Search Results — 2000 specimen records retrieved (1288 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78076  Abies grandis Walter Knight; Irja Knight 1984-8-18 5018 Sonoma Gualala Point Regional Park over-looking Gualala River Comment
  CAS-BOT-BC451109  Acaena pinnatifida var. californica Greg de Nevers 1996-8-28 10860 Sonoma Trail from Shell Beach to Pomo Campground. 40 Comment
  CAS-BOT-BC451110  Acaena pinnatifida var. californica W. P. Vestal; A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross Comment
  CDA11341  Acer macrophyllum G. F. Hrusa 1995-4-2 12051 Sonoma North Coast Biodiversity Arena; Corner of Franz Valley School Rd. and Franz Valley Rd. Comment
  POM136899  Acer macrophyllum A. A. Heller, H. E. Brown 1902-3-21 8912 Sonoma Hills southeast of Santa Rosa Comment
  UC1084373  Acer negundo G. Thomas Robbins 1937-3-27 44 Sonoma Santa Rosa bed of Santa Rosa Creek, Santa Rosa Comment
  CAS-BOT-BC30085  Achillea millefolium Alice Eastwood 1915-6-29 4805 Sonoma Bodega Point Comment
  UCSB15937  Achillea millefolium 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC400007  Achlys triphylla Greg de Nevers; Susan Charnley 1987-3-28 8129 Sonoma Sea Ranch, along the Gualala River 20 Comment
  UCD38482  Acmispon Beecher Crampton 1955-6-17 2967 Sonoma Fort Ross. Comment
  UCD35653  Acmispon brachycarpus Beecher Crampton 1959-6-16 5373 Sonoma 1 mile east of Occidental. Comment
  UCD104028  Acmispon brachycarpus Frederica Bowcutt 1994-6-25 1913 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 Grey Pine Trail about 1/2 way between Bushy Peak Trail and Meadow Trail. 530 Comment
  UCD104197  Acmispon grandiflorus var. grandiflorus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD35511  Acmispon junceus var. biolettii Beecher Crampton 1957-7-22 4370 Sonoma State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  UCSB50219  Acmispon strigosus Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  CAS-BOT-BC29848  Adenocaulon bicolor Volney Rattan 1877-6-18 s.n. Sonoma Guerneville Comment
  POM56895  Adenocaulon bicolor A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC139921  Adenostoma fasciculatum Walter Knight; Irja Knight 1963-8-23 193 Sonoma Joost Ranch, Calistoga Rd. 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
  CAS-BOT-BC65686  Adiantum jordanii Walter Knight; Irja Knight 1963-12-27 459 Sonoma Pine Flat Rd. Comment
  UCR254921  Aegilops triuncialis Greg de Nevers 1989-1 9066 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS117102  Agoseris apargioides Peter Warner 2010-6-14 166 Sonoma Jenner Headlands, upper Jenner Pastlure, ~ 300 m, N 76 deg. E of residence house, just downslope from ultramafic outcrop in coastal grassland; above Jenner Gulch near power line overhead and small stand of Douglas-fir Comment
  UC126386  Agoseris apargioides var. eastwoodiae Katharine Brandegee 1905-1 Sonoma Bodega Head Bodega Head Comment
  SEINET11842955  Agoseris grandiflora F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -173 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 485 Comment
  SEINET7067262  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-BC210007  Agrostis Peter Rubtzoff 1970-9-3 s.n. Sonoma Marsh off Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  SEINET10717804  Agrostis P. Rubtzoff 1967-8-22 Rubtzoff 5857 Sonoma SE of Lower Salmon Creek Marsh. Comment
  SEINET10717805  Agrostis P. Rubtzoff 1971-6-29 Rubtzoff 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  SEINET10717807  Agrostis P. Rubtzoff 1968-7-13 Rubtzoff 5918 Sonoma Upper Salmon Creek Marsh. Comment
  SEINET3916029  Agrostis californica Beecher Crampton 1957-7-11 4344 Sonoma Sonoma County, 4.6 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1, Duncan's Point.; 0 Comment
  UCD51847  Agrostis capillaris Beecher Crampton 1957-7-22 4365 Sonoma along Hwy. 1, 8.2 miles north of Stewart's Point. Comment
  UCD37156  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51886  Agrostis densiflora Beecher Crampton 1957-7-11 4336 Sonoma Sonoma Coast State Park, 1.7 miles north of Salmon Creek. Comment
  CAS-BOT-BC126974  Agrostis exarata Peter Rubtzoff 1951-8-18 622 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC126976  Agrostis exarata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road. 15 miles east of Stewarts Point. Comment
  UC573821  Agrostis exarata H. S. Yates 1937-5-31 6565 Sonoma in meadow 1 1/2 mi ne Petrified Forest; Calistoga Quadrangle Comment
  UCD52078  Agrostis exarata Beecher Crampton 1959-6-16 5391 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  SEINET10790020  Agrostis exarata A. Arthur Heller 1902-6-27 Heller 5779 Sonoma West of Windsor near Russian river. Comment
  SEINET7593690 Image available Agrostis exarata A. S. Hitchcock 1908-1 2690 Sonoma Willits Comment
  UCD53511  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC139551  Agrostis gigantea Herbert L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  UC1011207  Agrostis hallii Virginia Bufford 1936-5-21 370 Sonoma near Skaggs Springs Comment
  UCD37347  Agrostis hallii Beecher Crampton 1959-6-16 5376 Sonoma Sonoma County, 1 mile east of Occidental. Comment
  UCD38726  Agrostis hallii Beecher Crampton 1957-7-11 4300 Sonoma 1.4 miles southeast of Bodega Bay. Comment
  UCD52716  Agrostis hallii Roxana S. Ferris; Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump. Comment
  UCD52723  Agrostis hallii Beecher Crampton 1957-7-11 4347 Sonoma slopes above Shell Beach, Sonoma Coast State Park, 7.4 miles north Salmon Creek. Comment
  RSA74318  Agrostis hallii Anonymous 1947-5-12 11762 Sonoma Near horse trail in rocky ledge Hood Mt. 427 Comment
  UCD148468  Agrostis microphylla Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh. Comment
  UC1023594  Agrostis scabra Virginia Bufford 1936-5-20 346 Sonoma 3 mi from Mark West (Kellogg Mark West Rd) Comment
  UC1023593  Agrostis stolonifera Virginia Bufford 1936-5-22 399 Sonoma 4 mi n Stewarts Point (Hwy 1) Comment
  UCD53495  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  SEINET3127807  Aira caryophyllea Michener, Bioletti sn Sonoma S. Los Guilicos Comment
  CAS-BOT-BC138211  Aira caryophyllea var. caryophyllea David L. Morgan 1955-6-30 s.n. Sonoma Under bridge at Austin Creek, 3 miles west of Monte Rio, State Highway #12. Comment
  UC903689  Aira elegantissima Milo S. Baker 1947-4-22 11691 Sonoma trail from residence of Gray ranch towards cliffs at summit; Hood Mt. 274 Comment
  UCR244502  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  UCR279634  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville 13 Comment
  CAS-BOT-BC173620  Alisma lanceolatum Peter Rubtzoff 1976-5-30 8570 Sonoma Kenwood Marsh Comment
  RSA790061  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma Five miles north of Sears Point. Comment
  UCD137921  Alisma lanceolatum Peter Rubtzoff 1958-7-20 3783 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC445459  Alisma triviale John Thomas Howell 1947-6-26 23310 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC445458  Alisma triviale D. E. Breedlove 1980-6-27 44740 Sonoma Peppewood Ranch W of Knights Valley Comment
  CAS-BOT-BC445475  Alisma triviale Peter Rubtzoff 1980-8-23 9619 Sonoma Marin-Sonoma county line. San Antonio Creek on east side of Hwy. 101 crossing. On Marin County side of the creek. Comment
  CAS-BOT-BC462391  Allium amplectens Greg de Nevers 1997-5-3 10154 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC462387  Allium amplectens R. C. Barneby 1954-4-30 11226 Sonoma S of Schellville 100 Comment
  SEINET181187  Allium amplectens Bassett Maguire, R Maguire; C. B. Maguire 1934-6-7 15081 Sonoma 2 mi N of Geyserville Comment
  JEPS82409  Allium bolanderi Roger Raiche 1983-6-4 30374 Sonoma Sweetwater Springs Road 3.9 mi w West Side Highway (above Porter Creek, e of its intersection with John Gordon Creek, on s side of road); Porter Creek 121 Comment
  CAS-BOT-BC469101  Allium dichlamydeum Dorothy Scherer 1996-6-3 045 Sonoma 1 mile north of park headquarters, Fort Ross State Historic Park 12 Comment
  JEPS77859  Allium hickmanii Robert M. Lloyd 1965-5-8 3624 Sonoma 3 mi n. of junction with Aqua Caliente Road Highway 12 (meadow across from Lawrence Triangle End Garage) Comment
  SEINET7067339  Allium parryi A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  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
  UCD138618  Allium vineale G. D. Barbe 1974-4-29 1782 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. Comment
  CAS-BOT-BC451307  Allotropa virgata Greg de Nevers 1991-6-22 9752 Sonoma Pepperwood Natural Preserve., 33450 Franz Valley Road 475 Comment
  UC1585375  Alnus rhombifolia R. Raiche, K. Zadnik, and H. Forbes 1989-1-10 Sonoma 6.9 km w of Soda Springs (e of Stewarts Point, along the Gualala River, on Skaggs Springs-Stewarts Point Road); Gualala River, Skaggs Springs-Stewarts Point Road Comment
  POM106478  Alnus rubra Marcus E. Jones 1882-7-17 3484 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC138044  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1951-6-10 200 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC138046  Alopecurus aequalis var. sonomensis John Thomas Howell 1947-6-5 23229 Sonoma Cunningham Marsh. Comment
  UCD55893  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5603 Sonoma 2 miles SE of Forestville. 30 Comment
  UCD150834  Alopecurus saccatus Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  SD30763  Ambrosia chamissonis Edith A. Purer 1932-7-21 4044 Sonoma Bodega Bay, Sandy bluff Comment
  CAS-BOT-BC55540  Ambrosia psilostachya M. K. Bellue 1938-6-1 s.n. Sonoma Near Santa Rosa Comment
  CAS-BOT-BC135665  Amelanchier utahensis Greg de Nevers 1987-4-25 8156 Sonoma Pepperwood Ranch Natural Preserve, 3500 Rranze Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC154122  Ammannia coccinea Peter Rubtzoff 1958-9-27 4005 Sonoma Laguna de Santa Rosa, northwest of Graton (0.5 mi. N of Guerneville Road.) Comment
  RSA264758  Ammi majus Peter Rubtzoff 1975-8-16 8330 Sonoma Bennet Valley Road 1.8 miles east of Yalupa Ave. junction (ca. 4 miles east of Brigham Ave. crossing). Comment
  SEINET211918  Ammophila arenaria subsp. arenaria J. Taylor, C Taylor 1971-5-29 8065 Sonoma South side of the Russian River adjacent to the Pacific Ocean Comment
  CAS-BOT-BC180632  Amorpha californica var. californica M. K. Curran 1886-6-6 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC222271  Amsinckia A. A. Heller 1934-4-28 s.n. Sonoma At Dillon Beach Comment
  UC1178202  Amsinckia intermedia Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1123 Sonoma 0.5 mi s of Napa-Sonoma county line on road to Calistoga Comment
  CAS-BOT-BC26809  Amsinckia nigricans Amos Arthur Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  UC1073292  Amsinckia spectabilis George B. Rossbach 1955-3-19 454 Sonoma northern and highest hill on Bodega Head 76 Comment
  UC581123  Ancistrocarphus filagineus H. L. Mason 1934-4-28 8093 Sonoma Jenson's Ranch; Dohrmann Creek Comment
  UC1011024  Andropogon glomeratus var. pumilus Milo S. Baker Apr 1936 251 Sonoma Sonoma Co. Geysers Comment
  CAS-BOT-BC137787  Andropogon virginicus var. virginicus John Thomas Howell; J. W. Stacy 1936-7-26 12671 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC137791  Andropogon virginicus var. virginicus Walter Knight; Irja Knight; Stephen W. Edwards 1986-8-17 5505 Sonoma Sweetwater Springs Road. Comment
  UC1011023  Andropogon virginicus var. virginicus Virginia Bufford 1936-8-19 412 Sonoma Pitkin's Marsh; Pitkin's Marsh - Vine Hill District Comment
  UCR255042  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR198232  Angelica californica Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .275 Sonoma Cavesdale Road 518 Comment
  CAS-BOT-BC221435  Angelica hendersonii David D. Keck; J. Clausen 1935-6-15 3373 Sonoma 1 mile north of Salmon Creek Comment
  JEPS16078  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  UC1299243  Angelica tomentosa Freed W. Hoffman September 1947 1388 Sonoma near Guerneville (North Coast Ranges, Quicksilver Mines); North Coast Ranges, Quicksilver Mines Comment
  CAS-BOT-BC271434  Anisocarpus madioides Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 mile seast of Stewarts Point Comment
  CAS-BOT-BC271436  Anisocarpus madioides Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  JEPS40427  Anisocarpus madioides Edw. L. Greene 1894-6-14 Sonoma Knights Valley Comment
  JEPS78467  Anisocarpus madioides Edward Lee 1936-6-7 2204 Sonoma McLaren Trail Bohemian Grove Comment
  UC971675  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma n of Windsor (along Highway 101); Highway 101 Comment
  UCD56154  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  CAS-BOT-BC280662  Anthoxanthum occidentale Roxana S. Ferris; Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  CAS-BOT-BC280667  Anthoxanthum occidentale David L. Morgan 1958-2-13 s.n. Sonoma 4 mi. W. of Monte Rio on Russian River Rd. Comment
  UCD160312  Anthriscus caucalis James A. Neilson Jr. 1975-5-23 3212 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  RSA47825  Anthriscus caucalis L. Beane, L. James 1949-5-11 1985 Sonoma 3 miles east of Hopland Comment
  UCD126273  Anthriscus caucalis Frederica Bowcutt 1996-5-19 2137 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. About 1 air mile S of Red Mtn in Adobe Canyon near office and corral. 396 Comment
  UC1239001  Antirrhinum vexillocalyculatum subsp. breweri Freed W. Hoffman 1948-6-16 2699 Sonoma Red Slide North Coast Ranges, East Austin Creek (upper East Austin Creek) Comment
  CHSC42269  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma Healdsburg. On E side of Fitch Mt., just S of resort area on E. side. 45 Comment
  UC1012383  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Francis W. Pennell Jul 2 1940-Jul 3 1940 26038 Sonoma ne of Kenwood Springs 304 Comment
  CAS-BOT-BC248903  Antirrhinum virga A. A. Heller 1902-6-26 5775 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC457592  Aphanes occidentalis John H. Thomas 1966-3-22 11537 Sonoma Near the intersection of Occidental Road and Facedini Lane between Occidental and Graton, 1 mile east of Occidental. Serpentine. 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
  UC353924  Apiastrum angustifolium Milo S. Baker 1928-3-24 2725 b Sonoma 5 mi w of Healdsburg (Jensen Ranch); Jensen Ranch Comment
  SEINET7924427  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa. Comment
  CAS-BOT-BC394995  Aquilegia formosa Volney Rattan 1877-1-1 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC17342  Arabis blepharophylla A. A. Heller; H. E. Brown 1902-3-29 5178 Sonoma Bodega Head. Comment
  CAS-BOT-BC17343  Arabis blepharophylla John Thomas Howell 1930-6-8 5253 Sonoma 1 mile east of Bodega Bay. Comment
  RSA0125832  Arabis glabra J. T. Howell 1930-6-8 5291 Sonoma 8.5 miles N of Bodega Bay Comment
  CHSC69209  Arctostaphylos James D. Jokerst 1989-4-14 3097 Sonoma Healdsburg Area A Specific Plan Study, in project area. Comment
  JEPS98902  Arctostaphylos James Roof and Walter Knight 1967-3-20 Sonoma N side of Guerneville Road, 1/2 mi W of Vine Hill Road Comment
  RSA629211  Arctostaphylos Jon E. Keeley 1993-9-11 24779 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC535017  Arctostaphylos H. F. Copeland 1933-3-18 A 14 Sonoma on College Ave. Hwy w Santa Rosa; Vine Hill region Comment
  CAS-BOT-BC24088  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10953 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC24090  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10957 Sonoma 2 miles east of Occidental Comment
  CHSC67490  Arctostaphylos bakeri James D. Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. 121 Comment
  UC1093999  Arctostaphylos bakeri Lewis S. Rose 1951-3-21 55031 Sonoma 2 mi ne Occidental (type locality) 213 Comment
  UC1120873  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1556 Sonoma 2 mi nne Occidental; Sebastopol Quadrangle Comment
  UC1120874  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1553 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  CDA38593  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. Comment
  CDA38594  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. Comment
  POM222620  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 miles E of Occidental. Comment
  CDA31371  Arctostaphylos canescens D. G. Kelch, Ed Biffin 2010-5-3 10 .202 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  RSA622722  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24769 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC23971  Arctostaphylos canescens subsp. canescens A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western base of Mt. Hood Comment
  CAS-BOT-BC23884  Arctostaphylos canescens subsp. sonomensis R. F. Hoover 1963-1-12 8549 Sonoma Rincon Ridge Comment
  SEINET11984865  Arctostaphylos canescens var. sonomensis R. Gankin, Hildreth, W. R.; Milam, K. 1965-1 517 Sonoma 0.2 mi on Rockridge Lane on Montecito Rd, on Sones Property, Rincon Ridge, Santa Rosa Comment
  OBI14762  Arctostaphylos columbiana H. E. McMinn 1938-6-20 5127 Sonoma Stewarts Point to Gualala Comment
  UC549698  Arctostaphylos columbiana J. E. Adams 1935-3-28 730 Sonoma seven mi n Fort Ross Comment
  CAS-BOT-BC24997  Arctostaphylos densiflora J. Clausen 1933-3-26 744 Sonoma Vine Hill Schoolhouse, 10 mi. W of Santa Rosa, along road. Comment
  CAS-BOT-BC25017  Arctostaphylos densiflora Elmer I. Applegate 1932-3-19 7028 Sonoma Roadside just W of Vine Hill Schoolhouse, about 10 mi Westerly from Santa Rosa. Type Station. Comment
  LA42171  Arctostaphylos densiflora E. B. Copeland; 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  UCD50797  Arctostaphylos densiflora Roman Gankin 1966-3-3 693 Sonoma Vine Hill School Road, ca. 10 miles west of Santa Rosa. Comment
  CAS-BOT-BC361404  Arctostaphylos glandulosa Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC23289  Arctostaphylos glandulosa subsp. cushingiana Lewis S. Rose 1955-3-21 55035 Sonoma Rincon Ridge 2 mi. NE of Santa Rosa 152 Comment
  RSA631186  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24721 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631195  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24734 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24720  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma About 4 mi. e. of Warfield along the road to Oakville. 213 Comment
  CAS-BOT-BC24723  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1933-4-2 10947 Sonoma 8 mi. w. of Santa Rosa. Comment
  SEINET11998616  Arctostaphylos hispidula W. Knight, Knight, I.; Wells, P. V. 1985-1 6325 Sonoma Rockpile Rd above Lake Sonoma Comment
  CAS-BOT-BC24404  Arctostaphylos manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4762 Sonoma The Cedars, Twitchell Ranch. 243 Comment
  CAS-BOT-BC38987  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Near Cazadero, The Cedars, population samples from north end of 10 acre study area. 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
  RSA633060  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24711 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  UCD51969  Arctostaphylos manzanita Roman Gankin 1957-11-1 248 Sonoma Vine Hill School Road; 0.1 mile east of junction with Vine Hill Road; ca. 10 miles west of Santa Rosa. Comment
  UCD52232  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1067 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  CAS-BOT-BC24402  Arctostaphylos manzanita Susan M. Smith 2004-2-9 s.n. Sonoma Abundant on 80 acre native plant preserve in Sonoma Volcanics within 5 mi. of type locality. St. Helena Rd. 3.5 mi. from 487 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
  SEINET11990964  Arctostaphylos manzanita Unknown 1983-1 30499 H Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990965  Arctostaphylos manzanita Unknown 1983-1 30475 Sonoma Morrison Ridge above Gilliam Creek, East Austin Creek State Recreation Area 274 Comment
  SEINET11990967  Arctostaphylos manzanita Unknown 1983-1 30499 J Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990971  Arctostaphylos manzanita Unknown 1983-1 30491 C Sonoma near Manning's Flat Campground, Austin Creek State Rec. Area 122 Comment
  SEINET11991026  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero 274 Comment
  UCD51915  Arctostaphylos manzanita C. M. Belshaw 1936-3-7 1561 Sonoma 1/2 mile NW of Trenton. 60 Comment
  CAS-BOT-BC38902  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7939 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38903  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7949 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38904  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11301 Sonoma Mt. St. Helena 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-BC38740  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-2-16 808 Sonoma Mill Creek Rd. west of Healdsburg. Comment
  CAS-BOT-BC38746  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1932-3-12 5762 Sonoma Hillsides between Franz Valley and Knights Valley 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
  CHSC83180  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. South of Sonoma Creek along Hillside Trail. 396 Comment
  RSA394834B  Arctostaphylos manzanita subsp. manzanita D. Koutnik, Mary Barbercheck 1981-6-18 394834 Sonoma Austin Creek State Recreation Area about four miles north of Guerneville. 488 Comment
  UC902047  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1949-3-13 18271 Sonoma along creek w Knights Valley; Mayacamas Creek 152 Comment
  UCD52046  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  UC549423  Arctostaphylos nummularia J. E. Adams 1934-6-9 832 Sonoma near McNamees Store Comment
  CAS-BOT-BC43877  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1987-2-5 6081 Sonoma Devil's Kitchen in vicinity of Pepperwood 243 Comment
  CAS-BOT-BC43881  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55008 Sonoma 2 mi. w. of Graton 121 Comment
  CAS-BOT-BC47331  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-9-1 259 Sonoma Pine Mt. Rd. NE of Cloverdale. Harold Smith Ranch. Comment
  HSC7717  Arctostaphylos stanfordiana S. N. Wiemeyer 1962-1-28 4 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  JEPS98844  Arctostaphylos stanfordiana unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  RSA636822  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24739 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1084352  Arctostaphylos stanfordiana G. Thomas Robbins 1937-3-25 8 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  UC480592  Arctostaphylos stanfordiana Carl Meyer 1928-3-3 302 Sonoma Santa Rosa Comment
  UC549545  Arctostaphylos stanfordiana J. E. Adams 1934-3-10 639 Sonoma Mt. St. Helena Comment
  UCR279734  Arctostaphylos stanfordiana Ann Howald 2016-1-23 3555 Sonoma North Coast Ranges, Annapolis Ridge, west side Annapolis Rd c. 0.6 mile south of intersection with Soda Springs Rd, just north of transfer station 207 Comment
  UC725948  Arctostaphylos stanfordiana A. A. Heller 1942-3-15 16394 Sonoma just ne Santa Rosa; Rincon Ridge Comment
  SEINET11984944  Arctostaphylos stanfordiana subsp. bakeri Unknown 1966-1 695 Sonoma E of Occidental Ridge on Graton Rd, ca 2.5 mi E of Occidental Comment
  JEPS95228  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  RSA107836  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1955-3-21 53034 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. 152 Comment
  RSA17680  Arctostaphylos stanfordiana subsp. stanfordiana Elmer I. Applegate 1924-3-25 8858 Sonoma Pine Flat region, west slope of Mayacama Mountains. Comment
  RSA178044  Arctostaphylos stanfordiana subsp. stanfordiana R. F. Thorne 1965-4-20 34375 Sonoma 4 mi. up Cavedale Rd., ca. 6 mi. N of Sonoma. 457 Comment
  UC549530  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 746 Sonoma 1 mi s McNamees Store Comment
  UCD52206  Arctostaphylos viscida Freed W. Hoffman 1947-2-28 762 Sonoma Near Guerneville, Sonoma County. Comment
  CAS-BOT-BC47465  Arctostaphylos viscida subsp. viscida John Thomas Howell 1933-4-2 10939 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC137563  Aristida oligantha Greg de Nevers 1987-7-10 8234 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa. 400 Comment
  SEINET7253522 Image available Armeria maritima subsp. californica W. L. Jepson 1931-1 15944 Sonoma Salmon Creek Comment
  SD147975  Armeria maritima subsp. californica L. Coats 1983-5-17 25 Sonoma Along Highway 1, 4.3 miles north of Salt Point State Park. 21 Comment
  CAS-BOT-BC90495  Artemisia douglasiana Walter Knight; Irja Knight 1963-10-3 313 Sonoma Bennett Valley Comment
  SEINET258281  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10233 Sonoma 1 mile north of Jenner along Pacific Coast highway 6 Comment
  SEINET258297  Artemisia suksdorfii Leila M. Shultz 1986-9-20 10234 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  CAS-BOT-BC400604  Asarum caudatum Peter Rubtzoff 1951-6-17 284 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC400606  Asarum caudatum Peter Rubtzoff 1951-11-24 839 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UC762327  Asarum caudatum Robert F. Hoover 1941-5-14 5100 Sonoma Hills north of Bodega Comment
  RSA12258  Asarum caudatum C. B. Wolf 1934-6-29 s.n. Sonoma 6/10 of a mile inland from Stewart s Point. 61 Comment
  CAS-BOT-BC222857  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
  UC1195651  Asclepias solanoana A. R. Kruckeberg 1949-6-4 1762 Sonoma ca 4 mi above Pine Flat (sw of Cobb Mtn.) 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
  UC42606  Aspidotis densa unknown 1893-3-12 Sonoma Sonoma Comment
  RSA44343  Aster chilensis M. S. Baker 1948-09 12042 Sonoma About 1 mile north of Sears Point Comment
  SEINET10947217 Image available Astragalus breweri William H. Brewer 1862-4-17 Brewer 979 Sonoma Near Sonoma in a field Comment
  CAS-BOT-BC178663  Astragalus claranus John Thomas Howell 1931-4-19 6431 Sonoma Grassy meadow, 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa Comment
  RSA415795  Astragalus claranus J. T. Howell 1931-4-19 6431 Sonoma 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa. Comment
Read comments
Nov 17 2007
  CAS-BOT-BC193345  Astragalus tener var. tener J. W. Congdon 1880-3-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC66152  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1962-7-14 4996 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC66153  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66154  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  UCD143729  Atriplex leucophylla Mary M. Hektner 1976-12-14 276 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR248351  Atriplex prostrata Peter Rubtzoff 1958-9-6 3974 Sonoma Laguna de Santa Rosa, north of Cunningham [Marsh] (near Todd Road) 24 Comment
  UCR248507  Atriplex prostrata Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol 20 Comment
  CAS-BOT-BC146137  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  SEINET237205  Avena barbata B. Crampton 1955-3-15 2326 Sonoma Old grape vineyards of the Italian Swiss Colony Winery Asti Comment
  UCD56194  Avena barbata Mary M. Hektner 1975-8-10 218 Sonoma Near State Highway 1. Sea Ranch. Near Sea Ranch Association Office. Comment
  SD254556  Azolla filiculoides Ann Howald, Christina Freeman 2015-1-1 3411 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail (Kenwood 7.5'Q) 362 Comment
  CAS-BOT-BC98601  Baccharis douglasii Catherine Best 1983-10-12 904 Sonoma Growing along the creek near Occidental Road at the north edge of Occidental Comment
  CAS-BOT-BC99587  Baccharis pilularis John H. Thomas 1976-6-17 18354 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Coastal bluffs Comment
  UC527412  Baccharis pilularis Carl B. Wolf and E. R. Johnson 1934-10-13 Sonoma 2 4/10 mi n of mouth of Russian River 60 Comment
  CHSC110163  Baccharis pilularis subsp. pilularis Scott Sundberg; Linda Hardison 1986-9-15 3259 Sonoma 1 mi N of Bodega Bay, common along sea cliff near Hwy. 101. Comment
  POM56589  Baccharis salicifolia Michener, Bioletti 1893-06 s.n. Sonoma Glen Ellen Comment
  UCD163789  Barbarea Peter Rubtzoff 1989-3-13 9981 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCD151177  Barbarea orthoceras James A. Neilson Jr. 1974-4-24 2948 Sonoma Mayacmas Mountains. Socrates Mine Road, 1/2 mile east of headquarters, ca 3 1/2 miles southeast of The Geysers. (Elevation estimated using Google Earth by label maker.) 853 Comment
  UCR254839  Barbarea orthoceras Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road 168 Comment
  CDA13125  Beckmannia syzigachne G. F. Hrusa, R. Gross 1996-6-3 13060 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
  UCD56776  Beckmannia syzigachne G. F. Hrusa; R. Gross 1996-6-30 13060 Sonoma 2 mi. SW of Calistoga. Diamond Mountain Road. 700 Comment
  UCR248773  Beckmannia syzigachne Peter Rubtzoff 1970-6-14 6263 Sonoma Marsh on River Road, c. 3 miles west of Fulton 27 Comment
