Search Results — 2000 specimen records retrieved (1285 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)
 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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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-BC383909  Abronia latifolia Mrs. H. C. Cantelow 1940-4-20 4023 Sonoma N. of Bay nr mouth of Salmon River Comment
  CAS-BOT-BC376300  Abutilon theophrasti Greg de Nevers 1992-7-25 10235 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Mark West Creek 304 Comment
  CAS-BOT-BC177032  Acacia dealbata Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 s.n. Sonoma Trinity Road 457 Comment
  UCD160512  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 701 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.37. 56 Comment
  CAS-BOT-BC332752  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  CAS-BOT-BC332797  Acer macrophyllum Irja Knight; Walter Knight 1964-11-15 785 Sonoma Hood's Peak at Johnson Lake Comment
  CAS-BOT-BC332799  Acer macrophyllum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54011 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD117027  Acer macrophyllum G. F. Hrusa 1995-4-2 12051 Sonoma corner of Franz Valley School Road and Franz Valley Road. 200 Comment
  CHSC10154  Acer negundo var. californicum Martha Meagher 1947-3-22 99 Sonoma County road one-half mile west of Freezeout Creek, across Russian River from Duncan's Mills. Roadside near river bed. Comment
  CAS-BOT-BC30085  Achillea millefolium Alice Eastwood 1915-6-29 4805 Sonoma Bodega Point Comment
  SD41359  Achillea millefolium Edith A. Purer 1932-7-24 4075 Sonoma Near Bodega Bay. Comment
  UCD128307  Achillea millefolium Mary M. Hektner 1976-12-14 277 Sonoma onto Walk-On-Beach; unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD128365  Achillea millefolium Rimy Waraich; Patti Togioka 1993-5-8 236 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  UC88432  Achyrachaena mollis W. E. Bryant Sonoma Healdsburg Comment
  JEPS128383  Acmispon americanus var. americanus Roger Raiche 2000-7-24 141 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  UCD103779  Acmispon americanus var. americanus Frederica Bowcutt 1994-5-21 1801 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail, approx. 1/4 mile from trailhead. 1300 Comment
  UCD35653  Acmispon brachycarpus Beecher Crampton 1959-6-16 5373 Sonoma 1 mile east of Occidental. Comment
  OBI12974  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9288 Sonoma Timber cove Comment
  UC466769  Adenostoma fasciculatum W. P. Taylor 1913-6-23 Sonoma 7 mi. w. Cazadero (e. side <________ Niestrath's ?>) Comment
  UCR198233  Adenostoma fasciculatum Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .273 Sonoma Cavesdale Road 518 Comment
  JEPS128375  Adiantum aleuticum Roger Raiche 2000-5-5 092 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  JEPS97818  Adiantum aleuticum R. Raiche and K. Zadnik 1981-1-12 Sonoma Willow Creek Rd. 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-BC65686  Adiantum jordanii Walter Knight; Irja Knight 1963-12-27 459 Sonoma Pine Flat Rd. Comment
  JEPS128359  Adiantum jordanii Roger Raiche 2000-3-11 003 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CDA1677  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  UCR254921  Aegilops triuncialis Greg de Nevers 1989-1 9066 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET265728  Aesculus californica Royal D. Suttkus 1967-6-25 67- 29 -1 Sonoma 4.4 miles SE of Alexander Valley. Comment
  UCR218642  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16207 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  UCD160822  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3374 Sonoma Section 10, along Geysers Road, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UCD128435  Agoseris grandiflora Frederica Bowcutt 1994-6-12 1864 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC15400  Agoseris grandiflora var. grandiflora Peter Rubtzoff 1952-6-3 1172 Sonoma Fitch Mtn. Grove near Healdsburg Comment
  CAS-BOT-BC22786  Agoseris heterophylla G. DeNevers 1981-4-25 857 Sonoma Pepperwood Ranch, Mark West Creek and Leslie Creek confluence Comment
  SEINET7067263  Agoseris heterophylla A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC13167  Agoseris hirsuta John Thomas Howell 1930-6-8 5268 Sonoma North end of Bodega Bay Comment
  UC29384  Agoseris retrorsa H. N. Bolander 1864-1 3956 Sonoma at Geysers Comment
  CAS-BOT-BC210002  Agrostis Peter Rubtzoff 1964-8-20 5461 Sonoma Americano Creek area, along Petaluma-Valley Ford road near Bloomfield Comment
  CAS-BOT-BC210015  Agrostis Peter Rubtzoff 1968-8-24 5933 Sonoma Upper Salmon Creek Marsh 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
  RSA785750  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh Comment
  UCD166333  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh. Comment
  UCD55663  Agrostis Beecher Crampton Date Unknown Sonoma Barker Hill. Comment
  UCD51834  Agrostis blasdalei Freed W. Hoffman 1943-5-16 2208 Sonoma Death Rock, Bodega Park, Sonoma Coast. Comment
  SEINET3916084  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1.; 0 Comment
  UCR119036  Agrostis clivicola Beecher Crampton 1957-7-11 4336 Sonoma Central Coast, 1.7 miles north of Salmon Creek, Sonoma Coast State Park along State Highway 1 30 Comment
  CAS-BOT-BC127469  Agrostis densiflora Alice Eastwood 1915-6-29 4871 Sonoma Bodega Point. Comment
  UCD37153  Agrostis densiflora Beecher Crampton 1957-7-11 4336 Sonoma Sonoma County, 1.7 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51890  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD148470  Agrostis exarata Peter Rubtzoff 1964-6-3 5342 Sonoma Bodega Bay Marsh. Comment
  UCD52392  Agrostis exarata Collector unknown Date Unknown Sonoma near Lewis School. Comment
  UCD52239  Agrostis exarata var. pacifica Beecher Crampton 1955-7-15 2915 Sonoma 6 miles west of Forest Hill. Comment
  CAS-BOT-BC139552  Agrostis gigantea Peter Rubtzoff 1951-7-8 391 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  UC1146696  Agrostis microphylla Freed W. Hoffman 1941-6-20 2088 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  CAS-BOT-BC138912  Agrostis pallens Roxana S. Ferris; Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump. Comment
  CAS-BOT-BC138926  Agrostis pallens G. DeNevers 1981-6-20 1592 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Comment
  UCD144566  Agrostis pallens Frederica Bowcutt 1994-6-12 1856 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC138596  Agrostis stolonifera Peter Rubtzoff 1951-7-8 388 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC47987  Ailanthus altissima Greg de Nevers 1992-6-26 10185 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  RSA785372  Aira caryophyllea Peter Rubtzoff 1974-5-18 7438 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC138188  Aira praecox John H. Thomas 1976-6-16 18339 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD55804  Aira praecox Beecher Crampton 1957-7-11 4327 Sonoma Sonoma Coast State Park along State Hwy. 1, 0.9 miles north of Salmon Creek. Comment
  CAS-BOT-BC445328  Alisma lanceolatum Peter Rubtzoff 1959-6-20 4174 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC445346  Alisma lanceolatum Peter Rubtzoff 1955-8-27 2105 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC445472  Alisma triviale Volney Rattan 1879-1-1 s.n. Sonoma Healdsburg Comment
  RSA94453  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  CAS-BOT-BC376322  Allium Greg de Nevers 1993-5-17 10450 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen east of 3865 Franz Valley Road. 400 Comment
  JEPS128306  Allium amplectens Roger Raiche 2009-4-30 027 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  UCD84096  Allium amplectens Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC461068  Allium amplectens Alice Eastwood 1915-6-5 4607 Sonoma Petrified Forest Comment
  CAS-BOT-BC469101  Allium dichlamydeum Dorothy Scherer 1996-6-3 045 Sonoma 1 mile north of park headquarters, Fort Ross State Historic Park 12 Comment
  POM110163  Allium dichlamydeum Marcus E. Jones s.n. Sonoma Bodego Point Comment
  SEINET5502059 Image available Allium dichlamydeum Sally Walker 1982-1 s.n. Sonoma Duncans landing Comment
  UCD169968  Allium triquetrum Gary Bjork 2001-4-4 PDR 117291 Sonoma 2474 Copperfield Ct., Santa Rosa. Comment
  UCD160307  Allium unifolium James A. Neilson Jr. 1975-5-23 3207 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC474315  Allium unifolium G. DeNevers 1981-5-9 1061 Sonoma Below the old Strebel Homestead Comment
  SEINET11998402  Allotropa virgata Unknown 1986-1 60135 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 366 Comment
  UCD166182  Alnus rubra Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  UC579598 Image available Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1 1/2 mi. e. Occidental; Sebastopol Quad. 91 Comment
  CAS-BOT-BC540844  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7843 Sonoma Kenwood Marsh Comment
  SEINET11933370  Amaranthus blitoides W. Knight, Knight, I.; Edwards, S. W. 1984-1 5068 Sonoma along Willow Creek between Denman Flat and Corona Rd, 2 mi N of downtown Petaluma Comment
  JEPS54310  Amaranthus hybridus Josie Hendricks Aug 1891 Sonoma Comment
  OBI33919  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  CAS-BOT-BC154125  Ammannia coccinea Peter Rubtzoff 1963-9-21 5271 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC157697  Ammannia coccinea Peter Rubtzoff 1963-8-24 5238 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC137886  Ammophila arenaria John H. Thomas 1969-9-21 15472 Sonoma Coastal strand, near mouth of Russian River. Comment
  UCD55996  Ammophila arenaria Mary M. Hektner 1974-7-2 99 Sonoma near State Highway 1, Sea Ranch, Unit 28 Owners' Map, near Walk-on-Beach. Comment
  UCD56000  Ammophila arenaria Freed W. Hoffman 1941-6-22 2086 Sonoma North Coast Ranges, Sonoma Coast, Death Rock Beach. Comment
  UCD104617  Amorpha californica var. napensis J. M. Tucker 1977-6-16 4397 Sonoma On upper Barnes Creek, in southern part of Shurtleff Ranch off Chalk Hill Road to the east, ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 152 Comment
  SD41402  Amsinckia spectabilis Edith A. Purer 1932-7-21 Sonoma Bodega Bay Comment
  SEINET2028844 Image available Anagallis arvensis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15219 Sonoma 2 miles north of Kellogg Comment
  UCD117444  Anagallis arvensis Charles B. Heiser Jr. 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC45083  Anaphalis margaritacea Mary P. Wells 1981-7-1 s.n. Sonoma Moonraker Road east of Coast Highway, The Sea Ranch Comment
  UCD56056  Andropogon glomeratus Walter Knight; Irja Knight 1968-1-1 2265 Sonoma on Sulphur Creek, Geysers Resort. Comment
  JEPS16079  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  SD41487  Angelica tomentosa var. hendersonii Edith A. Purer 1932-7-21 4046 Sonoma Bodega Bay Comment
  CAS-BOT-BC271432  Anisocarpus madioides G. DeNevers 1981-6-6 1463 Sonoma Woodland on N slope of Telegraph Hill, Pepperwood Ranch Comment
  CAS-BOT-BC273103  Anisocarpus madioides Peter Rubtzoff 1953-5-17 1382 Sonoma Near road from Vacation Beach to Edendale, near Guerneville 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
  UC978118  Anthoxanthum aristatum L. Beane and Lois E. James 1949-5-11 1942 Sonoma about halfway between Healdsburg and Windsor Comment
  UCD56134  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2415 Sonoma 2 miles southwest of Windsor. Comment
  UCD56154  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  SEINET11671349  Anthoxanthum aristatum Unknown 1940-1 841 Sonoma along Hwy 101, N of Windsor Comment
  CAS-BOT-BC280663  Anthoxanthum occidentale J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC280668  Anthoxanthum occidentale Peter Rubtzoff 1955-5-14 1844 Sonoma Duncans Mill Marsh. Area above the Marsh, along a western tributary of Orrs Creek Comment
  OBI35994  Anthoxanthum odoratum David J. Keil 1983-6-30 17210 Sonoma Stillwater Cove Regional Park Comment
  UC78900  Anthoxanthum odoratum Edward Lee 1936-6-8 2224 Sonoma Bohemian Grove, grounds near entrance Bohemian Grove Comment
  UCD56233  Anthoxanthum odoratum G. F. Hrusa; G. L. Stebbins 1994-3-28 11707 Sonoma Fisk Mill Parking Area, Salt Point State Park. 7 Comment
  UC978117  Anthriscus caucalis L. Beane and Lois E. James 1949-5-11 1985 Sonoma 3 mi e Hopland Comment
  UCD160312  Anthriscus caucalis James A. Neilson Jr. 1975-5-23 3212 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  JEPS5335  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum W. L. Jepson 1923-6-28 10004 Sonoma near Kenwood; Sonoma Canyon 243 Comment
  CAS-BOT-BC237923  Antirrhinum virga Milo S. Baker 1926-1-1 230 a-Local Sonoma Macartney Ranch - Los Gulicos [Guilicos] Val. Comment
  CAS-BOT-BC248902  Antirrhinum virga Roger Raiche 1985-6-30 RR 50574 Sonoma Unnamed ridge on west side of Dry Creek Valley north of Crane Creek and south of Bradford Mt., at headwaters of Grape Creek 304 Comment
  UC874555  Apium graveolens Marcus E. Jones, A. M. 1882-7-17 3604 Sonoma Duncan Mills Comment
  SEINET7924427  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa. Comment
  SEINET12093899  Aquilegia formosa F. H. Utech 1988-1 88 -225 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  JEPS52998  Arabis blepharophylla Alice Griffin 1928-4-15 Sonoma Bodega Comment
  UCD67496  Arbutus menziesii D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville-Jimtown. Gird Creek. 350 Comment
  CAS-BOT-BC56911  Arctostaphylos John Thomas Howell 1934-3-3 11747 Sonoma Between Fort Ross and Stewart's Point Comment
  CHSC69208  Arctostaphylos James D. Jokerst 1989-4-14 3098 Sonoma Healdsburg Area A Specific Plan Study, in project area, NE corner of project area. Comment
  RSA629208  Arctostaphylos Jon E. Keeley 1993-9-11 24792 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388323  Arctostaphylos X candidissima Freed W. Hoffman 1947-9-29 505 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  CAS-BOT-BC24086  Arctostaphylos bakeri Roxana S. Ferris; Laura Lorraine 1961-6-15 13566 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road. Comment
  CAS-BOT-BC24089  Arctostaphylos bakeri John Thomas Howell 1934-2-22 11732 Sonoma 2 miles east of Occidental Comment
  UCD50407  Arctostaphylos bakeri subsp. sublaevis Roger Raiche 1982-4-10 20301 A Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about 0.7 mi. in from King Ridge Rd. on Old Layton Mine Rd. On topo map, area is called 'The Cedars,' north of Cazadero, in Sonoma County. Comment
  SEINET11991947  Arctostaphylos canescens W. Knight, Knight, I. 1984-1 5062 Sonoma Alta Vista Lane, Rincon Ridge, Santa Rosa Comment
  POM209636  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 12 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  CAS-BOT-BC23885  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23895  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa Comment
  POM367248  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  UC876538  Arctostaphylos canescens subsp. sonomensis Lewis S. Rose 1940-2-12 40006 Sonoma 2 mi e Santa Rosa (type locality); Rincon Ridge 60 Comment
  UCD50536  Arctostaphylos canescens var. sonomensis Walter Knight; Irja Knight 1982-3-9 4497 Sonoma From Tilden Botanic Garden, Berkeley. Originally collected from Montecito Heights, Rincon Ridge, Santa Rosa. Comment
  SEINET11989282  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I. 1982-1 4443 Sonoma Tilden Botanic Garden, Berkeley, originally from Rincon Ridge Comment
  CAS-BOT-BC23603  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC24983  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55004 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality Comment
  CAS-BOT-BC24987  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5769 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24993  Arctostaphylos densiflora Milo S. Baker 1928-4-18 5045 -G Sonoma Near Vine Hill Schoolhouse. 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-BC25012  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4083 Sonoma Originally from Vine Hill area near Sebastopol. Comment
  CAS-BOT-BC25022  Arctostaphylos densiflora John Thomas Howell 1929-8-12 3488 a Sonoma Road NE of Occidental. Comment
  JEPS98816  Arctostaphylos densiflora James Roof and Walter Knight 1967-3-20 Sonoma a few mi W of Santa Rosa (Clark's Driveway, Box 5980 on Guerneville Road, near int. with Laguna Road) 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
  RSA177948  Arctostaphylos densiflora R. F. Thorne 1965-4-19 34320 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  UC1084443  Arctostaphylos densiflora G. Thomas Robbins 1940-3-22 303 Sonoma ca 8.5 mi w Santa Rosa (apple orchard along Guerneville rd); Vine Hill region 45 Comment
  UC1120148  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1567 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1120153  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 831 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC571086  Arctostaphylos densiflora H. L. Mason 1931-3-7 5806 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  CAS-BOT-BC23277  Arctostaphylos glandulosa subsp. cushingiana H. F. Copeland 1933-3-18 A 10 Sonoma Vine Hill region west of Santa Rosa. Comment
  CAS-BOT-BC23325  Arctostaphylos glandulosa subsp. cushingiana C. Hart Merriam 1907-7-27 s.n. Sonoma Mt. St. Helena, Knights Valley slope Comment
  CAS-BOT-BC24677  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Steve Edwards 1986-3-23 5366 Sonoma On Geysers Rd. near Mercuryville at junction of private road ro Sulphur Peak. 822 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
  SBBG33602  Arctostaphylos glandulosa subsp. glandulosa C. Bornstein, E. Collins 2006-8-23 Sonoma near Occidental, Willow Crk Rd, ca. 1 mi NW of jct with Coleman Valley Rd 396 Comment
  UC1120212  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1574 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC549392  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma five mi n Cazadero Comment
  JEPS83505  Arctostaphylos hispidula Jack and Betty Guggolz 1986-3-8 853 Sonoma ca 15 mi nw Healdsburg (9.1-9.3 mi from jnt. Stewart's Point Rd. and Rockpile Rd. on Rockpile Rd. ne side) Comment
  RSA339413  Arctostaphylos hispidula Roger Raiche 1984-2-26 RR 40044 Sonoma On Rockpile Road ca. 9.1 miles north of origin of Skaggs Springs-Stewarts Point Road 502 Comment
  CAS-BOT-BC39112  Arctostaphylos hispidula Roger Raiche 1984-1-14 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile road). 518 Comment
  CAS-BOT-BC38988  Arctostaphylos manzanita Roger Raiche 1983-7-3 30476 Sonoma East Austin Creek State Rec. Area, near Redwood Lake, at edge of forest on north-facing slope. 365 Comment
  CDA37441  Arctostaphylos manzanita D. G. Kelch, T. McGregor 2010-8-22 10 .342 Sonoma Geyser Peak Rd. Comment
  RSA633052  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  RSA633064  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24710 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  SBBG119553  Arctostaphylos manzanita C. Bornstein, E. Collins 2006-8-24 Sonoma Rincon Ridge Park Sensitive Area, Park Gardens Drive off Rincon Ridge Drive 259 Comment
  UCD166535  Arctostaphylos manzanita Dylan O. Burge 2016-1-31 2036 Sonoma Russian River Valley, just S of Hopland, roadside on U.S. Route 101. 170 Comment
  UCD51990  Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch; 10 miles west of Santa Rosa. Comment
  UCD59420  Arctostaphylos manzanita Walter and Irja Knight; Research Associates, Roger Raiche, and Steve Edwards 1983-7-3 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch. 274 Comment
  SEINET11984823  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1066 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11990958  Arctostaphylos manzanita Unknown 1983-1 30499 A Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990959  Arctostaphylos manzanita Unknown 1983-1 30499 C Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990979  Arctostaphylos manzanita Unknown 1983-1 30476 Sonoma near Redwood Lake, East Austin Creek State Recreation Area 366 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-BC38712  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  CAS-BOT-BC38722  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College avenue Highway, near Santa Rosa Comment
  CAS-BOT-BC38745  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1929-2-22 3398 b Sonoma Near Vine Hill school house Comment
  RSA3947  Arctostaphylos manzanita subsp. manzanita I. L. Wiggins 1932-3-12 5762 Sonoma Between Franz Valley and Knight's Valley. Comment
  UC1388366  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-2-27 769 Sonoma near Guerneville; North Coast Ranges, Lone Mountain Farm Comment
  UC726694  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1941-6-4 16161 Sonoma on the Gurneville Road about 2 mi n Graton Comment
  CAS-BOT-BC38678  Arctostaphylos manzanita subsp. manzanita Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4157 Sonoma From Strybing Arboretum, San Francisco, #78-161. Originally from Hood's Peak in Sonoma County. Comment
  CAS-BOT-BC56921  Arctostaphylos nummularia Mary P. Wells 1983-8-4 s.n. Sonoma Stump Beach, Salt Point State Beach Comment
  CAS-BOT-BC45399  Arctostaphylos nummularia Mary P. Wells 1985-10-4 675 Sonoma Ca. 1 mi. s. of Gualala River. Comment
  CAS-BOT-BC43875  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5771 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CDA12038  Arctostaphylos stanfordiana G. F. Hrusa 1990-1-2 7351 Sonoma North Coast Biodiversity Arena; NW slopes of Hogback Mtn. approx. 4 km. NE of Sonoma. Comment
  UC549547  Arctostaphylos stanfordiana J. E. Adams 1934-3-10 637 Sonoma Mt. St. Helena Comment
  UCD162184  Arctostaphylos stanfordiana D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1522 Sonoma Hooker Creek watershed. 520 Comment
  UCD53851  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 692 Sonoma On Rincon Ridge; near end of Parker Hill Road; ca. 4 miles north of Santa Rosa. Comment
  SEINET11996223  Arctostaphylos stanfordiana J. T. Vale 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  SEINET11984944  Arctostaphylos stanfordiana subsp. bakeri Unknown 1966-1 695 Sonoma E of Occidental Ridge on Graton Rd, ca 2.5 mi E of Occidental Comment
  JEPS83503  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz 1986-2-9 843 Sonoma just inside conservation easement at end of Bluesage Court; Southridge Development Comment
  SEINET11995501  Arctostaphylos stanfordiana var. repens W. Knight, Knight, I.; Edwards, S. 1985-1 6051 Sonoma Chapman Branch of Crane Creek, near Dorman Canyon 265 Comment
  CAS-BOT-BC47204  Arctostaphylos uva-ursi Roger Raiche 1983-7-5 30488 Sonoma Horseshoe Point, near Kruse Rhododendron State Reserve. Comment
  SEINET11990978  Arctostaphylos uva-ursi Unknown 1983-1 30488 Sonoma Horseshoe Point, near Kruse Rhodendron State Reserve Comment
  UCD52617  Arctostaphylos viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma Comment
  UC1193017  Arctostaphylos viscida subsp. pulchella P. Zinke 1949-6-14 62 Sonoma divide between Dry Creek and Smith Creek; Quad 61A3 457 Comment
  CAS-BOT-BC47468  Arctostaphylos viscida subsp. viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ridge, north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek. Comment
  UCR44931  Arenaria douglasii L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  RSA416044  Aristolochia californica Christopher Davidson 1977-6-17 5875 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  CAS-BOT-BC400481  Aristolochia californica Greg de Nevers 1980-3-19 552 Sonoma Pepperwood Ranch. Confluence of Leslie Creek with Mark West Creek 68 Comment
  UCD19910  Armeria maritima subsp. californica C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1191 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  UCSB19199  Armeria maritima subsp. californica Jensen, Karen 1965-4-16 Sonoma State Highway 1; 3 km. N of Salmon Creek Bridge; N of Bodega 18 Comment
  CHSC1226  Armeria maritima var. californica A. Small 1954-6-4 Sonoma Doran Park. Comment
  CAS-BOT-BC167154  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CDA31283  Arnica discoidea D. G. Kelch, Ed Biffin 2010-5-3 10 .192-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC368030  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway. Comment
  UC573782  Arrhenatherum elatius H. S. Yates 1937-5-30 6557 Sonoma 1 1/2 mi n of Freeestone 91 Comment
  CAS-BOT-BC176376  Artemisia douglasiana Peter Rubtzoff 1958-8-17 3892 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  UCD148374  Artemisia douglasiana Peter Rubtzoff 1955-10-12 2164 Sonoma Duncans Mills Marsh. 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
  UC6177  Asarum caudatum Dr. Lorini Jun 1896 Sonoma Mount St. Helena Comment
  JEPS13274  Asclepias fascicularis Rimo Bacigalupi with G. T. Robbins 1955-7-14 5295 Sonoma 5.3 mi s El Verano junction (California State Highway 37, (El Verano Junction is 1 mi w ofr Schellville)) 3 Comment
  UCD160918  Asclepias fascicularis James A. Neilson Jr. 1975-7-8 3380 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  SEINET10742133  Asclepias solanoana Helen K. Sharsmith 1952-6-18 Sharsmith 4128 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains 975 Comment
  RSA164631  Aspidotis densa P. C. Everett 1963-11-21 24565 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  CDA31025  Aster radulinus D. G. Kelch, Troy McGregor 2010-8-22 10 .345 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC164695  Asteraceae Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  NY5343  Astragalus breweri W. H. Brewer 1860-1 974 Sonoma Sonoma Valley. Comment
  UC353936  Astragalus breweri Milo S. Baker 1928-4-18 2975 b Sonoma Hiway 1/2 mi n Occidental; n of Occidental Comment
  CAS-BOT-BC186820  Astragalus gambelianus A. A. Heller; H. E. Brown 1902-4-4 5214 Sonoma Hills East of Santa Rosa Comment
  POM16000  Astragalus gambelianus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-4 8055 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  RSA415822  Astragalus gambelianus J. T. Howell 1931-4-19 6433 Sonoma Spring Mountain Road, 7.5 miles from St. Helena. Comment
  UCD136300  Athyrium filix-femina var. cyclosorum Mary M. Hektner 1976-12-15 282 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC290668  Atriplex Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UC850844  Atriplex leucophylla Milo S. Baker 1932-6-10 5877 Sonoma next beach n Salmon Cr; n of Salmon Cr Comment
  UCD97497  Atriplex leucophylla P. G. Connors 1991-6-17 162 Sonoma Bodega Marine Laboratory. Comment
  UCR248351  Atriplex prostrata Peter Rubtzoff 1958-9-6 3974 Sonoma Laguna de Santa Rosa, north of Cunningham [Marsh] (near Todd Road) 24 Comment
  UCR248352  Atriplex prostrata Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Gratton (0.5 mi. north of Guerneville Road) 27 Comment
  UCR248362  Atriplex prostrata Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh Comment
  UC1925873  Atriplex triangularis Ethel Crum 1930-10-5 871 Sonoma Petaluma Marshes, Sonoma County to Rio Vista, Solano County. Comment
  RSA122855  Atriplex truncata G. A. Graham 1937-8-11 159 Sonoma 1.5 miles SSW of Sonoma. Comment
Read comments Sep 5 2012
  SEINET4342865  Avena barbata V. Longozo 1999-4-19 s.n. Sonoma Bodego Bay Highway Comment
  JEPS128387  Avena fatua Roger Raiche 2000-4-23 046 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC68345  Azolla filiculoides Peter Rubtzoff 1951-8-4 574 A Sonoma Pitkin Marsh, near Forestville - Northern half of Lower Marsh Comment
  SD254556  Azolla filiculoides Ann Howald, Christina Freeman 2015-1-1 3411 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail (Kenwood 7.5'Q) 362 Comment
  CAS-BOT-BC98603  Baccharis douglasii John Thomas Howell 1945-8-14 21398 Sonoma Perry Marsh Comment
  RSA783716  Baccharis douglasii Peter Rubtzoff 1955-9-24 2147 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC99590  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6182 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 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-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-BC173601  Barbarea Peter Rubtzoff 1989-4-30 9988 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16696  Barbarea orthoceras Dorothy Scherer 1996-3-25 018 Sonoma West of Highway 1 and south of Kolmer Gulch, Fort Rose State Historic Park. 12 Comment
  UCR254839  Barbarea orthoceras Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road 168 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
  UCR255701  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  POM144396  Barbarea vulgaris A. A. Heller, H. E. Brown 1902-3-20 s.n. Sonoma Near Windsor. Comment
  CAS-BOT-BC145840  Beckmannia syzigachne Peter Rubtzoff 1958-7-5 3744 Sonoma Atascaderos Creek Marsh. Comment
