Search Results — 2000 specimen records retrieved (1268 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0025771  Abronia latifolia E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  UCR255648  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  SEINET12164294  Acacia dealbata W. Knight, Knight, I. 1984-1 5047 Sonoma 4.8 mi up Cavedale Road from Rt. 12 Comment
  UCD136861  Acaena pinnatifida var. californica Javier Jauregui L.; Dan Potter 2013-6-28 1 Sonoma Santa Rosa. 7806 Bennett Valley Road. 210 Comment
  CAS-BOT-BC332797  Acer macrophyllum Irja Knight; Walter Knight 1964-11-15 785 Sonoma Hood's Peak at Johnson Lake Comment
  CHSC21438  Acer macrophyllum Robert A. Schlising 1962-3-31 2127 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  RSA102062  Acer macrophyllum John H. Redfield 1872-8-27 53 Sonoma Near Healdsburg Comment
  UC1084436  Acer macrophyllum G. Thomas Robbins 1940-3-21 294 Sonoma along Chalk Hill road ca 5 mi e Windsor; e of Windsor 91 Comment
  CAS-BOT-BC332755  Acer macrophyllum Saichi Kawahara 1968-4-20 330 Sonoma King's mailbox, 3700 Trinity Road 304 Comment
  RSA785741  Acer macrophyllum Carrie A. Herd 1982-5-9 91 Sonoma Trinity Road; turnout; down hillside of road cut. Comment
  UCD117066  Acer macrophyllum C. Wistrom 1996-5-26 39 Sonoma Armstrong Redwoods State Park, Gureneville. 15 Comment
  CDA42344  Acer negundo D. G. Kelch 2012-5-2 12 .069 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry 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-BC30087  Achillea millefolium Roxana S. Ferris 1932-5-27 8254 Sonoma Bodega Bay Comment
  CAS-BOT-BC30092  Achillea millefolium John Thomas Howell 1930-6-8 5270 Sonoma North end of Bodega Bay Comment
  RSA719883  Achillea millefolium Linda E. Watson 1996-5-19 96 -3 Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  UCD128307  Achillea millefolium Mary M. Hektner 1976-12-14 277 Sonoma onto Walk-On-Beach; unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD128365  Achillea millefolium Rimy Waraich; Patti Togioka 1993-5-8 236 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  CAS-BOT-BC400008  Achlys triphylla Greg de Nevers; Susan Charnley 1987-3-28 8129 Sonoma Sea Ranch, along the Gualala River 20 Comment
  RSA783731  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD103779  Acmispon americanus var. americanus Frederica Bowcutt 1994-5-21 1801 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. Along meadow trail, approx. 1/4 mile from trailhead. 1300 Comment
  JEPS128276  Acmispon brachycarpus Roger Raiche 2005-4-22 014 .05 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
  UCD161298  Acmispon glaber James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3709 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC29848  Adenocaulon bicolor Volney Rattan 1877-6-18 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC65530  Adiantum aleuticum Greg de Nevers 1987-4-25 8163 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS128362  Adiantum aleuticum Roger Raiche 2000-5-28 122 .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
  JEPS97818  Adiantum aleuticum R. Raiche and K. Zadnik 1981-1-12 Sonoma Willow Creek Rd. Comment
  UC1193407  Adiantum jordanii P. Zinke 1950-4-25 113 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  RSA232868  Aesculus californica L. S. Rose 1968-6-25 68116 Sonoma Rincon Valley, Brush Creek, NE of Santa Rosa. 122 Comment
  CHSC8156  Agoseris apargioides M. Banning 1969-5-10 116 Sonoma 2 mi N. Bodega Bay on Hwy 1, roadside. 30 Comment
  JEPS117102  Agoseris apargioides Peter Warner 2010-6-14 166 Sonoma Jenner Headlands, upper Jenner Pastlure, ~ 300 m, N 76 deg. E of residence house, just downslope from ultramafic outcrop in coastal grassland; above Jenner Gulch near power line overhead and small stand of Douglas-fir Comment
  SD99422  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Creek Road, 8.6 miles west of Geyserville. 89 Comment
  UCD160822  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3374 Sonoma Section 10, along Geysers Road, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  JEPS36308  Agoseris hirsuta W. L. Jepson 1896-6-2 Sonoma Bodega Bay Comment
  CAS-BOT-BC210006  Agrostis Peter Rubtzoff 1964-7-29 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC376368  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  RSA0051268  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  RSA785906  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles east of Guerneville). Comment
  UC37003  Agrostis H. N. Bolander 1860-1 6456 Sonoma Cloverdale Comment
  SEINET10849962  Agrostis P. Rubtzoff 1967-8-22 Rubtzoff 5855 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UC1026476  Agrostis alba Peter Rubtzoff 1951-7-8 389 Sonoma lower part of the upper Pitkin Marsh (near Forestville) 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
  UCD51841  Agrostis blasdalei Beecher Crampton 1957-7-22 4366 Sonoma above Fisherman's Bay, 0.3 mile south of Stewart's Point. Comment
  UCD51868  Agrostis capillaris Mary M. Hektner 1974-7-18 148 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD37148  Agrostis densiflora Beecher Crampton 1957-7-11 4320 Sonoma Sonoma County, 0.5 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51992  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north Salmon Creek. Comment
  CAS-BOT-BC126969  Agrostis exarata Peter Rubtzoff 1951-9-15 765 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  CAS-BOT-BC126975  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa. Comment
  CAS-BOT-BC126977  Agrostis exarata Beecher Crampton 1959-6-16 5391 Sonoma Jonive School area, ca. 2 miles east of Occidental. Comment
  HSC8793  Agrostis exarata C. S. Chavez 1965-6-5 83 Sonoma 1 mi. N of Sebastopol on Guerneville Rd. Comment
  SEINET3916273  Agrostis exarata Fred W. Hoffman 1941-6-29 2069 Sonoma North Coast Ranges. Sonoma Mountain Road.; 0 Comment
  UCD52668  Agrostis hallii Beecher Crampton 1957-7-11 4301 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD33495  Agrostis microphylla Beecher Crampton 1969-7-14 8494 Sonoma Sonoma County, The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD53018  Agrostis microphylla Beecher Cramppon 1959-6-16 5381 Sonoma 1 mile east of Occidental. Comment
  CAS-BOT-BC138919  Agrostis pallens G. DeNevers 1981-5-30 1402 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill. Comment
  CAS-BOT-BC138924  Agrostis pallens 1947-5-30 11774 Sonoma 2 miles northeast of Occidental along Harrison Grade. Comment
  CDA31307  Agrostis pallens D. G. Kelch, Ed Biffin 2010-5-3 10 .214 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC175941  Agrostis pallens David L. Morgan 1956-6-26 s.n. Sonoma Bank above Shell Beach, 1/4 mi. S. of Goat Rock just off State Hiway #1 Comment
  UCD53478  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  UC50680  Aira Michener and Bioletti May 1892 Sonoma S. Los Guilicos Comment
  CAS-BOT-BC210112  Aira caryophyllea Peter Rubtzoff 1971-6-5 s.n. Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  RSA244322  Aira caryophyllea Larry E. DeBuhr 1973-5-18 1098 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC138391  Aira caryophyllea var. capillaris Mabel Wiesendanger 1927-5-5 712 Sonoma Sonoma. Comment
  UC905117  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch; Hood Mt. 213 Comment
  RSA800349  Alisma lanceolatum Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC445333  Alisma lanceolatum Peter Rubtzoff 1958-9-20 3993 Sonoma Laguna de Santa Rosa northeast of Graton (1/2 mi. north of Guerneville Rd.). Comment
  CAS-BOT-BC182744  Alisma triviale Peter Rubtzoff 1970-8-18 6304 Sonoma Five miles north of Sears Point Comment
  CAS-BOT-BC445468  Alisma triviale Peter Rubtzoff 1963-7-14 5199 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445470  Alisma triviale Peter Rubtzoff 1954-6-20 1510 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC445464  Alisma triviale Peter Rubtzoff 1961-7-22 4667 Sonoma Bennett Mtn. Lake. Comment
  RSA353530  Alisma triviale Christopher Davidson 1977-6-17 5881 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  UC119966  Allium amplectens Michener and Bioletti 1897-5-8 2052 a Sonoma Hood's Peak Comment
  CAS-BOT-BC462389  Allium amplectens Milo S. Baker 1934-4-28 7754 Sonoma Jensen ranch. West of Dry Creek Comment
  CAS-BOT-BC469109  Allium dichlamydeum Alice Eastwood 1915-6-29 4880 Sonoma Bodega Point Comment
  SEINET5502059 Image available Allium dichlamydeum Sally Walker 1982-1 s.n. Sonoma Duncans landing Comment
  UCSB50251  Allium dichlamydeum Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach, T6N R11W 15 Comment
  CDA32956  Allium vineale D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  CAS-BOT-BC251181  Alnus Peter Rubtzoff 1960-9-15 4549 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  RSA155529  Alnus rhombifolia L. S. Rose 1960-9-14 60093 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  RSA786922  Alnus rhombifolia Carrie A. Herd 1982-03 23 Sonoma Crane Creek Regional Park Comment
  UCD110038  Alnus rubra B. Crampton 1957-7-22 4369 Sonoma Above Fisherman's Bay, 0.3 miles south of Stewart's Point. Along State Hwy. 1. Comment
  UC579598 Image available Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1 1/2 mi. e. Occidental; Sebastopol Quad. 91 Comment
  UCD138662  Amaryllis belladonna Mary M. Hektner 1975-8-14 220 Sonoma just E-SE of Leeward Road entrance along State Highway 1, Sea Ranch. Comment
  RSA385134  Ammophila arenaria Edith A. Purer 1932-7-24 16233 Sonoma near Bodega bay. Comment
  UC1011025  Ammophila arenaria Virginia Bufford 1936-8-9 411 Sonoma at mouth of Salmon Creek Salmon Creek Comment
  SEINET211918  Ammophila arenaria subsp. arenaria J. Taylor, C Taylor 1971-5-29 8065 Sonoma South side of the Russian River adjacent to the Pacific Ocean Comment
  CAS-BOT-BC180633  Amorpha californica var. californica Walter Knight; Irja Knight; Dr. Steve Edwards 1985-9-9 5249 Sonoma Norrbom Road, near Sonoma Comment
  POM252871  Amorpha californica var. napensis D. C. Michener, Bioletti 1893-05 s.n. Sonoma Nun's Canyon Comment
  CAS-BOT-BC222273  Amsinckia Alice Eastwood; John Thomas Howell 1940-5-5 7871 Sonoma North end of Sonoma Mt. Comment
  CAS-BOT-BC222281  Amsinckia John Thomas Howell 1934-3-26 11787 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC26834  Amsinckia hispidula Alice Eastwood 1915-6-5 4582 Sonoma Petrified Forest Comment
  SEINET7067241  Amsinckia lycopsoides A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  RSA178650  Amsinckia spectabilis Roxana S. Ferris 1932-5-27 8257 Sonoma Bodega Bay. Comment
  SEINET12519057  Amsinckia spectabilis Peter Kamb 1952-1 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head 30 Comment
  SD41476  Anagallis arvensis Edith A. Purer 1932-7-21 4052 Sonoma Bodega Bay, sea bluff Comment
  UCD56034  Andropogon glomeratus Freed W. Hoffman 1942-6-13 2046 Sonoma North Coast Ranges, around Hot Springs, the Geyers. Comment
  UC1011023  Andropogon virginicus var. virginicus Virginia Bufford 1936-8-19 412 Sonoma Pitkin's Marsh; Pitkin's Marsh - Vine Hill District Comment
  UC106475  Angelica californica J. W. Congdon June 1880 Sonoma Petaluma Comment
  SD109160  Angelica californica Joseph M. DiTomaso 1980-6-13 1592 Sonoma 4900 Trinity Road, between Glen Ellen and Oakville Comment
  CDA38227  Angelica hendersonii T. C. Fuller 1957-9-24 398 -57 Sonoma Stewarts Point. 0 Comment
  CDA38217  Angelica tomentosa T. C. Fuller 1957-9-24 406 -57 Sonoma Forestville. 0 Comment
  CAS-BOT-BC271435  Anisocarpus madioides Rimo Bacigalupi 1926-5-2 1392 Sonoma Cazadero Comment
  CAS-BOT-BC271437  Anisocarpus madioides A. A. Heller 1902-6-26 5769 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  CAS-BOT-BC271442  Anisocarpus madioides F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -164 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US Hwy 101 on Geysers Road 330 Comment
  UCD128896  Anisocarpus madioides Gerry North 1993-3 6 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 Adobe Canyon Road deom Goodspeed Trailhead pullout. 228 Comment
  RSA796686  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guernerville Marsh. Comment
  SEINET11843058  Anthemis cotula W. Knight, Knight, I. 1984-1 5423 Sonoma on Willow Creek Road 61 Comment
  UC903686  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma n of Winson (e of Hwy 101) Comment
  UCD56154  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  SEINET7296733 Image available Anthoxanthum aristatum Leo Koch 1940-1 841 Sonoma along Highway 101, north of Windsor. Comment
  SEINET8718117 Image available Anthoxanthum aristatum Leo Koch 1940-1 841 Sonoma Along Highway 101, north of Windsor. Comment
  SEINET181008  Anthoxanthum occidentale E. Tucker 1936-4-5 15003 Sonoma Camp Meekee Comment
  CAS-BOT-BC137689  Anthoxanthum odoratum Peter Rubtzoff 1955-5-14 1849 Sonoma Duncans Mills Marsh. Around the eastern border of the Marsh. Comment
  UCD56277  Anthoxanthum odoratum Beecher Crampton 1957-7-22 4362 Sonoma 8 miles north of Stewart's Point, Bishop Pine grove along State Hwy. 1. Comment
  UCD161271  Anthriscus caucalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3700 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  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
  JEPS5335  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum W. L. Jepson 1923-6-28 10004 Sonoma near Kenwood; Sonoma Canyon 243 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
  CAS-BOT-BC248903  Antirrhinum virga A. A. Heller 1902-6-26 5775 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  JEPS5285  Antirrhinum virga W. L. Jepson 1894-7-19 21300 Sonoma Mt. St. Helena Comment
  UC188198  Apiastrum angustifolium Michener and Bioletti June 1893 Sonoma Hoods Peak Comment
  UC32476  Apiastrum angustifolium V. K. Chesnut before August, 1901 Sonoma Sonoma County Comment
  UC629783  Apocynum androsaemifolium Milo S. Baker 1939-5-19 9334 Sonoma Gravenstein Hwy. ca. 1 mi. s. of Sousa's Cornera Comment
  CHSC63901  Arabis blepharophylla John Hale 1990-4-13 24 Sonoma 610 m E. of Austin Creek. 210 Comment
  UCD128214  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  UC1076469  Arceuthobium campylopodum H. L. Mason 1928-4-8 4285 Sonoma Fort Rosa Comment
  RSA629213  Arctostaphylos Jon E. Keeley 1993-9-11 24794 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629215  Arctostaphylos Jon E. Keeley 1993-9-11 24775 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC665624  Arctostaphylos A. A. Beetle 1940-2-18 1573 Sonoma 10 mi w Santa Rosa; Pitkin Ranch Comment
  POM209915  Arctostaphylos bakeri subsp. bakeri H. E. Parks, S. T. Parks 1931-3-31 0926 Sonoma Graton Rad near intersection with Tanuda Road (east of Occidental) Comment
  RSA622702  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24701 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622707  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24695 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA252145  Arctostaphylos bakeri subsp. bakeri G. D. Wallace 1974-12-23 1348 Sonoma NE of Occidental on Grafton Road, 2 mile or so from Occidental. 152 Comment
  CAS-BOT-BC23969  Arctostaphylos canescens subsp. canescens Milo S. Baker Fall 1936 9782 Sonoma Top of Hood's Peak Comment
  POM209636  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 12 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  POM230312  Arctostaphylos canescens subsp. canescens J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC1120921  Arctostaphylos canescens subsp. canescens R. W. Lundh and J. B. Spring 1932-7-19 119 Sonoma 1/2 mi w Los Alamos School; Santa Rosa Quadrangle 518 Comment
  UCD110448  Arctostaphylos canescens subsp. canescens Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  UC1309655  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 876 Sonoma s edge Rincon Hills; Santa Rosa Quadrangle 121 Comment
  UC1309670  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1575 A Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge 152 Comment
  UC424810  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1930-2-21 3877 a Sonoma Rincon Ridge; ; Riveon Ridge Comment
  UC570377  Arctostaphylos canescens subsp. sonomensis Chas. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi sw County Farm; North Coast Range, Rincon Ridge 152 Comment
  CAS-BOT-BC23641  Arctostaphylos columbiana Mary P. Wells 1986-1-9 705 A Sonoma Edge of forest by Pilot's Beach, The Sea Ranch Comment
  POM202851  Arctostaphylos columbiana J. T. Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point. Comment
  SBBG5404  Arctostaphylos columbiana H. and M. Dearing 1939-5-15 3392 Sonoma N of Fort Ross Comment
  UC549697  Arctostaphylos columbiana J. E. Adams 1935-3-28 734 Sonoma seven mi n Fort Ross Comment
  UC549703  Arctostaphylos columbiana J. E. Adams 1934-3-28 744 Sonoma coastal bluff s McNamees Store (nw Sonoma Co.) Comment
  CAS-BOT-BC24981  Arctostaphylos densiflora Catherine Best 1986-2-9 1162 Sonoma On Stoetz Lane about 3 miles NE of Occidental. Comment
  CAS-BOT-BC25017  Arctostaphylos densiflora Elmer I. Applegate 1932-3-19 7028 Sonoma Roadside just W of Vine Hill Schoolhouse, about 10 mi Westerly from Santa Rosa. Type Station. Comment
  CAS-BOT-BC25021  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma At roadside; Vine Hill School Road, 0.1 mile E of junction with Vine Hill Road, ca. 10 miles W of Santa Rosa. Comment
  CAS-BOT-BC27250  Arctostaphylos densiflora Milo Samuel Baker 1928-4-18 5045 Sonoma Near Vine Hill School House Comment
  JEPS83500  Arctostaphylos densiflora Jack and Betty Guggolz 1986-2-22 848 Sonoma above extrapolated (Spanish land grant) (n side of Vine Hill School Rd); Cal. Native Plant Soc. reserve Comment
  SBBG28862  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  UC1120153  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 831 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC549451  Arctostaphylos densiflora J. E. Adams 1934-3-28 724 Sonoma Vine Hill School Sta. Rosa Comment
  SEINET11984897  Arctostaphylos densiflora R. Gankin, Hildreth, W. R. 1967-1 1070 Sonoma along Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11987218  Arctostaphylos densiflora W. Knight, Knight, I. 1980-1 3856 Sonoma along Vine Hill Rd across from McConnell's place Comment
  SEINET11987279  Arctostaphylos densiflora W. Knight, Knight, I.; McClintock, E.; Sigg, J. 1981-1 4037 Sonoma Strybing Arboretum, San Francisco, originally from Vine Hill District, near Sebastopol Comment
  SEINET11988292  Arctostaphylos densiflora Unknown 1957-1 247 Sonoma Vine Hill School Rd, 0.1 mi E of jct with Vine Hill Rd Comment
  CAS-BOT-BC361404  Arctostaphylos glandulosa Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC23281  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1963-9-1 261 Sonoma Pine Mt. Rd., NE Cloverdale, Harold Smith Ranch. Comment
  RSA631182  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24729 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631192  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24733 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24724  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. Hood. Comment
  UC1281370  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1936-4-4 4384 Sonoma R. L. Stevenson Monument Mt. St. Helena Comment
  UC473583  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5779 Sonoma Vine Hill District Comment
  UC518981  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma about 4 mi e Warfield (along road to Oakville) 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
  RSA631187  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24725 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631197  Arctostaphylos glandulosa var. cushingiana Jon E. Keeley 1993-9-11 24731 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  JEPS82522  Arctostaphylos hispidula Roger Raiche 1984-2-26 40044 Sonoma Rockpile Road about 9.1 mi n origin at Skaggs Spring-Stewarts Point Road 502 Comment
  CAS-BOT-BC24404  Arctostaphylos manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4762 Sonoma The Cedars, Twitchell Ranch. 243 Comment
  CAS-BOT-BC38991  Arctostaphylos manzanita Roger Raiche 1983-7-10 30491 M Sonoma East Austin Creek State Rec. Area, Near fire road near confluence of Gilliam Creek and Schoolhouse Creek. 121 Comment
  CDA11186  Arctostaphylos manzanita G. F. Hrusa 1989-1-2 5803 Sonoma North Coast Biodiversity Arena; NW side of Mt. St. Helena near summit of Chalk Mtn. off Ida Clayton Rd. Comment
  RSA633052  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  RSA633057  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27492 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  UCD52166  Arctostaphylos manzanita Beecher Crampton 1955-6-17 2978 Sonoma 2.4 miles south of Monte Rio; road to Camp Meeker. Comment
  UCD59188  Arctostaphylos manzanita P. V. Wells; W. and I. Knight 1986-1-10 5223 Sonoma Next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. In well-developed residential area. Farthest south in a distribution which goes northward to Leggett in Mendocino County and westward to Navarro in the same county. Comment
  SEINET11984821  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1072 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11990955  Arctostaphylos manzanita Unknown 1983-1 30572 Sonoma N slope Morrison Ridge, Austin Creek State Recreation Area, above Thompson Creek 274 Comment
  SEINET11990957  Arctostaphylos manzanita Unknown 1983-1 30585 B Sonoma Layton Mine, Austin Creek, The Cedars Comment
  SEINET11990959  Arctostaphylos manzanita Unknown 1983-1 30499 C Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990962  Arctostaphylos manzanita Unknown 1983-1 30499 F Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990964  Arctostaphylos manzanita Unknown 1983-1 30499 H Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11991011  Arctostaphylos manzanita W. Knight, Knight, I. 1983-1 4699 Sonoma Trinity Grade 300 Comment
  SEINET11991026  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET11992144  Arctostaphylos manzanita subsp. bakeri F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -167 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  SEINET11998361  Arctostaphylos manzanita subsp. bakeri W. Knight, Knight, I. 1985-1 6378 Sonoma Harrison Grade 213 Comment
  CAS-BOT-BC38687  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5762 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC38704  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-20 5107 Sonoma Near Windsor Comment
  CAS-BOT-BC38710  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue highway, near Santa Rosa Comment
  UC1084351  Arctostaphylos manzanita subsp. manzanita G. Thomas Robbins 1937-3-25 7 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  CAS-BOT-BC38715  Arctostaphylos manzanita subsp. manzanita Gary D. Wallace 1974-12-23 1348 Sonoma NE of Occidental 2 mi on Grafton Rd. 152 Comment
  CAS-BOT-BC38719  Arctostaphylos manzanita subsp. manzanita William R. Dudley 1893-2-1 s.n. Sonoma L. A. Jr. Arboretum Comment
  RSA94311  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Dry, open area separating the western branch of the Upper Marsh from the eastern. Comment
  RSA96696  Arctostaphylos manzanita subsp. manzanita P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20377 Sonoma 4 mi. s.w. of Lake-Sonoma Co. line, n.w. to w. slope Mt. St. Helena. 640 Comment
  CAS-BOT-BC56921  Arctostaphylos nummularia Mary P. Wells 1983-8-4 s.n. Sonoma Stump Beach, Salt Point State Beach Comment
  UCD52885  Arctostaphylos nummularia G. L. Stebbins Jr. 1970-7-14 7055 Sonoma Three miles northwest of Plantation. 274 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-BC47339  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 20301 E Sonoma King Ridge Rd. (4.5 mi. n. of junction with Ft. Ross Rd.), about 0.7 mi. in from King Ridge Rd. on old Layton Comment
  CAS-BOT-BC47343  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5764 Sonoma Rincon Ridge near Santa Rosa. Comment
  CAS-BOT-BC47348  Arctostaphylos stanfordiana R. F. Hoover 1963-1-12 8547 Sonoma Cavedale Rd., Hoods Peak Range. Comment
  RSA636819  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24742 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636820  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24741 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD51002  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1985-2-3 50041 Sonoma Sonoma County, California, unnamed ridge west side of Dry Creek Valley, n of Crane Cr. and s of Bradford Mt Comment
  UCD51008  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1982-4-10 20301 C Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about .7 mi. in from King Ridge Rd. on Old Layton Mine Rd. On topo map area is called ' Red Slide', north of Cazadero in Sonoma County. Comment
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Oct 17 2013
  RSA339402  Arctostaphylos stanfordiana var. repens Roger Raiche 1985-11-23 50895 Sonoma W side of Dry Cr Valley, Bradford Mt 371 Comment
  UC549531  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 747 Sonoma 1 mi s McNamees Store Comment
  HSC7746  Arctostaphylos viscida S. N. Wiemeyer 1962-1-28 3 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  RSA202118  Arctostaphylos viscida Freed W. Hoffman 1947-4-3 677 Sonoma Wild Hog Ridge, headwaters Mill Creek, near Healdsburg. Comment
  SEINET11989677  Arctostaphylos viscida Unknown 1982-1 20656 Sonoma East Austin Creek State Park, nr intersection of Gilliam Creek & Schoolhouse Creek along old mine rd Comment
  UCD59398  Arctostaphylos viscida subsp. pulchella Walter and Irja Knight; Dr. Steve Edwards 1986-4-20 5364 Sonoma Along trail to Sulphur Peak, east of Geyserville. 975 Comment
  SEINET11993378  Arctostaphylos viscida subsp. pulchella W. Knight, Knight, I.; Edwards, S. 1986-1 5364 Sonoma along trail to Sulphur Peak, E of Geyserville 975 Comment
  CAS-BOT-BC400484  Aristolochia californica F. Almeda; G. DeNevers 1981-3-30 4875 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch Comment
  CAS-BOT-BC400488  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi. east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road Comment
  POM165727  Aristolochia californica A. A. Heller, H. E. Brown 1902-3-12 s.n. Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  UC1135994  Aristolochia californica H. S. Yates 1934-4-22 3850 Sonoma 3 mi. e. Mark West; Calistoga Quad. Comment
  UC6150  Aristolochia californica F. T. Bioletti May, 1891 Sonoma Comment
  CDA22413  Aristolochia californica M. Vernon 1985-6-21 Sonoma 6858 Hessel Road, Sebastopol. 0 Comment
  CAS-BOT-BC64582  Armeria maritima subsp. californica Alice Eastwood; John Thomas Howell 1939-4-2 7372 Sonoma Coast n. of Bodega Bay. Comment
  UCSB50231  Armeria maritima subsp. californica Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  CAS-BOT-BC82567  Arnica discoidea H. K. Wagnon; J. T. Vale 1988-6-11 s.n. Sonoma Skaggs Springs Road, between Annapolis Road & Lake Sonoma Comment
  CAS-BOT-BC146277  Arrhenatherum elatius var. elatius David L. Morgan 1956-6-10 s.n. Sonoma On the Bohemian Highway, 2 miles south of Occidental. 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
  POM31359  Artemisia suksdorfii Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC400601  Asarum caudatum Walter Knight; Irja Knight 1963-11-22 427 Sonoma Ida Clayton Rd Comment
  JEPS101708  Asclepias solanoana Dean W. Taylor 1997-5-7 15985 Sonoma The Cedars, headwaters Austin Creek 563 Comment
  JEPS128388  Aspidotis densa Roger Raiche 2000-4-23 045 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET11718421  Aspidotis densa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -244 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC157676  Asteraceae Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  RSA415795  Astragalus claranus J. T. Howell 1931-4-19 6431 Sonoma 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa. Comment
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Nov 17 2007
  CAS-BOT-BC186825  Astragalus gambelianus Greg de Nevers 1993-5-30 10464 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Piny Canyon 457 Comment
  UC19232  Astragalus gambelianus Michener and Bioletti June 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC66006  Athyrium filix-femina Mary P. Wells 1984-7-21 387 Sonoma The Hot Spot (by the Gualala River South Fork) The Sea Ranch Comment
  CAS-BOT-BC66146  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1957-6-28 3384 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC66148  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-11-24 843 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66153  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC17428  Athysanus pusillus A. A. Heller; H. E. Brown 1902-3-24 5142 Sonoma Hills East of Santa Rosa. Comment
  UC1299654  Athysanus pusillus Freed Hoffman 1947-2-28 610 Sonoma near. headwaters of Gilliam Creek Guerneville; North Coast Ranges, Gilliam Creek Comment
  POM143740  Athysanus pusillus Michener, Bioletti 1893-04 s.n. Sonoma Adobe Canyon. Comment
  CAS-BOT-BC290657  Atriplex Peter Rubtzoff 1958-9-28 4017 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UC1034625  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach at Salmon Creek; beach at Salmon Creek Comment
