Search Results — 2000 specimen records retrieved (1299 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC203225  Abutilon Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road Comment
  CAS-BOT-BC371439  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Road at Mark West Springs Road 400 Comment
  SEINET9342872  Acacia dealbata John Nelson, Wnek, R. 2000-3-6 20955 Sonoma Sonoma County 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-BC332751  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  CAS-BOT-BC332752  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  CHSC21438  Acer macrophyllum Robert A. Schlising 1962-3-31 2127 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  UC1084436  Acer macrophyllum G. Thomas Robbins 1940-3-21 294 Sonoma along Chalk Hill road ca 5 mi e Windsor; e of Windsor 91 Comment
  UC70393  Acer macrophyllum Milo S. Baker April 1898 606 Sonoma Santa Rosa Creek Canyon Comment
  UCR2992  Acer macrophyllum Wm. Horn Jr. 1963-4-10 630410- 3 Sonoma San Francisco Bay Region, 4 mi west of Sebastopol, 40 yd north of Bodega Hwy Comment
  POM136900  Acer negundo subsp. californicum A. A. Heller, H. E. Brown 1902-4-15 5303 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC336943  Acer negundo var. californicum A. A. Heller; H. E. Brown 1902-4-15 5303 Sonoma Santa Rosa Creek 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-BC30080  Achillea millefolium Peter Rubtzoff 1951-6-16 250 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the upper marsh Comment
  UCSB50239  Achillea millefolium Gray, John 1976-5-1 Sonoma Bluff over Salmon Creek State Beach; T6N R11W 18 Comment
  CAS-BOT-BC30084  Achillea millefolium G. DeNevers 1981-5-15 1168 Sonoma N arm of Garrison Canyon Comment
  CAS-BOT-BC30450  Achillea millefolium Saichi Kawahara 1968-4-20 315 Sonoma Along Highway 116, 3 miles northeast of Lakeville Road 76 Comment
  RSA0000831  Achillea millefolium var. arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay 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-BC400008  Achlys triphylla Greg de Nevers; Susan Charnley 1987-3-28 8129 Sonoma Sea Ranch, along the Gualala River 20 Comment
  UCD38482  Acmispon Beecher Crampton 1955-6-17 2967 Sonoma Fort Ross. Comment
  SD37777  Acmispon americanus Edith A. Purer 1932-7-24 4071 Sonoma Canyon west of Santa Rosa Comment
  UCD104106  Acmispon glaber Frederica Bowcutt 1994-6-12 1871 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail above Adobe Canyon Road (road visible from trail.) Less than 1/8 mile SW of trail juncture with Pony Gate Gulch Creek. 326 Comment
  HSC100949  Acmispon grandiflorus Peter Warner, Jason Martinez 2011-4-27 188 Sonoma Jenner Headlands, Kidd Creek watershed, near ridge-top along road. 285 Comment
  UCD104496  Acmispon wrangelianus P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC29850  Adenocaulon bicolor Rimo Bacigalupi 1926-5-2 1398 Sonoma Cazadero Comment
  CAS-BOT-BC30276  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  UCD128525  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  UC903198  Adiantum aleuticum Ethel Crum 1930-7-27 823 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  UC479340  Adiantum jordanii Marcus E. Jones, A. M. 1931-7-5 29165 Sonoma The Geysers Comment
  UC1112779  Aegilops triuncialis Paul Furbush 1958-5-29 Sonoma Cloverdale, River Road Cloverdale; , River Road 45 Comment
  CDA1668  Aegilops triuncialis T. C. Fuller 1960-6-14 4484 Sonoma Weeks Ranch, Los Alamos Rd., ca. 8 miles NE/ Santa Rosa 0 Comment
  OBI20359  Aesculus californica Dave Morse 1972-7-29 4 Sonoma One mile NE of Cloverdale, on hwy 128 91 Comment
  SEINET3096032 Image available Aesculus californica Royal D. Suttkus 1967-6-25 67- 29 -1 Sonoma 4.4 miles SE of Alexander Valley. Comment
  UCD117143  Aesculus californica Frederica Bowcutt 1997-7-18 2175 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  UCD166070  Agoseris Peter Rubtzoff 1971-5-30 6479 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD158774  Agoseris grandiflora James A. Neilson Jr. 1974-6-1 3558 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD160854  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-25 3275 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET7067262  Agoseris heterophylla A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  POM180621  Agoseris hirsuta J. T. Howell 1930-6-8 5268 Sonoma North end of Bodega Bay. Comment
  CAS-BOT-BC166697  Agrostis Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8584 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC209999  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  RSA785750  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh Comment
  UCD151135  Agrostis James A. Neilson Jr. 1973-6-6 2986 Sonoma Mayacmas Mountains. The Geysers. Site A. (Elevation estimated using Google Earth by label maker.) 441 Comment
  RSA129634  Agrostis H. S. Yates 1936-4-3 5574 Sonoma 1 mile NE of Petrified Forest. 305 Comment
  UCD35514  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma 4.6 miles north of Salmon Creek, Sonoma Coast State Park, Duncan's Point. Comment
  UCD51839  Agrostis blasdalei Beecher Crampton 1957-7-22 4390 Sonoma above Stillwater Cove, State Hwy. 1, 11.1 miles south Stewart's Point. Comment
  CAS-BOT-BC127470  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma Above Blind Beach, just south of Goat Rock, Sonoma Coast State Park, ca. 9 miles north of Salmon Creek. Comment
  UCD51975  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  CAS-BOT-BC126971  Agrostis exarata Greg de Nevers 1992-6-25 10178 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Rogers Homestead. 304 Comment
  CAS-BOT-BC126972  Agrostis exarata G. DeNevers 1981-5-23 1288 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. BLM. Comment
  HSC8793  Agrostis exarata C. S. Chavez 1965-6-5 83 Sonoma 1 mi. N of Sebastopol on Guerneville Rd. Comment
  UC1130662  Agrostis exarata H. S. Yates 1937-6-6 6582 Sonoma 5 mi ne Duncan Hills; Sebastopol Quadrangle Comment
  UCD38727  Agrostis exarata Beecher Crampton 1957-7-11 4298 Sonoma 1.4 miles southeast of Bodega Bay. Along State Hwy. 1. Comment
  UCD52413  Agrostis exarata Freed W. Hoffman 1944-5-30 2014 Sonoma Russian River, Guernewood Park. Comment
  UCD52229  Agrostis exarata var. pacifica Beecher Crampton 1957-7-22 4381 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC139554  Agrostis gigantea Peter Rubtzoff 1951-7-1 335 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  UC1130720  Agrostis hallii H. S. Yates 1937-6-6 6579 Sonoma 8 mi sw Healdsburg; Healdsburg Quad. Comment
  UC573390  Agrostis hallii H. S. Yates 1937-6-6 6570 Sonoma 8 mi sw Healdsburg; Healdsburg Quad. 152 Comment
  SBBG115784  Agrostis hallii B. Crampton 1953-5-19 1298 Sonoma ca. 5 mi W of Calistoga on St Hwy 128, at Napa county line Comment
  CAS-BOT-BC138856  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma 6.5 miles north of Sonoma, State Highway 12. Comment
  SEINET197664  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Sulfur Creek Geysers: grassy hills above Comment
  RSA94289  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Uppermost part of the western branch of the Uppper Marsh Comment
  UC766899  Agrostis pallens R. F. Hoover 1941-5-14 5087 Sonoma 2 mi s Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC138594  Agrostis stolonifera 1947-6-26 11842 Sonoma Cunningham Marsh ca. 1 mile (airline) southwest of Cunningham Station. Comment
  CAS-BOT-BC138598  Agrostis stolonifera Walter Knight; Irja Knight 1963-8-13 388 Sonoma Horseshoe Cove. Comment
  CAS-BOT-BC47988  Ailanthus altissima Greg de Nevers 1992-6-26 10185 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  RSA94464  Aira caryophyllea Peter Rubtzoff 1951-6-16 230 Sonoma Lower part of the upper marsh. Comment
  SEINET3127807  Aira caryophyllea Michener, Bioletti sn Sonoma S. Los Guilicos 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
  UCD166253  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma Five miles north of Sears Point. 11 Comment
  UCD55144  Alisma lanceolatum Ellen Dean; Tammie Beyerl 2006-4-28 3026 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  CAS-BOT-BC445333  Alisma lanceolatum Peter Rubtzoff 1958-9-20 3993 Sonoma Laguna de Santa Rosa northeast of Graton (1/2 mi. north of Guerneville Rd.). Comment
  CAS-BOT-BC445340  Alisma lanceolatum Peter Rubtzoff 1954-8-12 1696 Sonoma Bennett Mtn. Lake. Comment
  UC1042432  Alisma plantago-aquatica Peter Rubtzoff 1951-8-19 664 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh Comment
  SEINET11764780  Alisma triviale W. Knight, Knight, I. 1984-1 6352 Sonoma Wallow Brook between Corona Road and Redwood Highway 8 Comment
  RSA367164  Allium Christopher Davidson 1977-6-20 6018 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  CAS-BOT-BC462381  Allium amplectens Milo S. Baker 1927-6-10 2211 a Sonoma Macartney Woods Comment
  CAS-BOT-BC462382  Allium amplectens Milo S. Baker 1927-6-5 2211 c Sonoma Macartney Woods Comment
  UC1333294  Allium dichlamydeum Malcolm L. Byce 1936-5-20 627 Sonoma Bodega Bay Comment
  CAS-BOT-BC469103  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  POM110163  Allium dichlamydeum Marcus E. Jones s.n. Sonoma Bodego Point Comment
  CAS-BOT-BC132059  Allium peninsulare var. peninsulare J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC311778  Allium sativum Mary P. Wells 1985-7-1 523 Sonoma Ducker Creek bank, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC475434  Allium sativum Mary P. Wells 1985-7-1 523 Sonoma Dike of Ducker Creek, Rincon Valley, Santa Rosa Comment
  UCD138615  Allium unifolium Jane Justus 1966-5-3 29 Sonoma State Highway 116, 14 miles west of Petaluma. 9 Comment
  UCD138618  Allium vineale G. D. Barbe 1974-4-29 1782 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. Comment
  SEINET7220232  Allotropa virgata W. Roderick 1967-6-18 s.n. Sonoma Ida Clayton Rd. NW side of Mt. St. Helena 610 Comment
  CAS-BOT-BC169654  Alnus rhombifolia Peter Rubtzoff 1960-6-10 4497 Sonoma Fife Creek Marsh Comment
  RSA800208  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  UC847422  Alnus rubra Marcus E. Jones, A. M. 1882-7-17 3484 Sonoma Duncan's Mills Comment
  CAS-BOT-BC137902  Alopecurus saccatus Peter Rubtzoff 1969-5-24 6066 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC257987  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7846 Sonoma Southern area of Kenwood Marsh, ca. 0.5 miles south of Kenwood. Comment
  UCD164984  Amaranthus Peter Rubtzoff; Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7846 Sonoma Southern area of Kenwood Marsh, ca. 0.5 miles south of Kenwood. Comment
  RSA177975  Amelanchier pallida Robert F. Thorne 1965-4-19 34302 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  SEINET11909600  Amelanchier utahensis W. Knight, Knight, I. 1982-1 4522 Sonoma Tilden Regional Park, botanic garden, Berkely, ca Originally collected at Bodega Bay Comment
  CAS-BOT-BC154862  Ammannia Peter Rubtzoff 1970-8-18 6307 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC177234  Amorpha californica var. napensis D. E. Breedlove 1980-6-27 44762 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC222277  Amsinckia John Thomas Howell 1934-3-25 11778 Sonoma Lakeville Comment
  CAS-BOT-BC222278  Amsinckia John Thomas Howell 1934-3-25 11777 Sonoma Lakeville Comment
  SEINET2028844 Image available Anagallis arvensis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15219 Sonoma 2 miles north of Kellogg Comment
  UCD56042  Andropogon glomeratus Freed W. Hoffman 1943-6-17 s.n. Sonoma Guerneville. Comment
  UCD56062  Andropogon glomeratus var. pumilus Virginia Bufford 1936-8-18 413 Sonoma Pitkins Marsh, Vine Hill District. Comment
  UCD56108  Andropogon virginicus Virginia Bufford 1936-8-19 415 Sonoma Vine Hill District, Pitkins Marsh. Comment
  CAS-BOT-BC361368  Anemone oregana Greg de Nevers 1997-4-2 10926 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa West of tower-in-saddle 400 Comment
  POM188473  Angelica californica Marcus E. Jones 1931-7-5 29050 Sonoma West of Cloverdale. Comment
  UCD127228  Angelica hendersonii Mary M. Hektner; Cathy Hendel 1974-7-25 175 Sonoma Shell Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA38217  Angelica tomentosa T. C. Fuller 1957-9-24 406 -57 Sonoma Forestville. 0 Comment
  JEPS40427  Anisocarpus madioides Edw. L. Greene 1894-6-14 Sonoma Knights Valley Comment
  CAS-BOT-BC271439  Anisocarpus madioides Peter Rubtzoff 1954-6-5 1454 Sonoma Hills south of Guerneville, Neeley Hill area Comment
  CAS-BOT-BC102230  Anthemis cotula Peter Rubtzoff 1952-6-10 1235 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UCD129069  Anthemis cotula Charles B. Heiser Jr. 1946-8-17 1827 Sonoma Banks of Russian River, near Duncan Mills. Comment
  CAS-BOT-BC137689  Anthoxanthum odoratum Peter Rubtzoff 1955-5-14 1849 Sonoma Duncans Mills Marsh. Around the eastern border of the Marsh. Comment
  UC978117  Anthriscus caucalis L. Beane and Lois E. James 1949-5-11 1985 Sonoma 3 mi e Hopland Comment
  UCD160312  Anthriscus caucalis James A. Neilson Jr. 1975-5-23 3212 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  RSA496671  Antirrhinum cornutum L. F. LaPre 1986-6-5 s.n. Sonoma Dorr Place, 4 miles up a private road from Manning's Flats in Austin Creek State Recreation Area, 6 mi. N. of Cazadero on upper Austin Creek. Comment
  JEPS103955  Antirrhinum vexillocalyculatum subsp. breweri Jack and Betty Guggolz 1991-6-20 1193 Sonoma ridge running W from an old homesite, about 1 1/4 mi N of Camp Meeker 161 Comment
  POM188514  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones 1931-7-5 28820 Sonoma Cloverdale Comment
  UCD126297  Apiastrum angustifolium Frederica Bowcutt 1996-5-19 2126 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
  UC1299405  Aquilegia eximia Freed W. Hoffman 1946-9-26 583 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  CAS-BOT-BC394990  Aquilegia formosa Saichi Kawahara 1968-4-20 322 Sonoma Trinity Road, 1 mile northwest of Highway 12 152 Comment
  CAS-BOT-BC128616  Arbutus menziesii D. E. Breedlove 1980-6-27 44760 Sonoma Pepperwood Ranch W of Knights Valley Comment
  POM77224  Arbutus menziesii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  SEINET11987357  Arbutus menziesii W. Knight, Knight, I. 1981-1 3982 Sonoma 5.2 mi up Cavedale Rd from jct of State Rt #12 Comment
  SEINET5730634 Image available Arbutus menziesii Janet McIntosh 1966-1 23 Sonoma 2 miles north of Guerneville.; Guerneville 30 Comment
  RSA629204  Arctostaphylos Jon E. Keeley 1993-9-11 24783 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629222  Arctostaphylos Jon E. Keeley 1993-9-11 24773 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388374  Arctostaphylos Freed W. Hoffman 1947-3-9 807 Sonoma serpentine outcrop ne Camp Meeker; North Coast Ranges Comment
  UC1388360  Arctostaphylos X candidissima Freed W. Hoffman 1948-5-10 2677 Sonoma e face North Coast Ranges, Cobb Mt. 1219 Comment
  CAS-BOT-BC25323  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10893 Sonoma Graton-Occidental road. Comment
  UC1120873  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1556 Sonoma 2 mi nne Occidental; Sebastopol Quadrangle Comment
  RSA202121  Arctostaphylos bakeri subsp. bakeri Freed W. Hoffman 1947-3-11 823 Sonoma Northeast of Camp Meeker Comment
  SBBG28818  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 mi E of Occidental Comment
  SBBG33672  Arctostaphylos bakeri subsp. bakeri C. Bornstein, E. Collins 2006-8-23 Sonoma Harrison Grade Rd, ca. 1 mi S of jct with Green Valley Rd 158 Comment
  UCD51783  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1985-9-29 RR 50899 Sonoma Northeast end of town of Healdsburg on Reservoir Hill. 121 Comment
  RSA622716  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24764 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA622723  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24768 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET11987356  Arctostaphylos canescens W. Knight, Knight, I. 1981-1 3986 Sonoma 4.2 mi up Cavedale Rd from jct of CA 12 Comment
  POM209636  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 12 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  UC1281371  Arctostaphylos canescens subsp. canescens H. E. McMinn 1936-4-4 4395 Sonoma ridge near R. L. Stevenson Monument; Mt. St. Helena Comment
  UC1388355  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1946-8-20 868 Sonoma at quarry North Coast Ranges, Napa Range (Trinity Road, w slope of range) Comment
  UC1388358  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1947-3-12 753 Sonoma Trinity road ne Kenwood (w slope of range); North Coast Ranges, Napa Range Comment
  CAS-BOT-BC23884  Arctostaphylos canescens subsp. sonomensis R. F. Hoover 1963-1-12 8549 Sonoma Rincon Ridge Comment
  POM367247  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1934-2-22 34030 Sonoma Rincon Ridge, 3 mi NE Santa Rosa Comment
  RSA40093  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 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
  CDA12242  Arctostaphylos columbiana G. F. Hrusa 1989-1-1 5796 Sonoma North Coast Biodiversity Arena; Approx. 5 miles N of Fort Ross on Hwy 1. Comment
  UC424787  Arctostaphylos columbiana Milo S. Baker 1929-7-16 3621 a Sonoma e slope of ridge along hwy Inverness Comment
Read comments Feb 17 2015
  UCD50681  Arctostaphylos columbiana Freed W. Hoffman 1947-12-1 2747 Sonoma Salt Point. Comment
  CAS-BOT-BC23640  Arctostaphylos columbiana Mary P. Wells; Mary Rhyne; John Madison 1985-11-4 694 A Sonoma About half mile south of Gualala River Comment
  CAS-BOT-BC24979  Arctostaphylos densiflora Walter Knight; Irja Knight; Elizabeth McClintock; J. Sigg 1981-3-25 4037 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24995  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24999  Arctostaphylos densiflora J. Clausen 1933-3-26 746 Sonoma Summit of Harrison Grade, Between Graton and Occidental. Comment
  CAS-BOT-BC25012  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4083 Sonoma Originally from Vine Hill area near Sebastopol. Comment
  RSA107817  Arctostaphylos densiflora L. S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mies W of Santa Rosa Comment
  SD56794  Arctostaphylos densiflora Darley F. Howe 1963-5-22 3523 Sonoma 10 miles west of Santa Rosa on Vine Hill Road. 149 Comment
  UC1093995  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55003 Sonoma 9 mi w Santa Rosa (type locality); Vine Hill Comment
  UC1614285  Arctostaphylos densiflora Charles M. Belshaw 1936-3-7 1568 Sonoma just e of Trenton (Forest Hill Road, turn off to Vine Hill School); Forest Hill Road Comment
  UC549448  Arctostaphylos densiflora J. E. Adams 1934-3-28 716 Sonoma Vine Hill School Sta. Rosa Comment
  UC571087  Arctostaphylos densiflora H. L. Mason 1931-3-7 5805 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  UCD50805  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma Vine Hill School Road, 0.1 mile east of junction with Vine Hill Road, ca. 10 miles west of Santa Rosa. Comment
  OBI7428  Arctostaphylos densiflora Melinda Doud 1976-5-29 89 Sonoma Just N of Santa rosa Comment
  SEINET11987220  Arctostaphylos densiflora W. Knight, Knight, I. 1980-1 3858 Sonoma California Native Plant Society preserve on Vine Hill School Rd, near Graton Comment
  UCD162188  Arctostaphylos glandulosa D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1523 Sonoma Hooker Creek watershed. 520 Comment
  CAS-BOT-BC23278  Arctostaphylos glandulosa subsp. cushingiana H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  JEPS98886  Arctostaphylos glandulosa subsp. cushingiana James Roof 1967-3-19 Sonoma W of Healdsburg (Dorman Canyon Road); Dry Creek watershed Comment
  POM181140  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1931-3-14 5763 Sonoma Rincon Ridge. Comment
  UC473583  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5779 Sonoma Vine Hill District Comment
  CAS-BOT-BC24722  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5170 Sonoma S. of Mt. Tam. 5.1 mi. w. on kelly Road from Rockpile Road junction. 609 Comment
  RSA631190  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24727 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC38986  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Near Cazadero, The Cedars, population samples from north end of 10 acre study area. 274 Comment
  RSA633054  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27491 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  RSA202106  Arctostaphylos manzanita Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek, a branch of Dutch Bill Creek. Comment
  RSA96663  Arctostaphylos manzanita P. C. Everett, E. K. Balls 1954-10-20 20374 Sonoma steep, dry, open slopes, 3.2 mi. S of Lake-Sonoma Co. line on road from Middletown to Mt. St. Helena. 671 Comment
  SEINET11984823  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1066 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11990976  Arctostaphylos manzanita Unknown 1983-1 30491 H Sonoma near confluence of Thompson Creek & East Austin Creek, East Austin Creek St. Rec. Area 91 Comment
  SEINET11991024  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4571 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET11987123  Arctostaphylos manzanita subsp. bakeri S. W. Edwards 1981-1 s.n. Sonoma Green Hill Rd Comment
  CAS-BOT-BC38655  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1937-4-11 12906 Sonoma M.S. Baker's place, sw. slope of Mt. Hood Comment
  CAS-BOT-BC38698  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1940-2-18 867 Sonoma Pitkin ranch, 10 miles west of Santa Rosa 45 Comment
  CAS-BOT-BC38741  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-11-15 788 Sonoma Hood's Peak, on road below Johnson Lake. Comment
  CDA33697  Arctostaphylos manzanita subsp. manzanita D. G. Kelch, D. A. Weinstein 2010-12-1 10 .45 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  POM209912  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma Residence of M.S. Baker, at west base of Mt. Hood. Comment
  UC909869  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 727 Sonoma 4 or 5 mi from Seaview (Cazadero Rd) Comment
  CAS-BOT-BC38678  Arctostaphylos manzanita subsp. manzanita Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4157 Sonoma From Strybing Arboretum, San Francisco, #78-161. Originally from Hood's Peak in Sonoma County. Comment
  CAS-BOT-BC43880  Arctostaphylos stanfordiana John Thomas Howell 1933-4-2 10951 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC47350  Arctostaphylos stanfordiana A. A. Heller; H. E. Brown 1902-3-27 5171 Sonoma Western base of Mt. Hood. From type region. Comment
  JEPS78746  Arctostaphylos stanfordiana Edward Lee 1936-5-3 2017 Sonoma 13.7 mi (by road) from Santa Rosa (Sonoma-Santa Rosa Road) 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
  LA88609  Arctostaphylos stanfordiana Robert F. Thorne; 1965-4-20 34344 Sonoma top of Parker Hill, N end of Parker Hill Rd, ca. 3 mi. N of Santa Rosa 243 Comment
  OBI14515  Arctostaphylos stanfordiana Robert F. Hoover 1963-1-12 8547 Sonoma Cavedale rd, Hoods Peak Range Comment
  RSA636822  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24739 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET11984944  Arctostaphylos stanfordiana subsp. bakeri Unknown 1966-1 695 Sonoma E of Occidental Ridge on Graton Rd, ca 2.5 mi E of Occidental Comment
  UC549531  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 747 Sonoma 1 mi s McNamees Store Comment
  SEINET11991028  Arctostaphylos viscida W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4750 Sonoma The Cedars, on Twitchell Ranch near Cazadero 305 Comment
  RSA364239  Arctostaphylos viscida subsp. pulchella Walter Knight, Irja Knight, Steve Edwards, B. K. Knight 1986-4-20 5363 Sonoma Along trail to Sulphur Peak, east of Geyserville. 976 Comment
  UC101569  Arctostaphylos viscida subsp. pulchella Alice Eastwood 1900-2-22 Sonoma Mt. St. Helena 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
  UCD98459  Armeria maritima subsp. californica Chris Bowen 1974-6-2 148 Sonoma near State Highway 1, Sea Ranch. 12 Comment
  UCD14373  Armeria maritima subsp. californica L. Coats 1983-5-17 25 Sonoma Sonoma Co., along Highway 1, 4.3 miles north of Salt Point State Park; 21 Comment
  CHSC1226  Armeria maritima var. californica A. Small 1954-6-4 Sonoma Doran Park. Comment
  CDA5448  Arnica discoidea D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .281 Sonoma Cavedale Rd. Comment
  CAS-BOT-BC82565  Arnica discoidea Catherine Best 1981-6-5 s.n. Sonoma at Warm Springs Dam Overlook Comment
  CAS-BOT-BC172579  Artemisia Peter Rubtzoff 1951-9-3 730 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC90862  Artemisia pycnocephala Alice Eastwood 1915-6-29 4801 Sonoma Bodega Point Comment
  UCD56044  Arundinaria J. Alexander 1921-11-1 s.n. Sonoma Healdsburg. Comment
  UC72227  Asarum caudatum Milo S. Baker 1898-4-5 Sonoma Near Stewart's Point Comment
  CAS-BOT-BC400603  Asarum caudatum Peter Rubtzoff 1955-7-31 2016 Sonoma Forestville Marsh. Along the southern margin of the marsh Comment
  UC1299771  Aspidotis densa Freed W. Hoffman 1947-3-5 812 Sonoma near Guerneville (Gilliam Creek) Comment
  UC1242061  Aspidotis densa Don Branscomb 1958-6-1 Sonoma head of Oregon Canyon Guerneville Comment
  UCD137288  Aspidotis densa Frederica Bowcutt 1994-7-5 1939 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon about 1/4 air mile N of Sonoma Creek and W of Bear Creek road cut along dirt road at intersection wih Goodspeed Trail. 326 Comment
  UC13334  Astragalus breweri W. H. Brewer 1862-4-17 979 Sonoma near Sonoma; ; near Sonoma Comment
  UC764626  Astragalus breweri R. F. Hoover 1939-4-18 4038 Sonoma Occidental Comment
  UCD168059  Astragalus breweri James Neilson 1977-4-24 3885 Sonoma crest of Mayacmas Mountains. (Exact location unknown. Neilson may have been on the south side of Pine Mountain on this date.) Comment
  UC1573056  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma 7 mi ne Santa Rosa (near Alpine School); ne of Santa Rosa, near Alpine School 152 Comment
  CAS-BOT-BC186818  Astragalus gambelianus M. S. B. 1925-4-19 270 a-Local Sonoma Near Bruner's, Sonoma Mt. Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  CAS-BOT-BC186822  Astragalus gambelianus John Thomas Howell 1931-4-19 6433 Sonoma Spring Mountain Road, 7.5 miles from St. Helena Comment
  RSA227215  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1958-8-23 3911 Sonoma Laguna de Santa Rosa east of Cunningham Comment
  CAS-BOT-BC66148  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-11-24 843 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66153  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh 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
  CAS-BOT-BC304422  Atriplex Peter Rubtzoff 1956-9-14 2880 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC290669  Atriplex Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  CAS-BOT-BC146141  Avena barbata G. DeNevers 1981-5-9 1018 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead. Comment
  CAS-BOT-BC68342  Azolla filiculoides Peter Rubtzoff 1959-6-13 4133 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC154996  Baccharis douglasii Peter Rubtzoff 1955-9-10 2130 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC98603  Baccharis douglasii John Thomas Howell 1945-8-14 21398 Sonoma Perry Marsh Comment
  CAS-BOT-BC98648  Baccharis douglasii G. DeNevers 1981-7-11 1746 A Sonoma Pepperwood Ranch - at the big spring at the Skovie Comment
  RSA94308  Baccharis douglasii Peter Rubtzoff 1951-8-4 575 Sonoma Open area between the Upper and Lower marshes Comment
  UC727746  Baccharis glutinosa Milo S. Baker 1946-7-28 11539 Sonoma Sear's Point Highway Comment
  CAS-BOT-BC99587  Baccharis pilularis John H. Thomas 1976-6-17 18354 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Coastal bluffs Comment
  CHSC110163  Baccharis pilularis subsp. pilularis Scott Sundberg; Linda Hardison 1986-9-15 3259 Sonoma 1 mi N of Bodega Bay, common along sea cliff near Hwy. 101. Comment
  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-BC16696  Barbarea orthoceras Dorothy Scherer 1996-3-25 018 Sonoma West of Highway 1 and south of Kolmer Gulch, Fort Rose State Historic Park. 12 Comment
  UCD151177  Barbarea orthoceras James A. Neilson Jr. 1974-4-24 2948 Sonoma Mayacmas Mountains. Socrates Mine Road, 1/2 mile east of headquarters, ca 3 1/2 miles southeast of The Geysers. (Elevation estimated using Google Earth by label maker.) 853 Comment
  CAS-BOT-BC145826  Beckmannia syzigachne Peter Rubtzoff 1958-8-16 3876 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC145830  Beckmannia syzigachne Hy Edwards 1877-1-1 s.n. Sonoma Knight's Valley. Comment
  CAS-BOT-BC145839  Beckmannia syzigachne John Thomas Howell 1930-6-8 5239 Sonoma Bodega Road, 3 miles east of Valley Ford. Comment
  SBBG57110  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, SE of Santa Rosa Comment