  CAS-BOT-BC145841  Beckmannia syzigachne Peter Rubtzoff 1955-5-7 1817 Sonoma Ross Marsh. Comment
  RSA13556  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  UC1745654  Beckmannia syzigachne Annetta M. Carter 1934-4-29 508 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  UCR248770  Beckmannia syzigachne Peter Rubtzoff 1976-5-30 8571 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  UC127249  Beckmannia syzigachne C. H. Dwinelle 1908-7-13 3 Sonoma Meacham Sta. Fulton Comment
  UCD56805  Beckmannia syzigachne Lloyd M. Harwood 1972-5-25 s.n. Sonoma Near Petaluma. Comment
  JEPS97534  Bellis perennis R. D. Stone 1980-11-30 330 Sonoma near landing strip and fire station at Sea ranch Annapolis Rd.; Sea Ranch 91 Comment
  SEINET5223259  Bellis perennis Unknown 1994-4-3 79 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  CAS-BOT-BC106395  Bellis perennis Alice S. M. McKenzie 1981-2-12 25 Sonoma Calif. State Hwy. 1 at marker #44.53 - Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC290722  Bidens frondosa Peter Rubtzoff 1961-8-24 4712 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  UC727762  Bidens frondosa Milo S. Baker 1946-8-17 11560 Sonoma at the crossing of the Occidental Road (The Laguna); The Laguna Comment
  CAS-BOT-BC290563  Bidens laevis Peter Rubtzoff 1963-11-11 5301 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC290698  Bidens laevis Peter Rubtzoff 1958-9-27 4015 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road) Comment
  CAS-BOT-BC100247  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 miles south of El Verano on Arnold Drive Comment
  CAS-BOT-BC100249  Blennosperma bakeri Milo S. Baker 1952-3-20 12393 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur Comment
  JEPS19365  Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma 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
  UC1211922  Blennosperma nanum var. nanum John H. Weiler 1961-2-17 615 Sonoma 3.4 mi n of, along State Highway 12 Agua Caliente Comment
  CAS-BOT-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
  CAS-BOT-BC154953  Boisduvalia densiflora Peter Rubtzoff 1954-9-6 1739 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC154958  Boisduvalia densiflora Peter Rubtzoff 1958-8-23 3920 Sonoma Laguna de Santa Rosa, E of Cunningham (near Llano Road) Comment
  RSA790866  Boisduvalia densiflora Peter Rubtzoff 1969-8-26 6154 Sonoma River Road. 3 miles W of Fulton. Comment
  CAS-BOT-BC28225  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-31 3684 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  RSA0034188  Bolboschoenus maritimus Peter Rubtzoff 1972-8-26 6859 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC322141  Bolboschoenus maritimus Peter Rubtzoff 1955-8-6 2021 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC368070  Boykinia Greg de Nevers 1998-5-31 11268 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek below Michele Lane. 400 Comment
  CAS-BOT-BC371427  Boykinia occidentalis Greg de Nevers 1996-6-10 10830 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Mark West Creek below Leslie Creek 400 Comment
  RSA54043  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC376301  Brassicaceae Greg de Nevers 1989-2-1 9035 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  CAS-BOT-BC157983  Brassicaceae Peter Rubtzoff 1972-4-23 6737 Sonoma Vernal pool, 4.25 miles W of Glen Ellen on Bennett Valley Road Comment
  JEPS121160  Briza maxima Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18591 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UC1010994  Briza maxima Virginia Bufford 1936-5-1 192 Sonoma near Monte Rio Comment
  UCD57125  Briza maxima Michael A. Vincent; Ethan H. Freid 1997-11-14 8172 Sonoma Bodega Bay. 0.5 mile northeast of city limits along Rt. 1. Comment
  UCD57163  Briza maxima Milo S. Baker 1945-5-5 10894 Sonoma Baker Ranch near Kenwood. Comment
  UCD57170  Briza maxima N. F. Sommer 1954-5-15 82 Sonoma Along State Highway 12. 3.1 miles north of Freestone. 30 Comment
  SEINET10514376  Briza media Michener MICHENER s.n. Sonoma Kenwood. Comment
  CAS-BOT-BC145280  Briza minor A. A. Heller 1902-6-4 5649 Sonoma Santa Rosa. Comment
  CAS-BOT-BC145281  Briza minor A. A. Heller 1902-6-7 5649 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC145297  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC145299  Briza minor John H. Thomas 1966-5-8 11602 Sonoma 1.4 mile west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  POM204032  Briza minor J. T. Howell 1934-3-25 367 Sonoma Petaluma Comment
  POM205306  Briza minor A. S. Hitchcock 1902-6-7 5649 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  JEPS79161  Brodiaea appendiculata Nancy Harrison 1980-5-16 2125 Sonoma directly s. of vineyard and Piner Elementary School (Piner and Fulton roads are north, west Santa Rosa); west Santa Rosa Comment
  JEPS79162  Brodiaea appendiculata Nancy Harrison 1980-5-16 2125 Sonoma directly s. of vineyard and Piner Elementary School (Piner and Fulton roads are north, west Santa Rosa); west Santa Rosa Comment
  CAS-BOT-BC478963  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  SEINET180834  Brodiaea capitata E. Tucker Sonoma Camp Meekee. Comment
  CAS-BOT-BC474558  Brodiaea coronaria Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1 43 Comment
  SEINET12044726  Brodiaea coronaria L. S. Rose 1932-1 32301 Sonoma Shellville Comment
  CAS-BOT-BC484393  Brodiaea elegans subsp. elegans Roxana S. Ferris; Laura Lorraine 1961-6-14 13528 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CAS-BOT-BC484398  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6086 A Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol Comment
  CAS-BOT-BC486533  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  CAS-BOT-BC486538  Brodiaea elegans subsp. elegans Marcus E. A M Jones 1882-7-7 s.n. Sonoma St. Lawrence Comment
Read comments Apr 7 2018
  SEINET7042390  Brodiaea jolonensis A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  PASA507  Brodiaea laxa Frank W. Peirson 1926-4-1 Sonoma 6 miles south of Cloverdale Comment
  SEINET5500783 Image available Brodiaea laxa Sally Walker 1981-5-25 Sonoma 4 mi W of Occidental. Comment
  JEPS5694  Brodiaea leptandra W. L. Jepson 1923-6-28 10006 Sonoma Sonoma Canyon Vicinity of San Francisco Bay, Kenwood Comment
  SEINET7040126  Brodiaea pulchella A. G. Vestal 1962-4-12 Sonoma On Mark Springs Road, North of Santa Rosa, 6.4 miles northeast of Route 101. UTM Zone 10, 524439mE, 4265737mN. Comment
  SD24123  Brodiaea stellaris R. F. Hoover 1938-6-14 3611 Sonoma 3 miles west of Graton, on road to Occidental. Comment
  UC1300937  Brodiaea terrestris subsp. terrestris Helen K. Sharsmith 1963-5-25 5474 Sonoma Two Rock to Tomales road (w edge of Sonoma County); San Francisco Region 91 Comment
  CAS-BOT-BC486464  Brodiaea terrestris subsp. terrestris Rimo Bacigalupi 1926-3-27 1251 Sonoma Meadow opposite Myrtle dale gyser 11/2 miles north of Calistoga Comment
  UC463105  Brodiaea terrestris subsp. terrestris Milo S. Baker 1927-5-20 2148 b Sonoma Santa Rosa to Sebastopol highway (where concrete begins to the s) Comment
  CAS-BOT-BC144150  Bromus F. G. Krauss 1895-5-6 s.n. Sonoma Near Franz Valley, Calistoga. Comment
  RSA155475  Bromus carinatus L. S. Rose 1962-4-18 62024 Sonoma 1 mile NW of Freestone. 76 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
  UC1010989  Bromus carinatus var. carinatus Virginia Bufford 1936-5-19 263 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  CAS-BOT-BC149082  Bromus carinatus var. carinatus David L. Morgan 1961-4-11 s.n. Sonoma Highway 101, 3 miles south of Petaluma. Comment
  CAS-BOT-BC148785  Bromus carinatus var. marginatus A. A. Heller 1902-4-9 5247 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC155667  Bromus diandrus John H. Thomas 1966-5-8 11597 Sonoma 1.4 mile west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  CAS-BOT-BC155669  Bromus diandrus A. A. Heller 1902-4-17 5322 Sonoma Santa Rosa. Comment
  UC1010997  Bromus diandrus Virginia Bufford 1936-5-1 148 Sonoma w of Sebastopol (top of O'Farrell Hill); O'Farrell Hill Comment
  CAS-BOT-BC155205  Bromus hordeaceus Peter Rubtzoff 1960-5-15 4318 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC155212  Bromus hordeaceus K. Wagnon 1939-4-26 175 Sonoma Near Wagnon home, 5 miles west of Sebastopol. Comment
  CAS-BOT-BC155248  Bromus hordeaceus Peter Rubtzoff 1959-5-31 4077 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC155243  Bromus hordeaceus David L. Morgan 1956-4-5 s.n. Sonoma Petaluma. Mountain View Avenue. Comment
  UCD58820  Bromus hordeaceus var. leptostachys Gerry North 1993-4 24 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Pony Gate Gulch Creek by hig rock. 304 Comment
  CAS-BOT-BC162389  Bromus laevipes G. DeNevers 1981-5-23 1291 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. Comment
  CAS-BOT-BC162390  Bromus laevipes Peter Rubtzoff 1952-6-3 1146 Sonoma South slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC162391  Bromus laevipes G. DeNevers 1981-6-27 1705 Sonoma Pepperwood Ranch. Summit of Franz Valley Road. Comment
  UC37643  Bromus laevipes Michener and Bioletti 1893-6-10 112 Sonoma Hood's Peak Comment
  UC903721  Bromus madritensis subsp. rubens Milo S. Baker 1947-5-7 11724 Sonoma Hood Mountain, near Grant Line Hood Mountain 228 Comment
  CAS-BOT-BC185423  Bromus vulgaris P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart Point. Annapolis. Comment
  UCR141958  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma North Coast Range, 1.6 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  CAS-BOT-BC185404  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Highway 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC368031  Calamagrostis bolanderi Greg de Nevers 1998-6-15 11287 Sonoma CYO Camp on Bohemian Highway. Comment
  JEPS97537  Calamagrostis nutkaensis R. D. Stone 1980-11-29 326 Sonoma Northern part of the Sea Ranch development; N of Stewart's Point Comment
  UCD57507  Calamagrostis nutkaensis Virginia Bufford 1936-5-22 409 Sonoma Hwy. 1, 9 miles south of Stewarts Point. Comment
  SEINET10900606  Calamagrostis nutkaensis George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3074 Sonoma 5 m S of Stewart's Point, Comment
  UC963876  Calamagrostis ophitidis Milo S. Baker 1947-5-30 11772 Sonoma along Harrison Grade ca 2 mi ne Occidental; Nort Bay Counties Comment
  UC1146684  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2185 Sonoma Oregon Canyon Comment
  UCR254847  Calandrinia breweri Greg de Nevers 1997-4-24 10970 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC438609  Calandrinia ciliata A. A. Heller; H. E. Brown 1902-4-9 5234 Sonoma Three miles South of Healdsburg Comment
  CAS-BOT-BC438607  Calandrinia ciliata Peter Rubtzoff 1952-3-23 885 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  JEPS22790  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma 1 mi s of El Verano (at a road junction, w of Sonoma Creek) Comment
  CAS-BOT-BC273245  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma Along highway just east of Shellville Comment
  RSA90984  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma JOrchards and fields just east of Sonoma. Comment
  NY248789  Callitriche heterophylla J. T. Howell 1935-5-5 12608 Sonoma Near Kenwood. Comment
  HSC100960  Callitriche marginata Peter Warner, Sarah Gordon 2011-5-16 199 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 210 Comment
  CAS-BOT-BC293678  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh. Comment
  UCR249053  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh 21 Comment
  UCR25305  Callitriche verna John C. Roos 1957-7-2 6644 Sonoma Miller Ridge Comment
  RSA144397  Calochortus amabilis Roxana S. Ferris, Laura Lorraine 1961-6-15 13551 Sonoma On Harrison Grade Road, 0.3 mi from Junction with Green Valley Road. Comment
  UC1197699  Calochortus amabilis Joseph P. Tracy 1933-5-1 12126 Sonoma Knights Valley Mayacama Creek 152 Comment
  UCR265242  Calochortus amabilis Ann Howald 2015-4-28 3375 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  CAS-BOT-BC483293  Calochortus amabilis Charles H. Newman 1964-5-24 s.n. Sonoma Mayacamas Range, N.E. of Santa Rosa Comment
  SD88413  Calochortus amabilis Darley F. Howe 1972-4-25 Sonoma Trinity Road, Mount Hood Range. 121 Comment
  UC1973318  Calochortus luteus Roger Raiche 1997-9-1 058 .97 Sonoma W of Occidental, Fitzpatrick Lane, ca. 1.8 mi W of its origin at Jy Ridge Road. Comment
  SEINET4998947  Calochortus raichei Unknown 1995-6-25 093 .95 Sonoma N of Cazadero; The Cedars; Red Slide Creek drainage; at the top of Red Slide Falls Comment
  JEPS128210  Calochortus tolmiei Roger Raiche 2000-5-5 090 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  JEPS61740  Calochortus tolmiei Vina Krager 1849-4-26 Sonoma 15 mi from Duncan's Mills; Bodega Comment
  UCSB641  Calochortus tolmiei Robbins, G. 1938-4-15 Sonoma About 2.5 miles east of Bodega Bay Comment
  SJSU9953  Calochortus tolmiei F. L. Reynolds 1962-5-26 51 Sonoma Salt Point Ranch, 8 mi NW of Fort Ross Comment
  SD254491  Calochortus uniflorus Ann Howald, Christina Freeman 2015-4-13 3340 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, south shore, ca. 300 feet north of intersection Pig Flat and Marsh trails. 363 Comment
  CAS-BOT-BC181539  Caltha palustris Peter Rubtzoff 1955-4-9 1768 Sonoma Forestville Marsh Comment
  CAS-BOT-BC270846  Calycadenia pauciflora Marcus E. Jones 1931-7-5 21925 Sonoma The Geysers Comment
  RSA255606  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers 488 Comment
  RSA255609  Calycadenia pauciflora Gerald D. Carr 1972-9-11 731 Sonoma 1 mile west of Westside Road on Mill Creek Road, 2.5 miles SW of Healdsburg 107 Comment
  UC30762  Calycadenia truncata F. T. Bioletti 1891-9-7 Sonoma Comment
  CAS-BOT-BC90995  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  CAS-BOT-BC91013  Calycanthus occidentalis F. G. Krauss 1893-11-1 s.n. Sonoma Kronos Ranch in Kronos Canyon. Comment
  RSA144394  Calycanthus occidentalis Roxana S. Ferris, Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  RSA178025  Calycanthus occidentalis R. F. Thorne 1965-4-19 34315 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UC1196353  Calycanthus occidentalis Joseph P. Tracy 1935-7-7 14044 Sonoma near Geysers; Northern Coast Ranges 609 Comment
  UC34952  Calycanthus occidentalis W. C. Blasdale 1896-7-18 Sonoma Cazadero Comment
  UC635500  Calycanthus occidentalis H. L. Mason 1934-4-28 8067 Sonoma head of Dohrman Creek Dohrman Creek (Jensen Ranch) Comment
  UCSB23042  Calycanthus occidentalis McMinn, Howard 1922-6-7 Sonoma Near Monte Rio, by stream Comment
  CAS-BOT-BC91017  Calycanthus occidentalis W. W. Carruth 1899-7-1 s.n. Sonoma Russian River. Comment
  JEPS64306  Calypso bulbosa Vena Wiley 1908-1 Sonoma Cazadero Comment
  UC1140871  Calypso bulbosa R. M. and A. Tryon 1958-3-9 Sonoma 1 mi w of Cazadero (on road to Fort Ross) 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
  CAS-BOT-BC215920  Calystegia purpurata subsp. purpurata John Thomas Howell 1934-3-26 11790 Sonoma 12 miles from Calistoga on Alexander Valley Road Comment
  CAS-BOT-BC215921  Calystegia purpurata subsp. purpurata Dorothy Scherer 1996-6-3 047 Sonoma North of park hdq. ca 1 mi. and east of bluff top 150-200', Fort Ross State Historic Park 15 Comment
  CAS-BOT-BC224628  Calystegia purpurata subsp. purpurata Peter H. Raven 1951-5-20 2861 Sonoma Oakville to Glen Ellen 274 Comment
  UCD125693  Calystegia purpurata subsp. purpurata Frederica Bowcutt 1994-5-1 1749 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco; about 11 air miles E of Santa Rosa; about 2.5 air miles N of Kenwood. Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  RSA0056560  Camassia quamash subsp. quamash Greg de Nevers 1996-4-18 10790 Sonoma Knights Valley, marsh at south end of valley at base of hills, on Bavarian Lion Ranch. 137 Comment
  JEPS6118  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma w slope Hood Mt. (at top of Rose Butte); Rose Butte 243 Comment
  SEINET10463924  Campanula californica Rowntree 1931-7-15 ROWNTREE s.n. Sonoma Skyp Springs road Comment
  CAS-BOT-BC182782  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  CAS-BOT-BC184127  Capsella bursa-pastoris Peter Rubtzoff 1960-6-25 4510 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  RSA790007  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-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
  CAS-BOT-BC37777  Cardamine californica L. R. Abrams 1918-4-27 6910 Sonoma Independence School near Healdsburg. Comment
  UCR244500  Cardamine californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone Marsh 79 Comment
  RSA790011  Cardamine californica var. californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone Marsh. Comment
  POM272804  Cardamine californica var. integrifolia Lyman Benson 1929-3-21 1026 Sonoma 5 miles S of Petaluma. Comment
  RSA128603  Cardamine californica var. integrifolia P. H. Raven 1950-4-6 1558 Sonoma Cotati to Santa Rosa. 46 Comment
  UCD151170  Cardamine oligosperma James A. Neilson Jr. 1974-3-27 3014 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  CAS-BOT-BC282948  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  UCD166500  Carduus pycnocephalus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC281767  Carduus pycnocephalus Peter Rubtzoff 1951-7-21 480 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway 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
  CDA37138  Carduus tenuiflorus Chris Heintzelman 2012-4-13 PDR# 1596520 Sonoma East side of Sunset Rock in Goat Rock State Park, 2 miles south of Jenner. 0 Comment
  CAS-BOT-BC422343  Carex Peter Rubtzoff 1976-5-30 8562 Sonoma Kenwood Marsh. Comment
  UCR255714  Carex abrupta Peter Rubtzoff 1958-6-1 3691 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC334518  Carex abrupta Peter Rubtzoff 1954-6-7 1482 Sonoma Guerneville Marsh. Comment
  SEINET14443037  Carex albida Unknown Sonoma Comment
  SEINET7546986  Carex albida J. T. Howell, J. W. Stacey 1937-1 Sonoma Comment
  CAS-BOT-BC18140  Carex athrostachya Peter Rubtzoff 1958-5-3 3611 Sonoma Atascadero Creek Marsh. Comment
  UCR208535  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh [near Guerneville] Comment
  UCD112444  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh. Comment
  UCD112447  Carex athrostachya Peter Rubtzoff 1958-5-17 3667 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC19366  Carex barbarae J. W. Congdon 1880-5-17 s.n. Sonoma Sebastopol. Comment
  CAS-BOT-BC350809  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC371454  Carex barbarae Peter Rubtzoff 1958-4-26 3606 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCR137670  Carex barbarae 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
  UCR249352  Carex barbarae Peter Rubtzoff 1958-5-10 3637 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC19369  Carex barbarae H. D. Ripley; R. C. Barneby 1945-6-21 6938 Sonoma East of Petrified Forest. 304 Comment
  UCD140160  Carex barbarae Beecher Crampton 1964-5-12 6951 Sonoma 6 miles northwest of Calistoga, State Highway 128. Comment
  CDA34811  Carex bolanderi Peter Warner 2010-7-8 171 Sonoma Jenner Headlands, along main road across property, ~ 4.1 km W 322 deg. N of Duncans Mills. Comment
  CAS-BOT-BC18982  Carex densa Peter Rubtzoff 1951-6-9 162 Sonoma The Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC246548  Carex densa Peter Rubtzoff 1960-5-15 4324 Sonoma Fife Creek Marsh Comment
  UCD112359  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC18992  Carex densa M. S. Baker 1936-1-1 8196 Sonoma Near Wright School, Highway 12. 4 miles west of Santa Rosa on road to Sebastopol. Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  CAS-BOT-BC320586  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh. Comment
  UC1147821  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  UCR208533  Carex feta Peter Rubtzoff 1957-5-11 3328 Sonoma Occidental Marsh Comment
Read comments Aug 27 2013
  CAS-BOT-BC20451  Carex globosa John Thomas Howell; J. W. Stacey 1936-7-26 12662 Sonoma Near Monte Rio. Comment
  UCR198235  Carex globosa Dean Kelch 2007-5-13 07 .298 Sonoma Bouverie Preserve; east of Hwy 12 near Glen Ellen 110 Comment
  CAS-BOT-BC20442  Carex globosa Charles Piper Smith 1908-4-3 1391 Sonoma The Pacific Slope. Guerneville, 3 miles east along the road to Forestville. Comment
  CAS-BOT-BC28373  Carex gracilior John Thomas Howell 1938-7-3 13966 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC32473  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  CAS-BOT-BC32474  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  UC855  Carex gracilior H. N. Bolander 1866-4-12 4635 Sonoma Comment
Read comments Apr 5 2008
  CAS-BOT-BC242644  Carex harfordii Peter Rubtzoff 1957-5-4 3306 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC249298  Carex harfordii Peter Rubtzoff 1960-5-16 4350 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC320572  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  UCR248920  Carex harfordii Peter Rubtzoff 1962-6-1 4867 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC22297  Carex hassei Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4496 Sonoma 2 miles south of Gualala River, Sonoma Coast. Comment
  CAS-BOT-BC311814  Carex hendersonii Peter Rubtzoff 1955-5-14 1855 Sonoma Duncans Mills Marsh. Comment
  UCR254774  Carex laevicaulis Peter Rubtzoff 1951-9-2 724 A Sonoma Pitkin Marsh, near Forestville 47 Comment
  CAS-BOT-BC31174  Carex lemmonii John Thomas Howell; J. W. Stacey 1936-7-26 12681 Sonoma Pitkin Marsh. 5 mi N of Sebastopol. Comment
  CAS-BOT-BC31181  Carex lemmonii Peter Rubtzoff 1951-6-16 256 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  UC727759  Carex lemmonii Milo S. Baker 1946-5-13 11392 Sonoma on n Pitkin Ranch; Vine Hill Region, Pitkin Marsh Comment
  UCR248866  Carex leptopoda Peter Rubtzoff 1960-5-16 4347 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC31433  Carex leptopoda LeRoy Abrams 1920-7-3 7600 Sonoma Gualala River. Comment
  SEINET10711633  Carex nudata Prouty 1980-4-12 PROUTY 122 Sonoma T8N, R7W, sec. 8 Porter Creek Rd., .1 mi. west of the junction with Petrified Forest Rd. Mixed Evergreen, south side of road along Porter Creek. 256 Comment
  CAS-BOT-BC119316  Carex obnupta J. H. Thomas 1976-6-15 18263 Sonoma S end of Sea Ranch, NW part of county, ca 7 mi S of Gualala. 30 Comment
  RSA0025198  Carex obnupta Peter Rubtzoff 1954-6-19 1494 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC118940  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  CAS-BOT-BC118941  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  UCD21152  Carex praegracilis Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 327 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  CAS-BOT-BC117672  Carex serratodens Gregory Clark de Nevers 1987-4-25 8164 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd. 400 Comment
  CAS-BOT-BC419695  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh. Comment
  RSA0023072  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh. Comment
  NY11335  Carex sonomensis T. J. Howell 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC116780  Carex subbracteata var. subbracteata John Thomas Howell 1947-6-5 23238 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC116781  Carex subbracteata var. subbracteata John Thomas Howell 1938-7-3 13949 Sonoma Stony Point Comment
  CAS-BOT-BC115532  Carex tumulicola John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54675 Sonoma Bouverie Audubon Preserve, ca 1.5 mi E of Glen Ellen near Stuart Creek. 137 Comment
  UCR248869  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncan Mills Marsh 2 Comment
  UCD19304  Carpobrotus edulis Terry Reedy 1974-5-11 204 Sonoma Bodega Head, between road and freshwater marsh. 3 Comment
  HSC33347  Carthamus lanatus William J. Ferlatte, J. Shelgren 1973-7-11 1489 Sonoma SE of Santa Rosa; Crane Canyon, 1 mile E of Petaluma Hill Rd. 52 Comment
  CDA7004  Carthamus leucocaulos T. C. Fuller 1970-5-4 19484 Sonoma 2 miles west of the overpass, Highway 101, Asti. 0 Comment
  UCD129939  Carthamus leucocaulos P. F. Knowles 1969-9-23 18901 Sonoma 1 mile west of Asta. Comment
  JEPS22230  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6361 Sonoma n of Sebastopol (ground above Pitkin Marsh); Vine Hill Region 60 Comment
  UC103161  Castilleja ambigua subsp. ambigua J. W. Congdon 1889-8 Sonoma Petaluma Comment
  UCD122118  Castilleja ambigua subsp. ambigua Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-19 35 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD151301  Castilleja foliolosa James A. Neilson Jr. 1974-7-26 2865 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  RSA177902  Castilleja foliolosa Robert F. Thorne 1965-4-20 34357 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  SEINET12331446  Castilleja foliolosa F. H. Utech 1986-1 86 -104 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  SEINET10582686  Castilleja roseana Rimo Bacigalupi 1956-5-30 Bacigalupi 5667 Sonoma Along and just above creek-bed, headwaters of Big Austin Creek, vicinity of "The Cedars", near Layton chromite mine. 267 Comment
  JEPS10644  Castilleja rubicundula subsp. lithospermoides W. L. Jepson 1921-6-3 9312 Sonoma Cotati Valley 28 Comment
  UC26494  Castilleja wightii Harley P. Chandler 1900-5-25 710 Sonoma Bodega Bay Comment
  UC495533  Castilleja wightii Merle Randall 1930-6-10 Sonoma shore above mouth of Russian River Comment
  CAS-BOT-BC39434  Caulanthus lasiophyllus R. D. Stone 1983-6-14 541 Sonoma Headwaters of Squaw Creek drainage. Ca. 1.2 mile northwest of Geyser Rock. 1005 Comment
  CAS-BOT-BC48509  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital Comment
  CAS-BOT-BC48521  Ceanothus confusus J. Clausen 1933-3-26 735 Sonoma Rincon Range east of Santa Rosa Comment
  JEPS83495  Ceanothus confusus Jack and Betty Guggolz 1985-5-29 835 Sonoma w Geyserville (off West Dry Creek Rd, near edge of Chamise Rd) Comment
  RSA21893  Ceanothus confusus J. T. Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  SBBG122274  Ceanothus confusus D. O. Burge 2008-5-29 1003 b Sonoma Panorama Ranch Trail, 6.1 km NNW of Kenwood, W slope of Mount Hood; Hood Mtn Regional Park 560 Comment
  CAS-BOT-BC48511  Ceanothus confusus W. Knight; I. Knight; Dr. Steve Edwards 1986-6-9 5445 Sonoma North Burma Trail, Annadel State Park 114 Comment
  UC1281314  Ceanothus confusus Milo S. Baker 1940-1 10173 Sonoma Fitzsimmon's Grade Comment
  UCD111362  Ceanothus confusus G. F. Hrusa; R. Gross 1995-11-8 12469 Sonoma on N side of Adobe Canyon Road. Comment
  SEINET13945810 Image available Ceanothus cuneatus G. Thomas Robbins 1940-1 295 Sonoma Creek bed of canyon along Chalk Hill road, foothills ca 6 mi E of Windsor. Elev ca 300 ft 91 Comment
  UC1071289  Ceanothus divergens H. S. Yates 1934-4-21 3828 Sonoma 2 miles N of County Farm. Santa Rosa Quad. 243 Comment
  UC870541  Ceanothus divergens Milo S. Baker 1940-1-1 9588 Sonoma rd. from Calistoga towards Franz Valley (near School House) Comment
  RSA0028419  Ceanothus divergens A. A. Heller, H. E. Brown 1902-3-27 9008 Sonoma Western base of Mt. Hood. Comment
  UC73358  Ceanothus foliosus Milo S. Baker 25 Sonoma Santa Rosa to Forestville. Comment
  UCD158849  Ceanothus foliosus James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2919 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  SEINET12210606  Ceanothus foliosus W. Knight, Knight, I. 1981-1 3978 Sonoma 5.8 mi up Cavedale Road from jct of state rt.12 Comment
  SEINET13945873 Image available Ceanothus foliosus Lewis S. Rose 1955-1 55061 Sonoma Junction of Vine Hill & School Raods, 10 mi W of Santa Rosa, alt 150 ft 46 Comment
  JEPS25144  Ceanothus foliosus var. foliosus G. Thomas Robbins 1959-5-16 4014 Sonoma Spring Mountain Road, between Calistoga Road and Sonoma-Napa County line Mayacamas Mountains 518 Comment
  UC1280760  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma 9 mi s. Gurniville Comment
  UC727740  Ceanothus foliosus var. vineatus Milo S. Baker 1946-4-29 11355 Sonoma along College Ave. Hwy. Vine Hill Region Comment
  OBI10528  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma Nine mi S of Guerneville Comment
  CAS-BOT-BC49993  Ceanothus gloriosus John Thomas Howell 1937-4-11 12902 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49997  Ceanothus gloriosus Milo S. Baker 1935-4-1 8026 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50006  Ceanothus gloriosus John Thomas Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50009  Ceanothus gloriosus John Thomas Howell 1937-4-11 12908 Sonoma MS. Baker place, SW. slope of Mt. Hood Comment
  CAS-BOT-BC50011  Ceanothus gloriosus Milo S. Baker 1935-4-1 8032 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC870562  Ceanothus gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S of Stewart's Point Comment
  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
  UC912378  Ceanothus gloriosus var. exaltatus Herbert L. Mason 1931-3-7 5802 Sonoma Vine Hill School, 12 miles west of Santa Rosa. Comment
