Search Results — 2000 specimen records retrieved (1287 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SD41414  Abronia latifolia Edith A. Purer 1932-7-24 4089 Sonoma Near Bodega Bay Comment
  CAS-BOT-BC233755  Abronia umbellata Rimo Bacigalupi 1928-6-18 1898 Sonoma Beach at mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  UCR255648  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UCD112508  Acaena pinnatifida var. californica P. G. Connors 1991-6-27 185 Sonoma Bodega Marine Laboratory. Bodega Head and Dunes. Near Horseshoe Cove. Comment
  CAS-BOT-BC332751  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  UC1084436  Acer macrophyllum G. Thomas Robbins 1940-3-21 294 Sonoma along Chalk Hill road ca 5 mi e Windsor; e of Windsor 91 Comment
  CAS-BOT-BC30083  Achillea millefolium J. H. Thomas 1976-6-15 18268 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCSB15937  Achillea millefolium 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  RSA783728  Achyrachaena mollis Peter Rubtzoff 1963-6-18 5180 Sonoma Bennett Mountain Lake. Comment
  SBBG84015  Acmispon brachycarpus L. F. LaPre 1986-5-31 Sonoma Socrates Mine, ca. 9 mi ENE of Geyerville 914 Comment
  UCSB50219  Acmispon strigosus Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  CAS-BOT-BC391712  Actaea rubra Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC29850  Adenocaulon bicolor Rimo Bacigalupi 1926-5-2 1398 Sonoma Cazadero Comment
  UC496395  Adenocaulon bicolor Merle Randall 1930-11-6 Sonoma Cazadero Comment
  CDA346  Adenostoma fasciculatum D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .273 Sonoma Cavedale Rd. Comment
  CAS-BOT-BC65531  Adiantum aleuticum Mary P. Wells 1984-7-21 375 Sonoma The Hot Spot, The Sea Ranch 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
  UCD162160  Adiantum aleuticum D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1514 Sonoma Hooker Creek watershed. 480 Comment
  RSA12257  Adiantum aleuticum C. B. Wolf 1934-6-29 5802 Sonoma 6/10 of a mile inland from Stewart's Point. 61 Comment
  CAS-BOT-BC368067  Aegilops triuncialis Greg de Nevers 1998-5-25 11265 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek 400 Comment
  UCSC005106  Aesculus californica Lulu Waks 2006-10-15 16 Sonoma Bloomfield, Bloomfield Rd. to Sutton St. Private residence on Sutton St. Comment
  CHSC8156  Agoseris apargioides M. Banning 1969-5-10 116 Sonoma 2 mi N. Bodega Bay on Hwy 1, roadside. 30 Comment
  CAS-BOT-BC29571  Agoseris apargioides var. eastwoodiae Alice Eastwood 1915-6-29 4847 Sonoma Bodega Point 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-BC368034  Agoseris grandiflora Greg de Nevers 1998-6-20 11291 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along creek below Rogers Apple Orchard. 400 Comment
  SEINET7067260  Agoseris grandiflora A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC166693  Agrostis Peter Rubtzoff 1973-9-9 s.n. Sonoma Kenwood Marsh, 0.5 mi. S of Kenwood. Comment
  CAS-BOT-BC210001  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca. 1 air mi. WSW of Cunningham Station Comment
  CAS-BOT-BC210013  Agrostis Peter Rubtzoff 1968-6-25 5911 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC210014  Agrostis Peter Rubtzoff 1964-6-3 5342 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC331480  Agrostis Peter Rubtzoff 1970-9-3 6377 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek Crossing. Comment
  CAS-BOT-BC361409  Agrostis Greg de Nevers 1997-5-8 11993 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. On Oak Hill Ranch burned area 457 Comment
  CAS-BOT-BC376232  Agrostis Greg de Nevers 1992-6-26 10210 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  RSA0051268  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  RSA785907  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca 1 air mile WSW of Cunningham Station Comment
  UCD166090  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD92440  Agrostis Beecher Crampton 1955-6-17 2942 Sonoma 4.5 miles S of Cazadero. Comment
  UCR244617  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  SEINET10717804  Agrostis P. Rubtzoff 1967-8-22 Rubtzoff 5857 Sonoma SE of Lower Salmon Creek Marsh. Comment
  SEINET10849962  Agrostis P. Rubtzoff 1967-8-22 Rubtzoff 5855 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UCR152276  Agrostis ampla Beecher Crampton 1959-6-16 5391 Sonoma 2 mi east of Occidental, Jonive School Area Comment
  UC1146693  Agrostis blasdalei Freed W. Hoffman 1943-5-16 2208 Sonoma Death Rock North Coast Ranges, Sonoma Coast, Bodega Park (Bodega Park, Sonoma Coast) Comment
  UCD35514  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma 4.6 miles north of Salmon Creek, Sonoma Coast State Park, Duncan's Point. Comment
  UCD37163  Agrostis blasdalei Beecher Crampton 1957-7-22 4394 Sonoma Sonoma County, 0.25 mile north of Fort Ross, along State Highway 1. Comment
  UCD51841  Agrostis blasdalei Beecher Crampton 1957-7-22 4366 Sonoma above Fisherman's Bay, 0.3 mile south of Stewart's Point. Comment
  UCR119152  Agrostis californica Beecher Crampton 1957-7-11 4344 Sonoma Central Coast, 4.6 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1, Duncan's Point. Sandy slopes above bluffs. 30 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
  UCD37148  Agrostis densiflora Beecher Crampton 1957-7-11 4320 Sonoma Sonoma County, 0.5 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  POM207134  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa Comment
  SEINET7593636 Image available Agrostis exarata A. S. Hitchcock 1908-1 2722 Sonoma Sherwood Comment
  SEINET7593690 Image available Agrostis exarata A. S. Hitchcock 1908-1 2690 Sonoma Willits Comment
  UCD53506  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC139553  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC139554  Agrostis gigantea Peter Rubtzoff 1951-7-1 335 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  UC573811  Agrostis hallii H. S. Yates 1937-6-6 6579 Sonoma 8 mi sw Healdsburg; Healdsburg Quad. 152 Comment
  SEINET7953066 Image available Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen) 189 Comment
  UC1146696  Agrostis microphylla Freed W. Hoffman 1941-6-20 2088 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  CAS-BOT-BC139117  Agrostis oregonensis Peter Rubtzoff 1951-8-5 605 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC138915  Agrostis pallens R. F. Hoover 1965-6-29 9477 Sonoma North of summit on Harrison Grade road near Occidental. Comment
  CAS-BOT-BC138919  Agrostis pallens G. DeNevers 1981-5-30 1402 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill. Comment
  CAS-BOT-BC138921  Agrostis pallens G. DeNevers 1981-5-23 1317 Sonoma Pepperwood Ranch. On ridge top southwest of Garrison House. Comment
  JEPS45797  Agrostis pallens Eleanor Armstrong 1932-6-3 182 Sonoma 2 mi s Occidental 121 Comment
  UC766898  Agrostis pallens Robert F. Hoover 1941-6-7 5315 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC138595  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma county coast, 5 miles south of Stewart Point. Comment
  CAS-BOT-BC176183  Aira caryophyllea Peter Rubtzoff 1974-5-26 7475 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. 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-BC173649  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC445343  Alisma lanceolatum Peter Rubtzoff 1959-9-13 4265 Sonoma Vacation Beach, near (2 mi. below) Guerneville. Comment
  CAS-BOT-BC445344  Alisma lanceolatum Peter Rubtzoff 1956-9-21 2932 Sonoma Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  CAS-BOT-BC462386  Allium amplectens Peter Rubtzoff 1963-6-18 5182 Sonoma Bennett Mtn. Lake; Sonoma County Marshes Comment
  RSA601311  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  SD56754  Allium dichlamydeum Darley F. Howe 1963-7-2 3716 Sonoma 4.2 miles north of junction with #12 on #1. On sea bluff. Comment
  CAS-BOT-BC475455  Allium serra Greg de Nevers 1992-5-19 10153 Sonoma Pepperwood Ranch Natural Preserve 3450 Franz Valley Road 475 Comment
  UCD169968  Allium triquetrum Gary Bjork 2001-4-4 PDR 117291 Sonoma 2474 Copperfield Ct., Santa Rosa. Comment
  CDA19075  Allium triquetrum G. Bjork 2001-4-4 PDR 117291 Sonoma North Coast Ranges; on Copperfield Ct., Santa Rosa. 0 Comment
  CAS-BOT-BC474311  Allium unifolium Peter Rubtzoff 1962-5-30 4852 Sonoma Freestone Marsh Comment
  UCD141805  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma between ditchbank and fence, south side of Petaluma Valley Ford Hwy, 2 miles NW of Two Rock. Comment
  CAS-BOT-BC251182  Alnus Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  RSA800597  Alnus rhombifolia Peter Rubtzoff 1960-9-15 4549 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC169363  Alnus rubra Peter Rubtzoff 1957-6-28 3386 Sonoma Duncans Mills Marsh, upper part of the marsh Comment
  CAS-BOT-BC169364  Alnus rubra Peter Rubtzoff 1959-9-12 4261 Sonoma Willows Creek Marsh, growing along Willow Creek Comment
  CAS-BOT-BC169370  Alnus rubra Mary P. Wells 1984-8-9 448 Sonoma Public path through golf course to the sea, The Sea Ranch Comment
  RSA129282  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5619 Sonoma Near Green Valley school. 91 Comment
  CAS-BOT-BC137905  Alopecurus saccatus Peter Rubtzoff 1968-6-20 5894 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  RSA799979  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 mi west of Bloomfield. Comment
  RSA234563  Amaranthus californicus Peter Rubtzoff 1963-8-24 5240 Sonoma Laguna de Santa Rosa east of Graton Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head 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
  UC891354  Ambrosia psilostachya Milo S. Baker 1932-1-1 6025 Sonoma 3 mi s, towards Napa Sonoma Comment
  UC1127783 Image available Amelanchier utahensis E. Armstrong 1934-3-26 942 Sonoma 3 mi e Camp Meeker; Sebastopol Quad. 91 Comment
  UC58118  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma woods near Cazadero Comment
  RSA264758  Ammi majus Peter Rubtzoff 1975-8-16 8330 Sonoma Bennet Valley Road 1.8 miles east of Yalupa Ave. junction (ca. 4 miles east of Brigham Ave. crossing). Comment
  SEINET3917971  Ammophila arenaria K. Thorne 1984-11-21 3659 Sonoma Sea Ranch, 2.5 mi S of Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  SJSU9477  Amorpha californica W. G. Iltis 1981-5-24 Sonoma Hupel Ranch, Porter Cr Rd near Mark West Rd Comment
  CAS-BOT-BC177225  Amorpha californica var. napensis Rimo Bacigalupi 1927-9-3 1799 Sonoma 2 miles northwest of Cazadero on road to Seaview Comment
  CAS-BOT-BC177229  Amorpha californica var. napensis Peter Rubtzoff 1952-6-10 1228 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC162066  Amphibromus scabrivalvis Greg de Nevers 1996-6-5 10826 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, about 10 miles north of Santa Rosa. In temporary pond on Weimar Flat. 121 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
  UC909757  Amsinckia menziesii var. menziesii Milo S. Baker Apr. 1950 12161 Sonoma Montgomery Drive on old R.R. fill w of Mellita Comment
  SD41476  Anagallis arvensis Edith A. Purer 1932-7-21 4052 Sonoma Bodega Bay, sea bluff Comment
  POM44461  Anagallis arvensis Janet Beckman 1882-7-17 s.n. Sonoma Duncans Wills. Comment
  UCD128838  Anaphalis margaritacea Mary M. Hektner 1976-9-16 270 Sonoma below west half of Yardarm Drive, Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC272873  Ancistrocarphus filagineus Greg de Nevers; Frank Almeda 1987-4-11 8134 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC1011020  Andropogon virginicus var. virginicus Virginia Bufford 1936-9-9 416 Sonoma Pitkin's Marsh; Pitkin's Marsh - Vine Hill District Comment
  UC558472  Andropogon virginicus var. virginicus J. Bufford 1936-9-8 Sonoma Pitkin Marsh; Pitkin Marsh, Vine Hill District Comment
  UCR255042  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC106475  Angelica californica J. W. Congdon June 1880 Sonoma Petaluma Comment
  JEPS40427  Anisocarpus madioides Edw. L. Greene 1894-6-14 Sonoma Knights Valley Comment
  UCD128891  Anisocarpus madioides F. Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1758 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles northwest of Napa, 1.5 air miles northeast of Kenwood. In Adobe Canyon north of Sugarload Ridge along the Goodspeed Trail, 200 yards from the trail head on Adobe Canyon Road and just east of Bear Creek, 5 yards north of confluence with Sonoma Creek. 198 Comment
  CAS-BOT-BC271443  Anisocarpus madioides John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54015 Sonoma Fairfield Osborn Preserve of teh Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD128895  Anisocarpus madioides Gerry North 1993-4 48 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. On Bald Mountain trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  CAS-BOT-BC102234  Anthemis cotula Greg de Nevers 1987-5-11 8175 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UCD148409  Anthemis cotula Peter Rubtzoff 1958-8-9 3834 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCR218639  Anthemis cotula George K. Helmkamp, E. A. Helmkamp 2010-6-4 16219 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC102233  Anthemis cotula Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  UCD129047  Anthemis cotula Frederica Bowcutt 1994-6-24 1890 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  UCD148326  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC137767  Anthoxanthum aristatum G. DeNevers 1981-4-23 1940 A Sonoma Pepperwood Ranch. East of Pippindale Pond. Comment
  UC971675  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma n of Windsor (along Highway 101); Highway 101 Comment
  UCD37345  Anthoxanthum aristatum Beecher Crampton 1959-6-16 5367 Sonoma Sonoma County, 0.2 mile E of Occidental, on Occidental Road. Comment
  UCD56154  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  CAS-BOT-BC280665  Anthoxanthum occidentale John Thomas Howell 1930-7-27 5396 Sonoma 1 mile north of Ft. Ross Comment
  CAS-BOT-BC280669  Anthoxanthum occidentale Peter Rubtzoff 1953-5-17 1377 Sonoma Vacation Beach, near Guerneville Comment
  UCD85350  Anthoxanthum occidentale M. S. Baker; Virginia Bufford 1936-4-1 245 Sonoma Junction Hwy 1 and road up Gualala. Comment
  UCD56240  Anthoxanthum odoratum Chris Bowen 1974-5-18 118 Sonoma near State Highway 1, Sea Ranch, Unit 7 Owners' Map, near Whalers' Reach. Comment
  UCD56277  Anthoxanthum odoratum Beecher Crampton 1957-7-22 4362 Sonoma 8 miles north of Stewart's Point, Bishop Pine grove along State Hwy. 1. Comment
  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
  UC444972  Antirrhinum vexillocalyculatum subsp. breweri Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6010 Sonoma Cazadero Comment
  UC26380  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. Burtt Davy 1894-12-9 867 Sonoma Kenwood Comment
  CDA41216  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum T. C. Fuller 1958-5-24 4015 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  UCD126297  Apiastrum angustifolium Frederica Bowcutt 1996-5-19 2126 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 N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  CAS-BOT-BC394996  Aquilegia formosa A. A. Heller; H. E. Brown 1902-4-11 5274 Sonoma Bodega Bay Comment
  SEINET12093068  Aquilegia formosa F. H. Utech 1986-1 86 -125 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 200 Comment
  RSA0125832  Arabis glabra J. T. Howell 1930-6-8 5291 Sonoma 8.5 miles N of Bodega Bay Comment
  JEPS98814  Arctostaphylos James B. Roof, Walter Knight, Irja Knight 1967-3-19 Sonoma near Pitkin Marsh (Jones Christmas Tree Farm, near Vine Hill Road) Comment
  RSA629212  Arctostaphylos Jon E. Keeley 1993-9-11 24778 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629214  Arctostaphylos Jon E. Keeley 1993-9-11 24789 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1084441  Arctostaphylos G. Thomas Robbins 1940-3-22 301 Sonoma Guerneville Rd ca 8.5 mi w Santa Rosa (in small gully along road); Vine Hill region 45 Comment
  UC1388360  Arctostaphylos X candidissima Freed W. Hoffman 1948-5-10 2677 Sonoma e face North Coast Ranges, Cobb Mt. 1219 Comment
  CAS-BOT-BC24085  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  CHSC67659  Arctostaphylos bakeri James D. Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. 228 Comment
  UC1614274  Arctostaphylos bakeri Charles M. Belshaw 1936-3-7 1556 A Sonoma 2 mi nne of Occidental Comment
  UCD170265  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
  CDA38594  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. Comment
  SDSU1487  Arctostaphylos bakeri subsp. bakeri D. F. Howe 1969-6-8 4635 Sonoma 3.8 miles east of Occidental. 274 Comment
  UCD59423  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1983-9-20 RR 30723 Sonoma Graton Road near intersection with Tanuda Road (east of Occidental). 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
  JEPS38622  Arctostaphylos canescens Willis L. Jepson 1894-7-19 14699 Sonoma Mt. St. Helena Napa River Basin Comment
  RSA622718  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24761 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA44383  Arctostaphylos canescens subsp. canescens L. S. Rose 1949-3-27 49017 Sonoma 3 mi. east of Beltane. 457 Comment
  UC535019  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma n Santa Rosa; Rincon Ridge Comment
  UC424787  Arctostaphylos columbiana Milo S. Baker 1929-7-16 3621 a Sonoma e slope of ridge along hwy Inverness Comment
Read comments
Feb 17 2015
  UC424788  Arctostaphylos columbiana Milo S. Baker 1929-11-16 3728 b Sonoma hwy between Stewart's Point and Fort Ross Comment
  UC549703  Arctostaphylos columbiana J. E. Adams 1934-3-28 744 Sonoma coastal bluff s McNamees Store (nw Sonoma Co.) Comment
  CAS-BOT-BC23648  Arctostaphylos columbiana Mary P. Wells 1985-10-4 668 Sonoma 1 mile south of Gualala River. Comment
  CAS-BOT-BC24997  Arctostaphylos densiflora J. Clausen 1933-3-26 744 Sonoma Vine Hill Schoolhouse, 10 mi. W of Santa Rosa, along road. Comment
  CAS-BOT-BC25020  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  RSA164632  Arctostaphylos densiflora Percy C. Everett 1963-11-21 24564 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  RSA257634  Arctostaphylos densiflora Gary D. Wallace 1975-8-25 1500 Sonoma W of Santa Rosa, E of Forestville between Vine Hill Rd. and Laguna Rd. W of Laguna Swamp, N side of Vine Hill School Rd. W of house at 6166. 30 Comment
  SBBG28870  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma Vine Hill Schoolhouse, 10 mi W of Santa Rosa Comment
  SDSU1493  Arctostaphylos densiflora D. F. Howe 1963-5-22 3523 Sonoma Vine Hill Road, about 10 miles west of Santa Rosa. 152 Comment
  UC549449  Arctostaphylos densiflora J. E. Adams 1934-3-28 715 Sonoma Vine Hill School Sta. Rosa Comment
  UC549451  Arctostaphylos densiflora J. E. Adams 1934-3-28 724 Sonoma Vine Hill School Sta. Rosa Comment
  UC571200  Arctostaphylos densiflora H. L. Mason 1931-3-7 5804 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  SEINET11984897  Arctostaphylos densiflora R. Gankin, Hildreth, W. R. 1967-1 1070 Sonoma along Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11987288  Arctostaphylos densiflora W. Knight, Knight, I.; Sigg, J.; McClintock, E. 1981-1 3998 Sonoma Strybing Arboretum, San Francisco, originally from Vine Hill District Comment
  SEINET11988292  Arctostaphylos densiflora Unknown 1957-1 247 Sonoma Vine Hill School Rd, 0.1 mi E of jct with Vine Hill Rd Comment
  UCD166540  Arctostaphylos glandulosa Dylan O. Burge 2016-2-16 2041 Sonoma Gilfillian Vineyard, roadside on Cavedale Road. 400 Comment
  UCD51092  Arctostaphylos glandulosa Roman Gankin; W. R. Hildreth 1967-10-4 1077 Sonoma South-facing slope; near Rocky Mountain; north of Guerneville. Comment
  SEINET11991023  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1983-1 4700 Sonoma Trinity Grade 270 Comment
  CAS-BOT-BC23279  Arctostaphylos glandulosa subsp. cushingiana H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA631180  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1996-6-22 27487 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  CAS-BOT-BC24721  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5173 Sonoma 7.7 mi. from w. end of Sonoma Lake Bridge on Rockpile Road. Comment
  CAS-BOT-BC24724  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. Hood. Comment
  RSA339411  Arctostaphylos glandulosa subsp. glandulosa Walter Knight, Ijra Knight, Stephen Edwards 1985-1-27 5173 Sonoma 7.7 miles from west end of Sonoma Lake bridge on Rockpile Road Comment
  UC1120213  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1575 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Ricon Ridge Comment
  UC1120216  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1572 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UCD50857  Arctostaphylos hispidula Walter Knight; Irja Knight and Stephen W. Edwards 1985-1-27 5174 Sonoma 7.7 miles from west end of Sonoma Lake bridge on Rockpile Road. Comment
  CDA37441  Arctostaphylos manzanita D. G. Kelch, T. McGregor 2010-8-22 10 .342 Sonoma Geyser Peak Rd. Comment
  RSA633058  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  RSA633062  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 23713 Sonoma Along Calistoga Road, 18 km southwest of Highway 128. 220 Comment
  RSA633064  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24710 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 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
  SEINET11990960  Arctostaphylos manzanita Unknown 1983-1 30499 B Sonoma near entrance to public landfill site, rd to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990971  Arctostaphylos manzanita Unknown 1983-1 30491 C Sonoma near Manning's Flat Campground, Austin Creek State Rec. Area 122 Comment
  SEINET11995488  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. 1987-1 6336 Sonoma Pepperwood, Devil's Kitchen 229 Comment
  SEINET11977792  Arctostaphylos manzanita subsp. bakeri C. M. Belshaw 1936-1 1553 Sonoma 1 mi NE of Occidental 37 Comment
  UC84708  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1902-9-9 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38655  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1937-4-11 12906 Sonoma M.S. Baker's place, sw. slope of Mt. Hood Comment
  CAS-BOT-BC38680  Arctostaphylos manzanita subsp. manzanita Roger Raiche 1983-7-31 30585 Sonoma Austin Creek State Recreation Area, North slope Morrison Ridge, above Thompson Creek. 274 Comment
  CAS-BOT-BC38682  Arctostaphylos manzanita subsp. manzanita Catherine Best 1981-2-15 s.n. Sonoma Trinity Mt. Road between Sonoma and Napa Valleys Comment
  CAS-BOT-BC38695  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4751 Sonoma The Cedars, near Cazadero 274 Comment
  CAS-BOT-BC38713  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1952-3-22 870 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38721  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. hood Comment
  CAS-BOT-BC38724  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1928-4-18 2961 Sonoma Vine Hill Region Comment
  CAS-BOT-BC38745  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1929-2-22 3398 b Sonoma Near Vine Hill school house Comment
  POM131951  Arctostaphylos manzanita subsp. manzanita A. A. Heller, H. E. Brown, A. H. Heller 1902-3-20 10640 Sonoma Near Windsor. Comment
  SBBG28917  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Baker Ranch, Kenwood, Adobe Cyn Comment
  UC1084351  Arctostaphylos manzanita subsp. manzanita G. Thomas Robbins 1937-3-25 7 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  UCD52046  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  UC549423  Arctostaphylos nummularia J. E. Adams 1934-6-9 832 Sonoma near McNamees Store Comment
  SBBG28819  Arctostaphylos patula H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, N of Santa Rosa Comment
  CAS-BOT-BC43873  Arctostaphylos stanfordiana Milo S. Baker 1929-2-9 3386 a Sonoma Rincon Hill Comment
  CAS-BOT-BC47335  Arctostaphylos stanfordiana J. Clausen 1933-3-25 722 Sonoma About 4 mi. e. of Warfield on road to Oakville. 213 Comment
  CAS-BOT-BC47348  Arctostaphylos stanfordiana R. F. Hoover 1963-1-12 8547 Sonoma Cavedale Rd., Hoods Peak Range. Comment
  LA42283  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 11 Sonoma Spring Mountain Road, about 8 mi. E of Santa Rosa Comment
  LA88609  Arctostaphylos stanfordiana Robert F. Thorne; 1965-4-20 34344 Sonoma top of Parker Hill, N end of Parker Hill Rd, ca. 3 mi. N of Santa Rosa 243 Comment
  RSA636806  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24755 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636811  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24753 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636815  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24748 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SD143521  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Road, about 8 mi. E of Santa Rosa Comment
  UCD53847  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 686 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
  UCD53848  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 687 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
  SEINET11989085  Arctostaphylos stanfordiana Unknown 1982-1 20301 F Sonoma King Ridge Rd (4.5 mi N of jct Ft Ross Rd) about 0.7 mi in from King Ridge Rd on Old Layton Mine Rd Comment
  HSC7741  Arctostaphylos viscida P. J. Zinke 1949-6-19 63 Sonoma Divide between Smith and Dry Creek 457 Comment
  SEINET11989677  Arctostaphylos viscida Unknown 1982-1 20656 Sonoma East Austin Creek State Park, nr intersection of Gilliam Creek & Schoolhouse Creek along old mine rd Comment
  UCSB21056  Arctostaphylos viscida McMinn, Howard 1936-4-4 Sonoma 2 miles north of St. Helena Inn near bridge on highway Comment
  CAS-BOT-BC400487  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi. east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road Comment
  CAS-BOT-BC400482  Aristolochia californica Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano. (Southwest of Guernewood Park, across the river from Vacation Beach, acc. to map.) [Locality info from collection label and annotation label combined.] Comment
  RSA262356  Armeria maritima subsp. californica Steven Yoder 1969-5-24 29 Sonoma 1 mile N of Bodega Marine Lab. 9 Comment
  SEINET7253522 Image available Armeria maritima subsp. californica W. L. Jepson 1931-1 15944 Sonoma Salmon Creek Comment
  CDA391  Arnica discoidea D. G. Kelch 2003-7-14 3 .376 Sonoma Cavedale Road. Comment
  CAS-BOT-BC82562  Arnica discoidea Peter Rubtzoff 1951-8-25 669 Sonoma Forested hills southeast of Guerneville Comment
  CAS-BOT-BC172576  Artemisia Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC90098  Artemisia Mary P. Wells 1988-9-7 965 Sonoma Rincon Valley, Santa Rosa Comment
  UCR280151  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh, slope of Green Valley Road 164 Comment
  CAS-BOT-BC90490  Artemisia douglasiana Mary P. Wells 1982-8-21 s.n. Sonoma Gerstle Cove, Salt Point State Park Comment
  UC892496  Artemisia pycnocephala Milo S. Baker 1932-6-10 5878 Sonoma next beach n of Salmon Creek Comment
  RSA12258  Asarum caudatum C. B. Wolf 1934-6-29 s.n. Sonoma 6/10 of a mile inland from Stewart s Point. 61 Comment
  UC449992  Asclepias cordifolia Milo S. Baker 1898-7-12 676 Sonoma Geyser Canyon Comment
  UC22995  Asclepias fascicularis F. T. Bioletti June, 1891 Sonoma Comment
  JEPS15217  Asclepias solanoana Rimo Bacigalupi with G. T. Robbins and Freed Hoffman 1956-5-30 5662 Sonoma near Layton Chromite Mine (headwaters of creek, vicinity of The Cedars); Big Austin Creek 266 Comment
  SEINET11718421  Aspidotis densa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -244 Sonoma end of Stoetz Road 200 Comment
  SACT000181  Aspris capillaris M. Wiesendanger 1927-5-5 Sonoma Comment
  POM58104  Aster lentus Jos Burtt Davy 1897-9-19 s.n. Sonoma Petaluma Marshes, near rail road track Comment
  RSA227214  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1957-6-28 3384 Sonoma Ducans Mills Marsh Comment
  CAS-BOT-BC17428  Athysanus pusillus A. A. Heller; H. E. Brown 1902-3-24 5142 Sonoma Hills East of Santa Rosa. Comment
  UCD114231  Athysanus pusillus Frederica Bowcutt 1996-3-24 2085 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SE of Red Mountain. Along Vista Trail just SW of Headwaters Trailhead. Comment
  RSA0018574  Atriplex Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh. Comment
  UC7079  Atriplex triangularis J. Burtt Davy 1897-9-19 4057 Sonoma Petaluma Comment
  UC7080  Atriplex triangularis Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  CAS-BOT-BC146136  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek. Comment
  SEINET10517569  Avena barbata A. Arthur Heller 1902-3-26 Heller 5157 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  RSA785846  Avena fatua Peter Rubtzoff 1980-5-26 9450 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville. Comment
  CAS-BOT-BC98601  Baccharis douglasii Catherine Best 1983-10-12 904 Sonoma Growing along the creek near Occidental Road at the north edge of Occidental Comment
  UCD148379  Baccharis glutinosa Peter Rubtzoff 1955-9-24 2147 Sonoma Duncans Mills Marsh. Comment
  UC527411  Baccharis pilularis Carl B. Wolf and E. R. Johnson 1934-10-13 Sonoma 2 4/10 mi n of mouth of Russian River 60 Comment
