Search Results — 2000 specimen records retrieved (1292 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC332751  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  CAS-BOT-BC332752  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  UC1193405  Acer macrophyllum G. W. Tourtillott 1950-5-10 18 Sonoma one mi e Geysers Hotel; Quad. 60B4, e of Geysers Hotel 609 Comment
  CAS-BOT-BC332756  Acer macrophyllum J. W. Congdon May, July (no year stated) s.n. Sonoma Unspecified Comment
  UC635204  Acer negundo var. californicum Herbert L. Mason 1925-11-26 2494 Sonoma Monte Rio along the Russian River, Monte Rio Comment
  SEINET10721470 Image available Achillea arenicola A. Arthur Heller 1902-5-27 Heller 5608 Sonoma Bodega Bay Comment
  CAS-BOT-BC30091  Achillea millefolium John Thomas Howell 1955-8-6 30896 Sonoma Dunes at Bodega Head Comment
  UC891015  Achillea millefolium Milo S. Baker 1932-6-10 5879 Sonoma north of, next to beach Salmon Creek Comment
  UCD160830  Achillea millefolium James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3368 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC30081  Achillea millefolium Peter Rubtzoff 1952-6-10 1227 Sonoma Top of Fitch Mtn. near Healdsburg 304 Comment
  RSA176496  Achillea millefolium var. arenicola Roxana S. Ferris 1932-5-27 8254 Sonoma Bodega Bay. Comment
  RSA0000831  Achillea millefolium var. arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  SEINET3523218 Image available Acmispon aestivalis A. A. Heller 1938-8-11 15321 Sonoma Knights Valley, Oak Belt of Upper Sonoran Life Zone Comment
  UCD35507  Acmispon cytisoides Beecher Crampton 1957-7-22 4395 Sonoma Along State Hwy. 1, 0.25 mile north of Fort Ross. Comment
  HSC101108  Acmispon grandiflorus var. grandiflorus Peter Warner 2011-6-16 214 Sonoma Jenner Headlands property, northeastern area, on ridge between Jenner Gulch and Kidd Creek watersheds, ~ 200 m fr. boundary with E&P Ranch 470 Comment
  JEPS46069  Adenostoma fasciculatum Eleanor Armstrong June 1932 526 Sonoma 4 mi. w. Camp Meeker (near Lake Nervana) 121 Comment
  UCR198233  Adenostoma fasciculatum Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .273 Sonoma Cavesdale Road 518 Comment
  SEINET11910987  Adenostoma fasciculatum F. H. Utech 1986-1 86 -102 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  UC903198  Adiantum aleuticum Ethel Crum 1930-7-27 823 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  UCD137173  Adiantum aleuticum Mary M. Hektner 1975-6-3 203 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  RSA12257  Adiantum aleuticum C. B. Wolf 1934-6-29 5802 Sonoma 6/10 of a mile inland from Stewart's Point. 61 Comment
  OBI70692  Aesculus californica Tracey & Viola Call, Viola Call 1961-6-10 2072 Sonoma On Russian river near Forestville 61 Comment
  CAS-BOT-BC29575  Agoseris apargioides var. eastwoodiae Roxana S. Ferris 1932-5-27 8258 Sonoma Cliffs at upper end of Bodega Bay Comment
  UCD159446  Agoseris apargioides var. eastwoodiae D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 203 Sonoma Bodega head. Sonoma coast state beach. Cliff overlooking sea. Abundant. 20 Comment
  CAS-BOT-BC29574  Agoseris apargioides var. eastwoodiae Doreen Smith 2003-5-22 s.n. Sonoma Bodega Dunes, SE of research facility Comment
  CAS-BOT-BC13167  Agoseris hirsuta John Thomas Howell 1930-6-8 5268 Sonoma North end of Bodega Bay Comment
  SEINET3141171  Agoseris hirsuta L. S. Rose 1940-5-22 40367 Sonoma Sonoma 61 Comment
  CAS-BOT-BC176402  Agrostis Peter Rubtzoff 1964-5-20 5308 Sonoma Brooks Gulch Marsh. Comment
  UCD166333  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh. Comment
  SACT000118  Agrostis alba Herbert Mason 1946-7-4 Sonoma Pitkin Marsh, btw Santa Rosa and Forestville Comment
  SEINET246029  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma 0.9 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51871  Agrostis capillaris Beecher Crampton 1957-7-22 4378 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD51881  Agrostis capillaris Milo S. Baker 1943-7-29 10502 Sonoma Brookside Garden, Kenwood. Comment
  SEINET3916115  Agrostis clivicola Beecher Crampton 1957-7-11 4320 Sonoma Sonoma County, 0.5 mile north of Salmon Creek, Sonoma Coast state park, along State Highway 1.; 0 Comment
  CAS-BOT-BC127470  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma Above Blind Beach, just south of Goat Rock, Sonoma Coast State Park, ca. 9 miles north of Salmon Creek. Comment
  UCD37160  Agrostis densiflora Beecher Crampton 1957-7-22 4367 Sonoma Sonoma County, Sonoma Coast State Park, 0.3 mile south of Stewart's Point, bluffs above Fisherman's Bay. Comment
  UCD51994  Agrostis densiflora Beecher Crampton 1957-7-11 4321 Sonoma Sonoma Coast State Park, 1/2 mile north of Salmon Creek. Comment
  CAS-BOT-BC126962  Agrostis exarata G. DeNevers 1981-6-20 1590 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Along Leslie Creek bed. Comment
  UCD32829  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/4 mile east of Geyser Resort area, Big Sulfer Creek. Comment
  UCD52413  Agrostis exarata Freed W. Hoffman 1944-5-30 2014 Sonoma Russian River, Guernewood Park. Comment
  SEINET7593690 Image available Agrostis exarata A. S. Hitchcock 1908-1 2690 Sonoma Willits Comment
  UCD52071  Agrostis exarata R. Tofsrud 1941-5-1 136 Sonoma Sonoma County, California. Comment
  CAS-BOT-BC138854  Agrostis microphylla K. Wagnon 1939-5-21 214 Sonoma On Road 9, four miles west of Sebastapool on Bodega highway. Comment
  UC1011026  Agrostis microphylla Virginia Bufford 1936-5-20 342 Sonoma Kellogg Mark West Road 3 mi from Mark West Comment
  CAS-BOT-BC139120  Agrostis oregonensis Peter Rubtzoff 1951-6-7 124 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC138912  Agrostis pallens Roxana S. Ferris; Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump. Comment
  CAS-BOT-BC138916  Agrostis pallens John Thomas Howell 1945-7-18 s.n. Sonoma Drier borders of Pitkin Marsh. Comment
  UCD53074  Agrostis pallens Beecher Crampton 1955-6-17 2976 Sonoma 2.4 miles south of Monte Rio. Comment
  UCD53084  Agrostis pallens Mary M. Hektner 1975-6-2 196 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC138911  Agrostis pallens 1947-5-12 11762 Sonoma On Hood Mountain along horse trail. 426 Comment
  SEINET7594115 Image available Agrostis pallens A. S. Hitchcock 1908-1 2675 Sonoma Cloverdale, Cloverdale Comment
  CHSC96764  Agrostis viridis A. McVicker 2005-6-6 1349309 Sonoma Nursery Plants. Sonoma County. Winkler Water Gardens at 1925 Fulton Road, Santa Rosa. Comment
  CDA36851  Aira caryophyllea 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
  CAS-BOT-BC138212  Aira caryophyllea var. caryophyllea John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC138216  Aira caryophyllea var. caryophyllea John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53959 Sonoma Fairfiled Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC138211  Aira caryophyllea var. caryophyllea David L. Morgan 1955-6-30 s.n. Sonoma Under bridge at Austin Creek, 3 miles west of Monte Rio, State Highway #12. 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-BC173620  Alisma lanceolatum Peter Rubtzoff 1976-5-30 8570 Sonoma Kenwood Marsh Comment
  SBBG39698  Alisma lanceolatum P. Rubtzoff 1955-7-16 1959 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC445374  Alisma plantago-aquatica W. W. Carruth 1901-6-1 s.n. Sonoma Near Windsor and Alvarado. Comment
  CAS-BOT-BC445458  Alisma triviale D. E. Breedlove 1980-6-27 44740 Sonoma Peppewood Ranch W of Knights Valley Comment
  SEINET7852114  Allium Unknown 1974-1 6432 Sonoma Salmon Creek, Pacific coastal area. Ca. 1 at Duncan Point along living, rocky coastal cliffs. Comment
  CAS-BOT-BC462391  Allium amplectens Greg de Nevers 1997-5-3 10154 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC462392  Allium amplectens Greg de Nevers 1997-5-14 11000 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, Near Mt. House. 457 Comment
  UC3104  Allium dichlamydeum Harley P. Chandler 1900-5-25 718 Sonoma Bodega Bay Comment
  CAS-BOT-BC469101  Allium dichlamydeum Dorothy Scherer 1996-6-3 045 Sonoma 1 mile north of park headquarters, Fort Ross State Historic Park 12 Comment
  CAS-BOT-BC474313  Allium unifolium Greg de Nevers 1992-4-29 10127 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In streambed above Rogers 475 Comment
  UCSC000151  Allium unifolium Beryl O. Schreiber 1934-5-16 1120 Sonoma Healdsberg, Fitch Mountain Road Comment
  CDA39418  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma South side of Petaluma - Valley Ford Hwy., 2 miles northwest of Two Rock. 0 Comment
  UCD141806  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma south side of Petaluma Valley Ford Hwy, 2 miles NE of Two Rock. Comment
  CAS-BOT-BC478829  Allium vineale John Thomas Howell 1976-6-22 51809 Sonoma Sonoma Joe's Restaurant, Petaluma Comment
  CAS-BOT-BC169658  Alnus rhombifolia Peter Rubtzoff 1957-8-18 3522 Sonoma Vacation Beach, near (1.5 mi below) Guerneville. Russian River bank Comment
  CAS-BOT-BC169363  Alnus rubra Peter Rubtzoff 1957-6-28 3386 Sonoma Duncans Mills Marsh, upper part of the marsh 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
  CAS-BOT-BC138150  Alopecurus aequalis var. aequalis Peter Rubtzoff 1955-7-30 1994 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC138049  Alopecurus aequalis var. sonomensis J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield. Comment
  JEPS97562  Alopecurus saccatus R. D. Stone 1985-6-1 675 Sonoma Shiloh Ranch Mark West Springs (2.3 airmiles NE of intersection of Shiloh and Faught rds.; 0.6 airmiles WSW of); valley of sm. tributary in Mark West Creek drainage 259 Comment
  CAS-BOT-BC540844  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7843 Sonoma Kenwood Marsh Comment
  RSA234560  Amaranthus albus Peter Rubtzoff 1958-8-9 3849 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  SD99431  Amaranthus albus Peter Rubtzoff 1971-9-2 6682 Sonoma Todd Road near and west of Hwy. 101 Comment
  POM161247  Ambrosia chamissonis var. chamissonis Rimo Bacigalupi 1928-6-18 1899 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  CAS-BOT-BC55541  Ambrosia psilostachya Peter Rubtzoff 1951-9-15 762 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC366872  Amelanchier pallida Greg de Nevers 1998-4-27 11198 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC135665  Amelanchier utahensis Greg de Nevers 1987-4-25 8156 Sonoma Pepperwood Ranch Natural Preserve, 3500 Rranze Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC154862  Ammannia Peter Rubtzoff 1970-8-18 6307 Sonoma 5 miles north of Sears Point. Comment
  UCR279886  Ammannia robusta Peter Rubtzoff 1972-8-26 6860 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 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-BC177233  Amorpha californica var. napensis Alice Eastwood 1915-6-5 4614 Sonoma Petrified Forest Comment
  CAS-BOT-BC177227  Amorpha californica var. napensis Michener; Bioletti 1893-5-1 s.n. Sonoma Nun's [Canon] Canyon Comment
  UC1178201  Amsinckia intermedia Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1122 Sonoma on road to Calistoga (2.9 mi n of junction with Hwy #12, junction e of Santa Rosa) Comment
  RSA177955  Amsinckia intermedia R. F. Thorne 1965-4-20 34329 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC1073292  Amsinckia spectabilis George B. Rossbach 1955-3-19 454 Sonoma northern and highest hill on Bodega Head 76 Comment
  RSA0089704  Amsinckia vestita Amos Arthur Heller 1940-4-22 15547 Sonoma Anderson Valley. Comment
  POM188278  Andropogon glomeratus Marcus E. Jones 1931-7-5 92909 Sonoma The Geysers. Comment
  RSA129301  Andropogon glomeratus Virginia Bufford 1936-9-10 17228 Sonoma 2 miles S.E. of Forestville. Sevastopol 61 Comment
  UC1042505  Andropogon glomeratus var. pumilus Peter Rubtzoff 1951-11-24 849 Sonoma western branch of the Upper Marsh Pitkin Marsh (near Forestville); , western branch of the Upper Marsh Comment
  CAS-BOT-BC361368  Anemone oregana Greg de Nevers 1997-4-2 10926 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa West of tower-in-saddle 400 Comment
  UCR198232  Angelica californica Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .275 Sonoma Cavesdale Road 518 Comment
  UC640633  Angelica californica Alice Eastwood, John Thomas Howell 1938-7-6 6084 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC221435  Angelica hendersonii David D. Keck; J. Clausen 1935-6-15 3373 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC173823  Anthemis cotula Peter Rubtzoff 1959-9-19 4279 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA796686  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guernerville Marsh. Comment
  SBBG21185  Anthemis cotula V. Haraden 1941-7-13 7 Sonoma ca. 1 mi N of the head of Bodega Bay Comment
  CAS-BOT-BC137770  Anthoxanthum aristatum Alice Eastwood; John Thomas Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor. Comment
  SEINET5336058  Anthoxanthum aristatum L. Koch 1940-4-22 841 Sonoma along highway 101 N of Windsor Comment
  CAS-BOT-BC488329  Anthoxanthum aristatum subsp. aristatum Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 Comment
  SEINET181008  Anthoxanthum occidentale E. Tucker 1936-4-5 15003 Sonoma Camp Meekee Comment
  UCD85356  Anthoxanthum occidentale Robert F. Thorne 1965-4-19 34316 Sonoma Harrison Grade. 1/2 mile from Green Valley Road. 152 Comment
  CAS-BOT-BC137690  Anthoxanthum odoratum Peter Rubtzoff 1960-5-15 4329 Sonoma Fife Creek Marsh. Comment
  UCD56233  Anthoxanthum odoratum G. F. Hrusa; G. L. Stebbins 1994-3-28 11707 Sonoma Fisk Mill Parking Area, Salt Point State Park. 7 Comment
  UCR142043  Anthoxanthum odoratum Beecher Crampton 1955-6-17 2940 Sonoma North Coast Range, 0.5 mile north of Guerneville, along Fife Creek 30 Comment
  CDA5342  Anthriscus caucalis T. C. Fuller 1967-6-7 15932 Sonoma Matheson property, Upland Road, 2 miles north & 1 mile west of Petaluma. 0 Comment
  CHSC42269  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma Healdsburg. On E side of Fitch Mt., just S of resort area on E. side. 45 Comment
  JEPS5335  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum W. L. Jepson 1923-6-28 10004 Sonoma near Kenwood; Sonoma Canyon 243 Comment
  UC479120  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones, A. M. 1931-7-5 28810 Sonoma The Geysers Comment
  JEPS11931  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Francis W. Pennell Jul 2 1940-Jul 3 1940 26038 Sonoma ne of Kenwood Springs 304 Comment
  CAS-BOT-BC248904  Antirrhinum virga John Thomas Howell 1932-10-9 10813 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  UC12042  Aphanes occidentalis F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  RSA0077989  Apiaceae B. A. Stein 1981-3-7 449 Sonoma Harrison Grade Rd. 243 Comment
  UC921201  Apocynum androsaemifolium Milo S. Baker 1939-5-19 9334 Sonoma Gravenstein Hwy. a mile or two s. of Sousa's Cornera Comment
  CAS-BOT-BC394991  Aquilegia formosa Peter Rubtzoff 1952-6-13 1254 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC394992  Aquilegia formosa Peter Rubtzoff 1952-6-9 1183 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC394996  Aquilegia formosa A. A. Heller; H. E. Brown 1902-4-11 5274 Sonoma Bodega Bay Comment
  UC1125882  Aquilegia formosa E. Armstrong 1934-3-26 947 Sonoma Camp Meeker Sebastopol Quad. 60 Comment
  SEINET12093899  Aquilegia formosa F. H. Utech 1988-1 88 -225 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  RSA0125766  Arabis glabra A. A. Heller, H. E. Brown 1902-5-29 5929 Sonoma Mt. Hood Comment
  CDA17199  Aralia californica G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16198 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. Sheet 1 of 2 536 Comment
  UC1084439  Arbutus menziesii G. Thomas Robbins 1940-3-21 299 Sonoma 5-6 mi e of Windsor (along Chalk Hill Road); Chalk Hill Road 91 Comment
  SEINET5730634 Image available Arbutus menziesii Janet McIntosh 1966-1 23 Sonoma 2 miles north of Guerneville.; Guerneville 30 Comment
  UCD168049  Arceuthobium campylopodum James Neilson 1981-7-1 4044 Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  RSA629209  Arctostaphylos Jon E. Keeley 1993-9-11 24791 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629210  Arctostaphylos Jon E. Keeley 1993-9-11 24790 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629219  Arctostaphylos Jon E. Keeley 1993-9-11 24784 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629222  Arctostaphylos Jon E. Keeley 1993-9-11 24773 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629223  Arctostaphylos Jon E. Keeley 1993-9-11 24776 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1042531  Arctostaphylos John Thomas Howell 1933-4-2 10948 Sonoma 8 mi w Santa Rosa Comment
  CAS-BOT-BC24082  Arctostaphylos bakeri Lewis S. Rose 1971-4-30 71024 Sonoma 2 mi. E of Occidental 182 Comment
  CAS-BOT-BC24088  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10953 Sonoma 2 miles east of Occidental Comment
  OBI14770  Arctostaphylos bakeri H. E. McMinn 1936-4-5 4409 Sonoma About 2 mi N of Occidental Comment
  UC1614274  Arctostaphylos bakeri Charles M. Belshaw 1936-3-7 1556 A Sonoma 2 mi nne of Occidental Comment
  UCD170221  Arctostaphylos bakeri S. J. Seybold; M. A. Siefker 2017-11-14 s.n. Sonoma Vadasz Vineyards, 18070 Carriger Road. Located behind main house on property. 64 Comment
  RSA339386  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1985-9-29 RR 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill 121 Comment
  POM209636  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 12 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  RSA164628  Arctostaphylos canescens subsp. canescens P. C. Everett 1963-11-21 11806 Sonoma Rincon Ridge, Robt. Sones' residence, ca. 3 mi. ne. of Santa Rosa. 145 Comment
  CAS-BOT-BC23900  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma Rincon Ridge, northeast of Santa Rosa Comment
  POM367247  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1934-2-22 34030 Sonoma Rincon Ridge, 3 mi NE Santa Rosa Comment
  UC549709  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1024 Sonoma e Sta. Rosa; Rincon Ridge Comment
  CAS-BOT-BC23602  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11745 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC23647  Arctostaphylos columbiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast mountains near Kachia Rancheria, about 5 miles east of Stewarts Point Comment
  CAS-BOT-BC23638  Arctostaphylos columbiana Mary P. Wells 1985-10-4 669 a Sonoma About 1 mile south of Gualala River Comment
  CAS-BOT-BC24979  Arctostaphylos densiflora Walter Knight; Irja Knight; Elizabeth McClintock; J. Sigg 1981-3-25 4037 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC25019  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC25024  Arctostaphylos densiflora John Thomas Howell 1933-4-2 10948 Sonoma 8 miles W of Santa Rosa. Comment
  CAS-BOT-BC25025  Arctostaphylos densiflora John Thomas Howell 1963-11-21 421 Sonoma Vine Hill Rd. ca. 5 mi N past Pitkin Ranch. 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
  JEPS98815  Arctostaphylos densiflora Walter Knight 1967-3-19 Sonoma Vine Hill School Road ca. 100 yds W of the school on N side of road and across fence at edge of vineyard Comment
  POM367502  Arctostaphylos densiflora L. S. Rose 1934-2-22 34031 Sonoma Vine Hill Region, 10 mi. W of Santa Rosa, Type & only locality. Comment
  SBBG25391  Arctostaphylos densiflora R. Gankin 1957-11-1 247 Sonoma Vine Hill School Rd, 0.1 mi E of jct with Vine Hill Rd, ca. 10 mi W of Santa Rosa Comment
  SD107684  Arctostaphylos densiflora Walter Knight, Irja Knight 1980-12-23 3856 Sonoma In ditch along Vine Hill Road across from McConnell's place. Comment
  UC571087  Arctostaphylos densiflora H. L. Mason 1931-3-7 5805 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  UC909866  Arctostaphylos densiflora J. E. Adams 1934-3-28 713 Sonoma Vine Hill School Sta. Rosa Comment
  CDA38591  Arctostaphylos densiflora T. C. Fuller 1958-5-24 3997 Sonoma Vinehill District. 0 Comment
  RSA96838  Arctostaphylos densiflora Percy C. Everett, E. K. Balls 1954-10-20 20382 Sonoma 0.8 mi. NE of Occidental on road to Graton and Hwy 12. 182 Comment
  UCD162762  Arctostaphylos glandulosa Dylan O. Burge 2014-6-5 1641 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  CAS-BOT-BC23277  Arctostaphylos glandulosa subsp. cushingiana H. F. Copeland 1933-3-18 A 10 Sonoma Vine Hill region west of Santa Rosa. Comment
  CAS-BOT-BC23285  Arctostaphylos glandulosa subsp. cushingiana Walter Knight 1963-4-28 s.n. Sonoma Head of Adobe Canyon, south past Hoods Peak Comment
  CAS-BOT-BC23284  Arctostaphylos glandulosa subsp. cushingiana Mary P. Wells 1985-10-4 669 Sonoma ca. 1 mile south of Gualala River Comment
  RSA631184  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24726 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 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
  CAS-BOT-BC39111  Arctostaphylos hispidula Roger Raiche 1984-1-14 40016 Sonoma Roackpile Road, 9/1 miles northwest of its intersection and beginnin at Stewarts Point-Skaggs Springs Road. 502 Comment
  UCD59421  Arctostaphylos hispidula Roger Raiche 1984-1-14 RR 40016 Sonoma Rockpile Road, 9.1 miles northwest of its intersection and beginning at Stewarts Point-Skaggs Springs Road. 502 Comment
  SEINET11993339  Arctostaphylos hispidula Unknown 1984-1 RR 40016 Sonoma Rockpile Road, 9.1 mi N from its intersection & beginning at Skaggs Springs-Stewarts Point Rd 503 Comment
  UCSB24400  Arctostaphylos hispidula McMinn, H. 1936-4-5 Sonoma Two miles east of Occidental Comment
  POM294825  Arctostaphylos hookeri subsp. hookeri Boone Hallerg 1947-4-9 199 Sonoma 2 miles NE of Graton, Trenton Road 76 Comment
  CDA11917  Arctostaphylos manzanita G. F. Hrusa, G. L. Stebbins 1994-4-8 11734 Sonoma North Coast Biodiversity Arena; Cavedale edaphic island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Comment
  UCD160866  Arctostaphylos manzanita James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3304 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
  UCD59420  Arctostaphylos manzanita Walter and Irja Knight; Research Associates, Roger Raiche, and Steve Edwards 1983-7-3 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch. 274 Comment
  CAS-BOT-BC38990  Arctostaphylos manzanita Roger Raiche 1983-7-10 30489 Sonoma Ridge is eastern end of Rocky Mt. Ridge west of Blue Rock between Gray Creek to the south and Devil Creek to the north. 304 Comment
  HSC7652  Arctostaphylos manzanita R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1328 Sonoma ca. 1 mi. NW of the Big Geysers, along road Comment
  RSA633050  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24812 Sonoma Vinehill School Road [near Graton, E of Pitkin Marsh] 90 Comment
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Feb 9 2014
  RSA633059  Arctostaphylos manzanita Jon E. Keeley 1978-10-8 7265 Sonoma Road from Calistega to Santa Rosa. Comment
  SEINET11990976  Arctostaphylos manzanita Unknown 1983-1 30491 H Sonoma near confluence of Thompson Creek & East Austin Creek, East Austin Creek St. Rec. Area 91 Comment
  UCD51915  Arctostaphylos manzanita C. M. Belshaw 1936-3-7 1561 Sonoma 1/2 mile NW of Trenton. 60 Comment
  SD108298  Arctostaphylos manzanita subsp. bakeri Stephen W. Edwards 1981-2-16 Sonoma Green Hill Road Comment
  SEINET11987267  Arctostaphylos manzanita subsp. bakeri J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4101 Sonoma Strybing Arboretum, Golden Gate Park, San Francisco, orig. from near Occidental Comment
  CAS-BOT-BC38911  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38920  Arctostaphylos manzanita subsp. glaucescens Walter Knight; Irja Knight 1987-2-5 6083 Sonoma Pepperwood Preserve, Garrison Canyon 121 Comment
  CAS-BOT-BC38698  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1940-2-18 867 Sonoma Pitkin ranch, 10 miles west of Santa Rosa 45 Comment
  CAS-BOT-BC38700  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 10 Sonoma Vine Hill region, west of Santa Rosa Comment
  CAS-BOT-BC38717  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-3-9 3899 a Sonoma Vine Hill district on Frei Bros. Ranch Comment
  CAS-BOT-BC38746  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1932-3-12 5762 Sonoma Hillsides between Franz Valley and Knights Valley Comment
  POM209912  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma Residence of M.S. Baker, at west base of Mt. Hood. Comment
  SBBG28821  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC1388361  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-4-3 668 Sonoma near Healdsburg (creek is branch of Mill Creek); North Coast Ranges Wild Hog Ridge, headwaters Palmer Creek Comment
  CAS-BOT-BC38692  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-2-16 805 Sonoma Sonoma Mt. Rod. near Enterprise Rd. Comment
  RSA96694  Arctostaphylos manzanita subsp. manzanita P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20375 Sonoma 3.9 mi. s. of lake-Sonoma Co. line on n.w. slopes Mt. St. Helena. 640 Comment
  HSC7717  Arctostaphylos stanfordiana S. N. Wiemeyer 1962-1-28 4 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  RSA636808  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24743 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636818  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24740 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 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
  UC535025  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 6 Sonoma near Santa Rosa; Rincon Ridge Comment
  UCD53850  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 691 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  UCD53851  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 692 Sonoma On Rincon Ridge; near end of Parker Hill Road; ca. 4 miles north of Santa Rosa. Comment
  SEINET11984944  Arctostaphylos stanfordiana subsp. bakeri Unknown 1966-1 695 Sonoma E of Occidental Ridge on Graton Rd, ca 2.5 mi E of Occidental Comment
  CAS-BOT-BC47303  Arctostaphylos stanfordiana subsp. decumbens Walter Knight; Irja Knight; Dr. Steve Edwards 1985-5-19 6051 Sonoma Chapman Branch of Crane Creek nr. Dorman Canyon., s. of Mt. Bradford, nw x w of Healdsburg. 265 Comment
  JEPS95236  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS73685  Arctostaphylos stanfordiana subsp. stanfordiana L. R. Heckard 1968-2-25 1753 Sonoma along Cavedale Road about 5 mi from its junction with the Sonoma-Kenwood Road (edge of Macnab Cypress area, western slope of Hooker Canyon (head of)); w slope of Hooker Canyon (head of) 548 Comment
  RSA297193  Arctostaphylos stanfordiana subsp. stanfordiana Edward Lee, W. A. Setchell 1936-6-7 2190 Sonoma South ridge fire trail, Bohemian Grove. Comment
  RSA96695  Arctostaphylos stanfordiana subsp. stanfordiana P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20376 Sonoma 4 mi. s.w. of Lake-Sonoma Co. line, n.w. to w. slope Mt. St. Helena. 640 Comment
  CAS-BOT-BC47467  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight; Roger Raiche; Stephen W. Edwards 1983-7-3 4750 Sonoma The Cedars; Twitchell Ranch 274 Comment
  RSA534493  Aristolochia californica Peter Rubtzoff 1986-8-31 9735 Sonoma Off Summerhome Park Road 0.2 mile W of Forest HIlls Road. Comment
  UC1135994  Aristolochia californica H. S. Yates 1934-4-22 3850 Sonoma 3 mi. e. Mark West; Calistoga Quad. Comment
  UC6147  Aristolochia californica Alice King c. 1897 Sonoma Healdsburg Comment
  SEINET9291368  Armeria maritima Unknown 1994-5-25 Sonoma Bodega Head Comment
  CAS-BOT-BC64583  Armeria maritima subsp. californica Alice Eastwood 1915-6-29 4808 Sonoma Bodega Point. Comment
  UCD98489  Armeria maritima subsp. californica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 47 Sonoma Unit 2 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CDA5448  Arnica discoidea D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .281 Sonoma Cavedale Rd. Comment
  UCR255670  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway [2136 Bohemian Hwy, Occidental] 99 Comment
  UCD56032  Arrhenatherum elatius David L. Morgan 1956-6-10 s.n. Sonoma 2 miles south of Occidental. On Bohemian Highway. Comment
  CAS-BOT-BC90098  Artemisia Mary P. Wells 1988-9-7 965 Sonoma Rincon Valley, Santa Rosa Comment
  UCD38477  Artemisia californica Beecher Crampton 1955-6-17 2971 Sonoma State Hwy. 1, 3.5 miles south of Fort Ross. Comment
  CAS-BOT-BC90488  Artemisia douglasiana G. DeNevers 1981-9-12 1840 Sonoma Pepperwood Ranch. In Leslie Creek, near its confluence with Mark West Creek Comment
  UCD129246  Artemisia douglasiana Frederica Bowcutt 1994-6-24 1902 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. Sonoma Creek, Gray Pine Trail between Vista Trail and Meadow Trail. 408 Comment
  UCD129343  Artemisia pycnocephala D. R. Miller; D. S. Horning 1967-1-23 s.n. Sonoma Goat Rock Beach (near Jenner). Comment
  SEINET258285  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10233 .1 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  UCSB3798  Asarum caudatum Keator, Glenn 1959-4-1 Sonoma Abandoned picnic grounds, 1 mile southeast of northern city limits of Camp Meeker Comment
  UC449992  Asclepias cordifolia Milo S. Baker 1898-7-12 676 Sonoma Geyser Canyon Comment
  UC1084478  Asclepias fascicularis G. Thomas Robbins 1937-6-18 250 Sonoma College Avenue Santa Rosa Comment
  SEINET11718421  Aspidotis densa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -244 Sonoma end of Stoetz Road 200 Comment
  CDA10240  Aster chilensis P. Robinson 1985-8-1 s.n. Sonoma Guerneville, Sweetwater Springs Road. Comment
  CAS-BOT-BC376327  Asteraceae Greg de Nevers 1994-4-1 10517 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Cresta horse pasture 400 Comment