  CAS-BOT-BC164688  Bidens cernua Peter Rubtzoff; Nancy Harrison; Edward Lee; Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC290660  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC290718  Bidens frondosa Peter Rubtzoff 1968-9-21 5984 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC290722  Bidens frondosa Peter Rubtzoff 1961-8-24 4712 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  CAS-BOT-BC290721  Bidens frondosa Peter Rubtzoff 1965-9-5 5644 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  RSA0020331  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC290648  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh. Comment
  RSA0019008  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
  UC963901 Image available Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma in a hog wallow Sonoma Comment
  SEINET4964102  Blennosperma bakeri Unknown 1946-1 Sonoma Comment
  NY31012  Blennosperma californicum C. H. Michener 04 1893 6238 Sonoma Kenwood Comment
  UCD167527  Boechera breweri James Neilson 1979-6-26 3978 Sonoma Mayacmas Mountains, Big Sulphur Creek drainage, Cadd Fire trail about 2.3 miles NW Contact Mine. (Notebook says 'Mt Baby Rocks' on crest of main ridge 2 mi n.w. Socrates Mine between Big and Little Sulphur Creek drainages. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC154968  Boisduvalia Peter Rubtzoff 1970-8-19 6328 Sonoma Austin Creek beach, 3.5 miles S of Cazadero Comment
  CAS-BOT-BC154956  Boisduvalia Peter Rubtzoff 1971-7-23 6613 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC154967  Boisduvalia densiflora Peter Rubtzoff 1954-9-6 1742 Sonoma Guerneville Marsh, along the northern border Comment
  POM32022  Boisduvalia glabella A. A. Heller 1902-6-27 5784 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC290565  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC75494  Bolboschoenus maritimus subsp. paludosus Walter Knight; Irja Knight 1984-8-26 5426 Sonoma Willow Creek Road. 60 Comment
  UC903746  Bolboschoenus robustus Milo S. Baker 1946-7-28 11541 Sonoma On Sear's Point Highway. Comment
  CAS-BOT-BC31352  Bolboschoenus robustus Herbert L. Mason; Verne Grant 1946-8-28 13076 B Sonoma Mouth of Tolay Creek. Comment
  CAS-BOT-BC418500  Boykinia occidentalis Lizzie Way 1886-6-1 s.n. Sonoma Mark West Creek Comment
  UC73117  Boykinia occidentalis Miss C. B. Churchill 1901-7-14 Sonoma creek above Macartney's; creek above Macartney's 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
  RSA54043  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  UCD57095  Brachypodium distachyon Frederica Bowcutt 1996-5-23 2151 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Lower Bald Mountain Trail. 472 Comment
  CAS-BOT-BC36708  Brassica rapa Mary P. Wells 1984-5-16 s.n. Sonoma Santa Rosa. Rincon Valley. Friends House grounds. Comment
  CAS-BOT-BC100475  Brickellia californica Greg de Nevers 1996-10-20 10890 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UC1222965  Brickellia californica Joseph P. Tracy 1947-10-6 17938 Sonoma w of Knight's Valley (gravel bar along Mayacamas Creek); Mayacamas Creek Comment
  CAS-BOT-BC311816  Briza Peter Rubtzoff 1973-8-29 s.n. Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD57148  Briza maxima B. Crampton 1955-6-17 2968 Sonoma Along State Hwy. 1. Fort Ross. Comment
  UCD57168  Briza maxima Roxana S. Ferris; Laura Lorraine 1961-6-14 13530 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  UCSC000040  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 2 miles SE o fForestville - Sebastopol 30 Comment
  SEINET7042398  Briza maxima 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-BC145295  Briza minor John H. Thomas 1976-6-16 18273 Sonoma Souther part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  RSA126875  Briza minor H. S. Yates 1936-5-3 5576 Sonoma 1 mile N.W. of Petrified Forest: Calistoga 305 Comment
  UCD57380  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma Russian River near Duncan Mills. Comment
  UCD57415  Briza minor Gerry North 1993-4 42 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. South of Hillside Trail, at fork by water tank. 426 Comment
  SEINET12049904  Brodiaea californica subsp. leptandra Unknown 1985-1 50553 Sonoma W side of Dry Cr. Valley, W of town of Dry Creek, unnamed ridge N of Crane Creek & S of Bradford Mt. 162 Comment
  UCD150132  Brodiaea coronaria Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  CAS-BOT-BC484396  Brodiaea elegans subsp. elegans Peter Rubtzoff 1962-6-19 4931 Sonoma Occidental Marsh Comment
  CAS-BOT-BC486533  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  SEINET5500783 Image available Brodiaea laxa Sally Walker 1981-5-25 Sonoma 4 mi W of Occidental. Comment
  UC463107  Brodiaea leptandra Milo S. Baker June 1925 2346 Sonoma canyon above Kenwood Springs Comment
  SEINET206246  Brodiaea stellaris Rimo Bacigalupi, L. R. Heckard 1961-6-9 7746 Sonoma Along Stoeti Lane about 0.5 mile northwest of its junction with Harrison Grade road and about 0.75 mile northwest of O 229 Comment
  CAS-BOT-BC487726  Brodiaea terrestris subsp. terrestris Milo S. Baker 1927-5-20 2148 a Sonoma S. R. Sebasapol Hiway where concrete begins - [- - - -] south (poor handwriting) Comment
  CAS-BOT-BC487730  Brodiaea terrestris subsp. terrestris John Thomas Howell 1945-5-30 20904 Sonoma Pitkin Marsh Comment
  SBBG53021  Brodiaea terrestris subsp. terrestris M. R. Benedict 1978-4-18 Sonoma Skaggs Springs Rd, ca. 8 mi W of Geyserville Comment
  RSA155475  Bromus carinatus L. S. Rose 1962-4-18 62024 Sonoma 1 mile NW of Freestone. 76 Comment
  UCD58161  Bromus carinatus Lewis S. Rose 1962-4-18 62024 Sonoma 1 mi. NW of Freestone. 76 Comment
  CAS-BOT-BC149089  Bromus carinatus var. carinatus David L. Morgan 1956-4-16 s.n. Sonoma Petaluma. Comment
  UC909756  Bromus carinatus var. carinatus Milo S. Baker Apr 1950 12160 Sonoma w of Mellita (Montgomery Drive); Montgomery Drive Comment
  CAS-BOT-BC155894  Bromus catharticus var. elatus John Thomas Howell 1955-4-14 30148 Sonoma Ranch yard, about 2 miles southeast of Sonoma. Comment
  UCR248940  Bromus commutatus Peter Rubtzoff 1974-6-2 7525 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC155663  Bromus diandrus Mary P. Wells 1981-8-2 s.n. Sonoma On path to garden of Timber Ridge Road. The Sea Ranch. Comment
  CAS-BOT-BC155209  Bromus hordeaceus A. A. Heller 1902-4-17 5325 Sonoma Santa Rosa. Comment
  CAS-BOT-BC155249  Bromus hordeaceus John H. Thomas 1976-6-16 18341 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  SEINET11690149  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6283 Sonoma NE corner Llano & Todd Roads 26 Comment
  CAS-BOT-BC162390  Bromus laevipes Peter Rubtzoff 1952-6-3 1146 Sonoma South slopes of Fitch Mountain, near Healdsburg. 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
  CAS-BOT-BC162255  Bromus maritimus David L. Morgan 1961-5-7 s.n. Sonoma Doran Park, about 1 mile south of Bodega Bay. Comment
  UCD36880  Bromus racemosus Beecher Crampton 1956-4-24 3309 Sonoma Sonoma County, Healdsberg, vacant lot at junction of Prince and Sherman Streets. Comment
  UCD95022  Bromus rubens Freed W. Hoffman 1942-5-3 2249 Sonoma North Coast Ranges. Oregon Canyon near Camp Meeker. Comment
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  UCD114956  Cakile maritima Walter Russell 1947-3-5 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC185407  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC185408  Calamagrostis bolanderi Greg de Nevers 1996-6-17 10831 Sonoma CYO camp south of Occidental on Bohemian Highway. 121 Comment
  CAS-BOT-BC185414  Calamagrostis bolanderi John Thomas Howell 1947-6-5 23235 Sonoma Cunningham Marsh. Comment
  SEINET3924023  Calamagrostis bolanderi Fred W. Hoffman 1943-6-20 2058 Sonoma Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  CAS-BOT-BC185302  Calamagrostis koelerioides Roxana S. Ferris; Laura Lorraine 1961-6-15 13563 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road. Comment
  RSA126854  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma 2 miles N. E. of Freestone; Sebastapol. 122 Comment
  UC963876  Calamagrostis ophitidis Milo S. Baker 1947-5-30 11772 Sonoma along Harrison Grade ca 2 mi ne Occidental; Nort Bay Counties 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-BC438603  Calandrinia ciliata Peter Rubtzoff 1960-5-18 4361 Sonoma Bodega Head Marsh. Comment
  JEPS117091  Calandrinia ciliata Peter Warner 2010-4-15 129 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. Extension), approx. 1 km N of Jenner village, in ultramafic grassland about 25 m E of road. Comment
  CAS-BOT-BC293757  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh. Comment
  UC13850  Calochortus amabilis W. C. Blasdale Apr 1894 Sonoma Cazadero Comment
  UC400140  Calochortus amabilis Ynes Mexia 1929-6-2 2393 Sonoma near Mark West Springs Comment
  CAS-BOT-BC483274  Calochortus amabilis John H. Thomas 1966-5-8 11605 Sonoma 1.4 miles west of Napa-Sonoma county line, along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC483277  Calochortus amabilis C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Park Comment
  CAS-BOT-BC132250  Calochortus raichei R. Raiche 1986-7-29 60282 Sonoma North of Cazadero, The Cedars, Red Slide Creek (central branch) 390 Comment
  UCD161318  Calochortus superbus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3716 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  SJSU9953  Calochortus tolmiei F. L. Reynolds 1962-5-26 51 Sonoma Salt Point Ranch, 8 mi NW of Fort Ross Comment
  CAS-BOT-BC132641  Calochortus uniflorus Catherine Best 1981-4-4 s.n. Sonoma Todd Rd. 3 miles east of Sebastopol Comment
  UC3483  Calochortus uniflorus F. T. Bioletti Sonoma Comment
  UC672142  Calochortus uniflorus Herbert L. Mason 1928-4-13 4327 Sonoma near Petaluma Comment
  UC672143  Calochortus uniflorus A. E. Borell 1928-4-13 148 Sonoma Petaluma Comment
  CAS-BOT-BC132642  Calochortus uniflorus Ella Dales Cantelow 1939-4-8 3966 Sonoma S. of Shellville Comment
  CAS-BOT-BC496928  Calochortus vestae Greg de Nevers 1987-6-1 8186 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC894254  Calycadenia multiglandulosa Milo S. Baker 1931-7-9 5344 Sonoma s of The Petrified Forest Comment
  UCD129872  Calycadenia pauciflora Jack Guggolz; Betty Guggolz 1990-6-22 1074 Sonoma north side of Ida Clayton road 2.15 miles from Highway 128. Comment
  UCD129978  Calycadenia truncata G. F. Hrusa; T. D. Wilfred 1995-12-3 12482 Sonoma Foote Ranch Property at NW base of Mt. St. Helena. Immediately below west base of Chalk Mountain. 500 Comment
  HSC3814  Calycanthus occidentalis M. E. Ferguson, E. Ferguson 1919-6-8 Sonoma Near Guerneville, Russian River. Comment
  POM149132  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UC72737  Calycanthus occidentalis Miss M. Alice King Jun 1897 Sonoma near Healdsburg Comment
  UCD137794  Calycanthus occidentalis Frederica Bowcutt 1994-5-1 1764 Sonoma Sugarloaf Ridge State Park. About 50 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 N of Kenwood. In Adobe Canyon along Sonoma Creek just east of confluence with Bear Creek, near bridge over Sonoma Creek. Godspeed trail about 30 yards from trailhead. 198 Comment
  UCR30831  Calycanthus occidentalis John C. Roos 1948-8-28 3956 Sonoma North Coast Ranges, Barrel Spring, Mill Creek, near Healdsburg 292 Comment
  UCD138891  Calypso bulbosa var. occidentalis J. M. Tucker 1957-4-14 3291 Sonoma around 1/2 mile south of Highway 12, around 4 miles southeast of Guerneville. Comment
  JEPS87233  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1271 Sonoma Found on the north side of White Rock, 1 3/4 miles north of Jimtown 304 Comment
  RSA394815  Calystegia purpurata J. Russell Bruff 1968-5-1 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC224737  Calystegia purpurata subsp. saxicola Alice Eastwood 1915-6-29 4861 Sonoma Bodega Point Comment
  CAS-BOT-BC224738  Calystegia purpurata subsp. saxicola Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  RSA697152  Calystegia purpurata subsp. saxicola J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  SD225766  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach; on to of small sea headland by path down to beach 14 Comment
  UCD126180  Calystegia purpurata subsp. saxicola Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1975-8-14 224 Sonoma Close to State Highway 1; Unit 24 Owners' Map, Sea Ranch. Comment
  OBI35908  Calystegia soldanella David J. Keil 1983-6-29 17192 Sonoma Doran Beach County Park, Bodega Head Comment
  UC1299583  Calystegia subacaulis Freed W. Hoffman 1947-6-4 527 Sonoma North Coast Ranges. East Austin Creek . Comment
  CAS-BOT-BC497687  Camassia quamash Greg de Nevers 1996-4-18 10790 Sonoma Knights Valley, marsh at south end of valley at base of hills, on Bavarian Lion Ranch 137 Comment
  CAS-BOT-BC376398  Camassia quamash subsp. linearis Greg de Nevers 1996-4-18 10790 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch. 137 Comment
  UCD138332  Camassia quamash subsp. linearis P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  RSA29336  Camissonia cheiranthifolia subsp. cheiranthifolia E. K. Balls 1953-10-9 18597 Sonoma South end of Doran Park, Bodega Bay, Hwy 1 3 Comment
  RSA186605  Camissonia strigulosa Peter H. Raven 1963-4-28 18246 Sonoma between town of Bodega and Bodega Head. Comment
  CAS-BOT-BC160363  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Milo S. Baker 1925-1-1 s.n. Sonoma Near Bodega Bay Comment
  UCD103523  Camissoniopsis cheiranthifolia subsp. cheiranthifolia David C. Fruchtenicht 1965-5-1 54 Sonoma Marine Biological Station, Horseshoe Cove, Bodega Head. 6 Comment
  CAS-BOT-BC266427  Campanula californica Peter Rubtzoff 1951-6-30 299 Sonoma The Pitkin Marsh, near Forestville. W branch of the Upper Marsh Comment
  CHSC79974  Campanula californica Melissa Brooks; Colette Beaupre 2000-7-20 Sonoma Near Sea Ranch, Ca on Gualala Redwoods, Inc. property, in portion of German Rancho. MDB and M. 60 Comment
  UCD66816  Campanula californica Mary M. Hektner 1974-8-27 182 A Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  UC29012  Campanula prenanthoides J. Burtt Davy 1896-7-22 4143 Sonoma Rusian River Comment
  CAS-BOT-BC184127  Capsella bursa-pastoris Peter Rubtzoff 1960-6-25 4510 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  RSA786866  Capsella bursa-pastoris Carrie A. Herd 1982-3-14 19 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UCD114128  Capsella bursa-pastoris Mary M. Hektner 1975-6-24 212 Sonoma in the University of California, Davis experimental competition plots next to the Sea Ranch Association Office; Unit 18-A Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC37760  Cardamine californica A. A. Heller; H. E. Brown 1902-3-22 5130 Sonoma West of Sebastapol. Comment
  CAS-BOT-BC37764  Cardamine californica Alice Eastwood 1922-3-25 11098 Sonoma Calistoga. Comment
  CDA18771  Cardamine californica Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 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
  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
  CDA36842  Cardamine hirsuta 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
  SEINET8218124  Cardamine hirsuta Peter Rubtzoff 1957-5-4 3309 Sonoma Ducans Mills Marsh. Comment
  UCD114539  Cardamine oligosperma Frederica Bowcutt 1994-5-1 1757 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Sonoma Creek, just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed Trail about 30 yards from trail head; along Sonoma Creek. 198 Comment
  CAS-BOT-BC38036  Cardamine oligosperma G. DeNevers 1981-3-30 583 Sonoma Pepperwood Ranch. At Garrison House. Comment
  POM144128  Cardamine oligosperma A. A. Heller, H. E. Brown 1902-3-14 5053 Sonoma Near Santa Rosa Comment
  UCD114549  Cardamine oligosperma Boris Korotyaev 2000-3-28 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC384861  Cardionema ramosissimum Alice Eastwood 1915-6-29 4816 Sonoma Bodega Point Comment
  UCD148413  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  SEINET5713022  Carduus pycnocephalus Peta Lewis 1967-1 13 Sonoma Ca. 2 miles east on River Road, 3 miles north of Guerneville.; Guerneville 23 Comment
  UCR255715  Carex abrupta Peter Rubtzoff 1960-5-18 4392 Sonoma Bodega Head Marsh 6 Comment
  CAS-BOT-BC344831  Carex abrupta Peter Rubtzoff 1963-8-17 s.n. Sonoma Russian River Mouth Marsh. Comment
  SEINET14443037  Carex albida Unknown Sonoma Comment
  SEINET7546986  Carex albida J. T. Howell, J. W. Stacey 1937-1 Sonoma Comment
  CAS-BOT-BC18145  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC320583  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  UCD112452  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Rd.) Comment
  CAS-BOT-BC329309  Carex barbarae Peter Rubtzoff 1974-6-2 7524 Sonoma Upper Green Valley Marsh. Comment
  UCR137670  Carex barbarae Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  CAS-BOT-BC34026  Carex brevicaulis Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 0.5 mile east of Stoetz Road. 152 Comment
  CAS-BOT-BC18977  Carex densa John Thomas Howell 1938-7-3 13964 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20477  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13019 Sonoma Sebastopol. Comment
  RSA758130  Carex densa Peter Rubtzoff 1954-6-7 1478 Sonoma Guerneville 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-BC20497  Carex densa Peter Rubtzoff 1958-5-3 3621 Sonoma Sonoma County Marshes. Atascadero Creek Marsh. Comment
  CAS-BOT-BC20507  Carex densa Peter Rubtzoff 1958-4-26 3604 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC20517  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  SEINET7556713 Image available Carex densa Unknown 1936-7-26 12665 Sonoma Occidental. Comment
  CAS-BOT-BC329292  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  CAS-BOT-BC329291  Carex exsiccata Peter Rubtzoff 1954-7-4 1535 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  SEINET10855708  Carex festiva Henry N. Bolander Bolander 3867 Sonoma Meadow on Russian River, Comment
  CAS-BOT-BC20136  Carex feta James D. Jokerst 1985-4-26 2273 Sonoma Near Caldwell Ranch. Comment
  UCD140314  Carex feta M. Wiesendanger 1927-5-5 720 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC20450  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  RSA177947  Carex globosa Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 1/2 mile E of Stoetz Road. 152 Comment
  RSA52337  Carex gracilior J. T. Howell 1947-6-5 23238 Sonoma Cunningham Marsh Comment
  SEINET10505883 Image available Carex gracilior Henry N. Bolander Bolander 3822 Sonoma Meadow at Cloverdale. Comment
  JEPS121153  Carex gynodynama Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18592 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UCR248717  Carex gynodynama Peter Rubtzoff 1959-5-31 4085 Sonoma Freestone Marsh 79 Comment
  UCR249355  Carex gynodynama Peter Rubtzoff 1957-5-4 3310 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC312678  Carex gynodynama Peter Rubtzoff 1971-6-25 s.n. Sonoma Off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek Crossing Comment
  RSA0022387  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Sonoma County: Freestone marsh Comment
  CAS-BOT-BC242644  Carex harfordii Peter Rubtzoff 1957-5-4 3306 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC422373  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncans Mills Marsh. Comment
  RSA0023064  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncans Mills Marsh. Comment
  NY11188  Carex lacunarum A. A. Heller 1902-7-1 5797 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC311823  Carex lasiocarpa Peter Rubtzoff 1962-4-11 4794 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31180  Carex lemmonii Peter Rubtzoff 1951-7-21 496 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh. Comment
  SEINET7485357 Image available Carex lemmonii John Thomas Howell 1957-1 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC329300  Carex leptopoda Peter Rubtzoff 1960-5-16 4347 Sonoma Duncans Mills Marsh. Comment
  UCD140482  Carex leptopoda Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  CAS-BOT-BC119311  Carex obnupta Catherine Best 1981-6-5 s.n. Sonoma Ca 5 mi E of Stewart's Point on Stewart's Point Skaggs Creek Rd. Comment
  CAS-BOT-BC119312  Carex obnupta Catherine Best 1981-6-5 s.n. Sonoma Ca 5 mi E of Stewart's Point on Stewart's Point Skaggs Creek Rd. Comment
  UCR250039  Carex obnupta Peter Rubtzoff 1970-10-3 6413 Sonoma Central Coast, Marsh off the west side of Hwy 1, 0.7 mi. SE of Salmon Creek 30 Comment
  RSA0025196  Carex obnupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  RSA0025208  Carex obnupta Peter Rubtzoff 1960-5-20 4394 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  CAS-BOT-BC119285  Carex ovalis Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa E of Cunningham near Llano Road. Comment
  CAS-BOT-BC118941  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC118942  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  UCR248942  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCD164099  Carex stipata var. stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC116927  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC116928  Carex subbracteata Peter Rubtzoff 1958-5-1 3626 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC312703  Carex subbracteata Peter Rubtzoff 1955-5-14 1845 Sonoma Duncans Mills Marsh area above the marsh, along a western tributary of Orrs Creek. Comment
  RSA0022361  Carex subbracteata Peter Rubtzoff 1962-6-1 4868 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC116780  Carex subbracteata var. subbracteata John Thomas Howell 1947-6-5 23238 Sonoma Cunningham Marsh. Comment
  RSA52174  Carex tumulicola J. T. Howell 1947-6-5 23239 Sonoma Cunningham Marsh Comment
  UCR248922  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh Comment
  UCR249082  Carex tumulicola Peter Rubtzoff 1971-6-25 6561 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  CAS-BOT-BC230227  Carpobrotus edulis John H. Thomas 1976-6-15 18302 Sonoma S end of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  LA37651  Carpobrotus edulis Kathleen Baron; 1972-4-15 5 Sonoma Portugese Beach, 1 mi. S of Sonoma Coast State Beach, along Highway 1 Comment
  JEPS23563  Carthamus lanatus Peter H. Raven, R. Snow 1958-7-23 13684 Sonoma 15.5 mi w of Skaggs Springs (near farm above Wolf Creek, along road to Stewarts Point); Wolf Creek, Stewarts Point Comment
  CDA6987  Carthamus lanatus T. C. Fuller 1970-5-4 19487 Sonoma East of Monte Vista Lane, south side of Petaluma-Valley Ford Road, 4.2 miles west of Petaluma. 0 Comment
  UCD129937  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of Asti turn-off of the freeway, Hwy 101, Asti. Comment
  UCR18581  Carthamus tinctorius John C. Roos, L. Roos 1959-9-2 6599 Sonoma North Coast Ranges, Healdsburg, Healdsburg dump Comment
  RSA19277  Castilleja ambigua subsp. ambigua Jens Clausen 1935-5-24 1095 Sonoma 6.5 mi. S. of Jenner on the Bodega Road. Comment
  UCD122118  Castilleja ambigua subsp. ambigua Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-19 35 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD122304  Castilleja attenuata Collector unknown Date unknown s.n. Sonoma location unknown. Comment
  UCD160875  Castilleja foliolosa James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3285 Sonoma Mayacmas Mountains, ca. 1/4 mile south of 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
  POM15981  Castilleja foliolosa A. A. Heller, H. E. Brown 1902-3-12 5034 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  SD38268  Castilleja latifolia Edith A. Purer 1932-7-21 4055 Sonoma Bodega bay, sandy bluff Comment
  JEPS10644  Castilleja rubicundula subsp. lithospermoides W. L. Jepson 1921-6-3 9312 Sonoma Cotati Valley 28 Comment
  SEINET7067225  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road. Coordinate datum: NAD27. Comment
  JEPS60452  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1969-4-29 6690 Sonoma s side Russian River (on Highway 1) Comment
  JEPS35567  Castilleja wightii L. R. Heckard 1964-6-12 1387 Sonoma about 5 mi n Bodega Bay (at Wrights Beach); Sonoma Coast State Park, Wrights Beach Comment
  CAS-BOT-BC366948  Caulanthus lasiophyllus Greg de Nevers 1997-4-16 10945 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC39434  Caulanthus lasiophyllus R. D. Stone 1983-6-14 541 Sonoma Headwaters of Squaw Creek drainage. Ca. 1.2 mile northwest of Geyser Rock. 1005 Comment
  JEPS86152  Ceanothus Wayne Roderick 1962-1-1 Sonoma near Sea View (on ridge above Ft. Ross) 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
  CAS-BOT-BC48515  Ceanothus confusus Bruce A. Stein 1981-5-31 557 Sonoma Rincon Ridge, Fountaingrove Ranch 228 Comment
  CAS-BOT-BC48519  Ceanothus confusus John Thomas Howell 1933-4-2 10937 Sonoma Mt. Hood, Sonoma Creek Canyon Comment
  RSA21896  Ceanothus confusus J. T. Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  RSA77694  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  SBBG119963  Ceanothus confusus A. Howald 2007-4-2 2456 Sonoma Goodspeed Trail just below highest pt of trail, E of Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 310 Comment
  SBBG119965  Ceanothus confusus A. Howald 2007-4-2 2457 Sonoma Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 280 Comment
  UC727758  Ceanothus confusus Milo S. Baker 1946-2-14 11266 Sonoma Hope Valley near Chamberlain Ranch, Kenwood Region Comment
  UC870631  Ceanothus confusus John Thomas Howell 1937-7-4 13080 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  SEINET12210842  Ceanothus confusus W. Knight, Knight, I. 1982-1 4491 Sonoma Tilden Botanic Garden, Berkeley. Orig coll. on rincon Ridge. Decumbent to 12" high Comment
  POM136668  Ceanothus cuneatus A. A. Heller 1902-3-12 9027 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  RSA25832  Ceanothus cuneatus Carl B. Wolf 1941-7-17 11024 Sonoma N Coast Range, 2.5 miles SW of Petrified forest along road to Sonoma and Santa Rosa 61 Comment
Read comments Feb 27 2015
  SEINET13945810 Image available Ceanothus cuneatus G. Thomas Robbins 1940-1 295 Sonoma Creek bed of canyon along Chalk Hill road, foothills ca 6 mi E of Windsor. Elev ca 300 ft 91 Comment
  JEPS128182  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 005 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128184  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 006 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CHSC39450  Ceanothus foliosus B. A. Stein; B. Shumacher 1981-3-7 445 Sonoma Vine Hill School Rd. 45 Comment
  UC1070626  Ceanothus foliosus R. W. Lundh 1932-6-19 109 Sonoma 1 mi nw Los Alamos School; Santa Rosa quad. 579 Comment
  UCD158849  Ceanothus foliosus James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2919 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  CAS-BOT-BC49900  Ceanothus foliosus var. foliosus Greg de Nevers; Frank Almeda 1987-4-11 8133 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC49904  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1963-9-1 141 Sonoma Pine Mt. Rd. - N.E. of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC49910  Ceanothus foliosus var. foliosus A. A. Heller; H. E. Brown 1902-5-29 5619 Sonoma Mt. Hood Comment
  CAS-BOT-BC49997  Ceanothus gloriosus Milo S. Baker 1935-4-1 8026 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50008  Ceanothus gloriosus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  POM301629  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma 8.5 miles south of Stewarts Point, at entrance to Salt Point Ranch. 30 Comment
  SBBG27258  Ceanothus gloriosus var. exaltatus C. B. Wolf 1941-7-30 4389 Sonoma 8.5 mi S of Stewart's Pt, at entrance to Salt Pt Ranch 30 Comment
  UC1299551  Ceanothus gloriosus var. exaltatus Freed W. Hoffman 1947-4-15 661 Sonoma In marine sediments, near Sebastopol Comment
  UCD112150  Ceanothus gloriosus var. exaltatus Roman Gankin 1966-3-3 694 Sonoma east of Occidental Ridge on Graton Road, 2.5 miles east of Occidental. Comment
  CAS-BOT-BC49950  Ceanothus gloriosus var. exaltatus Milo S. Baker 1931-3-7 s.n. Sonoma About 10 mi. West of Santa Rosa at Frei Ranch Comment
  CAS-BOT-BC49954  Ceanothus gloriosus var. exaltatus J. Clausen 1933-3-26 742 Sonoma southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road Comment
  OBI10514  Ceanothus gloriosus var. exaltatus Milo S. Baker 1924-4-18 86 Sonoma Roadside Ft Bragg to Willits about halfway in a small valley Comment
Read comments Jan 28 2016
  CAS-BOT-BC49977  Ceanothus gloriosus var. gloriosus Carl B. Wolf 1927-9-2 1341 Sonoma 2 miles South of Anchor Cove Comment
  UC1070747  Ceanothus incanus H. S. Yates 1934-4-21 3782 Sonoma Near Freestone 60 Comment
  CAS-BOT-BC50956  Ceanothus integerrimus Walter Knight; Irja Knight 1963-12-27 473 Sonoma Summit, Pine Flat Rd Comment
  CAS-BOT-BC50720  Ceanothus integerrimus var. macrothyrsus Helen D. Geis 1902-1-1 s.n. Sonoma unspecified Comment
  CDA37445  Ceanothus integerrimus var. macrothyrsus D. G. Kelch, T. McGregor 2010-8-22 10 .343 Sonoma Geyser Peak Rd. Comment
  SJSU10888  Ceanothus jepsonii C. S. Wallen 1965-4-13 32 Sonoma 1 mile N of Jenner Comment
  UC1070778  Ceanothus jepsonii C. M. Belshaw 1936-3-7 1554 Sonoma 1 mi ne Occidental; Sebastopol quad. 36 Comment
  SEINET12210866  Ceanothus jepsonii W. Knight, Knight, I. 1982-1 4622 Sonoma On serpentine. 2.1 mi from Camp Meeker on Bohemian Highway toward Monte Rio Comment
  SEINET12211105  Ceanothus jepsonii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -240 Sonoma end of Stoetz Road 200 Comment
  OBI10391  Ceanothus parryi H. E. McMinn 1941-4-26 5321 Sonoma North of Guerneville Comment