  CAS-BOT-BC99782  Baccharis salicifolia Alice Eastwood 1921-5-8 10464 Sonoma Petaluma Comment
  CAS-BOT-BC173600  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC344920  Barbarea Peter Rubtzoff 1989-6-10 10002 Sonoma Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16692  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  UCD114264  Barbarea orthoceras Frederica Bowcutt; Kate Mawdsley 1996-3-24 2068 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air miles S of Red Mtn, just S of Sonoma Creek. 365 Comment
  UCD77421  Barbarea verna Robert E. Preston 1997-3-21 1020 Sonoma Petaluma, s side of Petaluma River, at railroad bridge 6 Comment
  RSA0022354  Beckmannia Peter Rubtzoff 1970-6-14 6263 Sonoma On River Road about 3 miles W of Fulton. Comment
  CAS-BOT-BC145828  Beckmannia syzigachne Hy Edwards 1877-1-1 s.n. Sonoma Knight's Valley. Comment
  CAS-BOT-BC145836  Beckmannia syzigachne Michener; Bioletti 1893-6-10 114 Sonoma Kenwood. Comment
  CAS-BOT-BC145845  Beckmannia syzigachne Peter Rubtzoff 1961-5-24 4599 Sonoma Upper Stemple Creek Marsh. Comment
  JEPS97716  Beckmannia syzigachne Annetta M. Carter 1934-4-29 508 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  UCR248773  Beckmannia syzigachne Peter Rubtzoff 1970-6-14 6263 Sonoma Marsh on River Road, c. 3 miles west of Fulton 27 Comment
  CAS-BOT-BC290706  Bidens frondosa Peter Rubtzoff 1962-9-16 5090 Sonoma Vacation Beach, 1.5 miles below Guerneville along Russian River. Comment
  RSA0015635  Bidens frondosa Peter Rubtzoff 1958-8-17 3891 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi north of Guerneville Road). Comment
  UCR248952  Bidens laevis Peter Rubtzoff 1967-8-30 5874 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  JEPS83486  Blennosperma bakeri Jack and Betty Guggolz 1986-3-18 857 Sonoma n side of Piner Road, 1 to 1.25 m w of Fulton Rd Comment
  SD51682  Blennosperma bakeri M. S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma in hog wallow about 0.25 mile south of Napa Street, in field on east side of street. Comment
  UC1428029  Blennosperma bakeri Charles F. Quibell with James R. Estes 1974-4-3 1159 Sonoma sw of, near intersection of Llano and Todd Roads Santa Rosa Comment
  OBI48606  Blennosperma nanum Michener and Bioletti, Bioletti April 1893 Sonoma Kenwood Comment
  CAS-BOT-BC105958  Blennosperma nanum var. nanum J. Ed. McClellan; Bonnie McClellan 1975-3-2 s.n. Sonoma Near Summerfiled Road near Bennett Valley, se. of Santa Rosa Comment
  RSA790864  Boisduvalia Peter Rubtzoff 1970-5-30 6247 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC154870  Boisduvalia densiflora Peter Rubtzoff 1968-8-31 5948 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville. Comment
  CAS-BOT-BC154977  Boisduvalia glabella Peter Rubtzoff 1963-7-14 5202 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC28224  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-11 3656 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  UC56354  Bolboschoenus maritimus J. Burtt Davy 1897-9-19 4054 Sonoma Petaluma. Comment
  CAS-BOT-BC31352  Bolboschoenus robustus Herbert L. Mason; Verne Grant 1946-8-28 13076 B Sonoma Mouth of Tolay Creek. Comment
  SEINET11750298  Bolboschoenus robustus W. Knight, Knight, I. 1984-1 5426 Sonoma Willow Creek Rd 61 Comment
  CAS-BOT-BC418503  Boykinia occidentalis Mrs. C. A. Burlingame 1921-6-28 s.n. Sonoma Sonoma Comment
  CAS-BOT-BC418504  Boykinia occidentalis Mary P. Wells 1984-7-20 386 Sonoma The Sea Ranch; Hot spot (i.e., by So Fork Qualala River). 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-BC238186  Brassica napus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, across from entrance to the marine facility, along roadside Comment
  CAS-BOT-BC36619  Brassica nigra Dorothy Scherer 1996-4-19 032 Sonoma East of Highway 1 and south of Fort Ross Creek. Fort Rose State Histroric Park. 51 Comment
  SEINET10480785  Brassica nigra David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20710 Sonoma Collected 5.3 mi e of the jct of hwy 101 and hwy 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  CAS-BOT-BC36709  Brassica rapa John F. Emmel 1971-5-8 349 Sonoma Along road 0.5 mile south of Mark West Springs and above Mark West Creek. 146 Comment
  CAS-BOT-BC145477  Briza maxima Roxana S. Ferris 1961-6-14 13530 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega. Comment
  SJSU810  Briza maxima A. W. Jacobs 1943-5-15 Sonoma near Forestville Comment
Read comments
Sep 17 2008
  UCD57138  Briza maxima Terri Williamson 1990-5-20 60 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  UCD57140  Briza maxima Collector unknown 1941-5-1 Sonoma Montacello Ave. Santa Rosa? Comment
  CAS-BOT-BC145279  Briza minor Michener; Bioletti 1893-6-1 s.n. Sonoma Kenwood. Comment
  SEINET10514426  Briza minor A. Arthur Heller 1902-6-7 Heller 5649 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  SEINET12049904  Brodiaea californica subsp. leptandra Unknown 1985-1 50553 Sonoma W side of Dry Cr. Valley, W of town of Dry Creek, unnamed ridge N of Crane Creek & S of Bradford Mt. 162 Comment
  UCD139132  Brodiaea elegans subsp. elegans Frederica Bowcutt 1994-6-12 1847 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. about 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  UCD151303  Brodiaea elegans subsp. elegans James A. Neilson Jr. 1974-7-25 3032 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  CHSC20586  Brodiaea stellaris Robert A. Schlising; Glenn Keator 1965-5-22 2825 Sonoma About 1 mile east of Occidental, along Graton Road. Comment
  JEPS82292  Brodiaea stellaris Roger Raiche 1983-7-4 30470 Sonoma slope s Gilliam Creek (below Redwood Lake, at convergence of several steep ravines); East Austin Creek Recreation Area 304 Comment
  CAS-BOT-BC487729  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1969-5-11 6041 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC311812  Bromus Peter Rubtzoff 1964-6-24 5376 Sonoma Coleman Marsh. Comment
  UCD58245  Bromus carinatus G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3231 Sonoma 2.8 miles north of Occidental. On road to Monte Rio. Comment
  CAS-BOT-BC149051  Bromus carinatus var. carinatus Peter Rubtzoff 1952-5-31 1100 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC149089  Bromus carinatus var. carinatus David L. Morgan 1956-4-16 s.n. Sonoma Petaluma. Comment
  UC1155625  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3231 Sonoma 2.8 mi n of Occidental (on road to Monte Rio) Comment
  CAS-BOT-BC149085  Bromus carinatus var. carinatus David L. Morgan 1961-4-26 s.n. Sonoma Marshall - Petaluma road 2 miles west of junction of Wilson Hill Road. Comment
  UCD151108  Bromus carinatus var. marginatus James A. Neilson Jr. 1974-6-1 3035 Sonoma Mayacmas Mountains, Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1066 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
  UCD58521  Bromus diandrus Gerry North 1993-4 1 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  CAS-BOT-BC155202  Bromus hordeaceus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC155207  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  CAS-BOT-BC155250  Bromus hordeaceus John H. Thomas 1966-5-8 11596 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  RSA785738  Bromus hordeaceus Carrie A. Herd 1982-4-25 117 Sonoma Rohnert park. California State University, Sonoma, Open field between down parking lo and bicycle path. Comment
  CAS-BOT-BC162389  Bromus laevipes G. DeNevers 1981-5-23 1291 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. Comment
  CDA366  Bromus laevipes D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .27 Sonoma Cavedale Rd. Comment
  UCD58929  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma 10 miles west of Calistoga. Hwy. 128. Comment
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  UCD126494  Brugmansia sanguinea A. Greive 1941-8-3 s.n. Sonoma Stewart's Point on coast. Comment
  SBBG29786  Cakile maritima R. S. Ferris 1937-8-18 9370 Sonoma near mouth of Salmon Crk on Bodega Bay Comment
  CAS-BOT-BC352218  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville. Comment
  UCR254889  Calamagrostis Peter Rubtzoff, Nancy Harrison 1978-6-11 9217 Sonoma Cunningham Marsh area, along northern tributary of Blucher Creek, c. 1 air mile WSW of Cunningham Station 38 Comment
  SEINET10843394  Calamagrostis P. Rubtzoff 1967-8-22 Rubtzoff 5856 Sonoma SE of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC185407  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh. Comment
  UCR254853  Calamagrostis bolanderi Greg de Nevers 1996-6-17 10831 Sonoma CYO Camp south of Occidental on Bohemian Highway [2136 Bohemian Hwy, Occidental] 122 Comment
  CAS-BOT-BC185402  Calamagrostis bolanderi Mary P. Wells 1985-10-4 677 Sonoma Along road in forest south of Gualala River. Comment
  CAS-BOT-BC185130  Calamagrostis nutkaensis Mary P. Wells 1981-7-2 s.n. Sonoma Up Moonraker Road, east of Highway #1, The Sea Ranch. Comment
  UCD57507  Calamagrostis nutkaensis Virginia Bufford 1936-5-22 409 Sonoma Hwy. 1, 9 miles south of Stewarts Point. Comment
  UCD57533  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2185 Sonoma North Coast Ranges, Oregon Canyon. Comment
  UCR255656  Calandrinia breweri Greg de Nevers 1997-4-12 10930 Sonoma Santa Rosa, Pepperwood Ranch, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC438601  Calandrinia ciliata Peter Rubtzoff 1959-4-18 4030 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing. Comment
  CAS-BOT-BC438613  Calandrinia ciliata Walter Knight; Irja Knight 1963-8-13 168 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC438608  Calandrinia ciliata G. DeNevers 1982-3-28 1937 Sonoma Pepperwood Ranch. Across the pasture from the barn at Pepperwood. Comment
  CAS-BOT-BC438614  Calandrinia ciliata G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave., Santa Rosa. Comment
  UCD129661  Calendula arvensis Shirley C. Tucker 1965-2-7 s.n. Sonoma ca. 2 miles east of Sonoma. Comment
  UCD33564  Calendula arvensis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st. Street West, just south of r.r. depot. Comment
  UC17873  Callitriche heterophylla var. bolanderi F. T. Bioletti Apr 1893 Sonoma Kenwood Comment
  UCSB45513  Callitriche palustris Roos, John 1957-7-2 Sonoma Miller's Ridge Comment
  JEPS61625  Calochortus amabilis Docia I. Patchett 1917-5-7 Sonoma Cazadero Road near Clark's Crossing Comment
  SD56795  Calochortus amabilis Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  UC119765  Calochortus amabilis Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  CAS-BOT-BC483290  Calochortus amabilis W. W. Carruth 1901-6-1 s.n. Sonoma Near Seaview Comment
  CAS-BOT-BC492635  Calochortus luteus A. Day 1982-6-1 82 -63 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC492639  Calochortus luteus L. R. Abrams 1918-4-30 7067 Sonoma near Healdsburg Comment
  UC423014  Calochortus nudus Milo S. Baker Jul 1897 166 Sonoma Mayfield Road, Anderson's Sheep camp Comment
Read comments
Feb 12 2015
  UCD139582  Calochortus tolmiei Mary M. Hektner 1975-4-30 192 A Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC496928  Calochortus vestae Greg de Nevers 1987-6-1 8186 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC181539  Caltha palustris Peter Rubtzoff 1955-4-9 1768 Sonoma Forestville Marsh Comment
  CDA31327  Calycadenia truncata D. G. Kelch 2006-10-4 6 .498 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  SEINET9343982  Calycadenia truncata Unknown 1993-10-2 11423 Sonoma Sonoma Comment
  CAS-BOT-BC91007  Calycanthus occidentalis Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis. Comment
  CAS-BOT-BC91012  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mile east of junction with Harrison Grade Road. Comment
  CDA17200  Calycanthus occidentalis G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16199 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  JEPS128219  Calycanthus occidentalis Roger Raiche 2000-5-27 111 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD99410  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Highway 12, ca. 3.0 miles west of Guerneville, along Russian River. 14 Comment
  UC192556  Calycanthus occidentalis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  SEINET8565825 Image available Calycanthus occidentalis S. L. G. 1892-1 2919 Sonoma Comment
  UCD137928  Calycanthus occidentalis C. Wistrom 1996-5-26 33 Sonoma Healdsburg, 1375 Dry Creek Road. 48 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
  JEPS86304  Calystegia collina subsp. collina Jack and Betty Guggolz 1988-5-8 942 Sonoma Pine Flat Road, 9.2 mi in from Highway 128 633 Comment
  RSA799041  Calystegia collina subsp. collina Sandra M. Namoff, Eric R. Carter 2013-6-20 94 Sonoma East of Santa Rosa, N side of Los Alamos Rd about 0.5 miles east of high transmission lines, same location as Jack and Betty Guggolz 1107. 524 Comment
  CDA39871  Calystegia collina subsp. oxyphylla T. C. Fuller 1958-5-24 4002 Sonoma 1/2 mile east of Occidental, State Department of Forestry Station. 0 Comment
  UCSB50245  Calystegia occidentalis Gray, John 1976-5-1 Sonoma Bluff above Blind Beach, 1/2 mile west of Highway 1; T7N R11W 60 Comment
  UCR255740  Calystegia purpurata subsp. purpurata Greg de Nevers 1993-5-9 10440 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC224741  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  JEPS105775  Calystegia purpurata subsp. saxicola Ann Howald 2004-5-29 2390 Sonoma The Sea Ranch, approx. 5 mi S of Gualala, immediate coastal bluff W of One-eyed Jacks picnic area, above Shell Beach 9 Comment
  JEPS128287  Calystegia subacaulis Roger Raiche 2008-5-18 003 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1299583  Calystegia subacaulis Freed W. Hoffman 1947-6-4 527 Sonoma North Coast Ranges. East Austin Creek . Comment
  RSA123583  Camassia leichtlinii subsp. suksdorfii Allison Hastings 1940-4-12 s.n. Sonoma North of Fort Ross, Sonoma Coast Comment
  CAS-BOT-BC498781  Camassia quamash subsp. linearis Peter Rubtzoff 1951-6-30 312 Sonoma Western branch of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  RSA799989  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma 4.25 mi. W. of Glen Ellen on Bennett Valley road. Comment
  NY679548  Camissonia cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma On the bluff N of the town of Bay, Bodega Bay. Comment
  RSA186553  Camissonia ovata Peter H. Raven 1963-4-28 18250 Sonoma Town of Bodega Bay Comment
  SD38638  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1932-7-21 4045 Sonoma Bodega Bay. Comment
  UC1176931  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Joanne Taylor 1941-7-3 23 Sonoma Bodega Head 30 Comment
  UC726605  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma bluff n Bodega Bay Comment
  UCD103489  Camissoniopsis intermedia Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  JEPS41065  Campanula angustiflora Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9112 Sonoma along road to Franz Valley School road (between 1 and 1.25 mi due w of Sonoma-Napa counties line) 219 Comment
  CAS-BOT-BC266426  Campanula californica Lester Rowntree 1931-7-15 s.n. Sonoma [Skyp?] Springs Road Comment
  SEINET10905986  Campanula californica Mason 1946-7-4 Mason 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  SEINET10905990  Campanula californica Wolf 1927-9-2 WOLF 1355 Sonoma 1 mile south of the Gualala River on coast road Comment
  SEINET10905928  Campanula prenanthoides Rattan 1877-6-25 RATTAN s.n. Sonoma CLOVERDALE Comment
  CAS-BOT-BC37752  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Near Healdsburg. Comment
  CAS-BOT-BC37773  Cardamine californica George H. Mallory 1920-3-29 s.n. Sonoma On east side of Rincon Valley 6 miles east of Santa Rosa. Comment
  CDA37789  Cardamine californica G. F. Hrusa, R. Gross 1996-3-8 12657 Sonoma North Coast Biodiversity Arena; Above lower Foote Creek. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  UC10435  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  UCD114191  Cardamine californica G. F. Hrusa; R. Gross 1996-3-8 12657 Sonoma on N-facing slope above lower Foote Creek. Foote Ranch at corner of Ida Clayton Road and Highway 128. 200 Comment
  CAS-BOT-BC38036  Cardamine oligosperma G. DeNevers 1981-3-30 583 Sonoma Pepperwood Ranch. At Garrison House. Comment
  OBI63072  Carduus pycnocephalus R. K. Brummitt, A. Wolf, & R. W. Howe, R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat rd near Red Hill 650 Comment
  CAS-BOT-BC281765  Carduus pycnocephalus John H. Thomas 1966-5-8 11599 Sonoma 1.4 miles W of Napa - Sonoma county line. Along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC281769  Carduus pycnocephalus F. H. Utech; Walter & Irja Knight 1986-5-15 86 -160 Sonoma The Geysers, ca 14.0 miles ESE of Preston and US Highway 101 on Geysers Rd 120 Comment
  CAS-BOT-BC281771  Carduus pycnocephalus Roxana S. Ferris; Laura Lorraine 1948-6-9 11658 Sonoma Franz Valley Rd about 0.75 mile from Mark West Rd Comment
  SEINET5713022  Carduus pycnocephalus Peta Lewis 1967-1 13 Sonoma Ca. 2 miles east on River Road, 3 miles north of Guerneville.; Guerneville 23 Comment
  CAS-BOT-BC176184  Carex Peter Rubtzoff; Nancy Harrison 1978-6-11 9208 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC376270  Carex Greg de Nevers 1993-3-10 10324 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In the Bald Hills 304 Comment
  RSA74051  Carex Milo S. Baker 1947-6-26 11830 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  UC963926  Carex Milo S. Baker 1947-6-26 11830 Sonoma ca. 1 mi (airline) sw Cunningham Station (Cunningham Marsh) Comment
  UCD161772  Carex James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD164101  Carex Peter Rubtzoff; Nancy Harrison 1978-5-20 9184 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  UCR255693  Carex abrupta Peter Rubtzoff 1957-5-4 3296 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC353416  Carex abrupta Peter Rubtzoff 1959-6-6 s.n. Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC18136  Carex athrostachya John Thomas Howell; J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  CAS-BOT-BC18147  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  UC590014  Carex athrostachya H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School 91 Comment
  UCR208536  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UCR249039  Carex athrostachya Peter Rubtzoff 1974-6-2 7507 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC329309  Carex barbarae Peter Rubtzoff 1974-6-2 7524 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC329310  Carex barbarae Peter Rubtzoff 1975-7-3 8153 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC422341  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh. Comment
  UC1133324  Carex barbarae H. S. Yates 1936-5-16 5584 Sonoma 1 mi NE of Graton 30 Comment
  UCR249353  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road) 21 Comment
  CAS-BOT-BC19365  Carex barbarae Catherine Best 1981-5-17 s.n. Sonoma About 2 miles East of Sonoma. Near the intersection of Lovall Valley Road and Wood Valley Road. Comment
  JEPS63752  Carex barbarae R. Kuhn 1913-8-12 Sonoma Buena Vista Road, Sonoma Comment
  RSA0023068  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh. Comment
  RSA0031800  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncans Mills Marsh. Upper portion of the marsh. Comment
  UC70606  Carex bolanderi Bioletti 1893-6-5 Sonoma South Los Guilucos Valley Comment
  UC783  Carex bolanderi J. W. Congdon 1880-5-31 370 Sonoma Santa Rosa Comment
  CAS-BOT-BC34422  Carex cusickii Peter Rubtzoff 1951-7-14 434 Sonoma Pitkin Marsh near Forestville. Southern half of Lower Marsh. Comment
  CAS-BOT-BC18978  Carex densa John Thomas Howell 1947-6-5 23236 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC20476  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13025 Sonoma Sebastopol. Comment
  CAS-BOT-BC20512  Carex densa Peter Rubtzoff 1955-5-21 1860 Sonoma Sonoma County Marshes. Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  UC1133352  Carex densa H. S. Yates 1936-5-16 5583 Sonoma 1 mi NE of Graton 30 Comment
  UC70642  Carex densa Bioletti 1893-1 Sonoma Los Guilucos Valley Comment
  UCD151306  Carex densa James A. Neilson Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC20243  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  CAS-BOT-BC20507  Carex densa Peter Rubtzoff 1958-4-26 3604 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastopol. Comment
  SEINET7556713 Image available Carex densa Unknown 1936-7-26 12665 Sonoma Occidental. Comment
  UCD112441  Carex densa Peter Rubtzoff 1975-7-3 8150 Sonoma Kenwood Marsh. Comment
  UCR248968  Carex exsiccata Peter Rubtzoff 1960-5-20 4396 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  SEINET10652787  Carex festiva Henry N. Bolander Bolander 3868 Sonoma Meadow on Russian River. Comment
  UCR208533  Carex feta Peter Rubtzoff 1957-5-11 3328 Sonoma Occidental Marsh Comment
Read comments
Aug 27 2013
  SEINET7558589 Image available Carex feta Alice Eastwood, John Thomas Howell 1936-5-19 2525 Sonoma Near Asti. Comment
  SD72053  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  UCD140351  Carex globosa Frederica Bowcutt 1994-5-1 1760 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 2.5 air miles NE Kenwood and 18 air miles NW of Napa. Adobe Canyon along Goodspeed Trail about 200 yards from just E of Bear Creek about 5 yards N of confluence with Sonoma Creek about 40 yards. Comment
  CAS-BOT-BC28333  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near mark West Creek. Comment
  UCR248717  Carex gynodynama Peter Rubtzoff 1959-5-31 4085 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC21908  Carex harfordii Peter Rubtzoff 1951-6-10 199 Sonoma The Pitkin Marsh, near Forestville. Between the upper and the lower marshes. Comment
  UCD112445  Carex harfordii Peter Rubtzoff 1954-6-20 1499 Sonoma Guerneville Marsh. Comment
  UCR249050  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh 15 Comment
  CHSC114389  Carex hassei Peter Warner; Kara Doolin, Anthony Nelson 2010-6-28 168 Sonoma Lower Pitkin Marsh,--63m, N49 o E ofgate at Hwy. 116, just N of interior fence, in understory of perennialgrasses and herbs. UTM 10S: 511310E, 4256389N, T7N, R9W: Molinos. 39 Comment
  UCR249356  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC31172  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  RSA94271  Carex lemmonii Peter Rubtzoff 1951-6-30 297 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  UCD140480  Carex leporina Frederica Bowcutt 1994-5-1 1782 a Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco. About 10 air miles east of Santa Rosa. About 2.5 air miles north of Kenwood. About 18 air miles northwest of Napa. Campground, south of Sonoma Creek about 150 yards, 1/4 miles NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. Comment
  UCR249077  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh 15 Comment
  CAS-BOT-BC119579  Carex nudata Helen D. Geis 1902-8-1 564 Sonoma Sulphur Cr. Comment
  CAS-BOT-BC119315  Carex obnupta Peter Rubtzoff 1951-6-10 208 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  SD88337  Carex obnupta Darley F. Howe 1972-5-2 Sonoma Duncan Mills Pond. Comment
  CAS-BOT-BC119285  Carex ovalis Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa E of Cunningham near Llano Road. Comment
  CAS-BOT-BC119289  Carex ovalis John Thomas Howell 1938-7-3 13965 Sonoma Pitkin Marsh Comment
  RSA0022349  Carex pachystachya Peter Rubtzoff 1974-6-2 7504 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC118938  Carex pellita Peter Rubtzoff 1952-5-21 1059 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  UCR248948  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-BC329280  Carex stipata Peter Rubtzoff 1955-5-14 1838 Sonoma Forestville Marsh. Comment
  RSA244331  Carex stipata Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1087 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  CAS-BOT-BC310296  Carex stipata Peter Rubtzoff 1955-6-4 1904 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC117358  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13021 Sonoma Sebastopol Comment
  UCR248924  Carex stipata var. stipata Peter Rubtzoff 1960-6-9 4483 Sonoma Laguna de Santa Rosa area, northeast of Graton, near the Laguna Road 30 Comment
  CAS-BOT-BC116786  Carex subbracteata var. subbracteata Peter Rubtzoff s.n. Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  CAS-BOT-BC350937  Carex tumulicola Peter Rubtzoff 1959-5-31 4076 Sonoma Freestone Marsh. Comment
  UCR248922  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh Comment
  RSA0020341  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh. Comment
  UCD140940  Carex tumulicola Gerry North 1993-4 12 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  UC589968  Carex vesicaria var. major H. S. Yates 1936-5-17 5632 Sonoma 2 mi ne Graton; Sebastopol Quadrangle 30 Comment
  CDA7002  Carthamus leucocaulos T. C. Fuller 1970-5-4 19484 Sonoma 2 miles west of the overpass, Highway 101, Asti. 0 Comment
  HSC103378  Carthamus leucocaulos T. C. Fuller 1978-8-17 20253 Sonoma Asti, 1 mi. W of Hwy. 101 freeway exit. Comment
  JEPS35565  Castilleja L. R. Heckard 1964-6-12 1389 Sonoma s limit Bodega Bay town Comment
  UCD164105  Castilleja Peter Rubtzoff; Nancy Harrison 1978-5-20 9189 Sonoma Cunningham Marsh area, north side of Blucher Creek Valley. Comment
  UCR143607  Castilleja G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC249237  Castilleja affinis Alexander 1944-4-1 s.n. Sonoma Near Santa Rosa Comment
  JEPS14262  Castilleja affinis subsp. affinis Rimo Bacigalupi and F. Chisaki with G. Thomas Robbins 1956-4-17 5585 Sonoma 0.9 mi below Rincon Grade summit (on road between Kenwood and Franz Valley and Calistoga, overlooking Rincon Valley) 213 Comment
  JEPS66221  Castilleja ambigua subsp. ambigua T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6897 Sonoma e of Graton; Laguna de Santa Rosa Comment
  HSC103519  Castilleja densiflora Thomas W. Nelson, Jane Nelson 1981-5-3 6463 Sonoma Along Pressley Rd., ~ 1 mi. N of junction with Roberts Rd. Comment
  SBBG68587  Castilleja densiflora subsp. densiflora H. E. and S. T. Parks 1930-5-7 632 Sonoma N end of Knight's Valley 106 Comment
  OBI60005  Castilleja lacera Joseph Andorfer Ewan 1935-5-13 9250 Sonoma Along low places of RR right-of-way. Wright school on Sebastopal rd Comment
  CAS-BOT-BC243850  Castilleja latifolia Mrs. H. C. Cantelow 1934-5-6 528 Sonoma Near Bodega Bay Comment
  JEPS10644  Castilleja rubicundula subsp. lithospermoides W. L. Jepson 1921-6-3 9312 Sonoma Cotati Valley 28 Comment
  JEPS35570  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1384 Sonoma about 2.5 mi n mouth of Russian River (slope back from the ocean in Russian Gulch, near point where highway loops back w); Russian Gulch 91 Comment
  JEPS60457  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-30 6696 Sonoma about 1 mi s Stewart's Point Comment
  JEPS8512  Castilleja wightii W. L. Jepson 1931-7-19 15956 Sonoma bluffs at Scott Creek Comment
  CAS-BOT-BC39436  Caulanthus lasiophyllus John Thomas Howell 1930-6-8 5283 Sonoma 8.5 miles north of the Bodega Bay. Overlooking the ocean. Comment
  UCR255652  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  SBBG119963  Ceanothus confusus A. Howald 2007-4-2 2456 Sonoma Goodspeed Trail just below highest pt of trail, E of Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 310 Comment
  UCD111364  Ceanothus confusus Roger Raiche 1985-4-6 RR 50178 Sonoma W of Healdsburg, Dry Creek area, ridge W side of Dry Creek Valley and N of Dorman Canyon (N as far as Bradford Mt.) 243 Comment
  RSA0005479  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  UCD111362  Ceanothus confusus G. F. Hrusa; R. Gross 1995-11-8 12469 Sonoma on N side of Adobe Canyon Road. Comment
  CAS-BOT-BC49197  Ceanothus cuneatus Walter Knight; Irja Knight 1963-12-27 477 Sonoma Summit, Pine Flat Rd. Comment
  RSA3948  Ceanothus cuneatus I. L. Wiggins 1932-3-12 5766 Sonoma Between Franz Valley and Knight's Valley. Comment
  SBBG119966  Ceanothus divergens A. Howald 2007-4-2 2458 Sonoma Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 275 Comment
  RSA177990  Ceanothus foliosus Robert F. Thorne 1965-4-20 34343 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  UC1614284  Ceanothus foliosus Charles M. Belshaw 1936-3-7 1569 A Sonoma just east of Trenton (turn off to Vine Hill School); Forest Hill Road Comment
  UC73358  Ceanothus foliosus Milo S. Baker 25 Sonoma Santa Rosa to Forestville. Comment
  CAS-BOT-BC49906  Ceanothus foliosus var. foliosus Walter Knight; Cliff Schmidt 1987-2-27 6057 Sonoma Cavedale Road 274 Comment
  CAS-BOT-BC49911  Ceanothus foliosus var. foliosus J. W. Congdon 1880-5-16 s.n. Sonoma Sebastopol Comment
  CDA31311  Ceanothus foliosus var. foliosus D. G. Kelch, Ed Biffin 2010-5-3 10 .194 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS128180  Ceanothus foliosus var. foliosus Roger Raiche 2001-5-17 021 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  RSA300966  Ceanothus foliosus var. vineatus D. C. Michener 1982-7-26 4118 Sonoma Vine Hill School road, 100' west of Vine Hill school, lot west of residence 6096; north road bank between vineyard and road Comment
  UCD112132  Ceanothus foliosus var. vineatus Ray Prag 1970-6-9 s.n. Sonoma Vine Hill School Road, 3/4 mile east of Vine Hill Road. Comment