  CAS-BOT-BC376426  Asteraceae Greg de Nevers 1995-5-9 10725 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In quarry by Ward House. 400 Comment
  CAS-BOT-BC180467  Astragalus breweri A. A. Heller; H. E. Brown 1902-4-4 s.n. Sonoma Hills East of Santa Rosa Comment
  SEINET10947217 Image available Astragalus breweri William H. Brewer 1862-4-17 Brewer 979 Sonoma Near Sonoma in a field Comment
  UCD168059  Astragalus breweri James Neilson 1977-4-24 3885 Sonoma crest of Mayacmas Mountains. (Exact location unknown. Neilson may have been on the south side of Pine Mountain on this date.) Comment
  UC1573056  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma 7 mi ne Santa Rosa (near Alpine School); ne of Santa Rosa, near Alpine School 152 Comment
  CAS-BOT-BC178659  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma Open grassy hills in shallow volcanic clay soil, 7 mi. n.e. of Santa Rosa, near Alpine School 167 Comment
  UCD136295  Athyrium filix-femina var. cyclosorum Frederica Bowcutt 1984-6-24 468 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Southend of Gerstle Cove along creek. Just south of picnic area and parking for Environmental campsite #4. 30 Comment
  RSA0018575  Atriplex Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol Comment
  CAS-BOT-BC176182  Avena Peter Rubtzoff 1972-5-25 6766 Sonoma Laguna, Chileno Valley Comment
  SEINET10882908  Avena P. Rubtzoff 1972-5-25 Rubtzoff 6766 Sonoma Laguna, Chileno Valley. Comment
  UCR152284  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma North Coast Range, Asti Comment
  CAS-BOT-BC98648  Baccharis douglasii G. DeNevers 1981-7-11 1746 A Sonoma Pepperwood Ranch - at the big spring at the Skovie Comment
  CDA36850  Baccharis pilularis 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
  SD39655  Baccharis pilularis Edith A. Purer 1932-7-27 Sonoma Sand dunes Comment
  CAS-BOT-BC145831  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Sonoma West of Windsor near Russian River. Comment
  CAS-BOT-BC145832  Beckmannia syzigachne H. P. Bracelin 1930-7-20 20 Sonoma One mile north of Fort Ross. Comment
  CAS-BOT-BC145836  Beckmannia syzigachne Michener; Bioletti 1893-6-10 114 Sonoma Kenwood. Comment
  POM206249  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, southeast of Santa Rosa. Comment
  POM206250  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Sonoma West of Windsor near Russian river. Comment
  UC573778  Beckmannia syzigachne H. S. Yates 1936-5-16 5620 Sonoma near Grass Valley School; Sebastopol Quadrangle Comment
  CAS-BOT-BC75670  Berberis nervosa John Thomas Howell 1924-3-22 291 Sonoma Camp Meeker. Comment
  CHSC22858  Berula erecta Robert A. Schlising 1963-7-27 2630 Sonoma In fresh water marsh adjoining salt marsh on east side of Bodega Penninsula. Comment
  CAS-BOT-BC102005  Bidens frondosa John Thomas Howell 1946-8-17 22849 Sonoma The Laguna north of Sebastopol Comment
  UCR248911  Bidens frondosa Peter Rubtzoff 1968-9-21 5984 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCR248943  Bidens frondosa Peter Rubtzoff 1960-6-25 4509 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC290559  Bidens frondosa Peter Rubtzoff 1958-8-17 3891 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  RSA0015634  Bidens frondosa Peter Rubtzoff 1958-9-20 3995 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  SEINET11842881  Bidens frondosa W. Knight, Knight, I. 1984-1 5291 Sonoma Spring Lake, Santa Rosa Comment
  UCR248952  Bidens laevis Peter Rubtzoff 1967-8-30 5874 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  CAS-BOT-BC290576  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  SEINET3074489  Blennosperma bakeri M. S. Baker 1946-1 Sonoma Comment
  CAS-BOT-BC100248  Blennosperma bakeri Lewis S. Rose 1949-3-27 49015 Sonoma Type locality. Western outskirts of Sonoma in hog wallow about 0.25 mile south of Napa St. Comment
  CAS-BOT-BC105959  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma Between Warfield and Kenwood, along the highway. Comment
  JEPS35789  Blennosperma nanum var. nanum Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8930 Sonoma .3 mi s, near Stewart Creek crossing northern end of Arnold Drive; Glenn Ellen 97 Comment
  CAS-BOT-BC154956  Boisduvalia Peter Rubtzoff 1971-7-23 6613 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC154951  Boisduvalia densiflora Peter Rubtzoff 1969-8-26 6154 Sonoma On River Road, ca. 3 mi. W of Fulton Comment
  CAS-BOT-BC154952  Boisduvalia densiflora Peter Rubtzoff 1954-8-3 1638 Sonoma Lower Salmon Creek Marsh Comment
  SEINET12188875  Boisduvalia densiflora L. S. Rose 1938-1 38252 Sonoma Bloomfield 30 Comment
  SEINET8726059 Image available Boisduvalia densiflora var. imbricata Lewis S. Rose 1938-1 38252 Sonoma Bloomfield. 30 Comment
  CAS-BOT-BC154866  Boisduvalia glabella Peter Rubtzoff 1964-8-26 5473 Sonoma 6.5 miles NE of Penngrove on Lichan Road 426 Comment
  UCR250386  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1955-8-20 2083 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC290549  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1963-8-17 5221 Sonoma Salt marsh near Petaluma River just east of Petaluma. Comment
  CAS-BOT-BC376305  Boraginaceae Greg de Nevers 1992-4-8 10101 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Martin Creek. 400 Comment
  UC570898  Boykinia occidentalis H. L. Mason 1928-7-11 4889 Sonoma canyon two mi n Fort Ross; n of Fort Ross Comment
  CDA28562  Brachypodium distachyon D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .268 Sonoma Cavedale Rd. Comment
  UCD56889  Brachypodium phoenicoides Mary M. Hektner 1974-8-29 182 B Sonoma Unit 28 Owner's Map, Sea Ranch. Near State Hwy. 1. Comment
  CAS-BOT-BC145655  Brachypodium phoenicoides Peter G. Conners 1991-6-18 s.n. Sonoma In dunes at Bodgea Bay, between Salmon Creek and the State Park Road to the campground. Comment
  SEINET242411  Brassica napus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, across from entrance to marine facility, along roadside. Comment
  UCD57139  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 Sonoma Vine Hill, W of Santa Rosa Comment
  UC1130932  Briza minor H. S. Yates 1934-4-21 3824 Sonoma near Duncan's Mill; Duncans Mill Quadrangle Comment
  SEINET3921398  Briza minor A. A. Heller 1902-6-7 5649 Sonoma Bennett Valley, S.E. of Santa Rosa.; 0 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-BC486534  Brodiaea elegans subsp. elegans Peter Rubtzoff 1952-6-3 1170 Sonoma South slopes of Fitch Mountain, near Healdsburg Comment
  JEPS25733  Brodiaea stellaris Harry K. Roberts 1961-5-23 Sonoma about 1.75 mi ne Occidental (at top of grade, just w of County Dump, 1/4 to 1/2 mi w of type locality of Arctostaphylos Bakeri Eastw.); Harrison Grade 222 Comment
  UC353798  Brodiaea terrestris subsp. terrestris Milo S. Baker 1928-4-28 3002 b Sonoma Pitkin Swamp Comment
  CAS-BOT-BC486467  Brodiaea terrestris subsp. terrestris Mark Okada 1971-6-10 s.n. Sonoma Route ] , 3miles south of Gualala Comment
  CAS-BOT-BC486475  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1941-6-7 s.n. Sonoma 4.2 miles west of Jenner Comment
  UC463105  Brodiaea terrestris subsp. terrestris Milo S. Baker 1927-5-20 2148 b Sonoma Santa Rosa to Sebastopol highway (where concrete begins to the s) Comment
  CAS-BOT-BC311834  Bromus Peter Rubtzoff; Betty Lovell 1975-8-11 8315 Sonoma Kenwood Marsh. Comment
  UCD58209  Bromus carinatus P. B. Kennedy 1915-6-1 40 X Sonoma Del Mar. Comment
  UCD58258  Bromus carinatus Collector unknown 1941-6-1 Sonoma Santa Rosa. Veteran's Park. Comment
  CAS-BOT-BC149093  Bromus carinatus var. carinatus G. DeNevers 1981-6-20 1594 Sonoma Pepperwood Ranch. At confluence of Mark West Creek with Leslie Creek. 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
  SEINET249950 Image available Bromus carinatus var. carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UC573756  Bromus carinatus var. carinatus H. S. Yates 1936-5-17 5627 Sonoma 2 mi n of Bodega Bay 3 Comment
  UC1146636  Bromus carinatus var. maritimus Freed W. Hoffman 1944-7-1 1984 Sonoma North Coast Ranges, Bodega Bay Bodega Bay; North Coast Ranges, Bodega Bay Comment
  CAS-BOT-BC155896  Bromus catharticus var. elatus David L. Morgan 1956-4-24 s.n. Sonoma On State Highway #12, 1 mile east of Schellville Railroad Station. Comment
  UC574004  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 mi sw of Healdsburg 152 Comment
  UCR248935  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC155656  Bromus diandrus David L. Morgan 1956-6-26 s.n. Sonoma Bank of Austen Creek, 3 miles west of Monte Rio, on State Highway #12. Comment
  CAS-BOT-BC155662  Bromus diandrus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6228 Sonoma Tood Road Preserve. 24 Comment
  UC1534066  Bromus diandrus Carol Conner 1980-3-12 21 Sonoma 2 mi s of Glen Ellen (and 1/2 mi ne of Josephine Lake) 91 Comment
  CAS-BOT-BC155204  Bromus hordeaceus Peter Rubtzoff 1958-5-10 3640 Sonoma Laguna de Santa Rosa east of Cunningham (Near Llano Road). Comment
  SEINET11690154  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6278 Sonoma Todd Road Preserve 24 Comment
  JEPS128385  Bromus laevipes Roger Raiche 2000-5-4 064 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD151079  Bromus laevipes James A. Neilson Jr. 1974-6-1 3007 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD144425  Bromus laevipes Frederica Bowcutt 1994-6-25 1914 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Grey Pine Trail about 1/2 way between Brushy Peak Trail and Meadow Trail. 530 Comment
  UCD58886  Bromus laevipes Beecher Crampton 1959-6-16 5365 Sonoma 3 miles west of Graton. Comment
  RSA126879  Bromus marginatus H. S. Yates 1937-5-31 6566 Sonoma 1 1/2 miles northeast of Petrified Forest. 335 Comment
  CAS-BOT-BC161584  Bromus sterilis John Thomas Howell 1949-4-6 25305 Sonoma Along road southwest of Sonoma. Comment
  UCD151081  Bromus vulgaris James A. Neilson Jr. 1974-6-1 3022 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD60250  Bromus vulgaris Beecher Crampton 1955-6-17 2955 Sonoma 5 miles W of Cazadero. Comment
  UCR141958  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma North Coast Range, 1.6 miles west of Forestville, along State Highway 116 ['12'] 61 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
  HSC95464  Calamagrostis bolanderi Colette Beaupre 2000-7-6 Sonoma Near Sea Ranch, CA on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M 183 Comment
  UCD37161  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma Sonoma County, Sonoma Coast State Park, 8.7 miles south of Stewart's Point. Comment
  RSA94095  Calamagrostis bolanderi J. T. Howell 1947-6-5 23235 Sonoma Cunningham Marsh Comment
  UCR254900  Calamagrostis crassiglumis Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville 38 Comment
  SEINET253574 Image available Calamagrostis nutkaensis Barbara L. Wilson 1997-7-30 8902 Sonoma Salt Point State Park; Swale in grassy headland by the sea. 15 Comment
  UCD57519  Calamagrostis nutkaensis Beecher Crampton 1957-7-11 4318 Sonoma just south of Salmon Creek, along State Hwy. 1. Comment
  UCD57526  Calamagrostis nutkaensis Beecher Crampton 1957-7-22 4384 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  SEINET10521062  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 Beetle 4012 Sonoma 10 miles north of Fort Ross, open coastal hills, grazed. Comment
  CDA11252  Calamagrostis ophitidis G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-5 11875 Sonoma North Coast Biodiversity Arena; Colonial bunchgrass beneath open Cupressus sargentii woodland/forest. Large serpentine outcrop approx. 1 m. N of Camp Meeker on Bohemian Hwy.. 0 Comment
  JEPS128372  Calamagrostis ophitidis Roger Raiche 1999-6-20 016 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC963876  Calamagrostis ophitidis Milo S. Baker 1947-5-30 11772 Sonoma along Harrison Grade ca 2 mi ne Occidental; Nort Bay Counties Comment
  JEPS117091  Calandrinia ciliata Peter Warner 2010-4-15 129 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. Extension), approx. 1 km N of Jenner village, in ultramafic grassland about 25 m E of road. Comment
  SEINET9288286  Calendula arvensis Unknown 2000-3-6 20969 Sonoma Sonoma Comment
  UCR249037  Callitriche Peter Rubtzoff 1972-6-29 6814 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC290681  Callitriche heterophylla Peter Rubtzoff 1971-5-8 6450 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC293755  Callitriche palustris Peter Rubtzoff 1974-4-6 7351 Sonoma Kenwood Marsh. Comment
  UC17852  Callitriche trochlearis J. Burtt Davy 1896-3-14 1665 Sonoma Cazadero Comment
  JEPS61626  Calochortus amabilis F. Hein 1931-4-14 Sonoma Skaggs Spring Comment
  UC672157  Calochortus amabilis Herbert L. Mason 1934-4-28 8068 Sonoma Jensen's Ranch Dohrman Creek Comment
  UCR265242  Calochortus amabilis Ann Howald 2015-4-28 3375 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  CAS-BOT-BC483283  Calochortus amabilis Roxana S. Ferris; Laura Lorraine 1961-6-15 13551 Sonoma Harrison Grade Road, 0.3 mile from junction with Green Valley Road Comment
  CAS-BOT-BC483284  Calochortus amabilis Elsa Ruckert 1960-4-29 57 -408 Sonoma Trinity Road, 1/4 mile north form Highway 12 152 Comment
  POM210092  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 605 Sonoma Alexander Valley. Comment
  UCD139529  Calochortus luteus Frederica Bowcutt 1994-6-12 1850 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 75 yards N of Sonoma Creek. 411 Comment
  CAS-BOT-BC492637  Calochortus luteus James L. Reveal 1988-6-1 6971 Sonoma Along Geysers Road, 4.4 miles east-southeast of U.S. Highway 101 above Big Sulphur Creek, about 4 air miles northeast of Cloverdale, in sandy soil on a grassy flat associated with Quercus and Lupinus 243 Comment
  RSA491702  Calochortus luteus James L. Reveal 1987-6-7 6412 Sonoma Along Cavedale Road, about 1.5 mile south of Trinity Road, about 13 airline miles southeast of Santa Rosa 579 Comment
  SEINET6165496 Image available Calochortus luteus Unknown 1981-6-18 s.n. Sonoma W side of Ida Clayton Rd on Mt St Helena. Comment
  UC72482  Calochortus tolmiei Milo S. Baker 1898-4-5 5 Sonoma Coast Road Comment
  CAS-BOT-BC494037  Calochortus tolmiei A. A. Heller; H. E. Brown 1902-1-11 5263 Sonoma Bodega Bay Comment
  CAS-BOT-BC132635  Calochortus uniflorus Alice Eastwood 1921-4-24 10336 Sonoma Santa Rosa Comment
  UC1106200  Calochortus uniflorus Peter H. Raven 1950-4-6 1566 Sonoma Cotati to Santa Rosa 152 Comment
  UC65044  Calochortus uniflorus Milo S. Baker 1898-4-5 Sonoma between Stewarts Point Sea View Comment
  CAS-BOT-BC270709  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 miles N of Occidental Comment
  CDA12180  Calycadenia multiglandulosa G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 11420 Sonoma North Coast Biodiversity Arena; 3 miles W of Occidental along Coleman Valley Rd. Comment
  UCD37346  Calycadenia oppositifolia Beecher Crampton 1959-6-16 5374 Sonoma 1 mile east of Occidental. Comment
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Oct 16 2018
  RSA0009791  Calycadenia pauciflora Marcus E. Jones 1931-7-5 29125 Sonoma The Geysers. Comment
  UCD129847  Calycadenia pauciflora Gerald D. Carr 1972-9-11 731 Sonoma 1.0 mile west of Westside Road on Mill Creek Road, 2.5 miles southwest of Healdsburg. 106 Comment
  CAS-BOT-BC272756  Calycadenia truncata subsp. truncata John Thomas Howell 1932-10-9 10812 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC272761  Calycadenia truncata subsp. truncata Greg de Nevers 1990-7-24 9681 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Devils Kitchen 457 Comment
  CAS-BOT-BC91011  Calycanthus occidentalis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs. Comment
  RSA178025  Calycanthus occidentalis R. F. Thorne 1965-4-19 34315 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UC192556  Calycanthus occidentalis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UC4382  Calypso bulbosa J. Burtt Davy 1896-3-14 1652 Sonoma Cazadero Comment
  UC4384  Calypso bulbosa Miss Atterbury 1895-3-20 Sonoma Cazadero Comment
  UCR45086  Calyptridium quadripetalum L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  JEPS86302  Calystegia Jack and Betty Guggolz 1988-5-8 941 Sonoma Pine Flat Road, 7.9 miles from Highway 128 on east side of the road Comment
  SEINET215198  Calystegia Jay P. Smith 1968-4-28 7 Sonoma Bodega Bay south of Bodega Head 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
  UCD126065  Calystegia collina Jennifer Bury; Peggy Herzog 1993-5-8 275 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. 396 Comment
  JEPS86303  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1988-4-5 909 Sonoma North side of Ida Clayton Road 1.15 miles from its junction with Highway 128 Comment
  UCSB50245  Calystegia occidentalis Gray, John 1976-5-1 Sonoma Bluff above Blind Beach, 1/2 mile west of Highway 1; T7N R11W 60 Comment
  JEPS86313  Calystegia occidentalis subsp. occidentalis Jack and Betty Guggolz 1988-6-13 946 Sonoma Pine Flat Road 5.85 mi from its junction with Hwy 128; Pine Flat Road Comment
  CAS-BOT-BC224735  Calystegia purpurata subsp. saxicola Alice Eastwood 1899-4-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC436454  Calystegia subacaulis Alice Eastwood 1921-5-8 10473 Sonoma Petaluma Comment
  SEINET12327834  Calystegia subacaulis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -171 Sonoma 0.6 mi from junction of Harrison Grade Road on Stoetz Lane 146 Comment
  CAS-BOT-BC376398  Camassia quamash subsp. linearis Greg de Nevers 1996-4-18 10790 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch. 137 Comment
  JEPS61558  Camassia quamash subsp. quamash Eleanor Armstrong 1933-4-1 656 Sonoma near Occidental Comment
  UCD166111  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  NY679525  Camissonia cheiranthifolia subsp. cheiranthifolia E. K. Balls 1953-10-9 18597 Sonoma S end of Doran Park, Bodega Bay, Hwy 1. 3 Comment
  HSC16503  Camissonia ovata F. Demostene 1966-4-3 14 Sonoma 2 mi. E of Healdsburg Comment
  POM31995  Camissonia strigulosa A. A. Heller, H. E. Brown 1902-5-27 5613 Sonoma Bodega Bay. Comment
  LA93755  Camissoniopsis cheiranthifolia David C. Fruchtenicht; 1965-5-1 54 Sonoma 60 yards from the sea, Marine Biological Station, Horseshoe Cove, Boedga Head 15 Comment
  SD38638  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1932-7-21 4045 Sonoma Bodega Bay. Comment
  UCD103523  Camissoniopsis cheiranthifolia subsp. cheiranthifolia David C. Fruchtenicht 1965-5-1 54 Sonoma Marine Biological Station, Horseshoe Cove, Bodega Head. 6 Comment
  JEPS48129  Campanula angustiflora Milo Baker 1942-5-27 10203 Sonoma along road turning n Spring Mt. Road summit (near boundary of Sonoma and Napa Counties) Comment
  JEPS54477  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (Pitkin Marsh, near e end of Templeton Road); Pitkin Marsh 45 Comment
  SEINET10840067  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma Annapolis Comment
  SEINET10463220  Campanula prenanthoides Rowntree 1931-7-15 ROWNTREE s.n. Sonoma Stewart Peak, Skaggs Springs Road Comment
  RSA790007  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC37759  Cardamine californica A. A. Heller; H. E. Brown 1902-3-20 5104 Sonoma Near Windsor. Comment
  CAS-BOT-BC37761  Cardamine californica Milo S. Baker 1924-4-27 Local 104 c-24 Sonoma Coopers Grove. Comment
  JEPS53382  Cardamine californica Willis L. Jepson 1893-5-1 32 d Sonoma Knights Valley grade Napa River Basin, , on divide (on divide, Napa River Basin) Comment
  UCD114498  Cardamine californica R. H. Miller 1949-4-6 24 Sonoma 5 miles southeast of Monte Rio, on Highway 12. Comment
  CAS-BOT-BC37772  Cardamine californica Mrs. H. C. Cantelow 1937-3-25 s.n. Sonoma Near Valley Ford. Comment
  CAS-BOT-BC37778  Cardamine californica Elsa G. Ruckert 1960-3-12 15 Sonoma 0.5 mile from Highway 12 on Triniti Road, at roadside. 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
  CAS-BOT-BC38032  Cardamine oligosperma Peter Rubtzoff 1960-5-30 4428 Sonoma Vacation Beach, near Guerneville. Sandy Russian River bank. Comment
  CAS-BOT-BC38038  Cardamine oligosperma Mary P. Wells 1989-3-28 976 Sonoma By cement path to Friends House from 637 Bambi Lane, Rincon Valley, Santa Rosa. Comment
  UC727777  Cardamine oligosperma Milo S. Baker 1946-4-2 11305 Sonoma ca 1 mi below El Verano (w bank Sonoma Creek); , below El Verano Comment
  CAS-BOT-BC384864  Cardionema ramosissimum Lewis S. Rose 1956-7-16 56129 Sonoma Bodega Point 9 Comment
  CAS-BOT-BC173680  Carduus Peter Rubtzoff 1960-5-15 4327 Sonoma Fife Creek Marsh. Comment
  UCD164684  Carduus Peter Rubtzoff 1976-5-30 8569 Sonoma Kenwood Marsh. Comment
  UCD85586  Carduus pycnocephalus Gerry North 1993-4 43 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. South of Hillside trail, at fork by water tank. 426 Comment
  CDA37719  Carduus pycnocephalus Robin Breckenridge 2008-7-15 s.n. Sonoma Bodega; Bodega Dunes State Park. 0 Comment
  UCD161859  Carex James A. Neilson Jr. 1973-6-6 s.n. Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  UCR254828  Carex abrupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  JEPS86341  Carex albida Jack and Betty Guggolz 1988-5-14 935 Sonoma n side of Pitkin Creek about 50 meters in from Hwy. 116; Rancho Molinos, Pitkin Creek Comment
  CAS-BOT-BC329308  Carex barbarae Peter Rubtzoff 1974-6-2 7516 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC19372  Carex barbarae Bioletti 1893-6-1 s.n. Sonoma Los Guilicos Valley. Comment
  CAS-BOT-BC310301  Carex barbarae Peter Rubtzoff 1969-8-24 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  CAS-BOT-BC310302  Carex barbarae Peter Rubtzoff 1971-8-9 s.n. Sonoma Laguna Lake area, Cileno Valley. Comment
  RSA295078  Carex barbarae Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4209 Sonoma Trenton Rd., by the Boriolo Ranch, just S of and paralleling River Rd., approx. halfway between Guerneville and Santa Rosa. (Near N part of Laguna de Santa Rosa). 15 Comment
  SEINET7551510 Image available Carex barbarae Don Pendleton 1993-5-29 5297 Sonoma Westside Road, Russian River Valley, ca. 5 miles SW of Healdsburg. Comment
  UC70606  Carex bolanderi Bioletti 1893-6-5 Sonoma South Los Guilucos Valley Comment
  CAS-BOT-BC34026  Carex brevicaulis Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 0.5 mile east of Stoetz Road. 152 Comment
  CAS-BOT-BC34025  Carex brevicaulis John Thomas Howell 1938-7-3 13954 Sonoma 3 miles south of Sebastopol. Comment
  CAS-BOT-BC110185  Carex buxbaumii Peter Rubtzoff 1952-5-10 1004 Sonoma Ptikin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  JEPS120454  Carex californica Daniel Slakey 2013-8-10 60 Sonoma Salt Point State Park, along North Trail, about 100 m north of the intersection with Central Trail. Comment
  CAS-BOT-BC34424  Carex cusickii Peter Rubtzoff 1951-6-10 189 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC34425  Carex cusickii John Thomas Howell; J. W. Stacey 1936-7-26 12683 Sonoma Pitkin Marsh. 5 miles north of Sebastopol. Comment
  CAS-BOT-BC20501  Carex densa Peter Rubtzoff 1974-6-2 7509 Sonoma Sonoma County Marshes. Upper Green Valley Marsh. Comment
  CAS-BOT-BC242639  Carex densa Peter Rubtzoff 1957-5-11 3338 Sonoma Occidental Marsh Comment
  CAS-BOT-BC474744  Carex densa James A. Neilson, Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers 731 Comment
  CHSC55433  Carex densa James Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  UCD151070  Carex densa James A. Neilson Jr. 1974-6-1 2767 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines and state highway 175, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC18992  Carex densa M. S. Baker 1936-1-1 8196 Sonoma Near Wright School, Highway 12. 4 miles west of Santa Rosa on road to Sebastopol. Comment
  CAS-BOT-BC19901  Carex echinata subsp. phyllomanica Peter Rubtzoff 1951-6-10 195 Sonoma The Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC290571  Carex echinata subsp. phyllomanica Peter Rubtzoff; Bacigalupi; Chuang; Heckard 1971-6-10 6536 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC19953  Carex exsiccata A. A. Heller 1902-7-1 5798 Sonoma Lagoon at Sebastopol. Comment
  RSA52330  Carex exsiccata J. T. Howell 1946-8-17 22858 Sonoma The Laguna east of Sebastopol Comment
  CAS-BOT-BC320552  Carex feta Peter Rubtzoff; Tim Tunison 1976-6-5 8586 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC20446  Carex globosa G. DeNevers 1981-6-20 1645 Sonoma Pepperwood Ranch. Comment
  CAS-BOT-BC28361  Carex gracilior Peter Rubtzoff 1951-6-7 148 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper marsh. Comment
  JEPS117132  Carex hassei Peter Warner, Kara Doolin, Anthony Nelson 2010-6-28 168 Sonoma Lower Pitkin Marsh, ~ 63 m, N 49 deg. E of gate at Hwy. 116, just N of interior fence Comment
  UCR249356  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncan Mills Marsh 2 Comment
  SEINET1783034  Carex lacunarum A. A. Heller 1902-7-1 5797 Sonoma At Sebastopol. Comment
  CAS-BOT-BC31170  Carex lemmonii Milo S. Baker 1946-5-13 11392 Sonoma Marsh adjoining Pitkin Ranch on the North. Comment
  CAS-BOT-BC32524  Carex lemmonii John Thomas Howell; John William Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  UCR249048  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh Comment
  UCR249077  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh 15 Comment
  CAS-BOT-BC119578  Carex nudata John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54677 Sonoma Bouverie Audubon Preserve, ca 1.5 mi E of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC119315  Carex obnupta Peter Rubtzoff 1951-6-10 208 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  CAS-BOT-BC290572  Carex obnupta Peter Rubtzoff 1964-5-20 5305 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC119250  Carex pachystachya Peter Rubtzoff 1951-6-7 112 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC117672  Carex serratodens Gregory Clark de Nevers 1987-4-25 8164 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd. 400 Comment
  UC70608  Carex serratodens Bioletti June, 1893 Sonoma Los Guilocos Valley Comment
  RSA0023000  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh. Comment
  RSA0023072  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC329279  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC26247  Carex sonomensis John Thomas Howell; J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh 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
  RSA0020342  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) Comment
  UCD140874  Carex subbracteata Lewis S. Rose 1964-6-3 64052 Sonoma north end of Bodega Bay. 1 Comment
  CAS-BOT-BC320500  Carex subbracteata var. subbracteata Peter Rubtzoff 1976-5-30 8564 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC350933  Carex tumulicola Peter Rubtzoff 1954-7-5 1541 Sonoma Guerneville Marsh. Comment
  UC836641  Carex tumulicola Lewis S. Rose 1939-5-14 39118 Sonoma 1 mi e Bodega Bay 30 Comment
  CAS-BOT-BC115528  Carex tumulicola David Morgan 1961-4-26 s.n. Sonoma Top of William Hill, 5 mi SW of Petaluma. Comment
  CAS-BOT-BC230227  Carpobrotus edulis John H. Thomas 1976-6-15 18302 Sonoma S end of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  CAS-BOT-BC281920  Carthamus lanatus Greg de Nevers 1992-7-22 10223 Sonoma Sonoma Mountain, Lichau Rd, Fairfield-Osborn Preserve 243 Comment
  CDA7004  Carthamus leucocaulos T. C. Fuller 1970-5-4 19484 Sonoma 2 miles west of the overpass, Highway 101, Asti. 0 Comment
  SEINET9362144  Carthamus leucocaulos Unknown 1978-8-17 20253 Sonoma 12 plants in a line along the inner face of dam at edge of water cutting action, 1.6 km W of freeway exit, hwy 101, Asti. Botany 102, Botany Department, University of California, Davis. Comment
  CLARK-A1528-2182  Carthamus tinctorius John C. Roos, Lucille Roos 1956-9-2 6599 Sonoma Healdsburg Comment
  CAS-BOT-BC249236  Castilleja affinis Milo S. Baker 1924-4-27 102 Local-'24 Sonoma Road to Coopers Grove Comment
  JEPS9142  Castilleja ambigua subsp. ambigua Docia Patchett 1918-5-28 78 Sonoma near Black Point (3 mi n of Stewarts Point and 6 mi s of Mendocino County line) Comment
  RSA19277  Castilleja ambigua subsp. ambigua Jens Clausen 1935-5-24 1095 Sonoma 6.5 mi. S. of Jenner on the Bodega Road. Comment
  RSA239766  Castilleja ambigua subsp. ambigua Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1084 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  UC1300924  Castilleja ambigua subsp. ambigua Helen K. Sharsmith 1962-5-25 5480 Sonoma from Freestone to Occidental (along the road) Comment
  UCD151183  Castilleja attenuata James A. Neilson Jr. 1974-4-16 2873 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  JEPS9415  Castilleja densiflora subsp. densiflora W. L. Jepson 1911-4-30 4187 Sonoma Sonoma Valley 83 Comment
  UC535060  Castilleja densiflora subsp. densiflora H. E. and S. T. Parks 1930-5-7 632 Sonoma n end Knight's Valley 106 Comment
  UCD122482  Castilleja foliolosa Frederica Bowcutt 1996-5-24 2168 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road W of kiosk. 670 Comment
  JEPS66231  Castilleja miniata subsp. miniata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6903 Sonoma about south-central Pitkin Marsh (near end of Templeton Road); , about south-central Comment
Read comments
Oct 15 2010
  CHSC63927  Castilleja subinclusa subsp. franciscana John Hale 1990-4-10 15 Sonoma 305 m. NW of Ocean Cove. 6 Comment
  JEPS35569  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1385 Sonoma s side Russian River (just across bridge on State Highway 1) Comment