  POM161075  Ceanothus parryi R. C. Bacigalupi 1926-5-2 1396 Sonoma Cazadero. Comment
  UCD112489  Ceanothus parryi B. Crampton 1955-6-17 2932 Sonoma State Hwy. 12, 3.3 miles west of Forestville. Comment
  SEINET12211100  Ceanothus parryi F. H. Utech 1986-1 86 -115 Sonoma ca 6 mi NE on Cavedale Road 600 Comment
  SD88409  Ceanothus parvifolius D. F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range 395 Comment
  UC1614462  Ceanothus purpureus Charles M. Belshaw 1936-3-8 1582 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood) 144 Comment
  CAS-BOT-BC53045  Ceanothus sonomensis J. Clausen 1933-3-25 724 Sonoma About 4 miles east of Warfield on road to Oakville, near the summit of the Youngman Ranch. 213 Comment
  CAS-BOT-BC53049  Ceanothus sonomensis Michener; Bioletti 1893-3-1 s.n. Sonoma Hoods Peak Comment
  CAS-BOT-BC83738  Ceanothus sonomensis D. O. Burge 2008-5-25 991 b Sonoma Mayacmas Mountains, western slope of Hooker Canyon 500 Comment
  JEPS97530  Ceanothus sonomensis R. D. Stone 1985-3-8 651 Sonoma along unpaved road S of Trinity Road and W of cul-de-sac on Manzanita Lane Mt. Veeder (approx 2.5 airmiles WNW of) Comment
  UCD112735  Ceanothus thyrsiflorus var. griseus Steven E. Smith 1977-5-14 25 Sonoma 3.8 mi. N. of Graton, W. side of Graton-Occidental Road. 5 Comment
  CAS-BOT-BC52395  Ceanothus velutinus W. W. Carruth 1907-6-1 s.n. Sonoma Near Seaview Comment
  CAS-BOT-BC52399  Ceanothus velutinus Walter Knight; Irja Knight 1963-12-27 468 Sonoma Summit. Pine Flat Rd. Comment
  CAS-BOT-BC282017  Centaurea calcitrapa Greg de Nevers 1987-5-11 8176 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd, Santa Rosa 400 Comment
  JEPS86808  Centaurea calcitrapa Jack and Betty Guggolz 1991-6-1 1162 Sonoma on e side of hwy, just n of its intersection with Hessel Road Hwy 116 42 Comment
  CAS-BOT-BC282018  Centaurea calcitrapa Walter & Irja Knight 1963-10-25 393 Sonoma San Antonio Rd and US101 freeway Comment
  RSA181381  Centaurea solstitialis James I. McMurphy 1909-8-9 s.n. Sonoma Sonoma Comment
  UCD82017  Centaurium tenuiflorum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glenn Ellen). Vernal pool plot BEB2F. 189 Comment
  JEPS21727  Centaurium trichanthum Lyman Benson 1930-6-18 2165 Sonoma 4 mi s Santa Rosa (San Francisco Bay watershed); North Coast Ranges, San Francisco Bay 60 Comment
  UC523519  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma Comment
  UCD161264  Cerastium James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3693 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC251266  Cerastium Peter Rubtzoff 1959-6-20 4186 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC384975  Cerastium arvense Rimo Bacigalupi 1926-5-2 1377 Sonoma Cazadero Comment
  CDA36843  Cerastium glomeratum 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
  CAS-BOT-BC400222  Ceratophyllum demersum Greg de Nevers 1991-8-8 9769 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In largest Double Pond 475 Comment
  CDA16230  Ceratophyllum demersum G. F. Hrusa, R. Gross 1998-2-15 14151 Sonoma Knights Valley; Foote Ranch. 0 Comment
  CAS-BOT-BC207632  Cercis occidentalis Peter Fritsch 1999-10-3 1749 Sonoma 0.5 mi W of the gate to the geothermal plant along Geysers Resort Road. Comment
  HSC41605  Chamaemelum fuscatum J. P. Smith 1977-3-26 9014 Sonoma Dutcher Creek Rd., 0.7 mi. from its jct. with U.S. 101 Comment
  UCD137335  Cheilanthes intertexta Frederica Bowcutt 1996-3-24 2082 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air miles SE of Red Mountain. 563 Comment
  CAS-BOT-BC166658  Chenopodium Peter Rubtzoff 1969-9-21 6184 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA2982  Chenopodium album Peter Rubtzoff 1962-6-21 4934 A. Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. 0 Comment
  SEINET5763969 Image available Chenopodium ambrosioides H. S. Reed 1948-1 2025 Sonoma Sonoma Creek, near Kenwood Comment
  UCR254737  Chlorogalum pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UCD138415  Chlorogalum pomeridianum Mary M. Hektner 1975-6-22 210 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM179712  Chorizanthe cuspidata var. cuspidata J. T. Howell 1930-6-8 5271 Sonoma North end of Bodega Bay. Comment
  CAS-BOT-BC191507  Chorizanthe cuspidata var. villosa Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC191508  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC252849  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1918-5-1 6832 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC46024  Chorizanthe valida Barbara Dows 1907-7-12 n.s Sonoma Sebastopol Comment
  CAS-BOT-BC173825  Chrysanthemum Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC173549  Cirsium Peter Rubtzoff 1970-9-3 6368 Sonoma Hillside marsh above Shell Beach in Sonoma Coast State Beach area. Comment
  SEINET11845328  Cirsium douglasii W. Knight, Knight, I.; Knight, T.; Edwards, S. W. 1985-1 6358 Sonoma Pine Flat Road 305 Comment
  OBI16748  Cirsium douglasii var. douglasii Robert F. Hoover 1966-7-17 9914 Sonoma Sausal Crk N of Alexander Valley Comment
  CAS-BOT-BC279997  Cirsium douglasii var. douglasii Alice Eastwood; John Thomas Howell 1937-5-31 4497 Sonoma 6 1/2 miles south of Gualala River, Sonoma coast Comment
  CAS-BOT-BC279998  Cirsium douglasii var. douglasii Harriet Reinhard 1976-6-17 s.n. Sonoma Gleason Beach, north of Bodega Bay Comment
  POM53742  Cirsium douglasii var. douglasii A. A. Heller 1902-7-2 5803 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  SEINET11842966  Cirsium occidentale var. coulteri F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -197 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 830 Comment
  CAS-BOT-BC285705  Cirsium occidentale var. occidentale John Thomas Howell 1930-6-8 5251 Sonoma 1 mile east of Bodega Bay Comment
  UC30833  Cirsium occidentale var. venustum F. T. Bioletti 1892-7-24 Sonoma Glen Ellen Comment
  CAS-BOT-BC290647  Cirsium occidentale var. venustum Peter Rubtzoff 1955-9-24 2146 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  UC480934  Cirsium occidentale var. venustum H. P. Chandler 1907-4-21 7531 Sonoma road fr. Glen Ellen to Oakville Comment
  CAS-BOT-BC280536  Cirsium quercetorum John H. Thomas 1976-6-16 18277 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC285752  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC285751  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC285898  Cirsium vulgare John Thomas Howell 1930-6-8 5286 Sonoma 8.5 miles n. of Bodega Bay 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
  CAS-BOT-BC162555  Clarkia affinis Alva Day 1982-6-1 82 -58 Sonoma Pepperwood Ranch Comment
  UC422846  Clarkia amoena Milo S. Baker 1904-6-20 Sonoma Sonoma Creek Canyon Comment
  UCD104026  Clarkia amoena Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 49 Sonoma Unit 2 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCSB15868  Clarkia amoena Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 0.9 mile northwest of U.S. Highway 101; at Cloverdale 106 Comment
  UC107819  Clarkia amoena subsp. amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  UC112987  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  RSA51337  Clarkia amoena subsp. amoena Joanne Taylor 1941-7-13 11 -a Sonoma Canyon about 10 miles from Bodega Head. Comment
  CHSC22113  Clarkia amoena subsp. huntiana Robert A. Schlising; Lloy Thurman 1962-6-15 2303 Sonoma Coast Ranges. Dutcher Creek Road, S of Cloverdale and Asti; roadside. Comment
  CAS-BOT-BC172205  Clarkia concinna A. A. Heller 1902-6-26 5776 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC172215  Clarkia concinna M. S. Baker 1898-5-7 s.n. Sonoma Glen Ellen Comment
  UCD160125  Clarkia concinna James A. Neilson Jr. 1973-6-6 2987 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  SEINET4143382  Clarkia concinna W. Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, NE of Santa Rosa 61 Comment
  CHSC41508  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6074 Sonoma Along w side of roadway, .2 miles w of Mark West Springs on Mark West Springs Rd. 134 Comment
  RSA144395  Clarkia concinna subsp. concinna Roxana S. Ferris, Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  UC765874  Clarkia concinna subsp. concinna R. F. Hoover 1938-6-14 3603 Sonoma Mark West Springs Comment
  UCD104539  Clarkia gracilis Frederica Bowcutt 1994-5-21 1803 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. 1/4 mile from trailhead. 1300 Comment
  UCD55330  Clarkia gracilis subsp. gracilis Ellen Dean 2006-6-28 3173 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  RSA73310  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma Sonoma - Santa Rosa Hwy, 5.5 miles S of Santa Rosa. 32 Comment
  LA87839  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville Comment
  SEINET7067345  Clarkia purpurea A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  RSA97602  Clarkia purpurea subsp. quadrivulnera J. T. Howell 1945-7-18 21315 Sonoma Dry slope bordering Pitkin Marsh Comment
  CAS-BOT-BC164583  Clarkia purpurea subsp. viminea Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  RSA448463  Clarkia unguiculata Christopher Davidson 1977-6-20 6020 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  UC754333  Claytonia gypsophiloides R. Bacigalupi 1948-3-6 2855 Sonoma 2 mi w Skaggs Springs Comment
  UCD160138  Claytonia gypsophiloides James A. Neilson Jr. 1974-3-27 3011 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  CAS-BOT-BC439406  Claytonia gypsophiloides F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC94382  Claytonia gypsophiloides R. C. Wenk 2000-5-14 60 Sonoma along Calistoga Road, at intersection with Cleland Road, 0.45 miles S of intersection with St. Helena Road, Comment
  SEINET7075542  Claytonia parviflora A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  SEINET9321581  Claytonia perfoliata John Nelson, Wnek, R. 2000-3-7 20938 Sonoma Fern Grove Cottages Comment
  CAS-BOT-BC443871  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC443872  Claytonia sibirica Mark Okada 1975-5-25 s.n. Sonoma Springs Rd. Comment
  UCD160878  Clematis lasiantha James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3257 Sonoma Mayacmas Mountains, ca. 1/2 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC92750  Clematis ligusticifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC92754  Clematis ligusticifolia John I. Carlson 1917-7-23 s.n. Sonoma Preston. Comment
  RSA534575  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River Comment
  UC55256  Clintonia andrewsiana Milo S. Baker 1899-6-28 Sonoma roadside near Duncan's Mills Comment
  CAS-BOT-BC499955  Clintonia andrewsiana George Syme 1917-4-25 s.n. Sonoma Guerneville 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
  SEINET7096713  Collinsia sparsiflora var. arvensis A. G. Vestal 1962-4-11 s.n. Sonoma Serpentine 1 mile east of Occidental. NAD27 38? deg. 24' 26ao, -122?_ 55' 50ao (converted to WGS84 decimal degrees) UTM Zone 10, 555305mE, 4614022mN. Comment
  UC796637  Collinsia sparsiflora var. arvensis Ira L. Wiggins 1949-4-30 12065 Sonoma four mi w Calistoga (just within county line) Comment
  RSA3296  Collinsia sparsiflora var. arvensis D. D. Keck 1931-4-2 999 Sonoma Boyes Springs 30 Comment
  RSA41892  Collinsia sparsiflora var. arvensis H. C. Cantelow 1936-4-11 1221 Sonoma Bet. Shellville and Napa. Comment
  JEPS117085  Collinsia sparsiflora var. collina Peter Warner 2010-4-15 132 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. extension), approx. 0.8 km N of Jenner village, in ultramafic grassland about 400 m E of road, between power line overhead at cusp of Jenner Gulch. Comment
  CAS-BOT-BC229545  Collomia diversifolia J. C. Roos 1950-7-22 4873 Sonoma 2 miles E of Duncan Mills 60 Comment
  CAS-BOT-BC506653  Collomia heterophylla Ann Howald 2015-4-28 3373 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 11.5 mi W of jct with Rockpile Rd, Warm Springs drainage 408 Comment
  OBI70569  Collomia heterophylla D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .286 Sonoma Cavedale Rd 518 Comment
  RSA470560  Conium maculatum Christopher Davidson 1977-6-17 5878 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  NY318907  Convolvulus saxicola A. Eastwood 1900-7-4 Sonoma Bodega Point Comment
  SEINET6174100 Image available Convolvulus soldanella Sally Walker 1982-5-24 Sonoma Duncans Landing Comment
  CAS-BOT-BC288915  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  JEPS30837  Cordylanthus maritimus subsp. palustris Rimo Bacigalupi 1962-6-19 8593 Sonoma low-lying area just above beach line on Bodega Harbor side of Bodega Head (opposite spit of Doran Beach) Comment
  HSC20637  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  JEPS20327  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1956-8-20 56152 Sonoma e Santa Rosa; Rincon Ridge 91 Comment
  JEPS87247  Cordylanthus tenuis subsp. brunneus Jack and Betty Guggolz 1992-7-25 1334 Sonoma 5/8 mi ssw Bradford Mountain (along a dirt road, 4+ mi wsw of Geyserville) 292 Comment
  SEINET12337123  Cordylanthus tenuis subsp. brunneus Unknown 1986-1 60302 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 1.5 mi N of Ida Clayton Rd 823 Comment
  CAS-BOT-BC238235  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-8-6 62078 Sonoma 2 mi. ne. of Occidental 182 Comment
  SD133719  Cordylanthus tenuis subsp. capillaris T. I. Chuang, Fei-Mei Chuang 1970-7-25 6834 Sonoma Stoetz Road, west of harrison grade, 2.7 miles east of Occidental Comment
  UCR255684  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  UCD15008  Cornus nuttallii James Aronson 1977-4-15 20 Sonoma along Skaggs Springs Road, 12.7 miles west of the intersection with Dutcher Creek Road; Comment
  CAS-BOT-BC210437  Cornus sericea Peter Rubtzoff 1957-8-18 3523 Sonoma Vacation Beach, near Guerneville. Russian River bank Comment
  CAS-BOT-BC210438  Cornus sericea J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield Comment
  UCD110060  Corylus cornuta subsp. californica Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1767 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  RSA105374  Cotula australis Mrs Huffine 1932-5-8 5898 Sonoma Vine Hill Region Comment
  UC1112869  Cotula australis Milo S. Baker 1956-6-10 13094 a Sonoma Near Granero's Garden, Adobe Canyon Comment
  POM66993  Cotula coronopifolia Edward Palmer 1892-6-27 2400 Sonoma Petaluma. Comment
  RSA790515  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  SFV8415  Cotula coronopifolia B. Stanfield 1966-5-8 30 Sonoma Sandy flats near beach, 0.5 miles south of Bodega Bay. Comment
  UCD130895  Cotula coronopifolia Charles B. Heiser Jr. 1946-4-13 1724 Sonoma 1 mile east of Jenner. Comment
  CDA25350  Cotyledon orbiculata G. D. Bissel 1965-9-22 Sonoma Oscar Miller ranch, west of Petaluma. 0 Comment
  CAS-BOT-BC427647  Crassula aquatica Greg de Nevers 1992-7-21 10221 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427648  Crassula aquatica Peter Rubtzoff 1963-6-6 5163 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC427660  Crassula aquatica Peter Rubtzoff 1969-5-24 6052 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  CAS-BOT-BC427918  Crassula connata Catherine Best 1987-3-28 1238 Sonoma Bodega Head 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
  UCD126218  Cressa truxillensis Milo S. Baker Fall 1946 11710 Sonoma less than 1 mile north of junction of Black Point Highway and Sears Point cut off. Comment
  UC963923  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-12 11766 Sonoma sw slope Hood Mt. Comment
  UCD119057  Cryptantha ambigua Collector unknown 1932-7-7 s.n. Sonoma Calistoga, near Petrified Forest. Comment
  UC1731388  Cryptantha torreyana Dean W. Taylor 1998-6-22 16688 Sonoma 0.3 mi along ridge from Eagle Rock Substation ((ridge dividing Bear Canyon from Squaw Cr.)); North Coast Ranges, Mayacamas Mountains, The Geysers Geother 792 Comment
  JEPS73684  Cupressus macnabiana L. R. Heckard 1968-2-25 1752 Sonoma along Cavedale Road about 5 mi from its junction with the Sonoma-Kenwood Road (western slope of Hooker Canyon (head of)); western slope of Hooker Canyon (head of) 548 Comment
  NY16705  Cupressus macnabiana C. B. Wolf 1934-10-18 6198 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC85427  Cupressus sargentii W. Knight; Irja Knight 1963-11-21 2500 Sonoma Harrison Grade between Graton and Occidental Comment
  CAS-BOT-BC85457  Cupressus sargentii Frederick H. Utech; W. Knight; Irja Knight 1984-4-18 84166 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC85461  Cupressus sargentii John Thomas Howell 1933-4-2 10960 Sonoma Serpentine ridge, 2 miles east of Occidental Comment
  CAS-BOT-BC85470  Cupressus sargentii C. Best 1987-5-2 s.n. Sonoma Harrison Grade Road. 2 miles north of Occidental Comment
  CAS-BOT-BC85474  Cupressus sargentii Lewis Samuel Rose 1955-7-11 55113 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS18144  Cupressus sargentii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5666 Sonoma vicinity The Cedars (near Layton Chromite mine, headwaters of Big Austin Creek); Big Austin Creek 266 Comment
  SEINET3840824  Cupressus sargentii Unknown 2006-6-24 6 .323 Sonoma On serpentine along Harrison Grade 168 Comment
  SEINET11739137  Cupressus sargentii W. Knight, Knight, I. 1982-1 4617 Sonoma 2.1 mi toward Mounte Rio from Camp Meeker on Bohemian Highway Comment
  CDA41305  Cuscuta howelliana G. F. Hrusa, A. Buckman (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 3 of 3. Comment
  CAS-BOT-BC320554  Cynodon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles south of Stony Point Road. Comment
  UCD60103  Cynodon dactylon var. villosus Beecher Crampton 1957-5-16 4042 Sonoma 4-5 miles southwest Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  POM369230  Cynoglossum grande Christopher Davidson 1977-6-20 6032 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  POM63635  Cynoglossum grande A. A. Heller, H. E. Brown 1902-3-14 5052 Sonoma Near Santa Rosa Comment
  SD88320  Cynosurus echinatus D. F. Howe 1972-6-28 Sonoma 4.5 miles north of Jenner 121 Comment
  CAS-BOT-BC350947  Cyperus Peter Rubtzoff; Nancy Harrison 1974-9-7 7876 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. Comment
  CAS-BOT-BC114772  Cyperus acuminatus Peter Rubtzoff 1987-10-17 9873 Sonoma Russian River ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC114511  Cyperus eragrostis Saichi Kawahara 1968-8-27 475 Sonoma West bank of Russian River off Hwy 116, 1/2 mi E of Duncan Mills. 3 Comment
  CAS-BOT-BC114512  Cyperus eragrostis Saichi Kawahara 1985-7-1 534 Sonoma On dike bank of Ducker Creek Rincon Valley, Santa Rosa. Comment
  UCD141032  Cyperus eragrostis Frederica Bowcutt 1994-5-21 1837 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. On side of hillside trail past the junction with Digger Pine trail approximately 1 mile. 411 Comment
  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-BC114228  Cyperus fuscus Peter Rubtzoff 1987-10-17 9872 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  RSA0025132  Cyperus niger Peter Rubtzoff 1970-7-17 6290 Sonoma 5 miles north of Sears Point. Comment
  UCD167422  Cypselea humifusa Peter Rubtzoff 1975-8-26 8358 Sonoma Bennett Mountain Lake. 361 Comment
  UCD57958  Cypselea humifusa Brenda Grewell 2007-5-24 s.n. Sonoma Grown out from soil collected at braided side channel Laguna de Santa Rosa. West side across from confluence with Gravenstein Creek. South of Sebastopol. DFG Laguna Wildlife Area. Near Cooper Road. Comment
  UC1063767  Cystopteris fragilis E. Armstrong 1934-3-26 919 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle Comment
Read comments Nov 14 2007
  CAS-BOT-BC189848  Dactylis glomerata Mary P. Wells 1984-5-24 299 Sonoma Annadel State Park (near Santa Rosa). Comment
  CAS-BOT-BC189847  Dactylis glomerata Mary P. Wells 1982-8-21 137 Sonoma Salt Point State Park. Comment
  CAS-BOT-BC445552  Damasonium californicum Peter Rubtzoff 1970-6-6 6255 Sonoma At Marin County line on Tomales-Petaluma Road. Comment
  CAS-BOT-BC192273  Danthonia californica G. DeNevers 1981-5-11 1124 Sonoma At the Red Corral, The old McCann Homestead. 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
  RSA784599  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC1131386  Danthonia californica H. S. Yates 1936-5-16 5579 Sonoma 1 mi ne Graton; Sebastopol Quadrangle Comment
  UCD60480  Danthonia californica B. Crampton 1955-6-17 2960 Sonoma 4.5 miles east of Fort Ross. Comment
  UC1131394  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCD60524  Danthonia californica var. americana R. Tofsrud 1948-6-24 s.n. Sonoma Old cemetery at end of McDonald Ave., Santa Rosa. Comment
  UCD60684  Danthonia californica var. americana Beecher Crampton 1954-5-9 1838 Sonoma 4 miles west of Calistoga. Comment
  SEINET7042399  Danthonia californica var. californica 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-BC154137  Datura Peter Rubtzoff 1958-8-30 3937 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  CAS-BOT-BC154138  Datura stramonium var. tatula Peter Rubtzoff 1951-8-5 593 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  UCR37765  Daucus carota A. C. Sanders 1985-1-19 5374 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCD127390  Daucus carota G. F. Hrusa 1998-11-29 14907 Sonoma mowed field across from furthest south residence. Comment
  CAS-BOT-BC292097  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  RSA90505  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley; West of Occidental on Hendrin Ranch Comment
  POM253332  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  RSA31776  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  UC854102  Delphinium decorum Lewis S. Rose 1939-5-14 39123 Sonoma hills 1 mi e Bodega Bay 30 Comment
  CAS-BOT-BC10341  Delphinium hesperium Joseph Whipple Congdon 1880-6-1 s.n. Sonoma Santa Rosa Comment
  LA207501  Delphinium hesperium Carl Epling; L. Stebbins, H. Lewis 1943-6-17 515 Sonoma Bodega Bay, ca. 2 mi. E of bay at rock outcrops Comment
  CAS-BOT-BC10006  Delphinium hesperium A. T. Graff 1925-5-20 S.N. Sonoma Trosphers, Cazadero Comment
  UC726273  Delphinium hesperium subsp. hesperium A. A. Heller 1940-6-12 15724 Sonoma w of Two Rocks Comment
  CAS-BOT-BC10093  Delphinium luteum Milo S. Baker 1926-4-14 186 e Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC8004  Delphinium nudicaule Milo S. Baker 1935-5-12 8080 Sonoma 0.5 mi. up Salmon Creek Comment
  UCSB22476  Delphinium nudicaule McCarthy, Sharon 1965-4-16 Sonoma north of junction of 5th St. West and Verano Ave., Sonoma 60 Comment
  RSA138296  Delphinium patens Volney Rattan 1903-1 1880 Sonoma Healdsburg 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
  UCR198239  Dendromecon rigida Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .266 Sonoma Cavesdale Road 518 Comment
  CAS-BOT-BC11002  Dendromecon rigida subsp. rigida J. Clausen 1933-3-25 725 Sonoma About 4 miles east of Warfield along the road to Oakville. On the Youngman Ranch. 213 Comment
  OBI35893  Deschampsia cespitosa David J. Keil 1983-6-30 17209 Sonoma Stillwater Cove Regional Park Comment
  UCD61085  Deschampsia cespitosa Peter Kamb; Francia Chisaki 1950-6-16 1861 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  SDSU992  Deschampsia cespitosa subsp. cespitosa D. F. Howe 1963-7-3 3587 Sonoma 20 miles north of junction with #12 on #1 Comment
  UC573999  Deschampsia cespitosa subsp. cespitosa H. S. Yates 1936-5-16 5605 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad. Comment
  UC727687  Deschampsia cespitosa subsp. cespitosa Milo S. Baker 1946-5-13 11393 Sonoma marsh adjoining on n. Pitkin Ranch; Vine Hill Region Comment
  CAS-BOT-BC192613  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  JEPS68497  Deschampsia danthonioides W. L. Jepson 1911-4-30 4183 Sonoma near Glen Ellen Sonoma Valley, Glen Ellen 83 Comment
  UCR255046  Deschampsia danthonioides Greg de Nevers 1998-5-5 11230 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; on Weimar Flat 400 Comment
  SEINET10662640  Deschampsia danthonioides P. Rubtzoff 1969-6-14 Rubtzoff 6084 Sonoma 6.5 mi. northeast of Penngrove on Lichau Road. Comment
  UC730019  Deschampsia danthonioides Leo F. Koch 1940-4-24 845 Sonoma field just n. of Warfield Station 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-BC201957  Deschampsia elongata K. Wagnon 1939-5-14 198 Sonoma Along lane running through lower part of Wagnon Ranch, 5 miles west of Sebastopol Comment
  CAS-BOT-BC201958  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley near Santa Rosa Comment
  CAS-BOT-BC201966  Deschampsia elongata Peter Rubtzoff 1958-7-19 3754 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC1131465  Deschampsia elongata H. S. Yates 1936-5-16 5607 Sonoma 1 mi. n.w. Mountain View School; Sebastopol Quad. Comment
  UCD151080  Dichelostemma James A. Neilson Jr. 1973-6-3 2990 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC502206  Dichelostemma capitatum G. DeNevers 1981-4-25 859 Sonoma Mark West Creek and Leslie Creek confluence, roadside. Pepperwood Ranch Comment
  CHSC33027  Dichelostemma capitatum subsp. capitatum Jane A. Rogers 1979-4-15 11 Sonoma S side of Barnett Valley Rd., ca. 2 mi. e of intersection of Barnett Valley Rd. and Bodega Hwy., ca. 4 mi. w of Sebastopol. 137 Comment
  SEINET7067346  Dichelostemma capitatum subsp. capitatum A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  RSA39845  Dichondra donelliana Vanderwal 1941-11-6 s.n. Sonoma Frank Silva property, Sebastopal. Comment
  SBBG39521  Dichondra donelliana L. S. Rose 1970-4-18 70029 Sonoma 4 mi N of Sonoma 274 Comment
  CAS-BOT-BC209111  Digitaria sanguinalis Catherine Best 1987-7-2 1299 Sonoma Along Todd Road about 1 mile from Llano Road Comment
  CAS-BOT-BC209112  Digitaria sanguinalis John H. Thomas 1969-9-21 15475 Sonoma About 1 mile north of Graton along Highway 116. Comment
  UCD148408  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC151378  Diplacus tricolor Peter Rubtzoff; H. A. Froebe 1971-5-30 6482 Sonoma 4.25 mi. west of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC151377  Diplacus tricolor James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  UCD137487  Dipsacus sativus J. D. Skoss 1948-7-25 40 Sonoma Shellville. Comment
  CAS-BOT-BC121892  Dirca occidentalis Mary Wells 1997-2-26 1078 Sonoma Growing on Salmon Creek Road about 2 mi NW of Bodega Comment
  RSA135323  Disporum hookeri var. hookeri Volney Rattan 1877-1 s.n. Sonoma Guerneville. Comment
  RSA0022417  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just S of Hwy 116. 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
  RSA247149  Dodecatheon hendersonii Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1006 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  JEPS86773  Downingia concolor var. concolor Jack and Betty Guggolz 1990-5-4 1046 Sonoma 1.25 mi w Fulton Road (n side of Piner Road, in the sw corner of a Simi Winery vineyard) 30 Comment
  SD106151  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Cotati Valley, at Wilfrid Station. Comment
  UC1244021  Downingia concolor var. concolor John H. Weiler 1960-5-22 60128 Sonoma Schellville, Southern Pacific railroad gradings Schellville Comment
  UC1244025  Downingia concolor var. concolor John H. Weiler 1960-4-22 60101 Sonoma 3.0 mi n Agua Caliente (or 1.7 mi n of the turn to the Sonoma State Home, on the w side of State Highway 12) Comment
  UC1244031  Downingia concolor var. concolor John H. Weiler 1959-4-26 5960 Sonoma about 1 mi se Schellville (along State Highway 36) Comment
  JEPS103647  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 147 -95 Sonoma N of Sonoma at Rt. 12 entrance to Sonoma Valley Regional Park Comment
  JEPS108527  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 149 -95 Sonoma Santa Rosa. Roadside ditch along Alton Lane, off of Fulton Rd., just N of Piner Rd. Comment
  JEPS87237  Downingia pusilla Jack and Betty Guggolz 1992-5-6 1278 Sonoma 1.25 mi ne Windsor 42 Comment
  UC1188748  Downingia pusilla John H. Weiler 1961-4-30 6196 Sonoma 4.4 mi n Sears Point (along State Highway 37) Comment
  UCR279878  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma North Coast Range, 4.25 miles west of Glen Ellen on Bennett Valley Road 220 Comment
  CAS-BOT-BC41418  Draba verna G. DeNevers 1981-4-1 600 Sonoma Pepperwood Ranch. In Leslie Creek, 200 m up from Mark West Creek and Leslie Creek intersection. Comment
  SEINET11620875  Dryopteris arguta F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -61 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  CAS-BOT-BC71023  Dryopteris arguta G. DeNevers 1981-4-25 853 Sonoma Mark West Creek and Leslie Creek confluence Comment
  RSA120869  Dryopteris arguta Milo S. Baker 1898-2-19 715 Sonoma Hills NE of Santa Rosa Comment
  SEINET11620568  Dryopteris arguta W. Knight, Knight, I. 1984-1 5412 Sonoma Gualala Point State Park Comment
  SD38625  Dudleya farinosa Edith A. Purer 1932-7-21 4036 Sonoma Bodega Bay Comment
  UC933225  Dudleya farinosa Reid Moran March 1949 3184 Sonoma coast n Bodega Comment
  SEINET4558824  Dysphania botrys Peter Rubtzoff 1965-1 5615 Sonoma Russian River bottom at Forest Hills (5.5 mi east of Guerneville) Comment
  CAS-BOT-BC210129  Echinochloa Peter Rubtzoff 1976-8-29 8836 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC176373  Echinochloa crus-galli Peter Rubtzoff 1953-11-1 1430 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  SEINET11690150  Echinochloa crus-galli W. Knight, Knight, I.; Howell, J. T. 1987-1 6283 Sonoma Llano Road between Gravenstein Hwy & Todd Road near sewage plant 20 Comment