  SEINET10967575  Beckmannia syzigachne H. P. Bracelin 1930-7-27 Bracelin 20 Sonoma On Redwood slope. One mile north of Fort Ross. Comment
  CDA17198  Berberis nervosa G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16197 Sonoma North Coast Biodiversity Arena; Slopes above Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  CAS-BOT-BC102052  Bidens cernua Peter Rubtzoff 1951-9-15 760 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  CAS-BOT-BC290722  Bidens frondosa Peter Rubtzoff 1961-8-24 4712 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  UC727762  Bidens frondosa Milo S. Baker 1946-8-17 11560 Sonoma at the crossing of the Occidental Road (The Laguna); The Laguna Comment
  RSA0015636  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh. Comment
  UC725276 Image available Blennosperma bakeri Milo S. Baker 1946-4-2 11307 Sonoma ca 0.25 mi s Napa Street (in field on e side of street, Hog Wallow w outskirts of Sonoma); Sonoma, Hog Wallow; near Sonoma, Sonoma Co. Comment
  CAS-BOT-BC27855  Blennosperma bakeri Milo Samuel Baker 1946-4-2 11307 Sonoma Hog Wallow, in field on E side of street, 0.25 mile S of Napa Street, western outskirts of Sonoma Comment
  RSA0000973  Blennosperma bakeri Milo S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma in 'hog wallow' about 0.25 mi south of Napa Street in field on east side of street. Comment
  HSC5205  Blennosperma nanum var. nanum M. S. Baker 1898-1 724 Sonoma NE Santa Rosa Comment
  CAS-BOT-BC154951  Boisduvalia densiflora Peter Rubtzoff 1969-8-26 6154 Sonoma On River Road, ca. 3 mi. W of Fulton Comment
  SEINET12188875  Boisduvalia densiflora L. S. Rose 1938-1 38252 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC290567  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1970-8-18 6306 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC418502  Boykinia occidentalis W. W. Carruth 1899-7-1 s.n. Sonoma Geyers Comment
  POM142185  Boykinia occidentalis Michener, Bioletti 1893-06 13 Sonoma Adobe Canyon Comment
  CAS-BOT-BC36618  Brassica nigra Mary P. Wells 1984-5-7 260 Sonoma Santa Rosa. Rincon Valley. Friends House. Comment
  POM94767  Brassica rapa Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC376301  Brassicaceae Greg de Nevers 1989-2-1 9035 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  CAS-BOT-BC157983  Brassicaceae Peter Rubtzoff 1972-4-23 6737 Sonoma Vernal pool, 4.25 miles W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC145476  Briza maxima G. DeNevers 1981-5-23 1316 Sonoma Pepperwood Ranch. Garrison Canyon L. Comment
  CAS-BOT-BC145482  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  OBI35095  Briza maxima David J. Keil 1983-6-30 17213 Sonoma Stillwater Cove Regional Park Comment
  RSA143953  Briza maxima Roxana S. Ferris, Laura Lorraine 1961-6-14 13530 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  RSA47576  Briza maxima L. Beane, Lois E. James 1949-5-16 1949 Sonoma About 3 mi. S. of Cloverdale Comment
  RSA604102  Briza maxima C. Wistrom 1996-5-26 35 Sonoma Healdsburg, 6101 Dry Creek Road 49 Comment
  UCR143595  Briza maxima G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  UCSC000040  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 2 miles SE o fForestville - Sebastopol 30 Comment
  SEINET11687425  Briza maxima F. H. Utech 1986-1 86 -109 Sonoma ca 3.5 mi NE on Cavedale Road from junction with CA 12 350 Comment
  CAS-BOT-BC145303  Briza minor Alice Eastwood 1921-5-8 10442 Sonoma Petaluma. Comment
  UC1023569  Briza minor Virginia Bufford 1936-5-1 147 Sonoma w Sebastopol (top of hill); O'Farrell Hill Comment
  UC1026486  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Lower Marsh Pitkin Marsh (northern half, near Forestville) Comment
  UC76949  Briza minor Michener and Bioletti June, 1893 Sonoma Kenwood Comment
  JEPS7662  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-21 7622 Sonoma Windsor 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
  UC1442870  Brodiaea leptandra Theodore F. Niehaus 1966-5-4 679 Sonoma 2.6 mi w Napa/Sonoma Co. line (on Springs Mtn Rd) Comment
  UC463107  Brodiaea leptandra Milo S. Baker June 1925 2346 Sonoma canyon above Kenwood Springs Comment
  UCD77158  Brodiaea stellaris Robert E. Preston 2005-6-11 2351 Sonoma Ca. 4 mi W of Occidental, along Coleman Valley Rd 314 Comment
  UC1051667  Brodiaea terrestris subsp. terrestris Peter Kamb 1950-6-17 1880 Sonoma 2.9 mi w fork in road to Bodega and Valley Ford (Larkspur Rock, s side of Cheney Gulch); Cheney Gulch Comment
  CAS-BOT-BC486457  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1971-6-5 6507 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. 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-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
  SEINET3921827  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128.; 0 Comment
  UCD58259  Bromus carinatus Collector unknown 1941-6-1 Sonoma Garden in Santa Rosa. Comment
  UC1130977  Bromus carinatus var. carinatus H. S. Yates 1934-4-22 3838 Sonoma 3 mi e of Mark West 213 Comment
  CAS-BOT-BC148785  Bromus carinatus var. marginatus A. A. Heller 1902-4-9 5247 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  UCD60211  Bromus catharticus var. elatus Beecher Crampton 1957-7-11 4326 Sonoma Sonoma Coast State Park, along state Hwy. 1, 0.9 miles north of Salmon Creek. Comment
  CAS-BOT-BC155894  Bromus catharticus var. elatus John Thomas Howell 1955-4-14 30148 Sonoma Ranch yard, about 2 miles southeast of Sonoma. 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
  RSA0023113  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh. Comment
  UCD36635  Bromus commutatus Beecher Crampton 1955-6-8 2829 Sonoma Sonoma County, 6 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC155663  Bromus diandrus Mary P. Wells 1981-8-2 s.n. Sonoma On path to garden of Timber Ridge Road. The Sea Ranch. Comment
  UC903718  Bromus diandrus Milo S. Baker 1947-5-5 11730 Sonoma Hood Mountain, near nw corner of M.S. Baker property, (East Grant line) Hood Mountain Comment
  SEINET10517953  Bromus diandrus A. Arthur Heller 1902-4-17 Heller 5322 Sonoma Santa Rosa. Comment
  SEINET4391007  Bromus diandrus Unknown 1999-4-19 s.n. Sonoma Bodega Bay Highway Comment
  CAS-BOT-BC155205  Bromus hordeaceus Peter Rubtzoff 1960-5-15 4318 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC155214  Bromus hordeaceus G. DeNevers 1981-5-12 1132 Sonoma Pepperwood Ranch. North arm of Garrison Canyon. Comment
  CAS-BOT-BC155216  Bromus hordeaceus Mary P. Wells 1984-5-7 262 Sonoma Rincon Valley, Santa Rosa. Friend's House grounds before final grading. Comment
  UCD58796  Bromus hordeaceus L. Whitney 1935-3-16 s.n. Sonoma Sutherland Orchard--near Occidental. Comment
  CAS-BOT-BC162390  Bromus laevipes Peter Rubtzoff 1952-6-3 1146 Sonoma South slopes of Fitch Mountain, near Healdsburg. 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
  UCD144422  Bromus laevipes Frederica Bowcutt 1996-5-19 2150 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. Lower Bald Mountain trail. 472 Comment
  JEPS128348  Bromus madritensis subsp. rubens Roger Raiche 2000-4-8 029 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD58959  Bromus rubens subsp. rubens Gerry North 1993-4 18 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  UCD59661  Bromus secalinus Freed W. Hoffman 1941-6-28 2068 Sonoma North Coast Ranges. Sonoma Mountain road. Comment
  HSC95464  Calamagrostis bolanderi Colette Beaupre 2000-7-6 Sonoma Near Sea Ranch, CA on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M 183 Comment
  RSA654820  Calamagrostis bolanderi Colette Beaupre 2000-7-6 s.n. Sonoma Near Sea Ranch, CA on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M 183 Comment
  CAS-BOT-BC185402  Calamagrostis bolanderi Mary P. Wells 1985-10-4 677 Sonoma Along road in forest south of Gualala River. Comment
  CAS-BOT-BC368031  Calamagrostis bolanderi Greg de Nevers 1998-6-15 11287 Sonoma CYO Camp on Bohemian Highway. Comment
  RSA94095  Calamagrostis bolanderi J. T. Howell 1947-6-5 23235 Sonoma Cunningham Marsh Comment
  UC768850  Calamagrostis koelerioides R. F. Hoover 1941-5-14 5090 Sonoma 2 mi s Monte Rio (toward Camp Meeker) Comment
  CAS-BOT-BC185128  Calamagrostis nutkaensis John Thomas Howell 1945-5-30 20901 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC185129  Calamagrostis nutkaensis Peter Rubtzoff 1963-8-17 5228 Sonoma Russian River Mouth Marsh. Comment
  JEPS97537  Calamagrostis nutkaensis R. D. Stone 1980-11-29 326 Sonoma Northern part of the Sea Ranch development; N of Stewart's Point Comment
  UC1146619  Calamagrostis nutkaensis Freed W. Hoffman 1941-7-27 2219 Sonoma Bodega Bay North Coast Ranges (coastal strand) Comment
  UCD57505  Calamagrostis nutkaensis P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar Ranch. Comment
  UCD57517  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 4012 Sonoma 10 miles north of Fort Ross. Comment
  UCR19364  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma North Coast, Jenner, slopes above sea bluffs 61 Comment
  CAS-BOT-BC185131  Calamagrostis nutkaensis Mary P. Wells 1982-8-21 128 Sonoma South Gerstle Cove, Salt Point State Park. Comment
  CAS-BOT-BC438612  Calandrinia ciliata Clare R. Wheeler 1978-3-30 138 Sonoma Pine Mt. Road - 4 miles (6.4 km.) NE of Cloverdale 548 Comment
  UC1393146  Calendula arvensis John L. Strother 1969-3-29 691 Sonoma ca. 4 mi sse of Sonoma Comment
  CAS-BOT-BC273237  Calendula arvensis Peter H. Raven 1963-4-28 18257 Sonoma Just west of El Verano Comment
  CAS-BOT-BC273247  Calendula arvensis John Thomas Howell 1959-5-7 34593 Sonoma Fetters Springs Comment
  RSA176434  Calendula arvensis Peter H. Raven 1963-4-28 18257 Sonoma Just west of El Verano. Comment
  UC17873  Callitriche heterophylla var. bolanderi F. T. Bioletti Apr 1893 Sonoma Kenwood Comment
  UCD150858  Callitriche heterophylla var. bolanderi 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
  NY370182  Callitriche heterophylla var. bolanderi F. T. Bioletti 05 1893 s.n. Sonoma Comment
  CAS-BOT-BC293678  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh. Comment
  UC17852  Callitriche trochlearis J. Burtt Davy 1896-3-14 1665 Sonoma Cazadero Comment
  RSA0037209  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh. Comment
  RSA0035350  Callitriche verna Peter Rubtzoff 1974-4-6 7348 Sonoma Kenwood Marsh. Comment
  JEPS61626  Calochortus amabilis F. Hein 1931-4-14 Sonoma Skaggs Spring Comment
  CAS-BOT-BC483290  Calochortus amabilis W. W. Carruth 1901-6-1 s.n. Sonoma Near Seaview Comment
  RSA13439  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 605 Sonoma Alexander Valley. Comment
  CAS-BOT-BC492637  Calochortus luteus James L. Reveal 1988-6-1 6971 Sonoma Along Geysers Road, 4.4 miles east-southeast of U.S. Highway 101 above Big Sulphur Creek, about 4 air miles northeast of Cloverdale, in sandy soil on a grassy flat associated with Quercus and Lupinus 243 Comment
  JEPS83743  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma n Cazadero (sw-facing serpentine slope); The Cedars, Red Slide Creek (central branch) Comment
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Aug 2 2012
  RSA0000330  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  UC672151  Calochortus tolmiei Herbert L. Mason 1928-4-8 4283 Sonoma Fort Ross Comment
  UCR143606  Calochortus tolmiei G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC494024  Calochortus tolmiei Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC494036  Calochortus tolmiei Mary P. Wells 1972-4-22 s.n. Sonoma On mound on Lot 10, unit15 near the cliff, The sea Ranch Comment
  CAS-BOT-BC132634  Calochortus uniflorus Peter Rubtzoff 1963-5-26 5151 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC132636  Calochortus uniflorus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  POM161089  Calochortus uniflorus Rimo C. Bacigalupi 1249 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
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Mar 30 2015
  CAS-BOT-BC181538  Caltha palustris Peter Rubtzoff 1955-5-21 1871 Sonoma Forestville Marsh Comment
  CAS-BOT-BC181539  Caltha palustris Peter Rubtzoff 1955-4-9 1768 Sonoma Forestville Marsh Comment
  CDA12180  Calycadenia multiglandulosa G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 11420 Sonoma North Coast Biodiversity Arena; 3 miles W of Occidental along Coleman Valley Rd. Comment
  CAS-BOT-BC270711  Calycadenia multiglandulosa A. D. E. Elmer 1903-6-1 4295 Sonoma Black Mountain Comment
  CAS-BOT-BC270847  Calycadenia pauciflora David D. Keck 1944-7-11 5511 Sonoma The Geysers, Mayacamas Range Comment
  CDA11977  Calycadenia truncata G. F. Hrusa, T. D. Wilfred 1995-12-3 12482 Sonoma North Coast Biodiversity Arena; Immed. below W base of Chalk Mtn. Foote Ranch, NW base of Mt. St. Helena. Comment
  UC30762  Calycadenia truncata F. T. Bioletti 1891-9-7 Sonoma Comment
  CAS-BOT-BC272758  Calycadenia truncata subsp. truncata F. G. Krauss 1893-10-4 s.n. Sonoma 5 miles west of Calistoga Comment
  CAS-BOT-BC272759  Calycadenia truncata subsp. truncata Milo S. Baker 1932-10-9 6044 Sonoma Above Kenwood Sprg. South side of canyon Comment
  CAS-BOT-BC91009  Calycanthus occidentalis James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers. Comment
  RSA456158  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  UC400137  Calycanthus occidentalis Ynes Mexia 1929-6-2 2397 Sonoma near Santa Rosa Comment
  SEINET215198  Calystegia Jay P. Smith 1968-4-28 7 Sonoma Bodega Bay south of Bodega Head Comment
  JEPS86304  Calystegia collina subsp. collina Jack and Betty Guggolz 1988-5-8 942 Sonoma Pine Flat Road, 9.2 mi in from Highway 128 633 Comment
  JEPS88967  Calystegia collina subsp. collina Jack and Betty Guggolz 1988-6-13 945 Sonoma Pine Flat Road 9.2 mi from its junction with Highway 128; Comment
  UC353894  Calystegia collina subsp. collina Milo S. Baker 1927-5-7 2146 Sonoma Fitzsimmon's Grade , Fitzsimmon's Grade (Adobe Canyon) Comment
  JEPS86303  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1988-4-5 909 Sonoma North side of Ida Clayton Road 1.15 miles from its junction with Highway 128 Comment
  JEPS87231  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1989-4-23 999 Sonoma Just east of Deer Creek crossing of Pine Flat Road Comment
  SEINET196190  Calystegia collina subsp. oxyphylla Roxana S. Ferris, Laura Lorraine 1948-6-9 11660 Sonoma Summit of grade between Mark West Valley and Franz Valley. Comment
  CAS-BOT-BC215788  Calystegia macrostegia subsp. intermedia Greg de Nevers 1993-5-30 10458 Sonoma 3450 Franz Valley Road, Pepperwood Ranch Natural Preserve 457 Comment
  RSA289509  Calystegia purpurata Edward Lee 1936-6-7 2202 Sonoma South Ridge, Bohemian Grove. Comment
  JEPS111396  Calystegia purpurata subsp. purpurata Jack and Betty Guggolz 1997-6-23 1533 Sonoma North side of Kelly Road from one mile to two miles west of the Rockpile Road crossing 550 Comment
  CAS-BOT-BC224743  Calystegia purpurata subsp. saxicola Mary P. Wells 1981-7-2 s.n. Sonoma On road between Black Point and the Sea Ranch Lodge Comment
  UC879463  Calystegia subacaulis subsp. subacaulis Lewis S. Rose 1941-5-22 41251 Sonoma Rincon Ridge, 4 mi E of Santa Rosa. Comment
  RSA186553  Camissonia ovata Peter H. Raven 1963-4-28 18250 Sonoma Town of Bodega Bay Comment
  HSC16502  Camissonia ovata R. F. Good 1962-4-20 1 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  UCD81450  Camissonia ovata M. Wiesendanger 1927-5-5 707 Sonoma Sonoma. Comment
  POM31995  Camissonia strigulosa A. A. Heller, H. E. Brown 1902-5-27 5613 Sonoma Bodega Bay. Comment
  JEPS6118  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma w slope Hood Mt. (at top of Rose Butte); Rose Butte 243 Comment
  CHSC43095  Campanula californica Stacy Cepello; L. P. Janeway, Jean Witzman 1987-6-28 Sonoma 2.5 mi south of town of Gualala. 150 yds upstream of hwy 1 crossing. Comment
  SEINET10463934  Campanula californica Rimo Bacigalupi 1967-8-30 Bacigalupi 9312 Sonoma Pitkin Marsh, near eastern end of Templeman Road, southeast of Forestville 46 Comment
  SEINET10463935  Campanula californica Robbins 1938-6-23 ROBBINS 269 Sonoma In march on Pitkin Ranch, Vine Hill region, about 10 miles west of Santa Rosa. Wet, boggy soil. Comment
  JEPS128326  Campanula griffinii Roger Raiche 2000-6-4 130 .00 Sonoma The Cedars, Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  RSA790010  Capsella bursa-pastoris Peter Rubtzoff 1958-8-9 3841 Sonoma Laguna de Santa Rosa, north of Sebastopol (near 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
  HSC6631  Capsella bursa-pastoris F. Demostene 1966-4-1 1 Sonoma 2 mi. E of Healdsburg 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
  UC10434  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  CAS-BOT-BC37778  Cardamine californica Elsa G. Ruckert 1960-3-12 15 Sonoma 0.5 mile from Highway 12 on Triniti Road, at roadside. Comment
  HSC34934  Cardamine californica Thomas W. Nelson, James Nelson 1975-3-25 1757 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  UCD114179  Cardamine californica Frederica Bowcutt; Kate Mawdsley 1996-3-24 2089 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 Knewood, and 18 air miles NW of Napa. About 1.5 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  RSA257003  Cardamine californica var. integrifolia Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1007 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  UC1299649  Cardamine californica var. sinuata Freed W. Hoffman 1947-3-6 813 Sonoma Gilliam Creek North Coast Ranges, Gilliam Creek Comment
  CDA16135  Cardamine hirsuta G. F. Hrusa 1999-2-26 14925 Sonoma North Coast Ranges; Foote Ranch, NW base of Mt. St. Helena, near corner of Hwy 128 and Ida Clayton Rd. 152 Comment
  JEPS128267  Cardamine oligosperma Roger Raiche 2000-4-8 027 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD151170  Cardamine oligosperma James A. Neilson Jr. 1974-3-27 3014 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UC963900  Cardamine oligosperma Milo S. Baker Apr 1946 11309 Sonoma Brookside Garden near Kenwood; Brookside Garden near Kenwood Comment
  JEPS128333  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-2-28 010 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC384861  Cardionema ramosissimum Alice Eastwood 1915-6-29 4816 Sonoma Bodega Point Comment
  CAS-BOT-BC281768  Carduus pycnocephalus Peter Rubtzoff 1951-7-21 480 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  CAS-BOT-BC281769  Carduus pycnocephalus F. H. Utech; Walter & Irja Knight 1986-5-15 86 -160 Sonoma The Geysers, ca 14.0 miles ESE of Preston and US Highway 101 on Geysers Rd 120 Comment
  UCD129926  Carduus tenuiflorus Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1771 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. In Adobe Canyon along Goodspeed Trailhead along Adobe Canyon Road S of Sonoma Creek. 198 Comment
  UCR255693  Carex abrupta Peter Rubtzoff 1957-5-4 3296 Sonoma Duncan Mills Marsh 2 Comment
  UCR255716  Carex abrupta Peter Rubtzoff 1960-5-20 4394 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC18139  Carex athrostachya Peter Rubtzoff 1957-5-26 3361 Sonoma Occidental Marsh. Comment
  UCR208521  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC19368  Carex barbarae Helen D. Geis 1902-8-1 566 Sonoma Skaggs. Comment
  UCD140160  Carex barbarae Beecher Crampton 1964-5-12 6951 Sonoma 6 miles northwest of Calistoga, State Highway 128. Comment
  RSA52096  Carex buxbaumii J. T. Howell 1945-7-18 21327 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC350940  Carex cusickii Peter Rubtzoff 1962-5-25 4841 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC20511  Carex densa Peter Rubtzoff 1957-5-11 3338 Sonoma Sonoma County Marshes. Occidental Marsh. Comment
  CAS-BOT-BC242638  Carex densa Peter Rubtzoff 1954-6-7 1488 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC242639  Carex densa Peter Rubtzoff 1957-5-11 3338 Sonoma Occidental Marsh Comment
  RSA758130  Carex densa Peter Rubtzoff 1954-6-7 1478 Sonoma Guerneville Marsh Comment
  RSA758137  Carex dudleyi Peter Rubtzoff 1975-7-3 8148 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC290555  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh. Comment
  UCR248915  Carex exsiccata Peter Rubtzoff 1960-6-7 4451 Sonoma Austin Creek Marsh 15 Comment
  CAS-BOT-BC320586  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC28326  Carex gracilior John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC331477  Carex gynodynama Peter Rubtzoff 1964-5-20 5317 Sonoma Brooks Gulch Marsh. Comment
  RSA0023075  Carex gynodynama Peter Rubtzoff 1959-5-31 4085 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC21909  Carex harfordii Peter Rubtzoff 1955-5-21 1867 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC320572  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  UCD112445  Carex harfordii Peter Rubtzoff 1954-6-20 1499 Sonoma Guerneville Marsh. Comment
  UC767128  Carex hendersonii Robert F. Hoover 1941-5-14 5099 Sonoma hills n Bodega Comment
  UCR249356  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC31172  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31173  Carex lemmonii John Thomas Howell 1945-5-30 20889 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31174  Carex lemmonii John Thomas Howell; J. W. Stacey 1936-7-26 12681 Sonoma Pitkin Marsh. 5 mi N of Sebastopol. Comment
  CAS-BOT-BC31176  Carex lemmonii Peter Rubtzoff 1974-6-8 7572 Sonoma Pitkin Marsh, near forestville. In the southern part of the Upper Marsh, Comment
  UC1147785 Image available Carex lemmonii J. T. Howell and J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh; ; Pitkin Marsh, Sonoma Co. Comment
  UC835699 Image available Carex lemmonii J. T. Howell and J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh; ; Pitkin Marsh, Sonoma Co. Comment
  RSA94271  Carex lemmonii Peter Rubtzoff 1951-6-30 297 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  CAS-BOT-BC329276  Carex leptopoda Peter Rubtzoff 1960-5-16 4359 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC329299  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC352234  Carex leptopoda Peter Rubtzoff 1964-5-20 5323 Sonoma Bodega Bay Marsh. Comment
  UCR252542  Carex leptopoda Peter Rubtzoff 1960-5-16 4359 Sonoma Duncan Mills Marsh 2 Comment
  RSA94277  Carex leptopoda Peter Rubtzoff 1951-6-9 164 Sonoma Pitkin Marsh, near Forestville; Forest south of the Upper Marsh. Comment
  JEPS128371  Carex mendocinensis Roger Raiche 1999-9-20 035 .99 Sonoma The Cedars, Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  HSC100971  Carex multicaulis Peter Warner 2011-5-26 210 Sonoma Cresta Ranch, (off Mark West Springs Rd. at Mark West Lodge) ~550 m South of Cresta Rd. 265 Comment
  CDA12282  Carex nudata G. F. Hrusa 1988-2-21 5500 Sonoma North Coast Biodiversity Arena; Sugarloaf Ridge State Park. Upper end of main valley. 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
  RSA0025197  Carex obnupta Peter Rubtzoff 1957-6-28 3376 Sonoma Ducans Mills Marsh. Comment
  UCD140707  Carex obnupta R. N. Raynor 1942-4-10 s.n. Sonoma 9 miles west of Petalum on road to Tomales. Comment
  RSA107439  Carex ovalis L. S. Rose 1955-6-2 55060 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  JEPS100609  Carex serratodens Dean W. Taylor 1994-5-4 14207 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UCD161858  Carex serratodens James A. Neilson Jr. 1975-7-8 3406 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA0018585  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC329282  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  RSA169301  Carex subbracteata L. S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay. 2 Comment
  UCD112450  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh. Comment
  UC767096  Carex tumulicola R. F. Hoover 1941-5-14 5077 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) 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
  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
  RSA234562  Carthamus lanatus Peter Rubtzoff 1960-7-5 6110 Sonoma Ca. 6 mo. northeast of Penngrove, on Lichan Road Comment
  CDA7002  Carthamus leucocaulos T. C. Fuller 1970-5-4 19484 Sonoma 2 miles west of the overpass, Highway 101, Asti. 0 Comment
  UCD129937  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of Asti turn-off of the freeway, Hwy 101, Asti. Comment
  CAS-BOT-BC320538  Caryophyllaceae Peter Rubtzoff 1973-8-20 7238 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC30023  Castanea Peter Rubtzoff 1954-8-12 1701 Sonoma Vacation Beach, near Guerneville. Forested hii slope above road east of Vacation Beach Comment
  CAS-BOT-BC30022  Castanea Mrs. S. G. Suttiffe 1920-7-18 s.n. Sonoma Annapolis Comment
  JEPS31995  Castilleja Helen K. Sharsmith 1962-5-25 5480 Sonoma along road from Freestone to Occidental Comment
  JEPS19388  Castilleja affinis subsp. affinis G. Thomas Robbins 1940-3-24 309 Sonoma about 6 mi e Santa Rosa (on Rincon Grade); Rincon Grade 167 Comment
  UC986495  Castilleja affinis subsp. affinis W. I. Follett 1937-5-9 Sonoma 0.9 mi se Bodega Bay Post Office (beside highway on ne side of Bodega Bay); Bodega Bay Comment
  UC726108  Castilleja ambigua subsp. ambigua A. A. Heller 1940-6-12 15722 Sonoma w of Two Rocks Comment
  UCD122116  Castilleja ambigua subsp. ambigua Frederica Bowcutt 1984-6-23 449 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, about 1/2 mile north of Gerstle Cove. 15 Comment
  JEPS3635  Castilleja applegatei subsp. martinii C. Ritchie Bell 1952-6-12 1143 Sonoma 3.7 mi e Pine Flat (on ridge near Sonoma-Lake County line); Mayacamas Range Comment
  UC1238988  Castilleja applegatei subsp. martinii Freed W. Hoffman 1947-5-30 515 Sonoma Layton Mine North Coast Ranges, Austin Creek (Austin Creek) Comment
  UCD151183  Castilleja attenuata James A. Neilson Jr. 1974-4-16 2873 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  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
  CAS-BOT-BC243776  Castilleja densiflora Barbara Keller 1990-4-30 1999 Sonoma Coleman Valley Road, 6 miles west of Occidental Comment
  UC1537454  Castilleja densiflora subsp. densiflora Gordon H. True Jr. 1938-4-13 860 Sonoma between Sonoma and Black Point Comment
  UC1238900  Castilleja foliolosa Freed W. Hoffman 1950-5-27 3594 Sonoma on Healdsburg to Guerneville Highway (Fred McMurray Ranch); North Coast Ranges Comment
  UCD122530  Castilleja foliolosa Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 64 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 259 Comment
  OBI60005  Castilleja lacera Joseph Andorfer Ewan 1935-5-13 9250 Sonoma Along low places of RR right-of-way. Wright school on Sebastopal rd Comment
  CAS-BOT-BC243857  Castilleja latifolia John Thomas Howell 1934-3-3 11740 Sonoma Near Fort Ross Comment
  JEPS16300  Castilleja minor subsp. spiralis Milo S. Baker 1926-9-26 198 Sonoma Hood Mt. 609 Comment
  CHSC63927  Castilleja subinclusa subsp. franciscana John Hale 1990-4-10 15 Sonoma 305 m. NW of Ocean Cove. 6 Comment
  JEPS27975  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi, and L. Heckard 1961-6-9 7734 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner road) 249 Comment
  JEPS3672  Castilleja subinclusa subsp. franciscana C. R. Bell 1951-4-29 1103 Sonoma near Bodega; Larkspur Rock Comment
  UC444863  Castilleja subinclusa subsp. franciscana Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  JEPS35567  Castilleja wightii L. R. Heckard 1964-6-12 1387 Sonoma about 5 mi n Bodega Bay (at Wrights Beach); Sonoma Coast State Park, Wrights Beach Comment
  UC473463  Castilleja wightii John Thomas Howell 1930-6-27 5412 Sonoma 4 mi n Bodega Bay Comment
  CAS-BOT-BC39437  Caulanthus lasiophyllus Greg de Nevers 1993-4-27 10408 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. Along Mark West Springs Road. 457 Comment
  CAS-BOT-BC47805  Ceanothus James McMurphy 1909-5-29 s.n. Sonoma ridge south of the Geysers Comment
  CAS-BOT-BC56929  Ceanothus Walter Knight; Steve Edwards 1985-11-17 5185 Sonoma Franz Valley School Road, near old schoolhouse Comment
  CAS-BOT-BC48515  Ceanothus confusus Bruce A. Stein 1981-5-31 557 Sonoma Rincon Ridge, Fountaingrove Ranch 228 Comment
  CAS-BOT-BC48521  Ceanothus confusus J. Clausen 1933-3-26 735 Sonoma Rincon Range east of Santa Rosa Comment
  JEPS83712  Ceanothus confusus R. Raiche 1988-3-28 80020 Sonoma e Guerneville (e end of Gilder Ridge and just w of Wohler Bridge); Mt. Jackson area Comment
  UC449694  Ceanothus confusus Milo S. Baker 1898-3-2 704 Sonoma Santa Rosa Comment
  RSA0005479  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  CAS-BOT-BC49152  Ceanothus cuneatus John Thomas Howell 1934-3-26 11794 Sonoma Knight's Valley Comment
  CAS-BOT-BC49153  Ceanothus cuneatus John Thomas Howell 1937-7-4 13068 Sonoma Near Petrified Forest 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
  JEPS128184  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 006 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC18295  Ceanothus foliosus W. H. Brewer 1862-4-18 984 Sonoma near Sonoma Comment
