca. 4 mi N of Santa Rosa on rd past County Hospital Comment
  UC18317  Ceanothus confusus Michener and Bioletti March 1898 1898 Sonoma Hood's Peak Comment
  UC480609  Ceanothus confusus Carl Meyer 1928-3-3 306 Sonoma Santa Rosa Comment
  UC870631  Ceanothus confusus John Thomas Howell 1937-7-4 13080 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  RSA25832  Ceanothus cuneatus Carl B. Wolf 1941-7-17 11024 Sonoma N Coast Range, 2.5 miles SW of Petrified forest along road to Sonoma and Santa Rosa 61 Comment
Read comments
Feb 27 2015
  UCD158853  Ceanothus cuneatus James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2918 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  CAS-BOT-BC49699  Ceanothus cuneatus var. ramulosus Walter Knight; Cliff Schmidt 1987-2-27 6056 Sonoma Cavedale Road 274 Comment
  UC1614464  Ceanothus foliosus Charles M. Belshaw 1936-3-8 1580 Sonoma 3 1/2 mi. n.w. Kenwood; Inner N. Coast Range 144 Comment
  UC18322  Ceanothus foliosus State Survey 1862-4-18 984 Sonoma near Sonoma Comment
  UC608222  Ceanothus foliosus A. E. Wieslander 1938-4-14 721 Sonoma 1 mi s Trenton (road side.); Sebastopol quad. 83 Comment
  UCD158718  Ceanothus foliosus James A. Neilson Jr. 1974-7-10 2836 Sonoma Mayacmas Mountains. South of Little Geysers. 792 Comment
  UCD162164  Ceanothus foliosus D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1517 Sonoma Hooker Creek watershed. 520 Comment
  SEINET12210993  Ceanothus foliosus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -102 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC64421  Ceanothus foliosus subsp. vineatus Milo S. Baker 1946-4-29 11355 Sonoma Vine Hill region along College Ave. hwy. Comment
  JEPS25144  Ceanothus foliosus var. foliosus G. Thomas Robbins 1959-5-16 4014 Sonoma Spring Mountain Road, between Calistoga Road and Sonoma-Napa County line Mayacamas Mountains 518 Comment
  RSA107848  Ceanothus foliosus var. vineatus L. S. Rose 1955-6-2 s.n. Sonoma Junction of Vine Hill and School Roads, 10 miles west of Santa Rosa. 46 Comment
  RSA164633  Ceanothus foliosus var. vineatus Percy C. Everett 1963-11-21 24563 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  UCD112132  Ceanothus foliosus var. vineatus Ray Prag 1970-6-9 s.n. Sonoma Vine Hill School Road, 3/4 mile east of Vine Hill Road. Comment
  OBI10528  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma Nine mi S of Guerneville Comment
  RSA63659  Ceanothus gloriosus subsp. porrectus Milo S. Baker 1950-08 12307 -a Sonoma Hope Valley just south of sumit above Coleman Ranch, near Kenwood Comment
  CAS-BOT-BC49949  Ceanothus gloriosus var. exaltatus Milo S. Baker 1931-6-4 6236 Sonoma Vine Hill Region Comment
  CAS-BOT-BC49952  Ceanothus gloriosus var. exaltatus Mary P. Wells 1983-8-3 166 Sonoma Pygmy Forest Comment
  UC1070747  Ceanothus incanus H. S. Yates 1934-4-21 3782 Sonoma Near Freestone 60 Comment
  RSA63688  Ceanothus incanus Howard N. Jensen 1942-4-29 27 Sonoma SW corner science bldg on Santa Rosa Junior College Campus Comment
  UCD111985  Ceanothus integerrimus R. H. Neuns 1950-5-17 111 Sonoma 4 miles east of The Geysers (airline). 990 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-BC50642  Ceanothus jepsonii John Thomas Howell 1933-4-2 10959 Sonoma 2 miles e. of Occidental Comment
  UC1281528  Ceanothus jepsonii H. E. McMinn 1931-6-29 2566 Sonoma 5 mi n Cloverdale Comment
  SEINET12211280  Ceanothus jepsonii var. albiflorus W. Knight, Schmidt, C. 1987-1 6060 Sonoma Bradford Mt. Road near Dorman Campon, W of Healdsburg 168 Comment
  CAS-BOT-BC51877  Ceanothus parryi Peter Rubtzoff 1953-5-17 1384 Sonoma Forested hills South of Guerneville (Neeley Hill area) Comment
  UC1299536  Ceanothus parryi Freed W. Hoffman Apr 1948 2751 Sonoma Poole Ridge, neat Guerneville Comment
  UCD112486  Ceanothus parryi Collector unknown Date unknown s.n. Sonoma S.W. part of county. Comment
  UC1254092  Ceanothus purpureus J. A. Delapp 1964-2-28 71 Sonoma Black Mountain, Quad. 61D-3 457 Comment
  RSA753880  Ceanothus sonomensis Dylan O. Burge, C. Miller 2007-6-12 DOB 939 c Sonoma Mayacmas Mts., head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles (6.4 km) E of SR 12. 4.90 km 85 degrees (True) ENE of Glenn Ellen. 560 Comment
  SBBG34155  Ceanothus sonomensis R. Gankin 1966-3-3 689 Sonoma Hooker Cyn, below Cavedale Rd, 3.1 mi E of jct with St Hwy 12 Comment
  UC1614463  Ceanothus sonomensis Charles M. Belshaw 1936-3-8 1581 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood) 144 Comment
  UCD112702  Ceanothus sonomensis Roman Gankin 1966-3-3 690 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  SD134035  Centaurea calcitrapa Greg de Nevers 1987-5-11 8176 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 99 Comment
  CDA23055  Centaurea melitensis D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .269 Sonoma Cavedale Rd. Comment
  CAS-BOT-BC277162  Centaurea melitensis Mary P. Wells 1984-5-24 292 Sonoma Annadel State Park, Santa Rosa Comment
  JEPS44124  Centaurea solstitialis W. L. Jepson 1914-9-19 6190 Sonoma Agua Caliente Sonoma Valley, Agua Caliente 25 Comment
  CAS-BOT-BC277256  Centaurea solstitialis Robert M. King 1980-7-8 8416 Sonoma 5 miles generally Northeast of Santa Rosa Comment
  RSA181381  Centaurea solstitialis James I. McMurphy 1909-8-9 s.n. Sonoma Sonoma Comment
  UCR25335  Centaurium muehlenbergii John C. Roos 1957-7-3 6652 Sonoma North Coast Ranges, Healdsburg 33 Comment
  POM287526  Centaurium trichanthum Lyman Benson 1930-6-18 2165 Sonoma Four miles south of Santa Rosa, North Coast Mt. Range, San Francisco Bay watershed. 61 Comment
  CAS-BOT-BC271544  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC271540  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station 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-BC279399  Centromadia pungens subsp. pungens H. M. Hall 1931-10-6 13264 Sonoma West of Petaluma Comment
  CAS-BOT-BC384869  Cerastium Peter Rubtzoff 1983-8-28 9677 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC384971  Cerastium arvense A. A. Heller; H. E. Brown 1902-4-11 5269 Sonoma Bodega Bay 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
  SEINET7067242  Cerastium glomeratum A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  CAS-BOT-BC388440  Cerastium glomeratum Ella Dales Cantelow 1940-4-20 3444 Sonoma N. of Ft. Ross, Hy 1 Comment
  UC15102 Image available Cercis occidentalis H. N. Bolander 1864-1 3946 Sonoma The Geysers Comment
  UCD167341  Chamaemelum fuscatum James Neilson 1980-5-1 3427 Sonoma Mayacmas Mountains. about 1 mi. southwest of Geysers Resort off of Geysers-Healdsburg Rd. Ranch 1 mile south old Mercuryville. (Exact location unknown. Coordinates estimated by label maker. Neilson probably meant 1 mile north of old Mercuryville.) Comment
  CAS-BOT-BC279779  Chamaemelum fuscatum John H. Thomas 1974-3-20 17061 Sonoma Near Asti Comment
  CDA7377  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19483 Sonoma 1 mile west of the freeway overpass, Highway 101, Asti. 0 Comment
  CAS-BOT-BC184930  Chasmanthium latifolium G. DeNevers 1981-7-1 1732 Sonoma Pepperwood Ranch. In the Pippindale Garden. Comment
  RSA785152  Chenopodium Peter Rubtzoff 1969-11-2 6209 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  JEPS54472  Chenopodium ambrosioides Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9317 Sonoma near Pitkin family farmhouse; Pitkin Marsh 53 Comment
  UC116485  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  RSA756235  Chenopodium botrys Barbara Ertter 1988-11-5 8029 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC493397  Chlorogalum pomeridianum G. DeNevers 1981-5-30 1416 Sonoma In Bertoli's creek, Pepperwood Ranch Comment
  CAS-BOT-BC499251  Chlorogalum pomeridianum Peter Rubtzoff 1951-8-18 632 Sonoma Pitkin Marsh, near Forestville, western branch of the upper marsh Comment
  JEPS128347  Chlorogalum pomeridianum var. pomeridianum Roger Raiche 2000-5-28 118 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC191509  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  UCD110111  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  UC1193057  Chrysolepis chrysophylla var. minor R. H. Neuns 1950-5-23 114 Sonoma 2 mi w Cobb (on Cobb Mountain, on Sonoma-Lake County line); Cobb Mountain 1264 Comment
  CAS-BOT-BC285250  Cichorium intybus W. W. Carruth 1900-7-1 s.n. Sonoma Near Healdsburg Comment
  UCR244695  Cirsium Peter Rubtzoff 1970-9-3 6368 Sonoma above Shell Beach in Sonoma Coast State Beach area 122 Comment
  CAS-BOT-BC278068  Cirsium douglasii var. breweri Milo S. Baker 1926-1-1 229 b-Son Ser. Sonoma Hood Mt. 609 Comment
  POM53745  Cirsium douglasii var. breweri A. A. Heller 1902-7-2 5804 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC279996  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  UCD130614  Cirsium douglasii var. douglasii P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD130616  Cirsium douglasii var. douglasii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC285709  Cirsium occidentale var. occidentale Ella Dales Cantelow 1941-6-7 3555 Sonoma State Hy 1 w. of Bodega Comment
  CAS-BOT-BC290646  Cirsium occidentale var. occidentale Peter Rubtzoff 1960-9-14 4548 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC280362  Cirsium occidentale var. venustum Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC280531  Cirsium quercetorum John Thomas Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC280543  Cirsium quercetorum Mrs. H. C. Cantelow 1935-4-28 s.n. Sonoma Unspecified Comment
  RSA0070859  Cirsium quercetorum J. T. Howell 1938-7-3 13953 Sonoma Stony Point. Comment
  UC1299416  Clarkia affinis Freed W. Hoffman 1947-5-18 771 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC422846  Clarkia amoena Milo S. Baker 1904-6-20 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC161045  Clarkia amoena subsp. amoena Alva Day 1982-6-1 82 -66 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC161055  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
  UC423079  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC172213  Clarkia concinna Roxana S. Ferris; Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road, 0.8 mi. E of junction with Harrison Grade Road Comment
  SEINET12195099  Clarkia concinna F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -254 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET4143382  Clarkia concinna W. Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, NE of Santa Rosa 61 Comment
  UC1299414  Clarkia concinna subsp. concinna Freed W. Hoffman 1947-5-18 539 Sonoma Dutch Bill Creek North Coast Ranges Comment
  UCD104538  Clarkia gracilis Botany 102 Students 1993-5-8 274 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. Comment
  CAS-BOT-BC163148  Clarkia gracilis subsp. sonomensis Alice Eastwood 1915-6-5 4592 Sonoma Petrified Forest Comment
  JEPS79261  Clarkia imbricata L. R. Heckard 1980-7-4 5405 Sonoma ca. 2 mi ne Graton (at 4851 Vine Hill Road (Schwartz property)) Comment
  UC424784  Clarkia purpurea Milo S. Baker 1930-6-6 4163 a Sonoma a few mi w Cooper's <Grove?> Comment
  CAS-BOT-BC163472  Clarkia purpurea subsp. quadrivulnera Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC165677  Clarkia unguiculata 1938-5-28 s.n. Sonoma Alexander Valley toward Geyserville Comment
  UCD100582  Claytonia exigua Botany 102 Students 1993-5-8 286 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. 487 Comment
  CAS-BOT-BC439318  Claytonia exigua subsp. exigua A. A. Heller; H. E. Brown 1902-3-12 5049 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  CAS-BOT-BC439412  Claytonia gypsophiloides Ira L. Wiggins 1949-4-30 12062 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga Comment
  HSC17747  Claytonia gypsophiloides A. Sylvester, R. Spellenberg, D. Sutherland 1330 Sonoma 1 mi. NW of Big Geysers Comment
  CAS-BOT-BC439636  Claytonia parviflora subsp. parviflora A. A. Heller; H. E. Brown 1902-3-16 5077 Sonoma Russian River, near Trenton Comment
  UCR105444  Claytonia sibirica Peter Rubtzoff 1967-8-22 5851 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  CAS-BOT-BC366861  Clematis lasiantha Greg de Nevers 1998-4-11 11152 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Neuman Center on Porter Creek Road 400 Comment
  UC1032563  Collinsia heterophylla A. Lewis 1932-5-12 71 Sonoma 1 mi e of Sonoma 152 Comment
  SEINET5737213 Image available Collinsia heterophylla Johann D. Watjen 1969-1 26 Sonoma West slope of Sugar Loaf Ridge, 8 miles north of Sonoma.; Sugar Loaf Ridge 244 Comment
  OBI49261  Collinsia sparsiflora Michener & Bioletti, Bioletti April 1893 s.n. Sonoma Kenwood Comment
  POM14827  Collinsia sparsiflora var. arvensis D. C. Michener, F. T. Bioletti 1893-04 s.n. Sonoma Kenwood. Comment
  UC583427  Collinsia sparsiflora var. arvensis Elmer I. Applegate 1934-3-25 8850 Sonoma w slope of Mayacama Mountains, Pine Flat Region, Sansal Creek Sansal Creek; Mayacama Mountains, Pine Flat Region, Sansal Creek Comment
  JEPS22306  Collinsia tinctoria Rimo Bacigalupi 1958-5-24 6363 Sonoma just n Camp Meeker (n slope of Alder Creek Canyon, a small side canyon in Dutch Bill Creek Canyon); Alder Creek Canyon, Dutch Bill Creek Canyon 97 Comment
  JEPS7308  Collinsia tinctoria Milo S. Baker 1904-6-19 Sonoma Sonoma Cr. Canyon Comment
  UC1299534  Collomia heterophylla Freed W. Hoffman 1947-6-4 596 Sonoma Mill Creek Road to East Austin Creek; North Coast Ranges Comment
  RSA0051273  Convolvulus Greg de Nevers 1993-5-9 10440 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Just above the Pippindale-Pepperwood gate. 100 Comment
  CAS-BOT-BC288918  Conyza canadensis Catherine Best 1983-10-12 909 Sonoma At the edge of the Bodega Highway, 2 miles W of Freestone Comment
  CDA41356  Cordylanthus pilosus G. D. Barbe 1989-8-4 4356 Sonoma East of Dan Galvin Park, east of Matanzas Creek off Bennett Valley Road, south of Annadel State Park, South Santa Rosa. 0 Comment
  JEPS6780  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1895-8-30 21341 Sonoma Petrified Forest Comment
  UC1239006  Cordylanthus pilosus subsp. pilosus Freed W. Hoffman 1946-8-14 783 Sonoma e of Camp Meeker Comment
  RSA82063  Cordylanthus pilosus subsp. pilosus L. Tinsley 1925-10-10 6460 Sonoma Valley of the Moon. Comment
  UC26341  Cordylanthus pilosus subsp. pilosus F. T. Bioletti 1892-9-5 Sonoma Comment
  JEPS33009  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1947-9-5 1251 Sonoma between Tyrone and Camp Meeker (Dutch Bill Creek) Comment
  JEPS69348  Cordylanthus tenuis subsp. capillaris Tsan-Iang Chuang, F. M. Chuang and Carl Chuang 1972-7-22 7081 Sonoma 2 mi nw Camp Meeker (on way to Monte Rio) Comment
  RSA74323  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  UCR78363  Cordylanthus tenuis subsp. capillaris T. I. Chuang, F. M. Chuang 1970-8-25 6845 Sonoma 2.7 mi east of Occidental 138 Comment
  CAS-BOT-BC101571  Corethrogyne filaginifolia L. R. Abrams 1920-7-3 7610 Sonoma near Stewarts Point Comment
  RSA0045166  Cornus nuttallii Greg de Nevers 1993-4-27 10414 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 91 Comment
  UC1042524  Cornus sericea subsp. sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh near Forestville (uppermost part of w. branch of Upper Marsh) Comment
  RSA239697  Cornus stolonifera Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1094 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Rd. west of Santa Rosa. Comment
  SACT002816  Corylus californica Herbert Copeland 1933-3-18 Sonoma Collected on roadside between Freestone and Sebastopol. Shrub 1 m tall. Comment
  CAS-BOT-BC290300  Cotula coronopifolia Peter Rubtzoff 1951-7-14 451 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  RSA94302  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Lower part of the Upper Marsh Comment
  SFV8415  Cotula coronopifolia B. Stanfield 1966-5-8 30 Sonoma Sandy flats near beach, 0.5 miles south of Bodega Bay. Comment
  UCD19496  Crassula connata Terry Reedy 1974-5-11 223 Sonoma Bodega Head. 15 Comment
  SD206990  Crassula solieri Reid Moran 1991-5-14 Sonoma Sonoma Valley Regional Park; E of Glen Ellen, Highway 12, 0.3 miles southeast of intersection with Arnold Drive. 99 Comment
  UCD35659  Crataegus gaylussacia Beecher Crampton 1959-6-16 5396 Sonoma 1 mile northeast of Freestone. Comment
Read comments
Dec 20 2006
  UCD18321  Crocanthemum scoparium Frank Chan 1998-11-1 s.n. Sonoma N of city of Sonoma, close to Hogback Mtn. Comment
  SJSU7519  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  CAS-BOT-BC190109  Crypsis schoenoides G. DeNevers 1981-9-5 1806 Sonoma Pepperwood Ranch. In creek bed north of the aluminum gate dividing Pepperwood and Pippindale. Comment
  UCD59946  Crypsis schoenoides David L. Morgan 1960-8-1 s. n. Sonoma 1/2 mile south of Penngrove on Hwy. 101. Willow Creek. Comment
  JEPS30831  Cryptantha leiocarpa Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8587 Sonoma 0.25 mi se Horseshoe Cove (at ne base of low hills forming Bodega Head proper); Bodega Head 12 Comment
  UC78074  Cryptantha leiocarpa Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  RSA151908  Cryptantha leiocarpa Peter M. Ray 1952-5-30 2299 Sonoma Between Bodega Harbor and the ocean, north of Bodega Head (near harbor just south of marsh indicated on Bodega Head quadrangle). Comment
  JEPS67871  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma canyon of Santa Rosa Creek Santa Rosa Creek Comment
  UC1731388  Cryptantha torreyana Dean W. Taylor 1998-6-22 16688 Sonoma 0.3 mi along ridge from Eagle Rock Substation ((ridge dividing Bear Canyon from Squaw Cr.)); North Coast Ranges, Mayacamas Mountains, The Geysers Geother 792 Comment
  NY16704  Cupressus macnabiana C. B. Wolf 1934-10-18 6198 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
  JEPS79415  Cupressus macrocarpa Edward Lee with W. A. Setchell 1936-6-7 2189 Sonoma South ridge Fire Trail Bohemian Grove (Bohemian Grove, lower trees forming a very extensive area) Comment
  CAS-BOT-BC85474  Cupressus sargentii Lewis Samuel Rose 1955-7-11 55113 Sonoma 2 mi. e. of Occidental 243 Comment
  CAS-BOT-BC85475  Cupressus sargentii Roxana Stinchfield Ferris; L. Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  UC1193104  Cupressus sargentii R. H. Neuns 1950-5-5 105 Sonoma 2.5 mi w Mercuryville (Quad 60B4) 914 Comment
  UCD158872  Cupressus sargentii James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2905 Sonoma Mayacmas Mountains; northwest corner of Section 15, The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  NY16823  Cupressus sargentii C. B. Wolf 1934-10-13 6183 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
  RSA17611  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-13 6184 Sonoma Coys Ranch, about 2 miles from Occidental 91 Comment
  UCD164605  Cuscuta campestris Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC320510  Cynodon Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  RSA94465  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville; area between the Upper and the Lower marshes Comment
  UCD119156  Cynoglossum grande Botany 102 Students 1993-4-24 86 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. About 2 air miles S of Bald Mtn. Mid slope on Hillside Trail. 411 Comment
  UC1146618  Cynosurus cristatus Freed W. Hoffman 1943-6-20 2061 Sonoma Eckert Ranch near Salt Point (Sonoma Coast); North Coast Ranges, , near Salt Point Comment
  CAS-BOT-BC190436  Cynosurus echinatus Barrett Anderson 1987-4-27 3475 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  UCD60142  Cynosurus echinatus Mary M. Hektner 1974-5-27 10 Sonoma Sea Ranch, near State Highway 1, south of Whalers' Reach, Unit 7 Owners' Map. Comment
  UC1103633  Cyperus eragrostis Joseph P. Tracy 1947-10-6 17939 Sonoma Mayacama Creek below Knights Valley; Mayacama Creek 152 Comment
  CAS-BOT-BC114511  Cyperus eragrostis Saichi Kawahara 1968-8-27 475 Sonoma West bank of Russian River off Hwy 116, 1/2 mi E of Duncan Mills. 3 Comment
  CAS-BOT-BC114434  Cyperus erythrorhizos Peter Rubtzoff 1963-9-21 5270 Sonoma Laguna de Santa Rosa E of Graton. 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
  UC688870  Cyperus niger Freed Hoffman 1943-10-26 Sonoma overflow pool of Russian R. Guerneville Comment
  CAS-BOT-BC113908  Cyperus niger var. capitatus Peter Rubtzoff 1953-11-1 1443 Sonoma Vacation Beach, Near Guerneville. Sandy beach of Russian River. Comment
  CAS-BOT-BC113911  Cyperus niger var. capitatus Peter Rubtzoff 1963-9-28 5283 Sonoma Fitch Mtn. Grove, 2 mi E of Healdsburg. Shaded, wet ground on Russian River bottom. Comment
  JEPS18145  Cypripedium californicum Rimo Bacigalupi with G. T. Robbins and F. Hoffman 1956-5-30 5668 Sonoma vicinity of The Cedars (along and just above creek-bed, near Layton Chromite Mine); headwaters of Big Austin Creek 266 Comment
  UC1299377  Cypripedium californicum Freed W. Hoffman 1947-5-30 514 a Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC136482  Cypripedium montanum Mrs. H. C. Cantelow 1948-5-21 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  UCD105688  Cytisus scoparius Andreas Stohr 1996-5-19 17 Sonoma Roadside 7 miles west of Petaluma. 100 Comment
  CAS-BOT-BC201022  Cytisus scoparius Alice S. M. McKenzie 1980-12-27 s.n. Sonoma Behind house at 21001 N. Coast Hwy., Timber Cove area Comment
  CAS-BOT-BC189850  Dactylis glomerata David L. Morgan 1956-5-18 s.n. Sonoma On Highway 12 (State) 5.4 miles south of Santa Rosa City Limits. Comment
  SEINET10515575  Dactylis glomerata A. Arthur Heller 1902-6-7 Heller 5657 Sonoma Bennett Valley, SE of Santa Rosa. Comment
  CAS-BOT-BC445557  Damasonium californicum Peter Rubtzoff 1958-5-10 3653 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road). 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-BC192283  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC192284  Danthonia californica P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar Comment
  CAS-BOT-BC210142  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  LA11229  Danthonia californica Joseph Andorfer Ewan; 1935-5-13 9259 Sonoma near Wright School on Sebastopol road Comment
  UCD33094  Danthonia californica Beecher Crampton 1966-5-10 7724 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UCD60497  Danthonia californica Beecher Crampton 1959-6-16 5378 Sonoma 1 mile E of Occidental. Comment
  UCD60994  Danthonia californica R. Tofsrud 1947-6-16 36 Sonoma Near Wright School, Hwy. 12 Comment
  UCR280139  Danthonia californica Peter Rubtzoff 1971-6-5 6508 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  UCD61010  Danthonia californica R. Tofsrud 1948-5-9 Sonoma 1 mi. E of Mark West Springs. Comment
