Search Results — 2000 specimen records retrieved (1243 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC383910  Abronia latifolia Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma About 2.30 north of Bay Highway 1 near mouth of Salmon River Comment
  CAS-BOT-BC203227  Abutilon Peter Rubtzoff 1972-5-25 6754 Sonoma Laguna, Chileno Valley Comment
  SEINET12164294  Acacia dealbata W. Knight, Knight, I. 1984-1 5047 Sonoma 4.8 mi up Cavedale Road from Rt. 12 Comment
  UCR143597  Acaena novae-zelandiae G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC451111  Acaena pinnatifida var. californica Rimo Bacigalupi 1928-6-18 1903 Sonoma Beach at mouth of Salmon Creek; 2 miles north of Bodega Bay Comment
  UC70393  Acer macrophyllum Milo S. Baker April 1898 606 Sonoma Santa Rosa Creek Canyon Comment
  RSA129916  Acer negundo subsp. californicum Peter H. Raven 1950-4-6 1589 Sonoma Santa Rosa 152 Comment
  CAS-BOT-BC336945  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of the Upper Marsh Comment
  CAS-BOT-BC336946  Acer negundo var. californicum Peter Rubtzoff 1953-5-16 1363 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  UC1299196  Acer negundo var. californicum Freed W. Hoffman 1947-4-1 873 Sonoma bank of Russian River at Guerneville; North Coast Ranges, bank of Russian River Comment
  UC871945  Acer negundo var. californicum Martha Meagher 1947-3-22 98 Sonoma county road one-half mi w Freezeout Creek (across Russian River from Duncan's Mills); Russina River, w of Freezeout Creek Comment
  CAS-BOT-BC30080  Achillea millefolium Peter Rubtzoff 1951-6-16 250 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the upper marsh Comment
  JEPS47752  Achlys triphylla subsp. triphylla Alice Louise Griffin 1924-8-7 Sonoma Stewart's Point Comment
  CAS-BOT-BC166735  Achyrachaena mollis Peter Rubtzoff; H. A. Froebe 1971-5-30 6478 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166795  Achyrachaena mollis Peter Rubtzoff 1974-5-26 s.n. Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  JEPS128383  Acmispon americanus var. americanus Roger Raiche 2000-7-24 141 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  CHSC26307  Acmispon brachycarpus P. Kunst 1977-4-11 18 Sonoma 121 Comment
  JEPS128276  Acmispon brachycarpus Roger Raiche 2005-4-22 014 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD104032  Acmispon brachycarpus Frederica Bowcutt 1996-3-24 2084 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 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  UCD161298  Acmispon glaber James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3709 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-BC87  Acmispon gracilis Amos Arthur Heller 1902-6-24 5754 Sonoma Near Burke's Sanitarium Comment
  UCD104332  Acmispon parviflorus R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  UC635414  Actaea rubra H. L. Mason 1928-7-11 4891 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC30276  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  POM40150  Adenocaulon bicolor Marcus E. Jones 1903-4-18 s.n. Sonoma Duncans Mills Comment
  CAS-BOT-BC139921  Adenostoma fasciculatum Walter Knight; Irja Knight 1963-8-23 193 Sonoma Joost Ranch, Calistoga Rd. Comment
  SEINET11908934  Adenostoma fasciculatum W. Knight, Knight, I. 1981-1 3964 Sonoma 2.3 mi up Cavedale Road from jct of State Rt 12 Comment
  JEPS128362  Adiantum aleuticum Roger Raiche 2000-5-28 122 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  UC903198  Adiantum aleuticum Ethel Crum 1930-7-27 823 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  JEPS128359  Adiantum jordanii Roger Raiche 2000-3-11 003 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CDA36846  Agoseris grandiflora CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD158774  Agoseris grandiflora James A. Neilson Jr. 1974-6-1 3558 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UC891242  Agoseris grandiflora var. grandiflora Alice Eastwood 1921-5-8 10481 Sonoma Petaluma Comment
  JEPS128199  Agoseris heterophylla Roger Raiche 2000-5-4 069 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET7096764  Agoseris heterophylla A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley NAD27, 38? deg. 24' 31ao, -122?_ 37' 52ao (converted to WGS84 decimal degrees) UTM Zone 10, 532220mE, 4251005mN. Comment
  CAS-BOT-BC209998  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  RSA785906  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles east of Guerneville). Comment
  RSA129634  Agrostis H. S. Yates 1936-4-3 5574 Sonoma 1 mile NE of Petrified Forest. 305 Comment
  UCD51833  Agrostis blasdalei Beecher Crampton 1971-6-6 8718 Sonoma Sonoma Coast State Park; at Cramet. Comment
  UCR118992  Agrostis blasdalei Beecher Crampton 1957-7-11 4340 Sonoma Central Coast, 2.5 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1 61 Comment
  UCR119152  Agrostis californica Beecher Crampton 1957-7-11 4344 Sonoma Central Coast, 4.6 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1, Duncan's Point. Sandy slopes above bluffs. 30 Comment
  UCD51871  Agrostis capillaris Beecher Crampton 1957-7-22 4378 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CHSC100546  Agrostis densiflora Beecher Crampton 1957-7-11 4320 Sonoma 0.5 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51886  Agrostis densiflora Beecher Crampton 1957-7-11 4336 Sonoma Sonoma Coast State Park, 1.7 miles north of Salmon Creek. Comment
  UCD51975  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD51992  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north Salmon Creek. Comment
  CAS-BOT-BC126978  Agrostis exarata R. F. Hoover 1966-7-17 9415 Sonoma Sausal Creek north of Alexander Valley. Comment
  RSA129591  Agrostis exarata H. S. Yates 1937-5-31 6565 Sonoma 1 1/2 miles N.W. of Petrified Forest, Calistoga quadrangle 335 Comment
  UCD52413  Agrostis exarata Freed W. Hoffman 1944-5-30 2014 Sonoma Russian River, Guernewood Park. Comment
  UCD52126  Agrostis exarata Beecher Crampton 1956-6-26 3619 Sonoma about 8 miles northwest of Calistoga, State Hwy. 120. Comment
  UCD53506  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. 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
  UCD52239  Agrostis exarata var. pacifica Beecher Crampton 1955-7-15 2915 Sonoma 6 miles west of Forest Hill. Comment
  UC76872  Agrostis hallii Michener and Bioletti 1892-7-5 2256 a Sonoma Skaggs Springs Comment
  CAS-BOT-BC138857  Agrostis microphylla K. Wagnon 1939-5-11 190 Sonoma Vernal Pool in Bennett Valley. Comment
  UCD53048  Agrostis microphylla Beecher Crampton 1969-7-14 8494 Sonoma The Geysers, 12 miles (in direct line) east of Cloverdale. Comment
  CAS-BOT-BC139119  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CDA31307  Agrostis pallens D. G. Kelch, Ed Biffin 2010-5-3 10 .214 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD53234  Agrostis pallens P. B. Kennedy 1918-5-25 s.n. Sonoma Santa Rosa, Calistoga Road. 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
  RSA94090  Agrostis stolonifera J. T. Howell 1947-6-26 23302 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC176168  Aira caryophyllea Peter Rubtzoff 1974-5-18 7438 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC176185  Aira caryophyllea Peter Rubtzoff 1974-5-25 7459 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC138395  Aira caryophyllea var. capillaris G. DeNevers 1981-4-20 775 Sonoma Pepperwood Ranch. Pippindale farm. On bench between studio and the ridge top. Comment
  CAS-BOT-BC138396  Aira caryophyllea var. capillaris John Thomas Howell 1944-5-14 s.n. Sonoma Chileno Valley, southern Sonoma county. Comment
  CAS-BOT-BC138209  Aira caryophyllea var. caryophyllea G. DeNevers 1981-5-30 1377 Sonoma Pepperwood Ranch. On the shore of the Pippindale Pond, above the high water mark. Comment
  UCD137909  Alisma lanceolatum Ellen Dean 2006-6-28 3179 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  CAS-BOT-BC445343  Alisma lanceolatum Peter Rubtzoff 1959-9-13 4265 Sonoma Vacation Beach, near (2 mi. below) Guerneville. Comment
  RSA790062  Alisma lanceolatum Peter Rubtzoff 1976-5-30 8570 Sonoma Kenwood Marsh Comment
  SEINET3896060  Alisma lanceolatum Peter Rubtzoff 1954-8-2 1627 Sonoma Austin Creek Marsh.; 0 Comment
  CAS-BOT-BC445472  Alisma triviale Volney Rattan 1879-1-1 s.n. Sonoma Healdsburg Comment
  RSA94453  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  CAS-BOT-BC462392  Allium amplectens Greg de Nevers 1997-5-14 11000 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, Near Mt. House. 457 Comment
  CAS-BOT-BC462387  Allium amplectens R. C. Barneby 1954-4-30 11226 Sonoma S of Schellville 100 Comment
  UC1299627  Allium amplectens Freed W. Hoffman 1950-5-27 3242 Sonoma near Mirabel; North Coast Ranges, Roy Lytton Ranch Comment
  CDA31282  Allium dichlamydeum D. G. Kelch, Ed Biffin 2010-5-3 10 .197 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC469105  Allium dichlamydeum John H. Thomas 1976-6-15 18323 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC469106  Allium dichlamydeum L. R. Abrams 1920-7-3 7630 Sonoma near Stewart's Point Comment
  CHSC79062  Allium neapolitanum John B. Nelson 2000-3-7 20944 Sonoma Pacific Coast Range. W side of Guerneville on S edge of River Road (=US Hwy 116). 48 Comment
  RSA800596  Alnus rhombifolia Peter Rubtzoff 1960-9-14 4550 Sonoma Laguna de Santa Rosa, E of Graton, (between Occidental and Guerneville road) Comment
  RSA800598  Alnus rubra Peter Rubtzoff 1960-6-11 4504 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  UCD165117  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  CAS-BOT-BC138058  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-14 1835 Sonoma Ross Marsh. Comment
  CAS-BOT-BC137904  Alopecurus saccatus Peter Rubtzoff 1969-5-24 6066 Sonoma Vernal pool 6.5 miles northeast of Pengrove, on Lichan Road. 426 Comment
  CAS-BOT-BC44966  Ambrosia chamissonis Rimo Bacigalupi 1928-6-18 1899 Sonoma Mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  OBI33919  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  UCR5546  Ambrosia chamissonis Frank C. Vasek 1966-7-16 660716- 01 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  POM141359  Amelanchier pallida A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero. Comment
  RSA132435  Amelanchier pallida John H. Thomas 1955-5-22 5184 Sonoma Along St. Helena Road and West Creek, 1.2 miles W of Sonoma - Napa County line, 6 miles from St. Helena 457 Comment
  CAS-BOT-BC135672  Amelanchier utahensis John Thomas Howell 1930-6-8 5287 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC157697  Ammannia coccinea Peter Rubtzoff 1963-8-24 5238 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UCD166254  Ammannia robusta Peter Rubtzoff 1970-8-18 6307 Sonoma 5 miles north of Sears Point. 11 Comment
  SJSU9477  Amorpha californica W. G. Iltis 1981-5-24 Sonoma Hupel Ranch, Porter Cr Rd near Mark West Rd Comment
  CAS-BOT-BC177232  Amorpha californica var. napensis W. P. Vestal; A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor Comment
  CAS-BOT-BC222281  Amsinckia John Thomas Howell 1934-3-26 11787 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222284  Amsinckia John Thomas Howell 1934-3-26 11789 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222287  Amsinckia John Thomas Howell 1934-3-25 11776 Sonoma Lakeville Comment
  POM64472  Amsinckia spectabilis A. A. Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  UC1084537  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 -1 Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  UC725783  Amsinckia spectabilis A. A. Heller 1940-5-17 15629 Sonoma n of Bodega Bay Comment
  UCD117444  Anagallis arvensis Charles B. Heiser Jr. 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  SEINET11845329  Ancistrocarphus filagineus Unknown 1986-1 60049 Sonoma NW of Healsburg, Lake Sonoma area, Rockpile Road ridge, ca 1 mi N of bridge over lake 351 Comment
  CAS-BOT-BC137787  Andropogon virginicus var. virginicus John Thomas Howell; J. W. Stacy 1936-7-26 12671 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC137792  Andropogon virginicus var. virginicus R. D. Stone 1983-6-16 555 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage. 701 Comment
  CAS-BOT-BC221431  Angelica hendersonii Walter Knight; Irja Knight 1963-8-13 166 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC221434  Angelica hendersonii David D. Keck; J. Clausen 1935-7-15 3373 Sonoma 1 mi. north of Salmon Creek Comment
  OBI9030  Angelica hendersonii Tracey Call, Viola Call 1961-6-10 2071 Sonoma 1 mi north of the Kruse Rhododendron State Park Comment
  CDA38217  Angelica tomentosa T. C. Fuller 1957-9-24 406 -57 Sonoma Forestville. 0 Comment
  CAS-BOT-BC271523  Anisocarpus madioides Edw. L. Greene 1894-6-14 s.n. Sonoma Knight's Valley Comment
  RSA796687  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC102235  Anthemis cotula Clare R. Wheeler 1978-3-30 140 Sonoma pine Mt. Road. 4 mi. NE of Cloverdale. 548 Comment
  RSA796686  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guernerville Marsh. Comment
  UCD129053  Anthemis cotula Cathy Hendel 1974-7-25 s.n. Sonoma along fence line; Unit 35-C Owners Map, Sea Ranch, near Stae Highway 1. Comment
  UCD85350  Anthoxanthum occidentale M. S. Baker; Virginia Bufford 1936-4-1 245 Sonoma Junction Hwy 1 and road up Gualala. Comment
  CAS-BOT-BC137689  Anthoxanthum odoratum Peter Rubtzoff 1955-5-14 1849 Sonoma Duncans Mills Marsh. Around the eastern border of the Marsh. Comment
  OBI57154  Antirrhinum vexillocalyculatum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-5 24499 Sonoma Along east side of Bohemian Highway opposite Camp Meeker Comment
  JEPS83375  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 328 Sonoma just w Hacienda (along River Road, on n side of road); Guerneville Quad. (7.5', 1955) 24 Comment
  UCSB31778  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Townsend, J. 1977-5-30 Sonoma East side Old Cazadero Rd; 7 miles north-west of Guerneville 472 Comment
  CAS-BOT-BC237924  Antirrhinum virga W. W. Carruth 1901-6-1 s.n. Sonoma Near Cazadero Comment
  JEPS5285  Antirrhinum virga W. L. Jepson 1894-7-19 21300 Sonoma Mt. St. Helena Comment
  UC26385  Antirrhinum virga Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UC22905  Apocynum androsaemifolium F. T. Bioletti 1892-7-5 Sonoma s. Los Guilucos Comment
  RSA31667  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  UCD128212  Aralia californica Frederica Bowcutt 1994-6-24 1900 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 Vista Trail about between Headwaters Trail and Gray Pine Trail. 457 Comment
  SEINET5730634 Image available Arbutus menziesii Janet McIntosh 1966-1 23 Sonoma 2 miles north of Guerneville.; Guerneville 30 Comment
  RSA629204  Arctostaphylos Jon E. Keeley 1993-9-11 24783 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629227  Arctostaphylos Jon E. Keeley 1993-9-11 24772 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC526220  Arctostaphylos John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  UC1388323  Arctostaphylos X candidissima Freed W. Hoffman 1947-9-29 505 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  CAS-BOT-BC25323  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10893 Sonoma Graton-Occidental road. Comment
  UC1093999  Arctostaphylos bakeri Lewis S. Rose 1951-3-21 55031 Sonoma 2 mi ne Occidental (type locality) 213 Comment
  RSA240619  Arctostaphylos bakeri subsp. bakeri C. W. Tilforth, John Dourley 1973-7-18 909 Sonoma Graton Rd. 1 mi E of Occidental Comment
  RSA622725  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24766 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET11991947  Arctostaphylos canescens W. Knight, Knight, I. 1984-1 5062 Sonoma Alta Vista Lane, Rincon Ridge, Santa Rosa 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
  CAS-BOT-BC23890  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12895 Sonoma Rincon Ridge ne of Santa Rosa Comment
  POM367247  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1934-2-22 34030 Sonoma Rincon Ridge, 3 mi NE Santa Rosa Comment
  UC1120075  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 877 Sonoma s edge Rincon hills; Santa Rosa Quadrangle Comment
  UC876542  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1936-10 8622 Sonoma halfway to summit Rutherford-Glen Ellen Road Comment
  CAS-BOT-BC24976  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3856 Sonoma In a ditch along Vine Hill Road across from McConnell's place. Comment
  CAS-BOT-BC24982  Arctostaphylos densiflora Lewis S. Rose 1955-6-2 55062 Sonoma Junction of Vine Hill & School Roads, 10 mi. W of Santa Rosa. Type Locality. 45 Comment
  CAS-BOT-BC27250  Arctostaphylos densiflora Milo Samuel Baker 1928-4-18 5045 Sonoma Near Vine Hill School House Comment
  UC1120151  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 829 Sonoma Vine Hill Sebastapol Quadrangle Comment
  UC549449  Arctostaphylos densiflora J. E. Adams 1934-3-28 715 Sonoma Vine Hill School Sta. Rosa Comment
  UC909866  Arctostaphylos densiflora J. E. Adams 1934-3-28 713 Sonoma Vine Hill School Sta. Rosa Comment
  UCD50804  Arctostaphylos densiflora L. Whitney 1932-4-1 Sonoma Santa Rosa. Vine Hill. Comment
  RSA0003106  Arctostaphylos densiflora J. T. Howell 1933-4-2 10951 Sonoma 8 miles west of Santa Rosa Comment
  CDA11144  Arctostaphylos glandulosa G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11555 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
  SEINET11984884  Arctostaphylos glandulosa f. cushingiana R. Gankin, Hildreth, W. R. 1967-1 1077 Sonoma near Rocky Mountain, N of Guerneville Comment
  CAS-BOT-BC23278  Arctostaphylos glandulosa subsp. cushingiana H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  LA42169  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell; 1933-4-2 10941 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA631181  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24722 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24678  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight 1963-12-27 472 Sonoma Summit Pine Flat Road. Comment
  OBI14711  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1936-4-5 4375 Sonoma About 2 mi N of Occidental Comment
  CAS-BOT-BC39112  Arctostaphylos hispidula Roger Raiche 1984-1-14 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile road). 518 Comment
  CDA11230  Arctostaphylos manzanita G. F. Hrusa 1989-2-14 5822 Sonoma North Coast Biodiversity Arena; Austin Creek State Recreation Area. immediately S of drainage of Gilliam Creek. Comment
  RSA202114  Arctostaphylos manzanita Freed W. Hoffman 1948-04 2750 Sonoma Poole Ridge, near Guerneville. Comment
  SEINET11990964  Arctostaphylos manzanita Unknown 1983-1 30499 H Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990965  Arctostaphylos manzanita Unknown 1983-1 30475 Sonoma Morrison Ridge above Gilliam Creek, East Austin Creek State Recreation Area 274 Comment
  SEINET11996224  Arctostaphylos manzanita J. T. Vale, Wagnon, K. 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  SD108298  Arctostaphylos manzanita subsp. bakeri Stephen W. Edwards 1981-2-16 Sonoma Green Hill Road Comment
  CAS-BOT-BC38946  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 11760 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38655  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1937-4-11 12906 Sonoma M.S. Baker's place, sw. slope of Mt. Hood Comment
  CAS-BOT-BC38707  Arctostaphylos manzanita subsp. manzanita G. DeNevers 1981-3-14 524 Sonoma Pippindale farm, 7 mi. NE of Santa rosa, near Mark West lodge. At confluence of Mark West Creek and Leslie Creek. Comment
  CAS-BOT-BC38714  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CHSC83180  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. South of Sonoma Creek along Hillside Trail. 396 Comment
  POM209912  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma Residence of M.S. Baker, at west base of Mt. Hood. Comment
  UC549421  Arctostaphylos nummularia J. E. Adams 1934-3-28 741 Sonoma s McNamees Store Comment
  UC549524  Arctostaphylos nummularia J. E. Adams 1934-6-9 830 Sonoma coastal bluffs near McNamees Store Comment
  SBBG28819  Arctostaphylos patula H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, N of Santa Rosa Comment
  CAS-BOT-BC43876  Arctostaphylos stanfordiana Philip V. Wells 1990-12-16 121690 Sonoma Rincon Ridge: north of Montecito Avenue 213 Comment
  CAS-BOT-BC43882  Arctostaphylos stanfordiana John Thomas Howell 1933-4-2 10950 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC47335  Arctostaphylos stanfordiana J. Clausen 1933-3-25 722 Sonoma About 4 mi. e. of Warfield on road to Oakville. 213 Comment
  CAS-BOT-BC47338  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 20301 H Sonoma King Ridge Rd. (4.5 mi. from King Ridge Rd. on Old Layton Mine Rd.), about 0.7 mi. in from King Ridge Rd. on old Layton Comment
  CAS-BOT-BC47340  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa. Comment
  CAS-BOT-BC47350  Arctostaphylos stanfordiana A. A. Heller; H. E. Brown 1902-3-27 5171 Sonoma Western base of Mt. Hood. From type region. Comment
  LA42281  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  UC1043525  Arctostaphylos stanfordiana P. C. Everett and E. K. Balls 1954-10-20 20376 Sonoma 4 mi sw from Lake-Sonoma Co. line (nw to w slopes of Mt. St. Helena) 640 Comment
  UCR74384  Arctostaphylos stanfordiana G. Fred Hrusa 1989-1-24 5805 Sonoma Along Ida Clayton Rd. on NW slope of Mt. St. Helena Comment
  SEINET11989085  Arctostaphylos stanfordiana Unknown 1982-1 20301 F Sonoma King Ridge Rd (4.5 mi N of jct Ft Ross Rd) about 0.7 mi in from King Ridge Rd on Old Layton Mine Rd Comment
  UC725948  Arctostaphylos stanfordiana A. A. Heller 1942-3-15 16394 Sonoma just ne Santa Rosa; Rincon Ridge Comment
  JEPS83503  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz 1986-2-9 843 Sonoma just inside conservation easement at end of Bluesage Court; Southridge Development Comment
  JEPS98847  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  POM210078  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  SBBG28529  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mtn Rd, ca. 8 mjiles E of Santa Rosa Comment
  RSA517038  Arctostaphylos stanfordiana subsp. stanfordiana Jack Guggolz, Betty Guggolz 1986-2-9 844 Sonoma North of Guerneville Road and west of Frei Road. Comment
  RSA339402  Arctostaphylos stanfordiana var. repens Roger Raiche 1985-11-23 50895 Sonoma W side of Dry Cr Valley, Bradford Mt 371 Comment
  SEINET11990978  Arctostaphylos uva-ursi Unknown 1983-1 30488 Sonoma Horseshoe Point, near Kruse Rhodendron State Reserve Comment
  UCD52446  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek, Sonoma County. Comment
  SEINET11987147  Arctostaphylos viscida S. W. Edwards 1981-1 s.n. Sonoma near upper end of Los Alamos Rd, near entrance to Hood Mountain County Park Comment
  CAS-BOT-BC47463  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight; Tiffany Knight; Dr. Steve Edwards 1985-7-21 5211 Sonoma Red Hill just off Pine Flat Road. 670 Comment
  CAS-BOT-BC47469  Arctostaphylos viscida subsp. viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ridge, north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek. Comment
  UC1518542  Aristida ternipes var. hamulosa Barbara Malloch Leitner 1984-8-10 Sonoma 1/2 mi n Socrates Mine Rd. (ca 1 mi e of Big Sulphur Creek); Little Geysers Comment
  CAS-BOT-BC400487  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi. east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road Comment
  SD99366  Aristolochia californica Christopher Davidson 1977-6-17 5975 Sonoma Sate Hwy #12, ca. 3 miles west of Guerneville, along Russian River. 14 Comment
Read comments
Mar 18 2012
  UC543758  Aristolochia californica M. Stason and L. Roush 1926-2-28 Sonoma Hoods Peak Comment
  SEINET9291368  Armeria maritima Unknown 1994-5-25 Sonoma Bodega Head Comment
  UCSB50231  Armeria maritima subsp. californica Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  CAS-BOT-BC82560  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  RSA0065159  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC172576  Artemisia Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC175851  Artemisia douglasiana Peter Rubtzoff 1955-10-12 2164 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC400609  Asarum caudatum A. A. Heller; H. E. Brown 1902-3-22 5129 Sonoma West of Sebastopol Comment
  UC6177  Asarum caudatum Dr. Lorini Jun 1896 Sonoma Mount St. Helena Comment
  JEPS101708  Asclepias solanoana Dean W. Taylor 1997-5-7 15985 Sonoma The Cedars, headwaters Austin Creek 563 Comment
  UC1195651  Asclepias solanoana A. R. Kruckeberg 1949-6-4 1762 Sonoma ca 4 mi above Pine Flat (sw of Cobb Mtn.) Comment
  CAS-BOT-BC478543  Asparagus officinalis Walter Knight; Irja Knight 1961-8-26 4726 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC68781  Aspidotis densa D. E. Breedlove 1980-6-28 44806 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA164631  Aspidotis densa P. C. Everett 1963-11-21 24565 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  UCD67616  Aspidotis densa 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
  UCD137288  Aspidotis densa Frederica Bowcutt 1994-7-5 1939 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon about 1/4 air mile N of Sonoma Creek and W of Bear Creek road cut along dirt road at intersection wih Goodspeed Trail. 326 Comment
  CAS-BOT-BC66006  Athyrium filix-femina Mary P. Wells 1984-7-21 387 Sonoma The Hot Spot (by the Gualala River South Fork) The Sea Ranch Comment
  CAS-BOT-BC66010  Athyrium filix-femina Greg de Nevers 1996-9-1 10870 Sonoma Ida Clayton Road over Mt. St. Helena 914 Comment
  RSA94287  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  UC71465  Athyrium filix-femina var. cyclosorum J. Burtt Davy 1896-7-22 4145 Sonoma Russian River Comment
  UCD136300  Athyrium filix-femina var. cyclosorum Mary M. Hektner 1976-12-15 282 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC290670  Atriplex Peter Rubtzoff 1958-9-6 3974 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC290689  Atriplex Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh. Comment
  UCR248508  Atriplex prostrata Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) 20 Comment
  CAS-BOT-BC146139  Avena barbata John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53952 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-BC146141  Avena barbata G. DeNevers 1981-5-9 1018 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead. Comment
  UCD56217  Avena barbata B. Crampton 1955-3-15 2326 Sonoma U.S. Hwy. 101. Asti. Comment
  CAS-BOT-BC145718  Avena fatua Walter Knight; Irja Knight 1964-2-16 528 Sonoma Mill Creek Road. Comment
  UCD166116  Avena fatua Peter Rubtzoff 1972-5-25 6766 Sonoma Laguna, Chileno Valley. Comment
  UCD72386  Avena fatua Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1790 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. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence with Rattlesnake Creek. 350 Comment
  RSA800041  Avena fatua Peter Rubtzoff 1975-6-4 8040 Sonoma U.C. Blodgett Forest Research Station: County Road, 0.6 mi E of Main Station entrance. 1351 Comment
Read comments
Nov 3 2014
  CAS-BOT-BC68343  Azolla filiculoides Peter Rubtzoff 1955-4-30 1812 Sonoma Forestville Marsh Comment
  HSC5131  Baccharis salicifolia P. J. Zinke 1950-4-25 117 Sonoma 2 miles S. of Cloverdale 152 Comment
  RSA796694  Barbarea Peter Rubtzoff 1989-3-13 9981 Sonoma Near Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16692  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  CAS-BOT-BC320536  Beckmannia Peter Rubtzoff 1970-6-14 6263 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC145827  Beckmannia syzigachne Peter Rubtzoff 1960-6-25 4513 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville roads. Comment
  CAS-BOT-BC145845  Beckmannia syzigachne Peter Rubtzoff 1961-5-24 4599 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC145846  Beckmannia syzigachne Peter Rubtzoff 1962-6-13 4914 Sonoma Americano Creek area. Just south of Bloomfield. Comment
  JEPS75075  Beckmannia syzigachne Edward Lee 1934-4-30 744 Sonoma 1 mi w. 2 Rock junction Comment
  CHSC8136  Bellis perennis K. Henegar 1969-5-10 99 Sonoma 200 yds S of Schooner Gulch on Highway 1. 3 1/2 m S of Point Arena. 67 Comment
  CAS-BOT-BC75775  Berberis pinnata A. A. Heller; H. E. Brown 1902-4-11 5257 Sonoma Bodega Bay. Comment
  RSA800149  Blennosperma bakeri Peter Rubtzoff, Nancy Harrison, Walter Lennon 1974-5-11 7391 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC100248  Blennosperma bakeri Lewis S. Rose 1949-3-27 49015 Sonoma Type locality. Western outskirts of Sonoma in hog wallow about 0.25 mile south of Napa St. Comment
  RSA128567  Blennosperma nanum Peter H. Raven 1954-2-27 6421 Sonoma Cavedale Road, ca. 3 miles north of Boyes Springs, Sonoma Valley. Comment
  JEPS7752  Blennosperma nanum var. nanum Peter H. Raven 1954-2-27 6421 Sonoma 3 mi n, Cavedale Road Boyes Springs; Sonoma Valley Comment
