Search Results — 2000 specimen records retrieved (1264 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC203226  Abutilon Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC371439  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Road at Mark West Springs Road 400 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
  UC14111  Acaena pinnatifida var. californica Harley P. Chandler 1900-5-25 665 Sonoma Bodega Comment
  UCD136861  Acaena pinnatifida var. californica Javier Jauregui L.; Dan Potter 2013-6-28 1 Sonoma Santa Rosa. 7806 Bennett Valley Road. 210 Comment
  POM136900  Acer negundo subsp. californicum A. A. Heller, H. E. Brown 1902-4-15 5303 Sonoma Santa Rosa Creek Comment
  SEINET6998157  Achillea borealis subsp. californica Wanda P. Vestal, A. G. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  CAS-BOT-BC30077  Achillea millefolium John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh 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
  UCD128330  Achillea millefolium G. V. Morejohn 1954-5-23 36 Sonoma at roadside, between Petaluma and Dillon Beach. Comment
  CAS-BOT-BC29160  Achyrachaena mollis D. D. Keck 1931-4-2 1000 Sonoma Boyes Springs 30 Comment
  CAS-BOT-BC29158  Achyrachaena mollis D. D. Keck 1933-5-28 2323 Sonoma 3.4 miles east of Shellville (jsut east of intersection of Sonoma Road) Comment
  NY380621  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  CAS-BOT-BC30276  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  JEPS128362  Adiantum aleuticum Roger Raiche 2000-5-28 122 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  JEPS82260  Adiantum capillus-veneris Roger Raiche 1983-6-25 30423 Sonoma ca 1 mi w Laton Mine (headwaters of Austin Creek, The Cedars) 365 Comment
  UCD160314  Adiantum capillus-veneris James A. Neilson Jr. 1975-5-23 3203 Sonoma Truit Creek, Abril property. 2.5 miles south of The Geysers. (Elevation and coordinates estimated by label maker.) 388 Comment
  UC479340  Adiantum jordanii Marcus E. Jones, A. M. 1931-7-5 29165 Sonoma The Geysers Comment
  CDA1677  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  OBI20359  Aesculus californica Dave Morse 1972-7-29 4 Sonoma One mile NE of Cloverdale, on hwy 128 91 Comment
  CAS-BOT-BC183  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC184  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point 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-BC176403  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC209999  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  CAS-BOT-BC376232  Agrostis Greg de Nevers 1992-6-26 10210 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  RSA785754  Agrostis Peter Rubtzoff 1976-6-5 8584 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD166090  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  UC1146693  Agrostis blasdalei Freed W. Hoffman 1943-5-16 2208 Sonoma Death Rock North Coast Ranges, Sonoma Coast, Bodega Park (Bodega Park, Sonoma Coast) Comment
  UC1153787  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma just s Goat Rock (edge of bluffs above the sea, above Blind Beach, ca 9 mi n of Salmon Creek); Sonoma Coast State Park Comment
  UCD51887  Agrostis densiflora Beecher Crampton 1957-7-11 4331 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD52002  Agrostis densiflora Beecher Crampton 1957-7-11 4332 Sonoma Sonoma Coast State Park, 0.9 mile north of Salmon Creek. Comment
  UCD52003  Agrostis densiflora Beecher Crampton 1957-7-11 4343 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  UCD52007  Agrostis densiflora Beecher Crampton 1957-7-22 4357 Sonoma along State Hwy. 1, 0.3 miles north of Stewart's Point. Comment
  RSA129591  Agrostis exarata H. S. Yates 1937-5-31 6565 Sonoma 1 1/2 miles N.W. of Petrified Forest, Calistoga quadrangle 335 Comment
  SD180634  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma Northeast Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. Ao mile east of Geyser Resort area, Big Sulfur Creek. Comment
  UCD52223  Agrostis exarata var. pacifica Beecher Crampton 1957-7-22 4380 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC139556  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC138856  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma 6.5 miles north of Sonoma, State Highway 12. Comment
  UCR280134  Agrostis microphylla Peter Rubtzoff, H. A. Froebe 1971-5-30 6501 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  HSC100967  Agrostis microphylla Peter Warner, Sarah Gordon 2011-5-27 206 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 53 Comment
  UCD53067  Agrostis microphylla var. intermedia L. Whitney 1935-4-14 2258 b Sonoma Blunden's Pasture near Occidental. Comment
  CAS-BOT-BC139119  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  SEINET7594115 Image available Agrostis pallens A. S. Hitchcock 1908-1 2675 Sonoma Cloverdale, Cloverdale Comment
  CAS-BOT-BC138594  Agrostis stolonifera 1947-6-26 11842 Sonoma Cunningham Marsh ca. 1 mile (airline) southwest of Cunningham Station. Comment
  RSA129082  Aira caryophyllea H. S. Yates 1934-4-21 3822 Sonoma Near Duncan Mills. Comment
  RSA244322  Aira caryophyllea Larry E. DeBuhr 1973-5-18 1098 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UCD165152  Aira caryophyllea Peter Rubtzoff 1974-5-18 7438 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  UCD55791  Aira caryophyllea var. capillaris R. Tofsrud 1941-5-1 151 Sonoma Kenwood. Comment
  CAS-BOT-BC138215  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1952-6-10 1213 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  JEPS97571  Aira praecox R. D. Stone 1980-11-28 325 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. 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
  RSA790058  Alisma Peter Rubtzoff 1965-6-20 5558 Sonoma Petaluma Creek, 4 miles northeast of Petaluma (on Stoney Point Road). Comment
  RSA790059  Alisma Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point. Comment
  UCR244502  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  CAS-BOT-BC173649  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC445343  Alisma lanceolatum Peter Rubtzoff 1959-9-13 4265 Sonoma Vacation Beach, near (2 mi. below) Guerneville. Comment
  CAS-BOT-BC445349  Alisma lanceolatum Peter Rubtzoff 1958-7-20 3783 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road). Comment
  CAS-BOT-BC445464  Alisma triviale Peter Rubtzoff 1961-7-22 4667 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC156311  Alismataceae Peter Rubtzoff 1955-5-21 1880 Sonoma Ross Marsh Comment
  CAS-BOT-BC462384  Allium amplectens L. S. Rose 1931-4-28 s.n. Sonoma Between Black Point and Shellville Comment
  HSC2927  Allium amplectens Beecher Crampton 1966-5-10 7731 Sonoma 6.5 mi. N of Sonoma, Hwy. 12 Comment
  RSA601311  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  JEPS83012  Allium falcifolium Roger Raiche 1984-4-21 40105 Sonoma about 6 mi n Cazadero (headwaters of Big Austin Creek); The Cedars 243 Comment
  CAS-BOT-BC474309  Allium unifolium Mark Okada 1975-5-25 s.n. Sonoma Springs Rd Comment
  CAS-BOT-BC474311  Allium unifolium Peter Rubtzoff 1962-5-30 4852 Sonoma Freestone Marsh Comment
  CAS-BOT-BC371473  Allium vineale Greg de Nevers 1994-6-29 10527 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the road below Red Corral. 400 Comment
  CAS-BOT-BC171434  Alnus rhombifolia Marcus E. Jones 1982-7-17 3484 Sonoma Duncan's Mills Comment
  CAS-BOT-BC169371  Alnus rubra Mary P. Wells; John Madison; Mary Rhyne 1985-11-4 702 Sonoma ca 1/3 mile S of Gualala River at edge of forest Comment
  RSA800594  Alnus rubra Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  UCD110041  Alnus rubra Mary M. Hektner 1974-7-5 127 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR244612  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 mi south of Freestone 64 Comment
  RSA129282  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5619 Sonoma Near Green Valley school. 91 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
  RSA262221  Alopecurus saccatus Peter Rubtzoff 1969-5-24 6066 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road. 427 Comment
  RSA234553  Amaranthus retroflexus Peter Rubtzoff 1971-8-31 6665 Sonoma Todd Road near Stony Point Road Comment
  RSA29215  Ambrosia chamissonis var. chamissonis E. K. Balls 1953-10-9 18595 Sonoma South end of Doran Park, Bodega Bay, Hwy 1 3 Comment
  POM141360  Amelanchier pallida A. A. Heller 1902-7-1 5794 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC135669  Amelanchier utahensis D. E. Breedlove 1980-6-27 44779 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1127783 Image available Amelanchier utahensis E. Armstrong 1934-3-26 942 Sonoma 3 mi e Camp Meeker; Sebastopol Quad. 91 Comment
  UC466778  Amelanchier utahensis H. P. Chandler 1907-4-27 7546 Sonoma St. Helena to Santa Rosa via Spring Mt. Comment
  CAS-BOT-BC135663  Amelanchier utahensis Robert Owen 1928-5-1 s.n. Sonoma Rio Nido Comment
  CAS-BOT-BC154124  Ammannia coccinea Peter Rubtzoff 1956-9-16 2922 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  UCD127158  Ammi majus K. Esau 1935-7-19 s.n. Sonoma Near Petaluma. Comment
  CAS-BOT-BC137886  Ammophila arenaria John H. Thomas 1969-9-21 15472 Sonoma Coastal strand, near mouth of Russian River. Comment
  UCD56000  Ammophila arenaria Freed W. Hoffman 1941-6-22 2086 Sonoma North Coast Ranges, Sonoma Coast, Death Rock Beach. Comment
  CAS-BOT-BC177228  Amorpha californica var. napensis Dr. W. B. Stephens s.n. Sonoma Near Calistoga west of Petrified Forest Comment
  CAS-BOT-BC177227  Amorpha californica var. napensis Michener; Bioletti 1893-5-1 s.n. Sonoma Nun's [Canon] Canyon Comment
  CAS-BOT-BC222281  Amsinckia John Thomas Howell 1934-3-26 11787 Sonoma Southwestern base of Mt. Hood Comment
  RSA177955  Amsinckia intermedia R. F. Thorne 1965-4-20 34329 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC1084547  Amsinckia spectabilis Peter Kamb 1952-5-30 2300 Sonoma n of Bodega Head (dunes between Bodega Harbor and the ocean) 6 Comment
  UC1303044  Amsinckia spectabilis Roxana S. Ferris 1932-5-27 8257 Sonoma Bodega Bay Comment
  SEINET2028844 Image available Anagallis arvensis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15219 Sonoma 2 miles north of Kellogg Comment
  RSA785704  Anagallis arvensis Carrie A. Herd 1982-5-19 117 Sonoma Rohnert Park, C.S.U. Sonoma, Cluster School Building closest to Nichols Hall. Comment
  UCD117444  Anagallis arvensis Charles B. Heiser Jr. 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  UC1057473  Anemone oregana G. Thomas Robbins 1940-3-21 298 Sonoma ca 6 mi e Windsor (foothills, canyon e of Chalk Hill rd) Comment
  HSC71392  Angelica californica J. M. DiTomaso 1980-6-13 1602 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  HSC71481  Angelica californica J. M. DiTomaso 1980-6-13 1596 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  SD109160  Angelica californica Joseph M. DiTomaso 1980-6-13 1592 Sonoma 4900 Trinity Road, between Glen Ellen and Oakville Comment
  CAS-BOT-BC271443  Anisocarpus madioides John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54015 Sonoma Fairfield Osborn Preserve of teh Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC173818  Anthemis cotula Peter Rubtzoff 1959-6-13 4139 Sonoma Willow Creek Marsh. Comment
  RSA187522  Anthemis cotula John H. Thomas 1966-3-18 11481 Sonoma Edge of vineyard at Italian Swiss Colony vineyard at Asti, very, very common in vineyards and in disturbed habitats, Sonoma County Comment
  POM261545  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  UCD56134  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2415 Sonoma 2 miles southwest of Windsor. Comment
  UCD56147  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2412 Sonoma 3 miles northeast of Trenton. Comment
  UCD150839  Anthoxanthum aristatum subsp. aristatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma Sonoma County, 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Comment
  UCD85350  Anthoxanthum occidentale M. S. Baker; Virginia Bufford 1936-4-1 245 Sonoma Junction Hwy 1 and road up Gualala. Comment
  UC576279  Anthoxanthum odoratum H. S. Yates 1937-6-6 6583 Sonoma 1 mi e of Duncan Mills 91 Comment
  JEPS14135  Anthriscus caucalis Joseph P. Tracy 1921-5-26 5799 Sonoma Cloverdale Northern Coast Ranges (on road towards Hopland) 304 Comment
  JEPS5335  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum W. L. Jepson 1923-6-28 10004 Sonoma near Kenwood; Sonoma Canyon 243 Comment
  CAS-BOT-BC248904  Antirrhinum virga John Thomas Howell 1932-10-9 10813 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  UC26385  Antirrhinum virga Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena 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
  RSA134224  Aphanes occidentalis Peter H. Raven, H. L. Mason 1957-3-23 10529 Sonoma Grassy hillside 1.1 miles S of Mendocino County line on State Hwy 128, N of Cloverdale Comment
  POM133220  Apiastrum angustifolium C. F. Baker 1892-1 s.n. Sonoma [Unspecified] Comment
  UCD126297  Apiastrum angustifolium Frederica Bowcutt 1996-5-19 2126 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  RSA31667  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  UC1299405  Aquilegia eximia Freed W. Hoffman 1946-9-26 583 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  CAS-BOT-BC394989  Aquilegia formosa D. E. Breedlove 1980-6-28 44802 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC725679  Aquilegia formosa A. A. Heller 1940-5-10 15601 Sonoma near Fort Ross Comment
  CHSC63901  Arabis blepharophylla John Hale 1990-4-13 24 Sonoma 610 m E. of Austin Creek. 210 Comment
  RSA102086  Arbutus menziesii John H. Redfield 1872-8-28 213 Sonoma Geyser Valley Comment
  SEINET7258086  Arbutus menziesii L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa Comment
  UC1389135  Arctostaphylos A. E. Wieslander 1938-10-29 833 Sonoma Vine Hill Comment
  CAS-BOT-BC25319  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10958 Sonoma Serpentine ridge, 2 miles E of Occidental Comment
  CAS-BOT-BC25321  Arctostaphylos bakeri Alice Eastwood; John Thomas Howell 1939-4-2 7376 Sonoma Near camp marker on road to Monte Rio Comment
  CAS-BOT-BC25322  Arctostaphylos bakeri Gladys L. Smith 1977-3-30 4652 Sonoma Summit area of Harrison Grade, serpentine outcrop 457 Comment
  OBI14769  Arctostaphylos bakeri Robert F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  UC1120877  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 707 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC1422535  Arctostaphylos bakeri Joe Wagner 1977-11-27 Sonoma 11034 Peaks Pike Rd. Harrison Grade Serpentine Syncline (western fringe area), Se Comment
  UC876383  Arctostaphylos bakeri Lewis S. Rose 1934-2-22 34032 Sonoma 2 mi e Occidental (type locality) Comment
  UCD50406  Arctostaphylos bakeri E. Armstrong 1934-3-26 932 Sonoma 3 m. N. Camp Meeker. 91 Comment
  RSA622705  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24697 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622710  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24706 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  UCD50474  Arctostaphylos bakeri subsp. bakeri Roman Gankin; W. R. Hildreth 1967-10-4 1074 Sonoma Harrison Grade Road, near summit, east of Occidental. Comment
  UCD50475  Arctostaphylos bakeri subsp. bakeri Roman Gankin; W. R. Hildreth 1967-10-4 1075 Sonoma Harrison Grade Road, near summit, east of Occidental. Comment
  CAS-BOT-BC27178  Arctostaphylos bakeri subsp. sublaevis P. V. Wells 1967-6-18 61867 Sonoma The Cedars, divide ridge above Big Austin Creek, near Cazadero Comment
  JEPS38622  Arctostaphylos canescens Willis L. Jepson 1894-7-19 14699 Sonoma Mt. St. Helena Napa River Basin Comment
  RSA622723  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24768 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC23851  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5761 Sonoma Rincon Ridge, near Santa Rosa Comment
  CAS-BOT-BC23898  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10945 Sonoma Rincon Ridge, near Santa Rosa Comment
  SEINET11998365  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I.; Wells, P. V. 1985-1 6376 Sonoma Santa Rosa, Rincon Ridge, Montecito Drive & Rockridge Road, Finley property 122 Comment
  CAS-BOT-BC23604  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC24994  Arctostaphylos densiflora John Thomas Howell 1945-5-30 20910 Sonoma Vine Hill School Comment
  CAS-BOT-BC25024  Arctostaphylos densiflora John Thomas Howell 1933-4-2 10948 Sonoma 8 miles W of Santa Rosa. Comment
  UC535026  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House (some hundreds of yds e from type locality) Comment
  UCSB23053  Arctostaphylos densiflora McMinn, Howard 1936-4-5 Sonoma Just west of Vine Hill School, 16 miles west of Santa Rosa Comment
  CAS-BOT-BC23286  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1986-3-23 5367 Sonoma On Geysers Road near Mercuryville at junction of private road to Sulphur Peak. 822 Comment
  LA42169  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell; 1933-4-2 10941 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA177968  Arctostaphylos glandulosa subsp. cushingiana R. F. Thorne 1965-4-20 34347 Sonoma Top of Parker Hill ( N end of Parker Hill Road). ca. 3 miles N of Santa Rosa 244 Comment
  RSA339411  Arctostaphylos glandulosa subsp. glandulosa Walter Knight, Ijra Knight, Stephen Edwards 1985-1-27 5173 Sonoma 7.7 miles from west end of Sonoma Lake bridge on Rockpile Road Comment
  RSA339396  Arctostaphylos glandulosa subsp. glandulosa Roger Raiche 1985-9-30 RR- 50905 Sonoma Santa Rosa, Parker Hill near end of Parker Hill Road. 244 Comment
  RSA631184  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24726 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631190  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24727 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA364261  Arctostaphylos hispidula Roger Raiche 1984-1-14 40016 Sonoma Rockpile Road, 9.1 miles northwest of its intersection and beginning at Stewarts Point- Skaggs Springs Rd. 502 Comment
  SEINET11993016  Arctostaphylos hispidula W. Knight, Knight, I.; Edwards, S. W. 1985-1 5172 Sonoma S of Mt. Tom, 5.1 mi W of Kelly Road from Rockpile Road junction 610 Comment
  CAS-BOT-BC24407  Arctostaphylos manzanita Roger Raiche; Steve Edwards 1983-6-9 100 Sonoma The Cedars, w. of ridge on Twitchell property near Cazadero. 274 Comment
  CDA11186  Arctostaphylos manzanita G. F. Hrusa 1989-1-2 5803 Sonoma North Coast Biodiversity Arena; NW side of Mt. St. Helena near summit of Chalk Mtn. off Ida Clayton Rd. Comment
  OBI54985  Arctostaphylos manzanita H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Ave hwy, W of Santa Rosa Comment
  RSA633064  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24710 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  CAS-BOT-BC24403  Arctostaphylos manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4758 Sonoma Parker Hill Road, Santa Rosa. 182 Comment
  RSA633053  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27485 Sonoma Lake Sonoma Overlook off Stewarts Road. 250 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
  SEINET11989192  Arctostaphylos manzanita S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge N of Cazadero, NW of King Ridge Road at source of Big Austin Creek Comment
  CAS-BOT-BC38908  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11298 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38921  Arctostaphylos manzanita subsp. glaucescens P. V. Wells; Walter Knight; Irja Knight 1986-1-10 5223 Sonoma Next to Carlton Spridegeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC38922  Arctostaphylos manzanita subsp. glaucescens P. V. Wells; Walter Knight; Irja Knight 1986-1-10 5223 Sonoma Next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC38679  Arctostaphylos manzanita subsp. manzanita Steve Edwards; Roger Raiche; Walter Knight; Irja Knight 1983-7-3 4752 Sonoma The Cedars, near Cazadero 274 Comment
  CAS-BOT-BC38685  Arctostaphylos manzanita subsp. manzanita Alice Griffin 1923-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC38699  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa Comment
  CAS-BOT-BC38713  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1952-3-22 870 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38717  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-3-9 3899 a Sonoma Vine Hill district on Frei Bros. Ranch Comment
  CAS-BOT-BC38720  Arctostaphylos manzanita subsp. manzanita William R. Dudley 1895-2-22 s.n. Sonoma Knight's Valley Comment
  CAS-BOT-BC38741  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-11-15 788 Sonoma Hood's Peak, on road below Johnson Lake. Comment
  CAS-BOT-BC38742  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1963-8-23 279 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC38750  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-2-28 55007 Sonoma 2 mi. w. of Graton, road to Occidental 121 Comment
  CAS-BOT-BC38882  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5772 Sonoma Vine Hill District, 10 miles west of Santa Rosa. Comment
  RSA177969  Arctostaphylos manzanita subsp. manzanita R. F. Thorne 1965-4-20 34345 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  UC1043527  Arctostaphylos manzanita subsp. manzanita P. C. Everett and E. K. Balls 1954-10-20 20379 Sonoma off Hwy 12 about 2 mi ne Santa Rosa; Rincon Ridge 137 Comment
  UC1193143  Arctostaphylos manzanita subsp. manzanita G. W. Tourtillott 1950-5-5 15 Sonoma 1/2 mi e Hale Ranch; Quad 60B3, Sulphur Creek 243 Comment
  CAS-BOT-BC38690  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1939-1-15 14596 Sonoma Booth place, Knight's Valley Comment
  RSA94311  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Dry, open area separating the western branch of the Upper Marsh from the eastern. Comment
  SEINET11994911  Arctostaphylos manzanita subsp. manzanita W. Knight, Knight, I. 1987-1 6084 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  HSC99997  Arctostaphylos nummularia subsp. nummularia J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12693 Sonoma Salt Point State Park Comment
  SBBG115507  Arctostaphylos nummularia subsp. nummularia A. T. Leiser 1968-1-16 Sonoma Sea Ranch 106 Comment
  CAS-BOT-BC47334  Arctostaphylos stanfordiana Alice Eastwood 1915-6-5 4558 Sonoma Petrified Forest. Comment
  JEPS78746  Arctostaphylos stanfordiana Edward Lee 1936-5-3 2017 Sonoma 13.7 mi (by road) from Santa Rosa (Sonoma-Santa Rosa Road) Comment
  JEPS98851  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 868 Comment
  LA88609  Arctostaphylos stanfordiana Robert F. Thorne; 1965-4-20 34344 Sonoma top of Parker Hill, N end of Parker Hill Rd, ca. 3 mi. N of Santa Rosa 243 Comment
  RSA636806  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24755 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  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
  JEPS95230  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  UCD51002  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1985-2-3 50041 Sonoma Sonoma County, California, unnamed ridge west side of Dry Creek Valley, n of Crane Cr. and s of Bradford Mt Comment
  SBBG34139  Arctostaphylos stanfordiana subsp. stanfordiana R. Gankin 1966-3-3 691 Sonoma S of Hooker Cyn at a point directly opposite Cyn from Cavedale Rd, 3.1 mi E of jct with St Hwy 12 Comment
  SBBG50845  Arctostaphylos stanfordiana subsp. stanfordiana S. E. Wheaton 1966-3-27 28 Sonoma overlooking Hooker Cyn near Cavedale Rd Comment
  RSA96695  Arctostaphylos stanfordiana subsp. stanfordiana P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20376 Sonoma 4 mi. s.w. of Lake-Sonoma Co. line, n.w. to w. slope Mt. St. Helena. 640 Comment
  CDA11141  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11552 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Comment
  HSC7738  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 502 Sonoma Layton Mine, Austin Creek Comment
  RSA202101  Arctostaphylos viscida subsp. pulchella Freed W. Hoffman 1947-2-28 762 Sonoma Near Guerneville, headwaters of Gilliam Creek. Comment
  UC6150  Aristolochia californica F. T. Bioletti May, 1891 Sonoma Comment
  CAS-BOT-BC400482  Aristolochia californica Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano. (Southwest of Guernewood Park, across the river from Vacation Beach, acc. to map.) [Locality info from collection label and annotation label combined.] Comment
  SEINET7253522 Image available Armeria maritima subsp. californica W. L. Jepson 1931-1 15944 Sonoma Salmon Creek Comment
  CAS-BOT-BC361354  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA0056430  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway. Comment
  UCD164250  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone marsh. Comment
  CAS-BOT-BC90098  Artemisia Mary P. Wells 1988-9-7 965 Sonoma Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC90489  Artemisia douglasiana G. DeNevers 1981-6-6 1446 Sonoma at the first Pepperwood entrance, Pepperwood Ranch Comment
  SD41469  Artemisia douglasiana Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay Comment
  CAS-BOT-BC400605  Asarum caudatum Peter Rubtzoff 1951-6-17 284 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  SBBG1379  Asarum caudatum H. and M. Dearing 1939-5-15 3381 Sonoma N of Fort Ross Comment
  UCD137840  Asarum caudatum Walter Russell 1947-3-5 19 Sonoma near Sebastopol. Comment
  POM130171  Asclepias fascicularis A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC222859  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains 975 Comment
  SEINET197693  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains. 975 Comment
  UC972154  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma near Socrates Mine road junction with Pine-Flat-Middletown road; Inner North Coast Ranges, Mayacamas MOuntains 975 Comment
  UCD168056  Asclepias solanoana James Neilson 1978-6-17 3967 Sonoma Mayacmas Mountains, near Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  RSA224317  Asparagus officinalis Peter Rubtzoff 1961-8-26 4726 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  RSA164631  Aspidotis densa P. C. Everett 1963-11-21 24565 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  SEINET11718421  Aspidotis densa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -244 Sonoma end of Stoetz Road 200 Comment
  RSA94282  Aster chilensis Peter Rubtzoff 1951-9-2 720 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC186742  Astragalus gambelianus Greg de Nevers; Frank Almeda 1987-4-11 8141 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC186820  Astragalus gambelianus A. A. Heller; H. E. Brown 1902-4-4 5214 Sonoma Hills East of Santa Rosa Comment
  SEINET7067264  Astragalus gambelianus A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC66006  Athyrium filix-femina Mary P. Wells 1984-7-21 387 Sonoma The Hot Spot (by the Gualala River South Fork) The Sea Ranch Comment
  CAS-BOT-BC66010  Athyrium filix-femina Greg de Nevers 1996-9-1 10870 Sonoma Ida Clayton Road over Mt. St. Helena 914 Comment
  CAS-BOT-BC17428  Athysanus pusillus A. A. Heller; H. E. Brown 1902-3-24 5142 Sonoma Hills East of Santa Rosa. Comment
  OBI48871  Athysanus pusillus Michener & Bioletti, Bioletti April1893 s.n. Sonoma Adobe Canon Comment
  UC850844  Atriplex leucophylla Milo S. Baker 1932-6-10 5877 Sonoma next beach n Salmon Cr; n of Salmon Cr Comment
  UCD56267  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3563 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC145719  Avena fatua David L. Morgan 1956-5-7 s.n. Sonoma 1 mile east of Shellyville Railroad station on Cal. Hwy. 12. Comment
  CAS-BOT-BC145729  Avena sativa David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road, 0.5 mile west of junction of Arnold Drive. Comment
  CAS-BOT-BC98650  Baccharis douglasii Catherine Best 1983-10-12 904 Sonoma Growing along the creek near Occidental Road at the north edge of Occidental Comment
  RSA94308  Baccharis douglasii Peter Rubtzoff 1951-8-4 575 Sonoma Open area between the Upper and Lower marshes Comment
  CDA36850  Baccharis pilularis CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC372570  Baccharis pilularis Marcus E. Jones, A. M. 1882-7-8 Sonoma Duncan's Mills 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-BC99599  Baccharis pilularis Walter Knight; Irja Knight 1963-9-29 233 Sonoma On freeway fill 200 yds southbound from Lakeville highway Comment
  LA203024  Baccharis pilularis subsp. pilularis C. B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2.4 mi. N of mouth of Russian River 60 Comment
  CAS-BOT-BC145836  Beckmannia syzigachne Michener; Bioletti 1893-6-10 114 Sonoma Kenwood. Comment
  JEPS97716  Beckmannia syzigachne Annetta M. Carter 1934-4-29 508 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  POM206250  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Sonoma West of Windsor near Russian river. Comment
  RSA129086  Beckmannia syzigachne H. S. Yates 1937-5-6 6576 Sonoma Near Wildwood; Santa Rosa 122 Comment
  UCD129544  Bellis perennis Mary M. Hektner 1975-4-29 189 Sonoma Sea Ranch, near State Highway 1. Comment
  JEPS26041  Bidens frondosa Lewis S. Rose 1960-9-14 60092 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 Comment
  UCR248966  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh Comment