  CAS-BOT-BC49909  Ceanothus foliosus var. foliosus Michener; Bioletti 1893-6-1 s.n. Sonoma Hoods Peak Comment
  UCD112133  Ceanothus foliosus var. vineatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. 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-BC50011  Ceanothus gloriosus Milo S. Baker 1935-4-1 8032 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC775008  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma 8.5 mi s Stewarts Point (at entrance to Salt Point Ranch, along coast.) Comment
  UC912383  Ceanothus gloriosus var. exaltatus Herbert L. Mason 1931-3-7 5801 Sonoma Vine Hill School, 12 miles west of Santa Rosa. Comment
  UC1280768  Ceanothus gloriosus var. gloriosus H. E. McMinn 1938-6-20 5129 Sonoma Stewarts Point to Gualala. Comment
  CAS-BOT-BC63737  Ceanothus griseus A. A. Heller 1903-4-23 6606 Sonoma Fort Ross. Comment
  UC73359  Ceanothus incanus Milo S. Baker 1898-6-11 649 Sonoma Little Sulphar Creek Comment
  SEINET12211380  Ceanothus integerrimus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -270 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC1070778  Ceanothus jepsonii C. M. Belshaw 1936-3-7 1554 Sonoma 1 mi ne Occidental; Sebastopol quad. 36 Comment
  UC1193312  Ceanothus jepsonii P. Zinke 1949-6-14 64 Sonoma Divide between Dry Creek and Smith Creek Quad. 61A3 457 Comment
  CAS-BOT-BC63518  Ceanothus oliganthus var. sorediatus K. Wagnon 1939-5-13 176 Sonoma Growing along w. side of Science Building on Santa Rosa Junior College Campus with stake #561. Plant came from Seaview Comment
  CAS-BOT-BC51877  Ceanothus parryi Peter Rubtzoff 1953-5-17 1384 Sonoma Forested hills South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC51881  Ceanothus parryi Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford Comment
  CAS-BOT-BC52124  Ceanothus prostratus J. Clausen 1933-3-26 736 Sonoma Rincon Range east of Santa Rosa Comment
  CAS-BOT-BC53038  Ceanothus sonomensis Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 5076 Sonoma Cavedale Road 640 Comment
  CAS-BOT-BC83740  Ceanothus sonomensis D. O. Burge; Steven Kembel 2008-5-29 1002 b Sonoma Sonoma Mountains, Annadel State Park 330 Comment
  JEPS97530  Ceanothus sonomensis R. D. Stone 1985-3-8 651 Sonoma along unpaved road S of Trinity Road and W of cul-de-sac on Manzanita Lane Mt. Veeder (approx 2.5 airmiles WNW of) Comment
  RSA753880  Ceanothus sonomensis Dylan O. Burge, C. Miller 2007-6-12 DOB 939 c Sonoma Mayacmas Mts., head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles (6.4 km) E of SR 12. 4.90 km 85 degrees (True) ENE of Glenn Ellen. 560 Comment
  SBBG26768  Ceanothus sonomensis J. T. Howell 1935-5-5 Sonoma Triniti Mtn 2 mi NE of Glen Ellen Comment
  UC1299588  Ceanothus sonomensis Freed W. Hoffman 1947-3-12 754 Sonoma Trinity road, northeast of Kenwood, Napa Range, west slope Comment
  UCD144666  Ceanothus sonomensis Frederica Bowcutt 1996-5-20 2139 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 1.5 air miles WSW of Bald Mountain. Along Godspeed Trail, NW of confluence of Bear Creek and Sonoma Creek about 0.25 air miles. 304 Comment
  SEINET11843779  Centaurea calcitrapa W. Knight, Wagnon, K. 1987-1 6102 Sonoma Willow Brook N of Petaluma Comment
  CAS-BOT-BC277017  Centaurea iberica Maxine Wilkes 1929-7-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC277161  Centaurea melitensis Peter Rubtzoff 1952-6-10 1220 Sonoma Northeast and east slope of Fitch Mtn., near Healdsburg Comment
  UC579562  Centaurea solstitialis H. S. Yates 1935-10-3 5341 Sonoma Santa Rosa 53 Comment
  JEPS20839  Centaurium trichanthum Harry K. Roberts 1958-7-8 Sonoma 0.3 mi w starting at the junction of the Sebastopol and Occidental rd (toward Sebastopol, on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) Comment
  CAS-BOT-BC271544  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  UCD166457  Cerastium Peter Rubtzoff 1955-5-7 1826 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC384869  Cerastium Peter Rubtzoff 1983-8-28 9677 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  RSA800601  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  SEINET7067242  Cerastium glomeratum A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  CAS-BOT-BC388435  Cerastium glomeratum Catherine Best 1982-3-20 s.n. Sonoma On a flat area off Green Hill Rd. about 2 mi east of Occidental Comment
  UCD105656  Cercis occidentalis S. M. Smuckler 1995-6-3 12 Sonoma Highway 128, 1 mile west of Monticello Dam, 50 m from Lake Berryessa. 200 Comment
  UCD113023  Cercocarpus betuloides K. Evan 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  UCD158834  Cercocarpus betuloides James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2920 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 586 Comment
  UCD162158  Cercocarpus betuloides D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1512 Sonoma Hooker Creek watershed. 450 Comment
  CAS-BOT-BC178699  Chenopodiaceae Peter Rubtzoff 1976-9-25 8903 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  RSA785152  Chenopodium Peter Rubtzoff 1969-11-2 6209 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  UCR19003  Chenopodium botrys John C. Roos 1948-8-29 3960 Sonoma North Coast Ranges, Healdsburg. Sandbar along Russian River Comment
  CAS-BOT-BC499257  Chlorogalum pomeridianum Peter Rubtzoff 1951-7-14 473 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC246321  Chloropyron maritimum subsp. palustre John Thomas Howell 1955-8-6 30895 Sonoma On west side of Bodega Bay Comment
  CAS-BOT-BC257024  Chorizanthe membranacea Greg de Nevers 1997-5-12 10996 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC257026  Chorizanthe membranacea Milo S. Baker 1926-1-1 236 a-Local Sonoma Side canyon above Ken. Sps. [Kenwood Springs] Comment
  CAS-BOT-BC173825  Chrysanthemum Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC30104  Chrysolepis chrysophylla Mary P. Wells; Mary Rhyne; John Madison 1985-11-4 695 Sonoma Forest 1/2 mile south of the Gualala River Comment
  UC1193057  Chrysolepis chrysophylla var. minor R. H. Neuns 1950-5-23 114 Sonoma 2 mi w Cobb (on Cobb Mountain, on Sonoma-Lake County line); Cobb Mountain 1264 Comment
  CAS-BOT-BC285250  Cichorium intybus W. W. Carruth 1900-7-1 s.n. Sonoma Near Healdsburg Comment
  RSA155533  Cicuta douglasii L. S. Rose 1960-9-14 60090 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  RSA0015628  Cirsium brevistylum Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  UCD166264  Cirsium douglasii var. douglasii Peter Rubtzoff 1970-9-3 6368 Sonoma Hillside marsh above Shell Beach in Sonoma Coast State Beach area. 12 Comment
  CAS-BOT-BC279997  Cirsium douglasii var. douglasii Alice Eastwood; John Thomas Howell 1937-5-31 4497 Sonoma 6 1/2 miles south of Gualala River, Sonoma coast Comment
  JEPS59209  Cirsium occidentale var. occidentale unknown 1925-7-25 86 Sonoma Bodega Pt. Comment
  CAS-BOT-BC285707  Cirsium occidentale var. occidentale John Thomas Howell 1955-8-6 30893 Sonoma Near Bodega Head Comment
  UC76033  Cirsium occidentale var. venustum Milo S. Baker 1898-6-11 658 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC285755  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1939-6-11 7414 Sonoma Near Triniti P. O., Hood Mt. Range Comment
  UC478907  Clarkia amoena Marcus E. Jones, A. M. 1931-7-5 28991 Sonoma w Cloverdale Comment
  UC582991  Clarkia amoena P. A. Munz 1936-8-8 14311 Sonoma coast 5 mi n Jenner Comment
  CAS-BOT-BC161057  Clarkia amoena subsp. amoena P. A. Munz 1936-8-8 14311 Sonoma Coast 5 mi. north of Jenner Comment
  POM184784  Clarkia amoena subsp. amoena Merle Randall 1930-6-14 s.n. Sonoma Sonoma County: Alamere Creek Comment
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Sep 20 2012
  RSA51337  Clarkia amoena subsp. amoena Joanne Taylor 1941-7-13 11 -a Sonoma Canyon about 10 miles from Bodega Head. Comment
  CHSC22113  Clarkia amoena subsp. huntiana Robert A. Schlising; Lloy Thurman 1962-6-15 2303 Sonoma Coast Ranges. Dutcher Creek Road, S of Cloverdale and Asti; roadside. Comment
  JEPS731  Clarkia amoena subsp. huntiana W. L. Jepson 10009 Sonoma Sonoma Canyon Kenwood Comment
  UC1018290  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 871 Sonoma 2.0 mi e Mark West Springs Comment
  UCSB15930  Clarkia concinna Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 1.5 miles northwest of U.S. Highway 101; at Cloverdale 121 Comment
  CAS-BOT-BC172217  Clarkia concinna A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  LA206049  Clarkia concinna H. Lewis; 1951-7-10 868 Sonoma 0.7 mi W of Mark West Spring Comment
  SEINET12195099  Clarkia concinna F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -254 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC73320  Clarkia concinna subsp. concinna Milo S. Baker 1898-5-7 598 Sonoma Glen Ellen Comment
  POM253277  Clarkia concinna subsp. concinna A. A. Heller 1938-5-14 15087 Sonoma Just east of Bodega Bay. Comment
  UCD151107  Clarkia gracilis James A. Neilson Jr. 1974-6-1 s.n. Sonoma Mayacmas Mountains, Geyser Rock area, old road to Geyser Peak, ca. 3.5 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD104538  Clarkia gracilis Botany 102 Students 1993-5-8 274 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
  CAS-BOT-BC162513  Clarkia gracilis subsp. gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54000 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  POM187553  Clarkia gracilis subsp. sonomensis Marcus E. Jones 1931-7-5 s.n. Sonoma Cloverdale Comment
  RSA73310  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma Sonoma - Santa Rosa Hwy, 5.5 miles S of Santa Rosa. 32 Comment
  RSA108400  Clarkia imbricata Harlan Lewis, M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville; 6230 Vine Hill road Comment
  RSA0007460  Clarkia imbricata Milo S. Baker 1928-6-28 3195 Sonoma Pitkin Ranch between house and Pitkin marsh Comment
  UC423081  Clarkia purpurea subsp. quadrivulnera Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  RSA448314  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1977-6-20 6017 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  POM187327  Clarkia unguiculata Marcus E. Jones 1931-7-5 29038 Sonoma The Geysers. Comment
  SEINET12194280  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -196 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 740 Comment
  UCD105033  Clarkia unguiculata Frederica Bowcutt 1994-6-12 1868 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 Pony Gate Trail above Adobe Canyon Road (road visible from trail.) Less than 1/8 mile SW of trail juncture with Pony Gate Gulch Creek. 326 Comment
  SJSU9881  Claytonia gypsophiloides G. J. Woodside 1969-4-29 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St Dorothy's Rest Comment
  UC754333  Claytonia gypsophiloides R. Bacigalupi 1948-3-6 2855 Sonoma 2 mi w Skaggs Springs Comment
  UCD33223  Claytonia gypsophiloides Beecher Crampton 1967-5-15 7924 Sonoma Lytton. Comment
  CAS-BOT-BC439398  Claytonia gypsophiloides Barrett Anderson 1986-4-9 2875 Sonoma Ida Clayton Rd N of Kellogg. 745 Comment
  CAS-BOT-BC439399  Claytonia gypsophiloides Peter Rubtzoff 1957-5-26 3352 Sonoma Near Occidental - Graton road, 2.7 mi. east of Occidental. Comment
  CAS-BOT-BC439403  Claytonia gypsophiloides Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-3-23 10530 Sonoma 1.1 mi. s. of Mendocino Co. line on State Highway 128, n. of Cloverdale Comment
  HSC49616  Claytonia gypsophiloides R. York 1979-4-8 202 Sonoma Along Hwy. 128, 2 mi. N of Calistoga 305 Comment
  CAS-BOT-BC229139  Claytonia parviflora subsp. grandiflora Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  RSA388344  Claytonia perfoliata Gary Bolton 1975-4-19 3 Sonoma Bay Road, 200m E of P G & E hole, Bodega Head Comment
  CAS-BOT-BC443873  Claytonia sibirica A. A. Heller; H. E. Brown 1902-3-29 5185 Sonoma Bodega Bay Comment
  UC72567  Claytonia sibirica Milo S. Baker 1898-4-5 3 Sonoma e of Stewart's Point (grade) Comment
  SEINET12091841  Clematis lasiantha F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -101 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  RSA534574  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River Comment
  RSA12260  Clintonia andrewsiana Carl B. Wolf 1934-6-29 5805 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  SEINET12050352  Clintonia andrewsiana F. H. Utech 1988-1 88 -234 Sonoma Stewart's Point, ca 1.5 mi E on Stewarts Point Road from junction with CA 1 40 Comment
  NY68258  Collinsia arvensis E. L. Greene 1892-4-20 s.n. Sonoma Knight's Valley. Comment
  JEPS3574  Collinsia greenei Helen K. Sharsmith 1952-6-18 4130 Sonoma about 0.8 mi w junction of Socrates Mine Rd. with Pine Flat-Middletown road; Mayacamas Mountains 914 Comment
  RSA63335  Collinsia heterophylla Milo S. Baker 1950-6-12 12279 Sonoma Hillside opposite Maplewood, near Kenwood. Comment
  UC26647  Collinsia sparsiflora var. collina Alice King Apr. 1897 Sonoma Healdsburg Comment
  UCD35326  Collinsia tinctoria Beecher Crampton 1955-6-8 2824 Sonoma 7 miles northwest of Calistoga, State Hwy. 128. Comment
  CAS-BOT-BC229502  Collomia rawsoniana Walter Knight; Irja Knight; Tiffany Knight 1985-7-15 5144 Sonoma From garden of Knight, Petaluma Comment
  SEINET12332732  Collomia rawsoniana W. Knight, Knight, I.; Knight, T. 1985-1 5144 Sonoma Petaluma Comment
  UC73524  Convolvulus arvensis Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  RSA0059770  Convolvulus subacaulis Robert F. Thorne 1965-4-19 34289 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC286005  Conyza bonariensis Mary P. Wells 1988-9-7 966 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  POM232055  Conyza canadensis Roxana S. Ferris 1937-8-18 9369 Sonoma Dunes near mouth of Salmon Creek on Bodega Bay Comment
  UCR256101  Cordylanthus Greg de Nevers 1997-8-17 11074 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  UCD123130  Cordylanthus tenuis subsp. brunneus Roger Raiche 1985-6-30 RR 50567 Sonoma unnamed ridge on west side of Dry Creek Valley, north of Crane Creek and south of Bradford Mt. 274 Comment
  CAS-BOT-BC238230  Cordylanthus tenuis subsp. brunneus Steve Edwards 1984-7-22 s.n. Sonoma N. of Duvoul Cr., N. of Camp Meeker, E. of but not far above, Bohemian Hwy. Comment
  UC1044679  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  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-BC368068  Cornus Greg de Nevers 1998-5-25 11266 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At the caves 400 Comment
  CAS-BOT-BC212285  Cornus glabrata Peter Rubtzoff 1952-5-31 1105 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC366870  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UCD117132  Cornus glabrata P. B. Kennedy 1927-8-20 s.n. Sonoma Knight's Valley. Comment
  RSA239697  Cornus stolonifera Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1094 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Rd. west of Santa Rosa. Comment
  CAS-BOT-BC180190  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-9-15 296 Sonoma Los Alamos Rd., Santa Rosa Comment
  UCD165873  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC427645  Crassula aquatica Greg de Nevers 1993-5-6 10435 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  UCD55334  Crassula aquatica Ellen Dean 2006-6-28 3178 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Edges of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC427652  Crassula aquatica Peter Rubtzoff 1974-5-11 7386 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  CAS-BOT-BC143503  Crataegus gaylussacia Peter Rubtzoff 1958-8-16 3885 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  RSA0025202  Crataegus monogyna Peter Rubtzoff, Roman Gatkin 1975-5-21 7977 Sonoma San Bruno Mtns: 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction. Comment
  UCD148420  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UCD160820  Crepis capillaris Susan Dean 2015-7-5 s.n. Sonoma Sebastopol, Barlow Lane, 1700 block. 54 Comment
  CAS-BOT-BC290542  Crepis capillaris Robert M. King 1980-7-8 8410 Sonoma Vicinity of Bodega Bay Comment
  UCD126218  Cressa truxillensis Milo S. Baker Fall 1946 11710 Sonoma less than 1 mile north of junction of Black Point Highway and Sears Point cut off. Comment
  UCD116890  Crocanthemum scoparium Charles B. Heiser Jr. 1946-5-19 1744 Sonoma Vine Hill, W of Santa Rosa Comment
  UCD116522  Crocanthemum scoparium Frederica Bowcutt 1994-6-25 1917 Sonoma 609 Comment
  CDA4462  Crupina vulgaris G. D. Barbe 1991-5-24 4422 Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  JEPS117125  Crupina vulgaris Peter Warner 2010-5-6 145 Sonoma Annadel State Park, ~200 m NE of Canyon Trail at junction with unimproved trail to upland vernal pool, ~570 m W of dam at Lake Ilsanjo Comment
  CAS-BOT-BC190101  Crypsis schoenoides David L. Morgan 1960-9-10 s.n. Sonoma Old Redwood Highway, 0.5 mile south of Penngrove. Comment
  CAS-BOT-BC190148  Crypsis schoenoides Peter Rubtzoff 1958-9-27 4008 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  CAS-BOT-BC190149  Crypsis schoenoides Peter Rubtzoff 1961-9-20 4756 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road crossing. Comment
  CAS-BOT-BC190184  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. Comment
  UC66152  Cryptantha leiocarpa A. A. Heller 1902-5-27 5615 Sonoma Bodega Bay Comment
  RSA151908  Cryptantha leiocarpa Peter M. Ray 1952-5-30 2299 Sonoma Between Bodega Harbor and the ocean, north of Bodega Head (near harbor just south of marsh indicated on Bodega Head quadrangle). 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
  RSA0079376  Cryptantha muricata var. jonesii Michener, Bioletti 1892-5-30 s.n. Sonoma Hood s Peak. Comment
  CDA11916  Cupressus macnabiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11735 Sonoma North Coast Biodiversity Arena; Small tree 5 meters tall. Large population at Cavedale Edaphic Island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Population varies toward C. sargentii and is associated with Quercus aff. durata, but no serpentine present in area. Comment
  RSA178043  Cupressus macnabiana Robert F. Thorne 1965-4-20 34367 Sonoma Head of Hooker Canyon on Cavedale Road, north of Sonoma 610 Comment
  CAS-BOT-BC85427  Cupressus sargentii W. Knight; Irja Knight 1963-11-21 2500 Sonoma Harrison Grade between Graton and Occidental Comment
  CAS-BOT-BC85461  Cupressus sargentii John Thomas Howell 1933-4-2 10960 Sonoma Serpentine ridge, 2 miles east of Occidental Comment
  CDA11140  Cupressus sargentii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11551 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Large forest on W facing slope. Trees to 30 ft. Comment
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Jul 25 2018
  SEINET3840824  Cupressus sargentii Unknown 2006-6-24 6 .323 Sonoma On serpentine along Harrison Grade 168 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-BC320510  Cynodon Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  HSC3637  Cynoglossum grande R. F. Good 1962-4-19 29 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 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-BC190427  Cynosurus echinatus John H. Thomas 1976-6-15 18229 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC1102750  Cynosurus echinatus A. R. Kruckeberg 1947-6-14 1502 Sonoma on hiway 28 ca 2 mi w Maacamas Creek bridge (w end of Knights Valley); Knights Valley, w of Maacamas Creek bridge Comment
  UCD60157  Cynosurus echinatus G. F. Hrusa; R. Gross 1999-6-12 15075 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
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Aug 15 2010
  UCR248721  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 miles northeast of Penngrove on Lichau Road 427 Comment
  UCR248900  Cynosurus echinatus Peter Rubtzoff 1972-5-25 6765 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCD161844  Cyperus eragrostis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Location georeference near Wildhorse Cr.) Comment
  CAS-BOT-BC114435  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa NE of Graton. 1.5 mi N of Guerneville Road. Comment
  CAS-BOT-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-BC70723  Cystopteris fragilis D. E. Breedlove 1980-6-28 44814 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC70724  Cystopteris fragilis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC70722  Cystopteris fragilis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC1100146  Damasonium californicum Malcolm A. Nobs and S. Galen Smith 1949-7-29 921 Sonoma w. of Santa Rosa (on rd. to Sebastopol, The Laguna) Comment
  CAS-BOT-BC445558  Damasonium californicum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC445559  Damasonium californicum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192272  Danthonia californica G. DeNevers 1981-7-1 1719 A Sonoma On the trail to the Studio. Pepperwood Ranch Comment
  CAS-BOT-BC192284  Danthonia californica P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar Comment
  CAS-BOT-BC210055  Danthonia californica Peter Rubtzoff 1961-6-17 4627 Sonoma Bennett Mountain Lake. Comment
  UCD33094  Danthonia californica Beecher Crampton 1966-5-10 7724 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UCR279609  Danthonia californica Peter Rubtzoff 1959-5-30 4072 Sonoma Freestone Marsh 79 Comment
  UCD34819  Danthonia californica var. americana Beecher Crampton 1963-5-27 6811 Sonoma Sonoma County, Alexander Valley, state Hwy. 128, ca. 8 miles S.E. of Geyserville. Comment
  UC76181  Datura stramonium Miss M. Alice King May, 1897 Sonoma near Healdsburg (Dry Creek); Dry Creek Comment
  JEPS15987  Daucus carota W. L. Jepson 1933-8-5 16552 Sonoma Sonoma Comment
  UCD127390  Daucus carota G. F. Hrusa 1998-11-29 14907 Sonoma mowed field across from furthest south residence. Comment
  UCD127397  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  RSA800286  Deinandra corymbosa Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh. Comment
  RSA74424  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley; West of Occidental on Hendrin Ranch Comment
  UC727734 Image available Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Val., West of Occidental on Hedrin Ranch Comment
  CAS-BOT-BC9025  Delphinium decorum Milo S. Baker 1926-4-14 186 a Sonoma Bodega Bay Comment
  CAS-BOT-BC9024  Delphinium decorum Gertrude Raven Hardman 1925-3-10 s.n. Sonoma Tomales Comment
  UC72779  Delphinium decorum subsp. tracyi Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  UCR25999  Delphinium hesperium J. Townsend 1977-5-30 s.n. Sonoma E side of Russian River about 2 mi. south of Gurneyville. 18 Comment
  UCSC000516  Delphinium hesperium C. B. Churchill 1-May s.n. Sonoma Sonoma Cr. Canon Comment
  UC912568  Delphinium hesperium subsp. hesperium Herbert L. Mason 1934-4-28 8088 Sonoma Jensen's Ranch Comment
  SBBG53023  Delphinium hesperium subsp. hesperium M. R. Benedict 1978-4-18 Sonoma Skaggs Springs Rd, 8 mi W of Geyersville Comment
  UC1299395  Delphinium hesperium subsp. hesperium Freed W. Hoffman 1948-6-8 2668 Sonoma Austin ranch road North Coast Ranges, Guerneville Comment
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Jun 5 2007
  CAS-BOT-BC10100  Delphinium luteum John Thomas Howell 1931-4-18 6415 Sonoma Larkspur Rock, near Bodega Bay Comment
  RSA32813  Delphinium luteum A. A. Heller 1940-5-17 s.n. Sonoma Along Hwy 1, mile or so east of Bodega Bay. Comment
  CAS-BOT-BC8002  Delphinium nudicaule Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC8010  Delphinium nudicaule Elmer Ivan Applegate 1934-3-25 8848 Sonoma Pine Flat region, west slope of Mayacama Mountains Comment
  UC9203  Delphinium nudicaule W. H. Brewer 1862-4-18 968 Sonoma near Sonoma Comment
  RSA304847  Delphinium nudicaule James R. Shevock 1971-3-21 814 Sonoma Near Sugarloaf St Park 152 Comment
  UCD95886  Delphinium nudicaule Charles B. Heiser Jr. 1946-4-13 1726 Sonoma Above Russian River, 3 miles N. of Jenner. Comment
  SEINET7067342  Delphinium variegatum A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  UC906473  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9240 Sonoma 2 mi n Kenwood; Los Guilicos Comment
  RSA59844  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9240 Sonoma Los Guilicos, 2 miles N of Kenwood. Comment
  CAS-BOT-BC83025  Dendromecon rigida Kate Eastwood Phelps 1935-4-1 s.n. Sonoma Point Sal. Comment
  UCR198239  Dendromecon rigida Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .266 Sonoma Cavesdale Road 518 Comment
  UCD23367  Dentaria californica Wesley Ebert 1977-4-9 15 Sonoma White blossoms. In rich moist humus. Heavily shaded by Umbellularia californica and Quercus agrifolia. On east facing slope. 6000 Soldiers Lane, Penngrove. On west side of Sonoma Mtn. Comment
  UCR244498  Deschampsia Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC192612  Deschampsia cespitosa subsp. holciformis Herbert L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD166087  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1971-6-25 6571 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC201648  Deschampsia danthonioides John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54681 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC201649  Deschampsia danthonioides W. L. Jepson 1911-4-30 4183 Sonoma Sonoma Valley Comment
  RSA0059085  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  CAS-BOT-BC201961  Deschampsia elongata Lewis S. Rose 1962-6-1 62064 Sonoma 1 mi. NW of Freestone 76 Comment
  CAS-BOT-BC201972  Deschampsia elongata Peter Rubtzoff 1960-5-22 4403 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville roads Comment
  UCR282049  Deschampsia elongata Peter Rubtzoff 1964-6-24 5373 Sonoma Lower Salmon Creek Marsh 6 Comment
  UC72730  Dicentra chrysantha Milo S. Baker 1898-6-11 669 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC209246  Dichanthelium acuminatum subsp. acuminatum Leo Koch 1938-6-12 311 Sonoma Pitkin Marsh about 10 miles west of Santa Rosa Comment
  CAS-BOT-BC258920  Dichelostemma capitatum Peter Rubtzoff 1963-5-26 5145 Sonoma Bennett Mountain Lake Comment
  UCD148240  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-3-29 2901 Sonoma 0.6 mi E of Occidental, at jct Occidental Rd and Facendini Lane. 262 Comment
  CAS-BOT-BC176147  Digitaria Peter Rubtzoff 1971-8-23 6643 Sonoma Stony Point Road, just S of Hwy. 116. Comment
  CAS-BOT-BC176369  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  RSA796382  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC152040  Diplacus aurantiacus F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  SEINET8225561  Diplacus aurantiacus S. Saufferer 1973-5-24 215 Sonoma Bodega Bay. Comment
  RSA796173  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  UCD64360  Distichlis spicata Collector Unknown 1941-9-1 153 Sonoma Near mouth of Walker Creek by Tomales Bay. Comment
  CDA1349  Dittrichia graveolens S. Ostrom 2006-9-1 PDR# 1328648 Sonoma Windsor; Shiloh Rd. & Business Park Ct. Comment
  CHSC97901  Dittrichia graveolens S. Ostrom 2006-9-1 PDR 1328648 Sonoma Windsor; Shiloh Rd. and Business Park Ct. Roadside. 35 Comment
  SBBG40349  Dodecatheon hendersonii W. J. Dress 1951-2-19 Sonoma ca. 8 mi W of Calistoga 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
  UCD55093  Downingia concolor G. F. Hrusa; R. Gross 1996-6-30 13059 Sonoma At west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  SEINET12320776  Downingia concolor W. Knight, Knight, I. 1980-1 3880 Sonoma Half mi S of junction of highways 116 and 121 in Sonoma Valley Comment
  JEPS14426  Downingia concolor var. concolor F. T. Bioletti 1891-5-9 Sonoma Sonoma Comment
  JEPS108527  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 149 -95 Sonoma Santa Rosa. Roadside ditch along Alton Lane, off of Fulton Rd., just N of Piner Rd. Comment
  UC1244020  Downingia concolor var. concolor John H. Weiler 1961-4-30 6197 Sonoma 1.2 mi w Schellville railroad station (along State Highway 37) Comment
  CAS-BOT-BC159444  Drymocallis glandulosa var. glandulosa G. DeNevers 1981-5-20 1221 Sonoma In the Garrison Yard, Pepperwood Ranch Comment
  CAS-BOT-BC159446  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1953-5-18 1410 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  CAS-BOT-BC71018  Dryopteris arguta Peter Rubtzoff 1952-6-10 1230 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  RSA0021585  Dryopteris arguta M. Bourell, Alva Day, George Lindsey 1982-6-25 1813 Sonoma CAS Pepperwood Ranch. 6 miles east of Santa Rosa. 366 Comment
  UC1201281  Dryopteris arguta E. Samuels 233 Sonoma Comment
  UC1146612  Echinochloa crus-galli Freed W. Hoffman 1941-6-20 2090 Sonoma Oregon Canyon near Camp Meeker; North Coast Ranges, Oregon Canyon Comment
  UCD164997  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  UCD166256  Eleocharis Peter Rubtzoff 1970-8-18 6313 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC113726  Eleocharis acicularis Catherine Best 1983-10-10 900 Sonoma Where water had receded at the Lake on Stoltz Lane ca. 2 mi NE of Occidental. Comment