  CAS-BOT-BC105959  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma Between Warfield and Kenwood, along the highway. Comment
  UC353927  Blennosperma nanum var. nanum Milo S. Baker 1928-3-24 2617 b Sonoma near, along Pacific Hiway Windsor Comment
  UC518979  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma between Warfield and Kenwood, along highway Warfield Comment
  CAS-BOT-BC154867  Boisduvalia Peter Rubtzoff; Nancy Harrison 1974-6-8 7579 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road Comment
  CAS-BOT-BC154957  Boisduvalia densiflora Peter Rubtzoff 1962-6-19 4919 Sonoma Occidental Marsh Comment
  CAS-BOT-BC154870  Boisduvalia densiflora Peter Rubtzoff 1968-8-31 5948 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville. Comment
  CAS-BOT-BC154875  Boisduvalia densiflora Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove on Lichan Road 426 Comment
  POM32026  Boisduvalia densiflora var. densiflora A. A. Heller 1902-6-4 5640 Sonoma Santa Rosa. Comment
  CAS-BOT-BC75494  Bolboschoenus maritimus subsp. paludosus Walter Knight; Irja Knight 1984-8-26 5426 Sonoma Willow Creek Road. 60 Comment
  CAS-BOT-BC31352  Bolboschoenus robustus Herbert L. Mason; Verne Grant 1946-8-28 13076 B Sonoma Mouth of Tolay Creek. Comment
  RSA723660  Brassica rapa R. R. Halse 1987-2-22 3374 Sonoma Along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  CAS-BOT-BC154992  Brassicaceae Peter Rubtzoff 1969-6-22 6100 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road Comment
  CAS-BOT-BC182745  Brassicaceae Peter Rubtzoff 1969-6-15 6097 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  CAS-BOT-BC100475  Brickellia californica Greg de Nevers 1996-10-20 10890 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC100476  Brickellia californica Greg de Nevers 1987-7-10 8232 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd., Santa Rosa, along Franz Creek 400 Comment
  CAS-BOT-BC376281  Brickellia californica Greg de Nevers 1992-6-26 10189 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  OBI35095  Briza maxima David J. Keil 1983-6-30 17213 Sonoma Stillwater Cove Regional Park Comment
  RSA32189  Briza maxima I. L. Wiggins, Roxana S. Ferris 1943-4-30 10165 Sonoma Roadside 1/2 mile south of Asti, Along Highway 101. Comment
  UCD36535  Briza maxima Beecher Crampton 1954-4-26 1792 Sonoma Sonoma County, 2 miles north Geyserville, along U.S. Highway 101. Comment
  UCD57139  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 Sonoma Vine Hill, W of Santa Rosa Comment
  UCD57170  Briza maxima N. F. Sommer 1954-5-15 82 Sonoma Along State Highway 12. 3.1 miles north of Freestone. 30 Comment
  UCSC000040  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 2 miles SE o fForestville - Sebastopol 30 Comment
  SEINET11689512  Briza maxima F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -265 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC145289  Briza minor John Thomas Howell 1935-5-5 12607 Sonoma Kenwood. Comment
  POM204989  Briza minor Michiner, Bioletti 1893-06 s.n. Sonoma Kenwood Comment
  RSA239699  Briza minor Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1097 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UC796668  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma 4 mi w Calistoga (just w of county line) Comment
  UCD57431  Briza minor Hursh 1919-5-12 X 3251 Sonoma Santa Rosa. Comment
  SEINET11689513  Briza minor F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -245 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET12049904  Brodiaea californica subsp. leptandra Unknown 1985-1 50553 Sonoma W side of Dry Cr. Valley, W of town of Dry Creek, unnamed ridge N of Crane Creek & S of Bradford Mt. 162 Comment
  SEINET180834  Brodiaea capitata E. Tucker Sonoma Camp Meekee. Comment
  UC768624  Brodiaea elegans subsp. elegans R. F. Hoover 1938-6-14 3606 Sonoma 2 mi se Healdsburg Comment
  CAS-BOT-BC482892  Brodiaea elegans subsp. elegans Alice Eastwood 1915-6-5 4600 Sonoma Petrified Forest Comment
  CAS-BOT-BC484400  Brodiaea elegans subsp. elegans Peter Rubtzoff 1958-7-5 3731 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC486535  Brodiaea elegans subsp. elegans Peter Rubtzoff 1952-6-10 1226 Sonoma Top of Fitch Mountain, near Healdsburg 304 Comment
  CAS-BOT-BC486536  Brodiaea elegans subsp. elegans Peter Rubtzoff 1968-6-20 5898 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road Comment
  SEINET10534050  Brodiaea hyacinthina P. Rubtzoff 1969-5-24 Rubtzoff 6057 Sonoma Vernal pool area 6.5 miles northeast of Penngrove, on Lichau Road; ca 1400 feet. Open, moist to wet ground. Comment
  UC1442870  Brodiaea leptandra Theodore F. Niehaus 1966-5-4 679 Sonoma 2.6 mi w Napa/Sonoma Co. line (on Springs Mtn Rd) Comment
  SEINET7096771  Brodiaea stellaris A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  SEINET9636479 Image available Brodiaea stellaris Fred W. Hoffman 1947-5-18 541 Sonoma ca. 2 miles east of Occidental. Comment
  UC119909  Brodiaea terrestris subsp. terrestris Katharine Brandegee 1905-6-8 Sonoma between Santa Rosa Sebastopol Comment
  UC3336  Brodiaea terrestris subsp. terrestris Harley P. Chandler 1900-5-25 672 Sonoma Bodega Comment
  CAS-BOT-BC486473  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1951-6-2 85 Sonoma Uppermost part of the northern branch of the Upper Marsh, near the edge of the thickett Comment
  UC463105  Brodiaea terrestris subsp. terrestris Milo S. Baker 1927-5-20 2148 b Sonoma Santa Rosa to Sebastopol highway (where concrete begins to the s) Comment
  UC37742  Bromus arizonicus H. N. Bolander 1860-1 Sonoma Mark West Creek Comment
  CAS-BOT-BC149492  Bromus arvensis Greg de Nevers 1987-6-1 8188 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  RSA155475  Bromus carinatus L. S. Rose 1962-4-18 62024 Sonoma 1 mile NW of Freestone. 76 Comment
  UC1010989  Bromus carinatus var. carinatus Virginia Bufford 1936-5-19 263 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UCSC000041  Bromus carinatus var. carinatus Charisse Bickford 1979-5-14 s.n. Sonoma 2 miles E. of Mark West Springs - Calistoga Comment
  SD88313  Bromus commutatus D. F. Howe 1972-5-2 4817 Sonoma Duncan Mills Pond; trail above pond Comment
  UCD36635  Bromus commutatus Beecher Crampton 1955-6-8 2829 Sonoma Sonoma County, 6 miles northwest of Calistoga, along State Highway 128. Comment
  UCD58826  Bromus hordeaceus Beecher Crampton 1957-7-11 4304 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. 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
  CAS-BOT-BC162393  Bromus laevipes David L. Morgan 1956-6-10 s.n. Sonoma On the Bennett Valley Road, in Crane Canyon, 1 mile east of the junction of the Petaluma-Hill Road. Comment
  JEPS128348  Bromus madritensis subsp. rubens Roger Raiche 2000-4-8 029 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD37570  Bromus racemosus Beecher Crampton 1955-4-5 2419 Sonoma 3 miles northwest of Cotati, Laguna de Santa Rosa, Llano Road. Comment
  CAS-BOT-BC161703  Bromus rubens A. A. Heller 1902-4-4 5216 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC161583  Bromus sterilis John Thomas Howell 1967-6-17 42598 Sonoma Confluence of Galloway and Dry Creeks. 182 Comment
  UCR141958  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma North Coast Range, 1.6 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  SD38261  Cakile edentula var. edentula Edith A. Purer 1932-7-21 4040 Sonoma Bodega Bay Comment
  CAS-BOT-BC185410  Calamagrostis bolanderi Mary P. Wells 1983-8-3 151 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  CAS-BOT-BC185128  Calamagrostis nutkaensis John Thomas Howell 1945-5-30 20901 Sonoma Pitkin Marsh. Comment
  RSA0065162  Calandrinia breweri Greg de Nevers 1997-4-24 10970 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC438612  Calandrinia ciliata Clare R. Wheeler 1978-3-30 138 Sonoma Pine Mt. Road - 4 miles (6.4 km.) NE of Cloverdale 548 Comment
  UCD144659  Calandrinia ciliata Frederica Bowcutt 1996-3-24 2080 Sonoma 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. About 1/2 air miles S of Red Mtn, along Vista Trail. 563 Comment
  CAS-BOT-BC273245  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma Along highway just east of Shellville Comment
  CAS-BOT-BC273246  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma Along highway just east of Shellville Comment
  RSA99617  Calendula arvensis J. T. Howell 1954-4-1 29138 Sonoma Just east of Shellville. Comment
  SEINET11845325  Calendula arvensis W. Knight, Knight, I. 1990-1 6576 Sonoma 1.2 mi S of Warm Springs Rd (Kenwood) Comment
  UCD129656  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma east of Shellville. Comment
  CAS-BOT-BC290710  Callitriche heterophylla Peter Rubtzoff 1967-5-21 5843 Sonoma Guerneville Marsh. Comment
  UC17852  Callitriche trochlearis J. Burtt Davy 1896-3-14 1665 Sonoma Cazadero Comment
  JEPS61622  Calochortus amabilis W. L. Jepson 1923-6-28 10010 Sonoma Kenwood Sonoma Canyon 243 Comment
  UCD151097  Calochortus amabilis James A. Neilson Jr. 1973-6-3 3431 Sonoma Mayacmas Mountains. The Geysers. Site I. In Geyser Canyon. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCR218647  Calochortus amabilis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16212 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC483272  Calochortus amabilis Saichi Kawahara 1968-4-20 328 Sonoma Oak-Trinity Road, 1 mile northeast of Highway 12 152 Comment
  POM210092  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 605 Sonoma Alexander Valley. Comment
  SBBG57657  Calochortus amabilis H. E. and S. T. Parks 1930-5-9 605 Sonoma Alexander Valley Comment
  CAS-BOT-BC492643  Calochortus luteus Carl Purdy No date on label. s.n. Sonoma Sonoma Co Comment
  UCD161318  Calochortus superbus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3716 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  CAS-BOT-BC132638  Calochortus uniflorus Rimo Bacigalupi 1926-3-27 1249 Sonoma Meadow opposite Myrtledale Geyser, 1 1/2 miles north of Calistoga Comment
  CAS-BOT-BC132640  Calochortus uniflorus Mrs. H. C. Cantelow 1939-4-8 s.n. Sonoma South of Shellville Comment
  JEPS86753  Calycadenia pauciflora Jack and Betty Guggolz 1990-6-22 1074 Sonoma n side of Ida Clayton Road, 2.15 mi from Hwy 128 438 Comment
  CAS-BOT-BC270843  Calycadenia pauciflora Gerald D. Carr 1972-3-20 688 Sonoma 2.0 miles N of Highway 128 on Ida Clayton Road 487 Comment
  UCD129825  Calycadenia pauciflora Gerald D. Carr 1972-3-20 687 Sonoma 1.0 mile west of Westside Road on Mill Creek Road, 2.5 miles southwest of Healdsburg, south-facing serpentine slope. 106 Comment
  CDA31327  Calycadenia truncata D. G. Kelch 2006-10-4 6 .498 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  UCR255699  Calycadenia truncata Peter Rubtzoff 1966-8-3 5779 Sonoma North Coast Range, going up Bennett Mountain from Lawndale to Bennett Mountain Lake 305 Comment
  RSA456158  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  UCD137933  Calycanthus occidentalis Collector Unknown Date Unknown s.n. Sonoma north-eastern part of county. Comment
  JEPS64304  Calypso bulbosa Herman and King 1919-4-15 Sonoma Camp Meeker Comment
  RSA177994  Calypso bulbosa Robert F. Thorne 1965-4-19 34297 Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  POM320595  Calypso bulbosa Lynne Hayden 1970-4-4 67 Sonoma Armstrong Redwood State Park Russian River, Rich loam, Redwood forest Comment
  UCSB50245  Calystegia occidentalis Gray, John 1976-5-1 Sonoma Bluff above Blind Beach, 1/2 mile west of Highway 1; T7N R11W 60 Comment
  JEPS111396  Calystegia purpurata subsp. purpurata Jack and Betty Guggolz 1997-6-23 1533 Sonoma North side of Kelly Road from one mile to two miles west of the Rockpile Road crossing 550 Comment
  UCD125696  Calystegia purpurata subsp. purpurata Frederica Bowcutt 1994-7-5 1932 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 70 ft. S of Campfire Center, N and E of campground. 381 Comment
  SD225766  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach; on to of small sea headland by path down to beach 14 Comment
  UC72485  Camassia quamash subsp. quamash Milo S. Baker 1897-4-5 Sonoma Coast Road Comment
  RSA186553  Camissonia ovata Peter H. Raven 1963-4-28 18250 Sonoma Town of Bodega Bay Comment
  UCR6060  Camissonia ovata Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay Region, Hwy 116, 5 mi. south of Sonoma 305 Comment
  HSC16503  Camissonia ovata F. Demostene 1966-4-3 14 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC160370  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Walter Knight; Irja Knight 1963-8-13 160 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC160364  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma Between town of Bodega Bay and Bodega Head Comment
  UCD103523  Camissoniopsis cheiranthifolia subsp. cheiranthifolia David C. Fruchtenicht 1965-5-1 54 Sonoma Marine Biological Station, Horseshoe Cove, Bodega Head. 6 Comment
  SEINET10872993  Campanula californica Howell 1945-8-14 Howell 21402 Sonoma Perry Marsh Comment
  SEINET10905987  Campanula californica P. Rubtzoff 1951-6-30 Rubtzoff 299 Sonoma Pitkin Marsh, near Forestville, western branch of Upper Marsh, in a marshy opening Comment
  RSA135458  Campanula prenanthoides Volney Rattan 1877 Sonoma Guerneville. Comment
  UC34817  Campanula prenanthoides W. C. Blasdale 1896-7-18 Sonoma Cozadero Comment
  UC456047  Campanula prenanthoides I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  SEINET10462844  Campanula prenanthoides Frederic T. Bioletti 1892-7-5 Bioletti s.n. Sonoma SHAGG'S SPRINGS Comment
  SEINET10463218  Campanula prenanthoides Rattan 1877-6-14 RATTAN s.n. Sonoma Guerneville Comment
  SEINET10972386  Campanula prenanthoides Condit 1908-8-13 CONDIT s.n. Sonoma GUERNEVILLE Comment
  RSA790010  Capsella bursa-pastoris Peter Rubtzoff 1958-8-9 3841 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). 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
  JEPS119398  Cardamine californica J. Greenhouse with R. Raiche, H. Bartosh, J. Game 2012-2-4 5143 Sonoma The Cedars. Comment
  CAS-BOT-BC37772  Cardamine californica Mrs. H. C. Cantelow 1937-3-25 s.n. Sonoma Near Valley Ford. Comment
  UC1084357  Cardamine californica var. integrifolia G. Thomas Robbins 1937-3-26 16 Sonoma along highway to Sebastopol just w Wright School; w of Wright School Comment
  CAS-BOT-BC38028  Cardamine oligosperma Peter Rubtzoff 1957-5-4 3309 Sonoma Duncans Mills Marsh. At the border of the upper part of the marsh. Comment
  CAS-BOT-BC38035  Cardamine oligosperma A. A. Heller; H. E. Brown 1902-3-14 5053 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC38038  Cardamine oligosperma Mary P. Wells 1989-3-28 976 Sonoma By cement path to Friends House from 637 Bambi Lane, Rincon Valley, Santa Rosa. Comment
  CAS-BOT-BC38040  Cardamine oligosperma D. E. Breedlove 1983-4-11 58692 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  UC727778  Cardamine oligosperma Milo S. Baker Apr. 1946 11309 Sonoma Brookside Garden near Kenwood; Brookside Garden near Kenwood Comment
  CAS-BOT-BC173833  Carduus Peter Rubtzoff 1976-5-30 8569 Sonoma Kenwood Marsh. Comment
  CDA16161  Carduus pycnocephalus G. F. Hrusa, R. Gross 1999-6-12 15074 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  RSA790301  Carduus pycnocephalus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  UCD159445  Carduus pycnocephalus subsp. pycnocephalus D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 202 Sonoma Near Sonoma state beach hiking trail. Abundant. 40 Comment
  CAS-BOT-BC281794  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  CAS-BOT-BC312704  Carex Peter Rubtzoff 1976-5-30 8558 Sonoma Kenwood Marsh. Comment
  UCR255708  Carex abrupta Peter Rubtzoff 1957-5-4 3307 Sonoma Duncan Mills Marsh 2 Comment
  UCD140074  Carex amplifolia Frederica Bowcutt 1994-7-5 1934 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground, just N of bridge to campfire center. 381 Comment
  CAS-BOT-BC18144  Carex athrostachya Peter Rubtzoff 1958-7-5 3743 Sonoma Atascadero Creek Marsh. Comment
  UC590014  Carex athrostachya H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School 91 Comment
  UCR208538  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton [Rd.], south of Woolsey Road Comment
  UCD112444  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC19370  Carex barbarae G. DeNevers 1981-6-20 1613 Sonoma Pepperwood Ranch. Along Leslie Creek. Comment
  RSA0031405  Carex barbarae Peter Rubtzoff 1974-6-2 7512 Sonoma Upper Green Valley Marsh. Comment
  RSA0015629  Carex barbarae Peter Rubtzoff 1975-7-3 8152 Sonoma Kenwood Marsh. Comment
  UC70634  Carex bolanderi Bioletti 1893-6-5 Sonoma South Los Guilucos Valley Comment
  CAS-BOT-BC110183  Carex buxbaumii Peter Rubtzoff 1951-6-7 129 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  RSA94278  Carex cusickii Peter Rubtzoff 1951-7-14 434 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC20481  Carex densa John Thomas Howell 1930-6-8 5235 Sonoma 3 miles east of Valley Ford. Comment
  UC590029  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi ne Petrified Forest; Calistoga Quadrangle 304 Comment
  UCR258147  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh 72 Comment
  CAS-BOT-BC20242  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  CAS-BOT-BC20504  Carex densa Peter Rubtzoff 1958-7-19 3776 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastapol. Comment
  CAS-BOT-BC20517  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  CDA11316  Carex dudleyi G. F. Hrusa, A. Buckman, R. Gross 1995-4-1 12031 Sonoma North Coast Biodiversity Arena; LAGUNA DE SANTA ROSA. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Moist upper margins of pools. Comment
  CAS-BOT-BC20137  Carex feta Peter Rubtzoff 1952-1-1 1093 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  SEINET7558589 Image available Carex feta Alice Eastwood, John Thomas Howell 1936-5-19 2525 Sonoma Near Asti. Comment
  CAS-BOT-BC20447  Carex globosa Roxana S. Ferris; Laura Lorraine 1961-6-15 13556 Sonoma Green Valley Road 0.8 mile E of junction with Harrison Grade Road. Comment
  UCD140351  Carex globosa Frederica Bowcutt 1994-5-1 1760 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 2.5 air miles NE Kenwood and 18 air miles NW of Napa. Adobe Canyon along Goodspeed Trail about 200 yards from just E of Bear Creek about 5 yards N of confluence with Sonoma Creek about 40 yards. Comment
  CAS-BOT-BC28366  Carex gracilior Peter Rubtzoff 1954-7-5 1543 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC28375  Carex gracilior John Thomas Howell 1947-6-5 23238 Sonoma Cunningham Marsh. Comment
  UC854  Carex gracilior H. N. Bolander April 1864 3822 Sonoma meadow Cloverdale; Cloverdale, Sonoma Co. Comment
  UC857  Carex gracilior H. N. Bolander April 1864 3814 Sonoma near Mark West Creek Comment
  UCD112361  Carex gracilior Peter Rubtzoff 1955-4-30 1794 Sonoma Stony Point Marsh. Comment
  UC70632  Carex gynodynama J. Burtt Davy July 1896 Sonoma between Russian River Station and Guerneville (n side of river, in an overflow pool); Russian River Comment
  CAS-BOT-BC249298  Carex harfordii Peter Rubtzoff 1960-5-16 4350 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC320573  Carex harfordii Peter Rubtzoff 1962-6-1 4861 Sonoma Freestone Marsh. Comment
  SEINET7561245 Image available Carex harfordii Andrew L. Hipp, Glen C. Clifton 1999-5-27 349 Sonoma Marsh opposite entrance to Doran Beach Park, Bodega Harbor Marsh. 15 Comment
  SEINET10647589  Carex hookeriana A. Arthur Heller 1902-4-17 Heller 5324 Sonoma Santa Rosa. Comment
  UCR254774  Carex laevicaulis Peter Rubtzoff 1951-9-2 724 A Sonoma Pitkin Marsh, near Forestville 47 Comment
  CAS-BOT-BC31171  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  UCR248945  Carex leporina Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  UCR249079  Carex leptopoda Peter Rubtzoff, Nancy Harrison 1974-7-13 7680 Sonoma Upper Green Valley Marsh Comment
  UCR249080  Carex leptopoda Peter Rubtzoff 1964-6-24 5374 Sonoma Lower Salmon Creek Marsh 6 Comment
  JEPS128344  Carex mendocinensis Roger Raiche 2000-4-8 022 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128382  Carex mendocinensis Roger Raiche 2000-5-5 082 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC119732  Carex nebrascensis John Thomas Howell 1947-6-26 23309 Sonoma Cunningham Marsh Comment
  UC1508  Carex nudata H. N. Bolander Apr 1864 3812 Sonoma Mark West Creek Comment
  UCD140690  Carex nudata Beecher Crampton 1956-4-24 3311 Sonoma 7.5 miles northwest of Calistoga. Comment
  CAS-BOT-BC290546  Carex obnupta Peter Rubtzoff 1964-7-29 5445 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC119310  Carex obnupta Mary P. Wells 1981-8-2 s.n. Sonoma S end of Timber Ridge Road, The Sea Ranch. Comment
  CAS-BOT-BC119278  Carex ovalis Peter Rubtzoff 1951-6-17 265 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC119287  Carex ovalis John Thomas Howell 1947-6-5 23240 Sonoma Cunningham Marsh. Comment
  RSA107439  Carex ovalis L. S. Rose 1955-6-2 55060 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  RSA0022347  Carex pachystachya Peter Rubtzoff 1975-7-3 8151 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC118942  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC118329  Carex praegracilis John Thomas Howell 1947-6-26 23295 Sonoma Cunningham Marsh Comment
  UCD161822  Carex serratodens James A. Neilson Jr. 1975-5-23 3205 Sonoma Abril property, Truit Creek at Big Sulphur Creek. (Exact location unkown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC117675  Carex serratodens Gregory Clark de Nevers 1982-2-27 1922 Sonoma Pepperwood Ranch, near the barn at Pepperwood. Comment
  NY11335  Carex sonomensis T. J. Howell 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  RSA0020333  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  CAS-BOT-BC115832  Carex subfusca Peter Rubtzoff 1959-4-18 4034 Sonoma Laguna de Santa Rosa NE of Graton, ca. 0.5 mi N of Guerneville Road crossing. Comment
  UCR248869  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncan Mills Marsh 2 Comment
  CDA36813  Carthamus creticus D. B. Joley, W. J. Ferlatte 1976-1 24 Sonoma Petaluma Hill Rd. 0 Comment
  UCD150813  Carthamus leucocaulos P. F. Knowles 1969-9-23 s.n. Sonoma California, Sonoma County; ca. 1.5 miles west of Asti. 106 Comment
  OBI68597  Carthamus leucocaulos T. C. Fuller 1978-8-17 20253 Sonoma along the inner face of dam at edge of water cutting action, 1.6 km (1mi) W of fwy exit, hwy 101, Asti Comment
  SEINET13331044 Image available Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 0.25 acre of weed scattered over 2 acres, abundant on both slopes of the dam of a reservoir, about 1 mi. W. of the Asti turn-off of the freeway, Hwy 101, Asti Comment
  CAS-BOT-BC384677  Caryophyllaceae Peter Rubtzoff 1983-8-28 9680 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC249238  Castilleja affinis A. A. Heller; H. E. Brown 1902-4-2 5200 Sonoma Hills Northeast of Santa Rosa 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
  JEPS9948  Castilleja attenuata W. L. Jepson 1921-5-6 9188 Sonoma Porter Creek 365 Comment
  SEINET7067275  Castilleja densiflora A. G. Vestal 1947-5-13 s.n. Sonoma About 4.8 miles east of Annapolis. Coordinate datum: NAD27. UTM Zone 10, 475046mE, 4286799mN. Comment
  UC596655  Castilleja foliolosa Rensselaer J. Smith Jul 1904 Sonoma Highland Comment
  UCD122506  Castilleja foliolosa G. E. Kerley 1966-4-3 66- 19 Sonoma Trinity Road, 7.3 miles southwest of Oakville. 304 Comment
  CAS-BOT-BC243848  Castilleja latifolia Peter Rubtzoff 1952-6-10 1242 Sonoma Resort at east base of Fitch Mtn., near Healdsburg Comment
  SD38268  Castilleja latifolia Edith A. Purer 1932-7-21 4055 Sonoma Bodega bay, sandy bluff Comment
  JEPS15179  Castilleja rubicundula subsp. lithospermoides H. S. Yates 1934-4-22 3840 Sonoma near Burke; Calistoga Quad. 60 Comment
  JEPS27975  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi, and L. Heckard 1961-6-9 7734 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner road) 249 Comment
  UCD123033  Castilleja subinclusa subsp. franciscana Terri Williamson 1990-5-20 56 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UC1191869  Castilleja uliginosa Herbert L. Mason 1946-7-4 12892 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  JEPS23808  Castilleja wightii Rimo Bacigalupi with Don Liles 1959-7-13 7323 Sonoma 3.5 mi s Fort Ross (along State Hwy 1) 137 Comment
  JEPS26117  Castilleja wightii Peter H. Raven, R. Snow 1958-7-23 13688 Sonoma 2.6 mi n Jenner Comment
  JEPS33889  Castilleja wightii Lloy Thurman and Ted Crovello 1964-4-12 Sonoma about 5 mi s Jenner (along the coast (Highway 1)) Comment
  JEPS85724  Castilleja wightii L. R. Heckard 1968-7-23 2070 Sonoma n of Bodege Bay; Schoolhouse Beach Comment
  UC26494  Castilleja wightii Harley P. Chandler 1900-5-25 710 Sonoma Bodega Bay Comment
  CAS-BOT-BC39437  Caulanthus lasiophyllus Greg de Nevers 1993-4-27 10408 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. Along Mark West Springs Road. 457 Comment
  CAS-BOT-BC47798  Ceanothus John Thomas Howell 1935-5-5 12613 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47803  Ceanothus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC1071521  Ceanothus A. E. Wieslander 1939-3-18 873 Sonoma head of Hooker Canyon Sonoma Quad. Comment
  CAS-BOT-BC83850  Ceanothus confusus D. O. Burge 2007-4-10 833 a Sonoma SE flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek 1000 Comment
  RSA21909  Ceanothus confusus J. T. Howell 1937-4-11 12908 Sonoma Sonoma Creek Canyon at M S Baker's. Comment
  RSA21914  Ceanothus confusus J. T. Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  RSA77694  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC107067  Ceanothus confusus A. E. Wieslander 1939-3-18 874 Sonoma Rincon Hills, S edge 121 Comment
  CAS-BOT-BC48517  Ceanothus confusus Roger Raiche 1985-11-28 RR 50897 Sonoma w of Cloverdale, Red Mt. between Hot Springs Road & Cherry Creek Road 377 Comment
  RSA114009  Ceanothus divergens subsp. confusus Milo S. Baker 1939-3-20 9244 Sonoma Top of hill 4 miles N of Santa Rosa on road past County Hospital Comment
  RSA177990  Ceanothus foliosus Robert F. Thorne 1965-4-20 34343 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  SEINET13945878 Image available Ceanothus foliosus A. A. Heller, H. E. Brown 1902-1 5619 Sonoma Mt. Hood Comment
  CAS-BOT-BC64417  Ceanothus foliosus subsp. vineatus John Thomas Howell 1931-3-14 5780 Sonoma Vine Hill District, 19 mi. w. of Santa Rosa. Comment
  CAS-BOT-BC49903  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1964-1-18 522 Sonoma Hooker Canyon, Cavedale Road Comment
  CAS-BOT-BC49909  Ceanothus foliosus var. foliosus Michener; Bioletti 1893-6-1 s.n. Sonoma Hoods Peak Comment
  CAS-BOT-BC49911  Ceanothus foliosus var. foliosus J. W. Congdon 1880-5-16 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC50003  Ceanothus gloriosus John Thomas Howell 1935-5-5 12615 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50009  Ceanothus gloriosus John Thomas Howell 1937-4-11 12908 Sonoma MS. Baker place, SW. slope of Mt. Hood Comment
  CAS-BOT-BC50011  Ceanothus gloriosus Milo S. Baker 1935-4-1 8032 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  JEPS42421  Ceanothus gloriosus F. W. Hoffman 1928-3-30 Sonoma Lone Mountain Farm Guerneville Comment
  UC338455  Ceanothus gloriosus var. exaltatus Lemmon 1887-5-1 Sonoma Santa Rosa Comment
  UC604114  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 164 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  CAS-BOT-BC49976  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  UC1198031  Ceanothus incanus Joseph P. Tracy 1935-7-7 14045 Sonoma near the Geysers 609 Comment
  UCD158880  Ceanothus incanus James A. Neilson Jr. 1975-1-23 3124 Sonoma Mayacmas Mountains. One-quarter mile south of Little Sulphur Creek crossing., Healdsburg- Geysers Road. (Elevation estimated using topo map by label maker.) 731 Comment
  SACT002923  Ceanothus incanus Josephine Van Ess 1982-7-21 Sonoma Collected at Mount Mill House Girl Scout Camp. Open area in forest. Medium size shrubs. White flowers. Comment
  CAS-BOT-BC50955  Ceanothus integerrimus Maxine Wilkes 1933-6-1 s.n. Sonoma Mts near Cloverdale Comment
  CAS-BOT-BC50646  Ceanothus jepsonii J. Clausen 1933-3-26 748 Sonoma Summit of Harrison Grade. Between Graton and Occidental Comment
  UC1070782  Ceanothus jepsonii E. Armstrong 1934-3-26 935 Sonoma 4 mi nw Camp Meeker; Sebastopol quad Comment
  UC1070783  Ceanothus jepsonii C. M. Belshaw 1936-3-8 1579 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa quad. Comment
  UCD123963  Ceanothus jepsonii D. O. Burge and K. B. Schroeder 2008-3-7 979 c Sonoma Ridge NW of Duvoul Creek, near confluence with Dutch Bill Creek, roadside on Bohemian Highway, between Camp Meeker and Monte Rio, 7.6 road miles (12.2 km) north of intersection with SR 12, near BM 136, 2.97 km 320 deg. (True) NNW of Camp Meeker. 50 Comment