  UCR248951  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  UCR248962  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa, northeast of Gratton 24 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
  JEPS19365  Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma Comment
  JEPS86324  Blennosperma bakeri Jack and Betty Guggolz 1988-2-18 900 Sonoma Kovatch property Comment
  SEINET10768038  Boechera breweri subsp. breweri Donald Loarie 2014-4-20 Loarie s.n. Sonoma S-facing rock wall on a tributary just upstream of the confluence with Sausal Creek, but before reaching the Pine Flat road culvert and the nearby pumping station. Comment
  CAS-BOT-BC154871  Boisduvalia densiflora Peter Rubtzoff 1961-6-23 4644 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154970  Boisduvalia densiflora Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mtn. Lake. Comment
  POM32026  Boisduvalia densiflora var. densiflora A. A. Heller 1902-6-4 5640 Sonoma Santa Rosa. Comment
  RSA94293  Boisduvalia densiflora var. densiflora Peter Rubtzoff 1951-8-5 600 Sonoma Pitkin Marsh near Forestville, western branch of the Upper Marsh Comment
  RSA791579  Boisduvalia glabella Peter Rubtzoff 1962-7-6 4976 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC290567  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1970-8-18 6306 Sonoma 5 miles north of Sears Point. Comment
  SEINET11749892  Bolboschoenus robustus W. Knight, Knight, I. 1984-1 5083 Sonoma Gilardis Resort near Lakeville on Petaluma River 3 Comment
  UCR256116  Boykinia elata Greg de Nevers 1996-6-10 10830 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC570898  Boykinia occidentalis H. L. Mason 1928-7-11 4889 Sonoma canyon two mi n Fort Ross; n of Fort Ross Comment
  CAS-BOT-BC145446  Brachypodium distachyon Barrett Anderson 1987-4-27 3461 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  CDA28562  Brachypodium distachyon D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .268 Sonoma Cavedale Rd. Comment
  HREC396 Image available Brachypodium distachyon Kerry L. Heise 1997-5-8 2025 Sonoma IHRMP study site #6 Asti. 1 1/2 mi south of Asti. Comment
  UCD56890  Brachypodium phoenicoides P. G. Connors 1991-7-8 198 Sonoma Bodega Head and Dunes. Comment
  CAS-BOT-BC36619  Brassica nigra Dorothy Scherer 1996-4-19 032 Sonoma East of Highway 1 and south of Fort Ross Creek. Fort Rose State Histroric Park. 51 Comment
  CAS-BOT-BC36651  Brassica oleracea Mary P. Wells 1989-4-3 977 Sonoma Santa Rosa. Rincon Valley. Streamside of fence east of Friends House. Comment
  CAS-BOT-BC36652  Brassica oleracea Mary P. Wells 1989-4-3 977 Sonoma Santa Rosa. Rincon Valley. Streamside of fence east of Friends House. Comment
  CAS-BOT-BC173643  Brassicaceae Peter Rubtzoff 1970-10-29 6422 Sonoma Marsh in dunes south of U.C. Bodega Marine Laboratory dormitory Comment
  CAS-BOT-BC182745  Brassicaceae Peter Rubtzoff 1969-6-15 6097 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  UC1222965  Brickellia californica Joseph P. Tracy 1947-10-6 17938 Sonoma w of Knight's Valley (gravel bar along Mayacamas Creek); Mayacamas Creek Comment
  UC768694  Briza maxima Robert F. Hoover 1941-5-14 5102 Sonoma hills n Bodega Comment
  CAS-BOT-BC145481  Briza maxima L. Beane; Lois E. James 1949-5-16 1949 Sonoma About 3 miles south of Cloverdale. Comment
  SEINET3128635  Briza maxima M. A. King 1897-1 sn Sonoma Near Healdsburg Comment
  SEINET5717720 Image available Briza maxima Anthony Tin Yan Tse 1972-1 3 -4 Sonoma 2 miles south of Jenner of Highway 1, Sonoma County, California.; Jenner Comment
  CAS-BOT-BC145289  Briza minor John Thomas Howell 1935-5-5 12607 Sonoma Kenwood. Comment
  CAS-BOT-BC145283  Briza minor David L. Morgan 1956-5-6 s.n. Sonoma On the Petaluma - Valley Ford road near Robler Road. Comment
  CAS-BOT-BC145301  Briza minor Saichi Kawahara 1968-4-20 307 Sonoma 100 yards south of Cannon Lane, off Lakeville Road. 3 Comment
  CAS-BOT-BC123412  Brodiaea californica var. leptandra Amos Arthur Heller 1902-6-23 5742 Sonoma Petrified Forest Comment
  CAS-BOT-BC132208  Brodiaea californica var. leptandra Milo S. Baker 1925-6-1 234 a - local Sonoma Adobe [Canon] Canyon above Kenwood Sp. Comment
  JEPS74716  Brodiaea elegans subsp. elegans Eleanor Armstrong 1932-5-26 480 Sonoma 1 1/2 mi e Camp Meeker 121 Comment
  JEPS86359  Brodiaea elegans subsp. elegans Jack and Betty Guggolz 1988-6-13 948 Sonoma n side Pine Flat Road (7.9 mi from junction Pine Flat Road with Highway 128) Comment
  UC1442867  Brodiaea elegans subsp. elegans Theodore F. Niehaus 1966-5-29 692 Sonoma on n side Guerneville Road 0.2 mi n junction of Ridely Ave; northeast Santa Rosa Comment
  CAS-BOT-BC484389  Brodiaea elegans subsp. elegans G. DeNevers 1981-6-27 1682 Sonoma Pepperwood Ranch, walk up the creek from Franz Valley Road through the Devil's Kitchen, west of creek Comment
  UCD77137  Brodiaea leptandra Robert E. Preston 2004-6-26 2264 Sonoma Ca. 2 mi NE of Santa Rosa, along St. Helena Rd 234 Comment
  UCD77158  Brodiaea stellaris Robert E. Preston 2005-6-11 2351 Sonoma Ca. 4 mi W of Occidental, along Coleman Valley Rd 314 Comment
  CAS-BOT-BC486526  Brodiaea stellaris Roxana S. Ferris; Laura Lorraine 1961-6-15 13574 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UC353798  Brodiaea terrestris subsp. terrestris Milo S. Baker 1928-4-28 3002 b Sonoma Pitkin Swamp Comment
  CAS-BOT-BC486465  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Rimo Bacigalupi 1971-6-10 6528 Sonoma South side of W. Railroad Ave. between Fwy. 101 and Stony Point Rd. Comment
  CAS-BOT-BC486470  Brodiaea terrestris subsp. terrestris Catherine Best 1983-6-10 s.n. Sonoma Salt Point, on bluff above the ocean Comment
  CAS-BOT-BC311835  Bromus Peter Rubtzoff 1971-5-30 6458 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC328121  Bromus Peter Rubtzoff 1964-5-31 5331 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River. Comment
  SBBG33935  Bromus carinatus L. S. Rose 1962-4-18 62024 Sonoma 1 mi NW of Freestone 76 Comment
  UCD58258  Bromus carinatus Collector unknown 1941-6-1 Sonoma Santa Rosa. Veteran's Park. Comment
  CAS-BOT-BC149088  Bromus carinatus var. carinatus John H. Thomas 1976-6-16 18343 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC909756  Bromus carinatus var. carinatus Milo S. Baker Apr 1950 12160 Sonoma w of Mellita (Montgomery Drive); Montgomery Drive Comment
  CAS-BOT-BC155955  Bromus commutatus John Thomas Howell 1947-6-26 23305 Sonoma Cunningham Marsh. Comment
  RSA127002  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 miles S. W. of Healdsburg 152 Comment
  CAS-BOT-BC422358  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC155661  Bromus diandrus G. DeNevers 1981-4-8 672 Sonoma Pepperwood Ranch. Pippindale Farm. Cresta Stable. 3000 Mark West Springs Road. Comment
  UCD38532  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti, Italian Swiss Colony Winery. Comment
  UCD58617  Bromus hordeaceus Beecher Crampton 1959-6-16 5370 Sonoma 0.2 miles E of Occidental. Comment
  UCD58707  Bromus hordeaceus Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  SEINET10901199  Bromus hordeaceus A. Arthur Heller 1902-4-17 Heller 5325 Sonoma Santa Rosa. Comment
  CAS-BOT-BC162397  Bromus laevipes G. DeNevers 1981-5-9 1101 Sonoma Pepperwood Ranch. South of Redwood Canyon. Comment
  CAS-BOT-BC175469  Bromus laevipes Catherine Best 1995-6-17 s.n. Sonoma Pepperwood Nature Preserve (property of California Academy of Sciences) Comment
  SBBG20731  Bromus laevipes M. S. Walters 1960-6-18 Sonoma ca. 1.5 mi E of Russian River bridge at Guerneville on St Hwy 12 Comment
  UCD144423  Bromus laevipes Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1752 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  CAS-BOT-BC162256  Bromus maritimus Peter H. Raven 1963-4-28 18249 Sonoma Between town of Bodega Bay and Bodega Head. Comment
  UCD37570  Bromus racemosus Beecher Crampton 1955-4-5 2419 Sonoma 3 miles northwest of Cotati, Laguna de Santa Rosa, Llano Road. Comment
  RSA656751  Bromus racemosus Beecher Crampton 1956-4-24 3309 Sonoma Healdsberg, vacant lot at junction of Prince and Sherman Streets. Comment
  CAS-BOT-BC36909  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC36918  Cakile maritima var. maritima Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma About 2.2 miles north of Bay near mouth of Salmon River. Comment
  UC1779151  Calamagrostis bolanderi Barbara L. Wilson, Sami Gray 1997-7-31 8900 Sonoma Sea Ranch; Big Tree loop trail, which originates between unites [sic] 27A and 29A off Timber Ridge Road, off Deerfield Loop, off Hwy 1 170 Comment
  UCR254900  Calamagrostis crassiglumis Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC185121  Calamagrostis nutkaensis Mary P. Wells 1981-8-30 s.n. Sonoma Up Moonraker Road east of Highway #1, The Sea Ranch. Comment
  SEINET253574 Image available Calamagrostis nutkaensis Barbara L. Wilson 1997-7-30 8902 Sonoma Salt Point State Park; Swale in grassy headland by the sea. 15 Comment
  UC1146619  Calamagrostis nutkaensis Freed W. Hoffman 1941-7-27 2219 Sonoma Bodega Bay North Coast Ranges (coastal strand) Comment
  UCD57512  Calamagrostis nutkaensis Beecher Crampton 1957-7-11 4349 Sonoma ca. 9 miles north of Salmon Creek, just south of Goat Rock, Sonoma Coast State Park, above Blind Beach. Comment
  UCD57532  Calamagrostis nutkaensis P. B. Kennedy 1915-1 s.n. Sonoma Del Mar Ranch. Comment
  RSA94458  Calamagrostis nutkaensis Peter Rubtzoff 1952-5-21 1058 Sonoma The Pitkin Marsh, near Forestville; Western branch of the Upper Marsh. Comment
  UCD57533  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2185 Sonoma North Coast Ranges, Oregon Canyon. Comment
  RSA176434  Calendula arvensis Peter H. Raven 1963-4-28 18257 Sonoma Just west of El Verano. Comment
  CAS-BOT-BC290681  Callitriche heterophylla Peter Rubtzoff 1971-5-8 6450 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UC869395  Callitriche heterophylla Leo Koch 1939-5-15 630 Sonoma e of Petaluma (Hamilton ranch 1 mi, from Old Adobe) Comment
  RSA247438  Callitriche verna Peter Rubtzoff 1967-7-30 5847 Sonoma Guerneville March. Comment
  JEPS78289  Calochortus amabilis Susan Smith, Jim Roof, and Barbara Deutach 1979-6-17 Sonoma about 8 mi w Calistoga (along Calistoga road) Comment
  UC400140  Calochortus amabilis Ynes Mexia 1929-6-2 2393 Sonoma near Mark West Springs Comment
  UC672157  Calochortus amabilis Herbert L. Mason 1934-4-28 8068 Sonoma Jensen's Ranch Dohrman Creek Comment
  SEINET3884895  Calochortus amabilis James Grimes 1981-4-29 1976 Sonoma Above Highway 128 about 1.2 miles north of U.S. 101, north of Cloverdale.; 0 Comment
  CAS-BOT-BC492635  Calochortus luteus A. Day 1982-6-1 82 -63 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC492643  Calochortus luteus Carl Purdy No date on label. s.n. Sonoma Sonoma Co Comment
  RSA515348  Calochortus tolmiei F. Sibal 1965-5-29 s.n. Sonoma Hwy 1 between Anchor Bay and Gualala. 152 Comment
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Mar 30 2015
  UC3486  Calochortus uniflorus W. H. Brewer 1864-1 3960 Sonoma Mark West Comment
  UC672143  Calochortus uniflorus A. E. Borell 1928-4-13 148 Sonoma Petaluma Comment
  UC1299336  Calochortus vestae Freed W. Hoffman 1950-5-27 3598 Sonoma Gilliam Creek, a branch of East Austin Creek North Coast Ranges, Morrison Ridge, East Austin Creek Comment
  UCR256115  Calycadenia truncata Greg de Nevers 1997-7-29 11072 Sonoma North Coast Range, near Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC90996  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek. Comment
  CAS-BOT-BC91011  Calycanthus occidentalis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs. Comment
  CAS-BOT-BC91012  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mile east of junction with Harrison Grade Road. Comment
  RSA22257  Calycanthus occidentalis Blanche Clear 1938-5-28 s.n. Sonoma Geyserville toward Alexander Valley. Comment
  SEINET10675438  Calycanthus occidentalis Melvin L. Conrad, Douglas G. LeDoux; David B. Dunn 1973-6-8 Conrad 7078 Sonoma Shrub on shaded bank at end of Neeley Road in Guerneville. 76 Comment
  JEPS64306  Calypso bulbosa Vena Wiley 1908-1 Sonoma Cazadero Comment
  UC7776  Calyptridium umbellatum H. N. Bolander 1864-1 3973 Sonoma within 8 or 9 yards of The Geysers Comment
  UCD126065  Calystegia collina Jennifer Bury; Peggy Herzog 1993-5-8 275 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  UCR178425  Calystegia occidentalis subsp. occidentalis Frederica Bowcutt 1996-5-24 2163 Sonoma Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco and c. 10 air mi east of Santa Rosa; 2.5 air mi NE of Kenwood; c. 18 air mi NW of Napa. C. 1.2 air miles south of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence 366 Comment
  UCD160869  Calystegia purpurata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3295 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
  SEINET12329965  Calystegia purpurata subsp. purpurata F. H. Utech 1986-1 86 -097 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  CAS-BOT-BC224736  Calystegia purpurata subsp. saxicola Alice Eastwood 1899-4-1 s.n. Sonoma Bodega Point Comment
  SD88401  Calystegia purpurata subsp. saxicola Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  CAS-BOT-BC498777  Camassia quamash subsp. linearis J. W. Congdon 1880-5-16 s.n. Sonoma Sebastopal Road, Mariposa Comment
  CAS-BOT-BC498778  Camassia quamash subsp. linearis Peter Rubtzoff 1957-5-11 3326 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC498783  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  JEPS61558  Camassia quamash subsp. quamash Eleanor Armstrong 1933-4-1 656 Sonoma near Occidental Comment
  RSA29336  Camissonia cheiranthifolia subsp. cheiranthifolia E. K. Balls 1953-10-9 18597 Sonoma South end of Doran Park, Bodega Bay, Hwy 1 3 Comment
  SD38638  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1932-7-21 4045 Sonoma Bodega Bay. Comment
  JEPS19404  Campanula californica G. Thomas Robbins 1938-6-23 269 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  SEINET10840067  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma Annapolis Comment
  SEINET10840069  Campanula californica Baker 1928-6-28 Baker 30468 Sonoma Pitkin Marsh, Vine Hill District Comment
  SEINET10939079  Campanula californica Baker 1941-8-4 Baker 10165 Sonoma Coast Highway, between Fort Ross and Stewart's Point Comment
  SEINET10972386  Campanula prenanthoides Condit 1908-8-13 CONDIT s.n. Sonoma GUERNEVILLE Comment
  CAS-BOT-BC183626  Capsella bursa-pastoris Peter Rubtzoff 1958-8-9 3841 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  UCR280188  Capsella bursa-pastoris Peter Rubtzoff 1958-8-9 3841 Sonoma Laguna de Santa Rosa, north of Sebastopol, near Occidental Road 20 Comment
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  CAS-BOT-BC37758  Cardamine californica A. A. Heller; H. E. Brown 1902-3-17 5088 Sonoma Hills 8 miles northeast of Santa Rosa. Comment
  CAS-BOT-BC37760  Cardamine californica A. A. Heller; H. E. Brown 1902-3-22 5130 Sonoma West of Sebastapol. Comment
  UC10434  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  UC10435  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  UC1299650  Cardamine californica Freed W. Hoffman 1947-3-11 821 Sonoma headwaters Duvoul Creek (a branch of Dutch Bill Creek and tributary of Russian River); North Coast Ranges, , Dutch Bill Creek, Russian Comment
  CAS-BOT-BC37771  Cardamine californica John H. Thomas 1966-3-22 11535 Sonoma About 2.7 miles from Sebastapol toward Santa Rosa along Highway 12. Comment
  CAS-BOT-BC37772  Cardamine californica Mrs. H. C. Cantelow 1937-3-25 s.n. Sonoma Near Valley Ford. Comment
  UC1057433  Cardamine californica var. californica G. Thomas Robbins 1937-3-25 1 Sonoma bank Sonoma Creek (Bennett Valley); , bank Sonoma Creek Comment
  CAS-BOT-BC38027  Cardamine oligosperma Peter Rubtzoff 1955-5-14 1852 Sonoma Duncans Mills Marsh. In upper portion of marsh. Comment
  CAS-BOT-BC38036  Cardamine oligosperma G. DeNevers 1981-3-30 583 Sonoma Pepperwood Ranch. At Garrison House. Comment
  SEINET12875772 Image available Cardionema ramosissimum Lewis S. Rose 1956-1 56129 Sonoma Bodega Point sand dunes Comment
  UC1795018  Carduus R. K. Brummitt, A. Wolf, and R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat Road near Red Hill 650 Comment
  CAS-BOT-BC281725  Carduus pycnocephalus Alice Eastwood; John Thomas Howell 1938-5-15 5505 Sonoma Near Mark West Springs Comment
  CDA19871  Carduus pycnocephalus P. Lane 2002-5-14 PDR P 092606 Sonoma North Coast Ranges; King St in Petaluma. 0 Comment
  UCD85500  Carduus pycnocephalus Frederica Bowcutt 1984-6-24 464 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Old home site near existing barn along road to Gerstle Cove parking lot. Northwest of Gerstle Cove approx. 1/4 mile. West of Highway 1. 15 Comment
  CAS-BOT-BC281794  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  CAS-BOT-BC422343  Carex Peter Rubtzoff 1976-5-30 8562 Sonoma Kenwood Marsh. Comment
  UCR255693  Carex abrupta Peter Rubtzoff 1957-5-4 3296 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC334523  Carex abrupta Peter Rubtzoff 1957-5-4 3307 Sonoma Duncans Mills Marsh. Comment
  SEINET7546986  Carex albida J. T. Howell, J. W. Stacey 1937-1 Sonoma Comment
  CDA13128  Carex athrostachya G. F. Hrusa, R. Gross 1996-6-3 13063 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  CDA12902  Carex barbarae G. F. Hrusa, R. Gross, F. Luna 1996-3-29 12736 Sonoma North Coast Biodiversity Arena; Understory of Sequoia sempervirens grove at western terminus of Neeley Rd. approx. 2 m. S of Guerneville and 3 m. N of Bohemian Grove along Russian River. Comment
  UCR248934  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  CAS-BOT-BC310302  Carex barbarae Peter Rubtzoff 1971-8-9 s.n. Sonoma Laguna Lake area, Cileno Valley. Comment
  CAS-BOT-BC34026  Carex brevicaulis Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 0.5 mile east of Stoetz Road. 152 Comment
  CAS-BOT-BC110183  Carex buxbaumii Peter Rubtzoff 1951-6-7 129 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UCR248865  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC350936  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC18981  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13040 Sonoma Pitkin Marsh. 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-BC20473  Carex densa John Thomas Howell 1937-7-4 13073 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC242637  Carex densa Peter Rubtzoff 1958-4-26 3603 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC242640  Carex densa Peter Rubtzoff 1958-4-26 3604 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC246550  Carex densa Peter Rubtzoff 1959-5-30 4064 Sonoma Freestone Marsh Comment
  UC1133352  Carex densa H. S. Yates 1936-5-16 5583 Sonoma 1 mi NE of Graton 30 Comment
  UCD112360  Carex densa Peter Rubtzoff 1954-6-7 1488 Sonoma Guerneville Marsh. Comment
  UCD140258  Carex densa Frederica Bowcutt 1994-5-1 1785 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco. About 11 air miles east of Santa Rosa. About 1.5 air miles north of Kenwood. About 18 air miles northwest of Napa. In main campground. Ca. 150 yards south of Sonoma Creek; 1/4 mile NW of confluence with Rattlesnake Creek at toe of Sugarloaf Ridge. 350 Comment
  UCD151306  Carex densa James A. Neilson Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC20471  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  CAS-BOT-BC20472  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 Sonoma Near Asti. Comment
  CAS-BOT-BC20491  Carex densa Catherine Best 1980-4-29 s.n. Sonoma Westerbeke Ranch near El Verano. Comment
  CAS-BOT-BC20492  Carex densa Catherine Best 1981-5-2 s.n. Sonoma Willow Creek Road about 6 miles west of Occidental. Comment
  UC767099  Carex deweyana subsp. leptopoda Robert F. Hoover 1941-5-14 5079 Sonoma 3 mi S of Monte Rio (on road to Camp Meeker) Comment
  SEINET10650312  Carex exsiccata A. Arthur Heller 1902-7-1 Heller 5798 Sonoma Lagoon at Scbastopol. Comment
  SEINET10855708  Carex festiva Henry N. Bolander Bolander 3867 Sonoma Meadow on Russian River, Comment
  UC825094  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  UCR208523  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma North Coast Range, Bennet Mountain Lake Comment
  UCR249912A  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh 120 Comment
  SEINET7558582 Image available Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  UC728666  Carex globosa Milo S. Baker 1941-4-5 9925 Sonoma Calistoga-Franz Valley road 1/2 mi s School House (e a short distance on side of road) Comment
  UC8079  Carex gracilior H. N. Bolander 1866-4 4635 Sonoma Petaluma Comment
  UC857  Carex gracilior H. N. Bolander April 1864 3814 Sonoma near Mark West Creek Comment
  UCR248728  Carex gracilior Peter Rubtzoff 1959-4-18 4029 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  CAS-BOT-BC20458  Carex gracilior J. W. Stacey 1933-4-16 s.n. Sonoma Santa Rosa. Comment
  RSA94275  Carex gracilior Peter Rubtzoff 1952-3-22 866 Sonoma Pitkin Marsh, near Forestville: Western branch of the upper Marsh in partial shade on damp ground Comment
  UC1562593  Carex gynodynama Barbara Ertter with Susan D'Alcamo 1988-5-1 7470 Sonoma meadow across Hwy. 1 from entrance to s-most campground; Salt Point State Park Comment
  CAS-BOT-BC422349  Carex gynodynama Peter Rubtzoff 1957-5-4 3310 Sonoma Duncans 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
  CAS-BOT-BC320574  Carex harfordii Peter Rubtzoff 1964-5-20 5304 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC419694  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  UC767128  Carex hendersonii Robert F. Hoover 1941-5-14 5099 Sonoma hills n Bodega Comment
  UC1026419  Carex lemmonii Peter Rubtzoff 1951-7-8 403 Sonoma near Forestville (Pitkin Marsh, lower part of the upper marsh) Comment
  UCD140690  Carex nudata Beecher Crampton 1956-4-24 3311 Sonoma 7.5 miles northwest of Calistoga. Comment
  CAS-BOT-BC119309  Carex obnupta Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc, The Sea Ranch. Comment
  CAS-BOT-BC119311  Carex obnupta Catherine Best 1981-6-5 s.n. Sonoma Ca 5 mi E of Stewart's Point on Stewart's Point Skaggs Creek Rd. Comment
  JEPS63537  Carex obnupta W. L. Jepson 1931-7-19 15953 Sonoma Russian River near Markham; Russian River Comment
  CAS-BOT-BC119281  Carex ovalis Peter Rubtzoff 1952-5-10 1001 Sonoma Pitkin Marsh, near Forestville. Western Branch of the Upper Marsh. Comment
  RSA51977  Carex pellita J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  UCD77469  Carex rossii Robert E. Preston 1998-5-22 1104 Sonoma Myers Ranch, 2 mi NE of Occidental 152 Comment
  CAS-BOT-BC312706  Carex rostrata Peter Rubtzoff 1971-7-20 s.n. Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC422360  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh. Comment
  UCR248948  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC352236  Carex simulata Peter Rubtzoff 1976-5-30 8561 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC116927  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC116928  Carex subbracteata Peter Rubtzoff 1958-5-1 3626 Sonoma Forestville Marsh. Comment
  SEINET10847110  Carex subbracteata Lewis S. Rose 1939-5-14 Rose 39116 Sonoma Bodega. Wet fields. 30 Comment
  CAS-BOT-BC329286  Carex tumulicola Peter Rubtzoff 1958-5-3 3620 Sonoma Atascadero Creek Marsh. Comment
  UCD140932  Carex tumulicola P. G. Connors 1991-4-11 104 Sonoma Bodega Head and Dunes. Near Lab road and Salmon Creek. BMR 0730N, 4200E. Comment
  SJSU8871  Carex utriculata C. W. Sharsmith 1972-6-24 7805 Sonoma Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol Comment
  HSC33346  Carthamus creticus J. Shelgren, William J. Ferlatte 1973-7-11 1490 Sonoma SE of Santa Rosa Crane Canyon, 1 mile E of Petaluma Hill Rd. 52 Comment
  CAS-BOT-BC281915  Carthamus lanatus John Thomas Howell 1967-6-17 42597 Sonoma Confluence of Galloway and Dry creeks, Arthur E. Cooley Ranch 182 Comment
  CDA6966  Carthamus lanatus T. C. Fuller 1970-5-4 19487 Sonoma East of Monte Vista Lane, south side of Petaluma-Valley Ford Road, 4.2 miles west of Petaluma. 0 Comment
  CDA6987  Carthamus lanatus T. C. Fuller 1970-5-4 19487 Sonoma East of Monte Vista Lane, south side of Petaluma-Valley Ford Road, 4.2 miles west of Petaluma. 0 Comment
  JEPS74987  Castilleja ambigua subsp. ambigua T. I. and F. M. Chuang 1975-7-5 7518 Sonoma s side Pitkin Marsh Comment
  UC103162  Castilleja ambigua subsp. ambigua J. W. Congdon 1880-5-24 Sonoma Petaluma Comment
  UC1239027  Castilleja attenuata Freed W. Hoffman 1947-4-3 881 Sonoma near Guerneville (road to Austin Ranch, headwaters of Fife Creek); North Coast Ranges, Fife Creek Comment
  UCD15832  Castilleja attenuata K. Mawdsley 1998-5-10 30 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Bald Mountain Trail, east of junction with Lower Bald Mountain Trail. 548 Comment
  UCD150844  Castilleja densiflora Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  OBI60005  Castilleja lacera Joseph Andorfer Ewan 1935-5-13 9250 Sonoma Along low places of RR right-of-way. Wright school on Sebastopal rd Comment
  JEPS66231  Castilleja miniata subsp. miniata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6903 Sonoma about south-central Pitkin Marsh (near end of Templeton Road); , about south-central Comment
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Oct 15 2010
  UC614502  Castilleja subinclusa subsp. franciscana L. Constance 1938-4-24 2152 Sonoma 3 mi w Bodega 60 Comment
  UC1341744  Castilleja wightii Noel H. Holmgren and James L. Reveal 1966-6-6 2649 Sonoma 3.5 mi n Bodega Bay (Calif Hwy 1, Coleman Beach); Sonoma Coast, Coleman Beach Comment
  SBBG6848  Castilleja wightii H. and M. Dearing 1929-5-14 3348 Sonoma rd to coast, Russian River Comment
  SD64442  Castilleja wightii Noel H. Holmgren, James L. Reveal 1966-6-6 2650 Sonoma California 1, 2 miles south of California 116 junction, roadbank away from salt spray Comment
  CAS-BOT-BC47799  Ceanothus John Thomas Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  JEPS81592  Ceanothus confusus R. Raiche and K. Zadnik 1982-3-27 20251 Sonoma NW of Hood Mountain (Rincon Ridge) Comment
  UC1281313  Ceanothus confusus H. E. McMinn 1941-4-27 5322 Sonoma Rincon Ridge Comment
  UCD111359  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma 4 miles N of Santa Rosa on road past County Hospital. Comment
  UCD111365  Ceanothus confusus Roger Raiche 1985-11-23 RR 50894 Sonoma west of Dry Creek Valley, Bradford Mountain. 371 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
  CAS-BOT-BC48512  Ceanothus confusus Milo S. Baker 1927-7-3 2332 a Sonoma Cobb Mt. Comment
  OBI10271  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma From Olive orchard, Rincon Ridge Comment
  UCD111374  Ceanothus confusus L. Whitney Date unknown s.n. Sonoma University Hill. Comment
  UCD111750  Ceanothus cuneatus G. F. Hrusa; R. Gross 1996-3-8 12653 Sonoma immediately NW of Chalk Hill. Foote Ranch at corner of Ida Clayton Road and Highway 128. 450 Comment
  UCD112089  Ceanothus cuneatus Frederica Bowcutt 1994-6-25 1911 Sonoma Sugar Loaf 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 miles northwest of Napa. Gray Pine Trail > 0.5 mile north of trailhead on Meadow Trail; east of Sonoma Creek. 445 Comment
  UC1299546  Ceanothus cuneatus var. cuneatus Freed W. Hoffman 1947-5-30 520 Sonoma Layton Mine, Auston Creek North Coast Ranges Comment
  UC909729  Ceanothus divergens Milo S. Baker 1950-5-20 12226 Sonoma Coleman Ranch summit above; Hope Valley Comment
  UC1070622  Ceanothus foliosus A. E. Wieslander 1938-10-29 860 Sonoma 3 mi e Mt. St. Helena; Calistoga quad. 457 Comment
  UC1070626  Ceanothus foliosus R. W. Lundh 1932-6-19 109 Sonoma 1 mi nw Los Alamos School; Santa Rosa quad. 579 Comment
  UC18328  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Comment
  CAS-BOT-BC49906  Ceanothus foliosus var. foliosus Walter Knight; Cliff Schmidt 1987-2-27 6057 Sonoma Cavedale Road 274 Comment
  CAS-BOT-BC49910  Ceanothus foliosus var. foliosus A. A. Heller; H. E. Brown 1902-5-29 5619 Sonoma Mt. Hood Comment
  SBBG4198  Ceanothus foliosus var. foliosus M. Van Rensselaer 1941-4-27 1637 Sonoma Trinity Rd, Mt Hood Range Comment
  CAS-BOT-BC49996  Ceanothus gloriosus Milo S. Baker 1935-4-1 8027 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49949  Ceanothus gloriosus var. exaltatus Milo S. Baker 1931-6-4 6236 Sonoma Vine Hill Region Comment
  CAS-BOT-BC49951  Ceanothus gloriosus var. exaltatus Roman Gankin 1966-3-3 694 Sonoma east of Occidental Ridge on Graton Road, ca. 2.5 miles east of Occidental Comment
  SD42465  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma Along coast, 8I(c) mi. S. Stewarts Poimt at entrance to Salt Point Ranch 29 Comment
  CAS-BOT-BC49953  Ceanothus gloriosus var. exaltatus J. Clausen 1933-3-26 742 Sonoma southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road Comment
  CAS-BOT-BC49976  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  CAS-BOT-BC63739  Ceanothus griseus Alisa S. M. McKenzie 1981-1-31 11 Sonoma Kolmer Gulch, calif. State highway 1 at marker 34. Top of bank w. side of creek, n. side of road. Comment
  CHSC59346  Ceanothus incanus Frederic Hrusa 1989-1-24 5802 Sonoma In moist draws along Ida Clayton Rd. on N slope of Mt. St. Helena. Comment
  CAS-BOT-BC51113  Ceanothus jepsonii Catherine Best 1986-4-1 1170 Sonoma on Stoetz Lane about 2 mi. Northeaset of Occidental Comment
  RSA178027  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UC70452  Ceanothus jepsonii Milo S. Baker 1898-6-11 662 Sonoma near Geysers (Hog Back) Comment