  RSA0005484  Ceanothus foliosus var. vineatus H. E. McMinn 1936-4-5 4406 Sonoma West of Vine Hill School, ca. 10 miles west of Santa Rosa. Comment
  CAS-BOT-BC32737  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6694 Sonoma Vine Hill District, 9 miles W of Santa Rosa Comment
  SBBG27258  Ceanothus gloriosus var. exaltatus C. B. Wolf 1941-7-30 4389 Sonoma 8.5 mi S of Stewart's Pt, at entrance to Salt Pt Ranch 30 Comment
  UC725659  Ceanothus gloriosus var. exaltatus A. A. Heller 1942-3-15 16400 Sonoma Vine Hill region on the Eastwest road below the Vine Hill School. Comment
  LA43584  Ceanothus gloriosus var. exaltatus Henry Reents; 1936-5-2 sn Sonoma 0.5 mi. past slough, on rd. to Rio Nido Comment
  CAS-BOT-BC63736  Ceanothus griseus A. A. Heller 1903-4-23 6606 Sonoma Fort Ross. Comment
  CAS-BOT-BC50644  Ceanothus jepsonii Roxana S. Ferris; Laura Lorraine 1961-6-15 13567 Sonoma Harrison Grade 1.3 mi. from junction with Green Valley Road Comment
  CAS-BOT-BC50649  Ceanothus jepsonii Gladys L. Smith 1977-3-30 4651 Sonoma Harrison Grade, Occidental region 457 Comment
  SJSU10888  Ceanothus jepsonii C. S. Wallen 1965-4-13 32 Sonoma 1 mile N of Jenner Comment
  UCD112069  Ceanothus jepsonii D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  CAS-BOT-BC51132  Ceanothus jepsonii var. albiflorus Walter Knight; Cliff Schmidt 1987-2-27 6060 Sonoma Bradford Mt. Road near Dorman Canyon, West of Healdsburg 167 Comment
  CHSC93632  Ceanothus jepsonii var. albiflorus C. L. Schmidt 1987-2-27 1141 Sonoma Dorman Canyon Road, across small canyon from Bradford Mtn. ca. 10 miles NE of Healdsburg. 180 Comment
  CAS-BOT-BC126848  Ceanothus parryi D. E. Breedlove 1980-6-28 44798 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC51881  Ceanothus parryi Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford Comment
  CAS-BOT-BC51884  Ceanothus parryi Greg de Nevers 1987-1-8 8122 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC51889  Ceanothus parryi A. A. Heller; H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood Comment
  UCD36684  Ceanothus parryi Beecher Crampton 1955-6-17 2933 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  SD88409  Ceanothus parvifolius D. F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range 395 Comment
  CAS-BOT-BC52125  Ceanothus prostratus J. Clausen 1933-3-26 740 Sonoma Rincon Range east of Santa Rosa Comment
  UC1299559  Ceanothus prostratus Freed W. Hoffman 1947-8-4 1429 Sonoma Mt. St. Helena North Coast Ranges, Mt. St. Helena 792 Comment
  CAS-BOT-BC32656  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Trinity Mt., 2 miles NE of Glen Ellen Comment
  CAS-BOT-BC53003  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Triniti Mt., 2 miles e. of Glen Ellen Comment
  RSA757815  Ceanothus sonomensis Dylan O. Burge 2008-5-29 DOB 1002 c Sonoma Sonoma Mountains, Annadel State Park, above abandoned quarry at the end of Rhyolite Trail, accessed via Lawndale Trail, beginning at the Lawndale Trail Head on Lawndale Road, 4.65 km 272 degrees true west-northwest of Kenwood. 330 Comment
  SEINET12210863  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4625 Sonoma 305 Comment
  JEPS15042  Centaurea benedicta unknown 1877-1-1 Sonoma Healdsburg Comment
  CDA37726  Centaurea iberica R. Breckenridge/S. Ostrom 2009-7-9 s.n. Sonoma Franz Valley, Oak Ridge Angus. 0 Comment
  CDA20572  Centaurea melitensis R. Breckenridge, Vernon 2005-8-2 PDR 1328675 Sonoma North Coast; Hwy 1 near Ft Ross. 0 Comment
  UCD161376  Centaurea melitensis James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, above Cloverdale Mine, (Elevation and exact location estimated by label maker.) 731 Comment
  UC34566  Centaurea solstitialis F. T. Bioletti 1891-9-7 Sonoma Shellville Comment
  CAS-BOT-BC384971  Cerastium arvense A. A. Heller; H. E. Brown 1902-4-11 5269 Sonoma Bodega Bay Comment
  CAS-BOT-BC384978  Cerastium arvense Catherine Best 1983-4-16 s.n. Sonoma Along the Coleman Valley Rd. about 5 miles West of Occidental Comment
  JEPS77255  Cerastium glomeratum Robert M. Lloyd 1963-4-24 2394 Sonoma 13.8 mi. from State Hwy. 12 on rd. to Oakdale 365 Comment
  CAS-BOT-BC400222  Ceratophyllum demersum Greg de Nevers 1991-8-8 9769 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In largest Double Pond 475 Comment
  CAS-BOT-BC400227  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mtn. Lake Comment
  UC15102 Image available Cercis occidentalis H. N. Bolander 1864-1 3946 Sonoma The Geysers Comment
  UC1127922  Cercocarpus betuloides var. betuloides E. Armstrong 1934-3-26 910 Sonoma 1 mi nw of Camp Meeker 121 Comment
  CAS-BOT-BC135417  Cercocarpus betuloides var. betuloides Mary P. Wells 1987-3-27 878 Sonoma By West Soda Creek Road on cliff above Russian River Comment
  UCD130399  Chamaemelum fuscatum Rimo Bacigalupi 1948-4-4 2870 Sonoma about 2 miles south of Asti, along U.S. Highway 101. Comment
  UCD167341  Chamaemelum fuscatum James Neilson 1980-5-1 3427 Sonoma Mayacmas Mountains. about 1 mi. southwest of Geysers Resort off of Geysers-Healdsburg Rd. Ranch 1 mile south old Mercuryville. (Exact location unknown. Coordinates estimated by label maker. Neilson probably meant 1 mile north of old Mercuryville.) Comment
  CDA7379  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19486 Sonoma 2 miles west of the freeway overpass, Highway 101, Asti. 0 Comment
  UC1481824  Cheilanthes covillei Milo Baker 1902-4 4 a Sonoma Hood Mt Comment
  CAS-BOT-BC166798  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC493399  Chlorogalum pomeridianum Roxana S. Ferris; Laura Lorraine 1961-6-14 13527 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  UCD138412  Chlorogalum pomeridianum var. divaricatum P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  JEPS51212  Chlorogalum pomeridianum var. pomeridianum Glen Keator 1967-6-26 SN 3 Sonoma 1/2 mi e Occidental Comment
  JEPS50856  Chlorogalum pomeridianum var. pomeridianum H-M. Beard Jun 26 1967-Jun 27 1967 61 .104 Sonoma Comment
  RSA227212  Chlorogalum pomeridianum var. pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC32799  Chorizanthe cuspidata var. villosa Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC248858  Chrysolepis P. S. Manos 1989-10-7 907 Sonoma North Coast Range, Mount St. Helena. Trail near the top 900 Comment
  SD251186  Chrysopsis Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 miles SW of the Russian River bridge in Hacienda. Comment
  UCD148323  Cichorium intybus Peter Rubtzoff 1954-7-28 1599 Sonoma Guerneville Marsh. Comment
  UC178902  Cirsium douglasii var. douglasii Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  CAS-BOT-BC279998  Cirsium douglasii var. douglasii Harriet Reinhard 1976-6-17 s.n. Sonoma Gleason Beach, north of Bodega Bay Comment
  CAS-BOT-BC286378  Cirsium occidentale var. occidentale Alice Eastwood 1915-6-29 4888 Sonoma Bodega Point Comment
  CAS-BOT-BC290646  Cirsium occidentale var. occidentale Peter Rubtzoff 1960-9-14 4548 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC280372  Cirsium occidentale var. venustum F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch Comment
  CDA1485  Cirsium occidentale var. venustum T. C. Fuller 1958-5-24 4004 Sonoma 1.5 mi. N of Camp Meeker. 0 Comment
  UC30831  Cirsium occidentale var. venustum F. T. Bioletti 1892-7-1 Sonoma Chauvert's Comment
  UC589641  Cirsium quercetorum F. F. Barbour 1938-4-28 Sonoma Sonoma Valley Comment
  CAS-BOT-BC280542  Cirsium quercetorum Mrs. H. C. Cantelow 1936-5-3 s.n. Sonoma Near El Verano Comment
  UC75938  Cirsium remotifolium var. odontolepis Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC164355  Citrullus lanatus Peter Rubtzoff 1976-9-25 8904 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UC373536  Clarkia amoena Mrs. R. L. Wade 1928-8-16 Sonoma between Bodega and Bodega Bay 5 Comment
Read comments
Apr 14 2009
  UC1072038  Clarkia amoena subsp. amoena H. and M. Lewis 1947-6-15 436 Sonoma at west road to Doran Peak (Highway 1); Bodega Bay Comment
  UCD160835  Clarkia concinna James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3358 Sonoma Section 10, on the Geysers Road, 1/4 mile west of Eagle Rock. (Elevation and coordinates estimated by label maker.) 396 Comment
  UC20005  Clarkia concinna subsp. concinna Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UCR222559  Clarkia concinna subsp. concinna George K. Helmkamp, E. A. Helmkamp 2010-6-5 16242 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CDA15740  Clarkia gracilis subsp. sonomensis G. F. Hrusa 1998-6-14 14592 Sonoma Knights Valley; side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena. Comment
  JEPS25145  Clarkia gracilis subsp. sonomensis G. Thomas Robbins 1959-5-16 4015 Sonoma Spring Mt. Road Mayacamas Mt. (between Calistoga Road and Sonoma-Napa County line) 487 Comment
  UC76446  Clarkia gracilis subsp. sonomensis Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC163151  Clarkia imbricata John Thomas Howell 1937-7-4 13084 Sonoma 5 miles north of Sebastopol Comment
  LA30762  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13692 Sonoma at 4551 Vine Hill Road, near Pitkin Marsh Comment
  CHSC22118  Clarkia purpurea Robert A. Schlising; Lloy Thurman 1962-6-15 2310 Sonoma Coast Ranges. Skaggs Springs Road, 12 mi W of Jct with Dutcher Creek Road. Comment
  RSA448314  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1977-6-20 6017 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  POM32298  Clarkia unguiculata A. A. Heller 1902-6-11 5686 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UCD160134  Clarkia unguiculata James A. Neilson Jr. 1973-6-7 2971 Sonoma Mayacmas Mountains. The Geysers. Site IV-G, Big Geysers. (Elevation and exact location estimated by label maker.) 365 Comment
  UCD100578  Claytonia exigua J. Adams; J. Weick, Daehler, Lu 1993-5-8 286 Sonoma about 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  CAS-BOT-BC439318  Claytonia exigua subsp. exigua A. A. Heller; H. E. Brown 1902-3-12 5049 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  CAS-BOT-BC439415  Claytonia gypsophiloides Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  UCR265107  Claytonia gypsophiloides Ann Howald 2015-4-1 3323 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-BC439398  Claytonia gypsophiloides Barrett Anderson 1986-4-9 2875 Sonoma Ida Clayton Rd N of Kellogg. 745 Comment
  CAS-BOT-BC439400  Claytonia gypsophiloides D. E. Breedlove 1976-3-27 39 .452 Sonoma Above Dry Creek, west of Warm Springs Dam Comment
  SBBG106815  Claytonia gypsophiloides K. L. Chambers 1978-4-29 4466 A Sonoma Hwy 128, the Cloverdale to Ft Bragg rd, 3.8 mi W of its jct with Hwy 101 at Cloverdale Comment
  UC480640  Claytonia gypsophiloides Carl Meyer 1929-3-29 Sonoma Comment
  UCD84822  Claytonia perfoliata Nellie Coffey 1931-4-12 s.n. Sonoma Mount St. Helena. Comment
  SEINET11935786  Claytonia perfoliata Unknown 1987-1 70028 Sonoma S of mouth of Russian River, Goat Rock State Park, W of Coast Hwy 1, S of main entrance rd into park 9 Comment
  CAS-BOT-BC443679  Claytonia perfoliata subsp. perfoliata F. Almeda; G. DeNevers 1981-3-30 4877 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW corner of the ranch. Comment
  UCD100892  Claytonia sibirica Mary M. Hektner 1975-6-3 199 Sonoma coastal terrace, next to trail leading to the beach. Below Pipers' Reach, Unit 24 Owners' Map, near State Highway 1. Comment
  POM151219  Clematis lasiantha A. A. Heller, H. E. Brown 1902-5-29 5623 Sonoma Mt. Hood. Comment
  UCR255028  Clematis lasiantha Greg de Nevers 1993-8-14 10489 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC92753  Clematis ligusticifolia A. A. Heller 1902-7-8 5809 Sonoma Mark West creek north of Santa Rosa. Comment
  UC465904  Clematis ligusticifolia V. King Chesnut Aug. 1887 Sonoma near Santa Rosa Comment
  UCD124941  Clinopodium douglasii Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-4 120 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CHSC101621  Clintonia andrewsiana David W. Isle; Rhonda Isle 2005-11-11 1632 Sonoma SE of Gualala, along drainage, just west of bridge, south of road between Annapolis and Stewart's Point in old growth redwood forest. Comment
  JEPS61595  Clintonia andrewsiana Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  SEINET3159375  Collinsia concolor L. S. Rose 1939-5-14 39121 Sonoma 1 mi E of Bodega Bay Comment
  SEINET7075544  Collinsia grandiflora A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC366865  Collinsia heterophylla Greg de Nevers 1998-4-21 11157 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Below Jim & Donna's house 400 Comment
  JEPS5721  Collinsia heterophylla Calvin and Phyllis McMillan 1951-5-30 Sonoma along road from Healdsburg to Stewarts Point 4.6 mi e junction of road from Annapolis ((8 mi e of Soda Springs)) Comment
  RSA94791  Collinsia sparsiflora A. A. Heller 1903-4-23 6601 Sonoma Fort Ross. From type locality. Comment
  UC76208  Collinsia sparsiflora var. arvensis Milo S. Baker 1898-4-2 Sonoma near Santa Rosa Comment
  RSA52649  Collinsia sparsiflora var. arvensis I. L. Wiggins 1949-4-30 12065 Sonoma 4 miles west of Calistoga, just within the county line. Comment
  UC1238979  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma Spring Mountain Road to St. Helena near summit St. Helena; North Coast Ranges, Spring Mountain Road 609 Comment
  UCD35326  Collinsia tinctoria Beecher Crampton 1955-6-8 2824 Sonoma 7 miles northwest of Calistoga, State Hwy. 128. Comment
  CAS-BOT-BC229545  Collomia diversifolia J. C. Roos 1950-7-22 4873 Sonoma 2 miles E of Duncan Mills 60 Comment
  CAS-BOT-BC371465  Cordylanthus Greg de Nevers 1989-11-2 9118 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Top of Telegraph Hill. 400 Comment
  UC1239013  Cordylanthus pringlei Freed W. Hoffman 1946-9-26 582 Sonoma Layton Mine, Austin Creek Layton Mine Comment
  CAS-BOT-BC238227  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, n.e. of Kenwood 731 Comment
  UC727699  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  RSA0034034  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  CAS-BOT-BC212290  Cornus glabrata Peter Rubtzoff 1951-6-7 109 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  RSA0057961  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  CAS-BOT-BC210428  Cornus sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC210436  Cornus sericea Peter Rubtzoff 1958-4-26 3589 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC1042524  Cornus sericea subsp. sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh near Forestville (uppermost part of w. branch of Upper Marsh) Comment
  RSA239697  Cornus stolonifera Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1094 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Rd. west of Santa Rosa. Comment
  UCD59795  Cortaderia jubata Beecher Crampton 1981-11-8 9806 Sonoma North West of Jenner along State Hwy. 1. Russian River. Comment
  UCD110093  Corylus cornuta subsp. californica J. M. Tucker 1951-6-26 2140 Sonoma Near summit of the range, beside road from Oakville to Glen Ellen. Comment
  CDA13750  Corylus cornuta var. californica G. F. Hrusa, R. Gross 1997-2-1 13620 Sonoma North Coast Ranges; Kortum Canyon Rd., approx. 1/4 mi. W of Hwy 29, immed. W of downtown Calistoga. Comment
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Jul 28 2008
  CAS-BOT-BC290296  Cotula coronopifolia Peter Rubtzoff 1951-7-14 451 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CDA25350  Cotyledon orbiculata G. D. Bissel 1965-9-22 Sonoma Oscar Miller ranch, west of Petaluma. 0 Comment
  CAS-BOT-BC376256  Crassula Greg de Nevers 1995-5-5 10720 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  CAS-BOT-BC427646  Crassula aquatica Greg de Nevers 1993-5-30 10461 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CHSC59106  Crassula solieri Reid Moran; Chas. Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional National Park, 1 km E of Glen Ellen (Rt. 12 0.5km S of Arnold Drive). 110 Comment
  SD141317  Crassula solieri Reid Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  CAS-BOT-BC32984  Crataegus gaylussacia Amos Arthur Heller 1902-8-20 6052 Sonoma at Sebastopol Comment
  UC750804  Crocanthemum scoparium var. scoparium Charles B. Heiser Jr. 1946-5-19 1744 Sonoma w Santa Rosa; Vine Hill Comment
  UC1299210  Crocanthemum scoparium var. vulgare Freed W. Hoffman 1947-7-30 1412 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Comment
  SBBG32322  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  UCD142160  Croton setiger Lewis S. Rose 1964-8-26 64065 Sonoma 6.5 miles NE of Penngrove; 426 Comment
  CDA4462  Crupina vulgaris G. D. Barbe 1991-5-24 4422 Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  SEINET7067255  Cryptantha A. G. Vestal 1947-5-13 s.n. Sonoma About 1.3 miles north of Salomon Creek. Coordinate datum: NAD27. UTM 10, 647035mE, 3964854mN. Comment
  RSA785747  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  CAS-BOT-BC85473  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-13 2141 Sonoma Coys Ranch about 2 mi. from Occidental 91 Comment
  CDA908  Cupressus sargentii D. G. Kelch 2006-1-24 6 .323 Sonoma Occidental. Harrison Grade Rd., serpentine. Comment
  NY16794  Cupressus sargentii D. D. Keck 1933-11-6 2651 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-BC361393  Cuscuta californica var. breviflora Greg de Nevers 1993-8-7 10481 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR254905  Cuscuta californica var. breviflora Greg de Nevers 1993-8-7 10481 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA41305  Cuscuta howelliana G. F. Hrusa, A. Buckman (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 3 of 3. Comment
  CDA39985  Cuscuta subinclusa Mary-Jean Sawyer 2008-7-3 PDR# 1544920 Sonoma Sears Pt. Dr., on Hwy 37 X Hwy 121, On side of road down to waters edge, near Tolby Creek. 0 Comment
  CAS-BOT-BC376435  Cynodon Greg de Nevers 1996-9-23 10879 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon. 400 Comment
  CAS-BOT-BC190301  Cynodon dactylon Peter Rubtzoff 1955-7-24 1983 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC190343  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  UC1131374  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UC816852  Cynodon dactylon Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  UCD60066  Cynodon dactylon Beecher Crampton 1964-8-18 7140 Sonoma Northeast Sonoma County: 'The Geysers'. Comment
  CAS-BOT-BC190344  Cynodon dactylon David L. Morgan 1955-6-27 s.n. Sonoma Dairy Hill, Old Adobe Road, 5 miles east of Lakeville. Comment
  RSA94465  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville; area between the Upper and the Lower marshes Comment
  CDA12820  Cynoglossum grande G. F. Hrusa, R. Gross 1996-3-8 12654 Sonoma North Coast Biodiversity Arena; SW slope to NW of Chalk Hill. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  UC483308  Cynoglossum grande Ira L. Wiggins 1932-3-12 5760 Sonoma between Knight's Valley and Franz Valley Comment
  SDSU983  Cynosurus cristatus D. F. Howe 1963-7-3 3588 Sonoma 20 miles north of junction with #12 on #1 Comment
  SD88320  Cynosurus echinatus D. F. Howe 1972-6-28 Sonoma 4.5 miles north of Jenner 121 Comment
  RSA0023081  Cynosurus echinatus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC114686  Cyperus bipartitus Herbert L. Mason 1946-7-4 12884 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  RSA44397  Cyperus eragrostis Milo S. Baker 1937-9-20 6037 Sonoma 4 miles southeast of Somona on Vineburg - Napa Road Comment
  CAS-BOT-BC114438  Cyperus erythrorhizos Peter Rubtzoff 1956-9-14 2868 Sonoma Vacation Beach., near Guerneville. Open, wet margin of a pool on Russian River bottom. Comment
  CAS-BOT-BC114339  Cyperus esculentus Peter Rubtzoff 1965-9-11 5650 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  UC127290  Cyperus esculentus Brush and Son 1908-7-24 Sonoma Cloverdale Comment
  CAS-BOT-BC113906  Cyperus niger var. capitatus Peter Rubtzoff 1951-7-1 323 Sonoma Plants of the Pitkin Marsh, near Forestville. Lower part of the upper marsh. Comment
  UC4442  Cypripedium montanum Brewer 1866-4 4829 Sonoma Cloverdale Comment
  UCD105683  Cytisus scoparius Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 62 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-BC189849  Dactylis glomerata A. A. Heller 1902-6-7 5657 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  JEPS97535  Dactylis glomerata R. D. Stone 1980-11-29 327 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  CAS-BOT-BC445560  Damasonium californicum J. W. Congdon 1880-5-16 s.n. Sonoma Petaluma Comment
  RSA216127  Damasonium californicum Peter Rubtzoff 1958-7-26 3808 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD60485  Danthonia californica Beecher Crampton 1957-7-22 4385 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD60460  Danthonia californica David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mile W of the junction of Arnold Dr. Comment
  UCR141956  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Coast Range, 14 miles NW of Calistoga on Hwy. 128 near Chalk Hill Road 122 Comment
  CAS-BOT-BC154130  Datura Peter Rubtzoff 1958-8-17 3896 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UCD127395  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  UCD126489  Daucus pusillus Frederica Bowcutt 1984-6-23 454 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County Coast. West of Highway 1, about 1/2 mile north of Gerstle Cove. 15 Comment
  SEINET11845323  Delairea odorata W. Knight, Knight, I. 1990-1 6568 Sonoma along Coast Hwy #1 northbound through Jenner Comment
  CHSC60191  Delphinium bakeri J. Lund 1980-4-12 Sonoma 0.1 mile west of Petrified Forest Road and Porter Creek Road junction. Comment
  CAS-BOT-BC9020  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  POM150566  Delphinium decorum A. A. Heller, H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  UC118571  Delphinium decorum subsp. decorum Alice Eastwood April 1899 Sonoma type locality Bodega Point Comment
  UC726246  Delphinium decorum subsp. tracyi A. A. Heller 1938-5-14 15089 Sonoma steep slope a mi or more e Bodega Bay Comment
  UC188634  Delphinium hesperium subsp. hesperium Michener and Bioletti May 1893 Sonoma Kenwood Comment
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Jun 5 2007
  JEPS6232  Delphinium hesperium subsp. hesperium F. T. Bioletti 1893-5 Sonoma Hillside South Los Guilicos Comment
  SBBG2150  Delphinium hesperium subsp. hesperium H. and M. Dearing 1933-5-14 384 Sonoma Cloverdale, Hopland grade Comment
  UC1299395  Delphinium hesperium subsp. hesperium Freed W. Hoffman 1948-6-8 2668 Sonoma Austin ranch road North Coast Ranges, Guerneville Comment
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Jun 5 2007
  CAS-BOT-BC10096  Delphinium luteum L. W. Burbank 1917-4-25 s.n. Sonoma Bodega Comment
  CAS-BOT-BC33152  Delphinium luteum Amos Arthur Heller; H. E. Brown 1902-4-11 5256 Sonoma Bodega Bay Comment
  RSA59837  Delphinium luteum Joseph A. Ewan 1935-5-12 9229 Sonoma 1.5 miles west of Bodega, on Bodega Bay Road Comment
  CAS-BOT-BC8011  Delphinium nudicaule Margot Lowry 1983-5-1 44 Sonoma One mile from top of Sonoma Mtn. Road, Sonoma Mountain 500 Comment
  CAS-BOT-BC9897  Delphinium nudicaule Doris K. Kildale 1928-4-1 4400 Sonoma Top of grade, just north of Cloverdale, on Redwood Highway Comment
  UCD95886  Delphinium nudicaule Charles B. Heiser Jr. 1946-4-13 1726 Sonoma Above Russian River, 3 miles N. of Jenner. Comment
  CAS-BOT-BC7766  Delphinium variegatum Alice Eastwood 1921-4-24 10320 Sonoma Santa Rosa Comment
  UC906473  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9240 Sonoma 2 mi n Kenwood; Los Guilicos Comment
  JEPS78745  Dendromecon rigida Edward Lee 1936-6-7 2187 Sonoma South Ridge fire trail Bohemian Grove Comment
  UCD95180  Dendromecon rigida Mrs. H. Dwyer 1928-5-1 1411 Sonoma Location unknown. Comment
  UCD164696  Deschampsia cespitosa Peter Rubtzoff 1976-6-5 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD61085  Deschampsia cespitosa Peter Kamb; Francia Chisaki 1950-6-16 1861 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  CDA18036  Deschampsia cespitosa R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  UC1011016  Deschampsia cespitosa subsp. cespitosa Virginia Bufford 1936-5-19 283 Sonoma 10 mi. from Santa Rosa (Sonoma Mt. Rd.) Comment
  CAS-BOT-BC192615  Deschampsia cespitosa subsp. holciformis David L. Morgan 1960-7-10 s.n. Sonoma Bodega coast 1 mi. south of Carmet Comment
  UCD63790  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1916-7-17 Sonoma Del Mar. Comment
  CAS-BOT-BC192608  Deschampsia cespitosa subsp. holciformis Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy. 1 Comment
  CAS-BOT-BC201648  Deschampsia danthonioides John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54681 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  RSA0059085  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  UCD165167  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd Road 1.5 mi. from Hwy. 116 and 0.5 mi. from Llano Road. Comment
  CAS-BOT-BC201972  Deschampsia elongata Peter Rubtzoff 1960-5-22 4403 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville roads Comment
  RSA785843  Deschampsia elongata Peter Rubtzoff 1971-6-25 6560 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UC53607  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma Russian R. below Guerneville; Russian R. Comment
  UCD63561  Deschampsia elongata Beecher Crampton 1955-6-17 2951 Sonoma 4.5 miles S of Cazadero. Comment
  UCD63734  Deschampsia elongata P. B. Kennedy 1916-7-17 Sonoma Del Mar. Comment
  CAS-BOT-BC376263  Dianthus armeria Greg de Nevers 1991-7-15 9757 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC208928  Dichanthelium acuminatum subsp. acuminatum Helen D. Geis 1902-8-1 569 Sonoma The Geysers Comment
  SEINET242405 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 a Sonoma NE Sonoma County, the Geysers, 12 miles (in direct line) E of Cloverdale, ca. 1/2 mile E of Geyser Resort area 494 Comment
  SEINET10960759  Dichanthelium acuminatum subsp. thermale John H. Redfield 1872-8-27 Redfield 9792 Sonoma Geyser Springs. Comment
  RSA654140  Dichanthelium acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Cloverdale. North slope of well above Geysers Creek. 494 Comment
  SEINET12058504  Dichelostemma capitatum F. H. Utech 1995-3-26 95 -50 Sonoma WNW of Lake Sonoma, junction Kelly Road & Rockpile Road Comment
  UC1084355  Dichelostemma capitatum G. Thomas Robbins 1937-3-25 13 Sonoma 8-10 mi e Santa Rosa; Santa Rosa Creek Canyon Comment
  SEINET12048680  Dichelostemma capitatum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -093 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.2 mi N on Cavedale Rd from jct 244 Comment
  SEINET12051470  Dichelostemma capitatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -268 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  HSC34880  Dichelostemma capitatum subsp. capitatum Thomas W. Nelson, James Nelson 1975-3-25 1753 Sonoma Beside Hwy. 128 E of Geyserville Comment
  POM169356  Dichelostemma capitatum subsp. capitatum A. A. Heller, H. E. Brown 1902-3-14 5065 Sonoma Near Windsor Comment
  RSA173354  Dichelostemma capitatum subsp. capitatum Walter Knight 1965-6-6 1119 Sonoma [?????] Hill Road. Comment
  CAS-BOT-BC502551  Dichelostemma congestum Alice Eastwood 1921-5-8 10437 Sonoma Petaluma Comment
  CAS-BOT-BC183606  Digitaria Peter Rubtzoff 1973-8-29 7283 Sonoma Sonoma Creek near Aqua Caliente Road crossing west of Aqua Caliente. Comment
  RSA788366  Digitaria Peter Rubtzoff 1971-8-31 6664 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC209112  Digitaria sanguinalis John H. Thomas 1969-9-21 15475 Sonoma About 1 mile north of Graton along Highway 116. Comment
  CAS-BOT-BC152042  Diplacus aurantiacus Francis W. Pennell 1940-7-2 26033 Sonoma Mountain northeast of Kenwood Springs 274 Comment
  CAS-BOT-BC152293  Diplacus congdonii Milo S. Baker 1928-3-7 2729 c Sonoma Santa Rosa-St. Helena Road about 4 mi. East Rincon Summit Comment
  CAS-BOT-BC151751  Diplacus kelloggii A. A. Heller; H. E. Brown 1902-3-25 5146 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC153333  Diplacus layneae Mrs. C. A. Burlingame 1921-5-30 s.n. Sonoma Sonoma Comment
  CAS-BOT-BC182751  Dipsacus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  CDA37724  Dipsacus sativus R. Breckenridge/S. Ostrom 2009-5-6 s.n. Sonoma Windsor, along Highway 101. 0 Comment
  UCD116840  Dirca occidentalis G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3230 Sonoma 2 miles west of Bodega, on Bodega Canyon Road. Comment
  RSA304236  Disporum hookeri var. hookeri James R. Shevock 1971-3-21 815 Sonoma Sugarloaf State Park. 152 Comment
  CAS-BOT-BC323167  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just south of Highway 116. Comment
  CDA31328  Dittrichia graveolens Robin Breckenridge, K. Filippini 2009-12-3 PDR# 1313582 Sonoma Rohnert Park: intersection of Highway 116 West at 101 North. 0 Comment
  JEPS30786  Dodecatheon hendersonii G. Thomas Robbins 1937-3-25 12 Sonoma e Santa Rosa; Santa Rosa Creek Canyon, e of Santa Rosa Comment
  UC1093636  Dodecatheon hendersonii Francia Chisaki and Gene B. Newcomb 1958-3-31 1076 Sonoma on Trinity Road 1.2 mi w of junction with Cavedale Road; on Trinity Road w of junction with Cavedale Road Comment
