Search Results — 2000 specimen records retrieved (1261 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78075  Abies grandis Walter Knight; Irja Knight 1964-2-27 538 Sonoma Valley Crossing Comment
  CAS-BOT-BC233755  Abronia umbellata Rimo Bacigalupi 1928-6-18 1898 Sonoma Beach at mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  CAS-BOT-BC177006  Acacia Walter Knight; Irja Knight 1990-5-1 6591 Sonoma Calistoga Road at north summit between Gates and Porter Creek roads 243 Comment
  CAS-BOT-BC268102  Acacia Peter Rubtzoff 1973-8-21 7252 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  UCD160514  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 702 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.66. 53 Comment
  CAS-BOT-BC436992  Acaena pinnatifida var. californica J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC361332  Acaena pinnatifida var. californica Greg de Nevers 1997-4-26 10982 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  CDA11341  Acer macrophyllum G. F. Hrusa 1995-4-2 12051 Sonoma North Coast Biodiversity Arena; Corner of Franz Valley School Rd. and Franz Valley Rd. Comment
  UCD117006  Acer macrophyllum Jennifer Bury; Peggy Herzog 1993-5-8 290 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 0.75 mile. On Bald Mountain Trail. 426 Comment
  UC635204  Acer negundo var. californicum Herbert L. Mason 1925-11-26 2494 Sonoma Monte Rio along the Russian River, Monte Rio Comment
  CAS-BOT-BC30084  Achillea millefolium G. DeNevers 1981-5-15 1168 Sonoma N arm of Garrison Canyon Comment
  CAS-BOT-BC400007  Achlys triphylla Greg de Nevers; Susan Charnley 1987-3-28 8129 Sonoma Sea Ranch, along the Gualala River 20 Comment
  CAS-BOT-BC29159  Achyrachaena mollis D. D. Keck 1931-4-2 1000 Sonoma Boyes Springs 30 Comment
  JEPS128276  Acmispon brachycarpus Roger Raiche 2005-4-22 014 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD104065  Acmispon brachycarpus Freed W. Hoffman 1946-9-26 561 Sonoma Layton Mine, Austin Creek. Comment
  SBBG3390  Acmispon cytisoides H. and M. Dearing 1939-5-14 3378 Sonoma near Fort Ross Comment
  UCD104370  Acmispon strigosus P. G. Connors 1991-6-10 139 Sonoma Bodega Head and Dunes. BMR. Comment
  CAS-BOT-BC65531  Adiantum aleuticum Mary P. Wells 1984-7-21 375 Sonoma The Hot Spot, The Sea Ranch Comment
  CAS-BOT-BC65687  Adiantum jordanii Mary P. Wells 1984-7-20 376 Sonoma The Hot Spot, The Sea Ranch Comment
  CAS-BOT-BC9074  Aegilops triuncialis Thomas C. Fuller 1960-6-14 4485 Sonoma James Black property, River Road, ca. 6 mi. E/Cloverdale Comment
  CAS-BOT-BC29576  Agoseris apargioides var. eastwoodiae Rimo Bacigalupi 1928-6-18 1877 Sonoma At mouth of Salmon Creek, 2 miles south of Bodega Bay Comment
  UCD159446  Agoseris apargioides var. eastwoodiae D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 203 Sonoma Bodega head. Sonoma coast state beach. Cliff overlooking sea. Abundant. 20 Comment
  UC76011  Agoseris grandiflora var. grandiflora Milo S. Baker 1898-5-7 Sonoma Glen Ellen Comment
  CAS-BOT-BC22788  Agoseris heterophylla G. DeNevers 1981-4-25 829 Sonoma Pepperwood Ranch, lower Pepperwood entrance Comment
  JEPS128199  Agoseris heterophylla Roger Raiche 2000-5-4 069 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET7067262  Agoseris heterophylla A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  SEINET7096764  Agoseris heterophylla A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley NAD27, 38? deg. 24' 31ao, -122?_ 37' 52ao (converted to WGS84 decimal degrees) UTM Zone 10, 532220mE, 4251005mN. Comment
  JEPS36308  Agoseris hirsuta W. L. Jepson 1896-6-2 Sonoma Bodega Bay Comment
  POM180621  Agoseris hirsuta J. T. Howell 1930-6-8 5268 Sonoma North end of Bodega Bay. Comment
  NY7042  Agoseris maritima A. Eastwood s.n. Sonoma Bodega Point. Comment
  UC29384  Agoseris retrorsa H. N. Bolander 1864-1 3956 Sonoma at Geysers Comment
  UCD161266  Agoseris retrorsa James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3710 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC166695  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC166700  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC210018  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  UC1100113  Agrostis alba Herbert L. Mason 1946-7-4 12888 Sonoma between Santa Rosa and Forestville Forestville (Pitkin Marsh); Pitkin Marsh Comment
  UCR152276  Agrostis ampla Beecher Crampton 1959-6-16 5391 Sonoma 2 mi east of Occidental, Jonive School Area Comment
  UCD51834  Agrostis blasdalei Freed W. Hoffman 1943-5-16 2208 Sonoma Death Rock, Bodega Park, Sonoma Coast. Comment
  UCD51841  Agrostis blasdalei Beecher Crampton 1957-7-22 4366 Sonoma above Fisherman's Bay, 0.3 mile south of Stewart's Point. Comment
  UCR119036  Agrostis clivicola Beecher Crampton 1957-7-11 4336 Sonoma Central Coast, 1.7 miles north of Salmon Creek, Sonoma Coast State Park along State Highway 1 30 Comment
  UCD37156  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51975  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD52003  Agrostis densiflora Beecher Crampton 1957-7-11 4343 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  UCD52010  Agrostis densiflora Beecher Crampton 1957-7-22 4360 Sonoma 5.3 miles north of Stewart's Point, State Hwy. 1. Comment
  CAS-BOT-BC361400  Agrostis elliottiana Greg de Nevers 1993-5-6 10437 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Weimar Flat 457 Comment
  CAS-BOT-BC126974  Agrostis exarata Peter Rubtzoff 1951-8-18 622 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  UCD32829  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/4 mile east of Geyser Resort area, Big Sulfer Creek. Comment
  UCD52539  Agrostis exarata Beecher Crampton 1957-7-11 4298 Sonoma Along State Hwy. 1, 1.4 miles SW of Bodega Bay. Comment
  UC576270  Agrostis hallii H. S. Yates 1936-5-16 5582 Sonoma one mi ne Graton; Sebastopol Quad. 30 Comment
  UCD52554  Agrostis hallii var. pringlei P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified forest road. 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
  UC1112778  Agrostis microphylla Leo Whitney 1935-4-14 2258 b Sonoma near Occidental (Blunden's Pasture); Blunden's Pasture Comment
  UCD53051  Agrostis microphylla Freed W. Hoffman 1944-5-30 2013 Sonoma Russian River, Guernewood Park. Comment
  UCD53053  Agrostis microphylla Freed W. Hoffman 1941-6-20 2088 Sonoma Dutch Hill Creek. Comment
  CAS-BOT-BC138917  Agrostis pallens G. DeNevers 1981-6-15 1519 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. Comment
  UCD53151  Agrostis pallens R. Tofsrud 1951-6-1 s.n. Sonoma summit of Oakville to Kenwood road. Comment
  CAS-BOT-BC138596  Agrostis stolonifera Peter Rubtzoff 1951-7-8 388 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UCD53596  Agrostis stolonifera Peter Rubtzoff 1951-7-21 508 Sonoma Between the Upper and the Lower marshes, near Forestville. Comment
  UC50680  Aira Michener and Bioletti May 1892 Sonoma S. Los Guilicos Comment
  RSA785372  Aira caryophyllea Peter Rubtzoff 1974-5-18 7438 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC257361  Alisma Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD137911  Alisma lanceolatum Ellen Dean 2006-6-28 3179 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  UCR279634  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville 13 Comment
  CAS-BOT-BC445331  Alisma lanceolatum Peter Rubtzoff 1963-7-14 5200 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445466  Alisma triviale Peter Rubtzoff 1958-7-5 3741 Sonoma Atascadero Creek Marsh. Comment
  RSA216160  Alisma triviale Peter Rubtzoff 1954-6-20 1510 Sonoma Guerneville Marsh Comment
  UC119966  Allium amplectens Michener and Bioletti 1897-5-8 2052 a Sonoma Hood's Peak Comment
  CAS-BOT-BC462386  Allium amplectens Peter Rubtzoff 1963-6-18 5182 Sonoma Bennett Mtn. Lake; Sonoma County Marshes Comment
  HSC2927  Allium amplectens Beecher Crampton 1966-5-10 7731 Sonoma 6.5 mi. N of Sonoma, Hwy. 12 Comment
  SD56754  Allium dichlamydeum Darley F. Howe 1963-7-2 3716 Sonoma 4.2 miles north of junction with #12 on #1. On sea bluff. Comment
  CAS-BOT-BC472797  Allium neapolitanum Nina Boyle 1941-3-1 s.n. Sonoma Rio Nido Comment
  CAS-BOT-BC474309  Allium unifolium Mark Okada 1975-5-25 s.n. Sonoma Springs Rd Comment
  SEINET11998402  Allotropa virgata Unknown 1986-1 60135 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 366 Comment
  CAS-BOT-BC169652  Alnus rhombifolia Walter Knight; Irja Knight 1963-10-27 438 Sonoma Stream bank on Spring Mt. road Comment
  CAS-BOT-BC169655  Alnus rhombifolia Peter Rubtzoff 1960-6-9 4488 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC169364  Alnus rubra Peter Rubtzoff 1959-9-12 4261 Sonoma Willows Creek Marsh, growing along Willow Creek Comment
  SJSU6045  Alopecurus aequalis C. W. Sharsmith 1972-6-24 7799 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  RSA129282  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5619 Sonoma Near Green Valley school. 91 Comment
  UCD165776  Amaranthus Peter Rubtzoff 1973-8-29 7284 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCR5546  Ambrosia chamissonis Frank C. Vasek 1966-7-16 660716- 01 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  UC12070  Amelanchier utahensis Jepson 1893-5-5 Sonoma Mt. St. Helena Comment
  UCD127158  Ammi majus K. Esau 1935-7-19 s.n. Sonoma Near Petaluma. Comment
  UC1011025  Ammophila arenaria Virginia Bufford 1936-8-9 411 Sonoma at mouth of Salmon Creek Salmon Creek Comment
  CAS-BOT-BC180632  Amorpha californica var. californica M. K. Curran 1886-6-6 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC177225  Amorpha californica var. napensis Rimo Bacigalupi 1927-9-3 1799 Sonoma 2 miles northwest of Cazadero on road to Seaview Comment
  CAS-BOT-BC177230  Amorpha californica var. napensis Walter Knight; Irja Knight 1963-9-15 384 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC177235  Amorpha californica var. napensis H. E. McMinn 1922-6-7 184 Sonoma Near Summit of grade out of Monte Rio to Guerneville Comment
  CAS-BOT-BC177232  Amorpha californica var. napensis W. P. Vestal; A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor Comment
  RSA0089717  Amsinckia intermedia L. S. Rose 1952-4-18 62027 Sonoma Petaluma. 6 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
  SEINET7067241  Amsinckia lycopsoides A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  SBBG21166  Amsinckia spectabilis V. Haraden 1941-7-13 5 Sonoma Bodega Bay 15 Comment
  UC1084539  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 n Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  UC1084548  Amsinckia spectabilis Peter Kamb 1952-5-30 2300 Sonoma n of Bodega Head (dunes between Bodega Harbor and the ocean) 6 Comment
  POM44461  Anagallis arvensis Janet Beckman 1882-7-17 s.n. Sonoma Duncans Wills. Comment
  SEINET11993493  Anagallis arvensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -172 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 Comment
  UCD117429  Anagallis arvensis Jennifer Bury; Peggy Herzog 1993-5-8 297 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. On Bald Mountain Stem Trail. 371 Comment
  UCD117554  Anagallis arvensis C. Wistrom 1996-4-6 20 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UC36576  Ancistrocarphus filagineus Edw. L. Greene 1892-4-30 Sonoma Mt. St. Helena Comment
  UC1146605  Andropogon glomeratus var. pumilus Freed W. Hoffman 1942-6-13 2046 Sonoma around Hot Springs the Geysers; North Coast Ranges, , the Geysers Comment
  HSC71481  Angelica californica J. M. DiTomaso 1980-6-13 1596 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  RSA22250  Angelica californica Alice Eastwood, John Thomas Howell 1938-7-6 6084 Sonoma Alder Glen Springs Comment
  UC891451  Anisocarpus madioides A. A. Heller 1902-6-26 5769 Sonoma along Sonoma creek, at the foot of Mt. Hood Mt. Hood Comment
  CAS-BOT-BC137766  Anthoxanthum aristatum G. DeNevers 1982-5-2 1971 Sonoma Pepperwood Ranch. Along manzanita trail just before the tunnel. Comment
  UC978118  Anthoxanthum aristatum L. Beane and Lois E. James 1949-5-11 1942 Sonoma about halfway between Healdsburg and Windsor Comment
  CAS-BOT-BC488329  Anthoxanthum aristatum subsp. aristatum Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 Comment
  UCD85329  Anthoxanthum occidentale Collector Unknown 1941-3-1 s.n. Sonoma Garden in S. R. (Bud's) Comment
  CAS-BOT-BC137688  Anthoxanthum odoratum Peter Rubtzoff 1960-5-16 4348 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  CAS-BOT-BC137691  Anthoxanthum odoratum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 miles east of Stewarts Point. Comment
  UCD151205  Anthoxanthum odoratum James A. Neilson Jr. 1974-7-10 2819 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  UCD36687  Anthoxanthum odoratum Beecher Crampton 1955-6-17 2940 Sonoma Sonoma County, 0.5 mile north of Guerneville, along Fife Creek. Comment
  UCD56240  Anthoxanthum odoratum Chris Bowen 1974-5-18 118 Sonoma near State Highway 1, Sea Ranch, Unit 7 Owners' Map, near Whalers' Reach. Comment
  JEPS83374  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma e side Fitch Mt. (just s of resort area on e side, Healdsburg); Healdsburg, Healdsburg Quad. (7.5', 1955) 45 Comment
  UC717979  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David D. Keck 1944-7-11 5510 Sonoma s bank The Geysers; Mayacamas Range Comment
  CDA41216  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum T. C. Fuller 1958-5-24 4015 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  JEPS11931  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Francis W. Pennell Jul 2 1940-Jul 3 1940 26038 Sonoma ne of Kenwood Springs 304 Comment
  POM14616  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum A. A. Heller 1902-6-28 5788 Sonoma Between Knight's Valley and Mark West Springs. Comment
  CAS-BOT-BC394991  Aquilegia formosa Peter Rubtzoff 1952-6-13 1254 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC395018  Aquilegia formosa Ella Dales Cantelow 1939-4-10 2601 Sonoma 2.3 mi s. of Stewarts Point Comment
  SJSU8313  Arabis blepharophylla D. N. Glover 1974-2-24 Sonoma 1 mi E of junction of Valley Ford & Freestone Rds, 2 mi W of Bodega 76 Comment
  LA210044  Arabis glabra var. glabra W. B. C. after Rollins; 1930-6-8 5291 Sonoma 8.5 mi. N of Bodega Bay Comment
  CAS-BOT-BC171645  Aralia californica Greg de Nevers 8239 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCSB40579  Aralia californica Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on Highway 1 in small Redwood Canyon Comment
  UC1084439  Arbutus menziesii G. Thomas Robbins 1940-3-21 299 Sonoma 5-6 mi e of Windsor (along Chalk Hill Road); Chalk Hill Road 91 Comment
  UCD168049  Arceuthobium campylopodum James Neilson 1981-7-1 4044 Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  CHSC69209  Arctostaphylos James D. Jokerst 1989-4-14 3097 Sonoma Healdsburg Area A Specific Plan Study, in project area. Comment
  UC549554  Arctostaphylos J. E. Adams 1934-3-28 718 Sonoma near Santa Rosa; Vine Hill Comment
  UC909870  Arctostaphylos J. E. Adams 1934-3-28 720 Sonoma near Santa Rosa; Vine Hill School Comment
  UC1388323  Arctostaphylos X candidissima Freed W. Hoffman 1947-9-29 505 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  CAS-BOT-BC24088  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10953 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC24090  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10957 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC25324  Arctostaphylos bakeri Walter Knight; Irja Knight; J. Sigg; Elizabeth McClintock 1981-3-25 4030 Sonoma From the Occidental area Comment
  UC1120872  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1557 Sonoma 2 mi nne Occidental; Sebastopol Quadrangle Comment
  UC1614275  Arctostaphylos bakeri Charles M. Belshaw 1936-3-7 1556 Sonoma 2 mi nne of Occidental Comment
  UCD50405  Arctostaphylos bakeri Freed W. Hoffman 1948-4-1 2753 Sonoma Dutch Bill Creek near Camp Meeker. Comment
  RSA339386  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1985-9-29 RR 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill 121 Comment
  RSA622721  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24770 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC23968  Arctostaphylos canescens subsp. canescens Milo S. Baker Fall 1936 8622 Sonoma Rutherford - Glen Ellen road halfway to summit Comment
  LA88623  Arctostaphylos canescens subsp. sonomensis Robert F. Thorne; 1965-4-20 34387 Sonoma Rincon Ridge, Robert Sone's place on Rock Ridge Lane - Montecito Ave. Santa Rosa 106 Comment
  RSA18973  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC1120079  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi se County Farm; Santa Rosa Quadrangle, Rincon Ridge 152 Comment
  UC1309673  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi se County Farm; Santa Rosa Quadrangle, Ricon Ridge 152 Comment
  UC424810  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1930-2-21 3877 a Sonoma Rincon Ridge; ; Riveon Ridge Comment
  UC549707  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1022 Sonoma e Sta. Rosa; Rincon Ridge Comment
  CAS-BOT-BC23644  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth; Milam 1965-4-13 497 Sonoma .1 mile north of Timber Cove, eat of State Highway 1. Comment
  POM202851  Arctostaphylos columbiana J. T. Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point. Comment
  CAS-BOT-BC25015  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality. Comment
  RSA164632  Arctostaphylos densiflora Percy C. Everett 1963-11-21 24564 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  UC518978  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma 10 mi w Santa Rosa (along road); Vine Hill Schoolhouse Comment
  SEINET11993024  Arctostaphylos glandulosa W. Knight, Knight, I.; Edwards, S. W. 1985-1 5170 Sonoma 5.1 mi W on Kelly Rd from Rockpile Rd junction, S of Mt. Tom 610 Comment
  SEINET11998613  Arctostaphylos glandulosa W. Knight, Knight, I.; Wells, P. V. 1985-1 6344 Sonoma N side Guerneville Hwy between Laguna & Vine Hill roads Comment
  SEINET11991023  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1983-1 4700 Sonoma Trinity Grade 270 Comment
  CAS-BOT-BC23280  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1963-8-23 408 Sonoma Joost Ranch, Calistoga Rd. Comment
  UC1120213  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1575 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Ricon Ridge Comment
  UC1120216  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1572 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC876408  Arctostaphylos glandulosa subsp. glandulosa Milo S. Baker Mar 1930 7332 Sonoma College Ave. Hwy Vine Hill Region Comment
  RSA364257  Arctostaphylos hispidula Roger Raiche 1984-2-3 40016 Sonoma Rockpile Road, 9.1 miles north from its intersection and beginning at Skaggs Springs-Stewarts Point Road 502 Comment
  RSA633064  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24710 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  SEINET2028701 Image available Arctostaphylos manzanita H. F. Copeland 1933-3-18 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  SEINET11987219  Arctostaphylos manzanita W. Knight, Knight, I. 1980-1 3857 Sonoma S end of Vine Hill Rd (E side) near Graton Comment
  SEINET11989192  Arctostaphylos manzanita S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge N of Cazadero, NW of King Ridge Road at source of Big Austin Creek Comment
  SEINET11990964  Arctostaphylos manzanita Unknown 1983-1 30499 H Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11993017  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. W. 1985-1 5171 Sonoma couple of mi down Kelly Road W of Rockpile Road junction 488 Comment
  SEINET11998357  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. 1987-1 6336 Sonoma Pepperwood, Devil's Kitchen area 229 Comment
  UC84708  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1902-9-9 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38651  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10949 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC38652  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5779 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38653  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5776 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38687  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5762 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC38691  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Dry, open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38700  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 10 Sonoma Vine Hill region, west of Santa Rosa Comment
  CAS-BOT-BC38725  Arctostaphylos manzanita subsp. manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1073 Sonoma .2 mile along Wine Creek Road from west Dry Creek Road, near Healdsburg Comment
  UC1121476  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 832 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1388362  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-2-28 766 Sonoma near Healdsburg (creek is a branch of Mill Creek); North Coast Ranges, Wild Hog Ridge, headwaters of Palmer Cre 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-BC38692  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-2-16 805 Sonoma Sonoma Mt. Rod. near Enterprise Rd. 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-BC43880  Arctostaphylos stanfordiana John Thomas Howell 1933-4-2 10951 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC47334  Arctostaphylos stanfordiana Alice Eastwood 1915-6-5 4558 Sonoma Petrified Forest. Comment
  CAS-BOT-BC47345  Arctostaphylos stanfordiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast Mountains near Kachia Rancheria about 5 mi. e of Stewarts Point. Comment
  CDA11229  Arctostaphylos stanfordiana G. F. Hrusa 1989-1-1 5798 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. up Cavedale Rd. from Hwy 12 near Kenwood. Comment
  CDA12038  Arctostaphylos stanfordiana G. F. Hrusa 1990-1-2 7351 Sonoma North Coast Biodiversity Arena; NW slopes of Hogback Mtn. approx. 4 km. NE of Sonoma. Comment
  JEPS85898  Arctostaphylos stanfordiana Jack and Betty Guggolz 1991-7-29 1222 Sonoma along ridgetop about 1/4 mi w old abandoned homesite about 1 1/4 mi. NNW of Camp Meeker 164 Comment
  OBI14515  Arctostaphylos stanfordiana Robert F. Hoover 1963-1-12 8547 Sonoma Cavedale rd, Hoods Peak Range Comment
  RSA636805  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24756 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC424812  Arctostaphylos stanfordiana Milo S. Baker 1930-2-21 3878 a Sonoma Rincon Ridge Comment
  UC535020  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  UC674756  Arctostaphylos stanfordiana E. A. Goldman 1907-12-29 Sonoma se slope Mt. St. Helena 1066 Comment
  UCD53848  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 687 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  SEINET11994912  Arctostaphylos stanfordiana W. Knight, Knight, I. 1987-1 6081 Sonoma Devil's Kitchen in vicinity of Pepperwood Preserve 244 Comment
  POM367459  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA17680  Arctostaphylos stanfordiana subsp. stanfordiana Elmer I. Applegate 1924-3-25 8858 Sonoma Pine Flat region, west slope of Mayacama Mountains. Comment
  SBBG34139  Arctostaphylos stanfordiana subsp. stanfordiana R. Gankin 1966-3-3 691 Sonoma S of Hooker Cyn at a point directly opposite Cyn from Cavedale Rd, 3.1 mi E of jct with St Hwy 12 Comment
  UC549531  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 747 Sonoma 1 mi s McNamees Store Comment
  UC549533  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 826 Sonoma 1 mi s McNamees Store Comment
  UCD59419  Arctostaphylos uva-ursi Walter and Irja Knight 1984-3-21 5215 Sonoma On a terrace overlooking creek inlet at Stump Beach, Salt Point State Park. Comment
  HSC100101  Arctostaphylos viscida J. P. Smith, & J. O. Sawyer 2010-4-26 12720 Sonoma 641 Comment
  RSA8490  Arctostaphylos viscida subsp. pulchella J. T. Howell 1933-4-2 10939 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC47471  Arctostaphylos viscida subsp. viscida C. H. M. 1907-7-27 s.n. Sonoma Mt. St. Helena, Calif. Near summit 1st ridge on road from Middletown to Knight's Valley. 731 Comment
  SEINET11845326  Arctotheca calendula W. Knight, Knight, I. 1990-1 6588 Sonoma Petaluma, Lynch Creek Drive Comment
  RSA302214  Aristolochia californica Jim Shevock 1971-1-30 626 Sonoma Along Russian River Comment
  UC1084356  Aristolochia californica G. Thomas Robbins 1937-3-25 15 Sonoma Santa Rosa Creek just e. of Santa Rosa on hwy. to Sonoma Comment
  UCSB50184  Armeria maritima subsp. californica Gray, John 1976-5-1 Sonoma On North Salmon Creek Beach near Highway 1; T 6N, R 11W 18 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
  SEINET7249680 Image available Armeria maritima var. californica Michelle Yeargan 1973-1 Y 080 Sonoma Bluff on coast, 1 mile south of Stewart's Point Comment
  CAS-BOT-BC82566  Arnica discoidea Alice Eastwood; John Thomas Howell 1939-6-11 7410 Sonoma Near [Triniti] Trinity P.O., Hood Mt. Range Comment
  CAS-BOT-BC172574  Artemisia Peter Rubtzoff 1951-9-3 732 Sonoma Vacation Beach, near Guerneville. Comment
  SD41469  Artemisia douglasiana Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay Comment
  CAS-BOT-BC499175  Artemisia douglasiana Peter Rubtzoff 1986-9-28 9752 Sonoma Russian River at Forest Hills, 5.5 mi E of Guerneville Comment
  UCD148333  Artemisia douglasiana Peter Rubtzoff 1954-9-6 1743 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC90862  Artemisia pycnocephala Alice Eastwood 1915-6-29 4801 Sonoma Bodega Point Comment
  CAS-BOT-BC90863  Artemisia pycnocephala D. E. Breedlove 1961-12-31 1438 Sonoma Sand dunes at mouth of Russian River 3 Comment
  SEINET258290  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10236 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  SEINET258297  Artemisia suksdorfii Leila M. Shultz 1986-9-20 10234 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  UC628481  Artemisia suksdorfii J. Clausen 1939-7-20 1715 Sonoma along road just n Jenner (towards Fort Ross) Comment
  RSA0057977  Arum italicum Greg de Nevers 1998-5-20 11254 Sonoma Mark West Creek on Cresta Ranch. Comment
  RSA224317  Asparagus officinalis Peter Rubtzoff 1961-8-26 4726 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  RSA39633  Aster chilensis Philip A. Munz 1947-10-10 12216 Sonoma 2 miles west of Duncan Mills Comment
  CAS-BOT-BC180467  Astragalus breweri A. A. Heller; H. E. Brown 1902-4-4 s.n. Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC186819  Astragalus gambelianus G. DeNevers 1981-4-20 773 Sonoma Pippindale farm. On bench between Studio and the ridge top Comment
  CAS-BOT-BC193345  Astragalus tener var. tener J. W. Congdon 1880-3-1 s.n. Sonoma Petaluma Comment
  UCD136295  Athyrium filix-femina var. cyclosorum Frederica Bowcutt 1984-6-24 468 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Southend of Gerstle Cove along creek. Just south of picnic area and parking for Environmental campsite #4. 30 Comment
  CHSC57353  Athysanus pusillus Shelly A. Kirn 1991-3-28 8 Sonoma Ca. 100 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  SEINET3148002  Athysanus pusillus M. S. Baker 1898-3-26 733 Sonoma Hills near McDonald Reservoir Comment
  UCR248508  Atriplex prostrata Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) 20 Comment
  CAS-BOT-BC146138  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  LA11004  Avena barbata Nesta Dunn; 1932-5-15 sn Sonoma Santa Rosa Comment
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Dec 29 2014
  UCD56210  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma Along U.S. Hwy. 101. Italian-Swiss Colony Winery Grape Vineyard area. Asti. Comment
  UC1103326  Avena fatua Joseph P. Tracy 1933-5-1 12131 Sonoma Knight's Valley Northern Coast Ranges 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
  CAS-BOT-BC68339  Azolla filiculoides Peter Rubtzoff 1962-10-9 5113 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC99594  Baccharis pilularis Peter Rubtzoff 1951-11-24 846 Sonoma open area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  POM213044  Baccharis pilularis C. B. Wolf 1934-10-13 6181 Sonoma 2 2/5 miles north of mouth of Russian River. 61 Comment
  SEINET11839688  Baccharis pilularis subsp. consanguinea W. Knight, Knight, I. 1981-1 3966 Sonoma 2.3 mi up Cavedale Rd from jct of CA 12 Comment
  HSC2223  Baccharis pilularis subsp. pilularis C. B. Wolf, E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 miles N of mouth of Russian River Comment
  HSC5129  Baccharis salicifolia Greg Bos 1963-5-5 82 Sonoma Pina Creek, out of Healdsburg 91 Comment
  CAS-BOT-BC173596  Barbarea Peter Rubtzoff 1989-4-20 9989 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC173600  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  RSA0022354  Beckmannia Peter Rubtzoff 1970-6-14 6263 Sonoma On River Road about 3 miles W of Fulton. Comment
  CAS-BOT-BC145827  Beckmannia syzigachne Peter Rubtzoff 1960-6-25 4513 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville roads. Comment