  UCD123963  Ceanothus jepsonii D. O. Burge and K. B. Schroeder 2008-3-7 979 c Sonoma Ridge NW of Duvoul Creek, near confluence with Dutch Bill Creek, roadside on Bohemian Highway, between Camp Meeker and Monte Rio, 7.6 road miles (12.2 km) north of intersection with SR 12, near BM 136, 2.97 km 320 deg. (True) NNW of Camp Meeker. 50 Comment
  UCD112062  Ceanothus jepsonii R. H. Neuns 1950-5-5 104 Sonoma 2 1/2 miles west of Mercuryville. 914 Comment
  CDA9346  Ceanothus jepsonii subsp. jepsonii D. G. Kelch 2006-6-24 6 .325 Sonoma On serpentine along Harrison Grade. Comment
  SEINET12211093  Ceanothus jepsonii var. albiflorus I. Knight, Knightwedwards, S. 1986-1 5360 Sonoma Access from Healdsburg-Geysers Road 975 Comment
  CAS-BOT-BC126848  Ceanothus parryi D. E. Breedlove 1980-6-28 44798 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC51870  Ceanothus parryi H. E. McMinn 1922-6-7 165 Sonoma Camp Meeker Comment
  CAS-BOT-BC51885  Ceanothus parryi Greg de Nevers; Frank Almeda 1987-4-11 8138 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC51890  Ceanothus parryi A. A. Heller; H. E. Brown 1902-4-22 5337 Sonoma Between Santa Rosa and Agua Caliente Comment
  SJSU14042  Ceanothus parryi C. L. Schmidt 1986-4-11 1109 Sonoma Trinity Rd, 1.5 mi E of Hwy 12 198 Comment
  UC634610  Ceanothus parryi Rimo Bacigalupi 1926-5-2 1396 Sonoma Cazadero Comment
  CAS-BOT-BC53035  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Triniti Mt., 2 miles ne. of Glen Ellen Comment
  UCSB25382  Ceanothus sonomensis McMinn, H. 1944-11-5 Sonoma Near old rock quarry about 1-2 miles from Kenwood highway as the Oakville road leads off Comment
  CAS-BOT-BC52347  Ceanothus thyrsiflorus Mary P. Wells 1985-9-13 654 Sonoma Forest no. of junction of Timber Ridge and Longmeadow Roads, The Sea Ranch Comment
  JEPS86737  Centaurea calcitrapa Jack and Betty Guggolz 1990-10-7 1099 Sonoma pasture at the highest point s of N. Gilchrist Road and e of Highway 16 N. Gilchris Road 60 Comment
  CAS-BOT-BC277252  Centaurea solstitialis Walter Knight; Irja Knight 1963-9-29 230 Sonoma Near railroad bridge ca. 1 mi of Petaluma Comment
  JEPS21727  Centaurium trichanthum Lyman Benson 1930-6-18 2165 Sonoma 4 mi s Santa Rosa (San Francisco Bay watershed); North Coast Ranges, San Francisco Bay 60 Comment
  CAS-BOT-BC271541  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC251270  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  UCD97988  Cerastium arvense subsp. strictum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-4 120 Sonoma Unit 28 Owners' Map Sea Ranch, near State Highway 1. Comment
  CDA16230  Ceratophyllum demersum G. F. Hrusa, R. Gross 1998-2-15 14151 Sonoma Knights Valley; Foote Ranch. 0 Comment
  CAS-BOT-BC400230  Ceratophyllum demersum Peter Rubtzoff 1955-7-16 1969 Sonoma Bennett Mtn. Lake Comment
  POM68417  Cercis occidentalis Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC279787  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma Ca. 2 mi. so. of Asti, along U.S. 101 Comment
  CAS-BOT-BC279779  Chamaemelum fuscatum John H. Thomas 1974-3-20 17061 Sonoma Near Asti Comment
  CAS-BOT-BC279788  Chamaemelum fuscatum Philip A. Munz 1952-3-23 17351 Sonoma 2 miles south of Asti Vineyard (Italian Swiss Colony) Comment
  RSA79015  Chamaemelum fuscatum P. A. Munz 1952-3-23 17351 Sonoma 0.5 mile among Vines in vineyard, 2 miles S of Asti Vineyard (Italian Swiss Colony). Comment
  CAS-BOT-BC184930  Chasmanthium latifolium G. DeNevers 1981-7-1 1732 Sonoma Pepperwood Ranch. In the Pippindale Garden. Comment
  UCD137339  Cheilanthes intertexta Frederica Bowcutt 1994-6-24 1897 b Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/2 way from Bald Mountain Trail to Headwaters Trail. 566 Comment
  CAS-BOT-BC166918  Chenopodium Peter Rubtzoff 1968-8-31 5943 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD158802  Chenopodium californicum James A. Neilson Jr. 1974-1 3062 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD164992  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-BC493397  Chlorogalum pomeridianum G. DeNevers 1981-5-30 1416 Sonoma In Bertoli's creek, Pepperwood Ranch Comment
  CAS-BOT-BC493398  Chlorogalum pomeridianum G. DeNevers 1981-5-12 1136 Sonoma Carrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC361397  Chorizanthe Greg de Nevers 1993-5-10 10442 Sonoma Bodega Dunes State Beach, just north of Bodega Head. 0 Comment
  CAS-BOT-BC191506  Chorizanthe cuspidata var. villosa Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  POM165491  Chorizanthe cuspidata var. villosa Katherine Brandegee 1905-06 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC257027  Chorizanthe membranacea Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  JEPS86777  Chorizanthe membranacea Jack and Betty Guggolz 1990-5-19 1054 Sonoma n side of the Pine Flat Road 7.1 mi in from Highway 128 612 Comment
  CAS-BOT-BC257028  Chorizanthe membranacea G. DeNevers; M. Harding 1981-7-11 1759 Sonoma Pepperwood Ranch. S face at the high hill W of 3 Tree Hill Comment
  CAS-BOT-BC252848  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1915-6-6 4665 Sonoma Mt. St. Helena Comment
  CHSC297  Chrysanthemum segetum 1952-7-15 Sonoma Coastal. 30 Comment
  UCD110111  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  CAS-BOT-BC176193  Cichorium intybus Peter Rubtzoff 1954-7-28 1599 Sonoma Guerneville Marsh. Comment
  CDA20719  Cirsium douglasii S. Ostrom 2006-7-19 PDR 1328643 Sonoma East of 5556 Pine Flat Rd., Geyserville. Comment
  SEINET11842966  Cirsium occidentale var. coulteri F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -197 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 830 Comment
  CAS-BOT-BC285708  Cirsium occidentale var. occidentale Walter Knight; Irja Knight 1963-8-13 163 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC285707  Cirsium occidentale var. occidentale John Thomas Howell 1955-8-6 30893 Sonoma Near Bodega Head Comment
  CAS-BOT-BC290646  Cirsium occidentale var. occidentale Peter Rubtzoff 1960-9-14 4548 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  UC1195664  Cirsium occidentale var. venustum A. R. Kruckeberg 1947-6-15 1499 Sonoma ca 1/2 mi above Maacamas Creek bridge (on Hwy 28, w end Knights Valley); Knights Valley Comment
  UC1299442  Cirsium occidentale var. venustum Freed W. Hoffman 1947-5-30 516 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC280542  Cirsium quercetorum Mrs. H. C. Cantelow 1936-5-3 s.n. Sonoma Near El Verano Comment
  CAS-BOT-BC285752  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  UC895054  Cirsium remotifolium var. odontolepis Marcus E. Jones, A. M. 1882-7-18 3385 Sonoma Duncan's Mills Comment
  POM261637  Cirsium remotifolium var. odontolepis Alice Eastwood, John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs. Comment
  UCD159443  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 200 Sonoma Near Sonoma state beach hiking trail. Abundant. 41 Comment
  CAS-BOT-BC285802  Cirsium vulgare Walter Knight; Irja Knight 1963-8-26 183 Sonoma Hendren Ranch - Two Rocks Comment
  CAS-BOT-BC162556  Clarkia affinis Alva Day 1982-6-1 82 65 B Sonoma Pepperwood Ranch Comment
  UC582991  Clarkia amoena P. A. Munz 1936-8-8 14311 Sonoma coast 5 mi n Jenner Comment
  UCD104026  Clarkia amoena Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 49 Sonoma Unit 2 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC58865  Clarkia amoena unknown 1894-6-27 1087 Sonoma near Bodega Bay (Coast Road) Comment
  CAS-BOT-BC161059  Clarkia amoena subsp. amoena C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC161047  Clarkia amoena subsp. amoena Mary P. Wells 1981-8-2 s.n. Sonoma The Sea Ranch Comment
  CAS-BOT-BC161048  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-6 6085 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC161053  Clarkia amoena subsp. amoena John Thomas Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  POM180690  Clarkia amoena subsp. amoena J. T. Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  RSA108395  Clarkia amoena subsp. amoena Harlan Lewis, M. Lewis 1947-6-15 436 Sonoma Highway 1, Bodega Bay at west road to Doran Park Comment
  RSA51337  Clarkia amoena subsp. amoena Joanne Taylor 1941-7-13 11 -a Sonoma Canyon about 10 miles from Bodega Head. Comment
  CAS-BOT-BC172209  Clarkia concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC172221  Clarkia concinna Mrs. E. C. Sutliffe 1927-6-1 s.n. Sonoma Near Monte Rio Comment
  CDA11250  Clarkia concinna G. F. Hrusa, H. Townsend 1994-5-29 11873 Sonoma Austin Creek State Recreation Area; Gilliam Creek Canyon immediately downslope of Bullfrog Pond Campground. 0 Comment
  CAS-BOT-BC172203  Clarkia concinna Wayne Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, n.e. of Santa Rosa 60 Comment
  CAS-BOT-BC172211  Clarkia concinna A. A. Heller 1938-5-14 15087 Sonoma Slope east of Bodega Bay Comment
  SD64377  Clarkia concinna Darley F. Howe 1966-6-2 Sonoma Cliff, 1 mile South of Bodega Bay on Highway #1 Comment
  JEPS43617  Clarkia concinna subsp. concinna Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  RSA299011  Clarkia concinna subsp. concinna W. L. Jepson 1921-6-2 9293 Sonoma Alder Glen School. Hopland, N Sonoma County 177 Comment
  UCD104043  Clarkia davyi Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 30 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD160114  Clarkia gracilis James A. Neilson Jr. 1973-6-3 2970 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
  JEPS128316  Clarkia gracilis subsp. sonomensis Roger Raiche 2000-5-27 107 .00 Sonoma The Cedars, road into The Cedars at 2nd crossing or Otis Crossing. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC163130  Clarkia gracilis subsp. sonomensis Peter H. Raven; R. Snow 1958-7-23 13686 Sonoma 8.3 miles east of Skaggs Springs on road to Stewarts Point Comment
  SEINET12195100  Clarkia gracilis subsp. sonomensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -246 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SD51810  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  CHSC22118  Clarkia purpurea Robert A. Schlising; Lloy Thurman 1962-6-15 2310 Sonoma Coast Ranges. Skaggs Springs Road, 12 mi W of Jct with Dutcher Creek Road. Comment
  UCD104865  Clarkia purpurea Michelle Mahoney 1965-5-23 s.n. Sonoma On Old Fire Road off Highway 116 in Hacienda Park. 91 Comment
  UC930737  Clarkia purpurea subsp. quadrivulnera Alice Eastwood, John Thomas Howell 1939-6-11 7415 Sonoma near Triniti P.O.; Hood Mt. Range Comment
  CAS-BOT-BC163465  Clarkia purpurea subsp. quadrivulnera G. DeNevers 1981-5-9 1054 Sonoma On a hot, thin soil road cut below the Strebel Homestead Comment
  RSA97602  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1945-7-18 21315 Sonoma Dry slope bordering Pitkin Marsh Comment
  UC424794  Clarkia purpurea subsp. quadrivulnera unknown 1930-6-6 4166 C Sonoma between Wake Robin Lodge and Brunner Comment
  CAS-BOT-BC164584  Clarkia purpurea subsp. viminea A. A. Heller 1902-6-4 5646 Sonoma Santa Rosa Comment
  UCD100578  Claytonia exigua J. Adams; J. Weick, Daehler, Lu 1993-5-8 286 Sonoma about 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  SD130424  Claytonia gypsophiloides F. Alameda, G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch: along road to the Garrison Cabin at the SW sector of the ranch Comment
  UC486516  Claytonia gypsophiloides H. E. and S. T. Parks 1930-5-10 624 Sonoma Knights Valley Comment
  CAS-BOT-BC439404  Claytonia gypsophiloides Ellen Searby 1955-5-1 135 Sonoma Unspecified 152 Comment
  UCR265123  Claytonia parviflora subsp. parviflora Ann Howald 2015-4-1 3324 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  CAS-BOT-BC439762  Claytonia perfoliata subsp. perfoliata Peter Rubtzoff 1960-5-22 4405 Sonoma Laguna de Santa Rosa area east of Graton (betw. Occidental & Guerneville roads). Comment
  CAS-BOT-BC92746  Clematis ligusticifolia Volney Rattan 1877-6-24 s.n. Sonoma Healdsburg. Comment
  RSA534574  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River Comment
  SEINET12047073  Clintonia andrewsiana F. H. Utech, Utech, C. L. 1972-1 72 -603 Sonoma Armstrong Redwoods State Park 183 Comment
  SEINET12050385  Clintonia andrewsiana F. H. Utech 1988-1 88 -213 Sonoma Salt Point, along CA 1 between Jenner & Stewart's Point, Mile Marker 38.39 75 Comment
  UCD13248  Clintonia andrewsiana Becky Wilson 1973-5-31 115 Sonoma Canyon Rd, W of Geyserville. Comment
  HSC20588  Collinsia heterophylla R. F. Good 1962-4-19 27 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  UC725593  Collinsia heterophylla A. A. Heller 1940-5-10 15610 Sonoma ridge w of Skagg's Springs Comment
  JEPS34522  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-16 828 Sonoma near Guerneville (rd to Austin Ranch, headwaters of Fife Creek); North Coast Ranges Comment
  UCSB31777  Collinsia tinctoria Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  CAS-BOT-BC229544  Collomia diversifolia Peter Rubtzoff 1973-7-24 7201 Sonoma Upper Green Valley Marsh Comment
  JEPS46209  Collomia grandiflora Eleanor Armstrong 1932-5-25 476 Sonoma 2 mi n Camp Meeker (towards Monte Rio, dry hillside) 121 Comment
  UC23632  Collomia heterophylla Harley P. Chandler 1900-5-25 662 Sonoma Bodega Comment
  CAS-BOT-BC230698  Collomia rawsoniana Walter Knight; Irja Knight; Tiffany Knight 1985-7-15 5144 Sonoma From garden of Knight, Petaluma Comment
  CAS-BOT-BC376390  Convolvulus Greg de Nevers 1993-5-9 10440 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Just above the Pippindale-Pepperwood gate. 400 Comment
  NY318907  Convolvulus saxicola A. Eastwood 1900-7-4 Sonoma Bodega Point Comment
  CAS-BOT-BC344847  Conyza Peter Rubtzoff 1990-10-27 10234 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  JEPS62601  Cordylanthus maritimus subsp. palustris T. I. Chuang with Fei-Mei Chuang 1970-7-26 6838 Sonoma U. C.. Biological Reserve w of Bodega Bay Comment
  JEPS128252  Cordylanthus pringlei Roger Raiche 2000-7-15 140 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET12337123  Cordylanthus tenuis subsp. brunneus Unknown 1986-1 60302 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 1.5 mi N of Ida Clayton Rd 823 Comment
  CAS-BOT-BC238234  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS20297  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi e Occidental 243 Comment
  JEPS57382  Cordylanthus tenuis subsp. capillaris L. R. Heckard and T. I. Chuang 1968-6-18 1953 Sonoma n Occidental (Stoetz Lane about 3/4 mi w of Harris grade road) Comment
  JEPS6648  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 mi ne Occidental (along Harrison Grade) Comment
  RSA537698  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1975-7-5 7520 Sonoma Stoetz Lane, about 3/4 mile west of Harris [Harrison] Grade Road, north of Occidental Comment
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Jan 12 2013
  UC727699  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UCD123140  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-4-6 62078 Sonoma 2 mi. NE of Occidental. 182 Comment
  CAS-BOT-BC101572  Corethrogyne filaginifolia Mary P. Wells 1981-7-2 s.n. Sonoma Unit 35A near Leeward Road, The Sea Ranch Comment
  RSA0019561  Cornus californica Peter Rubtzoff 1951-7-22 534 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC212287  Cornus glabrata Peter Rubtzoff 1952-5-31 1112 Sonoma South of the Upper Pitkin Marsh near Forestville Comment
  CAS-BOT-BC212288  Cornus glabrata Peter Rubtzoff 1960-5-29 4420 Sonoma Laguna de Santa Rosa near Trenton south of Woolsey Road Comment
  CAS-BOT-BC212291  Cornus glabrata Greg de Nevers 1987-5-11 8168 Sonoma Knights Valley, 2 mi. S of Hwy 128 on Franz Valley Rd. 100 Comment
  RSA0045166  Cornus nuttallii Greg de Nevers 1993-4-27 10414 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 91 Comment
  UC21528  Cornus nuttallii H. N. Bolander 1864-1 3966 Sonoma on Pine Mt. near the Geyser's; Pine Mt. Comment
  JEPS58674  Corylus californica W. L. Jepson 1903-10-4 2365 Sonoma Russian River, Eagle's Nest Camp Eagle's Nest Camp; Russian River, Eagle's Nest Camp Comment
  POM66990  Cotula coronopifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC173590  Cotula coronopifolia Peter Rubtzoff 1969-7-21 6119 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC427647  Crassula aquatica Greg de Nevers 1992-7-21 10221 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427653  Crassula aquatica Peter Rubtzoff 1972-5-25 6757 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC427648  Crassula aquatica Peter Rubtzoff 1963-6-6 5163 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC427659  Crassula aquatica Peter Rubtzoff 1969-6-14 6074 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  CAS-BOT-BC143510  Crataegus gaylussacia Peter Rubtzoff 1958-8-16 3885 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CDA36778  Crupina vulgaris D. B. Joley 1976-7-28 35 Sonoma Bennett Valley Road, south of golf course. 0 Comment
  CDA4472  Crupina vulgaris Willa May Lowary 1976-10-25 Sonoma From seed germinated in the Seed Laboratory, transferred to potting mix 7 September 1976; seed collected at Santa Rosa, Sonoma County, 7 July 1976. 0 Comment
  SEINET11686587  Crypsis W. Knight, Knight, I.; Edwards, S. W. 1984-1 5041 Sonoma along Willow Creek between Denman Flat & Corona Road, near Petaluma Comment
  CAS-BOT-BC368011  Crypsis schoenoides Greg de Nevers 1989-12-3 9119 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Natural Pond. 400 Comment
  UC24715  Cryptantha intermedia H. N. Bolander Apr 1864 3817 Sonoma Mark West Creek Comment
  UC1731386  Cryptantha milobakeri Dean W. Taylor 1998-6-22 16683 Sonoma 0.3 mi along ridge from Eagle Rock Substation ((ridge dividing Bear Canyon from Squaw Cr.)); North Coast Ranges, Mayacamas Mountains, The Geysers Geother 792 Comment
  UC905112  Cryptantha muricata Milo S. Baker 1947-5-7 11735 Sonoma near base of Sugar Loaf (sw slope of Hood Mt.); Hood Mt. 365 Comment
  RSA17622  Cupressus macnabiana C. B. Wolf, E. R. Johnson 1934-10-18 6198 Sonoma Head of Hooker Canyon, 4.7 miles east of Sonoma - Kenwood Road. 549 Comment
  CAS-BOT-BC85427  Cupressus sargentii W. Knight; Irja Knight 1963-11-21 2500 Sonoma Harrison Grade between Graton and Occidental Comment
  CAS-BOT-BC85457  Cupressus sargentii Frederick H. Utech; W. Knight; Irja Knight 1984-4-18 84166 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  UCD132952  Cupressus sargentii Frederica Bowcutt 1997-7-18 2187 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
  UCD158873  Cupressus sargentii James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2903 Sonoma Mayacmas Mountains; northwest part of Section 15, The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  CHSC107540  Cuscuta californica var. breviflora D. G. Kelch; Troy McGregor 2010-8-22 10 .354 Sonoma Nr Peak of Geyser Peak Rd. Comment
  CDA39985  Cuscuta subinclusa Mary-Jean Sawyer 2008-7-3 PDR# 1544920 Sonoma Sears Pt. Dr., on Hwy 37 X Hwy 121, On side of road down to waters edge, near Tolby Creek. 0 Comment
  CAS-BOT-BC376435  Cynodon Greg de Nevers 1996-9-23 10879 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon. 400 Comment
  CAS-BOT-BC190242  Cynodon dactylon Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC190346  Cynodon dactylon John Thomas Howell; Walter Knight; Irja Knight 1987-5-20 6233 Sonoma Todd Road Preserve. 24 Comment
  UCD119158  Cynoglossum grande Frederica Bowcutt; Kate Mawdsley 1996-3-24 2090 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  CAS-BOT-BC312690  Cynosurus Peter Rubtzoff 1971-6-5 6515 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  SD56679  Cynosurus cristatus D. F. Howe 1963-7-3 3588 Sonoma 20 miles north of junction of #12 on #1 Comment
  UC1146618  Cynosurus cristatus Freed W. Hoffman 1943-6-20 2061 Sonoma Eckert Ranch near Salt Point (Sonoma Coast); North Coast Ranges, , near Salt Point Comment
  SEINET6180923  Cynosurus cristatus Fred W. Hoffman 1943-6-20 2061 Sonoma Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  CAS-BOT-BC190429  Cynosurus echinatus Catherine Best 1984-6-11 s.n. Sonoma At Goat Rock Park. Comment
  UCD160902  Cynosurus echinatus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3582 Sonoma Section 10, ca. 1.5 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UCD60159  Cynosurus echinatus Gerry North 1993-4 21 Sonoma Flora of Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. Second pullout on right after park entrance. 0.3 mile from Goodspeed trailhead. 50m south of Pony Gate Gulch Creek crossing. 274 Comment
  UCR248721  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 miles northeast of Penngrove on Lichau Road 427 Comment
  CAS-BOT-BC114772  Cyperus acuminatus Peter Rubtzoff 1987-10-17 9873 Sonoma Russian River ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC113914  Cyperus niger var. capitatus Peter Rubtzoff 1958-8-23 3902 Sonoma Laguna de Santa Rosa E of Cunningham (nr. Llamo Road). Comment
  RSA516605  Cypripedium californicum Rimo C. Bacigalupi, G. Thomas Robbins, F. Hoffmann 1956-5-30 5668 Sonoma Headwaters of Big Austin Creek, vicinity of The Cedars, near Layton Chromite mine. 267 Comment
  CAS-BOT-BC136481  Cypripedium montanum A. T. Graff 1926-4-1 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC435194  Cypselea humifusa H. K. Wagnon 1991-10-14 1993 Sonoma Jack London State Park. Comment
  UC1606175  Cyrtomium falcatum Liz Parsons and Wendy Born Dec 1995 Sonoma s slope Hood Mt; Hood Mt Regional Park Comment
  RSA177982  Cytisus monspessulanus Robert F. Thorne 1965-4-19 34309 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; 4 miles W of Santa Rosa. 46 Comment
  CAS-BOT-BC189805  Dactylis glomerata G. DeNevers 1981-5-23 1281 Sonoma Pepperwood Ranch. At Big Roadcut on Franz Valley Road, below Walter Ward's House. Comment
  CAS-BOT-BC192281  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mile S. of bridge across mouth of Russian River 22 Comment
  UCR280018  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  SEINET7042681  Danthonia californica A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UCD60460  Danthonia californica David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mile W of the junction of Arnold Dr. Comment
  RSA733924  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma 8.5 miles S.E. of Greysville, south end of Alexander Valley, jct. of Calistoga (hwy. 128) and Chalk Hill roads. Comment
  SEINET10912493  Danthonia californica var. americana B. Crampton 1963-5-27 Crampton 6811 Sonoma Alexander Valley, state Hwy. 128, ca. 8 miles SE of Geyserville. Roadside ditch at base of foothill slope. Comment
  SEINET3926762  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma Located 5 miles south of Geyserville.; 0 Comment
  CAS-BOT-BC154985  Datura Peter Rubtzoff 1968-9-21 5986 Sonoma Russian River bottom at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCD127397  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  CDA36848  Daucus pusillus CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  JEPS128203  Daucus pusillus Roger Raiche 2000-4-30 051 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC10348  Delphinium hesperium H. D. Ripley; R. C. Barneby 1945-6-22 6940 Sonoma North of Jenner Comment
  RSA796265  Delphinium hesperium J. Townsend 1977-5-30 s.n. Sonoma East side Russian River about 2 miles south of Gurneyville. 335 Comment
  UC1031404  Delphinium hesperium subsp. hesperium C. Epling, L. Stebbins, and H. Lewis 1943-6-17 Sonoma rock outcrops about 2 mi e Bodega Bay Comment
  UC1334519  Delphinium hesperium subsp. hesperium G. A. L. Mehlquist and J. A. Jenkins 1940-5-28 3 Sonoma 100 yds sw of Route 29 Mark West Mineral Spring Comment
  CHSC63924  Delphinium nudicaule John Hale 1990-4-13 25 Sonoma E of Austin Creek. 210 Comment
  CAS-BOT-BC8004  Delphinium nudicaule Milo S. Baker 1935-5-12 8080 Sonoma 0.5 mi. up Salmon Creek Comment
  HSC27088  Delphinium nudicaule Thomas W. Nelson 1971-3-21 347 Sonoma Beside Hwy. 128, 4 mi. W of Cloverdale Comment
  CAS-BOT-BC121722  Delphinium patens subsp. patens D. E. Breedlove 1980-5-3 44653 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC121724  Delphinium patens subsp. patens Gregory Clark de Nevers 1981-5-2 924 Sonoma Pepperwood Preserve, N slope of high hill E of 3 Tree Hill. Comment
  CAS-BOT-BC7767  Delphinium variegatum Alice Eastwood; John Thomas Howell 1938-5-15 5510 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC7763  Delphinium variegatum subsp. variegatum Milo S. Baker 1928-4-10 2987 a Sonoma Bennett Val. Comment
  CAS-BOT-BC7769  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  SEINET12090184  Dendromecon rigida W. Knight, Knight, I. 1981-1 3977 Sonoma 4.1 mi up Cavedale Road from junction of state route 12 Comment
  CAS-BOT-BC192613  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  UCD63791  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1915-6-1 Sonoma Del Mar. Comment
  UC38010  Deschampsia danthonioides Michener and Bioletti 1893-5-29 108 Sonoma Kenwood 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
  CAS-BOT-BC201970  Deschampsia elongata Peter Rubtzoff 1960-5-30 4429 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC210039  Deschampsia elongata Peter Rubtzoff 1964-6-24 5369 Sonoma Lower Salmon Creek Marsh. Comment
  SEINET11671649  Desmazeria rigida Unknown 1940-1 964 Sonoma Wood residence, 349 Second Ave, Santa Rosa Comment
  SEINET7293082 Image available Dichanthelium acuminatum subsp. fasciculatum Peter Kamb, Francia Chisaki 1950-1 1852 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  UCR131633  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1969-7-14 8493 A Sonoma Coast Range, The Geysers, 12 miles (direct line) east of Cloverdale, north slope of well above Geyser Creek 494 Comment
  SEINET12051470  Dichelostemma capitatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -268 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CHSC57543  Dichelostemma capitatum subsp. capitatum Shelly A. Kirn 1991-3-28 1 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  POM264531  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma Five miles north of Jenner. Comment
  SEINET10496681  Dichondra occidentalis Alan A. Beetle 1940-4-7 Beetle 2598 Sonoma In sandy soil on low, open, grassy coastal hill; five miles north of Jenner. Comment
  CAS-BOT-BC210146  Digitaria Peter Rubtzoff 1965-8-16 5597 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  UCD148387  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD64092  Digitaria sanguinalis Virginia Bufford 1935-9-8 82 Sonoma Vine Hill District. Comment
  CAS-BOT-BC152045  Diplacus aurantiacus F. H. Utech; Walter Knight; Irja Knight 1984-4-16 84 -076 Sonoma Ca 4.0 mi. NNW of Sonoma on Cavedale road from junction with CA hwy 12, ca. 0.4 mi N on Cavedale Road from junction. 106 Comment
  CAS-BOT-BC323167  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just south of Highway 116. Comment
  CAS-BOT-BC196919  Distichlis spicata David L. Morgan 1956-6-26 s.n. Sonoma Above Shell Beach, 1/4 mi. S of Goat Rock, off State Hiway #1 Comment
  CAS-BOT-BC196923  Distichlis spicata David L. Morgan 1956-5-17 s.n. Sonoma 3 mi. E. of Petaluma on Lakeville Rd. Comment
  SEINET10662294  Distichlis spicata P. Rubtzoff 1955-8-20 Rubtzoff 2065 Sonoma Bodega Harbor Marsh. Comment
  UC1199856  Dodecatheon hendersonii Herbert L. Mason 1926-3-22 2792 Sonoma near Napa-Sonoma line (near Petrified Forest); near Petrified Forest Comment
  HSC49613  Dodecatheon hendersonii R. York 1979-4-8 200 Sonoma Along Hwy. 128; 1 mi. N of Calistoga Comment
  RSA247149  Dodecatheon hendersonii Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1006 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  CDA13124  Downingia concolor G. F. Hrusa, R. Gross 1996-6-3 13059 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UC1001278  Downingia concolor var. concolor W. L. Jepson 1921-5-6 9189 Sonoma Sonoma Valley Comment
  UC1001279  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Wilfred sta. Cotati Valley Comment
  UC28993  Downingia concolor var. concolor F. T. Bioletti May 1892 Sonoma Shellville Comment
  UC890619  Downingia concolor var. concolor Alice Eastwood and John Thomas Howell 1936-5-19 2508 Sonoma 2 mi n Windsor Comment
  RSA21846  Downingia concolor var. concolor Alice Eastwood, J. T. Howell 1936-5-19 2508 Sonoma 2 miles north of Windsor Comment
  JEPS3102  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley; ; Los Guilucos Valley, Sonoma Co. Comment
  UC1188748  Downingia pusilla John H. Weiler 1961-4-30 6196 Sonoma 4.4 mi n Sears Point (along State Highway 37) Comment
  UC1051650  Drosera rotundifolia Peter Kamb and Francia Chisaki 1950-6-16 1848 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, toward s end of marsh); Pitkin Marsh Comment
  UCD113045  Drymocallis glandulosa Frederica Bowcutt 1994-6-12 1842 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Sonoma Creek near trailhead for Hillside trail. 381 Comment
  CAS-BOT-BC159444  Drymocallis glandulosa var. glandulosa G. DeNevers 1981-5-20 1221 Sonoma In the Garrison Yard, Pepperwood Ranch Comment
  POM35446  Drymocallis glandulosa var. wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross. Comment
  UC1193406  Dryopteris arguta P. Zinke 1950-4-25 115 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  SEINET11620568  Dryopteris arguta W. Knight, Knight, I. 1984-1 5412 Sonoma Gualala Point State Park Comment
  CAS-BOT-BC536739  Duchesnea indica Mary P. Wells 1984-5-1 254 Sonoma Near Humbug creek south of Calistoga Rioad, Hood Mt. Range. Comment