  CDA36981  Avena fatua 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
  UC1103326  Avena fatua Joseph P. Tracy 1933-5-1 12131 Sonoma Knight's Valley Northern Coast Ranges Comment
  UCR244598  Avena fatua Peter Rubtzoff 1972-5-25 6766 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC68339  Azolla filiculoides Peter Rubtzoff 1962-10-9 5113 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC68343  Azolla filiculoides Peter Rubtzoff 1955-4-30 1812 Sonoma Forestville Marsh Comment
  CAS-BOT-BC99591  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  UC527412  Baccharis pilularis Carl B. Wolf and E. R. Johnson 1934-10-13 Sonoma 2 4/10 mi n of mouth of Russian River 60 Comment
  UCD129298  Baccharis pilularis Frederica Bowcutt 1996-5-19 2132 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 Canyon, about 1/8 air miles NE of Red Mtn. 701 Comment
  HSC2223  Baccharis pilularis subsp. pilularis C. B. Wolf, E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 miles N of mouth of Russian River 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-BC16698  Barbarea orthoceras John Thomas Howell 1951-5-28 27497 Sonoma Laguna east of Sebastopol. Comment
  CAS-BOT-BC145827  Beckmannia syzigachne Peter Rubtzoff 1960-6-25 4513 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville roads. Comment
  JEPS75075  Beckmannia syzigachne Edward Lee 1934-4-30 744 Sonoma 1 mi w. 2 Rock junction Comment
  POM206249  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC106392  Bellis perennis Mildred Parks 1925-7-20 s.n. Sonoma Stewart's Point Comment
  RSA155645  Bidens frondosa L. S. Rose 1960-9-14 60092 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  SEINET11842881  Bidens frondosa W. Knight, Knight, I. 1984-1 5291 Sonoma Spring Lake, Santa Rosa Comment
  JEPS35788  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8929 Sonoma along Hayes St. just s Bettencourt (southern outskirts of town, at type locality); Sonoma 19 Comment
  JEPS81944  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8929 Sonoma along Hayes St. just s Bettencourt (southern outskirts of town, at type locality); Sonoma 19 Comment
  JEPS86325  Blennosperma bakeri Jack and Betty Guggolz 1988-2-23 901 Sonoma Kovatch property, n side of San Miguel Road, 1/10 m w of Walzer Rd Comment
  OBI16930  Blennosperma bakeri M. S. Baker 1946-1 Sonoma Comment
  RSA800149  Blennosperma bakeri Peter Rubtzoff, Nancy Harrison, Walter Lennon 1974-5-11 7391 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  NY30994  Blennosperma bakeri L. S. Rose 1949-3-27 49015 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
  RSA0008299  Blennosperma bakeri L. S. Rose 1949-3-27 s.n. Sonoma Western outskirts of Sonoma. 27 Comment
  OBI48606  Blennosperma nanum Michener and Bioletti, Bioletti April 1893 Sonoma Kenwood Comment
  CAS-BOT-BC105961  Blennosperma nanum var. nanum A. A. Heller; H. E. Brown 1902-3-14 s.n. Sonoma Near Windsor Comment
  UC1211922  Blennosperma nanum var. nanum John H. Weiler 1961-2-17 615 Sonoma 3.4 mi n of, along State Highway 12 Agua Caliente Comment
  CAS-BOT-BC154968  Boisduvalia Peter Rubtzoff 1970-8-19 6328 Sonoma Austin Creek beach, 3.5 miles S of Cazadero Comment
  CAS-BOT-BC154956  Boisduvalia Peter Rubtzoff 1971-7-23 6613 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC154953  Boisduvalia densiflora Peter Rubtzoff 1954-9-6 1739 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC154871  Boisduvalia densiflora Peter Rubtzoff 1961-6-23 4644 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154970  Boisduvalia densiflora Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mtn. Lake. Comment
  RSA791565  Boisduvalia glabella Peter Rubtzoff 1961-6-7 4613 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  RSA791579  Boisduvalia glabella Peter Rubtzoff 1962-7-6 4976 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  RSA791563  Boisduvalia stricta Peter Rubtzoff 1961-6-7 4617 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  CAS-BOT-BC28222  Bolboschoenus fluviatilis Peter Rubtzoff 1966-7-4 5772 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Rd. Comment
  UC903746  Bolboschoenus robustus Milo S. Baker 1946-7-28 11541 Sonoma On Sear's Point Highway. Comment
  RSA0057963  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  UCR255646  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UCR256116  Boykinia elata Greg de Nevers 1996-6-10 10830 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC496423  Boykinia occidentalis Merle Randall 1930-6-8 Sonoma Cazadero 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-BC36709  Brassica rapa John F. Emmel 1971-5-8 349 Sonoma Along road 0.5 mile south of Mark West Springs and above Mark West Creek. 146 Comment
  CDA3606  Brassica rapa J. M. DiTomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab across from entrance to the marine facility. 0 Comment
  CAS-BOT-BC157983  Brassicaceae Peter Rubtzoff 1972-4-23 6737 Sonoma Vernal pool, 4.25 miles W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC100475  Brickellia californica Greg de Nevers 1996-10-20 10890 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC100477  Brickellia californica Walter Knight; Irja Knight 1963-9-15 292 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC145477  Briza maxima Roxana S. Ferris 1961-6-14 13530 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega. Comment
  UCD57138  Briza maxima Terri Williamson 1990-5-20 60 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  CAS-BOT-BC145289  Briza minor John Thomas Howell 1935-5-5 12607 Sonoma Kenwood. Comment
  UCD57376  Briza minor M. Wiesendanger 1927-5-4 662 Sonoma Sonoma County. Comment
  UCD57382  Briza minor Frank H. Takatori 1952-5-11 s.n. Sonoma 1 mile north of Petaluma. Comment
  JEPS79161  Brodiaea appendiculata Nancy Harrison 1980-5-16 2125 Sonoma directly s. of vineyard and Piner Elementary School (Piner and Fulton roads are north, west Santa Rosa); west Santa Rosa Comment
  CAS-BOT-BC478964  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  SEINET10570437 Image available Brodiaea californica subsp. leptandra A. Arthur Heller 1902-6-23 Heller 5742 Sonoma Pertified Forest. Comment
  SEINET12044726  Brodiaea coronaria L. S. Rose 1932-1 32301 Sonoma Shellville Comment
  UC768624  Brodiaea elegans subsp. elegans R. F. Hoover 1938-6-14 3606 Sonoma 2 mi se Healdsburg Comment
  CAS-BOT-BC484395  Brodiaea elegans subsp. elegans Peter Rubtzoff; Nancy Harrison; Dug Jones 1974-6-8 7575 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 miles from Llano Road Comment
  CAS-BOT-BC484397  Brodiaea elegans subsp. elegans Peter Rubtzoff 1971-6-23 6545 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road Comment
  JEPS74720  Brodiaea leptandra W. L. Jepson 1923-6-28 10006 Sonoma Kenwood Sonoma Canyon 243 Comment
  UC768739  Brodiaea leptandra R. F. Hoover 1938-6-14 3604 Sonoma 2 mi se Healdsburg Comment
  JEPS18123  Brodiaea stellaris Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5675 Sonoma at base The Butcher Knife (along secondary road following creek); Big Austin Creek 182 Comment
  SEINET9636479 Image available Brodiaea stellaris Fred W. Hoffman 1947-5-18 541 Sonoma ca. 2 miles east of Occidental. Comment
  JEPS7708  Brodiaea terrestris subsp. terrestris W. L. Jepson 1921-6-3 9308 Sonoma Wilfred station Santa Rosa Valley Comment
  CAS-BOT-BC486456  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1941-6-7 s.n. Sonoma Open grassy hill top, 4.2 miles north of Jenner Comment
  CAS-BOT-BC486470  Brodiaea terrestris subsp. terrestris Catherine Best 1983-6-10 s.n. Sonoma Salt Point, on bluff above the ocean Comment
  CAS-BOT-BC487729  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1969-5-11 6041 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC149083  Bromus carinatus var. carinatus David L. Morgan 1961-4-15 s.n. Sonoma Bluffs, Bodega Bay. Comment
  CAS-BOT-BC149094  Bromus carinatus var. carinatus G. DeNevers 1981-5-20 1233 Sonoma Pepperwood Ranch. At confluence of Leslie Creek and Mark West Creek. Comment
  CAS-BOT-BC149098  Bromus carinatus var. carinatus Roxana S. Ferris; Laura Lorraine 1961-6-14 13535 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  SEINET943634  Bromus carinatus var. carinatus Lewis S. Rose 1962-1 62024 Sonoma 1 mile NW of Freestone 76 Comment
  UC1155619  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3232 Sonoma Sebastopol Comment
  UC1155620  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3231 Sonoma 2.8 mi n of Occidental (on road to Monte Rio) Comment
  UC574004  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 mi sw of Healdsburg 152 Comment
  CAS-BOT-BC155669  Bromus diandrus A. A. Heller 1902-4-17 5322 Sonoma Santa Rosa. Comment
  CAS-BOT-BC155213  Bromus hordeaceus Mary P. Wells 1984-4-23 190 Sonoma Rincon Valley, Santa Rosa. Comment
  JEPS121158  Bromus hordeaceus Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18590 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  SEINET11690154  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6278 Sonoma Todd Road Preserve 24 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
  RSA126882  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma Three miles northwest of Graton. 61 Comment
  UCD58923  Bromus laevipes Rimo Bacigalupi; L. Heckard 1961-6-9 7744 Sonoma Near reservoir at head of North Fk. of Lancel Creek. Just below the serpentine area along Stoeti Lane, about 1/2 mile northwest of its junction with Harrison Grade road. About 3/4 mile northwest of Occidental School. 222 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
  SEINET10524463  Bromus marginatus A. Arthur Heller 1902-4-9 Heller 5247 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC161585  Bromus sterilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53965 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UCD60236  Bromus vulgaris P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis. Comment
  CAS-BOT-BC176119  Cakile maritima Peter Rubtzoff 1955-8-20 2078 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC352221  Calamagrostis Peter Rubtzoff; Nancy Harrison 1978-6-11 9217 Sonoma Cunningham Marsh area, along northern tributary of Blucher Creek, ca. 1 air mile WSW of Cunningham Station. Comment
  CAS-BOT-BC185411  Calamagrostis bolanderi Peter Rubtzoff 1951-6-10 194 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC185412  Calamagrostis bolanderi Roxana S. Ferris; Laura Lorraine 1961-6-14 13537 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  SEINET241522 Image available Calamagrostis bolanderi Baraba Wilson, Sami Gray 1997-7-31 8900 Sonoma Sea Ranch; Big Tree loop trail, which originates between unites 27A and 29A off Timber Ridge Rd., off Deerfield Loop Rd. 171 Comment
  CAS-BOT-BC185120  Calamagrostis nutkaensis Mary P. Wells 1981-8-2 s.n. Sonoma On Moonraker Road below Crow's Nest (east of Highway #1). The Sea Ranch. Comment
  CAS-BOT-BC185133  Calamagrostis nutkaensis Peter Rubtzoff 1952-5-21 1058 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  RSA126854  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma 2 miles N. E. of Freestone; Sebastapol. 122 Comment
  CAS-BOT-BC185117  Calamagrostis ophitidis R. F. Hoover 1965-6-29 9475 Sonoma North of summit of Harrison Grade road near Occidental. Comment
  UC727779  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma a mi or so s of El Verano (along overflow channel just w of Sonoma Cr.) Comment
  RSA99617  Calendula arvensis J. T. Howell 1954-4-1 29138 Sonoma Just east of Shellville. Comment
  UCSB22467  Calendula arvensis McCarthy, Sharon 1965-4-17 Sonoma Sonoma, California 25 Comment
  UC17873  Callitriche heterophylla var. bolanderi F. T. Bioletti Apr 1893 Sonoma Kenwood Comment
  CAS-BOT-BC293756  Callitriche palustris Peter Rubtzoff 1969-5-3 6027 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC400140  Calochortus amabilis Ynes Mexia 1929-6-2 2393 Sonoma near Mark West Springs Comment
  CAS-BOT-BC483274  Calochortus amabilis John H. Thomas 1966-5-8 11605 Sonoma 1.4 miles west of Napa-Sonoma county line, along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC483278  Calochortus amabilis F. G. Krauss 1895-5-6 s.n. Sonoma Mountains near Franz Valley Comment
  CAS-BOT-BC483280  Calochortus amabilis Aven Nelson; Ruth A. Nelson 1933-5-14 557 Sonoma Kenwood Comment
  CAS-BOT-BC483291  Calochortus amabilis A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  CAS-BOT-BC492631  Calochortus luteus Peter Rubtzoff 1961-6-23 4640 Sonoma Bennett Mtn. Lake. Comment
  JEPS55638  Calochortus tolmiei Wayne Roderick 1967-5-13 Sonoma ca 1 rd mi n Fort Ross 22 Comment
  UCD139582  Calochortus tolmiei Mary M. Hektner 1975-4-30 192 A Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCSB641  Calochortus tolmiei Robbins, G. 1938-4-15 Sonoma About 2.5 miles east of Bodega Bay Comment
  POM161089  Calochortus uniflorus Rimo C. Bacigalupi 1249 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
Read comments
Mar 30 2015
  UCR265135  Calochortus uniflorus Ann Howald, Christina Freeman 2015-4-13 3340 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, south shore, c. 300 feet north of intersection Pig Flat and Marsh trails 363 Comment
  CAS-BOT-BC270705  Calycadenia multiglandulosa Roxana S. Ferris; Laura Lorraine 1961-6-14 13548 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UC894254  Calycadenia multiglandulosa Milo S. Baker 1931-7-9 5344 Sonoma s of The Petrified Forest Comment
  UCSC000752  Calycadenia multiglandulosa C. M. Hoak 2008-7-31 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC270707  Calycadenia multiglandulosa Milo S. Baker 1930-6-6 4161 Sonoma Along Highway (southern) between Sebastopol and Occidental Comment
  UC479413  Calycadenia pauciflora Marcus E. Jones, A. M. 1931-7-5 29125 Sonoma The Geysers Comment
  CAS-BOT-BC270841  Calycadenia pauciflora G. DeNevers 1981-6-27 1703 Sonoma Summit of Franz Valley Road Comment
  CDA11977  Calycadenia truncata G. F. Hrusa, T. D. Wilfred 1995-12-3 12482 Sonoma North Coast Biodiversity Arena; Immed. below W base of Chalk Mtn. Foote Ranch, NW base of Mt. St. Helena. Comment
  UCR255699  Calycadenia truncata Peter Rubtzoff 1966-8-3 5779 Sonoma North Coast Range, going up Bennett Mountain from Lawndale to Bennett Mountain Lake 305 Comment
  CAS-BOT-BC272758  Calycadenia truncata subsp. truncata F. G. Krauss 1893-10-4 s.n. Sonoma 5 miles west of Calistoga Comment
  POM149134  Calycanthus occidentalis Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. 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
  UCSB50197  Calystegia occidentalis Gray, John 1976-5-1 Sonoma Blind Beach; T7N R11W 60 Comment
  JEPS111396  Calystegia purpurata subsp. purpurata Jack and Betty Guggolz 1997-6-23 1533 Sonoma North side of Kelly Road from one mile to two miles west of the Rockpile Road crossing 550 Comment
  CAS-BOT-BC224739  Calystegia purpurata subsp. saxicola Alice Eastwood 1915-6-29 4861 Sonoma Bodega Point Comment
  RSA710253  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach 15 Comment
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Mar 15 2013
  RSA123583  Camassia leichtlinii subsp. suksdorfii Allison Hastings 1940-4-12 s.n. Sonoma North of Fort Ross, Sonoma Coast Comment
  JEPS61558  Camassia quamash subsp. quamash Eleanor Armstrong 1933-4-1 656 Sonoma near Occidental Comment
  POM180624  Camissonia cheiranthifolia subsp. cheiranthifolia J. T. Howell 1930-6-8 5273 Sonoma North end of Bodega Bay. Comment
  HSC16502  Camissonia ovata R. F. Good 1962-4-20 1 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  HSC16508  Camissonia ovata James Faro 1962-4-14 9 Sonoma Salt Point Ranch, about 5 mi. N of Fort Ross Comment
  POM31995  Camissonia strigulosa A. A. Heller, H. E. Brown 1902-5-27 5613 Sonoma Bodega Bay. Comment
  CAS-BOT-BC160365  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma North of the town of Bay, Bodega Bay Comment
  CAS-BOT-BC160367  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  HSC95909  Campanula californica Melissa Brooks, Colette Beaupre 2000-7-20 Sonoma Near Sea Ranch, on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M. 61 Comment
  JEPS19404  Campanula californica G. Thomas Robbins 1938-6-23 269 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  SEINET10463922  Campanula californica Rowntree 1931-7-15 ROWNTREE s.n. Sonoma SKYP SPRINGS ROAD Comment
  SEINET10463924  Campanula californica Rowntree 1931-7-15 ROWNTREE s.n. Sonoma Skyp Springs road Comment
  SEINET10840067  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma Annapolis Comment
  SEINET10840069  Campanula californica Baker 1928-6-28 Baker 30468 Sonoma Pitkin Marsh, Vine Hill District Comment
  SEINET10905990  Campanula californica Wolf 1927-9-2 WOLF 1355 Sonoma 1 mile south of the Gualala River on coast road Comment
  UC764575  Campanula griffinii Robert F. Hoover 1941-6-7 5310 Sonoma two mi se Monte Rio (on road to Camp Meeker) Comment
  CLARK-A1528-2364  Campanula prenanthoides John C. Roos 1957-7-2 Sonoma Miller Ridge Comment
  RSA786866  Capsella bursa-pastoris Carrie A. Herd 1982-3-14 19 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  HSC34934  Cardamine californica Thomas W. Nelson, James Nelson 1975-3-25 1757 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  RSA177957  Cardamine californica var. integrifolia R. F. Thorne 1965-4-20 34330 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  CDA18778  Cardamine hirsuta Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  JEPS35786  Cardamine oligosperma Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8927 Sonoma just off Arnold Drive at its junction with Fowler Creek Road (Sonoma Valley); Sonoma Valley 35 Comment
  RSA73977  Cardamine oligosperma Milo S. Baker 1952-3-20 12391 Sonoma Western outskirts of Sonoma on 5th St. near Bettencourt Comment
  UC727778  Cardamine oligosperma Milo S. Baker Apr. 1946 11309 Sonoma Brookside Garden near Kenwood; Brookside Garden near Kenwood Comment
  UCD114549  Cardamine oligosperma Boris Korotyaev 2000-3-28 s.n. Sonoma Bodega Bay. Comment
  JEPS128333  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-2-28 010 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC38116  Cardamine parviflora R. Bacigalupi 1948-3-6 2856 Sonoma Northwest Sonoma County. At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs. Comment
  CAS-BOT-BC251241  Cardionema ramosissimum Peter Rubtzoff 1960-5-18 4369 Sonoma Bodega Head Marsh. Comment
  OBI63072  Carduus pycnocephalus R. K. Brummitt, A. Wolf, & R. W. Howe, R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat rd near Red Hill 650 Comment
  UCD161841  Carex James A. Neilson Jr. 1975-7-8 3379 a Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR255709  Carex abrupta Peter Rubtzoff 1957-6-28 3376 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC334521  Carex abrupta Peter Rubtzoff 1957-6-28 3375 Sonoma Duncans Mills Marsh. Comment
  UCR248947  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma Marsh on River Road, c. 3 miles west of Fulton 27 Comment
  CAS-BOT-BC422353  Carex barbarae Peter Rubtzoff 1958-5-10 3637 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UC783  Carex bolanderi J. W. Congdon 1880-5-31 370 Sonoma Santa Rosa Comment
  JEPS116508  Carex californica Peter Warner 2009-6-9 107 Sonoma Salt Point State Park, main trail to pygmy forest from Woodside Campground, approx. 1.3 mi E of Hwy 1, approx. 0.25 mi ESE of water tanks, along trail edge 200 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-BC20487  Carex densa Peter Rubtzoff 1952-5-31 1106 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC242636  Carex densa Peter Rubtzoff 1957-5-11 3329 Sonoma Occidental Marsh Comment
  UCR208522  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh Comment
Read comments
Feb 21 2013
  CAS-BOT-BC18993  Carex densa Katherine Esau 1935-5-5 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC20472  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 Sonoma Near Asti. Comment
  CAS-BOT-BC20492  Carex densa Catherine Best 1981-5-2 s.n. Sonoma Willow Creek Road about 6 miles west of Occidental. Comment
  CAS-BOT-BC20516  Carex densa Peter Rubtzoff 1975-7-3 8148 Sonoma Sonoma County Marshes. Kenwood Marsh. Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  RSA212189  Carex dudleyi L. S. Rose 1939-5-14 39117 Sonoma Bodega. 30 Comment
  UCR248915  Carex exsiccata Peter Rubtzoff 1960-6-7 4451 Sonoma Austin Creek Marsh 15 Comment
  CAS-BOT-BC19953  Carex exsiccata A. A. Heller 1902-7-1 5798 Sonoma Lagoon at Sebastopol. Comment
  CAS-BOT-BC20137  Carex feta Peter Rubtzoff 1952-1-1 1093 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  UCR249912A  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC20452  Carex globosa John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54676 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC28330  Carex gracilior Henry Nicholas Bolander 1866-3-1 4635 Sonoma Petaluma. Comment
  CAS-BOT-BC28335  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near Mark West Creek. Comment
  RSA94275  Carex gracilior Peter Rubtzoff 1952-3-22 866 Sonoma Pitkin Marsh, near Forestville: Western branch of the upper Marsh in partial shade on damp ground Comment
  CAS-BOT-BC21902  Carex harfordii Peter Rubtzoff 1955-5-21 1859 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC21911  Carex harfordii Peter Rubtzoff 1952-5-10 1002 Sonoma The Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  CAS-BOT-BC311821  Carex lasiocarpa Peter Rubtzoff 1962-4-11 4795 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31170  Carex lemmonii Milo S. Baker 1946-5-13 11392 Sonoma Marsh adjoining Pitkin Ranch on the North. Comment
  CAS-BOT-BC31175  Carex lemmonii R. F. Hoover 1939-5-30 4111 Sonoma Perry's Ranch near Sebastopol. Comment
  CAS-BOT-BC31179  Carex lemmonii Peter Rubtzoff 1951-6-16 260 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  OBI22652  Carex lemmonii Robert F. Hoover 1939-5-30 4111 Sonoma Perry's "Twin Pines Ranch" near Sebastopol Comment
  UCR249079  Carex leptopoda Peter Rubtzoff, Nancy Harrison 1974-7-13 7680 Sonoma Upper Green Valley Marsh Comment
  JEPS128382  Carex mendocinensis Roger Raiche 2000-5-5 082 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  HSC100958  Carex multicaulis Peter Warner, Sarah Gordon 2011-5-16 197 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
  CAS-BOT-BC119577  Carex nudata Gregory Clark de Nevers 1981-3-14 528 B Sonoma Pippindale farm, 7 mi NE of Santa Rosa, near Mark West lodge. 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
  UCR250034  Carex obnupta Peter Rubtzoff 1964-7-29 5445 Sonoma Central Coast, Brooks Gulch Marsh 15 Comment
  CAS-BOT-BC119310  Carex obnupta Mary P. Wells 1981-8-2 s.n. Sonoma S end of Timber Ridge Road, The Sea Ranch. Comment
  CAS-BOT-BC310304  Carex obnupta Peter Rubtzoff 1964-7-29 s.n. Sonoma Bodega Bay Marsh. Comment
  RSA94273  Carex ovalis Peter Rubtzoff 1951-7-7 378 Sonoma Pitkin Marsh, near Forestville; Eastern branch of the upper marsh. Comment
  CAS-BOT-BC320469  Carex pachystachya Peter Rubtzoff 1974-6-2 7504 Sonoma Upper Green Valley Marsh. Comment
  SEINET7570602 Image available Carex pansa Catherine Best 1985-5-15 1086 Sonoma Bodega Head. Comment
  SEINET7572506 Image available Carex preslii Andrew L. Hipp, Glen C. Clifton 1999-5-27 334 a Sonoma City of Santa Rosa. Comment
  SJSU8861  Carex senta R. D. Demostene 1965-4-25 Sonoma creek bed 3.5 mi NW of Cloverdale on State Rte 128 144 Comment
  RSA0000226  Carex sonomensis J. T. Howell, J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh. Comment
  RSA244331  Carex stipata Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1087 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  UCR248942  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC310296  Carex stipata Peter Rubtzoff 1955-6-4 1904 Sonoma Forestville Marsh. Comment
  UC1133459  Carex stipata var. stipata H. S. Yates 1936-5-16 5604 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quadrangle Comment
  UCR208531  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC350935  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC350937  Carex tumulicola Peter Rubtzoff 1959-5-31 4076 Sonoma Freestone Marsh. Comment
  UCR248869  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncan Mills Marsh 2 Comment
  RSA0020341  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh. Comment
  CDA33583  Carthamus lanatus Robin Breckenridge & Andrew Smith 2010-7-21 PDR# 1313484 Sonoma Calistoga: La Franchi Ranch, Highway 128. 0 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
  UC1364567  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca 1 mi w Asti turn-off of the freeway (Hwy 101) Comment
  HSC103378  Carthamus leucocaulos T. C. Fuller 1978-8-17 20253 Sonoma Asti, 1 mi. W of Hwy. 101 freeway exit. Comment
  JEPS35565  Castilleja L. R. Heckard 1964-6-12 1389 Sonoma s limit Bodega Bay town Comment
  UCD164105  Castilleja Peter Rubtzoff; Nancy Harrison 1978-5-20 9189 Sonoma Cunningham Marsh area, north side of Blucher Creek Valley. Comment
  UCR143607  Castilleja G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC249237  Castilleja affinis Alexander 1944-4-1 s.n. Sonoma Near Santa Rosa Comment
  JEPS128327  Castilleja attenuata Roger Raiche 2000-5-4 073 .00 Sonoma The Cedars. Lower Russian River, Big Austin watershed. Comment
  POM15981  Castilleja foliolosa A. A. Heller, H. E. Brown 1902-3-12 5034 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  CAS-BOT-BC243849  Castilleja latifolia Ella Dales Cantelow 1939-4-10 2606 Sonoma 4 1/2 mi. NW of Bodega Comment
  CAS-BOT-BC243854  Castilleja latifolia J. Clausen 1935-5-24 1088 Sonoma 5.1 mi. S of Jenner on the Bodega Road Comment
  CAS-BOT-BC243858  Castilleja latifolia John Thomas Howell 1930-7-27 5412 Sonoma 4 miles north of Bodega Bay Comment
  JEPS60454  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1969-6-29 6692 Sonoma 3.9 mi n Jenner (on Highway 1) Comment
Read comments
Jun 1 2015
  JEPS86334  Castilleja subinclusa subsp. franciscana Jack and Betty Guggolz 1988-4-4 908 Sonoma Sotoyome Land Grant; e side of crest of ridge Comment
  JEPS35567  Castilleja wightii L. R. Heckard 1964-6-12 1387 Sonoma about 5 mi n Bodega Bay (at Wrights Beach); Sonoma Coast State Park, Wrights Beach 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
  POM202854  Castilleja wightii J. T. Howell 1934-3-3 11735 Sonoma Bodega Bay. Comment
  CAS-BOT-BC48509  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital Comment
  CAS-BOT-BC48514  Ceanothus confusus Alice Eastwood 1923-5-9 11749 Sonoma Mt. St. Helena Comment
  JEPS81592  Ceanothus confusus R. Raiche and K. Zadnik 1982-3-27 20251 Sonoma NW of Hood Mountain (Rincon Ridge) Comment
  SBBG122274  Ceanothus confusus D. O. Burge 2008-5-29 1003 b Sonoma Panorama Ranch Trail, 6.1 km NNW of Kenwood, W slope of Mount Hood; Hood Mtn Regional Park 560 Comment
  UC80038  Ceanothus confusus Katharine Brandegee 1889-4 74 Sonoma Mt. St. Helena Comment
  RSA0005479  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  RSA0005481  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UCD111749  Ceanothus cuneatus G. F. Hrusa 1995-4-2 12041 Sonoma along Franz Valley School Road, approximately 1.25 miles NW of Napa/Sonoma county line. 250 Comment
  CAS-BOT-BC49696  Ceanothus cuneatus var. ramulosus D. E. Breedlove 1980-6-27 44774 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC49698  Ceanothus cuneatus var. ramulosus G. DeNevers 1981-4-1 604 Sonoma E side of road at Mark West Creekand Leslie Creek Comment
  CDA11330  Ceanothus divergens G. F. Hrusa 1995-4-2 12040 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  RSA339399  Ceanothus divergens subsp. confusus Roger Raiche 1985-4-6 50178 Sonoma Dry Creek area near Healdsburg, ridge W of Dry Creek Valley, unamed road N of Dorman Canyon on ridge. 244 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
  LA43583  Ceanothus foliosus Henry Reents; 1936-5-23 sn Sonoma ne of Santa Rosa Comment
  CAS-BOT-BC64419  Ceanothus foliosus subsp. vineatus John Thomas Howell 1941-4-5 16173 Sonoma Raven Ridge. Comment
  CAS-BOT-BC49904  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1963-9-1 141 Sonoma Pine Mt. Rd. - N.E. of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC49910  Ceanothus foliosus var. foliosus A. A. Heller; H. E. Brown 1902-5-29 5619 Sonoma Mt. Hood 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
  UCD112131  Ceanothus foliosus var. vineatus Roman Gankin; W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School Road, 1/2 mile east of Vine Hill Road. Comment
  CAS-BOT-BC50017  Ceanothus gloriosus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma 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
  UC604114  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 164 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  CAS-BOT-BC63735  Ceanothus griseus Dorothy Scherer 1996-3-16 002 Sonoma Winderemere Point, Fort Ross State Historic Park. 24 Comment
  CAS-BOT-BC63739  Ceanothus griseus Alisa S. M. McKenzie 1981-1-31 11 Sonoma Kolmer Gulch, calif. State highway 1 at marker 34. Top of bank w. side of creek, n. side of road. Comment
  UCD111985  Ceanothus integerrimus R. H. Neuns 1950-5-17 111 Sonoma 4 miles east of The Geysers (airline). 990 Comment