  JEPS116517  Castilleja subinclusa subsp. franciscana Peter Warner 2009-6-3 103 Sonoma Poff Ranch, Wright Hill Road E about 1 mi off State Hwy 1, in grassland 50 m ESE of main (west) gate 250 Comment
  CAS-BOT-BC32577  Castilleja uliginosa John Thomas Howell 1937-6-6 13031 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC241089  Castilleja uliginosa Peter Rubtzoff 1952-10-26 1328 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  JEPS60458  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-30 6697 Sonoma 6.5 mi s Gualala (on Highway 1) Comment
  UC26494  Castilleja wightii Harley P. Chandler 1900-5-25 710 Sonoma Bodega Bay Comment
  SEINET12347379  Castilleja wightii F. H. Utech 1988-5-21 88 -223 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  CAS-BOT-BC47803  Ceanothus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC48510  Ceanothus confusus Ira L. Wiggins 1949-4-30 12083 Sonoma about 1.5 miles from summit of Mount St. Helena 1066 Comment
  CAS-BOT-BC48521  Ceanothus confusus J. Clausen 1933-3-26 735 Sonoma Rincon Range east of Santa Rosa Comment
  UC80038  Ceanothus confusus Katharine Brandegee 1889-4 74 Sonoma Mt. St. Helena Comment
  UC870630  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  UC870631  Ceanothus confusus John Thomas Howell 1937-7-4 13080 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  RSA339398  Ceanothus cuneatus Roger Raiche 1985-4-6 50182 Sonoma Dry Creek area near Healdsburg, ridge W of Dry Creek Valley, unamed road N of Dorman Canyon on ridge. 244 Comment
  UC70420  Ceanothus cuneatus var. cuneatus Milo S. Baker 1898-6-11 652 Sonoma Little Sulphur Creek Comment
  JEPS116512  Ceanothus divergens Peter Warner 2009-4-10 99 Sonoma Pepperwood Preserve; ; ; Pepperwood Preserve, Franz Valley Road, approx. 0.6 mi WNW of Jct. Franz Valley - Franz Valley School Roads 300 Comment
  UC870541  Ceanothus divergens Milo S. Baker 1940-1-1 9588 Sonoma rd. from Calistoga towards Franz Valley (near School House) Comment
  SEINET12210765  Ceanothus divergens W. Knight, Knight, I. 1982-1 4521 Sonoma Tilden Botanic Garden, Berkeley Comment
  SEINET12210805  Ceanothus divergens W. Knight, Knight, I. 1983-1 4663 Sonoma Tilden Botanic Garden, Berkeley. Orig coll. from Franz Valley School Rd Comment
  RSA177972  Ceanothus divergens subsp. confusus Robert F. Thorne 1965-4-20 34348 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  CAS-BOT-BC64355  Ceanothus foliosus Peter Rubtzoff 1953-5-17 1398 Sonoma Forested hills s. of Guerneville. Comment
  CHSC39450  Ceanothus foliosus B. A. Stein; B. Shumacher 1981-3-7 445 Sonoma Vine Hill School Rd. 45 Comment
  UC1070624  Ceanothus foliosus C. M. Belshaw 1936-3-8 1590 Sonoma 3/4 mi n Annadel (nw of Kenwood.); Santa Rosa quad. 144 Comment
  UC33653  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  UCD160879  Ceanothus foliosus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3283 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Whispering Pines, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC49910  Ceanothus foliosus var. foliosus A. A. Heller; H. E. Brown 1902-5-29 5619 Sonoma Mt. Hood Comment
  JEPS25144  Ceanothus foliosus var. foliosus G. Thomas Robbins 1959-5-16 4014 Sonoma Spring Mountain Road, between Calistoga Road and Sonoma-Napa County line Mayacamas Mountains 518 Comment
  CAS-BOT-BC49907  Ceanothus foliosus var. foliosus E. Ruckert 1960-4-17 104 Sonoma Trinite Road, 1/2 mile east of Highway 12 304 Comment
  RSA122536  Ceanothus foliosus var. vineatus C. M. Belshaw 1936-3-7 1569 Sonoma Vine Hill. Comment
  CAS-BOT-BC50011  Ceanothus gloriosus Milo S. Baker 1935-4-1 8032 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC870562  Ceanothus gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S of Stewart's Point Comment
  SEINET12210790  Ceanothus gloriosus W. Knight, Knight, I. 1982-1 4511 Sonoma Tilden Botanic Garden, Berkeley Comment
  CAS-BOT-BC49948  Ceanothus gloriosus var. exaltatus Walter Knight; Irja Knight 1963-11-21 417 Sonoma Guerneville Rd near Laguna Rd. Comment
  CAS-BOT-BC49954  Ceanothus gloriosus var. exaltatus J. Clausen 1933-3-26 742 Sonoma southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road Comment
  LA43584  Ceanothus gloriosus var. exaltatus Henry Reents; 1936-5-2 sn Sonoma 0.5 mi. past slough, on rd. to Rio Nido Comment
  RSA25701  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-17 11022 Sonoma 1 mile NW of Sebastopol along Hwy 12; 1 mile even from main corner. 30 Comment
  RSA276844  Ceanothus incanus James I. McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mtn and the Geysers Comment
  UC1299550  Ceanothus incanus Freed W. Hoffman 1947-6-4 598 Sonoma tributary of East Austin Creek Comment
  UC486493  Ceanothus incanus H. E. and S. T. Parks 1939-5-10 841 Sonoma Knights Valley Comment
  UCD112175  Ceanothus incanus Collector unknown Date unknown s.n. Sonoma southeastern part of county. Comment
  UC80042  Ceanothus integerrimus Katharine Brandegee May 1890 Sonoma Geysers Comment
  RSA1120  Ceanothus integerrimus var. californicus B. D. Stark, H. E. McMinn 1929-7-22 1380 Sonoma Sonoma-Mendocino County line. Comment
  CAS-BOT-BC50645  Ceanothus jepsonii James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge sout of the Geysers Comment
  CAS-BOT-BC50646  Ceanothus jepsonii J. Clausen 1933-3-26 748 Sonoma Summit of Harrison Grade. Between Graton and Occidental Comment
  UC1614277  Ceanothus jepsonii Charles M. Belshaw 1936-3-7 1554 Sonoma 1 mi. n.e. Occidental Comment
  SEINET12211130  Ceanothus jepsonii var. albiflorus Unknown 1985-1 50182 Sonoma Dry Cr. area nr Healdsburg, ridge W of Dry Cr Valley, unnamed road n of Dorman Cyn 244 Comment
  CAS-BOT-BC51873  Ceanothus parryi Rimo Bacigalupi 1926-5-2 1396 Sonoma Along N.W. P. railroad right of way, about 5 mi. South of Cazadero Comment
  CAS-BOT-BC51881  Ceanothus parryi Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford Comment
  OBI10391  Ceanothus parryi H. E. McMinn 1941-4-26 5321 Sonoma North of Guerneville Comment
  SJSU14042  Ceanothus parryi C. L. Schmidt 1986-4-11 1109 Sonoma Trinity Rd, 1.5 mi E of Hwy 12 198 Comment
  UC634610  Ceanothus parryi Rimo Bacigalupi 1926-5-2 1396 Sonoma Cazadero Comment
  UCD112486  Ceanothus parryi Collector unknown Date unknown s.n. Sonoma S.W. part of county. Comment
  SDSU10296  Ceanothus parvifolius D. F. Howe 1972-4-28 4811 Sonoma Trinity Road, Mt. Hood Range. 396 Comment
  UC1299559  Ceanothus prostratus Freed W. Hoffman 1947-8-4 1429 Sonoma Mt. St. Helena North Coast Ranges, Mt. St. Helena 792 Comment
  UC1614462  Ceanothus purpureus Charles M. Belshaw 1936-3-8 1582 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood) 144 Comment
  CAS-BOT-BC53050  Ceanothus sonomensis Milo S. Baker 1946-2-14 11266 Sonoma Hope Valley near Chamberlain Place, region of Kenwood Comment
  CAS-BOT-BC83737  Ceanothus sonomensis D. O. Burge 2007-4-26 895 a Sonoma Mayacmas Mountains, head of Hooker Canyon 560 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
  UC1614463  Ceanothus sonomensis Charles M. Belshaw 1936-3-8 1581 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood) 144 Comment
  CAS-BOT-BC52345  Ceanothus thyrsiflorus Mary P. Wells 1985-9-13 655 Sonoma Forest no. of juncture of Timber Ridge and Longmeadow roads, the Sea Ranch Comment
  UCD112734  Ceanothus thyrsiflorus var. griseus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UC1362456  Ceanothus velutinus Frederick Karl Klein 1969-9-8 Sonoma Seaview Road 0.6 mi nw intersection with Ben Way (nw of Fort Ross); nw of Fort Ross 396 Comment
  JEPS15042  Centaurea benedicta unknown 1877-1-1 Sonoma Healdsburg Comment
  UC397072  Centaurea iberica Grace M. Cole 1929-7-29 Sonoma Santa Rosa Comment
  CDA37726  Centaurea iberica R. Breckenridge/S. Ostrom 2009-7-9 s.n. Sonoma Franz Valley, Oak Ridge Angus. 0 Comment
  CAS-BOT-BC277255  Centaurea solstitialis G. DeNevers 1981-6-20 1584 Sonoma Pepperwood Ranch. Leslie Creek Comment
  RSA662536  Centaurium floribundum J. C. Roos 1957-7-3 6652 Sonoma Healdsberg Comment
  UCD160839  Centromadia fitchii James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3482 Sonoma Section 10, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  CAS-BOT-BC288807  Centromadia fitchii G. De Nevers; J. Shumate 1981-7-25 1868 Sonoma Pepperwood Ranch. W of 3 Tree Hill Comment
  CAS-BOT-BC288813  Centromadia fitchii James I. McMurphy 1917-9-15 s.n. Sonoma Litton Station 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-BC249313  Cerastium Peter Rubtzoff 1963-6-22 s.n. Sonoma Bennett Mountain Lake. Comment
  UCD97988  Cerastium arvense subsp. strictum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-4 120 Sonoma Unit 28 Owners' Map Sea Ranch, near State Highway 1. Comment
  SD134007  Ceratophyllum demersum Peter Rubtzoff 1962-10-23 5123 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville roads. Comment
  RSA181418  Cercis occidentalis James I. McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain. Comment
  CAS-BOT-BC279783  Chamaemelum fuscatum John H. Thomas 1966-3-18 11480 Sonoma 2 miles south of Asti as measured along the road along highway 101 Comment
  UCD35265  Chamaemelum fuscatum Beecher Crampton 1955-3-14 2319 Sonoma Asti. Comment
  JEPS52330  Chamaesyce serpyllifolia Milo S. Baker 1898-11-25 744 Sonoma near Healdsburg; Russian River bed Comment
  RSA0010715  Chasmanthium latifolium Joan Stewart 1997-6-8 635 Sonoma Luther Burbank Home and Gardens, Santa Rosa CA Comment
  SEINET5763969 Image available Chenopodium ambrosioides H. S. Reed 1948-1 2025 Sonoma Sonoma Creek, near Kenwood Comment
  UC1563651  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma ca 5 mi due s Cloverdale (point below Little Flat parking area, Lake Sonoma, w of bridge); Lake Sonoma 152 Comment
  JEPS128347  Chlorogalum pomeridianum var. pomeridianum Roger Raiche 2000-5-28 118 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  LA206575  Chorizanthe cuspidata var. cuspidata John Thomas Howell; 1930-6-8 5217 Sonoma N end of Bodega Bay Comment
Read comments
Feb 25 2015
  CAS-BOT-BC191508  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC257010  Chorizanthe membranacea H. N. Bolander 1860-1-1 3959 Sonoma At the geysers Comment
  CAS-BOT-BC252849  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1918-5-1 6832 Sonoma Mt. St. Helena Comment
  CHSC297  Chrysanthemum segetum 1952-7-15 Sonoma Coastal. 30 Comment
  POM289615  Chrysanthemum segetum Lyman Benson 1934-8-30 6132 Sonoma Bodega Bay, Seaward N Coast Mt. Range, Pacific Ocean Watershed 30 Comment
  RSA749089  Chrysolepis chrysophylla P. C. Pendse 1979-10-7 s.n. Sonoma Salt Point State Park. Next to ranger station. Among bishop pines, coast redwood, and tan oaks. Comment
  RSA82848  Chrysolepis chrysophylla J. M. Tucker 1951-6-26 2143 Sonoma Near Top of the World Ranch, ca. 5 miles due east of Glen Ellen. Comment
  UC1011105  Chrysolepis chrysophylla var. chrysophylla Milo S. Baker 1941-8-4 8591 Sonoma 2 mi n Stewart's Point - Healdsburg Highway (Richardson's Ranch, at a point 5 mi from the coast) 457 Comment
  CAS-BOT-BC176186  Cichorium intybus Peter Rubtzoff 1955-9-10 2128 Sonoma Guerneville Marsh. Comment
  RSA791554  Cichorium intybus Peter Rubtzoff 1966-8-25 5808 Sonoma Marshes: Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC173837  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC279996  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  CAS-BOT-BC280001  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  SEINET11842966  Cirsium occidentale var. coulteri F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -197 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 830 Comment
  POM53749  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  UC30832  Cirsium occidentale var. venustum F. T. Bioletti 1893-1-1 Sonoma Glen Ellen Comment
  RSA0070858  Cirsium quercetorum J. T. Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay. Comment
  RSA0070859  Cirsium quercetorum J. T. Howell 1938-7-3 13953 Sonoma Stony Point. Comment
  CAS-BOT-BC285752  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC285751  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC285756  Cirsium remotifolium W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5441 Sonoma Cherry Creek Road W of Cloverdale Comment
  CAS-BOT-BC371461  Cirsium remotifolium var. odontolepis Greg de Nevers 1989-6-10 9080 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. East side of Horse Hill. 400 Comment
  JEPS79728  Cirsium remotifolium var. odontolepis Edward Lee with W. A. Setchell 1936-6-7 2205 Sonoma MacLaren Trail Bohemian Grove (roadside) Comment
  UC30827  Cirsium remotifolium var. odontolepis F. T. Bioletti 1892-1 Sonoma Tracy Comment
  CAS-BOT-BC285898  Cirsium vulgare John Thomas Howell 1930-6-8 5286 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC438976  Cistanthe monosperma Annie F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  CAS-BOT-BC162607  Clarkia W. R. Dudley 1893-9-9 s.n. Sonoma Russian River Comment
  CDA40774  Clarkia affinis S. Quick 1996-5-1 8 Sonoma Along Road 32, within 50 meters of the U.C. Reserve access road leading to Stebbins Cold Canyon Reserve. Comment
  UC1299416  Clarkia affinis Freed W. Hoffman 1947-5-18 771 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC423079  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  POM180690  Clarkia amoena subsp. amoena J. T. Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  RSA32039  Clarkia amoena subsp. amoena Katherine Brandegee 1905-06 s.n. Sonoma Bodega Bay Comment
  SEINET3260630 Image available Clarkia amoena subsp. amoena Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15198 Sonoma Two miles North of Kellogg. Comment
  UC1018289  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 866 Sonoma 4.0 mi w Mark West Springs Comment
  POM32042  Clarkia amoena subsp. huntiana Katherine Brandegee 1908-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC172221  Clarkia concinna Mrs. E. C. Sutliffe 1927-6-1 s.n. Sonoma Near Monte Rio Comment
  CAS-BOT-BC172222  Clarkia concinna Mrs. E. C. Sutliffe 1894-5-15 s.n. Sonoma Cazadero Comment
  SBBG60242  Clarkia concinna E. Rockwell -Jun-1926 Sonoma Guerneville, Russian River Comment
Read comments
Mar 19 2010
  LA206049  Clarkia concinna H. Lewis; 1951-7-10 868 Sonoma 0.7 mi W of Mark West Spring Comment
  SEINET12195099  Clarkia concinna F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -254 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET4143382  Clarkia concinna W. Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, NE of Santa Rosa 61 Comment
  CHSC41507  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6070 Sonoma 5.6 miles e of Red Winery Road on the road to the Geysers. 609 Comment
  UC400139  Clarkia concinna subsp. concinna Ynez Mexia 1929-6-2 2394 Sonoma near Mark West Springs Comment
  POM126043  Clarkia concinna subsp. concinna A. T. Graff 1925-5-20 s.n. Sonoma Trooper s, Cazadero Comment
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Nov 4 2015
  POM253277  Clarkia concinna subsp. concinna A. A. Heller 1938-5-14 15087 Sonoma Just east of Bodega Bay. Comment
  UCD104540  Clarkia gracilis Frederica Bowcutt 1994-5-21 1810 a 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
  CAS-BOT-BC163144  Clarkia gracilis subsp. sonomensis W. W. Carruth 1899-7-1 s.n. Sonoma Healdsburg Comment
  SEINET12195100  Clarkia gracilis subsp. sonomensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -246 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 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
  UC486497  Clarkia purpurea subsp. quadrivulnera H. E. and S. T. Parks 1930-5-10 606 Sonoma Knights Valley Comment
  CAS-BOT-BC165674  Clarkia unguiculata Freed W. Hoffman 1947-6-4 509 Sonoma Upper reaches of East Austin Creek, Rocky Mountain Comment
  RSA6471  Claytonia exigua subsp. exigua Jens Clausen 1933-3-26 745 Sonoma Harrison Grade, betwen Grtaon and Occidental. In orchard, gravelly soil. Comment
  CAS-BOT-BC439408  Claytonia gypsophiloides A. A. Heller 1902-3-16 5073 Sonoma Near Trenton Comment
  UCR265123  Claytonia parviflora subsp. parviflora Ann Howald 2015-4-1 3324 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  CAS-BOT-BC439639  Claytonia parviflora subsp. parviflora G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  SEINET9321581  Claytonia perfoliata John Nelson, Wnek, R. 2000-3-7 20938 Sonoma Fern Grove Cottages Comment
  UCD100809  Claytonia perfoliata subsp. perfoliata Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-27 77 A Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC443869  Claytonia sibirica Dorothy Scherer 1996-3-25 015 Sonoma Kolmer Gulch, west of Hwy 1 ca 250', Fort Ross State Historic Park 1 Comment
  CAS-BOT-BC92751  Clematis ligusticifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CDA11954  Clintonia andrewsiana G. F. Hrusa 1990-6-5 8111 Sonoma North Coast Biodiversity Arena; on Stewart's Point Rd., near Wheatfield Fk. Gualala R. crossing, approx. 3 m W of Stewart's point. Comment
  UC1585374  Clintonia andrewsiana R. Raiche, K. Zadnik, and H. Forbes 1989-1-10 Sonoma 4.3 km e of Stewarts Point (on Skaggs Springs-Stewarts Point Road, along Gualala River); Gualala River 50 Comment
  JEPS55587  Clintonia andrewsiana W. Roderick 1961-4-9 Sonoma near the Gualala River (ne of Fort Ross, Richardson Ranch, Tin Barn Road); Richardson Ranch, Tin Barn Road Comment
  JEPS34532  Collinsia sparsiflora var. collina Freed W. Hoffman 1950-5-15 3730 Sonoma Pole Mt. near Cazadero; North Coast Ranges, Pole Mt. Comment
  JEPS7308  Collinsia tinctoria Milo S. Baker 1904-6-19 Sonoma Sonoma Cr. Canyon Comment
  CDA5447  Collomia heterophylla D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .286 Sonoma Cavedale Rd. Comment
  UC1299534  Collomia heterophylla Freed W. Hoffman 1947-6-4 596 Sonoma Mill Creek Road to East Austin Creek; North Coast Ranges Comment
  UC23632  Collomia heterophylla Harley P. Chandler 1900-5-25 662 Sonoma Bodega Comment
  SEINET12332731  Collomia heterophylla W. Irja, Knight, T. 1985-1 5147 Sonoma Annapolis on Kelly Road Comment
  UCSB21858  Conium maculatum McCarthy, Sharon 1965-4-16 Sonoma Sonoma Creek; approx. 0.5 mile north of bridge at Leveroni Rd., Sonoma 24 Comment
  CAS-BOT-BC344847  Conyza Peter Rubtzoff 1990-10-27 10234 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC288914  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  JEPS45845  Corallorhiza maculata Eleanor Armstrong 1932-5-20 501 Sonoma 3 1/2 mi s Camp Meeker 91 Comment
  UCR256101  Cordylanthus Greg de Nevers 1997-8-17 11074 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  JEPS33001  Cordylanthus pilosus subsp. pilosus Freed W. Hoffman 1946-8-14 783 Sonoma near serpentine island e Camp Meeker; North Coast Ranges Comment
  UC1239011  Cordylanthus pringlei Freed W. Hoffman 1947-8-10 1433 Sonoma Red Slide, headwaters East Austin Creek Red Slide Comment
  UC1329012  Cordylanthus pringlei Freed W. Hoffman 1946-8-30 574 Sonoma Red Slide, East Austin Creek Red Slide; North Coast Ranges Comment
  JEPS2540 Image available Cordylanthus tenuis subsp. brunneus W. L. Jepson 1894-7-19 21109 Sonoma Mt. St. Helena Napa River Basin; Mt. St. Helena, Napa River Basin 1127 Comment
  RSA114161  Cordylanthus tenuis subsp. brunneus Milo S. Baker 1947-7-15 11866 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  HSC20636  Cordylanthus tenuis subsp. brunneus L. S. Rose 1962-8-6 62078 Sonoma 2 mi. NE of Occidenatal 183 Comment
  CAS-BOT-BC238235  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-8-6 62078 Sonoma 2 mi. ne. of Occidental 182 Comment
  JEPS29842  Cordylanthus tenuis subsp. capillaris Rimo Bacigalupi and L. Heckard, J. Weiler 1961-6-23 7832 Sonoma ca. 3/4 mi nw Occidental School (nw of garbage disposal area, along Stoetz Lane, 0.5 mi nw of its junction with Harrison Grade road.) 228 Comment
Read comments
Jul 27 2009
  CAS-BOT-BC101573  Corethrogyne filaginifolia Mary P. Wells 1982-7-3 s.n. Sonoma Unit 34A, The Sea Ranch Comment
  UCD130836  Corethrogyne filaginifolia Mary M. Hektner; Sue Dakuzaku 1974-6-19 27 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  UC1042524  Cornus sericea subsp. sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh near Forestville (uppermost part of w. branch of Upper Marsh) Comment
  UC723024  Coronopus didymus C. L. Hitchcock, J. S. Martin 1939-7-15 5445 Sonoma below Bodega State Park Comment
  CAS-BOT-BC290295  Cotula coronopifolia M. E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC290300  Cotula coronopifolia Peter Rubtzoff 1951-7-14 451 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC427648  Crassula aquatica Peter Rubtzoff 1963-6-6 5163 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC427658  Crassula aquatica Peter Rubtzoff 1971-7-3 6587 Sonoma Near (south of) U.C. Bodega Marine Laboratory dormitory. Comment
  CAS-BOT-BC368092  Crassula connata Greg de Nevers 1998-5-5 11226 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC143513  Crataegus gaylussacia Peter Rubtzoff 1973-10-10 7344 Sonoma (Tributary of Americano Creek) 2 mi. west of Bloomfield Comment
  UCD142044  Croton setiger Frederica Bowcutt 1994-6-24 1886 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. Lower Bald Mountain trail. 426 Comment
  CDA4459  Crupina vulgaris L. Sonder 1990-1-25 Sonoma Annadel State Park, Santa Rosa. 0 Comment
  CAS-BOT-BC190105  Crypsis schoenoides Peter Rubtzoff 1970-5-30 6243 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC190149  Crypsis schoenoides Peter Rubtzoff 1961-9-20 4756 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road crossing. Comment
  UCD59946  Crypsis schoenoides David L. Morgan 1960-8-1 s. n. Sonoma 1/2 mile south of Penngrove on Hwy. 101. Willow Creek. Comment
  CAS-BOT-BC361289  Cryptantha Greg de Nevers 1993-5-6 10433 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Weimar Flat 457 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
  JEPS67871  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma canyon of Santa Rosa Creek Santa Rosa Creek Comment
  CAS-BOT-BC251228  Cucurbitaceae Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  JEPS108593  Cupressus goveniana subsp. pygmaea R. Raiche 1986-11-9 60585 Sonoma Pygmy Forest Trail, Salt Point State Park 182 Comment
  NY16704  Cupressus macnabiana C. B. Wolf 1934-10-18 6198 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC85464  Cupressus sargentii Milo Samuel Baker 1928-3-1 2597 b Sonoma W.B. Coy Ranch north of Occidental Comment
  JEPS18144  Cupressus sargentii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5666 Sonoma vicinity The Cedars (near Layton Chromite mine, headwaters of Big Austin Creek); Big Austin Creek 266 Comment
  CAS-BOT-BC85465  Cupressus sargentii Stephen N. Stephenson 1979-8-13 s.n. Sonoma south facing slope of Sonoma Mt.,, adjacent to Sonoma-Napa rd. near county line 700 Comment
  UCR255870  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Hwy 37, opposite Port Sonoma, Lower Ranch 1 Comment
  CAS-BOT-BC376333  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  RSA788849  Cuscuta pentagona Peter Rubtzoff 1970-9-8 6384 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA788850  Cuscuta pentagona Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. Comment
  RSA0022352  Cynodon Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 mi east of Guerneville). Comment
  CAS-BOT-BC190301  Cynodon dactylon Peter Rubtzoff 1955-7-24 1983 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC190350  Cynodon dactylon Peter Rubtzoff 1956-9-14 2859 Sonoma Vacation Beach, near Guerneville. On Russian River bottom. Comment
  UC1026477  Cynodon dactylon Peter Rubtzoff 1951-7-14 425 Sonoma Pitkin Marsh, southern half of Lower Marsh; near Forestville Comment
  SEINET176301 Image available Cynodon dactylon var. dactylon M. E. Jones 1882-7-18 Sonoma Duncan's Mills Comment
  UC1146618  Cynosurus cristatus Freed W. Hoffman 1943-6-20 2061 Sonoma Eckert Ranch near Salt Point (Sonoma Coast); North Coast Ranges, , near Salt Point Comment
  SD88320  Cynosurus echinatus D. F. Howe 1972-6-28 Sonoma 4.5 miles north of Jenner 121 Comment
  UCD60173  Cynosurus echinatus Rimo Bacigalupi; L. Heckard 1961-6-9 7743 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
  UCR248758  Cynosurus echinatus Peter Rubtzoff 1978-6-11 9209 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley 35 Comment
  UCR253370  Cynosurus echinatus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh 76 Comment
  CAS-BOT-BC114434  Cyperus erythrorhizos Peter Rubtzoff 1963-9-21 5270 Sonoma Laguna de Santa Rosa E of Graton. Comment
  UC1100638  Cyperus niger Herbert L. Mason 1946-7-4 12884 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  UC728611  Cyperus niger Milo S. Baker 1945-6-18 11118 Sonoma lower Meadow Pitkin Marsh Comment
  CAS-BOT-BC113905  Cyperus niger var. capitatus Peter Rubtzoff 1951-6-16 219 Sonoma Plants of the Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC136480  Cypripedium montanum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  SEINET12078101  Cypripedium montanum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -257 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC435191  Cypselea humifusa Peter Rubtzoff 1966-9-25 5827 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC435192  Cypselea humifusa Peter Rubtzoff 1969-8-24 6145 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  CAS-BOT-BC70724  Cystopteris fragilis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC189849  Dactylis glomerata A. A. Heller 1902-6-7 5657 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC445554  Damasonium californicum Peter Rubtzoff 1965-6-20 5559 Sonoma Petaluma Creek 4 mi. northwest of Petaluma (on Stony Point Rd). Comment
  CAS-BOT-BC445563  Damasonium californicum J. W. Congdon 1880-5-16 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192264  Danthonia californica Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6273 Sonoma Todd Road Preserve 24 Comment
  SEINET191751 Image available Danthonia californica K. Wagnon 1939-4-20 179 Sonoma About 2 miles south of Kenwood along Sonoma Highway. Comment
  CHSC83170  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma 5 miles south of Geyserville. Comment
  RSA14422B  Danthonia californica var. americana J. T. Howell 1935-5-5 12611 Sonoma Low hills, 6 miles from Santa Rosa on road to Sonoma Comment
  UC1131394  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCD34862  Danthonia californica var. americana Beecher Crampton 1964-5-12 6952 Sonoma Sonoma County, 14 miles N.W. of Calistoga on Hwy. 128, jct. with Chalk Hill road. Comment
  POM267996  Danthonia californica var. californica D. D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River, open grassy field 1/2 mi. from ocean 23 Comment
  UCD166101  Datura stramonium Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  RSA0045177  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral. 100 Comment
  RSA470792  Daucus pusillus D. D. Keck, J. Clausen 1935-6-15 3372 Sonoma 1 mile north of Salmon Creek Comment
  CHSC60191  Delphinium bakeri J. Lund 1980-4-12 Sonoma 0.1 mile west of Petrified Forest Road and Porter Creek Road junction. Comment
  UC72779  Delphinium decorum subsp. tracyi Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  CAS-BOT-BC10006  Delphinium hesperium A. T. Graff 1925-5-20 S.N. Sonoma Trosphers, Cazadero Comment
  LA38290  Delphinium hesperium Lewis; Epling, Stebbins 515 Sonoma Bodega Bay, 1 mi. E of ocean Comment
  CAS-BOT-BC10093  Delphinium luteum Milo S. Baker 1926-4-14 186 e Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC10128  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma On State Highway #1, a mile or so east of Bodega Bay Comment
  NY24259  Delphinium luteum L. S. Rose 1939-5-14 39120 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
  POM299321  Delphinium luteum Lester Rowntree 1932-6-12 s.n. Sonoma Near Bay Comment
  CAS-BOT-BC8010  Delphinium nudicaule Elmer Ivan Applegate 1934-3-25 8848 Sonoma Pine Flat region, west slope of Mayacama Mountains Comment
  CHSC63924  Delphinium nudicaule John Hale 1990-4-13 25 Sonoma E of Austin Creek. 210 Comment
  UC118641  Delphinium nudicaule J. W. Blankinship 1893-4-27 Sonoma Hood Mountain Comment
  UC1299392  Delphinium nudicaule Freed W. Hoffman 1947-4-13 660 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  CAS-BOT-BC8013  Delphinium nudicaule F. Krauss 1895-5-6 s.n. Sonoma near Franza Valley Comment
  RSA122789  Delphinium variegatum B. O. Schreiber 1936-3-5 2210 Sonoma 2 miles WNW of Mark W Springs. 122 Comment
  RSA26407  Delphinium variegatum J. T. Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  UC118682  Delphinium variegatum subsp. variegatum Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  CAS-BOT-BC584  Dendromecon rigida subsp. rigida E. Ruckert 1960-4-29 128 Sonoma Triniti Road, east of Hwy 12, about 2 miles from junction. Comment
  UCR244498  Deschampsia Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh 79 Comment
  UC573730  Deschampsia cespitosa subsp. beringensis H. S. Yates 1936-5-17 5625 Sonoma 1 1/2 mi. e. Bodega Port; Duncan Mills Quad. Comment
Read comments
Jul 28 2008
  UC767083  Deschampsia cespitosa subsp. beringensis R. F. Hoover 1941-5-14 5072 Sonoma 1 mi. n. Valley Ford Comment
  RSA784394  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6075 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC201955  Deschampsia elongata Peter Rubtzoff 1959-6-6 4099 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC201970  Deschampsia elongata Peter Rubtzoff 1960-5-30 4429 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC227656  Deschampsia elongata Peter Rubtzoff 1964-6-24 5373 Sonoma Lower Salmon Creek Marsh. Comment