  UCD61213  Ehrharta erecta P. G. Connors 1992-5-12 252 Sonoma Near Salmon Creek (Miwok Rd.). Comment
  UCD150856  Elatine brachysperma Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC261656  Eleocharis Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7801 Sonoma Kenwood Marsh. Comment
  SEINET11750917  Eleocharis acicularis C. F. Quibell 1976-1 1361 Sonoma N of Railroad Ave, W of US 101, Cristo fence route 30 Comment
  UCD49742  Eleocharis palustris S. Galen Smith; Malcolm A. Nobs 1949-8-1 1113 Sonoma Bog 2 miles east of Stewart's Point on road to Geyserville, Sonoma County. Comment
  CAS-BOT-BC112662  Eleocharis parvula Peter Rubtzoff; Vanette Bunyan 1973-8-25 7257 Sonoma Lower Salmon Creek Marsh. Just east of Hwy 1. Comment
  CAS-BOT-BC112198  Eleocharis radicans Peter Rubtzoff 1970-9-2 6353 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC112166  Eleocharis radicans Peter Rubtzoff 1951-7-14 446 Sonoma Southern half of the Lower Marsh. Comment
  CAS-BOT-BC112197  Eleocharis radicans Peter Rubtzoff 1970-7-17 6288 Sonoma 5 mi north of Dears Point. Comment
  UCD165112  Eleocharis rostellata Peter Rubtzoff 1973-9-9 7321 Sonoma Kenwood Marsh. Comment
  UC1146675  Elymus X hansenii Freed W. Hoffman 1941-8-2 2224 Sonoma Gualala River North Coast Ranges (headwaters) Comment
  UC769909  Elymus glaucus Robert F. Hoover 1941-6-7 5300 Sonoma Molino Comment
  SEINET11690147  Elymus glaucus J. T. Howell, Knight, W.; Knight, I. 1987-1 6229 Sonoma Todd Road Preserve 24 Comment
  CDA37196  Elymus glaucus subsp. glaucus CDFA Staff 2005-5-19 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC1146678  Elymus glaucus subsp. virescens Freed W. Hoffman 1944-5-27 2009 Sonoma Bodega Park North Coast Ranges (ocean bank) Comment
  UC573704  Elymus glaucus subsp. virescens H. S. Yates 1936-5-17 5624 Sonoma 1 1/2 mi e Bodega Port; Duncan Mills Quadrangle 121 Comment
  UCD62407  Elymus glaucus subsp. virescens Beecher Crampton 1957-7-11 4311 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC376253  Epilobium Greg de Nevers 1993-4-11 10365 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. East of middle road through Bald Hills 304 Comment
  CAS-BOT-BC166837  Epilobium canum subsp. latifolium F. G. Krauss 1893-11-2 s.n. Sonoma Krauss Ranch Comment
  UC20057  Epilobium ciliatum subsp. ciliatum J. Burtt Davy Aug., 1896 4136 Sonoma Russian River Comment
  RSA800033  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
  POM259043  Epilobium ciliatum subsp. watsonii J. T. Howell 1938-7-3 13957 Sonoma Pitkin Marsh. Comment
  UC1122559  Epilobium ciliatum subsp. watsonii H. S. Yates 1934-4-21 3791 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UCD160837  Epilobium densiflorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3437 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCD160972  Epilobium densiflorum James A. Neilson Jr. 1975-7-8 3407 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCD166183  Epilobium densiflorum Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove on Lichan Road. 426 Comment
  UC1299436  Epilobium foliosum Freed W. Hoffman 1947-4-13 1848 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  RSA800407  Epilobium hallianum Peter Rubtzoff 1959-5-30 4058 Sonoma Freestone Marsh. Comment
  RSA41106  Epilobium minutum Robert F. Hoover 1939-4-18 4040 Sonoma Occidental Comment
  UC19965  Epilobium torreyi H. N. Bolander June 1867 6535 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  UC1585376  Epipactis gigantea R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 3 Sonoma On Skaggs Springs-Stewarts Point Rd. 6.9 km w Soda Springs (e of Stewarts Point, along river); Gualala River Comment
  RSA784480  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA784482  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165328  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC210087  Equisetum Peter Rubtzoff 1964-6-20 5361 Sonoma Laguna de Santa Rosa southeast of Sebastopol (near Cooper Road). Comment
  CAS-BOT-BC57047  Equisetum arvense Peter Rubtzoff 1958-4-26 3601 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC210088  Equisetum hyemale subsp. affine Peter Rubtzoff 1959-6-20 4184 Sonoma Willow Creek Marsh. Comment
  UCR255026  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 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
  UCD135527  Equisetum laevigatum Frederica Bowcutt 1994-6-12 1894 Sonoma About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  CAS-BOT-BC57651  Equisetum telmateia Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh Comment
  UC810265  Equisetum telmateia subsp. braunii Koch 1940-4-16 9543 Sonoma Hwy between Salmon Creek and Wright's Beach (Hwy. 1) Comment
  CAS-BOT-BC172570  Eragrostis cilianensis Peter Rubtzoff 1961-8-25 s.n. Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC284191  Eragrostis pectinacea var. pectinacea David Morgan 1960-6-1 s.n. Sonoma Denman Flats 3 mi. s. of Cotati on road to Petaluma Comment
  CAS-BOT-BC284192  Eragrostis pectinacea var. pectinacea G. DeNevers 1981-6-26 1660 Sonoma Pippindale Garden, Pepperwood Ranch Comment
  RSA149838  Ericameria ericoides var. ericoides George W. Barclay 1839-10 3037 Sonoma Bodegas Comment
  CAS-BOT-BC293631  Erigeron biolettii John Thomas Howell 1932-10-9 10811 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC293625  Erigeron biolettii Milo S. Baker 1948-7-27 12079 Sonoma Near summit of Hood Mt. 792 Comment
  CAS-BOT-BC214551  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC214552  Erigeron philadelphicus Peter Rubtzoff 1951-7-28 553 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UCD15836  Erigeron philadelphicus var. philadelphicus K. Mawdsley 1998-6-30 43 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 Vista Trail where it crosses tributary of Sonoma Creek. 548 Comment
  CAS-BOT-BC300247  Erigeron reductus var. angustatus Catherine Best 1981-6-5 s.n. Sonoma Bohemian Hwy. 3 miles north of Occidental Comment
  CAS-BOT-BC300248  Erigeron reductus var. angustatus G. DeNevers 1981-6-20 1634 Sonoma Pepperwood Ranch. At the Dentist's Lake Comment
  CAS-BOT-BC300303  Erigeron supplex Mary P. Wells 1985-6-3 516 Sonoma Drive off Wild Fern Close, The Sea Ranch Comment
  CAS-BOT-BC224149  Eriodictyon californicum Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 mi north of Occidental Comment
  CDA11915  Eriodictyon californicum G. F. Hrusa, G. L. Stebbins 1994-4-8 11733 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Comment
  CAS-BOT-BC224156  Eriodictyon californicum Maxine Wilkes 1933-6-16 s.n. Sonoma So. of Healdsburg Comment
  SEINET12329795  Eriodictyon californicum W. Knight, Knight, I.; Edwards, S. 1986-1 5321 Sonoma trail to Geyser Peak W of Geyserville from Geyser Rd 853 Comment
  CAS-BOT-BC250013  Eriogonum fasciculatum var. foliolosum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road near the Warm Springs Dam Overlook Comment
  CAS-BOT-BC259250  Eriogonum latifolium Noel H. Holmgren; James L. Reveal 1966-6-6 2648 Sonoma Just north of Ocean View Comment
  CAS-BOT-BC259259  Eriogonum latifolium John Thomas Howell 1930-6-8 5288 Sonoma 8.5 miles n. of Bodega Bay Comment
  UC412860  Eriogonum latifolium Miss C. M. Hoak 1912-8-8 Sonoma Monte Rio Comment
  RSA29503  Eriogonum latifolium E. K. Balls, Percy C. Everett 1953-10-9 18598 Sonoma 0.5 mi. n.w. of Salmon Creek, Hwy 1, between Bodega Bay and Jenner. Comment
  UCSB50229  Eriogonum latifolium Gray, John 1976-5-5 Sonoma Bluff above Carment State Beach; T6N R11W 15 Comment
  CAS-BOT-BC259469  Eriogonum luteolum R. F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade road near Occidental Comment
  CAS-BOT-BC270979  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine, Austin Creek Comment
  CAS-BOT-BC261696  Eriogonum nudum var. nudum Peter Rubtzoff 1951-8-26 676 Sonoma South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC261682  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Near Healdsburg Comment
  CHSC107500  Eriogonum vimineum D. G. Kelch; Troy McGregor 2010-8-22 10 .356 Sonoma Nr Peak of Geyser Peak Rd. Comment
  SEINET11935781  Eriogonum vimineum Unknown 1986-1 60288 Sonoma Sonoma Co. at Lake Co. line: Mayacamas Mts., Pine Mt. fireroad, ca 1/2 mi N of Ida Clayton Rd 747 Comment
  UC31703 Image available Eriophyllum confertiflorum var. confertiflorum Ivar Tidestrom 1905-6-3 Sonoma Comment
  SEINET5781672 Image available Eriophyllum lanatum Marcus E. Jones 1882-1 2773 Sonoma Duncan's Mills Comment
  CHSC52665  Eriophyllum lanatum var. achilleoides James Jokerst 1985-5-29 2384 Sonoma Near Cobb Mountain. 1126 Comment
  CAS-BOT-BC301287  Eriophyllum lanatum var. arachnoideum J. Clausen 1935-5-24 1086 Sonoma 5.1 mi. S. of Jenner on the Bodega road Comment
  CAS-BOT-BC301288  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma Jensen Ranch, at head of Dohrman Creek, four miles west of Healdsburg Comment
  JEPS19377  Eriophyllum lanatum var. arachnoideum G. Thomas Robbins 1937-6-6 235 Sonoma along roadside near Bodega Bay Comment
  CAS-BOT-BC301293  Eriophyllum lanatum var. arachnoideum Milo S. Baker 1947-5-30 11780 Sonoma Harrison's Grade ca 2 mi. N.E. of Occidental Comment
  CAS-BOT-BC290704  Erodium Peter Rubtzoff 1974-5-18 7436 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC73463  Erodium botrys Miss M. Alice King May 1897 Sonoma Lytton Springs Comment
  UCD103019  Erodium botrys Frederica Bowcutt 1994-5-1 1796 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon S of Sonoma Creek about 150 yards, 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge Campground. 350 Comment
  JEPS117126  Erodium botrys Peter Warner 2010-3-29 119 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  SEINET12183468  Erodium botrys F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -171 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 450 Comment
  UC66138  Erodium moschatum A. A. Heller 1902-3-26 5159 Sonoma Santa Rosa Comment
  CDA28602  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 C Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  CDA28603  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 B Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  RSA0039520  Eryngium aristulatum G. Fred Hrusa, A. Buckmann 1996-10-5 13582 C Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Road +/- 2 m. SW of Calistoga. 700 Comment
  UC1365625  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-8-25 5805 Sonoma e. Graton (between Occidental and Guerneville rds, Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  POM259280  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma Low lands bordering the San Pablo Bay southwest of Sonoma 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
  HSC92211  Eryngium armatum A. T. Austin 1990-5-23 Sonoma Fort Ross State Park, FR 42 Comment
  UC1126593  Erysimum capitatum E. Armstrong 1934-3-26 939 Sonoma 3 mi n Camp Meeker; Sebastopol Quadrangle Comment
  CAS-BOT-BC153621  Erythranthe inodora Peter Rubtzoff 1959-6-13 4128 Sonoma Willow Creek Marsh. Bank of Willow Creek Comment
  CAS-BOT-BC153622  Erythranthe inodora Peter Rubtzoff 1969-8-14 6125 Sonoma Salmon Creek Road ca. 5 mi. west of Bodega (town) (1.1 mi. west of Finley Creek crossing); Salmon Creek margin Comment
  SD254492  Erythronium californicum Ann Howald 2015-4-1 3314 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd., 14.7 miles west of intersection with Rockpile Rd., Wolf Creek drainage. 99 Comment
  UC1299356  Erythronium californicum Freed W. Hoffman 1947-4-20 1866 Sonoma near Mercury (Geysers to Healdsburg); North Coast Ranges Comment
  POM266133  Erythronium helenae Elmer I. Applegate 1934-3-25 s.n. Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  RSA304235  Erythronium helenae James R. Shevock 1972-3-28 1488 Sonoma Road bank Hwy 128, N. of Clonersdale. 91 Comment
Read comments Mar 30 2015
  SEINET3991264  Erythronium helenae Unknown 1934-3-25 8855 Sonoma Headwaters of Sulpher Creek, opposite the old Sonoma quicksilver mine 610 Comment
  CAS-BOT-BC403693  Eschscholzia californica Roxana S. Ferris; Laura Lorraine 1961-6-14 13525 Sonoma Junction of Bittner Rd. with Joy Rd., between Occidental and Bodega Comment
  SD40082  Eschscholzia californica Edith A. Purer 1932-7-29 4047 Sonoma Bodega Bay. Comment
  UCR265104  Eschscholzia californica Ann Howald 2015-4-1 3336 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 18.3 miles west of intersection with Rockpile Rd, Wolf Creek drainage 131 Comment
  UC353919  Eucalyptus camaldulensis Milo S. Baker 1928-1-28 3237 b Sonoma w. side Los Guilicos Valley Comment
  UC869900  Euonymus occidentalis var. occidentalis K. Wagnon May 1939 220 Sonoma 5 mi. w. of Sebastopol (1/8 mi. n.e. of Wagnon Ranch, along Jonive Creek) Comment
  CAS-BOT-BC376261  Euphorbia Greg de Nevers 1992-8-16 10244 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. On Franz Valley School Road 304 Comment
  UC73438  Euphorbia peplus Milo S. Baker 1898-4-5 17 Sonoma 0.5 mi e Stewart's Point Comment
  UC86939  Eurybia radulina Michener and Bioletti Sep 7 1891-Jan 1 1900 110 /a Sonoma Comment
  UCR254754  Euthamia occidentalis Peter Rubtzoff 1969-8-26 6155 Sonoma On River Road, c. 3 miles west of Fulton 27 Comment
  CAS-BOT-BC239726  Fabaceae Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC239730  Fabaceae Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC418825  Fagopyrum esculentum H. K. Wagnon 1988-8-8 1797 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive 67 Comment
  CAS-BOT-BC384609  Festuca Greg de Nevers 1989-4-1 9068 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  SDSU1110  Festuca californica D. F. Howe 1963-5-23 3528 Sonoma 3.8 miles north of Cloverdale on #128 335 Comment
  UCD65833  Festuca californica Gerry North 1993-4 29 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.6 miles from Goodspeed trailhead; north side of road. 358 Comment
  CAS-BOT-BC278394  Festuca elmeri Greg de Nevers 1987-6-1 8187 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC278415  Festuca idahoensis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53981 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC38544  Festuca idahoensis Michener and Bioletti 1893-7-31 119 Sonoma Hood's Peak Comment
  UC38546  Festuca idahoensis F. T. Bioletti 1893-6-10 103 Sonoma Hood's Peak Comment
  UCD151131  Festuca idahoensis James A. Neilson Jr. 1973-6-6 2976 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  UC573932  Festuca rubra H. S. Yates 1937-5-31 6564 Sonoma 1 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  SEINET11690155  Festuca rubra W. Knight, Knight, I.; Howell, J. T. 1987-1 6276 Sonoma Todd Road Preserve 24 Comment
  SEINET181249  Filago gallica Bassett Maguire, R Maguire; Maguire 1934-6-7 15312 Sonoma 2 mi N of Kellogg Comment
  CHSC3920  Fragaria chiloensis A. K. Revard 1967-3-19 1 Sonoma On cliff, ca. 6 ft. w of Hyw. 1, and ca. 1/4 mi. s of Miwok Beach. 10 Comment
  CAS-BOT-BC455955  Fragaria chiloensis Walter Knight; Irja Knight 1964-2-18 567 Sonoma Hiway #1, Rocky Point. Coastal bluff. Comment
  UC466558  Fragaria vesca Milo S. Baker May 1899 Sonoma Stewart's Canyon Comment
  UCD112544  Frangula californica G. F. Hrusa; J. Pfeiffer 1995-9-23 12466 Sonoma N slope of Cavedale Edaphic Island. 400 Comment
  JEPS44085  Fraxinus latifolia W. L. Jepson 1903-10-4 2364 Sonoma near Guerneville; Bohemian Club Grove Comment
  RSA223348  Fraxinus latifolia Peter Rubtzoff 1964-6-20 5364 Sonoma Laguna de Santa Rosa southeast of Sebastopol near Cooper Road Comment
  JEPS42908  Fremontodendron californicum E. L. Greene 1912-6-21 Sonoma Glass Hill, Cazadero Comment
  UC1084349  Fritillaria affinis G. Thomas Robbins 1937-3-25 4 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  UC843892  Fritillaria affinis Alice Eastwood 1918-5-1 6858 Sonoma Mount St. Helena Comment
  SEINET12050173  Fritillaria affinis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -200 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC130453  Fritillaria purdyi Milo S. Baker 1927-4-23 2207 a Sonoma Mt. St. Helena Comment
  UC197239  Fritillaria recurva Michener and Bioletti April 1892 Sonoma Hoods Peak Comment
  UC480623  Fritillaria recurva Carl Meyer 1928-3-3 321 Sonoma Santa Rosa Comment
  RSA44297  Galium andrewsii E. Z. Lovegrove 1946-4-28 s.n. Sonoma Mt St Helena. Comment
  UCD121623  Galium aparine Erik Beever 1993-5-8 222 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. 365 Comment
  UC28195  Galium bolanderi F. T. Bioletti June 1893 Sonoma top Hood's Peak 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
  SBBG29176  Galium divaricatum M. S. Baker 1947-5-12 11768 Sonoma SW slope of Hood Mt along horse trail from Gray Ranch 441 Comment
  JEPS52831  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-10-26 3944 Sonoma 12.2 mi e Stewart's Point (on road to Geyserville) 91 Comment
  HSC100970  Galium muricatum Peter Warner 2011-5-26 209 Sonoma Cresta Ranch, (off Mark West Springs Rd. at Mark West Lodge), ~540 m South of Cresta Rd. 0 Comment
  UCD121825  Galium nuttallii M. Barbour 1970-11-30 s.n. Sonoma Bodega Marine Station. Comment
  RSA94357  Galium trifidum Peter Rubtzoff 1951-6-30 315 Sonoma Western branch of the Upper Marsh. Comment
  RSA28561  Gamochaeta ustulata Annetta Carter, Ethel Crum 1941-6-22 2148 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  CAS-BOT-BC199067  Garrya elliptica L. R. Abrams 1920-7-3 7628 Sonoma Stewarts Point Comment
  CAS-BOT-BC199068  Garrya elliptica Greg de Nevers 1987-7-10 8238 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC182166  Garrya fremontii Walter Knight; Irja Knight 1963-9-1 149 Sonoma Pint Mt Rd - NE of Cloverdale, Harold Smith Ranch Comment
  HSC39063  Garrya fremontii Gary S. Lester 1974-2-9 66 Sonoma Along Trinity Rd. 549 Comment
  CAS-BOT-BC278683  Gastridium phleoides G. DeNevers 1981-9-12 1843 Sonoma Pepperwood Ranch. On Mark West Creek, at confluence with Leslie Creek Comment
  CAS-BOT-BC278694  Gastridium phleoides Peter Rubtzoff 1962-9-16 5091 Sonoma Vacation Beach, 1.5 mi. below Guerneville Comment
  CAS-BOT-BC320464  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh. Comment
  CDA21217  Gaudinia fragilis J. Valerius, D. Lake 2002-6-25 s.n. Sonoma Cloverdale; scraped area NW of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101. 0 Comment
  SBBG5536  Gaultheria shallon H. and M. Dearing 1939-5-15 3389 Sonoma N of Fort Ross 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
  UCD159449  Gazania linearis D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 206 Sonoma Bodega Bay. Near Hitchcock movie house. 53 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
  SDSU7153  Gentiana sceptrum D. F. Howe 1972-6-27 4841 Sonoma Near Pitkin Marsh. Comment
  JEPS61474  Geranium carolinianum Milo S. Baker 1898-5-7 635 Sonoma Glen Ellen Comment
  SDSU7342  Geranium core-core D. F. Howe 1963-8-1 3654 Sonoma 2.2 miles north of Jenner on #1. Comment
  RSA0028534  Geranium dissectum Robert F. Thorne 1965-4-19 34261 Sonoma Cotati, Waters Ranch 30 Comment
  UC424771  Geranium molle Milo S. Baker 1929-5-3 3602 a Sonoma Coleman Valley Comment
  UCD103397  Geranium molle Milo S. Baker 1935-5-12 s.n. Sonoma Highway 12 at Larkspur Rock, 1 mi. east of Bodega Bay. Comment
  UCD160216  Gilia capitata James A. Neilson Jr. 1974-5-17 2867 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated by label maker.) 1115 Comment
  CAS-BOT-BC361367  Gilia capitata subsp. capitata Greg de Nevers 1997-4-12 10929 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC225279  Gilia capitata subsp. chamissonis Peter Rubtzoff 1960-5-18 4384 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC225286  Gilia capitata subsp. chamissonis Alice Eastwood 1915-6-29 4824 Sonoma Bodega Point Comment
  UCD117705  Gilia capitata subsp. chamissonis Eric S. Ngay 1990-5-18 7 Sonoma Bodega Head, first dune ridge west of harbor along road, east of marine lab dorms, Bodega Bay. Comment
  CAS-BOT-BC226170  Gilia capitata subsp. tomentosa L. R. Abrams 1920-7-3 7622 Sonoma Stewarts Point Comment
  JEPS97637  Gilia capitata subsp. tomentosa Annetta M. Carter 1947-5-30 1842 Sonoma 2 mi. E of Occidental. Comment
  UC1745902  Gilia capitata subsp. tomentosa Annetta M. Carter, Edward Lee 1936-6-21 1200 Sonoma 2.2 mi. inland from Bodega Bay on road to Bodega. Comment
  UCR50513  Gilia leptalea L. F. LaPre, K. Campbell 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
  UC133787  Gilia millefoliata Alice Eastwood Sonoma Bodega Point Comment
  UC932018  Gilia tricolor subsp. tricolor Verne Grant, Alva Grant March 1946 7850 Sonoma near Cloverdale; near Cloverdale Comment
  JEPS81970  Githopsis diffusa subsp. robusta Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9111 Sonoma between 1 and 1.25 mi due w Napa County line (along the Franz Valley School road) 219 Comment
  SEINET10972190  Githopsis specularioides A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5308 Sonoma Fields east of Santa Rosa Comment
  UC22424  Glaux maritima J. Burtt Davy 1897-9-19 4060 Sonoma Petaluma Comment
  SEINET3821488  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  JEPS26838  Glechoma hederacea Rimo Bacigalupi 1961-5-21 7701 Sonoma 3.25 mi nw Sebastopol (at corner of Mills station road and Occidental road, drainage of Atascadero Creek); Atascadero Creek 40 Comment
  SEINET10817021  Glyceria P. Rubtzoff 1964-6-24 Rubtzoff 5379 Sonoma Coleman Marsh. Comment
  UC1446208  Glyceria declinata Paul But with Peter Rubtzoff 1974-4-6 1005 Sonoma Kenwood Marsh Comment
  UCD166292  Glyceria declinata Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  UCR282048  Glyceria declinata Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa 24 Comment
  CAS-BOT-BC282806  Glyceria leptostachya Peter Rubtzoff 1951-6-9 187 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  RSA126635  Glyceria leptostachya H. S. Yates 1937-5-30 6554 Sonoma 1.5 miles E. of Occidental. 91 Comment
  RSA94258  Glyceria leptostachya Peter Rubtzoff 1951-6-17 285 Sonoma Northern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  UCD105811  Glycyrrhiza lepidota Freed W. Hoffman 1946-8-16 785 Sonoma Near Guerneville. Gravel bar, Russian River. Comment
  CAS-BOT-BC166783  Gnaphalium palustre Peter Rubtzoff 1954-7-3 1515 Sonoma Vacation Beach, near Guerneville. 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-BC302697  Gnaphalium palustre Peter Rubtzoff 1955-8-21 2093 Sonoma Vacation Beach, near Guerneville, along Russian River, below the dam. Comment
  JEPS87227  Gnaphalium palustre Jack and Betty Guggolz 1992-7-17 1330 Sonoma low area in a large cattle pasture Bloomfield Road 36 Comment
  RSA785847  Gnaphalium palustre Peter Rubtzoff 1969-10-29 6202 Sonoma River Road, 3 mi W of Fulton Comment
  CDA6006  Gnaphalium purpureum T. C. Fuller 1958-5-24 3986 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA800205  Gratiola ebracteata Peter Rubtzoff 1959-4-19 4039 Sonoma Laguna de Santa Rosa, east of Sebastopol, near Santa Rosa road crossing. Comment
  RSA800342  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC235485  Gratiola heterosepala Greg de Nevers 1994-6-12 10525 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC164094  Grindelia Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC305195  Grindelia hirsutula G. DeNevers 1981-5-23 1286 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC305201  Grindelia hirsutula D. E. Breedlove 1980-6-28 44811 Sonoma Pepperwood Ranch W of Knights Valley Comment
  POM58296  Grindelia hirsutula Michener, Bioletti 1893-06 s.n. Sonoma Glen Ellen Comment
  UC87905  Grindelia hirsutula J. W. Congdon April 1880 Sonoma Petaluma Comment
  CAS-BOT-BC302253  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Sprs. Comment
  JEPS40061  Harmonia nutans R. Kuhn 1914-10-5 Sonoma Sonoma Comment
  CDA37137  Hedera helix Chris Heintzelman 2012-4-13 PDR# 1596521 Sonoma Salt Point, approx. 1/2 mile north of Fisk Mill Cove, along Hwy 1. 0 Comment
  CAS-BOT-BC306771  Helenium bigelovii John Thomas Howell 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC306772  Helenium bigelovii John Thomas Howell 1937-6-6 13035 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC262949  Helenium puberulum Peter Rubtzoff 1955-7-31 2014 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC309580  Helenium puberulum Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC309589  Helenium puberulum Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC262956  Helenium puberulum Peter Rubtzoff 1962-7-28 5003 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  POM54893  Helenium puberulum A. A. Heller 1902-7-1 5795 Sonoma Lagoon at Sebastopol Comment
  CDA31289  Helianthella californica D. G. Kelch, Ed Biffin 2010-5-3 10 .201 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SEINET11843060  Helianthella californica Unknown 1985-1 RR 50176 Sonoma W of Healdsburg, ridge of W side of Dry Creek Valley, N of Dorman Canyon to Bradford Mt. area 244 Comment
  RSA74081  Helianthemum scoparium var. vulgare Anonymous 1947-5-12 11765 Sonoma South slope of Sugar Loaf Peak of Hood Mt. 457 Comment
  RSA0006558  Heliotropium spathulatum subsp. oculatum A. A. Heller 1902-7-8 5813 Sonoma Russian River at Healdsburg. Comment
  CAS-BOT-BC305971  Helminthotheca echioides Walter Knight; Irja Knight No date on label 120 Sonoma Blue Bell Lane, Coddingtown Comment
  CAS-BOT-BC262967  Hemizonia Peter Rubtzoff 1956-9-16 2927 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC262968  Hemizonia Peter Rubtzoff 1970-9-3 6379 Sonoma Marsh off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek. Comment
  CAS-BOT-BC258395  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC258927  Hemizonia Peter Rubtzoff 1959-9-12 4263 Sonoma Willow Creek Marsh. Comment
  RSA800071  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  RSA800150  Hemizonia Peter Rubtzoff 1970-8-5 6302 Sonoma 5 mi north of Sears Point. Comment
  CDA36844  Hemizonia congesta 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
  POM360350  Hemizonia congesta L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  CAS-BOT-BC306155  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-10 717 -A Sonoma About a mile west of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC306224  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  CAS-BOT-BC306227  Hemizonia congesta subsp. congesta Walter Knight; Irja Knight 1963-9-1 144 Sonoma Pine Mt. Rd - NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC306241  Hemizonia congesta subsp. congesta J. W. Congdon 1880-8-2 s.n. Sonoma Petaluma & Santa Rosa Road Comment
  CAS-BOT-BC306242  Hemizonia congesta subsp. congesta James I. McMurphy 1908-9-26 s.n. Sonoma Foothills east of Fulton Comment
  CAS-BOT-BC309671  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma At Sebastopol Comment
  CAS-BOT-BC309672  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma At Sebastopol Comment
  CAS-BOT-BC309685  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles ne. of Penngrove 243 Comment
  CAS-BOT-BC309699  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309716  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5411 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC309706  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -D Sonoma About a mile W of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309946  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles ne. of Penngrove 426 Comment
  CAS-BOT-BC309950  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 s.n. Sonoma Valley across hills from Petaluma Comment
  CDA30997  Hemizonia congesta subsp. luzulifolia D. G. Kelch, Troy McGregor 2010-8-22 10 .352 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  RSA791599  Hemizonia congesta subsp. luzulifolia A. Howald 2011-8-28 2804 Sonoma North Coast Ranges: west slope of Mayacamas Mountains, Los Alamos Road at Cougar Lane, 2.3 miles east of intersection Hwy 12 329 Comment
  UCD158829  Hemizonia congesta subsp. luzulifolia James A. Neilson Jr.; Teresa A. Sholars 1974-12-26 2926 Sonoma The Geysers, Section 14. (Elevation and coordinates estimated by label maker.) 533 Comment
  UCR233076  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12 329 Comment
  UCR233089  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2807 Sonoma North Coast Ranges, Sonoma Valley, Felder Creek drainage, west side of Macabee Rd., 0.2 mi. north of Felder Rd., west of Arnold Dr. 34 Comment
  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
  CAS-BOT-BC309959  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-9-15 301 Sonoma Unspecified Comment
  CDA7023  Hemizonia congesta subsp. luzulifolia T. C. Fuller 1961-10-13 7109 Sonoma Highway 101, 2 miles south of Asti. 0 Comment
  CDA20440  Hemizonia fitchii McArthur 2002-9-4 PDR P 092053 Sonoma Northern California; State park in the vicinity of Kenwood. 0 Comment
  RSA144367  Hemizonia multicaulis subsp. vernalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UC31907  Hesperevax sparsiflora var. sparsiflora Alice King 1897-6-1 Sonoma Healdsburg Comment
  CAS-BOT-BC176030  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma Southwest slope of Hood Mt. above Baker Ranch 213 Comment