  UCD60524  Danthonia californica var. americana R. Tofsrud 1948-6-24 s.n. Sonoma Old cemetery at end of McDonald Ave., Santa Rosa. Comment
  RSA94296  Danthonia californica var. californica Peter Rubtzoff 1952-5-31 1099 Sonoma Pitkin Marsh, near Forestville Comment
  UCR279632  Datura stramonium Peter Rubtzoff 1968-9-21 5986 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC376298  Daucus carota Greg de Nevers 1992-6-23 10176 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  JEPS15985  Daucus carota W. L. Jepson 1931-7-19 15936 Sonoma Bodega, Watson School 152 Comment
  JEPS15987  Daucus carota W. L. Jepson 1933-8-5 16552 Sonoma Sonoma Comment
  CAS-BOT-BC361341  Daucus pusillus Greg de Nevers 1997-4-24 10971 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA36848  Daucus pusillus 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
  UCD127412  Daucus pusillus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-6 129 Sonoma Unit 35A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC361290  Delphinium Greg de Nevers 1993-5-6 10436 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Weimar Flat 457 Comment
  CAS-BOT-BC9019  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC10345  Delphinium hesperium A. A. Heller 1902-4-1 s.n. Sonoma Santa Rosa Comment
  UC70363  Delphinium hesperium Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  CAS-BOT-BC10344  Delphinium hesperium Ella D. Cantelow 1938-5-15 2408 Sonoma About 5 mi. E of Geyserville near foot of grade to The Geysers Comment
  CAS-BOT-BC10346  Delphinium hesperium A. A. Heller 1940-6-12 15724 Sonoma A short distance west of Two Rocks Comment
  UC1031404  Delphinium hesperium subsp. hesperium C. Epling, L. Stebbins, and H. Lewis 1943-6-17 Sonoma rock outcrops about 2 mi e Bodega Bay Comment
  SEINET3159607  Delphinium luteum L. S. Rose 1939-1 Sonoma Comment
  CAS-BOT-BC8001  Delphinium nudicaule J. H. Thomas 1955-5-22 5186 Sonoma About 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 365 Comment
  SEINET7075473  Delphinium nudicaule A. G. Vestal 1955-5-7 s.n. Sonoma 4 air-miles north of Occidental and just east of the divide above Oregon Canyon. 38? deg. 27' 56" North Latitude, -122? deg. 56' 33" West Longitude. (NAD 27), UTM Zone 10, 505013mE, 4257264mN. [Coordinate Datum: WGS84/NAD83]. Comment
  UC9203  Delphinium nudicaule W. H. Brewer 1862-4-18 968 Sonoma near Sonoma Comment
  UCD160149  Delphinium nudicaule James A. Neilson Jr. 1974-4-30 2721 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) Comment
  UCR265118  Delphinium nudicaule Ann Howald 2015-4-1 3316 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  UC424806  Delphinium nudicaule Milo S. Baker 1930-4-5 3930 C Sonoma on Coast rd near Russian River Comment
  UC1126084  Delphinium variegatum H. S. Yates 1934-4-22 3848 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UC912671  Delphinium variegatum A. E. Borell 1928-4-13 122 Sonoma Petaluma Comment
  CAS-BOT-BC26766  Dendromecon myrtifolia Amos Arthur Heller; H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood Comment
  SEINET12091842  Dendromecon rigida F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -105 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.6 mi N of Cavedale Rd from jct 396 Comment
  SEINET12091845  Dendromecon rigida F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -160 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC586  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
  SDSU992  Deschampsia cespitosa subsp. cespitosa D. F. Howe 1963-7-3 3587 Sonoma 20 miles north of junction with #12 on #1 Comment
  CAS-BOT-BC192605  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1947-6-5 23245 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC192617  Deschampsia cespitosa subsp. holciformis Mary P. Wells 1981-8-2 s.n. Sonoma Path to garden from Timber Ridge Road, The Sea Ranch Comment
  CAS-BOT-BC201647  Deschampsia danthonioides G. DeNevers 1981-6-20 1638 Sonoma NE end of Pepperwood, on the E Road to Knights Valley 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
  JEPS45809  Deschampsia danthonioides Eleanor Armstrong 1932-5-18 160 Sonoma 4 mi. w. Santa Rosa 45 Comment
  UCR256128  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa Near Pepperwood Weimar Pond 183 Comment
  RSA155506  Deschampsia elongata L. S. Rose 1962-6-1 62064 Sonoma 1 mi. nw of Freestone 76 Comment
  RSA784398  Deschampsia elongata Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh. Comment
  RSA785841  Deschampsia elongata Peter Rubtzoff 1964-6-24 5373 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC208932  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell; J. W. Stacey 1936-7-26 12680 Sonoma Pitkin Marsh, 5 miles N of Sebastopol Comment
  CAS-BOT-BC208928  Dichanthelium acuminatum subsp. acuminatum Helen D. Geis 1902-8-1 569 Sonoma The Geysers Comment
  CAS-BOT-BC209250  Dichanthelium acuminatum subsp. acuminatum F. G. Krauss 1893-10-29 s.n. Sonoma Geyser Canyon Comment
  RSA759693  Dichanthelium acuminatum var. acuminatum R. D. Stone, G. Clifton 1983-6-16 553 Sonoma Little Geysers, upper Big Sulphur Creek drainage. 701 Comment
  UC1198177  Dichelostemma capitatum Joseph P. Tracy 1933-5-1 12125 Sonoma Knights Valley 152 Comment
  SEINET10965902  Dichelostemma capitatum A. Arthur Heller, H. E. Brown 1902-3-17 Heller 5087 Sonoma Hills 8 miles Northeast of Santa Rosa. Comment
  SEINET6879167  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  SBBG39521  Dichondra donelliana L. S. Rose 1970-4-18 70029 Sonoma 4 mi N of Sonoma 274 Comment
  CAS-BOT-BC183610  Digitaria Peter Rubtzoff 1971-8-23 6655 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  SEINET11690138  Digitaria ischaemum J. T. Howell, Best, C. 1986-1 s.n. Sonoma Sonma State Campus, Rohnert Park Comment
  CAS-BOT-BC209113  Digitaria sanguinalis Mary P. Wells 1985-8-19 599 Sonoma Ducker Creek Dike, Rincon Valley, Santa Rosa Comment
  UCD64092  Digitaria sanguinalis Virginia Bufford 1935-9-8 82 Sonoma Vine Hill District. Comment
  SEINET10662591  Digitaria sanguinalis P. Rubtzoff 1956-9-14 Rubtzoff 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC152042  Diplacus aurantiacus Francis W. Pennell 1940-7-2 26033 Sonoma Mountain northeast of Kenwood Springs 274 Comment
  CAS-BOT-BC151973  Diplacus douglasii Milo S. Baker 1927-4-12 2072 a Sonoma S.E. slope Hood's Peak 396 Comment
  CDA37724  Dipsacus sativus R. Breckenridge/S. Ostrom 2009-5-6 s.n. Sonoma Windsor, along Highway 101. 0 Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  CDA31328  Dittrichia graveolens Robin Breckenridge, K. Filippini 2009-12-3 PDR# 1313582 Sonoma Rohnert Park: intersection of Highway 116 West at 101 North. 0 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
  UC480629  Dodecatheon hendersonii Carl Meyer 1928-3-3 311 Sonoma Santa Rosa Comment
  SD88563  Dodecatheon hendersonii Darley F. Howe 1972-2-20 4804 Sonoma Mt. Hood Range Comment
  SEINET12320776  Downingia concolor W. Knight, Knight, I. 1980-1 3880 Sonoma Half mi S of junction of highways 116 and 121 in Sonoma Valley Comment
  RSA21846  Downingia concolor var. concolor Alice Eastwood, J. T. Howell 1936-5-19 2508 Sonoma 2 miles north of Windsor Comment
  RSA654064  Downingia concolor var. concolor Beecher Crampton 1966-5-10 7728 Sonoma 6.5 miles N of Sonoma on State Hwy 12, Glen Ellen station (CA dept. of forestry). Comment
  UCD151171  Draba verna James A. Neilson Jr. 1974-3-27 3020 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC401570  Drosera rotundifolia John Thomas Howell 1945-5-30 20906 Sonoma Pitkin Marsh Comment
  UCD113045  Drymocallis glandulosa Frederica Bowcutt 1994-6-12 1842 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 Sonoma Creek near trailhead for Hillside trail. 381 Comment
  CAS-BOT-BC159445  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1952-6-10 1222 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  JEPS95271  Drymocallis glandulosa var. wrangelliana Linda Esposito 1993-4-29 336 Sonoma ranch N of Bodega, in lower Salmon Creek watershed, cut bank above Salmon Creek Road Comment
  RSA123331  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3812 Sonoma Near Bodega Port 8 Comment
  UCD136430  Dryopteris arguta Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1754 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  CAS-BOT-BC277741  Dryopteris arguta Mona Bourell; Alva Day; George Lindsey 1986-6-26 1813 Sonoma CAS Pepperwood Ranch. 6 miles east of Santa Rosa 365 Comment
  CAS-BOT-BC109485  Dudleya Roxana S. Ferris 1932-5-27 8260 Sonoma Bluffs northern end of Bodega Bay. Comment
  CAS-BOT-BC428383  Dudleya farinosa L. R. Abrams 1920-7-3 7634 Sonoma Near Stewarts Point Comment
  CAS-BOT-BC208582  Echinochloa crus-galli G. DeNevers 1981-7-1 1734 Sonoma Pippindale Garden, Blm, Pepperwood Ranch Comment
  CDA19690  Egeria densa McArthur 2001-10-5 PDR P 091882 Sonoma Sonoma Co. Regional Parks, Helen Putnam Regional Park, Chileno Valley Rd. Growing in still water. 0 Comment
  CHSC59374  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay, Bay Flat Road, near Clark Marsh. Roadside. Comment
  UCD61186  Ehrharta calycina P. G. Connors 1991-5-15 106 Sonoma Bay Flat Rd., above Spud Point Marina. Comment
  CAS-BOT-BC274415  Eleocharis Peter Rubtzoff 1970-8-18 6313 Sonoma 5 miles north of Sears Point. Comment
  CDA13127  Eleocharis acicularis G. F. Hrusa, R. Gross 1996-6-3 13062 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  SJSU5984  Eleocharis acicularis C. W. Sharsmith 1972-6-24 7797 Sonoma Forestville Marsh c, 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  UCD49786  Eleocharis macrostachya Mary M. Hektner; Sue Dakizaku and Cathy Hendel 1974-6-28 82 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  UCD164682  Eleocharis macrostachya Peter Rubtzoff 1976-5-30 8563 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC112072  Eleocharis quinqueflora Peter Rubtzoff 1951-8-5 596 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112205  Eleocharis radicans Peter Rubtzoff 1962-7-28 5006 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road. Comment
  RSA227199  Eleocharis radicans Peter Rubtzoff 1960-6-5 4440 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  RSA74319  Eleocharis radicans Milo S. Baker 9486 Sonoma Brookside Garden, near Kenwood Comment
  CAS-BOT-BC112274  Eleocharis rostellata Peter Rubtzoff 1951-7-7 361 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UC1146675  Elymus X hansenii Freed W. Hoffman 1941-8-2 2224 Sonoma Gualala River North Coast Ranges (headwaters) Comment
  SEINET266626  Elymus glaucus P. G. Connors 1990-6-4 25 Sonoma Bodega Head. Comment
  UC1146677  Elymus glaucus Freed W. Hoffman 1943-6-13 2047 Sonoma Little Sulphur Creek North Coast Ranges Comment
  RSA129232  Elymus glaucus H. S. Yates 1937-6-5 6574 Sonoma 3 miles S.S.E. of Wildwood; Santa Rosa 122 Comment
  SEINET11687494  Elymus glaucus W. Knight, Knight, I.; Edwards, S. 1986-1 5326 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  UC1011033  Elymus glaucus Virginia Bufford 1935-5-9 35 Sonoma Stony Point-Two Rock Rd.; along R.R. Comment
  CAS-BOT-BC203708  Elymus glaucus subsp. glaucus Milo S. Baker 1945-5-15 10919 Sonoma 4 mi W of Santa Rosa near Wright's School Comment
  CAS-BOT-BC203722  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1100 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  UC573704  Elymus glaucus subsp. virescens H. S. Yates 1936-5-17 5624 Sonoma 1 1/2 mi e Bodega Port; Duncan Mills Quadrangle 121 Comment
  RSA3446  Epilobium canum subsp. latifolium F. G. Krauss 1893-11-2 s.n. Sonoma Krauss Ranch Comment
  SEINET13287585 Image available Epilobium ciliatum A. G. Vestal 1937-6-18 s.n. Sonoma Comment
  CAS-BOT-BC262990  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1523 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  UCD105928  Epilobium ciliatum subsp. watsonii Frederica Bowcutt 1984-6-23 434 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  UCD105936  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-8 415 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD158775  Epilobium ciliatum subsp. watsonii James A. Neilson Jr. 1974-7-10 2814 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCR248946  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-6-21 4937 Sonoma Laguna de Santa Rosa area, NE of Graton, east of Laguna Rd. 21 Comment
  RSA37531  Epilobium ciliatum subsp. watsonii J. Prosser, E. Cahill, E. Hallberg 1940-1 MSB- 9672 Sonoma Bodega Trip Comment
  UCD166183  Epilobium densiflorum Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove on Lichan Road. 426 Comment
  UCD55338  Epilobium densiflorum Ellen Dean 2006-6-28 3182 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  UCR244514  Epilobium densiflorum Peter Rubtzoff 1969-8-26 6154 Sonoma On River Road, c. 3 miles west of Fulton 27 Comment
  POM256111  Epilobium hallianum Keith Wagnon 1940-1 MSB- 9587 Sonoma Perry s Marsh, 2 miles north of Sebastopol on highway (Gravenstein opposite Bennett s Nursery). Comment
  SEINET12194282  Epilobium minutum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -243 Sonoma end of Stoetz Road 200 Comment
  UC19965  Epilobium torreyi H. N. Bolander June 1867 6535 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  UCD165777  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC210085  Equisetum Peter Rubtzoff 1963-8-17 5237 Sonoma Russian River Mouth Marsh. Comment
  UC371111  Equisetum X ferrissii Miss M. Alice King 1897-1 Sonoma Comment
  CAS-BOT-BC57038  Equisetum arvense Peter Rubtzoff 1954-8-13 1705 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC57209  Equisetum hyemale subsp. affine Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  UCR244750  Equisetum hyemale subsp. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh Comment
  UCR279623  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton 20 Comment
  CAS-BOT-BC164076  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  CAS-BOT-BC57651  Equisetum telmateia Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh Comment
  UCD167968  Equisetum telmateia subsp. braunii James A. Neilson Jr. 1981-3-8 3985 Sonoma Mayacamas Mountains, Wildhorse Ck. at road crossing. (Exact location unknown, coordinates estimated by label maker.) Comment
  RSA309328  Equisetum telmateia var. braunii Edward Lee, W. A. Setchell 1936-6-7 2174 Sonoma Trail No. 10, Bohemian Grove. 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
  CAS-BOT-BC213571  Eragrostis hypnoides John Thomas Howell 1955-9-13 30913 Sonoma Sand bar of Russian River at Odd Fellows Park above Guerneville. Comment
  UC1146673  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma near Guerneville; North Coast Ranges, near Guerneville Comment
  UCD63537  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma Near Guerneville. Comment
  CAS-BOT-BC164079  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  UC615573  Eremocarpus setiger Beryl O. Schreiber 1933-8-10 925 Sonoma 3 mi s Kenwood Comment
  UC1299250  Erigeron Freed W. Hoffman 1946-8-14 590 Sonoma East Austin Creek North Coast Ranges, Rocky Mountain, East Austin Creek Comment
  CAS-BOT-BC293623  Erigeron biolettii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's [Duncans] Mills Comment
  UC909710  Erigeron biolettii Milo S. Baker 1950-8-1 12309 Sonoma near Kenwood (at summit above Coleman's Ranch); Hope Val Comment
  CAS-BOT-BC295123  Erigeron glaucus L. Beane; Lois E. James 1949-5-11 2072 Sonoma Between Fort Ross and Jenner Comment
  UC1557908  Erigeron glaucus J. Semple, S. Heard 1986-8-18 8545 Sonoma bluffs above Pebble Beach (CA-1, 10.1 km s of Mendocino Co. line); Pebble Beach Coastal Access, Pebble Beach Comment
  UC909773  Erigeron philadelphicus var. philadelphicus Milo S. Baker 1950-5-20 12224 Sonoma w side Los Guilicos Valley (near old rr right of way) Comment
  HSC100973  Erigeron serpentinus Peter Warner 2011-8-10 224 Sonoma Jenner Headlands Property, Upper Russian Gulch Pasture, N of power lines. 227 Comment
  HSC101101  Erigeron serpentinus Peter Warner 2011-8-12 230 Sonoma Jenner Headlands property, Jenner Pasture, about 400 m E 115 deg. S fr. cottage, corrals 173 Comment
  CAS-BOT-BC300306  Erigeron supplex A. G. Vestal 1937-6-18 s.n. Sonoma 1.7 mi n. of Stewarts Point P. O. Comment
  CDA11915  Eriodictyon californicum G. F. Hrusa, G. L. Stebbins 1994-4-8 11733 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Comment
  SD6690  Eriodictyon californicum unknown 1880-6-14 Sonoma Near Sonoma Comment
  POM180626  Eriogonum latifolium J. T. Howell 1930-6-8 5288 Sonoma 8.5 miles north of Bodega Bay. Comment
  SD38697  Eriogonum latifolium Edith A. Purer 1932-7-16 4033 Sonoma Bodega Bay, sandy bluff Comment
  SEINET6894807  Eriogonum latifolium W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma 5 miles north of Fort Ross. Comment
  CAS-BOT-BC259471  Eriogonum luteolum John Thomas Howell 1932-9-18 10785 Sonoma Field bordering Sonoma Creek where it enters the level of Sonoma Valley Comment
  UC77625  Eriogonum nudum var. auriculatum Dr. E. Palmer Sonoma Petaluma Comment
  UCD101270  Eriogonum ternatum Roger Raiche 1984-6-23 RR 40234 Sonoma The Cedars, 5 miles N of Cazadero on King Ridge Road, headwaters of Big Austin Creek. Above tributary creek referred to locally as Azalea Creek (NE fork before Layton Mine bldgs.) 548 Comment
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Oct 17 2013
  CAS-BOT-BC262390  Eriogonum vimineum G. DeNevers 1981-6-15 1513 Sonoma Pepperwood Ranch. On Franz Valley Road Comment
  CAS-BOT-BC262394  Eriogonum vimineum R. D. Stone 1983-6-13 533 Sonoma In headwaters of Squaw Cr. drainage, ca. 1.2 mi. WNW of Geyser Rock 975 Comment
  JEPS82287  Eriophorum crinigerum Roger Raiche 1983-6-25 20425 Sonoma near Laton Mine (headwaters of creek); the Cedars, Austin Creek 335 Comment
  UC507060  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-20 E 26 Sonoma 1 mi n Healdsburg Comment
  RSA143962  Eriophyllum lanatum var. achilleoides Roxana S. Ferris, Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  CAS-BOT-BC301287  Eriophyllum lanatum var. arachnoideum J. Clausen 1935-5-24 1086 Sonoma 5.1 mi. S. of Jenner on the Bodega road Comment
  CAS-BOT-BC301292  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1930-6-8 5292 Sonoma 8.5 miles n. of Bodega Bay Comment
  UC31670  Eriophyllum lanatum var. arachnoideum Harley P. Chandler 1900-5-25 694 Sonoma Bodega Bay Comment
  HSC8505  Erodium brachycarpum F. Demostene 1966-4-5 29 Sonoma 1 mi. W of Healdsburg Comment
  UCD160896  Erodium cicutarium James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3420 Sonoma Mayacmas Mountains, Caldwell Pines area, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC66138  Erodium moschatum A. A. Heller 1902-3-26 5159 Sonoma Santa Rosa Comment
  CAS-BOT-BC41436  Eruca vesicaria subsp. sativa Milo S. Baker 1935-3-1 8025 Sonoma About 5 miles form Santa Rosa on road to Sebastopol. Comment
  CDA28602  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 C Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. 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
  UCD150144  Eryngium aristulatum 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
  UCD127477  Eryngium aristulatum G. F. Hrusa; R. Gross 1997-7-24 14016 A Sonoma at CAS Pepperwood preserve. Comment
  UC765470  Eryngium aristulatum var. aristulatum R. F. Hoover 1938-6-14 3607 Sonoma 2 mi. s.e. Healdsburg Comment
  POM259750  Eryngium aristulatum var. aristulatum J. T. Howell 1933-4-1 10927 Sonoma 3 miles northeast of Petaluma Comment
  RSA227227  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-8-25 5805 Sonoma Laguna de Santa Rosa Comment
  JEPS84390  Eryngium armatum Roger Raiche 1989-6-4 90154 Sonoma n. Healdsburg (between Simi (site of winery) and the dump) Comment
  CDA20458  Eryngium armatum P. Lane 2003-7-25 PDR P 092137 Sonoma Northwestern California; 1301 Ferguson Rd, Sebastopol. 0 Comment
  POM259278  Eryngium armatum J. T. Howell 1938-7-3 13947 Sonoma Stony Point. Comment
  RSA223350  Eryngium armatum Peter Rubtzoff 1962-8-3 5019 Sonoma Atascadero Creek Marsh Comment
  SEINET12121701  Eryngium armatum W. Knight, Knight, I. 1984-1 5424 Sonoma Willow Creek "Rd 61 Comment
  CAS-BOT-BC54760  Erysimum franciscanum A. A. Heller; H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay. Comment
  CAS-BOT-BC54763  Erysimum franciscanum D. E. Breedlove 1961-12-31 1441 Sonoma At mouth of Russian River. 3 Comment
  SEINET9633973 Image available Erythronium californicum Fred W. Hoffman 1947-4-20 1866 Sonoma Near Mercury, Geysers to Healdsburg. Comment
  CAS-BOT-BC403710  Eschscholzia californica John H. Thomas 1976-6-16 18328 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD95316  Eschscholzia californica Cathy Hendel 1974-7-25 172 Sonoma alongside the Kirkwood House, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCSB50224  Eschscholzia californica Gray, John 1976-5-1 Sonoma Bluffs on Duncan's Landing peninsula, Sonoma Coast State Beaches, T6N RllW 15 Comment
  CAS-BOT-BC202772  Euonymus occidentalis H. L. Mason 1928-7-11 4890 Sonoma Canyon 2 miles north of Fort Ross Comment
  RSA135387  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  JEPS22971  Euonymus occidentalis var. occidentalis Harry K. Roberts 1959-5-18 Sonoma n.w. Sebastopol (Louis Giovanni ranch, first canyon s. of ranch house); Green Valley, Louis Giovanni ranch Comment
  UC110453  Euphorbia crenulata Katharine Brandegee Jun 1905 Sonoma Bodega Comment
  UCD77520  Euphorbia nutans Robert E. Preston 1999-11-9 1253 Sonoma Along Petaluma Hill Rd, 0.25 mi S of Yolanda Drive, ca. 1.2 mi S of Sonoma Co. fairgrounds, Santa Rosa. 42 Comment
  UCD142451  Euphorbia peplus Freed W. Hoffman 1947-2-28 604 Sonoma Wild Hog Ridge; headwaters of Palmer Creek, a branch of Mill Creek. Comment
  RSA0051265  Euthamia occidentalis Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  CAS-BOT-BC310739  Euthamia occidentalis W. Knight; I. Knight 1984-8-26 5428 Sonoma Willow Cr. Road 60 Comment
  CAS-BOT-BC262980  Fabaceae Peter Rubtzoff 1965-9-5 5642 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC376407  Festuca Greg de Nevers 1997-6-7 11019 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the Oak Hill Ranch burned area. 400 Comment
  RSA0062816  Festuca arundinacea Greg de Nevers 1989-04 9068 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCR248729  Festuca arundinacea Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCR249336  Festuca arundinacea Peter Rubtzoff 1962-6-13 4911 Sonoma Freestone Marsh 79 Comment