  CAS-BOT-BC63738  Ceanothus griseus Carl B. Wolf 1941-7-30 11109 Sonoma Along coast, 3 mi. n. Jenner. Comment
  UC1362455 Image available Ceanothus incanus Frederick Karl Klein 1969-9-8 Sonoma near Lake-Sonoma County line (along Ida Clayton Road-Western Mine Road); ; near Lake-Sonoma Co. line, Sonoma Co. 762 Comment
  CAS-BOT-BC50954  Ceanothus integerrimus James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  CAS-BOT-BC50642  Ceanothus jepsonii John Thomas Howell 1933-4-2 10959 Sonoma 2 miles e. of Occidental Comment
  RSA181444  Ceanothus jepsonii James I. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S of the Geysers. Comment
  CAS-BOT-BC51115  Ceanothus jepsonii Walter Knight; Irja Knight 1963-11-21 420 Sonoma Morelli Road near county dump. Occidental Comment
  CDA9346  Ceanothus jepsonii subsp. jepsonii D. G. Kelch 2006-6-24 6 .325 Sonoma On serpentine along Harrison Grade. Comment
  RSA0084060  Ceanothus parryi D. C. Michener 1982-7-26 4122 Sonoma Openings in mixed evergreen forest along lBohemian Hwy, 1.8miles N of jct with Graton road, 4.8 miles S of jct with 116 in Monte Rio Comment
Read comments Oct 9 2018
  UC1299538  Ceanothus parryi Freed W. Hoffman Apr 1947 888 Sonoma Wild Hog Rodge, headwaters of Palmer Creek Comment
  UC334414  Ceanothus parryi unknown 1892-5-4 Sonoma near Guerneville; near Guerneville, Armstrong Park Comment
  SEINET12211132  Ceanothus parryi Unknown 1985-1 50183 Sonoma W of Healdsburg, Dry Creek area, ridge W of Dry Creek Valley & N of Dorman Canyon (Crane 244 Comment
  UCD112485  Ceanothus parryi Collector unknown Date unknown s.n. Sonoma S.W. part of county. Comment
  LA44965  Ceanothus prostratus Henry Reents; 1936-5-8 sn Sonoma Rincon Ridge, NE of Santa Rosa Comment
  UCD112701  Ceanothus sonomensis Roman Gankin 1966-3-3 689 Sonoma On south-facing slope in Hooker Canyon, below Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  UCD112702  Ceanothus sonomensis Roman Gankin 1966-3-3 690 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  CAS-BOT-BC53001  Ceanothus sonomensis unspecified 1947-5-12 11764 Sonoma South slope of Sugar Loaf Peak of Hood Mt. 487 Comment
  SEINET12210783  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4501 Sonoma Tilden Botanic Garden, Berkeley Comment
  SEINET12210794  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4676 Sonoma Tilden Botanic Garden, Berkeley Comment
  SEINET12210980  Ceanothus sonomensis W. Knight, Knight, I.; Howell, J. T. 1984-1 5076 Sonoma Cavedale Road., near Macnab cypresses 640 Comment
  SBBG4259  Ceanothus thyrsiflorus var. griseus H. and M. Dearing 1939-5-15 3378 Sonoma N of Fort Ross Comment
  CDA7232  Centaurea iberica Bremner 1929-8-5 Sonoma Healdsburg region. 0 Comment
  CDA19936  Centaurea melitensis McArthur 2002-7-2 PDR P 092644 Sonoma Northern California; Annadel State Park. 0 Comment
  UC66150  Centaurium muehlenbergii A. A. Heller 1902-6-28 5793 Sonoma near Mark West Springs Comment
  UCD55332  Centaurium tenuiflorum Ellen Dean 2006-6-28 3176 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  JEPS38160  Centromadia fitchii W. L. Jepson 9433 a Sonoma Alexander Valley Comment
  CAS-BOT-BC288808  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC271550  Centromadia parryi subsp. rudis Walter Knight; Irja Knight 1985-9-23 5181 Sonoma Lower Tubbs Island about 1/4 mile from San Pablo Bay 0 Comment
  UCD166220  Centromadia pungens subsp. pungens Peter Rubtzoff 1970-5-30 6252 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC249313  Cerastium Peter Rubtzoff 1963-6-22 s.n. Sonoma Bennett Mountain Lake. Comment
  UCD166455  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC384972  Cerastium arvense A. A. Heller; H. E. Brown 1902-4-11 5269 Sonoma Bodega Bay Comment
  UCSB1851  Cerastium glomeratum Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna Rd. and College Rd. on Laguna Rd.; 5.1 miles north of Sebastopo; in Vinehill region 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-BC400229  Ceratophyllum demersum Peter Rubtzoff 1970-8-18 6319 Sonoma 5 mi. north of Sears Point Comment
  POM187556  Cercis occidentalis Jones 1931-7-5 28974 Sonoma The Geysers Comment
  RSA181418  Cercis occidentalis James I. McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain. Comment
  UCD158834  Cercocarpus betuloides James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2920 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 586 Comment
  CDA7378  Chamaemelum fuscatum G. D. Barbe 1974-4-29 1781 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. 0 Comment
  UCD130400  Chamaemelum fuscatum Philip A. Munz 1952-3-23 17351 Sonoma 2 miles south of Asti Vineyard (Italian Swiss Colony). Comment
  UC42411  Cheilanthes covillei F. T. Bioletti 1892-5-15 Sonoma Hood's Peak Comment
  UCD137335  Cheilanthes intertexta Frederica Bowcutt 1996-3-24 2082 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 SE of Red Mountain. 563 Comment
  RSA783840  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  UC116485  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  CAS-BOT-BC166901  Chenopodium murale Peter Rubtzoff; Nancy Harrison 1974-9-7 7863 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. at creek crossing. Comment
  CAS-BOT-BC499263  Chlorogalum pomeridianum Roxana S. Ferris; Laura Lorraine 1961-6-14 13527 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  JEPS30833  Chorizanthe cuspidata var. villosa Rimo Bacigalupi and L. R. Heckard 1962-6-19 8589 Sonoma 1/4 mi se Horseshoe Cove (at northeastern base of low hills forming Bodega Head proper); at northeastern base low hills Bodega Head 12 Comment
  RSA107053  Chorizanthe cuspidata var. villosa L. S. Rose 1956-7-16 s.n. Sonoma Bodega Point. 9 Comment
  CAS-BOT-BC251227  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
  UCD148368  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  RSA0015627  Cirsium brevistylum Peter Rubtzoff 1960-6-11 4499 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CDA20719  Cirsium douglasii S. Ostrom 2006-7-19 PDR 1328643 Sonoma East of 5556 Pine Flat Rd., Geyserville. Comment
  OBI16749  Cirsium douglasii var. douglasii Robert F. Hoover 1966-7-17 9914 Sonoma Sausal Crk N of Alexander Valley Comment
  CAS-BOT-BC285752  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  UCD159440  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 197 Sonoma Roadside population along road leading to Bodega Marine Labs. Abundant. 7 Comment
  CAS-BOT-BC438976  Cistanthe monosperma Annie F. Rodda 1929-5-6 s.n. Sonoma Geyserville 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
  SD39468  Clarkia amoena subsp. amoena Edith A. Purer 1932-7-14 Sonoma Between Bodega Bay and Santa Rosa Comment
  CAS-BOT-BC161056  Clarkia amoena subsp. amoena Peter Rubtzoff 1962-7-14 s.n. Sonoma 4 mi. west of Petaluma Comment
  UC1181828  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 866 Sonoma 4.0 mi w Mark West Springs Comment
  CAS-BOT-BC172205  Clarkia concinna A. A. Heller 1902-6-26 5776 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC172212  Clarkia concinna Roxana S. Ferris; Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road, 0.8 mi. E of junction with Harrison Grade Road Comment
  CAS-BOT-BC172345  Clarkia concinna Elsa G. Ruckert 1960-5-28 162 Sonoma Trinity Road, 1 mile from junction with Highway 12 243 Comment
  UC1122374  Clarkia concinna subsp. concinna H. S. Yates 1934-4-21 3805 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  JEPS43616  Clarkia concinna subsp. concinna W. L. Jepson 1921-6-2 9293 Sonoma Alder Glen School Hopland 176 Comment
  CAS-BOT-BC163147  Clarkia gracilis subsp. sonomensis Marcus E. Jones 1931-7-5 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC163132  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1945-7-4 17511 Sonoma Trinity River Valley, at Willow Creek 152 Comment
  RSA449288  Clarkia gracilis subsp. sonomensis Christopher Davidson 1977-6-20 6004 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  CAS-BOT-BC163149  Clarkia imbricata Peter Rubtzoff 1952-7-20 1308 Sonoma Pitkin Ranch, Nine Hill region Comment
  JEPS79261  Clarkia imbricata L. R. Heckard 1980-7-4 5405 Sonoma ca. 2 mi ne Graton (at 4851 Vine Hill Road (Schwartz property)) Comment
  UC930727  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1940-5-22 40374 Sonoma Sonoma 30 Comment
  POM191622  Clarkia purpurea subsp. quadrivulnera H. E. Parks, S. T. Parks 1930-5-10 606 Sonoma Open hills around Knight s Valley Comment
  UC20331  Clarkia purpurea subsp. quadrivulnera Ivar Tidestrom 1895-6-3 Sonoma Comment
  RSA22256  Clarkia unguiculata Blanche Clear 1938-5-28 s.n. Sonoma Alexander Valley toward Geyserville Comment
  RSA6471  Claytonia exigua subsp. exigua Jens Clausen 1933-3-26 745 Sonoma Harrison Grade, betwen Grtaon and Occidental. In orchard, gravelly soil. Comment
  CAS-BOT-BC439402  Claytonia gypsophiloides D. E. Breedlove 1983-4-11 58682 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC439415  Claytonia gypsophiloides Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  CHSC26434  Claytonia gypsophiloides P. Kunst 1977-4-11 16 Sonoma Moist open area within Redwood and Mixed Evergreen Forest. 121 Comment
  UCD160138  Claytonia gypsophiloides James A. Neilson Jr. 1974-3-27 3011 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  RSA177929  Claytonia gypsophiloides R. F. Thorne 1965-4-20 324378 Sonoma ca. 3/4 mi.; Charles Newman s place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  SEINET7075542  Claytonia parviflora A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC443870  Claytonia sibirica Peter Rubtzoff 1967-8-22 5851 Sonoma Southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC443871  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC92755  Clematis ligusticifolia L. R. Abrams 1916-7-4 5796 Sonoma Road between Petrified Forest and Mark West. Comment
  UC1084477  Clematis ligusticifolia G. Thomas Robbins 1937-6-18 246 Sonoma Santa Rosa, Santa Rosa Creek Comment
  UCD148396  Clinopodium Peter Rubtzoff 1957-6-28 3390 Sonoma Duncans Mills Marsh, upper portion of marsh. Comment
  UC672130  Clintonia andrewsiana Herbert L. Mason June, 1930 5659 Sonoma mouth of Gualala River Gualala River Comment
  RSA92819  Collinsia heterophylla Peter H. Raven 1950-4-6 1593 Sonoma Vernal Flats, Santa Rosa to Rincon Ridge. 183 Comment
  SEINET12329976  Collinsia heterophylla F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -206 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  SEINET5737213 Image available Collinsia heterophylla Johann D. Watjen 1969-1 26 Sonoma West slope of Sugar Loaf Ridge, 8 miles north of Sonoma.; Sugar Loaf Ridge 244 Comment
  UC192679  Collinsia sparsiflora var. arvensis Michener and Bioletti 1893-4-1 Sonoma Kenwood Comment
  UC26556  Collinsia sparsiflora var. arvensis Edw. L. Greene 1892-4-20 Sonoma Knight's Valley Comment
  UC583427  Collinsia sparsiflora var. arvensis Elmer I. Applegate 1934-3-25 8850 Sonoma w slope of Mayacama Mountains, Pine Flat Region, Sansal Creek Sansal Creek; Mayacama Mountains, Pine Flat Region, Sansal Creek Comment
  UC103392  Collinsia sparsiflora var. sparsiflora Michener and Bioletti 1892-5-15 1662 a Sonoma South Los Guilucos Comment
  CHSC22315  Collinsia tinctoria Robert A. Schlising; Lloy Thurman 1962-6-15 2307 Sonoma Dry Creek Road, few miles E of Skaggs Springs. Coast Ranges. Comment
  JEPS34516  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma on way to Rincon Valley St. Helena (near summit of Spring Mtn Rd); North Coast Ranges 609 Comment
  UCR265108  Collinsia tinctoria Ann Howald 2015-4-1 3330 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  CAS-BOT-BC229544  Collomia diversifolia Peter Rubtzoff 1973-7-24 7201 Sonoma Upper Green Valley Marsh Comment
  UCD126334  Conium maculatum Frederica Bowcutt 1994-6-12 1876 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. Just S of Adobe Canyon Road and kiosk. 396 Comment
  UCD127332  Conium maculatum Terri Williamson 1990-5-20 66 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CAS-BOT-BC288969  Conyza floribunda Mary P. Wells 1990-1-3 1027 Sonoma Edge of large parking lot two blocks W of Laguna de Santa Rosa Creek, Sebastapol Comment
  RSA118968  Cordylanthus pilosus subsp. pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, east of Santa Rosa. 91 Comment
  UCR256118  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1990-7-24 9678 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  CAS-BOT-BC238226  Cordylanthus tenuis subsp. brunneus Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5507 Sonoma Sweetwater Springs Road across from large old mine Comment
  JEPS62600  Cordylanthus tenuis subsp. capillaris T. I. Chuang with Fei-Mei Chuang 1970-7-25 6834 Sonoma 2.7 mi ne Occidental (Stoetz Road, w of Harrison grade) Comment
  JEPS69347  Cordylanthus tenuis subsp. capillaris T. I. Chuang, F. M. Chuang and Carl Chuang 1972-7-22 7075 Sonoma 2 mi n Occidental (on Harrison Grade Road) Comment
  JEPS74601  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1974-8-21 3825 Sonoma about 1 mi n of Camp Meeker (s of Monte Rio) Comment
  SBBG32336  Cordylanthus tenuis subsp. capillaris L. S. Rose 1962-8-6 62078 Sonoma 2 mi NE of Occidental 182 Comment
  UC1096792  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UCR244638  Cornus Peter Rubtzoff 1973-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road 164 Comment
  CAS-BOT-BC212294  Cornus glabrata Alice Eastwood 1915-6-5 4578 Sonoma Petrified Forest Comment
  JEPS50119  Cornus glabrata W. L. Jepson 1921-9-12 9488 Sonoma Alexander Valley 45 Comment
  RSA295092  Cornus glabrata Robert A. Norris, John L. Inase, Allen Nakagawa, B. Norris 1981-6-27 4206 Sonoma Trenton Rd., just S of and Paralleling River Rd. (near N part of Laguna de Santa Rosa), approx. halfway between Guerneville and Santa Rosa. Below 50ft. 15 Comment
  UC21528  Cornus nuttallii H. N. Bolander 1864-1 3966 Sonoma on Pine Mt. near the Geyser's; Pine Mt. Comment
  POM132437  Cornus occidentalis A. A. Heller 1902-7-1 5796 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC210434  Cornus sericea Peter Rubtzoff 1953-5-16 1366 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  CAS-BOT-BC180189  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-10-3 314 Sonoma Crane Canyon Comment
  CAS-BOT-BC180190  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-9-15 296 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC180191  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-2-16 527 Sonoma Mill Creek Road Comment
  CAS-BOT-BC376394  Cotoneaster Greg de Nevers 1994-3-26 10518 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  SEINET11910568  Cotoneaster franchetii W. Knight, Knight, I. 1984-1 5061 Sonoma Alta Vista Lane, Rincon Ridge, Santa Rosa Comment
  POM66993  Cotula coronopifolia Edward Palmer 1892-6-27 2400 Sonoma Petaluma. Comment
  RSA790515  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UC912239  Cotula coronopifolia Herbert L. Mason 1926-3-20 2744 Sonoma s Calistoga (along rr right-of-way) Comment
  UCD13110  Crassula connata Eileen F. Chun 1974-5-11 78 Sonoma Sonoma CO. Northside of Bodega Head. Sea level. Comment
  UCR254836  Crataegus Greg de Nevers 1998-10-2 11309 Sonoma Santa Rosa; Santa Rosa Creek at Fulton Road 30 Comment
  CAS-BOT-BC143504  Crataegus gaylussacia Peter Rubtzoff 1958-5-3 3614 Sonoma Atascadero Creek Marsh Comment
  RSA239727  Crataegus suksdorfii Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1092 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  RSA784492  Crepis capillaris Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UC963911  Cressa truxillensis Milo S. Baker 1946-10 11710 Sonoma less than 1 mi. n. of junction of Sears Point Cutoff and Black Point Hwy. (near Bay marsh) Comment
  HSC7976  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  HSC90783  Croton setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma ca. 5 mi. due S of Cloverdale, point below Little Flat Parking area W of bridge 152 Comment
  CAS-BOT-BC190104  Crypsis schoenoides Peter Rubtzoff 1970-8-18 6309 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC190146  Crypsis schoenoides Peter Rubtzoff 1987-9-27 9855 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  RSA262196  Crypsis schoenoides Peter Rubtzoff 1970-5-30 6243 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC361289  Cryptantha Greg de Nevers 1993-5-6 10433 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Weimar Flat 457 Comment
  UC336281  Cryptantha flaccida Hy. Edwards May 1877 331 Sonoma Knights Valley Comment
  UC726040  Cryptantha flaccida A. A. Heller 1940-5-10 15608 Sonoma w of Skaggs Springs; Warm Springs Creek Comment
  UC24715  Cryptantha intermedia H. N. Bolander Apr 1864 3817 Sonoma Mark West Creek Comment
  CAS-BOT-BC80749  Cupressus macnabiana Walter Knight; Irja Knight; J. T. H. 1984-9-26 5239 Sonoma 4.5 mi. up Cavedale Rd. 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
  JEPS82410  Cupressus sargentii Roger Raiche 1983-9-20 30726 A Sonoma ridge s Duvoul Creek (e of Bohemian Highway (n of Camp Meeker)) Comment
  RSA6472  Cupressus sargentii Jens Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade, between Graton and Occidental Comment
  UC518995  Cupressus sargentii J. Clausen 1933-3-26 749 Sonoma between Graton and Occidental; Summit of Harrison Grade Comment
  RSA0051274  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  UC1042318  Cuscuta obtusiflora var. glandulosa John Thomas Howell 1946-8-17 22851 Sonoma n of Sebastopol; The Laguna Comment
  CAS-BOT-BC182776  Cuscuta pentagona Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. Comment
  JEPS128271  Cymopterus terebinthinus var. californicus Roger Raiche 2000-4-7 020 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA126600  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1.5 miles northeast of Graton 30 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
  SEINET176301 Image available Cynodon dactylon var. dactylon M. E. Jones 1882-7-18 Sonoma Duncan's Mills Comment
  UCSB28101  Cynoglossum grande Phelps, M. 1972-2-18 Sonoma 1000 yds. west of Old Bale Mill Historic Landmark, St. Helena 365 Comment
  SD56797  Cynosurus echinatus D. F. Howe 1963-5-23 3527 Sonoma 3.8 miles north of Cloverdale on #128 334 Comment
  UCD60152  Cynosurus echinatus Frederica Bowcutt 1984-6-23 445 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/3 mile north of Gerstle Cove. 15 Comment
  UCR248721  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 miles northeast of Penngrove on Lichau Road 427 Comment
  UCD60175  Cynosurus echinatus R. Tofsrud 1948-5-1 s. n. Sonoma Northeast Sonoma County. Comment
  CAS-BOT-BC114772  Cyperus acuminatus Peter Rubtzoff 1987-10-17 9873 Sonoma Russian River ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC114749  Cyperus alternifolius Peter Rubtzoff 1970-10-27 6417 Sonoma Freestone. Comment
  CAS-BOT-BC114435  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa NE of Graton. 1.5 mi N of Guerneville Road. Comment
  CAS-BOT-BC114340  Cyperus esculentus Peter Rubtzoff 1956-9-14 2868 A Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC114341  Cyperus esculentus Peter Rubtzoff 1987-9-27 9858 Sonoma Russian River at Forest Hills, ca. 6 mi E of Guerneville. Comment
  UC728611  Cyperus niger Milo S. Baker 1945-6-18 11118 Sonoma lower Meadow Pitkin Marsh Comment
  UCR254758  Cyperus niger Peter Rubtzoff 1970-7-17 6290 Sonoma San Francisco Bay Region, 5 miles north of Sears Point 9 Comment
  CAS-BOT-BC114040  Cyperus squarrosus Peter Rubtzoff 1987-10-17 9871 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  JEPS64801  Cytisus scoparius G. G. Frey 1921-12-5 Sonoma Sebastopol Comment
  CAS-BOT-BC189803  Dactylis glomerata G. DeNevers 1981-5-20 1230 Sonoma Pepperwood Ranch. Leslie Creek and Mark West Creek. Comment
  POM204594  Dactylis glomerata A. A. Heller 1902-6-7 5657 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  RSA216130  Damasonium californicum Peter Rubtzoff 1961-5-24 4606 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC445550  Damasonium californicum J. Penalosa 1961-5-24 1584 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC445551  Damasonium californicum Peter Rubtzoff 1972-6-29 6812 Sonoma Laguna, Chileno Valley. Collected at about Marin-Sonoma county line. Comment
  SACT000880  Danthonia americana 1927-5-5 Sonoma No determiner/collector listed. Comment
  CAS-BOT-BC210142  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  JEPS121156  Danthonia californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18595 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UCD60467  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCR280139  Danthonia californica Peter Rubtzoff 1971-6-5 6508 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  UCD32527  Danthonia californica var. americana Beecher Crampton 1954-5-9 1838 Sonoma Sonoma County, road to Santa Rosa, 4 miles west of Calistoga. Comment
  CAS-BOT-BC154984  Datura Peter Rubtzoff 1969-8-26 6159 Sonoma River Road, ca. 3 mi. west of Fulton. Comment
  RSA0020090  Datura stramonium Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  SEINET12327555  Datura stramonium W. Knight, Knight, I.; Edwards, S. W. 1984-1 5054 Sonoma at edge of Willow Creek between Corona Rd & Denman Flat Comment
  SJSU710  Daucus carota A. W. Jacobs 1941-7-25 Sonoma W bank Russian R near Hilton Comment
  UC353900  Daucus pusillus Milo S. Baker 1927-5-7 2122 a Sonoma slope above house at Maple Glen Comment
  CAS-BOT-BC361290  Delphinium Greg de Nevers 1993-5-6 10436 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Weimar Flat 457 Comment
  CAS-BOT-BC9018  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9019  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
  UC467758  Delphinium decorum subsp. tracyi Milo S. Baker Apr. 1899 Sonoma hills back of Dillon's Beach Comment
  CAS-BOT-BC33214  Delphinium decorum var. sonomense Alice Eastwood 1900-4-7 s.n. Sonoma Altruria Comment
  CAS-BOT-BC10345  Delphinium hesperium A. A. Heller 1902-4-1 s.n. Sonoma Santa Rosa Comment
  SBBG2150  Delphinium hesperium subsp. hesperium H. and M. Dearing 1933-5-14 384 Sonoma Cloverdale, Hopland grade Comment
  CAS-BOT-BC10100  Delphinium luteum John Thomas Howell 1931-4-18 6415 Sonoma Larkspur Rock, near Bodega Bay Comment
  JEPS128285  Delphinium nudicaule Roger Raiche 2005-4-9 007 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCSB31448  Delphinium nudicaule Townsend, J. 1977-5-29 Sonoma West side U.S. 101; 2 miles north of Petaluma Comment
  UC118590  Delphinium variegatum subsp. variegatum T. S. Brandegee Sonoma Santa Rosa Comment
Read comments Nov 9 2006
  NY387587  Dendromecon myrtifolia A. A. Heller 1902-5-29 5618 Sonoma Mt. Hood Comment
  RSA0004632  Dendromecon myrtifolia A. A. Heller, H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood. Comment
  RSA6527  Dendromecon rigida Jens Clausen 1933-3-25 725 Sonoma About 4 miles east of Warfield on the road to Oakville, on the Youngman Ranch 91 Comment
  CAS-BOT-BC11003  Dendromecon rigida subsp. rigida Mrs. H. C. Cantelow 1940-4-6 s.n. Sonoma Triniti Road, about 7 miles from Boyes Spring. Comment
  CAS-BOT-BC584  Dendromecon rigida subsp. rigida E. Ruckert 1960-4-29 128 Sonoma Triniti Road, east of Hwy 12, about 2 miles from junction. Comment
  SD56671  Deschampsia cespitosa subsp. beringensis Darley F. Howe 1963-7-3 3587 Sonoma 20 miles north of junction with #12 on # 1. Comment
  CAS-BOT-BC201642  Deschampsia danthonioides Greg de Nevers 1996-6-5 10827 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC210165  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6075 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. Comment
  RSA785371  Deschampsia danthonioides Peter Rubtzoff 1971-6-5 6510 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road. Comment
  UCD62545  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3575 Sonoma Corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  UCD84280  Deschampsia danthonioides Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC227662  Deschampsia elongata Peter Rubtzoff 1969-8-29 6167 Sonoma Salmon Creek bottom ca. 1/2 mi. upstream from Hwy. 1 crossing Comment
  RSA227247  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  RSA264775  Dicentra formosa subsp. formosa Peter Rubtzoff 1975-4-27 7950 Sonoma Forest Hills, 5.5 miles east of Guerneville. At 9981 Old River Road Comment
  CAS-BOT-BC208930  Dichanthelium acuminatum subsp. acuminatum Peter Rubtzoff 1951-6-30 295 Sonoma Western branch of NE Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC208931  Dichanthelium acuminatum subsp. acuminatum Peter Rubtzoff 1951-7-22 532 Sonoma Uppermost part of NE western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC502215  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-14 5065 Sonoma near Windsor Comment
  CAS-BOT-BC502220  Dichelostemma capitatum John Thomas Howell 1931-4-18 6428 Sonoma 8 miles n. of Bay Comment
  CAS-BOT-BC502221  Dichelostemma capitatum Volney Rattan 1903-1-1 s.n. Sonoma UPCRR Comment
  SEINET10965901  Dichelostemma capitatum A. Arthur Heller, H. E. Brown 1902-3-14 Heller 5065 Sonoma Near Windsor Comment
  SEINET10965902  Dichelostemma capitatum A. Arthur Heller, H. E. Brown 1902-3-17 Heller 5087 Sonoma Hills 8 miles Northeast of Santa Rosa. Comment
  UCD166874  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2016-3-26 3042 Sonoma Mayacamas Mountains, along Pine Flat Road, at Rob Roy Flat. 618 Comment
  SEINET8472296  Dichelostemma capitatum subsp. capitatum W. Roderick 1967-5-20 s.n. Sonoma NW edge of Santa Rosa. 46 Comment
  UC665619  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma 5 mi n Jenner Comment
Read comments Apr 2 2015
  SBBG39521  Dichondra donelliana L. S. Rose 1970-4-18 70029 Sonoma 4 mi N of Sonoma 274 Comment
  SEINET4207210  Dichondra occidentalis A. A. Beetle 1940-4-7 2598 Sonoma Five miles north of Jenner.; 0 Comment
  UCD148387  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC151750  Diplacus kelloggii A. A. Heller; H. E. Brown 1902-4-14 5282 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC151751  Diplacus kelloggii A. A. Heller; H. E. Brown 1902-3-25 5146 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC182751  Dipsacus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  UC1368685  Dirca occidentalis G. Leyard Stebbins, Walter and Irja Knight 1969-2-23 2611 Sonoma on Salmon Creek Road 2.3 mi from main Bodega (town) intersection (n side of road, about 20 ft from pavement) Comment
  CAS-BOT-BC196921  Distichlis spicata Walter Knight; Irja Knight 1963-8-13 277 Sonoma Horseshoe Cove Comment
  RSA796173  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  UCR248898  Distichlis spicata Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just south of Hwy 116 34 Comment
  CAS-BOT-BC196920  Distichlis spicata David L. Morgan 1956-5-8 s.n. Sonoma 3 miles southeast of Petaluma on Lakeville road Comment
  UC73554  Dodecatheon hendersonii Milo S. Baker 1898-4 734 Sonoma ne Santa Rosa; ne of Santa Rosa Comment
  UC890619  Downingia concolor var. concolor Alice Eastwood and John Thomas Howell 1936-5-19 2508 Sonoma 2 mi n Windsor Comment
  UCD165153  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  UCR279855  Downingia concolor var. concolor Peter Rubtzoff 1966-6-5 5752 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 mile from Llano Road 29 Comment
  RSA42006  Drymocallis glandulosa var. wrangelliana Ella Dales Cantelow 1938-5-7 2403 Sonoma 4.5 miles NM of Bodega Comment
  CAS-BOT-BC71016  Dryopteris arguta J. W. Congdon 1880-1-11 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC71019  Dryopteris arguta A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC71026  Dryopteris arguta G. DeNevers 1981-4-25 854 Sonoma Mark West Creek and Leslie Creek confluence Comment
  JEPS35199  Dryopteris expansa Fred Hein 1931-11-12 Sonoma near mouth of Gualala River (Mendocino Co. line) Comment
  UC499854  Dudleya farinosa Roxana S. Ferris 1932-5-27 8260 Sonoma n end Bodega Bay (bluffs) Comment
  UCD98779  Dysphania chilensis H. S. Reed 1948-10-21 2025 Sonoma Sonoma Creek, near Kenwood. Comment
  UCR280185  Echinochloa crus-galli Peter Rubtzoff 1958-7-20 3794 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  UCD60945  Echinochloa crus-pavonis Virginia Bufford 1935-9-8 79 Sonoma Pitkins Yard, Vine Hill District. Comment
  CDA20473  Echium plantagineum P. Lane 2004-4-8 PDR 1303247 Sonoma North Coast Ranges; Anna Street in Windsor. 0 Comment
  UCR74391  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay. Bay Flat Road, near Clark Marsh Comment
  RSA227244  Elatine heterandra Peter Rubtzoff 1966-5-7 5720 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC269290  Eleocharis macrostachya Peter Rubtzoff 1976-5-30 8563 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC112662  Eleocharis parvula Peter Rubtzoff; Vanette Bunyan 1973-8-25 7257 Sonoma Lower Salmon Creek Marsh. Just east of Hwy 1. Comment