  UC75645  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC51876  Ceanothus parryi John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54689 Sonoma Bouverie Audobon Preserve, about 1.5 miles East of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC51882  Ceanothus parryi J. W. Congdon 1892-5-30 s.n. Sonoma Cazedero Comment
  OBI10391  Ceanothus parryi H. E. McMinn 1941-4-26 5321 Sonoma North of Guerneville Comment
  UC334414  Ceanothus parryi unknown 1892-5-4 Sonoma near Guerneville; near Guerneville, Armstrong Park Comment
  UC73362  Ceanothus parryi Milo S. Baker 1898-4-23 28 Sonoma Santa Rosa Creek Canyon Comment
  UC73364  Ceanothus parryi Milo S. Baker May, 1899 Sonoma near Occidental; Green Valley Comment
  CAS-BOT-BC52123  Ceanothus prostratus Carl Meyer 1928-3-3 306 Sonoma Santa Rosa Comment
  CHSC114356  Ceanothus sonomensis D. G. Kelch; Ed Biffin 2010-5-30 10 .193B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. 71 Comment
  UC1010755  Ceanothus sonomensis Peter H. Raven 1954-2-27 6428 Sonoma Hoods Peak Range, mountain side on N side of Hooker Creek. 609 Comment
  UCD112735  Ceanothus thyrsiflorus var. griseus Steven E. Smith 1977-5-14 25 Sonoma 3.8 mi. N. of Graton, W. side of Graton-Occidental Road. 5 Comment
  CAS-BOT-BC52396  Ceanothus velutinus Alice Eastwood 1915-6-6 4705 Sonoma Mt. St. Helena Comment
  UC1281461  Ceanothus velutinus H. E. McMinn 1936-4-4 4379 Sonoma near R. L. Stevenson Monument; Mt. St. Helena Comment
  CAS-BOT-BC52418  Ceanothus velutinus var. velutinus Fred Klein 1969-9-8 s.n. Sonoma Seaview Road 152 Comment
  SDSU6444  Centaurea calcitrapa D. F. Howe 1962-7-28 3362 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  CDA29726  Centaurea iberica Robin Breckenridge, S. Ostrom 2009-7-9 PDR# 1538286 Sonoma In the vicinity of Calistoga, off of Highway 128. 0 Comment
  CAS-BOT-BC277158  Centaurea melitensis G. DeNevers 1981-5-30 1413 Sonoma Pepperwood Ranch. In Bertoli's Creek Comment
  CAS-BOT-BC277251  Centaurea solstitialis Peter Rubtzoff 1953-11-1 1438 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  JEPS44124  Centaurea solstitialis W. L. Jepson 1914-9-19 6190 Sonoma Agua Caliente Sonoma Valley, Agua Caliente 25 Comment
  CAS-BOT-BC277254  Centaurea solstitialis G. DeNevers 1981-6-6 1447 Sonoma Pepperwood Ranch. At the first Pepperwood entrance Comment
  OBI35874  Centaurium erythraea David J. Keil 1983-6-29 17201 Sonoma Ca. 10 mi SE of Ft. Ross along hwy 1 Comment
  CAS-BOT-BC271550  Centromadia parryi subsp. rudis Walter Knight; Irja Knight 1985-9-23 5181 Sonoma Lower Tubbs Island about 1/4 mile from San Pablo Bay 0 Comment
  UCD138893  Cephalanthera austiniae K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC251310  Cerastium Peter Rubtzoff 1960-6-5 s.n. Sonoma Laguna de Santa Rosa, northeast of Graton, near Laguna Road Comment
  UCD98079  Cerastium glomeratum Rimy Waraich 1993-5-8 229 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. Ponygate Trail. 365 Comment
  CAS-BOT-BC400224  Ceratophyllum demersum Greg de Nevers 1996-10-18 10888 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  SD134007  Ceratophyllum demersum Peter Rubtzoff 1962-10-23 5123 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC207633  Cercis occidentalis Helen D. Geis 1902-8-1 s.n. Sonoma Little Sulphur Creek Comment
  POM68417  Cercis occidentalis Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SEINET11908935  Cercocarpus betuloides W. Knight, Knight, I. 1981-1 3989 Sonoma 5.6 mi up Cavedale Road at summit from jct of state route #12 Comment
  CAS-BOT-BC279787  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma Ca. 2 mi. so. of Asti, along U.S. 101 Comment
  HSC67549  Chamaemelum fuscatum J. P. Smith 1975-3-27 8047 Sonoma Dutcher Creek Rd., 0.7 mi. from its jct. with U.S. 101 Comment
  UC1299768  Cheilanthes intertexta Freed W. Hoffman April 1948 2752 Sonoma near Guerneville (Gabe's Rock, Poole Ridge); North Coast Ranges Comment
  RSA785152  Chenopodium Peter Rubtzoff 1969-11-2 6209 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  UC168633  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  UC1010424  Chenopodium californicum Milo Baker 1930-4-15 3953 Sonoma beach near Salmon Cr.; North Bay Counties Comment
  CAS-BOT-BC191597  Chorizanthe cuspidata var. cuspidata John Thomas Howell 1930-6-8 5271 Sonoma at N end of Bodega Bay Comment
  SEINET4182881  Chorizanthe cuspidata var. villosa K. Brandegee s.n. Sonoma Sand Dunes, Bodega Point 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
  SD8120  Chorizanthe membranacea Michener, Bioletti 1892-5-30 521 a Sonoma Hoods Peak Comment
  CAS-BOT-BC257010  Chorizanthe membranacea H. N. Bolander 1860-1-1 3959 Sonoma At the geysers Comment
  UC22852  Cicendia quadrangularis F. T. Bioletti 1892-5-15 Sonoma Comment
  CAS-BOT-BC176186  Cichorium intybus Peter Rubtzoff 1955-9-10 2128 Sonoma Guerneville Marsh. Comment
  RSA155533  Cicuta douglasii L. S. Rose 1960-9-14 60090 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  CAS-BOT-BC280003  Cirsium douglasii var. douglasii R. F. Hoover 1966-7-17 9914 Sonoma Sausal Creek north of Alexander Valley Comment
  OBI16748  Cirsium douglasii var. douglasii Robert F. Hoover 1966-7-17 9914 Sonoma Sausal Crk N of Alexander Valley Comment
  CAS-BOT-BC279998  Cirsium douglasii var. douglasii Harriet Reinhard 1976-6-17 s.n. Sonoma Gleason Beach, north of Bodega Bay Comment
  CAS-BOT-BC285704  Cirsium occidentale var. occidentale Joanne Taylor 1941-7-13 13 Sonoma Bodega Head 30 Comment
  CAS-BOT-BC286378  Cirsium occidentale var. occidentale Alice Eastwood 1915-6-29 4888 Sonoma Bodega Point Comment
  CAS-BOT-BC290642  Cirsium occidentale var. occidentale Peter Rubtzoff 1960-9-14 4546 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CDA1484  Cirsium occidentale var. venustum T. C. Fuller 1958-5-24 4004 Sonoma 1.5 mi. N of Camp Meeker. 0 Comment
  UCD160912  Cirsium occidentale var. venustum James A. Neilson Jr. 1975-7-8 3417 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  CAS-BOT-BC280532  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  UCD130628  Cirsium quercetorum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 58 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA73992  Cirsium remotifolium var. odontolepis M. S. Baker 1931-5-22 5209 Sonoma Bennett Valley Road, south of Weavers. Comment
  UCD160913  Cirsium vulgare James A. Neilson Jr. 1975-7-8 3418 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  JEPS43699  Clarkia amoena Milo S. Baker 1923-7-30 141 Sonoma near Frederickson's-Iagua; North Coast Comment
  CAS-BOT-BC161045  Clarkia amoena subsp. amoena Alva Day 1982-6-1 82 -66 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC161046  Clarkia amoena subsp. amoena Alva Day 1982-6-1 82 -68 Sonoma Pepperwood Ranch. Franz Valley Rd. Comment
  RSA0059971  Clarkia amoena subsp. amoena Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  JEPS82306  Clarkia amoena subsp. huntiana Roger Raiche 1983-7-5 30483 Sonoma ne of Plantation (Tin Barn Road, 3.5 mi n of King Ridge Road) Comment
  POM37827  Clarkia amoena subsp. huntiana Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  CAS-BOT-BC172212  Clarkia concinna Roxana S. Ferris; Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road, 0.8 mi. E of junction with Harrison Grade Road Comment
  UCD104432  Clarkia concinna P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point-Annapolis Road. Comment
  UCD158789  Clarkia gracilis James A. Neilson Jr. 1974-6-1 2876 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  CAS-BOT-BC162512  Clarkia gracilis subsp. gracilis D. E. Breedlove 1980-6-27 44769 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA41289  Clarkia gracilis subsp. gracilis Robert F. Hoover 1941-5-14 5083 Sonoma 3 miles south of Monte Rio on road to Camp Meeker Comment
  UC107859  Clarkia gracilis subsp. sonomensis Michener and Bioletti 1893-6-10 37 Sonoma Glen Ellen Comment
  RSA449288  Clarkia gracilis subsp. sonomensis Christopher Davidson 1977-6-20 6004 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  CAS-BOT-BC163472  Clarkia purpurea subsp. quadrivulnera Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  POM171644  Clarkia purpurea subsp. quadrivulnera Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  SBBG4989  Clarkia purpurea subsp. quadrivulnera H. and M. Dearing 1939-5-3 3274 Sonoma Pope Valley near St Helena Comment
  UCD161396  Clarkia rhomboidea James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge crest between Big Sulphur Creek and Squaw Creek. (Exact location unkown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC439318  Claytonia exigua subsp. exigua A. A. Heller; H. E. Brown 1902-3-12 5049 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  CAS-BOT-BC439409  Claytonia gypsophiloides R. Bacigalupi 1948-3-6 2855 Sonoma 2 mi. w. of Skaggs Springs Comment
  JEPS101053  Claytonia gypsophiloides Dean W. Taylor 1973-2-19 2062 Sonoma Near Camp Meeker along Bohemian Road 152 Comment
  SD130424  Claytonia gypsophiloides F. Alameda, G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch: along road to the Garrison Cabin at the SW sector of the ranch Comment
  UC583539  Claytonia gypsophiloides Elmer I. Applegate 1934-3-25 8846 Sonoma Sausal Creek Mayacamas Mountains (w foothills of Mayacamas Mountains) Comment
  CAS-BOT-BC439632  Claytonia parviflora subsp. parviflora Peter Rubtzoff 1964-7-29 5435 Sonoma Brooks Gulch Marsh. 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
  JEPS128266  Claytonia perfoliata subsp. mexicana Roger Raiche 2000-4-8 028 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC443681  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1931-4-2 6040 Sonoma Kenwood Comment
  CAS-BOT-BC443872  Claytonia sibirica Mark Okada 1975-5-25 s.n. Sonoma Springs Rd. Comment
  UCD160878  Clematis lasiantha James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3257 Sonoma Mayacmas Mountains, ca. 1/2 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC92750  Clematis ligusticifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  RSA135361  Clematis ligusticifolia Volney Rattan 1877-6-21 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC499957  Clintonia andrewsiana Rimo Bacigalupi 1926-5-8 1393 Sonoma Cazadero Comment
  RSA123629  Clintonia andrewsiana Allison Hastings 1940-4-12 s.n. Sonoma Coast Highway north of Fort Ross. Comment
  UCD13250  Clintonia andrewsiana Neil Miller 1973-5-26 89 Sonoma Along Stewarts Point Rc., 4 miles east of Stewarts Point. 152 Comment
  UC972155  Collinsia greenei Helen K. Sharsmith 1952-6-18 4130 Sonoma ca 0.8 mi w jct Socrates Mine rd and Pine Flat-Middletown rd; Inner North Coast Ranges, Mayacamas Mtns 914 Comment
  SEINET5737213 Image available Collinsia heterophylla Johann D. Watjen 1969-1 26 Sonoma West slope of Sugar Loaf Ridge, 8 miles north of Sonoma.; Sugar Loaf Ridge 244 Comment
  UC26649  Collinsia sparsiflora var. arvensis Alice King May 1897 Sonoma Healdsburg Comment
  UC26654  Collinsia sparsiflora var. arvensis Mrs. Ward 1891-1 Sonoma Kenwood Comment
  UC672477  Collinsia sparsiflora var. arvensis H. L. Mason 1928-4-8 4298 Sonoma fields near Sebastopol Comment
  JEPS6348  Collinsia sparsiflora var. arvensis Milo S. Baker Apr 1923 Sonoma near Weaver's (Bennett Valley rd, Bennett Valley, se of Santa Rosa); Bennett Valley Comment
  RSA780088  Collinsia sparsiflora var. arvensis Lyman Benson 1935-3-31 6406 Sonoma U. S. 101, Healdsburg, North Coast Mt. Range, Russian River Watershed 244 Comment
  UC353937  Collinsia sparsiflora var. collina unknown 1928-4-20 2976 b Sonoma Rincon Valley Comment
  POM14840  Collinsia sparsiflora var. sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  JEPS7299  Collinsia tinctoria W. L. Jepson 1923-6-28 10005 Sonoma near Kenwood (Sonoma Canyon); Sonoma Canyon 243 Comment
  UC26664  Collinsia tinctoria F. T. Bioletti Jun 1891 Sonoma Kenwood Comment
  UC23632  Collomia heterophylla Harley P. Chandler 1900-5-25 662 Sonoma Bodega Comment
  CAS-BOT-BC230698  Collomia rawsoniana Walter Knight; Irja Knight; Tiffany Knight 1985-7-15 5144 Sonoma From garden of Knight, Petaluma Comment
  UCD127332  Conium maculatum Terri Williamson 1990-5-20 66 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  RSA94354  Convolvulus arvensis Peter Rubtzoff 1951-7-21 489 Sonoma Southern half of Lower Marsh. Comment
  SEINET6174100 Image available Convolvulus soldanella Sally Walker 1982-5-24 Sonoma Duncans Landing Comment
  CAS-BOT-BC288915  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC288916  Conyza canadensis Peter Rubtzoff 1986-9-28 9753 Sonoma Russian River at Forest Hills, 55 miles E of Guerneville Comment
  CAS-BOT-BC288969  Conyza floribunda Mary P. Wells 1990-1-3 1027 Sonoma Edge of large parking lot two blocks W of Laguna de Santa Rosa Creek, Sebastapol Comment
  HSC20637  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  SBBG32433  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  JEPS20327  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1956-8-20 56152 Sonoma e Santa Rosa; Rincon Ridge 91 Comment
  JEPS68360  Cordylanthus pilosus subsp. pilosus L. R. Heckard with R. Bacigalupi and B. Doren 1971-9-11 2802 Sonoma 1/2 mi w on Lytton Springs road (about 2 mi n of Healdsburg) Comment
  CAS-BOT-BC238229  Cordylanthus tenuis subsp. brunneus Roger Raiche 1985-6-30 RR 50567 Sonoma Unnamed ridge on west side of Dry Creek Valley, north of Crane Creek and south of Bradford Mt. 274 Comment
  CAS-BOT-BC238230  Cordylanthus tenuis subsp. brunneus Steve Edwards 1984-7-22 s.n. Sonoma N. of Duvoul Cr., N. of Camp Meeker, E. of but not far above, Bohemian Hwy. Comment
  JEPS33006  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker Comment
  JEPS74601  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1974-8-21 3825 Sonoma about 1 mi n of Camp Meeker (s of Monte Rio) Comment
  RSA74476  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  UC1044679  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  RSA0057952  Cornus Greg de Nevers 1998-5-25 11266 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC212290  Cornus glabrata Peter Rubtzoff 1951-6-7 109 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  RSA94342  Cornus glabrata Peter Rubtzoff 1951-6-7 109 Sonoma Western branch of the Upper Marsh. Comment
  RSA247215  Cornus nuttallii G. D. Wallace, Larry E. DeBuhr 1972-3-28 1008 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  CAS-BOT-BC180191  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-2-16 527 Sonoma Mill Creek Road Comment
  SACT002819  Corylus cornuta var. californica R. Darby 1940-3-11 Sonoma Chaparrl, humid transitional zone in deep black loam. 6.5 miles southwest of Sebastopol. 1 mile west of Burnside. Shrubs 5 feet high, herbage rounded beneath flowers. Comment
  CAS-BOT-BC173690  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  RSA94302  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Lower part of the Upper Marsh Comment
  UCD130896  Cotula coronopifolia Charles B. Heiser Jr. 1946-3-29 1891 Sonoma on road to Sonoma from Napa, Hwy 12. Comment
  UCD130897  Cotula coronopifolia Mary M. Hektner 1976-12-14 275 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SD206990  Crassula solieri Reid Moran 1991-5-14 Sonoma Sonoma Valley Regional Park; E of Glen Ellen, Highway 12, 0.3 miles southeast of intersection with Arnold Drive. 99 Comment
  CAS-BOT-BC143507  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  CAS-BOT-BC143513  Crataegus gaylussacia Peter Rubtzoff 1973-10-10 7344 Sonoma (Tributary of Americano Creek) 2 mi. west of Bloomfield Comment
  CAS-BOT-BC173648  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UCD142160  Croton setiger Lewis S. Rose 1964-8-26 64065 Sonoma 6.5 miles NE of Penngrove; 426 Comment
  UC1561762  Crupina vulgaris Liam Davis 1990-5-17 9078 -3 Sonoma about 200 m s Lake Llsanjo (along e side of Canyon Trail); Annadel State Park 243 Comment
  UC1561763  Crupina vulgaris Nancy Harrison 1990-5-19 Sonoma Junction of Spring Creek Trail with paved trail across dam; Annadel State Park Comment
  CDA36048  Crupina vulgaris CDFA Staff Sep 1976 Sonoma Santa Rosa. 0 Comment
  SEINET11686587  Crypsis W. Knight, Knight, I.; Edwards, S. W. 1984-1 5041 Sonoma along Willow Creek between Denman Flat & Corona Road, near Petaluma Comment
  RSA785747  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  NY16705  Cupressus macnabiana C. B. Wolf 1934-10-18 6198 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
  SEINET10531470  Cupressus macnabiana Carl B. Wolf, E. R. Johnson 1934-10-18 Wolf 2154 Sonoma Head of Hooker Canyon, 4 7/10 mi E of Sonoma-Kenwood Road. Upper sonoran:- Chaparral. Sun. Open ridge in porous gray volcanic rock. 550 Comment
  HSC99996  Cupressus pygmaea J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12692 Sonoma Salt Point State Park Comment
  CAS-BOT-BC85426  Cupressus sargentii Roxana Stinchfield Ferris; L. Lorraine 1961-6-15 13565 Sonoma Harrison Grade 1.3 mi. from junction with Green Valley Road Comment
  RSA6472  Cupressus sargentii Jens Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade, between Graton and Occidental Comment
  UC1134244  Cupressus sargentii Mason 1932-7-19 123 Sonoma 0.6 mi nw Los Alamos School; Santa Rosa Quad. Comment
  UCD158873  Cupressus sargentii James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2903 Sonoma Mayacmas Mountains; northwest part of Section 15, The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  NY16823  Cupressus sargentii C. B. Wolf 1934-10-13 6183 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
  NY16824  Cupressus sargentii C. B. Wolf 1934-10-13 6183 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
  RSA129446  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 miles north of Camp Meeker 122 Comment
  SEINET10834045  Cupressus sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Wolf 2141 Sonoma Coys Ranch about 2 miles from Occidental. Life zone: Transition:- Sun. Serpentine. 90 Comment
  UCD125761  Cuscuta californica var. californica Frederica Bowcutt 1997-7-19 2193 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.75 air miles S of Red Mountain, 0.5 miles NNW of confluence of the Malmf., 1.0 air miles WSW of Brushy Peaks. 457 Comment
  UCD164605  Cuscuta campestris Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 miles east of Guerneville. 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
  UC1023584  Cynodon dactylon Virginia Bufford 1936-5-21 362 Sonoma Geysers - Cloverdale Rd Comment
  SEINET176301 Image available Cynodon dactylon var. dactylon M. E. Jones 1882-7-18 Sonoma Duncan's Mills Comment
  POM369230  Cynoglossum grande Christopher Davidson 1977-6-20 6032 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  SEINET9355702  Cynoglossum grande John Nelson, Wnek, R. 2000-3-7 20935 Sonoma Open ground of steep slope, N edgeo f Hwy 116 just W of Fern Grove cabins on W side of Guerneville With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  UCSB28101  Cynoglossum grande Phelps, M. 1972-2-18 Sonoma 1000 yds. west of Old Bale Mill Historic Landmark, St. Helena 365 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-BC190427  Cynosurus echinatus John H. Thomas 1976-6-15 18229 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC190472  Cynosurus echinatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north off Crow's Nest Road and east of Spy Glass Lane. The Sea Ranch. Comment
  RSA47614  Cynosurus echinatus Roxana S. Ferris, Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. 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-BC350947  Cyperus Peter Rubtzoff; Nancy Harrison 1974-9-7 7876 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. Comment
  UC837657  Cyperus eragrostis Milo S. Baker 1937-9-29 6037 Sonoma 4 mi. s.e. Sonoma (on Vineburg-Napa rd.) Comment
  UCD141039  Cyperus eragrostis Mary M. Hektner 1974-9-12 184 Sonoma along Sea Gate Road, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC114439  Cyperus erythrorhizos Peter Rubtzoff 1961-9-20 4757 Sonoma Lagune de Santa Rosa, NE of Graton, near Guerneville Road crossing. Comment
  CAS-BOT-BC113915  Cyperus niger var. capitatus Peter Rubtzoff 1955-9-10 2136 Sonoma East Guernewood, near Guerneville. On a Russian River island. Comment
  CAS-BOT-BC113916  Cyperus niger var. castaneus John Thomas Howell; J. W. Stacey 1936-7-26 12675 Sonoma Pitkin Marsh, 5 mi. N of Sebastapol. Comment
  CAS-BOT-BC114040  Cyperus squarrosus Peter Rubtzoff 1987-10-17 9871 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  POM21457  Cytisus monspessulanus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 73094 Sonoma Near Windsor. Comment
  UCD105674  Cytisus scoparius Kamala Crompton 1996-5-19 17 Sonoma Roadside 7 miles west of Petaluma. 100 Comment
  SEINET9320073  Cytisus striatus John Nelson, Wnek, R. 2000-3-8 20949 Sonoma Along narrow stream edge w/ Umbellularia californica; W side of Guerneville just E of Fern Grove cabins on N side of River Rd (hwy 116) AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  CAS-BOT-BC192278  Danthonia californica John Thomas Howell 1930-6-8 5217 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD60480  Danthonia californica B. Crampton 1955-6-17 2960 Sonoma 4.5 miles east of Fort Ross. Comment
  SEINET7042681  Danthonia californica A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UCR141956  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Coast Range, 14 miles NW of Calistoga on Hwy. 128 near Chalk Hill Road 122 Comment
  UCD33239  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Sonoma County, 14 miles N.W. of Calistoga on Hwy. 128 near Chalk Hill road. Comment
  JEPS15984  Daucus carota W. L. Jepson 1931-7-19 15936 Sonoma Bodega, Watson School 152 Comment
  UCD127395  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  JEPS128203  Daucus pusillus Roger Raiche 2000-4-30 051 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC293813  Deinandra corymbosa Rimo Bacigalupi 1928-6-18 1902 Sonoma At mouth of Salmon Creek 2 miles north of Bodega Bay Comment
  UCD166347  Deinandra corymbosa Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC9604  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley, west of Occidental Comment
  CAS-BOT-BC9022  Delphinium decorum M. Hallet 1927-4-1 s.n. Sonoma Graton Comment
  CAS-BOT-BC9023  Delphinium decorum M. Hallet 1927-4-1 s.n. Sonoma Graton Comment
  RSA59839  Delphinium decorum E. Armstrong 1931-1 1936 Sonoma Ranch near Santa Rosa Comment
  UC726246  Delphinium decorum subsp. tracyi A. A. Heller 1938-5-14 15089 Sonoma steep slope a mi or more e Bodega Bay Comment
  UC1334519  Delphinium hesperium subsp. hesperium G. A. L. Mehlquist and J. A. Jenkins 1940-5-28 3 Sonoma 100 yds sw of Route 29 Mark West Mineral Spring Comment
  CAS-BOT-BC10066  Delphinium hesperium subsp. pallescens John Thomas Howell 1934-3-27 s.n. Sonoma Pope Canyon, Napa Range Comment
  CAS-BOT-BC10092  Delphinium luteum Alice Eastwood 1917-5-13 s.n. Sonoma Between Bodega and the Bay Comment
  SEINET10536041  Delphinium luteum A. Arthur Heller, H. E. Brown 1902-1 Sonoma Comment
  CAS-BOT-BC8002  Delphinium nudicaule Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC8007  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross Comment
  CAS-BOT-BC9895  Delphinium nudicaule Farlin F. Wood 1918-4-25 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC8003  Delphinium nudicaule Milo S. Baker 1932-5-3 5949 Sonoma Just south of Stewart's Point Comment
  CAS-BOT-BC9894  Delphinium nudicaule John Thomas Howell 1931-4-18 6427 Sonoma 8 miles N of Bay Comment
  UCSB22476  Delphinium nudicaule McCarthy, Sharon 1965-4-16 Sonoma north of junction of 5th St. West and Verano Ave., Sonoma 60 Comment
  JEPS86296  Delphinium patens Jack and Betty Guggolz 1989-5-5 1009 Sonoma Comment
  POM302103  Delphinium variegatum H. C. Cantelow 1940-4-6 s.n. Sonoma 1/2 miles S of Shellville Comment
  CAS-BOT-BC7770  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  CAS-BOT-BC83025  Dendromecon rigida Kate Eastwood Phelps 1935-4-1 s.n. Sonoma Point Sal. Comment
  JEPS128274  Dendromecon rigida Roger Raiche 2000-4-23 047 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC182746  Dentaria Peter Rubtzoff 1957-5-4 3313 Sonoma Duncans Mills Marsh area Comment
  CAS-BOT-BC201955  Deschampsia elongata Peter Rubtzoff 1959-6-6 4099 Sonoma Willow Creek Marsh 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-BC201968  Deschampsia elongata Peter Rubtzoff 1962-5-30 4847 Sonoma Freestone Marsh Comment
  SEINET238950 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers 12 miles (direct line) east of Colverdale. North slope of well above Geyser Creek. 494 Comment
  POM288511  Dichanthelium acuminatum var. fasciculatum P. B. Kennedy 1915-5-31 s.n. Sonoma Annapolis Region Comment
  UCD151080  Dichelostemma James A. Neilson Jr. 1973-6-3 2990 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC502207  Dichelostemma capitatum L. R. Abrams 1918-4-27 6908 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC502213  Dichelostemma capitatum A. A. Heller 1902-6-23 s.n. Sonoma Petrified forest Comment
  CAS-BOT-BC502221  Dichelostemma capitatum Volney Rattan 1903-1-1 s.n. Sonoma UPCRR Comment
  SEINET12049794  Dichelostemma capitatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -176 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 Comment
  UCD23377  Dichelostemma capitatum Steven E. Smith 1977-4-15 16 Sonoma Perianth deep purple, 3 linear staminodes. 10.4 miles west of intersection with Dutcher Creek Rd. on Skaggs Springs Rd. Comment
  SEINET10496681  Dichondra occidentalis Alan A. Beetle 1940-4-7 Beetle 2598 Sonoma In sandy soil on low, open, grassy coastal hill; five miles north of Jenner. Comment
  RSA788367  Digitaria Peter Rubtzoff 1971-8-23 6655 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  CAS-BOT-BC176364  Digitaria sanguinalis Peter Rubtzoff 1958-8-24 3929 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC176370  Digitaria sanguinalis Peter Rubtzoff 1959-8-30 4243 Sonoma Drake's Beach, near Guerneville, along Russian River. Comment
  RSA796382  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCD148387  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD64005  Digitaria sanguinalis Collector Unknown 1941-11-1 Sonoma Santa Rosa Cr. by old S.P. R.R. Comment
  CAS-BOT-BC152035  Diplacus aurantiacus D. E. Breedlove 1980-6-27 44754 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC152036  Diplacus aurantiacus L. R. Abrams 1916-7-3 5780 Sonoma Petrified Forest Comment
  SEINET13682823  Diplacus aurantiacus M. J. Williams 1968-4-6 s.n. Sonoma Trinity Grade. 213 Comment
  CAS-BOT-BC151751  Diplacus kelloggii A. A. Heller; H. E. Brown 1902-3-25 5146 Sonoma Near Mark West Springs Comment
  UCD64174  Distichlis spicata Beecher Crampton 1959-6-16 5401 Sonoma Doran Park, south end of Bodega Bay. Comment
  UCD78109  Dittrichia graveolens Robert E. Preston 1999-11-9 1252 Sonoma Windsor, on NW corner of jct Old Redwood Hwy and Arata Lane. T8N R9W N edge of Sec 11 39 Comment
  UC1123264  Dodecatheon hendersonii B. O. Schreiber 1938-2-27 2467 Sonoma 2 mi wnw Mark West Springs; Healdsburg Quad. 121 Comment
  JEPS26980  Downingia bicornuta var. bicornuta Allison Hastings 1940-5-3 Sonoma e of Santa Rosa Fair Grounds Comment
  UCD55093  Downingia concolor G. F. Hrusa; R. Gross 1996-6-30 13059 Sonoma At west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  UC1001278  Downingia concolor var. concolor W. L. Jepson 1921-5-6 9189 Sonoma Sonoma Valley Comment
  CAS-BOT-BC154131  Downingia concolor var. concolor Peter Rubtzoff 1966-6-5 5752 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  SD108305  Downingia concolor var. concolor Walter Knight, Irja Knight 1980-5-12 Sonoma 0.5 mile south of junction of highways 116 and 121 in Sonoma Valley. Comment
  UC28965  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley Comment
  JEPS26984  Downingia pusilla Milo S. Baker 1927-5-8 2114 Sonoma near Bennett Valley Road summit Comment
  JEPS87237  Downingia pusilla Jack and Betty Guggolz 1992-5-6 1278 Sonoma 1.25 mi ne Windsor 42 Comment
  UCD151171  Draba verna James A. Neilson Jr. 1974-3-27 3020 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  CAS-BOT-BC159450  Drymocallis glandulosa var. glandulosa A. A. Heller; H. E. Brown 1902-4-11 5260 Sonoma Bodega Bay Comment
  POM35446  Drymocallis glandulosa var. wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross. Comment
  POM188329  Dryopteris arguta Marcus E. Jones 1931-7-5 29172 Sonoma West of Cloverdale. Comment
  UC1936226  Dryopteris expansa W. Born Jun 2008 s. n. Sonoma Pomo Canyon Campground, Sonoma Co. coast Comment
  UC933226  Dudleya farinosa Reid Moran June 1949 3185 Sonoma Jenner Comment
  CAS-BOT-BC208542  Ehrharta calycina Nancy Harrison 1977-6-11 1376 Sonoma Salmon Creek Beach Comment
  UCD61213  Ehrharta erecta P. G. Connors 1992-5-12 252 Sonoma Near Salmon Creek (Miwok Rd.). Comment
  RSA227243  Elatine heterandra Peter Rubtzoff 1964-7-14 5400 Sonoma Bennett Mtn. Lake Comment