  UC573938  Festuca californica H. S. Yates 1934-4-21 3831 Sonoma 2 mi n County Farm; Santa Rosa Quad. 243 Comment
  CAS-BOT-BC283186  Festuca californica subsp. californica G. DeNevers 1981-4-25 801 Sonoma Near the main Pepperwood entrance, along the creek runnin past the chicken-goat area, Pepperwood Ranch Comment
  CAS-BOT-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  UC1011029  Festuca elmeri Virginia Bufford 1936-5-20 315 Sonoma 5 mi from Mark West (Mark West Rd) Comment
  CAS-BOT-BC278886  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-14 13534 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UC573696  Festuca occidentalis H. S. Yates 1936-5-16 5610 Sonoma 1 mi nw Mountain View; Sebastopol Quad. 91 Comment
  UCD66116  Festuca occidentalis Beecher Crampton 1955-6-17 2926 Sonoma State Hwy. 12, 1.6 miles west of Forestville. Comment
  UC1023597  Festuca rubra Virginia Bufford 1936-5-19 267 Sonoma 2 to 3 mi from Santa Rosa; Bennett Valley Comment
  UC767091  Festuca rubra R. F. Hoover 1941-5-14 5088 Sonoma 2 mi s Monte Rio (on road to Camp Meeker) Comment
  UCD66328  Festuca rubra P. B. Kennedy 1918-5-28 Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  UCD126866  Foeniculum vulgare Frederica Bowcutt 1996-5-19 2129 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. Adobe Canyon, about 1/8 air mile NE of Red Mtn. 701 Comment
  CAS-BOT-BC457583  Fragaria vesca subsp. californica Peter Rubtzoff 1953-5-17 1372 Sonoma Vacation Beach, near Guerneville Comment
  UCD158845  Frangula californica subsp. crassifolia James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2912 Sonoma The Geysers, west central part of Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  CAS-BOT-BC218585  Fraxinus latifolia Peter Rubtzoff 1964-6-20 5364 Sonoma Laguna de Santa Rosa southeast of Sebastopol near Cooper Road Comment
  JEPS42908  Fremontodendron californicum E. L. Greene 1912-6-21 Sonoma Glass Hill, Cazadero Comment
  CAS-BOT-BC130177  Fritillaria affinis John Thomas Howell 1924-3-22 289 Sonoma Camp Meeker Comment
  UC3652  Fritillaria affinis M. L. Dinglass 1898-3-1 Sonoma Glen Ellen Comment
  RSA247212  Fritillaria affinis Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1005 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 miles from junction with Highway 128 Comment
  RSA367707  Fritillaria affinis Cora Mae Life 1894-03 s.n. Sonoma Near Russian River Comment
  SEINET180533  Fritillaria lanceolata Mrs. E. Tucker 1936-4-5 Sonoma Camp Meeker. Comment
  CAS-BOT-BC130357  Fritillaria liliacea Miss. L. S. Huffine 1927-4-1 s.n. Sonoma On road from Occidental to Sebastopol Comment
  UC3634  Fritillaria recurva F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  UC615379  Fritillaria recurva Beryl O. Schreiber 1932-4-3 209 Sonoma e side of Mount St. Helena Mount St. Helena Comment
  UCD112402  Galium Christopher Mallek 2008-5-2 HC2- 11 Sonoma Hooker Canyon. 590 Comment
  JEPS128248  Galium aparine Roger Raiche 2000-5-28 114 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA264746  Galium aparine Peter Rubtzoff 1959-5-30 4068 Sonoma Freestone Marsh. Comment
  UCD121640  Galium aparine Frederica Bowcutt 1994-6-12 1851 b 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 Pony Gate Trail along east west trending stretch before entering oak woodland, out of view of kiosk and campground. 420 Comment
  JEPS52870  Galium californicum subsp. californicum Lauramay T. Dempster and Jean Colton 1963-8-5 3874 Sonoma 2 mi w Cloverdale (on road to Boonville); Alder Glen Springs Comment
  RSA67159  Galium californicum subsp. californicum J. T. Howell 1930-6-8 5246 Sonoma 1 mile east of Bodega Bay Comment
  UC28160  Galium divaricatum Michener and Bioletti 1892-7-1 Sonoma Hood Peak Comment
  CDA18033  Galium parisiense R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  SD123748  Galium parisiense J. C. Roos 1950-7-22 4875 Sonoma Sand bar along stream bed 2 miles east of Duncan Mills 60 Comment
  RSA67138  Galium porrigens J. T. Howell 1930-6-8 5263 Sonoma 1 mile east of Bodega Bay Comment
  POM194199  Galium porrigens J. T. Howell 1929-6-9 4297 Sonoma 2 miles N of Sonoma Comment
  JEPS87246  Galium porrigens var. porrigens Jack and Betty Guggolz 1992-8-29 1346 Sonoma about 2 mi nnw Camp Meeker 146 Comment
  UC28222  Galium porrigens var. porrigens W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  UCD121907  Galium porrigens var. tenue Botany 102 Students 1993-5-8 268 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. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail about 110 ft. above parking lot. About 1 air mile S of Red Mountain, N of Sonoma Creek. Comment
  UC28229  Galium tricornutum F. T. Bioletti 1890-1 Sonoma Comment
  UC55251  Garrya congdonii Milo S. Baker 1903-10-3 1 Sonoma Hood Mt. Comment
  CAS-BOT-BC199067  Garrya elliptica L. R. Abrams 1920-7-3 7628 Sonoma Stewarts Point Comment
  CDA11139  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11550 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). Comment
  RSA0055007  Garrya fremontii James R. Shevock 1972-3-28 1487 Sonoma Ida Canyon road near Mt. Helena. 609 Comment
  CAS-BOT-BC278683  Gastridium phleoides G. DeNevers 1981-9-12 1843 Sonoma Pepperwood Ranch. On Mark West Creek, at confluence with Leslie Creek Comment
  CAS-BOT-BC278690  Gastridium phleoides Peter Rubtzoff 1959-9-19 4280 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC278694  Gastridium phleoides Peter Rubtzoff 1962-9-16 5091 Sonoma Vacation Beach, 1.5 mi. below Guerneville Comment
  UC38573  Gastridium ventricosum J. Burtt Davy July 1896 4017 Sonoma Russian River below Guerneville; Russian River Comment
  SEINET7062819  Gaultheria shallon A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  CAS-BOT-BC193257  Genista monspessulana Walter Knight; Irja Knight 1963-8-23 402 Sonoma Joost Ranch, Calistoga Rd. Comment
  UCD105714  Genista monspessulana Frederica Bowcutt; Kate Mawdsley 1996-3-24 2093 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. About 1 1/4 air miles SW of Red Mountain. Just E of Goodspeed Trailhead, along Adobe Canyon Road immed. N of road, just S of Sonoma Creek. 243 Comment
  UC405441  Gentiana affinis var. ovata Katharine Brandegee June 1905 Sonoma Bodega Bay 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
  RSA74043  Gilia capitata Anonymous 1947-5-30 11776 Sonoma ca 2 mi NE of Occidental along Harrison grade Comment
  UCD160142  Gilia capitata James A. Neilson Jr. 1973-6-7 3045 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  POM253004  Gilia capitata A. A. Heller 1937-5-9 15336 Sonoma Roadside bank in clay soil between Hopland and Mountain House. Comment
  SEINET5501090  Gilia capitata Sally Walker 1981-5-25 Sonoma 4 miles W of Occidental Sonoma Co. Comment
  UC133787  Gilia millefoliata Alice Eastwood Sonoma Bodega Point Comment
  JEPS86003  Gilia tricolor subsp. tricolor Alice King 1897-5-10 Sonoma Healdsburg Comment
  CAS-BOT-BC266479  Githopsis diffusa Alice Eastwood 1915-6-6 4680 Sonoma Mount St Helena Comment
  RSA178003  Githopsis specularioides R. F. Thorne 1965-4-19 34292 -a Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  RSA436246  Githopsis specularioides P. H. Raven 1965-5-16 20217 Sonoma Near Frantz District School Comment
  SEINET10906071  Githopsis specularioides Frederic T. Bioletti 1892-5-15 Bioletti s.n. Sonoma Comment
  CAS-BOT-BC283842  Glyceria Paul But 1975-5-18 991 Sonoma W end of Sebastopol city limit, in vernal pool along road to Occidental Comment
  SEINET10717791  Glyceria P. Rubtzoff 1968-8-24 Rubtzoff 5935 Sonoma Upper Salmon Creek Marsh. Comment
  UCD66786  Glyceria declinata A. Swanson 1951-9-1 Sonoma Sebastopol. Comment
  UCD37100  Glyceria leptostachya Beecher Crampton 1955-6-17 2937 Sonoma 0.5 mile south of Guerneville. Comment
  UCR244735  Glyceria occidentalis Peter Rubtzoff 1966-4-30 5687 Sonoma North side of Hwy 116, 0.5 miles northwest of Stony Point Road crossing Comment
  RSA227239  Glyceria striata Peter Rubtzoff 1960-5-22 4414 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  RSA796404  Glyceria striata Peter Rubtzoff 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166687  Gnaphalium Peter Rubtzoff 1965-8-16 5606 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166784  Gnaphalium palustre Peter Rubtzoff 1958-7-19 3766 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CDA13133  Gnaphalium palustre G. F. Hrusa, R. Gross 1996-6-3 13068 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  CAS-BOT-BC164671  Gnaphalium purpureum Peter Rubtzoff 1952-6-10 1221 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  UC429316  Goodyera oblongifolia Franklin P. Nutting Sonoma Taylor Creek; Western Middle California, Taylor Creek Comment
  CAS-BOT-BC261653  Gratiola Peter Rubtzoff 1967-7-30 5846 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS4240  Gratiola ebracteata W. L. Jepson 1921-5-6 9193 Sonoma Sonoma Valley 30 Comment
  UCD148466  Grindelia camporum 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-BC305175  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC305182  Grindelia hirsutula Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers Comment
  CAS-BOT-BC305197  Grindelia hirsutula John Thomas Howell 1929-6-30 4318 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  JEPS41888  Grindelia hirsutula Eleanor Armstrong 1932-6-20 493 Sonoma 2 mi sw Santa Rosa; Bennett Valley 60 Comment
  UC1093968  Grindelia hirsutula Herbert L. Mason 1930-6-1 5653 Sonoma mouth of Gualala River Gualala River Comment
  UC32138  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  UC762573  Grindelia hirsutula R. F. Hoover 5306 Sonoma Occidental Comment
  UCR50519  Grindelia nana L. F. LaPre, K. Campbell 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
Read comments
Aug 29 2007
  CAS-BOT-BC361294  Habenaria Greg de Nevers 1993-8-30 10493 Sonoma Field redacted by CAS, contact the data manager for more information 457 Comment
  UC38766  Hainardia cylindrica Mr. Leckenby June 1896 Sonoma Petaluma Comment
  UCD85145  Hainardia cylindrica Beecher Crampton 1957-7-11 4323 Sonoma in Sonoma Coast State Park, about 0.8 mile north of Salmon Creek, along State Hwy. 1. Comment
  CAS-BOT-BC371462  Hedera helix Greg de Nevers 1989-8-28 9097 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  CAS-BOT-BC306771  Helenium bigelovii John Thomas Howell 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  UCSB9937  Helenium bigelovii Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners 60 Comment
  CAS-BOT-BC306765  Helenium bigelovii Milo S. Baker 1927-6-9 2217 b Sonoma About Kenwood Comment
  POM54893  Helenium puberulum A. A. Heller 1902-7-1 5795 Sonoma Lagoon at Sebastopol Comment
  JEPS25146  Helianthella californica subsp. californica G. Thomas Robbins 1959-5-16 4016 Sonoma Spring Mtn. Road between Calistoga Road and Sonoma-Napa County line; Mayacamas Mts. 304 Comment
  UC897266  Helianthella californica subsp. californica Lewis S. Rose 1940-5-6 40261 Sonoma 4 mi e Santa Rosa; Rincon Ridge 304 Comment
  JEPS86760  Helianthus californicus Jack and Betty Guggolz 1990-9-9 1088 Sonoma between Cloverdale and the Asti crossing (Russian River bed); Russian River 79 Comment
  CAS-BOT-BC305971  Helminthotheca echioides Walter Knight; Irja Knight No date on label 120 Sonoma Blue Bell Lane, Coddingtown Comment
  CAS-BOT-BC268124  Hemizonia Peter Rubtzoff; Nancy Harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC173586  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC262984  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  RSA796386  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma 6.5 miles NE of Penngrove, on Lichan Road 427 Comment
  RSA1110  Hemizonia clevelandii E. R. Johnson 1928-8-22 1111 Sonoma Cloverdale Comment
  RSA94176  Hemizonia clevelandii F. W. Peirson 1925-8-8 6347 Sonoma About 1 mile N of Santa Rosa. Comment
  POM118169  Hemizonia congesta H. M. Hall 1916-6-23 257 Sonoma 12 km NW of Petaluma. Comment
  RSA608263  Hemizonia congesta J. T. Howell, J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  UC990601  Hemizonia congesta James I. McMurphy 1909-8-9 711 Sonoma between Sonoma and Petaluma; Sonoma Comment
  LA203724  Hemizonia congesta subsp. congesta H. M. Hall; 1916-6-23 10241 Sonoma 12 km NW of Petaluma Comment
  LA203725  Hemizonia congesta subsp. congesta Lewis S. Rose; 1935-9-11 35622 Sonoma 2 mi. N of Healdsburg 39 Comment
  SDSU4572  Hemizonia congesta subsp. congesta D. F. Howe 1962-7-29 3364 Sonoma 4.3 miles north of Jenner on #1. 122 Comment
  UC990604  Hemizonia congesta subsp. congesta James I. McMurphy 1909-8-9 Sonoma 1 mi s Sonoma Comment
  UC990616  Hemizonia congesta subsp. congesta James I. McMurphy Sonoma foothills e Fulton (pasture near stream) Comment
  CAS-BOT-BC306218  Hemizonia congesta subsp. congesta H. M. Hall 1931-5-26 13079 Sonoma Six miles northwest of Petaluma Comment
  CAS-BOT-BC306240  Hemizonia congesta subsp. congesta J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC306244  Hemizonia congesta subsp. congesta James I. McMurphy 1908-9-1 s.n. Sonoma George's Vineyard, near Fulton Comment
  CAS-BOT-BC309680  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles ne. of Penngrove 243 Comment
  CAS-BOT-BC309684  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma Adobe Road and Casa Grande Road near Petaluma Comment
  CAS-BOT-BC309693  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-8 701 a Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309703  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-9 710 Sonoma Hills between Sonoma & Petaluma Comment
  CAS-BOT-BC309726  Hemizonia congesta subsp. lutescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC309733  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-1 5718 Sonoma Halfway up Meeker Grade Comment
  SEINET4560744  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-1 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. 34 Comment
  UC1199371  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1935-8-18 14744 Sonoma Knights Valley North Coast Ranges, Knights Valley 152 Comment
  UC480911  Hemizonia congesta subsp. luzulifolia Katharine Brandegee 1910-8-14 Sonoma Cobb. Mt. Cobb Mt. Comment
  UC990605  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-7 699 Sonoma 7 mi from Santa Rosa (on road to Calistoga) Comment
  CAS-BOT-BC309948  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1966-8-23 9918 Sonoma Mark West Creek, on Santa Rosa-Calistoga road near junction of St. Helena Road Comment
  CAS-BOT-BC309958  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-8-29 185 Sonoma Casa Grande Road, Petaluma Comment
  OBI16230  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-8-23 9918 Sonoma Mark West Creek, on Santa Rosa-Calistoga Rd near jctn of St Helena Rd Comment
  RSA0015420  Hemizonia congesta subsp. luzulifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  POM215135  Hemizonia fitchii D. D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville. Comment
  JEPS29497  Hesperevax sparsiflora var. sparsiflora W. L. Jepson 1921-6-3 9306 Sonoma s Santa Rosa (near Wilfred Station, in a flat in the Cotati Valley, on the Northwestern Pacific Ry); Cotati Valley 28 Comment
  UCR261633  Hesperevax sparsiflora var. sparsiflora Ann Howald 2003-5-15 2334 B 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
  CDA28491  Hesperolinon micranthum D. G. Kelch 2007-5-13 7 .295 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UC903740  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma s slope of mountain above Baker Ranch; Inner North Coast Ranges, Hood Mt. 213 Comment
  UCD110535  Hesperolinon micranthum Frederica Bowcutt 1994-5-21 1817 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. Along the Meadow Trail ~3/4 mile from the trail head, east from trail up ~ 100 yds. 411 Comment
  UC1212391  Hesperolinon spergulinum Helen K. Sharsmith 1952-7-23 4168 Sonoma 1.1 mi ne Skaggs Springs; Inner North Coast Ranges 106 Comment
  CAS-BOT-BC149832  Heteromeles arbutifolia Peter Rubtzoff 1952-6-15 1268 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC149828  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-12-27 461 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC311059  Heterotheca oregona var. oregona Greg de Nevers 1992-7-25 10229 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Mark West Creek 304 Comment
  CAS-BOT-BC311163  Heterotheca sessiliflora subsp. bolanderi J. W. Congdon 1880-7-1 s.n. Sonoma Two Rock Comment
  CAS-BOT-BC420941  Heuchera micrantha var. diversifolia Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Rd. 9 miles east of Stewarts POint Comment
  UC420433  Heuchera micrantha var. erubescens Milo S. Baker 1898-6-11 678 Sonoma Little Sulphur Creek Comment
  UC496422  Heuchera micrantha var. erubescens Merle Randall 1930-6-7 Sonoma Redwood Forest Comment
  SEINET3817294 Image available Heuchera pilosissima Lewis S. Rose 1939-5-14 39119 Sonoma 2 miles east of Bodega Bay. 30 Comment
  CAS-BOT-BC319710  Hieracium albiflorum Marian L. Campbell 1920-8-1 s.n. Sonoma Monte Rio Comment
  SEINET9362826  Hieracium albiflorum Unknown 1995-6-8 2825 Sonoma 7 mi NW of Calistoga. Madrone-Douglas Fir-Quercus-Rhus assoc. Rdside rubble Botany 102, Botany Department, University of California, Davis. 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
  SD134002  Hoita macrostachya Greg de Nevers, Buddy Goatcher 1987-6-30 8228 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, at spring 99 Comment
  CAS-BOT-BC280788  Holcus lanatus G. DeNevers 1981-6-6 1485 Sonoma Pepperwood Ranch. At a marsh on E side of Road Comment
  POM139965  Holodiscus discolor M. S. Baker 1898-06 607 Sonoma Near Sebastopol. Comment
  CAS-BOT-BC152391  Holodiscus discolor var. discolor D. E. Breedlove 1980-6-27 44761 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC315807  Holozonia filipes Greg de Nevers 1996-5-30 10834 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  UCR279627  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 363 Comment
  RSA783726  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  UC1002647  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Ranch, Kenwood Coney Lake 365 Comment
  UCD148362  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  UCD85403  Hordeum brachyantherum Hursh 1919-5-13 X 3244 Sonoma Santa Rosa. Comment
  CAS-BOT-BC289284  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1957-5-11 3344 Sonoma Occidental Mash Comment
  CAS-BOT-BC289293  Hordeum brachyantherum subsp. brachyantherum Barrett Anderson 1987-4-27 3464 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  UCD85380  Hordeum brachyantherum subsp. californicum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 35 A Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. 30 Comment
  SEINET248557 Image available Hordeum leporinum Richard R. Halse 1987-2-2 3375 Sonoma Along State Hwy. 121, .4 miles E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  CAS-BOT-BC285185  Hordeum marinum subsp. gussoneanum G. DeNevers 1981-5-9 1019 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead Comment
  UC573679  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-5-16 5601 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UCD81357  Hordeum marinum subsp. gussoneanum Frederica Bowcutt; Jolie Hendricks, Jeff Kennedy 1994-5-1 1791 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. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence of Rattlesnake Creek, meadow in center of campground. 350 Comment
  CAS-BOT-BC284843  Hordeum murinum subsp. glaucum A. A. Heller 1902-4-11 5278 Sonoma Bodega Bay Comment
  POM205105  Hordeum murinum subsp. glaucum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  CAS-BOT-BC282019  Hordeum murinum subsp. leporinum Jack Guggolz; Betty Guggolz 1991-6-1 1163 Sonoma Collected between Blank Rd and Highway 116 and S of Hessel Rd, S of Sebastapol 38 Comment
  UCD113401  Horkelia californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 055 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SDSU9065  Horkelia californica D. F. Howe 1963-8-1 3653 Sonoma 2.2 miles north of Jenner on #1. Comment
  CAS-BOT-BC146521  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 miles north of Sebastopol Comment
  RSA118025  Horkelia tenuiloba J. T. Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  RSA731317  Horkelia tenuiloba Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  UCD160894  Hosackia crassifolia James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3273 Sonoma Mayacmas Mountains, Caldwell Pines area, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SD88314  Hosackia gracilis Darley F. Howe 1972-5-4 Sonoma 6.0 miles east of Highway 1 on road to Annapolis. Comment
  UC1122088  Hypericum anagalloides H. S. Yates 1936-5-16 5588 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  UC19034  Hypericum concinnum H. N. Bolander 1864-1 3948 Sonoma at the Geysers Comment
  SEINET5501095  Hypericum concinnum Sally Walker 1981-5-18 Sonoma Franz Valley Rd, .10 mi S of F.V. School Rd. 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
  RSA790604  Hypochaeris glabra Peter H. Raven 1950-4-6 1579 Sonoma Cotati to Santa Rosa. 152 Comment
  CAS-BOT-BC316716  Hypochaeris radicata Carl B. Wolf 1927-9-2 1347 Sonoma 2 miles south of Anchor Cove Comment
  SBBG21186  Hypochaeris radicata V. Haraden 1941-7-13 9 Sonoma ca. 1 mi N of head of Bodega Bay Comment
  CAS-BOT-BC508353  Ipheion Peter H. Raven 1950-4-6 1598 Sonoma Santa Rosa to Rincon Ridge 152 Comment
  UC725311  Iris douglasiana A. A. Heller 1940-5-10 15605 Sonoma e of Stewart Point (near the Gualala River crossing) Comment
  UCD160311  Iris fernaldii James A. Neilson Jr. 1975-5-23 3211 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  RSA22094  Iris fernaldii Alice Eastwood, John Thomas Howell 1938-5-15 5512 Sonoma Near Mark West Springs Comment
  RSA48721  Iris fernaldii Lee W. Lenz 1949-5-2 14427 Sonoma Santa Rosa - Calistoga Road, 0.5 mile from junction with road to Mark West Springs 610 Comment
  RSA48724  Iris fernaldii Lee W. Lenz 1949-5-2 14427 Sonoma Santa Rosa - Calistoga Road, 0.5 mile from junction with road to Mark West Springs 610 Comment
  UCD138723  Iris fernaldii Erik Beever 1993-5-8 227 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. Pony Gate Trail. 365 Comment
  CAS-BOT-BC133677  Iris longipetala Peter Rubtzoff 1958-5-3 3625 Sonoma Atascadero Creek Marsh Comment