  CAS-BOT-BC145837  Beckmannia syzigachne Peter Rubtzoff 1958-7-5 3740 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC145844  Beckmannia syzigachne Peter Rubtzoff 1958-5-10 3645 Sonoma Laguna de Santa Rosa east of Cunningham near Llano Road. Comment
  POM206249  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, southeast of Santa Rosa. Comment
  RSA13556  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  UC535120  Beckmannia syzigachne Mrs. H. P. Bracelin 1930-7-27 20 Sonoma 1 mi n Fort Ross Comment
  SEINET10514183  Beckmannia syzigachne A. Arthur Heller 1902-6-27 Heller 5780 Sonoma West Windsor near Russian River. Comment
  SEINET7596631 Image available Beckmannia syzigachne Mrs. H. P. Bracelin 1930-1 20 Sonoma 1 mi. N of Fort Ross Comment
  SBBG68672  Bellardia trixago S. W. Hutchinson -Apr-1927 Sonoma Petaluma 5 Comment
  JEPS97534  Bellis perennis R. D. Stone 1980-11-30 330 Sonoma near landing strip and fire station at Sea ranch Annapolis Rd.; Sea Ranch 91 Comment
  UCR143598  Bellis perennis G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC102005  Bidens frondosa John Thomas Howell 1946-8-17 22849 Sonoma The Laguna north of Sebastopol Comment
  UCR248951  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  UCR250392  Bidens laevis Peter Rubtzoff 1958-9-27 4015 Sonoma Laguna de Santa Rosa, northeast of Graton, 0.5 mi north of Guerneville Road 20 Comment
  CAS-BOT-BC290576  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC100254  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field southwest of Sonoma. Type locality. Comment
  JEPS3027  Blennosperma bakeri Milo S. Baker 1952-4-20 12401 Sonoma western outskirts of Sonoma, along 5th st betw. Bellencourt and McArthur Comment
  JEPS37925  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8924 Sonoma s of, e of Arnold Dr, .7 mi n of junction of Arnold Dr with State Hwy 37 Sonoma Comment
  CAS-BOT-BC100248  Blennosperma bakeri Lewis S. Rose 1949-3-27 49015 Sonoma Type locality. Western outskirts of Sonoma in hog wallow about 0.25 mile south of Napa St. Comment
  CAS-BOT-BC27855  Blennosperma bakeri Milo Samuel Baker 1946-4-2 11307 Sonoma Hog Wallow, in field on E side of street, 0.25 mile S of Napa Street, western outskirts of Sonoma Comment
  RSA0000974  Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma Western outskirts of Sonoma. Comment
  SEINET10826437  Blennosperma bakeri Milo S. Baker 1946-1 Sonoma Comment
  RSA128567  Blennosperma nanum Peter H. Raven 1954-2-27 6421 Sonoma Cavedale Road, ca. 3 miles north of Boyes Springs, Sonoma Valley. Comment
  CAS-BOT-BC478115  Boisduvalia Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5. miles east of Guerneville Comment
  RSA790864  Boisduvalia Peter Rubtzoff 1970-5-30 6247 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC154958  Boisduvalia densiflora Peter Rubtzoff 1958-8-23 3920 Sonoma Laguna de Santa Rosa, E of Cunningham (near Llano Road) Comment
  CAS-BOT-BC154970  Boisduvalia densiflora Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154975  Boisduvalia densiflora Peter Rubtzoff 1962-7-6 4975 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  RSA790867  Boisduvalia densiflora Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove, on Lichan Road 427 Comment
  CAS-BOT-BC154972  Boisduvalia glabella Peter Rubtzoff 1963-7-27 5212 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC28225  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-31 3684 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  UC56353  Bolboschoenus maritimus J. Burtt Davy 1897-9-19 4055 Sonoma Petaluma. Comment
  CAS-BOT-BC7639  Bolboschoenus maritimus Verne Grant; Herbert L. Mason 1946-8-28 13077 Sonoma Mouth of Tolay Creek. Comment
  UCR249042  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1972-8-26 6859 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UC903746  Bolboschoenus robustus Milo S. Baker 1946-7-28 11541 Sonoma On Sear's Point Highway. Comment
  UC728870  Botrychium multifidum W. H. Wagner 1946-5-19 4332 Sonoma Pitkin Marshes Comment
  CHSC91605  Boykinia occidentalis G. F. Hrusa; R. Gross, D. Gross 2003-11-11 16200 Sonoma North Coast Biodiversity Arena. Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UC420466  Boykinia occidentalis Katharine Brandegee June 1905 Sonoma Burbanks Garden Comment
  CAS-BOT-BC145447  Brachypodium distachyon G. DeNevers 1981-9-12 1853 Sonoma Pepperwood Ranch. In Leslie Creek, near confluence with Mark West Creek. Comment
  CDA31298  Brachypodium distachyon D. G. Kelch, Ed Biffin 2010-5-3 10 .213 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. 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-BC238186  Brassica napus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, across from entrance to the marine facility, along roadside 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
  JEPS45817  Briza maxima Eleanor Armstrong 1932-5-16 154 Sonoma 2 mi southeast of Camp Meeker on ridge 106 Comment
  UC565401  Briza maxima G. Thomas Robbins 1937-6-5 223 Sonoma about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  UCD36535  Briza maxima Beecher Crampton 1954-4-26 1792 Sonoma Sonoma County, 2 miles north Geyserville, along U.S. Highway 101. Comment
  UCD57155  Briza maxima B. Crampton 1954-4-26 1790 Sonoma Hwy. 128. About 9 miles SE Geyserville. Comment
  SEINET3128635  Briza maxima M. A. King 1897-1 sn Sonoma Near Healdsburg Comment
  UCD57132  Briza maxima Chris Chan 1991-3-5 5 Sonoma Bay Hill Road. 182 Comment
  CAS-BOT-BC145294  Briza minor G. DeNevers 1981-5-30 1379 Sonoma Pepperwood Ranch. On the shore of the Pippindale Pond, above the high water mark. Comment
  UC1026486  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Lower Marsh Pitkin Marsh (northern half, near Forestville) Comment
  CAS-BOT-BC132211  Brodiaea californica var. leptandra R. F. Hoover 1938-6-14 3604 Sonoma 2 mi. se. of Healdsburg Comment
  JEPS74716  Brodiaea elegans subsp. elegans Eleanor Armstrong 1932-5-26 480 Sonoma 1 1/2 mi e Camp Meeker 121 Comment
  CAS-BOT-BC486532  Brodiaea elegans subsp. elegans Peter Rubtzoff 1962-6-8 4884 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC486535  Brodiaea elegans subsp. elegans Peter Rubtzoff 1952-6-10 1226 Sonoma Top of Fitch Mountain, near Healdsburg 304 Comment
  UC72287  Brodiaea elegans subsp. elegans Milo S. Baker 1904-6-19 Sonoma above Maple Glen; Sonoma Creek Canyon Comment
  JEPS74720  Brodiaea leptandra W. L. Jepson 1923-6-28 10006 Sonoma Kenwood Sonoma Canyon 243 Comment
  CAS-BOT-BC486522  Brodiaea stellaris Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC486525  Brodiaea stellaris anonymous 1922-6-1 s.n. Sonoma Collected in Burbank's Garden (Santa Rosa) Comment
  SEINET6165246 Image available Brodiaea stellaris Unknown 1983-5-24 s.n. Sonoma By gate N. of alump. Occidental Comment
  UCD139140  Brodiaea terrestris Mary M. Hektner; Cathy Hendel 1974-6-28 82 -A Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD57972  Bromus carinatus P. B. Kennedy 1915-6-1 s.n. Sonoma Northern Sonoma County. Del Mar. Comment
  UCD58250  Bromus carinatus Collector unknown 1941-4-1 Sonoma Santa Rosa. Franklin Ave. Comment
  UCD58258  Bromus carinatus Collector unknown 1941-6-1 Sonoma Santa Rosa. Veteran's Park. Comment
  UC1010991  Bromus carinatus var. maritimus Virginia Bufford 1936-5-1 170 Sonoma Bodega Canyon at Larkspur Rock Larkspur Rock; Bodega Canyon, Larkspur Rock Comment
  CAS-BOT-BC155851  Bromus catharticus var. elatus Peter Rubtzoff 1962-5-5 4804 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC155893  Bromus catharticus var. elatus David L. Morgan 1961-5-14 s.n. Sonoma 1 mile east of Cotati on Cotati Avenue. Comment
  JEPS14961  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 mi sw of Healdsburg 152 Comment
  CAS-BOT-BC155657  Bromus diandrus Mary P. Wells 1984-5-30 317 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  CAS-BOT-BC155660  Bromus diandrus G. DeNevers 1981-5-15 1163 Sonoma Pepperwood Ranch. North arm of Garrison Canyon. Comment
  CAS-BOT-BC155662  Bromus diandrus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6228 Sonoma Tood Road Preserve. 24 Comment
  CAS-BOT-BC155665  Bromus diandrus Peter Rubtzoff 1952-5-10 1021 Sonoma Pitkin Marsh near Forestville. Bordering the Upper Marsh in the east. Comment
  CAS-BOT-BC155216  Bromus hordeaceus Mary P. Wells 1984-5-7 262 Sonoma Rincon Valley, Santa Rosa. Friend's House grounds before final grading. Comment
  CAS-BOT-BC155250  Bromus hordeaceus John H. Thomas 1966-5-8 11596 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  UCD58689  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti. Comment
  CAS-BOT-BC155243  Bromus hordeaceus David L. Morgan 1956-4-5 s.n. Sonoma Petaluma. Mountain View Avenue. Comment
  SEINET3923003  Bromus japonicus Fred W. Hoffman 1941-7-5 2079 Sonoma Forestville, CA.; 0 Comment
  SBBG22698  Bromus laevipes M. S. Walters 1960-6-12 Sonoma vicinity of Monte Rio on St Hwy 12 Comment
  UCD58888  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma 3 miles WNW of Graton. 60 Comment
  UCD58951  Bromus laevipes Gerry North 1993-4 20 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. Second pullout on right after park entrance. 0.3 miles from Goodspeed trailhead. 50 m south of Pony Gate Gulch Creek crossing. 274 Comment
  UCD58934  Bromus laevipes David L. Morgan 1956-6-9 s.n. Sonoma Crane Canyon, on Bennett Valley Rd. 1 mile E of Petaluma Hill Rd. Comment
  UCD151142  Bromus madritensis subsp. rubens James A. Neilson Jr. 1973-6-7 3564 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  UCD58959  Bromus rubens subsp. rubens Gerry North 1993-4 18 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  UCD60222  Bromus tectorum Freed W. Hoffman 1942-5-11 2264 Sonoma North Coast Ranges. Headwaters of the Gualala River (The Roughs). Comment
  UC855700  Cakile maritima Milo S. Baker 1938-5-6 8978 Sonoma near Sea Cliff n of Salmon Creek Comment
  CAS-BOT-BC36909  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  SEINET3924023  Calamagrostis bolanderi Fred W. Hoffman 1943-6-20 2058 Sonoma Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  CAS-BOT-BC185121  Calamagrostis nutkaensis Mary P. Wells 1981-8-30 s.n. Sonoma Up Moonraker Road east of Highway #1, The Sea Ranch. Comment
  CLARK-A1528-4568  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma Jenner 30-60 Comment
  JEPS97537  Calamagrostis nutkaensis R. D. Stone 1980-11-29 326 Sonoma Northern part of the Sea Ranch development; N of Stewart's Point Comment
  UCD57519  Calamagrostis nutkaensis Beecher Crampton 1957-7-11 4318 Sonoma just south of Salmon Creek, along State Hwy. 1. Comment
  CAS-BOT-BC185131  Calamagrostis nutkaensis Mary P. Wells 1982-8-21 128 Sonoma South Gerstle Cove, Salt Point State Park. Comment
  JEPS96256  Calamagrostis stricta subsp. inexpansa Dean Kelch 1997-4-30 97 .16 Sonoma Bodega Head, W Sonoma County Bodega Head 15 Comment
  UCD158814  Calandrinia breweri James A. Neilson Jr. 1974-4-17 3487 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC273241  Calendula arvensis Rimo Bacigalupi 1946-2-1 s.n. Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  RSA0035354  Callitriche Peter Rubtzoff 1972-6-29 6813 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC293674  Callitriche heterophylla Peter Rubtzoff 1974-4-6 7355 Sonoma Along Lawndale Road, 0.75 miles south of Highway 12. 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
  RSA170166  Callitriche trochlearis William Hirano 1961-5-3 s.n. Sonoma Along Stony Point road, about 1 mile N of junction with Hwy 101 and about 4 miles NW of Petaluma. Comment
  UCD111677  Calochortus amabilis Christopher Mallek 2007-5-13 HC1- 8 Sonoma Hooker Canyon. 590 Comment
  UCR265242  Calochortus amabilis Ann Howald 2015-4-28 3375 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  UCR90866  Calochortus amabilis Kathy Harper, Dane Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
  CAS-BOT-BC483286  Calochortus amabilis D. E. Breedlove 1980-6-27 44757 Sonoma Pepper wood Ranch west of Knights Valley Comment
  SBBG57657  Calochortus amabilis H. E. and S. T. Parks 1930-5-9 605 Sonoma Alexander Valley Comment
  SEINET12049777  Calochortus amabilis F. H. Utech 1986-1 86 -106 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  SEINET6165529 Image available Calochortus amabilis Unknown 1981-5-18 s.n. Sonoma Franz valley rd 1/10 mile south of Franz valley school rd Comment
  UC1134443  Calochortus tolmiei H. S. Yates 1934-4-21 3795 Sonoma Near Bodega; Sebastopol Quad. 91 Comment
  CAS-BOT-BC132633  Calochortus uniflorus Barbara Keller 1990-4-30 2000 Sonoma On Coleman Valley Rd., 6 miles west of Occidental 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
  CAS-BOT-BC181539  Caltha palustris Peter Rubtzoff 1955-4-9 1768 Sonoma Forestville Marsh Comment
  UC523536  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 mi n Occidental Comment
  UC89043  Calycadenia truncata Katharine Brandegee 1892-8-1 Sonoma Petrified Forest Comment
  HSC3814  Calycanthus occidentalis M. E. Ferguson, E. Ferguson 1919-6-8 Sonoma Near Guerneville, Russian River. Comment
  CAS-BOT-BC91010  Calycanthus occidentalis A. T. Graff 1925-6-7 s.n. Sonoma Trospers. Comment
  POM320595  Calypso bulbosa Lynne Hayden 1970-4-4 67 Sonoma Armstrong Redwood State Park Russian River, Rich loam, Redwood forest Comment
  SEINET7096768  Calystegia collina subsp. collina 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
  UC353894  Calystegia collina subsp. collina Milo S. Baker 1927-5-7 2146 Sonoma Fitzsimmon's Grade , Fitzsimmon's Grade (Adobe Canyon) Comment
  JEPS87232  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-17 1298 Sonoma Found on the Anderson Trail (west side of Black Mountain, east of Geyserville (across the road from a sign that said Stop for Golf Carts) 594 Comment
  CDA36847  Calystegia occidentalis subsp. fulcrata CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SBBG5769  Calystegia purpurata H. and M. Dearing 1939-5-14 3353 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCR255740  Calystegia purpurata subsp. purpurata Greg de Nevers 1993-5-9 10440 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM203257  Calystegia soldanella J. T. Howell 1931-4-18 6419 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay. Comment
  JEPS128239  Calystegia subacaulis subsp. subacaulis Roger Raiche 2000-5-4 080 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC498779  Camassia quamash subsp. linearis Peter Rubtzoff 1957-5-11 3326 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  RSA799989  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma 4.25 mi. W. of Glen Ellen on Bennett Valley road. Comment
  CAS-BOT-BC266419  Campanula californica Peter Rubtzoff 1965-8-10 5588 Sonoma Duncans Mills Marsh, at the edge of forest bordering the lower portion of the marsh in the west Comment
  HSC6631  Capsella bursa-pastoris F. Demostene 1966-4-1 1 Sonoma 2 mi. E of Healdsburg Comment
  UCD165158  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC37773  Cardamine californica George H. Mallory 1920-3-29 s.n. Sonoma On east side of Rincon Valley 6 miles east of Santa Rosa. Comment
  UCD55142  Cardamine californica Ellen Dean; Tammie Beyerl 2006-4-28 3024 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 174 Comment
  UCR265125  Cardamine californica Ann Howald 2015-4-1 3321 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  CAS-BOT-BC37771  Cardamine californica John H. Thomas 1966-3-22 11535 Sonoma About 2.7 miles from Sebastapol toward Santa Rosa along Highway 12. Comment
  CAS-BOT-BC37772  Cardamine californica Mrs. H. C. Cantelow 1937-3-25 s.n. Sonoma Near Valley Ford. Comment
  CAS-BOT-BC38032  Cardamine oligosperma Peter Rubtzoff 1960-5-30 4428 Sonoma Vacation Beach, near Guerneville. Sandy Russian River bank. 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-BC38040  Cardamine oligosperma D. E. Breedlove 1983-4-11 58692 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  CAS-BOT-BC38031  Cardamine oligosperma Peter Rubtzoff 1959-6-20 4160 Sonoma Willow Creek Marsh. Bank of Willow Creek. Comment
  CAS-BOT-BC384863  Cardionema ramosissimum John H. Thomas 1976-6-15 18289 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SJSU7927  Cardionema ramosissimum S. H. Casey 1969-5-13 237 Sonoma seaward rim of coastal terrace, 3 mi N of Stewarts Point Comment
  CDA19871  Carduus pycnocephalus P. Lane 2002-5-14 PDR P 092606 Sonoma North Coast Ranges; King St in Petaluma. 0 Comment
  UCD164101  Carex Peter Rubtzoff; Nancy Harrison 1978-5-20 9184 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC320583  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  RSA0023067  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  SEINET7551510 Image available Carex barbarae Don Pendleton 1993-5-29 5297 Sonoma Westside Road, Russian River Valley, ca. 5 miles SW of Healdsburg. Comment
  UCR249076  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  CAS-BOT-BC18980  Carex densa John Thomas Howell; J. W. Stacey 1936-7-26 12665 Sonoma Occidental. Comment
  CAS-BOT-BC20473  Carex densa John Thomas Howell 1937-7-4 13073 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC20495  Carex densa Peter Rubtzoff 1959-5-30 4064 Sonoma Sonoma County Marshes. Freestone Marsh. Comment
  UC1586927  Carex densa Juha Pykala and D. H. Norris 1987-5-31 1303 Sonoma e Guerneville Road; Pitkin Marsh 35 Comment
  UC70609  Carex densa F. Bioletti 1893-5-22 Sonoma Glen Ellen Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  UCD112449  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh. Comment
  RSA52330  Carex exsiccata J. T. Howell 1946-8-17 22858 Sonoma The Laguna east of Sebastopol Comment
  UCR208523  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma North Coast Range, Bennet Mountain Lake Comment
  UCR249912A  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC20448  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  RSA52013  Carex globosa J. T. Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  UC728666  Carex globosa Milo S. Baker 1941-4-5 9925 Sonoma Calistoga-Franz Valley road 1/2 mi s School House (e a short distance on side of road) Comment
  CAS-BOT-BC28328  Carex gracilior John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54018 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 mi NE of Penngrove 457 Comment
  UCD112362  Carex gracilior Peter Rubtzoff 1954-6-20 1500 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC32474  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  RSA94276  Carex gracilior Peter Rubtzoff 1951-7-7 379 Sonoma Pitkin Marsh, near Forestville: Eastern branch of NE upper Marsh in partial shade on damp ground Comment
  CAS-BOT-BC249298  Carex harfordii Peter Rubtzoff 1960-5-16 4350 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC320572  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  UC1133465  Carex harfordii H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  RSA0022358  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  UCR254774  Carex laevicaulis Peter Rubtzoff 1951-9-2 724 A Sonoma Pitkin Marsh, near Forestville 47 Comment
  HSC7137  Carex lanuginosa J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  UC1026419  Carex lemmonii Peter Rubtzoff 1951-7-8 403 Sonoma near Forestville (Pitkin Marsh, lower part of the upper marsh) Comment
  SEINET7485357 Image available Carex lemmonii John Thomas Howell 1957-1 s.n. Sonoma Pitkin Marsh Comment
  HSC7141  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay swamp 2 Comment
  UC767097  Carex mendocinensis Robert F. Hoover 1941-5-14 5091 Sonoma Two miles south of Monte Rio on Road to Camp Meeker. 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
  RSA0025196  Carex obnupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCR208530  Carex ovalis Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC119283  Carex ovalis Peter Rubtzoff 1962-5-25 4845 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC119249  Carex pachystachya Lewis Samuel Rose 1962-6-1 62065 Sonoma Freestone Comment
  UC826685  Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC26247  Carex sonomensis John Thomas Howell; J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  RSA0000226  Carex sonomensis J. T. Howell, J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh. Comment
  RSA122765  Carex stipata H. S. Yates 1936-5-16 5604 Sonoma Pitkin Marsh, 2 miles southeast of Forestville. 30 Comment
  UCR248868  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC116933  Carex subbracteata Lewis Samuel Rose 1964-6-3 64052 Sonoma N end of Bodega Bay swamp 1 Comment
  UCD140870  Carex subbracteata P. G. Connors 1991-4-11 103 Sonoma Bodega Head and Dunes. Beside Lab road. BMR 0730N, 4200E Comment
  CAS-BOT-BC329286  Carex tumulicola Peter Rubtzoff 1958-5-3 3620 Sonoma Atascadero Creek Marsh. Comment
  UC2030916  Carex utriculata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC281917  Carthamus lanatus B. Crampton 1957-7-22 4356 Sonoma 15.2 miles W of Skagg's Springs on road to Stewart's Point Comment
  CDA36976  Carthamus leucocaulos J. H. Shelgren 1976-5-7 16 Sonoma Vicinity of Asti. 0 Comment
  CAS-BOT-BC251253  Caryophyllaceae Peter Rubtzoff 1987-5-3 9765 Sonoma Austin Creek, ca. 0.6 miles north of Hwy. 116 on Austin Creek Road Comment
  JEPS3864  Castilleja W. I. Follett 1937-5-9 67 Sonoma 9 mi se Bodega Bay Comment
  JEPS128272  Castilleja applegatei subsp. martinii Roger Raiche 2000-4-7 019 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128283  Castilleja applegatei subsp. martinii Roger Raiche 2005-4-22 011 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  LA209431  Castilleja densiflora H. E.; S. T. Parks 1930-5-7 632 Sonoma N end of Kinght's Valley 106 Comment
  UC65828  Castilleja densiflora subsp. densiflora A. A. Heller 1902-4-18 5307 Sonoma Windsor Comment
  SEINET7042575  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  CAS-BOT-BC241091  Castilleja uliginosa Peter Rubtzoff; L. R. Heckard 1971-6-10 6534 Sonoma Pitkin Marsh, near Forestville. Near the southern end of the upper part of the marsh Comment
  RSA700516  Castilleja wightii Noel Holmgren, James L. Reveal 1966-6-6 2650 Sonoma California 1, 2 miles south of California 116 junction. Comment
  HSC10890  Catapodium rigidum Leo Koch 1940-5-19 964 Sonoma 349 Second Ave., Santa Rosa Comment
  CAS-BOT-BC47801  Ceanothus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47802  Ceanothus John Thomas Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47803  Ceanothus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UCD168053  Ceanothus James Neilson 1978-6-9 3963 Sonoma Mayacmas Mountains, Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  CAS-BOT-BC56929  Ceanothus Walter Knight; Steve Edwards 1985-11-17 5185 Sonoma Franz Valley School Road, near old schoolhouse Comment
  CAS-BOT-BC48509  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital Comment
  JEPS81592  Ceanothus confusus R. Raiche and K. Zadnik 1982-3-27 20251 Sonoma NW of Hood Mountain (Rincon Ridge) Comment
  OBI10273  Ceanothus confusus H. E. McMinn 1941-4-27 5322 Sonoma Rincon Ridge Comment
  RSA21913  Ceanothus confusus J. T. Howell 1935-5-5 12616 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  UCD111365  Ceanothus confusus Roger Raiche 1985-11-23 RR 50894 Sonoma west of Dry Creek Valley, Bradford Mountain. 371 Comment
  CAS-BOT-BC48517  Ceanothus confusus Roger Raiche 1985-11-28 RR 50897 Sonoma w of Cloverdale, Red Mt. between Hot Springs Road & Cherry Creek Road 377 Comment
  OBI10271  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma From Olive orchard, Rincon Ridge Comment
  SEINET12211129  Ceanothus confusus Unknown 1985-1 50178 Sonoma W of Healdsburg, Dry Cr. Valley, N of Dorman Cyn 244 Comment
  CAS-BOT-BC49200  Ceanothus cuneatus J. P. Moore 1877-5-1 114 Sonoma Knight's Valley Comment
  UCD158853  Ceanothus cuneatus James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2918 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  CAS-BOT-BC49695  Ceanothus cuneatus var. ramulosus Milo S. Baker 1924-4-25 97 Loc-24 Sonoma Road to Cooper Grove Comment
  HSC39116  Ceanothus divergens Gary S. Lester 1974-2-9 65 Sonoma Annadel State Park off Lawndale Rd. 488 Comment
  RSA339399  Ceanothus divergens subsp. confusus Roger Raiche 1985-4-6 50178 Sonoma Dry Creek area near Healdsburg, ridge W of Dry Creek Valley, unamed road N of Dorman Canyon on ridge. 244 Comment
  UC1070625  Ceanothus foliosus H. S. Yates 1934-4-21 3827 Sonoma 2 mi n County Farm; Santa Rosa quad. 243 Comment
  UCD160879  Ceanothus foliosus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3283 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Whispering Pines, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 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
  SEINET13945885 Image available Ceanothus foliosus G. Thomas Robbins 1940-1 302 Sonoma along Guernerville road, Vine Hill Region, ca 8.5 mi W of Santa Rosa Comment
  JEPS128309  Ceanothus foliosus var. foliosus Roger Raiche 2000-5-21 101 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this not the name on USGS topo sheets.) Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC49907  Ceanothus foliosus var. foliosus E. Ruckert 1960-4-17 104 Sonoma Trinite Road, 1/2 mile east of Highway 12 304 Comment
  SEINET12211455  Ceanothus foliosus var. medius W. Knight, Knight, I. 1985-1 6377 Sonoma Vine Hill School Road 91 Comment
  CAS-BOT-BC49996  Ceanothus gloriosus Milo S. Baker 1935-4-1 8027 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49999  Ceanothus gloriosus Milo S. Baker 1935-4-1 8030 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50006  Ceanothus gloriosus John Thomas Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50009  Ceanothus gloriosus John Thomas Howell 1937-4-11 12908 Sonoma MS. Baker place, SW. slope of Mt. Hood Comment
  CAS-BOT-BC50017  Ceanothus gloriosus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC32738  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6694 Sonoma Vine Hill District, 9 miles W of Santa Rosa Comment
  CAS-BOT-BC49977  Ceanothus gloriosus var. gloriosus Carl B. Wolf 1927-9-2 1341 Sonoma 2 miles South of Anchor Cove Comment
  UC1280768  Ceanothus gloriosus var. gloriosus H. E. McMinn 1938-6-20 5129 Sonoma Stewarts Point to Gualala. Comment
  CAS-BOT-BC63738  Ceanothus griseus Carl B. Wolf 1941-7-30 11109 Sonoma Along coast, 3 mi. n. Jenner. Comment
  CAS-BOT-BC50044  Ceanothus incanus James McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mountain and the Geysers Comment
  CAS-BOT-BC50956  Ceanothus integerrimus Walter Knight; Irja Knight 1963-12-27 473 Sonoma Summit, Pine Flat Rd Comment
  RSA21888  Ceanothus integerrimus var. puberulus Alice Eastwood, John T. Howell 1939-4-2 7377 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  CAS-BOT-BC50648  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental 182 Comment
  POM259723  Ceanothus jepsonii Alice Eastwood, John T. Howell 1939-4-2 73377 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  RSA107840  Ceanothus jepsonii L. S. Rose 1955-3-21 55030 Sonoma 2 mi NE of Occidental 213 Comment
  SJSU10888  Ceanothus jepsonii C. S. Wallen 1965-4-13 32 Sonoma 1 mile N of Jenner Comment
  UCD112055  Ceanothus jepsonii J. Adams; J. Weick 1993-5-8 269 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  SEINET12211093  Ceanothus jepsonii var. albiflorus I. Knight, Knightwedwards, S. 1986-1 5360 Sonoma Access from Healdsburg-Geysers Road 975 Comment
  CAS-BOT-BC51891  Ceanothus parryi A. A. Heller; H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood Comment
  CAS-BOT-BC51892  Ceanothus parryi A. A. Heller; H. E. Brown 1902-4-22 5337 Sonoma Between Santa Rosa and Agua Caliente Comment
  CAS-BOT-BC51893  Ceanothus parryi J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  JEPS25143  Ceanothus parryi G. Thomas Robbins 1959-5-16 4013 Sonoma on Spring Mtn Road between Calistoga Road and Sonoma-Napa County line (along upper Mark West Creek, Mayacamas Mts.); Mayacamas Mts., along upper Mark West Creek 426 Comment
  UC334414  Ceanothus parryi unknown 1892-5-4 Sonoma near Guerneville; near Guerneville, Armstrong Park Comment
  CAS-BOT-BC51887  Ceanothus parryi Roger Raiche 1985-4-6 RR 50183 Sonoma West of Healdsburg, Dry Creek area, ridge West of Dry Creek Valley and North of Dorman Canyon (Crane Creek) 243 Comment
  CAS-BOT-BC53217  Ceanothus parryi Henry Trost 1927-4-1 s.n. Sonoma Fetters Springs Comment
  CDA31309  Ceanothus sonomensis D. G. Kelch, Ed Biffin 2010-5-3 10 .193-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD112702  Ceanothus sonomensis Roman Gankin 1966-3-3 690 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  UCD144666  Ceanothus sonomensis Frederica Bowcutt 1996-5-20 2139 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1.5 air miles WSW of Bald Mountain. Along Godspeed Trail, NW of confluence of Bear Creek and Sonoma Creek about 0.25 air miles. 304 Comment
  CAS-BOT-BC52345  Ceanothus thyrsiflorus Mary P. Wells 1985-9-13 655 Sonoma Forest no. of juncture of Timber Ridge and Longmeadow roads, the Sea Ranch Comment
  CAS-BOT-BC52398  Ceanothus velutinus Walter Knight; Irja Knight 1964-2-27 560 Sonoma Seaview Comment
  JEPS105487  Centaurea stoebe subsp. micranthos Elaine Mahaffey Sep 2003 Sonoma The Sea Ranch, Highway 1, 100-200 yards N of the Del Mar Community Center, large pull-out on ocean side of highway; extreme NW Sonoma Co. Comment
  JEPS97613  Centaurium trichanthum R. D. Stone and G. L. Clifton 1983-6-16 551 Sonoma Little Geysers; Upper Big Sulphur Creek drainage 701 Comment
  CAS-BOT-BC288807  Centromadia fitchii G. De Nevers; J. Shumate 1981-7-25 1868 Sonoma Pepperwood Ranch. W of 3 Tree Hill Comment
  CAS-BOT-BC288811  Centromadia fitchii Milo S. Baker 1930-6-1 4167 a Sonoma Foppiano's Ranch, must N of his subdivision, near Healdsburg Comment
  UC952861  Centromadia pungens subsp. pungens Milo S. Baker 1951-11-1 12386 Sonoma near Kenwood (in a field at Maplewood); Maplewood Comment
  CHSC28850  Cerastium arvense Jane A. Rogers 1979-4-15 10 Sonoma Ca. 100 ft. w of Hwy. 1, ca. 1/4 mi. n of intersection of Hwy. 1 and Bay Flat Rd. in Bodega Bay. 15 Comment
  CAS-BOT-BC384974  Cerastium arvense Roxana S. Ferris 1940-3-21 9840 Sonoma About 1/2 mi. n. of Fort Ross on State Highway #1 Comment
  CAS-BOT-BC388437  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCD158834  Cercocarpus betuloides James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2920 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 586 Comment
  HSC34882  Chamaemelum fuscatum Thomas W. Nelson, James Nelson 1975-3-25 1751 Sonoma Asti Comment
  SEINET11933366  Chenopodium berlandieri var. zschackei W. Knight, Knight, I.; Edwards, S. W. 1984-1 5042 Sonoma Willow Creek between Denman Flat and Corona Road near Petaluma Comment
  CAS-BOT-BC493400  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  CAS-BOT-BC499254  Chlorogalum pomeridianum Peter Rubtzoff 1961-10-18 4773 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CDA33645  Chondrilla juncea Robin Breckenridge & Katie Filippini 2010-7-22 PDR# 1313480 Sonoma Petaluma; Hwy 101 at Lakeville Rd./Hwy 116 exit. 0 Comment
  LA206575  Chorizanthe cuspidata var. cuspidata John Thomas Howell; 1930-6-8 5217 Sonoma N end of Bodega Bay Comment
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Feb 25 2015
  UC849179  Chorizanthe cuspidata var. villosa Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  UCD99673  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-4-6 62077 Sonoma Bodega Point. 30 Comment
  CAS-BOT-BC257024  Chorizanthe membranacea Greg de Nevers 1997-5-12 10996 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UCR255051  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  POM289615  Chrysanthemum segetum Lyman Benson 1934-8-30 6132 Sonoma Bodega Bay, Seaward N Coast Mt. Range, Pacific Ocean Watershed 30 Comment
  UCD84288  Cicendia quadrangularis Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC285251  Cichorium intybus Greg de Nevers 1992-6-26 10186 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CDA20719  Cirsium douglasii S. Ostrom 2006-7-19 PDR 1328643 Sonoma East of 5556 Pine Flat Rd., Geyserville. Comment
  CAS-BOT-BC278067  Cirsium douglasii var. breweri Milo S. Baker 1926-1-1 229 c-Local Sonoma Hood Mt 609 Comment
  CAS-BOT-BC290642  Cirsium occidentale var. occidentale Peter Rubtzoff 1960-9-14 4546 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CDA1486  Cirsium occidentale var. venustum E. P. Delfino 1960-4-11 s.n. Sonoma Cloverdale; Rust Horn Ranch, Pine Mt. Rd. 0 Comment
  POM53749  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  UC1618422  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
  CAS-BOT-BC280368  Cirsium occidentale var. venustum Walter Knight; Irja Knight 1967-7-24 1966 Sonoma St. Helena Road between Santa Rosa and St. Helena Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC285749  Cirsium remotifolium John Thomas Howell 1936-7-26 12664 Sonoma 2 1/2 miles from Camp Meeker on road to Monte Rio Comment
  UC75938  Cirsium remotifolium var. odontolepis Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  UCD158719  Cirsium vulgare James A. Neilson Jr. 1974-7-31 3025 Sonoma Mayacmas Mountains. Roadside, near Little Geysers. 822 Comment
  UCD159443  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 200 Sonoma Near Sonoma state beach hiking trail. Abundant. 41 Comment
  CAS-BOT-BC285897  Cirsium vulgare Mary P. Wells 1981-7-2 s.n. Sonoma Off end of Galleon's Reach, The Sea Ranch Comment
  SJSU704  Cirsium vulgare A. W. Jacobs 1941-7-27 Sonoma W bank, Russian River near Hilton Comment
  CAS-BOT-BC162608  Clarkia John H. Thomas 1955-5-22 5182 Sonoma Along St. Helena Road and West Creek, 1.2 miles west of Sonoma-Napa County line, about 6 miles from St. Helena 457 Comment
  CAS-BOT-BC162555  Clarkia affinis Alva Day 1982-6-1 82 -58 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC161059  Clarkia amoena subsp. amoena C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  UC112987  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UC423074  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC161048  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-6 6085 Sonoma Alder Glen Springs Comment
  RSA0059971  Clarkia amoena subsp. amoena Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  SEINET3260630 Image available Clarkia amoena subsp. amoena Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15198 Sonoma Two miles North of Kellogg. Comment
  POM171626  Clarkia amoena subsp. huntiana Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  UC1143221  Clarkia amoena subsp. huntiana H. and M. Lewis 1951-7-10 870 Sonoma 0.1 mi w Mark West Springs Comment
  SBBG60242  Clarkia concinna E. Rockwell -Jun-1926 Sonoma Guerneville, Russian River Comment
Read comments
Mar 19 2010
  CAS-BOT-BC172216  Clarkia concinna James McMurphy 1909-5-29 s.n. Sonoma Canyon near Geyserville Comment
  CHSC41507  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6070 Sonoma 5.6 miles e of Red Winery Road on the road to the Geysers. 609 Comment
  UC192014  Clarkia concinna subsp. concinna Michener and Bioletti June 1893 Sonoma Kenwood Comment
  UCD160114  Clarkia gracilis James A. Neilson Jr. 1973-6-3 2970 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC163148  Clarkia gracilis subsp. sonomensis Alice Eastwood 1915-6-5 4592 Sonoma Petrified Forest Comment
  UC373513  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma 5 1/2 mi s Santa Rosa (Sonoma - Santa Rosa Highway) 32 Comment
  LA87839  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville Comment
  RSA108400  Clarkia imbricata Harlan Lewis, M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville; 6230 Vine Hill road Comment
  CAS-BOT-BC371468  Clarkia purpurea Greg de Nevers 1993-7-8 10473 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Rogers Canyon 400 Comment
  UC424784  Clarkia purpurea Milo S. Baker 1930-6-6 4163 a Sonoma a few mi w Cooper's <Grove?> Comment
  CAS-BOT-BC163467  Clarkia purpurea subsp. quadrivulnera John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53999 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC423081  Clarkia purpurea subsp. quadrivulnera Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  SBBG4989  Clarkia purpurea subsp. quadrivulnera H. and M. Dearing 1939-5-3 3274 Sonoma Pope Valley near St Helena Comment
  UCD104917  Clarkia purpurea subsp. quadrivulnera Frederica Bowcutt 1994-5-21 1834 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. At junction of meadow trail and digger pine trail, 1 mile from trailhead. 396 Comment
  CAS-BOT-BC164584  Clarkia purpurea subsp. viminea A. A. Heller 1902-6-4 5646 Sonoma Santa Rosa Comment
  UCD160134  Clarkia unguiculata James A. Neilson Jr. 1973-6-7 2971 Sonoma Mayacmas Mountains. The Geysers. Site IV-G, Big Geysers. (Elevation and exact location estimated by label maker.) 365 Comment
  SEINET12194528  Clarkia unguiculata F. H. Utech 1986-1 86 -121 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 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
  UCR261657  Claytonia exigua subsp. exigua Ann Howald 2003-3-8 2275 Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, ca. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  RSA712417  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4252 Sonoma Cloverdale to Booneville rd. (Hwy. 128) 3.7 mi. NW of junction with Hwy. 101 near Cloverdale. Gravelly serpentine roadbank. Comment
  CAS-BOT-BC439639  Claytonia parviflora subsp. parviflora G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  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
  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
  UCD148396  Clinopodium Peter Rubtzoff 1957-6-28 3390 Sonoma Duncans Mills Marsh, upper portion of marsh. Comment
  CAS-BOT-BC499958  Clintonia andrewsiana Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  JEPS55587  Clintonia andrewsiana W. Roderick 1961-4-9 Sonoma near the Gualala River (ne of Fort Ross, Richardson Ranch, Tin Barn Road); Richardson Ranch, Tin Barn Road Comment
  POM161577  Clintonia andrewsiana Rimo C. Bacigalupi 1926-5-8 1393 Sonoma Cazadero Comment
  RSA12260  Clintonia andrewsiana Carl B. Wolf 1934-6-29 5805 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  SEINET12050352  Clintonia andrewsiana F. H. Utech 1988-1 88 -234 Sonoma Stewart's Point, ca 1.5 mi E on Stewarts Point Road from junction with CA 1 40 Comment
  UC26616  Collinsia greenei H. N. Bolander 1866-1 3968 Sonoma The Geysers Comment
  SEINET12329976  Collinsia heterophylla F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -206 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  JEPS19379  Collinsia sparsiflora var. arvensis G. Thomas Robbins 1938-4-15 258 Sonoma 6-7 mi w Santa Rosa (along rd to Graton) Comment
  UC614984  Collinsia sparsiflora var. arvensis Beryl O. Schreiber 1932-4-3 194 Sonoma road to Petrified Forest Comment
  JEPS34522  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-16 828 Sonoma near Guerneville (rd to Austin Ranch, headwaters of Fife Creek); North Coast Ranges Comment
  RSA52649  Collinsia sparsiflora var. arvensis I. L. Wiggins 1949-4-30 12065 Sonoma 4 miles west of Calistoga, just within the county line. Comment
  RSA780088  Collinsia sparsiflora var. arvensis Lyman Benson 1935-3-31 6406 Sonoma U. S. 101, Healdsburg, North Coast Mt. Range, Russian River Watershed 244 Comment
  UC26647  Collinsia sparsiflora var. collina Alice King Apr. 1897 Sonoma Healdsburg Comment
  UC885509  Collinsia sparsiflora var. sparsiflora Alice Eastwood May 1918 6818 Sonoma Mount St. Helena Comment
  UCSB31777  Collinsia tinctoria Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  CAS-BOT-BC229544  Collomia diversifolia Peter Rubtzoff 1973-7-24 7201 Sonoma Upper Green Valley Marsh Comment
  UC23137  Convolvulus arvensis Alice King May 1897 Sonoma Healdsburg Comment
  CHSC446  Convolvulus soldanella A. Small 1954-6-4 Sonoma Bodego Comment
  CAS-BOT-BC288969  Conyza floribunda Mary P. Wells 1990-1-3 1027 Sonoma Edge of large parking lot two blocks W of Laguna de Santa Rosa Creek, Sebastapol Comment
  JEPS45845  Corallorhiza maculata Eleanor Armstrong 1932-5-20 501 Sonoma 3 1/2 mi s Camp Meeker 91 Comment
  JEPS62607  Cordylanthus maritimus subsp. palustris T. I. Chuang with Fei-Mei Chuang 1970-8-25 6846 Sonoma Coastal salt marsh nw of Bodega Bay (U. C. Biological Reserve); U. C. Biological Reserve Comment
  SEINET13679568  Cordylanthus pallescens M. J. Williams, Wayne Roderick 1978-7-16 78- 228 -4 Sonoma Near Occidental. Comment
  SBBG33944  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  UC103416  Cordylanthus pilosus subsp. pilosus Michener and Bioletti 1891-9-4 1431 a Sonoma s Los Guilucos Comment
  UC1239006  Cordylanthus pilosus subsp. pilosus Freed W. Hoffman 1946-8-14 783 Sonoma e of Camp Meeker Comment
  CDA30951  Cordylanthus tenuis subsp. brunneus D. G. Kelch, Troy McGregor 2010-8-22 10 .353 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  RSA114161  Cordylanthus tenuis subsp. brunneus Milo S. Baker 1947-7-15 11866 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  JEPS16345  Cordylanthus tenuis subsp. capillaris H. L. Mason 1946-7-4 12900 Sonoma 2 mi e Occidental; ; E of Occidental, Sonoma Co. Comment
  JEPS57382  Cordylanthus tenuis subsp. capillaris L. R. Heckard and T. I. Chuang 1968-6-18 1953 Sonoma n Occidental (Stoetz Lane about 3/4 mi w of Harris grade road) Comment
  OBI9576  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-1 Sonoma Comment
  RSA537660  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1972-7-22 7075 Sonoma 2 miles N of Occidental on Harrison Grade Road Comment
  UC1094010  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi e Occidental 243 Comment
  RSA0057952  Cornus Greg de Nevers 1998-5-25 11266 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  JEPS50119  Cornus glabrata W. L. Jepson 1921-9-12 9488 Sonoma Alexander Valley 45 Comment
  UCD110070  Corylus cornuta subsp. californica Mary M. Hektner 1974-7-8 139 Sonoma Between State Highway 1 and Pacific Reach Road; Unit 24 Owners' Map, Sea Ranch. Comment
  SEINET12029962  Corylus cornuta var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 102 a Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  JEPS18019  Cotula coronopifolia George B. Rossbach 1955-3-19 527 Sonoma se end Bodega Head 22 Comment
  UC750813  Cotula coronopifolia Charles B. Heiser Jr. 1946-4-13 1724 Sonoma 1 mi e Jenner Comment
  CAS-BOT-BC173671  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4101 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC290303  Cotula coronopifolia Peter Rubtzoff 1954-8-9 1666 Sonoma Bodega Head Marsh. Comment
  JEPS86784  Crassula solieri Reid Moran, Chas. Quibell 1991-5-15 31053 Sonoma 1 km. e. Glen Ellen (Rte. 12 0.5 km s. of Arnold Dr., Sonoma Valley Regional Park); Sonoma Valley Regional Park 110 Comment
  CAS-BOT-BC143503  Crataegus gaylussacia Peter Rubtzoff 1958-8-16 3885 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  HSC90783  Croton setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma ca. 5 mi. due S of Cloverdale, point below Little Flat Parking area W of bridge 152 Comment
  CAS-BOT-BC361330  Crypsis schoenoides Greg de Nevers 1997-7-20 11070 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Double Ponds and Turtle Pond 400 Comment
  UCR255060  Crypsis schoenoides Greg de Nevers 1989-12-3 9119 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC190107  Crypsis schoenoides Catherine Best 1981-10-18 s.n. Sonoma On the shore of a small lake on Staetz Lane 3M northeast of Occidental. Comment
  CAS-BOT-BC376307  Cryptantha Greg de Nevers 1992-5-24 10155 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 475 Comment
  CAS-BOT-BC251261  Cucurbitaceae Peter Rubtzoff 1955-9-10 2145 Sonoma Vacation Beach, near Guerneville. Comment
  UC66  Cupressus macnabiana W. H. Brewer 1861-11-9 863 Sonoma near the Little Geysers Comment
  CAS-BOT-BC85455  Cupressus sargentii Elizabeth McClintock 1967-9-10 4 Sonoma Ida Clayton Road on west side of Mount St. Helena Comment
  CAS-BOT-BC85472  Cupressus sargentii J. Ed. McClellan; Mrs. J. Ed. McClellan 1975-1-11 s.n. Sonoma Harrison Grade Rd. Comment
  UC1042318  Cuscuta obtusiflora var. glandulosa John Thomas Howell 1946-8-17 22851 Sonoma n of Sebastopol; The Laguna Comment
  CHSC22662  Cuscuta salina var. major Robert A. Schlising; G. Keator 1963-7-27 2629 Sonoma California Coast Ranges. Near entrance to Bodega Head, east side of Bodega Peninsula. Comment
  UC1023584  Cynodon dactylon Virginia Bufford 1936-5-21 362 Sonoma Geysers - Cloverdale Rd Comment
  UCD144421  Cynodon dactylon Frederica Bowcutt 1996-5-24 2165 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. Along Adobe Canyon Road in front of Bud Getty's house, near service area and coral. 365 Comment
  UCR248769  Cynodon transvaalensis Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  UCD160902  Cynosurus echinatus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3582 Sonoma Section 10, ca. 1.5 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UCD60154  Cynosurus echinatus Freed W. Hoffman 1941-6-3 s. n. Sonoma Near Guerneville. Comment
  UCR253370  Cynosurus echinatus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh 76 Comment
  RSA0022474  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 mi. northeast of Penngrove on Lichan[Lichau?] Road. 427 Comment
  CAS-BOT-BC114510  Cyperus eragrostis Catherine Best 1983-10-12 901 Sonoma Growing at the edge of the lake on Stoltz Lake ca. 2 mi NE of Occidental. Comment
  CAS-BOT-BC114512  Cyperus eragrostis Saichi Kawahara 1985-7-1 534 Sonoma On dike bank of Ducker Creek Rincon Valley, Santa Rosa. Comment
  CAS-BOT-BC114515  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-29 400 Sonoma Roblar Rd. Wet spot near county dump. Comment
  CAS-BOT-BC114434  Cyperus erythrorhizos Peter Rubtzoff 1963-9-21 5270 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC114439  Cyperus erythrorhizos Peter Rubtzoff 1961-9-20 4757 Sonoma Lagune de Santa Rosa, NE of Graton, near Guerneville Road crossing. Comment
  CAS-BOT-BC114338  Cyperus esculentus Fembrini 1932-5-27 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC113914  Cyperus niger var. capitatus Peter Rubtzoff 1958-8-23 3902 Sonoma Laguna de Santa Rosa E of Cunningham (nr. Llamo Road). Comment
  UCD167422  Cypselea humifusa Peter Rubtzoff 1975-8-26 8358 Sonoma Bennett Mountain Lake. 361 Comment
  UC399279  Cystopteris fragilis Michener and Bioletti Apr. 1893 5 Sonoma Adobe Canyon Comment
  POM21457  Cytisus monspessulanus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 73094 Sonoma Near Windsor. Comment
  RSA177982  Cytisus monspessulanus Robert F. Thorne 1965-4-19 34309 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; 4 miles W of Santa Rosa. 46 Comment
  UC1100154  Damasonium californicum Herbert L. Mason 1928-4-13 4325 Sonoma near Petaluma Petaluma Comment
  CAS-BOT-BC192274  Danthonia californica G. DeNevers 1982-5-2 1979 Sonoma At the Garrison Canyon. Pepperwood Ranch Comment
  CDA11928  Danthonia californica G. F. Hrusa 1989-6-4 7188 Sonoma North Coast Biodiversity Arena; Near headwaters of Nathanson Creek, E of town of Sonoma. Comment
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD60470  Danthonia californica H. S. Yates 1936-5-16 5579 Sonoma 1 mile NE of Graton. 30 Comment
  UC1023587  Danthonia californica Virginia Bufford 1936-5-14 282 Sonoma Sonoma Mt. Rd. about 10 mi from Santa Rosa Comment
  UCD145304  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma bordering Pitkin Marsh. Comment
  UCD60472  Danthonia californica R. Tofsrud 1947-6-16 s.n. Sonoma 1 mi. W of Two Rock School. Comment
  RSA733924  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma 8.5 miles S.E. of Greysville, south end of Alexander Valley, jct. of Calistoga (hwy. 128) and Chalk Hill roads. Comment
  SEINET7096798  Danthonia californica var. californica A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane. Ca. 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  RSA94296  Danthonia californica var. californica Peter Rubtzoff 1952-5-31 1099 Sonoma Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC154983  Datura Peter Rubtzoff 1969-8-14 6131 Sonoma Along Salmon Creek, ca. 0.5 mi. upstream from Highway #1. Comment
  RSA0045177  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral. 100 Comment
  UCR37765  Daucus carota A. C. Sanders 1985-1-19 5374 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCD166347  Deinandra corymbosa Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC9575  Delphinium bakeri Milo S. Baker 1929-5-3 3429 Sonoma Coleman Valley Comment
  JEPS6240  Delphinium hesperium M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 220 Sonoma between Guerneville and Monte Rio; Russian River Comment
  RSA149677  Delphinium hesperium C. Epling 1943-6-17 s.n. Sonoma Bodega Bay, 2 mile sE of bay at rock outcrops. Comment
  CAS-BOT-BC10007  Delphinium hesperium Alice Eastwood 1916-6-5 4599 Sonoma Petrified Forest on Calistoga Road Comment
  UC188634  Delphinium hesperium subsp. hesperium Michener and Bioletti May 1893 Sonoma Kenwood Comment
Read comments
Jun 5 2007
  CAS-BOT-BC10096  Delphinium luteum L. W. Burbank 1917-4-25 s.n. Sonoma Bodega Comment
  CAS-BOT-BC10099  Delphinium luteum John Thomas Howell 1931-4-18 6414 Sonoma Larkspur Rock, near Bodega Bay Comment
  CAS-BOT-BC10128  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma On State Highway #1, a mile or so east of Bodega Bay Comment
  CAS-BOT-BC8007  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross Comment
  CDA24249  Delphinium nudicaule G. D. Barbe, T. C. Fuller 1985-3-28 4198 Sonoma In ravine southwest of pasture; 6560 Sonoma Mountain Road, south of Santa Rosa. Comment
  RSA304847  Delphinium nudicaule James R. Shevock 1971-3-21 814 Sonoma Near Sugarloaf St Park 152 Comment
  UC467759  Delphinium nudicaule H. P. Chandler 1907-4-21 7520 Sonoma road from Glen Ellen to Oakville near summit 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
  CAS-BOT-BC7764  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1939-4-8 2592 Sonoma South of Shellville Comment
  NY387587  Dendromecon myrtifolia A. A. Heller 1902-5-29 5618 Sonoma Mt. Hood Comment
  RSA177978  Dendromecon rigida Robert F. Thorne 1965-4-19 34305 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  UC72732  Dendromecon rigida Milo S. Baker 1899-5-7 Sonoma near Occidental Comment
  UCD136322  Dendromecon rigida M. Rei Scampavia Evangelista 2012-5-20 9 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  SEINET12091845  Dendromecon rigida F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -160 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 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-BC192608  Deschampsia cespitosa subsp. holciformis Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy. 1 Comment
  CAS-BOT-BC210166  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd Road 1.5 mi. from Hwy. 116 and 0.5 mi. from Llano Road. Comment
  CAS-BOT-BC376437  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 400 Comment
  UCR280138  Deschampsia danthonioides Peter Rubtzoff 1971-6-5 6510 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 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-BC227662  Deschampsia elongata Peter Rubtzoff 1969-8-29 6167 Sonoma Salmon Creek bottom ca. 1/2 mi. upstream from Hwy. 1 crossing Comment
  UC53607  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma Russian R. below Guerneville; Russian R. Comment
  UCR280140  Deschampsia elongata Peter Rubtzoff 1971-6-25 6560 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  UC1196305  Dicentra chrysantha Joseph P. Tracy 1935-7-7 14047 Sonoma on road to Geysers from Geyserville 609 Comment
  CAS-BOT-BC254477  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1937-6-6 13032 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC254498  Dichanthelium acuminatum subsp. acuminatum Walter Knight; Irja Knight 1968-1-1 2264 Sonoma From end of footbridge at Sulphur Creek opposite bath houses, Geysers Resort Comment
  CAS-BOT-BC242664  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 b Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called The Outlaw) or otherwise thermal no. 10 (Thermal Power co.) Comment
  POM288511  Dichanthelium acuminatum var. fasciculatum P. B. Kennedy 1915-5-31 s.n. Sonoma Annapolis Region Comment
  CAS-BOT-BC502215  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-14 5065 Sonoma near Windsor Comment
  SEINET10965902  Dichelostemma capitatum A. Arthur Heller, H. E. Brown 1902-3-17 Heller 5087 Sonoma Hills 8 miles Northeast of Santa Rosa. Comment
  SEINET12044683  Dichelostemma capitatum J. T. Howell 1931-1 6428 Sonoma 8 m N of Bay Comment
  SEINET8351809  Dichelostemma capitatum L. R. Abrams 1918-4-27 6908 Sonoma Independence School near Healdsburg. Comment
  HSC34880  Dichelostemma capitatum subsp. capitatum Thomas W. Nelson, James Nelson 1975-3-25 1753 Sonoma Beside Hwy. 128 E of Geyserville Comment
  POM169356  Dichelostemma capitatum subsp. capitatum A. A. Heller, H. E. Brown 1902-3-14 5065 Sonoma Near Windsor Comment
  RSA39845  Dichondra donelliana Vanderwal 1941-11-6 s.n. Sonoma Frank Silva property, Sebastopal. Comment
  UCD126369  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma five miles north of Jenner. Comment
  SEINET11690138  Digitaria ischaemum J. T. Howell, Best, C. 1986-1 s.n. Sonoma Sonma State Campus, Rohnert Park Comment
  CAS-BOT-BC176370  Digitaria sanguinalis Peter Rubtzoff 1959-8-30 4243 Sonoma Drake's Beach, near Guerneville, along Russian River. Comment
  RSA796380  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD148408  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC152038  Diplacus aurantiacus A. A. Heller; H. E. Brown 1902-4-11 5258 Sonoma Bodega Bay Comment
  CAS-BOT-BC151880  Diplacus congdonii Milo S. Baker 1927-4-12 2073 a Sonoma S.E. slope Hood's Peak 335 Comment
  UCR30861  Dipsacus sativus John C. Roos 1948-8-29 3962 Sonoma North Coast Ranges, Healdsburg Comment
  UC1368685  Dirca occidentalis G. Leyard Stebbins, Walter and Irja Knight 1969-2-23 2611 Sonoma on Salmon Creek Road 2.3 mi from main Bodega (town) intersection (n side of road, about 20 ft from pavement) Comment
  CAS-BOT-BC331486  Distichlis Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road 0.8 miles southeast of Bodega Highway (Two Rock church). Comment
  RSA0022417  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just S of Hwy 116. Comment
  RSA796172  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh. Comment
  JEPS57131  Dodecatheon hendersonii L. R. Heckard 1967-5-7 1595 Sonoma near top Hood Peak; near top of Hood Peak 822 Comment
  UCD151168  Dodecatheon hendersonii James A. Neilson Jr. 1974-3-27 s.n. Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UCD160145  Dodecatheon hendersonii James A. Neilson Jr. 1974-4-16 3158 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 975 Comment
  SJSU8499  Dodecatheon hendersonii T. A. Wayne III 1962-4-7 Sonoma midway between Bodega Bay & Salmon Cr 91 Comment
  UCR279869  Downingia concolor var. concolor Peter Rubtzoff 1969-5-11 6039 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  CAS-BOT-BC154158  Downingia cuspidata Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8581 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS3102  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley; ; Los Guilucos Valley, Sonoma Co. Comment
  UC1051650  Drosera rotundifolia Peter Kamb and Francia Chisaki 1950-6-16 1848 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, toward s end of marsh); Pitkin Marsh Comment
  CAS-BOT-BC159441  Drymocallis glandulosa var. glandulosa Alice Eastwood 1915-6-5 4588 Sonoma Petrified Forest Comment
  CAS-BOT-BC159462  Drymocallis glandulosa var. glandulosa L. R. Abrams 1916-7-4 5792 Sonoma Road between Petrified Forest and Mark West Comment
  UC567171  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3812 Sonoma near Bodega Port; Duncan Mills Quad. 7 Comment
  CAS-BOT-BC71024  Dryopteris arguta G. DeNevers 1981-5-9 1088 Sonoma E arm Creek Comment
  UC1015407  Dudleya farinosa Jack Whitehead 81 Sonoma Bodega Park Comment
  SEINET4558824  Dysphania botrys Peter Rubtzoff 1965-1 5615 Sonoma Russian River bottom at Forest Hills (5.5 mi east of Guerneville) Comment
  UCSB61660  Dysphania botrys Ertter, Barbara 1988-11-5 Sonoma Lake Sonoma ca. 5 air miles due S of Cloverdale, point below Little Flat parking area W of Bridge; T10N R11W 152 Comment
  CAS-BOT-BC176372  Echinochloa crus-galli Peter Rubtzoff 1958-7-20 3794 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  UCD61074  Echinochloa muricata P. B. Kennedy 1925-8-4 Sonoma Petaluma. Comment
  CAS-BOT-BC274414  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC112981  Eleocharis macrostachya Peter Rubtzoff 1951-7-8 387 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112181  Eleocharis radicans Peter Rubtzoff 1951-9-2 702 Sonoma Southern half of Lower Marsh. Comment
  CAS-BOT-BC112198  Eleocharis radicans Peter Rubtzoff 1970-9-2 6353 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC112200  Eleocharis radicans Peter Rubtzoff 1965-8-22 5619 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). 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
  CAS-BOT-BC112205  Eleocharis radicans Peter Rubtzoff 1962-7-28 5006 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road. Comment
  RSA74319  Eleocharis radicans Milo S. Baker 9486 Sonoma Brookside Garden, near Kenwood Comment
  RSA94017  Eleocharis rostellata Peter Rubtzoff 1952-5-31 1127 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  CAS-BOT-BC451543  Elodea canadensis Peter Rubtzoff 1987-9-27 9860 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC221830  Elymus canadensis Rimo Bacigalupi 1926-5-2 1405 Sonoma Cazadero Comment
  RSA126906  Elymus glaucus H. S. Yates 1934-4-22 3837 Sonoma Near Petrified Forest; Calistoga 244 Comment
  UCD61888  Elymus glaucus P. B. Kennedy 1918-5-28 Sonoma Calistoga Road via Petrified Forest. Road, Santa Rosa. Comment
  LA14814  Elymus glaucus H. S. Yates; 1937-6-5 6574 Sonoma 3 mi SE of Wildmont 121 Comment
  CAS-BOT-BC203707  Elymus glaucus subsp. glaucus Alice Eastwood 1915-6-29 4873 Sonoma Bodega Point 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-BC203721  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1097 Sonoma Pepperwood Ranch. S of Redwood Canyon 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
  JEPS45814  Elymus glaucus subsp. jepsonii Eleanor Armstrong 1932-5-25 176 Sonoma 2 mi s Graton 91 Comment
  CAS-BOT-BC235233  Elymus multisetus Roxana S. Ferris; Laura Lorraine 1961-6-15 13571 Sonoma About 1/8 mile beyond County Dump Comment
  UC1042506  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-8-4 586 Sonoma opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UCR248960  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC262971  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. 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
  CAS-BOT-BC268074  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1958-8-23 3914 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  UC424852  Epilobium ciliatum subsp. watsonii Milo S. Baker 1929-4-17 3513 Sonoma Bodega Rd near Bay Comment
  POM225185  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-8 14312 Sonoma Ft. Ross Comment
  RSA225179  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-7 14307 Sonoma 6 miles N of Bodega. Comment
  RSA800038  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5867 Sonoma Lower Salmon Creek Marsh. Comment
  UC873152  Epilobium densiflorum Lewis S. Rose 1938-9-11 38252 Sonoma dry ditch Bloomfield 30 Comment
  CAS-BOT-BC262788  Epilobium hallianum Peter Rubtzoff 1958-5-17 3670 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  RSA800408  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidental Marsh. Comment
  UC1301103  Epilobium minutum Helen K. Sharsmith 1963-5-25 5486 Sonoma near Occidental; San Francisco Bay Region, Occidental Grade 152 Comment
  RSA41106  Epilobium minutum Robert F. Hoover 1939-4-18 4040 Sonoma Occidental Comment
  UCD165327  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA784473  Equisetum Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  CAS-BOT-BC57044  Equisetum arvense John H. Thomas 1976-6-15 18324 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  RSA784476  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. 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
  UC1084510  Equisetum laevigatum G. Thomas Robbins 1937-6-18 249 Sonoma along R.R. right-of-way Santa Rosa Comment
  UCD148428  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC57655  Equisetum telmateia Dorothy Scherer 1996-3-16 006 Sonoma West of Hwy 1 and south side of Kolmer Gulch, Fort Ross State Historic Park 10 Comment
  CAS-BOT-BC57648  Equisetum telmateia Peter Rubtzoff 1952-6-15 1257 Sonoma Forestville Marsh Comment
  UC750802  Equisetum telmateia subsp. braunii Charles B. Heiser Jr. 1946-4-14 1729 Sonoma 3 mi w Duncan Mills (banks of Russian River) Comment
  RSA216112  Equisetum telmateia var. braunii Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh. Comment
  UC1025040  Eragrostis cilianensis Leo Whitney 1935-10-2 3634 Sonoma Santa Rosa Comment
  CAS-BOT-BC213572  Eragrostis hypnoides Peter Rubtzoff 1970-9-2 6355 Sonoma Rusian River bottom at Mirabel Park Comment
  CAS-BOT-BC182756  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1956-9-21 2937 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC284187  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1956-9-14 2864 Sonoma Vacation Beach near Guerneville, Russian River Comment
  CAS-BOT-BC291172  Erechtites glomeratus Mary P. Wells 1985-5-26 494 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  CAS-BOT-BC164663  Erechtites minimus Peter Rubtzoff 1954-8-13 1706 Sonoma Bodega Head Marsh. Comment
  JEPS19249  Ericameria arborescens W. T. Mooney 1915-9-1 Sonoma Petaluma Comment
  JEPS127734  Ericameria ericoides H. Forbes, B. Keller, Valov, Debra 2009-9-21 UCBG 39 Sonoma Bodega Marine Reserve, about 14 km west of the town of Bodega & 7.1 km west of Bodega Bay. On the dunes along the Bodega Marine Reserve Road, about 1.6 km from the intersection with Westside Road. Comment
  RSA130887  Erigeron biolettii E. K. Balls 1958-7-21 23585 Sonoma Highway 12, 0.5 mile NE from junction with Hwy. 1 at Bridgehaven, along Russian River 30 Comment
Read comments
Jun 7 2019
  UC1557906  Erigeron glaucus J. Semple, S. Heard 1986-8-20 8571 Sonoma CA-1, between Jenner and Bodega Bay (edge of bluffs) Comment
  UC31486  Erigeron glaucus Harley P. Chandler 1900-5-25 690 Sonoma Bodega Bay Comment
  UC688916  Erigeron greenei S. F. Cooke 1943-6-24 Sonoma Cazadero Cazadero (side of stream) Comment
  CAS-BOT-BC300249  Erigeron reductus var. angustatus G. DeNevers 1981-6-6 1451 Sonoma Pepperwood Ranch. Franz Valley Road Comment
  HSC101101  Erigeron serpentinus Peter Warner 2011-8-12 230 Sonoma Jenner Headlands property, Jenner Pasture, about 400 m E 115 deg. S fr. cottage, corrals 173 Comment
  UCD112399  Eriodictyon californicum Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  SEINET12327812  Eriodictyon californicum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -075 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 107 Comment
  CAS-BOT-BC250016  Eriogonum fasciculatum var. foliolosum Miss E. Cannon No date on label s.n. Sonoma Black Point Comment
  CAS-BOT-BC259253  Eriogonum latifolium John H. Thomas 1976-6-15 18301 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  RSA149622  Eriogonum latifolium George W. Barclay 1839-09 3033 Sonoma Bodegas Comment
  UC1084471  Eriogonum latifolium G. Thomas Robbins 1937-6-6 236 Sonoma along roadside near Bodega Bay Comment
  RSA197065  Eriogonum latifolium Noel Holmgren, James L. Reveal 1966-6-6 2648 Sonoma Just north of Ocean View. On bluff above shore line (form away from immediate coastal influence). Comment
  CAS-BOT-BC259473  Eriogonum luteolum F. G. Krauss 1893-10-4 s.n. Sonoma K. Ranch 5 miles W. of Calistoga Comment
  CAS-BOT-BC259480  Eriogonum luteolum C. F. Leitholt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  CAS-BOT-BC259482  Eriogonum luteolum Helen D. Geis 1902-8-1 s.n. Sonoma Russian River, near Cloverdale Comment
  CAS-BOT-BC259485  Eriogonum luteolum Gladys L. Smith 1961-9-6 1453 Sonoma Road shoulder near P.G.&E. power house, Geysers 822 Comment
  CAS-BOT-BC261694  Eriogonum nudum var. nudum R. F. Hoover 1952-6-1 1132 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  UC77615  Eriogonum nudum var. nudum Prof. T. S. Heaton June 1888 Sonoma Verrano Comment
  SBBG32275  Eriogonum vimineum L. S. Rose 1955-7-11 Sonoma 2 mi E of Occidental 243 Comment
  CAS-BOT-BC262334  Eriogonum vimineum R. D. Stone; G. Clifton 1983-6-16 552 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage 701 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
  CAS-BOT-BC301147  Eriophyllum lanatum var. achilleoides Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC301151  Eriophyllum lanatum var. achilleoides F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch Comment
  CAS-BOT-BC301163  Eriophyllum lanatum var. achilleoides L. Beane; Lois E. James 1949-5-11 1939 Sonoma 2 mi. N. of Cloverdale Comment
  CAS-BOT-BC301276  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1933-9-3 33354 Sonoma 2 miles w. of Petrified Forest Comment
  JEPS86743  Eriophyllum lanatum var. arachnoideum Jack and Betty Guggolz 1990-4-30 1040 Sonoma 4 mi w Occidental; Coleman Valley Road 304 Comment
  UC750800  Eriophyllum lanatum var. arachnoideum Charles B. Heiser Jr. 1946-4-13 1721 Sonoma 2 mi e Jenner Comment
  UCD103117  Erodium brachycarpum Frederica Bowcutt 1994-6-24 1887 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain Trail. 426 Comment
  UCD103274  Erodium moschatum Robert F. Thorne 1965-4-19 34264 Sonoma Cotati, Waters Ranch. 30 Comment
  JEPS97594  Eryngium aristulatum R. D. Stone 1985-6-1 676 Sonoma Shiloh Ranch Mark West Springs (2.3 airmiles NE of intersection of Shiloh and Faught rds.;0.6 airmiles WSW of); a small tributary in Mark West Creek drainage 259 Comment
  UCD150843  Eryngium aristulatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  UCD84100  Eryngium aristulatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  UC1365624  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-4-17 5682 Sonoma e. Graton (between Occidental and Guerneville rds., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC1365627  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1958-7-19 3769 Sonoma e. Sebastopol (Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC21013  Eryngium aristulatum var. aristulatum Alice King Sept. 1897 Sonoma Healdsburg Comment
  POM259748  Eryngium aristulatum var. aristulatum J. T. Howell 1934-3-26 11806 Sonoma Summit of Bennet Valley road from Glen Ellen to Santa Rosa Comment
  POM161245  Eryngium armatum Rimo Bacigalupi 1928-6-19 1884 Sonoma Mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  CAS-BOT-BC54763  Erysimum franciscanum D. E. Breedlove 1961-12-31 1441 Sonoma At mouth of Russian River. 3 Comment
  CAS-BOT-BC502683  Erythronium californicum Volney Rattan 1877-6-25 s. n. Sonoma near Cloverdale Comment
  SEINET9633973 Image available Erythronium californicum Fred W. Hoffman 1947-4-20 1866 Sonoma Near Mercury, Geysers to Healdsburg. Comment
  UC70419  Erythronium californicum Milo S. Baker 1898-4-6 13 Sonoma Gualala River Comment
  SEINET12049789  Erythronium helenae F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -199 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC402866  Eschscholzia caespitosa Alice Eastwood 1900-4-21 s.n. Sonoma Mt. St. Helena Comment
  RSA177941  Eschscholzia caespitosa subsp. caespitosa Robert F. Thorne 1965-4-20 34361 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  CAS-BOT-BC403707  Eschscholzia californica W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  UC635617  Euonymus occidentalis var. occidentalis H. L. Mason 1928-7-11 4890 Sonoma canyon 2 mi. n. Fort Ross Comment
  UCR255738  Euphorbia oblongata Greg de Nevers 1993-4-27 10405 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  UCR248751  Euphorbia polycarpa Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 c. 0.3 mi. SE of Forestville 37 Comment
  UC469051  Eurybia radulina Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  UCR255940  Euthamia occidentalis Peter Rubtzoff 1960-9-17 4560 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads 27 Comment
  RSA0025192  Euthamia occidentalis Peter Rubtzoff 1961-9-20 4748 Sonoma Americano Creek, 0.9 mi west of Bloomfield. Comment
  CAS-BOT-BC239715  Fabaceae Peter Rubtzoff; Nancy Harrison 1974-5-26 7472 Sonoma Vernal pool on Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC239720  Fabaceae Peter Rubtzoff 1974-6-2 7520 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC239722  Fabaceae Peter Rubtzoff 1974-5-26 7500 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 mile from Llano Road 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-BC239730  Fabaceae Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh Comment
  UCR255032  Festuca Greg de Nevers 1989-1 9068 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD65908  Festuca californica subsp. californica H. S. Yates 1934-4-21 3806 Sonoma Near Bodega Port. 7 Comment
  UC576335  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mi sw Petrified Forest; Calistoga Quad. 274 Comment
  CAS-BOT-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  CAS-BOT-BC278414  Festuca idahoensis A. A. Heller 1902-5-29 5628 Sonoma Near the summit of Mt. Hood Comment
  OBI35900  Festuca perennis David J. Keil 1983-6-30 17214 Sonoma Stillwater Cove Regional Park Comment
  UC576342  Festuca roemeri H. S. Yates 1937-5-31 6558 Sonoma near Alpine School; Calistoga Quad. 304 Comment
  UCD66331  Festuca rubra P. B. Kennedy 1918-5-28 Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  CAS-BOT-BC353383  Filago Peter Rubtzoff 1974-5-26 7490 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CDA5256  Filago pyramidata var. pyramidata J. T. Howell 1976-4-26 51595 Sonoma Hills east of Geyserville on road to Geysers. 0 Comment
  POM140717  Fragaria californica A. A. Heller 1902-3-16 5074 Sonoma Russian River, Near Trenton. Comment
  UCD112540  Frangula californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-29 92 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC53276  Frangula californica subsp. californica Peter Rubtzoff 1957-6-28 3377 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC53279  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the westsern branch of the Upper Marsh Comment
  CAS-BOT-BC53282  Frangula californica subsp. californica Mrs. E. C. Sutliffe 1920-8-1 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC53283  Frangula californica subsp. californica A. A. Heller 1902-6-26 5768 Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC53281  Frangula californica subsp. californica G. DeNevers 1981-6-1 1428 Sonoma By Hansel's Lake Comment
  UCD158845  Frangula californica subsp. crassifolia James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2912 Sonoma The Geysers, west central part of Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  CDA43437  Frankenia salina Stephanie Larson 2015-7-21 PDR# 49 UP06191161 Sonoma Near Highway 37. 0 Comment
  CAS-BOT-BC217873  Fraxinus latifolia John Thomas Howell 1951-5-28 27498 Sonoma Laguna east of Sebastopol 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
  JEPS55695  Fritillaria M. and A. Ackley 1967-4-26 Sonoma 2/3 way down from summit towards Oakville (Trinity Grade Road); Trinity Grade Road 304 Comment
  RSA17443  Fritillaria affinis Elmer I. Applegate 1934-3-25 8861 Sonoma Pine Flat region, west slope of the Mayacama Range Comment
  UC1084349  Fritillaria affinis G. Thomas Robbins 1937-3-25 4 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  JEPS111397  Galium andrewsii subsp. andrewsii Jack and Betty Guggolz 1997-5-31 1521 Sonoma South Pine Flat 683 Comment
  RSA264746  Galium aparine Peter Rubtzoff 1959-5-30 4068 Sonoma Freestone Marsh. Comment
  UCD121716  Galium aparine Caitlin Lewis; William Mutch 1993-4-17 20 Sonoma Sugarloaf Ridge State Park. About 40 miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  UCD158783  Galium bolanderi James A. Neilson Jr. 1974-6-1 2768 Sonoma Mayacmas Mountains, Geyser Rock, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  JEPS128260  Galium californicum Roger Raiche 2000-4-23 043 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC971681  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma in hills behind Fountaingrove Vineyard (near pond, three mi n of Santa Rosa along Hwy 101) Comment
  SEINET12515257  Galium parisiense var. leiocarpum Micheuer, Bioletti 1892-7-1 s.n. Sonoma Hoods Creek. Comment
  UC421566  Galium porrigens var. porrigens John Thomas Howell 1929-6-9 4297 Sonoma 2 mi n Sonoma Comment
  SD58505  Galium porrigens var. porrigens Joseph T. Gregory 1936-3-15 1055 Sonoma East side of Russian River on road from Cloverdale to Hopland, first point north of drinking fountain Comment
  JEPS6458  Galium trifidum var. pacificum Peter Rubtzoff 1951-6-7 127 Sonoma western branch of the upper marsh Pitkin Marsh (near Forestville) Comment
  UC424793  Galium triflorum Milo S. Baker 1930-6-6 4157 Sonoma roadbank to West Occidental to Freestone Hiway Comment
  CAS-BOT-BC303497  Gamochaeta ustulata G. DeNevers 1981-4-23 784 Sonoma Pippindale farm, Clarence Wright land at Garrison fence, ridgetop, along Hansel's fenceline Comment
  CAS-BOT-BC311820  Gastridium Peter Rubtzoff; Nancy Harrison 1976-6-18 8649 Sonoma False Lake Meadow area, Annadel State Park. Comment
  SEINET4571745  Gastridium phleoides L. Koch 1940-4-22 837 Sonoma Grassy hills above Sulfur Creek Geysers Comment
  UCD81373  Gastridium phleoides Frederica Bowcutt 1996-5-19 2127 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  POM316490  Gaultheria shallon Patricia Wilder 1965-6-10 3651 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  UCD117454  Gaultheria shallon Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 045 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD169076  Gentiana affinis Mary M. Hektner; Cathy Hendel 1974-6-26 75 Sonoma Sea Ranch. Near State Highway 1, Unit 35-A Owner's Map. Comment
  UCD103335  Geranium dissectum Adam Green 1994-5-1 1784 Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. S of Sonoma Creek about 125 yards 1/4 mile NW of confluence with Rattlesnake Creek, meadow in center of campground. Comment
  UC424771  Geranium molle Milo S. Baker 1929-5-3 3602 a Sonoma Coleman Valley Comment
  SEINET3860395  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp, E. A. Helmkamp 2010-6-4 16230 Sonoma North Coast Ranges: Mark West Springs Raod, 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east of Windsor.; 0 155 Comment
  SEINET5501090  Gilia capitata Sally Walker 1981-5-25 Sonoma 4 miles W of Occidental Sonoma Co. Comment
  JEPS46208  Gilia capitata subsp. capitata Eleanor Armstrong 1932-5-15 453 Sonoma near Camp Meeker; near Camp Meeker 106 Comment
  CAS-BOT-BC225286  Gilia capitata subsp. chamissonis Alice Eastwood 1915-6-29 4824 Sonoma Bodega Point Comment
  UCD117742  Gilia capitata subsp. pacifica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 050 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC726807  Gilia capitata subsp. tomentosa A. A. Heller 1940-5-17 15631 Sonoma immediately e Bodega Bay (on State Highway 1) Comment
  RSA583205  Gilia millefoliata Peter G. Connors 1995-7-6 353 Sonoma Bodega Marine Reserv, University of California, Bodega Head near town of Bodega Bay; [elev.] <10 meters. 10 Comment
  SEINET4854749  Gilia pallida A. A. Heller 1902-6-23 5739 Sonoma Petrified Forest. Comment
  CAS-BOT-BC266522  Githopsis diffusa Peter Rubtzoff 1957-5-26 3354 Sonoma Near Occidental - Graton road, 2.7 miles E of Occidental Comment
  SEINET3821488  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  UC1119751  Glebionis segetum H. S. Yates 1934-4-21 3807 Sonoma near Bodega Port; Duncan Mills 15 Comment
  CAS-BOT-BC303751  Glebionis segetum Walter & Irja Knight 1963-8-13 210 Sonoma 1.5 miles S Salmon Creek Comment
  CAS-BOT-BC227641  Glyceria Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh. Comment
  CAS-BOT-BC227665  Glyceria Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  SEINET11690158  Glyceria X occidentalis W. Knight, Knight, I.; Howell, J. T. 1987-1 6236 Sonoma Todd Road Preserve 24 Comment
  RSA786494  Glyceria declinata Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  RSA786497  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  UCD166088  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  UCD57076  Glyceria leptostachya B. Crampton 1955-6-17 2937 Sonoma 1/2 mile south of Guerneville. Comment
  UCR244674  Glyceria occidentalis Peter Rubtzoff 1966-5-28 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing) 20 Comment
  RSA796404  Glyceria striata Peter Rubtzoff 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  UCD105811  Glycyrrhiza lepidota Freed W. Hoffman 1946-8-16 785 Sonoma Near Guerneville. Gravel bar, Russian River. Comment
  CAS-BOT-BC303864  Gnaphalium Peter Rubtzoff 1970-9-2 6360 Sonoma Russian River bottom at Mirabel Park, near a pool Comment
  CAS-BOT-BC376278  Gnaphalium Greg de Nevers 1996-8-28 10859 Sonoma Trail from Shell Beach to Pomo Campground 40 Comment
  CAS-BOT-BC176150  Gnaphalium chilense Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC176155  Gnaphalium chilense Peter Rubtzoff 1955-9-9 2125 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC166794  Gnaphalium palustre Peter Rubtzoff 1958-7-5 3727 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC302686  Gnaphalium palustre John Thomas Howell 1936-7-26 12668 Sonoma Between Occidental and Graton Comment
  JEPS34012  Gnaphalium palustre Willis L. Jepson 1892-8-7 14749 Sonoma near Cloverdale (valley of the Russian River); Russian River Comment
  POM56984  Gnaphalium palustre A. A. Heller 1902-6-10 5684 Sonoma Santa Rosa Comment
  CDA6006  Gnaphalium purpureum T. C. Fuller 1958-5-24 3986 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  JEPS4240  Gratiola ebracteata W. L. Jepson 1921-5-6 9193 Sonoma Sonoma Valley 30 Comment
  CAS-BOT-BC305180  Grindelia hirsutula J. T. Howell 1930-6-8 5223 Sonoma 8 mi. west of Petaluma Comment
  CAS-BOT-BC305182  Grindelia hirsutula Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers Comment
  CAS-BOT-BC305185  Grindelia hirsutula G. DeNevers 1981-6-6 1445 Sonoma Pepperwood Ranch. At the first Pepperwood entrance Comment
  CAS-BOT-BC305201  Grindelia hirsutula D. E. Breedlove 1980-6-28 44811 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC161754  Grindelia hirsutula J. Torrey 1865-1 221 Sonoma Sonoma Valley Comment
  UC479502  Grindelia hirsutula Marcus E. Jones, A. M. 1931-7-5 29142 Sonoma The Geysers Comment
  UC87905  Grindelia hirsutula J. W. Congdon April 1880 Sonoma Petaluma Comment
  CAS-BOT-BC305173  Grindelia hirsutula Robert M. King 1980-7-8 8413 Sonoma Generally 2 miles north of Bodega Bay Comment
  UC38767  Hainardia cylindrica A. B. Leckenby July, 1896 Sonoma Petaluma Comment
  SEINET11689070  Hainardia cylindrica H. K. Wagnon 1989-1 1895 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, trail at entrance to Annadel Park 67 Comment
  UC30652  Harmonia nutans F. T. Bioletti 1892-5-15 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  CAS-BOT-BC306331  Hedypnois cretica Ella Dales Cantelow 1941-4-14 3509 Sonoma Mouth of Salmon Creek nr. ocean Comment
  CAS-BOT-BC306321  Hedypnois cretica D. E. Breedlove 1980-6-27 44752 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC309586  Helenium puberulum Marcus E. Jones 1931-7-5 29104 Sonoma The Geysers Comment
  RSA800484  Helenium puberulum Peter Rubtzoff 1955-8-13 2043 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  UCD132751  Helenium puberulum Mary M. Hektner 1974-7-27 181 -A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD131726  Helianthella californica Frederica Bowcutt 1994-6-25 1925 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  JEPS25146  Helianthella californica subsp. californica G. Thomas Robbins 1959-5-16 4016 Sonoma Spring Mtn. Road between Calistoga Road and Sonoma-Napa County line; Mayacamas Mts. 304 Comment
  CAS-BOT-BC314740  Helianthella californica var. californica Greg de Nevers 1987-4-25 8165 Sonoma 3500 Franz Valley Road, Pepperwood Ranch Natural Preserve, Santa Rosa 400 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
  CAS-BOT-BC305580  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  CAS-BOT-BC305582  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  CDA6477  Helianthus gracilentus David J. Keil, V. L. Holland, Lynne Dee Oyler, G. F. Hrusa, G. L. Stebbins 1994-6-5 24503 Sonoma Along Cavedale Road ca. 1.5 miles from junction with Trinity Road, Mayacamus Mountains. Comment
  CAS-BOT-BC157674  Hemizonia Peter Rubtzoff; Nancy Harrison 1976-6-18 8640 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA800146  Hemizonia Peter Rubtzoff 1958-8-23 3921 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  UCD166266  Hemizonia Peter Rubtzoff 1970-9-3 6379 Sonoma Marsh off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek. Comment
  UCD166414  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  UCR255883  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Hwy 37, opposite Port Sonoma, Lower Ranch 1 Comment
  CAS-BOT-BC257985  Hemizonia Peter Rubtzoff 1962-10-23 5120 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC258387  Hemizonia Peter Rubtzoff 1972-5-21 6746 Sonoma Atascadero Creek Marsh and nearby slopes. Comment
  CAS-BOT-BC268123  Hemizonia Peter Rubtzoff 1975-8-15 8323 Sonoma Laguna, Chileno Valley. Comment
  UCD166494  Hemizonia Peter Rubtzoff 1964-8-26 5491 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road. 213 Comment
  UC88997  Hemizonia clevelandii Katharine Brandegee Sonoma Verano Comment
  UCR45079  Hemizonia congesta L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  RSA81606  Hemizonia congesta James I. McMurphy 1908-9-26 s.n. Sonoma Foothills E of Fulton. Comment
  CAS-BOT-BC306226  Hemizonia congesta subsp. congesta John Thomas Howell; J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol 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
  LA203724  Hemizonia congesta subsp. congesta H. M. Hall; 1916-6-23 10241 Sonoma 12 km NW of Petaluma Comment
  CAS-BOT-BC306216  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10241 b Sonoma Near Petaluma (6 mi. n.w.) Comment
  CAS-BOT-BC306243  Hemizonia congesta subsp. congesta James I. McMurphy 1909-8-10 717 -B Sonoma About a mile W of Santa Rosa on road to Fulton Comment
  UC193421  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10241 Sonoma 6 mi nw Petaluma Comment
  CAS-BOT-BC309697  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-8 701 b Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309711  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 miles south of Jenner, on the Bodega road Comment
  JEPS86755  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-4-30 1038 Sonoma n side intersection of Occidental Road and Facindini Lane Comment
  UC483683  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi e Occidental Comment
  UC990620  Hemizonia congesta subsp. lutescens James I McMurphy 1909-8-9 710 Sonoma Hills between Sonoma and Petaluma Comment
  UCR233074  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 Rd. 75 Comment
  CAS-BOT-BC309667  Hemizonia congesta subsp. lutescens J. McMurphy 1909-7-10 504 Sonoma 4 miles north of Cloverdale Comment
  CAS-BOT-BC309678  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 Sonoma On road to Petaluma, 4-1/2 miles south of Santa Rosa Comment
  CAS-BOT-BC309689  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road. Near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC309707  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 715 Sonoma 2 miles south of Santa Rosa on road to Petaluma Comment
  CAS-BOT-BC309721  Hemizonia congesta subsp. lutescens J. Clausen 1932-9-20 719 Sonoma South of Santa Rosa Comment
  CAS-BOT-BC309731  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-5-28 s.n. Sonoma About 1 mile west of Santa Rosa Comment
  UC897703  Hemizonia congesta subsp. lutescens Milo S. Baker 5718 Sonoma Comment
  CAS-BOT-BC309939  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4755 Sonoma The Cedars, near Cazadero on Twitchell Ranch 228 Comment
  JEPS119408  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2805 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, end of Los Alamos Rd., 4.6 miles east of intersection Hwy 12, parking area next to Hood Mountain Regional Park Comment
  UCD55333  Hemizonia congesta subsp. luzulifolia Ellen Dean 2006-6-28 3177 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC306255  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  SD53366  Hemizonia congesta subsp. luzulifolia Darley F. Howe 1962-7-28 3361 Sonoma Mark West Creek, 3.4 miles east of Highway 101. Comment
  UCR261633  Hesperevax sparsiflora var. sparsiflora Ann Howald 2003-5-15 2334 B Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek 151 Comment
  SD40684  Hesperocyparis macnabiana Carl B. Wolf, E. R. Johnson 1934-10-18 Sonoma Head of Hooker Canyon, 4.7 miles east of Sonoma-Kenwood Road 550 Comment
  UC1212264  Hesperolinon micranthum Helen K. Sharsmith 1947-5-30 3965 Sonoma s slope of mountain near Grant line; Inner North Coast Ranges, Hood Mountain 243 Comment
  POM8863  Hesperolinon micranthum Michener, Bioletti 1893-06 1411 Sonoma Hoods Peak. Comment
  RSA151834  Hesperolinon micranthum H. K. Sharsmith 1947-5-30 3965 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  JEPS27962  Hesperolinon spergulinum Rimo Bacigalupi and L. R. Heckard 1961-6-9 7745 Sonoma along Stoetz Lane about 1/2 mi nw junction with Harrison Grade road (about 3/4 mi nw of Occidental School) 228 Comment
  JEPS82314  Hesperolinon spergulinum Roger Raiche 1983-6-19 30411 Sonoma The Cedars; slopes of Red Slide Creek 243 Comment
  UC1212384  Hesperolinon spergulinum Helen K. Sharsmith 1947-5-30 3967 Sonoma 2 mi e Occidential (Harrison Grade); Inner North Coast Ranges 213 Comment
  UC1212400  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UC1212387  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4126 Sonoma n of Pine Flat (slopes above Florence Creek); Inner North Coast Ranges, Mayacamas Mountains, Florence Cree 670 Comment
  JEPS128257  Heterotheca oregona var. rudis Roger Raiche 2000-9-2 148 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC420941  Heuchera micrantha var. diversifolia Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Rd. 9 miles east of Stewarts POint Comment
  SDSU9530  Heuchera pilosissima D. F. Howe 1966-6-2 4262 Sonoma 0.5 mile S of Bodega Bay. Comment
  UCSB2552  Heuchera pilosissima Keator, Glenn 1959-4-1 Sonoma 1.5 miles north of Fort Ross Monument on Highway 1 Comment
  CAS-BOT-BC319704  Hieracium albiflorum D. E. Breedlove 1980-6-28 44817 Sonoma Pepperwood Ranch W of Knights Valley Comment
  SEINET11842956  Hieracium albiflorum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -165 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 330 Comment
  UC16300  Hoita macrostachya Alice King June, 1897 Sonoma Healdsburg Comment
  RSA0009726  Hoita macrostachya Marcus E. Jones 1931-7-5 28969 Sonoma West of Cloverdale. Comment
  UCD164989  Hoita macrostachya Peter Rubtzoff; Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 miles south of junction with Sonoma Mountain Road (2.7 miles north of Lichau Road junction). Comment
  UC16310  Hoita orbicularis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  POM205900  Holcus lanatus Jos Burtt Davy 1896-07 12201 Sonoma Near Guerneville. Comment
  UC65194  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Santa Rosa Comment
  UCD84981  Holcus lanatus H. S. Yates 1937-5-30 6538 Sonoma 1.5 miles NNE of Graton. 30 Comment
  UCR121478  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 2000-6-18 5698 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  JEPS128300  Holodiscus discolor Roger Raiche 2010-6-16 020 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC990581  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  UC1002647  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Ranch, Kenwood Coney Lake 365 Comment
  SEINET258713 Image available Hordeum brachyantherum M. Barkworth, D Amme 1989-6-15 5174 Sonoma South end of Bodega Head on restored grassland. 81 Comment
  SEINET249774 Image available Hordeum californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile east of Occidental. Comment
  UC573679  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-5-16 5601 Sonoma 2 mi se Forestville; Sebastopol Quad. 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
  SEINET4670535  Hordeum murinum subsp. leporinum V. Longozo 1999-4-19 s.n. Sonoma Bodega Bay Highway 0 Comment
  JEPS44586  Horkelia californica Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  SDSU9065  Horkelia californica D. F. Howe 1963-8-1 3653 Sonoma 2.2 miles north of Jenner on #1. 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
  UC1085322  Horkelia tenuiloba J. Powell 1957-5-25 Sonoma 4 mi w Plantation Comment
  UC766414  Horkelia tenuiloba Robert F. Hoover 1941-6-7 5301 Sonoma Molino-Occidental Rd Comment
  CAS-BOT-BC55497  Hornungia procumbens John Thomas Howell 1934-3-25 11781 Sonoma Cuttings Wharf on Napa River. Comment
  UCD128230  Hydrocotyle ranunculoides David E. Bayer 1960-9-29 s. n. Sonoma Santa Rosa. Comment
  UCSB4120  Hypericum anagalloides Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; NW of Sebastopol; 1 mi north of Sousa Corners 60 Comment
  CAS-BOT-BC400993  Hypericum anagalloides Milo S. Baker 1927-6-19 2216 a Sonoma Hood Mountain. In Macartney's woods Comment
  CAS-BOT-BC410825  Hypericum concinnum D. E. Breedlove 1980-6-28 44803 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC410820  Hypericum concinnum Volney Rattan 1877-1-1 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC410822  Hypericum concinnum Alice Eastwood 1913-6-5 4575 Sonoma Petrified Forest Comment
  JEPS36533  Hypochaeris glabra M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Guerneville; Russian River Comment
  UC1301036  Hypochaeris radicata Helen K. Sharsmith 1963-5-25 5482 Sonoma on road from Freestone to Occidental; San Francisco Bay Region 121 Comment
  CAS-BOT-BC316716  Hypochaeris radicata Carl B. Wolf 1927-9-2 1347 Sonoma 2 miles south of Anchor Cove Comment
  UC571178  Iris douglasiana H. L. Mason Jun 1930 5662 Sonoma Mouth of Gualala River 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
  SEINET12050753  Iris douglasiana F. H. Utech 1988-1 88 -183 Sonoma 0.15 mi SE from East Avenue junction with Bohemian Road on latter 140 Comment
  UCD138705  Iris douglasiana J. J. Dunning 1963-5-12 s.n. Sonoma beside Coleman Valley Road (between State Highway 1 and Occidental), ca. 2-3 miles east of State Highway 1. Comment
  RSA137361  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17107 Sonoma To Mark West Springs and Santa Rosa to Kellogg and Petrified Forest 76 Comment
  CAS-BOT-BC133676  Iris longipetala Peter Rubtzoff 1957-5-11 3339 Sonoma Occidental Marsh Comment
  RSA135848  Iris macrosiphon E. K. Balls, Lee W. Lenz 1951-5-10 16537 Sonoma 0.7 miles south of Mendocino-Sonoma County line on Highway 28 Comment
  SEINET7883381 Image available Iris macrosiphon Laura Zeller 1965-1 2 Sonoma Ca. 1.5 miles E of Highway 12 on Cavedale Road 198 Comment
  CAS-BOT-BC376226  Isoetes Greg de Nevers 1993-2-14 10312 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Bald Hills 304 Comment
  UCD150855  Isoetes howellii Ayzik Solomescsh 2009-5-14 s.n. Sonoma Sonoma County, 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated in Google Earth by label maker. 22 Comment
  CAS-BOT-BC368087  Isoetes howellii Greg de Nevers 1998-3-20 11220 Sonoma Cresta Ranch, Mark West Creek Comment
  CAS-BOT-BC61920  Isoetes nuttallii John Thomas Howell; Catherine Best 1981-4-2 53932 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, Sonoma Mt. east of Cotati Comment
  CAS-BOT-BC112414  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh near Forestville: Lower part of the Upper Marsh. Comment
  SEINET11750612  Isolepis carinata H. K. Wagnon 1989-1 1871 Sonoma Ocean Bluff, Salt Pt. State Park 0 Comment
  CAS-BOT-BC112568  Isolepis cernua Peter Rubtzoff 1954-8-3 1635 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC112577  Isolepis cernua Marcus Eugene Jones 1882-7-17 s.n. Sonoma Duncan Mills Comment
  SD134076  Isolepis cernua Peter Rubtzoff 1955-7-31 2015 Sonoma Forestville Marsh, marshy to wet, partially shaded ground. (IPB 11/07) Comment
  CAS-BOT-BC340225  Jaumea carnosa Peter Rubtzoff 1962-7-14 5001 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC340232  Jaumea carnosa Roxana S. Ferris 1937-8-18 9372 Sonoma Near mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC340230  Jaumea carnosa W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  UCD166263  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles East of Guerneville, along Russian River at Forest Hills. Comment
  CAS-BOT-BC101889  Juglans californica Peter Rubtzoff 1986-8-31 9736 Sonoma On river bank off Summerhome Park Road 0.2 mile west of Forest Hills Road Comment
  SBBG61589  Juglans hindsii R. Hartwell 1938-8-2 Sonoma Russian River, Healdsburg Comment
  CAS-BOT-BC109884  Juncus Peter Rubtzoff 1974-10-20 7938 Sonoma Hinebaugh Creek in Rohnert Park.Creek east of Commerce Blvd. Comment
  CAS-BOT-BC157995  Juncus Peter Rubtzoff 1968-6-25 5906 Sonoma Lichan Marsh Comment
  CAS-BOT-BC164647  Juncus Peter Rubtzoff 1964-7-29 5457 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC164032  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6224 Sonoma Sonoma: Five miles north of Sears Point Comment
  SD40344  Juncus bufonius Edith A. Purer 1932-7-24 4083 Sonoma Near Bodega Bay, stabilized dunes. 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
  UCD141497  Juncus effusus P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  SEINET5586469  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-1 5920 Sonoma Upper Salmon Creek Marsh. Comment
  UCR279617  Juncus effusus var. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC245808  Juncus hemiendytus var. hemiendytus Alice Eastwood; John Thomas Howell 1940-5-5 7865 Sonoma Summit of Bennett Valley Road Comment
  CAS-BOT-BC164035  Juncus hesperius Peter Rubtzoff 1968-7-13 5919 Sonoma Sonoma: upper Salmon Creek Marsh Comment
  POM111129  Juncus lescurii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  JEPS67108  Juncus occidentalis W. L. Jepson 1921-6-2 9299 Sonoma w of Windsor Comment
  RSA128807  Juncus occidentalis Peter H. Raven 1950-4-23 1914 Sonoma Solne Vista. 152 Comment
  UCD141633  Juncus occidentalis Mary M. Hektner 1976-12-15 280 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA22504  Juncus patens D. G. Kelch 2003-7-14 3 .381 Sonoma Cavedale Road. Comment
  UC1026490  Juncus patens Peter Rubtzoff 1951-7-21 518 Sonoma s of Upper Marsh (near Forestville); Pitkin Marsh Comment
  SEINET12327556  Kickxia elatine W. Knight, Knight, I.; Edwards, S. W. 1984-1 5044 Sonoma Willow Creek between Denman Flat & Corona Rd, near Petaluma Comment
  UCR254875  Koeleria macrantha Peter Rubtzoff 1964-6-6 5357 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg 61 Comment
  UC903716  Koeleria macrantha Milo S. Baker 1947-5-7 11733 Sonoma 2 mi n Kenwood (above house at Maplewood); n of Kenwood Comment
  UC1299463  Lactuca saligna Freed W. Hoffman 1946-8-23 797 Sonoma Comment
  UC33061  Lagophylla ramosissima Alice King 1896-9-1 Sonoma Healdsburg Comment
  UCD63259  Lagurus ovatus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 28 A Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. 30 Comment
  UCD63265  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  UCD63321  Lamarckia aurea Freed W. Hoffman 1941-4-25 2239 Sonoma Luttrell Ranch, near Guerneville. Comment
  CAS-BOT-BC486685  Lamiaceae Peter Rubtzoff 1957-6-28 3374 Sonoma Duncans Mills Marsh 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
  JEPS86746  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1029 Sonoma 1.25 mi nw old Windsor (Kidd Development) 41 Comment
  UC353935  Lasthenia burkei Milo S. Baker 1928-4-16 2973 d Sonoma Hi<gh>way a few mi n of Winsor Comment
  JEPS1129021  Lasthenia californica Dean W. Taylor 1994-5-4 14217 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road 249 Comment
  JEPS9909  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Comment
  CAS-BOT-BC355536  Lasthenia glaberrima J. Penalosa 1961-5-24 1601 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC355526  Lasthenia glaberrima Peter Rubtzoff 1972-4-25 6734 Sonoma Vernal pool 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  POM52107  Lasthenia macrantha subsp. bakeri Katherine Brandegee 1905-6-27 s.n. Sonoma From Bodega to Bodega Bay, on west side of stream, crossed by road before turning north Comment
  CAS-BOT-BC370899  Lasthenia minor Peter Rubtzoff 1960-5-18 4376 Sonoma Bodega Head Marsh. Comment
  RSA8459  Lasthenia minor Roxana S. Ferris 1932-5-27 8256 Sonoma Northern end of Bodega Bay. Comment
  CAS-BOT-BC164396  Lathyrus Peter Rubtzoff 1974-8-31 7851 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164693  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  JEPS86809  Lathyrus Jack and Betty Guggolz 1991-5-20 1140 Sonoma 97 Comment
  UCD33093  Lathyrus sphaericus Beecher Crampton 1966-5-10 7723 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UCD33238  Lathyrus tingitanus Beecher Crampton 1967-5-15 7934 Sonoma Sonoma County, 1 mile N.E. of Cloverdale, US Hwy. 101. Comment
  SBBG3372  Lathyrus vestitus H. and M. Dearing 1939-4-28 3219 Sonoma near Fairfax Comment
  POM17270  Lathyrus vestitus subsp. vestitus A. A. Heller, H. E. Brown, A. H. Heller 1902-3-10 8256 Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC323259  Layia chrysanthemoides Alice Eastwood 1921-5-8 10447 Sonoma Petaluma Comment
  UC1537075  Layia chrysanthemoides Gordon H. True Jr. 1938-4-13 862 Sonoma near Sonoma 60 Comment
  UC584225 Image available Layia chrysanthemoides J. Clausen 1935-5-24 1090 Sonoma 6.2 mi s Jenner (at a little bay); ; S of Jenner, Sonoma Co. Comment
  JEPS24288  Layia chrysanthemoides G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3973 Sonoma along shallow drainage ditch by State Highway 37 (about .5 mi e of big Bend and .25 mi w of Sonoma Creek crossing); Sonoma Valley 3 Comment
  UC57867  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  CAS-BOT-BC210117  Leersia Peter Rubtzoff 1969-8-27 6163 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC274360  Leersia oryzoides Peter Rubtzoff 1961-10-18 4772 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  CAS-BOT-BC274362  Leersia oryzoides Peter Rubtzoff 1963-9-28 5285 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg. Along Russian River margin Comment
  CAS-BOT-BC274365  Leersia oryzoides Greg de Nevers 1992-6-26 10191 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. Franz Creek 91 Comment
  UCD148508  Leersia oryzoides Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  UCD166137  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  CAS-BOT-BC210095  Lemna Peter Rubtzoff 1974-4-6 7349 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC210101  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. Comment
  UCD148504  Lemna Peter Rubtzoff 1965-11-9 5668 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC527253  Lemna gibba Peter Rubtzoff 1961-8-6 4674 Sonoma Americano Creek 1/2 mile east of Valley Ford, Sonoma County Marshes Comment
  UCR256957  Lemna minor Peter Rubtzoff 1954-8-13 1710 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC527288  Lemna minuta Mary P. Wells 1984-8-9 437 Sonoma Sagpond near airstrip, Timber Ridge Road, The Sea Ranch Comment
  UCR256958  Lemna valdiviana Peter Rubtzoff 1958-8-23 3899 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  CAS-BOT-BC339168  Leontodon saxatilis subsp. saxatilis R. E. Frenkel 1964-6-23 612 Sonoma On California Hwy. 1, 2.3 miles south of Stewarts Point 18 Comment
  CAS-BOT-BC89146  Lepidium didymum Peter Rubtzoff 1987-10-17 9870 Sonoma Russian River at Forest Hills, 5.5 mile east of Guerneville, 9981 Old River Road near Forest Hills Road junction. Comment
  CAS-BOT-BC89149  Lepidium didymum Alice Eastwood 1915-6-29 4866 Sonoma Bodega Point. Comment
  CAS-BOT-BC89740  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  CDA3806  Lepidium latifolium T. C. Fuller 1958-10-16 1480 -58 Sonoma North side Highway 48, 5 miles east of Sears Point. 0 Comment
  HSC6827  Lepidium nitidum R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1342 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Comment
  UC72927  Lepidium nitidum Milo S. Baker 1898-2-19 714 Sonoma ne of Santa Rosa Comment
  JEPS88953  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  UCD161263  Leptosiphon acicularis James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3708 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC376243  Leptosiphon androsaceus Greg de Nevers 1992-4-28 10117 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  UCD55150  Leptosiphon androsaceus Ellen Dean; Tammie Beyerl 2006-4-28 3032 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 260 Comment
  RSA67007  Leptosiphon androsaceus E. K. Balls 1951-5-10 16536 Sonoma 0.3 miles south of Mendocino-Sonoma Co. line on Hwy 28. 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
  JEPS127611  Leptosiphon jepsonii Estelle P. Clifton 2016-4-14 Sonoma 4611 Porter Creek Road, Santa Rosa Comment
  UCD55148  Leptosiphon jepsonii Ellen Dean; Tammie Beyerl 2006-4-28 3030 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 254 Comment
  CAS-BOT-BC376427  Leptosiphon parviflorus Greg de Nevers 1995-6-3 10745 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Road to Weimar Flat. 400 Comment
  CAS-BOT-BC324188  Lessingia hololeuca W. Spence 1960-9-13 630 Sonoma 2 miles south of Monte Rio on road to Camp Meeker and Occidental Comment
  JEPS20604  Lessingia hololeuca J. Burtt Davy 1897-9-18 4031 Sonoma between San Rafael and Petaluma Comment
  CAS-BOT-BC324191  Lessingia hololeuca Catherine Best 1981-8-23 s.n. Sonoma On Stoltz lane, 2 miles east of Occidental Comment
  CAS-BOT-BC342001  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  CAS-BOT-BC283528  Leymus X vancouverensis Alice Eastwood 1915-6-29 4876 Sonoma Bodega Point Comment
  UCD92470  Leymus X vancouverensis Peter Rubtzoff 1960-10-29 4583 Sonoma Bodega Harbor Marsh. Comment
  JEPS116507  Leymus californicus Peter Warner 2009-6-3 104 Sonoma Poff Ranch, along N unfenced boundary, adjacent to or on Willow Creek (Calif. State Parks Property), upper east Pomo Canyon, along logging road 130 Comment
  CAS-BOT-BC376267  Lilaea scilloides Greg de Nevers 1992-6-16 10162 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Weimar Pond 304 Comment
  CAS-BOT-BC451703  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  UC1084423  Lilium maritimum G. Thomas Robbins 1938-6-23 267 Sonoma ca 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
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Dec 13 2006
  CAS-BOT-BC130692  Lilium occidentale Peter Rubtzoff 1951-6-7 133 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC130695  Lilium occidentale Peter Rubtzoff 1951-8-18 633 Sonoma Western branch of the Upper Marsh Comment
  UC1191232  Lilium occidentale Herbert L. Mason 1946-7-4 12893 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
Read comments
Dec 13 2006
  CAS-BOT-BC130834  Lilium pardalinum Peter Rubtzoff 1955-7-17 1971 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC110616  Limnanthes Charles Piper Smith 1908-4-1 1383 Sonoma Petaluma. Base of hills on east side of valley. Comment
  OBI12591  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma 24 Comment
  RSA215898  Limnanthes douglasii Peter Rubtzoff 1955-5-21 1875 Sonoma Ross Marsh. Comment
  RSA215939  Limnanthes douglasii subsp. douglasii Peter Rubtzoff 1966-4-30 5684 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  UC635629  Limnanthes douglasii subsp. nivea H. L. Mason 1928-4-8 4299 Sonoma near Sebastopol Comment
  CAS-BOT-BC45951  Limnanthes vinculans John Thomas Howell 1947-6-5 23233 Sonoma Cunningham Marsh 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
  JEPS86816  Limnanthes vinculans Jack and Betty Guggolz 1991-5-14 1136 Sonoma s Lone Pine Road (w of Hwy 116) 27 Comment
  UC1331758  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 mi from Hwy. 116 (0.6 mi from Llano Road); ; Todd Road, near Llano Road, Sonoma Co. Comment
  UC1925911  Limonium californicum Ethel Crum 1930-10-5 869 Sonoma Petaluma Marshes, Sonoma County to Rio Vista, Solano County. Comment
  CAS-BOT-BC251274  Limosella Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC258914  Limosella Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UCD166114  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  UC880307  Linanthus Alice Eastwood and John Thomas Howell 1938-5-15 5508 Sonoma near Mark West Springs Comment
  UC907791  Linanthus androsaceus Milo S. Baker 1926-1-1 3851 Sonoma 1 mi e Bodega Bay (Bodega Bay road) Comment
  UC907840  Linanthus bicolor Milo S. Baker 1898-1 Sonoma Bodega Bay Region Comment
  UC907842  Linanthus bicolor Herbert L. Mason 1943-4-16 12569 Sonoma about 10 mi above Sonoma Comment
  UC70407  Linanthus grandiflorus Milo S. Baker 1899-6-24 Sonoma near Valley Ford Comment
  UCD110567  Linum bienne Beecher Crampton 1959-6-16 5390 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  SEINET12186036  Linum micranthum W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4754 Sonoma The Cedars, near Cazadero, Twitchell Ranch 244 Comment
  UCD81453  Lithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  SEINET8724410 Image available Lithocarpus densiflorus L. Fallon 1939-1 s.n. Sonoma 15 miles west of Santa Rosa. Comment
  CAS-BOT-BC430797  Lithophragma affine Mrs. Clara Hunt 1921-4-1 s.n. Sonoma St. Helena Comment
  CAS-BOT-BC435673  Lithophragma heterophyllum G. de Nevers 1993-3-24 10334 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Canyon 304 Comment
  UC1299676  Lithophragma heterophyllum Freed W. Hoffman 1947-5-31 1859 Sonoma Chimney Rock near Monte Rio; North Coast Ranges, Chimney Rock near Monte Rio Comment
  JEPS128242  Logfia filaginoides Roger Raiche 2000-5-4 077 .00 Sonoma The Cedars. Promentory, Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC342494  Logfia gallica Barbara Keller 1990-4-30 2037 Sonoma On Coleman Valley Rd. 6 miles west of Occidental Comment
  UC505686  Lolium multiflorum C. R. and B. S. Ball 1933-5-30 2509 Sonoma Bodega Bay; on Bodega Bay Comment
  UCD66009  Lolium multiflorum James Holleman 1959-5-12 Sonoma 1 mile west of Duncan Mills. Comment
  CAS-BOT-BC283293  Lolium multiflorum David L. Morgan 1961-5-17 s.n. Sonoma Watkins Ranch, 0.25 mile NW of Penngrove Comment
  UCD66406  Lolium perenne Beecher Crampton 1959-6-16 5372 Sonoma 0.2 miles E of Occidental. Comment
  UCD66314  Lolium perenne David L. Morgan 1956-4-2 Sonoma 2 mi. W of Petaluma on the 'D' St. extension Rd. Comment
  UCD84596  Lolium perenne Frederica Bowcutt 1996-5-24 2162 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  SEINET7040128  Lomatium dasycarpum A. G. Vestal 1962-3-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  SEINET8465377 Image available Lomatium dasycarpum Lincoln Constance 1953-4-4 Sonoma Mark West road, 1 mile southwest of Petrified Comment
  UCD127044  Lomatium dasycarpum subsp. dasycarpum Frederica Bowcutt 1994-5-21 1806 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail, approx. 3/8 mile from trailhead. 1300 Comment
  SD130504  Lomatium macrocarpum F. Almeda, G. DeNevers 1981-4-28 4905 Sonoma Pepperwood Ranch, ca. 1/2 mile from main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Road. Comment
  UC1299237  Lomatium marginatum var. purpureum Freed W. Hoffman 1949-6-5 3212 Sonoma Lincoln Rock, on Lake County--Pine Flat road North Coast Ranges 685 Comment
  CAS-BOT-BC361356  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  JEPS112769  Lomatium utriculatum Dean W. Taylor 1994-5-4 14213 Sonoma Ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UCD136302  Lomatium utriculatum M. Rei Scampavia Evangelista 2012-5-4 4 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 260 meters. 408 Comment
  CAS-BOT-BC240641  Lonicera hispidula Greg de Nevers 1987-7-10 8235 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 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
  UCD160831  Lonicera interrupta James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3365 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  POM46734  Lonicera involucrata A. A. Heller 1902-6-11 5690 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  RSA633341  Lonicera involucrata Michael A. Vincent, Ethan H. Freid 1998-4-8 8173 Sonoma Bodega Bay; 0.5 mile NE of city limits along Rt. 1. Comment
  UCSB8735  Lonicera involucrata Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna Road and College Road on Laguna Road and 5.1 miles north of Sebastopol, Vinehill area Comment
  CAS-BOT-BC244009  Lonicera involucrata var. ledebourii Peter Rubtzoff 1964-6-3 5345 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC376250  Lotus Greg de Nevers 1992-6-26 10181 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  RSA0020336  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park, creek bed west of Commerce Blvd. crossing. Comment
  RSA234558  Lotus angustissimus Peter Rubtzoff 1967-8-28 5869 Sonoma Lower Salmon Creek Marsh. Comment
  UCD106698  Lotus angustissimus Frederica Bowcutt 1984-6-23 429 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  UCD106701  Lotus angustissimus Robert E. Preston 2000-8-2 1427 Sonoma Ca. 2.5 mi NNE of Fort Ross, Seaview. 381 Comment
  JEPS55455  Lotus formosissimus Robert Percy Brandt 1915-5-18 Sonoma Del Mar Comment
  SEINET11071689 Image available Lotus formosissimus A. A. Heller 1902-4-18 5332 Sonoma near Windsor Comment
  JEPS30832  Lotus heermannii Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8588 Sonoma ne of Bodega Head (oppoiste spit of Doran Beach); Bodega Bay Comment
  UC1299177  Lotus humistratus Freed W. Hoffman 1947-7-30 1415 Sonoma near Guerneville (Great Eastern Qucksilver Mines); North Coast Ranges Comment
  UC864836  Lotus micranthus Lewis S. Rose 1940-5-5 40265 Sonoma Sonoma Creek Canyon 304 Comment
  SEINET7042389  Lotus micranthus A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC1057479  Lotus oblongifolius var. oblongifolius G. Thomas Robbins 1937-5-23 215 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  UC864759  Lotus purshianus var. purshianus Lewis S. Rose 1938-9-11 38255 Sonoma Bloomfield 30 Comment
  UC80761  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hoods Peak Comment
  UCD165773  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC478122  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  UCD65846  Ludwigia hexapetala B. J. Grewell 2006-8-23 06- 48 -LU Sonoma Russian River watershed, Russian River at summer water crossing, Asti. Collection immediately downstream of summer bridge, west bank. 64 Comment
  UCD66042  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 26 -LU Sonoma Lake Wilson, Sonoma County Riverfront Park sw of Windsor, Eastside Road. 16 Comment
  CAS-BOT-BC251206  Ludwigia palustris Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC258924  Ludwigia palustris Peter Rubtzoff 1958-7-19 3758 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA800128  Ludwigia palustris Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC251279  Ludwigia palustris Peter Rubtzoff 1955-7-16 1961 Sonoma Bennett Mountain Lake. Comment
  RSA800587  Ludwigia palustris var. pacifica Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC164056  Ludwigia peploides Peter Rubtzoff 1956-9-15 2911 Sonoma Atascadero Creek Marsh Comment
  POM83510  Ludwigia peploides subsp. peploides Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  CAS-BOT-BC320570  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
  RSA735208  Lupinus Keith E. Hoffmaster 1946-3-9 1092 Sonoma near Bodega. Comment
  UC905105  Lupinus albifrons Milo S. Baker 1947-4-16 11686 Sonoma cliffs at junction of Mark West Road and one from Rincon Summit; cliffs at jct of Mark West Rd and one fr Rincon Summit Comment
  UC157780  Lupinus albifrons H. P. Chandler 1907-4-21 7530 Sonoma road from Glen Ellen to Oakville; rd fr Glen Ellen to Oakville Comment
  CAS-BOT-BC195973  Lupinus albifrons var. albifrons Milo S. Baker 1934-1-1 9481 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC195980  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood Comment
  CAS-BOT-BC195982  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 mi. west along Guerneville road Comment
  CAS-BOT-BC195985  Lupinus albifrons var. albifrons Peter H. Raven 1951-4-22 2788 Sonoma E. of Agua Caliente Comment
  UCD106015  Lupinus albifrons var. albifrons Frederica Bowcutt 1996-5-24 2158 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/Rattlesnake Creek confluence on small knoll. 381 Comment
  UC1197261  Lupinus bicolor Joseph P. Tracy 1933-5-1 12127 Sonoma Knight's Valley 152 Comment
  UC73239  Lupinus bicolor Miss M. Alice King May 1897 Sonoma near Healdsburg; near Healdsburg Comment
  SEINET12165191  Lupinus bicolor F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -178 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  POM66231  Lupinus densiflorus var. densiflorus Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma Comment
  UC15856  Lupinus formosus Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  SEINET10543866 Image available Lupinus formosus subsp. formosus A. Arthur Heller 1940-4-22 Heller 15546 Sonoma Anderson Valley in clay soil in a field in the oak belt of the Upper Sonoran Life Zone. Comment
  UC1084419  Lupinus formosus var. formosus G. Thomas Robbins 1937-5-23 184 Sonoma between Santa Rosa and Sebastopol near Wright School Comment
  RSA372144  Lupinus formosus var. formosus David B. Dunn, M. L. Conrad, LeDoux 1973-6-9 20712 Sonoma 5.3 miles east of the junction of Highway 101 and Highway 116 on 116. Comment
  CDA36829  Lupinus latifolius 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
  OBI39569  Lupinus latifolius F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-16 84 -084 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.5 mi N on Cavedale Rd from jctn 152 Comment
  SD255743  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 17 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 259 Comment
  UCD108123  Lupinus latifolius Freed W. Hoffman 1947-4-3 886 Sonoma Road to Austin Ranch, near Guerneville. Comment
  UCR143605  Lupinus littoralis G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  SEINET12165195  Lupinus micranthus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -189 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 630 Comment
  UC726073  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma between Shellville and Petaluma; between Shellville and Petaluma Comment
  OBI81777  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1418 Sonoma Roadside, D St. (Petaluma-Reyes Rd) 1.4 mi S Petaluma Blvd in Petaluma Comment
  UC865334  Lupinus microcarpus var. microcarpus Marcus E. Jones, A. M. 1882-7-17 3329 Sonoma Duncan's Mills Comment
  UC1129626  Lupinus nanus B. Schreiber 1936-3-5 2212 Sonoma 2 mi wnw Mark West Springs; Healdsburg Quad., wnw of Mark West Springs 121 Comment
  UC65702  Lupinus nanus A. A. Heller 1902-3-21 5115 Sonoma Santa Rosa Comment
  UCD151181  Lupinus nanus James A. Neilson Jr. 1974-4-16 3114 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  SEINET10451627  Lupinus nanus subsp. nanus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7083 Sonoma On n-facing grassy clay bank, .6 mi w of sonoma-napa co line on hwy 121. 61 Comment
  UC865365  Lupinus pachylobus Alice Eastwood 1918-5-1 6844 Sonoma Mt. St. Helena Comment
  RSA51315  Lupinus polycarpus Peter H. Raven 1950-4-6 1560 Sonoma Cotati to Santa Rosa. 30 Comment
  JEPS83726  Lupinus tidestromii R. Raiche 1988-4-10 80068 Sonoma Goat Rock State Park mouth of the Russian River (dune area nr parking lot at mouth of the Russian River); , Goat Rock State Park 4 Comment
  SEINET11091427 Image available Lupinus variicolor Mrs. H. C. Cantelow 1941-6-7 Sonoma 1.6 miles south of Jeuner State Hy I Comment
  CAS-BOT-BC210028  Luzula Peter Rubtzoff 1962-5-11 4818 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) Comment
  UC1534065  Luzula macrantha Carol Conner 1980-3-12 21 Sonoma 2 mi south of Glen Ellen and 1/2 mi northeast of Josephine Lake 91 Comment
  RSA0018586  Lythrum Peter Rubtzoff 1970-10-24 6416 Sonoma At Presidio Blvd. and Barnard Avenue, Presidio. Comment
  UC1122875  Lythrum hyssopifolia H. S. Yates 1936-5-16 5599 Sonoma 2 mi se of Forestville (Pitkin Marsh); Pitkin Marsh 30 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
  RSA0015995  Lythrum hyssopifolia Peter Rubtzoff 1956-9-15 2904 Sonoma Atascadero Creek Marsh. Comment
  JEPS77886  Madia elegans Edward Lee 1934-4-30 751 Sonoma 1 mi w 2 Rock junction Comment
  CAS-BOT-BC344049  Madia elegans Helen D. Geis 1902-8-1 581 Sonoma Cloverdale Comment
  POM215201  Madia elegans subsp. densifolia D. D. Keck 1933-11-6 2646 Sonoma 1 mile north of Freestone on road to Occidental Comment
  SD254541  Madia exigua Ann Howald, Christina Freeman 2015-1-1 3414 Sonoma Inner North Coast Ranges: Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails (Kenwood 7.5'Q) 370 Comment
  CAS-BOT-BC166723  Madia gracilis Peter Rubtzoff 1962-6-13 4894 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC166733  Madia gracilis Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC343460  Madia gracilis G. DeNevers 1981-5-23 1275 Sonoma Pepperwood Ranch Comment
  POM261213  Madia gracilis subsp. gracilis L. S. Rose 1940-5-22 40370 Sonoma Sonoma 30 Comment
  POM225355  Madia sativa J. T. Howell 1932-9-18 10765 Sonoma South base of Mt. Hood, on Sonoma Creek Comment
  UCSB708  Maianthemum racemosum Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits of Camp Meeker Comment
  SD88309  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Road. Comment
  CAS-BOT-BC511498  Maianthemum stellatum John Thomas Howell 1924-3-23 298 Sonoma Camp Meeker Comment
  CAS-BOT-BC361402  Malva nicaeensis Greg de Nevers; Steve Ehret 1994-5-20 10523 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  UC18749  Malva sylvestris J. Burtt Davy July, 1896 2964 Sonoma Russian River near Guerneville; Russian River Comment
  UCD160870  Marah James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3280 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC348219  Matricaria discoidea Peter Rubtzoff 1972-5-25 6773 Sonoma Laguna, Chileno Valley Comment
  HSC6011  Matricaria discoidea S. N. Wiemeyer 1962-4-20 26 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD134584  Matricaria discoidea Gerry North 1993-4 23 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. South of Hillside Trail, at fork by water tank. 426 Comment
  RSA719881  Matricaria matricarioides Linda E. Watson 1996-5-19 96 3 A Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  CAS-BOT-BC268100  Medicago Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7804 Sonoma Kenwood Marsh. Comment
  UCD164980  Medicago Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7804 Sonoma Kenwood Marsh. Comment
  UCD107846  Medicago polymorpha P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC269517  Melica californica A. A. Heller 1902-4-4 5315 Sonoma Hills near Santa Rosa Comment
  UCD87214  Melica californica R. Tofsrud 1941-4-1 295 Sonoma S.R. Creek Cy. Comment
  CAS-BOT-BC281273  Melica geyeri Peter Rubtzoff 1952-6-10 1202 Sonoma NE slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC281285  Melica geyeri Catherine Best 1981-5-2 s.n. Sonoma Bohemian Highway 3.5 miles N of Occidental Comment
  UC1132265  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  CAS-BOT-BC281280  Melica geyeri David L. Morgan 1961-4-17 s.n. Sonoma On Bohemian Highway, 3 miles N of Occidental Comment
  CAS-BOT-BC281282  Melica geyeri K. Wagnon 1939-4-10 167 Sonoma About 1 mile N of Sturgeon's Mill Comment
  POM204773  Melica harfordii W. C. Blasdale, Jos Burtt Davy 1899-7-22 6001 Sonoma Guerneville. Comment
  CHSC33997  Melica torreyana J. D. Prouty 1980-4-12 859 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi W of junction with Petrified Forest Road. 256 Comment
  RSA31166  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  UCD88809  Melica torreyana E. Armstrong 1934-3-26 912 Sonoma 3 mile N.W. of Camp Meeker. 121 Comment
  SACT001559  Melica torreyana M. Wiesendanger 1927-5-5 Sonoma Comment
  UCD89206  Melica torreyana R. Tofsrud 1942-4-1 299 Sonoma Wooded hill between S.R. and County farm. Comment
  UCD81449  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma Sonoma. Comment
  UCD148385  Mentha canadensis Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  UC104585  Mentha pulegium W. E. Bryant July 1887 Sonoma Healdsburg Comment
  UC1239694  Mentha pulegium Joseph P. Tracy 1947-10-6 17937 Sonoma along Mayacama Creek (w of Knights Valley); along Mayacama Creek, w of Knights Valley 152 Comment
  UCD125174  Mentha pulegium F. L. Griffin Date unknown s.n. Sonoma exact location unknown. Comment
  CAS-BOT-BC164710  Mentha rotundifolia Peter Rubtzoff 1973-8-28 7276 Sonoma Upper Green Valley Marsh. Comment
  RSA784401  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164703  Mentha spicata Peter Rubtzoff 1975-8-28 8360 Sonoma Kenwood Marsh. Comment
  UCD148320  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  RSA534492  Mentzelia laevicaulis Peter Rubtzoff 1961-8-26 4724 Sonoma Vacation Beach, 2 mi. below Guerneville. Russian River bottom. Comment
  UCD102803  Micranthes californica Frederica Bowcutt 1996-3-24 2092 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  UCR261616  Micranthes californica Ann Howald 2003-3-8 2275 A Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, ca. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  CAS-BOT-BC429004  Micranthes fragosa Milo S. Baker 1927-3-1 2737 d Sonoma Golf Club Links. Comment
  RSA201428  Micropus amphibolus J. T. Howell 1965-3-25 s.n. Sonoma 3 miles southeast of Sonoma 76 Comment
  RSA52653  Micropus californicus var. californicus I. L. Wiggins 1949-4-30 12069 Sonoma 4 miles W of Calistoga, just W of country line. Comment
  SEINET11806893  Micropus californicus var. californicus F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -090 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.2 mi N on Cavedale Road 244 Comment
  CAS-BOT-BC349106  Microseris douglasii subsp. tenella Alice Eastwood 1921-5-8 10446 Sonoma Petaluma Comment
  CAS-BOT-BC322705  Microseris laciniata Volney Rattan May and June s.n. Sonoma North of Cloverdale Comment
  CHSC34598  Microsteris gracilis Jeffrey D. Prouty 1979-4-11 220 Sonoma Ca. 7 mi n of Santa Rosa.Ca. 100 yds w of Mark West Springs Rd., ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  CAS-BOT-BC311868  Mimulus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head Marsh. Comment
  RSA0025392  Mimulus Peter Rubtzoff 1972-5-25 6764 Sonoma Laguna, Chileno Valley. Comment
  RSA0025393  Mimulus Peter Rubtzoff 1970-6-21 6271 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 mi west of Fulton. Comment
  RSA0025401  Mimulus Peter Rubtzoff 1954-6-20 1513 Sonoma Guerneville Marsh. Comment
  JEPS76922  Mimulus aurantiacus var. aurantiacus Robert M. Lloyd 1963-2-24 2057 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  OBI9498  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1944-5-11 5454 Sonoma Along road to Oakville from Kenwood Comment
  UC444799  Mimulus cardinalis Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  JEPS86943  Mimulus congdonii David M. Thompson 1989-4-4 994 Sonoma ca. 3 air mi e 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) 180 Comment
  JEPS128246  Mimulus guttatus Roger Raiche 2000-5-27 109 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA0040389  Mimulus guttatus Peter Rubtzoff 1954-7-29 1606 Sonoma Gerneville Marsh. Comment
  UCR252545  Mimulus guttatus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh, near Forestville 38 Comment
  RSA0022510  Mimulus guttatus Peter Rubtzoff 1959-6-20 4170 Sonoma Willow Creek Marsh. Comment
  SEINET12335261  Mimulus guttatus subsp. arvensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -251 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD40972  Mimulus nanus var. mephiticus Collector Unknown 1978-1 s.n. Sonoma 19 miles east of Fallon. (Fallon is in Marin County, but 19 mi E is Sonoma County). 30 Comment
Read comments
Mar 13 2006
  JEPS10583  Mimulus pilosus W. L. Jepson 1921-9-8 9432 Sonoma ne Healdsburg; Lytton School Comment
  CDA11327  Minuartia californica G. F. Hrusa 1995-4-2 12037 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  UCSC000249  Minuartia californica I. J. Condit 2013-3-7 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC388893  Minuartia douglasii F. Almeda; G. DeNevers 1981-4-28 4910 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  CAS-BOT-BC435110  Mollugo verticillata Peter Rubtzoff 1958-9-21 4002 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  CAS-BOT-BC435112  Mollugo verticillata Peter Rubtzoff 1969-11-2 6206 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville. Comment
  CAS-BOT-BC435115  Mollugo verticillata James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  CAS-BOT-BC26177  Monardella coriacea A. A. Heller 1902-7-8 5812 Sonoma Russian river at Healdsburg Comment
  JEPS87251  Monardella purpurea Jack and Betty Guggolz 1992-3-12 1242 Sonoma w side Rincon Ridge; Santa Rosa 213 Comment
  UCD125297  Monardella villosa Mary M. Hektner; Cathy Hendel 1974-6-28 84 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC634860  Monardella villosa subsp. franciscana H. L. Mason 1928-7-10 4883 Sonoma Near Ocean, Jenner 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-BC314203  Monardella villosa subsp. villosa L. R. Abrams 1920-7-3 7621 Sonoma Stewarts Point Comment
  CHSC68008  Monardella villosa subsp. villosa James Jokerst 1985-5-29 2387 Sonoma Near Cobb Mountain. 1126 Comment
  CAS-BOT-BC314210  Monardella villosa subsp. villosa John H. Thomas 1969-9-21 15470 Sonoma Coastal bluffs to the S of the mouth of the Russian River. 121 Comment
  SEINET7042573  Monardella villosa subsp. villosa A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  UC1995311  Monardella viridis Robert F. Hoover 1942-7-6 5912 Sonoma ridge s The Geysers Comment
  CAS-BOT-BC220701  Monardella viridis Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 228 Comment
  SEINET12324061  Monardella viridis W. Knight, Knight, I. 1982-1 4624 Sonoma S-facing slope of Hood's Peak 305 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-BC349591  Monolopia major J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC445002  Montia fontana Peter Rubtzoff 1963-5-26 5150 Sonoma Bennett Mountain Lake. Comment
  JEPS42033  Montia fontana Rimo Bacigalupi with Robert Ornduff 1966-3-18 9141 Sonoma 1 mi s of Kenwood (just s of Los Guilicos Hot Springs, along the Warm Springs Road) 106 Comment
  CAS-BOT-BC444983  Montia fontana R. Bacigalupi 1948-3-6 2856 A Sonoma At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs, NW Sonoma County Comment
  CAS-BOT-BC445000  Montia fontana Peter Rubtzoff 1952-3-23 900 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC445005  Montia fontana Peter Rubtzoff 1955-4-23 1775 Sonoma Bennett Mountain Lake. 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
  UCD110293  Morella californica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-29 091 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCSB5631  Myosotis discolor Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 miles north of Sousa Corners Comment
  RSA97982  Myosotis latifolia N. F. Sommer 1954-5-15 81 Sonoma State Highway 12, at park on north edge of Occidental. 30 Comment
  UCD166497  Myosurus Peter Rubtzoff 1966-4-17 5672 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UC1042426  Myrica californica Peter Rubtzoff 1952-5-31 1113 Sonoma near Forestville (Pitkin Marsh, s. of Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC101796  Myrica californica Walter Knight; Irja Knight 1963-10-29 397 Sonoma Roblar Road near county dump Comment
  CAS-BOT-BC376236  Myriophyllum hippuroides Greg de Nevers 1996-10-18 10887 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  RSA800336  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC376255  Najas guadalupensis Greg de Nevers 1992-7-21 10222 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Yellowjacket Lake 304 Comment
  UCD87823  Nassella lepida Beecher Crampton 1955-6-17 2966 Sonoma 1.5 miles east of Fort Ross. Comment
  UCD87884  Nassella lepida P. B. Kennedy 1918-5-28 s.n. Sonoma Santa Rosa to Calistoga Road. Comment
  RSA656745  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg. Comment
  UCD33091  Nassella pulchra Beecher Crampton 1966-5-10 7721 Sonoma Sonoma County, 3 miles south of Healdsburg next to railroad. Comment
  UCD87462  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg. Comment
  CAS-BOT-BC344990  Nasturtium officinale Peter Rubtzoff 1954-6-6 1458 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC60521  Nasturtium officinale Peter Rubtzoff 1958-6-1 3697 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC60522  Nasturtium officinale Peter Rubtzoff 1960-5-22 4411 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC60523  Nasturtium officinale J. Clausen 1935-5-24 1083 Sonoma 3.7 miles south of Jenner on the Bodega road. Along highway. Comment
  UC353796  Navarretia heterodoxa Milo S. Baker 1928-6-16 3041 b Sonoma n of Barber Ranch; Hope Valley Comment
  JEPS70348  Navarretia intertexta F. T. Bioletti Jun 1893 Sonoma Kenwood Comment
  UC101995  Navarretia intertexta Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UCR30586  Navarretia intertexta John C. Roos 1950-7-22 4876 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  UCD32431  Navarretia intertexta Calvin McMillan Date Unknown 597 Sonoma Sonoma County, Trinity Road, 6 miles northeast Glen Ellen. Comment
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1
  UC30204  Navarretia leucocephala subsp. bakeri H. N. Bolander 1866-1 3893 Sonoma Mark West Creek Comment
  CAS-BOT-BC230376  Navarretia leucocephala subsp. bakeri Niall McCarten 1986-5-28 5260 Sonoma NE end of Shiloh Ranch, 0.25 mile S of N end of Leslie Road on E side of road Comment
  UCD161456  Navarretia mellita James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 c 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.) 1005 Comment
  SEINET7067340  Navarretia pubescens 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-BC232684  Navarretia pubescens Herbert L. Mason 1940-5-21 12294 Sonoma Head of Mayacama Creek in Knights Valley Comment
  UCD158735  Navarretia sinistra subsp. pinnatisecta James A. Neilson Jr. 1974-7-25 2864 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. 792 Comment
  RSA468372  Navarretia squarrosa E. A. Purer 1932-7-21 16861 Sonoma Bodega Bay. Comment
  UCD38724  Navarretia squarrosa Beecher Crampton 1957-7-11 4313 Sonoma State Hwy. 1, 1 1/4 miles southeast Bodega Bay. Comment
  UCD55331  Navarretia squarrosa Ellen Dean 2006-6-28 3174 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  UCR118961  Navarretia squarrosa Beecher Crampton 1957-7-11 4313 Sonoma Central coast, State Highway 1, 1.25 miles southeast Bodega Bay 15 Comment
  CDA20084  Navarretia squarrosa R. Gross 2002-12-7 s.n. Sonoma North Coast Ranges; Foote Ranch, 16041 Hwy 128, Kellogg. 0 Comment
  JEPS70518  Navarretia viscidula F. T. Bioletti 1892-5-31 Sonoma Shellville Comment
  POM125417  Nemophila heterophylla Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena. Comment
  UCD160137  Nemophila menziesii James A. Neilson Jr. 1974-3-27 3009 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  HSC13610  Nemophila menziesii James Faro 1962-4-18 13 Sonoma About 5 mi. N of Geurneville on the Old Cazadero Rd. Comment
  UCD160061  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-4-9 3126 Sonoma Mayacmas Mountains, Hilary Farms. (Exact location unknown. Elevation and coordinates estimated by label maker.) 609 Comment
  UC606948  Nemophila parviflora L. Constance 1938-4-24 2153 Sonoma 8 mi s Fort Ross; Russian Gulch, s of Fort Ros 121 Comment
  UC26162  Nicotiana quadrivalvis J. B. Davy Jul 1896 Sonoma near Russian River Station Comment
  UCD110164  Notholithocarpus densiflorus Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1765 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  CAS-BOT-BC400124  Nuphar polysepala Peter Rubtzoff 1958-7-26 3813 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC400119  Nuphar polysepala Peter Rubtzoff 1951-6-9 188 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC400129  Nuphar polysepala James McMurphy 1908-9-27 s.n. Sonoma Sebastopol Comment
  UCR255673  Oemleria cerasiformis Greg de Nevers 1998-5-20 11255 Sonoma North Coast Range, Mark West Creek on Cresta Ranch Comment
  CAS-BOT-BC376284  Olea europaea Greg de Nevers 1995-5-9 10723 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In quarry by Ward House 487 Comment
  UCR42346  Onychium densum L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SD114105  Orobanche fasciculata Darley F. Howe 1963-7-2 3580 Sonoma 4.2 miles north of junction with #12 on #1. Comment
  SD56755  Orobanche fasciculata Darley F. Howe 1963-7-2 Sonoma 4.2 miles north of junction with #12 on #1. Comment
  CAS-BOT-BC368046  Orthocarpus Greg de Nevers 1989-4-1 9055 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC238410  Orthocarpus Charles Piper Smith 1948-6-4 48340 b Sonoma Local road - Sebastopol, 1.5 miles west Comment
  SEINET13754683  Orthocarpus W. Roderick 1967-5-13 s. n. Sonoma N. of Steward's Pt. 15 Comment
  POM182697  Orthocarpus erianthus D. D. Keck 1931-4-2 1001 Sonoma Boyes Springs 30 Comment
  SEINET12121508  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -087 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 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
  OBI57151  Panicum acuminatum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-5 24502 Sonoma Salt Point State Park east of Highway 1 near junction with Kruse Ranch Road Comment
  UCD151254  Panicum acuminatum var. thermale James A. Neilson Jr. 1974-7-10 2837 Sonoma Mayacmas Mountains. Little Geysers. 731 Comment
  UCD32823  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Comment
  SEINET11686588  Panicum capillare subsp. hillmanii W. Knight, Knight, I.; Edwards, S. W. 1984-1 5070 Sonoma along Willow Creek near Stony Point Road betwen Corona Road and Old Redwood Hwy 6 Comment
  SBBG115659  Panicum thermale B. Crampton 1964-8-18 7139 e Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  CAS-BOT-BC253935  Parapholis incurva Catherine Best 1981-5-2 s.n. Sonoma At the mouth of the Russian River, S side Comment
  JEPS128190  Parnassia palustris Roger Raiche 1999-9-20 034 .99 Sonoma The Cedars. Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128230  Parnassia palustris Roger Raiche 2000-9-9 152 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC259693  Paspalum dilatatum John Thomas Howell; Walter & Irja Knight 1981-6-4 6244 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC202870  Paxistima myrsinites W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5452 Sonoma Cherry Creek Road, W of Cloverdale Comment
  UC1239019  Pedicularis densiflora Freed W. Hoffman 1947-5-30 556 Sonoma Austin Creek; North Coast Ranges, Layton Mine Comment
  UC76109  Pedicularis densiflora Milo S. Baker 1898-4-2 Sonoma near Forestville Comment
  UCD168038  Pellaea andromedifolia James A. Neilson Jr. 1981-3-13 3991 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  SEINET10732556  Peniocereus greggii var. transmontanus George Thurber 1851-1 Sonoma Comment
  UC27456  Penstemon heterophyllus var. heterophyllus H. N. Bolander 1864-1 3957 Sonoma at the Geysers Comment
  UC1980579  Penstemon heterophyllus var. purdyi James L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 mile south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles south east of Santa Rosa Comment
  CAS-BOT-BC327999  Pentachaeta alsinoides Alice Eastwood; John Thomas Howell 1938-5-15 5507 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC71729  Pentagramma triangularis subsp. triangularis D. E. Breedlove 1980-6-27 44765 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC71730  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-3 1164 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UCR222556  Pentagramma triangularis subsp. triangularis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16241 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC222740  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1974-6-22 7622 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from (west of) Llano Road Comment
  CAS-BOT-BC222742  Perideridia gairdneri subsp. gairdneri John Thomas Howell 1946-8-17 22862 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC222745  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1962-8-3 5017 Sonoma Atascadero Creek Marsh Comment
  UC1312868  Perideridia gairdneri subsp. gairdneri L. Constance and T. I. Chuang with Robert Ornduff and Peter Rubtzoff 1965-10-2 3766 Sonoma marsh on creek 1 mi nw Graton; Atascadero Creek 182 Comment
  CDA13804  Perideridia howellii G. F. Hrusa, A. Buckmann 1996-10-5 13584 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Comment
  OBI81671  Perideridia kelloggii Tracey Call, Viola Call 1963-7-12 2240 Sonoma 4 mi NW of Cloverdale Comment
  UCD165109  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC418906  Persicaria hydropiperoides Peter Rubtzoff 1960-9-17 4565 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  SD99428  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419286  Persicaria orientalis Peter Rubtzoff 1958-7-20 3786 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  CAS-BOT-BC540804  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC173687  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  UC660063  Phacelia californica Alan A. Beetle 1941-7-8 2857 Sonoma rocky bluff 1 mi n Steward Point Comment
  UC1047018  Phacelia corymbosa L. R. Heckard and C. R. Bell 1951-6-12 154 Sonoma ridge above Pine Flat (reached by road from Alexander Valley to Middletown) Comment
  UC703123  Phacelia distans John Thomas Howell 1929-6-9 4306 Sonoma near Petrified Forest Comment
  SEINET5906166 Image available Phacelia distans L. S. Rose 1965-1 65021 Sonoma 1 mi N of Sonoma Comment
  UCD158786  Phacelia heterophylla subsp. virgata James A. Neilson Jr. 1974-6-1 2771 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  UC735109  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3051 Sonoma near Petrified Forest 60 Comment
  CAS-BOT-BC329229  Phalaris Peter Rubtzoff 1968-6-25 5913 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC258947  Phalaris aquatica G. DeNevers 1981-5-30 1404 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill Comment
  UCR248732  Phalaris aquatica Peter Rubtzoff 1968-6-25 5913 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  CAS-BOT-BC258951  Phalaris aquatica David L. Morgan 1958-8-9 s.n. Sonoma 2 mi. N. of Occidental on Bohemian Highway Comment
  CAS-BOT-BC265843  Phalaris arundinacea Peter Rubtzoff 1962-5-25 4832 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Crossing. Comment
  CAS-BOT-BC259022  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma Near Green Valley School 91 Comment
  UCD88569  Phalaris californica P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD88771  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  CAS-BOT-BC265941  Phalaris minor Peter Rubtzoff 1962-6-13 4904 Sonoma Freestone Marsh Comment
  CAS-BOT-BC250743  Phalaris paradoxa Peter Rubtzoff 1962-4-18 4802 Sonoma Border of Highway #101 east of Petaluma Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  SBBG39485  Phoradendron bolleanum L. S. Rose 1970-2-27 Sonoma 2 mi E of Occidental 213 Comment
  RSA572341  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 55 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. Comment
  CAS-BOT-BC366895  Physalis Greg de Nevers 1997-11-1 11105 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon 400 Comment
  HSC15049  Pickeringia montana R. Spellenberg 1964-6-15 405 Sonoma 5 mi. W of The Geysers on road from Geyserville Comment
  SEINET12165199  Pickeringia montana F. H. Utech 1986-1 86 -246 Sonoma Harrison Grade Road, S 0.1 mi from junction with Stoetz Road 200 Comment
  UC1299174  Pickeringia montana var. montana Freed W. Hoffman 1947-5-18 543 Sonoma about 2 mi e Occidental; North Coast Ranges Comment
  NY49679  Pinus contorta var. contorta S. Flowers 1988-2-5 s.n. Sonoma Sonoma Road marker, Highway 1, 52.32 mile at Pebble Beach Access trail, across Sea Ranch. Tree located 20 ft. west of Highway 1 and 12 ft. north off parking entrance Comment
  OBI35913  Pinus muricata David J. Keil 1983-6-30 17208 Sonoma Stillwater Cove Regional Park Comment
  POM316057  Pinus muricata Patricia Wilder 1965-6-10 3652 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  CAS-BOT-BC72884  Pinus ponderosa Walter Knight; Irja Knight 1963-12-27 453 Sonoma Pine Flat road, Circle 8 Ranch Comment
  CAS-BOT-BC166764  Plagiobothrys Peter Rubtzoff 1972-4-23 s.n. Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  RSA785901  Plagiobothrys Peter Rubtzoff 1972-4-23 6735 Sonoma 4.25 mi. W. of Glen Ellen on Bennett Valley road 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-BC155000  Plagiobothrys Peter Rubtzoff 1970-5-30 6237 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC176189  Plagiobothrys Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA784980  Plagiobothrys bracteatus Peter Rubtzoff 1969-5-11 6040 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  RSA785158  Plagiobothrys bracteatus Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UC424773  Plagiobothrys bracteatus Milo S. Baker 1929-4-27 3586 Sonoma near Wright School Comment
  SD260918  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point. Comment
  UCD84275  Plagiobothrys greenei Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  RSA52651  Plagiobothrys nothofulvus I. L. Wiggins 1949-4-30 12067 Sonoma 4 miles W of Calistoga, just W of country line. Comment
  UCD120884  Plagiobothrys nothofulvus J. Adams; J. Weick 1993-5-8 s.n. 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. 396 Comment
  UC725293  Plagiobothrys reticulatus A. A. Heller 1938-5-14 15081 Sonoma just back of the sea n of bay Bodega Bay Comment
  RSA8384  Plagiobothrys reticulatus var. rossianorum L. S. Rose 1933-5-9 33155 Sonoma Bodega Bay. Comment
  UC881350  Plagiobothrys stipitatus Alice Eastwood 1921-4-24 10261 Sonoma Santa Rosa Comment
  UCD35306  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma 3 miles west of Fulton, along Woolsey Road, below Mt. Olivet School. Comment
  CAS-BOT-BC290688  Plantago Peter Rubtzoff 1987-10-17 9876 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC258399  Plantago Peter Rubtzoff 1959-6-20 4143 Sonoma Willow Creek Marsh. Comment
  UCD158837  Plantago coronopus Michael A. Vincent; Ethan H. Freid 1998-4-8 8175 Sonoma Sonoma County, Bodega Bay. University of Californai (Davis) Bodega Bay Marine Reserve, off Bodega Rd. Bodega Head. Comment
  JEPS128243  Plantago erecta Roger Raiche 2000-5-4 070 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC730020  Plantago erecta Leo F. Koch 1940-4-24 847 Sonoma just n Warfield Station Comment
  UCD81451  Plantago lanceolata M. Wiesendanger 1927-5-5 718 Sonoma Sonoma. Comment
  JEPS19391  Plantago subnuda G. Thomas Robbins with John Weiler 1937-6-5 220 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  CAS-BOT-BC92121  Platystemon californicus A. A. Heller; H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  CAS-BOT-BC92122  Platystemon californicus Lewis S. Rose 1933-5-9 33157 Sonoma Bodega Bay. Comment
  CAS-BOT-BC92123  Platystemon californicus Walter Knight; Irja Knight 1963-8-13 178 Sonoma Horseshoe Cove. Comment
  SD130425  Platystemon californicus F. Almeda, G. DeNevers 1981-3-30 4882 Sonoma Vicinity of the Bechtel Cabin. Comment
  SEINET6911641  Platystigma linearis Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Dunes near their base, Bodega Head, near middle of peninsula. 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
  UC131904  Plectritis brachystemon Alice Eastwood 1900-5-8 Sonoma Knights Valley Comment
  CAS-BOT-BC260928  Pleuropogon californicus G. DeNevers; S. Kaza 1981-5-7 968 Sonoma 10510 Old Redwood Hwy., vacant lot by Healdsburg Rent-All, 2 mi. NW of Windsor exit from 101, Pepperwood Ranch Comment
  JEPS86342  Pleuropogon californicus Jack and Betty Guggolz 1988-3-16 903 Sonoma at the nw corner of the intersection of Fulton Road and Wood Road Comment
Read comments
Jun 29 2008
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. Comment
  SEINET6205136  Pleuropogon californicus L. S. Rose 1965-1 65019 Sonoma Sonoma Comment
  CAS-BOT-BC260976  Pleuropogon californicus var. californicus Alice Eastwood 1921-4-24 10316 Sonoma Santa Rosa Comment
  POM205011  Pleuropogon californicus var. californicus A. A. Heller 1902-4-15 5294 Sonoma Santa Rosa. 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
  UCD90203  Pleuropogon californicus var. californicus A. A. Beetle 1946-5-6 4263 Sonoma 1/2 mile south of Cotati. Comment
  CAS-BOT-BC422347  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma Kenwood Marsh. Comment
  RSA0021491  Poa Peter Rubtzoff 1976-5-30 8560 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC254551  Poa douglasii Catherine Best 1981-4-4 s.n. Sonoma On S side of mouth of the Russian River Comment
  CAS-BOT-BC243243  Poa secunda subsp. secunda A. A. Heller 1902-4-9 5249 Sonoma In railroad cut 3 miles S of Healdsburg Comment
  UC1011005  Poa secunda subsp. secunda Virginia Bufford 1936-5-21 358 Sonoma 2 mi from Geysers (Cloverdale Rd) Comment
  UC1132792  Poa secunda subsp. secunda H. S. Yates 1934-4-22 3852 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  CAS-BOT-BC244196  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh Comment
  UCR248912  Poa trivialis Peter Rubtzoff 1974-6-2 7526 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC244259  Poa unilateralis A. A. Heller 1902-4-11 5279 Sonoma Bodega Bay Comment
  UCD125256  Pogogyne douglasii G. F. Hrusa; R. Gross 1996-6-30 13065 Sonoma Permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. 700 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
  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
  SEINET12205440  Polygala californica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -166 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  RSA518874  Polygonum aviculare Barbara J. Ertter 1988-11-5 8026 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC109165  Polygonum bolanderi F. G. Krauss 1893-10-8 s.n. Sonoma K Ranch. Comment
  CDA2793  Polygonum cuspidatum H. F. McCracken 1967-10-11 Sonoma West 4th Street, Santa Rosa. 0 Comment
  UCR280149  Polygonum hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 38 Comment
  UC465762  Polygonum parryi Brandegee June 1889 Sonoma Mt. St. Helena Comment
  UC1562684  Polygonum punctatum Barbara Ertter 1988-11-5 8031 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  CAS-BOT-BC72012  Polypodium californicum J. W. Congdon s.n. Sonoma Santa Rosa Comment
  UCR218739  Polypodium californicum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16227 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC72011  Polypodium californicum A. A. Heller 1902-5-23 5030 Sonoma Sonoma Creek at the foot of Mt. Hood Comment
  CAS-BOT-BC72013  Polypodium californicum Margot Lowry 1983-5-1 42 Sonoma Ca. one mile from top of Sonoma Mtn. Rd. on Sonoma Mtn., along roadside 500 Comment
  UCD55140  Polypodium glycyrrhiza Ellen Dean; Tammie Beyerl 2006-4-28 3022 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  JEPS60082  Polypodium scouleri Alice Griffin 1924-9-1 Sonoma Stewart's Point Comment
  CAS-BOT-BC232934  Polypogon Peter Rubtzoff 1983-8-28 9672 Sonoma Austin Creek, ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  RSA94463  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC233198  Polypogon interruptus Walter Knight; Irja Knight 1968-1-1 2269 Sonoma Geysers Resort, along geyser trail Comment
  HSC10828  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma 3 mi. N of Santa Rosa along Hwy. 101, near pond in hills behind Fountaingrove Vineyard Comment
  CAS-BOT-BC233223  Polypogon maritimus Peter Rubtzoff 1963-6-22 5192 Sonoma Ca. 0.5 mile E of Bennett Mountain Lake Comment
  UCD84097  Polypogon maritimus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  POM206737  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Near Sonoma. Comment
  UCD91292  Polypogon monspeliensis Beecher Crampton 1957-7-11 4292 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  RSA94461  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville; Southern half of Lower Marsh. Comment
  SEINET10593633  Polypogon monspeliensis A. Arthur Heller 1902-4-23 Heller s.n. Sonoma Near Sonoma Comment
  CAS-BOT-BC368071  Polystichum californicum Greg de Nevers 1998-5-31 11269 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek. 400 Comment
  JEPS33241  Polystichum californicum F. T. Bioletti 1892-5-31 Sonoma Hood's Peak Comment
  UCD168040  Polystichum californicum James A. Neilson Jr. 1981-3-13 3993 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. 3/4 NE of confluence of Hummingbird Creek and Squaw Creek. (Newspaper lists S/2 NW/4 Sect. 34 T12 R9 while Notebook lists NE/4 SE/4 Sec. 33 T12 R9. Georeferenced to newspaper location information. Exact location unknown, coordinates estimated by label maker.) Comment
  SEINET11718542  Polystichum californicum W. Knight, Knight, I.; Ellman, P. 1986-1 5850 Sonoma Bouverie Audubon Preserve, 0.75 mi E of parking log along fire road 46 Comment
  SEINET6744750  Polystichum californicum Michener, Bioletti 1893-1 Sonoma Adobe Canon Comment
  HSC76927  Polystichum dudleyi R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove 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
  SEINET11719542  Polystichum dudleyi F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -236 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC72484  Polystichum munitum Peter Rubtzoff 1952-3-22 862 Sonoma bordering the Upper Marsh in the west Comment
  UCD19303  Polystichum munitum Terry Reedy 1974-5-11 236 Sonoma Bodega Head, shady gully south of road to Field Station. 12 Comment
  CAS-BOT-BC102354  Populus alba Peter Rubtzoff 1972-9-3 6882 Sonoma Forestville Marsh Comment
  CAS-BOT-BC102665  Populus fremontii Peter Rubtzoff 1960-5-15 4335 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC445297  Portulaca oleracea Peter Rubtzoff 1966-9-25 5828 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC452163  Potamogeton diversifolius Peter Rubtzoff 1955-7-16 1970 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC267174  Potamogeton foliosus Peter Rubtzoff 1956-9-11 2843 Sonoma Vacation Beach, near Guerneville, pool on Russian River bottom Comment
  RSA800842  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma SPring Creek Reservoir area, east of Santa Rosa Comment
  CAS-BOT-BC453750  Potamogeton natans Peter Rubtzoff 1955-8-13 2040 Sonoma Duncans Mills Marsh. Comment
  RSA800333  Potamogeton nodosus Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  UC441347  Potamogeton nodosus Milo S. Baker Aug. 1900 Sonoma near Laguna; Mark West Creek Comment
  CDA14199  Potamogeton nodosus G. F. Hrusa, R. Gross 1997-8-31 14092 Sonoma North Coast Biodiversity Arena; Common around edges of pond on Foote Ranch, NW base of Mt. St. Helena. Immed. NE of int. of Hwy. 128 and Ida Clayton Road. Flowering spikes emersed. 106 Comment
  CAS-BOT-BC454021  Potamogeton pectinatus Peter Rubtzoff 1954-8-3 1631 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC257973  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  UC441323  Potamogeton pusillus var. pusillus Milo S. Baker June 1899 Sonoma near Sebastopol Comment
  CAS-BOT-BC141950  Potentilla anserina subsp. pacifica Peter Rubtzoff 1960-5-18 4386 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141952  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-8-9 1659 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141955  Potentilla anserina subsp. pacifica Peter Rubtzoff 1959-6-13 4127 Sonoma Willow Creek Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC516401  Prosartes hookeri Greg de Nevers 1993-3-24 10330 Sonoma Weimar Canyon, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 304 Comment
  JEPS23732  Prunella vulgaris var. lanceolata Hilda W. Grinnell 1933-7-21 Sonoma Bodega Bay Comment
  UC1084462  Prunella vulgaris var. lanceolata G. Thomas Robbins 1937-6-5 225 Sonoma about 10 mi w Santa Rosa (Vine Hill region) Comment
  UC25626  Prunella vulgaris var. lanceolata Harley P. Chandler 1900-5-25 699 Sonoma Bodega Bay Comment
  UC750811  Prunella vulgaris var. lanceolata Charles B. Heiser Jr. 1946-5-19 1737 Sonoma w Santa Rosa (Vine Hill); Vine Hill Comment
  CAS-BOT-BC159902  Prunus emarginata T. E. Rawlins 1942-9-1 s.n. Sonoma Fort Ross Comment
  RSA0060111  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In canyon west of Phillip's Garden. 100 Comment
  CAS-BOT-BC368069  Prunus virginiana var. demissa Greg de Nevers 1998-6-2 11267 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road at Bordjeiffs. 400 Comment
  CAS-BOT-BC356501  Pseudognaphalium beneolens Mary P. Wells 1988-9-7 967 Sonoma In a plant bed at Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC356927  Pseudognaphalium californicum G. DeNevers 1981-9-5 1828 Sonoma Pepperwood Ranch. N of Pippindale Garden Comment
  CAS-BOT-BC357410  Pseudognaphalium microcephalum Robert M. King 1980-7-8 8415 Sonoma 5 miles generally southwest of Santa Rosa 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
  UCR2993  Pseudotsuga menziesii Wm. Horn Jr. 1963-4-10 630410- 2 Sonoma San Francisco Bay, 0.5 mi N on Jonive Rd. at a point 5 mi west of Sebastopol on Bodega Highway Comment
  CAS-BOT-BC80187  Pseudotsuga menziesii J. W. Congdon 1880-3-1 s.n. Sonoma Santa Rosa Road Comment
  CAS-BOT-BC166787  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC176178  Psilocarphus Peter Rubtzoff 1971-6-5 6512 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784564  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  RSA784567  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UC1601292  Psilocarphus oregonus E. Palmer Sonoma Petaluma Comment
  CDA8508  Psilocarphus tenellus var. tenellus G. D. Barbe 1991-6-6 4429 Sonoma Annadel State Park, Santa Rosa 0 Comment
  SEINET4207978  Psoralea physodes J. O. Sawyer 1977-6-5 2880 Sonoma Canyon Road about 1/2 mile west of US 101 across from Pendrocelli Winery.; 0 Comment
  SEINET12121513  Pteryxia terebinthina var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -164 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 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
  JEPS78472  Pyrola aphylla Edward Lee 1936-6-7 2207 Sonoma MacLaren Trail, Bohemian Grove Comment
  UC1042430  Pyrus communis Peter Rubtzoff 1952-10-26 1329 Sonoma near Forestville (Pitkin Marsh, w branch of Upper Marsh); Pitkin Marsh Comment
  SD225863  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, large tree in the back yard of the Voight house. Comment
  UCD45321  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.: Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham. Comment
  UCD45323  Quercus X chasei John M. Tucker 1952-9-20 2618 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.: Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from Voight farmhouse. Comment
  UCD45329  Quercus X chasei John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch west of Cummingham, Sonoma County. Comment
  UCR66548  Quercus X chasei G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 mi. north of Cotati on road to Sebastopol. Comment
  RSA34661  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  UCD19428  Quercus X howellii Shannon Murphy 2001-8-1 s.n. Sonoma Austin Creek State Park. 150 Comment
  CAS-BOT-BC61635  Quercus agrifolia Peter Rubtzoff 1951-8-18 639 Sonoma Pitkin marsh, near Forestville. In area separating the western branch of the Upper Marsh from the eastern Comment
  JEPS37365  Quercus agrifolia Miss R. Kuhn 1913-10-1 Sonoma Sonoma Valley Comment
  RSA155532  Quercus agrifolia L. S. Rose 1960-9-14 60097 Sonoma Laguna de Santa Rosa, 4 miles NE of Graton. 15 Comment
  UC1196504  Quercus agrifolia Joseph P. Tracy 1930-11-30 9272 Sonoma below Knights Valley; North Coast Ranges 152 Comment
  SEINET12029925  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 5086 Sonoma 1.85mi up Cavedale Rd from State Rt-12 244 Comment
  SEINET8981498  Quercus agrifolia L. Fallon 1939-1-6 s.n. Sonoma Santa Rosa Comment
  CDA11972  Quercus berberidifolia G. F. Hrusa, J. Pfeiffer 1995-9-23 12464 Sonoma North Coast Biodiversity Arena; Lower elevations below Cavedale Edaphic Island, on Cavedale Rd. Approx. 2.7 m. E of Hwy. 12. Comment
  SEINET12028625  Quercus chrysolepis W. Knight, Knight, I. 1981-1 3985 Sonoma 4.2 mi up Cavedale Rd from jct of State Rt-12 Comment
  RSA477129  Quercus durata Christopher Davidson 1977-6-20 6012 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  UCD165505  Quercus durata J. B. Spring and R. W. Lundh 1932-6-27 88 Sonoma California, Sonoma County: Santa Rosa, CA, 1.5 mi. south of McCormack Ranch. (Exact location unknown, coordinates estimated by label maker.) 754 Comment
  CAS-BOT-BC94668  Quercus garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles N of Penngrove 365 Comment
  SJSU16079  Quercus garryana Allen W. Jacobs 1934-8-1 2 Sonoma Near the Hilton in Russian River Comment
  POM166601  Quercus kelloggii A. A. Heller, H. E. Brown 1902-3-17 5085 Sonoma Hills 8 miles northeast of Santa Rosa Comment
  UC338622  Quercus kelloggii unknown Mar 1888 Sonoma near Healdsburg (Warner's ranch) Comment
  UCD46723  Quercus kelloggii G. F. Hrusa; R. Gross 1996-3-8 12651 Sonoma At NE edge of Douglas-Fir forest near intersection of Ida Clayton Rd. and Hwy 128. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. 150 Comment
  CAS-BOT-BC62808  Quercus lobata Mary P. Wells 1984-6-4 327 Sonoma North Court Friends House, Rincon Valley, Santa Rosa Comment
  CHSC78082  Quercus lobata David Cheetham 1998-6-26 33 Sonoma I street extension, Petaluma. 43 Comment
  UCR255890  Ranunculus aquatilis Greg de Nevers 1990-3-26 9655 A Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA785701  Ranunculus californicus Carrie A. Herd 1982-3-14 15 Sonoma Crane Creek Regional Park Comment
  UCD95979  Ranunculus californicus Michael A. Vincent; Ethan H. Freid, Alex Reich 1998-4-8 8176 Sonoma Bodega Bay, University of California (Davis) Bodega marine Reserve, off Bodega Road, Bodega Head. Comment
  CAS-BOT-BC378693  Ranunculus californicus var. californicus Peter Rubtzoff 1955-4-30 1792 Sonoma Stormy Point Marsh Comment
  CAS-BOT-BC361405  Ranunculus lobbii Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Weimar vernal meadow 457 Comment
  UC75662  Ranunculus lobbii Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  JEPS55143  Ranunculus muricatus W. L. Jepson 1914-4-11 5803 Sonoma Sonoma Valley 35 Comment
  POM163785  Ranunculus muricatus Rimo Bacigalupi 1926-4-30 1368 Sonoma Cagadero Comment
  UCD96244  Ranunculus muricatus Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 60 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 195 Comment
  UCD158817  Ranunculus occidentalis var. occidentalis James A. Neilson Jr. 1974-4-17 2890 Sonoma Mayacmas Mountains. Above Big Geyser Canyon. (Elevation estimated using topo map by label maker.) 914 Comment
  UCD97051  Ranunculus orthorhynchus Mary M. Hektner 1976-4-3 231 Sonoma along ocean headlands above Shell Beach; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET12086713  Ranunculus orthorhynchus I. L. Wiggins 1932-1 5757 Sonoma Knight's Valley Comment
  UC205821  Ranunculus orthorhynchus var. bloomeri A. A. Heller 1902-3-14 5061 Sonoma near Windsor Comment
  CAS-BOT-BC55946  Rhamnus crocea A. A. Heller 1902-6-26 5766 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UCSC000472  Rhamnus crocea R. W. Lundh 1932-7-21 124 Sonoma Napa, Hooker Canyon 549 Comment
  CAS-BOT-BC53740  Rhododendron columbianum Mary P. Wells 1985-10-4 670 Sonoma pygmy forest south of Gualala River and east of Coast Highway Comment
  CAS-BOT-BC56600  Rhododendron macrophyllum Mary P. Wells 1984-8-9 450 Sonoma Forest off north end of Deerfield Road, The Sea Ranch Comment
  LA41001  Rhododendron macrophyllum Washington Research Society; 1956-5-29 sn Sonoma 1 mi. SE of Gualla, NW county 15 Comment
  CAS-BOT-BC227427  Rhododendron occidentale G. F. Hrusa 1988-4-22 5567 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  UCR23636  Rhododendron occidentale John C. Roos 1957-7-2 6645 Sonoma Miller Ridge Comment
  RSA177963  Rhododendron occidentale var. occidentale R. F. Thorne 1965-4-20 34382 Sonoma Charles Newman's place up Los Alamos Rd, on Rincon Ridge 396 Comment
  CAS-BOT-BC111864  Rhynchospora alba Peter Rubtzoff 1951-7-1 340 Sonoma Pitkin Marsh; Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111894  Rhynchospora californica John Thomas Howell 1945-8-14 21382 Sonoma Perry Marsh 182 Comment
  NY51372  Rhynchospora californica J. T. Howell 1936-7-26 12679 Sonoma Pitkin Marsh, 5 mi N of Sebastopol. Comment
  CAS-BOT-BC111899  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  UC1042503  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 325 Sonoma lower part Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC710415  Rhynchospora capitellata John Thomas Howell 1936-7-26 12677 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  POM142003  Ribes californicum A. A. Heller 1903-4-24 6364 Sonoma Woods near Cazadero. Comment
  SEINET13942324 Image available Ribes californicum A. A. Heller, H. E. Brown 2002-1 5012 Sonoma Hills East of Santa Rosa Comment
  UC353918  Ribes californicum Milo S. Baker 1928-2-18 2598 Sonoma nw Co<o?>per's Grove Comment
  RSA0025036  Ribes divaricatum var. pubiflorum L. S. Rose 1962-4-11 62018 Sonoma Laguna de Santa Rosa. 0.5 mile E of Cunningham. 15 Comment
  UC75475  Ribes roezlii var. cruentum Milo S. Baker 1898-6-11 660 Sonoma Little Sulphur Creek Comment
  SJSU15311  Ribes sanguineum var. glutinosum Janis L. Tipton 1976-4-18 47 Sonoma Rohert Park, Petaluma Hill Road to Roberts Road 2 miles to Lichau Road, Lichau Creek. 121 Comment
  CAS-BOT-BC74711  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 A Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74712  Rorippa curvisiliqua Peter Rubtzoff 1973-8-21 7251 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC74713  Rorippa curvisiliqua Peter Rubtzoff 1974-4-17 7366 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC74720  Rorippa curvisiliqua A. A. Heller 1902-7-2 5807 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC152671  Rosa californica Peter H. Raven 1955-8-27 8758 Sonoma 3.2 mi. n. of Sears Point on State Route 37 Comment
  CAS-BOT-BC152669  Rosa californica Walter Knight; Irja Knight 1964-11-3 763 Sonoma Pressley Rd. near Summit View Ranch Gateway Comment
  SD56749  Rosa gymnocarpa D. F. Howe 1963-7-2 Sonoma 3.5 mi. so.east of Guerneville on #12 99 Comment
  UC454965  Rosa gymnocarpa I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC467684  Rosa gymnocarpa H. P. Chandler 1907-4-27 7542 Sonoma above 2nd reservoir (St. Helena to Santa Rosa) Comment
  UCD113886  Rosa nutkana Chris Bowen 1974-6-2 150 Sonoma Near Sea Gate Road, Unit 7 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC148204  Rosa rubiginosa John Thomas Howell 1946-8-17 22871 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC262811  Rubus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh. Comment
  UCD166417  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  UCR265086  Rubus armeniacus Ann Howald 2015-4-28 3374 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  UCR148005  Rubus discolor Frederica Bowcutt 1994-5-21 1836 Sonoma Coast Range, 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. Hillside trail c. 1 mi past the junction with Digger Pine trail 412 Comment
  UCD113895  Rubus parviflorus T. E. Weier 1942-5-20 s.n. Sonoma Gualala River. Comment
  RSA800354  Rubus spectabilis Peter Rubtzoff 1957-4-28 3291 Sonoma Duncans Mills Marsh. Comment
  UCD113815  Rubus spectabilis Mary M. Hektner 1974-6-2 12 Sonoma paralleling Fish Rock Road, just below Leeward Road, Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD114007  Rubus ursinus Mary M. Hektner 1974-6-3 019 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD17934  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-3 53 64 B Sonoma California. Sonoma County: 0.5 miles north of city limits in Rio Del. Comment
Read comments
Aug 27 2013
  CAS-BOT-BC164081  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. 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-BC173544  Rumex Peter Rubtzoff 1964-6-24 5387 Sonoma Coleman Marsh. Salmon Creek. Comment
  CAS-BOT-BC164030  Rumex Peter Rubtzoff 1963-8-17 5235 Sonoma Russian River Mouth Marsh Comment
  RSA784602  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  UC1042523  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma near Forestville (e branch of Upper Pitkin Marsh); Pitkin Marsh Comment
  UCD101015  Rumex acetosella Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 29 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC422298  Rumex californicus J. W. Congdon 1880-6-14 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC166705  Rumex conglomeratus Peter Rubtzoff 1957-8-17 3510 Sonoma Occidental Marsh. Comment
  RSA782168  Rumex crispus Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-7-3 162 Sonoma Westside Rd, Bodega bay area Comment
  CAS-BOT-BC433408  Rumex crispus John Thomas Howell 1955-8-6 30892 Sonoma 1 mile southeast of Bloomfield on road to Two Rock Comment
  CAS-BOT-BC166746  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  UCR279637  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa, northeast of Graton, near Guerneville Road 18 Comment
  UCD148316  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC173566  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). 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
  SD56751  Rumex pulcher Darley F. Howe 1963-7-2 3579 Sonoma 4.2 mi. no. of jnct. With #12 on #1, on sea bluff Comment
  SEINET11934234  Rumex pulcher F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -155 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 80 Comment
  JEPS48949  Rumex salicifolius var. transitorius Hilda W. Grinnell 1933-7-21 Sonoma Bodega Bay Comment
  JEPS65651  Rupertia physodes Mrs. Maud Wheeler 1903-1 Sonoma Sebastopol Comment
  UCD92342  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, coastal meadow behind community center on west side of Hwy 1 north of town. Comment
  SEINET1906227  Rytidosperma penicillatum Barbara Ertter 2003-1 18246 Sonoma Bidega Bay, coastal meadow behind community center on west side of Hwy 1north of town. Comment
  CAS-BOT-BC249308  Sagina Peter Rubtzoff 1955-5-14 1848 Sonoma Duncans Mills Marsh, along the eastern border. Comment
  CAS-BOT-BC320558  Sagina Peter Rubtzoff 1974-5-18 7408 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD98454  Sagina procumbens J. Buell Laing 1928-10-1 s.n. Sonoma Santa Rosa Country Club. Comment
  CAS-BOT-BC445690  Sagittaria cuneata Peter Rubtzoff 1963-6-6 5159 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445692  Sagittaria cuneata Peter Rubtzoff 1955-7-16 1965 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445695  Sagittaria cuneata Peter Rubtzoff 1971-8-20 6641 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC290595  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  UCR249073  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7353 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC126267  Salix X sepulcralis Peter Rubtzoff 1952-3-23 905 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC103076  Salix bonplandiana A. A. Heller 1902-4-22 5346 Sonoma On Santa Rosa creek near Santa Rosa Comment
  RSA534551  Salix bonplandiana Peter Rubtzoff 1962-5-5 4806 Sonoma Fife Creek Marsh. Comment
  RSA534569  Salix bonplandiana Peter Rubtzoff 1955-4-30 1800 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC102863  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma slopes of Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC103944  Salix exigua Peter Rubtzoff 1953-5-16 1358 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  UC1196603  Salix exigua var. hindsiana Joseph P. Tracy 1935-8-18 14742 Sonoma along creek w of Knight's Valley; Northern Coast Ranges 152 Comment
  UC599629  Salix exigua var. hindsiana A. A. Heller 1902-4-8 5224 Sonoma s.e. Santa Rosa; Bennett Valley Comment
  CAS-BOT-BC107753  Salix hindsiana A. A. Heller 1902-4-18 5328 Sonoma Near Windsor on Russian River Comment
  UC453097  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 15 Sonoma Bohemian Grove near Monte Rio (lower bank of Russian R.); Russian R. Comment
  CAS-BOT-BC128056  Salix lasiandra var. lasiandra Peter Rubtzoff 1955-8-20 2059 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC107088  Salix lasiolepis Mary P. Wells 1986-2-2 736 Sonoma north of Wild Moor Reach, The Sea Ranch Comment
  CAS-BOT-BC107091  Salix lasiolepis Greg de Nevers 1990-5-1 9663 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC107256  Salix lasiolepis Greg de Nevers 1990-5-1 9663 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  UC1042519  Salix lasiolepis Peter Rubtzoff 1952-3-22 863 Sonoma Upper Marsh Pitkin Marsh (western branch, near Forestville) Comment
  UC453108  Salix lasiolepis W. A. Setchell 1931-8-1 22 Sonoma Russian R. between Monte Rio and Duncan's Mills; Russian R. Comment
  UC482116  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC524779  Salix lasiolepis W. A. Setchell 1934-7-10 1 Sonoma Coast Hwy 1-2 ni s Fort Ross 76 Comment
  UC524784  Salix lasiolepis W. A. Setchell 1934-7-10 3 b Sonoma Coast Hwy n Fort Ross Comment
  RSA31743  Salix lasiolepis A. A. Heller 1900-3-18 5097 Sonoma Santa Rosa Creek. Near Santa Rosa. Comment
Read comments
May 1 2014
  CAS-BOT-BC107347  Salix lasiolepis var. bigelovii Peter Rubtzoff; T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC107351  Salix lasiolepis var. bigelovii Peter Rubtzoff; Theodore J. Crovello 1964-9-3 5493 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC128317  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 2 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  POM219076  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove. Near Monte Rio. Bed of Russian River. Comment
  SJSU178  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian R, Bohemian Grove near Monte Rio Comment
  SJSU192  Salix scouleriana Baker, Ball, Bracelin & Crum 1931-5-9 342 Sonoma 2 km E of Occidenta on Occidental Grade Comment
  UC498690  Salix scouleriana Ynes Mexia 1933-2-18 Sonoma 4 mi. s. Camp Meeker Comment
  UC524791  Salix scouleriana W. A. Setchell 1934-7-10 8 Sonoma Ridge Hwy. above Fort Ross Comment
  UC524793  Salix scouleriana W. A. Setchell 1934-7-10 9 Sonoma Ridge Hwy. above Fort Ross Comment
  LA208588  Salix sitchensis Baker; Ball, Crum 1931-5-9 344 Sonoma ca. 2 km. E of Bodega Bay Comment
  UC1173579  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  UCSC000171  Salix sitchensis H. S. Yates 1934-4-21 3778 Sonoma near Bodega - Sebastopol 61 Comment
  CAS-BOT-BC225208  Salvia sonomensis Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC225219  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma Mountainside on north side of Hooker Creek, Hoods Peak Range 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
  UCD128076  Sanicula crassicaulis M. Wiesendanger 1927-5-5 733 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC251245  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 miles east of Guerneville. Comment
  UC58233  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma near Cazadero Comment
  UC73121  Saxifraga mertensiana Milo S. Baker 1898-4-6 762 Sonoma near Nobles (Gualala River); Gualala River Comment
  UC754290  Saxifraga mertensiana R. Bacigalupi 1948-3-6 2584 Sonoma 1 mi w of Skaggs Springs Comment
  CAS-BOT-BC283138  Schedonorus arundinaceus Catherine Best 1981-4-4 s.n. Sonoma North side of Bodega Bay Comment
  CAS-BOT-BC111436  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1959-6-20 4166 Sonoma Willow Creek Marsh. Open, wet, gravelly bank of Willow Creek. Comment
  CAS-BOT-BC111632  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh; freshwater part. Comment
  CAS-BOT-BC111635  Schoenoplectus californicus Peter Rubtzoff 1967-8-28 5871 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111630  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4580 Sonoma Bodega Harbor Marsh; saline part. Comment
  RSA0015641  Schoenoplectus maritimus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh. Comment
  RSA0020332  Schoenoplectus maritimus Peter Rubtzoff 1961-9-20 4750 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111800  Schoenoplectus pungens var. badius Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111802  Schoenoplectus pungens var. badius Walter Knight; Irja Knight 1963-8-13 176 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC111805  Schoenoplectus pungens var. badius Peter Rubtzoff 1959-6-20 4165 Sonoma Willow Creek Marsh. Comment
  RSA534611  Schoenoplectus tabernaemontani Peter Rubtzoff 1962-7-4 4970 Sonoma Healdsburg region: Russian River. Fitch Mts. Grove, 2 mi E of Healdsburg. Comment
  UCR248932  Scirpus maritimus Peter Rubtzoff 1961-9-20 4750 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC516417  Scoliopus bigelovii Volney Rattan 1880-1-1 s.n. Sonoma Duncan's Mill Comment
  SEINET12050502  Scoliopus bigelovii F. H. Utech 1988-1 88 -233 Sonoma Stewarts Point, ca 1.5 mi E on Stewarts Point Rd (Skaggs Springs Rd) from junction with CA 1 40 Comment
  SEINET12058066  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -011 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  SEINET12058073  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
  CAS-BOT-BC240033  Scribneria bolanderi Catherine Best 1985-4-5 1068 Sonoma Stoetz Lane about 3 miles northeast of Occidental Comment