  RSA247149  Dodecatheon hendersonii Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1006 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  JEPS14425  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Cotati Valley, at Wilfrid sta. Cotati Valley Comment
  JEPS77865  Downingia concolor var. concolor Robert M. Lloyd 1965-5-8 3628 Sonoma 3 mi n Highway 12 junction with Aqua Caliente Road (on Highway 12, meadow across from Lawrence Triangle End Garage) Comment
  UC726434  Downingia concolor var. concolor A. A. Heller 1941-5-17 16135 Sonoma 2 mi n Windsor (on U.S. Highway 101) Comment
  CAS-BOT-BC164682  Downingia pusilla Peter Rubtzoff; H. A. Froebe 1971-5-30 6494 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC401570  Drosera rotundifolia John Thomas Howell 1945-5-30 20906 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC159461  Drymocallis glandulosa var. glandulosa Milo S. Baker 1931-5-22 5213 Sonoma Bennett Val. Road, just south of summit, between Santa Rosa and Glen Ellen Comment
  POM179770  Drymocallis glandulosa var. wrangelliana J. T. Howell 1930-6-8 5255 Sonoma 1 mile east of Bodega Bay Comment
  UC62802  Dryopteris expansa J. Burtt Davy 1896-3-13 1641 Sonoma near Duncan Mills Comment
  CAS-BOT-BC428378  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  UC1015407  Dudleya farinosa Jack Whitehead 81 Sonoma Bodega Park Comment
  CAS-BOT-BC210132  Echinochloa Peter Rubtzoff 1971-8-31 6663 Sonoma Todd Road near Stony Point Road. Comment
  RSA785441  Echinochloa Peter Rubtzoff 1976-8-29 8836 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC176367  Echinochloa crus-galli Peter Rubtzoff 1955-8-7 2031 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC208552  Echinochloa crus-galli G. DeNevers; S. Castagnoli 1981-8-2 1780 Sonoma Mark West Creek, at its confluence with Leslie Creek, Pepperwood Ranch Comment
  UCD148392  Echinochloa crus-galli Peter Rubtzoff 1956-9-15 2901 Sonoma Atascadero Creek Marsh. Comment
  SEINET11690150  Echinochloa crus-galli W. Knight, Knight, I.; Howell, J. T. 1987-1 6283 Sonoma Llano Road between Gravenstein Hwy & Todd Road near sewage plant 20 Comment
  UCD60945  Echinochloa crus-pavonis Virginia Bufford 1935-9-8 79 Sonoma Pitkins Yard, Vine Hill District. Comment
  CHSC59374  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay, Bay Flat Road, near Clark Marsh. Roadside. Comment
  UCD150856  Elatine brachysperma Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC113728  Eleocharis acicularis Peter Rubtzoff 1955-4-23 1778 Sonoma Bennett Mt. Lake. Comment
  CAS-BOT-BC112980  Eleocharis macrostachya Catherine Best 1981-8-22 s.n. Sonoma At the pond about 2 miles morth of Occidental on Stoetz Lane Comment
  CAS-BOT-BC112663  Eleocharis parvula Peter Rubtzoff 1973-9-15 7329 Sonoma Lower Salmon Creek Marsh. Just east of Hwy 1. Comment
  CAS-BOT-BC112664  Eleocharis parvula Peter Rubtzoff 1962-8-3 5026 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC112181  Eleocharis radicans Peter Rubtzoff 1951-9-2 702 Sonoma Southern half of Lower Marsh. Comment
  CAS-BOT-BC112192  Eleocharis radicans Peter Rubtzoff 1951-9-2 703 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112197  Eleocharis radicans Peter Rubtzoff 1970-7-17 6288 Sonoma 5 mi north of Dears Point. Comment
  RSA227199  Eleocharis radicans Peter Rubtzoff 1960-6-5 4440 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC257701  Eleocharis rostellata Peter Rubtzoff 1973-9-9 7321 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC213786  Elymus X hansenii G. DeNevers; M. Harding 1981-7-11 1743 Sonoma Pepperwood Ranch Franz Valley Road Comment
  SEINET266626  Elymus glaucus P. G. Connors 1990-6-4 25 Sonoma Bodega Head. Comment
  UCD15828  Elymus glaucus J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  UCD160975  Elymus glaucus James A. Neilson Jr. 1975-7-8 3408 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  SEINET11687494  Elymus glaucus W. Knight, Knight, I.; Edwards, S. 1986-1 5326 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  UCD62363  Elymus glaucus subsp. glaucus 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-BC203706  Elymus glaucus subsp. glaucus K. Wagnon 1939-5-20 209 Sonoma Along road by Santa Rosa Airport Comment
  UC1023607  Elymus glaucus subsp. virescens Virginia Bufford 1936-5-1 172 Sonoma Larkspur Rock Bodega Canyon Comment
  CAS-BOT-BC162054  Elymus lanceolatus subsp. lanceolatus R. D. Stone 1983-6-14 543 Sonoma Headwaters of Squaw Creek drainage near ridgeline, ca. 1.2 mile northwest of Geyser Rock. 1021 Comment
  CAS-BOT-BC376326  Elymus stebbinsii Greg de Nevers 1993-8-7 10479 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC166620  Epilobium canum subsp. canum Walter Knight; Irja Knight 1963-9-15 237 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC268054  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1692 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC262958  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-23 1977 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC290593  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-6-21 4946 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC262800  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UCD167421  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  JEPS82256  Epipactis gigantea Roger Raiche 1983-8-6 30579 Sonoma headwaters of Big Austin Creek (The Cedars); , Big Austin Creek 457 Comment
  JEPS82530  Epipactis gigantea Roger Raiche 1984-5-19 40162 Sonoma n Cazadero; The Cedars, headwaters of Big Austin Creek 243 Comment
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Oct 16 2007
  UC1585376  Epipactis gigantea R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 3 Sonoma On Skaggs Springs-Stewarts Point Rd. 6.9 km w Soda Springs (e of Stewarts Point, along river); Gualala River Comment
  SEINET12078270  Epipactis gigantea Unknown 1986-1 60215 Sonoma N of Cazadero, The Cedars, headwaters Big Austin Creek, near Laton Mine 244 Comment
  RSA784481  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165327  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
  UCD148435  Equisetum X ferrissii Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  UCD19307  Equisetum arvense Terry Reedy 1974-5-11 208 Sonoma Bodega Head, in freshwater marsh in standing water. 6 Comment
  UC211449  Equisetum hyemale subsp. affine Michener and Bioletti Mar, 1893 Sonoma Hood's Peak Comment
  UC810320  Equisetum laevigatum K. Wagnon 1940-3-29 237 Sonoma nw corner Santa Rosa Jr. College Campus (along Eliot Ave.) Comment
  CAS-BOT-BC164076  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  UCD135527  Equisetum laevigatum Frederica Bowcutt 1994-6-12 1894 Sonoma About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  JEPS79542  Equisetum telmateia subsp. braunii Edward Lee with W. A. Setchell 1936-6-7 2174 Sonoma Trail No. 10 Bohemian Grove Comment
  UC810419  Equisetum telmateia subsp. braunii L. Koch 1938-5-24 58 Sonoma 2 mi e Glen Ellen (canyon off Rutherford Rd.) Comment
  UCD135711  Equisetum telmateia subsp. braunii Mary M. Hektner 1976-12-15 281 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA511283  Equisetum telmateia var. braunii F. Sibal 1965-5-29 338 Sonoma Hwy 1 between Anchor Bay and Gualala. 152 Comment
  CAS-BOT-BC182758  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Comment
  UC53415  Eragrostis hypnoides Jos. Burtt Davy July 1896 Sonoma Russian River Comment
  CAS-BOT-BC204642  Eragrostis mexicana subsp. virescens David L. Morgan 1960-6-22 s.n. Sonoma Watkins Ranch, 1/2 mi. NW of Penngrove on Redwood Highway Comment
  UCD36512  Eragrostis pectinacea Beecher Crampton 1953-11-18 1736 Sonoma Sonoma County, 10 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC164641  Erechtites minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa, east of Cunningham near Llano Road). Comment
  CAS-BOT-BC164648  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  RSA169314  Eremocarpus setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 miles NE of Penngrove. 427 Comment
  UC615573  Eremocarpus setiger Beryl O. Schreiber 1933-8-10 925 Sonoma 3 mi s Kenwood Comment
  UCR255058  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS35239  Erigeron biolettii W. L. Jepson 1933-8-1 16551 Sonoma very dry hills near Agua Caliente Comment
  UCSB50241  Erigeron glaucus Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6n R11W 18 Comment
  UC2043165  Erigeron serpentinus Barbara Ertter with R. Raiche, J. R. Shevock, R. Bittman, H. Forbes, M. Skinner et al.. 1994-6-23 12851 Sonoma The Cedars serpentine area at head of Big Austin Creek north of Cazadero, ca. 20 air km due W of Healdsburg. Comment
  UCD132075  Erigeron sumatrensis G. F. Hrusa 1996-3-29 12737 Sonoma area at end of Neeley Road. 2 m. south of Guerneville and 3 m. north of Bohemian Grove on Russian River. 140 Comment
  CAS-BOT-BC300306  Erigeron supplex A. G. Vestal 1937-6-18 s.n. Sonoma 1.7 mi n. of Stewarts Point P. O. Comment
  JEPS128205  Eriodictyon californicum Roger Raiche 2000-4-30 055 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS78826  Eriodictyon californicum Edward Lee 1936-6-7 2185 Sonoma South ridge Fire Trail Bohemian Grove Comment
  RSA339415  Eriogonum cedrorum Roger Raiche 1984-6-23 40235 Sonoma The Cedars, north of Cazadero, headwaters of East Austin Creek, area called Red Slide. 549 Comment
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Oct 17 2013
  CAS-BOT-BC259255  Eriogonum latifolium H. L. Mason 1928-7-10 4885 Sonoma Jenner Comment
  CAS-BOT-BC259259  Eriogonum latifolium John Thomas Howell 1930-6-8 5288 Sonoma 8.5 miles n. of Bodega Bay Comment
  POM180770  Eriogonum latifolium J. T. Howell 1930-7-27 5414 Sonoma Exposed ocean bluff, 4 miles N of Bodega Bay. Comment
  UCD100333  Eriogonum latifolium Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-22 53 Sonoma Unit 17 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC1093645  Eriogonum luteolum var. luteolum Herbert L. Mason 1946-7-4 12899 Sonoma 2 mi e Occidental Comment
  UC85726  Eriogonum luteolum var. luteolum Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC270975  Eriogonum nervulosum Roger Raiche 1984-6-23 43234 Sonoma The Cedars, N. of Cazadero on King Ridge Road, headwaters Big Austin and East Austin Creeks, near Red Slide, E. Augstin Creek 548 Comment
  RSA181898  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine, Austin Creek. Comment
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Oct 12 2013
  CAS-BOT-BC270979  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine, Austin Creek Comment
  UCD100603  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC262334  Eriogonum vimineum R. D. Stone; G. Clifton 1983-6-16 552 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  CAS-BOT-BC300959  Eriophyllum lanatum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UCD160898  Eriophyllum lanatum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3286 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, east Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC301151  Eriophyllum lanatum var. achilleoides F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch Comment
  CAS-BOT-BC301158  Eriophyllum lanatum var. achilleoides Peter Rubtzoff 1952-6-1 1131 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  CDA4966  Eriophyllum lanatum var. achilleoides T. C. Fuller 1960-6-14 4487 Sonoma Italian Swiss Colony, Asti. 0 Comment
  CAS-BOT-BC301286  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1964-6-3 64057 Sonoma N. end of Bodega Bay 6 Comment
  POM256520  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma Jansen Ranch, at head of Dohrman Creek, four miles west of Healdsburg Comment
  HSC8466  Erodium botrys D. Sutherland, A. Sylvester, R. Spellenberg 1343 Sonoma Road along Sulphur Creek, about 7 mi. W of the Big Geysers Comment
  CDA34797  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  CDA28602  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 C Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  POM259749  Eryngium aristulatum var. aristulatum Alice Eastwood, John Thomas Howell 1936-5-19 2510 Sonoma 2 miles north of Windsor Comment
  UCD150837  Eryngium armatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  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
  SD40057  Erythranthe grandis Edith A. Purer 1932-7-24 4087 Sonoma Near Bodega Bay, moist place in sand dunes Comment
  RSA304233  Erythronium californicum James R. Shevock 1972-3-28 1484 Sonoma Highway 128, north of Cloverdale. 244 Comment
  CAS-BOT-BC133296  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 609 Comment
  OBI69875  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 51 Sonoma 25200 Asti Rd between Cloverdale & Gyserville Comment
  CAS-BOT-BC202766  Euonymus occidentalis H. E. McMinn 1922-6-7 190 Sonoma Above Monte Rio Comment
  CDA33321  Euphorbia oblongata A Smith/ S. Ostrom 2010-4-26 PDR# 1586212 Sonoma Santa Rosa; Empire 1 Nursery, 3747 Guerneville Road. 0 Comment
  CDA14276  Euphorbia oblongata P. Lane 1998-6-18 s.n. Sonoma North Coast; Sea Ranch, 42000 Hwy 1 near Jenner. Comment
  CDA34798  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, about 2 NW of Cloverdale. Comment
  UC126706  Eurybia radulina Geo. R. Hall 1906-10-14 Sonoma Guerneville Comment
  SEINET11842305  Euryops pectinatus W. Knight, Knight, I.; Knight, T. 1984-1 5035 Sonoma Petaluma, K-Mart Comment
  CAS-BOT-BC354322  Euthamia occidentalis Peter Rubtzoff 1960-9-17 4560 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  JEPS26040  Euthamia occidentalis Lewis S. Rose 1960-9-14 60094 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 Comment
  JEPS32366  Euthamia occidentalis W. L. Jepson 1921-9-12 9484 Sonoma south side of Alexander Valley Alexander Valley 45 Comment
  UCR255523  Euthamia occidentalis Peter Rubtzoff 1956-9-15 2915 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC239715  Fabaceae Peter Rubtzoff; Nancy Harrison 1974-5-26 7472 Sonoma Vernal pool on Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC239719  Fabaceae Peter Rubtzoff 1973-8-20 7242 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente Comment
  CAS-BOT-BC239721  Fabaceae Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 mile north of Cazadero Comment
  CAS-BOT-BC239728  Fabaceae Peter Rubtzoff 1971-5-8 6438 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road 0.9 mile west of Arnold Drive Comment
  SEINET10567265  Festuca A. Arthur Heller 1902-5-27 Heller 5611 Sonoma Bodega Bay. Comment
  UCR248729  Festuca arundinacea Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCR248730  Festuca arundinacea Peter Rubtzoff 1962-5-5 4807 Sonoma North Coast Range, Fife Creek Marsh Comment
  UC576335  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mi sw Petrified Forest; Calistoga Quad. 274 Comment
  UCD65942  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma 5 miles W of Sebastopol. Comment
  UC1024771  Festuca occidentalis Leo Whitney 1935-4-14 2257 a Sonoma near Occidental Comment
  UCD66116  Festuca occidentalis Beecher Crampton 1955-6-17 2926 Sonoma State Hwy. 12, 1.6 miles west of Forestville. Comment
  UCD66175  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-14 13534 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  UCD66260  Festuca roemeri H. S. Yates 1937-5-30 6544 Sonoma 3 miles NW of Graton. 60 Comment
  JEPS45826  Festuca rubra Eleanor Armstrong 1932-5-25 177 Sonoma 0.5 mi s Camp Meeker 121 Comment
  CHSC1546  Fragaria chiloensis A. Small 1964-6-12 Sonoma Doran Park. 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-BC218580  Fraxinus latifolia A. A. Heller; H. E. Brown 1902-3-24 5140 Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC218581  Fraxinus latifolia Walter Knight; Irja Knight 1963-10-27 446 Sonoma Spring Mt. Road Comment
  SEINET11993687  Fremontodendron californicum subsp. napense Unknown 1984-1 RR 40133 Sonoma N of Guerneville Morrison Ridge above Gilliam Creek, Austin Creek Recreational Area 183 Comment
  CHSC22970  Fritillaria affinis Robert A. Schlising; Et al. 1962-3-31 2126 Sonoma Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  JEPS62312  Fritillaria affinis Milo S. Baker 1942-3-27 Sonoma Bodega Bay Comment
  UCD168039  Fritillaria affinis James A. Neilson Jr. 1981-3-13 3992 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC130453  Fritillaria purdyi Milo S. Baker 1927-4-23 2207 a Sonoma Mt. St. Helena Comment
  CAS-BOT-BC130454  Fritillaria purdyi Milo S. Baker 1927-4-22 s.n. Sonoma Mt. St. Helena 853 Comment
  JEPS55676  Fritillaria recurva Wayne Roderick 1968-3-24 Sonoma Cavedale Road 274 Comment
  JEPS61784  Fritillaria recurva Wayne Roderick 1967-4-28 Sonoma 1 mi w of Hoods Peak (Charles Newman property) Comment
  CAS-BOT-BC508139  Fritillaria recurva John Thomas Howell 1934-3-26 11782 Sonoma Southwestern base of Mt. Hood Comment
  JEPS52888  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3910 Sonoma 1.7 mi n Fort Ross (on bluff overlooking ocean) Comment
  HSC19809  Galium californicum subsp. californicum Lauramay T. Dempster, G. L. Stebbins 1963-8-12 3907 Sonoma Hwy. 1, 4.1 mi. S of Stewart's Point Comment
  SEINET12271023  Galium divaricatum Unknown 1940-1 1014 Sonoma behind Fountaingrove Vneyard 3 mi N of Santa Rosa along Hwy 101 Comment
  UCD121928  Galium tricornutum R. N. Raynor 1939-1-14 s.n. Sonoma location unknown. Comment
  UC424793  Galium triflorum Milo S. Baker 1930-6-6 4157 Sonoma roadbank to West Occidental to Freestone Hiway Comment
  CAS-BOT-BC303495  Gamochaeta ustulata G. DeNevers 1981-5-30 1360 Sonoma Above Pippindale Pond Comment
  CAS-BOT-BC303499  Gamochaeta ustulata John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC199068  Garrya elliptica Greg de Nevers 1987-7-10 8238 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1122675  Garrya flavescens J. B. Spring 1932-7-7 98 Sonoma 2/5 mi sw Veeder Mountain; Napa Quad. 609 Comment
  CAS-BOT-BC182165  Garrya fremontii James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  UC353921  Garrya fremontii Milo S. Baker Jan 1928 3235 b Sonoma Hope Valley; n of Barber place Comment
  CAS-BOT-BC278686  Gastridium phleoides G. DeNevers 1981-5-15 1203 Sonoma Pepperwood Ranch. Shore of Hansel's Lake Comment
  CAS-BOT-BC320464  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh. Comment
  UCD160843  Genista monspessulana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3375 Sonoma Section 10, One-quarter mile west of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker) 457 Comment
  UCD103335  Geranium dissectum Adam Green 1994-5-1 1784 Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. S of Sonoma Creek about 125 yards 1/4 mile NW of confluence with Rattlesnake Creek, meadow in center of campground. Comment
  UC1130338  Geranium molle H. S. Yates 1934-4-21 3823 Sonoma near Duncan Mills; Duncan Mills Quad. 60 Comment
  UC867472  Geranium molle Milo S. Baker 1935-5-12 8037 Sonoma 1 mi e Bodega Bay (near highway at Larkspur Rock) Comment
  SEINET12183466  Geranium molle F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -181 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  CAS-BOT-BC225280  Gilia capitata subsp. chamissonis John Thomas Howell 1930-6-8 5272 Sonoma North end of Bodega Bay Comment
  UC1753845  Gilia capitata subsp. tomentosa Annetta M. Carter 1947-5-30 1842 Sonoma 2 mi. E of Occidental. Comment
  SEINET4854749  Gilia pallida A. A. Heller 1902-6-23 5739 Sonoma Petrified Forest. Comment
  UCD136282  Gilia tricolor M. Rei Scampavia Evangelista 2012-5-4 1 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, specimens were collected from the gated clearing north of Pepperwood Road, along a cattle fence. 252 Comment
  CAS-BOT-BC266522  Githopsis diffusa Peter Rubtzoff 1957-5-26 3354 Sonoma Near Occidental - Graton road, 2.7 miles E of Occidental Comment
  JEPS78761  Githopsis specularioides L. R. Heckard with Michael Morris 1976-4-26 4231 Sonoma n of Guerneville (along n side of Gilman Creek, near road running nw of Vista Point and Redwood Lake (ca 0.75 mi from there)); Armstrong Redwoods State Park, Gilman Creek 182 Comment
  UC22424  Glaux maritima J. Burtt Davy 1897-9-19 4060 Sonoma Petaluma Comment
  OBI48604  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  SD88302  Glebionis segetum Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  CAS-BOT-BC303750  Glebionis segetum Robert M. King 1980-7-8 8411 Sonoma Generally 2 miles N of Bodega Bay Comment
  RSA786493  Glyceria declinata Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy 116. Comment
  RSA786496  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  UCR282046  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh 269 Comment
  HSC100882  Glyceria leptostachya Peter Warner 2011-8-18 232 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh in channel, ~50 m S of N edge of parcel, below off-site water impoundment. 42 Comment
  UCR244673  Glyceria occidentalis Peter Rubtzoff 1968-8-24 5935 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC166703  Gnaphalium chilense Peter Rubtzoff 1962-9-9 5081 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC166916  Gnaphalium chilense Peter Rubtzoff 1962-6-21 4936 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC166748  Gnaphalium chilense Peter Rubtzoff 1963-9-28 5281 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC176150  Gnaphalium chilense Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC166782  Gnaphalium palustre Peter Rubtzoff 1969-10-29 6202 Sonoma River Road, 3 miles west of Fulton. Comment
  CDA6005  Gnaphalium purpureum T. C. Fuller 1958-5-24 3985 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA0004473  Godetia amoena var. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mile east of Glen Ellen. 30 Comment
  UC429316  Goodyera oblongifolia Franklin P. Nutting Sonoma Taylor Creek; Western Middle California, Taylor Creek Comment
  CAS-BOT-BC251226  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD148466  Grindelia camporum Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC305166  Grindelia hirsutula Walter Knight; Irja Knight 1963-9-1 315 Sonoma Asti Comment
  CAS-BOT-BC305181  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  CAS-BOT-BC305188  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point road Comment
  CAS-BOT-BC305197  Grindelia hirsutula John Thomas Howell 1929-6-30 4318 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  JEPS41910  Grindelia hirsutula W. L. Jepson 1931-7-19 15949 Sonoma sea bluffs just n Salmon Creek Comment
  JEPS41926  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  CAS-BOT-BC305192  Grindelia hirsutula Walter Knight; Irja Knight; Tiffany Knight 1985-7-21 6349 Sonoma Pine Flat Road. Between Jimtown and Geothermal area Comment
  CAS-BOT-BC123708  Grindelia hirsutula var. hirsutula John Thomas Howell 1930-7-13 5338 Sonoma 8 miles W of Petaluma on Bodega Road Comment
  CAS-BOT-BC262951  Helenium puberulum Peter Rubtzoff 1968-7-20 5927 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC262985  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC262989  Helenium puberulum Peter Rubtzoff 1970-9-3 6372 Sonoma Marsh, off west side of Highway 1, 0.7 miles southeast of Salmon Creek Crossing. Comment
  POM54893  Helenium puberulum A. A. Heller 1902-7-1 5795 Sonoma Lagoon at Sebastopol Comment
  RSA800290  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA800483  Helenium puberulum Peter Rubtzoff 1955-7-31 2014 Sonoma Forestville Marsh. Comment
  UCD151000  Helianthella californica D. S. Park; S. Nicole 2010-5-11 79 Sonoma Bodega hwy. Comment
  CAS-BOT-BC305580  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  CAS-BOT-BC305966  Helminthotheca echioides Alice Eastwood 1921-7-20 10619 Sonoma On road between Cotati and Santa Rosa Comment
  UCD164995  Hemizonia Peter Rubtzoff; Nancy harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCD165138  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD166135  Hemizonia Peter Rubtzoff 1969-5-11 6031 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  UCD166251  Hemizonia Peter Rubtzoff 1970-8-5 6301 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC257687  Hemizonia Peter Rubtzoff 1962-7-28 5009 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano 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
  CAS-BOT-BC371471  Hemizonia congesta Greg de Nevers 1993-8-7 10483 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa near barn 400 Comment
  UCD167319  Hemizonia congesta James Neilson 1977-6-7 3911 Sonoma Mayacmas Mountains, Locke Cabin area east of Lunar Point. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR45079  Hemizonia congesta L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  POM261036  Hemizonia congesta Alice Eastwood, J. T. Howell 1936-7-4 3822 Sonoma 2 miles N of Windsor. Comment
  CAS-BOT-BC306230  Hemizonia congesta subsp. congesta H. M. Hall 1916-6-23 10241 Sonoma Twelve km. northwest of Petaluma Comment
  UC134571  Hemizonia congesta subsp. congesta Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
Read comments
Jun 26 2010
  CAS-BOT-BC309699  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309723  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2652 Sonoma 1/2 mi. S. of Jenner Comment
  CAS-BOT-BC309724  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 miles south of Jenner, on the Bodega road Comment
  UC584180  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 mi s Jenner (on the Bodega road) Comment
  UC990620  Hemizonia congesta subsp. lutescens James I McMurphy 1909-8-9 710 Sonoma Hills between Sonoma and Petaluma Comment
  CAS-BOT-BC309695  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 Sonoma About a mi. W of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309705  Hemizonia congesta subsp. lutescens Catherine Best 1981-8-22 s.n. Sonoma Morelli Lane about 2 miles northeast of Occidental Comment
  CAS-BOT-BC309709  Hemizonia congesta subsp. lutescens James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  CAS-BOT-BC309710  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay 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
  HSC5815  Hemizonia congesta subsp. luzulifolia L. S. Rose 1964-8-26 64064 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  SD239596  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges: west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12. 328 Comment
  UC1199371  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1935-8-18 14744 Sonoma Knights Valley North Coast Ranges, Knights Valley 152 Comment
  UC495618  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1930-9-1 9173 Sonoma Knight's Valley North Coast Ranges Comment
  CAS-BOT-BC309962  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-7 699 Sonoma Callistoga [Calistoga] Road, 7 miles from Santa Rosa Comment
  SEINET11842958  Hemizonia lutescens F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -242 Sonoma end of Stoetz Road 200 Comment
  RSA169312  Hemizonia luzulifolia L. S. Rose 1964-8-26 64064 Sonoma 6.5 miles NE of Penngrove. 427 Comment
  RSA81564  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-8-9 714 -A Sonoma 4.5 miles S of Santa Rosa. Comment
  RSA81677  Hemizonia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Sonoma Calistoga Warm Springs. Comment
  CDA38362  Heracleum lanatum T. C. Fuller 1957-9-16 414 -57 Sonoma Jenner. 0 Comment
  UCD127530  Heracleum maximum Michelle Mahoney 1965-5-22 34 Sonoma On old Fire Road off Highway 116, Hacienda Park. 91 Comment
  CAS-BOT-BC310216  Hesperevax sparsiflora var. sparsiflora G. DeNevers 1981-4-25 834 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  SD175774  Hesperocyparis sargentii D. G. Kelch 2006-6-24 06 323 Sonoma On serpentine along Harrison Grade. 167 Comment
  RSA63651  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma Southwest slope of Hood Mt. above Baker ranch. 213 Comment
  UC1212428  Hesperolinon micranthum Herbert L. Mason 1946-7-4 12895 Sonoma 2 mi e Occidental (on Harrison Grade); Inner North Coast Ranges Comment
  UCD110543  Hesperolinon micranthum Herbert L. Mason 1946-7-4 12895 Sonoma Two miles east of Occidental on Harrison Grade. Comment
  UCD110535  Hesperolinon micranthum Frederica Bowcutt 1994-5-21 1817 Sonoma About 40 air miles N of San Francisco; ~ 11 air miles E of Santa Rosa; ~ 18 air miles NW of Napa; ~ 1.5 air miles NE of Kenwood. Along the Meadow Trail ~3/4 mile from the trail head, east from trail up ~ 100 yds. 411 Comment
  UC762262  Hesperolinon spergulinum R. F. Hoover 1942-7-6 5913 Sonoma ridge s The Geysers Comment
  UCD110528  Hesperolinon spergulinum Frederica Bowcutt 1994-6-24 1882 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. 396 Comment
  UCSB11578  Hesperolinon spergulinum Dearing, Hugh; Dearing, Margaret 1939-5-15 Sonoma Italian Swiss Colony Comment
  CAS-BOT-BC149832  Heteromeles arbutifolia Peter Rubtzoff 1952-6-15 1268 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC149837  Heteromeles arbutifolia W. R. Dudley 1895-2-1 s.n. Sonoma Mt. St. Helena 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
  CAS-BOT-BC311060  Heterotheca oregona var. oregona Volney Rattan 1877-6-13 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC311074  Heterotheca oregona var. rudis Walter Knight; Irja Knight 1963-9-1 308 Sonoma 1 mi from US 101 on Sulphur Creek Rd - Cloverdale Comment
  UC496422  Heuchera micrantha var. erubescens Merle Randall 1930-6-7 Sonoma Redwood Forest Comment
  RSA0063008  Heuchera pilosissima Ella Dales Cantelow 1938-5-7 2402 Sonoma 4.5 miles W of Bodega. Comment
