Search Results — 2000 specimen records retrieved (1248 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR109504  Abronia latifolia Frank C. Vasek 1966-7-16 660716- 03 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  RSA0025741  Abronia latifolia J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  RSA0025771  Abronia latifolia E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  UCD109792  Abronia latifolia Steven Yoder 1969-5-24 28 Sonoma 1 mile north of Marine Lab at Bodega Bay. 7 Comment
  UC1084373  Acer negundo G. Thomas Robbins 1937-3-27 44 Sonoma Santa Rosa bed of Santa Rosa Creek, Santa Rosa Comment
  RSA129916  Acer negundo subsp. californicum Peter H. Raven 1950-4-6 1589 Sonoma Santa Rosa 152 Comment
  RSA264692  Acer negundo subsp. californicum Peter Rubtzoff 1970-8-31 6347 Sonoma Bank of Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  UC971946  Acer negundo var. californicum Martha Meagher 1947-3-22 99 Sonoma county road one-half mi w Freezeout Creek (across Russian River from Duncan's Mills); Russina River, w of Freezeout Creek Comment
  UC496396  Achillea millefolium Merle Randall 1930-6-10 Sonoma shore above mouth Russian River Comment
  UCD128374  Achillea millefolium Terri Williamson 1990-5-20 50 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UCD160830  Achillea millefolium James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3368 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCSB50239  Achillea millefolium Gray, John 1976-5-1 Sonoma Bluff over Salmon Creek State Beach; T6N R11W 18 Comment
  RSA452609  Achlys triphylla Christopher Davidson 1977-6-20 6029 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC29166  Achyrachaena mollis F. Almeda; G. DeNevers 1981-4-28 4913 Sonoma Pepperwood Ranch, vicinity of Bechtel Cabin Comment
  CAS-BOT-BC29161  Achyrachaena mollis Mrs. H. C. Cantelow 1936-5-3 1248 Sonoma Near Shellville Comment
  CAS-BOT-BC29167  Achyrachaena mollis G. DeNevers 1981-4-25 807 Sonoma Franz Valley Road and Mark West Springs Road Comment
  NY380619  Acmispon aestivalis A. A. Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  NY380622  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  CAS-BOT-BC30276  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  UC466769  Adenostoma fasciculatum W. P. Taylor 1913-6-23 Sonoma 7 mi. w. Cazadero (e. side <________ Niestrath's ?>) Comment
  CHSC26308  Adiantum aleuticum P. Kunst 1977-4-12 24 Sonoma Ca. 2 yd n of Coleman Valley Creek and 2.7 mi w of Occidental. 219 Comment
  CAS-BOT-BC384610  Aegilops triuncialis Greg de Nevers 1989-4-1 9066 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCD128432  Agoseris apargioides Gerry North 1993-3 53 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.25 miles NE of parking lot/pinic area on Bald Mtn. 411 Comment
  CAS-BOT-BC183  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  UC126386  Agoseris apargioides var. eastwoodiae Katharine Brandegee 1905-1 Sonoma Bodega Head Bodega Head Comment
  CAS-BOT-BC166700  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC383037  Agrostis Greg de Nevers 1989-4-1 9061 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA785931  Agrostis Peter Rubtzoff 1973-7-24 7195 Sonoma Upper Green Valley Marsh. Comment
  SEINET7297568 Image available Agrostis blasdalei Beecher Crampton 1957-1 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek 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
  UCD51868  Agrostis capillaris Mary M. Hektner 1974-7-18 148 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC127471  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  JEPS116510  Agrostis densiflora Peter Warner, Sarah Gordon 2009-6-14 105 Sonoma Pepperwood Presrve; ; ; Pepperwood Preserve, Franz Valley Road approx 50 m S of barn, in low-lying swale in grassland 328 Comment
  UCD51902  Agrostis densiflora Beecher Crampton 1957-7-11 4341 Sonoma Sonoma Coast State Park, 2.5 miles north of Salmon Creek, just south of Portugese Beach. Comment
  UCD51973  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma above Blind Beach just south of Goat Rock, Sonoma Coast State Park, 9 miles north of Salmon Creek. Comment
  UCD52003  Agrostis densiflora Beecher Crampton 1957-7-11 4343 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  CAS-BOT-BC127404  Agrostis elliottiana Catherine Best 1993-5-6 1413 Sonoma Pepperwood, growing in Weimar Meadow. Comment
  CAS-BOT-BC126969  Agrostis exarata Peter Rubtzoff 1951-9-15 765 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  UC1146692  Agrostis exarata Freed W. Hoffman 1943-10-2 2171 Sonoma on Ross Road near Graton; North Coast Ranges Comment
  SEINET10790027  Agrostis exarata A. Arthur Heller 1902-6-4 Heller 5641 Sonoma Santa Rosa. Comment
  CDA13129  Agrostis exarata var. monolepis G. F. Hrusa, R. Gross 1996-6-3 13064 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
  CAS-BOT-BC139551  Agrostis gigantea Herbert L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC139558  Agrostis gigantea Mary P. Wells 1985-8-5 585 Sonoma Santa Rosa. Ducker Creek bed, Rincon Valley. Comment
  SEINET11690139  Agrostis gigantea M. P. Wells 1985-1 585 Sonoma Ducker Creek, Rincor Valley, Santa Rosa Comment
  UCD52712  Agrostis hallii Beecher Crampton 1957-7-11 4299 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  SBBG115784  Agrostis hallii B. Crampton 1953-5-19 1298 Sonoma ca. 5 mi W of Calistoga on St Hwy 128, at Napa county line Comment
  UCD53048  Agrostis microphylla Beecher Crampton 1969-7-14 8494 Sonoma The Geysers, 12 miles (in direct line) east of Cloverdale. Comment
  UC174639  Agrostis oregonensis A. A. Heller 1902-6-26 Sonoma along creek at foot Mt. Hood; Sonoma Creek Comment
  UCD53478  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  UCD53593  Agrostis stolonifera Mary M. Hektner 1974-6-28 80 Sonoma 6 feet north of Breaker Reach, Unit 21 Owners' Map, Sea Ranch, nera State Highway 1. Comment
  UCD53477  Agrostis stolonifera var. maritima P. B. Kennedy 1916-7-17 325 Sonoma Del Mar. Comment
  CAS-BOT-BC176185  Aira caryophyllea Peter Rubtzoff 1974-5-25 7459 Sonoma Upper Green Valley Marsh. Comment
  UCD55734  Aira caryophyllea Virginia Bufford 1936-5-1 191 Sonoma Sonoma County; near Monte Rio. Comment
  UCD55781  Aira caryophyllea Chris Bowen 1974-5-19 136 Sonoma Unit 24 Owners' Map. Sea Ranch. Near Pacific Reach. Near State Highway 1. Comment
  CAS-BOT-BC138208  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1962-6-13 4892 Sonoma Freestone Marhs. Comment
  CAS-BOT-BC138214  Aira caryophyllea var. caryophyllea John H. Thomas 1966-5-8 11604 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  JEPS97571  Aira praecox R. D. Stone 1980-11-28 325 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  UCD37149  Aira praecox Beecher Crampton 1957-7-11 4327 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  RSA790058  Alisma Peter Rubtzoff 1965-6-20 5558 Sonoma Petaluma Creek, 4 miles northeast of Petaluma (on Stoney Point Road). Comment
  CAS-BOT-BC166765  Alisma lanceolatum Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  RSA800349  Alisma lanceolatum Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC173649  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC445330  Alisma lanceolatum Peter Rubtzoff 1962-7-28 5012 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC445468  Alisma triviale Peter Rubtzoff 1963-7-14 5199 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445469  Alisma triviale Peter Rubtzoff 1962-9-9 5076 Sonoma Brooks Gulch Marsh. Comment
  UCR244504  Alisma triviale Peter Rubtzoff 1965-6-20 5558 Sonoma Petaluma Creek, 4 miles [northwest] of Petaluma (on Stoney Point Road) 53 Comment
  CAS-BOT-BC461068  Allium amplectens Alice Eastwood 1915-6-5 4607 Sonoma Petrified Forest Comment
  CAS-BOT-BC462389  Allium amplectens Milo S. Baker 1934-4-28 7754 Sonoma Jensen ranch. West of Dry Creek 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
  UC584213  Allium dichlamydeum David D. Keck and J. Clausen 1935-6-15 3366 Sonoma 1 mi n Salmon Creek (bluff above ocean) Comment
  RSA123627  Allium peninsulare var. franciscanum Milo S. Baker 1936-5-1 s.n. Sonoma Hope Valley Comment
  UC909763  Allium peninsulare var. franciscanum Milo S. Baker 1950-5-20 12222 Sonoma sw Kenwood (Wood road n of (opposite) old Chamberlain ranch); Hope Valley Comment
  UC972352  Allium unifolium G. Thomas Robbins 1951-4-24 3387 Sonoma about 3 mi se Santa Rosa; Bennett Valley Comment
  UCD160307  Allium unifolium James A. Neilson Jr. 1975-5-23 3207 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC474315  Allium unifolium G. DeNevers 1981-5-9 1061 Sonoma Below the old Strebel Homestead Comment
  CAS-BOT-BC251181  Alnus Peter Rubtzoff 1960-9-15 4549 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC169655  Alnus rhombifolia Peter Rubtzoff 1960-6-9 4488 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  UCD109997  Alnus rhombifolia Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1773 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. In Adobe Canyon along Goodspeed Trailhead along Adobe Canyon Road S of Sonoma Creek. 198 Comment
  CAS-BOT-BC169362  Alnus rubra Peter Rubtzoff 1962-7-14 4998 Sonoma Lower Salmon Creek Marsh, along streamlet Comment
  CAS-BOT-BC169367  Alnus rubra John Thomas Howell 1934-3-3 11736 Sonoma 8 miles S of Fort Ross Comment
  CAS-BOT-BC138046  Alopecurus aequalis var. sonomensis John Thomas Howell 1947-6-5 23229 Sonoma Cunningham Marsh. Comment
  JEPS97562  Alopecurus saccatus R. D. Stone 1985-6-1 675 Sonoma Shiloh Ranch Mark West Springs (2.3 airmiles NE of intersection of Shiloh and Faught rds.; 0.6 airmiles WSW of); valley of sm. tributary in Mark West Creek drainage 259 Comment
  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
  CAS-BOT-BC258029  Amaranthus Peter Rubtzoff 1973-8-29 7284 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC540839  Amaranthus Peter Rubtzoff 1973-8-20 7235 Sonoma Sonoma Creek bottom hear Agua Caliente Road crossing W of Agua Caliente Comment
  RSA90495  Amaranthus blitoides Milo S. Baker 1954-09 13035 Sonoma Rotherts Garden, Maplewood Comment
  RSA29215  Ambrosia chamissonis var. chamissonis E. K. Balls 1953-10-9 18595 Sonoma South end of Doran Park, Bodega Bay, Hwy 1 3 Comment
  CAS-BOT-BC366872  Amelanchier pallida Greg de Nevers 1998-4-27 11198 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC180632  Amorpha californica var. californica M. K. Curran 1886-6-6 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC177223  Amorpha californica var. napensis A. Day 1982-6-1 82 65 A Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC222275  Amsinckia Alice Eastwood 1933-5-7 18843 a Sonoma Sonoma Comment
  CHSC3152  Amsinckia spectabilis Dona Kingsford 1966-4-6 Sonoma Petaluma-Valley Ford Road 3.5 miles SW. of Bodega City. Comment
  UC1084547  Amsinckia spectabilis Peter Kamb 1952-5-30 2300 Sonoma n of Bodega Head (dunes between Bodega Harbor and the ocean) 6 Comment
  UCD119806  Amsinckia spectabilis Peter Kamb; Ray 1952-5-30 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head. 30 Comment
  SD41476  Anagallis arvensis Edith A. Purer 1932-7-21 4052 Sonoma Bodega Bay, sea bluff Comment
  UCD144664  Anagallis arvensis Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 69 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  UCD15058  Anagallis arvensis James Aronson 1977-4-15 19 Sonoma California, Sonoma Co.; 10.4 miles west of intersection with Dutcher Creek Road along Skaggs Springs Road; Comment
  CAS-BOT-BC45277  Ancistrocarphus filagineus H. L. Mason 1934-4-28 8093 Sonoma Jensen's Ranch, Dohrmann Creek Comment
  UC581123  Ancistrocarphus filagineus H. L. Mason 1934-4-28 8093 Sonoma Jenson's Ranch; Dohrmann Creek Comment
  UC1011022  Andropogon virginicus var. virginicus Virginia Bufford 1935-9-8 77 Sonoma Pitkins Marsh Comment
  HSC71481  Angelica californica J. M. DiTomaso 1980-6-13 1596 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  CAS-BOT-BC221429  Angelica hendersonii John Thomas Howell 1930-7-27 5408 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC221435  Angelica hendersonii David D. Keck; J. Clausen 1935-6-15 3373 Sonoma 1 mile north of Salmon Creek Comment
  UCD127228  Angelica hendersonii Mary M. Hektner; Cathy Hendel 1974-7-25 175 Sonoma Shell Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD128895  Anisocarpus madioides Gerry North 1993-4 48 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Bald Mountain trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  CAS-BOT-BC173823  Anthemis cotula Peter Rubtzoff 1959-9-19 4279 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC102230  Anthemis cotula Peter Rubtzoff 1952-6-10 1235 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC137766  Anthoxanthum aristatum G. DeNevers 1982-5-2 1971 Sonoma Pepperwood Ranch. Along manzanita trail just before the tunnel. Comment
  POM261545  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  UC589907  Anthoxanthum aristatum Milo S. Baker April 1936 Sonoma n of Windsor ( Healdsburg); Healdsburg Comment
  CAS-BOT-BC280669  Anthoxanthum occidentale Peter Rubtzoff 1953-5-17 1377 Sonoma Vacation Beach, near Guerneville Comment
  UCD85329  Anthoxanthum occidentale Collector Unknown 1941-3-1 s.n. Sonoma Garden in S. R. (Bud's) Comment
  CAS-BOT-BC137691  Anthoxanthum odoratum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 miles east of Stewarts Point. Comment
  RSA129297  Anthoxanthum odoratum H. S. Yates 1937-6-6 6583 Sonoma 1 mile E. of Duncan Mills 91 Comment
  RSA648061  Anthoxanthum odoratum Roos 1924-6-20 1524 Sonoma Between Santa Rosa and Sonoma. Comment
  UCD56169  Anthoxanthum odoratum Beecher Crampton 1955-6-17 2940 Sonoma 1/2 mile north of Guerneville, along Fife Creek. Comment
  CAS-BOT-BC248903  Antirrhinum virga A. A. Heller 1902-6-26 5775 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  SEINET7924427  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa. Comment
  CAS-BOT-BC395018  Aquilegia formosa Ella Dales Cantelow 1939-4-10 2601 Sonoma 2.3 mi s. of Stewarts Point Comment
  CAS-BOT-BC17343  Arabis blepharophylla John Thomas Howell 1930-6-8 5253 Sonoma 1 mile east of Bodega Bay. Comment
  CAS-BOT-BC171645  Aralia californica Greg de Nevers 8239 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC128622  Arbutus menziesii J. W. Congdon 1880-10-14 s.n. Sonoma Healdsburg Comment
  UC6047  Arceuthobium campylopodum W. L. Jepson 1893-9-23 Sonoma first summit Mt. St. Helena Comment
  CHSC69209  Arctostaphylos James D. Jokerst 1989-4-14 3097 Sonoma Healdsburg Area A Specific Plan Study, in project area. Comment
  UC535018  Arctostaphylos H. F. Copeland 1933-3-18 A 13 Sonoma on College Ave. Hwy near Santa Rosa; Vine Hill region Comment
  CAS-BOT-BC24081  Arctostaphylos bakeri Lewis S. Rose 1955-3-21 55031 Sonoma 2 mi. NE of Occidental 213 Comment
  CAS-BOT-BC24086  Arctostaphylos bakeri Roxana S. Ferris; Laura Lorraine 1961-6-15 13566 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road. Comment
  CAS-BOT-BC24087  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10954 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC25323  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10893 Sonoma Graton-Occidental road. Comment
  UC549713  Arctostaphylos bakeri J. E. Adams 1935-3-1 1029 Sonoma 2 mi w Occidental Comment
  UCD50405  Arctostaphylos bakeri Freed W. Hoffman 1948-4-1 2753 Sonoma Dutch Bill Creek near Camp Meeker. 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
  SEINET12524557 Image available Arctostaphylos bakeri C. M. Belshaw 1936-1 1557 Sonoma 2 miles north-northeast of Occidental, Sebastopol quadrangle Sec._ T. 7N.,R. low. 189 Comment
  RSA139995  Arctostaphylos bakeri subsp. bakeri A. E. Wieslander 1936-9-19 707 Sonoma 1 mile northwest of Occidental 213 Comment
  SEINET11998352  Arctostaphylos bakeri subsp. sublaevis Unknown 1987-1 70795 Sonoma N of Cazadero, The Cedars, near confluence of N & E branches of headwaters of Red Slide Creek 421 Comment
  RSA622721  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24770 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1281371  Arctostaphylos canescens subsp. canescens H. E. McMinn 1936-4-4 4395 Sonoma ridge near R. L. Stevenson Monument; Mt. St. Helena Comment
  UCD170266  Arctostaphylos canescens subsp. canescens S. J. Seybold; M. A. Siefker 2017-11-14 s.n. Sonoma Vadasz Vineyards, 18070 Carriger Road.Located along driveway near house. 64 Comment
  UCD55064  Arctostaphylos canescens subsp. canescens Ellen Dean; California Department of Forestry Personnel 2006-4-26 3002 Sonoma Top of Mt. St. Helena. 1319 Comment
  CAS-BOT-BC23886  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12896 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23887  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-7-4 13079 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23897  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10944 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA177966  Arctostaphylos canescens subsp. sonomensis R. F. Thorne 1965-4-20 34387 Sonoma Robert Sone's place on Rock Ridge Lane- Montecito Ave. on Rincon Ridge, Santa Rosa. 106 Comment
Read comments
Aug 10 2011
  UC1120077  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1575 A Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC876539  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma ne Santa Rosa; Rincon Ridge Comment
  CAS-BOT-BC23643  Arctostaphylos columbiana Mary P. Wells 1981-4-19 s.n. Sonoma Along P.G.&E. right-of-way, no. of unit 27-A The Sea Ranch Comment
  RSA30114  Arctostaphylos columbiana E. K. Balls, Percy C. Everett, B. K. Balls 1953-10-9 18603 Sonoma 0.2 mi. NW of Ocean cove, Hwy 1 between Fort Ross and Point Arena; 5 mi. NW of Fort Ross 91 Comment
  CAS-BOT-BC25025  Arctostaphylos densiflora John Thomas Howell 1963-11-21 421 Sonoma Vine Hill Rd. ca. 5 mi N past Pitkin Ranch. Comment
  UC549451  Arctostaphylos densiflora J. E. Adams 1934-3-28 724 Sonoma Vine Hill School Sta. Rosa Comment
  UCD162188  Arctostaphylos glandulosa D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1523 Sonoma Hooker Creek watershed. 520 Comment
  SEINET11998394  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1987-1 6080 Sonoma adjacent to Pepperwood Prserve in Devils Kitchen 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-BC24718  Arctostaphylos glandulosa subsp. glandulosa Susan M. Smith 2004-2-9 s.n. Sonoma Scattered over 80 acre native plant preserve. On St. Helena Rd, 3.5 mi' e. of Calistoga Rd. 487 Comment
  CAS-BOT-BC24722  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5170 Sonoma S. of Mt. Tam. 5.1 mi. w. on kelly Road from Rockpile Road junction. 609 Comment
  RSA631198  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24728 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA96697  Arctostaphylos glandulosa subsp. glandulosa P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20378 Sonoma 4.9 mi. s.w. of Lake-Sonoma Co. Line, w. slopes of Mt. St. Helena. 534 Comment
  CDA31299  Arctostaphylos glandulosa var. cushingiana D. G. Kelch, Ed Biffin 2010-5-3 10 .204 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  OBI14676  Arctostaphylos hispidula B. F. Smith 1962-8-3 28 Sonoma 3.5 mi NNW of Occidental 158 Comment
  RSA364256  Arctostaphylos hispidula Roger Raiche 1984-2-3 RR 40028 Sonoma Kelly Road northwest of Mt. Tom (5.3 miles northwest from its origin at Rockpile Road) 533 Comment
  SEINET11993016  Arctostaphylos hispidula W. Knight, Knight, I.; Edwards, S. W. 1985-1 5172 Sonoma S of Mt. Tom, 5.1 mi W of Kelly Road from Rockpile Road junction 610 Comment
  SEINET11993340  Arctostaphylos hispidula Unknown 1984-1 40028 Sonoma Kelly Road NW of Mt. Tom (5.3 mi NW from its origin at Rockpile Rd) 533 Comment
  POM294825  Arctostaphylos hookeri subsp. hookeri Boone Hallerg 1947-4-9 199 Sonoma 2 miles NE of Graton, Trenton Road 76 Comment
  RSA633054  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27491 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  RSA633057  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27492 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  UCD59420  Arctostaphylos manzanita Walter and Irja Knight; Research Associates, Roger Raiche, and Steve Edwards 1983-7-3 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch. 274 Comment
  RSA633050  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24812 Sonoma Vinehill School Road [near Graton, E of Pitkin Marsh] 90 Comment
Read comments
Feb 9 2014
  SEINET11984821  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1072 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11990969  Arctostaphylos manzanita Unknown 1983-1 30491 A Sonoma near intersection between East Austin Creek & Gray Creek 140 Comment
  SEINET11990977  Arctostaphylos manzanita Unknown 1983-1 30499 E Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990992  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4760 Sonoma The Cedars, near Cazadero on Twitchell Ranch 244 Comment
  SEINET11991019  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4752 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET11998387  Arctostaphylos manzanita W. Knight, Knight, I. 1990-1 6577 Sonoma near jct of Old Quarry Rd near county refuse disposal site, extends along road for 0.5 mile 191 Comment
  SD108298  Arctostaphylos manzanita subsp. bakeri Stephen W. Edwards 1981-2-16 Sonoma Green Hill Road Comment
  SEINET11977792  Arctostaphylos manzanita subsp. bakeri C. M. Belshaw 1936-1 1553 Sonoma 1 mi NE of Occidental 37 Comment
  CAS-BOT-BC38901  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7942 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38906  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11302 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38907  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11305 Sonoma Mt. St. Helena Comment
  OBI70632  Arctostaphylos manzanita subsp. glaucescens Larry E. Brown 1997-8-12 20797 Sonoma E of hwy 101 off of village ofAsti S of Cloverdale Comment
  SEINET11994915  Arctostaphylos manzanita subsp. glaucescens W. Knight, Knight, I. 1987-1 6083 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  CAS-BOT-BC38684  Arctostaphylos manzanita subsp. manzanita Roman Gankin 1957-11-1 248 Sonoma Vine Hill Shcool Road, .1 mile east of junction with Vine Hill road, ca. 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38700  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 10 Sonoma Vine Hill region, west of Santa Rosa Comment
  CAS-BOT-BC38713  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1952-3-22 870 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38744  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-4-1 5044 Sonoma Vine Hill Region Comment
  CAS-BOT-BC38749  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 727 Sonoma 4 or 5 mi from Seaview, Cazadera Rd. Comment
  UC1084351  Arctostaphylos manzanita subsp. manzanita G. Thomas Robbins 1937-3-25 7 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  UC909843  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 729 Sonoma rd. to Cazadero Seaview Comment
  CAS-BOT-BC38689  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-6-15 6691 Sonoma Thicket, 1 mile N. of Sebastapool Comment
  UCD52048  Arctostaphylos manzanita subsp. manzanita Frederica Bowcutt 1996-2-25 2065 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; about 1 air mile NNW of Bald Mtn. (elev. 2275'); just N of Meadow Trail. 693 Comment
  SEINET3164340  Arctostaphylos sonomensis L. S. Rose 1940-2-12 40006 Sonoma Rincon Ridge, 2 mi. e. of Santa Rosa 61 Comment
  LA42283  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 11 Sonoma Spring Mountain Road, about 8 mi. E of Santa Rosa Comment
  RSA636809  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24746 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC535025  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 6 Sonoma near Santa Rosa; Rincon Ridge Comment
  UC549680  Arctostaphylos stanfordiana J. E. Adams 1935-3-1 1021 Sonoma e Sta. Rosa; Rincon Ridge Comment
  UCD53849  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 688 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  SEINET11987272  Arctostaphylos stanfordiana J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4103 Sonoma Strybing Arboretum, Golden Gate Park, San Francisco, orig. from Triniti Road Comment
  UC725948  Arctostaphylos stanfordiana A. A. Heller 1942-3-15 16394 Sonoma just ne Santa Rosa; Rincon Ridge Comment
  JEPS95229  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  RSA339401  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1985-2-3 50041 Sonoma Unnamed ridge west side of Dry Creek Valley, N of Cran Creek & S of Bradford Mountain 182 Comment
  UC549526  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 824 Sonoma McNamee's Store Comment
  UC909827  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 740 Sonoma s McNamees Store Comment
  SEINET11989191  Arctostaphylos viscida S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge, N of Cazadero, NW of King Ridge Rd at source of Big Austin Creek Comment
  SEINET11991028  Arctostaphylos viscida W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4750 Sonoma The Cedars, on Twitchell Ranch near Cazadero 305 Comment
  UCSB21056  Arctostaphylos viscida McMinn, Howard 1936-4-4 Sonoma 2 miles north of St. Helena Inn near bridge on highway Comment
  UC1193019  Arctostaphylos viscida subsp. pulchella R. H. Neuns 1950-5-23 116 Sonoma 2 mi ne The Geysers; Quad 60B4 1066 Comment
  CAS-BOT-BC47471  Arctostaphylos viscida subsp. viscida C. H. M. 1907-7-27 s.n. Sonoma Mt. St. Helena, Calif. Near summit 1st ridge on road from Middletown to Knight's Valley. 731 Comment
  CAS-BOT-BC400486  Aristolochia californica Peter Rubtzoff 1951-9-3 738 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  RSA262356  Armeria maritima subsp. californica Steven Yoder 1969-5-24 29 Sonoma 1 mile N of Bodega Marine Lab. 9 Comment
  RSA40726  Armeria maritima subsp. californica E. K. Balls, Percy C. Everett 1953-10-9 18602 Sonoma 0.7 mi NW of Salmon Creek, Hwy 1 between Bodega Bay and Jenner, Sonoma Coast State Park. 15 Comment
  UCD19910  Armeria maritima subsp. californica C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1191 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  CAS-BOT-BC82561  Arnica discoidea Greg de Nevers 1996-6-17 10833 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  CAS-BOT-BC82566  Arnica discoidea Alice Eastwood; John Thomas Howell 1939-6-11 7410 Sonoma Near [Triniti] Trinity P.O., Hood Mt. Range Comment
  CAS-BOT-BC82567  Arnica discoidea H. K. Wagnon; J. T. Vale 1988-6-11 s.n. Sonoma Skaggs Springs Road, between Annapolis Road & Lake Sonoma Comment
  CAS-BOT-BC227670  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone marsh. Comment
  RSA129574  Arrhenatherum elatius H. S. Yates 1937-5-30 6557 Sonoma 1 1/2 miles N of Freestone. Comment
  CAS-BOT-BC172574  Artemisia Peter Rubtzoff 1951-9-3 732 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC90493  Artemisia douglasiana Peter Rubtzoff 1951-9-2 699 Sonoma Southern half of Lower Marsh Comment
  RSA796170  Artemisia douglasiana Peter Rubtzoff 1970-9-3 6371 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UC628481  Artemisia suksdorfii J. Clausen 1939-7-20 1715 Sonoma along road just n Jenner (towards Fort Ross) 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
  UC1199085  Astragalus breweri Joseph P. Tracy 1921-5-26 5798 Sonoma 6 mi nw Cloverdale (moist flat along highway); Northern Coast Ranges, nw of Cloverdale 304 Comment
  UCD168059  Astragalus breweri James Neilson 1977-4-24 3885 Sonoma crest of Mayacmas Mountains. (Exact location unknown. Neilson may have been on the south side of Pine Mountain on this date.) Comment
  CAS-BOT-BC178659  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma Open grassy hills in shallow volcanic clay soil, 7 mi. n.e. of Santa Rosa, near Alpine School 167 Comment
  CAS-BOT-BC186823  Astragalus gambelianus Mrs. C. A. Burlingame 1922-5-1 s.n. Sonoma Sonoma Comment
  CAS-BOT-BC66010  Athyrium filix-femina Greg de Nevers 1996-9-1 10870 Sonoma Ida Clayton Road over Mt. St. Helena 914 Comment
  CAS-BOT-BC290666  Atriplex Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCSC000219  Atriplex prostrata E. L. Greene 1888-9-1 s.n. Sonoma Petaluma Comment
  RSA127609  Avena fatua David L. Morgan 1956-5-11 s.n. Sonoma 311 Mountain View Ave., Petaluma. Comment
  CAS-BOT-BC145722  Avena fatua David L. Morgan 1956-6-15 s.n. Sonoma Approximately 2.5 miles southwest of Petaluma on the San Antonio Road. Comment
  CAS-BOT-BC68344  Azolla filiculoides Peter Rubtzoff 1960-5-29 4424 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CDA33712  Azolla filiculoides Patrick Akers 2011-2-22 s.n. Sonoma Sonoma. 2299 Sobre Vista Road 0 Comment
  CDA18777  Barbarea orthoceras Boris Korotyaev 2000-3-26 s.n. Sonoma Northern California; Coleman Valley Rd. 4 km. W of Occidental. 0 Comment
  UCR255939  Barbarea orthoceras Peter Rubtzoff 1989-6-10 10002 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  CAS-BOT-BC145826  Beckmannia syzigachne Peter Rubtzoff 1958-8-16 3876 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC145830  Beckmannia syzigachne Hy Edwards 1877-1-1 s.n. Sonoma Knight's Valley. Comment
  JEPS45857  Beckmannia syzigachne Eleanor Armstrong 1932-5-16 156 Sonoma 8 mi w Santa Rosa (near Wright School, swamp) 30 Comment