  RSA144369  Deschampsia elongata Roxana S. Ferris, Laura Lorraine 1961-6-14 13544 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UC53607  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma Russian R. below Guerneville; Russian R. Comment
  RSA264775  Dicentra formosa subsp. formosa Peter Rubtzoff 1975-4-27 7950 Sonoma Forest Hills, 5.5 miles east of Guerneville. At 9981 Old River Road Comment
  CAS-BOT-BC242664  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 b Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called The Outlaw) or otherwise thermal no. 10 (Thermal Power co.) Comment
  POM288511  Dichanthelium acuminatum var. fasciculatum P. B. Kennedy 1915-5-31 s.n. Sonoma Annapolis Region Comment
  POM98585  Dichanthelium acuminatum var. thermale F. W. Peirson 1926-6-22 6809 Sonoma Boiling Lake, Lassen National Park Comment
  CAS-BOT-BC502221  Dichelostemma capitatum Volney Rattan 1903-1-1 s.n. Sonoma UPCRR Comment
  SEINET8351809  Dichelostemma capitatum L. R. Abrams 1918-4-27 6908 Sonoma Independence School near Healdsburg. Comment
  UCD166874  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2016-3-26 3042 Sonoma Mayacamas Mountains, along Pine Flat Road, at Rob Roy Flat. 618 Comment
  SEINET12048691  Dichelostemma congestum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -170 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  UCD64092  Digitaria sanguinalis Virginia Bufford 1935-9-8 82 Sonoma Vine Hill District. Comment
  CAS-BOT-BC151377  Diplacus tricolor James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  UC1134582  Disporum hookeri E. Armstrong 1934-3-26 902 Sonoma 1 mi w of Camp Meeker 182 Comment
  UC429269  Disporum hookeri Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC320507  Distichlis Peter Rubtzoff 1971-9-2 6683 Sonoma Todd Road 0.8 miles west of Highway 101. Comment
  RSA3638  Dodecatheon hendersonii subsp. cruciatum I. L. Wiggins 1932-3-12 5759 Sonoma Wet, grassy area along stream at base of W-facing serpentine slope in mixed ever green forest; W of Stoetz Road off of Harrison Grade, ca. 2 mi. NNE of Occidental. 183 Comment
  CAS-BOT-BC154135  Downingia concolor var. concolor Peter Rubtzoff 1969-5-11 6039 Sonoma Laguna de Santa Rosa, northeast of Graton, at the end of Piner Road. Comment
  UC1244021  Downingia concolor var. concolor John H. Weiler 1960-5-22 60128 Sonoma Schellville, Southern Pacific railroad gradings Schellville Comment
  UC416606  Downingia concolor var. concolor Katharine Brandegee Sonoma Santa Rosa Comment
  JEPS108503  Downingia concolor var. concolor Lisa Schultheis with Tony Morosco 1995-5-31 187 -95 Sonoma NW Santa Rosa. W side of Pinter Rd., near Waltzer Rd. Comment
  UC890621  Downingia concolor var. concolor Allison Hastings 1940-5-3 Sonoma 2 mi <?> Smith's Corners (on Molino Road) Comment
  JEPS29137  Downingia pusilla John H. Weiler 1960-4-9 6035 Sonoma 4.4 mi n Sears Point (along State Highway 37) Comment
  JEPS14377  Downingia pusilla Milo S. Baker 1934-4-10 7774 Sonoma 2 mi s Warfield R.R. sta. (n side of highway) Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UC1127101  Drosera rotundifolia H. S. Yates 1937-5-30 6536 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UC58112  Drymocallis glandulosa var. wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross Comment
  CAS-BOT-BC71026  Dryopteris arguta G. DeNevers 1981-4-25 854 Sonoma Mark West Creek and Leslie Creek confluence Comment
  POM188329  Dryopteris arguta Marcus E. Jones 1931-7-5 29172 Sonoma West of Cloverdale. Comment
  SD95157  Dudleya cymosa Mark Cary 1971-4-22 45 Sonoma Canyon Road, 15 miles west of Geyserville. Comment
  UCD101882  Dudleya cymosa Frederica Bowcutt 1994-6-12 1877 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Along Adobe Canyon Road, on road cut. 396 Comment
  UCD101915  Dudleya farinosa Frederica Bowcutt 1984-6-23 422 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles E of Fort Bragg along the Sonoma County coast. Immed. N of Gerstle Cove. W of Hwy 1. 15 Comment
  CAS-BOT-BC210080  Echinochloa Peter Rubtzoff 1976-8-29 8835 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC210129  Echinochloa Peter Rubtzoff 1976-8-29 8836 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD165779  Echinochloa Peter Rubtzoff 1973-9-4 7296 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC176366  Echinochloa crus-galli Peter Rubtzoff 1955-9-10 2139 Sonoma East Guernewood, near Guerneville. Comment
  RSA796381  Echinochloa crus-galli Peter Rubtzoff 1956-9-15 2901 Sonoma Atascadero Creek Marsh. Comment
  UCD164985  Eleocharis Peter Rubtzoff; Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC113725  Eleocharis acicularis LeRoy Abrams 1920-7-3 7614 Sonoma Stewarts Point. Comment
  UC1026474  Eleocharis acicularis Peter Rubtzoff 1951-7-21 515 Sonoma area between Upper marshes and Lower marshes (near Forestville); Pitkin Marsh Comment
  CDA38951  Eleocharis acicularis M. K. Bellue 1956-6-25 s.n. Sonoma Santa Rosa. 0 Comment
  UC1042515  Eleocharis macrostachya Peter Rubtzoff 1951-7-8 387 Sonoma near Forestville (Pitkin Marsh, lower part of the Upper Marsh) Comment
  CAS-BOT-BC112181  Eleocharis radicans Peter Rubtzoff 1951-9-2 702 Sonoma Southern half of Lower Marsh. Comment
  CAS-BOT-BC112274  Eleocharis rostellata Peter Rubtzoff 1951-7-7 361 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD151300  Elymus elymoides James A. Neilson Jr. 1974-7-25 2982 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCD124006  Elymus elymoides subsp. californicus Frederica Bowcutt 1994-6-24 1878 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.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  SEINET266626  Elymus glaucus P. G. Connors 1990-6-4 25 Sonoma Bodega Head. Comment
  SEINET7067272  Elymus glaucus A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  UC1011032  Elymus glaucus Virginia Bufford 1936-5-20 329 Sonoma Kellog Mark West Rd. 3 mi from Kellogg Comment
  UCD61790  Elymus glaucus P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UCD61858  Elymus glaucus August L. Hormay 1932-6-19 Sonoma Mt. St. Helena. Comment
  UCR255679  Elymus glaucus Greg de Nevers 1989-1 9065 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  UC1011033  Elymus glaucus Virginia Bufford 1935-5-9 35 Sonoma Stony Point-Two Rock Rd.; along R.R. Comment
  CAS-BOT-BC203709  Elymus glaucus subsp. glaucus David L. Morgan 1956-5-13 s.n. Sonoma 2 mi. W. of Petaluma on I st. Ext. Comment
  CAS-BOT-BC203718  Elymus glaucus subsp. glaucus D. E. Breedlove 1980-6-28 44789 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1146676  Elymus glaucus subsp. virescens Freed W. Hoffman 1941-6-22 2089 Sonoma Wright's Beach North Coast Ranges (cliffs) Comment
  CAS-BOT-BC235230  Elymus multisetus G. DeNevers 1981-7-1 1723 Sonoma Pepperwood Ranch. On the slope W of the Goat Pen in the Garrison Canyon 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-BC204307  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-6 1454 Sonoma Pepperwood Ranch. At first Pepperwood entrance Comment
  UCD119201  Emmenanthe penduliflora Frederica Bowcutt 1996-5-19 2125 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 firebreak (narrow) btw lower Bald Mtn. and Bald Mtn. Trail. 487 Comment
  CAS-BOT-BC376253  Epilobium Greg de Nevers 1993-4-11 10365 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. East of middle road through Bald Hills 304 Comment
  SEINET13287585 Image available Epilobium ciliatum A. G. Vestal 1937-6-18 s.n. Sonoma Comment
  JEPS39299  Epilobium ciliatum subsp. ciliatum Mary Alice King July 1919 Sonoma Van Ness Ranch Mt. St. Helena Comment
  UC20057  Epilobium ciliatum subsp. ciliatum J. Burtt Davy Aug., 1896 4136 Sonoma Russian River Comment
  CAS-BOT-BC262990  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1523 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  UCD105928  Epilobium ciliatum subsp. watsonii Frederica Bowcutt 1984-6-23 434 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  CAS-BOT-BC268073  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-13 1715 Sonoma Bodega Head Marsh. Comment
  JEPS38199  Epilobium densiflorum W. L. Jepson 1921-9-8 9431 Sonoma ne Healdsburg (s side of valley); Alexander Valley, Lytton School Comment
  UCD106302  Epilobium densiflorum Peter Rubtzoff 1951-8-4 576 Sonoma Pitkin Marsh, near Forestville. Comment
  RSA800406  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh Comment
  SD251254  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidenta Marsh Comment
  UCD106503  Epilobium minutum Frederica Bowcutt 1994-5-21 1818 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. 3/4 mile from trailhead. 411 Comment
  UC4493  Epipactis gigantea F. T. Bioletti 1892-7-5 Sonoma Comment
  CAS-BOT-BC173545  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57128  Equisetum X ferrissii Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC57040  Equisetum arvense Peter Rubtzoff 1960-6-9 4477 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC57036  Equisetum arvense Peter Rubtzoff 1954-8-13 1721 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC57208  Equisetum hyemale subsp. affine Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  RSA784475  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  UCD148417  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  UC1151492  Equisetum telmateia subsp. braunii H. E. Brown and A. A. Heller 1902-3-27 5161 Sonoma w base Mt. Hood Comment
  CAS-BOT-BC320562  Eragrostis Peter Rubtzoff 1965-8-16 5599 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UCR248774  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  RSA0023077  Eragrostis Peter Rubtzoff 1965-8-16 5600 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  CAS-BOT-BC182758  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC284187  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1956-9-14 2864 Sonoma Vacation Beach near Guerneville, Russian River Comment
  CAS-BOT-BC164079  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  CAS-BOT-BC164645  Erechtites minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  POM359364  Ericameria ericoides var. ericoides E. A. Purer 1932-7-24 s.n. Sonoma Near Bodega Bay Comment
  RSA149838  Ericameria ericoides var. ericoides George W. Barclay 1839-10 3037 Sonoma Bodegas Comment
  UC909710  Erigeron biolettii Milo S. Baker 1950-8-1 12309 Sonoma near Kenwood (at summit above Coleman's Ranch); Hope Val Comment
  CAS-BOT-BC295131  Erigeron greenei John Thomas Howell 1936-7-26 12669 Sonoma Between Occidental and Graton Comment
  CAS-BOT-BC214551  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC214552  Erigeron philadelphicus Peter Rubtzoff 1951-7-28 553 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UCD136328  Eriodictyon californicum M. Rei Scampavia Evangelista 2012-5-20 10 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  SEINET5501281 Image available Eriodictyon californicum Sally Walker 1981-5-13 Sonoma 2 mi E of Occidental Comment
  SD22292  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  SEINET6894807  Eriogonum latifolium W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma 5 miles north of Fort Ross. Comment
  CAS-BOT-BC259469  Eriogonum luteolum R. F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade road near Occidental Comment
  CAS-BOT-BC259480  Eriogonum luteolum C. F. Leitholt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  UC1093645  Eriogonum luteolum var. luteolum Herbert L. Mason 1946-7-4 12899 Sonoma 2 mi e Occidental Comment
  UCR44934  Eriogonum nervulosum L. F. LaPre 1985-6-7 s.n. Sonoma The Cedars, 6.5 mi NW of Cazadero near Layton, Chromite Mine, upper Austin Creek 413 Comment
  CAS-BOT-BC261683  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Between Healdsburg and Geyserville Comment
  UCD101270  Eriogonum ternatum Roger Raiche 1984-6-23 RR 40234 Sonoma The Cedars, 5 miles N of Cazadero on King Ridge Road, headwaters of Big Austin Creek. Above tributary creek referred to locally as Azalea Creek (NE fork before Layton Mine bldgs.) 548 Comment
Read comments
Oct 17 2013
  CAS-BOT-BC262387  Eriogonum vimineum G. DeNevers 1981-9-12 1838 Sonoma Pepperwood Ranch. Crest of Franz Valley Road Comment
  HSC5595  Eriophyllum lanatum var. achilleoides R. Spellenberg 1964-6-15 403 Sonoma 5 mi. W of The Geysers on road from Geyserville Comment
  UC507060  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-20 E 26 Sonoma 1 mi n Healdsburg Comment
  CDA4966  Eriophyllum lanatum var. achilleoides T. C. Fuller 1960-6-14 4487 Sonoma Italian Swiss Colony, Asti. 0 Comment
  SEINET11844594  Eriophyllum lanatum var. achilleoides F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -239 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC301285  Eriophyllum lanatum var. arachnoideum Walter Knight; Irja Knight 1963-10-27 396 Sonoma Spring Mt. Road Comment
  UC632733  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma 4 mi w of Healdssburg (Jenson Ranch, at head of Dohrman Creek); Jensen Ranch Comment
  CAS-BOT-BC302014  Eriophyllum staechadifolium Alice Eastwood 1915-6-29 4879 Sonoma Bodega Point Comment
  UC668048  Erodium botrys Joseph P. Tracy 1933-4-28 12075 Sonoma Knights Valley 182 Comment
  CDA34792  Erodium botrys Peter Warner 2010-3-29 119 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UCD103125  Erodium brachycarpum John Thomas Howell 1965-3-25 s.n. Sonoma Southwest of Sonoma. Comment
  CDA13482  Eryngium aristulatum G. F. Hrusa, Allen Buckman 1997-7-21 14010 Sonoma North Coast Biodiversity Arena; approx. 200 m. W of Hwy 128 in drainage of Blossom Creek, 2 km. NW of Tubbs Lane int. Sheet 1 of 2 Comment
  CDA28603  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 B Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  UC1487265  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 501 Sonoma on Bennett Valley Rd. 4.5 mi. w. Glen Ellen Comment
  UC765470  Eryngium aristulatum var. aristulatum R. F. Hoover 1938-6-14 3607 Sonoma 2 mi. s.e. Healdsburg Comment
  UC1931039  Eryngium constancei G. F. Hrusa 1996-10-5 13582 B Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
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Jan 8 2013
  JEPS128273  Erysimum capitatum var. capitatum Roger Raiche 2000-4-23 042 .00 Sonoma The Cedars. Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC384606  Erythranthe grandis David B. Lowry 2005-5-9 WTB Sonoma At mile marker 17.08 along Hwy. 1 36 Comment
  CAS-BOT-BC153620  Erythranthe inodora Peter Rubtzoff 1962-6-22 4950 Sonoma Fife Creek Marsh Comment
  RSA304233  Erythronium californicum James R. Shevock 1972-3-28 1484 Sonoma Highway 128, north of Cloverdale. 244 Comment
  CAS-BOT-BC133297  Erythronium helenae F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -199 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US hwy 101 on Geysers Road 800 Comment
  CAS-BOT-BC110557  Eschscholzia John H. Thomas 1969-4-28 14929 Sonoma Duncan's Mill between the coast and Guerneville. Comment
  UC147065  Eschscholzia caespitosa H. P. Chandler 1907-4-21 7534 Sonoma road from Glen Ellen to Oakville Comment
  SBBG21100  Eschscholzia californica V. Haraden 1941-7-13 Sonoma E exposure to bay, Bodega Bay 15 Comment
  UC1084359  Eschscholzia californica G. Thomas Robbins 1937-3-26 21 Sonoma along hwy just w Bodega Comment
  CAS-BOT-BC202768  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Russian River Comment
  SJSU1062  Euonymus occidentalis A. W. Jacobs 1950-7-15 Sonoma near Cloverdale Comment
  UCD107426  Euonymus occidentalis Dan Axelrod 1931-7-10 s.n. Sonoma Ward Creek, 3 miles no. of Cazadero on Ft. Ross Road. Comment
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Feb 6 2013
  UC1071564  Euonymus occidentalis var. occidentalis E. Armstrong 1934-3-26 903 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. Comment
  CAS-BOT-BC202538  Euphorbia Peter Rubtzoff 1978-8-12 9251 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on So. Fitch Mtn. Road Comment
  CAS-BOT-BC202540  Euphorbia Peter Rubtzoff 1987-10-17 9878 Sonoma Highway 116 ca. 0.3 miles southeast of Forestville Comment
  CAS-BOT-BC290686  Euphorbia Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 ca. 0.3 miles southeast of Forestville. Comment
  CAS-BOT-BC540828  Euphorbia Peter Rubtzoff 1973-8-20 7227 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  JEPS117122  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128 ~3.03 mi. (fr. N) at turnout on E side of road at metal gate, in adjacent disturbed grassland and across road, about 2 miles NW of Cloverdale. Comment
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Jul 7 2017
  UCD158779  Eurybia radulina James A. Neilson Jr. 1974-8-19 2850 a Sonoma Mayacmas Mountains, Geyser Rock. West of Whispering Pines, in the vicinity of the boundary line of Sonoma and Lake Counties. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  CAS-BOT-BC368004  Euthamia occidentalis Greg de Nevers 1989-8-28 9096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  CAS-BOT-BC239716  Fabaceae Peter Rubtzoff 1974-6-2 7521 Sonoma Upper Green Valley Marsh Comment
  JEPS121154  Festuca bromoides Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18600 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  SD56833  Festuca californica D. F. Howe 1963-5-23 3528 Sonoma 3.8 miles north of Cloverdale on #128 334 Comment
  CAS-BOT-BC283192  Festuca californica subsp. californica Peter Rubtzoff 1952-6-10 1236 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC283191  Festuca californica subsp. californica K. Wagnon 1939-5-14 196 Sonoma East edge of Wagnon rock quarry, five miles west of Sebastopol Comment
  UCD65917  Festuca elmeri Beecher Crampton 1955-6-17 2944 Sonoma 4.5 miles S of Cazadero. Comment
  UC573935  Festuca idahoensis H. S. Yates 1937-5-30 6544 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  CAS-BOT-BC353381  Filago Peter Rubtzoff 1971-6-23 6542 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC353382  Filago Peter Rubtzoff 1972-6-29 6801 Sonoma Laguna, Chileno Valley. Comment
  SEINET9346830  Foeniculum vulgare John Nelson, Wnek, Richard 2000-3-7 20943 Sonoma A large patch on N edge of Hwy 116 just W of Fern Grove cabins on W side of Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  UCD126866  Foeniculum vulgare Frederica Bowcutt 1996-5-19 2129 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, about 1/8 air mile NE of Red Mtn. 701 Comment
  UCD84823  Fragaria vesca Nellie Coffey 1931-4-12 s.n. Sonoma Mount St. Helena. Comment
  CAS-BOT-BC457579  Fragaria vesca subsp. californica A. A. Heller; H. E. Brown 1902-3-16 5074 Sonoma Russian River near Trenton Comment
  UCD112545  Frangula californica G. F. Hrusa; J. Pfeiffer 1995-9-23 12466 Sonoma N slope of Cavedale Edaphic Island. 400 Comment
  CAS-BOT-BC53268  Frangula californica subsp. californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC223852  Frankenia palmeri Peter Rubtzoff 1955-8-20 2076 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC223851  Frankenia palmeri Walter Knight; Irja Knight 1963-9-3 282 Sonoma At Gilardis, on Lakeville Highway Comment
  CDA43437  Frankenia salina Stephanie Larson 2015-7-21 PDR# 49 UP06191161 Sonoma Near Highway 37. 0 Comment
  SEINET12335290  Fraxinus dipetala F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -255 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC217874  Fraxinus latifolia Greg de Nevers 1987-4-25 8162 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC218583  Fraxinus latifolia H. E. McMinn 1922-6-1 s.n. Sonoma Petrified Forest Comment
  CAS-BOT-BC218584  Fraxinus latifolia Peter Rubtzoff 1957-6-28 3394 Sonoma Duncans Mills Marsh Comment
  HSC16191  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek, NE of Santa Rosa 122 Comment
  UCD122047  Fraxinus latifolia Frederica Bowcutt 1994-5-1 1777 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. Adobe Canyon S of Sonoma Creek bout 150 yards, 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UCD122078  Fraxinus latifolia Lewis S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek. NE of Santa Rosa. 121 Comment
  JEPS82540  Fremontodendron californicum Roger Raiche 1984-5-4 40133 Sonoma North of Guerneville, Morrison Creek, Austin Creek State Recreational Area, headwaters of East Austin Creek 182 Comment
  UC1084349  Fritillaria affinis G. Thomas Robbins 1937-3-25 4 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  UC583457  Fritillaria affinis Elmer I. Applegate 1934-3-25 8861 Sonoma Pine Flat region, west slope of the Mayacama Range. Comment
  UC72491  Fritillaria liliacea Milo S. Baker 1898-4 Sonoma near Santa Rosa Comment
  CAS-BOT-BC130454  Fritillaria purdyi Milo S. Baker 1927-4-22 s.n. Sonoma Mt. St. Helena 853 Comment
  CHSC40038  Fritillaria recurva Michener; Bioletti 1893-4-1 Sonoma Hood Peak. Comment
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Jan 1 2012
  HSC19845  Galium aparine S. N. Wiemeyer 1962-4-20 23 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD121716  Galium aparine Caitlin Lewis; William Mutch 1993-4-17 20 Sonoma Sugarloaf Ridge State Park. About 40 miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  CDA30960  Galium bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .358 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC28195  Galium bolanderi F. T. Bioletti June 1893 Sonoma top Hood's Peak Comment
  UCD121744  Galium californicum J. M. Tucker 1951-6-26 2141 Sonoma Near summit of range, road from Glen Ellen to Oakville. Comment
  JEPS52861  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3900 Sonoma 3.8 mi n Occidental Comment
  SEINET12271023  Galium divaricatum Unknown 1940-1 1014 Sonoma behind Fountaingrove Vneyard 3 mi N of Santa Rosa along Hwy 101 Comment
  JEPS6610  Galium porrigens var. porrigens Willis L. Jepson 1892-8-7 Sonoma to Knights; Alexand Valley Grade Comment
  JEPS87246  Galium porrigens var. porrigens Jack and Betty Guggolz 1992-8-29 1346 Sonoma about 2 mi nnw Camp Meeker 146 Comment
  UC28229  Galium tricornutum F. T. Bioletti 1890-1 Sonoma Comment
  RSA276857  Galium trifidum Peter Rubtzoff 1957-6-28 3378 Sonoma Duncans Mills Marsh. Comment
  RSA143954  Galium triflorum Roxana S. Ferris, Laura Lorraine 1961-6-14 13532 Sonoma Joy Road Grade, 1.8 miles from jct. with Bodega Hwy Comment
  UC424793  Galium triflorum Milo S. Baker 1930-6-6 4157 Sonoma roadbank to West Occidental to Freestone Hiway Comment
  UCD121945  Galium triflorum Frederica Bowcutt 1984-6-23 428 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
  UCR255027  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA603802  Gamochaeta ustulata D. D. Keck, Jens Clausen 1935-6-15 3370 Sonoma 1 mile north of Salmon Creek (North of mouth of Salmon Creek.) Comment
  RSA12702  Garrya elliptica Carl B. Wolf, E. R. Johnson 1934-10-13 6180 Sonoma Nine miles north of Fort Ross on Coast Road to Stewarts Point. 46 Comment
  CAS-BOT-BC182161  Garrya fremontii Walter Knight; Irja Knight 1963-12-27 465 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC182166  Garrya fremontii Walter Knight; Irja Knight 1963-9-1 149 Sonoma Pint Mt Rd - NE of Cloverdale, Harold Smith Ranch Comment
  CDA31016  Garrya fremontii D. G. Kelch, Troy McGregor 2010-8-22 10 .349 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  HSC39063  Garrya fremontii Gary S. Lester 1974-2-9 66 Sonoma Along Trinity Rd. 549 Comment
  UCD160881  Garrya fremontii James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3264 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-BC182162  Garrya fremontii Walter Knight; Steve Edwards 1985-11-17 5184 Sonoma ridge northwest of summit of Kortum Canyon Road Comment
  CAS-BOT-BC311820  Gastridium Peter Rubtzoff; Nancy Harrison 1976-6-18 8649 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC38571  Gastridium ventricosum A. B. Leckenby July 1896 Sonoma Petaluma Comment
  CAS-BOT-BC58942  Gaultheria shallon Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC193256  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road. 182 Comment
  POM312857  Gentiana sceptrum H. L. Mason 1946-7-4 12891 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  RSA0026778  Geranium carolinianum Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma 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
  SEINET12329963  Gilia capitata F. H. Utech 1986-1 86 -105 Sonoma ca 3 mi NE on Cavedale Road 250 Comment
  UC1182817  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 S- 124 Sonoma Comment
  HSC100880  Gilia capitata subsp. pacifica Peter Warner, Sara Gordon 2011-6-16 219 Sonoma Jenner Headlands property, ~3 mi. NW of Jenner, lower Russian Gulch, near large rock outcrop, downslope from Muniz Ranch Rd., ~400 m N20 deg. E from Hwy. 1, Russian Gulch Bridge. 26 Comment
  CAS-BOT-BC227641  Glyceria Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh. Comment
  CAS-BOT-BC227642  Glyceria Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh. Comment
  CAS-BOT-BC227651  Glyceria Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  CAS-BOT-BC227652  Glyceria Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh. Comment
  RSA786491  Glyceria declinata Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mi E of the Laguna de Santa Rosa. Comment
  UC1446208  Glyceria declinata Paul But with Peter Rubtzoff 1974-4-6 1005 Sonoma Kenwood Marsh 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
  CAS-BOT-BC282732  Glyceria elata Peter Rubtzoff 1960-5-22 4414 Sonoma Laguna de Santa Rosa area east of Graton between Occidental and Guwerneville Roads Comment
  CAS-BOT-BC282811  Glyceria leptostachya Peter Rubtzoff 1954-6-6 1459 Sonoma Guarneville Marsh Comment
  CAS-BOT-BC282812  Glyceria leptostachya Peter Rubtzoff 1955-5-14 1837 Sonoma Forestville Marsh Comment
  CAS-BOT-BC282816  Glyceria leptostachya A. D. E. Elmer 1903-7-1 4652 Sonoma Petaluma Comment
  RSA786603  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh. Comment
  UCR244674  Glyceria occidentalis Peter Rubtzoff 1966-5-28 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing) 20 Comment
  RSA94014  Glyceria striata Peter Rubtzoff 1951-6-9 160 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  JEPS34012  Gnaphalium palustre Willis L. Jepson 1892-8-7 14749 Sonoma near Cloverdale (valley of the Russian River); Russian River Comment
  CAS-BOT-BC164670  Gnaphalium purpureum Peter Rubtzoff 1953-5-17 1399 Sonoma Forested hills south of Guerneville (Neeley Hill area). Comment
  CDA6005  Gnaphalium purpureum T. C. Fuller 1958-5-24 3985 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UC429316  Goodyera oblongifolia Franklin P. Nutting Sonoma Taylor Creek; Western Middle California, Taylor Creek Comment
  CAS-BOT-BC235485  Gratiola heterosepala Greg de Nevers 1994-6-12 10525 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 457 Comment
  RSA785226  Grindelia Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa E of Graton. 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
  UC584185  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma first ravine above Kenwood Springs; Adobe Canyon, Sonoma Creek Comment
  CAS-BOT-BC371462  Hedera helix Greg de Nevers 1989-8-28 9097 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  CAS-BOT-BC306767  Helenium bigelovii John Thomas Howell; J. W. Stacey 1936-7-26 12684 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  UCR280186  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC262953  Helenium puberulum Peter Rubtzoff 1959-9-12 4260 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC309578  Helenium puberulum G. DeNevers 1981-6-18 1572 Sonoma Pepperwood Ranch. Pippindale Pond Comment
  UCD132745  Helenium puberulum P. G. Connors 1991-6-25 182 Sonoma Bodega Head State Park. Comment
  SEINET11843060  Helianthella californica Unknown 1985-1 RR 50176 Sonoma W of Healdsburg, ridge of W side of Dry Creek Valley, N of Dorman Canyon to Bradford Mt. area 244 Comment
  CAS-BOT-BC314735  Helianthella californica var. californica A. A. Heller; H. E. Brown 1902-3-31 5192 Sonoma Mt. Hood Comment
  CDA36608  Helianthemum scoparium T. C. Fuller 1958-5-24 3999 Sonoma Vinehill District. 0 Comment
  HSC87844  Heliotropium curassavicum var. oculatum Clare R. Wheeler 1982-8-27 3278 Sonoma Wheatfield Fork of the S Fork Gualala River, ca. 1.5 mi. upriver from Twin Bridges (Annapolis Rd.) 15 Comment
  CAS-BOT-BC305966  Helminthotheca echioides Alice Eastwood 1921-7-20 10619 Sonoma On road between Cotati and Santa Rosa Comment
  UCD132957  Helminthotheca echioides J. D. Skoss 1948-7-25 43 Sonoma Shellville. Comment
  UCD166135  Hemizonia Peter Rubtzoff 1969-5-11 6031 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC258385  Hemizonia Peter Rubtzoff 1966-6-5 5753 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  RSA800067  Hemizonia Peter Rubtzoff 1975-8-15 8323 Sonoma Laguna, Chileno Valley. Comment
  RSA800288  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  JEPS86804  Hemizonia congesta Jack and Betty Guggolz 1991-7-7 1208 Sonoma alongside a small intermittent stream about 1 1/2 mi nnw Camp Meeker Comment
  OBI49651  Hemizonia congesta G. Yatskievych, K. Yatskievych 1988-8-20 88 -160 Sonoma W side of Santa Rosa, just E of jctn with Llano Rd on State Rte 12 to Sebastopol 100 Comment
  UC577147  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1935-9-11 35622 Sonoma 2 mi n Healdsburg 39 Comment
  CAS-BOT-BC306221  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-5-19 2513 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306222  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-7-4 3822 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306226  Hemizonia congesta subsp. congesta John Thomas Howell; J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  JEPS54474  Hemizonia congesta subsp. congesta Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9315 Sonoma Pitkin Marsh 53 Comment
