Search Results — 2000 specimen records retrieved (1234 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78077  Abies grandis Roxana S. Ferris 1940-3-22 9841 Sonoma at Stillwater Cove Ranch, north of Fort Ross on State Highway #1 Comment
  CAS-BOT-BC332752  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  RSA7625  Acer macrophyllum Carl B. Wolf 1933-9-27 5513 Sonoma 2 miles southeast of Kellogg on road to Calistoga 91 Comment
  UCR2992  Acer macrophyllum Wm. Horn Jr. 1963-4-10 630410- 3 Sonoma San Francisco Bay Region, 4 mi west of Sebastopol, 40 yd north of Bodega Hwy Comment
  UC971946  Acer negundo var. californicum Martha Meagher 1947-3-22 99 Sonoma county road one-half mi w Freezeout Creek (across Russian River from Duncan's Mills); Russina River, w of Freezeout Creek Comment
  CAS-BOT-BC30083  Achillea millefolium J. H. Thomas 1976-6-15 18268 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC30086  Achillea millefolium Roxana S. Ferris 1937-8-18 9377 A Sonoma near mouth of Salmon Creek on Bodega Bay Comment
  RSA719883  Achillea millefolium Linda E. Watson 1996-5-19 96 -3 Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  UCD160830  Achillea millefolium James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3368 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCD128307  Achillea millefolium Mary M. Hektner 1976-12-14 277 Sonoma onto Walk-On-Beach; unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA0000831  Achillea millefolium var. arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  JEPS77868  Achyrachaena mollis Robert M. Lloyd 1965-5-8 3631 Sonoma 3 mi n on highway 12 Aqua Caliente Road; Lawerence Triangle End Garage Comment
  SBBG84015  Acmispon brachycarpus L. F. LaPre 1986-5-31 Sonoma Socrates Mine, ca. 9 mi ENE of Geyerville 914 Comment
  UCD35507  Acmispon cytisoides Beecher Crampton 1957-7-22 4395 Sonoma Along State Hwy. 1, 0.25 mile north of Fort Ross. Comment
  UCD128525  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  UCD128526  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC361370  Adenostoma fasciculatum Greg de Nevers 1997-3-20 10921 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill 400 Comment
  UC466769  Adenostoma fasciculatum W. P. Taylor 1913-6-23 Sonoma 7 mi. w. Cazadero (e. side <________ Niestrath's ?>) Comment
  UCD112602  Adenostoma fasciculatum Jennifer Bury; Peggy Herzog 1993-5-8 270 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center, 100 feet above parking lot, along Lower Bald Mountaing Trail. 402 Comment
  JEPS128375  Adiantum aleuticum Roger Raiche 2000-5-5 092 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UC479340  Adiantum jordanii Marcus E. Jones, A. M. 1931-7-5 29165 Sonoma The Geysers Comment
  CAS-BOT-BC368067  Aegilops triuncialis Greg de Nevers 1998-5-25 11265 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek 400 Comment
  UCD117143  Aesculus californica Frederica Bowcutt 1997-7-18 2175 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  UC76199  Agastache urticifolia Miss M. Alice King May 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UCD151194  Agastache urticifolia James A. Neilson Jr. 1974-7-10 2829 Sonoma Mayacmas Mountains, road to PG and E geothermal unit 9. (Elevation estimated using Google Earth by label maker.) 975 Comment
  CAS-BOT-BC210115  Agoseris Peter Rubtzoff 1974-5-26 7470 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC26633  Agoseris apargioides var. eastwoodiae Alice Eastwood s.d. s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC29572  Agoseris apargioides var. eastwoodiae Alice Eastwood 1915-6-29 4893 Sonoma Bodega Point Comment
  CAS-BOT-BC29575  Agoseris apargioides var. eastwoodiae Roxana S. Ferris 1932-5-27 8258 Sonoma Cliffs at upper end of Bodega Bay Comment
  UC769858  Agoseris grandiflora var. grandiflora R. F. Hoover 1941-5-14 5101 Sonoma hills n of Bodega Comment
  CAS-BOT-BC22788  Agoseris heterophylla G. DeNevers 1981-4-25 829 Sonoma Pepperwood Ranch, lower Pepperwood entrance Comment
  UCD158808  Agoseris heterophylla James A. Neilson Jr. 1974-3-27 2943 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD128662  Agoseris retrorsa Gerry North 1993-4 53 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Bald Mountain Trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  CAS-BOT-BC166695  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC209998  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  UCD165330  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh. Comment
  UCD51832  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  SEINET249772  Agrostis clivicola Beecher Crampton 1957-7-11 4351 Sonoma 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  JEPS116510  Agrostis densiflora Peter Warner, Sarah Gordon 2009-6-14 105 Sonoma Pepperwood Presrve; ; ; Pepperwood Preserve, Franz Valley Road approx 50 m S of barn, in low-lying swale in grassland 328 Comment
  UCD51887  Agrostis densiflora Beecher Crampton 1957-7-11 4331 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD51895  Agrostis densiflora Beecher Crampton 1957-7-22 4377 Sonoma 1.5 miles south of Stewart's Point. Comment
  UCD51975  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD51997  Agrostis densiflora Beecher Crampton 1957-7-11 4328 Sonoma Sonoma Coast State Park, 0.9 mile north of Salmon Creek. Comment
  SEINET3916273  Agrostis exarata Fred W. Hoffman 1941-6-29 2069 Sonoma North Coast Ranges. Sonoma Mountain Road.; 0 Comment
  SEINET7593636 Image available Agrostis exarata A. S. Hitchcock 1908-1 2722 Sonoma Sherwood Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  SEINET6762812 Image available Agrostis gigantea A. A. Beetle 1941-1 2855 Sonoma 5 mi S of Steward [Stewarts] Point Comment
  UCD52692  Agrostis hallii Freed W. Hoffman 1941-6-20 2093 Sonoma near Camp Meeker, Oregon Canyon. Comment
  CAS-BOT-BC138854  Agrostis microphylla K. Wagnon 1939-5-21 214 Sonoma On Road 9, four miles west of Sebastapool on Bodega highway. Comment
  SEINET7953066 Image available Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen) 189 Comment
  UCD148468  Agrostis microphylla Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh. Comment
  UCD66731  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Above Sulfur Creek Geysers. Comment
  UCR279856  Agrostis microphylla Peter Rubtzoff, Tim Tunison, Nancy Harrison 1976-6-5 8584 Sonoma North Coast Ranges, False Lake Meadow area, Annadel State Park 244 Comment
  CAS-BOT-BC139121  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC138917  Agrostis pallens G. DeNevers 1981-6-15 1519 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. 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
  UCD53168  Agrostis pallens A. A. Beetle; G. L. Stebbines Jr. 1942-6-4 3568 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  SEINET7594124 Image available Agrostis perennans A. A. Beetle 1941-1 2855 Sonoma 5 miles south of Steward Point 24 Comment
  CAS-BOT-BC138391  Aira caryophyllea var. capillaris Mabel Wiesendanger 1927-5-5 712 Sonoma Sonoma. Comment
  CAS-BOT-BC138217  Aira caryophyllea var. caryophyllea Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC138207  Aira caryophyllea var. caryophyllea John H. Thomas 1976-6-16 18338 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC1023613  Aira praecox Virginia Bufford 1935-5-19 54 Sonoma Portugese Beach; n end, coming up cliff Comment
  CAS-BOT-BC164375  Alisma Peter Rubtzoff 1965-6-20 5558 Sonoma Petaluma Creek, 4 miles northeast of Petaluma (on Stoney Point Road) Comment
  CAS-BOT-BC445328  Alisma lanceolatum Peter Rubtzoff 1959-6-20 4174 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC445333  Alisma lanceolatum Peter Rubtzoff 1958-9-20 3993 Sonoma Laguna de Santa Rosa northeast of Graton (1/2 mi. north of Guerneville Rd.). Comment
  CAS-BOT-BC445347  Alisma lanceolatum Peter Rubtzoff 1962-9-9 5074 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC445457  Alisma triviale Walter Knight; Irja Knight 1963-1-1 639 Sonoma N. side San Antonio Road about half way between D St. Ext and I. St. Ext. Comment
  JEPS47568  Allium amplectens W. L. Jepson 1921-5-6 9190 Sonoma Sonoma Valley 30 Comment
  OBI49238  Allium falcifolium F. T. Bioletti 1892-1 s.n. Sonoma Comment
  SEINET7067339  Allium parryi A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  CAS-BOT-BC474316  Allium unifolium G. DeNevers 1981-6-20 1658 Sonoma Opposite main Academy entrance Comment
  CAS-BOT-BC478829  Allium vineale John Thomas Howell 1976-6-22 51809 Sonoma Sonoma Joe's Restaurant, Petaluma Comment
  CAS-BOT-BC251179  Alnus Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC169371  Alnus rubra Mary P. Wells; John Madison; Mary Rhyne 1985-11-4 702 Sonoma ca 1/3 mile S of Gualala River at edge of forest Comment
  UCD110041  Alnus rubra Mary M. Hektner 1974-7-5 127 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC138044  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1951-6-10 200 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes. Comment
  UC576308  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5603 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh 30 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
  CDA37330  Amaranthus albus D. G. Kelch, Troy McGregor 2010-8-22 10 .335 Sonoma Geyser Peak Rd. Comment
  UCSB2740  Amelanchier alnifolia Keator, Glenn 1959-3-31 Sonoma 0.9 miles north of Camp Meeker on Occidental-Monterio highway. Comment
  POM141360  Amelanchier pallida A. A. Heller 1902-7-1 5794 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC135668  Amelanchier utahensis A. A. Heller 1902-7-1 5794 Sonoma Lagoon at Sebastopol Comment
  JEPS13275  Ammi majus Rimo Bacigalupi with G. T. Robbins 1955-7-14 5294 Sonoma 5.3 mi. s. (El Verano junction is 1 mi. w. of Schellville) El Verano junction (along CA State Hwy. 37) 3 Comment
  POM252871  Amorpha californica var. napensis D. C. Michener, Bioletti 1893-05 s.n. Sonoma Nun's Canyon Comment
  UCD104617  Amorpha californica var. napensis J. M. Tucker 1977-6-16 4397 Sonoma On upper Barnes Creek, in southern part of Shurtleff Ranch off Chalk Hill Road to the east, ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 152 Comment
  CAS-BOT-BC222273  Amsinckia Alice Eastwood; John Thomas Howell 1940-5-5 7871 Sonoma North end of Sonoma Mt. Comment
  CAS-BOT-BC222284  Amsinckia John Thomas Howell 1934-3-26 11789 Sonoma Southwestern base of Mt. Hood Comment
  UC486489  Amsinckia intermedia H. E. and S. T. Parks 1930-5-9 609 Sonoma Knights Valley Comment
  UCD119271  Amsinckia intermedia Botany 102 Students 1993-5-8 32 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 Sugarloaf Ridge, near group campground. Comment
  UC725447  Amsinckia lunaris A. A. Heller 1940-4-22 15550 Sonoma e of Santa Rosa (along State Hwy 12) Comment
Read comments
Nov 9 2006
  UC1073292  Amsinckia spectabilis George B. Rossbach 1955-3-19 454 Sonoma northern and highest hill on Bodega Head 76 Comment
  UC1301080  Amsinckia spectabilis Helen K. Sharsmith 1963-5-25 5496 Sonoma just s Bodega Harbor; San Francisco Bay Region 1 Comment
  CAS-BOT-BC361347  Anagallis arvensis Greg de Nevers 1997-4-24 10965 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  HSC17830  Anagallis arvensis S. N. Wiemeyer 1962-4-20 25 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UC1011023  Andropogon virginicus var. virginicus Virginia Bufford 1936-8-19 412 Sonoma Pitkin's Marsh; Pitkin's Marsh - Vine Hill District Comment
  CAS-BOT-BC391876  Anemone grayi Ella Dales Cantelow 1939-4-10 2602 Sonoma About 3 mi. w. [or n.] of Plantation School House Comment
  UC70435  Anemone oregana Milo S. Baker 1903-3-19 Sonoma Sonoma; Creek canyon Comment
  CDA38227  Angelica hendersonii T. C. Fuller 1957-9-24 398 -57 Sonoma Stewarts Point. 0 Comment
  CAS-BOT-BC271442  Anisocarpus madioides F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -164 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US Hwy 101 on Geysers Road 330 Comment
  RSA796687  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD148386  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD166185  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  UCD56141  Anthoxanthum aristatum M. S. Baker 1936-4-1 248 Sonoma highway north of Windsor. Comment
  CAS-BOT-BC280663  Anthoxanthum occidentale J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC280670  Anthoxanthum occidentale Mary P. Wells 1983-8-3 156 Sonoma Timber Preserve of Oceanic of California Inc., The Sea Ranch Comment
  SEINET181008  Anthoxanthum occidentale E. Tucker 1936-4-5 15003 Sonoma Camp Meekee Comment
  SD56677  Anthoxanthum odoratum Darley F. Howe 1963-7-3 3594 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
Read comments
Feb 6 2010
  CAS-BOT-BC137696  Anthoxanthum odoratum David L. Morgan 1956-5-23 s.n. Sonoma Middle Tow Rock Road near junction of Petaluma-Valley Ford road. Comment
  CAS-BOT-BC457590  Aphanes occidentalis G. DeNevers 1981-5-14 1147 Sonoma Pepperwood Ranch, Pippindale Garden. Comment
  SEINET5779372 Image available Apium graveolens Marcus E. Jones 1882-1 3604 Sonoma Duncan's Mills Comment
  CAS-BOT-BC394993  Aquilegia formosa Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC1300971  Aquilegia formosa Helen K. Sharsmith 1963-5-25 5491 Sonoma e Occidental (on Coleman Valley rd); San Francisco Bay region Comment
  LA210044  Arabis glabra var. glabra W. B. C. after Rollins; 1930-6-8 5291 Sonoma 8.5 mi. N of Bodega Bay 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
  CAS-BOT-BC128619  Arbutus menziesii Walter Knight; Irja Knight 1964-11-15 790 Sonoma Hood's Peak near Johnson Lake Comment
  POM367169  Arbutus menziesii Christopher Davidson 1977-6-20 6014 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  POM77224  Arbutus menziesii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  RSA102086  Arbutus menziesii John H. Redfield 1872-8-28 213 Sonoma Geyser Valley Comment
  UCD166536  Arbutus menziesii Dylan O. Burge 2016-1-31 2037 Sonoma Russian River Valley, just S of Hopland, roadside on U.S. Route 101. 170 Comment
  POM196028  Arbutus menziesii Emma Hawkins 1929-3-10 s.n. Sonoma Coast Ranges Comment
  CAS-BOT-BC410002  Arceuthobium campylopodum Carl B. Wolf 1927-9-2 1342 Sonoma 2 miles S of Anchor Cove Comment
  RSA629220  Arctostaphylos Jon E. Keeley 1993-9-11 24787 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC25324  Arctostaphylos bakeri Walter Knight; Irja Knight; J. Sigg; Elizabeth McClintock 1981-3-25 4030 Sonoma From the Occidental area Comment
  UC1614275  Arctostaphylos bakeri Charles M. Belshaw 1936-3-7 1556 Sonoma 2 mi nne of Occidental Comment
  UC909852  Arctostaphylos bakeri J. E. Adams 1935-3-1 1027 Sonoma 2 mi w Occidental Comment
  CDA38595  Arctostaphylos bakeri Jim Jokerst, Virginia Getz 1988-3-16 3049 Sonoma Healdsburg near water reservoir across highway from Simi Winery. 0 Comment
  RSA622700  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24703 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  UCD50473  Arctostaphylos bakeri subsp. bakeri Roman Gankin 1966-3-3 695 Sonoma East of Occidental Ridge on Graton Road; ca. 2.5 miles east of Occidental. Comment
  CDA31371  Arctostaphylos canescens D. G. Kelch, Ed Biffin 2010-5-3 10 .202 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SEINET12872780  Arctostaphylos canescens Unknown 2007-11-30 s.n. Sonoma Sonoma County Comment
  CAS-BOT-BC23885  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23889  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10943 Sonoma Rincon Ridge near Santa Rosa Comment
  RSA177966  Arctostaphylos canescens subsp. sonomensis R. F. Thorne 1965-4-20 34387 Sonoma Robert Sone's place on Rock Ridge Lane- Montecito Ave. on Rincon Ridge, Santa Rosa. 106 Comment
Read comments
Aug 10 2011
  RSA40093  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  SBBG59981  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-12 A 12 Sonoma Rincon Ridge, N of Santa Rosa Comment
  UC1309672  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1576 Sonoma 3/4 mi from County Farm; Santa Rosa Quadrangle, Rincon Ridge 152 Comment
  SBBG5404  Arctostaphylos columbiana H. and M. Dearing 1939-5-15 3392 Sonoma N of Fort Ross Comment
  UCD50671  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-13 497 Sonoma 0.1 mile north of Timber Cove, east of State Highway 1. Comment
  UCD50681  Arctostaphylos columbiana Freed W. Hoffman 1947-12-1 2747 Sonoma Salt Point. Comment
  CAS-BOT-BC24985  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55005 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality Comment
  CAS-BOT-BC24989  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5768 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC25023  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5778 Sonoma Vine Hill District, 10 miles W of Santa Rosa. Comment
  LA42171  Arctostaphylos densiflora E. B. Copeland; 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  POM215711  Arctostaphylos densiflora Jens Clausen 1933-3-26 743 Sonoma Vine Hill School House, 10 miles west of Santa Rosa, along road. Comment
  POM367502  Arctostaphylos densiflora L. S. Rose 1934-2-22 34031 Sonoma Vine Hill Region, 10 mi. W of Santa Rosa, Type & only locality. Comment
  SD56794  Arctostaphylos densiflora Darley F. Howe 1963-5-22 3523 Sonoma 10 miles west of Santa Rosa on Vine Hill Road. 149 Comment
  UC1120148  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1567 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1120149  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1564 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1614285  Arctostaphylos densiflora Charles M. Belshaw 1936-3-7 1568 Sonoma just e of Trenton (Forest Hill Road, turn off to Vine Hill School); Forest Hill Road Comment
  UC571200  Arctostaphylos densiflora H. L. Mason 1931-3-7 5804 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  UC726208  Arctostaphylos densiflora A. A. Heller 1941-3-2 15881 Sonoma roadside banks just w Vine Hill Schoolhouse (about 9 mi w of Santa Rosa) Comment
  UCD50804  Arctostaphylos densiflora L. Whitney 1932-4-1 Sonoma Santa Rosa. Vine Hill. Comment
  OBI7428  Arctostaphylos densiflora Melinda Doud 1976-5-29 89 Sonoma Just N of Santa rosa Comment
  SEINET11987279  Arctostaphylos densiflora W. Knight, Knight, I.; McClintock, E.; Sigg, J. 1981-1 4037 Sonoma Strybing Arboretum, San Francisco, originally from Vine Hill District, near Sebastopol Comment
  CAS-BOT-BC23276  Arctostaphylos glandulosa subsp. cushingiana J. Clausen 1933-3-25 726 Sonoma About 4 miles east of Warfield along the road to Oakville. Comment
  JEPS57128  Arctostaphylos glandulosa subsp. glandulosa L. R. Heckard 1967-5-7 1592 Sonoma near summit (w of) peak Hood Peak (nw of Kenwood) 822 Comment
  RSA107843  Arctostaphylos glandulosa subsp. glandulosa L. S. Rose 1955-3-21 55035 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. 152 Comment
  UC1120212  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1574 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  RSA631190  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24727 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  JEPS83505  Arctostaphylos hispidula Jack and Betty Guggolz 1986-3-8 853 Sonoma ca 15 mi nw Healdsburg (9.1-9.3 mi from jnt. Stewart's Point Rd. and Rockpile Rd. on Rockpile Rd. ne side) Comment
  POM294825  Arctostaphylos hookeri subsp. hookeri Boone Hallerg 1947-4-9 199 Sonoma 2 miles NE of Graton, Trenton Road 76 Comment
  CAS-BOT-BC38991  Arctostaphylos manzanita Roger Raiche 1983-7-10 30491 M Sonoma East Austin Creek State Rec. Area, Near fire road near confluence of Gilliam Creek and Schoolhouse Creek. 121 Comment
  UC1614286  Arctostaphylos manzanita Charles M. Belshaw 1936-3-7 1560 Sonoma 1/4 mi w of Trenton Comment
  UCD166535  Arctostaphylos manzanita Dylan O. Burge 2016-1-31 2036 Sonoma Russian River Valley, just S of Hopland, roadside on U.S. Route 101. 170 Comment
  UCD59183  Arctostaphylos manzanita Walter and Irja Knight; Roger Raiche and Steve Edwards 1983-7-3 4760 Sonoma Near Cazadero on Twitchell Ranch. The Cedars. 243 Comment
  CAS-BOT-BC38990  Arctostaphylos manzanita Roger Raiche 1983-7-10 30489 Sonoma Ridge is eastern end of Rocky Mt. Ridge west of Blue Rock between Gray Creek to the south and Devil Creek to the north. 304 Comment
  SEINET11984822  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1067 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11987236  Arctostaphylos manzanita J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4157 Sonoma Strybing Arboretum, San Francisco, Golden Gate Park, orig. from Hood's Peak Comment
  SEINET11990959  Arctostaphylos manzanita Unknown 1983-1 30499 C Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990965  Arctostaphylos manzanita Unknown 1983-1 30475 Sonoma Morrison Ridge above Gilliam Creek, East Austin Creek State Recreation Area 274 Comment
  CAS-BOT-BC38902  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7939 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38945  Arctostaphylos manzanita subsp. elegans Bell Richardson Jackson 1924-10-22 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38949  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7945 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38920  Arctostaphylos manzanita subsp. glaucescens Walter Knight; Irja Knight 1987-2-5 6083 Sonoma Pepperwood Preserve, Garrison Canyon 121 Comment
  CAS-BOT-BC38921  Arctostaphylos manzanita subsp. glaucescens P. V. Wells; Walter Knight; Irja Knight 1986-1-10 5223 Sonoma Next to Carlton Spridegeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC38696  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Adobe Canyon near Kenwood, Baker Ranch Comment
  RSA121837  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1936-9-19 708 Sonoma 1/2 mile E. of Graton, Sebastopol. 61 Comment
  RSA13422  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  UC1220421  Arctostaphylos manzanita subsp. manzanita B. F. Smith 1962-11-30 32 Sonoma 1/2 mi e summit; Quad 60D2, Mt. St. Helena 1219 Comment
  UC535022  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma residence of M. S. Baker Mt. Hood (w base of mt.) Comment
  CAS-BOT-BC38678  Arctostaphylos manzanita subsp. manzanita Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4157 Sonoma From Strybing Arboretum, San Francisco, #78-161. Originally from Hood's Peak in Sonoma County. Comment
  CAS-BOT-BC38693  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Jacob Sigg 1981-3-11 4158 Sonoma From Strybing Arboretum, Golden Gate Park, San Francisco, #68-88, via Univ. of Cal. Davis, their #67.718. Comment
  CAS-BOT-BC38715  Arctostaphylos manzanita subsp. manzanita Gary D. Wallace 1974-12-23 1348 Sonoma NE of Occidental 2 mi on Grafton Rd. 152 Comment
  CAS-BOT-BC38719  Arctostaphylos manzanita subsp. manzanita William R. Dudley 1893-2-1 s.n. Sonoma L. A. Jr. Arboretum Comment
  CAS-BOT-BC45399  Arctostaphylos nummularia Mary P. Wells 1985-10-4 675 Sonoma Ca. 1 mi. s. of Gualala River. Comment
  CAS-BOT-BC47332  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-8-23 196 Sonoma Jacob Ranch, Calistoga Rd. 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-BC47339  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 20301 E Sonoma King Ridge Rd. (4.5 mi. n. of junction with Ft. Ross Rd.), about 0.7 mi. in from King Ridge Rd. on old Layton Comment
  RSA636811  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24753 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636812  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24752 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC83857  Arctostaphylos stanfordiana Alice Eastwood 1900-4-22 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC47344  Arctostaphylos stanfordiana C. Hart Merriam 1907-7-27 s.n. Sonoma Mt. St. Helena. Summit of 1st ridge on road from Middletown to Knights Valley. 731 Comment
  SEINET11984942  Arctostaphylos stanfordiana Unknown 1966-1 686 Sonoma S of Hooker Canyon at point directly opposite canyon from Cavedale Rd, 3.1 mi E of junction of CA 12 Comment
  SEINET11987272  Arctostaphylos stanfordiana J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4103 Sonoma Strybing Arboretum, Golden Gate Park, San Francisco, orig. from Triniti Road Comment
  SEINET11987349  Arctostaphylos stanfordiana W. Knight, Knight, I. 1981-1 3960 Sonoma 2.3 mi up Cavedale Rd from junction of CA 12 Comment
  JEPS98845  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  SEINET11990978  Arctostaphylos uva-ursi Unknown 1983-1 30488 Sonoma Horseshoe Point, near Kruse Rhodendron State Reserve Comment
  HSC100101  Arctostaphylos viscida J. P. Smith, & J. O. Sawyer 2010-4-26 12720 Sonoma 641 Comment
  HSC7738  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 502 Sonoma Layton Mine, Austin Creek 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
  UCR44931  Arenaria douglasii L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  SEINET14196753  Aristida oligantha G. de Nevers 1987-1 8234 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC400484  Aristolochia californica F. Almeda; G. DeNevers 1981-3-30 4875 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch Comment
  CDA22413  Aristolochia californica M. Vernon 1985-6-21 Sonoma 6858 Hessel Road, Sebastopol. 0 Comment
  CHSC1226  Armeria maritima var. californica A. Small 1954-6-4 Sonoma Doran Park. Comment
  SEINET11933459  Armeria maritima var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -145 Sonoma between Salmon Creek & Cormet, junction Coleman Valley Road & CA 1 12 Comment
  CAS-BOT-BC82560  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC82561  Arnica discoidea Greg de Nevers 1996-6-17 10833 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  RSA129574  Arrhenatherum elatius H. S. Yates 1937-5-30 6557 Sonoma 1 1/2 miles N of Freestone. Comment
  CAS-BOT-BC84951  Artemisia californica Wm. Mrs. Matthaie 1964-11-3 s.n. Sonoma Hills about 2 mi. SE of Sonoma. Comment
  CAS-BOT-BC90489  Artemisia douglasiana G. DeNevers 1981-6-6 1446 Sonoma at the first Pepperwood entrance, Pepperwood Ranch Comment
  RSA796170  Artemisia douglasiana Peter Rubtzoff 1970-9-3 6371 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  SD41469  Artemisia douglasiana Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay Comment
  CAS-BOT-BC90485  Artemisia douglasiana F. W. Peirson 1925-8-8 6342 Sonoma roadside, 6 miles south of Santa Rosa Comment
  RSA791570  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC90862  Artemisia pycnocephala Alice Eastwood 1915-6-29 4801 Sonoma Bodega Point Comment
  CDA2629  Arum italicum L. M. Harwood Jan 1972 Sonoma 5420 Volkerts Road, near junction with Hessel Road, ca. 4 1/2 miles southeast of Sebastopol. 0 Comment
  CAS-BOT-BC400609  Asarum caudatum A. A. Heller; H. E. Brown 1902-3-22 5129 Sonoma West of Sebastopol Comment
  UCSB40584  Asarum caudatum Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on highway 1 in a small Redwood canyon Comment
  UC42606  Aspidotis densa unknown 1893-3-12 Sonoma Sonoma Comment
  CAS-BOT-BC157686  Asteraceae Peter Rubtzoff; Nancy Harrison; Dug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC361382  Asteraceae Greg de Nevers 1997-2-18 10906 Sonoma Highway 101, near Cloverdale Comment
  UCD168059  Astragalus breweri James Neilson 1977-4-24 3885 Sonoma crest of Mayacmas Mountains. (Exact location unknown. Neilson may have been on the south side of Pine Mountain on this date.) Comment
  CAS-BOT-BC186820  Astragalus gambelianus A. A. Heller; H. E. Brown 1902-4-4 5214 Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC186825  Astragalus gambelianus Greg de Nevers 1993-5-30 10464 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Piny Canyon 457 Comment
  CAS-BOT-BC186818  Astragalus gambelianus M. S. B. 1925-4-19 270 a-Local Sonoma Near Bruner's, Sonoma Mt. Comment
  UC71465  Athyrium filix-femina var. cyclosorum J. Burtt Davy 1896-7-22 4145 Sonoma Russian River Comment
  CAS-BOT-BC290666  Atriplex Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD56194  Avena barbata Mary M. Hektner 1975-8-10 218 Sonoma Near State Highway 1. Sea Ranch. Near Sea Ranch Association Office. Comment
  UCR152284  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma North Coast Range, Asti Comment
  UCD56267  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3563 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCD56320  Avena fatua Gerry North 1993-4 50 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Vista trail 1/2 mile NE of fork with Bald Mountain trail. Sugarloaf Ridge State Park. 556 Comment
  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
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Nov 3 2014
  CDA33712  Azolla filiculoides Patrick Akers 2011-2-22 s.n. Sonoma Sonoma. 2299 Sobre Vista Road 0 Comment
  CAS-BOT-BC154153  Baccharis douglasii Peter Rubtzoff 1974-8-4 7797 Sonoma Upper Green Valley Marsh Comment
  JEPS81900  Baccharis glutinosa Roger Raiche 1982-8-22 20701 Sonoma canyon running through Vine Hill Vine Hill 213 Comment
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Oct 17 2013
  POM213043  Baccharis pilularis C. B. Wolf 1934-10-13 6182 Sonoma 2 2/5 miles north of mouth of Russian River. 61 Comment
  SEINET8734646 Image available Baeria uliginosa Lewis S. Rose 1933-1 33156 Sonoma BODEGA BAY 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
  UCD151177  Barbarea orthoceras James A. Neilson Jr. 1974-4-24 2948 Sonoma Mayacmas Mountains. Socrates Mine Road, 1/2 mile east of headquarters, ca 3 1/2 miles southeast of The Geysers. (Elevation estimated using Google Earth by label maker.) 853 Comment