  CAS-BOT-BC50646  Ceanothus jepsonii J. Clausen 1933-3-26 748 Sonoma Summit of Harrison Grade. Between Graton and Occidental Comment
  CAS-BOT-BC50648  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental 182 Comment
  CAS-BOT-BC51116  Ceanothus jepsonii Walter Knight; Irja Knight 1963-12-27 454 Sonoma Pine Flat Rd. - Circle 8 Ranch Comment
  UCD168054  Ceanothus jepsonii James Neilson 1978-6-9 3964 Sonoma Mayacmas Mountains, Shell Well Site E. Bear Ridge. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  POM172066  Ceanothus jepsonii Lester Rowntree 1930-7-17 s.n. Sonoma Sage Canyon between ST. Helena and Monticello Comment
  SACT002940  Ceanothus jepsonii J. Mensch 1963-4-10 Sonoma 15 miles east of Stewarts Point on road from Geyserville. Comment
  CAS-BOT-BC63517  Ceanothus oliganthus var. sorediatus Wayne Roderick 1961-4-2 s.n. Sonoma NW. of Sea View (half way between Sea View and Fort Ross school). Comment
  CAS-BOT-BC126848  Ceanothus parryi D. E. Breedlove 1980-6-28 44798 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC51870  Ceanothus parryi H. E. McMinn 1922-6-7 165 Sonoma Camp Meeker Comment
  CAS-BOT-BC51879  Ceanothus parryi John Thomas Howell 1941-4-5 16174 Sonoma Rincon Ridge Comment
  CAS-BOT-BC51886  Ceanothus parryi Lewis Allen 1937-5-16 s.n. Sonoma Laguna Santa Rosa area east of Cunningham, nr, Llano Road. Comment
  CAS-BOT-BC51888  Ceanothus parryi H. E. McMinn 1922-6-7 165 Sonoma Camp Meeker Comment
  CAS-BOT-BC51890  Ceanothus parryi A. A. Heller; H. E. Brown 1902-4-22 5337 Sonoma Between Santa Rosa and Agua Caliente Comment
  UC750534  Ceanothus parryi Lewis S. Rose 1947-5-9 47134 Sonoma Occidental 152 Comment
  CAS-BOT-BC51875  Ceanothus parryi G. DeNevers 1982-2-20 1890 A Sonoma In the canyon behind (W of) Phillips Garden Comment
  CAS-BOT-BC53044  Ceanothus sonomensis J. Clausen 1933-3-25 723 Sonoma Along the road from Warfield to Oakville, about 4 miles east of Warfield 213 Comment
  CHSC114356  Ceanothus sonomensis D. G. Kelch; Ed Biffin 2010-5-30 10 .193B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. 71 Comment
  UC1010755  Ceanothus sonomensis Peter H. Raven 1954-2-27 6428 Sonoma Hoods Peak Range, mountain side on N side of Hooker Creek. 609 Comment
  UC1299588  Ceanothus sonomensis Freed W. Hoffman 1947-3-12 754 Sonoma Trinity road, northeast of Kenwood, Napa Range, west slope Comment
  JEPS105487  Centaurea stoebe subsp. micranthos Elaine Mahaffey Sep 2003 Sonoma The Sea Ranch, Highway 1, 100-200 yards N of the Del Mar Community Center, large pull-out on ocean side of highway; extreme NW Sonoma Co. Comment
  JEPS20839  Centaurium trichanthum Harry K. Roberts 1958-7-8 Sonoma 0.3 mi w starting at the junction of the Sebastopol and Occidental rd (toward Sebastopol, on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) 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-BC288815  Centromadia fitchii Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC288817  Centromadia fitchii Helen D. Geis 1902-1-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC288808  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC271541  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC251267  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  UC8239  Cerastium arvense Harley P. Chandler 1900-5-25 714 Sonoma Bodega Bay Comment
  UCD160139  Cerastium glomeratum James A. Neilson Jr. 1974-3-27 3013 Sonoma Mayacmas Mountains. The Geysers. Site A-74. (Elevation and exact location estimated by label maker; in Mayacmas Flora it says this collection number is from Truit Creek.) 365 Comment
  CAS-BOT-BC388433  Cerastium glomeratum D. E. Breedlove 1980-6-27 44746 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC388436  Cerastium glomeratum G. DeNevers 1981-4-16 713 Sonoma Pepperwood Ranch. Garrison Canyon, by shack Comment
  CAS-BOT-BC207634  Cercis occidentalis James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  CAS-BOT-BC68222  Cheilanthes gracillima James Jokerst 1985-5-29 2391 Sonoma Whispering Pines Quad. near Cobb Mountain 1126 Comment
Read comments
Jan 26 2018
  UCD137339  Cheilanthes intertexta Frederica Bowcutt 1994-6-24 1897 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. Vista Trail about 1/2 way from Bald Mountain Trail to Headwaters Trail. 566 Comment
  CAS-BOT-BC166903  Chenopodium Peter Rubtzoff 1973-10-10 7340 Sonoma Tributary of Americano Creek, 2 miles west of Bloomfield. Comment
  RSA788829  Chlorogalum Carrie A. Herd 1982-4-25 80 Sonoma Crane Creek Regional Park, Flattened area above Crane Creek Comment
  OBI35907  Chloropyron maritimum subsp. palustre David J. Keil 1983-6-29 17193 Sonoma Doran Beach Co Park. Bodega Head Comment
  CAS-BOT-BC173825  Chrysanthemum Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC248858  Chrysolepis P. S. Manos 1989-10-7 907 Sonoma North Coast Range, Mount St. Helena. Trail near the top 900 Comment
  UCD110111  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  UCD110103  Chrysolepis chrysophylla var. minor J. M. Tucker 1951-6-26 2143 Sonoma Near Top of the World Ranch, ca. 5 miles due east of Glen Ellen. Comment
  CAS-BOT-BC285252  Cichorium intybus Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5857 Sonoma Llano Road 45 Comment
  UCR244695  Cirsium Peter Rubtzoff 1970-9-3 6368 Sonoma above Shell Beach in Sonoma Coast State Beach area 122 Comment
  CAS-BOT-BC290695  Cirsium Peter Rubtzoff 1962-6-13 4899 Sonoma Freestone Marsh. Comment
  RSA0015628  Cirsium brevistylum Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  UCD130612  Cirsium douglasii var. douglasii Mary M. Hektner; Cathy Hendel 1974-7-2 105 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  UC1299442  Cirsium occidentale var. venustum Freed W. Hoffman 1947-5-30 516 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  RSA666353  Cirsium occidentale var. venustum Barbara Ertter, Lincoln Constance 1993-7-10 12100 Sonoma 5 miles beyond pavement on Rockpile Road west of Lake Sonoma (road to Annapolis) Comment
  UC30823  Cirsium quercetorum W. A. Setchell 1897-6-1 Sonoma Fort Ross Comment
  CAS-BOT-BC285751  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  JEPS79729  Cirsium remotifolium var. odontolepis Edward Lee with W. A. Setchell 1936-6-7 2205 Sonoma MacLaren Trail Bohemian Grove (roadside) Comment
  UC75938  Cirsium remotifolium var. odontolepis Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  SBBG7970  Cirsium scariosum var. citrinum H. and M. Dearing 1939-5-14 3370 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC164355  Citrullus lanatus Peter Rubtzoff 1976-9-25 8904 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCD37353  Clarkia Beecher Crampton 1959-6-16 5394 Sonoma 1 mile NE of Freestone, along Jonive Road. Comment
  UCD104021  Clarkia amoena Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1810 b 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 and about 18 air miles NW of Napa. Along meadow trail appx. 3/4 mile from trailhead. 396 Comment
  SD39468  Clarkia amoena subsp. amoena Edith A. Purer 1932-7-14 Sonoma Between Bodega Bay and Santa Rosa Comment
  RSA128999  Clarkia amoena subsp. amoena Joanne Taylor 1941-7-13 11 Sonoma Canyon about 10 miles from Bodega Head. Comment
  UC1072038  Clarkia amoena subsp. amoena H. and M. Lewis 1947-6-15 436 Sonoma at west road to Doran Peak (Highway 1); Bodega Bay Comment
  CAS-BOT-BC172205  Clarkia concinna A. A. Heller 1902-6-26 5776 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC172207  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  CAS-BOT-BC172214  Clarkia concinna D. E. Breedlove 1962-6-6 2893 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC172218  Clarkia concinna Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  UCD104412  Clarkia concinna Amelie Blyth 1952-5-4 8- 4 Sonoma Along highway between Geyserville and Stewart's Point, about 6 miles from Geyserville. Comment
  POM161720  Clarkia concinna subsp. concinna R. C. Bacigalupi 1928-5-2 1397 Sonoma Cazadero. Comment
  UC765874  Clarkia concinna subsp. concinna R. F. Hoover 1938-6-14 3603 Sonoma Mark West Springs Comment
  JEPS128316  Clarkia gracilis subsp. sonomensis Roger Raiche 2000-5-27 107 .00 Sonoma The Cedars, road into The Cedars at 2nd crossing or Otis Crossing. Lower Russian River, Big Austin Creek watershed. Comment
  UC1778626  Clarkia gracilis subsp. sonomensis G. F. Hrusa 1998-6-14 14592 Sonoma Knights Valley Region; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena 450 Comment
  CAS-BOT-BC163140  Clarkia gracilis subsp. sonomensis G. DeNevers 1981-6-4 1436 Sonoma On the roadcut by the buckeye tree S of the Garrison Gate Comment
  RSA73310  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma Sonoma - Santa Rosa Hwy, 5.5 miles S of Santa Rosa. 32 Comment
  UCD70268  Clarkia gracilis subsp. sonomensis D. Sanchez-Mata 1998-7-12 s.n. Sonoma Alderglen Springs-Cloverdale. 320 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
  UC1018288 Image available Clarkia imbricata H. Lewis and M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville 6230 Vine Hill Road; Santa Rosa to Guerneville, Vine Hill Road, Sonoma Co. Comment
  UC20370  Clarkia purpurea subsp. quadrivulnera F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  UC423081  Clarkia purpurea subsp. quadrivulnera Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UC930727  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1940-5-22 40374 Sonoma Sonoma 30 Comment
  UC930737  Clarkia purpurea subsp. quadrivulnera Alice Eastwood, John Thomas Howell 1939-6-11 7415 Sonoma near Triniti P.O.; Hood Mt. Range Comment
  CAS-BOT-BC164585  Clarkia purpurea subsp. viminea Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  JEPS43725  Clarkia purpurea subsp. viminea E. V. Ferguson 1919-6-11 226 Sonoma near Sebastopol Comment
  CAS-BOT-BC164587  Clarkia purpurea subsp. viminea Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 12 miles west of Hwy 101 Comment
  UCD161396  Clarkia rhomboidea James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge crest between Big Sulphur Creek and Squaw Creek. (Exact location unkown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC165674  Clarkia unguiculata Freed W. Hoffman 1947-6-4 509 Sonoma Upper reaches of East Austin Creek, Rocky Mountain Comment
  SEINET10492158  Clarkia unguiculata Tim Holtsford 1992-5-23 Holtsford 920523 -2 Sonoma Mark west springs rd, 0.1 mi w of ursuline rd, at milepost "ldtr 362+00." W- Facing slope with oaks, rhus, heracleum. Clarkia cocinna is sympatric. 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-BC439321  Claytonia exigua subsp. exigua D. E. Breedlove 1983-4-11 58683 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  JEPS128226  Claytonia exigua subsp. exigua Roger Raiche 2000-3-26 008 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD100597  Claytonia exigua subsp. glauca G. F. Hrusa 1991-4-6 8310 Sonoma app. 1/4 m. N of Ida Clayton Rd. on N shoulder of Mt. St. Helena. 426 Comment
  JEPS128323  Claytonia gypsophiloides Roger Raiche 2000-3-11 004 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  UC1299360  Claytonia gypsophiloides Freed W. Hoffman 1947-3-9 815 Sonoma ne of Camp Meeker; North Coast Ranges Comment
  RSA52691  Claytonia gypsophiloides I. L. Wiggins 1949-4-30 12062 Sonoma 6.8 mi. east of Santa Rosa on road to Calistoga. Comment
  SEINET7075542  Claytonia parviflora A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC92746  Clematis ligusticifolia Volney Rattan 1877-6-24 s.n. Sonoma Healdsburg. Comment
  CAS-BOT-BC92748  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 mile below Guerneville. Along Russian River. Comment
  CAS-BOT-BC92753  Clematis ligusticifolia A. A. Heller 1902-7-8 5809 Sonoma Mark West creek north of Santa Rosa. Comment
  UC1084477  Clematis ligusticifolia G. Thomas Robbins 1937-6-18 246 Sonoma Santa Rosa, Santa Rosa Creek Comment
  RSA12260  Clintonia andrewsiana Carl B. Wolf 1934-6-29 5805 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  SEINET3159375  Collinsia concolor L. S. Rose 1939-5-14 39121 Sonoma 1 mi E of Bodega Bay Comment
  UC1032563  Collinsia heterophylla A. Lewis 1932-5-12 71 Sonoma 1 mi e of Sonoma 152 Comment
  UCD123569  Collinsia heterophylla Frederica Bowcutt 1994-5-21 1830 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco, 11 air miles east of Santa Rosa, 18 air miles northwest of Napa, 1.5 air miles northeast of Kenwood. Along the Hillside Trail, 1/4 mile past Sugar Pine Trail junction. 396 Comment
  CHSC22323  Collinsia sparsiflora Robert A. Schlising 1962-3-31 2112 Sonoma In field. Coast Ranges. Comment
  OBI49261  Collinsia sparsiflora Michener & Bioletti, Bioletti April 1893 s.n. Sonoma Kenwood Comment
  JEPS34523  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-4-7 1893 Sonoma Chalk Hill Rd North Coast Ranges Comment
  UC796637  Collinsia sparsiflora var. arvensis Ira L. Wiggins 1949-4-30 12065 Sonoma four mi w Calistoga (just within county line) Comment
  POM14841  Collinsia sparsiflora var. arvensis A. A. Heller, H. E. Brown 1902-3-21 5117 Sonoma Hills southeast of Santa Rosa Comment
  JEPS117085  Collinsia sparsiflora var. collina Peter Warner 2010-4-15 132 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. extension), approx. 0.8 km N of Jenner village, in ultramafic grassland about 400 m E of road, between power line overhead at cusp of Jenner Gulch. Comment
  UCD35326  Collinsia tinctoria Beecher Crampton 1955-6-8 2824 Sonoma 7 miles northwest of Calistoga, State Hwy. 128. Comment
  UCSB31777  Collinsia tinctoria Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  OBI23312  Convolvulus arvensis Jim Rogers 1972-7-16 6 Sonoma Comment
  SDSU657  Corallorhiza maculata D. F. Howe 1963-7-3 3591 Sonoma Under redwoods, 20 miles north of #12 on #1. Comment
  JEPS20327  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1956-8-20 56152 Sonoma e Santa Rosa; Rincon Ridge 91 Comment
  RSA118968  Cordylanthus pilosus subsp. pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, east of Santa Rosa. 91 Comment
  UCR256118  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1990-7-24 9678 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  CAS-BOT-BC238225  Cordylanthus tenuis subsp. brunneus Greg de Nevers 1996-7-17 10856 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC238227  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, n.e. of Kenwood 731 Comment
  CDA30951  Cordylanthus tenuis subsp. brunneus D. G. Kelch, Troy McGregor 2010-8-22 10 .353 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  RSA114161  Cordylanthus tenuis subsp. brunneus Milo S. Baker 1947-7-15 11866 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  UC1239009  Cordylanthus tenuis subsp. brunneus Freed W. Hoffman 1947-8-4 1421 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  SEINET12330327  Cordylanthus tenuis subsp. brunneus Unknown 1985-1 RR 50567 Sonoma unnamed ridge on W side of Dry Creek Valley, N of Crane Creek & S of Bradford Mt 274 Comment
Read comments
Aug 8 2019
  JEPS20297  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi e Occidental 243 Comment
  JEPS33009  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1947-9-5 1251 Sonoma between Tyrone and Camp Meeker (Dutch Bill Creek) Comment
  JEPS6648  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 mi ne Occidental (along Harrison Grade) Comment
  UCD123140  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-4-6 62078 Sonoma 2 mi. NE of Occidental. 182 Comment
  CDA39435  Cordyline australis Tony Morosco, Adam Holbrook 2004-1-19 s.n. Sonoma Salt Point State Park, Deadman Gulch. From just north of Hwy 1 roadmarker 43 follow south fork of dirt road due east, in partial forest opening approx. 100 feet above stream. 0 Comment
  RSA0057952  Cornus Greg de Nevers 1998-5-25 11266 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCD117132  Cornus glabrata P. B. Kennedy 1927-8-20 s.n. Sonoma Knight's Valley. Comment
  CAS-BOT-BC210433  Cornus sericea Peter Rubtzoff 1951-7-22 534 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC210472  Cornus sericea subsp. occidentalis Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 1 mile north of Freestone Comment
  CAS-BOT-BC290299  Cotula coronopifolia Walter Knight; Irja Knight 1963-8-13 203 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC173589  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4091 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC427918  Crassula connata Catherine Best 1987-3-28 1238 Sonoma Bodega Head Comment
  RSA0073842  Crassula solieri Reid V. Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  SEINET11911418  Crataegus douglasii Unknown 1987-1 203 Sonoma between Occidental and Freestone Comment
  NY435883  Crataegus gaylussacia A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol. Comment
  RSA155431  Crataegus suksdorfii L. S. Rose 1962-6-1 62066 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  UCD116522  Crocanthemum scoparium Frederica Bowcutt 1994-6-25 1917 Sonoma 609 Comment
  UC750804  Crocanthemum scoparium var. scoparium Charles B. Heiser Jr. 1946-5-19 1744 Sonoma w Santa Rosa; Vine Hill Comment
  HSC90783  Croton setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma ca. 5 mi. due S of Cloverdale, point below Little Flat Parking area W of bridge 152 Comment
  CDA4459  Crupina vulgaris L. Sonder 1990-1-25 Sonoma Annadel State Park, Santa Rosa. 0 Comment
  UCR255060  Crypsis schoenoides Greg de Nevers 1989-12-3 9119 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 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
  CAS-BOT-BC80748  Cupressus macnabiana Walter Knight; Irja Knight 1964-1-18 523 Sonoma Head of Hooker Canyon, Cavedale Rd. Comment
  SEINET10531470  Cupressus macnabiana Carl B. Wolf, E. R. Johnson 1934-10-18 Wolf 2154 Sonoma Head of Hooker Canyon, 4 7/10 mi E of Sonoma-Kenwood Road. Upper sonoran:- Chaparral. Sun. Open ridge in porous gray volcanic rock. 550 Comment
  RSA17610  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-13 6183 Sonoma 2.8 miles from Camp Meeker on road to Monte Rio 61 Comment
  UCR128480  Cupressus sargentii L. S. Rose 1955-7-11 55113 Sonoma 2 miles east of Occidental 244 Comment
  SEINET10834045  Cupressus sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Wolf 2141 Sonoma Coys Ranch about 2 miles from Occidental. Life zone: Transition:- Sun. Serpentine. 90 Comment
  UC727760  Cuscuta pentagona Milo S. Baker 1946-8-17 11559 Sonoma The Laguna, at the crossing of the Occidental Rd The Laguna Comment
  CAS-BOT-BC190301  Cynodon dactylon Peter Rubtzoff 1955-7-24 1983 Sonoma Forestville Marsh. Comment
  POM369230  Cynoglossum grande Christopher Davidson 1977-6-20 6032 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  CDA33571  Cynosurus cristatus Stephanie Larson/Deborah Curle 2010-6-14 PDR# 1465982 Sonoma 0 Comment
  CAS-BOT-BC190431  Cynosurus echinatus G. DeNevers 1982-4-18 1951 Sonoma Pepperwood Ranch. Along the road to Hansel's Lake. Comment
  UC552760  Cynosurus echinatus Joseph P. Tracy 1935-7-7 14048 Sonoma near the Geysers; near the Geysers 609 Comment
  UCD160966  Cynosurus echinatus James A. Neilson Jr. 1975-7-8 3416 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD60152  Cynosurus echinatus Frederica Bowcutt 1984-6-23 445 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/3 mile north of Gerstle Cove. 15 Comment
  UCD60159  Cynosurus echinatus Gerry North 1993-4 21 Sonoma Flora of 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. Second pullout on right after park entrance. 0.3 mile from Goodspeed trailhead. 50m south of Pony Gate Gulch Creek crossing. 274 Comment
  CAS-BOT-BC114713  Cyperus difformis Peter Rubtzoff 1956-9-16 2919 Sonoma Vacation Beach near Guerneville. Open muddy margin of a pool on Russian River bottom. Comment
  CAS-BOT-BC114516  Cyperus eragrostis Walter Knight; Irja Knight 1963-12-27 817 Sonoma Pine Flat Road Comment
  SD99411  Cyperus eragrostis Christopher Davidson 1977-6-17 5876 Sonoma State Highway 12; ca. 3 miles west of Guerneville; sand bar in Russian River; riparian zone along Russian River bordered by coast redwood forest. 14 Comment
  UCD141039  Cyperus eragrostis Mary M. Hektner 1974-9-12 184 Sonoma along Sea Gate Road, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD54068  Cyperus eragrostis M. Wiesendanger 1927-5-5 1755 Sonoma Sonoma. Comment
  CAS-BOT-BC114435  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa NE of Graton. 1.5 mi N of Guerneville Road. Comment
  UC688870  Cyperus niger Freed Hoffman 1943-10-26 Sonoma overflow pool of Russian R. Guerneville Comment
  CAS-BOT-BC113901  Cyperus niger var. capitatus Harvey Keith Wagnon 1988-7-23 1782 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Dr. Santa Rosa Creek Flood Channel. 73 Comment
  CAS-BOT-BC114040  Cyperus squarrosus Peter Rubtzoff 1987-10-17 9871 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  UCD60196  Dactylis glomerata Mary M. Hektner; Sue Dakuzaku 1974-6-4 21 Sonoma Near State Hwy 1, Unit 24 Owners' Map, Sea Ranch; surrounding Kirkwood house. Comment
  UC1100154  Damasonium californicum Herbert L. Mason 1928-4-13 4325 Sonoma near Petaluma Petaluma Comment
  CAS-BOT-BC445556  Damasonium californicum Peter Rubtzoff 1958-7-26 3808 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC210056  Danthonia californica Peter Rubtzoff 1959-5-30 4072 Sonoma Freestone Marsh. Comment
  UCD60480  Danthonia californica B. Crampton 1955-6-17 2960 Sonoma 4.5 miles east of Fort Ross. Comment
  UCD60460  Danthonia californica David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mile W of the junction of Arnold Dr. Comment
  UCD60472  Danthonia californica R. Tofsrud 1947-6-16 s.n. Sonoma 1 mi. W of Two Rock School. Comment
  SEINET4566587  Danthonia californica var. americana B. Crampton 1963-5-27 6811 Sonoma Alexander Valley; State Highway 128, about 8 miles southeast of Geyserville 152 Comment
  CAS-BOT-BC154984  Datura Peter Rubtzoff 1969-8-26 6159 Sonoma River Road, ca. 3 mi. west of Fulton. Comment
  UCR37765  Daucus carota A. C. Sanders 1985-1-19 5374 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCD127395  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  POM133425  Daucus pusillus A. A. Heller, H. E. Brown 1902-5-27 5610 Sonoma Bodega Bay Comment
  RSA0009663  Daucus pusillus Marcus E. Jones 1931-7-5 29093 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC293815  Deinandra corymbosa Milo S. Baker 1930-6-1 4168 a Sonoma Fappiano's Ranch just north of his Subdivision on Russian River. Near Healdsburg Comment
  RSA800286  Deinandra corymbosa Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC9575  Delphinium bakeri Milo S. Baker 1929-5-3 3429 Sonoma Coleman Valley Comment
  UC118571  Delphinium decorum subsp. decorum Alice Eastwood April 1899 Sonoma type locality Bodega Point Comment
  UC72779  Delphinium decorum subsp. tracyi Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  JEPS6240  Delphinium hesperium M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 220 Sonoma between Guerneville and Monte Rio; Russian River Comment
  UCR25999  Delphinium hesperium J. Townsend 1977-5-30 s.n. Sonoma E side of Russian River about 2 mi. south of Gurneyville. 18 Comment
  RSA796265  Delphinium hesperium J. Townsend 1977-5-30 s.n. Sonoma East side Russian River about 2 miles south of Gurneyville. 335 Comment
  SEINET4445145  Delphinium luteum A. A. Heller, H. E. Brown 1902-1 Sonoma Comment
  JEPS128285  Delphinium nudicaule Roger Raiche 2005-4-9 007 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1542887  Delphinium nudicaule H. E. and S. T. Parks 1930-5-10 839 Sonoma Knights Valley 152 Comment
  SD88562  Delphinium nudicaule Darley F. Howe 1972-5-3 Sonoma 4 miles north of Ft. Ross Comment
  UCD95876  Delphinium nudicaule Botany 102 Students 1993-4-24 94 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail, S of Sonoma Creek. 411 Comment
  UC486513  Delphinium patens subsp. patens H. E. and S. T. Parks 1930-5-10 843 Sonoma along small stream Knights Valley Comment
  CAS-BOT-BC121723  Delphinium patens subsp. patens Volney Rattan 1880-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC17105  Delphinium uliginosum Maxine Wilkes 1933-5-21 s.n. Sonoma Near Mt. St. Helena Comment
  RSA59856  Delphinium variegatum J. Ewan 1935-5-12 9241 Sonoma Los Guilicos, 2 miles N of Kenwood Comment
  RSA177978  Dendromecon rigida Robert F. Thorne 1965-4-19 34305 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  UCD95184  Dendromecon rigida K. Esau; E. Hyde 1938-5-25 s.n. Sonoma Mt. St. Helena. Comment
  UCD95142  Dendromecon rigida Collector unknown Date unknown s.n. Sonoma S.W. Comment
  UCD23367  Dentaria californica Wesley Ebert 1977-4-9 15 Sonoma White blossoms. In rich moist humus. Heavily shaded by Umbellularia californica and Quercus agrifolia. On east facing slope. 6000 Soldiers Lane, Penngrove. On west side of Sonoma Mtn. Comment
  CAS-BOT-BC227655  Deschampsia cespitosa Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD164696  Deschampsia cespitosa Peter Rubtzoff 1976-6-5 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD61380  Deschampsia cespitosa Beecher Crampton 1957-7-22 4383 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD61230  Deschampsia cespitosa R. Tofsrud 1948-6-1 Sonoma By Mark West School. Comment
  UC767083  Deschampsia cespitosa subsp. beringensis R. F. Hoover 1941-5-14 5072 Sonoma 1 mi. n. Valley Ford Comment
  RSA63696  Deschampsia cespitosa subsp. cespitosa Milo S. Baker 1950-5-20 12221 Sonoma Hope Valley on wood road opposite the old Chamberlain Ranch House near Kenwood Comment
  UCD63778  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4334 Sonoma 1.3 miles north of Salmon Creek. Comment
  UCD63803  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-6-26 Sonoma Bank above Shell Beach, 1/4 mile south of Goat Rock. Comment
  UCD62546  Deschampsia danthonioides Beecher Crampton 1966-5-10 7725 Sonoma 6.5 miles north of Sonoma State Hwy. 12. Comment
  CDA34803  Deschampsia danthonioides Peter Warner 2010-5-6 147 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
  JEPS117076  Deschampsia danthonioides Peter Warner 2010-5-6 147 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
  CAS-BOT-BC201950  Deschampsia elongata Greg de Nevers 1992-6-16 10174 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  CAS-BOT-BC201961  Deschampsia elongata Lewis S. Rose 1962-6-1 62064 Sonoma 1 mi. NW of Freestone 76 Comment
  CAS-BOT-BC201973  Deschampsia elongata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 15 miles west of Hwy. 101 Comment
  POM207093  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC383034  Deschampsia elongata Greg de Nevers 1998-6-15 11288 Sonoma CYO Camp on Bohemian Highway. Comment
  UC72730  Dicentra chrysantha Milo S. Baker 1898-6-11 669 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC209249  Dichanthelium acuminatum subsp. acuminatum R. Spellenberg 1964-6-15 402 Sonoma The Geysers, 17 mi. E. of Geyserville Comment
  CAS-BOT-BC254479  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1945-7-18 21322 Sonoma Pitkin Marsh Comment
  RSA94467  Dichanthelium acuminatum var. fasciculatum Peter Rubtzoff 1951-6-9 174 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  CAS-BOT-BC502208  Dichelostemma capitatum L. R. Abrams 1918-4-27 6907 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC502215  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-14 5065 Sonoma near Windsor Comment
  CAS-BOT-BC502217  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-17 5087 Sonoma Hills 8 miiles northeast of Santa Rosa Comment
  CAS-BOT-BC502220  Dichelostemma capitatum John Thomas Howell 1931-4-18 6428 Sonoma 8 miles n. of Bay Comment
  SEINET12049794  Dichelostemma capitatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -176 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 Comment
  SEINET12050380  Dichelostemma capitatum F. H. Utech 1988-1 88 -195 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh & adjoining meadows 10 Comment
  POM169356  Dichelostemma capitatum subsp. capitatum A. A. Heller, H. E. Brown 1902-3-14 5065 Sonoma Near Windsor Comment
  POM169358  Dichelostemma capitatum subsp. capitatum A. A. Heller, H. E. Brown 1902-3-17 5087 Sonoma Hills 8 miles northeast of Santa Rosa Comment
  CAS-BOT-BC176147  Digitaria Peter Rubtzoff 1971-8-23 6643 Sonoma Stony Point Road, just S of Hwy. 116. Comment
  CAS-BOT-BC183611  Digitaria Peter Rubtzoff 1971-8-23 6645 Sonoma Stony Point Road, just S of Hwy. 116. Comment
  CAS-BOT-BC210146  Digitaria Peter Rubtzoff 1965-8-16 5597 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  CAS-BOT-BC209111  Digitaria sanguinalis Catherine Best 1987-7-2 1299 Sonoma Along Todd Road about 1 mile from Llano Road Comment
  CAS-BOT-BC152035  Diplacus aurantiacus D. E. Breedlove 1980-6-27 44754 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC152037  Diplacus aurantiacus Ella Dales Cantelow 1938-5-7 2411 Sonoma 4 mi. n.w. of Bodega Comment
  CAS-BOT-BC152041  Diplacus aurantiacus Alice S. M. McKenzie 1981-2-23 17 Sonoma Fort Ross Road about _mi. above Calif. State Hwy. 1 near wide place at San Andreas fault - Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC152042  Diplacus aurantiacus Francis W. Pennell 1940-7-2 26033 Sonoma Mountain northeast of Kenwood Springs 274 Comment