  UC134571  Hemizonia congesta subsp. congesta Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
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Jun 26 2010
  UC65349  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  UC1999849  Hemizonia congesta subsp. congesta Ethel Crum 1930-1 Sonoma Petaluma, California Comment
  CAS-BOT-BC309697  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-8 701 b Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309726  Hemizonia congesta subsp. lutescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  JEPS86756  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-6-16 1063 Sonoma n side intersection of Occidental Road and Facindini Lane Comment
  JEPS86807  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1991-6-4 1172 Sonoma 0.25 mi s of the end of Meyers Grade (found on the w side of Hwy 1) 182 Comment
  UC473562  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5411 Sonoma 4 mi n Bodega Bay Comment
  CAS-BOT-BC309688  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road near sewage disposal plant at Laguna de Santa Rosa 45 Comment
  CAS-BOT-BC309721  Hemizonia congesta subsp. lutescens J. Clausen 1932-9-20 719 Sonoma South of Santa Rosa Comment
  CAS-BOT-BC309722  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-10-1 6052 Sonoma Laguna on College Ave Hiwy Comment
  UC197517  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 19246 a Sonoma 14 mi nw Petaluma (2 mi e of Tocaloma) Comment
  CAS-BOT-BC309950  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 s.n. Sonoma Valley across hills from Petaluma Comment
  CAS-BOT-BC309957  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa 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
  JEPS119429  Hemizonia congesta subsp. luzulifolia Anne Howald 2011-8-28 2806 Sonoma North Coast Ranges, Sonoma Valley, Glen Ellen area, entrance road to Sonoma Valley Regional Park, 0.1 mi. west of Hwy 12 Comment
  SD124916  Hemizonia congesta subsp. luzulifolia L. F. LaPre 1986-7-29 Sonoma Socrates Mine, ca. 9 miles eastnortheast of Geyserville. 915 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-BC309940  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  OBI16230  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-8-23 9918 Sonoma Mark West Creek, on Santa Rosa-Calistoga Rd near jctn of St Helena Rd Comment
  CDA29448  Hemizonia fitchii Unknown 2009-6-25 PDR# 1535007 Sonoma In the vicinity of Santa Rosa. 0 Comment
  RSA216761  Hemizonia lutescens Robert F. Hoover 1969-8-31 11567 Sonoma Adobe Road and Casa Grande Road near Petaluma. Comment
  SEINET11842304  Hemizonia lutescens W. Knight, Knight, I.; Knight, T. 1984-1 5038 Sonoma Royal Oaks Mobilehome Park, North McDowell Blvd, Petaluma Comment
  RSA81666  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-5-29 s.n. Sonoma Summit between Geyserville and The Geysers. Comment
  UCD126870  Heracleum maximum Frederica Bowcutt 1994-5-21 1826 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
  CAS-BOT-BC310215  Hesperevax sparsiflora var. sparsiflora D. E. Breedlove 1976-3-27 39443 Sonoma Along Dry Creek Road about 3 miles past Warm Springs Road Comment
  SD40684  Hesperocyparis macnabiana Carl B. Wolf, E. R. Johnson 1934-10-18 Sonoma Head of Hooker Canyon, 4.7 miles east of Sonoma-Kenwood Road 550 Comment
  HSC1230  Hesperocyparis sargentii L. S. Rose 1969-8-17 69096 Sonoma 4 mi. NE of Occidental, Harrison Grade 244 Comment
  UCR49205  Hesperolinon L. F. LaPre 1987-7-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  UC1212264  Hesperolinon micranthum Helen K. Sharsmith 1947-5-30 3965 Sonoma s slope of mountain near Grant line; Inner North Coast Ranges, Hood Mountain 243 Comment
  POM8864  Hesperolinon spergulinum A. A. Heller 1902-6-24 5751 Sonoma Near Burke s Sanitarium Comment
  UC1212386  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-17 4125 Sonoma ca 1 mi beyond origin of Pine Flat road in Alexander Valley (slopes of Saysal Creek canyon); Inner North Coast Ranges, Mayacamas Range, Saysal Creek 182 Comment
  CAS-BOT-BC149837  Heteromeles arbutifolia W. R. Dudley 1895-2-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC310984  Heterotheca grandiflora Freed Hoffman 1943-12-1 s.n. Sonoma Northwood, Russian River near Guerneville Comment
  CHSC107541  Heterotheca oregona D. G. Kelch; Troy McGregor 2010-8-22 10 .360 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. 268 Comment
  UC1093930  Heterotheca oregona var. oregona Herbert L. Mason Nov 26 1925-Nov 27 1925 2493 Sonoma Monte Rio, along Russian River Russian River Comment
  UC87418  Heterotheca oregona var. oregona G. A. Newell 1900-8-1 Sonoma Russian River Station Russian River Comment
  UCR222532  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2010-6-5 16245 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-BC420942  Heuchera micrantha var. diversifolia D. E. Breedlove 1980-6-27 44763 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC420941  Heuchera micrantha var. diversifolia Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Rd. 9 miles east of Stewarts POint Comment
  CAS-BOT-BC420946  Heuchera micrantha var. diversifolia G. DeNevers 1981-4-25 808 Sonoma Pepper wood Ranch. Main Pepperwood entrance, along shaded Creek bank Comment
  RSA0062988  Heuchera pilosissima Joseph A. Ewan 1935-5-13 9208 Sonoma Bodega Bay Rd. 2 miles W of Bodega. Comment
  RSA0062989  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near the south end of Bodega Bay. Comment
  CAS-BOT-BC319702  Hieracium albiflorum John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54006 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-BC319706  Hieracium albiflorum Peter Rubtzoff 1952-6-3 1157 Sonoma South slopes of Fitch Mtn. near Healdsburg Comment
  JEPS78859  Hieracium albiflorum Edward Lee 1936-6-8 2219 Sonoma Bohemian Grove; grounds near entrance Comment
  UCD35325  Hieracium albiflorum Beecher Crampton 1955-6-8 2825 Sonoma 7 miles northwest of Calistoga. Comment
  RSA143957  Hierochloe occidentalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UC16300  Hoita macrostachya Alice King June, 1897 Sonoma Healdsburg Comment
  UCD105868  Hoita macrostachya Frederica Bowcutt 1994-6-24 1903 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 Meadow Creek at seasonal creek crossing near trail head. 396 Comment
  UC1084457  Hoita orbicularis G. Thomas Robbins 1937-6-5 219 Sonoma 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC280791  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC280792  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  OBI35876  Holcus lanatus David J. Keil 1983-6-29 17202 Sonoma Ca. 10 mi SE of Ft Ross along hwy 1 Comment
  SEINET176555 Image available Holcus lanatus M. E. Jones 1882-7-18 3546 Sonoma Duncan's Mills 9 Comment
  CAS-BOT-BC280796  Holcus lanatus Roxana S. Ferris; Laura Lorraine 1961-6-14 13543 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  JEPS128300  Holodiscus discolor Roger Raiche 2010-6-16 020 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD38483  Holodiscus discolor Beecher Crampton 1955-6-17 2957 Sonoma 5 miles west of Cazadero, road to Fort Ross. Comment
  CAS-BOT-BC152392  Holodiscus discolor var. discolor G. DeNevers 1981-5-26 1325 Sonoma Near Phillips House, Pepperwood Ranch Comment
  JEPS128298  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-16 022 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128299  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-16 021 .10 Sonoma The Cedars, Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  UCR280161  Holozonia filipes Peter Rubtzoff, Nancy Harrison 1976-6-18 8646 Sonoma North Coast Range, False Lake Meadow area, Annadel State Park 221 Comment
  UCD85388  Hordeum brachyantherum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  UCD85368  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1955-4-5 2401 Sonoma 2 miles north of Healdsburg, along US Highway 101. Comment
  CAS-BOT-BC285183  Hordeum marinum subsp. gussoneanum John Thomas Howell; Walter Knight; Irja Knight 1988-5-21 6226 Sonoma Todd Road Preserve 24 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
  POM205105  Hordeum murinum subsp. glaucum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  RSA123430  Hordeum murinum subsp. glaucum H. S. Yates 1936-5-16 5601 Sonoma 2 miles S.E. of Forestville 30 Comment
  HSC10197  Hordeum murinum subsp. leporinum S. N. Wiemeyer 1962-1-29 7 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC282020  Hordeum murinum subsp. leporinum Mary P. Wells 1981-8-2 s.n. Sonoma Between North Recreation Center and Leeward Rd, the Sea Ranch Comment
  SD56711  Horkelia californica Darley F. Howe 1963-8-1 Sonoma 2.2 mi. no. of Jenner on #1 Comment
  CAS-BOT-BC536168  Horkelia californica var. elata Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  UC574867  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 mi n Sebastopol Comment
  UCD113462  Horkelia tenuiloba G. F. Hrusa 1989-6-4 7187 Sonoma Headwaters of Agua Caliente Creek. NW exposure, just below summit. Comment
  UCD161442  Hosackia crassifolia James A. Neilson Jr. 1975-7-8 3385 Sonoma Mayacmas Mountains; west of Alder Creek, vicinity of Geyser Rock; northeast Sonoma County, (Coordinates and elevation estimated by label maker.) 1097 Comment
  UCSB31800  Hosackia crassifolia Townsend, J. Sonoma East side Russian river about 1 mile south of Gerneyville 457 Comment
  CAS-BOT-BC400993  Hypericum anagalloides Milo S. Baker 1927-6-19 2216 a Sonoma Hood Mountain. In Macartney's woods Comment
  CAS-BOT-BC401290  Hypericum perforatum Peter Rubtzoff 1956-9-16 2922 A Sonoma Vacation Beach, near Guerneville Comment
  UCD133467  Hypochaeris radicata Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-25 173 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR56082  Iris douglasiana Fran Sibel 1965-5-28 328 Sonoma North Coast, along Gualala River off Hwy 1 and east toward Anapolis 152 Comment
  RSA135876  Iris fernaldii Lee W. Lenz, E. K. Balls 1951-5-3 16408 Sonoma Between Kellogg and Alexander Valley, Maacama (Miyakama) Creek, 2 miles from turn-off to Geyserville from Petrified Forest 610 Comment
  RSA137361  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17107 Sonoma To Mark West Springs and Santa Rosa to Kellogg and Petrified Forest 76 Comment
  RSA261388  Iris fernaldii Johann D. Watjen 1969-4-27 22 Sonoma Adobe Canyon, 3 miles east of Highway 12, 11 miles north of Sonoma Comment
  UC1520700  Iris macrosiphon R. Raiche 1985-4-6 50175 Sonoma w of Healdsburg (Dry Creek area, ridge w side of Dry Creek Valley, n of Dorman Canyon to Bradford Mt. area); Dry Creek Valley, Dry Creek Area 243 Comment
  RSA66912  Iris missouriensis E. K. Balls, Lee W. Lenz 1951-5-3 16399 Sonoma Ca. 2 miles north of Highway 12 on road to Petrified Forest Comment
  UCR244748  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  UCR254909  Isoetes Greg de Nevers 1997-5-30 11010 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC57737  Isoetes howellii John Thomas Howell 1934-3-27 11805 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  UCD164100  Isoetes nuttallii Peter Rubtzoff; Nancy Harrison 1978-5-20 9182 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC61920  Isoetes nuttallii John Thomas Howell; Catherine Best 1981-4-2 53932 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, Sonoma Mt. east of Cotati Comment
  CAS-BOT-BC112569  Isolepis cernua Peter Rubtzoff 1962-8-22 5059 Sonoma Bodega Bay Marsh. Comment
  RSA788953  Juncus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC157987  Juncus Peter Rubtzoff 1968-6-25 5905 Sonoma Lichan Marsh Comment
  CDA37961  Juncus bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .339 Sonoma Geyser Peak Rd. Comment
  SD99417  Juncus bolanderi Christopher Davidson 1977-6-20 6024 Sonoma Dry Creek Road, 11.9 miles west of Geyserville. Gravel bar in Warm Springs Creek. 136 Comment
  UCD141497  Juncus effusus P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  SD99420  Juncus effusus subsp. pacificus Christopher Davidson 1977-6-20 6025 Sonoma Dry Creek Road, 11.9 miles west of Geyserville. Gravel bar in Warm Springs Creek. 136 Comment
  RSA785888  Juncus effusus var. brunneus Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC157998  Juncus hesperius Peter Rubtzoff 1959-6-20 4178 Sonoma Willow Creek Marsh Comment
  UCD148464  Juncus hesperius Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC173634  Juncus kelloggii Peter Rubtzoff 1972-4-23 6732 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  HSC42044  Juncus lescurii S. Saufferer 1973-5-24 217 Sonoma Bodega Bay 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
  SD99416  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12, ca. 3 miles west of Guerneville, along Russian River. Sand bar in river. 14 Comment
Read comments
Jun 25 2020
  UCD141757  Juncus patens Frederica Bowcutt 1996-5-19 2153 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Near trailhead for Lower Bald Mountain. Above Group campground. 472 Comment
  RSA94015  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  UCD21130  Juncus tenuis Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 305 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UC1585377  Keckiella corymbosa R. Raiche, K. Zadnik, and H. Forbes 1889-10-1 UCBG 2 Sonoma Botanical Garden; Univ. of Calif., Berkeley Comment
  CAS-BOT-BC320561  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCR248901  Kickxia elatine Peter Rubtzoff 1971-8-9 6633 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCR248737  Kickxia spuria Peter Rubtzoff 1970-9-8 6381 Sonoma marsh on River Road, c. 3 miles west of Fulton 27 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-BC273788  Koeleria pyramidata G. DeNevers 1981-5-23 1309 Sonoma Pepperwood Ranch. Above (N) of the Green House Comment
  UCD133518  Lactuca saligna Freed W. Hoffman 1946-8-23 797 Sonoma Lone Mountain Farm, near Guerneville. North Coast Range. Comment
  CAS-BOT-BC166951  Lagophylla Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC274315  Lagurus ovatus David D. Keck 1948-6-29 5927 Sonoma Fort Ross, at the chapel 30 Comment
  CDA2215  Lagurus ovatus T. C. Fuller 1971-6-3 19897 Sonoma Sea Ranch. 0 Comment
  CAS-BOT-BC164406  Lamiaceae Peter Rubtzoff 1954-8-4 1648 Sonoma Guerneville Marsh. Comment
  POM63142  Lamium amplexicaule A. A. Heller 1902-6-7 5658 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  JEPS86320  Lasthenia burkei Jack and Betty Guggolz 1988-4-17 915 Sonoma 400 m n San Miguel Road (200 m e of Franciscan Road) Comment
  JEPS86746  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1029 Sonoma 1.25 mi nw old Windsor (Kidd Development) 41 Comment
  UC1594209  Lasthenia burkei L. Huntington 1990-4-4 252 Sonoma 1100' e of sharp bend in Lytton Station Rd.; Lytton area 51 Comment
  UC90026  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Bodega Point Comment
  JEPS10380  Lasthenia californica subsp. macrantha W. L. Jepson 1931-7-19 15947 Sonoma just n of mouth Salmon Creek (between Bodega Bay and the mouth of the Russian River) Comment
  SEINET11447679 Image available Lasthenia californica subsp. macrantha K. Brandegee 1905-6-27 s.n. Sonoma Near Bodega Bay Comment
  CAS-BOT-BC355518  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 miles south of El Verano on Arnold Drive Comment
  UC978119  Lasthenia glaberrima L. Beane and Lois E. James 1949-5-16 1947 Sonoma ca. 3 mi s Healdsburg Comment
  CAS-BOT-BC355526  Lasthenia glaberrima Peter Rubtzoff 1972-4-25 6734 Sonoma Vernal pool 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  RSA276854  Lasthenia glaberrima Peter Rubtzoff 1966-5-30 5747 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road Comment
  UC1728263  Lasthenia glabrata subsp. glabrata Phyllis M. Faber 1998-5-1 Sonoma off Hwy 37 near Petaluma River (east side) (in disturbed area of dike removal); Sonoma baylands Comment
  HSC100946  Lasthenia gracilis Peter Warner 2011-3-26 182 Sonoma Annadel State Park, ~50 m E upslope from Live Oak Trail, ~200 m N of junction with Rough Go Trail. 229 Comment
  SD241760  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 miles south of Jenner, on bluffs overlooking the ocean. Comment
  UCD164991  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  UCD84095  Lathyrus angulatus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CDA14415  Lathyrus cicera D. Joley 1995-5-13 Sonoma Sugarloaf Ridge State Park. 0 Comment
  CDA4181  Lathyrus hirsutus T. C. Fuller 1969-10-1 18964 Sonoma Two different ranches north & south of Santa Rosa. 0 Comment
  UCD106341  Lathyrus polyphyllus P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  UCR255730  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA161411  Lathyrus torreyi R. C. Bacigalupi 1926-5-2 1374 Sonoma Cazadero. Comment
  UCD167636  Lathyrus vestitus James A. Neilson Jr. 1977-3-7 3845 Sonoma Mayacmas Mountains. Hwy 29, 2 miles south from summit at R. L. Stevenson State Park. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1128950  Lathyrus vestitus var. vestitus E. Armstrong 1934-3-26 928 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 121 Comment
  UCD151309  Lathyrus vestitus var. vestitus James A. Neilson Jr. 1974-4-30 2722 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) 441 Comment
  SEINET7067252  Layia chrysanthemoides A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC323255  Layia chrysanthemoides H. N. Bolander 1864-4-18 3902 Sonoma Santa Rosa Valley. [noted on sheet: in meadow at Mark West, Sonoma County] Comment
  POM298266  Layia chrysanthemoides D. D. Keck 1931-4-2 997 Sonoma Boyes Springs 30 Comment
  RSA785925  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  CAS-BOT-BC379622  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 miles south of Jenner Comment
  UC1073293  Layia platyglossa George B. Rossbach 1955-3-19 547 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  UCD148508  Leersia oryzoides Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  UCR254923  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road 5 Comment
  CAS-BOT-BC274358  Leersia oryzoides John Thomas Howell 1946-8-17 22880 Sonoma The Laguna just east of Sebastopol Comment
  UCD166260  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sear Point. 11 Comment
  UCD166332  Lemna Peter Rubtzoff 1968-6-25 5910 Sonoma Lichan Marsh. Comment
  UCR254728  Lemna minima Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh [c. 0.5 mi E of Forestville, NW of Sebastopol] 50 Comment
  CAS-BOT-BC527282  Lemna minuta Peter Rubtzoff 1951-7-28 543 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  UCR256276  Lemna valdiviana Peter Rubtzoff 1961-8-24 4710 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 Comment
  CAS-BOT-BC89152  Lepidium didymum Volney Rattan 1877-6-21 s.n. Sonoma Santa Rosa. Comment
  POM258953  Lepidium didymum C. L. Hitchcock, J. S. Martin 1939-7-15 5445 Sonoma Cliffs below Bodega State Park Comment
  UCR255881  Lepidium latifolium Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Hwy 37 1 Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  UCD115831  Lepidium strictum Frederica Bowcutt 1994-6-12 1843 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. ca. 20 ft.Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  CAS-BOT-BC320566  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  RSA0022357  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  RSA262193  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-9-2 6354 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC273995  Leptochloa fusca subsp. fascicularis Catherine Best 1987-7-2 1291 Sonoma At the intersection of Todd and Llano Rds. Comment
  CAS-BOT-BC376243  Leptosiphon androsaceus Greg de Nevers 1992-4-28 10117 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC376422  Leptosiphon ciliatus Greg de Nevers 1992-6-24 10177 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By the PG&E tower in the saddle. 400 Comment
  CAS-BOT-BC226697  Leptosiphon jepsonii G. DeNevers 1981-4-11 707 Sonoma Pepperwood Ranch. 1st meadow upstream of Pepperwood-Pippindale Gate Comment
  JEPS127611  Leptosiphon jepsonii Estelle P. Clifton 2016-4-14 Sonoma 4611 Porter Creek Road, Santa Rosa Comment
  UCD55069  Leptosiphon jepsonii Ellen Dean; Tammie Beyerl 2006-4-28 3013 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  CHSC23090  Leptosiphon parviflorus Robert A. Schlising 1962-3-31 2118 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  JEPS87256  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1339 Sonoma about 2 1/4 mi nw of Camp Meeker 207 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
  JEPS82406  Lessingia hololeuca Roger Raiche 1983-9-20 30727 Sonoma between Monte Rio and Camp Meeker Bohemian Highway; Headwaters Duvoul Creek Comment
  UC1287406  Lessingia hololeuca Willard Spence 1960-9-13 630 Sonoma 2 mi s Monte Rio (on road to Camp Meeker and Occidental) Comment
  CAS-BOT-BC341997  Lessingia ramulosa J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC342011  Lessingia ramulosa John Thomas Howell 1926-11-14 2250 Sonoma Hills south-east of Santa Rosa 83 Comment
  CAS-BOT-BC451695  Lilaea scilloides Peter Rubtzoff 1972-6-11 6775 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC451706  Lilaea scilloides Greg de Nevers 1997-5-30 11011 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC451701  Lilaea scilloides David Morgan 1961-5-9 s.n. Sonoma Along Redwood Highway 4 1/2 mi. s. of Mendocino Co. line Comment
  CAS-BOT-BC451702  Lilaea scilloides Lewis S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa, 1/2 mi. e of Cunningham 15 Comment
  CAS-BOT-BC130695  Lilium occidentale Peter Rubtzoff 1951-8-18 633 Sonoma Western branch of the Upper Marsh Comment
  UC1191232  Lilium occidentale Herbert L. Mason 1946-7-4 12893 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
Read comments
Dec 13 2006
  CAS-BOT-BC130826  Lilium pardalinum Peter Rubtzoff 1951-7-22 539 Sonoma Northern half of Lower Marsh Comment
  UC3723  Lilium pardalinum F. T. Bioletti 1892-1 Sonoma Point Arena Comment
Read comments
Oct 18 2008
  CHSC31354  Limnanthes douglasii N. Kvasnik 1980-4-2 3 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  UC1057461  Limnanthes douglasii G. Thomas Robbins 1937-5-23 180 Sonoma near Wright School (along road between Santa Rosa and Sebastopol) Comment
  RSA51321  Limnanthes douglasii Peter H. Raven 1980-4-6 s.n. Sonoma Vernal flats, Cotati to Santa Rosa. 30 Comment
  UC726862  Limnanthes douglasii subsp. douglasii A. A. Heller 1940-4-22 15553 Sonoma field between East Windsor and West Windsor Comment
  UCD21131  Limnanthes douglasii subsp. rosea Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 306 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  RSA215944  Limnanthes vinculans Peter Rubtzoff 1966-5-29 5726 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road) Comment
  UC1368724  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma e Sebastopol; Laguna de Santa Rosa Comment
  RSA800897  Limosella acaulis Peter Rubtzoff 1970-9-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UC30171  Linanthus acicularis H. N. Bolander 1864-1 3853 Sonoma Russian River Bed Comment
  UC106672  Linanthus ciliatus Michener and Bioletti 1892-5-20 1542 a Sonoma Hood's Peak Comment
  POM298415  Linum angustifolium H. C. Cantelow 1941-6-7 s.n. Sonoma 5-1/2 miles south of Bay, State Hwy. 1. Comment
  UCD110569  Linum bienne Mary M. Hektner 1974-5-27 006 Sonoma Unit 7 Owners' Map, south of Whaler's Reach, Sea Ranch, near State Highway 1. Comment
  UCD81453  Lithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  SEINET8724410 Image available Lithocarpus densiflorus L. Fallon 1939-1 s.n. Sonoma 15 miles west of Santa Rosa. Comment
  CAS-BOT-BC36014  Lithocarpus densiflorus var. densiflorus H. E. McMinn 1922-6-7 191 Sonoma Redwoods near Monte Rio Comment
  CAS-BOT-BC36015  Lithocarpus densiflorus var. densiflorus Irja Knight; Walter Knight 1964-11-15 773 Sonoma Hood's peak at Johnson Lake Comment
  RSA476678  Lithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  CAS-BOT-BC430978  Lithophragma bolanderi A. A. Heller; H. E. Brown 1902-4-18 s.n. Sonoma Fields East of Santa Rosa Comment
  CAS-BOT-BC361419  Logfia gallica Greg de Nevers 1993-5-30 10465 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  UCD66200  Lolium multiflorum R. Tofsrud 1941-6-1 Sonoma Santa Rosa, Odd Fellows Cemetery. Comment
  UCD66201  Lolium multiflorum Collector Unknown 1941-3-1 Sonoma Fremont School, Santa Rosa. Comment
  UCD84595  Lolium perenne Frederica Bowcutt 1994-6-12 1841 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Sonoma Creek near trailhead for Hillside trail. 365 Comment
  JEPS81825  Lomatium californicum Edward Lee with W. A. Setchell 1936-6-8 2208 Sonoma Belvedere, Bohemian Grove Comment
  UCD55147  Lomatium californicum Ellen Dean; Tammie Beyerl 2006-4-28 3029 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 254 Comment
  RSA452563  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  UC643374  Lomatium caruifolium var. caruifolium Milo S. Baker 1940-4-22 9545 Sonoma several mi. n. Windsor (unfenced field on e. side of hwy.) Comment
  SEINET5321344  Lomatium dasycarpum A. G. Vestal 1962-4-11 Sonoma Occidental; 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN Comment
  JEPS86814  Lomatium repostum Jack and Betty Guggolz 1991-5-4 1127 Sonoma <firebrake> on s. side Bradford Mt. (1 mi. w. of Dry Creek Rd.) 341 Comment
  UCD73920  Lomatium repostum G. Ledyard Stebbins 1966-5-1 6390 Sonoma Rincon Ridge, Chanate Road, 1/4 mile west of Montecito. Comment
  JEPS112769  Lomatium utriculatum Dean W. Taylor 1994-5-4 14213 Sonoma Ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UC1123059  Lomatium utriculatum H. S. Yates 1934-4-21 3794 Sonoma near Bodgea; Sebastopol Quad. Comment
  CAS-BOT-BC240648  Lonicera hispidula Mrs. E. C. Sutliffe 1920-8-1 s.n. Sonoma Annapolis Comment
  SJSU11557  Lonicera involucrata T. A. Wayne 1962-4-7 Sonoma between Bodega Bay & Salmon Cr Comment
  CAS-BOT-BC244011  Lonicera involucrata var. ledebourii Peter Rubtzoff 1953-5-16 1368 Sonoma Vacation Beach, near Guerneville, bank of Russian River Comment
  CAS-BOT-BC244012  Lonicera involucrata var. ledebourii Peter Rubtzoff 1954-6-6 1472 Sonoma Guerneville Marsh Comment
  CDA9231  Lonicera involucrata var. ledebourii D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  JEPS77875  Lonicera involucrata var. ledebourii Robert M. Lloyd 1965-5-8 3638 Sonoma about 4 mi n Route 116 (Llano Road, upper portion of marsh, e of Cunningham, se of Sebastopol); Laguna de Santa Rosa Marsh Comment
  UC28561  Lonicera involucrata var. ledebourii J. Burtt Davy 1894-6-18 Sonoma Knight's Valley Comment
  CAS-BOT-BC243996  Lonicera involucrata var. ledebourii H. E. McMinn 1922-6-6 163 Sonoma Along stream in So. Sonoma Co., S. of Occidental Comment
  RSA177973  Lonicera involucrata var. ledebourii R. F. Thorne 1965-4-19 34268 Sonoma Halfway between Bloomfield and Valley Ford. 18 Comment
  UC618378  Lotus angustissimus Milo S. Baker May 1935 8067 Sonoma n of Wrights Beach (Coast Highway) Comment
  UCR197883  Lotus angustissimus Beecher Crampton 1946-8-16 417 Sonoma Fort Ross Comment
  IRVC28976  Lotus formosissimus G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma Salt Point State Park North Coast 30 Comment
  UC15585  Lotus formosissimus Harley P. Chandler 1900-5-25 674 Sonoma Bodega Comment
  UC54909  Lotus formosissimus J. B. Clifford 1903-4-25 Sonoma Forestville Comment
  UC80808  Lotus heermannii Alice Eastwood 1899-6-9 Sonoma Bodega Point Comment
  SEINET6932526  Lotus heermannii Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head, at middle of the peninsula. Comment
  UC496417  Lotus humistratus Merle Randall 1930-6-11 Sonoma Cazadero Comment
  HSC98263  Lotus humistratus S. N. Wiemeyer 1962-4-20 29 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  POM225839  Lotus humistratus J. T. Howell 1931-4-19 6434 Sonoma Spring Mountain Road, 7.5 miles from St. Helena. Comment
  POM27250  Lotus humistratus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  UC15653  Lotus micranthus Harley P. Chandler 1900-5-25 651 Sonoma Bodega Comment
  SEINET7042389  Lotus micranthus A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC353803  Lotus oblongifolius var. oblongifolius Milo S. Baker 1928-4-28 3008 a Sonoma Pitkin Swamp Comment
  SEINET3523773 Image available Lotus purshianus Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15122 Sonoma Roadside, 2 miles N of Kellogg Comment
  JEPS55882  Lotus stipularis var. stipularis P. B. Kennedy ca. 1914 Sonoma Del Mar Comment
  JEPS55883  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hood Peak Comment
  SEINET7067332  Lotus wrangelianus 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
  RSA32862  Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma Bodega Bay Comment
  CAS-BOT-BC290621  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east 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
  UCD65993  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 33 -LU Sonoma Laguna Wildlife Area, Laguna de Santa Rosa at Blucher Creek Confluence. California Dept. of Fish and Game. Downstream of Todd Road bridge, Laguna de Santa Rosa south of Sebastopol, CA. 22 Comment
  UCD66023  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66027  Ludwigia hexapetala B. J. Grewell 2006-8-25 06- 52 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol. 16 Comment
  UCD66048  Ludwigia hexapetala B. J. Grewell; Keenan Foster 2005-9-14 05- 18 -LU Sonoma Russian River at Cloverdale Airport. 79 Comment