  CAS-BOT-BC112273  Eleocharis rostellata Peter Rubtzoff 1952-5-31 1127 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UCD165112  Eleocharis rostellata Peter Rubtzoff 1973-9-9 7321 Sonoma Kenwood Marsh. Comment
  JEPS45815  Elymus californicus Eleanor Armstrong 1932-5-23 167 Sonoma 1 mi w of Camp Meeker (near coast) 91 Comment
  SEINET10509410  Elymus divergens Davy 1897-9-18 DAVY 4037 Sonoma Near Petaluma Comment
  UC1146677  Elymus glaucus Freed W. Hoffman 1943-6-13 2047 Sonoma Little Sulphur Creek North Coast Ranges 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
  LA14814  Elymus glaucus H. S. Yates; 1937-6-5 6574 Sonoma 3 mi SE of Wildmont 121 Comment
  UC1011033  Elymus glaucus Virginia Bufford 1935-5-9 35 Sonoma Stony Point-Two Rock Rd.; along R.R. Comment
  UCD62299  Elymus glaucus R. Tofsrud 1941-5-1 52 Sonoma Mc Donald Reservoir. Comment
  CAS-BOT-BC203709  Elymus glaucus subsp. glaucus David L. Morgan 1956-5-13 s.n. Sonoma 2 mi. W. of Petaluma on I st. Ext. Comment
  CAS-BOT-BC203715  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-10 1229 B Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203720  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-12 1133 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  CAS-BOT-BC203721  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1097 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  JEPS45813  Elymus glaucus subsp. glaucus Eleanor Armstrong 1932-5-19 162 Sonoma 1 mi w Camp Meeker 91 Comment
  CAS-BOT-BC235232  Elymus multisetus G. DeNevers 1981-5-30 1415 Sonoma Pepperwood Ranch. In Bertoli's Creek Comment
  UC70815  Elymus multisetus Dr. Ed. Palmer 1892-1 2422 Sonoma Petaluma Comment
  UCR255660  Epilobium Greg de Nevers 1998-4-28 11208 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  CAS-BOT-BC268058  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-7-20 5923 Sonoma Upper Salmon Creek 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
  RSA800030  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1955-8-20 2088 Sonoma Bodega Harbor Marsh. Comment
  UCD105936  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-8 415 Sonoma Pitkin Marsh, near Forestville. Comment
  RSA0015638  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh. Comment
  UC73324  Epilobium densiflorum Milo S. Baker 1904-6-19 Sonoma above Maple Glen; Sonoma Creek Canyon Comment
  UCD166300  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UCR280183  Epilobium hallianum Peter Rubtzoff 1958-5-10 3634 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  SD251254  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidenta Marsh Comment
  RSA41106  Epilobium minutum Robert F. Hoover 1939-4-18 4040 Sonoma Occidental Comment
  RSA458715  Epilobium minutum Christopher Davidson 1977-6-20 6040 Sonoma Ca 30 miles W of Geyserville on Stewart s Point-Skaggs Springs Rd. Or 5 miles E of jct of latter with road N to Annapolis. Gravel bar and gravel bank just above it on Wheatfield Fork of Gualala River. 76 Comment
  UCD165327  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164072  Equisetum Peter Rubtzoff 1962-5-25 4846 Sonoma Atascadero Creek Marsh. Comment
  UCD135324  Equisetum Donna Allen 1977-5-24 s.n. Sonoma Dry cr. rd. side 15 miles from the coast. Comment
  UCD165107  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC57129  Equisetum X ferrissii Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC57046  Equisetum arvense Peter Rubtzoff 1962-4-18 4800 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  RSA0045168  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 91 Comment
  CAS-BOT-BC164055  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  UC810320  Equisetum laevigatum K. Wagnon 1940-3-29 237 Sonoma nw corner Santa Rosa Jr. College Campus (along Eliot Ave.) 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
  CAS-BOT-BC204540  Eragrostis curvula Peter Rubtzoff 1971-8-23 6653 Sonoma Meacham Road 0.35 mi. south of Stony Point Road Comment
  UC1146674  Eragrostis hypnoides Freed W. Hoffman 1942-9-30 2164 Sonoma along Russian River; North Coast Ranges, along Russian River Comment
  SEINET11265218  Erechtites glomeratus Kaye H. Thorne 1984-11-21 3634 Sonoma Sea Ranch, 2.5 miles South Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  UC194498  Ericameria arborescens Edw. L. Greene 1888-9-1 Sonoma Petrified Forest Comment
  POM359364  Ericameria ericoides var. ericoides E. A. Purer 1932-7-24 s.n. Sonoma Near Bodega Bay Comment
  CAS-BOT-BC376240  Erigeron Greg de Nevers 1992-9-1 10248 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC376296  Erigeron Greg de Nevers 1992-7-25 10226 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  JEPS41425  Erigeron biolettii F. Bioletti 1893-6-1 Sonoma Hoods Peak Comment
  CAS-BOT-BC295125  Erigeron glaucus Walter Knight; Irja Knight 1963-8-13 169 Sonoma Horseshoe Cove Comment
  UCR254906  Erigeron inornatus Greg de Nevers 1993-8-7 10480 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS86806  Erigeron reductus var. angustatus Jack and Betty Guggolz 1991-6-29 1200 Sonoma approx. one mi NNW of the center of Camp Meeker Camp Meeker Comment
  CAS-BOT-BC300248  Erigeron reductus var. angustatus G. DeNevers 1981-6-20 1634 Sonoma Pepperwood Ranch. At the Dentist's Lake Comment
  CAS-BOT-BC300303  Erigeron supplex Mary P. Wells 1985-6-3 516 Sonoma Drive off Wild Fern Close, The Sea Ranch Comment
  SEINET5501281 Image available Eriodictyon californicum Sally Walker 1981-5-13 Sonoma 2 mi E of Occidental 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
Read comments Oct 17 2013
  CAS-BOT-BC259249  Eriogonum latifolium Walter Knight; Irja Knight 1963-8-13 170 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC259255  Eriogonum latifolium H. L. Mason 1928-7-10 4885 Sonoma Jenner Comment
  UC196696  Eriogonum latifolium Charlotte M. Hoak 1912-8-8 Sonoma mouth of Russian River Russian River Comment
  SEINET6894807  Eriogonum latifolium W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma 5 miles north of Fort Ross. Comment
  UC1299730  Eriogonum luteolum var. luteolum Freed W. Hoffman 1947-9-11 1375 Sonoma Spring Mountain road to St. Helena Comment
  CAS-BOT-BC261680  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC261681  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC261697  Eriogonum nudum var. nudum Walter Knight; Irja Knight 1963-9-15 239 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC261699  Eriogonum nudum var. nudum Lewis S. Rose 1933-9-3 33357 Sonoma 2 mi. w. of Petrified Forest Comment
  UCD101272  Eriogonum ternatum Roger Raiche 1984-6-23 RR 40235 Sonoma The Cedars, N of Cazadero, headwaters of East Austin Creek. Area called Red Slide. 548 Comment
Read comments Oct 17 2013
  CAS-BOT-BC262386  Eriogonum vimineum Greg de Nevers 1986-9-10 8110 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CHSC107500  Eriogonum vimineum D. G. Kelch; Troy McGregor 2010-8-22 10 .356 Sonoma Nr Peak of Geyser Peak Rd. Comment
  UCD160124  Eriogonum vimineum James A. Neilson Jr. 1974-6-1 2757 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation and coordinates estimated by label maker.) 1082 Comment
  CAS-BOT-BC301156  Eriophyllum lanatum var. achilleoides L. R. Abrams 1916-7-4 5789 Sonoma Road between Petrified Forest and Mark West Comment
  SEINET11844594  Eriophyllum lanatum var. achilleoides F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -239 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC301285  Eriophyllum lanatum var. arachnoideum Walter Knight; Irja Knight 1963-10-27 396 Sonoma Spring Mt. Road Comment
  POM66821  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan[s] Mills. Comment
Read comments Jun 19 2012
  UC31670  Eriophyllum lanatum var. arachnoideum Harley P. Chandler 1900-5-25 694 Sonoma Bodega Bay Comment
  UC88938  Eriophyllum lanatum var. arachnoideum Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  SD40135  Eriophyllum staechadifolium Edith A. Purer 1932-7-16 4034 Sonoma Bodega Bay Comment
  UC472267  Eriophyllum staechadifolium Miss C. M. Hoak 1912-8-1 Sonoma Comment
  RSA44517  Erodium brachycarpum L. S. Rose 1949-4-6 49025 Sonoma Western outskirts of Sonoma. 30 Comment
  UCD103150  Erodium cicutarium Frederica Bowcutt 1994-5-21 1824 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 396 Comment
  UCD103250  Erodium moschatum Frederica Bowcutt; Kate Mawdsley 1996-3-24 2072 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  UC765470  Eryngium aristulatum var. aristulatum R. F. Hoover 1938-6-14 3607 Sonoma 2 mi. s.e. Healdsburg Comment
  RSA93411  Eryngium aristulatum var. aristulatum Milo S. Baker 1954-8-12 13036 Sonoma Coney Lake Kenwood on Coney Ranch Comment
  POM179766  Eryngium armatum J. T. Howell 1930-6-8 5215 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  UCD127467  Eryngium constancei G. F. Hrusa; R. Gross 1996-10-5 13582 -C Sonoma summit of Mayacmas Range at west end of Diamond Mountain Road. Approx. 2 miles southwest of Calistoga. 700 Comment
  JEPS128273  Erysimum capitatum var. capitatum Roger Raiche 2000-4-23 042 .00 Sonoma The Cedars. Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC54763  Erysimum franciscanum D. E. Breedlove 1961-12-31 1441 Sonoma At mouth of Russian River. 3 Comment
  CAS-BOT-BC502686  Erythronium californicum D E Breedlove 1976-3-27 39 .454 Sonoma Streambank along Dry Creek, ca. 7 miles west of Warm Springs Dam Comment
  CAS-BOT-BC403703  Eschscholzia californica Alice Eastwood; John Thomas Howell 1939-4-2 7373 Sonoma Coast north of Bodega Bay Comment
  CAS-BOT-BC403708  Eschscholzia californica Joanne Taylor 1941-7-13 3 Sonoma Bodega Head 30 Comment
  SJSU1062  Euonymus occidentalis A. W. Jacobs 1950-7-15 Sonoma near Cloverdale Comment
  UCR275240  Euphorbia Peter Rubtzoff 1971-7-23 6610 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  UCR218738  Euphorbia oblongata George K. Helmkamp, E. A. Helmkamp 2010-6-4 16226 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CDA14897  Euphorbia oblongata M. Vernon 1986-6-13 Sonoma SW corner of Bodega Avenue and Bantam Way, Petaluma. 0 Comment
  UC29886  Eurybia radulina Edw. L. Greene Aug 31 1888-Jan 1 1900 Sonoma Petrified Forest Petrified Forest Comment
  CAS-BOT-BC239718  Fabaceae A. Day 1982-6-1 82 65 B Sonoma Pepperwood Ranch Comment
  JEPS128381  Festuca californica Roger Raiche 2000-5-5 085 .00 Sonoma The Cedars. Danfield Creek, Leona's Cabin Site. Gualala River, Wheatfield Fork watershed. Comment
  SDSU1110  Festuca californica D. F. Howe 1963-5-23 3528 Sonoma 3.8 miles north of Cloverdale on #128 335 Comment
  UCD161372  Festuca californica James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC283192  Festuca californica subsp. californica Peter Rubtzoff 1952-6-10 1236 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UC576335  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mi sw Petrified Forest; Calistoga Quad. 274 Comment
  UCD66122  Festuca occidentalis P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UCR256283  Filago gallica Peter Rubtzoff 1973-7-24 7197 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC304295  Filago pyramidata John Thomas Howell 1976-4-26 51595 Sonoma E of Geyserville on road to Geysers Comment
  UC924277  Fragaria chiloensis H. S. Reed 1947-5-7 215 Sonoma Bodega 15 Comment
  UCD113202  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma Coast Route 1, approximately 5 miles south of Jenner. Comment
  UCD84823  Fragaria vesca Nellie Coffey 1931-4-12 s.n. Sonoma Mount St. Helena. Comment
  UCD112540  Frangula californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-29 92 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD160880  Frangula californica James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3274 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Whispering Pines, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC53268  Frangula californica subsp. californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC53275  Frangula californica subsp. californica John Thomas Howell 1938-7-3 13955 Sonoma 3 miles N. of Sebastopol Comment
  UC1925909  Frankenia salina Ethel Crum 1930-10-5 875 Sonoma Petaluma Marshes, Sonoma County to Rio Vista, Solano County. Comment
  CAS-BOT-BC218583  Fraxinus latifolia H. E. McMinn 1922-6-1 s.n. Sonoma Petrified Forest Comment
  CAS-BOT-BC218588  Fraxinus latifolia Lewis S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek, ne of Santa Rosa 121 Comment
  UC34903  Fraxinus latifolia W. A. Setchell 1897-6-16 Sonoma Cazadero Comment
Read comments Dec 31 2015
  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
  UC1577343  Fritillaria affinis Baki Kasapligil 1971-3-20 4396 Sonoma 8 mi s of Santa Rosa (Kenwood, along Sonoma Creek); Kenwood, Sonoma Creek 240 Comment
  CAS-BOT-BC130184  Fritillaria affinis Elmer I. Applegate 1934-3-25 8851 Sonoma Sausal Creek, foothills of eastern Sonoma County, below Pine Flat Comment
  UC429300  Fritillaria liliacea Milo S. Baker 1897-4 Sonoma near Santa Rosa (on Bennett Peak); Bennett Peak Comment
  CHSC40038  Fritillaria recurva Michener; Bioletti 1893-4-1 Sonoma Hood Peak. Comment
Read comments Jan 1 2012
  JEPS55676  Fritillaria recurva Wayne Roderick 1968-3-24 Sonoma Cavedale Road 274 Comment
  UC480623  Fritillaria recurva Carl Meyer 1928-3-3 321 Sonoma Santa Rosa Comment
  CAS-BOT-BC508137  Fritillaria recurva Michener; Bioletti 1893-3-1 s.n. Sonoma Mt. Hood Comment
  CAS-BOT-BC508139  Fritillaria recurva John Thomas Howell 1934-3-26 11782 Sonoma Southwestern base of Mt. Hood Comment
  RSA264747  Galium aparine Peter Rubtzoff 1962-6-1 4863 Sonoma Freestone Marsh. Comment
  UCD151302  Galium bolanderi James A. Neilson Jr. 1974-7-31 3165 Sonoma Mayacmas Mountains. Three-quarters of a mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  JEPS128191  Galium californicum Roger Raiche 1999-5-23 007 .99 Sonoma The Cedars, Mineral Falls Canyon, Lunar Fork. Lower Russian River, Big Austin Creek watershed. Comment
  RSA264736  Galium divaricatum Peter Rubtzoff, H. A. Froebe 1971-5-30 6497 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  RSA47803  Galium divaricatum Roxana S. Ferris, Laura Lorraine 1948-6-9 11661 Sonoma 1 miles from Geyserville on road to Kellogg. Comment
  SEINET12333743  Galium murale H. K. Wagnon 1989-1 1882 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, edge of service road 67 Comment
  CDA18033  Galium parisiense R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  JEPS52966  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3904 Sonoma hillside above Austin Creek (neat the head, on King Mountain Rd) Comment
  UCD121901  Galium porrigens var. porrigens Frederica Bowcutt 1994-5-21 1831 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 18 air miles NW of Napa, about 1.5 air miles N of Kenwood. Along Hillside Trail past the junction with Digger Pine trail approx. 1/4 mile. 411 Comment
  UC201104  Galium tricornutum Katharine Brandegee Sonoma Santa Rosa Comment
  RSA264739  Galium triflorum Peter Rubtzoff 1954-8-2 1616 Sonoma Duncans Mills Marsh. Comment
  UCR255027  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA603802  Gamochaeta ustulata D. D. Keck, Jens Clausen 1935-6-15 3370 Sonoma 1 mile north of Salmon Creek (North of mouth of Salmon Creek.) Comment
  UCD148421  Gamochaeta ustulata Peter Rubtzoff 1960-5-22 4413 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CDA11138  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11549 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  UCSB4684  Garrya fremontii Keator, Glenn 1959-4-2 Sonoma slopes of St. Helena; 9.1 miles north of Calistoga Comment
  CAS-BOT-BC278694  Gastridium phleoides Peter Rubtzoff 1962-9-16 5091 Sonoma Vacation Beach, 1.5 mi. below Guerneville Comment
  CAS-BOT-BC58943  Gaultheria shallon Walter Knight; Irja Knight 1964-2-27 559 Sonoma 6 mi. N. Stewart's Point Comment
  UCSB4792  Gaultheria shallon Haller, John 1960-5-29 Sonoma 3.6 miles southeast of Stewarts Point settlement (road to Healdsburg), 11.8 miles northwest of Fort Ross on California 1 Comment
  SEINET11995840  Gaultheria shallon F. H. Utech 1988-1 88 -219 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  CAS-BOT-BC193256  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road. 182 Comment
  UCD105725  Genista monspessulana Mary M. Hektner 1976-4-3 237 Sonoma Roadcut of State Highway 1: Unit 35-A Owners' Map, Sea Ranch. Comment
  RSA98558  Gentiana sceptrum G. Thomas Robbins 1938-6-23 268 Sonoma On Pitkin Ranch, Vine Hill region, ca. ten miles west of Santa Rosa. Comment
  UC796669  Geranium dissectum Ira L. Wiggins 1949-4-30 12068 Sonoma 4 mi w Calistoga Comment
  SBBG3929  Geranium potentilloides H. and M. Dearing 1939-5-14 3350 Sonoma near coast on Russian River Comment
  UCD160216  Gilia capitata James A. Neilson Jr. 1974-5-17 2867 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated by label maker.) 1115 Comment
  JEPS46208  Gilia capitata subsp. capitata Eleanor Armstrong 1932-5-15 453 Sonoma near Camp Meeker; near Camp Meeker 106 Comment
  UC1299524  Gilia capitata subsp. capitata Freed W. Hoffman 1947-6-4 510 Sonoma upper reaches East Austin Creek North Coast Ranges, East Austin Creek, Rocky Mountain (Rocky Mountain) Comment
  UC73644  Gilia capitata subsp. capitata Milo S. Baker 1898-6-1 593 Sonoma Santa Rosa Cemetary Comment
  CAS-BOT-BC225278  Gilia capitata subsp. chamissonis Peter Rubtzoff 1955-8-20 2071 Sonoma Bodega Harbor Marsh Comment
  UCD117702  Gilia capitata subsp. chamissonis Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  JEPS117089  Gilia capitata subsp. pacifica Peter Warner 2010-5-20 157 Sonoma Jenner Headlands, upper Middle Pasture, ~160 m W of road (Willig Extension Dr.) at drainage, ~ 514 m W 305 deg. N of barn, ~ 15 m W of fence Comment
  UC1745902  Gilia capitata subsp. tomentosa Annetta M. Carter, Edward Lee 1936-6-21 1200 Sonoma 2.2 mi. inland from Bodega Bay on road to Bodega. Comment
  RSA0006670  Gilia pallida A. A. Heller 1902-6-23 11498 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
  RSA51328  Gilia tricolor P. H. Raven 1950-4-6 1604 Sonoma Lower slopes of Rincon Ridge, 4 miles from Santa Rosa to Sonoma. 244 Comment
  UC1299519  Gilia tricolor subsp. tricolor Freed W. Hoffman 1947-4-3 879 Sonoma near Guerneville (headwaters of Fife Creek on road to Austin Ranch); North Coast Ranges, Fife Creek, near Guerneville Comment
  UC29077  Githopsis diffusa subsp. robusta Edw. L. Greene 1888-8-30 Sonoma Mt. St. Helena Comment
  JEPS128197  Githopsis specularioides Roger Raiche 2000-5-4 075 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA786494  Glyceria declinata Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  RSA786497  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  UCR282048  Glyceria declinata Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa 24 Comment
  CAS-BOT-BC282812  Glyceria leptostachya Peter Rubtzoff 1955-5-14 1837 Sonoma Forestville Marsh Comment
  RSA126635  Glyceria leptostachya H. S. Yates 1937-5-30 6554 Sonoma 1.5 miles E. of Occidental. 91 Comment
  CAS-BOT-BC282805  Glyceria leptostachya A. A. Heller 1902-5-24 5606 Sonoma Near Sonoma Comment
  RSA227239  Glyceria striata Peter Rubtzoff 1960-5-22 4414 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  CAS-BOT-BC303844  Gnaphalium Alice Eastwood 1921-5-8 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC166916  Gnaphalium chilense Peter Rubtzoff 1962-6-21 4936 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC166761  Gnaphalium palustre Peter Rubtzoff 1976-10-16 s.n. Sonoma Russian River Beach at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166790  Gnaphalium palustre Peter Rubtzoff 1959-6-20 4164 Sonoma Willow Creek Marsh. Comment
  POM56984  Gnaphalium palustre A. A. Heller 1902-6-10 5684 Sonoma Santa Rosa Comment
  UCR279610  Gnaphalium palustre Peter Rubtzoff 1959-6-20 4164 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC176134  Gnaphalium palustre Peter Rubtzoff 1951-9-3 740 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166789  Gnaphalium purpureum Peter Rubtzoff 1955-9-9 2122 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC261652  Gratiola Peter Rubtzoff; H. A. Froebe 1971-5-30 6495 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD166172  Gratiola Peter Rubtzoff 1969-6-14 6083 Sonoma Vernal pool, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  RSA785749  Grindelia Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC305171  Grindelia hirsutula Catherine Best 1982-8-18 s.n. Sonoma At Goat Rock Park Comment
  CAS-BOT-BC305185  Grindelia hirsutula G. DeNevers 1981-6-6 1445 Sonoma Pepperwood Ranch. At the first Pepperwood entrance Comment
  CDA15994  Grindelia hirsutula G. F. Hrusa, M. Gillogly 2000-7-26 15674 Sonoma North Coast Biodiversity Arena; Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Comment
  JEPS41926  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  UC468768  Grindelia hirsutula Harley P. Chandler 1900-5-25 695 Sonoma Bodega Bay Comment
  CAS-BOT-BC305170  Grindelia hirsutula Alice Eastwood 1921-7-20 10615 Sonoma Between Cotati & Santa Rosa Comment
  UC894090  Harmonia nutans Alice Eastwood 1915-5-1 6842 Sonoma Mt. St. Helena Comment
  JEPS117092  Harmonia nutans Peter Warner 2010-5-23 158 Sonoma Ida Clayton Rd., ~ 5.3 km fr. jct. w/ Hwy 128; on upslope (W) side of road Comment
  CDA37137  Hedera helix Chris Heintzelman 2012-4-13 PDR# 1596521 Sonoma Salt Point, approx. 1/2 mile north of Fisk Mill Cove, along Hwy 1. 0 Comment
  UC353800  Helenium bigelovii Milo S. Baker 1928-4-28 3001 b Sonoma Pitkin Swamp Comment
  UCD132736  Helenium bigelovii Chas. Heiser 1946-5-19 s.n. Sonoma Pitkin Marsh, Vine Hill region. Comment
  RSA94303  Helenium bigelovii Peter Rubtzoff 1951-6-9 155 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC309579  Helenium puberulum G. DeNevers 1981-5-30 1386 Sonoma Pepperwood Ranch. Shore of Pippindale Pond Comment
  POM54893  Helenium puberulum A. A. Heller 1902-7-1 5795 Sonoma Lagoon at Sebastopol Comment
  OBI77851  Helianthus gracilentus David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-5 24503 Sonoma Along Cavedale Road ca. 1.5 miles from junction with Trinity Road, Mayacamus Mountains Comment
  UCD148377  Helminthotheca echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncans Mills Marsh. Comment
  UCD166490  Hemizonia Peter Rubtzoff 1958-8-23 3921 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  UCR244619  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma Vernal pool area, 6.5 mi northeast of Penngrove on Lichau Road 427 Comment
  POM179723  Hemizonia congesta J. T. Howell 1930-6-8 5216 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  UCD168048  Hemizonia congesta James Neilson 1981-7-1 4043 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
  UCD168063  Hemizonia congesta James Neilson 1981-8-21 4062 Sonoma Mayacmas Mountains. Healdsberg-Geysers Rd ca. 2 mi. from foothills. (Exact location unknown. Coordinates estimated by label maker.) Comment
  OBI49585  Hemizonia congesta subsp. clevelandii Caitlin Bean 1992-6-16 s.n. Sonoma Windsor at confluence of E Windsor Crk and Windsor crk Comment
  UC727137  Hemizonia congesta subsp. clevelandii A. A. Heller 1941-9-22 16320 Sonoma three mi e northern base ofMount St. Helena (on State Hwy #29) Comment
  CAS-BOT-BC306235  Hemizonia congesta subsp. congesta Peter Rubtzoff 1951-6-17 266 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  SD53396  Hemizonia congesta subsp. congesta Darley F. Howe 1962-7-29 3364 Sonoma 4.3 miles north of Jenner on Highway 1. Comment
  UC65349  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  UC952862  Hemizonia congesta subsp. congesta Milo S. Baker 1945-8-14 11153 Sonoma 2 mi n Sebastopol (drier ground of marsh); Perry Marsh Comment
  UCSB15710  Hemizonia congesta subsp. congesta Breedlove, Dennis 1961-12-31 Sonoma 2.3 miles south of Russian River on State Highway 1 30 Comment
  UC89773  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma Lagoon at Sebastapol Comment
  CAS-BOT-BC309677  Hemizonia congesta subsp. lutescens James I. McMurphy 1917-9-15 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC309679  Hemizonia congesta subsp. lutescens H. M. Hall 1930-10-4 12950 Sonoma South of 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-BC309714  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5409 Sonoma 8 miles south of Ft. Ross Comment
  SBBG128853  Hemizonia congesta subsp. lutescens A. Howald 2011-8-30 2808 Sonoma eastern Petaluma Valley, Manor Lane, 0.5 mi N of intersection with Old Adobe Rd 75 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
  UCD135802  Hemizonia congesta subsp. lutescens Bruce G. Baldwin 1986-10-29 645 Sonoma 0.3 mile south of junction with California State Highway 116 along Lakeville Road. Comment
  UC421612  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4539 Sonoma 7.5 mi from Santa Rosa (on road to Petrified Forest) Comment
  CAS-BOT-BC309944  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12100 Sonoma North of Healdsburg Comment
  OBI16230  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-8-23 9918 Sonoma Mark West Creek, on Santa Rosa-Calistoga Rd near jctn of St Helena Rd Comment
  RSA0015419  Hemizonia congesta subsp. luzulifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CDA6976  Hemizonia corymbosa T. C. Fuller 1981-9-9 20386 Sonoma Bodega Harbor subdivision just south of Bodega Bay. 0 Comment
  UC990611  Hemizonia luzulifolia subsp. luzulifolia James I. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  RSA81599  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S of the Geysers. Comment
  RSA81677  Hemizonia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Sonoma Calistoga Warm Springs. Comment
  CAS-BOT-BC310216  Hesperevax sparsiflora var. sparsiflora G. DeNevers 1981-4-25 834 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  LA6483  Hesperocyparis goveniana Milo S. Baker; 1934-3-25 7578 Sonoma Pine Flat Comment
  SD40697  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2 miles from Occidental, Coys Ranch 89 Comment
  OBI12534  Hesperolinon micranthum Herbert L. Mason 1946-7-4 12895 Sonoma Inner North coast Ranges. 2 mi E of Occidental on Harrison Grade Comment
  RSA151834  Hesperolinon micranthum H. K. Sharsmith 1947-5-30 3965 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  JEPS82314  Hesperolinon spergulinum Roger Raiche 1983-6-19 30411 Sonoma The Cedars; slopes of Red Slide Creek 243 Comment
  OBI49064  Hesperolinon spergulinum Michener & Bioletti, Bioletti 1893-6-11 35 Sonoma Hoods Peak Comment
  RSA126155  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma Harrison Grade, 1 mi N.E. of Occidental in serpentine area. Comment
  UC980588  Heterocodon rariflorum Milo Baker 1936-5-29 Sonoma near Wright's School (on S<??> Hwy) Comment
  UCD102191  Heteromeles arbutifolia Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Alexander Valley. Pine Flat Road to the Geysers Area. Audubon Sanctuary. 400 Comment
  UC1093930  Heterotheca oregona var. oregona Herbert L. Mason Nov 26 1925-Nov 27 1925 2493 Sonoma Monte Rio, along Russian River Russian River Comment
  UC420433  Heuchera micrantha var. erubescens Milo S. Baker 1898-6-11 678 Sonoma Little Sulphur Creek Comment
  UC666147  Heuchera pilosissima Annetta Carter, Ethel Crum 1941-6-22 1640 Sonoma ne-facing slope 3.3 mi e of Bodega Bay; North Coast Ranges Comment
  UCD102629  Heuchera pilosissima Mary M. Hektner 1975-6-3 205 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  POM253357  Heuchera pilosissima A. A. Heller 1938-5-14 s.n. Sonoma S end of Bodega Bay Comment
  SEINET12221839  Heuchera pilosissima F. H. Utech 1988-5-21 88 -221 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point 75 Comment
  SEINET195012  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near S end of Bodega Bay Comment
  CDA5016  Hibiscus trionum E. P. Delfino 1959-11-3 Sonoma 199 West Matheson, Santa Rosa. 0 Comment
  CAS-BOT-BC319708  Hieracium albiflorum Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  UCD160127  Hieracium albiflorum James A. Neilson Jr. 1973-6-6 3559 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-BC319703  Hieracium albiflorum Dorothy Scherer 1997-5-20 131 Sonoma Hilltop south side of Fort Ross Road, 1/8 mi. west of Seaview rd., Fort Ross State Historic Park 39 Comment
  RSA0025690  Hierochloe occidentalis John F. Emmel 1989-12-3 1141 Sonoma 0.3 air mi WSW of Plantation, near NE boundary of Salt Point State Park. 183 Comment
  CAS-BOT-BC55452  Hirschfeldia incana Alice Eastwood 1920-7-31 9997 Sonoma Vallejo. Comment
  JEPS65622  Hoita macrostachya W. L. Jepson 1921-9-12 9483 Sonoma Alexander Valley; s side 45 Comment
  RSA800062  Hoita macrostachya Peter Rubtzoff, Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 mi south of junction with Sonoma Mountain Road (2.7 mi north of Lichau Road junction). Comment
  OBI78066  Hoita orbicularis Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood Comment
  CAS-BOT-BC280794  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UCD84979  Holcus lanatus M. Wiesendanger 1927-5-5 722 Sonoma Sonoma County. Sonoma. Comment