  CDA12021  Hierochloe occidentalis G. F. Hrusa 1990-3-29 7602 Sonoma North Coast Biodiversity Arena; Stewarts Pt. Road approx. 1 m. E of Hwy. 1. Comment
  SEINET12164293  Hoita macrostachya W. Knight, Knight, I. 1984-1 5051 Sonoma 3 mi up Cavedale rd from Hwy 12 growing in web area at spring Comment
  OBI78066  Hoita orbicularis Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood 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-BC280786  Holcus lanatus G. DeNevers 1981-5-30 1364 Sonoma Pepperwood Ranch. Shore of Pippindale Pond Comment
  CAS-BOT-BC280803  Holcus lanatus Marcus E. Jones 1882-7-18 3546 Sonoma Duncan's Mills Comment
  UCD84904  Holcus lanatus Peter Kamb; Francia Chisaki 1950-6-16 1856 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  UCD84980  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 miles SE of Forestville. 30 Comment
  POM139648  Holodiscus discolor Willie Randall 1898-06 607 Sonoma Near Sebastopol. Comment
  JEPS120286  Holodiscus dumosus var. cedrorum Barbara Ertter with R. Raiche, J. Shevock, R. Bittman, et al. 1994-6-23 12850 Sonoma The Cedars serpentine area at head of Big Austin Creek N of Cazadero, ca 20 airmiles due W of Healdsburg, along south side of creek Comment
  UC990581  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  CAS-BOT-BC289295  Hordeum brachyantherum subsp. brachyantherum G. DeNevers 1981-5-9 1025 Sonoma At the Red Corral, McCann Homestead, Pepperwood Ranch Comment
  UC50658  Hordeum brachyantherum subsp. brachyantherum A. B. Leckenby 1896-6-9 Sonoma Petaluma Comment
  CAS-BOT-BC285188  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-5-16 5601 Sonoma 2 miles southeast of Forestville 30 Comment
  CAS-BOT-BC285192  Hordeum marinum subsp. gussoneanum David L. Morgan 1956-5-13 s.n. Sonoma 2.5 miles west of Petaluma on the I Street extension road Comment
  CAS-BOT-BC285197  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1960-5-18 4374 Sonoma Bodega Head Marsh Comment
  UCD85931  Hordeum murinum subsp. leporinum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3557 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCD86247  Hordeum murinum subsp. leporinum Gerry North 1993-4 2 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  CAS-BOT-BC146520  Horkelia tenuiloba Milo S. Baker 1928-6-28 3197 a Sonoma Pitkins Farm on upland Vine Hill District Comment
  CAS-BOT-BC401000  Hypericum anagalloides Peter Rubtzoff 1960-9-17 4563 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  SEINET11993380  Hypericum concinnum W. Knight, Knight, I.; Edwards, S. 1986-1 5342 Sonoma Along trail to summit of Geyser Peak 853 Comment
  CAS-BOT-BC401323  Hypericum scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC401324  Hypericum scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC316686  Hypochaeris glabra Greg de Nevers 1987-4-25 8157 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC319045  Hypochaeris glabra Peter Rubtzoff 1953-11-1 1429 Sonoma Vacation Beach near Guerneville, Russian River Comment
  UC725311  Iris douglasiana A. A. Heller 1940-5-10 15605 Sonoma e of Stewart Point (near the Gualala River crossing) Comment
  SD56828  Iris douglasiana Darley F. Howe 1963-5-23 Sonoma 4.5 miles north of Cloverdale. 366 Comment
  UCD138707  Iris douglasiana Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 40 A Sonoma Unit 2 Owners' Map, Sea Ranch. Comment
  JEPS88860  Iris fernaldii Carol A. Wilson 1992-4-18 92 -ph4 Sonoma 0.6 mi from East Mark Springs Dr. junction with Old Redwood Hwy. (on East Mark Springs Dr, near Petrified Forest, ne of of Santa Rosa) Comment
  CAS-BOT-BC354327  Iris longipetala Peter Rubtzoff 1957-9-1 3526 Sonoma Duncans Mills, near Orrs Creek between Highway 12 crossing and Russian River. Comment
Read comments
Apr 18 2020
  RSA178012  Iris macrosiphon Robert F. Thorne 1965-4-19 34291 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  SEINET7883381 Image available Iris macrosiphon Laura Zeller 1965-1 2 Sonoma Ca. 1.5 miles E of Highway 12 on Cavedale Road 198 Comment
  UCSC000157  Iris macrosiphon Carl Meyer 1928-3-4 326 Sonoma Comment
  CAS-BOT-BC61917  Isoetes nuttallii John Thomas Howell 1935-5-5 12603 Sonoma near Kenwood Comment
  CAS-BOT-BC112416  Isolepis carinata Peter Rubtzoff 1963-5-26 5140 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC112566  Isolepis cernua Peter Rubtzoff 1960-6-9 4485 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  SEINET4170787 Image available Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Just north of Salmon Creek Comment
  CAS-BOT-BC157997  Juncus Peter Rubtzoff 1968-6-25 5908 Sonoma Lichan Marsh Comment
  UCR250390  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh Comment
  CAS-BOT-BC164381  Juncus balticus subsp. ater Peter Rubtzoff 1971-7-9 6595 Sonoma Sonoma: Five miles north of Sears Point Comment
  CAS-BOT-BC173567  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing Comment
  SEINET3877577  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa.; 0 Comment
  UCD141376  Juncus bufonius Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 50 A Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA18034  Juncus bufonius R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena. 0 Comment
  UCD55072  Juncus capitatus Ellen Dean; Tammie Beyerl 2006-4-28 3016 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  CAS-BOT-BC173534  Juncus dubius Peter Rubtzoff 1972-6-27 6792 Sonoma Atascadero Creek Marsh Comment
  RSA94455  Juncus dubius Peter Rubtzoff 1951-7-7 356 Sonoma Pitkin Marsh, near Forestville; Western branch of the upper marsh. Comment
  CHSC105755  Juncus effusus subsp. pacificus Peter F. Zika 2008-7-21 23922 Sonoma San Francisco Bay (SnFrB). E side of Route 116 at Llano Road. 40 Comment
  CAS-BOT-BC164050  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-9-3 6693 Sonoma Sonoma: At edge of springy area along southeastern border of Spring Creek Reservoir Comment
  RSA789173  Juncus effusus subsp. pacificus Peter Rubtzoff 1969-8-14 6136 Sonoma Coleman Marsh. Comment
  UCD141547  Juncus hesperius Mary M. Hektner; Sue Dakizaku 1974-6-3 015 -A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD166109  Juncus kelloggii Peter Rubtzoff 1972-4-23 6732 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC328116  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC329266  Juncus lescurii Peter Rubtzoff 1955-8-20 2068 Sonoma Bodega Harbor Marsh. Comment
  HSC42040  Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay near the ocean Comment
  UCR248954  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh 9 Comment
  UCD19308  Juncus lescurii Terry Reedy 1974-5-11 207 Sonoma Bodega Head, in freshwater marsh. 6 Comment
  JEPS86769  Juncus patens Jack and Betty Guggolz 1990-6-18 1070 Sonoma about 12 km e Healdsburg (bed of Maacamas Creek on the Ferrari-Carano Ranch); Maacamas Creek 70 Comment
  UCR130525  Juncus patens Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  UC903171  Juncus phaeocephalus var. phaeocephalus Ethel Crum 1940-5-26 2113 Sonoma Vine Hill North Coast Ranges, Pitkin Marsh Comment
  CAS-BOT-BC540802  Kickxia Peter Rubtzoff 1987-9-27 9856 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  SEINET10607050  Koeleria macrantha A. Arthur Heller 1902-4-23 Heller 5352 Sonoma Near Sonoma. Comment
  SEINET11688012  Koeleria macrantha F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -232 Sonoma end of Stoetz Road 200 Comment
  UC903716  Koeleria macrantha Milo S. Baker 1947-5-7 11733 Sonoma 2 mi n Kenwood (above house at Maplewood); n of Kenwood Comment
  UC1153919  Koeleria phleoides Beecher Crampton 1957-5-16 4038 Sonoma Hot Springs Road 3 mi sw Cloverdale Comment
  CAS-BOT-BC376338  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  SEINET10589342  Lagurus Alan A. Beetle 1941-7-8 Beetle 2856 Sonoma 1 mile north of Steward Point, open coastal bluffs. Assoc. Sedum, Phacelia. Comment
  SBBG612  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Pt Comment
  SJSU9868  Lagurus ovatus S. H. Casey 1969-5-13 238 Sonoma 3 mi N of Stewarts Point Comment
  UC1146594  Lagurus ovatus Freed W. Hoffman 1944-6-8 2028 Sonoma Cruz Ranch, on coast Comment
  SFV18518  Lamarckia aurea G. Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area. Austin Creek Trail. 177 Comment
  JEPS86749  Lasthenia burkei Jack and Betty Guggolz 1990-5-5 1048 Sonoma n side Piner Road (w of Olivet Road) Comment
  UCD136284  Lasthenia californica M. Rei Scampavia Evangelista 2012-5-4 2 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 260 meters. 408 Comment
  JEPS9909  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Comment
  UC1301066  Lasthenia californica subsp. macrantha Helen K. Sharsmith 1963-5-25 5493 Sonoma just n Bodega head; San Francisco Bay Region 7 Comment
  LA102440  Lasthenia californica subsp. macrantha John C. Roos; 1950-7-22 4867 Sonoma Jenner 30 Comment
  HSC82070  Lasthenia glaberrima Thomas W. Nelson, Jane P. Nelson 1980-5-3 5124 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UC33079  Lasthenia glaberrima H. N. Bolander 1864-1 3981 Sonoma Mark West Creek Comment
  JEPS128224  Lasthenia gracilis Roger Raiche 2000-5-4 058 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CDA34808  Lasthenia gracilis Peter Warner 2010-5-2 154 Sonoma Jenner Headlands, ~100 m 330 deg. N of residence cabin on Willig Extension Dr., in Tank Field. Comment
  POM54302  Lasthenia macrantha subsp. bakeri Katherine Brandegee 1905-6-27 s.n. Sonoma From Bodega to Bodega Bay, on west side of stream, crossed by road before turning north Comment
  CAS-BOT-BC370853  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC370854  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  POM54989  Lasthenia minor A. A. Heller, H. E. Brown 1902-4-11 5276 Sonoma Bodega Bay. Comment
  UCD164991  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  UCD106227  Lathyrus hirsutus Frederica Bowcutt 1996-5-24 2164 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. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  CAS-BOT-BC344876  Lathyrus jepsonii Peter Rubtzoff 1958-7-19 3771 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCD106362  Lathyrus latifolius Terri Williamson 1990-5-20 45 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  SEINET956151  Lathyrus polyphyllus Carl B. Wolf 1934-1 5799 Sonoma 6/10 mi. Inland from Stwearts Pt. Redwood forest floor, semishade. Comment
  CAS-BOT-BC361424  Lathyrus sphaericus Greg de Nevers 1996-6-3 10824 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Martin Creek 400 Comment
  UC192638  Lathyrus torreyi J. W. Congdon 1880-5-17 Sonoma Guerneville Comment
  CDA36956  Lathyrus vestitus CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SBBG3372  Lathyrus vestitus H. and M. Dearing 1939-4-28 3219 Sonoma near Fairfax Comment
  UCR222530  Lathyrus vestitus var. ochropetalus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16247 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  JEPS24288  Layia chrysanthemoides G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3973 Sonoma along shallow drainage ditch by State Highway 37 (about .5 mi e of big Bend and .25 mi w of Sonoma Creek crossing); Sonoma Valley 3 Comment
  RSA0001358  Layia chrysanthemoides subsp. maritima Jens Clausen 1935-5-24 1090 Sonoma 6.2 mi. S. of Jenner Comment
  CAS-BOT-BC321739  Layia gaillardioides David D. Keck; J. Clausen 1935-6-15 3379 Sonoma Russian River, 3 mi above mouth. Comment
  UC1073293  Layia platyglossa George B. Rossbach 1955-3-19 547 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  CAS-BOT-BC329305  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  SEINET10461287  Legenere limosa P. Rubtzoff 1969-5-24 Rubtzoff 6051 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  RSA785224  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  CAS-BOT-BC210094  Lemna Peter Rubtzoff 1965-10-10 5653 Sonoma Stony Point Marsh. Comment
  UCD166221  Lemna Peter Rubtzoff 1970-5-30 6253 Sonoma 5 miles north of Sears Point. Comment
  RSA785222  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi NE of Penngrove near Lichan Road. Comment
  UC1019908  Lemna minuscula Peter Rubtzoff 1951-6-17 287 Sonoma Pitkin Marsh near Forestville; Pitkin Marsh Comment
  CAS-BOT-BC210093  Lemna minuta Peter Rubtzoff 1969-7-5 6107 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  CAS-BOT-BC527285  Lemna minuta Peter Rubtzoff 1964-9-3 5492 Sonoma Laguna de Santa Rosa area east of Cunningham near Llano Road Comment
  RSA0025211  Lemna minuta Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh. Comment
  UC1784119  Lepechinia calycina Ethel Crum 1930-7-13 815 Sonoma Mt. St. Helena, S shoulder Comment
  CAS-BOT-BC173645  Lepidium Peter Rubtzoff 1962-8-3 5032 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC371469  Lepidium appelianum Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Highway 37. Comment
  CAS-BOT-BC89741  Lepidium latifolium John Thomas Howell 1966-6-2 41550 Sonoma South of Schellville near Black Point road. Comment
  UC10643  Lepidium latipes Edw. L. Greene Apr 1892 Sonoma Mt. St. Helena Comment
  POM144015  Lepidium nitidum A. A. Heller, H. E. Brown 1902-3-14 5054 Sonoma Near Santa Rosa Comment
  CAS-BOT-BC361344  Leptosiphon harknessii Greg de Nevers 1997-4-24 10968 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC226698  Leptosiphon jepsonii Alice Eastwood; John Thomas Howell 1938-5-15 5508 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC226701  Leptosiphon jepsonii D. E. Breedlove 1983-4-11 58684 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CHSC23090  Leptosiphon parviflorus Robert A. Schlising 1962-3-31 2118 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UCR265096  Leptosiphon parviflorus Ann Howald, Christina Freeman 2015-4-13 3343 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail 362 Comment
  JEPS126509  Lessingia arachnoidea Staci Markos, Jack and Betty Guggolz and Gene Cooley 2001-9-24 210 Sonoma North of Camp Meeker near the Bohemian Highway, Bohemian Ranch, Amaryllis Flat. Comment
  JEPS20604  Lessingia hololeuca J. Burtt Davy 1897-9-18 4031 Sonoma between San Rafael and Petaluma Comment
  JEPS86818  Lessingia ramulosa Jack and Betty Guggolz 1991-8-10 1232 Sonoma growing on creek below reservoir about a mile nnw Camp Meeker; Grub Creek 82 Comment
  RSA0057953  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mouth of Kalfenatchi's(?) driveway. 100 Comment
  JEPS116507  Leymus californicus Peter Warner 2009-6-3 104 Sonoma Poff Ranch, along N unfenced boundary, adjacent to or on Willow Creek (Calif. State Parks Property), upper east Pomo Canyon, along logging road 130 Comment
  RSA0045174  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge. 100 Comment
  RSA216145  Lilaea scilloides Peter Rubtzoff 1961-5-24 4605 Sonoma Upper Stemple Creek Marsh. Comment
  CDA1612  Lilaea scilloides H. F. Kobayashi 1985-2-27 Sonoma Northwest of Graton, Sonoma County 0 Comment
  RSA155423  Lilaea scilloides L. S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa, half mile east of Cunningham. 15 Comment
  RSA176796  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  CAS-BOT-BC130693  Lilium occidentale Peter Rubtzoff 1951-6-7 133 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC130694  Lilium occidentale Peter Rubtzoff 1951-7-28 567 Sonoma Lower part of the Upper Marsh Comment
  JEPS62022  Lilium rubescens Milo S. Baker 1923-7-30 164 Sonoma field near Frederickson; North Coast Comment
  JEPS19605  Limnanthes douglasii W. L. Jepson 1914-4-11 5804 Sonoma Sonoma Valley 35 Comment
  SEINET12183756  Limnanthes douglasii W. Knight, Knight, I.; Johnson, B.; Edwards, S.; Edwards, J. 1990-1 6589 Sonoma Skyway Drive between Airport Drive and Shiloh Road Comment
  RSA74463  Limnanthes douglasii subsp. rosea Milo S. Baker 1947-6-26 11835 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  CAS-BOT-BC45946  Limnanthes vinculans Peter Rubtzoff 1958-5-11 4825 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC45951  Limnanthes vinculans John Thomas Howell 1947-6-5 23233 Sonoma Cunningham Marsh Comment
  UC1042568  Limnanthes vinculans Mrs. A. E. Alexander 1946-4-23 Sonoma between Bodega and Petaluma Comment
  UCD166255  Limosella acaulis Peter Rubtzoff 1970-8-18 6310 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC290635  Linum Peter Rubtzoff 1974-6-2 7522 Sonoma Upper Green Valley Marsh. Comment
  SEINET7067243  Linum bienne A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1 and east of Ocean Cove. Coordinate datum: NAD27. Comment
  UCD110566  Linum bienne William J. Costa 1968-5-18 36 Sonoma Shell Beach, ca. 1.5 air miles south of Jenner. 15 Comment
  HSC100874  Linum trigynum Peter Warner 2011-6-24 220 Sonoma Jenner Headlands property, NW area Above-the-House-Field, W of water trough, S of fence boundary. 273 Comment
  CAS-BOT-BC283281  Lolium multiflorum Walter & Irja Knight; J. T. Howell 1987-5-27 6279 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC283288  Lolium multiflorum Peter Rubtzoff 1951-7-7 380 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  CAS-BOT-BC283297  Lolium multiflorum G. DeNevers 1981-5-30 1352 Sonoma Pepperwood Ranch. On N side of Studio Road at base of hill, near the green Gate Comment
  CAS-BOT-BC283292  Lolium multiflorum David L. Morgan 1960-7-10 s.n. Sonoma 1 mile S of Carmet, State Highway 1, Bodega Coast Comment
  UCD66467  Lolium perenne Beecher Crampton 1957-7-11 4306 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UC1011013  Lolium temulentum Virginia Bufford 1936-5-19 269 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  JEPS81825  Lomatium californicum Edward Lee with W. A. Setchell 1936-6-8 2208 Sonoma Belvedere, Bohemian Grove Comment
  SEINET7067344  Lomatium californicum A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles east of Windsor on Porter Creek Road. Coordinate datum: NAD27. UTM Zone 10, 526145mE, 4266921mN. Comment
  UCR255668  Lomatium caruifolium Greg de Nevers 1998-6-10 11275 Sonoma North Coast Range, Modini Mayacamas Preserves; Pine Flat Road, near end of town of Pine Flat 91 Comment
  POM266014  Lomatium caruifolium Lincoln Constance, Reed Rollins 1942-5-10 2862 Sonoma Sonoma County: 4 miles N of Geyserville. 61 Comment
  SEINET12121702  Lomatium dasycarpum W. Knight, Knight, I.; Edwards, S. 1986-1 5371 Sonoma along trail to summit of Geyer Peak, access from Healdsburg-Geysers Rd 856 Comment
  UC1348892  Lomatium dasycarpum subsp. dasycarpum Robert F. Thorne 1965-4-20 34372 Sonoma ca. 6 mi. n. Sonoma (ca. 4 mi. up Cavedale Rd.) 411 Comment
  JEPS17101  Lomatium macrocarpum W. L. Jepson 1911-4-30 4184 Sonoma Sonoma Valley Comment
  UCD167357  Lomatium marginatum James Neilson 1982-6-8 4079 Sonoma Mayacmas Mountains. East of Castle Rock Springs Camp. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1299237  Lomatium marginatum var. purpureum Freed W. Hoffman 1949-6-5 3212 Sonoma Lincoln Rock, on Lake County--Pine Flat road North Coast Ranges 685 Comment
  RSA74049  Lomatium repostum Anonymous 1947-5-7 11742 Sonoma SE slope of Mt Hood. Comment
  CAS-BOT-BC240643  Lonicera hispidula Peter Rubtzoff 1952-6-13 1253 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC240644  Lonicera hispidula D. E. Breedlove 1980-6-27 44771 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD35660  Lonicera hispidula Beecher Crampton 1959-6-16 5397 Sonoma 1 mile northeast of Freestone. Comment
  UC765586  Lonicera hispidula var. vacillans Robert F. Hoover 1941-6-7 5302 Sonoma Molino-Occidental Comment
  SEINET12329227  Lonicera hispidula var. vacillans W. Knight, Knight, I. 1984-1 5114 Sonoma Gualda Point Regional Park Comment
  UCD160831  Lonicera interrupta James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3365 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC243994  Lonicera involucrata var. ledebourii Alice S. M. McKenzie 1981-2-3 12 Sonoma Russian gulch near road E side of creek, N side of road, Calif Hwy 1 at marker, Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC244001  Lonicera involucrata var. ledebourii Saichi Kawahara 1969-3-31 542 Sonoma 50 yards west of Jenner Comment
  CAS-BOT-BC244008  Lonicera involucrata var. ledebourii Peter Rubtzoff 1952-3-23 898 Sonoma North of the Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC244013  Lonicera involucrata var. ledebourii Peter Rubtzoff 1957-6-28 3385 Sonoma Duncan Mills Marsh Comment
  RSA0020335  Lotus Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh. 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
  HSC98248  Lotus formosissimus James Faro 1962-4-22 3 Sonoma Ocean Cove Ranch, 4 mi. N of Fort Ross on Hwy. 1 Comment
  UC207659  Lotus grandiflorus Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  HSC98263  Lotus humistratus S. N. Wiemeyer 1962-4-20 29 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  POM27250  Lotus humistratus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  UC400143  Lotus purshianus var. purshianus Ynes Mexia 1929-6-2 2392 Sonoma near Mark West Springs Comment
  UC15539  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hoods Peak Comment
  UC424766  Lotus stipularis var. stipularis Milo S. Baker Jun 1929 3573 b Sonoma near Vine Hill School House Comment
  POM18957  Lotus unifoliolatus A. A. Heller 1902-8-18 7453 Sonoma Santa Rosa. Comment
  SEINET3694616 Image available Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma North of Bodega Bay 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
  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
  UCD66028  Ludwigia hexapetala B. J. Grewell 2006-8-25 06- 53 -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 across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 Comment
  CAS-BOT-BC251191  Ludwigia palustris Peter Rubtzoff 1956-9-15 2914 Sonoma Atascadero Creek Marsh. Comment
  RSA791567  Ludwigia peploides Peter Rubtzoff 1958-7-26 3807 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC201287  Lupinus Charles Piper Smith 1947-6-19 47526 Sonoma Mark West Road near Petrified Forest Comment
  CAS-BOT-BC201291  Lupinus Charles Piper Smith 1947-6-25 47572 Sonoma Highway 1, Stewarts Point, 7.6 miles south Comment
  SEINET7042675 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC1299684  Lupinus adsurgens Freed W. Hoffman 1949-6-5 3218 Sonoma summit of road leading from Lake County to Pine Flat; North Coast Ranges, rd fr Lake County to Pine Flat 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
  UCD105898  Lupinus albifrons D. E. Breedlove 1963-6-22 5303 Sonoma 2 miles NW of Cloverdale on Calif. Hwy. 128. Comment
  CAS-BOT-BC195975  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48161 Sonoma Junction Melitta-Mark West-Petrified Forest roads - Petrified Forest, 0.7 miles south Comment
  CAS-BOT-BC195979  Lupinus albifrons var. albifrons Alice Eastwood 1893-4-27 s.n. Sonoma Hood Mt. Comment
  UCD106018  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western Base of Mt. Hood Comment
  UCD151311  Lupinus albifrons var. collinus James A. Neilson Jr. 1974-4-30 2727 Sonoma Mayacmas Mountains. Geyser-Healdsburg Road, 1/2 mile north of Culver Baer Mine. (Elevation estimated by label-maker using topo map.) 853 Comment
  RSA0070145  Lupinus arboreus Daisie Huang 2006-5-30 06053016 Sonoma Bodega Marine Laboratory. In parking lot. 3 Comment
  HSC14798  Lupinus bicolor R. Spellenberg, D. Sutherland, , A. Sylvester 1966-3-26 1338 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Rd. Comment
  UC1197261  Lupinus bicolor Joseph P. Tracy 1933-5-1 12127 Sonoma Knight's Valley 152 Comment
  HSC14954  Lupinus bicolor S. N. Wiemeyer 1932-4-13 12 Sonoma 2.1 mi. N of jct. of Calistoga Rd. and Hwy. 12 274 Comment
  SEINET12165191  Lupinus bicolor F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -178 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  CAS-BOT-BC187858  Lupinus chamissonis Alice Eastwood; John Thomas Howell 1939-4-2 7362 Sonoma Larkspur Rock Comment
  SEINET10485229  Lupinus densiflorus var. crinitus Conrad V. Morton 1947-7-31 Morton 11983 Sonoma Near jenner. Comment
  SEINET12165200  Lupinus densiflorus var. palustris F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -224 Sonoma Valley Ford, junction of CA 1 & Valley Ford-Freestone highway, along Ebabias Creek 30 Comment
  UC1482880  Lupinus formosus M. L. Conrad, Dunn, and LeDoux 1973-6-9 7079 Sonoma 0.6 mi west of Sonoma-Napa County Line on Highway 121. 60 Comment
  SEINET10903859  Lupinus formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7084 Sonoma On n-facing grassy clay bank, .6 mi w of sonoma-napa co line on hwy 121. 61 Comment
  UC1084419  Lupinus formosus var. formosus G. Thomas Robbins 1937-5-23 184 Sonoma between Santa Rosa and Sebastopol near Wright School Comment
  UC130321  Lupinus latifolius var. latifolius Miss Alice King Apr. 1897 Sonoma Healdsburg Comment
  CDA27500  Lupinus microcarpus var. densiflorus T. C. Fuller 1966-6-2 14858 Sonoma East side of Pacific Coast Highway 1, 0.2 mile south of junction with Petaluma-Valley Ford Road, 1 mile east of Valley Ford. 0 Comment
  OBI81777  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1418 Sonoma Roadside, D St. (Petaluma-Reyes Rd) 1.4 mi S Petaluma Blvd in Petaluma Comment
  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
  UC865139  Lupinus microcarpus var. microcarpus W. Bridge Cooke 1942-7-5 16354 Sonoma along State Route 1, s Fort Ross; s of Fort Ross Comment
  UCD108851  Lupinus microcarpus var. microcarpus Freed W. Hoffman 1947-4-18 664 Sonoma roadside one mile north of Cloverdale. Comment
  UC1197270  Lupinus nanus Joseph P. Tracy 1933-5-1 12130 Sonoma below Knight's Valley along Mayacama Creek; along Maycama Creek below Knight's Valley 152 Comment
  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
  CAS-BOT-BC311855  Lupinus nanus subsp. latifolius Peter Rubtzoff 1954-9-4 1724 Sonoma Bodega Head Marsh. Comment
  POM276264  Lupinus nanus subsp. nanus Lyman D. Benson 1935-3-31 6403 Sonoma U.S. 101, S. of Cloverdale. 244 Comment
  POM10734  Lupinus nanus var. apricus A. A. Heller, H. E. Brown, A. H. Heller 1902-3-21 7188 Sonoma Hills southeast of Santa Rosa Comment
  CDA27567  Lupinus polyphyllus var. polyphyllus D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  JEPS83025  Lupinus sericatus Roger Raiche 1984-3-25 40074 Sonoma from Kelly Road near Rockpile Road sw Cloverdale ((about 11 1/2 mi n of its origin (Rockpile) at intersection with Skaggs Springs-Stewarts Point Road)); sw of Cloverdale Comment
  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
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Sep 25 2013
  SEINET13184148 Image available Lupinus succulentus A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  UC909758  Lupinus succulentus Milo S. Baker Apr 1950 12159 Sonoma w of Mellita Comment
  CAS-BOT-BC202173  Lupinus tidestromii Catherine Best 1980-5-1 s.n. Sonoma On the south side of the mouth of the Russian River Comment
  UC1133753  Luzula comosa H. S. Yates 1936-5-16 5591 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UC727764  Luzula comosa Milo S. Baker 1946-5-13 11390 Sonoma marsh adjoining Pitkin Marsh on n (Vine Hill Region); , Pitkin Marsh on n 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
  CLARK-A1528-3216  Lythrum hyssopifolia John C. Roos 1938-6-19 Sonoma Novato Comment
  UC1784223  Lythrum hyssopifolia Ethel Crum 1930-1 731 Sonoma Petaluma Comment
  UCD103007  Lythrum hyssopifolia Frederica Bowcutt 1984-6-23 424 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. Immed. N of Gerstle Cove. W of Hwy 1. 24 Comment
  RSA0015985  Lythrum hyssopifolia Edward Palmer 1892-6-27 2399 Sonoma Petaluma. Comment
  UCR25221  Madia capitata John C. Roos 1957-6-28 6617 Sonoma Schellville 23 Comment
  JEPS12584  Madia elegans Eleanor Armstrong June 1932 509 Sonoma hill below St. Dorothy's (near Camp Meeker) 121 Comment
  CAS-BOT-BC343449  Madia gracilis John H. Thomas 1976-6-18 18360 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC343452  Madia gracilis John Thomas Howell 1937-7-4 13065 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343457  Madia gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53968 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD151199  Madia gracilis James A. Neilson Jr. 1974-7-10 3577 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  SEINET11810612  Madia gracilis Unknown 1936-1 13111 Sonoma near Healdsburg Comment
  UCD132825  Madia gracilis Frederica Bowcutt 1994-5-21 1832 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
  RSA177896  Madia gracilis subsp. gracilis R. F. Thorne 1965-4-20 34351 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UCR198240  Madia madioides Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .276 Sonoma Cavesdale Road 518 Comment
  CAS-BOT-BC157678  Madia sativa Peter Rubtzoff 1962-8-24 5066 Sonoma Guerneville Marsh. Comment
  UC75904  Madia sativa Miss M. Alice King June 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC166725  Madia sativa Peter Rubtzoff 1962-10-9 s.n. Sonoma Goat Rock area of Sonoma Coast State Park, 1.6 miles from Hwy. 1. Comment
  CAS-BOT-BC345256  Madia sativa Peter Rubtzoff 1951-8-4 580 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  CAS-BOT-BC345263  Madia sativa Milo S. Baker 1932-8-27 6010 Sonoma M. S. Baker ranch, Adobe Canyon Comment
  CAS-BOT-BC345264  Madia sativa W. M. Heusi 1930-10-18 109 Sonoma Six miles northwest of Petaluma, along road to Tomales Comment