  CAS-BOT-BC251189  Ludwigia palustris Peter Rubtzoff 1956-9-15 2910 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC251194  Ludwigia palustris Peter Rubtzoff 1954-8-4 1656 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC157972  Ludwigia peploides Peter Rubtzoff 1958-7-26 3807 Sonoma Laguna de Santa Rosa, east of Sebastopol Comment
  CAS-BOT-BC164062  Ludwigia peploides Peter Rubtzoff 1958-8-16 3881 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC198251  Lupinus Mrs. H. C. Cantelow 1936-4-5 1183 Sonoma Fort Ross Grade Comment
  HSC14956  Lupinus albifrons S. N. Wiemeyer 1962-4-13 11 Sonoma 2.1 mi. N of jct. of Calistoga and Hwy. 12 274 Comment
  CAS-BOT-BC195972  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48163 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  CAS-BOT-BC195976  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48164 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  CAS-BOT-BC196153  Lupinus albifrons var. douglasii J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  UCD106617  Lupinus arboreus Eric Davidson 1971-6-29 335 Sonoma next to ocean's edge; Salt Point State Park, north of Fort Ross. Comment
  UC15934  Lupinus bicolor Harley P. Chandler 1900-5-25 671 Sonoma Bodega Comment
  SEINET10838181  Lupinus densiflorus Joseph W. Congdon 1880-5-30 Congdon s.n. Sonoma Petaluma. Comment
  POM253151  Lupinus densiflorus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma Hills between Petaluma and Napa. Comment
  HSC14968  Lupinus densiflorus var. palustris H. E. Parks, S. T. Parks 1930-5-9 600 Sonoma West end of Knights Valley 152 Comment
  SEINET10485254  Lupinus densiflorus var. palustris Joseph W. Congdon 1880-6-6 Congdon s.n. Sonoma Comment
  UC1076235  Lupinus formosus H. L. Mason June 1930 5655 Sonoma mouth of Gualala River Comment
  UC501358  Lupinus formosus H. E. and S. T. Parks 1930-5-10 849 Sonoma Knights Valley Comment
  SEINET12165969  Lupinus formosus W. Knight, Knight, I. 1988-1 6326 Sonoma Adobe Rd, nr teh Old Adobe Comment
  SEINET10490758  Lupinus formosus var. formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7079 Sonoma On n-facing grassy clay bank, 0.6 mi w of sonoma-napa county line on hwy 121. 61 Comment
  CDA36830  Lupinus latifolius CDFA Staff 2002-5-17 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCR265092  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 17.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 260 Comment
  UC201959  Lupinus littoralis Milo S. Baker 1899-6-27 Sonoma Coast road near Bodega Bay; Coast Road near Bodega Bay Comment
Read comments
Apr 13 2007
  SEINET5790384 Image available Lupinus microcarpus Marcus E. Jones 1882-1 3329 Sonoma Duncan's Mills Comment
  CAS-BOT-BC8457  Lupinus microcarpus var. microcarpus Marcus Eugene Jones 1882-7-17 3329 Sonoma Duncan's Mills Comment
  UC725327  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  UC931976  Lupinus microcarpus var. microcarpus Verne Grant, Alva Grant 1947-5-4 7951 Sonoma on highway to Sebastopol 4 mi e Bodega Bay; e of Bodega Bay Comment
  SBBG69038  Lupinus microcarpus var. microcarpus L. Rowntree 1931-7-13 Sonoma near Bodega Comment
  UCD151182  Lupinus nanus James A. Neilson Jr. 1974-4-16 3064 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  UCD108930  Lupinus nanus Botany 102 Students 1993-5-8 232 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 Meadow Creek. 396 Comment
  UCD108979  Lupinus nanus A. A. Heller; H. E. Brown 1902-4-9 5233 Sonoma Near Healdsburg. Comment
  UCD15528  Lupinus nanus Gregory J. Lowenberg 1988-5-9 20 Sonoma 1/4 mile of entrance to Bodega Marine Laboratory Road. 12 Comment
  CAS-BOT-BC8279  Lupinus sonomensis Amos Arthur Heller 1940-5-17 15638 Sonoma 2 miles E of Shellville, along road Comment
  JEPS77251  Lupinus succulentus Robert M. Lloyd 1963-4-24 2390 Sonoma on road to Oakdale 1.3 mi from State Highway 12; rd to Oakdale 243 Comment
Read comments
Sep 25 2013
  SBBG3734  Lupinus variicolor H. and M. Dearing 1939-5-14 3349 Sonoma coast on Russian River Comment
  CDA27598  Lupinus variicolor T. C. Fuller 1967-5-19 15883 Sonoma At the entrance of Doran Park on the Coast Highway (Highway 1), 1 mile south of the town of Bodega Bay. 0 Comment
  UCD109667  Lupinus variicolor Eric Davidson 1972-5-27 391 Sonoma near University of California's Bodega Marine Lab, Bodega Head. Comment
  SEINET13198378 Image available Lupinus versicolor A. G. Vestal 1947-5-13 s.n. Sonoma Comment
  UC1133753  Luzula comosa H. S. Yates 1936-5-16 5591 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  CHSC20576  Luzula macrantha Robert A. Schlising 1962-3-31 2129 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  RSA0015995  Lythrum hyssopifolia Peter Rubtzoff 1956-9-15 2904 Sonoma Atascadero Creek Marsh. Comment
  SDSU4684  Madia citriodora D. F. Howe 1972-6-28 4844 Sonoma 4.5 miles north of Jenner. 122 Comment
  CAS-BOT-BC344037  Madia elegans Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  UCD132772  Madia elegans Frederica Bowcutt 1997-7-20 2205 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. At Pony Gate Trail, above Adobe Canyon Rd., about 2.6 miles from intesection with Hwy.12. 396 Comment
  CAS-BOT-BC343450  Madia gracilis Alice Eastwood; John Thomas Howell 1938-5-15 5509 Sonoma Near Mark West Springs Comment
  UC598735  Madia gracilis John Bright 1936-5-2 13114 Sonoma near Healdsburg Comment
  CAS-BOT-BC343467  Madia gracilis G. DeNevers 1981-5-30 1341 Sonoma Pepperwood Ranch. In creekbed N of Hansel's corral Comment
  CAS-BOT-BC345212  Madia sativa Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC345228  Madia sativa H. M. Hall 1916-7-24 10250 Sonoma Near Petaluma Comment
  CAS-BOT-BC345211  Madia sativa D. E. Breedlove 1961-12-31 1445 Sonoma At S side of mouth of Russian River 6 Comment
  CAS-BOT-BC345216  Madia sativa H. M. Hall 1931-5-28 13105 Sonoma Bodega Bay Comment
  CAS-BOT-BC345253  Madia sativa Walter Knight; Irja Knight 1963-10-3 378 Sonoma Off-ramp at freeway US 101 and Railroad Ave - Cotati Comment
  CAS-BOT-BC345264  Madia sativa W. M. Heusi 1930-10-18 109 Sonoma Six miles northwest of Petaluma, along road to Tomales Comment
  UCD134337  Madia sativa Mary M. Hektner; Cathy Hendel 1974-7-29 182 Sonoma Shell Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD158739  Malacothrix floccifera James A. Neilson Jr. 1973-7-10 2827 Sonoma Mayacmas Mountains. The Geysers. (Elevation estimated using Google Earth by label maker.) 441 Comment
  CAS-BOT-BC376264  Malva sylvestris Greg de Nevers 1992-9-1 10249 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  UCD160870  Marah James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3280 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
  HSC7020  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi. NE of Graton 30 Comment
  HSC7018  Marah fabacea F. Demostene 1966-4-1 3 Sonoma 2 mi. E of Healdsburg Comment
  UCD41239  Marah fabacea Ray Hoffman 1976-5-31 23 Sonoma 0.2 miles south on Freezeout Road, 0.3 miles south of junction of State Hwy 116 and Moscow Road. Comment
  UCD125013  Marrubium vulgare M. Barbour 1970-11-30 s.n. Sonoma Bodega Marine Station. Comment
  CAS-BOT-BC348219  Matricaria discoidea Peter Rubtzoff 1972-5-25 6773 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC348313  Matricaria occidentalis Peter Rubtzoff 1972-5-25 6772 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC348314  Matricaria occidentalis Peter Rubtzoff 1970-5-16 6227 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC268110  Medicago Peter Rubtzoff; Nancy Harrison 1974-9-7 7874 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  RSA54042  Medicago arabica J. T. Howell 1948-4-18 24212 Sonoma Hills east of Agua Caliente. Comment
  UCD107847  Medicago polymorpha P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  UCD87156  Melica californica David L. Morgan 1956-4-25 s.n. Sonoma 2 mi. W. of Petaluma on 'I' st. Ext. Comment
  UCD87352  Melica geyeri R. Tofsrud 1947-5-4 s.n. Sonoma Parker Hill near Santa Rosa. Comment
  CAS-BOT-BC281280  Melica geyeri David L. Morgan 1961-4-17 s.n. Sonoma On Bohemian Highway, 3 miles N of Occidental Comment
  CAS-BOT-BC281390  Melica harfordii John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54694 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC262551  Melica torreyana G. DeNevers 1981-5-23 1265 Sonoma Pepperwood Ranch. At bottom of Franz Valley Road Comment
  CAS-BOT-BC262552  Melica torreyana G. DeNevers 1981-5-15 1182 Sonoma Pepperwood Ranch. In first big left hand Canyon off N arm of Garrison Canyon Comment
  CAS-BOT-BC262556  Melica torreyana Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 miles north of Occidental Comment
  UC1024769  Melica torreyana Leo Whitney 1935-4-14 2259 b Sonoma near Occidental (Blunden's Pasture) Comment
  UCD89210  Melica torreyana L. Whitney 1935-4-14 s.n. Sonoma Near Occidental. Comment
  SEINET10599669  Melica torreyana A. Arthur Heller 1902-3-17 Heller 5084 Sonoma Hills near Santa Rosa. Comment
  UCD89204  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma N. of Sonoma. Road to 'Top O'World. Comment
  SEINET12165192  Melilotus indicus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -163 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  CAS-BOT-BC164085  Mentha Peter Rubtzoff 1966-10-9 5831 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC164362  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  CAS-BOT-BC164066  Mentha Peter Rubtzoff 1958-5-10 s.n. Sonoma Laguna de Santa Rosa, E of Cunningham, near Llano Road crossing Comment
  RSA784597  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region: Russian River. Fitch Mts. Grove, 2 mi E of Healdsburg. Comment
  RSA247445  Mentha X piperita Peter Rubtzoff 1951-9-3 743 Sonoma Margin of creek at Hwy 12 SE of Forestville Comment
  PASA1168  Mentha pulegium Frank W. Peirson 1925-8-8 Sonoma 5 miles east of Santa Rosa Comment
  RSA785665  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  UC187861  Mentha pulegium Edw. L. Greene 1888-8-30 Sonoma above S. Rosa <Santa Rosa?> (<Santa Rosa?>); above S. Rosa <Santa Rosa?> Comment
  UCD148376  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  RSA784401  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  RSA534492  Mentzelia laevicaulis Peter Rubtzoff 1961-8-26 4724 Sonoma Vacation Beach, 2 mi. below Guerneville. Russian River bottom. Comment
  JEPS42860  Mentzelia laevicaulis var. laevicaulis J. B. Davy 1896-7-23 Sonoma Guerneville Comment
  UCD134481  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 miles southeast of Sonoma. 76 Comment
  CAS-BOT-BC348626  Micropus californicus var. californicus David D. Keck 1933-5-28 2325 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  UC88393  Micropus californicus var. californicus unknown May 1890 Sonoma Cloverdale Comment
  CAS-BOT-BC348621  Micropus californicus var. californicus H. L. Mason 1934-4-28 8077 Sonoma Jensen's Ranch, head of Dohrmann Creek Comment
  CAS-BOT-BC348622  Micropus californicus var. californicus H. L. Mason 1934-4-28 8090 Sonoma Jensen's Ranch (near orchard), Dohrmann Creek Comment
  SEINET7096778  Microseris douglasii A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane.Ca 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  CAS-BOT-BC349107  Microseris douglasii subsp. tenella Alice Eastwood 1921-5-8 10450 Sonoma Petaluma Comment
  CAS-BOT-BC322704  Microseris laciniata Carl B. Wolf 1927-9-2 1346 Sonoma 2 miles south Anchor Cove Comment
  CAS-BOT-BC322710  Microseris laciniata John Thomas Howell; Alice Eastwood 1938-7-6 6086 Sonoma Alder Glen Springs Comment
  RSA784490  Microseris laciniata subsp. laciniata Peter Rubtzoff, Nancy Harrison, Doug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. 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-BC311869  Mimulus Peter Rubtzoff 1955-8-20 2063 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC320514  Mimulus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  UC446449  Mimulus arvensis Milo S. Baker 1898-5-7 637 Sonoma Glen Ellen Comment
  UCD122508  Mimulus cardinalis K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  UCR248874  Mimulus guttatus Peter Rubtzoff 1978-6-11 9215 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley 35 Comment
  UCR248877  Mimulus guttatus Peter Rubtzoff 1963-6-18 5173 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  HSC20728  Mimulus guttatus R. F. Good 1962-4-20 24 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes. Sonoma Mtn. Coast Range 0 Comment
  OBI47583  Mimulus guttatus L. F. LaPre 1986-6-3 s.n. Sonoma Dorr Place, 4 mi up a privated rd from Mannings flats in Austin Crk State Recreation Area, 6 mi N of Cazadero on upper Austin Crk. Cazadero Quad 207 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
  JEPS74597  Mimulus inodorus L. R. Heckard 1974-8-21 3825 A Sonoma near end Templeton road (s-central part of marsh); Pitkin Marsh Comment
  UC768827  Mimulus microphyllus R. F. Hoover 1939-4-18 4036 Sonoma Occidental Comment
  UCD122689  Mimulus microphyllus Janet McIntosh 1966-4-27 21 Sonoma 8 miles east of Petaluma, State Highway 116. 76 Comment
  UC1063065  Mimulus tricolor E. Armstrong 1934-4-15 1210 Sonoma near Occidental; Sebastapol Quadrangle Comment
  UC8087  Minuartia californica W. H. Brewer 1862-4-18 975 Sonoma near Sonoma Comment
  HSC4089  Minuartia douglasii H. E. Parks, S. T. Parks 1930-5-10 851 Sonoma Knights Valley 152 Comment
  JEPS48608  Minuartia douglasii Eleanor Armstrong 1932-5-20 482 Sonoma near Kenwood (3 mi up canyon); Adobe Canyon 152 Comment
  UC932079  Minuartia douglasii Verne Grant and Alva Grant April 1946 7671 Sonoma on Hwy 12 n intersection of highways 48 and 37 Comment
  UC679520  Mitella caulescens Milo S. Baker 1942-5-23 10199 Sonoma Brookside Garden Comment
  CAS-BOT-BC435110  Mollugo verticillata Peter Rubtzoff 1958-9-21 4002 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  JEPS62415  Monardella purpurea R. F. Hoover 1938-6-14 3609 Sonoma 3 mi west Graton on road to Occidental Comment
  SEINET7042573  Monardella villosa subsp. villosa A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  SEINET12324061  Monardella viridis W. Knight, Knight, I. 1982-1 4624 Sonoma S-facing slope of Hood's Peak 305 Comment
  CAS-BOT-BC444996  Montia fontana Greg de Nevers 1993-3-7 10316 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Double Ponds. 304 Comment
  UC7847  Montia fontana F. T. Bioletti Apr. 1893 Sonoma Kernwood Comment
  CAS-BOT-BC444991  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  CAS-BOT-BC444992  Montia fontana G. DeNevers 1981-4-1 659 Sonoma Pepperwood Ranch. 30 m S of Aluminum Pepperwood Gate. Comment
  POM203651  Montia stenophylla J. T. Howell 1933-4-1 10926 Sonoma Petaluma Comment
  CDA42984  Morella californica L. Ahart, Marge Anthony, John Dittes, Josephine Guardino 2013-4-25 18601 Sonoma North Coast; Near the edge of a residential driveway, 0.7 miles (air) east of Pacific Ocean, 0.8 miles (air) west of Gualala River. Comment
  CAS-BOT-BC515555  Muilla maritima J. W. Congdon 1880-4-8 s.n. Sonoma Petaluma [collected as Marin County] Comment
  UCR198114  Myosotis latifolia Allen Hahus 1978-4-22 17 Sonoma North Coast Range, 0.6 mi north of Hwy 12 on Jonive Road [Sebastapol] 152 Comment
  UCD166498  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  RSA800350  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC83247  Myosurus minimus J. W. Congdon 1880-4-22 s.n. Sonoma Petaluma. Comment
  RSA800083  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC251160  Myriophyllum hippuroides Peter Rubtzoff 1962-8-3 5021 Sonoma Atascadero Creek Marsh. Comment
  UCR244634  Myriophyllum hippuroides Peter Rubtzoff 1955-7-16 1966 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  RSA800894  Myriophyllum hippuroides Peter Rubtzoff 1955-7-2 1916 Sonoma Boggs Lake, southern shore of the lake. Comment
  JEPS86817  Myrtus communis Jack and Betty Guggolz 1991-3-6 1101 Sonoma 7.25 mi from s side of Highway 128 (Ida Clayton Road); Ida Clayton Road 734 Comment
  RSA543177  Najas guadalupensis Peter G. Connors 1992-6-18 289 Sonoma Button Ranch (prospective Univ. Calif. Natural Reserve, pond #15 of Connor s numbering system). Between Walker Road and Roblar Road, 5 km north of Two Rock. 20 km from coast between Bodega Bay and Petaluma 122 Comment
  CAS-BOT-BC260075  Nassella lepida G. DeNevers 1981-6-6 1479 Sonoma Pepperwood Ranch, S slope of Telegraph Hill Comment
  UC1146589  Nassella lepida Freed W. Hoffman 1942-5-11 2267 Sonoma Headwaters Gualala River (The Roughs) North Coast Ranges Comment
  CAS-BOT-BC260283  Nassella pulchra G. DeNevers 1981-5-5 952 Sonoma Pepperwood Ranch. Along the road by Pippindale Garden Comment
  CAS-BOT-BC260284  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma Raliroad cut through low hill, US Highway 101, 3 miles S of Healdsburg Comment
  CDA32559  Nassella pulchra T. C. Fuller 1960-6-14 4486 Sonoma James Black property, ca. 6 miles east of Cloverdale. 0 Comment
  SEINET7042683  Nassella pulchra A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  CAS-BOT-BC344989  Nasturtium officinale Peter Rubtzoff 1960-5-18 4387 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC60527  Nasturtium officinale John H. Thomas 1976-6-18 18363 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. Comment
  UCD161268  Nasturtium officinale James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3684 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of Big Sulphur Creek and the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  SEINET12010247  Nasturtium officinale F. H. Utech 1988-5-21 88 -230 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  JEPS70255  Navarretia cotulifolia W. L. Jepson 1921-6-3 9307 Sonoma s of Santa Rosa (near Wilfred station); Cotati Valley 28 Comment
  UCR30590  Navarretia heterodoxa John C. Roos 1950-7-22 4877 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  POM279099  Navarretia jepsonii Lyman Benson 1930-6-18 s.n. Sonoma South of Santa Rosa. 61 Comment
  UC583200  Navarretia leucocephala subsp. bakeri Alice Eastwood and John Thomas Howell 1936-5-19 2520 Sonoma 2 mi n Windsor Comment
  UC106690  Navarretia linearifolia subsp. pinnatisecta Angell Sonoma between Geysers and Highland; between Geysers and Highland Comment
  POM258874  Navarretia mellita J. T. Howell 1937-7-4 13075 Sonoma Near Petrified Forest. Comment
  UC73615  Navarretia pubescens Milo S. Baker 1898-5-7 Sonoma Glen Ellen Comment
  CAS-BOT-BC232688  Navarretia pubescens James McMurphy 1909-5-29 s.n. Sonoma Canyon near Geyserville Comment
  SD56753  Navarretia pubescens Darley F. Howe 1963-7-2 3574 Sonoma 3.5 mi. so. of Guerneville on #12 29 Comment
  UCR30591  Navarretia squarrosa John C. Roos 1950-7-22 4878 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  RSA98661  Navarretia squarrosa G. Thomas Robbins 1939-7-4 272 Sonoma Near Graton Comment
  SDSU3222  Navarretia squarrosa D. F. Howe 1962-7-28 3360 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  JEPS30771  Navarretia viscidula G. Thomas Robbins 1938-6-23 270 Sonoma ca 10 mi w Santa Rosa (just e of marsh on Pitkin ranch); Vine Hill Region Comment
  JEPS70509  Navarretia viscidula W. L. Jepson 1921-6-2 9298 Sonoma w of Windsor Comment
  JEPS70518  Navarretia viscidula F. T. Bioletti 1892-5-31 Sonoma Shellville Comment
  UC126415  Navarretia viscidula Prof. Heaton Jun 1887 Sonoma Verano Comment
  UC606893  Nemophila heterophylla L. Constance 1938-4-24 2151 Sonoma 2 mi ne Bodega (Salmon Creek); , ne of Bodega 91 Comment
  RSA75812  Nemophila heterophylla Lincoln Constance 1938-4-24 2151 Sonoma On Salmon Creek, 2 miles northeast of Bodega. 91 Comment
  UCD23401  Nemophila heterophylla Wesley Ebert 1977-4-9 18 Sonoma Pale blue flowers with white center. In rich moist humus. Shaded by Umbellularia californica and Quercus agrifolia, but getting some afternoon exposure. On east facing slope. 6000 Soldiers Ln., Penngrove. On west side of Sonoma Mtn. 457 Comment
  CHSC31076  Nemophila menziesii N. Kvasnik 1980-4-2 1 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  SEINET7067240  Nemophila menziesii A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  UC1299130  Nemophila menziesii Freed W. Hoffman 1947-3-31 884 Sonoma Chimney Rock near Monte Rio; near Monte Rio, Chimney Rock Comment
  POM179734  Nemophila menziesii var. atomaria A. A. Heller 1903-4-23 6600 Sonoma Fort Ross. Comment
  SBBG6137  Nemophila menziesii var. atomaria H. and M. Dearing 1939-5-14 3359 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD158879  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-3-27 s.n. Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UC606948  Nemophila parviflora L. Constance 1938-4-24 2153 Sonoma 8 mi s Fort Ross; Russian Gulch, s of Fort Ros 121 Comment
  UC25544  Nepeta cataria J. Burtt Davy Jul 1896 4134 Sonoma Russian River Comment
  CAS-BOT-BC157971  Nicotiana Peter Rubtzoff 1974-8-3 7793 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River Comment
  RSA0057976  Nicotiana Greg de Nevers 1997-10-17 11106 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral. 100 Comment
  UC70571  Nicotiana quadrivalvis W. A. Setchell 1905-8-13 Sonoma banks of Russian River (Bohemia); Bohemia Comment
  SDSU655  Nuphar lutea subsp. polysepala D. F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  CAS-BOT-BC140453  Oemleria cerasiformis Marcus E. Jones 1882-7-18 3578 Sonoma Duncan's Mills Comment
  UC12460  Oemleria cerasiformis J. Burtt Davy 1896-3-13 1645 Sonoma Duncan's Mills Comment
  UC1365621  Oenanthe sarmentosa Peter Rubtzoff 1954-6-20 1509 Sonoma Guerneville Marsh Comment
  UC566873  Oenanthe sarmentosa H. L. Mason June, 1930 5647 Sonoma mouth of Gualala R. 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
  SD56755  Orobanche fasciculata Darley F. Howe 1963-7-2 Sonoma 4.2 miles north of junction with #12 on #1. Comment
  RSA177933  Orthocarpus attenuatus Robert F. Thorne 1965-4-20 34334 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA264761  Orthocarpus campestris Peter Rubtzoff, Tim Tunison, Nancy Harrison 1976-6-5 8580 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA73964  Orthocarpus faucibarbatus Milo S. Baker 1952-4-23 12407 Sonoma Western outskirts of Sonoma along 5th St. Comment
  SEINET3159751  Orthocarpus faucibarbatus L. S. Rose 1933-5-9 33158 Sonoma Bodega Bay Comment
  UCD35324  Osmorhiza berteroi Beecher Crampton 1955-6-8 2828 Sonoma 7 miles northwest of Calistoga. Comment
  SEINET12121508  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -087 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  JEPS117127  Oxalis pes-caprae Peter Warner 2010-3-29 123 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  CAS-BOT-BC227646  Panicum Peter Rubtzoff 1973-8-20 7243 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UC1146580  Panicum acuminatum var. acuminatum Freed W. Hoffman 1941-6-15 2158 Sonoma Eckert Ranch near Salt Point; North Coast Ranges, near Salt Point 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
  UCD167112  Panicum acuminatum var. fasciculatum James Neilson 1975-7-8 3404 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD88406  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4386 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCSB432  Panicum acuminatum var. fasciculatum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  CAS-BOT-BC253797  Panicum hillmanii G. DeNevers 1981-6-27 1715 Sonoma Pepperwood Ranch. Below Walter Ward's house on Franz Valley Road, along Franz Valley Road Comment
  SBBG115658  Panicum thermale B. Crampton 1964-8-18 7139 c Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  SBBG115659  Panicum thermale B. Crampton 1964-8-18 7139 e Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  UCD88720  Paspalum dilatatum Frederica Bowcutt 1996-5-23 2144 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Entrance to campground in Adobe Canyon. 350 Comment
  RSA94094  Paspalum dilatatum J. T. Howell 1946-8-17 22860 Sonoma Cunningham Marsh. Comment
  RSA227225  Paspalum distichum Peter Rubtzoff 1954-7-5 1536 Sonoma Guerneville Marsh. Comment
  HSC100871  Paspalum distichum Peter Warner 2011-8-18 233 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh, in channel, ~50 m S of N edge of parcel. 42 Comment
  CAS-BOT-BC366898  Passiflora citrina Greg de Nevers 1997-12-10 11109 Sonoma Fulton Comment
  SD88564  Pedicularis densiflora Darley F. Howe 1972-2-20 Sonoma Trinity Road, Mt. Hood Range Comment
  CAS-BOT-BC207034  Pelargonium zonale Ethel Hodges 1946-7-1 s.n. Sonoma Stewart's Pt. Comment
  UCD159765  Pellaea mucronata James A. Neilson Jr. 1975-1-24 3130 Sonoma Mayacmas Mountains; Alder Creek drainage; Dominichelli Ranch. (Elevation and coordinates estimated by label maker.) 731 Comment
  UC42625  Pellaea mucronata var. mucronata F. T. Bioletti 1891-12-25 Sonoma Sonoma 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
  UC887199  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 Sonoma Mt. St. Helena Comment
  SEINET12335254  Pentagramma triangularis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -272 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC71727  Pentagramma triangularis subsp. triangularis Walter Knight; Irja Knight 1963-12-27 457 Sonoma Pine Flat Rd. Comment
  CAS-BOT-BC71731  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-9 1181 Sonoma North 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
  CDA13804  Perideridia howellii G. F. Hrusa, A. Buckmann 1996-10-5 13584 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Comment
  JEPS128254  Perideridia kelloggii Roger Raiche 2000-7-24 142 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC413657  Persicaria amphibia Peter Rubtzoff 1963-7-6 5197 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. crossing Comment
  CAS-BOT-BC413660  Persicaria amphibia Peter Rubtzoff 1966-8-16 5781 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  CAS-BOT-BC258014  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  UC335744  Petasites frigidus var. palmatus unknown April 1888 Sonoma redwoods near Healdsburg Comment
  UC1084444  Phacelia G. Thomas Robbins 1940-3-22 304 Sonoma along Guerneville rd ca 8 mi w Santa Rosa Comment
  UC107557  Phacelia bolanderi Michener and Bioletti 1892-7-7 1886 a Sonoma Gualala Comment
  POM299082  Phacelia californica J. T. Howell 1930-7-27 5403 Sonoma One mile north of Fort Ross. Comment
  UC909989  Phacelia californica Alice Eastwood 1915-6-5 4623 Sonoma Petrified Forest Comment
  UCD158781  Phacelia corymbosa James A. Neilson Jr. 1974-6-1 2778 Sonoma Mayacmas Mountains, Geyser Rock, Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  UCR255879  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 Comment
  JEPS2011  Phacelia distans Willis L. Jepson 1893-4-25 21016 Sonoma mts. w Mt. St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  JEPS83482  Phacelia egena R. D. Stone 1985-5-29 671 Sonoma ca 1.1 mi sw Cobb Mt. summit; upper Cobb Creek drainage 1066 Comment
  JEPS1083  Phacelia nemoralis subsp. nemoralis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC1051810  Phacelia nemoralis subsp. nemoralis L. R. Heckard and C. R. Bell 1951-6-12 152 Sonoma rocky roadcuts and roadsides about 2.5 mi ne Alexander Valley (along road to Pine Flat) 60 Comment
  CAS-BOT-BC156325  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh. Comment
  UCD88138  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma Near Guerneville. Lone Mountain Farm. Comment
  UC1132418  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  UCD88869  Phalaris lemmonii Collector Unknown 1941-5-1 340 Sonoma Near Wright School. Comment
  UC1023572  Phalaris minor Virginia Bufford 1936-5-19 259 Sonoma Bennett Valley 2 or 3 mi from Santa Rosa; Bennett Valley Comment
  CAS-BOT-BC250745  Phalaris paradoxa John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6243 Sonoma Todd Road Preserve 24 Comment
  UC1023573  Phleum alpinum Virginia Bufford 1936-5-1 167 Sonoma Larkspur Rock Bodega Canyon; , Larkspur Rock Comment
  UCD89300  Phleum alpinum Beecher Crampton 1957-7-22 4368 Sonoma 0.3 mile south of Stewart's Point, above Fisherman's Bay. Comment
  UCD89315  Phleum alpinum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  UC50732  Phleum pratense J. Burtt Davy July 1896 Sonoma near Guerneville; near Guerneville Comment
  SEINET12330326  Phlox speciosa Unknown 1985-1 50169 Sonoma W of Healdburg, Dry Crk area, ridge W side of Dry Creek Valley, N of Dorman Canyon on Bradford Mt 244 Comment
  JEPS69995  Phlox speciosa subsp. occidentalis Docia I. Patchett 1933-6-6 Sonoma Comment
  RSA139502  Phoradendron densum Del Wiens 1960-6-14 2723 Sonoma Ca 4 miles SE of Monte Rio on road to Camp Meeker. Comment
  UCD102227  Phoradendron leucarpum subsp. tomentosum G. F. Hrusa; T. D. Wilfred 1995-12-3 12481 Sonoma Foote Ranch Property at NW base of Mt. St. Helena. Approx. 1/2 distance to summit along Ida Clayton Rd. 300 Comment
  CAS-BOT-BC171217  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-7-1 1725 A Sonoma Pepperwood Ranch. Along the Road to the Studio on Horse Hill Comment
  CAS-BOT-BC376239  Physalis philadelphica Greg de Nevers 1992-10-15 10251 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 304 Comment
  CAS-BOT-BC140619  Physocarpus capitatus G. DeNevers 1981-5-20 1227 Sonoma Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC366871  Physocarpus capitatus Greg de Nevers 1998-4-27 11197 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  JEPS76918  Physocarpus capitatus Robert M. Lloyd 1963-2-24 2060 Sonoma 0.2 mi n Bodega Bay City (on State Highway 1); n of Bodega Bay City Comment
  UC466693  Physocarpus capitatus W. P. Taylor 1913-6-23 Sonoma 7 W.[?] Cazadero (along creek at Niestrth's[?]) 304 Comment