  CAS-BOT-BC411378  Dudleya caespitosa Peter Rubtzoff 1952-6-10 1245 Sonoma Resort at E base of Fitch Mtn., near Healdsburg Comment
  UCD151156  Dudleya cymosa James A. Neilson Jr. 1973-6-7 2947 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment
  CAS-BOT-BC428179  Dudleya cymosa subsp. cymosa unspecified No date on label s.n. Sonoma Russian River Comment
  CAS-BOT-BC428381  Dudleya farinosa Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  SD71429  Dysphania ambrosioides Peter Rubtzoff 1958-8-16 3867 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  SEINET4558824  Dysphania botrys Peter Rubtzoff 1965-1 5615 Sonoma Russian River bottom at Forest Hills (5.5 mi east of Guerneville) Comment
  SD131828  Dysphania pumilio Barbara Eritter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, Point below Little Flat parking area W of bridge, steep bare banks left by receding water. 152 Comment
  CAS-BOT-BC176199  Echinochloa crus-galli Peter Rubtzoff 1956-9-14 2860 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC176201  Echinochloa crus-galli Peter Rubtzoff 1955-7-17 1974 Sonoma Guerneville Marsh. Comment
  UCD164996  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7880 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  RSA800157  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC113732  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1958-5-17 3665 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road.). Comment
  CAS-BOT-BC112663  Eleocharis parvula Peter Rubtzoff 1973-9-15 7329 Sonoma Lower Salmon Creek Marsh. Just east of Hwy 1. Comment
  CAS-BOT-BC112271  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  POM193576  Elymus R. C. Bacigalupi 1926-5-2 1405 Sonoma Cazadero. Comment
  UCD61803  Elymus glaucus Beecher Crampton 1959-6-16 5377 Sonoma 1 mile E of Occidental. Comment
  UCD62305  Elymus glaucus H. S. Yates 1936-5-16 5585 Sonoma 1 mile N.E. of Graton. 30 Comment
  UCD62300  Elymus glaucus R. Tofsrud 1942-8-1 50 Sonoma Sonoma Co. Comment
  CAS-BOT-BC203705  Elymus glaucus subsp. glaucus Mary P. Wells 1984-5-24 282 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC203712  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1150 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203722  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1100 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  CAS-BOT-BC203724  Elymus glaucus subsp. glaucus Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 18 miles east of Stewart's Point Comment
  UCD62363  Elymus glaucus subsp. glaucus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3577 Sonoma Corner of Wright Road and Rt. 12, in outskirts of Santa Rosa. Comment
  CAS-BOT-BC235233  Elymus multisetus Roxana S. Ferris; Laura Lorraine 1961-6-15 13571 Sonoma About 1/8 mile beyond County Dump Comment
  UC188891  Elymus multisetus J. Burtt Davy and W. C. Blasdale 1899-7-22 6007 Sonoma Austin Creek Comment
  CAS-BOT-BC235229  Elymus multisetus K. Wagnon 1939-5-20 207 Sonoma Glade west of Wagnon rock quarry, 5 miles west of Sebastopol Comment
  JEPS87224  Emmenanthe penduliflora Jack and Betty Guggolz 1992-5-17 1299 Sonoma On the up side of the Anderson Trail (The west side of the Black Mountain east of Geyserville). 585 Comment
  UC20095  Epilobium brachycarpum J. Burtt Davy Aug. 1896 4139 Sonoma Russian River Comment
  CAS-BOT-BC290550  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC262963  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-23 1978 Sonoma Forestville Marsh. Comment
  RSA800032  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800036  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma On River Road. 3 miles W of Fulton. Comment
  CHSC22088  Epilobium ciliatum subsp. watsonii Robert A. Schlising; G. Keator 1963-7-27 2631 Sonoma Coast Ranges. In marsh on east side of Bodega Peninsula. Comment
  UC1122559  Epilobium ciliatum subsp. watsonii H. S. Yates 1934-4-21 3791 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UCD158775  Epilobium ciliatum subsp. watsonii James A. Neilson Jr. 1974-7-10 2814 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC262822  Epilobium hallianum Peter Rubtzoff 1962-5-11 4824 Sonoma Laguna de Santa Rosa, east of Cunningham, near the Llano Road crossing. Comment
  JEPS27970  Epilobium minutum Rimo Bacigalupi and L. Heckard 1961-6-9 7737 Sonoma at junction of Joy Rd and Bittner Road (1.75 mi sw of Occidental) 249 Comment
  UC1301103  Epilobium minutum Helen K. Sharsmith 1963-5-25 5486 Sonoma near Occidental; San Francisco Bay Region, Occidental Grade 152 Comment
  UC762773  Epilobium minutum R. 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
  SEINET12194282  Epilobium minutum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -243 Sonoma end of Stoetz Road 200 Comment
  UC429312  Epipactis gigantea Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC164680  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA790976  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164072  Equisetum Peter Rubtzoff 1962-5-25 4846 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC210087  Equisetum Peter Rubtzoff 1964-6-20 5361 Sonoma Laguna de Santa Rosa southeast of Sebastopol (near Cooper Road). Comment
  CAS-BOT-BC57129  Equisetum X ferrissii Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC210088  Equisetum hyemale subsp. affine Peter Rubtzoff 1959-6-20 4184 Sonoma Willow Creek Marsh. Comment
  UCD148330  Equisetum hyemale subsp. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  RSA94454  Equisetum hyemale var. affine Peter Rubtzoff 1951-6-10 191 Sonoma The Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  RSA239707  Equisetum laevigatum Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1093 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  JEPS79542  Equisetum telmateia subsp. braunii Edward Lee with W. A. Setchell 1936-6-7 2174 Sonoma Trail No. 10 Bohemian Grove Comment
  POM9511  Equisetum telmateia var. braunii A. A. Heller, H. E. Brown 1902-3-27 5161 Sonoma Western base of Mt. Hood. Comment
  UC1025040  Eragrostis cilianensis Leo Whitney 1935-10-2 3634 Sonoma Santa Rosa Comment
  RSA0023078  Eragrostis hypnoides Peter Rubtzoff 1965-8-16 5599 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  CAS-BOT-BC204643  Eragrostis mexicana subsp. virescens G. DeNevers 1981-7-31 1776 Sonoma Pepperwood Ranch. At Cresta Stable Comment
  CAS-BOT-BC366888  Eragrostis mexicana subsp. virescens Greg de Nevers 1997-9-29 11096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC284192  Eragrostis pectinacea var. pectinacea G. DeNevers 1981-6-26 1660 Sonoma Pippindale Garden, Pepperwood Ranch Comment
  RSA784477  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  UC615573  Eremocarpus setiger Beryl O. Schreiber 1933-8-10 925 Sonoma 3 mi s Kenwood Comment
  RSA149838  Ericameria ericoides var. ericoides George W. Barclay 1839-10 3037 Sonoma Bodegas Comment
  CAS-BOT-BC293626  Erigeron biolettii H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  CHSC319  Erigeron glaucus A. Small 1954-6-4 Sonoma Doran Park. 15 Comment
  RSA696822  Erigeron glaucus J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay region Comment
  CAS-BOT-BC214553  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  RSA0051270  Erigeron philadelphicus var. philadelphicus Greg de Nevers 1994-6-13 10526 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 100 Comment
  CAS-BOT-BC300251  Erigeron reductus var. angustatus Roger Raiche 1985-6-30 50565 Sonoma Unnamed ridge on west side of Dry Creek Valley, north of Crane Creek, and south of Bradford Mt. Comment
  UC1193343  Eriodictyon californicum R. H. Neuns 1950-4-28 97 Sonoma 8 mi e Cloverdale; Quad. 60B3 640 Comment
  UC1299125  Eriodictyon californicum Freed W. Hoffman 1947-5-30 524 Sonoma Layton Mine, East Austin Creek East Austin Creek; Layton Mine, East Austin Creek Comment
  JEPS82528  Eriogonum compositum var. compositum Roger Raiche 1984-6-1 40173 Sonoma 2 mi n Camp Meeker (Duvoul Creek where it crosses the Bohemian Highway); Duvoul Creek Comment
  CAS-BOT-BC259256  Eriogonum latifolium John Thomas Howell 1930-7-27 5413 Sonoma 4 miles north of Bodega Bay Comment
  JEPS56788  Eriogonum latifolium W. L. Jepson 1931-7-19 15939 Sonoma sea-cliffs n of outlet (mouth) Salmon Creek Comment
  RSA149622  Eriogonum latifolium George W. Barclay 1839-09 3033 Sonoma Bodegas Comment
  UC582867  Eriogonum latifolium P. A. Munz 1936-8-7 14305 Sonoma 2 mi n Bodega Comment
  CAS-BOT-BC259473  Eriogonum luteolum F. G. Krauss 1893-10-4 s.n. Sonoma K. Ranch 5 miles W. of Calistoga Comment
  CAS-BOT-BC259479  Eriogonum luteolum David L. Morgan 1955-7-28 s.n. Sonoma 5 miles west of Petaluma Comment
  UC6515  Eriogonum luteolum var. caninum Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  JEPS47692  Eriogonum luteolum var. luteolum Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC1093645  Eriogonum luteolum var. luteolum Herbert L. Mason 1946-7-4 12899 Sonoma 2 mi e Occidental Comment
  CAS-BOT-BC261696  Eriogonum nudum var. nudum Peter Rubtzoff 1951-8-26 676 Sonoma South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC261700  Eriogonum nudum var. nudum Helen D. Geis 1902-8-1 571 Sonoma Skaggs Comment
  UCD100590  Eriogonum nudum var. nudum Frederica Bowcutt 1994-6-24 1898 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/2 way from bald Mountain Trail to Headwaters Trail. 566 Comment
  CAS-BOT-BC262389  Eriogonum vimineum G. DeNevers 1981-5-23 1268 Sonoma Pepperwood Ranch. Along Franz Valley Road. Bottom of Road on SW side Comment
  UCD131466  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1994-6-25 1919 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/4 mi. from Gray Pine Trail. 670 Comment
  SEINET5781672 Image available Eriophyllum lanatum Marcus E. Jones 1882-1 2773 Sonoma Duncan's Mills Comment
  CAS-BOT-BC301279  Eriophyllum lanatum var. arachnoideum Alice Eastwood 1901-4-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC301287  Eriophyllum lanatum var. arachnoideum J. Clausen 1935-5-24 1086 Sonoma 5.1 mi. S. of Jenner on the Bodega road Comment
  CAS-BOT-BC301288  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma Jensen Ranch, at head of Dohrman Creek, four miles west of Healdsburg Comment
  CAS-BOT-BC301291  Eriophyllum lanatum var. arachnoideum Alice Eastwood 1915-6-29 4860 Sonoma Bodega Point Comment
  POM66821  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan[s] Mills. Comment
Read comments
Jun 19 2012
  UC1118237  Eriophyllum lanatum var. arachnoideum H. S. Yates 1934-4-21 3810 Sonoma near Bodega Port; Duncan Mills Quadrangle 7 Comment
  UC133116  Eriophyllum lanatum var. arachnoideum Alice Eastwood 1900-9-30 Sonoma Bodega Point Comment
  SD40135  Eriophyllum staechadifolium Edith A. Purer 1932-7-16 4034 Sonoma Bodega Bay 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
  UC1365624  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-4-17 5682 Sonoma e. Graton (between Occidental and Guerneville rds., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC765470  Eryngium aristulatum var. aristulatum R. F. Hoover 1938-6-14 3607 Sonoma 2 mi. s.e. Healdsburg Comment
  RSA223350  Eryngium armatum Peter Rubtzoff 1962-8-3 5019 Sonoma Atascadero Creek Marsh Comment
  SEINET14196771  Erythranthe bicolor K. Brandegee 1905-6-8 s.n. Sonoma Between Santa Rosa and Sebastopol. Comment
  CAS-BOT-BC153626  Erythranthe inodora Peter Rubtzoff 1960-6-11 4503 Sonoma Laguna de Santa Rosa area east of Graton (betw. Occidental and Guerneville roads) Comment
  SEINET8370236  Erythranthe microphylla Robert F. Thorne 1965-4-19 34286 Sonoma near county dump on Stoetz Road off of Harrison Grade ca. 2 miles nne of Occidental. 183 Comment
  SEINET12052829  Erythronium californicum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -62 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UC70419  Erythronium californicum Milo S. Baker 1898-4-6 13 Sonoma Gualala River Comment
  HSC2186  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  RSA146385  Eschscholzia caespitosa subsp. caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC403701  Eschscholzia californica Alice Eastwood 1915-6-29 4823 Sonoma Bodega Point Comment
  CDA31281  Eschscholzia californica D. G. Kelch 2006-10-4 6 .497 Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  SD40082  Eschscholzia californica Edith A. Purer 1932-7-29 4047 Sonoma Bodega Bay. Comment
  UC353919  Eucalyptus camaldulensis Milo S. Baker 1928-1-28 3237 b Sonoma w. side Los Guilicos Valley Comment
  CAS-BOT-BC540836  Euphorbia Peter Rubtzoff 1970-9-2 6359 Sonoma Mirabel Park; Russian River bottom 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
  CDA34798  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128, ~3.03 mi (fr. N) at turnout on E side of road at metal gate, about 2 NW of Cloverdale. Comment
  CDA34801  Euphorbia oblongata Peter Warner 2010-5-6 142 Sonoma Annadel State Park, North Burma Trail, ~ 500 m W of junction with Richardson Trail; along trail and downslope. Comment
  SEINET11842305  Euryops pectinatus W. Knight, Knight, I.; Knight, T. 1984-1 5035 Sonoma Petaluma, K-Mart Comment
  CAS-BOT-BC310743  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCR254730  Euthamia occidentalis Peter Rubtzoff 1961-9-20 4748 Sonoma Americano Creek, 0.9 miles west of Bloomfield 13 Comment
  CAS-BOT-BC239717  Fabaceae Walter Knight; Irja Knight 1990-5-1 6590 Sonoma Joost Road on east side of Calistoga Road between Gates and Alpine roads 182 Comment
  CAS-BOT-BC239718  Fabaceae A. Day 1982-6-1 82 65 B Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC239727  Fabaceae Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing Comment
  CAS-BOT-BC239728  Fabaceae Peter Rubtzoff 1971-5-8 6438 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road 0.9 mile west of Arnold Drive Comment
  CAS-BOT-BC422357  Festuca Peter Rubtzoff 1976-6-5 8588 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCR248729  Festuca arundinacea Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC283192  Festuca californica subsp. californica Peter Rubtzoff 1952-6-10 1236 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  RSA123478  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma Near Bodega Port 8 Comment
  RSA121316  Festuca idahoensis H. S. Yates 1937-5-30 6544 Sonoma 3 miles WNW of Graton. 61 Comment
  UC38544  Festuca idahoensis Michener and Bioletti 1893-7-31 119 Sonoma Hood's Peak Comment
  UC38545  Festuca idahoensis Michener and Bioletti 1893-6-10 100 Sonoma Hood's Peak Comment
  JEPS128389  Festuca microstachys Roger Raiche 2000-4-2 014 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD66272  Festuca roemeri A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3569 Sonoma 9.1 miles northwest of Santa Rosa. Comment
  CAS-BOT-BC279079  Festuca rubra John Thomas Howell 1944-5-14 19485 Sonoma Between Petaluma and Chileno Valley Comment
  RSA0045169  Filago pyramidata Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 91 Comment
  UCD113202  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma Coast Route 1, approximately 5 miles south of Jenner. Comment
  CAS-BOT-BC53274  Frangula californica subsp. californica R B Usinger 1929-8-6 s.n. Sonoma Two miles N. of Guernewood Park, Russian River region Comment
  UCD158845  Frangula californica subsp. crassifolia James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2912 Sonoma The Geysers, west central part of Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  UCD99585  Frankenia salina P. G. Connors 1991-6-17 164 Sonoma Bodega Marine Laboratory. Near jaumea. Comment
  CAS-BOT-BC218584  Fraxinus latifolia Peter Rubtzoff 1957-6-28 3394 Sonoma Duncans Mills Marsh Comment
  SJSU5729  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Cr, NE of Santa Rosa 121 Comment
  CAS-BOT-BC130179  Fritillaria affinis Milo S. Baker 1940-3-1 s.n. Sonoma unspecified Comment
  UCD139713  Fritillaria affinis UC Davis Botany 102 Students 1993-4-17 48 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 Sugarloaf Ridge. Near group campground. Comment
  JEPS61916  Fritillaria liliacea Vina Krager 1924-3-1 Sonoma Bodega Comment
  UC3632  Fritillaria recurva Jepson 1893-5-5 Sonoma Mount St. Helena Comment
  HSC19845  Galium aparine S. N. Wiemeyer 1962-4-20 23 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD121716  Galium aparine Caitlin Lewis; William Mutch 1993-4-17 20 Sonoma Sugarloaf Ridge State Park. About 40 miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  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
  UCD158783  Galium bolanderi James A. Neilson Jr. 1974-6-1 2768 Sonoma Mayacmas Mountains, Geyser Rock, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  JEPS15257  Galium californicum subsp. californicum Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5670 Sonoma nr Layton Chromite Mine (along creekbed, headwaters of creek); Big Austin Creek, vicinity of The Cedars 266 Comment
  JEPS52890  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3906 Sonoma 6.8 mi ne Plantation (on road to Ward Creek) Comment
  UC28160  Galium divaricatum Michener and Bioletti 1892-7-1 Sonoma Hood Peak Comment
  RSA47803  Galium divaricatum Roxana S. Ferris, Laura Lorraine 1948-6-9 11661 Sonoma 1 miles from Geyserville on road to Kellogg. Comment
  JEPS52831  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-10-26 3944 Sonoma 12.2 mi e Stewart's Point (on road to Geyserville) 91 Comment
  CAS-BOT-BC371433  Galium parisiense Greg de Nevers 1997-4-22 10953 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Above Bechtel House 400 Comment
  POM118792  Galium porrigens Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  POM67597  Galium porrigens Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UCD121891  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  JEPS6613  Galium porrigens var. porrigens Willis L. Jepson 1894-7-19 Sonoma Mt. St. Helena Napa River Basin Comment
  UCD166078  Gamochaeta purpurea Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC303507  Gamochaeta ustulata Walter Knight; Irja Knight 1963-8-13 316 Sonoma Horseshoe Cove Comment
  CDA10948  Garrya elliptica G. F. Hrusa, G. L. Stebbins 1994-3-28 11706 Sonoma North Coast Biodiversity Arena; Fisk Mill Parking area, Salt Point State Park. 7 Comment
  JEPS128304  Garrya elliptica Roger Raiche 2009-2-2 002 .09 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC727700  Garrya elliptica Milo S. Baker 1946-2-7 11261 Sonoma near Kenwood (Maplewood); Maplewood Comment
  CAS-BOT-BC182161  Garrya fremontii Walter Knight; Irja Knight 1963-12-27 465 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC278694  Gastridium phleoides Peter Rubtzoff 1962-9-16 5091 Sonoma Vacation Beach, 1.5 mi. below Guerneville Comment
  HSC101100  Gastridium phleoides Peter Warner 2011-8-10 229 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  UC50492  Gastridium ventricosum A. B. Leckenby June 1896 Sonoma Petaluma Comment
  UCR248754  Gastridium ventricosum Peter Rubtzoff 1970-8-19 6334 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero 38 Comment
  UCR248771  Gastridium ventricosum Peter Rubtzoff 1972-6-29 6798 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CHSC63908  Gaultheria shallon John Hale 1990-4-10 20 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  UCD105728  Genista monspessulana S. P. Lynch 2016-3-14 390 Sonoma 6 mi. west of Callistoga on St. Hwy 128. Comment
Read comments
May 16 2013
  UC353939  Gentiana sceptrum Milo S. Baker 3045 a Sonoma Pitkin Swamp Comment
  UCD161304  Geranium molle James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3702 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
  CDA34794  Geranium molle Peter Warner 2010-3-29 121 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  RSA74043  Gilia capitata Anonymous 1947-5-30 11776 Sonoma ca 2 mi NE of Occidental along Harrison grade Comment
  SEINET7067347  Gilia capitata A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  JEPS46208  Gilia capitata subsp. capitata Eleanor Armstrong 1932-5-15 453 Sonoma near Camp Meeker; near Camp Meeker 106 Comment
  UC1299523  Gilia capitata subsp. capitata Freed W. Hoffman 1946-6-14 595 Sonoma Wild Hog Ridge North Coast Ranges, Mill Creek, Palmer Creek branch (headwaters Mill Creek, Palmer Creek branch) Comment
  UC932032  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7960 Sonoma Rincon grade 4 mi nw Santa Rosa (on road to petrified forest); nw of Santa Rosa on road to petrified forest Comment
  UC52683  Gilia capitata subsp. capitata Milo S. Baker 1898-6-1 593 Sonoma Santa Rosa Cemetary Comment
  SEINET7075497  Gilia tricolor subsp. diffusa A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC266479  Githopsis diffusa Alice Eastwood 1915-6-6 4680 Sonoma Mount St Helena Comment
  JEPS78761  Githopsis specularioides L. R. Heckard with Michael Morris 1976-4-26 4231 Sonoma n of Guerneville (along n side of Gilman Creek, near road running nw of Vista Point and Redwood Lake (ca 0.75 mi from there)); Armstrong Redwoods State Park, Gilman Creek 182 Comment
  CAS-BOT-BC227652  Glyceria Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh. Comment
  UCD167339  Glyceria James A. Neilson Jr. 1983-5-9 4092 Sonoma Mayacmas Mountains. About 3 mi north of beginning of Geysers-Healdsberg Rd. (Location information obtained from Neilson 4091 which indicated milage is from the beginning of Geysers-Healdsberg Rd. Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET10817021  Glyceria P. Rubtzoff 1964-6-24 Rubtzoff 5379 Sonoma Coleman Marsh. Comment
  RSA786490  Glyceria declinata Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mi E of the Laguna de Santa Rosa. Comment
  UCSB45536  Glyceria elata Roos, John 1955-7-2 Sonoma Miller Ridge Comment
  CAS-BOT-BC282810  Glyceria leptostachya Peter Rubtzoff 1960-6-5 4433 Sonoma Laguna de Santa Rosa area northeast of Graton near the Laguna Road, Sonoma County Marshes Comment
  CAS-BOT-BC173582  Gnaphalium Peter Rubtzoff 1971-10-11 6720 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC302696  Gnaphalium palustre Peter Rubtzoff 1956-9-21 2935 Sonoma Vacation Beach, near Guerneville. Comment
  SEINET7098052  Gnaphalium purpureum A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point 38?_39'17" N, 123?_24'25" W. UTM Zone 10, 464591mE, 4278330mN. Comment
  CAS-BOT-BC261653  Gratiola Peter Rubtzoff 1967-7-30 5846 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA800602  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC251302  Gratiola ebracteata Peter Rubtzoff 1955-7-30 1992 Sonoma Bennett Mountain Lake. Comment
  UCR242983  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  CAS-BOT-BC164095  Grindelia Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  UCD158823  Grindelia James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2896 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  RSA785226  Grindelia Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa E of Graton. Comment
  SEINET11845375  Grindelia camporum W. Knight, Knight, I.; Knight, T. 1985-1 6349 Sonoma Pine Flat Road, between Jimtown & geothermal area Comment
  CAS-BOT-BC305185  Grindelia hirsutula G. DeNevers 1981-6-6 1445 Sonoma Pepperwood Ranch. At the first Pepperwood entrance Comment
  CAS-BOT-BC305196  Grindelia hirsutula Lewis S. Rose 1940-5-22 40364 Sonoma Sonoma 30 Comment
  UC75917  Grindelia hirsutula Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  SEINET3142907  Grindelia hirsutula M. P. Dunford 1959-10-3 559 Sonoma 1.8 mi. NE of Mark West Springs on Mark West Road Comment
  CAS-BOT-BC376295  Habenaria Greg de Nevers 1996-3-4 10785 Sonoma Field redacted by CAS, contact the data manager for more information 487 Comment
  UCD85229  Hainardia cylindrica P. G. Connors 1991-6-11 145 Sonoma University of California Bodega Marine Laboratory. Bodega Head. NW corner of Laboratory building. Comment
  UCD132736  Helenium bigelovii Chas. Heiser 1946-5-19 s.n. Sonoma Pitkin Marsh, Vine Hill region. Comment
  CAS-BOT-BC306765  Helenium bigelovii Milo S. Baker 1927-6-9 2217 b Sonoma About Kenwood Comment
  CAS-BOT-BC309582  Helenium puberulum Peter Rubtzoff 1951-11-24 833 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UC479400  Helenium puberulum Marcus E. Jones, A. M. 1931-7-5 29104 Sonoma The Geysers Comment
  CAS-BOT-BC262955  Helenium puberulum Peter Rubtzoff 1961-6-23 4645 Sonoma Bennett Mountain Lake. Comment
  UCD151000  Helianthella californica D. S. Park; S. Nicole 2010-5-11 79 Sonoma Bodega hwy. Comment
  CAS-BOT-BC305582  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  POM187930  Helianthus bolanderi Marcus E. Jones 1931-7-5 29121 Sonoma The Geysers. Comment
  CAS-BOT-BC258385  Hemizonia Peter Rubtzoff 1966-6-5 5753 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC258906  Hemizonia Peter Rubtzoff 1961-8-24 4703 Sonoma Fife Creek Marsh. Comment
  RSA0056566  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. Comment
  CDA36844  Hemizonia congesta 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
  OBI49651  Hemizonia congesta G. Yatskievych, K. Yatskievych 1988-8-20 88 -160 Sonoma W side of Santa Rosa, just E of jctn with Llano Rd on State Rte 12 to Sebastopol 100 Comment
  UC89015  Hemizonia congesta J. W. Congdon 1880-8-1 Sonoma Santa Rosa Road Comment
  JEPS38350  Hemizonia congesta subsp. clevelandii W. L. Jepson 1921-9-12 9489 Sonoma Hayground Alexander Valley (s side of valley) 45 Comment
  CAS-BOT-BC306215  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10240 Sonoma Region of San Francisco Bay. 4 mi. northwest of Petaluma 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
  SEINET7096780  Hemizonia congesta subsp. congesta A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane. Ca. 1 mile east of Occidental. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  UC897705  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  SD53369  Hemizonia congesta subsp. congesta Darley F. Howe 1962-7-28 3358 Sonoma 6.3 miles east of Marin -Sonoma County line of Highway 37. Comment
Read comments
Sep 10 2008
  UCD132985  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-6-16 1063 Sonoma north side of Occidental Road and Facendini Lane. Comment
  UCR254915  Hemizonia congesta subsp. leucocephala Greg de Nevers 1998-6-9 11270 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS86293  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1989-6-6 1019 Sonoma n side of intersection of Facindini Ln. and Occidental Road Comment
  CAS-BOT-BC309694  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 -B Sonoma 4-1/2 mi. S of Santa Rosa Comment
  CAS-BOT-BC309705  Hemizonia congesta subsp. lutescens Catherine Best 1981-8-22 s.n. Sonoma Morelli Lane about 2 miles northeast of Occidental Comment
  CAS-BOT-BC309712  Hemizonia congesta subsp. lutescens Catherine Best 1981-6-5 s.n. Sonoma Hwy. 1, one mile north of Jenner Comment
  CAS-BOT-BC309722  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-10-1 6052 Sonoma Laguna on College Ave Hiwy Comment
  UC197517  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 19246 a Sonoma 14 mi nw Petaluma (2 mi e of Tocaloma) Comment
  RSA795176  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2805 Sonoma West slope of Mayacamas Mountains, end of Los Alamos Rd., 4.6 miles east of intersection Hwy 12, parking area next to Hood Mountain Regional Park 427 Comment
  SEINET4560744  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-1 2807 Sonoma North Coast Ranges: Sonoma Valley, Felder Creek drainage, west side of Macabee Rd., 0.2 mi. north of Felder Rd., west of Arnold Dr. 34 Comment
  UC480911  Hemizonia congesta subsp. luzulifolia Katharine Brandegee 1910-8-14 Sonoma Cobb. Mt. Cobb Mt. Comment
  UCR233076  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12 329 Comment
  CAS-BOT-BC309941  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  RSA169313  Hemizonia lutescens L. S. Rose 1964-8-26 64067 Sonoma 5 miles NE of Penngrove. 244 Comment
  RSA81599  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S of the Geysers. Comment
  UCSB16906  Hemizonia multicaulis Dennis E. Breedlove 1961-12-31 1437 Sonoma collected 2.3 mi S, along State Highway 1 Russian River - , and State Highway 1 30 Comment
  RSA81677  Hemizonia parryi subsp. parryi James I. McMurphy 1909-8-7 697 Sonoma Calistoga Warm Springs. Comment
  SD40684  Hesperocyparis macnabiana Carl B. Wolf, E. R. Johnson 1934-10-18 Sonoma Head of Hooker Canyon, 4.7 miles east of Sonoma-Kenwood Road 550 Comment
  OBI7233  Hesperocyparis sargentii Lewis S. Rose 1955-7-11 55113 Sonoma 2 mi E of Occidental 244 Comment
  SD40697  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2 miles from Occidental, Coys Ranch 89 Comment
  UC1212400  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UC1212387  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4126 Sonoma n of Pine Flat (slopes above Florence Creek); Inner North Coast Ranges, Mayacamas Mountains, Florence Cree 670 Comment
  RSA264760  Heterocodon rariflorum Peter Rubtzoff 1963-5-26 5133 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC149836  Heteromeles arbutifolia A. A. Heller 1902-7-8 5815 Sonoma Between Healdsburg and Geyserville Comment
  CHSC107541  Heterotheca oregona D. G. Kelch; Troy McGregor 2010-8-22 10 .360 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. 268 Comment
  UCD166419  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC311221  Heterotheca sessiliflora subsp. echioides Peter Rubtzoff 1975-8-16 8329 Sonoma Annadel State Park. Near trail between Bennett Mtn. Lake and Bennett Ridge Road (south of Bennett Mtn. Lake) Comment