  JEPS128297  Hesperolinon micranthum Roger Raiche 2010-6-16 023 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA63652  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma South slope of Hood Mt. Above Baker Ranch. 213 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
  UC1212402  Hesperolinon spergulinum Herbert L. Mason 1946-7-4 12901 Sonoma 2 mi e Occidental; Inner North Coast Ranges Comment
  UC73445  Hesperolinon spergulinum Milo S. Baker 1904-6-19 Sonoma above Maple Glen; Sonoma Creek Canyon Comment
  UCD95457  Hesperomecon linearis Laurie E. Miller 1974-5-11 158 Sonoma Bodega Head outside Bodega Marine Life Refuge. 6 Comment
  CAS-BOT-BC311060  Heterotheca oregona var. oregona Volney Rattan 1877-6-13 s.n. Sonoma Guerneville Comment
  UCD167440  Heterotheca oregona var. oregona Peter Rubtzoff 1978-8-12 9257 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. E of Healdsburg (ca. 2.7 mi. E of Healdsburg Avenue), on South Fitch Mountain Road. Comment
  UCD133084  Heterotheca sessiliflora subsp. bolanderi Mary M. Hektner 1976-9-16 269 Sonoma below south end of yardarm Drive, Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC424181  Heuchera micrantha var. erubescens Peter Rubtzoff 1954-6-5 1455 Sonoma S of Guerneville (Neely Hill area) Comment
  CAS-BOT-BC424432  Heuchera pilosissima Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  RSA0062989  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near the south end of Bodega Bay. 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
  UCD35325  Hieracium albiflorum Beecher Crampton 1955-6-8 2825 Sonoma 7 miles northwest of Calistoga. Comment
  UC39803  Hierochloe occidentalis J. Burtt Davy 1896-7-21 Sonoma near Duncan's Mills Comment
  UC866224  Hoita macrostachya Lewis S. Rose 1933-9-3 33358 Sonoma 2 mi w Petrified Forest Comment
  UCD105868  Hoita macrostachya Frederica Bowcutt 1994-6-24 1903 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek at seasonal creek crossing near trail head. 396 Comment
  NY11969  Hoita villosa A. A. Heller 1902-6-24 5761 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC227669  Holcus lanatus Peter Rubtzoff 1954-7-29 1605 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC280798  Holcus lanatus John H. Thomas 1976-6-16 18342 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC280797  Holcus lanatus Gordon H. True; Fred Ross 1969-10-19 5152 Sonoma Point Reyes Bird Observatory 3 mi. NW of Bolinas, Marin Co. at Arroyo Honda Comment
  UCD160121  Holodiscus discolor James A. Neilson Jr. 1973-6-3 2994 Sonoma Mayacmas Mountains. The Geysers. Site I. Geyser Canyon, ca. 1 mi N of Geysers Resort. (Coordinates estimated by label maker.) 853 Comment
  UCD38483  Holodiscus discolor Beecher Crampton 1955-6-17 2957 Sonoma 5 miles west of Cazadero, road to Fort Ross. Comment
  UC1587967  Hordeum brachyantherum subsp. brachyantherum M. Barkworth, D. Amme 1989-6-15 5173 Sonoma s end Bodega Head; s end Bodega Head Comment
  UC50658  Hordeum brachyantherum subsp. brachyantherum A. B. Leckenby 1896-6-9 Sonoma Petaluma Comment
  CAS-BOT-BC289540  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane Comment
  SEINET7067246  Hordeum brachyantherum subsp. californicum A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC282021  Hordeum murinum subsp. leporinum Peter Rubtzoff 1960-5-22 4400 Sonoma Laguna de Santa Rosa area E of Graton (between Occidental and Guerneville Rds) Comment
  CAS-BOT-BC282022  Hordeum murinum subsp. leporinum Peter Rubtzoff 1959-6-6 4100 Sonoma Willow Crane Marsh Comment
  HSC10197  Hordeum murinum subsp. leporinum S. N. Wiemeyer 1962-1-29 7 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  POM35453  Horkelia californica A. A. Heller 1902-6-27 5783 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC536170  Horkelia californica var. elata Milo S. Baker 1930-5-31 4150 b Sonoma Russian River east of Healdsburg above Buttes 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
  UCSB31800  Hosackia crassifolia Townsend, J. Sonoma East side Russian river about 1 mile south of Gerneyville 457 Comment
  SD88314  Hosackia gracilis Darley F. Howe 1972-5-4 Sonoma 6.0 miles east of Highway 1 on road to Annapolis. Comment
  UCD106021  Hosackia gracilis P. B. Kennedy 1915-5-28 s.n. Sonoma Northern part of county, Del Mar. Comment
  UC1084463  Hypericum concinnum G. Thomas Robbins 1937-6-5 227 Sonoma roadside near Graton (Vine Hill region); Vine Hill region Comment
  SEINET11991018  Hypericum concinnum W. Knight, Knight, I.; Raiche, R.; Edwards, S. 4761 Sonoma The Cedars, near Cazadero on Twitchell Ranch Comment
  UCD160833  Hypericum perforatum subsp. perforatum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3355 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC401325  Hypericum scouleri Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  CAS-BOT-BC316679  Hypochaeris glabra Peter Rubtzoff 1952-5-31 1101 Sonoma Upper Marsh Comment
  CAS-BOT-BC316686  Hypochaeris glabra Greg de Nevers 1987-4-25 8157 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  HSC13851  Iris douglasiana H. E. Parks, S. T. Parks 1930-5-9 619 Sonoma Head of Alexander Valley Comment
  SEINET12048687  Iris douglasiana F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -156 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  RSA135874  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17110 Sonoma 4.4 miles northwest from Mark West Springs, on road to Kellogg 107 Comment
  RSA48720  Iris fernaldii Lee W. Lenz 1949-5-3 14426 Sonoma About 1 mile from Petrified Forest on road to Calistoga. 610 Comment
  CDA131  Iris macrosiphon D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .28 Sonoma Cavedale Rd. Comment
  CHSC22983  Iris macrosiphon Robert A. Schlising; Et al 1962-3-31 2115 Sonoma Along Cavedale Road, NE of Agua Caliente. Comment
  SD56796  Iris macrosiphon Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  SDSU11754  Iris macrosiphon D. F. Howe 1963-5-23 3526 Sonoma 3.8 miles north of Cloverdale on #128 335 Comment
  RSA123134  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 miles north of Camp Meeker 91 Comment
  RSA66912  Iris missouriensis E. K. Balls, Lee W. Lenz 1951-5-3 16399 Sonoma Ca. 2 miles north of Highway 12 on road to Petrified Forest Comment
  RSA74316  Iris missouriensis Harry Goff 1935-4-25 s.n. Sonoma Goff Ranch, Kenwood. Comment
  RSA135851  Iris purdyi E. K. Balls, Lee W. Lenz 1951-5-10 16539 Sonoma 1.8 miles northwest of junction of Highway 101 and Highway 28, road to Yorkville Comment
  UC725363  Iris purdyi A. A. Heller 1940-5-10 15611 Sonoma w of Skagg's Springs (on the road to Stewart Point) Comment
  UCR254909  Isoetes Greg de Nevers 1997-5-30 11010 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC810525  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112409  Isolepis carinata Peter Rubtzoff 1955-4-23 1776 Sonoma Bennett Mtn Lake. Comment
  CAS-BOT-BC112566  Isolepis cernua Peter Rubtzoff 1960-6-9 4485 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  JEPS19982  Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Sea-bluffs just n Salmon Creek; n of Salmon Creek Comment
  RSA298528  Isolepis cernua Robert A. Norris, John L. Inase, Allen Nakagawa, Willie J. Roberts, Michael Kurtz, Nelson R. Powers 1982-8-8 4434 Sonoma Sonoma State Beach, near Goat Rock Picnic Area, across mouth of Russian River from Jenner. Comment
  CAS-BOT-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
  UCD159439  Jaumea carnosa D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 196 Sonoma Beach (cove) near Bodega Marine Lab. Numerous. Rocky. 2 Comment
  CAS-BOT-BC340231  Jaumea carnosa J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma 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
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  UCD141323  Juncus balticus subsp. ater Frederica Bowcutt 1997-7-18 2182 b Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  CAS-BOT-BC164032  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6224 Sonoma Sonoma: Five miles north of Sears Point Comment
  CAS-BOT-BC173567  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing Comment
  POM111209  Juncus bolanderi Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UC842252  Juncus bolanderi Marcus E. Jones, A. M. 1882-7-17 3523 Sonoma Duncan's Mills Comment
  UCD141316  Juncus bolanderi Mary M. Hektner 1976-8-26 265 Sonoma Unit 28 Owner;s Map, Sea Ranch, near State Highway 1. Comment
  SEINET7042682  Juncus bufonius A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UCD141366  Juncus bufonius Frederica Bowcutt 1994-5-21 1840 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood and 18 air miles NW of Napa. On Hillside Trail 1 mile from junction with Grey Pine Trail. Comment
  CAS-BOT-BC173568  Juncus bufonius var. congestus Peter Rubtzoff; Nancy Harrison 1974-9-7 7860 Sonoma Hinebaugh Creek in Rohnert Park. West of Commerce Blvd. crossing Comment
  UC1026467  Juncus dubius Peter Rubtzoff 1951-7-8 395 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  SEINET3878596  Juncus effusus Kaye H. Thorne 1984-11-22 3667 Sonoma Sea Ranch, Black Point near Lodge.; 0 Comment
  UCD144658  Juncus effusus subsp. pacificus Frederica Bowcutt 1994-5-1 1781 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco,10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Campground S of Sonoma Creek about 150 yards. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UCD160827  Juncus effusus subsp. pacificus James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3436 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  RSA368221  Juncus effusus subsp. pacificus Christopher Davidson 1977-6-20 6025 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  UCD166110  Juncus hemiendytus var. hemiendytus Peter Rubtzoff 1972-4-23 6733 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UCR280132  Juncus hesperius Peter Rubtzoff 1970-9-3 6375 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC173634  Juncus kelloggii Peter Rubtzoff 1972-4-23 6732 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC290574  Juncus lescurii Peter Rubtzoff 1955-8-20 2080 Sonoma Bodega Harbor Marsh. Comment
  UCD142923  Juncus tenuis R. Tofsrud 1947-5-4 s.n. Sonoma Parker Hill near Santa Rosa. Comment
  RSA126570  Juncus xiphioides H. S. Yates 1936-5-16 5596 Sonoma 2 miles SE of Forestville 30 Comment
  RSA0022380  Kickxia elatine Peter Rubtzoff 1970-9-8 6381 Sonoma Marsh on River Road, ca. 3 mi west of Fulton. Comment
  UC1011011  Koeleria macrantha Virginia Bufford 1936-5-20 334 Sonoma Kellogg-Mark West Rd 3 mi from Kellogg Comment
  UCD160309  Koeleria macrantha James A. Neilson Jr. 1975-5-23 3218 Sonoma Truit Creek on Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC502599  Kopsiopsis strobilacea Greg de Nevers 1991-7-20 9759 Sonoma Mt. St. Helena 1310 Comment
  RSA0065154  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  CAS-BOT-BC340482  Lactuca saligna W. Knight; I. Knight 1984-9-26 5286 Sonoma 5.9 mi. up Cavedale Road Comment
  UC1299463  Lactuca saligna Freed W. Hoffman 1946-8-23 797 Sonoma Comment
  UC89191  Lagophylla minor T. Brandegee Sonoma Mt. St. Helena Comment
  CAS-BOT-BC274320  Lagurus ovatus John H. Thomas 1976-6-15 18228 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SEINET190913 Image available Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Point. Comment
  UCD36536  Lamarckia aurea Beecher Crampton 1954-4-26 1793 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  JEPS86320  Lasthenia burkei Jack and Betty Guggolz 1988-4-17 915 Sonoma 400 m n San Miguel Road (200 m e of Franciscan Road) Comment
  CDA11328  Lasthenia californica G. F. Hrusa 1995-4-2 12038 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  CAS-BOT-BC346333  Lasthenia californica G. DeNevers 1982-4-18 1945 Sonoma Pepperwood Ranch. NW corner of Hansel's Property Comment
  UC579278  Lasthenia californica subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma near Bodega 60 Comment
  UCD161350  Lasthenia californica subsp. californica James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3704 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/4 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates and location estimated by label maker.) Comment
  UCD33659  Lasthenia californica subsp. macrantha Beecher Crampton 1971-6-6 8720 Sonoma Carmet, Sonoma Coast State Park. Comment
  SEINET11807292  Lasthenia chrysostoma F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -231 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC355523  Lasthenia glaberrima Peter Rubtzoff 1963-6-6 5166 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC370854  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC370894  Lasthenia minor Alice Eastwood 1915-6-29 4837 Sonoma Bodega Point Comment
  CDA34802  Lathyrus angulatus Peter Warner 2010-5-6 146 Sonoma Annadel State Park, E side of Lake Ilsanjo at picnic tables, near Richardson Trail. Comment
  UCD106203  Lathyrus cicera Botany 102 Students 1993-4-17 42 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. SE of Red Mountain about 1 air mile. Near group campground. 365 Comment
  POM161246  Lathyrus littoralis Rimo Bacigalupi 1928-6-18 1897 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  UCR141954  Lathyrus sphaericus Beecher Crampton 1966-5-10 7723 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  CDA11333  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma North Coast Biodiversity Arena; Franz Valley Rd. approx 3 m. W of Knights Valley intersection with Hwy. 128. Comment
  UCD106467  Lathyrus vestitus Frederica Bowcutt 1984-6-23 441 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. Along bluff trail north of Gerstle Cove about 1/2 mile. 15 Comment
  UCD38479  Lathyrus vestitus Beecher Crampton 1955-6-17 2974 Sonoma State Hwy. 12, 1 mile east of Duncan Mills. Comment
  UC15380  Lathyrus vestitus var. vestitus unknown 1862-4-1 966 Sonoma near Sonoma Comment
Read comments Jan 20 2011
  UC480601  Lathyrus vestitus var. vestitus Carl Meyer 1928-3-3 309 Sonoma Santa Rosa Comment
  UCD151309  Lathyrus vestitus var. vestitus James A. Neilson Jr. 1974-4-30 2722 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) 441 Comment
  UCR244751  Layia Peter Rubtzoff 1969-6-15 6085 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  CAS-BOT-BC323260  Layia chrysanthemoides Thomas W. Nelson; Jane P. Nelson 1980-5-3 5125 Sonoma Along Roberts Rd ca 100 m past bridge over Copeland Creek, E of Rhonert Park 60 Comment
  UCR279871  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  CAS-BOT-BC379625  Layia platyglossa John Thomas Howell 1930-7-27 5405 Sonoma 1 mile north of Fort Ross Comment
  UC185672  Layia platyglossa Katharine Brandegee 1905-6-1 Sonoma Bodega Comment
  UC1084446  Ledum glandulosum G. Thomas Robbins 1937-5-23 203 Sonoma about 10 mi w of Santa Rosa (on Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  UC73547  Ledum glandulosum Milo S. Baker 1898-4-5 Sonoma between Sea View and Stewards Point Comment
  RSA106768  Ledum glandulosum subsp. columbianum L. S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  RSA227250  Leersia oryzoides Peter Rubtzoff 1958-7-19 3762 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA785223  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  UCR254446  Lemna minima Peter Rubtzoff 1961-10-17 4769 Sonoma Cunningham Marsh [near 1460 Big Cedar Lane, Sebastapol, CA] 38 Comment
  UCR256275  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh 6 Comment
  CAS-BOT-BC534883  Lemna valdiviana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5847 Sonoma Llano Road near sewage disiposal plant near bridge on water of Laguna de Santa Rosa Comment
  RSA0065913  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC339169  Leontodon saxatilis subsp. saxatilis John Thomas Howell 1945-7-18 21323 Sonoma Pitkin Marsh Comment
  SEINET6165742 Image available Lepechinia calycina Unknown 1984-6-1 s.n. Sonoma Occidental Sonoma county Ca, Originally from Santa Barbara Comment
  CAS-BOT-BC173651  Lepidium Peter Rubtzoff 1964-6-24 5377 Sonoma Coleman Marsh, along Salmon Creek Comment
  CAS-BOT-BC173645  Lepidium Peter Rubtzoff 1962-8-3 5032 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC89149  Lepidium didymum Alice Eastwood 1915-6-29 4866 Sonoma Bodega Point. Comment
  CAS-BOT-BC12657  Lepidium nitidum G. DeNevers 1982-3-28 1936 Sonoma Pepperwood Ranch. In the meadow by the Pepperwood barn. Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  CAS-BOT-BC12971  Lepidium strictum Catherine Best 1981-4-4 s.n. Sonoma Watson School, Bodega Highway about 3 miles from Occidental. Comment
  RSA0022357  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  CAS-BOT-BC273995  Leptochloa fusca subsp. fascicularis Catherine Best 1987-7-2 1291 Sonoma At the intersection of Todd and Llano Rds. Comment
  RSA122133  Leptosiphon androsaceus E. Armstrong 1934-3-26 936 Sonoma 4 miles N. of Camp Meeker 61 Comment
  SEINET14160629  Leptosiphon androsaceus H. S. Yates 1934-1 3847 Sonoma 2 miles south of Mark West. Comment
  UCD15831  Leptosiphon bicolor J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  CAS-BOT-BC226700  Leptosiphon jepsonii G. DeNevers 1981-4-8 664 Sonoma Pepperwood Ranch. Pippindale Farm. Hansel's cow pasture, at trail over her driveway Comment
  RSA3279  Leptosiphon latisectus D. D. Keck 1931-4-4 1100 Sonoma Santa Rosa Creek Canyon 225 Comment
  UC23774  Leptosiphon parviflorus W. H. Brewer 1862-4-17 983 Sonoma Sonoma Comment
  UCSB5162  Leptosiphon parviflorus Robbins, G. 1937-6-6 Sonoma 2 to 3 miles east of Bodega Bay Comment
  JEPS86801  Lessingia arachnoidea Jack and Betty Guggolz 1991-7-20 1212 Sonoma about 2 1/4 mi nw of Camp Meeker 182 Comment
  JEPS87254  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1336 Sonoma about 1 3/4 mi nw of Camp Meeker 146 Comment
  NY180565  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  RSA0001374  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  CAS-BOT-BC123031  Lessingia ramulosa Amos Arthur Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC342078  Leucanthemum maximum Mary P. Wells 1982-8-21 143 Sonoma Miller Cr., Salt Point St. Pk. Comment
  UCR255875  Leucanthemum vulgare Greg de Nevers 1994-4-1 10517 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC451693  Lilaea scilloides Peter Rubtzoff 1951-8-5 606 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC130696  Lilium occidentale Peter Rubtzoff 1951-7-22 538 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130829  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  UCD139747  Lilium pardalinum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-27 78 A Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SFV2129  Limnanthes douglasii C. Bracker 1961-4-29 14 Sonoma North Coast Ranges 4 miles south of Occidental. 75 Comment
  UCD116498  Limnanthes douglasii Charles B. Heiser Jr. 1947-3-29 1893 Sonoma outskirts of Sonoma. Comment
  UCD116509  Limnanthes douglasii W. L. Jepson 1914-4-11 5804 Sonoma Sonoma Valley. 35 Comment
  UC635574  Limnanthes douglasii subsp. douglasii A. E. Borell 1928-4-13 139 Sonoma Petaluma Comment
  RSA620404  Limnanthes douglasii subsp. douglasii Greg de Nevers 1993-4-15 10373 Sonoma Healdsburg. Healdsburg Ave., open field opposite the lumber mill. 61 Comment
  RSA79068  Limnanthes douglasii subsp. douglasii E. K. Balls, Lee W. Lenz 1952-5-8 17115 Sonoma 0.1 mi. from Kellogg, jct. of road from Mark West Springs with Hwy. 29. 61 Comment
  UC971845  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1949-4-11 1249 Sonoma w side of Hwy 37 2.4 mi n junction with Highway 48; Sears Point Comment
  CAS-BOT-BC45951  Limnanthes vinculans John Thomas Howell 1947-6-5 23233 Sonoma Cunningham Marsh Comment
  JEPS102969  Limnanthes vinculans Ann Howald 1994-4-19 1809 Sonoma Knights Valley, Bavarian Lion Ranch Comment
  JEPS102970  Limnanthes vinculans Ann Howald 1994-4-19 1809 Sonoma Knights Valley, Bavarian Lion Ranch Comment
  RSA215942  Limnanthes vinculans Peter Rubtzoff 1958-5-17 s.n. Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd.) Comment
  RSA534571  Limnanthes vinculans Peter Rubtzoff, N. Harrison 1978-5-20 9179 Sonoma Cunningham Marsh Area. Open, very wet ground on north side of Blucher Creek Valley Comment
  RSA800898  Limosella acaulis Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC376438  Linanthus Greg de Nevers 1998-5-26 11257 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UC30171  Linanthus acicularis H. N. Bolander 1864-1 3853 Sonoma Russian River Bed Comment
  SEINET12329973  Linanthus androsaceus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -195 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UC1763995  Linanthus jepsonii Douglas W. Schemske 1993-4-30 1 D Sonoma Pepperwood Ranch Natural Preserve Comment
  UC614696  Linanthus parviflorus L. Constance 1938-4-24 2156 Sonoma 8 mi s Fort Ross; Russian Gulch 121 Comment
  RSA800891  Lindernia dubia Peter Rubtzoff 2013-2-15 8357 Sonoma Bennet Mountain Lake, northern lakeshore. Comment
  POM316764  Linum angustifolium Patricia Wilder 1965-6-10 3635 Sonoma 1.0 mile N of Jenner on Calif. State Hwy 1. North Coast Mt. Range. 23 Comment
  CAS-BOT-BC36014  Lithocarpus densiflorus var. densiflorus H. E. McMinn 1922-6-7 191 Sonoma Redwoods near Monte Rio Comment
  CAS-BOT-BC430799  Lithophragma affine Alice Eastwood 1921-5-8 10465 Sonoma Petaluma Comment
  JEPS46181  Lithophragma affine Eleanor Armstrong 1933-4-15 734 Sonoma Bodega Hill 18 Comment
  UC75730  Lithophragma affine Miss M. Alice King May, 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UCD102721  Lithophragma heterophyllum Frederica Bowcutt 1994-5-1 1759 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; 2.5 air miles NE of Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. 198 Comment
  CAS-BOT-BC376405  Livistona Greg de Nevers 1997-5-27 11009 Sonoma Santa Rosa, Peterson Lane. 45 Comment
  UC581119  Logfia filaginoides H. L. Mason 1934-4-28 8092 Sonoma Jensen's Ranch Dohrmann Creek Comment
  SEINET11690152  Lolium multiflorum W. Knight, Knight, I.; Howell, J. T. 1987-1 6280 Sonoma Todd Road Preserve, near corner of Llano Road 24 Comment
  CAS-BOT-BC368074  Lomatium caruifolium Greg de Nevers 1998-6-10 11275 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  SD58303  Lomatium caruifolium W. L. Jepson 1921-6-2 9297 Sonoma Windsor. 49 Comment
  UC1046220  Lomatium dasycarpum subsp. dasycarpum Lincoln Constance 1953-4-4 3448 Sonoma 1 mi. s.w. Petrified Forest (Mark West rd.) Comment
  JEPS17101  Lomatium macrocarpum W. L. Jepson 1911-4-30 4184 Sonoma Sonoma Valley Comment
  CAS-BOT-BC361356  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  UC1123059  Lomatium utriculatum H. S. Yates 1934-4-21 3794 Sonoma near Bodgea; Sebastopol Quad. Comment
  SD241724  Lomatium utriculatum Dean Wm. Taylor 1994-5-4 14213 Sonoma Ca. 2 miles SW of Occidental; at junction of Bittner Road and Joy Road (Camp Meeker 7.5'Q) 249 Comment
  CDA31357  Lonicera hispidula var. vacillans D. G. Kelch 2010-5-3 10 .206 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS12837  Lonicera hispidula var. vacillans M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville; Russian River Comment
  UC912444  Lonicera hispidula var. vacillans Herbert L. Mason 1934-4-28 8080 Sonoma Jensen's Ranch Comment
  SJSU11557  Lonicera involucrata T. A. Wayne 1962-4-7 Sonoma between Bodega Bay & Salmon Cr Comment
  CAS-BOT-BC244000  Lonicera involucrata var. ledebourii Saichi Kawahara 1969-3-31 542 Sonoma 50 yards west of Jenner Comment
  CAS-BOT-BC244009  Lonicera involucrata var. ledebourii Peter Rubtzoff 1964-6-3 5345 Sonoma Bodega Bay Marsh Comment
  UC1321327  Lotus R. F. Hoover 1964-9-8 9289 Sonoma Timber Cove Comment
  CAS-BOT-BC294706  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC540843  Lotus Peter Rubtzoff 1974-5-18 7423 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llany Road Comment
  RSA0020336  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park, creek bed west of Commerce Blvd. crossing. Comment
  UC618378  Lotus angustissimus Milo S. Baker May 1935 8067 Sonoma n of Wrights Beach (Coast Highway) 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
  POM232043  Lotus angustissimus Roxana S. Ferris 1937-8-19 9379 Sonoma 1.5 mi. north of Fort Ross on State Highway 1. Comment
Read comments Dec 13 2015
  UC15585  Lotus formosissimus Harley P. Chandler 1900-5-25 674 Sonoma Bodega Comment
  SEINET3131486  Lotus grandiflorus var. grandiflorus M. S. Baker sn Sonoma Near Occidental Comment
  UC69629  Lotus humistratus J. Burtt Davy 1896-3-13 1655 Sonoma Duncan's Mills Comment
  UCR44916  Lotus humistratus L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  SEINET12165193  Lotus humistratus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -182 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  RSA177971  Lotus micranthus Robert F. Thorne 1965-4-20 34349 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UCR275251  Lotus purshianus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente 38 Comment
  UC862208  Lotus purshianus var. purshianus A. A. Heller 1938-8-11 15321 Sonoma Anderson Valley Comment
  UC80761  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hoods Peak Comment
  CAS-BOT-BC290614  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCD66029  Ludwigia hexapetala B. J. Grewell 2006-11-17 06- 96 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Blucher Creek confluence, CA-Dept Fish and Game's Laguna Wildlife Area, downstream of Todd Rd Bridge s. of Sebastopol. 22 Comment
  UCD66046  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 55 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  UCD78331  Ludwigia hexapetala B. J. Grewell 2005-11-21 05- 45 -LU Sonoma Local tributary to Mark West Creek, n. side River Road, Santa Rosa across rd. from Martinelli Winery. Within Laguna de Santa Rosa sub-basin of the Russian River Watershed. 28 Comment
Read comments Aug 10 2011
  CAS-BOT-BC201287  Lupinus Charles Piper Smith 1947-6-19 47526 Sonoma Mark West Road near Petrified Forest Comment
  CAS-BOT-BC201288  Lupinus Milo S. Baker 1928-6-28 3193 Sonoma Pitkin's Farm upland -Vine HIll Dist. Comment
  HSC14956  Lupinus albifrons S. N. Wiemeyer 1962-4-13 11 Sonoma 2.1 mi. N of jct. of Calistoga and Hwy. 12 274 Comment
  SEINET10488401  Lupinus albifrons Charles Piper Smith 1948-4-27 Smith 48163 Sonoma Junction melitta-mark west-petrified forest roads. Petrified forest, junction Comment
  SD130430  Lupinus albifrons var. albifrons F. Almeda, G. DeNevers 1981-4-28 4912 Sonoma Pepperwood Ranch: vicinity of the Bechtel cabin in and about serpentine chaparral. Comment
  LA205175  Lupinus arboreus J. A. Ewan; 1935-5-12 9231 Sonoma 1.5 mi. W of Bodega on Bodega Bay road Comment
  UCD106617  Lupinus arboreus Eric Davidson 1971-6-29 335 Sonoma next to ocean's edge; Salt Point State Park, north of Fort Ross. Comment
  HSC14798  Lupinus bicolor R. Spellenberg, D. Sutherland, , A. Sylvester 1966-3-26 1338 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Rd. Comment
  JEPS128290  Lupinus bicolor Roger Raiche 2002-4-12 003 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  HSC14968  Lupinus densiflorus var. palustris H. E. Parks, S. T. Parks 1930-5-9 600 Sonoma West end of Knights Valley 152 Comment
  CAS-BOT-BC8358  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley (label reads Anderson Valley; annotation corrects this to Alexander Valley) Comment
  SEINET12164395  Lupinus latifolius F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -084 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  SEINET12165889  Lupinus micranthus F. H. Utech 1988-1 88 -196 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh and adjoining meadows 10 Comment
  UC865134  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15091 Sonoma w of Petaluma near Two Rocks; near Two Rocks Comment
  JEPS86805  Lupinus microcarpus var. microcarpus Jack and Betty Guggolz 1991-7-7 1207 Sonoma one mi nnw Camp Meeker (at head of a reservoir on Grub Creek); Grub Creek 91 Comment
  UC725327  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  UC725823  Lupinus microcarpus var. microcarpus A. A. Heller 1940-6-12 15723 Sonoma just w Two Rocks; w of Two Rocks Comment
  SD88507  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-26 Sonoma North of Jenner Comment
  UCD108973  Lupinus nanus Mary M. Hektner 1975-4-27 185 Sonoma next to parking lot; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  HSC14850  Lupinus nanus F. Demostene 1966-4-4 16 Sonoma 2 mi. E of Healdsburg Comment
  OBI48720  Lupinus nanus Joseph Andorfer Ewan 1935-5-13 9253 Sonoma Wright School on the Sebastopol rd Comment
  JEPS78238  Lupinus sericatus Charley Patterson 1979-6-22 Sonoma Socrates Mine Rd. (Whispering Pines Quad.) lower left corner of quad. on bend in road just nw 3066 BM (ca 3 air mi sw of Whispering Pines); Whispering Pines Quad, Lake-Sonoma County Line Comment
  JEPS83804  Lupinus sericatus Roger Raiche 1984-3-25 40074 Sonoma from Kelly Road near Rockpile Road sw Cloverdale ((about 11 1/2 mi n of its origin (Rockpile) at intersection with Skaggs Springs-Stewarts Point Road)); sw of Cloverdale Comment
  UC84431  Lupinus sericatus Katharine Brandegee April 1890 Sonoma Mt. St. Helena Comment