  CAS-BOT-BC151753  Diplacus kelloggii Greg de Nevers 1993-5-17 10455 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC164357  Dipsacus Peter Rubtzoff 1971-9-1 6677 Sonoma Spring Creek Reservoir area. Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  RSA123582  Disporum hookeri var. hookeri Leo Koch 1938-3-24 62 Sonoma Canyon bank off Rutherford road 2 miles E of Glenn Ellen. Comment
  UCD64557  Distichlis spicata Beecher Crampton 1957-7-11 4315 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  UCR244623  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh 0 Comment
  UCD64361  Distichlis spicata Collector Unknown 1941-9-1 153 Sonoma Near mouth of Walker Cr. by Tomales Bay. Comment
  UCD64448  Distichlis spicata Collector Unknown Fall 1941 147 Sonoma Few miles above Tolay Creek bridge, off Black Point Road. Comment
  CHSC97901  Dittrichia graveolens S. Ostrom 2006-9-1 PDR 1328648 Sonoma Windsor; Shiloh Rd. and Business Park Ct. Roadside. 35 Comment
  UCD78109  Dittrichia graveolens Robert E. Preston 1999-11-9 1252 Sonoma Windsor, on NW corner of jct Old Redwood Hwy and Arata Lane. T8N R9W N edge of Sec 11 39 Comment
  SD130505  Dodecatheon hendersonii F. Alamda, G. DeNevers 1981-3-30 4895 Sonoma Pepperwood Ranch, streambank in vicinity of the Redwood Canyon Comment
  SD88563  Dodecatheon hendersonii Darley F. Howe 1972-2-20 4804 Sonoma Mt. Hood Range Comment
  SJSU8499  Dodecatheon hendersonii T. A. Wayne III 1962-4-7 Sonoma midway between Bodega Bay & Salmon Cr 91 Comment
  CDA13124  Downingia concolor G. F. Hrusa, R. Gross 1996-6-3 13059 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
  SEINET12330778  Downingia concolor W. Kinght, Knight, I. 1986-1 5446 Sonoma East side of McDowell Boulevard, Petaluma, between Sunrise Drive and Corona Road Comment
  JEPS14427  Downingia concolor var. concolor E. Ferguson 1920-4 358 Sonoma Windsor Comment
  UC1244025  Downingia concolor var. concolor John H. Weiler 1960-4-22 60101 Sonoma 3.0 mi n Agua Caliente (or 1.7 mi n of the turn to the Sonoma State Home, on the w side of State Highway 12) Comment
  UCD84092  Downingia concolor var. concolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. Vernal Pool. 37 Comment
  UCD164686  Downingia cuspidata Peter Rubtzoff; Tim Tunison, Nancy Harrison 1976-6-5 8581 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC28974  Downingia pusilla Michener and Bioletti May 1892 Sonoma Shellville; ; Shellville, Sonoma Co. Comment
  JEPS14377  Downingia pusilla Milo S. Baker 1934-4-10 7774 Sonoma 2 mi s Warfield R.R. sta. (n side of highway) Comment
  JEPS26987  Downingia pusilla Milo S. Baker 1934-4-10 7774 Sonoma 2 mi s Warfield R.R. sta. (n side of highway) 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
  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
  CAS-BOT-BC71014  Dryopteris arguta Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC71023  Dryopteris arguta G. DeNevers 1981-4-25 853 Sonoma Mark West Creek and Leslie Creek confluence Comment
  CAS-BOT-BC411376  Dudleya caespitosa Carl B. Wolf 1927-9-2 1356 Sonoma 8 miles N of Fort Ross Comment
  CAS-BOT-BC428376  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mills Comment
  CAS-BOT-BC428382  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  UC830945  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  UCD167958  Dysphania James Neilson 1981-7-16 4050 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC210143  Echinochloa Peter Rubtzoff 1978-9-10 9264 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  RSA785443  Echinochloa Peter Rubtzoff 1973-9-4 7296 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  UCD164211  Echinochloa Peter Rubtzoff 1978-9-10 9264 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  UCD167956  Echinochloa James Neilson 1981-7-16 4048 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA118966  Echinochloa crus-galli L. S. Rose 1956-8-20 56148 Sonoma San Antonio Creek, Highway 101 3 Comment
  UC1011034  Echinochloa crus-pavonis Virginia Bufford 1935-10-13 84 Sonoma Bellevue Rd at Redwood Highway Comment
  UCD164979  Eleocharis Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7801 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC113730  Eleocharis acicularis Peter Rubtzoff 1951-6-16 s.n. Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  SEINET7062820  Eleocharis acicularis A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  CAS-BOT-BC113726  Eleocharis acicularis Catherine Best 1983-10-10 900 Sonoma Where water had receded at the Lake on Stoltz Lane ca. 2 mi NE of Occidental. Comment
  CAS-BOT-BC112983  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112204  Eleocharis radicans Peter Rubtzoff 1958-8-30 3940 Sonoma Vacation Beach, near Guerneville. Open, wet sand along the water line of the Russian River. Comment
  CAS-BOT-BC112208  Eleocharis radicans Milo S. Baker 1939-6-1 9486 Sonoma Brookside Garden Comment
  CAS-BOT-BC112271  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC112272  Eleocharis rostellata Peter Rubtzoff 1951-7-14 429 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC451543  Elodea canadensis Peter Rubtzoff 1987-9-27 9860 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  UCD160900  Elymus glaucus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3583 Sonoma Section 10, 1 1/2 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UCD61893  Elymus glaucus David L. Morgan 1956-5-13 Sonoma 2 miles W of Petaluma on 'I'st. Ext. Comment
  UCD61908  Elymus glaucus R. Tofsrud 1947-8-1 256 Sonoma Cloverdale. Comment
  UCD62300  Elymus glaucus R. Tofsrud 1942-8-1 50 Sonoma Sonoma Co. Comment
  CAS-BOT-BC203707  Elymus glaucus subsp. glaucus Alice Eastwood 1915-6-29 4873 Sonoma Bodega Point Comment
  UC70815  Elymus multisetus Dr. Ed. Palmer 1892-1 2422 Sonoma Petaluma Comment
  UCD62509  Elymus multisetus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3577 Sonoma Corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  CAS-BOT-BC235229  Elymus multisetus K. Wagnon 1939-5-20 207 Sonoma Glade west of Wagnon rock quarry, 5 miles west of Sebastopol Comment
  UCD62508  Elymus multisetus David L. Morgan 1956-5-15 Sonoma 3 mi. W. of Petaluma on 'I' st. Ext. Comment
  CAS-BOT-BC165906  Epilobium Peter Rubtzoff 1986-9-28 9746 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC290618  Epilobium Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC483680  Epilobium brachycarpum Milo S. Baker 1931-9-13 5565 Sonoma near Kenwood; Clifton Hawkins Ranch Comment
  RSA3446  Epilobium canum subsp. latifolium F. G. Krauss 1893-11-2 s.n. Sonoma Krauss Ranch Comment
  UC353823  Epilobium ciliatum subsp. ciliatum Milo S. Baker 1928-6-28 3199 C Sonoma Pitkin Marsh Vine Hill Region Comment
  UC455442  Epilobium ciliatum subsp. ciliatum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC728614  Epilobium ciliatum subsp. ciliatum Milo S. Baker 1945-8-14 11140 Sonoma on Gravenstein Hwy about 2 mi n Sebastopol (in marsh); Twin-Pine Ranch Comment
  CAS-BOT-BC300482  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh. Comment
  UC424852  Epilobium ciliatum subsp. watsonii Milo S. Baker 1929-4-17 3513 Sonoma Bodega Rd near Bay 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
  JEPS38199  Epilobium densiflorum W. L. Jepson 1921-9-8 9431 Sonoma ne Healdsburg (s side of valley); Alexander Valley, Lytton School Comment
  UCD166300  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  RSA458715  Epilobium minutum Christopher Davidson 1977-6-20 6040 Sonoma Ca 30 miles W of Geyserville on Stewart s Point-Skaggs Springs Rd. Or 5 miles E of jct of latter with road N to Annapolis. Gravel bar and gravel bank just above it on Wheatfield Fork of Gualala River. 76 Comment
  UC4499  Epipactis gigantea W. A. Setchell 1897-6-10 Sonoma Cazadero Comment
  CAS-BOT-BC173543  Equisetum Peter Rubtzoff 1970-8-25 s.n. Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC57047  Equisetum arvense Peter Rubtzoff 1958-4-26 3601 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC57210  Equisetum hyemale subsp. affine John Thomas Howell 1931-9-26 8088 Sonoma Creek bottom at Northwood near Monte Rio on the Russian River Comment
  SD64379  Equisetum hyemale subsp. affine Darley F. Howe 1966-6-2 Sonoma west side of Bodega Bay, on peninsula Comment
  RSA784476  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC57644  Equisetum telmateia John H. Thomas 1976-6-16 18293 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC57654  Equisetum telmateia J. W. Congdon 1880-4-13 s.n. Sonoma Santa Rosa Road Comment
  HSC24598  Equisetum telmateia subsp. braunii F. Demostene 1966-4-12 46 Sonoma 25 mi. W of Healdsburg. Comment
  RSA511283  Equisetum telmateia var. braunii F. Sibal 1965-5-29 338 Sonoma Hwy 1 between Anchor Bay and Gualala. 152 Comment
  UCR248710  Eragrostis Peter Rubtzoff 1965-8-16 5601 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC284194  Eragrostis pectinacea var. pectinacea John Thomas Howell 1957-9-26 32980 Sonoma Russian River bottom near Guerneville Comment
  CAS-BOT-BC291171  Erechtites glomeratus Mary P. Wells 1985-5-26 495 Sonoma One-Eyed Jack's Playground. A meadow area at The Sea Ranch Comment
  CAS-BOT-BC131609  Ericameria arborescens Walter Knight; Irja Knight 1963-9-1 133 Sonoma Harold Smith Ranch on Pine Mt. Rd NE of Cloverdale Comment
  CAS-BOT-BC131610  Ericameria arborescens Walter Knight; Irja Knight 1963-8-23 194 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC293626  Erigeron biolettii H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  CAS-BOT-BC293630  Erigeron biolettii Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  UC31491  Erigeron biolettii J. Burtt Davy 1896-7-22 4147 Sonoma below Guerneville (on rocks); Russian River Comment
  RSA696823  Erigeron glaucus J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay region Comment
  CAS-BOT-BC214553  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC224149  Eriodictyon californicum Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 mi north of Occidental Comment
  CAS-BOT-BC224154  Eriodictyon californicum Walter Knight; Irja Knight 1963-10-27 439 Sonoma Spring Mt Road Comment
  CAS-BOT-BC224158  Eriodictyon californicum F. H. Utech; Walter Knight; Irja Knight 1984-4-16 84 -075 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale from junction with CA hwy 12; ca 0.4 mi N on Cavedale Road from junction 106 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
  JEPS82262  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  JEPS82525  Eriogonum compositum var. compositum Roger Raiche 1984-4-1 40081 Sonoma sw Cloverdale (e of Lake Sononma (Dry Crk.)); Prichett Peaks, Dry Crk. 518 Comment
  CAS-BOT-BC250013  Eriogonum fasciculatum var. foliolosum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road near the Warm Springs Dam Overlook Comment
  POM105430  Eriogonum latifolium Marcus E. Jones 1882-7-17 5 M-11-26 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC261680  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC261691  Eriogonum nudum var. nudum Greg de Nevers 1990-7-24 9680 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UCD100592  Eriogonum nudum var. nudum Frederica Bowcutt 1994-6-25 1907 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. About 1/4 N of Vista Trailhead along Gray Pine Trail, large road cut adjacent to Gray Pine Trail immediately E of Sonoma Creek. 414 Comment
  UCSB22550  Eriophyllum lanatum Jensen, Karen 1965-4-15 Sonoma Along Highway 1, about 1 km. south of Bodega 13 Comment
  CAS-BOT-BC301155  Eriophyllum lanatum var. achilleoides Alice Eastwood 1915-6-5 4561 Sonoma Petrified Forest Comment
  UC494110  Eriophyllum lanatum var. achilleoides H. E. and S. T. Parks 1930-5-10 837 Sonoma Knights Valley Comment
  CAS-BOT-BC301278  Eriophyllum lanatum var. arachnoideum A. A. Heller; H. E. Brown 1902-4-11 5262 Sonoma Bodega Bay Comment
  CAS-BOT-BC301291  Eriophyllum lanatum var. arachnoideum Alice Eastwood 1915-6-29 4860 Sonoma Bodega Point Comment
  CAS-BOT-BC301292  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1930-6-8 5292 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC301300  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  UC1118237  Eriophyllum lanatum var. arachnoideum H. S. Yates 1934-4-21 3810 Sonoma near Bodega Port; Duncan Mills Quadrangle 7 Comment
  UCD131633  Eriophyllum staechadifolium Frederica Bowcutt 1984-6-23 432 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/2 mile. 15 Comment
  UCD103021  Erodium botrys Frederica Bowcutt; Kate Mawdsley 1996-3-24 2071 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 south of Red Mountian, just south of Sonoma Creek. 365 Comment
  UC1365626  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1963-7-27 5210 Sonoma n. Cunningham (near Todd Rd., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC1365628  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1958-4-26 Sonoma e. Sebastopol (Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  CDA38334  Eryngium aristulatum var. aristulatum Bremner 1929-9-2 s.n. Sonoma [no additional data] 0 Comment
  JEPS84390  Eryngium armatum Roger Raiche 1989-6-4 90154 Sonoma n. Healdsburg (between Simi (site of winery) and the dump) 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
  SD255810  Eschscholzia californica Ann Howald 2015-4-1 3336 Sonoma North Coast Ranges: Stewarts Point-Skaggs Road, 18.3 miles west of intersection with Rockpile Rd, Wolf Creek drainage (Tombs Creek 7.5'Q) 131 Comment
  UC635613  Eschscholzia californica H. L. Mason 1930-6-1 5654 Sonoma Gualala River; mouth Comment
  UCR44930  Eschscholzia californica L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  CAS-BOT-BC403709  Eschscholzia californica G. DeNevers 1981-4-23 789 Sonoma Pepperwood Ranch. Pippindale farm. Pippindale Garden Comment
  UCD95275  Eschscholzia californica Valerie Bullock 1993-5-8 245 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail at base of grassy hill. 365 Comment
  OBI69877  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 53 Sonoma corner of Stony Rd and Pepper Rd, Petaluma, side of rd in a field Comment
  CAS-BOT-BC202769  Euonymus occidentalis Milo S. Baker 1929-1-2 3382 a Sonoma Mill Creek near Cooper's Ranch Comment
  CAS-BOT-BC540836  Euphorbia Peter Rubtzoff 1970-9-2 6359 Sonoma Mirabel Park; Russian River bottom Comment
  UCR255738  Euphorbia oblongata Greg de Nevers 1993-4-27 10405 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  UC126706  Eurybia radulina Geo. R. Hall 1906-10-14 Sonoma Guerneville Comment
  UC469051  Eurybia radulina Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio 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
  CAS-BOT-BC278280  Festuca californica Greg de Nevers 1988-6-4 8690 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  SD56833  Festuca californica D. F. Howe 1963-5-23 3528 Sonoma 3.8 miles north of Cloverdale on #128 334 Comment
  UC60789  Festuca idahoensis F. T. Bioletti 1897-6-8 Sonoma South Los G<sic> Valley Comment
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Oct 18 2008
  RSA123499  Festuca occidentalis H. S. Yates 1936-5-16 5610 Sonoma 1 mile NW of Mountain View School. 91 Comment
  SD39853  Festuca perennis Edith A. Purer 1932-7-24 4084 Sonoma Near Bodega Bay Comment
  UCD66268  Festuca roemeri P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UCD66269  Festuca roemeri P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  HSC83427  Festuca rubra Mary M. Hektner 1974-7-20 156 Sonoma Sea Ranch, near Hwy. 1 Comment
  RSA94608  Festuca rubra Peter Rubtzoff 1951-7-7 353 Sonoma Pitkin Marsh, near Forestville; Western branch of the upper marsh. Comment
  UCD66492  Festuca subuliflora P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart's Point to Annapolis. Comment
  RSA0045169  Filago pyramidata Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 91 Comment
  UCD84823  Fragaria vesca Nellie Coffey 1931-4-12 s.n. Sonoma Mount St. Helena. Comment
  CAS-BOT-BC53269  Frangula californica subsp. californica Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC223363  Fraxinus John H. Thomas 1955-5-22 5183 Sonoma Along St. Helena Road and West Creek, 1.2 miles west of Sonoma-Napa County line, about 6 miles from St. Helena 457 Comment
  HSC16191  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek, NE of Santa Rosa 122 Comment
  UC34903  Fraxinus latifolia W. A. Setchell 1897-6-16 Sonoma Cazadero Comment
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Dec 31 2015
  CAS-BOT-BC130181  Fritillaria affinis A. A. Heller; H. E. Brown 1902-3-25 5148 Sonoma Near Mark West Springs Comment
  JEPS61916  Fritillaria liliacea Vina Krager 1924-3-1 Sonoma Bodega Comment
  UC429300  Fritillaria liliacea Milo S. Baker 1897-4 Sonoma near Santa Rosa (on Bennett Peak); Bennett Peak Comment
  UC72491  Fritillaria liliacea Milo S. Baker 1898-4 Sonoma near Santa Rosa Comment
  CHSC40038  Fritillaria recurva Michener; Bioletti 1893-4-1 Sonoma Hood Peak. Comment
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Jan 1 2012
  UCR222567  Galium aparine George K. Helmkamp, E. A. Helmkamp 2010-6-4 16236 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 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
  UC28195  Galium bolanderi F. T. Bioletti June 1893 Sonoma top Hood's Peak Comment
  CDA31316  Galium californicum D. G. Kelch, Ed Biffin 2010-5-3 10 .198 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. 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
  UCD121756  Galium divaricatum F. Bowcutt 1994-5-21 1812 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 411 Comment
  POM367848  Galium parisiense Christopher Davidson 1977-6-20 6039 Sonoma Ca 30 miles W of Geyserville on Stewart's Point-Skaggs Springs Rd. Or 5 miles E of jct of latter with road N to Annapolis. Gravel bar and gravel bank just above it on Wheatfield Fork of Gualala River. 76 Comment
  UC421566  Galium porrigens var. porrigens John Thomas Howell 1929-6-9 4297 Sonoma 2 mi n Sonoma Comment
  UC28231  Galium tricornutum F. T. Bioletti June 1893 Sonoma Kenwood Comment
  RSA264732  Galium trifidum Peter Rubtzoff 1962-7-14 4987 Sonoma Laguna. Chileno Valley. Comment
  UCD166078  Gamochaeta purpurea Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UC1122675  Garrya flavescens J. B. Spring 1932-7-7 98 Sonoma 2/5 mi sw Veeder Mountain; Napa Quad. 609 Comment
  CAS-BOT-BC278684  Gastridium phleoides G. DeNevers 1981-5-26 1329 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC278688  Gastridium phleoides Peter Rubtzoff 1963-6-18 s.n. Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC278693  Gastridium phleoides Peter Rubtzoff 1961-8-22 4692 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC58942  Gaultheria shallon Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  UCD159449  Gazania linearis D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 206 Sonoma Bodega Bay. Near Hitchcock movie house. 53 Comment
  UCD103404  Geranium molle Frederica Bowcutt 1994-5-21 1825 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. Along meadow trail approx. 3/4 mile from trailhead. 396 Comment
  UCR222354  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp, E. A. Helmkamp 2010-6-4 16230 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  SEINET7067224  Gilia capitata A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road. Coordinate datum: NAD27. Comment
  SEINET7067347  Gilia capitata A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  POM253004  Gilia capitata A. A. Heller 1937-5-9 15336 Sonoma Roadside bank in clay soil between Hopland and Mountain House. Comment
  UC52683  Gilia capitata subsp. capitata Milo S. Baker 1898-6-1 593 Sonoma Santa Rosa Cemetary Comment
  CAS-BOT-BC225280  Gilia capitata subsp. chamissonis John Thomas Howell 1930-6-8 5272 Sonoma North end of Bodega Bay Comment
  SD60184  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Sand dunes, upper Bodega Bay. Comment
  JEPS117108  Gilia capitata subsp. tomentosa Peter Warner 2010-6-2 160 Sonoma Jenner Headlands, NW part of Upper Russian Gulch Field, ~ 100[m?] downslope fr. power lines Comment
  UC72068  Gilia tricolor subsp. tricolor Miss M. Alice King May 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UC30185  Gilia tricolor subsp. tricolor H. N. Bolander 1864-1 3807 Sonoma Valley of Santa Rosa Creek Comment
  CAS-BOT-BC266479  Githopsis diffusa Alice Eastwood 1915-6-6 4680 Sonoma Mount St Helena Comment
  UC764573  Githopsis specularioides R. F. Hoover 1939-4-18 4035 Sonoma Occidental Comment
  CDA2720  Gladiolus italicus William J. Ferlatte 1974-5-1 Sonoma Northwest corner of East Washington and Adobe Road, Petaluma. 0 Comment
  CAS-BOT-BC227640  Glyceria Peter Rubtzoff 1966-4-30 5687 Sonoma North side of Hwy. 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  SEINET10849959  Glyceria P. Rubtzoff, Arnaud, P. 1966-5-7 Rubtzoff 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  UCR282048  Glyceria declinata Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa 24 Comment
  CAS-BOT-BC282731  Glyceria elata Peter Rubtzoff 1962-5-25 4842 Sonoma Laguna de Santa Rosa area northeast of Graton east of Laguna Road Comment
  JEPS78861  Glyceria elata Edward Lee 1936-6-8 2222 Sonoma near Bohemian Grove entrance Comment
  UCD165254  Glyceria elata Peter Rubtzoff; Nancy Harrison 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  RSA227240  Glyceria leptostachya Peter Rubtzoff 1962-5-30 4850 Sonoma Freestone Marsh. Comment
  UCD37100  Glyceria leptostachya Beecher Crampton 1955-6-17 2937 Sonoma 0.5 mile south of Guerneville. Comment
  UCR282046  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh 269 Comment
  UCD105811  Glycyrrhiza lepidota Freed W. Hoffman 1946-8-16 785 Sonoma Near Guerneville. Gravel bar, Russian River. Comment
  CAS-BOT-BC173577  Gnaphalium Peter Rubtzoff 1969-11-2 6207 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166678  Gnaphalium chilense Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC166703  Gnaphalium chilense Peter Rubtzoff 1962-9-9 5081 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC176150  Gnaphalium chilense Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC166784  Gnaphalium palustre Peter Rubtzoff 1958-7-19 3766 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC176132  Gnaphalium palustre Peter Rubtzoff 1955-8-27 2098 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC302695  Gnaphalium palustre Peter Rubtzoff 1958-7-5 3736 Sonoma Atascadero Creek Marsh. Comment
  UCR279610  Gnaphalium palustre Peter Rubtzoff 1959-6-20 4164 Sonoma Willow Creek Marsh 9 Comment
  UCR279629  Gnaphalium palustre Peter Rubtzoff 1962-10-23 5126 Sonoma Atascadero Creek Marsh 29 Comment
  CDA6061  Gnaphalium stramineum M. S. Bergseng 1959-8-4 3655 Sonoma Sonoma Coast State Park. 0 Comment
  RSA0004473  Godetia amoena var. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mile east of Glen Ellen. 30 Comment
  CAS-BOT-BC261651  Gratiola Peter Rubtzoff 1972-4-23 6730 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCR242983  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  UCR279646  Grindelia camporum Peter Rubtzoff 1963-8-17 5225 Sonoma Along Petaluma River, just east of Petaluma 5 Comment
  CAS-BOT-BC305171  Grindelia hirsutula Catherine Best 1982-8-18 s.n. Sonoma At Goat Rock Park Comment
  CAS-BOT-BC305183  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC305198  Grindelia hirsutula Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers Comment
  UC87905  Grindelia hirsutula J. W. Congdon April 1880 Sonoma Petaluma Comment
  UCD166081  Grindelia hirsutula Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC305194  Grindelia hirsutula Milo S. Baker 1946-7-30 11542 Sonoma Eastern margin of Laguna. Upland. Along Occidental Rd. near bridge Comment
  CDA6169  Grindelia stricta T. Dowd, M. Smith 1979-6-2 Sonoma Dutcher Creek Road south of Cloverdale, west of Russian River. 0 Comment
  UCD132575  Grindelia stricta var. platyphylla Mary M. Hektner; Cathy Hendel 1974-7-23 161 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  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
  CAS-BOT-BC306325  Hedypnois cretica G. DeNevers 1981-5-26 1330 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC306327  Hedypnois cretica F. Almeda; G. DeNevers 1981-4-28 4898 Sonoma Pepperwood Ranch. Vicinity of the Bechtel Cabin Comment
  CAS-BOT-BC306769  Helenium bigelovii Peter Rubtzoff 1951-6-7 114 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  JEPS81886  Helenium bigelovii Roger Raiche 1982-7-31 20649 Sonoma Pitkin Marsh 15 Comment
  RSA74050  Helenium bigelovii Milo S. Baker 1947-6-26 11834 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  RSA800481  Helenium bigelovii Peter Rubtzoff 1961-6-23 4645 Sonoma Bennett Mountain Lake Comment
  POM260541  Helenium puberulum Roxana S. Ferris 1937-8-18 9374 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  RSA800290  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC314720  Helianthella californica var. californica C. F. Leitholt 1893-6-1 s.n. Sonoma Bennet Valley Comment
  CAS-BOT-BC314736  Helianthella californica var. californica James McMurphy 1909-5-29 s.n. Sonoma Between Geyser Peak and Black Mountain Comment
  UCD148367  Helminthotheca echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  UCD166266  Hemizonia Peter Rubtzoff 1970-9-3 6379 Sonoma Marsh off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek. Comment
  CAS-BOT-BC262816  Hemizonia Peter Rubtzoff 1956-9-24 2943 Sonoma Stony Point Marsh. Comment
  RSA800288  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  POM261036  Hemizonia congesta Alice Eastwood, J. T. Howell 1936-7-4 3822 Sonoma 2 miles N of Windsor. Comment
  RSA159433  Hemizonia congesta James I. McMurphy 1909-8-8 701 Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  UC727137  Hemizonia congesta subsp. clevelandii A. A. Heller 1941-9-22 16320 Sonoma three mi e northern base ofMount St. Helena (on State Hwy #29) Comment
  CAS-BOT-BC306246  Hemizonia congesta subsp. congesta James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  JEPS126256  Hemizonia congesta subsp. congesta Sarah Lynch 2016-5-17 Sonoma Windsor. Found in Windsor on the south side of Shiloh Road. Comment
  JEPS54474  Hemizonia congesta subsp. congesta Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9315 Sonoma Pitkin Marsh 53 Comment
  SEINET7067333  Hemizonia congesta subsp. congesta A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  UC1612985  Hemizonia congesta subsp. congesta M. Rockwood and L. Esposito 1994-6-14 541 Sonoma ca 1.5 mi nw Bodega; Rancho Bodega 42 Comment
  CAS-BOT-BC306239  Hemizonia congesta subsp. congesta J. McMurphy 1909-8-9 708 Sonoma 1 mile south of Sonoma Comment
  UCR254915  Hemizonia congesta subsp. leucocephala Greg de Nevers 1998-6-9 11270 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC309674  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol 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-BC309691  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  JEPS86293  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1989-6-6 1019 Sonoma n side of intersection of Facindini Ln. and Occidental Road Comment
  UC89773  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma Lagoon at Sebastapol Comment
  CAS-BOT-BC309678  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 Sonoma On road to Petaluma, 4-1/2 miles south of Santa Rosa Comment
  CAS-BOT-BC309706  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -D Sonoma About a mile W of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309722  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-10-1 6052 Sonoma Laguna on College Ave Hiwy Comment
  JEPS116516  Hemizonia congesta subsp. lutescens Peter Warner 2009-6-3 102 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, in grassland 25 m S of main (west) gate 250 Comment
  UC194216  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-24 10251 Sonoma 12 km on road to San Rafael; Petaluma Comment
  UC197516  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 10246 b Sonoma 14 mi nw Petaluma (2 mi e of Tocaloma) Comment
  JEPS119428  Hemizonia congesta subsp. luzulifolia Anne Howald 2011-8-28 2807 Sonoma North Coast Ranges, Sonoma Valley, Felder Creek drainage, west side of Macabee Rd., 0.2 mi. north of Felder Rd., west of Arnold Dr. Comment
  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
  UCR233089  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2807 Sonoma North Coast Ranges, Sonoma Valley, Felder Creek drainage, west side of Macabee Rd., 0.2 mi. north of Felder Rd., west of Arnold Dr. 34 Comment
  CAS-BOT-BC309938  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight; J. T. H. 1984-9-26 5234 Sonoma 5.9 mi. up Cavedale Rd. Comment
  CAS-BOT-BC309956  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1932-9-18 10784 Sonoma Glen Ellen Comment
  UC295870  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12100 Sonoma n of Healdsburg Comment
  UCD132140  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1994-6-24 1889 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. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  RSA159435  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -A Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  POM53601  Hemizonia luzulifolia A. A. Heller 1902-8-20 6054 Sonoma Lagoon at Scbastopol Comment