  JEPS23929  Heuchera micrantha var. diversifolia Volney Rattan 1877-1 Sonoma Guerneville Comment
  RSA0063040  Heuchera pilosissima H. C. Cantelow 1941-6-7 s.n. Sonoma Near Bodega Bay. On State Hwy 1. Comment
  RSA0063041  Heuchera pilosissima Herbert Thomas 1933-5-12 s.n. Sonoma Near Larkspur Rock. Comment
  SD64434  Heuchera pilosissima Darley F. Howe 1966-6-2 4262 Sonoma 5 miles south of Bodega Bay Comment
  CAS-BOT-BC319704  Hieracium albiflorum D. E. Breedlove 1980-6-28 44817 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CHSC8208  Hierochloe occidentalis Dave Isle 1969-5-10 448 Sonoma 8 miles S. of Stewarts Point off the E. side of HW 1. 30 Comment
  SEINET12155809  Hoita macrostachya J. P. Tracy 1951-1 19628 Sonoma Alexander Valley 5miE of Geyserville Comment
  CDA9234  Hoita orbicularis D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC280798  Holcus lanatus John H. Thomas 1976-6-16 18342 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  JEPS97538  Holcus lanatus R. D. Stone 1980-11-28 321 Sonoma the Sea Ranch; Annapolis Road area just below and west of landing strip Comment
  UC1056243  Holcus lanatus Virginia E. Long 1930-9-13 6 a Sonoma about 10 mi n Cloverdale Comment
Read comments
Aug 15 2010
  UC65194  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Santa Rosa Comment
  CAS-BOT-BC280797  Holcus lanatus Gordon H. True; Fred Ross 1969-10-19 5152 Sonoma Point Reyes Bird Observatory 3 mi. NW of Bolinas, Marin Co. at Arroyo Honda Comment
  CAS-BOT-BC320404  Holocarpha virgata James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  JEPS128305  Holodiscus Roger Raiche 2009-8-30 045 .09 Sonoma The Cedars. Bullfrog Pond Area. Lower Russian River, East Austin Creek watershed. Comment
  POM139648  Holodiscus discolor Willie Randall 1898-06 607 Sonoma Near Sebastopol. Comment
  UCD151133  Holodiscus discolor James A. Neilson Jr. 1973-6-6 3115 Sonoma Mayacmas Mountains. The Geysers. Site III. [Elevation and coordinates estimated by label maker.] 731 Comment
  UCD158726  Holodiscus discolor var. discolor Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns.Along Big Sulpher Creek. Ca.1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  UCR279627  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 363 Comment
  CAS-BOT-BC166740  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC289293  Hordeum brachyantherum subsp. brachyantherum Barrett Anderson 1987-4-27 3464 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  UCSB50253  Hordeum brachyantherum subsp. brachyantherum Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 13 Comment
  CAS-BOT-BC285008  Hordeum depressum L. R. Abrams 1918-4-27 6923 Sonoma Independence School near Healdsburg Comment
  SEINET248557 Image available Hordeum leporinum Richard R. Halse 1987-2-2 3375 Sonoma Along State Hwy. 121, .4 miles E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  UC573658  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 mi nw Graton; Sebastopol Quad. Comment
  UC573679  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-5-16 5601 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UCD85899  Hordeum marinum subsp. gussoneanum R. Tofsrud 1949-4-1 s.n. Sonoma Airport. Comment
  SEINET10595770  Hordeum murinum A. Arthur Heller 1902-4-11 Heller 5278 Sonoma Bodega Bay in sand. Comment
  CAS-BOT-BC282021  Hordeum murinum subsp. leporinum Peter Rubtzoff 1960-5-22 4400 Sonoma Laguna de Santa Rosa area E of Graton (between Occidental and Guerneville Rds) Comment
  UCD86247  Hordeum murinum subsp. leporinum Gerry North 1993-4 2 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  SEINET4670535  Hordeum murinum subsp. leporinum V. Longozo 1999-4-19 s.n. Sonoma Bodega Bay Highway 0 Comment
  JEPS44586  Horkelia californica Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  JEPS86813  Horkelia tenuiloba Jack and Betty Guggolz 1991-5-4 1126 Sonoma one mi w Dry Creek Road (firebreak on the south side of Bradford Mountain); Bradford Mountain 341 Comment
  UC353821  Horkelia tenuiloba Milo S. Baker 1928-6-28 3197 b Sonoma Pitkin Farm, upland Vine Hille District Comment
  UCD158717  Hosackia crassifolia Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 3.5 mi east of the junction of Socrates Mine Rd. and Pine Flat Rd. Shell US Geothermal #2. Elevation estimated by label maker. [note by label-maker: 3.5 mi southeast would take location out of Sonoma County and out of the geothermal area, unless is road miles]. 975 Comment
  UCD106011  Hosackia gracilis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-5 126 Sonoma Unit 35-C Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD106019  Hosackia gracilis Freed W. Hoffman 1947-4-22 626 Sonoma Roadside between Sebastopol and Petaluma. Comment
  UCD106188  Hosackia stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma Vine Hill, W of Santa Rosa Comment
  CAS-BOT-BC175971  Hypericum Peter Rubtzoff 1971-6-10 6535 Sonoma Pitkin Marsh, near Forestville. Near the southern end of the upper part of the marsh Comment
  CAS-BOT-BC400958  Hypericum anagalloides John Thomas Howell 1946-8-17 22876 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC400994  Hypericum anagalloides Carl B. Wolf 1927-9-2 1349 Sonoma One mile south of the Gualala River on coast road Comment
  UCD53888  Hypericum calycinum Dorothy Kleinschmidt 2005-9-4 s.n. Sonoma Santa Rosa. Comment
  UC19034  Hypericum concinnum H. N. Bolander 1864-1 3948 Sonoma at the Geysers Comment
  SEINET11993380  Hypericum concinnum W. Knight, Knight, I.; Edwards, S. 1986-1 5342 Sonoma Along trail to summit of Geyser Peak 853 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-BC316685  Hypochaeris glabra Greg de Nevers 1981-4-23 798 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC316716  Hypochaeris radicata Carl B. Wolf 1927-9-2 1347 Sonoma 2 miles south of Anchor Cove Comment
  POM118406  Iris Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCD138709  Iris douglasiana R. H. Miller 1949-4-6 15 Sonoma along coast Highway 1, about 5 miles south of Jenner/ Comment
  JEPS88860  Iris fernaldii Carol A. Wilson 1992-4-18 92 -ph4 Sonoma 0.6 mi from East Mark Springs Dr. junction with Old Redwood Hwy. (on East Mark Springs Dr, near Petrified Forest, ne of of Santa Rosa) Comment
  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
  RSA48722  Iris fernaldii Lee W. Lenz 1949-5-2 14427 Sonoma Santa Rosa - Calistoga Road, 0.5 mile from junction with road to Mark West Springs 610 Comment
  UC972202  Iris longipetala J. Harry Goff 1935-4-25 Sonoma Kenwood; Goff Ranch Comment
  CHSC22983  Iris macrosiphon Robert A. Schlising; Et al 1962-3-31 2115 Sonoma Along Cavedale Road, NE of Agua Caliente. Comment
  RSA178012  Iris macrosiphon Robert F. Thorne 1965-4-19 34291 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  SD56796  Iris macrosiphon Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  UCD55146  Iris macrosiphon Ellen Dean; Tammie Beyerl 2006-4-28 3028 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 254 Comment
  RSA123134  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 miles north of Camp Meeker 91 Comment
  CAS-BOT-BC61919  Isoetes nuttallii John Thomas Howell 1937-6-6 13029 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC61921  Isoetes nuttallii J. Clausen 1935-5-24 1078 Sonoma Adobe Canyon along Sonoma Creek Comment
  CAS-BOT-BC61922  Isoetes nuttallii Leo Koch 1938-4-1 78 Sonoma off Adobe Canyon near Kenwood Comment
  CAS-BOT-BC112571  Isolepis cernua Peter Rubtzoff 1954-8-10 1670 Sonoma Bodega Head Marsh. Comment
  SD134077  Isolepis cernua Peter Rubtzoff 1954-8-3 1635 Sonoma Lower Salmon Creek Marsh, open, wet ground. (IPB 11/07) Comment
  CAS-BOT-BC340226  Jaumea carnosa Peter Rubtzoff 1962-8-3 5029 Sonoma Lower Salmon Creek Marsh Comment
  UCD166263  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles East of Guerneville, along Russian River at Forest Hills. Comment
  UCD110266  Juglans hindsii Frederica Bowcutt 1997-7-20 2202 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 3 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC164032  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6224 Sonoma Sonoma: Five miles north of Sears Point Comment
  POM111209  Juncus bolanderi Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UC842252  Juncus bolanderi Marcus E. Jones, A. M. 1882-7-17 3523 Sonoma Duncan's Mills Comment
  UCD141366  Juncus bufonius Frederica Bowcutt 1994-5-21 1840 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood and 18 air miles NW of Napa. On Hillside Trail 1 mile from junction with Grey Pine Trail. Comment
  CAS-BOT-BC361401  Juncus capitatus Greg de Nevers 1993-5-6 10430 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Weimar Flat 457 Comment
  UCD55072  Juncus capitatus Ellen Dean; Tammie Beyerl 2006-4-28 3016 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  CAS-BOT-BC182750  Juncus dubius Peter Rubtzoff; Betty Lovell 1975-8-11 8314 Sonoma Kenwood Marsh Comment
  CDA9235  Juncus dubius D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UCR244616  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh Comment
  UCR279616  Juncus hesperius Peter Rubtzoff 1959-6-20 4178 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC290568  Juncus lescurii Peter Rubtzoff 1954-8-9 1665 Sonoma Bodega Head Marsh. Comment
  HSC42040  Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay near the ocean Comment
  UCD141578  Juncus lescurii Terri Williamson 1990-5-20 64 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  RSA0015644  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh. Comment
  UCD161770  Juncus nevadensis James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD142832  Juncus xiphioides Frederica Bowcutt 1994-6-24 1895 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  CDA37336  Keckiella lemmonii D. G. Kelch, T. McGregor 2010-8-22 10 .344 Sonoma Geyser Peak Rd. Comment
  RSA0023016  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  JEPS45811  Koeleria macrantha Eleanor Armstrong 1932-5-23 170 Sonoma 5 mi nw Santa Rosa (near Mark West); nw of Santa Rosa 137 Comment
  UCD85719  Koeleria macrantha T. S. Brandegee 1888-6-1 s.n. Sonoma Island of Santa Rosa, coast of California. Comment
Read comments
Apr 25 2016
  UC903716  Koeleria macrantha Milo S. Baker 1947-5-7 11733 Sonoma 2 mi n Kenwood (above house at Maplewood); n of Kenwood Comment
  CAS-BOT-BC499665  Kopsiopsis strobilacea Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC176156  Lactuca Peter Rubtzoff 1958-9-6 3975 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC340657  Lactuca serriola Walter Knight; Irja Knight 1963-10-6 489 Sonoma Skillman Lane, Petaluma Comment
  CAS-BOT-BC340658  Lactuca serriola Mary P. Wells 1985-8-6 590 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC340660  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC274315  Lagurus ovatus David D. Keck 1948-6-29 5927 Sonoma Fort Ross, at the chapel 30 Comment
  UCD63266  Lagurus ovatus Chris Bowen 1974-5-18 121 Sonoma Sea Ranch, near Whalers' Ranch, near State Highway 1, Unit 7 Owners' Map. Comment
  HSC94178  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail. 177 Comment
  UCD151185  Lamarckia aurea James A. Neilson Jr. 1974-4-17 2983 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  CAS-BOT-BC490425  Lamiaceae Peter Rubtzoff 1971-6-25 6566 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing Comment
  UC66154  Lamium amplexicaule A. A. Heller 1902-6-7 5658 Sonoma Santa Rosa Comment
  CDA28919  Lamium purpureum C. Morgan 2009-3-19 s.n. Sonoma Kenwood, 9550 Frederica. 0 Comment
  UC1594207  Lasthenia burkei L. Huntington 1990-5-4 255 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  UCD133642  Lasthenia burkei Peter Rubtzoff 1966-5-7 5716 Sonoma Laguna de Santa rosa east of Graton, between Occidental and Guerneville roads. Comment
  RSA784686  Lasthenia burkei Mark Elvin 1997-5-7 396 Sonoma NW Windsor, N-end of Herb Rd off Gumview Rd. 11 Comment
  UCD136284  Lasthenia californica M. Rei Scampavia Evangelista 2012-5-4 2 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 260 meters. 408 Comment
  CAS-BOT-BC346330  Lasthenia californica G. DeNevers 1981-4-16 729 Sonoma Pepperwood Ranch, by Studio Comment
  RSA585976  Lasthenia californica Adree M. Desrochers 1989-4-18 451 Sonoma 12 miles S of Fort Ross State Historic Park; on W side of Hwy 1. Comment
  UC726335  Lasthenia californica subsp. bakeri A. A. Heller 1938-5-14 15086 Sonoma e Bodega Bay Comment
  UCD33794  Lasthenia californica subsp. macrantha Beecher Crampton 1973-5-5 8926 Sonoma Sonoma Coast State Park at Carmet. Comment
  CAS-BOT-BC355522  Lasthenia glaberrima Alice Eastwood 1917-5-13 s.n. Sonoma Road to Bodega Point Comment
  CAS-BOT-BC355524  Lasthenia glaberrima Peter Rubtzoff 1958-5-10 3654 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  CAS-BOT-BC355534  Lasthenia glaberrima Peter Rubtzoff 1961-5-24 4602 Sonoma Upper Stemple Creek Marsh Comment
  UC517469  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  UCD133808  Lasthenia gracilis Gerry North 1993-3 30 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. 18 air miles northwest of Napa. At picnic site across from parking lot east of kiosk along Adobe Canyon Road. 381 Comment
  POM52107  Lasthenia macrantha subsp. bakeri Katherine Brandegee 1905-6-27 s.n. Sonoma From Bodega to Bodega Bay, on west side of stream, crossed by road before turning north Comment
  CAS-BOT-BC370854  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC370897  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 mi. S. of Jenner, close to ocean between grass. Comment
  UC1028300  Lasthenia minor George B. Rossbach 1955-3-19 516 Sonoma sw end Bodega Head 30 Comment
  CAS-BOT-BC370898  Lasthenia minor A. A. Heller 1940-5-17 15628 Sonoma north of town of Bay, Bodega Bay Comment
  SD88403  Lasthenia minor Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  RSA783475  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park Comment
  CAS-BOT-BC164395  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa. Comment
  UC1084420  Lathyrus jepsonii var. californicus G. Thomas Robbins 1937-5-23 189 Sonoma near Wright School (between Santa Rosa and Sebastopol) Comment
  UCD106362  Lathyrus latifolius Terri Williamson 1990-5-20 45 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  UCD106341  Lathyrus polyphyllus P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  RSA0060103  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 100 Comment
  UCR141954  Lathyrus sphaericus Beecher Crampton 1966-5-10 7723 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  UCR255730  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD144410  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma Franz Valley Road, approximately 3 miles west of Knights Valley intersection with Highway 128. 150 Comment
  UC30599  Layia chrysanthemoides H. N. Bolander 1864-1 3902 Sonoma Mark West Comment
  UC913069  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 mi e Shellville (just e of intersection of Sonoma Road) Comment
  CAS-BOT-BC323231  Layia chrysanthemoides David D. Keck 1933-5-28 2319 Sonoma 2 miles N of Sears Point Comment
  CAS-BOT-BC323256  Layia chrysanthemoides Marian L. Campbell 1921-4-15 s.n. Sonoma Sonora Comment
  HSC103521  Layia chrysanthemoides Thomas W. Nelson, Jane Nelson 1981-5-3 6469 Sonoma Along Presseley Rd., ~ 3 mi. N of junction with Roberts Rd. Comment
  CAS-BOT-BC313745  Layia chrysanthemoides subsp. maritima J. Clausen 1935-5-24 1090 Sonoma 6.2 miles S of Jenner Comment
  CAS-BOT-BC321739  Layia gaillardioides David D. Keck; J. Clausen 1935-6-15 3379 Sonoma Russian River, 3 mi above mouth. Comment
  CAS-BOT-BC379622  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 miles south of Jenner Comment
  UC57867  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  CAS-BOT-BC274360  Leersia oryzoides Peter Rubtzoff 1961-10-18 4772 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  CAS-BOT-BC274358  Leersia oryzoides John Thomas Howell 1946-8-17 22880 Sonoma The Laguna just east of Sebastopol Comment
  RSA0056431  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road. 91 Comment
  CAS-BOT-BC210107  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  UC1106279  Lemna gibba John Thomas Howell 1946-9-20 23028 Sonoma near Twin Rocks (Two Rock (acc. map)); Two Rock Comment
  RSA0028898  Lemna gibba Peter Rubtzoff 1961-8-6 4674 Sonoma Americano Creek, 0.5 mi east of Valley Ford. Comment
  RSA785222  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi NE of Penngrove near Lichan Road. Comment
  UCR256273  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  RSA0065913  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC339166  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-21 501 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes Comment
  CAS-BOT-BC215729  Lepechinia calycina Walter Knight; Irja Knight 1964-1-17 512 Sonoma Upper Hooker canyon, Cavedale Road Comment
  RSA790009  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC320566  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC273994  Leptochloa fusca subsp. fascicularis John Thomas Howell; W. Knight; I. Knight 1988-7-6 s.n. Sonoma Old Redwood Highway & Adobe Road, Penngrove Comment
  SBBG5965  Leptosiphon androsaceus H. and M. Dearing 1939-5-14 3354 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  RSA122133  Leptosiphon androsaceus E. Armstrong 1934-3-26 936 Sonoma 4 miles N. of Camp Meeker 61 Comment
  UCR265105  Leptosiphon bicolor Ann Howald 2015-4-1 3337 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 18.3 miles west of intersection with Rockpile Rd, Wolf Creek drainage 131 Comment
  RSA79052  Leptosiphon bicolor E. K. Balls, Lee W. Lenz 1952-5-8 17111 Sonoma 4.4 mi NW from Mark West Springs on road to Kellogg 107 Comment
  CAS-BOT-BC226701  Leptosiphon jepsonii D. E. Breedlove 1983-4-11 58684 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS128322  Leptosiphon parviflorus Roger Raiche 2000-3-26 012 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  UC1785058  Leptosiphon parviflorus J. Ewan 1935-5-13 9258 Sonoma Wright School on Sebastopol road Comment
  UCD118981  Leptosiphon parviflorus Frederica Bowcutt 1994-5-1 1788 Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco. About 10 air miles east of Santa Rosa. About 1.5 air miles north of Kenwood. About 18 air miles northwest of Napa. South of Sonoma Creek about 125 yards, 0.25 mile northwest of confluence with Rattlesnake Creek. 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
  RSA0001374  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  SEINET1782117  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  CAS-BOT-BC324188  Lessingia hololeuca W. Spence 1960-9-13 630 Sonoma 2 miles south of Monte Rio on road to Camp Meeker and Occidental Comment
  UCD132703  Lessingia ramulosa Frederica Bowcutt 1994-7-5 1937 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NEof Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, W of Bear Creek along Goodspeed Trail 231 Comment
  UCR246786  Leucojum aestivum Ramona Robison 2012-2-15 s.n. Sonoma Santa Rosa, Annadel State Park 351 Comment
  CAS-BOT-BC451703  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  CAS-BOT-BC451709  Lilaea scilloides Peter Rubtzoff 1955-5-7 1815 Sonoma Ross Marsh. Comment
  CAS-BOT-BC451711  Lilaea scilloides Peter Rubtzoff 1958-5-3 3609 Sonoma Atascadero Creek Marsh. Comment
  UCD139747  Lilium pardalinum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-27 78 A Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC130835  Lilium pardalinum J. W. Congdon 1880-6-21 s.n. Sonoma Sebastopol Road Comment
  CHSC22062  Limnanthes douglasii Robert A. Schlising 1962-3-31 2109 Sonoma Coast Ranges. Field. Comment
  SFV2129  Limnanthes douglasii C. Bracker 1961-4-29 14 Sonoma North Coast Ranges 4 miles south of Occidental. 75 Comment
  UC1057485  Limnanthes douglasii G. Thomas Robbins 1938-4-15 259 Sonoma 6-7 mi w Santa Rosa (along road to Graton) Comment
  SEINET6205134  Limnanthes douglasii L. S. Rose 1965-1 65020 Sonoma Sonoma Comment
  UC75635  Limnanthes douglasii subsp. douglasii Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  UC971870  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-14 1123 Sonoma 0.3 mi n El Verano School (open field w side of road) Comment
  RSA178016  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34274 a Sonoma Titus Ranch, Valley Ford. 18 Comment
  SEINET6670470  Limnanthes douglasii subsp. douglasii C. T. Mason 1949-4-11 1249 Sonoma West side of highway 37, 2.4 miles north of junction of state highway 37 and 48, Sears Point. Comment
  JEPS86750  Limnanthes douglasii subsp. nivea Jack and Betty Guggolz 1990-4-21 1031 Sonoma intersection of Wilfred and Whistler (nw quadrant, a mi w of Hwy 101 and a little less than 3 mi nnw of center of Cotati) 27 Comment
  CAS-BOT-BC45947  Limnanthes vinculans Peter Rubtzoff 1966-5-29 5726 Sonoma Laguna de Santa Rosa area east of Cunningham (nr. Llano Road). Comment
  CAS-BOT-BC45943  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC258682  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  UCD166114  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  SEINET6969971  Linanthus androsaceus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma About 7.8 miles south-southeast of Annapolis. Comment
  CAS-BOT-BC225244  Linanthus latisectus Greg de Nevers 1995-5-5 10722 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, on the way to Wiemar Flat 487 Comment
  UC133827  Linanthus parviflorus Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  SEINET7067248  Linum bienne A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  JEPS70989  Linum grandiflorum Peter Rubtzoff 1972-4-23 6727 Sonoma 0.9 mi s Meacham Road junction with Stony Point Road (near Public Refuse Disposal Area road 0.25 mi w of Meacham Road junction) Comment
  CAS-BOT-BC430586  Lithophragma affine G. DeNevers 1981-4-11 700 Sonoma Pepperwood Ranch, along road below Lower Orchard Comment
  CAS-BOT-BC361419  Logfia gallica Greg de Nevers 1993-5-30 10465 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  UC1093862  Logfia gallica Herbert L. Mason 1947-5-4 13210 Sonoma near Kenwood; Hood Mountain Comment
  CAS-BOT-BC342494  Logfia gallica Barbara Keller 1990-4-30 2037 Sonoma On Coleman Valley Rd. 6 miles west of Occidental Comment
  CAS-BOT-BC283286  Lolium multiflorum Peter Rubtzoff 1951-7-21 488 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  JEPS81825  Lomatium californicum Edward Lee with W. A. Setchell 1936-6-8 2208 Sonoma Belvedere, Bohemian Grove Comment
  POM133383  Lomatium californicum A. A. Heller, H. E. Brown 1902-3-28 s.n. Sonoma Hills at Santa Rosa Comment
  RSA452569  Lomatium caruifolium Christopher Davidson 1977-6-20 6011 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA97148  Lomatium caruifolium F. W. Peirson, Mabel Peirson 1926-4-1 6548 Sonoma 6 miles south of Cloverdale Comment
  UCR45090  Lomatium dasycarpum L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SEINET7040129  Lomatium dasycarpum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  SD130504  Lomatium macrocarpum F. Almeda, G. DeNevers 1981-4-28 4905 Sonoma Pepperwood Ranch, ca. 1/2 mile from main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Road. Comment
  SD71327  Lomatium repostum John Thomas Howell 1966-6-2 41551 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC217810  Lomatium repostum Alice Eastwood 1923-5-9 11740 Sonoma Hills above Calistoga Comment
  UC1714578  Lomatium utriculatum J. Burtt Davy 1896-3-15 1668 Sonoma near Cazadero Comment
  CAS-BOT-BC258030  Lonicera Peter Rubtzoff 1962-4-11 4787 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD137329  Lonicera hispidula Frederica Bowcutt; Jeff Kennedy, Jolie Hendricks 1994-5-1 1748 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; 10 air miles E of Santa Rosa; 18 air miles NW of Napa; 1.5 air miles NE of Kenwood. In Adobe Canyon along Goodspeed Trail approximately 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  UCD160882  Lonicera interrupta James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3270 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC1299561  Lonicera involucrata var. ledebourii Freed W. Hoffman 1947-2-23 618 Sonoma Russian Gulch near mouth of stream North Coast Ranges Comment
  CAS-BOT-BC243995  Lonicera involucrata var. ledebourii Mary P. Wells 1982-8-24 s.n. Sonoma Salt Point State Park Comment
  SEINET12327831  Lonicera ledebourii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -148 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  CAS-BOT-BC293682  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  CAS-BOT-BC294706  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA0020334  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  RSA0020335  Lotus Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh. Comment
  POM232043  Lotus angustissimus Roxana S. Ferris 1937-8-19 9379 Sonoma 1.5 mi. north of Fort Ross on State Highway 1. Comment
Read comments
Dec 13 2015
  SD113608  Lotus angustissimus Darley F. Howe 1962-7-2 3573 Sonoma 0.9 mile north of junction with #12 on #1. Comment
  HSC2127  Lotus formosissimus C. B. Wolf 1927-9-2 1353 Sonoma 1.0 mi. S of Gualala River Comment
  UC54909  Lotus formosissimus J. B. Clifford 1903-4-25 Sonoma Forestville Comment
  SEINET7096776  Lotus humistratus A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane.Ca 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  UC1285193  Lotus junceus var. biolettii R. F. Hoover 1964-9-8 9286 Sonoma near Fort Ross; Kolmer Gulch Comment
  UC1129078  Lotus micranthus H. S. Yates 1934-4-22 3846 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  SEINET8721506 Image available Lotus purshianus Unknown s d 38255 Sonoma Bloomfield 30 Comment
  RSA27256  Lotus scoparius var. scoparius Marcus E. Jones 1902-7-18 s.n. Sonoma Duncans Mills Comment
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Nov 19 2011
  UC424766  Lotus stipularis var. stipularis Milo S. Baker Jun 1929 3573 b Sonoma near Vine Hill School House Comment
  CHSC20629  Lotus uliginosus Robert A. Schlising; G. Keator 1963-7-27 2632 Sonoma California Coastal Range. On east side of Bodega Peninsula. Comment
  CDA36840  Lotus wrangelianus 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
  SEINET7067332  Lotus wrangelianus A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  UC726330  Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma n of Bodega Bay Comment
  CAS-BOT-BC249321  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  RSA0034039  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD65934  Ludwigia hexapetala B. J. Grewell 2006-11-10 06- 91 -LU Sonoma Russian River just downstream of seasonal dam, Veteran's Memorial Park, Healdsburg. Access via kayak. 23 Comment
  CAS-BOT-BC251206  Ludwigia palustris Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC261647  Ludwigia palustris Peter Rubtzoff 1961-9-6 4738 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  UC1714538  Ludwigia palustris Michener and Bioletti 1892-7-24 Sonoma Glen Ellen Comment
  UCR280189  Ludwigia palustris Peter Rubtzoff 1958-8-9 3858 Sonoma Laguna de Santa Rosa, north of Sebastopol, near Occidental Road 20 Comment
  CAS-BOT-BC251285  Ludwigia palustris Peter Rubtzoff 1954-7-17 1551 Sonoma Austin Creek Marsh. Comment
  POM312607  Ludwigia palustris var. pacifica H. L. Mason 1946-7-4 12886 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  UC424853  Lupinus Milo S. Baker 1929-5-7 3452 b Sonoma near Sebastopol; near Sebastopol Comment
  CAS-BOT-BC201294  Lupinus Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 4 miles north of Bay, on state highway 1 Comment
  UCD106018  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western Base of Mt. Hood Comment
  CAS-BOT-BC196045  Lupinus albifrons var. collinus A. A. Heller 1940-5-17 15632 Sonoma About 2 miles east of Bodega Bay, near State Highway #1 Comment
  CAS-BOT-BC196152  Lupinus albifrons var. douglasii F. W. Johnson 1890-9-10 57 Sonoma Santa Rosa Comment
  POM11031  Lupinus albifrons var. eminens A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 7175 Sonoma Western base of Mt. Hood. Comment
  UCD13244  Lupinus arboreus Richard Sundquist 1977-5-1 9 Sonoma Bodega Head. 15 Comment
  POM299302  Lupinus arboreus var. eximius H. C. Cantelow 1941-6-7 s.n. Sonoma 4 miles north of Bay, State Highway 1. Comment
  UC73239  Lupinus bicolor Miss M. Alice King May 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UCD150127  Lupinus bicolor Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  CAS-BOT-BC187858  Lupinus chamissonis Alice Eastwood; John Thomas Howell 1939-4-2 7362 Sonoma Larkspur Rock Comment
  CAS-BOT-BC187860  Lupinus chamissonis Alice Eastwood 1915-6-29 4845 Sonoma Bodega Point Comment
  SEINET10838181  Lupinus densiflorus Joseph W. Congdon 1880-5-30 Congdon s.n. Sonoma Petaluma. Comment
  POM186932  Lupinus densiflorus var. aureus Marcus E. Jones 1931-7-5 28954 Sonoma The Geysers. Comment
  SEINET10485230  Lupinus densiflorus var. crinitus A. Arthur Heller 1938-5-14 Heller 15091 Sonoma Grassy roadside banks near two rooks, w of petaluma, growing in dense colonies In clay soil. Fresh fls mostly deep violet. Humid transition life zone. 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