  HSC15049  Pickeringia montana R. Spellenberg 1964-6-15 405 Sonoma 5 mi. W of The Geysers on road from Geyserville Comment
  SEINET12165199  Pickeringia montana F. H. Utech 1986-1 86 -246 Sonoma Harrison Grade Road, S 0.1 mi from junction with Stoetz Road 200 Comment
  CAS-BOT-BC202278  Pickeringia montana var. montana W. W. Carruth 1899-7-1 s.n. Sonoma Geysers Comment
  RSA796379  Picris echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncan Mills Marsh Comment
  UC1505975  Pinus muricata Daniel I. Axelrod 1983-7-7 E 3 Sonoma Vicinity of Salt Point; along State Hwy 1 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
  UCD133336  Pinus sabiniana Frederica Bowcutt 1994-6-25 1916 Sonoma 609 Comment
  UCSC008262  Piperia elegans Ron Coleman 1989-6-24 1281 -P, 1282-P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  JEPS128342  Piperia transversa Roger Raiche 2010-7-18 040 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC166780  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166956  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC376421  Plagiobothrys Greg de Nevers 1989-4-1 9056 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UC881363  Plagiobothrys Alice Eastwood 1921-5-8 10482 Sonoma Petaluma Comment
  UCD166175  Plagiobothrys Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR244648  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  CAS-BOT-BC156307  Plagiobothrys Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC166946  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166952  Plagiobothrys Peter Rubtzoff 1969-6-15 6090 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UC730024  Plagiobothrys Leo F. Koch 1940-4-24 846 Sonoma just n Warfield Station Comment
  UCD33098  Plagiobothrys bracteatus Beecher Crampton 1966-5-10 7729 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  POM118682  Plagiobothrys nothofulvus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  RSA783723  Plagiobothrys stipitatus var. stipitatus Peter Rubtzoff 1969-5-11 6030 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  RSA783722  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC376290  Plantago Greg de Nevers 1992-6-16 10172 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 304 Comment
  JEPS128243  Plantago erecta Roger Raiche 2000-5-4 070 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET7067234  Plantago erecta A. G. Vestal 1947-5-12 s.n. Sonoma About 1 miles east of Occidental on the Occidental Road and near Taddeuci. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  SD88561  Plantago erecta Darley F. Howe 1972-5-3 4819 Sonoma Ocean bluff, 4.0 miles north of Ft. Ross. Comment
  UCSB50226  Plantago erecta Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6N R11W 15 Comment
  UCD124576  Plantago lanceolata Chris Bowen 1974-4-7 s.n. Sonoma South of Whalers' Reach and west of Sea Gate Road, Sea Ranch, near State Highway 1. 30 Comment
  UC855269  Platystemon californicus Alice Eastwood 1921-4-24 10342 Sonoma Santa Rosa Comment
  RSA51320  Platystemon californicus var. californicus Peter H. Raven 1950-4-6 1572 Sonoma Cotati to Santa Rosa. 30 Comment
  UC766307  Plectritis brachystemon R. F. Hoover 1941-5-14 5082 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  POM59703  Plectritis congesta subsp. nitida A. A. Heller 1903-4-23 6603 Sonoma Fort Ross. From type locality. Comment
  JEPS113047  Pleuropogon californicus Dean W. Taylor 1994-5-4 14200 Sonoma Santa Rosa Plain; north of Todd Road 0.5 mi W of junction with Llano Road (ca. 5 air mi SW Santa Rosa) 24 Comment
  SJSU5733  Pleuropogon californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  UC1258209  Pleuropogon californicus Paul But with Raymond Auyeung 1975-5-17 P 40 Sonoma 2 mi ne of Sebastopol (1/4 mi from Hwy 12, on Llano Road) Comment
  UCD90156  Pleuropogon californicus G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12032 Sonoma Lagunda de Santa Rosa. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  UCR111257  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  CAS-BOT-BC260924  Pleuropogon californicus Barbara Keller 1990-4-30 2012 Sonoma Coleman Valley Road 6 miles west of Occidental Comment
  UCD90168  Pleuropogon californicus David L. Morgan 1956-5-12 s.n. Sonoma on Watmaugh Rd., 1/2 mile west of the junction of Arnold Dr. Comment
  CAS-BOT-BC260984  Pleuropogon californicus var. californicus Peter H. Raven 1963-4-28 18252 Sonoma 4.7 miles south of El Verano on Arnold Drive Comment
  RSA155469  Pleuropogon californicus var. californicus L. S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa, half mile east of Cunningham. 15 Comment
  RSA176931  Pleuropogon californicus var. californicus P. H. Raven 1963-4-28 18252 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  RSA73965  Pleuropogon californicus var. californicus Milo S. Baker 1952-4-20 12402 Sonoma Western outskirts of Sonoma, along 5th street. Comment
  HREC248 Image available Pleuropogon hooverianus Chuck Williams 1998-5-21 2162 Sonoma Hopland Field Station: 4100 Pressley Rd. Comment
  CAS-BOT-BC173704  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC255602  Poa annua Peter Rubtzoff 1953-5-16 1361 Sonoma Vacation Beach, near Guerneville, Banks of Russian River Comment
  CAS-BOT-BC255606  Poa annua Greg de Nevers 1981-4-2 612 Sonoma Pepperwood Ranch. Horse Hill mesa Comment
  UCD55143  Poa annua Ellen Dean; Tammie Beyerl 2006-4-28 3025 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  CAS-BOT-BC255601  Poa annua Mary P. Wells 1981-4-18 s.n. Sonoma Community garden, The Sea Ranch Comment
  UCD90529  Poa kelloggii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC255839  Poa kelloggii Mary P. Wells 1981-4-18 s.n. Sonoma Near So. Fork Gualala River, The Sea Ranch Comment
  CAS-BOT-BC256029  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UCR248953  Poa pratensis Peter Rubtzoff 1976-6-18 8650 Sonoma Kenwood Marsh 120 Comment
  UCD91719  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma SW of Cotati. Comment
  UCD92089  Poa secunda subsp. secunda L. Whitney 1935-3-16 s.n. Sonoma Near Occidental. Comment
  CAS-BOT-BC244199  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncans Mills Marsh, edge of the lower portion of the marsh Comment
  RSA227197  Poa trivialis Peter Rubtzoff 1955-7-17 1972 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC244259  Poa unilateralis A. A. Heller 1902-4-11 5279 Sonoma Bodega Bay Comment
  UC463110  Poa unilateralis Milo S. Baker 1931-4-18 5390 Sonoma Bodega Bay Comment
  UCD92135  Poa unilateralis Beecher Crampton 1971-6-6 8719 Sonoma Sonoma Coast State Park at Carmet. Comment
  SEINET10659519  Poa unilateralis A. Arthur Heller Heller 5279 Sonoma Bodega Bay. Comment
  POM233136  Pogogyne douglasii subsp. parviflora Lyman Benson 1930-6-18 2164 Sonoma South of Santa Rosa. 61 Comment
  RSA244745  Pogogyne douglasii subsp. parviflora Peter Rubtzoff 1971-6-23 6549 Sonoma 4.25 miles west of Glen Ellen Comment
  CDA40764  Pogogyne serpylloides subsp. intermedia Peter Rubtzoff 1963-6-22 5193 Sonoma Ca. 0.5 mile east of Bennett Mtn. Lake. 0 Comment
  JEPS43013  Polygala californica Elizabeth Ferguson 236 Sonoma between Guerneville and Monte Rio; Russian River Comment
  RSA178014  Polygala californica Robert F. Thorne 1965-4-20 34338 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  SEINET12205240  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -162 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  SEINET5845267  Polygala californica J. Grimes 1981-5-22 1991 Sonoma Dry Creek Road at intersection with Skaggs Springs-Stewarts Point road above Warm Springs Dam west of Geyserville Comment
  CAS-BOT-BC164401  Polygonum Peter Rubtzoff 1970-5-30 6241 Sonoma 5 mi. north of Sears Point Comment
  POM161244  Polygonum amphibium var. stipulaceum R. C. Bacigalupi 1958-6-18 s.n. Sonoma Beach at mouth of Salmon Creek, 2 miles N of Godega Bay 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-BC414119  Polygonum aviculare subsp. aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  UCD148369  Polygonum aviculare subsp. depressum Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh. Comment
  UCD99974  Polygonum aviculare subsp. depressum Frederica Bowcutt 1996-5-18 2120 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 about 1/2 air mile NNW of Bald Mtn. 396 Comment
  CAS-BOT-BC414335  Polygonum aviculare subsp. rurivagum John Thomas Howell 1932-9-18 10780 Sonoma Near Kenwood Comment
  CLARK-A1528-5207  Polygonum convolvulus John C. Roos 1959-7-30 Sonoma Healdsburg Garden Comment
  UC1446029  Polypodium Ed Lee 1978-12-2 4775 Sonoma e Santa Rosa (Annadel State Park, Spring Creek Trail, ca. 50 m s of Canyon Trail jct.); Annadel State Park Comment
  UC71487  Polypodium Bioletti 1894-1 Sonoma Kenwood Comment
  CAS-BOT-BC72013  Polypodium californicum Margot Lowry 1983-5-1 42 Sonoma Ca. one mile from top of Sonoma Mtn. Rd. on Sonoma Mtn., along roadside 500 Comment
  HSC34928  Polypodium glycyrrhiza Thomas W. Nelson, James Nelson 1975-3-25 1762 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  SBBG56223  Polypodium scouleri J. T. Howell 1930-7-27 5393 Sonoma cyn 1 mi N of Fort Ross Comment
  CAS-BOT-BC232938  Polypogon Peter Rubtzoff 1986-7-13 9724 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  UCD51645  Polypogon interruptus Beecher Crampton 1964-8-18 7142 Sonoma The Geysers, Geyser Creek. Comment
  CAS-BOT-BC237415  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Road to Bodega Point Comment
  RSA93467  Polypogon monspeliensis Milo S. Baker 12390 Sonoma Near creek west of Petrified Forest at Shale Quarry. Comment
  SEINET10593633  Polypogon monspeliensis A. Arthur Heller 1902-4-23 Heller s.n. Sonoma Near Sonoma Comment
  UC42098  Polystichum californicum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  UCD168040  Polystichum californicum James A. Neilson Jr. 1981-3-13 3993 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. 3/4 NE of confluence of Hummingbird Creek and Squaw Creek. (Newspaper lists S/2 NW/4 Sect. 34 T12 R9 while Notebook lists NE/4 SE/4 Sec. 33 T12 R9. Georeferenced to newspaper location information. Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC72168  Polystichum californicum Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 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
  UC1041134  Polystichum munitum J. W. Congdon 1892-5-29 Sonoma Cazadero Comment
  UCR222555  Polystichum munitum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16243 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  RSA12253  Polystichum munitum C. B. Wolf 1934-6-29 5798 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  CAS-BOT-BC452161  Potamogeton diversifolius Peter Rubtzoff 1961-7-22 4668 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC452162  Potamogeton diversifolius Peter Rubtzoff 1962-6-8 4877 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC267141  Potamogeton foliosus 1877-6-17 s.n. Sonoma Russian River, Guerneville Comment
  CAS-BOT-BC268095  Potamogeton nodosus Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  UCR244637  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  CAS-BOT-BC453901  Potamogeton nodosus M. S. Baker 1900-8-1 s.n. Sonoma Mark West Creek near Saguna. Comment
  UCD165770  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC454079  Potamogeton pusillus subsp. pusillus M. S. Baker 1899-6-28 s.n. Sonoma Russian River near mouth Comment
  SD39940  Potentilla anserina Edith A. Purer 1932-7-24 4071 Sonoma Near Bodega Bay, established dunes Comment
  JEPS46068  Potentilla anserina subsp. pacifica Eleanor Armstrong May 1932 517 Sonoma Sorrenti Ranch near Camp Meeker, Sorrenti Ranch 106 Comment
  RSA0084031  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fenced area (Camp Ground) ca 1.5 mi west of town of Cunningham, S.[?] Sonoma Co. on ranch owned by Mr. Uoit[?]. Comment
  CAS-BOT-BC516398  Prosartes hookeri Volney Rattan 1877-6-25 s.n. Sonoma Near Cloverdale Comment
  UCD139804  Prosartes hookeri R. H. Miller 1949-4-6 23 Sonoma 5 miles southeast of Monte Rio, beside on Highway 12. Comment
  UC1288497  Prunella Andrew P. Nelson 1960-8-3 646 C Sonoma Pitkin Marsh Comment
  UCD125332  Prunella vulgaris A. A. Heller 1902-6-7 5658 Sonoma Santa Rosa. Comment
  CAS-BOT-BC159844  Prunus cerasifera Greg de Nevers 2002-3-12 12648 Sonoma Bouverie Audubon Preserve, Highway 12, Glen Ellen Comment
  RSA0045172  Prunus virginiana var. demissa Greg de Nevers 1998-6-2 11267 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road at Bordjeiffs. 100 Comment
  CAS-BOT-BC356500  Pseudognaphalium beneolens Walter Knight; Irja Knight 1985-9-23 5179 Sonoma Lower Tubbs Island. 1/4 mile from San Pablo Bay 0 Comment
  UCD165870  Pseudognaphalium luteoalbum Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC361616  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  UC75921  Pseudognaphalium thermale Miss M. Alice King 1896-9-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC80179  Pseudotsuga menziesii Irja Knight; Walter Knight 1963-12-27 464 Sonoma Pine Flat Rd., Circle 8 Ranch Comment
  UCR2993  Pseudotsuga menziesii Wm. Horn Jr. 1963-4-10 630410- 2 Sonoma San Francisco Bay, 0.5 mi N on Jonive Rd. at a point 5 mi west of Sebastopol on Bodega Highway Comment
  OBI35892  Pseudotsuga menziesii var. menziesii David J. Keil 1983-6-29 17207 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  UC767087  Pseudotsuga menziesii var. menziesii Robert F. Hoover 1941-6-7 5318 Sonoma 2 mi se Camp Meeker (on road to Camp Meeker) Comment
  UCD135120  Pseudotsuga menziesii var. menziesii Mary M. Hektner 1974-7-10 143 Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC176177  Psilocarphus Peter Rubtzoff 1970-5-30 6250 Sonoma 5 miles north of Sears Point. Comment
  UCD166218  Psilocarphus Peter Rubtzoff 1970-5-30 6249 Sonoma 5 miles north of Sear Point. Comment
  UCD137795  Pteridium aquilinum var. pubescens Ivette Loredo-Prendeville; Nicole Canon 1993-4-4 59 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. 195 Comment
  SEINET11910565  Pyracantha crenulata W. Knight, Knight, E.; Howell, J. T. 1984-1 5073 Sonoma Arnold Dr across from Tenelec near El Verano Comment
  UC1333290  Pyrola picta Malcolm L. Byce 1936-5-18 615 Sonoma 3 1/2 mi w of Cazadero (Ward Creek); Ward Creek Comment
  CAS-BOT-BC466155  Pyrola picta Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC36524  Quercus Edw. L. Greene 1895-3-31 s.n. Sonoma Hills of Sonoma County Comment
  CAS-BOT-BC94702  Quercus X howellii D. E. Breedlove 1980-6-27 44759 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC61628  Quercus agrifolia G. DeNevers 1981-4-4 663 Sonoma Along ridge N of Garrison Canyon. Pepperwood Ranch Comment
  UCD67049  Quercus agrifolia G. F. Hrusa; R. Gross 1996-3-31 12741 Sonoma Near residences of Foote Ranch, NE corner of Hwy. 128 and Ida Clayton Rd. Approx. 10 m. N of Calistoga. 110 Comment
  SEINET12029926  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 5080 Sonoma 0.4mi up Cavedale Rd from Hwy-12 91 Comment
  SEINET12030241  Quercus agrifolia W. Knight, Knight, I. 1984-1 5159 Sonoma Jrost Ranch,Calistoga Road Comment
  UCD45376  Quercus chrysolepis M. Wiesendanger 1927-5-5 730 Sonoma Maul Oak. Canyon Oak. Kenwood Springs. Comment
  CAS-BOT-BC94153  Quercus durata D. E. Breedlove 1962-6-6 2904 Sonoma on State Highway 128, 4.0 miles NW of U.S. Highway 101 at Cloverdale 289 Comment
  CDA21883  Quercus durata D. G. Kelch 2006-10-4 6 .499 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  UCD101295  Quercus durata Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 970 Comment
  UCD45982  Quercus durata Jennifer Bury; Peggy Herzog 1993-5-8 256 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. 379 Comment
  SEINET12030395  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5101 Sonoma 3.1 mi up Cavedale Rd from jct of State Rt #12 Comment
  CAS-BOT-BC94672  Quercus garryana Alice Eastwood 1921-4-24 10388 Sonoma Santa Rosa Comment
  UC1196518  Quercus garryana Joseph P. Tracy 1930-11-30 9270 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  CDA21150  Quercus garryana var. garryana G. F. Hrusa, G. L. Stebbins 1993-10-3 11463 Sonoma Sugarloaf Ridge State Park; Nr. summit of Bald Mountain. 731 Comment
  CAS-BOT-BC105478  Quercus kelloggii Walter Knight; Irja Knight 1964-11-15 780 Sonoma near new Johnson residence on Hood's Peak Comment
  UC478894  Quercus kelloggii Marcus E. Jones, A. M. 1931-7-5 28847 Sonoma The Geysers Comment
  UCD46673  Quercus kelloggii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 73 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. Beginning on Hillside Trail. 381 Comment
  UCD46723  Quercus kelloggii G. F. Hrusa; R. Gross 1996-3-8 12651 Sonoma At NE edge of Douglas-Fir forest near intersection of Ida Clayton Rd. and Hwy 128. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. 150 Comment
  RSA63328  Quercus kelloggii Milo S. Baker 1950-04 12162 Sonoma Montgomery Drive on bank of Santa Rosa Creek. Comment
  UC1193239  Quercus lobata R. H. Neuns 1950-5-8 107 Sonoma 8 mi e Geyserville 579 Comment
  SJSU10147  Quercus lobata A. W. Jacobs 1939-8-21 Sonoma Russian R near Hilton Comment
  UCD162763  Quercus wislizeni Dylan O. Burge 2014-6-5 1642 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  UC485122  Ranunculus aquatilis var. capillaceus Franklin P. Nutting Aug 1920 Sonoma Taylor Creek Comment
  UC827655  Ranunculus californicus A. A. Heller 1938-5-14 15082 Sonoma bluff n Bodega Bay Comment
  UCD123944  Ranunculus californicus Caitlin Lewis; William Mutch 1993-4-17 6 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain. 1 mile. Near visitor center. 365 Comment
  SD88412  Ranunculus californicus var. californicus Darley F. Howe 1972-4-28 4818 Sonoma Trinity Road, Mt. Hood Range 121 Comment
  CAS-BOT-BC378685  Ranunculus californicus var. californicus Mrs. H. C. Cantelow 1940-4-20 4250 Sonoma about 0.67 mi north of Bay Highway 1 Comment
  UCD151167  Ranunculus occidentalis var. occidentalis James A. Neilson Jr. 1974-3-27 3012 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  SBBG53137  Ranunculus occidentalis var. occidentalis M. R. Benedict 1978-4-18 Sonoma Hwy 128 ca. 5 mi W of Calistoga Comment
  UC765741  Ranunculus orthorhynchus var. bloomeri R. F. Hoover 1939-4-18 4048 Sonoma Los Guilicos Valley Comment
  POM282757  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 2512 Sonoma roadside ditch, Knight's Valley Comment
  UC639127  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma near Wright School (on hwy between Santa Rosa and Sebastopol, edge of vernal pool) Comment
  RSA534578  Ranunculus pusillus Peter Rubtzoff 1969-5-24 6063 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  UCD115233  Raphanus sativus M. Wiesendanger 1927-5-5 716 Sonoma Sonoma County. Comment
  UC73371  Rhamnus crocea Milo S. Baker 1898-4-23 26 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC53744  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  CAS-BOT-BC53745  Rhododendron columbianum Lewis S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hill Road, 10 mi. w. of Santa Rosa 30 Comment
  CAS-BOT-BC56599  Rhododendron macrophyllum Mary P. Wells 1983-8-3 162 Sonoma Pygmy Forest, Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC227427  Rhododendron occidentale G. F. Hrusa 1988-4-22 5567 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  CAS-BOT-BC56662  Rhododendron occidentale Greg de Nevers 1996-5-31 10822 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. on Oak Hill Ranch 487 Comment
  UCR23636  Rhododendron occidentale John C. Roos 1957-7-2 6645 Sonoma Miller Ridge Comment
  UCD117949  Rhododendron occidentale George F. Hrusa 1989-5-8 7008 Sonoma At headwaters of Nathanson Creek directly E of town of Sonoma. 390 Comment
  CAS-BOT-BC200341  Rhododendron occidentale var. occidentale Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC200342  Rhododendron occidentale var. occidentale Peter Rubtzoff 1955-5-21 1856 Sonoma Forestville Marsh. North facing slope bordering the Marsh in the south Comment
  CAS-BOT-BC200346  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh Comment
  CDA32770  Rhododendron occidentale var. occidentale G. F. Hrusa, T. D. Wilfred 1992-5-26 9488 Sonoma Outer North Coast Ranges; Kortum Canyon Rd., near its intersection with Hwy 29 in town of Calistoga. 121 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
  CDA38887  Rhododendron occidentale var. occidentale T. C. Fuller 1958-5-24 3987 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA0037117  Rhododendron sonomense G. Fred Hrusa 1989-5-8 6097 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CAS-BOT-BC111907  Rhynchospora capitellata John Thomas Howell; J. W. Stacey 1936-7-26 12677 Sonoma Pitkin Marsh; 5 miles north of Sebastopol. Comment
  CAS-BOT-BC111925  Rhynchospora recognita John Thomas Howell 1946-8-17 22863 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC93052  Ribes californicum var. californicum A. A. Heller; H. E. Brown 1902-3-10 5012 Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC93058  Ribes californicum var. californicum Elmer I. Applegate 1932-3-19 7018 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC168993  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1952-3-23 899 Sonoma Damp area north of the Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC212923  Ribes menziesii Peter Rubtzoff 1969-8-14 6124 Sonoma Salmon Creek Road, 3.75 miles west of Bodega (town), in vicinity of Coleman Valley Creek Comment
  UC75450  Ribes menziesii Milo S. Baker 1898-4-5 Sonoma between Sea View and Stewarts Point (Coast Road) Comment
  UC754295  Ribes roezlii var. cruentum R. Bacigalupi 1948-3-6 2857 Sonoma on road from The Geyers to Geyserville; Mayacamas Range Comment
  CAS-BOT-BC168765  Ribes victoris A. A. Heller 1902-6-26 5773 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC362937  Rigiopappus leptocladus Alice Eastwood 1915-6-5 4587 Sonoma Petrified Forest Comment
  CAS-BOT-BC74695  Rorippa curvisiliqua Peter Rubtzoff 1956-9-21 2936 Sonoma Vacation Beach, near Guernville. On Russian River bottom. Comment
  CAS-BOT-BC74696  Rorippa curvisiliqua Peter Rubtzoff 1958-5-17 3662 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC74707  Rorippa curvisiliqua Peter Rubtzoff 1965-8-16 5594 A Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74710  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74721  Rorippa curvisiliqua John Thomas Howell 1947-6-26 23303 Sonoma Cunningham Marsh. Comment
  UCR254884  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1973-8-25 7259 Sonoma Willow Creek Marsh 9 Comment
  UCR254919  Rosa Greg de Nevers 1989-1 9071 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC152673  Rosa californica L. R. Abrams 1916-7-4 5782 Sonoma Road between Petrified Forest and Mark West Co. Comment
  RSA800130  Rosa canina Peter Rubtzoff 1976-5-30 8565 Sonoma Kenwood Marsh Comment
  JEPS45673  Rosa gymnocarpa W. L. Jepson 1923-6-28 10013 Sonoma Kenwood Sonoma Canyon 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
  CAS-BOT-BC262828  Rubus Peter Rubtzoff 1964-5-20 5306 Sonoma Brooks Gulch Marsh. Comment
  UCD166345  Rubus Peter Rubtzoff 1953-5-16 1354 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC147993  Rubus leucodermis Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  UCR47956  Rubus spectabilis var. franciscanus D. Neubacher 1975-5-11 17 Sonoma Duncan Mills Campground in Duncan Mills Comment
  CAS-BOT-BC157184  Rubus ursinus John H. Thomas 1976-6-15 18267 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC666157 Image available Rubus ursinus S. W. Brown 1942-5-10 42004 Sonoma 2 mi n Ft. Ross State Historic Monument; Ft. Ross Comment
  UCD166411  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  UCD114012  Rubus ursinus Loredo-Prendeville; Canon 1993-4-24 77 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. 381 Comment
  CAS-BOT-BC164402  Rumex Peter Rubtzoff 1959-6-20 4169 Sonoma Willow Creek Marsh. Comment
  UCD101097  Rumex conglomeratus Mary M. Hektner; Cathy Hendel 1974-7-25 170 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC433410  Rumex crispus Mary P. Wells 1984-5-30 317 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  UCD148318  Rumex crispus Peter Rubtzoff 1954-6-6 1465 Sonoma Guerneville Marsh. Comment
  UCR244737  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  CAS-BOT-BC433741  Rumex occidentalis Mary P. Wells 1987-2-28 846 Sonoma Within the fork in the north creek south of Pacific Reach. The Seaside Meadow of The Sea Ranch. Comment
  CAS-BOT-BC433742  Rumex occidentalis Mary P. Wells 1987-7-23 900 Sonoma Within fork of north creek south of Pacific Reach. The Sea Ranch. Comment
  CAS-BOT-BC433849  Rumex pulcher F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -155 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US hwy 101 on Geysers Road. 80 Comment
  UCD108457  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  UC569  Sagittaria cuneata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC445691  Sagittaria cuneata Peter Rubtzoff 1955-7-30 1993 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445692  Sagittaria cuneata Peter Rubtzoff 1955-7-16 1965 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445696  Sagittaria cuneata Peter Rubtzoff 1971-7-9 6594 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC445771  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  UC728605  Sagittaria latifolia Milo S. Baker 1945-7-18 11119 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC445772  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC445776  Sagittaria latifolia Peter Rubtzoff 1963-10-9 5296 Sonoma Laguna de Santa Rosa east of Graton. Comment
  UCD99149  Salicornia pacifica D. Sanchez-Mata; M. G. Barbour 1996-4-12 s.n. Sonoma S. Pablo Bay. S. Pablo National Wildlife Refuge. 5 Comment
  CAS-BOT-BC290682  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC290711  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh. Comment
  UCR249034  Salix Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh 71 Comment
  UCR249074  Salix Peter Rubtzoff 1971-9-1 6679 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  RSA0037216  Salix Peter Rubtzoff, James E. Eckenwalder 1974-4-6 7353 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC103074  Salix bonplandiana A. A. Heller 1902-4-23 5348 Sonoma Near Sonoma Comment
  CAS-BOT-BC102863  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma slopes of Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC103946  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC103841  Salix exigua subsp. melanopsis Peter Rubtzoff 1957-5-26 3372 Sonoma Vacation Beach, near Guerneville; bank of Russian River Comment
  CAS-BOT-BC103842  Salix exigua subsp. melanopsis Peter Rubtzoff 1952-6-15 1266 Sonoma Fitch Mtn., near Healdsburg. Bank of Russian River Comment
  UC1134887  Salix exigua var. hindsiana H. S. Yates 1934-4-21 3818 Sonoma near Monte Rio; Duncan Mills Quadrangle Comment
  CAS-BOT-BC107799  Salix hindsiana Ball; Bracelin; Parks 1931-4-21 38 Sonoma Mayacama Creek, 25 km. northwest of Calistoga, in ravine above creek Comment
  CAS-BOT-BC106847  Salix hookeriana Mary P. Wells 1981-4-18 s.n. Sonoma Draw, Unit 24, The Sea Ranch Comment
  HSC19976  Salix laevigata P. J. Zinke 1950-4-25 119 Sonoma Russian River at Cloverdale 152 Comment
  RSA90541  Salix laevigata Milo S. Baker 1930-04 3945 Sonoma S.R. Creek 1 mile E of S.R. on Sonoma Hwy. Comment
  CAS-BOT-BC128058  Salix lasiandra var. lasiandra Peter Rubtzoff; Theodore J. Crovello 1964-9-3 5494 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC128099  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma Pitkin Marsh, near Forestville, opening south of the Upper Marsh Comment
  RSA534506  Salix lasiolepis Peter Rubtzoff, T. J. Crovello 1964-9-3 5497 Sonoma Brooks Gulch Marsh. Comment
  UC453088  Salix lasiolepis W. A. Setchell 1931-7-25 8 Sonoma lower bank of Russian at Bohemian Grove (near Monte Rio) Comment
  CAS-BOT-BC128315  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 1 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC128250  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of Upper Marsh in and open damp area - Pitkind Marsh, near Forestville Comment
  CAS-BOT-BC126178  Salix scouleriana Mary P. Wells 1987-3-25 872 Sonoma By bridge over southern creek (north of end of Wild Moor Reach), The Sea Ranch Comment
  CAS-BOT-BC126191  Salix scouleriana W. A. Setchell 1934-7-10 3 a Sonoma Coast Highway, north of Fort Ross Comment
  CAS-BOT-BC126192  Salix scouleriana Ynes Mexia 1933-2-18 s.n. Sonoma Four miles south of Camp Meeker Comment
  CAS-BOT-BC126196  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 342 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  CAS-BOT-BC126200  Salix scouleriana Milo S. Baker 1933-1-1 s.n. Sonoma Along Santa Rosa-Bodega Highway, at O'Farrell Hill, 3 miles west of Sebastopol Comment
  LA208907  Salix scouleriana W. A. Setchell; 1934-7-10 6 Sonoma Coast Hwy, N of Fort Ross Comment
  RSA13573  Salix scouleriana W. A. Setchell 1934-7-10 9 Sonoma Ridge Highway. Above Fort Ross. Comment
  SBBG27421  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 342 Sonoma 2 km E of Occidental, on Occidental grade Comment
  SBBG57984  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 342 Sonoma 2 km E of Occidental, on Occidental grade Comment
  SJSU192  Salix scouleriana Baker, Ball, Bracelin & Crum 1931-5-9 342 Sonoma 2 km E of Occidenta on Occidental Grade Comment
  UC453116  Salix scouleriana W. A. Setchell 1931-8-1 29 Sonoma well up Kitchen Creek Bohemian Grove; Kitchen Creek, Bohemian Grove 60 Comment