  RSA48725  Iris missouriensis Lee W. Lenz 1949-5-2 14428 Sonoma 3 miles from junction of State Highway 12 and road to Calistoga Comment
  UC725363  Iris purdyi A. A. Heller 1940-5-10 15611 Sonoma w of Skagg's Springs (on the road to Stewart Point) Comment
  UCD166077  Isoetes Peter Rubtzoff 1971-6-5 6514 Sonoma Dry bed of vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  JEPS121159  Isolepis carinata Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18594 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  CAS-BOT-BC112416  Isolepis carinata Peter Rubtzoff 1963-5-26 5140 Sonoma Bennett Mtn. Lake. Comment
  HSC100952  Isolepis carinata Peter Warner 2011-5-13 191 Sonoma Jenner Headlands, Upper Russian Gulch Pasture, near S fence-line with Boat Field, small drainage flowing NW towards Russian Gulch. 248 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
  CAS-BOT-BC112569  Isolepis cernua Peter Rubtzoff 1962-8-22 5059 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC112570  Isolepis cernua Peter Rubtzoff 1955-7-31 2015 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC112573  Isolepis cernua Peter Rubtzoff 1954-8-9 1660 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC112574  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC109884  Juncus Peter Rubtzoff 1974-10-20 7938 Sonoma Hinebaugh Creek in Rohnert Park.Creek east of Commerce Blvd. Comment
  CAS-BOT-BC322125  Juncus arcticus Peter Rubtzoff 1963-6-6 5170 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  UC1601701  Juncus bufonius J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  UC143806  Juncus bufonius var. congestus A. A. Heller 1902-6-11 5688 Sonoma e of Santa Rosa; Santa Rosa Creek Comment
  RSA234552  Juncus dubius Peter Rubtzoff 1960-6-9 4490 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  SEINET5586469  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-1 5920 Sonoma Upper Salmon Creek Marsh. Comment
  CHSC8230  Juncus ensifolius J. G. Moore 1969-5-10 139 Sonoma 8 mi. s of Stewarts Point. On e side of Hwy. 1. 30 Comment
  CAS-BOT-BC164053  Juncus hesperius Peter Rubtzoff 1970-9-3 6374 Sonoma Sonoma: Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing Comment
  UCR280132  Juncus hesperius Peter Rubtzoff 1970-9-3 6375 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC173511  Juncus hesperius Peter Rubtzoff 1969-8-14 6137 Sonoma Sonoma: Coleman Marsh Comment
  RSA789174  Juncus hesperius Peter Rubtzoff 1969-8-14 6137 Sonoma Coleman Marsh. Comment
  UCD166109  Juncus kelloggii Peter Rubtzoff 1972-4-23 6732 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UCD166334  Juncus laccatus Peter Rubtzoff 1968-7-13 5919 Sonoma upper Salmon Creek Marsh. Comment
  CAS-BOT-BC328116  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh. Comment
  UCR248733  Juncus lescurii Peter Rubtzoff 1954-7-26 1554 Sonoma Coleman Marsh, along Salmon Creek 3 Comment
  UCR248954  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh 9 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
  SD30906  Juncus patens Edith A. Purer 1932-7-24 4069 Sonoma From Bodega Bay to Santa Rosa, in canyon. Comment
  RSA94072  Juncus phaeocephalus var. phaeocephalus J. T. Howell 1947-6-26 23300 Sonoma Cunningham Marsh. 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
  UC169319  Keckiella corymbosa Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6009 Sonoma Austin Creek Comment
  CAS-BOT-BC320568  Kickxia Peter Rubtzoff 1970-7-11 6281 Sonoma Laguna de Santa Rosa northwest of Trenton, at Healdsburg Road crossing. Comment
  CAS-BOT-BC320577  Kickxia Peter Rubtzoff 1970-9-8 6381 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  UCR248737  Kickxia spuria Peter Rubtzoff 1970-9-8 6381 Sonoma marsh on River Road, c. 3 miles west of Fulton 27 Comment
  UCD85860  Koeleria macrantha P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  UC1019891  Koeleria macrantha Milo S. Baker June 1945 10923 Sonoma opposite house at Maplewood Adobe Canyon Comment
  CAS-BOT-BC273781  Koeleria pyramidata Mary P. Wells 1985-4-27 505 A Sonoma Monan's Rill (no. of St. Helena Road & east of Calistoga Road) Comment
  RSA0065154  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  CAS-BOT-BC340487  Lactuca saligna Walter Knight; Irja Knight 1963-8-30 184 Sonoma On Kentucky St between Prospect & Oak Sts. - Petaluma Comment
  UCD158720  Lactuca serriola Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. At the end of the road leading to headwaters of Big Sulphur Creek. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 975 Comment
  CAS-BOT-BC340660  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  UCR267442  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, south of River Rd. and west of Fulton Rd., just north of Wood Rd. Sampling pool # 4 45 Comment
  JEPS6195  Lasthenia californica subsp. bakeri Peter Kamb 1950-6-17 1877 Sonoma 2.9 mi w of fork in road to Bodega and Valley Ford (s side Cheney Gulch); Larkspur Rock 30 Comment
  SEINET11447680 Image available Lasthenia californica subsp. macrantha K. Brandegee 1905-6-27 s.n. Sonoma Near Bodega Bay; 38.33325 -123.048057 Comment
  SJSU11865  Lasthenia californica subsp. macrantha S. H. Casey 1969-5-13 243 Sonoma Sea Ranch, 3 mi N of Stewarts Point Comment
  UC517469  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  CAS-BOT-BC370851  Lasthenia minor Katharine Brandegee 1905-6-1 s.n. Sonoma Bodega Comment
  CAS-BOT-BC370892  Lasthenia minor A. A. Heller; H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  RSA8459  Lasthenia minor Roxana S. Ferris 1932-5-27 8256 Sonoma Northern end of Bodega Bay. Comment
  SD64376  Lasthenia minor Darley F. Howe 1966-6-2 Sonoma Coast, 4.0 miles north of Bodega Bay on Highway 1. Comment
  UCR255451  Lathyrus palustris Ann Howald 2014-5-16 3004 Sonoma North Coast, lowest coastal terrace, c. 1.5 mi southeast of Del Mar Point 21 Comment
  SEINET956151  Lathyrus polyphyllus Carl B. Wolf 1934-1 5799 Sonoma 6/10 mi. Inland from Stwearts Pt. Redwood forest floor, semishade. Comment
  UCR255031  Lathyrus sphaericus Greg de Nevers 1996-6-3 10824 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  HSC100959  Lathyrus torreyi Peter Warner, Sarah Gordon 2011-5-16 198 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), Fern Trail along lower to mid-Mill Creek. 273 Comment
  RSA0018561  Lathyrus vestitus Keith E. Hoffmaster 1946-3-9 1085 Sonoma near Bodega. Comment
  UC864425  Lathyrus vestitus var. alefeldii Marcus E. Jones, A. M. 1882-7-17 3576 Sonoma Duncan's Mills Comment
  UCR222530  Lathyrus vestitus var. ochropetalus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16247 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  UCD106545  Lathyrus vestitus var. ochropetalus Christine Lee 1993-4-24 85 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. Hillside Trail about 2 air miles S of Bald Mtn. Midslope on Hillside Trail. 411 Comment
  UCD106547  Lathyrus vestitus var. ochropetalus Patti Togioka; Rimy Waraich, and Erik Beever 1993-5-8 233 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
  UC15369  Lathyrus vestitus var. vestitus Harley P. Chandler 1900-5-25 701 Sonoma Bodega Bay Comment
  CAS-BOT-BC323227  Layia chrysanthemoides David D. Keck 1931-4-2 997 Sonoma Boyes Springs. 30 Comment
  HSC82080  Layia chrysanthemoides Thomas W. Nelson, Jane P. Nelson 1980-5-3 5125 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  HSC5917  Layia chrysanthemoides R. F. Good 1962-4-19 26 Sonoma 2 mi. W of Petaluma on D St. extension toward Pt. Reyes; Sonoma Mt. Coast Range 0 Comment
  POM361720  Layia chrysanthemoides J. T. Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  UC584226  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 mi s Jenner Comment
  POM53343  Layia platyglossa subsp. campestris H. E. Brown, A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood. Comment
  CAS-BOT-BC312696  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  SD260873  Leersia oryzoides Peter Rubtzoff 1973-9-4 7298 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. In shallow water near the margin, in the open. Comment
  SEINET10461287  Legenere limosa P. Rubtzoff 1969-5-24 Rubtzoff 6051 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  UCD166258  Lemna Peter Rubtzoff 1970-8-18 6315 Sonoma 5 miles north of Sears Point. 11 Comment
  HSC15301  Lemna minor Leo Koch 1940-6-12 1011 Sonoma In hills behind Fountiangrove Vineyard, 3 mi. N of Santa Rosa along Hwy. 101 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-BC527284  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC534883  Lemna valdiviana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5847 Sonoma Llano Road near sewage disiposal plant near bridge on water of Laguna de Santa Rosa Comment
  UCD161377  Lepechinia calycina James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Crest of ridge between Squaw Creek and Big Sulphur Creek. (Elevation and exact location estimated by label maker.) 731 Comment
  SEINET12329980  Lepechinia calycina F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -190 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 630 Comment
  CAS-BOT-BC173644  Lepidium Peter Rubtzoff 1965-8-22 5611 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) Comment
  CAS-BOT-BC173653  Lepidium Peter Rubtzoff 1959-6-13 4131 Sonoma Willow Creek Marsh, banks of Willow Creek Comment
  CAS-BOT-BC89740  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  CAS-BOT-BC12757  Lepidium oxycarpum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma. 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
  UCD158816  Leptosiphon androsaceus James A. Neilson Jr. 1974-4-17 2870 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCSB12381  Leptosiphon androsaceus Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Bodega State Park Comment
  CAS-BOT-BC226701  Leptosiphon jepsonii D. E. Breedlove 1983-4-11 58684 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC376245  Leptosiphon parviflorus Greg de Nevers 1992-4-28 10118 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC499111  Leptosiphon parviflorus Ann Howald 2015-4-13 3343 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, NW corner, S of Marsh Trail 362 Comment
  UC1785058  Leptosiphon parviflorus J. Ewan 1935-5-13 9258 Sonoma Wright School on Sebastopol road Comment
  JEPS126509  Lessingia arachnoidea Staci Markos, Jack and Betty Guggolz and Gene Cooley 2001-9-24 210 Sonoma North of Camp Meeker near the Bohemian Highway, Bohemian Ranch, Amaryllis Flat. Comment
  JEPS87254  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1336 Sonoma about 1 3/4 mi nw of Camp Meeker 146 Comment
  JEPS87256  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1339 Sonoma about 2 1/4 mi nw of Camp Meeker 207 Comment
  NY180565  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC324193  Lessingia hololeuca John Thomas Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to Camp Meeker Comment
  UCD92466  Leymus X vancouverensis Beecher Crampton 1959-6-16 5402 Sonoma Doran Park, south end of Bodega Bay. Comment
  UCD61337  Leymus californicus Collector Unknown 1942-5-23 10198 Sonoma 2.5 miles W of Bodega town, turning right in town. Comment
  UC1146642  Leymus triticoides Freed W. Hoffman 1941-6-22 2084 Sonoma Wright's Beach North Coast Ranges, Sonoma Coast Comment
  CAS-BOT-BC436056  Ligusticum grayi Rimo Bacigalupi 1926-5-2 1388 Sonoma Cazadero Comment
  IRVC1238007  Lilaea scilloides J. H. Weiler, D. Kaplan 1961-3-27 6163 Sonoma 4.4 miles north of Sears Point. Roadside ditch with running water along Highway 37. Comment
  UC1084423  Lilium maritimum G. Thomas Robbins 1938-6-23 267 Sonoma ca 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
Read comments
Dec 13 2006
  CAS-BOT-BC130696  Lilium occidentale Peter Rubtzoff 1951-7-22 538 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130828  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130832  Lilium pardalinum Peter Rubtzoff 1955-7-24 1991 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC123087  Lilium pitkinense Lawrence Beane; Albert Michael Vollmer 1954-7-20 1270 Sonoma in the Pitkin Marsh Comment
  POM137210  Limnanthes douglasii L. R. Abrams 1918-4-27 7070 Sonoma Santa Rosa Comment
  RSA215898  Limnanthes douglasii Peter Rubtzoff 1955-5-21 1875 Sonoma Ross Marsh. Comment
  POM126412  Limnanthes douglasii subsp. douglasii I. J. Condit 1913-3-7 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC45951  Limnanthes vinculans John Thomas Howell 1947-6-5 23233 Sonoma Cunningham Marsh Comment
  NY37427  Limnanthes vinculans P. Rubtzoff 1962-5-11 4825 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
  UCD166212  Limosella acaulis Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  JEPS58111  Linanthus acicularis W. L. Jepson 1911-4-30 4182 Sonoma near Glen Ellen; Sonoma Valley Comment
  UC72067  Linanthus androsaceus Milo S. Baker 1903-3-19 Sonoma Sonoma Creek Comment
  UC908783  Linanthus jepsonii Herbert L. Mason 1928-4-13 4337 Sonoma Reibli School Comment
  JEPS23256  Linaria vulgaris G. Thomas Robbins 1958-8-11 3924 Sonoma w of the town of Bodega (along Estero Lane a dirt road about 2 mi s of State Highway 1); Estero Lane Comment
  CAS-BOT-BC290635  Linum Peter Rubtzoff 1974-6-2 7522 Sonoma Upper Green Valley Marsh. Comment
  SEINET12186107  Linum bienne W. Knight, Knight, W. 1984-1 5116 Sonoma Parking lot median strip, Gualala Point Regional Park Comment
  JEPS70989  Linum grandiflorum Peter Rubtzoff 1972-4-23 6727 Sonoma 0.9 mi s Meacham Road junction with Stony Point Road (near Public Refuse Disposal Area road 0.25 mi w of Meacham Road junction) Comment
  JEPS117116  Linum trigynum Peter Warner 2010-6-16 167 Sonoma Jenner Headlands, Knoll Field, 203 m S 244 deg. W of residence house Comment
  UC75730  Lithophragma affine Miss M. Alice King May, 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UCR265120  Lithophragma affine Ann Howald 2015-4-1 3315 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  CAS-BOT-BC435672  Lithophragma heterophyllum G. DeNevers 1981-3-14 548 Sonoma Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. In the 1st E fork of the N fork, up the canyon where we planted Pinus ponderosa Comment
  CAS-BOT-BC361326  Livistona Greg de Nevers 1997-8-19 11082 Sonoma Santa Rosa, Peterson Lane Comment
  CAS-BOT-BC342133  Logfia filaginoides Greg de Nevers; Frank Almeda 1987-4-11 8140 Sonoma Pepperwood Rach Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  JEPS128268  Logfia filaginoides Roger Raiche 2000-4-8 026 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC581117  Logfia filaginoides H. L. Mason 1934-4-28 8062 Sonoma near Kenwood Springs (Baker's Ranch) Comment
  CAS-BOT-BC342497  Logfia gallica G. DeNevers 1981-5-15 1192 Sonoma Pepperwood Ranch. Ridgetop W of Garrison House, beneath the high power electric lines Comment
  CAS-BOT-BC283533  Lolium Roxana S. Ferris; Laura Lorraine 1961-6-14 13547 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC283282  Lolium multiflorum John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC283297  Lolium multiflorum G. DeNevers 1981-5-30 1352 Sonoma Pepperwood Ranch. On N side of Studio Road at base of hill, near the green Gate Comment
  RSA121233  Lolium temulentum H. S. Yates 1937-5-31 6560 Sonoma 1.5 mi. WNW of Mark West Springs 183 Comment
  UCD55147  Lomatium californicum Ellen Dean; Tammie Beyerl 2006-4-28 3029 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 254 Comment
  UC643374  Lomatium caruifolium var. caruifolium Milo S. Baker 1940-4-22 9545 Sonoma several mi. n. Windsor (unfenced field on e. side of hwy.) Comment
  SEINET191592  Lomatium dasycarpum Lewis S. Rose 1941-5-22 31247 Sonoma Rincon Ridge, 4 mi E of Santa Rosa 122 Comment
  UC1299237  Lomatium marginatum var. purpureum Freed W. Hoffman 1949-6-5 3212 Sonoma Lincoln Rock, on Lake County--Pine Flat road North Coast Ranges 685 Comment
  JEPS17532  Lomatium nudicaule W. L. Jepson 1912-4-17 4771 Sonoma Sonoma Valley Comment
  UC1123039  Lomatium nudicaule H. S. Yates 1934-4-22 3857 Sonoma 2 mi. s. Mark West; Calistoga Quad. Comment
  CAS-BOT-BC217809  Lomatium repostum Milo S. Baker 1947-5-5 11713 Sonoma Hood Mt. 304 Comment
  JEPS89885  Lomatium utriculatum Dean William Taylor 1973-2-19 2063 Sonoma along Bohemian Rd. near Camp Meeker 152 Comment
  CAS-BOT-BC240646  Lonicera hispidula Walter Knight; Irja Knight 1963-10-3 318 Sonoma Crane Canyon Comment
  UC765586  Lonicera hispidula var. vacillans Robert F. Hoover 1941-6-7 5302 Sonoma Molino-Occidental Comment
  UC1299561  Lonicera involucrata var. ledebourii Freed W. Hoffman 1947-2-23 618 Sonoma Russian Gulch near mouth of stream North Coast Ranges Comment
  UC28551  Lonicera involucrata var. ledebourii J. Burtt Davy 1896-3-13 1654 Sonoma Duncan's Mills Comment
  RSA0020336  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park, creek bed west of Commerce Blvd. crossing. Comment
  UC15740  Lotus aboriginus Michener and Bioletti 1892-7-6 Sonoma Gualala Comment
  UCD106701  Lotus angustissimus Robert E. Preston 2000-8-2 1427 Sonoma Ca. 2.5 mi NNE of Fort Ross, Seaview. 381 Comment
  RSA22095  Lotus angustissimus Alice Eastwood, John T. Howell 1938-7-11 6267 Sonoma Near Stillwater Cove Comment
  POM18969  Lotus formosissimus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 7471 Sonoma Near Windsor. Comment
  UC75639  Lotus formosissimus Miss Emma Lobenstein 1906-1-1 Sonoma Valley Ford Comment
  SEINET12165156  Lotus humistratus W. Knight, Knight, I.; DrEdwards, S. 1986-1 5353 Sonoma Geyser Peak - access from Healdsbrug-Geysers Rd 853 Comment
  SEINET3729647  Lotus purshianus A. A. Heller 1941-8-8 16278 Sonoma West of Petrified Forest Comment
  UC15595  Lotus scoparius Miss Alice King Jun 1897 Sonoma Healdsburg Comment
  SEINET12165328  Lotus scoparius W. Knight, Kinght, I.; DrEdwards, S. 1986-1 5323 Sonoma Geyser Peak Summit, access from Healdsburg-Geysers Rd 858 Comment
  UC750814  Lotus stipularis var. stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma w of Santa Rosa; Vine Hill Comment
  POM18955  Lotus unifoliolatus A. A. Heller 1902-6-24 5754 Sonoma Near Burkes Sanitarium Comment
  CAS-BOT-BC290621  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD165773  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  UC1714538  Ludwigia palustris Michener and Bioletti 1892-7-24 Sonoma Glen Ellen Comment
  CAS-BOT-BC201288  Lupinus Milo S. Baker 1928-6-28 3193 Sonoma Pitkin's Farm upland -Vine HIll Dist. Comment
  SEINET10488426  Lupinus albifrons Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-8 Conrad 7077 Sonoma Roadside along hwy 1, 3.4 miles n of jenner 91 Comment
  UC1299160  Lupinus albifrons Freed W. Hoffman 1947-2-28 758 Sonoma road from Great Eastern Quicksilver Mines to Austin's Ranch at top of grade near Guerneville; North Coast Ranges, near Guerneville Comment
  UC157780  Lupinus albifrons H. P. Chandler 1907-4-21 7530 Sonoma road from Glen Ellen to Oakville; rd fr Glen Ellen to Oakville Comment
  CAS-BOT-BC195975  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48161 Sonoma Junction Melitta-Mark West-Petrified Forest roads - Petrified Forest, 0.7 miles south Comment
  CAS-BOT-BC195982  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 mi. west along Guerneville road Comment
  UCD106015  Lupinus albifrons var. albifrons Frederica Bowcutt 1996-5-24 2158 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/Rattlesnake Creek confluence on small knoll. 381 Comment
  CAS-BOT-BC196462  Lupinus arboreus Catherine Best 1981-4-4 s.n. Sonoma On Coleman Valley Rd just west of Coleman Valley Comment
  UC15932  Lupinus bicolor W. H. Brewer 1862-4-17 982 Sonoma Sonoma Valley Comment
  UCR248750  Lupinus bicolor Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR275269  Lupinus bicolor Peter Rubtzoff 1974-4-17 7377 Sonoma Upper Green Valley Marsh Comment
  HSC14957  Lupinus bicolor S. N. Wiemeyer 1962-4-13 12 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UC725356  Lupinus formosus A. A. Heller 1940-5-17 15638 Sonoma 2 mi e Shellville (along State Hwy 37); ; E of Shellville along State Hwy. 37. Upper Sonoran Life Zone. Comment
  UC201962  Lupinus formosus Milo S. Baker May 1899 Sonoma on Occidental Road Green Valley near Gallager's Green Valley Comment
  SEINET10490759  Lupinus formosus var. formosus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20712 Sonoma Coll 5.3 mi e of the jct of hwy 101 and hwy 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  CDA36830  Lupinus latifolius CDFA Staff 2002-5-17 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SEINET10490782  Lupinus latifolius subsp. latifolius Robert F. Thorne 1965-4-19 Thorne 34317 Sonoma Fls violet; on well-drained embankment in douglas-fir forest; harrison grade, 1/2 Mi. From green valley rd.; With calycanthus, pseudotsuga, umbellularia, etc 152 Comment
  SD130433  Lupinus latifolius var. latifolius F. Almeda, G. DeNevers 1981-4-28 4908 Sonoma Pepperwood Ranch, ca. 0.5 miles from the main gate to Pepperwood Ranch Natural Preserve, just off Franz Valley Road Comment
  UC1223285  Lupinus microcarpus var. densiflorus Joseph P. Tracy 1933-5-1 12129 Sonoma below Knight's Valley along Mayacama Creek; along Mayacama Creek below Knight's Valley Comment
  OBI56912  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1418 Sonoma Roadside, D St. (Petaluma-Reyes Rd) 1.4 mi S Petaluma Blvd in Petaluma Comment
  UC82239  Lupinus microcarpus var. microcarpus Alice Eastwood Sonoma Bodega Point; ; Bodega Point, Sonoma Co. Comment
  SD64433  Lupinus microcarpus var. microcarpus Darley F. Howe 1966-6-2 Sonoma 5 miles south of Bodega Bay Comment
  UC65701  Lupinus nanus A. A. Heller 1902-4-9 5233 Sonoma Healdsburg Comment
  CDA27562  Lupinus nanus T. C. Fuller 1977-4-21 20191 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  UCD108932  Lupinus nanus Frederica Bowcutt 1996-3-24 2083 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 SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  CAS-BOT-BC311855  Lupinus nanus subsp. latifolius Peter Rubtzoff 1954-9-4 1724 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC320548  Lupinus polycarpus Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  SEINET12164400  Lupinus propinquus F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -147 Sonoma between Salmon Creek & Cormet at junction of Coleman Valley Road & CA 1 12 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
  CDA27598  Lupinus variicolor T. C. Fuller 1967-5-19 15883 Sonoma At the entrance of Doran Park on the Coast Highway (Highway 1), 1 mile south of the town of Bodega Bay. 0 Comment