  UC1542825  Lupinus formosus M. L. Conrad, Dunn, and LeDoux 1973-6-9 7084 Sonoma on Hwy 121, 0.6 mi w Sonoma-Napa County line 60 Comment
  UC725356  Lupinus formosus A. A. Heller 1940-5-17 15638 Sonoma 2 mi e Shellville (along State Hwy 37); ; E of Shellville along State Hwy. 37. Upper Sonoran Life Zone. Comment
  SEINET11160113  Lupinus formosus var. robustus Unknown 1973-6-9 20712 Sonoma Sonoma County Comment
  UC1129697  Lupinus latifolius H. S. Yates 1934-4-22 3834 Sonoma 3 mi e Mark West; Calistoga Quadrangle Comment
  POM10762  Lupinus latifolius subsp. latifolius A. A. Heller, H. E. Brown 1902-4-17 5320 Sonoma Hills at Santa Rosa Comment
  RSA177946  Lupinus latifolius var. latifolius Robert F. Thorne 1965-4-19 34317 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UC865303  Lupinus littoralis W. Bridge Cooke 1942-7-5 16355 Sonoma along State Route 1 near Jenner; near Jenner Comment
  UC727104  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15635 Sonoma along State Highway #1, one mi e Valley Ford; e of Valley Ford Comment
  SDSU4969  Lupinus microcarpus var. microcarpus D. F. Howe 1966-6-2 4263 Sonoma 0.5 miles south of Bodega Bay. Comment
  SD130431  Lupinus nanus F. Almeda, G. DeNevers 1981-3-30 4887 Sonoma Pepperwood Ranch; summit and east-facing slope of Three Tree Hill. Comment
  UC727108  Lupinus nanus A. A. Heller 1940-4-22 15549 Sonoma along State Highway #12 e Santa Rosa; e of Santa Rosa Comment
  UC73194  Lupinus nanus Milo S. Baker 1898-4 706 Sonoma hills near Santa Rosa; hills near Santa Rosa Comment
  UC865365  Lupinus pachylobus Alice Eastwood 1918-5-1 6844 Sonoma Mt. St. Helena Comment
  SEINET13184148 Image available Lupinus succulentus A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  CAS-BOT-BC202173  Lupinus tidestromii Catherine Best 1980-5-1 s.n. Sonoma On the south side of the mouth of the Russian River Comment
  POM304144  Lupinus variicolor H. C. Cantelow 1940-4-20 s.n. Sonoma 2 miles S of S. end of Russian River Bridge, Highway 1. Comment
  SBBG125951  Lupinus variicolor D. Huang 2006-5-30 06053006 Sonoma Bodega Marine Laboratory, coastal bluff near building 2 Comment
  UCD109671  Lupinus variicolor P. B. Kennedy 1915-5-31 26 Sonoma along roadside, Del Mar. Comment
  CAS-BOT-BC210068  Luzula Peter Rubtzoff 1951-9-3 741 Sonoma Guerneville, Vacation Beach, Russian River Comment
  UCD166732  Luzula Peter Rubtzoff 1958-5-17 3680 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCD166736  Luzula Peter Rubtzoff 1955-6-4 1900 Sonoma Forestville Marsh. Comment
  UCD166725  Luzula Peter Rubtzoff 1963-5-26 5135 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC436743  Luzula comosa var. comosa Peter Rubtzoff 1951-6-7 131 Sonoma Pitkin Marsh. near Forestville. Western branch of the Upper Marsh Comment
  RSA244326  Luzula comosa var. comosa Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1089 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  JEPS128207  Lysimachia latifolia Roger Raiche 2000-5-5 093 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. 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
  UCD151200  Lythrum hyssopifolia James A. Neilson Jr. 1974-7-10 2815 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  RSA0015992  Lythrum hyssopifolia A. A. Heller 1902-6-7 5656 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CDA15313  Lythrum salicaria Lane 1998-8-2 s.n. Sonoma Park Ave. Turf, 3075 Old Graverstein Hwy, Sebastopol. 0 Comment
  RSA0016032  Lythrum tribracteatum Peter Rubtzoff 1970-8-18 6308 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC166955  Madia Peter Rubtzoff 1969-8-29 6173 Sonoma Salmon Creek, ca. 0.5 miles upstream from Hwy. 1. Comment
  CAS-BOT-BC344042  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  UC89416  Madia elegans T. S. Brandegee Sonoma Hook Springs Comment
  UCD132772  Madia elegans Frederica Bowcutt 1997-7-20 2205 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. At Pony Gate Trail, above Adobe Canyon Rd., about 2.6 miles from intesection with Hwy.12. 396 Comment
  POM56176  Madia elegans subsp. densifolia M. Alice King 1896-10 s.n. Sonoma Healdsburg Comment
  RSA81535  Madia elegans subsp. elegans James I. McMurphy 1908-9-27 s.n. Sonoma 2 miles south of Fulton Comment
  CAS-BOT-BC344554  Madia exigua Greg de Nevers 1990-5-1 9661 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 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
  SD254541  Madia exigua Ann Howald, Christina Freeman 2015-1-1 3414 Sonoma Inner North Coast Ranges: Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails (Kenwood 7.5'Q) 370 Comment
  CAS-BOT-BC166728  Madia gracilis Peter Rubtzoff 1964-6-24 5366 Sonoma Lower Salmon Creek Marsh. Comment
  UCD55327  Madia gracilis Ellen Dean 2006-6-28 3171 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  SD56776  Madia gracilis Darley F. Howe 1963-5-23 Sonoma 2.8 miles north of Cloverdale on #128 245 Comment
  CAS-BOT-BC157678  Madia sativa Peter Rubtzoff 1962-8-24 5066 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC345262  Madia sativa David D. Keck; J. Clausen 1935-6-15 3365 a Sonoma 1 mi. N. of Salmon Creek Comment
  OBI33913  Madia sativa David J. Keil 1983-6-29 17197 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  RSA94304  Madia sativa Peter Rubtzoff 1951-8-4 580 Sonoma Pitkin Marsh, near Forestville: south of the Upper Marsh Comment
  UCD165237  Madia sativa Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  SEINET12052827  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -55 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UCD139121  Maianthemum stellatum Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1768 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 NE of Kenwood. In Adobe Canyon along the Goodspeed Trail about 30 yards from the trail head. Along Sonoma Creek just east of confluence with Bear Creek near bridge over Sonoma Creek. 198 Comment
  CAS-BOT-BC164410  Marah Peter Rubtzoff 1957-5-4 3312 Sonoma Duncans Mills Marsh area. Comment
  POM59381  Marah fabacea A. A. Heller, H. E. Brown 1902-4-11 5277 Sonoma Bodega Bay. Comment
  UCD148398  Marah fabacea Peter Rubtzoff 1957-5-4 3312 Sonoma Duncans Mills Marsh area. Comment
  UCD134575  Matricaria discoidea Caitlin Lewis; William Mutch 1993-4-17 9 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center; Sonoma Creek. 365 Comment
  CAS-BOT-BC348313  Matricaria occidentalis Peter Rubtzoff 1972-5-25 6772 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC268106  Medicago Peter Rubtzoff 1969-6-22 6102 Sonoma Forest Hills, 5.5 miles east of Guerneville at 9981 Old River Road. Comment
  JEPS65517  Medicago polymorpha W. L. Jepson 1912-4-17 4768 Sonoma Sonoma Valley Comment
  CAS-BOT-BC271175  Melica aristata Joseph Burtt Davy; Walter C. Blasdale 1899-5-1 6001 Sonoma Guerneville Comment
  UCR225456  Melica californica Frederica Bowcutt 1996-5-24 2155 Sonoma Sugarloaf Ridge State Park, c. 50 air mi north of San Francisco and c. 10 air mi east of Santa Rosa; 2.5 air mi northeast of Kenwood and 18 air mi northwest of Napa. Adobe Canyon just north of Sonoma/Rattlesnake Creek confluence on small knoll 372 Comment
  CAS-BOT-BC281285  Melica geyeri Catherine Best 1981-5-2 s.n. Sonoma Bohemian Highway 3.5 miles N of Occidental Comment
  UCD87314  Melica geyeri Virginia Bufford 1937-5-10 454 Sonoma Larkspur Rock, Bodega Canyon. Comment
  UCD87353  Melica geyeri R. Tofsrud 1947-5-4 s.n. Sonoma Parker Hill near Santa Rosa. Comment
  UCD87347  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  UCD36691  Melica harfordii Beecher Crampton 1955-6-17 2949 Sonoma 4.5 miles S of Cazadero. Comment
  UCD87389  Melica harfordii Beecher Crampton 1955-6-17 2941 Sonoma 4.5 miles S of Cazadero. Comment
  CHSC33997  Melica torreyana J. D. Prouty 1980-4-12 859 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi W of junction with Petrified Forest Road. 256 Comment
  UCD89213  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  UCD88826  Melica torreyana Virginia Bufford 1936-5-19 295 Sonoma Moss Cottage -- Los Guillicos Valley. Comment
  CAS-BOT-BC268072  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  HSC15018  Melilotus indicus S. N. Wiemeyer 1962-4-20 30 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC157655  Mentha Peter Rubtzoff 1965-8-29 5627 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  CAS-BOT-BC164066  Mentha Peter Rubtzoff 1958-5-10 s.n. Sonoma Laguna de Santa Rosa, E of Cunningham, near Llano Road crossing Comment
  CAS-BOT-BC164420  Mentha Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC164675  Mentha Peter Rubtzoff 1963-8-17 5229 Sonoma Russian River Mouth Marsh. Comment
  CAS-BOT-BC173615  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River Comment
  CHSC112548  Mentha Peter Pubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi east of Healdsburg. Russian River. Comment
  RSA785217  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  JEPS63477  Mentha canadensis W. L. Jepson 1921-9-12 9485 Sonoma Alexander Valley 45 Comment
  JEPS63450  Mentha pulegium W. L. Jepson 1931-7-19 15938 Sonoma Watson School Bodega (Bodega) 152 Comment
  CAS-BOT-BC173657  Mentha pulegium Peter Rubtzoff 1956-9-16 2921 Sonoma Guerneville region. Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  CAS-BOT-BC166977  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  RSA784400  Mentha spicata Peter Rubtzoff 1954-9-6 1740 Sonoma Guerneville Marsh. Comment
  UC727708  Mentha spicata Milo S. Baker 1946-8-17 11567 Sonoma hiwy between Sebastopol and Cunningham Comment
  RSA784550  Mentha spicata Peter Rubtzoff 1961-8-24 4708 Sonoma Fife Creek Marsh. Comment
  UCD165333  Mentha suaveolens Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  JEPS42864  Mentzelia laevicaulis var. laevicaulis Miss C. M. Hoak Aug 1912 Sonoma Monte Rio 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
  CAS-BOT-BC322615  Micropus amphibolus John Thomas Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC348621  Micropus californicus var. californicus H. L. Mason 1934-4-28 8077 Sonoma Jensen's Ranch, head of Dohrmann Creek Comment
  CAS-BOT-BC348733  Microseris bigelovii John H. Thomas 1976-6-16 18255 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  JEPS117104  Microseris bigelovii Peter Warner 2010-6-14 164 Sonoma Jenner Headlands, upper Jenner Pasture, ~ 60 m E of road (Willig Extension Dr.), 245 m E 147 deg. S of residence house, in coastal grassland near small group of boulders. 207 Comment
  CAS-BOT-BC349106  Microseris douglasii subsp. tenella Alice Eastwood 1921-5-8 10446 Sonoma Petaluma Comment
  CAS-BOT-BC311875  Mimulus Peter Rubtzoff 1954-7-29 1606 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC320514  Mimulus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  SEINET12335273  Mimulus aurantiacus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -241 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET12337127  Mimulus aurantiacus C. F. Quibell 1976-1 1377 Sonoma Marshall-Petaluma Rd Comment
  RSA550833  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-4 1111 Sonoma 7.0 mi S of Mendocino co. line along Hwy 1; 0.5 mi N of Black Point Beach access road 96 Comment
  CDA11329  Mimulus congdonii G. F. Hrusa 1995-4-2 12039 Sonoma North Coast Biodiversity Arena; Along Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  RSA535770  Mimulus congdonii David M. Thompson 1989-4-4 994 Sonoma Ca. 3 air mi E of Glen Ellen. 3.9 mi NE of Hwy 12 along Cavedale Road; W side of Road, 5 ft S of entrance to 3845-3850-3860 private driveway. 183 Comment
  UCR252547  Mimulus guttatus Peter Rubtzoff 1964-8-26 5476 Sonoma Central Coast, [Lichau] Marsh, 5 miles northeast of Penngrove on Lichau Road 220 Comment
  RSA434668  Mimulus guttatus Francis W. Pennell, H. L. Mason 1940-5-21 25483 Sonoma Route 28, Kellogg. 183 Comment
  RSA53848  Mimulus guttatus Milo S. Baker 1942-5-7 10196 Sonoma Ca. 1.5 miles west of summit on Spring Mt. Road. Comment
  UC353818  Mimulus inodorus Milo S. Baker 1928-6-28 3191 b Sonoma Pitkin's Marsh Vine Hill District Comment
  UC886246  Mimulus kelloggii Alice Eastwood 1915-6-5 Sonoma Petrified Forest Comment
  UC26981  Mimulus microphyllus State Survey 974 Sonoma Sonoma Comment
  JEPS19397  Mimulus tricolor G. Thomas Robbins 1938-5-19 264 Sonoma sw Santa Rosa (Stony Point Road, near The Lagunas) Comment
  CAS-BOT-BC174582  Minuartia californica A. A. Heller; H. E. Brown 1902-3-14 5067 Sonoma Near Windsor Comment
  RSA54056  Minuartia californica J. T. Howell 1948-4-18 24207 Sonoma Hills east of Agua Caliente. Comment
  UC8088  Minuartia californica State Survey 1862-4-18 975 Sonoma near Sonoma Comment
  UCD158806  Minuartia douglasii James A. Neilson Jr. 1974-3-27 2957 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD98267  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma junction of Bittner Road with Joy Road, between Occidental and Bodega. Comment
  UC1040764  Minuartia douglasii C. F. Sonne 1887-4-22 1387 Sonoma White Sulphur Springs Comment
  CAS-BOT-BC435115  Mollugo verticillata James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  UCD167562  Monardella James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. 1/4 mile north of Black Hawk Ranch. Banks above Squaw Creek. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  JEPS87251  Monardella purpurea Jack and Betty Guggolz 1992-3-12 1242 Sonoma w side Rincon Ridge; Santa Rosa 213 Comment
  LA57191  Monardella purpurea Robert F. Hoover; 1942-7-13 5915 Sonoma 3 mi. S of Monte Rio Comment
  JEPS117103  Monardella purpurea Peter Warner 2010-6-14 165 Sonoma Jenner Headlands, upper Jenny Pasture, ~ 125 m N 72 deg. E of residence house Comment
  UC931964  Monardella undulata Verne Grant, Alva Grant 1948-7-7 8597 Sonoma 2.6 mi e Bodega (on highway 12) Comment
  CAS-BOT-BC220503  Monardella villosa John Thomas Howell 1929-6-30 6316 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  POM253643  Monardella villosa subsp. franciscana C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  CAS-BOT-BC314161  Monardella villosa subsp. villosa G. DeNevers 1981-6-6 1475 Sonoma Pepperwood Ranch. Top of Telegraph Hill. Comment
  UC50091  Monolopia major H. N. Bolander 1866-4-18 4665 Sonoma Petaluma Comment
  CAS-BOT-BC444987  Montia fontana John Thomas Howell 1933-4-1 10926 Sonoma Petaluma Comment
  CAS-BOT-BC445002  Montia fontana Peter Rubtzoff 1963-5-26 5150 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC444991  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  CAS-BOT-BC445060  Montia linearis Alice Eastwood 1921-4-24 10348 Sonoma Santa Rosa Comment
  RSA123590  Muilla maritima Leo Koch 1938-3-23 63 Sonoma Roadside near Shiloh cemetery, near Windsor. Comment
  JEPS21579  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Ranch, Pitkin Marsh Comment
  RSA799987  Myriophyllum brasiliense Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mi east-southeast of Sebastopol. Comment
  CAS-BOT-BC251162  Myriophyllum hippuroides Peter Rubtzoff 1966-8-26 5813 Sonoma Atascadero Creek Marsh. Comment
  UCD166460  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC456196  Najas guadalupensis Greg de Nevers 1991-8-8 9768 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In largest Double Pond. 475 Comment
  UC729998  Nassella cernua Leo F. Koch 1940-4-24 844 Sonoma roadside n junction 2 1/2 miles from Kenwood and Glen Ellen; Bennett Valley Comment
  CAS-BOT-BC260073  Nassella lepida G. DeNevers 1981-5-30 1403 Sonoma Pepperwood Ranch. E slope of Horse Hill Comment
  RSA129499  Nassella lepida H. S. Yates 1937-5-31 6567 Sonoma 2 mi SW of Petrified Forest 305 Comment
  UC1133173  Nassella lepida H. S. Yates 1937-5-31 6567 Sonoma 2 mi sw Petrified Forest; Calistoga Quadrangle 304 Comment
  UCD33091  Nassella pulchra Beecher Crampton 1966-5-10 7721 Sonoma Sonoma County, 3 miles south of Healdsburg next to railroad. Comment
  RSA94328  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC230267  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma San Miguel Island. Head east fork of Canyon Del Mar 0.3 miles west of the old ranch house. 152 Comment
  POM65215  Navarretia cotulifolia A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa. Comment
  UC1719860  Navarretia cotulifolia David Fruchter 1978-9-17 95 Sonoma Diamond D. [sic] Comment
  UCR30590  Navarretia heterodoxa John C. Roos 1950-7-22 4877 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  UC23655  Navarretia intertexta Alice King Jun 1897 Sonoma Healdsburg Comment
  JEPS86365  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1988-5-12 932 Sonoma D. Carinalli property, on the n side of the laguna Comment
  CAS-BOT-BC230377  Navarretia leucocephala subsp. bakeri Niall McCarten 1992-5-6 1276 Sonoma 1.75 miles SSE of WIndsor 33 Comment
  CAS-BOT-BC230378  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma Highway between Healdsburg and Santa Rosa Comment
  POM258874  Navarretia mellita J. T. Howell 1937-7-4 13075 Sonoma Near Petrified Forest. Comment
  POM261291  Navarretia pubescens L. S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  UCD158735  Navarretia sinistra subsp. pinnatisecta James A. Neilson Jr. 1974-7-25 2864 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. 792 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
  UC631638  Navarretia squarrosa G. Thomas Robbins 1939-7-4 272 Sonoma near Graton Comment
  UC1541554  Navarretia tagetina H. E. and S. T. Parks 1930-5-10 847 Sonoma Knights Valley 152 Comment
  CDA11012  Nemophila heterophylla G. F. Hrusa 1993-3-14 10526 Sonoma North Coast Biodiversity Arena; E side of Knights Valley. NW base of Mt. St. Helena. Foote Ranch, approx 10 m N of Calistoga on Hwy 128. 0 Comment
  UCD23401  Nemophila heterophylla Wesley Ebert 1977-4-9 18 Sonoma Pale blue flowers with white center. In rich moist humus. Shaded by Umbellularia californica and Quercus agrifolia, but getting some afternoon exposure. On east facing slope. 6000 Soldiers Ln., Penngrove. On west side of Sonoma Mtn. 457 Comment
  UC67144  Nemophila menziesii Milo S. Baker 1898-4-23 617 Sonoma Santa Rosa Creek Canyon Comment
  UC24245  Nemophila menziesii var. atomaria H. N. Bolander April, 1864 3883 Sonoma Cloverdale Comment
  UCD170754  Nemophila menziesii var. atomaria C. Benefield 1997-5-12 31 Sonoma Bodega Bay, in front of University of California Marina Laboratory. 24 Comment
  RSA51317  Nemophila menziesii var. menziesii Peter H. Raven 1950-4-6 1571 Sonoma Cotati to Santa Rosa. 30 Comment
  SEINET9309775  Nemophila parviflora John Nelson, Wnek, Richard 2000-3-7 20937 Sonoma Sonoma Co., CA Comment
  CAS-BOT-BC230567  Nemophila parviflora var. parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  UCD148416  Nicotiana quadrivalvis Peter Rubtzoff 1959-9-19 4284 Sonoma Vacation Beach, near Guerneville along Russian River. 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
  CAS-BOT-BC499696  Orobanche californica subsp. californica Steve Edwards 1984-7-22 s.n. Sonoma N end of prairie, N of Duvoul Cr., N of Camp Meeker, E of Highway Comment
  JEPS14552  Orobanche fasciculata Peter Kamb 1951-6-17 1876 Sonoma Larkspur Rock', south side of Cheney Gulch, 2.9 miles west of fork in road to Bodega and Valley Ford. Comment
  CAS-BOT-BC502938  Orobanche uniflora Greg de Nevers 1997-5-3 10987 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Rd 457 Comment
  CAS-BOT-BC500333  Orobanche uniflora subsp. occidentalis Elmer I. Applegate 1934-3-25 8849 Sonoma Sansal Creek, Pine Flat region, west slope Mayacmas Mountains Comment
  CAS-BOT-BC7002  Orthocarpus faucibarbatus var. albidus David Daniels Keck; Jens Chr. 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
  UCD110761  Oxalis corniculata Lloyd M. Harwood 1964-4-20 s.n. Sonoma Santa Rosa. Comment
  UCD110782  Oxalis corniculata Collector unknown Date unknown s.n. Sonoma Sonoma County. Comment
  JEPS76934  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
  UC964740  Packera Herbert Mason 1934-4-28 8060 Sonoma Dohrman Creek Jensen's Ranch (head) Comment
  UC176759  Packera eurycephala var. eurycephala W. J. V. Osterhout 1909-1-1 Sonoma Geysers Comment
  CAS-BOT-BC316926  Packera greenei Helen Katherine Sharsmith 1952-6-18 4127 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains. 975 Comment
  UCD164102  Panicum Peter Rubtzoff; Nancy Harrison 1978-5-20 9186 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  SEINET12332452  Parentucellia viscosa F. H. Utech 1988-1 88 -188 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  CAS-BOT-BC259618  Paspalum Peter Rubtzoff 1987-9-27 9852 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville Comment
  UCD148512  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). 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
  RSA177942  Pedicularis densiflora Robert F. Thorne 1965-4-19 34319 Sonoma N side of Vine Hill School Road, 0.5 mile from Vine Hill Road. 76 Comment
  SEINET8733624 Image available Pedicularis densiflora Laura Zeller 1965-1 3 Sonoma Ca. 1.5 miles E of Highway 12 on Cavedale Road 198 Comment
  CAS-BOT-BC257363  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC69304  Pellaea andromedifolia Peter Rubtzoff 1952-6-3 1145 A Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CDA14391  Pennisetum clandestinum L. Correia 1996-4-15 Sonoma from vacant lot in San Francisco to be planted at Thornton Ranch, 19600 Brookline, Sonoma. 0 Comment
  UCD160868  Penstemon heterophyllus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3292 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
  UC354468  Penstemon heterophyllus var. heterophyllus Milo S. Baker 1904-6-1 Sonoma Sonoma Creek Canyon above Maple Glen; Sonoma Creek Canyon above Maple Glen Comment
  CAS-BOT-BC245721  Penstemon newberryi var. sonomensis F. T. Bioletti 1892-5-1 74 Sonoma Hood's Peak Comment
  RSA0059040  Pentagramma triangularis Ira L. Wiggins 1932-3-12 5761 Sonoma Fence row between Knights Valley and Franz Valley. Comment
  CAS-BOT-BC222742  Perideridia gairdneri subsp. gairdneri John Thomas Howell 1946-8-17 22862 Sonoma Cunningham Marsh Comment
  RSA224291  Perideridia kelloggii Peter Rubtzoff 1967-9-2 5875 Sonoma Freestone Marsh 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-BC258010  Persicaria hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC413742  Persicaria hydropiper Peter Rubtzoff 1970-9-17 6390 Sonoma Laguna de Santa Rosa north of Sebastopol, nr. Occidental Rd. crossing Comment
  CAS-BOT-BC413744  Persicaria hydropiper Peter Rubtzoff 1968-8-18 5930 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419110  Persicaria lapathifolia Peter Rubtzoff 1960-6-25 4516 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419120  Persicaria lapathifolia Peter Rubtzoff 1956-9-14 2888 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC419290  Persicaria pensylvanica John Thomas Howell 1932-9-18 10778 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC419430  Persicaria punctata John Thomas Howell 1932-9-18 10770 Sonoma Bed of slough draining Kenwood Marsh Comment
  SBBG16283  Phacelia bolanderi H. and M. Dearing 1939-5-15 3391 Sonoma Gualala River near Stewarts Pt Comment
  SD64435  Phacelia californica Darley F. Howe 1966-6-2 Sonoma 5.0 miles south of Bodega Bay. Comment
  UC672383  Phacelia californica Herbert L. Mason 1928-7-10 4887 Sonoma Jenner Russian River (mouth of river) Comment
  UCD120297  Phacelia californica P. G. Connors 1991-7-3 194 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  RSA133558  Phacelia californica L. R. Heckard, Paul C. Silva 1952-4-14 219 Sonoma Along State Highway 1, just south of Goat Rock. Comment
  RSA26574  Phacelia distans J. T. Howell 1930-6-8 5274 Sonoma North end of Bodega Bay. Comment
  UC1299136  Phacelia distans Freed W. Hoffman April 1948 2758 Sonoma between Occidental and Monte Rio Comment
  UC1348887  Phacelia distans Robert F. Thorne 1965-4-20 34358 Sonoma s-facing bank on Cavedale Rd 1/2 mi up State Hwy 12 (ca 4 mi n of Sonoma) 243 Comment
Read comments
Jun 29 2008
  RSA426095  Phacelia distans Alice Eastwood 1933-5-7 18841 Sonoma Sonoma Comment
  SBBG39553  Phacelia imbricata J. T. Howell 1929-6-9 4305 Sonoma 6.5 miiles from Santa Rosa on rd to Petrified Forest Comment
  UC1051811  Phacelia nemoralis subsp. nemoralis L. R. Heckard 1952-4-14 226 Sonoma roadcuts and roadsides about 2.5 mi e Alexander Flat (along rd to Pine Valley) 60 Comment
  SEINET10661948  Phalaris angusta P. Rubtzoff 1972-6-23 Rubtzoff 6785 Sonoma Atascadero Creek Marsh. 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
  UCD160753  Phalaris aquatica James A. Neilson Jr. 1975-5-23 3216 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC265913  Phalaris lemmonii David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road 1/2 mile west of junction of Arnold Drive Comment
  UCD88874  Phalaris lemmonii A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3580 Sonoma Corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  UCD88878  Phalaris lemmonii A. A. Beetle 1946-5-7 4261 Sonoma Santa Rosa. Franklin Ave. Comment
  UC1132438  Phalaris paradoxa H. S. Yates 1937-6-6 6578 Sonoma near Windsor; Healdsburg Quad. Comment
  UC50459  Phalaris paradoxa Mr. Leckenby June 1896 Sonoma Petaluma Comment
  RSA129242  Phleum alpinum H. S. Yates 1936-5-17 5626 Sonoma 1.5 miles E of Bodega Port 122 Comment
  RSA247439  Phoradendron macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd). Comment
  POM267616  Phyla nodiflora Lyman D. Benson 1928-6-25 350 Sonoma Street, Santa Rosa. North Coast mtn range, Sonoma Valley. 61 Comment
  UC1977006  Phyllospadix scouleri Ann Freeman 1963-8-6 1642 Sonoma Bodega Head. North side, Horseshoe Cove with flowers. Comment
  OBI75343  Pickeringia montana Michener & Bioletti, Bioletti May 1893 s.n. Sonoma Hood's Peak Comment
  UCD158852  Pickeringia montana James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2923 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  SEINET10795154 Image available Pinus sabiniana Henry N. Bolander 1864-8-27 Bolander s.n. Sonoma Sonoma Comment
  JEPS128341  Piperia elongata Roger Raiche 2010-7-17 037 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128340  Piperia transversa Roger Raiche 2010-7-10 032 .10 Sonoma The Cedars. Processing Area. Lower Russian River, Big Austin Creek watershed. Comment
  UCD144568  Piptatherum miliaceum Frederica Bowcutt 1994-7-5 1931 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 70 ft. S of Campfire Center along N edge of Sonoma Creek, N and E of campground. 381 Comment
  RSA784981  Plagiobothrys Peter Rubtzoff 1969-5-11 6047 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UCD166079  Plagiobothrys Peter Rubtzoff 1971-6-5 6525 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing. Comment
  CAS-BOT-BC156309  Plagiobothrys Peter Rubtzoff 1970-5-16 6230 Sonoma 5 miles north of Sears Point. Comment
  CDA13131  Plagiobothrys bracteatus G. F. Hrusa, R. Gross 1996-6-3 13066 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UCD150140  Plagiobothrys bracteatus 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
  RSA369973  Plagiobothrys greenei L. S. Rose 1949-4-6 49028 Sonoma Western outskirts of Sonoma 30 Comment
  UC78077  Plagiobothrys nothofulvus K. Brandegee May 1889 Sonoma Cloverdale Comment
  RSA785668  Plagiobothrys reticulatus Peter Rubtzoff 1971-5-8 6449 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  SJSU5863  Plagiobothrys reticulatus var. rossianorum S. H. Casey 1969-5-13 241 Sonoma Sea Ranch 3 mi N of Stewarts Point Comment
  UCD166071  Plagiobothrys tener var. tener Peter Rubtzoff; H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC290697  Plantago Peter Rubtzoff 1971-6-26 6574 Sonoma Willow Creek Marsh. Comment
  SBBG53025  Plantago erecta M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  UCD124455  Plantago erecta Jennifer Bury; Peggy Herzog 1993-5-8 263 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. 381 Comment
  UCD124172  Plantago erecta Frederica Bowcutt 1994-6-21 1804 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; about 18 air miles NW of Napa. Along meadow trail approx. 1/4 mile from trailhead. South facing slope: 15 degrees. 396 Comment
  UCD124486  Plantago erecta Robert F. Thorne 1965-4-20 34342 Sonoma top of Parker Hill (north end of Parker Hill Road), ca. 3 miles north of Santa Rosa. 152 Comment
  HSC16835  Plantago lanceolata C. S. Chavez 1965-6-3 78 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  CDA6613  Plantago major G. A. Benincasa 1980-8-11 Sonoma Sebastopol. 0 Comment
  UC565399  Plantago subnuda G. Thomas Robbins 1937-6-5 220 Sonoma Pitkin Ranch, Vine Hill region, about 10 miles west of Santa Rosa. Comment
  RSA800874  Plantago subnuda Peter Rubtzoff 1954-8-9 1658 Sonoma Bodega Head Marsh Comment
  UCSB50225  Platystemon californicus Gray, John 1976-5-1 Sonoma Bluffs above Duncan's Landing State Beach; T6N R11W 15 Comment
  UCD150838  Pleuropogon californicus Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC260973  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-5-10 3648 Sonoma Laguna de Santa Rosa north of Cunningham near Todd Road Comment
  CAS-BOT-BC260979  Pleuropogon californicus var. californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  CAS-BOT-BC260988  Pleuropogon californicus var. californicus John Thomas Howell 1947-6-26 23316 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC260987  Pleuropogon californicus var. californicus John Thomas Howell 1931-4-1 6037 Sonoma 9 miles sw. of Sonoma on road to San Rafael Comment