  RSA144367  Hemizonia multicaulis subsp. vernalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  RSA81679  Hemizonia multicaulis subsp. vernalis James I. McMurphy 1909-5-28 s.n. Sonoma About 1 mile W of Santa Rosa. Comment
  UC581116  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8082 Sonoma Jensen's Ranch; Dohrmann Creek Comment
  UC1212254  Hesperolinon micranthum Helen K. Sharsmith 1952-6-17 4124 Sonoma Trinity road nw Mount Veeder; Inner North Coast Ranges 457 Comment
  RSA63652  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma South slope of Hood Mt. Above Baker Ranch. 213 Comment
  UC17273 Image available Hesperolinon spergulinum H. N. Bolander 1867-1 6568 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  UC1212387  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4126 Sonoma n of Pine Flat (slopes above Florence Creek); Inner North Coast Ranges, Mayacamas Mountains, Florence Cree 670 Comment
  CAS-BOT-BC371405  Heterocodon rariflorum Greg de Nevers 1993-4-29 10418 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Devils' Kitchin. 457 Comment
  RSA534490  Heterocodon rariflorum Peter Rubtzoff 1969-6-14 6076 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC149833  Heteromeles arbutifolia Walter Knight; Irja Knight 1964-11-15 771 Sonoma Above Johnson Dam, Hood's Peak Comment
  CAS-BOT-BC149836  Heteromeles arbutifolia A. A. Heller 1902-7-8 5815 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC310984  Heterotheca grandiflora Freed Hoffman 1943-12-1 s.n. Sonoma Northwood, Russian River near Guerneville Comment
  CAS-BOT-BC251213  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  JEPS81179  Heterotheca oregona var. oregona Edward Lee with W. A. Setchell 1936-6-5 2172 Sonoma Bohemian Grove Comment
  CAS-BOT-BC420940  Heuchera micrantha var. diversifolia A. A. Heller 1902-6-24 5756 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC424435  Heuchera pilosissima Catherine Best 1985-5-15 1091 Sonoma Coleman Valley Road about 3 miles W of Occidental Comment
  CAS-BOT-BC424437  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Steep slope of a canyon near Bodega Bay Comment
  CAS-BOT-BC55452  Hirschfeldia incana Alice Eastwood 1920-7-31 9997 Sonoma Vallejo. Comment
  UC1222394  Hoita macrostachya Joseph P. Tracy 1951-7-28 19628 Sonoma 5 mi e Geyserville; Alexander Valley Comment
  UC76910  Holcus lanatus Michener and Bioletti 1892-7-5 Sonoma Skaggs Springs Comment
  UCD84893  Holcus lanatus Mary M. Hektner; Sue Dakuzaku 1974-6-4 20 a Sonoma Near State Hwy 1, Unit 24 Owners' Map, Sea Ranch. Comment
  POM91554  Holodiscus discolor Marcus E. Jones 1882-7-18 3579 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC152385  Holodiscus discolor var. discolor Marcus E. Jones 1882-7-18 3579 Sonoma Duncan's Mills Comment
  CAS-BOT-BC152387  Holodiscus discolor var. discolor Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  RSA0026176  Holodiscus dumosus Barbara Ertter, Roger Raiche, J. R. Shevock, R. Bittman 1994-6-23 12850 Sonoma The Cedars' serpentine area at head of Big Austin Creek N of Cazadero, ca. 20 air miles due W of Healdsburg. South branch of creek. Comment
  RSA523929  Holozonia filipes R. C. Bacigalupi, Peter Rubtzoff 1976-8-6 s,n, Sonoma Knights Valley. Ffat off S side of Bavarian Lion Company ranch road (between it and a creek), 1-1.5 miles W of its junction with Franz Valley Road. (0.4 mile S of Hwy 128). Comment
  RSA783725  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  RSA783727  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake. Comment
  UCD148362  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC289541  Hordeum brachyantherum subsp. californicum John H. Thomas 1976-6-16 18346 Sonoma Southern part of Sea Ranch northwestern part of county about 7 iles south of Gualala 30 Comment
  UC573658  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 mi nw Graton; Sebastopol Quad. Comment
  CHSC8222  Hordeum murinum subsp. glaucum K. Henegar 1969-5-10 46 Sonoma Schooner Gulch, 200 yds s on Highway 1. Found on ocean side of road. Comment
  CAS-BOT-BC282023  Hordeum murinum subsp. leporinum David L. Morgan 1956-4-8 s.n. Sonoma 4 miles W of Sebastopol, at junction of Burnside and Gold Ridge Roads Comment
  UC903144  Horkelia californica Ethel Crum 1930-7-27 818 Sonoma n Fort Ross; North Coast Ranges 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
  CAS-BOT-BC536155  Horkelia californica David D. Keck 1944-7-11 5516 Sonoma 1 mile south of bridge across mouth of Russian River, 1/2 mile from ocean 22 Comment
  CAS-BOT-BC536157  Horkelia californica John Thomas Howell 1930-6-8 5279 Sonoma 8 miles north of Bodega Bay Comment
  JEPS97512  Horkelia tenuiloba Dean Schlichting 2000-5-31 Sonoma 1/2 mi E of Annapolis Comment
  UCD158717  Hosackia crassifolia Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 3.5 mi east of the junction of Socrates Mine Rd. and Pine Flat Rd. Shell US Geothermal #2. Elevation estimated by label maker. [note by label-maker: 3.5 mi southeast would take location out of Sonoma County and out of the geothermal area, unless is road miles]. 975 Comment
  CAS-BOT-BC400996  Hypericum anagalloides Peter Rubtzoff 1951-6-16 226 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UC177302  Hypericum anagalloides W. E. Bryant July 1887 Sonoma Healdsburg Comment
  CAS-BOT-BC401003  Hypericum anagalloides Walter Knight; Irja Knight 1963-9-1 135 Sonoma Marsh near highest summit of Harold Smith Ranch on Pine Mt Rd NE of Cloverdale 731 Comment
  RSA94321  Hypericum formosum var. scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Western branch of the upper Marsh; in a marshy opening. Comment
  JEPS128368  Hypochaeris glabra Roger Raiche 2000-5-5 099 A.00 Sonoma The Cedars. Bearpen Creek watershed (CalWater# 1114.120002). Comment
  UCD133333  Hypochaeris glabra Mary M. Hektner 1976-5-10 254 Sonoma above beach near the Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC455899  Hypochaeris radicata I. J. Condit 1908-8-13 Sonoma Sebastopol Comment
  CAS-BOT-BC316714  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC316718  Hypochaeris radicata Walter Knight; Irja Knight 1963-12-28 479 Sonoma Bodega Head Comment
  JEPS76919  Iris douglasiana Robert M. Lloyd 1963-2-24 2059 Sonoma 4 mi s State Highway 12 (on State Highway 1) 15 Comment
  HSC13855  Iris douglasiana James Faro 1962-4-14 20 Sonoma Salt Point Ranch, 5 mi. N of Fort Ross on Hwy. 1 Comment
  SD56828  Iris douglasiana Darley F. Howe 1963-5-23 Sonoma 4.5 miles north of Cloverdale. 366 Comment
  RSA137406  Iris fernaldii Lee W. Lenz 1952-5-8 17106 Sonoma Near junction of road from Calistoga to Santa Rosa with that to Mark West Springs Comment
  RSA48719  Iris fernaldii Lee W. Lenz 1949-5-3 14426 Sonoma About 1 mile from Petrified Forest on road to Calistoga. 610 Comment
  RSA48722  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
  RSA135851  Iris purdyi E. K. Balls, Lee W. Lenz 1951-5-10 16539 Sonoma 1.8 miles northwest of junction of Highway 101 and Highway 28, road to Yorkville Comment
  UCD166139  Isoetes Peter Rubtzoff 1969-5-24 6058 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC176124  Isoetes Peter Rubtzoff 1971-9-1 6670 Sonoma Spring Creek Reservoir area. Comment
  UCD150851  Isoetes nuttallii Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC61927  Isoetes nuttallii Peter Rubtzoff 1951-7-14 468 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC112417  Isolepis carinata Peter Rubtzoff; Hans A. Froebe 1971-5-30 6485 Sonoma Dry bed of vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC112408  Isolepis carinata Peter Rubtzoff 1966-4-30 5696 Sonoma Todd Road 1.4 mi. from Hwy 116 and 0.6 mi. from Llamo Road. Comment
  CAS-BOT-BC112415  Isolepis carinata Peter Rubtzoff 1974-5-19 7451 Sonoma Todd Road 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC112566  Isolepis cernua Peter Rubtzoff 1960-6-9 4485 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  CAS-BOT-BC112572  Isolepis cernua Peter Rubtzoff 1954-8-10 1678 Sonoma Bodega Head Marsh. Comment
  SD134077  Isolepis cernua Peter Rubtzoff 1954-8-3 1635 Sonoma Lower Salmon Creek Marsh, open, wet ground. (IPB 11/07) Comment
  SEINET2064756 Image available Juglans californica Royal D. Suttkus 1967-6-25 67 -281 Sonoma Russian River, 1 mile E of Alexander Comment
  RSA788953  Juncus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh. Comment
  RSA790896  Juncus Peter Rubtzoff 1968-6-25 5903 Sonoma Lichan Marsh. Comment
Read comments
Apr 16 2014
  UCD166091  Juncus balticus subsp. ater Peter Rubtzoff 1971-7-9 6595 Sonoma Five miles north of Sears Point. Comment
  SEINET3877577  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa.; 0 Comment
  UCD141394  Juncus bufonius Gerry North 1993-4 14 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 mile east of park entrance gate. 228 Comment
  UCD141419  Juncus capitatus Frederica Bowcutt 1984-6-23 431 b Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove. 30 Comment
  UCD164103  Juncus dubius Peter Rubtzoff; Nancy Harrison 1978-5-20 9187 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UCD160827  Juncus effusus subsp. pacificus James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3436 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCD141504  Juncus effusus subsp. pacificus Frederica Bowcutt 1984-6-23 427 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. Immediately SW of park entrance, West of Highway 1 and NW of Gerstle Cove along park road. 30 Comment
  SD262153  Juncus effusus var. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh (Duncan Hills 7.5'Q) 9 Comment
  CAS-BOT-BC157998  Juncus hesperius Peter Rubtzoff 1959-6-20 4178 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC173511  Juncus hesperius Peter Rubtzoff 1969-8-14 6137 Sonoma Sonoma: Coleman Marsh Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  CAS-BOT-BC182748  Juncus occidentalis Peter Rubtzoff 1974-5-18 7413 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road Comment
  JEPS67108  Juncus occidentalis W. L. Jepson 1921-6-2 9299 Sonoma w of Windsor Comment
  UC1146699  Juncus occidentalis Freed W. Hoffman 1941-5-18 2180 Sonoma Franz Valley North Coast Ranges Comment
  UCD165134  Juncus occidentalis Peter Rubtzoff 1974-5-18 7413 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD141648  Juncus occidentalis M. Wiesendanger 1927-5-5 713 Sonoma Sonoma. Comment
  UCD141756  Juncus patens Frederica Bowcutt 1996-5-18 1848 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, N of Sonoma Creek about 35 yards, N of Adobe Canyon Road ca. 20 ft.. Trailhead for Pony Gate trail near kiosk and visitor center. 411 Comment
  UCD141758  Juncus patens Mary M. Hektner 1976-8-26 266 Sonoma Unit 28 Owner;s Map, Sea Ranch, near State Highway 1. Comment
  UCR248901  Kickxia elatine Peter Rubtzoff 1971-8-9 6633 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCR248746  Kickxia spuria Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 38 Comment
  UCR254875  Koeleria macrantha Peter Rubtzoff 1964-6-6 5357 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg 61 Comment
  HSC100956  Koeleria macrantha Peter Warner 2011-5-13 195 Sonoma Jenner Headlands, Upper Russian Gulch Pasture,~1.5 km, N70 deg. E of Hwy. bridge at Russian Gulch, ~ 90 m N of power lines. 203 Comment
  CAS-BOT-BC273792  Koeleria pyramidata A. A. Heller 1902-4-23 5352 Sonoma Near Sonoma Comment
  CAS-BOT-BC499665  Kopsiopsis strobilacea Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  JEPS128217  Lactuca serriola Roger Raiche 2000-5-5 099 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD164593  Lagophylla Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC274318  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point Comment
  UCD63273  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  CAS-BOT-BC272433  Lamarckia aurea Greg de Nevers; Frank Almeda 1987-4-11 8146 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UCD63321  Lamarckia aurea Freed W. Hoffman 1941-4-25 2239 Sonoma Luttrell Ranch, near Guerneville. Comment
  SD56365  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma Near Sebastopol Comment
  JEPS83494  Lasthenia burkei Jack and Betty Guggolz 1985-5-7 832 703 B Sonoma n of Fulton (in the first swale e of the Freeway and s of Shilo Road) Comment
  JEPS86323  Lasthenia burkei Jack and Betty Guggolz 1988-4-8 912 Sonoma 100 m w Walzer Road (n side of San Miguel Road) Comment
  JEPS86749  Lasthenia burkei Jack and Betty Guggolz 1990-5-5 1048 Sonoma n side Piner Road (w of Olivet Road) Comment
  UC1594205  Lasthenia burkei L. Huntington 1990-5-12 261 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  CAS-BOT-BC346330  Lasthenia californica G. DeNevers 1981-4-16 729 Sonoma Pepperwood Ranch, by Studio Comment
  JEPS26839  Lasthenia californica subsp. bakeri Rimo Bacigalupi 1961-5-21 7702 Sonoma at head Johnson Gulch (due e of Bodega Bay Hill Raod) 217 Comment
  UC579278  Lasthenia californica subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma near Bodega 60 Comment
  UC893741  Lasthenia californica subsp. bakeri Milo S. Baker 1932-4-25 5958 Sonoma one mi e Bodega Bay Comment
  UC1118957  Lasthenia californica subsp. californica H. S. Yates 1934-4-22 3843 Sonoma 2 mi. s Mark West; Calistoga Quad. Comment
  CAS-BOT-BC324410  Lasthenia californica subsp. macrantha J. Clausen 1935-5-24 1092 Sonoma 6.2 miles south of Jenner Comment
  SEINET11447680 Image available Lasthenia californica subsp. macrantha K. Brandegee 1905-6-27 s.n. Sonoma Near Bodega Bay; 38.33325 -123.048057 Comment
  JEPS120460  Lasthenia californica subsp. macrantha Daniel Slakey 2013-8-11 61 Sonoma Salt Point State Park, about 0.5 mile north of Salt Point along the Salt Point Trail. Comment
  CAS-BOT-BC352756  Lasthenia fremontii Alice Eastwood; John Thomas Howell 1936-5-19 2514 Sonoma 2 miles N of Windsor Comment
  CAS-BOT-BC355520  Lasthenia glaberrima John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54020 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC355536  Lasthenia glaberrima J. Penalosa 1961-5-24 1601 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC370895  Lasthenia minor Alice Eastwood 1915-6-29 4838 Sonoma Bodega Point Comment
  CAS-BOT-BC370897  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 mi. S. of Jenner, close to ocean between grass. Comment
  CAS-BOT-BC370855  Lasthenia minor Ella Dales Cantelow 1941-4-14 3545 Sonoma Near Ocean. Mouth of Salmon Creek Comment
  CAS-BOT-BC164646  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC164395  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa. Comment
  UCD106203  Lathyrus cicera Botany 102 Students 1993-4-17 42 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. SE of Red Mountain about 1 air mile. Near group campground. 365 Comment
  UCD106205  Lathyrus cicera Botany 102 Students 1994-6-12 1843 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  UCR254873  Lathyrus jepsonii Peter Rubtzoff 1958-7-19 3771 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC204990  Lathyrus jepsonii var. californicus Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  UC424792  Lathyrus jepsonii var. californicus unknown Apr 1930 4848 b Sonoma near Plantation Comment
  UCD106362  Lathyrus latifolius Terri Williamson 1990-5-20 45 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  UC192638  Lathyrus torreyi J. W. Congdon 1880-5-17 Sonoma Guerneville Comment
  UCR265133  Lathyrus vestitus Ann Howald 2015-4-1 3333 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  UCD106534  Lathyrus vestitus var. ochropetalus Beecher Crampton 1959-6-16 5404 Sonoma 1 mile south of the town of Bodega Bay. Comment
  UC15380  Lathyrus vestitus var. vestitus unknown 1862-4-1 966 Sonoma near Sonoma Comment
Read comments
Jan 20 2011
  CAS-BOT-BC323233  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 miles E of Shellville (just E of intersection of Sonoma road). Comment
  UC30599  Layia chrysanthemoides H. N. Bolander 1864-1 3902 Sonoma Mark West Comment
  POM298266  Layia chrysanthemoides D. D. Keck 1931-4-2 997 Sonoma Boyes Springs 30 Comment
  POM361720  Layia chrysanthemoides J. T. Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  RSA786927  Layia chrysanthemoides Carrie A. Herd 1982-4-25 83 Sonoma Crane Creek Regional Park Comment
  UCSB21085  Layia chrysanthemoides McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and Mac Arthur St., Sonoma 25 Comment
  UC688868  Leersia oryzoides Freed Hoffman 1943-10-26 5 Sonoma near Guerneville (Russian River); Russian River Comment
  CAS-BOT-BC210096  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  JEPS63253  Lepechinia calycina Eleanor Armstrong 1932-5-29 515 Sonoma 3 miles North of Camp Meeker towards Monte Rio. 121 Comment
  CAS-BOT-BC12760  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma. Comment
  RSA66571  Lepidium oxycarpum J. T. Howell 1933-4-1 10924 Sonoma Petaluma Comment
  CAS-BOT-BC12967  Lepidium strictum J. W. Congdon 1880-3-1 s.n. Sonoma Petaluma. Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  CAS-BOT-BC12973  Lepidium strictum Catherine Best 1990-3-24 1361 Sonoma Northwest of Santa Rosa near Piner and Fulton. Comment
  JEPS88953  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  SEINET7967475 Image available Leptosiphon androsaceus James Grimes 1981-4-29 1977 Sonoma On Highway 128 2.1 miles north of US 101, north of Cloverdale. Comment
  CAS-BOT-BC226702  Leptosiphon jepsonii G. DeNevers 1981-5-15 1205 Sonoma Pepperwood Ranch. Grazed shore of Hansel's Lake Comment
  UCR261617  Leptosiphon latisectus Ann Howald 2003-3-8 2274 Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, c. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  NY180565  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC324188  Lessingia hololeuca W. Spence 1960-9-13 630 Sonoma 2 miles south of Monte Rio on road to Camp Meeker and Occidental 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
  CAS-BOT-BC342000  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  UCD92468  Leymus X vancouverensis Freed W. Hoffman 1943-7-10 2170 Sonoma North Coast Ranges. Wright's Beach, Sonoma Coast. Comment
  UCD92470  Leymus X vancouverensis Peter Rubtzoff 1960-10-29 4583 Sonoma Bodega Harbor Marsh. Comment
  UCD64625  Leymus mollis P. G. Connors 1992-5-7 246 Sonoma near Mussel Point, overlooking Salmon Creek Beach. Comment
  UC38164  Leymus triticoides J. Burtt Davy 1897-9-18 4037 Sonoma roadside bank near Petaluma Comment
  UC32501  Ligusticum apiifolium W. C. Blasdale 1894-6-8 Sonoma Kenwood Comment
  CAS-BOT-BC451711  Lilaea scilloides Peter Rubtzoff 1958-5-3 3609 Sonoma Atascadero Creek Marsh. 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
  RSA155423  Lilaea scilloides L. S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa, half mile east of Cunningham. 15 Comment
  JEPS62022  Lilium rubescens Milo S. Baker 1923-7-30 164 Sonoma field near Frederickson; North Coast Comment
  JEPS77876  Limnanthes douglasii Robert M. Lloyd 1965-5-8 3639 Sonoma Llano Road e Cunningham (se of Sebastopol, about 4 mi n of Route 116, upper portion of Marsh); Laguna de Santa Rosa Marsh Comment
  UCD116499  Limnanthes douglasii G. F. Hrusa; R. Gross, A. Buckmann 1996-3-29 12740 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. 110 Comment
  UCD35883  Limnanthes douglasii Beecher Crampton 1966-5-10 7730 Sonoma 6.5 miles n. of Sonoma, State Hwy. 12. Comment
  SJSU10801  Limnanthes douglasii subsp. douglasii T. A. Wayne 1962-4-21 Sonoma Bennett Valley 3 mi SE of Sants Rosa Comment
  UCD150139  Limnanthes douglasii subsp. nivea 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
  UC635633  Limnanthes douglasii subsp. nivea H. L. Mason 1926-3-20 2746 Sonoma marshes s Calistoga (along railroad right-of-way) Comment
  UC1368724  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma e Sebastopol; Laguna de Santa Rosa Comment
  UCD165771  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  UC908795  Linanthus jepsonii Herbert L. Mason 1928-4-13 4339 Sonoma Reibli School, near springs Comment
  UCR143494  Linanthus latisectus David D. Keck 1931-4-4 1100 Sonoma Santa Rosa Creek Canyon, eastern part of the county 225 Comment
  UC52689  Linanthus parviflorus unknown 1898-4-23 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC249305  Lindernia Peter Rubtzoff 2013-2-15 8357 Sonoma Bennett Mountain Lake, northern lakeshore Comment
  SEINET12186036  Linum micranthum W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4754 Sonoma The Cedars, near Cazadero, Twitchell Ranch 244 Comment
  CAS-BOT-BC36014  Lithocarpus densiflorus var. densiflorus H. E. McMinn 1922-6-7 191 Sonoma Redwoods near Monte Rio Comment
  CAS-BOT-BC342502  Logfia gallica D. E. Breedlove 1980-6-28 44810 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC283296  Lolium multiflorum Mary P. Wells 1987-9-7 895 Sonoma Spring Lake Park Comment
  UCD66189  Lolium multiflorum Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 B Sonoma Sea Ranch, near State Highway 1. Comment
  SEINET11690152  Lolium multiflorum W. Knight, Knight, I.; Howell, J. T. 1987-1 6280 Sonoma Todd Road Preserve, near corner of Llano Road 24 Comment
  UCD66660  Lolium temulentum David L. Morgan 1956-5-13 Sonoma On Watmaugh Road, 1/2 mile W of junction of Arnold Drive. Comment
  SD130503  Lomatium dasycarpum F. Almeda, G. DeNevers 1981-4-28 4911 Sonoma Pepperwood Ranch, near Bechtel cabin. Comment
  RSA177921  Lomatium dasycarpum subsp. dasycarpum R. F. Thorne 1965-4-20 34372 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UC1046220  Lomatium dasycarpum subsp. dasycarpum Lincoln Constance 1953-4-4 3448 Sonoma 1 mi. s.w. Petrified Forest (Mark West rd.) Comment
  CAS-BOT-BC361356  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  UCD160831  Lonicera interrupta James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3365 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCD160882  Lonicera interrupta James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3270 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC244009  Lonicera involucrata var. ledebourii Peter Rubtzoff 1964-6-3 5345 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC244010  Lonicera involucrata var. ledebourii Peter Rubtzoff 1962-8-22 5047 Sonoma Bodega Bay Marsh Comment
  UCR143602  Lotus G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC540820  Lotus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh. Comment
  UC604131  Lotus angustissimus Milo S. Baker 1938-8-15 9229 Sonoma just beyong Wrights Beach (Coast Highway) Comment
  UCD106698  Lotus angustissimus Frederica Bowcutt 1984-6-23 429 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  UC207659  Lotus grandiflorus Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  UC58330  Lotus junceus A. A. Heller 1903-4-25 6597 Sonoma Fort Ross Comment
  UC1129078  Lotus micranthus H. S. Yates 1934-4-22 3846 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  UC1300860  Lotus micranthus Helen K. Sharsmith 1963-5-25 5475 Sonoma from Freestone to Occidental; San Francisco Bay Region 121 Comment
  UCR275251  Lotus purshianus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente 38 Comment
  UC726330  Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma n of Bodega Bay Comment
  CAS-BOT-BC290614  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCD65848  Ludwigia hexapetala B. J. Grewell 2006-8-23 06- 49 -LU Sonoma Russian River watershed, Russian River at Washington School Road summer water crossing, Asti. Collection downstream of low water bridge, east bank. 69 Comment
  UCD65934  Ludwigia hexapetala B. J. Grewell 2006-11-10 06- 91 -LU Sonoma Russian River just downstream of seasonal dam, Veteran's Memorial Park, Healdsburg. Access via kayak. 23 Comment
  UCD66043  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 27 -LU Sonoma Lake Wilson, Sonoma County Riverfront Park sw of Windsor, Eastside Road. 16 Comment
  UCD66045  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 54 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  UCR248361  Ludwigia hexapetala Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  RSA262212  Ludwigia hexapetala Peter Rubtzoff 1970-9-8 6383 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA800128  Ludwigia palustris Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC251279  Ludwigia palustris Peter Rubtzoff 1955-7-16 1961 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC251285  Ludwigia palustris Peter Rubtzoff 1954-7-17 1551 Sonoma Austin Creek Marsh. Comment
  RSA800126  Ludwigia palustris Peter Rubtzoff 1969-8-24 6149 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  POM312607  Ludwigia palustris var. pacifica H. L. Mason 1946-7-4 12886 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC157963  Ludwigia peploides Peter Rubtzoff 1955-8-28 2110 Sonoma Forestville Marsh Comment
  CDA9766  Ludwigia uruguayensis Erik Hawk 2007-10-1 s.n.-LFCC Sonoma Food control channel E of Stony Point Rd., at Rohnert Park Expressway, Laguna de Santa Rosa. Comment
  SEINET10488438  Lupinus albifrons Joseph W. Congdon 1880-5-16 Congdon s.n. Sonoma Comment
  SEINET5327629  Lupinus albifrons A. A. Heller, H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood. 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
  UCD106595  Lupinus arboreus Chris Bowen 1976-5-18 120 Sonoma Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1129574  Lupinus bicolor H. S. Yates 1934-4-21 3820 Sonoma near Monte Rio; Duncans Mills Quad., near Monte Rio Comment
  JEPS64976  Lupinus bicolor var. tridentatus W. L. Jepson 1914-4-11 5802 Sonoma Sonoma Valley 35 Comment
  CAS-BOT-BC187860  Lupinus chamissonis Alice Eastwood 1915-6-29 4845 Sonoma Bodega Point Comment
  UC1129697  Lupinus latifolius H. S. Yates 1934-4-22 3834 Sonoma 3 mi e Mark West; Calistoga Quadrangle Comment
  UC479108  Lupinus luteolus Marcus E. Jones, A. M. 1931-7-5 28954 Sonoma The Geysers Comment
  SEINET5790384 Image available Lupinus microcarpus Marcus E. Jones 1882-1 3329 Sonoma Duncan's Mills Comment
  OBI81777  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
  SD88509  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-28 Sonoma North of Jenner Comment
  UC201065  Lupinus nanus Katharine Brandegee July 1905 Sonoma Bodega Comment
  UCD15528  Lupinus nanus Gregory J. Lowenberg 1988-5-9 20 Sonoma 1/4 mile of entrance to Bodega Marine Laboratory Road. 12 Comment
  SEINET10451627  Lupinus nanus subsp. nanus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7083 Sonoma On n-facing grassy clay bank, .6 mi w of sonoma-napa co line on hwy 121. 61 Comment
  CAS-BOT-BC311853  Lupinus polycarpus Peter Rubtzoff 1974-5-11 7394 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  RSA339414  Lupinus sericatus Roger Raiche 1984-3-25 40074 Sonoma Kelly Road just west of its intersection with Rockpile Road 610 Comment
  CAS-BOT-BC202172  Lupinus tidestromii Catherine Best 1980-9-18 s.n. Sonoma On the south side of the mouth of the Russian River Comment
  JEPS85895  Lupinus tidestromii Jack and Betty Guggolz 1991-5-27 1153 Sonoma coastal dunes between the mouth of the Russian River and Goat Rock; btw the mouth of the Russian River and Goat Rock 6 Comment
  UC683337  Lupinus variicolor Mrs. H. P. Bracelin 1931-5-9 341 Sonoma beyond Dundee R.R. station and Molino nursery about one mi w Sebastopol Comment
  CAS-BOT-BC210022  Luzula Peter Rubtzoff 1962-4-11 4793 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) Comment
  CAS-BOT-BC376266  Lythrum hyssopifolia Greg de Nevers No date on label 10779 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Garrison Canyon, in headwaters of canyon west of house 487 Comment
  CDA19171  Lythrum salicaria S. Opbroek 2000-7-14 PDR 038289 Sonoma North Coast Ranges; 6225 Stony Pt. Rd., Cotati. 0 Comment
  UCD164595  Madia Peter Rubtzoff 1975-8-28 8361 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC342621  Madia anomala G. DeNevers 1981-5-15 1213 Sonoma Pepperwood Ranch. Along road to Hansel's Lake (from the bottom of her driveway) Comment
  CAS-BOT-BC344043  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental 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
  CAS-BOT-BC343466  Madia gracilis G. DeNevers 1981-5-30 1422 Sonoma Pepperwood Ranch. In Garrison yard ruderal Comment
  CAS-BOT-BC343471  Madia gracilis Catherine Best 1981-6-5 s.n. Sonoma Warm Springs Dam Overlook Comment
  CAS-BOT-BC343472  Madia gracilis Catherine Best 1984-4-22 927 Sonoma Buena Vista Winery south of Sonoma Comment
  POM41471  Madia madioides Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCR265237  Madia madioides Ann Howald 2015-4-28 3378 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 13.8 miles west of intersection with Rockpile Rd, Warm Springs drainage 589 Comment
  SEINET11807611  Madia madioides F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -164 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 330 Comment
  RSA516587  Madia nutans R. C. Bacigalupi 1956-4-17 5587 Sonoma Along Ida Clayton Rd., 3.7 miles east of its beginning on the Kellogg Valley side (jct. with State 128), Mayacamas Range. 686 Comment
  CAS-BOT-BC345262  Madia sativa David D. Keck; J. Clausen 1935-6-15 3365 a Sonoma 1 mi. N. of Salmon Creek Comment
  CAS-BOT-BC345231  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma Leddy, electric r.r. station between Santa Rosa and Sebastopol Comment
  RSA785885  Madia sativa Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  SBBG1060  Maianthemum racemosum H. and M. Dearing 1933-5-16 260 Sonoma Cloverdale, Redwood Hwy Comment
  RSA177991  Maianthemum racemosum subsp. amplexicaule Robert F. Thorne 1965-4-19 34295 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC511499  Maianthemum stellatum J. W. Congdon 1880-5-2 s.n. Sonoma Cleveland's Creek Comment
  UCR47300  Malva nicaeensis Mary M. Hektner 1976-4-3 240 Sonoma Sea Ranch Association Office, Sea Ranch, near State Hwy 1. Comment
  HSC15988  Malva nicaeensis S. N. Wiemeyer 1962-4-20 24 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  RSA784484  Marsilea vestita subsp. vestita Peter Rubtzoff 1964-7-7 5388 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  POM55040  Matricaria matricarioides A. A. Heller, H. E. Brown 1902-6-2 5635 Sonoma Santa Rosa. Comment
  UC855219  Meconella californica Alice Eastwood 1917-5-10 Sonoma on rd Bodega Point Comment
  UCD165325  Medicago Peter Rubtzoff 1973-8-21 7247 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC281275  Melica geyeri G. DeNevers 1981-5-5 950 Sonoma Pepperwood Ranch. On the trail to the Studio Comment
  CAS-BOT-BC281277  Melica geyeri G. DeNevers 1981-5-14 1149 Sonoma Pepperwood Ranch. W arm of Garrison Canyon Comment
  CAS-BOT-BC383038  Melica geyeri Greg de Nevers 1989-4-1 9057 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  SJSU9871  Melica geyeri G. J. Woodside 1969-4-29 36 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St. Dorothy's Rest Comment
  UCD87312  Melica geyeri Virginia Bufford 1936-5-21 368 Sonoma Near Skaggs Springs. Comment
  UCD87322  Melica geyeri Beecher Crampton 1953-5-19 1299 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128 at Napa County line. Comment
  SEINET4671609  Melica geyeri L. Koch 1940-4-24 843 Sonoma Roadside in Bennett Valley, a mile north of two and one-half mile junction from Kenwood and Glen Ellen Comment
  UCD87347  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  JEPS45822  Melica harfordii Eleanor Armstrong 1932-6-3 181 Sonoma near Camp Meeker 121 Comment
  UC1132272  Melica harfordii H. S. Yates 1936-5-16 5612 Sonoma 1 mi nw Mountain View School; Sebastopol Quad. 91 Comment
  UC1132277  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  UCD87520  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  UCD88632  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CHSC33997  Melica torreyana J. D. Prouty 1980-4-12 859 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi W of junction with Petrified Forest Road. 256 Comment
  OBI22007  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi N of Sonoma 61 Comment
  SEINET191212 Image available Melica torreyana A. A. Beetle 1941-4-27 1726 Sonoma North side of Mt St Helena; rocky slope above St Helena Creek Comment
  UC1146646  Melica torreyana Freed W. Hoffman 1941-6-1 2187 Sonoma Oregon Canyon; North Coast Ranges Comment
  UCD88825  Melica torreyana Virginia Bufford 1936-5-1 184 Sonoma Near Monte Rio. Comment
  UCD89212  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  SACT001559  Melica torreyana M. Wiesendanger 1927-5-5 Sonoma Comment
  SEINET10599670  Melica torreyana A. Arthur Heller 1902-3-27 Heller 5160 Sonoma Western base of Mt. Hood. Comment
  UCD166100  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  UCD81449  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma Sonoma. Comment
  RSA784568  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh. Comment
  UCR19128  Melissa officinalis John C. Roos 1948-4-28 3958 Sonoma North Coast Ranges, Healdsburg, Mill Creek - Barrell Spring Comment
  CAS-BOT-BC166970  Mentha Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  UCSC000631  Mentha pulegium I. J. Condit 2008-8-13 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC164713  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166691  Mentha spicata Peter Rubtzoff 1968-8-24 5932 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC166968  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC428952  Micranthes californica F. Almeda; G. DeNevers 1981-3-30 4873 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch. Comment
  CAS-BOT-BC348631  Micropus californicus var. californicus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53960 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  RSA52653  Micropus californicus var. californicus I. L. Wiggins 1949-4-30 12069 Sonoma 4 miles W of Calistoga, just W of country line. Comment
  SEINET11806900  Microseris linearifolia F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -173 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC322752  Microseris paludosa Alice Eastwood; John Thomas Howell 1936-5-19 2511 Sonoma 2 miles north of Windsor Comment
  SD56675  Microseris paludosa Darley F. Howe 1963-7-3 3592 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
  UCD118901  Microsteris gracilis Frederica Bowcutt 1994-5-21 1833 Sonoma Sugarloaf Ridge State Park. 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 Hillside Trail 1/2 mile. 396 Comment
  CAS-BOT-BC311864  Mimulus Peter Rubtzoff 1953-5-16 1357 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC311868  Mimulus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC311870  Mimulus Peter Rubtzoff 1955-7-9 1928 Sonoma Forestville Marsh. Comment
  RSA0025397  Mimulus Peter Rubtzoff 1955-7-9 1933 Sonoma Forestville Marsh. Comment
  UC446449  Mimulus arvensis Milo S. Baker 1898-5-7 637 Sonoma Glen Ellen Comment
  JEPS87261  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-4 1111 Sonoma 7.0 mi s Mendocino Co. line (along Hwy. 1, 0.5 mi n of Black Point Beach acess road) 95 Comment
  RSA177937  Mimulus aurantiacus var. aurantiacus Robert F. Thorne 1965-4-20 34335 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA39875  Mimulus aurantiacus var. aurantiacus P. A. Munz 1947-10-9 12212 Sonoma Dry Slope near entrance to Armstrong Redwoods State Park Comment
  RSA550831  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-5 1113 Sonoma N of Boyes Hot Springs. 0.6 mi E of Hwy 12 along Cavedale Road 160 Comment
  UC26690  Mimulus aurantiacus var. aurantiacus Alice Bolton 1888-10-13 Sonoma below Guerneville; Russian River Comment
  UC905106  Mimulus congdonii Milo S. Baker 1927-3-11 2015 b Sonoma near Santa Rosa (above road up canyon); Los Alamos Canyon Comment
  UCR248873  Mimulus guttatus Peter Rubtzoff 1955-7-9 1928 Sonoma North Coast Range, Forestville Marsh 71 Comment
  RSA0022512  Mimulus guttatus Peter Rubtzoff 1964-5-20 5321 Sonoma Bodega Bay Marsh. Comment
  RSA80596  Mimulus guttatus E. K. Balls, Lee W. Lenz 1952-5-8 17109 Sonoma 3.3 mi. n.e. from Mark West Springs on rd. to Kellogg. 91 Comment
  JEPS41072  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9109 Sonoma between 1 and 1 1/4 mi w Napa County line (along the Franz Valley School road, 1/4 mi w of the school) 219 Comment
  JEPS12347  Mimulus microphyllus Francis W. Pennell Jul 2 1940-Jul 3 1940 26039 Sonoma ne Kenwood Springs 396 Comment
  UC1012405  Mimulus microphyllus Francis W. Pennell Jul 2 1940-Jul 3 1940 26039 Sonoma ne Kenwood Springs 396 Comment
  UCD122689  Mimulus microphyllus Janet McIntosh 1966-4-27 21 Sonoma 8 miles east of Petaluma, State Highway 116. 76 Comment
  SEINET7075494  Minuartia californica A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UC727745  Minuartia californica Milo S. Baker 1946-4-2 11301 Sonoma rock outcrop just s Agua Caliente (along Sonoma-Santa Rosa Hwy, e side) Comment
  CAS-BOT-BC388893  Minuartia douglasii F. Almeda; G. DeNevers 1981-4-28 4910 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  RSA177976  Minuartia douglasii R. F. Thorne 1965-4-19 34307 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. Comment
  JEPS42871  Mollugo verticillata Alice King Oct. 1896 Sonoma Russian River, Healdsburg Russian River; , Healdsburg Comment
  CHSC67996  Monardella villosa Jack Guggolz; Betty Guggolz 1992-6-13 1313 Sonoma West side of Black Mountain, south of Geyser Peak. 597 Comment
  UCD151228  Monardella villosa James A. Neilson Jr. 1974-5-1 3170 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  UC722653  Monardella villosa subsp. franciscana C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  SEINET10869892 Image available Monardella villosa subsp. sheltonii A. Arthur Heller 1902-7-8 Heller 5812 Sonoma Sandy bank of Russian river at Healdsburg Comment
  CHSC67998  Monardella villosa subsp. villosa Jack Guggolz; Betty Guggolz 1991-6-10 1181 Sonoma 3.0 miles east of northern Santa Rosa. On the south side of Buzzard Peak. 323 Comment
  UCD151196  Monardella viridis James A. Neilson Jr. 1974-7-10 2810 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 miles west of Whispering Pines, east Sonoma County. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  UCD165123  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC444987  Montia fontana John Thomas Howell 1933-4-1 10926 Sonoma Petaluma Comment
  CAS-BOT-BC445004  Montia fontana Peter Rubtzoff 1966-4-30 5690 Sonoma North side of Hessel Road just west of Hwy. 116. Comment
  CAS-BOT-BC444985  Montia fontana J. Clausen 1933-3-25 731 Sonoma Between Warfield and Kenwood, along the highway Comment
  UC634934  Montia fontana H. L. Mason 1926-3-20 2752 Sonoma s of Calistoga (along railroad right-of-way) Comment
  UCD119516  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Marsh, Pitkin Ranch. Comment
  RSA113964  Myosotis discolor Peter Kamb, Francia Chisaki 1950-6-16 1867 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  SEINET12348989  Myosotis discolor F. H. Utech 1988-5-19 88 -193 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  UCR222562  Myosotis latifolia George K. Helmkamp, E. A. Helmkamp 2010-6-5 16253 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
  CAS-BOT-BC259172  Myosurus Peter Rubtzoff 1958-4-26 3595 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UC1135955  Myrica californica H. S. Yates 1934-4-21 3815 Sonoma near Guerneville; Duncan Mills Quad. Comment
  UCR244631  Myriophyllum aquaticum Peter Rubtzoff 1961-10-18 4770 Sonoma Cunningham Marsh [near 1460 Big Cedar Lane, Sebastapol, CA] 38 Comment
  UCR244634  Myriophyllum hippuroides Peter Rubtzoff 1955-7-16 1966 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  CAS-BOT-BC251161  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh. Comment
  RSA0028934  Myriophyllum verticillatum Barbara Ertter 1988-11-5 8034 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC260070  Nassella lepida Peter Rubtzoff 1952-6-3 1149 Sonoma S slopes of Fitch Mountain, near Healdsburg Comment
  SEINET4559079  Nassella manicata M. Barkworth, D. Amme 1989-1 5170 Sonoma About 2 mi north of Jenner of US 1 Comment
  CAS-BOT-BC260283  Nassella pulchra G. DeNevers 1981-5-5 952 Sonoma Pepperwood Ranch. Along the road by Pippindale Garden Comment
  UC1133201  Nassella pulchra H. S. Yates 1934-4-21 3832 Sonoma 2 mi n County Farm; Santa Rosa Quadrangle Comment
  UCD87447  Nassella pulchra A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3562 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC60516  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC60518  Nasturtium officinale Peter Rubtzoff 1955-8-13 2046 Sonoma Duncans Mills Marsh. In upper portion of marsh. Comment
  UCD116102  Nasturtium officinale Terri Williamson 1990-5-20 65 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CAS-BOT-BC60524  Nasturtium officinale Dorothy Scherer 1997-5-7 103 Sonoma Southeast of largest Sag Pond, Fort Rose State Historic Park. 106 Comment
  CAS-BOT-BC479713  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, lower E slope, c. 0.2 mi SE of intersection of Lewis Creek and Felder Creek 151 Comment
  SD7675  Navarretia heterodoxa M. Bioletti 1891-1 Sonoma Hords Peak Comment
  CAS-BOT-BC230371  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1974-5-26 7466 Sonoma On Bennett Valley Road, 4.25 miles W of Glen Ellen Comment
  UC583200  Navarretia leucocephala subsp. bakeri Alice Eastwood and John Thomas Howell 1936-5-19 2520 Sonoma 2 mi n Windsor Comment
  UCR224692  Navarretia leucocephala subsp. bakeri Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  JEPS70380  Navarretia leucocephala subsp. plieantha Joseph Andorfer Ewan 1935-5-13 9265 Sonoma near Wright School (Sebastopol road) Comment
  SEINET7067340  Navarretia pubescens A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  CDA16122  Navarretia squarrosa G. F. Hrusa, M. Gillogly 2000-7-26 15675 b Sonoma North Coast Biodiversity Arena; Leslie Creek approx. 1/4 mi. above Mark West Springs road crossing. Comment
  LA206733  Navarretia squarrosa John Thomas Howell; 1938-7-3 13951 Sonoma Stony Point Comment
  UC23886  Navarretia viscidula Harley P. Chandler 1900-5-25 673 Sonoma Bodega Comment
  RSA94353  Navarretia viscidula Peter Rubtzoff 1951-7-21 523 Sonoma Pitkin Marsh near Forestville; dry ground bordering the Upper Marsh in the west Comment
  CDA11326  Nemophila heterophylla G. F. Hrusa 1995-4-2 12036 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE corner of Hwy. 128 and Ida Clayton Rd. Knights Valley. Comment
  UC107230  Nemophila heterophylla Mrs. Swett Apr. 1901 Sonoma Windsor Comment
  CHSC57470  Nemophila menziesii John Hale 1990-4-12 19 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  UC972194  Nemophila menziesii Milo S. Baker 1952-3-20 12392 Sonoma Western outskirts of Sonoma 5th St. near Bettencourt; western outskirts of Sonoma Comment
  UCD120242  Nemophila menziesii var. atomaria G. F. Hrusa; R. Gross 1998-3-14 14152 Sonoma Foote Ranch, NW base of Mt. St. Helena, corner of Ida Clayton Rd. and Hwy 128. Near 2nd pond on Foote Creek. North Coast Biodiversity Arena. 110 Comment
  CAS-BOT-BC157971  Nicotiana Peter Rubtzoff 1974-8-3 7793 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River Comment
  UCD148416  Nicotiana quadrivalvis Peter Rubtzoff 1959-9-19 4284 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  HSC8113  Notholithocarpus densiflorus var. densiflorus F. Demostene 1966-4-4 20 Sonoma 1 mi. W of Healdsburg Comment
  CAS-BOT-BC400125  Nuphar polysepala Peter Rubtzoff 1964-8-20 5468 Sonoma 1 mi. southeast of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  CAS-BOT-BC400127  Nuphar polysepala Mary P. Wells 1984-7-20 368 Sonoma Sagpond east of Timber Ridge Road near the air strip. The Sea Ranch Comment
  UC12460  Oemleria cerasiformis J. Burtt Davy 1896-3-13 1645 Sonoma Duncan's Mills Comment
  UCD15529  Oenothera cheiranthifolia Gregory J. Lowenberg 1988-4-16 22 Sonoma 100 m E. of Horshoe Cove, Bodega Head. 12 Comment
  CAS-BOT-BC368012  Orobanche californica subsp. jepsonii Greg de Nevers 1989-12-16 9123 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Top of High Hill. 400 Comment
  CAS-BOT-BC361408  Orobanche fasciculata Greg de Nevers 1997-5-17 11004 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. On Oak Hill Ranch burn. 457 Comment
  UCSC000707  Orobanche fasciculata Merle Randall 1930-9-6 s.n. Sonoma Cliff, shore above mouth of Russian River Russian River Comment
  CAS-BOT-BC500335  Orobanche uniflora subsp. occidentalis J. W. Congdon 1880-4-13 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC500337  Orobanche uniflora subsp. occidentalis Barrett Anderson 1986-4-9 2872 Sonoma Ida Clayton Rd, N of Kellogg 745 Comment
  CAS-BOT-BC368046  Orthocarpus Greg de Nevers 1989-4-1 9055 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC238409  Orthocarpus Charles Piper Smith 1948-6-4 48340 a Sonoma Local road - Sebastopol, 1.5 miles west Comment
  CAS-BOT-BC238410  Orthocarpus Charles Piper Smith 1948-6-4 48340 b Sonoma Local road - Sebastopol, 1.5 miles west Comment
  SEINET13754683  Orthocarpus W. Roderick 1967-5-13 s. n. Sonoma N. of Steward's Pt. 15 Comment
  CAS-BOT-BC7012  Orthocarpus castillejoides Alice Eastwood; John Thomas Howell 1936-5-19 2518 Sonoma 2 miles N of Windsor 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
  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
  RSA402033A  Orthocarpus lacerus Christopher Davidson 1977-6-20 6006 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UCD127786  Osmorhiza berteroi J. M. Tucker 1951-6-26 2138 Sonoma beside road from Oakville to Glen Ellen, near summit of the range. Comment
  SEINET10545679  Osmorhiza chilensis David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20704 Sonoma 2 mi NW of Forestville on Hwy 116. Comment
  SEINET5145410  Oxalis oregana Unknown 1994-4-3 71 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  HSC24669  Oxalis oregana F. Demostene 1966-4-12 42 Sonoma 25 mi. W of Healdsburg. Comment
  CAS-BOT-BC316929  Packera greenei Mrs. H. C. Cantelow 1938-5-15 3434 Sonoma s. of The Geysers Comment
  CAS-BOT-BC254465  Panicum Peter Rubtzoff 1986-9-28 9749 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC254467  Panicum Peter Rubtzoff 1983-8-28 9670 Sonoma Austin Creek ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  RSA784566  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River bottom at Forest HIlls, 5.5 mi east of Guerneville. Comment
  UCD165323  Panicum Peter Rubtzoff 1973-8-20 7232 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  SEINET10849964  Panicum P. Rubtzoff 1968-9-21 Rubtzoff 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC971699  Panicum acuminatum var. acuminatum Leo Koch 1940-4-22 825 Sonoma bare slopes around Sulphur Creek Geysers (e of Cloverdale); Inner North Coast Ranges, Sulfur Creek Geysers Comment
  RSA94264  Panicum acuminatum var. acuminatum Peter Rubtzoff 1951-6-7 134 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  UCD33493  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD89128  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 f Sonoma North East part of county. The Geysers, Comment
  UCD89129  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7149 Sonoma North East part of county. 'The Geysers', Big Sulphur Creek. Comment
  UCD89132  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, Comment
  CAS-BOT-BC253774  Panicum capillare Peter Rubtzoff 1956-9-14 2862 Sonoma Russian River bottom, Vacation Beach, near Guerneville Comment
  CAS-BOT-BC253824  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, at base of Al Cuneo's driveway 487 Comment
  CAS-BOT-BC253861  Panicum miliaceum P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar ranch Comment
  CAS-BOT-BC7044  Panicum thermale Henry Nicholas Bolander 1860-1-1 3941 Sonoma Geysers Comment
  UC1146648  Parapholis incurva Freed W. Hoffman 1941-6-22 2194 Sonoma Sonoma Coast mouth of Salmon Creek; North Coast Ranges, , Sonoma Coast Comment
  JEPS86295  Parentucellia latifolia Jack and Betty Guggolz 1989-5-5 1012 Sonoma Comment
  JEPS112829  Parentucellia viscosa Dean W. Taylor 1994-5-4 14218 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  RSA32186  Parentucellia viscosa Roxana S. Ferris, I. L. Wiggins 1943-4-30 10166 Sonoma 4 miles north of Asti, between Asti and Cloverdale. Comment
  UCD164207  Paspalum dilatatum 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
  SEINET12330325  Pedicularis densiflora W. Knight, Knight, I. 1986-1 5318 Sonoma Access from Healdsburg-Geyser Road 853 Comment
  CAS-BOT-BC257365  Pelargonium Peter Rubtzoff 1974-6-9 7585 Sonoma Upper Green Valley Marsh area. Comment
  CDA14391  Pennisetum clandestinum L. Correia 1996-4-15 Sonoma from vacant lot in San Francisco to be planted at Thornton Ranch, 19600 Brookline, Sonoma. 0 Comment
  UC1238920  Penstemon heterophyllus var. purdyi Freed W. Hoffman 1947-4-20 654 Sonoma near Guerneville (headwaters of Fife Creek, Del Preti Hill); North Coast Ranges, headwaters Fife Creek Comment
  UC1980579  Penstemon heterophyllus var. purdyi James L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 mile south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles south east of Santa Rosa Comment
  JEPS83484  Penstemon newberryi var. sonomensis Jack and Betty Guggolz 1986-5-27 876 Sonoma just to the nw lookout on Mt. St. Helena; nw of the lookout on Mt. St. Helena Comment
  CAS-BOT-BC245723  Penstemon newberryi var. sonomensis Rimo Bacigalupi 1920-5-30 s.n. Sonoma Summit of Mt. St. Helena, Lake-Sonoma Co. 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
  CAS-BOT-BC71730  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-3 1164 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  JEPS128377  Pentagramma triangularis subsp. triangularis Roger Raiche 2000-4-23 044 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC399562  Pentagramma triangularis subsp. triangularis C. F. Sonne April 1887 208 Sonoma White Sulphur Springs near Vallejo Comment
Read comments
1
  UCD151298  Perideridia kelloggii James A. Neilson Jr. 1974-7-25 2896 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  CAS-BOT-BC413639  Persicaria amphibia Peter Rubtzoff 1971-6-25 6556 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413646  Persicaria amphibia Peter Rubtzoff 1958-9-6 3970 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road) Comment
  CAS-BOT-BC413741  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC418895  Persicaria hydropiperoides Greg de Nevers 1987-7-10 8237 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC418913  Persicaria hydropiperoides Peter Rubtzoff 1961-9-6 4739 Sonoma Laguna de Santa Rosa area northeast of Graton Comment
  CAS-BOT-BC418897  Persicaria hydropiperoides Peter Rubtzoff 1951-7-1 349 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  CAS-BOT-BC540804  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC419422  Persicaria punctata Peter Rubtzoff 1952-10-26 1334 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UC35660  Petasites frigidus var. palmatus J. Burtt Davy March 1896 1639 Sonoma near Duncan's Mills Comment
  JEPS18122  Petrorhagia nanteuilii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek (at base of The Butcher Knife); along secondary road following Big Austin Creek 182 Comment
  UC660063  Phacelia californica Alan A. Beetle 1941-7-8 2857 Sonoma rocky bluff 1 mi n Steward Point Comment
  SD72106  Phacelia distans H. S. Yates 1934-4-21 Sonoma Near Bodega Comment
  UC1069266  Phacelia distans H. S. Yates 1934-4-21 3799 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UC107445  Phacelia distans J. W. Congdon 1880-4-9 Sonoma Petaluma Comment
  RSA0056425  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma Moon Mountain Road. Comment
  JEPS35562  Phacelia egena L. R. Heckard 1964-6-11 1370 Sonoma along Trenton-Healdsburg road (Eastside Rd) 2 1/2 mi s junction with Windsor River Road Comment
  SEINET12327821  Phacelia imbricata F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -082 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD120591  Phacelia imbricata John Thomas Howell 1929-6-9 4307 Sonoma On road to Petrified Forest, 7.5 miles from Santa Rosa. Comment
  CAS-BOT-BC154988  Phalaris Peter Rubtzoff 1974-5-11 7406 Sonoma Laguna de Santa Rosa E of Sebastopol (south of Hwy. 23 crossing). Comment
  CAS-BOT-BC258847  Phalaris angusta Peter Rubtzoff 1962-6-19 4921 Sonoma Sonoma County Marshes. Occidental Marsh Comment
  CAS-BOT-BC258951  Phalaris aquatica David L. Morgan 1958-8-9 s.n. Sonoma 2 mi. N. of Occidental on Bohemian Highway Comment
  UCD88569  Phalaris californica P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC265913  Phalaris lemmonii David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road 1/2 mile west of junction of Arnold Drive Comment
  RSA783844  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh. Comment
  UCR244625  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC265941  Phalaris minor Peter Rubtzoff 1962-6-13 4904 Sonoma Freestone Marsh Comment
  CAS-BOT-BC135034  Phoradendron bolleanum Roxana S. Ferris 1962-4-14 13584 Sonoma on ridge ca. 1/8 mi. beyond County dump Comment
  CAS-BOT-BC171221  Phoradendron serotinum subsp. tomentosum Walter Knight; Irja Knight 1963-12-27 450 Sonoma On Pine Flat Rd. Comment
  SEINET11912073  Physocarpus capitatus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -264 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Road 150 Comment
  UCD158852  Pickeringia montana James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2923 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  CAS-BOT-BC173848  Picris echioides Peter Rubtzoff 1964-8-26 5489 Sonoma Marsh, 5 miles northeast of Penngrove on Lichan Road. 213 Comment
  RSA796379  Picris echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncan Mills Marsh Comment
  UCD134384  Pinus attenuata J. M. Tucker 1951-6-26 2142 Sonoma Near Top of the World Ranch, about 5 miles due east of Glen Ellen. Comment
Read comments
Nov 30 2017
  NY49679  Pinus contorta var. contorta S. Flowers 1988-2-5 s.n. Sonoma Sonoma Road marker, Highway 1, 52.32 mile at Pebble Beach Access trail, across Sea Ranch. Tree located 20 ft. west of Highway 1 and 12 ft. north off parking entrance 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
  POM316057  Pinus muricata Patricia Wilder 1965-6-10 3652 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  SBBG55586  Pinus muricata D. I. Axelrod 1983-7-7 E- 3 Sonoma St Hwy 1, vicinity of Salt Point; ISOTYPE: P. muricata var. borealis 76 Comment
  UCD134772  Pinus muricata Chris Bowen 1974-6-6 143 Sonoma On side of first hills east of Highway 1; Sea Ranch, near State Highway 1. 36 Comment
  UCD158878  Pinus ponderosa James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2900 Sonoma Mayacmas Mountains; northeast corner of Section 15, southwest of The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  UCSC008262  Piperia elegans Ron Coleman 1989-6-24 1281 -P, 1282-P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  JEPS87245  Pisum sativum Jack and Betty Guggolz 1991-5-20 1139 Sonoma about 1 mi s Asti (on w side of Highway 101) 97 Comment
  CAS-BOT-BC166764  Plagiobothrys Peter Rubtzoff 1972-4-23 s.n. Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC176145  Plagiobothrys Peter Rubtzoff 1969-5-11 6032 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UCR254850  Plagiobothrys Greg de Nevers 1998-5-5 11229 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; on Weimar Flat 400 Comment
  CAS-BOT-BC154993  Plagiobothrys Peter Rubtzoff 1970-5-16 6217 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC156307  Plagiobothrys Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC166921  Plagiobothrys Peter Rubtzoff 1971-7-23 6612 Sonoma Laguna, Chileno Valley. Comment
  UC1277974  Plagiobothrys bracteatus B. Crampton 1957-7-11 4312 Sonoma 1.4 mi se Bodega Bay (ditch along State Hwy 1) Comment
  UCR105441  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5169 Sonoma Laguna de Santa Rosa, east of Graton Comment
  RSA639272  Plagiobothrys bracteatus R. F. Thorne 1965-4-19 34276 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA783722  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC290697  Plantago Peter Rubtzoff 1971-6-26 6574 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC376388  Plantago coronopus Greg de Nevers 1993-4-26 10403 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mountain House driveway. 400 Comment
  UCD158837  Plantago coronopus Michael A. Vincent; Ethan H. Freid 1998-4-8 8175 Sonoma Sonoma County, Bodega Bay. University of Californai (Davis) Bodega Bay Marine Reserve, off Bodega Rd. Bodega Head. Comment
  JEPS128243  Plantago erecta Roger Raiche 2000-5-4 070 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD88561  Plantago erecta Darley F. Howe 1972-5-3 4819 Sonoma Ocean bluff, 4.0 miles north of Ft. Ross. Comment
  UC730039  Plantago lanceolata Leo F. Koch 1940-4-18 790 Sonoma 3 mi from Occidental (to Freestone) Comment
  UCR248875  Plantago major Peter Rubtzoff 1958-7-19 3763 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC258381  Plantago subnuda Peter Rubtzoff 1968-7-29 5922 Sonoma Upper Salmon Creek Marsh. Comment
  UCSB50227  Plantago subnuda Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6N RllW 15 Comment
  CAS-BOT-BC92120  Platystemon californicus A. A. Heller; H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  CAS-BOT-BC92129  Platystemon californicus F. Almeda; G. DeNevers 1981-3-30 4882 Sonoma Pepperwood Ranch. Vicinity of the Bechtel Cabin. Comment
  UC1073296  Platystemon californicus George B. Rossbach 1955-3-19 279 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  CAS-BOT-BC92125  Platystemon californicus Peter H. Raven 1955-3-20 8242 Sonoma One mile west of Schelville. Comment
  SD88404  Platystemon californicus Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  SD71039  Pleuropogon californicus David L. Morgan 1961-4-25 Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati Comment
  UC573891  Pleuropogon californicus H. S. Yates 1937-6-5 6575 Sonoma near Wildwood 121 Comment
  UCD84099  Pleuropogon californicus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC260971  Pleuropogon californicus var. californicus Peter Rubtzoff 1961-5-24 4601 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC260986  Pleuropogon californicus var. californicus A. A. Heller 1902-4-15 5294 Sonoma Santa Rosa Comment
  UCD90113  Pleuropogon californicus var. californicus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3613 Sonoma on the Occidental Road near Barstow station. Comment
  CAS-BOT-BC260972  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-5-10 3644 Sonoma Laguna de Santa Rosa east of Cunningham near Llamo Road Comment
  UCD90133  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2418 Sonoma 3 miles northwest of Cotati, Llano Road. Comment
  UCD90135  Pleuropogon californicus var. californicus Beecher Crampton 1956-3-12 3220 Sonoma Alexander Valley Store. Comment
  RSA336123  Pleuropogon hooverianus Paul But 1974-4-6 P 3 Sonoma Along Bohemian Hwy at Freestone Flat Road, 0.5 mile from Freestone. Comment
  CAS-BOT-BC255602  Poa annua Peter Rubtzoff 1953-5-16 1361 Sonoma Vacation Beach, near Guerneville, Banks of Russian River Comment
  JEPS71268  Poa annua Virginia Bufford 1932-9-23 574 Sonoma 4 mi sw Santa Rosa Comment
  UC1132643  Poa howellii H. S. Yates 1936-5-16 5608 Sonoma 1 mi nw Mountain View School; Sebastopol Quadrangle Comment
  CAS-BOT-BC256036  Poa pratensis Peter Rubtzoff 1963-6-5 5153 Sonoma Brooks Gulch Marsh Comment
  POM204982  Poa secunda A. A. Heller 1902-4-9 5245 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  POM204983  Poa secunda A. A. Heller 1902-4-9 5249 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  UCD91719  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma SW of Cotati. Comment
  CAS-BOT-BC243256  Poa secunda subsp. secunda G. DeNevers 1982-3-28 1943 A Sonoma Sugarloaf Ridge State Park, near the parking lot Comment
  CAS-BOT-BC244194  Poa trivialis Peter Rubtzoff 1962-5-25 4831 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road crossing Comment
  CAS-BOT-BC244198  Poa trivialis Peter Rubtzoff 1955-7-17 1972 Sonoma Guerneville Marsh Comment
  UCD92096  Poa trivialis Beecher Crampton 1955-6-17 2939 Sonoma 0.5 mile south of Guerneville. Comment
  UCD92147  Poa unilateralis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  UCD92150  Poa unilateralis P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  JEPS86354  Pogogyne douglasii subsp. parviflora Jack and Betty Guggolz 1988-5-10 930 Sonoma Grill Property, on east side of Old Redwood Hwy, just north of its intersection with Starr Road Comment
  POM283137  Pogogyne douglasii subsp. parviflora Lyman Benson 1930-6-18 2163 Sonoma South of Santa Rosa. 61 Comment
  JEPS69888  Polemonium carneum J. Ewan 1935-5-13 9207 Sonoma road 2 mi w Bodega; Bodega Bay, w <of> Bodega Comment
  CDA31279  Polygala californica D. G. Kelch, Ed Biffin 2010-5-3 10 .199 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  RSA132211  Polygala californica Delzie Demaree 1955-6-12 36976 Sonoma Westminister Woods. P.O. Camp Meeker Comment
  RSA135339  Polygala californica Volney Rattan 1877-6-17 s.n. Sonoma Guernville Comment
  SEINET12205547  Polygala californica J. T. Vale, Wagnon, H. K. 1988-1 s.n. Sonoma Skaggs Springs Road between Annapolis Road and Lake Sonoma Comment
  UC1562675  Polygonum aviculare subsp. aviculare Barbara Ertter 1988-11-5 8026 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  CAS-BOT-BC414114  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1954-8-4 1650 Sonoma Guerneville 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
  CAS-BOT-BC414280  Polygonum aviculare subsp. depressum Peter Rubtzoff 1961-8-22 4681 Sonoma Fife Creek Marsh Comment
  SEINET11935782  Polygonum marinense P. G. Conners 1991-1 Sonoma Bodega Marine Reserve salt marsh Comment
  SEINET11935784  Polygonum marinense P. G. Conners 1991-1 Sonoma Bodega Marine Reserve salt marsh Comment
  POM144838  Polygonum punctatum A. A. Heller 1902-8-20 6053 Sonoma Lagoon at Scbastopol Comment
  POM225313  Polygonum punctatum J. T. Howell 1932-9-18 10770 Sonoma Kenwood Marsh near Kenwood Comment
  JEPS128353  Polypodium Roger Raiche 2000-5-5 083 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UC62436  Polypodium J. Burtt Davy 1896-3-14 1662 Sonoma Austin Creek Comment
  UC71487  Polypodium Bioletti 1894-1 Sonoma Kenwood Comment
  UCR218739  Polypodium californicum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16227 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC72010  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa Comment
  UC1063661  Polypodium scouleri H. S. Yates 1934-4-21 3797 Sonoma near Bodega; Sebastopol Quadrangle Comment
  CAS-BOT-BC350942  Polypogon Peter Rubtzoff 1968-9-21 5981 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD90966  Polypogon australis Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-28 89 A Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC233193  Polypogon interruptus Peter Rubtzoff 1955-5-21 1868 Sonoma Forestville Marsh Comment
  CAS-BOT-BC233188  Polypogon interruptus Mary P. Wells 1982-8-23 s.n. Sonoma Stump Beach, Salt Point State Park Comment
  UCD51671  Polypogon interruptus Collector unknown 1941-10-1 Sonoma Santa Rosa Creek by S.P. R.R. Comment
  CAS-BOT-BC233225  Polypogon maritimus Peter Rubtzoff 1961-6-17 4628 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC233227  Polypogon maritimus Peter Rubtzoff 1962-9-16 5084 Sonoma Russian River bottom, Vacation Beach, 2 miles below Guerneville Comment
  CAS-BOT-BC237398  Polypogon monspeliensis Greg de Nevers 1981-5-12 1142 Sonoma Pepperwood Ranch. At the Red Corral, Old McCann Homestead Comment
  CAS-BOT-BC237406  Polypogon monspeliensis Peter Rubtzoff 1955-7-9 1935 Sonoma Forestville Marsh Comment
  UC1023579  Polypogon monspeliensis Virginia Bufford 1936-5-19 257 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UCD91340  Polypogon monspeliensis P. B. Kennedy 1920-6-17 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  UC1400815  Polystichum californicum Michener and Bioletti June, 1893 Sonoma Adobe Canyon Comment
  RSA302173  Polystichum californicum Jim Shevock 1971-3-21 812 Sonoma Near Sugarloaf St Park 152 Comment
  SEINET11718542  Polystichum californicum W. Knight, Knight, I.; Ellman, P. 1986-1 5850 Sonoma Bouverie Audubon Preserve, 0.75 mi E of parking log along fire road 46 Comment
  SEINET11718544  Polystichum californicum W. Knight, Knight, I.; Edwards, S. W. 1986-1 5509 Sonoma 2.75 mi from end of Mill Creek Road Comment
  SBBG298  Polystichum munitum H. and M. Dearing 1939-5-15 3386 Sonoma N of Fort Ross Comment
  CAS-BOT-BC108549  Populus balsamifera Peter Rubtzoff 1986-8-31 9737 Sonoma On river bank off Summerhome Park road 0.2 mile west of Forest Hills Road Comment
  CAS-BOT-BC102664  Populus fremontii G. DeNevers 1982-5-3 1990 Sonoma At the Trapper's Cabin, Pepperwood Ranch Comment
  CAS-BOT-BC102668  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh 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-BC445293  Portulaca oleracea Peter Rubtzoff 1958-8-30 3941 Sonoma Russian River. Vacation Beach near Guerneville. Comment
  CAS-BOT-BC376233  Potamogeton Greg de Nevers 1992-8-16 10246 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Franz Creek 304 Comment
  CAS-BOT-BC376364  Potamogeton Greg de Nevers 1992-6-8 10159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC267175  Potamogeton foliosus 1877-6-6 s.n. Sonoma Russian River, Guerneville Comment
  CAS-BOT-BC251265  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  RSA800785  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area Comment
  RSA800841  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  UCD113695  Potentilla anserina subsp. pacifica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 097 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC141951  Potentilla anserina subsp. pacifica Peter Rubtzoff 1960-5-18 4386 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141952  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-8-9 1659 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141960  Potentilla anserina subsp. pacifica Ella Dales Cantelow 1938-5-7 2404 Sonoma 2 1/2 mi n.w. of Bodega Comment
  UCD113693  Potentilla anserina subsp. pacifica Linda A. Bell 1975-5-18 171 Sonoma Bay Flat Road, ca. 0.5 mile north of University of California's Bodega Head Marine Laboratory. Comment
  CAS-BOT-BC516400  Prosartes hookeri G. DeNevers 1981-5-9 1082 Sonoma Pepperwood Ranch Comment
  UC1288499  Prunella vulgaris var. vulgaris Andrew P. Nelson 1960-8-3 646 A Sonoma Pitkin Marsh Comment
  CAS-BOT-BC159902  Prunus emarginata T. E. Rawlins 1942-9-1 s.n. Sonoma Fort Ross Comment
  RSA0060111  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In canyon west of Phillip's Garden. 100 Comment
  UCR255689  Prunus virginiana var. demissa Greg de Nevers 1998-4-27 11206 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  CAS-BOT-BC356498  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-10-3 379 Sonoma Off ramp freeway US 101 & Railroad Ave., Cotati Comment
  CAS-BOT-BC361619  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-8-13 311 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC361624  Pseudognaphalium stramineum R. E. Frenkel 1964-6-22 614 Sonoma On California Hwy. 1 at Sonoma Coast S.P., south of Coleman Beach 18 Comment
  UC75921  Pseudognaphalium thermale Miss M. Alice King 1896-9-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC80183  Pseudotsuga menziesii Peter Rubtzoff 1951-8-18 636 Sonoma Western branch of the Upper Marsh Comment
  POM21757  Pseudotsuga menziesii A. A. Heller, H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  UCD166076  Psilocarphus Peter Rubtzoff 1971-6-5 6512 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166788  Psilocarphus Peter Rubtzoff 1974-6-9 7587 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC176173  Psilocarphus Peter Rubtzoff 1970-5-16 6229 Sonoma 5 miles north of Sears Point. Comment
  UC1601292  Psilocarphus oregonus E. Palmer Sonoma Petaluma Comment
  UCD135312  Psilocarphus tenellus Mary M. Hektner 1974-7-5 125 Sonoma between what will be Helm and Sea Stack; Unit 35-C Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC157682  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  UC1481822  Pteridium aquilinum var. pubescens Mrs. Carlotta C. Hall June 1909 11 a Sonoma near Guerneville (n bank Russian River, Guernewood Park) Comment
  CAS-BOT-BC460851  Pyrola aphylla Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC466309  Pyrola picta Greg de Nevers 1991-7-9 9756 Sonoma Pepperwood Natural Reserve, 3450 Franz Valley Rd. 475 Comment
  UCD148523  Quercus X chasei G. F. Hrusa 1994-10-25 11915 Sonoma Austin Creek State Recreation Area. Gilliam Creek, immediately below Bullfrog Pond Camp. 160 Comment
  CAS-BOT-BC94705  Quercus X howellii G. De Nevers 1981-9-5 1824 Sonoma Pepperwood Ranch. In the Garrison Yard, between the Blue Damson Plum and the Oregon Oak Comment
  CAS-BOT-BC104409  Quercus X subconvexa G. DeNevers 1981-9-12 1834 Sonoma Pepperwood Ranch, on S slope of the hill above the Betchel Cabin Comment
  CAS-BOT-BC61631  Quercus agrifolia Lewis S. Rose 1960-9-14 60097 Sonoma Laguna de Santa Rosa 4 mi. ne. of Graton 15 Comment
  UC1193299  Quercus agrifolia P. Zinke 1950-4-25 116 Sonoma 4 mi e Cloverdale (Quad. 61A4) 365 Comment
  UC503093  Quercus agrifolia Joseph P. Tracy 1930-11-30 9273 Sonoma below Knights Valley; North Coast Ranges 152 Comment
  UCD45024  Quercus agrifolia Joseph P. Tracy 1939-10-14 16513 Sonoma Alexander Valley. Foothills 4 miles S.E. of Geyserville. Abundant tree. 121 Comment
  UCD45135  Quercus agrifolia Christine Lee 1993-4-23 87 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail. Elev. 1400'. 426 Comment
  CAS-BOT-BC79572  Quercus dumosa John Thomas Howell 1946-3-31 21592 Sonoma Hills coast fo Sonoma Comment
  UCD165505  Quercus durata J. B. Spring and R. W. Lundh 1932-6-27 88 Sonoma California, Sonoma County: Santa Rosa, CA, 1.5 mi. south of McCormack Ranch. (Exact location unknown, coordinates estimated by label maker.) 754 Comment
  SJSU10158  Quercus garryana A. W. Jacobs 1946-8-15 Sonoma by Russian R, N of Forestville Comment
  SJSU16079  Quercus garryana Allen W. Jacobs 1934-8-1 2 Sonoma Near the Hilton in Russian River Comment
  CAS-BOT-BC105482  Quercus kelloggii Mrs. E. C. Suttiffe 1921-9-5 s.n. Sonoma Valley of the Moon, London's Place Comment
  SEINET12031933  Quercus kelloggii W. Knight, Knight, I.; Knight, T. 1985-1 6350 Sonoma between Jimtown and geothermal area Comment
  CAS-BOT-BC62805  Quercus lobata Greg de Nevers 1981-9-5 1815 Sonoma Pepperwood Ranch, at Hansel's Corral, by the bottom of the Studio Road Comment
  CHSC78082  Quercus lobata David Cheetham 1998-6-26 33 Sonoma I street extension, Petaluma. 43 Comment
  UCD14500  Quercus parvula var. shrevei Steven J. Barnhart 1995-2-1 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
  UC1193229  Quercus wislizeni var. frutescens R. H. Neuns 1950-5-5 103 Sonoma 3.5 mi w Mercuryville 731 Comment
  UCD47610  Quercus wislizeni var. frutescens Frederica Bowcutt 1994-6-25 1921 Sonoma Sugarloaf Ridge State ParkAbout 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. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. Confirmed by K. Mawdoley 21 Oct 1996. 670 Comment
  CDA130  Quercus wislizeni var. wislizeni D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .282 Sonoma Cavedale Rd. Comment
  UCR254942  Rafinesquia californica Greg de Nevers 1997-4-16 10944 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 Comment
  POM268394  Ranunculus californicus Lyman Benson 1935-3-31 6405 Sonoma Hwy 101, N Coast, Russian River. 244 Comment
  UCD95929  Ranunculus californicus Beecher Crampton 1973-5-5 8929 Sonoma Sonoma Coast State Park at Carment. Comment
  CAS-BOT-BC378683  Ranunculus californicus var. californicus G. H. Mallory 1920-3-29 s.n. Sonoma east end of Sonoma Ave Comment
  CAS-BOT-BC378694  Ranunculus californicus var. californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC378698  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5055 Sonoma near Santa Rosa Comment
  SEINET3160888  Ranunculus californicus var. crassifolius L. S. Rose 1939-4-2 39051 Sonoma 3 mi. n. of Bodega Bay Comment
  POM150446  Ranunculus californicus var. gratus A. A. Heller, H. E. Brown 1902-3-16 5078 Sonoma Russian River, Near Trenton. Comment
  POM150531  Ranunculus lobbii A. A. Heller 1902-3-14 s.n. Sonoma Near Windsor. Comment
  RSA785702  Ranunculus lobbii Carrie A. Herd 1982-3-16 26 Sonoma Santa Rosa, Todd Road Preserve Comment
  JEPS55143  Ranunculus muricatus W. L. Jepson 1914-4-11 5803 Sonoma Sonoma Valley 35 Comment
  UC1542900  Ranunculus occidentalis H. E. and S. T. Parks 1930-5-9 614 Sonoma Alexander Valley; on banks of stream entering valley Comment
  UCSB2075  Ranunculus occidentalis Keator, Glenn 1959-4-1 Sonoma 8.1 miles east of Digger Indian Reservation on Stewart Point-Geyserville highway. Comment
  POM281530  Ranunculus orthorhynchus var. bloomeri J. W. Congdon 1880-04 s.n. Sonoma Petaluma. Comment
  UC136318  Ranunculus orthorhynchus var. bloomeri Katharine Brandegee June 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UC72899  Ranunculus orthorhynchus var. bloomeri Miss M. Alice King April, 1897 Sonoma near Healdsburg Comment
  RSA94331  Ranunculus orthorhynchus var. bloomeri Peter Rubtzoff 1951-6-2 101 Sonoma Western branch of the Upper Marsh Comment
  CDA18779  Raphanus sativus Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  UCD81448  Raphanus sativus M. Wiesendanger 1927-5-5 716 Sonoma Sonoma. Comment
  RSA181374  Rhamnus californica James I. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S of the Geysers. Comment
  UC1121748  Rhamnus californica R. W. Lundh 1932-7-19 121 Sonoma 1 mi nw Los Alamos School; Santa Rosa Quad. 518 Comment
  CAS-BOT-BC55940  Rhamnus crocea D. E. Breedlove 1980-6-28 44796 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC55945  Rhamnus crocea G. DeNevers 1981-4-30 893 Sonoma W arm of Garrison Canyon Comment
  UC73371  Rhamnus crocea Milo S. Baker 1898-4-23 26 Sonoma Santa Rosa Creek Canyon Comment
  UC1193389  Rhamnus tomentella subsp. tomentella R. H. Neuns 1950-5-20 100 Sonoma 6 mi e Geyserville 441 Comment
  CAS-BOT-BC53744  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  CDA38870  Rhododendron columbianum T. C. Fuller 1958-5-24 3996 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC227427  Rhododendron occidentale G. F. Hrusa 1988-4-22 5567 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  SEINET11993488  Rhododendron occidentale F. H. Utech 1986-1 86 -114 Sonoma ca 6 mi NE on Cavedale Road from junction with CA 12 600 Comment
  CAS-BOT-BC200345  Rhododendron occidentale var. occidentale John H. Thomas 1955-5-22 5190 Sonoma Graton - Occidental Road, about 3.5 miles west of Occidental 60 Comment
  CAS-BOT-BC200347  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC200350  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC227170  Rhododendron occidentale var. occidentale G. F. Hrusa 1988-4-22 5569 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  CHSC114305  Rhododendron occidentale var. occidentale G. F. Hrusa 1989-5-8 7006 Sonoma North Coast Ranges. Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  RSA94071  Rhynchospora alba J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  RSA90512  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh Comment
  UCD141233  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh. Comment
  UCD141235  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh, near Forestville. Upper Marsh. Comment
  RSA94074  Rhynchospora capitellata J. T. Howell 1945-8-14 s.n. Sonoma Perry Marsh Comment
  CAS-BOT-BC111935  Rhynchospora recognita Peter Rubtzoff 1951-7-21 506 Sonoma Pitkin Marsh, Damp, open area between the Upper and Lower Marshes. Comment
  CAS-BOT-BC111937  Rhynchospora recognita Peter Rubtzoff 1951-7-22 530 Sonoma Pitkin Marsh, Uppermost part of the western branch of the Upper Marsh. Comment
  POM142003  Ribes californicum A. A. Heller 1903-4-24 6364 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC93054  Ribes californicum var. californicum A. A. Heller; H. E. Brown 1902-3-21 5113 Sonoma Valley east of Santa Rosa. In Bennet. 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
  UCD102254  Ribes inerme var. inerme Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1780 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. 150 yds 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UC75437  Ribes menziesii Milo S. Baker 1899-6-26 Sonoma near Russian River (Coast Road) Comment
  RSA0021903  Ribes menziesii Peter Rubtzoff 1969-8-14 6124 Sonoma Salmon Creek Road, 3.75 mi. west of Bodega (town). Vicinity of Coleman Valley Creek. Comment
  CAS-BOT-BC362937  Rigiopappus leptocladus Alice Eastwood 1915-6-5 4587 Sonoma Petrified Forest Comment
  CAS-BOT-BC376370  Rorippa Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road. 400 Comment
  CAS-BOT-BC488331  Rorippa curvisiliqua Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  CAS-BOT-BC74710  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74715  Rorippa curvisiliqua Peter Rubtzoff 1976-9-25 8902 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA13134  Rorippa curvisiliqua G. F. Hrusa, R. Gross 1996-6-3 13069 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
  UC10728  Rorippa curvisiliqua H. N. Bolander Apr 1864 3894 Sonoma Mark West Creek Comment
  CAS-BOT-BC74704  Rorippa curvisiliqua Peter Rubtzoff 1962-6-13 4913 Sonoma Americano Creek area. Pond near Petaluma Valley Ford road just south of Bloomfield. Comment
  CAS-BOT-BC74719  Rorippa curvisiliqua Volney Rattan 1877-6-21 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC74849  Rorippa palustris var. palustris Peter Rubtzoff 1973-8-25 7259 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC74850  Rorippa palustris var. palustris Volney Rattan 1877-6-15 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC376306  Rorippa sinuata Greg de Nevers 1992-5-13 10148 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 400 Comment
  CAS-BOT-BC146769  Rosa gymnocarpa Mrs. Pettibone 1894-5-14 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC146777  Rosa gymnocarpa Dorothy Scherer 1997-5-6 107 B Sonoma Ca. 70' north of Fort Ross Rd, and .6 mi. west of Seaview Rd, Fort Ross State Historic Park 365 Comment
  CAS-BOT-BC146775  Rosa gymnocarpa G. DeNevers 1982-5-18 2034 Sonoma Near Redwoods end at the Redwoods Comment
  SEINET11912078  Rosa gymnocarpa F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -258 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC146809  Rosa nutkana Alice Eastwood; John Thomas Howell 1937-5-31 4499 Sonoma 2 miles south of Fort Ross Comment
  CAS-BOT-BC146810  Rosa nutkana Dorothy Scherer 1997-5-20 117 Sonoma West side of Hwy. 1 and south of MM. 34.00, Fort Ross State Historic Park 36 Comment
  UCD166412  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UCD166417  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC147990  Rubus leucodermis J. W. Congdon 1880-5-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC499108  Rubus parviflorus Ann Howald 2015-4-1 3312 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 11.5 mi W of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  UC1128639  Rubus parviflorus A. Lewis 1932-5-13 75 Sonoma Calabasas Creek Napa Quadrangle, Calabasas Creek 457 Comment
  UC12978  Rubus parviflorus J. Burtt Davy 1896-3-14 1679 Sonoma Fort Ross Comment
  UCD113851  Rubus parviflorus Mary M. Hektner 1974-6-28 85 Sonoma Unit 21 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET11910988  Rubus procerus F. H. Utech 1986-1 86 -118 Sonoma ca 6 mi NE on Cavedale Road from junction with CA 12 600 Comment
  JEPS76920  Rubus spectabilis Robert M. Lloyd 1963-2-24 2058 Sonoma on State Highway 1, 4 mi s State Highway 12 15 Comment
  POM91786  Rubus spectabilis var. franciscanus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC157177  Rubus ursinus A. A. Heller 1902-6-26 5774 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  HSC99998  Rubus ursinus J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12694 Sonoma Salt Point State Park Comment
  CAS-BOT-BC166721  Rumex Peter Rubtzoff 1962-6-24 4963 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River. Comment
  RSA0051277  Rumex Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 100 Comment
  RSA784602  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  UCR178427  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco and c. 11 air mi east of Santa Rosa; c. 2.5 air mi NE of Kenwood; c. 18 air mi NW of Napa. Meadow trail and Gray Pine (Digger Pine) trail, 1 mile from trailhead 396 Comment
  CAS-BOT-BC422233  Rumex acetosella Peter Rubtzoff 1951-7-21 511 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes. Comment
  UCD101040  Rumex acetosella P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC421855  Rumex conglomeratus John H. Thomas 1976-6-18 18357 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. Comment
  CAS-BOT-BC173642  Rumex obtusifolius Peter Rubtzoff 1962-9-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC433740  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  CAS-BOT-BC434141  Rumex transitorius M. S. Baker 1945-8-14 s.n. Sonoma Santa Rosa Junior College, Santa Rosa Comment
  CAS-BOT-BC434142  Rumex transitorius Alice Eastwood; John Thomas Howell 1938-7-6 6087 Sonoma Alder Glen Springs Comment
  RSA216138  Ruppia maritima Peter Rubtzoff 1962-8-3 5033 Sonoma Lower Salmon Creek Marsh. In rather deep water of Salmon Creek. Comment
  UC1153923  Rytidosperma penicillatum Beecher Crampton 1957-7-22 4358 Sonoma along State Hwy 1 2 mi n Stewart's Point Comment
  CAS-BOT-BC249307  Sagina Peter Rubtzoff 1959-4-18 4026 Sonoma Laguna de Santa Rosa, northeast of Graton, ca. 0.5 miles north of Guerneville Road crossing. Comment
  CAS-BOT-BC445691  Sagittaria cuneata Peter Rubtzoff 1955-7-30 1993 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC290655  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh. Comment
  UCR250389  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek, 0.25 mi. south of Freestone 64 Comment
  RSA0018589  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  CAS-BOT-BC125946  Salix X rubens Milo S. Baker 1928-3-12 2734 b Sonoma Hawkins Residence Comment
  CAS-BOT-BC135954  Salix alba subsp. vitellina Walter Knight; Irja Knight 1986-3-3 5246 Sonoma Junction Stage Gulch Road and Old Adobe Rd., at edge of summer-dry creek. Comment
  CAS-BOT-BC103949  Salix exigua Peter Rubtzoff 1952-6-15 1264 Sonoma Fitch Mtn., near Healdsburg. Bank of Russian River Comment
  JEPS30834  Salix hookeriana Rimo Bacigalupi and L. R. Heckard 1962-6-19 8590 Sonoma just n Horseshoe Cove (near Bodega) Comment
  UC453090  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 10 Sonoma Bohemian Grove near Monte Rio; Russian R. Comment
  CAS-BOT-BC128055  Salix lasiandra var. lasiandra Peter Rubtzoff 1962-5-5 4805 Sonoma Fife Creek Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC128057  Salix lasiandra var. lasiandra Peter Rubtzoff; T. J. Crovello 1964-9-3 5496 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC128100  Salix lasiandra var. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  UC1042519  Salix lasiolepis Peter Rubtzoff 1952-3-22 863 Sonoma Upper Marsh Pitkin Marsh (western branch, near Forestville) Comment
  UC1042520  Salix lasiolepis Peter Rubtzoff 1951-9-2 714 Sonoma marshy opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC453112  Salix lasiolepis W. A. Setchell 1931-8-1 26 Sonoma Jenner-by-the-Sea Comment
  UC482118  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC511621  Salix lasiolepis W. A. Setchell 1933-7-2 1 Sonoma well away from Russian R. Bohemian Grove (Monte Rio) Comment
  RSA534504  Salix lasiolepis var. bigelovii Peter Rubtzoff 1962-5-11 4812 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC126186  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 342 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  UC524787  Salix scouleriana W. A. Setchell 1934-7-10 5 Sonoma Coast Hwy. above Fort Ross Comment
  UC524791  Salix scouleriana W. A. Setchell 1934-7-10 8 Sonoma Ridge Hwy. above Fort Ross Comment
  CAS-BOT-BC128942  Salix sitchensis Peter Rubtzoff 1959-6-20 4162 Sonoma Willow Creek Marsh Comment
  UCD158832  Salvia James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2922 Sonoma the Geysers, Section 14. (Elevation estimated by label maker using Google Earth.) 533 Comment
  CDA12040  Salvia sonomensis G. F. Hrusa 1990-1-2 7349 Sonoma North Coast Biodiversity Arena; Hogback Mtn., approx. 4 km. NE of Sonoma. Comment
  CAS-BOT-BC221104  Salvia sonomensis Milo S. Baker 1927-4-10 2060 a Sonoma Macartney Hill Comment
  POM117336  Sanicula bipinnatifida Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma Comment
  RSA177952  Sanicula crassicaulis R. F. Thorne 1965-4-20 34325 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA178020  Sanicula crassicaulis R. F. Thorne 1965-4-19 34313 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UCD128030  Sanicula laciniata G. F. Hrusa; R. Gross 1996-3-8 12656 Sonoma Northcoast Biodiversity Arena, Foote Creek. Foote Ranch at corner of Ida Clayton Road and Highway 128. 250 Comment
  UCD166461  Saponaria Peter Rubtzoff 1955-8-7 2028 Sonoma Guerneville Marsh. Comment
  UCD161371  Saxifraga mertensiana James A. Neilson Jr. 1976-6-18 3986 Sonoma Mayacmas Mountains. Junction of Squaw Creek and Big Sulphur Creek. (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC441176  Saxifraga mertensiana Ella Dales Cantelow 1939-4-10 2603 Sonoma 7 mi. e. of Seaview Comment
  CAS-BOT-BC441182  Saxifraga mertensiana D. E. Breedlove 1976-3-27 39450 Sonoma Grassy slope above Dry Creek west of Warm springs dam Comment
  JEPS47532  Saxifraga stolonifera Emanuel Fritz 1926-6-4 Sonoma near Sebastopol (at the Sturgeon saw mill); near Sebastopol Comment
  UCR265124  Scandix pecten-veneris Ann Howald 2015-4-1 3322 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  RSA178019  Scandix pecten-veneris R. F. Thorne 1965-4-19 34278 Sonoma Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC422364  Schedonorus arundinaceus Peter Rubtzoff 1962-6-13 4911 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC422368  Schedonorus arundinaceus Peter Rubtzoff 1960-6-9 4468 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC422370  Schedonorus arundinaceus Peter Rubtzoff 1962-5-25 4835 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC111437  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-23 3904 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llamo Road). Comment
  CAS-BOT-BC111535  Schoenoplectus americanus Peter Rubtzoff 1973-9-9 7319 Sonoma Kenwood Marsh Comment
  UCR249041  Scirpus maritimus Peter Rubtzoff 1974-9-7 7873 Sonoma Hinebaugh Creek in Rhonert Park, creek bed west of Commerce Blvd. crossing 29 Comment
  JEPS86771  Scirpus microcarpus Jack and Betty Guggolz 1990-6-19 1069 Sonoma bed Maacamas Creek on the Ferrari-Carano Ranch about 12 km e Healdsburg; Maacamas Creek on the Ferrari-Carano Ranch, e of Healdsburg 70 Comment
  JEPS74327  Scoliopus bigelovii Robert M. Lloyd 1963-2-24 2044 Sonoma abandoned picnic ground 0.5 mi. n. Occidental (on rd. to Camp Meeker) 45 Comment
  CAS-BOT-BC320539  Scrophularia californica Peter Rubtzoff 1954-8-11 1690 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC320546  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  JEPS128174  Scrophularia californica Roger Raiche 2001-5-29 041 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR249330  Scrophularia californica Peter Rubtzoff 1954-8-11 1690 Sonoma Guerneville Marsh Comment
  RSA0022386  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  SEINET12273598  Scutellaria angustifolia Unknown 1936-1 13107 Sonoma Near Healdsburg Comment
  POM63113  Scutellaria californica A. A. Heller 1902-6-23 5743 Sonoma Petrified Forest Comment