  UCD166732  Luzula Peter Rubtzoff 1958-5-17 3680 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCD166725  Luzula Peter Rubtzoff 1963-5-26 5135 Sonoma Bennett Mountain Lake. Comment
  RSA177939  Luzula comosa Robert F. Thorne 1965-4-20 34337 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  RSA0015997  Lythrum hyssopifolia Peter Rubtzoff 1954-7-4 1521 Sonoma Southwest area adjoining Austin Creek Marsh. Comment
  CAS-BOT-BC166732  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC227611  Madia Peter Rubtzoff 1971-6-30 6582 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD160118  Madia anomala James A. Neilson Jr. 1973-6-3 3163 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
  SDSU4684  Madia citriodora D. F. Howe 1972-6-28 4844 Sonoma 4.5 miles north of Jenner. 122 Comment
  UCD151198  Madia elegans James A. Neilson Jr. 1974-7-10 2817 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, eastern Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  SD51335  Madia elegans subsp. densifolia Darley F. Howe 1961-7-29 3086 Sonoma 2 miles east of a point on #101, 4 miles north of Santa Rosa on road to Calistoga 120 Comment
  RSA81535  Madia elegans subsp. elegans James I. McMurphy 1908-9-27 s.n. Sonoma 2 miles south of Fulton Comment
  CDA8246  Madia elegans subsp. vernalis M. K. Bellue 1943-5-14 Sonoma Road into Donahue. 0 Comment
  CAS-BOT-BC344549  Madia exigua Peter Rubtzoff 1952-6-10 1207 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  SEINET11807610  Madia exigua F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -230 Sonoma end of Stoetz Road 310 Comment
  UCD134248  Madia exigua Frederica Bowcutt 1994-5-21 1819 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; 10 air miles E of Santa Rosa; 18 air miles NW of Napa. Along meadow trail approximately 3/4 mile from trailhead. 411 Comment
  CAS-BOT-BC166728  Madia gracilis Peter Rubtzoff 1964-6-24 5366 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC343453  Madia gracilis John Thomas Howell 1937-7-4 13066 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343463  Madia gracilis J. Clausen 1935-5-23 1075 Sonoma Petrified Forest, near entrance Comment
  JEPS128310  Madia gracilis Roger Raiche 2000-5-27 106 .00 Sonoma The Cedars, road into The Cedars at bridge (before 2nd crossing. Lower Russian River, Big Austin Creek watershed. Comment
  UC33208  Madia gracilis Harley P. Chandler 1900-5-25 663 Sonoma Bodega Comment
  POM53609  Madia gracilis subsp. gracilis Michener, F. T. Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  CAS-BOT-BC345227  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa Comment
  LA209925  Madia sativa O. H. Kappler; 1930-6-8 5264 Sonoma 1 mi. east of Bodega Bay Comment
  UC517527  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma near Kenwood Comment
  UC830910  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa Comment
  CAS-BOT-BC345208  Madia sativa James I. McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  CAS-BOT-BC345211  Madia sativa D. E. Breedlove 1961-12-31 1445 Sonoma At S side of mouth of Russian River 6 Comment
  UCD139078  Maianthemum racemosum M. Wiesendanger 1927-5-5 724 Sonoma Kenwood Springs. Comment
  SD88527  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-1 Sonoma Near mouth of Russian River. Comment
  CAS-BOT-BC511575  Maianthemum racemosum subsp. amplexicaule G. de Nevers 1981-3-21 578 Sonoma Jenner. Mouth of Russian River. Coastal Brush. Comment
  SEINET12048686  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Knight, W.; Knight, I. 1984-1 84 151 A Sonoma Bridgehaven, near junction of Willow Creek Rd & CA 1 along Russian River 37 Comment
  CAS-BOT-BC511499  Maianthemum stellatum J. W. Congdon 1880-5-2 s.n. Sonoma Cleveland's Creek Comment
  UCD139054  Maianthemum stellatum Mary M. Hektner 1976-5-13 259 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. 1325 Comment
  CAS-BOT-BC348220  Matricaria discoidea D. E. Breedlove 1980-6-28 44807 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD134575  Matricaria discoidea Caitlin Lewis; William Mutch 1993-4-17 9 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 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 Mountain 1 mile. Near visitor center; Sonoma Creek. 365 Comment
  RSA0009775  Medicago polymorpha Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC269516  Melica californica A. A. Heller 1902-4-23 5351 Sonoma Near Sonoma Comment
  UCD151224  Melica californica James A. Neilson Jr. 1974-5-17 2977 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, along road to PG and E geothermal units 9 and 10, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  SEINET10599374  Melica californica A. Arthur Heller Heller 5351 Sonoma Comment
  CAS-BOT-BC281277  Melica geyeri G. DeNevers 1981-5-14 1149 Sonoma Pepperwood Ranch. W arm of Garrison Canyon Comment
  UC1132259  Melica geyeri H. S. Yates 1937-6-6 6587 Sonoma hill between Freestone and Sebastopol Sebastopol 91 Comment
  UCD87313  Melica geyeri Virginia Bufford 1937-5-10 453 Sonoma Top of O'farrell Hill -- West of Sebastopol. Comment
  UCD87346  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  UC1132273  Melica harfordii H. S. Yates 1936-5-16 5615 Sonoma 2 mi nw Mountain View School; Sebastopol Quad. 76 Comment
  UC1132277  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  UCD87388  Melica harfordii B. Crampton 1955-6-17 2927 Sonoma 1.6 miles west of Forestville. Comment
  UCD87519  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  UCD87571  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mile SW of Petrified Forest 274 Comment
  JEPS45821  Melica torreyana Eleanor Armstrong 1932-5-19 164 Sonoma Camp Meeker 106 Comment
  UC573649  Melica torreyana H. S. Yates 1937-5-30 6542 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  SEINET10599669  Melica torreyana A. Arthur Heller 1902-3-17 Heller 5084 Sonoma Hills near Santa Rosa. Comment
  UCD89200  Melica torreyana R. Tofsrud 1942-4-1 300 Sonoma Stream bank 3 mi. east of Mark West resort on same road. Comment
  UCD81449  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma Sonoma. Comment
  CAS-BOT-BC164405  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh Comment
  POM283186  Melissa officinalis A. A. Heller 1902-7-8 5819 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC164353  Mentha Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  CAS-BOT-BC166905  Mentha Peter Rubtzoff 1955-8-28 2113 Sonoma Guerneville region. Vacation Beach, near Guerneville; Russian River. Comment
  CAS-BOT-BC166970  Mentha Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  UCR244600  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton, 1.5 mi north of Guerneville Road 23 Comment
  UCD148406  Mentha canadensis Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UC104585  Mentha pulegium W. E. Bryant July 1887 Sonoma Healdsburg Comment
  SD53368  Mentha pulegium Darley F. Howe 1962-7-28 3359 Sonoma Mark West Creek, 3.4 miles east of #101 Comment
  RSA785149  Mentha rotundifolia Peter Rubtzoff 1973-8-28 7276 Sonoma Upper Green Valley Marsh. Comment
  RSA784400  Mentha spicata Peter Rubtzoff 1954-9-6 1740 Sonoma Guerneville Marsh. Comment
  RSA785142  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Guerneville region: Russian River. Vacation Beach, near Guerneville. Comment
  UCR279625  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh [near Guerneville] Comment
  UCD136318  Micropus amphibolus M. Rei Scampavia Evangelista 2012-5-20 8 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  UCD166074  Microseris Peter Rubtzoff; H. A. Froebe 1971-5-30 6499 Sonoma Border of dry vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  SD56675  Microseris paludosa Darley F. Howe 1963-7-3 3592 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
  CAS-BOT-BC311865  Mimulus Peter Rubtzoff 1953-5-30 1418 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC320514  Mimulus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  RSA0025402  Mimulus Peter Rubtzoff 1976-6-18 8656 Sonoma Kenwood Marsh. Comment
  JEPS27319  Mimulus aurantiacus var. aurantiacus Eleanor Armstrong May 1932 503 Sonoma near Camp Meeker 121 Comment
  OBI39526  Mimulus aurantiacus var. aurantiacus F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-16 84 -076 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.4 mi N on Cavedale rd from jctn 107 Comment
  UC1193339  Mimulus aurantiacus var. aurantiacus R. H. Neuns 1950-5-8 108 Sonoma 5 mi e Geyserville; Quad. 60B3 457 Comment
  UC445122  Mimulus aurantiacus var. aurantiacus Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UC27048  Mimulus congdonii F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  RSA698954  Mimulus guttatus J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  UCR248740  Mimulus guttatus Peter Rubtzoff 1970-6-21 6271 Sonoma North Coast Ranges, tributary of Mark West Creek, c. 3 mi west of Fulton 49 Comment
  POM5061  Mimulus guttatus A. A. Heller, H. E. Brown 1902-4-23 5349 Sonoma Near Sonoma. Comment
  RSA434668  Mimulus guttatus Francis W. Pennell, H. L. Mason 1940-5-21 25483 Sonoma Route 28, Kellogg. 183 Comment
  RSA53848  Mimulus guttatus Milo S. Baker 1942-5-7 10196 Sonoma Ca. 1.5 miles west of summit on Spring Mt. Road. Comment
  JEPS19393  Mimulus inodorus G. Thomas Robbins 1937-6-5 226 Sonoma 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  UC1051635  Mimulus inodorus Peter Kamb 1950-6-16 1864 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  UC1239065  Mimulus microphyllus Freed W. Hoffman 1947-4-10 1890 Sonoma The Geysers North Coast Ranges Comment
  UC26993  Mimulus nasutus F. T. Bioletti 1892-1 Sonoma Comment
  SBBG83869  Mimulus nudatus L. F. LaPre 1986-6-3 Sonoma Dorr Place, 4 mi up private road from Mannings Flats in Austin Crk State Recreation Area, 6 mi N of Cazadero on upper Austin Crk 207 Comment
  JEPS19397  Mimulus tricolor G. Thomas Robbins 1938-5-19 264 Sonoma sw Santa Rosa (Stony Point Road, near The Lagunas) 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-BC388898  Minuartia douglasii Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  SBBG53026  Minuartia douglasii M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  JEPS128325  Moehringia macrophylla Roger Raiche 2000-3-26 007 .00 Sonoma The Cedars. Wooded Gulch (since distinguished from Mineral Spring Canyon, though here where the two meet). Lower Russian, Big Austin Creek watershed. Comment
  CAS-BOT-BC435111  Mollugo verticillata Peter Rubtzoff 1965-8-29 5624 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville). Comment
  UCD167562  Monardella James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. 1/4 mile north of Black Hawk Ranch. Banks above Squaw Creek. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  SEINET12326118  Monardella neglecta W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 229 Comment
  CAS-BOT-BC314202  Monardella villosa L. R. Abrams 1916-7-4 5790 Sonoma Road between Petrified Forest and Mark West. Comment
  SEINET4173672 Image available Monardella villosa Annetta Carter, Ethel Crum 1941-6-22 1641 Sonoma 3.3 miles east of Bay (Bodega Bay). Comment
  LA37424  Monardella villosa Carl Epling; Ledyard Stebbins, Harlan Lewis 1943-6-17 sn Sonoma Bodega Bay Comment
  RSA408692  Monardella villosa subsp. villosa Christopher Davidson 1977-6-20 6028 Sonoma Dry Creek Road 16.2 miles west of Geyserville. 229 Comment
  UC292737  Monardella villosa subsp. villosa Geo. W. Dunn June, 1890 Sonoma Comment
  SEINET12324061  Monardella viridis W. Knight, Knight, I. 1982-1 4624 Sonoma S-facing slope of Hood's Peak 305 Comment
  CAS-BOT-BC444994  Montia fontana Greg de Nevers 1990-3-26 9654 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Weimar Pond. 457 Comment
  CAS-BOT-BC444983  Montia fontana R. Bacigalupi 1948-3-6 2856 A Sonoma At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs, NW Sonoma County Comment
  CAS-BOT-BC444984  Montia fontana H. L. Mason 1926-3-20 2752 Sonoma Along railroad right-of-way, south of Calistoga Comment
  CAS-BOT-BC444990  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  CAS-BOT-BC445060  Montia linearis Alice Eastwood 1921-4-24 10348 Sonoma Santa Rosa Comment
  CAS-BOT-BC515644  Muilla maritima Rimo Bacigalupi 1926-3-27 1252 Sonoma Meadow opposite Myrtledale Geyser 1 1/2 mi north of Calistoga Comment
  RSA461913  Myrica californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. three miles north of Jenner. Comment
  CAS-BOT-BC251163  Myriophyllum aquaticum Peter Rubtzoff 1970-8-18 6318 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC376236  Myriophyllum hippuroides Greg de Nevers 1996-10-18 10887 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  CAS-BOT-BC376255  Najas guadalupensis Greg de Nevers 1992-7-21 10222 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Yellowjacket Lake 304 Comment
  UC1011037  Nassella lepida Virginia Bufford 1936-5-22 388 Sonoma Annapolis Rd 1 mi from junction with Skaggs Springs Rd. Comment
  UCD161373  Nassella lepida 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
  UCD87884  Nassella lepida P. B. Kennedy 1918-5-28 s.n. Sonoma Santa Rosa to Calistoga Road. Comment
  CAS-BOT-BC260282  Nassella pulchra G. DeNevers 1981-4-11 677 Sonoma Pepperwood Ranch. On S slope of 3 Tree Hill Comment
  SEINET7040130  Nassella pulchra A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  CAS-BOT-BC60519  Nasturtium officinale Peter Rubtzoff 1955-8-20 2087 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC60522  Nasturtium officinale Peter Rubtzoff 1960-5-22 4411 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  UCD116060  Nasturtium officinale Ella Dales Cantelow 1938-5-7 2389 Sonoma 8 mi. S. of Fort Ross. Comment
  CAS-BOT-BC366901  Navarretia Greg de Nevers 1997-8-17 11075 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC230264  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa 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
  UCR261637  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
  CDA390  Navarretia heterodoxa D. G. Kelch 2003-7-14 3 .38 Sonoma Cavedale Road. Comment
  UC952866  Navarretia heterodoxa Milo S. Baker Aug 1950 12308 Sonoma near Kenwood (Hope Valley a short distance s of summit above Coleman Ranch); Hope Valley Comment
  UC1719858  Navarretia jepsonii David Fruchter 1978-9-17 97 Sonoma Diamond D. Comment
  JEPS70380  Navarretia leucocephala subsp. plieantha Joseph Andorfer Ewan 1935-5-13 9265 Sonoma near Wright School (Sebastopol road) Comment
  SEINET191588  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  CAS-BOT-BC232689  Navarretia pubescens G. DeNevers 1982-6-5 2043 Sonoma Pepperwood Ranch. In ditch along road below Strebel Comment
  UC1042316  Navarretia viscidula John Thomas Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  UC494180  Nemophila heterophylla H. E. and S. T. Parks 1930-5-9 611 Sonoma Knights Valley Comment
  UCSC000579  Nemophila heterophylla Daisy Swett 1901-3-18 s.n. Sonoma Windsor Comment
  CHSC31076  Nemophila menziesii N. Kvasnik 1980-4-2 1 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  UC1057474  Nemophila menziesii G. Thomas Robbins 1940-3-21 289 Sonoma 2-3 mi se Windsor (Pleasant Avenue Road and Chalk Hill Road); se of Windsor 91 Comment
  SDSU6106  Nemophila menziesii subsp. atomaria D. F Howe 1972-5-1 4815 Sonoma Duncun Point Comment
  UCD158879  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-3-27 s.n. Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  RSA75893  Nemophila menziesii var. atomaria Lincoln Constance 1938-4-24 2158 Sonoma Mouth of small canyon, 0.5 mile south of Fort Ross. 91 Comment
  UCD120238  Nemophila menziesii var. atomaria J. Adams; J. Weick 1993-5-8 254 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. Comment
  UC58518  Nemophila parviflora A. A. Heller 1903-4-23 6611 Sonoma Fort Ross Comment
  UC880930  Nemophila parviflora Lewis S. Rose 1940-5-6 40262 Sonoma near Kenwood (Sonoma Creek Canyon); , near Kenwood 243 Comment
  UC32589  Nepeta cataria V. K. Chesnut Sonoma Petaluma Comment
  CAS-BOT-BC164379  Nicotiana Peter Rubtzoff 1974-8-3 7792 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River Comment
  CAS-BOT-BC231513  Nicotiana D. E. Krause 1894-5-1 s.n. Sonoma Unspecified Comment
  RSA791569  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  SD133974  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152 Comment
  CAS-BOT-BC400121  Nuphar polysepala Peter Rubtzoff 1951-7-8 417 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC140455  Oemleria cerasiformis Alice S. M. McKenzie 1981-2-23 18 Sonoma Fort Ross Road about ... mi. above Calif. State Hwy. 1. Beside road near wide place at San Andreas fault; Coast between Russian and Gualala Rivers Comment
  RSA20410  Oenanthe sarmentosa Roxana S. Ferris 1937-8-18 9376 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC251248  Oenothera Peter Rubtzoff 1971-5-8 6441 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD106944  Oenothera elata subsp. hookeri Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-29 90 A Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD35515  Orobanche californica subsp. californica B. Crampton 1957-7-11 4335 Sonoma 1.3 miles north of Salmon Creek, Sonoma Coast State Park. Comment
  POM182697  Orthocarpus erianthus D. D. Keck 1931-4-2 1001 Sonoma Boyes Springs 30 Comment
  POM210213  Orthocarpus faucibarbatus H. E. Parks 1930-5-9 s.n. Sonoma Knights Valley, Comment
  RSA177981  Orthocarpus faucibarbatus Robert F. Thorne 1965-4-19 34308 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; ca 4 miles W of Santa Rosa. 46 Comment
  SEINET8733536 Image available Orthocarpus faucibarbatus Lewis S. Rose 1933-1 33158 Sonoma BODEGA BAY 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
  RSA32863  Orthocarpus faucibarbatus var. albidus A. A. Heller 1937-5-1 16176 Sonoma Along State Highway #1, on the bluff at Bodega Bay, south of the Town of Bay. Comment
  UC1295818  Osmorhiza berteroi unknown 1892-2 Sonoma Petrified Forest Comment
  CDA34796  Oxalis pes-caprae Peter Warner 2010-3-29 123 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  HSC6144  Packera greenei H. K. Sharsmith 1952-6-18 4127 Sonoma Near junction of Socrates Mine road with Pine Flat-Middle-town road, Mayacamas Mountains 976 Comment
  UCD167112  Panicum acuminatum var. fasciculatum James Neilson 1975-7-8 3404 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD88704  Panicum acuminatum var. fasciculatum Peter Kamb; Francia Chisaki 1950-6-16 1852 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. South end of marsh. Comment
  UCD88559  Panicum acuminatum var. fasciculatum Freed W. Hoffman 1942-6-21 2143 Sonoma At 'Hillcrest' on highway from Forestville to Sebastopol. Comment
  UCD32823  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Comment
  UCD89129  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7149 Sonoma North East part of county. 'The Geysers', Big Sulphur Creek. Comment
  CAS-BOT-BC253773  Panicum capillare Peter Rubtzoff 1971-10-11 6719 Sonoma Russian River, Forest Hills, 5.5 miles E of Guerneville Comment
  CDA31308  Parentucellia viscosa D. G. Kelch, Ed Biffin 2010-5-3 10 .209 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC154982  Paspalum Peter Rubtzoff 1973-9-9 7307 Sonoma Kenwood Marsh. 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
  RSA784154  Paspalum dilatatum Peter Rubtzoff 1971-8-23 6647 Sonoma Spring Hill Road, 0.8 miles SE of Bodega Hwy. (of Two Rock Church). Comment
  RSA227225  Paspalum distichum Peter Rubtzoff 1954-7-5 1536 Sonoma Guerneville Marsh. Comment
  UC62502  Pellaea andromedifolia J. Burtt Davy 1894-12-9 863 Sonoma Kenwood Comment
  UCD137617  Pellaea andromedifolia Jennifer Bury; Peggy Herzog 1993-5-8 295 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. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. 365 Comment
  JEPS78830  Penstemon heterophyllus var. australis Edward Lee 1936-6-7 2199 Sonoma on the fire trail near Highpoint (Bohemian Grove); , near Highpoint Comment
  CAS-BOT-BC245714  Penstemon newberryi var. sonomensis E. Swett 1878-6-1 s.n. Sonoma Mt. St. Helena Comment
  SEINET12327816  Pentagramma triangularis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -095 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  UCD127856  Perideridia kelloggii G. F. Hrusa; R. Gross 1996-6-30 13058 Sonoma on summit of Mayacmas Range at west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  HSC100975  Perideridia kelloggii Peter Warner 2011-8-10 226 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  RSA97466  Perideridia kelloggii F. W. Peirson 1925-8-8 6343 Sonoma 5 miles south of Santa Rosa Comment
  CAS-BOT-BC413741  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC418906  Persicaria hydropiperoides Peter Rubtzoff 1960-9-17 4565 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  CAS-BOT-BC418923  Persicaria hydropiperoides Peter Rubtzoff 1963-9-1 5248 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC419118  Persicaria lapathifolia Peter Rubtzoff 1953-11-1 1439 Sonoma Vacation Beach, near Guerneville. Bank of Russian River 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
  CAS-BOT-BC419431  Persicaria punctata John Thomas Howell 1946-8-17 22854 Sonoma The Laguna north of Sebastopol Comment
  CDA12022  Petasites frigidus var. palmatus G. F. Hrusa 1990-3-29 7584 Sonoma North Coast Biodiversity Arena; on of Stewarts Pt. rd. approx. 1 m E of Hwy. 1. Comment
  UCD98401  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
  POM299082  Phacelia californica J. T. Howell 1930-7-27 5403 Sonoma One mile north of Fort Ross. Comment
  UC923137  Phacelia corymbosa Freed W. Hoffman 1950-6-17 3332 Sonoma Layton Chromite Mine North Coast Ranges, Austin Creek Comment
  UC1069266  Phacelia distans H. S. Yates 1934-4-21 3799 Sonoma near Bodega; Sebastopol Quadrangle Comment
  RSA0056425  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma Moon Mountain Road. Comment
  POM299003  Phacelia divaricata J. T. Howell 1931-4-18 6421 Sonoma Mouth of Salmon Creek, two miles north of Bay. Comment
  JEPS2165  Phacelia imbricata W. L. Jepson 1911-4-30 4185 Sonoma Sonoma Valley Comment
  UCD166121  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC258954  Phalaris aquatica Mary P. Wells 1984-5-24 297 Sonoma Annadel State Park (near Santa Rosa) Comment
  UCD88043  Phalaris aquatica Mary M. Hektner; Cathy Hendel 1974-6-28 82 A Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC258950  Phalaris aquatica J. Penalosa 1961-5-24 1602 Sonoma Pepper Rd. 0.9 mi. N of Petaluma - Valley Ford Rd. Comment