  UCD165782  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  RSA94013  Eleocharis acicularis var. acicularis Peter Rubtzoff 1951-7-22 531 Sonoma Pitkin Marsh, near Forestville: Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC112199  Eleocharis radicans Peter Rubtzoff 1954-7-29 1611 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC112273  Eleocharis rostellata Peter Rubtzoff 1952-5-31 1127 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC113673  Eleocharis tenuis var. tenuis Sturgeon 1956-7-3 s.n. Sonoma Near Occidental (Sturgeon's Mill ?) Comment
  SEINET7067272  Elymus glaucus A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  UC573713  Elymus glaucus H. S. Yates 1937-6-6 6580 Sonoma 8 mi sw Healdsburg; Healdsburg Quadrangle Comment
  UCD61790  Elymus glaucus P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UCD61908  Elymus glaucus R. Tofsrud 1947-8-1 256 Sonoma Cloverdale. Comment
  CAS-BOT-BC203713  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1174 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  JEPS128373  Elymus glaucus subsp. glaucus Roger Raiche 2000-5-4 062 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD105386  Elymus glaucus subsp. glaucus Frederica Bowcutt 1994-6-12 1846 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. about 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  CAS-BOT-BC203727  Elymus glaucus subsp. glaucus H. S. Yates 1937-6-5 20815 Sonoma 3 miles S. S. E. of Wildwood Comment
  UCD160893  Elymus glaucus subsp. virescens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3286 a Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS87224  Emmenanthe penduliflora Jack and Betty Guggolz 1992-5-17 1299 Sonoma On the up side of the Anderson Trail (The west side of the Black Mountain east of Geyserville). 585 Comment
  CAS-BOT-BC290618  Epilobium Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC20095  Epilobium brachycarpum J. Burtt Davy Aug. 1896 4139 Sonoma Russian River Comment
  CAS-BOT-BC166621  Epilobium canum subsp. canum John Thomas Howell 1932-10-9 10815 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  UC20057  Epilobium ciliatum subsp. ciliatum J. Burtt Davy Aug., 1896 4136 Sonoma Russian River Comment
  CAS-BOT-BC262990  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1523 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  CAS-BOT-BC268117  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1970-6-21 6270 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  UC424852  Epilobium ciliatum subsp. watsonii Milo S. Baker 1929-4-17 3513 Sonoma Bodega Rd near Bay Comment
  UC584053  Epilobium ciliatum subsp. watsonii J. Clausen 1935-5-24 1082 Sonoma on Bodega Rd 3.7 mi s Jenner (ditches along hwy) 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
  UCR248931  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh 15 Comment
  POM225185  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-8 14312 Sonoma Ft. Ross Comment
  RSA0015639  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5865 Sonoma SE of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC368005  Epilobium densiflorum Greg de Nevers 1989-8-28 9098 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  UCD148363  Epilobium densiflorum Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC262813  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidental Marsh, (0.6 - 0.7 miles northeast of Occidental, near the road to Graton). 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
  RSA800405  Epilobium hallianum Peter Rubtzoff 1962-6-1 4855 Sonoma Freestone Marsh Comment
  SD251254  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidenta Marsh Comment
  RSA784481  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC173543  Equisetum Peter Rubtzoff 1970-8-25 s.n. Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC210088  Equisetum hyemale subsp. affine Peter Rubtzoff 1959-6-20 4184 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC57209  Equisetum hyemale subsp. affine Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC57211  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-BC173612  Equisetum laevigatum Peter Rubtzoff 1958-4-26 3602 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA784475  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  CAS-BOT-BC328123  Eragrostis Peter Rubtzoff 1965-8-16 5600 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). 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
  UC17604  Eremocarpus setiger H. N. Bolander 1860-9-18 440 Sonoma Cloverdale Comment
  CAS-BOT-BC131608  Ericameria arborescens Edw. L. Greene 1888-8-31 s.n. Sonoma Petrified Forest Comment
  RSA0062824  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UC1299250  Erigeron Freed W. Hoffman 1946-8-14 590 Sonoma East Austin Creek North Coast Ranges, Rocky Mountain, East Austin Creek Comment
  UC31486  Erigeron glaucus Harley P. Chandler 1900-5-25 690 Sonoma Bodega Bay Comment
  UC1299254  Erigeron greenei Freed W. Hoffman 1947-9-5 1249 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  SEINET8667577 Image available Erigeron inornatus var. viscidulus H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  CAS-BOT-BC214553  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh 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
  UC1124290  Eriodictyon californicum A. Lewis May 1932 123 Sonoma Calabasas Creek; Napa Quad., Calabasas Creek 457 Comment
  UC1193343  Eriodictyon californicum R. H. Neuns 1950-4-28 97 Sonoma 8 mi e Cloverdale; Quad. 60B3 640 Comment
  CAS-BOT-BC248813  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma On s. side of Sweetwater Springs Rd. (above Porter Creek somewhat e. of its intersection with John Gordon Creek), 3.9 mi. w. on Sweetwater Springs Rd. from its origin at west side highway 121 Comment
  RSA766132  Eriogonum latifolium J. T. Howell 1930-6-8 5257 Sonoma 1 mile east of Bodega Bay Comment
  SBBG64029  Eriogonum latifolium J. T. Howell 1930-7-27 5402 Sonoma 1 mi N of Fort Ross Comment
  RSA372073  Eriogonum latifolium Noel Holmgren, James L. Reveal 1966-6-6 2648 Sonoma Just north of Ocean View. On bluff above shore line (form away from immediate coastal influence). Comment
  RSA107415  Eriogonum luteolum L. S. Rose 1955-7-11 55112 Sonoma 2 miles NE of Occidental 244 Comment
  CAS-BOT-BC259468  Eriogonum luteolum Catherine Best 1981-8-23 s.n. Sonoma Stoetz Lane, 2 m. east of Occidental Comment
  CAS-BOT-BC259485  Eriogonum luteolum Gladys L. Smith 1961-9-6 1453 Sonoma Road shoulder near P.G.&E. power house, Geysers 822 Comment
  CAS-BOT-BC259486  Eriogonum luteolum H. D. Geis 1902-8-1 s.n. Sonoma Unspecified Comment
  JEPS47692  Eriogonum luteolum var. luteolum Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UCD100590  Eriogonum nudum var. nudum Frederica Bowcutt 1994-6-24 1898 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/2 way from bald Mountain Trail to Headwaters Trail. 566 Comment
  CAS-BOT-BC267867  Eriogonum umbellatum var. bahiiforme F. G. Krauss 1894-5-1 s.n. Sonoma Mts. west of Calistoga Comment
  CAS-BOT-BC262389  Eriogonum vimineum G. DeNevers 1981-5-23 1268 Sonoma Pepperwood Ranch. Along Franz Valley Road. Bottom of Road on SW side Comment
  UC31703 Image available Eriophyllum confertiflorum var. confertiflorum Ivar Tidestrom 1905-6-3 Sonoma Comment
  SEINET11842964  Eriophyllum lanatum var. achilleoides F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -227 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC301291  Eriophyllum lanatum var. arachnoideum Alice Eastwood 1915-6-29 4860 Sonoma Bodega Point Comment
  CAS-BOT-BC301294  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1930-7-27 5399 Sonoma 1 mile north of Fort Ross Comment
  JEPS34642  Eriophyllum lanatum var. arachnoideum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 250 Sonoma between Gurneville and Monte Rio; Russian River Comment
  POM66821  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan[s] Mills. Comment
Read comments
Jun 19 2012
  UC88938  Eriophyllum lanatum var. arachnoideum Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  SEINET11842885  Eriophyllum lanatum var. arachnoideum W. Knight, Knight, I.; Edwards, S. 1986-1 5349 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  CAS-BOT-BC302014  Eriophyllum staechadifolium Alice Eastwood 1915-6-29 4879 Sonoma Bodega Point Comment
  RSA789043  Erodium Carrie A. Herd 1982-3-16 28 Sonoma Santa Rosa, Todd Road Preserve Comment
  SEINET13944099 Image available Eryngium aristulatum Joseph Andorfer Ewan 1935-1 9256 Sonoma Along railroad tracks all pls. now dormant, W right School on Sebastopol road Comment
  POM259748  Eryngium aristulatum var. aristulatum J. T. Howell 1934-3-26 11806 Sonoma Summit of Bennet Valley road from Glen Ellen to Santa Rosa Comment
  POM259750  Eryngium aristulatum var. aristulatum J. T. Howell 1933-4-1 10927 Sonoma 3 miles northeast of Petaluma Comment
  RSA227227  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-8-25 5805 Sonoma Laguna de Santa Rosa Comment
  SBBG5184  Eryngium armatum H. and M. Dearing 1939-5-14 3355 Sonoma bluffs above the sea, Bodega State Park [Bodega Dunes State Beach] Comment
  SDSU2266  Eryngium armatum D. F. Howe 1963-7-3 3584 Sonoma 20 miles north of junction with #12 on #1. Comment
  UC202767  Eryngium armatum A. D. E. Elmer July, 1903 4776 Sonoma Petaluma Comment
  CAS-BOT-BC383163  Erythranthe grandis David B. Lowry 2005-5-10 CVR Sonoma Along Coleman Valley Road 116 Comment
  CAS-BOT-BC153622  Erythranthe inodora Peter Rubtzoff 1969-8-14 6125 Sonoma Salmon Creek Road ca. 5 mi. west of Bodega (town) (1.1 mi. west of Finley Creek crossing); Salmon Creek margin Comment
  JEPS128278  Eschscholzia caespitosa Roger Raiche 2005-4-22 015 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC402861  Eschscholzia caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC403698  Eschscholzia californica Alice Eastwood 1921-4-24 10341 Sonoma Santa Rosa Comment
  SD40082  Eschscholzia californica Edith A. Purer 1932-7-29 4047 Sonoma Bodega Bay. Comment
  SD40084  Eschscholzia californica Edith A. Purer 1932-7-24 4077 Sonoma Bodega Bay. Comment
  SEINET7067232  Eschscholzia californica A. G. Vestal 1947-5-12 s.n. Sonoma About 1 miles east of Occidental on the Occidental Road. Coordinate datum: NAD27. UTM Zone 10, 506085mE, 4250797mN. Comment
  UC112924  Eschscholzia californica Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  UCD107426  Euonymus occidentalis Dan Axelrod 1931-7-10 s.n. Sonoma Ward Creek, 3 miles no. of Cazadero on Ft. Ross Road. Comment
Read comments
Feb 6 2013
  UC1010408  Euonymus occidentalis var. occidentalis K. Wagnon May 1939 220 Sonoma 5 mi. w. Sebastopol (1/8 mi. n.e. of Wagnon Ranch, along Jonive Creek); Jonive Creek Comment
  UCR255738  Euphorbia oblongata Greg de Nevers 1993-4-27 10405 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CDA14276  Euphorbia oblongata P. Lane 1998-6-18 s.n. Sonoma North Coast; Sea Ranch, 42000 Hwy 1 near Jenner. Comment
  UC86939  Eurybia radulina Michener and Bioletti Sep 7 1891-Jan 1 1900 110 /a Sonoma Comment
  RSA155644  Euthamia occidentalis L. S. Rose 1960-9-14 60094 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  UC1011031  Festuca californica Virginia Bufford 1936-5-1 161 Sonoma Larkspur Rock Bodega Canyon Comment
  UCD161372  Festuca californica James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-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-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  CAS-BOT-BC278884  Festuca occidentalis Catherine Best 1981-6-5 s.n. Sonoma About 6 miles east of Stewarts Point on Skaggs Springs Rd. Comment
  UCD66122  Festuca occidentalis P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  CAS-BOT-BC278918  Festuca ovina Elizabeth McClintock 1964-7-4 s.n. Sonoma In a nursery in Freestone Comment
  SEINET6632138  Festuca pacifica D. F. Howe 1963-1 3530 Sonoma 4 mi. no. of Cloverdale on #128 335 Comment
  UCD66260  Festuca roemeri H. S. Yates 1937-5-30 6544 Sonoma 3 miles NW of Graton. 60 Comment
  UC1023597  Festuca rubra Virginia Bufford 1936-5-19 267 Sonoma 2 to 3 mi from Santa Rosa; Bennett Valley Comment
  CHSC1546  Fragaria chiloensis A. Small 1964-6-12 Sonoma Doran Park. 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-BC53276  Frangula californica subsp. californica Peter Rubtzoff 1957-6-28 3377 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC53282  Frangula californica subsp. californica Mrs. E. C. Sutliffe 1920-8-1 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC217873  Fraxinus latifolia John Thomas Howell 1951-5-28 27498 Sonoma Laguna east of Sebastopol Comment
  UC22602  Fraxinus latifolia H. N. Bolander Jun 1866 Sonoma Cloverdale Comment
  JEPS82540  Fremontodendron californicum Roger Raiche 1984-5-4 40133 Sonoma North of Guerneville, Morrison Creek, Austin Creek State Recreational Area, headwaters of East Austin Creek 182 Comment
  UC615378  Fritillaria affinis Beryl O. Schreiber 1932-4-3 211 Sonoma e side of Mount St. Helena Mount St. Helena Comment
  UC3632  Fritillaria recurva Jepson 1893-5-5 Sonoma Mount St. Helena Comment
  RSA177962  Fritillaria recurva Robert F. Thorne 1965-4-20 34381 Sonoma Charles Newmans place up Los Alamos Rd, on Rincon Ridge 396 Comment
  UCD112402  Galium Christopher Mallek 2008-5-2 HC2- 11 Sonoma Hooker Canyon. 590 Comment
  UCD121960  Galium Frederica Bowcutt 1996-5-23 2146 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 at toe of Sugarloaf Ridge, just S of campground. 377 Comment
  RSA264747  Galium aparine Peter Rubtzoff 1962-6-1 4863 Sonoma Freestone Marsh. Comment
  HSC19845  Galium aparine S. N. Wiemeyer 1962-4-20 23 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  JEPS52890  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3906 Sonoma 6.8 mi ne Plantation (on road to Ward Creek) Comment
  UC963917  Galium divaricatum Milo S. Baker 1947-5-12 11768 Sonoma along horse trail from Gray Ranch (sw slope of mt.); Hood Mt. 441 Comment
  UCD160113  Galium trifidum subsp. subbiflorum James A. Neilson Jr. 1973-6-3 2997 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  RSA94010  Gamochaeta ustulata Peter Rubtzoff 1951-7-8 398 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  CAS-BOT-BC199066  Garrya elliptica C. B. Wolf; E. R. Johnson 1934-10-13 6180 Sonoma 9 mi. N of Ft. Ross on Coast Rd. to Stewarts Pt. 45 Comment
  JEPS128304  Garrya elliptica Roger Raiche 2009-2-2 002 .09 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC182163  Garrya fremontii Walter Knight; Irja Knight 1964-1-17 514 Sonoma Upper Hooker Canyon. Cavedale Rd. Comment
  UCD162159  Garrya fremontii D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1513 Sonoma Hooker Creek watershed. 450 Comment
  UCD66592  Gastridium phleoides Collector Unknown 1941-5-1 Sonoma Trinity Road. Comment
  UCD66718  Gastridium phleoides Freed W. Hoffman 1941-6-3 2076 Sonoma Near Guerneville. Comment
  UC1023580  Gastridium ventricosum Virginia Bufford 1936-5-21 361 Sonoma Geysers-Cloverdale Rd. Comment
  CAS-BOT-BC193259  Genista monspessulana A. A. Heller; H. E. Brown 1902-4-18 s.n. Sonoma Near Windsor Comment
  HSC14659  Genista monspessulana F. Demostene 1966-4-4 19 Sonoma 1 mi. W of Healdsburg Comment
  UCD105728  Genista monspessulana S. P. Lynch 2016-3-14 390 Sonoma 6 mi. west of Callistoga on St. Hwy 128. Comment
Read comments
May 16 2013
  UC424819  Geranium dissectum Milo S. Baker 1930-4-15 3951 Sonoma Mouth of Salmon Creek Comment
  SEINET12183465  Geranium dissectum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -180 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  UCD103404  Geranium molle Frederica Bowcutt 1994-5-21 1825 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
  SEINET7067347  Gilia capitata A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  CAS-BOT-BC361360  Gilia capitata Greg de Nevers 1997-4-16 10937 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  SEINET5501090  Gilia capitata Sally Walker 1981-5-25 Sonoma 4 miles W of Occidental Sonoma Co. Comment
  CDA40040  Gilia capitata subsp. capitata T. C. Fuller 1958-5-24 4019 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  JEPS46208  Gilia capitata subsp. capitata Eleanor Armstrong 1932-5-15 453 Sonoma near Camp Meeker; near Camp Meeker 106 Comment
  UC963874  Gilia capitata subsp. capitata Milo S. Baker 1947-5-12 11767 Sonoma near base of Sugar Loaf Peak Hood Mt. (burned chaparral, North Bay Counties); near base of Sugar Loaf Peak Hood Mt. 457 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
  CAS-BOT-BC225284  Gilia capitata subsp. chamissonis A. A. Heller; H. E. Brown 1902-5-27 5616 Sonoma Bodega Bay Comment
  UCD117705  Gilia capitata subsp. chamissonis Eric S. Ngay 1990-5-18 7 Sonoma Bodega Head, first dune ridge west of harbor along road, east of marine lab dorms, Bodega Bay. Comment
  JEPS41067  Githopsis diffusa subsp. robusta Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9111 Sonoma between 1 and 1.25 mi due w Napa County line (along the Franz Valley School road) 219 Comment
  UCD166998  Githopsis diffusa subsp. robusta James A. Neilson Jr. 1984-5-30 s.n. Sonoma Mayacamas Mountains, Wildhorse, Caldwell Pines (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr., Neilson collection from 1975 are from Wildhorse #1 in the Caldwell Pines area.) Comment
  UC22424  Glaux maritima J. Burtt Davy 1897-9-19 4060 Sonoma Petaluma Comment
  CAS-BOT-BC303748  Glebionis segetum Rimo Bacigalupi 1928-6-18 1878 Sonoma Beach at mouth of Salmon Creek. 2 miles N of Bodega Bay Comment
  SEINET13944156 Image available Glehnia leiocarpa W. A. Weber 1964-1 12192 Sonoma Salmon Creek State Park, N of Bodega Bay; ocean bluffs 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-BC164700  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC176150  Gnaphalium chilense Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC176155  Gnaphalium chilense Peter Rubtzoff 1955-9-9 2125 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC302690  Gnaphalium palustre Peter Rubtzoff 1958-9-6 s.n. Sonoma Laguna de Santa Rosa, north of Cunningham, near the Todd Road crossing. Comment
  CAS-BOT-BC166709  Gnaphalium purpureum Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake. Comment
  UCD166172  Gratiola Peter Rubtzoff 1969-6-14 6083 Sonoma Vernal pool, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  RSA800205  Gratiola ebracteata Peter Rubtzoff 1959-4-19 4039 Sonoma Laguna de Santa Rosa, east of Sebastopol, near Santa Rosa road crossing. Comment
  CAS-BOT-BC305201  Grindelia hirsutula D. E. Breedlove 1980-6-28 44811 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1784138  Grindelia hirsutula Ethel Crum 1930-1 735 Sonoma Petaluma Comment
  UC762573  Grindelia hirsutula R. F. Hoover 5306 Sonoma Occidental Comment
  CAS-BOT-BC305191  Grindelia hirsutula Catherine Best 1981-10-18 s.n. Sonoma On the Coleman Valley Road about 7 mi West of Occidental Comment
  CAS-BOT-BC305194  Grindelia hirsutula Milo S. Baker 1946-7-30 11542 Sonoma Eastern margin of Laguna. Upland. Along Occidental Rd. near bridge Comment
  SEINET11842884  Helianthella californica W. Knight, Knight, I.; Edwards, S. 1986-1 5345 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  CAS-BOT-BC305581  Helianthus bolanderi Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  CAS-BOT-BC305969  Helminthotheca echioides G. DeNevers 1981-6-15 1517 Sonoma Pepperwood Ranch. At the big road cut on Franz Valley Road Comment
  UCD132957  Helminthotheca echioides J. D. Skoss 1948-7-25 43 Sonoma Shellville. Comment
  CAS-BOT-BC258388  Hemizonia Peter Rubtzoff 1973-8-27 7260 Sonoma Upper Green Valley Marsh area. Comment
  UCD165329  Hemizonia Peter Rubtzoff 1973-8-27 7260 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC257985  Hemizonia Peter Rubtzoff 1962-10-23 5120 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC268123  Hemizonia Peter Rubtzoff 1975-8-15 8323 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC371471  Hemizonia congesta Greg de Nevers 1993-8-7 10483 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa near barn 400 Comment
  SDSU4563  Hemizonia congesta D. F. Howe 1965-8-8 4101 Sonoma 8 miles east of Bodega Bay on #1. Comment
  CAS-BOT-BC306160  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  SD62041  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-3 Sonoma 4.4 miles west of Santa Rosa. Comment
  CAS-BOT-BC306232  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  JEPS77885  Hemizonia congesta subsp. congesta Edward Lee 1934-4-30 751 Sonoma 1 mi w 2 Rock junction Comment
  SEINET7067333  Hemizonia congesta subsp. congesta 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
  UC134571  Hemizonia congesta subsp. congesta Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
Read comments
Jun 26 2010
  UC1612985  Hemizonia congesta subsp. congesta M. Rockwood and L. Esposito 1994-6-14 541 Sonoma ca 1.5 mi nw Bodega; Rancho Bodega 42 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-BC309684  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma Adobe Road and Casa Grande Road near Petaluma Comment
  SBBG8412  Hemizonia congesta subsp. lutescens H. and M. Dearing 1939-5-14 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC584180  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 mi s Jenner (on the Bodega road) Comment
  CAS-BOT-BC309669  Hemizonia congesta subsp. lutescens Bruce G. Baldwin 1986-10-29 645 Sonoma 0.3 miles south of junction with State Highway 116 along Lakeville Road Comment
  CAS-BOT-BC309681  Hemizonia congesta subsp. lutescens Peter H. Raven 1955-8-27 8754 Sonoma Petaluma Creek at bridge on Black Point Cutoff Comment
  CAS-BOT-BC309733  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-1 5718 Sonoma Halfway up Meeker Grade Comment
  CDA20440  Hemizonia fitchii McArthur 2002-9-4 PDR P 092053 Sonoma Northern California; State park in the vicinity of Kenwood. 0 Comment
  RSA159435  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -A Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  RSA169313  Hemizonia lutescens L. S. Rose 1964-8-26 64067 Sonoma 5 miles NE of Penngrove. 244 Comment
  RSA81616  Hemizonia lutescens James I. McMurphy 1909-8-9 713 Sonoma Petaluma. Comment
  RSA81620  Hemizonia lutescens James I. McMurphy 1909-7-10 504 Sonoma Rocky point 4 miles NW of Cloverdale on road to Boonville. Comment
  RSA169312  Hemizonia luzulifolia L. S. Rose 1964-8-26 64064 Sonoma 6.5 miles NE of Penngrove. 427 Comment
  RSA0028848  Hemizonia multicaulis subsp. vernalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  SEINET11843059  Hemizonia pungens W. Knight, Knight, I. 1984-1 5422 Sonoma Willow Creek Rd 61 Comment
  UC174206  Heracleum lanatum Katharine Brandegee June, 1905 Sonoma Bodega Comment
  CAS-BOT-BC310213  Hesperevax sparsiflora var. sparsiflora John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54004 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC31907  Hesperevax sparsiflora var. sparsiflora Alice King 1897-6-1 Sonoma Healdsburg Comment
  UC581114  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8098 Sonoma Highway between Santa Rosa and Healdsburg Comment
  UCD111465  Hesperocnide tenella P. G. Connors 1995-6-2 342 Sonoma Bodega Head and Dunes. Comment
  OBI70563  Hesperocyparis macnabiana D. G. Kelch 2007-5-13 7 .284 Sonoma Cavedale Rd 518 Comment
  SD40693  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2.8 miles from Camp Meeker on road to Monte Rio 60 Comment
  UC903717  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma sw slope just above Baker ranch; Hood Mt. 213 Comment
  JEPS122815  Hesperolinon micranthum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-21 298 Sonoma Goodspeed Trail, Sugarloaf Ridge S.P. Comment
  UCD110535  Hesperolinon micranthum Frederica Bowcutt 1994-5-21 1817 Sonoma About 40 air miles N of San Francisco; ~ 11 air miles E of Santa Rosa; ~ 18 air miles NW of Napa; ~ 1.5 air miles NE of Kenwood. Along the Meadow Trail ~3/4 mile from the trail head, east from trail up ~ 100 yds. 411 Comment
  CAS-BOT-BC310984  Heterotheca grandiflora Freed Hoffman 1943-12-1 s.n. Sonoma Northwood, Russian River near Guerneville Comment
  RSA0045175  Heterotheca oregona Greg de Nevers 1996-10-20 10890 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. 91 Comment
  UCD168047  Heterotheca oregona James A. Neilson Jr. 1983-10-24 4103 Sonoma Mayacmas Mountains, Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC311059  Heterotheca oregona var. oregona Greg de Nevers 1992-7-25 10229 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Mark West Creek 304 Comment
  JEPS81179  Heterotheca oregona var. oregona Edward Lee with W. A. Setchell 1936-6-5 2172 Sonoma Bohemian Grove Comment
  CAS-BOT-BC311061  Heterotheca oregona var. oregona John Thomas Howell 1926-11-14 2252 Sonoma Between Rincon Valley and Santa Rosa Comment
  UC87418  Heterotheca oregona var. oregona G. A. Newell 1900-8-1 Sonoma Russian River Station Russian River Comment
  UCR255677  Heterotheca sessiliflora Greg de Nevers 1996-10-20 10890 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 488 Comment
  RSA0009712  Heterotheca sessiliflora subsp. bolanderi Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC423440  Heuchera micrantha var. hartwegii R. Bacegalupi 1926-5-2 1394 Sonoma Cazadero Comment
  SEINET12216892  Heuchera pilosissima W. Knight, Knight, I. 1984-1 5292 Sonoma Gualala Pt. State Park Comment
  UCD160864  Hieracium albiflorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3299 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
  RSA0025690  Hierochloe occidentalis John F. Emmel 1989-12-3 1141 Sonoma 0.3 air mi WSW of Plantation, near NE boundary of Salt Point State Park. 183 Comment
  CAS-BOT-BC55452  Hirschfeldia incana Alice Eastwood 1920-7-31 9997 Sonoma Vallejo. Comment
  UC479115  Hoita macrostachya Marcus E. Jones, A. M. 1931-7-5 28969 Sonoma w Cloverdale Comment
  UC16310  Hoita orbicularis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  SEINET4461157 Image available Hoita villosa A. A. Heller 1902-1 5761 Sonoma Comment
  UC573681  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 mi se Forestville (<Pitkin Marsh>); Sebastopol Quad. Comment
  UC65194  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma 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
  UCD160813  Holodiscus discolor James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3363 Sonoma Section 10, ca. 1 1/2 miles west of The Geysers, 50 feet south of the Geysers Road. (Exact location unknown. Elevation and coordinates estimated by label maker..) 396 Comment
  UCD38483  Holodiscus discolor Beecher Crampton 1955-6-17 2957 Sonoma 5 miles west of Cazadero, road to Fort Ross. Comment
  UCD113344  Holodiscus discolor Frederica Bowcutt 1996-5-23 2148 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 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon at toe of Sugarloaf Ridge just S of campground on rocky slope. 377 Comment
  CAS-BOT-BC152388  Holodiscus discolor var. discolor Walter Knight; Irja Knight 1963-10-27 447 Sonoma Spring Mt. Rd. Comment
  CAS-BOT-BC166736  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  UCR244742  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  UCR244743  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  RSA81603  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood. Comment
  UCD148362  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  UCD85388  Hordeum brachyantherum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  UCD85402  Hordeum brachyantherum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mile W of junction of Arnold Drive. Comment
  CAS-BOT-BC289293  Hordeum brachyantherum subsp. brachyantherum Barrett Anderson 1987-4-27 3464 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  UC1587967  Hordeum brachyantherum subsp. brachyantherum M. Barkworth, D. Amme 1989-6-15 5173 Sonoma s end Bodega Head; s end Bodega Head Comment
  UCD147291  Hordeum brachyantherum subsp. brachyantherum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 304 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  SEINET7067246  Hordeum brachyantherum subsp. californicum A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC285194  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1961-5-24 4595 Sonoma Upper Stemple Creek Marsh 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-BC284844  Hordeum murinum subsp. glaucum Peter Rubtzoff 1951-7-21 487 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  RSA123430  Hordeum murinum subsp. glaucum H. S. Yates 1936-5-16 5601 Sonoma 2 miles S.E. of Forestville 30 Comment
  HSC10197  Hordeum murinum subsp. leporinum S. N. Wiemeyer 1962-1-29 7 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  POM205106  Hordeum murinum subsp. leporinum A. A. Heller 1902-4-11 5278 Sonoma Bodega Bay. Comment
  CAS-BOT-BC282023  Hordeum murinum subsp. leporinum David L. Morgan 1956-4-8 s.n. Sonoma 4 miles W of Sebastopol, at junction of Burnside and Gold Ridge Roads Comment
  UCD86225  Hordeum murinum subsp. leporinum Richard R. Halse 1987-2-22 3375 Sonoma Along State Hwy. 121, .4 miles E of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley. 6 Comment