  SEINET13184148 Image available Lupinus succulentus A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  JEPS85895  Lupinus tidestromii Jack and Betty Guggolz 1991-5-27 1153 Sonoma coastal dunes between the mouth of the Russian River and Goat Rock; btw the mouth of the Russian River and Goat Rock 6 Comment
  CDA27599  Lupinus variicolor T. C. Fuller 1966-6-2 14586 Sonoma Road to Petaluma, 1 mile east of Valley Ford. 0 Comment
  UCD166730  Luzula Peter Rubtzoff 1962-4-11 4793 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CDA12825  Luzula comosa G. F. Hrusa, R. Gross 1996-3-8 12658 Sonoma North Coast Biodiversity Arena; Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  CAS-BOT-BC436743  Luzula comosa var. comosa Peter Rubtzoff 1951-6-7 131 Sonoma Pitkin Marsh. near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC441402  Luzula macrantha A. A. Heller; H. E. Brown 1902-3-26 5156 Sonoma Santa Rosa Creek Comment
  UCD160141  Luzula subsessilis James A. Neilson Jr. 1974-3-27 3017 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  CAS-BOT-BC540803  Lythrum Peter Rubtzoff 1971-6-30 6583 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CLARK-A1528-3216  Lythrum hyssopifolia John C. Roos 1938-6-19 Sonoma Novato Comment
  UC221764  Lythrum hyssopifolia Dr. Edward Palmer 1892-6-27 2399 Sonoma Petaluma Comment
  CAS-BOT-BC166732  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166731  Madia Peter Rubtzoff 1964-5-31 s.n. Sonoma Along Russian River at Fitch Mtn. Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC173556  Madia Peter Rubtzoff 1975-8-28 8361 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC342617  Madia anomala Alice Eastwood; John Thomas Howell 1938-5-15 5509 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC342618  Madia anomala Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma Comment
  CAS-BOT-BC342621  Madia anomala G. DeNevers 1981-5-15 1213 Sonoma Pepperwood Ranch. Along road to Hansel's Lake (from the bottom of her driveway) Comment
  CAS-BOT-BC342622  Madia anomala G. DeNevers 1981-5-7 996 Sonoma Pepperwood Ranch. Along the Studio Road Comment
  CAS-BOT-BC344040  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental 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
  CAS-BOT-BC344549  Madia exigua Peter Rubtzoff 1952-6-10 1207 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UC1301040  Madia exigua Helen K. Sharsmith 1963-5-25 5476 Sonoma road from Freestone to Occidental 121 Comment
  UCD136442  Madia exigua M. Rei Scampavia Evangelista 2012-5-20 12 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  SEINET11807610  Madia exigua F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -230 Sonoma end of Stoetz Road 310 Comment
  CAS-BOT-BC343446  Madia gracilis Peter Rubtzoff 1952-6-3 1171 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC343450  Madia gracilis Alice Eastwood; John Thomas Howell 1938-5-15 5509 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC343459  Madia gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  UCR244755  Madia gracilis Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh 79 Comment
  HSC100964  Madia gracilis Peter Warner 2011-5-28 203 Sonoma Cresta Ranch (Sonoma Co. Ag. Preservation and Open Space Dist. Property; off Mark West Springs Rd. at Mark West Lodge), upslope S from Cresta Rd., near western property boundary. 0 Comment
  SEINET11807611  Madia madioides F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -164 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 330 Comment
  SEINET11808373  Madia madioides F. H. Utech 1986-1 86 -117 Sonoma ca 6 mi NE on Cavedale Road from junction with CA 12 600 Comment
  CAS-BOT-BC157678  Madia sativa Peter Rubtzoff 1962-8-24 5066 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC345215  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma Near Kenwood Comment
  CAS-BOT-BC166725  Madia sativa Peter Rubtzoff 1962-10-9 s.n. Sonoma Goat Rock area of Sonoma Coast State Park, 1.6 miles from Hwy. 1. Comment
  UC990650  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma electric RR station between Santa Rosa and Sebastopol; Leddy Comment
  UCD134337  Madia sativa Mary M. Hektner; Cathy Hendel 1974-7-29 182 Sonoma Shell Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SBBG1060  Maianthemum racemosum H. and M. Dearing 1933-5-16 260 Sonoma Cloverdale, Redwood Hwy Comment
  CAS-BOT-BC511493  Maianthemum stellatum Greg de Nevers 1981-4-18 737 Sonoma Hot roadside at cnfluence of Mark west Creek with Leslie Creek, Pepperwood Ranch Comment
  SEINET7067226  Malacothrix californica A. G. Vestal 1947-5-12 s.n. Sonoma Stinson Beach [presently Stenson Beach State Park]. Coordinate datum: NAD27. UTM Zone 10, 531872mE, 4193954mN. Comment
  CAS-BOT-BC366947  Malacothrix floccifera Greg de Nevers 1997-4-16 10944 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC164410  Marah Peter Rubtzoff 1957-5-4 3312 Sonoma Duncans Mills Marsh area. Comment
  SEINET11807291  Matricaria matricarioides F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -184 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 630 Comment
  UCD165325  Medicago Peter Rubtzoff 1973-8-21 7247 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  RSA54042  Medicago arabica J. T. Howell 1948-4-18 24212 Sonoma Hills east of Agua Caliente. Comment
  SEINET10926810  Melica californica A. Arthur Heller 1902-4-4 Heller 5315 Sonoma Hills near Santa Rosa. Comment
  UCD87213  Melica californica R. Tofsrud 1941-4-1 292 Sonoma Between County Hosp. and S.R. Comment
  UCD87214  Melica californica R. Tofsrud 1941-4-1 295 Sonoma S.R. Creek Cy. Comment
  UCD87345  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  UC1132273  Melica harfordii H. S. Yates 1936-5-16 5615 Sonoma 2 mi nw Mountain View School; Sebastopol Quad. 76 Comment
  UC1132277  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  UCD87388  Melica harfordii B. Crampton 1955-6-17 2927 Sonoma 1.6 miles west of Forestville. Comment
  UCD87517  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  SEINET191212 Image available Melica torreyana A. A. Beetle 1941-4-27 1726 Sonoma North side of Mt St Helena; rocky slope above St Helena Creek Comment
  UCD88858  Melica torreyana Beecher Crampton 1959-6-16 5383 Sonoma 1 mile E of Occidental. Comment
  RSA800066  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 mi north of Sears Point. Comment
  CAS-BOT-BC164387  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guerneville Road). Comment
  UCR244604  Mentha Peter Rubtzoff 1960-9-17 4571 Sonoma Laguna de Santa Rosa near Trenton [Rd.] (south of Woolsey Road) Comment
  CAS-BOT-BC164083  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  RSA785216  Mentha Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA785673  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, E of Graton (between Occidental and Guerneville Road). Comment
  JEPS117114  Mentha aquatica Peter Warner 2010-7-29 173 Sonoma Lower Pitkin Marsh, along primary drainage channel, near NE property boundary. Comment
  CAS-BOT-BC164388  Mentha pulegium Peter Rubtzoff 1958-8-9 3830 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC164098  Mentha pulegium Peter Rubtzoff 1958-8-31 3950 Sonoma Atascadero Creek Marsh. Comment
  RSA83444  Mentha pulegium F. W. Peirson 1925-8-8 6345 Sonoma 5 miles south of Santa Rosa Comment
  RSA94261  Mentha pulegium Peter Rubtzoff 1951-8-5 610 Sonoma Northwestern; outer North Coast ranges region Margin of creek at Hwy 12, SE of Forestville Comment
  SEINET12330323  Mentha pulegium W. Knight, Knight, I. 1984-1 5429 Sonoma Willow Creek Road 61 Comment
  RSA785148  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  RSA784401  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  RSA784551  Mentha spicata Peter Rubtzoff 1968-8-24 5932 Sonoma Upper Salmon Creek Marsh. Comment
  RSA785145  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  UCD148372  Mentha spicata Peter Rubtzoff 1955-10-12 2166 Sonoma Duncans Mills Marsh. Comment
  UC26555  Mertensia F. T. Bioletti 1893-4-24 Sonoma Los Guilucos Valley Comment
  UCD151001  Micropus californicus D. S. Park; S. Nicole 2010-5-11 81 Sonoma California Route 1, near Bodega Bay. Comment
  CAS-BOT-BC348633  Micropus californicus var. californicus Ira L. Wiggins 1949-4-30 12069 Sonoma 4 miles west of Calistoga, just west of county line Comment
  CAS-BOT-BC348733  Microseris bigelovii John H. Thomas 1976-6-16 18255 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC322707  Microseris laciniata John Thomas Howell 1937-6-6 13013 Sonoma Sebastapol Comment
  CAS-BOT-BC322708  Microseris laciniata John Thomas Howell 1937-7-4 13081 Sonoma 4 miles west of Santa Rosa Comment
  CAS-BOT-BC322748  Microseris paludosa Ella Dales Cantelow 1941-4-18 3508 Sonoma 2 miles north of Windsor 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-BC311871  Mimulus Peter Rubtzoff 1973-7-24 7200 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC311872  Mimulus Peter Rubtzoff 1976-6-18 8656 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC320531  Mimulus Peter Rubtzoff 1970-6-21 6271 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA177937  Mimulus aurantiacus var. aurantiacus Robert F. Thorne 1965-4-20 34335 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC1012322  Mimulus aurantiacus var. aurantiacus F. W. Pennell and H. L. Mason 1940-5-21 25492 Sonoma 12 mi e Healdsburg (Route 28); Knights Valley, Maacona Creek 121 Comment
  CDA15996  Mimulus cardinalis G. F. Hrusa, M. Gillogly 2000-7-26 15676 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Comment
  UCD122502  Mimulus cardinalis Frederica Bowcutt 1994-7-5 1935 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground, just N of bridge to campfire center. 381 Comment
  RSA535770  Mimulus congdonii David M. Thompson 1989-4-4 994 Sonoma Ca. 3 air mi E of Glen Ellen. 3.9 mi NE of Hwy 12 along Cavedale Road; W side of Road, 5 ft S of entrance to 3845-3850-3860 private driveway. 183 Comment
  RSA0040387  Mimulus guttatus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  RSA178001  Mimulus guttatus Robert F. Thorne 1965-4-19 34286 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCR248877  Mimulus guttatus Peter Rubtzoff 1963-6-18 5173 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  UC1239049  Mimulus microphyllus Freed W. Hoffman 1947-3-9 814 Sonoma 2 mi e Occidental; North Coast Ranges Comment
  UC26981  Mimulus microphyllus State Survey 974 Sonoma Sonoma Comment
  UCD122689  Mimulus microphyllus Janet McIntosh 1966-4-27 21 Sonoma 8 miles east of Petaluma, State Highway 116. 76 Comment
  NY90752  Mimulus nasutus H. T. Edwards 04 1877 s.n. Sonoma Knights Valley Comment
  UCD39138  Mimulus pilosus Beecher Crampton 1964-8-18 7145 Sonoma N.E. Sonoma County: 'The Geysers', Big Sulphur Creek. Comment
  UCD98257  Minuartia californica G. F. Hrusa 1995-4-2 12037 Sonoma along Franz Valley School Road, approx. 1 mile NW of Napa/Sonoma county line. 250 Comment
  CAS-BOT-BC388897  Minuartia douglasii Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  JEPS18124  Minuartia douglasii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann May 1956 5674 Sonoma The Butcher Knife (R12W) Big Austin Creek (at base, along secondary road following creek) 182 Comment
  CAS-BOT-BC388894  Minuartia douglasii G. DeNevers 1982-5-2 1975 Sonoma Pepperwood Ranch. On banks of Hansel's Lake Comment
  RSA0010757  Mollugo verticillata Peter Rubtzoff 1961-8-25 4714 Sonoma Forets Hills, east of Guerneville. Open, moist bottom of Russian River. Comment
  CAS-BOT-BC220388  Monardella purpurea R. F. Hoover 1965-6-29 9474 Sonoma North of summit on Harrison Grade road near Occidental Comment
  UC2035939  Monardella purpurea Robert F. Hoover 1938-6-14 3609 Sonoma 3 miles west of Graton on road to Occidental Comment
  UC761791  Monardella purpurea R. F. Hoover 1942-7-13 5915 Sonoma 3 mi s Monte Rio Comment
  CAS-BOT-BC220387  Monardella purpurea Milo S. Baker 1946-7-4 11524 Sonoma Harrison Grade Rd. ca 2 mi N.E. of Occidental Comment
  CHSC67996  Monardella villosa Jack Guggolz; Betty Guggolz 1992-6-13 1313 Sonoma West side of Black Mountain, south of Geyser Peak. 597 Comment
  CAS-BOT-BC314205  Monardella villosa subsp. subserrata D. E. Breedlove 1980-6-27 44772 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC314163  Monardella villosa subsp. villosa John Thomas Howell 1930-6-8 5283 Sonoma Rocky slope overlooking the ocean, 8.5 miles N of Bodega Bay. Comment
  JEPS62414  Monardella villosa subsp. villosa M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 221 Sonoma Between Guerneville and Monte Rio; Russian River Comment
  SEINET3822997 Image available Monardella villosa subsp. villosa C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  CAS-BOT-BC349591  Monolopia major J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC166932  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC444986  Montia fontana Alice Eastwood 1921-4-24 10383 Sonoma Santa Rosa Comment
  UCD144662  Montia fontana Frederica Bowcutt; Jolie Hendricks, Jeff Kennedy 1994-5-1 1792 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence of Rattlesnake Creek, meadow in center of campground. 350 Comment
  UC1713747  Montia parvifolia Milo S. Baker 1902-7-5 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC515644  Muilla maritima Rimo Bacigalupi 1926-3-27 1252 Sonoma Meadow opposite Myrtledale Geyser 1 1/2 mi north of Calistoga Comment
  JEPS23885  Myosotis discolor G. Thomas Robbins 1937-5-23 198 Sonoma ca. 10 mi. w. Santa Rosa (marsh on Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  RSA227203  Myosotis discolor Peter Rubtzoff 1962-6-19 4917 Sonoma Occidental Marsh. Comment
  UCD119516  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Marsh, Pitkin Ranch. Comment
  RSA26145  Myrica californica E. K. Balls, P. C. Everett 1953-10-9 18604 Sonoma 0.2 mi. NW of Ocean cove, Hwy 1 between Fort Ross and Point Arena; 5 mi. NW of Fort Ross. 91 Comment
  UC672611  Myrica californica Herbert L. Mason 1928-7-11 4893 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC251166  Myriophyllum aquaticum Peter Rubtzoff 1963-7-6 5195 Sonoma Laguna de Santa Rosa area east of Cunningham. 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
  RSA800895  Myriophyllum hippuroides Peter Rubtzoff 1954-8-12 1699 Sonoma Bennett Mountain Lake. Comment
  UC2028423  Myriophyllum verticillatum Barbara Ertter 1988-11-5 8034 Sonoma Lake Sonoma ca 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge Comment
  CAS-BOT-BC260071  Nassella lepida John Thomas Howell; et al. 1981-5-14 53946 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC260072  Nassella lepida G. DeNevers 1981-6-8 1503 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  SEINET7067245  Nassella pulchra A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC260285  Nassella pulchra Milo S. Baker 1945-4-1 10892 Sonoma Above house at Maplewood ca 2 miles N of Kenwood 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
  SEINET12010247  Nasturtium officinale F. H. Utech 1988-5-21 88 -230 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  UC856857  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa Comment
  UCR265547  Navarretia intertexta Ann Howald, Christina Freeman 2015-6-1 3413 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail 362 Comment
  POM279099  Navarretia jepsonii Lyman Benson 1930-6-18 s.n. Sonoma South of Santa Rosa. 61 Comment
  CAS-BOT-BC230371  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1974-5-26 7466 Sonoma On Bennett Valley Road, 4.25 miles W of Glen Ellen Comment
  CAS-BOT-BC230372  Navarretia leucocephala subsp. bakeri Joseph Andorfer Ewan 1935-5-13 9249 Sonoma Along RR tracks, Wright School on Sebastopol road Comment
  JEPS70381  Navarretia leucocephala subsp. bakeri J. Ewan 1935-5-13 9249 Sonoma along RR. tracks Wright School (on Sebastopol road) Comment
  JEPS86340  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1988-5-4 926 Sonoma Rancho Llano de Santa Rosa; se corner of Finley and Wright Avenues Comment
  CAS-BOT-BC232686  Navarretia pubescens D. E. Breedlove 1980-6-28 44809 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CDA40114  Navarretia pubescens G. D. Barbe 1991-5-15 4412 c Sonoma Along ridge west of Annadel State Park boundary, Santa Rosa. Comment
  UCD48701  Navarretia squarrosa Beecher Crampton 1957-7-11 4313 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CDA38609  Navarretia squarrosa A. Smith & C. Morgan 2012-7-12 PDR# 1604317 Sonoma Vicinity of Annapolis. 0 Comment
  POM225971  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 miles N of Bodega. Comment
  UCD160847  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 b 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.) 716 Comment
  POM65317  Nemophila heterophylla Milo S. Baker 1898-1 692 Sonoma Santa Rosa. Comment
  HSC49363  Nemophila menziesii R. York 1979-4-8 201 Sonoma Along Hwy. 128 305 Comment
  UCD170754  Nemophila menziesii var. atomaria C. Benefield 1997-5-12 31 Sonoma Bodega Bay, in front of University of California Marina Laboratory. 24 Comment
  UCD120240  Nemophila menziesii var. atomaria Mary M. Hektner 1975-8-30 190 Sonoma Property of Oceanic Properties, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR265132  Nemophila menziesii var. menziesii Ann Howald 2015-4-1 3332 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  UC606948  Nemophila parviflora L. Constance 1938-4-24 2153 Sonoma 8 mi s Fort Ross; Russian Gulch, s of Fort Ros 121 Comment
  UC198885  Nepeta cataria V. King Chesnut Aug 1887 Sonoma Santa Rosa Comment
  CAS-BOT-BC157974  Nicotiana Peter Rubtzoff 1965-8-16 5605 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  UCD164977  Nicotiana acuminata var. multiflora Peter Rubtzoff 1974-8-3 7793 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  SACT001614  Notholcus lanatus M. Wiesendanger 1927-5-5 Sonoma Comment
  CAS-BOT-BC366855  Oemleria cerasiformis Greg de Nevers 1998-3-4 11138 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM89246  Oemleria cerasiformis Marcus E. Jones 1982-7-18 3578 Sonoma Duncan Mill Comment
Read comments Mar 22 2010
  UCR255673  Oemleria cerasiformis Greg de Nevers 1998-5-20 11255 Sonoma North Coast Range, Mark West Creek on Cresta Ranch Comment
  CDA38495  Oenanthe sarmentosa T. C. Fuller 1958-1-29 104 -58 Sonoma Triangle G Ranch, Sonoma Mtn., Petaluma. 0 Comment
  UCD15529  Oenothera cheiranthifolia Gregory J. Lowenberg 1988-4-16 22 Sonoma 100 m E. of Horshoe Cove, Bodega Head. 12 Comment
  CAS-BOT-BC361300  Olea europaea Greg de Nevers 1990-9-30 9682 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, by Double Culverts 457 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
  CDA36827  Onopordum illyricum Andrew Smith 2011-12-21 PDR# 1604230 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Rd., near Mark West Springs Rd. 0 Comment
  RSA402030A  Orthocarpus faucibarbatus L. S. Rose 1933-5-9 33158 Sonoma Bodega Bay. Comment
  POM210213  Orthocarpus faucibarbatus H. E. Parks 1930-5-9 s.n. Sonoma Knights Valley, Comment
  RSA34074  Orthocarpus faucibarbatus A. A. Heller 1940-4-22 15555 Sonoma At Windsor. Comment
  RSA144398  Orthocarpus lithospermoides Roxana S. Ferris, Laura Lorraine 1961-6-14 13549 Sonoma Junction of Occidental Road with Facendini Lane Comment
  RSA126138  Orthocarpus purpurascens Alice Eastwood 1915-6-29 4859 Sonoma Bodega Point. Comment
  CHSC26016  Oxalis oregana William Larkin 1961-3-28 Sonoma Rio Nido; along canyon road leading to cabins. 30 Comment
  UCR3592  Oxalis oregana Carolyn McNeill 1969-5-25 s.n. Sonoma Sebastopol, 0.75 mi. east of Coffee Lane 107 Comment
  SEINET12183579  Oxalis oregana F. H. Utech 1988-1 88 -199 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CDA34796  Oxalis pes-caprae Peter Warner 2010-3-29 123 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  JEPS17413  Packera H. L. Mason 1934-4-28 8060 Sonoma 2 or 3 mi w Healdsburg (headwaters of creek); Jensen Ranch, Dorman Creek Comment
  UCD160871  Packera greenei James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3422 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC227647  Panicum Peter Rubtzoff 1973-8-20 7232 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC227648  Panicum Peter Rubtzoff; Nancy Harrison 1978-5-20 9186 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC254465  Panicum Peter Rubtzoff 1986-9-28 9749 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC376262  Panicum Greg de Nevers 1996-9-23 10882 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piney Canyon 487 Comment
  CHSC83174  Panicum acuminatum var. acuminatum Beecher Crampton 1964-8-18 7139 f Sonoma The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Banks along road to steam well. 493 Comment
  UC204227  Panicum acuminatum var. acuminatum Volney Rattan 1877-6-26 Sonoma Geysers Comment
  JEPS121155  Panicum acuminatum var. fasciculatum Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18598 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UCD33493  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD33494  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 b Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD89125  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 c Sonoma North East part of county. The Geysers. Comment
  UC149534  Panicum capillare J. Burtt Davy July 1896 4019 Sonoma below Guerneville (Russian River Valley); Russian River Valley Comment
  UCSC000082  Panicum capillare Ken Kellman 1998-9-12 s.n. Sonoma Sandy ground above overflow pool of the Russian River, near Guerneville 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
  SEINET11687824  Panicum capillare subsp. hillmanii I. Knight, Knight, W.; Howell, J. T. 1986-1 5854 Sonoma town of Penngrove, at edge of driveway at fire department entrance 12 Comment
  CAS-BOT-BC253794  Panicum hillmanii Peter Rubtzoff 1971-8-23 6659 Sonoma Meacham Road 0.35 mile S of Stony Point Road Comment
  UC1146647  Panicum miliaceum subsp. miliaceum Freed W. Hoffman 1942-8-26 2272 Sonoma near Guerneville (Herr Ranch); North Coast Ranges, Herr Ranch Comment
  CAS-BOT-BC249263  Parentucellia Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of marsh. Comment
  JEPS86295  Parentucellia latifolia Jack and Betty Guggolz 1989-5-5 1012 Sonoma Comment
  UCD35512  Paronychia franciscana Beecher Crampton 1957-7-22 4363 Sonoma Along State Hwy. 1, 8.2 miles north of Stewart's Point. Comment
  CAS-BOT-BC202870  Paxistima myrsinites W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5452 Sonoma Cherry Creek Road, W of Cloverdale Comment
  CHSC22339  Pedicularis densiflora Robert A. Schlising 1962-3-31 2117 Sonoma California Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  HSC24667  Pedicularis densiflora F. Demostene 1966-4-1 5 Sonoma 2 mi. E of Healdsburg Comment
  RSA800161  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  RSA247449  Pennisetum glaucum Peter Rubtzoff 1968-9-21 5071 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville Comment
  RSA727241  Penstemon heterophyllus subsp. purdyi James L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of CA hwy 12, about 13 airline miles southeast of Santa Rosa. 640 Comment
  NY601758  Penstemon heterophyllus var. purdyi A. A. Heller 1902-5-29 5625 Sonoma Mount Hood Comment
  CAS-BOT-BC71732  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-10 1201 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC222747  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-9-25 5829 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC222748  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1958-7-26 3798 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC1329519  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  UC106533  Perideridia kelloggii J. W. Congdon 1880-8-2 Sonoma Santa Rosa Road Comment
  UCD127896  Perideridia kelloggii K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  UCD127637  Perideridia kelloggii Frederica Bowcutt 1997-7-19 2189 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.5 air mile SE of Red Mountain. Along Vista Traihead, just E. of Bald Mtn Trail and vernal pond. 579 Comment
  CAS-BOT-BC413644  Persicaria amphibia Peter Rubtzoff 1971-9-1 6674 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413648  Persicaria amphibia Peter Rubtzoff 1955-9-9 2116 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC413660  Persicaria amphibia Peter Rubtzoff 1966-8-16 5781 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  UCD165109  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  UCD99058  Persicaria hydropiper Frederica Bowcutt 1997-7-18 2174 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC413744  Persicaria hydropiper Peter Rubtzoff 1968-8-18 5930 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC418915  Persicaria hydropiperoides Peter Rubtzoff 1963-10-5 5290 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC418894  Persicaria hydropiperoides Catherine Best 1981-8-22 s.n. Sonoma On Stoetz Lane about 2 miles northeast of Occidental Comment
  CAS-BOT-BC419109  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419267  Persicaria maculosa Peter Rubtzoff 1968-9-21 5978 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC419268  Persicaria maculosa Peter Rubtzoff 1966-8-25 5798 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  RSA790299  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  UC35660  Petasites frigidus var. palmatus J. Burtt Davy March 1896 1639 Sonoma near Duncan's Mills Comment
  CAS-BOT-BC330276  Petasites frigidus var. palmatus Alice D. Sargent 1922-4-18 s.n. Sonoma Near Montesano on Russian River Comment
  UC1602000  Phacelia californica H. S. Yates 1934-4-21 3781 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UC909989  Phacelia californica Alice Eastwood 1915-6-5 4623 Sonoma Petrified Forest Comment
  UC923118  Phacelia californica Freed W. Hoffman 1950-6-1 3324 Sonoma Kruz Ranch North Coast Ranges (on coast) Comment
  UCD120294  Phacelia californica Frederica Bowcutt 1984-6-23 453 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 1/2 mile. Salt Point State Park. 15 Comment
  UC923137  Phacelia corymbosa Freed W. Hoffman 1950-6-17 3332 Sonoma Layton Chromite Mine North Coast Ranges, Austin Creek Comment
  HSC13726  Phacelia distans James Faro 1962-4-17 15 Sonoma W side of Bodega Bay, N end Comment
  RSA121027  Phacelia distans J. T. Howell 1955-8-6 30894 Sonoma Near Bodega Head. Comment
  UC901847  Phacelia imbricata Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 671 Sonoma 1 mi nw Lafayette School (ca 5 mi e of Guerneville); Fred McMurray Ranch Comment
  UCD160135  Phacelia imbricata James A. Neilson Jr. 1973-6-7 2972 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 365 Comment
  SEINET12335289  Phacelia imbricata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -248 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  POM127624  Phacelia imbricata subsp. imbricata Milo S. Baker 1898-8-23 s.n. Sonoma Santa Rosa Canon [Canyon] Comment
  SEINET11690289  Phalaris aquatica J. T. Howell, Knight, W.; Knight, I. 1986-1 6125 Sonoma Llano Road between Growenstein Hwy and Todd Road Comment
  CAS-BOT-BC265841  Phalaris arundinacea Peter Rubtzoff 1962-6-21 4943 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road, Sonoma County Marshes Comment
  CAS-BOT-BC265842  Phalaris arundinacea Peter Rubtzoff 1958-7-26 3803 Sonoma Laguna de Santa Rosa east of Sebastapol, Sonoma County Marshes Comment
  CDA32602  Phalaris californica P. B. Kennedy 1919-5-16 Sonoma Del Mar. 0 Comment
  CAS-BOT-BC265914  Phalaris lemmonii Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6274 Sonoma Todd Road Preserve 24 Comment
  UCD89374  Phalaris paradoxa Beecher Crampton 1957-7-11 4295 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC253561  Phleum alpinum David D. Keck; J. Clausen 1935-6-15 3377 Sonoma 5 mi. S. of Jenner Comment
  CAS-BOT-BC253562  Phleum alpinum Alice Eastwood 1915-6-29 4874 Sonoma Bodega Point Comment
  UCD89316  Phleum alpinum P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  JEPS128175  Phlox speciosa Roger Raiche 2001-5-17 026 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  SEINET12330326  Phlox speciosa Unknown 1985-1 50169 Sonoma W of Healdburg, Dry Crk area, ridge W side of Dry Creek Valley, N of Dorman Canyon on Bradford Mt 244 Comment
  RSA183404  Phoradendron densum Del Wiens 1960-6-14 2724 Sonoma Ca 4 miles SE of Monte Rio on road to Camp Meeker. Comment
  UCD102226  Phoradendron leucarpum subsp. tomentosum G. F. Hrusa; T. D. Wilfred 1995-12-3 12481 Sonoma Foote Ranch Property at NW base of Mt. St. Helena. Approx. 1/2 distance to summit along Ida Clayton Rd. 300 Comment
  RSA247439  Phoradendron macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd). Comment
  UCD21520  Phyllospadix torreyi Becky Wilson 1973-5-12 71 Sonoma Bodega Bay Head in front of UC Marine Laboratory. 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
  RSA178026  Physocarpus capitatus Robert F. Thorne 1965-4-19 34316 a Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  CAS-BOT-BC202284  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-9-15 289 Sonoma Los Alamos Rd, Santa Rosa Comment
  JEPS46086  Pickeringia montana var. montana Eleanor Armstrong May 1932 502 Sonoma on Occidental Mill rd 2 mi w Sturgeons Mill 60 Comment