  RSA227232  Phalaris arundinacea Peter Rubtzoff 1962-5-25 4832 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  UC1132423  Phalaris canariensis H. S. Yates 1936-5-16 5621 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  CAS-BOT-BC265915  Phalaris lemmonii G. DeNevers; S. Kaza 1981-5-7 972 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  UC1011001  Phalaris lemmonii Virginia Bufford 1935-5-3 31 Sonoma vicinity Santa Rosa; Santa Rosa vicinity Comment
  UCD88878  Phalaris lemmonii A. A. Beetle 1946-5-7 4261 Sonoma Santa Rosa. Franklin Ave. Comment
  UC1146649  Phalaris paradoxa Freed W. Hoffman 1943-6-6 2209 Sonoma near Wright's Beach (Sonoma Coast); North Coast Ranges, , near Wright's Beach Comment
  UC50459  Phalaris paradoxa Mr. Leckenby June 1896 Sonoma Petaluma Comment
  CAS-BOT-BC253561  Phleum alpinum David D. Keck; J. Clausen 1935-6-15 3377 Sonoma 5 mi. S. of Jenner Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  UC50732  Phleum pratense J. Burtt Davy July 1896 Sonoma near Guerneville; near Guerneville Comment
  CAS-BOT-BC222474  Pholistoma Saichi Kawahara 1968-4-20 316 Sonoma 3 miles northeast of Lakeville Road 76 Comment
  CAS-BOT-BC171218  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-9-5 1805 Sonoma Pepperwood Ranch. Near Hansel's Well Comment
  JEPS42585  Phoradendron villosum F. T. Bioletti 1894-12-25 Sonoma Kenwood Comment
  CAS-BOT-BC251214  Phyla nodiflora Peter Rubtzoff 1973-9-4 7301 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA36258  Phyla nodiflora M. Lennox & D. Curle 2011-11-21 PDR# 1465997 Sonoma Hwy 121 Bridge (Tolay Creek). 0 Comment
  CAS-BOT-BC140612  Physocarpus capitatus Peter Rubtzoff 1959-6-7 4105 Sonoma Bank of Russian RIver betw. East Guerneville and Vacation Beach, nr. Guerneville Comment
  CAS-BOT-BC202280  Pickeringia montana var. montana Mary P. Wells 1983-8-3 s.n. Sonoma Pygmy Forest, Timber Preserve of Oceanic of California, inc., The Sea Ranch Comment
  CAS-BOT-BC202283  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-9-1 151 Sonoma Pine Mt. Rd, NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC202284  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-9-15 289 Sonoma Los Alamos Rd, Santa Rosa Comment
  RSA796384  Picris echioides Peter Rubtzoff 1964-8-26 5489 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  CAS-BOT-BC78332  Pinus attenuata Walter Knight; Irja Knight 1963-12-27 463 Sonoma Summit, Pine Flat Rd. Comment
  SBBG337  Pinus attenuata J. M. Tucker, C. H. Lamoureux 1958-6-8 3405 Sonoma roadside; 1.8 mi E of jct of Trinity Rd and St Hwy 12, beside the former Comment
  CAS-BOT-BC72879  Pinus muricata Mary P. Wells 1985-10-4 666 Sonoma Southeast edge of somewhat - pygmy part of Travelers Insurance Timber Preserve, the Sea Ranch. Comment
  SEINET4467740 Image available Pinus muricata var. borealis D. I. Axelrod 1983-1 E- 3 Sonoma Comment
  SEINET3874482 Image available Pinus radiata Ralph R. Wilson 1939-7-24 437 Sonoma Near Valley Ford.; 0 Comment
  CAS-BOT-BC137281  Piperia elegans Peter Rubtzoff 1952-6-10 1240 Sonoma Field redacted by CAS, contact the data manager for more information Comment
  RSA0047139  Piptochaetium setosum Tina Fabula 1996-6-10 s.n. Sonoma Fort Ross State Park. 134 Comment
  CAS-BOT-BC166780  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166956  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA785159  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE 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
  UCR244740  Plagiobothrys Peter Rubtzoff 1969-6-15 6093 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  CAS-BOT-BC156309  Plagiobothrys Peter Rubtzoff 1970-5-16 6230 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC166921  Plagiobothrys Peter Rubtzoff 1971-7-23 6612 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC166946  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176189  Plagiobothrys Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC361333  Plagiobothrys Greg de Nevers 1997-4-26 10981 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  SD260918  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point. Comment
  UC526161  Plagiobothrys greenei John Thomas Howell 1934-3-27 11803 Sonoma summit of Bennett Valley Road from Glen Ellen to Santa Rosa Comment
  UC881328  Plagiobothrys greenei Milo S. Baker 1940-4-24 9549 Sonoma s Warfield Comment
  UCD35301  Plagiobothrys greenei Beecher Crampton 1955-4-5 2413 Sonoma 2 miles southwest of Windsor. Comment
  UCD120854  Plagiobothrys leptocladus Mary M. Hektner 1976-4-3 233 -A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA788371  Plagiobothrys reticulatus Peter Rubtzoff, H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  RSA128349  Plagiobothrys stipitatus P. H. Raven 1950-4-6 1565 Sonoma Cotati to Santa Rosa. 30 Comment
  RSA0083878  Plagiobothrys stipitatus var. micranthus Peter Rubtzoff 1970-5-16 6231 Sonoma 5 miles north of Sears Point Comment
  UC881362  Plagiobothrys undulatus John Thomas Howell 1937-6-6 13014 Sonoma Sebastopol Comment
  RSA783738  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  RSA784982  Plagiobothrys undulatus Peter Rubtzoff 1969-5-24 6062 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  JEPS128243  Plantago erecta Roger Raiche 2000-5-4 070 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCSB50226  Plantago erecta Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6N R11W 15 Comment
  UC496402  Plantago lanceolata Merle Randall 1930-4-10 Sonoma Fort Ross to Jenner 91 Comment
  UC730039  Plantago lanceolata Leo F. Koch 1940-4-18 790 Sonoma 3 mi from Occidental (to Freestone) Comment
  UC1057476  Platanthera leucostachys G. Thomas Robbins 1937-5-23 208 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
  UC1051634  Platanthera limosa Peter Kamb 1950-6-16 1857 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
Read comments
1
  CAS-BOT-BC92124  Platystemon californicus Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs. Comment
  CHSC60118  Platystemon californicus E. L. Knight 1988-4-1 5 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  CAS-BOT-BC92125  Platystemon californicus Peter H. Raven 1955-3-20 8242 Sonoma One mile west of Schelville. Comment
  CAS-BOT-BC92126  Platystemon californicus George H. Mallory 1920-3-29 s.n. Sonoma East side of Rincon Valley 6 miles from Santa Rosa. Comment
  POM149315  Platystemon californicus var. californicus A. A. Heller, H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  UC131904  Plectritis brachystemon Alice Eastwood 1900-5-8 Sonoma Knights Valley Comment
  SEINET780339  Plectritis samolifolia J. Ewan 1935-5-13 9262 Sonoma Wright School on Sebastopol Road. Comment
  UC127248  Pleuropogon californicus C. H. Dwinelle 1908-5-13 4 Sonoma Fulton Comment
  RSA227223  Pleuropogon californicus var. californicus Peter Rubtzoff 1961-5-24 4601 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC260983  Pleuropogon californicus var. californicus J. W. Congdon 1880-4-19 s.n. Sonoma Petaluma 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
  NY431399  Pleuropogon hooverianus P. P. But 1975-5-17 P 4 Sonoma Along Bohemian Hwy. at Freestone Flat Road, 0.5 mile from Freestone Comment
  UCR275262  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  UCD92204  Poa Collector Unknown 1941-4-1 380 Sonoma S. R. Creek Canyon. Comment
  UCD92205  Poa Collector Unknown 1941-4-1 381 Sonoma field east of old S. R. Cemetary. Comment
  UCD90354  Poa annua Mary M. Hektner 1976-9-15 268 A Sonoma At Irena Morgan's, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC255611  Poa annua David L. Morgan 1956-4-5 s.n. Sonoma On Gold Ridge Road, near junction of Burnside Comment
  UCD90230  Poa annua Collector Unknown 1941-10-1 s.n. Sonoma Santa Rosa Creek. Comment
  HSC10670  Poa compressa J. V. Lenz 1947-4-19 Sonoma Santa Rosa. Comment
  SEINET10602223  Poa nevadensis A. Arthur Heller 1902-4-9 Heller 5249 Sonoma In a railroad cut 3 miles South of Healdsburg. Comment
  CAS-BOT-BC256023  Poa pratensis Greg de Nevers 1993-5-15 10444 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC256036  Poa pratensis Peter Rubtzoff 1963-6-5 5153 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC243252  Poa secunda subsp. secunda G. DeNevers 1981-4-25 803 Sonoma Pepperwood Ranch. Along Franz Valley Road below lower Pepperwood entrance Comment
  UCD37558  Poa secunda subsp. secunda Beecher Crampton 1955-4-5 2402 Sonoma 2 miles N of Healdsburg, along US Hwy 101. Comment
  UCD92089  Poa secunda subsp. secunda L. Whitney 1935-3-16 s.n. Sonoma Near Occidental. Comment
  UC1146599  Poa secunda subsp. secunda Freed W. Hoffman 1942-4-15 2261 Sonoma near Guerneville (Herr Ranch) Comment
  RSA129473  Poa trivialis H. S. Yates 1937-5-30 6558 Sonoma 1 1/2 miles N of Freestone. 91 Comment
  CAS-BOT-BC422361  Poa trivialis Peter Rubtzoff 1974-6-2 7526 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC244260  Poa unilateralis B. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar Comment
  UC573867  Poa unilateralis H. S. Yates 1934-4-3 3796 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UCD92153  Poa unilateralis David L. Morgan 1961-4-15 s.n. Sonoma above Bodega Bay. Comment
  CAS-BOT-BC244264  Poa unilateralis Catherine Best 1984-5-11 935 Sonoma Above the ocean at Salt Point State Park Comment
  CAS-BOT-BC361406  Poaceae Greg de Nevers 1993-8-21 10491 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Along Franz Creek 457 Comment
  JEPS62432  Pogogyne douglasii W. L. Jepson 1921-6-2 9302 b Sonoma Windsor, just east of Calhoun Ranch Comment
  RSA264717  Pogogyne douglasii subsp. parviflora Peter Rubtzoff 1974-5-26 7499 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS128235  Polygala californica Roger Raiche 2000-3-30 054 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA144915  Polygala californica Roxana S. Ferris, Laura Lorraine 1961-6-15 13553 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  RSA177923  Polygala californica Robert F. Thorne 1965-4-20 34371 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UC766345  Polygala californica R. F. Hoover 1939-4-18 4037 Sonoma Occidental Comment
  SEINET12205439  Polygala californica F. H. Utech 1986-1 86 -108 Sonoma ca 3.5 mi NE on Cavedale Road 350 Comment
  UC1541612  Polygala californica H. E. and S. T. Parks 1930-5-9 627 Sonoma near head Alexander Valley Comment
  CAS-BOT-BC110535  Polygonum Peter Rubtzoff 1973-8-20 7224 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164043  Polygonum arenastrum Peter Rubtzoff 1961-8-22 4681 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC414118  Polygonum aviculare subsp. aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  UCD148369  Polygonum aviculare subsp. depressum Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC414317  Polygonum aviculare subsp. neglectum Peter Rubtzoff 1959-6-20 4161 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC414335  Polygonum aviculare subsp. rurivagum John Thomas Howell 1932-9-18 10780 Sonoma Near Kenwood Comment
  SEINET11935784  Polygonum marinense P. G. Conners 1991-1 Sonoma Bodega Marine Reserve salt marsh Comment
  RSA472717  Polygonum paronychia E. A. Purer 1932-7-24 15967 Sonoma Bodega Bay. Comment
  SEINET11935872  Polygonum persicaria W. Knight, Knight, I. 1984-1 1368 Sonoma Willow Brook, 2 mi N of Petalnma Comment
  UC71487  Polypodium Bioletti 1894-1 Sonoma Kenwood Comment
  JEPS60082  Polypodium scouleri Alice Griffin 1924-9-1 Sonoma Stewart's Point Comment
  CAS-BOT-BC350910  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCR248722  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  CAS-BOT-BC233002  Polypogon australis Peter Rubtzoff 1955-8-13 2044 Sonoma Duncans Mills Marsh Comment
  RSA201192  Polypogon australis Peter Rubtzoff 1955-8-13 2044 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  CAS-BOT-BC233186  Polypogon interruptus Greg de Nevers 1992-6-26 10211 Sonoma Along Franz Creek. Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 91 Comment
  HSC10828  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma 3 mi. N of Santa Rosa along Hwy. 101, near pond in hills behind Fountaingrove Vineyard Comment
  SEINET8719333 Image available Polypogon lutosus Leo Koch 1940-1 1012 Sonoma Behind Fountaingrove Vineyard three miles north of Santa Rosa along Highway 101 Comment
  CAS-BOT-BC237412  Polypogon monspeliensis Peter Rubtzoff 1963-7-27 5217 Sonoma Lower Salmon Creek Marsh Comment
  HSC5276  Polypogon monspeliensis C. S. Chavez 1965-6-3 81 Sonoma One mile N of Santa Rosa on Hwy. 101. Comment
  UC963915  Polypogon monspeliensis Milo S. Baker 1946-10 11704 Sonoma less than 1 mi n junction of Sears Point Cutoff and Black Point Hwy (near Bay Marsh); n of junction of Sears Point Cutoff and Black Point Hwy Comment
  CAS-BOT-BC368071  Polystichum californicum Greg de Nevers 1998-5-31 11269 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek. 400 Comment
  UCD168040  Polystichum californicum James A. Neilson Jr. 1981-3-13 3993 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. 3/4 NE of confluence of Hummingbird Creek and Squaw Creek. (Newspaper lists S/2 NW/4 Sect. 34 T12 R9 while Notebook lists NE/4 SE/4 Sec. 33 T12 R9. Georeferenced to newspaper location information. Exact location unknown, coordinates estimated by label maker.) Comment
  HSC76927  Polystichum dudleyi R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove Comment
  SEINET11719542  Polystichum dudleyi F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -236 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCR222555  Polystichum munitum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16243 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  SEINET11718543  Polystichum munitum W. Knight, Knight, I.; Ellman, P. 1986-1 5849 Sonoma Bouverie Audubon preserve, 0.75 mi E of parking lot on fire road 46 Comment
  UCD136561  Polystichum munitum Botany 102 Students 1993-5-8 103 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. Comment
  CAS-BOT-BC257354  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. 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-BC102670  Populus fremontii Peter Rubtzoff 1965-8-22 5609 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC445291  Portulaca oleracea Peter Rubtzoff 1965-9-5 5635 Sonoma Forest Hills 5.5 mi east of Guerneville. Comment
  UCD166102  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa. 87 Comment
  JEPS42986  Potamogeton nodosus Willis L. Jepson 1892-8-7 13767 Sonoma near Geyserville; Russian River Comment
  JEPS23733  Prunella vulgaris Eleanor Armstrong May 1932 498 Sonoma near Camp Meeker; near Camp Meeker 121 Comment
  CAS-BOT-BC159844  Prunus cerasifera Greg de Nevers 2002-3-12 12648 Sonoma Bouverie Audubon Preserve, Highway 12, Glen Ellen Comment
  RSA0045172  Prunus virginiana var. demissa Greg de Nevers 1998-6-2 11267 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road at Bordjeiffs. 100 Comment
  CAS-BOT-BC356926  Pseudognaphalium californicum G. DeNevers 1981-6-15 1556 Sonoma Pepperwood Ranch. Along road from Bald Hills to Franz Valley Creek Comment
  UCD148405  Pseudognaphalium stramineum Peter Rubtzoff 1958-8-16 3884 Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  UCR2993  Pseudotsuga menziesii Wm. Horn Jr. 1963-4-10 630410- 2 Sonoma San Francisco Bay, 0.5 mi N on Jonive Rd. at a point 5 mi west of Sebastopol on Bodega Highway Comment
  CAS-BOT-BC173846  Psilocarphus Peter Rubtzoff; Nancy Harrison 1974-5-26 7480 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UCD166076  Psilocarphus Peter Rubtzoff 1971-6-5 6512 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784565  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road Comment
  RSA784567  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UCD166219  Psilocarphus Peter Rubtzoff 1970-5-30 6250 Sonoma 5 miles north of Sear Point. Comment
  CAS-BOT-BC72686  Pteridium aquilinum Irja Knight; Walter Knight 1964-11-15 s.n. Sonoma Hood's Peak at Johnson Lake Comment
  CAS-BOT-BC72690  Pteridium aquilinum Peter Rubtzoff 1951-8-18 613 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  JEPS79501  Pteridium aquilinum var. pubescens Edward Lee 1936-6-5 2175 Sonoma Trail No. 10 Bohemian Grove Comment
  SD27372  Pteridium aquilinum var. pubescens Kate O. Sessions 1881-1 Sonoma Comment
  UC1201280  Pteridium aquilinum var. pubescens E. Samuels 231 Sonoma Comment
  CAS-BOT-BC366943  Pyracantha crenulata Greg de Nevers 1993-7-10 10474 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa in creek W of Finnel cabin 400 Comment
  JEPS46204  Pyrola aphylla Eleanor Armstrong 1932-6-15 496 Sonoma Camp Meeker, 1 mi west of town on road to Living Tower 152 Comment
  CAS-BOT-BC36523  Quercus James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CDA31362  Quercus X eplingii D. G. Kelch, Ed Biffin 2010-5-3 10 .206-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UC424768  Quercus X morehus Milo S. Baker Jun 1929 3570 b Sonoma near Vine Hill School House Comment
  UC424815  Quercus X morehus unknown 1930-3-1 3880 Sonoma Vine Hill Region, on <?>rei Ranch Vine Hill Region Comment
  SEINET8981498  Quercus agrifolia L. Fallon 1939-1-6 s.n. Sonoma Santa Rosa Comment
  UC1135510  Quercus berberidifolia J. B. Spring 1932-6-27 92 Sonoma 2 mi n Agua Caliente; Napa Quad. 243 Comment
  UCD45209  Quercus berberidifolia Roman Gankin 1967-10-4 1078 1 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UCD45276  Quercus berberidifolia Roman Gankin 1967-10-4 1078 4 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UCSB1142  Quercus berberidifolia Keator, Glenn 1959-4-2 Sonoma 0.7 miles east on Cavedale road and 2.0 miles from Agua Caliente Comment
  POM188377  Quercus chrysolepis Marcus E. Jones 1931-8-3 28846 Sonoma Cloverdale. Comment
  UC1193272  Quercus douglasii G. W. Tourtillott 1950-4-28 14 Sonoma 1 mi e Hale ranch; Sulphur Creek 213 Comment
  SEINET12030399  Quercus douglasii W. Knight, Knight, I.; Knight, T. 1985-1 5391 Sonoma Pine Mt. Road Comment
  UC1193257  Quercus durata R. H. Neuns 1950-5-3 98 Sonoma 6 mi e Geyserville 441 Comment
  UC1135603  Quercus garryana J. B. Spring 1932-7-8 100 Sonoma 1 mi n Sonoma; Napa Quad. 152 Comment
  UC1135605  Quercus garryana J. B. Spring 1932-7-8 102 Sonoma Alta Vista Napa Quad. 304 Comment
  UCD124007  Quercus garryana var. garryana Frederica Bowcutt 1997-7-20 2201 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 3 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  HSC97740  Quercus kelloggii J. M. Tucker 1952-9-20 2624 Sonoma Voight Ranch 1.25 mi (air) SW of Cunningham, back of Voight House Comment
  POM188375  Quercus kelloggii Marcus E. Jones 1931-7-5 28847 Sonoma The Geysers. Comment
  SFV17742  Quercus kelloggii J. M. Tucker 1952-9-20 2621 Sonoma Voight Ranch, about 1.25 miles (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse. Comment
  UCD46723  Quercus kelloggii G. F. Hrusa; R. Gross 1996-3-8 12651 Sonoma At NE edge of Douglas-Fir forest near intersection of Ida Clayton Rd. and Hwy 128. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. 150 Comment
  UCD46737  Quercus kelloggii John M. Tucker 1952-9-20 2617 Sonoma California, Sonoma Co,; Voight Ranch, ca. 1.25 (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  CAS-BOT-BC62807  Quercus lobata Mary P. Wells 1984-4-20 188 Sonoma Ground of Friends House 684 Benicia Drive, Santa Rosa, Rincon Valley Comment
  CAS-BOT-BC134864  Quercus wislizeni Walter Knight; Irja Knight 1963-9-1 148 Sonoma Pine Mt. Rd. - NE of Cloverdale, Harold Smith Ranch Comment
  UCD14498  Quercus wislizeni Steven J. Barnhart 1994-6-5 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  CDA10852  Quercus wislizeni var. wislizeni G. F. Hrusa, G. L. Stebbins 1994-4-8 11728 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  CAS-BOT-BC376399  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch, south end of valley. 91 Comment
  UC9370  Ranunculus aquatilis var. capillaceus F. T. Bioletti 1892-1 Sonoma Comment
  UC827655  Ranunculus californicus A. A. Heller 1938-5-14 15082 Sonoma bluff n Bodega Bay Comment
  UCD95956  Ranunculus californicus P. B. Kennedy 1914-5-16 s.n. Sonoma Del Mar. Comment
  UCD95979  Ranunculus californicus Michael A. Vincent; Ethan H. Freid, Alex Reich 1998-4-8 8176 Sonoma Bodega Bay, University of California (Davis) Bodega marine Reserve, off Bodega Road, Bodega Head. Comment
  CAS-BOT-BC378689  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-2-27 532 Sonoma Highway 1 near Plantation turnoff Comment
  CAS-BOT-BC378696  Ranunculus californicus var. californicus V. Penalosa 1961-5-24 1579 Sonoma Unspecified Comment
  CAS-BOT-BC378706  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -E Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  CAS-BOT-BC378765  Ranunculus californicus var. cuneatus Walter Knight; Irja Knight 1964-2-27 530 Sonoma coastal bluff at Rocky Point a little south of Gualala Comment
  UC72749  Ranunculus lobbii Milo S. Baker 1898-5-7 603 Sonoma Glen Ellen Comment
  SEINET12094350  Ranunculus parviflorus H. K. Wagnon 1989-1 1867 Sonoma 5555 Montgomery Dr., Santa Rosa 67 Comment
  RSA534582  Ranunculus repens Peter Rubtzoff 1954-6-7 1481 Sonoma Guerneville Marsh Comment
  UCD135429  Rhagadiolus stellatus Caitlin Lewis; William Mutch 1993-4-17 25 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 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. Near visitor center. Along Sonoma Creek. 365 Comment
  RSA390199  Rhamnus californica Christopher Davidson 1977-6-20 60115 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA94322  Rhamnus californica Peter Rubtzoff 1951-8-18 616 Sonoma Uppermost part of the western branch of the upper. Comment
  POM88553  Rhamnus ilicifolia Helen D. Geis 1902-08 s.n. Sonoma Road to Skagg's Springs Comment
  CDA43236  Rhododendron occidentale G. F. Hrusa 1989-5-21 7035 Sonoma Austin Creek State Recreation Area; Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  UC157681  Rhododendron occidentale Milo S. Baker May, 1899 Sonoma near Forestville Comment
  UCD117929  Rhododendron occidentale K. Esau 1933-7-8 s.n. Sonoma Near Petrified Forest. Comment
  UCR23636  Rhododendron occidentale John C. Roos 1957-7-2 6645 Sonoma Miller Ridge Comment
  CAS-BOT-BC200334  Rhododendron occidentale var. occidentale Peter Rubtzoff 1957-5-11 3325 Sonoma Near Occidental-Graton road, 2.7 miles east of Occidental Comment
  CDA16153  Rhododendron occidentale var. occidentale R. Gross 1999-7-2 s.n. 1 Sonoma North Coast Ranges; NW side of Mt. St. Helena, seep below Ida Clayton Rd. (3 separate inds. on sheet.) 0 Comment