  UC1084468  Holodiscus discolor G. Thomas Robbins 1937-6-6 233 Sonoma 2-3 mi e of Bodega Bay Comment
  UC70429  Holodiscus discolor Willie Randall 1898-6-1 607 Sonoma near Sebastopol Comment
  UC861997  Holodiscus discolor Marcus E. Jones, A. M. 1882-7-18 3579 Sonoma Duncan Mills Comment
  CAS-BOT-BC152386  Holodiscus discolor var. discolor Mary P. Wells 1984-5-24 277 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC315814  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  UCR244742  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  UCR255729  Holozonia filipes Greg de Nevers 1996-5-30 10834 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  RSA783727  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake. Comment
  UCD85402  Hordeum brachyantherum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mile W of junction of Arnold Drive. Comment
  UCD85485  Hordeum brachyantherum Collector unknown 1941-3-1 s.n. Sonoma Santa Rosa Junior College. Comment
  CAS-BOT-BC289292  Hordeum brachyantherum subsp. brachyantherum Peter H. Raven 1950-4-6 1557 Sonoma Cotati to Santa Rosa 45 Comment
  RSA785737  Hordeum marinum subsp. gussoneanum Carrie A. Herd 1982-5-15 114 Sonoma Rohnert Park Comment
  CDA36853  Hordeum murinum subsp. leporinum CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC72982  Horkelia californica Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  UC903149  Horkelia californica Ethel Crum 1930-6-8 753 Sonoma 8 mi n Bodega Bay Comment
  CAS-BOT-BC536156  Horkelia californica P. A. Munz 1936-8-7 14309 Sonoma Six miles north of Bodega Comment
  CAS-BOT-BC536170  Horkelia californica var. elata Milo S. Baker 1930-5-31 4150 b Sonoma Russian River east of Healdsburg above Buttes Comment
  CAS-BOT-BC146522  Horkelia tenuiloba John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  RSA731317  Horkelia tenuiloba Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  UC766414  Horkelia tenuiloba Robert F. Hoover 1941-6-7 5301 Sonoma Molino-Occidental Rd Comment
  SBBG3416  Hosackia gracilis H. and M. Dearing 1939-5-15 3380 Sonoma N of Fort Ross Comment
  CAS-BOT-BC540825  Hypericum Peter Rubtzoff 1969-7-21 6115 Sonoma Guerneville Marsh, Pocket Canyon area. Comment
  SEINET7062821  Hypericum anagalloides A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  UC1299211  Hypericum concinnum Freed W. Hoffman 1947-5-30 525 Sonoma Layton Mine North Coast Ranges, Austin Creek, Layton Mine Comment
  RSA135430  Hypericum concinnum Volney Rattan 1877 Sonoma Cloverdale Comment
  JEPS128241  Hypochaeris glabra Roger Raiche 2000-5-4 078 .00 Sonoma The Cedars. Promentory, Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC316715  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  SEINET7062924  Ipomoea purpurea A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road and near Taddeuci. (WGS84/NAD83). UTM Zone 10, 505989mE, 4250987mN. 262 Comment
  SEINET3875269  Iris douglasiana Janet McIntosh 1966-4-27 24 Sonoma Ca. 1000 feet from shore; State Highway 1, 5 miles North of Jenner, Sonoma County, California.; 0 Comment
  UCD138724  Iris fernaldii Frederica Bowcutt 1994-5-1 1761 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trail head. 198 Comment
  UCD160311  Iris fernaldii James A. Neilson Jr. 1975-5-23 3211 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  RSA48723  Iris fernaldii Lee W. Lenz 1949-5-2 14427 Sonoma Santa Rosa - Calistoga Road, 0.5 mile from junction with road to Mark West Springs 610 Comment
  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
  UC566066  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 mi n Camp Meeker; Sebastopol Quad. 91 Comment
  CDA39598  Iris macrosiphon R. Marsh 1961-3-23 s.n. Sonoma 300 Trinity Road, Glen Ellen. 0 Comment
  RSA177917  Iris macrosiphon Robert F. Thorne 1965-4-20 34366 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  RSA66912  Iris missouriensis E. K. Balls, Lee W. Lenz 1951-5-3 16399 Sonoma Ca. 2 miles north of Highway 12 on road to Petrified Forest Comment
  UCR254909  Isoetes Greg de Nevers 1997-5-30 11010 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM203033  Isoetes howellii J. T. Howell 1934-3-27 11805 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  CAS-BOT-BC112414  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh near Forestville: Lower part of the Upper Marsh. Comment
  RSA114299  Isolepis carinata J. T. Howell 1957-6-13 32620 Sonoma Pitkin Marsh. Comment
  UCR224691  Isolepis carinata Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  SD134069  Isolepis carinata Peter Rubtzoff 1963-5-26 5140 Sonoma Bennett Mountain Lake, vernally wet, partially shaded ground. Comment
  CAS-BOT-BC112562  Isolepis cernua Walter Knight; Irja Knight 1963-8-18 177 Sonoma Horseshoe Cove. Comment
  JEPS25000  Isolepis cernua G. Thomas Robbins 1958-8-11 3925 Sonoma on tidal flat along w shore Bodega Harbor; w shore Bodega Harbor Comment
  CAS-BOT-BC164032  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6224 Sonoma Sonoma: Five miles north of Sears Point Comment
  CAS-BOT-BC164386  Juncus balticus subsp. ater Peter Rubtzoff 1971-7-23 6606 Sonoma Sonoma: Laguna, Chileno Valley Comment
  UC1299319  Juncus bolanderi Freed W. Hoffman 1942-6-15 2131 Sonoma near Guerneville; North Coast Ranges Comment
  UCD164998  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing. Comment
  JEPS30835  Juncus breweri Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8591 Sonoma just n Horseshoe Cove ((indicated on Bodega Head U.S.G.S. Sheet as depressed contour)); Bodega Head Comment
Read comments Dec 13 2006
  SEINET7067269  Juncus bufonius A. G. Vestal 1947-5-13 s.n. Sonoma About 1.6 miles east of Annaplis on the Annapolis Road. Coordinate datum: NAD27. UTM 10, 425816mE, 4285229mN. Comment
  UCD141367  Juncus bufonius Frederica Bowcutt 1984-6-23 431 a Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  SEINET7042682  Juncus bufonius A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  RSA94318  Juncus bufonius var. bufonius Peter Rubtzoff 1951-7-14 445 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC182750  Juncus dubius Peter Rubtzoff; Betty Lovell 1975-8-11 8314 Sonoma Kenwood Marsh Comment
  UCR244616  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh Comment
  UCR280144  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-9-3 6693 Sonoma North Coast Range, Spring Creek Reservoir 87 Comment
  CAS-BOT-BC164047  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-7-23 6620 Sonoma Sonoma: Spring Hill Road, 2.7 miles southeast of Bodega Hwy (of Two Rock Church) Comment
  CAS-BOT-BC164049  Juncus effusus subsp. pacificus Peter Rubtzoff 1969-8-14 6136 Sonoma Sonoma: Coleman Marsh Comment
  UCD84293  Juncus hemiendytus var. hemiendytus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  SEINET3879737  Juncus kelloggii Alice Eastwood, John Thomas Howell 1940-5-5 7866 Sonoma Summit of Bennett Valley road.; 0 Comment
  CAS-BOT-BC290568  Juncus lescurii Peter Rubtzoff 1954-8-9 1665 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC328116  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh. Comment
  RSA0031402  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh. Comment
  UCD141578  Juncus lescurii Terri Williamson 1990-5-20 64 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  RSA94317  Juncus mexicanus Peter Rubtzoff 1951-9-2 717 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  CAS-BOT-BC210118  Juncus occidentalis Peter Rubtzoff 1974-6-2 7523 Sonoma Upper Green Valley Marsh Comment
  UC1146699  Juncus occidentalis Freed W. Hoffman 1941-5-18 2180 Sonoma Franz Valley North Coast Ranges Comment
  CDA39184  Juncus orthophyllus T. C. Fuller 1958-5-24 3991 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA244325  Juncus oxymeris Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1091 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. 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
  CAS-BOT-BC311841  Kickxia Peter Rubtzoff 1969-8-14 6128 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  RSA0023016  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA247442  Kickxia elatine Peter Rubtzoff 1959-6-20 4158 Sonoma Willow Creek Marsh. Willow Creek. Comment
  SEINET12327556  Kickxia elatine W. Knight, Knight, I.; Edwards, S. W. 1984-1 5044 Sonoma Willow Creek between Denman Flat & Corona Rd, near Petaluma Comment
  UCD85860  Koeleria macrantha P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  UCR254875  Koeleria macrantha Peter Rubtzoff 1964-6-6 5357 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg 61 Comment
  CAS-BOT-BC340484  Lactuca saligna John Thomas Howell 1957-10-12 33001 Sonoma About 1 mi. sw. of Sonoma Comment
  CAS-BOT-BC324930  Lasthenia burkei Peter Rubtzoff 1966-4-17 5677 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  UC1594208  Lasthenia burkei L. Huntington 1990-5-12 260 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  RSA784684  Lasthenia burkei Mark Elvin 1997-5-7 399 Sonoma Near SE corner of Sonoma Co airport adjacent to main runway. 11 Comment
  CAS-BOT-BC346328  Lasthenia californica A. A. Heller; H. E. Brown 1902-4-15 s.n. Sonoma Santa Rosa Creek Comment
  SEINET7067258  Lasthenia californica A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  UC726335  Lasthenia californica subsp. bakeri A. A. Heller 1938-5-14 15086 Sonoma e Bodega Bay Comment
  UC893741  Lasthenia californica subsp. bakeri Milo S. Baker 1932-4-25 5958 Sonoma one mi e Bodega Bay Comment
  CAS-BOT-BC355520  Lasthenia glaberrima John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54020 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC355521  Lasthenia glaberrima Alice Eastwood 1921-4-24 10356 Sonoma Santa Rosa Comment
  UC1728263  Lasthenia glabrata subsp. glabrata Phyllis M. Faber 1998-5-1 Sonoma off Hwy 37 near Petaluma River (east side) (in disturbed area of dike removal); Sonoma baylands Comment
  UC2061430  Lasthenia gracilis Rachael L. Olliff Yang 2017-5-2 20 Sonoma Pepperwood Preserve, Double ponds area, about 200 m North of the road. Comment
  RSA42049  Lasthenia macrantha subsp. macrantha Ella Dales Cantelow 1938-5-7 s.n. Sonoma 2.5 miles N of Bodega Comment
  JEPS86809  Lathyrus Jack and Betty Guggolz 1991-5-20 1140 Sonoma 97 Comment
  UCD150835  Lathyrus hirsutus Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  UCR254873  Lathyrus jepsonii Peter Rubtzoff 1958-7-19 3771 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  RSA0018561  Lathyrus vestitus Keith E. Hoffmaster 1946-3-9 1085 Sonoma near Bodega. Comment
  POM277788  Lathyrus vestitus subsp. vestitus Lyman Benson 1928-3-24 93 Sonoma Geyserville 152 Comment
  CAS-BOT-BC323233  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 miles E of Shellville (just E of intersection of Sonoma road). Comment
  UC584225 Image available Layia chrysanthemoides J. Clausen 1935-5-24 1090 Sonoma 6.2 mi s Jenner (at a little bay); ; S of Jenner, Sonoma Co. Comment
  UCSB21086  Layia chrysanthemoides McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and Mac Arthur St., Sonoma 25 Comment
  CAS-BOT-BC313745  Layia chrysanthemoides subsp. maritima J. Clausen 1935-5-24 1090 Sonoma 6.2 miles S of Jenner Comment
  UC584226  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 mi s Jenner Comment
  UCD133980  Layia platyglossa Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 41 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC379576  Layia platyglossa John Thomas Howell 1976-6-15 18261 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles outh of Gualala 30 Comment
  POM53343  Layia platyglossa subsp. campestris H. E. Brown, A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood. Comment
  CAS-BOT-BC184129  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville) Comment
  CAS-BOT-BC210113  Leersia Peter Rubtzoff 1973-9-4 7298 Sonoma Russain River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC274359  Leersia oryzoides Freed Hoffman 1943-10-26 s.n. Sonoma Russian River, near Guerneville Comment
  CAS-BOT-BC274362  Leersia oryzoides Peter Rubtzoff 1963-9-28 5285 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg. Along Russian River margin Comment
  CAS-BOT-BC376241  Leersia oryzoides Greg de Nevers 1992-8-16 10245 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  UC688868  Leersia oryzoides Freed Hoffman 1943-10-26 5 Sonoma near Guerneville (Russian River); Russian River Comment
  UCD166258  Lemna Peter Rubtzoff 1970-8-18 6315 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC527253  Lemna gibba Peter Rubtzoff 1961-8-6 4674 Sonoma Americano Creek 1/2 mile east of Valley Ford, Sonoma County Marshes 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-BC527284  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  UCR256273  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  UCR256275  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh 6 Comment
  SEINET6165742 Image available Lepechinia calycina Unknown 1984-6-1 s.n. Sonoma Occidental Sonoma county Ca, Originally from Santa Barbara Comment
  CAS-BOT-BC88691  Lepidium acutidens Rimo Bacigalupi 1926-3-27 1255 Sonoma Opposite Myrtledale Geyser 1.5 miles north of Calistoga. Comment
  CHSC57358  Lepidium nitidum Shelly A. Kirn 1991-3-28 2 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  POM182701  Lepidium oxycarpum D. D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  CAS-BOT-BC12968  Lepidium strictum John Thomas Howell; Catherine Best 1981-4-2 53934 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, Sonoma Mountain east of Cotati. 457 Comment
  CAS-BOT-BC273996  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1958-9-27 4006 Sonoma Laguna de Santa Rosa NE of Graton 1/2 mile N of Guerneville Road Comment
  CAS-BOT-BC226541  Leptosiphon acicularis F. P. Bailey 1925-4-26 85 Local Sonoma Geyserville 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-BC226696  Leptosiphon jepsonii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53956 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CDA39790  Lessingia arachnoidea Peter Warner 2013-8-2 298 Sonoma Bohemian Highway, ~ 3 km north-northwest of Camp Meeker, just south of sharp west bend in road, in roadside turnout above Dutch Bill Creek. Comment
  SEINET4437333 Image available Lessingia bicolor A. A. Heller 1902-1 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC368056  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mouth of Kalfenatchi's[?] driveway 400 Comment
  CAS-BOT-BC272127  Leymus triticoides John Thomas Howell 1930-6-8 5227 Sonoma Bodega Road 4 iles east of Valley Ford Comment
  RSA0045176  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, between Cresta and second bridge below Mark West Lodge. 100 Comment
  UC648276  Ligusticum apiifolium Alice Eastwood and John Thomas Howell 1939-6-11 7409 Sonoma near Triniti P.O. (Hood Mt. Range); Hood Mt. Range Comment
  UCR255038  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC436056  Ligusticum grayi Rimo Bacigalupi 1926-5-2 1388 Sonoma Cazadero Comment
  CAS-BOT-BC451705  Lilaea scilloides Greg de Nevers 1992-5-5 10142 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC451712  Lilaea scilloides Peter Rubtzoff 1962-8-22 5056 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC130695  Lilium occidentale Peter Rubtzoff 1951-8-18 633 Sonoma Western branch of the Upper Marsh Comment
  RSA63113  Limnanthes alba L. S. Rose 1951-5-17 51007 Sonoma Hills west of Agua Caliente. 91 Comment
  JEPS77876  Limnanthes douglasii Robert M. Lloyd 1965-5-8 3639 Sonoma Llano Road e Cunningham (se of Sebastopol, about 4 mi n of Route 116, upper portion of Marsh); Laguna de Santa Rosa Marsh Comment
  UCR5989  Limnanthes douglasii Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay Region, Hwy 116, 5 mi. south of Sonoma 305 Comment
  RSA155473  Limnanthes douglasii L. S. Rose 1962-6-1 62061 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  SEINET6205134  Limnanthes douglasii L. S. Rose 1965-1 65020 Sonoma Sonoma Comment
  UCSB22630  Limnanthes douglasii McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and MacArthur St. 25 Comment
  UC17900  Limnanthes douglasii subsp. douglasii W. H. Brewer 1862-4-18 972 Sonoma near Sonoma Comment
  RSA620404  Limnanthes douglasii subsp. douglasii Greg de Nevers 1993-4-15 10373 Sonoma Healdsburg. Healdsburg Ave., open field opposite the lumber mill. 61 Comment
  CAS-BOT-BC45952  Limnanthes vinculans Peter Rubtzoff; Nancy Harrison 1978-5-20 9179 Sonoma Cunningham Marsh area. On north side of Bulcher Creek valley. Comment
  JEPS86355  Limnanthes vinculans Jack and Betty Guggolz 1988-4-17 917 Sonoma in sw corner of a new housing development Comment
  RSA534571  Limnanthes vinculans Peter Rubtzoff, N. Harrison 1978-5-20 9179 Sonoma Cunningham Marsh Area. Open, very wet ground on north side of Blucher Creek Valley Comment
  SD77925  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5689 Sonoma Meadow on north side of Hessel Road just west of Highway 116. Comment
  RSA0004098  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  CAS-BOT-BC376438  Linanthus Greg de Nevers 1998-5-26 11257 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  JEPS58169  Linanthus androsaceus J. Ewan 1935-5-12 9200 Sonoma 2 mi w Bodega (Bodega Bay road) Comment
  UC106674  Linanthus androsaceus Katharine Brandegee 1905-6-25 Sonoma Bodega Bay Comment
  UC70407  Linanthus grandiflorus Milo S. Baker 1899-6-24 Sonoma near Valley Ford Comment
  UC11905  Lithophragma bolanderi F. T. Bioletti 1892-1 Sonoma Sonoma (?) Comment
  UC1299676  Lithophragma heterophyllum Freed W. Hoffman 1947-5-31 1859 Sonoma Chimney Rock near Monte Rio; North Coast Ranges, Chimney Rock near Monte Rio Comment
  CAS-BOT-BC342133  Logfia filaginoides Greg de Nevers; Frank Almeda 1987-4-11 8140 Sonoma Pepperwood Rach Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC342496  Logfia gallica G. DeNevers 1981-5-14 1145 Sonoma Pepperwood Ranch. On the trail across Hansel's driveway Comment
  CAS-BOT-BC283533  Lolium Roxana S. Ferris; Laura Lorraine 1961-6-14 13547 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC283292  Lolium multiflorum David L. Morgan 1960-7-10 s.n. Sonoma 1 mile S of Carmet, State Highway 1, Bodega Coast Comment
  RSA121238  Lolium perenne subsp. multiflorum H. S. Yates 1937-5-30 6552 Sonoma 1.5 miles E. of Occidental. 91 Comment
  UCR218641  Lolium perenne subsp. multiflorum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16221 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC269191  Lolium temulentum A. A. Heller 1902-6-10 5679 Sonoma Santa Rosa Comment
  CAS-BOT-BC269190  Lolium temulentum 1880-7-28 s.n. Sonoma Petaluma Comment
  SEINET12121666  Lomatium californicum W. Knight, Knight, I.; Edwards, S. 1986-1 5294 Sonoma on Geysers Road between Geysers Resort site & CLoverdale 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
  SEINET12121510  Lomatium repostum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -089 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  JEPS89885  Lomatium utriculatum Dean William Taylor 1973-2-19 2063 Sonoma along Bohemian Rd. near Camp Meeker 152 Comment
  UC1714578  Lomatium utriculatum J. Burtt Davy 1896-3-15 1668 Sonoma near Cazadero Comment
  CAS-BOT-BC240645  Lonicera hispidula Walter Knight; Irja Knight 1963-9-15 294 Sonoma Los Alamos Rd., Santa Rosa Comment
  CDA11137  Lonicera hispidula var. vacillans G. F. Hrusa, G. L. Stebbins, J. Major 1993-11-12 11548 Sonoma North Coast Biodiversity Arena; Fairfield-Osborne Reserve, 3 mi. E of Cotati. Comment
Read comments Jul 28 2008
  UCD137392  Lonicera involucrata P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  UC28550  Lonicera involucrata var. ledebourii Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC889578  Lonicera involucrata var. ledebourii Marcus E. Jones, A. M. 1882-7-17 2739 Sonoma Duncan's Mills Comment
  CAS-BOT-BC244002  Lonicera involucrata var. ledebourii A. A. Heller 1902-6-11 5690 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC241419  Lonicera japonica Peter Rubtzoff 1952-5-31 1130 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west Comment
  CAS-BOT-BC200972  Lotus Peter Rubtzoff 1983-8-28 9681 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  SEINET3523658 Image available Lotus americanus Lewis S. Rose 1938-9-11 38255 Sonoma Bloomfield 30 Comment
  UC604131  Lotus angustissimus Milo S. Baker 1938-8-15 9229 Sonoma just beyong Wrights Beach (Coast Highway) Comment
  OBI13230  Lotus angustissimus Robert F. Hoover 1964-9-8 9287 Sonoma KolmerGulch (near Fort Ross) Comment
  CDA31015  Lotus crassifolius D. G. Kelch, Troy McGregor 2010-8-22 10 .346 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  POM18969  Lotus formosissimus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 7471 Sonoma Near Windsor. Comment
  UC555528  Lotus formosissimus H. L. Mason 1928-4-8 4281 Sonoma Fort Ross Comment
  SEINET11071689 Image available Lotus formosissimus A. A. Heller 1902-4-18 5332 Sonoma near Windsor Comment
  UC192623  Lotus humistratus Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UC864836  Lotus micranthus Lewis S. Rose 1940-5-5 40265 Sonoma Sonoma Creek Canyon 304 Comment
  UC1784177  Lotus oblongifolius Milo S. Baker 1928-4-28 3008 b Sonoma Pitkin Marsh Comment
  UC864759  Lotus purshianus var. purshianus Lewis S. Rose 1938-9-11 38255 Sonoma Bloomfield 30 Comment
  UC424767  Lotus stipularis var. stipularis Milo S. Baker 1929-6-1 3573 a Sonoma near Vine Hill School House Comment
  UC750814  Lotus stipularis var. stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma w of Santa Rosa; Vine Hill Comment
  UC80761  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hoods Peak Comment
  SDSU4356  Lotus uliginosus D. F. Howe 1965-8-3 4102 Sonoma 8 miles east of Bodega Bay on #1. Comment
  SEINET3694616 Image available Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma North of Bodega Bay Comment
  CAS-BOT-BC290621  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD66029  Ludwigia hexapetala B. J. Grewell 2006-11-17 06- 96 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Blucher Creek confluence, CA-Dept Fish and Game's Laguna Wildlife Area, downstream of Todd Rd Bridge s. of Sebastopol. 22 Comment
  UCD66042  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 26 -LU Sonoma Lake Wilson, Sonoma County Riverfront Park sw of Windsor, Eastside Road. 16 Comment
  CAS-BOT-BC251071  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-2 1628 Sonoma Austin Creek Marsh. Comment
  RSA800209  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-12 1698 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC164642  Ludwigia peploides Peter Rubtzoff 1955-9-10 2134 Sonoma East Guernewood, near Guerneville along Russian River. Comment
  UC424853  Lupinus Milo S. Baker 1929-5-7 3452 b Sonoma near Sebastopol; near Sebastopol Comment
  SEINET10544021  Lupinus albicaulis subsp. shastensis David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20707 Sonoma 2 miles nw of forestville on hwy 116, douglas fir forest with some oaks Comment
  UC157780  Lupinus albifrons H. P. Chandler 1907-4-21 7530 Sonoma road from Glen Ellen to Oakville; rd fr Glen Ellen to Oakville Comment
  UCD106018  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western Base of Mt. Hood Comment
  LA205175  Lupinus arboreus J. A. Ewan; 1935-5-12 9231 Sonoma 1.5 mi. W of Bodega on Bodega Bay road Comment
  POM161188  Lupinus densiflorus var. palustris R. C. Bacigalupi s.n. Sonoma Bodega. Comment
  CDA36845  Lupinus formosus CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  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
  POM299299  Lupinus formosus var. formosus H. C. Cantelow 1936-5-13 s.n. Sonoma 1/2 mile north of El Serano. Comment
  SEINET11160113  Lupinus formosus var. robustus Unknown 1973-6-9 20712 Sonoma Sonoma County Comment
  OBI39569  Lupinus latifolius F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-16 84 -084 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.5 mi N on Cavedale Rd from jctn 152 Comment
  UCD151109  Lupinus latifolius James A. Neilson Jr. 1974-6-1 2764 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCR265092  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 17.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 260 Comment
  SEINET10490782  Lupinus latifolius subsp. latifolius Robert F. Thorne 1965-4-19 Thorne 34317 Sonoma Fls violet; on well-drained embankment in douglas-fir forest; harrison grade, 1/2 Mi. From green valley rd.; With calycanthus, pseudotsuga, umbellularia, etc 152 Comment
  SEINET10490799  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-6-5 Congdon s.n. Sonoma Petaluma. Morphology study voucher. Comment
  UC865303  Lupinus littoralis W. Bridge Cooke 1942-7-5 16355 Sonoma along State Route 1 near Jenner; near Jenner Comment
  UC865134  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15091 Sonoma w of Petaluma near Two Rocks; near Two Rocks Comment
  OBI56912  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1418 Sonoma Roadside, D St. (Petaluma-Reyes Rd) 1.4 mi S Petaluma Blvd in Petaluma Comment
  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
  CAS-BOT-BC320547  Lupinus polycarpus Peter Rubtzoff 1974-4-17 7377 Sonoma Upper Green Valley Marsh. Comment
  POM10847  Lupinus polycarpus M. Alice King 1897-04 128 Sonoma Near Healdsburg Comment
  UC201943  Lupinus rivularis Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  SEINET5500928 Image available Lupinus ruber Sally Walker 1983-6-13 Sonoma N. Bodega Highway on Joy Rd. Comment
  CAS-BOT-BC207258  Lupinus sericatus John Thomas Howell 1935-5-5 12610 Sonoma Near summit of Trinity P.O. Road, Mt. Hood Range Comment
  HSC14947  Lupinus succulentus R. Spellenberg, A. Sylvester, D. Sutherland 1966-3-26 1348 Sonoma 14 mi. W of Big Geysers (along Sulphur Creek) Comment
  RSA0036442  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  SBBG125951  Lupinus variicolor D. Huang 2006-5-30 06053006 Sonoma Bodega Marine Laboratory, coastal bluff near building 2 Comment
  UCSB50220  Lupinus variicolor Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  CAS-BOT-BC210068  Luzula Peter Rubtzoff 1951-9-3 741 Sonoma Guerneville, Vacation Beach, Russian River Comment
  UCD160116  Luzula James A. Neilson Jr. 1973-6-3 2973 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD142080  Luzula comosa G. F. Hrusa; R. Gross 1996-3-8 12658 Sonoma on lower SE facing slope on S side of Foote Creek. Foote Ranch at corner of Ida Clayton Road and Highway 128. 250 Comment
  POM170557  Luzula comosa A. A. Heller, H. E. Brown 1902-3-26 2793 Sonoma Santa Rosa Creek. Comment
  UCD142103  Luzula comosa Gerry North 1993-4 11 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
  CAS-BOT-BC436742  Luzula comosa var. comosa Peter Rubtzoff 1951-6-7 131 Sonoma Pitkin Marsh. near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC441391  Luzula subsessilis G. DeNevers 1981-5-9 1102 Sonoma Pepperwood Ranch: south of Redwood Canyon Comment
  CAS-BOT-BC441389  Luzula subsessilis John H. Thomas 1976-6-15 18315 Sonoma Southern end of the Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  CAS-BOT-BC293673  Lythrum Peter Rubtzoff 1971-6-30 6583 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC376266  Lythrum hyssopifolia Greg de Nevers No date on label 10779 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Garrison Canyon, in headwaters of canyon west of house 487 Comment
  UC19771  Lythrum hyssopifolia Willis L. Jepson Aug. 1892 Sonoma Knights Valley Comment
  CDA19068  Lythrum salicaria L. Correia 2001-7-16 PDR P 117378 Sonoma North Coast Ranges; N bank Russian River at Rio Nido and to east ~ 0.5 mi 0 Comment
  UCD165253  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC342608  Madia John H. Thomas 1969-9-21 15471 Sonoma Coastal bluffs to the south of the mouth of the Russian River 121 Comment
  CAS-BOT-BC344040  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC344041  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  JEPS77886  Madia elegans Edward Lee 1934-4-30 751 Sonoma 1 mi w 2 Rock junction Comment
  UC990647  Madia elegans James I McMurphy 1908-9-27 Sonoma 2 mi s of Fulton Comment
  JEPS82109  Madia exigua Rimo Bacigalupi and L. Heckard 1961-6-9 7736 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner Road) 249 Comment
  CAS-BOT-BC166723  Madia gracilis Peter Rubtzoff 1962-6-13 4894 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC166728  Madia gracilis Peter Rubtzoff 1964-6-24 5366 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC345202  Madia sativa Alice Eastwood 1921-5-8 10445 Sonoma Petaluma Comment
  CAS-BOT-BC345215  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma Near Kenwood Comment
  POM56169  Madia sativa A. A. Heller 1902-6-10 5683 Sonoma Santa Rosa Comment
  RSA790981  Madia sativa Peter Rubtzoff 1962-6-13 4894 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC345220  Madia sativa Luther Burbank; L. R. Abrams 1907-8-1 s.n. Sonoma Along roadside between Sebastopol and Santa Rosa Comment