  CAS-BOT-BC273543  Hordeum vulgare David L. Morgan 1956-5-18 s.n. Sonoma On State Highway #12, 5.4 mi. S. of Santa Rosa city limits Comment
  CDA18032  Horkelia californica subsp. dissita R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena spring, on north side of Mtn. 0 Comment
  JEPS21577  Horkelia tenuiloba Lauramay T. Dempster 1958-5-24 1106 Sonoma along road Vine Hill district Comment
  UC1299116  Horkelia tenuiloba Freed W. Hoffman 1950-5-27 3593 Sonoma Fred McMurry Ranch on Healdsburg-Guerneville Hwy North Coast Ranges Comment
  UCD106010  Hosackia gracilis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 67 A Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC540829  Hypericum Peter Rubtzoff 1974-6-9 7583 Sonoma Upper Green Valley Marsh. Comment
  UCD110355  Hypericum concinnum Frederica Bowcutt 1994-6-24 1884 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain Trail. 396 Comment
  CAS-BOT-BC401291  Hypericum perforatum Peter Rubtzoff 1962-6-22 4958 Sonoma Fife Creek Marsh Comment
  UC479392  Hypochaeris glabra Marcus E. Jones 1931-7-5 29093 Sonoma w Cloverdale Comment
  UCD133345  Hypochaeris glabra P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UC1301036  Hypochaeris radicata Helen K. Sharsmith 1963-5-25 5482 Sonoma on road from Freestone to Occidental; San Francisco Bay Region 121 Comment
  UC496385  Hypochaeris radicata Merle Randall 1930-6-9 Sonoma Cazadero Comment
  CAS-BOT-BC316710  Hypochaeris radicata Greg de Nevers 1981-5-23 1302 Sonoma Top of Devils Kitchen Hill, Pepperwood Ranch Comment
  CAS-BOT-BC316716  Hypochaeris radicata Carl B. Wolf 1927-9-2 1347 Sonoma 2 miles south of Anchor Cove Comment
  SEINET7062924  Ipomoea purpurea A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road and near Taddeuci. (WGS84/NAD83). UTM Zone 10, 505989mE, 4250987mN. 262 Comment
  UCD160311  Iris fernaldii James A. Neilson Jr. 1975-5-23 3211 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  RSA137360  Iris fernaldii Lee W. Lenz, E. K. Balls 1951-5-3 16401 Sonoma About 1 mile east from Petrified Forest on road to Calistoga 610 Comment
  SEINET3876028  Iris macrosiphon James L. Reveal 1988-6-1 6975 Sonoma Along Geysers Road, 13.2 miles north of California Highway 128 and 14.8 miles east of US highway 101, 0.8 mile South of the turnoff to Geyers Resort, about 16.5 miles east of Cloverdale.; 0 640 Comment
  JEPS128286  Iris purdyi Roger Raiche 2005-4-9 008 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC61924  Isoetes nuttallii Peter Rubtzoff 1963-5-26 5141 Sonoma Bennett Mtn. Lake Comment
  SD134069  Isolepis carinata Peter Rubtzoff 1963-5-26 5140 Sonoma Bennett Mountain Lake, vernally wet, partially shaded ground. Comment
  CAS-BOT-BC112564  Isolepis cernua John Thomas Howell 1937-6-6 13027 A Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112570  Isolepis cernua Peter Rubtzoff 1955-7-31 2015 Sonoma Forestville Marsh. Comment
  POM111630  Isolepis cernua Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC340232  Jaumea carnosa Roxana S. Ferris 1937-8-18 9372 Sonoma Near mouth of Salmon Creek on Bodega Bay Comment
  RSA788953  Juncus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh. Comment
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC164032  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6224 Sonoma Sonoma: Five miles north of Sears Point Comment
  CAS-BOT-BC164383  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6225 Sonoma Sonoma: Five miles north of Sears Point Comment
  SEINET3814460  Juncus bolanderi Marcus E. Jones 1882-7-17 3523 Sonoma Duncan's Mills Comment
  RSA368149  Juncus bolanderi Christopher Davidson 1977-6-20 6024 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  SEINET6877095  Juncus bufonius W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  SEINET7042397  Juncus bufonius A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD141358  Juncus bufonius J. Adams; J. Weick, Bot. 102 1993-5-8 281 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  UC143806  Juncus bufonius var. congestus A. A. Heller 1902-6-11 5688 Sonoma e of Santa Rosa; Santa Rosa Creek Comment
  POM312828  Juncus dubius H. L. Mason 1946-7-4 12890 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CAS-BOT-BC328114  Juncus lescurii Peter Rubtzoff 1954-7-26 1559 Sonoma Lower Salmon Creek Marsh. Comment
  UCR248764  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh 2 Comment
  RSA0019005  Juncus lescurii Peter Rubtzoff 1954-8-9 1665 Sonoma Bodega Head Marsh. Comment
  RSA126570  Juncus xiphioides H. S. Yates 1936-5-16 5596 Sonoma 2 miles SE of Forestville 30 Comment
  UCR248901  Kickxia elatine Peter Rubtzoff 1971-8-9 6633 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCD85986  Koeleria macrantha R. Tofsrud 1941-5-1 121 Sonoma Santa Rosa. Comment
  SEINET10607050  Koeleria macrantha A. Arthur Heller 1902-4-23 Heller 5352 Sonoma Near Sonoma. Comment
  CAS-BOT-BC176156  Lactuca Peter Rubtzoff 1958-9-6 3975 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  UCD148410  Lactuca Peter Rubtzoff 1958-9-6 3975 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC340659  Lactuca serriola Mary P. Wells 1985-8-12 593 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC340661  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  RSA796383  Lactuca serriola Peter Rubtzoff 1958-9-6 3975 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  UC194415  Laennecia coulteri E. L. Greene 1888-9-1 Sonoma Santa Rosa Comment
  UCD164593  Lagophylla Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. 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-BC486687  Lamiaceae Peter Rubtzoff 1963-8-17 5230 Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC257694  Lamium Peter Rubtzoff; Paul But 1974-4-6 7359 Sonoma Along roadside at the border of the Forestville Marsh. Comment
  POM63142  Lamium amplexicaule A. A. Heller 1902-6-7 5658 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  JEPS86317  Lasthenia burkei Jack and Betty Guggolz 1988-5-10 931 Sonoma on e side Old Redwood Hwy. (just n of its intersection with Starr Road, Grill property) Comment
  JEPS86736  Lasthenia burkei Jack and Betty Guggolz 1990-4-25 1035 Sonoma 1.5 mi n Simi Winery (s of Lytton Road and w of Lytton Creek) 51 Comment
  JEPS86318  Lasthenia burkei Jack and Betty Guggolz 1988-5-2 922 Sonoma w side Abramson Lane (about 0.25 mi s of its sharp turn to the w) Comment
  JEPS86321  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 914 Sonoma Comment
  CAS-BOT-BC385627  Lasthenia californica A. A. Heller; H. E. Brown 1902-4-11 5270 Sonoma Bodega Bay Comment
  RSA585979  Lasthenia californica Adree M. Desrochers 1990-4-23 480 Sonoma 12 miles S of Fort Ross State Historic Park; on W side of Hwy 1. Comment
  JEPS15071  Lasthenia californica subsp. californica A. A. Heller and H. E. Brown 1902-4-15 Sonoma Santa Rosa Creek Comment
  UC90026  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Bodega Point Comment
  JEPS86752  Lasthenia californica subsp. californica Jack and Betty Guggolz 1990-4-30 1039 Sonoma 243 Comment
  SEINET11447679 Image available Lasthenia californica subsp. macrantha K. Brandegee 1905-6-27 s.n. Sonoma Near Bodega Bay Comment
  CAS-BOT-BC352755  Lasthenia fremontii John Thomas Howell 1943-5-10 17989 Sonoma 1 mile N of Windsor Comment
  CAS-BOT-BC352756  Lasthenia fremontii Alice Eastwood; John Thomas Howell 1936-5-19 2514 Sonoma 2 miles N of Windsor Comment
  CAS-BOT-BC355520  Lasthenia glaberrima John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54020 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC370893  Lasthenia minor Alice Eastwood 1901-4-1 s.n. Sonoma Bodega 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
  UCD106362  Lathyrus latifolius Terri Williamson 1990-5-20 45 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  UCD106668  Lathyrus tingitanus Donna Allen 1977-5-24 s.n. Sonoma Dry cr. Rd. next to bridge at site of proposed dam. Comment
  HSC79028  Lathyrus vestitus A. C. Sanders 1985-1-19 5372 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  SD254612  Lathyrus vestitus Ann Howald 2015-4-1 3333 Sonoma North Coast Ranges; Stewarts Point-Skaggs Springs Rd. 16.7 miles west of intersection with Rockpile Rd., Wolf Creek drainage. 294 Comment
  SBBG3372  Lathyrus vestitus H. and M. Dearing 1939-4-28 3219 Sonoma near Fairfax Comment
  POM17270  Lathyrus vestitus subsp. vestitus A. A. Heller, H. E. Brown, A. H. Heller 1902-3-10 8256 Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC323232  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-BC323254  Layia chrysanthemoides A. A. Heller; H. E. Brown 1902-4-23 5355 Sonoma Near Sonoma Comment
  UC1537075  Layia chrysanthemoides Gordon H. True Jr. 1938-4-13 862 Sonoma near Sonoma 60 Comment
  UCR279871  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  CAS-BOT-BC323251  Layia chrysanthemoides John Thomas Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  UCSB21086  Layia chrysanthemoides McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and Mac Arthur St., Sonoma 25 Comment
  SEINET7067227  Layia platyglossa A. G. Vestal 1947-5-12 s.n. Sonoma Stinson Beach [presently Stenson Beach State Park]. Coordinate datum: NAD27. UTM Zone 10, 531872mE, 4193954mN. Comment
  CAS-BOT-BC329304  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  CAS-BOT-BC183607  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC274323  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville 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-BC210106  Lemna Peter Rubtzoff 1968-6-25 5910 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC154134  Lemna gibba Peter Rubtzoff 1965-11-9 5666 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC534366  Lemna minor Greg de Nevers 1995-4-5 10712 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  HSC15301  Lemna minor Leo Koch 1940-6-12 1011 Sonoma In hills behind Fountiangrove Vineyard, 3 mi. N of Santa Rosa along Hwy. 101 Comment
  CAS-BOT-BC183613  Lemna minor Peter Rubtzoff 1965-11-9 5669 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC344879  Lemna minor Peter Rubtzoff 1961-9-20 4755 Sonoma Duncans Mills Marsh. Comment
  RSA0065910  Lemna minor Peter Rubtzoff 1954-8-13 1710 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC344880  Lemna minuta Peter Rubtzoff 1961-10-17 4769 Sonoma Cunningham Marsh. Comment
  RSA92943  Lemna minuta Peter Rubtzoff 1957-6-17 287 Sonoma Northern half of Lower Marsh [probably Duncans Mills Marsh] Comment
  UCR256273  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC534883  Lemna valdiviana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5847 Sonoma Llano Road near sewage disiposal plant near bridge on water of Laguna de Santa Rosa Comment
  RSA0065911  Lemna valdiviana Peter Rubtzoff 1958-8-23 3899 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC339168  Leontodon saxatilis subsp. saxatilis R. E. Frenkel 1964-6-23 612 Sonoma On California Hwy. 1, 2.3 miles south of Stewarts Point 18 Comment
  CAS-BOT-BC215729  Lepechinia calycina Walter Knight; Irja Knight 1964-1-17 512 Sonoma Upper Hooker canyon, Cavedale Road Comment
  CAS-BOT-BC89742  Lepidium latifolium Peter Rubtzoff 1969-8-26 6158 Sonoma Marsh on River Road ca. 3 miles west of Fulton. Comment
  UCD115703  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  UC10643  Lepidium latipes Edw. L. Greene Apr 1892 Sonoma Mt. St. Helena Comment
  POM203996  Leptosiphon acicularis J. T. Howell 1935-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC376243  Leptosiphon androsaceus Greg de Nevers 1992-4-28 10117 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  UCD55150  Leptosiphon androsaceus Ellen Dean; Tammie Beyerl 2006-4-28 3032 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 260 Comment
  UCD15831  Leptosiphon bicolor J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  CAS-BOT-BC376343  Leptosiphon ciliatus Greg de Nevers 1998-6-20 11292 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Rogers Apple Orchard. 400 Comment
  CAS-BOT-BC226695  Leptosiphon jepsonii Rimo Bacigalupi 1926-5-2 1366 Sonoma Cazadero Comment
  CAS-BOT-BC226696  Leptosiphon jepsonii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53956 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  RSA3279  Leptosiphon latisectus D. D. Keck 1931-4-4 1100 Sonoma Santa Rosa Creek Canyon 225 Comment
  CAS-BOT-BC376427  Leptosiphon parviflorus Greg de Nevers 1995-6-3 10745 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Road to Weimar Flat. 400 Comment
  CAS-BOT-BC324190  Lessingia hololeuca J. W. Compton 1880-9-1 s.n. Sonoma Petaluma Comment
  UC33158  Lessingia hololeuca Edw. L. Greene 1888-1-1 Sonoma Comment
  CAS-BOT-BC123031  Lessingia ramulosa Amos Arthur Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC341997  Lessingia ramulosa J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  JEPS128237  Lessingia ramulosa Roger Raiche 2000-8-18 145 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CDA36826  Leucojum aestivum Ramona Robison 2012-2-15 s.n. Sonoma Santa Rosa; Annadel State Park. 0 Comment
  CAS-BOT-BC371402  Ligusticum apiifolium Greg de Nevers 1998-7-25 11302 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge 400 Comment
  CAS-BOT-BC436538  Ligusticum apiifolium John Thomas Howell 1930-6-8 5252 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC451692  Lilaea scilloides Peter Rubtzoff 1951-6-16 221 Sonoma Pitkin Marsh, near Forestville. Just north of the Lower Marsh. Comment
  RSA170218  Lilaea scilloides John Weiler, D. Kaplan 1961-3-27 6163 Sonoma Along State Highway 37, 4.4 miles north of Sears Point Comment
Read comments
Mar 25 2014
  CAS-BOT-BC130832  Lilium pardalinum Peter Rubtzoff 1955-7-24 1991 Sonoma Guerneville Marsh Comment
  UCD139747  Lilium pardalinum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-27 78 A Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1057485  Limnanthes douglasii G. Thomas Robbins 1938-4-15 259 Sonoma 6-7 mi w Santa Rosa (along road to Graton) Comment
  UCR5989  Limnanthes douglasii Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay Region, Hwy 116, 5 mi. south of Sonoma 305 Comment
  UC726862  Limnanthes douglasii subsp. douglasii A. A. Heller 1940-4-22 15553 Sonoma field between East Windsor and West Windsor Comment
  CAS-BOT-BC45944  Limnanthes vinculans Peter Rubtzoff 1962-5-25 4830 Sonoma Laguna de Santa Rosa north of Sebastopol, nr. Occidental Rd. crossing. Comment
  JEPS102970  Limnanthes vinculans Ann Howald 1994-4-19 1809 Sonoma Knights Valley, Bavarian Lion Ranch Comment
  RSA215940  Limnanthes vinculans Peter Rubtzoff 1958-5-3 s.n. Sonoma Atascadero Creek Margin Comment
  RSA215944  Limnanthes vinculans Peter Rubtzoff 1966-5-29 5726 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road) Comment
  UCD71176  Limnanthes vinculans M. Plotkin 1995-5-29 MSP 04 Sonoma Todd Road, Southeast of Sebastopol, adjacent to CA Department of Fish and Game Todd Road Ecological Reserve. In culvert inside Todd road right of way. 24 Comment
  CAS-BOT-BC376438  Linanthus Greg de Nevers 1998-5-26 11257 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  JEPS58111  Linanthus acicularis W. L. Jepson 1911-4-30 4182 Sonoma near Glen Ellen; Sonoma Valley Comment
  UC908797  Linanthus androsaceus Herbert L. Mason 1928-4-8 4289 Sonoma 2 mi n Fort Ross Comment
  UC730032  Linanthus jepsonii Leo F. Koch 1940-4-22 832 Sonoma 15 mi from Geysers; Sulfur Creek Canyon Comment
  RSA800891  Lindernia dubia Peter Rubtzoff 2013-2-15 8357 Sonoma Bennet Mountain Lake, northern lakeshore. Comment
  POM316764  Linum angustifolium Patricia Wilder 1965-6-10 3635 Sonoma 1.0 mile N of Jenner on Calif. State Hwy 1. North Coast Mt. Range. 23 Comment
  JEPS117116  Linum trigynum Peter Warner 2010-6-16 167 Sonoma Jenner Headlands, Knoll Field, 203 m S 244 deg. W of residence house Comment
  CAS-BOT-BC36169  Lithocarpus densiflorus var. densiflorus J. W. Congdon 1890-5-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC430798  Lithophragma affine Alice Eastwood 1918-5-1 6870 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC430978  Lithophragma bolanderi A. A. Heller; H. E. Brown 1902-4-18 s.n. Sonoma Fields East of Santa Rosa Comment
  CAS-BOT-BC435673  Lithophragma heterophyllum G. de Nevers 1993-3-24 10334 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Canyon 304 Comment
  JEPS47676  Lithophragma heterophyllum Willis L. Jepson 1893-5-1 13473 Sonoma hills between Calistoga and road to Knight's Valley (Napa River Basin); , btw Calistoga and rd to Knight's Valley Comment
  JEPS128268  Logfia filaginoides Roger Raiche 2000-4-8 026 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC342498  Logfia gallica John Thomas Howell 1930-6-8 5236 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  CAS-BOT-BC342501  Logfia gallica Peter Rubtzoff 1952-6-3 1168 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC283533  Lolium Roxana S. Ferris; Laura Lorraine 1961-6-14 13547 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC283290  Lolium multiflorum Peter Rubtzoff 1951-7-21 481 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  UCD66009  Lolium multiflorum James Holleman 1959-5-12 Sonoma 1 mile west of Duncan Mills. Comment
  SEINET7042400  Lolium multiflorum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  RSA786875  Lolium perenne subsp. multiflorum Carrie A. Herd 1982-5-15 115 Sonoma Rohnert Park, C.S.U, Sonoma, between dorm parking lot and bicycle path Comment
  RSA121233  Lolium temulentum H. S. Yates 1937-5-31 6560 Sonoma 1.5 mi. WNW of Mark West Springs 183 Comment
  SEINET8465377 Image available Lomatium dasycarpum Lincoln Constance 1953-4-4 Sonoma Mark West road, 1 mile southwest of Petrified Comment
  POM117353  Lomatium macrocarpum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC361371  Lomatium repostum Greg de Nevers 1997-3-20 10920 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill 400 Comment
  CAS-BOT-BC217809  Lomatium repostum Milo S. Baker 1947-5-5 11713 Sonoma Hood Mt. 304 Comment
  CAS-BOT-BC240651  Lonicera hispidula Peter Rubtzoff 1952-5-31 1115 Sonoma Pitkin Marsh, near Forestville. Bordering the central part of the Pitkin Marsh Comment
  UCD35660  Lonicera hispidula Beecher Crampton 1959-6-16 5397 Sonoma 1 mile northeast of Freestone. Comment
  CAS-BOT-BC244010  Lonicera involucrata var. ledebourii Peter Rubtzoff 1962-8-22 5047 Sonoma Bodega Bay Marsh Comment
  UC28550  Lonicera involucrata var. ledebourii Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  SEINET12327831  Lonicera ledebourii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -148 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  CAS-BOT-BC200970  Lotus Peter Rubtzoff 1983-8-28 9682 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  UCD106700  Lotus angustissimus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-6 134 Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR142041  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma North Coast, Fort Ross; bank of roadcut, State Highway 1 61 Comment
  UCSB31801  Lotus corniculatus Townsend, J. 1977-5-21 Sonoma North side of Calif. State 12, 1 mile east of Freestone 304 Comment
  SEINET12165325  Lotus crassifolius Unknown 1985-1 RR 50572 Sonoma W side of Dry Creek Valley, N of Crane Ck, S of Bradford Mt, headwaters of Wine Crk 305 Comment
  SEINET7075495  Lotus humistratus A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  HSC98263  Lotus humistratus S. N. Wiemeyer 1962-4-20 29 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UC1277995  Lotus junceus var. biolettii B. Crampton 1957-7-22 4370 Sonoma 0.9 mi s of Stewart's Point (along State Highway 1); State Highway 1 Comment
  POM18333  Lotus scoparius var. scoparius A. A. Heller 1902-6-26 7473 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  RSA27256  Lotus scoparius var. scoparius Marcus E. Jones 1902-7-18 s.n. Sonoma Duncans Mills Comment
Read comments
Nov 19 2011
  RSA568548  Lotus unifoliolatus E. A. Purer 1932-7-24 4071 Sonoma West of Santa Rosa. Comment
  CAS-BOT-BC249321  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  JEPS86738  Ludwigia hexapetala Jack and Betty Guggolz 1990-9-25 1097 Sonoma Russian R. at road crossing below (e. of) Asti; Russian R. 73 Comment
  UCD66029  Ludwigia hexapetala B. J. Grewell 2006-11-17 06- 96 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Blucher Creek confluence, CA-Dept Fish and Game's Laguna Wildlife Area, downstream of Todd Rd Bridge s. of Sebastopol. 22 Comment
  RSA800128  Ludwigia palustris Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC251278  Ludwigia palustris Peter Rubtzoff 1955-4-23 1787 Sonoma Bennett Mountain Lake. Comment
  RSA800126  Ludwigia palustris Peter Rubtzoff 1969-8-24 6149 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC157979  Ludwigia peploides Peter Rubtzoff 1958-9-6 3969 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road) Comment
  CAS-BOT-BC198251  Lupinus Mrs. H. C. Cantelow 1936-4-5 1183 Sonoma Fort Ross Grade Comment
  CAS-BOT-BC201226  Lupinus A. A. Heller 1937-5-1 s.n. Sonoma Base of the bluff north of the town of Bay, Bodega Bay Comment
  CAS-BOT-BC195972  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48163 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  CAS-BOT-BC196152  Lupinus albifrons var. douglasii F. W. Johnson 1890-9-10 57 Sonoma Santa Rosa Comment
  UC130309  Lupinus arboreus J. Burtt Davy 1896-3-13 1646 Sonoma Duncan's Mills Comment
  HSC14798  Lupinus bicolor R. Spellenberg, D. Sutherland, , A. Sylvester 1966-3-26 1338 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Rd. Comment
  UC796636  Lupinus bicolor Ira L. Wiggins 1949-4-30 12066 Sonoma 4 mi w Calistoga (just w of the county line); w of Calistoga Comment
  RSA105076  Lupinus bicolor subsp. tridentatus Alice Eastwood 1921-4-24 10269 Sonoma Santa Rosa 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
  UCD108132  Lupinus latifolius Christine Lee 1993-4-24 95 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  UC130321  Lupinus latifolius var. latifolius Miss Alice King Apr. 1897 Sonoma Healdsburg Comment
  UC479108  Lupinus luteolus Marcus E. Jones, A. M. 1931-7-5 28954 Sonoma The Geysers Comment
  NY15940  Lupinus lutosus A. A. Heller 1940-4-22 15546 Sonoma Alexander Valley. Lower Sonoran Life Zone. Comment
  OBI56912  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1418 Sonoma Roadside, D St. (Petaluma-Reyes Rd) 1.4 mi S Petaluma Blvd in Petaluma Comment
  SD37910  Lupinus microcarpus var. microcarpus Edith A. Purer 1932-7-24 Sonoma near Bodega Bay, roadside in Santa Rosa Canyon Comment
  UCD108932  Lupinus nanus Frederica Bowcutt 1996-3-24 2083 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  SEINET12165155  Lupinus polycarpus W. Knight, Kinight, I.; DrEdwards, S. 1986-1 5337 Sonoma Geyser Peak - access from Healdsburg-Geysers Rd 853 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
  CAS-BOT-BC207257  Lupinus sericatus Walter Knight; Steve Edwards 1985-11-17 5183 Sonoma Ridge northwest of summit on Kortum Canyon Road Comment
  SEINET11091467 Image available Lupinus sericatus John Thomas Howell 1935-5-5 3672 Sonoma Near summit of Triniti P.O Road, Mt. Hood Range, Sonoma co Comment
  SEINET6932747 Image available Lupinus vallicola subsp. apricus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Cove at Bodega Head. Comment
  UC1129737  Lupinus variicolor H. S. Yates 1934-4-21 3776 Sonoma near Bodega; Sebastopol Quadrangle Comment
  SBBG125951  Lupinus variicolor D. Huang 2006-5-30 06053006 Sonoma Bodega Marine Laboratory, coastal bluff near building 2 Comment
  SEINET13198378 Image available Lupinus versicolor A. G. Vestal 1947-5-13 s.n. Sonoma Comment
  CAS-BOT-BC210019  Luzula Peter Rubtzoff; Nancy Harrison 1978-6-11 9205 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley Comment
  UCD148314  Luzula Peter Rubtzoff 1951-9-3 741 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC210022  Luzula Peter Rubtzoff 1962-4-11 4793 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) Comment
  CAS-BOT-BC210065  Luzula Peter Rubtzoff 1955-6-4 1900 Sonoma Forestville Marsh Comment
  SEINET7075563  Luzula comosa 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
  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
  CAS-BOT-BC436743  Luzula comosa var. comosa Peter Rubtzoff 1951-6-7 131 Sonoma Pitkin Marsh. near Forestville. Western branch of the Upper Marsh Comment
  RSA244326  Luzula comosa var. comosa Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1089 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UCD161823  Luzula comosa var. comosa James A. Neilson Jr. 1975-5-23 3217 Sonoma Truit Creek at Big Sulphur Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  UC1133745  Luzula macrantha B. O. Schreiber 1938-2-27 2466 Sonoma 2 miles WNW of Mark West Spr.; Healdsburg Quad. Comment
  UCR105439  Lythrum hyssopifolia Peter Rubtzoff 1954-7-4 1521 Sonoma SW area adjoining Austin Creek Marsh Comment
  CAS-BOT-BC173551  Madia Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC344042  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  RSA81543  Madia elegans subsp. densifolia James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  UC400141  Madia exigua Ynes Mexia 1929-6-2 2391 Sonoma near Mark West Springs Comment
  POM194541  Madia exigua Y. Mexia 1929-6-2 2391 Sonoma Near Mark West Springs Comment
  JEPS128310  Madia gracilis Roger Raiche 2000-5-27 106 .00 Sonoma The Cedars, road into The Cedars at bridge (before 2nd crossing. Lower Russian River, Big Austin Creek watershed. Comment
  UCD148469  Madia gracilis Peter Rubtzoff 1964-6-24 5366 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC343448  Madia gracilis John H. Thomas 1966-5-8 11601 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC345215  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma Near Kenwood Comment
  CAS-BOT-BC345216  Madia sativa H. M. Hall 1931-5-28 13105 Sonoma Bodega Bay Comment
  CAS-BOT-BC345254  Madia sativa Walter Knight; Irja Knight 1963-9-11 250 Sonoma Live Oak Rd, Petaluma Comment
  POM225355  Madia sativa J. T. Howell 1932-9-18 10765 Sonoma South base of Mt. Hood, on Sonoma Creek Comment
  CAS-BOT-BC511574  Maianthemum racemosum subsp. amplexicaule Greg de Nevers 1993-4-27 1994 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek east of 3865 Franz Valley Rd. 457 Comment
  POM187938  Malacothrix floccifera Marcus E. Jones 1931-8-3 29094 Sonoma Cloverdale. Comment
  SEINET11993721  Malvella leprosa W. Knight, Knight, I. 1984-1 5425 Sonoma Willow Creek Rd 61 Comment
  HSC7020  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi. NE of Graton 30 Comment
  SBBG32440  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi NE of Graton 30 Comment
  UCD125013  Marrubium vulgare M. Barbour 1970-11-30 s.n. Sonoma Bodega Marine Station. Comment
  UCD134584  Matricaria discoidea Gerry North 1993-4 23 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
  RSA264722  Matricaria matricarioides Peter Rubtzoff 1972-5-25 6773 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC348310  Matricaria occidentalis Peter Rubtzoff 1970-5-30 6239 Sonoma 5 mi. north of Sears Point Comment
  RSA264723  Matricaria occidentalis Peter Rubtzoff 1974-5-19 7446 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  JEPS46174  Meconella californica Eleanor Armstrong 1933-4-15 741 Sonoma Bodega Hill Comment
  CAS-BOT-BC268063  Medicago Peter Rubtzoff 1973-8-21 7246 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC269510  Melica californica David L. Morgan 1961-4-15 s.n. Sonoma Bohemian Highway 3 miles north of Occidental Comment
  CAS-BOT-BC269515  Melica californica John Thomas Howell 1934-3-26 11791 Sonoma 12 miles from Calistoga on Alexander Valley road Comment
  UCD87214  Melica californica R. Tofsrud 1941-4-1 295 Sonoma S.R. Creek Cy. Comment
  UCD87221  Melica californica R. Tofsrud 1947-7-2 175 Sonoma 6 Comment
  UC1132265  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  UCD160976  Melica geyeri James A. Neilson Jr. 1975-7-8 3338 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  CAS-BOT-BC281391  Melica harfordii H. S. Yates 1936-5-16 5612 Sonoma 1 mile NW of Mountain View Comment
  UCD32526  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Sonoma County, 2.5 miles north of Guerneville, on roadside banks. Comment
  UCD87571  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mile SW of Petrified Forest 274 Comment
  UC60773  Melica harfordii J. Burtt Davy 1896-7-29 Sonoma Redwood Ridge; Russian River Comment
  UCD88631  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CHSC33997  Melica torreyana J. D. Prouty 1980-4-12 859 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi W of junction with Petrified Forest Road. 256 Comment
  OBI22007  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi N of Sonoma 61 Comment
  POM118379  Melica torreyana Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  POM204779  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  UC1146646  Melica torreyana Freed W. Hoffman 1941-6-1 2187 Sonoma Oregon Canyon; North Coast Ranges Comment