  RSA796390  Picris echioides Peter Rubtzoff 1973-8-20 7221 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  JEPS83584  Pinus Sarah Flowers 1988-2-5 Sonoma 20 ft w Hwy. 1 (and 12 ft n off parking entrance, Hwy 1 rd. marker 52.32 at Pebble Beach Access Trl., Sea Ranch) 7 Comment
  CAS-BOT-BC78784  Pinus lambertiana Mary P. Wells 1981-4-19 s.n. Sonoma between Unit 27A and P.G.+E right-of-way, The Sea Ranch Comment
  CAS-BOT-BC72879  Pinus muricata Mary P. Wells 1985-10-4 666 Sonoma Southeast edge of somewhat - pygmy part of Travelers Insurance Timber Preserve, the Sea Ranch. Comment
  NY61989  Pinus muricata R. R. Wilson 1939-7-25 439 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD134772  Pinus muricata Chris Bowen 1974-6-6 143 Sonoma On side of first hills east of Highway 1; Sea Ranch, near State Highway 1. 36 Comment
  SEINET10908748 Image available Pinus ponderosa Unknown 1864-4-27 Anonymous s.n. Sonoma Comment
  SEINET10794535 Image available Pinus ponderosa var. ponderosa Henry N. Bolander 1864-4-27 Bolander s.n. Sonoma Near the geysers. Comment
  UC496428  Piperia candida Merle Randall 1930-6-7 Sonoma Cazadero Redwood Forest Comment
  CAS-BOT-BC166957  Plagiobothrys Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166174  Plagiobothrys Peter Rubtzoff 1969-6-15 6091 Sonoma Laguna de Santa Rosa, ca. 1 mile east- southeast of Sebastopol. Comment
  UCR254850  Plagiobothrys Greg de Nevers 1998-5-5 11229 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; on Weimar Flat 400 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
  UCR279875  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  UCR280130  Plagiobothrys Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  CAS-BOT-BC155000  Plagiobothrys Peter Rubtzoff 1970-5-30 6237 Sonoma 5 miles north of Sears Point. Comment
  JEPS86298  Plagiobothrys Jack and Betty Guggolz 1989-4-29 1003 Sonoma Comment
  UCR105441  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5169 Sonoma Laguna de Santa Rosa, east of Graton Comment
  UCD120792  Plagiobothrys collinus var. californicus Roxana S. Ferris; Laura Lorraine 1961-6-14 13541 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner. Comment
  POM126230  Plagiobothrys stipitatus Michener, Bioletti 1892-5-1 s.n. Sonoma Shellville. Comment
  UCR279854  Plagiobothrys undulatus Peter Rubtzoff 1972-6-11 6780 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC293683  Plantago Peter Rubtzoff 1958-8-31 3952 Sonoma Atascadero Creek Marsh. Comment
  SBBG53025  Plantago erecta M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  UCR143594  Plantago erecta G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  RSA30698  Plantago maritima E. K. Balls, Percy C. Everett 1953-10-9 18601 Sonoma Sonoma Coast State Park, 0.5 mi NW of Salmon Creek, Hwy 1 between Bodega Bay and Jenner. 15 Comment
  CAS-BOT-BC92120  Platystemon californicus A. A. Heller; H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  CAS-BOT-BC92124  Platystemon californicus Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs. Comment
  SBBG53028  Platystemon californicus M. R. Benedict 1978-4-18 Sonoma St Hwy 128, 5 mi W of Calistoga Comment
  POM149315  Platystemon californicus var. californicus A. A. Heller, H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  UCD90157  Pleuropogon californicus G. F. Hrusa 1996-3-29 12739 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approximately 2 m. NW of Calistoga. 110 Comment
  UCD90175  Pleuropogon californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma. 24 Comment
  CAS-BOT-BC260924  Pleuropogon californicus Barbara Keller 1990-4-30 2012 Sonoma Coleman Valley Road 6 miles west of Occidental Comment
  CAS-BOT-BC260980  Pleuropogon californicus var. californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  RSA178008  Pleuropogon californicus var. californicus R. F. Thorne 1965-4-19 34263 Sonoma Cotati, Waters Ranch 30 Comment
  UCR275258  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  UCR275260  Poa Peter Rubtzoff 1976-5-30 8572 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  SEINET10590027  Poa A. Arthur Heller 1902-5-29 Heller 5628 Sonoma Near the summit of Mt. Hood. Comment
  CAS-BOT-BC255612  Poa annua Peter Rubtzoff 1952-3-23 884 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the E Comment
  UCD55143  Poa annua Ellen Dean; Tammie Beyerl 2006-4-28 3025 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  CAS-BOT-BC255611  Poa annua David L. Morgan 1956-4-5 s.n. Sonoma On Gold Ridge Road, near junction of Burnside Comment
  UCD90690  Poa bulbosa Gerry North 1993-4 40 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. 365 Comment
  UCD91043  Poa douglasii Freed W. Hoffman 1944-7-2 1983 Sonoma near entrance to Bodega Bay. Comment
  UCD90528  Poa kelloggii P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC256023  Poa pratensis Greg de Nevers 1993-5-15 10444 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC422344  Poa pratensis Peter Rubtzoff 1976-6-18 8650 Sonoma Kenwood Marsh. Comment
  RSA94640  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC243247  Poa secunda subsp. secunda John Thomas Howell; et al. 1981-5-14 54024 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC243248  Poa secunda subsp. secunda John Thomas Howell; et al. 1982-4-28 54668 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC244196  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC244200  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UC573868  Poa trivialis H. S. Yates 1937-5-30 6558 Sonoma 1 1/2 mi n Freestone; Sebastopol Quadrangle Comment
  CAS-BOT-BC312677  Poaceae Peter Rubtzoff 1964-5-31 s.n. Sonoma Fitch Mountain Grove, near Healdsburg, along Russian River. Comment
  CAS-BOT-BC368003  Poaceae Greg de Nevers 1989-6-8 9079 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC376366  Poaceae Greg de Nevers 1992-6-26 10192 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 400 Comment
  RSA0062829  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. 100 Comment
  RSA83443  Pogogyne douglasii F. W. Peirson 1925-8-8 6340 Sonoma Field 6 miles south of Santa Rosa Comment
  UC25594  Pogogyne douglasii subsp. parviflora H. N. Bolander April 1864 3901 Sonoma Mark West Comment
  CDA40764  Pogogyne serpylloides subsp. intermedia Peter Rubtzoff 1963-6-22 5193 Sonoma Ca. 0.5 mile east of Bennett Mtn. Lake. 0 Comment
  UC1002652  Polycarpon tetraphyllum Milo S. Baker and H. K. Wagnon 1954-7-1 12960 Sonoma Santa Rosa; sidewalk crevices in front of Hughes Garage 2nd St. Comment
  RSA396196  Polygala californica F. H. Utech, Walter, Irja Knight 1984-4-18 84 -162 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  UC450151  Polygala californica Milo S. Baker 1898-6-11 657 Sonoma Little Sulphur Creek Comment
  SEINET12205658  Polygala californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -240 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD109709  Polygala californica Patti Togioka; Rimy Waraich 1993-5-8 246 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. 365 Comment
  RSA800607  Polygonum hydropiper Peter Rubtzoff 1973-8-15 7210 Sonoma Russian River at Squaw Rock, 6 mi south of Hopland. Comment
  SEINET11933364  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 5050 Sonoma 3 mi up Cavedale Road from Hwy 12 in wet spring area Comment
  SEINET11935785  Polygonum lapathifolium J. T. Vale 1988-1 Sonoma In old bed of Russian River about 1/4 mi below bridge at Hacienda among boulders Comment
  SEINET11935790  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 Sonoma Willow Creek, 2 mi N of Petaluma Comment
  SEINET11935782  Polygonum marinense P. G. Conners 1991-1 Sonoma Bodega Marine Reserve salt marsh Comment
  UC727707  Polygonum punctatum Milo S. Baker 1946-8-17 11561 Sonoma The Laguna; at crossing of the Occidental Rd 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
  UCD136916  Polypodium californicum Frederica Bowcutt 1996-5-23 2145 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon at toe of Sugarloaf Ridge just S of campground on rocky slope. 377 Comment
  CAS-BOT-BC72112  Polypodium scouleri John Thomas Howell 1930-7-27 5393 Sonoma 1 mile north of Fort Ross 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
  UCR254897  Polypogon Peter Rubtzoff 1968-9-21 5981 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  RSA94463  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC233191  Polypogon interruptus Peter Rubtzoff 1955-7-31 2013 Sonoma Forestville Marsh Comment
  CAS-BOT-BC233192  Polypogon interruptus Peter Rubtzoff 1958-7-26 3802 Sonoma Laguna de Santa Rosa, E of Sebastopol Comment
  UC50626  Polypogon interruptus J. Burtt Davy 1896-7-24 Sonoma along the Russian River below Guerneville; along the Russian River Comment
  RSA94462  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  SEINET11690151  Polypogon interruptus W. Knight, Knight, I.; Howell, J. T. 1987-1 6281 Sonoma near Todd Road Preserve 24 Comment
  SEINET8719333 Image available Polypogon lutosus Leo Koch 1940-1 1012 Sonoma Behind Fountaingrove Vineyard three miles north of Santa Rosa along Highway 101 Comment
  UCR248904  Polypogon monspeliensis Peter Rubtzoff 1973-9-4 7293 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC237615  Polypogon viridis Peter Rubtzoff 1959-6-6 4102 Sonoma Willow Creek Marsh Comment
  JEPS33241  Polystichum californicum F. T. Bioletti 1892-5-31 Sonoma Hood's Peak Comment
  UC42162  Polystichum californicum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  UCD151138  Polystichum californicum James A. Neilson Jr. 1973-6-6 2966 Sonoma Mayacmas Mountains. The Geysers. Intermittent stream west of Geyser Canyon. (Elevation estimated using Google Earth by label maker.) 441 Comment
  SEINET10794020  Polystichum dudleyi Wendy Born Born s.n. Sonoma Armstrong Redwoods State Park, along road to the Pack Station, ca. 3/4 the way up (immediately across road from large downed tree, on right side of road). Population of P. dudleyi is on left side of road, ca. 100 plants, mixed with Polystichum hybrids, Dryopteris arguta. Comment
  UCR222529  Polystichum imbricans subsp. imbricans George K. Helmkamp, E. A. Helmkamp 2010-6-5 16248 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  UC1041134  Polystichum munitum J. W. Congdon 1892-5-29 Sonoma Cazadero Comment
  CAS-BOT-BC72486  Polystichum munitum Irja Knight; Walter Knight 1964-11-15 1781 Sonoma Hood's Peak near Johnson Lake Comment
  UCD163795  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA595078  Populus trichocarpa Peter Rubtzoff 1986-8-31 9737 Sonoma Off Summerhome Park Road 0.2 mile W of Forest HIlls Road. Comment
  UCR105438  Portulaca oleracea Peter Rubtzoff 1965-8-22 5610 Sonoma North Coast Ranges, Russian River, Forest Hills 5.5 miles east of Guerneville 9 Comment
  CAS-BOT-BC445291  Portulaca oleracea Peter Rubtzoff 1965-9-5 5635 Sonoma Forest Hills 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC445300  Portulaca oleracea G. DeNevers 1981-7-1 1742 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  CAS-BOT-BC452131  Potamogeton crispus Peter Rubtzoff 1962-8-3 5020 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC452132  Potamogeton crispus Peter Rubtzoff 1964-6-24 5375 Sonoma Coleman Marsh. In Salmon Creek. Comment
  CAS-BOT-BC257684  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC141957  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-7-26 1556 Sonoma Coleman Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141958  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-7-26 1556 Sonoma Coleman Marsh - Sonoma County Marshes Comment
  UCD113975  Poterium sanguisorba Mary M. Hektner 1974-7-17 146 Sonoma Outside Kirkwood House on Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS26116  Proboscidea louisianica subsp. louisianica Peter H. Raven, R. Snow 1958-7-23 13681 Sonoma along US Hwy 101 2.1 mi n junction to Skagg's Springs Comment
  CAS-BOT-BC517367  Prosartes smithii Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  UC1288498  Prunella Andrew P. Nelson 1960-8-3 646 -B Sonoma Pitkin Marsh Comment
  SEINET12272809  Prunella vulgaris subsp. vulgaris A. P. Nelson 1961-1 646 1 C Sonoma At Pitkin Marsh Comment
  JEPS23732  Prunella vulgaris var. lanceolata Hilda W. Grinnell 1933-7-21 Sonoma Bodega Bay Comment
  CAS-BOT-BC154681  Prunus subcordata Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC154682  Prunus subcordata Stewart Wade 1927-4-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC159454  Prunus virginiana var. demissa Greg de Nevers 1994-5-19 10522 Sonoma 3450 Franz Valley Road, Franz Valley School Rd., Pepperwood Ranch Natural Preserve 457 Comment
  JEPS20444  Pseudognaphalium beneolens W. L. Jepson 1892-8-8 14744 Sonoma Alexander Valley Comment
  CAS-BOT-BC356924  Pseudognaphalium californicum Walter Knight; Irja Knight 1963-9-1 258 Sonoma Sulphur Creek Rd - 1 mi from US 101 near Cloverdale Comment
  UCD148405  Pseudognaphalium stramineum Peter Rubtzoff 1958-8-16 3884 Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  UCR119042  Pseudotsuga menziesii Beecher Crampton 1960-10-10 5789 Sonoma Mayacmas Mountains, south foothills, 5 miles northwest of Calistoga, Franz Valley, along Highway 128. 183 Comment
  JEPS46756  Pseudotsuga menziesii var. menziesii W. L. Jepson 1931-7-19 15955 Sonoma Watson School near Bodega Comment
  OBI35892  Pseudotsuga menziesii var. menziesii David J. Keil 1983-6-29 17207 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  SEINET5345374  Pseudotsuga menziesii var. menziesii L. Fallon 1939-1-6 s.n. Sonoma 10 miles north of Guerneville Comment
  SEINET3351010 Image available Pseudotsuga taxifolia Alan A. Beetle 1940-1 2596 Sonoma 1 mile south of Ft. Ross; hgwy#1 between Jenner and Ft. Ross; Comment
  UCR279641  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Gratton 18 Comment
  CAS-BOT-BC176130  Psilocarphus Peter Rubtzoff 1971-6-10 6530 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC176177  Psilocarphus Peter Rubtzoff 1970-5-30 6250 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC176178  Psilocarphus Peter Rubtzoff 1971-6-5 6512 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD166219  Psilocarphus Peter Rubtzoff 1970-5-30 6250 Sonoma 5 miles north of Sear Point. Comment
  UCD167966  Psilocarphus James Neilson 1977-6-12 3921 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  CAS-BOT-BC362079  Psilocarphus tenellus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53942 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  RSA770897  Psoralea physodes Robert F. Thorne 1965-4-20 34369 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UC1481822  Pteridium aquilinum var. pubescens Mrs. Carlotta C. Hall June 1909 11 a Sonoma near Guerneville (n bank Russian River, Guernewood Park) Comment
  UC1348906  Pteryxia terebinthina var. californica Robert F. Thorne 1965-4-19 34306 Sonoma W.-facing serpentine slope in mixed evergreen forest; W of Stoetz Roadd off of Harrison Grade, ca. 2 miles NNE of Occidental 182 Comment
  CAS-BOT-BC460848  Pyrola aphylla W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5449 Sonoma Cherry Creek Road W of Cloverdale Comment
  CAS-BOT-BC466277  Pyrola aphylla F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -176 Sonoma The Geysers ca 14.0 mi ESE of Preston and US Hwy 101 on Geysers Road 330 Comment
  UCD45333  Quercus X chasei Milo S. Baker 1946-8-17 11568 Sonoma (Q. agrifolia X Q. kelloggii). Near residence of Mr. Voit, about 1 1/2 miles (air line) west of town of Cunningham, Sonoma County, California. Comment
  CDA16159  Quercus X eplingii G. F. Hrusa, R. Gross 1999-6-12 15076 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  CAS-BOT-BC94704  Quercus X howellii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary Wells 1981-5-14 53936 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC104296  Quercus X morehus D. E. Breedlove 1976-3-27 39441 Sonoma along Dry Creek Road, ca. 3 miles past Warm Springs Dam Comment
  RSA155532  Quercus agrifolia L. S. Rose 1960-9-14 60097 Sonoma Laguna de Santa Rosa, 4 miles NE of Graton. 15 Comment
  SEINET12030396  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 s.n. Sonoma 0.4mi up Cavedale Rd from Hwy-12 91 Comment
  SEINET8981498  Quercus agrifolia L. Fallon 1939-1-6 s.n. Sonoma Santa Rosa Comment
  UC1193267  Quercus berberidifolia R. H. Neuns 1950-5-3 101 Sonoma 6 mi e Geyserville 426 Comment
  UCD162812  Quercus berberidifolia D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2015-3-8 1684 Sonoma Hooker Creek watershed. 590 Comment
  UCD45276  Quercus berberidifolia Roman Gankin 1967-10-4 1078 4 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UCD45472  Quercus chrysolepis Frederica Bowcutt 1994-6-12 1872 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon just south of Adobe Canyon Road. Western trail ahead for Canyon Trail. Elev. 900', S facing, 15 degree slope. 274 Comment
  UCD45473  Quercus chrysolepis Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1774 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trailhead along Adobe Canyon Road S of Sonoma Creek. Elev: 650', reletively flat. Canyon Live Oak. Native. 198 Comment
  CAS-BOT-BC86004  Quercus douglasii Mrs. E. C. Sutliffe 1921-9-1 s.n. Sonoma Valley of the Moon, [Loudon's Place] Comment
  JEPS37397  Quercus douglasii W. H. Calhoun 1907-10-21 Sonoma Windsor Comment
  SEINET12034335  Quercus douglasii Unknown 1974-1 Sonoma Comment
  UCD60446  Quercus douglasii K. Aram 2007-10-1 s.n. Sonoma From SW bank of Lake Sonoma reservoir. Comment
  CAS-BOT-BC79567  Quercus dumosa Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5141 Sonoma Pine Flat Road 335 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
  SEINET12030393  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  UCD46086  Quercus garryana var. garryana J. M. Tucker 1950-11-19 2016 Sonoma 9.8 miles south of Healdsburg, beside road to Rio Nido, Sonoma County, California. Comment
  UCD46118  Quercus garryana var. garryana Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 74 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  CAS-BOT-BC105487  Quercus kelloggii Herman Knoche 1919-11-23 Series A, 3075 Sonoma Santa Rosa Comment
  OBI14248  Quercus kelloggii Robert F. Hoover 1969-9-1 11570 Sonoma Comment
  RSA623531  Quercus kelloggii J. M. Tucker 1952-9-20 2622 Sonoma Voight Ranch, ca. 1.25 miles (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse. Comment
  UCD46737  Quercus kelloggii John M. Tucker 1952-9-20 2617 Sonoma California, Sonoma Co,; Voight Ranch, ca. 1.25 (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  CAS-BOT-BC105488  Quercus kelloggii Margot Lowry 1983-5-1 26 Sonoma ca 1 mile from top of Sonoma Mtn Rd on Sonoma Mtn 500 Comment
  CAS-BOT-BC62803  Quercus lobata Greg de Nevers 1981-9-5 1813 Sonoma Pepperwood Ranch, at the bottom of the Windflower driveway, near Hansel's Corral Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC134863  Quercus wislizeni G. DeNevers 1981-6-27 1694 Sonoma Pepperwood Ranch. On a walk from Franz Valley Road up the main Creek draining the Devil's Kitchen and W along a chaparral ridge. Volcanic. W of Creek Comment
  UCD14499  Quercus wislizeni Steven J. Barnhart 1995-2-1 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  UCD95942  Ranunculus californicus Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-24 61 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD95943  Ranunculus californicus Mary M. Hektner 1975-4-27 187 Sonoma About 10 yards from edge of ocean bluff; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD95944  Ranunculus californicus Mary M. Hektner 1976-4-3 232 Sonoma on headlands above Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR242110  Ranunculus californicus Caitlin Lewis, William Mutch 1993-4-17 006 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco, 11 air mi east of Santa Rosa, and 2.5 mi NE of Kenwood. Adobe Canyon N of Sugarloaf Ridge and south of Red Mountain, near visitor center 366 Comment
Read comments Oct 18 2018
  RSA634963  Ranunculus californicus Michael A. Vincent, Ethan H. Freid, Alex Reich 1998-4-8 8176 Sonoma Bodega Bay, Bodega Bay Marine Reserve, off Bodega Road, Bodega Head Comment
  CAS-BOT-BC378683  Ranunculus californicus var. californicus G. H. Mallory 1920-3-29 s.n. Sonoma east end of Sonoma Ave Comment
  CAS-BOT-BC378694  Ranunculus californicus var. californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC378698  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5055 Sonoma near Santa Rosa Comment
  RSA733909  Ranunculus californicus var. crassifolius Chas. H. Lamoureux, J. M. Tucker, June McCaskill 1957-4-7 1192 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  CAS-BOT-BC83412  Ranunculus lobbii J. Penalosa 1961-5-24 1571 Sonoma Upper Stemple Creek Marsh. Comment
  CDA11315  Ranunculus lobbii G. F. Hrusa, A. Buckman, R. Gross 1995-4-1 12030 Sonoma North Coast Biodiversity Arena; Laguna de Santa Rosa. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Comment
  JEPS55138  Ranunculus lobbii W. L. Jepson 1914-4-11 5085 Sonoma Sonoma Valley 35 Comment
  UCR222564  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16251 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  UC1057477  Ranunculus orthorhynchus var. bloomeri G. Thomas Robbins 1937-5-23 209 Sonoma about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  RSA178036  Ranunculus orthorhynchus var. bloomeri Robert F. Thorne 1965-4-19 34267 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA94331  Ranunculus orthorhynchus var. bloomeri Peter Rubtzoff 1951-6-2 101 Sonoma Western branch of the Upper Marsh Comment
  RSA155471  Ranunculus orthorhynchus var. platyphyllus L. S. Rose 1962-6-1 62063 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  RSA534578  Ranunculus pusillus Peter Rubtzoff 1969-5-24 6063 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  UCD115180  Raphanus sativus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 44 Sonoma near Sea Ranch Lodge, Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC53747  Rhododendron columbianum Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 5 mi. n. of Fort Ross. Hwy 1 Comment
  UCD117873  Rhododendron columbianum J. M. Tucker; C. H. Lamoureux 1958-6-8 3409 Sonoma In the vicinity of State Highway 1, 6.1 miles (by road) north of Fort Ross. Comment
  SEINET11996123  Rhododendron macrophyllum F. H. Utech 1988-1 88 -217 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  CDA43236  Rhododendron occidentale G. F. Hrusa 1989-5-21 7035 Sonoma Austin Creek State Recreation Area; Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  POM131866  Rhododendron occidentale Edward L. Greene 1894-6-17 s.n. Sonoma Mt. St. Helena. Comment
  UCSB4804  Rhododendron occidentale Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  CAS-BOT-BC200343  Rhododendron occidentale var. occidentale Peter Rubtzoff 1970-6-6 6254 Sonoma Bloomfield Road. 4 1/4 mi. northeast of Bloomfield Comment
  CDA21337  Rhododendron occidentale var. occidentale G. F. Hrusa 1989-6-7 7177 Sonoma North Coast Ranges; Above Franz Valley School Rd. immed. W of Sonoma/Napa Co. line. 259 Comment
  CDA32767  Rhododendron occidentale var. occidentale G. F. Hrusa 1988-5-18 5576 Sonoma Outer North Coast Ranges; W side of Hwy 1 between Salt Point State Park and Kruse Ranch rd. 30 Comment
  CDA32770  Rhododendron occidentale var. occidentale G. F. Hrusa, T. D. Wilfred 1992-5-26 9488 Sonoma Outer North Coast Ranges; Kortum Canyon Rd., near its intersection with Hwy 29 in town of Calistoga. 121 Comment
  RSA787919  Rhododendron occidentale var. occidentale G. Fred Hrusa 1989-5-8 6091 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  RSA74060  Rhynchospora alba Milo S. Baker 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog Comment
  JEPS117112  Rhynchospora capillacea Peter Warner 2010-7-29 175 Sonoma Lower Pitkin Marsh, N of primary drainage channel, ~ 350 m, N 44 deg.E from Hwy. 116 gate, in quaking bog (fen) area. Comment
  CAS-BOT-BC111896  Rhynchospora capitellata John Thomas Howell 1945-8-14 21389 Sonoma Perry Marsh Comment
  RSA94280  Rhynchospora globularis var. recognita Peter Rubtzoff 1951-7-28 562 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  CAS-BOT-BC168997  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1958-6-1 3700 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road Comment
  CAS-BOT-BC168998  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1962-4-18 4801 Sonoma Laguna de Santa Rosa northeast of Graton, near Laguna Road Comment
  CAS-BOT-BC209371  Ribes sanguineum var. glutinosum Dorothy Scherer 1996-3-16 005 Sonoma West of Hwy 1 and south of Kolmer Gulch, Fort Ross State Historic Park 9 Comment
  CAS-BOT-BC209372  Ribes sanguineum var. glutinosum Catherine Best 1988-3-12 1314 Sonoma At the edge of Bodega Bay on the west side Comment
  CAS-BOT-BC168766  Ribes victoris A. A. Heller 1902-6-26 5773 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC74702  Rorippa curvisiliqua Peter Rubtzoff 1959-4-19 4043 Sonoma Ross Marsh. 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
  SEINET11996225  Rorippa curvisiliqua H. K. Wagnon 1989-1 1853 Sonoma Spring Lake County Park, Santa Rosa 67 Comment
  CAS-BOT-BC152665  Rosa californica Greg de Nevers 1995-6-3 10747 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, along Franz Creek, just below Mountain House 487 Comment
  CAS-BOT-BC152674  Rosa californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC146771  Rosa gymnocarpa Peter Rubtzoff 1953-5-17 1387 Sonoma South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC146772  Rosa gymnocarpa Walter Knight; Irja Knight 1964-11-3 762 Sonoma Cooper's Grove, Sonoma Mt. Road Comment
  RSA96662  Rosa gymnocarpa Percy C. Everett, E. K. Balls 1954-10-20 20373 Sonoma 2 miles S of Lake-Sonoma Co. line. Road from Middletown to Mt. St. Helena. 701 Comment
  UC467684  Rosa gymnocarpa H. P. Chandler 1907-4-27 7542 Sonoma above 2nd reservoir (St. Helena to Santa Rosa) Comment
  CAS-BOT-BC148195  Rosa rubiginosa Lewis S. Rose 1955-10-24 55188 Sonoma Two Rock 30 Comment
  SEINET11911417  Rosa rubiginosa W. Knight, Knight, I. 1988-1 6262 Sonoma Ford Cutoff, Bodega hwy and Valley Ford 46 Comment
  RSA63654  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma W slope of Hood Mt, burned chaparral, at top of Rose Butte. 244 Comment
  UCD166412  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UCD17946  Rubus discolor H. Olmo; T. S. Mallah 1953-4-3 53 64 Sonoma California. Sonoma County: 0.5 miles north of city limits in Rio Del. Comment
Read comments Aug 27 2013
  CAS-BOT-BC156663  Rubus spectabilis A. A. Heller; H. E. Brown 1902-3-29 5184 Sonoma Bodega Bay Comment
  CAS-BOT-BC157173  Rubus ursinus Alice Eastwood; John Thomas Howell 1939-4-2 7359 Sonoma Larkspur Rock Comment
  UCD17810  Rubus ursinus H. Olmo 8-10 May 1962 62 04 Sonoma California. Sonoma County: 1.4 miles from Bridgehaven Restaurant turnoff, heading north. Comment
  CAS-BOT-BC376293  Rumex Greg de Nevers 1995-8-1 10764 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Skovie 487 Comment
  RSA784601  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC422230  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCD160131  Rumex crispus James A. Neilson Jr. 1973-6-6 3061 Sonoma Mayacmas Mountains. The Geysers. Site IV A. (Exact location of Site IV A unknown. Elevation and coordinates estimated to be near Site IV G by label maker.) 731 Comment
  CAS-BOT-BC433696  Rumex obtusifolius Peter Rubtzoff 1987-7-18 9800 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road. Comment
  UCD101466  Rumex pulcher Mary M. Hektner 1976-12-14 272 Sonoma Sea Ranch Association Office; Unit 18-A, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC434143  Rumex transitorius Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy 1 Comment
  UCD108456  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  UCD138320  Ruppia maritima P. G. Connors 1991-6-25 179 Sonoma Bodega Marine Laboratory housing. 920N, 5140E. Comment
  UC1719909  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, behind community center on W side of Hwy 1 N of town Comment
  SEINET4344595 Image available Rytidosperma penicillatum Unknown 2003-7-19 18246 Sonoma Bodega Bay, coastal meadow behind community center on west side of Hwy 1 north of town. Comment
  CAS-BOT-BC249309  Sagina Peter Rubtzoff 1956-9-14 2886 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC320532  Sagina Peter Rubtzoff; Nancy Harrison 1978-6-11 9214 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  UC935766  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-6-29 920 Sonoma on road to Sebastopol the Laguna marshy area w Santa Rosa; Laguna marshy area Comment
  UCD148463  Salicornia Peter Rubtzoff 1963-8-17 5222 Sonoma Petaluma Creek just east of Petaluma. Comment
  UC504067  Salix exigua var. hindsiana W. A. Setchell 1933-5-6 Sonoma between Monte Rio and Camp Meeker (<Brookside>) Comment
  UC1084372  Salix laevigata G. Thomas Robbins 1937-3-27 43 Sonoma Santa Rosa Creek Santa Rosa, Santa Rosa Creek Comment
  SEINET10393011  Salix laevigata A. A. Heller 1902-4-22 5346 Sonoma Santa Rosa Creek, near Santa Rosa. 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
  UC453114  Salix lasiolepis W. A. Setchell 1931-8-1 27 Sonoma Jenner-by-the-Sea Comment
  UC482119  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC511361  Salix lasiolepis Lyman Benson 1930-3-20 1954 Sonoma 4 mi. n. of Santa Rosa; San Francisco Bay watershed, Mayacamas Mt. Range 152 Comment