  CAS-BOT-BC111861  Rhynchospora Peter Rubtzoff 1977-9-4 9132 Sonoma Pitkin Marsh, near Forestville. Northern part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111887  Rhynchospora californica Peter Rubtzoff 1951-8-5 598 Sonoma Pitkin Marsh, Western branch of the Upper Marsh Comment
  CAS-BOT-BC111892  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  SEINET7546774  Rhynchospora californica J. T. Howell 1936-1 12679 Sonoma Pitkin Marsh, 5 mi. N of Sebastopol Comment
  CAS-BOT-BC111901  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  RSA35297  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC111925  Rhynchospora recognita John Thomas Howell 1946-8-17 22863 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC111931  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  UC79601  Ribes G. A. Newell Aug. 1900 Sonoma Russian River Station Russian River Comment
  JEPS128275  Ribes californicum Roger Raiche 2004-2-15 043 .04 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC93057  Ribes californicum var. californicum Walter Knight; Irja Knight 1964-3-9 562 Sonoma San Antonio Creek near bridge to Henry Corda Ranch. Comment
  CAS-BOT-BC169267  Ribes divaricatum Lewis S. Rose 1962-4-11 62018 Sonoma Laguna de Santa Rosa 1/2 mi. e of Cunningham 15 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
  CAS-BOT-BC169001  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1951-6-16 211 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  UC75450  Ribes menziesii Milo S. Baker 1898-4-5 Sonoma between Sea View and Stewarts Point (Coast Road) Comment
  UC75452  Ribes menziesii Milo S. Baker 1899-6-2 Sonoma Sonoma Creek Comment
  SEINET12217220  Ribes menziesii F. H. Utech 1988-1 88 -203 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  RSA0024576  Ribes roezlii var. cruentum R. C. Bacigalupi 1926-3-28 1268 Sonoma Patton s Toll House along old road. Mt. St. Helena. Comment
  RSA0024608  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC168768  Ribes victoris Michener; Bioletti 1893-4-1 219 Sonoma Adobe Canyon Comment
  UC1069441  Romanzoffia californica E. Armstrong 1934-3-26 915 Sonoma 2 mi. n.w. Camp Meeker; Sebastopol Quad. 91 Comment
  CAS-BOT-BC74694  Rorippa curvisiliqua Peter Rubtzoff 1955-9-10 2143 Sonoma Vacation Beach, near Guernville. Bank of Russian River. Comment
  CAS-BOT-BC74695  Rorippa curvisiliqua Peter Rubtzoff 1956-9-21 2936 Sonoma Vacation Beach, near Guernville. On Russian River bottom. Comment
  CAS-BOT-BC74696  Rorippa curvisiliqua Peter Rubtzoff 1958-5-17 3662 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC74702  Rorippa curvisiliqua Peter Rubtzoff 1959-4-19 4043 Sonoma Ross Marsh. Comment
  CAS-BOT-BC146775  Rosa gymnocarpa G. DeNevers 1982-5-18 2034 Sonoma Near Redwoods end at the Redwoods Comment
  UC12892  Rosa gymnocarpa unknown 1888-8-29 Sonoma below Guerneville; Russian River Comment
  CAS-BOT-BC148199  Rosa rubiginosa Dorothy Scherer 1997-5-20 121 Sonoma Ca. 100' north of Russian Orchard, along path to Sag Ponds, Fort Ross State Historic Park 106 Comment
  CAS-BOT-BC148200  Rosa rubiginosa Peter Rubtzoff 1959-5-30 4063 Sonoma Freestone Marsh Comment
  CAS-BOT-BC148204  Rosa rubiginosa John Thomas Howell 1946-8-17 22871 Sonoma Cunningham Marsh Comment
  UC191247  Rosa spithamea Edw. L. Greene 1888-9-1 Sonoma Comment
  UCR265086  Rubus armeniacus Ann Howald 2015-4-28 3374 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-BC156601  Rubus bifrons Peter Rubtzoff 1951-6-30 289 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC147993  Rubus leucodermis Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  UCD113832  Rubus parviflorus Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1766 a Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco; approximately 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail. Approximately 200 yards from the trail head on Adobe Canyon Road and just E of Bear Creek, about 5 yards N of confluence with Sonoma Creek. 198 Comment
  CAS-BOT-BC156663  Rubus spectabilis A. A. Heller; H. E. Brown 1902-3-29 5184 Sonoma Bodega Bay Comment
  UCR47956  Rubus spectabilis var. franciscanus D. Neubacher 1975-5-11 17 Sonoma Duncan Mills Campground in Duncan Mills Comment
  CAS-BOT-BC158722  Rubus ulmifolius Mary P. Wells 1985-7-1 527 Sonoma Bank of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC157173  Rubus ursinus Alice Eastwood; John Thomas Howell 1939-4-2 7359 Sonoma Larkspur Rock Comment
  HSC99998  Rubus ursinus J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12694 Sonoma Salt Point State Park Comment
  RSA800078  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  RSA800079  Rubus ursinus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC157665  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh. Area 27. Comment
  CAS-BOT-BC166917  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  RSA784563  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  RSA784601  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC422237  Rumex acetosella Blanca Barrell 1982-8-7 s.n. Sonoma The Sea Ranch Comment
  UCD100990  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. 1 mile from trailhead. 396 Comment
  CAS-BOT-BC433410  Rumex crispus Mary P. Wells 1984-5-30 317 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC433414  Rumex crispus G. DeNevers 1981-5-7 1004 Sonoma Pepperwood Ranch. Confluence of Leslie Creek with Mark West Creek, along the bank of Mark West Creek. Comment
  UCR244737  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  RSA783834  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road). Comment
  RSA783836  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  CAS-BOT-BC433739  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  CAS-BOT-BC166935  Rumex pulcher Peter Rubtzoff 1961-8-22 4689 Sonoma Fife Creek Marsh. 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
  CAS-BOT-BC239853  Rytidosperma penicillatum J. C. Roos 1957-7-2 6651 Sonoma Miller Ridge Comment
  CAS-BOT-BC320558  Sagina Peter Rubtzoff 1974-5-18 7408 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD98454  Sagina procumbens J. Buell Laing 1928-10-1 s.n. Sonoma Santa Rosa Country Club. Comment
  CAS-BOT-BC445698  Sagittaria cuneata Peter Rubtzoff 1963-7-27 5211 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445803  Sagittaria montevidensis Peter Rubtzoff 1970-8-18 6305 Sonoma 5 mi. north of Sears Point. Comment
  UCD148463  Salicornia Peter Rubtzoff 1963-8-17 5222 Sonoma Petaluma Creek just east of Petaluma. Comment
  CAS-BOT-BC290594  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. Comment
  UCR249074  Salix Peter Rubtzoff 1971-9-1 6679 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  RSA0018589  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  CAS-BOT-BC126271  Salix X sepulcralis Peter Rubtzoff 1952-5-31 1117 Sonoma Southern half of Lower Marsh Comment
  UCR249334  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC103079  Salix bonplandiana C. R. Ball; H. E. Parks 1931-2-17 22 Sonoma Santa Rosa Creek, 1 mile south of Santa Rosa Comment
  RSA534566  Salix bonplandiana Peter Rubtzoff 1957-5-4 3320 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC102863  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma slopes of Mt. Hood, Sonoma Creek Canyon Comment
  UC463100  Salix breweri Milo S. Baker 1931-10-10 5615 Sonoma near confluence with Sonoma Cr. (above Los Guilicos Val.); Fitzsimmons Cr. Comment
  CAS-BOT-BC103944  Salix exigua Peter Rubtzoff 1953-5-16 1358 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  CAS-BOT-BC103950  Salix exigua Peter Rubtzoff 1957-5-4 3319 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  RSA534507  Salix exigua Peter Rubtzoff 1966-4-30 5698 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  RSA534564  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  CAS-BOT-BC107756  Salix hindsiana G. De Nevers 1981-5-20 1236 Sonoma Pepperwood Ranch - along Leslie Creek, 100 m above confluence with Mark West Creek Comment
  SEINET10393028  Salix laevigata A. A. Heller 1902-4-18 5329 Sonoma On Russian River, near Windsor. Comment
  UC453097  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 15 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-BC128062  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 890 Sonoma Pitkin Marsh, near Forestville, lower part of the Upper Marsh Comment
  CAS-BOT-BC107090  Salix lasiolepis Mary P. Wells 1987-2-21 857 Sonoma South side of Spring Lake, Santa Rosa Comment
  CAS-BOT-BC107094  Salix lasiolepis Peter Rubtzoff; T. J. Crovello 1964-9-3 5497 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC107251  Salix lasiolepis A. A. Heller 1902-3-18 5096 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  RSA534495  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  UC1135035  Salix lasiolepis H. S. Yates 1934-4-21 3779 Sonoma near Bodega Bodega; Sebastopol quad. Comment
  UC453113  Salix lasiolepis W. A. Setchell 1931-8-1 27 Sonoma Jenner-by-the-Sea Comment
  UC482119  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC511620  Salix lasiolepis W. A. Setchell 1933-7-2 2 Sonoma Bohemian Grove Monte Rio (well away from Russian River) Comment
  RSA534503  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Covello 1964-9-3 5495 Sonoma Bodega Bay Marsh. Comment
  RSA534505  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC128319  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 2 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC128250  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of Upper Marsh in and open damp area - Pitkind Marsh, near Forestville Comment
  RSA94335  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of the Upper Marsh, in open damp area. Comment
  RSA94334  Salix lucida subsp. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma S of the Upper Marsh. Comment
  LA208882  Salix melanopsis W. A. Setchell; 1931-8-1 sn Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  RSA534497  Salix melanopsis Peter Rubtzoff 1957-5-26 3372 Sonoma Vacation Beach. Near Guerneville. Russian River. Comment
  RSA534563  Salix melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC126180  Salix scouleriana Peter Rubtzoff 1961-10-23 4774 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC126183  Salix scouleriana W. A. Setchell 1934-7-10 5 Sonoma Coast Highway above Fort Ross Comment
  CAS-BOT-BC126184  Salix scouleriana W. A. Setchell 1933-7-9 3 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC126190  Salix scouleriana Milo S. Baker 1933-1-1 s.n. Sonoma Along Santa Rosa - Bodega Highway, at O'Farrell Hill, 3 miles west of Sebastopol Comment
  CAS-BOT-BC126194  Salix scouleriana W. A. Setchell 1933-7-9 3 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  SBBG28810  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental, on Occidental grade Comment
  SBBG57976  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental, on Occidental grade Comment
  UC424814  Salix scouleriana Milo S. Baker 1930-2-28 3882 a Sonoma w. of Occidental (along grade to Coleman Valley and along hwy. w. of Occidental down grade toward Graton) Comment
  UC524789  Salix scouleriana W. A. Setchell 1934-7-10 7 Sonoma Caost Hwy. n. of Fort Ross Comment
  CAS-BOT-BC128947  Salix sitchensis Peter Rubtzoff 1969-8-31 6181 Sonoma Russian river margin at Forest Hills, 5.5 miles east of Guerneville Comment
  POM362959  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 35 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  UC453109  Salix sitchensis W. A. Setchell 1931-8-13 23 Sonoma 1 1/2 mi. in from Jenner-by-the-Sea (near Ferry Camp) Comment
  UCD111909  Salix sitchensis Mary M. Hektner 1974-7-20 157 Sonoma Paralleling Pacific Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UCD162166  Salvia sonomensis D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1519 Sonoma Hooker Creek watershed. 520 Comment
  CAS-BOT-BC225219  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma Mountainside on north side of Hooker Creek, Hoods Peak Range 609 Comment
  JEPS102077  Sanguisorba minor subsp. muricata Dean Schlichting 2002-5-16 Sonoma Bohemian Grove 76 Comment
  JEPS98654  Sanicula arctopoides O. Gomez, R. Power, E. and P. Vargas 1996-4-7 7 PV96 Sonoma Bodega Head Bodega Bay 76 Comment
  UC353929  Sanicula arctopoides Milo S. Baker 1928-4-14 2980 a Sonoma Coast near Bay Bay Comment
  UC73327  Sanicula arctopoides Milo S. Baker 1898-4-5 6 a Sonoma between Stewarts Point and Sea View Comment
  SEINET11155644  Sanicula arctopoides W. Roderick 1967-4-9 s.n. Sonoma Ca 4 miles S of Stewards Point. 15 Comment
  JEPS77263  Sanicula bipinnatifida Robert M. Lloyd 1963-4-24 2400 Sonoma 16.5 mi from State Hwy (on road to Oakdale) 274 Comment
  JEPS128263  Sanicula laciniata Roger Raiche 2000-4-15 035 .00 Sonoma The Cedars. Laton Camp. Lower Russian River, Big Austin Creek watershed. Comment
  UC1022552  Sanicula laciniata C. Ritchie Bell 1951-2-19 3 -103 Sonoma e of Glen Ellen (by California Highway 12) Comment
  UC11769  Saxifraga californica F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC441178  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  UC1084361  Saxifraga mertensiana G. Thomas Robbins 1937-3-26 24 Sonoma near Bodega Bay Comment
  CAS-BOT-BC441181  Saxifraga mertensiana R. Bacigalupi 1948-3-6 2854 Sonoma One mile west of Skaggs Springs, on cliff Comment
  CAS-BOT-BC422351  Schedonorus arundinaceus Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. 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-BC111636  Schoenoplectus californicus Peter Rubtzoff 1955-8-6 2020 Sonoma Bodega Harbor Marsh. Comment
  SD134081  Schoenoplectus californicus Peter Rubtzoff 1962-8-3 5030 Sonoma Lower Salmon Creek Marsh, in open wet mud, formerly under water. Comment
  CAS-BOT-BC111796  Schoenoplectus pungens var. badius Marcus Eugene Jones 1882-7-18 3526 Sonoma Duncan's Mills Comment
  CAS-BOT-BC111803  Schoenoplectus pungens var. badius Ella D. Cantelow 1941-4-14 3638 Sonoma Near mouth of Salmon Creek near the Pacific Ocean. Comment
  UCD50152  Schoenoplectus pungens var. badius Mary M. Hektner 1976-8-26 267 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC111841  Schoenoplectus tabernaemontani Peter Rubtzoff 1967-9-2 5878 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC111117  Scirpus microcarpus Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC111105  Scirpus microcarpus Peter Rubtzoff 1951-6-10 207 Sonoma A marshy opening south of the Upper Marsh Comment
  CAS-BOT-BC516414  Scoliopus bigelovii Alfaretta Wood No date on label. s.n. Sonoma Duncan's Mill Comment
  CAS-BOT-BC240034  Scribneria bolanderi Leo Whitney 1935-4-14 2257 Sonoma Near Occidental Comment
  RSA177925  Scutellaria tuberosa Robert F. Thorne 1965-4-20 34373 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UCD168050  Scutellaria tuberosa James Neilson 1981-7-1 4044 a 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
  UC1713657  Scutellaria tuberosa John Thomas Howell 1937-4-11 12891 Sonoma e of Glen Ellen (Triniti Mountain); Triniti Mountain Comment
  CAS-BOT-BC371442  Sedum radiatum subsp. radiatum Greg de Nevers 1998-4-26 11193 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's property in Sec. 6 400 Comment
  CAS-BOT-BC418400  Sedum spathulifolium Alice Eastwood 1915-6-6 4695 Sonoma Mt. St. Helena Comment
  UC615252  Sedum spathulifolium Beryl O. Schreiber 1934-5-16 1125 Sonoma near Healdsburg; near Healdsburg Comment
  CDA17204  Selaginella wallacei G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16203 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UCD33565  Semiarundinaria fastuosa Beecher Crampton 1970-3-12 8543 Sonoma Sonoma County, El Verano, Green Tree Nursery. Comment
  RSA0012701  Senecio aronicoides R. F. Thorne 1965-4-20 34332 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC1299457  Senecio minimus Freed W. Hoffman 1946-9-1 1236 Sonoma ocean bank Bodega Park; North Coast Ranges, Bodega Park Comment
  UC1299455  Senecio sylvaticus Freed W. Hoffman 1948-5-30 2680 Sonoma near Guerneville; North Coast Ranges, Poole Ridge Comment
  JEPS77267  Senecio sylvaticus Robert M. Lloyd 1963-4-24 2404 Sonoma 18.9 mi e State Highway 12 (on road to Oakdale) Comment
  SEINET9327115  Senecio vulgaris John Nelson, Wnek, Richard 2000-3-7 20942 Sonoma On open gravelly ground next to driveway at Fern Grove Cottages; W side of Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  CAS-BOT-BC80327  Sequoia sempervirens Peter Rubtzoff 1983-7-30 9669 Sonoma Annapolis area, near the road from [Annopolis] Annapolis to the coast, 3.6 miles from Hwy 1 Comment
  JEPS76930  Sequoia sempervirens Robert M. Lloyd 1963-2-24 2049 Sonoma 0.5 mi n, on rd to Camp Meeks Occidental 45 Comment
  UC254  Sequoia sempervirens M. Louise Douglass 1898-4-19 Sonoma Glen Ellen Comment
  CAS-BOT-BC240155  Setaria pumila John Thomas Howell 1957-9-26 32976 Sonoma Sandy Russian River bottom near Guerneville Comment
  CAS-BOT-BC187882  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  CAS-BOT-BC187887  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-19 640 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  UC1541484  Sidalcea diploscypha H. E. and S. T. Parks May 1930 625 Sonoma head of Alexander Valley Comment
  UC535114  Sidalcea diploscypha H. E. and S. T. Parks May, 1930 625 Sonoma head of Alexander Valley Comment
  RSA293430  Sidalcea diploscypha Reino Alava 1958-5-24 2060 Sonoma About 4 miles east of Occidental Comment
  UC1299201  Sidalcea diploscypha Freed W. Hoffman 1950-5-27 3592 Sonoma on Healdsburg-Guerneville Highway North Coast Ranges, Roy Litton Ranch (Roy Litton Ranch) Comment
  UCD116613  Sidalcea diploscypha Frederica Bowcutt; Jeff Kennedy 1994-5-21 1800 Sonoma about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 1.5 air miles NE of Kenwood. Along the Meadow Trail, about 0.25 mile from the trail head. 396 Comment
  SEINET11971663  Sidalcea hartwegii L. S. Rose 1940-1 40372 Sonoma Sonoma 30 Comment
  SEINET11998343  Sidalcea malviflora C. F. Quibell 1976-1 1356 Sonoma Meacham Hill, Christo fence route 30 Comment
  UCD116782  Sidalcea malviflora Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-20 038 A Sonoma near Bihler Point, Unit 2 Owners' Map, Sea Ranch, near State Highway 1. 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
  CAS-BOT-BC392497  Silene gallica Peter Rubtzoff 1952-5-10 1020 Sonoma Bordering the Upper Marsh in the east. Comment
  RSA41908  Silene gallica H. C. Cantelow 1936-5-3 1244 Sonoma 3 miles S of El Verano. Comment
  SEINET11935225  Silene gallica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -234 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD98635  Silene gallica Frederica Bowcutt; Botany 102 Students 1994-5-21 1814 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. 426 Comment
  UCSB50238  Silene gallica Gray, John 1976-5-1 Sonoma Bluff above Blind Beach State Beach; 1/2 miles west of Highway 1 60 Comment
  SEINET4856109  Silene grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC389227  Silene laciniata subsp. californica D. E. Breedlove 1962-6-6 2891 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  HSC13909  Sisyrinchium bellum S. N. Wiermeyer 1962-4-20 22 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UC1032494  Sisyrinchium californicum H. S. Yates 1936-5-16 5587 Sonoma 2 mi se of Forestville 30 Comment
  CAS-BOT-BC164421  Solanum Peter Rubtzoff 1969-8-29 6174 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC166692  Solanum Peter Rubtzoff 1974-9-7 7888 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. at creek crossing. Comment
  CAS-BOT-BC166702  Solanum Peter Rubtzoff 1974-10-20 7939 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166966  Solanum Peter Rubtzoff 1959-8-30 4249 Sonoma Drake's Beach, near Guerneville. Comment
  CAS-BOT-BC166974  Solanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC164417  Solanum Peter Rubtzoff 1965-8-22 5612 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD148404  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UCR279860  Solanum americanum Peter Rubtzoff 1965-8-22 5612 Sonoma North Coast Ranges, Russian River, Forest Hills 5.5 miles east of Guerneville 9 Comment
  CAS-BOT-BC164711  Solanum umbelliferum Peter Rubtzoff 1960-5-16 4358 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC344889  Solidago Peter Rubtzoff 1962-9-16 5094 Sonoma Vacation Beach, 1.5 miles below Guerneville. Comment
  CAS-BOT-BC354323  Solidago Peter Rubtzoff 1969-8-26 6155 Sonoma Marsh on River Road ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC365588  Solidago elongata John Thomas Howell 1945-8-14 21401 Sonoma Perry Marsh Comment
  RSA0036023  Solidago occidentalis Peter Rubtzoff 1956-9-15 2915 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC368009  Solidago velutina subsp. californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UC1613315  Solidago velutina subsp. californica Charles M. Belshaw 1936-9-18 2670 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC365265  Solidago velutina subsp. californica G. DeNevers 1981-7-28 1875 Sonoma Pepperwood Ranch. E side of Leslie Road, 40 miles S of the 1st bridge Comment
  CAS-BOT-BC374526  Sonchus asper John Thomas Howell 1932-9-18 10776 Sonoma Kenwood Marsh Comment
  UCD136193  Sonchus oleraceus Gerry North 1993-4 5 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 Goodspeed trailhead pullout. 228 Comment
  CAS-BOT-BC236589  Sorghum halepense Peter Rubtzoff 1962-9-16 5089 Sonoma Vacation Beach, 1.5 mi. below Guerneville, along Russian River Comment
  POM119055  Sparganium angustifolium subsp. emersum Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  RSA121037  Sparganium erectum subsp. stoloniferum J. T. Howell 1955-8-6 30891 Sonoma 1 mile southeast of Bloomfield on road to Two Rock. Comment
  RSA20121  Sparganium eurycarpum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC258918  Spergula Peter Rubtzoff 1954-7-27 1576 Sonoma Guerneville Marsh. Comment
  UCD166481  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC390045  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  SEINET7040127  Spergula arvensis A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  SD39611  Spergularia macrotheca var. macrotheca Edith A. Purer 1932-7-21 4053 Sonoma Bodega Bay. Comment
  UCD99235  Spergularia marina S. F. Bailey 1951-6-1 s.n. Sonoma Skagg's Island, north of Plack Point cutoff (Highway 48). Comment