  UC990654  Madia sativa James I. McMurphy 1909-8-8 702 Sonoma electric railroad station between Santa Rosa and Sebastopol; Leddy 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
  CHSC26310  Maianthemum racemosum P. Kunst 1977-4-12 32 Sonoma 170 Comment
  SD88527  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-1 Sonoma Near mouth of Russian River. Comment
  UC479391  Malacothrix floccifera Marcus E. Jones, A. M. 1931-8-3 29094 Sonoma Cloverdale Comment
  CAS-BOT-BC540136  Malus domestica Peter Rubtzoff 1952-5-31 1102 Sonoma Area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC290639  Malva Peter Rubtzoff 1972-5-25 6754 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC376264  Malva sylvestris Greg de Nevers 1992-9-1 10249 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  UCD163796  Marah Peter Rubtzoff 1980-5-26 9448 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  POM55040  Matricaria matricarioides A. A. Heller, H. E. Brown 1902-6-2 5635 Sonoma Santa Rosa. Comment
  RSA719881  Matricaria matricarioides Linda E. Watson 1996-5-19 96 3 A Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  CAS-BOT-BC348310  Matricaria occidentalis Peter Rubtzoff 1970-5-30 6239 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC422697  Meconella californica John Thomas Howell 1931-4-18 6409 Sonoma Larkspur Rock, near Bodega Bay Comment
  CAS-BOT-BC268116  Medicago Peter Rubtzoff 1956-9-14 2890 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD107846  Medicago polymorpha P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD87211  Melica californica R. Tofsrud 1941-4-1 293 Sonoma Pasture hills above Russian Gultch. Comment
  CAS-BOT-BC281273  Melica geyeri Peter Rubtzoff 1952-6-10 1202 Sonoma NE slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC281274  Melica geyeri G. DeNevers 1981-5-5 928 Sonoma Pepperwood Ranch. W arm of Garrison Canyon, above the Viburnum Comment
  CAS-BOT-BC281286  Melica geyeri J. W. Congdon 1892-3-29 s.n. Sonoma Cazadero Comment
  UCD87345  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  UCD88631  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC262551  Melica torreyana G. DeNevers 1981-5-23 1265 Sonoma Pepperwood Ranch. At bottom of Franz Valley Road Comment
  CAS-BOT-BC262558  Melica torreyana Peter Rubtzoff 1952-6-3 1161 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CHSC33997  Melica torreyana J. D. Prouty 1980-4-12 859 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi W of junction with Petrified Forest Road. 256 Comment
  RSA74447  Melica torreyana Milo S. Baker 1947-5-30 11777 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  UCD151184  Melica torreyana James A. Neilson Jr. 1974-4-17 3006 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  UCD88809  Melica torreyana E. Armstrong 1934-3-26 912 Sonoma 3 mile N.W. of Camp Meeker. 121 Comment
  UCD89212  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  UCD81449  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma Sonoma. Comment
  CAS-BOT-BC164083  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC173615  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River Comment
  RSA785673  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, E of Graton (between Occidental and Guerneville Road). Comment
  UCR244599  Mentha X piperita Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road Comment
  UCD163793  Mentha aquatica Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC164388  Mentha pulegium Peter Rubtzoff 1958-8-9 3830 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  UC353819  Mentha pulegium Milo S. Baker 1928-6-28 3194 b Sonoma Pitkins Farm Comment
  CAS-BOT-BC164084  Mentha pulegium Peter Rubtzoff 1955-10-12 2165 Sonoma Duncans Mills Marsh, lower portion of marsh. Comment
  CAS-BOT-BC173657  Mentha pulegium Peter Rubtzoff 1956-9-16 2921 Sonoma Guerneville region. Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  UCD125170  Mentha pulegium Frederica Bowcutt 1995-11-7 2059 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air miles south of Red Mountain. In Sonoma Creek. Off of Bald Mountain Road near western trailhead for Vistra Trail. 548 Comment
  CAS-BOT-BC164713  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC164691  Mentha spicata Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh. Comment
  RSA784546  Mentha spicata Peter Rubtzoff 1955-8-28 2112 Sonoma Forestville Marsh. Comment
  UCD165333  Mentha suaveolens Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  UCD132847  Micropus californicus Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1816 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; 10 air miles E of Santa Rosa; 18 air miles NW of Napa; 1.5 air miles N of Kenwood.On Meadow Trail approx. 3/4 mile from the trail head, east from trail about 100 yds. 411 Comment
  JEPS85522  Microseris laciniata Charles F. Quibell 1990-5-20 2019 Sonoma Hunter Lane, northeast of Rohnert Park, 0.2 mi west of junction with Petaluma Hill Road. Comment
  CAS-BOT-BC320508  Mimulus Peter Rubtzoff 1964-5-31 5326 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River. Comment
  CAS-BOT-BC320514  Mimulus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC320520  Mimulus Peter Rubtzoff 1974-5-18 7407 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  RSA0025385  Mimulus Peter Rubtzoff 1964-8-26 5476 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  SEINET12337138  Mimulus bolanderi Unknown 1986-1 60284 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 0.5 mi N of Ida Clayton Rd 747 Comment
  UCD101290  Mimulus cardinalis Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 450 Comment
  RSA698954  Mimulus guttatus J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. 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
  UC1348905  Mimulus microphyllus Robert F. Thorne 1965-4-19 34286 Sonoma 2 mi ne Occidental (near county dump on Stoetz Road, off of Harrison Grade) 182 Comment
  JEPS12347  Mimulus microphyllus Francis W. Pennell Jul 2 1940-Jul 3 1940 26039 Sonoma ne Kenwood Springs 396 Comment
  UCD122689  Mimulus microphyllus Janet McIntosh 1966-4-27 21 Sonoma 8 miles east of Petaluma, State Highway 116. 76 Comment
  UC26911  Mimulus pilosus Alice King Sept., 1896 Sonoma Healdsburg Comment
  POM5035  Mimulus tricolor Katherine Brandegee 1905-6-8 s.n. Sonoma Along electric line near Santa Rosa. Comment
  CAS-BOT-BC174580  Minuartia californica Mary P. Wells 1894-4-20 s.n. Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC388889  Minuartia douglasii Greg de Nevers 1990-3-26 9656 A Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC388900  Minuartia douglasii Barbara Keller 1990-4-30 2034 Sonoma On Coleman Valley Rd. 6 miles west of Occidental Comment
  UC8116  Minuartia douglasii J. Burtt Davy 1894-6-17 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC435115  Mollugo verticillata James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  RSA0010757  Mollugo verticillata Peter Rubtzoff 1961-8-25 4714 Sonoma Forets Hills, east of Guerneville. Open, moist bottom of Russian River. Comment
  CAS-BOT-BC220387  Monardella purpurea Milo S. Baker 1946-7-4 11524 Sonoma Harrison Grade Rd. ca 2 mi N.E. of Occidental Comment
  SEINET9324387  Monardella sheltonii Unknown 1996-8-9 Sonoma Sonoma Co., CA (elev 800m) 800 Comment
  RSA0022766  Monardella villosa subsp. neglecta Milo S. Baker 1946-7-4 11524 Sonoma Harrison Grade ca. 2 mi. NE of Occidental. Comment
  CAS-BOT-BC318600  Monardella villosa subsp. subserrata J. W. Congdon 1880-6-20 47 Sonoma Petaluma Comment
  JEPS51860  Monardella villosa subsp. villosa Eleanor Armstrong 1932-5-15 458 Sonoma 8 mi north Santa Rosa. 121 Comment
  UC1995311  Monardella viridis Robert F. Hoover 1942-7-6 5912 Sonoma ridge s The Geysers Comment
  CAS-BOT-BC220702  Monardella viridis F. G. Krauss 1894-1-1 s.n. Sonoma Unspecified Comment
  RSA518858  Monardella viridis Roger Raiche 1987-7-5 70380 Sonoma N of Cazadero, The Cedars, Big Austin Creek drainage, between Gravelly Springs and Red Slide Creek. 305 Comment
  CAS-BOT-BC445003  Montia fontana Peter Rubtzoff 1966-4-30 5685 Sonoma North side of Hwy 116 0.5 mile northwest of Stony Point Road crossing. Comment
  CAS-BOT-BC445004  Montia fontana Peter Rubtzoff 1966-4-30 5690 Sonoma North side of Hessel Road just west of Hwy. 116. Comment
  UC70442  Montia parvifolia Milo S. Baker July 1902 Sonoma Sonoma Creek Canyon Comment
  JEPS23179  Myosotis discolor Reino Alava 1955-5-24 2044 Sonoma Pitkin Marsh n.w. of Sebastopol; Pitkin Marsh Comment
  UCR279604  Myriophyllum aquaticum Peter Rubtzoff 1963-7-6 5195 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) 31 Comment
  CAS-BOT-BC258916  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  RSA0028934  Myriophyllum verticillatum Barbara Ertter 1988-11-5 8034 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC456195  Najas guadalupensis Greg de Nevers 1996-10-18 10885 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond. 487 Comment
  SEINET257714  Nassella formicarum Mary E. Barkworth, D. Amme 1989-6-15 5170 Sonoma About 2 miles north of Jenner on US 1 Comment
  CAS-BOT-BC260071  Nassella lepida John Thomas Howell; et al. 1981-5-14 53946 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  UC1146589  Nassella lepida Freed W. Hoffman 1942-5-11 2267 Sonoma Headwaters Gualala River (The Roughs) North Coast Ranges Comment
  UCD161373  Nassella lepida James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC260069  Nassella lepida K. Wagnon 1939-5-20 205 Sonoma Glade W of Wagnon Quarry Comment
  SEINET7040130  Nassella pulchra A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  CAS-BOT-BC60518  Nasturtium officinale Peter Rubtzoff 1955-8-13 2046 Sonoma Duncans Mills Marsh. In upper portion of marsh. Comment
  CAS-BOT-BC361343  Navarretia Greg de Nevers 1997-4-24 10969 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC73612  Navarretia cotulifolia Milo S. Baker May 1899 Sonoma Santa Rosa Comment
  UC856857  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa Comment
  UC952866  Navarretia heterodoxa Milo S. Baker Aug 1950 12308 Sonoma near Kenwood (Hope Valley a short distance s of summit above Coleman Ranch); Hope Valley Comment
  UCD39804  Navarretia intertexta Collector Unknown 1947-5-16 Sonoma 4.5 miles E. of Windsor. Comment
  JEPS83483  Navarretia leucocephala subsp. plieantha Jack and Betty Guggolz 1986-5-23 872 Sonoma sw of Windsor Comment
  UC1008723  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  UC1719857  Navarretia pubescens David Fruchter 1978-9-17 98 Sonoma Diamond D. Comment
  LA206733  Navarretia squarrosa John Thomas Howell; 1938-7-3 13951 Sonoma Stony Point Comment
  UC1784136  Navarretia squarrosa Ethel Crum 1930-1 738 Sonoma Petaluma Comment
  UC188522  Navarretia squarrosa J. W. Congdon 1889-7-25 Sonoma Petaluma Comment
  RSA94068  Navarretia squarrosa J. T. Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  UC1541554  Navarretia tagetina H. E. and S. T. Parks 1930-5-10 847 Sonoma Knights Valley 152 Comment
  UC1719841  Navarretia tagetina David Fruchter 1978-9-17 94 -2 Sonoma Glen Ellen Comment
  UCD160863  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 a 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
  SEINET3156469  Nemophila atomaria L. S. Rose 1933-5-9 33160 Sonoma Bodega Bay Comment
  CDA11326  Nemophila heterophylla G. F. Hrusa 1995-4-2 12036 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE corner of Hwy. 128 and Ida Clayton Rd. Knights Valley. Comment
  UCD161317  Nemophila heterophylla James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3703 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101 along the Geysers Road, ca. 1/2 mile north of Big Sulphur Creek; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  CDA11012  Nemophila heterophylla G. F. Hrusa 1993-3-14 10526 Sonoma North Coast Biodiversity Arena; E side of Knights Valley. NW base of Mt. St. Helena. Foote Ranch, approx 10 m N of Calistoga on Hwy 128. 0 Comment
  JEPS1477  Nemophila menziesii var. atomaria Eleanor Armstrong 1933-4-15 748 Sonoma Bodega Hill 6 Comment
  UCD120243  Nemophila menziesii var. atomaria Caitlin Lewis; William Mutch 1993-4-17 3 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  CAS-BOT-BC231512  Nicotiana Peter Rubtzoff 1986-9-28 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  UCD110181  Notholithocarpus densiflorus Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-7-4 118 Sonoma Between Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1. 45 Comment
  UCD144579  Origanum vulgare Susan Dean 2013-11-18 s.n. Sonoma 1722 Barlau Lane, Sebastopol. 51 Comment
  UC1731298  Orobanche bulbosa Dean W. Taylor 1998-6-22 16680 Sonoma 0.3 mi e along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Creek, Mayacamas Mountains); North Coast Ranges Region, Mayacamas Mountains 792 Comment
  CAS-BOT-BC502770  Orobanche bulbosa Alice Eastwood 1915-6-6 4704 Sonoma Mt. St. Helena Comment
  UCSB6225  Orobanche fasciculata Kamb, Peter 1950-6-17 Sonoma "Larkspur Rock", south side of Cheney Gulch, 2.9 miles west of fork in road to Bodega and Valley Ford 30 Comment
  CAS-BOT-BC243696  Orobanche valida subsp. howellii Donald V. Hemphill 1963-9-21 s.n. Sonoma Head of Yellow Jacket Creek, Mt. St. Helena 1310 Comment
  CAS-BOT-BC238409  Orthocarpus Charles Piper Smith 1948-6-4 48340 a Sonoma Local road - Sebastopol, 1.5 miles west Comment
  POM223587  Orthocarpus campestris Milo S. Baker 1936-05 8576 Sonoma Bennett Valley Highway, 0.5 mi east of old Santa Rosa Fair Grounds. Comment
  RSA13561  Orthocarpus densiflorus H. E. Parks, Susan T. Parks 1930-5-7 632 Sonoma North end of Knight's Valley. 107 Comment
  CAS-BOT-BC25976  Orthocarpus faucibarbatus var. albidus David D. Keck; J. Clausen 1935-6-15 3375 Sonoma 3 mi. S. of Russian River mouth Comment
  POM231289  Orthocarpus faucibarbatus var. albidus D. D. Keck, Jens Clausen 1935-6-15 3375 Sonoma 3 mi S of Russian River mouth, on slopes overlooking the sea. 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
  CHSC26016  Oxalis oregana William Larkin 1961-3-28 Sonoma Rio Nido; along canyon road leading to cabins. 30 Comment
  OBI11858  Oxalis oregana Ann C. Litkins 1970-5-16 128 Sonoma Starret Hill Dr, 1 mi W of monte Rio, near Russian River 30 Comment
  UCSB7444  Oxalis oregana Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of city limits of Camp Meeker Comment
  RSA784566  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River bottom at Forest HIlls, 5.5 mi east of Guerneville. Comment
  UC479421  Panicum acuminatum var. acuminatum Marcus E. Jones, A. M. 1931-7-5 29210 Sonoma The Geysers Comment
  UCD89129  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7149 Sonoma North East part of county. 'The Geysers', Big Sulphur Creek. Comment
  UC1146579  Panicum capillare Freed W. Hoffman 1946-8-17 802 Sonoma Russian River near Korbel; North Coast Ranges, Russian River near Korbel Comment
  CAS-BOT-BC253861  Panicum miliaceum P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar ranch Comment
  CAS-BOT-BC7044  Panicum thermale Henry Nicholas Bolander 1860-1-1 3941 Sonoma Geysers Comment
  UC1146648  Parapholis incurva Freed W. Hoffman 1941-6-22 2194 Sonoma Sonoma Coast mouth of Salmon Creek; North Coast Ranges, , Sonoma Coast Comment
  CAS-BOT-BC249263  Parentucellia Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of marsh. Comment
  SJSU5985  Parentucellia viscosa C. W. Sharsmith 1972-6-24 7806 Sonoma edge of Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol 48 Comment
  UC157913  Parietaria pensylvanica Milo S. Baker 1898-6-12 679 Sonoma Geyser Canyon Comment
  UC972197  Parvisedum pumilum Milo S. Baker 1952-4-20 12399 Sonoma ca 1/4 mi n of Caliente (e side of Highway 12); e side of Highway 12 Comment
  UC1185392  Parvisedum pumilum Wayne Roderick 1961-5-4 Sonoma Agua Caliente 3 mi n of Sonoma (at intersection of Route 12 and Sierra Avenue) Comment
  CAS-BOT-BC156322  Paspalum Peter Rubtzoff 1971-8-23 6654 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  CAS-BOT-BC210044  Paspalum Peter Rubtzoff 1971-8-23 6647 Sonoma Spring Hill Road, 0.8 mi. SE of Bodega Hwy. (of Two Rock Church). Comment
  CAS-BOT-BC259692  Paspalum dilatatum Walter & Irja Knight; John Thomas Howell 1987-5-14 6386 Sonoma Llano Road near sewage treatment plant Comment
  CHSC22339  Pedicularis densiflora Robert A. Schlising 1962-3-31 2117 Sonoma California Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UC399539  Pellaea mucronata var. mucronata Michener and Bioletti 1892-12-24 Sonoma Comment
  UC27456  Penstemon heterophyllus var. heterophyllus H. N. Bolander 1864-1 3957 Sonoma at the Geysers Comment
  CAS-BOT-BC245723  Penstemon newberryi var. sonomensis Rimo Bacigalupi 1920-5-30 s.n. Sonoma Summit of Mt. St. Helena, Lake-Sonoma Co. Comment
  RSA0059040  Pentagramma triangularis Ira L. Wiggins 1932-3-12 5761 Sonoma Fence row between Knights Valley and Franz Valley. Comment
  CAS-BOT-BC222745  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1962-8-3 5017 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC222749  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  CAS-BOT-BC413638  Persicaria amphibia Peter Rubtzoff 1971-6-25 6555 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC418903  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC418904  Persicaria hydropiperoides Peter Rubtzoff 1958-8-31 3953 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418911  Persicaria hydropiperoides Peter Rubtzoff 1963-10-5 5289 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC418918  Persicaria hydropiperoides Peter Rubtzoff 1958-8-16 3880 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC418897  Persicaria hydropiperoides Peter Rubtzoff 1951-7-1 349 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  CAS-BOT-BC418925  Persicaria hydropiperoides Peter Rubtzoff 1958-8-17 3888 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  SD99429  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh, open marshy ground Comment
  CAS-BOT-BC419122  Persicaria lapathifolia Walter Knight; Irja Knight 1963-9-13 253 Sonoma On Rainsville Rd near Liberty Road, Petaluma Comment
  CAS-BOT-BC419273  Persicaria maculosa Peter Rubtzoff 1970-8-5 6300 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC419274  Persicaria maculosa Peter Rubtzoff 1958-7-20 3787 B Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.) Comment
  CAS-BOT-BC419286  Persicaria orientalis Peter Rubtzoff 1958-7-20 3786 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  CAS-BOT-BC419426  Persicaria punctata Peter Rubtzoff 1958-8-31 3949 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419431  Persicaria punctata John Thomas Howell 1946-8-17 22854 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419430  Persicaria punctata John Thomas Howell 1932-9-18 10770 Sonoma Bed of slough draining Kenwood Marsh Comment
  OBI48665  Phacelia californica Joseph Andorfer Ewan 1935-5-12 9225 Sonoma 1.5 mi W of Bodega on Bodega Bay rd Comment
  POM225755  Phacelia californica P. A. Munz 1936-8-7 14310 Sonoma Six miles north of Bodega. Comment
  UC901814  Phacelia corymbosa Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 675 Sonoma area n of Gray Creek e junction with East Austin Creek Comment
  POM298993  Phacelia distans J. T. Howell 1930-6-8 5274 Sonoma North end of Bodega Bay. Comment
  UC1299136  Phacelia distans Freed W. Hoffman April 1948 2758 Sonoma between Occidental and Monte Rio Comment
  UC735108  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3052 Sonoma about 1 mi w Petrified Forest (bluffs above creek) 60 Comment
  JEPS1083  Phacelia nemoralis subsp. nemoralis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC933819  Phalaris angusta Leo Koch 1940-4-22 827 Sonoma at Geysers in Sulfur Creek Canyon; , Geysers Comment
  CAS-BOT-BC258946  Phalaris aquatica Peter Rubtzoff 1961-10-18 4771 Sonoma Cunningham Marsh Comment
  UCR248890  Phalaris aquatica Peter Rubtzoff, Nancy Harrison, Ruth Hass, Chas F. Quibell 1974-8-31 7839 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC259020  Phalaris californica Peter Rubtzoff 1962-6-1 4859 Sonoma Freestone Marsh Comment
  CAS-BOT-BC259021  Phalaris californica Peter Rubtzoff 1962-6-1 4860 Sonoma Freestone Marsh Comment
  CAS-BOT-BC265915  Phalaris lemmonii G. DeNevers; S. Kaza 1981-5-7 972 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  UC1011001  Phalaris lemmonii Virginia Bufford 1935-5-3 31 Sonoma vicinity Santa Rosa; Santa Rosa vicinity Comment
  UCR280017  Phalaris lemmonii Peter Rubtzoff 1974-5-11 7406 Sonoma Laguna de Santa Rosa, east of Sebastopol, south of Hwy [12] crossing 20 Comment
  CAS-BOT-BC253562  Phleum alpinum Alice Eastwood 1915-6-29 4874 Sonoma Bodega Point Comment
  CAS-BOT-BC260876  Phleum pratense Peter Rubtzoff 1951-7-8 402 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UC23592  Phlox gracilis Alice King Apr 1897 Sonoma Healdsburg Comment
  JEPS69993  Phlox speciosa subsp. occidentalis Milo S. Baker 1928-3-24 2718 c Sonoma 5 mi w Healdsburg (on Jensen ranch) Comment
  RSA572341  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 55 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. Comment
  CDA22385  Phoradendron macrophyllum C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma W. P. Tischer property, 1270 Gravenstein Highway North, ca. 1 mile north of Sebastopol. 0 Comment
  UC1977006  Phyllospadix scouleri Ann Freeman 1963-8-6 1642 Sonoma Bodega Head. North side, Horseshoe Cove with flowers. 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
  UCD158851  Pickeringia montana James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2924 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  CAS-BOT-BC202285  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-12-27 475 Sonoma Summit, Pine Flat Rd. Comment
  RSA796379  Picris echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncan Mills Marsh Comment
  NY61622  Pinus lambertiana Collector unspecified s.n. 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
  UCD108193  Pisum sativum Peter H. Raven 1950-4-6 1562 Sonoma Cotoli to Santa Rosa. 152 Comment
  CHSC110480  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UCD166131  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166946  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  JEPS117078  Plagiobothrys Peter Warner 2010-5-6 141 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  UCR105441  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5169 Sonoma Laguna de Santa Rosa, east of Graton Comment
  JEPS117070  Plagiobothrys greenei Peter Warner 2010-3-30 128 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UCD120854  Plagiobothrys leptocladus Mary M. Hektner 1976-4-3 233 -A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA11324  Plagiobothrys nothofulvus G. F. Hrusa, R. Gross 1995-4-1 12033 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE corner of Hwy. 128 and Ida Clayton Rd. Knights Valley. Comment
  JEPS21216  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  RSA52651  Plagiobothrys nothofulvus I. L. Wiggins 1949-4-30 12067 Sonoma 4 miles W of Calistoga, just W of country line. Comment
  RSA0060110  Plagiobothrys reticulatus Greg de Nevers 1998-5-5 11229 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  UCR118958  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma Santa Rosa Area, 3 miles west of Fulton, along Woolsey Road, just below Mount Olivet School 61 Comment
  UCR280147  Plagiobothrys tener var. tener Peter Rubtzoff 1972-4-23 6735 Sonoma North Coast Range, 4.25 miles west of Glen Ellen on Bennett Valley Road 220 Comment
  RSA783847  Plagiobothrys undulatus Peter Rubtzoff 1976-6-5 8582 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC881362  Plagiobothrys undulatus John Thomas Howell 1937-6-6 13014 Sonoma Sebastopol Comment
  UCR279854  Plagiobothrys undulatus Peter Rubtzoff 1972-6-11 6780 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC258017  Plantago Peter Rubtzoff 1959-9-19 4273 Sonoma Vacation Beach, near Guerneville, along margins of pool on the Russian River bottom. Comment
  UCD167333  Plantago erecta James Neilson 1974-4-17 s.n. Sonoma Mayacmas Mountains. Big Geysers. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SD130533  Plantago erecta F. Almeda, G. DeNevers 1981-3-30 4880 Sonoma Vicinity of the Bechtel Cabin. Comment
  SEINET6990031  Plantago erecta A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area, 1 mile east of Occidental. Comment
  JEPS7135  Plantago lanceolata W. L. Jepson 1921-9-12 9479 Sonoma Alexander Valley 45 Comment
  UCD158728  Plantago lanceolata Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  RSA94256  Plantago lanceolata Peter Rubtzoff 1951-7-14 440 Sonoma Pitkin Marsh near Forestville, Lower part of the upper marsh. Comment
  UCD81451  Plantago lanceolata M. Wiesendanger 1927-5-5 718 Sonoma Sonoma. Comment
  RSA30698  Plantago maritima E. K. Balls, Percy C. Everett 1953-10-9 18601 Sonoma Sonoma Coast State Park, 0.5 mi NW of Salmon Creek, Hwy 1 between Bodega Bay and Jenner. 15 Comment
  CAS-BOT-BC258383  Plantago subnuda Peter Rubtzoff 1960-6-9 4489 Sonoma Laguna de Santa Rosa area northeast of Graton, near Laguna Road. Comment
  UCD124558  Plantago subnuda Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-24 62 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC258384  Plantago subnuda Peter Rubtzoff 1955-8-6 2022 Sonoma Bodega Harbor Marsh. Comment
  RSA800875  Plantago subnuda Peter Rubtzoff 1955-8-6 2022 Sonoma Bodega Harbor Marsh Comment
  UCSB50227  Plantago subnuda Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6N RllW 15 Comment
  UC1073296  Platystemon californicus George B. Rossbach 1955-3-19 279 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  UC118467  Platystemon californicus Alice Eastwood Apr. 1901 Sonoma Bodega Comment
  UCD19909  Platystemon californicus C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1190 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  RSA796394  Pleuropogon Peter Rubtzoff, John Thomas Howell 1966-4-30 5686 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  OBI22106  Pleuropogon californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  UC1024775  Pleuropogon californicus Leo Whitney 1935-3-17 2354 a Sonoma Santa Rosa 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
  UC1533103  Pleuropogon californicus Rocky Thompson 1975-4-14 Sonoma ca 0.5 mi s, on Todd Rd Jct Todd Rd and Llano Rd Comment
  UCD37568  Pleuropogon californicus Beecher Crampton 1955-4-5 2417 Sonoma 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road. Comment
  UCR111257  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  CDA32629  Pleuropogon californicus J. Sallee 1971-4-28 Sonoma Railroad tracks, 8th Street East, Sonoma 0 Comment
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. Comment
  POM205011  Pleuropogon californicus var. californicus A. A. Heller 1902-4-15 5294 Sonoma Santa Rosa. Comment
  UCD90180  Pleuropogon californicus var. californicus R. Tofsrud 1941-3-1 s.n. Sonoma somewhere just south of Santa Rosa. Comment
  JEPS75984  Pleuropogon hooverianus Craig D. Thomsen 1977-4-16 Sonoma adjacent to Pressley Road (on Sonoma Mountain); Sonoma Mountain 225 Comment
  CAS-BOT-BC422348  Poa Peter Rubtzoff 1976-5-30 8572 Sonoma Kenwood Marsh. Comment
  RSA0021489  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma Kenwood Marsh Comment
  RSA0021491  Poa Peter Rubtzoff 1976-5-30 8560 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC254553  Poa douglasii John Thomas Howell 1931-4-18 6424 Sonoma Mouth of Salmon Creek, 2 miles N of Bay Comment
  CAS-BOT-BC254554  Poa douglasii Milo S. Baker 1931-4-18 5384 Sonoma Beach at mouth of Salmon Creek Comment
  UC1132643  Poa howellii H. S. Yates 1936-5-16 5608 Sonoma 1 mi nw Mountain View School; Sebastopol Quadrangle Comment
  UCD91158  Poa howellii Collector Unknown 1942-5-27 10202 Sonoma along road turning north at at summit of Spring Mt. Road, near boundary of Sonoma and Napa counties. Comment
  CAS-BOT-BC256026  Poa pratensis Catherine Best 1981-6-5 s.n. Sonoma Stoltz Lane about 2 miles N.E. of Occidental Comment
  CAS-BOT-BC256031  Poa pratensis Peter Rubtzoff 1960-6-5 4431 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC256038  Poa pratensis Peter Rubtzoff 1960-6-7 4458 Sonoma Austin Creek Marsh Comment
  CAS-BOT-BC243246  Poa secunda subsp. secunda John Thomas Howell; et al. 1981-5-14 53950 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  UC1011005  Poa secunda subsp. secunda Virginia Bufford 1936-5-21 358 Sonoma 2 mi from Geysers (Cloverdale Rd) Comment
  UCD36686  Poa trivialis Beecher Crampton 1955-6-17 2939 Sonoma Sonoma County, 0.5 mile south of Guerneville. Comment
  CAS-BOT-BC244259  Poa unilateralis A. A. Heller 1902-4-11 5279 Sonoma Bodega Bay Comment
  RSA0062829  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. 100 Comment
  CDA41540  Pogogyne douglasii G. F. Hrusa, A. Buckmann 1996-10-5 13586 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. 2 mi. SW of Calistoga. Comment
  UCD125256  Pogogyne douglasii G. F. Hrusa; R. Gross 1996-6-30 13065 Sonoma Permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. 700 Comment
  RSA264762  Pogogyne douglasii subsp. parviflora Peter Rubtzoff, Tim Tunison, Nancy Harrison 1976-6-5 8585 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS128244  Polycarpon tetraphyllum Roger Raiche 2000-3-30 053 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA784713  Polycarpon tetraphyllum Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-7-3 163 Sonoma Westside Rd, Bodega bay area Comment