  CAS-BOT-BC107347  Salix lasiolepis var. bigelovii Peter Rubtzoff; T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC107348  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC128316  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma A marshy opening south of the Upper Marsh Comment
  CAS-BOT-BC125699  Salix melanopsis H. E. McMinn 1922-6-7 183 Sonoma Russian River near Guerneville Comment
  CAS-BOT-BC126180  Salix scouleriana Peter Rubtzoff 1961-10-23 4774 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC126195  Salix scouleriana H. E. McMinn 1922-6-7 189 Sonoma 1 mile from Monte Rio Comment
  UC524787  Salix scouleriana W. A. Setchell 1934-7-10 5 Sonoma Coast Hwy. above Fort Ross Comment
  CAS-BOT-BC128906  Salix sitchensis Ball; Bracelin; Baker; Crum 1931-5-9 344 Sonoma About 2 km. east of Bodega Bay Comment
  CAS-BOT-BC128946  Salix sitchensis Peter Rubtzoff 1962-9-9 5075 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC128950  Salix sitchensis W. A. Setchell 1934-7-10 4 Sonoma Kru's Ranch, Coast Highway above Fort Ross Comment
  JEPS46299  Salix sitchensis Eleanor Armstrong 1933-4-15 749 Sonoma small creek Bodega Bay 6 Comment
  SBBG57991  Salix sitchensis C. R. Ball, H. P. Bracelin, H. E. Parks, S. Parks 1931-4-21 36 Sonoma Maacama Crk, 25 km NW of Calistoga Comment
  UC453109  Salix sitchensis W. A. Setchell 1931-8-13 23 Sonoma 1 1/2 mi. in from Jenner-by-the-Sea (near Ferry Camp) Comment
  UCD99303  Salsola soda P. G. Connors 1994-9-23 333 Sonoma Bodega Head and Dunes. Comment
  CAS-BOT-BC176914  Salsola tragus Catherine Best 1986-11-16 1232 Sonoma At the edge of Hwy. 121 near the railroad crossing Comment
  UCD161270  Salvia columbariae James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3699 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
  UC1177084  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma n side Hooker Creek; Hoods Peak Range 609 Comment
  UC25740  Salvia sonomensis F. T. Bioletti May 1892 Sonoma Hood's Peak Comment
  CAS-BOT-BC225215  Salvia sonomensis Wayne Roderick 1967-4-28 s.n. Sonoma Cavedale Road n. of Sonoma 457 Comment
  CAS-BOT-BC245884  Sambucus nigra subsp. caerulea Peter Rubtzoff 1952-6-9 1185 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC223343  Sanicula bipinnatifida Alice Eastwood 1921-5-8 10438 Sonoma Petaluma Comment
  UCR265122  Sanicula bipinnatifida Ann Howald 2015-4-1 3325 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  OBI55096  Sanicula graveolens L. Constance, L. R. Heckard and A. R. Kruckeberg 1950-5-13 3329 Sonoma Ridge NE of Sulpher crk 4 mi W of Lincoln Rock 762 Comment
  CDA12818  Sanicula laciniata G. F. Hrusa, R. Gross 1996-3-8 12652 Sonoma North Coast Biodiversity Arena; near summit on NE side of Chalk Hill. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  CDA10851  Sanicula tuberosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11727 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  CAS-BOT-BC328134  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  UCD166462  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Guerneville Marsh. Comment
  RSA799991  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 mi east of Guerneville. Comment
  UC1010439  Saxifraga californica Leo Koch 1938-3-20 48 Sonoma 4 mi n of Santa Rosa (Miss Marian Barbours pasture, on Hwy 101, (Ranch)); North Bay Comment
  UC21368  Scandix pecten-veneris F. T. Bioletti Jun 1891 Sonoma Kenwood Comment
  CAS-BOT-BC283143  Schedonorus arundinaceus G. De Nevers 1981-6-20 1633 Sonoma At the Dentist's Lake, Pepperwood Ranch Comment
  CAS-BOT-BC111433  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1955-9-25 2159 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC111532  Schoenoplectus americanus Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7803 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC111531  Schoenoplectus americanus Peter Rubtzoff 1970-5-16 6223 Sonoma 5 mi north of Sears Point. Open, wet margin of a pond. Comment
  CAS-BOT-BC111636  Schoenoplectus californicus Peter Rubtzoff 1955-8-6 2020 Sonoma Bodega Harbor Marsh. Comment
  SD134065  Schoenoplectus mucronatus Peter Rubtzoff, Nancy Harrison 1974-9-7 7872 Sonoma Hinebaugh Creek in Rohnert Park, open wet ground of creek bed west of Commerce Blvd. crossing. Comment
  CAS-BOT-BC111800  Schoenoplectus pungens var. badius Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111840  Schoenoplectus tabernaemontani Peter Rubtzoff 1965-8-16 5608 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  UCR248932  Scirpus maritimus Peter Rubtzoff 1961-9-20 4750 Sonoma Bodega Harbor Marsh 0 Comment
  POM186202  Scirpus microcarpus A. A. Heller 1902-6-24 5746 Sonoma Near Burke s Sanitarium. Comment
  SBBG1055  Scoliopus bigelovii H. and M. Dearing 1939-5-14 3347 Sonoma near Monte Rio Comment
  CAS-BOT-BC376397  Scrophulariaceae Greg de Nevers 1995-12-3 10777 Sonoma Ida Clayton Road over Mt. St. Helena, 3 miles north of Highway 128. 182 Comment
  UC25783  Scutellaria antirrhinoides H. N. Bolander 1864-1 3947 Sonoma at the Geysers Geysers Comment
  UC112913  Scutellaria californica Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CAS-BOT-BC361396  Sedum radiatum subsp. radiatum Greg de Nevers 1993-5-17 10451 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC63937  Sedum spathulifolium J. Clausen 1935-5-23 1076 Sonoma 1.2 mi S of Petrified Forest Comment
  CAS-BOT-BC62174  Selaginella kraussiana W. R. Dudley 1895-2-23 s.n. Sonoma Knights Valley Comment
  UCD33565  Semiarundinaria fastuosa Beecher Crampton 1970-3-12 8543 Sonoma Sonoma County, El Verano, Green Tree Nursery. Comment
  UCR280142  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CDA35516  Senecio jacobaea Ed Finley 1986-8-2 s.n. Sonoma Sea Ranch, Coast Hwy 1, west side, near marker 53.41. 0 Comment
  RSA791558  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  SEINET9327115  Senecio vulgaris John Nelson, Wnek, Richard 2000-3-7 20942 Sonoma On open gravelly ground next to driveway at Fern Grove Cottages; W side of Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  CAS-BOT-BC80326  Sequoia sempervirens A. A. Heller 1906-3-16 5080 Sonoma Russian [river] River near Trenton Comment
  YM-YOSE15451  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles South in Santa Rosa in Bennet Valley Comment
  CAS-BOT-BC376434  Setaria Greg de Nevers 1996-9-22 10877 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Mark West Creek at Leslie Creek. 400 Comment
  UCR250224  Setaria parviflora Peter Warner 2013-8-12 295 Sonoma Green Valley Road, 0.15 mi east of junction with Bones and Maddocks Roads 87 Comment
  CAS-BOT-BC243603  Setaria parviflora Catherine Best 1983-10-12 907 Sonoma At the edge of Janine Road near Bodega Avenue west of Sebastopol. Comment
  CAS-BOT-BC240154  Setaria pumila Peter Rubtzoff 1971-9-2 6684 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC371430  Sherardia arvensis Greg de Nevers 1997-4-17 10948 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR275255  Sidalcea Peter Rubtzoff 1971-6-5 6509 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  RSA293430  Sidalcea diploscypha Reino Alava 1958-5-24 2060 Sonoma About 4 miles east of Occidental Comment
  RSA87714  Sidalcea malviflora subsp. laciniata C. L. Hitchcock 1952-6-4 19582 Sonoma About 2 miles east of Sebastopol Road to Petaluma, Comment
  CAS-BOT-BC213165  Sidalcea oregana subsp. valida Peter Rubtzoff 1973-9-9 7312 Sonoma Kenwood Marsh Comment
  POM225311  Sidalcea oregana subsp. valida J. T. Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
Read comments Mar 10 2009
  CAS-BOT-BC361292  Silene Greg de Nevers 1993-5-16 10449 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Devil's Kitchen east of 3865 Franz Valley Road 457 Comment
  JEPS45851  Silene californica Eleanor Armstrong 1932-5-28 504 Sonoma 6 mi w of Graton (along Meek[s] grade); w of Graton 60 Comment
  JEPS50892  Silene californica M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 235 Sonoma near Guerneville; Russian River, near Guerneville Comment
  JEPS57379  Silene californica L. R. Heckard and T. I. Chuang 1968-6-18 1950 Sonoma Franz Valley Road 2 mi w of junction with Franz Valley School Road; Franz Valley Road Comment
  CAS-BOT-BC361349  Silene coniflora Greg de Nevers 1997-4-24 10961 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC392496  Silene gallica Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  RSA41908  Silene gallica H. C. Cantelow 1936-5-3 1244 Sonoma 3 miles S of El Verano. Comment
  UCD98639  Silene gallica Valerie Bullock; Erik Beever 1993-5-8 241 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Ponygate Trail on path next to meadow. 365 Comment
  CAS-BOT-BC389883  Silene scouleri subsp. scouleri Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  SEINET7096766  Sisyrinchium bellum A. G. Vestal 1955-5-7 s.n. Sonoma On Jonive Road. Ca. 4.6 miles west of Sebastipol. NAD27, 38? deg. 22' 48ao, -122?_ 54' 01ao (converted to WGS84 decimal degrees) UTM Zone 10, 508701mE, 4247764mN. Comment
  UCD136307  Sisyrinchium bellum M. Rei Scampavia Evangelista 2012-5-19 5 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  HSC13932  Sisyrinchium californicum James Faro 1962-4-22 27 Sonoma Ocean Cove Ranch, 4 mi. N of Fort Ross on Hwy. 1 Comment
  UC672674  Sisyrinchium californicum H. L. Mason 1928-4-8 4284 Sonoma Fort Ross Comment
  UCD165014  Solanum Peter Rubtzoff 1974-10-20 7939 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164419  Solanum Peter Rubtzoff 1971-8-9 6634 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC164687  Solanum Peter Rubtzoff 1951-8-5 594 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  RSA0030765  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  RSA227218  Solanum americanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC361291  Solanum jasminoides Greg de Nevers 1993-5-15 10445 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  UC455799  Solidago velutina subsp. californica I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  UC829902  Solidago velutina subsp. californica A. A. Heller 1902-7-2 6055 Sonoma e Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  CAS-BOT-BC173831  Soliva sessilis Peter Rubtzoff 1960-5-16 4341 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC173832  Soliva sessilis Peter Rubtzoff 1971-5-8 6444 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC365960  Soliva sessilis Catherine Best 1983-10-12 906 Sonoma In the school yard at Watson School on the Bodega Hwy west of Freestone Comment
  CAS-BOT-BC365969  Soliva sessilis Mary P. Wells 1981-4-19 s.n. Sonoma Unit 34-A, The Sea Ranch Comment
  CAS-BOT-BC374525  Sonchus asper G. DeNevers 1981-4-25 813 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC374531  Sonchus asper Peter Rubtzoff 1951-7-7 359 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  UC1099917  Sparganium emersum var. emersum Malcolm A. Nobs and S. Galen Smith 1949-8-1 1109 Sonoma 2 mi e Stewart's Point (on road to Beyserville) Comment
  RSA121037  Sparganium erectum subsp. stoloniferum J. T. Howell 1955-8-6 30891 Sonoma 1 mile southeast of Bloomfield on road to Two Rock. Comment
  RSA20121  Sparganium eurycarpum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  UC1224629  Spartium junceum J. H. Thomas 1964-6-28 10439 Sonoma near Petrified Forest between Calistoga and Santa Rosa Comment
  SEINET12165196  Spartium junceum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -202 Sonoma "The Geysers", ca 14 mi ESE of Preston and US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC390043  Spergula arvensis G. DeNevers 1981-3-14 536 Sonoma Pepperwood Ranch. Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. Along Leslie road Comment
  UC972189  Spergula arvensis subsp. arvensis Milo S. Baker 1952-4-23 12404 Sonoma western outskirts Sonoma (e. side of 5th. St. between Bettencourt & McArthur) Comment
  CAS-BOT-BC390973  Spergularia marina Alice Eastwood 1921-5-8 10453 Sonoma Petaluma Comment
  UC55669  Spirodela polyrhiza J. Burtt Davy 1896-7-22 4143 Sonoma Russian River Comment
  CAS-BOT-BC500696  Stachys Peter Rubtzoff 1957-6-28 3392 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC502059  Stachys Peter Rubtzoff 1971-9-3 6691 Sonoma SE border of Spring Creek Reservoir area Comment
  POM63419  Stachys ajugoides A. A. Heller 1902-6-27 s.n. Sonoma West of Windsor near Russian river. Comment
  UCD125558  Stachys albens Frederica Bowcutt 1997-7-18 2172 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UCD126021  Stachys bullata Author Unknown Date Unknown s.n. Sonoma exact location unknown. Comment
  RSA177954  Stachys rigida subsp. quercetorum Robert F. Thorne 1965-4-20 34324 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  SEINET9340248  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  SEINET9361053  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  CAS-BOT-BC175335  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-8-4 570 Sonoma Southern half of Lower Marsh. Pitkin Marsh, near Forestville Comment
  UC1057441  Stellaria media G. Thomas Robbins 1937-3-27 46 Sonoma Santa Rosa Comment
  CAS-BOT-BC251257  Stellaria media Peter Rubtzoff 1958-8-31 3951 Sonoma Atascadero Creek Marsh. Comment
  SBBG42898  Stephanomeria elata L. D. Gottlieb 1966-8-5 66115 Sonoma Trinity Rd, ca. 0.5 mi E of jct with Cavedale Rd 548 Comment
  UC1745585  Streptanthus barbiger Annetta M. Carter 1947-5-30 1843 Sonoma 2 mi. E of Occidental. Comment
  CAS-BOT-BC61214  Streptanthus brachiatus Lawrence F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine near Lake County Line, just west of Pine Flats Road. Comment
  CAS-BOT-BC61220  Streptanthus brachiatus Helen K. Sharsmith 1952-6-18 4129 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown Road. Mayacamas Mountains. 975 Comment
  UCR67074  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1987-7-7 s.n. Sonoma Socrates Mine area, c. 9 mi. ENE of Geyserville. Serpentine barren c. 2 mi. west of Socrates Mine, at the 'Ivana Roland' transmission line tower 0.5 mi. south of Cadd Fire Trail. 854 Comment
  UC1292753  Streptanthus glandulosus Freed W. Hoffman 1947-9-5 1085 Sonoma Dutch Bill Creek near Camp Meeker Comment
  CAS-BOT-BC87231  Streptanthus glandulosus subsp. glandulosus Mrs. C. A. Burlingame 1921-5-20 s.n. Sonoma Sonoma. Comment
  UC72933  Streptanthus glandulosus subsp. glandulosus Milo S. Baker 1898-6-12 646 Sonoma Geyer Road Geyser Canyon Comment
  JEPS27974  Streptanthus glandulosus subsp. secundus Rimo Bacigalupi and L. Heckard 1961-6-9 7735 Sonoma 1.75 mi. s.w. Occidental (at junction of Joy Rd. and Bittner Rd.) 249 Comment
  UC762907  Streptanthus glandulosus subsp. secundus Robert F. Hoover 1941-5-14 5084 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC87300  Streptanthus glandulosus subsp. sonomensis Lincoln Constance; Reed C. Rollins 1942-5-10 2863 Sonoma North Coast Ranges. Four miles north of Geyserville. 60 Comment
  CAS-BOT-BC87294  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-1 1134 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  CAS-BOT-BC87304  Streptanthus glandulosus subsp. sonomensis Roger Raiche 1986-5-10 60139 Sonoma Northeast of Healdsburg, Reservoir Hill, (end of Sunnyvale Drive). 103 Comment
  UC1492812  Streptanthus tortuosus Freed W. Hoffman 1949-7-9 2849 Sonoma on road from Healdsburg to Geysers 1.4 mi from Geyser-Cloverdale road (ledge 200 ft above road); North Coast Ranges 624 Comment
  RSA799982  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma On River Road about 3 miles W of Fulton. Comment
  CAS-BOT-BC97825  Symphyotrichum chilense J. W. Congdon 1882-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC97829  Symphyotrichum chilense L. R. Abrams 1907-8-1 s.n. Sonoma Sebastopol Comment
  UC1041032  Symphyotrichum spathulatum J. W. Congdon 1880-9-12 Sonoma Petaluma Comment
  UC76083  Synthyris reniformis Milo S. Baker 1898-4-4 Sonoma between Cazadero and Sea View Comment
  UC1127670  Tellima grandiflora H. S. Yates 1934-4-21 3789 Sonoma near Bodega; Sebastopol Quad. 60 Comment
  CDA24367  Thalictrum fendleri var. polycarpum Sherrald 1929-5-3 Sonoma 0 Comment
  POM188484  Thalictrum polycarpum Marcus E. Jones 1931-7-5 28900 Sonoma West of Cloverdale. Comment
  UC16391  Thermopsis californica var. californica F. T. Bioletti 1892-5-15 Sonoma South Los Guilicos Comment
  UCSB21296  Thermopsis californica var. californica McCarthy, Sharon 1965-4-11 Sonoma East side of Bennett Peak, 2.5 miles west on dirt road from junction at Lawndale Road, 1 mile from its junction with State Highway 12, southwest of Glen Ellen Comment
  CAS-BOT-BC66807  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10934 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66827  Thysanocarpus curvipes Ira L. Wiggins 1949-4-30 12069 A Sonoma 4 miles west of Calistoga. Comment
  CAS-BOT-BC66817  Thysanocarpus curvipes G. DeNevers 1981-4-25 843 Sonoma Pepperwood Ranch. At the big road cut and turnout below Walter Ward's House on Franz Valley Road. Comment
  CAS-BOT-BC67340  Thysanocarpus radians David D. Keck 1931-4-2 998 Sonoma Boyes Springs. 30 Comment
  UC11048  Thysanocarpus radians Alice King Apr., 1897 Sonoma Healdsburg Comment
  UCD116048  Thysanocarpus radians M. Wiesendanger 1927-5-5 715 Sonoma Sonoma. Comment
  UC27666  Tonella tenella Alice King Apr 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC371426  Torilis arvensis Greg de Nevers 1996-6-3 10825 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC81458  Torreya californica D. E. Breedlove 1983-4-11 58694 Sonoma Pepperwood Ranch W of Knights Valley Comment
  HSC39062  Torreya californica Gary S. Lester 1974-2-9 67 Sonoma Sugarloaf State Park, bottoms campground 518 Comment
  RSA257027  Torreya californica G. D. Wallace 1973-7-10 1239 Sonoma Along the coast Highway 1, just south of Salt Point and north of Fort Ross Comment
  CAS-BOT-BC172888  Toxicodendron diversilobum Alice Eastwood 1915-6-5 4583 Sonoma Petrified Forest 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
  SBBG53031  Toxicoscordion venenosum M. R. Benedict 1978-7-18 Sonoma St Hwy 128, 5 mi W of Calistoga Comment
  CAS-BOT-BC377111  Tragopogon porrifolius Volney Rattan 1877-6-6 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC257362  Trichostema Peter Rubtzoff; Nancy Harrison 1977-8-26 9116 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS25828  Trichostema laxum Harry K. Roberts 1961-6-20 Sonoma N and E of Occidental (Harrison Grade summit) Comment
  SD58366  Trichostema laxum Harry K. Roberts 1961-6-20 Sonoma Roadside and open areas at summit of Harrison Grade, north and east of Occidental. Comment
  UCR50512  Trichostema laxum L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
  RSA784987  Trifolium Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy 12 crossing) Comment
  UC726770  Trifolium albopurpureum var. dichotomum A. A. Heller 1940-5-6 15590 Sonoma near Petrified Forest (roadside bank) Comment
  UC249680  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  CAS-BOT-BC217060  Trifolium amoenum Peter G. Connors 320 Sonoma West of Occidental Comment
  UCSC010694  Trifolium amoenum R. Morgan 1999-1 Sonoma Comment
  UC630839  Trifolium barbigerum P. B. Kennedy June, 1915 Sonoma Del Mar northern part of county Comment
  POM313529  Trifolium barbigerum P. B. Kennedy 1929-5-24 10292 Sonoma Between Sea View and Plantation 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
  UC16521  Trifolium depauperatum var. amplectens W. H. Brewer 1862-4-18 961 Sonoma near Sonoma Comment
Read comments Sep 7 2009
  UC16481  Trifolium depauperatum var. depauperatum F. T. Bioletti 1892-1 Sonoma Comment
  UCD108545  Trifolium depauperatum var. truncatum R. Tofsrud 1951-5-27 s.n. Sonoma Daken's place near Mark West Springs. Comment
  POM68425  Trifolium dichotomum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCD165162  Trifolium dubium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh. Comment
  UC555451  Trifolium fucatum Herbert L. Mason 1926-3-20 2749 Sonoma s Calistoga (along rr right-of-way) Comment
  UCD109024  Trifolium fucatum P. B. Kennedy 1929-5-24 10295 Sonoma Between Cazadera and Seaview. 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
  UCD111235  Trifolium incarnatum Allen Hahus 1978-4-22 18 Sonoma 0.25 mile west of Jonive Road on Highway 12. Comment
  SEINET6935123  Trifolium macraei W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Cove at Bodega Head. Comment
  UC631549  Trifolium microcephalum P. B. Kennedy 1915-5-31 Sonoma Anapolis Comment
  UCD111423  Trifolium microcephalum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 63 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 259 Comment
  CAS-BOT-BC368065  Trifolium microdon Greg de Nevers 1998-5-26 11263 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UCD33225  Trifolium microdon Beecher Crampton 1967-5-15 7926 Sonoma Sonoma County, Lytton. Comment
  JEPS85900  Trifolium obtusiflorum Jack and Betty Guggolz 1991-7-29 1218 Sonoma 2 mi n Camp Meeker (Upper Duvoul Creek) 121 Comment
  UCD38484  Trifolium repens Beecher Crampton 1955-6-17 2936 Sonoma 1/2 mile south of Guerneville. Comment
  UCR261660  Trifolium striatum Ann Howald 2003-5-15 2337 Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, upper east slope, c. 0.1 mile south of Rodgers Creek 205 Comment
  UC1784122  Trifolium variegatum Milo S. Baker 1932-4-26 5967 Sonoma Monticello Road near Pope Valley, California Comment
  SEINET10577509  Trifolium variegatum var. rostratum Michener MICHENER s.n. Sonoma Kenwood Comment
  CAS-BOT-BC361340  Trifolium willdenovii Greg de Nevers 1997-4-24 10974 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  OBI78224  Trifolium wormskioldii Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood Comment
  UC75634  Trillium albidum Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  UCD139897  Trillium albidum M. Wiesendanger 1927-5-5 272 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC520843  Trillium albidum G. DeNevers; F. Almeda 1981-3-30 4874 Sonoma Pepperwood Ranch: Along road to the Garrison Cabin at SW sector of the ranch Comment
  UC1057438  Trillium chloropetalum G. Thomas Robbins 1937-3-26 27 Sonoma creek along rd. e. of Bodega Bay Comment
  UCR255036  Trillium ovatum Greg de Nevers 1998-4-30 11222 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS65947  Triphysaria eriantha subsp. eriantha Peter Rubtzoff 1971-6-5 6518 Sonoma on Bennett Valley Road 4.25 mi w Glen Ellen Comment
  HSC26831  Triphysaria eriantha subsp. eriantha Thomas W. Nelson 1971-3-23 349 Sonoma 3 mi. S of Healdsburg Comment
  UC27180  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Comment
  JEPS10692  Triphysaria eriantha subsp. rosea Docia I. Patchett 1918-5-26 Sonoma near Black Point; near Black Point Comment
  SD81262  Triphysaria eriantha subsp. rosea Darley F. Howe 1969-5-29 Sonoma Sea bluff at Sea Ranch Comment
  JEPS73312  Triphysaria pusilla Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 745 Sonoma 1 mi w of Two Rock Junction Comment
  SD130528  Triphysaria pusilla F. Almeda, G. DeNevers 1981-3-30 4890 Sonoma Pepperwood Ranch, SE facing slopes just west of the Redwood Canyon Comment
  UC726331  Triphysaria versicolor subsp. versicolor A. A. Heller 1937-5-1 16176 a Sonoma along State Highway #1 on the bluff at Bodega Bay (s of the town of Bay); on the bluff at Bodega Bay Comment
  CAS-BOT-BC200108  Trisetum canescens K. Wagnon 1939-5-14 202 Sonoma In Wagnon's rock quarry 5 mi. west of Sebastopol Comment
  CAS-BOT-BC200114  Trisetum canescens Peter Rubtzoff 1953-5-17 1378 Sonoma Vacation Beach, near Guerneville Comment
  JEPS45810  Trisetum canescens Eleanor Armstrong 1932-5-25 172 Sonoma near Camp Meeker 137 Comment
  CAS-BOT-BC200107  Trisetum canescens Peter Rubtzoff 1951-6-9 180 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC522370  Triteleia hyacinthina G. DeNevers 1981-5-9 1038 Sonoma Along the road W of the Red Corral; Pepperwood Ranch Comment
  CAS-BOT-BC527040  Triteleia laxa J. W. Congdon 1880-4-1 111 Sonoma Petaluma Comment
  SEINET12050340  Triteleia laxa J. T. Vale 1988-1 s.n. Sonoma Skaggs Springs, road between Sonoma Lake and Annapolis Rd Comment
  CAS-BOT-BC527970  Triteleia peduncularis J. W. Congdon 1880-5-30 115 Sonoma Santa Rosa Comment
  CAS-BOT-BC527979  Triteleia peduncularis Peter Rubtzoff 1965-6-20 5562 Sonoma Freestone Marsh Comment
  RSA378054  Triteleia peduncularis J. W. Congdon 1880-5-16 s.n. Sonoma Sting Point? Sebastapol Road. Comment
  SD134045  Triteleia tubergenii Peter Rubtzoff, Rimo Bacigalupi 1971-6-10 6526 Sonoma Grassy flat on south side of West Railroad Avenue, between Freeway 101 and Stony Point Road. Comment
  SEINET11992138  Turritis glabra F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -107 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.6 mi N of Cavedale Rd from jct 457 Comment
  CAS-BOT-BC208027  Ulex europaeus Mrs. H. C. Cantelow 1937-3-25 s.n. Sonoma North of Bodega Comment
  CHSC997  Ulex europaeus M. Anthony 1953-3-9 Sonoma Comment
  CAS-BOT-BC208028  Ulex europaeus Walter Knight; Irja Knight 1963-12-28 483 Sonoma Valley Ford-Bodego Bay highway Comment
  CAS-BOT-BC258006  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  RSA40094  Umbellularia californica L. S. Rose 1948-1-17 48003 Sonoma Glen Ellen 40 Comment
  CDA7733  Uropappus lindleyi D. G. Kelch 2007-5-13 7 .294 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC403984  Urtica dioica subsp. gracilis Peter Rubtzoff 1962-5-30 4854 Sonoma Freestone Marsh Comment
  CAS-BOT-BC404223  Urtica dioica subsp. holosericea Peter Rubtzoff 1968-8-24 5934 Sonoma Upper Salmon Creek Marsh Comment
  SEINET14053332  Urtica dioica subsp. holosericea Duaccares Ueills 1943-1 Sonoma roadside Comment
  POM192687  Vaccinium parvifolium H. P. Bracelin 1930-7-27 22 Sonoma One mile N. of Fort Ross. Comment
  RSA471153  Vaccinium parvifolium Christopher Davidson 1977-6-20 6031 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  SD88335  Vancouveria planipetala Darley F. Howe 1972-5-1 Sonoma Duncan Mills Pond 149 Comment
  CAS-BOT-BC262796  Veronica Peter Rubtzoff; Nancy Harrison 1974-9-7 7868 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  JEPS40979  Veronica americana Lewis S. Rose 1964-6-3 64050 Sonoma n end of Bodega Bay 1 Comment
  UCD148401  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). 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
  RSA276858  Veronica anagallis-aquatica Peter Rubtzoff 1968-9-21 5983 Sonoma Russian River bottom at Forest HIlls, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC267245  Viburnum ellipticum D. E. Breedlove 1980-6-27 44777 Sonoma Pepperwood Ranch W of Knights Valley Comment
  SJSU10306  Vicia americana subsp. americana G. J. Woodside 1969-4-20 Sonoma Dutton Bill Cr, 4 mi above Camp Meeker at Dorothys Rest Comment
  UC424776  Vicia sativa Milo S. Baker 1929-4-17 3507 Sonoma near Steuben School House Comment
  UC673605  Vicia sativa subsp. nigra Herbert L. Mason 1926-3-20 2750 Sonoma s of Calistoga (marshes, along railroad right-of-way) Comment
  RSA128936  Vicia villosa J. T. Howell 1944-5-14 19483 Sonoma Chileno Valley 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
  UCR267158  Vinca major Peter Warner 2010-3-1 111 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd., between road and Cheney Gulch Creek 39 Comment
  CDA34791  Vinca major Peter Warner 2010-3-1 111 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  CAS-BOT-BC270249  Viola adunca L. R. Abrams 1920-7-3 7619 Sonoma Stewarts Point Comment
  UC1084480  Viola adunca G. Thomas Robbins 1938-4-15 253 Sonoma about 2.5 mi e of Bodega Bay Comment
  UCD110664  Viola adunca subsp. adunca Mary M. Hektner 1974-6-24 64 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1057435  Viola douglasii G. Thomas Robbins 1937-3-25 9 Sonoma 8-10 mi e of Santa Rosa (near Golf and Country Club); Santa Rosa Creek Canyon Comment
  UC1763348  Viola douglasii Milo S. Baker 1920-1 5514 Sonoma Kenwood Comment
  UC1761626  Viola douglasii Dorothy Bately 1932-2-19 Sonoma Santa Rosa Golf Links Comment
  CAS-BOT-BC536909  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  UC1010429  Viola ocellata Leo Koch 1939-4-8 497 Sonoma Baxman Ranch near Plantation; North Bay, Baxman Ranch Comment
  UC1742250  Viola septentrionalis Milo S. Baker 1944-5-2 Sonoma Brookside Garden Comment
  CAS-BOT-BC135297  Viscum album William O. McCartney 1966-5-4 s.n. Sonoma in a residential property, NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  UC1312954  Viscum album William O. McCartney 1966-5-4 Sonoma nw corner of Mill Station Road and Gravenstein North Highway Sebastopol Comment
  CAS-BOT-BC203125  Vitis californica Irja Knight; Walter Knight 1964-11-15 778 Sonoma Hood's [Hood] Peak below Johnson Lake Comment
  CAS-BOT-BC203131  Vitis californica James McMurphy 1908-9-27 s.n. Sonoma Mark West Creek Comment
  CAS-BOT-BC203132  Vitis californica H. E. McMinn 1922-6-7 188 Sonoma Stream entering Russian River - 2 1/2 mi. from Cosmo Comment
  CAS-BOT-BC199825  Vulpia John H. Thomas 1976-6-16 18347 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC199894  Vulpia bromoides Mary P. Wells 1985-4-27 508 a Sonoma Monan's Rill, no. of St. Helena Road southeast of Calistoga Road Comment
  CAS-BOT-BC199915  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  SEINET197662