  POM206249  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, southeast of Santa Rosa. Comment
  JEPS97534  Bellis perennis R. D. Stone 1980-11-30 330 Sonoma near landing strip and fire station at Sea ranch Annapolis Rd.; Sea Ranch 91 Comment
  SEINET5223259  Bellis perennis Unknown 1994-4-3 79 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  CAS-BOT-BC290722  Bidens frondosa Peter Rubtzoff 1961-8-24 4712 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  UCR250384  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC100256  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field sw. of Sonoma Comment
  NY30993  Blennosperma bakeri M. S. Baker 1946-4-2 11307 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
  RSA0008302  Blennosperma bakeri Milo S. Baker 1952-3-20 12393 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur. Comment
  OBI48606  Blennosperma nanum Michener and Bioletti, Bioletti April 1893 Sonoma Kenwood Comment
  CAS-BOT-BC105961  Blennosperma nanum var. nanum A. A. Heller; H. E. Brown 1902-3-14 s.n. Sonoma Near Windsor Comment
  UC1211922  Blennosperma nanum var. nanum John H. Weiler 1961-2-17 615 Sonoma 3.4 mi n of, along State Highway 12 Agua Caliente Comment
  CAS-BOT-BC154957  Boisduvalia densiflora Peter Rubtzoff 1962-6-19 4919 Sonoma Occidental Marsh Comment
  CAS-BOT-BC164391  Boisduvalia glabella Peter Rubtzoff 1958-8-31 3959 Sonoma Atascadero Creek Marsh Comment
  SEINET8345733  Bolboschoenus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma [Guermeville learsh]. Comment
  SEINET11750918  Bolboschoenus glaucus W. Knight, Knight, I. 1990-1 6596 Sonoma Sonoma Mission Comment
  RSA0034188  Bolboschoenus maritimus Peter Rubtzoff 1972-8-26 6859 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC368070  Boykinia Greg de Nevers 1998-5-31 11268 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek below Michele Lane. 400 Comment
  RSA0057963  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  CAS-BOT-BC418505  Boykinia occidentalis Greg de Nevers 1996-6-10 10830 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 487 Comment
  POM142187  Boykinia occidentalis A. A. Heller 1902-6-26 5772 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC145448  Brachypodium distachyon John Thomas Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC145449  Brachypodium distachyon Mary P. Wells 1984-5-5 329 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  CAS-BOT-BC36619  Brassica nigra Dorothy Scherer 1996-4-19 032 Sonoma East of Highway 1 and south of Fort Ross Creek. Fort Rose State Histroric Park. 51 Comment
  CAS-BOT-BC36652  Brassica oleracea Mary P. Wells 1989-4-3 977 Sonoma Santa Rosa. Rincon Valley. Streamside of fence east of Friends House. Comment
  CAS-BOT-BC376301  Brassicaceae Greg de Nevers 1989-2-1 9035 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  UC1299277  Brickellia californica Freed W. Hoffman 1946-8-16 786 Sonoma 1 mi below Guerneville (gravel bar along Russian River, North Coast Ranges); North Coast Ranges, Russian River Comment
  RSA633342  Briza maxima Michael A. Vincent, Ethan H. Freid 1997-11-14 8172 Sonoma Bodega Bay, 0.5 mile northeast of city limits along Rt. 1 Comment
  CAS-BOT-BC145285  Briza minor Peter Rubtzoff 1961-10-15 s.n. Sonoma Vacation Beach, 2 miles below Guerneville. On Russian River bottom. Comment
  CAS-BOT-BC145294  Briza minor G. DeNevers 1981-5-30 1379 Sonoma Pepperwood Ranch. On the shore of the Pippindale Pond, above the high water mark. Comment
  CDA36959  Briza minor 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
  RSA785739  Briza minor Carrie A. Herd 1982-4-25 74 Sonoma Crane Creek Regional Park,. Comment
  UC796668  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma 4 mi w Calistoga (just w of county line) Comment
  UCD57415  Briza minor Gerry North 1993-4 42 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. South of Hillside Trail, at fork by water tank. 426 Comment
  CAS-BOT-BC474558  Brodiaea coronaria Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1 43 Comment
  JEPS74716  Brodiaea elegans subsp. elegans Eleanor Armstrong 1932-5-26 480 Sonoma 1 1/2 mi e Camp Meeker 121 Comment
  UC843568  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  CAS-BOT-BC484397  Brodiaea elegans subsp. elegans Peter Rubtzoff 1971-6-23 6545 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road Comment
  UC963918  Brodiaea leptandra Milo S. Baker 1947-5-30 11771 Sonoma sw slope Hood Mt. (near house trail from Gray Ranch) Comment
  UC119909  Brodiaea terrestris subsp. terrestris Katharine Brandegee 1905-6-8 Sonoma between Santa Rosa Sebastopol Comment
  UC353798  Brodiaea terrestris subsp. terrestris Milo S. Baker 1928-4-28 3002 b Sonoma Pitkin Swamp 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-BC487729  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1969-5-11 6041 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC331481  Bromus Peter Rubtzoff; H. A. Froebe 1971-5-30 6459 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UC37742  Bromus arizonicus H. N. Bolander 1860-1 Sonoma Mark West Creek Comment
  UCD36682  Bromus carinatus Beecher Crampton 1955-6-17 2929 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. 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
  UCD58250  Bromus carinatus Collector unknown 1941-4-1 Sonoma Santa Rosa. Franklin Ave. Comment
  CAS-BOT-BC149093  Bromus carinatus var. carinatus G. DeNevers 1981-6-20 1594 Sonoma Pepperwood Ranch. At confluence of Mark West Creek with Leslie Creek. Comment
  SEINET249950 Image available Bromus carinatus var. carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC149082  Bromus carinatus var. carinatus David L. Morgan 1961-4-11 s.n. Sonoma Highway 101, 3 miles south of Petaluma. Comment
  UCSC000041  Bromus carinatus var. carinatus Charisse Bickford 1979-5-14 s.n. Sonoma 2 miles E. of Mark West Springs - Calistoga 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
  UCD160977  Bromus carinatus var. marginatus James A. Neilson Jr. 1975-7-8 3305 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  RSA128739  Bromus diandrus P. H. Raven 1950-4-6 1595 Sonoma Santa Rosa to Rincon Ridge Comment
  UCD58587  Bromus diandrus Chris Bowen 1974-5-18 s.n. Sonoma Unit 24 Owner's Map. Sea Ranch, near State Highway 1. Comment
  SEINET4391007  Bromus diandrus Unknown 1999-4-19 s.n. Sonoma Bodega Bay Highway Comment
  CAS-BOT-BC155204  Bromus hordeaceus Peter Rubtzoff 1958-5-10 3640 Sonoma Laguna de Santa Rosa east of Cunningham (Near Llano Road). Comment
  CAS-BOT-BC155211  Bromus hordeaceus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53969 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UC1037113  Bromus hordeaceus Leo Whitney 1935-3-16 2264 Sonoma near Occidental (Orchard, Sutherland Ranch); Orchard, Sutherland Ranch Comment
  UCD58688  Bromus hordeaceus Beecher Crampton 1957-7-11 4338 Sonoma Bluffs just south of Portuguese Beach. Sonoma Coast State Park. 2.5 miles north of Salmon Creek. Comment
  UCD66095  Bromus hordeaceus Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1751 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  CAS-BOT-BC155243  Bromus hordeaceus David L. Morgan 1956-4-5 s.n. Sonoma Petaluma. Mountain View Avenue. Comment
  UCD58769  Bromus hordeaceus Beecher Crampton 1956-4-24 3309 Sonoma Healdsburg. Prince and Sherman Sts. Comment
  SEINET3923003  Bromus japonicus Fred W. Hoffman 1941-7-5 2079 Sonoma Forestville, CA.; 0 Comment
  CAS-BOT-BC162397  Bromus laevipes G. DeNevers 1981-5-9 1101 Sonoma Pepperwood Ranch. South of Redwood Canyon. Comment
  JEPS128385  Bromus laevipes Roger Raiche 2000-5-4 064 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS27963  Bromus laevipes Rimo Bacigalupi and L. Heckard 1961-6-9 7744 Sonoma about 3/4 mi nw of Occidental School (along Stoetz Lane about 1/2 mi nw of its junction with Harrison Grade Road, at head of North Fork of Lancel Creek); Stoetz Lane, North Fork Lancel Creek 222 Comment
  UCD144423  Bromus laevipes Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1752 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  UCD151079  Bromus laevipes James A. Neilson Jr. 1974-6-1 3007 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD36300  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma Sonoma County, 10 miles west of Calistoga, on Highway 128. Comment
  UCR151572  Bromus madritensis Beecher Crampton 1954-4-26 1794 Sonoma N end of Alexander Valley, border of Mendocino Co., 3 miles north of Cloverdale along U.S. Highway 101 122 Comment
  UCD36537  Bromus madritensis subsp. madritensis Beecher Crampton 1954-4-26 1794 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  HSC101106  Bromus pseudolaevipes Peter Warner 2011-6-14 212 Sonoma E of Sonoma; Two Terriers Vineyards, 2320 Loval Valley Road; along Arroyo Seco (creek) 102 Comment
  CAS-BOT-BC233704  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  UCD114948  Cakile maritima Mary M. Hektner 1974-7-19 150 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD114956  Cakile maritima Walter Russell 1947-3-5 s.n. Sonoma Bodega Bay. Comment
  UCR254899  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  RSA0064342  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Hillside depression southeast of lower Salmon Creek Marsh. Comment
  RSA94095  Calamagrostis bolanderi J. T. Howell 1947-6-5 23235 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC185124  Calamagrostis nutkaensis David D. Keck 1948-6-29 5929 Sonoma 2 miles north of Fort Ross. 45 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
  UCD57506  Calamagrostis nutkaensis P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD57512  Calamagrostis nutkaensis Beecher Crampton 1957-7-11 4349 Sonoma ca. 9 miles north of Salmon Creek, just south of Goat Rock, Sonoma Coast State Park, above Blind Beach. Comment
  UCD57526  Calamagrostis nutkaensis Beecher Crampton 1957-7-22 4384 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  SD56676  Calamagrostis nutkaensis D. F. Howe 1953-7-3 3582 Sonoma 19 miles north of junction with #12 on #1 Comment
  SEINET10900606  Calamagrostis nutkaensis George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3074 Sonoma 5 m S of Stewart's Point, Comment
  UCD160969  Calamagrostis ophitidis James A. Neilson Jr. 1975-7-8 3411 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC438609  Calandrinia ciliata A. A. Heller; H. E. Brown 1902-4-9 5234 Sonoma Three miles South of Healdsburg Comment
  CAS-BOT-BC438608  Calandrinia ciliata G. DeNevers 1982-3-28 1937 Sonoma Pepperwood Ranch. Across the pasture from the barn at Pepperwood. Comment
  UC1300960  Calandrinia ciliata H. L. Mason 1963-2-24 Sonoma orchard of H. L. Mason Ranch Kenwood Comment
  JEPS101264  Calochortus amabilis Dean W. Taylor 1994-5-4 14221 Sonoma 1.8 mi N of Camp Meeker along Bohemian Hwy; Dutch Bill Cr drainage just downstream confluence with Duvol Creek 76 Comment
  CAS-BOT-BC483285  Calochortus amabilis D. E. Breedlove 1962-6-6 2895 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC483294  Calochortus amabilis Wayne Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, n.w. side of Mt. St. Helena 304 Comment
  JEPS82300  Calochortus raichei Roger Raiche 1983-7-31 30571 Sonoma above Thompson Creek (s-facing slopes of Thompson Ridge); Austin Creek State Recreational Area, Thompson Ridge 243 Comment
  JEPS83742 Image available Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma n Cazadero (near Laton Mine); The Cedars, headwaters of Big Austin Creek; N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. Sonoma Co. 840 Comment
  SEINET5093107  Calochortus raichei Unknown 1995-6-25 093 .95 Sonoma N of Cazadero; The Cedars; Red Slide Creek drainage; at the top of Red Slide Falls Comment
  JEPS61740  Calochortus tolmiei Vina Krager 1849-4-26 Sonoma 15 mi from Duncan's Mills; Bodega Comment
  SJSU9953  Calochortus tolmiei F. L. Reynolds 1962-5-26 51 Sonoma Salt Point Ranch, 8 mi NW of Fort Ross 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
  UCD129819  Calycadenia multiglandulosa Jack Guggolz; Betty Guggolz 1990-6-16 1064 Sonoma north side of intersection of Occidental Road and Facendini Lane on serpentine. Comment
  RSA255606  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers 488 Comment
  UC1953742  Calycadenia pauciflora 1978-8-19 2141 Sonoma 2.0 mi N of Hwy 128 on Ida Clayton Road (GDC 688) Comment
  CAS-BOT-BC272757  Calycadenia truncata subsp. truncata John Thomas Howell 1926-10-3 2212 Sonoma Two miles from Petrified Forest on road to Calistoga Comment
  CDA17200  Calycanthus occidentalis G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16199 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  HSC3814  Calycanthus occidentalis M. E. Ferguson, E. Ferguson 1919-6-8 Sonoma Near Guerneville, Russian River. Comment
  RSA177998  Calycanthus occidentalis R. F. Thorne 1965-4-19 34301 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  UC1536225  Calycanthus occidentalis William Stone 1987-5-25 Sonoma 3 mi e Guerneville (Russian River, Odd Fellows Recreation Club Park) Comment
  UC400137  Calycanthus occidentalis Ynes Mexia 1929-6-2 2397 Sonoma near Santa Rosa Comment
  JEPS29352  Calypso bulbosa Wayne Roderick 1963-3-2 Sonoma 3 mi nw of Occidental (on Willow Creek Road); Willow Creek Road 304 Comment
  UC4383  Calypso bulbosa J. Burtt Davy 1896-3-14 1652 Sonoma Cazadero Comment
  RSA0059767  Calystegia D. F. Howe 1969-5-28 s.n. Sonoma 13.5 miles north of Jenner on Highway 1. 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
  UC23186  Calystegia collina subsp. oxyphylla Edw. L. Greene 1892-1 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC224741  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  UCD167354  Calystegia purpurata subsp. saxicola James Neilson 1981-5-28 4035 Sonoma Mayacmas Mountains. Geysers Healdsburg Rd. about 1/2 mile west Geysers Resort. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC224353  Calystegia subacaulis subsp. subacaulis J. W. Congdon 1880-6-13 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC498783  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  RSA94314  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Pitkin Marsh, near Forestville; Lower part of the upper Marsh, in an open marshy area Comment
  CAS-BOT-BC160365  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma North of the town of Bay, Bodega Bay Comment
  CAS-BOT-BC266427  Campanula californica Peter Rubtzoff 1951-6-30 299 Sonoma The Pitkin Marsh, near Forestville. W branch of the Upper Marsh Comment
  SEINET10463919  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma ANAPOLIS Comment
  SEINET10872993  Campanula californica Howell 1945-8-14 Howell 21402 Sonoma Perry Marsh Comment
  CLARK-A1528-2364  Campanula prenanthoides John C. Roos 1957-7-2 Sonoma Miller Ridge Comment
  SEINET10905923  Campanula prenanthoides Michener 1892-7-4 MICHENER s.n. Sonoma Shagg's Springs Comment
  UCD114119  Capsella bursa-pastoris Frederica Bowcutt; Kate Mawdsley 1996-3-24 2070 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. About 1 air mile S of Red Mountian, just S of Sonoma Creek. Meadow in center of campground, E end of meadow just S of outdoor center. 365 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
  JEPS119398  Cardamine californica J. Greenhouse with R. Raiche, H. Bartosh, J. Game 2012-2-4 5143 Sonoma The Cedars. Comment
  UCD167111  Cardamine californica James Neilson 1977-3-25 3849 Sonoma Mayacmas Mountains. Socrates Mine area. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCR244500  Cardamine californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone Marsh 79 Comment
  POM272804  Cardamine californica var. integrifolia Lyman Benson 1929-3-21 1026 Sonoma 5 miles S of Petaluma. Comment
  CAS-BOT-BC38035  Cardamine oligosperma A. A. Heller; H. E. Brown 1902-3-14 5053 Sonoma Near Santa Rosa. Comment
  POM144128  Cardamine oligosperma A. A. Heller, H. E. Brown 1902-3-14 5053 Sonoma Near Santa Rosa Comment
  CAS-BOT-BC384861  Cardionema ramosissimum Alice Eastwood 1915-6-29 4816 Sonoma Bodega Point Comment
  CAS-BOT-BC173680  Carduus Peter Rubtzoff 1960-5-15 4327 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC281763  Carduus pycnocephalus G. DeNevers 1981-5-9 1058 Sonoma Along road below the Strebel Homestead Comment
  SEINET11843447  Carduus pycnocephalus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -160 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 120 Comment
  UCR255693  Carex abrupta Peter Rubtzoff 1957-5-4 3296 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC344828  Carex abrupta Peter Rubtzoff 1962-10-9 s.n. Sonoma Bodega Head Marsh. Comment
  UCD140076  Carex amplifolia Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1776 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles northwest of Napa; about 1.5 air miles NE of Kenwood. In main campground around 150 yards south of Sonoma Creek. 1/4 mile NW of confluence with Rattlesnake Creek at the toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC18136  Carex athrostachya John Thomas Howell; J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  CAS-BOT-BC18137  Carex athrostachya Peter Rubtzoff 1954-7-4 1530 Sonoma Austin Creek Marsh. Comment
  UCR208536  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC19364  Carex barbarae John Thomas Howell; J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  CAS-BOT-BC329311  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma Kenwood Marsh. Comment
  UCR249340  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC19369  Carex barbarae H. D. Ripley; R. C. Barneby 1945-6-21 6938 Sonoma East of Petrified Forest. 304 Comment
  CAS-BOT-BC19373  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  CAS-BOT-BC310301  Carex barbarae Peter Rubtzoff 1969-8-24 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  RSA0023067  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC110185  Carex buxbaumii Peter Rubtzoff 1952-5-10 1004 Sonoma Ptikin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC34424  Carex cusickii Peter Rubtzoff 1951-6-10 189 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  RSA0031802  Carex cusickii Peter Rubtzoff 1962-5-25 4841 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC350934  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC18991  Carex densa James D. Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC20484  Carex densa Peter Rubtzoff 1951-6-10 206 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC20489  Carex densa James D. Jokerst 1985-4-26 2272 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC20494  Carex densa Peter Rubtzoff 1960-6-9 4474 Sonoma Sonoma County Marshes. Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC246553  Carex densa Peter Rubtzoff 1958-5-10 3636 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  CHSC55433  Carex densa James Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  UC1586927  Carex densa Juha Pykala and D. H. Norris 1987-5-31 1303 Sonoma e Guerneville Road; Pitkin Marsh 35 Comment
  UC590029  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi ne Petrified Forest; Calistoga Quadrangle 304 Comment
  UC767036  Carex densa R. F. Hoover 1939-4-18 4049 Sonoma Los Guilicos Valley Comment
  CAS-BOT-BC20475  Carex densa G. DeNevers 1981-4-11 683 Sonoma Pepperwood Ranch. South of 3 Tree Hill. Comment
  CAS-BOT-BC329292  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  CAS-BOT-BC20138  Carex feta Peter Rubtzoff 1951-7-7 370 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC320552  Carex feta Peter Rubtzoff; Tim Tunison 1976-6-5 8586 Sonoma False Lake Meadow area, Annadel State Park. Comment
  POM248554  Carex globosa Alice Eastwood, John Thomas Howell 1939-4-2 s.n. Sonoma Near Monte Rio. Comment
  UCD140352  Carex globosa Roxana S. Ferris; Laura Lorraine 1961-6-15 13556 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road. Comment
  CAS-BOT-BC28362  Carex gracilior Peter Rubtzoff 1951-6-10 205 Sonoma Pitkin Marsh, near Forestville. South of the Upper marsh. Comment
  CAS-BOT-BC28334  Carex gracilior Henry Nicholas Bolander 1864-4-1 3867 Sonoma Meadow on Russian River. Comment
  CAS-BOT-BC146612  Carex gynodynama A. A. Heller 1903-4-23 6605 Sonoma Fort Ross Comment
  RSA169302  Carex gynodynama L. S. Rose 1964-6-3 64053 Sonoma N end of Bodega Bay. 2 Comment
  UCR248716  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC419698  Carex hendersonii Peter Rubtzoff 1960-5-16 4360 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC311813  Carex hendersonii Peter Rubtzoff 1957-5-4 3302 Sonoma Duncans Mills Marsh. Comment
  RSA0023074  Carex hendersonii Peter Rubtzoff 1960-5-16 4360 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC311822  Carex lasiocarpa Peter Rubtzoff 1966-6-5 5762 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  OBI22652  Carex lemmonii Robert F. Hoover 1939-5-30 4111 Sonoma Perry's "Twin Pines Ranch" near Sebastopol Comment
  CAS-BOT-BC31429  Carex leptopoda Lewis S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay swamp. 1 Comment
  JEPS128371  Carex mendocinensis Roger Raiche 1999-9-20 035 .99 Sonoma The Cedars, Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC119733  Carex nebrascensis John Thomas Howell 1946-8-17 22864 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC119577  Carex nudata Gregory Clark de Nevers 1981-3-14 528 B Sonoma Pippindale farm, 7 mi NE of Santa Rosa, near Mark West lodge. Comment
  CAS-BOT-BC119312  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
  UCR250039  Carex obnupta Peter Rubtzoff 1970-10-3 6413 Sonoma Central Coast, Marsh off the west side of Hwy 1, 0.7 mi. SE of Salmon Creek 30 Comment
  CAS-BOT-BC119280  Carex ovalis Peter Rubtzoff 1951-7-7 378 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC119249  Carex pachystachya Lewis Samuel Rose 1962-6-1 62065 Sonoma Freestone Comment
  CAS-BOT-BC118942  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC422360  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC117674  Carex serratodens Gregory Clark de Nevers 1981-4-25 804 Sonoma Pepperwood Ranch, near the main Pepperwood entrance, along the Creek Comment
  RSA0020343  Carex simulata Peter Rubtzoff 1976-5-30 8561 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC329283  Carex stipata Peter Rubtzoff 1960-6-9 4483 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC116927  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh. Comment
  UCR249052  Carex subbracteata Peter Rubtzoff 1976-5-30 8564 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  SEINET7577061 Image available Carex subbracteata Lewis S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC115830  Carex subfusca Peter Rubtzoff 1960-5-16 4346 Sonoma Duncans Mills Marsh. Comment
  SJSU8871  Carex utriculata C. W. Sharsmith 1972-6-24 7805 Sonoma Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol Comment
  CAS-BOT-BC281915  Carthamus lanatus John Thomas Howell 1967-6-17 42597 Sonoma Confluence of Galloway and Dry creeks, Arthur E. Cooley Ranch 182 Comment
  HSC33347  Carthamus lanatus William J. Ferlatte, J. Shelgren 1973-7-11 1489 Sonoma SE of Santa Rosa; Crane Canyon, 1 mile E of Petaluma Hill Rd. 52 Comment
  RSA269282  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma S21, T5N, R8W, N side of Valley Ford Road, 6 miles W of Petaluma. 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
  UCD38895  Castilleja affinis Beecher Crampton 1959-6-16 5403 Sonoma 1 mile south of the town of Bodega Bay. 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
  CDA41344  Castilleja ambigua T. C. Fuller 1958-5-24 4013 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  JEPS27377  Castilleja ambigua subsp. ambigua H. W. Grinnell 1933-7-21 Sonoma Bodega Bay, old road Bodega Bay Comment
  RSA516604  Castilleja applegatei subsp. martinii R. C. Bacigalupi, G. Thomas Robbins, Freed W. Hoffman 1956-5-30 5667 Sonoma Headwaters of Big Austin Creek, vicinity of 'The Cedars', near Layton Chromite mine. 267 Comment
  UCD160862  Castilleja applegatei subsp. martinii James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3301 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
  UC1012385  Castilleja attenuata Francis W. Pennell 1940-7-3 26042 Sonoma ne of Kenwood; Hoods Peak 731 Comment
  UC76118  Castilleja attenuata Milo S. Baker 1898-4-23 615 Sonoma Santa Rosa Creek Canyon Comment
  JEPS9415  Castilleja densiflora subsp. densiflora W. L. Jepson 1911-4-30 4187 Sonoma Sonoma Valley 83 Comment
  UC27168  Castilleja densiflora subsp. densiflora H. N. Bolander 1864-1 3851 Sonoma Mark West Comment
  SBBG7042  Castilleja exserta subsp. exserta H. and M. Dearing 1939-5-14 3364 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  RSA523434  Castilleja franciscana L. R. Heckard 1964-6-12 1385 Sonoma South side of Russian River, just across bridge on state highway 1. Comment
  CAS-BOT-BC243847  Castilleja latifolia L. Beane; Lois E. James 1949-5-11 2068 Sonoma Between Fort Ross and Jenner Comment
  CAS-BOT-BC243854  Castilleja latifolia J. Clausen 1935-5-24 1088 Sonoma 5.1 mi. S of Jenner on the Bodega Road Comment
  RSA92796  Castilleja latifolia Joanne Taylor 1941-7-13 7 Sonoma Bodega Head 30 Comment
  UC1063395  Castilleja rubicundula subsp. lithospermoides H. S. Yates 1937-5-30 6547 Sonoma 4 mi nw Graton; Sebastopol Quad. 91 Comment
  JEPS19385  Castilleja subinclusa subsp. franciscana G. Thomas Robbins 1938-4-15 256 Sonoma 2.5 mi e Bodega Bay (along road to Bodega) Comment
  JEPS60450  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1969-6-29 6688 Sonoma 1.8 mi se Bodega Bay (on Highway 1) Comment
  JEPS60454  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1969-6-29 6692 Sonoma 3.9 mi n Jenner (on Highway 1) Comment
Read comments
Jun 1 2015
  JEPS35566  Castilleja wightii L. R. Heckard 1964-6-12 1388 Sonoma 3 mi n Bodega Bay (town) (sea-bluffs at Coleman Beach); Coleman Beach Comment
  JEPS60457  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-30 6696 Sonoma about 1 mi s Stewart's Point Comment
  UCR255652  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  RSA21893  Ceanothus confusus J. T. Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  UC1281312  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma Rincon Ridge, olive orchard Comment
  UC1520698  Ceanothus confusus R. Raiche 1985-4-6 50178 Sonoma W of Healdsburg (ridge W side of Dry Creek Valley, and N of Dorman Canyon (N as far as Bradford Mt.)); Dry Creek Area Comment
  RSA0005479  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  RSA3948  Ceanothus cuneatus I. L. Wiggins 1932-3-12 5766 Sonoma Between Franz Valley and Knight's Valley. Comment
  SEINET12210765  Ceanothus divergens W. Knight, Knight, I. 1982-1 4521 Sonoma Tilden Botanic Garden, Berkeley Comment
  UC33653  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  SEINET12211127  Ceanothus foliosus W. Knight, Knight, I. 1986-1 2317 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Road 853 Comment
  UC1084442  Ceanothus foliosus var. vineatus G. Thomas Robbins 1940-3-22 302 Sonoma ca. 8.5 mi. w. Santa Rosa (along Guerneville rd., Vine Hill region); Vine Hill region Comment
  UC657899 Image available Ceanothus foliosus var. vineatus H. E. McMinn 1936-4-5 4406 Sonoma about 10 mi w Santa Rosa (immediately w of Vine Hill School); ; approx. 10 mi. west of Santa Rosa, Sonoma Co. Comment
  UCD112132  Ceanothus foliosus var. vineatus Ray Prag 1970-6-9 s.n. Sonoma Vine Hill School Road, 3/4 mile east of Vine Hill Road. Comment
  CAS-BOT-BC50011  Ceanothus gloriosus Milo S. Baker 1935-4-1 8032 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50016  Ceanothus gloriosus John Thomas Howell 1937-4-11 12901 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50017  Ceanothus gloriosus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49950  Ceanothus gloriosus var. exaltatus Milo S. Baker 1931-3-7 s.n. Sonoma About 10 mi. West of Santa Rosa at Frei Ranch Comment
  RSA19014  Ceanothus gloriosus var. gloriosus J. T. Howell 1934-3-3 11742 Sonoma 8 miles south of Stewart's Point Comment
  CAS-BOT-BC63738  Ceanothus griseus Carl B. Wolf 1941-7-30 11109 Sonoma Along coast, 3 mi. n. Jenner. Comment
  RSA136660  Ceanothus griseus A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  RSA276844  Ceanothus incanus James I. McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mtn and the Geysers Comment
  UC486493  Ceanothus incanus H. E. and S. T. Parks 1939-5-10 841 Sonoma Knights Valley Comment
  UCD170335  Ceanothus integerrimus D. O. Burge 2016-11-3 2194 Sonoma Mount Saint Helena, roadside on Ida Clayton Road, S of summit intersection with Western Mine Road. 800 Comment
  CAS-BOT-BC50955  Ceanothus integerrimus Maxine Wilkes 1933-6-1 s.n. Sonoma Mts near Cloverdale Comment
  HSC18295  Ceanothus integerrimus R. N. Neuns 1950-5-17 111 Sonoma 4 mi E of the Geyers (Airline) 991 Comment
  CAS-BOT-BC50648  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental 182 Comment
  UC1193308  Ceanothus jepsonii var. albiflorus R. H. Neuns 1950-5-5 104 Sonoma 2 1/2 mi W of Mercuryville 914 Comment
  CAS-BOT-BC51894  Ceanothus parryi Rimo Bacigalupi 1926-5-2 1396 Sonoma Cazadero Comment
  RSA32475  Ceanothus parryi Leo Koch 1939-05 631 Sonoma Campus of Santa Rosa Junior college, from Transplant near Qecidental Comment
  UC1299590  Ceanothus prostratus Freed W. Hoffman 1948-5-10 2744 Sonoma e slope Cobb Mountain North Coast Ranges, e slope Cobb Mountain 1219 Comment