  RSA0025194  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Vernal pool, 6.5 mi northeast of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC500699  Stachys Peter Rubtzoff 1961-5-24 4603 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC502057  Stachys Peter Rubtzoff 1968-7-13 5915 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC361392  Stachys albens Greg de Nevers 1993-8-7 10482 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa E of barn 400 Comment
  JEPS128255  Stachys albens Roger Raiche 2000-9-2 151 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD125568  Stachys rigida var. quercetorum Frederica Bowcutt 1994-5-21 1807 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 2.5 air miles NE of Kenwood. Along the Meadow Trail, about 0.25 mile from the trail head. 396 Comment
  CAS-BOT-BC251268  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  RSA0022424  Stellaria Peter Rubtzoff 1970-10-29 6418 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  RSA800338  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-6-4 1901 Sonoma Forestville Marsh Comment
  UCD99350  Stellaria littoralis P. G. Conners 1991-7-3 195 Sonoma Bodega Marina Laboratory; above Horseshoe Cove Beach. Comment
  CAS-BOT-BC251312  Stellaria media Peter Rubtzoff 1956-9-14 2885 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC394958  Stellaria media Walter Knight; Irja Knight 1963-8-13 274 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC397763  Stellaria media Mary P. Wells 1990-4-9 1041 Sonoma Santa Rosa; Yard in Rincon Valley Comment
  CAS-BOT-BC405135  Stellaria nitens Greg de Nevers 1993-3-24 10333 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Weimar Canyon. 304 Comment
  CAS-BOT-BC408518  Stellaria nitens Peter H. Raven; H. L. Mason; R. Ornduff; et al. 1957-3-23 10528 Sonoma 1.1 mi. s. of Mendocino Co. line on State Highway 128, n. of Cloverdale. Comment
  CAS-BOT-BC375318  Stephanomeria exigua subsp. coronaria G. DeNevers 1981-6-27 1681 Sonoma Pepperwood Ranch. Walk up the Creek from Franz Valley Road through the Devil's Kitchen Comment
  UCR74759  Stipa formicarum M. E. Barkworth, D. Amme 1989-6-15 5170 Sonoma c. 2 mi north of Jenner on US Hwy 1 70 Comment
Read comments
Aug 4 2008
  UCR255650  Stipa lepida Greg de Nevers 1997-4-24 10964 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 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
  UC1178914  Streptanthus barbiger Herbert L. Mason 1946-7-4 12896 Sonoma ridge 2 mi e Occidental Comment
  UC972158  Streptanthus brachiatus Helen K. Sharsmith 1952-6-18 4129 Sonoma near junct. of Socrates Mine Road with Pine Flat-Middletown road; Inner North Coast Ranges, Mayacamas Mountains 975 Comment
  UCD164201  Streptanthus brachiatus N. Ivalu Cacho; Sharon Y. Strauss, Anna O'Brien 2011-8-18 IC-SS 274 Sonoma Pine Flat Road, at the top. Comment
  UCD72523  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma Audubon Mayacamas Mountains Wildlife Refuge, Pine Flat Road, 0.25 mile on left from parking area down unpaved road from gate. 853 Comment
  JEPS83491  Streptanthus glandulosus subsp. secundus Jack and Betty Guggolz 1986-4-23 863 Sonoma w-facing steep bank on Kelly Rd 0.2 mi w junction with Rockpile Road (ca 15 mi nw of Healdsburg) Comment
  CAS-BOT-BC87289  Streptanthus glandulosus subsp. secundus Milo S. Baker 1932-5-8 5916 Sonoma Salt Point, 5 miles north of Fort Ross. Comment
  UC985962  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma Del Preti Hill North Coast Ranges Comment
  SEINET11998403  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60156 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 427 Comment
  UC2031712  Streptanthus hesperidis Sherry Adams 2009-6-18 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 500' north of the confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch Comment
  UC1292739  Streptanthus morrisonii Freed W. Hoffman 1946-8-29 1028 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UCD167021  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UC1492758  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-5-30 1027 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC1751202  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1946-8-29 1024 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UC117370  Streptanthus tortuosus var. suffrutescens Michener and Bioletti 1892-5-30 Sonoma Hood's Peak Comment
  CAS-BOT-BC267237  Stuckenia filiformis Peter H. Raven 1955-3-20 s.n. Sonoma 1 mile W of Schelville Comment
  UCD165872  Stuckenia pectinata Peter Rubtzoff 1970-10-3 6408 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC257963  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  RSA799982  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma On River Road about 3 miles W of Fulton. 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-BC97825  Symphyotrichum chilense J. W. Congdon 1882-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC97826  Symphyotrichum chilense J. W. Congdon 1880-9-12 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC98569  Symphyotrichum lentum Peter Rubtzoff 1958-9-6 3986 Sonoma Laguna de Santa Rosa east of Sebastopol - Sonoma County Marshes Comment
  CAS-BOT-BC98570  Symphyotrichum lentum Peter Rubtzoff 1961-9-6 4733 Sonoma Laguna de Santa Rosa area northeast of Graton - Sonoma County Marshes Comment
  CAS-BOT-BC99378  Symphyotrichum subspicatum Peter Rubtzoff 1958-8-31 3960 Sonoma Atascadero Creek Marsh Comment
  UCD86177  Taeniatherum caput-medusae G. F. Hrusa; R. Gross 1999-6-12 15078 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  RSA789623  Taxus brevifolia var. polychaeta Richard W. Spjut, Peter Baye 2010-6-21 16710 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 Comment
  RSA786864  Teesdalia coronopifolia Carrie A. Herd 1982-3-16 236 Sonoma Santa Rosa, S.W. corner of Fulton & Piner Roads Comment
  CHSC26306  Tellima grandiflora P. Kunst 1977-4-12 23 Sonoma Ca. 4 yd n of Coleman Valley Rd and 3 yd s of Coleman Valley Creek, 2.5 mi w of Occidental. 219 Comment
  UCR222557  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2010-6-5 16240 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  UCD102952  Tellima grandiflora Linda A. Bell 1975-5-18 155 Sonoma State Hwy 116, 3 miles west of Guernville. 21 Comment
  UCSB2086  Thalictrum fendleri var. polycarpum Keator, Glenn 1959-3-31 Sonoma At northern city limits of Occidental on Occidental-Monterio highway Comment
  CAS-BOT-BC399886  Thalictrum polycarpum Greg de Nevers 1996-4-21 10796 A Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC66818  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-3-21 5114 Sonoma Hills southeast of Santa Rosa. Comment
  UC1127049  Thysanocarpus curvipes E. Armstrong 1934-3-26 920 Sonoma 2 mi w Camp Meeker; Sebastopol Quadrangle 121 Comment
  UC609293  Thysanocarpus radians Milo S. Baker 1934-3-27 7580 Sonoma Vernal pool by Bennett Valley road se Santa Rosa; se of Santa Rosa Comment
  CAS-BOT-BC67339  Thysanocarpus radians Karl H. Rechinger 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  UC1101052  Tofieldia occidentalis subsp. occidentalis Herbert L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  SD131965  Tonella tenella Harry K. Roberts 1968-4-6 Sonoma North side of Mt. Jackson, 1I(c) air-line miles n.ne. of Rio Nido, on road to lookout, ca. 1 mile n.e. of Sonoma Mercury Mine 320 Comment
  SEINET5850106 Image available Torilis arvensis Robert A. Norris, John L. Inase, Allen Nakagwa 1981-1 4205 Sonoma Local in dry ditch by Trenton Rd., just S of and paralleling River Rd., (near N part of Laguna de Santa Rosa), approx. halfway between Guerneville and Santa Rosa, Sonoma Co. Calif. 15 Comment
  CAS-BOT-BC81461  Torreya californica J. W. Congdon 1880-5-17 116 Sonoma Guerneville Comment
  UC1090390  Torreya californica Milo S. Baker 1957-5-10 13097 Sonoma Junior College Campus North Coast Ranges, Santa Rosa Comment
  CAS-BOT-BC172888  Toxicodendron diversilobum Alice Eastwood 1915-6-5 4583 Sonoma Petrified Forest Comment
  UCD139839  Toxicoscordion fremontii A. A. Heller; H. E. Brown 1902-3-14 5068 Sonoma near Windsor. Comment
  SDSU11972  Triantha occidentalis subsp. occidentalis D. F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh 46 Comment
  UC32606  Trichostema lanceolatum Alice King Sep 1896 Sonoma Healdsburg Comment
  POM188235  Trichostema laxum Marcus E. Jones 1931-7-5 28816 Sonoma Geysers Comment
  SEINET12337136  Trichostema laxum Unknown 1986-1 60286 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 0.5 mi N of Ida Clayton Rd 747 Comment
  JEPS46206  Trientalis latifolia Eleanor Armstrong 1932-5-1 495 Sonoma near Camp [Nielson] 121 Comment
  SEINET11996903  Trientalis latifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -274 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC173538  Trifolium Peter Rubtzoff 1974-5-26 7485 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC173625  Trifolium Peter Rubtzoff 1974-4-17 7374 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173640  Trifolium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh. 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
  UCSC006358  Trifolium Randall Morgan 1996-5-30 2980 Sonoma Bodega Bay, Bodega Marine Lab Comment
  CAS-BOT-BC217056  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma Near Petaluma Comment
  UC764651  Trifolium amoenum R. F. Hoover 1941-5-14 5071 Sonoma 1 mi n Valley Ford Comment
  UC630863  Trifolium barbigerum P. B. Kennedy June, 1915 Sonoma Del Mar northern county Comment
  UC165624  Trifolium bifidum var. decipiens Milo S. Baker 1898-5-7 641 Sonoma Glenn Ellen Comment
  UC80343  Trifolium depauperatum var. amplectens Michener and Bioletti 1893-1 Sonoma Kenwood Comment
  UC16722  Trifolium depauperatum var. truncatum Edw. L. Greene 1892-4-23 Sonoma Knight's Valley Comment
  LA205212  Trifolium depauperatum var. truncatum M. S. Baker; May 1935 8077 Sonoma Bennett Valley Road, 0.5 mi. E of Santa Rosa Fair Grounds Comment
  POM68425  Trifolium dichotomum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC866777  Trifolium fucatum Alice Eastwood 1917-5-13 Sonoma rd to Bodega Point Comment
  UCSC009217  Trifolium hydrophilum Randall Morgan 1998-5-25 2743 Sonoma Viansa Vineyard on west side of Highway 121, about 2 miles south of Highway 116, and approximately 6 miles north of Sears Point 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
  UCD165171  Trifolium microcephalum Peter Rubtzoff 1974-6-2 7510 Sonoma Upper Green Valley Marsh. Comment
  UC1541580  Trifolium microdon H. E. and S. T. Parks 1930-5-9 601 Sonoma Knights Valley 152 Comment
  JEPS85900  Trifolium obtusiflorum Jack and Betty Guggolz 1991-7-29 1218 Sonoma 2 mi n Camp Meeker (Upper Duvoul Creek) 121 Comment
  UC16687  Trifolium oliganthum Edward Lee Greene 1892-1 Sonoma Knights Valley Comment
  CDA15868  Trifolium tomentosum Ann Howald 2000-4-19 2037 Sonoma North Coast Biodiversity Arena; Annadel State Park. Marsh Trail, E side of Ledson marsh, about 0.1 mi. S of inters. of Marsh & Lawndale Trails. 359 Comment
  CAS-BOT-BC474559  Trifolium variegatum Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1 31 Comment
  UCD35304  Trifolium variegatum Beecher Crampton 1955-4-5 2405 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  UC85339  Trifolium variegatum var. melananthum Michener and Bioletti May 1893 Sonoma Kenwood Comment
  POM21426  Trifolium variegatum var. variegatum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-22 5341 Sonoma Bet Santa Rosa and Agua Caliente Comment
  JEPS128367  Trifolium willdenovii Roger Raiche 2000-4-2 015 .00 Sonoma The Cedars. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  UC165605  Trifolium willdenovii Milo S. Baker 1898-4 729 Sonoma Santa Rosa Creek canyon Comment
  UCSB31788  Trifolium willdenovii Townsend, J. 1977-5-29 Sonoma West side Russian River, about 0.5 miles south of Guerneville 335 Comment
  UC1541598  Trifolium wormskioldii H. E. and S. T. Parks 1930-5-10 848 Sonoma Knights Valley 152 Comment
  CAS-BOT-BC451945  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay 1 Comment
  CAS-BOT-BC520847  Trillium albidum J. W. Congdon 1880-3-1 s.n. Sonoma Near Santa Rosa Comment
  SEINET12049780  Trillium albidum F. H. Utech 1986-1 86 -124 Sonoma ca 3 mi SW on Sonoma Mt. Rd from junction with CA 12, near Jack London Historical Park 200 Comment
  CAS-BOT-BC368088  Trillium ovatum Greg de Nevers 1998-4-30 11222 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Kitchen Creek, opposite Al Cuneo's cabin, section 6, northwest quarter 400 Comment
  UCD139917  Trillium ovatum L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  CAS-BOT-BC521309  Trillium rivale Peter Rubtzoff 1957-5-4 3317 Sonoma Duncans Mills Marsh area. Redwood forest bordering the Marsh in the west. Comment
  UCSB23011  Triphysaria eriantha subsp. eriantha McCarthy, Sharon 1965-4-17 Sonoma Corner of 5th Street and MacArthur Street, Sonoma 25 Comment
  CHSC60152  Triphysaria eriantha subsp. rosea E. L. Knight 1988-4-1 1 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UC138992  Triphysaria versicolor subsp. faucibarbata J. W. Congdon 1880-6-6 Sonoma Petaluma Comment
  UC1334862  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-5-3 665 Sonoma on State Highway #1, 2 mi n Bodega Bay; n of Bodega Bay Comment
  UCD123427  Triphysaria versicolor subsp. versicolor Frederica Bowcutt 1984-6-23 455 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 Highway 1, north of Gerstle Cove about 1/3 mile. 15 Comment
  CAS-BOT-BC200106  Trisetum canescens Peter Rubtzoff 1951-6-7 111 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC200109  Trisetum canescens John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54007 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC766848  Trisetum canescens R. F. Hoover 1941-5-14 5096 Sonoma sw of Occidental (near Joy District School) Comment
  CAS-BOT-BC200097  Trisetum canescens G. DeNevers 1981-5-30 1350 Sonoma On N side of Studio Road at base of hill, near the green Gate Comment
  UCR143026  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  UC72473  Triteleia laxa Milo S. Baker 1898-4-23 580 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC527034  Triteleia laxa Dorothy Scherer 1997-5-20 116 Sonoma Ca. 25' north of Hwt 1 MM. 34.00 and 50' east, Fort Ross State Historic Park 38 Comment
  SEINET12049783  Triteleia laxa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -151 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 80 Comment
  SEINET12050340  Triteleia laxa J. T. Vale 1988-1 s.n. Sonoma Skaggs Springs, road between Sonoma Lake and Annapolis Rd Comment
  CAS-BOT-BC361283  Turritis glabra Greg de Nevers 1997-4-22 10952 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Above Bechtel House 400 Comment
  CAS-BOT-BC540807  Ulmus Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7854 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC91289  Umbellularia californica R. F. Hoover 1968-2-23 10894 Sonoma Graton-Occidental road. Comment
  UC1084350  Umbellularia californica G. Thomas Robbins 1937-3-25 5 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  CAS-BOT-BC382822  Uropappus lindleyi D. E. Breedlove 1983-5-4 58699 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CDA7733  Uropappus lindleyi D. G. Kelch 2007-5-13 7 .294 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC403987  Urtica dioica subsp. gracilis Lewis S. Rose 1964-6-3 64056 Sonoma N. end of Bodega Bay 1 Comment
  CAS-BOT-BC403992  Urtica dioica subsp. gracilis Rimo Bacigalupi 1926-4-30 1400 Sonoma Cazadero Comment
  UC848741  Urtica dioica subsp. holosericea Marcus E. Jones, A. M. 1882-7-17 3483 Sonoma Duncan Mills Comment
  UCR105446  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-9-9 7311 Sonoma Kenwood Marsh 120 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-BC404230  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-8-26 5480 Sonoma Marsh 5 miles northeast of Penngrove on Lichan Road 213 Comment
  CAS-BOT-BC404234  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-8-26 5480 Sonoma Marsh 5 miles northeast of Penngrove on Lichan Road 213 Comment
  CAS-BOT-BC391315  Vaccaria hispanica F. G. Krauss 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  SFV8773  Vaccinium ovatum J. C. Lee 1966-4-27 41 Sonoma Highway 116, 1 mile east of Guerneville. 30 Comment
  UC1121134  Vaccinium ovatum E. Armstrong 1934-3-26 948 Sonoma Camp Meeker Sebastopol Quad. 91 Comment
  CAS-BOT-BC199472  Vaccinium parvifolium L. R. Abrams 1920-7-3 7595 Sonoma Gualala River Comment
  CAS-BOT-BC135765  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 miles north of Fort Ross Comment
  CDA41759  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15679 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 2 of 2. Comment
  CAS-BOT-BC177116  Veronica americana Peter Rubtzoff 1955-7-9 1939 Sonoma Forestville Marsh. Comment
  RSA783724  Veronica americana Peter Rubtzoff 1954-6-6 1460 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC166806  Veronica americana Peter Rubtzoff 1962-6-22 4955 Sonoma Fife Creek Marsh. Comment
  JEPS67155  Veronica anagallis-aquatica Peter Rubtzoff 1971-8-24 6660 Sonoma 3 mi w of Fulton (tributary of Mark West Creek); Mark West Creek Comment
  UC750806  Veronica arvensis Charles B. Heiser Jr. 1946-4-13 1717 Sonoma 3 mi w of Duncan Mills (near Russian River) Comment
  UC27729  Veronica peregrina subsp. xalapensis H. N. Bolander 1864-1 3872 Sonoma Mark West Comment
  UCD164195  Veronica scutellata Peter Rubtzoff; Nancy Harrison 1978-6-11 9211 Sonoma Cunningham Marsh Area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC258031  Vicia Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 miles north of Cazadero. Comment
  CAS-BOT-BC540815  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh area. Comment
  RSA94347  Vicia angustifolia Peter Rubtzoff 1951-7-28 548 Sonoma Southern half of Lower Marsh Comment
  CDA18772  Vicia gigantea Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
Read comments
Oct 17 2007
  JEPS66188  Vicia pannonica Milo S. Baker May 1931 5162 Sonoma Rincon School Rincon Valley (Rincon Valley, in Austin's field just n of highway) Comment
  JEPS87244  Vicia tetrasperma Jack and Betty Guggolz 1991-5-27 1154 Sonoma s of s end Meyers Grade (between Hwy 1 and the ocean) 182 Comment
  UCD109111  Vicia villosa subsp. varia Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-28 087 Sonoma Junction of Bluff Reach and Cormorant, Unit 21 Owners' Map, Sea Ranch, near State Highway 1. Comment
  HSC3234  Vinca major F. Demostene 1966-4-4 17 Sonoma 1 mi. W of Healdsburg Comment
  UC1761563  Viola adunca Edith Hessel 1927-4-26 Sonoma Hessel Station, 100 ft up car track from store, to W Comment
  UCD110667  Viola adunca subsp. adunca Jo Nixon 1951-3-24 5 Sonoma Along Highway 1, 5 miles N of Bodega Bay. Comment
  UC540629 Image available Viola adunca subsp. ashtoniae Milo S. Baker 1933-4-8 7348 Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  UCD110688  Viola douglasii L. Whitney 1932-4-1 s.n. Sonoma Santa Rosa. Vine Hill. Comment
  POM215705  Viola douglasii Jens Clausen 1933-3-25 732 Sonoma Melita. Comment
  CAS-BOT-BC536910  Viola glabella Dorothy Scherer 1996-3-25 012 Sonoma Kolmer Gulch, just E of Hwy 1 and S side of stream, Fort Ross State Historic Park 11 Comment
  UC1761451  Viola lobata Milo S. Baker 1926-5-31 164 -1926 Sonoma Triniti road, 1 mi up Comment
  UC1763481  Viola lobata Milo S. Baker May 1899 Sonoma Stewarts canyon Comment
  UC19289  Viola lobata subsp. lobata F. P. McLean May 1872 Sonoma woods near Geyser Comment
  UC337758  Viola ocellata unknown 1892-5-4 Sonoma Armstrong Park near Guerneville; Armstrong Park Comment
  HSC21828  Viola ocellata Malcolm L. Byce 1936-3-22 168 Sonoma Camp Miller, 3.5 mi. W of Cazadero, towards Ft. Ross, on Ward Creek Comment
  RSA304244  Viola ocellata James R. Shevock 1971-4-8 918 Sonoma Entrance Sugarloaf State Park. 152 Comment
  CAS-BOT-BC270154  Viola palustris M. S. Baker 1906-5-1 s.n. Sonoma At Kenwood Comment
  UCD111068  Viola pedunculata Mary M. Hektner 1975-4-27 188 Sonoma Unit 24 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC1763350  Viola pedunculata Milo S. Baker Apr 1899 5540 Sonoma Petaluma road to the coast Comment
  UC575324  Viola purpurea subsp. quercetorum Milo S. Baker 1934-3-25 7573 Sonoma Pine Flat 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
  RSA261416  Viola sempervirens Diane Ryerson 1969-5-3 39 Sonoma Hillside W of Tyrone Road. 122 Comment
  UC1742250  Viola septentrionalis Milo S. Baker 1944-5-2 Sonoma Brookside Garden Comment
  OBI5335  Viscum album C. W. Nichols & W. O. McCartney, W. O. McCartney 1966-1-17 s.n. Sonoma Backyard of 1220 Gravenstein hwy N at Ill Station rd, 1 mi N of Sebastopol Comment
  CAS-BOT-BC203135  Vitis californica C. B. Wolf; B. D. Stark 1933-9-27 5512 Sonoma 5.8 mi. N.W. of Kellogg on rd. to Geyserville 91 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
  UC419014  Vitis californica H. E. and S. T. Parks 1930-8-20 693 Sonoma Maacama Creek Comment
  UCD17551  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. 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
  HSC9911  Vulpia microstachys Leo Koch 1940-4-22 838 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  RSA0065161  Vulpia microstachys Greg de Nevers 1997-4-24 10963 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  SEINET197665 Image available Vulpia microstachys var. ciliata Leo Koch 23/47/0001 835 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  CAS-BOT-BC361284  Vulpia microstachys var. pauciflora Greg de Nevers 1997-4-24 10963 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC184593  Vulpia microstachys var. pauciflora G. DeNevers 1981-5-15 1195 A Sonoma N slope of hill above Hansel's Lake Comment
  CAS-BOT-BC185832  Vulpia myuros subsp. megalura A. A. Heller 1902-6-10 5681 Sonoma Santa Rosa Comment
  CAS-BOT-BC185828  Vulpia myuros subsp. megalura G. DeNevers 1981-4-30 901 Sonoma At the Studio. Pepperwood Ranch Comment
  JEPS79413  Vulpia myuros var. hirsuta Edward Lee with W. A. Setchell 1936-6-7 2183 Sonoma Bohemian Grove; s ridge Fire Trail Comment
  SEINET7067268  Whitneya dealbata A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  UCD165775  Woodwardia Peter Rubtzoff 1973-8-28 7278 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC73578  Woodwardia fimbriata Peter Rubtzoff 1951-9-15 756 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  UCD136111  Woodwardia fimbriata Frederica Bowcutt 1994-6-24 1892 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San