  CAS-BOT-BC113736  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1951-6-17 268 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC113734  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1951-7-22 531 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC112983  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC269290  Eleocharis macrostachya Peter Rubtzoff 1976-5-30 8563 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC249275  Elodea canadensis Peter Rubtzoff 1970-8-19 6336 Sonoma Austin Creek, 0.5 miles north of Cazadero Comment
  SEINET7067272  Elymus glaucus A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  CAS-BOT-BC203716  Elymus glaucus subsp. glaucus Greg de Nevers 1990-5-16 9669 A Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. North of the big rocks near the Red Corral 457 Comment
  CAS-BOT-BC203725  Elymus glaucus subsp. glaucus L. R. Abrams 1922-6-21 8150 Sonoma 6 mi west of Ukiah on the Low Gap Road to Mendocino City Comment
  CDA37196  Elymus glaucus subsp. glaucus CDFA Staff 2005-5-19 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC1146633  Elymus trachycaulus Freed W. Hoffman 1944-5-27 2007 Sonoma Dutch Bill Creek North Coast Ranges Comment
  CAS-BOT-BC204306  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-27 1711 Sonoma Pepperwood Ranch. At new Pepperwood entrance Comment
  CDA15872  Elytrigia repens P. Lane 2000-2-17 PDR 022483 Sonoma North Coast Biodiversity Arena; Invading into newly planted sod from irrigated pasture on Laguna Rd. nr. Forestville. 0 Comment
  UCD164990  Epilobium Peter Rubtzoff; Nancy Harrison 1974-9-7 7861 Sonoma Hinebaugh Creek in Rohnert Park, W of Commerce Blvd. Comment
  UCD35654  Epilobium ciliatum subsp. ciliatum Beecher Crampton 1959-6-16 5387 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  JEPS43869  Epilobium ciliatum subsp. watsonii Eleanor Armstrong May 1932 523 Sonoma 3 mi n Bodega Bay (swampy locality) 30 Comment
  UC125546  Epilobium ciliatum subsp. watsonii Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  UC873152  Epilobium densiflorum Lewis S. Rose 1938-9-11 38252 Sonoma dry ditch Bloomfield 30 Comment
  UCD166300  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UCR280183  Epilobium hallianum Peter Rubtzoff 1958-5-10 3634 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  RSA800408  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC57042  Equisetum arvense Peter Rubtzoff 1959-6-20 4183 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC57044  Equisetum arvense John H. Thomas 1976-6-15 18324 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC57036  Equisetum arvense Peter Rubtzoff 1954-8-13 1721 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC57043  Equisetum arvense Peter Rubtzoff 1951-6-30 300 Sonoma Western branch of the Upper Marsh Comment
  UC810212  Equisetum arvense Milo S. Baker 1939-4-2 9269 Sonoma stream in front of Mrs. Morton's place Kenwood Comment
  UCR244750  Equisetum hyemale subsp. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh Comment
  RSA784476  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC57641  Equisetum telmateia Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC57651  Equisetum telmateia Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh Comment
  SEINET6031838  Equisetum telmateia P. L. Henderson 1977-4-30 77 -7 Sonoma Bodega Bay Comment
  RSA309328  Equisetum telmateia var. braunii Edward Lee, W. A. Setchell 1936-6-7 2174 Sonoma Trail No. 10, Bohemian Grove. Comment
  UCR248774  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC204446  Eragrostis cilianensis Greg de Nevers 1996-9-23 10883 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piny Canyon 487 Comment
  RSA796174  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Open, wet banks of Russian River. Comment
  UCD62972  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa. Comment
  CAS-BOT-BC182756  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1956-9-21 2937 Sonoma Vacation Beach, near Guerneville. Comment
  UCR279638  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1958-8-30 3933 Sonoma Vacation Beach, near Guerneville 3 Comment
  CAS-BOT-BC284185  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1954-7-3 1517 A Sonoma Vacation Beach near Guerneville, Russian River Comment
  CAS-BOT-BC164648  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  JEPS19225  Ericameria arborescens Willis L. Jepson 1893-9-23 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena 914 Comment
  POM359364  Ericameria ericoides var. ericoides E. A. Purer 1932-7-24 s.n. Sonoma Near Bodega Bay Comment
  CAS-BOT-BC293622  Erigeron biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's [Duncans] Mills Comment
  UC1084466  Erigeron glaucus G. Thomas Robbins 1937-6-6 231 Sonoma 2-3 mi e of Bodega Bay (rolling hills) Comment
  CAS-BOT-BC300250  Erigeron reductus var. angustatus Herbert L. Mason; Verne Grant 1946-7-5 12898 Sonoma Two miles east of Occidental Comment
  JEPS86806  Erigeron reductus var. angustatus Jack and Betty Guggolz 1991-6-29 1200 Sonoma approx. one mi NNW of the center of Camp Meeker Camp Meeker Comment
  UC1124285  Eriodictyon californicum E. Armstrong 1934-3-26 924 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle 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
  CAS-BOT-BC250013  Eriogonum fasciculatum var. foliolosum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road near the Warm Springs Dam Overlook Comment
  CAS-BOT-BC259249  Eriogonum latifolium Walter Knight; Irja Knight 1963-8-13 170 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC259261  Eriogonum latifolium Alice Eastwood 1915-6-29 4882 Sonoma Bodega Point Comment
  UC412860  Eriogonum latifolium Miss C. M. Hoak 1912-8-8 Sonoma Monte Rio Comment
  CAS-BOT-BC259466  Eriogonum luteolum R. D. Stone 1983-6-14 539 Sonoma Headwaters of Squaw Cr. drainage, S-facing slope ca. 1.2 mi. NW of Geyser Rock 1005 Comment
  CAS-BOT-BC259481  Eriogonum luteolum C. F. Leitholt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  CAS-BOT-BC270976  Eriogonum nervulosum Roger Raiche 1985-8-10 50716 Sonoma The Cedars, N. of Cazadero, headwaters Big Austin and East Austin Creeks, Layton mine site 371 Comment
  UC1032215  Eriogonum nudum var. auriculatum J. B. Spring 1932-6-26 87 Sonoma 2 mi ne Kenwood; Santa Rosa Quadrangle 548 Comment
  CAS-BOT-BC253068  Eriogonum roseum Helen D. Geis 1902-8-1 s.n. Sonoma Russian River bed Comment
  CDA401  Eriogonum vimineum D. G. Kelch 2003-7-14 3 .378 Sonoma Cavedale Road. Comment
  CHSC107500  Eriogonum vimineum D. G. Kelch; Troy McGregor 2010-8-22 10 .356 Sonoma Nr Peak of Geyser Peak Rd. Comment
  SD133986  Eriogonum vimineum Greg de Nevers 1986-9-10 8110 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 99 Comment
  CAS-BOT-BC301157  Eriophyllum lanatum var. achilleoides Roxana S. Ferris; Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CDA4966  Eriophyllum lanatum var. achilleoides T. C. Fuller 1960-6-14 4487 Sonoma Italian Swiss Colony, Asti. 0 Comment
  JEPS19377  Eriophyllum lanatum var. arachnoideum G. Thomas Robbins 1937-6-6 235 Sonoma along roadside near Bodega Bay Comment
  SD88414  Eriophyllum lanatum var. grandiflorum Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  CAS-BOT-BC302014  Eriophyllum staechadifolium Alice Eastwood 1915-6-29 4879 Sonoma Bodega Point Comment
  CAS-BOT-BC302016  Eriophyllum staechadifolium John Thomas Howell 1930-6-8 5280 Sonoma 8.5 miles n. of Bodega Bay Comment
  RSA719882  Eriophyllum staechadifolium Linda E. Watson 1996-5-19 s.n. Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  UCD165124  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  UC73463  Erodium botrys Miss M. Alice King May 1897 Sonoma Lytton Springs Comment
  UCD150843  Eryngium aristulatum 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
  UC1365625  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-8-25 5805 Sonoma e. Graton (between Occidental and Guerneville rds, Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC1784137  Eryngium armatum Ethel Crum 1930-1 736 Sonoma Petaluma Comment
  UC584212  Eryngium armatum David D. Keck and J. Clausen 1935-6-15 3369 Sonoma 1 mi. n. Salmon Creek Comment
  UCD127467  Eryngium constancei G. F. Hrusa; R. Gross 1996-10-5 13582 -C Sonoma summit of Mayacmas Range at west end of Diamond Mountain Road. Approx. 2 miles southwest of Calistoga. 700 Comment
  CAS-BOT-BC384606  Erythranthe grandis David B. Lowry 2005-5-9 WTB Sonoma At mile marker 17.08 along Hwy. 1 36 Comment
  CAS-BOT-BC403704  Eschscholzia californica Walter Knight; Irja Knight 1963-8-13 161 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC403706  Eschscholzia californica A. A. Heller; H. E. Brown 1902-4-15 5301 Sonoma Santa Rosa Creek Comment
  UC1084359  Eschscholzia californica G. Thomas Robbins 1937-3-26 21 Sonoma along hwy just w Bodega Comment
  UCR44930  Eschscholzia californica L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  CAS-BOT-BC202773  Euonymus occidentalis H. L. Mason 1925-11-26 2497 Sonoma Near Monte Rio Comment
  RSA90501  Euonymus occidentalis Keith Wagnon 1939-05 220 Sonoma Along Jonive Creek about 1/8 mile NE of Wagnon Ranch, 5 mile W of Sebastopol. Comment
  CAS-BOT-BC202536  Euphorbia Peter Rubtzoff 1986-9-28 9747 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC540835  Euphorbia Peter Rubtzoff 1969-9-21 6185 Sonoma Russian River bottom; Forest Hills, 5.5 mi E of Guerneville Comment
  CDA14276  Euphorbia oblongata P. Lane 1998-6-18 s.n. Sonoma North Coast; Sea Ranch, 42000 Hwy 1 near Jenner. Comment
  UC1299460  Eurybia radulina Freed W. Hoffman 1947-7-30 1409 Sonoma near Guerneville Comment
  SEINET11842305  Euryops pectinatus W. Knight, Knight, I.; Knight, T. 1984-1 5035 Sonoma Petaluma, K-Mart Comment
  CAS-BOT-BC354321  Euthamia occidentalis Peter Rubtzoff 1958-9-6 3987 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCR255032  Festuca Greg de Nevers 1989-1 9068 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC283184  Festuca californica subsp. californica G. DeNevers 1981-5-23 1293 Sonoma Lower Pepperwood entrance, Pepperwood Ranch Comment
  CAS-BOT-BC283193  Festuca californica subsp. californica Mary P. Wells 1984-5-24 276 Sonoma Annadel State Park, Santa Rosa Comment
  UCD65908  Festuca californica subsp. californica H. S. Yates 1934-4-21 3806 Sonoma Near Bodega Port. 7 Comment
  CAS-BOT-BC283186  Festuca californica subsp. californica G. DeNevers 1981-4-25 801 Sonoma Near the main Pepperwood entrance, along the creek runnin past the chicken-goat area, Pepperwood Ranch Comment
  UC38546  Festuca idahoensis F. T. Bioletti 1893-6-10 103 Sonoma Hood's Peak Comment
  CAS-BOT-BC278883  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point - Annapolis Comment
  CAS-BOT-BC376431  Festuca occidentalis Greg de Nevers 1996-5-29 10823 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen. 400 Comment
  UCD66117  Festuca occidentalis Beecher Crampton 1955-6-17 2964 Sonoma 2 miles east of Fort Ross. Comment
  CAS-BOT-BC279078  Festuca rubra Peter Rubtzoff 1951-9-15 758 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC279079  Festuca rubra John Thomas Howell 1944-5-14 19485 Sonoma Between Petaluma and Chileno Valley Comment
  SEINET181249  Filago gallica Bassett Maguire, R Maguire; Maguire 1934-6-7 15312 Sonoma 2 mi N of Kellogg Comment
  RSA285079  Filago pyramidata J. T. Howell 1976-4-26 51595 Sonoma Hills E o Geyserville on road to Geysers Comment
  SEINET11826926  Filago pyramidata var. pyramidata Unknown 1936-1 13100 Sonoma Healdsburg Comment
  CHSC63925  Fragaria chiloensis John Hale 1990-4-12 22 Sonoma 610 m. N. of Stillwater Cove. Meadow. 24 Comment
  UCSB45482  Fragaria vesca Fairbank, K. 1979-3-29 Sonoma 1/2 mile from the intersection of Vine Hill Road and Laguna Road on Vine Hill Road 60 Comment
  UCR248752  Frankenia salina Peter Rubtzoff 1970-5-30 6251 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  CDA43437  Frankenia salina Stephanie Larson 2015-7-21 PDR# 49 UP06191161 Sonoma Near Highway 37. 0 Comment
  UC22602  Fraxinus latifolia H. N. Bolander Jun 1866 Sonoma Cloverdale Comment
  UCD116299  Fremontodendron californicum Roger Raiche 1984-5-4 RR 40133 Sonoma North of Guerneville, Morrison Ridge above Gilliam Creek. Austin Creek Recreational Area, headwaters of East Austin Creek Recreational Area. 182 Comment
  CAS-BOT-BC130357  Fritillaria liliacea Miss. L. S. Huffine 1927-4-1 s.n. Sonoma On road from Occidental to Sebastopol Comment
  CAS-BOT-BC130452  Fritillaria purdyi Milo S. Baker 1926-4-10 163 a-Son.Ser Sonoma The Crater 3 mi. south St. Helena Inn Comment
  CDA30960  Galium bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .358 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  JEPS128307  Galium californicum Roger Raiche 2000-5-28 120 .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
  UCD121741  Galium californicum G. F. Hrusa 1998-6-14 14591 Sonoma Flats on Foote Ranch, immed. N of corner Ida Clayton Rd. and Hwy. 128, Knights Valley. 130 Comment
  UCD160295  Galium californicum James A. Neilson Jr. 1974-5-24 2879 Sonoma Mayacmas Mountains, Geyser Rock, northeast Sonoma County. (Elevation and georeferencing estimated by label maker.) 1127 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
  JEPS52870  Galium californicum subsp. californicum Lauramay T. Dempster and Jean Colton 1963-8-5 3874 Sonoma 2 mi w Cloverdale (on road to Boonville); Alder Glen Springs Comment
  JEPS52888  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3910 Sonoma 1.7 mi n Fort Ross (on bluff overlooking ocean) Comment
  POM63227  Galium divaricatum Michener, Bioletti 1892-7-1 s.n. Sonoma Hood's Peak Comment
  SEINET12271023  Galium divaricatum Unknown 1940-1 1014 Sonoma behind Fountaingrove Vneyard 3 mi N of Santa Rosa along Hwy 101 Comment
  CAS-BOT-BC376310  Galium murale Greg de Nevers 1993-3-30 10338 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At archeology site. 400 Comment
  RSA264738  Galium parisiense Peter Rubtzoff 1970-8-25 6341 Sonoma Austin Creek beach. 0.5 miles N of Cazadero. Comment
  SEINET7067274  Galium parisiense A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  SD58505  Galium porrigens var. porrigens Joseph T. Gregory 1936-3-15 1055 Sonoma East side of Russian River on road from Cloverdale to Hopland, first point north of drinking fountain Comment
  UCD121906  Galium porrigens var. tenue UC Davis Botany 102 Students 1993-4-17 49 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
  RSA264733  Galium trifidum Peter Rubtzoff 1962-10-9 5108 Sonoma Brooks Gulch Marsh. Comment
  RSA264734  Galium trifidum Peter Rubtzoff 1970-6-14 6261 Sonoma On River Road about 3 miles W of Fulton. Comment
  JEPS6458  Galium trifidum var. pacificum Peter Rubtzoff 1951-6-7 127 Sonoma western branch of the upper marsh Pitkin Marsh (near Forestville) Comment
  RSA143954  Galium triflorum Roxana S. Ferris, Laura Lorraine 1961-6-14 13532 Sonoma Joy Road Grade, 1.8 miles from jct. with Bodega Hwy Comment
  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
  JEPS20521  Gamochaeta ustulata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 231 Sonoma Guerneville Russian River, Guerneville Comment
  RSA603802  Gamochaeta ustulata D. D. Keck, Jens Clausen 1935-6-15 3370 Sonoma 1 mile north of Salmon Creek (North of mouth of Salmon Creek.) Comment
  UC1042429  Gamochaeta ustulata Peter Rubtzoff 1951-6-7 137 Sonoma Western branch of Upper Marsh, (near Forestville, in a marshy opening); Pitkin Marsh Comment
  CAS-BOT-BC182160  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley near Chamberlain Place, Kenwood Region Comment
  CDA31007  Garrya fremontii D. G. Kelch, Troy McGregor 2010-8-22 10 .349 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC311825  Gastridium Peter Rubtzoff 1969-8-14 6127 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC278691  Gastridium phleoides Peter Rubtzoff 1956-9-14 2866 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC278687  Gastridium phleoides L. Koch 1938-6-12 312 Sonoma Barbour Home. Ranch four mi. n. of Santa Rosa along Redwood Hgwy. Comment
  SEINET8718700 Image available Gastridium ventricosum Leo Koch 1940-1 837 Sonoma above Sulfur Creek Geysers Comment
  CDA31358  Genista monspessulana D. G. Kelch, Ed Biffin 2010-5-3 10 .205 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  RSA0089559  Genista monspessulana Ann Howald 2015-4-1 3328 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 318 Comment
  SD88311  Geranium core-core Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  CDA36947  Geranium molle CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  CDA34794  Geranium molle Peter Warner 2010-3-29 121 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UCR265127  Geranium purpureum Ann Howald 2015-4-1 3318 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  UCR222558  Geranium robertianum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16239 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  UCD15040  Gilia tricolor James Aronson 1977-4-15 14 Sonoma California, Sonoma Co.; 10.4 miles west of intersection with Dutcher Creek Road, along Skaggs Springs Road; Comment
  SEINET10972190  Githopsis specularioides A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5308 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC303752  Glebionis segetum John Thomas Howell 1930-6-8 5231 Sonoma Bodega Rd 4 miles E of Valley Ford Comment
  SD88302  Glebionis segetum Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  CAS-BOT-BC227664  Glyceria Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  RSA786493  Glyceria declinata Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy 116. Comment
  UCD166292  Glyceria declinata Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  CDA2161  Glyceria declinata H. F. McCracken 1968-4-3 Sonoma Santa Rosa district. 0 Comment
  JEPS78861  Glyceria elata Edward Lee 1936-6-8 2222 Sonoma near Bohemian Grove entrance Comment
  UCR25306  Glyceria elata John C. Roos 1955-7-2 6643 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
  UC1153836  Glyceria leptostachya Beecher Crampton 1955-6-17 2937 Sonoma 0.5 mi s Guerneville Comment
  RSA94258  Glyceria leptostachya Peter Rubtzoff 1951-6-17 285 Sonoma Northern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  SJSU6044  Glyceria occidentalis C. W. Sharsmith 1972-6-24 7800 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  UCR244735  Glyceria occidentalis Peter Rubtzoff 1966-4-30 5687 Sonoma North side of Hwy 116, 0.5 miles northwest of Stony Point Road crossing Comment
  UCD105811  Glycyrrhiza lepidota Freed W. Hoffman 1946-8-16 785 Sonoma Near Guerneville. Gravel bar, Russian River. Comment
  CAS-BOT-BC303863  Gnaphalium Peter Rubtzoff 1971-9-3 6697 Sonoma Spring Creek Reservoir Area Comment
  CAS-BOT-BC302695  Gnaphalium palustre Peter Rubtzoff 1958-7-5 3736 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC166708  Gnaphalium purpureum Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC166709  Gnaphalium purpureum Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake. Comment
  RSA785928  Grindelia Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC305175  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC305200  Grindelia hirsutula D. E. Breedlove 1980-6-27 44780 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC473547  Grindelia hirsutula John Thomas Howell 1930-6-8 5256 Sonoma 1 mi e Bodega Comment
  RSA0001224  Grindelia hirsutula var. brevisquama J. T. Howell 1930-6-8 5221 Sonoma 8 miles w. of Petaluma. Comment
  UCD160836  Grindelia nana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3371 a Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  POM225966  Grindelia stricta var. platyphylla P. A. Munz 1936-8-7 14306 Sonoma 2 miles north of Bodega. Comment
Read comments
Feb 6 2013
  CAS-BOT-BC306770  Helenium bigelovii John Thomas Howell 1947-6-26 23311 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC306861  Helenium bolanderi Paul F. Covel 1938-7-11 1429 Sonoma Coast Rd near Gualala River Comment
  CAS-BOT-BC309584  Helenium puberulum D. E. Breedlove 1961-12-31 1442 Sonoma At S side of mouth of Russian River 6 Comment
  UCD132745  Helenium puberulum P. G. Connors 1991-6-25 182 Sonoma Bodega Head State Park. Comment
  CAS-BOT-BC305580  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  CAS-BOT-BC305967  Helminthotheca echioides Leonore Bravo 1982-9-12 s.n. Sonoma On road to Armstrong Grove, Guerneville Comment
  CAS-BOT-BC305971  Helminthotheca echioides Walter Knight; Irja Knight No date on label 120 Sonoma Blue Bell Lane, Coddingtown Comment
  CAS-BOT-BC173587  Hemizonia Peter Rubtzoff 1969-5-11 6031 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC262968  Hemizonia Peter Rubtzoff 1970-9-3 6379 Sonoma Marsh off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek. Comment
  CAS-BOT-BC268068  Hemizonia Peter Rubtzoff 1971-9-30 6710 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC268069  Hemizonia Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh. Comment
  UCD164541  Hemizonia Peter Rubtzoff 1975-8-15 8323 Sonoma Laguna, Chileno Valley. Comment
  UCD166299  Hemizonia Peter Rubtzoff 1966-6-5 5753 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  POM179723  Hemizonia congesta J. T. Howell 1930-6-8 5216 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  UCR45079  Hemizonia congesta L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UC990631  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-7-10 502 Sonoma hills near Cloverdale Comment
  UC990644  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-9 709 Sonoma 1 mi s Sonoma Comment
  CAS-BOT-BC306160  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  SD62035  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-14 Sonoma East of Santa Rosa. 120 Comment
  JEPS77885  Hemizonia congesta subsp. congesta Edward Lee 1934-4-30 751 Sonoma 1 mi w 2 Rock junction Comment
  CAS-BOT-BC309690  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  JEPS119475  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges: eastern Petaluma Valley, Manor Lane, 0.5 mi north of intersection with Old Adobe Road. Comment
  UC483683  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi e Occidental Comment
  UC89773  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma Lagoon at Sebastapol Comment
  CAS-BOT-BC309708  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 715 Sonoma 2 miles south of Santa Rosa on road to Petaluma Comment
  CAS-BOT-BC309709  Hemizonia congesta subsp. lutescens James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  CAS-BOT-BC309721  Hemizonia congesta subsp. lutescens J. Clausen 1932-9-20 719 Sonoma South of Santa Rosa Comment
  CAS-BOT-BC309731  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-5-28 s.n. Sonoma About 1 mile west of Santa Rosa Comment
  UC1518544  Hemizonia congesta subsp. lutescens Craig D. Thomsen 1976-6-27 247 Sonoma watershed of Estero de San Antonio Estero De San Antonio Comment
  UC295871  Hemizonia congesta subsp. lutescens H. M. Hall 1924-8-13 12101 Sonoma 4 km s Santa Rosa (along road to Petaluma) Comment
  JEPS41000  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 mi ne Penngrove 426 Comment
  UCD133003  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles northeast of Penngrove. 426 Comment
  UCD55333  Hemizonia congesta subsp. luzulifolia Ellen Dean 2006-6-28 3177 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  UCR233088  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2806 Sonoma North Coast Ranges, Sonoma Valley, Glen Ellen area, entrance road to Sonoma Valley Regional Park, 0.1 mi. west of Hwy 12 110 Comment
  CAS-BOT-BC309951  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S. of Geysers Comment
  UCD132141  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1994-7-5 1940 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, W of Bear Creek along Goodspeed Trail just as the vegetation shifts from mixed evergreen forest to serpentine chaparral. 536 Comment
  CDA20440  Hemizonia fitchii McArthur 2002-9-4 PDR P 092053 Sonoma Northern California; State park in the vicinity of Kenwood. 0 Comment
  POM215135  Hemizonia fitchii D. D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville. Comment
  POM181139  Hemizonia lutescens J. T. Howell 1930-7-27 5409 Sonoma 8 miles south of Fort Ross Comment
  SEINET11842304  Hemizonia lutescens W. Knight, Knight, I.; Knight, T. 1984-1 5038 Sonoma Royal Oaks Mobilehome Park, North McDowell Blvd, Petaluma Comment
  RSA81564  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-8-9 714 -A Sonoma 4.5 miles S of Santa Rosa. Comment
  RSA81662  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1910-6-8 s,n, Sonoma Valley across hills from Petaluma. Comment
  JEPS29497  Hesperevax sparsiflora var. sparsiflora W. L. Jepson 1921-6-3 9306 Sonoma s Santa Rosa (near Wilfred Station, in a flat in the Cotati Valley, on the Northwestern Pacific Ry); Cotati Valley 28 Comment
  UC581116  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8082 Sonoma Jensen's Ranch; Dohrmann Creek Comment
  UCR261633  Hesperevax sparsiflora var. sparsiflora Ann Howald 2003-5-15 2334 B Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek 151 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
  CAS-BOT-BC176030  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma Southwest slope of Hood Mt. above Baker Ranch 213 Comment
  CDA28491  Hesperolinon micranthum D. G. Kelch 2007-5-13 7 .295 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UC903740  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma s slope of mountain above Baker Ranch; Inner North Coast Ranges, Hood Mt. 213 Comment
  JEPS82314  Hesperolinon spergulinum Roger Raiche 1983-6-19 30411 Sonoma The Cedars; slopes of Red Slide Creek 243 Comment
  UC1212384  Hesperolinon spergulinum Helen K. Sharsmith 1947-5-30 3967 Sonoma 2 mi e Occidential (Harrison Grade); Inner North Coast Ranges 213 Comment
  CAS-BOT-BC149831  Heteromeles arbutifolia Ynez Whilton Winblad 1941-6-20 s.n. Sonoma Between Ukiah and Santa Rosa, Highway 101 Comment
  CAS-BOT-BC251213  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC311059  Heterotheca oregona var. oregona Greg de Nevers 1992-7-25 10229 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Mark West Creek 304 Comment
  CAS-BOT-BC424180  Heuchera micrantha var. erubescens Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC858023  Heuchera micrantha var. erubescens Alice Eastwood 1915-6-5 4577 Sonoma Petrified Forest Comment
  UC858024  Heuchera micrantha var. erubescens Eliz. Parsons Hauver June 1915 Sonoma Skaggs Springs Comment
  UC496422  Heuchera micrantha var. erubescens Merle Randall 1930-6-7 Sonoma Redwood Forest Comment
  SEINET12216686  Heuchera pilosissima F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -153 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  CAS-BOT-BC319711  Hieracium albiflorum Rimo Bacigalupi 1926-5-2 1390 Sonoma Cazadero 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
  RSA0025690  Hierochloe occidentalis John F. Emmel 1989-12-3 1141 Sonoma 0.3 air mi WSW of Plantation, near NE boundary of Salt Point State Park. 183 Comment
  CAS-BOT-BC123631  Hoita macrostachya Amos Arthur Heller 1902-6-24 5761 Sonoma Near Burke's Sanitarium Comment
  CDA30998  Hoita macrostachya D. G. Kelch, Troy McGregor 2010-8-22 10 .351 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  POM252698  Hoita macrostachya Michener, Bioletti 1893-7-31 2504 Sonoma Adobe Canyon Comment
  RSA0009726  Hoita macrostachya Marcus E. Jones 1931-7-5 28969 Sonoma West of Cloverdale. Comment
  RSA144370  Holcus lanatus Roxana S. Ferris, Laura Lorraine 1961-6-14 13543 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UC1056243  Holcus lanatus Virginia E. Long 1930-9-13 6 a Sonoma about 10 mi n Cloverdale Comment
Read comments
Aug 15 2010
  CAS-BOT-BC152386  Holodiscus discolor var. discolor Mary P. Wells 1984-5-24 277 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC152393  Holodiscus discolor var. discolor Peter Rubtzoff 1952-6-13 1255 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  JEPS128301  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-11 019 .10 Sonoma The Cedars, across from Magazines. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS83654  Holodiscus dumosus var. cedrorum R. Raiche 1987-5-20 70194 Sonoma N of Cazadero, The Cedars, Big Austin Creek. drainage, near site of Layton Mine processing bldgs. Comment
Read comments
Sep 6 2011
  CAS-BOT-BC315813  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  UC1002647  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Ranch, Kenwood Coney Lake 365 Comment
  UCD148362  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC289295  Hordeum brachyantherum subsp. brachyantherum G. DeNevers 1981-5-9 1025 Sonoma At the Red Corral, McCann Homestead, Pepperwood Ranch Comment
  CHSC8222  Hordeum murinum subsp. glaucum K. Henegar 1969-5-10 46 Sonoma Schooner Gulch, 200 yds s on Highway 1. Found on ocean side of road. Comment
  CAS-BOT-BC282022  Hordeum murinum subsp. leporinum Peter Rubtzoff 1959-6-6 4100 Sonoma Willow Crane Marsh Comment