  CAS-BOT-BC53045  Ceanothus sonomensis J. Clausen 1933-3-25 724 Sonoma About 4 miles east of Warfield on road to Oakville, near the summit of the Youngman Ranch. 213 Comment
  CDA31309  Ceanothus sonomensis D. G. Kelch, Ed Biffin 2010-5-3 10 .193-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. 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
  UCD112734  Ceanothus thyrsiflorus var. griseus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UC1281461  Ceanothus velutinus H. E. McMinn 1936-4-4 4379 Sonoma near R. L. Stevenson Monument; Mt. St. Helena Comment
  HSC100876  Ceanothus velutinus Peter Warner 2011-6-16 215 Sonoma Jenner Headlands property, northeastern area, on ridge between Jenner Gulch and Kidd Creek watersheds, ~ 200 m fr. boundary with E&P Ranch 470 Comment
  CAS-BOT-BC52417  Ceanothus velutinus var. velutinus Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  JEPS15042  Centaurea benedicta unknown 1877-1-1 Sonoma Healdsburg Comment
  CDA33632  Centaurea iberica R. Breckenridge, A. Smith, K. Filippini 2010-7-21 PDR# 1313479 Sonoma Calistoga; La Franchi Ranch, State Hwy 128. 0 Comment
  JEPS44152  Centaurea melitensis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio Gurneville; Russian River Comment
  CAS-BOT-BC277157  Centaurea melitensis G. DeNevers 1981-6-6 1480 Sonoma Pepperwood Ranch. S slope of Telegraph Hill Comment
  UC579562  Centaurea solstitialis H. S. Yates 1935-10-3 5341 Sonoma Santa Rosa 53 Comment
  JEPS105487  Centaurea stoebe subsp. micranthos Elaine Mahaffey Sep 2003 Sonoma The Sea Ranch, Highway 1, 100-200 yards N of the Del Mar Community Center, large pull-out on ocean side of highway; extreme NW Sonoma Co. Comment
  JEPS20838  Centaurium muehlenbergii Harry K. Roberts 1958-7-8 Sonoma 0.1 mi e junction of the Sebastopol and Occidental roads (and extending w toward Sebastopol for 1.2 mi on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) Comment
  UC878328  Centaurium trichanthum Milo S. Baker 1940-7-18 9785 Sonoma ca 0.5 mi n Wilfred Station (w side of Hwy 101) Comment
  CDA388  Centaurium venustum D. G. Kelch 2003-7-14 3 .379 Sonoma Cavedale Road. Comment
  CAS-BOT-BC157673  Centromadia Peter Rubtzoff; Nancy Harrison 1977-8-26 9118 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC30944  Centromadia fitchii Alice King 1897-5-1 Sonoma Healdsburg Comment
  CAS-BOT-BC288807  Centromadia fitchii G. De Nevers; J. Shumate 1981-7-25 1868 Sonoma Pepperwood Ranch. W of 3 Tree Hill Comment
  CAS-BOT-BC279397  Centromadia pungens subsp. pungens W. Knight; I. Knight 1984-8-26 5422 Sonoma Willow Creek Road 60 Comment
  UCD161264  Cerastium James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3693 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC251270  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC384979  Cerastium arvense Dorothy Scherer 1986-4-8 027 Sonoma South of Kolmer Gulch ca 800' and east of Hwy 1 ca 15', Fort Ross State Historic Park 36 Comment
  RSA177949  Cerastium glomeratum R. F. Thorne 1965-4-20 34322 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  SEINET7067242  Cerastium glomeratum A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  CAS-BOT-BC400223  Ceratophyllum demersum Greg de Nevers 1991-8-8 9769 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In largest Double Pond 475 Comment
  CAS-BOT-BC135414  Cercocarpus betuloides var. betuloides Alice D. Sargent 1922-4-18 s.n. Sonoma Near Montesano, Russian River Comment
  CAS-BOT-BC135416  Cercocarpus betuloides var. betuloides G. De Nevers 1981-3-31 586 Sonoma Along Hansel's Creek, 100 m S of the Garrison Gate, Pepperwood Ranch Comment
  UC72965  Cercocarpus betuloides var. betuloides Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  UCD113060  Cercocarpus betuloides var. betuloides Frederica Bowcutt 1994-6-25 1908 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. Gray Pine Trail >1/2 mile N of trailhead on Meadow Trail, E of Sonoma Creek. 445 Comment
  CDA7377  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19483 Sonoma 1 mile west of the freeway overpass, Highway 101, Asti. 0 Comment
  CAS-BOT-BC166667  Chenopodium Peter Rubtzoff 1972-7-22 6831 Sonoma Laguna, Chileno Valley. Comment
  RSA783838  Chenopodium Peter Rubtzoff 1971-7-23 6616 Sonoma Laguna, Chileno Valley. Comment
  UCD166099  Chenopodium Peter Rubtzoff 1971-8-9 6639 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC499251  Chlorogalum pomeridianum Peter Rubtzoff 1951-8-18 632 Sonoma Pitkin Marsh, near Forestville, western branch of the upper marsh Comment
  CAS-BOT-BC499258  Chlorogalum pomeridianum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  SEINET12049872  Chlorogalum pomeridianum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -238 Sonoma end of Stoetz Road 200 Comment
  SEINET3992037  Chlorogalum pomeridianum Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15089 Sonoma In chaparral, 2 miles North of Geyserville Comment
  JEPS50856  Chlorogalum pomeridianum var. pomeridianum H-M. Beard Jun 26 1967-Jun 27 1967 61 .104 Sonoma Comment
  RSA227212  Chlorogalum pomeridianum var. pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  OBI35907  Chloropyron maritimum subsp. palustre David J. Keil 1983-6-29 17193 Sonoma Doran Beach Co Park. Bodega Head Comment
  CDA33645  Chondrilla juncea Robin Breckenridge & Katie Filippini 2010-7-22 PDR# 1313480 Sonoma Petaluma; Hwy 101 at Lakeville Rd./Hwy 116 exit. 0 Comment
  CAS-BOT-BC191508  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC191550  Chorizanthe cuspidata var. villosa Walter Knight; Irja Knight 1963-8-13 164 Sonoma Horseshoe Cove Comment
  UC1094020  Chorizanthe cuspidata var. villosa Lewis S. Rose 1956-7-16 56128 Sonoma Bodega Point 9 Comment
  UCD99673  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-4-6 62077 Sonoma Bodega Point. 30 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-BC376251  Chorizanthe membranacea Greg de Nevers 1995-5-2 10717 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. On south slope of rock west of High Hill 487 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-BC252848  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1915-6-6 4665 Sonoma Mt. St. Helena Comment
  RSA0045165  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. East of 3865 Franz Valley Road. 91 Comment
  SEINET3385995 Image available Chrysanthemum segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay, Wet Fields Comment
  SEINET11835175  Chrysanthemum segetum L. S. Rose 1938-1 38251 Sonoma Bloomfield 30 Comment
  OBI59827  Chrysolepis chrysophylla var. minor P. C. Pendse 1979-10-7 s.n. Sonoma Salt Point State Park Comment
  SD251186  Chrysopsis Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 miles SW of the Russian River bridge in Hacienda. Comment
  CAS-BOT-BC368097  Cicendia quadrangularis Greg de Nevers 1998-5-5 11233 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UC1119746  Cichorium intybus H. S. Yates 1935-10-3 5345 Sonoma Santa Rosa Santa Rosa Quadrangle Comment
  UCR279636  Cichorium intybus Peter Rubtzoff 1966-8-25 5808 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UCD160834  Cirsium cymosum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3369 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET11845328  Cirsium douglasii W. Knight, Knight, I.; Knight, T.; Edwards, S. W. 1985-1 6358 Sonoma Pine Flat Road 305 Comment
  UCD130612  Cirsium douglasii var. douglasii Mary M. Hektner; Cathy Hendel 1974-7-2 105 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  SEINET11860261  Cirsium occidentale Unknown 1936-5-2 13372 Sonoma near Healdsburg Comment
  CAS-BOT-BC285708  Cirsium occidentale var. occidentale Walter Knight; Irja Knight 1963-8-13 163 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC280367  Cirsium occidentale var. venustum Walter Knight; Irja Knight 1967-7-24 1966 Sonoma Between Santa Rosa and St. Helena on St. Helena Road about 2 miles from Napa County line Comment
  CAS-BOT-BC280540  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  UC895054  Cirsium remotifolium var. odontolepis Marcus E. Jones, A. M. 1882-7-18 3385 Sonoma Duncan's Mills Comment
  UCD159443  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 200 Sonoma Near Sonoma state beach hiking trail. Abundant. 41 Comment
  CAS-BOT-BC162556  Clarkia affinis Alva Day 1982-6-1 82 65 B Sonoma Pepperwood Ranch Comment
  SDSU8655  Clarkia amoena D. F. Howe 1965-8-3 4098 Sonoma 2.4 miles east of Bodega Bay on #1. Comment
  UC20290  Clarkia amoena F. T. Bioletti 1892-1 Sonoma Point Arena Comment
  SD39468  Clarkia amoena subsp. amoena Edith A. Purer 1932-7-14 Sonoma Between Bodega Bay and Santa Rosa Comment
  CAS-BOT-BC161048  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-6 6085 Sonoma Alder Glen Springs Comment
  JEPS82307  Clarkia amoena subsp. huntiana Roger Raiche 1983-7-5 30483 Sonoma n. Plantation (Tin Barn Rd. (3.5 mi. n. of King Ridge Rd.)) Comment
  UC1143222  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 866 Sonoma 4.0 mi w Mark West Springs Comment
  CAS-BOT-BC172215  Clarkia concinna M. S. Baker 1898-5-7 s.n. Sonoma Glen Ellen Comment
  POM126043  Clarkia concinna subsp. concinna A. T. Graff 1925-5-20 s.n. Sonoma Trooper s, Cazadero Comment
Read comments
Nov 4 2015
  CAS-BOT-BC162510  Clarkia gracilis subsp. gracilis Alice Eastwood; John Thomas Howell 1939-6-11 7416 Sonoma Near Trinity [Triniti] P.O., Hood Mt. Range Comment
  JEPS128316  Clarkia gracilis subsp. sonomensis Roger Raiche 2000-5-27 107 .00 Sonoma The Cedars, road into The Cedars at 2nd crossing or Otis Crossing. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS25145  Clarkia gracilis subsp. sonomensis G. Thomas Robbins 1959-5-16 4015 Sonoma Spring Mt. Road Mayacamas Mt. (between Calistoga Road and Sonoma-Napa County line) 487 Comment
  JEPS43542  Clarkia gracilis subsp. sonomensis W. L. Jepson 1921-6-2 9296 Sonoma near Healdsburg (Calhoun Ranch); Russian River 30 Comment
  CAS-BOT-BC163132  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1945-7-4 17511 Sonoma Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC163153  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13691 Sonoma At 4551 Vine Hill Road near Pitkin Marsh Comment
  NY37725  Clarkia imbricata P. H. Raven 1958-7-23 13691 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
  SEINET7067345  Clarkia purpurea A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  CAS-BOT-BC163470  Clarkia purpurea subsp. quadrivulnera H. E. Parks; S. T. Parks 1930-5-10 0606 Sonoma In open hills around Knight's Valley Comment
  UC20331  Clarkia purpurea subsp. quadrivulnera Ivar Tidestrom 1895-6-3 Sonoma Comment
  JEPS43725  Clarkia purpurea subsp. viminea E. V. Ferguson 1919-6-11 226 Sonoma near Sebastopol Comment
  CAS-BOT-BC165674  Clarkia unguiculata Freed W. Hoffman 1947-6-4 509 Sonoma Upper reaches of East Austin Creek, Rocky Mountain Comment
  RSA22256  Clarkia unguiculata Blanche Clear 1938-5-28 s.n. Sonoma Alexander Valley toward Geyserville 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
  CAS-BOT-BC439413  Claytonia gypsophiloides Hy Edwards; J. P. Moore 1877-3-1 s.n. Sonoma Skaggs Springs Comment
  UCR265123  Claytonia parviflora subsp. parviflora Ann Howald 2015-4-1 3324 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  CAS-BOT-BC439639  Claytonia parviflora subsp. parviflora G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  UCD144660  Claytonia perfoliata Rimy Waraich; Patty Togioka, Erik Beever 1993-5-8 228 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 304 Comment
  UC72567  Claytonia sibirica Milo S. Baker 1898-4-5 3 Sonoma e of Stewart's Point (grade) Comment
  CAS-BOT-BC92750  Clematis ligusticifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UC55256  Clintonia andrewsiana Milo S. Baker 1899-6-28 Sonoma roadside near Duncan's Mills Comment
  SEINET12047072  Clintonia andrewsiana F. H. Utech, Utech, C. L. 1972-1 72 -604 Sonoma Stewarts Point, ca 0.4 mi E of Stewarts Point (city) along Skagg Creek 76 Comment
  UCD161353  Collinsia greenei James A Neilson Jr. 1976-5-5 3698 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gouvea Leasehold, ca. 400 yards north of well site #1. (coordinates and location estimated by label maker.) Comment
  SEINET7067331  Collinsia heterophylla A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  SEINET12329967  Collinsia heterophylla F. H. Utech 1986-1 86 -120 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  RSA94790  Collinsia sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  UC353937  Collinsia sparsiflora var. collina unknown 1928-4-20 2976 b Sonoma Rincon Valley Comment
  UCD151166  Collinsia sparsiflora var. sparsiflora James A. Neilson Jr. 1974-3-27 3016 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UCSB23001  Collinsia sparsiflora var. sparsiflora McCarthy, Sharon 1965-4-11 Sonoma near Lake Ilsanjo; about 2.5 air miles southeast of Lake Ralphine 228 Comment
  UCR265108  Collinsia tinctoria Ann Howald 2015-4-1 3330 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  SD56667  Corallorhiza maculata Darley F. Howe 1963-7-3 3591 Sonoma 20 miles north of junction with #12 on #1, under redwoods. Comment
  UCD138898  Corallorhiza striata K. Esau 1933-4-14 s.n. Sonoma Napa County, Calistoga, near petrified forest. Comment
  RSA0065199  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1997-6-7 11074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Oak Hill Ranch. 100 Comment
  RSA0006006  Cordylanthus pilosus var. brunneus W. L. Jepson 1894-7-19 21109 Sonoma Mt. St. Helena Comment
  UC1329012  Cordylanthus pringlei Freed W. Hoffman 1946-8-30 574 Sonoma Red Slide, East Austin Creek Red Slide; North Coast Ranges Comment
  CAS-BOT-BC238223  Cordylanthus tenuis subsp. brunneus Greg de Nevers 1991-7-15 9758 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  JEPS79414  Cordylanthus tenuis subsp. capillaris Edward Lee with W. A. Setchell 1936-6-7 2188 Sonoma south ridge fire trail, Bohemian Grove Comment
  SD133719  Cordylanthus tenuis subsp. capillaris T. I. Chuang, Fei-Mei Chuang 1970-7-25 6834 Sonoma Stoetz Road, west of harrison grade, 2.7 miles east of Occidental Comment
  CDA39435  Cordyline australis Tony Morosco, Adam Holbrook 2004-1-19 s.n. Sonoma Salt Point State Park, Deadman Gulch. From just north of Hwy 1 roadmarker 43 follow south fork of dirt road due east, in partial forest opening approx. 100 feet above stream. 0 Comment
  UCR244638  Cornus Peter Rubtzoff 1973-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road 164 Comment
  CAS-BOT-BC212286  Cornus glabrata Peter Rubtzoff 1952-5-31 1105 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC210432  Cornus sericea Peter Rubtzoff 1958-8-23 3909 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  HSC100847  Cortaderia jubata J. P. Smith, J. O. Sawyer, & R. J. Cole 2009-10-11 12695 Sonoma Along Bay Highway (Hwy. 1) in Bodega Bay. 15 Comment
  UCD110060  Corylus cornuta subsp. californica Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1767 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; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  UCD110064  Corylus cornuta subsp. californica K. Esau 1932-4-2 s.n. Sonoma Russian River. Comment
  CAS-BOT-BC143501  Cotoneaster pannosus Mary P. Wells 1989-2-13 975 Sonoma At curve of Montecito Ave. opposite Manzanita Ave., Rincon Ridge, Santa Rosa Comment
  UCD165873  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CDA25820  Crataegus douglasii R. Key 1971-7-2 Sonoma W. W. Winkler property, Green Valley School Road, Sebastopol. 0 Comment
  CAS-BOT-BC143508  Crataegus gaylussacia Peter Rubtzoff 1958-5-3 3614 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC32984  Crataegus gaylussacia Amos Arthur Heller 1902-8-20 6052 Sonoma at Sebastopol Comment
  POM141059  Crataegus suksdorfii A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol Comment
  RSA94007  Crataegus suksdorfii Peter Rubtzoff 1951-6-16 212 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
Read comments
Apr 28 2010
  CAS-BOT-BC173648  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  RSA90509  Cressa truxillensis Milo S. Baker 1946-1 11710 Sonoma Less than 1 mi. N of junction of Sears Pt. cutoff and Black Point Hwy. Comment
  UC963925  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-30 11770 Sonoma sw slope Hood Mt. Comment
  CAS-BOT-BC366890  Crypsis schoenoides Greg de Nevers 1997-9-29 11098 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCR255052  Crypsis schoenoides Greg de Nevers 1997-7-20 11070 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC190181  Crypsis vaginiflora Peter Rubtzoff 1966-8-18 5788 Sonoma Laguna de Santa Rosa ca. 1 mile east southeast of Sebastapool. Comment
  SEINET7067261  Cryptantha clevelandii A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  UC662541  Cryptantha leiocarpa Milo S. Baker 1934-6-1 7704 Sonoma Wrights Beach Comment
  CAS-BOT-BC251228  Cucurbitaceae Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC85459  Cupressus sargentii Robert Francis Hoover 1968-2-23 10895 Sonoma Harrison Grade Rd. near summit, serpentine area Comment
  UC1193102  Cupressus sargentii P. Zinke 1949-6-14 61 Sonoma ridge between Dry Creek and Smith Creek; Quad 61A3 457 Comment
  UCD158872  Cupressus sargentii James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2905 Sonoma Mayacmas Mountains; northwest corner of Section 15, The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  UCD67619  Cupressus sargentii D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  CAS-BOT-BC85462  Cupressus sargentii Milo Samuel Baker 1929-1-2 3383 c Sonoma 3 mi. N. West Coopers, Mill Cr. Comment
  NY16794  Cupressus sargentii D. D. Keck 1933-11-6 2651 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET11739539  Cupressus sargentii W. Knight, Knight, I.; Edwards, S. 1986-1 5362 Sonoma Geyser Peak, along trail to summit 975 Comment
  JEPS128250  Cuscuta occidentalis Roger Raiche 2000-7-15 137 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC376230  Cynodon Greg de Nevers 1996-9-23 10880 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piny Canyon 487 Comment
  CAS-BOT-BC190242  Cynodon dactylon Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC190343  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  UCD60096  Cynodon dactylon var. hirsutissimus W. A. Harvey; Lloyd Harwood 1955-10-6 s. n. Sonoma F. P. Grace Ranch, 3.5 miles southwest of Healdsburg. Comment
  CAS-BOT-BC312690  Cynosurus Peter Rubtzoff 1971-6-5 6515 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC350811  Cynosurus Peter Rubtzoff; Nancy Harrison 1978-6-11 9209 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  CDA33571  Cynosurus cristatus Stephanie Larson/Deborah Curle 2010-6-14 PDR# 1465982 Sonoma 0 Comment
  CAS-BOT-BC190430  Cynosurus echinatus G. DeNevers; M. Harding 1981-7-11 1757 Sonoma Pepperwood Ranch. In Garrison Canyon. Comment
  OBI35899  Cynosurus echinatus David J. Keil 1983-6-30 17215 Sonoma Stillwater Cove Regional Park Comment
  UCD60159  Cynosurus echinatus Gerry North 1993-4 21 Sonoma Flora of Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. Second pullout on right after park entrance. 0.3 mile from Goodspeed trailhead. 50m south of Pony Gate Gulch Creek crossing. 274 Comment
  CAS-BOT-BC190426  Cynosurus echinatus David L. Morgan 1956-5-17 s.n. Sonoma On Burnside Road, 200 yards south of the junction of Barnett Valley Road. Comment
  RSA0022474  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 mi. northeast of Penngrove on Lichan[Lichau?] Road. 427 Comment
  CAS-BOT-BC114513  Cyperus eragrostis Peter Rubtzoff 1951-7-14 452 Sonoma Pitkin Marsh, near Forestville. Damp, open area between the Upper and the Lower marshes. Comment
  SD99411  Cyperus eragrostis Christopher Davidson 1977-6-17 5876 Sonoma State Highway 12; ca. 3 miles west of Guerneville; sand bar in Russian River; riparian zone along Russian River bordered by coast redwood forest. 14 Comment
  CAS-BOT-BC113903  Cyperus niger var. castaneus Peter Rubtzoff 1987-9-27 9857 Sonoma Russian River at Forest Hills, ca. 6 mi E of Guerneville. Comment
  JEPS128196  Cypripedium californicum Roger Raiche 1982-5-29 20416 A Sonoma The Cedars, Mineral Springs Canyon. Lower Russian River, Big Austin Creek watershed. 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-BC435193  Cypselea humifusa Peter Rubtzoff 1969-8-24 6148 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  UCD57958  Cypselea humifusa Brenda Grewell 2007-5-24 s.n. Sonoma Grown out from soil collected at braided side channel Laguna de Santa Rosa. West side across from confluence with Gravenstein Creek. South of Sebastopol. DFG Laguna Wildlife Area. Near Cooper Road. Comment
  UC1063767  Cystopteris fragilis E. Armstrong 1934-3-26 919 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle Comment
Read comments
Nov 14 2007
  POM21457  Cytisus monspessulanus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 73094 Sonoma Near Windsor. Comment
  CAS-BOT-BC189804  Dactylis glomerata G. DeNevers 1981-5-23 1252 Sonoma Pepperwood Ranch. Along Franz Valley Road. Comment
  RSA216130  Damasonium californicum Peter Rubtzoff 1961-5-24 4606 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC445559  Damasonium californicum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  SACT000880  Danthonia americana 1927-5-5 Sonoma No determiner/collector listed. Comment
  CAS-BOT-BC210142  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  UCD60470  Danthonia californica H. S. Yates 1936-5-16 5579 Sonoma 1 mile NE of Graton. 30 Comment
  CHSC83170  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma 5 miles south of Geyserville. Comment
  UCD32895  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma Sonoma County, ca. 8.5 miles S.E. of Geyserville, south end of Alexander Valley, jct. of Calistoga (hwy. 128) and Chalk Hill roads. Comment
  SEINET10912493  Danthonia californica var. americana B. Crampton 1963-5-27 Crampton 6811 Sonoma Alexander Valley, state Hwy. 128, ca. 8 miles SE of Geyserville. Roadside ditch at base of foothill slope. Comment
  CAS-BOT-BC154137  Datura Peter Rubtzoff 1958-8-30 3937 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  CAS-BOT-BC154985  Datura Peter Rubtzoff 1968-9-21 5986 Sonoma Russian River bottom at Forest Hills, 5.5 mi. E of Guerneville. Comment
  SJSU710  Daucus carota A. W. Jacobs 1941-7-25 Sonoma W bank Russian R near Hilton Comment
  CAS-BOT-BC293809  Deinandra corymbosa James I. McMurphy 1910-6-7 s.n. Sonoma Between Napa Junction and Petaluma Comment
  CAS-BOT-BC9604  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley, west of Occidental Comment
  JEPS23883  Delphinium decorum subsp. decorum A. A. Heller 1938-5-14 15089 Sonoma steep slope just e Bodega Bay Comment
  UCD67996  Delphinium hesperium S. M. Smukler 1995-6-3 16 Sonoma Highway 1, South of the Russian River, above Shell Beach. On a cliff overlooking Shell Beach, next to the trail. An herbaceous perennial. Flowers, blue-purple. 40 Comment
  CAS-BOT-BC9898  Delphinium nudicaule Mary Hallett 1927-4-1 s.n. Sonoma Graton Comment
  CAS-BOT-BC8011  Delphinium nudicaule Margot Lowry 1983-5-1 44 Sonoma One mile from top of Sonoma Mtn. Road, Sonoma Mountain 500 Comment
  UC467759  Delphinium nudicaule H. P. Chandler 1907-4-21 7520 Sonoma road from Glen Ellen to Oakville near summit Comment
  UCD95876  Delphinium nudicaule Botany 102 Students 1993-4-24 94 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail, S of Sonoma Creek. 411 Comment
  UC907684  Delphinium variegatum G. Thomas Robbins 1937-5-23 191 Sonoma along Santa Rosa-Sebastopol road near Wright School Comment
  UC906463  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9241 Sonoma 2 mi n Kenwood; Los Guilicos Comment
  UC573999  Deschampsia cespitosa subsp. cespitosa H. S. Yates 1936-5-16 5605 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad. 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
  UCD63791  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1915-6-1 Sonoma Del Mar. Comment
  UCD63820  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4333 Sonoma Sonoma Coast State Park along State Hwy. 1, 1.3 miles north of Salmon Creek. Comment
  CAS-BOT-BC201956  Deschampsia elongata Roxana S. Ferris; Laura Lorraine 1961-6-14 13544 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  CAS-BOT-BC201960  Deschampsia elongata John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54022 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-BC201970  Deschampsia elongata Peter Rubtzoff 1960-5-30 4429 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC227656  Deschampsia elongata Peter Rubtzoff 1964-6-24 5373 Sonoma Lower Salmon Creek Marsh. Comment
  OBI22307  Deschampsia elongata Lewis S. Rose 1962-6-1 62064 Sonoma 1 mi NW of Freestone 76 Comment
  RSA785843  Deschampsia elongata Peter Rubtzoff 1971-6-25 6560 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UC53519  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma near Guerneville Guerneville Comment
  UCD151203  Deschampsia elongata James A. Neilson Jr. 1974-7-10 2880 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  RSA0056433  Deschampsia elongata Greg de Nevers 1996-6-17 10832 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  UCR131633  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1969-7-14 8493 A Sonoma Coast Range, The Geysers, 12 miles (direct line) east of Cloverdale, north slope of well above Geyser Creek 494 Comment
  POM89831  Dichanthelium acuminatum var. thermale Volney Rattan 1885-06 s.n. Sonoma Geysers. Comment
  CAS-BOT-BC258920  Dichelostemma capitatum Peter Rubtzoff 1963-5-26 5145 Sonoma Bennett Mountain Lake Comment
  UCD139192  Dichelostemma capitatum Rimy Waraich; Patti Togioka, Valerie Bullock 1993-4-24 s.n. Sonoma about 50 air miles north 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. 365 Comment
  SEINET6879167  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  SEINET7040134  Dichelostemma congestum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  UC665619  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma 5 mi n Jenner Comment
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Apr 2 2015
  POM264531  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma Five miles north of Jenner. Comment
  SEINET11690138  Digitaria ischaemum J. T. Howell, Best, C. 1986-1 s.n. Sonoma Sonma State Campus, Rohnert Park Comment
  UCD64008  Digitaria sanguinalis Milo S. Baker 1942-8-27 10378 Sonoma At Maplewood. Comment
  CAS-BOT-BC152039  Diplacus aurantiacus Walter Knight; Irja Knight 1963-10-27 441 Sonoma Spring Mt. Road Comment
  SEINET8225561  Diplacus aurantiacus S. Saufferer 1973-5-24 215 Sonoma Bodega Bay. Comment
  CAS-BOT-BC182751  Dipsacus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC121892  Dirca occidentalis Mary Wells 1997-2-26 1078 Sonoma Growing on Salmon Creek Road about 2 mi NW of Bodega Comment
  CDA1349  Dittrichia graveolens S. Ostrom 2006-9-1 PDR# 1328648 Sonoma Windsor; Shiloh Rd. & Business Park Ct. Comment
  UCD160145  Dodecatheon hendersonii James A. Neilson Jr. 1974-4-16 3158 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 975 Comment
  JEPS26980  Downingia bicornuta var. bicornuta Allison Hastings 1940-5-3 Sonoma e of Santa Rosa Fair Grounds Comment
  UC1244021  Downingia concolor var. concolor John H. Weiler 1960-5-22 60128 Sonoma Schellville, Southern Pacific railroad gradings Schellville Comment
  UCD84092  Downingia concolor var. concolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. Vernal Pool. 37 Comment
  UCR279855  Downingia concolor var. concolor Peter Rubtzoff 1966-6-5 5752 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 mile from Llano Road 29 Comment
  UCR279869  Downingia concolor var. concolor Peter Rubtzoff 1969-5-11 6039 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 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
  RSA47585  Downingia concolor var. concolor L. Beane, Lois E. James 1949-5-16 1948 Sonoma About 3 miles S of Healdsburg Comment
  JEPS103635  Downingia pusilla Lisa Schultheis 1995-5-15 148 -95 Sonoma Santa Rosa. Alton Lane, approximately 0.25 miles W of Fulton Road Comment
  JEPS26984  Downingia pusilla Milo S. Baker 1927-5-8 2114 Sonoma near Bennett Valley Road summit Comment
  JEPS26987  Downingia pusilla Milo S. Baker 1934-4-10 7774 Sonoma 2 mi s Warfield R.R. sta. (n side of highway) Comment
  CAS-BOT-BC401544  Drosera rotundifolia H. B. Humphrey 1908-5-15 s.n. Sonoma Bog near Santa Rosa Comment
  LA208035  Drymocallis glandulosa J. A. Ewan; 1935-5-12 9235 Sonoma Mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC159443  Drymocallis glandulosa var. glandulosa G. DeNevers 1981-4-25 870 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  CAS-BOT-BC159461  Drymocallis glandulosa var. glandulosa Milo S. Baker 1931-5-22 5213 Sonoma Bennett Val. Road, just south of summit, between Santa Rosa and Glen Ellen Comment
  RSA42006  Drymocallis glandulosa var. wrangelliana Ella Dales Cantelow 1938-5-7 2403 Sonoma 4.5 miles NM of Bodega Comment
  JEPS35199  Dryopteris expansa Fred Hein 1931-11-12 Sonoma near mouth of Gualala River (Mendocino Co. line) Comment
  CAS-BOT-BC71075  Dryopteris expansa J. Burtt Davy 1896-3-13 s.n. Sonoma near Duncan's Mill Comment
  CAS-BOT-BC411377  Dudleya caespitosa Roxana S. Ferris 1932-5-27 8260 Sonoma N end of Bodega Bay Comment