  CAS-BOT-BC376321  Scutellaria tuberosa Greg de Nevers 1993-4-27 10411 B Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  CAS-BOT-BC361396  Sedum radiatum subsp. radiatum Greg de Nevers 1993-5-17 10451 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC63942  Sedum spathulifolium John Thomas Howell 1930-6-8 5262 Sonoma 1 mile east of Bodega Bay Comment
  UCD148418  Senecio hydrophilus Peter Rubtzoff 1959-8-2 4208 Sonoma Willow Creek Marsh. Comment
  SEINET11807204  Senecio jacobaea W. Knight, Knight, I. 1984-1 5113 Sonoma near junction Hwy 1 & Headlands Beach Rd, Sea Ranch Comment
  SJSU14233  Senecio minimus C. W. Sharsmith 1989-5-14 9090 Sonoma Salt Point State Park c. 10 mi NW of Fort Ross Comment
  CAS-BOT-BC364681  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  LA16918  Sequoia sempervirens C. B. Wolf; E. R. Johnson 1934-10-13 6179 Sonoma Log Cabin Ranch inland from Gualala 304 Comment
  YM-YOSE15451  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles South in Santa Rosa in Bennet Valley Comment
  CAS-BOT-BC240153  Setaria pumila Peter Rubtzoff 1971-8-23 6657 Sonoma Meacham Road 0.35 mi. south of Stony Point Road Comment
  CAS-BOT-BC240168  Setaria verticillata Walter Knight; Irja Knight 1963-10-14 413 Sonoma Blomquist Ranch, Penngrove Comment
  RSA264737  Sherardia arvensis Peter Rubtzoff 1971-5-8 6453 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  CAS-BOT-BC290640  Sidalcea Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  RSA253002  Sidalcea diploscypha A. A. Heller 1937-5-9 15337 Sonoma Roadside bank in clay soil between Hopland and Mountain House. Comment
  CAS-BOT-BC205607  Sidalcea malviflora Dorothy Scherer 1996-6-3 049 B Sonoma M.M. 34.00 halfway to ocean. Fort Ross State Historic Park 18 Comment
  UC1013006  Sidalcea malviflora subsp. purpurea C. L. Hitchcock 1952-6-4 19584 Sonoma one mi n Ft. Ross; n of Ft. Ross Comment
  UCD116826  Sidalcea malviflora subsp. purpurea Chris Bowen 1974-5-19 134 Sonoma near Pacific Ranch, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC213171  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 196368 Sonoma Kenwood Marsh about 1/4 mile west of Kenwood. Comment
  CAS-BOT-BC290629  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  UC1013153  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 19638 Sonoma about 1/4 mi w Kenwood (Kenwood Marsh); w of Kenwood, Kenwood Marsh Comment
  CAS-BOT-BC311803  Silene Peter Rubtzoff 1974-5-19 7444 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads, near the end of Hall Road. Comment
  JEPS45851  Silene californica Eleanor Armstrong 1932-5-28 504 Sonoma 6 mi w of Graton (along Meek[s] grade); w of Graton 60 Comment
  CAS-BOT-BC392491  Silene gallica John H. Thomas 1976-6-16 18229 A Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC75372  Sisymbrium officinale Elizabeth McClintock 1969-4-11 s.n. Sonoma Property of David Pleydell-Bouverie, west of Glen Ellen. Comment
  UC77254  Sisyrinchium bellum Robert M. Lloyd 1963-4-24 2393 Sonoma 13.8 mi from State Highway 12 (on road to Oakdale) 365 Comment
  UC1134675  Smilacina stellata E. Armstrong 1934-3-26 933 Sonoma 1 mi n Camp Meeker; Sebastopol Quadrangle 121 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
  UCD167434  Solanum Peter Rubtzoff 1958-9-20 3998 Sonoma Laguna de Santa Rosa NE of Graton (0.5 mi. N Guerneville Rd). Comment
  CAS-BOT-BC164416  Solanum Peter Rubtzoff 1960-9-17 4568 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  RSA227218  Solanum americanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC361298  Solanum rostratum Greg de Nevers 1997-5-17 11002 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, on Oak Hill Ranch 457 Comment
  RSA227216  Solanum umbelliferum Peter Rubtzoff 1960-5-16 4358 Sonoma Duncans mills marsh. m thickets along streamlet in upper portion of the marsh. Comment
  UC1125083  Solanum umbelliferum E. Armstrong 1934-3-26 931 Sonoma 4 mi n of Camp Meeker 91 Comment
  CAS-BOT-BC157536  Solanum umbelliferum P. Rubtzoff 1952-6-9 1195 Sonoma Resort at east slope of Fitch Mtn., nr. Healdsburg Comment
  NY820383  Solanum xanti A. A. Heller 1902-3-16 5076 Sonoma Russian River, Near Trenton Comment
  UCD151249  Solanum xanti James A. Neilson Jr. 1974-4-24 2731 Sonoma Mayacmas Mountains. One mile north of Little Geysers. Steam well site. (Elevation estimated using Google Earth by label maker.) 1097 Comment
  RSA787117  Solidago californica J. C. Semple, S. Heard 1986-8-20 8578 Sonoma CA-1 between Valley Ford and Bodega Bay about 1 km N of road to Sebastopol. Comment
Read comments
Feb 6 2013
  RSA94281  Solidago canadensis subsp. elongata Peter Rubtzoff 1951-9-2 721 Sonoma Western branch of the Upper Marsh. Comment
  UCR255059  Solidago occidentalis Greg de Nevers 1989-8-28 9096 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD136065  Solidago spathulata G. F. Hrusa; G. L. stebbins, J. McCaskill 1993-9-14 11419 Sonoma along Cavedale Road approximately 2.7 miles east of Highway 12. 400 Comment
  UC1041084  Solidago velutina subsp. californica J. W. Congdon 1880-7-25 Sonoma Petaluma Comment
  UC1070227  Solidago velutina subsp. californica J. B. Spring 1932-6-25 86 Sonoma 2 mi n Agua Caliente; Napa Quad. 243 Comment
  UCD165151  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173844  Soliva sessilis Peter Rubtzoff 1969-6-22 6101 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC365957  Soliva sessilis G. DeNevers 1981-4-30 888 Sonoma Pepperwood Ranch. At Pippindale Garden. Also at Garrison House Comment
  UCD32631  Soliva sessilis Beecher Crampton 1954-6-24 2005 Sonoma Sonoma - Napa County: 5 miles northeast Calistoga, along highway 128, in roadbed. Comment
  CAS-BOT-BC374529  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  RSA788955  Sonchus asper subsp. asper Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  RSA477990  Spergula arvensis E. A. Purer 1932-7-21 16084 Sonoma Bodega Bay. Comment
  CAS-BOT-BC390044  Spergula arvensis G. DeNevers 1981-4-2 615 Sonoma Pepperwood Ranch. In Hansel's cow bitten field Comment
  CAS-BOT-BC390048  Spergula arvensis Barbara Stuart Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC323963  Spergularia Peter Rubtzoff 1971-7-23 6614 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC471243  Spergularia Peter Rubtzoff 1971-8-9 6632 Sonoma Laguna, Chileno Valley. Comment
  RSA0025194  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Vernal pool, 6.5 mi northeast of Penngrove, on Lichan Road. 427 Comment
  UCR255517  Spiranthes porrifolia Peter Rubtzoff 1971-6-23 6547 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 229 Comment
  CAS-BOT-BC257342  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  CAS-BOT-BC500699  Stachys Peter Rubtzoff 1961-5-24 4603 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC502053  Stachys Peter Rubtzoff 1963-10-5 5295 Sonoma Brooks Gulch Marsh Comment
  SEINET13947995 Image available Stachys ajugoides A. A. Heller 1902-1 5782 Sonoma West of Windsor near Russian river Comment
  UCLA71594  Stachys ajugoides var. ajugoides C. Epling, Wm. Robison 1935-7-28 Sonoma Shellville Comment
  UCD158712  Stachys albens Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 0.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. 731 Comment
  UCD125776  Stachys chamissonis Mary M. Hektner 1974-6-3 17 -A Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  SEINET12331121  Stachys rigida subsp. quercetorum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -153 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  UCD160892  Stachys rigida var. quercetorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3260 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC374797  Stebbinsoseris heterocarpa Alice Eastwood 1921-5-8 10457 Sonoma Petaluma Comment
  RSA800605  Stellaria Peter Rubtzoff 1967-8-28 5866 Sonoma SE of Lower Salmon Creek Marsh. Comment
  POM118621  Stellaria media Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC293753  Stellaria media Peter Rubtzoff 1960-5-18 4380 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC371379  Stellaria nitens Greg de Nevers 1998-5-5 11236 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC376286  Stephanomeria Greg de Nevers 1992-7-15 10219 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Valley Road 304 Comment
  CAS-BOT-BC5658  Stipa setigera A. A. Heller 1902-4-9 5252 Sonoma 3 miles S of Healdsburg Comment
  CAS-BOT-BC61158  Streptanthus barbiger R. D. Stone; G. Clifton 1983-6-16 549 Sonoma Along Burma (Kincaid) Road, headwaters of the Cobb Creek drainage. Ca. 0.4 mile southwest of Geyser Rock. 1005 Comment
  JEPS27964  Streptanthus barbiger Rimo Bacigalupi and L. Heckard 1961-6-9 7742 Sonoma ca. 3/4 mi. n.w. Occidental School (along Stoetz Lane, ca. 1/2 mi. n.w. of its junction with Harrison Grade rd.) 228 Comment
  JEPS46127  Streptanthus barbiger Eleanor Armstrong 1932-5-29 500 Sonoma 2 mi n Camp Meeker 121 Comment
  UC1736738  Streptanthus barbiger Dean W. Taylor 1998-6-22 16682 Sonoma Geysers Area, serpentine barren along John King Cade Road; headwaters Cobb Creek 975 Comment
  NY185741  Streptanthus brachiatus A. R. Kruckeberg 1949-6-5 2905 Sonoma Exposed serpentine ridge near Contact Mine, east of Pine Flat, on the Sonoma-Lake county line. "This locality is near junction of Socrates Mine road with Pine Flat-Middletown road on ridge west of canyon of Big Sulphur Creek. The Napa-Lake county line is 914.4 Comment
  UC1292729  Streptanthus brachiatus Freed W. Hoffman 1957-8-22 4207 Sonoma near Contact Mine, E of Pine Flat; on Sonoma-Lake county line 914 Comment
  UCR67076  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  UC1492782  Streptanthus glandulosus subsp. hoffmanii Freed W. Hoffman 1947-4-10 1056 Sonoma near hot springs; North Coast Ranges, Big Geysers Comment
  UC10912  Streptanthus glandulosus subsp. secundus Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UC1292748  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3361 Sonoma trail from Gray Creek to the Island North Coast Ranges (headwaters of East Austin Creek) Comment
  UC1492792  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-30 1065 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC985968  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-5-22 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1.0 mi nw of Guerneville) 213 Comment
  UC1492787  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1931-5-24 3862 Sonoma a little w Blue Knoll (w of Cazadero); North Coast Ranges, Ungewitter Ranch Comment
  UC985962  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma Del Preti Hill North Coast Ranges Comment
  UC985969  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-18 3208 Sonoma Cazadero Rd between Guerneville and Cazadero; North Coast Ranges Comment
  JEPS18125  Streptanthus glandulosus subsp. sonomensis Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5673 Sonoma headwaters of creek near Layton Chromite Mine (along and just above creek-bed); Big Austin Creek, vicinity of The Cedars 266 Comment
  UC1492805  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-6-30 3381 Sonoma along Gilliam Creek Gilliam Creek (a branch of East Austin Creek); North Coast Ranges, Gilliam Creek Comment
  JEPS2877 Image available Streptanthus tortuosus Michener and Bioletti 1893-6-7 Sonoma Hoods Peak; ; Hoods Peak, Sonoma Co. Comment
  UCD161863  Streptanthus tortuosus James A. Neilson Jr. 1978-6-13 3966 Sonoma Mayacmas Mountains. Lookout tower on Mount St. Helena. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC423045  Stylomecon heterophylla L. R. Abrams 1918-4-28 s.n. Sonoma Nr. Burbanks Garden, Santa Rosa Comment
  CAS-BOT-BC540817  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC269634  Symphoricarpos albus var. laevigatus Marcus E. Jones 1931-7-5 29056 Sonoma West of Cloverdale Comment
  RSA748  Symphoricarpos albus var. laevigatus E. R. Johnson 1928-8-22 s.n. Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  UC353794  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 a Sonoma e side Los Guilucos Valley (road to Youngman's) Comment
  CAS-BOT-BC354313  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC97817  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 768 Sonoma Lower part of the Upper Masrh Comment
  UC1544808  Symphyotrichum chilense Almut G. Jones 1986-8-23 7252 Sonoma e of, along Hwy 116 Petaluma 300 Comment
  CAS-BOT-BC97821  Symphyotrichum chilense Alice Eastwood 1918-9-3 7963 Sonoma Calistoga Comment
  CAS-BOT-BC98571  Symphyotrichum lentum Peter Rubtzoff 1961-9-6 4734 Sonoma Laguna de Santa Rosa area northeast of Graton - Sonoma County Marshes Comment
  UC1041032  Symphyotrichum spathulatum J. W. Congdon 1880-9-12 Sonoma Petaluma Comment
  UC1103198  Taeniatherum caput-medusae Joseph P. Tracy 1935-7-7 14049 Sonoma on road between the Geysers and Geyserville (Northern Coast Ranges); Northern Coast Ranges 609 Comment
  HSC49517  Tamarix parviflora R. York 1979-4-8 206 Sonoma Along Hwy. 128, 1 mi. N of Calistoga. Comment
  CAS-BOT-BC376798  Tanacetum parthenium Lewis S. Rose 1933-9-3 33355 Sonoma 2 mi. w. of Petrified Forest Comment
  CAS-BOT-BC376986  Taraxacum officinale Peter Rubtzoff 1952-3-23 877 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  OBI70523  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .288 Sonoma Cavedale Rd 518 Comment
  CAS-BOT-BC399885  Thalictrum polycarpum Peter Rubtzoff 1960-6-7 4448 Sonoma Austin Creek Marsh Comment
  CAS-BOT-BC399887  Thalictrum polycarpum Greg de Nevers 1996-4-21 10796 A Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UC796642  Thermopsis californica var. californica Ira L. Wiggins 1949-4-30 12058 Sonoma roadside 6.8 mi e Santa Rosa (on road to Calistoga) Comment
  RSA52687  Thermopsis californica var. californica I. L. Wiggins 1949-4-30 12058 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  RSA800061  Thermopsis californica var. californica Peter Rubtzoff 1965-5-8 5527 Sonoma Atascadero Creek Marsh. Comment
  UCD151188  Thysanocarpus laciniatus James A. Neilson Jr. 1974-4-17 2892 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 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-BC447597  Tiarella trifoliata subsp. unifoliata M. Thomas 1877-6-14 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC447595  Tiarella trifoliata subsp. unifoliata Catherine Best 1980-7-1 s.n. Sonoma Growing on the bank of Dutch Bill Creek about 1 mile north of Occidental Comment
  JEPS49745  Tiarella trifoliata var. unifoliata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Russian River near Guerneville; Russian River Comment
  UC570910  Tiarella trifoliata var. unifoliata H. L. Mason 1928-7-11 4888 Sonoma Canyon 2 mi n Fort Ross; n of Fort Ross Comment
  POM312928  Tofieldia glutinosa subsp. occidentalis H. 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
  HSC101444  Torreya californica Richard Spjut, Peter Baye 2010-6-21 16713 Sonoma Fuller Creek near jct. with High-Low Rd. and South Brach Rd., east of Annapolis Rd 91 Comment
  HSC39062  Torreya californica Gary S. Lester 1974-2-9 67 Sonoma Sugarloaf State Park, bottoms campground 518 Comment
  SEINET12238544  Toxicodendron diversilobum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -266 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC519555  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-8-14 21407 Sonoma Sonoma: Perry Marsh Comment
  JEPS63124  Trichostema lanceolatum W. L. Jepson 1921-9-8 9430 Sonoma Healdsburg, Russian River Comment
  SEINET6174104 Image available Trientalis europaea var. latifolia Sally Walker 1981-5-25 Sonoma 3 miles west of Occidental Sonoma co. Comment
  CAS-BOT-BC173635  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7469 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784986  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166753  Trifolium Peter Rubtzoff 1976-5-30 8554 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC173569  Trifolium Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173637  Trifolium Peter Rubtzoff 1976-5-30 8556 Sonoma Kenwood Marsh. Comment
  RSA784988  Trifolium Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784996  Trifolium Peter Rubtzoff 1974-5-26 7495 Sonoma Todd road 1.5 mi from Hwy and 0.5 mi from W of Llano Road Comment
  UC1541590  Trifolium albopurpureum var. dichotomum H. E. and S. T. Parks 1930-5-9 621 Sonoma Knights Valley Comment
  CAS-BOT-BC217056  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma Near Petaluma Comment
  OBI12721  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  UC249680  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  UCSC011040  Trifolium appendiculatum R. Morgan 2005-5-14 4423 A Sonoma Seed originally from one or two plants in Santa Rosa Comment
  POM21666  Trifolium barbigerum A. A. Heller 1903-4-23 6609 Sonoma Fort Ross. Comment
  UCR119035  Trifolium barbigerum var. andrewsii Beecher Crampton 1955-4-5 2416 Sonoma Santa Rosa Area, 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road 91 Comment
  UC16521  Trifolium depauperatum var. amplectens W. H. Brewer 1862-4-18 961 Sonoma near Sonoma Comment
Read comments
Sep 7 2009
  LA205222  Trifolium depauperatum var. amplectens Milo S. Baker; 1934-3-27 7583 Sonoma Bennett Valley Road near Vernal Pool Comment
  UCSC005278  Trifolium depauperatum var. hydrophilum Randall Morgan 1995-5-18 2617 Sonoma Santa Rosa, Stony Point Road, across from Yuba Drive 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
  POM21428  Trifolium depauperatum var. truncatum A. A. Heller, H. E. Brown 1902-4-8 5229 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCSC000424  Trifolium dichotomum Charisse Bickford 1979-4-20 s.n. Sonoma Cloverdale Comment
  CHSC90392  Trifolium fucatum Elizabeth L. Knight 1988-4-1 6 Sonoma Ca. .25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UCSB50222  Trifolium fucatum Gray, John 1976-5-1 Sonoma Bluffs on Duncan's Landing peninsula, Sonoma Coast State Beaches; T6N R11W 15 Comment
  UCD165154  Trifolium gracilentum Peter Rubtzoff 1974-5-18 7429 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA78622  Trifolium grayi J. T. Howell 1943-5-10 17990 Sonoma 1 mile north of Windsor Comment
  UCD109770  Trifolium hirtum Frederica Bowcutt 1994-5-21 1823 Sonoma Sugarloaf Ridge State Park. 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, .75 mile from the trail head. 396 Comment
  RSA97611  Trifolium incarnatum Elsie Z. Longrone 1954-4-21 s.n. Sonoma [Unspecified] Comment
  SEINET6935123  Trifolium macraei W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Cove at Bodega Head. Comment
  CAS-BOT-BC361338  Trifolium microcephalum Greg de Nevers 1997-4-24 10976 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS128265  Trifolium microcephalum Roger Raiche 2000-4-8 031 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC16619  Trifolium microcephalum H. N. Bolander 1864-1 3852 Sonoma Russian River Bed Comment
  UC1541580  Trifolium microdon H. E. and S. T. Parks 1930-5-9 601 Sonoma Knights Valley 152 Comment
  UCD160308  Trifolium obtusiflorum James A. Neilson Jr. 1975-5-23 3202 Sonoma Truit Creek on Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  POM21419  Trifolium obtusiflorum A. A. Heller 1902-5-23 5605 Sonoma Sonoma Comment
  UCD109256  Trifolium oliganthum Botany 102 Students 1993-4-24 98 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. 396 Comment
  UCD165125  Trifolium subterraneum Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  UCD109492  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  RSA19276  Trifolium wormskioldii Jens Clausen 1935-5-24 1091 Sonoma 6.2 miles south of Jenner. Comment
  RSA582648  Trifolium wormskioldii Jens Clausen 1935-5-24 1091 Sonoma 6.2 miles south of Jenner. Comment
  UC555362  Trifolium wormskioldii H. L. Mason 1930-6-1 5648 Sonoma mouth of Gualala River Comment
  CAS-BOT-BC451943  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay. [Actually the loc. is at north end of Bodega Harbor, not Bodega Bay -- Rubtzoff '91.] 1 Comment
  CAS-BOT-BC451946  Triglochin maritima J. W. Congdon 1880-4-13 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC520849  Trillium albidum Greg de Nevers 1993-4-6 10362 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  UCR5896  Trillium chloropetalum Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay region, Sebastopol, residence on 692 Sparks Road 73 Comment
  CHSC33029  Triphysaria eriantha Jane A. Rogers 1979-4-14 8 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  JEPS65947  Triphysaria eriantha subsp. eriantha Peter Rubtzoff 1971-6-5 6518 Sonoma on Bennett Valley Road 4.25 mi w Glen Ellen Comment
  UC1239030  Triphysaria eriantha subsp. eriantha Freed W. Hoffman 1947-4-7 1914 Sonoma near Windsor; North Coast Ranges Comment
  SEINET6987684  Triphysaria eriantha subsp. eriantha Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy flat next to maritime grassland; cove at Bodega Head. Comment
  UCD123411  Triphysaria eriantha subsp. rosea Mary M. Hektner 1974-7-6 136 Sonoma Unit 35-B Owner's Map, Sea Ranch, near Highway 1. On the greens of the Golf Course. Comment
  UC1334875  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-24 432 Sonoma on State Highway #128, 15 mi nw Calistoga Comment
  CAS-BOT-BC227657  Trisetum canescens Peter Rubtzoff 1955-5-14 1847 Sonoma Duncans Mills Marsh. Comment
  UCD93492  Trisetum canescens Beecher Crampton 1953-5-19 1297 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128, at Napa County line. Comment
  UCD93498  Trisetum canescens Beecher Crampton 1955-6-17 2950 Sonoma 4.5 miles S of Cazadero. Comment
  UCD93507  Trisetum canescens Beecher Crampton 1957-7-11 4310 Sonoma Along State Hwy. 1, 1.25 miles SE of Bodega Bay. Comment
  UCR280141  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  UCD15865  Trisetum canescens Botany 102 Students 1993-3 9 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. Across road from Goodspeed trailhed pullout. 228 Comment
  UCD93590  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma Coast road near Bridgehaven. Comment
  CAS-BOT-BC522355  Triteleia hyacinthina Peter Rubtzoff 1961-6-17 4621 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC522357  Triteleia hyacinthina Peter Rubtzoff 1957-5-26 3364 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  RSA264776  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road. Comment
  SEINET12044741  Triteleia hyacinthina Michener, Bioletti 1893-1 s.n. Sonoma Kenwood Comment
  SEINET7067244  Triteleia laxa A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1 and east of Ocean Cove. Coordinate datum: NAD27. Comment
  CAS-BOT-BC527033  Triteleia laxa Peter Rubtzoff 1955-7-9 1944 Sonoma Forestville Marsh, Sonoma County Marshes Comment
  SD112291  Triteleia laxa Darley F. Howe 1963-7-2 Sonoma Sea bluff, 4.2 miles north of junction with #12 on #1. Comment
  CAS-BOT-BC527968  Triteleia peduncularis John Thomas Howell 1935-5-5 12606 Sonoma Low Field near Kenwood Comment
  CAS-BOT-BC527970  Triteleia peduncularis J. W. Congdon 1880-5-30 115 Sonoma Santa Rosa Comment
  CAS-BOT-BC200492  Triticum aestivum David L. Morgan 1956-5-18 s.n. Sonoma On State Hiway #12, 5.4 mi. S. of Santa Rosa city limits 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
  RSA540096  Typha angustifolia Peter Rubtzoff 1971-7-9 6592 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC540808  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  UC1010427  Ulmus minor Leo Koch 1939-4-15 547 Sonoma Petaluma North Bay Counties, Petaluma (518 Madison Street) Comment
  CAS-BOT-BC91282  Umbellularia californica Walter Knight; Irja Knight 1963-12-27 476 Sonoma Summit, Pine Flat Road. Comment
  RSA39873  Umbellularia californica P. A. Munz 1947-10-9 12209 Sonoma 1.5 miles northeast of Armstrong Redwoods State Park. 91 Comment
  UCD138017  Umbellularia californica Jennifer Bury; Peggy Herzog 1993-5-8 259 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. Near visitor center, 25 feet above parking lot; just off Lower Bald Mountain Trail. 379 Comment
  CAS-BOT-BC404236  Urtica dioica subsp. holosericea Peter Rubtzoff 1962-9-16 5088 Sonoma Vacation Beach, 1.5 miles below Guerneville Comment
  CAS-BOT-BC404220  Urtica dioica subsp. holosericea Dennis W. Woodland 1968-6-10 1248 Sonoma 4 miles west of Calistoga on the Santa Rosa Road at road junction along wet stream bank 100 feet south of the road where both roads go to Santa Rosa Comment
  UC456167  Vaccinium ovatum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCD118088  Vaccinium ovatum A. T. Leiser 1968-1-16 s.n. Sonoma N. end of ridge, Sea Ranch. 91 Comment
  RSA135359  Vancouveria planipetala Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  SD58170  Vancouveria planipetala E. Van E. Ferguson 8-10 Jun 1919 248 Sonoma Near Gurnewood Comment
  CAS-BOT-BC135763  Veratrum fimbriatum Alice S. M. McKenzie 1974-10-28 s.n. Sonoma Salt Point State Park - Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC135771  Veratrum fimbriatum Catherine Best 1981-8-22 s.n. Sonoma On Green Hill Road 3 miles easterly, airline, from Occidental Comment
  CAS-BOT-BC376393  Verbascum Greg de Nevers 1993-8-12 10488 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  RSA790898  Verbascum Peter Rubtzoff 1954-7-27 1564 Sonoma Guernerville Marsh. Comment
  JEPS65942  Verbena lasiostachys var. lasiostachys L. M. Newlon 1921-9-12 271 Sonoma Alexander Valley Comment
  POM64648  Verbena lasiostachys var. lasiostachys A. A. Heller 1902-6-27 5785 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC157662  Veronica Peter Rubtzoff 1960-5-29 4416 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC262797  Veronica Peter Rubtzoff 1972-5-25 6752 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC166804  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC166808  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC182759  Veronica americana Peter Rubtzoff 1955-7-10 1948 Sonoma Duncans Mills Marsh. Comment
  UCD19306  Veronica americana Terry Reedy 1974-5-11 209 Sonoma Bodega Head, in freshwater marsh in open water. 6 Comment
  UC1299208  Veronica peregrina subsp. xalapensis Freed W. Hoffman 1947-5-15 775 Sonoma near Guerneville (Lone Mountain Farm); North Coast Ranges, Lone Mountain Farm Comment
  CAS-BOT-BC267249  Viburnum ellipticum Greg de Nevers 1981-5-7 967 Sonoma Pepperwood Ranch. In W arm of Garrison Canyon 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
  UCR255736  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; along road to Weimar Flat 400 Comment
  CDA18772  Vicia gigantea Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
Read comments
Oct 17 2007
  UC17022  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  JEPS87243  Vicia sativa subsp. sativa Jack and Betty Guggolz 1991-5-27 1157 Sonoma s of s end Meyers Grade (between Hwy 1 and the ocean) 182 Comment
  RSA0057958  Vicia villosa subsp. villosa Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  JEPS46282  Viola adunca Eleanor Armstrong 1933-4-14 740 Sonoma Bodega Hill Comment
  UC1761563  Viola adunca Edith Hessel 1927-4-26 Sonoma Hessel Station, 100 ft up car track from store, to W Comment
  UCD110688  Viola douglasii L. Whitney 1932-4-1 s.n. Sonoma Santa Rosa. Vine Hill. Comment
  CAS-BOT-BC536902  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  CAS-BOT-BC536930  Viola lobata G. DeNevers 1982-5-18 2022 Sonoma Pepperwood Ranch, N side of Franz Valley Rd, 1.5 mi past the top of the hill Comment
  UC1761514  Viola lobata Milo S. Baker 1926-3-30 201 b Sonoma 1 mi S of St. Helena Inn (trail to Crater) Comment
  UCD110890  Viola lobata A. A. Beetle 1939-4-12 1775 Sonoma Mt. St. Helena. Comment
  JEPS18183  Viola lobata subsp. integrifolia Rimo Bacigalupi with F. Chisaki and G. T. Robbins 1956-4-17 5588 Sonoma 1.4 mi w of Lake County Line (along Ida Clayton Road, 7.2 mi from its Kellogg Valley end) 762 Comment
  SEINET7040048  Viola lobata subsp. integrifolia A. G. Vestal 1963-5-12 s.n. Sonoma Far point on Spring Mountain Road, 4.4 miles west of St. Helena. Calistoga Quad. UTM Zone 10, 538439mE, 4263542mN. Comment
  JEPS72654  Viola lobata subsp. lobata Gladys L. Smith April 1971 Sonoma Redwood forest at Sturgeon's Mill 304 Comment
  UC1761472  Viola ocellata Milo S. Baker 1898-4-3 991 Sonoma between Cazadero and Guerneville Comment
  UCD110696  Viola ocellata Thomas Miller 1976-5-8 25 Sonoma Canyon 3 Creek. 1.1 miles N of River Road and Russian River. 106 Comment
  UC75664  Viola sempervirens Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC135286  Viscum album Stanley Rose 1966-5-8 s.n. Sonoma 1 mile N of Sebastopol on Gravenstein Hwy. - North Comment
  CAS-BOT-BC135294  Viscum album D. Wiens; R. Scharpf 1973-6-17 4900 Sonoma Sebastopol, in and around the town Comment
  RSA183446  Viscum album subsp. album William O. McCartney 1966-5-4 s.n. Sonoma In a residential property, NW corner of Mill Station Road and Gravestein North Hwy, Sebastopol. Comment
  CAS-BOT-BC203123  Vitis californica D. E. Breedlove 1980-6-27 44768 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC419014  Vitis californica H. E. and S. T. Parks 1930-8-20 693 Sonoma Maacama Creek Comment
  UCD158821  Vitis californica James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2898 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  RSA0121713  Vitis californica James I. McMurphy 1908-9-27 s.n. Sonoma Mark West Creek. Comment