  UCR249341  Scrophularia californica Peter Rubtzoff 1955-8-20 2069 Sonoma Bodega Harbor Marsh 0 Comment
  UCD125718  Scutellaria californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC376321  Scutellaria tuberosa Greg de Nevers 1993-4-27 10411 B Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  UCD135987  Selaginella wallacei Frederica Bowcutt 1994-6-24 1897 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. Adobe Canyon, Vista Trail about 1/2 way between Bald Mtn. Trail and Headwater Trail. 566 Comment
  UCR279645  Senecio glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh 6 Comment
  UCD148329  Senecio glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  UCD148313  Senecio minimus Peter Rubtzoff 1951-8-25 668 Sonoma Forested hills southeast of Guerneville. Comment
  JEPS128269  Senecio vulgaris Roger Raiche 2000-4-8 025 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC80324  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Near Santa Rosa Comment
  SEINET8714496 Image available Sequoia sempervirens L. Fallon 1939-1 s.n. Sonoma 15 miles west of Santa Rosa on Guerneville Hy. Comment
  YM-YOSE15455  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles South of Santa Rosa in Bennet Valley Comment
  CHSC107301  Setaria pumila D. G. Kelch; Troy McGregor 2010-8-22 10 .337 Sonoma Geyser Peak Rd. In roadside ditch. 1646 Comment
  CAS-BOT-BC240278  Setaria viridis G. DeNevers 1981-6-20 1620 Sonoma Pepperwood Ranch. In Mark West Creek Comment
  CAS-BOT-BC290640  Sidalcea Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  RSA0020349  Sidalcea Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  JEPS50080  Sidalcea diploscypha W. L. Jepson 1921-6-2 9295 Sonoma Healdsburg Comment
  UC108867  Sidalcea diploscypha Katharine Brandegee 1905-6-8 Sonoma bet Santa Rosa Sevastopol; bet Santa Rosa and Sevastopol Comment
  RSA245528  Sidalcea malviflora Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1103 Sonoma Fort Ross State Park. 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
  CAS-BOT-BC213170  Sidalcea oregana subsp. valida John Thomas Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
  CAS-BOT-BC213172  Sidalcea oregana subsp. valida Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7813 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC320549  Silene Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC251240  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC251242  Silene Peter Rubtzoff 1959-6-20 4168 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC384437  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  CAS-BOT-BC392496  Silene gallica Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  SEINET11933906  Silene gallica F. H. Utech 1986-1 86 -100 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  CAS-BOT-BC389224  Silene laciniata subsp. californica G. DeNevers 1981-6-27 1698 Sonoma Pepperwood Ranch. Along Franz Valley Road Comment
  UCD160117  Sisyrinchium James A. Neilson Jr. 1973-6-3 3040 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
  JEPS108631  Sisyrinchium bellum W. Roderick Sonoma NW of Glen Ellen 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
  UC496431  Smilacina racemosa Merle Randall 1930-6-11 Sonoma near Cazadero Comment
  CDA28745  Smilacina stellata S. Blank, P. Kerr 2007-4-3 s.n. Sonoma North Coast Ranges; Annadel State Park. Hunter Spring. Comment
  CAS-BOT-BC164407  Solanum Peter Rubtzoff 1959-8-30 4250 Sonoma Drake's Beach, near Guerneville. Comment
  CAS-BOT-BC164411  Solanum Peter Rubtzoff 1962-7-14 4991 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC164421  Solanum Peter Rubtzoff 1969-8-29 6174 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC164712  Solanum Peter Rubtzoff 1956-9-16 2929 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166692  Solanum Peter Rubtzoff 1974-9-7 7888 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. at creek crossing. Comment
  CAS-BOT-BC166702  Solanum Peter Rubtzoff 1974-10-20 7939 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166713  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166974  Solanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  UCD165324  Solanum Peter Rubtzoff 1973-8-21 7245 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  RSA0030766  Solanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  UCR279860  Solanum americanum Peter Rubtzoff 1965-8-22 5612 Sonoma North Coast Ranges, Russian River, Forest Hills 5.5 miles east of Guerneville 9 Comment
  UCR281902  Solanum americanum Peter Rubtzoff 1965-9-11 5649 Sonoma North Coast Ranges, Russian River margin at Forest Hills, 5.5 miles east of Guerneville 9 Comment
  UCD126855  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma 1605 Laguna Road, Sebastopol. Comment
  UC914097  Solanum physalifolium var. nitidibaccatum Herbert A. Thomas 1935-11-23 Sonoma Burbank Farm Comment
  UC424779  Solanum umbelliferum Milo S. Baker 1929-4-14 3489 b Sonoma Jensen's Ranch Comment
  NY820383  Solanum xanti A. A. Heller 1902-3-16 5076 Sonoma Russian River, Near Trenton Comment
  POM58783  Solidago californica A. A. Heller 1902-7-2 6055 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC365259  Solidago velutina subsp. californica Peter Rubtzoff 1951-9-15 749 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCR255522  Solidago velutina subsp. californica Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles NE of Freestone 58 Comment
  CAS-BOT-BC173669  Soliva sessilis Peter Rubtzoff 1955-8-7 2036 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC365966  Soliva sessilis Milo S. Baker 1927-4-15 2066 a Sonoma Near Kenwood. Hillside above House of Maple Glen Comment
  CAS-BOT-BC235357  Sorghum X drummondii David L. Morgan 1956-7-29 s.n. Sonoma At junction of Petaluma-Vy. Ford Rd. and Smith Rd. Comment
  UCR275244  Spergularia Peter Rubtzoff 1971-7-23 6614 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  CAS-BOT-BC320575  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCD99193  Spergularia bocconi Frederica Bowcutt 1984-6-23 457 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County Coast. West of Highway 1, north of Gerstle Cove about 1/4 mile. 15 Comment
  CAS-BOT-BC390975  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  UC1563939  Spergularia rubra Barbara Ertter 1988-11-5 8027 Sonoma ca. 5 air mi due s Cloverdale (point below Little Flat parking area w of bridge); Lake Sonoma 152 Comment
  NY505335  Spergularia rubra B. J. Ertter 1988-11-5 8027 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152.4 Comment
  CAS-BOT-BC257342  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  HSC14408  Stachys rigida S. N. Wiemeyer 1962-4-20 20 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  SEINET12331118  Stachys rigida subsp. quercetorum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -179 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  SEINET9333111  Stachys rigida var. quercetorum John Nelson, Wnek, R. 2000-3-7 20940 Sonoma Coleman Beach Comment
  UCD161395  Stellaria James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3693 a Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UCD166315  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  UCD166456  Stellaria media Peter Rubtzoff 1954-9-6 1736 Sonoma Guerneville Marsh. Comment
  RSA94647  Stellaria media Peter Rubtzoff 1952-3-23 882 Sonoma Pitkin Marsh: Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC376297  Stephanomeria Greg de Nevers 1992-8-9 10241 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Valley Road 304 Comment
  JEPS97636  Streptanthus barbiger Annetta M. Carter 1947-5-30 1843 Sonoma 2 mi. E of Occidental. Comment
  RSA74473  Streptanthus barbiger Milo S. Baker 1947-7-15 11868 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  NY185741  Streptanthus brachiatus A. R. Kruckeberg 1949-6-5 2905 Sonoma Exposed serpentine ridge near Contact Mine, east of Pine Flat, on the Sonoma-Lake county line. "This locality is near junction of Socrates Mine road with Pine Flat-Middletown road on ridge west of canyon of Big Sulphur Creek. The Napa-Lake county line is 914.4 Comment
  JEPS83703  Streptanthus glandulosus subsp. secundus R. Raiche 1987-6-21 70333 Sonoma nr Red Slide Falls (n of Cazadero); Red Slide Crk., The Cedars 304 Comment
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Oct 22 2013
  UC1292750  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-7-4 2869 Sonoma NW of Guerneville (Russian Gulce[h]); North Coast Ranges 243 Comment
  UC1492788  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3395 Sonoma headwaters of East Austin Creek North Coast Ranges, The Island Comment
  UC985960  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-7-29 1063 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1 mi nw of Guerneville) Comment
  UC483689  Streptanthus glandulosus subsp. secundus Milo S. Baker 1932-5-8 5916 Sonoma 5 mi n Ft. Ross; Salt Point Comment
  UC985962  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma Del Preti Hill North Coast Ranges Comment
  CAS-BOT-BC87301  Streptanthus glandulosus subsp. sonomensis Greg de Nevers 1987-5-11 8181 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 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
  CAS-BOT-BC87302  Streptanthus glandulosus subsp. sonomensis G. DeNevers 1981-6-15 1512 Sonoma Pepperwood Ranch. 1st road cut on Franz Valley Road. Comment
  CAS-BOT-BC87303  Streptanthus glandulosus subsp. sonomensis Doreen Smith 2003-5-1 s.n. Sonoma Coleman Valley Road. South of the road. Comment
  UC2031713  Streptanthus hesperidis Sherry Adams 2009-6-10 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 500' north of the confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch 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
  JEPS2877 Image available Streptanthus tortuosus Michener and Bioletti 1893-6-7 Sonoma Hoods Peak; ; Hoods Peak, Sonoma Co. Comment
  RSA799980  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  UCD166202  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  UCD166222  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma Marsh on River Road, about 3 miles west of Fulton. Comment
  CAS-BOT-BC540841  Symphoricarpos Peter Rubtzoff 1973-9-9 7308 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC269709  Symphoricarpos mollis D. E. Breedlove 1962-6-6 2900 Sonoma Along State Highway 128, 1.5 miles northwest of U. S. Highway 101 at Cloverdale 121 Comment
  UCR255676  Symphyotrichum Greg de Nevers 1997-8-17 11078 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  CAS-BOT-BC97818  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 763 Sonoma open ground bordering the central part of the Pitkin Marsh Comment
  UC29832  Symphyotrichum chilense Alice King 1896-9-1 Sonoma Healdsburg Comment
  CAS-BOT-BC97834  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  UCD38979  Symphyotrichum lanceolatum var. hesperium Beecher Crampton 1960-11-30 5811 Sonoma 1 mile east of Vineburg. Comment
  CAS-BOT-BC98566  Symphyotrichum lentum F. G. Krauss 1893-10-8 s.n. Sonoma Mountains, Krauss Ranch Comment
  CAS-BOT-BC98569  Symphyotrichum lentum Peter Rubtzoff 1958-9-6 3986 Sonoma Laguna de Santa Rosa east of Sebastopol - Sonoma County Marshes Comment
  CAS-BOT-BC98570  Symphyotrichum lentum Peter Rubtzoff 1961-9-6 4733 Sonoma Laguna de Santa Rosa area northeast of Graton - Sonoma County Marshes Comment
  UC469053  Symphyotrichum subspicatum Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CDA10942  Synthyris cordata G. F. Hrusa, G. L. Stebbins 1994-3-28 11700 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. Adjacent to East Austin Cr. Rd. on E side of Creek. 0 Comment
  UC1103198  Taeniatherum caput-medusae Joseph P. Tracy 1935-7-7 14049 Sonoma on road between the Geysers and Geyserville (Northern Coast Ranges); Northern Coast Ranges 609 Comment
  SD243313  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter. 2007-5-13 07 288 Sonoma Cavedale Road. 518 Comment
  OBI9743  Tellima grandiflora Lewis S. Rose 1962-4-18 62023 Sonoma 1 mi NW of Freestone 76 Comment
  CAS-BOT-BC399884  Thalictrum polycarpum Peter Rubtzoff 1959-6-13 4140 Sonoma Willow Creek Marsh Comment
  UCD108607  Thermopsis californica var. californica Jennifer Bury; Peggy Herzog 1993-5-8 273 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. Comment
  UCD108604  Thermopsis californica var. californica Frederica Bowcutt; Botany 102 students 1994-5-21 1821 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. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 426 Comment
  SEINET12164396  Thermopsis macrophylla F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -103 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC66808  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10935 Sonoma Sonoma Creek Canyon. Comment
  RSA0057550  Thysanocarpus curvipes subsp. curvipes Milo S. Baker 1898-1 735 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC447590  Tiarella trifoliata subsp. unifoliata W. W. Carruth 1899-7-1 s.n. Sonoma Geysers Comment
  CAS-BOT-BC447592  Tiarella trifoliata subsp. unifoliata Peter Rubtzoff 1963-7-14 5208 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC447595  Tiarella trifoliata subsp. unifoliata Catherine Best 1980-7-1 s.n. Sonoma Growing on the bank of Dutch Bill Creek about 1 mile north of Occidental Comment
  POM192688  Tiarella trifoliata var. unifoliata H. P. Bracelin 1930-7-27 21 Sonoma One mile N. of Fort Ross. Comment
  RSA135474  Tiarella trifoliata var. unifoliata Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC376216  Tolpis barbata Greg de Nevers 1995-5-20 10730 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  JEPS54955  Tonella tenella Harry K. Roberts 1968-4-6 Sonoma 1.5 air mi nne Rio Nido (1 mi ne of Sonoma Mercury Mine, n side of Mt Jackson, on road to lookout); Mt. Jackson 320 Comment
  SD130530  Tonella tenella F. Almeda, G. DeNevers 1981-3-30 4894 Sonoma Streambank in vicinity of the Redwood Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC169260  Toxicodendron diversilobum Peter Rubtzoff 1951-8-18 630 Sonoma Western branch of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC169262  Toxicodendron diversilobum Saichi Kawahara 1968-4-20 326 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  CDA35358  Toxicodendron diversilobum G. D. Barbe 1974-4-29 1783 Sonoma 1 mile south of Washington School Road on Asti Road, south of Asti. 0 Comment
  SD254493  Toxicoscordion fontanum Ann Howald 2015-1-30 3311 Sonoma North Coast: Coastal terrace, ca. 3.0 miles southeast of Del Mar Point. 99 Comment
  CAS-BOT-BC377110  Tragopogon porrifolius G. DeNevers 1981-5-20 1220 Sonoma Pepperwood Ranch. At the Golden Gate Bus Station on Piner Road Comment
  SDSU11972  Triantha occidentalis subsp. occidentalis D. F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh 46 Comment
  UC424809  Tribulus terrestris Milo S. Baker 1929-7 4869 b Sonoma Kenwood; M.S. Baker residence, The Maples Comment
  CAS-BOT-BC376289  Trichostema lanceolatum Greg de Nevers 1992-7-25 10230 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Mark West Creek 304 Comment
  SEINET6165684 Image available Trichostema lanceolatum Unknown 1982-7-1 s.n. Sonoma 2 mi N.E. of Occidental Sonoma Co. Comment
  CHSC24184  Trichostema laxum T. P. Spira 1976-7-23 Sonoma Ca. 2 mi nw of Camp Meeker and 1/4 mi n of Bohemian Hwy. 91 Comment
  UC762794  Trichostema laxum R. F. Hoover 1942-7-13 5917 Sonoma 3 mi S of Monte Rio Comment
  RSA784985  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173537  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA784989  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD107142  Trifolium amoenum Enoch Torpen 1940-1 s.n. Sonoma Valley Ford area. Comment
  UCSC011163  Trifolium appendiculatum R. Morgan 2005-5-14 4423 D Sonoma Seed originally from one or two plants in Santa Rosa. Comment
  UC630864  Trifolium barbigerum C. V. Piper 1904-5-27 6350 Sonoma Petaluma Comment
  UC726238  Trifolium barbigerum A. A. Heller 1940-4-22 15554 Sonoma near West Windsor Comment
  UCR118959  Trifolium barbigerum var. andrewsii Beecher Crampton 1955-4-5 2410 Sonoma Santa Rosa Area, 2 miles north of Trenton, Mark West Station Road 91 Comment
  UC573316  Trifolium ciliolatum B. Schreiber 1936-3-5 2211 Sonoma 2 mi w Mark West Springs; Healdsburg quad 121 Comment
  UCD33226  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Lytton. Comment
  UC1026471  Trifolium dubium Peter Rubtzoff 1951-7-14 439 Sonoma near Forestville (s half of lower marsh, near hwy); Pitkin Marsh Comment
  CAS-BOT-BC361293  Trifolium fragiferum Greg de Nevers 1993-8-21 10490 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  UCD150142  Trifolium gracilentum 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
  POM313546  Trifolium grayi P. B. Kennedy 1929-5-25 10303 Sonoma Frick Ranch, Del Mar Comment
  UCD109772  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 Mountain trail. 426 Comment
  SEINET12165542  Trifolium incarnatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -158 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd., between Jimtown & Mercuryville 120 Comment
  UCD111236  Trifolium incarnatum Elsie Zeile Lovegrove 1954-4-21 s.n. Sonoma Near Sonoma. Comment
  UC1130076  Trifolium microcephalum H. S. Yates 1934-4-22 3855 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UCR248354  Trifolium microcephalum Peter Rubtzoff 1983-8-28 9683 Sonoma Austin Creek, c. 0.5 mi. north of Hwy 116 on Cazadero Road 15 Comment
  CAS-BOT-BC361335  Trifolium microdon Greg de Nevers 1997-4-25 10979 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC368099  Trifolium microdon Greg de Nevers 1998-5-12 11246 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC866892  Trifolium microdon A. A. Heller 1902-6-2 Sonoma Santa Rosa Comment
  CDA31340  Trifolium repens D. G. Kelch, Ed Biffin 2010-5-3 10 .212 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SEINET12166392  Trifolium striatum H. K. Wagnon 1989-1 1887 Sonoma at edge of Fort Ross School's Reservoir, Timber Cove 122 Comment
  UCD165125  Trifolium subterraneum Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  CDA15868  Trifolium tomentosum Ann Howald 2000-4-19 2037 Sonoma North Coast Biodiversity Arena; Annadel State Park. Marsh Trail, E side of Ledson marsh, about 0.1 mi. S of inters. of Marsh & Lawndale Trails. 359 Comment
  UCSC005256  Trifolium variegatum Randall Morgan 1995-5-18 2618 Sonoma Santa Rosa, Vernal field at Stony Point Road (Across from Yuba Drive) Comment
  RSA244728  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC555362  Trifolium wormskioldii H. L. Mason 1930-6-1 5648 Sonoma mouth of Gualala River Comment
  RSA169296  Triglochin maritima L. S. Rose 1964-6-3 64055 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC451943  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay. [Actually the loc. is at north end of Bodega Harbor, not Bodega Bay -- Rubtzoff '91.] 1 Comment
  CAS-BOT-BC520845  Trillium albidum Greg de Nevers 1993-3-28 10335 Sonoma Pepperwood Natural Preserve: 3450 Franz Valley Road, T9N, R8W, Sec. 35 and surrounding sections. ALong Mark West Creek and Leslie Road 304 Comment
  CAS-BOT-BC520853  Trillium albidum Greg de Nevers 1993-4-6 10361 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC520842  Trillium albidum G. DeNevers 1982-4-30 1956 Sonoma Pepperwood Ranch: Riparian area at Mark West Creek and Leslie Creek Comment
  SEINET3888776  Trillium ovatum D. W. McNeal 1976-4-3 1883 Sonoma Beside the Occidental-Monte Rio Rd., 3.0 mi. n. of Occidental.; 0 Comment
  CAS-BOT-BC521306  Trillium rivale A. A. Heller; H. E. Brown 1902-3-22 5127 Sonoma West of Sebastopol Comment
  JEPS65947  Triphysaria eriantha subsp. eriantha Peter Rubtzoff 1971-6-5 6518 Sonoma on Bennett Valley Road 4.25 mi w Glen Ellen Comment
  UC1239030  Triphysaria eriantha subsp. eriantha Freed W. Hoffman 1947-4-7 1914 Sonoma near Windsor; North Coast Ranges Comment
  SEINET6987687  Triphysaria pusilla W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Maritime grassland 5 miles north of Fort Ross. Comment
  UC1334870  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-5-4 468 Sonoma 0.1 mi w of junction of Petaluma-Valley Ford road with Tomales-Petaluma road Comment
  UC673454  Triphysaria versicolor subsp. faucibarbata H. L. Mason 1928-4-8 4297 Sonoma in fields near Sebastopol Comment
  SEINET13748176  Triphysaria versicolor subsp. faucibarbata W. Roderick 1967-5-6 s. n. Sonoma East edge of Petaluma 8 Comment
  UC58260  Triphysaria versicolor subsp. versicolor A. A. Heller 1903-4-23 6607 Sonoma Fort Ross Comment
  CAS-BOT-BC200114  Trisetum canescens Peter Rubtzoff 1953-5-17 1378 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC227657  Trisetum canescens Peter Rubtzoff 1955-5-14 1847 Sonoma Duncans Mills Marsh. Comment
  UCD93632  Trisetum canescens R. Tofsrud 1941-4-1 156 Sonoma Rhododendron Park. Comment
  CAS-BOT-BC522357  Triteleia hyacinthina Peter Rubtzoff 1957-5-26 3364 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC522360  Triteleia hyacinthina Peter Rubtzoff 1969-5-11 6042 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner road. Comment
  CAS-BOT-BC522362  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC522365  Triteleia hyacinthina Peter Rubtzoff; R. Bacigalupi 1971-6-10 6527 Sonoma On southside of W. Railroad Avenue between Fwy 101 and Stony Point Road Comment
  SEINET7042677  Triteleia hyacinthina A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  CAS-BOT-BC527032  Triteleia laxa Peter Rubtzoff 1952-6-10 1199 Sonoma Northeast slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC527035  Triteleia laxa Dorothy Scherer 1997-5-6 125 Sonoma Along path heading north off Fort Ross Road, ca. .6 mile west of Seaview Road, Fort Ross State Historic Park 365 Comment
  CLARK-A1528-1521  Triteleia laxa John C. Roos 1950-7-22 4866 Sonoma Jenner Comment
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Sep 13 2015
  SEINET7042391  Triteleia laxa A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  CAS-BOT-BC74108  Turritis glabra Rimo Bacigalupi 1926-5-2 1404 Sonoma Cazadero. Comment
  CAS-BOT-BC208026  Ulex europaeus John H. Thomas 1966-3-22 11543 Sonoma on hillsides in the vicinity of Bodega Comment
  POM149110  Umbellularia californica A. A. Heller, H. E. Brown 1902-3-10 5013 Sonoma Hills East of Santa Rosa. Comment
  SEINET5887385 Image available Urtica dioica subsp. gracilis L. S. Rose 1964-1 64056 Sonoma Ca 5 ft end of Bodega Bay Comment
  CAS-BOT-BC404246  Urtica dioica subsp. holosericea Peter Rubtzoff 1955-8-20 2057 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC391315  Vaccaria hispanica F. G. Krauss 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  CAS-BOT-BC193980  Vaccinium cespitosum Milo S. Baker 1939-5-19 9329 Sonoma Marsh on ranch of J.J. Perry, on Gravenstein Highway about one half miles south of Molino west side of road, Twin Pine Ranch Comment
  UCD118081  Vaccinium ovatum Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-29 094 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS45856  Vancouveria planipetala Eleanor Armstrong 1932-5-18 475 Sonoma Camp Meeker 121 Comment
  UC558486  Veratrum fimbriatum Elizabeth E. Morse 1936-8-30 Sonoma Gualala River Comment
  CAS-BOT-BC135769  Veratrum fimbriatum C. B. Wolf 1927-9-2 1350 Sonoma One mile south of the Gualala River on the coast road. Comment
  CAS-BOT-BC135771  Veratrum fimbriatum Catherine Best 1981-8-22 s.n. Sonoma On Green Hill Road 3 miles easterly, airline, from Occidental Comment
  CAS-BOT-BC157957  Verbascum Peter Rubtzoff 1954-7-27 1564 Sonoma [Guernerville] Guerneville Marsh Comment
  CDA15998  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15678 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. with benches above. Comment
  JEPS58976  Verbascum virgatum Pat Watters and Walter Knight 1963-7-19 Sonoma Gravenstein Highway intersection with US 101 Freeway Cotati (Cotati) Comment
  CDA31033  Verbena lasiostachys var. scabrida D. G. Kelch, Troy McGregor 2010-8-22 10 .35 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC164366  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh. Comment
  UCD148336  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh. Comment
  UCR279614  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh 9 Comment
  JEPS67155  Veronica anagallis-aquatica Peter Rubtzoff 1971-8-24 6660 Sonoma 3 mi w of Fulton (tributary of Mark West Creek); Mark West Creek Comment
  RSA0021066  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  UCD148393  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1958-4-26 3594 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC262807  Veronica scutellata Peter Rubtzoff; Nancy Harrison 1978-5-20 9185 Sonoma Cunningham Marsh Area, on north side of Blucher Creek Valley. Comment
  UCR255466  Veronica scutellata Ann Howald 2014-5-2 3002 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  CDA42011  Veronica scutellata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. 0 Comment
  UCD108841  Vicia Mary M. Hektner; Sue Dakuazku, Cathy Hendel 1974-7-3 108 Sonoma Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC424791  Vicia americana var. americana unknown Apr 1930 4847 a Sonoma near Plantation Comment
  RSA0045171  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along road to Weimar Flat. 100 Comment
  JEPS73355  Vicia sativa Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 758 Sonoma 1 mi w Two Rock Junction Comment
  SBBG3895  Vicia sativa H. and M. Dearing 1939-5-15 3382 Sonoma N of Fort Ross Comment
  HSC15288  Vicia villosa subsp. varia S. N. Wiemeyer 1962-4-13 14 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UC1742244  Viola Milo S. Baker 1948-5-17 12040 Sonoma Brookside Garden Comment
  SEINET6176299  Viola adunca James Faro 1962-4-22 23 Sonoma Ocean Cove Ranch, about 4 miles north of Fort Ross on Highway 1.; 0 Comment
  UC1761626  Viola douglasii Dorothy Bately 1932-2-19 Sonoma Santa Rosa Golf Links Comment
  UC1763353  Viola douglasii Edith Hessel 1927-3-5 Sonoma Santa Rosa Golf Club, on road past golf house, turns from road to Sonoma Comment
  RSA135422  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC536908  Viola glabella Peter Rubtzoff 1958-5-30 3682 Sonoma Sonoma County Marshes: Duncans Mills Marsh at the border of the upper part of the Marsh Comment
  CAS-BOT-BC5196  Viola helleriana Amos Arthur Heller; H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay. Comment
  UC1762374  Viola lobata Freed Hoffman 1951-4-27 3834 Sonoma Mt. St. Helena, along fire road Comment
  RSA80503  Viola lobata Milo S. Baker 1942-4-29 10189 Sonoma Spring Mt Road near summit. Near Napa -Sonoma county line. 457 Comment
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Jun 10 2012
  RSA80501  Viola lobata subsp. integrifolia Milo S. Baker 1942-6-11 10205 Sonoma Summit of Spring mtn, road near boundary between Sonoma and Napa Cos. Comment
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Jun 10 2012
  UC1761472  Viola ocellata Milo S. Baker 1898-4-3 991 Sonoma between Cazadero and Guerneville Comment
  UC540626  Viola palustris subsp. brevipes Milo S. Baker 1934-4-1 7692 a Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  UC1761619  Viola pedunculata Helen Von Grafen 1927-4-15 Sonoma near Cunningham station; Sebastopol Comment
  UC1762575  Viola pedunculata Milo S. Baker May 1897 5539 Sonoma road from Petaluma to Santa Rosa Comment
  UC1742247  Viola viarum Milo S. Baker 1939-4-1 9273 Sonoma Brookside Garden Comment
  RSA262373  Viscum album Jesse Dubin 1971-3-4 s.n. Sonoma Near Sebastopol. Comment
  CDA14898  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment
  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
  RSA0020340  Vitis Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 mi east of Guerneville, along Russian River. Comment
  CAS-BOT-BC203129  Vitis californica Peter Rubtzoff 1951-8-5 595 Sonoma Mirabel Park, 1 1/2 mi. north of Forestville Comment
  RSA0121714  Vitis californica Lewis S. Rose 1968-6-25 68115 Sonoma Rincon Ridge, NE of Santa Rosa. 122 Comment
  CAS-BOT-BC199908  Vulpia bromoides Peter Rubtzoff 1960-5-18 4365 Sonoma Bodega Head Marsh Comment
  UCD93551  Vulpia bromoides P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Retrified Forest Road. Comment
  UCD93565  Vulpia bromoides Peter Rubtzoff 1951-6-16 236 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  UCD93553  Vulpia bromoides Paul Klemansky 1934-4-28 s.n. Sonoma near Llano Road, south of Santa Rosa. Comment
  CAS-BOT-BC184597  Vulpia microstachys var. pauciflora Greg de Nevers 1990-5-1 9669 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 457 Comment
  UC971689  Vulpia microstachys var. pauciflora Leo Koch 1940-4-22 838 a Sonoma Geysers; Sulphur Creek Canyon Comment
  UCD94740  Vulpia myuros Beecher Crampton 1955-4-11 2470 Sonoma Green Valley. Comment
  UCD94742  Vulpia myuros Beecher Crampton 1956-3-12 3221 Sonoma Italian-Swiss Colony Winery grape vineyards, Asti. Comment
  HSC20443  Whipplea modesta Martha Meagher 1947-4-6 101 Sonoma County rd. 0.5 mi. W of Freezeout Creek across Russian River from Duncan's Mills