  UCD88809  Melica torreyana E. Armstrong 1934-3-26 912 Sonoma 3 mile N.W. of Camp Meeker. 121 Comment
  SEINET6205052  Melica torreyana L. S. Rose 1965-1 65022 Sonoma 1 mi N of Sonoma Comment
  UCD89200  Melica torreyana R. Tofsrud 1942-4-1 300 Sonoma Stream bank 3 mi. east of Mark West resort on same road. Comment
  UCD89203  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma Road to 'Top O'World. Comment
  HSC15018  Melilotus indicus S. N. Wiemeyer 1962-4-20 30 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD81449  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma Sonoma. Comment
  CAS-BOT-BC164353  Mentha Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  CAS-BOT-BC164362  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  RSA785662  Mentha Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  RSA785663  Mentha Peter Rubtzoff 1966-10-9 5831 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC164092  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164694  Mentha spicata Peter Rubtzoff 1973-8-28 7275 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166975  Mentha spicata Peter Rubtzoff 1968-8-24 5936 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166976  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Vacation Beach, near Guerneville. Comment
  UCR244651  Mentha spicata Peter Rubtzoff 1975-8-28 8360 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC164691  Mentha spicata Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC322615  Micropus amphibolus John Thomas Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente Comment
  RSA54045  Micropus amphibolus J. T. Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente. Comment
  RSA201428  Micropus amphibolus J. T. Howell 1965-3-25 s.n. Sonoma 3 miles southeast of Sonoma 76 Comment
  CAS-BOT-BC348732  Microseris bigelovii Alice Eastwood 1915-6-29 4870 Sonoma Bodega Point Comment
  SEINET11601909 Image available Microseris bigelovii P. Kamb, F. Chisaki 1952-6-21 2304 Sonoma Fort Ross Comment
  CAS-BOT-BC320496  Mimulus Peter Rubtzoff 1955-8-20 2064 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC312701  Mimulus Peter Rubtzoff 1964-8-26 5476 Sonoma Marsh 5 miles northeast of Penngrove on Lichan Road. 213 Comment
  UCR222566  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16235 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  UCD122508  Mimulus cardinalis K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  UCR248894  Mimulus guttatus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh Comment
  UCR275257  Mimulus guttatus Peter Rubtzoff 1959-6-20 4171 Sonoma Willow Creek Marsh 9 Comment
  RSA0022511  Mimulus guttatus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  UC26956  Mimulus kelloggii H. N. Bolander 1864-1 3951 Sonoma near Pine Mt.; The Geysers Comment
  SBBG83869  Mimulus nudatus L. F. LaPre 1986-6-3 Sonoma Dorr Place, 4 mi up private road from Mannings Flats in Austin Crk State Recreation Area, 6 mi N of Cazadero on upper Austin Crk 207 Comment
  UCR44927  Mimulus nudatus L. F. LaPre 1986-6-3 s.n. Sonoma Dorr Place, 4 mi up a private road from Mannings Flats in Austin Creek State Recreation Area, 6 mi north of Cazadero on upper Austin Creek 207 Comment
  POM5035  Mimulus tricolor Katherine Brandegee 1905-6-8 s.n. Sonoma Along electric line near Santa Rosa. 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
  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-BC366893  Miscanthus sinensis Greg de Nevers 1997-10-9 11103 Sonoma Downtown Santa Rosa, at Post Office Comment
  UCD167562  Monardella James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. 1/4 mile north of Black Hawk Ranch. Banks above Squaw Creek. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  CAS-BOT-BC220387  Monardella purpurea Milo S. Baker 1946-7-4 11524 Sonoma Harrison Grade Rd. ca 2 mi N.E. of Occidental Comment
  CLARK-A1528-3154  Monardella villosa John C. Roos 1950-7-22 4868 Sonoma Jenner 30 Comment
  CHSC67999  Monardella villosa subsp. franciscana Jack Guggolz 1991-6-19 1194 Sonoma About 1/8 mile from the ocean and 1/2 mile south of the intersection of the Meyers Grade and Hwy 1. 182 Comment
  CAS-BOT-BC314184  Monardella villosa subsp. villosa John Thomas Howell 1930-7-27 5407 Sonoma 1 mile N of Fort Ross 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
  SEINET12324056  Monardella viridis W. Knight, Knight, I. 1982-1 4600 Sonoma 2 mi up Pythian Road from Los Guilicos School for Girls near Kenwood, on Hoods Peak 305 Comment
  NY342239  Montia clara A. A. Heller 1902-4-16 5313 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC445005  Montia fontana Peter Rubtzoff 1955-4-23 1775 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC445006  Montia fontana Peter Rubtzoff 1967-5-21 5841 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  SJSU476  Morus alba A. W. Jacobs 1940-5-29 Sonoma Luther Burbank Gardens, Santa Rosa Comment
  CAS-BOT-BC101799  Myrica californica John Thomas Howell; J. W. Stacey 1936-7-26 12687 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC251160  Myriophyllum hippuroides Peter Rubtzoff 1962-8-3 5021 Sonoma Atascadero Creek Marsh. Comment
  RSA216139  Najas guadalupensis Peter Rubtzoff 1955-7-30 1996 Sonoma Bennett Mountain Lake Comment
  UCD161373  Nassella lepida James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  SEINET257981  Nassella manicata Mary E. Barkworth, D. Amme 1989-5-15 5170 Sonoma About 2 mi. N of Jenner on US 1. Comment
  CAS-BOT-BC260276  Nassella pulchra Bolander 1864-4-1 s.n. Sonoma Mark West Creek Comment
  POM207022  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma. Comment
  UC1133204  Nassella pulchra H. S. Yates 1937-5-30 6549 Sonoma 4 mi nw Graton; Sebastopol Quadrangle Comment
  UCD87696  Nassella pulchra H. S. Yates 1934-4-21 3780 Sonoma Near Bodega. 60 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-BC60515  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC60518  Nasturtium officinale Peter Rubtzoff 1955-8-13 2046 Sonoma Duncans Mills Marsh. In upper portion of marsh. Comment
  UCD116060  Nasturtium officinale Ella Dales Cantelow 1938-5-7 2389 Sonoma 8 mi. S. of Fort Ross. Comment
  RSA73731  Navarretia cotulifolia F. W. Peirson 1925-8-8 6339 Sonoma 6 miles south of Santa Rosa Comment
  JEPS70315  Navarretia heterodoxa W. L. Jepson 1895-8-30 20959 Sonoma near Napa Valley; Petrified Forest Comment
  UC583200  Navarretia leucocephala subsp. bakeri Alice Eastwood and John Thomas Howell 1936-5-19 2520 Sonoma 2 mi n Windsor Comment
  UC631637  Navarretia leucocephala subsp. bakeri G. Thomas Robbins 1937-5-23 186 Sonoma near Wright School Comment
  UC1299600  Navarretia squarrosa Freed W. Hoffman 1946-8-20 866 Sonoma western slope of Napa Range, Trinity Road, at quarry North Coast Ranges, Napa Range Comment
  UC1784136  Navarretia squarrosa Ethel Crum 1930-1 738 Sonoma Petaluma Comment
  UCD37162  Navarretia squarrosa Beecher Crampton 1957-7-22 4393 Sonoma Sonoma County, Sonoma Coast State Park, 11.7 miles south of Stewart's Point, along State Highway 1. Comment
  UC1719841  Navarretia tagetina David Fruchter 1978-9-17 94 -2 Sonoma Glen Ellen Comment
  UCD39803  Navarretia tagetina Collector Unknown 1947-5-16 Sonoma 4.5 miles E. of Windsor. Comment
  CDA11012  Nemophila heterophylla G. F. Hrusa 1993-3-14 10526 Sonoma North Coast Biodiversity Arena; E side of Knights Valley. NW base of Mt. St. Helena. Foote Ranch, approx 10 m N of Calistoga on Hwy 128. 0 Comment
  POM125417  Nemophila heterophylla Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena. 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
  UCD158879  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-3-27 s.n. Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UCSB13213  Nemophila menziesii var. atomaria Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Bodega State Park Comment
  CAS-BOT-BC231195  Nemophila parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC230567  Nemophila parviflora var. parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC173515  Nicotiana Peter Rubtzoff 1970-9-13 6387 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  UCR279605  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, c. 1 mile SE of Trenton 30 Comment
  CAS-BOT-BC400128  Nuphar polysepala Mary P. Wells 1984-8-9 434 Sonoma Sagpond near airstrip, Timber Ridge Road, The Sea Ranch Comment
  JEPS76925  Oemleria cerasiformis Robert M. Lloyd 1963-2-24 2054 Sonoma 4 mi s State Highway 12 (on State Highway 1) 15 Comment
  RSA227200  Oenanthe sarmentosa Peter Rubtzoff 1955-9-24 2154 Sonoma Duncan Mills Marsh Comment
  UCD127440  Oenanthe sarmentosa Frederica Bowcutt 1994-7-5 1941 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 S edge of Sonoma Creek just upstream from confluence with Bear Creek. Immed. E of Goodspeed Trail Bridge over Sonoma Creek. N of Adobe Canyon Road about 60 ft. 225 Comment
  UCD15529  Oenothera cheiranthifolia Gregory J. Lowenberg 1988-4-16 22 Sonoma 100 m E. of Horshoe Cove, Bodega Head. 12 Comment
  SEINET7067235  Oenothera spiralis A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  CAS-BOT-BC376284  Olea europaea Greg de Nevers 1995-5-9 10723 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In quarry by Ward House 487 Comment
  UCSC000707  Orobanche fasciculata Merle Randall 1930-9-6 s.n. Sonoma Cliff, shore above mouth of Russian River Russian River Comment
  CAS-BOT-BC500194  Orobanche fasciculata G. de Nevers ; F. Almeda; Debbie Wilson 1982-5-8 2001 Sonoma Pepperwood Ranch: on a little know on the N slope of the High Hill E of 3 Tree Hill Comment
  POM15637  Orthocarpus attenuatus A. A. Heller, H. E. Brown 1902-4-16 5312 Sonoma Fields east of Santa Rosa Comment
  RSA184858  Orthocarpus erianthus L. S. Rose 1965-4-4 65018 Sonoma Sonoma. 24 Comment
  POM252803  Orthocarpus erianthus var. roseus A. A. Heller 1938-5-14 15083 Sonoma The bluff north of Bodega Bay and along the roadside south of the town of Bay. Comment
  POM210213  Orthocarpus faucibarbatus H. E. Parks 1930-5-9 s.n. Sonoma Knights Valley, Comment
  RSA34066  Orthocarpus faucibarbatus A. A. Heller 1928-5-14 15090 Sonoma Just east of the town of Bodega. Comment
  CAS-BOT-BC7001  Orthocarpus faucibarbatus var. albidus David Daniels Keck; Jens Chr. Clausen 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth Comment
  HSC24669  Oxalis oregana F. Demostene 1966-4-12 42 Sonoma 25 mi. W of Healdsburg. Comment
  UC35989  Packera eurycephala var. eurycephala H. N. Bolander 1864-1 3963 Sonoma at the Geysers Geysers Comment
  SEINET11808775  Packera greenei Unknown 1986-1 60290 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, near head of Black Rock Creek 747 Comment
  UC91652  Packera greenei Brandegee May 1890 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC227645  Panicum Peter Rubtzoff 1978-9-10 9263 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on S. Fitch Mountain Road. Comment
  CAS-BOT-BC227646  Panicum Peter Rubtzoff 1973-8-20 7243 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA94264  Panicum acuminatum var. acuminatum Peter Rubtzoff 1951-6-7 134 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  UCD32826  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 d Sonoma North East part of 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.). 493 Comment
  UCD33493  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD89134  Panicum acuminatum var. thermale A. R. Kruckeberg 1949-6-4 S 21 Sonoma Sulphur Creek.Big Geysers. Comment
  SEINET3277114 Image available Panicum thermale Leo Koch 1940-4-22 825 Sonoma Slopes around Sulfur Creek Geysers, east of Cloverdale, Inner North Coast Ranges. Comment
  UC1146648  Parapholis incurva Freed W. Hoffman 1941-6-22 2194 Sonoma Sonoma Coast mouth of Salmon Creek; North Coast Ranges, , Sonoma Coast Comment
  CAS-BOT-BC259694  Paspalum dilatatum G. DeNevers 1981-6-6 1448 Sonoma Pepperwood Ranch. At the first Pepperwood entrance; Along Franz Valley Road, also at the green house Comment
  CAS-BOT-BC265687  Paspalum distichum Peter Rubtzoff 1958-8-16 3868 Sonoma Laguna de Santa Rosa north of Sebastopol, near Occidental Road Comment
  CAS-BOT-BC265692  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  SEINET10919041  Passiflora Elizabeth M. McClintock 1977-4-17 McClintock s.n. Sonoma Western Hills Nursery, Occidental. Comment
  CAS-BOT-BC202869  Paxistima myrsinites W. Knight; I. Knight; Dr. Steve Edwards 1986-6-9 5444 Sonoma Annadel State Park Comment
  CDA11181  Pedicularis densiflora G. F. Hrusa 1988-2-21 5499 Sonoma North Coast Biodiversity Arena; Sugarloaf Ridge State Park. on Red Mountain Trail. Comment
  UCD165222  Pelargonium Peter Rubtzoff 1974-6-9 7585 Sonoma Upper Green Valley Marsh area. Comment
  SEINET12183627  Pelargonium grossularioides H. K. Wagnon 1989-1 1894 Sonoma around Jack London's Original ?, Jack London State Park Comment
  UC62502  Pellaea andromedifolia J. Burtt Davy 1894-12-9 863 Sonoma Kenwood Comment
  CDA14391  Pennisetum clandestinum L. Correia 1996-4-15 Sonoma from vacant lot in San Francisco to be planted at Thornton Ranch, 19600 Brookline, Sonoma. 0 Comment
  SEINET5501471 Image available Penstemon heterophyllus Sally Walker 1981-6-8 s.n. Sonoma E side of Mt St Helena 610 Comment
  NY601758  Penstemon heterophyllus var. purdyi A. A. Heller 1902-5-29 5625 Sonoma Mount Hood Comment
  SEINET12335254  Pentagramma triangularis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -272 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC222743  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  UC1312868  Perideridia gairdneri subsp. gairdneri L. Constance and T. I. Chuang with Robert Ornduff and Peter Rubtzoff 1965-10-2 3766 Sonoma marsh on creek 1 mi nw Graton; Atascadero Creek 182 Comment
  UC1329520  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  UC106533  Perideridia kelloggii J. W. Congdon 1880-8-2 Sonoma Santa Rosa Road Comment
  UCD127637  Perideridia kelloggii Frederica Bowcutt 1997-7-19 2189 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.5 air mile SE of Red Mountain. Along Vista Traihead, just E. of Bald Mtn Trail and vernal pond. 579 Comment
  CAS-BOT-BC413638  Persicaria amphibia Peter Rubtzoff 1971-6-25 6555 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413640  Persicaria amphibia Peter Rubtzoff 1971-6-25 6557 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  UCD99359  Persicaria amphibia Ann F. Johnson 1979-6-19 s.n. Sonoma South of entrance road to Bodega Dunes State Park. Comment
  CAS-BOT-BC418915  Persicaria hydropiperoides Peter Rubtzoff 1963-10-5 5290 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC418916  Persicaria hydropiperoides Peter Rubtzoff 1956-9-15 2897 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419117  Persicaria lapathifolia Peter Rubtzoff 1966-9-25 5822 Sonoma Laguna de Santa Rosa east of Graton betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419123  Persicaria lapathifolia Walter Knight; Irja Knight 1963-9-29 219 Sonoma On Bodega Ave near Cleveland Lane-Petaluma Comment
  CAS-BOT-BC419267  Persicaria maculosa Peter Rubtzoff 1968-9-21 5978 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC419275  Persicaria maculosa Peter Rubtzoff 1954-7-29 1614 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419276  Persicaria maculosa Peter Rubtzoff 1959-6-20 4153 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC258009  Persicaria punctata Peter Rubtzoff 1973-8-20 7224 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC419429  Persicaria punctata Peter Rubtzoff 1955-9-24 2156 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419430  Persicaria punctata John Thomas Howell 1932-9-18 10770 Sonoma Bed of slough draining Kenwood Marsh Comment
  JEPS128227  Petrorhagia prolifera Roger Raiche 2000-5-4 076 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD161297  Petrorhagia prolifera James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3718 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UC1084444  Phacelia G. Thomas Robbins 1940-3-22 304 Sonoma along Guerneville rd ca 8 mi w Santa Rosa Comment
  UC1333289  Phacelia californica Malcolm L. Byce 1936-3-21 147 Sonoma 1 1/2 mi e Bodega Bay; Larkspur Rock Comment
  UC909989  Phacelia californica Alice Eastwood 1915-6-5 4623 Sonoma Petrified Forest Comment
  UCD120297  Phacelia californica P. G. Connors 1991-7-3 194 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  RSA26574  Phacelia distans J. T. Howell 1930-6-8 5274 Sonoma North end of Bodega Bay. Comment
  SD130514  Phacelia distans F. Almeda, G. DeNevers 1981-4-28 4902 Sonoma 0.5 mile from main gate to Pepperwood Rancdh Natural Preserve, just off Franz Valley Road. Comment
  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
  SEINET12335289  Phacelia imbricata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -248 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SD99425  Phacelia imbricata var. imbricata Christopher Davidson 1977-6-20 6019 Sonoma Dry Creek Road, 9.3 miles west of Geyserville. 91 Comment
  UC444442  Phacelia suaveolens E. L. Greene Aug. 1888 Sonoma Petrified Forest; ; Petrified Forest, Sonoma Co. Comment
  CAS-BOT-BC154987  Phalaris Peter Rubtzoff; Nancy Harrison 1978-5-20 9175 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  CAS-BOT-BC331488  Phalaris Peter Rubtzoff 1972-6-11 6777 Sonoma Laguna, Chileno Valley. Comment
  UCD166121  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC258952  Phalaris aquatica Peter Rubtzoff 1959-6-13 4137 Sonoma Sonoma County Marshes. Willow Creek Marsh Comment
  CAS-BOT-BC258949  Phalaris aquatica Walter Knight; Irja Knight 1963-9-11 281 Sonoma Live Oak Road, Liberty Dist. Petaluma Comment
  UC1146650  Phalaris arundinacea Freed W. Hoffman June 1944 2027 Sonoma near Guerneville; North Coast Ranges Comment
  UCD88771  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  UC1011001  Phalaris lemmonii Virginia Bufford 1935-5-3 31 Sonoma vicinity Santa Rosa; Santa Rosa vicinity Comment
  UCR280017  Phalaris lemmonii Peter Rubtzoff 1974-5-11 7406 Sonoma Laguna de Santa Rosa, east of Sebastopol, south of Hwy [12] crossing 20 Comment
  CAS-BOT-BC265912  Phalaris lemmonii David L. Morgan 1961-5-4 s.n. Sonoma Field on Stony Point Road near Graventein Highway Comment
  UCD88894  Phalaris lemmonii Beecher Crampton 1965-5-13 7342 Sonoma 4 miles S of Geyserville, Lytton. Comment
  UCD89379  Phalaris paradoxa Beecher Crampton 1959-6-16 5369 Sonoma 0.2 miles E of Occidental. Comment
  HSC101099  Phalaris paradoxa Peter Warner 2011-8-10 227 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  UCD89316  Phleum alpinum P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  JEPS128308  Phlox speciosa Roger Raiche 2000-5-21 103 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this not the name on USGS topo sheets.) Gualala River, Wheatfield Fork watershed. Comment
  UC762700  Phoradendron densum Robert F. Hoover 1941-6-7 5311 Sonoma 2 mi. s.e. Monte Rio (on rd. to Camp Meeker) Comment
  UCD102226  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
  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
  RSA247439  Phoradendron macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd). Comment
  HSC100873  Photinia fraseri Peter Warner 2011-4-6 187 Sonoma Santa Rosa, Howarth Park, along foot-trails S of Lake Ralphine, N of Medica Ct. and Slate Dr. 112 Comment
  RSA227242  Phyla nodiflora Peter Rubtzoff 1958-7-26 3806 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CDA16372  Phyllospadix scouleri G. F. Hrusa 2000-11-13 15717 Sonoma Kortum trail head to Goat Rock. Comment
  UC1977004  Phyllospadix scouleri H. W. Johansen 1963-5-26 1153 Sonoma Bodega Head. S. Shsore, Horseshoe C. Comment
  CAS-BOT-BC140615  Physocarpus capitatus Lester Rowntree 1932-6-11 s.n. Sonoma Bodega Comment
  CAS-BOT-BC140616  Physocarpus capitatus Peter Rubtzoff 1951-6-12 282 Sonoma Northern half of Lower Marsh Comment
  UC466693  Physocarpus capitatus W. P. Taylor 1913-6-23 Sonoma 7 W.[?] Cazadero (along creek at Niestrth's[?]) 304 Comment
  UCD108156  Pickeringia montana Frederica Bowcutt 1994-6-25 1923 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  POM20257  Pickeringia montana var. montana A. A. Heller 1902-6-23 5740 Sonoma Petrified Forest 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
  POM316057  Pinus muricata Patricia Wilder 1965-6-10 3652 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  UCR46049  Piperia unalascensis L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  CAS-BOT-BC173584  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR255871  Plagiobothrys Greg de Nevers 1992-5-24 10155 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  CAS-BOT-BC156308  Plagiobothrys Peter Rubtzoff 1970-5-16 6231 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC157649  Plagiobothrys Peter Rubtzoff 1971-5-8 6430 Sonoma E foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive. Comment
  CAS-BOT-BC157652  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC488330  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  CDA13131  Plagiobothrys bracteatus G. F. Hrusa, R. Gross 1996-6-3 13066 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UCD33098  Plagiobothrys bracteatus Beecher Crampton 1966-5-10 7729 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  JEPS21216  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  RSA786924  Plagiobothrys nothofulvus Carrie A. Herd 1982-3-14 20 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UC725293  Plagiobothrys reticulatus A. A. Heller 1938-5-14 15081 Sonoma just back of the sea n of bay Bodega Bay 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
  RSA8384  Plagiobothrys reticulatus var. rossianorum L. S. Rose 1933-5-9 33155 Sonoma Bodega Bay. Comment
  SEINET3292823 Image available Plagiobothrys scouleri Lewis S. Rose 1933-5-9 33155 Sonoma Bodega Bay Comment
  UC881346  Plagiobothrys stipitatus Milo S. Baker 1935-5-1 8076 Sonoma Bennett Valley Road Comment
  RSA0083877  Plagiobothrys stipitatus var. micranthus Peter Rubtzoff 1970-5-16 6230 Sonoma 5 miles north of Sears Point Comment
  RSA785153  Plagiobothrys stipitatus var. stipitatus Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCD121027  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2410 Sonoma 3 miles west of Fulton, along Woolsey Road, below Mt. Olivet School. Comment
  UCR280147  Plagiobothrys tener var. tener Peter Rubtzoff 1972-4-23 6735 Sonoma North Coast Range, 4.25 miles west of Glen Ellen on Bennett Valley Road 220 Comment
  CAS-BOT-BC293681  Plantago Peter Rubtzoff 1958-7-19 3763 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS128243  Plantago erecta Roger Raiche 2000-5-4 070 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA177988  Plantago erecta Robert F. Thorne 1965-4-20 34342 Sonoma Top of Parker Hill ( N end of Parker Hill Road). ca. 3 miles N of Santa Rosa 244 Comment
  UC66146  Plantago erecta A. A. Heller 1902-3-27 5167 Sonoma w base of Mt. Hood Mt. Hood Comment
  UCD124491  Plantago erecta Valerie Bullock; Erik Beever, Rimy Waraich, Patti Togioka 1993-5-8 219 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 wooded area. 365 Comment
  UCD160860  Plantago lanceolata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3289 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
  JEPS19390  Plantago subnuda G. Thomas Robbins 1937-5-23 207 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  UC118438  Platystemon californicus T. S. Brandegee May 1890 Sonoma Cloverdale Comment
  UC573374  Pleuropogon californicus H. S. Yates 1937-6-5 6675 Sonoma near Wildwood 121 Comment
  UCR119120  Pleuropogon californicus Beecher Crampton 1955-4-5 2418 Sonoma Santa Rosa Area, 3 miles northwest of Cotati, Laguna de Santa Rosa, Llano Road 91 Comment
  UCD36835  Pleuropogon californicus Beecher Crampton 1956-3-12 3220 Sonoma Sonoma County, Alexander Valley Store. Comment
  CAS-BOT-BC260973  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-5-10 3648 Sonoma Laguna de Santa Rosa north of Cunningham near Todd Road Comment
  HSC82085  Pleuropogon californicus var. californicus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5128 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  RSA337037  Pleuropogon californicus var. californicus Edward Lee 1934-4-30 753 Sonoma 1 mile west of 2 Rock junction. Comment
  UCD90132  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2417 Sonoma 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road. Comment
  SEINET10611512  Pleuropogon californicus var. californicus A. Arthur Heller 1902-4-15 Heller 5294 Sonoma Santa Rosa. 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
  UC1446221  Pleuropogon hooverianus Paul But with Peter Rubtzoff 1974-4-6 P 3 Sonoma 0.5 mi from Freestone (along Bohemian Hwy at Freestone Flat Road) Comment
  UCR275258  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  RSA0021489  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma Kenwood Marsh Comment
  SEINET10590010  Poa Etcheverry 1928-4-22 ETCHEVERRY s.n. Sonoma Wilbur Springs. Comment
  UCD92202  Poa Collector Unknown 1941-3-1 378 Sonoma behind old S.R. Cemetary. Comment
  CAS-BOT-BC173704  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCD37531  Poa annua Beecher Crampton 1955-3-15 2325 Sonoma Sonoma County, town of Asti. Comment
  CAS-BOT-BC255611  Poa annua David L. Morgan 1956-4-5 s.n. Sonoma On Gold Ridge Road, near junction of Burnside Comment
  UCD91046  Poa douglasii P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC255839  Poa kelloggii Mary P. Wells 1981-4-18 s.n. Sonoma Near So. Fork Gualala River, The Sea Ranch Comment
  SEINET10602223  Poa nevadensis A. Arthur Heller 1902-4-9 Heller 5249 Sonoma In a railroad cut 3 miles South of Healdsburg. Comment
  RSA227234  Poa pratensis Peter Rubtzoff 1960-6-8 4465 Sonoma Fife Creek Marsh. Comment
  UC573876  Poa pratensis subsp. pratensis H. S. Yates 1936-5-16 5602 Sonoma 2 mi se Forestville (Pithens Marsh); Sebastopol Quadrangle Comment
  SEINET6858779 Image available Poa scabrella A. G. Vestal, Wanda P. Vestal 1962-1 s.n. Sonoma 1 mile east of Occidental. Comment
  POM204982  Poa secunda A. A. Heller 1902-4-9 5245 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC243243  Poa secunda subsp. secunda A. A. Heller 1902-4-9 5249 Sonoma In railroad cut 3 miles S of Healdsburg Comment
  CAS-BOT-BC243254  Poa secunda subsp. secunda G. DeNevers 1981-4-25 862 Sonoma Pepperwood Ranch. Roadside at Mark West Creek and Leslie Creek Comment
  CAS-BOT-BC243251  Poa secunda subsp. secunda Catherine Best 1985-4-27 s.n. Sonoma Monan's Rill, N of St. Helena Road and E of Calistoga Road Comment
  CAS-BOT-BC244190  Poa trivialis Peter Rubtzoff 1954-6-6 1469 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC244200  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  RSA227230  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC244262  Poa unilateralis David L. Morgan 1961-4-15 s.n. Sonoma Bodega Bay Comment
  UCD92135  Poa unilateralis Beecher Crampton 1971-6-6 8719 Sonoma Sonoma Coast State Park at Carmet. Comment
  UCD92150  Poa unilateralis P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC329227  Poaceae Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  CAS-BOT-BC371460  Poaceae Greg de Nevers 1989-6-8 9076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  HSC93551  Pogogyne douglasii G. Fred Hrusa, A. Buckmann 1996-10-5 13586 Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd., 2 mi. SW of Calistoga 700 Comment
  JEPS62432  Pogogyne douglasii W. L. Jepson 1921-6-2 9302 b Sonoma Windsor, just east of Calhoun Ranch Comment
  RSA83443  Pogogyne douglasii F. W. Peirson 1925-8-8 6340 Sonoma Field 6 miles south of Santa Rosa Comment
  POM233136  Pogogyne douglasii subsp. parviflora Lyman Benson 1930-6-18 2164 Sonoma South of Santa Rosa. 61 Comment
  RSA244745  Pogogyne douglasii subsp. parviflora Peter Rubtzoff 1971-6-23 6549 Sonoma 4.25 miles west of Glen Ellen Comment
  CAS-BOT-BC376254  Pogogyne serpylloides Greg de Nevers 1995-5-5 10719 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  CAS-BOT-BC232892  Polemonium carneum Milo S. Baker 1935-5-12 8072 Sonoma 1 mile E of Bodega Bay near Larkspur Comment
  UC1198995  Polygala californica Joseph P. Tracy 1933-5-1 12124 Sonoma Knight's Valley 152 Comment
  UCD136449  Polygala californica M. Rei Scampavia Evangelista 2012-5-20 13 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  RSA135339  Polygala californica Volney Rattan 1877-6-17 s.n. Sonoma Guernville Comment
  CAS-BOT-BC110533  Polygonum Peter Rubtzoff 1973-8-20 7231 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC376404  Polygonum Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 400 Comment
  CAS-BOT-BC164078  Polygonum arenastrum Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC414115  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1958-8-9 3828 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC414116  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville Comment