  RSA73965  Pleuropogon californicus var. californicus Milo S. Baker 1952-4-20 12402 Sonoma Western outskirts of Sonoma, along 5th street. Comment
  UCD90135  Pleuropogon californicus var. californicus Beecher Crampton 1956-3-12 3220 Sonoma Alexander Valley Store. Comment
  UCD90199  Pleuropogon californicus var. californicus L. Whitney 1935-3-23 s.n. Sonoma Santa Rosa, Prune Orchard. Comment
  UCD90211  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2403 Sonoma 1.3 miles west of Fulton, along Woolsey Road. Comment
  HREC248 Image available Pleuropogon hooverianus Chuck Williams 1998-5-21 2162 Sonoma Hopland Field Station: 4100 Pressley Rd. Comment
  UC1258194  Pleuropogon hooverianus Paul But 1975-4-1 P 25 Sonoma 0.5 mi from Freestone (along Bohemian Hwy at Freeston Flat Road) Comment
  UCD92210  Poa Collector Unknown 1942-4-1 383 Sonoma between S. R. and County Farm. Comment
  CAS-BOT-BC255599  Poa annua Peter Rubtzoff 1960-5-22 4401 Sonoma Laguna de Santa Rosa area E of Graton, between Occidental and Guerneville roads Comment
  UCD91043  Poa douglasii Freed W. Hoffman 1944-7-2 1983 Sonoma near entrance to Bodega Bay. Comment
  RSA63655  Poa howellii Milo S. Baker s.n. Sonoma Hood Mountain; above Gray Ranch 305 Comment
  CAS-BOT-BC256023  Poa pratensis Greg de Nevers 1993-5-15 10444 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC256029  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  SEINET6858779 Image available Poa scabrella A. G. Vestal, Wanda P. Vestal 1962-1 s.n. Sonoma 1 mile east of Occidental. Comment
  UCD92089  Poa secunda subsp. secunda L. Whitney 1935-3-16 s.n. Sonoma Near Occidental. Comment
  CAS-BOT-BC243251  Poa secunda subsp. secunda Catherine Best 1985-4-27 s.n. Sonoma Monan's Rill, N of St. Helena Road and E of Calistoga Road Comment
  UCD91724  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma Junction of 'I' St. Ext. and San Antonio Road. 2 miles SW of Petaluma. Comment
  CAS-BOT-BC244200  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  CAS-BOT-BC244262  Poa unilateralis David L. Morgan 1961-4-15 s.n. Sonoma Bodega Bay Comment
  UC1023577  Poa unilateralis Virginia Bufford 1935-5-19 55 Sonoma Portuguese Beach Comment
  CAS-BOT-BC368003  Poaceae Greg de Nevers 1989-6-8 9079 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  SEINET9339237  Pogogyne douglasii Unknown 2009-5-12 Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). Associates: Juncus bufonius, Deschampsia danthoniodes, Leontodon taraxacoides. Comment
  CDA11013  Polycarpon tetraphyllum G. F. Hrusa 1993-3-14 10527 Sonoma North Coast Biodiversity Arena; NW base of Mt. St. Helena. Foote Ranch, approx 10 m N of Calistoga on Hwy 128. 152 Comment
  UCD98409  Polycarpon tetraphyllum Frederica Bowcutt 1984-6-23 418 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. Immed. N of Gerstle Cove. W of Hwy. 1. 15 Comment
  RSA177923  Polygala californica Robert F. Thorne 1965-4-20 34371 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UC1130349  Polygala californica H. S. Yates 1934-4-21 3813 Sonoma 2 mi n County Farm; Santa Rosa Quad. Comment
  UCD109702  Polygala californica E. Frost 1996-5-26 20 Sonoma Mt. St. Helena, 150 yards in along hiking trail. 609 Comment
  UCD160861  Polygala californica James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3302 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
  CAS-BOT-BC157669  Polygonaceae Peter Rubtzoff 1964-5-20 5319 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC376404  Polygonum Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 400 Comment
  POM161244  Polygonum amphibium var. stipulaceum R. C. Bacigalupi 1958-6-18 s.n. Sonoma Beach at mouth of Salmon Creek, 2 miles N of Godega Bay Comment
  JEPS128319  Polygonum douglasii Roger Raiche 2000-6-2 128 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR280149  Polygonum hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 38 Comment
  UC727705  Polygonum lapathifolium Milo S. Baker 1946-8-17 11562 Sonoma The Laguna; at the crossing of the Occidental Rd Comment
  UC850174  Polygonum lapathifolium Lewis S. Rose 1938-9-11 38254 Sonoma Bloomfield 30 Comment
  RSA234564  Polygonum persicaria Peter Rubtzoff 1965-8-29 5630 Sonoma Russian River bottom at Forets Hills (5.5 miles E of Guerneville) Comment
  UC71482  Polypodium J. Burtt Davy 1894-12-9 854 Sonoma Kenwood Comment
  UCR218739  Polypodium californicum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16227 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC76862  Polypodium calirhiza Walter Knight; Irja Knight 1963-12-27 449 Sonoma Pine Flat Road 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
  UC1784201  Polypodium scouleri Ethel Crum 1930-1 748 Sonoma Petaluma Comment
  UCD92439  Polypogon Beecher Crampton 1957-7-11 4296 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC233195  Polypogon interruptus Peter Rubtzoff 1960-5-22 4407 Sonoma Laguna de Santa Rosa area E of Graton, between Occidental and Guerneville Roads Comment
  UC203502  Polypogon interruptus unknown 1885-5-9 Sonoma Sonoma Creek Comment
  UCD91018  Polypogon interruptus Freed W. Hoffman 1941-7-3 2075 Sonoma North Coast Ranges. Near Guerneville. Comment
  UCD51668  Polypogon interruptus Harry Goff; Virginia Bufford 1935-5-22 62 Sonoma foot of Hood Mt. Comment
  CAS-BOT-BC233225  Polypogon maritimus Peter Rubtzoff 1961-6-17 4628 Sonoma Bennett Mountain Lake Comment
  RSA262195  Polypogon maritimus Peter Rubtzoff 1968-6-20 5895 Sonoma 6.5 mi. northeast of Penngrove on Lichau Road. 427 Comment
  CAS-BOT-BC237401  Polypogon monspeliensis Walter Knight; Irja Knight 1968-1-1 2270 Sonoma Geysers Resort, along geyser trail up ravine Comment
  UC963915  Polypogon monspeliensis Milo S. Baker 1946-10 11704 Sonoma less than 1 mi n junction of Sears Point Cutoff and Black Point Hwy (near Bay Marsh); n of junction of Sears Point Cutoff and Black Point Hwy Comment
  SEINET10593633  Polypogon monspeliensis A. Arthur Heller 1902-4-23 Heller s.n. Sonoma Near Sonoma Comment
  CAS-BOT-BC72173  Polystichum californicum Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC72169  Polystichum californicum Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5510 Sonoma 4.85 miles from end of Mill Creek Road Comment
  SEINET11720934  Polystichum dudleyi F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -56 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  CAS-BOT-BC72484  Polystichum munitum Peter Rubtzoff 1952-3-22 862 Sonoma bordering the Upper Marsh in the west Comment
  UCD136560  Polystichum munitum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 025 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1, near old 'railroad' bridge. 30 Comment
  CAS-BOT-BC452162  Potamogeton diversifolius Peter Rubtzoff 1962-6-8 4877 Sonoma Bennett Mtn. Lake. Comment
  CDA812  Potamogeton foliosus M. S. Bergseng 1959-1-14 1694 Sonoma Annadel Farms, farm reservoir, Santa Rosa. 0 Comment
  CAS-BOT-BC268095  Potamogeton nodosus Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  RSA800841  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  UCR244640  Potamogeton pectinatus Peter Rubtzoff 1970-8-5 6296 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  CAS-BOT-BC454078  Potamogeton pusillus subsp. pusillus M. S. Baker 1899-6-1 s.n. Sonoma Near Sebastopol Comment
  CAS-BOT-BC454083  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1961-5-24 4610 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC141951  Potentilla anserina subsp. pacifica Peter Rubtzoff 1960-5-18 4386 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  UCD19495  Potentilla anserina subsp. pacifica Terry Reedy 1974-5-11 205 Sonoma Bodega Head. 1 Comment
  RSA0084031  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fenced area (Camp Ground) ca 1.5 mi west of town of Cunningham, S.[?] Sonoma Co. on ranch owned by Mr. Uoit[?]. Comment
  UCD168045  Prosartes hookeri James A. Neilson Jr. 1981-3-13 3998 Sonoma Mayacmas Mountains, Hummingbird Creek, Squaw Creek drainage. (Exact location unknown, coordinates estimated by label maker.) Comment
  SFV3198  Prunella vulgaris A. I. Richardson 1961-6-17 23 Sonoma Flat overlooking ocean near Timber Cove, north of Fort Ross. 30 Comment
  UCD125336  Prunella vulgaris P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  SBBG12370  Prunella vulgaris A. I. Richardson 1961-6-17 23 Sonoma near Timber Cove, N of Ft Ross Comment
  UCD125332  Prunella vulgaris A. A. Heller 1902-6-7 5658 Sonoma Santa Rosa. Comment
  UC495538  Prunella vulgaris var. lanceolata Merle Randall 1930-6-10 Sonoma Jenner to Fort Ross; Jenner to Fort Ross Comment
  CAS-BOT-BC154616  Prunus subcordata A. A. Heller; H. E. Brown 1902-4-4 5215 Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC154682  Prunus subcordata Stewart Wade 1927-4-1 s.n. Sonoma Healdsburg Comment
  UC1128436  Prunus virginiana var. demissa H. S. Yates 1934-4-22 3860 Sonoma near Petrified Forest 243 Comment
  UCD160846  Prunus virginiana var. demissa James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 s.n. Sonoma Truit Creek. (Coordinates, and elevation estimated by label maker.) 426 Comment
  UCD160855  Pseudognaphalium californicum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3282 Sonoma Mayacmas Mountains, south of 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
  RSA785669  Pseudognaphalium luteoalbum Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC357412  Pseudognaphalium microcephalum Walter Knight; Irja Knight; John Thomas Howell 1984-9-26 5232 Sonoma 1.15 mi. up Cavedale Road Comment
  UC1118475  Pseudognaphalium stramineum H. S. Yates 1936-5-17 5628 Sonoma 2 mi n of Bodega Bay; Duncan Hills Quadrangle 3 Comment
  UCD135215  Pseudognaphalium stramineum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 100 Sonoma Walk-on Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC80184  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  JEPS46756  Pseudotsuga menziesii var. menziesii W. L. Jepson 1931-7-19 15955 Sonoma Watson School near Bodega Comment
  NY63889  Pseudotsuga menziesii var. menziesii A. A. Heller 1902-3-31 s.n. Sonoma Mt. Hood Comment
  CAS-BOT-BC173828  Psilocarphus Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7401 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176131  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC176171  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  UC581109  Psilocarphus tenellus H. L. Mason 1934-4-28 8083 Sonoma Jensen's Ranch Dorhmann Creek Comment
  HSC1158  Pteridium aquilinum var. pubescens F. Demostene 1966-4-1 7 Sonoma 2 mi. E of Healdsburg Comment
  UCD19498  Pteridium aquilinum var. pubescens Terry Reedy 1974-5-11 216 Sonoma Bodega Head. 15 Comment
  CAS-BOT-BC104296  Quercus X morehus D. E. Breedlove 1976-3-27 39441 Sonoma along Dry Creek Road, ca. 3 miles past Warm Springs Dam Comment
  UCD162764  Quercus berberidifolia Dylan O. Burge 2014-6-5 1643 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  CAS-BOT-BC94667  Quercus garryana R. Bacigalupi 1947-8-17 2849 Sonoma about Cazadero, in Austin Creek canyon Comment
  UC1135605  Quercus garryana J. B. Spring 1932-7-8 102 Sonoma Alta Vista Napa Quad. 304 Comment
  UC424818  Quercus garryana Milo S. Baker 1927-11-5 2503 b Sonoma 2-3 mi w Skagg's Springs Hwy. Comment
  UCD46175  Quercus garryana Rimo Baeigalupi 1958-11-23 6961 Sonoma On property of Fred H. Clemens, at junction of Arata Road and U.S. Highway 101, 4 miles south of Healdsburg. Comment
  UCD55066  Quercus garryana Ellen Dean; Tammie Beyerl 2006-4-28 3010 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UCD124007  Quercus garryana var. garryana Frederica Bowcutt 1997-7-20 2201 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 3 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  CAS-BOT-BC105481  Quercus kelloggii Alice Eastwood 1921-4-24 10389 Sonoma Santa Rosa Comment
  SBBG111410  Quercus kelloggii J. M. Tucker 1952-9-20 2623 Sonoma Voigh Ranch, ca. 1.25 (airline) mi SW of Cunningham, along a lane running E from the Voight farmhouse Comment
  UC1135655  Quercus kelloggii C. M. Belshaw 1936-3-7 1563 Sonoma 0.25 mi w Trenton; Sebastopol Quad. 182 Comment
  CAS-BOT-BC62804  Quercus lobata Greg de Nevers 1981-9-5 1811 Sonoma Pepperwood Ranch, across fence from Hansel's Corral, south Comment
  CDA6114  Quercus lobata D. G. Kelch 2007-5-13 7 .292 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD47610  Quercus wislizeni var. frutescens Frederica Bowcutt 1994-6-25 1921 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. Confirmed by K. Mawdoley 21 Oct 1996. 670 Comment
  CDA130  Quercus wislizeni var. wislizeni D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .282 Sonoma Cavedale Rd. Comment
  RSA0051271  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch, south end of valley. 91 Comment
  RSA534581  Ranunculus californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  SEINET12087446  Ranunculus californicus A. Eastwood, Howell, J. T. 1939-1 s.n. Sonoma Sonoma coast N of Bodega Bay 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-BC378687  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-3-11 564 Sonoma Petaluma, Cor. La Cresta Dr. and Summit Dr. Comment
  CAS-BOT-BC378688  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-3-11 547 Sonoma Pressley Rd. Comment
  SEINET3160888  Ranunculus californicus var. crassifolius L. S. Rose 1939-4-2 39051 Sonoma 3 mi. n. of Bodega Bay Comment
  RSA733909  Ranunculus californicus var. crassifolius Chas. H. Lamoureux, J. M. Tucker, June McCaskill 1957-4-7 1192 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  RSA0030884  Ranunculus californicus var. cuneatus Lewis S. Rose 1939-4-2 39051 Sonoma 3 mi. n. of Bodega Bay. Comment
  CAS-BOT-BC83411  Ranunculus lobbii Peter Rubtzoff 1966-4-30 5692 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 mile from Llano Road. Comment
  CAS-BOT-BC83412  Ranunculus lobbii J. Penalosa 1961-5-24 1571 Sonoma Upper Stemple Creek Marsh. Comment
  UCD96244  Ranunculus muricatus Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 60 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 195 Comment
  UC765741  Ranunculus orthorhynchus var. bloomeri R. F. Hoover 1939-4-18 4048 Sonoma Los Guilicos Valley Comment
  POM268843  Ranunculus orthorhynchus var. bloomeri A. A. Heller, H. E. Brown 1902-3-14 5061 Sonoma Near Windsor. Comment
  RSA94331  Ranunculus orthorhynchus var. bloomeri Peter Rubtzoff 1951-6-2 101 Sonoma Western branch of the Upper Marsh Comment
  UC480962  Ranunculus pusillus Katharine Brandegee Sonoma Sebastopol Comment
  POM269796  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma edge of vernal pool, near Wright School on Hwy betw Santa Rosa and Sepastopol Comment
  CDA18779  Raphanus sativus Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  SEINET12210981  Rhamnus californica W. Knight, Knight, I. 1984-1 5005 Sonoma Gualala Point Regional Park, in picnic area with grand firs and Douglas firs 11 Comment
  UC73371  Rhamnus crocea Milo S. Baker 1898-4-23 26 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC55944  Rhamnus crocea G. DeNevers 1981-6-27 1695 Sonoma On a walk from Franz Valley Road up the main Creek draining the Devil's Kitchen and West along a chaparral ridge Comment
  CAS-BOT-BC53744  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  CAS-BOT-BC229008  Rhododendron occidentale G. F. Hrusa 1989-6-7 7176 Sonoma Above Franz Valley School Rd. immed. W of Sonoma/Napa Co. line 259 Comment
  UC157681  Rhododendron occidentale Milo S. Baker May, 1899 Sonoma near Forestville Comment
  UCD117913  Rhododendron occidentale Donna Allen 1977-5-24 s.n. Sonoma 30 miles on Dry Cr. Road to Stewart's Pt. Comment
  CAS-BOT-BC200342  Rhododendron occidentale var. occidentale Peter Rubtzoff 1955-5-21 1856 Sonoma Forestville Marsh. North facing slope bordering the Marsh in the south Comment
  CAS-BOT-BC111893  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  CAS-BOT-BC6187  Rhynchospora californica John Thomas Howell 1936-7-26 12679 Sonoma Pitkin Marsh, 5 miles N of Sebastopol Comment
  RSA35297  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA94075  Rhynchospora capitellata J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  RSA94070  Rhynchospora globularis var. recognita J. T. Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  RSA94093  Rhynchospora globularis var. recognita J. T. Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  UC730046  Ribes californicum Leo F. Koch 1940-4-20 807 Sonoma about 3 mi from Highway 1 (Plantation road) Comment
  CAS-BOT-BC168992  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1951-6-16 211 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC168994  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1954-6-19 1492 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC169003  Ribes divaricatum var. pubiflorum G. DeNevers 1981-6-20 1579 Sonoma At confluence of Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  SEINET12217220  Ribes menziesii F. H. Utech 1988-1 88 -203 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  UCD102490  Ribes sanguineum Michael A. Vincent; Ethan H. Freid 1998-4-8 8174 Sonoma Bodega Bay, 0.5 mile northeast of city limits along Rt. 1. Comment
  CAS-BOT-BC209371  Ribes sanguineum var. glutinosum Dorothy Scherer 1996-3-16 005 Sonoma West of Hwy 1 and south of Kolmer Gulch, Fort Ross State Historic Park 9 Comment
  JEPS9657 Image available Ribes victoris W. L. Jepson 1893-5-5 13507 Sonoma Middletown Grade Mt. St. Helena; Middletown Grade, Mt. St. Helena Comment
  UC90662  Rigiopappus leptocladus Katharine Brandegee Sonoma Cloverdale 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
  RSA247444  Rorippa palustris subsp. occidentalis Peter Rubtzoff 1964-8-20 5470 Sonoma Near pond 1 mile SE of Jenner (near jct of Hwy 1 and Hwy 12) Comment
  RSA800130  Rosa canina Peter Rubtzoff 1976-5-30 8565 Sonoma Kenwood Marsh Comment
  CDA3957  Rosa eglanteria T. C. Fuller 1966-6-2 14851 Sonoma South side of road to Valley Ford, 2 miles west of Two Rock. 0 Comment
  SEINET11912078  Rosa gymnocarpa F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -258 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC148200  Rosa rubiginosa Peter Rubtzoff 1959-5-30 4063 Sonoma Freestone Marsh Comment
  NY415883  Rosa sonomensis L. Greene 1888-9-30 s.n. Sonoma Comment
  CAS-BOT-BC262812  Rubus Peter Rubtzoff 1954-7-27 1590 Sonoma Guerneville Marsh; north end of marsh. Comment
  CAS-BOT-BC156601  Rubus bifrons Peter Rubtzoff 1951-6-30 289 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  UCR279615  Rubus spectabilis Peter Rubtzoff 1957-4-28 3291 Sonoma Duncan Mills Marsh 8 Comment
  UCD166411  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  UCD17814  Rubus ursinus H. Olmo 8-10 May 1962 62 09 Sonoma California. Sonoma County: 1.5 miles east of Fort Ross on road to Cazadero. Comment
  RSA783793  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  UCD166511  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC166717  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC166917  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC173526  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh Comment
  UCD148370  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  CAS-BOT-BC422230  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  RSA94324  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma Pitkin Marsh, near Forestville: Eastern branch of NE upper Marsh in partial shade on damp ground Comment
  UCD101008  Rumex acetosella Adam Green; Bowcutt 1994-5-1 1787 Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. S of Sonoma Creek about 125 yards 1/4 mile NW of confluence with Rattlesnake Creek, meadow in center of campground. Comment
  UCD101051  Rumex acetosella Caitlin Lewis; William Mutch 1993-4-17 10 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  UCD19485  Rumex acetosella Terry Reedy 1974-5-11 206 Sonoma Bodega Head, between road and freshwater marsh. 6 Comment
  UCD101097  Rumex conglomeratus Mary M. Hektner; Cathy Hendel 1974-7-25 170 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC421848  Rumex conglomeratus Walter Knight; Irja Knight 1963-8-13 156 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC421853  Rumex conglomeratus A. A. Heller 1902-6-7 5660 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC421581  Rumex crassus Walter Knight; Irja Knight 1963-8-13 179 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC166969  Rumex crispus Peter Rubtzoff 1959-9-13 4268 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC433413  Rumex crispus G. DeNevers 1981-5-30 1395 Sonoma Pepperwood Ranch. Near Pippindale Pond. Comment
  CAS-BOT-BC433450  Rumex crispus Alice Eastwood 1915-6-30 4896 Sonoma Bodega Comment
  UCD148399  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166928  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh. Comment
  RSA785147  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh Comment
  UCD148412  Rumex obtusifolius Peter Rubtzoff 1959-6-20 4167 Sonoma Willow Creek Marsh. Comment
  UCD158722  Rumex salicifolius James A. Neilson Jr. 1974-7-31 2832 Sonoma Mayacmas Mountains. North of Little Geysers well # 2. 731 Comment
  JEPS48949  Rumex salicifolius var. transitorius Hilda W. Grinnell 1933-7-21 Sonoma Bodega Bay Comment
  UCD108456  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  SEINET11764773  Ruppia maritima P. G. Connors 1991-1 s.n. Sonoma Bodega Head Comment
  UCR25318  Rytidosperma penicillatum John C. Roos 1957-7-2 6651 Sonoma Miller Ridge Comment
  CAS-BOT-BC249309  Sagina Peter Rubtzoff 1956-9-14 2886 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC249311  Sagina Peter Rubtzoff 1953-5-30 1419 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC259173  Sagina Peter Rubtzoff 1964-6-24 5370 Sonoma Lower Salmon Creek Marsh. 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
  UCD98456  Sagina procumbens Wm. E. Maddison 1991-5-9 s.n. Sonoma town of Windsor, 341 Windflower Ct. Comment
  CAS-BOT-BC445686  Sagittaria cuneata W. W. Carruth 1901-6-1 s.n. Sonoma Laguna near Fulton Comment
  RSA0015572  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  RSA534566  Salix bonplandiana Peter Rubtzoff 1957-5-4 3320 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC103943  Salix exigua Peter Rubtzoff 1957-5-26 3371 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  CAS-BOT-BC103949  Salix exigua Peter Rubtzoff 1952-6-15 1264 Sonoma Fitch Mtn., near Healdsburg. Bank of Russian River Comment
  CAS-BOT-BC107756  Salix hindsiana G. De Nevers 1981-5-20 1236 Sonoma Pepperwood Ranch - along Leslie Creek, 100 m above confluence with Mark West Creek Comment
  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
  UCSB10868  Salix lasiandra Baker, Milo; Ball, Carleton; Bracelin, H. 1931-5-9 Sonoma About 2 km east of Bodega Bay Comment
  CAS-BOT-BC128064  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC107093  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 mi. northeast of Penngrove on Lichau Rd. 213 Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC107252  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma Hills two miles southeast of Santa [Kosa] Rosa Comment
  HSC19993  Salix lasiolepis R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1340 Sonoma Along Sulphur Creek, 7 mi. W of Big Geysers Comment
  UC1042518  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Upper Marsh Pitkin Marsh (lower part, near Forestville) Comment
  UC1042519  Salix lasiolepis Peter Rubtzoff 1952-3-22 863 Sonoma Upper Marsh Pitkin Marsh (western branch, near Forestville) Comment
  UC1135035  Salix lasiolepis H. S. Yates 1934-4-21 3779 Sonoma near Bodega Bodega; Sebastopol quad. Comment
  UC453102  Salix lasiolepis W. A. Setchell 1931-7-31 19 Sonoma Bodega Bay Comment
  UC482062  Salix lasiolepis Baker, Ball, Bracelin, and Crum 1931-5-9 345 Sonoma about 2 km e Bodega Bay (creek bed) Comment
  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-BC107344  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  CAS-BOT-BC107356  Salix lasiolepis var. bigelovii A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay Comment
  CAS-BOT-BC128316  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma A marshy opening south of the Upper Marsh Comment
  RSA534549  Salix melanopsis Peter Rubtzoff 1972-9-8 6883 Sonoma Forest Hills. 5.5 miles E of Guerneville. Russian River margin. Comment
  RSA534562  Salix melanopsis Peter Rubtzoff 1978-7-19 9237 Sonoma Russian River at Del Rio Beach. Ca 2.5 miles E of Healdsburg on So. Fitch Mtn. Rd. Comment
  UC453079  Salix melanopsis W. A. Setchell 1931-7-25 1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  UC490559  Salix melanopsis Joseph P. Tracy 1932-5-8 9898 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  CAS-BOT-BC126183  Salix scouleriana W. A. Setchell 1934-7-10 5 Sonoma Coast Highway above Fort Ross Comment
  LA208907  Salix scouleriana W. A. Setchell; 1934-7-10 6 Sonoma Coast Hwy, N of Fort Ross Comment
  LA210148  Salix scouleriana W. A. Setchell; 1934-7-10 9 Sonoma Ridge Highway, above Fort Ross Comment
  UC424814  Salix scouleriana Milo S. Baker 1930-2-28 3882 a Sonoma w. of Occidental (along grade to Coleman Valley and along hwy. w. of Occidental down grade toward Graton) Comment
  UC517940  Salix scouleriana W. A. Setchell 1934-3-17 Sonoma beside rd. entering Bohemian Grove Monte Rio Comment
  LA208587  Salix sitchensis W. A. Setchell; 1934-7-10 7 Sonoma Coast Highway, N of Fort Ross Comment
  LA208960  Salix sitchensis Ball; Bracelin, Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km NW of Calistoga Comment
  POM362960  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SBBG57980  Salix sitchensis C. R. Ball, H. P. Bracelin, H. E. Parks, S. Parks 1931-4-21 35 Sonoma Maacama Crk, 25 km NW of Calistoga Comment
  UC1173578  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  UC1173579  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  CDA12040  Salvia sonomensis G. F. Hrusa 1990-1-2 7349 Sonoma North Coast Biodiversity Arena; Hogback Mtn., approx. 4 km. NE of Sonoma. Comment
  CDA132  Salvia sonomensis D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .279 Sonoma Cavedale Rd. Comment
  CHSC21957  Salvia sonomensis Robert A. Schlising 1962-3-31 2114 Sonoma California Coast Range. Along Cavedale Road, NE of Agua Caliente. Comment
  SFV8448  Salvia sonomensis K. Milam 1966-3-3 6 Sonoma North Coast Ranges Cavedale Road, opposite Hooker Canyon. 425 Comment
  SBBG5250  Sanicula arctopoides H. and M. Dearing 1939-5-14 3358 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC174166  Sanicula arctopoides Katharine Brandegee June, 1905 Sonoma Bodega Comment
  JEPS98655  Sanicula bipinnatifida O. Gomez, R. Power, E. and P. Vargas 1996-4-7 8 PV96 Sonoma Armstrong Redwoods, ridge over Bullfrog pond Cazadero Comment
  UCD128076  Sanicula crassicaulis M. Wiesendanger 1927-5-5 733 Sonoma Kenwood Springs. Comment
  SEINET13945169 Image available Sanicula crassicaulis C. Ritchie Bell 1952-1 3 X-334 Sonoma On hills between Santa Rosa and Calistoga Comment
  CHSC26274  Sanicula laciniata P. Kunst 1977-4-11 15 Sonoma 182 Comment
  RSA178040  Sanicula laciniata R. F. Thorne 1965-4-20 34388 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UCD166314  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma 6 miles east of Guerneville. 18 Comment
  UC416710  Satureja douglasii Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  UC1084447  Saxifraga integrifolia G. Thomas Robbins 1940-3-23 305 Sonoma near Wright School (along Sebastopol - Santa Rosa Highway) Comment
  CAS-BOT-BC111396  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-23 3924 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llamo Rd). Comment
  CAS-BOT-BC111432  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-31 3955 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC111535  Schoenoplectus americanus Peter Rubtzoff 1973-9-9 7319 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC111636  Schoenoplectus californicus Peter Rubtzoff 1955-8-6 2020 Sonoma Bodega Harbor Marsh. Comment
  RSA0019147  Schoenoplectus maritimus Peter Rubtzoff, Nancy Harrison 1974-9-7 7873 Sonoma Hinebaugh Creek in Rohnert Park, creek bed west of Commerce Blvd. crossing. Comment
  CAS-BOT-BC111796  Schoenoplectus pungens var. badius Marcus Eugene Jones 1882-7-18 3526 Sonoma Duncan's Mills Comment
  CAS-BOT-BC111803  Schoenoplectus pungens var. badius Ella D. Cantelow 1941-4-14 3638 Sonoma Near mouth of Salmon Creek near the Pacific Ocean. Comment
  CAS-BOT-BC111842  Schoenoplectus tabernaemontani Peter Rubtzoff 1955-9-10 2135 Sonoma East Guernewood, near Guerneville. On a Russian River island. Comment
  SEINET11750297  Schoenoplectus tabernaemontani W. Knight, Knight, I. 1984-1 5427 Sonoma Willow Cr. Road 61 Comment
  UC56352  Scirpus americanus J. Burtt Davy 1897-9-19 4056 Sonoma Petaluma Petaluma (salt-marsh) Comment
  CAS-BOT-BC111112  Scirpus microcarpus Peter Rubtzoff 1955-9-24 2152 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC111105  Scirpus microcarpus Peter Rubtzoff 1951-6-10 207 Sonoma A marshy opening south of the Upper Marsh Comment
  UC841014  Scirpus pungens Marcus E. Jones, A. M. 1882-7-18 3526 Sonoma Duncan's Mills Comment
  CAS-BOT-BC361398  Scleranthus annuus Greg de Nevers 1993-5-9 10441 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Double Culverts 457 Comment
  SEINET12058057  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -013 Sonoma Stillwater Cove Park between CA 1 & Pacific Ocean, 4.5 mi N of Ft. Ross 10 Comment