  CAS-BOT-BC428178  Dudleya cymosa subsp. cymosa A. A. Heller 1940-5-10 15609 Sonoma Along Wheatfield Fork of the Guala [Gualala] River on the Stewart Point-Skagg's Springs road. Comment
  CAS-BOT-BC428182  Dudleya cymosa subsp. cymosa Butterfield 1938-5-1 s.n. Sonoma Russian River Comment
  CAS-BOT-BC428377  Dudleya farinosa John H. Thomas 1976-6-15 18284 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  RSA785441  Echinochloa Peter Rubtzoff 1976-8-29 8836 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  UCD164337  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC176201  Echinochloa crus-galli Peter Rubtzoff 1955-7-17 1974 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC208556  Echinochloa crus-galli John Thomas Howell 1957-10-12 32999 Sonoma Ca. 1 mi. SW of Sonoma Comment
  CAS-BOT-BC208542  Ehrharta calycina Nancy Harrison 1977-6-11 1376 Sonoma Salmon Creek Beach Comment
  RSA227243  Elatine heterandra Peter Rubtzoff 1964-7-14 5400 Sonoma Bennett Mtn. Lake Comment
  UCD166256  Eleocharis Peter Rubtzoff 1970-8-18 6313 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC274415  Eleocharis Peter Rubtzoff 1970-8-18 6313 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC113728  Eleocharis acicularis Peter Rubtzoff 1955-4-23 1778 Sonoma Bennett Mt. Lake. Comment
  CAS-BOT-BC112981  Eleocharis macrostachya Peter Rubtzoff 1951-7-8 387 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112663  Eleocharis parvula Peter Rubtzoff 1973-9-15 7329 Sonoma Lower Salmon Creek Marsh. Just east of Hwy 1. Comment
  CAS-BOT-BC112073  Eleocharis quinqueflora Peter Rubtzoff 1952-5-31 1125 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112199  Eleocharis radicans Peter Rubtzoff 1954-7-29 1611 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC112206  Eleocharis radicans Peter Rubtzoff 1961-8-25 4722 Sonoma Forest Hills, east of Guerneville. Open, wet margin of Russian River. Comment
  RSA92834  Eleocharis rostellata Peter Rubtzoff 1951-7-8 404 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  CAS-BOT-BC213785  Elymus X hansenii D. E. Breedlove 1980-6-28 44805 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC769909  Elymus glaucus Robert F. Hoover 1941-6-7 5300 Sonoma Molino Comment
  CAS-BOT-BC203712  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1150 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203723  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1106 B Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  RSA129555  Elymus glaucus subsp. virescens H. S. Yates 1936-5-17 5624 Sonoma 1.5 miles E of Bodega Port 122 Comment
  UC1011038  Elymus multisetus Virginia Bufford 1936-5-20 317 Sonoma Mark West Road; Napa-Sonoma Co. line Comment
  CAS-BOT-BC204306  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-27 1711 Sonoma Pepperwood Ranch. At new Pepperwood entrance Comment
  UCD119201  Emmenanthe penduliflora Frederica Bowcutt 1996-5-19 2125 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw lower Bald Mtn. and Bald Mtn. Trail. 487 Comment
  UC483680  Epilobium brachycarpum Milo S. Baker 1931-9-13 5565 Sonoma near Kenwood; Clifton Hawkins Ranch Comment
  UCD167418  Epilobium campestre Peter Rubtzoff 1962-6-21 4940 Sonoma Laguna de Santa Rosa NE of Graton, E of Laguna Road. Comment
  RSA3446  Epilobium canum subsp. latifolium F. G. Krauss 1893-11-2 s.n. Sonoma Krauss Ranch Comment
  CAS-BOT-BC171946  Epilobium canum subsp. latifolium Clare R. Wheeler 1985-9-8 3766 Sonoma On large boulders above Russian River, 1.6 km N of Preston Bridge 103 Comment
  CAS-BOT-BC268107  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  UC1042506  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-8-4 586 Sonoma opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC262974  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1607 Sonoma Guerneville Marsh. Comment
  JEPS43869  Epilobium ciliatum subsp. watsonii Eleanor Armstrong May 1932 523 Sonoma 3 mi n Bodega Bay (swampy locality) 30 Comment
  POM231111  Epilobium ciliatum subsp. watsonii Jens Clausen 1935-5-24 1082 Sonoma 3.7 miles south of Jenner on the Bodega road Comment
  UCD105928  Epilobium ciliatum subsp. watsonii Frederica Bowcutt 1984-6-23 434 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  UCD105932  Epilobium ciliatum subsp. watsonii Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 96 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA225179  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-7 14307 Sonoma 6 miles N of Bodega. Comment
  RSA46765  Epilobium ciliatum subsp. watsonii L. S. Rose 1947-5-9 47136 Sonoma Bodega Bay 6 Comment
  RSA800038  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5867 Sonoma Lower Salmon Creek Marsh. Comment
  UCD160837  Epilobium densiflorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3437 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC262788  Epilobium hallianum Peter Rubtzoff 1958-5-17 3670 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC262789  Epilobium hallianum Peter Rubtzoff 1958-5-10 3634 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road crossing. Comment
  JEPS128318  Epipactis gigantea Roger Raiche 2000-5-28 121 .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
  RSA790975  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  UCD135324  Equisetum Donna Allen 1977-5-24 s.n. Sonoma Dry cr. rd. side 15 miles from the coast. Comment
  CAS-BOT-BC57038  Equisetum arvense Peter Rubtzoff 1954-8-13 1705 Sonoma Bodega Head Marsh Comment
  JEPS79608  Equisetum hyemale subsp. affine Edward Lee 1978-12-10 Sonoma Hood Mt. Park Comment
  CAS-BOT-BC57210  Equisetum hyemale subsp. affine John Thomas Howell 1931-9-26 8088 Sonoma Creek bottom at Northwood near Monte Rio on the Russian River Comment
  CAS-BOT-BC164656  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  RSA216112  Equisetum telmateia var. braunii Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh. Comment
  RSA511283  Equisetum telmateia var. braunii F. Sibal 1965-5-29 338 Sonoma Hwy 1 between Anchor Bay and Gualala. 152 Comment
  CAS-BOT-BC182758  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Comment
  RSA796174  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Open, wet banks of Russian River. Comment
  UC1025040  Eragrostis cilianensis Leo Whitney 1935-10-2 3634 Sonoma Santa Rosa Comment
  UCD62972  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa. Comment
  CAS-BOT-BC213572  Eragrostis hypnoides Peter Rubtzoff 1970-9-2 6355 Sonoma Rusian River bottom at Mirabel Park Comment
  UCD63379  Eragrostis hypnoides Freed W. Hoffman 1942-9-30 2164 Sonoma Along Russian River. Comment
  CAS-BOT-BC366888  Eragrostis mexicana subsp. virescens Greg de Nevers 1997-9-29 11096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCR279638  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1958-8-30 3933 Sonoma Vacation Beach, near Guerneville 3 Comment
  UCD64315  Eragrostis pectinacea Beecher Crampton 1953-11-18 1736 Sonoma 10 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC291171  Erechtites glomeratus Mary P. Wells 1985-5-26 495 Sonoma One-Eyed Jack's Playground. A meadow area at The Sea Ranch Comment
  RSA785229  Erechtites glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC131609  Ericameria arborescens Walter Knight; Irja Knight 1963-9-1 133 Sonoma Harold Smith Ranch on Pine Mt. Rd NE of Cloverdale Comment
  UC891892  Ericameria arborescens H. A. Thomas 1935-1-2 Sonoma Mark West Road near Petrified Forest Comment
  RSA121646  Ericameria arborescens subsp. arborescens J. B. Spring 1932-7-7 97 Sonoma 2/5 mile SW of Veeder Mt. 610 Comment
  POM359364  Ericameria ericoides var. ericoides E. A. Purer 1932-7-24 s.n. Sonoma Near Bodega Bay Comment
  CAS-BOT-BC293626  Erigeron biolettii H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  CAS-BOT-BC293630  Erigeron biolettii Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  SD40124  Erigeron glaucus Edith A. Purer 1932-7-24 4080 Sonoma Bodega Bay Comment
  SEINET5781559 Image available Erigeron glaucus Marcus E. Jones 1882-1 3622 Sonoma Duncan's Mills Comment
  UCD132009  Erigeron glaucus Charles B. Heiser Jr. 1946-8-17 1832 Sonoma Jenner. Comment
  JEPS87223  Erigeron philadelphicus var. philadelphicus Jack and Betty Guggolz 1992-5-17 1302 Sonoma on the w side Black Mountain (e of Geyserville, Anderson Trail) 585 Comment
  HSC100973  Erigeron serpentinus Peter Warner 2011-8-10 224 Sonoma Jenner Headlands Property, Upper Russian Gulch Pasture, N of power lines. 227 Comment
  JEPS117100  Erigeron serpentinus Peter Warner 2010-7-7 169 Sonoma Jenner Headlands, upper Jenner Pasture, ~ 400 m, E 116 deg. S of residence house, under power lines upslope fr. Jenner Gulch Comment
  CAS-BOT-BC300305  Erigeron supplex Mary P. Wells 1984-7-6 357 A Sonoma Site of North Fire Station. The Sea Ranch Comment
  CAS-BOT-BC259267  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma Two miles north of Bodega Bay Comment
  CAS-BOT-BC259484  Eriogonum luteolum John Thomas Howell 1931-9-26 8091 Sonoma 2 miles from Monte Rio on road to Camp Meeker Comment
  CDA30996  Eriogonum luteolum D. G. Kelch, Troy McGregor 2010-8-22 10 .356 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC1093645  Eriogonum luteolum var. luteolum Herbert L. Mason 1946-7-4 12899 Sonoma 2 mi e Occidental Comment
  UCD100603  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  SEINET6165148 Image available Eriogonum polypodum Unknown 1983-7-18 s.n. Sonoma 3 mi SW of Occidental Comment
  CDA401  Eriogonum vimineum D. G. Kelch 2003-7-14 3 .378 Sonoma Cavedale Road. Comment
  CAS-BOT-BC277736  Eriogonum vimineum R. D. Stone 1983-6-16 552 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  CAS-BOT-BC300356  Eriophyllum John H. Thomas 1955-5-22 5193 Sonoma Graton - Occidental Road, about 3.5 miles west of Occidental 60 Comment
  UCD131468  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1996-5-19 2129 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, about 1/4 air mile NE of Red Mtn. Along Bald Mtn. Trial. 633 Comment
  SEINET5781672 Image available Eriophyllum lanatum Marcus E. Jones 1882-1 2773 Sonoma Duncan's Mills Comment
  UCSB15796  Eriophyllum lanatum 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-BC301146  Eriophyllum lanatum var. achilleoides H. L. Mason 1934-4-28 8075 Sonoma Head of Dohrman Creek, Jensen's Ranch, four miles west of Healdsburg Comment
  CAS-BOT-BC301152  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
  CDA5239  Eriophyllum lanatum var. achilleoides G. D. Barbe 1982-5-27 3619 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  CAS-BOT-BC301276  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1933-9-3 33354 Sonoma 2 miles w. of Petrified Forest Comment
  CAS-BOT-BC301300  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  RSA178011  Erodium moschatum Robert F. Thorne 1965-4-19 34264 Sonoma Cotati, Waters Ranch 30 Comment
  RSA789044  Erodium obtusiplicatum Carrie A. Herd 1982-3-16 24 Sonoma Santa Rosa, S.W. corner of Fulton & Piner Roads Comment
  CAS-BOT-BC41436  Eruca vesicaria subsp. sativa Milo S. Baker 1935-3-1 8025 Sonoma About 5 miles form Santa Rosa on road to Sebastopol. Comment
  CAS-BOT-BC520405  Eryngium aristulatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km SE of cit of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation est. from Google Earth by label maker. 22 Comment
  SEINET3840777  Eryngium aristulatum G. F. Hrusa 1997-7-5 14010 Sonoma Small vernal pool approximately 200 meters west of Highway 128 in drainage Blossom Creek, 2 kilometers Northwest of Tubbs Lane intersection, Quadrangle: Calistoga 7.5 200 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
  SBBG27238  Eryngium aristulatum var. aristulatum A. Eastwood, J. T. Howell 1936-5-19 2510 Sonoma 2 mi N ofWindsor Comment
  UC1307396  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1954-8-12 1695 Sonoma Bennett Mt. Lake Comment
  UC420513  Eryngium aristulatum var. aristulatum V. King Chesnut 1887-7 Sonoma Santa Rosa Comment
  POM259280  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma Low lands bordering the San Pablo Bay southwest of Sonoma Comment
  UC1122970  Eryngium armatum H. S. Yates 1937-8-22 6867 Sonoma 2 mi. s.e. Forestville; Sebastopol Quad. Comment
  UCD150837  Eryngium armatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  UC1931039  Eryngium constancei G. F. Hrusa 1996-10-5 13582 B Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
Read comments
Jan 8 2013
  SEINET8370236  Erythranthe microphylla Robert F. Thorne 1965-4-19 34286 Sonoma near county dump on Stoetz Road off of Harrison Grade ca. 2 miles nne of Occidental. 183 Comment
  UCD139635  Erythronium californicum R. E. Preston 1996-4-22 929 Sonoma 5.7 miles southeast of Hopland, on north ridge of Salt Canyon. 609 Comment
  CAS-BOT-BC402864  Eschscholzia caespitosa Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 3 mi north of Occidental Comment
  RSA146385  Eschscholzia caespitosa subsp. caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC403703  Eschscholzia californica Alice Eastwood; John Thomas Howell 1939-4-2 7373 Sonoma Coast north of Bodega Bay Comment
  SEINET7067273  Eschscholzia californica A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  UCD95275  Eschscholzia californica Valerie Bullock 1993-5-8 245 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 at base of grassy hill. 365 Comment
  SEINET12193812  Eucalyptus camaldulensis W. Knight, Knight, I.; Howell, J. T. 1984-1 5072 Sonoma intersection Petaluma Ave & Arnold Dr., El Verano Comment
  UCD19300  Eucalyptus globulus Terry Reedy 1974-5-11 233 Sonoma Bodega Head, gully south of drive to Field Station. 6 Comment
  JEPS51865  Euphorbia crenulata W. L. Jepson 1923-6-28 10012 Sonoma Kenwood Sonoma Canyon (Sonoma Canyon) 243 Comment
  CDA4869  Euphorbia oblongata T. C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive, Highway 116, just north of culvert no. 45.19, ca. 7 km. south of El Verano. 0 Comment
  UCD142412  Euphorbia oblongata Thomas C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive; Hwy 116; just north of culvert no. 45.19; ca. 7 km. south of El Verano. Comment
  JEPS26040  Euthamia occidentalis Lewis S. Rose 1960-9-14 60094 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 Comment
  UC1146572  Festuca arundinacea Freed W. Hoffman 1941-6-29 2071 Sonoma Sonoma Mountain road North Coast Ranges Comment
  UCD65833  Festuca californica Gerry North 1993-4 29 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.6 miles from Goodspeed trailhead; north side of road. 358 Comment
  SEINET10560466  Festuca californica A. Arthur Heller 1902-5-29 Heller 5629 Sonoma Near the summit of Mt. Hood. Comment
  CAS-BOT-BC283183  Festuca californica subsp. californica G. DeNevers 1981-6-15 1543 Sonoma Along the stream down from the Rogers Apple Orchard, Pepperwood Ranch Comment
  CAS-BOT-BC283192  Festuca californica subsp. californica Peter Rubtzoff 1952-6-10 1236 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UC576335  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mi sw Petrified Forest; Calistoga Quad. 274 Comment
  UCD65917  Festuca elmeri Beecher Crampton 1955-6-17 2944 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC278414  Festuca idahoensis A. A. Heller 1902-5-29 5628 Sonoma Near the summit of Mt. Hood Comment
  CDA6127  Festuca occidentalis D. G. Kelch 2007-5-13 7 .299 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UC1024771  Festuca occidentalis Leo Whitney 1935-4-14 2257 a Sonoma near Occidental Comment
  UCD66122  Festuca occidentalis P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UCD66173  Festuca occidentalis K. Wagnon 1939-5-14 195 Sonoma Near Wagnon Home, 5 mi. west of Sebastopol. Comment
  CAS-BOT-BC278888  Festuca occidentalis K. Wagnon 1939-5-14 195 Sonoma Near Wagnon home about five miles west of Sebastopol Comment
  SEINET6632138  Festuca pacifica D. F. Howe 1963-1 3530 Sonoma 4 mi. no. of Cloverdale on #128 335 Comment
  UC576342  Festuca roemeri H. S. Yates 1937-5-31 6558 Sonoma near Alpine School; Calistoga Quad. 304 Comment
  UCD66359  Festuca rubra R. Tofsrud 1941-4-1 94 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC353381  Filago Peter Rubtzoff 1971-6-23 6542 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CDA5256  Filago pyramidata var. pyramidata J. T. Howell 1976-4-26 51595 Sonoma Hills east of Geyserville on road to Geysers. 0 Comment
  UC924277  Fragaria chiloensis H. S. Reed 1947-5-7 215 Sonoma Bodega 15 Comment
  UCD113198  Fragaria chiloensis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 059 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC457577  Fragaria vesca subsp. californica Mary P. Wells 1985-4-11 470 Sonoma west of ridge, off end of Pilot's Reach, The Sea Ranch Comment
  CAS-BOT-BC457581  Fragaria vesca subsp. californica Volney Rattan 1885-5-9 s.n. Sonoma Unspecified Comment
  UCD112540  Frangula californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-29 92 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD112544  Frangula californica G. F. Hrusa; J. Pfeiffer 1995-9-23 12466 Sonoma N slope of Cavedale Edaphic Island. 400 Comment
  CAS-BOT-BC55646  Frangula purshiana Mary P. Wells 1985-7-11 553 Sonoma Pilot's Reach, the Sea Ranch Comment
  CAS-BOT-BC217873  Fraxinus latifolia John Thomas Howell 1951-5-28 27498 Sonoma Laguna east of Sebastopol Comment
  SJSU452  Fraxinus latifolia A. W. Jacobs 1939-7-20 Sonoma Russian R Terrace near Forestville Comment
  CAS-BOT-BC130178  Fritillaria affinis D. E. Breedlove 1983-4-11 58687 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC130182  Fritillaria affinis Alice Eastwood; John Thomas Howell 1939-4-2 7365 Sonoma Larkspur Rock Comment
  RSA177995  Fritillaria affinis Robert F. Thorne 1965-4-19 34296 Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 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
  UC480623  Fritillaria recurva Carl Meyer 1928-3-3 321 Sonoma Santa Rosa Comment
  UCD112400  Fritillaria recurva Christopher Mallek 2008-5-2 HC1- 2 Sonoma Hooker Canyon. 590 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
  JEPS6686  Galium californicum subsp. californicum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville; Russian River Comment
  UCD121756  Galium divaricatum F. Bowcutt 1994-5-21 1812 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. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 411 Comment
  SEINET12333743  Galium murale H. K. Wagnon 1989-1 1882 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, edge of service road 67 Comment
  RSA67138  Galium porrigens J. T. Howell 1930-6-8 5263 Sonoma 1 mile east of Bodega Bay Comment
  UCD121890  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  CHSC30057  Galium porrigens var. tenue Terrence Finn 1980-3-15 16 Sonoma Plant found just under Buzzard Rock. 85 Comment
  UC28231  Galium tricornutum F. T. Bioletti June 1893 Sonoma Kenwood Comment
  RSA276857  Galium trifidum Peter Rubtzoff 1957-6-28 3378 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC303506  Gamochaeta ustulata David D. Keck; J. Clausen 1935-6-15 3370 Sonoma 1 mile N of Salmon Creek, N of mouth of Salmon Creek Comment
  UCD131642  Gamochaeta ustulata Frederica Bowcutt 1984-6-23 414 B 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
  UCD148421  Gamochaeta ustulata Peter Rubtzoff 1960-5-22 4413 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UC1122675  Garrya flavescens J. B. Spring 1932-7-7 98 Sonoma 2/5 mi sw Veeder Mountain; Napa Quad. 609 Comment
  CDA11139  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11550 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  JEPS23940  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley Kenwood Region (near Chamberlain Place) Comment
  CAS-BOT-BC278691  Gastridium phleoides Peter Rubtzoff 1956-9-14 2866 Sonoma Vacation Beach, near Guerneville Comment
  UCR248909  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh Comment
  SEINET8718700 Image available Gastridium ventricosum Leo Koch 1940-1 837 Sonoma above Sulfur Creek Geysers Comment
  UCSB4791  Gaultheria shallon Keator, Glenn 1959-4-1 Sonoma 1.5 miles north of Fort Ross Monument on Highway 1 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
  UCD160843  Genista monspessulana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3375 Sonoma Section 10, One-quarter mile west of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker) 457 Comment
  RSA0028534  Geranium dissectum Robert F. Thorne 1965-4-19 34261 Sonoma Cotati, Waters Ranch 30 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
  RSA132210  Gilia capitata Delzie Demaree 1955-6-12 36971 Sonoma Westminister Woods. P.O. Camp Meeker. Comment
  UCSB31713  Gilia capitata subsp. capitata Townsend, J. 1977-5-30 Sonoma East bank Russian River, 1 mile south of Gurneyville Comment
  CAS-BOT-BC225281  Gilia capitata subsp. chamissonis Verne Grant; Alva Grant 1948-7-7 8598 Sonoma Sand dunes near Highway 1, eleven miles north of Bodega Comment
  UC931995  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma eleven mi n Bodega (sand dunes near highway 1); n of Bodega Comment
  SEINET10464458  Githopsis diffusa subsp. robusta Michener 1892-5-30 MICHENER 1411 Sonoma Comment
  UC22424  Glaux maritima J. Burtt Davy 1897-9-19 4060 Sonoma Petaluma Comment
  SJSU8210  Glaux maritima W. Savage 1976-7-16 1104 Sonoma on Chas. Gambonini Ranch by Schultz Slough c. 5 km SE of Petaluma 1 Comment
  UC518025  Glebionis segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay Comment
  CAS-BOT-BC303751  Glebionis segetum Walter & Irja Knight 1963-8-13 210 Sonoma 1.5 miles S Salmon Creek Comment
  CAS-BOT-BC227642  Glyceria Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh. Comment
  SEINET10717790  Glyceria P. Rubtzoff 1964-5-30 Rubtzoff 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  UC1446208  Glyceria declinata Paul But with Peter Rubtzoff 1974-4-6 1005 Sonoma Kenwood Marsh Comment
  CDA2164  Glyceria declinata Farm Adv. 1969-5-22 Sonoma Mill Station Road, Sebastopol. 0 Comment
  CAS-BOT-BC282727  Glyceria elata Peter Rubtzoff 1951-6-17 280 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282815  Glyceria leptostachya Peter Rubtzoff 1957-5-26 3357 Sonoma Occidental Marsh Comment
  UCD66741  Glyceria leptostachya A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3581 Sonoma Occidental Road near Barstow Station. Comment
  UCD66790  Glyceria occidentalis Robert F. Thorne 1965-4-19 34293 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 182 Comment
  RSA94014  Glyceria striata Peter Rubtzoff 1951-6-9 160 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCD105811  Glycyrrhiza lepidota Freed W. Hoffman 1946-8-16 785 Sonoma Near Guerneville. Gravel bar, Russian River. Comment
  CAS-BOT-BC166689  Gnaphalium Peter Rubtzoff 1965-11-9 s.n. Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC303863  Gnaphalium Peter Rubtzoff 1971-9-3 6697 Sonoma Spring Creek Reservoir Area Comment
  CAS-BOT-BC302685  Gnaphalium palustre A. A. Heller 1902-6-10 5684 Sonoma Santa Rosa Comment
  CAS-BOT-BC302696  Gnaphalium palustre Peter Rubtzoff 1956-9-21 2935 Sonoma Vacation Beach, near Guerneville. Comment
  CDA13133  Gnaphalium palustre G. F. Hrusa, R. Gross 1996-6-3 13068 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
  RSA94307  Gnaphalium palustre Peter Rubtzoff 1951-8-19 655 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  CAS-BOT-BC164670  Gnaphalium purpureum Peter Rubtzoff 1953-5-17 1399 Sonoma Forested hills south of Guerneville (Neeley Hill area). Comment
  SEINET8726299 Image available Godetia amoena Calvin, Phyllis McMillan 1951-1 1552 Sonoma with Ceanothus Jepsoni, Quercus durata, and Photinia arbutifolia; Northwest of Cloverdale on road to Boonville, ca. 1 mile east of Mendocino-Sonoma County line, Sonoma County. 335 Comment
  RSA0004473  Godetia amoena var. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mile east of Glen Ellen. 30 Comment
  CAS-BOT-BC305179  Grindelia hirsutula John Thomas Howell 1938-7-3 13946 Sonoma Stony Point Comment
  CAS-BOT-BC305187  Grindelia hirsutula Peter Rubtzoff 1951-8-26 680 Sonoma South of Guerneville (Neeley Hill area) Comment
  SBBG33298  Grindelia hirsutula J. P. Broughton 1969-7-13 1275 Sonoma salt marsh bordering Tomales Bay near Tubbs Island Comment
Read comments
Oct 1 2009
  CAS-BOT-BC305169  Grindelia hirsutula Walter Knight; Irja Knight 1963-10-29 434 Sonoma Between Two Rock Ranch and County Line Comment
  POM202659  Grindelia hirsutula var. davyi J. T. Howell 1932-10-9 10816 Sonoma 6 miles from Sonoma on road to Napa. Comment
  HSC94161  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek Trail. 177 Comment
  UC584178  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma 0.3 mi n entrance to Petrified Forest (50-150 ft above road) Comment
Read comments
Feb 27 2007
  CDA34789  Hedera helix Peter Warner 2010-3-1 110 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  CAS-BOT-BC306331  Hedypnois cretica Ella Dales Cantelow 1941-4-14 3509 Sonoma Mouth of Salmon Creek nr. ocean Comment
  CAS-BOT-BC306770  Helenium bigelovii John Thomas Howell 1947-6-26 23311 Sonoma Cunningham Marsh Comment
  UC1032155  Helenium bigelovii H. S. Yates 1936-5-16 5598 Sonoma 2 mi se Forestville (Pittsin Marsh <from dip>); Sebastopol Quadrangle Comment
  CAS-BOT-BC309584  Helenium puberulum D. E. Breedlove 1961-12-31 1442 Sonoma At S side of mouth of Russian River 6 Comment
  RSA800283  Helenium puberulum Peter Rubtzoff 1968-7-20 5927 Sonoma Upper Salmon Creek Marsh. Comment
  RSA94283  Helenium puberulum Peter Rubtzoff 1951-9-2 709 Sonoma Northern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC314693  Helianthella californica var. californica Alice Eastwood 1915-6-6 4568 Sonoma Petrified Forest Comment
  UCD132899  Helianthus bolanderi K. Esau 1935-7-19 s.n. Sonoma near Petaluma. Comment
  UCD164995  Hemizonia Peter Rubtzoff; Nancy harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC262816  Hemizonia Peter Rubtzoff 1956-9-24 2943 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC305997  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  RSA796177  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Marshes: Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  RSA800073  Hemizonia Peter Rubtzoff 1956-9-24 2943 Sonoma Stony Point Marsh. 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
  UCD166306  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  POM118169  Hemizonia congesta H. M. Hall 1916-6-23 257 Sonoma 12 km NW of Petaluma. Comment
  SD62041  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-3 Sonoma 4.4 miles west of Santa Rosa. Comment
  CAS-BOT-BC306215  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10240 Sonoma Region of San Francisco Bay. 4 mi. northwest of Petaluma Comment
  CAS-BOT-BC306224  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  LA203725  Hemizonia congesta subsp. congesta Lewis S. Rose; 1935-9-11 35622 Sonoma 2 mi. N of Healdsburg 39 Comment
  UC1042317  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  UC952862  Hemizonia congesta subsp. congesta Milo S. Baker 1945-8-14 11153 Sonoma 2 mi n Sebastopol (drier ground of marsh); Perry Marsh Comment
  CAS-BOT-BC309713  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2652 Sonoma 1/2 mi. S. of Jenner Comment
  CAS-BOT-BC309676  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -C Sonoma About a mile west of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309722  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-10-1 6052 Sonoma Laguna on College Ave Hiwy Comment
  HSC5815  Hemizonia congesta subsp. luzulifolia L. S. Rose 1964-8-26 64064 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  CAS-BOT-BC309959  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-9-15 301 Sonoma Unspecified Comment
  CAS-BOT-BC309965  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-9 714 -A Sonoma 4-1/2 miles south of Santa Rosa Comment
  CDA7023  Hemizonia congesta subsp. luzulifolia T. C. Fuller 1961-10-13 7109 Sonoma Highway 101, 2 miles south of Asti. 0 Comment
  UC295870  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12100 Sonoma n of Healdsburg Comment
  RSA81620  Hemizonia lutescens James I. McMurphy 1909-7-10 504 Sonoma Rocky point 4 miles NW of Cloverdale on road to Boonville. Comment
  UCD126870  Heracleum maximum Frederica Bowcutt 1994-5-21 1826 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. Along meadow trail approx. 3/4 mile from trailhead. 396 Comment
  CAS-BOT-BC310186  Hesperevax sparsiflora var. brevifolia John H. Thomas 1976-6-15 18266 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 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
  SD40697  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2 miles from Occidental, Coys Ranch 89 Comment
  CAS-BOT-BC123115  Hesperolinon spergulinum Henry Nicholas Bolander 1867-6-1 6568 Sonoma Cloverdale Comment
  JEPS82313  Hesperolinon spergulinum Roger Raiche 1983-7-5 30484 Sonoma Occassional. Northeast of Plantation relatively open slope facing northwest, Tin Barn Road (3.5 mi north from King Ridge Road). Comment
  UC1212384  Hesperolinon spergulinum Helen K. Sharsmith 1947-5-30 3967 Sonoma 2 mi e Occidential (Harrison Grade); Inner North Coast Ranges 213 Comment
  UC1212399  Hesperolinon spergulinum Milo S. Baker 1947-7-15 11867 Sonoma ca 2 mi ne Occidental; Harrisons Grade Comment
  RSA151797  Hesperolinon spergulinum H. L. Mason 1946-7-4 12901 Sonoma 2 miles east of Occidental. Comment
  UC1212387  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4126 Sonoma n of Pine Flat (slopes above Florence Creek); Inner North Coast Ranges, Mayacamas Mountains, Florence Cree 670 Comment
  UC980588  Heterocodon rariflorum Milo Baker 1936-5-29 Sonoma near Wright's School (on S<??> Hwy) Comment
  UC1128116  Heteromeles arbutifolia J. B. Spring, R. W. Lundh 1932-7-8 101 Sonoma 1 mi n Sonoma; Napa Quad. 152 Comment
  CAS-BOT-BC149828  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-12-27 461 Sonoma Summit, Pine Flat Rd. Comment
  UC75939  Heterotheca oregona var. oregona Miss M. Alice King 1897-10-1 Sonoma near Healdsburg; Dry Creek Comment
  CAS-BOT-BC311062  Heterotheca oregona var. oregona Mary P. Wells 1984-7-20 396 Sonoma In So. Fork Gualala River by The Sea Ranch Comment
  JEPS2470  Heterotheca sessiliflora subsp. bolanderi W. L. Jepson 1933-8-1 16550 a Sonoma Agua Caliente Comment
  JEPS23929  Heuchera micrantha var. diversifolia Volney Rattan 1877-1 Sonoma Guerneville Comment
  CAS-BOT-BC420945  Heuchera micrantha var. diversifolia G. DeNevers 1981-6-6 1464 A Sonoma Pepper wood Ranch. Woodland on N slope of Telegraph Hill Comment
  RSA0063143  Heuchera micrantha var. hartwegii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC424432  Heuchera pilosissima Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  UCSB2552  Heuchera pilosissima Keator, Glenn 1959-4-1 Sonoma 1.5 miles north of Fort Ross Monument on Highway 1 Comment
  CAS-BOT-BC319702  Hieracium albiflorum John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54006 Sonoma Fairfield Osborn Preserve of the Nature Conservancy 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  JEPS78858  Hieracium albiflorum Edward Lee 1936-6-8 2219 Sonoma Bohemian Grove; grounds near entrance Comment
  SEINET11842956  Hieracium albiflorum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -165 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 330 Comment
  SEINET9362826  Hieracium albiflorum Unknown 1995-6-8 2825 Sonoma 7 mi NW of Calistoga. Madrone-Douglas Fir-Quercus-Rhus assoc. Rdside rubble Botany 102, Botany Department, University of California, Davis. Comment
  RSA124809  Hoita macrostachya Peter H. Raven, R. Snow 1958-7-23 13683 Sonoma 10.5 miles west of Skaggs Springs. Comment
  CAS-BOT-BC280785  Holcus lanatus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6230 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC280794  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  SDSU1671  Holocarpha virgata D. F. Howe 1965-8-3 4104 Sonoma 4.4 miles west of Santa Rosa. Comment
  JEPS83481  Holodiscus discolor R. D. Stone 1985-5-29 672 Sonoma Cobb Mt.; ; upper Cobb Creek drainage ca. 1.1 mi. SW of Cobb Mt. summit 1066 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
  CAS-BOT-BC315808  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC315814  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC166677  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  JEPS85278  Holozonia filipes R. Bacigalupi and P. Rubtzoff 1976-8-6 Sonoma 1 to 1.5 mi w of Bavarian Lion Company ranch road junction with Franz Valley Rd. ((0.4 mi s of Hwy 128), off s side of Bavarian Lion Company ranch road (between it and a creek)); Knights Valley Comment
  POM53174  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  UCD37350  Hordeum brachyantherum subsp. californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile E of Occidental. Comment
  UCD85380  Hordeum brachyantherum subsp. californicum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 35 A Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. 30 Comment
  CAS-BOT-BC285191  Hordeum marinum subsp. gussoneanum K. Wagnon 1939-5-16 204 Sonoma Entrance of Rd. 9, 14 miles west of Sebastopol on Bodega Highway Comment
  CAS-BOT-BC536157  Horkelia californica John Thomas Howell 1930-6-8 5279 Sonoma 8 miles north of Bodega Bay Comment
  POM180622  Horkelia californica J. T. Howell 1930-6-8 5279 Sonoma Hillside overlooking the ocean, 8 miles N of Bodega Bay Comment
  JEPS97512  Horkelia tenuiloba Dean Schlichting 2000-5-31 Sonoma 1/2 mi E of Annapolis Comment
  CAS-BOT-BC146506  Horkelia tenuiloba Mr. Floyd Bailey; Mrs. Floyd Bailey 1925-4-26 96 a - local Sonoma Plantation Comment
  CAS-BOT-BC175971  Hypericum Peter Rubtzoff 1971-6-10 6535 Sonoma Pitkin Marsh, near Forestville. Near the southern end of the upper part of the marsh Comment
  CAS-BOT-BC290631  Hypericum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC540825  Hypericum Peter Rubtzoff 1969-7-21 6115 Sonoma Guerneville Marsh, Pocket Canyon area. Comment
  CAS-BOT-BC400993  Hypericum anagalloides Milo S. Baker 1927-6-19 2216 a Sonoma Hood Mountain. In Macartney's woods Comment
  UC1084463  Hypericum concinnum G. Thomas Robbins 1937-6-5 227 Sonoma roadside near Graton (Vine Hill region); Vine Hill region Comment
  UCD148322  Hypochaeris glabra Peter Rubtzoff 1953-11-1 1429 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC316714  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  SBBG21186  Hypochaeris radicata V. Haraden 1941-7-13 9 Sonoma ca. 1 mi N of head of Bodega Bay Comment
  UC571178  Iris douglasiana H. L. Mason Jun 1930 5662 Sonoma Mouth of Gualala River Comment
  SDSU11765  Iris douglasiana D. F. Howe 1963-5-23 3533 Sonoma 4.5 miles north of Cloverdale on #128. 366 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
  CDA13304  Iris macrosiphon G. F. Hrusa, R. Gross 1996-4-2 12827 Sonoma North Coast Biodiversity Arena; Base of Diamond Mtn. on NW side. 2 m. S of Calistoga Comment
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Jul 28 2008
  CAS-BOT-BC210128  Isoetes Peter Rubtzoff; Nancy Harrison 1974-5-26 7477 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. 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
  CAS-BOT-BC173547  Isoetes howellii Peter Rubtzoff; Edward Lee 1974-5-11 7385 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC810503  Isoetes howellii John Thomas Howell 1937-6-6 13015 Sonoma Sebastopol Comment
  UCD150145  Isoetes howellii 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
  CAS-BOT-BC61919  Isoetes nuttallii John Thomas Howell 1937-6-6 13029 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC61921  Isoetes nuttallii J. Clausen 1935-5-24 1078 Sonoma Adobe Canyon along Sonoma Creek Comment
  CAS-BOT-BC61926  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC61927  Isoetes nuttallii Peter Rubtzoff 1951-7-14 468 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC112414  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112408  Isolepis carinata Peter Rubtzoff 1966-4-30 5696 Sonoma Todd Road 1.4 mi. from Hwy 116 and 0.6 mi. from Llamo Road. Comment
  SD134068  Isolepis carinata Peter Rubtzoff 1966-4-30 5696 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 mile from Llano Road, low, moist meadow. Comment
  CHSC42880  Isolepis cernua Mary M. Hektner 1975-8-14 229 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS19982  Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Sea-bluffs just n Salmon Creek; n of Salmon Creek Comment
  RSA298528  Isolepis cernua Robert A. Norris, John L. Inase, Allen Nakagawa, Willie J. Roberts, Michael Kurtz, Nelson R. Powers 1982-8-8 4434 Sonoma Sonoma State Beach, near Goat Rock Picnic Area, across mouth of Russian River from Jenner. Comment
  CAS-BOT-BC340226  Jaumea carnosa Peter Rubtzoff 1962-8-3 5029 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC340230  Jaumea carnosa W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  CAS-BOT-BC251221  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles East of Guerneville, along Russian River at Forest Hills. Comment
  SEINET265720  Juglans californica Royal D. Suttkus 1967-6-25 67- 28 -1 Sonoma Russian River 1 mi E of Alexander Comment
  UCD110264  Juglans hindsii Botany 102 students 1993-4-24 81 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 NW of Napa. S of Sonoma Creek near beginning of Hillside Trail. 381 Comment
  UCD159763  Juncus James A. Neilson Jr. 1975-1-24 3165 Sonoma Mayacmas Mountains; Alder Creek drainage; Reservoir #2, Dominichelli Ranch. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  UCD164998  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing. Comment
  JEPS30835  Juncus breweri Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8591 Sonoma just n Horseshoe Cove ((indicated on Bodega Head U.S.G.S. Sheet as depressed contour)); Bodega Head Comment
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Dec 13 2006
  UCR252541  Juncus breweri Peter Rubtzoff 1954-8-3 1647 Sonoma Bodega Head Marsh 2 Comment
  UC842406  Juncus covillei John Thomas Howell 1937-7-4 13078 Sonoma near Petrified Forest Comment
  POM312828  Juncus dubius H. L. Mason 1946-7-4 12890 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  RSA94455  Juncus dubius Peter Rubtzoff 1951-7-7 356 Sonoma Pitkin Marsh, near Forestville; Western branch of the upper marsh. Comment
  CDA42414  Juncus effusus subsp. pacificus D. G. Kelch 2012-5-2 12 .068 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  UCR244513  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5904 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  CAS-BOT-BC164035  Juncus hesperius Peter Rubtzoff 1968-7-13 5919 Sonoma Sonoma: upper Salmon Creek Marsh Comment
  UCR280132  Juncus hesperius Peter Rubtzoff 1970-9-3 6375 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  RSA789174  Juncus hesperius Peter Rubtzoff 1969-8-14 6137 Sonoma Coleman Marsh. Comment
  CAS-BOT-BC328117  Juncus lescurii Peter Rubtzoff 1962-10-9 5117 Sonoma Lower Salmon Creek Marsh. Comment
  HSC42040  Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay near the ocean Comment
  POM111129  Juncus lescurii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UC143742  Juncus patens A. A. Heller 1902-6-27 5778 Sonoma w of Windsor (near Russian River) Comment
  RSA126570  Juncus xiphioides H. S. Yates 1936-5-16 5596 Sonoma 2 miles SE of Forestville 30 Comment
  CAS-BOT-BC311841  Kickxia Peter Rubtzoff 1969-8-14 6128 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC273789  Koeleria pyramidata G. DeNevers; J. Shumate 1981-7-25 1865 Sonoma Pepperwood Ranch. W of 3 Tree Hill Comment
  CAS-BOT-BC340483  Lactuca saligna Leonore Bravo 1982-9-12 s.n. Sonoma Guerneville (on road to Armstrong Grove) Comment
  UC194415  Laennecia coulteri E. L. Greene 1888-9-1 Sonoma Santa Rosa Comment
  CAS-BOT-BC274318  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point Comment
  CAS-BOT-BC274320  Lagurus ovatus John H. Thomas 1976-6-15 18228 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CDA2216  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Stewart s ( Steward ) Point Comment
  POM264697  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  SEINET190913 Image available Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Point. Comment
  CAS-BOT-BC272433  Lamarckia aurea Greg de Nevers; Frank Almeda 1987-4-11 8146 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  POM230561  Lamium amplexicaule J. T. Howell 1937-4-11 12910 Sonoma M.S. Baker s place near Kenwood. Comment
  CDA13781  Lamium purpureum G. F. Hrusa, R. Gross 1993-3-14 10528 Sonoma Knights Valley; NW base of Mt. St. Helena, approx. 10 mi. N of Calistoga on Hwy 128. 106 Comment
  SD56365  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma Near Sebastopol Comment
  JEPS86321  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 914 Sonoma 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
  CAS-BOT-BC346335  Lasthenia californica Dorothy Scherer 1997-4-15 085 Sonoma South of Kolmer Gulch and ca. 400 ft. east of Hwy One, Fort Ross State Historic Park 91 Comment
  JEPS9909  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Comment
  JEPS10380  Lasthenia californica subsp. macrantha W. L. Jepson 1931-7-19 15947 Sonoma just n of mouth Salmon Creek (between Bodega Bay and the mouth of the Russian River) Comment
  CAS-BOT-BC355519  Lasthenia glaberrima John Thomas Howell 1935-5-5 12604 Sonoma Near Kenwood Comment
  CAS-BOT-BC355534  Lasthenia glaberrima Peter Rubtzoff 1961-5-24 4602 Sonoma Upper Stemple Creek Marsh Comment
  RSA276854  Lasthenia glaberrima Peter Rubtzoff 1966-5-30 5747 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road Comment
  CAS-BOT-BC352789  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  CAS-BOT-BC352790  Lasthenia glabrata subsp. glabrata Alice Eastwood 1921-4-24 10315 Sonoma Santa Rosa Comment
  POM203664  Lasthenia glabrata subsp. glabrata J. T. Howell 1933-4-1 10925 Sonoma Petaluma Comment
  UCD133795  Lasthenia gracilis G. F. Hrusa 1995-4-2 12038 Sonoma along Franz Valley School Road, approx. 1 mile NW of Napa/Sonoma county line. 250 Comment
  POM253184  Lasthenia macrantha subsp. bakeri A. A. Heller 1938-5-14 s.n. Sonoma East of Bodega Bay Comment
  CDA34802  Lathyrus angulatus Peter Warner 2010-5-6 146 Sonoma Annadel State Park, E side of Lake Ilsanjo at picnic tables, near Richardson Trail. Comment
  CAS-BOT-BC204991  Lathyrus jepsonii var. californicus A. A. Heller 1902-6-11 5692 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  UCD106668  Lathyrus tingitanus Donna Allen 1977-5-24 s.n. Sonoma Dry cr. Rd. next to bridge at site of proposed dam. Comment
  CDA36956  Lathyrus vestitus CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  HSC14709  Lathyrus vestitus subsp. vestitus James Faro 1962-4-18 25 Sonoma About 4.5 mi. N of Guerneville on the Old Cazadero Rd. Comment
  CAS-BOT-BC323233  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 miles E of Shellville (just E of intersection of Sonoma road). Comment
  CAS-BOT-BC323252  Layia chrysanthemoides John Thomas Howell 1931-4-2 6048 Sonoma Boyes Springs Comment
  UC913069  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 mi e Shellville (just e of intersection of Sonoma Road) Comment
  CAS-BOT-BC379625  Layia platyglossa John Thomas Howell 1930-7-27 5405 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC329306  Layia septentrionalis Lawrence Beane 1949-5-11 281 Sonoma 2 miles N of Cloverdale Comment
  RSA106768  Ledum glandulosum subsp. columbianum L. S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  CAS-BOT-BC274361  Leersia oryzoides Peter Rubtzoff 1961-10-15 4759 Sonoma Vacation Beach, 2 mi. below Guerneville Comment
  CAS-BOT-BC266609  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles NE of Penngrove, on Lichau Road 426 Comment
  CAS-BOT-BC210105  Lemna Peter Rubtzoff 1965-11-9 5668 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC210110  Lemna Peter Rubtzoff 1970-5-30 6253 Sonoma 5 miles north of Sears Point. Comment
  RSA0065910  Lemna minor Peter Rubtzoff 1954-8-13 1710 Sonoma Bodega Head Marsh. Comment
  UC1019908  Lemna minuscula Peter Rubtzoff 1951-6-17 287 Sonoma Pitkin Marsh near Forestville; Pitkin Marsh Comment
  UCD166178  Lemna minuta Peter Rubtzoff 1969-7-5 6107 Sonoma Pond 5.25 mi. northeast of Penngrove near Lichan Road. Comment
  CAS-BOT-BC527284  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC210097  Lemna valdiviana Peter Rubtzoff 1969-7-5 6105 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  CAS-BOT-BC371469  Lepidium appelianum Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Highway 37. Comment
  UCD167420  Lepidium didymum Peter Rubtzoff 1958-8-9 3840 Sonoma Laguna de Santa Rosa N of Sebastopol (nr. Occidental Rd.) 20 Comment
  UC10643  Lepidium latipes Edw. L. Greene Apr 1892 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC12659  Lepidium nitidum A. A. Heller; H. E. Brown 1902-3-14 5054 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC12969  Lepidium strictum John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53944 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC12970  Lepidium strictum John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54673 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  POM203996  Leptosiphon acicularis J. T. Howell 1935-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  RSA0063629  Leptosiphon androsaceus A. A. Heller, H. E. Brown 1902-4-2 5199 Sonoma Hills Northeast of Santa Rosa. Comment
  UCD118579  Leptosiphon androsaceus Botany 102 Students 1993-5-8 253 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. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trailhead parking. About 1 air mile S of Red Mountain, just N of Sonoma Creek. Comment
  UCR265105  Leptosiphon bicolor Ann Howald 2015-4-1 3337 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 18.3 miles west of intersection with Rockpile Rd, Wolf Creek drainage 131 Comment
  CAS-BOT-BC376428  Leptosiphon jepsonii Greg de Nevers 1995-6-3 10746 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Road to Weimar Flat. 400 Comment
  JEPS127611  Leptosiphon jepsonii Estelle P. Clifton 2016-4-14 Sonoma 4611 Porter Creek Road, Santa Rosa Comment
  CAS-BOT-BC341999  Lessingia ramulosa J. P. Tryner 1938-9-1 s.n. Sonoma Near Wagnon Ranch, 4 miles west of Sebastopol Comment
  JEPS116507  Leymus californicus Peter Warner 2009-6-3 104 Sonoma Poff Ranch, along N unfenced boundary, adjacent to or on Willow Creek (Calif. State Parks Property), upper east Pomo Canyon, along logging road 130 Comment
  UCD64625  Leymus mollis P. G. Connors 1992-5-7 246 Sonoma near Mussel Point, overlooking Salmon Creek Beach. Comment
  CAS-BOT-BC376325  Leymus triticoides Greg de Nevers 1993-7-27 10476 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa E base of Telegraph Hill 400 Comment
  UCD150275  Leymus triticoides M. Lennox; D. Curle 2011-12-7 PDR 146599 8 Sonoma Petaluma. Comment
  CAS-BOT-BC436538  Ligusticum apiifolium John Thomas Howell 1930-6-8 5252 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC451696  Lilaea scilloides Peter Rubtzoff 1961-5-24 4605 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC451704  Lilaea scilloides Greg de Nevers 1992-5-5 10142 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC451711  Lilaea scilloides Peter Rubtzoff 1958-5-3 3609 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC130829  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130835  Lilium pardalinum J. W. Congdon 1880-6-21 s.n. Sonoma Sebastopol Road Comment
  RSA178006  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34260 Sonoma Cotati, Waters Ranch 30 Comment
  JEPS87239  Limnanthes vinculans Jack and Betty Guggolz 1992-4-22 1255 Sonoma se Bloomfield Road (s of Sebastopol) 32 Comment
  UC1330359  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 mi from Hwy 116 (0.6 mi from Llano Road); ; Todd Road, near Llano Road, Sonoma Co. Comment
  UCR279858  Limosella acaulis Peter Rubtzoff 1966-4-17 5675 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  JEPS58111  Linanthus acicularis W. L. Jepson 1911-4-30 4182 Sonoma near Glen Ellen; Sonoma Valley Comment
  UC70407  Linanthus grandiflorus Milo S. Baker 1899-6-24 Sonoma near Valley Ford 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
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May 27 2016
  SEINET12030991  Lithocarpus densiflorus F. H. Utech 1988-1 88 -209 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  SEINET8724410 Image available Lithocarpus densiflorus L. Fallon 1939-1 s.n. Sonoma 15 miles west of Santa Rosa. Comment
  SEINET8981358  Lithocarpus densiflorus L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa Comment
  CAS-BOT-BC505199  Lithophragma affine Ann Howald 2015-4-1 3315 Sonoma North Coast Ranges: Stewarts Point--Skaggs Springs Rd, 14.7 mi W of jct with Rockpile Rd, Wolf Creek drainage 520 Comment
  UCD102737  Lithophragma heterophyllum M. Wiesendanger 1927-5-5 735 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC376405  Livistona Greg de Nevers 1997-5-27 11009 Sonoma Santa Rosa, Peterson Lane. 45 Comment
  UC1093940  Logfia filaginoides Herbert L. Mason 1947-5-4 13209 Sonoma near Kenwood; Hood Mountain Comment
  CAS-BOT-BC283281  Lolium multiflorum Walter & Irja Knight; J. T. Howell 1987-5-27 6279 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC283288  Lolium multiflorum Peter Rubtzoff 1951-7-7 380 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  CAS-BOT-BC283290  Lolium multiflorum Peter Rubtzoff 1951-7-21 481 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  UCD66314  Lolium perenne David L. Morgan 1956-4-2 Sonoma 2 mi. W of Petaluma on the 'D' St. extension Rd. Comment
  UCD84596  Lolium perenne Frederica Bowcutt 1996-5-24 2162 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  SEINET10592055  Lolium temulentum A. Arthur Heller 1902-6-10 Heller 5679 Sonoma Santa Rose. Comment
  UCD66664  Lolium temulentum Collector Unknown 1941-4-1 Sonoma Sebastopol Hwy. Comment
  UCR45090  Lomatium dasycarpum L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SEINET13944396 Image available Lomatium dasycarpum A. A. Heller, H. E. Brown 1902-1 5088 a Sonoma Hills 8 mi NE of Santa Rosa 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-BC217813  Lomatium repostum John Thomas Howell 1966-6-2 41551 Sonoma In hills E. of Aqua Caliente Comment
  RSA74049  Lomatium repostum Anonymous 1947-5-7 11742 Sonoma SE slope of Mt Hood. Comment
  CAS-BOT-BC540801  Lonicera Peter Rubtzoff 1962-4-11 4787 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC240647  Lonicera hispidula A. A. Heller 1902-6-26 5767 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CDA31357  Lonicera hispidula var. vacillans D. G. Kelch 2010-5-3 10 .206 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UC765586  Lonicera hispidula var. vacillans Robert F. Hoover 1941-6-7 5302 Sonoma Molino-Occidental Comment
  POM46734  Lonicera involucrata A. A. Heller 1902-6-11 5690 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UCD137392  Lonicera involucrata P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC290638  Lotus Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC294700  Lotus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC304423  Lotus Peter Rubtzoff 1970-5-16 6226 Sonoma Five miles north of Sears Point. Comment
  RSA0020334  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  UCD106698  Lotus angustissimus Frederica Bowcutt 1984-6-23 429 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  POM18310  Lotus benthamii A. A. Heller 1903-4-25 7458 Sonoma Fort Ross Comment
  JEPS55455  Lotus formosissimus Robert Percy Brandt 1915-5-18 Sonoma Del Mar Comment
  SEINET4982902  Lotus formosissimus Unknown 1994-4-3 77 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; Hwy 1 Comment
  SEINET12165156  Lotus humistratus W. Knight, Knight, I.; DrEdwards, S. 1986-1 5353 Sonoma Geyser Peak - access from Healdsbrug-Geysers Rd 853 Comment
  UCR2752547  Lotus purshianus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  UC862208  Lotus purshianus var. purshianus A. A. Heller 1938-8-11 15321 Sonoma Anderson Valley Comment
  UCD66027  Ludwigia hexapetala B. J. Grewell 2006-8-25 06- 52 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol. 16 Comment
  UCD78331  Ludwigia hexapetala B. J. Grewell 2005-11-21 05- 45 -LU Sonoma Local tributary to Mark West Creek, n. side River Road, Santa Rosa across rd. from Martinelli Winery. Within Laguna de Santa Rosa sub-basin of the Russian River Watershed. 28 Comment
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Aug 10 2011
  CAS-BOT-BC164642  Ludwigia peploides Peter Rubtzoff 1955-9-10 2134 Sonoma East Guernewood, near Guerneville along Russian River. Comment
  CAS-BOT-BC164056  Ludwigia peploides Peter Rubtzoff 1956-9-15 2911 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC201291  Lupinus Charles Piper Smith 1947-6-25 47572 Sonoma Highway 1, Stewarts Point, 7.6 miles south Comment
  CAS-BOT-BC195978  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 miles west Comment
  CAS-BOT-BC195982  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 mi. west along Guerneville road 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
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Jan 27 2007
  CAS-BOT-BC196044  Lupinus albifrons var. collinus Peter Rubtzoff 1953-5-18 1414 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  CAS-BOT-BC196152  Lupinus albifrons var. douglasii F. W. Johnson 1890-9-10 57 Sonoma Santa Rosa Comment
  CAS-BOT-BC196461  Lupinus arboreus Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma South end of Russian River Bridge on highway 1 Comment
  CAS-BOT-BC8409  Lupinus bicolor var. tridentatus Alice Eastwood 1921-4-24 10369 Sonoma Santa Rosa Comment
  SD39044  Lupinus chamissonis Edith A. Purer 1932-7-21 4038 Sonoma Bodega Bay Comment
  SEINET12165200  Lupinus densiflorus var. palustris F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -224 Sonoma Valley Ford, junction of CA 1 & Valley Ford-Freestone highway, along Ebabias Creek 30 Comment
  RSA372150  Lupinus formosus var. formosus M. L. Conrad, David B. Dunn, LeDoux 1973-6-9 7079 Sonoma 0.6 mile west of Sonoma-Napa county line on Highway 121. 61 Comment
Read comments
Aug 9 2012
  UCD160313  Lupinus latifolius James A. Neilson Jr. 1975-5-23 3200 Sonoma Big Sulphur Creek, Abril property. ( (Elevation and coordinates estimated by label maker.) 388 Comment
  UC865303  Lupinus littoralis W. Bridge Cooke 1942-7-5 16355 Sonoma along State Route 1 near Jenner; near Jenner Comment
  NY15940  Lupinus lutosus A. A. Heller 1940-4-22 15546 Sonoma Alexander Valley. Lower Sonoran Life Zone. Comment
  UC1223285  Lupinus microcarpus var. densiflorus Joseph P. Tracy 1933-5-1 12129 Sonoma below Knight's Valley along Mayacama Creek; along Mayacama Creek below Knight's Valley Comment
  UC865134  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15091 Sonoma w of Petaluma near Two Rocks; near Two Rocks Comment
  UCD108752  Lupinus microcarpus var. densiflorus R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  UC82239  Lupinus microcarpus var. microcarpus Alice Eastwood Sonoma Bodega Point; ; Bodega Point, Sonoma Co. Comment
  UCD108851  Lupinus microcarpus var. microcarpus Freed W. Hoffman 1947-4-18 664 Sonoma roadside one mile north of Cloverdale. Comment
  POM276264  Lupinus nanus subsp. nanus Lyman D. Benson 1935-3-31 6403 Sonoma U.S. 101, S. of Cloverdale. 244 Comment
  UC82220  Lupinus pachylobus Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  CAS-BOT-BC320462  Lupinus polycarpus Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  JEPS78238  Lupinus sericatus Charley Patterson 1979-6-22 Sonoma Socrates Mine Rd. (Whispering Pines Quad.) lower left corner of quad. on bend in road just nw 3066 BM (ca 3 air mi sw of Whispering Pines); Whispering Pines Quad, Lake-Sonoma County Line Comment
  SEINET10870696  Lupinus succulentus Joseph W. Congdon 1880-5-2 Congdon s.n. Sonoma Comment
  UCD41195  Lupinus tidestromii Sue Nichol 2003-5-29 s.n. Sonoma Goat Rock Dunes State Park. Jenner. Comment
  UC570331  Luzula comosa H. S. Yates 1936-5-16 5591 Sonoma two mi se Forestville; Sebastopol Quad., se of Forestville 30 Comment
  UC727764  Luzula comosa Milo S. Baker 1946-5-13 11390 Sonoma marsh adjoining Pitkin Marsh on n (Vine Hill Region); , Pitkin Marsh on n Comment
  UCD142080  Luzula comosa G. F. Hrusa; R. Gross 1996-3-8 12658 Sonoma on lower SE facing slope on S side of Foote Creek. Foote Ranch at corner of Ida Clayton Road and Highway 128. 250 Comment
  RSA52692  Luzula comosa I. L. Wiggins 1949-4-30 12063 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga. Comment
  RSA244326  Luzula comosa var. comosa Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1089 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC441389  Luzula subsessilis John H. Thomas 1976-6-15 18315 Sonoma Southern end of the Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  RSA0015992  Lythrum hyssopifolia A. A. Heller 1902-6-7 5656 Sonoma Bennett Valley, southeast of Santa Rosa. 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
  RSA0016032  Lythrum tribracteatum Peter Rubtzoff 1970-8-18 6308 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC227610  Madia Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC342617  Madia anomala Alice Eastwood; John Thomas Howell 1938-5-15 5509 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC344043  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  UCD151198  Madia elegans James A. Neilson Jr. 1974-7-10 2817 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, eastern Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  CAS-BOT-BC344036  Madia elegans John Thomas Howell 1945-7-18 21314 Sonoma Pitkin Ranch, n. of Sebastopol 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
  UC400141  Madia exigua Ynes Mexia 1929-6-2 2391 Sonoma near Mark West Springs Comment
  CAS-BOT-BC343461  Madia gracilis L. R. Abrams 1916-7-4 5791 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC343468  Madia gracilis D. E. Breedlove 1983-5-4 58701 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC343471  Madia gracilis Catherine Best 1981-6-5 s.n. Sonoma Warm Springs Dam Overlook 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-BC345253  Madia sativa Walter Knight; Irja Knight 1963-10-3 378 Sonoma Off-ramp at freeway US 101 and Railroad Ave - Cotati Comment
  OBI33913  Madia sativa David J. Keil 1983-6-29 17197 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  UCD148452  Madia sativa Peter Rubtzoff 1962-10-23 5124 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  HSC15644  Maianthemum racemosum subsp. amplexicaule James Faro 1962-4-20 24 Sonoma 5 mi. N of Geurneville on Old Cazadero Rd. Comment
  CAS-BOT-BC511495  Maianthemum stellatum H. E. Brown; A. A. Heller 1902-4-15 5297 Sonoma Santa Rosa Creek Comment
  UC1042431  Malus pumila var. domestica Peter Rubtzoff 1951-11-24 847 Sonoma near Forestville (Pitkin Marsh, Upper Marsh, uppermost part of w branch); Pitkin Marsh Comment
  SEINET11993721  Malvella leprosa W. Knight, Knight, I. 1984-1 5425 Sonoma Willow Creek Rd 61 Comment
  CAS-BOT-BC348217  Matricaria discoidea Peter Rubtzoff 1958-8-9 3835 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC348313  Matricaria occidentalis Peter Rubtzoff 1972-5-25 6772 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC422698  Meconella californica M. S. Baker 1926-4-14 181 a-Son. Ser. Sonoma Unspecified Comment
  UCD166339  Medicago Peter Rubtzoff 1968-8-31 5945 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD107847  Medicago polymorpha P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC269514  Melica californica John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54659 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  UCD87218  Melica californica R. Tofsrud 1947-7-1 174 Sonoma Santa Rosa, old cemetery. Comment
  SEINET10599374  Melica californica A. Arthur Heller Heller 5351 Sonoma Comment
  SEINET11678851  Melica frutescens Unknown 1936-1 13117 Sonoma near Hopland Comment
  CAS-BOT-BC281285  Melica geyeri Catherine Best 1981-5-2 s.n. Sonoma Bohemian Highway 3.5 miles N of Occidental Comment
  JEPS128355  Melica geyeri Roger Raiche 2000-4-23 050 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SJSU9871  Melica geyeri G. J. Woodside 1969-4-29 36 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St. Dorothy's Rest Comment
  UCD87314  Melica geyeri Virginia Bufford 1937-5-10 454 Sonoma Larkspur Rock, Bodega Canyon. Comment
  UCD33240  Melica geyeri Beecher Crampton 1967-5-15 7936 Sonoma Sonoma County, Napa County line, 4 miles N.W. of Calistoga on Hwy. 128. Comment
  UCR119126B  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Central coast redwood area., 2.5 miles north of Guerneville, on roadside banks. 91 Comment
  CAS-BOT-BC262552  Melica torreyana G. DeNevers 1981-5-15 1182 Sonoma Pepperwood Ranch. In first big left hand Canyon off N arm of Garrison Canyon Comment
  CAS-BOT-BC262557  Melica torreyana Alice Eastwood 1922-5-4 11247 Sonoma Calistoga Comment
  OBI22007  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi N of Sonoma 61 Comment
  UCD89210  Melica torreyana L. Whitney 1935-4-14 s.n. Sonoma Near Occidental. Comment
  CAS-BOT-BC164083  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  UCR279622  Mentha canadensis Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC164092  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  JEPS63450  Mentha pulegium W. L. Jepson 1931-7-19 15938 Sonoma Watson School Bodega (Bodega) 152 Comment
  UCR45981  Mentha pulegium L. F. LaPre 1986-7-29 s.n. Sonoma North Coast Ranges, Pine Flat, near the Lake Co. line, 12 mi east of Healdsburg Comment
  UCSC000631  Mentha pulegium I. J. Condit 2008-8-13 s.n. Sonoma Guerneville Comment
  SD53368  Mentha pulegium Darley F. Howe 1962-7-28 3359 Sonoma Mark West Creek, 3.4 miles east of #101 Comment
  SEINET12330323  Mentha pulegium W. Knight, Knight, I. 1984-1 5429 Sonoma Willow Creek Road 61 Comment
  RSA785148  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  UCR244651  Mentha spicata Peter Rubtzoff 1975-8-28 8360 Sonoma Kenwood Marsh 120 Comment
  RSA784550  Mentha spicata Peter Rubtzoff 1961-8-24 4708 Sonoma Fife Creek Marsh. Comment
  RSA785145  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  UC19606  Mentzelia laevicaulis unknown 1888-10-15 Sonoma below Guernerville (Russian River) Comment
  CAS-BOT-BC428956  Micranthes californica Elmer I. Applegate 1934-3-25 8843 Sonoma Sausal Creek on road to Pine Flat, west slope of Mayacama Mountains Comment
  CAS-BOT-BC429004  Micranthes fragosa Milo S. Baker 1927-3-1 2737 d 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
  UCD136318  Micropus amphibolus M. Rei Scampavia Evangelista 2012-5-20 8 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  UC1070000  Micropus californicus var. californicus H. S. Yates 1934-4-22 3844 Sonoma 2 mi s Mark West; Calistoga Quadrangle 152 Comment
  CAS-BOT-BC348621  Micropus californicus var. californicus H. L. Mason 1934-4-28 8077 Sonoma Jensen's Ranch, head of Dohrmann Creek Comment
  CAS-BOT-BC348628  Micropus californicus var. californicus G. DeNevers 1981-5-30 1359 Sonoma Pepperwood Ranch. Above Pippindale Pond Comment
  CAS-BOT-BC348732  Microseris bigelovii Alice Eastwood 1915-6-29 4870 Sonoma Bodega Point Comment
  UC50058  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma Los Guilicos Comment
  CAS-BOT-BC311863  Mimulus Peter Rubtzoff 1962-6-13 4898 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC311873  Mimulus Peter Rubtzoff 1954-6-20 1513 Sonoma Guerneville Marsh. Comment
  RSA0025390  Mimulus Peter Rubtzoff 1962-6-19 4918 Sonoma Occidental Marsh. Comment
  UCD122641  Mimulus arvensis Botany 102 Students 1993-5-8 276 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon. Comment
  SEINET12335273  Mimulus aurantiacus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -241 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  JEPS27319  Mimulus aurantiacus var. aurantiacus Eleanor Armstrong May 1932 503 Sonoma near Camp Meeker 121 Comment
  RSA420300  Mimulus aurantiacus var. aurantiacus Ynez Whilton Winblad 1934-6-10 s.n. Sonoma Nob Hill at Monte Rio on the Russian River Comment
  RSA550831  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-5 1113 Sonoma N of Boyes Hot Springs. 0.6 mi E of Hwy 12 along Cavedale Road 160 Comment
  UC1193339  Mimulus aurantiacus var. aurantiacus R. H. Neuns 1950-5-8 108 Sonoma 5 mi e Geyserville; Quad. 60B3 457 Comment
  UCSB22998  Mimulus aurantiacus var. aurantiacus McCarthy, Sharon 1965-4-16 Sonoma North of junction between 5th Street and Verano Ave., Sonoma Comment
  UC1012302  Mimulus guttatus F. W. Pennell and H. L. Mason 1940-5-21 25483 Sonoma Kellogg Route 28 182 Comment
  UCR248878  Mimulus guttatus Peter Rubtzoff 1962-6-19 4918 Sonoma Occidental Marsh 305 Comment
  UCR253011  Mimulus guttatus Peter Rubtzoff 1959-6-20 4170 Sonoma Willow Creek Marsh 9 Comment
  HSC20728  Mimulus guttatus R. F. Good 1962-4-20 24 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes. Sonoma Mtn. Coast Range 0 Comment
  POM5061  Mimulus guttatus A. A. Heller, H. E. Brown 1902-4-23 5349 Sonoma Near Sonoma. Comment
  SEINET6986285  Mimulus guttatus A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area 1 mile east of Occidental. Comment
  JEPS41072  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9109 Sonoma between 1 and 1 1/4 mi w Napa County line (along the Franz Valley School road, 1/4 mi w of the school) 219 Comment
  UCD122794  Mimulus moschatus Frederica Bowcutt 1997-7-18 2173 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 662 Comment
  UC26912  Mimulus pilosus J. Burtt Davy 1896-7-22 4144 Sonoma Russian River Comment
  SEINET7067136  Mimulus rubellus A. G. Vestal 1947-4-29 s.n. Sonoma About 1.4 miles west of Green Valley. Coordinate datum: NAD27. UTM Zone 10, 648599mE, 4507677mN. Comment
  UCD84291  Mimulus tricolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC388892  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Rd. with Joy Rd., between Occidental and Bodega Comment
  UCD158806  Minuartia douglasii James A. Neilson Jr. 1974-3-27 2957 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD160304  Minuartia douglasii James A. Neilson Jr. 1975-5-22 3221 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 mi. west of Whispering Pines, State Highway 175. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  UCR248888  Minuartia douglasii Peter Rubtzoff 1974-5-18 7408 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 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
  POM85787  Monardella lanceolata var. lanceolata Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
Read comments
Dec 18 2017
  SEINET12326118  Monardella neglecta W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 229 Comment
  UC763168  Monardella purpurea R. F. Hoover 1938-6-14 3609 Sonoma 3 mi west Graton on road to Occidental Comment
  CAS-BOT-BC220387  Monardella purpurea Milo S. Baker 1946-7-4 11524 Sonoma Harrison Grade Rd. ca 2 mi N.E. of Occidental Comment
  SEINET9324387  Monardella sheltonii Unknown 1996-8-9 Sonoma Sonoma Co., CA (elev 800m) 800 Comment
  CHSC67996  Monardella villosa Jack Guggolz; Betty Guggolz 1992-6-13 1313 Sonoma West side of Black Mountain, south of Geyser Peak. 597 Comment
  JEPS128225  Monardella villosa Roger Raiche 2000-7-15 138 .00 Sonoma The Cedars. Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  UCD151228  Monardella villosa James A. Neilson Jr. 1974-5-1 3170 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
  UC634860  Monardella villosa subsp. franciscana H. L. Mason 1928-7-10 4883 Sonoma Near Ocean, Jenner Comment
  SEINET10869892 Image available Monardella villosa subsp. sheltonii A. Arthur Heller 1902-7-8 Heller 5812 Sonoma Sandy bank of Russian river at Healdsburg Comment
  CAS-BOT-BC318599  Monardella villosa subsp. subserrata Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford. Comment
  CHSC67998  Monardella villosa subsp. villosa Jack Guggolz; Betty Guggolz 1991-6-10 1181 Sonoma 3.0 miles east of northern Santa Rosa. On the south side of Buzzard Peak. 323 Comment
  CHSC68008  Monardella villosa subsp. villosa James Jokerst 1985-5-29 2387 Sonoma Near Cobb Mountain. 1126 Comment
  CAS-BOT-BC314179  Monardella villosa subsp. villosa Ella Dales Cantelow 1941-6-7 3706 Sonoma 3.2 mi N of Jenner. State Hwy 1. Comment
  SEINET3822997 Image available Monardella villosa subsp. villosa C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  CAS-BOT-BC220700  Monardella viridis Milo S. Baker 1928-7-1 3346 a Sonoma Not certain but think Hope Val. Along Hiway near turn to Boulsen's Comment
  CAS-BOT-BC349591  Monolopia major J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  RSA0005226  Montia clara A. A. Heller, H. E. Brown 1902-4-16 5313 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC444998  Montia fontana Greg de Nevers 1993-3-7 10317 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Above Double Ponds spring. 304 Comment
  CAS-BOT-BC444991  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  RSA0036994  Morella californica Lowell A. Ahart, Marge Anthony, John Dittes, Josephine Guardino 2013-4-25 18601 Sonoma Near the edge of a residential driveway, 0.7 miles (air) east of Pacific Ocean, 0.8 miles (air) west of Gualala River. 111 Comment
  UCD110297  Morella californica P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC515645  Muilla maritima Alice Griffin 1922-3-29 s. n. Sonoma Meadow opposite Myrtledale Geyser 1 1/2 mi north of Calistoga Comment
  CDA5598  Myosotis discolor T. C. Fuller 1958-5-24 3984 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UC1199520  Myosotis discolor Reino Alava 1955-5-24 2044 Sonoma Pitkin Marsh n.w. of Sebastopol; Pitkin Marsh Comment
  UCSB5631  Myosotis discolor Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 miles north of Sousa Corners Comment
  CAS-BOT-BC101792  Myrica californica Peter Rubtzoff 1962-4-11 4788 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  UC1135955  Myrica californica H. S. Yates 1934-4-21 3815 Sonoma near Guerneville; Duncan Mills Quad. Comment
  RSA94652  Myrica californica Peter Rubtzoff 1952-3-23 876 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  CAS-BOT-BC258904  Myriophyllum Peter Rubtzoff 1972-6-29 6815 Sonoma Laguna, Chileno Valley. Comment
  RSA800083  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  RSA799987  Myriophyllum brasiliense Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mi east-southeast of Sebastopol. Comment
  RSA800153  Myriophyllum brasiliense Peter Rubtzoff 1970-8-18 6318 Sonoma 5 mi N of Sears Point. Comment
  CAS-BOT-BC251162  Myriophyllum hippuroides Peter Rubtzoff 1966-8-26 5813 Sonoma Atascadero Creek Marsh. Comment
  UC729998  Nassella cernua Leo F. Koch 1940-4-24 844 Sonoma roadside n junction 2 1/2 miles from Kenwood and Glen Ellen; Bennett Valley Comment
  CAS-BOT-BC260070  Nassella lepida Peter Rubtzoff 1952-6-3 1149 Sonoma S slopes of Fitch Mountain, near Healdsburg Comment
  UCD87801  Nassella lepida A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3559 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC260277  Nassella pulchra John Thomas Howell; Walter & Irja Knight 1987-5-21 6239 Sonoma Corner of Todd and Llamo roads, Todd Road Preserve 24 Comment
  CAS-BOT-BC260289  Nassella pulchra David L. Morgan 1956-5-5 s.n. Sonoma 1 mile W of Petaluma on D Street Ext. Comment
  CAS-BOT-BC230265  Navarretia cotulifolia Miss May 1885-6-1 s.n. Sonoma Santa Rosa Comment
  POM65215  Navarretia cotulifolia A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa. Comment
  UCD48410  Navarretia intertexta Calvin McMillan Date Unknown 597 Sonoma Sonoma County, Trinity Road, 6 miles northeast Glen Ellen. Comment
  CAS-BOT-BC230366  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1974-5-26 7493 Sonoma Todd Road 1.5 miles from Highway 116 and 0.5 mile from (W of) Llano Road Comment
  UCD84273  Navarretia leucocephala subsp. bakeri Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC230376  Navarretia leucocephala subsp. bakeri Niall McCarten 1986-5-28 5260 Sonoma NE end of Shiloh Ranch, 0.25 mile S of N end of Leslie Road on E side of road Comment
  CAS-BOT-BC232688  Navarretia pubescens James McMurphy 1909-5-29 s.n. Sonoma Canyon near Geyserville Comment
  SEINET196703  Navarretia pubescens Herbert L. Mason 1940-5-21 12294 Sonoma Head of Mayacama Creek in Knights Valley. Comment
  UC1719857  Navarretia pubescens David Fruchter 1978-9-17 98 Sonoma Diamond D. Comment
  UCR30591  Navarretia squarrosa John C. Roos 1950-7-22 4878 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  SDSU3222  Navarretia squarrosa D. F. Howe 1962-7-28 3360 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  UCD48702  Navarretia squarrosa Frederica Bowcutt 1994-6-25 1915 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. Along Grey Pine Trail about 1/2 way between Brushy Peak Trail and Meadow Trail. 530 Comment
  JEPS70509  Navarretia viscidula W. L. Jepson 1921-6-2 9298 Sonoma w of Windsor Comment
  POM126456  Nemophila heterophylla H. P. Chandler 1907-4-27 7543 Sonoma Spring Mountain, beyond summit [no county listed]. Comment
  POM65317  Nemophila heterophylla Milo S. Baker 1898-1 692 Sonoma Santa Rosa. Comment
  UC67243  Nemophila heterophylla M. Baker May 1899 Sonoma near Laguna; near the Laguna Comment
Read comments
Feb 16 2007
  SEINET12345599  Nemophila menziesii F. H. Utech, Kawano, S.; Ohara, M. 1995-3-26 95 -59 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UC606952  Nemophila menziesii var. atomaria L. Constance 1938-4-24 2158 Sonoma mouth of small canyon 0.5 mi s Fort Ross; s of Fort Ross 91 Comment
  UC72013  Nemophila menziesii var. atomaria Milo S. Baker 1898-3-26 738 Sonoma near Melita; near Melita Comment
  UCD120243  Nemophila menziesii var. atomaria Caitlin Lewis; William Mutch 1993-4-17 3 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  POM126455  Nemophila menziesii var. menziesii H. P. Chandler 1907-4-28 7551 Sonoma Santa Rosa to Calistoga. Comment
  UCD120253  Nemophila menziesii var. menziesii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 70 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 381 Comment
  CAS-BOT-BC231190  Nemophila parviflora Alice Eastwood; John Thomas Howell 1940-5-5 7864 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC368029  Nemophila parviflora Greg de Nevers 1998-6-15 11284 Sonoma CYO Camp on Bohemian Highway. Comment
  UCD119926  Nemophila pedunculata Frederica Bowcutt 1994-5-1 1794 Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. S of Sonoma Creek about 125 yards 1/4 mile NW of confluence with Rattlesnake Creek, meadow in center of campground. Comment
  UC198885  Nepeta cataria V. King Chesnut Aug 1887 Sonoma Santa Rosa Comment
  UC25544  Nepeta cataria J. Burtt Davy Jul 1896 4134 Sonoma Russian River Comment
  CAS-BOT-BC157691  Nicotiana Peter Rubtzoff 1956-9-16 2928 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  CAS-BOT-BC157698  Nicotiana Peter Rubtzoff 1958-8-30 3939 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  CAS-BOT-BC164348  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, about 1 mile SE of Trenton Comment
  JEPS13900  Nicotiana acuminata var. multiflora W. L. Jepson 1914-9-19 6191 Sonoma Agua Caliente; Sonoma Valley 25 Comment
  UCR248360  Nicotiana acuminata var. multiflora Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UC1586101  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma ca 5 air mi s Cloverdale (point below Little Flat parking area w of bridge); Lake Sonoma 152 Comment
  UCD110217  Notholithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC400121  Nuphar polysepala Peter Rubtzoff 1951-7-8 417 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC400128  Nuphar polysepala Mary P. Wells 1984-8-9 434 Sonoma Sagpond near airstrip, Timber Ridge Road, The Sea Ranch Comment
  CAS-BOT-BC140455  Oemleria cerasiformis Alice S. M. McKenzie 1981-2-23 18 Sonoma Fort Ross Road about ... mi. above Calif. State Hwy. 1. Beside road near wide place at San Andreas fault; Coast between Russian and Gualala Rivers Comment
  SEINET12327554  Olea europaea W. Knight, Knight, I. 1984-1 5055 Sonoma Santa Rosa, Rincon Ridge, along Alta Vista Lane Comment
  CAS-BOT-BC499695  Orobanche californica subsp. californica Cecilia Zanelli 1925-9-1 s.n. Sonoma Plantation Comment
  RSA0069019  Orobanche californica subsp. jepsonii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  SEINET12319543  Orthocarpus erianthus Unknown 1980-1 17 Sonoma no further locality 61 Comment
  NY90845  Orthocarpus faucibarbatus var. albidus D. D. Keck 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth. Comment
  SD88310  Osmorhiza berteroi Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Pond. Comment
  UC21179  Osmorhiza berteroi F. T. Bioletti 1892-3-13 Sonoma Comment
  UC964740  Packera Herbert Mason 1934-4-28 8060 Sonoma Dohrman Creek Jensen's Ranch (head) Comment
  UCD160871  Packera greenei James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3422 Sonoma Mayacmas Mountains, adjacent to 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
  UCD165323  Panicum Peter Rubtzoff 1973-8-20 7232 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CHSC83174  Panicum acuminatum var. acuminatum Beecher Crampton 1964-8-18 7139 f Sonoma The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Banks along road to steam well. 493 Comment
  UCD88704  Panicum acuminatum var. fasciculatum Peter Kamb; Francia Chisaki 1950-6-16 1852 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. South end of marsh. Comment
  HSC83426  Panicum acuminatum var. fasciculatum Mary M. Hektner 1974-7-6 132 Sonoma Sea Ranch, near golf course. Comment
  UCD32827  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 e Sonoma N.E. Sonoma County: The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). South slope below steam well vent just below bubbling hat spring. 493 Comment
  UCD89123  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a. Sonoma Northeast Sonoma County: 'The Geysers'. Comment
  CAS-BOT-BC253771  Panicum capillare Catherine Best 1984-8-18 1039 Sonoma Near the pond on Stoetz Lane, about 3 miles NE of Occidental Comment
  JEPS30838  Parapholis incurva Rimo Bacigalupi and L. R. Heckard 1962-6-19 8594 Sonoma just above beach line on Bodega Harbor side Bodega Head (opposite spit of Doran Beach); Bodega Harbor side of Bodega Head, opposite Doran Beach Comment
  CAS-BOT-BC259692  Paspalum dilatatum Walter & Irja Knight; John Thomas Howell 1987-5-14 6386 Sonoma Llano Road near sewage treatment plant Comment
  CAS-BOT-BC265688  Paspalum distichum Peter Rubtzoff 1954-7-5 1536 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC265690  Paspalum distichum Peter Rubtzoff 1955-7-17 1973 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC202870  Paxistima myrsinites W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5452 Sonoma Cherry Creek Road, W of Cloverdale Comment
  CHSC22339  Pedicularis densiflora Robert A. Schlising 1962-3-31 2117 Sonoma California Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UC1239019  Pedicularis densiflora Freed W. Hoffman 1947-5-30 556 Sonoma Austin Creek; North Coast Ranges, Layton Mine Comment
  UCD137599  Pellaea andromedifolia Frederica Bowcutt 1996-3-24 2081 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 1/2 air mile SSE of Red Mtn., along Vista Trail. 563 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
  POM23403  Pellaea mucronata Anonymous 1893-03 12676 Sonoma Hoods Peak Comment
  SEINET5328497 Image available Penstemon heterophyllus W. Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, NE of Santa Rosa 61 Comment
  JEPS78831  Penstemon heterophyllus var. heterophyllus Edward Lee 1936-6-7 2199 Sonoma on the fire trail near Highpoint (Bohemian Grove); , near Highpoint Comment
  UC887072  Penstemon heterophyllus var. heterophyllus Alice Eastwood 1915-6-5 4611 Sonoma Petrified Forest Comment
  LA209546  Penstemon newberryi var. newberryi F. W. Embree; 1934-6-6 75 Sonoma 1 mi S, 0.25 mi W of Rutherford 1615 Comment
  UC35615  Pentachaeta exilis F. T. Bioletti 1892-1 Sonoma Comment
  CAS-BOT-BC71728  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1932-3-12 5761 Sonoma Fence row between Knight's Valley and Franz Valley Comment
  UC483302  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1932-3-12 5761 Sonoma fence row between Knight's Valley and Franz Valley Comment
  CAS-BOT-BC222747  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-9-25 5829 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  UC1287832  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-9-25 5829 Sonoma e Graton (betw. Occidental and Guerneville roads); Laguna de Santa Rosa Comment
  UC1518541  Perideridia gairdneri subsp. gairdneri Betty Lovell 1984-7-22 696 Sonoma 1000 ft ne Hwy 12 junc. with Frey Rd. (w of creek); Kenwood quad. Comment
  UCD127852  Perideridia kelloggii K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  CAS-BOT-BC368035  Persicaria amphibia Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC413651  Persicaria amphibia Peter Rubtzoff 1971-9-3 6701 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413658  Persicaria amphibia Peter Rubtzoff 1966-10-9 5835 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  CAS-BOT-BC413740  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC418912  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4540 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC418923  Persicaria hydropiperoides Peter Rubtzoff 1963-9-1 5248 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC419269  Persicaria maculosa Peter Rubtzoff 1954-7-27 1580 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419279  Persicaria maculosa Catherine Best 1981-8-22 s.n. Sonoma On Stoetz Lane, about 2 miles northeast of Occidental Comment
  UC35660  Petasites frigidus var. palmatus J. Burtt Davy March 1896 1639 Sonoma near Duncan's Mills Comment
  CAS-BOT-BC330277  Petasites frigidus var. palmatus Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5512 Sonoma 4.85 mi from end of Mill Creek Road. Comment
  JEPS18122  Petrorhagia nanteuilii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek (at base of The Butcher Knife); along secondary road following Big Austin Creek 182 Comment
  SD113327  Phacelia californica Darley F. Howe 1966-6-2 4261 Sonoma 0.5 mile south of Bodega Bay. Comment
  UC73702  Phacelia ciliata var. ciliata Milo S. Baker 1898-4-7 15 Sonoma Gualala River Comment
  UC1047018  Phacelia corymbosa L. R. Heckard and C. R. Bell 1951-6-12 154 Sonoma ridge above Pine Flat (reached by road from Alexander Valley to Middletown) Comment
  SJSU7530  Phacelia distans L. S. Rose 1965-4-4 65060 Sonoma 1 mi N of Sonoma 60 Comment
  UCR255879  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 Comment
  CAS-BOT-BC361355  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  SEINET5906166 Image available Phacelia distans L. S. Rose 1965-1 65021 Sonoma 1 mi N of Sonoma Comment
  JEPS83658  Phacelia egena R. Raiche 1987-5-20 70193 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, creek branch referred to locally as Azealea Creak. 280 Comment
  CHSC52635  Phacelia imbricata James Jokerst 1985-5-29 2386 Sonoma Near Cobb Mountain. 1126 Comment
  UC735109  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3051 Sonoma near Petrified Forest 60 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
  SEINET12347573  Phacelia imbricata F. H. Utech 1986-5-13 86 -106 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  RSA178039  Phacelia imbricata subsp. imbricata Robert F. Thorne 1965-4-20 34390 Sonoma Los Alamos Road, ca. one to two miles northeast of State Highway 12. Comment
  RSA428197  Phacelia ramosissima var. montereyensis E. A. Purer 1932-7-21 16262 Sonoma Bodega Bay. Comment
  CAS-BOT-BC331488  Phalaris Peter Rubtzoff 1972-6-11 6777 Sonoma Laguna, Chileno Valley. Comment
  RSA0023082  Phalaris Peter Rubtzoff, Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7839 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-BC265841  Phalaris arundinacea Peter Rubtzoff 1962-6-21 4943 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road, Sonoma County Marshes Comment
  CAS-BOT-BC259021  Phalaris californica Peter Rubtzoff 1962-6-1 4860 Sonoma Freestone Marsh Comment
  CAS-BOT-BC265913  Phalaris lemmonii David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road 1/2 mile west of junction of Arnold Drive Comment
  RSA129159  Phalaris paradoxa H. S. Yates 1937-6-5 6572 Sonoma 5 mi W. of Sonoma 91 Comment
  CAS-BOT-BC76528  Philadelphus lewisii John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54686 Sonoma Bouverie Audobon Perserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek 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
  RSA183404  Phoradendron densum Del Wiens 1960-6-14 2724 Sonoma Ca 4 miles SE of Monte Rio on road to Camp Meeker. Comment
  UCD102227  Phoradendron leucarpum subsp. tomentosum G. F. Hrusa; T. D. Wilfred 1995-12-3 12481 Sonoma Foote Ranch Property at NW base of Mt. St. Helena. Approx. 1/2 distance to summit along Ida Clayton Rd. 300 Comment
  CDA16372  Phyllospadix scouleri G. F. Hrusa 2000-11-13 15717 Sonoma Kortum trail head to Goat Rock. Comment
  UCD138370  Phyllospadix scouleri P. G. Connors 1993-6-6 316 Sonoma Bodega Head and Dunes. Horseshoe Cove. Comment
  RSA534576  Physocarpus capitatus Peter Rubtzoff 1957-4-28 3287 Sonoma Lower Salmon Creek marsh. Thicket on hillslope at the edge of the marsh. Comment
  CAS-BOT-BC173529  Picris echioides Peter Rubtzoff 1973-8-20 7221 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCR279635  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, northeast of Graton, c. 0.5 mile north of Guerneville [Rd.] 26 Comment
  CAS-BOT-BC173673  Picris echioides Peter Rubtzoff 1969-8-26 6152 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC176157  Picris echioides Peter Rubtzoff 1964-7-29 5447 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC78331  Pinus attenuata Peter H. Raven 1954-2-27 6430 Sonoma on north side of Hooker Creek, Hoods Peak Range 609 Comment
  CDA18781  Pinus attenuata G. F. Hrusa, R. Gross 2000-2-6 s.n. Sonoma North Coast Ranges; Mt. St. Helena, 1/4 mile N of Ida Clayton Rd Summit. 0 Comment
  SEINET10794535 Image available Pinus ponderosa var. ponderosa Henry N. Bolander 1864-4-27 Bolander s.n. Sonoma Near the geysers. Comment
  UC496428  Piperia candida Merle Randall 1930-6-7 Sonoma Cazadero Redwood Forest Comment
  JEPS128341  Piperia elongata Roger Raiche 2010-7-17 037 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCSC008261  Piperia elongata Randall Morgan 1989-1-1 1326 -P Sonoma Sugarloaf Ridge State Park Comment
  RSA0047139  Piptochaetium setosum Tina Fabula 1996-6-10 s.n. Sonoma Fort Ross State Park. 134 Comment
  CAS-BOT-BC157648  Plagiobothrys Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8582 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC376421  Plagiobothrys Greg de Nevers 1989-4-1 9056 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA785156  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCD166129  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166175  Plagiobothrys Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR279870  Plagiobothrys Peter Rubtzoff 1969-5-11 6040 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR279874  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  UCR279877  Plagiobothrys Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  CAS-BOT-BC154145  Plagiobothrys Peter Rubtzoff 1972-6-11 6780 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC154994  Plagiobothrys Peter Rubtzoff 1970-5-16 6218 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC166948  Plagiobothrys Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC492931  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain; NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds; sampling pool #1 43 Comment
  RSA620970  Plagiobothrys bracteatus Peter Rubtzoff 1955-5-7 1822 Sonoma Guerneville Marsh Comment
  RSA620969  Plagiobothrys bracteatus Peter Rubtzoff 1962-6-8 4889 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC228115  Plagiobothrys chorisianus John H. Thomas 1976-6-16 18256 Sonoma Southern part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  UC796670  Plagiobothrys nothofulvus Ira L. Wiggins 1949-4-30 12067 Sonoma 4 mi w Calistoga (just w of the county line) 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
  UCD35300  Plagiobothrys nothofulvus Beecher Crampton 1955-4-5 2414 Sonoma 2 miles southwest of Windsor. Comment
  CAS-BOT-BC368047  Plagiobothrys reticulatus var. reticulatus Greg de Nevers 1989-4-1 9070 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murrys Gate. 400 Comment
  UC79580  Plagiobothrys reticulatus var. rossianorum Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  RSA8527  Plagiobothrys stipitatus J. T. Howell 1933-4-1 10922 Sonoma Petaluma Comment
  UC1186483  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma w. edge Sonoma (s. of Sonoma Elementary School, housing development both sides of Hayes St.) Comment
  RSA151887  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma West edge of Sonoma. Both sides of Hayes St., south of Sonoma Elementary School. Comment
  CAS-BOT-BC258399  Plantago Peter Rubtzoff 1959-6-20 4143 Sonoma Willow Creek Marsh. Comment
  UCD124172  Plantago erecta Frederica Bowcutt 1994-6-21 1804 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. Along meadow trail approx. 1/4 mile from trailhead. South facing slope: 15 degrees. 396 Comment
  JEPS7135  Plantago lanceolata W. L. Jepson 1921-9-12 9479 Sonoma Alexander Valley 45 Comment
  RSA800874  Plantago subnuda Peter Rubtzoff 1954-8-9 1658 Sonoma Bodega Head Marsh Comment
  UC131904  Plectritis brachystemon Alice Eastwood 1900-5-8 Sonoma Knights Valley Comment
  SD88312  Plectritis ciliosa Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  UC416756  Plectritis ciliosa subsp. ciliosa Milo S. Baker 1898-3-26 691 Sonoma Hills near McDonald's Reservoir 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
  UC1533103  Pleuropogon californicus Rocky Thompson 1975-4-14 Sonoma ca 0.5 mi s, on Todd Rd Jct Todd Rd and Llano Rd Comment
  CAS-BOT-BC260979  Pleuropogon californicus var. californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  CAS-BOT-BC260969  Pleuropogon californicus var. californicus K. Wagnon 1939-5-11 191 Sonoma In sink east of Santa Rosa Fair Grounds 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
  UCD90181  Pleuropogon californicus var. californicus R. Tofsrud 1942-4-1 s.n. Sonoma 1/4 mile south of County Hospital. Comment
  RSA336123  Pleuropogon hooverianus Paul But 1974-4-6 P 3 Sonoma Along Bohemian Hwy at Freestone Flat Road, 0.5 mile from Freestone. Comment
  CAS-BOT-BC422342  Poa Peter Rubtzoff 1976-5-30 8560 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC422356  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC255058  Poa compressa Peter H. Raven 1950-4-23 1884 Sonoma Sobre Vista 152 Comment
  SD88567  Poa douglasii Darley F. Howe 1972-5-3 Sonoma Ocean bluff 16.4 miles north of Fort Ross Comment
  POM204984  Poa howellii A. H. Heller 1902-3-27 5168 Sonoma Western base of Mt. Hood Comment
  RSA63655  Poa howellii Milo S. Baker s.n. Sonoma Hood Mountain; above Gray Ranch 305 Comment
  UCD160974  Poa howellii James A. Neilson Jr. 1975-7-8 3409 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  CAS-BOT-BC255838  Poa kelloggii Mary P. Wells 1985-4-11 467 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  RSA227234  Poa pratensis Peter Rubtzoff 1960-6-8 4465 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC243248  Poa secunda subsp. secunda John Thomas Howell; et al. 1982-4-28 54668 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC244194  Poa trivialis Peter Rubtzoff 1962-5-25 4831 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road crossing Comment
  CAS-BOT-BC244201  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  RSA227230  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh. Comment
  UC573867  Poa unilateralis H. S. Yates 1934-4-3 3796 Sonoma near Bodega; Sebastopol Quadrangle Comment
  CAS-BOT-BC244264  Poa unilateralis Catherine Best 1984-5-11 935 Sonoma Above the ocean at Salt Point State Park Comment
  CAS-BOT-BC312677  Poaceae Peter Rubtzoff 1964-5-31 s.n. Sonoma Fitch Mountain Grove, near Healdsburg, along Russian River. Comment
  JEPS83492  Pogogyne douglasii subsp. parviflora Jack and Betty Guggolz 1986-5-22 871 Sonoma South of Shiloh Roas and east of Highway 101 Comment
  UC1002652  Polycarpon tetraphyllum Milo S. Baker and H. K. Wagnon 1954-7-1 12960 Sonoma Santa Rosa; sidewalk crevices in front of Hughes Garage 2nd St. Comment
  CAS-BOT-BC290616  Polygonum Peter Rubtzoff 1986-9-28 9751 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164373  Polygonum Peter Rubtzoff 1970-5-30 6246 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC164042  Polygonum arenastrum Peter Rubtzoff 1954-8-4 1650 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC414112  Polygonum aviculare subsp. aviculare Alice Eastwood 1921-5-8 10476 Sonoma Petaluma Comment
  RSA94327  Polygonum hydropiperoides Peter Rubtzoff 1951-7-1 349 Sonoma Margin of Creek at Hwy 12, SE of Forestville Comment
  CDA10946  Polypodium glycyrrhiza G. F. Hrusa, G. L. Stebbins 1994-3-28 11704 Sonoma North Coast Biodiversity Arena; Half-way to summit of grade immediately NW of Cazadero. 0 Comment
  UCD136877  Polypodium glycyrrhiza Frederica Bowcutt 1994-6-12 1875 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Canyon Trial along edge of Sonoma Creek just E of confluence wth Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  CAS-BOT-BC331490  Polypogon Peter Rubtzoff 1973-9-8 7303 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC232999  Polypogon australis Peter Rubtzoff 1959-6-6 4094 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC233194  Polypogon interruptus Peter Rubtzoff 1958-8-9 3855 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road Comment
  CAS-BOT-BC233225  Polypogon maritimus Peter Rubtzoff 1961-6-17 4628 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC237412  Polypogon monspeliensis Peter Rubtzoff 1963-7-27 5217 Sonoma Lower Salmon Creek Marsh Comment
  UC1023579  Polypogon monspeliensis Virginia Bufford 1936-5-19 257 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UC463112  Polypogon monspeliensis Milo S. Baker 1931-6-4 5235 Sonoma Griffin Ranch s Kenwood Comment
  UC50644  Polypogon monspeliensis A. B. Leckenby 1896-6-9 Sonoma Petaluma Comment
  UCR248766  Polypogon monspeliensis Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCD91339  Polypogon monspeliensis P. B. Kennedy 1920-6-16 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  CAS-BOT-BC237615  Polypogon viridis Peter Rubtzoff 1959-6-6 4102 Sonoma Willow Creek Marsh Comment
  JEPS97815  Polystichum dudleyi R. Raiche 1986-11-10 60590 Sonoma The Cedars; Headwaters of Austin Creek; N of Cazadero 182 Comment
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Oct 17 2013
  UCR222555  Polystichum munitum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16243 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC376364  Potamogeton Greg de Nevers 1992-6-8 10159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC274040  Potamogeton diversifolius Peter Rubtzoff 1964-7-14 5401 Sonoma Bennet Mountain Lake. Comment
  CAS-BOT-BC268095  Potamogeton nodosus Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC272847  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC453899  Potamogeton nodosus Greg de Nevers 1992-6-26 10188 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  UCR244635  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  RSA0005687  Potentilla hickmanii Milo S. Baker 1947-6-26 11831 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  CAS-BOT-BC141649  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fence of the Camp Ground, ca 1 1/2 mi. west of the town of Cunningham Comment
  UCD14312  Prosartes hookeri Jim Mosby 1984-4-15 3 Sonoma Salt Point, near Fort Ross. 15 Comment
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1
  RSA264716  Prunella vulgaris var. lanceolata Peter Rubtzoff 1974-8-5 7811 Sonoma Kenwood Marsh. Comment
  SFV17996  Prunella vulgaris var. lanceolata G. Beall 1998-6-22 s. n. Sonoma Cazadero, 59 Sylvia Drive at end of paved road. Near Austin Creek. 45 Comment
  CAS-BOT-BC159845  Prunus cerasifera Walter Knight; Irja Knight; Keith Wagnon 5065 Sonoma At jct of Sonoma Mt. Rd. and Bennett Valley Rd. ca. 1 mi west of Glen Ellen Comment
  CAS-BOT-BC356502  Pseudognaphalium beneolens F. G. Krauss 1893-10-4 s.n. Sonoma Krauss Ranch 5 mi. west of Calistoga Comment
  CAS-BOT-BC356499  Pseudognaphalium beneolens G. DeNevers 1981-7-25 1871 Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  CAS-BOT-BC356924  Pseudognaphalium californicum Walter Knight; Irja Knight 1963-9-1 258 Sonoma Sulphur Creek Rd - 1 mi from US 101 near Cloverdale Comment
  UCD159437  Pseudognaphalium stramineum D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 195 -1 Sonoma Abandoned volleyball court/field. Disturbed. 6 Comment
  CAS-BOT-BC361617  Pseudognaphalium stramineum Peter Rubtzoff 1951-8-18 620 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC80181  Pseudotsuga menziesii Irja Knight; Walter Knight 1963-9-15 291 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC80186  Pseudotsuga menziesii Herman Knoche 1919-11-24 Series A, No. 3091 1/2 Sonoma East of Santa Rosa Comment
  CAS-BOT-BC80187  Pseudotsuga menziesii J. W. Congdon 1880-3-1 s.n. Sonoma Santa Rosa Road Comment
  UCD166080  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UCR280128  Psilocarphus Peter Rubtzoff 1964-7-7 5389 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC210047  Psilocarphus Peter Rubtzoff 1971-6-5 6524 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC362072  Psilocarphus tenellus Alice Eastwood 1921-5-8 10466 Sonoma Petaluma Comment
  CHSC34599  Pteridium aquilinum var. pubescens Jeffrey D. Prouty 1979-4-12 211 Sonoma Ca. 7 mi n of Santa Rosa, e of Mark West Springs Rd. 243 Comment
  UCD100924  Pterostegia drymarioides Arlene Johnston 1977-5-11 83 Sonoma Bodega Bay. 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
  CDA11974  Quercus X morehus G. F. Hrusa, J. Pfeiffer 1995-9-23 12467 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.7 m. E of Hwy 12 on Cavedale Rd. Lower part of Island, below summit. Comment
  CAS-BOT-BC61628  Quercus agrifolia G. DeNevers 1981-4-4 663 Sonoma Along ridge N of Garrison Canyon. Pepperwood Ranch Comment
  CDA23774  Quercus agrifolia D. G. Kelch 2006-10-4 06 .497-C Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  POM166598  Quercus agrifolia A. A. Heller, H. E. Brown 1902-4-15 s.n. Sonoma Santa Rosa Creek Comment
  RSA94624  Quercus agrifolia Peter Rubtzoff 1951-8-19 639 Sonoma near Forestville. Pitkin marsh Comment
  SEINET8981498  Quercus agrifolia L. Fallon 1939-1-6 s.n. Sonoma Santa Rosa Comment
  RSA477129  Quercus durata Christopher Davidson 1977-6-20 6012 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  SEINET12030395  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5101 Sonoma 3.1 mi up Cavedale Rd from jct of State Rt #12 Comment
  CAS-BOT-BC94670  Quercus garryana L. R. Abrams 1916-7-4 5800 Sonoma Mark West Comment
  UC1196518  Quercus garryana Joseph P. Tracy 1930-11-30 9270 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  UCD46116  Quercus garryana var. garryana Jennifer Bury; Peggy Herzog 1993-5-8 278 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center, along Lower Bald Mountain Trail. In meadow, 100 feet above parking lot. 402 Comment
  CAS-BOT-BC105486  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles N of Sonoma 900 Comment
  OBI4985  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 mi N of Sonoma 274 Comment
  UC1281159  Quercus kelloggii H. E. McMinn 1938-9-5 5256 Sonoma Hood Mt. Range Comment
  UCD46737  Quercus kelloggii John M. Tucker 1952-9-20 2617 Sonoma California, Sonoma Co,; Voight Ranch, ca. 1.25 (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  UC72503  Quercus kelloggii Miss K. Jones 1904-8-1 Sonoma Mt. Olivet Comment
  CAS-BOT-BC62801  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Pitkin Marsh, near Forestville, Western branch of the Upper Marsh Comment
  CAS-BOT-BC62806  Quercus lobata W. R. Dudley 1895-2-23 s.n. Sonoma near Knight Valley Winery Comment
  CAS-BOT-BC62807  Quercus lobata Mary P. Wells 1984-4-20 188 Sonoma Ground of Friends House 684 Benicia Drive, Santa Rosa, Rincon Valley Comment
  UCD47654  Quercus wislizeni Neuns 1948-8-25 RHN 23 Sonoma Seven miles northeast of Annapolis, Section 19, T 11N, R 13W, Sonoma County. 548 Comment
  RSA0051271  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch, south end of valley. 91 Comment
  SD133985  Ranunculus aquatilis var. hispidulus Greg de Nevers 1987-2-28 8128 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 99 Comment
  UCR255731  Ranunculus aquatilis var. hispidulus Greg de Nevers 1998-4-28 11213 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC378951  Ranunculus arvensis Peter Rubtzoff; H. A. Froebe 1971-5-30 6490 Sonoma dry bed of vernal pool 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  POM118705  Ranunculus californicus Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma. Comment
Read comments
Jan 23 2011
  SEINET9334866  Ranunculus californicus John Nelson, Wnek, R. 2000-3-7 20939 Sonoma Coleman Beach Comment
  CAS-BOT-BC378676  Ranunculus californicus var. californicus A. A. Heller 1902-3-16 5078 Sonoma Near Trenton Comment
  JEPS55138  Ranunculus lobbii W. L. Jepson 1914-4-11 5085 Sonoma Sonoma Valley 35 Comment
  UCD96163  Ranunculus lobbii G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12030 Sonoma Lagunda de Santa Rosa, Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  UCR255746  Ranunculus lobbii Greg de Nevers 1998-4-28 11211 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  UC9461  Ranunculus lobbii J. Burtt Davy 1896-3-13 1659 Sonoma Cujadera Comment
  RSA534585  Ranunculus muricatus Peter Rubtzoff 1969-5-11 6033 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UCR242982  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  SD134015  Raphanus sativus Greg de Nevers 1986-12-17 8118 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 29 Comment
  UCD135429  Rhagadiolus stellatus Caitlin Lewis; William Mutch 1993-4-17 25 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 Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  SEINET12210981  Rhamnus californica W. Knight, Knight, I. 1984-1 5005 Sonoma Gualala Point Regional Park, in picnic area with grand firs and Douglas firs 11 Comment
  UC18564  Rhamnus californica subsp. californica Mrs. Newhall 1901-1 Sonoma Camp Meeker Comment
  UC73371  Rhamnus crocea Milo S. Baker 1898-4-23 26 Sonoma Santa Rosa Creek Canyon Comment
  RSA339385  Rhamnus tomentella subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE end of town of Healdsburg on Reservoir Hill. 122 Comment
  CDA21390  Rhododendron occidentale G. F. Hrusa 1989-5-21 7050 Sonoma North Coast Ranges; Austin Creek State Recreation Area. Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  UCD117936  Rhododendron occidentale Charles B. Heiser Jr. 1946-5-19 1750 Sonoma Vine Hill region, Pitkin Marsh. Comment
  CDA21337  Rhododendron occidentale var. occidentale G. F. Hrusa 1989-6-7 7177 Sonoma North Coast Ranges; Above Franz Valley School Rd. immed. W of Sonoma/Napa Co. line. 259 Comment
  CDA32769  Rhododendron occidentale var. occidentale G. F. Hrusa 1990-6-2 8062 Sonoma Outer North Coast Ranges; Skagg's Springs road from Stewart's Point, approx. 1 mile inland from Hwy 1. 91 Comment
  CAS-BOT-BC111862  Rhynchospora alba Milo S. Baker; John Thomas Howell 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog. Comment
  RSA90512  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh Comment
  RSA35297  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC168997  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1958-6-1 3700 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road Comment
  RSA0025037  Ribes divaricatum var. pubiflorum A. A. Heller, H. E. Brown 1902-3-12 5038 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  SEINET12216687  Ribes glutinosum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -150 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  UC75475  Ribes roezlii var. cruentum Milo S. Baker 1898-6-11 660 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC198925  Ribes roezlii var. cruentum Amy Heggie 1943-3-7 s.n. Sonoma Near Agua Caliente. Comment
  RSA0024608  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC209370  Ribes sanguineum var. glutinosum A. A. Heller; H. E. Brown 1902-3-21 5112 Sonoma Hills Southeast of Santa Rosa Comment
  RSA0019523  Ribes sanguineum var. glutinosum A. A. Heller, H. E. Brown 1902-3-21 5112 Sonoma Hills southeast of Santa Rosa Comment
  JEPS9657 Image available Ribes victoris W. L. Jepson 1893-5-5 13507 Sonoma Middletown Grade Mt. St. Helena; Middletown Grade, Mt. St. Helena Comment
  UC35868  Rigiopappus leptocladus F. T. Bioletti 1893-5-27 Sonoma Hood's Peak Comment
  CAS-BOT-BC376258  Rorippa Greg de Nevers 1992-5-5 10141 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 475 Comment
  CAS-BOT-BC74712  Rorippa curvisiliqua Peter Rubtzoff 1973-8-21 7251 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCR254884  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1973-8-25 7259 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC74848  Rorippa palustris var. palustris Peter Rubtzoff 1964-8-20 5470 Sonoma Near pond 1 mile southeast of Jenner (near junction of Hihgways 1 and 12). Comment
  CAS-BOT-BC152664  Rosa californica Peter Rubtzoff 1953-5-16 1369 Sonoma Vacation Beach, near Guerneville, bank of Russian River Comment
  CAS-BOT-BC152674  Rosa californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC12892  Rosa gymnocarpa unknown 1888-8-29 Sonoma below Guerneville; Russian River Comment
  CAS-BOT-BC262790  Rubus Peter Rubtzoff 1955-5-14 1853 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UCD166412  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UCD17812  Rubus leucodermis H. Olmo 8-10 May 1962 62 07 Sonoma California. Sonoma County: 7.4 miles from junction of road to Fort Ross, in Cazadero. Near entrance to Horseshoe Ranch. Comment
  CAS-BOT-BC158720  Rubus ulmifolius Walter Knight; Irja Knight; Keith Wagnon 1984-8-30 5064 Sonoma Between Enterprise Road and Cooper's Graove on Sonoma Mt. Road Comment
  UCD17809  Rubus ursinus H. Olmo 8-10 May 1962 62 05 Sonoma California. Sonoma County: Bridge 20-70 in Russian Gulch. Comment
  RSA783793  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  UCD166510  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC164402  Rumex Peter Rubtzoff 1959-6-20 4169 Sonoma Willow Creek Marsh. Comment
  RSA784601  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  RSA790986  Rumex Peter Rubtzoff 1958-7-19 3756 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC422234  Rumex acetosella Walter Knight; Irja Knight 1963-8-13 410 Sonoma Horseshoe Cove Comment
  UCD19485  Rumex acetosella Terry Reedy 1974-5-11 206 Sonoma Bodega Head, between road and freshwater marsh. 6 Comment
  RSA783835  Rumex fueginus Peter Rubtzoff 1963-10-5 5286 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  CAS-BOT-BC376429  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC433849  Rumex pulcher F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -155 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US hwy 101 on Geysers Road. 80 Comment
  UC450  Ruppia maritima J. Burtt Davy 1897-9-19 4034 Sonoma Petaluma Comment
  CAS-BOT-BC249308  Sagina Peter Rubtzoff 1955-5-14 1848 Sonoma Duncans Mills Marsh, along the eastern border. Comment
  CAS-BOT-BC445696  Sagittaria cuneata Peter Rubtzoff 1971-7-9 6594 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC445771  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC445778  Sagittaria latifolia Peter Rubtzoff 1955-9-25 2160 Sonoma Forestville Marsh. Comment
  CHSC20711  Salicornia virginica Robert A. Schlising; G. Keator 1963-7-27 2628 Sonoma California Coast Range. Salt marsh near entrance to Bodega Head, east side of Bodega Peninsula. Comment
  CAS-BOT-BC290595  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  CAS-BOT-BC290676  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  CAS-BOT-BC290713  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7353 Sonoma Kenwood Marsh. Comment
  UCD151195  Salix James A. Neilson Jr. 1974-7-10 2975 Sonoma Mayacmas Mountains, road to PG and E geothermal units 9 and 10. (Elevation estimated using topo map by label maker.) 975 Comment
  RSA0015574  Salix Peter Rubtzoff 1973-9-9 7313 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC126267  Salix X sepulcralis Peter Rubtzoff 1952-3-23 905 Sonoma Southern half of Lower Marsh Comment
  UC517942  Salix X sepulcralis W. A. Setchell 1934-3-17 Sonoma Valley Ford Rd. 6 mi. from Petaluma Comment
  RSA534502  Salix exigua Peter Rubtzoff 1957-5-26 3371 Sonoma Vacation Beach. Near Guerneville. Russian River. Comment
  CAS-BOT-BC107753  Salix hindsiana A. A. Heller 1902-4-18 5328 Sonoma Near Windsor on Russian River Comment
  UC453095  Salix lasiandra subsp. lasiandra W. A. Setchell 1925-7-25 14 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  UC726800  Salix lasiandra subsp. lasiandra A. A. Heller 1900-3-18 5098 Sonoma Santa Rosa Creek near Santa Rosa Comment
  CAS-BOT-BC128099  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma Pitkin Marsh, near Forestville, opening south of the Upper Marsh Comment
  CHSC116236  Salix lasiandra var. lasiandra Barbara Wilson 3015-09-23 18822 Sonoma 2800 4th St., Santa Rosa. 62 Comment
  CAS-BOT-BC107092  Salix lasiolepis Peter Rubtzoff; J. Eckenwalder 1973-10-3 7333 Sonoma along Salmon Creek 0.75 mi. northwest of Freestone Comment
  UC453102  Salix lasiolepis W. A. Setchell 1931-7-31 19 Sonoma Bodega Bay Comment
  UC482062  Salix lasiolepis Baker, Ball, Bracelin, and Crum 1931-5-9 345 Sonoma about 2 km e Bodega Bay (creek bed) Comment
  SEINET10396306  Salix lasiolepis A. A. Heller 1902-8-23 5096 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  UCD111595  Salix lasiolepis Frederica Bowcutt 1996-3-24 2073 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. Trail head for Lower Bald Mtn. Trail @ group campsite just west of Sonoma Creek. 381 Comment
  CAS-BOT-BC107348  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC126197  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  SBBG57976  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental, on Occidental grade Comment
  SD881  Salix scouleriana Baker, Ball, Bracelin, Crum 1931-5-9 342 Sonoma Two km east of Occidental, on Occidental Grade, arroyo bank Comment
  UC482054  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 343 Sonoma 2 km. e. Occidental (rd. from <Grayton> to Occidental, 1/2 way up last hill, on Occidental grade) Comment
  UC519397  Salix scouleriana Milo S. Baker 1933-4 Sonoma 3 mi. w. Sebastopol (along Santa Rosa-Bodega Hwy., at O'Farrell Hill); O'Farrell Hill Comment
  UC524791  Salix scouleriana W. A. Setchell 1934-7-10 8 Sonoma Ridge Hwy. above Fort Ross Comment
  UCD111843  Salix scouleriana Baker; Ball, Bracelin, and Crum 1931-5-9 342 Sonoma Two km. east of Occidental. Comment
  CAS-BOT-BC128912  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  UC482107  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 36 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC66174  Salix sitchensis A. A. Heller 1902-3 5044 Sonoma foot of Mt. Hood (Sonoma Creek); , Sonoma Creek 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-BC361369  Salvia sonomensis Greg de Nevers 1997-3-20 10924 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa In Oak Hill burn 400 Comment
  UC25743  Salvia sonomensis F. T. Bioletti 1893-5 Sonoma Hood's 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
  UCD158730  Sambucus nigra subsp. caerulea Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  UCSB15938  Sambucus nigra subsp. caerulea 1962-6-6 Sonoma Along State Highway 128, 0.9 mile northwest of U.S. Highway 101 at Cloverdale 106 Comment
  CAS-BOT-BC223347  Sanicula bipinnatifida G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  SEINET7042395  Sanicula bipinnatifida A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  SEINET12122193  Sanicula crassicaulis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -261 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CDA10850  Sanicula laciniata G. F. Hrusa, G. L. Stebbins 1994-4-8 11726 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  CHSC26274  Sanicula laciniata P. Kunst 1977-4-11 15 Sonoma 182 Comment
  JEPS128263  Sanicula laciniata Roger Raiche 2000-4-15 035 .00 Sonoma The Cedars. Laton Camp. Lower Russian River, Big Austin Creek watershed. Comment
  UCD112404  Sanicula laciniata Christopher Mallek 2008-5-2 HC1- 3 Sonoma Hooker Canyon. 590 Comment
  UCD166462  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Guerneville Marsh. Comment
  SD56670  Satureja douglasii D. F. Howe 1963-7-3 3589 Sonoma 20 mi. N of jnct. with #12 on #1 Comment
  JEPS79428  Saxifraga integrifolia Nancy Harrison 1980-3-14 Sonoma Sonoma Valley Park near Glen Ellen; Sonoma Valley Park Comment
  CAS-BOT-BC441178  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  POM117235  Saxifraga mertensiana Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC436885  Saxifraga mertensiana Milo S. Baker 1924-4-16 69 a Sonoma McDonald to Sea Highway Comment
  CAS-BOT-BC441182  Saxifraga mertensiana D. E. Breedlove 1976-3-27 39450 Sonoma Grassy slope above Dry Creek west of Warm springs dam Comment
  UCD65652  Schedonorus arundinaceus Gerry North 1993-4 35 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 lower camping area, 50 m east of foot bridge. 365 Comment
  CAS-BOT-BC283142  Schedonorus arundinaceus G. De Nevers 1981-6-20 1593 Sonoma Along Leslie Creek near confluence with Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC422370  Schedonorus arundinaceus Peter Rubtzoff 1962-5-25 4835 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC111438  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1960-6-25 4522 Sonoma Laguna de Santa Rosa northeast of Graton, ca 1/2 mi north of Guernebille Rd. crossing. Comment
  CAS-BOT-BC111397  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1951-7-7 383 Sonoma Eastern branch of the Upper Marsh in the open on damp ground. Comment
  CAS-BOT-BC111431  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1955-8-6 2017 Sonoma Bodega Head Marsh, open, wet ground. Comment
  CAS-BOT-BC111528  Schoenoplectus americanus Peter Rubtzoff 1972-8-26 6861 Sonoma Stony Point Marsh. Comment
  RSA0015641  Schoenoplectus maritimus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh. Comment
  UCD50152  Schoenoplectus pungens var. badius Mary M. Hektner 1976-8-26 267 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC111113  Scirpus microcarpus Peter Rubtzoff 1958-6-1 3692 Sonoma Laguna de Santa Rosa east of Cummingham (nr. Llamo Road). Comment
  UC70382  Scoliopus bigelovii Milo S. Baker 1898-4-3 Sonoma near Guerneville 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
  CAS-BOT-BC240035  Scribneria bolanderi John Thomas Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente Comment
  RSA0056562  Scrophularia Greg de Nevers 1995-12-3 10777 Sonoma Ida Clayton Road over Mt. St. Helena, 3 miles north of Highway 128. 182 Comment
  CAS-BOT-BC320546  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCR249344  Scrophularia californica Peter Rubtzoff 1958-8-23 3913 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  POM188459  Scrophularia californica Marcus E. Jones 1931-7-5 29063 Sonoma West of Cloverdale. Comment
  RSA0022396  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) Comment
  JEPS128280  Scutellaria antirrhinoides Roger Raiche 2005-4-22 017 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD160919  Scutellaria californica James A. Neilson Jr. 1975-7-8 3382 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  UC903699  Scutellaria tuberosa Milo S. Baker 1947-4-22 11695 Sonoma Hood Mountain, along trail towards cliffs Hood Mountain 243 Comment
  CAS-BOT-BC64095  Sedum radiatum subsp. radiatum C. F. Leitholdt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  UC615252  Sedum spathulifolium Beryl O. Schreiber 1934-5-16 1125 Sonoma near Healdsburg; near Healdsburg Comment
  UCD102068  Sedum spathulifolium Winifred Anderson 1966-5-7 21 Sonoma Pine Flat Road, 10 miles east of Healdsburg. 182 Comment
  CAS-BOT-BC366867  Selaginella wallacei Greg de Nevers 1998-4-21 11191 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's big rock in the NW 1/4 of Sec. 6 400 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
  OBI59736  Selaginella wallacei S. F. Blake 1927-8-28 10351 Sonoma Near Petrified Forest, near Santa Rosa Comment
  CAS-BOT-BC364678  Senecio vulgaris A. A. Heller; H. E. Brown 1902-3-16 5072 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC364679  Senecio vulgaris John H. Thomas 1976-6-15 18312 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC536018  Sequoia sempervirens W. A. Setchell and Victor Duran 1935-3-31 Sonoma Bohemian Grove near Monte Rio (crevices in stone steps leading to Owl Shrine); Bohemian Grove Comment
  POM21700  Sequoia sempervirens A. A. Heller, H. E. Brown 1902-3-16 5080 Sonoma Russian River, Near Trenton Comment
  SEINET10569493  Sequoia sempervirens R. D. Sage 1992-1-10 Sage 13413 Sonoma Collected along Joy Rd between Bodega Hwy and Bittner Rd, ca 2-6 km SW of Occidental. Comment
  CDA31828  Sesbania punicea C. Owens 2010-7-7 s.n. Sonoma In the vicinity of Santa Rosa on River Road. 0 Comment
  UCR255867  Setaria pumila Greg de Nevers 1996-9-22 10877 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD92851  Setaria viridis Freed W. Hoffman 1941-7-3 2221 Sonoma Near Guerneville. Comment
  CAS-BOT-BC213155  Sidalcea calycosa subsp. rhizomata George B. Snyder 1991-9-5 s.n. Sonoma Sea Ranch, 1/2 mile north of the lodge, between Hwy 1 and the ocean. Comment
  POM210232  Sidalcea diploscypha H. E. Parks, S. T. Parks 1930-05 625 Sonoma Head of Alexander Valley Comment
  UCD116808  Sidalcea malviflora M. Wiesendanger 1927-5-5 704 Sonoma Sonoma County. Comment
  POM118518  Sidalcea malviflora subsp. laciniata Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  UC1013006  Sidalcea malviflora subsp. purpurea C. L. Hitchcock 1952-6-4 19584 Sonoma one mi n Ft. Ross; n of Ft. Ross Comment
  CAS-BOT-BC213168  Sidalcea oregana subsp. valida Milo S. Baker 1932-8-15 6013 Sonoma Marshy road ditch just W. of Kenwood. Comment
  CAS-BOT-BC213171  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 196368 Sonoma Kenwood Marsh about 1/4 mile west of Kenwood. Comment
  RSA87253  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 s.n. Sonoma Kenwood Marsh about 1/4 mile west of Kenwood Comment
  CAS-BOT-BC361292  Silene Greg de Nevers 1993-5-16 10449 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Devil's Kitchen east of 3865 Franz Valley Road 457 Comment
  CAS-BOT-BC251242  Silene Peter Rubtzoff 1959-6-20 4168 Sonoma Willow Creek Marsh. Comment
  UC1137921  Silene californica H. S. Yates 1934-4-22 3863 Sonoma near Petrified Forest; Calistoga Quad., near Petrified Forest Comment
  UC640594  Silene californica Edward Lee 1936-6-8 2209 Sonoma North Ridge Fire Trail North Coast Range, Bohemian Grove (Monte Rio) (Bohemian Grove (Monte Rio)) Comment
  CAS-BOT-BC384437  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  CAS-BOT-BC392493  Silene gallica G. DeNevers 1981-4-30 891 Sonoma Pepperwood Ranch; W arm of Garrison Canyon, in chaparral. Comment
  CAS-BOT-BC392500  Silene gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53953 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngove on the west slope of Sonoma Mountain. 457 Comment
  RSA177901  Silene gallica R. F. Thorne 1965-4-20 34356 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  SEINET11935783  Silene gallica P. G. Connors 1991-1 Sonoma Bodega Marine Reserve 9 Comment
  CAS-BOT-BC389222  Silene laciniata subsp. californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Rd. 0.8 mi. E of junction with Harrison Grade Road Comment
  UC604116  Silene scouleri subsp. grandis Baker 1938-6-6 9026 Sonoma top of Bodega Rock Bodega Bay; North Bay Counties, , top of Bodega Rock Comment
  UCD135848  Silybum marianum Gerry North 1993-4 55 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Vista trail 1/2 mile NE of fork with Bald Mountain trail. Sugarloaf Ridge State Park. 556 Comment
  CHSC34405  Sisyrinchium bellum Jeffrey D. Prouty 1979-4-11 216 Sonoma CA. 7 mi. n of Santa Rosa. Mark West Springs Road, ca. 300 yards n of juct. with Michelle Way. 137 Comment
  SD130399  Sisyrinchium bellum F. Almeda, G. DeNevers 1981-3-30 4885 Sonoma Pepperwood Ranch, summit and east-facing slope of Three Tree Hill. Grassy slopes with scattered oaks. Comment
  UC72278  Smilacina stellata Milo S. Baker 1898-4-3 Sonoma bet. Guerneville and Cazadero Comment
  CAS-BOT-BC164707  Solanum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7845 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166973  Solanum Peter Rubtzoff 1958-9-20 3994 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 miles north Guerneville Road). 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
  RSA190696  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma On 1/2 acre of sandy loam in apple orchard, 1605 Laguna Rd., Sebastopol. Comment
  UCD126855  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma 1605 Laguna Road, Sebastopol. Comment
  CAS-BOT-BC157977  Solanum lycopersicum Peter Rubtzoff 1958-8-9 3838 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) Comment
  UC26216  Solanum xanti J. Burtt Davy Aug. 1896 4132 Sonoma Russian River Comment
  SEINET11808818  Solidago californica W. Knight, Knight, I.; Knight, T.; Edwards, S. W. 1985-1 6357 Sonoma Pine Flat Road 305 Comment
  CAS-BOT-BC365585  Solidago elongata Peter Rubtzoff 1951-9-16 750 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  SEINET11808075  Solidago occidentalis W. Knight, Wagnon, K. 1987-1 s.n. Sonoma Willow Brook on embankment between Corona Rd & Old Redwood Hwy 6 Comment
  CAS-BOT-BC365658  Solidago spathulata John Thomas Howell 1946-8-17 22866 Sonoma Cunningham Marsh 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-BC365964  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True 1981-5-14 54023 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  POM11812  Soliva sessilis Katherine Brandegee s.n. Sonoma Santa Rosa. Comment
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Dec 19 2015
  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
  UC1130589  Sparganium erectum subsp. stoloniferum H. S. Yates 1936-5-17 5634 Sonoma 2 mi ne Graton; Sebastopol Quad. 30 Comment
Read comments
Sep 25 2008
  CAS-BOT-BC258918  Spergula Peter Rubtzoff 1954-7-27 1576 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC390048  Spergula arvensis Barbara Stuart Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC251260  Spergularia Peter Rubtzoff 1954-7-3 1519 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  UCD99211  Spergularia macrotheca var. macrotheca P. G. Connors 1991-6-17 160 Sonoma Bodega Marine Laboratory. Comment
  CAS-BOT-BC390731  Spergularia rubra John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53938 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  SEINET11933746  Spergularia rubra W. Knight, Knight, I. 1984-1 5150 Sonoma along Petalnona Blvd. , S North Side between B and C streets 5 Comment
  SEINET11933368  Spergularia villosa W. Knight, Knight, I. 1984-1 5085 Sonoma near Gilardi's Resort, near Lakeville along Petaluma River Comment
  UCLA71594  Stachys ajugoides var. ajugoides C. Epling, Wm. Robison 1935-7-28 Sonoma Shellville Comment
  UCD158712  Stachys albens Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 0.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. 731 Comment
  UC884281  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  RSA227237  Stachys chamissonis Peter Rubtzoff 1962-8-22 5048 Sonoma Bodega Bay Marsh. Comment
  UCR222531  Stachys rigida var. quercetorum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16246 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC251306  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1932 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC251172  Stellaria media Peter Rubtzoff 1958-8-16 3883 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC251256  Stellaria media Peter Rubtzoff 1964-7-29 5437 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC371406  Stellaria nitens Greg de Nevers 1993-3-24 10333 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Weimar Canyon 457 Comment
  CAS-BOT-BC375317  Stephanomeria exigua subsp. coronaria G. DeNevers 1981-6-15 1555 Sonoma Pepperwood Ranch. Along road from Bald Hills to Franz Valley Creek Comment
  CAS-BOT-BC61158  Streptanthus barbiger R. D. Stone; G. Clifton 1983-6-16 549 Sonoma Along Burma (Kincaid) Road, headwaters of the Cobb Creek drainage. Ca. 0.4 mile southwest of Geyser Rock. 1005 Comment
  UCD161423  Streptanthus brachiatus James A. Neilson Jr. 1977-6-7 3903 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC10885  Streptanthus glandulosus subsp. glandulosus H. N. Bolander April 1864 3944 Sonoma at the Geysers Comment
  CAS-BOT-BC87234  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-4 6178 Sonoma Santa Rosa Canyon, north of Mount Hood. 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
  CAS-BOT-BC87303  Streptanthus glandulosus subsp. sonomensis Doreen Smith 2003-5-1 s.n. Sonoma Coleman Valley Road. South of the road. Comment
  JEPS128232  Streptanthus morrisonii Roger Raiche 2000-5-5 087 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD168068  Streptanthus morrisonii James Neilson 1981-5-28 4032 Sonoma Mayacmas Mountains, Shell Well Site B. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site B 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
  UC1292742  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-3-6 1053 Sonoma Gilliam Creek, tributary of East Austin Creek North Coast Ranges Comment
  UC1492805  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-6-30 3381 Sonoma along Gilliam Creek Gilliam Creek (a branch of East Austin Creek); North Coast Ranges, Gilliam Creek Comment
  UC1492806  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1949-8-19 2995 Sonoma near headwaters of Devil Creek (tributary of East Austin Creek); North Coast Ranges, The Island Comment
  UCD138358  Stuckenia pectinata E. D. Mathews 1931-9-8 s.n. Sonoma Exact location unknown. Comment
  CAS-BOT-BC258035  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  RSA799980  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  UCD166492  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC269710  Symphoricarpos mollis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54012 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  SD40154  Symphyotrichum ascendens Edith A. Purer 1932-7-24 4070 Sonoma Near Bodega Bay; roadside in Santa Rosa CaA'on. Comment
  UC1485932  Symphyotrichum lentum Charles Patterson 1980-9-13 Sonoma Hog Island (n tip) Hog Island Comment
  UC469052  Symphyotrichum subspicatum Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CDA3893  Teesdalia coronopifolia G. D. Barbe, Chas F. Quibell 1977-4-22 2253 a Sonoma Southwest of intersection of Fulton and Piner Roads, northwest of Santa Rosa. 0 Comment
  CAS-BOT-BC447461  Tellima grandiflora Mary P. Wells 1981-4-19 s.n. Sonoma Forest near So. fork Gualala River, The Sea Ranch Comment
  CDA27876  Thermopsis californica var. californica T. C. Fuller 1958-5-24 3993 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UCD108631  Thermopsis californica var. californica P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  HSC96004  Thermopsis californica var. californica Thomas W. Nelson, Jane Nelson 1981-5-3 6461 Sonoma 4809 Pressley Rd., 2 mi. N of junction with Roberts Rd. Comment
  CAS-BOT-BC66821  Thysanocarpus curvipes David D. Keck 1931-4-4 1098 Sonoma Santa Rosa Creek Canyon. 225 Comment
  CAS-BOT-BC66827  Thysanocarpus curvipes Ira L. Wiggins 1949-4-30 12069 A Sonoma 4 miles west of Calistoga. Comment
  CAS-BOT-BC66814  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  CAS-BOT-BC66819  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-4-14 5284 Sonoma Near Mark West Springs. Comment
  CAS-BOT-BC66826  Thysanocarpus curvipes Doris K. Kildale 1928-4-1 4399 Sonoma Top of grade just north of Cloverdale in Redwood Highway. Comment
  POM143752  Thysanocarpus curvipes var. curvipes A. A. Heller, H. E. Brown 1902-4-14 5287 Sonoma Near Mark West Springs Comment
  RSA0039329  Thysanocarpus curvipes var. curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  UC11048  Thysanocarpus radians Alice King Apr., 1897 Sonoma Healdsburg Comment
  RSA0049967  Thysanocarpus radians 1931-4-2 6041 Sonoma Boyes Springs. Comment
  UC903301  Tiarella trifoliata var. unifoliata Ethel Crum 1930-7-27 824 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  SD88503  Tofieldia glutinosa subsp. occidentalis Darley F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh. Comment
  JEPS86782  Torilis arvensis Jack and Betty Guggolz 1990-6-11 1060 Sonoma Cloverdale; 1123 Palomino Rd. Comment
  JEPS48378  Torreya californica Docia Patchett 1922-1-1 Sonoma Sonoma coast Comment
  CAS-BOT-BC169263  Toxicodendron diversilobum G. DeNevers 1981-4-18 738 Sonoma Pepperwood Ranch Comment
  SEINET12238544  Toxicodendron diversilobum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -266 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCR265093  Toxicoscordion fontanum Ann Howald, Christina Freeman 2015-4-13 3341 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, south shore, c. 300 feet north of intersection Pig Flat and Marsh trails 363 Comment
  UCD139858  Toxicoscordion fremontii P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  UC2025087  Toxicoscordion fremontii Fayla Schwartz 1991-3-23 162 Sonoma Grassy hillside, east side of Highway 1 (mile 50.59) near the Sea Ranch, just south of Black Point Beach. Comment
  OBI49194  Tragopogon porrifolius Sonoma 1935-5-13 9268 Sonoma 3 mi W Santa Rosa on Sebastopol rd Comment
  SD58366  Trichostema laxum Harry K. Roberts 1961-6-20 Sonoma Roadside and open areas at summit of Harrison Grade, north and east of Occidental. Comment
  UCD67622  Trichostema laxum D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  SEINET11995244  Trientalis latifolia F. H. Utech 1988-1 88 -207 Sonoma 6 mi W of Coleman Valley Road on Willow Creek Road, along Willow Creek 40 Comment
  CAS-BOT-BC166775  Trifolium Peter Rubtzoff 1974-4-17 7376 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173535  Trifolium Peter Rubtzoff 1974-6-2 7511 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173641  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7476 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784994  Trifolium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC166759  Trifolium Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  RSA784989  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784990  Trifolium Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784997  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCSC010634  Trifolium R. Morgan 2014-5-12 5637 c Sonoma Bodega Head Comment
  POM162076  Trifolium amoenum Joseph P. Tracy 1921-5-10 5548 Sonoma Near Petaluma Comment
  RSA32762  Trifolium amoenum A. A. Heller 1940-5-17 s.n. Sonoma Hwy 1, 2 miles west of Valley Ford Comment
  UCSC011163  Trifolium appendiculatum R. Morgan 2005-5-14 4423 D Sonoma Seed originally from one or two plants in Santa Rosa. Comment
  UC630839  Trifolium barbigerum P. B. Kennedy June, 1915 Sonoma Del Mar northern part of county Comment
  UC630863  Trifolium barbigerum P. B. Kennedy June, 1915 Sonoma Del Mar northern county Comment
  UCR119035  Trifolium barbigerum var. andrewsii Beecher Crampton 1955-4-5 2416 Sonoma Santa Rosa Area, 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road 91 Comment
  CAS-BOT-BC368054  Trifolium bifidum var. bifidum Greg de Nevers 1998-5-12 11251 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET12166393  Trifolium campestre H. K. Wagnon 1989-1 1891 Sonoma Jack London State Park Comment
  UC1541593  Trifolium ciliolatum H. E. and S. T. Parks 1930-5-9 602 Sonoma Knights Valley 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
  RSA54041  Trifolium depauperatum var. amplectens J. T. Howell 1948-4-18 24206 Sonoma Hills east of Agua Caliente. Comment
  LA205222  Trifolium depauperatum var. amplectens Milo S. Baker; 1934-3-27 7583 Sonoma Bennett Valley Road near Vernal Pool Comment
  POM21433  Trifolium gracilentum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-9 5242 Sonoma Three Miles South of Healdsburg. Comment
  UCD143708  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  UCD37563  Trifolium grayi Beecher Crampton 1955-4-5 2410 Sonoma 2 miles north of Trenton, Mark West Station Road. Comment
  UCD136316  Trifolium hirtum M. Rei Scampavia Evangelista 2012-5-19 7 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  SEINET12165543  Trifolium hirtum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -159 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  UCD165133  Trifolium hydrophilum Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  RSA120928  Trifolium incarnatum Milo S. Baker 1957-05 13175 Sonoma Santa Rosa. Hwy 101 near S. F. State College. Comment
  RSA97611  Trifolium incarnatum Elsie Z. Longrone 1954-4-21 s.n. Sonoma [Unspecified] Comment
  UC1096834  Trifolium incarnatum Milo S. Baker May 1957 13175 Sonoma near S. F. State College (n Santa Rosa, Hwy 101) Comment
  SEINET7067237  Trifolium macraei A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  SEINET9336961  Trifolium microdon Unknown 1967-5-15 7926 Sonoma Foothill slopes, serpentine soils. Comment
  JEPS128320  Trifolium obtusiflorum Roger Raiche 2000-6-2 129 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA0079934  Trifolium repens Greg de Nevers 1998-6-20 11289 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Rogers Apple Orchard. 100 Comment
  CDA28059  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa east of Sebastopol. 0 Comment
  UCD33092  Trifolium willdenovii Beecher Crampton 1966-5-10 7722 Sonoma Sonoma County, ca. 2 miles west of Fulton along River Road. Comment
  CAS-BOT-BC451945  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay 1 Comment
  UC75634  Trillium albidum Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC520844  Trillium albidum A. A. Heller; H. E. Brown 1902-3-12 5035 Sonoma Eastern Base of Mt. Hood Comment
  UCR5896  Trillium chloropetalum Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay region, Sebastopol, residence on 692 Sparks Road 73 Comment
  POM169931  Trillium chloropetalum var. chloropetalum A. A. Heller, H. E. Brown 1902-3-12 3175 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  SEINET10534311  Trillium ovatum David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20705 Sonoma 2 mi NW of Forestville on Hwy 116, Douglas Fir forest with some Oaks. Comment
  JEPS76913  Trillium ovatum subsp. ovatum Robert M. Lloyd 1963-2-24 2045 Sonoma abandoned picnic ground 0.5 mi. n. of Occidental on rd. to Camp Meeks 45 Comment
  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
  SEINET7075562  Triphysaria floribunda A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UC1334859  Triphysaria pusilla L. D. Thurman 1964-4-24 435 Sonoma on State Hwy #128, 15 mi nw Calistoga Comment
  UC1239031  Triphysaria versicolor subsp. faucibarbata Freed W. Hoffman 1947-4-7 1894 Sonoma Chalk Hill road; North Coast Ranges, Chalk Hill road Comment
  UC886476  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1938-5-14 15090 Sonoma just e Bodega 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
  RSA13530  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1930-5-9 631 Sonoma Knights Valley, Comment
  CAS-BOT-BC200101  Trisetum canescens G. DeNevers 1981-5-20 1231 Sonoma Leslie Creek and Mark West Creek 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-BC200114  Trisetum canescens Peter Rubtzoff 1953-5-17 1378 Sonoma Vacation Beach, near Guerneville Comment
  UC766848  Trisetum canescens R. F. Hoover 1941-5-14 5096 Sonoma sw of Occidental (near Joy District School) Comment
  UCD93497  Trisetum canescens Beecher Crampton 1955-6-17 2948 Sonoma 4.5 miles S of Cazadero. Comment
  UCR141951  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma North Coast Range, 3.3 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  CAS-BOT-BC522355  Triteleia hyacinthina Peter Rubtzoff 1961-6-17 4621 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC522369  Triteleia hyacinthina H. C. Cantelow 1935-4-14 751 Sonoma Unspecified Comment
  SEINET12044741  Triteleia hyacinthina Michener, Bioletti 1893-1 s.n. Sonoma Kenwood Comment
  JEPS58042  Triteleia laxa W. L. Jepson 1918-6-23 7661 Sonoma Petrified Forest Comment
  SEINET12050379  Triteleia laxa F. H. Utech 1988-1 88 -191 Sonoma Willow Creek marsh & adjoining meadows, ca 1.5 mi E of CA 1 on Willow Creek Road 10 Comment
  CAS-BOT-BC527974  Triteleia peduncularis Peter Rubtzoff 1951-6-9 168 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UCD93312  Triticum aestivum Frederica Bowcutt 1997-7-19 2188 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 1 air mile S of Red Mountain. Edge of service road just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC361283  Turritis glabra Greg de Nevers 1997-4-22 10952 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Above Bechtel House 400 Comment
  RSA94265  Typha latifolia Peter Rubtzoff 1951-8-4 572 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC208027  Ulex europaeus Mrs. H. C. Cantelow 1937-3-25 s.n. Sonoma North of Bodega Comment
  SDSU6675  Ulex europaeus D. F. Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on #1. Comment
Read comments
Feb 6 2013
  CAS-BOT-BC540808  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  UCD67497  Umbellularia californica D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. Quercus wislizenii and Quercus kelloggii woodland; northern slopes. 430 Comment
  CDA7733  Uropappus lindleyi D. G. Kelch 2007-5-13 7 .294 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC382823  Uropappus lindleyi K. L. Chambers 1978-4-29 4466 Sonoma Cloverdale to Fort Bragg road (Hwy. 128), 3.8 miles W of junction with Hwy. 101 at Cloverdale Comment
  CAS-BOT-BC403983  Urtica dioica subsp. gracilis Peter Rubtzoff 1959-6-6 4088 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC403992  Urtica dioica subsp. gracilis Rimo Bacigalupi 1926-4-30 1400 Sonoma Cazadero Comment
  CAS-BOT-BC404239  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-8-2 1624 Sonoma Duncans Mills Marsh Comment
  POM106025  Urtica dioica subsp. holosericea Marcus E. Jones 1882-7-17 3483 Sonoma Duncan's Mills. Comment
  UC848742  Urtica dioica subsp. holosericea Marcus E. Jones, A. M. 1882-7-17 3483 Sonoma Duncan Mills Comment
  CAS-BOT-BC404225  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-8-29 7279 Sonoma Sonoma Creek bottom near Auga [Agua] Caliente Road crossing west of Agua Caliente Comment
  CAS-BOT-BC391315  Vaccaria hispanica F. G. Krauss 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  CAS-BOT-BC193981  Vaccinium cespitosum Milo S. Baker 1940-1-1 9670 Sonoma Perry's Marsh, Gravenstein Highway Comment
  RSA471153  Vaccinium parvifolium Christopher Davidson 1977-6-20 6031 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC199472  Vaccinium parvifolium L. R. Abrams 1920-7-3 7595 Sonoma Gualala River Comment
  UCD95103  Vancouveria planipetala Rolf Y. Berg 1964-10-5 8096 Sonoma along Hwy. 12, Russian River Valley, 1 M. below sideroad to Occidental (1 M. NW. of Monte Rio.) Comment
  CAS-BOT-BC135764  Veratrum fimbriatum John H. Thomas 1976-6-15 18279 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CDA29821  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 a Sonoma North Coast Biodiversity Arena; Along Leslie Creek approx. 1/4 mi. above Mark West Springs road crossing. Sheet 3 of 3. Comment
  CAS-BOT-BC376308  Verbena Greg de Nevers 1992-7-25 10227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 304 Comment
  UCD160970  Verbena lasiostachys James A. Neilson Jr. 1975-7-8 3415 Sonoma Mayacmas Mountains. Socrates Mine Road, above summit [of road]. (Elevation and coordinates estimated by label maker.) 990 Comment
  JEPS39085  Verbena lasiostachys var. lasiostachys M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 238 Sonoma near Gurneville; Russian River Comment
  CDA31033  Verbena lasiostachys var. scabrida D. G. Kelch, Troy McGregor 2010-8-22 10 .35 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC157663  Veronica Peter Rubtzoff 1962-5-6 4809 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC157680  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC164398  Veronica Peter Rubtzoff 1966-6-5 5757 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UCD166503  Veronica Peter Rubtzoff 1960-5-20 4397 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads). Comment
  CAS-BOT-BC164399  Veronica Peter Rubtzoff 1970-4-19 6211 Sonoma Forest Hills, 5.5 mi. east of Guerneville at 9981 Old River Road. Comment
  CAS-BOT-BC269309  Veronica Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  CAS-BOT-BC176144  Veronica americana Peter Rubtzoff 1960-6-9 4482 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  UCD148335  Veronica americana Peter Rubtzoff 1954-8-13 1711 Sonoma Bodega Head Marsh. Comment
  RSA264766  Veronica anagallis-aquatica Peter Rubtzoff 1956-9-16 2920 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  UCD124755  Veronica persica Robert F. Thorne 1965-4-19 34269 Sonoma Titus Ranch at Valley Ford. 18 Comment
  UC1101486  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-1 1107 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  UCR255466  Veronica scutellata Ann Howald 2014-5-2 3002 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  CDA42011  Veronica scutellata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. 0 Comment
  POM312401  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-1 1107 Sonoma 2 miles east of Stewart's Pt on road to Geyserville. Comment
  CAS-BOT-BC257966  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh area. Comment
  RSA799984  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC540814  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh area. Comment
  RSA0045171  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along road to Weimar Flat. 100 Comment
  CAS-BOT-BC366881  Vicia lutea Greg de Nevers 1994-5-21 10524 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Between Mountain House and Al Cuneo's. 400 Comment
  UCSB22472  Vicia sativa subsp. nigra McCarthy, Sharon 1965-4-17 Sonoma In field west of 5th Street West, opposite Betancourt Street intersection, Sonoma 25 Comment
Read comments
Jul 28 2008
  RSA247451  Vicia tetrasperma Peter Rubtzoff 1968-7-13 5916 Sonoma Upper Salmon Creek Marsh. Comment
  CDA4385  Vicia tetrasperma T. C. Fuller 1966-6-2 14855 Sonoma West side of Highway 1 to Tomales, 1 mile southeast of Valley Ford. 0 Comment
  UCR198231  Vicia villosa Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .274 Sonoma Cavesdale Road 518 Comment
  HSC15288  Vicia villosa subsp. varia S. N. Wiemeyer 1962-4-13 14 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UC1763358  Viola adunca Milo S. Baker 1899-5-6 5506 Sonoma near Sebastopol Comment
  UC19264  Viola adunca J. Burtt Davy 1896-3-15 1676 Sonoma Fort Ross Comment
  CAS-BOT-BC270246  Viola adunca W. W. Carruth 1904-6-1 s.n. Sonoma Hills near Gualala Comment
  UCD110664  Viola adunca subsp. adunca Mary M. Hektner 1974-6-24 64 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD110667  Viola adunca subsp. adunca Jo Nixon 1951-3-24 5 Sonoma Along Highway 1, 5 miles N of Bodega Bay. Comment
  UC1763348  Viola douglasii Milo S. Baker 1920-1 5514 Sonoma Kenwood Comment
  CAS-BOT-BC536902  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  JEPS18183  Viola lobata subsp. integrifolia Rimo Bacigalupi with F. Chisaki and G. T. Robbins 1956-4-17 5588 Sonoma 1.4 mi w of Lake County Line (along Ida Clayton Road, 7.2 mi from its Kellogg Valley end) 762 Comment
  UC19294  Viola lobata subsp. lobata W. H. Brewer 1862-4-18 977 Sonoma summit of ridge 3 mi se of Sonoma Comment
  SDSU11390  Viola sempervirens D. F. Howe 1963-7-3 3590 Sonoma 20 miles north of junction with #12 on #1, under redwoods. Comment
  UC337768  Viola sempervirens unknown Mar. 1888 Sonoma Redwoods near Healdsburg Comment
  UC455410  Viola sempervirens I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  SEINET11996124  Viola sempervirens F. H. Utech 1988-1 88 -009 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  UC1784157  Viola sempervirens Milo S. Baker 1926-12-3 s.n. Sonoma Pocket Canyon Comment
  OBI65600  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
  SBBG40537  Viscum album L. S. Rose 1966-5-8 Sonoma ca. 1 mi from Sebastopol on Gravenstein Hwy N Comment
  POM117433  Vitis californica Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  POM136379  Vitis californica A. A. Heller 1902-6-24 5760 Sonoma Near Burke's Sanitarium Comment
  SJSU7518  Vitis californica L. S. Rose 1968-6-25 68115 Sonoma Rincon Ridge NE of Santa Rosa 121 Comment
  UCD58729  Vitis californica Eric Wada 2006-9-3 RR 4 Sonoma On Westside Road between Healdsburg and Guerneville. North bank of Russian River 18 Comment
  UCR248749  Vitis californica Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 miles east of Guerneville, along the Russian River 13 Comment
  CAS-BOT-BC203124  Vitis californica Walter Knight; Irja Knight 1963-9-1 134 Sonoma Along 1st stream up from County Dump on Pine Mt Rd NE of Cloverdale Comment
  RSA7624  Vitis californica Carl B. Wolf, B. D. Stark 1933-9-27 5512 Sonoma 5.8 mi NW of Kellogg on road to Geyserville. 91 Comment
  CAS-BOT-BC199825  Vulpia John H. Thomas 1976-6-16 18347 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC199909  Vulpia bromoides Peter Rubtzoff 1955-5-21 1878 Sonoma Ross Marsh Comment
  CAS-BOT-BC199916  Vulpia bromoides Peter Rubtzoff 1957-5-11 3346 Sonoma Occidental Marsh Comment
  JEPS71212  Vulpia bromoides Virginia Bufford 1932-9-23 573 Sonoma 4 mi sw Santa Rosa Comment
  UC1024737  Vulpia bromoides Leo Whitney 3043 a Sonoma Molino Comment
  SD112861  Vulpia microstachys var. pauciflora Darley F. Howe 1963-5-23 3530 Sonoma 4 miles north of Cloverdale on #128 334 Comment