  UCR255700  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  CAS-BOT-BC145835  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, southeast of Santa Rosa. Comment
  UC37448  Beckmannia syzigachne Michener and Bioletti 1893-6-10 114 Sonoma Kenwood Comment
  UCD56776  Beckmannia syzigachne G. F. Hrusa; R. Gross 1996-6-30 13060 Sonoma 2 mi. SW of Calistoga. Diamond Mountain Road. 700 Comment
  UCR248773  Beckmannia syzigachne Peter Rubtzoff 1970-6-14 6263 Sonoma Marsh on River Road, c. 3 miles west of Fulton 27 Comment
  SEINET7596631 Image available Beckmannia syzigachne Mrs. H. P. Bracelin 1930-1 20 Sonoma 1 mi. N of Fort Ross Comment
  CAS-BOT-BC164688  Bidens cernua Peter Rubtzoff; Nancy Harrison; Edward Lee; Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC290723  Bidens frondosa Peter Rubtzoff 1960-9-14 4528 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  SEINET11842881  Bidens frondosa W. Knight, Knight, I. 1984-1 5291 Sonoma Spring Lake, Santa Rosa Comment
  RSA0019007  Bidens laevis Peter Rubtzoff 1954-11-18 1764 Sonoma Bodega Head Marsh. Comment
  OBI16930  Blennosperma bakeri M. S. Baker 1946-1 Sonoma Comment
  RSA0000973  Blennosperma bakeri Milo S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma in 'hog wallow' about 0.25 mi south of Napa Street in field on east side of street. Comment
  RSA0008304  Blennosperma bakeri R. C. Bacigalupi, Ornduff, L. R. Heckard 1964-3-25 8924 Sonoma Along (east of) Arnold Dr., 0.7 miles north of its junction with Hwy 37, south of Sonoma 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
  SEINET8726059 Image available Boisduvalia densiflora var. imbricata Lewis S. Rose 1938-1 38252 Sonoma Bloomfield. 30 Comment
  CAS-BOT-BC164391  Boisduvalia glabella Peter Rubtzoff 1958-8-31 3959 Sonoma Atascadero Creek Marsh Comment
  UC56354  Bolboschoenus maritimus J. Burtt Davy 1897-9-19 4054 Sonoma Petaluma. Comment
  CAS-BOT-BC75494  Bolboschoenus maritimus subsp. paludosus Walter Knight; Irja Knight 1984-8-26 5426 Sonoma Willow Creek Road. 60 Comment
  UCR198237  Brachypodium distachyon Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .268 Sonoma Cavesdale Road 518 Comment
  CAS-BOT-BC145654  Brachypodium phoenicoides Mary P. Wells 1981-8-2 s.n. Sonoma Between end of Dune Drift and the sea near the hedgerow. The Sea Ranch. Comment
  CAS-BOT-BC36620  Brassica nigra G. DeNevers 1981-6-15 1516 Sonoma Pepperwood Ranch. At the big road cut on Franz Valley Road. 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-BC376281  Brickellia californica Greg de Nevers 1992-6-26 10189 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  RSA239698  Briza maxima Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1096 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UC1010999  Briza maxima Virginia Bufford 1935-5-31 70 Sonoma Green Valley School Comment
  UCD57129  Briza maxima R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  UCD57371  Briza maxima C. H. Lamoureux 1957-4-7 1193 Sonoma 1 mile north of junction of State Highway 12 and Calistoga Road (which leaves Highway 12 3.5 miles east of Santa Rosa). Comment
  CAS-BOT-BC145289  Briza minor John Thomas Howell 1935-5-5 12607 Sonoma Kenwood. Comment
  CDA36959  Briza minor CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  POM204032  Briza minor J. T. Howell 1934-3-25 367 Sonoma Petaluma 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
  UCD150132  Brodiaea coronaria Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  JEPS27976  Brodiaea elegans subsp. elegans Rimo Bacigalupi and L. Heckard 1961-6-9 7733 Sonoma at junction of Joy Road and Bittner Road 1.75 mi sw Occidental 249 Comment
  JEPS7642  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7660 Sonoma Petrified Forest Comment
  UCD139132  Brodiaea elegans subsp. elegans Frederica Bowcutt 1994-6-12 1847 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-BC484394  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6086 Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol Comment
  CAS-BOT-BC486539  Brodiaea elegans subsp. elegans Roxana S. Ferris; Laura Lorraine 1961-6-15 13573 Sonoma Junction of Occidental Road with Facendini Lane Comment
  SEINET10534094  Brodiaea laxa John Thomas Howell 1931-6-15 Howell 6689 Sonoma Near Sebastopol, California Comment
  UCD77137  Brodiaea leptandra Robert E. Preston 2004-6-26 2264 Sonoma Ca. 2 mi NE of Santa Rosa, along St. Helena Rd 234 Comment
  JEPS18123  Brodiaea stellaris Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5675 Sonoma at base The Butcher Knife (along secondary road following creek); Big Austin Creek 182 Comment
  JEPS25733  Brodiaea stellaris Harry K. Roberts 1961-5-23 Sonoma about 1.75 mi ne Occidental (at top of grade, just w of County Dump, 1/4 to 1/2 mi w of type locality of Arctostaphylos Bakeri Eastw.); Harrison Grade 222 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
  CAS-BOT-BC486526  Brodiaea stellaris Roxana S. Ferris; Laura Lorraine 1961-6-15 13574 Sonoma Junction of Occidental Road with Facendini Lane Comment
  JEPS7714  Brodiaea terrestris subsp. terrestris P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  CAS-BOT-BC486467  Brodiaea terrestris subsp. terrestris Mark Okada 1971-6-10 s.n. Sonoma Route ] , 3miles south of Gualala Comment
  CAS-BOT-BC486476  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1974-5-19 7447 A Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from (west of) Llano Road. Comment
  CAS-BOT-BC311812  Bromus Peter Rubtzoff 1964-6-24 5376 Sonoma Coleman Marsh. Comment
  SJSU6768  Bromus briziformis J. L. Tipton 1976-5-1 Sonoma orchard 3 mi SE of Sebastopol 121 Comment
  UCD58209  Bromus carinatus P. B. Kennedy 1915-6-1 40 X Sonoma Del Mar. Comment
  UCD58250  Bromus carinatus Collector unknown 1941-4-1 Sonoma Santa Rosa. Franklin Ave. Comment
  CAS-BOT-BC149097  Bromus carinatus var. carinatus John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53991 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CDA15741  Bromus carinatus var. carinatus G. F. Hrusa 1998-6-14 14593 Sonoma Knights Valley; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena. Serpentine interfingering with volcanic substrate, this apparently on both. Common, bunching. Comment
  CAS-BOT-BC149086  Bromus carinatus var. carinatus Peter H. Raven 1950-4-23 1894 Sonoma Solve Vista. 152 Comment
  CAS-BOT-BC155662  Bromus diandrus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6228 Sonoma Tood Road Preserve. 24 Comment
  UCD58836  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3558 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCD66095  Bromus hordeaceus Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1751 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  CDA366  Bromus laevipes D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .27 Sonoma Cavedale Rd. Comment
  SBBG20731  Bromus laevipes M. S. Walters 1960-6-18 Sonoma ca. 1.5 mi E of Russian River bridge at Guerneville on St Hwy 12 Comment
  UC1146638  Bromus laevipes Freed W. Hoffman 1941-6-20 2102 Sonoma near Camp Meeker (North Coast Ranges, Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UCD36537  Bromus madritensis subsp. madritensis Beecher Crampton 1954-4-26 1794 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  UCD160851  Bromus madritensis subsp. rubens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3284 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
  UC1010998  Bromus vulgaris Virginia Bufford 1936-5-21 371 Sonoma near Skaggs Springs Comment
  UC1131318  Bromus vulgaris H. S. Yates 1936-5-16 5611 Sonoma 1 mi nw of Mountain View School 91 Comment
  UCD36681  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  CAS-BOT-BC233704  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  UCD114956  Cakile maritima Walter Russell 1947-3-5 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC352218  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville. Comment
  UCR254896  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC185407  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh. Comment
  RSA654820  Calamagrostis bolanderi Colette Beaupre 2000-7-6 s.n. Sonoma Near Sea Ranch, CA on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M 183 Comment
  UC768850  Calamagrostis koelerioides R. F. Hoover 1941-5-14 5090 Sonoma 2 mi s Monte Rio (toward Camp Meeker) Comment
  UCD57505  Calamagrostis nutkaensis P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar Ranch. Comment
  UCD57519  Calamagrostis nutkaensis Beecher Crampton 1957-7-11 4318 Sonoma just south of Salmon Creek, along State Hwy. 1. Comment
  UCR19364  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma North Coast, Jenner, slopes above sea bluffs 61 Comment
  JEPS96256  Calamagrostis stricta subsp. inexpansa Dean Kelch 1997-4-30 97 .16 Sonoma Bodega Head, W Sonoma County Bodega Head 15 Comment
  CAS-BOT-BC438600  Calandrinia ciliata Peter Rubtzoff 1953-5-16 1362 Sonoma Vacation Beach, near Guerneville. Bank of Russian River. Comment
  CAS-BOT-BC438610  Calandrinia ciliata John H. Thomas 1976-6-15 18281 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC438605  Calandrinia ciliata Peter Rubtzoff 1952-5-10 1026 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  SEINET9288286  Calendula arvensis Unknown 2000-3-6 20969 Sonoma Sonoma Comment
  UC750590  Calendula arvensis J. Thomas Howell 1946-3-31 21591 Sonoma orchards and fields just e of Sonoma Comment
  CAS-BOT-BC273237  Calendula arvensis Peter H. Raven 1963-4-28 18257 Sonoma Just west of El Verano Comment
  CAS-BOT-BC273243  Calendula arvensis W. R. Russell 1967-3-28 s.n. Sonoma At north end of town, Sonoma Comment
  UCR249032  Callitriche heterophylla Peter Rubtzoff 1974-4-6 7355 Sonoma Along Lawndale Road, 0.75 mi. south of Hwy 12 131 Comment
  RSA90503  Callitriche heterophylla subsp. bolanderi Leo Koch 1939-5-15 630 Sonoma Hamilt(a)on Ranch. 1 mile from Old Adobe. East of Petaluma. Comment
  UC1101513  Callitriche heterophylla var. bolanderi Malcolm A. Nobs 1949-8-1 1106 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC293757  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh. Comment
  UCR249031  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh Comment
  RSA0035348  Callitriche verna Peter Rubtzoff 1969-5-3 6027 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC483279  Calochortus amabilis A. A. Heller; H. E. Brown 1902-4-22 s.n. Sonoma Between Santa Rosa and Agua Caliente Comment
  CAS-BOT-BC492630  Calochortus luteus Elsa G. Ruckert 1960-5-28 161 Sonoma Highway 12 1 mile from Trinity Road 243 Comment
  CAS-BOT-BC492635  Calochortus luteus A. Day 1982-6-1 82 -63 Sonoma Pepperwood Ranch Comment
  RSA491702  Calochortus luteus James L. Reveal 1987-6-7 6412 Sonoma Along Cavedale Road, about 1.5 mile south of Trinity Road, about 13 airline miles southeast of Santa Rosa 579 Comment
  UCD139582  Calochortus tolmiei Mary M. Hektner 1975-4-30 192 A Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC132636  Calochortus uniflorus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  SD254491  Calochortus uniflorus Ann Howald, Christina Freeman 2015-4-13 3340 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, south shore, ca. 300 feet north of intersection Pig Flat and Marsh trails. 363 Comment
  UC3483  Calochortus uniflorus F. T. Bioletti Sonoma Comment
  CAS-BOT-BC132640  Calochortus uniflorus Mrs. H. C. Cantelow 1939-4-8 s.n. Sonoma South of Shellville Comment
  CAS-BOT-BC270708  Calycadenia multiglandulosa Milo S. Baker 1932-6-9 6000 Sonoma 1 mile E of Occidental Comment
  UC523536  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 mi n Occidental Comment
  CAS-BOT-BC270711  Calycadenia multiglandulosa A. D. E. Elmer 1903-6-1 4295 Sonoma Black Mountain Comment
  UC1876151  Calycadenia multiglandulosa Gerald D. Carr 1971-7-6 577 Sonoma Jct. of Facienda Lane and Occidental Rd. Comment
  CAS-BOT-BC270845  Calycadenia pauciflora Marcus E. Jones 1931-7-5 21925 Sonoma The Geysers Comment
  CAS-BOT-BC90987  Calycanthus occidentalis Peter Rubtzoff 1952-6-9 1189 Sonoma North slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC90994  Calycanthus occidentalis Peter Rubtzoff 1987-7-18 9798 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC91014  Calycanthus occidentalis L. R. Abrams 1916-7-4 5801 Sonoma Burkes Sanitarium. Comment
  POM149134  Calycanthus occidentalis Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  UC854800  Calycanthus occidentalis Eliz. Parsons Hawver 1915-6-3 Sonoma Skaggs Springs Comment
  POM97738  Calycanthus occidentalis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  JEPS21820  Calypso bulbosa Roy Ramberg 1958-4-5 Sonoma 1/2 mi se of Occidental (in Redwood Picnic Area); Redwood Picnic Area 45 Comment
  UC4384  Calypso bulbosa Miss Atterbury 1895-3-20 Sonoma Cazadero Comment
  UC7776  Calyptridium umbellatum H. N. Bolander 1864-1 3973 Sonoma within 8 or 9 yards of The Geysers Comment
  CAS-BOT-BC292508  Calystegia R. K. Brummitt; T. F. Daniel 1997-5-31 19615 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, near Bechtel Cabin. 300 Comment
  UCD126065  Calystegia collina Jennifer Bury; Peggy Herzog 1993-5-8 275 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  CAS-BOT-BC215788  Calystegia macrostegia subsp. intermedia Greg de Nevers 1993-5-30 10458 Sonoma 3450 Franz Valley Road, Pepperwood Ranch Natural Preserve 457 Comment
  UCD160869  Calystegia purpurata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3295 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD125693  Calystegia purpurata subsp. purpurata Frederica Bowcutt 1994-5-1 1749 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco; about 11 air miles E of Santa Rosa; about 2.5 air miles N of Kenwood. Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  CAS-BOT-BC224742  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  UCD126179  Calystegia purpurata subsp. saxicola Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 152 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD167354  Calystegia purpurata subsp. saxicola James Neilson 1981-5-28 4035 Sonoma Mayacmas Mountains. Geysers Healdsburg Rd. about 1/2 mile west Geysers Resort. (Exact location unknown. Coordinates estimated by label maker.) Comment
  OBI35908  Calystegia soldanella David J. Keil 1983-6-29 17192 Sonoma Doran Beach County Park, Bodega Head Comment
  POM31995  Camissonia strigulosa A. A. Heller, H. E. Brown 1902-5-27 5613 Sonoma Bodega Bay. Comment
  UCD103511  Camissoniopsis cheiranthifolia H. A. Borthwick 1925-6-7 1844 Sonoma Willow Camp. Comment
  CAS-BOT-BC160369  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  JEPS6118  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma w slope Hood Mt. (at top of Rose Butte); Rose Butte 243 Comment
  CAS-BOT-BC266418  Campanula californica Peter Rubtzoff 1967-8-28 5864 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC266420  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CAS-BOT-BC266425  Campanula californica Mrs. E. C. Sutcliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  UCD66816  Campanula californica Mary M. Hektner 1974-8-27 182 A Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  RSA94358  Campanula californica Peter Rubtzoff 1951-09 708 Sonoma Northwestern; outer North Coast ranges region Margin of creek at Hwy 12, SE of Forestville Comment
  SEINET10463934  Campanula californica Rimo Bacigalupi 1967-8-30 Bacigalupi 9312 Sonoma Pitkin Marsh, near eastern end of Templeman Road, southeast of Forestville 46 Comment
  UCR23658  Campanula prenanthoides John C. Roos 1957-7-2 s.n. Sonoma Miller Ridge Comment
  CLARK-A1528-2364  Campanula prenanthoides John C. Roos 1957-7-2 Sonoma Miller Ridge Comment
  SEINET10463124  Campanula prenanthoides Michener 1892-7-4 MICHENER s.n. Sonoma SHAGG'S SPRINGS Comment
  CHSC10119  Capsella bursa-pastoris S. N. Wiemeyer 1962-4-20 28 Sonoma 3/4 mile east of County Hospital along Chanate Rd. 121 Comment
  CAS-BOT-BC37757  Cardamine californica A. A. Heller; H. E. Brown 1902-3-14 5056 Sonoma Near Santa Rosa. Comment
  UC1199186  Cardamine californica Joseph P. Tracy 1949-3-13 18270 Sonoma w Knights Valley (Mayacamas Creek); , w of Knights Valley 152 Comment
  CAS-BOT-BC37775  Cardamine californica Frank Walton Gould 1940-2-18 866 Sonoma Two miles north of Petaluma. 30 Comment
  CAS-BOT-BC38033  Cardamine oligosperma Peter Rubtzoff 1964-7-29 5458 Sonoma Duncans Mills Marsh. In upper portion of the marsh. Comment
  CAS-BOT-BC38036  Cardamine oligosperma G. DeNevers 1981-3-30 583 Sonoma Pepperwood Ranch. At Garrison House. Comment
  JEPS128332  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-3-28 012 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC384861  Cardionema ramosissimum Alice Eastwood 1915-6-29 4816 Sonoma Bodega Point Comment
  SJSU7927  Cardionema ramosissimum S. H. Casey 1969-5-13 237 Sonoma seaward rim of coastal terrace, 3 mi N of Stewarts Point Comment
  CAS-BOT-BC282948  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  CAS-BOT-BC281725  Carduus pycnocephalus Alice Eastwood; John Thomas Howell 1938-5-15 5505 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC281762  Carduus pycnocephalus G. DeNevers 1981-5-23 1251 Sonoma In Hansel's cow pasture Comment
  UCR255714  Carex abrupta Peter Rubtzoff 1958-6-1 3691 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC344828  Carex abrupta Peter Rubtzoff 1962-10-9 s.n. Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC353409  Carex abrupta Peter Rubtzoff 1958-6-1 3691 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. 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-BC18147  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  UCD112444  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC19368  Carex barbarae Helen D. Geis 1902-8-1 566 Sonoma Skaggs. Comment
  CAS-BOT-BC329309  Carex barbarae Peter Rubtzoff 1974-6-2 7524 Sonoma Upper Green Valley Marsh. Comment
  RSA0037208  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma Kenwood Marsh. Comment
  UCR249338  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  CAS-BOT-BC19374  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  RSA0015629  Carex barbarae Peter Rubtzoff 1975-7-3 8152 Sonoma Kenwood Marsh. Comment
  HSC100878  Carex bolanderi Peter Warner 2011-6-16 217 Sonoma Jenner Headlands property, E area, ~1.7 mi. NNW of Duncans Mills, ~250 m up 'east ridge' road from main gravel road. 294 Comment
  CAS-BOT-BC34423  Carex cusickii Peter Rubtzoff 1951-7-14 434 Sonoma Pitkin Marsh near Forestville. Southern half of Lower Marsh. Comment
  UCR248865  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC329290  Carex cusickii Peter Rubtzoff 1955-5-21 1872 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC18977  Carex densa John Thomas Howell 1938-7-3 13964 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC246550  Carex densa Peter Rubtzoff 1959-5-30 4064 Sonoma Freestone Marsh Comment
  CAS-BOT-BC18992  Carex densa M. S. Baker 1936-1-1 8196 Sonoma Near Wright School, Highway 12. 4 miles west of Santa Rosa on road to Sebastopol. Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  CAS-BOT-BC329295  Carex exsiccata Peter Rubtzoff 1960-5-20 4396 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  UCR250395  Carex exsiccata Peter Rubtzoff 1954-7-4 1535 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  UCR250396  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  CAS-BOT-BC290552  Carex exsiccata Peter Rubtzoff 1958-5-3 3617 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC28360  Carex gracilior Peter Rubtzoff 1951-6-9 179 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC28361  Carex gracilior Peter Rubtzoff 1951-6-7 148 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper marsh. Comment
  CAS-BOT-BC28333  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near mark West Creek. Comment
  CAS-BOT-BC422372  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Freestone Marsh. Comment
  SEINET3901419  Carex gynodynama Lewis S. Rose 1964-6-3 64053 Sonoma N end of Bodega Bay.; 0 2 Comment
  RSA758134  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh Comment
  UCR249050  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh 15 Comment
  CAS-BOT-BC31170  Carex lemmonii Milo S. Baker 1946-5-13 11392 Sonoma Marsh adjoining Pitkin Ranch on the North. Comment
  CAS-BOT-BC31177  Carex lemmonii Peter Rubtzoff 1951-6-7 140 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UC727759  Carex lemmonii Milo S. Baker 1946-5-13 11392 Sonoma on n Pitkin Ranch; Vine Hill Region, Pitkin Marsh Comment
  SEINET7485357 Image available Carex lemmonii John Thomas Howell 1957-1 s.n. Sonoma Pitkin Marsh Comment
  UCD140480  Carex leporina Frederica Bowcutt 1994-5-1 1782 a Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco. About 10 air miles east of Santa Rosa. About 2.5 air miles north of Kenwood. About 18 air miles northwest of Napa. Campground, south of Sonoma Creek about 150 yards, 1/4 miles NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. Comment
  UCR252542  Carex leptopoda Peter Rubtzoff 1960-5-16 4359 Sonoma Duncan Mills Marsh 2 Comment
  HSC100958  Carex multicaulis Peter Warner, Sarah Gordon 2011-5-16 197 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), Fern Trail along lower to mid-Mill Creek. 273 Comment
  UC931974  Carex nudata Verne Grant and Alva Grant 1947-5-4 7950 Sonoma 2 mi N of Kenwood (Sonoma Creek 1 mi E of Sonoma-Santa Rosa highway) Comment
  UCR250034  Carex obnupta Peter Rubtzoff 1964-7-29 5445 Sonoma Central Coast, Brooks Gulch Marsh 15 Comment
  CAS-BOT-BC119313  Carex obnupta James Moffitt 1936-5-9 s.n. Sonoma 1/2 mi E of coast, 4 mi S of mouth of Gualala River. Comment
  RSA201424  Carex ovalis J. T. Howell 1947-6-5 23240 Sonoma Cunningham Marsh Comment
  UCR248937  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville 38 Comment
  UCR248942  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCR248924  Carex stipata var. stipata Peter Rubtzoff 1960-6-9 4483 Sonoma Laguna de Santa Rosa area, northeast of Graton, near the Laguna Road 30 Comment
  CAS-BOT-BC116929  Carex subbracteata Peter Rubtzoff 1954-8-2 1619 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC116779  Carex subbracteata var. subbracteata John Thomas Howell; J. W. Stacey 1936-7-26 12666 Sonoma Occidental Comment
  CAS-BOT-BC115824  Carex subfusca Peter Rubtzoff 1951-9-2 701 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh, near the edge of a thicket. Comment
  CAS-BOT-BC115833  Carex subfusca Peter Rubtzoff 1976-5-30 8566 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC115529  Carex tumulicola Joseph Whipple Congdon 1880-5-31 s.n. Sonoma Santa Rosa Comment
  UCSB51193  Carpobrotus chilensis 1976-5-1 Sonoma Bluff above N. Salmin Creek Beach, Sonoma Co. State Beaches 18 Comment
  RSA269282  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma S21, T5N, R8W, N side of Valley Ford Road, 6 miles W of Petaluma. Comment
  CDA36976  Carthamus leucocaulos J. H. Shelgren 1976-5-7 16 Sonoma Vicinity of Asti. 0 Comment
  RSA285910  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 1 mile W of the Asti turn off of the freeway, Hwy 101, Asti. Comment
  CLARK-A1528-2182  Carthamus tinctorius John C. Roos, Lucille Roos 1956-9-2 6599 Sonoma Healdsburg Comment
  JEPS3864  Castilleja W. I. Follett 1937-5-9 67 Sonoma 9 mi se Bodega Bay Comment
  JEPS66550  Castilleja ambigua subsp. ambigua Peter Rubtzoff 1971-8-9 6627 Sonoma Laguna Chileno Valley Comment
  JEPS74987  Castilleja ambigua subsp. ambigua T. I. and F. M. Chuang 1975-7-5 7518 Sonoma s side Pitkin Marsh Comment
  UC27155  Castilleja ambigua subsp. ambigua F. T. Bioletti Jun 1893 Sonoma Glen Ellen Comment
  JEPS19380  Castilleja campestris subsp. campestris G. Thomas Robbins 1937-5-23 183 Sonoma between Santa Rosa and Sebastopol (along roadside near Wright School) Comment
  SDSU10837  Castilleja densiflora D. F. Howe 1972-6-27 4843 Sonoma Near Pitkin Marsh. Comment
  SEINET7067295  Castilleja densiflora A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor near the Russian River. Coordinate datum: NAD27. UTM Zone 10, 512347mE, 4272854mN. Comment
  UC726128  Castilleja densiflora subsp. densiflora A. A. Heller 1941-5-17 16136 Sonoma 2 mi n Windsor (on U.S. Hwy. 101) Comment
  UCD151301  Castilleja foliolosa James A. Neilson Jr. 1974-7-26 2865 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  CHSC63927  Castilleja subinclusa subsp. franciscana John Hale 1990-4-10 15 Sonoma 305 m. NW of Ocean Cove. 6 Comment
  JEPS27975  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi, and L. Heckard 1961-6-9 7734 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner road) 249 Comment
  JEPS60450  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1969-6-29 6688 Sonoma 1.8 mi se Bodega Bay (on Highway 1) Comment
  JEPS116517  Castilleja subinclusa subsp. franciscana Peter Warner 2009-6-3 103 Sonoma Poff Ranch, Wright Hill Road E about 1 mi off State Hwy 1, in grassland 50 m ESE of main (west) gate 250 Comment
  JEPS8512  Castilleja wightii W. L. Jepson 1931-7-19 15956 Sonoma bluffs at Scott Creek Comment
  RSA221718  Castilleja wightii Noel Holmgren, Liew Fah Seong 1969-6-23 3607 Sonoma Calif. 1, 18.6 miles north of Marin County line, by entrance to Shell Beach. Comment
  SEINET10549479  Castilleja wightii Noel H. Holmgren, James L. Reveal 1966-6-6 Holmgren 2650 Sonoma California 1, 2 mi s of california 116 junction, t7n, t11w, common on exposed Hillside and road bank away from salt spray. Inflorescence mostly red, sometimes Orange. Comment
  CAS-BOT-BC361351  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC39435  Caulanthus lasiophyllus C. F. Baker 1903-4-20 2629 Sonoma Mount Helena. Comment
  CAS-BOT-BC47798  Ceanothus John Thomas Howell 1935-5-5 12613 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC1071513  Ceanothus C. M. Belshaw 1936-3-8 1583 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa Quad. Comment
  CAS-BOT-BC48522  Ceanothus confusus J. Clausen 1933-3-26 739 Sonoma Rincon Range east of Santa Rosa 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
  JEPS83712  Ceanothus confusus R. Raiche 1988-3-28 80020 Sonoma e Guerneville (e end of Gilder Ridge and just w of Wohler Bridge); Mt. Jackson area Comment
  RSA77694  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  RSA1353  Ceanothus cuneatus B. D. Stark 1929-7-22 584 Sonoma Sonoma-Mendocino County line. Comment
  UC580708  Ceanothus cuneatus var. cuneatus C. M. Belshaw 1936-3-8 1583 Sonoma .75 mi n. Annadel; Santa Rosa quad. 144 Comment
  CAS-BOT-BC64424  Ceanothus foliosus Walter Knight; Irja Knight 1963-8-23 191 Sonoma Josh Ranch, Calistoga Rd. Comment
  CAS-BOT-BC83820  Ceanothus foliosus D. O. Burge; C. Miller 2007-6-12 938 b Sonoma Mayacmas Mountains, head of Hooker Canyon 560 Comment
  SEINET12210993  Ceanothus foliosus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -102 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  SEINET13945879 Image available Ceanothus foliosus A. E. Wieslander 1938-1 860 Sonoma 3 miles E of Mt. St. Helena, T9N R7W. Alt 1500 ft Comment
  CAS-BOT-BC64418  Ceanothus foliosus subsp. vineatus John Thomas Howell 1945-5-30 20912 Sonoma Vine Hill School. Topotype. Comment
  SBBG4198  Ceanothus foliosus var. foliosus M. Van Rensselaer 1941-4-27 1637 Sonoma Trinity Rd, Mt Hood Range Comment
  UC1299553  Ceanothus foliosus var. foliosus Freed W. Hoffman 1947-2-28 763 Sonoma Wils Hog Ridge, headwaters of Palmer Creek, a branch of Mill Creek near Healdsburg. Comment
  OBI10528  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma Nine mi S of Guerneville Comment
  CAS-BOT-BC50002  Ceanothus gloriosus John Thomas Howell 1935-5-5 12616 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC775008  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma 8.5 mi s Stewarts Point (at entrance to Salt Point Ranch, along coast.) Comment
  UC870564  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 165 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  UC912378  Ceanothus gloriosus var. exaltatus Herbert L. Mason 1931-3-7 5802 Sonoma Vine Hill School, 12 miles west of Santa Rosa. Comment
  LA43584  Ceanothus gloriosus var. exaltatus Henry Reents; 1936-5-2 sn Sonoma 0.5 mi. past slough, on rd. to Rio Nido Comment
  UC1280768  Ceanothus gloriosus var. gloriosus H. E. McMinn 1938-6-20 5129 Sonoma Stewarts Point to Gualala. Comment
  POM86919  Ceanothus griseus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UC1070747  Ceanothus incanus H. S. Yates 1934-4-21 3782 Sonoma Near Freestone 60 Comment
  HSC18295  Ceanothus integerrimus R. N. Neuns 1950-5-17 111 Sonoma 4 mi E of the Geyers (Airline) 991 Comment
  CAS-BOT-BC50720  Ceanothus integerrimus var. macrothyrsus Helen D. Geis 1902-1-1 s.n. Sonoma unspecified Comment
  SD56786  Ceanothus jepsonii Darley F. Howe 1963-5-23 3531 Sonoma 4 mi. no. of Cloverdale on #128 334 Comment
  RSA399004  Ceanothus jepsonii subsp. albiflorus Christopher Davidson 1977-6-20 6013 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  CAS-BOT-BC51880  Ceanothus parryi Lester Rowntree 1933-6-5 s.n. Sonoma Occidental Comment
  CAS-BOT-BC51881  Ceanothus parryi Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford Comment
  RSA122368  Ceanothus parryi H. S. Yates 1934-4-21 5371 Sonoma near Guerneville 91 Comment
  UC18394  Ceanothus parryi J. J. Rivers 1800-1 Sonoma at Howard's Comment
  SD88409  Ceanothus parvifolius D. F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range 395 Comment
  CAS-BOT-BC52125  Ceanothus prostratus J. Clausen 1933-3-26 740 Sonoma Rincon Range east of Santa Rosa Comment
  CAS-BOT-BC53042  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western Base of Mt. Hood Comment
  CAS-BOT-BC53050  Ceanothus sonomensis Milo S. Baker 1946-2-14 11266 Sonoma Hope Valley near Chamberlain Place, region of Kenwood Comment
  CAS-BOT-BC83739  Ceanothus sonomensis D. O. Burge 2007-4-27 897 a Sonoma Mayacmas Mountains, Hood Mountain Regional Park and Open Space Preserve 480 Comment
  RSA755235  Ceanothus sonomensis Dylan O. Burge 2007-4-26 DOB 895 c Sonoma Mayacmas Mts.: head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles east of SR 12, 4.9 km 85 degrees true ENE of Glen Ellen. 560 Comment
  RSA757810  Ceanothus sonomensis Dylan O. Burge 2008-5-25 DOB 991 c Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at the residence of Marc Schwager and Allison Ash, Elarra Reserve, 3200 Cavedale Road, 4.5 km 92 degrees east-southeast of Glen Ellen. 500 Comment
  UC1299588  Ceanothus sonomensis Freed W. Hoffman 1947-3-12 754 Sonoma Trinity road, northeast of Kenwood, Napa Range, west slope Comment
  CAS-BOT-BC52395  Ceanothus velutinus W. W. Carruth 1907-6-1 s.n. Sonoma Near Seaview Comment
  CAS-BOT-BC52399  Ceanothus velutinus Walter Knight; Irja Knight 1963-12-27 468 Sonoma Summit. Pine Flat Rd. Comment
  SDSU6444  Centaurea calcitrapa D. F. Howe 1962-7-28 3362 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  CDA35750  Centaurea iberica A. Smith & A. McVicker 2011-6-1 PDR# 1597184 Sonoma Calistoga, 13250 Highway 128 0 Comment
  CAS-BOT-BC277251  Centaurea solstitialis Peter Rubtzoff 1953-11-1 1438 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  CAS-BOT-BC277258  Centaurea solstitialis L. R. Abrams 1916-7-4 5794 Sonoma Road between Petrified Forest and Mark West Comment
  UCR25335  Centaurium muehlenbergii John C. Roos 1957-7-3 6652 Sonoma North Coast Ranges, Healdsburg 33 Comment
  POM130634  Centaurium muehlenbergii A. A. Heller 1902-6-28 5793 Sonoma Between Knight s Valley and Mark West Springs. Comment
  CDA388  Centaurium venustum D. G. Kelch 2003-7-14 3 .379 Sonoma Cavedale Road. Comment
  UC523518  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mi e Shellville Comment
  CAS-BOT-BC311802  Cerastium Peter Rubtzoff 1972-4-23 6738 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UC1084464  Cerastium arvense G. Thomas Robbins 1937-6-6 228 Sonoma hills 2 - 3 mi. e. of Bodega Bay Comment
  UCD160139  Cerastium glomeratum James A. Neilson Jr. 1974-3-27 3013 Sonoma Mayacmas Mountains. The Geysers. Site A-74. (Elevation and exact location estimated by label maker; in Mayacmas Flora it says this collection number is from Truit Creek.) 365 Comment
  CAS-BOT-BC388436  Cerastium glomeratum G. DeNevers 1981-4-16 713 Sonoma Pepperwood Ranch. Garrison Canyon, by shack Comment
  CAS-BOT-BC388440  Cerastium glomeratum Ella Dales Cantelow 1940-4-20 3444 Sonoma N. of Ft. Ross, Hy 1 Comment
  CAS-BOT-BC400223  Ceratophyllum demersum Greg de Nevers 1991-8-8 9769 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In largest Double Pond 475 Comment
  CAS-BOT-BC400234  Ceratophyllum demersum Peter Rubtzoff 1955-7-30 1997 Sonoma Bennett Mtn. Lake Comment
  UC15102 Image available Cercis occidentalis H. N. Bolander 1864-1 3946 Sonoma The Geysers Comment
  RSA6405  Cercocarpus betuloides Jens Clausen 1933-3-25 734 Sonoma Santa Rosa Creek. 183 Comment
  UC1127922  Cercocarpus betuloides var. betuloides E. Armstrong 1934-3-26 910 Sonoma 1 mi nw of Camp Meeker 121 Comment
  CAS-BOT-BC135417  Cercocarpus betuloides var. betuloides Mary P. Wells 1987-3-27 878 Sonoma By West Soda Creek Road on cliff above Russian River Comment
  CAS-BOT-BC279787  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma Ca. 2 mi. so. of Asti, along U.S. 101 Comment
  UC42452  Cheilanthes covillei F. T. Bioletti 1893-3-12 Sonoma Sonoma Comment
  UC1299768  Cheilanthes intertexta Freed W. Hoffman April 1948 2752 Sonoma near Guerneville (Gabe's Rock, Poole Ridge); North Coast Ranges Comment
  CAS-BOT-BC166671  Chenopodium Peter Rubtzoff 1971-8-9 6639 Sonoma Laguna, Chileno Valley. Comment
  RSA786607  Chenopodium Peter Rubtzoff 1972-7-22 6831 Sonoma Laguna, Chileno Valley. Comment
  UCD165780  Chenopodium Peter Rubtzoff 1972-7-22 6831 Sonoma Laguna, Chileno Valley. Comment
  RSA201185  Chenopodium berlandieri var. zschackei Peter Rubtzoff 1961-8-22 4678 Sonoma Fife Creek Marsh. Comment
  RSA201186  Chenopodium botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 miles E of Guerneville). Comment
  UC168633  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  CDA3067  Chenopodium murale T. Roberts, S. Larson 1989-12-11 Sonoma Near Valley Ford. 0 Comment
  CAS-BOT-BC493400  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  CAS-BOT-BC499255  Chlorogalum pomeridianum Peter Rubtzoff 1951-7-14 476 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  OBI35907  Chloropyron maritimum subsp. palustre David J. Keil 1983-6-29 17193 Sonoma Doran Beach Co Park. Bodega Head Comment
  POM179712  Chorizanthe cuspidata var. cuspidata J. T. Howell 1930-6-8 5271 Sonoma North end of Bodega Bay. Comment
  SEINET4182881  Chorizanthe cuspidata var. villosa K. Brandegee s.n. Sonoma Sand Dunes, Bodega Point Comment
  CAS-BOT-BC257027  Chorizanthe membranacea Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  UCD110110  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  CAS-BOT-BC284428  Cirsium brevistylum John Thomas Howell 1930-6-8 5277 Sonoma 8 miles n. of Bodega Bay Comment
  POM53745  Cirsium douglasii var. breweri A. A. Heller 1902-7-2 5804 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  UCD160217  Cirsium occidentale James A. Neilson Jr. 1974-5-17 3166 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  UCD169967  Cirsium occidentale Peter G. Connors 1990-5-10 s.n. Sonoma Bodega Bay, Bodega Marine Reserve, Bodega Head. Comment
  CAS-BOT-BC290636  Cirsium occidentale var. occidentale Peter Rubtzoff 1958-7-26 3801 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC1618421  Cirsium occidentale var. venustum Barbara Ertter, Lincoln Constance 1993-7-10 12100 Sonoma 5 mi. beyond pavement on Rockpile Rd. w. of Lake Sonoma (rd. to Annapolis) Comment
  RSA0070858  Cirsium quercetorum J. T. Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay. Comment
  CAS-BOT-BC285753  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  JEPS79728  Cirsium remotifolium var. odontolepis Edward Lee with W. A. Setchell 1936-6-7 2205 Sonoma MacLaren Trail Bohemian Grove (roadside) Comment
  JEPS79729  Cirsium remotifolium var. odontolepis Edward Lee with W. A. Setchell 1936-6-7 2205 Sonoma MacLaren Trail Bohemian Grove (roadside) Comment
  UC895054  Cirsium remotifolium var. odontolepis Marcus E. Jones, A. M. 1882-7-18 3385 Sonoma Duncan's Mills Comment
  UC91787  Cirsium remotifolium var. odontolepis T. S. Brandegee 1893-6-30 Sonoma Cazadero Comment
  UC91788  Cirsium remotifolium var. odontolepis K. Brandegee 1886-4-1 Sonoma Santa Rosa Comment
  RSA73992  Cirsium remotifolium var. odontolepis M. S. Baker 1931-5-22 5209 Sonoma Bennett Valley Road, south of Weavers. Comment
  UC30827  Cirsium remotifolium var. odontolepis F. T. Bioletti 1892-1 Sonoma Tracy Comment
  SBBG7970  Cirsium scariosum var. citrinum H. and M. Dearing 1939-5-14 3370 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  SJSU704  Cirsium vulgare A. W. Jacobs 1941-7-27 Sonoma W bank, Russian River near Hilton Comment
  RSA594919  Clarkia John H. Thomas 1955-5-22 5182 Sonoma Along St. Helena Road and West Creek, 1.2 miles W of Sonoma - Napa County line, 6 miles from St. Helena 457 Comment
  UCD37353  Clarkia Beecher Crampton 1959-6-16 5394 Sonoma 1 mile NE of Freestone, along Jonive Road. Comment
  UC1299418  Clarkia amoena Freed W. Hoffman 1947-6-4 528 Sonoma headwaters East Austin Creek; North Coast Ranges Comment
  UC373536  Clarkia amoena Mrs. R. L. Wade 1928-8-16 Sonoma between Bodega and Bodega Bay 5 Comment
Read comments
Apr 14 2009
  SEINET7042574  Clarkia amoena A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  UC423074  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UCR265106  Clarkia concinna Ann Howald 2015-4-1 3338 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 19.2 miles west of intersection with Rockpile Rd, Wheatfield Fork of Gualala River drainage 132 Comment
  SEINET6165015 Image available Clarkia concinna Unknown 1981-5-18 s.n. Sonoma Pine Mountain turnoff, Ida Clayton Rd. 914 Comment
  JEPS85536  Clarkia concinna subsp. concinna L. R. Heckard with R. Bacigalupi and A. Q. Howard 1981-5-19 5508 Sonoma 2.5 mi from Mendocino County line (road from Cloverdale to Boonville, near s base of grade) Comment
  UC1122374  Clarkia concinna subsp. concinna H. S. Yates 1934-4-21 3805 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  SBBG4971  Clarkia gracilis H. and M. Dearing 1939-5-14 3344 Sonoma near Healdsburg Comment
  CAS-BOT-BC163135  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1944-7-3 17484 Sonoma Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC163130  Clarkia gracilis subsp. sonomensis Peter H. Raven; R. Snow 1958-7-23 13686 Sonoma 8.3 miles east of Skaggs Springs on road to Stewarts Point Comment
  CAS-BOT-BC163146  Clarkia gracilis subsp. sonomensis John Thomas Howell 1929-6-9 4303 Sonoma Near highway, Valley of the Moon one mile from Glen Ellen Comment
  POM187553  Clarkia gracilis subsp. sonomensis Marcus E. Jones 1931-7-5 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC163466  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1955-6-3 30260 Sonoma Near Vine Hill School Comment
  UC930727  Clarkia purpurea subsp. quadrivulnera Lewis S. Rose 1940-5-22 40374 Sonoma Sonoma 30 Comment
  CAS-BOT-BC165674  Clarkia unguiculata Freed W. Hoffman 1947-6-4 509 Sonoma Upper reaches of East Austin Creek, Rocky Mountain Comment
  RSA448463  Clarkia unguiculata Christopher Davidson 1977-6-20 6020 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  CDA5445  Claytonia exigua D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .287 Sonoma Cavedale Rd. Comment
  UCD100618  Claytonia exigua Brian Parry 1993-4-17 46 Sonoma Adobe Canyon N of Sugarloaf Ridge. 426 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-BC439320  Claytonia exigua subsp. exigua Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane, 2 mi. north east of Occidental Comment
  CDA12822  Claytonia exigua subsp. glauca G. F. Hrusa, R. Gross 1996-3-8 12654 A Sonoma North Coast Biodiversity Arena; Between Foote Creek and Briggs Creek on Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  CAS-BOT-BC439407  Claytonia gypsophiloides A. A. Heller; H. E. Brown 1902-3-16 5073 Sonoma Russian River, near Trenton Comment
  UC66143  Claytonia gypsophiloides A. A. Heller 1902-3-16 Sonoma near Trenton Comment
  UCD160138  Claytonia gypsophiloides James A. Neilson Jr. 1974-3-27 3011 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  RSA293048  Claytonia gypsophiloides Reino Alava 1957-3-23 525 Sonoma Dry serpentine hillside, four miles NW of Cloverdale, on State Highway. 128 Comment
  UC625511  Claytonia gypsophiloides Frank W. Gould 1938-4-3 119 b Sonoma 1 mi w Sonoma County line (on the road from Calistoga) 182 Comment
  CAS-BOT-BC439638  Claytonia parviflora subsp. parviflora Carl Meyer 1929-3-29 s.n. Sonoma Unspecified Comment
  SEINET5173903  Claytonia perfoliata Unknown 1994-4-3 74 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  RSA785705  Claytonia perfoliata subsp. perfoliata Carrie A. Herd 1982-4-25 82 Sonoma Crane Creek Regional Park Comment
  UCD100892  Claytonia sibirica Mary M. Hektner 1975-6-3 199 Sonoma coastal terrace, next to trail leading to the beach. Below Pipers' Reach, Unit 24 Owners' Map, near State Highway 1. Comment
  UCR255028  Clematis lasiantha Greg de Nevers 1993-8-14 10489 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  SEINET12091841  Clematis lasiantha F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -101 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  RSA534574  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River Comment
  CAS-BOT-BC92744  Clematis ligusticifolia Volney Rattan 1884-1-1 s.n. Sonoma Russian River. Comment
  JEPS61595  Clintonia andrewsiana Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  CAS-BOT-BC499955  Clintonia andrewsiana George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  RSA12260  Clintonia andrewsiana Carl B. Wolf 1934-6-29 5805 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  CAS-BOT-BC366865  Collinsia heterophylla Greg de Nevers 1998-4-21 11157 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Below Jim & Donna's house 400 Comment
  SEINET7067331  Collinsia heterophylla A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  RSA66915  Collinsia heterophylla E. K. Balls 1951-5-3 16409 Sonoma Maacama (Miyakama) Creek, between Kellogg and Alexander Valley, Hwy 28, 2 mi. from turnoff to Geyserville. 610 Comment
  RSA41892  Collinsia sparsiflora var. arvensis H. C. Cantelow 1936-4-11 1221 Sonoma Bet. Shellville and Napa. Comment
  JEPS128321  Collinsia tinctoria Roger Raiche 2000-6-6 132 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET12337433  Collomia heterophylla W. Knight, Knight, I.; Knight, T. 1985-1 5147 Sonoma Comment
  CAS-BOT-BC230698  Collomia rawsoniana Walter Knight; Irja Knight; Tiffany Knight 1985-7-15 5144 Sonoma From garden of Knight, Petaluma Comment
  SEINET12332732  Collomia rawsoniana W. Knight, Knight, I.; Knight, T. 1985-1 5144 Sonoma Petaluma Comment
  CAS-BOT-BC344847  Conyza Peter Rubtzoff 1990-10-27 10234 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  UCD138898  Corallorhiza striata K. Esau 1933-4-14 s.n. Sonoma Napa County, Calistoga, near petrified forest. Comment
  CAS-BOT-BC376337  Cordylanthus Greg de Nevers 1997-8-17 11074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  JEPS33001  Cordylanthus pilosus subsp. pilosus Freed W. Hoffman 1946-8-14 783 Sonoma near serpentine island e Camp Meeker; North Coast Ranges Comment
  CAS-BOT-BC238223  Cordylanthus tenuis subsp. brunneus Greg de Nevers 1991-7-15 9758 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  JEPS6736  Cordylanthus tenuis subsp. brunneus W. L. Jepson 1893-9-23 21348 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC238234  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS62600  Cordylanthus tenuis subsp. capillaris T. I. Chuang with Fei-Mei Chuang 1970-7-25 6834 Sonoma 2.7 mi ne Occidental (Stoetz Road, w of Harrison grade) Comment
  OBI9576  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-1 Sonoma Comment
  UC1094010  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi e Occidental 243 Comment
  CDA39435  Cordyline australis Tony Morosco, Adam Holbrook 2004-1-19 s.n. Sonoma Salt Point State Park, Deadman Gulch. From just north of Hwy 1 roadmarker 43 follow south fork of dirt road due east, in partial forest opening approx. 100 feet above stream. 0 Comment
  UCD158733  Cornus nuttallii Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. south of Big Sulphur Creek. Elevation estimated by label maker. 792 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
  JEPS58665  Corylus californica W. L. Jepson 1923-7-20 10025 Sonoma Sonoma Canyon Comment
  CAS-BOT-BC180189  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-10-3 314 Sonoma Crane Canyon Comment
  UCSB1014  Corylus cornuta subsp. californica Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna road and 5.1 miles north of Sebastopol in Vinehill region 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-BC427646  Crassula aquatica Greg de Nevers 1993-5-30 10461 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  SD206989  Crassula aquatica Reid Moran, C. Quibell and W. Knight. 1991-5-21 31054 Sonoma Diversion channel south of Spring Lake, Santa Rosa. 99 Comment
  UCD55334  Crassula aquatica Ellen Dean 2006-6-28 3178 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Edges of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC427660  Crassula aquatica Peter Rubtzoff 1969-5-24 6052 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  RSA0073843  Crassula solieri Reid V. Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  SBBG50614  Crataegus douglasii D. Ryerson 1969-5-3 42 Sonoma W side of Jonive Rd, 0.5 mi N of jct with Bodega Hwy, ca. 1.5 mi NE of Freestone Comment
  RSA178024  Crataegus suksdorfii Robert F. Thorne 1965-4-19 34279 Sonoma half way betw Freestone and Occidental. 137 Comment
  SBBG30057  Cressa truxillensis M. S. Baker 1946-1 11710 Sonoma less than 1 mi N of jct of Sears Pt Cutoff and Black Pt Hwy Comment
  UCD126218  Cressa truxillensis Milo S. Baker Fall 1946 11710 Sonoma less than 1 mile north of junction of Black Point Highway and Sears Point cut off. Comment
  UC963925  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-30 11770 Sonoma sw slope Hood Mt. Comment
  CAS-BOT-BC257333  Crocosmia X crocosmiiflora Peter Rubtzoff 1970-10-3 6412 Sonoma Bodega Harbor Marsh. Comment
  CDA37889  Crupina vulgaris CDFA Staff s.n. Sonoma Santa Rosa. 0 Comment
  CDA4461  Crupina vulgaris G. D. Barbe 1991-5-15 4412 (b) Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  CAS-BOT-BC190103  Crypsis schoenoides John Thomas Howell 1957-9-16 32979 Sonoma Russian River bottom, near Guerneville. Comment
  CAS-BOT-BC190181  Crypsis vaginiflora Peter Rubtzoff 1966-8-18 5788 Sonoma Laguna de Santa Rosa ca. 1 mile east southeast of Sebastapool. Comment
  CAS-BOT-BC376222  Cryptantha Greg de Nevers 1993-3-28 10336 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Shriver Canyon 304 Comment
  UCD119057  Cryptantha ambigua Collector unknown 1932-7-7 s.n. Sonoma Calistoga, near Petrified Forest. Comment
  HSC100102  Cupressus macnabiana J. P. Smith, & J. O. Sawyer 2010-4-26 12721 Sonoma 641 Comment
  UCD110844  Cupressus macnabiana Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC85427  Cupressus sargentii W. Knight; Irja Knight 1963-11-21 2500 Sonoma Harrison Grade between Graton and Occidental Comment
  CAS-BOT-BC85472  Cupressus sargentii J. Ed. McClellan; Mrs. J. Ed. McClellan 1975-1-11 s.n. Sonoma Harrison Grade Rd. Comment
  JEPS82410  Cupressus sargentii Roger Raiche 1983-9-20 30726 A Sonoma ridge s Duvoul Creek (e of Bohemian Highway (n of Camp Meeker)) Comment
  RSA178042  Cupressus sargentii Robert F. Thorne 1965-4-19 34281 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  RSA6472  Cupressus sargentii Jens Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade, between Graton and Occidental Comment
  NY16794  Cupressus sargentii D. D. Keck 1933-11-6 2651 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET11739539  Cupressus sargentii W. Knight, Knight, I.; Edwards, S. 1986-1 5362 Sonoma Geyser Peak, along trail to summit 975 Comment
  CAS-BOT-BC190301  Cynodon dactylon Peter Rubtzoff 1955-7-24 1983 Sonoma Forestville Marsh. Comment
  UCR248761  Cynodon dactylon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles south of Stony Point Road 75 Comment
  SEINET176301 Image available Cynodon dactylon var. dactylon M. E. Jones 1882-7-18 Sonoma Duncan's Mills Comment
  UC483308  Cynoglossum grande Ira L. Wiggins 1932-3-12 5760 Sonoma between Knight's Valley and Franz Valley Comment
  CAS-BOT-BC190429  Cynosurus echinatus Catherine Best 1984-6-11 s.n. Sonoma At Goat Rock Park. Comment
  UCD60157  Cynosurus echinatus G. F. Hrusa; R. Gross 1999-6-12 15075 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
Read comments
Aug 15 2010
  UCD60159  Cynosurus echinatus Gerry North 1993-4 21 Sonoma Flora of Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. Second pullout on right after park entrance. 0.3 mile from Goodspeed trailhead. 50m south of Pony Gate Gulch Creek crossing. 274 Comment
  UCR248758  Cynosurus echinatus Peter Rubtzoff 1978-6-11 9209 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley 35 Comment
  UCR253370  Cynosurus echinatus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh 76 Comment
  JEPS86770  Cyperus eragrostis Jack and Betty Guggolz 1990-6-18 1068 Sonoma ca. 12 km. e. Healdsburg (Ferrari-Carano Ranch, Maacamas Creek) 70 Comment
  UCD141032  Cyperus eragrostis Frederica Bowcutt 1994-5-21 1837 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. On side of hillside trail past the junction with Digger Pine trail approximately 1 mile. 411 Comment
  RSA227202  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  JEPS117113  Cyperus niger Peter Warner 2010-7-29 176 Sonoma Lower Pitkin Marsh, N of primary drainage channel, ~ 347 m, N 45 deg. E from Hwy. 116 gate, in quaking bog (fen) area Comment
  CAS-BOT-BC435194  Cypselea humifusa H. K. Wagnon 1991-10-14 1993 Sonoma Jack London State Park. Comment
  UC1606175  Cyrtomium falcatum Liz Parsons and Wendy Born Dec 1995 Sonoma s slope Hood Mt; Hood Mt Regional Park Comment
  CAS-BOT-BC189802  Dactylis glomerata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 6 miles east of Stewarts Point. Comment
  RSA0022473  Dactylis glomerata Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC445559  Damasonium californicum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192267  Danthonia californica A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC192276  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma Bordering Pitkin Marsh Comment
  UCD151305  Danthonia californica James A. Neilson Jr. 1974-7-25 3050 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  UCD21145  Danthonia californica Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 320 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD60982  Danthonia californica Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-21 43 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Hwy. 1. Comment
  SEINET4566587  Danthonia californica var. americana B. Crampton 1963-5-27 6811 Sonoma Alexander Valley; State Highway 128, about 8 miles southeast of Geyserville 152 Comment
  CAS-BOT-BC154123  Datura Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC154138  Datura stramonium var. tatula Peter Rubtzoff 1951-8-5 593 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  JEPS128203  Daucus pusillus Roger Raiche 2000-4-30 051 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR279606  Deinandra corymbosa Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC293810  Deinandra corymbosa Mary M. Hektner 1975-8-14 223 Sonoma Road cut not far from hedgerow separating Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1 Comment
  CAS-BOT-BC9604  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley, west of Occidental Comment
  CAS-BOT-BC9607  Delphinium bakeri Milo S. Baker 1929-5-3 3429 c Sonoma Coleman Valley Comment
  UC804504  Delphinium bakeri Milo S. Baker May 1939 9489 Sonoma Coleman Valley, Sonoma Co. Comment
  CAS-BOT-BC9574  Delphinium bakeri E. Armstrong 1932-5-7 5900 Sonoma Coleman Valley at Hedrin Ranch Comment
  CAS-BOT-BC9025  Delphinium decorum Milo S. Baker 1926-4-14 186 a Sonoma Bodega Bay Comment
  UC726246  Delphinium decorum subsp. tracyi A. A. Heller 1938-5-14 15089 Sonoma steep slope a mi or more e Bodega Bay Comment
  CAS-BOT-BC10341  Delphinium hesperium Joseph Whipple Congdon 1880-6-1 s.n. Sonoma Santa Rosa Comment
  RSA796265  Delphinium hesperium J. Townsend 1977-5-30 s.n. Sonoma East side Russian River about 2 miles south of Gurneyville. 335 Comment
  SBBG53023  Delphinium hesperium subsp. hesperium M. R. Benedict 1978-4-18 Sonoma Skaggs Springs Rd, 8 mi W of Geyersville Comment
  CAS-BOT-BC10129  Delphinium luteum Ella D. Cantelow 1940-4-6 4272 Sonoma W. of Bodega, Hwy. 1 Comment
  UC906501  Delphinium luteum Joseph Ewan 1935-5-12 9203 Sonoma grassy slope on Bodega Bay rd 2 mi w Bodega Comment
  CHSC22991  Delphinium nudicaule Robert A. Schlising 1962-3-31 2116 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  CAS-BOT-BC8003  Delphinium nudicaule Milo S. Baker 1932-5-3 5949 Sonoma Just south of Stewart's Point Comment
  RSA177904  Delphinium nudicaule Robert F. Thorne 1965-4-20 34359 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  RSA138296  Delphinium patens Volney Rattan 1903-1 1880 Sonoma Healdsburg Comment
  JEPS83462  Delphinium patens subsp. patens Jack and Betty Guggolz 1985-4-27 699 BG Sonoma e Spring Lake; Spring Meadows (tentative subdivision) Comment
  CAS-BOT-BC121725  Delphinium patens subsp. patens Gregory Clark de Nevers 1981-5-7 994 Sonoma Pepperwood Preserve, Hansel's Lake Comment
  UC1334517  Delphinium variegatum G. A. L. Mehlquist and J. A. Jenkins 1940-5-28 1 Sonoma on Route 12 0.7 mi s Nunn's canyon road Comment
  UC906463  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9241 Sonoma 2 mi n Kenwood; Los Guilicos Comment
  UCD136322  Dendromecon rigida M. Rei Scampavia Evangelista 2012-5-20 9 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  CAS-BOT-BC585  Dendromecon rigida subsp. rigida Roxana Stinchfield Ferris; Laura Lorraine 1961-6-15 13558 Sonoma Green Valley Rd, 0.8 miles east of junction with Harrison Grade Rd. Comment
  CAS-BOT-BC210076  Dentaria Peter Rubtzoff 1958-5-10 3651 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  CAS-BOT-BC192615  Deschampsia cespitosa subsp. holciformis David L. Morgan 1960-7-10 s.n. Sonoma Bodega coast 1 mi. south of Carmet Comment
  UC1146616  Deschampsia cespitosa subsp. holciformis Freed W. Hoffman 1944-6-8 2032 Sonoma Kruz Ranch North Coast Ranges, Sonoma Coast, Kruz Ranch Comment
  UCD62546  Deschampsia danthonioides Beecher Crampton 1966-5-10 7725 Sonoma 6.5 miles north of Sonoma State Hwy. 12. Comment
  CAS-BOT-BC201954  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-BC201958  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley near Santa Rosa Comment
  CAS-BOT-BC227656  Deschampsia elongata Peter Rubtzoff 1964-6-24 5373 Sonoma Lower Salmon Creek Marsh. Comment
  OBI6278  Dicentra formosa Ann C. Likins 1970-5-16 121 Sonoma Near Russian River, Moscow Rd, Rio Nido 24 Comment
  RSA264775  Dicentra formosa subsp. formosa Peter Rubtzoff 1975-4-27 7950 Sonoma Forest Hills, 5.5 miles east of Guerneville. At 9981 Old River Road Comment
  CAS-BOT-BC208931  Dichanthelium acuminatum subsp. acuminatum Peter Rubtzoff 1951-7-22 532 Sonoma Uppermost part of NE western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC502209  Dichelostemma capitatum F. Almeda; G. DeNevers 1981-3-30 4883 Sonoma Vicinity of the Bechtel Cabin. Comment
  SEINET12044683  Dichelostemma capitatum J. T. Howell 1931-1 6428 Sonoma 8 m N of Bay Comment
  SEINET6879167  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  UCD126369  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma five miles north of Jenner. Comment
  CAS-BOT-BC176369  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC151378  Diplacus tricolor Peter Rubtzoff; H. A. Froebe 1971-5-30 6482 Sonoma 4.25 mi. west of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC182753  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  UCR244623  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC196920  Distichlis spicata David L. Morgan 1956-5-8 s.n. Sonoma 3 miles southeast of Petaluma on Lakeville road Comment
  SEINET10662294  Distichlis spicata P. Rubtzoff 1955-8-20 Rubtzoff 2065 Sonoma Bodega Harbor Marsh. Comment
  UCD64619  Distichlis spicata var. stolonifera Mary M. Hektner 1976-8-26 263 Sonoma Walk-on-Beach, Sea Ranch, near Sate Highway 1, Unit 28 Owner's Map. Comment
  CDA1349  Dittrichia graveolens S. Ostrom 2006-9-1 PDR# 1328648 Sonoma Windsor; Shiloh Rd. & Business Park Ct. Comment
  HSC17854  Dodecatheon hendersonii R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1327 Sonoma 1 mi. NW of Big Geysers Comment
  RSA247149  Dodecatheon hendersonii Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1006 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  SD88563  Dodecatheon hendersonii Darley F. Howe 1972-2-20 4804 Sonoma Mt. Hood Range Comment
  UC416606  Downingia concolor var. concolor Katharine Brandegee Sonoma Santa Rosa Comment
  UCD165153  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  UCR279855  Downingia concolor var. concolor Peter Rubtzoff 1966-6-5 5752 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 mile from Llano Road 29 Comment
  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
  JEPS108503  Downingia concolor var. concolor Lisa Schultheis with Tony Morosco 1995-5-31 187 -95 Sonoma NW Santa Rosa. W side of Pinter Rd., near Waltzer Rd. Comment
  UC76661  Downingia concolor var. concolor Miss M. Alice King May 1897 Sonoma Comment
  CAS-BOT-BC154161  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UC1019327  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  CAS-BOT-BC159445  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1952-6-10 1222 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC527348  Drymocallis glandulosa var. reflexa F. G. Krauss 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  CAS-BOT-BC71020  Dryopteris arguta Walter Knight; Irja Knight 1964-2-16 525 Sonoma Mill Creek Road Comment
  CAS-BOT-BC71021  Dryopteris arguta Walter Knight; Irja Knight 1963-12-27 460 Sonoma Pine Flat Road Comment
  CAS-BOT-BC71075  Dryopteris expansa J. Burtt Davy 1896-3-13 s.n. Sonoma near Duncan's Mill Comment
  UC499854  Dudleya farinosa Roxana S. Ferris 1932-5-27 8260 Sonoma n end Bodega Bay (bluffs) Comment
  CAS-BOT-BC428379  Dudleya farinosa Alice Eastwood 1915-6-5 s.n. Sonoma Calistoga Comment
  SEINET1909911  Dysphania botrys Barbara Ertter 1988-1 8029 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152 Comment
  SD131828  Dysphania pumilio Barbara Eritter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, Point below Little Flat parking area W of bridge, steep bare banks left by receding water. 152 Comment
  CAS-BOT-BC176199  Echinochloa crus-galli Peter Rubtzoff 1956-9-14 2860 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA796377  Echinochloa crus-galli Peter Rubtzoff 1955-8-7 2031 Sonoma Sonoma County: Guerneville Marsh. Comment
  UCD148392  Echinochloa crus-galli Peter Rubtzoff 1956-9-15 2901 Sonoma Atascadero Creek Marsh. Comment
  UCD60945  Echinochloa crus-pavonis Virginia Bufford 1935-9-8 79 Sonoma Pitkins Yard, Vine Hill District. Comment
  UCD160914  Ehrendorferia chrysantha James A. Neilson Jr. 1975-7-8 3421 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  CAS-BOT-BC257351  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC113726  Eleocharis acicularis Catherine Best 1983-10-10 900 Sonoma Where water had receded at the Lake on Stoltz Lane ca. 2 mi NE of Occidental. Comment
  CAS-BOT-BC112073  Eleocharis quinqueflora Peter Rubtzoff 1952-5-31 1125 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112199  Eleocharis radicans Peter Rubtzoff 1954-7-29 1611 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC112202  Eleocharis radicans Peter Rubtzoff 1956-9-16 2918 Sonoma Vacation Beach, near Guerneville. Open, muddy margin of a pool on Russian River bottom. Comment
  POM193576  Elymus R. C. Bacigalupi 1926-5-2 1405 Sonoma Cazadero. Comment
  CDA36958  Elymus glaucus CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SEINET239008  Elymus glaucus P. G. Connors 1990-5-25 19 Sonoma Bodega Marine Station below BMR 0500N 4100E. Comment
  UC1146677  Elymus glaucus Freed W. Hoffman 1943-6-13 2047 Sonoma Little Sulphur Creek North Coast Ranges Comment
  UCD160900  Elymus glaucus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3583 Sonoma Section 10, 1 1/2 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UCD62305  Elymus glaucus H. S. Yates 1936-5-16 5585 Sonoma 1 mile N.E. of Graton. 30 Comment
  RSA129232  Elymus glaucus H. S. Yates 1937-6-5 6574 Sonoma 3 miles S.S.E. of Wildwood; Santa Rosa 122 Comment
  UC1011033  Elymus glaucus Virginia Bufford 1935-5-9 35 Sonoma Stony Point-Two Rock Rd.; along R.R. Comment
  CAS-BOT-BC203711  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-10 1229 A Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203714  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-11 1251 Sonoma South slope sof Fitch Mtn., near Healdsburg 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
  UCD38725  Elymus glaucus subsp. virescens Beecher Crampton 1957-7-11 4311 Sonoma 1.4 miles southeast of Bodega Bay. Comment
  UCD62407  Elymus glaucus subsp. virescens Beecher Crampton 1957-7-11 4311 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC235230  Elymus multisetus G. DeNevers 1981-7-1 1723 Sonoma Pepperwood Ranch. On the slope W of the Goat Pen in the Garrison Canyon Comment
  UCD62508  Elymus multisetus David L. Morgan 1956-5-15 Sonoma 3 mi. W. of Petaluma on 'I' st. Ext. Comment
  UC483680  Epilobium brachycarpum Milo S. Baker 1931-9-13 5565 Sonoma near Kenwood; Clifton Hawkins Ranch Comment
  SEINET13287585 Image available Epilobium ciliatum A. G. Vestal 1937-6-18 s.n. Sonoma Comment
  CAS-BOT-BC268058  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-7-20 5923 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC268070  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1685 Sonoma Guerneville Marsh. Comment
  UCD166203  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC262987  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1524 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800037  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-7-20 5923 Sonoma Upper Salmon Creek Marsh. Comment
  UCD160972  Epilobium densiflorum James A. Neilson Jr. 1975-7-8 3407 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCD148363  Epilobium densiflorum Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mountain Lake. Comment
  UC1299436  Epilobium foliosum Freed W. Hoffman 1947-4-13 1848 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  SEINET10847992 Image available Epilobium torreyi Henry N. Bolander 1867-1 Bolander 6535 Sonoma Cloverdale. Comment
  POM168221  Epipactis gigantea A. A. Heller 1902-6-24 5747 Sonoma Near Burkes Sanitarium Comment
  UC1299380  Epipactis gigantea Freed W. Hoffman 1947-5-30 518 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  RSA784481  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA784482  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57127  Equisetum X ferrissii Mary P. Wells 1984-7-20 389 Sonoma East bank South Fork Gualala River, opp. the Hot Spot, the Sea Ranch Comment
  CAS-BOT-BC164652  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC57814  Equisetum laevigatum Dorothy Scherer 1996-4-8 022 Sonoma Kolmer Gulch, w. of Hwy 1, ca. 100' from ocean, Fort Ross State Historic Park. 0 Comment
  RSA784475  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  CAS-BOT-BC57653  Equisetum telmateia A. A. Heller; H. E. Brown 1902-3-27 5161 Sonoma Western Base of Mt. Hood Comment
  UC810419  Equisetum telmateia subsp. braunii L. Koch 1938-5-24 58 Sonoma 2 mi e Glen Ellen (canyon off Rutherford Rd.) Comment
  RSA0023076  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  CDA2089  Eragrostis cilianensis E. P. Delfino Sonoma 4051 Harrison Grade Road, Sebastopol. 0 Comment
  CAS-BOT-BC204642  Eragrostis mexicana subsp. virescens David L. Morgan 1960-6-22 s.n. Sonoma Watkins Ranch, 1/2 mi. NW of Penngrove on Redwood Highway Comment
  CAS-BOT-BC284189  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1961-8-25 4720 Sonoma Forest Hills east of Guerneville, Russian River Comment
  CAS-BOT-BC164044  Erechtites glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC164079  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  CAS-BOT-BC291172  Erechtites glomeratus Mary P. Wells 1985-5-26 494 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  RSA785231  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 mi SE of Guerneville. Comment
  UC1563681  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  CAS-BOT-BC131608  Ericameria arborescens Edw. L. Greene 1888-8-31 s.n. Sonoma Petrified Forest Comment
  RSA149838  Ericameria ericoides var. ericoides George W. Barclay 1839-10 3037 Sonoma Bodegas Comment
  CAS-BOT-BC293622  Erigeron biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's [Duncans] Mills Comment
  CAS-BOT-BC293630  Erigeron biolettii Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC295125  Erigeron glaucus Walter Knight; Irja Knight 1963-8-13 169 Sonoma Horseshoe Cove Comment
  UC2031714  Erigeron greenei Sherry Adams 2011-7-15 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 1400' E of confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch Comment
  JEPS116515  Erigeron reductus var. angustatus Peter Warner with R. Raiche, B. Edwards 2009-7-30 108 Sonoma Jenner Headlands, off State Hwy 1 about 1 mi N of Jenner village; E of power lines, W of Jenner Gulch 175 Comment
  HSC100973  Erigeron serpentinus Peter Warner 2011-8-10 224 Sonoma Jenner Headlands Property, Upper Russian Gulch Pasture, N of power lines. 227 Comment
  RSA551257  Erigeron sumatrensis Mary P. Wells 1990-1-3 1027 Sonoma Edge of large parking lot two blocks west of Laguna de Santa Rosa Creek, Sebastapol Comment
  CAS-BOT-BC224155  Eriodictyon californicum Irja Knight; Walter Knight 1964-11-15 784 Sonoma Hood's [Hood] Peak in meadow above Johnson Dam Comment
  UC75653  Eriodictyon californicum Milo S. Baker 1898-6-11 Sonoma Little Sulphur Creek Comment
  LA206932  Eriogonum latifolium John Thomas Howell; 1930-6-8 5288 Sonoma 8.5 mi. N of Bodega Bay Comment
  CAS-BOT-BC259252  Eriogonum latifolium W. R. Dudley 1893-9-9 s.n. Sonoma Near mouth of Russian River Comment
  POM258435  Eriogonum latifolium C. L. Hitchcock, J. S. Martin 1939-7-15 5444 Sonoma Cliffs below Bodega State Park Comment
  UC722369  Eriogonum latifolium C. L. Hitchcock, J. S. Martin 1939-7-15 5444 Sonoma cliffs below Bodega State Park Comment
  CAS-BOT-BC259468  Eriogonum luteolum Catherine Best 1981-8-23 s.n. Sonoma Stoetz Lane, 2 m. east of Occidental Comment
  UC1299730  Eriogonum luteolum var. luteolum Freed W. Hoffman 1947-9-11 1375 Sonoma Spring Mountain road to St. Helena Comment
  CAS-BOT-BC270975  Eriogonum nervulosum Roger Raiche 1984-6-23 43234 Sonoma The Cedars, N. of Cazadero on King Ridge Road, headwaters Big Austin and East Austin Creeks, near Red Slide, E. Augstin Creek 548 Comment
  RSA181898  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine, Austin Creek. Comment
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Oct 12 2013
  UCD168058  Eriogonum nervulosum James Neilson 1978-6-17 3969 Sonoma Mayacmas Mountains, east of Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  RSA221  Eriogonum nudum var. auriculatum E. R. Johnson 1928-8-22 1112 Sonoma Cloverdale Comment
  CAS-BOT-BC262393  Eriogonum vimineum R. D. Stone 1983-6-16 552 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  UCD131468  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1996-5-19 2129 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, about 1/4 air mile NE of Red Mtn. Along Bald Mtn. Trial. 633 Comment
  CAS-BOT-BC301149  Eriophyllum lanatum var. achilleoides A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC301150  Eriophyllum lanatum var. achilleoides F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch Comment
  CAS-BOT-BC301155  Eriophyllum lanatum var. achilleoides Alice Eastwood 1915-6-5 4561 Sonoma Petrified Forest Comment
  CDA5239  Eriophyllum lanatum var. achilleoides G. D. Barbe 1982-5-27 3619 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  UC893781  Eriophyllum lanatum var. arachnoideum Marcus E. Jones, A. M. 1882-7-17 2733 Sonoma Duncans Mills Comment
  CAS-BOT-BC301289  Eriophyllum lanatum var. arachnoideum Doreen L. Smith 1994-8-5 s.n. Sonoma Stoetz Lane Comment
  CAS-BOT-BC302013  Eriophyllum staechadifolium Walter Knight; Irja Knight 1963-8-13 162 Sonoma Horseshoe Cove Comment
  POM180623  Eriophyllum staechadifolium J. T. Howell 1930-6-8 5292 Sonoma 8.5 miles north of Bodega Bay. Comment
  UCD165124  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  CDA34792  Erodium botrys Peter Warner 2010-3-29 119 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  HSC8505  Erodium brachycarpum F. Demostene 1966-4-5 29 Sonoma 1 mi. W of Healdsburg Comment
  UCD103250  Erodium moschatum Frederica Bowcutt; Kate Mawdsley 1996-3-24 2072 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  UCD150144  Eryngium aristulatum Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  SBBG27233  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma San Pablo Bay SW of Sonoma Comment
  HSC92211  Eryngium armatum A. T. Austin 1990-5-23 Sonoma Fort Ross State Park, FR 42 Comment
  POM161245  Eryngium armatum Rimo Bacigalupi 1928-6-19 1884 Sonoma Mouth of Salmon Creek, 2 miles north of Bodega Bay 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
  CAS-BOT-BC366860  Erythranthe guttata Greg de Nevers 1998-3-30 11151 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Martin Creek, Handley Flat 400 Comment
  CAS-BOT-BC153623  Erythranthe inodora Peter Rubtzoff 1955-7-9 1945 Sonoma Forestville Marsh Comment
  RSA785713  Erythronium californicum Carrie A. Herd 1982-3-28 62 Sonoma Scagg Springs Road, near bridge no. 1 Comment
  CAS-BOT-BC133296  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 609 Comment
  SEINET6911603  Eschscholzia caespitosa W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy grassland about 7.8 miles south-southeast of Annapolis; northwest Sonoma county. Comment
  JEPS51720  Eschscholzia californica W. L. Jepson 1911-4-30 4188 Sonoma near Glen Ellen; Sonoma Valley Comment
  SEINET3355597 Image available Eschscholzia californica Katharine Brandegee 1905-1 Sonoma Comment
  SEINET7067273  Eschscholzia californica A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  RSA22010  Eschscholzia californica subsp. californica Alice Eastwood, John T. Howell 1939-4-2 7373 Sonoma Coast north of Bodega Bay Comment
  CAS-BOT-BC5891  Eschscholzia debilis Gwendolan Newell 1900-8-1 s.n. Sonoma Russian River Station Comment
  CAS-BOT-BC202766  Euonymus occidentalis H. E. McMinn 1922-6-7 190 Sonoma Above Monte Rio Comment
  UC1071564  Euonymus occidentalis var. occidentalis E. Armstrong 1934-3-26 903 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. Comment
  CAS-BOT-BC202541  Euphorbia Peter Rubtzoff 1987-10-17 9877 Sonoma Russian River ca. 6 miles east of Guerneville Comment
  SEINET12143865  Euphorbia supina K. Wagnon, Knight, W. 1987-1 6103 Sonoma Spring Lake Village east of Santa Rosa 15 Comment
  RSA0065155  Eurybia radulina Greg de Nevers 1997-8-17 11078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  UC126706  Eurybia radulina Geo. R. Hall 1906-10-14 Sonoma Guerneville Comment
  UC29886  Eurybia radulina Edw. L. Greene Aug 31 1888-Jan 1 1900 Sonoma Petrified Forest Petrified Forest Comment
  CAS-BOT-BC164358  Fabaceae Peter Rubtzoff 1971-5-30 6504 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC239718  Fabaceae A. Day 1982-6-1 82 65 B Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC239720  Fabaceae Peter Rubtzoff 1974-6-2 7520 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC239725  Fabaceae Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing Comment
  CAS-BOT-BC311831  Festuca Peter Rubtzoff 1969-8-29 6166 Sonoma Along beach of Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC371449  Festuca Greg de Nevers 1998-6-10 11279 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UCR253367  Festuca arundinacea Peter Rubtzoff 1974-5-25 7455 Sonoma Upper Green Valley Marsh 76 Comment
  RSA0056426  Festuca arundinacea Greg de Nevers 1998-6-10 11276 Sonoma Modini Mayacama Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UC729997  Festuca californica Leo F. Koch 1940-4-20 805 Sonoma 9 mi s Stewarts Point (along Highway 1) Comment
  UCD151103  Festuca californica James A. Neilson Jr. 1973-6-3 2961 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-BC283187  Festuca californica subsp. californica G. DeNevers 1981-6-6 1450 Sonoma Franz Valley Road, 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
  RSA121316  Festuca idahoensis H. S. Yates 1937-5-30 6544 Sonoma 3 miles WNW of Graton. 61 Comment
  CAS-BOT-BC278883  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point - Annapolis Comment
  CAS-BOT-BC376431  Festuca occidentalis Greg de Nevers 1996-5-29 10823 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen. 400 Comment
  UCD66126  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart point - Annapolis road. Comment
  UCD66322  Festuca rubra P. B. Kennedy 1918-5-28 Sonoma 8 miles from Santa Rosa, Calistoga, Petrified Forest Road. Comment
  CAS-BOT-BC353382  Filago Peter Rubtzoff 1972-6-29 6801 Sonoma Laguna, Chileno Valley. Comment
  UCR256283  Filago gallica Peter Rubtzoff 1973-7-24 7197 Sonoma Upper Green Valley Marsh Comment
  POM140717  Fragaria californica A. A. Heller 1902-3-16 5074 Sonoma Russian River, Near Trenton. Comment
  CAS-BOT-BC457574  Fragaria vesca subsp. californica Alice Eastwood 1915-6-5 4616 Sonoma Petrified Forest Comment
  CAS-BOT-BC457578  Fragaria vesca subsp. californica Peter Rubtzoff 1957-5-4 3304 Sonoma Border of upper part of Duncan's Mills Marsh, Sonoma County Marshes Comment
  CAS-BOT-BC218584  Fraxinus latifolia Peter Rubtzoff 1957-6-28 3394 Sonoma Duncans Mills Marsh Comment
  CDA29319  Fraxinus latifolia D. G. Kelch 2007-10-16 7 .644 Sonoma Novato. Novato Creek nr Pioneer Park. 0 Comment
  UC1299214  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1948-6-16 2698 Sonoma North Coast Ranges, Red Slide, upper East Austin Creek East Austin Creek; North Coast Ranges, Red Slide, upper East Austin Creek Comment
  POM169385  Fritillaria affinis A. A. Heller, H. E. Brown 1902-3-25 5148 Sonoma Near Mark West Springs Comment
  RSA247212  Fritillaria affinis Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1005 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 miles from junction with Highway 128 Comment
  CAS-BOT-BC130454  Fritillaria purdyi Milo S. Baker 1927-4-22 s.n. Sonoma Mt. St. Helena 853 Comment
  CAS-BOT-BC508136  Fritillaria recurva J. P. Moore 1877-3-1 350 Sonoma Skaggs Springs Comment
  SD88433  Galium aparine Darley F. Howe 1972-4-30 Sonoma South of Bodega Bay Comment
  UCD151302  Galium bolanderi James A. Neilson Jr. 1974-7-31 3165 Sonoma Mayacmas Mountains. Three-quarters of a mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  RSA67159  Galium californicum subsp. californicum J. T. Howell 1930-6-8 5246 Sonoma 1 mile east of Bodega Bay Comment
  JEPS6686  Galium californicum subsp. californicum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville; Russian River Comment
  RSA47803  Galium divaricatum Roxana S. Ferris, Laura Lorraine 1948-6-9 11661 Sonoma 1 miles from Geyserville on road to Kellogg. Comment
  UCR255647  Galium murale Greg de Nevers 1993-3-30 10338 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  POM118792  Galium porrigens Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  JEPS6613  Galium porrigens var. porrigens Willis L. Jepson 1894-7-19 Sonoma Mt. St. Helena Napa River Basin Comment
  CHSC30057  Galium porrigens var. tenue Terrence Finn 1980-3-15 16 Sonoma Plant found just under Buzzard Rock. 85 Comment
  RSA94357  Galium trifidum Peter Rubtzoff 1951-6-30 315 Sonoma Western branch of the Upper Marsh. Comment
  UCD121949  Galium triflorum Roxana S. Ferris; Laura Lorraine 1961-6-14 13532 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  JEPS34031  Gamochaeta ustulata W. L. Jepson 1931-7-19 15943 Sonoma just n Salmon Creek mouth Comment
  CAS-BOT-BC303496  Gamochaeta ustulata G. DeNevers 1981-5-23 1310 Sonoma Hansel's cow pasture Comment
  RSA170011  Garrya elliptica Robert F. Thorne, P. C. Everett 1964-10-21 34218 Sonoma Ten miles north of Fort Ross along Highway 1 and 0.1 mile north of Kruse Rhododendron Reserve. 61 Comment
  UC486540  Garrya elliptica Mrs. G. Earle Kelly 1932-7-13 Sonoma Stewart Point Comment
  UC727700  Garrya elliptica Milo S. Baker 1946-2-7 11261 Sonoma near Kenwood (Maplewood); Maplewood Comment
  CDA11138  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11549 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  CDA11139  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11550 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  JEPS23940  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley Kenwood Region (near Chamberlain Place) Comment
  CAS-BOT-BC278685  Gastridium phleoides G. DeNevers 1981-5-30 1344 Sonoma Pepperwood Ranch. N of Hansel's corral Comment
  UC50493  Gastridium ventricosum Jos. Burtt Davy 1896-7-23 Sonoma near Duncan's Mills; near Duncan's Mills Comment
  UC903743  Gastridium ventricosum Milo S. Baker 1947-5-5 11727 Sonoma s slope Hood Mt. (above Baker ranch); s slope of Hood Mt. 213 Comment
  HSC14656  Genista monspessulana S. N. Wiemeyer 1962-4-20 18 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD105725  Genista monspessulana Mary M. Hektner 1976-4-3 237 Sonoma Roadcut of State Highway 1: Unit 35-A Owners' Map, Sea Ranch. Comment
  UCD105735  Genista monspessulana D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 760 Comment
  UCD160843  Genista monspessulana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3375 Sonoma Section 10, One-quarter mile west of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker) 457 Comment
  UCD105744  Genista monspessulana G. H. Vansell 1933-7-24 s.n. Sonoma Russian River. Comment
  JEPS61474  Geranium carolinianum Milo S. Baker 1898-5-7 635 Sonoma Glen Ellen Comment
  UCD103320  Geranium dissectum Frederica Bowcutt 1994-5-21 1825 b Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 396 Comment
  UC424771  Geranium molle Milo S. Baker 1929-5-3 3602 a Sonoma Coleman Valley Comment
  UCD168062  Gilia James Neilson 1977-8-10 3955 Sonoma Mayacmas Mountains. Klau Mine, Apple Tree Ck at the 'Orchard'. Turner Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET7067224  Gilia capitata A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road. Coordinate datum: NAD27. Comment
  UC1299524  Gilia capitata subsp. capitata Freed W. Hoffman 1947-6-4 510 Sonoma upper reaches East Austin Creek North Coast Ranges, East Austin Creek, Rocky Mountain (Rocky Mountain) Comment
  UC73644  Gilia capitata subsp. capitata Milo S. Baker 1898-6-1 593 Sonoma Santa Rosa Cemetary Comment
  CAS-BOT-BC225279  Gilia capitata subsp. chamissonis Peter Rubtzoff 1960-5-18 4384 Sonoma Bodega Harbor Marsh Comment
  RSA83145  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8599 Sonoma 3.7 miles south of Fort Ross on Hwy 1 Comment
  UC931984  Gilia capitata subsp. tomentosa Verne and Alva Grant 1948-7-7 8599 Sonoma on Highway 1 Ocean Bluff 3.7 mi s Fort Ross; s of Fort Ross Comment
  UC518025  Glebionis segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay Comment
  CAS-BOT-BC227639  Glyceria Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  CAS-BOT-BC282729  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma South of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282814  Glyceria leptostachya Peter Rubtzoff 1953-5-31 1422 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC166706  Gnaphalium Peter Rubtzoff; Nancy Harrison 1974-9-7 7883 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC173574  Gnaphalium Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC166678  Gnaphalium chilense Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  RSA790990  Gnaphalium chilense Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC302686  Gnaphalium palustre John Thomas Howell 1936-7-26 12668 Sonoma Between Occidental and Graton Comment
  CAS-BOT-BC166789  Gnaphalium purpureum Peter Rubtzoff 1955-9-9 2122 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC251252  Gratiola Peter Rubtzoff 1972-5-25 6756 Sonoma Laguna, Chileno Valley. Comment
  UCR242983  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  CAS-BOT-BC235485  Gratiola heterosepala Greg de Nevers 1994-6-12 10525 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 457 Comment
  RSA785226  Grindelia Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC305180  Grindelia hirsutula J. T. Howell 1930-6-8 5223 Sonoma 8 mi. west of Petaluma Comment
  JEPS41888  Grindelia hirsutula Eleanor Armstrong 1932-6-20 493 Sonoma 2 mi sw Santa Rosa; Bennett Valley 60 Comment
  JEPS86802  Grindelia hirsutula Jack and Betty Guggolz 1991-7-20 1210 Sonoma 2.25 mi nw Camp Meeker (along a road) 182 Comment
  UC32145  Grindelia hirsutula Willis L. Jepson 1893-9-23 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  CAS-BOT-BC305168  Grindelia hirsutula J. T. Howell 1932-11-16 10816 Sonoma 6 mi. from Sonoma on road to Napa Comment
  CAS-BOT-BC305193  Grindelia hirsutula Mary P. Wells 1982-7-5 s.n. Sonoma Salmon Beach Parking Lot Comment
  CAS-BOT-BC123708  Grindelia hirsutula var. hirsutula John Thomas Howell 1930-7-13 5338 Sonoma 8 miles W of Petaluma on Bodega Road Comment
  UCD132575  Grindelia stricta var. platyphylla Mary M. Hektner; Cathy Hendel 1974-7-23 161 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA0065160  Guillenia lasiophylla Greg de Nevers 1997-4-24 10959 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC282871  Hainardia cylindrica John Thomas Howell 1930-6-8 5219 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CDA2098  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek State Recreation Area, Austin Creek Trail Comment
  CAS-BOT-BC371462  Hedera helix Greg de Nevers 1989-8-28 9097 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  CAS-BOT-BC306328  Hedypnois cretica John Thomas Howell 1931-4-18 6423 Sonoma At mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC306321  Hedypnois cretica D. E. Breedlove 1980-6-27 44752 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD131718  Helenium puberulum Frederica Bowcutt 1994-7-5 1930 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 feet south of campfire center along Nedge of Sonoma Creek, N and E of campground. 381 Comment
  CAS-BOT-BC314742  Helianthella californica var. californica G. De Nevers 1981-5-31 1426 Sonoma Along road NW of Hansel's Lake, Pepperwood Ranch Comment
  RSA74081  Helianthemum scoparium var. vulgare Anonymous 1947-5-12 11765 Sonoma South slope of Sugar Loaf Peak of Hood Mt. 457 Comment
  CAS-BOT-BC305966  Helminthotheca echioides Alice Eastwood 1921-7-20 10619 Sonoma On road between Cotati and Santa Rosa Comment
  CAS-BOT-BC258386  Hemizonia Peter Rubtzoff 1972-6-29 6796 Sonoma Laguna, Chileno Valley. Comment
  RSA796387  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma 6.5 mi NE of Penngrove on Lichau Road. 427 Comment
  CAS-BOT-BC306164  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1935-9-11 35622 Sonoma 2 mi. N. of Healdsburg 39 Comment
  UCSC000757  Hemizonia congesta subsp. clevelandii M. Alice King October 1896 s.n. Sonoma near Healdsburg Comment
  CAS-BOT-BC306236  Hemizonia congesta subsp. congesta Greg de Nevers 1986-9-20 8114 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC306245  Hemizonia congesta subsp. congesta James I. McMurphy 1909-5-28 s.n. Sonoma 2 miles south of Fulton 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
  SEINET7096780  Hemizonia congesta subsp. congesta A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane. Ca. 1 mile east of Occidental. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  CAS-BOT-BC306240  Hemizonia congesta subsp. congesta J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  CDA6571  Hemizonia congesta subsp. congesta T. C. Fuller 1958-5-24 4003 Sonoma 1/2 mile east of Occidental, State Department of Forestry Station. 0 Comment
  JEPS119475  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges: eastern Petaluma Valley, Manor Lane, 0.5 mi north of intersection with Old Adobe Road. Comment
  UC1392842  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma near Petaluma; Adobe Road and Casa Grande Road Comment
  CAS-BOT-BC309694  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 -B Sonoma 4-1/2 mi. S of Santa Rosa Comment
  UC194216  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-24 10251 Sonoma 12 km on road to San Rafael; Petaluma Comment
  UCR233088  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2806 Sonoma North Coast Ranges, Sonoma Valley, Glen Ellen area, entrance road to Sonoma Valley Regional Park, 0.1 mi. west of Hwy 12 110 Comment
  UCR233089  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2807 Sonoma North Coast Ranges, Sonoma Valley, Felder Creek drainage, west side of Macabee Rd., 0.2 mi. north of Felder Rd., west of Arnold Dr. 34 Comment
  RSA0015420  Hemizonia congesta subsp. luzulifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UC295870  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12100 Sonoma n of Healdsburg Comment
  POM181139  Hemizonia lutescens J. T. Howell 1930-7-27 5409 Sonoma 8 miles south of Fort Ross Comment
  UC990611  Hemizonia luzulifolia subsp. luzulifolia James I. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  RSA81602  Hemizonia pungens subsp. pungens James I. McMurphy 1909-8-9 712 Sonoma Hills between Sonoma and Petaluma. Comment
  RSA227201  Heracleum maximum Peter Rubtzoff 1964-5-20 227201 Sonoma Brooks Gulch Marsh. Comment
  UCD126870  Heracleum maximum Frederica Bowcutt 1994-5-21 1826 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. Along meadow trail approx. 3/4 mile from trailhead. 396 Comment
  CAS-BOT-BC310214  Hesperevax sparsiflora var. sparsiflora Alice Eastwood 1921-5-8 10474 Sonoma Petaluma Comment
  UCD111465  Hesperocnide tenella P. G. Connors 1995-6-2 342 Sonoma Bodega Head and Dunes. Comment
  LA6482  Hesperocyparis goveniana Milo S. Baker; March 1933 7562 Sonoma near summit of Harrison's Grade near Occidental Comment
  OBI70563  Hesperocyparis macnabiana D. G. Kelch 2007-5-13 7 .284 Sonoma Cavedale Rd 518 Comment
  SD40697  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2 miles from Occidental, Coys Ranch 89 Comment
  UC1212428  Hesperolinon micranthum Herbert L. Mason 1946-7-4 12895 Sonoma 2 mi e Occidental (on Harrison Grade); Inner North Coast Ranges Comment
  UCD19305  Hesperomecon linearis Terry Reedy 1974-5-11 211 Sonoma Bodega Head, sand dunes. 13 Comment
  CAS-BOT-BC149828  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-12-27 461 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC251213  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  UCR279613  Heterotheca oregona Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, c. 0.5 mile SW of the Russian River bridge in Hacienda 27 Comment
  UC31133  Heterotheca oregona var. rudis F. T. Bioletti 1891-9-7 Sonoma Comment
  CAS-BOT-BC420940  Heuchera micrantha var. diversifolia A. A. Heller 1902-6-24 5756 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC420945  Heuchera micrantha var. diversifolia G. DeNevers 1981-6-6 1464 A Sonoma Pepper wood Ranch. Woodland on N slope of Telegraph Hill Comment
  SEINET3817294 Image available Heuchera pilosissima Lewis S. Rose 1939-5-14 39119 Sonoma 2 miles east of Bodega Bay. 30 Comment
  CAS-BOT-BC319706  Hieracium albiflorum Peter Rubtzoff 1952-6-3 1157 Sonoma South slopes of Fitch Mtn. near Healdsburg Comment
  CDA12904  Hierochloe occidentalis G. F. Hrusa, R. Gross, F. Luna 1996-3-29 12738 Sonoma North Coast Biodiversity Arena; Upper shaded slopes of Neeley Hill. S end of Neeley Rd. approx. 2 m. S of Guerneville and 3 m. N of Bohemian Grove on Russian River. Perennial, bunching. Uncommon here. Comment
  RSA143957  Hierochloe occidentalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  SEINET12155809  Hoita macrostachya J. P. Tracy 1951-1 19628 Sonoma Alexander Valley 5miE of Geyserville Comment
  CAS-BOT-BC227669  Holcus lanatus Peter Rubtzoff 1954-7-29 1605 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC280787  Holcus lanatus G. DeNevers 1981-6-20 1632 Sonoma Pepperwood Ranch. At the Dentist's Lake Comment
  UCD84844  Holcus lanatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3571 a Sonoma 9.1 miles northwest of Santa Rosa, open roadside, north facing slope. Comment
  POM274868  Holodiscus discolor Lyman D. Benson 1928-6-25 351 Sonoma Cloverdale-Hopland, Russian River. 457 Comment
  CAS-BOT-BC315808  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC315814  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  RSA0060105  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. On spillway of Dentist's Lake, and in creek below it. 91 Comment
  UCR280161  Holozonia filipes Peter Rubtzoff, Nancy Harrison 1976-6-18 8646 Sonoma North Coast Range, False Lake Meadow area, Annadel State Park 221 Comment
  CAS-BOT-BC289282  Hordeum brachyantherum subsp. brachyantherum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mi. W. of junciton of Arnold Drive Comment
  CAS-BOT-BC289291  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-4-30 1796 Sonoma Stony Point Marsh Comment
  CAS-BOT-BC285186  Hordeum marinum subsp. gussoneanum G. DeNevers 1981-5-30 1342 Sonoma Pepperwood Ranch. N of Hansel's corral Comment
  CHSC8222  Hordeum murinum subsp. glaucum K. Henegar 1969-5-10 46 Sonoma Schooner Gulch, 200 yds s on Highway 1. Found on ocean side of road. Comment
  POM205105  Hordeum murinum subsp. glaucum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  POM205106  Hordeum murinum subsp. leporinum A. A. Heller 1902-4-11 5278 Sonoma Bodega Bay. Comment
  SEINET11690143  Hordeum murinum subsp. leporinum J. T. Howell, Knight, W.; Knight, I. 1987-1 6232 Sonoma corner Todd & Llamo Rds, Todd Road Preserve 24 Comment
  SEINET4670535  Hordeum murinum subsp. leporinum V. Longozo 1999-4-19 s.n. Sonoma Bodega Bay Highway 0 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
  UC72982  Horkelia californica Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  UCD160917  Horkelia californica James A. Neilson Jr. 1975-7-8 3379 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  JEPS86813  Horkelia tenuiloba Jack and Betty Guggolz 1991-5-4 1126 Sonoma one mi w Dry Creek Road (firebreak on the south side of Bradford Mountain); Bradford Mountain 341 Comment
  CAS-BOT-BC146506  Horkelia tenuiloba Mr. Floyd Bailey; Mrs. Floyd Bailey 1925-4-26 96 a - local Sonoma Plantation Comment
  UC1299116  Horkelia tenuiloba Freed W. Hoffman 1950-5-27 3593 Sonoma Fred McMurry Ranch on Healdsburg-Guerneville Hwy North Coast Ranges Comment
  SBBG119671  Hosackia gracilis G. F. Pratt, C. Pierce 2003-5-15 Sonoma Salt Point State Park 30 Comment
  SD88314  Hosackia gracilis Darley F. Howe 1972-5-4 Sonoma 6.0 miles east of Highway 1 on road to Annapolis. Comment
  CDA34812  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mile mark, ~2.53 km, E143 deg. S of Forestville, along W side of highway. Comment
  SEINET7062821  Hypericum anagalloides A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  SD7537  Hypericum anagalloides Glen Ellen July 1891 432 a Sonoma Comment
  UC19034  Hypericum concinnum H. N. Bolander 1864-1 3948 Sonoma at the Geysers Comment
  CAS-BOT-BC316680  Hypochaeris glabra A. A. Heller 1902-6-7 5661 Sonoma Bennett Valley southeast of Santa Rosa Comment
  CAS-BOT-BC316685  Hypochaeris glabra Greg de Nevers 1981-4-23 798 Sonoma Pepperwood Ranch Comment
  UCD133333  Hypochaeris glabra Mary M. Hektner 1976-5-10 254 Sonoma above beach near the Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC316717  Hypochaeris radicata John H. Thomas 1976-6-16 18270 Sonoma Southern part of Sea Ranch, northwestern part of county about 7 miles south of Gualala 30 Comment
  SEINET10899984  Iris douglasiana R. D. Sage 1992-1-10 Sage 13411 -2 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw of occidental. Comment
  RSA261388  Iris fernaldii Johann D. Watjen 1969-4-27 22 Sonoma Adobe Canyon, 3 miles east of Highway 12, 11 miles north of Sonoma Comment
  SEINET12048683  Iris fernaldii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -106 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.6 mi N of Cavedale Rd from jct 457 Comment
  CAS-BOT-BC133678  Iris longipetala Peter Rubtzoff 1962-6-19 4925 Sonoma Occidental Marsh Comment
  RSA123134  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 miles north of Camp Meeker 91 Comment
  UCSB890  Iris macrosiphon Keator, Glenn 1959-4-2 Sonoma 1.2 miles east; on Cavedale road and 2.3 miles from Agua Caliente Comment
  RSA152560  Iris missouriensis H. N. Metcalf 1962-5-6 s.n. Sonoma West of Two Rock on Two Rock - Fallon Road Comment
  RSA135851  Iris purdyi E. K. Balls, Lee W. Lenz 1951-5-10 16539 Sonoma 1.8 miles northwest of junction of Highway 101 and Highway 28, road to Yorkville Comment
  CAS-BOT-BC210128  Isoetes Peter Rubtzoff; Nancy Harrison 1974-5-26 7477 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UCD84281  Isoetes howellii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC61917  Isoetes nuttallii John Thomas Howell 1935-5-5 12603 Sonoma near Kenwood Comment
  CAS-BOT-BC112413  Isolepis carinata Peter Rubtzoff 1952-5-10 1025 Sonoma Pitkin Marsh near Forestville: Eastern branch of the Upper March. Comment
  SEINET11750612  Isolepis carinata H. K. Wagnon 1989-1 1871 Sonoma Ocean Bluff, Salt Pt. State Park 0 Comment
  CAS-BOT-BC112564  Isolepis cernua John Thomas Howell 1937-6-6 13027 A Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112572  Isolepis cernua Peter Rubtzoff 1954-8-10 1678 Sonoma Bodega Head Marsh. Comment
  JEPS19982  Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Sea-bluffs just n Salmon Creek; n of Salmon Creek Comment
  RSA540069  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC340223  Jaumea carnosa Peter Rubtzoff 1973-8-25 7256 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC340231  Jaumea carnosa J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  RSA0011155  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles east of Guerneville, along Russian River at Forest Hills. Comment
  CAS-BOT-BC322123  Juncus arcticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh. Comment
  POM111209  Juncus bolanderi Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UC842252  Juncus bolanderi Marcus E. Jones, A. M. 1882-7-17 3523 Sonoma Duncan's Mills Comment
  SD99417  Juncus bolanderi Christopher Davidson 1977-6-20 6024 Sonoma Dry Creek Road, 11.9 miles west of Geyserville. Gravel bar in Warm Springs Creek. 136 Comment
  SEINET10533021  Juncus bufonius Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7082 Sonoma On n-facing grassy clay bank, .6 mile w of sonoma-napa co. Line on hwy. 121. 61 Comment
  UCR218215  Juncus bufonius var. congestus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16234 A 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
  RSA94455  Juncus dubius Peter Rubtzoff 1951-7-7 356 Sonoma Pitkin Marsh, near Forestville; Western branch of the upper marsh. Comment
  CAS-BOT-BC164382  Juncus effusus Peter Rubtzoff 1968-7-13 5920 Sonoma Sonoma: upper Salmon Creek Marsh Comment
  UCR51378  Juncus effusus L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Range, Pine Flat Road, spring near Contact Mine Comment
  RSA785890  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mill Marsh. Comment
  CAS-BOT-BC157985  Juncus effusus subsp. pacificus Peter Rubtzoff 1964-8-26 5479 Sonoma Marsh 5 miles NE of Penngrove on Lichan Road 213 Comment
  RSA790718  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5902 Sonoma Lichan Marsh. Comment
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Apr 16 2014
  RSA790719  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichan Marsh. Comment
Read comments
Apr 16 2014
  CAS-BOT-BC173511  Juncus hesperius Peter Rubtzoff 1969-8-14 6137 Sonoma Sonoma: Coleman Marsh Comment
  HSC42044  Juncus lescurii S. Saufferer 1973-5-24 217 Sonoma Bodega Bay Comment
  RSA0019005  Juncus lescurii Peter Rubtzoff 1954-8-9 1665 Sonoma Bodega Head Marsh. Comment
  UCD161773  Juncus nevadensis James A Neilson Jr. 1976-5-10 3688 a Sonoma Mayacmas Mountains. Aidlin-Govea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR51377  Juncus oxymeris L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Range, Pine Flat Road, spring near Contact Mine Comment
  UCR130525  Juncus patens Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  SD30906  Juncus patens Edith A. Purer 1932-7-24 4069 Sonoma From Bodega Bay to Santa Rosa, in canyon. Comment
  UCD35508  Juncus patens Beecher Crampton 1957-7-22 4389 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC173520  Juncus phaeocephalus Peter Rubtzoff; Nancy Harrison 1978-6-11 9204 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley Comment
  JEPS67064  Juncus phaeocephalus var. paniculatus W. L. Jepson 1921-6-2 9304 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  RSA94015  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  JEPS121418  Juncus xiphioides Peter F. Zika 2012-6-30 25944 Sonoma Pepperwood Preserve, near Dwight Center, 3 air miles SE of Bald Hills, Mayacmas Mountains Comment
  RSA126570  Juncus xiphioides H. S. Yates 1936-5-16 5596 Sonoma 2 miles SE of Forestville 30 Comment
  CAS-BOT-BC320542  Kickxia Peter Rubtzoff 1971-8-9 6633 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC273787  Koeleria pyramidata G. DeNevers 1981-5-23 1289 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC340484  Lactuca saligna John Thomas Howell 1957-10-12 33001 Sonoma About 1 mi. sw. of Sonoma Comment
  POM230561  Lamium amplexicaule J. T. Howell 1937-4-11 12910 Sonoma M.S. Baker s place near Kenwood. Comment
  CDA13781  Lamium purpureum G. F. Hrusa, R. Gross 1993-3-14 10528 Sonoma Knights Valley; NW base of Mt. St. Helena, approx. 10 mi. N of Calistoga on Hwy 128. 106 Comment
  SD56365  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma Near Sebastopol Comment
  SEINET9314468  Lamium purpureum Unknown 1993-3-14 10528 Sonoma Sonoma Co., CA Comment
  CAS-BOT-BC346334  Lasthenia californica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53978 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles ne of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC324933  Lasthenia californica subsp. bakeri Milo S. Baker 1938-5-14 s.n. Sonoma Larkspur Rock east of Bay Comment
  JEPS82092  Lasthenia californica subsp. bakeri Rimo Bacigalupi 1961-5-21 7702 Sonoma on hill due e Bodega Bay Hill Road (head of gulch); Johnson Gulch Comment
  LA102440  Lasthenia californica subsp. macrantha John C. Roos; 1950-7-22 4867 Sonoma Jenner 30 Comment
  CAS-BOT-BC355537  Lasthenia glaberrima Lois E. James; L. Beane 1949-5-16 1947 Sonoma About 3 mi. S. of Healdsburg. Comment
  CAS-BOT-BC352791  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  UC517469  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  SBBG7774  Lasthenia macrantha subsp. macrantha H. and M. Dearing 1939-5-14 3367 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD165004  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park. Comment
  UCD166069  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CDA14415  Lathyrus cicera D. Joley 1995-5-13 Sonoma Sugarloaf Ridge State Park. 0 Comment
  POM161246  Lathyrus littoralis Rimo Bacigalupi 1928-6-18 1897 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  UCD106341  Lathyrus polyphyllus P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  HSC100959  Lathyrus torreyi Peter Warner, Sarah Gordon 2011-5-16 198 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), Fern Trail along lower to mid-Mill Creek. 273 Comment
  RSA177993  Lathyrus vestitus subsp. bolanderi Robert F. Thorne 1965-4-19 34300 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  RSA12254  Lathyrus vestitus subsp. bolanderi Carl B. Wolf 1934-6-29 5799 Sonoma 6/10 of a mile inland from Stewarts Point. 61 Comment
  UC15379  Lathyrus vestitus var. vestitus State Survey 1862-4-18 966 Sonoma near Sonoma Comment
Read comments
Jan 20 2011
  SD88301  Lathyrus vestitus var. vestitus Darley F. Howe 1972-4-30 Sonoma Bodaga bay Comment
  CAS-BOT-BC323255  Layia chrysanthemoides H. N. Bolander 1864-4-18 3902 Sonoma Santa Rosa Valley. [noted on sheet: in meadow at Mark West, Sonoma County] Comment
  POM298267  Layia chrysanthemoides D. D. Keck 1931-4-1 992 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  RSA785922  Layia chrysanthemoides Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC123307  Layia chrysanthemoides subsp. maritima Jens Chr. Clausen 1935-5-24 1090 Sonoma 6.2 mi S of Jenner 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-BC274364  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road 91 Comment
  UCD166260  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sear Point. 11 Comment
  CAS-BOT-BC210105  Lemna Peter Rubtzoff 1965-11-9 5668 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC210110  Lemna Peter Rubtzoff 1970-5-30 6253 Sonoma 5 miles north of Sears Point. Comment
  UCD164539  Lemna Peter Rubtzoff; Betty Lovell 1975-8-11 8312 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC534357  Lemna aequinoctialis Peter Rubtzoff 1965-9-5 5646 Sonoma Russian River at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC210100  Lemna gibba Peter Rubtzoff 1966-6-27 5771 Sonoma Santa Rosa Creek area, ca. 1 mi. E of the Laguna de Santa Rosa. Comment
  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
  UCR255074  Lemna minor Peter Rubtzoff 1961-10-23 4783 Sonoma Laguna de Santa Rosa area northeast of Graton 20 Comment
  CAS-BOT-BC527283  Lemna minuta Peter Rubtzoff 1951-6-17 287 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC534920  Lemna turionifera Peter Rubtzoff 1951-9-2 705 Sonoma Pitkin Marsh, near Forestville Comment
  UCR256273  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  RSA0065911  Lemna valdiviana Peter Rubtzoff 1958-8-23 3899 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  UCR255881  Lepidium latifolium Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Hwy 37 1 Comment
  CAS-BOT-BC12757  Lepidium oxycarpum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC366884  Leptochloa fusca subsp. fascicularis Greg de Nevers 1997-9-22 11089 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  RSA262194  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-7-17 6284 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC226541  Leptosiphon acicularis F. P. Bailey 1925-4-26 85 Local Sonoma Geyserville Comment
  SBBG5965  Leptosiphon androsaceus H. and M. Dearing 1939-5-14 3354 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCSB5189  Leptosiphon androsaceus Keator, Glenn 1959-4-2 Sonoma 5.5 miles up Cavedale road near its end; 6.6 miles from Agua Caliente Comment
  UCR265105  Leptosiphon bicolor Ann Howald 2015-4-1 3337 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 18.3 miles west of intersection with Rockpile Rd, Wolf Creek drainage 131 Comment
  CAS-BOT-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-BC226736  Leptosiphon latisectus Herbert L. Mason 1928-4-8 4289 Sonoma Coast, 2 miles north of Fort Ross Comment
  UCSB5162  Leptosiphon parviflorus Robbins, G. 1937-6-6 Sonoma 2 to 3 miles east of Bodega Bay Comment
  JEPS86801  Lessingia arachnoidea Jack and Betty Guggolz 1991-7-20 1212 Sonoma about 2 1/4 mi nw of Camp Meeker 182 Comment
  CAS-BOT-BC324187  Lessingia hololeuca John Thomas Howell 1936-7-26 12670 Sonoma Between Occidental and Graton Comment
  UC33158  Lessingia hololeuca Edw. L. Greene 1888-1-1 Sonoma Comment
  CAS-BOT-BC342011  Lessingia ramulosa John Thomas Howell 1926-11-14 2250 Sonoma Hills south-east of Santa Rosa 83 Comment
  UC1299301  Lessingia ramulosa Freed W. Hoffman 1947-9-5 1385 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  CAS-BOT-BC342001  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  CDA36826  Leucojum aestivum Ramona Robison 2012-2-15 s.n. Sonoma Santa Rosa; Annadel State Park. 0 Comment
  CAS-BOT-BC283528  Leymus X vancouverensis Alice Eastwood 1915-6-29 4876 Sonoma Bodega Point Comment
  UCD64220  Leymus pacificus Mary M. Hektner 1975-6-2 197 Sonoma Sea Ranch, near State Highway 1, Unit 28 Owners' Map. Comment
  CAS-BOT-BC371401  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge 400 Comment
  UCD127541  Ligusticum apiifolium P. G. Connors 1991-7-5 196 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  CAS-BOT-BC130696  Lilium occidentale Peter Rubtzoff 1951-7-22 538 Sonoma Northern half of Lower Marsh Comment
  SEINET6205134  Limnanthes douglasii L. S. Rose 1965-1 65020 Sonoma Sonoma Comment
  UC635574  Limnanthes douglasii subsp. douglasii A. E. Borell 1928-4-13 139 Sonoma Petaluma Comment
  SEINET5586467  Limnanthes douglasii var. nivea Paul But 1975-1 990 Sonoma Western end of Sebastopol city limit. Comment
  CAS-BOT-BC123078  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Rd., 1.4 mi from Hwy 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC45952  Limnanthes vinculans Peter Rubtzoff; Nancy Harrison 1978-5-20 9179 Sonoma Cunningham Marsh area. On north side of Bulcher Creek valley. Comment
  CHSC66952  Limnanthes vinculans James D. Jokerst; Lorie May 1993-5-13 3978 Sonoma Sonoma Air Center. Comment
  CAS-BOT-BC258914  Limosella Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. 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
  CDA36957  Linanthus androsaceus CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SEINET7075496  Linanthus ciliatus 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
  UC106672  Linanthus ciliatus Michener and Bioletti 1892-5-20 1542 a Sonoma Hood's Peak Comment
  UC30163  Linanthus dichotomus W. H. Brewer 1862-4-18 969 Sonoma near Sonoma Comment
  UC1763995  Linanthus jepsonii Douglas W. Schemske 1993-4-30 1 D Sonoma Pepperwood Ranch Natural Preserve Comment
  CAS-BOT-BC225244  Linanthus latisectus Greg de Nevers 1995-5-5 10722 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, on the way to Wiemar Flat 487 Comment
  CAS-BOT-BC430585  Lithophragma affine G. DeNevers 1981-4-11 697 Sonoma Pepperwood Ranch Comment
  UCD102702  Lithophragma affine Caitlin Lewis; William Mutch 1993-4-17 17 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC435671  Lithophragma heterophyllum G. DeNevers 1981-3-25 560 Sonoma In a big road cut on Franz Valley Road below Walter Wards house. Comment
  CAS-BOT-BC342495  Logfia gallica F. Almeda; G. DeNevers 1981-4-28 4915 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  CAS-BOT-BC283282  Lolium multiflorum John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC283291  Lolium multiflorum Peter Rubtzoff 1951-6-17 276 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  UCD66467  Lolium perenne Beecher Crampton 1957-7-11 4306 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD66314  Lolium perenne David L. Morgan 1956-4-2 Sonoma 2 mi. W of Petaluma on the 'D' St. extension Rd. Comment
  UCR45090  Lomatium dasycarpum L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SEINET7040128  Lomatium dasycarpum A. G. Vestal 1962-3-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  CAS-BOT-BC217812  Lomatium repostum Alice Eastwood; John Thomas Howell 1940-5-5 7862 Sonoma Rincon Ridge near Santa Rosa Comment
  RSA177898  Lomatium repostum R. F. Thorne 1965-4-20 34355 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  SD241724  Lomatium utriculatum Dean Wm. Taylor 1994-5-4 14213 Sonoma Ca. 2 miles SW of Occidental; at junction of Bittner Road and Joy Road (Camp Meeker 7.5'Q) 249 Comment
  UCD137317  Lonicera hispidula Mary M. Hektner 1974-7-8 138 Sonoma along State Highway 1, just north of Whalebone Reach, Unit 24 Owners' Map, Sea Ranch. Comment
  CDA11137  Lonicera hispidula var. vacillans G. F. Hrusa, G. L. Stebbins, J. Major 1993-11-12 11548 Sonoma North Coast Biodiversity Arena; Fairfield-Osborne Reserve, 3 mi. E of Cotati. Comment
Read comments
Jul 28 2008
  UC28516  Lonicera hispidula var. vacillans Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UCD137392  Lonicera involucrata P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC198582  Lotus Peter Rubtzoff; Nancy Harrison 1974-9-7 7870 Sonoma Creek bed west of Commerce Blvd. crossing, Hinebaugh Creek in Rohnert Park Comment
  CAS-BOT-BC300483  Lotus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  UCR142041  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma North Coast, Fort Ross; bank of roadcut, State Highway 1 61 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
  HSC2127  Lotus formosissimus C. B. Wolf 1927-9-2 1353 Sonoma 1.0 mi. S of Gualala River Comment
  SEINET12165193  Lotus humistratus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -182 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  SEINET12165971  Lotus humistratus Unknown 1986-1 66054 Sonoma NW of Healdsburg, Lake Sonoma area, Rockpile Rd Rdge, Ca 1miN of bridge over lake 351 Comment
  UC1299177  Lotus humistratus Freed W. Hoffman 1947-7-30 1415 Sonoma near Guerneville (Great Eastern Qucksilver Mines); North Coast Ranges Comment
  UC58330  Lotus junceus A. A. Heller 1903-4-25 6597 Sonoma Fort Ross Comment
  UC353803  Lotus oblongifolius var. oblongifolius Milo S. Baker 1928-4-28 3008 a Sonoma Pitkin Swamp Comment
  UCR275251  Lotus purshianus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente 38 Comment
  SEINET6932589  Lotus wrangelianus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  CAS-BOT-BC257688  Ludwigia palustris Peter Rubtzoff 1960-6-9 4484 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC376292  Ludwigia palustris Greg de Nevers 1992-6-26 10206 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In oxbow of Franz Creek 91 Comment
  CAS-BOT-BC173514  Ludwigia peploides Peter Rubtzoff 1955-7-9 1937 Sonoma Forestville Marsh Comment
  CAS-BOT-BC157972  Ludwigia peploides Peter Rubtzoff 1958-7-26 3807 Sonoma Laguna de Santa Rosa, east of Sebastopol Comment
  RSA791567  Ludwigia peploides Peter Rubtzoff 1958-7-26 3807 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC423055  Ludwigia peploides subsp. peploides Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC201294  Lupinus Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 4 miles north of Bay, on state highway 1 Comment
  RSA0023079  Lupinus Peter Rubtzoff 1974-6-22 7624 Sonoma Todd Road, 1.5 miles from Highway 116 and 0.5 miles from (west of) Llano Road. Comment
  SEINET10488357  Lupinus affinis Joseph W. Congdon 1880-5-22 Congdon UMO 42423 Sonoma Santa rosa road Comment
  SEINET10544021  Lupinus albicaulis subsp. shastensis David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20707 Sonoma 2 miles nw of forestville on hwy 116, douglas fir forest with some oaks Comment
  JEPS57129  Lupinus albifrons L. R. Heckard 1967-5-7 1593 Sonoma w of summit Hood Peak; w of summit of Hood Peak 792 Comment
  UC127022  Lupinus albifrons F. T. Bioletti 1894-1 Sonoma near Hood's Peak; near Hood's Peak Comment
  UC1299160  Lupinus albifrons Freed W. Hoffman 1947-2-28 758 Sonoma road from Great Eastern Quicksilver Mines to Austin's Ranch at top of grade near Guerneville; North Coast Ranges, near Guerneville Comment
  CAS-BOT-BC195978  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 miles west Comment
  CAS-BOT-BC196463  Lupinus arboreus Mary P. Wells 1985-4-13 471 Sonoma Above Highway #1. North of the Russian Gulch bridge Comment
  UCD106637  Lupinus arboreus P. B. Kennedy Date Unknown 1 Sonoma Del Mar. Comment
  UCD13244  Lupinus arboreus Richard Sundquist 1977-5-1 9 Sonoma Bodega Head. 15 Comment
  UCR275269  Lupinus bicolor Peter Rubtzoff 1974-4-17 7377 Sonoma Upper Green Valley Marsh Comment
  POM186932  Lupinus densiflorus var. aureus Marcus E. Jones 1931-7-5 28954 Sonoma The Geysers. Comment
  SEINET10485230  Lupinus densiflorus var. crinitus A. Arthur Heller 1938-5-14 Heller 15091 Sonoma Grassy roadside banks near two rooks, w of petaluma, growing in dense colonies In clay soil. Fresh fls mostly deep violet. Humid transition life zone. Comment
  RSA167470  Lupinus densiflorus var. densiflorus Joseph P. Tracy 1933-5-1 12129 Sonoma Along Mayacama Creek, below Knights Valley. Comment
  RSA413559  Lupinus densiflorus var. densiflorus Lester Rowntree 1931-7-13 s.n. Sonoma Road between Bay and Bodya. Comment
  CAS-BOT-BC8359  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley Comment
  POM11292  Lupinus latifolius subsp. latifolius Philip A. Munz 1922-6-27 5846 Sonoma Santa Rosa, Santa Rosa Mountains. Comment
  UC73199  Lupinus latifolius var. latifolius Miss M. Alice King April, 1897 Sonoma near Healdsburg; near Healdsburg Comment
  CDA27500  Lupinus microcarpus var. densiflorus T. C. Fuller 1966-6-2 14858 Sonoma East side of Pacific Coast Highway 1, 0.2 mile south of junction with Petaluma-Valley Ford Road, 1 mile east of Valley Ford. 0 Comment
  RSA10735  Lupinus nanus subsp. latifolius A. A. Heller, H. E. Brown, A. H. Heller 1902-4-9 7188 Sonoma Three Miles South of Healdsburg. Comment
  RSA87076  Lupinus nanus var. apricus F. W. Peirson, Mabel B. Peirson 1926-4-1 6545 Sonoma 4 miles north of Ignacio. Comment
  HSC81612  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5127 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  CAS-BOT-BC311853  Lupinus polycarpus Peter Rubtzoff 1974-5-11 7394 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  UCR255029  Lupinus sericatus Greg de Nevers 1996-4-19 10794 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  SEINET10870696  Lupinus succulentus Joseph W. Congdon 1880-5-2 Congdon s.n. Sonoma Comment
  CAS-BOT-BC202173  Lupinus tidestromii Catherine Best 1980-5-1 s.n. Sonoma On the south side of the mouth of the Russian River Comment
  POM231113  Lupinus variicolor Jens Clausen 1935-5-24 1089 Sonoma 5.1 mi. S of Jenner on the Bodega road. 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
  UCD160116  Luzula James A. Neilson Jr. 1973-6-3 2973 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD164189  Luzula Peter Rubtzoff; Nancy Harrison 1978-6-11 9205 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  CAS-BOT-BC210067  Luzula Peter Rubtzoff 1963-5-26 5135 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC436743  Luzula comosa var. comosa Peter Rubtzoff 1951-6-7 131 Sonoma Pitkin Marsh. near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC293673  Lythrum Peter Rubtzoff 1971-6-30 6583 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD103007  Lythrum hyssopifolia Frederica Bowcutt 1984-6-23 424 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. Immed. N of Gerstle Cove. W of Hwy 1. 24 Comment
  SEINET12193549  Lythrum hyssopifolia W. Knight, Knight, I. 1983-1 4719 Sonoma Sonoma Mountain Rd #2 at former Jack London property at old Wake Robin Lodge site Comment
  CDA33652  Lythrum salicaria Robin Breckenridge & A. Smith 2010-7-21 PDR# 1313478 Sonoma Santa Rosa; 3115 Porter Creek Road. 0 Comment
  CDA19068  Lythrum salicaria L. Correia 2001-7-16 PDR P 117378 Sonoma North Coast Ranges; N bank Russian River at Rio Nido and to east ~ 0.5 mi 0 Comment
  CDA19171  Lythrum salicaria S. Opbroek 2000-7-14 PDR 038289 Sonoma North Coast Ranges; 6225 Stony Pt. Rd., Cotati. 0 Comment
  UCD166068  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD148375  Madia Peter Rubtzoff 1955-9-25 2161 Sonoma Forestville Marsh area. Comment
  CAS-BOT-BC368100  Madia anomala Greg de Nevers 1998-5-12 11247 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC342616  Madia anomala John Thomas Howell 1959-5-7 34594 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC344027  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC344044  Madia elegans James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  UC400141  Madia exigua Ynes Mexia 1929-6-2 2391 Sonoma near Mark West Springs Comment
  UCR265433  Madia exigua Ann Howald, Christina Freeman 2015-6-1 3414 Sonoma Inner North Coast Ranges, Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails 371 Comment
  CAS-BOT-BC343459  Madia gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  UCD148469  Madia gracilis Peter Rubtzoff 1964-6-24 5366 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC343466  Madia gracilis G. DeNevers 1981-5-30 1422 Sonoma Pepperwood Ranch. In Garrison yard ruderal Comment
  POM41471  Madia madioides Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC345226  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa Comment
  OBI33913  Madia sativa David J. Keil 1983-6-29 17197 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  RSA786498  Madia sativa Peter Rubtzoff 1971-6-30 6582 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 mi west of Arnold Drive. Comment
  RSA786499  Madia sativa Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD134339  Madia sativa Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  UCD148452  Madia sativa Peter Rubtzoff 1962-10-23 5124 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC368076  Maianthemum stellatum Greg de Nevers 1998-4-27 11202 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UCD139126  Maianthemum stellatum M. Wiesendanger 1927-5-5 725 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC511491  Maianthemum stellatum Greg de Nevers 1981-4-1 598 Sonoma Riparian community at confluence of mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  CAS-BOT-BC511498  Maianthemum stellatum John Thomas Howell 1924-3-23 298 Sonoma Camp Meeker Comment
  CAS-BOT-BC540135  Malus domestica Peter Rubtzoff 1952-5-31 1102 Sonoma Area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  HSC15988  Malva nicaeensis S. N. Wiemeyer 1962-4-20 24 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  JEPS42485  Marah oregana W. L. Jepson 1893-5-1 14130 Sonoma e Mark West Springs; Franz Valley Comment
  CAS-BOT-BC348313  Matricaria occidentalis Peter Rubtzoff 1972-5-25 6772 Sonoma Laguna, Chileno Valley 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-BC268116  Medicago Peter Rubtzoff 1956-9-14 2890 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC268106  Medicago Peter Rubtzoff 1969-6-22 6102 Sonoma Forest Hills, 5.5 miles east of Guerneville at 9981 Old River Road. Comment
  UCD166176  Medicago lupulina Peter Rubtzoff 1969-6-22 6102 Sonoma Forest Hills, 5.5 miles east of Guerneville at 9981 Old River Road. Comment
  UCD107788  Medicago polymorpha Jennifer Bury; Peggy Herzog 1993-5-8 294 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 3/4 mile. On Bald Mountain Trail. 396 Comment
  SEINET10599366  Melica californica A. Arthur Heller 1902-4-9 Heller 5246 Sonoma In a railroad cut 3 miles south of Healdsburg. Comment
  CAS-BOT-BC281275  Melica geyeri G. DeNevers 1981-5-5 950 Sonoma Pepperwood Ranch. On the trail to the Studio 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
  UCD87314  Melica geyeri Virginia Bufford 1937-5-10 454 Sonoma Larkspur Rock, Bodega Canyon. Comment
  UCD87322  Melica geyeri Beecher Crampton 1953-5-19 1299 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128 at Napa County line. Comment
  UCD87349  Melica geyeri R. Tofsrud 1941-4-1 281 Sonoma Parker Hill, Santa Rosa. Comment
  CAS-BOT-BC281282  Melica geyeri K. Wagnon 1939-4-10 167 Sonoma About 1 mile N of Sturgeon's Mill Comment
  SACT001511  Melica geyeri M. Wiesendanger 1927-5-5 Sonoma Comment
  JEPS45822  Melica harfordii Eleanor Armstrong 1932-6-3 181 Sonoma near Camp Meeker 121 Comment
  CAS-BOT-BC262556  Melica torreyana Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 miles north of Occidental Comment
  JEPS45821  Melica torreyana Eleanor Armstrong 1932-5-19 164 Sonoma Camp Meeker 106 Comment
  CAS-BOT-BC268075  Melilotus indicus Peter Rubtzoff 1968-8-31 5941 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164351  Melissa Peter Rubtzoff 1973-9-9 7317 Sonoma Kenwood Marsh. Comment
  UCR19128  Melissa officinalis John C. Roos 1948-4-28 3958 Sonoma North Coast Ranges, Healdsburg, Mill Creek - Barrell Spring Comment
  CAS-BOT-BC164086  Mentha Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC376288  Mentha Greg de Nevers 1992-6-26 10197 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  RSA784597  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region: Russian River. Fitch Mts. Grove, 2 mi E of Healdsburg. Comment
  RSA788368  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guereville Road). Comment
  RSA247445  Mentha X piperita Peter Rubtzoff 1951-9-3 743 Sonoma Margin of creek at Hwy 12 SE of Forestville Comment
  UCD148385  Mentha canadensis Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  SBBG85792  Mentha pulegium L. F. LaPre 1986-7-29 Sonoma Pine Flat Rd, Pine Flat, near the Lake County line, 12 mi E of Healdsburg Comment
  UCD148376  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  RSA784400  Mentha spicata Peter Rubtzoff 1954-9-6 1740 Sonoma Guerneville Marsh. Comment
  UCR255872  Mentha spicata Greg de Nevers 1992-6-26 10184 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 91 Comment
  RSA785145  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  RSA785146  Mentha spicata Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC182772  Mentzelia laevicaulis Peter Rubtzoff 1958-9-7 s.n. Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CDA31024  Mentzelia laevicaulis D. G. Kelch, Troy McGregor 2010-8-22 10 .361 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. Comment
  JEPS42867  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1921-9-8 9429 Sonoma Russian River, Healdsburg Comment
  CAS-BOT-BC429002  Micranthes fragosa Milo S. Baker 1928-3-1 2737 b Sonoma Golf Club Links Comment
  UCD136318  Micropus amphibolus M. Rei Scampavia Evangelista 2012-5-20 8 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  CAS-BOT-BC348624  Micropus californicus var. californicus Alice Eastwood 1921-4-24 10381 Sonoma Santa Rosa Comment
  CAS-BOT-BC348633  Micropus californicus var. californicus Ira L. Wiggins 1949-4-30 12069 Sonoma 4 miles west of Calistoga, just west of county line Comment
  UC971981  Microseris bigelovii Francia Chisaki, Peter Kamb 1952-6-21 2304 Sonoma Fort Ross Comment
  JEPS85522  Microseris laciniata Charles F. Quibell 1990-5-20 2019 Sonoma Hunter Lane, northeast of Rohnert Park, 0.2 mi west of junction with Petaluma Hill Road. Comment
  CAS-BOT-BC322709  Microseris laciniata John Thomas Howell 1947-6-5 23242 Sonoma Near Wright School 4 miles west of Santa Rosa Comment
  UCD165221  Microseris laciniata subsp. laciniata Peter Rubtzoff; Nancy Harrison, Dug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC312699  Mimulus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC311861  Mimulus Peter Rubtzoff 1972-5-25 6753 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC311868  Mimulus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head Marsh. Comment
  UC446449  Mimulus arvensis Milo S. Baker 1898-5-7 637 Sonoma Glen Ellen Comment
  UCD122641  Mimulus arvensis Botany 102 Students 1993-5-8 276 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon. Comment
  UCD162165  Mimulus aurantiacus D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1518 Sonoma Hooker Creek watershed. 520 Comment
  RSA550831  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-5 1113 Sonoma N of Boyes Hot Springs. 0.6 mi E of Hwy 12 along Cavedale Road 160 Comment
  OBI9498  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1944-5-11 5454 Sonoma Along road to Oakville from Kenwood Comment
  UCSB22998  Mimulus aurantiacus var. aurantiacus McCarthy, Sharon 1965-4-16 Sonoma North of junction between 5th Street and Verano Ave., Sonoma Comment
  UCD122502  Mimulus cardinalis Frederica Bowcutt 1994-7-5 1935 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
  RSA535770  Mimulus congdonii David M. Thompson 1989-4-4 994 Sonoma Ca. 3 air mi E of Glen Ellen. 3.9 mi NE of Hwy 12 along Cavedale Road; W side of Road, 5 ft S of entrance to 3845-3850-3860 private driveway. 183 Comment
  RSA54059  Mimulus guttatus J. T. Howell 1948-4-18 24213 Sonoma Hills east of Agua Caliente. Comment
  UC70353  Mimulus guttatus Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UCD122711  Mimulus guttatus Terri Williamson 1990-5-20 58 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  UCR248873  Mimulus guttatus Peter Rubtzoff 1955-7-9 1928 Sonoma North Coast Range, Forestville Marsh 71 Comment
  UCR252545  Mimulus guttatus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh, near Forestville 38 Comment
  UCR252546  Mimulus guttatus Peter Rubtzoff 1972-5-25 6764 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
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Nov 23 2015
  UCR275268  Mimulus guttatus Peter Rubtzoff 1955-7-9 1929 Sonoma North Coast Range, Forestville Marsh 71 Comment
  POM5061  Mimulus guttatus A. A. Heller, H. E. Brown 1902-4-23 5349 Sonoma Near Sonoma. Comment
  RSA94312  Mimulus guttatus Peter Rubtzoff 1951-7-14 420 Sonoma Southern half of Lower Marsh. Comment
  RSA94313  Mimulus guttatus Peter Rubtzoff 1951-6-16 262 Sonoma Western branch of the Upper Marsh. Comment
  UCD160963  Mimulus layneae James A. Neilson Jr. 1975-7-8 3376 Sonoma Mayacmas Ridge. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCD122689  Mimulus microphyllus Janet McIntosh 1966-4-27 21 Sonoma 8 miles east of Petaluma, State Highway 116. 76 Comment
  UCD122794  Mimulus moschatus Frederica Bowcutt 1997-7-18 2173 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 662 Comment
  UC26993  Mimulus nasutus F. T. Bioletti 1892-1 Sonoma Comment
  JEPS117071  Minuartia californica Peter Warner 2010-3-30 127 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  HSC4089  Minuartia douglasii H. E. Parks, S. T. Parks 1930-5-10 851 Sonoma Knights Valley 152 Comment
  UC8120  Minuartia douglasii Alice King May, 1897 Sonoma Healdsburg Comment
  JEPS128261  Moehringia macrophylla Roger Raiche 2000-4-15 034 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC435110  Mollugo verticillata Peter Rubtzoff 1958-9-21 4002 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  CAS-BOT-BC435115  Mollugo verticillata James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  UC761791  Monardella purpurea R. F. Hoover 1942-7-13 5915 Sonoma 3 mi s Monte Rio Comment
  CAS-BOT-BC220386  Monardella purpurea Milo S. Baker 1947-5-30 11781 Sonoma Harrison Grade, ca 2 mi. N.E. of Occidental Comment
  LA37424  Monardella villosa Carl Epling; Ledyard Stebbins, Harlan Lewis 1943-6-17 sn Sonoma Bodega Bay Comment
  UC634860  Monardella villosa subsp. franciscana H. L. Mason 1928-7-10 4883 Sonoma Near Ocean, Jenner Comment
  UC722653  Monardella villosa subsp. franciscana C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  SEINET12324063  Monardella villosa subsp. neglecta W. Knight, Knight, I. 1982-1 4615 Sonoma 2.1mi from Camp Meeker toward Monte Rio on Bohemian Highway Comment
  CAS-BOT-BC318599  Monardella villosa subsp. subserrata Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford. Comment
  CAS-BOT-BC314162  Monardella villosa subsp. subserrata John Thomas Howell 1929-6-30 4316 Sonoma 6 miles from Petrified Forest on road to Knights Valley. Comment
  CAS-BOT-BC314183  Monardella villosa subsp. villosa A. L. Graff 1926-6-1 s.n. Sonoma Near Cazadero. Comment
  CAS-BOT-BC220700  Monardella viridis Milo S. Baker 1928-7-1 3346 a Sonoma Not certain but think Hope Val. Along Hiway near turn to Boulsen's Comment
  JEPS128251  Monardella viridis subsp. viridis Roger Raiche 2000-7-15 139 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC444987  Montia fontana John Thomas Howell 1933-4-1 10926 Sonoma Petaluma Comment
  UCD144663  Montia parvifolia Frederica Bowcutt 1994-6-12 1874 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 Trai along edge of Sonoma Creek just E of confluence with Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  SBBG128418  Morella californica L. Ahart, M. Anthony, J. Dittes, J. Guardino 2013-4-25 18601 Sonoma near the edge of a residential driveway, 0.7 mi E of Pacific Ocean, 0.8 mi W of Gualala River 111 Comment
  SJSU476  Morus alba A. W. Jacobs 1940-5-29 Sonoma Luther Burbank Gardens, Santa Rosa Comment
  JEPS128370  Muhlenbergia andina Roger Raiche 1999-8-28 028 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC515644  Muilla maritima Rimo Bacigalupi 1926-3-27 1252 Sonoma Meadow opposite Myrtledale Geyser 1 1/2 mi north of Calistoga Comment
  JEPS21579  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Ranch, Pitkin Marsh Comment
  CAS-BOT-BC258904  Myriophyllum Peter Rubtzoff 1972-6-29 6815 Sonoma Laguna, Chileno Valley. Comment
  UCD166304  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh. 29 Comment
  CAS-BOT-BC456192  Najas guadalupensis Peter Rubtzoff 1973-8-27 s.n. Sonoma Upper Green Valley Marsh area. Comment
  UC729998  Nassella cernua Leo F. Koch 1940-4-24 844 Sonoma roadside n junction 2 1/2 miles from Kenwood and Glen Ellen; Bennett Valley Comment
  CAS-BOT-BC60518  Nasturtium officinale Peter Rubtzoff 1955-8-13 2046 Sonoma Duncans Mills Marsh. In upper portion of marsh. Comment
  UCD116102  Nasturtium officinale Terri Williamson 1990-5-20 65 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CAS-BOT-BC60524  Nasturtium officinale Dorothy Scherer 1997-5-7 103 Sonoma Southeast of largest Sag Pond, Fort Rose State Historic Park. 106 Comment
  CAS-BOT-BC230267  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma San Miguel Island. Head east fork of Canyon Del Mar 0.3 miles west of the old ranch house. 152 Comment
  CAS-BOT-BC479713  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, lower E slope, c. 0.2 mi SE of intersection of Lewis Creek and Felder Creek 151 Comment
  JEPS86767  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1990-5-20 1055 Sonoma Anadel State Park 402 Comment
  UC30204  Navarretia leucocephala subsp. bakeri H. N. Bolander 1866-1 3893 Sonoma Mark West Creek Comment
  JEPS83483  Navarretia leucocephala subsp. plieantha Jack and Betty Guggolz 1986-5-23 872 Sonoma sw of Windsor Comment
  LA206694  Navarretia mellita John Thomas Howell; 1937-7-4 sn Sonoma near Petrified Forest Comment
  UC73615  Navarretia pubescens Milo S. Baker 1898-5-7 Sonoma Glen Ellen Comment
  RSA468372  Navarretia squarrosa E. A. Purer 1932-7-21 16861 Sonoma Bodega Bay. Comment
  UCD48686  Navarretia squarrosa Charles B. Heiser Jr. 1946-8-17 1826 Sonoma Banks of Russian River, near Duncan Mills. 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
  UC856900  Navarretia viscidula John Thomas Howell 1937-7-4 13082 Sonoma 5 mi n Sebastopol Comment
  POM65317  Nemophila heterophylla Milo S. Baker 1898-1 692 Sonoma Santa Rosa. Comment
  UCSC000578  Nemophila menziesii subsp. atomaria Charisse Bickford 1979-4-13 s.n. Sonoma in wet, rocky soil at roadside near an orchard 4.7 miles east of the junction of Trinity Road with highway 12 Trinity Road, highway 12 671 Comment
  UCD120241  Nemophila menziesii var. atomaria Frederic Hrusa 1988-2-21 5501 Sonoma South of Mt. St. Helena. Near Kenwood. Comment
  UCD120242  Nemophila menziesii var. atomaria G. F. Hrusa; R. Gross 1998-3-14 14152 Sonoma Foote Ranch, NW base of Mt. St. Helena, corner of Ida Clayton Rd. and Hwy 128. Near 2nd pond on Foote Creek. North Coast Biodiversity Arena. 110 Comment
  UCSB13213  Nemophila menziesii var. atomaria Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Bodega State Park Comment
  POM65318  Nemophila menziesii var. menziesii Milo S. Baker 1898-4-8 s.n. Sonoma Healdsburg. Comment
  UCD120253  Nemophila menziesii var. menziesii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 70 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 381 Comment
  SD254635  Nemophila pedunculata Ann Howald 2015-4-1 3313 Sonoma Northern Coast Ranges: Stewarts Point-Skaggs Springs Road, 11.5 miles west of intersection with Rockpile Road. Warm Springs drainage (Warm Springs Dam 7.5'Q) 408 Comment
  RSA0057976  Nicotiana Greg de Nevers 1997-10-17 11106 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral. 100 Comment
  UCR279605  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, c. 1 mile SE of Trenton 30 Comment
  JEPS13900  Nicotiana acuminata var. multiflora W. L. Jepson 1914-9-19 6191 Sonoma Agua Caliente; Sonoma Valley 25 Comment
  UC111228  Nicotiana acuminata var. multiflora W. A. Setchell 1906-9-3 Sonoma near Monte Rio Comment
  SD133974  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152 Comment
  UC70571  Nicotiana quadrivalvis W. A. Setchell 1905-8-13 Sonoma banks of Russian River (Bohemia); Bohemia Comment
  SD109448  Notholithocarpus densiflorus Jack Reveal 7/1981 2746 Sonoma near Annapolis 305 Comment
  CAS-BOT-BC140453  Oemleria cerasiformis Marcus E. Jones 1882-7-18 3578 Sonoma Duncan's Mills Comment
  JEPS76925  Oemleria cerasiformis Robert M. Lloyd 1963-2-24 2054 Sonoma 4 mi s State Highway 12 (on State Highway 1) 15 Comment
  CDA38495  Oenanthe sarmentosa T. C. Fuller 1958-1-29 104 -58 Sonoma Triangle G Ranch, Sonoma Mtn., Petaluma. 0 Comment
  CAS-BOT-BC499696  Orobanche californica subsp. californica Steve Edwards 1984-7-22 s.n. Sonoma N end of prairie, N of Duvoul Cr., N of Camp Meeker, E of Highway Comment
  RSA0069019  Orobanche californica subsp. jepsonii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  SDSU10841  Orthocarpus erianthus var. roseus D. F. Howe 1969-5-29 4583 Sonoma Sea Ranch. Comment
  RSA276583  Orthocarpus faucibarbatus Edward Lee, Joseph A. Ewan, Annetta Carter 1934-4-30 750 Sonoma 1 mile west of 2 Rock junction. Comment
  RSA34074  Orthocarpus faucibarbatus A. A. Heller 1940-4-22 15555 Sonoma At Windsor. Comment
  SEINET3159751  Orthocarpus faucibarbatus L. S. Rose 1933-5-9 33158 Sonoma Bodega Bay Comment
  UCD127444  Osmorhiza berteroi Botany 102 Students 1993-4-17 29 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. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. S of Red Mountain about 1 air mile. In campground. 365 Comment
  UCR222527  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16250 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  SEINET12121674  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -169 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  CAS-BOT-BC254465  Panicum Peter Rubtzoff 1986-9-28 9749 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  SEINET10849964  Panicum P. Rubtzoff 1968-9-21 Rubtzoff 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CHSC83174  Panicum acuminatum var. acuminatum Beecher Crampton 1964-8-18 7139 f Sonoma The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Banks along road to steam well. 493 Comment
  UCD33494  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 b Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  JEPS30838  Parapholis incurva Rimo Bacigalupi and L. R. Heckard 1962-6-19 8594 Sonoma just above beach line on Bodega Harbor side Bodega Head (opposite spit of Doran Beach); Bodega Harbor side of Bodega Head, opposite Doran Beach Comment
  UCD18203  Parentucellia latifolia Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, near entrance to research housing facility. Comment
  CDA31308  Parentucellia viscosa D. G. Kelch, Ed Biffin 2010-5-3 10 .209 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SJSU5985  Parentucellia viscosa C. W. Sharsmith 1972-6-24 7806 Sonoma edge of Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol 48 Comment
  UC984865  Parentucellia viscosa L. Beane and Lois E. James 1949-5-16 1963 Sonoma about 2 mi s Cloverdale Comment
  RSA32186  Parentucellia viscosa Roxana S. Ferris, I. L. Wiggins 1943-4-30 10166 Sonoma 4 miles north of Asti, between Asti and Cloverdale. Comment
  RSA47561  Parentucellia viscosa L. Beane, Lois E. James 1949-5-16 1963 Sonoma About 2 mi. S of Cloverdale. Comment
  CAS-BOT-BC265689  Paspalum distichum Peter Rubtzoff 1954-7-29 1600 Sonoma Guerneville Marsh Comment
  SEINET11687492  Paspalum distichum W. Knight, Knight, I. 1985-1 5416 Sonoma near Sonoma on Norrbom Road Comment
  CAS-BOT-BC202874  Paxistima myrsinites Richard Mc. P Brown 1979-7-4 s.n. Sonoma Camp Meeker, St. Dorothy's Rest (Episcopalian retreat) Comment
  UCD165222  Pelargonium Peter Rubtzoff 1974-6-9 7585 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC257363  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  SEINET12183627  Pelargonium grossularioides H. K. Wagnon 1989-1 1894 Sonoma around Jack London's Original ?, Jack London State Park Comment
  UC1063609  Pellaea andromedifolia E. Armstrong 1934-3-26 900 Sonoma 2 mi nw Camp Meeker; Sebastopol Quadrangle Comment
  UCD137617  Pellaea andromedifolia Jennifer Bury; Peggy Herzog 1993-5-8 295 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. 365 Comment
  UCD160868  Penstemon heterophyllus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3292 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  RSA727241  Penstemon heterophyllus subsp. purdyi James L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of CA hwy 12, about 13 airline miles southeast of Santa Rosa. 640 Comment
  NY811992  Penstemon heterophyllus var. heterophyllus J. L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640 Comment
  UC354468  Penstemon heterophyllus var. heterophyllus Milo S. Baker 1904-6-1 Sonoma Sonoma Creek Canyon above Maple Glen; Sonoma Creek Canyon above Maple Glen Comment
  UC1238920  Penstemon heterophyllus var. purdyi Freed W. Hoffman 1947-4-20 654 Sonoma near Guerneville (headwaters of Fife Creek, Del Preti Hill); North Coast Ranges, headwaters Fife Creek Comment
  LA209546  Penstemon newberryi var. newberryi F. W. Embree; 1934-6-6 75 Sonoma 1 mi S, 0.25 mi W of Rutherford 1615 Comment
  UC35607  Pentachaeta alsinoides F. T. Bioletti 1893-5 Sonoma Comment
  CAS-BOT-BC71734  Pentagramma triangularis subsp. triangularis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54017 A Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove 457 Comment
  JEPS128377  Pentagramma triangularis subsp. triangularis Roger Raiche 2000-4-23 044 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS120461  Perideridia gairdneri subsp. gairdneri Daniel Slakey 2013-8-11 63 Sonoma Salt Point State Park, along the Salt Point trail, about 0.4 mile north of Salt Point, along the coast. Comment
  UCD127852  Perideridia kelloggii K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  CAS-BOT-BC413665  Persicaria amphibia Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC413646  Persicaria amphibia Peter Rubtzoff 1958-9-6 3970 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road) Comment
  CAS-BOT-BC413660  Persicaria amphibia Peter Rubtzoff 1966-8-16 5781 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  UCD99058  Persicaria hydropiper Frederica Bowcutt 1997-7-18 2174 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC413744  Persicaria hydropiper Peter Rubtzoff 1968-8-18 5930 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419123  Persicaria lapathifolia Walter Knight; Irja Knight 1963-9-29 219 Sonoma On Bodega Ave near Cleveland Lane-Petaluma Comment
  CAS-BOT-BC419266  Persicaria maculosa Peter Rubtzoff 1951-7-14 4 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC419277  Persicaria maculosa Peter Rubtzoff 1962-10-23 5128 Sonoma Atascadero Creek Marsh Comment
  UCD60448  Persicaria pensylvanica Brenda Grewell; Gene Cooley 2007-8-23 s.n. Sonoma Sebastopol, access from Cooper Road, west of the confluence of the Laguna de Santa Rosa with Gravenstein Creek on the DFG Laguna Wildlife Area's Lago Marsino parcel. Comment
  CAS-BOT-BC540804  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC419419  Persicaria punctata Peter Rubtzoff 1952-10-26 1330 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC419427  Persicaria punctata Peter Rubtzoff 1958-7-20 3788 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.) Comment
  UC35660  Petasites frigidus var. palmatus J. Burtt Davy March 1896 1639 Sonoma near Duncan's Mills Comment
  UC1481984  Petrorhagia nanteuilii R. K. Rabeler 1980-8-8 507 Sonoma 0.4 km (0.25 mi) nw around corner from Bearpen Creek Bridge (along trail to Big Austin Creek, along n side of King Ridge Rd., 7 km n of jct w/Cazadero Hwy, Cazadero 17.8 km n CA 116); along trail to Big Austin Creek Comment
  HSC63599  Petrorhagia nanteuilii Richard K. Rabeler 1980-8-8 507 Sonoma Along trail to Big Austin Creek along N side of King Ridge Rd., .4 km. NW of Big Austin Creek Bridge, 7 km. N of jct. with Cazadero Hwy. Comment
  POM225755  Phacelia californica P. A. Munz 1936-8-7 14310 Sonoma Six miles north of Bodega. Comment
  RSA133558  Phacelia californica L. R. Heckard, Paul C. Silva 1952-4-14 219 Sonoma Along State Highway 1, just south of Goat Rock. Comment
  JEPS128245  Phacelia corymbosa Roger Raiche 2000-3-30 056 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128247  Phacelia corymbosa Roger Raiche 2000-5-28 116 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC901814  Phacelia corymbosa Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 675 Sonoma area n of Gray Creek e junction with East Austin Creek Comment
  UC1041061  Phacelia distans J. W. Congdon April 1880 Sonoma Petaluma 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
  UCD160115  Phacelia imbricata James A. Neilson Jr. 1973-6-3 3117 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  SEINET12327821  Phacelia imbricata F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -082 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD120591  Phacelia imbricata John Thomas Howell 1929-6-9 4307 Sonoma On road to Petrified Forest, 7.5 miles from Santa Rosa. Comment
  CAS-BOT-BC331487  Phalaris Peter Rubtzoff 1970-7-12 6283 Sonoma Guerneville Marsh. Comment
  RSA0023082  Phalaris Peter Rubtzoff, Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7839 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC258955  Phalaris aquatica Mary P. Wells 1984-5-31 323 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC258949  Phalaris aquatica Walter Knight; Irja Knight 1963-9-11 281 Sonoma Live Oak Road, Liberty Dist. Petaluma Comment
  CAS-BOT-BC258950  Phalaris aquatica J. Penalosa 1961-5-24 1602 Sonoma Pepper Rd. 0.9 mi. N of Petaluma - Valley Ford Rd. Comment
  SEINET11690289  Phalaris aquatica J. T. Howell, Knight, W.; Knight, I. 1986-1 6125 Sonoma Llano Road between Growenstein Hwy and Todd Road Comment
  SJSU5975  Phalaris arundinacea C. W. Sharsmith 1972-6-24 7809 Sonoma by marshland of Laguna de Santa Rosa, N of Sebastopol, E of Graton, southern Sonoma County Comment
  CAS-BOT-BC259023  Phalaris californica Lewis S. Rose 1962-6-1 62067 Sonoma 1 mi. nw of Freestone 76 Comment
  CDA32602  Phalaris californica P. B. Kennedy 1919-5-16 Sonoma Del Mar. 0 Comment
  CAS-BOT-BC265915  Phalaris lemmonii G. DeNevers; S. Kaza 1981-5-7 972 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  RSA783844  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh. Comment
  UCD88869  Phalaris lemmonii Collector Unknown 1941-5-1 340 Sonoma Near Wright School. Comment
  RSA789053  Phalaris paradoxa Carrie A. Herd 1982-5-15 116 Sonoma Rohnert Park, C.S.U, Sonoma, between dorm parking lot and bicycle path Comment
  UC1132445  Phleum alpinum H. S. Yates 1936-5-17 5626 Sonoma 1 1/2 mi e Bodega Port; Duncan Mills Quad. Comment
  UC23592  Phlox gracilis Alice King Apr 1897 Sonoma Healdsburg Comment
  JEPS83506  Phlox speciosa subsp. occidentalis Jack and Betty Guggolz 1985-5-29 833 Sonoma w of Geyserville (w of West Dry Creek Rd., near the n edge of Chamise Rd) Comment
  CAS-BOT-BC135036  Phoradendron bolleanum John Thomas Howell 1933-4-2 10961 Sonoma 2 miles E of Occidental Comment
  CAS-BOT-BC141057  Phoradendron serotinum subsp. macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa NE of Graton (W. Guerneville Rd. crossing) Comment
  UC327  Phyllospadix scouleri Milo S. Baker 1899-6-28 Sonoma near mouth of Russian River Comment
  CAS-BOT-BC140493  Physocarpus J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC140617  Physocarpus capitatus G. DeNevers 1981-4-25 867 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  CAS-BOT-BC140629  Physocarpus capitatus D. E. Breedlove 1980-6-27 44773 Sonoma Pepperwood Ranch W of Knights Valley Comment
  HSC15049  Pickeringia montana R. Spellenberg 1964-6-15 405 Sonoma 5 mi. W of The Geysers on road from Geyserville Comment
  CAS-BOT-BC202286  Pickeringia montana var. montana Severin A. Baumann 1953-7-4 14 Sonoma Along edge of road connecting Oakville and Boyes Springs, ca. 5 mi. from Boyes Springs 304 Comment
  JEPS46086  Pickeringia montana var. montana Eleanor Armstrong May 1932 502 Sonoma on Occidental Mill rd 2 mi w Sturgeons Mill 60 Comment
  CAS-BOT-BC173848  Picris echioides Peter Rubtzoff 1964-8-26 5489 Sonoma Marsh, 5 miles northeast of Penngrove on Lichan Road. 213 Comment
  HSC100961  Pilularia americana Peter Warner, Sarah Gordon 2011-5-16 200 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 0 Comment
  UC1076360  Pinus muricata Herbert L. Mason 1928-4-8 4278 Sonoma Fort Ross Comment
  UCD134778  Pinus muricata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  SEINET4467740 Image available Pinus muricata var. borealis D. I. Axelrod 1983-1 E- 3 Sonoma Comment
  JEPS45844  Piperia transversa Eleanor Armstrong Jun 1932 507 Sonoma near Camp Meek Comment
  CAS-BOT-BC166956  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176145  Plagiobothrys Peter Rubtzoff 1969-5-11 6032 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  RSA788369  Plagiobothrys Peter Rubtzoff 1971-6-5 6525 Sonoma W side of Hwy 1, 0.7 mi SE of Salmon Creek Crossing. Comment
  UCD166175  Plagiobothrys Peter Rubtzoff 1969-6-15 6096 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-BC361333  Plagiobothrys Greg de Nevers 1997-4-26 10981 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  RSA783736  Plagiobothrys Peter Rubtzoff 1969-6-15 6089 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. 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
  RSA369973  Plagiobothrys greenei L. S. Rose 1949-4-6 49028 Sonoma Western outskirts of Sonoma 30 Comment
  CDA11324  Plagiobothrys nothofulvus G. F. Hrusa, R. Gross 1995-4-1 12033 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE corner of Hwy. 128 and Ida Clayton Rd. Knights Valley. Comment
  RSA128349  Plagiobothrys stipitatus P. H. Raven 1950-4-6 1565 Sonoma Cotati to Santa Rosa. 30 Comment
  RSA785153  Plagiobothrys stipitatus var. stipitatus Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  SD130522  Plagiobothrys tenellus F. Almeda, G. DeNevers 1981-3-30 4892 Sonoma southeast facing slopes just west of the Redwood Canyon. Comment
  RSA783847  Plagiobothrys undulatus Peter Rubtzoff 1976-6-5 8582 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA783722  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  UC66146  Plantago erecta A. A. Heller 1902-3-27 5167 Sonoma w base of Mt. Hood Mt. Hood Comment
  JEPS7135  Plantago lanceolata W. L. Jepson 1921-9-12 9479 Sonoma Alexander Valley 45 Comment
  SD39913  Plantago lanceolata Edith A. Purer 1932-7-21 4050 Sonoma Bodega Bay Comment
  SD88566  Plantago maritima subsp. juncoides Darley F. Howe 1972-5-3 Sonoma 4.0 miles north of Ft. Ross. Comment
  RSA94009  Platanthera leucostachys Peter Rubtzoff 1951-5-28 84 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UCD96038  Platystemon californicus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 46 Sonoma Bihler's Point, Unit 2 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC92128  Platystemon californicus G. DeNevers 1981-5-2 914 Sonoma Pepperwood Ranch. At Pepperwood by the barn. Comment
  CAS-BOT-BC376252  Plectritis Greg de Nevers 1993-4-11 10369 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. North slope, in Bald Hills 304 Comment
  UCR256105  Plectritis Greg de Nevers 1997-5-13 10997 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa Near Pepperwood Weimar Pond 183 Comment
  UC28835  Plectritis brachystemon F. T. Bioletti June, 1893 Sonoma Hood's Peak Comment
  SD130535  Plectritis ciliosa F. Alameda, G. DeNevers 1981-3-30 4893 Sonoma Pepperwood Ranch, SE facing slopes just west of the Redwood Canyon Comment
  POM192707  Plectritis ciliosa subsp. ciliosa M. S. Baker 1898-3-26 691 Sonoma Hills near McDonalds Reservoir. Comment
  RSA796394  Pleuropogon Peter Rubtzoff, John Thomas Howell 1966-4-30 5686 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  CAS-BOT-BC260929  Pleuropogon californicus John Thomas Howell; Walter Knight; Irja Knight 1987-5-27 6248 Sonoma Todd Road Preserve 24 Comment
  UC1024775  Pleuropogon californicus Leo Whitney 1935-3-17 2354 a Sonoma Santa Rosa Comment
  CAS-BOT-BC260977  Pleuropogon californicus var. californicus David D. Keck 1931-4-1 993 Sonoma 2 miles north of Sears Point, 9 miles south of Sonoma, southern Sonoma County 10 Comment
  POM182703  Pleuropogon californicus var. californicus D. D. Keck 1931-4-1 993 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  RSA155469  Pleuropogon californicus var. californicus L. S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa, half mile east of Cunningham. 15 Comment
  JEPS75984  Pleuropogon hooverianus Craig D. Thomsen 1977-4-16 Sonoma adjacent to Pressley Road (on Sonoma Mountain); Sonoma Mountain 225 Comment
  NY431399  Pleuropogon hooverianus P. P. But 1975-5-17 P 4 Sonoma Along Bohemian Hwy. at Freestone Flat Road, 0.5 mile from Freestone Comment
  RSA0021489  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC255606  Poa annua Greg de Nevers 1981-4-2 612 Sonoma Pepperwood Ranch. Horse Hill mesa Comment
  UCD55143  Poa annua Ellen Dean; Tammie Beyerl 2006-4-28 3025 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  CAS-BOT-BC254553  Poa douglasii John Thomas Howell 1931-4-18 6424 Sonoma Mouth of Salmon Creek, 2 miles N of Bay Comment
  UCD91043  Poa douglasii Freed W. Hoffman 1944-7-2 1983 Sonoma near entrance to Bodega Bay. Comment
  UCD91158  Poa howellii Collector Unknown 1942-5-27 10202 Sonoma along road turning north at at summit of Spring Mt. Road, near boundary of Sonoma and Napa counties. Comment
  UCD90528  Poa kelloggii P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  UCR248953  Poa pratensis Peter Rubtzoff 1976-6-18 8650 Sonoma Kenwood Marsh 120 Comment
  RSA94640  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  UCD90897  Poa secunda subsp. secunda B. A. Etcheverry 1928-4-22 s.n. Sonoma Wilbur Springs. Comment
  CAS-BOT-BC244197  Poa trivialis Peter Rubtzoff 1960-6-5 4430 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC422361  Poa trivialis Peter Rubtzoff 1974-6-2 7526 Sonoma Upper Green Valley Marsh. Comment
  UCD92137  Poa unilateralis Beecher Crampton 1973-5-5 8928 Sonoma Sonoma Coast State Park at Carmet. Comment
  CAS-BOT-BC312677  Poaceae Peter Rubtzoff 1964-5-31 s.n. Sonoma Fitch Mountain Grove, near Healdsburg, along Russian River. Comment
  CAS-BOT-BC376367  Poaceae Greg de Nevers 1992-6-26 10193 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 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
  RSA264717  Pogogyne douglasii subsp. parviflora Peter Rubtzoff 1974-5-26 7499 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA784713  Polycarpon tetraphyllum Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-7-3 163 Sonoma Westside Rd, Bodega bay area Comment
  JEPS43007  Polygala californica W. L. Jepson 1923-6-28 10011 Sonoma Sonoma Canyon Kenwood 243 Comment
  POM138788  Polygala californica Michener, Bioletti 1893-5-7 s.n. Sonoma Hood's Peak Comment
  RSA144915  Polygala californica Roxana S. Ferris, Laura Lorraine 1961-6-15 13553 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  UCD109701  Polygala californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13553 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road. Comment
  UCD109705  Polygala californica Jennifer Bury; Peggy Herzog 1993-5-8 265 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  UCSB15931  Polygala californica Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  UC1541612  Polygala californica H. E. and S. T. Parks 1930-5-9 627 Sonoma near head Alexander Valley Comment
  CAS-BOT-BC540850  Polygonum Peter Rubtzoff 1974-9-1 7859 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville Comment
  UCD166216  Polygonum Peter Rubtzoff 1970-5-30 6241 Sonoma 5 mi. north of Sears Point. Comment
  UCR248762  Polygonum aviculare Peter Rubtzoff 1966-8-25 5802 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UC1562675  Polygonum aviculare subsp. aviculare Barbara Ertter 1988-11-5 8026 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  CAS-BOT-BC414113  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh Comment
  RSA234544  Polygonum hydropiperoides Peter Rubtzoff 1960-9-14 4535 Sonoma Laguna de Santa Rosa, E of Graton, (between Occidental and Guerneville road) Comment
  SEINET11935790  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 Sonoma Willow Creek, 2 mi N of Petaluma Comment
  POM225313  Polygonum punctatum J. T. Howell 1932-9-18 10770 Sonoma Kenwood Marsh near Kenwood 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
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Jan 4 2007
  CAS-BOT-BC76833  Polypodium glycyrrhiza J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  UC42912  Polypodium scouleri F. T. Bioletti 1892-7-6 Sonoma Gualala River Comment
  CAS-BOT-BC311838  Polypogon Peter Rubtzoff 1983-8-28 9671 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  RSA201192  Polypogon australis Peter Rubtzoff 1955-8-13 2044 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  CAS-BOT-BC233187  Polypogon interruptus Greg de Nevers 1981-7-22 1770 Sonoma Pepperwood Ranch. Along the creek at the Roger's Homestead. Comment
  HSC10826  Polypogon interruptus C. S. Chavez 1965-6-9 84 Sonoma 1 mi. S of Guerneville on Hwy. 116, bank of Russian River. Comment
  UCD51661  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma behind Fountaingrove Vineyard, 3 miles north of Santa Rosa along Highway 101. Comment
  SEINET11690151  Polypogon interruptus W. Knight, Knight, I.; Howell, J. T. 1987-1 6281 Sonoma near Todd Road Preserve 24 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
  UC463112  Polypogon monspeliensis Milo S. Baker 1931-6-4 5235 Sonoma Griffin Ranch s Kenwood Comment
  UC50643  Polypogon monspeliensis Jos. Burtt Davy 1896-7-21 Sonoma Russian River below Guerneville; Russian River Comment
  UCD91320  Polypogon monspeliensis Mary M. Hektner 1974-6-28 79 A Sonoma In gravel yard adjacent to the B. Kirkwood House; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA93467  Polypogon monspeliensis Milo S. Baker 12390 Sonoma Near creek west of Petrified Forest at Shale Quarry. Comment
  UCD91339  Polypogon monspeliensis P. B. Kennedy 1920-6-16 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  CDA6117  Polystichum californicum D. G. Kelch 2007-5-13 7 .297 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  JEPS33241  Polystichum californicum F. T. Bioletti 1892-5-31 Sonoma Hood's Peak Comment
  UC727666  Polystichum californicum Milo S. Baker 1944-12-31 10889 Sonoma 1 1/2 mi w El Verano (Fowler Canyon) Comment
  UCD151138  Polystichum californicum James A. Neilson Jr. 1973-6-6 2966 Sonoma Mayacmas Mountains. The Geysers. Intermittent stream west of Geyser Canyon. (Elevation estimated using Google Earth by label maker.) 441 Comment
  CAS-BOT-BC72175  Polystichum californicum A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  UC1745115  Polystichum dudleyi Wendy Born July 2000 Sonoma Along the road and along the west sides of Fife Creek; Armstrong Redwoods State Reserve Comment
  UC1041134  Polystichum munitum J. W. Congdon 1892-5-29 Sonoma Cazadero Comment
  CAS-BOT-BC267131  Potamogeton M. S. Baker 1899-6-28 3653 b Sonoma Russian River, near mouth Comment
  CAS-BOT-BC274037  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UCD165236  Potamogeton nodosus Peter Rubtzoff 1974-6-22 7619 Sonoma Bennett Mountain Lake. Comment
  UCD165770  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  UCD113975  Poterium sanguisorba Mary M. Hektner 1974-7-17 146 Sonoma Outside Kirkwood House on Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC354314  Prosartes Peter Rubtzoff 1957-5-4 3316 Sonoma Duncans Mills Marsh area. Comment
  UCD139804  Prosartes hookeri R. H. Miller 1949-4-6 23 Sonoma 5 miles southeast of Monte Rio, beside on Highway 12. Comment
  SEINET12272809  Prunella vulgaris subsp. vulgaris A. P. Nelson 1961-1 646 1 C Sonoma At Pitkin Marsh Comment
  SFV17996  Prunella vulgaris var. lanceolata G. Beall 1998-6-22 s. n. Sonoma Cazadero, 59 Sylvia Drive at end of paved road. Near Austin Creek. 45 Comment
  UC1288496  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-8-3 646 Sonoma Pitkin Marsh Comment
  UC495537  Prunella vulgaris var. lanceolata Merle Randall 1930-6-8 Sonoma Cazadero Comment
  UC495538  Prunella vulgaris var. lanceolata Merle Randall 1930-6-10 Sonoma Jenner to Fort Ross; Jenner to Fort Ross Comment
  CAS-BOT-BC158589  Prunus Peter Rubtzoff 1987-3-15 9757 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhome Park Road 0.2 miles west of Forest Hills Road Comment
  CAS-BOT-BC159825  Prunus angustifolia Peter Rubtzoff 1952-5-31 1107 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  UCD113174  Prunus cerasifera Frederica Bowcutt 1995-11-19 2066 a Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Along Sonoma Creek next to bridge between outdoor center and campground. Comment
  CAS-BOT-BC154681  Prunus subcordata Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC368037  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Leslie Road 400 Comment
  UCD133633  Pseudognaphalium californicum Frederica Bowcutt 1994-6-25 1905 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. Meadow Trail at Gray Pine Trailhead, immediately W of culvert under Meadow Trail. Along down cut channel feeding into Sonoma Creek which is to the W. 408 Comment
  JEPS128240  Pseudognaphalium luteoalbum Roger Raiche 2000-5-4 079 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD165870  Pseudognaphalium luteoalbum Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC357412  Pseudognaphalium microcephalum Walter Knight; Irja Knight; John Thomas Howell 1984-9-26 5232 Sonoma 1.15 mi. up Cavedale Road Comment
  CAS-BOT-BC361613  Pseudognaphalium stramineum Mary P. Wells 1983-8-4 s.n. Sonoma Highway #1 west of road from Valley Ford to Bodega Comment
  SEINET5345374  Pseudotsuga menziesii var. menziesii L. Fallon 1939-1-6 s.n. Sonoma 10 miles north of Guerneville Comment
  CAS-BOT-BC176177  Psilocarphus Peter Rubtzoff 1970-5-30 6250 Sonoma 5 miles north of Sears Point. Comment
  UCSB50254  Pteridium aquilinum Gray, John 1976-5-1 Sonoma Above Blind Beach, Sonoma State Beach. T7N R11W 60 Comment
  CAS-BOT-BC366943  Pyracantha crenulata Greg de Nevers 1993-7-10 10474 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa in creek W of Finnel cabin 400 Comment
  SEINET11910565  Pyracantha crenulata W. Knight, Knight, E.; Howell, J. T. 1984-1 5073 Sonoma Arnold Dr across from Tenelec near El Verano Comment
  SEINET11993492  Pyrola asarifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -167 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  JEPS22240  Quercus Rimo Bacigalupi 1958-11-23 6961 Sonoma 4 mi s Healdsburg (at junction of Arata Road and U.S. Highway 101, on property of Fred H. Clemens) Comment
  UCD148523  Quercus X chasei G. F. Hrusa 1994-10-25 11915 Sonoma Austin Creek State Recreation Area. Gilliam Creek, immediately below Bullfrog Pond Camp. 160 Comment
  UCD45333  Quercus X chasei Milo S. Baker 1946-8-17 11568 Sonoma (Q. agrifolia X Q. kelloggii). Near residence of Mr. Voit, about 1 1/2 miles (air line) west of town of Cunningham, Sonoma County, California. Comment
  UCD46180  Quercus X howellii J. M. Tucker 1977-6-16 4394 Sonoma (Q. garryana X Q. dumosa). On Shurtleff Ranch off Chalk Hill Road to the east, ca. 4 miles (air-line) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa), Sonoma County, California. 121 Comment
  CAS-BOT-BC61632  Quercus agrifolia Irja Knight; Walter Knight 1964-11-15 794 Sonoma along road half way up Hood's Peak Comment
  UC1173734  Quercus agrifolia Joseph P. Tracy 1939-10-14 16514 Sonoma 4 mi se Geyserville; Alexander Valley 121 Comment
  UCD151139  Quercus berberidifolia James A. Neilson Jr. 1973-6-6 2959 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  LA46478  Quercus chrysolepis Marcus E. Jones; A. M. 1931-8-3 28846 Sonoma Cloverdale Comment
  SEINET12030399  Quercus douglasii W. Knight, Knight, I.; Knight, T. 1985-1 5391 Sonoma Pine Mt. Road Comment
  CAS-BOT-BC79570  Quercus dumosa G. De Nevers 1981-9-5 1822 Sonoma In the W arm of the Garrison Canyon Comment
  SD113991  Quercus durata Darley F. Howe 1972-4-28 4813 Sonoma Mt Hood Range, Trinity Road 395 Comment
  UCR148007  Quercus durata var. durata Frederica Bowcutt 1994-5-1 1752 B Sonoma Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco and c. 10 air mi east of Santa Rosa; c. 1.5 air mi N of Kenwood; c. 18 air mi NW of Napa. Adobe Canyon along Goodspeed Trail c. 1/8 mi from trail head on Adobe Canyon Road 213 Comment
  CAS-BOT-BC94668  Quercus garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles N of Penngrove 365 Comment
  UCD46202  Quercus garryana Roman Gankin 1967-10-4 1078 3 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  HSC100879  Quercus garryana var. garryana Peter Warner 2011-6-16 218 Sonoma Jenner Headlands property, ~3 mi. NW of Jenner, lower Russian Gluch, near large rock outcrop downslope from Muniz Ranch Rd., ~400 m N20 deg. E from Hwy. 1 Russian Gulch Bridge. 27 Comment
  CAS-BOT-BC94707  Quercus john-tuckeri Chester Dudley 1936-5-1 s.n. Sonoma Indian Creek between Creston and Comatti Comment
  CAS-BOT-BC105477  Quercus kelloggii Walter Knight; Irja Knight 1963-9-1 150 Sonoma Pine Mt. Rd. NE of Cloverdale, Harold Smith Ranch Comment
  RSA169362  Quercus kelloggii L. S. Rose 1964-6-27 64058 Sonoma 2 miles north of Sonoma. 274 Comment
  UC5630  Quercus kelloggii unknown 1899-6 111 Sonoma Asti Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  UC1193239  Quercus lobata R. H. Neuns 1950-5-8 107 Sonoma 8 mi e Geyserville 579 Comment
  CAS-BOT-BC134865  Quercus wislizeni D. E. Breedlove 1980-6-27 44778 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA177965  Quercus wislizeni var. frutescens Robert F. Thorne 1965-4-20 34386 Sonoma Robert Sone's place on Rock Ridge Lane- Mentecito Ave. on Rincon Ridge, Santa Rosa. 107 Comment
  UC9370  Ranunculus aquatilis var. capillaceus F. T. Bioletti 1892-1 Sonoma Comment
  UC729243  Ranunculus californicus A. A. Heller 1938-5-14 15082 Sonoma on bluff n Bodega Bay Comment
  SBBG2249  Ranunculus californicus var. californicus H. and M. Dearing 1939-5-14 3352 Sonoma near Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC378679  Ranunculus californicus var. californicus Peter Rubtzoff 1957-5-4 3300 Sonoma Duncans Mills Marsh, border of the uper part of Marsh Comment
  CAS-BOT-BC378686  Ranunculus californicus var. californicus John H. Thomas 1976-6-16 18272 Sonoma southern part of Sea Ranch, northwestern part of county, about 7 mi south of Gualala Comment
  CAS-BOT-BC378765  Ranunculus californicus var. cuneatus Walter Knight; Irja Knight 1964-2-27 530 Sonoma coastal bluff at Rocky Point a little south of Gualala Comment
  CAS-BOT-BC83408  Ranunculus lobbii Peter Rubtzoff 1962-4-11 4796 Sonoma Americano Creek area just south of Bloomfield. Near Petaluma - Valley Ford road. Comment
  JEPS86343  Ranunculus lobbii Jack and Betty Guggolz 1988-2-18 899 Sonoma pool about 1/8 mi e Fulton Road (1/4 mi n of Guerneville) Comment
  SEINET7067271  Ranunculus macounii A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  UCD167340  Ranunculus muricatus James A. Neilson Jr. 1983-5-9 4093 Sonoma Mayacmas Mountains. About 3 mi north of beginning of Geysers-Healdsberg Rd. (Location information obtained from Neilson 4091 which indicated mileage is from the beginning of Geysers-Healdsberg Rd. Exact location unknown. Coordinates estimated by label maker.) Comment
  POM269266  Ranunculus muricatus H. L. Mason 1928-4-7 4275 Sonoma Jenner, mouth of Russian River Comment
  UCD96242  Ranunculus muricatus Caitlin Lewis; William Mutch 1993-4-17 11 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. In opening of mixed evergreen forest adjacent to Sonoma Creek. 365 Comment
  UC1614276  Ranunculus orthorhynchus var. bloomeri Charles M. Belshaw 1936-3-7 1555 Sonoma 1 mi ne of Occidental Comment
  UCD150136  Ranunculus orthorhynchus var. bloomeri Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  RSA534706  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1959-5-31 4084 Sonoma Freestone Marsh Comment
  RSA523187  Raphanus sativus R. R. Halse 1987-2-22 3376 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
  SEINET11992994  Reseda luteola W. Knight, Knight, I.; Knight, T. 1985-1 5142 Sonoma Willow Creek Road, ca 3 mi from Coleman Valley Road Comment
  RSA181374  Rhamnus californica James I. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S of the Geysers. Comment
  CAS-BOT-BC53742  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  LA41001  Rhododendron macrophyllum Washington Research Society; 1956-5-29 sn Sonoma 1 mi. SE of Gualla, NW county 15 Comment
  SBBG50850  Rhododendron neoglandulosum M. Yeargan 1973-5-30 83 Sonoma 3 mi SE of town of Stewarts Point Comment
  UC22146  Rhododendron occidentale W. H. Brewer 1861-11-9 859 Sonoma nw of Mount St. Helena Comment
  UC634736  Rhododendron occidentale H. L. Mason 1934-4-28 8066 Sonoma Head of Dohrman Creek, Jensen's Ranch Dohrman Creek; , Jensen's Ranch Comment
  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-BC200346  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh Comment
  POM131901  Rhododendron occidentale var. occidentale A. A. Heller 1902-6-24 5749 Sonoma Near Burke's Sanitarium Comment
  RSA0037117  Rhododendron sonomense G. Fred Hrusa 1989-5-8 6097 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CAS-BOT-BC111865  Rhynchospora alba Herbert L. Mason 1946-7-4 12880 Sonoma Pitkin Marsh; between Santa Rosa and Forestville. Comment
  CAS-BOT-BC111873  Rhynchospora alba Hans Leschke; John Thomas Howell; Baker 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111884  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  UC963897  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh Comment
  UC1026387  Rhynchospora globularis var. globularis John Thomas Howell 1945-7-18 Sonoma Pitkin Marsh Comment
  POM303625  Rhynchospora globularis var. recognita J. T. Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC111937  Rhynchospora recognita Peter Rubtzoff 1951-7-22 530 Sonoma Pitkin Marsh, Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC93053  Ribes californicum var. californicum A. A. Heller; H. E. Brown 1902-3-21 5113 Sonoma Hills southeast of Santa Rosa. Comment
  CAS-BOT-BC93056  Ribes californicum var. californicum Dorothy Scherer 1996-3-25 021 Sonoma Northeast corner of Park, ca. 500 feet west of Seaview Road, Fort Ross State Historic Park. 451 Comment
  UC75436  Ribes menziesii Milo S. Baker 1898-4-3 24 Sonoma between Forestville and Guerneville Comment
  CAS-BOT-BC198921  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-31 5195 Sonoma Mt. Hood Comment
  SEINET5733191 Image available Ribes victoris David Diaz 1971-1 35 a Sonoma On North slope near construction site; ca. 8 miles west of Geyserville on Stewarts Point--Skaggs Springs Roads.; Stewarts Point Comment
  POM203710  Romanzoffia californica J. T. Howell 1931-4-18 6411 Sonoma Larkspur Rock near Bodega Bay. Comment
  UCR254885  Rorippa truncata Peter Rubtzoff 1973-8-21 7250 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 41 Comment
  UC12892  Rosa gymnocarpa unknown 1888-8-29 Sonoma below Guerneville; Russian River Comment
  UC467684  Rosa gymnocarpa H. P. Chandler 1907-4-27 7542 Sonoma above 2nd reservoir (St. Helena to Santa Rosa) Comment
  CAS-BOT-BC148296  Rosa pinetorum Greg de Nevers 1991-12-18 9839 Sonoma Pepperwood Naturual Preserve, 3450 Franz Valley Road, along Franz Valley Rd. by road cut below Al Cuneo's house. 475 Comment
  UCD151160  Rosa pisocarpa James A. Neilson Jr. 1973-6-6 3116 Sonoma Mayacmas Mountains. The Geysers. Wooded area near watercourse 1 mile west of Geyser Canyon. (Elevation estimated using Google Earth by label maker.) 609 Comment
  CAS-BOT-BC262823  Rubus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC147992  Rubus leucodermis H. E. McMinn 1922-6-17 191 Sonoma By Monte Rio Comment
  UCD17812  Rubus leucodermis H. Olmo 8-10 May 1962 62 07 Sonoma California. Sonoma County: 7.4 miles from junction of road to Fort Ross, in Cazadero. Near entrance to Horseshoe Ranch. Comment
  UC1073291  Rubus spectabilis George B. Rossbach 1955-3-19 310 Sonoma on thoroughfare into Bodega Harbor opposite Doran Beach Point (e edge Bodega Head); , thoroughfare into Bodega Harbor 22 Comment
  CAS-BOT-BC157177  Rubus ursinus A. A. Heller 1902-6-26 5774 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  RSA800078  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  RSA800079  Rubus ursinus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC166690  Rumex Peter Rubtzoff 1958-7-20 3791 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166655  Rumex Peter Rubtzoff 1958-8-31 3947 Sonoma Atascadero Creek Marsh. Comment
  RSA94324  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma Pitkin Marsh, near Forestville: Eastern branch of NE upper Marsh in partial shade on damp ground Comment
  CAS-BOT-BC421581  Rumex crassus Walter Knight; Irja Knight 1963-8-13 179 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC166969  Rumex crispus Peter Rubtzoff 1959-9-13 4268 Sonoma Vacation Beach, near Guerneville. Comment
  RSA783835  Rumex fueginus Peter Rubtzoff 1963-10-5 5286 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  RSA783836  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  RSA783832  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa area East of Graton, West of the Laguna. Between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC433849  Rumex pulcher F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -155 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US hwy 101 on Geysers Road. 80 Comment
  CAS-BOT-BC433850  Rumex pulcher Mary P. Wells 1981-7-2 s.n. Sonoma Black Point, The Sea Ranch Comment
  POM252714  Rupertia physodes A. A. Heller 1902-6-11 5991 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UCD108456  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  RSA658431  Rytidosperma pilosum J. C. Roos 1957-7-2 6651 Sonoma Miller ridge Comment
  CAS-BOT-BC445688  Sagittaria cuneata Peter Rubtzoff 1955-10-12 2167 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC445692  Sagittaria cuneata Peter Rubtzoff 1955-7-16 1965 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445779  Sagittaria latifolia Peter Rubtzoff 1958-7-26 3814 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  SEINET3895885  Sagittaria latifolia Lewis S. Rose 1960-9-14 60091 Sonoma Laguna de Santa Rosa 2 mi. e. of Graton.; 0 15 Comment
  UC728605  Sagittaria latifolia Milo S. Baker 1945-7-18 11119 Sonoma Pitkin Marsh Comment
  RSA0015572  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  CAS-BOT-BC125946  Salix X rubens Milo S. Baker 1928-3-12 2734 b Sonoma Hawkins Residence Comment
  CAS-BOT-BC290592  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC103089  Salix bonplandiana Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7838 Sonoma Kenwood Marsh Comment
  SEINET11998392  Salix bonplandiana W. Knight, Knight, I. 1988-1 6208 Sonoma Hacienda, along Russian River Comment
  CAS-BOT-BC103942  Salix exigua Peter Rubtzoff 1954-7-4 1531 Sonoma Austin Creek Marsh Comment
  SEINET10380777  Salix exigua A. A. Heller 1902-4-8 5224 Sonoma Bennet Valley, SE of Santa Rosa. Comment
  CAS-BOT-BC107751  Salix hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley southeast of Santa Rosa Comment
  CAS-BOT-BC107798  Salix hindsiana Walter Knight; Irja Knight 1963-9-14 254 Sonoma North roadside, Storny Pt. Road 1/2 mi. W. Railroad Ave. Comment
  CAS-BOT-BC106957  Salix laevigata Mary P. Wells 1987-2-21 850 Sonoma South side of Spring Lake, Santa Rosa Comment
  UC5014  Salix laevigata H. N. Bolander 1867-6-6 6586 Sonoma Cloverdale Russian River Valley, Cloverdale Comment
Read comments
Jun 5 2007
  SEINET10393028  Salix laevigata A. A. Heller 1902-4-18 5329 Sonoma On Russian River, near Windsor. Comment
  UCSB10868  Salix lasiandra Baker, Milo; Ball, Carleton; Bracelin, H. 1931-5-9 Sonoma About 2 km east of Bodega Bay Comment
  UC453095  Salix lasiandra subsp. lasiandra W. A. Setchell 1925-7-25 14 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  UC482064  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. Bodega Bay (near Bodega, on Santa Rosa - Bodega Hwy., Larkspur R__k) Comment
  UC66156  Salix lasiandra subsp. lasiandra A. A. Heller 1902-3-28 5174 Sonoma Santa Rosa Creek e. of Santa Rosa Comment
  CAS-BOT-BC128052  Salix lasiandra var. lasiandra Peter Rubtzoff 1953-5-16 1359 Sonoma Vacation Beach, near Guerneville, bank of Russian River Comment
  CAS-BOT-BC107094  Salix lasiolepis Peter Rubtzoff; T. J. Crovello 1964-9-3 5497 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC107098  Salix lasiolepis A. A. Heller 1902-3-11 5025 Sonoma Hills two miles east of Santa Rosa Comment
  HSC19993  Salix lasiolepis R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1340 Sonoma Along Sulphur Creek, 7 mi. W of Big Geysers Comment
  RSA534495  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  RSA534496  Salix lasiolepis Peter Rubtzoff, J. Eckenwalder 1973-10-3 7333 Sonoma Along Salmon Creek. 0.75 mile NW of Freestone. Comment
  UC1042520  Salix lasiolepis Peter Rubtzoff 1951-9-2 714 Sonoma marshy opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC453087  Salix lasiolepis W. A. Setchell 1931-7-25 8 Sonoma lower bank of Russian at Bohemian Grove (near Monte Rio) Comment
  UC453088  Salix lasiolepis W. A. Setchell 1931-7-25 8 Sonoma lower bank of Russian at Bohemian Grove (near Monte Rio) Comment
  UC453103  Salix lasiolepis W. A. Setchell 1931-7-31 19 Sonoma Bodega Bay Comment
  UC482120  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC66160  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma hills 2 mi se Santa Rosa Comment
  SEINET10396745  Salix lasiolepis A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay. Comment
  CAS-BOT-BC107348  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC107357  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-30 2511 Sonoma below road at Bay, Bodega Bay Comment
  RSA534503  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Covello 1964-9-3 5495 Sonoma Bodega Bay Marsh. Comment
  SEINET10417356  Salix lucida subsp. lasiandra A. A. Heller 1902-3-18 5098 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  CAS-BOT-BC125699  Salix melanopsis H. E. McMinn 1922-6-7 183 Sonoma Russian River near Guerneville Comment
  SD918  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove, near Monte Rio, gravelly bed pf Russian River Comment
  UC482050  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC126179  Salix scouleriana Peter Rubtzoff; J. E. Eckenwalder 1973-10-3 7332 Sonoma 0.75 mi northwest of Freestone Comment
  CAS-BOT-BC126197  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  UC524791  Salix scouleriana W. A. Setchell 1934-7-10 8 Sonoma Ridge Hwy. above Fort Ross Comment
  UC482104  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 35 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UCD111894  Salix sitchensis P. G. Connors 1991-7-2 192 Sonoma On lower slope of damp hillside on Bodega Head, bordering harbor. Comment
  UCD111909  Salix sitchensis Mary M. Hektner 1974-7-20 157 Sonoma Paralleling Pacific Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UCSB10843  Salix sitchensis Baker, Milo; Ball, Carleton; Bracelin, H. 1931-5-9 Sonoma About 2 km. east of Bodega Bay, Sonoma County Comment
  UCD162166  Salvia sonomensis D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1519 Sonoma Hooker Creek watershed. 520 Comment
  CAS-BOT-BC221105  Salvia sonomensis K. J. Murray 1980-4-12 024 Sonoma Franz Valley Rd., 8 mi. NW of Calistoga 609 Comment
  CAS-BOT-BC245886  Sambucus nigra subsp. caerulea Peter Rubtzoff 1970-9-8 6382 Sonoma River Road ca. 3 miles west of Fulton Comment
  JEPS76926  Sanicula arctopoides Robert M. Lloyd 1963-2-24 2052 Sonoma on State Highway 1, 4 mi s State Highway 12 15 Comment
  UCD160752  Sanicula crassicaulis James A. Neilson Jr. 1975-5-23 3199 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  OBI55096  Sanicula graveolens L. Constance, L. R. Heckard and A. R. Kruckeberg 1950-5-13 3329 Sonoma Ridge NE of Sulpher crk 4 mi W of Lincoln Rock 762 Comment
  CDA10850  Sanicula laciniata G. F. Hrusa, G. L. Stebbins 1994-4-8 11726 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  UC480612  Sanicula laciniata Carl Meyer 1928-3-3 304 Sonoma Santa Rosa Comment
  RSA799991  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 mi east of Guerneville. Comment
  RSA799992  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 mi east of Guerneville, along Russian River. Comment
  UCR244592  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma Banks of Russian River, 6 mi east of Guerneville 18 Comment
  POM126655  Satureja douglasii Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  UC1010439  Saxifraga californica Leo Koch 1938-3-20 48 Sonoma 4 mi n of Santa Rosa (Miss Marian Barbours pasture, on Hwy 101, (Ranch)); North Bay Comment
  UC11766  Saxifraga californica J. Burtt Davy 1896-3-14 1663 Sonoma Cazadero Comment
  UC480598  Saxifraga integrifolia Carl Meyer 1928-4-3 324 Sonoma Santa Rosa Comment
  CAS-BOT-BC441178  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  RSA41967  Saxifraga mertensiana Ella Dales Cantelow 1936-4-5 1216 Sonoma Grade W of Cazadero. 154 Comment
  CAS-BOT-BC436885  Saxifraga mertensiana Milo S. Baker 1924-4-16 69 a Sonoma McDonald to Sea Highway Comment
  UC75643  Scandix pecten-veneris Milo S. Baker 1899-6-5 Sonoma Santa Rosa Comment
  CAS-BOT-BC283142  Schedonorus arundinaceus G. De Nevers 1981-6-20 1593 Sonoma Along Leslie Creek near confluence with Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC422364  Schedonorus arundinaceus Peter Rubtzoff 1962-6-13 4911 Sonoma Freestone Marsh. Comment
  SJSU6046  Schoenoplectus acutus var. occidentalis C. W. Sharsmith 1972-6-24 7801 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  HSC7527  Schoenoplectus americanus James Faro 1962-4-17 18 Sonoma W side of Bodega Bay, N end Comment
  CAS-BOT-BC111633  Schoenoplectus californicus Peter Rubtzoff 1955-7-30 1995 Sonoma Bennett Mtn. Lake. Comment
  RSA540068  Schoenoplectus californicus Peter Rubtzoff 1955-8-6 2020 Sonoma Bodega Harbor Marsh Comment
  RSA0019147  Schoenoplectus maritimus Peter Rubtzoff, Nancy Harrison 1974-9-7 7873 Sonoma Hinebaugh Creek in Rohnert Park, creek bed west of Commerce Blvd. crossing. Comment
  CAS-BOT-BC111658  Schoenoplectus mucronatus Peter Rubtzoff; Nancy Harrison 1974-8-31 7858 Sonoma Hinebaugh Creek in Rohnert Park, creek just east of the Commerce Blvd. crossing. Comment
  RSA90531  Schoenoplectus pungens Milo S. Baker 8611 Sonoma Sea beach at mouth of Salmon Creek Comment
  CAS-BOT-BC111835  Schoenoplectus tabernaemontani Peter Rubtzoff 1963-8-17 5220 Sonoma Salt marsh near Petaluma River just east of Petaluma Comment
  CAS-BOT-BC111108  Scirpus microcarpus Peter Rubtzoff 1954-8-10 1673 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC111111  Scirpus microcarpus Peter Rubtzoff 1954-6-7 1484 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC111118  Scirpus microcarpus Gregory Clark de Nevers 1992-7-25 10234 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 304 Comment
  UC841014  Scirpus pungens Marcus E. Jones, A. M. 1882-7-18 3526 Sonoma Duncan's Mills Comment
  CAS-BOT-BC361398  Scleranthus annuus Greg de Nevers 1993-5-9 10441 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Double Culverts 457 Comment
  CAS-BOT-BC516413  Scoliopus bigelovii A. A. Heller; H. E. Brown 1902-3-22 5128 Sonoma West of Sebastapol Comment
  SEINET12058074  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  JEPS128174  Scrophularia californica Roger Raiche 2001-5-29 041 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD160751  Scrophularia californica James A. Neilson Jr. 1975-5-23 3208 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UC905116  Scutellaria tuberosa Milo S. Baker 1947-4-22 11695 Sonoma Hood Mountain, along trail towards cliffs Hood Mountain 243 Comment
  CAS-BOT-BC361363  Scutellaria tuberosa Greg de Nevers 1997-4-16 10933 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  JEPS48027  Sedum spathulifolium W. L. Jepson 1923-6-28 10017 Sonoma Kenwood , Kenwood (Sonoma Canyon) 243 Comment
  RSA0074774  Sedum spathulifolium Christopher Davidson 1977-6-17 5884 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  CDA17204  Selaginella wallacei G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16203 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UC1223159  Senecio flaccidus var. douglasii Joseph P. Tracy 1946-9-3 17652 Sonoma just s Mendocino County line; Russian River Comment
  UCR45083  Senecio greenei L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UCD135615  Senecio minimus D. Sampson 1926-7-8 s.n. Sonoma Monte Rio Ranch. Comment
  CAS-BOT-BC364219  Senecio sylvaticus Peter Rubtzoff 1969-8-14 6135 Sonoma Coleman Marsh Comment
  CAS-BOT-BC364680  Senecio vulgaris Walter Knight; Irja Knight 1963-10-14 414 Sonoma Blomquist Ranch, Penngrove Comment
  UCD133859  Senecio vulgaris Frederica Bowcutt 1996-3-24 2077 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Along Lower Bald Mtn. Trail on first switchback. 441 Comment
  UC536019  Sequoia sempervirens W. A. Setchell and Victor Duran 1935-3-31 Sonoma garden of Mrs. Max Knittl Monte Rio Comment
  SEINET10612339  Sequoia sempervirens A. Arthur Heller, H. E. Brown 1902-3-16 Heller 5080 Sonoma Russian River, Near Trenton. Comment
  CDA2404  Setaria faberi David Morgan Aug 1958 Sonoma Highway 101 (redwood), exactly on Sonoma Co.-Marin Co. line 0 Comment
  CAS-BOT-BC290640  Sidalcea Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UC198508  Sidalcea calycosa Katharine Brandegee Sonoma Santa Rosa Comment
  JEPS50080  Sidalcea diploscypha W. L. Jepson 1921-6-2 9295 Sonoma Healdsburg Comment
  CAS-BOT-BC205607  Sidalcea malviflora Dorothy Scherer 1996-6-3 049 B Sonoma M.M. 34.00 halfway to ocean. Fort Ross State Historic Park 18 Comment
  UCSB50223  Sidalcea malviflora Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 16 Comment
  UC1012940  Sidalcea malviflora subsp. laciniata C. L. Hitchcock 1952-6-4 19582 Sonoma on road to Petaluma about 2 mi e Sebastopol; e of Sebastopol on road to Petaluma 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
  SDSU8176  Sidalcea malviflora subsp. purpurea D. F. Howe 1966-6-2 4260 Sonoma Coast 3 miles north of Bodega Bay Comment
  UC972134  Silene californica Helen K. Sharsmith 1952-6-18 4131 Sonoma 0.8 mi w of junction of Pine-Flat-Middletown road with Socrates Mine Road (Mayacamas Range); Inner North Coast Ranges, Mayacamas Range 914 Comment
  CAS-BOT-BC384437  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  UCR143600  Silene gallica G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  UCD98632  Silene gallica Botany 102 Students 1993-5-8 280 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile S of Red Mountain, N of Sonoma Creek. Comment
  UCD98687  Silene gallica Helen K. Sharsmith 1963-5-25 5478 Sonoma on road from Freestone to Occidental. 121 Comment
  CAS-BOT-BC389884  Silene scouleri subsp. scouleri Alice Eastwood 1899-6-1 s.n. Sonoma Bodega Point Comment
  RSA366986  Sisyrinchium bellum Christopher Davidson 1977-6-20 6037 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  SEINET12049793  Sisyrinchium bellum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -170 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 450 Comment
  SEINET12050589  Sisyrinchium bellum F. H. Utech 1988-1 88 -190 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  RSA239774  Sisyrinchium californicum Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1090 Sonoma Pitkin-Jones Tree Farm, on Vine Hill Road north of junction with Guerneyville Road 9 miles west of Santa Rosa Comment
  UCSB913  Sisyrinchium californicum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 mile north of Sousa Corners 60 Comment
  UC1585373  Smilacina racemosa R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 6 Sonoma 0.3 km e Stewarts Point (on Skaggs Springs-Stewarts Point Rd, nw-facing bank) 50 Comment
  CAS-BOT-BC164681  Solanaceae Peter Rubtzoff 1951-9-3 741 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC164027  Solanum Peter Rubtzoff 1961-8-22 4685 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC83501  Solanum lycopersicum G. DeNevers 1992-10-15 10250 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 304 Comment
  CAS-BOT-BC344875  Solidago Peter Rubtzoff 1961-9-20 4748 Sonoma Americano Creek, 0.9 miles west of Bloomfield. Open, damp ground. Comment
  SEINET11807811  Solidago occidentalis W. Knight, Wagnon, K. 1987-1 6106 Sonoma Willow Brook, N of Petaluma Comment
  CAS-BOT-BC173669  Soliva sessilis Peter Rubtzoff 1955-8-7 2036 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC173700  Soliva sessilis Peter Rubtzoff 1960-5-18 4373 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC374525  Sonchus asper G. DeNevers 1981-4-25 813 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  POM232058  Sparganium erectum subsp. stoloniferum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  SEINET7420494  Spartium junceum J. Landers 1974-9-28 s.n. Sonoma 5 miles west of Rio Nido. 91 Comment
  CAS-BOT-BC390048  Spergula arvensis Barbara Stuart Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  UCR275243  Spergularia Peter Rubtzoff 1971-8-9 6632 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC390517  Spergularia macrotheca var. macrotheca Alice Eastwood 1921-5-8 10456 Sonoma Petaluma Comment
  CAS-BOT-BC390727  Spergularia rubra Alice Eastwood; John Thomas Howell 1936-5-19 2497 Sonoma Santa Rosa Comment
  CAS-BOT-BC534886  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, in the open, in water Comment
  CAS-BOT-BC500698  Stachys Peter Rubtzoff 1959-5-30 4069 Sonoma Freestone Marsh Comment
  CAS-BOT-BC502059  Stachys Peter Rubtzoff 1971-9-3 6691 Sonoma SE border of Spring Creek Reservoir area Comment
  UC380648  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  SEINET9333111  Stachys rigida var. quercetorum John Nelson, Wnek, R. 2000-3-7 20940 Sonoma Coleman Beach Comment
  UCD19189  Stachys rigida var. quercetorum Ray Hoffman 1976-5-31 22 Sonoma 0.3 mi. south of junction of State Hwy 116 and Moscow Rd., 0.2 mi. south on Freezeout Rd. 15 Comment
  CAS-BOT-BC361391  Stachys stricta Greg de Nevers 1993-8-8 10487 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa at Upper Skovie Spring (below Rd. T) 400 Comment
  UCD99350  Stellaria littoralis P. G. Conners 1991-7-3 195 Sonoma Bodega Marina Laboratory; above Horseshoe Cove Beach. Comment
  POM118621  Stellaria media Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC405133  Stellaria nitens D. E. Breedlove 1983-4-11 58691 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  UC1299292  Stephanomeria elata Freed W. Hoffman 1946-9-26 579 Sonoma road to Layton Mine, Austin Creek North Coast Ranges, Austin Creek Comment
  SBBG42898  Stephanomeria elata L. D. Gottlieb 1966-8-5 66115 Sonoma Trinity Rd, ca. 0.5 mi E of jct with Cavedale Rd 548 Comment
  UCR255650  Stipa lepida Greg de Nevers 1997-4-24 10964 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  HSC13351  Stipa lepida J. V. Lenz 1947-4-20 Sonoma CA 1 at Russian River. Comment
  JEPS78239  Streptanthus barbiger Charley Patterson 1979-6-22 Sonoma ca 3 air mi sw Whispering Pines (recently disturbed fire break); Whispering Pines Quad Comment
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Apr 16 2007
  UCR67076  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  UC1292752  Streptanthus glandulosus Freed W. Hoffman 1947-5-12 1052 Sonoma Camp Meeker North Coast Ranges Comment
  UC1292755  Streptanthus glandulosus Freed W. Hoffman 1947-6-4 1066 Sonoma near Dorr's Cabin, East Austin Creek Comment
  CAS-BOT-BC87234  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-4 6178 Sonoma Santa Rosa Canyon, north of Mount Hood. Comment
  UC1492790  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3362 Sonoma near Nylander's house (near Rocky Mountain); North Coast Ranges, East Austin Creek Comment
  UC985953  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-17 2343 Sonoma Red Slide at headwaters of creek North Coast Ranges, East Austin Creek Comment
  UC985966  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-16 2346 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  CAS-BOT-BC87297  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  UC673192  Streptanthus glandulosus subsp. sonomensis Lincoln Constance and Reed C. Rollins 1942-5-10 2863 Sonoma 4 mi n Geyserville; North Coast Ranges 60 Comment
  SEINET11990984  Streptanthus glandulosus var. secundus R. Raiche, Edwards, S.; Knight, W.; Knight, I. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 274 Comment
  UC1292743  Streptanthus morrisonii Freed W. Hoffman 1948-6-17 2347 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UCD161866  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1492805  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-6-30 3381 Sonoma along Gilliam Creek Gilliam Creek (a branch of East Austin Creek); North Coast Ranges, Gilliam Creek Comment
  UC1492806  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1949-8-19 2995 Sonoma near headwaters of Devil Creek (tributary of East Austin Creek); North Coast Ranges, The Island Comment
  UCD166489  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC269629  Symphoricarpos albus var. laevigatus Peter Rubtzoff 1952-6-13 1252 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC97825  Symphyotrichum chilense J. W. Congdon 1882-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC97829  Symphyotrichum chilense L. R. Abrams 1907-8-1 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC99379  Symphyotrichum subspicatum Peter Rubtzoff 1962-8-3 5018 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC376876  Taraxacum erythrospermum Peter H. Raven 1950-4-6 1587 Sonoma Santa Rosa 152 Comment
  HSC100962  Tauschia kelloggii Peter Warner 2011-5-28 201 Sonoma McCullough Ranch and Cresta Ranches, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), northern part of ridge between lower Mill Creek and Mark West Creek. 0 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
  HSC46827  Teesdalia coronopifolia Chas F. Quibell 1977-3-18 1393 Sonoma SW corner of Fulton and Piner Rds., W Santa Rosa, between Piner Elementary School and the church on Fulton Rd. Comment
  CDA27876  Thermopsis californica var. californica T. C. Fuller 1958-5-24 3993 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UC857532  Thysanocarpus curvipes L. Koch 1938-3-24 65 Sonoma near Kenwood (Los Alamos Canyon (near the quarry)); Los Alamos Canyon, near Kenwood Comment
  CAS-BOT-BC66817  Thysanocarpus curvipes G. DeNevers 1981-4-25 843 Sonoma Pepperwood Ranch. At the big road cut and turnout below Walter Ward's House on Franz Valley Road. Comment
  SEINET11993722  Thysanocarpus curvipes W. Knight, Knight, I.; Edwards, S. 1986-1 5323 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  CAS-BOT-BC67334  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  CAS-BOT-BC447591  Tiarella trifoliata subsp. unifoliata Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC447598  Tiarella trifoliata var. unifoliata Volney Rattan 1877-6-14 118 Sonoma Guernville Comment
  UC27666  Tonella tenella Alice King Apr 1897 Sonoma Healdsburg Comment
  UC909775  Torilis arvensis Milo S. Baker June 1950 12277 Sonoma South end of bridge across Sonoma Creek at Baker Ranch near Kenwood. Comment
  UCD160971  Torilis arvensis James A. Neilson Jr. 1975-7-8 3412 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  RSA801567  Torilis arvensis Peter Rubtzoff 1967-7-2 5844 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD128172  Torilis nodosa Frederica Bowcutt 1984-6-23 436 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  SEINET11739540  Torreya californica W. Knight, Knight, I.; Edwards, S. 1986-1 5355 Sonoma along the trail en route to summit of Geyser Peak, access from Healdsburg-Geysers Road 914 Comment
  UCD135170  Torreya californica A. T. Leiser 1969-6-25 s.n. Sonoma Just So. Ft. Ross Park, Highway 1. Comment
  UCD139858  Toxicoscordion fremontii P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC323058  Tracyina rostrata John Thomas Howell 1967-6-17 42599 Sonoma On Arthur E. Cooley Ranch at confluence of Galloway adn Dry Creeks, northern Sonoma Co. 182 Comment
  JEPS77869  Tragopogon porrifolius Robert M. Lloyd 1965-5-8 3632 Sonoma corner of Pressley Rd and Sonoma Mt. Road (w of Glen Ellen) Comment
  CAS-BOT-BC377111  Tragopogon porrifolius Volney Rattan 1877-6-6 s.n. Sonoma Healdsburg Comment
  OBI49194  Tragopogon porrifolius Sonoma 1935-5-13 9268 Sonoma 3 mi W Santa Rosa on Sebastopol rd Comment
  CAS-BOT-BC519555  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-8-14 21407 Sonoma Sonoma: Perry Marsh Comment
  RSA800348  Trichostema Peter Rubtzoff, Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCLA54886  Trichostema laxum Robert F. Hoover 1942-7-6 5911 Sonoma ridge S of The Geysers Comment
  UCLA54892  Trichostema laxum Marcus E. Jones 1931-7-5 Sonoma The Geysers Comment
  SEINET12337136  Trichostema laxum Unknown 1986-1 60286 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 0.5 mi N of Ida Clayton Rd 747 Comment
  UCD117567  Trientalis latifolia F. Bowcutt 1994-5-1 1756 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trail head. Along Sonoma Creek. 198 Comment
  CAS-BOT-BC173639  Trifolium Peter Rubtzoff 1974-5-26 s.n. Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC173562  Trifolium Peter Rubtzoff 1974-5-11 7383 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  UCSC011040  Trifolium appendiculatum R. Morgan 2005-5-14 4423 A Sonoma Seed originally from one or two plants in Santa Rosa Comment
  JEPS65919  Trifolium barbigerum var. andrewsii H. L. Mason 1931-4-12 Sonoma Fulton Comment
  UCD108381  Trifolium depauperatum var. depauperatum Christine Lee 1993-4-24 91 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  UCD33226  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Lytton. Comment
  UCSC000424  Trifolium dichotomum Charisse Bickford 1979-4-20 s.n. Sonoma Cloverdale Comment
  RSA94341  Trifolium dubium Peter Rubtzoff 1951-7-14 461 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  RSA0079933  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Double Ponds and Turtle Pond. 100 Comment
  UC1130026  Trifolium fucatum H. S. Yates 1934-4-22 3836 Sonoma near Petrified Forest; Calistoga quad 243 Comment
  UCD151187  Trifolium fucatum James A. Neilson Jr. 1974-4-17 2844 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  UCD37564  Trifolium grayi Beecher Crampton 1955-4-5 2411 Sonoma 3 miles northeast of Trenton, 3 miles southwest of Windsor, Starr Road, near Starr School, along Windsor Creek. Comment
  UCD111143  Trifolium hirtum Frederica Bowcutt 1996-5-19 2122 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. Lower Bald Mtn. trail. 426 Comment
  SEINET7067237  Trifolium macraei A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  UC631549  Trifolium microcephalum P. B. Kennedy 1915-5-31 Sonoma Anapolis Comment
  CAS-BOT-BC361358  Trifolium microcephalum Greg de Nevers 1997-4-16 10939 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UCD165137  Trifolium microdon Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC631272  Trifolium oliganthum P. B. Kennedy 1915-5-31 Sonoma Annapolis 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
  UCSC005675  Trifolium stenophyllum Randall Morgan 1995-5-18 2610 Sonoma 6+ miles up Coleman Valley Road from Occidental Comment
  SEINET10577407  Trifolium tridentatum var. tridentatum William H. Brewer 1862-4-17 Brewer 981 Sonoma Sonoma Valley, in a field. Comment
  UCD109400  Trifolium variegatum Jennifer Bury; Peggy Herzog 1993-5-8 277 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  UCD150135  Trifolium variegatum Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  SEINET6935458  Trifolium variegatum W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  UCSC005256  Trifolium variegatum Randall Morgan 1995-5-18 2618 Sonoma Santa Rosa, Vernal field at Stony Point Road (Across from Yuba Drive) Comment
  UCD109496  Trifolium variegatum var. major Terri Williamson 1990-5-20 59 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  UC631368  Trifolium variegatum var. melananthum P. B. Kennedy June 1915 532 Sonoma Del Mar Comment
  UC494185  Trifolium variegatum var. variegatum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  POM21426  Trifolium variegatum var. variegatum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-22 5341 Sonoma Bet Santa Rosa and Agua Caliente Comment
  UCR142042  Trifolium willdenovii Beecher Crampton 1966-5-10 7722 Sonoma North Coast Ranges, about 2 miles west of Fulton along River Road, NW of Santa Rosa 30 Comment
  UCD35305  Trifolium willdenovii Beecher Crampton 1955-4-5 2404 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  CAS-BOT-BC451942  Triglochin maritima Peter Rubtzoff 1963-8-17 5224 Sonoma Near Petaluma River just east of Petaluma. Comment
  UC1364376  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 574 Sonoma w. of Geyserville (at confluence of 2 ravines on Skaggs Springs Rd. ca. 10 mi. w. of its jct. with Dry Creek Rd.) Comment
  CAS-BOT-BC520844  Trillium albidum A. A. Heller; H. E. Brown 1902-3-12 5035 Sonoma Eastern Base of Mt. Hood Comment
  UCD139893  Trillium albidum Frederica Bowcutt; Kate Mawdsley 1996-3-24 2088 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1.5 air miles W of Mount Saint John, along Brushy Peaks Trail jus S of Malm Fork of Sonoma Creek. 594 Comment
  UC1334893  Triphysaria L. D. Thurman 1964-4-24 434 Sonoma on State Hwy #128, 15 mi nw Calistoga Comment
  HSC34693  Triphysaria versicolor subsp. faucibarbata Thomas W. Nelson, James Nelson 1975-5-8 1813 Sonoma Beside Hwy. 101 just S of Ash Creek near the Mendocino-Sonoma Co. line Comment
  SBBG68603  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1920-5-9 631 Sonoma Knights Valley Comment
  UC1745768  Triphysaria versicolor subsp. versicolor Annetta M. Carter 1934-4-29 512 Sonoma 1 mile W of Two Rock junction on road to Tomales. Comment
  CAS-BOT-BC200104  Trisetum canescens G. DeNevers 1981-6-18 1576 Sonoma W arm of Garrison Canyon Comment
  CAS-BOT-BC200114  Trisetum canescens Peter Rubtzoff 1953-5-17 1378 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC522367  Triteleia hyacinthina H. C. Cantelow 1936-5-3 1326 Sonoma N of Shellville Comment
  RSA264776  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley 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-BC527974  Triteleia peduncularis Peter Rubtzoff 1951-6-9 168 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC527978  Triteleia peduncularis Peter Rubtzoff 1962-6-19 4924 Sonoma Occidental Marsh Comment
  SEINET11992138  Turritis glabra F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -107 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.6 mi N of Cavedale Rd from jct 457 Comment
  RSA216176  Typha domingensis Peter Rubtzoff 1955-8-21 2090 Sonoma Vacation Beach, near Guerneville. Near the margin of the Russian River. Comment
  RSA540051  Typha domingensis Peter Rubtzoff 1966-7-4 5775 Sonoma Saguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  RSA540052  Typha latifolia Peter Rubtzoff 1964-8-20 5459 Sonoma Americano Creek area. On Petaluma-Valley Ford Road near Bloomfield. 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
  UC16921  Ulex europaeus Harley P. Chandler 1900-5-25 685 Sonoma Bodega Comment
  POM21294  Ulex europaeus A. A. Heller, H. E. Brown 1902-3-22 7308 Sonoma Among Redwood Trees W of Sebastopol Comment
  RSA102075  Umbellularia californica John Reafield 1872-8-27 329 Sonoma Geyser Comment
  UC1084350  Umbellularia californica G. Thomas Robbins 1937-3-25 5 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  CDA7733  Uropappus lindleyi D. G. Kelch 2007-5-13 7 .294 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  RSA169297  Urtica dioica subsp. gracilis L. S. Rose 1964-6-3 64056 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC403986  Urtica dioica subsp. gracilis Walter Knight; Irja Knight 1964-2-27 556 Sonoma Ca. 2 mi S. Gualala on highway #1 Comment
  CAS-BOT-BC404229  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-9-13 5503 Sonoma Clear Lake State Park, along Cole Creek Comment
  CAS-BOT-BC193387  Vaccinium ovatum Peter Rubtzoff 1953-5-17 1386 Sonoma Forested hills south of Guerneville, Neeley Mill area. Comment
  UC1121134  Vaccinium ovatum E. Armstrong 1934-3-26 948 Sonoma Camp Meeker Sebastopol Quad. 91 Comment
  UC473575  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 mi n Fort Ross Comment
  UC558487  Veratrum fimbriatum Elizabeth E. Morse 1936-8-30 Sonoma Gualala River Comment
  CAS-BOT-BC320526  Verbascum Peter Rubtzoff 1973-8-29 7289 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD168061  Verbascum blattaria James Neilson 1977-6-7 3902 Sonoma Mayacmas Mountains. 1 mile so Socrates Mine on crest road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CDA16000  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15680 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 2 of 2. Comment
  UC104852  Verbena lasiostachys var. lasiostachys Alice Eastwood 1900-5-8 Sonoma Knight's Valley Comment
  SJSU4770  Verbena litoralis W. A. Lordge 1963-11-2 21 Sonoma Fort Ross Comment
  CAS-BOT-BC164398  Veronica Peter Rubtzoff 1966-6-5 5757 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  RSA785448  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC164370  Veronica Peter Rubtzoff 1962-6-8 s.n. Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC177115  Veronica americana Peter Rubtzoff 1954-8-13 1711 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC182764  Veronica americana Peter Rubtzoff 1962-8-22 5049 Sonoma Bodega Bay Marsh. Comment
  RSA94259  Veronica scutellata Peter Rubtzoff 1951-6-16 233 Sonoma Lower part of the upper marsh. Comment
  RSA799985  Vicia Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh. Comment
  RSA799986  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC257977  Vicia Peter Rubtzoff 1974-5-26 7500 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC540814  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh area. Comment
  UCR256113  Vicia lutea Greg de Nevers 1994-5-21 10524 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA4385  Vicia tetrasperma T. C. Fuller 1966-6-2 14855 Sonoma West side of Highway 1 to Tomales, 1 mile southeast of Valley Ford. 0 Comment
  UCR267158  Vinca major Peter Warner 2010-3-1 111 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd., between road and Cheney Gulch Creek 39 Comment
  SEINET9288686  Vinca major Unknown 1990-5-4 Sonoma Sonoma Co. Riparian, with Vitis, Alnus. Botany 102, Botany Department, University of California, Davis. Comment
  UC19264  Viola adunca J. Burtt Davy 1896-3-15 1676 Sonoma Fort Ross Comment
  CAS-BOT-BC270247  Viola adunca Ella Dales Cantelow 1939-4-10 4569 Sonoma 2.3 miles S of Stewarts Point Comment
  UC1763296  Viola douglasii Milo S. Baker May 1906 5518 Sonoma near Melita (Santa Rosa Golf Links, Peach Flat) Comment
  UC1761828  Viola douglasii Mary Focht 1932-3-11 Sonoma Santa Rosa Country Club golf links Comment
  RSA135422  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  RSA135421  Viola glabella Volney Rattan 1880-04 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC5196  Viola helleriana Amos Arthur Heller; H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay. Comment
  CAS-BOT-BC536930  Viola lobata G. DeNevers 1982-5-18 2022 Sonoma Pepperwood Ranch, N side of Franz Valley Rd, 1.5 mi past the top of the hill Comment
  SEINET7040048  Viola lobata subsp. integrifolia A. G. Vestal 1963-5-12 s.n. Sonoma Far point on Spring Mountain Road, 4.4 miles west of St. Helena. Calistoga Quad. UTM Zone 10, 538439mE, 4263542mN. Comment
  CDA10944  Viola ocellata G. F. Hrusa, G. L. Stebbins 1994-3-28 11702 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. N of Duncan's Mills on D.M. Cazadero Rd. Adjacent to East Austin Cr. Rd. on E side of Creek. Comment
  UC35301  Viola ocellata J. Burtt Davy 1896-3-16 1680 Sonoma Cazadero Comment
  UC1761634  Viola pedunculata Miss Bumbaugh 1898-3-15 Sonoma near Sebastopol Comment
  UCSB7344  Viola sempervirens Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits off Camp Meeker Comment
  CAS-BOT-BC135297  Viscum album William O. McCartney 1966-5-4 s.n. Sonoma in a residential property, NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  CDA2767  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma Stanley Rose property, 1090 Gravenstein Highway North at Hill Station Road, 1 mile north of Sebastopol. 0 Comment
  CDA2768  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma In back yard of property, 1220 Gravenstein Highway North at Hill Station Road, 1 mile north of Sebastopol. 0 Comment
  HSC95746  Vitis californica C. Wistrom 1996-5-26 25 Sonoma 1601 Dry Creek Rd. 49 Comment
  UCD58729  Vitis californica Eric Wada 2006-9-3 RR 4 Sonoma On Westside Road between Healdsburg and Guerneville. North bank of Russian River 18 Comment
  UCD58730  Vitis californica Eric Wada 2006-9-3 RR 5 Sonoma Just east of Monte Rio on SR116 17 Comment
  SEINET10691484  Vitis californica Henry N. Bolander 1866-1 Bolander s.n. Sonoma River at Cloverdale, Calif. Comment
  CAS-BOT-BC199896  Vulpia bromoides G. DeNevers 1981-7-1 1725 B Sonoma On the slope W of the Goat Pen at the Garrison House Comment
  CAS-BOT-BC199912  Vulpia bromoides Peter Rubtzoff 1960-5-22 4404 Sonoma Laguna de Santa Rosa area east of Graton (betw. Occidental & Guerneville rds.) Comment
  JEPS45825  Vulpia bromoides Eleanor Armstrong 1932-5-25 175 Sonoma 3 mi w Santa Rosa 45 Comment
  UC1023606  Vulpia bromoides Virginia Bufford 1935-5-17 39 Sonoma Guernewood Park; Russian River Comment
  UC576350  Vulpia bromoides H. S. Yates 1937-6-6 6585 Sonoma 3 mi e Jenner; Duncans Mills Quad. 60 Comment
  CAS-BOT-BC199902  Vulpia bromoides G. DeNevers 1981-5-14 1152 Sonoma Small Canyon N of Pippindale pond Comment