  CAS-BOT-BC345221  Madia sativa L. R. Abrams; Luther Burbank 1907-8-1 s.n. Sonoma On roadside between Sebastopol and Santa Rosa Comment
  CAS-BOT-BC345263  Madia sativa Milo S. Baker 1932-8-27 6010 Sonoma M. S. Baker ranch, Adobe Canyon Comment
  RSA790982  Madia sativa Peter Rubtzoff 1962-10-23 5124 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC511492  Maianthemum stellatum Greg de Nevers 1981-6-27 1669 Sonoma On walk up through the Devil's Kitchen, Kellog Ranch, starting from the bottom of the hill in Franz Valley, along Franz Valley Road, Pepperwood Ranch Comment
  RSA177926  Maianthemum stellatum Robert F. Thorne 1965-4-20 34377 Sonoma Charles Newman s place up Los Alamos Rd, on Rincon Ridge 396 Comment
  JEPS87222  Malacothrix floccifera Jack and Betty Guggolz 1992-5-17 1304 Sonoma e of Geyserville (Anderson Trail on the w side of Black Mountain); Black Mountain 609 Comment
  UC479391  Malacothrix floccifera Marcus E. Jones, A. M. 1931-8-3 29094 Sonoma Cloverdale Comment
  CAS-BOT-BC348033  Mantisalca salmantica M. A. King 1897-8-1 s.n. Sonoma Healdsburg Comment
  UCD160870  Marah James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3280 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SBBG32440  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi NE of Graton 30 Comment
  SBBG53030  Marah fabacea M. R. Benedict 1978-4-18 Sonoma Skaggs Spring Rd, above Warm Springs dam site Comment
  HSC6011  Matricaria discoidea S. N. Wiemeyer 1962-4-20 26 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  SEINET10599364  Melica californica A. Arthur Heller 1902-4-23 Heller 5351 Sonoma Near Sonoma. Comment
  SEINET11678851  Melica frutescens Unknown 1936-1 13117 Sonoma near Hopland Comment
  UCD87312  Melica geyeri Virginia Bufford 1936-5-21 368 Sonoma Near Skaggs Springs. Comment
  UCD87322  Melica geyeri Beecher Crampton 1953-5-19 1299 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128 at Napa County line. Comment
  UCD87349  Melica geyeri R. Tofsrud 1941-4-1 281 Sonoma Parker Hill, Santa Rosa. Comment
  SEINET8719049 Image available Melica geyeri Leo Koch 1940-1 843 Sonoma in Bennett Valley, a mile north of two and one-half mile junction from Kenwood and Glen Ellen Comment
  CAS-BOT-BC281390  Melica harfordii John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54694 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC281391  Melica harfordii H. S. Yates 1936-5-16 5612 Sonoma 1 mile NW of Mountain View Comment
  POM204773  Melica harfordii W. C. Blasdale, Jos Burtt Davy 1899-7-22 6001 Sonoma Guerneville. Comment
  CAS-BOT-BC262565  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood Comment
  RSA184996  Melica torreyana L. S. Rose 1965-4-4 s.n. Sonoma 1 mile north of Sonoma. 61 Comment
  UC573649  Melica torreyana H. S. Yates 1937-5-30 6542 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  UCD89210  Melica torreyana L. Whitney 1935-4-14 s.n. Sonoma Near Occidental. Comment
  UC1084474  Melilotus albus G. Thomas Robbins 1937-6-18 243 Sonoma Santa Rosa Creek Santa Rosa (bed) Comment
  CAS-BOT-BC262806  Melilotus indicus Peter Rubtzoff 1956-9-14 2889 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC164086  Mentha Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  UCD148406  Mentha canadensis Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC164665  Mentha spicata Peter Rubtzoff 1952-6-15 1259 Sonoma Forestville Marsh. Comment
  RSA784548  Mentha spicata Peter Rubtzoff 1960-9-14 4557 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  JEPS87221  Mentzelia dispersa Jack and Betty Guggolz 1992-6-13 1314 Sonoma e Geyserville; Black Mountain, Anderson Trail; on the west side of Black Mountain NW 1/4 of NW1/4 615 Comment
  CAS-BOT-BC428954  Micranthes californica G. DeNevers 1981-3-14 547 Sonoma Pepperwood Ranch. Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. In the 1st E fork of the N fork Comment
  JEPS58999  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 mi se of Sonoma Comment
  CAS-BOT-BC348626  Micropus californicus var. californicus David D. Keck 1933-5-28 2325 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  CAS-BOT-BC348633  Micropus californicus var. californicus Ira L. Wiggins 1949-4-30 12069 Sonoma 4 miles west of Calistoga, just west of county line Comment
  RSA784491  Microseris Peter Rubtzoff 1974-5-26 7470 Sonoma On Bennett Valley Road, 4.25 mi W of Glen Ellen. Comment
  CAS-BOT-BC322707  Microseris laciniata John Thomas Howell 1937-6-6 13013 Sonoma Sebastapol Comment
  CAS-BOT-BC322709  Microseris laciniata John Thomas Howell 1947-6-5 23242 Sonoma Near Wright School 4 miles west of Santa Rosa Comment
  CAS-BOT-BC322753  Microseris paludosa Alice Eastwood; John Thomas Howell 1936-5-19 2511 Sonoma 2 miles north of Windsor Comment
  CAS-BOT-BC311866  Mimulus Peter Rubtzoff 1969-6-14 6073 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC312698  Mimulus Peter Rubtzoff 1964-7-29 5442 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC320555  Mimulus Peter Rubtzoff 1964-5-20 5321 Sonoma Bodega Bay Marsh. Comment
  RSA0025401  Mimulus Peter Rubtzoff 1954-6-20 1513 Sonoma Guerneville Marsh. Comment
  RSA0025403  Mimulus Peter Rubtzoff 1969-5-24 6060 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  SEINET7067135  Mimulus angustatus A. G. Vestal 1947-4-29 s.n. Sonoma About 1.4 miles west of Green Valley. Coordinate datum: NAD27. UTM Zone 10, 648599mE, 4507677mN. Comment
  UCD122173  Mimulus aurantiacus Collector Unknown Date Unknown s.n. Sonoma Sonoma County. Exact location unknown. Comment
  UCD122218  Mimulus aurantiacus Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 66 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  RSA420300  Mimulus aurantiacus var. aurantiacus Ynez Whilton Winblad 1934-6-10 s.n. Sonoma Nob Hill at Monte Rio on the Russian River Comment
  UCD151206  Mimulus cardinalis James A. Neilson Jr. 1974-7-10 2821 Sonoma Mayacmas Mountains, 1/2 mile south of Geyser Rock, along road to PG and E unit 9 and 10, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  UCD39137  Mimulus cardinalis Beecher Crampton 1964-8-18 7144 Sonoma N.E. 'The Geysers', Big Sulphur Creek. Comment
  RSA535759  Mimulus douglasii David M. Thompson 1989-3-18 990 Sonoma Lake Sonoma Recreation Area. Liberty Glen Campground entrance booth. 2.8 mi W of bridge over Lake Sonoma along Rockpile Road, then 0.4 mi S along paved campground road to booth. 0.1-0.2 mi NE of parking area for free booth. 183 Comment
  RSA0040387  Mimulus guttatus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  UCR252546  Mimulus guttatus Peter Rubtzoff 1972-5-25 6764 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
Read comments Nov 23 2015
  POM5061  Mimulus guttatus A. A. Heller, H. E. Brown 1902-4-23 5349 Sonoma Near Sonoma. Comment
  RSA0022511  Mimulus guttatus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  RSA80596  Mimulus guttatus E. K. Balls, Lee W. Lenz 1952-5-8 17109 Sonoma 3.3 mi. n.e. from Mark West Springs on rd. to Kellogg. 91 Comment
  UCD122796  Mimulus moschatus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 96 A Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM43556  Mimulus pilosus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UCD39138  Mimulus pilosus Beecher Crampton 1964-8-18 7145 Sonoma N.E. Sonoma County: 'The Geysers', Big Sulphur Creek. Comment
  UC1063065  Mimulus tricolor E. Armstrong 1934-4-15 1210 Sonoma near Occidental; Sebastapol Quadrangle Comment
  JEPS128193  Minuartia douglasii Roger Raiche 2000-5-4 081 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD160304  Minuartia douglasii James A. Neilson Jr. 1975-5-22 3221 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 mi. west of Whispering Pines, State Highway 175. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  UC679520  Mitella caulescens Milo S. Baker 1942-5-23 10199 Sonoma Brookside Garden Comment
  SEINET12326118  Monardella neglecta W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 229 Comment
  SEINET9324387  Monardella sheltonii Unknown 1996-8-9 Sonoma Sonoma Co., CA (elev 800m) 800 Comment
  CAS-BOT-BC314176  Monardella villosa C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  UC76203  Monardella villosa subsp. globosa Miss M. Alice King June 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC314182  Monardella villosa subsp. villosa Milo S. Baker 1926-4-10 216 b Sonoma Mt. St. Helena. Trail to Crater 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-BC445004  Montia fontana Peter Rubtzoff 1966-4-30 5690 Sonoma North side of Hessel Road just west of Hwy. 116. Comment
  JEPS42033  Montia fontana Rimo Bacigalupi with Robert Ornduff 1966-3-18 9141 Sonoma 1 mi s of Kenwood (just s of Los Guilicos Hot Springs, along the Warm Springs Road) 106 Comment
  CAS-BOT-BC444983  Montia fontana R. Bacigalupi 1948-3-6 2856 A Sonoma At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs, NW Sonoma County Comment
  CAS-BOT-BC445060  Montia linearis Alice Eastwood 1921-4-24 10348 Sonoma Santa Rosa Comment
  UCD110293  Morella californica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-29 091 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA517354  Myosotis discolor L. T. Dempster 1958-5-24 1104 Sonoma Pitkin Marsh (on Pitkin Ranch). Comment
  UC903210  Myosotis discolor Ethel Crum 1940-5-26 2114 Sonoma Pitkin Marsh near Vine Hill; North Coast Ranges, Pitkin Marsh Comment
  CAS-BOT-BC257696  Myosurus Peter Rubtzoff 1974-5-11 7402 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC259172  Myosurus Peter Rubtzoff 1958-4-26 3595 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC101797  Myrica californica Lewis S. Rose 1962-4-11 62017 Sonoma Laguna de Santa Rosa 1/2 mi. e. of Cunningham 15 Comment
  CAS-BOT-BC101799  Myrica californica John Thomas Howell; J. W. Stacey 1936-7-26 12687 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  RSA126814  Nassella pulchra H. S. Yates 1937-5-30 6549 Sonoma Four miles northwest of Graton. 915 Comment
  UC727739  Nassella pulchra Milo S. Baker 1946-4-14 11311 Sonoma ridge near Howar Rodger's Ranch (ne of Santa Rosa); Rincon Ridge Comment
  CAS-BOT-BC260285  Nassella pulchra Milo S. Baker 1945-4-1 10892 Sonoma Above house at Maplewood ca 2 miles N of Kenwood Comment
  CAS-BOT-BC60518  Nasturtium officinale Peter Rubtzoff 1955-8-13 2046 Sonoma Duncans Mills Marsh. In upper portion of marsh. Comment
  RSA94328  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  JEPS70255  Navarretia cotulifolia W. L. Jepson 1921-6-3 9307 Sonoma s of Santa Rosa (near Wilfred station); Cotati Valley 28 Comment
  UCR30590  Navarretia heterodoxa John C. Roos 1950-7-22 4877 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  SD7675  Navarretia heterodoxa M. Bioletti 1891-1 Sonoma Hords Peak Comment
  UC101995  Navarretia intertexta Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  RSA135454  Navarretia intertexta Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg. Comment
  POM279099  Navarretia jepsonii Lyman Benson 1930-6-18 s.n. Sonoma South of Santa Rosa. 61 Comment
  UC1719858  Navarretia jepsonii David Fruchter 1978-9-17 97 Sonoma Diamond D. Comment
  UCR224692  Navarretia leucocephala subsp. bakeri Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  UC72062  Navarretia pubescens Miss M. Alice King Jun 1897 Sonoma near Healdsburg Comment
  UCD84276  Navarretia pubescens Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  SD56753  Navarretia pubescens Darley F. Howe 1963-7-2 3574 Sonoma 3.5 mi. so. of Guerneville on #12 29 Comment
  UC1299600  Navarretia squarrosa Freed W. Hoffman 1946-8-20 866 Sonoma western slope of Napa Range, Trinity Road, at quarry North Coast Ranges, Napa Range Comment
  UCD48682  Navarretia squarrosa Frederica Bowcutt 1984-6-23 425 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. W of Hwy 1. N of Gerstle Cove growing along roads. On Plantation 7.5' Quad. Coastal terrace. 30 Comment
  POM225971  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 miles N of Bodega. Comment
  SD53367  Navarretia squarrosa Darley F. Howe 1962-7-28 3360 Sonoma Mark West Creek, 3.4 miles east of #101 Comment
  UC856900  Navarretia viscidula John Thomas Howell 1937-7-4 13082 Sonoma 5 mi n Sebastopol Comment
  UCSC000579  Nemophila heterophylla Daisy Swett 1901-3-18 s.n. Sonoma Windsor Comment
  POM65264  Nemophila heterophylla A. A. Heller 1903-4-24 6619 Sonoma Woods near Cazadero. Comment
  CHSC23124  Nemophila menziesii Robert A. Schlising 1962-3-31 2110 Sonoma In pastured field. Comment
  UC880916  Nemophila menziesii Alice Eastwood 1915-5-1 6843 Sonoma Mt. St. Helena Comment
  UC72013  Nemophila menziesii var. atomaria Milo S. Baker 1898-3-26 738 Sonoma near Melita; near Melita Comment
  SD88406  Nemophila menziesii var. atomaria Darley F. Howe 1972-5-1 4815 Sonoma Duncan Point. Comment
  UC67151  Nemophila menziesii var. atomaria Milo S. Baker 1899-3 Sonoma near Kenwood (Dr. Turk Canyon); Dr Turk Canyon, near Kenwood Comment
  RSA51317  Nemophila menziesii var. menziesii Peter H. Raven 1950-4-6 1571 Sonoma Cotati to Santa Rosa. 30 Comment
  CAS-BOT-BC164404  Nicotiana Peter Rubtzoff 1965-8-29 5631 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  UC111228  Nicotiana acuminata var. multiflora W. A. Setchell 1906-9-3 Sonoma near Monte Rio Comment
  SD133974  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152 Comment
  SD99414  Notholithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma 3 miles west of Guerneville, on state highway 12 14 Comment
  CAS-BOT-BC400122  Nuphar polysepala Peter Rubtzoff 1951-7-8 416 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC140452  Oemleria cerasiformis A. A. Heller; H. E. Brown 1902-3-12 5043 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  RSA0057960  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  POM232044  Oenanthe sarmentosa Roxana S. Ferris 1937-8-18 9376 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC502770  Orobanche bulbosa Alice Eastwood 1915-6-6 4704 Sonoma Mt. St. Helena Comment
  SEINET6171222 Image available Orobanche bulbosa Sally Walker 1984-7-22 Sonoma Schoolhouse beach Comment
  UCD35515  Orobanche californica subsp. californica B. Crampton 1957-7-11 4335 Sonoma 1.3 miles north of Salmon Creek, Sonoma Coast State Park. Comment
  SD56755  Orobanche fasciculata Darley F. Howe 1963-7-2 Sonoma 4.2 miles north of junction with #12 on #1. 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
  POM183040  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-4 5219 Sonoma Hills near Santa Rosa. Comment
  SEINET12319543  Orthocarpus erianthus Unknown 1980-1 17 Sonoma no further locality 61 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
  POM182702  Orthocarpus faucibarbatus var. albidus D. D. Keck 1931-4-1 995 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  RSA34065  Orthocarpus faucibarbatus var. albidus A. A. Heller 1930-5-14 15083 Sonoma Back of bluff north of Bodega Bay. 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
  SEINET12121674  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -169 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  JEPS76915  Oxalis oregana Robert M. Lloyd 1963-2-24 2047 Sonoma 1/2 mi n Occidental (abandoned picnic ground, on rd to Camp Meeks) 45 Comment
  CAS-BOT-BC227645  Panicum Peter Rubtzoff 1978-9-10 9263 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on S. Fitch Mountain Road. Comment
  CAS-BOT-BC227659  Panicum Peter Rubtzoff; Nancy Harrison 1977-8-26 9120 Sonoma On grounds of Apple Time apple products cannery on the east side of former Perry Marsh, near Molino. Comment
  POM188279  Panicum acuminatum var. acuminatum Marcus E. Jones 1931-7-5 29210 Sonoma The Geysers. Comment
  UCD89131  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 Sonoma The Geysers. Comment
  UCR255726  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  CAS-BOT-BC253794  Panicum hillmanii Peter Rubtzoff 1971-8-23 6659 Sonoma Meacham Road 0.35 mile S of Stony Point Road Comment
  CAS-BOT-BC253860  Panicum miliaceum Mary P. Wells 1984-7-7 361 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC253861  Panicum miliaceum P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar ranch Comment
  UCD88623  Parapholis incurva Beecher Crampton 1957-7-11 4342 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. 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
  JEPS112829  Parentucellia viscosa Dean W. Taylor 1994-5-4 14218 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UC157913  Parietaria pensylvanica Milo S. Baker 1898-6-12 679 Sonoma Geyser Canyon Comment
  UCD88734  Paspalum dilatatum Mary M. Hektner 1974-7-10 145 B Sonoma along State Highway 1, just off Leeward Road, Unit 28 Owners' Map, Sea Ranch. Comment
  CAS-BOT-BC259693  Paspalum dilatatum John Thomas Howell; Walter & Irja Knight 1981-6-4 6244 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC265697  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC265699  Paspalum distichum G. DeNevers; S. Castagnoli 1981-8-2 1786 A Sonoma On sand bar in Mark West Creek at confluence with Leslie Creek, Pepperwood Ranch Comment
  CDA12037  Pedicularis densiflora G. F. Hrusa 1990-1-2 7352 Sonoma North Coast Biodiversity Arena; Hogback Mtn. between headwaters of Nathanson and Agua Caliente Creeks, approximately 4 km. NE of Sonoma. Comment
  HSC24667  Pedicularis densiflora F. Demostene 1966-4-1 5 Sonoma 2 mi. E of Healdsburg Comment
  NY601731  Penstemon heterophyllus var. heterophyllus J. L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640.1 Comment
  UCD124236  Penstemon heterophyllus var. heterophyllus Frederica Bowcutt; Joy Keeney, Adam Green 1994-5-21 1809 Sonoma About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood and 18 air miles northwest of Napa. Along Meadow trail appx. 3/4 mi from trailhead. 396 Comment
  UC146888  Penstemon newberryi var. sonomensis Katharine Brandegee Jun 1910 Sonoma Mt. St. Helena Comment
  SEINET12329975  Pentagramma triangularis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -203 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 800 Comment
  UC1193125  Pentagramma triangularis subsp. triangularis P. Zinke 1950-4-25 114 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  RSA224244  Perideridia kelloggii Peter Rubtzoff 1969-7-25 6120 Sonoma 6.5 miles NE of Penngrove, on Lichan Road 427 Comment
  CAS-BOT-BC413665  Persicaria amphibia Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC413637  Persicaria amphibia Peter Rubtzoff 1971-6-25 6554 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413639  Persicaria amphibia Peter Rubtzoff 1971-6-25 6556 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413642  Persicaria amphibia Peter Rubtzoff 1971-9-3 6696 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC258010  Persicaria hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD99060  Persicaria hydropiper Frederica Bowcutt 1997-7-18 2174 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
  CAS-BOT-BC258011  Persicaria hydropiper Peter Rubtzoff 1973-8-15 7210 Sonoma Russian River at Squaw Rock, 6 miles south of Hopland. Comment
  CAS-BOT-BC413740  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC413741  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC418909  Persicaria hydropiperoides Peter Rubtzoff 1958-8-31 3954 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418907  Persicaria hydropiperoides Peter Rubtzoff 1958-7-20 3789 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  CAS-BOT-BC419107  Persicaria lapathifolia John Thomas Howell 1946-8-17 22855 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419109  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419423  Persicaria punctata Peter Rubtzoff 1966-9-25 5824 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419428  Persicaria punctata Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  UC75812  Petasites frigidus var. palmatus Milo S. Baker 1898-4-5 7 Sonoma near Stewarts Point (Coast Road) Comment
  JEPS18122  Petrorhagia nanteuilii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek (at base of The Butcher Knife); along secondary road following Big Austin Creek 182 Comment
  UCD98395  Petrorhagia nanteuilii Rimo Bacigalupi; G. T. Robbins, F. Hoffman 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek, at base of 'The Butcher Knife' (R12W). 182 Comment
  UCD161297  Petrorhagia prolifera James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3718 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  SD88415  Phacelia californica Darley F. Howe 1972-4-30 Sonoma South of Bodega Bay. Comment
  UC1017786  Phacelia californica C. L. Hitchcock 1952-6-4 19583 Sonoma 1 mi e Duncan's Mill (on road to Sebastopol) Comment
  RSA0045532  Phacelia californica Keith E. Hoffmaster 1946-3-9 s.n. Sonoma Near Bodega. [Label says Marin Co. but actually in Sonoma Co.] Comment
  JEPS128247  Phacelia corymbosa Roger Raiche 2000-5-28 116 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC107372  Phacelia distans Alice Eastwood 1900-7-4 Sonoma type locality Bodega Point Comment
  UC126049  Phacelia distans Katharine Brandegee July 1905 Sonoma Bodega Head Comment
  SBBG32318  Phacelia distans L. S. Rose 1964-4-4 65021 Sonoma 1 mi N of Sonoma 60 Comment
  SD130514  Phacelia distans F. Almeda, G. DeNevers 1981-4-28 4902 Sonoma 0.5 mile from main gate to Pepperwood Rancdh Natural Preserve, just off Franz Valley Road. Comment
  SEINET5906166 Image available Phacelia distans L. S. Rose 1965-1 65021 Sonoma 1 mi N of Sonoma Comment
  JEPS128345  Phacelia imbricata Roger Raiche 2000-6-6 133 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD120562  Phacelia malvifolia Frederica Bowcutt 1984-6-23 423 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. N of Gerstle Cove ca. 1/8 mile. W of Hwy 1. Salt Point State Park. 15 Comment
  UC107355  Phacelia nemoralis subsp. nemoralis F. McLean 1892-7-4 Sonoma Sonoma Comment
  CAS-BOT-BC258847  Phalaris angusta Peter Rubtzoff 1962-6-19 4921 Sonoma Sonoma County Marshes. Occidental Marsh Comment
  UC1011000  Phalaris angusta Mary Focht 1935-5-24 64 Sonoma Comment
  UCR244624  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC258947  Phalaris aquatica G. DeNevers 1981-5-30 1404 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill Comment
  CAS-BOT-BC258955  Phalaris aquatica Mary P. Wells 1984-5-31 323 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  UCD105400  Phalaris aquatica Frederica Bowcutt 1994-6-25 1927 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. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 609 Comment
  CAS-BOT-BC258949  Phalaris aquatica Walter Knight; Irja Knight 1963-9-11 281 Sonoma Live Oak Road, Liberty Dist. Petaluma Comment
  UCD88766  Phalaris californica R. Tofsrud 1951-5-1 s.n. Sonoma Summit of road between Kenwood and Oakville. Comment
  UCD88869  Phalaris lemmonii Collector Unknown 1941-5-1 340 Sonoma Near Wright School. Comment
  UC933815  Phalaris minor Leo Koch 1940-4-24 852 Sonoma at Cuttings Wharf near Petaluma; near Petaluma Comment
  UC50459  Phalaris paradoxa Mr. Leckenby June 1896 Sonoma Petaluma Comment
  CAS-BOT-BC383036  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  UCD89316  Phleum alpinum P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  SEINET4132205 Image available Phoradendron bolleanum subsp. densum R. S. Peterson 1964-5-6 64 -28 Sonoma Northeast of Occidental 213 Comment
  UCD102210  Phoradendron leucarpum subsp. tomentosum Frederica Bowcutt 1997-7-20 2203 Sonoma Sugarloaf Ridge State Park. About 50 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  CAS-BOT-BC140630  Physocarpus capitatus Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  UC1128130  Physocarpus capitatus E. Armstrong 1934-3-26 921 Sonoma Camp Meeker; Sebastopol Quadrangle 91 Comment
  UC466693  Physocarpus capitatus W. P. Taylor 1913-6-23 Sonoma 7 W.[?] Cazadero (along creek at Niestrth's[?]) 304 Comment
  SEINET11912602  Physocarpus capitatus K. Wagnon, Vale, J. 1988-1 s.n. Sonoma Hacienda, 1/4mi down Russian River from bridge on shoreline Comment
  UC1193198  Pickeringia montana R. H. Neuns 1950-5-17 110 Sonoma 4 mi e of The Geysers; Quad. 60B4 975 Comment
  NY49679  Pinus contorta var. contorta S. Flowers 1988-2-5 s.n. Sonoma Sonoma Road marker, Highway 1, 52.32 mile at Pebble Beach Access trail, across Sea Ranch. Tree located 20 ft. west of Highway 1 and 12 ft. north off parking entrance Comment
  SEINET4467740 Image available Pinus muricata var. borealis D. I. Axelrod 1983-1 E- 3 Sonoma Comment
  JEPS128339  Piperia Roger Raiche 2010-7-17 038 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD138999  Piperia elegans K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  JEPS128302  Piperia transversa Roger Raiche 2010-7-11 035 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC176382  Plagiobothrys Peter Rubtzoff 1969-5-11 6030 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC154144  Plagiobothrys Peter Rubtzoff 1973-7-24 7198 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC157652  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  UCR280136  Plagiobothrys bracteatus Peter Rubtzoff 1971-5-8 6443 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  JEPS60957  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2141 b Sonoma summit of Bennett Valley road Comment
  RSA620969  Plagiobothrys bracteatus Peter Rubtzoff 1962-6-8 4889 Sonoma Bennett Mountain Lake Comment
  RSA639272  Plagiobothrys bracteatus R. F. Thorne 1965-4-19 34276 Sonoma Titus Ranch, Valley Ford. 18 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
  UC577956  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma two mi s Mark West; Calistoga Quad. 152 Comment
  UC79580  Plagiobothrys reticulatus var. rossianorum Katharine Brandegee June 1905 Sonoma Bodega Bay 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
  RSA783738  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  UCD158837  Plantago coronopus Michael A. Vincent; Ethan H. Freid 1998-4-8 8175 Sonoma Sonoma County, Bodega Bay. University of Californai (Davis) Bodega Bay Marine Reserve, off Bodega Rd. Bodega Head. Comment
  JEPS128243  Plantago erecta Roger Raiche 2000-5-4 070 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SDSU1027  Plantago erecta D. F. Howe 1972-5-3 4819 Sonoma 4 miles north of Fort Ross. Comment
  UCD124173  Plantago erecta Frederica Bowcutt 1996-3-24 2086 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 Trail. Aspect: E facing, 90 degree, slope: 20%. 594 Comment
  SD39913  Plantago lanceolata Edith A. Purer 1932-7-21 4050 Sonoma Bodega Bay Comment
  CAS-BOT-BC92121  Platystemon californicus A. A. Heller; H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  SD130425  Platystemon californicus F. Almeda, G. DeNevers 1981-3-30 4882 Sonoma Vicinity of the Bechtel Cabin. Comment
  CAS-BOT-BC173803  Pleuropogon Peter Rubtzoff 1966-4-30 5697 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC1751059  Pleuropogon californicus Annetta M. Carter 1934-4-29 510 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  UCD21132  Pleuropogon californicus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 307 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  CAS-BOT-BC260924  Pleuropogon californicus Barbara Keller 1990-4-30 2012 Sonoma Coleman Valley Road 6 miles west of Occidental Comment
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. Comment
  RSA127248  Pleuropogon californicus var. californicus J. T. Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley. Comment
  UCD90133  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2418 Sonoma 3 miles northwest of Cotati, Llano Road. Comment
  UCD90234  Pleuropogon californicus var. davyi R. E. Preston 1996-4-22 930 Sonoma ca. 4.3 miles E.S.E. of Hopland. Comment
  CHSC66975  Pleuropogon davyi James D. Jokerst; Lorie May 1993-5-13 3979 Sonoma Sonoma Air Center. Comment
  UC1446217  Pleuropogon hooverianus Paul But with Grace Law 1977-5-3 P 6 Sonoma 3 mi ne of Penngrove (along Pressley Road) Comment
  UCD92203  Poa Collector Unknown 1941-4-1 379 Sonoma near Wright School. Comment
  UCR275259  Poa Peter Rubtzoff 1976-5-30 8560 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  CAS-BOT-BC422348  Poa Peter Rubtzoff 1976-5-30 8572 Sonoma Kenwood Marsh. Comment
  UCD55143  Poa annua Ellen Dean; Tammie Beyerl 2006-4-28 3025 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  SD88567  Poa douglasii Darley F. Howe 1972-5-3 Sonoma Ocean bluff 16.4 miles north of Fort Ross Comment
  CAS-BOT-BC256035  Poa pratensis Peter Rubtzoff 1958-5-10 3641 Sonoma Laguna de Santa Rosa east of Cunningmham near Llamo Road Comment
  UC1132792  Poa secunda subsp. secunda H. S. Yates 1934-4-22 3852 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  CAS-BOT-BC243202  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma Junction of J Street extension and San Antonio Road, 2 miles SW of Petaluma Comment
  CAS-BOT-BC244195  Poa trivialis Peter Rubtzoff 1959-6-13 4121 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC244265  Poa unilateralis John Thomas Howell 1931-4-18 6429 Sonoma 8 miles N of Bay Comment
  UC952859  Polycarpon tetraphyllum Milo S. Baker 1957-4-8 12320 Sonoma Kenwood; Mrs. Ada Hunkins' yard Comment
  UCD109701  Polygala californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13553 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road. Comment
  RSA135334  Polygala californica Volney Rattan 1883-5-9 s.n. Sonoma Glen Ellen Comment
  SEINET12205240  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -162 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC157669  Polygonaceae Peter Rubtzoff 1964-5-20 5319 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC540806  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7847 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC183622  Polygonum arenastrum Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh Comment
  RSA94327  Polygonum hydropiperoides Peter Rubtzoff 1951-7-1 349 Sonoma Margin of Creek at Hwy 12, SE of Forestville Comment
  UC850174  Polygonum lapathifolium Lewis S. Rose 1938-9-11 38254 Sonoma Bloomfield 30 Comment
  POM225313  Polygonum punctatum J. T. Howell 1932-9-18 10770 Sonoma Kenwood Marsh near Kenwood Comment
  UC1446025  Polypodium Ed Lee 1978-12-2 4776 Sonoma e Santa Rosa (Annadel State Park, Spring Creek Trail ca. 50 m s of Canyon Trail jct.); Annadel State Park Comment
  UC42883  Polypodium F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  UCD136868  Polypodium glycyrrhiza Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 57 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  UCD136877  Polypodium glycyrrhiza Frederica Bowcutt 1994-6-12 1875 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Canyon Trial along edge of Sonoma Creek just E of confluence wth Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  CAS-BOT-BC328122  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC331492  Polypogon Peter Rubtzoff; Nancy Harrison 1974-9-7 7879 Sonoma Hinebaugh Creek in Rohnert Park, in creek bed east of Commerce Blvd. crossing. Comment
  CAS-BOT-BC361407  Polypogon Greg de Nevers 1997-5-23 11006 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. In Three Hill vernal pool 457 Comment
  UCR248722  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  CAS-BOT-BC233188  Polypogon interruptus Mary P. Wells 1982-8-23 s.n. Sonoma Stump Beach, Salt Point State Park Comment
  SEINET8719333 Image available Polypogon lutosus Leo Koch 1940-1 1012 Sonoma Behind Fountaingrove Vineyard three miles north of Santa Rosa along Highway 101 Comment
  CAS-BOT-BC233227  Polypogon maritimus Peter Rubtzoff 1962-9-16 5084 Sonoma Russian River bottom, Vacation Beach, 2 miles below Guerneville Comment
  CAS-BOT-BC237406  Polypogon monspeliensis Peter Rubtzoff 1955-7-9 1935 Sonoma Forestville Marsh Comment
  CAS-BOT-BC237410  Polypogon monspeliensis Peter Rubtzoff 1958-8-9 3854 Sonoma Laguna de Santa Rosa N of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC237411  Polypogon monspeliensis Peter Rubtzoff 1959-8-30 4240 Sonoma Drake's Beach, near Guerneville, Russian River Comment
  POM206736  Polypogon monspeliensis A. A. Heller 1902-6-7 5652 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD91325  Polypogon monspeliensis Hursh 1919-5-12 X 3252 Sonoma Santa Rosa. Comment
  CAS-BOT-BC237615  Polypogon viridis Peter Rubtzoff 1959-6-6 4102 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC368071  Polystichum californicum Greg de Nevers 1998-5-31 11269 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek. 400 Comment
  UC1400815  Polystichum californicum Michener and Bioletti June, 1893 Sonoma Adobe Canyon Comment
  CAS-BOT-BC72164  Polystichum californicum G. DeNevers 1981-6-27 1671 Sonoma On a walk up through the Devil's Kitchen, Kellogg Ranch; starting from the bottom of the hill in Franz Valley, Comment
  HSC76927  Polystichum dudleyi R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove Comment
  CAS-BOT-BC72481  Polystichum munitum J. W. Congdon 1892-5-31 s.n. Sonoma Cazadero Comment
  UCD167969  Polystichum munitum James A. Neilson Jr. 1981-3-13 3989 Sonoma Mayacamas Mountains, Wildhorse Ck. Northeast Sonoma County. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCR128486  Polystichum munitum John Taylor, Connie Taylor 1971-5-29 8031 Sonoma 1 mile north of Guerneville at Kings Canyon Camp, in coastal hills 20 Comment
  CAS-BOT-BC102666  Populus fremontii Peter Rubtzoff 1959-9-19 4271 Sonoma Vacation Beach, near (2 mi. below) Guerneville, bank of Russian River Comment
  CAS-BOT-BC376364  Potamogeton Greg de Nevers 1992-6-8 10159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA800121  Potamogeton crispus Peter Rubtzoff 1969-8-14 6126 Sonoma Salmon Creek, 5 miles west of Bodega (town) on Salmon Creek Road (1.1 miles west of Finlay Creek Crossing). Comment
  UCD161294  Potamogeton natans James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3692 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC272848  Potamogeton nodosus Peter Rubtzoff 1974-6-22 7619 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC453900  Potamogeton nodosus D. E. Breedlove 1980-6-27 44737 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC453901  Potamogeton nodosus M. S. Baker 1900-8-1 s.n. Sonoma Mark West Creek near Saguna. Comment
  CAS-BOT-BC454078  Potamogeton pusillus subsp. pusillus M. S. Baker 1899-6-1 s.n. Sonoma Near Sebastopol Comment
  CAS-BOT-BC516397  Prosartes hookeri Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC516399  Prosartes hookeri G. DeNevers 1981-4-11 693 Sonoma Road below Lower Orchard, Pepperwood Ranch Comment
  UCD36685  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  RSA120750  Prunella vulgaris var. lanceolata S. S. Tillett 1956-6-20 568 Sonoma on hillside overlooking Drake Memorial, Drakes Bay, Point Reyes Peninsula Comment
  CAS-BOT-BC251229  Prunus Peter Rubtzoff 1960-4-30 4309 Sonoma Laguna de Santa Rosa, east of Sebastopol, near Santa Rosa Road. Comment
  CAS-BOT-BC154682  Prunus subcordata Stewart Wade 1927-4-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC159453  Prunus virginiana var. demissa G. DeNevers 1981-5-7 1012 Sonoma Between the two driveways at Leslie Road and Mark West Springs Road, Pepperwood Ranch Comment
  CDA37440  Pseudognaphalium beneolens D. G. Kelch, Troy McGregor 2010-8-22 10 .336 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC356498  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-10-3 379 Sonoma Off ramp freeway US 101 & Railroad Ave., Cotati Comment
  CAS-BOT-BC357410  Pseudognaphalium microcephalum Robert M. King 1980-7-8 8415 Sonoma 5 miles generally southwest of Santa Rosa Comment
  CAS-BOT-BC357411  Pseudognaphalium microcephalum Walter Knight; Irja Knight 1963-9-15 300 Sonoma Los Alamos Rd, Santa Rosa Comment
  UCD55065  Pseudotsuga menziesii var. menziesii Ellen Dean; California Department of Forestry Personnel 2006-4-26 3004 Sonoma Top of Mt. St. Helena. 1319 Comment
  UCD135111  Pseudotsuga menziesii var. menziesii J. Adams; J. Weick 1993-5-8 260 Sonoma Sugarloaf State Park, about 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. 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-BC176174  Psilocarphus Peter Rubtzoff 1970-5-30 6249 Sonoma 5 miles north of Sears Point. Comment
  RSA784565  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road Comment
  UCD167966  Psilocarphus James Neilson 1977-6-12 3921 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  CAS-BOT-BC164677  Pteridium Peter Rubtzoff 1971-9-3 6699 Sonoma Southeastern border of Spring Creek Reservoir area. Comment
  CAS-BOT-BC72690  Pteridium aquilinum Peter Rubtzoff 1951-8-18 613 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  UC708747  Pteryxia terebinthina var. californica G. L. Stebbins 1946-5-19 3646 Sonoma 3 miles northeast of Occidental. Comment
  SEINET12121513  Pteryxia terebinthina var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -164 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  UCD93362  Puccinellia nutkaensis Beecher Crampton 1957-7-11 4314 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  JEPS58840  Pyrola aphylla M. E. and E. Van E. Ferguson Jun 8-10 1919 Sonoma Near Gurneville Comment
  UCD167310  Pyrola aphylla James Neilson 1977-6-12 3917 Sonoma Mayacmas Mountains, 1/4 mi south of well site #1. On ridge between Coon Creek and McMicking Ranch. (McMicking Ranch is also known as Santa Angelina Ranch. Exact location unknown. Coordinates estimated by label maker.) Comment
  UC424768  Quercus X morehus Milo S. Baker Jun 1929 3570 b Sonoma near Vine Hill School House Comment
  UC748500  Quercus X morehus Milo S. Baker 1946-8-17 11568 Sonoma about 1.5 mi w (air line) Cunningham (near residence of Mr. Voit) Comment
  CAS-BOT-BC61628  Quercus agrifolia G. DeNevers 1981-4-4 663 Sonoma Along ridge N of Garrison Canyon. Pepperwood Ranch Comment
  UC1193303  Quercus agrifolia P. Zinke 107 Sonoma near Preston Lake (Quad 61A4) 243 Comment
  UC1196504  Quercus agrifolia Joseph P. Tracy 1930-11-30 9272 Sonoma below Knights Valley; North Coast Ranges 152 Comment
  UC405367  Quercus agrifolia W. P. Taylor 1913-6-11 Sonoma Freestone Comment
  RSA94624  Quercus agrifolia Peter Rubtzoff 1951-8-19 639 Sonoma near Forestville. Pitkin marsh Comment
  SEINET12031414  Quercus chrysolepis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -243 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC94152  Quercus durata D. E. Breedlove 1976-3-27 39445 Sonoma along Dry Creek Road west of Warm Springs Dam Comment
  SD113991  Quercus durata Darley F. Howe 1972-4-28 4813 Sonoma Mt Hood Range, Trinity Road 395 Comment
  SEINET12028623  Quercus durata W. Knight, Knight, I. 1981-1 3972 Sonoma 3.1 mi up Cavedale Rd from jct of State Rt #12 Comment
  SEINET12030393  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  UCD45936  Quercus durata var. durata Maunsell Van Rensselaer 1941-10-12 s.n. Sonoma Rincon Ridge, Sonoma County, California. 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
  CAS-BOT-BC105486  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles N of Sonoma 900 Comment
  SEINET5644376  Quercus kelloggii John M. Tucker 1952-9-20 2619 Sonoma Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse.; 0 Comment
  UC338622  Quercus kelloggii unknown Mar 1888 Sonoma near Healdsburg (Warner's ranch) Comment
  UC196970  Quercus lobata V. King Chesnut Aug 1887 Sonoma Santa Rosa Comment
  CAS-BOT-BC62847  Quercus lobata Lewis S. Rose 1964-6-27 64059 Sonoma 2 miles n of Sonoma hill slopes 274 Comment
  UCD14500  Quercus parvula var. shrevei Steven J. Barnhart 1995-2-1 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  RSA177965  Quercus wislizeni var. frutescens Robert F. Thorne 1965-4-20 34386 Sonoma Robert Sone's place on Rock Ridge Lane- Mentecito Ave. on Rincon Ridge, Santa Rosa. 107 Comment
  CAS-BOT-BC368085  Ranunculus aquatilis var. aquatilis Greg de Nevers 1998-4-28 11213 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Westernmost Double Ponds 400 Comment
  UC9381  Ranunculus aquatilis var. capillaceus State Survey 1862-4-18 970 Sonoma ponds near Sonoma Comment
Read comments Jan 20 2011
  UC9370  Ranunculus aquatilis var. capillaceus F. T. Bioletti 1892-1 Sonoma Comment
  CAS-BOT-BC379125  Ranunculus aquatilis var. diffusus Peter Rubtzoff 1962-8-22 5057 Sonoma Bodega Bay Marsh Comment
  CHSC33026  Ranunculus californicus Jane A. Rogers 1979-4-14 6 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. Field. 27 Comment
  RSA534581  Ranunculus californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC378677  Ranunculus californicus var. californicus L. R. Abrams 1918-4-27 6906 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC378679  Ranunculus californicus var. californicus Peter Rubtzoff 1957-5-4 3300 Sonoma Duncans Mills Marsh, border of the uper part of Marsh Comment
  CAS-BOT-BC378695  Ranunculus californicus var. californicus Peter Rubtzoff 1962-6-8 s.n. Sonoma open, damp borderland of Bennett Mtn. Lake Comment
  RSA82770  Ranunculus californicus var. cuneatus R. Miller 1949-4-6 28 Sonoma along coast beside Hwy1, 5 miles S of Jenner Comment
  POM118704  Ranunculus californicus var. gratus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  JEPS54969  Ranunculus canus Willis L. Jepson 1892-3-25 Sonoma near Alpine School; Gates Canyon Comment
  UC634971  Ranunculus lobbii Carl V. Meyer 1929-3-24 Sonoma Santa Rosa Comment
  SEINET12086713  Ranunculus orthorhynchus I. L. Wiggins 1932-1 5757 Sonoma Knight's Valley Comment
  UC72899  Ranunculus orthorhynchus var. bloomeri Miss M. Alice King April, 1897 Sonoma near Healdsburg Comment
  JEPS18121  Ranunculus pusillus Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5677 Sonoma above Canyon of Big Austin Creek (4 mi n of Cazadero, above Arroyo Gun Club); Onion Pond 154 Comment
  RSA534582  Ranunculus repens Peter Rubtzoff 1954-6-7 1481 Sonoma Guerneville Marsh Comment
  SDSU10124  Ranunculus uncinatus D. F. Howe 1972-5-2 4820 Sonoma Trail above Duncan Mills pond. Comment
  CAS-BOT-BC55946  Rhamnus crocea A. A. Heller 1902-6-26 5766 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC196915  Rhododendron James McMurphy 1909-5-29 s.n. Sonoma Between Geyser Mountain and the Geysers Comment
  CAS-BOT-BC53746  Rhododendron columbianum Ella Dales Cantelow 1941-6-7 3643 Sonoma 5 mi. n. of Fort Ross. Hwy 1 Comment
  CAS-BOT-BC56600  Rhododendron macrophyllum Mary P. Wells 1984-8-9 450 Sonoma Forest off north end of Deerfield Road, The Sea Ranch Comment
  UC634742  Rhododendron macrophyllum H. L. Mason 1928-7-11 4896 Sonoma 2 mi n of Fort Ross Comment
  CAS-BOT-BC226795  Rhododendron occidentale G. F. Hrusa 1989-5-8 7003 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma 518 Comment
  UC157681  Rhododendron occidentale Milo S. Baker May, 1899 Sonoma near Forestville Comment
  UCD141958  Rhododendron occidentale G. F. Hrusa 1989-5-8 7009 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  UCD117989  Rhododendron occidentale J. M. Tucker 1952-5-4 2361 Sonoma On bank of the Wheatfield Fork of the Gualala River, beside road from Geyserville to Stewart's Point, ca. 12 miles east of Stewart's Point. Comment
  CAS-BOT-BC200344  Rhododendron occidentale var. occidentale Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CDA16156  Rhododendron occidentale var. occidentale R. Gross 1999-7-7 s.n. 2 Sonoma North Coast Ranges; NW side of Mt. St. Helena, below Ida Clayton Rd. 0 Comment
  RSA177963  Rhododendron occidentale var. occidentale R. F. Thorne 1965-4-20 34382 Sonoma Charles Newman's place up Los Alamos Rd, on Rincon Ridge 396 Comment
  CAS-BOT-BC111874  Rhynchospora alba John Thomas Howell; Milo S. Baker; Hans Leschke 1945-7-18 21325 Sonoma Pitkin Marsh Comment
  CHSC65438  Rhynchospora californica J. T. Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  UC1133746  Rhynchospora capitellata H. S. Yates 1936-5-16 5593 Sonoma 2 mi se Forestville; Sebastopol Quadrangle, Pitkin Marsh Comment
  CAS-BOT-BC111934  Rhynchospora recognita Peter Rubtzoff 1951-6-30 321 Sonoma Pitkin Marsh, lower part of the Upper Marsh Comment
  CAS-BOT-BC212919  Ribes menziesii Peter H. Raven 1954-2-27 6432 Sonoma Hooker Creek, Hoods Peak Range 457 Comment
  CHSC26437  Ribes sanguineum var. glutinosum P. Kunst 1977-4-12 22 Sonoma Large population, ca. 3 yd n of Coleman Valley Rd and 2.5 mi w of Occidental. 219 Comment
  UC1182091  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 171 Sonoma ne Kenwood (n from Sonoma, at foot of Mt. Hood); Mt. Hood, Canyon of Sonoma Creek Comment
  UC1182092  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 171 Sonoma ne Kenwood (n from Sonoma, at foot of Mt. Hood); Mt. Hood, Canyon of Sonoma Creek Comment
  UC90662  Rigiopappus leptocladus Katharine Brandegee Sonoma Cloverdale Comment
  RSA785734  Romanzoffia californica Carrie A. Herd 1982-3-28 59 Sonoma Scagg Springs Road; 10.1 miles from Scagg Springs Road Bridge no. 1. Comment
  RSA0060109  Rorippa Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road. 100 Comment
  CAS-BOT-BC74698  Rorippa curvisiliqua Peter Rubtzoff 1958-7-19 3772 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  RSA295091  Rorippa curvisiliqua Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4207 Sonoma On the Boriolo Ranch, near Trenton Rd., just S of and paralleling River Rd., (N part of Laguna de Santa Rosa), approx halfway between Guerneville and Santa Rosa. 15 Comment
  UCR254883  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC74849  Rorippa palustris var. palustris Peter Rubtzoff 1973-8-25 7259 Sonoma Willow Creek Marsh. Comment
  UCR254885  Rorippa truncata Peter Rubtzoff 1973-8-21 7250 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 41 Comment
  CAS-BOT-BC152665  Rosa californica Greg de Nevers 1995-6-3 10747 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, along Franz Creek, just below Mountain House 487 Comment
  CAS-BOT-BC152677  Rosa californica F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  RSA94284  Rosa californica Peter Rubtzoff 1951-6-16 263 Sonoma Eastern Branch of the upper marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC148202  Rosa rubiginosa Peter Rubtzoff 1955-6-4 1898 Sonoma Stony Piont Marsh Comment
  CAS-BOT-BC148198  Rosa rubiginosa Walter Knight; Irja Knight 1963-10-3 360 Sonoma Pasture edge at Stony Point and Meacham Rds. Comment
  CAS-BOT-BC262810  Rubus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC262811  Rubus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC262825  Rubus Peter Rubtzoff 1954-8-11 1691 Sonoma Guerneville Marsh. Comment
  UCD166412  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. 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
  POM91634  Rubus macropetalus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC158722  Rubus ulmifolius Mary P. Wells 1985-7-1 527 Sonoma Bank of Ducker Creek, Rincon Valley, Santa Rosa Comment
  SEINET11912601  Rubus ulmifolius var. inermis H. K. Wagnon 1990-1 1976 Sonoma bank of Santa Rosa Creek by Brookwood Ave. bridge, Santa Rosa Comment
  UCD166411  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. 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
  UCD101060  Rumex acetosella Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 72 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  SEINET10862960  Rumex californicus Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2617 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  CAS-BOT-BC433415  Rumex crispus Walter Knight; Irja Knight 1963-9-25 122 Sonoma Coddingtown, Blue Bell Lane Comment
  CAS-BOT-BC166746  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166800  Rumex fueginus Peter Rubtzoff 1962-9-30 5097 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  UCD148399  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166659  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC433847  Rumex pulcher G. DeNevers 1981-6-6 1490 Sonoma Pepperwood Ranch. On the S slope of Telegraph Hill, E of the road, above the cow trough. Comment
  CAS-BOT-BC320532  Sagina Peter Rubtzoff; Nancy Harrison 1978-6-11 9214 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  CAS-BOT-BC445781  Sagittaria latifolia John Thomas Howell 1945-7-18 21316 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC445769  Sagittaria latifolia F. G. Krauss 1893-10-14 s.n. Sonoma County Road, Sonoma Valley Comment
  CAS-BOT-BC445775  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC445780  Sagittaria latifolia John Thomas Howell 1946-8-17 22879 Sonoma The Laguna just east of Sebastopol Comment
  RSA63684  Salicornia maritima Milo S. Baker 1946-1 11661 Sonoma Less than 1 mi. N of junction of Sears Pt. cutoff and Black Point Hwy. Comment
  UCD99149  Salicornia pacifica D. Sanchez-Mata; M. G. Barbour 1996-4-12 s.n. Sonoma S. Pablo Bay. S. Pablo National Wildlife Refuge. 5 Comment
  CAS-BOT-BC290700  Salix Peter Rubtzoff 1973-9-9 7313 Sonoma Kenwood Marsh. Comment
  UCR250388  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 mi south of Freestone 64 Comment
  RSA0015573  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. At south margin of the area. Comment
  CAS-BOT-BC135955  Salix alba subsp. vitellina Walter Knight; Irja Knight 1987-3-16 6010 Sonoma Corner Adobe Rd. & Stage Gulch Rd. Comment
  RSA534607  Salix bonplandiana Peter Rubtzoff 1960-5-29 4421 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  CAS-BOT-BC107752  Salix hindsiana H. E. McMinn 1922-6-7 182 Sonoma Along Russian River near Guerneville Comment
  CAS-BOT-BC107799  Salix hindsiana Ball; Bracelin; Parks 1931-4-21 38 Sonoma Mayacama Creek, 25 km. northwest of Calistoga, in ravine above creek Comment
  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
  CAS-BOT-BC107087  Salix lasiolepis Mary P. Wells 1986-2-2 735 Sonoma north of Wild Moor Reach, The Sea Ranch Comment
  CAS-BOT-BC107089  Salix lasiolepis Mary P. Wells 1986-2-2 726 Sonoma north of Wild Moor Reach, The Sea Ranch Comment
  CAS-BOT-BC107090  Salix lasiolepis Mary P. Wells 1987-2-21 857 Sonoma South side of Spring Lake, Santa Rosa Comment
  CAS-BOT-BC107091  Salix lasiolepis Greg de Nevers 1990-5-1 9663 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  CHSC118273  Salix lasiolepis Barbara L. Wilson 2015-9-22 18818 Sonoma Santa Rosa, Howarth Lake. 71 Comment
  UC1042518  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Upper Marsh Pitkin Marsh (lower part, near Forestville) Comment
  UC453108  Salix lasiolepis W. A. Setchell 1931-8-1 22 Sonoma Russian R. between Monte Rio and Duncan's Mills; Russian R. Comment
  UC453113  Salix lasiolepis W. A. Setchell 1931-8-1 27 Sonoma Jenner-by-the-Sea Comment
  UC482119  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  SEINET10396306  Salix lasiolepis A. A. Heller 1902-8-23 5096 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  SEINET10538859  Salix lasiolepis A. Arthur Heller 1902-3-18 Heller 5096 Sonoma Santa rosa creek, e of santa rosa. 23 Aug and 18 mar. Comment
  CAS-BOT-BC107346  Salix lasiolepis var. bigelovii Peter Rubtzoff 1955-8-20 2058 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC128250  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of Upper Marsh in and open damp area - Pitkind Marsh, near Forestville Comment
  UC482049  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  UC482050  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  SBBG27421  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 342 Sonoma 2 km E of Occidental, on Occidental grade Comment
  SBBG57984  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 342 Sonoma 2 km E of Occidental, on Occidental grade Comment
  UC511619  Salix scouleriana W. A. Setchell 1933-7-9 1 Sonoma well away from Russian R. Bohemian Grove; Monte Rio Comment
  CAS-BOT-BC128913  Salix sitchensis A. A. Heller 1903-4-23 6602 Sonoma Fort Ross Comment
  CAS-BOT-BC128942  Salix sitchensis Peter Rubtzoff 1959-6-20 4162 Sonoma Willow Creek Marsh Comment
  SBBG57996  Salix sitchensis M. S. Baker, C. R. Ball, Mrs. H. P. Bracelin, E. Crum 1931-5-9 344 Sonoma ca. 2 km E of Bodega Bay Comment
  UC453107  Salix sitchensis W. A. Setchell 1931-7-31 21 Sonoma Bodega Bay Comment
  UC482104  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 35 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC498691  Salix sitchensis Annetta Carter 1933-2-18 254 Sonoma 185 yds. from ocean Fort Ross (beside creek) 3 Comment
  UCD158832  Salvia James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2922 Sonoma the Geysers, Section 14. (Elevation estimated by label maker using Google Earth.) 533 Comment
  CAS-BOT-BC225212  Salvia sonomensis J. Clausen 1935-5-23 1073 b Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  CAS-BOT-BC225217  Salvia sonomensis Walter Knight; Irja Knight 1963-8-23 195 Sonoma Joost Ranch, Calistoga Rd. Comment
  POM262891  Salvia sonomensis J. C. Roos 1939-4-1 311 Sonoma Hood Peak Range west of Calistoga. Comment
  CAS-BOT-BC225219  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma Mountainside on north side of Hooker Creek, Hoods Peak Range 609 Comment
  OBI39520  Sambucus racemosa var. racemosa F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -160 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek rd 145 Comment
  SEINET12121509  Sanicula bipinnatifida F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -091 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  UCD127938  Sanicula bipinnatifida Charles B. Heiser Jr. 1946-4-13 1719 Sonoma between Jenner and Ducan Mills. Comment
  UCD128015  Sanicula bipinnatifida Caitlin Lewis; William Mutch 1993-4-17 1 Sonoma About 40 air miles north of San Francisco, 11 air miles east of Santa Rosa and 2.5 air miles northeast of Kenwood. In Adobe Canyon north of Sugarloaf Ridge and south of Red Mountain 1 mile. Near visitor center. 365 Comment
  UC1022562  Sanicula crassicaulis C. Ritchie Bell 1952-3-19 3 X354 Sonoma se of Bodgea Bay (Larkspur Rock); Larkspur Rock Comment
  UC1123195  Sanicula laciniata B. O. Schreiber 1938-2-27 2465 Sonoma 2 mi nw of Mark West Springs 121 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
  UC11769  Saxifraga californica F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  UC480598  Saxifraga integrifolia Carl Meyer 1928-4-3 324 Sonoma Santa Rosa Comment
  POM117235  Saxifraga mertensiana Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCD161371  Saxifraga mertensiana James A. Neilson Jr. 1976-6-18 3986 Sonoma Mayacmas Mountains. Junction of Squaw Creek and Big Sulphur Creek. (Elevation and exact location estimated by label maker.) 731 Comment
  JEPS47532  Saxifraga stolonifera Emanuel Fritz 1926-6-4 Sonoma near Sebastopol (at the Sturgeon saw mill); near Sebastopol Comment
  CAS-BOT-BC283145  Schedonorus arundinaceus Mary P. Wells 1984-5-7 259 Sonoma By guest parking lot, Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC111436  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1959-6-20 4166 Sonoma Willow Creek Marsh. Open, wet, gravelly bank of Willow Creek. Comment
  CAS-BOT-BC111532  Schoenoplectus americanus Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7803 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC111632  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh; freshwater part. Comment
  SD134081  Schoenoplectus californicus Peter Rubtzoff 1962-8-3 5030 Sonoma Lower Salmon Creek Marsh, in open wet mud, formerly under water. Comment
  RSA0019149  Schoenoplectus maritimus Peter Rubtzoff 1955-8-6 2021 Sonoma Bodega Harbor Marsh. Comment
  RSA534612  Schoenoplectus pungens Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111834  Schoenoplectus tabernaemontani Peter Rubtzoff 1970-8-18 6311 Sonoma 5 mi N of Sears Point Comment
  RSA534611  Schoenoplectus tabernaemontani Peter Rubtzoff 1962-7-4 4970 Sonoma Healdsburg region: Russian River. Fitch Mts. Grove, 2 mi E of Healdsburg. Comment
  CAS-BOT-BC111115  Scirpus microcarpus John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol. Comment
  CAS-BOT-BC516414  Scoliopus bigelovii Alfaretta Wood No date on label. s.n. Sonoma Duncan's Mill Comment
  SEINET12050505  Scoliopus bigelovii F. H. Utech 1988-1 88 -182 Sonoma 0.15 mi SE from East Ave jct with Bohemian Road on latter enroute to Occidental from Camp Meeker 140 Comment
  SEINET12050506  Scoliopus bigelovii F. H. Utech 1988-1 88 -181 Sonoma 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  SEINET12057693  Scoliopus bigelovii F. H. Utech 1990-5-6 s.n. Sonoma Camp Meeker study site Comment
  SEINET12058071  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -005 Sonoma 6 mi W of junction of Willow Creek Rd & Coleman Valley Rd on former, along Willow Creek 40 Comment
  SEINET12058072  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  CAS-BOT-BC240035  Scribneria bolanderi John Thomas Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente Comment
  UCR249357  Scrophularia californica Peter Rubtzoff 1960-5-22 4412 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UC25783  Scutellaria antirrhinoides H. N. Bolander 1864-1 3947 Sonoma at the Geysers Geysers Comment
  UC112913  Scutellaria californica Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CAS-BOT-BC64096  Sedum radiatum subsp. radiatum A. A. Heller 1902-6-28 5789 Sonoma Between Knight's Valley and Mark West Springs Comment
  CAS-BOT-BC63942  Sedum spathulifolium John Thomas Howell 1930-6-8 5262 Sonoma 1 mile east of Bodega Bay Comment
  UCD151222  Sedum spathulifolium James A. Neilson Jr. 1974-5-17 2978 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  CDA9639  Selaginella wallacei D. G. Kelch 2007-5-13 7 .3 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UC371002  Selaginella wallacei Michener and Bioletti 1893-12-25 Sonoma Adobe Canyon Comment
  CAS-BOT-BC62199  Selaginella wallacei John Thomas Howell 1926-11-14 2251 Sonoma Hills east of Santa Rosa Comment
  UCD167414  Senecio James Neilson 1978-5-3 3962 Sonoma Mayacmas Mountains, near Little Sulphur Creek in Pine Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC363430  Senecio aronicoides A. A. Heller; H. E. Brown 1902-4-11 5264 Sonoma Bodega Bay Comment
  UC485215  Senecio aronicoides H. P. Chandler 1907-4-21 7528 Sonoma road from Glen Ellen to Oakville Comment
  SEINET11807204  Senecio jacobaea W. Knight, Knight, I. 1984-1 5113 Sonoma near junction Hwy 1 & Headlands Beach Rd, Sea Ranch Comment
  CAS-BOT-BC364678  Senecio vulgaris A. A. Heller; H. E. Brown 1902-3-16 5072 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC80324  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Near Santa Rosa Comment
  CDA31319  Sequoia sempervirens D. G. Kelch, Ed Biffin 2010-5-3 10 .195 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UC403025  Sequoia sempervirens J. Burtt Davy 1896-8-1 Sonoma Bohemian Camp Guerneville Comment
  UC536019  Sequoia sempervirens W. A. Setchell and Victor Duran 1935-3-31 Sonoma garden of Mrs. Max Knittl Monte Rio Comment
  CAS-BOT-BC240273  Setaria viridis John Thomas Howell; Walter Knight; Irja Knight 1987-5-21 6237 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC240278  Setaria viridis G. DeNevers 1981-6-20 1620 Sonoma Pepperwood Ranch. In Mark West Creek Comment
  RSA0004218  Sidalcea calycosa Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  JEPS113060  Sidalcea hickmanii subsp. viridis Steven A. Harris 2006-5-25 SAH- 001 Sonoma Highway 1, PM 22.93 Comment
  UCD116755  Sidalcea malachroides P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC213167  Sidalcea oregana subsp. valida Milo S. Baker 1932-8-15 6013 Sonoma Marshy road ditch just W. of Kenwood. Comment
  CAS-BOT-BC213169  Sidalcea oregana subsp. valida M. S. Baker 1927-7-19 2343 Sonoma Kenwood Comment
  CAS-BOT-BC311840  Silene Peter Rubtzoff; H. A. Froebe 1971-5-30 6477 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC320549  Silene Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  JEPS45851  Silene californica Eleanor Armstrong 1932-5-28 504 Sonoma 6 mi w of Graton (along Meek[s] grade); w of Graton 60 Comment
  UCR23679  Silene californica John C. Roos 1957-6-29 6618 Sonoma North Coast Ranges, Fitch Mtn, near Healdsburg 59 Comment
  RSA177901  Silene gallica R. F. Thorne 1965-4-20 34356 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  RSA41908  Silene gallica H. C. Cantelow 1936-5-3 1244 Sonoma 3 miles S of El Verano. Comment
  CAS-BOT-BC389225  Silene laciniata subsp. californica G. DeNevers 1981-5-23 1255 Sonoma Pepperwood Ranch. Along Franz Valley Road Comment
  CAS-BOT-BC389884  Silene scouleri subsp. scouleri Alice Eastwood 1899-6-1 s.n. Sonoma Bodega Point Comment
  UCD135848  Silybum marianum Gerry North 1993-4 55 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 Vista trail 1/2 mile NE of fork with Bald Mountain trail. Sugarloaf Ridge State Park. 556 Comment
  UCD115720  Sisymbrium officinale Frederica Bowcutt 1994-6-12 1857 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, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  UC1032511  Sisyrinchium bellum E. Armstrong 1934-3-26 940 Sonoma 3 mi nw of Camp Meeker 91 Comment
  SEINET7040133  Sisyrinchium bellum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  UC1032494  Sisyrinchium californicum H. S. Yates 1936-5-16 5587 Sonoma 2 mi se of Forestville 30 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
  CAS-BOT-BC164423  Solanum Peter Rubtzoff 1962-9-9 5079 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC166692  Solanum Peter Rubtzoff 1974-9-7 7888 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. at creek crossing. Comment
  UCD165324  Solanum Peter Rubtzoff 1973-8-21 7245 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  RSA227218  Solanum americanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UCD126844  Solanum furcatum Mary M. Hektner; Sue Dakuazku, Cathy Hendel 1974-7-3 110 Sonoma Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC361291  Solanum jasminoides Greg de Nevers 1993-5-15 10445 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  RSA0062825  Solidago occidentalis Greg de Nevers 1989-8-28 9096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 100 Comment
  SD53377  Solidago spathulata Darley F. Howe 1962-7-29 3350 Sonoma 12 miles north of Jenner on Highway 1 89 Comment
  CAS-BOT-BC365260  Solidago velutina subsp. californica Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC365261  Solidago velutina subsp. californica Alice Eastwood 1915-6-29 4804 Sonoma Bodega Point Comment
  UC1070227  Solidago velutina subsp. californica J. B. Spring 1932-6-25 86 Sonoma 2 mi n Agua Caliente; Napa Quad. 243 Comment
  CDA8805  Soliva sessilis G. D. Barbe 1982-5-27 3618 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  UCD148422  Sonchus Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  CDA32940  Sonchus oleraceus D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  UCD136182  Sonchus oleraceus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-2 103 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  UCR71885  Sparganium emersum subsp. emersum Peter Rubtzoff 1972-6-24 6790 Sonoma Atascadero Creek Marsh 28 Comment
  RSA20122  Sparganium erectum subsp. stoloniferum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  UCD92998  Spartina foliosa R. Tofsrud 1949-11-1 s.n. Sonoma Black Point Road. Comment
  RSA41907  Spergula arvensis H. C. Cantelow 1936-1-26 1115 Sonoma Cliffs above Bodega Bay. Comment
  RSA0022382  Spergularia Peter Rubtzoff 1971-7-9 6597 Sonoma 5 miles north of Sears Point. Comment
  UCD99211  Spergularia macrotheca var. macrotheca P. G. Connors 1991-6-17 160 Sonoma Bodega Marine Laboratory. Comment
  UCD160119  Spergularia rubra James A. Neilson Jr. 1973-6-3 2995 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD99276  Spergularia rubra Frederica Bowcutt 1996-3-24 2076 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Trail head for Lower Bald Mountain Trail at group campsite just west of Sonoma Creek. 381 Comment
  POM80112  Stachys chamissonis Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  HSC14408  Stachys rigida S. N. Wiemeyer 1962-4-20 20 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD125569  Stachys rigida var. quercetorum Rimy Waraich; Patti Togioka 1993-5-8 234 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  CAS-BOT-BC405135  Stellaria nitens Greg de Nevers 1993-3-24 10333 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Weimar Canyon. 304 Comment
  UCD167448  Streptanthus James Neilson 1983-6-13 4095 Sonoma East Austin Creek tributary. (On the same date Neilson was in the upper reaches of East Austin Creek, however the exact tributary is unknown. Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA74053  Streptanthus barbiger Milo S. Baker 1947-5-30 11775 Sonoma Located 2 miles NE of Occidental along Harrison Grade. Comment
  UC1326275  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UC1492715  Streptanthus barbiger Freed W. Hoffman 1948-6-1 2334 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC956504  Streptanthus barbiger Freed W. Hoffman 1948-6-1 2334 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC963921  Streptanthus barbiger Milo S. Baker 1947-5-30 11775 Sonoma along grade ca 2 mi ne Occidental; North Bay Counties, Harrison Grade Comment
  UC1478046  Streptanthus brachiatus Charlie Patterson 1980-6-16 Sonoma ca 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  UCR67076  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  CAS-BOT-BC61231  Streptanthus breweri Herbert L. Mason 1946-7-4 12896 Sonoma 2 miles east of Occidental. Comment
  CAS-BOT-BC87234  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-4 6178 Sonoma Santa Rosa Canyon, north of Mount Hood. Comment
  JEPS26976  Streptanthus glandulosus subsp. secundus W. L. Jepson 1904-5-29 2430 Sonoma Mark West Creek Comment
  UC1492788  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3395 Sonoma headwaters of East Austin Creek North Coast Ranges, The Island Comment
  NY185747  Streptanthus glandulosus subsp. secundus F. W. Hoffman 1948-6-8 2323 Sonoma North Coast Ranges; Great Eastern Quicksilver Mine near Guerneville Comment
  UC985963 Image available Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-8 2323 Sonoma near Guerneville (Great Eastern Quicksilver Mine); North Coast Ranges; Great Eastern Quicksilver Mine, near Guerneville, Sonoma Co. Comment
  SEINET11998401  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60139 Sonoma NE of healdsburg, Reservoir Hill (end of Sunnyvale Dr) 104 Comment
  UC1492807  Streptanthus morrisonii subsp. hirtiflorus F. W. Hoffman 1948-6-17 2344 Sonoma bluffs and cliff talus above Dorr's Cabin (headwaters of creek); North Coast Ranges, East Austin Creek; above Dorr's cabin, headwaters of East Austin Creek, Sonoma Co. Comment
  UC1492804  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-5-24 3360 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  UC1492812  Streptanthus tortuosus Freed W. Hoffman 1949-7-9 2849 Sonoma on road from Healdsburg to Geysers 1.4 mi from Geyser-Cloverdale road (ledge 200 ft above road); North Coast Ranges 624 Comment
  RSA800122  Stuckenia pectinata Peter Rubtzoff 1971-9-30 6712 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC540810  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC540811  Symphoricarpos Peter Rubtzoff 1966-6-5 5754 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC269634  Symphoricarpos albus var. laevigatus Marcus E. Jones 1931-7-5 29056 Sonoma West of Cloverdale Comment
  UC1544808  Symphyotrichum chilense Almut G. Jones 1986-8-23 7252 Sonoma e of, along Hwy 116 Petaluma 300 Comment
  UC29832  Symphyotrichum chilense Alice King 1896-9-1 Sonoma Healdsburg Comment
  CAS-BOT-BC97832  Symphyotrichum chilense Walter Knight; Irja Knight 1963-9-26 116 Sonoma ca. 3 mi. from San Antonio Rd. on I. St. Ext. Comment
  UC29896 Image available Symphyotrichum lentum Edw. L. Greene 1888-9-1 Sonoma near Petaluma; ; near Petaluma Comment
  CAS-BOT-BC221964  Taeniatherum caput-medusae G. DeNevers 1981-5-9 1015 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead Comment
  CAS-BOT-BC157675  Taraxacum Peter Rubtzoff 1958-4-26 3587 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CHSC28708  Taraxia ovata R. A. Schlising; C. A. Lawler 1979-4-12 3359 Sonoma S of Petaluma in extreme southern part of county, just N of Marin Co. line along San Antonia Road, 0.3 mi W of Hwy 101. In pasture. Comment
  UCD107042  Taraxia ovata Mary M. Hektner 1975-4-30 192 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA789623  Taxus brevifolia var. polychaeta Richard W. Spjut, Peter Baye 2010-6-21 16710 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 Comment
  CAS-BOT-BC399884  Thalictrum polycarpum Peter Rubtzoff 1959-6-13 4140 Sonoma Willow Creek Marsh Comment
  RSA66922  Thermopsis californica var. californica E. K. Balls, Lee W. Lenz, B. K. Balls 1951-5-3 16400 Sonoma About 3 mi. north of Hwy 12 on road to Petrified Forest. Comment
  RSA800061  Thermopsis californica var. californica Peter Rubtzoff 1965-5-8 5527 Sonoma Atascadero Creek Marsh. Comment
  CHSC19524  Thermopsis macrophylla C. Euser 1974-4-4 2 Sonoma Found ca. 8 mi n of Napa, on Hwy. 116, ca. 0.5 mi se from junction with Hwy. 121. Comment
  CAS-BOT-BC66808  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10935 Sonoma Sonoma Creek Canyon. Comment
  UCR265091  Thysanocarpus curvipes var. curvipes Ann Howald 2015-4-1 3334 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  UC1084484  Thysanocarpus radians G. Thomas Robbins 1938-4-15 260 Sonoma along road to Graton 6-7 mi w Santa Rosa Comment
  UC609293  Thysanocarpus radians Milo S. Baker 1934-3-27 7580 Sonoma Vernal pool by Bennett Valley road se Santa Rosa; se of Santa Rosa Comment
  RSA0049971  Thysanocarpus radians Peter H. Raven 1913-4-6 1602 Sonoma Lower slopes of Rincon River. 4 miles from Santa Rosa to Sonoma. 243 Comment
  UC420446  Tiarella trifoliata var. unifoliata Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  SEINET12217316  Tiarella unifoliata F. H. Utech 1988-1 88 -200 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  POM14823  Tonella tenella A. A. Heller, H. E. Brown 1902-4-4 5217 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC81458  Torreya californica D. E. Breedlove 1983-4-11 58694 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD165111  Torreyochloa pallida var. pauciflora Peter Rubtzoff 1973-9-9 7320 Sonoma Kenwood Marsh. Comment
  UCD93245  Torreyochloa pallida var. pauciflora H. S. Yates 1936-6-16 5590 Sonoma 2 miles SE of Forestville. 30 Comment
  CAS-BOT-BC172888  Toxicodendron diversilobum Alice Eastwood 1915-6-5 4583 Sonoma Petrified Forest Comment
  POM117572  Toxicodendron diversilobum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  RSA800348  Trichostema Peter Rubtzoff, Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  OBI13449  Trichostema laxum Robert F. Hoover 1965-6-29 9473 Sonoma N of summit on Harrison Grade rd near Occidental Comment
  POM188235  Trichostema laxum Marcus E. Jones 1931-7-5 28816 Sonoma Geysers Comment
  SEINET6174104 Image available Trientalis europaea var. latifolia Sally Walker 1981-5-25 Sonoma 3 miles west of Occidental Sonoma co. Comment
  SEINET8729726 Image available Trientalis europaea var. latifolia Martha Meagher 1947-1 102 Sonoma County road one-half mile west of Freezeout Creek, across Russian River from Duncan's Mills. Comment
  UC750809  Trientalis latifolia Charles B. Heiser Jr. 1946-5-19 1759 Sonoma Russian River near Duncan Mills; Russian River Comment
  CAS-BOT-BC166760  Trifolium Peter Rubtzoff 1970-9-13 6386 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  JEPS128277  Trifolium Roger Raiche 2005-4-22 013 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1130009  Trifolium albopurpureum var. dichotomum H. S. Yates 1934-4-21 3821 Sonoma near Duncan Mills; Duncan Mills quadrangle 60 Comment
  RSA216712  Trifolium amoenum Robert F. Hoover 1969-5-26 11349 Sonoma 2 miles S of Petaluma on Point Reyes Road Comment
  UCSC006120  Trifolium amoenum Randall Morgan 1996-1 Sonoma Comment
  JEPS83493  Trifolium barbigerum var. andrewsii Jack and Betty Guggolz 1986-4-1 862 Sonoma ne Shilo Rd-Hwy 101 intersection (sw corner of a field) Comment
  UC16476  Trifolium depauperatum var. depauperatum W. H. Brewer 1862-4-18 980 Sonoma near Sonoma (in a field) Comment
  CAS-BOT-BC371429  Trifolium dubium Greg de Nevers 1997-4-17 10947 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA94341  Trifolium dubium Peter Rubtzoff 1951-7-14 461 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  UC1084487  Trifolium fucatum G. Thomas Robbins 1938-5-19 263 Sonoma sw Santa Rosa (along Sandy Point Rd) Comment
  POM21433  Trifolium gracilentum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-9 5242 Sonoma Three Miles South of Healdsburg. Comment
  CDA36945  Trifolium hirtum 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
  SEINET12165543  Trifolium hirtum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -159 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  UCD166120  Trifolium hybridum Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  UCSB31785  Trifolium hybridum Townsend, J. 1977-5-29 Sonoma West side Russian River about 1 mile south of Guerneville 335 Comment
  UC1096834  Trifolium incarnatum Milo S. Baker May 1957 13175 Sonoma near S. F. State College (n Santa Rosa, Hwy 101) Comment
  UC631549  Trifolium microcephalum P. B. Kennedy 1915-5-31 Sonoma Anapolis Comment
  UCD111449  Trifolium microcephalum R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  UCD165155  Trifolium microdon Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD33225  Trifolium microdon Beecher Crampton 1967-5-15 7926 Sonoma Sonoma County, Lytton. Comment
  UCSC005675  Trifolium stenophyllum Randall Morgan 1995-5-18 2610 Sonoma 6+ miles up Coleman Valley Road from Occidental Comment
  UCD109323  Trifolium striatum Frederica Bowcutt 1996-5-21 2141 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. About 1 air mile S of Red Mtn. in Adobe Canyon. 396 Comment
  UCD147006  Trifolium tomentosum Robert E. Preston 2011-4-28 2851 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  SEINET10577425  Trifolium tridentatum var. tridentatum Michener MICHENER s.n. Sonoma Kenwood Comment
  UCD161358  Trifolium variegatum James A Neilson Jr. 1976-5-5 3717 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, ca. 300 yards uphill from well site #1. (Coordinates and location estimated by label maker.) Comment
  JEPS117130  Trifolium variegatum var. variegatum Peter Warner 2010-5-6 139 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
  UCD109525  Trifolium willdenovii P. G. Connors 1992-5-8 249 Sonoma Bodega Head and Dunes. Comment
  SEINET12165540  Trifolium willdenovii F. H. Utech 1986-1 86 -122 Sonoma 3 mi SW on Sonoma Mt. Road from junction with CA 12, near Jack London Historical Park 250 Comment
  UC16810  Trifolium wormskioldii J. Burtt Davy 1896-7-23 Sonoma May's Canyon Guerneville Comment
  UC85324  Trifolium wormskioldii Michener and Bioletti 1892-5-15 Sonoma South Los Guilicos Comment
  UCD109910  Trifolium wormskioldii Frederica Bowcutt 1984-6-23 439 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. North of Gerstle Cove ca. 1/2 mile. 15 Comment
  CDA28069  Trifolium wormskioldii M. S. Bergseng 1959-8-4 3809 Sonoma Sonoma Coast State Park. 0 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-BC520849  Trillium albidum Greg de Nevers 1993-4-6 10362 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  UC1364376  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 574 Sonoma w. of Geyserville (at confluence of 2 ravines on Skaggs Springs Rd. ca. 10 mi. w. of its jct. with Dry Creek Rd.) Comment
  CAS-BOT-BC520847  Trillium albidum J. W. Congdon 1880-3-1 s.n. Sonoma Near Santa Rosa Comment
  RSA178023  Trillium ovatum Robert F. Thorne 1965-4-19 34314 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 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
  CHSC33029  Triphysaria eriantha Jane A. Rogers 1979-4-14 8 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  UC103157  Triphysaria eriantha subsp. eriantha Michener and Bioletti June 1892 172 Sonoma Shellville Comment
  UCSB7457  Triphysaria eriantha subsp. eriantha Keator, Glenn 1959-4-2 Sonoma 0.3 miles south of southern Boyes Springs city limits on outskirts of Sonoma on highway 12 Comment
  UCD123411  Triphysaria eriantha subsp. rosea Mary M. Hektner 1974-7-6 136 Sonoma Unit 35-B Owner's Map, Sea Ranch, near Highway 1. On the greens of the Golf Course. Comment
  SEINET6987687  Triphysaria pusilla W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Maritime grassland 5 miles north of Fort Ross. Comment
  CHSC37363  Triphysaria versicolor subsp. faucibarbata R. M. Winchell 1980-4-20 1 Sonoma Along hillside of Bennet Valley Road. Comment
  UC726087  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1941-5-4 16089 Sonoma two mi e Shellville Comment
  CAS-BOT-BC200104  Trisetum canescens G. DeNevers 1981-6-18 1576 Sonoma W arm of Garrison Canyon Comment
  CAS-BOT-BC227657  Trisetum canescens Peter Rubtzoff 1955-5-14 1847 Sonoma Duncans Mills Marsh. Comment
  UC1133276  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 2 mi se Forestville; Pitkin Marsh, Sebastopol Quad. 30 Comment
  UCD93492  Trisetum canescens Beecher Crampton 1953-5-19 1297 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128, at Napa County line. Comment
  UCD93633  Trisetum canescens R. Tofsrud 1941-4-1 157 Sonoma Rhododendron Park. Comment
  CAS-BOT-BC522357  Triteleia hyacinthina Peter Rubtzoff 1957-5-26 3364 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC522359  Triteleia hyacinthina Peter Rubtzoff 1974-5-19 7447 Sonoma Todd Road 1.4 mile from Hwy. 116 and 0.6 mile from Llano Road Comment
  CAS-BOT-BC522362  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC523027  Triteleia hyacinthina Wayne Roderick 1967-5-20 s.n. Sonoma NW edge of Santa Rosa 45 Comment
  CHSC22981  Triteleia laxa Robert A. Schlising; Lloy Thurman 1962-6-15 2305 Sonoma Dutcher Creek Road, S of Cloverdale and Asti. Comment
  UC666148  Triteleia laxa Annetta Carter and Ethel Crum 1941-6-22 1642 Sonoma steep ne-facing slope 3.3 mi e Bay (Bodega Bay); North Coast Ranges 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-BC527032  Triteleia laxa Peter Rubtzoff 1952-6-10 1199 Sonoma Northeast slopes of Fitch Mountain, near Healdsburg Comment
  RSA70138  Triteleia laxa F. W. Peirson, Mabel Peirson 1926-4-1 6547 Sonoma 6 miles south of Cloverdale. Comment
  SEINET7042672  Triteleia laxa A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 5.1 miles east of Windsor. Healdsburd quadrangle UTM Zone 10, 519806mE, 4273479mN. Comment
  UC3330  Triteleia peduncularis Harley P. Chandler 1900-5-25 676 Sonoma Bodega Comment
  CAS-BOT-BC527974  Triteleia peduncularis Peter Rubtzoff 1951-6-9 168 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UC335173  Tropidocarpum gracile Hy. Edwards Apr 1877 139 Sonoma Skaggs Spr. Comment
  CAS-BOT-BC208026  Ulex europaeus John H. Thomas 1966-3-22 11543 Sonoma on hillsides in the vicinity of Bodega Comment
  CAS-BOT-BC258006  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC91281  Umbellularia californica Walter Knight; Irja Knight 1963-9-15 272 Sonoma Los Alamos Road. Santa Rosa. Comment
  SEINET9317589  Umbellularia californica John Nelson, Wnek, R. 2000-3-5 20956 Sonoma Livereau Creek Comment
  UCD137872  Umbellularia californica C. Winstrom 1996-5-26 30 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD138017  Umbellularia californica Jennifer Bury; Peggy Herzog 1993-5-8 259 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center, 25 feet above parking lot; just off Lower Bald Mountain Trail. 379 Comment
  CAS-BOT-BC382823  Uropappus lindleyi K. L. Chambers 1978-4-29 4466 Sonoma Cloverdale to Fort Bragg road (Hwy. 128), 3.8 miles W of junction with Hwy. 101 at Cloverdale Comment
  RSA169297  Urtica dioica subsp. gracilis L. S. Rose 1964-6-3 64056 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC404236  Urtica dioica subsp. holosericea Peter Rubtzoff 1962-9-16 5088 Sonoma Vacation Beach, 1.5 miles below Guerneville Comment
  SEINET14053332  Urtica dioica subsp. holosericea Duaccares Ueills 1943-1 Sonoma roadside Comment
  UC55257  Utricularia gibba Milo S. Baker Nov 1898 Sonoma ditch 3 mi. s.e. Santa Rosa Comment
  UC877173  Vaccinium cespitosum Milo S. Baker 1940-1 9670 Sonoma Gravenstein Highway Perrys Marsh Comment
  CAS-BOT-BC193383  Vaccinium ovatum H. L. Mason 1928-4-8 4289 a Sonoma Two miles north of Fort Ross. Comment
  UCD36699  Vaccinium ovatum Beecher Crampton 1955-6-17 2980 Sonoma Sonoma County, 0.5 mile north of Camp Meeker, on road to Monte Rio. Comment
  UCD118075  Vaccinium ovatum Beecher Crampton 1955-6-17 2980 Sonoma Sonoma County, 0.5 mile north of Camp Meeker. Comment
  RSA40679  Vaccinium parvifolium I. L. Wiggins 1948-3-21 11617 Sonoma Western margin of Kruse Rhododendron State Park. Comment
  CAS-BOT-BC76163  Vancouveria planipetala J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC76167  Vancouveria planipetala Rimo Bacigalupi 1926-4-30 1376 Sonoma Cazadero. Comment
  UC1479609  Vancouveria planipetala Roy Y. Berg 1964-5-10 RYB 8096 Sonoma along Hwy 12 Russian River Valley 1 mi below sideroad to Occidental; Russian River Valley Comment
  JEPS62207  Veratrum fimbriatum Milo S. Baker 1920-9-20 Sonoma 2 mi n Stewart's Point Comment
  RSA790898  Verbascum Peter Rubtzoff 1954-7-27 1564 Sonoma Guernerville Marsh. Comment
  CDA41760  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15680 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  UC1125682  Verbascum thapsus E. Armstrong 1934-3-26 911 Sonoma 2 mi n Camp Meeker; Sebastopol Quad., n of Camp Meeker 91 Comment
  CDA5687  Verbena bonariensis var. conglomerata Anita Noldeke 1961-5-14 Sonoma Sebastopol. 0 Comment
  CAS-BOT-BC157680  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC262796  Veronica Peter Rubtzoff; Nancy Harrison 1974-9-7 7868 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC166927  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  CAS-BOT-BC269311  Veronica Peter Rubtzoff 1971-5-8 6429 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD166171  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  RSA783724  Veronica americana Peter Rubtzoff 1954-6-6 1460 Sonoma Guerneville Marsh. Comment
  UCR244741  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  RSA786489  Veronica americana Peter Rubtzoff 1962-8-22 5049 Sonoma Bodega Bay Marsh. Comment
  JEPS67155  Veronica anagallis-aquatica Peter Rubtzoff 1971-8-24 6660 Sonoma 3 mi w of Fulton (tributary of Mark West Creek); Mark West Creek Comment
  RSA0021066  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  JEPS66217  Veronica scutellata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6906 Sonoma Pitkin Marsh Comment
  UCD124784  Veronica scutellata Malcolm A. Knobs; S. Galen Smith 1949-8-1 1107 Sonoma 2 miles E of Stewart's Point on road to Geyserville. Comment
  CAS-BOT-BC267248  Viburnum ellipticum Greg de Nevers 1982-5-15 2011 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  UC73219  Vicia sativa Milo S. Baker 1898-5-7 596 Sonoma Glen Ellen Comment
  CDA36953  Vicia sativa subsp. sativa 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
  CDA34791  Vinca major Peter Warner 2010-3-1 111 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  CAS-BOT-BC270249  Viola adunca L. R. Abrams 1920-7-3 7619 Sonoma Stewarts Point Comment
  UC581533  Viola adunca H. L. Mason June 1930 5663 Sonoma mouth of Gualala River Comment
  CAS-BOT-BC270247  Viola adunca Ella Dales Cantelow 1939-4-10 4569 Sonoma 2.3 miles S of Stewarts Point Comment
  POM134840  Viola douglasii A. A. Heller, H. E. Brown 1902-3-14 5062 Sonoma Near Windsor. Comment
  UC1763347  Viola douglasii Milo S. Baker 1905-4-15 5515 Sonoma Santa Rosa Golf Links, Peach Flat Comment
  CAS-BOT-BC536903  Viola glabella Rimo Bacigalupi 1921-7-1 s.n. Sonoma Woods at Monte Rio Comment
  CAS-BOT-BC536908  Viola glabella Peter Rubtzoff 1958-5-30 3682 Sonoma Sonoma County Marshes: Duncans Mills Marsh at the border of the upper part of the Marsh Comment
  CAS-BOT-BC536962  Viola lobata Mary P. Wells 1984-5-1 204 Sonoma Near Humbug Creek, S of Calistoga Rd, Hood Mountain Range Comment
  UC1749379  Viola lobata Milo S. Baker 1937-4-18 8633 Sonoma Hope Valley north of Chamberlain's House, ca. 3/4 miles Comment
  UC1121589  Viola ocellata E. Armstrong 1934-4-15 1208 Sonoma 4 mi se of Occidental 152 Comment
  UC336275  Viola ocellata J. Ewan 1877-3-1 Sonoma Skaggs Springs Comment
  UC337758  Viola ocellata unknown 1892-5-4 Sonoma Armstrong Park near Guerneville; Armstrong Park Comment
  UC1762572  Viola sempervirens Milo S. Baker 1898-4-4 5546 Sonoma roadside between Cazadero and Sea View Comment
  RSA261416  Viola sempervirens Diane Ryerson 1969-5-3 39 Sonoma Hillside W of Tyrone Road. 122 Comment
  CAS-BOT-BC135287  Viscum album Stanley Rose 1966-5-8 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CAS-BOT-BC135289  Viscum album Stanley Rose 1966-1-2 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CAS-BOT-BC135290  Viscum album Stanley Rose 1966-1-2 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CAS-BOT-BC135291  Viscum album Stanley Rose 1966-3-13 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CDA2765  Viscum album S. Rose 1966-1-2 1090 Sonoma About 1 mile from Sebastopol on Gravenstein Highway North. 0 Comment
  CDA14898  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment
  CAS-BOT-BC203130  Vitis californica Lewis S. Rose 1968-6-25 68115 Sonoma Rincon Ridge ne. of Santa Rosa 121 Comment
  CAS-BOT-BC203131  Vitis californica James McMurphy 1908-9-27 s.n. Sonoma Mark West Creek Comment
  UCD17547  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 5 miles N on Upper Lake Highway, E of Ukiah. Near first highway bridge. Comment
  UCD17548  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 3 miles N on Upper Lake Highway, east of Ukiah. Near first highway bridge. Comment
  CAS-BOT-BC199903  Vulpia bromoides G. DeNevers 1981-5-11 1123 Sonoma At the Red Corral, The old McCann Homestead Comment
  CAS-BOT-BC199908  Vulpia bromoides Peter Rubtzoff 1960-5-18 4365 Sonoma Bodega Head Marsh Comment
  UCD151221  Vulpia bromoides James A. Neilson Jr. 1974-5-17 2979 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  UCD93478  Vulpia bromoides Beecher Crampton 1957-7-11 4307 Sonoma 1.4 miles southeast of Bodega Bay, along State Hwy. 1. Comment
  UCD93850  Vulpia microstachys var. ciliata L. Koch 1940-4-22 835 Sonoma Sulphur Creek Geysers. Comment
  UC933825  Vulpia microstachys var. confusa Leo Koch 1940-4-22 839 Sonoma Geysers; Sulphur Creek Canyon Comment
  CAS-BOT-BC184596  Vulpia microstachys var. pauciflora Greg de Nevers 1990-5-1 9669 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 457 Comment
  UC1146643  Vulpia microstachys var. pauciflora Freed W. Hoffman 1942-5-3 2246 Sonoma Oregon Canyon; North Coast Ranges Comment
  CDA42412  Wahlenbergia marginata Peter Warner 2013-3-27 271 Sonoma Glen Oaks Ranch, c. 1 mile east of Glen Ellen, in northeast part of ranch, along lower 1/4 mile of chaparral trail. Comment
  CAS-BOT-BC128705  Whipplea modesta Walter Knight; Irja Knight