  SEINET12058076  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -002 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  SEINET926249  Scoliopus bigelovii Frank W. Gould 1939-1 562 Sonoma 2 miles south of Ft. Boss. Comment
  UC1023610  Scribneria bolanderi Virginia Bufford 1935-4-14 438 Sonoma Occidental, Blundin's Pasture Occidental; , Blundin's Pasture Comment
  SEINET12332455  Scrophularia californica F. H. Utech 1988-1 88 -224 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  UCD124561  Scrophularia californica Frederica Bowcutt 1994-5-21 1835 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. On side of hillside trail past the junction with Digger Pine trail approx. 1 mile. 411 Comment
  UC112913  Scutellaria californica Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UC764995  Sedum radiatum R. F. Hoover 1938-6-14 3608 Sonoma on road to Occidental 2 mi w Graton; w of Graton Comment
  UC615252  Sedum spathulifolium Beryl O. Schreiber 1934-5-16 1125 Sonoma near Healdsburg; near Healdsburg Comment
  UCD151102  Sedum spathulifolium James A. Neilson Jr. 1973-6-3 2946 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
  CAS-BOT-BC63937  Sedum spathulifolium J. Clausen 1935-5-23 1076 Sonoma 1.2 mi S of Petrified Forest Comment
  CDA42468  Selaginella wallacei T. C. Fuller 1958-5-24 4016 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  SEINET10471225  Selaginella wallacei A. Arthur Heller 1902-3-10 Heller 5024 Sonoma Hills two miles east of Santa Rosa. Comment
  UC201784  Senecio glomeratus P. B. Kennedy 1914-10-1 Sonoma Del Mar Ranch Comment
  UC566633  Senecio glomeratus H. L. Mason 1928-7-10 4884 Sonoma Jenner Comment
  RSA177961  Senecio greenei R. F. Thorne 1965-4-20 34380 Sonoma Charles Newman's place up Los Alamos Rd, on Rincon Ridge 396 Comment
  RSA790297  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma Laguna Lake, Chilano Valley. Comment
  UCR279612  Senecio minimus Peter Rubtzoff 1955-9-24 2150 Sonoma Duncan Mills Marsh, upper portion of marsh 9 Comment
  UCR279640  Senecio minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  SJSU14233  Senecio minimus C. W. Sharsmith 1989-5-14 9090 Sonoma Salt Point State Park c. 10 mi NW of Fort Ross Comment
  UC1299455  Senecio sylvaticus Freed W. Hoffman 1948-5-30 2680 Sonoma near Guerneville; North Coast Ranges, Poole Ridge Comment
  UCD133859  Senecio vulgaris Frederica Bowcutt 1996-3-24 2077 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. Along Lower Bald Mtn. Trail on first switchback. 441 Comment
  NY64476  Sequoia sempervirens R. R. Wilson 1939-7-25 438 Sonoma Ft. Ross, one-half mile from ocean Comment
  CAS-BOT-BC80326  Sequoia sempervirens A. A. Heller 1906-3-16 5080 Sonoma Russian [river] River near Trenton Comment
  CAS-BOT-BC366891  Setaria Greg de Nevers 1997-9-29 11099 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC243536  Setaria faberi David L. Morgan 1958-4-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line Comment
  CAS-BOT-BC243604  Setaria parviflora Peter Rubtzoff 1971-9-2 6685 Sonoma Todd Road near Stony Point Road Comment
  UCD92720  Setaria pumila John Thomas Howell 1947-9-26 32976 Sonoma near Guerneville. Russian River. Comment
  UC202838  Sidalcea calycosa subsp. calycosa Milo S. Baker May 1889 Sonoma Stewarts Canyon North Falls, Stewarts Canyon Comment
  RSA94097  Sidalcea calycosa subsp. calycosa J. T. Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  UC496409  Sidalcea diploscypha Merle Randall 1930-6-9 Sonoma Cazadero Comment
  JEPS50082  Sidalcea diploscypha D. Patchett 1917-5-15 Sonoma Edenrille Ranch Comment
  RSA293430  Sidalcea diploscypha Reino Alava 1958-5-24 2060 Sonoma About 4 miles east of Occidental Comment
  SEINET7042401  Sidalcea diploscypha A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD116755  Sidalcea malachroides P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD116782  Sidalcea malviflora Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-20 038 A Sonoma near Bihler Point, Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD116786  Sidalcea malviflora Cynthia Hodges 1982-4-8 13 Sonoma 10 miles south of Healdsburg on Chalk Hill Road directly off Highway 128. 39 Comment
  POM61854  Sidalcea malviflora subsp. malviflora A. A. Heller, H. E. Brown 1902-4-9 9190 Sonoma Three Miles South of Healdsburg. Comment
  HSC16029  Sidalcea malviflora subsp. purpurea James Faro 1962-4-22 2 Sonoma Ocean Cove Ranch, 4 mi. N of Fort Ross on Hwy. 1 Comment
  RSA41897  Sidalcea malviflora subsp. purpurea Ella Dales Cantelow 1938-5-7 s.n. Sonoma 4 miles N of Fort Ross Comment
  CAS-BOT-BC311804  Silene Peter Rubtzoff 1974-5-18 7417 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD98715  Silene gallica Terri Williamson 1990-5-20 57 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  SEINET4856109  Silene grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC389222  Silene laciniata subsp. californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Rd. 0.8 mi. E of junction with Harrison Grade Road Comment
  UC604116  Silene scouleri subsp. grandis Baker 1938-6-6 9026 Sonoma top of Bodega Rock Bodega Bay; North Bay Counties, , top of Bodega Rock Comment
  UC852864  Silene scouleri subsp. grandis Baker 1938-6-6 9026 Sonoma top of Bodega Rock North Bay Counties, Bodega Bay, top of Bodega Rock Comment
  CAS-BOT-BC5809  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodgea Point Comment
  HSC81852  Silybum marianum Thomas W. Nelson, Jane P. Nelson 1980-5-3 5129 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UC496429  Sisyrinchium bellum Merle Randall 1930-6-10 Sonoma Shore road from Jenner to Fort Ross 91 Comment
  SEINET12048679  Sisyrinchium bellum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -085 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UC1134661  Smilacina racemosa E. Armstrong 1934-3-26 917 Sonoma 2 mi s Camp Meeker; Sebastopol Quadrangle Comment
  UCD167434  Solanum Peter Rubtzoff 1958-9-20 3998 Sonoma Laguna de Santa Rosa NE of Graton (0.5 mi. N Guerneville Rd). Comment
  RSA227218  Solanum americanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  RSA227219  Solanum americanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  CAS-BOT-BC156865  Solanum umbelliferum M. S. Baker 1929-1-2 3401 b Sonoma North side Mill Creek, along trail from Cooper's Ranch to Cypress Grove Comment
  RSA0062823  Solidago californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC365259  Solidago velutina subsp. californica Peter Rubtzoff 1951-9-15 749 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC368009  Solidago velutina subsp. californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC365265  Solidago velutina subsp. californica G. DeNevers 1981-7-28 1875 Sonoma Pepperwood Ranch. E side of Leslie Road, 40 miles S of the 1st bridge Comment
  CAS-BOT-BC374527  Sonchus asper John H. Thomas 1976-6-15 18326 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC374528  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  UCD92809  Sorghum bicolor subsp. drummondii David L. Morgan 1955-8-1 s.n. Sonoma On Arnold Drive, 3 miles S of Sonoma State Home. Comment
  RSA20121  Sparganium eurycarpum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  UCD92976  Spartina foliosa Beecher Crampton 1958-12-30 5140 Sonoma 10 miles west of city of Vallejo, along Sonoma Creek, north shore of San Pablo Bay. Comment
  CAS-BOT-BC251230  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  RSA477990  Spergula arvensis E. A. Purer 1932-7-21 16084 Sonoma Bodega Bay. Comment
  CAS-BOT-BC390047  Spergula arvensis John H. Thomas 1976-6-15 18307 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC390048  Spergula arvensis Barbara Stuart Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  RSA696201  Spergula arvensis Keith E. Hoffmaster 1946-3-9 1043 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC251315  Spergularia Peter Rubtzoff 1959-6-20 4146 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC320524  Spergularia Peter Rubtzoff 1974-6-9 7588 Sonoma Upper Green Valley Marsh. Comment
  UCD99214  Spergularia macrotheca Mary M. Hektner; Cathy Hendel 1974-7-25 176 Sonoma at west end of Fish Rock Road; Unit 35-A Owners' Map, Sea Ranch, near Highway 1. Comment
  RSA0098145  Spergularia macrotheca E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  SD39611  Spergularia macrotheca var. macrotheca Edith A. Purer 1932-7-21 4053 Sonoma Bodega Bay. Comment
  NY505335  Spergularia rubra B. J. Ertter 1988-11-5 8027 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152.4 Comment
  RSA0022423  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, ca. 0.5 mi upstream from Hwy #1. Comment
  CAS-BOT-BC500699  Stachys Peter Rubtzoff 1961-5-24 4603 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC502055  Stachys Peter Rubtzoff 1964-7-29 5446 Sonoma Brooks Gulch Marsh Comment
  UCLA70882  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-27 Sonoma Shellville Comment
  SEINET6744782 Image available Stachys chamissonis Marcus E. Jones 1882-1 Sonoma Duncan's Mills Comment
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Apr 7 2018
  UCD160823  Stachys rigida James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3371 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET9361053  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  UCD126062  Stachys rigida var. quercetorum Terri Williamson 1990-5-20 55 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UCD125568  Stachys rigida var. quercetorum Frederica Bowcutt 1994-5-21 1807 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 2.5 air miles NE of Kenwood. Along the Meadow Trail, about 0.25 mile from the trail head. 396 Comment
  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
  RSA0062827  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  RSA800606  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC397764  Stellaria media A. A. Heller 1902-6-10 1041 Sonoma Santa Rosa Comment
  JEPS128386  Stipa lepida Roger Raiche 2000-5-4 063 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  UC1492711  Streptanthus barbiger Freed W. Hoffman 1950-5-24 3359 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  UC1292729  Streptanthus brachiatus Freed W. Hoffman 1957-8-22 4207 Sonoma near Contact Mine, E of Pine Flat; on Sonoma-Lake county line 914 Comment
  UC972158  Streptanthus brachiatus Helen K. Sharsmith 1952-6-18 4129 Sonoma near junct. of Socrates Mine Road with Pine Flat-Middletown road; Inner North Coast Ranges, Mayacamas Mountains 975 Comment
  UC1292754  Streptanthus glandulosus Freed W. Hoffman 1948-5-24 2337 Sonoma Austin Creek road just above Great Easten Quicksilver Mine North Coast Ranges Comment
  SEINET10815406 Image available Streptanthus glandulosus Fred W. Hoffman 1948-6-8 Hoffman 2323 Sonoma Great Eastern Quicksilver Mine near Guerneville, Sonoma County Comment
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May 8 2018
  UC1601645  Streptanthus glandulosus subsp. glandulosus Katharine Brandegee Sonoma Mt. St. Helena Comment
  JEPS26976  Streptanthus glandulosus subsp. secundus W. L. Jepson 1904-5-29 2430 Sonoma Mark West Creek Comment
  NY185747  Streptanthus glandulosus subsp. secundus F. W. Hoffman 1948-6-8 2323 Sonoma North Coast Ranges; Great Eastern Quicksilver Mine near Guerneville Comment
  UC985962  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma Del Preti Hill North Coast Ranges Comment
  SEINET12006991  Streptanthus heterophyllus Unknown 1936-1 13416 Sonoma near Healdsburg Comment
  UCD167449  Streptanthus morrisonii James Neilson 1983-6-13 4096 Sonoma wind ridge upper East Austin Creek. East side of the Cedars. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD168052  Streptanthus morrisonii James Neilson 1981-5-15 4031 Sonoma Mayacmas Mountains, Shell Well Site E. Bear Ridge. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  CAS-BOT-BC257963  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC269631  Symphoricarpos albus var. laevigatus Walter Knight; Irja Knight 1963-10-3 355 Sonoma Crane Canyon Comment
  UC353794  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 a Sonoma e side Los Guilucos Valley (road to Youngman's) Comment
  CAS-BOT-BC97824  Symphyotrichum chilense Greg de Nevers 1987-1-1 8121 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC98569  Symphyotrichum lentum Peter Rubtzoff 1958-9-6 3986 Sonoma Laguna de Santa Rosa east of Sebastopol - Sonoma County Marshes Comment
  JEPS9925  Synthyris reniformis J. Burtt Davy 1896-3-14 1651 Sonoma Cazadero Comment
  CDA16162  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15073 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  CAS-BOT-BC376984  Taraxacum officinale John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53962 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD107049  Taraxia ovata C. Wistrom-Number 1996-4-6 21 Sonoma Healdsburg 1601 Dry Creek Road. 48 Comment
  JEPS86301  Teesdalia coronopifolia Charles F. Quibell 1975-2-24 1228 Sonoma 0.5 mi n of intersection with Peracca Guenza intersection (along w side of Grange Road); Grange Road Comment
  RSA800480  Thermopsis californica var. californica Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake Comment
  UCSB21296  Thermopsis californica var. californica McCarthy, Sharon 1965-4-11 Sonoma East side of Bennett Peak, 2.5 miles west on dirt road from junction at Lawndale Road, 1 mile from its junction with State Highway 12, southwest of Glen Ellen Comment
  UC147268  Thysanocarpus curvipes Milo S. Baker 1903-3-20 Sonoma Sonoma Cr. Canyon Comment
  CAS-BOT-BC66814  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  RSA122895  Thysanocarpus curvipes var. curvipes E. Armstrong 1934-3-26 920 Sonoma 2 miles W of Camp Meeker. 122 Comment
  CAS-BOT-BC66951  Thysanocarpus laciniatus John Thomas Howell 1934-3-27 11802 Sonoma Santa Rosa Creek Canyon. Comment
  UCD116048  Thysanocarpus radians M. Wiesendanger 1927-5-5 715 Sonoma Sonoma. Comment
  CAS-BOT-BC447590  Tiarella trifoliata subsp. unifoliata W. W. Carruth 1899-7-1 s.n. Sonoma Geysers Comment
  UC419740  Tiarella trifoliata var. unifoliata Mrs. H. P. Bracelin 1930-7-27 21 Sonoma one mi n Fort Ross; n of Fort Ross Comment
  UC570910  Tiarella trifoliata var. unifoliata H. L. Mason 1928-7-11 4888 Sonoma Canyon 2 mi n Fort Ross; n of Fort Ross Comment
  RSA523395  Tonella tenella Harry K. Roberts 1968-4-6 s.n. Sonoma North side of Mt Jackson, 1.5 airline miles NNE of Rio Nido, on road to lookout, ca 1 mile NE of Sonoma Mercury Mine. 320 Comment
  SFV17047  Torilis arvensis P. Wilson 1997-6-1 3463 Sonoma Sugarloaf Ridge State Park. 500 Comment
  CAS-BOT-BC81461  Torreya californica J. W. Congdon 1880-5-17 116 Sonoma Guerneville Comment
  CAS-BOT-BC377110  Tragopogon porrifolius G. DeNevers 1981-5-20 1220 Sonoma Pepperwood Ranch. At the Golden Gate Bus Station on Piner Road Comment
  CAS-BOT-BC519552  Triantha occidentalis subsp. occidentalis Peter Rubtzoff 1951-7-14 466 Sonoma Sonoma Comment
  UC1299469  Trichostema laxum Freed W. Hoffman 1946-8-14 787 Sonoma serpentine island E of Camp Meeker; North Coast Ranges Comment
  UC762794  Trichostema laxum R. F. Hoover 1942-7-13 5917 Sonoma 3 mi S of Monte Rio Comment
  UC1301132  Trientalis latifolia Helen K. Sharsmith 1963-5-25 5489 Sonoma on Coleman Valley Road e of Occidental; San Francisco Bay Region, Coleman Valley Road 304 Comment
  CAS-BOT-BC166755  Trifolium Peter Rubtzoff 1974-8-5 7815 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC173536  Trifolium Peter Rubtzoff 1974-6-2 7510 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173625  Trifolium Peter Rubtzoff 1974-4-17 7374 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC376224  Trifolium Greg de Nevers No date on label 10840 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC166769  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS117950  Trifolium Zoya Akulova-Barlow 2005-12-1 Sonoma Cloverdate River Park, Russian River Comment
  RSA784988  Trifolium Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784989  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCSC006120  Trifolium amoenum Randall Morgan 1996-1 Sonoma Comment
  CDA15995  Trifolium angustifolium G. F. Hrusa, M. Gillogly 2000-7-26 15675 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Comment
  POM21441  Trifolium bifidum var. decipiens A. A. Heller, H. E. Brown, A. H. Heller 1902-4-15 7339 Sonoma Santa Rosa. Comment
  UC631218  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UC16476  Trifolium depauperatum var. depauperatum W. H. Brewer 1862-4-18 980 Sonoma near Sonoma (in a field) Comment
  UCD108545  Trifolium depauperatum var. truncatum R. Tofsrud 1951-5-27 s.n. Sonoma Daken's place near Mark West Springs. Comment
  UCD167338  Trifolium dubium James A. Neilson Jr. 1983-5-9 4091 Sonoma Mayacmas Mountains. About 3 mi north of beginning of Geysers-Healsderg Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1084487  Trifolium fucatum G. Thomas Robbins 1938-5-19 263 Sonoma sw Santa Rosa (along Sandy Point Rd) Comment
  UCD109024  Trifolium fucatum P. B. Kennedy 1929-5-24 10295 Sonoma Between Cazadera and Seaview. Comment
  JEPS46058  Trifolium gracilentum var. gracilentum Eleanor Armstrong 1933-4-15 714 Sonoma Bodega Hill 18 Comment
  UCD143709  Trifolium grayi Beecher Crampton 1955-4-5 2410 Sonoma 2 miles north of Trenton, Mark West Station Road. Comment
  UCR218645  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16210 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
  UCD165133  Trifolium hydrophilum Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  UC16904  Trifolium incarnatum unknown 1894-5-4 Sonoma Lytton Springs Healdsburg Comment
  UCD111309  Trifolium macraei Mary M. Hektner 1976-5-10 255 Sonoma Along ocean bluff below Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC631590  Trifolium microdon P. B. Kennedy 1915-5-31 Sonoma along trails; Del Mar Comment
  UCD161295  Trifolium microdon James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3689 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
  CDA31340  Trifolium repens D. G. Kelch, Ed Biffin 2010-5-3 10 .212 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCSC005675  Trifolium stenophyllum Randall Morgan 1995-5-18 2610 Sonoma 6+ miles up Coleman Valley Road from Occidental Comment
  CAS-BOT-BC479714  Trifolium striatum Ann Howald 2003-5-15 2337 Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, upper E slope, c. 0.1 mi S of Rodgers Creek 205 Comment
  UCD109496  Trifolium variegatum var. major Terri Williamson 1990-5-20 59 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  UC85339  Trifolium variegatum var. melananthum Michener and Bioletti May 1893 Sonoma Kenwood Comment
  UC424772  Trifolium variegatum var. melananthum Milo S. Baker May 1929 3597 b Sonoma near White School Comment
  JEPS4162  Trifolium willdenovii Milo S. Baker 1898-6-12 645 Sonoma Geyser Canyon Comment
  POM21427  Trifolium willdenovii A. A. Heller, H. E. Brown 1902-4-9 5238 Sonoma Three Miles South of Healdsburg. Comment
  UC16731  Trifolium willdenovii F. T. Bioletti 1892-5-15 Sonoma South Los Guilicos Comment
  UCD35299  Trifolium willdenovii Beecher Crampton 1955-4-5 2422 Sonoma Aong state Highway 104, 3 miles west of Schellville. Comment
  OBI78224  Trifolium wormskioldii Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood Comment
  UCD165156  Trifolium wormskioldii Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC451942  Triglochin maritima Peter Rubtzoff 1963-8-17 5224 Sonoma Near Petaluma River just east of Petaluma. Comment
  UC75634  Trillium albidum Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC520841  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 574 Sonoma Steep moist bluff at confluence of two ravines on Skaggs Springs Rd. about 10 mi. W of its Jct. with Dry Ck. Rd.; W of Geyserville Comment
  SEINET12050382  Trillium ovatum F. H. Utech 1988-1 88 -216 Sonoma Salt Point, along CA 1 between Jenner and Stewart's Point, mile marker 38.39 75 Comment
  UC886563  Triphysaria pusilla Keith Wagnon 1938-3-25 Sonoma Macken's pasture on O'Farrel Hill Comment
  SD130528  Triphysaria pusilla F. Almeda, G. DeNevers 1981-3-30 4890 Sonoma Pepperwood Ranch, SE facing slopes just west of the Redwood Canyon Comment
  CHSC37363  Triphysaria versicolor subsp. faucibarbata R. M. Winchell 1980-4-20 1 Sonoma Along hillside of Bennet Valley Road. Comment
  UC1348907  Triphysaria versicolor subsp. faucibarbata Robert F. Thorne 1965-4-19 34308 Sonoma Guerneville Hwy 1 mi e of Laguna Road ca 4 mi w Santa Rosa 45 Comment
  RSA13530  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1930-5-9 631 Sonoma Knights Valley, Comment
  JEPS15322  Triphysaria versicolor subsp. versicolor H. S. Yates 1934-4-21 3793 Sonoma near Bodega; Sebastopol Quad., near Bodega Comment
  UCD93497  Trisetum canescens Beecher Crampton 1955-6-17 2948 Sonoma 4.5 miles S of Cazadero. Comment
  UCR280141  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  CAS-BOT-BC200099  Trisetum canescens G. DeNevers 1981-5-30 1393 Sonoma E slope of Horse Hill Comment
  UCD93633  Trisetum canescens R. Tofsrud 1941-4-1 157 Sonoma Rhododendron Park. Comment
  UC53775  Trisetum cernuum State Survey June 1867 6465 b Sonoma Cloverdale Comment
  CAS-BOT-BC522373  Triteleia hyacinthina G. DeNevers; S. Kaza 1981-5-7 974 Sonoma 10510 Old Redwood Hwy. 2 miles NW of Windsor exit from 101, vernal pool meadow, vacant lot by Healdsburg Rent-All Comment
  RSA41933  Triteleia hyacinthina H. C. Cantelow 1938-5-1 749 Sonoma Shellville Road about 25 miles north of Ross Comment
  RSA70138  Triteleia laxa F. W. Peirson, Mabel Peirson 1926-4-1 6547 Sonoma 6 miles south of Cloverdale. Comment
  CAS-BOT-BC80205  Tsuga heterophylla B. F. Smith 1962-10-24 29 Sonoma 3.5 miles southeast of Gualala 182 Comment
  CAS-BOT-BC74108  Turritis glabra Rimo Bacigalupi 1926-5-2 1404 Sonoma Cazadero. Comment
  SD134039  Typha angustifolia Peter Rubtzoff 1971-7-9 6592 Sonoma 5 mi. north of Sears Point. Shallow water near margin of pond Comment
  CAS-BOT-BC208025  Ulex europaeus A. A. Heller; H. E. Brown 1902-3-22 5126 Sonoma Among redwood trees West of Sebastopol Comment
  SD69963  Ulex europaeus Darley Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on route 1 Comment
Read comments
Feb 6 2013
  RSA187426  Ulex europaeus John H. Thomas 1966-3-22 11543 Sonoma In the vicinity of Bodega Comment
  CAS-BOT-BC258006  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  RSA785729  Umbellularia californica Carrie A. Herd 1982-3-9 13 Sonoma Crane Creek Regional Park Comment
  UC1084350  Umbellularia californica G. Thomas Robbins 1937-3-25 5 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  RSA39873  Umbellularia californica P. A. Munz 1947-10-9 12209 Sonoma 1.5 miles northeast of Armstrong Redwoods State Park. 91 Comment
  SEINET12093236  Umbellularia californica W. Knight, Knight, I.; Edwards, S. 1986-1 5370 Sonoma Trees along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  CAS-BOT-BC404237  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-7-27 1584 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC404238  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-6-24 5386 Sonoma Coleman Marsh Comment
  UC848742  Urtica dioica subsp. holosericea Marcus E. Jones, A. M. 1882-7-17 3483 Sonoma Duncan Mills Comment
  CAS-BOT-BC193382  Vaccinium ovatum Mary P. Wells 1985-10-4 680 Sonoma New road to semi-pygmy forest south of Gualala River Comment
  UCD118075  Vaccinium ovatum Beecher Crampton 1955-6-17 2980 Sonoma Sonoma County, 0.5 mile north of Camp Meeker. Comment
  CAS-BOT-BC199473  Vaccinium parvifolium Ira L. Wiggins 1948-3-21 11617 Sonoma At western margin of Kruse Rhododendron State Park Comment
  UC419732  Vaccinium parvifolium Mrs. H. P. Bracelin 1930-7-27 22 Sonoma 1 mi N of Fort Ross Comment
  RSA40679  Vaccinium parvifolium I. L. Wiggins 1948-3-21 11617 Sonoma Western margin of Kruse Rhododendron State Park. Comment
  CAS-BOT-BC76168  Vancouveria planipetala Peter Rubtzoff 1953-5-18 1409 Sonoma South of Guerneville. (Neeley Hill Area). Comment
  UC1126304  Vancouveria planipetala H. S. Yates 1936-5-16 5614 Sonoma 1 mi nw Mountain View School; Sebastopol Quad., nw of Mountain View School 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
  HSC15731  Veratrum fimbriatum C. B. Wolf 1927-9-2 1350 Sonoma 1.0 mi. S of Gualala River Comment
  CAS-BOT-BC154132  Verbascum Peter Rubtzoff 1952-6-15 1261 Sonoma Fitch Mountain Grove Resort, near Healdsburg, along Russian River Comment
  UCR248897  Verbascum blattaria Peter Rubtzoff 1969-8-24 6142 Sonoma Pond on River Road, 3 miles west of Fulton 27 Comment
  CDA29820  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 a Sonoma North Coast Biodiversity Arena; Along Leslie Creek approx. 1/4 mi. above Mark West Springs road crossing. Sheet 1 of 3. Comment
  JEPS39095  Verbena lasiostachys var. lasiostachys W. L. Jepson 1921-9-12 9486 Sonoma Alexander Valley 45 Comment
  UCR129499  Verbena lasiostachys var. scabrida 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
  CAS-BOT-BC157663  Veronica Peter Rubtzoff 1962-5-6 4809 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164366  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC262805  Veronica Peter Rubtzoff 1974-9-7 7867 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-BC176144  Veronica americana Peter Rubtzoff 1960-6-9 4482 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  RSA800076  Veronica scutellata Peter Rubtzoff, Nancy Harrison 1978-6-11 9211 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UC353801  Veronica scutellata Milo S. Baker 1928-4-28 3006 a Sonoma Pitkin Swamp Comment
  UCR255466  Veronica scutellata Ann Howald 2014-5-2 3002 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  CAS-BOT-BC269313  Veronica scutellata Peter Rubtzoff 1972-6-24 6788 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC267246  Viburnum ellipticum Greg de Nevers 1987-5-11 8177 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC366879  Vicia hirsuta Greg de Nevers 1993-5-6 10425 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  UCD108795  Vicia lutea Frederica Bowcutt 1996-5-19 2152 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Near trailhead for Lower Bald Mountain. Above Group campground. 472 Comment
  RSA51333  Vicia sativa Peter H. Raven 1950-4-6 1585 Sonoma Cotati to Santa Rosa Comment
  UC35304  Viola glabella J. Burtt Davy 1896-3-13 1653 Sonoma Cazadero Comment
  UCD110883  Viola glabella Jo Nixon 1951-3-24 6 Sonoma Along side of Highway 1, 5 miles N of Bodega Bay. Comment
  CAS-BOT-BC361346  Viola lobata Greg de Nevers 1997-4-24 10966 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD151173  Viola lobata James A. Neilson Jr. 1974-4-24 2730 Sonoma Mayacmas Mountains. Socrates Mine Road, near Headquarters. (Elevation estimated using Google Earth by label maker.) 853 Comment
  CDA10944  Viola ocellata G. F. Hrusa, G. L. Stebbins 1994-3-28 11702 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. N of Duncan's Mills on D.M. Cazadero Rd. Adjacent to East Austin Cr. Rd. on E side of Creek. Comment
  UC1761472  Viola ocellata Milo S. Baker 1898-4-3 991 Sonoma between Cazadero and Guerneville Comment
  CAS-BOT-BC270154  Viola palustris M. S. Baker 1906-5-1 s.n. Sonoma At Kenwood Comment
  POM179744  Viola pedunculata A. A. Heller, H. E. Brown 1902-4-23 5357 Sonoma Near Sonoma. Comment
  SD56681  Viola sempervirens Darley F. Howe 1963-7-3 Sonoma 20 mi. no. of jnct. With #12 on #1 Comment
  SD70998  Viscum album Stanley Rose 1966-4-3 Sonoma about 1 mile from Sebastopol on Gravenstein Highway North Comment
  CDA2767  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma Stanley Rose property, 1090 Gravenstein Highway North at Hill Station Road, 1 mile north of Sebastopol. 0 Comment
  POM136379  Vitis californica A. A. Heller 1902-6-24 5760 Sonoma Near Burke's Sanitarium Comment
  UCD60314  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma On highway near Hilton, 2 miles E of Korbel on Russian River. Comment
  UCD58727  Vitis rupestris Eric Wada 2006-9-3 RR 6 Sonoma On SR116 ca. 5mi south of Guerneville 58 Comment
  CAS-BOT-BC199825  Vulpia John H. Thomas 1976-6-16 18347 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC199907  Vulpia bromoides Peter Rubtzoff 1958-5-10 3639 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  CAS-BOT-BC199908  Vulpia bromoides Peter Rubtzoff 1960-5-18 4365 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC199894  Vulpia bromoides Mary P. Wells 1985-4-27 508 a Sonoma Monan's Rill, no. of St. Helena Road southeast of Calistoga Road Comment
  SEINET197662 Image available Vulpia bromoides Leo Koch 23/47/0001 85564 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  UCD93470  Vulpia bromoides Beecher Crampton 1955-3-14 2320 Sonoma Asti. Comment
  SEINET197665 Image available Vulpia microstachys var. ciliata Leo Koch 23/47/0001 835 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  CAS-BOT-BC184594  Vulpia microstachys var. pauciflora G. DeNevers 1981-6-4 1431 Sonoma On road cut top of W arm of Garrison Canyon Comment
  CAS-BOT-BC185834  Vulpia myuros subsp. megalura W. L. Jepson 1911-4-30 4186 Sonoma Sonoma Valley 83 Comment
  SD130428  Whipplea modesta F. Almeda, G. DeNevers 1981-3-30 4896 Sonoma Pepperwood Ranch; in Redwood Canyon. Comment
  SEINET12215351  Whipplea modesta Unknown 1947-1 101 Sonoma on county road 0.5 mi W of Freeze-out Creek across Russian River from Duncan's Mills