  UC482052  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 343 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  UC511619  Salix scouleriana W. A. Setchell 1933-7-9 1 Sonoma well away from Russian R. Bohemian Grove; Monte Rio Comment
  UC524788  Salix scouleriana W. A. Setchell 1934-7-10 6 Sonoma Coast Hwy. n. of Fort Ross Comment
  CAS-BOT-BC128901  Salix sitchensis W. A. Setchell 1934-7-10 7 Sonoma Kru's Ranch, Coast Highway above Fort Ross Comment
  CAS-BOT-BC128902  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128906  Salix sitchensis Ball; Bracelin; Baker; Crum 1931-5-9 344 Sonoma About 2 km. east of Bodega Bay Comment
  CAS-BOT-BC128950  Salix sitchensis W. A. Setchell 1934-7-10 4 Sonoma Kru's Ranch, Coast Highway above Fort Ross Comment
  SD985  Salix sitchensis Baker, Ball, Bracelin, Crum 1931-5-9 344 Sonoma About 2 km east of Bodega Bay, creek bed Comment
  UC1173578  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  UC504049  Salix sitchensis W. A. Setchell 1933-5-6 Sonoma roadside between Monte Rio and Camp Meeker Comment
  CDA31318  Salvia sonomensis D. G. Kelch, Ed Biffin 2010-5-3 10 .09 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SEINET12330321  Salvia sonomensis W. Knight, Edwards, S. 1985-1 5187 Sonoma Ridge NW of summit of Kortum Canyon Road Comment
  CAS-BOT-BC245884  Sambucus nigra subsp. caerulea Peter Rubtzoff 1952-6-9 1185 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  UCD158730  Sambucus nigra subsp. caerulea Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  UCD160126  Sambucus nigra subsp. caerulea James A. Neilson Jr. 1973-6-6 2958 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  POM117336  Sanicula bipinnatifida Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma Comment
  UCR265122  Sanicula bipinnatifida Ann Howald 2015-4-1 3325 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  SEINET7042395  Sanicula bipinnatifida A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC1123191  Sanicula crassicaulis H. S. Yates 1934-4-21 3829 Sonoma 2 mi n of County Farm 243 Comment
  UC1348908  Sanicula crassicaulis Robert F. Thorne 1965-4-20 34325 Sonoma 2 1/2 mi n of Santa Rosa (and 1 mi n of Sonoma County Hospital, Parker Hill Road); Parker Hill Road 106 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
  UCD166486  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  UC1084447  Saxifraga integrifolia G. Thomas Robbins 1940-3-23 305 Sonoma near Wright School (along Sebastopol - Santa Rosa Highway) Comment
  UC1127658  Saxifraga mertensiana E. Armstrong 1934-3-26 907 Sonoma 1 mi nw of Camp Meeker 121 Comment
  UCSB2698  Saxifraga mertensiana Keator, Glenn 1959-4-1 Sonoma 8.1 miles east of Digger Indian Reservation on Stewart Point Geyserville highway Comment
  CAS-BOT-BC111430  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1962-10-1 5114 Sonoma Lower Salmon Creek Marsh in shallow water at the edge of Salmon Creek. Comment
  CAS-BOT-BC111528  Schoenoplectus americanus Peter Rubtzoff 1972-8-26 6861 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC111635  Schoenoplectus californicus Peter Rubtzoff 1967-8-28 5871 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111798  Schoenoplectus pungens var. badius Peter Rubtzoff 1954-7-26 1558 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111800  Schoenoplectus pungens var. badius Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111841  Schoenoplectus tabernaemontani Peter Rubtzoff 1967-9-2 5878 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC111842  Schoenoplectus tabernaemontani Peter Rubtzoff 1955-9-10 2135 Sonoma East Guernewood, near Guerneville. On a Russian River island. Comment
  RSA534611  Schoenoplectus tabernaemontani Peter Rubtzoff 1962-7-4 4970 Sonoma Healdsburg region: Russian River. Fitch Mts. Grove, 2 mi E of Healdsburg. Comment
  CDA19323  Scirpus californicus Vernon June 2001 PDR P 091976 Sonoma North Coast; Riebli Road near Santa Rosa. 0 Comment
  CAS-BOT-BC111104  Scirpus microcarpus LeRoy Abrams 1920-7-3 7612 Sonoma Near Stewarts Point Comment
  CAS-BOT-BC111117  Scirpus microcarpus Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  SEINET12050504  Scoliopus bigelovii F. H. Utech 1988-1 88 -215 Sonoma Salt Point, along CA 1 between Jenner & Stewart's Point, mile marker 38.39 75 Comment
  SEINET12058065  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -011 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  SEINET8408407  Scoliopus bigelovii Frank Callahan, Karen Callahan 1989-5-20 Sonoma off Graton Rd. between Graton and Occidental in Purrington Creek area. Comment
  CAS-BOT-BC320546  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CHSC21969  Scutellaria californica Robert A. Schlising; Lloy Thurman 1962-6-15 2306 Sonoma Dutcher Creek Road, S of Cloverdale and Asti. Comment
  UCD168050  Scutellaria tuberosa James Neilson 1981-7-1 4044 a Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  UC884215  Scutellaria tuberosa John Thomas Howell 1937-4-11 12891 Sonoma e of Glen Ellen (Triniti Mountain); Triniti Mountain Comment
  UCD151310  Senecio aronicoides James A. Neilson Jr. 1974-4-30 2726 Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and coordinates estimated by label maker.) 731 Comment
  CAS-BOT-BC363428  Senecio aronicoides G. DeNevers 1981-4-25 817 Sonoma Pepperwood Ranch. Along Creek that runs past chicken and goat pens, hillside, near main Pepperwood entrance Comment
  UC1223159  Senecio flaccidus var. douglasii Joseph P. Tracy 1946-9-3 17652 Sonoma just s Mendocino County line; Russian River Comment
  UCD148425  Senecio glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  UC1299457  Senecio minimus Freed W. Hoffman 1946-9-1 1236 Sonoma ocean bank Bodega Park; North Coast Ranges, Bodega Park Comment
  UCR279861  Senecio minimus Peter Rubtzoff 1954-8-13 1706 Sonoma Bodega Head Marsh 2 Comment
  UC1084374  Senecio vulgaris G. Thomas Robbins 1937-3-27 47 Sonoma Santa Rosa Comment
  YM-YOSE15455  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles South of Santa Rosa in Bennet Valley Comment
  CHSC107301  Setaria pumila D. G. Kelch; Troy McGregor 2010-8-22 10 .337 Sonoma Geyser Peak Rd. In roadside ditch. 1646 Comment
  CAS-BOT-BC240168  Setaria verticillata Walter Knight; Irja Knight 1963-10-14 413 Sonoma Blomquist Ranch, Penngrove Comment
  UC189198  Sidalcea calycosa J. W. Congdon 1880-5-6 Sonoma Petaluma Comment
  CAS-BOT-BC187888  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-4 569 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  UC1013006  Sidalcea malviflora subsp. purpurea C. L. Hitchcock 1952-6-4 19584 Sonoma one mi n Ft. Ross; n of Ft. Ross Comment
  UC903378  Sidalcea malviflora subsp. purpurea Roxana S. Ferris 1950-5-7 12205 Sonoma State Highway 1 at northern Sonoma County line Comment
  SEINET6947341  Sidalcea malviflora subsp. rostrata W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Southern portion of county, coast, about 1.3 miles north of Salmon Creek. Comment
  CAS-BOT-BC213173  Sidalcea oregana subsp. valida Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7813 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC290626  Sidalcea oregana subsp. valida Peter Rubtzoff; Rimo Bacigalupi 1979-8-6 9305 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
  RSA0020347  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 mi west of its junction with Franz Valley Road. Comment
  UC1541415  Silene californica H. E. and S. T. Parks 1930-5-10 840 Sonoma Knights Valley 152 Comment
  UC1137860  Silene gallica H. S. Yates 1934-4-22 3856 Sonoma 2 mi s Mark West; Calistoga Quad., s of Mark West Comment
  UCR253366  Silene gallica Peter Rubtzoff 1971-7-3 6589 Sonoma Intermittent lake off west side of Hwy 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC392493  Silene gallica G. DeNevers 1981-4-30 891 Sonoma Pepperwood Ranch; W arm of Garrison Canyon, in chaparral. Comment
  CAS-BOT-BC389225  Silene laciniata subsp. californica G. DeNevers 1981-5-23 1255 Sonoma Pepperwood Ranch. Along Franz Valley Road Comment
  CAS-BOT-BC75327  Sisymbrium officinale Clare R. Wheeler 1978-3-30 139 Sonoma Pine Mountain Road, 4 miles northeast of Cloverdale. 548 Comment
  JEPS128208  Sisyrinchium bellum Roger Raiche 2000-4-20 038 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD130399  Sisyrinchium bellum F. Almeda, G. DeNevers 1981-3-30 4885 Sonoma Pepperwood Ranch, summit and east-facing slope of Three Tree Hill. Grassy slopes with scattered oaks. Comment
  UCD138873  Sisyrinchium bellum Valerie Bullock; Waraich and Togioka 1993-5-8 244 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  CAS-BOT-BC164712  Solanum Peter Rubtzoff 1956-9-16 2929 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164711  Solanum umbelliferum Peter Rubtzoff 1960-5-16 4358 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC157536  Solanum umbelliferum P. Rubtzoff 1952-6-9 1195 Sonoma Resort at east slope of Fitch Mtn., nr. Healdsburg Comment
  CAS-BOT-BC344875  Solidago Peter Rubtzoff 1961-9-20 4748 Sonoma Americano Creek, 0.9 miles west of Bloomfield. Open, damp ground. Comment
  RSA0062825  Solidago occidentalis Greg de Nevers 1989-8-28 9096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 100 Comment
  CAS-BOT-BC365260  Solidago velutina subsp. californica Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  UC455799  Solidago velutina subsp. californica I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  CAS-BOT-BC365257  Solidago velutina subsp. californica unspecified 1898-8-1 s.n. Sonoma San Raphael [Rafael] Comment
  CAS-BOT-BC173669  Soliva sessilis Peter Rubtzoff 1955-8-7 2036 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC365957  Soliva sessilis G. DeNevers 1981-4-30 888 Sonoma Pepperwood Ranch. At Pippindale Garden. Also at Garrison House Comment
  CAS-BOT-BC365960  Soliva sessilis Catherine Best 1983-10-12 906 Sonoma In the school yard at Watson School on the Bodega Hwy west of Freestone Comment
  CAS-BOT-BC164385  Sonchus Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC374742  Sonchus oleraceus Walter Knight; Irja Knight 1963-10-3 357 Sonoma Crane Canyon Comment
  RSA41907  Spergula arvensis H. C. Cantelow 1936-1-26 1115 Sonoma Cliffs above Bodega Bay. Comment
  RSA94643  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Open area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville. Comment
  RSA0022422  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing. Comment
  SD39611  Spergularia macrotheca var. macrotheca Edith A. Purer 1932-7-21 4053 Sonoma Bodega Bay. Comment
  UCD99211  Spergularia macrotheca var. macrotheca P. G. Connors 1991-6-17 160 Sonoma Bodega Marine Laboratory. Comment
  CAS-BOT-BC323826  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC390730  Spergularia rubra John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53937 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-BC354328  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Field redacted by CAS, contact the data manager for more information 426 Comment
  CAS-BOT-BC500696  Stachys Peter Rubtzoff 1957-6-28 3392 Sonoma Duncans Mills Marsh Comment
  SEINET13948161 Image available Stachys Joseph Andorfer Ewan 1935-1 9226 Sonoma 1.5 mi W of Bodega on Bodega Bay road Comment
  UCLA71586  Stachys ajugoides var. ajugoides John Thomas Howell 1930-6-8 5228 Sonoma 4 mi e Valley Ford (Bodega Road) Comment
  UC416741  Stachys ajugoides var. rigida Katharine Brandegee Sonoma Bodega Comment
  UC1299470  Stachys albens Freed W. Hoffman 1946-9-26 580 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  HSC14408  Stachys rigida S. N. Wiemeyer 1962-4-20 20 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCR218631  Stellaria media George K. Helmkamp, E. A. Helmkamp 2010-6-4 16216 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  HSC4280  Stellaria media S. N. Wiemeyer 1962-4-20 17 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  RSA800340  Stellaria media Peter Rubtzoff 1958-8-16 3883 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA94647  Stellaria media Peter Rubtzoff 1952-3-23 882 Sonoma Pitkin Marsh: Open area separating the western branch of the Upper Marsh from the eastern. Comment
  SEINET11993690  Streptanthus barbiger Unknown 1984-1 40212 Sonoma 8.6 mi W on Hot Springs Road from its origin at US 01 near Cloverdale, across Dry Creek 198 Comment
  SEINET11993693  Streptanthus barbiger Unknown 1984-1 40221 Sonoma N of Cazadero, The Cedars, Big Austin Creek 427 Comment
  UCD167315  Streptanthus brachiatus James Neilson 1977-6-7 3907 Sonoma Mayacmas Mountains, Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD72523  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma Audubon Mayacamas Mountains Wildlife Refuge, Pine Flat Road, 0.25 mile on left from parking area down unpaved road from gate. 853 Comment
  CAS-BOT-BC61218  Streptanthus brachiatus Lawrence F. LaPre; Kelly Campbell 1987-7-2 s.n. Sonoma Along Cadd Fire Trail near transmission line tower, 1.5 air miles west of Socrates Mine, near Lake County Line. Comment
  UC614606 Image available Streptanthus glandulosus L. Constance 1938-4-24 2155 Sonoma 8 mi s Fort Ross; Russian Gulch; Russian Gulch, 8 mi. S of Fort Ross, Sonoma Co. 121 Comment
  CAS-BOT-BC87235  Streptanthus glandulosus subsp. glandulosus H. N. Bolander 1864-4-1 3944 Sonoma At the Geysers. Comment
  UC72933  Streptanthus glandulosus subsp. glandulosus Milo S. Baker 1898-6-12 646 Sonoma Geyer Road Geyser Canyon Comment
  CAS-BOT-BC87234  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-4 6178 Sonoma Santa Rosa Canyon, north of Mount Hood. Comment
  UC1492782  Streptanthus glandulosus subsp. hoffmanii Freed W. Hoffman 1947-4-10 1056 Sonoma near hot springs; North Coast Ranges, Big Geysers Comment
  CAS-BOT-BC87240  Streptanthus glandulosus subsp. hoffmanii James L. Reveal 1988-6-1 6975 a Sonoma Along Geysers Road, 12.5 miles north of California Highway 128 and 15.5 miles east of US Highway 101. 762 Comment
  UC1492783  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-21 3397 Sonoma Coleman Valley North Coast Ranges Comment
  UC985962  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma Del Preti Hill North Coast Ranges Comment
  CAS-BOT-BC87293  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-1 1135 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  JEPS82296  Streptanthus morrisonii Roger Raiche 1983-7-4 30472 Sonoma above Gilliam Creek; East Austin Creek State Recreational Area, Morrison Ridge 304 Comment
  UC1751202  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1946-8-29 1024 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UC1751203  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-5-30 1030 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  CAS-BOT-BC87489  Streptanthus tortuosus Michener; Bioletti 1893-6-7 s.n. Sonoma Hoods Peak. Comment
  JEPS2877 Image available Streptanthus tortuosus Michener and Bioletti 1893-6-7 Sonoma Hoods Peak; ; Hoods Peak, Sonoma Co. Comment
  UCD138358  Stuckenia pectinata E. D. Mathews 1931-9-8 s.n. Sonoma Exact location unknown. Comment
  CAS-BOT-BC245858  Symphoricarpos Peter Rubtzoff 1974-6-2 7530 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC257970  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma Marsh on River Road, about 3 miles west of Fulton. Comment
  UCD166222  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma Marsh on River Road, about 3 miles west of Fulton. Comment
  CAS-BOT-BC269631  Symphoricarpos albus var. laevigatus Walter Knight; Irja Knight 1963-10-3 355 Sonoma Crane Canyon Comment
  UC463221  Symphyotrichum spathulatum L. R. Abrams 1907-8-1 Sonoma Sebastapol Comment
  JEPS9925  Synthyris reniformis J. Burtt Davy 1896-3-14 1651 Sonoma Cazadero Comment
  UC1146608  Taeniatherum caput-medusae Freed W. Hoffman 1943-6-13 2035 Sonoma Geyser Peak Road to Geysers (North Coast Ranges); North Coast Ranges Comment
  OBI70523  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .288 Sonoma Cavedale Rd 518 Comment
  CAS-BOT-BC371466  Tellima grandiflora Greg de Nevers 1993-5-16 10446 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Franz Creek, E of 3865 Franz Valley Rd 400 Comment
  CAS-BOT-BC447461  Tellima grandiflora Mary P. Wells 1981-4-19 s.n. Sonoma Forest near So. fork Gualala River, The Sea Ranch Comment
  CAS-BOT-BC447462  Tellima grandiflora Lewis S. Rose 1962-4-18 62023 Sonoma 1 mi. nw of firestone 76 Comment
  UC614842  Thysanocarpus curvipes Beryl O. Schreiber 1932-4-3 195 Sonoma road to Petrified Forest Petrified Forest; road to Petrified Forest Comment
  CAS-BOT-BC66811  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  CAS-BOT-BC66820  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-4-14 5287 Sonoma Near Mark West Springs. Comment
  UC11048  Thysanocarpus radians Alice King Apr., 1897 Sonoma Healdsburg Comment
  UCD116048  Thysanocarpus radians M. Wiesendanger 1927-5-5 715 Sonoma Sonoma. Comment
  UCSB11518  Tiarella trifoliata var. unifoliata Dearing, Hugh; Dearing, Margaret 1939-5-15 Sonoma north of Fort Ross Comment
  CAS-BOT-BC376216  Tolpis barbata Greg de Nevers 1995-5-20 10730 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCR265119  Tonella tenella Ann Howald 2015-4-1 3317 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  CDA35358  Toxicodendron diversilobum G. D. Barbe 1974-4-29 1783 Sonoma 1 mile south of Washington School Road on Asti Road, south of Asti. 0 Comment
  UCR265093  Toxicoscordion fontanum Ann Howald, Christina Freeman 2015-4-13 3341 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
  JEPS128209  Toxicoscordion fremontii Roger Raiche 2000-5-5 095 .00 Sonoma The Cedars. Danfield Creek drainage near crest with Pepperwood Creek; topographic peak 2061. Gualala River, Wheatfield Fork watershed. Comment
  UC479126  Trichostema laxum Marcus E. Jones 1931-7-5 28816 Sonoma The Geysers Comment
  SEINET12337136  Trichostema laxum Unknown 1986-1 60286 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 0.5 mi N of Ida Clayton Rd 747 Comment
  SEINET3153534  Trichostema laxum M. S. Baker 1898-6-12 675 Sonoma Geysers Comment
  SEINET6174104 Image available Trientalis europaea var. latifolia Sally Walker 1981-5-25 Sonoma 3 miles west of Occidental Sonoma co. Comment
  SEINET11993489  Trientalis latifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -201 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC173570  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  RSA784986  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166769  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC726770  Trifolium albopurpureum var. dichotomum A. A. Heller 1940-5-6 15590 Sonoma near Petrified Forest (roadside bank) Comment
  CAS-BOT-BC217056  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma Near Petaluma Comment
  UC16413  Trifolium amoenum Harley P. Chandler 1900-5-25 687 Sonoma Bodega Comment
  UC726771  Trifolium amoenum A. A. Heller 1940-5-17 15636 Sonoma 2 mi w Valley Ford (State Hwy 1) Comment
  POM313529  Trifolium barbigerum P. B. Kennedy 1929-5-24 10292 Sonoma Between Sea View and Plantation Comment
  UCD151095  Trifolium bifidum var. decipiens James A. Neilson Jr. 1973-6-3 2989 Sonoma Mayacmas Mountains. The Geysers. Site I. In Geyser Canyon. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UC1299170  Trifolium ciliolatum Freed W. Hoffman 1946-3-6 1858 Sonoma above Quicksilver Mine (near Guerneville); North Coast Ranges Comment
  JEPS2903 Image available Trifolium columbinum var. argillorum W. L. Jepson 1893-5-3 13740 Sonoma Mt. St. Helena grade Napa River Basin; Napa River Basin, Mt. St. Helena grade Comment
  SEINET10895527  Trifolium depauperatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  UC1106199  Trifolium depauperatum var. depauperatum Peter H. Raven 1950-4-6 1607 Sonoma Rincon Ridge Comment
  UCSC010687  Trifolium dichotomum R. Morgan 1995-5-18 2612 Sonoma Serpentine outcrop 4 miles up Coleman Valley Road from Occidental Comment
  UCD165126  Trifolium dubium Peter Rubtzoff 1974-4-17 7374 Sonoma Upper Green Valley Marsh. Comment
  SEINET12147992  Trifolium fucatum Unknown 1936-1 13370 Sonoma Near Healdsburg Comment
  UCD111235  Trifolium incarnatum Allen Hahus 1978-4-22 18 Sonoma 0.25 mile west of Jonive Road on Highway 12. Comment
  UCD111243  Trifolium incarnatum Michael A. Vincent; Ethan H. Freid 1998-4-7 8170 Sonoma Cloverdale. Along S. Cloverdale Blvd., just of Rt. 101 exit. Comment
  UCD111423  Trifolium microcephalum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 63 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. 259 Comment
  CAS-BOT-BC479714  Trifolium striatum Ann Howald 2003-5-15 2337 Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, upper E slope, c. 0.1 mi S of Rodgers Creek 205 Comment
  CAS-BOT-BC361337  Trifolium variegatum Greg de Nevers 1997-4-25 10977 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC474559  Trifolium variegatum Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1 31 Comment
  UC165605  Trifolium willdenovii Milo S. Baker 1898-4 729 Sonoma Santa Rosa Creek canyon Comment
  UCR142042  Trifolium willdenovii Beecher Crampton 1966-5-10 7722 Sonoma North Coast Ranges, about 2 miles west of Fulton along River Road, NW of Santa Rosa 30 Comment
  CAS-BOT-BC451982  Triglochin striata Peter Rubtzoff 1973-9-15 7328 Sonoma Lower Salmon Creek Marsh. Slough just east of Hwy. 1. Comment
  CAS-BOT-BC520850  Trillium albidum Greg de Nevers 1993-4-6 10359 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  SEINET12052826  Trillium albidum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -53 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UC1134687  Trillium albidum E. Armstrong 1934-2-26 945 Sonoma Camp Meeker Sebastopol Quad., Camp Meeker Comment
  UC72282  Trillium albidum Milo S. Baker 1898-3-23 696 Sonoma near Melita Melita Comment
  POM169931  Trillium chloropetalum var. chloropetalum A. A. Heller, H. E. Brown 1902-3-12 3175 Sonoma Sonoma Creek, eastern base of Mt. Hood. 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
  UC730025  Triphysaria eriantha subsp. eriantha Leo F. Koch 1940-4-20 808 Sonoma along Plantation Rd two mi from Highway 1 Comment
  UC1334890  Triphysaria eriantha subsp. rosea L. D. Thurman 1965-5-3 668 Sonoma Horseshoe cove on Bodega Head; Horseshoe cove n Bodega Head Comment
  SD130528  Triphysaria pusilla F. Almeda, G. DeNevers 1981-3-30 4890 Sonoma Pepperwood Ranch, SE facing slopes just west of the Redwood Canyon Comment
  UC1334875  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-24 432 Sonoma on State Highway #128, 15 mi nw Calistoga Comment
  UC27192  Triphysaria versicolor subsp. faucibarbata H. N. Bolander 1860-1 3850 Sonoma Mark West Comment
  UC27201  Triphysaria versicolor subsp. faucibarbata Edw. L. Greene 1892-4-23 Sonoma Knight's Valley Comment
  HSC20863  Triphysaria versicolor subsp. faucibarbata R. F. Good 1962-4-20 25 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes, Sonoma Mtn. Coast Range 0 Comment
  UC584211  Triphysaria versicolor subsp. versicolor David D. Keck and J. Clausen 1935-6-15 3375 Sonoma 3 mi s Russian River mouth (on slopes overlooking the sea) Comment
  CAS-BOT-BC200109  Trisetum canescens John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54007 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  RSA784397  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UC1146669  Trisetum canescens Freed W. Hoffman 1944-5-22 1995 Sonoma near Sonoma Coast (Cruz Ranch); North Coast Ranges Comment
  UCD93590  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma Coast road near Bridgehaven. Comment
  CAS-BOT-BC522363  Triteleia hyacinthina Peter Rubtzoff 1969-5-24 6057 Sonoma Vernal pool area 6.5 miles northeast of Penngrove, on Lichan Road 426 Comment
  POM221986  Triteleia hyacinthina W. C. Merrill 1895-05 s.n. Sonoma Ross Station [or Marin Co.] Comment
  UC421780  Triteleia laxa Milo S. Baker 1898-6-1 590 Sonoma Cemetery Hills Santa Rosa Comment
  CAS-BOT-BC527035  Triteleia laxa Dorothy Scherer 1997-5-6 125 Sonoma Along path heading north off Fort Ross Road, ca. .6 mile west of Seaview Road, Fort Ross State Historic Park 365 Comment
  SEINET7042391  Triteleia laxa A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC463104  Triteleia laxa Milo S. Baker 1923-5-30 5487 Sonoma Cooper Grove Road Comment
  UCSB15936  Triteleia laxa Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  UC1084454  Triteleia peduncularis G. Thomas Robbins 1937-6-5 216 Sonoma ca 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  CAS-BOT-BC527970  Triteleia peduncularis J. W. Congdon 1880-5-30 115 Sonoma Santa Rosa Comment
  POM222729  Triteleia peduncularis J. T. Howell 1935-5-5 12606 Sonoma Low field near Kenwood. Comment
  RSA378054  Triteleia peduncularis J. W. Congdon 1880-5-16 s.n. Sonoma Sting Point? Sebastapol Road. Comment
  CAS-BOT-BC258007  Ulmus Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7854 Sonoma Kenwood Marsh. Comment
  UC1084350  Umbellularia californica G. Thomas Robbins 1937-3-25 5 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  UC1126331  Umbellularia californica C. M. Belshaw 1936-3-7 1551 Sonoma 2 mi s of Occidental 121 Comment
  UC581348  Umbellularia californica W. A. Setchell 1938-2-27 Sonoma Monte Rio 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-BC382823  Uropappus lindleyi K. L. Chambers 1978-4-29 4466 Sonoma Cloverdale to Fort Bragg road (Hwy. 128), 3.8 miles W of junction with Hwy. 101 at Cloverdale Comment
  CAS-BOT-BC403974  Urtica dioica subsp. gracilis Peter Rubtzoff 1954-8-2 1624 Sonoma Duncans Mills Marsh Comment
  UC1010428  Urtica dioica subsp. gracilis Leo Koch 1940-4-16 9544 Sonoma Highway between Salmon Creek and Wright's Beach Comment
  SEINET177097  Urtica dioica subsp. holosericea Marcus E. Jones 1882-7-17 3488 Sonoma Duncan Mills. Comment
  UC848742  Urtica dioica subsp. holosericea Marcus E. Jones, A. M. 1882-7-17 3483 Sonoma Duncan Mills Comment
  UCR105446  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-9-9 7311 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC404229  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-9-13 5503 Sonoma Clear Lake State Park, along Cole Creek Comment
  SBBG50857  Vaccinium ovatum J. C. Lee 1966-4-27 41 Sonoma Hwy 116, 1 mi E of Guerneville 304 Comment
  CAS-BOT-BC76168  Vancouveria planipetala Peter Rubtzoff 1953-5-18 1409 Sonoma South of Guerneville. (Neeley Hill Area). Comment
  RSA121716  Vancouveria planipetala H. S. Yates 1936-5-16 5614 Sonoma 1 mile NW of Mountain View School. 91 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
  UCD166734  Verbascum blattaria Peter Rubtzoff 1955-7-17 1976 Sonoma Guerneville Marsh. Comment
  UC1125682  Verbascum thapsus E. Armstrong 1934-3-26 911 Sonoma 2 mi n Camp Meeker; Sebastopol Quad., n of Camp Meeker 91 Comment
  CAS-BOT-BC251263  Verbena Peter Rubtzoff 1972-7-23 6836 Sonoma Forest Hills-Summerhome Park area, ca. 5 miles east of Guerneville; Terrace Drive, 0.4 miles up from Summerhome Park Road. Comment
  UCD165781  Verbena Peter Rubtzoff 1972-7-23 6836 Sonoma Forest Hills-Summerhome Park area, ca. 5 miles east of Guerneville; Terrace Drive, 0.4 miles up from Summerhome Park Road. Comment
  CAS-BOT-BC164361  Veronica Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC164366  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh. Comment
  UCD148336  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC166807  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC177115  Veronica americana Peter Rubtzoff 1954-8-13 1711 Sonoma Bodega Head Marsh. Comment
  RSA786485  Veronica americana Peter Rubtzoff 1954-8-13 1711 Sonoma Bodega Head Marsh. Comment
  JEPS67156  Veronica anagallis-aquatica Peter Rubtzoff 1971-8-24 6660 Sonoma 3 mi w of Fulton (tributary of Mark West Creek); Mark West Creek Comment
  JEPS81725  Veronica scutellata Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6362 Sonoma n of Sebastopol (at Pitkin Marsh); Vine Hill region, Pitkin Marsh 60 Comment
  UC1101486  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-1 1107 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC257977  Vicia Peter Rubtzoff 1974-5-26 7500 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  RSA655446  Vicia benghalensis Beecher Crampton 1955-4-4 2393 Sonoma Asti Comment
  UCD108794  Vicia lutea Frederica Bowcutt 1994-6-12 1849 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Rd. Trail head for Pony Gate Trail near kiosk and visitor center. 411 Comment
  CHSC33020  Vicia sativa Jane A. Rogers 1979-4-14 5 Sonoma Ca. 50 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
  UC17028  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  UCSC000433  Vicia sativa subsp. nigra John Thomas Howell 1946-3-31 s.n. Sonoma Near Sonoma Comment
  CAS-BOT-BC270247  Viola adunca Ella Dales Cantelow 1939-4-10 4569 Sonoma 2.3 miles S of Stewarts Point Comment
  UC1749429  Viola douglasii Milo S. Baker 1933-3-25 7336 Sonoma 5 mi E Santa Rosa; Melitta Comment
  UC1762374  Viola lobata Freed Hoffman 1951-4-27 3834 Sonoma Mt. St. Helena, along fire road Comment
  CAS-BOT-BC270154  Viola palustris M. S. Baker 1906-5-1 s.n. Sonoma At Kenwood Comment
  CHSC26275  Viola sempervirens P. Kunst 1977-4-12 25 Sonoma Ca. 3 ft to sw of Coleman Valley Rd and 0.8 mi w of Occidental. 207 Comment
  UC1761303  Viola sempervirens Mary Eloise Bauder 1929-6-4 4 Sonoma Pocket Canyon Guerneville Comment
  CAS-BOT-BC135295  Viscum album Arch M. Gilbert 1920-4-1 s.n. Sonoma Sebastopol Comment
  CDA22394  Viscum album G. D. Barbe 1968-1-1 859 Sonoma 7790 Atkinson Road, 1 block east of State Hwy 12, 1.5 miles north of Sebastopol. 0 Comment
  CDA36403  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment
  UC1393644  Viscum album W. J. Ferlatte and William O. McCartney 1970-12-22 1326 Sonoma Sebastopol; 525 Main Street Comment