  POM205106  Hordeum murinum subsp. leporinum A. A. Heller 1902-4-11 5278 Sonoma Bodega Bay. Comment
  CAS-BOT-BC273543  Hordeum vulgare David L. Morgan 1956-5-18 s.n. Sonoma On State Highway #12, 5.4 mi. S. of Santa Rosa city limits Comment
  POM34931  Horkelia californica Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  SD56711  Horkelia californica Darley F. Howe 1963-8-1 Sonoma 2.2 mi. no. of Jenner on #1 Comment
  UCD113399  Horkelia californica B. Crampton 1957-7-22 4376 Sonoma Along State Hwy. 1, 0.9 miles south of Stewart's Point. Comment
  JEPS78465  Horkelia tenuiloba Edward Lee 1936-6-7 Sonoma Near Highpoint (on the fire trail); Bohemiam Grove Comment
Read comments
Dec 10 2008
  UC1085322  Horkelia tenuiloba J. Powell 1957-5-25 Sonoma 4 mi w Plantation Comment
  UC75491  Horkelia tenuiloba Milo S. Baker May 1899 Sonoma near the Laguna (Forestville Rd); Forestville Comment
  UCD113462  Horkelia tenuiloba G. F. Hrusa 1989-6-4 7187 Sonoma Headwaters of Agua Caliente Creek. NW exposure, just below summit. Comment
  UCD106071  Hosackia crassifolia R. H. Neuns 1950-5-8 109 Sonoma Nine miles west of Cloverdale. Comment
  UCD106023  Hosackia gracilis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  SEINET957970  Hosackia oblongifolia L. S. Rose 1962-1 62062 Sonoma 1 mi. NW of Freestone. 76 Comment
  CDA1446  Hydrilla verticillata Brad Oliver 1984-9-2 Sonoma Spring Lake Park, Santa Rosa. 0 Comment
  UCD128230  Hydrocotyle ranunculoides David E. Bayer 1960-9-29 s. n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC540825  Hypericum Peter Rubtzoff 1969-7-21 6115 Sonoma Guerneville Marsh, Pocket Canyon area. Comment
  CAS-BOT-BC400997  Hypericum anagalloides Peter Rubtzoff 1954-7-29 1610 Sonoma Guerneville Marsh Comment
  UCD110333  Hypericum anagalloides Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1971-7-21 158 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCSB4120  Hypericum anagalloides Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; NW of Sebastopol; 1 mi north of Sousa Corners 60 Comment
  UCD53888  Hypericum calycinum Dorothy Kleinschmidt 2005-9-4 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC410819  Hypericum concinnum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC410820  Hypericum concinnum Volney Rattan 1877-1-1 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC401323  Hypericum scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC210083  Hypochaeris glabra Peter Rubtzoff 1974-5-18 7437 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  SBBG8489  Hypochaeris radicata H. and M. Dearing 1939-4-29 3224 Sonoma 4 mi N of San Rafael Comment
  POM118406  Iris Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  JEPS76919  Iris douglasiana Robert M. Lloyd 1963-2-24 2059 Sonoma 4 mi s State Highway 12 (on State Highway 1) 15 Comment
  UC1084479  Iris douglasiana G. Thomas Robbins 1938-4-15 252 Sonoma about 2.5 mi e Bodega Comment
  UC571178  Iris douglasiana H. L. Mason Jun 1930 5662 Sonoma Mouth of Gualala River Comment
  SEINET10529079  Iris douglasiana R. D. Sage 1992-1-10 Sage 13411 -1 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw occidental. Comment
  SEINET10899984  Iris douglasiana R. D. Sage 1992-1-10 Sage 13411 -2 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw of occidental. Comment
  UCD138714  Iris douglasiana Nicholas Foulder 1982-5-22 49 Sonoma 2 miles south Campmeeke on Highway 4 (Bohemian). Comment
  JEPS128343  Iris macrosiphon Roger Raiche 2000-4-7 021 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  UCSB890  Iris macrosiphon Keator, Glenn 1959-4-2 Sonoma 1.2 miles east; on Cavedale road and 2.3 miles from Agua Caliente Comment
  RSA152560  Iris missouriensis H. N. Metcalf 1962-5-6 s.n. Sonoma West of Two Rock on Two Rock - Fallon Road Comment
  CAS-BOT-BC376226  Isoetes Greg de Nevers 1993-2-14 10312 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Bald Hills 304 Comment
  UCD166138  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC164686  Isoetes Peter Rubtzoff 1971-9-30 6714 Sonoma Spring Creek Reservoir area. Comment
  UCR224691  Isolepis carinata Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  UCD166263  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles East of Guerneville, along Russian River at Forest Hills. Comment
  CAS-BOT-BC101889  Juglans californica Peter Rubtzoff 1986-8-31 9736 Sonoma On river bank off Summerhome Park Road 0.2 mile west of Forest Hills Road Comment
  CAS-BOT-BC101969  Juglans hindsii Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 5071 Sonoma 1/10 mile south of Petaluma Ave. on Arnold Drive, El Verano Comment
  RSA790005  Juncus Walter Knight, I. Knight 1968-1-1 2266 Sonoma Geyser Resort. Along geyser trail at creek edge. Comment
  SEINET6877095  Juncus bufonius W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  RSA94318  Juncus bufonius var. bufonius Peter Rubtzoff 1951-7-14 445 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  UCD141419  Juncus capitatus Frederica Bowcutt 1984-6-23 431 b Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove. 30 Comment
  CAS-BOT-BC157996  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5902 Sonoma Lichan Marsh Comment
  UCD144658  Juncus effusus subsp. pacificus Frederica Bowcutt 1994-5-1 1781 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco,10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Campground S of Sonoma Creek about 150 yards. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UCD160827  Juncus effusus subsp. pacificus James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3436 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC164050  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-9-3 6693 Sonoma Sonoma: At edge of springy area along southeastern border of Spring Creek Reservoir Comment
  UCR244626  Juncus hesperius Peter Rubtzoff 1969-8-14 6137 Sonoma Coleman Marsh 269 Comment
  POM261452  Juncus kelloggii Alice Eastwood, John Thomas Howell 1940-5-5 7866 Sonoma Summit of Bennett Valley Road. Comment
  RSA0031403  Juncus lescurii Peter Rubtzoff 1954-7-26 1554 Sonoma Coleman Marsh. Comment
  JEPS67108  Juncus occidentalis W. L. Jepson 1921-6-2 9299 Sonoma w of Windsor Comment
  JEPS121418  Juncus xiphioides Peter F. Zika 2012-6-30 25944 Sonoma Pepperwood Preserve, near Dwight Center, 3 air miles SE of Bald Hills, Mayacmas Mountains Comment
  RSA45356  Keckiella corymbosa R. C. Bacigalupi 1947-8-17 2850 Sonoma On dirt road just above and east of Cazadero, (County road to Guernewood Park), in canyon of Austin Creek. Comment
  UC169319  Keckiella corymbosa Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6009 Sonoma Austin Creek Comment
  CAS-BOT-BC320561  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA0022379  Kickxia elatine Peter Rubtzoff 1970-7-11 6281 Sonoma Laguna de Santa Rosa northwest of Trenton, at Healdsburg Road crossing. Comment
  CAS-BOT-BC273782  Koeleria pyramidata John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53998 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC376338  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  RSA0065154  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  CAS-BOT-BC166951  Lagophylla Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  SJSU9868  Lagurus ovatus S. H. Casey 1969-5-13 238 Sonoma 3 mi N of Stewarts Point Comment
  CAS-BOT-BC257694  Lamium Peter Rubtzoff; Paul But 1974-4-6 7359 Sonoma Along roadside at the border of the Forestville Marsh. Comment
  UCD125082  Lamium amplexicaule A. A. Heller 1902-6-7 5658 Sonoma Near Santa Rosa. Comment
  SD56365  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma Near Sebastopol Comment
  JEPS83490  Lasthenia burkei Jack and Betty Guggolz 1985-4-29 827 702 B Sonoma almost exactly 1.0 mi e of the e side Sebastapol (across the fence w from the duck pond, on the Carinelli Property, Llano de Santa Rosa Rancho) Comment
  JEPS86318  Lasthenia burkei Jack and Betty Guggolz 1988-5-2 922 Sonoma w side Abramson Lane (about 0.25 mi s of its sharp turn to the w) Comment
  JEPS86321  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 914 Sonoma Comment
  CAS-BOT-BC346328  Lasthenia californica A. A. Heller; H. E. Brown 1902-4-15 s.n. Sonoma Santa Rosa Creek 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-BC346329  Lasthenia californica John H. Thomas 1976-6-15 18305 Sonoma Southern end of Sea Ranch, NW part of county, about 7 miles south of Gualala Comment
  UCSB50244  Lasthenia chrysostoma John Gray 1976-5-1 8 Sonoma collected in the bluffs at Duncan's Landing, in the Sonoma Coast Beaches Duncan's Landing, and Sonoma Coast Beaches 15 Comment
  CAS-BOT-BC355518  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 miles south of El Verano on Arnold Drive Comment
  CAS-BOT-BC355519  Lasthenia glaberrima John Thomas Howell 1935-5-5 12604 Sonoma Near Kenwood Comment
  CAS-BOT-BC355520  Lasthenia glaberrima John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54020 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC355530  Lasthenia glaberrima Peter Rubtzoff 1966-4-17 5676 Sonoma Laguna de Santa Rosa, east of Gradon (between Occidental and Guerneville rds.) Comment
  UC2061430  Lasthenia gracilis Rachael L. Olliff Yang 2017-5-2 20 Sonoma Pepperwood Preserve, Double ponds area, about 200 m North of the road. Comment
  SD241760  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 miles south of Jenner, on bluffs overlooking the ocean. Comment
  CAS-BOT-BC164661  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park. Comment
  CAS-BOT-BC164693  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  CAS-BOT-BC164390  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD166119  Lathyrus Peter Rubtzoff 1972-5-25 6769 Sonoma Laguna, Chileno Valley. Comment
  UCR218646  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2010-6-4 16211 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  UCD33093  Lathyrus sphaericus Beecher Crampton 1966-5-10 7723 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  CDA11333  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma North Coast Biodiversity Arena; Franz Valley Rd. approx 3 m. W of Knights Valley intersection with Hwy. 128. Comment
  UCD106476  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma Franz Valley Rd. approx 3 m. W of Knights Valley intersection with Hwy. 128. Comment
  UCD167407  Lathyrus vestitus James Neilson 1977-3-25 3850 Sonoma Mayacmas Mountains, Pine Flat Rd ca. 2 miles south of PG and E storage yard at Pine Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET12165541  Lathyrus vestitus subsp. bolanderi F. H. Utech 1986-1 86 -119 Sonoma ca 6 mi NE on Cavedale Road 600 Comment
  UCD106534  Lathyrus vestitus var. ochropetalus Beecher Crampton 1959-6-16 5404 Sonoma 1 mile south of the town of Bodega Bay. Comment
  UC1537075  Layia chrysanthemoides Gordon H. True Jr. 1938-4-13 862 Sonoma near Sonoma 60 Comment
  CAS-BOT-BC321725  Layia gaillardioides David D. Keck; J. Clausen 1935-6-15 3379 Sonoma Russian River, 3 mi above mouth. Comment
  UCSB50243  Layia platyglossa Gray, John 1976-5-1 Sonoma Bluff above Blind Beach, Sonoma Coast State Beach, 1/2 mile west of Highway 1; T7N R11W 60 Comment
  UC353802  Ledum glandulosum Milo S. Baker 1928-4-28 3009 b Sonoma Pitkin Swamp Comment
  CAS-BOT-BC176127  Leersia Peter Rubtzoff 1970-9-2 6358 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC210094  Lemna Peter Rubtzoff 1965-10-10 5653 Sonoma Stony Point Marsh. Comment
  UCD148504  Lemna Peter Rubtzoff 1965-11-9 5668 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC210096  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  CAS-BOT-BC210100  Lemna gibba Peter Rubtzoff 1966-6-27 5771 Sonoma Santa Rosa Creek area, ca. 1 mi. E of the Laguna de Santa Rosa. Comment
  CAS-BOT-BC154155  Lemna minima Peter Rubtzoff 1965-11-9 5667 B Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  UCR254446  Lemna minima Peter Rubtzoff 1961-10-17 4769 Sonoma Cunningham Marsh [near 1460 Big Cedar Lane, Sebastapol, CA] 38 Comment
  CAS-BOT-BC344881  Lemna minor Peter Rubtzoff 1962-8-24 5067 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC534366  Lemna minor Greg de Nevers 1995-4-5 10712 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCD148503  Lemna minor Peter Rubtzoff 1965-11-9 5669 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC527277  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  RSA0065913  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC339165  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-8 394 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC89151  Lepidium didymum Katharine Brandegee 1905-6-1 s.n. Sonoma Bodega. Comment
  HSC6827  Lepidium nitidum R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1342 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Comment
  UC72927  Lepidium nitidum Milo S. Baker 1898-2-19 714 Sonoma ne of Santa Rosa Comment
  CAS-BOT-BC12660  Lepidium nitidum A. A. Heller 1902-3-14 5054 Sonoma Santa Rosa. Comment
  RSA262193  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-9-2 6354 Sonoma Russian River bottom at Mirabel Park. Comment
  RSA262194  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-7-17 6284 Sonoma 5 miles north of Sears Point. Comment
  CHSC23086  Leptosiphon androsaceus Robert A. Schlising 1962-3-31 2128 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road into Sugarloaf Ridge. Comment
  HSC16952  Leptosiphon androsaceus R. F. Good 1962-4-19 28 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  CAS-BOT-BC361344  Leptosiphon harknessii Greg de Nevers 1997-4-24 10968 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC376328  Leptosiphon jepsonii Greg de Nevers 1995-4-26 10713 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By barn. 400 Comment
  CHSC117133  Leptosiphon jepsonii Estelle P. Clifton 2016-4-16 Sonoma 4611 Porter Creek Road, Santa Rosa, CA 95404 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
  SEINET4437333 Image available Lessingia bicolor A. A. Heller 1902-1 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC324188  Lessingia hololeuca W. Spence 1960-9-13 630 Sonoma 2 miles south of Monte Rio on road to Camp Meeker and Occidental Comment
  CAS-BOT-BC324189  Lessingia hololeuca Walter Knight; Irja Knight 1963-9-11 409 Sonoma Chileno Valley Comment
  CAS-BOT-BC341995  Lessingia ramulosa A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  UCR255049  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD92466  Leymus X vancouverensis Beecher Crampton 1959-6-16 5402 Sonoma Doran Park, south end of Bodega Bay. Comment
  UCD61317  Leymus californicus G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3229 Sonoma Bodega Canyon Road, 2.5 miles west of Bodega. Comment
  UCD64309  Leymus condensatus P. B. Kennedy 1924-6-1 Sonoma Del Mar. Comment
  UCD150275  Leymus triticoides M. Lennox; D. Curle 2011-12-7 PDR 146599 8 Sonoma Petaluma. Comment
  CAS-BOT-BC371446  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, between Cresta and second bridge below Mark West Lodge. 400 Comment
  RSA0045174  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge. 100 Comment
  CAS-BOT-BC451702  Lilaea scilloides Lewis S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa, 1/2 mi. e of Cunningham 15 Comment
  RSA178033  Lilaea scilloides Robert F. Thorne 1965-4-19 34275 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UC173370  Lilaeopsis occidentalis Katharine Brandegee June 1905 Sonoma Bodega Head Comment
  CAS-BOT-BC130694  Lilium occidentale Peter Rubtzoff 1951-7-28 567 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC130696  Lilium occidentale Peter Rubtzoff 1951-7-22 538 Sonoma Northern half of Lower Marsh Comment
  UC3723  Lilium pardalinum F. T. Bioletti 1892-1 Sonoma Point Arena Comment
Read comments
Oct 18 2008
  UC496430  Lilium rubescens Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  RSA79068  Limnanthes douglasii subsp. douglasii E. K. Balls, Lee W. Lenz 1952-5-8 17115 Sonoma 0.1 mi. from Kellogg, jct. of road from Mark West Springs with Hwy. 29. 61 Comment
  JEPS83497  Limnanthes vinculans Jack and Betty Guggolz 1985-4-29 700 BG Sonoma Draper Horse Ranch; duck pond Comment
  UCD150131  Limnanthes vinculans Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  UCR279857  Limosella acaulis Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  JEPS46296  Linanthus androsaceus Eleanor Armstrong 1933-4-15 719 Sonoma Camp Meeker 45 Comment
  UC496363  Linanthus androsaceus Merle Randall 1930-6-2 Sonoma near Cazadero (Christopher Ranch) Comment
  UC908797  Linanthus androsaceus Herbert L. Mason 1928-4-8 4289 Sonoma 2 mi n Fort Ross 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
  UC30163  Linanthus dichotomus W. H. Brewer 1862-4-18 969 Sonoma near Sonoma Comment
  UC908781  Linanthus jepsonii Herbert L. Mason 1928-4-13 4334 Sonoma Reibli School, near springs Comment
  UC23768  Linanthus parviflorus Willis L. Jepson 1893-5-1 Sonoma Knights Valley grade Napa River Basin Comment
  CAS-BOT-BC290596  Linaria Peter Rubtzoff 1987-9-27 9856 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC290635  Linum Peter Rubtzoff 1974-6-2 7522 Sonoma Upper Green Valley Marsh. Comment
  NY388357  Linum spergulinum H. N. Bolander 06 1867 s.n. Sonoma Cloverdale Comment
  CHSC114678  Linum trigynum Peter Warner 2010-5-16 167 Sonoma Jenner Headlands, Knoll Field, 203m, s244 deg. W of residence house, on S-facing slope of knoll in coastal grassland. UTM 10S: 489308E, 4256990N 230 Comment
Read comments
May 27 2016
  UCR265120  Lithophragma affine Ann Howald 2015-4-1 3315 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  UC11905  Lithophragma bolanderi F. T. Bioletti 1892-1 Sonoma Sonoma (?) Comment
  UCD102737  Lithophragma heterophyllum M. Wiesendanger 1927-5-5 735 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC437152  Lithophragma heterophyllum Elmer I. Applegate 1934-3-25 8844 Sonoma Sausal Creek, Pine Flat road, foothills of the Cayamaca Mountains Comment
  CAS-BOT-BC361326  Livistona Greg de Nevers 1997-8-19 11082 Sonoma Santa Rosa, Peterson Lane Comment
  SEINET11991946  Lobularia maritima W. Knight, Knight, T. 1984-1 5033 Sonoma purchased at K-Mart, Petaluma Comment
  JEPS128242  Logfia filaginoides Roger Raiche 2000-5-4 077 .00 Sonoma The Cedars. Promentory, Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  UCD167965  Logfia gallica James Neilson 1977-6-12 3920 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  CAS-BOT-BC283282  Lolium multiflorum John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  SEINET7067344  Lomatium californicum A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles east of Windsor on Porter Creek Road. Coordinate datum: NAD27. UTM Zone 10, 526145mE, 4266921mN. Comment
  UCD55147  Lomatium californicum Ellen Dean; Tammie Beyerl 2006-4-28 3029 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 254 Comment
  SD99412  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Road, 9.3 miles west of Geyersville 89 Comment
  RSA97148  Lomatium caruifolium F. W. Peirson, Mabel Peirson 1926-4-1 6548 Sonoma 6 miles south of Cloverdale Comment
  CHSC114316  Lomatium dasycarpum D. G. Kelch; A. G. Murdock, Ben Carter 2007-5-13 07 .271 Sonoma Cavedale Rd. 518 Comment
  SEINET191592  Lomatium dasycarpum Lewis S. Rose 1941-5-22 31247 Sonoma Rincon Ridge, 4 mi E of Santa Rosa 122 Comment
  UC1123015  Lomatium dasycarpum subsp. dasycarpum H. S. Yates 1934-4-21 3830 Sonoma 2 mi. n. County Farm; Santa Rosa Quad. Comment
  RSA0051266  Lomatium hallii Greg de Nevers 1993-5-10 10443 Sonoma Harrison Grade. 182 Comment
  UCD167357  Lomatium marginatum James Neilson 1982-6-8 4079 Sonoma Mayacmas Mountains. East of Castle Rock Springs Camp. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC217812  Lomatium repostum Alice Eastwood; John Thomas Howell 1940-5-5 7862 Sonoma Rincon Ridge near Santa Rosa Comment
  RSA177956  Lomatium repostum R. F. Thorne 1965-4-20 343226 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UCR265238  Lomatium utriculatum Ann Howald 2015-4-28 3379 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  CAS-BOT-BC240643  Lonicera hispidula Peter Rubtzoff 1952-6-13 1253 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC244003  Lonicera involucrata var. ledebourii A. A. Heller; H. E. Brown 1902-3-10 5015 Sonoma Hills east of Santa Rosa Comment
  UC75667  Lonicera involucrata var. ledebourii Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC293679  Lotus Peter Rubtzoff; Nancy Harrison 1974-9-7 7870 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  CAS-BOT-BC300483  Lotus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  UC424790  Lotus aboriginus unknown Apr 1930 4846 b Sonoma near Plantation Comment
  RSA22095  Lotus angustissimus Alice Eastwood, John T. Howell 1938-7-11 6267 Sonoma Near Stillwater Cove Comment
  CDA31015  Lotus crassifolius D. G. Kelch, Troy McGregor 2010-8-22 10 .346 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  RSA710821  Lotus formosissimus G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast: Salt Point State Park. 30 Comment
  UC555528  Lotus formosissimus H. L. Mason 1928-4-8 4281 Sonoma Fort Ross Comment
  SEINET11071689 Image available Lotus formosissimus A. A. Heller 1902-4-18 5332 Sonoma near Windsor Comment
  SEINET7067239  Lotus heermannii A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  SEINET7075495  Lotus humistratus 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
  CDA36838  Lotus micranthus 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
  SEINET7042389  Lotus micranthus A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  SEINET12154225  Lotus nevadensis var. douglasii Unknown 1936-1 13109 Sonoma nr Healdsburg Comment
  JEPS55893  Lotus scoparius W. L. Jepson 1923-6-28 10007 Sonoma Sonoma Canyon Kenwood 243 Comment
  HSC49288  Lotus scoparius J. P. Smith, J. O. Sawyer 1977-6-5 2878 Sonoma Along Arnold Rd. at jct. with State Route 12. Comment
  UC424867  Lotus stipularis var. stipularis Milo S. Baker Jun 1929 3573 c Sonoma near Vine Hill School House Comment
  CDA4158  Lotus tenuis A. C. Browne 1953-5-27 Sonoma Black Point Cut-off. 0 Comment
  CHSC20629  Lotus uliginosus Robert A. Schlising; G. Keator 1963-7-27 2632 Sonoma California Coastal Range. On east side of Bodega Peninsula. Comment
  RSA31784  Lotus unifoliolatus A. A. Heller 1938-8-11 15321 Sonoma Knights Valley Comment
  CDA9765  Ludwigia grandiflora subsp. hexapetala Erik Hawk 2007-10-1 s.n.-LWA Sonoma Wildlife Area, between Guerneville Rd. and Occidental Rd., Laguna de Santa Rosa. Comment
  UCD65848  Ludwigia hexapetala B. J. Grewell 2006-8-23 06- 49 -LU Sonoma Russian River watershed, Russian River at Washington School Road summer water crossing, Asti. Collection downstream of low water bridge, east bank. 69 Comment
  CAS-BOT-BC376292  Ludwigia palustris Greg de Nevers 1992-6-26 10206 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In oxbow of Franz Creek 91 Comment
  CAS-BOT-BC251071  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-2 1628 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC157696  Ludwigia peploides Peter Rubtzoff 1955-8-21 2091 Sonoma Vacation Beach, near Guerneville along Russian River, below the dam. Comment
  RSA790998  Ludwigia peploides Peter Rubtzoff 1961-8-24 4711 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  CAS-BOT-BC157979  Ludwigia peploides Peter Rubtzoff 1958-9-6 3969 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road) Comment
  SEINET12164398  Lupinus albifrons F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -104 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  SEINET5327629  Lupinus albifrons A. A. Heller, H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood. Comment
  UC157780  Lupinus albifrons H. P. Chandler 1907-4-21 7530 Sonoma road from Glen Ellen to Oakville; rd fr Glen Ellen to Oakville Comment
  CAS-BOT-BC195978  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 miles west Comment
  CAS-BOT-BC195979  Lupinus albifrons var. albifrons Alice Eastwood 1893-4-27 s.n. Sonoma Hood Mt. Comment
  CAS-BOT-BC195983  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1938-5-15 5514 Sonoma Near Mark West Springs Comment
  UC725889  Lupinus albifrons var. albifrons A. A. Heller 1940-5-17 15632 Sonoma about 2 mi e Bodega Bay; e of Bodega Bay Comment
Read comments
Jan 27 2007
  CHSC33094  Lupinus bicolor Jane A. Rogers 1979-4-14 4 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  UC126967  Lupinus bicolor Willis L. Jepson 1893-5-3 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena (foot of grade) Comment
  RSA105076  Lupinus bicolor subsp. tridentatus Alice Eastwood 1921-4-24 10269 Sonoma Santa Rosa Comment
  POM66231  Lupinus densiflorus var. densiflorus Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma Comment
  UC201962  Lupinus formosus Milo S. Baker May 1899 Sonoma on Occidental Road Green Valley near Gallager's Green Valley Comment
  SD125495  Lupinus formosus var. formosus D. B. Dunn, Conrad and Ledoux 1973-6-9 20712 Sonoma 5.3 miles east of the Junction of Highway 101 and Highway 116 on 116. Comment
  SEINET12165889  Lupinus micranthus F. H. Utech 1988-1 88 -196 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh and adjoining meadows 10 Comment
  UC501357  Lupinus microcarpus var. densiflorus H. E. and S. T. Parks 1930-5-9 600 Sonoma w end Knights Valley; w end of Knights Valley Comment
  UCD108752  Lupinus microcarpus var. densiflorus R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC8457  Lupinus microcarpus var. microcarpus Marcus Eugene Jones 1882-7-17 3329 Sonoma Duncan's Mills Comment
  SD88508  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-29 Sonoma North of Jenner Comment
  SDSU4969  Lupinus microcarpus var. microcarpus D. F. Howe 1966-6-2 4263 Sonoma 0.5 miles south of Bodega Bay. Comment
  OBI48720  Lupinus nanus Joseph Andorfer Ewan 1935-5-13 9253 Sonoma Wright School on the Sebastopol rd Comment
  SEINET5558926  Lupinus nanus H. S. Gentry 1962-1 19702 Sonoma Oakville. Comment
  RSA0023080  Lupinus nanus subsp. nanus Peter Rubtzoff 1974-5-18 7411 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC73201  Lupinus pachylobus Milo S. Baker 1898-4-20 631 Sonoma Taylor Mt. Comment
  CAS-BOT-BC320548  Lupinus polycarpus Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC210022  Luzula Peter Rubtzoff 1962-4-11 4793 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) Comment
  CAS-BOT-BC210067  Luzula Peter Rubtzoff 1963-5-26 5135 Sonoma Bennett Mountain Lake Comment
  RSA177992  Luzula comosa Robert F. Thorne 1965-4-19 34298 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CHSC20576  Luzula macrantha Robert A. Schlising 1962-3-31 2129 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  RSA0015996  Lythrum hyssopifolia Peter Rubtzoff 1954-8-10 1683 Sonoma Bodega Head Marsh. Comment
  RSA94298  Lythrum hyssopifolia Peter Rubtzoff 1951-8-18 621 Sonoma Uppermost part of the western branch of the upper. Comment
  UCD103014  Lythrum hyssopifolia Frederica Bowcutt 1994-5-21 1839 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-BC166731  Madia Peter Rubtzoff 1964-5-31 s.n. Sonoma Along Russian River at Fitch Mtn. Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC342610  Madia Peter Rubtzoff 1983-8-28 9675 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC344050  Madia elegans John Thomas Howell 1930-7-13 5341 Sonoma Black Point Road Comment
  UC584182  Madia elegans J. Clausen 1935-5-24 1081 Sonoma 2 mi w Monte Rio (on the road to Jenner) Comment
  UCD134197  Madia elegans K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  POM215201  Madia elegans subsp. densifolia D. D. Keck 1933-11-6 2646 Sonoma 1 mile north of Freestone on road to Occidental Comment
  JEPS128198  Madia exigua Roger Raiche 2000-5-4 074 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  POM194541  Madia exigua Y. Mexia 1929-6-2 2391 Sonoma Near Mark West Springs Comment
  JEPS128310  Madia gracilis Roger Raiche 2000-5-27 106 .00 Sonoma The Cedars, road into The Cedars at bridge (before 2nd crossing. Lower Russian River, Big Austin Creek watershed. Comment
  UCR218636  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16225 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-BC157678  Madia sativa Peter Rubtzoff 1962-8-24 5066 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC345202  Madia sativa Alice Eastwood 1921-5-8 10445 Sonoma Petaluma Comment
  CAS-BOT-BC345222  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  UC75904  Madia sativa Miss M. Alice King June 1897 Sonoma near Healdsburg Comment
  UC830910  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa Comment
  CAS-BOT-BC345207  Madia sativa James I. McMurphy 1909-8-8 702 Sonoma Leddy, electric r.r. station between Santa Rosa & Sebastopol Comment
  CAS-BOT-BC345255  Madia sativa Peter Rubtzoff 1951-8-4 580 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  RSA786498  Madia sativa Peter Rubtzoff 1971-6-30 6582 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 mi west of Arnold Drive. 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