  RSA92948  Polycarpon tetraphyllum Milo S. Baker, H. K. Wagnon 1954-7-1 12960 Sonoma 2nd Street in front of Hughes Garage, Santa Rosa. 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
  UC192399  Polygala californica Michener and Bioletti June 1893 Sonoma Hood's Peak Comment
  UC450151  Polygala californica Milo S. Baker 1898-6-11 657 Sonoma Little Sulphur Creek Comment
  UCD109703  Polygala californica Mary M. Hektner; Sue Dakuazku, Cathy Hendel 1974-7-3 107 Sonoma Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD109697  Polygala californica Beecher Crampton 1955-6-17 2954 Sonoma roadside, Cazadero. Comment
  CAS-BOT-BC157669  Polygonaceae Peter Rubtzoff 1964-5-20 5319 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC290616  Polygonum Peter Rubtzoff 1986-9-28 9751 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164392  Polygonum Peter Rubtzoff 1970-5-30 6248 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC540850  Polygonum Peter Rubtzoff 1974-9-1 7859 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville Comment
  RSA234546  Polygonum hydropiperoides Peter Rubtzoff 1955-8-27 2099 Sonoma Bennett Mtn Lake. Comment
  UC727705  Polygonum lapathifolium Milo S. Baker 1946-8-17 11562 Sonoma The Laguna; at the crossing of the Occidental Rd Comment
  SEINET11935790  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 Sonoma Willow Creek, 2 mi N of Petaluma Comment
  SEINET11935782  Polygonum marinense P. G. Conners 1991-1 Sonoma Bodega Marine Reserve salt marsh Comment
  CDA22833  Polygonum paronychia R. F. Wilkey 1967-10-1 Sonoma Goat Rock, Bodega Bay. 0 Comment
  SD39936  Polygonum paronychia Edith A. Purer 1932-7-24 4072 a Sonoma Bodega Bay Comment
  UC1042522  Polygonum punctatum Peter Rubtzoff 1952-10-26 1338 Sonoma Lower Marsh Pitkin Marsh (near Forestville) Comment
  UC6751  Polygonum ramosissimum J. Burtt Davy 1897-9-19 4048 Sonoma Petaluma; salt-marsh Comment
  UC1606996  Polypodium Margaret Rockwood and L. Esposito 1995-3-1 644 Sonoma ca. 3 km nw Bodega Comment
  CAS-BOT-BC72112  Polypodium scouleri John Thomas Howell 1930-7-27 5393 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC232936  Polypogon Peter Rubtzoff 1983-8-28 9671 Sonoma Austin Creek, ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  CAS-BOT-BC232999  Polypogon australis Peter Rubtzoff 1959-6-6 4094 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC233003  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  SD71383  Polypogon australis Peter Rubtzoff 1961-9-20 4754 Sonoma Open, wet creek bank, Willow Creek marsh Comment
  CAS-BOT-BC368033  Polypogon interruptus Greg de Nevers 1998-6-20 11290 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Rogers Apple Orchard. 400 Comment
  RSA129381  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 miles east of Jenner. 61 Comment
  UCD84097  Polypogon maritimus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC237401  Polypogon monspeliensis Walter Knight; Irja Knight 1968-1-1 2270 Sonoma Geysers Resort, along geyser trail up ravine Comment
  CAS-BOT-BC237408  Polypogon monspeliensis Peter Rubtzoff 1956-9-11 2847 Sonoma Vacation Beach, near Guerneville, Russian River bottom Comment
  CAS-BOT-BC237414  Polypogon monspeliensis A. A. Heller 1902-6-7 5652 Sonoma Bennett Valley, SE of Santa Rosa Comment
  CAS-BOT-BC237413  Polypogon monspeliensis John H. Thomas 1976-6-17 18355 Sonoma Near N end of Sea Ranch, NW part of county, about 4 miles S of Gualala Comment
  UCD91352  Polypogon monspeliensis David L. Morgan 1955-6-25 s.n. Sonoma On Bloomfield Rd., 2 mile north of junction of Petaluma-Valley Ford Rd. Comment
  SEINET11719958  Polystichum californicum Unknown 1987-1 70019 Sonoma W of Cloverdale, Hot Springs Rd area, Lake Somona near inundation point of Brush Creek 183 Comment
  SEINET6744750  Polystichum californicum Michener, Bioletti 1893-1 Sonoma Adobe Canon Comment
  UCR222529  Polystichum imbricans subsp. imbricans George K. Helmkamp, E. A. Helmkamp 2010-6-5 16248 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
  UCD136548  Polystichum munitum Mary M. Hektner 1974-7-10 140 A Sonoma Unit 34-B Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC102667  Populus fremontii Peter Rubtzoff 1970-6-21 6266 Sonoma tributary of Mark West Creek ca. 3 mi. west of Fulton Comment
  RSA800657  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC257682  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa. Comment
  UCR244630  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  UC441349  Potamogeton illinoensis Milo S. Baker Aug. 1900 Sonoma laguna near Sebastopol Comment
  RSA800840  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  CAS-BOT-BC454079  Potamogeton pusillus subsp. pusillus M. S. Baker 1899-6-28 s.n. Sonoma Russian River near mouth Comment
  UC441323  Potamogeton pusillus var. pusillus Milo S. Baker June 1899 Sonoma near Sebastopol Comment
  CAS-BOT-BC141959  Potentilla anserina subsp. pacifica Walter Knight; Irja Knight 1963-8-13 212 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC141947  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  CAS-BOT-BC141955  Potentilla anserina subsp. pacifica Peter Rubtzoff 1959-6-13 4127 Sonoma Willow Creek Marsh - Sonoma County Marshes Comment
  SEINET13947061 Image available Prunella vulgaris Andrew P. Nelson 1960-1 646 18 C Sonoma Originally collected from a mixed pop. At Pitkin Marsh. Comment
  UCD113173  Prunus cerasifera Frederica Bowcutt 1994-7-5 1929 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 N of Sonoma Creek about 30 feet, 50 feet south of campfire center. 387 Comment
  UC699661  Prunus serotina T. E. Rawlins September, 1942 Sonoma Fort Ross Comment
  UCD160846  Prunus virginiana var. demissa James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 s.n. Sonoma Truit Creek. (Coordinates, and elevation estimated by label maker.) 426 Comment
  CAS-BOT-BC356926  Pseudognaphalium californicum G. DeNevers 1981-6-15 1556 Sonoma Pepperwood Ranch. Along road from Bald Hills to Franz Valley Creek Comment
  UCD133693  Pseudognaphalium stramineum Frederica Bowcutt 1984-6-23 414 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. W of Highway 1. Immediately N of Gerstle Cove near large parking lot. 15 Comment
  UCD135205  Pseudognaphalium stramineum P. G. Connors 1992-6-9 276 Sonoma Bodega Head and Dunes. Comment
  CAS-BOT-BC80178  Pseudotsuga menziesii Irja Knight; Walter Knight 1964-11-15 795 Sonoma Hood's Peak near Johnson Lake Comment
  JEPS46756  Pseudotsuga menziesii var. menziesii W. L. Jepson 1931-7-19 15955 Sonoma Watson School near Bodega Comment
  CAS-BOT-BC166787  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC176176  Psilocarphus Peter Rubtzoff 1970-5-16 6228 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC72689  Pteridium aquilinum Peter Rubtzoff 1951-8-18 613 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  SEINET6033390  Pteridium aquilinum var. pubescens P. L. Henderson 1977-4-30 77 -6 Sonoma Bodega Bay, on high ground above coast Comment
  UC1481822  Pteridium aquilinum var. pubescens Mrs. Carlotta C. Hall June 1909 11 a Sonoma near Guerneville (n bank Russian River, Guernewood Park) Comment
  UCR254916  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD100916  Pterostegia drymarioides P. G. Connors 1991-6-14 154 Sonoma University of California Bodega Marine Laboratory. Bodega Head and Dunes. Comment
  CAS-BOT-BC460849  Pyrola aphylla Juanita E. Charles 1925-6-1 s.n. Sonoma Cazadero Comment
  RSA94346  Pyrus communis Peter Rubtzoff 1952-10-26 1332 Sonoma Pitkin Marsh, near Forestville, eastern branch of the Upper Marsh. Comment
  UCD45329  Quercus X chasei John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch west of Cummingham, Sonoma County. Comment
  RSA34661  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  UC336261  Quercus X morehus Hy. Edwards April 1877 208 Sonoma Knights Valley Comment
  CDA12908  Quercus agrifolia var. agrifolia G. F. Hrusa, R. Gross 1996-3-31 12741 Sonoma North Coast Biodiversity Arena; On flats near residences of Foote Ranch, NE corner of Hwy 128 and Ida Clayton Rd. Approx. 10 m. N of Calistoga. Comment
  JEPS37408  Quercus douglasii W. L. Jepson 1918-6-21 Sonoma w of Windsor (Calhoun Ranch) Comment
  CAS-BOT-BC79565  Quercus dumosa Walter Knight; Irja Knight 1963-1-9 146 Sonoma Pine Mt. Rd. NE of Clverdale Comment
  OBI70567  Quercus durata var. durata D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .283 Sonoma Cavedale Rd 518 Comment
  SJSU16080  Quercus garryana Allen W. Jacobs 1934-8-1 3 Sonoma Found near the Hilton on NW slope above the Russian River Comment
  UC1299699  Quercus garryana Freed W. Hoffman 1947-4-3 670 Sonoma Wild Hog Ridge North Coast Ranges Comment
  UC1299700  Quercus garryana Freed W. Hoffman 1946-8-17 799 Sonoma Gilliam Creek, a branch of East Austin Creek North Coast Ranges, East Austin Creek Comment
  CAS-BOT-BC105477  Quercus kelloggii Walter Knight; Irja Knight 1963-9-1 150 Sonoma Pine Mt. Rd. NE of Cloverdale, Harold Smith Ranch Comment
  UC5610  Quercus kelloggii unknown 971 Sonoma Sonoma 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
  UCSB1177  Quercus kelloggii Haller, John 1960-5-28 Sonoma 2.5 miles northwest of U.S. 101, 3.5 miles northwest of Cloverdale on California 128 152 Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  UCD150138  Ranunculus californicus 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
  POM268394  Ranunculus californicus Lyman Benson 1935-3-31 6405 Sonoma Hwy 101, N Coast, Russian River. 244 Comment
  CAS-BOT-BC378682  Ranunculus californicus var. californicus Dorothy Scherer 1996-3-16 1 Sonoma Fort Ross State Historic Park, northwest corner of Windemere Point, northwest slope 24 Comment
  CAS-BOT-BC378687  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-3-11 564 Sonoma Petaluma, Cor. La Cresta Dr. and Summit Dr. Comment
  CAS-BOT-BC378698  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5055 Sonoma near Santa Rosa Comment
  CAS-BOT-BC378701  Ranunculus californicus var. californicus John Thomas Howell 1931-4-2 6044 Sonoma Boyes Springs Comment
  CAS-BOT-BC378708  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -G Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  CAS-BOT-BC361405  Ranunculus lobbii Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Weimar vernal meadow 457 Comment
  POM150531  Ranunculus lobbii A. A. Heller 1902-3-14 s.n. Sonoma Near Windsor. Comment
  UC1084433  Ranunculus orthorhynchus var. bloomeri G. Thomas Robbins 1940-3-21 291 Sonoma 2-3 mi se Windsor (on Pleasant Ave. road) Comment
  JEPS55134  Ranunculus pusillus Miss R. Kuhn 1913-4-16 Sonoma Sonoma Comment
  RSA94332  Ranunculus repens Peter Rubtzoff 1951-6-9 149 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CDA18779  Raphanus sativus Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  UC1084367  Raphanus sativus G. Thomas Robbins 1937-3-26 33 Sonoma along road to Bodega (just e of Bodega) Comment
  CAS-BOT-BC74236  Raphanus sativus Mary P. Wells 1985-5-26 499 Sonoma Ca. 0.5 mile north of Stewart's Point, along Highway #1. Comment
  RSA523187  Raphanus sativus R. R. Halse 1987-2-22 3376 Sonoma Along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  CAS-BOT-BC55940  Rhamnus crocea D. E. Breedlove 1980-6-28 44796 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC53742  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  CAS-BOT-BC226794  Rhododendron occidentale G. F. Hrusa 1989-6-7 7174 Sonoma Above Franz Valley School Rd. immed. W of Sonoma/Napa Co. line 259 Comment
  CAS-BOT-BC200350  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC111883  Rhynchospora californica Peter Rubtzoff 1951-7-28 560 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CAS-BOT-BC111884  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  JEPS117112  Rhynchospora capillacea Peter Warner 2010-7-29 175 Sonoma Lower Pitkin Marsh, N of primary drainage channel, ~ 350 m, N 44 deg.E from Hwy. 116 gate, in quaking bog (fen) area. Comment
  CAS-BOT-BC111901  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  UC1026464  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 341 Sonoma uppermost part western branch of Upper Marsh (near Forestville); Pitkin Marsh Comment
  CAS-BOT-BC376237  Ribes Greg de Nevers 1996-4-19 10795 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Oak Hill Ranch, Devil's Kitchen 487 Comment
  UC75444  Ribes californicum Milo S. Baker 1898-4-4 19 Sonoma Sea View Comment
  UC353918  Ribes californicum Milo S. Baker 1928-2-18 2598 Sonoma nw Co<o?>per's Grove Comment
  CAS-BOT-BC198922  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-12 5037 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  UC11484  Ribes roezlii var. cruentum F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  UCD102490  Ribes sanguineum Michael A. Vincent; Ethan H. Freid 1998-4-8 8174 Sonoma Bodega Bay, 0.5 mile northeast of city limits along Rt. 1. Comment
  CAS-BOT-BC168764  Ribes victoris A. A. Heller 1903-4-24 6615 Sonoma Woods near Cazadero Comment
  CAS-BOT-BC168763  Ribes victoris Michener; Bioletti 1892-7-8 629 Sonoma South Los Guilicos Comment
  CAS-BOT-BC362938  Rigiopappus leptocladus G. DeNevers 1981-5-15 1215 Sonoma Pepperwood Ranch. Along road to Hansel's Lake (from the bottom of her driveway) Comment
  UCR255044  Rorippa Greg de Nevers 1992-5-5 10141 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC74702  Rorippa curvisiliqua Peter Rubtzoff 1959-4-19 4043 Sonoma Ross Marsh. Comment
  CAS-BOT-BC74717  Rorippa curvisiliqua Greg de Nevers 1992-6-16 10168 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  CAS-BOT-BC74849  Rorippa palustris var. palustris Peter Rubtzoff 1973-8-25 7259 Sonoma Willow Creek Marsh. Comment
  RSA179774  Rosa eglanteria J. T. Howell 1930-6-8 5234 Sonoma Flat along stream, 4 miles east of Valley Ford Comment
  CAS-BOT-BC146772  Rosa gymnocarpa Walter Knight; Irja Knight 1964-11-3 762 Sonoma Cooper's Grove, Sonoma Mt. Road Comment
  CAS-BOT-BC146777  Rosa gymnocarpa Dorothy Scherer 1997-5-6 107 B Sonoma Ca. 70' north of Fort Ross Rd, and .6 mi. west of Seaview Rd, Fort Ross State Historic Park 365 Comment
  UC766411  Rosa gymnocarpa R. F. Hoover 1941-5-14 5076 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC146920  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma S.W. slope of Hood Mt. at top of Rose Butte 243 Comment
  CAS-BOT-BC262828  Rubus Peter Rubtzoff 1964-5-20 5306 Sonoma Brooks Gulch Marsh. Comment
  UCR148005  Rubus discolor Frederica Bowcutt 1994-5-21 1836 Sonoma Coast Range, Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco and c. 10 air mi east of Santa Rosa; c. 1.5 air mi N of Kenwood; c. 18 air mi NW of Napa. Hillside trail c. 1 mi past the junction with Digger Pine trail 412 Comment
  UCD158825  Rubus leucodermis James A. Neilson Jr. 1974-12-28 3432 Sonoma The Geysers, roadway near Harness Camp, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 487 Comment
  UCD160015  Rubus leucodermis James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3291 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS76920  Rubus spectabilis Robert M. Lloyd 1963-2-24 2058 Sonoma on State Highway 1, 4 mi s State Highway 12 15 Comment
  CAS-BOT-BC157180  Rubus ursinus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC157665  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh. Area 27. Comment
  CAS-BOT-BC166704  Rumex Peter Rubtzoff 1958-7-19 3756 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA784563  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  SEINET11933907  Rumex acetosella F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -174 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 485 Comment
  UCD101051  Rumex acetosella Caitlin Lewis; William Mutch 1993-4-17 10 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC422297  Rumex californicus Alice Eastwood; John Thomas Howell 1938-7-6 6088 A Sonoma Alder Glen Springs Comment
  CAS-BOT-BC433412  Rumex crispus G. DeNevers 1981-6-15 1560 Sonoma Pepperwood Ranch. Along Franz Creek. Comment
  SEINET11933971  Rumex crispus W. Knight, Knight, I. 1984-1 5421 Sonoma Along floodplain of Petaluma River. Gilardi's Resort 3 Comment
  CAS-BOT-BC433740  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  RSA0051272  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCR244738  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road) 30 Comment
  CAS-BOT-BC166935  Rumex pulcher Peter Rubtzoff 1961-8-22 4689 Sonoma Fife Creek Marsh. Comment
  SDSU9724  Rumex pulcher D. F. Howe 1963-7-2 3579 Sonoma 4.2 miles N of juction with #12, on #1. Comment
  CAS-BOT-BC433868  Rumex salicifolius John Thomas Howell 1957-10-12 32997 Sonoma About 1 mi. sw. of Sonoma Comment
  RSA698488  Rumex salicifolius var. montigenitus J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC434142  Rumex transitorius Alice Eastwood; John Thomas Howell 1938-7-6 6087 Sonoma Alder Glen Springs Comment
  UCD108456  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  CDA2403  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Behind community center on west side of Hwy 1 north of town, Bodega Bay. 0 Comment
  CAS-BOT-BC239856  Rytidosperma penicillatum Mary P. Wells 1981-8-2 s.n. Sonoma The Sea Ranch Comment
  UCSB45520  Rytidosperma penicillatum Roos, John 1957-7-2 Sonoma Miller Ridge Comment
  UC465492  Sagina maxima subsp. crassicaulis Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  UC569  Sagittaria cuneata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC445781  Sagittaria latifolia John Thomas Howell 1945-7-18 21316 Sonoma Pitkin Marsh Comment
  RSA94452  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Eastern branch of the Upper Marsh. The Pitkin Marsh, near Forestville. Comment
  UCD148463  Salicornia Peter Rubtzoff 1963-8-17 5222 Sonoma Petaluma Creek just east of Petaluma. Comment
  UC1191412  Salicornia europaea Herbert L. Mason 1946-7-29 12956 -A Sonoma 0.5 mi n Sears Point Comment
  CAS-BOT-BC290594  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. Comment
  RSA0015572  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  RSA0018589  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  CAS-BOT-BC126265  Salix X sepulcralis W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road, six miles from Petaluma Comment
  CAS-BOT-BC126269  Salix X sepulcralis Peter Rubtzoff 1952-5-31 1117 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC126271  Salix X sepulcralis Peter Rubtzoff 1952-5-31 1117 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC103082  Salix bonplandiana M. S. Baker 1930-4-11 3946 Sonoma Banks of Santa Rosa Creek Comment
  CAS-BOT-BC103087  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC103091  Salix bonplandiana Peter Rubtzoff 1961-10-23 4782 Sonoma Laguna de Santa Rosa area northeast of Graton Comment
  RSA534609  Salix bonplandiana Peter Rubtzoff, Theodore J. Crovello 1964-9-3 5494 Sonoma Bodega Bay Marsh. Comment
  RSA534564  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  UC453083  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 4 Sonoma bed of Russian R. at Bohemian Grove near Monte Rio Comment
  UCD151172  Salix exigua var. hindsiana James A. Neilson Jr. 1974-3-3 3022 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  CAS-BOT-BC107751  Salix hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley southeast of Santa Rosa Comment
  UC5014  Salix laevigata H. N. Bolander 1867-6-6 6586 Sonoma Cloverdale Russian River Valley, Cloverdale Comment
Read comments
Jun 5 2007
  UC453097  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 15 Sonoma Bohemian Grove near Monte Rio (lower bank of Russian R.); Russian R. Comment
  UC453098  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 16 Sonoma Bohemian Grove near Monte Rio (lower bank of Russian R.); Russian R. Comment
  UC482065  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. bodega Bay Comment
  CAS-BOT-BC128058  Salix lasiandra var. lasiandra Peter Rubtzoff; Theodore J. Crovello 1964-9-3 5494 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC128051  Salix lasiandra var. lasiandra Walter Knight; Irja Knight; Dr. Steve Edwards 1986-9-9 5250 Sonoma Norborn Road, near Sonoma Comment
  CAS-BOT-BC107095  Salix lasiolepis Peter Rubtzoff 1952-6-15 1263 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC107253  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma Hills two miles southeast of Santa Rosa Comment
  CAS-BOT-BC107254  Salix lasiolepis Ball; Bracelin; Parks & Parks 1931-4-21 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga Comment
  UC453104  Salix lasiolepis W. A. Setchell 1931-7-31 20 Sonoma Bodega Bay Comment
  UC482062  Salix lasiolepis Baker, Ball, Bracelin, and Crum 1931-5-9 345 Sonoma about 2 km e Bodega Bay (creek bed) Comment
  UC66160  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma hills 2 mi se Santa Rosa Comment
  RSA534485  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1987-9-12 9849 Sonoma Russian River at Forest Hills. 5.5 miles E of Guerneville. Comment
  RSA94335  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of the Upper Marsh, in open damp area. Comment
  POM219060  Salix lucida subsp. lasiandra Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 347 Sonoma About 2 km E of Bodega Bay. Comment
  RSA534562  Salix melanopsis Peter Rubtzoff 1978-7-19 9237 Sonoma Russian River at Del Rio Beach. Ca 2.5 miles E of Healdsburg on So. Fitch Mtn. Rd. Comment
  UC453079  Salix melanopsis W. A. Setchell 1931-7-25 1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  UC490559  Salix melanopsis Joseph P. Tracy 1932-5-8 9898 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  CAS-BOT-BC126180  Salix scouleriana Peter Rubtzoff 1961-10-23 4774 Sonoma Cunningham Marsh 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
  POM219075  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  UC453106  Salix sitchensis W. A. Setchell 1931-7-31 21 Sonoma Bodega Bay Comment
  UC482059  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 346 Sonoma 2 km. e. Bodega Bay (on Santa Rosa-Bodega Hwy., <Larkspur Rock>) Comment
  UCD111891  Salix sitchensis Ball; Bracelin, Parks, and Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km. northwest of Calistoga. Comment
  UC192603  Salvia sonomensis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  SEINET12330321  Salvia sonomensis W. Knight, Edwards, S. 1985-1 5187 Sonoma Ridge NW of summit of Kortum Canyon Road Comment
  OBI39521  Sambucus racemosa var. racemosa F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek rd 145 Comment
  POM133574  Sanicula bipinnatifida A. A. Heller, H. E. Brown 1902-3-14 5066 Sonoma Near Windsor Comment
  RSA94301  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Dry, open ground bordering the upper marsh in the W. Comment
  UCD166462  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC251238  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  RSA799992  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 mi east of Guerneville, along Russian River. Comment
  RSA799994  Saponaria Peter Rubtzoff 1955-8-7 2028 Sonoma Guerneville Marsh. Comment
  RSA17703  Saxifraga californica Elmer I. Applegate 1934-3-25 8843 Sonoma Sausal Creek on road to Pine Flat. W slope of Mayacama Mountains. Comment
  UC1010439  Saxifraga californica Leo Koch 1938-3-20 48 Sonoma 4 mi n of Santa Rosa (Miss Marian Barbours pasture, on Hwy 101, (Ranch)); North Bay Comment
  CAS-BOT-BC441178  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  UC1123203  Scandix pecten-veneris H. S. Yates 1934-4-21 3819 Sonoma near Monte Rio 60 Comment
  UCD128126  Scandix pecten-veneris Caitlin Lewis; William Mutch 1993-4-17 14 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 365 Comment
  UCD65648  Schedonorus arundinaceus David L. Morgan 1956-4-20 Sonoma Wilson St., 1/2 block SW of Jefferson, Petaluma. Comment
  CAS-BOT-BC283659  Schedonorus pratensis Catherine Best 1981-6-5 s.n. Sonoma Highway 1 near Salt Point Comment
  CAS-BOT-BC111432  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-31 3955 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC111437  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-23 3904 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llamo Road). Comment
  CAS-BOT-BC111635  Schoenoplectus californicus Peter Rubtzoff 1967-8-28 5871 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111633  Schoenoplectus californicus Peter Rubtzoff 1955-7-30 1995 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC111639  Schoenoplectus californicus Peter Rubtzoff 1966-8-18 5790 Sonoma Laguna de Santa Rosa ca. 1 mile ESE of Sebastapool. Comment
  RSA540067  Schoenoplectus californicus Peter Rubtzoff 1966-8-18 5790 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  RSA0015641  Schoenoplectus maritimus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111802  Schoenoplectus pungens var. badius Walter Knight; Irja Knight 1963-8-13 176 Sonoma Horseshoe Cove Comment
  UCD50152  Schoenoplectus pungens var. badius Mary M. Hektner 1976-8-26 267 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC111115  Scirpus microcarpus John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol. Comment
  UC70382  Scoliopus bigelovii Milo S. Baker 1898-4-3 Sonoma near Guerneville Comment
  UC1132933  Scribneria bolanderi L. W. Whitney 1935-4-14 Sonoma near Occidental 121 Comment
  CAS-BOT-BC311817  Scrophularia californica Peter Rubtzoff 1967-8-28 5870 Sonoma Lower Salmon Creek Marsh. Comment
  UCR249337  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  POM63113  Scutellaria californica A. A. Heller 1902-6-23 5743 Sonoma Petrified Forest 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
  RSA0004003  Scutellaria viarum A. A. Heller 1902-6-27 5786 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC417850  Sedella pumila Leo Koch 1940-4-24 848 Sonoma N of Agua Caliente Comment
  UC1084465  Sedum spathulifolium G. Thomas Robbins 1937-6-6 230 Sonoma rolling hills 2-3 mi e Bodega Bay; e of Bodega Bay Comment
  CAS-BOT-BC366869  Selaginella wallacei Greg de Nevers 1998-4-26 11194 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's property in Sec. 6 400 Comment
  CAS-BOT-BC62203  Selaginella wallacei Greg de Nevers 1992-2-9 10022 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road; In the Devil's Kitchen 475 Comment
  CAS-BOT-BC62199  Selaginella wallacei John Thomas Howell 1926-11-14 2251 Sonoma Hills east of Santa Rosa Comment
  UCD135499  Senecio glomeratus P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCR45083  Senecio greenei L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  CAS-BOT-BC364097  Senecio jacobaea Walter Knight; Irja Knight; Tiffany Knight 1986-8-12 5505 Sonoma Along state route 1 in Sea Ranch. Ca 2 mi n. of lodge Comment
  JEPS77267  Senecio sylvaticus Robert M. Lloyd 1963-4-24 2404 Sonoma 18.9 mi e State Highway 12 (on road to Oakdale) Comment
  CAS-BOT-BC80327  Sequoia sempervirens Peter Rubtzoff 1983-7-30 9669 Sonoma Annapolis area, near the road from [Annopolis] Annapolis to the coast, 3.6 miles from Hwy 1 Comment
  NY64464  Sequoia sempervirens A. A. Heller 1902-3-16 5080 Sonoma Russian River, near Trenton Comment
  SEINET8057879 Image available Sequoia sempervirens A. A. Heller 1902-1 5080 Sonoma Russian river, near Trenton Comment
  UCD135186  Sequoia sempervirens Chris Bowen 1974-6-1 142 Sonoma Near Sorcer's Wood, Unit 30-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA31828  Sesbania punicea C. Owens 2010-7-7 s.n. Sonoma In the vicinity of Santa Rosa on River Road. 0 Comment
  UCR255654  Setaria Greg de Nevers 1997-8-20 11086 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, 400 Comment
  UC198508  Sidalcea calycosa Katharine Brandegee Sonoma Santa Rosa Comment
  CAS-BOT-BC187885  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1936-7-26 s.n. Sonoma Pitkin Marsh, near Sebastopol Comment
  CAS-BOT-BC187889  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-19 640 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  SD56817  Sidalcea malviflora subsp. laciniata Darley F. Howe 1963-5-22 3522 Sonoma 10 miles west of Santa Rosa, on Vine Hill Road. 152 Comment
  CAS-BOT-BC213166  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 19638 Sonoma Kenwood Marsh, about 1/4 mile west of Kenwood Comment
  RSA87253  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 s.n. Sonoma Kenwood Marsh about 1/4 mile west of Kenwood Comment
  CAS-BOT-BC320543  Silene Peter Rubtzoff 1974-5-26 7487 Sonoma Vernal pool area on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC320544  Silene Peter Rubtzoff 1974-5-25 7456 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320549  Silene Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  JEPS50892  Silene californica M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 235 Sonoma near Guerneville; Russian River, near Guerneville Comment
  CAS-BOT-BC384436  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  UC1084461  Silene gallica G. Thomas Robbins 1937-6-5 224 Sonoma about 10 mi w Santa Rosa (Pitkin Ranch, Vine Hill region); Vine Hill Region, w of Santa Rosa, Pitkin Ranch Comment
  NY342629  Silene grandis A. Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  SBBG71623  Silene laciniata subsp. californica L. Rowntree 1931-7-15 Sonoma Stewart Point to Skaggs Springs Comment