  JEPS103957  Polygonum californicum Jack and Betty Guggolz 1991-6-29 1201 Sonoma 195 Comment
  RSA234469  Polygonum hydropiper Peter Rubtzoff 1966-9-25 5821 Sonoma Laguna de Santa Rosa E of Graton, betw. Occidental and Guerneville Roads. Comment
  SD39936  Polygonum paronychia Edith A. Purer 1932-7-24 4072 a Sonoma Bodega Bay Comment
  RSA234570  Polygonum punctatum Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  UC6751  Polygonum ramosissimum J. Burtt Davy 1897-9-19 4048 Sonoma Petaluma; salt-marsh Comment
  UC42883  Polypodium F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  UC1606997  Polypodium calirhiza Margaret Rockwood and L. Esposito 1995-5-10 721 Sonoma ca. 3 km. nw of Bodega town; sw Sonoma Co. Comment
Read comments
Jan 4 2007
  CAS-BOT-BC76897  Polypodium calirhiza Milo S. Baker 1944-6-1 10886 Sonoma 1 1/2 mi N of Sonoma town in the hills along an established road. Comment
  CAS-BOT-BC76833  Polypodium glycyrrhiza J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  UCR222568  Polypodium glycyrrhiza George K. Helmkamp, E. A. Helmkamp 2010-6-5 16237 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
  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
  CHSC24750  Polypodium scouleri G. Strang 1976-2-14 1 Sonoma Mouth of Stockhoff Creek, Timber Grove. 15 Comment
  UCR254897  Polypogon Peter Rubtzoff 1968-9-21 5981 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC233003  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  RSA201192  Polypogon australis Peter Rubtzoff 1955-8-13 2044 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  UCD90986  Polypogon australis Peter Rubtzoff 1961-9-20 4754 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC233197  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  SEINET4889753  Polypogon interruptus L. Koch 1940-6-5 1012 Sonoma Hills behind Fountaingrove Vinyard, 3 miles north of Santa Rosa along HWY 101 Comment
  CAS-BOT-BC233221  Polypogon maritimus Greg de Nevers 1992-6-26 10209 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC233224  Polypogon maritimus Peter Rubtzoff 1969-11-2 6205 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC237401  Polypogon monspeliensis Walter Knight; Irja Knight 1968-1-1 2270 Sonoma Geysers Resort, along geyser trail up ravine Comment
  CAS-BOT-BC237404  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  UC1023579  Polypogon monspeliensis Virginia Bufford 1936-5-19 257 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UC65192  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Sonoma Comment
  UC62818  Polystichum californicum J. Burtt Davy 1896-3-13 1661 Sonoma Cazadero Comment
  UC727666  Polystichum californicum Milo S. Baker 1944-12-31 10889 Sonoma 1 1/2 mi w El Verano (Fowler Canyon) Comment
  SEINET11718542  Polystichum californicum W. Knight, Knight, I.; Ellman, P. 1986-1 5850 Sonoma Bouverie Audubon Preserve, 0.75 mi E of parking log along fire road 46 Comment
  SEINET10794020  Polystichum dudleyi Wendy Born Born s.n. Sonoma Armstrong Redwoods State Park, along road to the Pack Station, ca. 3/4 the way up (immediately across road from large downed tree, on right side of road). Population of P. dudleyi is on left side of road, ca. 100 plants, mixed with Polystichum hybrids, Dryopteris arguta. Comment
  SEINET11718543  Polystichum munitum W. Knight, Knight, I.; Ellman, P. 1986-1 5849 Sonoma Bouverie Audubon preserve, 0.75 mi E of parking lot on fire road 46 Comment
  UCD136548  Polystichum munitum Mary M. Hektner 1974-7-10 140 A Sonoma Unit 34-B Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UCR255055  Potamogeton Greg de Nevers 1992-8-16 10246 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  CAS-BOT-BC267131  Potamogeton M. S. Baker 1899-6-28 3653 b Sonoma Russian River, near mouth Comment
  CAS-BOT-BC274040  Potamogeton diversifolius Peter Rubtzoff 1964-7-14 5401 Sonoma Bennet Mountain Lake. Comment
  CAS-BOT-BC452161  Potamogeton diversifolius Peter Rubtzoff 1961-7-22 4668 Sonoma Bennett Mountain Lake. 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
  UCR280146  Potamogeton pectinatus Peter Rubtzoff 1971-9-30 6712 Sonoma Dune pond near U.C. Bodega Marine Laboratory 13 Comment
  CAS-BOT-BC454022  Potamogeton pectinatus Peter Rubtzoff 1955-9-9 2123 Sonoma Bodega Head Marsh. Comment
  UCD165770  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC141953  Potentilla anserina subsp. pacifica Peter Rubtzoff 1955-8-20 2066 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  HSC98398  Potentilla anserina subsp. pacifica James Faro 1962-4-17 28 Sonoma W side of Bodega Bay, N end Comment
  JEPS26116  Proboscidea louisianica subsp. louisianica Peter H. Raven, R. Snow 1958-7-23 13681 Sonoma along US Hwy 101 2.1 mi n junction to Skagg's Springs Comment
  RSA0014814  Proboscidea louisianica subsp. louisianica Peter H. Raven, Richard Snow 1958-7-22 13681 Sonoma Along United States Highway 101, 2.1 miles north of junction to Skagg s Springs. Comment
  CAS-BOT-BC516401  Prosartes hookeri Greg de Nevers 1993-3-24 10330 Sonoma Weimar Canyon, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 304 Comment
  UCD14312  Prosartes hookeri Jim Mosby 1984-4-15 3 Sonoma Salt Point, near Fort Ross. 15 Comment
Read comments
1
  CAS-BOT-BC517367  Prosartes smithii Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  UC1051657  Prunella vulgaris var. lanceolata Peter Kamb and Francia Chisaki 1950-6-16 1858 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
  RSA120750  Prunella vulgaris var. lanceolata S. S. Tillett 1956-6-20 568 Sonoma on hillside overlooking Drake Memorial, Drakes Bay, Point Reyes Peninsula Comment
  CAS-BOT-BC356923  Pseudognaphalium californicum Peter Rubtzoff 1952-6-10 1231 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC361623  Pseudognaphalium stramineum Alice Eastwood 1915-6-29 4884 Sonoma Bodega Point Comment
  CAS-BOT-BC361614  Pseudognaphalium stramineum Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC80184  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  UCR2993  Pseudotsuga menziesii Wm. Horn Jr. 1963-4-10 630410- 2 Sonoma San Francisco Bay, 0.5 mi N on Jonive Rd. at a point 5 mi west of Sebastopol on Bodega Highway Comment
  UCR279641  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Gratton 18 Comment
  UCD166085  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCD84284  Psilocarphus brevissimus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UC581109  Psilocarphus tenellus H. L. Mason 1934-4-28 8083 Sonoma Jensen's Ranch Dorhmann Creek Comment
  CAS-BOT-BC157682  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  RSA177987  Pteridium aquilinum var. pubescens R. F. Thorne 1965-4-20 34339 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UCD100924  Pterostegia drymarioides Arlene Johnston 1977-5-11 83 Sonoma Bodega Bay. Comment
  UC1348906  Pteryxia terebinthina var. californica Robert F. Thorne 1965-4-19 34306 Sonoma W.-facing serpentine slope in mixed evergreen forest; W of Stoetz Roadd off of Harrison Grade, ca. 2 miles NNE of Occidental 182 Comment
  CAS-BOT-BC460848  Pyrola aphylla W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5449 Sonoma Cherry Creek Road W of Cloverdale Comment
  CAS-BOT-BC94232  Quercus X eplingii G. De Nevers 1981-9-5 1814 Sonoma Pepperwood Ranch. At the Bottom of Hansel's driveway, by the bridge Comment
  RSA34658  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  UC424768  Quercus X morehus Milo S. Baker Jun 1929 3570 b Sonoma near Vine Hill School House 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
  RSA155532  Quercus agrifolia L. S. Rose 1960-9-14 60097 Sonoma Laguna de Santa Rosa, 4 miles NE of Graton. 15 Comment
  UC1173734  Quercus agrifolia Joseph P. Tracy 1939-10-14 16514 Sonoma 4 mi se Geyserville; Alexander Valley 121 Comment
  UC1193300  Quercus agrifolia P. Zinke 1950-4-25 111 Sonoma Pine Mt. Road, Quad 61A4 487 Comment
  UC503094  Quercus agrifolia Joseph P. Tracy 1930-11-30 9271 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  UCD45024  Quercus agrifolia Joseph P. Tracy 1939-10-14 16513 Sonoma Alexander Valley. Foothills 4 miles S.E. of Geyserville. Abundant tree. 121 Comment
  UCSB22673  Quercus agrifolia var. agrifolia McCarthy, Sharon 1965-4-16 Sonoma Approximately 0.5 mile north of bridge at Leveroni Rd., Sonoma 25 Comment
  SACT002627  Quercus chrysolepis M. Wiesendanger 1927-5-5 Sonoma Comment
  UCD45678  Quercus douglasii Peter H. Raven 1955-8-27 8757 Sonoma 3 miles north of Sears Point on State Route 37, Sonoma County. Comment
  UCD60446  Quercus douglasii K. Aram 2007-10-1 s.n. Sonoma From SW bank of Lake Sonoma reservoir. Comment
  CAS-BOT-BC79569  Quercus dumosa Milo S. Baker 1927-10-15 s.n. Sonoma Santa Rosa - St. Helena Road Comment
  SEINET12030397  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5078 Sonoma 0.4mi up Cavedale Rd from State Tr-12 91 Comment
  UCD101295  Quercus durata Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 970 Comment
  SEINET12030393  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  UCD45936  Quercus durata var. durata Maunsell Van Rensselaer 1941-10-12 s.n. Sonoma Rincon Ridge, Sonoma County, California. Comment
  UCD46175  Quercus garryana Rimo Baeigalupi 1958-11-23 6961 Sonoma On property of Fred H. Clemens, at junction of Arata Road and U.S. Highway 101, 4 miles south of Healdsburg. Comment
  UCD46076  Quercus garryana var. garryana Frederica Bowcutt 1996-5-19 2138 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 miles S of Red Mtn. in Adobe Canyon near office and corral. 396 Comment
  SFV17742  Quercus kelloggii J. M. Tucker 1952-9-20 2621 Sonoma Voight Ranch, about 1.25 miles (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse. Comment
  UCD46738  Quercus kelloggii John M. Tucker 1952-9-20 2620 Sonoma California, Sonoma Co.; Voight Ranch, ca. 1.25 mi (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  UCD46678  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles n of Sonoma hill slopes. 274 Comment
  CAS-BOT-BC62805  Quercus lobata Greg de Nevers 1981-9-5 1815 Sonoma Pepperwood Ranch, at Hansel's Corral, by the bottom of the Studio Road Comment
  CAS-BOT-BC62808  Quercus lobata Mary P. Wells 1984-6-4 327 Sonoma North Court Friends House, Rincon Valley, Santa Rosa Comment
  UC1193242  Quercus lobata G. W. Tourtillott 1950-4-28 13 Sonoma 1 mi (off) Hale Ranch; Sulphur Creek 213 Comment
  SEINET12034642  Quercus lobata L. H. Pammel 1899-1 112 Sonoma Asti Comment
  UCD47610  Quercus wislizeni var. frutescens Frederica Bowcutt 1994-6-25 1921 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. Confirmed by K. Mawdoley 21 Oct 1996. 670 Comment
  CAS-BOT-BC379156  Ranunculus aquatilis var. aquatilis Greg de Nevers 1993-3-7 10319 Sonoma Pepperwood Natural Preserve; 3450 Franz Valley Road, and surrounding sections 00000000000000000000000 305 Comment
  CAS-BOT-BC379155  Ranunculus aquatilis var. aquatilis G. de Nevers 1982-4-18 1947 Sonoma Pepperwood Ranch, aquatic in Hansel's Lake Comment
  SEINET12087446  Ranunculus californicus A. Eastwood, Howell, J. T. 1939-1 s.n. Sonoma Sonoma coast N of Bodega Bay Comment
  CAS-BOT-BC378690  Ranunculus californicus var. californicus Saichi Kawahara 1968-4-20 317 Sonoma Trinity Road, 1 mi northeast of Highway 12 152 Comment
  CAS-BOT-BC378701  Ranunculus californicus var. californicus John Thomas Howell 1931-4-2 6044 Sonoma Boyes Springs Comment
  CAS-BOT-BC378704  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -C Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  RSA82770  Ranunculus californicus var. cuneatus R. Miller 1949-4-6 28 Sonoma along coast beside Hwy1, 5 miles S of Jenner Comment
  CAS-BOT-BC83412  Ranunculus lobbii J. Penalosa 1961-5-24 1571 Sonoma Upper Stemple Creek Marsh. Comment
  UC75778  Ranunculus lobbii Miss M. Alice King April, 1897 Sonoma near Healdsburg Comment
  UCR72032  Ranunculus lobbii Peter Rubtzoff 1962-4-11 4796 Sonoma Americano Creek area just south of Bloomfield. Open pond near Petaluma(?)-Valley Ford Road Comment
  RSA534577  Ranunculus muricatus Peter Rubtzoff 1957-4-28 3292 Sonoma Duncans Mills Marsh Comment
  RSA178035  Ranunculus muricatus Robert F. Thorne 1965-4-19 34273 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UCD67951  Ranunculus muricatus Wesley Ebert 1977-4-9 2 Sonoma Crane Creek, downstream from Pressley Rd. Growing in low spot of short, grazed grassland. Clayey soil. Bright sunshine. Yellow flowers. 106 Comment
  SD254692  Ranunculus occidentalis Ann Howald 2015-4-1 3320 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Road, 15.7 miles west of intersectyion with Rockpile Road, Wolf Creek drainage (Tombs Creek 7.5'Q) 397 Comment
  UCD158817  Ranunculus occidentalis var. occidentalis James A. Neilson Jr. 1974-4-17 2890 Sonoma Mayacmas Mountains. Above Big Geyser Canyon. (Elevation estimated using topo map by label maker.) 914 Comment
  UC1084433  Ranunculus orthorhynchus var. bloomeri G. Thomas Robbins 1940-3-21 291 Sonoma 2-3 mi se Windsor (on Pleasant Ave. road) Comment
  UC136318  Ranunculus orthorhynchus var. bloomeri Katharine Brandegee June 1905 Sonoma between Santa Rosa and Sebastopol Comment
  RSA534613  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1962-5-11 4827 Sonoma Freestone Marsh Comment
  UC639127  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma near Wright School (on hwy between Santa Rosa and Sebastopol, edge of vernal pool) Comment
  RSA94006  Ranunculus pusillus Peter Rubtzoff 1951-6-17 269 Sonoma Western branch of the Upper Marsh. Comment
  UC118347  Ranunculus pusillus Katharine Brandegee 1905-6-8 Sonoma bet. Santa Rosa and Sebastopol (along the electric line) Comment
  CHSC91408  Raphanus sativus Richard R. Halse 1987-2-22 3376 Sonoma Along State Hwy. 121, .4 mile E of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley. 6 Comment
  SEINET11522461  Raphanus sativus Richard R. Halse 1987-2-22 3376 Sonoma Sonoma Valley, along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend. 6 Comment
  RSA94322  Rhamnus californica Peter Rubtzoff 1951-8-18 616 Sonoma Uppermost part of the western branch of the upper. Comment
  CAS-BOT-BC53745  Rhododendron columbianum Lewis S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hill Road, 10 mi. w. of Santa Rosa 30 Comment
  UC634742  Rhododendron macrophyllum H. L. Mason 1928-7-11 4896 Sonoma 2 mi n of Fort Ross Comment
  CAS-BOT-BC200335  Rhododendron occidentale var. occidentale Peter Rubtzoff 1960-6-11 4502 Sonoma Laguna de Santa Rosa area east of Graton, betw. Occidental and Guerneville rds. Comment
  CAS-BOT-BC200348  Rhododendron occidentale var. occidentale Peter Rubtzoff 1959-6-7 4106 Sonoma Bank of Russian River betw. East Guernewood and Vacation Beach, near Guerneville 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-BC200336  Rhododendron occidentale var. occidentale Walter Knight; Irja Knight 1964-2-27 557 Sonoma Ca. 2 mi. S. Gualala on hiway #1 Comment
  RSA177963  Rhododendron occidentale var. occidentale R. F. Thorne 1965-4-20 34382 Sonoma Charles Newman's place up Los Alamos Rd, on Rincon Ridge 396 Comment
  SD243335  Rhododendron sonomense G. F. Hrusa 1989-5-8 7000 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CAS-BOT-BC111871  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111874  Rhynchospora alba John Thomas Howell; Milo S. Baker; Hans Leschke 1945-7-18 21325 Sonoma Pitkin Marsh Comment
  POM313092  Rhynchospora alba H. L. Mason 1946-7-4 12880 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CAS-BOT-BC350939  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC111903  Rhynchospora capitellata Peter Rubtzoff 1951-9-2 726 Sonoma Pitkin Marsh; lower part of the upper marsh. Comment
  RSA94093  Rhynchospora globularis var. recognita J. T. Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  UC58224  Ribes californicum A. A. Heller 1903-4-24 6613 Sonoma near Cazadero Comment
  CAS-BOT-BC93052  Ribes californicum var. californicum A. A. Heller; H. E. Brown 1902-3-10 5012 Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC168990  Ribes divaricatum var. pubiflorum Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano 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
  RSA0021903  Ribes menziesii Peter Rubtzoff 1969-8-14 6124 Sonoma Salmon Creek Road, 3.75 mi. west of Bodega (town). Vicinity of Coleman Valley Creek. Comment
  CAS-BOT-BC198921  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-31 5195 Sonoma Mt. Hood Comment
  CAS-BOT-BC198924  Ribes roezlii var. cruentum R. Bacigalupi 1948-3-6 2857 Sonoma Slopes of Mayacamas Range, on road from the Geysers to Geyserville. Comment
  SBBG50761  Ribes sanguineum R. F. Denno 1967-3-23 12 Sonoma Hwy 1, 4 mi S of Fort Ross Comment
  CAS-BOT-BC209369  Ribes sanguineum var. glutinosum Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  CAS-BOT-BC168764  Ribes victoris A. A. Heller 1903-4-24 6615 Sonoma Woods near Cazadero Comment
  UC1182091  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 171 Sonoma ne Kenwood (n from Sonoma, at foot of Mt. Hood); Mt. Hood, Canyon of Sonoma Creek Comment
  UC75438  Ribes victoris var. minus Milo S. Baker June 1899 Sonoma near Mt. Hood (one mile from mouth of Sonoma Canyon); Sonoma Creek Comment
  UC35868  Rigiopappus leptocladus F. T. Bioletti 1893-5-27 Sonoma Hood's Peak Comment
  CAS-BOT-BC362938  Rigiopappus leptocladus G. DeNevers 1981-5-15 1215 Sonoma Pepperwood Ranch. Along road to Hansel's Lake (from the bottom of her driveway) Comment
  CAS-BOT-BC74693  Rorippa curvisiliqua Peter Rubtzoff 1954-7-4 1526 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC74699  Rorippa curvisiliqua Peter Rubtzoff 1958-8-16 3866 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC74716  Rorippa curvisiliqua Peter Rubtzoff 1986-9-28 9750 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74721  Rorippa curvisiliqua John Thomas Howell 1947-6-26 23303 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC74700  Rorippa curvisiliqua Peter Rubtzoff 1958-9-6 s.n. Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road crossing). Comment
  SEINET11996225  Rorippa curvisiliqua H. K. Wagnon 1989-1 1853 Sonoma Spring Lake County Park, Santa Rosa 67 Comment
  UCR254884  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1973-8-25 7259 Sonoma Willow Creek Marsh 9 Comment
  RSA0025116  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC74847  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
  UC467687  Rosa californica Milo S. Baker 1898-6-1 595 Sonoma Santa Rosa Cemetery Comment
  RSA107409  Rosa eglanteria L. S. Rose 1955-10-24 55188 Sonoma Two Rock 30 Comment
  UCD113845  Rosa gymnocarpa Frederica Bowcutt 1994-5-1 1766 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. Along Sonoma Creek just E of confluence with Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trailhead. 198 Comment
  SEINET11912078  Rosa gymnocarpa F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -258 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Road 150 Comment
  UCD113886  Rosa nutkana Chris Bowen 1974-6-2 150 Sonoma Near Sea Gate Road, Unit 7 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC274268  Rostraria cristata Beecher Crampton 1957-5-16 4038 Sonoma Hot Springs Road, 3 miles southwest of Cloverdale Comment
  CAS-BOT-BC156574  Rubus Peter Rubtzoff 1951-6-30 290 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC262824  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UCD113778  Rubus armeniacus Terri Williamson 1990-5-20 46 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  CAS-BOT-BC147992  Rubus leucodermis H. E. McMinn 1922-6-17 191 Sonoma By Monte Rio Comment
  CAS-BOT-BC499108  Rubus parviflorus Ann Howald 2015-4-1 3312 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 11.5 mi W of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  CAS-BOT-BC157173  Rubus ursinus Alice Eastwood; John Thomas Howell 1939-4-2 7359 Sonoma Larkspur Rock Comment
  UCD17835  Rubus ursinus H. Olmo 8-10 May 1962 62- 06 Sonoma California. Sonoma County: 1.7 miles south of Fort Ross. Comment
  UCD166511  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  UCR280129  Rumex Peter Rubtzoff 1964-7-29 5444 Sonoma Central Coast, Brooks Gulch Marsh 15 Comment
  CAS-BOT-BC166796  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  RSA784602  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC422233  Rumex acetosella Peter Rubtzoff 1951-7-21 511 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes. Comment
  POM165242  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD101040  Rumex acetosella P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  RSA0051272  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC259173  Sagina Peter Rubtzoff 1964-6-24 5370 Sonoma Lower Salmon Creek Marsh. Comment
  UCD166485  Sagina Peter Rubtzoff 1964-6-24 5370 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC249307  Sagina Peter Rubtzoff 1959-4-18 4026 Sonoma Laguna de Santa Rosa, northeast of Graton, ca. 0.5 miles north of Guerneville Road crossing. Comment
  CAS-BOT-BC445693  Sagittaria cuneata Peter Rubtzoff 1961-7-22 4666 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445781  Sagittaria latifolia John Thomas Howell 1945-7-18 21316 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC445769  Sagittaria latifolia F. G. Krauss 1893-10-14 s.n. Sonoma County Road, Sonoma Valley Comment
  UCR249073  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7353 Sonoma Kenwood Marsh 120 Comment
  UCR249084  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh Comment
  RSA0015566  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh. Comment
  RSA0015574  Salix Peter Rubtzoff 1973-9-9 7313 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC103079  Salix bonplandiana C. R. Ball; H. E. Parks 1931-2-17 22 Sonoma Santa Rosa Creek, 1 mile south of Santa Rosa Comment
  CAS-BOT-BC103080  Salix bonplandiana C. R. Ball; H. E. Parks 1931-2-17 22 Sonoma Santa Rosa Creek, 1 mile south of Santa Rosa Comment
  CAS-BOT-BC103086  Salix bonplandiana Peter Rubtzoff 1961-8-24 4700 Sonoma Fife Creek Marsh, along Fife Creek Comment
  CAS-BOT-BC103943  Salix exigua Peter Rubtzoff 1957-5-26 3371 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  CAS-BOT-BC103951  Salix exigua Peter Rubtzoff 1957-5-4 3318 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  POM219057  Salix exigua Carleton R. Ball, Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 38 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  RSA534498  Salix exigua Peter Rubtzoff 1969-8-29 6179 Sonoma Pond ca 3 miles W of Fulton on River Road. Comment
  CAS-BOT-BC103842  Salix exigua subsp. melanopsis Peter Rubtzoff 1952-6-15 1266 Sonoma Fitch Mtn., near Healdsburg. Bank of Russian River Comment
  UC1134887  Salix exigua var. hindsiana H. S. Yates 1934-4-21 3818 Sonoma near Monte Rio; Duncan Mills Quadrangle Comment
  UC453117  Salix exigua var. hindsiana W. A. Setchell 1931-8-1 30 Sonoma Bohemian Grove near Monte Rio; Russian River Comment
  CAS-BOT-BC107751  Salix hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley southeast of Santa Rosa Comment
  CAS-BOT-BC107754  Salix hindsiana J. W. Congdon 1880-5-1 s.n. Sonoma Santa Rosa Comment
  SEINET5633112 Image available Salix hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley southeast of 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
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC107251  Salix lasiolepis A. A. Heller 1902-3-18 5096 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC107254  Salix lasiolepis Ball; Bracelin; Parks & Parks 1931-4-21 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga Comment
  RSA534496  Salix lasiolepis Peter Rubtzoff, J. Eckenwalder 1973-10-3 7333 Sonoma Along Salmon Creek. 0.75 mile NW of Freestone. Comment
  UC511622  Salix lasiolepis W. A. Setchell 1933-7-2 1 Sonoma well away from Russian R. Bohemian Grove (Monte Rio) Comment
  UC517941  Salix lasiolepis W. A. Setchell 1934-3-17 Sonoma Monte Rio; left hand side of road entering Bohemian Grove Comment
  RSA31743  Salix lasiolepis A. A. Heller 1900-3-18 5097 Sonoma Santa Rosa Creek. Near Santa Rosa. Comment
Read comments
May 1 2014
  CAS-BOT-BC107351  Salix lasiolepis var. bigelovii Peter Rubtzoff; Theodore J. Crovello 1964-9-3 5493 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC107354  Salix lasiolepis var. bigelovii Alice Eastwood 1915-6-29 4809 Sonoma Bodega Point Comment
  RSA534505  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC128315  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 1 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC128316  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma A marshy opening south of the Upper Marsh Comment
  UC453094  Salix melanopsis W. A. Setchell 1931-7-25 13 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC129235  Salix piperi Mary P. Wells 1981-4-18 s.n. Sonoma Draw on Unit 24, The Sea Ranch Comment
  CAS-BOT-BC126191  Salix scouleriana W. A. Setchell 1934-7-10 3 a Sonoma Coast Highway, north of Fort Ross Comment
  CAS-BOT-BC126194  Salix scouleriana W. A. Setchell 1933-7-9 3 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  UC1135087  Salix scouleriana E. Armstrong 1934-3-26 904 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quadrangle 152 Comment
  UC482055  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 342 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  CAS-BOT-BC128907  Salix sitchensis Ball; Bracelin; Baker; Crum 1931-5-9 344 Sonoma About 2 km. east of Bodega Bay Comment
  CAS-BOT-BC128913  Salix sitchensis A. A. Heller 1903-4-23 6602 Sonoma Fort Ross Comment
  CAS-BOT-BC128945  Salix sitchensis Peter Rubtzoff 1970-8-25 6344 Sonoma Austin Creek margin 1/2 mile north of Cazadero Comment
  CAS-BOT-BC128946  Salix sitchensis Peter Rubtzoff 1962-9-9 5075 Sonoma Brooks Gulch Marsh Comment
  HSC20117  Salix sitchensis Theodore J. Crovello 1965-9-14 721 Sonoma Along Mayacama Creek, 75-100 yds. W of junction with bridge of Hwy. 128 Comment
  POM219061  Salix sitchensis Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 344 Sonoma About 2 km E of Bodega Bay. Comment
  UC524782  Salix sitchensis W. A. Setchell 1934-7-10 2 Sonoma opposite C. Call's house Fort Ross (Coast Hwy.) 30 Comment
  SBBG28794  Salix sitchensis M. S. Baker 1941-10-10 10179 Sonoma Mark West Crk, Spring Mtn Rd, ca. 1 mi E of Alpine School House Comment
  CAS-BOT-BC225216  Salvia sonomensis Walter Knight; Irja Knight 1963-10-27 437 Sonoma Spring Mt. Rd. Comment
  CDA132  Salvia sonomensis D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .279 Sonoma Cavedale Rd. Comment
  SFV8448  Salvia sonomensis K. Milam 1966-3-3 6 Sonoma North Coast Ranges Cavedale Road, opposite Hooker Canyon. 425 Comment
  CAS-BOT-BC225215  Salvia sonomensis Wayne Roderick 1967-4-28 s.n. Sonoma Cavedale Road n. of Sonoma 457 Comment
  CAS-BOT-BC235077  Sambucus racemosa var. racemosa F. H. Utech; Walter Knight; Irja Knight 1984-4-17 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek Road 144 Comment
  POM117336  Sanicula bipinnatifida Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma Comment
  UCR265122  Sanicula bipinnatifida Ann Howald 2015-4-1 3325 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  UCD20065  Sanicula bipinnatifida C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1195 Sonoma 1 mile north of junction of Hwy 12 and Calistoga Rd., near Santa Rosa. 15 Comment
  UCD128076  Sanicula crassicaulis M. Wiesendanger 1927-5-5 733 Sonoma Kenwood Springs. Comment
  RSA12259  Sanicula crassicaulis C. B. Wolf 1934-6-29 5804 Sonoma 6/10 of a mile inland from Stewart s Point. 61 Comment
  SDSU7967  Satureja douglasii D. F Howe 1963-7-3 3589 Sonoma 20 miles north of junction with #12 on #1. Comment
  JEPS82982  Saxifraga californica Patrick Elvander 1982-3-27 1021 Sonoma 2.2 mi on road to Sugarloaf State Park (from Hwy 12, 7 mi e of Santa Rosa) Comment
  UC1084361  Saxifraga mertensiana G. Thomas Robbins 1937-3-26 24 Sonoma near Bodega Bay Comment
  UC58233  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma near Cazadero Comment
  CAS-BOT-BC441181  Saxifraga mertensiana R. Bacigalupi 1948-3-6 2854 Sonoma One mile west of Skaggs Springs, on cliff Comment
  POM161076  Scandix pecten-veneris R. C. Bacigalupi 1926-5-2 1367 Sonoma Cazadero. Comment
  RSA178019  Scandix pecten-veneris R. F. Thorne 1965-4-19 34278 Sonoma Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC283141  Schedonorus arundinaceus G. De Nevers 1981-5-30 1387 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC283144  Schedonorus arundinaceus Mary P. Wells 1981-7-2 s.n. Sonoma Unit 35A, near Leeward Road, The Sea 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
  RSA0022392  Schedonorus arundinaceus Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC111637  Schoenoplectus californicus Peter Rubtzoff 1970-8-5 6298 Sonoma 5 mi. north of Sears Point. Shallow water at the edge of a pond. Comment
  RSA0015641  Schoenoplectus maritimus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh. Comment