  UCSB708  Maianthemum racemosum Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits of Camp Meeker Comment
  CAS-BOT-BC347362  Malacothrix floccifera A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  POM187938  Malacothrix floccifera Marcus E. Jones 1931-8-3 29094 Sonoma Cloverdale. Comment
  CAS-BOT-BC540134  Malus domestica Peter Rubtzoff 1955-4-9 1771 Sonoma Forested slope near Occidental-Graton Road, 1/4 mile northest of Occidential-Camp Meeker Road (Occidental region). Comment
  CAS-BOT-BC540136  Malus domestica Peter Rubtzoff 1952-5-31 1102 Sonoma Area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  UCD148398  Marah fabacea Peter Rubtzoff 1957-5-4 3312 Sonoma Duncans Mills Marsh area. Comment
  CDA34793  Matricaria discoidea Peter Warner 2010-3-29 120 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  CAS-BOT-BC348311  Matricaria occidentalis Peter Rubtzoff 1974-5-19 7446 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  CAS-BOT-BC262977  Medicago Peter Rubtzoff 1968-8-31 5945 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC269517  Melica californica A. A. Heller 1902-4-4 5315 Sonoma Hills near Santa Rosa Comment
  UCD87211  Melica californica R. Tofsrud 1941-4-1 293 Sonoma Pasture hills above Russian Gultch. Comment
  CAS-BOT-BC281273  Melica geyeri Peter Rubtzoff 1952-6-10 1202 Sonoma NE slopes of Fitch Mountain, near Healdsburg Comment
  UC771219  Melica geyeri W. S. Boyle 1942-4-26 1075 Sonoma between Petrified Forest and Mark West Comment
  UCD87312  Melica geyeri Virginia Bufford 1936-5-21 368 Sonoma Near Skaggs Springs. Comment
  UCD87346  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  UC1132277  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  UCD32526  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Sonoma County, 2.5 miles north of Guerneville, on roadside banks. Comment
  UCD87391  Melica harfordii Beecher Crampton 1955-6-17 2965 Sonoma 2 miles east of Fort Ross. Comment
  UCD87554  Melica harfordii R. Tofsrud 1947-6-18 190 Sonoma Armstrong Grove. Comment
  CAS-BOT-BC262451  Melica subulata K. Wagnon 1939-4-22 173 Sonoma Along lane running near Jonive Creek on Wagnon Ranch, five miles west of Sebastopol Comment
  CAS-BOT-BC262551  Melica torreyana G. DeNevers 1981-5-23 1265 Sonoma Pepperwood Ranch. At bottom of Franz Valley Road Comment
  RSA31166  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  SEINET6205052  Melica torreyana L. S. Rose 1965-1 65022 Sonoma 1 mi N of Sonoma Comment
  UCD144429  Melica torreyana Frederica Bowcutt 1994-6-24 1883 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain Trail. 396 Comment
  CAS-BOT-BC164351  Melissa Peter Rubtzoff 1973-9-9 7317 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC376288  Mentha Greg de Nevers 1992-6-26 10197 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 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
  CHSC112548  Mentha Peter Pubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi east of Healdsburg. Russian River. Comment
  RSA785216  Mentha Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UC104585  Mentha pulegium W. E. Bryant July 1887 Sonoma Healdsburg Comment
  CAS-BOT-BC164091  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  RSA93027  Mentha pulegium Milo S. Baker 1954-8-12 13037 Sonoma Coney Lake Kenwood on Coney Ranch Comment
  SEINET7952677  Mentha pulegium G. R. Hall 1906-10-14 s.n. Sonoma Guerneville. Comment
  UCSB11202  Mentha pulegium Breedlove, Dennis 1961-12-31 Sonoma At S side of mouth of Russian River 6 Comment
  RSA785149  Mentha rotundifolia Peter Rubtzoff 1973-8-28 7276 Sonoma Upper Green Valley Marsh. Comment
  UCD151251  Mentzelia micrantha James A. Neilson Jr. 1974-7-10 2888 Sonoma Mayacmas Mountains. North of Little Geysers. 853 Comment
  UC26555  Mertensia F. T. Bioletti 1893-4-24 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC429002  Micranthes fragosa Milo S. Baker 1928-3-1 2737 b Sonoma Golf Club Links Comment
  CAS-BOT-BC322598  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 miles southeast of Sonoma 76 Comment
  CAS-BOT-BC348687  Microseris acuminata Alice Eastwood 1921-4-24 10393 Sonoma Santa Rosa Comment
  CAS-BOT-BC348730  Microseris bigelovii John Thomas Howell 1931-4-18 6417 Sonoma Mouth of Salmon Creek 2 miles n. of Bay Comment
  CAS-BOT-BC348855  Microseris douglasii subsp. douglasii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53980 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC320529  Mimulus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC320531  Mimulus Peter Rubtzoff 1970-6-21 6271 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA0025403  Mimulus Peter Rubtzoff 1969-5-24 6060 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  SEINET3078835 Image available Mimulus aurantiacus S. Saufferer 1973-5-24 215 Sonoma Bodega Bay Comment
  UCD122218  Mimulus aurantiacus Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 66 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  UC1012384  Mimulus aurantiacus var. aurantiacus Francis W. Pennell Jul 2 1940-Jul 3 1940 26033 Sonoma mountain ne Kenwood Springs 243 Comment
  UC26898  Mimulus cardinalis Alice Bolton 1888-8-29 Sonoma below Guerneville; Russian River Comment
  UC125184  Mimulus grandis Katharine Brandegee 1905-1 Sonoma Bodega Comment
  SEINET12334049  Mimulus guttatus Unknown 1977-1 17 Sonoma no further locality 122 Comment
  RSA80677  Mimulus kelloggii E. K. Balls, Lee W. Lenz 1952-5-8 17112 Sonoma 0.4 mi. s. of Franz Valley Road along road from Mark West Springs to Kellogg. 107 Comment
  UCD160963  Mimulus layneae James A. Neilson Jr. 1975-7-8 3376 Sonoma Mayacmas Ridge. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  UC1239065  Mimulus microphyllus Freed W. Hoffman 1947-4-10 1890 Sonoma The Geysers North Coast Ranges Comment
  UCD39138  Mimulus pilosus Beecher Crampton 1964-8-18 7145 Sonoma N.E. Sonoma County: 'The Geysers', Big Sulphur Creek. Comment
  RSA54056  Minuartia californica J. T. Howell 1948-4-18 24207 Sonoma Hills east of Agua Caliente. Comment
  UCD98257  Minuartia californica G. F. Hrusa 1995-4-2 12037 Sonoma along Franz Valley School Road, approx. 1 mile NW of Napa/Sonoma county line. 250 Comment
  CAS-BOT-BC388891  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  JEPS128193  Minuartia douglasii Roger Raiche 2000-5-4 081 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128261  Moehringia macrophylla Roger Raiche 2000-4-15 034 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC435111  Mollugo verticillata Peter Rubtzoff 1965-8-29 5624 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville). Comment
  CAS-BOT-BC26177  Monardella coriacea A. A. Heller 1902-7-8 5812 Sonoma Russian river at Healdsburg Comment
  NY429328  Monardella coriacea A. A. Heller 1902-7-8 5812 Sonoma Sandy bank of Russian River at Healdsburg Comment
  UC761791  Monardella purpurea R. F. Hoover 1942-7-13 5915 Sonoma 3 mi s Monte Rio Comment
  UCD125297  Monardella villosa Mary M. Hektner; Cathy Hendel 1974-6-28 84 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD38476  Monardella villosa Beecher Crampton 1955-6-17 2970 Sonoma State Hwy. 1, 3.5 miles south of Fort Ross. Road cut on bluffs above the sea. Comment
  CAS-BOT-BC314158  Monardella villosa subsp. subserrata Peter Rubtzoff 1952-6-13 1256 Sonoma NE slopes of Fitch Mtn, near Healdsburg. Comment
  CAS-BOT-BC314159  Monardella villosa subsp. subserrata Lewis S. Rose 1965-7-3 65081 Sonoma 2 mi. N of Sonoma. 274 Comment
  CAS-BOT-BC314211  Monardella villosa subsp. villosa H. L. Mason 1928-7-10 4883 Sonoma Near ocean, Jenner. Comment
  CAS-BOT-BC220701  Monardella viridis Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 228 Comment
  UC1995308  Monardella viridis Milo S. Baker 1934-6-20 7654 Sonoma 2 1/2 mi ne Glen Ellen (Youngman Ranch) Comment
  JEPS83653  Monardella viridis subsp. viridis R. Raiche 1987-7-5 70380 Sonoma N of Cazadero, The Cedars, Big Austin Creek drainage, between Gravelly Springs and Red Slide Creek. 304 Comment
  UCD165123  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC166777  Montia Peter Rubtzoff 1967-5-21 5841 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC445003  Montia fontana Peter Rubtzoff 1966-4-30 5685 Sonoma North side of Hwy 116 0.5 mile northwest of Stony Point Road crossing. Comment
  UC70442  Montia parvifolia Milo S. Baker July 1902 Sonoma Sonoma Creek Canyon Comment
  POM161366  Muilla maritima Rimo C. Bacigalupi 1252 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  CAS-BOT-BC257705  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UC672617  Myrica californica Herbert L. Mason 1928-4-8 4291 Sonoma Fort Ross Comment
  CAS-BOT-BC376236  Myriophyllum hippuroides Greg de Nevers 1996-10-18 10887 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  CAS-BOT-BC376244  Myriophyllum sibiricum Greg de Nevers 1992-7-3 10212 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Yellow Jacket Ranch Lake 304 Comment
  CAS-BOT-BC456197  Najas guadalupensis Greg de Nevers 1992-7-21 10222 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Yellowjacket Lake. 304 Comment
  RSA543177  Najas guadalupensis Peter G. Connors 1992-6-18 289 Sonoma Button Ranch (prospective Univ. Calif. Natural Reserve, pond #15 of Connor s numbering system). Between Walker Road and Roblar Road, 5 km north of Two Rock. 20 km from coast between Bodega Bay and Petaluma 122 Comment
  CAS-BOT-BC260072  Nassella lepida G. DeNevers 1981-6-8 1503 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  UCD87822  Nassella lepida Beecher Crampton 1955-6-17 2952 Sonoma 4.5 miles S of Cazadero. Comment
  JEPS497  Nassella pulchra W. L. Jepson 1911-4-30 4181 Sonoma Sonoma Valley 83 Comment
  UC1153820  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma US Hwy 101 3 mi s Healdsburg (banks of railway cut) Comment
  UC856857  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa Comment
  UC1008714  Navarretia heterodoxa Beecher Crampton 1950-6-27 597 Sonoma 6 mi ne Glen Ellen (on Trinity Road) Comment
  UC2014131  Navarretia leucocephala subsp. bakeri A. Solomeshch 2009-5-12 s.n. Sonoma Sonoma County: Along Bennett Valley Road (between Santa Rosa and Glen Ellen). Comment
  HSC100965  Navarretia pubescens Peter Warner, Sarah Gordon 2011-5-27 204 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. 58 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
  UC188522  Navarretia squarrosa J. W. Congdon 1889-7-25 Sonoma Petaluma Comment
  SDSU3222  Navarretia squarrosa D. F. Howe 1962-7-28 3360 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  UCD37162  Navarretia squarrosa Beecher Crampton 1957-7-22 4393 Sonoma Sonoma County, Sonoma Coast State Park, 11.7 miles south of Stewart's Point, along State Highway 1. Comment
  JEPS13933  Navarretia viscidula John Thomas Howell 1937-7-4 13082 Sonoma 5 mi n Sebastopol Comment
  POM311202  Navarretia viscidula H. K. Sharsmith 1952-7-6 4178 Sonoma Stewart's Point road 12.2 miles west of Skagg's Springs 579 Comment
  UC606893  Nemophila heterophylla L. Constance 1938-4-24 2151 Sonoma 2 mi ne Bodega (Salmon Creek); , ne of Bodega 91 Comment
  POM65317  Nemophila heterophylla Milo S. Baker 1898-1 692 Sonoma Santa Rosa. Comment
  CHSC23124  Nemophila menziesii Robert A. Schlising 1962-3-31 2110 Sonoma In pastured field. Comment
  CHSC57470  Nemophila menziesii John Hale 1990-4-12 19 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  UC880916  Nemophila menziesii Alice Eastwood 1915-5-1 6843 Sonoma Mt. St. Helena Comment
  HSC34933  Nemophila menziesii Thomas W. Nelson, MarJames Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  UC972194  Nemophila menziesii Milo S. Baker 1952-3-20 12392 Sonoma Western outskirts of Sonoma 5th St. near Bettencourt; western outskirts of Sonoma Comment
  UC24263  Nemophila menziesii var. atomaria Milo S. Baker 1902-3-31 Sonoma Kenwood Comment
  POM248998  Nemophila menziesii var. atomaria Lincoln Constance 1938-4-24 2158 Sonoma Mouth of small canyon, 0.5 mile south of Fort Ross. 91 Comment
  UC24256  Nemophila menziesii var. atomaria W. A. Setchell March, 1898 Sonoma Cloverdale Comment
  UCD120240  Nemophila menziesii var. atomaria Mary M. Hektner 1975-8-30 190 Sonoma Property of Oceanic Properties, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA128920  Nemophila menziesii var. menziesii Peter H. Raven 1950-4-6 1571 Sonoma Vernal flats, Cotati to Santa Rosa. 152 Comment
  CAS-BOT-BC231194  Nemophila parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  UCR255669  Nemophila parviflora Greg de Nevers 1998-6-15 11284 Sonoma CYO Camp on Bohemian Highway [2136 Bohemian Hwy, Occidental] 99 Comment
  RSA0057960  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  JEPS77874  Oenanthe sarmentosa Robert M. Lloyd 1965-5-8 3637 Sonoma e. of Cunningham s.e. of Sebastopol (ca. 4 mi. n. of Rte. 116, Llano Rd., upper portion of Laguna de Santa Rosa Marsh); Laguna de Santa Rosa Marsh Comment
  CDA38482  Oenanthe sarmentosa T. C. Fuller 1958-1-29 104 -58 Sonoma Triangle G Ranch, Sonoma Mtn., Petaluma. 0 Comment
  UCD127739  Oenanthe sarmentosa Mary M. Hektner; Cathy Hendel 1974-6-26 073 Sonoma Unit 3 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC251251  Oenothera Peter Rubtzoff 1960-5-18 4383 Sonoma Bodega Head Marsh. Comment
  UCD106944  Oenothera elata subsp. hookeri Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-29 90 A Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC502770  Orobanche bulbosa Alice Eastwood 1915-6-6 4704 Sonoma Mt. St. Helena Comment
  JEPS67142  Orobanche californica subsp. californica Dorothy King Young 1971-10-15 Sonoma Alder Creek Beach. Comment
  UC27866  Orobanche fasciculata F. T. Bioletti 1892-1 Sonoma Sonoma. Comment
  SD114105  Orobanche fasciculata Darley F. Howe 1963-7-2 3580 Sonoma 4.2 miles north of junction with #12 on #1. Comment
  CAS-BOT-BC500335  Orobanche uniflora subsp. occidentalis J. W. Congdon 1880-4-13 s.n. Sonoma Petaluma Comment
  JEPS11691  Orobanche vallicola Bernard Lile 1933-10-1 Sonoma Russian R. bank near Cloverdale Comment
  RSA516483  Orthocarpus densiflorus W. L. Jepson 1911-4-30 4187 Sonoma Sonoma Valley. 84 Comment
  POM15720  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-4 5219 Sonoma Hills east of Santa Rosa Comment
  RSA51322  Orthocarpus erianthus Peter H. Raven 1950-4-6 1599 Sonoma Lower slopes of Rincon Ridge, 4 miles from Santa Rosa to Sonoma. 244 Comment
  RSA177981  Orthocarpus faucibarbatus Robert F. Thorne 1965-4-19 34308 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; ca 4 miles W of Santa Rosa. 46 Comment
  RSA40113  Orthocarpus faucibarbatus L. S. Rose 1948-5-1 48097 Sonoma Valley Ford. 14 Comment
  RSA126138  Orthocarpus purpurascens Alice Eastwood 1915-6-29 4859 Sonoma Bodega Point. 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
  OBI11858  Oxalis oregana Ann C. Litkins 1970-5-16 128 Sonoma Starret Hill Dr, 1 mi W of monte Rio, near Russian River 30 Comment
  UCD110981  Oxalis oregana R. H. Miller 1949-4-6 21 Sonoma beside Highway 12, about 5 miles southeast of Monte Rio. Comment
  HSC16713  Oxalis pes-caprae S. N. Wiemeyer 1962-4-13 9 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UCD110992  Oxalis pilosa K. Esau 1932-5-2 s.n. Sonoma Bodega Bay. Comment
  UC964740  Packera Herbert Mason 1934-4-28 8060 Sonoma Dohrman Creek Jensen's Ranch (head) Comment
  SEINET11808775  Packera greenei Unknown 1986-1 60290 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, near head of Black Rock Creek 747 Comment
  UCD164102  Panicum Peter Rubtzoff; Nancy Harrison 1978-5-20 9186 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UCD89132  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, Comment
  UCD88720  Paspalum dilatatum Frederica Bowcutt 1996-5-23 2144 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Entrance to campground in Adobe Canyon. 350 Comment
  UCD88727  Paspalum dilatatum Beecher Crampton 1964-8-19 7151 Sonoma NE Sonoma County. 3/4 mile southeast of Mercuryville, 7 miles northeast of Geyserville. Comment
  CAS-BOT-BC154990  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
  HSC24667  Pedicularis densiflora F. Demostene 1966-4-1 5 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC69302  Pellaea andromedifolia D. E. Breedlove 1980-6-28 44816 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC69303  Pellaea andromedifolia Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC69304  Pellaea andromedifolia Peter Rubtzoff 1952-6-3 1145 A Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UCD137617  Pellaea andromedifolia Jennifer Bury; Peggy Herzog 1993-5-8 295 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. 365 Comment
  UCD151229  Penstemon heterophyllus James A. Neilson Jr. 1974-5-17 2847 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  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
  NY130516  Penstemon sonomensis Miss Atterbury 1891-1 s.n. Sonoma Hoods Peak Comment
  JEPS128377  Pentagramma triangularis subsp. triangularis Roger Raiche 2000-4-23 044 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC222743  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  CDA13123  Perideridia howellii G. F. Hrusa, R. Gross 1996-6-3 13058 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Approx. 2 m. SW of Calistoga. Comment
  CAS-BOT-BC413642  Persicaria amphibia Peter Rubtzoff 1971-9-3 6696 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413655  Persicaria amphibia Peter Rubtzoff 1966-10-9 5833 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC413667  Persicaria amphibia Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5845 Sonoma Llano Road near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC413745  Persicaria hydropiper Peter Rubtzoff 1966-9-25 5821 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC418905  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4526 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC418916  Persicaria hydropiperoides Peter Rubtzoff 1956-9-15 2897 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418914  Persicaria hydropiperoides Peter Rubtzoff 1960-9-17 4569 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC418925  Persicaria hydropiperoides Peter Rubtzoff 1958-8-17 3888 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  CAS-BOT-BC419107  Persicaria lapathifolia John Thomas Howell 1946-8-17 22855 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419122  Persicaria lapathifolia Walter Knight; Irja Knight 1963-9-13 253 Sonoma On Rainsville Rd near Liberty Road, Petaluma Comment
  CAS-BOT-BC419273  Persicaria maculosa Peter Rubtzoff 1970-8-5 6300 Sonoma 5 mi. north of Sears Point Comment
  UCD60448  Persicaria pensylvanica Brenda Grewell; Gene Cooley 2007-8-23 s.n. Sonoma Sebastopol, access from Cooper Road, west of the confluence of the Laguna de Santa Rosa with Gravenstein Creek on the DFG Laguna Wildlife Area's Lago Marsino parcel. Comment
  CAS-BOT-BC419431  Persicaria punctata John Thomas Howell 1946-8-17 22854 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419421  Persicaria punctata Peter Rubtzoff 1952-10-26 1334 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  SD72106  Phacelia distans H. S. Yates 1934-4-21 Sonoma Near Bodega Comment
  UC1041061  Phacelia distans J. W. Congdon April 1880 Sonoma Petaluma Comment
  POM299003  Phacelia divaricata J. T. Howell 1931-4-18 6421 Sonoma Mouth of Salmon Creek, two miles north of Bay. Comment
  UC24390  Phacelia egena F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  UC901846  Phacelia imbricata L. Constance, L. R. Heckard, and A. R. Kruckeberg 1950-5-12 3328 Sonoma Alexander Valley-Pine Flat rd 3 mi w Contact Mine Comment
  UCD160115  Phacelia imbricata James A. Neilson Jr. 1973-6-3 3117 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-BC422359  Phalaris Peter Rubtzoff 1975-7-3 8149 Sonoma Kenwood 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
  CAS-BOT-BC258953  Phalaris aquatica Mary P. Wells 1981-8-2 s.n. Sonoma Hedge Gate Road, Unit 21, The Sea Ranch Comment
  UCD88508  Phalaris arundinacea Freed W. Hoffman 1944-6-1 2027 Sonoma North Coast Ranges. Near Guerneville. Comment
  CAS-BOT-BC265911  Phalaris lemmonii Peter Rubtzoff 1960-5-15 4339 Sonoma Fife Creek Marsh, Sonoma County Marshes Comment
  UC1011001  Phalaris lemmonii Virginia Bufford 1935-5-3 31 Sonoma vicinity Santa Rosa; Santa Rosa vicinity Comment
  CAS-BOT-BC250743  Phalaris paradoxa Peter Rubtzoff 1962-4-18 4802 Sonoma Border of Highway #101 east of Petaluma Comment
  UCD89374  Phalaris paradoxa Beecher Crampton 1957-7-11 4295 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC260879  Phleum pratense John Thomas Howell 1945-8-14 21397 Sonoma Perry Marsh Comment
  UC23592  Phlox gracilis Alice King Apr 1897 Sonoma Healdsburg Comment
  JEPS128214  Phlox speciosa Roger Raiche 2002-5-26 009 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC353923  Phlox speciosa subsp. nitida Milo S. Baker 1928-3-24 2718 c Sonoma 5 mi w Healdsburg (Jensen Ranch) Comment
  JEPS69995  Phlox speciosa subsp. occidentalis Docia I. Patchett 1933-6-6 Sonoma Comment
  CAS-BOT-BC222474  Pholistoma Saichi Kawahara 1968-4-20 316 Sonoma 3 miles northeast of Lakeville Road 76 Comment
  UCD102207  Phoradendron leucarpum subsp. tomentosum Frederica Bowcutt 1997-7-19 2191 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. 0.5 air miles SSE of Red Mountain, Mid-slope on S facing side of Adobe Canyon along Vista Trail just E. of Vista Rock (prominent metamorphic rock outcrop). 579 Comment
  CDA16372  Phyllospadix scouleri G. F. Hrusa 2000-11-13 15717 Sonoma Kortum trail head to Goat Rock. Comment
  CAS-BOT-BC452029  Phyllospadix torreyi Marck Menke 1999-6-16 49 Sonoma Bodega Head, Bodega Marine Lab, north side of Horseshoe Cove Comment
  CAS-BOT-BC366895  Physalis Greg de Nevers 1997-11-1 11105 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon 400 Comment
  POM139825  Physocarpus capitatus A. A. Heller 1902-6-24 5758 Sonoma Near Burke's Sanitarium Comment
  UC12453  Physocarpus capitatus Harley P. Chandler 1900-5-25 656 Sonoma Bodega Comment
  UCD108156  Pickeringia montana Frederica Bowcutt 1994-6-25 1923 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. 670 Comment
  CAS-BOT-BC164684  Pilularia Peter Rubtzoff; Nancy Harrison 1974-5-26 7479 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UC1134141  Pinus attenuata J. B. Spring 1932-7-3 95 Sonoma 2/5 mi sw Veeder Mountain; Napa Quadrangle 609 Comment
  HSC12258  Pinus sabiniana Wendell Wood 1970-9-21 285 Sonoma Preston, Hwy. 101 bridge at Russian River, Bulk Collection # 8 457 Comment
  JEPS128338  Piperia elongata Roger Raiche 2010-7-10 033 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC376421  Plagiobothrys Greg de Nevers 1989-4-1 9056 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA785159  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCR244647  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  CAS-BOT-BC154142  Plagiobothrys Peter Rubtzoff 1972-5-25 6771 Sonoma Laguna, Chileno Valley. Comment
  RSA620417  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5160 Sonoma Laguna de Santa Rosa, east of Graton Comment
  UC1277974  Plagiobothrys bracteatus B. Crampton 1957-7-11 4312 Sonoma 1.4 mi se Bodega Bay (ditch along State Hwy 1) Comment
  UCR261634  Plagiobothrys bracteatus Ann Howald 2003-5-15 2336 Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, upper east slope, c. 0.1 mile south of Rodgers Creek 205 Comment
  JEPS60963  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2141 a Sonoma summit of Bennett Valley road Comment
  UCD35301  Plagiobothrys greenei Beecher Crampton 1955-4-5 2413 Sonoma 2 miles southwest of Windsor. Comment
  UCD120885  Plagiobothrys nothofulvus Botany 102 students 1993-4-24 101 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. SE of Sonoma Creek, 1.25 air miles SE of Red Mtn, along Hillside Trail. 396 Comment
  UC517981  Plagiobothrys reticulatus Lewis S. Rose 1933-5-9 33155 Sonoma Bodega Bay Comment
  RSA620967  Plagiobothrys reticulatus Peter Rubtzoff 1960-5-18 4375 Sonoma Bodega Head Marsh. 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
  SEINET3292823 Image available Plagiobothrys scouleri Lewis S. Rose 1933-5-9 33155 Sonoma Bodega Bay Comment
  UCD166112  Plagiobothrys tener Peter Rubtzoff 1972-5-14 6740 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  UC881361  Plagiobothrys undulatus unknown May 1935 8078 Sonoma 0.5 mi e old Fair Grounds (along Bennett Valley Highway) Comment
  CAS-BOT-BC258398  Plantago Peter Rubtzoff 1973-10-10 7341 Sonoma Tributary of Americano Creek, 2 miles west of Bloomfield. Comment
  CAS-BOT-BC258399  Plantago Peter Rubtzoff 1959-6-20 4143 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC293683  Plantago Peter Rubtzoff 1958-8-31 3952 Sonoma Atascadero Creek Marsh. Comment
  RSA800599  Plantago Peter Rubtzoff 1965-8-16 5596 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. 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
  JEPS103958  Plantago lanceolata Jack and Betty Guggolz 1991-5-27 1158 Sonoma E side of Hwy 1 just S of the S end of Meyers Grade Comment
  UCD81451  Plantago lanceolata M. Wiesendanger 1927-5-5 718 Sonoma Sonoma. Comment
  UCR248875  Plantago major Peter Rubtzoff 1958-7-19 3763 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC258382  Plantago major Peter Rubtzoff 1973-10-3 7331 Sonoma 0.75 miles northwest of Freestone. Comment
  SEINET3854582 Image available Platystemon Lewis S. Rose 1933-5-9 33157 Sonoma Bodega Bay. Comment
  UC147066  Platystemon californicus H. P. Chandler 1907-4-28 7548 Sonoma near road to Mark West Sprs.; near road to Mark West Sprs. Comment
  UC416756  Plectritis ciliosa subsp. ciliosa Milo S. Baker 1898-3-26 691 Sonoma Hills near McDonald's Reservoir Comment
  POM59703  Plectritis congesta subsp. nitida A. A. Heller 1903-4-23 6603 Sonoma Fort Ross. From type locality. Comment
  CDA12905  Pleuropogon californicus G. F. Hrusa, R. Gross, A. Buckmann 1996-3-29 12739 Sonoma North Coast Biodiversity Arena; Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. Comment
  JEPS113047  Pleuropogon californicus Dean W. Taylor 1994-5-4 14200 Sonoma Santa Rosa Plain; north of Todd Road 0.5 mi W of junction with Llano Road (ca. 5 air mi SW Santa Rosa) 24 Comment
  JEPS77873  Pleuropogon californicus Robert M. Lloyd 1965-5-8 3636 Sonoma se of Sebastepol (about 4 mi n of Route 116, Upper portion of Laguna de Santa Rosa Marsh, e of Cunningham); Laguna de Santa Rosa Marsh Comment
  UCD90170  Pleuropogon californicus David L. Morgan 1961-4-25 s.n. Sonoma near Stemple Creek, 3 miles southwest of Cotati. Comment
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. Comment
  CAS-BOT-BC260974  Pleuropogon californicus var. californicus Peter Rubtzoff 1955-4-30 1802 Sonoma Laguna de Santa Rosa east of Sebastopol 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
  SEINET10826797  Pleuropogon californicus var. californicus John Thomas Howell 1944-5-14 Howell 19484 Sonoma Between Petaluma & Chileno Valley. Comment
  UCD90167  Pleuropogon californicus var. californicus John Lenz 1947-4-18 s.n. Sonoma near road between Freestone and Bodega. Comment
  UCD90234  Pleuropogon californicus var. davyi R. E. Preston 1996-4-22 930 Sonoma ca. 4.3 miles E.S.E. of Hopland. Comment
  CHSC66975  Pleuropogon davyi James D. Jokerst; Lorie May 1993-5-13 3979 Sonoma Sonoma Air Center. Comment
  SEINET190470  Pneumonanthe oregana Unknown 1941-6-22 1638 Sonoma 3.3 miles east of Bay (Bodega Bay). Comment
  UCD92180  Poa Beecher Crampton 1957-7-11 4294 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD92205  Poa Collector Unknown 1941-4-1 381 Sonoma field east of old S. R. Cemetary. Comment
  UCD92210  Poa Collector Unknown 1942-4-1 383 Sonoma between S. R. and County Farm. Comment
  CAS-BOT-BC255603  Poa annua Peter Rubtzoff 1960-5-20 4399 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville roads Comment
  JEPS71268  Poa annua Virginia Bufford 1932-9-23 574 Sonoma 4 mi sw Santa Rosa 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-BC256033  Poa pratensis Peter Rubtzoff 1954-7-28 1597 Sonoma Guerneville Marsh Comment
  UC1023576  Poa pratensis subsp. pratensis Virginia Bufford 1936-5-22 395 Sonoma ca 5 mi from Annapolis (road to Pt Arena) Comment
  CAS-BOT-BC243247  Poa secunda subsp. secunda John Thomas Howell; et al. 1981-5-14 54024 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  UCD91719  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma SW of Cotati. Comment
  UCD92089  Poa secunda subsp. secunda L. Whitney 1935-3-16 s.n. Sonoma Near Occidental. Comment
  CAS-BOT-BC243202  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma Junction of J Street extension and San Antonio Road, 2 miles SW of Petaluma Comment
  RSA227196  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncan Mills Marsh. Comment
  UCD36686  Poa trivialis Beecher Crampton 1955-6-17 2939 Sonoma Sonoma County, 0.5 mile south of Guerneville. Comment
  CAS-BOT-BC361406  Poaceae Greg de Nevers 1993-8-21 10491 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Along Franz Creek 457 Comment
  RSA0062829  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. 100 Comment
  CDA41540  Pogogyne douglasii G. F. Hrusa, A. Buckmann 1996-10-5 13586 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. 2 mi. SW of Calistoga. Comment
  POM233136  Pogogyne douglasii subsp. parviflora Lyman Benson 1930-6-18 2164 Sonoma South of Santa Rosa. 61 Comment
  RSA132211  Polygala californica Delzie Demaree 1955-6-12 36976 Sonoma Westminister Woods. P.O. Camp Meeker Comment
  UC1300820  Polygala californica Helen K. Sharsmith 1963-5-25 5488 Sonoma on Coleman Valley road e Occidental; San Francisco Bay Region 304 Comment
  UC450151  Polygala californica Milo S. Baker 1898-6-11 657 Sonoma Little Sulphur Creek Comment
  UCD166307  Polygonum Peter Rubtzoff 1966-8-25 5810 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  JEPS87241  Polygonum amphibium var. stipulaceum Jack and Betty Guggolz 1992-6-22 1318 Sonoma pond in cattle pasture se Bloomfield Road 36 Comment
  CLARK-A1528-3782  Polygonum convolvulus John C. Roos 1959-7-30 Sonoma Healdsburg Garden Comment
  CLARK-A1528-5207  Polygonum convolvulus John C. Roos 1959-7-30 Sonoma Healdsburg Garden Comment
  SEINET11935790  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 Sonoma Willow Creek, 2 mi N of Petaluma Comment
  SEINET11935872  Polygonum persicaria W. Knight, Knight, I. 1984-1 1368 Sonoma Willow Brook, 2 mi N of Petalnma Comment
  UC1063655  Polypodium E. Armstrong 1934-3-26 918 Sonoma 1 mi w Camp Meeker; Sebastopol Quadrangle 121 Comment
  UCD55140  Polypodium glycyrrhiza Ellen Dean; Tammie Beyerl 2006-4-28 3022 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  CAS-BOT-BC328122  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC233186  Polypogon interruptus Greg de Nevers 1992-6-26 10211 Sonoma Along Franz Creek. Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 91 Comment
  CAS-BOT-BC233193  Polypogon interruptus Peter Rubtzoff 1955-5-21 1868 Sonoma Forestville Marsh Comment
  CAS-BOT-BC233223  Polypogon maritimus Peter Rubtzoff 1963-6-22 5192 Sonoma Ca. 0.5 mile E of Bennett Mountain Lake Comment
  HSC5276  Polypogon monspeliensis C. S. Chavez 1965-6-3 81 Sonoma One mile N of Santa Rosa on Hwy. 101. 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
  UCD161843  Polypogon monspeliensis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr.) Comment
  RSA94461  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville; Southern half of Lower Marsh. Comment
  SEINET10828403  Polypogon monspeliensis A. Arthur Heller 1902-6-7 Heller 5652 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCD91467  Polypogon viridis David L. Morgan 1956-6-26 s.n. Sonoma Bank above Shell Beach, 1/4 mi. S. of Goat Rock, just off State Highway #1. Comment
  UC1400835  Polystichum P. Fischer 1970-9-20 4248 Sonoma 7.6 mi. from Point Stewart on rd. to Healdsburg 60 Comment
  CAS-BOT-BC72165  Polystichum californicum G. DeNevers 1982-2-9 1886 Sonoma beneath big power lines W of Garrison house, due W of Fir Forest Comment
  CAS-BOT-BC72172  Polystichum californicum Marcus E. Jones 1931-7-5 29162 Sonoma The Geysers Comment
  CAS-BOT-BC72173  Polystichum californicum Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  CDA6117  Polystichum californicum D. G. Kelch 2007-5-13 7 .297 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  HSC76929  Polystichum californicum R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove Comment
  UC1784893  Polystichum californicum Wendy Born Jun 2003 Sonoma Hood Mountain Regional Park Comment
  CAS-BOT-BC72174  Polystichum californicum Peter H. Raven 1950-4-23 1885 Sonoma Sobre Vista 152 Comment
  JEPS108622  Polystichum californicum R. Raiche 1987-1-12 70019 Sonoma W of Cloverdale, near Prichett Creek, Brush Creek, near point of inundation at Lake Sonoma 182 Comment
  UC1745115  Polystichum dudleyi Wendy Born July 2000 Sonoma Along the road and along the west sides of Fife Creek; Armstrong Redwoods State Reserve Comment
  CAS-BOT-BC72486  Polystichum munitum Irja Knight; Walter Knight 1964-11-15 1781 Sonoma Hood's Peak near Johnson Lake Comment
  UCD136548  Polystichum munitum Mary M. Hektner 1974-7-10 140 A Sonoma Unit 34-B Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC102670  Populus fremontii Peter Rubtzoff 1965-8-22 5609 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  RSA262242  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area. Ca. 25 yards from creek draining the Forestville Marsh. Comment
  CAS-BOT-BC267131  Potamogeton M. S. Baker 1899-6-28 3653 b Sonoma Russian River, near mouth Comment
  CDA15401  Potamogeton filiformis G. F. Hrusa, R. Gross 1997-8-31 14094 Sonoma North Coast Biodiversity Arena; Uncommon in pond on Foote Ranch, NW base of Mt. St. Helena. Immed. NE of int. of Hwy. 128 and Ida Clayton Road. Single patch in desely vegetated corner on N side of pond. Flowering spikes emersed. Comment
  UCR244630  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  CAS-BOT-BC267141  Potamogeton foliosus 1877-6-17 s.n. Sonoma Russian River, Guerneville Comment
  RSA800333  Potamogeton nodosus Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  RSA800334  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh. Comment
  UCR244637  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 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-BC454084  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1963-8-24 5246 Sonoma Duncans Mills Marsh. Comment
  HSC98398  Potentilla anserina subsp. pacifica James Faro 1962-4-17 28 Sonoma W side of Bodega Bay, N end Comment
  JEPS46068  Potentilla anserina subsp. pacifica Eleanor Armstrong May 1932 517 Sonoma Sorrenti Ranch near Camp Meeker, Sorrenti Ranch 106 Comment
  JEPS26116  Proboscidea louisianica subsp. louisianica Peter H. Raven, R. Snow 1958-7-23 13681 Sonoma along US Hwy 101 2.1 mi n junction to Skagg's Springs 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
  UC495538  Prunella vulgaris var. lanceolata Merle Randall 1930-6-10 Sonoma Jenner to Fort Ross; Jenner to Fort Ross Comment
  CAS-BOT-BC368069  Prunus virginiana var. demissa Greg de Nevers 1998-6-2 11267 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road at Bordjeiffs. 400 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
  UCR254918  Prunus virginiana var. demissa Greg de Nevers 1998-6-2 11267 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC356921  Pseudognaphalium californicum Peter Rubtzoff 1952-6-11 1248 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC356928  Pseudognaphalium californicum G. DeNevers 1981-7-25 1872 Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  CAS-BOT-BC356929  Pseudognaphalium californicum G. DeNevers 1981-6-15 1531 Sonoma Pepperwood Ranch. Below the big spring below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  UC176853  Pseudognaphalium stramineum P. B. Kennedy 1912-5-27 Sonoma Bodega Bay Comment
  HSC2215  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  UCD133693  Pseudognaphalium stramineum Frederica Bowcutt 1984-6-23 414 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. W of Highway 1. Immediately N of Gerstle Cove near large parking lot. 15 Comment
  CAS-BOT-BC80187  Pseudotsuga menziesii J. W. Congdon 1880-3-1 s.n. Sonoma Santa Rosa Road Comment
  NY621796  Pseudotsuga menziesii B. Crampton 1960-10-10 5789 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD166080  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. 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
  CAS-BOT-BC362074  Psilocarphus tenellus Greg de Nevers 1992-4-28 10119 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  UC581109  Psilocarphus tenellus H. L. Mason 1934-4-28 8083 Sonoma Jensen's Ranch Dorhmann Creek Comment
  CAS-BOT-BC362076  Psilocarphus tenellus G. DeNevers 1981-5-26 1322 Sonoma Pepperwood Ranch. At Pippindale Garden Comment
  CAS-BOT-BC421373  Pterostegia drymarioides Greg de Nevers 1990-4-19 9666 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. On south slope of Telegraph Hill. 457 Comment
  RSA0072112  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along old road from Rogers Apple Orchard to creek. 100 Comment
  JEPS46204  Pyrola aphylla Eleanor Armstrong 1932-6-15 496 Sonoma Camp Meeker, 1 mi west of town on road to Living Tower 152 Comment
  UCD46050  Quercus X eplingii G. F. Hrusa; R. Gross 1999-6-12 15076 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  CAS-BOT-BC94705  Quercus X howellii G. De Nevers 1981-9-5 1824 Sonoma Pepperwood Ranch. In the Garrison Yard, between the Blue Damson Plum and the Oregon Oak Comment
  UC424768  Quercus X morehus Milo S. Baker Jun 1929 3570 b Sonoma near Vine Hill School House Comment
  CAS-BOT-BC61627  Quercus agrifolia Dr. A. Kellogg; W. G. W. Harford 1868-1-1 908 Sonoma Cloverdale Comment
  LA46478  Quercus chrysolepis Marcus E. Jones; A. M. 1931-8-3 28846 Sonoma Cloverdale Comment
  UC405491  Quercus chrysolepis W. P. Taylor 1913-6-23 Sonoma Cazadero Comment
  JEPS37398  Quercus douglasii W. H. Calhoun 1907-10-21 Sonoma Windsor Comment
  CAS-BOT-BC79570  Quercus dumosa G. De Nevers 1981-9-5 1822 Sonoma In the W arm of the Garrison Canyon Comment
  SEINET12030397  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5078 Sonoma 0.4mi up Cavedale Rd from State Tr-12 91 Comment
  CAS-BOT-BC94152  Quercus durata D. E. Breedlove 1976-3-27 39445 Sonoma along Dry Creek Road west of Warm Springs Dam Comment
  CAS-BOT-BC94153  Quercus durata D. E. Breedlove 1962-6-6 2904 Sonoma on State Highway 128, 4.0 miles NW of U.S. Highway 101 at Cloverdale 289 Comment
  SEINET12030394  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  SEINET12030395  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5101 Sonoma 3.1 mi up Cavedale Rd from jct of State Rt #12 Comment
  SJSU16081  Quercus garryana Allen W. Jacobs 1935-7-1 5 Sonoma Found on Russian River terrace; across the river from Hilton. Found well up and near the end of the trail above Summer Home park. High up SW facing slope past 2nd road and at end of off wood road at right. Comment
  UCD46199  Quercus garryana Roman Gankin 1967-10-4 1078 6 Sonoma (Back crossed to Q. garryana). Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  POM270134  Quercus garryana var. garryana Lyman Benson 1933-8-23 5687 Sonoma Mark West Springs, Hood's Peak Mt. Range. 305 Comment
  RSA177964  Quercus kelloggii Robert F. Thorne 1965-4-20 34385 Sonoma Robert Sone's place on Rock Ridge Lane- Mentecito Ave. on Rincon Ridge, Santa Rosa. 107 Comment
  UC338622  Quercus kelloggii unknown Mar 1888 Sonoma near Healdsburg (Warner's ranch) Comment
  UCD46673  Quercus kelloggii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 73 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Beginning on Hillside Trail. 381 Comment
  UCD46674  Quercus kelloggii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 73 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Beginning of Hillside Trail. 381 Comment
  UCD46723  Quercus kelloggii G. F. Hrusa; R. Gross 1996-3-8 12651 Sonoma At NE edge of Douglas-Fir forest near intersection of Ida Clayton Rd. and Hwy 128. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. 150 Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  CDA23789  Quercus lobata D. G. Kelch 2006-10-4 06 .497-B Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  UC338588  Quercus lobata unknown Sonoma Comment
  SEINET12030240  Quercus lobata W. Knight, Knight, I. 1984-1 5159 Sonoma Joosb Ranch,Calistoga Road Comment
  UC1193229  Quercus wislizeni var. frutescens R. H. Neuns 1950-5-5 103 Sonoma 3.5 mi w Mercuryville 731 Comment
  CHSC6279  Ranunculus A. K. Reverd 1967-3-19 6 Sonoma On cliff, 6 ft w of highway 1, and 1/4 mi s of Miwok Beach. 10 Comment
  UCR255890  Ranunculus aquatilis Greg de Nevers 1990-3-26 9655 A Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC9374  Ranunculus aquatilis var. capillaceus W. H. Brewer 1862-4-18 970 Sonoma near Sonoma Comment
  UCD95979  Ranunculus californicus Michael A. Vincent; Ethan H. Freid, Alex Reich 1998-4-8 8176 Sonoma Bodega Bay, University of California (Davis) Bodega marine Reserve, off Bodega Road, Bodega Head. 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
  RSA534585  Ranunculus muricatus Peter Rubtzoff 1969-5-11 6033 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UC486512  Ranunculus muricatus H. E. and S. T. Parks 1930-5-9 617 Sonoma Alexander Valley; on creek entering valley Comment
  UCD96242  Ranunculus muricatus Caitlin Lewis; William Mutch 1993-4-17 11 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. In opening of mixed evergreen forest adjacent to Sonoma Creek. 365 Comment
  UCR265136  Ranunculus occidentalis Ann Howald 2015-4-1 3320 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  UCD150141  Ranunculus pusillus 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
  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
  CAS-BOT-BC74199  Raphanus raphanistrum John H. Thomas 1976-6-16 18297 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CDA39791  Rhagadiolus stellatus Peter Warner 2013-4-23 300 Sonoma Near Glen Ellen, Stuart Creek Hill property, ~ 120 m, S 233 deg. W from Highway 12 at Stuart Creek crossing. 0 Comment
  UC73371  Rhamnus crocea Milo S. Baker 1898-4-23 26 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC53745  Rhododendron columbianum Lewis S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hill Road, 10 mi. w. of Santa Rosa 30 Comment
  CAS-BOT-BC56600  Rhododendron macrophyllum Mary P. Wells 1984-8-9 450 Sonoma Forest off north end of Deerfield Road, The Sea Ranch Comment
  UC1299570  Rhododendron occidentale Freed W. Hoffman 1946-9-26 569 Sonoma Layton Mine, Austin Creek Austin Creek; North Coast Ranges, Layton Mine, Austin Creek Comment
  UC22148  Rhododendron occidentale Edw. L. Greene 1894-6-7 Sonoma Mount St. Helena Comment
  UC634736  Rhododendron occidentale H. L. Mason 1934-4-28 8066 Sonoma Head of Dohrman Creek, Jensen's Ranch Dohrman Creek; , Jensen's Ranch Comment
  UCSB4804  Rhododendron occidentale Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  CAS-BOT-BC200337  Rhododendron occidentale var. occidentale A. A. Heller 1902-6-24 5749 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC200347  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  RSA177963  Rhododendron occidentale var. occidentale R. F. Thorne 1965-4-20 34382 Sonoma Charles Newman's place up Los Alamos Rd, on Rincon Ridge 396 Comment
  CAS-BOT-BC111865  Rhynchospora alba Herbert L. Mason 1946-7-4 12880 Sonoma Pitkin Marsh; between Santa Rosa and Forestville. Comment
  RSA90513  Rhynchospora alba Milo S. Baker 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog Comment
  CHSC65438  Rhynchospora californica J. T. Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  UC1100685  Rhynchospora californica Herbert L. Mason 1946-7-4 12881 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  RSA0065918  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC111900  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  RSA90514  Rhynchospora capitellata Milo S. Baker 1945-7-18 11117 Sonoma Pitkin Marsh Comment
  RSA94267  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 325 Sonoma Margin of Creek at Hwy 12, SE of Forestville Comment
  SEINET4178848 Image available Rhynchospora globularis Unknown 1946-7-4 12882 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  RSA35299  Rhynchospora globularis var. recognita J. T. Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  UC58224  Ribes californicum A. A. Heller 1903-4-24 6613 Sonoma near Cazadero Comment
  UC75435  Ribes californicum Milo S. Baker 1898-4-6 22 Sonoma Skagg's Springs Comment
  CAS-BOT-BC169002  Ribes divaricatum var. pubiflorum A. A. Heller; H. E. Brown 1902-3-12 5038 Sonoma Sonoma Creek, eastern base of Mt. Hood 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
  UC1299687  Ribes roezlii Freed W. Hoffman 1947-3-6 808 Sonoma near Guerneville (road to McCray Cabin, headwaters of Gilliam Creek); North Coast Ranges Comment
  CAS-BOT-BC198925  Ribes roezlii var. cruentum Amy Heggie 1943-3-7 s.n. Sonoma Near Agua Caliente. Comment
  CAS-BOT-BC209372  Ribes sanguineum var. glutinosum Catherine Best 1988-3-12 1314 Sonoma At the edge of Bodega Bay on the west side Comment
  CAS-BOT-BC362938  Rigiopappus leptocladus G. DeNevers 1981-5-15 1215 Sonoma Pepperwood Ranch. Along road to Hansel's Lake (from the bottom of her driveway) Comment
  CAS-BOT-BC74709  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  UC10728  Rorippa curvisiliqua H. N. Bolander Apr 1864 3894 Sonoma Mark West Creek Comment
  CAS-BOT-BC368001  Rosa Greg de Nevers 1989-6-8 9075 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UC914710  Rosa californica Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  CAS-BOT-BC146772  Rosa gymnocarpa Walter Knight; Irja Knight 1964-11-3 762 Sonoma Cooper's Grove, Sonoma Mt. Road Comment
  SD56749  Rosa gymnocarpa D. F. Howe 1963-7-2 Sonoma 3.5 mi. so.east of Guerneville on #12 99 Comment
  UCD113879  Rosa gymnocarpa M. Wiesendanger 1927-5-5 737 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC148195  Rosa rubiginosa Lewis S. Rose 1955-10-24 55188 Sonoma Two Rock 30 Comment
  CAS-BOT-BC361364  Rosa spithamea var. sonomensis Greg de Nevers 1997-4-16 10932 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  CAS-BOT-BC262790  Rubus Peter Rubtzoff 1955-5-14 1853 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  CAS-BOT-BC262824  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  CAS-BOT-BC262826  Rubus Peter Rubtzoff 1953-5-16 1354 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC156601  Rubus bifrons Peter Rubtzoff 1951-6-30 289 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  UC12954  Rubus leucodermis J. Burtt Davy July 1896 Sonoma near Guerneville; near Guerneville Comment
  UCD113853  Rubus parviflorus Mary M. Hektner 1975-6-3 206 Sonoma coastward from Halycon Road, Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC158723  Rubus ulmifolius Mary P. Wells 1985-7-1 527 Sonoma Bank of Ducker Creek, Rincon Valley, Santa Rosa Comment
  UCD114018  Rubus ursinus M. Wiesendanger 1927-5-5 723 Sonoma Kenwood Springs. Comment
  UCD17813  Rubus ursinus H. Olmo 8-10 May 1962 62 08 Sonoma California. Sonoma County: 1.3 miles south from junction of road to Fort Ross in Cazadero. 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
  UCD17934  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-3 53 64 B Sonoma California. Sonoma County: 0.5 miles north of city limits in Rio Del. Comment
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Aug 27 2013
  UCD17815  Rubus ursinus H. Olmo 8-10 May 1962 62 10 Sonoma California. Sonoma County: 1.6 miles south of Timber Cove on ocean front ravine. Comment
  CAS-BOT-BC166690  Rumex Peter Rubtzoff 1958-7-20 3791 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166721  Rumex Peter Rubtzoff 1962-6-24 4963 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River. Comment
  RSA783793  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  UCR178427  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco and c. 11 air mi east of Santa Rosa; c. 2.5 air mi NE of Kenwood; c. 18 air mi NW of Napa. Meadow trail and Gray Pine (Digger Pine) trail, 1 mile from trailhead 396 Comment
  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
  CAS-BOT-BC421581  Rumex crassus Walter Knight; Irja Knight 1963-8-13 179 Sonoma Horseshoe Cove Comment
  UCD148316  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh. Comment
  UCR256124  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  RSA783831  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa, area E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC433868  Rumex salicifolius John Thomas Howell 1957-10-12 32997 Sonoma About 1 mi. sw. of Sonoma Comment
  CAS-BOT-BC434141  Rumex transitorius M. S. Baker 1945-8-14 s.n. Sonoma Santa Rosa Junior College, Santa Rosa Comment
  UCSB15940  Rupertia physodes Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  UC450  Ruppia maritima J. Burtt Davy 1897-9-19 4034 Sonoma Petaluma Comment
  CAS-BOT-BC259174  Sagina Peter Rubtzoff 1966-4-30 5694 Sonoma Todd Road, 1.4 miles from Highway 16 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC445686  Sagittaria cuneata W. W. Carruth 1901-6-1 s.n. Sonoma Laguna near Fulton Comment
  CAS-BOT-BC445693  Sagittaria cuneata Peter Rubtzoff 1961-7-22 4666 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445775  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC445804  Sagittaria montevidensis Peter Rubtzoff 1970-5-16 6221 Sonoma 5 mi. north of Sears Point. Comment
  UCD99149  Salicornia pacifica D. Sanchez-Mata; M. G. Barbour 1996-4-12 s.n. Sonoma S. Pablo Bay. S. Pablo National Wildlife Refuge. 5 Comment
  CAS-BOT-BC290594  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. Comment
  UCR249071  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh 120 Comment
  UCR249325  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh Comment
  RSA0015566  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC126265  Salix X sepulcralis W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road, six miles from Petaluma Comment
  CAS-BOT-BC103088  Salix bonplandiana Peter Rubtzoff 1963-10-5 5292 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC103089  Salix bonplandiana Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7838 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC103092  Salix bonplandiana Peter Rubtzoff 1960-5-29 4421 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  SEINET11998392  Salix bonplandiana W. Knight, Knight, I. 1988-1 6208 Sonoma Hacienda, along Russian River Comment
  UC463100  Salix breweri Milo S. Baker 1931-10-10 5615 Sonoma near confluence with Sonoma Cr. (above Los Guilicos Val.); Fitzsimmons Cr. Comment
  CAS-BOT-BC103947  Salix exigua Peter Rubtzoff 1966-4-30 5698 Sonoma Todd Road 1.4 mi. from Highway 116 and 0.6 mi. from Llano Road Comment
  CAS-BOT-BC103843  Salix exigua subsp. melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park Comment
  UC453099  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 Sonoma Russian R. at Bohemian Grove near Monte Rio Comment
  CAS-BOT-BC290707  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC107753  Salix hindsiana A. A. Heller 1902-4-18 5328 Sonoma Near Windsor on Russian River Comment
  UC66164  Salix lasiandra subsp. lasiandra A. A. Heller 1902-8-23 5098 Sonoma Santa Rosa Creek e. of Santa Rosa Comment
  UCD111655  Salix lasiolepis Peter Rubtzoff 1951-8-19 646 Sonoma Pitkin Marsh, near Forestville. Comment
  POM281345  Salix lasiolepis Lyman D. Benson 1930-3-20 1954 Sonoma Toward Healdsburg. Santa Ross. N Coast mtn range. 152 Comment
  RSA534503  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Covello 1964-9-3 5495 Sonoma Bodega Bay Marsh. Comment
  RSA534504  Salix lasiolepis var. bigelovii Peter Rubtzoff 1962-5-11 4812 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC128321  Salix lasiolepis var. lasiolepis A. A. Heller 1902-8-23 5096 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  RSA94335  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of the Upper Marsh, in open damp area. Comment
  POM219076  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove. Near Monte Rio. Bed of Russian River. Comment
  UC482050  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  POM362927  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  SD882  Salix scouleriana Baker, Ball, Bracelin, Crum 1931-5-9 343 Sonoma Two km east of Occidental, on Occidental Grade Comment
  UC482057  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 342 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  UCD111843  Salix scouleriana Baker; Ball, Bracelin, and Crum 1931-5-9 342 Sonoma Two km. east of Occidental. Comment
  HSC20117  Salix sitchensis Theodore J. Crovello 1965-9-14 721 Sonoma Along Mayacama Creek, 75-100 yds. W of junction with bridge of Hwy. 128 Comment
  UC482068  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay (on Santa Rosa-Bodega Hwy., <Larkspur Rock>) Comment
  UC504049  Salix sitchensis W. A. Setchell 1933-5-6 Sonoma roadside between Monte Rio and Camp Meeker Comment
  UCD111909  Salix sitchensis Mary M. Hektner 1974-7-20 157 Sonoma Paralleling Pacific Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC225212  Salvia sonomensis J. Clausen 1935-5-23 1073 b Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  CAS-BOT-BC225217  Salvia sonomensis Walter Knight; Irja Knight 1963-8-23 195 Sonoma Joost Ranch, Calistoga Rd. Comment
  UC192603  Salvia sonomensis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  SEINET12320779  Salvia sonomensis W. Knight, Knight, I. 1981-1 3973 Sonoma 3.1mi up Cavedale Road from jct of state route #12 Comment
  SEINET12327832  Sambucus callicarpa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -159 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 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
  UC901878  Sanicula graveolens L. Constance, L. R. Heckard and A. R. Kruckeberg 1950-5-13 3329 Sonoma 4 mi w of Lincoln Rock (ne of Sulphur Creek) 762 Comment
  UCD114698  Sanicula tuberosa Christopher Mallek 2008-1 HC12- 13 Sonoma Hooker Canyon. 590 Comment
  UC71997  Saxifraga californica Milo S. Baker 1898-3-26 682 Sonoma Santa Rosa Comment
  SEINET12216689  Saxifraga mertensiana F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -152 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  JEPS77257  Scandix pecten-veneris Robert M. Lloyd 1963-4-24 2395 Sonoma 13.8 mi from State Highway 12 (on road to Oakdale) 365 Comment
  RSA178019  Scandix pecten-veneris R. F. Thorne 1965-4-19 34278 Sonoma Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC283138  Schedonorus arundinaceus Catherine Best 1981-4-4 s.n. Sonoma North side of Bodega Bay Comment
  CAS-BOT-BC283139  Schedonorus arundinaceus G. De Nevers 1981-6-18 1571 Sonoma On the dam at the Pippindale Pond, Pepperwood Ranch Comment
  CAS-BOT-BC283148  Schedonorus arundinaceus David L. Morgan 1956-5-18 s.n. Sonoma 5.4 miles south of Santa Rosa city limits on Hwy. #12 Comment
  CAS-BOT-BC283149  Schedonorus arundinaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-20 6282 Sonoma Northeast corner Llamo and Todd Roads 25 Comment
  CAS-BOT-BC283657  Schedonorus pratensis James Jokerst 1985-4-26 2275 Sonoma Near Caldwell Ranch Comment
  CAS-BOT-BC111398  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1951-6-9 186 Sonoma Northern half of Lower Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC111433  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1955-9-25 2159 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC111533  Schoenoplectus americanus Peter Rubtzoff 1970-5-16 6216 Sonoma Eldridge. In and at the edge aof shallow water of streamlet 0.7 mi NE of Arnold drive. Comment
  CAS-BOT-BC111660  Schoenoplectus mucronatus Peter Rubtzoff; Lucy Blake; Nancy Harrison; Betty Lovell 1979-7-15 9290 Sonoma Knights Valley. Pond on east side of Ida Clayton Road. Comment
  CAS-BOT-BC111798  Schoenoplectus pungens var. badius Peter Rubtzoff 1954-7-26 1558 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111799  Schoenoplectus pungens var. badius Peter Rubtzoff 1954-8-10 1679 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC111805  Schoenoplectus pungens var. badius Peter Rubtzoff 1959-6-20 4165 Sonoma Willow Creek Marsh. Comment
  SEINET11750297  Schoenoplectus tabernaemontani W. Knight, Knight, I. 1984-1 5427 Sonoma Willow Cr. Road 61 Comment
  SEINET11750538  Schoenoplectus tabernaemontani H. K. Wagnon 1988-1 1744 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Dr 73 Comment
  CAS-BOT-BC111104  Scirpus microcarpus LeRoy Abrams 1920-7-3 7612 Sonoma Near Stewarts Point Comment
  CAS-BOT-BC111106  Scirpus microcarpus Peter Rubtzoff 1958-9-6 3982 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC111115  Scirpus microcarpus John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol. Comment
  JEPS74327  Scoliopus bigelovii Robert M. Lloyd 1963-2-24 2044 Sonoma abandoned picnic ground 0.5 mi. n. Occidental (on rd. to Camp Meeker) 45 Comment
  CAS-BOT-BC516414  Scoliopus bigelovii Alfaretta Wood No date on label. s.n. Sonoma Duncan's Mill Comment
  CAS-BOT-BC516416  Scoliopus bigelovii Volney Rattan 1880-1-1 s.n. Sonoma Duncan's Mills Comment
  SEINET12050503  Scoliopus bigelovii F. H. Utech 1988-1 88 -231 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  SEINET12057679  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
  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
  UC1132933  Scribneria bolanderi L. W. Whitney 1935-4-14 Sonoma near Occidental 121 Comment
  CAS-BOT-BC320528  Scrophularia californica Peter Rubtzoff 1960-5-22 4412 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC320539  Scrophularia californica Peter Rubtzoff 1954-8-11 1690 Sonoma Guerneville Marsh. Comment
  UCR248718  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  RSA0022386  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  RSA177925  Scutellaria tuberosa Robert F. Thorne 1965-4-20 34373 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UCD168050  Scutellaria tuberosa James Neilson 1981-7-1 4044 a Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  RSA73968  Sedella pumila Milo S. Baker 1952-4-20 12399 Sonoma East side of Hwy 12 on outcrop of [tuff?] and ca. 0.25 miles N of Caliente. Comment
  RSA0074864  Sedum radiatum subsp. radiatum A. A. Heller 1902-6-28 5789 Sonoma Between Knight's Valley and Mark West Springs. Comment
  UCD151222  Sedum spathulifolium James A. Neilson Jr. 1974-5-17 2978 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  RSA31690  Selaginella bigelovii Amos Arthur Heller 1902-4-2 5201 Sonoma On the Calistoga road, 10 miles from Santa Rosa. Comment
  CAS-BOT-BC376339  Selaginella wallacei Greg de Nevers 1997-12-12 11110 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In 40 acres west of Trapper's Cabin. 400 Comment
  CDA9639  Selaginella wallacei D. G. Kelch 2007-5-13 7 .3 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  RSA167465  Senecio flaccidus var. douglasii Joseph P. Tracy 1946-9-3 17652 Sonoma Russian River. Comment
  UC1084374  Senecio vulgaris G. Thomas Robbins 1937-3-27 47 Sonoma Santa Rosa Comment
  UCD165128  Senecio vulgaris Peter Rubtzoff 1974-4-17 7380 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC80325  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Santa Rosa Comment
  NY64464  Sequoia sempervirens A. A. Heller 1902-3-16 5080 Sonoma Russian River, near Trenton Comment
  UC536019  Sequoia sempervirens W. A. Setchell and Victor Duran 1935-3-31 Sonoma garden of Mrs. Max Knittl Monte Rio Comment
  SEINET8714496 Image available Sequoia sempervirens L. Fallon 1939-1 s.n. Sonoma 15 miles west of Santa Rosa on Guerneville Hy. Comment
  CAS-BOT-BC376234  Setaria Greg de Nevers 1992-6-17 10175 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  SBBG4709  Sidalcea H. and M. Dearing 1939-5-14 3346 Sonoma near Healdsburg Comment
  SEINET11971663  Sidalcea hartwegii L. S. Rose 1940-1 40372 Sonoma Sonoma 30 Comment
  SD56817  Sidalcea malviflora subsp. laciniata Darley F. Howe 1963-5-22 3522 Sonoma 10 miles west of Santa Rosa, on Vine Hill Road. 152 Comment
  SEINET7042576  Sidalcea malviflora subsp. laciniata A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  CAS-BOT-BC320549  Silene Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC392492  Silene gallica Greg de Nevers 1997-5-23 11008 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. 457 Comment
  UCD158812  Silene gallica James A. Neilson Jr. 1974-4-16 3169 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD98639  Silene gallica Valerie Bullock; Erik Beever 1993-5-8 241 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Ponygate Trail on path next to meadow. 365 Comment
  SEINET11993494  Sisymbrium officinale F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -177 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  UCD115677  Sisymbrium officinale Erik Beever; Valerie Bullock 1993-5-8 206 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate trail. 365 Comment
  SEINET3876315  Sisyrinchium californicum James Faro 1962-4-22 27 Sonoma Ocean Cove Ranch, about 4 miles north of Fort Ross on Highway 1.; 0 Comment
  UC1032494  Sisyrinchium californicum H. S. Yates 1936-5-16 5587 Sonoma 2 mi se of Forestville 30 Comment
  UCR281902  Solanum americanum Peter Rubtzoff 1965-9-11 5649 Sonoma North Coast Ranges, Russian River margin at Forest Hills, 5.5 miles east of Guerneville 9 Comment
  RSA227216  Solanum umbelliferum Peter Rubtzoff 1960-5-16 4358 Sonoma Duncans mills marsh. m thickets along streamlet in upper portion of the marsh. Comment
  JEPS54471  Solidago elongata Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9318 Sonoma Pitkin Marsh 53 Comment
  CAS-BOT-BC365582  Solidago elongata Walter Knight; Irja Knight 1963-9-10 247 Sonoma Corner San Antonio Rd & D St. Ext. Comment
  CAS-BOT-BC365660  Solidago spathulata L. R. Abrams 1920-7-3 7608 Sonoma Near Stewarts Point Comment
  SDSU534  Solidago spathulata subsp. spathulata D. F. Howe 1962-7-29 3350 Sonoma 12 miles north of Jenner on #1. 91 Comment
  CAS-BOT-BC365262  Solidago velutina subsp. californica J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma 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
  UC1041084  Solidago velutina subsp. californica J. W. Congdon 1880-7-25 Sonoma Petaluma Comment
  UCR255522  Solidago velutina subsp. californica Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles NE of Freestone 58 Comment
  CAS-BOT-BC173591  Soliva sessilis Peter Rubtzoff 1966-5-7 5710 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC365960  Soliva sessilis Catherine Best 1983-10-12 906 Sonoma In the school yard at Watson School on the Bodega Hwy west of Freestone Comment
  CAS-BOT-BC236588  Sorghum halepense Peter Rubtzoff 1952-6-15 1262 Sonoma Fitch Mtn. Grove, near Healdsburg, Russian River bottom Comment
  CAS-BOT-BC236589  Sorghum halepense Peter Rubtzoff 1962-9-16 5089 Sonoma Vacation Beach, 1.5 mi. below Guerneville, along Russian River Comment
  CAS-BOT-BC236592  Sorghum halepense Walter Knight; Irja Knight 1963-9-29 227 Sonoma Near Lindberg Lane on Lakeville Highway, Petaluma Comment
  UCD94845  Sparganium emersum Malcolm A. Knobs; S. Galen Smith 1949-8-1 1109 Sonoma 2 miles E of Stewart's Point on road to Geyserville. 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-BC258919  Spergula Peter Rubtzoff 1958-9-28 s.n. Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC258918  Spergula Peter Rubtzoff 1954-7-27 1576 Sonoma Guerneville Marsh. Comment
  RSA41907  Spergula arvensis H. C. Cantelow 1936-1-26 1115 Sonoma Cliffs above Bodega Bay. Comment
  SD39609  Spergula arvensis Edith A. Purer 1932-8-21 4053 a Sonoma Bodega Bay. Comment
  CAS-BOT-BC320501  Spergularia Peter Rubtzoff; Nancy Harrison; Walter Lennon; Marion Weiger 1974-5-11 7399 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD99193  Spergularia bocconi Frederica Bowcutt 1984-6-23 457 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County Coast. West of Highway 1, north of Gerstle Cove about 1/4 mile. 15 Comment
  CAS-BOT-BC390732  Spergularia rubra Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC534956  Spirodela punctata Peter Rubtzoff 1964-8-20 5466 Sonoma Pond one mile SE of Jenner (near crossing of Hwys. 1 and 12) Comment
  CDA20026  Sporobolus indicus McArthur 2002-8-21 PDR P 092675 Sonoma North Coast Ranges; Irrigated pasture on Shiloh Rd. 0 Comment
  CAS-BOT-BC502055  Stachys Peter Rubtzoff 1964-7-29 5446 Sonoma Brooks Gulch Marsh Comment
  POM63419  Stachys ajugoides A. A. Heller 1902-6-27 s.n. Sonoma West of Windsor near Russian river. Comment
  UC25929  Stachys ajugoides var. rigida Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC416741  Stachys ajugoides var. rigida Katharine Brandegee Sonoma Bodega Comment
  CAS-BOT-BC361392  Stachys albens Greg de Nevers 1993-8-7 10482 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa E of barn 400 Comment
  UC884281  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  RSA94260  Stachys chamissonis Peter Rubtzoff 1951-7-21 520 Sonoma Pitkin Marsh near Forestville. Comment
  SEINET9333111  Stachys rigida var. quercetorum John Nelson, Wnek, R. 2000-3-7 20940 Sonoma Coleman Beach Comment
  SEINET9361053  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville 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
  UCD166315  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC251312  Stellaria media Peter Rubtzoff 1956-9-14 2885 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC293752  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. North-facing slope bordering the marsh in the south. Comment
  SEINET11933911  Stellaria nitens F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -234 Sonoma end of Stoetz Road 200 Comment
  UCR254832  Stephanomeria virgata Greg de Nevers 1997-8-17 11076 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  UCR74759  Stipa formicarum M. E. Barkworth, D. Amme 1989-6-15 5170 Sonoma c. 2 mi north of Jenner on US Hwy 1 70 Comment
Read comments
Aug 4 2008
  NY431573  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsberg Comment
  UCD168057  Streptanthus James Neilson 1978-6-17 3968 Sonoma Mayacmas Mountains, east of 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
  CAS-BOT-BC61147  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. Comment
  JEPS96915  Streptanthus barbiger Dean W. Taylor 1998-6-22 16682 Sonoma Geysers Area, serpentine barren along John King Cade Road; headwters Cobb Creek 975 Comment
  CAS-BOT-BC61157  Streptanthus barbiger R. D. Stone 1983-6-14 534 Sonoma Headwaters of Squaw Creek drainage, 0.8 mile northwest of Geyser Rock. 960 Comment
  SEINET11993693  Streptanthus barbiger Unknown 1984-1 40221 Sonoma N of Cazadero, The Cedars, Big Austin Creek 427 Comment
  UC650315  Streptanthus barbiger F. W. Hoffman 1941-6-3 Sonoma Serpentine Island south watershed of Russian River Comment
  UCD168161  Streptanthus brachiatus James Neilson 1977-3-28 3855 Sonoma Mayacmas Mountains, Location 6, US Geothermal 1. Lower Reach of barren. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61231  Streptanthus breweri Herbert L. Mason 1946-7-4 12896 Sonoma 2 miles east of Occidental. Comment
  OBI14931  Streptanthus breweri Herbert L. Mason 1946-7-4 12896 Sonoma 2 mi E of Occidental Comment
  UC1292752  Streptanthus glandulosus Freed W. Hoffman 1947-5-12 1052 Sonoma Camp Meeker North Coast Ranges Comment
  UC1492743  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-7-9 2848 Sonoma upper side of Sulphur Creek rd 3.6 mi from Highway 101 (from Geysers to Cloverdale); North Coast Ranges 182 Comment
  SEINET11998401  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60139 Sonoma NE of healdsburg, Reservoir Hill (end of Sunnyvale Dr) 104 Comment
  JEPS128232  Streptanthus morrisonii Roger Raiche 2000-5-5 087 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD167335  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma Mayacmas Mountains. On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1492758  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-5-30 1027 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC1601622  Streptanthus tortuosus Milo S. Baker 1940-7-15 9781 Sonoma cliffs Hood's Peak Comment
  UC956605  Streptanthus tortuosus Freed W. Hoffman 1948-9-19 2374 Sonoma n-s ridge on Big Geysers rd from Healdsburg about 1 mi w The Geysers; North Coast Ranges Comment
  UCD166491  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC540816  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC269634  Symphoricarpos albus var. laevigatus Marcus E. Jones 1931-7-5 29056 Sonoma West of Cloverdale Comment
  UCR255676  Symphyotrichum Greg de Nevers 1997-8-17 11078 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  UC75848  Symphyotrichum chilense Miss M. Alice King 1897-6-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC221967  Taeniatherum caput-medusae G. DeNevers 1981-5-15 1204 Sonoma Pepperwood Ranch. Hansel's Lake Comment
  CAS-BOT-BC157679  Taraxacum Peter Rubtzoff 1974-4-17 7367 Sonoma Upper Green Valley Marsh area. Comment
  CHSC63920  Taraxia ovata John Hale 1990-4-10 17 Sonoma 610 m. N. of Stillwater Cove. Meadow. 24 Comment
  CDA433  Taxus baccata William Van Aslan 2000-8-24 PDR# 041628 Sonoma Petaluma. In pasture at 5360 Bodega Ave. Comment
  RSA800480  Thermopsis californica var. californica Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC66808  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10935 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66815  Thysanocarpus curvipes G. DeNevers 1981-3-25 559 Sonoma Pepperwood Ranch. On Franz Valley Road below Walter Wards house. Comment
  SEINET11993722  Thysanocarpus curvipes W. Knight, Knight, I.; Edwards, S. 1986-1 5323 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  SEINET11996226  Thysanocarpus curvipes H. K. Wagnon 1989-1 1852 Sonoma Spring Lake County Park, Santa Rosa 67 Comment
  UC117272  Thysanocarpus curvipes K. Brandegee April 1889 Sonoma Mt. St. Helena Comment
  RSA122895  Thysanocarpus curvipes var. curvipes E. Armstrong 1934-3-26 920 Sonoma 2 miles W of Camp Meeker. 122 Comment
  UCD151188  Thysanocarpus laciniatus James A. Neilson Jr. 1974-4-17 2892 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC67337  Thysanocarpus radians John Thomas Howell 1934-3-27 11804 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa. Comment
  CAS-BOT-BC447595  Tiarella trifoliata subsp. unifoliata Catherine Best 1980-7-1 s.n. Sonoma Growing on the bank of Dutch Bill Creek about 1 mile north of Occidental Comment
  UC764989  Tiarella trifoliata var. unifoliata R. F. Hoover 1941-5-14 5074 Sonoma on road to Camp Meeker 3 mi s Monte Rio Comment
  SEINET12217316  Tiarella unifoliata F. H. Utech 1988-1 88 -200 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  POM14850  Tonella tenella Michener, Bioletti 1893-04 s.n. Sonoma Adobe Canyon. Comment
  CAS-BOT-BC371426  Torilis arvensis Greg de Nevers 1996-6-3 10825 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD128160  Torilis arvensis John Thomas Howell; Gordon H. True 1967-6-17 42596 Sonoma Arthur E. Cooley ranch at confluence of Galloway and Dry Creeks. 1036 Comment
  SEINET11739540  Torreya californica W. Knight, Knight, I.; Edwards, S. 1986-1 5355 Sonoma along the trail en route to summit of Geyser Peak, access from Healdsburg-Geysers Road 914 Comment
  CAS-BOT-BC169258  Toxicodendron diversilobum Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC169259  Toxicodendron diversilobum Peter Rubtzoff 1951-8-18 630 Sonoma Western branch of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC172888  Toxicodendron diversilobum Alice Eastwood 1915-6-5 4583 Sonoma Petrified Forest Comment
  RSA669740  Toxicodendron diversilobum G. D. Barbe 1974-4-29 1783 Sonoma Asti Road ca. 1 mile south of Washington School Road, Asti, creek at south edge of vineyard Comment
  UCD139858  Toxicoscordion fremontii P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CDA31367  Tragopogon porrifolius D. G. Kelch, Ed Biffin 2010-5-3 10 .211 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. 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-BC376289  Trichostema lanceolatum Greg de Nevers 1992-7-25 10230 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Mark West Creek 304 Comment
  HSC17939  Trientalis latifolia James Faro 1962-4-20 1 Sonoma About 5 mi. N of Geurnville on the Old Cazadero Rd. Comment
  CAS-BOT-BC173640  Trifolium Peter Rubtzoff 1974-5-25 7464 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
  CAS-BOT-BC173550  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC173630  Trifolium Peter Rubtzoff 1974-5-18 7429 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCSC006358  Trifolium Randall Morgan 1996-5-30 2980 Sonoma Bodega Bay, Bodega Marine Lab Comment
  CAS-BOT-BC376246  Trifolium albopurpureum Greg de Nevers 1995-5-31 10737 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UC726770  Trifolium albopurpureum var. dichotomum A. A. Heller 1940-5-6 15590 Sonoma near Petrified Forest (roadside bank) Comment
  POM162076  Trifolium amoenum Joseph P. Tracy 1921-5-10 5548 Sonoma Near Petaluma Comment
  UC249680  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  UC726771  Trifolium amoenum A. A. Heller 1940-5-17 15636 Sonoma 2 mi w Valley Ford (State Hwy 1) Comment
  CAS-BOT-BC371444  Trifolium bifidum Greg de Nevers 1998-5-5 11231 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UCD15835  Trifolium campestre K. Mawdsley 1998-6-30 45 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 Meadow Trail about 100 yds west of Education Center and gate. 350 Comment
  CAS-BOT-BC361336  Trifolium ciliolatum Greg de Nevers 1997-4-25 10978 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR179431  Trifolium ciliolatum I. Loredo-Prendeville, Nicole Canon 1993-4-24 65 Sonoma Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco, 10 air mi east of Santa Roas, 2.5 air mi NE of kenwood and 18 air mi NW of Napa. Along Adobe Canyon Road 259 Comment
  UCD108258  Trifolium ciliolatum Erik Beever 1993-5-8 230 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  HSC15199  Trifolium depauperatum R. Spellenbergq, D. Sutherland, A. Sylvester 1966-3-26 1341 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Comment
  UCSC005301  Trifolium depauperatum Randall Morgan 1995-5-18 2627 Sonoma Windsor, Shiloh Road, west of Skylane Comment
  RSA54041  Trifolium depauperatum var. amplectens J. T. Howell 1948-4-18 24206 Sonoma Hills east of Agua Caliente. Comment
  UC631218  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UC16482  Trifolium depauperatum var. depauperatum Edw. L. Greene 1892-4-23 Sonoma Comment
  UCD108861  Trifolium dubium Caitlin Lewis; William Mutch 1993-4-17 8 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center. 365 Comment
  CAS-BOT-BC361286  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Double Ponds and Turtle Pond 400 Comment
  CAS-BOT-BC361293  Trifolium fragiferum Greg de Nevers 1993-8-21 10490 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  UCD109024  Trifolium fucatum P. B. Kennedy 1929-5-24 10295 Sonoma Between Cazadera and Seaview. Comment
  UCD109129  Trifolium grayi Beecher Crampton 1955-4-5 2401 Sonoma 2 miles W of Fulton, Woolsey Road. Comment
  UC1130076  Trifolium microcephalum H. S. Yates 1934-4-22 3855 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UCD165171  Trifolium microcephalum Peter Rubtzoff 1974-6-2 7510 Sonoma Upper Green Valley Marsh. Comment
  UC1541580  Trifolium microdon H. E. and S. T. Parks 1930-5-9 601 Sonoma Knights Valley 152 Comment
  UC165622  Trifolium microdon Milo S. Baker 1898-5-7 642 Sonoma Glen Ellen Comment
  UC631272  Trifolium oliganthum P. B. Kennedy 1915-5-31 Sonoma Annapolis Comment
  UCD165165  Trifolium variegatum Peter Rubtzoff 1974-5-26 7485 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD84286  Trifolium variegatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  JEPS117957  Trifolium vesiculosum Zoya Akulova-Barlow 2008-1 Sonoma Cloverdale River Park Comment
  UCD33224  Trifolium willdenovii Beecher Crampton 1967-5-15 7925 Sonoma Sonoma County, Lytton. Comment
  CAS-BOT-BC368077  Trillium albidum Greg de Nevers 1998-4-27 11203 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC520844  Trillium albidum A. A. Heller; H. E. Brown 1902-3-12 5035 Sonoma Eastern Base of Mt. Hood Comment
  CAS-BOT-BC520846  Trillium albidum Mrs. F. B. Trosper 1922-3-29 s.n. Sonoma Sonoma Comment
  JEPS76933  Trillium ovatum Robert M. Lloyd 1963-2-24 2045 Sonoma abandoned picnic ground 0.5 mi. n. of Occidental on rd. to Camp Meeks 45 Comment
  CAS-BOT-BC521307  Trillium rivale Volney Rattan 1903-1-1 1877 Sonoma Guerville Comment
  OBI9376  Triphysaria eriantha Lewis S. Rose 1965-4-4 65018 Sonoma Sonoma 24 Comment
  UC1238006  Triphysaria eriantha subsp. eriantha John H. Weiler, D. Kaplan 1961-3-27 6165 Sonoma along state highway 12, 3.4 mi n Agua Caliente; n of Agua Caliente Comment
  UC27182  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Shellville Comment
  HSC26831  Triphysaria eriantha subsp. eriantha Thomas W. Nelson 1971-3-23 349 Sonoma 3 mi. S of Healdsburg Comment
  JEPS77250  Triphysaria eriantha subsp. eriantha Robert M. Lloyd 1963-4-24 2389 Sonoma at Highway 12 and road to Oakdale 7.8 mi n Sonora 152 Comment
  UC1334890  Triphysaria eriantha subsp. rosea L. D. Thurman 1965-5-3 668 Sonoma Horseshoe cove on Bodega Head; Horseshoe cove n Bodega Head Comment
  UC886563  Triphysaria pusilla Keith Wagnon 1938-3-25 Sonoma Macken's pasture on O'Farrel Hill Comment
  UC194181  Triphysaria versicolor subsp. faucibarbata Michener and Bioletti 1893-6-7 Sonoma Kenwood Comment
  UC726087  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1941-5-4 16089 Sonoma two mi e Shellville Comment
  HSC20863  Triphysaria versicolor subsp. faucibarbata R. F. Good 1962-4-20 25 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes, Sonoma Mtn. Coast Range 0 Comment
  UC27195  Triphysaria versicolor subsp. faucibarbata State Survey 1800-1 6574 Sonoma Coast n Noyo; Coast n of Noyo Comment
  UC726331  Triphysaria versicolor subsp. versicolor A. A. Heller 1937-5-1 16176 a Sonoma along State Highway #1 on the bluff at Bodega Bay (s of the town of Bay); on the bluff at Bodega Bay Comment
  CAS-BOT-BC200108  Trisetum canescens K. Wagnon 1939-5-14 202 Sonoma In Wagnon's rock quarry 5 mi. west of Sebastopol Comment
  CAS-BOT-BC200109  Trisetum canescens John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54007 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC651086  Trisetum canescens P. B. Kennedy June 1915 Sonoma Del Mar; n Sonoma County Comment
  UCD93496  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  CAS-BOT-BC522360  Triteleia hyacinthina Peter Rubtzoff 1969-5-11 6042 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner road. Comment
  SEINET7067244  Triteleia laxa A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1 and east of Ocean Cove. Coordinate datum: NAD27. Comment
  UC666148  Triteleia laxa Annetta Carter and Ethel Crum 1941-6-22 1642 Sonoma steep ne-facing slope 3.3 mi e Bay (Bodega Bay); North Coast Ranges Comment
  SD112291  Triteleia laxa Darley F. Howe 1963-7-2 Sonoma Sea bluff, 4.2 miles north of junction with #12 on #1. Comment
  SEINET7042391  Triteleia laxa A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC1084454  Triteleia peduncularis G. Thomas Robbins 1937-6-5 216 Sonoma ca 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  SD134045  Triteleia tubergenii Peter Rubtzoff, Rimo Bacigalupi 1971-6-10 6526 Sonoma Grassy flat on south side of West Railroad Avenue, between Freeway 101 and Stony Point Road. Comment
  CAS-BOT-BC74106  Turritis glabra John Thomas Howell 1930-6-8 5291 Sonoma 8.5 miles north of Bodega Bay. Comment
  RSA216176  Typha domingensis Peter Rubtzoff 1955-8-21 2090 Sonoma Vacation Beach, near Guerneville. Near the margin of the Russian River. Comment
  RSA383399  Typha domingensis Christopher Davidson 1977-6-20 6023 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  CAS-BOT-BC91287  Umbellularia californica Aven Nelson; Ruth A. Nelson 1933-5-14 551 Sonoma Kenwood. (Baker's). Comment
  HSC14488  Umbellularia californica D. Sutherland, A. Sylvester, R. Spellenberg 1966-3-26 1336 Sonoma Near Big Geysers Comment
  UC635504  Umbellularia californica H. L. Mason Nov 26 1925-Nov 27 1925 2492 Sonoma Monte Rio, Russian River Russian River; Monte Rio, Russian River Comment
  SEINET9362232  Umbellularia californica Unknown 1990-5-4 Sonoma Sonoma Comment
  UC133488  Uropappus lindleyi C. F. Baker 1903-4-20 2609 Sonoma Mt. St. Helena Comment
  UC848741  Urtica dioica subsp. holosericea Marcus E. Jones, A. M. 1882-7-17 3483 Sonoma Duncan Mills Comment
  CAS-BOT-BC404220  Urtica dioica subsp. holosericea Dennis W. Woodland 1968-6-10 1248 Sonoma 4 miles west of Calistoga on the Santa Rosa Road at road junction along wet stream bank 100 feet south of the road where both roads go to Santa Rosa Comment
  CAS-BOT-BC199472  Vaccinium parvifolium L. R. Abrams 1920-7-3 7595 Sonoma Gualala River Comment
  JEPS45856  Vancouveria planipetala Eleanor Armstrong 1932-5-18 475 Sonoma Camp Meeker 121 Comment
  UCR23387  Vancouveria planipetala John C. Roos 1957-7-2 6647 Sonoma Miller Ridge Comment
  CAS-BOT-BC135762  Veratrum fimbriatum Milo S. Baker 1921-9-20 2556 Sonoma 2 mi. north Stewart's Point Comment
  CAS-BOT-BC135771  Veratrum fimbriatum Catherine Best 1981-8-22 s.n. Sonoma On Green Hill Road 3 miles easterly, airline, from Occidental Comment
  CAS-BOT-BC154132  Verbascum Peter Rubtzoff 1952-6-15 1261 Sonoma Fitch Mountain Grove Resort, near Healdsburg, along Russian River Comment
  CAS-BOT-BC376393  Verbascum Greg de Nevers 1993-8-12 10488 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  CAS-BOT-BC320584  Verbascum Peter Rubtzoff 1969-8-24 6142 Sonoma Pond on River Road 3 miles west of Fulton. Comment
  CDA16002  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  CDA41760  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15680 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  JEPS65942  Verbena lasiostachys var. lasiostachys L. M. Newlon 1921-9-12 271 Sonoma Alexander Valley Comment
  CAS-BOT-BC166701  Veronica americana Peter Rubtzoff 1954-8-3 1632 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC166741  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC182754  Veronica americana Peter Rubtzoff 1958-6-1 3693 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC269312  Veronica americana Peter Rubtzoff 1976-5-30 8559 Sonoma Kenwood Marsh. Comment
  SJSU10306  Vicia americana subsp. americana G. J. Woodside 1969-4-20 Sonoma Dutton Bill Cr, 4 mi above Camp Meeker at Dorothys Rest Comment
  RSA94347  Vicia angustifolia Peter Rubtzoff 1951-7-28 548 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC371404  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along road to Weimar Flat, by big fallen black oak 400 Comment
  UC17028  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  UCD108915  Vicia sativa subsp. nigra Freed W. Hoffman 1947-4-7 1895 Sonoma Between Healdsburg and Calistoga. Comment
  RSA0065197  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Rd. 244 Comment
  RSA128936  Vicia villosa J. T. Howell 1944-5-14 19483 Sonoma Chileno Valley Comment
  RSA264712  Vinca major Peter Rubtzoff 1974-4-6 7362 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  UC1749429  Viola douglasii Milo S. Baker 1933-3-25 7336 Sonoma 5 mi E Santa Rosa; Melitta Comment
  UC1742214  Viola floridana Milo S. Baker 1937-1 Sonoma Brookside Garden Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC536906  Viola glabella Peter Rubtzoff 1954-6-19 1496 Sonoma Sonoma County Marshes: Guerneville Marsh, along the margin of the Marsh where it borders a redwood forest Comment
  CAS-BOT-BC361346  Viola lobata Greg de Nevers 1997-4-24 10966 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1762531  Viola lobata Milo S. Baker 1947-5-5 11714 Sonoma Hod [Hood?] Mt., near Grant Line Comment
  CAS-BOT-BC536964  Viola lobata Milo S. Baker 1926-3-31 164 C Sonoma Triniti Road 1 mi from Hyhway[?] Comment
  UC337768  Viola sempervirens unknown Mar. 1888 Sonoma Redwoods near Healdsburg Comment
  UC1742249  Viola sororia Milo S. Baker 1933-5-26 Sonoma Kenwood Garden Comment
  CDA2765  Viscum album S. Rose 1966-1-2 1090 Sonoma About 1 mile from Sebastopol on Gravenstein Highway North. 0 Comment
  OBI5335  Viscum album C. W. Nichols & W. O. McCartney, W. O. McCartney 1966-1-17 s.n. Sonoma Backyard of 1220 Gravenstein hwy N at Ill Station rd, 1 mi N of Sebastopol Comment
  POM136379  Vitis californica A. A. Heller 1902-6-24 5760 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC312705  Vulpia bromoides Peter Rubtzoff 1960-5-22 4404 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  JEPS45825  Vulpia bromoides Eleanor Armstrong 1932-5-25 175 Sonoma 3 mi w Santa Rosa 45 Comment
  UC576350  Vulpia bromoides H. S. Yates 1937-6-6 6585 Sonoma 3 mi e Jenner; Duncans Mills Quad. 60 Comment
  UCD93565  Vulpia bromoides Peter Rubtzoff 1951-6-16 236 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  UC1146644  Vulpia microstachys var. ciliata Freed W. Hoffman 1941-6-1 2184 Sonoma Oregon Canyon; North Coast Ranges Comment
  UCD93947  Vulpia microstachys var. confusa L. Koch 1940-4-22 839 Sonoma Sulphur Creek Geysers. Comment
  CAS-BOT-BC184595  Vulpia microstachys var. pauciflora Leo Koch 1939-4-16 585 Sonoma Ca. 7 mi. from Petaluma to Marshalls Comment
  CAS-BOT-BC361284  Vulpia microstachys var. pauciflora Greg de Nevers 1997-4-24 10963 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1023598  Vulpia microstachys var. pauciflora Virginia Bufford 1936-5-20 345 Sonoma 3 mi from Mark West (Kellogg-Mark West Rd) Comment
  UC1146643  Vulpia microstachys var. pauciflora Freed W. Hoffman 1942-5-3 2246 Sonoma Oregon Canyon; North Coast Ranges Comment
  SEINET10604533  Vulpia myuros var. hirsuta A. Arthur Heller 1902-4-9 Heller 5250 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC185957  Vulpia octoflora var. octoflora Greg de Nevers 1997-5-8 10995 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CDA2702  Watsonia bulbillifera G. D. Barbe, T. C. Fuller 1972-6-28 950 Sonoma Along north side of Coleman Road, 0.9 to 1.1 miles (1.5 to 1.8 km) west of Occidental. 0 Comment
  CAS-BOT-BC128701  Whipplea modesta Volney Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC128748  Whipplea modesta G. DeNevers 1981-6-20 1647 Sonoma Pepperwood Ranch, at Redwoods Comment
  CAS-BOT-BC128749  Whipplea modesta G. DeNevers; F. Almeda 1981-3-30 4896 Sonoma Pepperwood Ranch, streambank with oaks in vicinity of the Redwood Canyon Comment
  UCD117293  Whipplea modesta J. M. Tucker 1951-6-26 2145 Sonoma Near Top of the World Ranch, ca. 5 miles due east of Glen Ellen. Comment
  UCD117294  Whipplea modesta Michael A. Walker 1974-5-18 83