  UC120179  Silene scouleri subsp. grandis Katharine Brandegee 1905-6-25 Sonoma Bodega Head Comment
  UCD136307  Sisyrinchium bellum M. Rei Scampavia Evangelista 2012-5-19 5 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  UCD138775  Sisyrinchium bellum Chris Bowen 1974-5-19 s.n. Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET12049793  Sisyrinchium bellum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -170 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 450 Comment
  UCD138771  Sisyrinchium bellum Botany 102 Students 1993-4-17 39 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. SE of Red Mountain about 1 air mile. Near group campground. 365 Comment
  UC1084445  Sisyrinchium californicum G. Thomas Robbins 1937-5-23 200 Sonoma 10 mi w of Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  UC1585373  Smilacina racemosa R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 6 Sonoma 0.3 km e Stewarts Point (on Skaggs Springs-Stewarts Point Rd, nw-facing bank) 50 Comment
  CAS-BOT-BC164422  Solanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC164701  Solanum Peter Rubtzoff 1953-11-1 1433 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164708  Solanum Peter Rubtzoff 1978-8-12 9254 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles east of Healdsburg on S. Fitch Mountain Road. Comment
  CAS-BOT-BC166694  Solanum Peter Rubtzoff 1959-9-19 4277 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164687  Solanum Peter Rubtzoff 1951-8-5 594 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  UCD126855  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma 1605 Laguna Road, Sebastopol. Comment
  SEINET11807811  Solidago occidentalis W. Knight, Wagnon, K. 1987-1 6106 Sonoma Willow Brook, N of Petaluma Comment
  CAS-BOT-BC361394  Solidago velutina subsp. californica Greg de Nevers 1993-7-27 10477 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa S slope of Telegraph Hill 400 Comment
  CAS-BOT-BC365266  Solidago velutina subsp. californica G. DeNevers 1981-6-15 1530 Sonoma Pepperwood Ranch. Below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  CAS-BOT-BC365956  Soliva sessilis G. DeNevers 1981-4-11 688 Sonoma Pepperwood Ranch. Lower orchard Comment
  CAS-BOT-BC365963  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54672 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC365964  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True 1981-5-14 54023 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC365970  Soliva sessilis D. E. Breedlove 1983-4-11 58689 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC374527  Sonchus asper John H. Thomas 1976-6-15 18326 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC236593  Sorghum halepense G. DeNevers 1981-7-31 1777 Sonoma Summerhome Park on the Russian River Comment
  CAS-BOT-BC236594  Sorghum halepense G. DeNevers 1981-6-26 1664 Sonoma Along River Road between Fulton and Mirabel Park, Russian River area Comment
  CAS-BOT-BC236635  Spartina foliosa James Moffett 1928-10-8 s.n. Sonoma Black Pint cut-off Comment
  SEINET7420494  Spartium junceum J. Landers 1974-9-28 s.n. Sonoma 5 miles west of Rio Nido. 91 Comment
  CAS-BOT-BC390043  Spergula arvensis G. DeNevers 1981-3-14 536 Sonoma Pepperwood Ranch. Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. Along Leslie road Comment
  CAS-BOT-BC390044  Spergula arvensis G. DeNevers 1981-4-2 615 Sonoma Pepperwood Ranch. In Hansel's cow bitten field Comment
  CAS-BOT-BC320501  Spergularia Peter Rubtzoff; Nancy Harrison; Walter Lennon; Marion Weiger 1974-5-11 7399 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD160293  Spergularia bocconi James A. Neilson Jr. 1974-5-24 2880 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 mi. west of Whispering Pines, Sonoma County. (Elevation and georeferencing estimated by label maker.) 1127 Comment
  UCD99235  Spergularia marina S. F. Bailey 1951-6-1 s.n. Sonoma Skagg's Island, north of Plack Point cutoff (Highway 48). Comment
  CAS-BOT-BC257342  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  CAS-BOT-BC500696  Stachys Peter Rubtzoff 1957-6-28 3392 Sonoma Duncans Mills Marsh Comment
  UC494179  Stachys ajugoides var. rigida H. E. and S. T. Parks 1930-5-9 618 Sonoma small stream at head Alexander Valley Comment
  UC884281  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  UC25954 Image available Stachys stricta J. Burtt Davy 1894-6-18 Sonoma Knight's Valley; ; Knight's Valley, Sonoma Co. Comment
  UCD166458  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-6-4 1901 Sonoma Forestville Marsh. Comment
  UC465523  Stellaria littoralis Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  CAS-BOT-BC397763  Stellaria media Mary P. Wells 1990-4-9 1041 Sonoma Santa Rosa; Yard in Rincon Valley Comment
  CAS-BOT-BC397764  Stellaria media A. A. Heller 1902-6-10 1041 Sonoma Santa Rosa Comment
  CAS-BOT-BC397770  Stellaria media G. DeNevers 1981-4-27 878 Sonoma Pepperwood Ranch; Green gate near Hansel's corral. Comment
  CAS-BOT-BC371379  Stellaria nitens Greg de Nevers 1998-5-5 11236 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UC1299292  Stephanomeria elata Freed W. Hoffman 1946-9-26 579 Sonoma road to Layton Mine, Austin Creek North Coast Ranges, Austin Creek Comment
  OBI35891  Stipa pulchra David J. Keil 1983-6-29 17205 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  UCD167361  Streptanthus James A. Neilson Jr. 1979-6-26 3976 Sonoma Mayacmas Mountans. About 2 1/2 miles northwest of Socrates Mine, 1/4 mile south of highest knoll above the Geysers on ridge that divides Big and Little Sulphur Creeks. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61146  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. Comment
  SEINET11993693  Streptanthus barbiger Unknown 1984-1 40221 Sonoma N of Cazadero, The Cedars, Big Austin Creek 427 Comment
  UC1292731  Streptanthus brachiatus Freed W. Hoffman 1951-7-30 3831 Sonoma E of Pine Ridge, near Contact Mine Comment
  UC1492709  Streptanthus brachiatus Freed W. Hoffman 1950-6-22 3379 Sonoma summit of ridge about 0.5 mi s Mercuryville (on road to Big Geysers); North Coast Ranges Comment
  UCD168162  Streptanthus brachiatus James Neilson 1977-3-28 3856 Sonoma Mayacmas Mountains, Location 8, US Geothermal 1. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET10735472 Image available Streptanthus brachiatus Arthur R. Kruckeberg 1949-6-5 Kruckeberg 2905 Sonoma Exposed serpentine ridge near Contact Mine, east of Pine Flat, on the Sonoma-Lake county line. 914 Comment
  CAS-BOT-BC87231  Streptanthus glandulosus subsp. glandulosus Mrs. C. A. Burlingame 1921-5-20 s.n. Sonoma Sonoma. Comment
  CAS-BOT-BC87234  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-4 6178 Sonoma Santa Rosa Canyon, north of Mount Hood. Comment
  UC1322476  Streptanthus glandulosus subsp. secundus Jerry Powell 1966-5-18 608 Sonoma two mi e Healdsburg (steep sw-facing outcrop next to road) Comment
  UC1492743  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-7-9 2848 Sonoma upper side of Sulphur Creek rd 3.6 mi from Highway 101 (from Geysers to Cloverdale); North Coast Ranges 182 Comment
  UC1492746  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma near Guerneville; North Coast Ranges, Del Preti Hill Comment
  UC985967  Streptanthus glandulosus subsp. secundus Freed W. Hoffman April, 1948 2701 Sonoma Gabe's Rock North Coast Range, Poole Ridge (1 mi nw of Guerneville) Comment
  UC985968  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-5-22 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1.0 mi nw of Guerneville) 213 Comment
  UC483689  Streptanthus glandulosus subsp. secundus Milo S. Baker 1932-5-8 5916 Sonoma 5 mi n Ft. Ross; Salt Point Comment
  CAS-BOT-BC87297  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  UC673192  Streptanthus glandulosus subsp. sonomensis Lincoln Constance and Reed C. Rollins 1942-5-10 2863 Sonoma 4 mi n Geyserville; North Coast Ranges 60 Comment
  CAS-BOT-BC87306  Streptanthus glandulosus subsp. sonomensis A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero. Comment
  UC1292743  Streptanthus morrisonii Freed W. Hoffman 1948-6-17 2347 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UCD167365  Streptanthus morrisonii James Neilson Date Unknown 4059 Sonoma Hillside due east of Layton Mines. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167451  Streptanthus morrisonii James Neilson 1983-6-13 4099 Sonoma East Austin Creek. (On the same date Neilson was in the upper reaches of East Austin Creek. Exact location unknown. Coordinates estimated by label maker.) Comment
  UC10916  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  RSA748  Symphoricarpos albus var. laevigatus E. R. Johnson 1928-8-22 s.n. Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  UCR254879  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC97824  Symphyotrichum chilense Greg de Nevers 1987-1-1 8121 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UCD136522  Symphyotrichum chilense Mary M. Hektner; Sue Dakizaku and Cathy Hendel 1974-6-28 83 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC97821  Symphyotrichum chilense Alice Eastwood 1918-9-3 7963 Sonoma Calistoga Comment
  CAS-BOT-BC97829  Symphyotrichum chilense L. R. Abrams 1907-8-1 s.n. Sonoma Sebastopol Comment
  UCD148394  Taraxacum Peter Rubtzoff 1958-4-26 3587 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD107049  Taraxia ovata C. Wistrom-Number 1996-4-6 21 Sonoma Healdsburg 1601 Dry Creek Road. 48 Comment
  UCD167336  Taraxia ovata James A. Neilson Jr. 1981-3-8 3984 Sonoma Mayacmas Mountains. Along Healsderg Geysers Rd. 1 mi. south Bragus Ranch. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CDA5449  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .288 Sonoma Cavedale Rd. Comment
  CAS-BOT-BC88007  Teesdalia coronopifolia Catherine Best 1990-3-24 1358 Sonoma On Acton Lane near Fulton northwest of Santa Rosa. Comment
  CAS-BOT-BC447462  Tellima grandiflora Lewis S. Rose 1962-4-18 62023 Sonoma 1 mi. nw of firestone 76 Comment
  SEINET12217339  Tellima grandiflora F. H. Utech 1988-1 88 -201 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC399885  Thalictrum polycarpum Peter Rubtzoff 1960-6-7 4448 Sonoma Austin Creek Marsh Comment
  RSA87001  Thermopsis californica var. californica F. W. Peirson, Mabel B. Peirson 1926-4-1 6546 Sonoma 3 miles south of Santa Rosa. Comment
  UCD108601  Thermopsis californica var. californica Botany 102 Students 1993-4-24 102 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1.3 air miles SE of Red Mtn, just SE of Sonoma Creek along Hillslide Trail at intersection with Brushy Peaks and Meadow Trails. 396 Comment
  CAS-BOT-BC66818  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-3-21 5114 Sonoma Hills southeast of Santa Rosa. Comment
  RSA0041614  Thysanocarpus curvipes var. elegans David D. Keck 1931-4-4 1099 Sonoma Santa Rosa Creek Canyon. 225 Comment
  SEINET11987373  Thysanocarpus curvipes var. elegans R. A. Schlising 1962-1 2125 -d Sonoma along Cavedale Road, 1 mi E of Hwy 12 Comment
  CAS-BOT-BC447597  Tiarella trifoliata subsp. unifoliata M. Thomas 1877-6-14 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC447592  Tiarella trifoliata subsp. unifoliata Peter Rubtzoff 1963-7-14 5208 Sonoma Duncans Mills Marsh Comment
  SBBG2854  Tiarella trifoliata var. unifoliata H. and M. Dearing 1939-5-15 3384 Sonoma N of Fort Ross Comment
  CAS-BOT-BC447588  Tiarella trifoliata var. unifoliata J. W. Congdon 1901-8-6 s.n. Sonoma Trail from Shell Beach to Pomo Campground. 40 Comment
  UCD160971  Torilis arvensis James A. Neilson Jr. 1975-7-8 3412 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC81457  Torreya californica James McMurphy 1909-5-29 s.n. Sonoma Grade between Geyser Mountain and Black Mountain Comment
  JEPS48379  Torreya californica Miss Alice Louise Griffin Sonoma Stewart's Point Comment
  NY20762  Torreya californica M. S. Baker 1941-8-4 8592 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
  UCD135176  Torreya californica Lalit M. Srivastava 1957-11-1 22 Sonoma At side of State Highway 1, ca. 100 yards south of Fort Ross. 30 Comment
  POM117572  Toxicodendron diversilobum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. 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
  UCD139866  Toxicoscordion fremontii L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  UC2025087  Toxicoscordion fremontii Fayla Schwartz 1991-3-23 162 Sonoma Grassy hillside, east side of Highway 1 (mile 50.59) near the Sea Ranch, just south of Black Point Beach. Comment
  JEPS25828  Trichostema laxum Harry K. Roberts 1961-6-20 Sonoma N and E of Occidental (Harrison Grade summit) Comment
  UC1191804  Trichostema laxum Herbert L. Mason 1946-7-4 12897 Sonoma 2 mi E of Occidental Comment
  UCLA54892  Trichostema laxum Marcus E. Jones 1931-7-5 Sonoma The Geysers Comment
  UCR50512  Trichostema laxum L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
  RSA107423  Trichostema laxum L. S. Rose 1955-7-11 55111 Sonoma 2 mi. E. of Occidental. 244 Comment
  SEINET3153534  Trichostema laxum M. S. Baker 1898-6-12 675 Sonoma Geysers Comment
  UCD117594  Trientalis latifolia M. Wiesendanger 1927-5-5 738 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC173533  Trifolium Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC173562  Trifolium Peter Rubtzoff 1974-5-11 7383 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC173628  Trifolium Peter Rubtzoff 1974-5-18 7428 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173636  Trifolium Peter Rubtzoff 1974-5-18 7426 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA784997  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  OBI12721  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  POM162076  Trifolium amoenum Joseph P. Tracy 1921-5-10 5548 Sonoma Near Petaluma Comment
  UC188464  Trifolium barbigerum J. W. Congdon 1880-5-9 Sonoma Petaluma Comment
  JEPS65920  Trifolium barbigerum var. andrewsii V. Blackney April 1929 Sonoma betw Trenton and Mark West Mt. Oliver School; Santa Rosa Comment
  CAS-BOT-BC368062  Trifolium ciliolatum Greg de Nevers 1998-5-26 11260 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UC1299170  Trifolium ciliolatum Freed W. Hoffman 1946-3-6 1858 Sonoma above Quicksilver Mine (near Guerneville); North Coast Ranges Comment
  UC1541593  Trifolium ciliolatum H. E. and S. T. Parks 1930-5-9 602 Sonoma Knights Valley Comment
  SEINET7075559  Trifolium depauperatum var. depauperatum A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UCSC005278  Trifolium depauperatum var. hydrophilum Randall Morgan 1995-5-18 2617 Sonoma Santa Rosa, Stony Point Road, across from Yuba Drive Comment
  JEPS65732  Trifolium depauperatum var. truncatum Milo S. Baker 1934-3-27 7583 Sonoma near vernal pool (Bennett Valley) Comment
  UCD84294  Trifolium depauperatum var. truncatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD33226  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Lytton. Comment
  UCD108821  Trifolium dubium Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 106 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  UCD108895  Trifolium fragiferum Frederica Bowcutt 1997-7-18 2186 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCR254920  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD37567  Trifolium grayi Beecher Crampton 1955-4-5 2416 Sonoma 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road. Comment
  UCD109129  Trifolium grayi Beecher Crampton 1955-4-5 2401 Sonoma 2 miles W of Fulton, Woolsey Road. Comment
  UCD111236  Trifolium incarnatum Elsie Zeile Lovegrove 1954-4-21 s.n. Sonoma Near Sonoma. Comment
  JEPS128259  Trifolium microcephalum Roger Raiche 2000-4-20 040 .00 Sonoma The Cedars. Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  UC494183  Trifolium microcephalum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  SEINET9336961  Trifolium microdon Unknown 1967-5-15 7926 Sonoma Foothill slopes, serpentine soils. Comment
  JEPS85900  Trifolium obtusiflorum Jack and Betty Guggolz 1991-7-29 1218 Sonoma 2 mi n Camp Meeker (Upper Duvoul Creek) 121 Comment
  CDA121  Trifolium repens D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .277 Sonoma Cavedale Rd. Comment
  UCSC005675  Trifolium stenophyllum Randall Morgan 1995-5-18 2610 Sonoma 6+ miles up Coleman Valley Road from Occidental Comment
  RSA244728  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  SEINET10577509  Trifolium variegatum var. rostratum Michener MICHENER s.n. Sonoma Kenwood Comment
  JEPS4393  Trifolium variegatum var. variegatum E. Ferguson Jun 8 1919-Jun 10 1919 240 Sonoma near Guerneville Comment
  JEPS4354  Trifolium willdenovii W. L. Jepson 1912-4-17 4770 Sonoma Sonoma Valley Comment
  UC165494  Trifolium willdenovii Milo S. Baker 1898-4-26 693 Sonoma Santa Rosa Creek Canyon Comment
  UC16731  Trifolium willdenovii F. T. Bioletti 1892-5-15 Sonoma South Los Guilicos Comment
  UCD33224  Trifolium willdenovii Beecher Crampton 1967-5-15 7925 Sonoma Sonoma County, Lytton. Comment
  UCR141953  Trifolium willdenovii Beecher Crampton 1967-5-15 7925 Sonoma Coast Range, Lytton, Alexander Valley 122 Comment
  RSA13534  Trifolium willdenovii H. E. Parks 1930-5-9 621 Sonoma Alexander Valley. Comment
  UC1541596  Trifolium wormskioldii H. E. and S. T. Parks 1930-5-9 603 Sonoma Knights Valley Comment
  CAS-BOT-BC451942  Triglochin maritima Peter Rubtzoff 1963-8-17 5224 Sonoma Near Petaluma River just east of Petaluma. Comment
  RSA216157  Triglochin maritima Peter Rubtzoff 1955-8-6 2023 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC520841  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 574 Sonoma Steep moist bluff at confluence of two ravines on Skaggs Springs Rd. about 10 mi. W of its Jct. with Dry Ck. Rd.; W of Geyserville Comment
  CAS-BOT-BC520848  Trillium albidum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  SEINET12051461  Trillium albidum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -263 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  UC1057438  Trillium chloropetalum G. Thomas Robbins 1937-3-26 27 Sonoma creek along rd. e. of Bodega Bay Comment
  JEPS76913  Trillium ovatum subsp. ovatum Robert M. Lloyd 1963-2-24 2045 Sonoma abandoned picnic ground 0.5 mi. n. of Occidental on rd. to Camp Meeks 45 Comment
  SEINET7067236  Triphysaria eriantha A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  SBBG7054  Triphysaria eriantha subsp. eriantha H. and M. Dearing 1939-4-29 323 Sonoma N of San Raphael Comment
  UC103177  Triphysaria eriantha subsp. rosea Alice Eastwood Apr. 1901 Sonoma Bodega Comment
  UC76114  Triphysaria eriantha subsp. rosea Milo S. Baker 1898-4-5 Sonoma between Sea View and Stewart's Pt.; between Sea View and Stewart's Pt. Comment
  CHSC20133  Triphysaria versicolor subsp. faucibarbata D. Joley 1975-4-24 300 Sonoma Junction of Rainsville and Liberty Rds, Petaluma. Comment
  CDA41893  Triphysaria versicolor subsp. faucibarbata T. C. Fuller 1967-5-19 15876 Sonoma Junction of Petaluma-Valley Ford Rd. and Hwy. 1, 1 mile southeast of Valley Ford. 0 Comment
  HSC20865  Triphysaria versicolor subsp. faucibarbata Anonymous 1957-4-13 77 Sonoma 1 mi. N of El Verano Comment
  JEPS45810  Trisetum canescens Eleanor Armstrong 1932-5-25 172 Sonoma near Camp Meeker 137 Comment
  UC651086  Trisetum canescens P. B. Kennedy June 1915 Sonoma Del Mar; n Sonoma County Comment
  CAS-BOT-BC200097  Trisetum canescens G. DeNevers 1981-5-30 1350 Sonoma On N side of Studio Road at base of hill, near the green Gate Comment
  UC1222814  Triteleia hyacinthina Joseph P. Tracy 1950-5-24 18686 Sonoma where the Knight's Valley Road enters Alexander Valley and leaves Mayacamas Creek; , Alexander Valley Comment
  CAS-BOT-BC522356  Triteleia hyacinthina Peter Rubtzoff 1959-5-31 4087 Sonoma Freestone Marsh; Sonoma County Marshes 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
  CAS-BOT-BC522364  Triteleia hyacinthina Peter Rubtzoff 1951-6-9 167 Sonoma Lower part of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC522370  Triteleia hyacinthina G. DeNevers 1981-5-9 1038 Sonoma Along the road W of the Red Corral; Pepperwood Ranch Comment
  SEINET8506264  Triteleia hyacinthina W. Roderick 1967-5-20 s.n. Sonoma NW edge of Santa Rosa. 46 Comment
  UCD160809  Triteleia laxa James A. Neilson Jr. 1973-6-6 2988 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
  CAS-BOT-BC527040  Triteleia laxa J. W. Congdon 1880-4-1 111 Sonoma Petaluma Comment
  CAS-BOT-BC527968  Triteleia peduncularis John Thomas Howell 1935-5-5 12606 Sonoma Low Field near Kenwood Comment
  CAS-BOT-BC527975  Triteleia peduncularis Peter Rubtzoff 1964-6-20 5363 Sonoma Laguna de Santa Rosa southwest of Sabastopol (nr. Cooper Rd.) Comment
  CAS-BOT-BC527979  Triteleia peduncularis Peter Rubtzoff 1965-6-20 5562 Sonoma Freestone Marsh Comment
  UC335173  Tropidocarpum gracile Hy. Edwards Apr 1877 139 Sonoma Skaggs Spr. Comment
  CAS-BOT-BC80205  Tsuga heterophylla B. F. Smith 1962-10-24 29 Sonoma 3.5 miles southeast of Gualala 182 Comment
  CAS-BOT-BC361283  Turritis glabra Greg de Nevers 1997-4-22 10952 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Above Bechtel House 400 Comment
  RSA540051  Typha domingensis Peter Rubtzoff 1966-7-4 5775 Sonoma Saguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC540807  Ulmus Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7854 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC91282  Umbellularia californica Walter Knight; Irja Knight 1963-12-27 476 Sonoma Summit, Pine Flat Road. Comment
  SEINET9317589  Umbellularia californica John Nelson, Wnek, R. 2000-3-5 20956 Sonoma Livereau Creek Comment
  SEINET5339110  Umbellularia californica L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa. Comment
  CAS-BOT-BC403983  Urtica dioica subsp. gracilis Peter Rubtzoff 1959-6-6 4088 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC403985  Urtica dioica subsp. gracilis Peter Rubtzoff 1960-5-18 4382 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC403989  Urtica dioica subsp. gracilis L. R. Abrams 1920-7-3 7601 Sonoma Gualala River near Mendocino--Sonoma Co. Line Comment
  CAS-BOT-BC404223  Urtica dioica subsp. holosericea Peter Rubtzoff 1968-8-24 5934 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC404240  Urtica dioica subsp. holosericea Peter Rubtzoff 1959-6-13 4116 Sonoma Willow Creek Marsh Comment
  POM106025  Urtica dioica subsp. holosericea Marcus E. Jones 1882-7-17 3483 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC404224  Urtica dioica subsp. holosericea Peter Rubtzoff 1958-8-17 3890 Sonoma Laguna de Santa Rosa sourtheast of Graton (near Guerneville Road) Comment
  UCD111550  Urtica dioica subsp. holosericea Frederica Bowcutt 1994-6-24 1901 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. Sonoma Creek, Gray Pine Trail between Vista Trail and Meadow Trail. 408 Comment
  CAS-BOT-BC391314  Vaccaria hispanica Miss May 1886-6-15 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC199473  Vaccinium parvifolium Ira L. Wiggins 1948-3-21 11617 Sonoma At western margin of Kruse Rhododendron State Park Comment
  CAS-BOT-BC199474  Vaccinium parvifolium Mrs. H. P. Bracelin 1930-7-27 s.n. Sonoma One mile N. of Fort Ross Comment
  CAS-BOT-BC76168  Vancouveria planipetala Peter Rubtzoff 1953-5-18 1409 Sonoma South of Guerneville. (Neeley Hill Area). Comment
  JEPS45856  Vancouveria planipetala Eleanor Armstrong 1932-5-18 475 Sonoma Camp Meeker 121 Comment
  CAS-BOT-BC311842  Verbascum Peter Rubtzoff; Nancy Harrison 1974-7-13 7678 Sonoma Upper Green Valley Marsh. Comment
  JEPS11192  Verbascum blattaria M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 244 Sonoma near Guerneville Comment
  SEINET12329982  Verbascum blattaria F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -152 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  UCD166726  Verbascum thapsus Peter Rubtzoff 1962-8-24 5070 Sonoma Fife Creek Marsh. Comment
  SJSU4770  Verbena litoralis W. A. Lordge 1963-11-2 21 Sonoma Fort Ross Comment
  CAS-BOT-BC164359  Veronica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mi. east of Guerneville. At 9981 Old River Road. Comment
  CAS-BOT-BC269309  Veronica Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  CAS-BOT-BC166741  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC262801  Veronica americana Peter Rubtzoff 1977-9-4 9127 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  RSA264764  Veronica anagallis-aquatica Peter Rubtzoff 1972-6-23 6782 Sonoma Laguna de Santa Rosa northeast of Graton, ca 0.5 mi north of Guerneville Road crossing. Comment
  UC750806  Veronica arvensis Charles B. Heiser Jr. 1946-4-13 1717 Sonoma 3 mi w of Duncan Mills (near Russian River) Comment
  UCR279868  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UC1010375  Viburnum ellipticum Milo S. Baker Apr 1932 5904 Sonoma near beginning Adobe Canyon (Ward Road, opposite M. S. Baker Ranch) 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
  CDA36954  Vicia benghalensis CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  CAS-BOT-BC361410  Vicia hirsuta Greg de Nevers 1997-5-8 10991 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Garrison Canyon 457 Comment
  UC1300880  Vicia sativa subsp. nigra Helen K. Sharsmith 1963-5-25 5490 Sonoma e of Occidental (on Coleman Valley road); San Francisco Bay Region 304 Comment
  UCSC000433  Vicia sativa subsp. nigra John Thomas Howell 1946-3-31 s.n. Sonoma Near Sonoma Comment
  UCD108855  Vicia sativa subsp. nigra Botany 102 Students 1993-4-24 79 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail near beginning of trail S of Sonoma Creek. 381 Comment
  UCD108915  Vicia sativa subsp. nigra Freed W. Hoffman 1947-4-7 1895 Sonoma Between Healdsburg and Calistoga. Comment
  RSA0065197  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Rd. 244 Comment
  UCSB31793  Vicia villosa Townsend, J. 1977-5-29 Sonoma On north side of Calif, state 12 in Freestone 304 Comment
  UC1084480  Viola adunca G. Thomas Robbins 1938-4-15 253 Sonoma about 2.5 mi e of Bodega Bay Comment
  UCD110664  Viola adunca subsp. adunca Mary M. Hektner 1974-6-24 64 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC540629 Image available Viola adunca subsp. ashtoniae Milo S. Baker 1933-4-8 7348 Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  UCD110882  Viola glabella R. H. Miller 1949-4-6 26 Sonoma Beside Highway 12, 5 miles SE of Monte Rio. Comment
  JEPS18183  Viola lobata subsp. integrifolia Rimo Bacigalupi with F. Chisaki and G. T. Robbins 1956-4-17 5588 Sonoma 1.4 mi w of Lake County Line (along Ida Clayton Road, 7.2 mi from its Kellogg Valley end) 762 Comment
  UC19289  Viola lobata subsp. lobata F. P. McLean May 1872 Sonoma woods near Geyser Comment
  UC1761619  Viola pedunculata Helen Von Grafen 1927-4-15 Sonoma near Cunningham station; Sebastopol Comment
  JEPS76916  Viola sempervirens Robert M. Lloyd 1963-2-24 2048 Sonoma 0.5 mi n of Occidental (on road to Camp Meeks, abandoned picnic ground) 45 Comment
  SD56681  Viola sempervirens Darley F. Howe 1963-7-3 Sonoma 20 mi. no. of jnct. With #12 on #1 Comment
  UC1761303  Viola sempervirens Mary Eloise Bauder 1929-6-4 4 Sonoma Pocket Canyon Guerneville Comment
  UC1761661  Viola sempervirens Mary Eloise Bauder 1929-5-25 3 Sonoma Pocket Canyon Guerneville Comment
  UC1784157  Viola sempervirens Milo S. Baker 1926-12-3 s.n. Sonoma Pocket Canyon Comment
  CAS-BOT-BC135295  Viscum album Arch M. Gilbert 1920-4-1 s.n. Sonoma Sebastopol Comment
  CDA2764  Viscum album O. E. Bremmer 1929-12-29 Sonoma Santa Rosa. 0 Comment
  UC1540660  Viscum album D. Wiens and R. Sharpf 1973-6-17 4900 Sonoma Sebastopol, in and around the town Sebastopol Comment
  UC1393644  Viscum album W. J. Ferlatte and William O. McCartney 1970-12-22 1326 Sonoma Sebastopol; 525 Main Street Comment
  CAS-BOT-BC290696  Vitis Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CAS-BOT-BC203128  Vitis californica Peter Rubtzoff 1952-6-3 1178 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  CAS-BOT-BC203136  Vitis californica W. W. Carruth 1900-7-1 s.n. Sonoma Near Healdsburg Comment
  POM117433  Vitis californica Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  POM127692  Vitis californica L. R. Abrams 1922-6-21 8099 Sonoma Healdsburg to Cloverdale. Comment
  UC1541477  Vitis californica H. E. and S. T. Parks 1930-8-20 693 Sonoma Maacama Creek Comment
  UCD158821  Vitis californica James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2898 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  CDA15738  Vitis vinifera G. F. Hrusa 1998-6-14 14590 Sonoma Cultivated Plants; on Foote Ranch. Immed. N of corner Ida Clayton Rd. & Hwy. 128, Knights Valley. Comment
  CAS-BOT-BC199905  Vulpia bromoides G. DeNevers; S. Kaza 1981-5-7 986 A Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC199909  Vulpia bromoides Peter Rubtzoff 1955-5-21 1878 Sonoma Ross Marsh Comment
  CAS-BOT-BC199910  Vulpia bromoides Peter Rubtzoff 1955-5-21 1858 Sonoma Forestville Marsh. North facing slope bordering the Marsh in the south Comment
  SEINET5424526  Vulpia bromoides V. Longozo 1999-4-19 s.n. Sonoma Bodega Bay Highway 0 Comment
  JEPS45823  Vulpia microstachys var. ciliata Eleanor Armstrong 1932-6-4 187 Sonoma 3 mi w Graton; Schlackley Flat 30 Comment
  SEINET10559775  Vulpia microstachys var. ciliata Henry N. Bolander Bolander 37 Sonoma Geysirs, lower California Comment
  CAS-BOT-BC361284  Vulpia microstachys var. pauciflora Greg de Nevers 1997-4-24 10963 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400