  RSA534612  Schoenoplectus pungens Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111799  Schoenoplectus pungens var. badius Peter Rubtzoff 1954-8-10 1679 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC111802  Schoenoplectus pungens var. badius Walter Knight; Irja Knight 1963-8-13 176 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC111109  Scirpus microcarpus John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54678 Sonoma Bouverine Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 121 Comment
  SEINET12051402  Scoliopus bigelovii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -224 Sonoma ca 0.15 mi SE from East Avenue jct with Bohemian Rd on latter enroute to Occidental from Camp Meeker 140 Comment
  CAS-BOT-BC240034  Scribneria bolanderi Leo Whitney 1935-4-14 2257 Sonoma Near Occidental Comment
  UC768783  Scribneria bolanderi R. F. Hoover 1939-4-18 4039 Sonoma Occidental Comment
  CAS-BOT-BC311817  Scrophularia californica Peter Rubtzoff 1967-8-28 5870 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC320535  Scrophularia californica Peter Rubtzoff 1958-8-23 3913 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  SEINET10582627  Scrophularia californica subsp. californica Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2616 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  CAS-BOT-BC5692  Scutellaria antirrhinoides Amos Arthur Heller 1902-6-27 5786 Sonoma West of Windsor near Russian river 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
  UC905116  Scutellaria tuberosa Milo S. Baker 1947-4-22 11695 Sonoma Hood Mountain, along trail towards cliffs Hood Mountain 243 Comment
  CAS-BOT-BC63941  Sedum spathulifolium J. F. Emmel 1970-5-10 274 Sonoma .3 air mile E of confluence of Rancheria Creek and Warm Springs Creek on Stewarts Pt. Skaggs Springs Road. 144 Comment
  SD95206  Sedum spathulifolium Winifred Anderson 1966-5-7 21 Sonoma Pine Flat Road, 10 miles east of Healdsburg. 170 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
  UC371002  Selaginella wallacei Michener and Bioletti 1893-12-25 Sonoma Adobe Canyon Comment
  UCD33565  Semiarundinaria fastuosa Beecher Crampton 1970-3-12 8543 Sonoma Sonoma County, El Verano, Green Tree Nursery. Comment
  UC727695  Senecio flaccidus var. douglasii Milo S. Baker 1946-6-17 11504 Sonoma Russian River Hiway about 5 mi n Cloverdale Comment
  RSA791558  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  SEINET10612339  Sequoia sempervirens A. Arthur Heller, H. E. Brown 1902-3-16 Heller 5080 Sonoma Russian River, Near Trenton. Comment
  CAS-BOT-BC240155  Setaria pumila John Thomas Howell 1957-9-26 32976 Sonoma Sandy Russian River bottom near Guerneville Comment
  CAS-BOT-BC240168  Setaria verticillata Walter Knight; Irja Knight 1963-10-14 413 Sonoma Blomquist Ranch, Penngrove Comment
  UCD121992  Sherardia arvensis Chris Bowen 1974-5-18 124 Sonoma Near Whalers' Ranch, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UCR275239  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma North Coast Range, east side of Hwy 12, c. 0.75 mile south of Kenwood (0.9 mile south of Warm Springs Road junction) 127 Comment
  CHSC66957  Sidalcea malviflora subsp. laciniata James D. Jokerst; Lorie May 1993-5-13 3980 Sonoma Sonoma Air Center. Comment
  JEPS67239  Sidalcea malviflora subsp. laciniata W. L. Jepson 1921-5-6 9191 Sonoma Sonoma Valley Comment
  JEPS67240  Sidalcea malviflora subsp. laciniata W. L. Jepson 1921-5-6 9192 Sonoma Sonoma Valley Comment
  RSA178041  Sidalcea malviflora subsp. malviflora Robert F. Thorne 1965-4-21 34424 Sonoma 3 miles S. of Petaluma, just N. of Marin County line. 15 Comment
  UC73430  Sidalcea malviflora subsp. purpurea Milo S. Baker 1897-4-5 Sonoma beach from Sea View to Stewarts Point; beach from Sea View to Stewarts Point Comment
  SEINET3228072  Sidalcea oregana subsp. valida John Thomas Howell 1932-1 Sonoma Comment
  UC353855  Sidalcea oregana subsp. valida Milo S. Baker 1928-6-29 3203 b Sonoma Kenwood Marsh along Hiway Comment
  CAS-BOT-BC540830  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  RSA0020347  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 mi west of its junction with Franz Valley Road. Comment
  UC1601098  Sidalcea oregana subsp. valida Mrs. Booth Aug. 1894 Sonoma Knight's Valley Comment
  CAS-BOT-BC311803  Silene Peter Rubtzoff 1974-5-19 7444 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads, near the end of Hall Road. Comment
  JEPS45851  Silene californica Eleanor Armstrong 1932-5-28 504 Sonoma 6 mi w of Graton (along Meek[s] grade); w of Graton 60 Comment
  CAS-BOT-BC392490  Silene gallica John H. Thomas 1976-6-16 18334 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD98635  Silene gallica Frederica Bowcutt; Botany 102 Students 1994-5-21 1814 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. 426 Comment
  UCD160112  Silene laciniata subsp. californica James A. Neilson Jr. 1973-6-3 2955 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UC1745678  Silene multinervia Annetta M. Carter 1947-5-30 1841 Sonoma S slopes of Hood Mt. N of Milo S Baker residence Kenwood; Hood Mountain; S slopes of Hood Mt. N of Milo S Baker residence, Kenwood. Comment
  CAS-BOT-BC364814  Silybum marianum Peter Rubtzoff 1951-7-21 479 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  JEPS53886  Sisymbrium altissimum R. Kuhn 1914-6-1 Sonoma Sonoma Comment
  CAS-BOT-BC75372  Sisymbrium officinale Elizabeth McClintock 1969-4-11 s.n. Sonoma Property of David Pleydell-Bouverie, west of Glen Ellen. Comment
  HSC13909  Sisyrinchium bellum S. N. Wiermeyer 1962-4-20 22 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC166967  Solanum Peter Rubtzoff 1956-9-16 2930 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164417  Solanum Peter Rubtzoff 1965-8-22 5612 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  SEINET6035513  Solanum furcatum Unknown 1958-8-17 3889 Sonoma Laguna de Santa Rosa. Northeast of Graton (near Guerneville Road). Comment
  NY820492  Solanum xanti var. intermedium P. H. Raven 1951-5-20 2862 Sonoma Oakville to Glen Ellen 274 Comment
  RSA787117  Solidago californica J. C. Semple, S. Heard 1986-8-20 8578 Sonoma CA-1 between Valley Ford and Bodega Bay about 1 km N of road to Sebastopol. Comment
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Feb 6 2013
  CAS-BOT-BC365659  Solidago spathulata John Thomas Howell 1931-9-26 8095 Sonoma 7 miles north of Fort Ross Comment
  UCD136065  Solidago spathulata G. F. Hrusa; G. L. stebbins, J. McCaskill 1993-9-14 11419 Sonoma along Cavedale Road approximately 2.7 miles east of Highway 12. 400 Comment
  UCD158725  Solidago velutina subsp. californica Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca.1.5 mi east of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 822 Comment
  CAS-BOT-BC365257  Solidago velutina subsp. californica unspecified 1898-8-1 s.n. Sonoma San Raphael [Rafael] Comment
  CAS-BOT-BC173701  Soliva sessilis Peter Rubtzoff 1960-5-18 4363 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC374528  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  CAS-BOT-BC236590  Sorghum halepense Peter Rubtzoff 1962-9-16 5093 Sonoma Vacation Beach, 1.5 mi. below Guerneville, damp bottom of Russian River Comment
  UC1099917  Sparganium emersum var. emersum Malcolm A. Nobs and S. Galen Smith 1949-8-1 1109 Sonoma 2 mi e Stewart's Point (on road to Beyserville) Comment
  UCD37286  Spartina foliosa Beecher Crampton 1958-12-30 5140 Sonoma Sonoma County, 10 miles west of city of Vallejo, along Sonoma Creek. Comment
  UCD99156  Spergula arvensis Frederica Bowcutt 1994-6-12 1860 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC320509  Spergularia Peter Rubtzoff 1969-8-14 6129 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC320495  Spergularia Peter Rubtzoff 1971-7-9 6597 Sonoma 5 miles north of Sears Point. 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
  CAS-BOT-BC258358  Stachys J. Penalosa 1961-5-24 1585 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC500696  Stachys Peter Rubtzoff 1957-6-28 3392 Sonoma Duncans Mills Marsh Comment
  JEPS87220  Stachys ajugoides Jack and Betty Guggolz 1992-6-22 1320 Sonoma cattle pasture se Knowles Corner 36 Comment
  UC494179  Stachys ajugoides var. rigida H. E. and S. T. Parks 1930-5-9 618 Sonoma small stream at head Alexander Valley Comment
  JEPS128255  Stachys albens Roger Raiche 2000-9-2 151 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD126019  Stachys bullata C. Wistrom 1996-5-26 26 Sonoma Healdsburg. 1601 Dry Creek Road. 48 Comment
  SEINET6744782 Image available Stachys chamissonis Marcus E. Jones 1882-1 Sonoma Duncan's Mills Comment
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Apr 7 2018
  SEINET9286426  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  SEINET9340248  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  UCD160892  Stachys rigida var. quercetorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3260 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC251171  Stellaria Peter Rubtzoff 1967-8-28 5866 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  SD192872  Stellaria littoralis John A. Churchill 1974-5-2 7442756 Sonoma Off Route 1 ca. 1.0 mile north of town. Bodego Bay. Comment
  UCR248886  Stellaria media Peter Rubtzoff 1970-10-29 6418 Sonoma Dune pond near U.C. Bodega Marine Laboratory 13 Comment
  CAS-BOT-BC251257  Stellaria media Peter Rubtzoff 1958-8-31 3951 Sonoma Atascadero Creek Marsh. Comment
  UCD134104  Stephanomeria exigua subsp. coronaria Frederica Bowcutt 1995-11-19 2062 Sonoma Sugarloaf Ridge State Park. About 50 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 Bald Mtn. Trail between Vista and Red Mtn. trails. 579 Comment
  HSC13351  Stipa lepida J. V. Lenz 1947-4-20 Sonoma CA 1 at Russian River. Comment
  NY431572  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsburg Comment
  CAS-BOT-BC5658  Stipa setigera A. A. Heller 1902-4-9 5252 Sonoma 3 miles S of Healdsburg Comment
  CAS-BOT-BC61215  Streptanthus brachiatus Lawrence F. LaPre 1985-6-25 s.n. Sonoma Around Socrates Mine, west of Pine Flats Road. Comment
  CAS-BOT-BC61218  Streptanthus brachiatus Lawrence F. LaPre; Kelly Campbell 1987-7-2 s.n. Sonoma Along Cadd Fire Trail near transmission line tower, 1.5 air miles west of Socrates Mine, near Lake County Line. Comment
  UC10915  Streptanthus glandulosus subsp. secundus Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UC985962  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma Del Preti Hill North Coast Ranges Comment
  CAS-BOT-BC87303  Streptanthus glandulosus subsp. sonomensis Doreen Smith 2003-5-1 s.n. Sonoma Coleman Valley Road. South of the road. Comment
  UCD167367  Streptanthus morrisonii James Neilson Date Unknown 4060 Sonoma Hillside due east of Layton Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC10916  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC274038  Stuckenia pectinata Peter Rubtzoff 1971-9-1 6668 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC258035  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC258036  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC540812  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  UC353794  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 a Sonoma e side Los Guilucos Valley (road to Youngman's) Comment
  UCR254879  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC97817  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 768 Sonoma Lower part of the Upper Masrh Comment
  UC29833  Symphyotrichum subspicatum Harley P. Chandler 1900-5-25 698 Sonoma Bodega Bay Comment
  CDA10942  Synthyris cordata G. F. Hrusa, G. L. Stebbins 1994-3-28 11700 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. Adjacent to East Austin Cr. Rd. on E side of Creek. 0 Comment
  UC76083  Synthyris reniformis Milo S. Baker 1898-4-4 Sonoma between Cazadero and Sea View Comment
  CAS-BOT-BC221963  Taeniatherum caput-medusae John Thomas Howell; Walter Knight; Irja Knight 1987-5-27 6235 Sonoma Todd Road Preserve 24 Comment
  SEINET10575096  Tamarix parviflora John F. Gaskin 1998-7-2 Gaskin 78 Sonoma Hyde and Pearson Road, E 150 yds to corner. Comment
  UCD148394  Taraxacum Peter Rubtzoff 1958-4-26 3587 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD107049  Taraxia ovata C. Wistrom-Number 1996-4-6 21 Sonoma Healdsburg 1601 Dry Creek Road. 48 Comment
  RSA789623  Taxus brevifolia var. polychaeta Richard W. Spjut, Peter Baye 2010-6-21 16710 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 Comment
  UC1432146  Teesdalia coronopifolia C. F. Quibell 1977-3-7 1392 Sonoma w edge of Santa Rosa, sw of intersection of Fulton and Piner roads Santa Rosa Comment
  CAS-BOT-BC447464  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  UC570922  Tellima grandiflora H. L. Mason Jun 1930 5666 Sonoma mouth of Gualala River Comment
  UC58232  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  CAS-BOT-BC447459  Tellima grandiflora Dorothy Scherer 1997-5-6 100 Sonoma Lower Fort Ross Cr, north side, Fort Ross State Historic Park 7 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
  CAS-BOT-BC366875  Thalictrum polycarpum Greg de Nevers 1998-4-27 11201 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UC73213  Thermopsis californica var. californica Milo S. Baker 1898-4-8 2 Sonoma road betw. Stewarts Pt. and Sea View Comment
  CAS-BOT-BC66806  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10933 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66810  Thysanocarpus curvipes John Thomas Howell 1934-3-26 11793 Sonoma Knight Valley. Comment
  CAS-BOT-BC66823  Thysanocarpus curvipes John H. Thomas 1969-4-28 14924 Sonoma About 3.6 miles north of Monte Rio. Comment
  CHSC22759  Thysanocarpus curvipes var. elegans Robert A. Schlising 1962-3-31 2125 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  POM192688  Tiarella trifoliata var. unifoliata H. P. Bracelin 1930-7-27 21 Sonoma One mile N. of Fort Ross. Comment
  CAS-BOT-BC447589  Tiarella trifoliata var. unifoliata L. R. Abrams 1920-7-3 7599 Sonoma Gualala River Comment
  POM312928  Tofieldia glutinosa subsp. occidentalis H. L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CAS-BOT-BC376216  Tolpis barbata Greg de Nevers 1995-5-20 10730 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  POM14823  Tonella tenella A. A. Heller, H. E. Brown 1902-4-4 5217 Sonoma Hills east of Santa Rosa Comment
  UC71975  Tonella tenella Milo S. Baker May 1903 Sonoma Sonoma Creek Comment
  RSA125087  Torreya californica P. H. Raven, R. Snow 1958-7-23 13685 Sonoma South bank of Wheatfield Fork of Gualala River, 12.5 miles east of Stewarts Point on road to Skaggs Springs Comment
  UC139953  Torreya californica Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  UCD135176  Torreya californica Lalit M. Srivastava 1957-11-1 22 Sonoma At side of State Highway 1, ca. 100 yards south of Fort Ross. 30 Comment
  SEINET7295150 Image available Torreyochloa pallida var. pauciflora A. S. Hitchcock 1908-1 2702 Sonoma Sherwood Comment
  UCD112403  Toxicoscordion Christopher Mallek 2008-5-2 HC1- 1 Sonoma Hooker Canyon. 590 Comment
  UCD139836  Toxicoscordion fremontii Frederica Bowcutt 1996-3-24 2078 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Along Lower Bald Mtn. Trail on second switchback. 487 Comment
  CAS-BOT-BC257362  Trichostema Peter Rubtzoff; Nancy Harrison 1977-8-26 9116 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC257700  Trichostema Peter Rubtzoff; Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  SEINET6165684 Image available Trichostema lanceolatum Unknown 1982-7-1 s.n. Sonoma 2 mi N.E. of Occidental Sonoma Co. Comment
  OBI13449  Trichostema laxum Robert F. Hoover 1965-6-29 9473 Sonoma N of summit on Harrison Grade rd near Occidental Comment
  UCLA54886  Trichostema laxum Robert F. Hoover 1942-7-6 5911 Sonoma ridge S of The Geysers Comment
  UCLA54887  Trichostema laxum Robert F. Hoover 1942-7-13 5917 Sonoma 3 mi S of Monte Rio Comment
  JEPS46206  Trientalis latifolia Eleanor Armstrong 1932-5-1 495 Sonoma near Camp [Nielson] 121 Comment
  CAS-BOT-BC173569  Trifolium Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173629  Trifolium Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173630  Trifolium Peter Rubtzoff 1974-5-18 7429 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  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
  UC1541590  Trifolium albopurpureum var. dichotomum H. E. and S. T. Parks 1930-5-9 621 Sonoma Knights Valley Comment
  UC1076192  Trifolium barbigerum Herbert L. Mason 1934-4-28 8095 Sonoma Hwy betw Healdsburg and Santa Rosa Comment
  SEINET12166391  Trifolium cyathiferum H. K. Wagnon 1989-1 1888 Sonoma ca 20 yards N of Fort Ross Schools Reservoir 122 Comment
  SEINET10895527  Trifolium depauperatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  UC631218  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UC1106199  Trifolium depauperatum var. depauperatum Peter H. Raven 1950-4-6 1607 Sonoma Rincon Ridge Comment
  JEPS65732  Trifolium depauperatum var. truncatum Milo S. Baker 1934-3-27 7583 Sonoma near vernal pool (Bennett Valley) Comment
  UCD84294  Trifolium depauperatum var. truncatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD108803  Trifolium dichotomum A. A. Heller; H. E. Brown 1902-4-14 5290 Sonoma Near Mark West Springs. Comment
  UCR254855  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley Marsh on Bavarian Lion Ranch 197 Comment
  UC866777  Trifolium fucatum Alice Eastwood 1917-5-13 Sonoma rd to Bodega Point Comment
  UCD143710  Trifolium grayi Beecher Crampton 1955-4-5 2411 Sonoma Starr Road 3 miles northeast of Trenton, along Windsor Creek. Comment
  UCD147004  Trifolium incarnatum Robert E. Preston 2011-4-28 2849 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  UCD111449  Trifolium microcephalum R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC368099  Trifolium microdon Greg de Nevers 1998-5-12 11246 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD165155  Trifolium microdon Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  OBI78218  Trifolium microdon Joseph Anderofer Ewan 1935-5-13 9274 Sonoma 3 mi W of Santa rosa on Sebastopol rd Comment
  CAS-BOT-BC371474  Trifolium repens Greg de Nevers 1995-7-4 10759 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Mountain House 400 Comment
  UCR254917  Trifolium repens Greg de Nevers 1998-6-20 11289 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD109323  Trifolium striatum Frederica Bowcutt 1996-5-21 2141 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. About 1 air mile S of Red Mtn. in Adobe Canyon. 396 Comment
  UCD109429  Trifolium variegatum R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  UCSC006256  Trifolium variegatum Randall Morgan 1995-6-8 2753 Sonoma Petaluma, Field opposite Lincoln School on Wilson Hill Rd. near Petaluma Rd. Comment
  UCD109446  Trifolium variegatum var. major P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  UC165605  Trifolium willdenovii Milo S. Baker 1898-4 729 Sonoma Santa Rosa Creek canyon Comment
  UC496412  Trifolium willdenovii Merle Randall 1930-4-7 Sonoma Redwood Grove Cazadero Comment
  SBBG67275  Trifolium willdenovii H. E. Parks 1930-5-9 0621 Sonoma edge of Alexander Valley Comment
  UC16810  Trifolium wormskioldii J. Burtt Davy 1896-7-23 Sonoma May's Canyon Guerneville Comment
  RSA216157  Triglochin maritima Peter Rubtzoff 1955-8-6 2023 Sonoma Lower Salmon Creek Marsh Comment
  SEINET5869493 Image available Triglochin maritima L. S. Rose 1964-1 64055 Sonoma N end of Bodega Bay Comment
  UCD138199  Triglochin scilloides G. F. Hrusa; R. Gross, A. Buckmann 1996-3-29 12742 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. 110 Comment
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May 25 2016
  UC1364376  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 574 Sonoma w. of Geyserville (at confluence of 2 ravines on Skaggs Springs Rd. ca. 10 mi. w. of its jct. with Dry Creek Rd.) Comment
  CAS-BOT-BC376369  Trillium chloropetalum Greg de Nevers 1993-3-24 10332 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Weimar Canyon. 400 Comment
  SEINET12048688  Trillium ovatum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -158 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  SEINET12050351  Trillium ovatum F. H. Utech 1988-1 88 -184 Sonoma 0.15 mi SE from East Avenue junction with Bohemian Road on latter 140 Comment
  JEPS117073  Triphysaria eriantha subsp. eriantha Peter Warner 2010-3-30 125 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UC1239022  Triphysaria pusilla Freed W. Hoffman 1947-4-3 878 Sonoma road to Austin Ranch near Guerneville (headwaters of Fife Creek); North Coast Ranges, headwaters of Fife Creek Comment
  HSC82072  Triphysaria versicolor subsp. faucibarbata Thomas W. Nelson, Jane Nelson 1980-5-3 5122 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  JEPS19394  Triphysaria versicolor subsp. faucibarbata G. Thomas Robbins 1937-6-6 238 Sonoma along roadside near Bodega Bay; near Bodega Bay Comment
  UC1348907  Triphysaria versicolor subsp. faucibarbata Robert F. Thorne 1965-4-19 34308 Sonoma Guerneville Hwy 1 mi e of Laguna Road ca 4 mi w Santa Rosa 45 Comment
  UC726087  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1941-5-4 16089 Sonoma two mi e Shellville Comment
  UC726290  Triphysaria versicolor subsp. versicolor A. A. Heller 1930-5-14 15083 Sonoma back of the bluff Bodega Bay (along the roadside near the town of Bay); back of bluff n of Bodega Bay Comment
  CAS-BOT-BC200105  Trisetum canescens Peter Rubtzoff 1952-6-10 1203 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC200106  Trisetum canescens Peter Rubtzoff 1951-6-7 111 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC522359  Triteleia hyacinthina Peter Rubtzoff 1974-5-19 7447 Sonoma Todd Road 1.4 mile from Hwy. 116 and 0.6 mile from Llano Road Comment
  CAS-BOT-BC522361  Triteleia hyacinthina Peter Rubtzoff 1966-6-5 5762 A Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerville roads. Comment
  CAS-BOT-BC522364  Triteleia hyacinthina Peter Rubtzoff 1951-6-9 167 Sonoma Lower part of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC522370  Triteleia hyacinthina G. DeNevers 1981-5-9 1038 Sonoma Along the road W of the Red Corral; Pepperwood Ranch Comment
  CAS-BOT-BC523026  Triteleia hyacinthina David D. Keck 1933-5-28 2322 Sonoma 3.4 miles east of Shellville (just east intersection of Sonoma road). Comment
  RSA173356  Triteleia laxa Walter Knight 1965-6-5 1116 Sonoma McDowell Road 1/2 mile from Casa Grande Road. Petaluma Comment
  CAS-BOT-BC527978  Triteleia peduncularis Peter Rubtzoff 1962-6-19 4924 Sonoma Occidental Marsh Comment
  CAS-BOT-BC200493  Triticum aestivum Peter H. Raven 1950-4-6 1594 Sonoma Santa Rosa to Rincon Ridge 60 Comment
  SD69963  Ulex europaeus Darley Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on route 1 Comment
Read comments
Feb 6 2013
  OBI13414  Umbellularia californica Robert F. Hoover 1968-2-23 10894 Sonoma Graton-Occidental road Comment
  OBI20362  Umbellularia californica David Morse 1972-7-29 3 Sonoma One mi NE of Cloverdale, on hwy 128 91 Comment
  SEINET9317589  Umbellularia californica John Nelson, Wnek, R. 2000-3-5 20956 Sonoma Livereau Creek Comment
  UC635504  Umbellularia californica H. L. Mason Nov 26 1925-Nov 27 1925 2492 Sonoma Monte Rio, Russian River Russian River; Monte Rio, Russian River Comment
  RSA201762  Umbellularia californica Louise Krozek 1965-2-22 1 Sonoma Mill Creek Road, 10 miles east of Healdsburg. Comment
  SEINET12090183  Umbellularia californica W. Knight, Knight, I. 1981-1 3963 Sonoma 2.3 mi up Cavedale Road from junction of State Route #12 Comment
  SEINET9362232  Umbellularia californica Unknown 1990-5-4 Sonoma Sonoma Comment
  CAS-BOT-BC403989  Urtica dioica subsp. gracilis L. R. Abrams 1920-7-3 7601 Sonoma Gualala River near Mendocino--Sonoma Co. Line Comment
  CAS-BOT-BC404222  Urtica dioica subsp. holosericea Peter Rubtzoff 1971-9-3 6690 Sonoma Along southeastern border of Spring Creek Reservoir area Comment
  POM106025  Urtica dioica subsp. holosericea Marcus E. Jones 1882-7-17 3483 Sonoma Duncan's Mills. Comment
  SEINET177097  Urtica dioica subsp. holosericea Marcus E. Jones 1882-7-17 3488 Sonoma Duncan Mills. Comment
  UCD111550  Urtica dioica subsp. holosericea Frederica Bowcutt 1994-6-24 1901 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. Sonoma Creek, Gray Pine Trail between Vista Trail and Meadow Trail. 408 Comment
  HSC15731  Veratrum fimbriatum C. B. Wolf 1927-9-2 1350 Sonoma 1.0 mi. S of Gualala River Comment
  RSA731  Verbascum blattaria E. R. Johnson 1928-8-22 1113 Sonoma Cloverdale 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
  UCR244667  Veronica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road 16 Comment
  RSA169299  Veronica americana L. S. Rose 1964-6-3 64050 Sonoma N end of Bodega Bay. 2 Comment
  UCD148401  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCR279619  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1962-5-6 4809 Sonoma Guerneville Marsh Comment
  JEPS86297  Veronica peregrina subsp. xalapensis Jack and Betty Guggolz 1989-4-29 1004 Sonoma Comment
  CAS-BOT-BC262807  Veronica scutellata Peter Rubtzoff; Nancy Harrison 1978-5-20 9185 Sonoma Cunningham Marsh Area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC269313  Veronica scutellata Peter Rubtzoff 1972-6-24 6788 Sonoma Atascadero Creek Marsh. Comment
  CDA42011  Veronica scutellata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. 0 Comment
  UC1010375  Viburnum ellipticum Milo S. Baker Apr 1932 5904 Sonoma near beginning Adobe Canyon (Ward Road, opposite M. S. Baker Ranch) Comment
  UC424774  Vicia americana var. americana Milo S. Baker 1929-5-7 3453 b Sonoma roadside thru Smith Corner (near Lagoon) Comment
  UCR255736  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; along road to Weimar Flat 400 Comment
  UCSB31792  Vicia benghalensis Townsend, J. 1977-5-30 Sonoma West side Russian River about 1 mile south of Guerneville 335 Comment
Read comments
Jul 28 2008
  UCD35853  Vicia benghalensis Beecher Crampton 1965-5-13 7341 Sonoma 4 miles S of Geyserville, just S of Lytton. Comment
  CAS-BOT-BC376269  Vicia lutea Greg de Nevers 1995-6-18 10753 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In grassland south-east of Hill 1524 487 Comment
  RSA0062828  Vicia lutea Greg de Nevers 1994-5-21 10524 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. Between Mountain House and Al Cueno's. 100 Comment
  UC673605  Vicia sativa subsp. nigra Herbert L. Mason 1926-3-20 2750 Sonoma s of Calistoga (marshes, along railroad right-of-way) Comment
  UCSB31793  Vicia villosa Townsend, J. 1977-5-29 Sonoma On north side of Calif, state 12 in Freestone 304 Comment
  CAS-BOT-BC270248  Viola adunca Peter Rubtzoff 1977-11-26 9147 Sonoma On E side of Highway 1 ca 1.5 miles NW of junction of the road to Fort Ross State Historic Park Comment
  RSA239708  Viola adunca Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1082 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UC581494  Viola adunca H. L. Mason 1928-4-8 4288 Sonoma 2 mi n of Fort Ross 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
  CAS-BOT-BC536901  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  UC1761570  Viola glabella Helen Von Grafen 1927-4-2 Sonoma Mill Creek Comment
  UC1761445  Viola lobata Milo S. Baker 1924-5-3 463 Sonoma Howell Mt., Pinecrest Comment
  UC19294  Viola lobata subsp. lobata W. H. Brewer 1862-4-18 977 Sonoma summit of ridge 3 mi se of Sonoma Comment
  HSC21828  Viola ocellata Malcolm L. Byce 1936-3-22 168 Sonoma Camp Miller, 3.5 mi. W of Cazadero, towards Ft. Ross, on Ward Creek Comment
  UC540626  Viola palustris subsp. brevipes Milo S. Baker 1934-4-1 7692 a Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  UC337768  Viola sempervirens unknown Mar. 1888 Sonoma Redwoods near Healdsburg Comment
  UC1762399  Viola sempervirens Edith Hessel 1927-4-17 Sonoma Mill Creek Comment
  CAS-BOT-BC135290  Viscum album Stanley Rose 1966-1-2 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CDA2764  Viscum album O. E. Bremmer 1929-12-29 Sonoma Santa Rosa. 0 Comment
  RSA262373  Viscum album Jesse Dubin 1971-3-4 s.n. Sonoma Near Sebastopol. Comment
  UC1393645  Viscum album W. J. Ferlatte and William O. McCartney 1970-12-22 1325 Sonoma Sebastopol; nw corner of Mill Station and Gravenstein Highway Comment
  CDA36403  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment
  CAS-BOT-BC203131  Vitis californica James McMurphy 1908-9-27 s.n. Sonoma Mark West Creek Comment
  CAS-BOT-BC203134  Vitis californica A. A. Heller 1902-6-24 5760 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC203137  Vitis californica A. A. Heller 1902-6-24 5760 Sonoma Near Burke's Sanitarium Comment
  UCD17550  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Near first highway bridge. Comment
  UCD60314  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma On highway near Hilton, 2 miles E of Korbel on Russian River. Comment
  UCD151221  Vulpia bromoides James A. Neilson Jr. 1974-5-17 2979 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation