Search Results — 2000 specimen records retrieved (1298 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  POM180771  Abies grandis J. T. Howell 1930-7-27 5398 Sonoma Canyon 1 mile N of Fort Ross. Comment
  CAS-BOT-BC233755  Abronia umbellata Rimo Bacigalupi 1928-6-18 1898 Sonoma Beach at mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  UC1084469  Acaena pinnatifida var. californica G. Thomas Robbins 1937-6-6 234 Sonoma hills 2 - 3 mi. e. Bodega Bay Comment
  CAS-BOT-BC361332  Acaena pinnatifida var. californica Greg de Nevers 1997-4-26 10982 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  CAS-BOT-BC451109  Acaena pinnatifida var. californica Greg de Nevers 1996-8-28 10860 Sonoma Trail from Shell Beach to Pomo Campground. 40 Comment
  CAS-BOT-BC336945  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of the Upper Marsh Comment
  UC1299196  Acer negundo var. californicum Freed W. Hoffman 1947-4-1 873 Sonoma bank of Russian River at Guerneville; North Coast Ranges, bank of Russian River Comment
  NY149868  Achillea arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay 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
  CAS-BOT-BC30091  Achillea millefolium John Thomas Howell 1955-8-6 30896 Sonoma Dunes at Bodega Head Comment
  UCD160830  Achillea millefolium James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3368 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC30088  Achillea millefolium W. E. Lawrence 1942-1-1 L 5031 Sonoma Bodega Coast, grown in Stanford gardens Comment
  CAS-BOT-BC29158  Achyrachaena mollis D. D. Keck 1933-5-28 2323 Sonoma 3.4 miles east of Shellville (jsut east of intersection of Sonoma Road) Comment
  UCD35653  Acmispon brachycarpus Beecher Crampton 1959-6-16 5373 Sonoma 1 mile east of Occidental. Comment
  UCD104293  Acmispon parviflorus Frederica Bowcutt 1994-6-12 1861 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC29848  Adenocaulon bicolor Volney Rattan 1877-6-18 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC65530  Adiantum aleuticum Greg de Nevers 1987-4-25 8163 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UC903198  Adiantum aleuticum Ethel Crum 1930-7-27 823 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  UCD162160  Adiantum aleuticum D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1514 Sonoma Hooker Creek watershed. 480 Comment
  CAS-BOT-BC65685  Adiantum jordanii Walter Knight; Irja Knight 1964-2-16 524 Sonoma Mill Creek Road Comment
  JEPS128359  Adiantum jordanii Roger Raiche 2000-3-11 003 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD137241  Adiantum jordanii C. Wistrom 1996-5-26 36 Sonoma Healdsburg. 1735 Dry Creek Road. 48 Comment
  RSA0065937  Aegilops triuncialis Greg de Nevers 1989-04 9066 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC202705  Aesculus californica Elsa Ruckert 1960-5-15 152 Sonoma Corner of Wall Road and Dry Creek Road, 5 miles W from Highway 12 365 Comment
  UCD136676  Aesculus californica Frederica Bowcutt 1994-6-12 1865 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  SEINET4853892  Agastache glaucifolia A. A. Heller 1902-6-28 5792 Sonoma Between Knight's Valley & Mark West Springs. Comment
  UCD128637  Agoseris apargioides var. apargioides P. G. Connors 1992-5-14 257 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  CAS-BOT-BC29572  Agoseris apargioides var. eastwoodiae Alice Eastwood 1915-6-29 4893 Sonoma Bodega Point Comment
  CAS-BOT-BC29574  Agoseris apargioides var. eastwoodiae Doreen Smith 2003-5-22 s.n. Sonoma Bodega Dunes, SE of research facility 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
  RSA416393  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UCD158808  Agoseris heterophylla James A. Neilson Jr. 1974-3-27 2943 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD128437  Agoseris heterophylla Frederica Bowcutt 1994-5-21 1804 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. Comment
  UCD128662  Agoseris retrorsa Gerry North 1993-4 53 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Bald Mountain Trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  RSA0065936  Agropyron Greg de Nevers 1989-04 9065 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC209998  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC210012  Agrostis Peter Rubtzoff 1970-9-3 6378 Sonoma Marsh off Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC210016  Agrostis Peter Rubtzoff 1968-7-13 5914 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC210018  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC361297  Agrostis Greg de Nevers 1997-5-8 10992 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, on Oak Hill Ranch 457 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
  UCR256104  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 91 Comment
  RSA129634  Agrostis H. S. Yates 1936-4-3 5574 Sonoma 1 mile NE of Petrified Forest. 305 Comment
  UC1100113  Agrostis alba Herbert L. Mason 1946-7-4 12888 Sonoma between Santa Rosa and Forestville Forestville (Pitkin Marsh); Pitkin Marsh Comment
  SEINET246029  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma 0.9 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD37163  Agrostis blasdalei Beecher Crampton 1957-7-22 4394 Sonoma Sonoma County, 0.25 mile north of Fort Ross, along State Highway 1. Comment
  UCR119152  Agrostis californica Beecher Crampton 1957-7-11 4344 Sonoma Central Coast, 4.6 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1, Duncan's Point. Sandy slopes above bluffs. 30 Comment
  UCD51881  Agrostis capillaris Milo S. Baker 1943-7-29 10502 Sonoma Brookside Garden, Kenwood. Comment
  UCR279633  Agrostis densiflora Peter Rubtzoff 1967-8-22 5854 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  UCD52010  Agrostis densiflora Beecher Crampton 1957-7-22 4360 Sonoma 5.3 miles north of Stewart's Point, State Hwy. 1. Comment
  CAS-BOT-BC126965  Agrostis exarata Greg de Nevers 1992-6-26 10208 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 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
  UCD148474  Agrostis exarata Peter Rubtzoff 1964-8-20 5461 Sonoma Americano Creek area, along Petaluma-Valley Ford road near Bloomfield. Comment
  UCD36690  Agrostis exarata Beecher Crampton 1955-6-17 2946 Sonoma 4.5 miles S of Cazadero. Comment
  UCD52078  Agrostis exarata Beecher Crampton 1959-6-16 5391 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UCD36636  Agrostis exarata Beecher Crampton 1955-6-8 2830 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC139551  Agrostis gigantea Herbert L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  UCD38726  Agrostis hallii Beecher Crampton 1957-7-11 4300 Sonoma 1.4 miles southeast of Bodega Bay. Comment
  UC1146696  Agrostis microphylla Freed W. Hoffman 1941-6-20 2088 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  UCD148468  Agrostis microphylla Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh. Comment
  UCD53018  Agrostis microphylla Beecher Cramppon 1959-6-16 5381 Sonoma 1 mile east of Occidental. Comment
  UCD53026  Agrostis microphylla Beecher Crampton 1959-6-16 5380 Sonoma 1 mile E of Occidental. Comment
  CAS-BOT-BC139117  Agrostis oregonensis Peter Rubtzoff 1951-8-5 605 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC138922  Agrostis pallens G. DeNevers 1981-5-30 1351 Sonoma Pepperwood Ranch. North side of Studio Road at base of hill, near the green Gate. Comment
  CAS-BOT-BC138926  Agrostis pallens G. DeNevers 1981-6-20 1592 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Comment
  UCD53084  Agrostis pallens Mary M. Hektner 1975-6-2 196 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC138595  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma county coast, 5 miles south of Stewart Point. Comment
  SDSU724  Agrostis stolonifera D. F. Howe 1963-7-3 3586 Sonoma 20 miles norht of Junction with #12 on #1 Comment
  UCR133544  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Coast, 5 miles south of Stewart's ('Steward') Point 24 Comment
  CAS-BOT-BC210112  Aira caryophyllea Peter Rubtzoff 1971-6-5 s.n. Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC138215  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1952-6-10 1213 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  UC1042432  Alisma plantago-aquatica Peter Rubtzoff 1951-8-19 664 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC445458  Alisma triviale D. E. Breedlove 1980-6-27 44740 Sonoma Peppewood Ranch W of Knights Valley Comment
  RSA0051269  Allium Greg de Nevers 1993-5-17 10450 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen east of 3865 Franz Valley Road. 100 Comment
  CAS-BOT-BC368055  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Franz Valley Road 400 Comment
  UCD84096  Allium amplectens Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC462387  Allium amplectens R. C. Barneby 1954-4-30 11226 Sonoma S of Schellville 100 Comment
  SEINET3884472  Allium dichlamydeum D. W. McNeal 1968-6-15 411 Sonoma 13.3 mi. n. of Fort Ross.; 0 Comment
  UC1083345  Allium falcifolium Herbert L. Mason 1934-4-28 8074 Sonoma head of Dohrman Creek Dohrman's Creek, Jensen's Ranch Comment
  UCD138616  Allium unifolium Mary M. Hektner 1975-6-3 202 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD138618  Allium vineale G. D. Barbe 1974-4-29 1782 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. Comment
  JEPS52302  Allotropa virgata Wayne Roderick 1967-6-18 Sonoma On the Ida Clayton Road Northwest of Mt. St. Helena 609 Comment
  RSA155529  Alnus rhombifolia L. S. Rose 1960-9-14 60093 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  CAS-BOT-BC138040  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1962-6-13 4895 Sonoma Freestone Marsh. Comment
  JEPS45803  Alopecurus aequalis var. sonomensis Eleanor Armstrong 1932-5-25 173 Sonoma 3 mi. w. Graton (<Schackley> Flat) 45 Comment
  JEPS45802  Alopecurus saccatus Eleanor Armstrong 1932-6-4 186 Sonoma 5 mi. w. Graton (<Schlackey> Flat) 30 Comment
  UCD165776  Amaranthus Peter Rubtzoff 1973-8-29 7284 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC540839  Amaranthus Peter Rubtzoff 1973-8-20 7235 Sonoma Sonoma Creek bottom hear Agua Caliente Road crossing W of Agua Caliente Comment
  UC29417  Ambrosia psilostachya J. Burtt Davy Oct 1 1896-Jan 1 1900 2852 Sonoma Sonoma Comment
Read comments
Nov 13 2016
  CAS-BOT-BC177223  Amorpha californica var. napensis A. Day 1982-6-1 82 65 A Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC177224  Amorpha californica var. napensis Ynes Mexia 1929-6-2 2390 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC177230  Amorpha californica var. napensis Walter Knight; Irja Knight 1963-9-15 384 Sonoma Los Alamos Rd, Santa Rosa Comment
  POM252871  Amorpha californica var. napensis D. C. Michener, Bioletti 1893-05 s.n. Sonoma Nun's Canyon Comment
  JEPS30836  Amsinckia lunaris Rimo Bacigalupi and L. R. Heckard 1962-6-19 8592 Sonoma 1/4 mile southeast of Horseshoe Cove, at northeastern base of low hills forming Bodega Head proper. Comment
  CAS-BOT-BC26809  Amsinckia nigricans Amos Arthur Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  CDA36951  Anagallis arvensis CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SEINET3918234  Andropogon glomeratus Fred W. Hoffman 1943-6-17 s.n. Sonoma Guerneville.; 0 Comment
  UC1042505  Andropogon glomeratus var. pumilus Peter Rubtzoff 1951-11-24 849 Sonoma western branch of the Upper Marsh Pitkin Marsh (near Forestville); , western branch of the Upper Marsh Comment
  CAS-BOT-BC137785  Andropogon virginicus var. virginicus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  UC640633  Angelica californica Alice Eastwood, John Thomas Howell 1938-7-6 6084 Sonoma Alder Glen Springs Comment
  UCD126257  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  SD41487  Angelica tomentosa var. hendersonii Edith A. Purer 1932-7-21 4046 Sonoma Bodega Bay Comment
  CAS-BOT-BC271437  Anisocarpus madioides A. A. Heller 1902-6-26 5769 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  UCD128899  Anisocarpus madioides J. M. Tucker 1951-6-26 2135 Sonoma near summit of range, road from Glen Ellen to Oakville. Comment
  HSC8926  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma Along Hwy. 101, N of Windsor Comment
  JEPS71147  Anthoxanthum aristatum Eleanor Armstrong 1932-6-9 191 Sonoma near Camp Meeker 121 Comment
  RSA26260  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  SEINET5336058  Anthoxanthum aristatum L. Koch 1940-4-22 841 Sonoma along highway 101 N of Windsor Comment
  CAS-BOT-BC280662  Anthoxanthum occidentale Roxana S. Ferris; Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  CAS-BOT-BC280666  Anthoxanthum occidentale K. Wagnon 1939-4-10 165 Sonoma About 1/2 mile south of Jonive Grammar School, six miles west of Sebastopol Comment
  CAS-BOT-BC280668  Anthoxanthum occidentale Peter Rubtzoff 1955-5-14 1844 Sonoma Duncans Mill Marsh. Area above the Marsh, along a western tributary of Orrs Creek Comment
  CHSC35160  Anthoxanthum odoratum M. E. Banning 1969-5-10 118 Sonoma 8 mi. s of Stewards Point on Highway 1. Comment
  UC78900  Anthoxanthum odoratum Edward Lee 1936-6-8 2224 Sonoma Bohemian Grove, grounds near entrance Bohemian Grove Comment
  UCD151205  Anthoxanthum odoratum James A. Neilson Jr. 1974-7-10 2819 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  RSA47825  Anthriscus caucalis L. Beane, L. James 1949-5-11 1985 Sonoma 3 miles east of Hopland Comment
  POM188514  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones 1931-7-5 28820 Sonoma Cloverdale Comment
  CAS-BOT-BC237924  Antirrhinum virga W. W. Carruth 1901-6-1 s.n. Sonoma Near Cazadero Comment
  CAS-BOT-BC237923  Antirrhinum virga Milo S. Baker 1926-1-1 230 a-Local Sonoma Macartney Ranch - Los Gulicos [Guilicos] Val. Comment
  CAS-BOT-BC248905  Antirrhinum virga R. D. Stone; G. Clifton 1983-6-16 556 Sonoma At intersection of Burma (Kingcaid) Rd. and Big Sulphur Creek Rd., upper Big Sulphur Cr. drainage, ca. 3.0 mi. due S of summit Cobb Mt. 822 Comment
  CAS-BOT-BC251262  Apiaceae Peter Rubtzoff 1967-7-2 5844 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  UC874555  Apium graveolens Marcus E. Jones, A. M. 1882-7-17 3604 Sonoma Duncan Mills Comment
  UC1125882  Aquilegia formosa E. Armstrong 1934-3-26 947 Sonoma Camp Meeker Sebastopol Quad. 60 Comment
  SJSU8313  Arabis blepharophylla D. N. Glover 1974-2-24 Sonoma 1 mi E of junction of Valley Ford & Freestone Rds, 2 mi W of Bodega 76 Comment
  CAS-BOT-BC128621  Arbutus menziesii A. A. Heller; H. E. Brown 1902-4-17 s.n. Sonoma Hills at Santa Rosa Comment
  UC876365  Arbutus menziesii Alice Eastwood 1918-5-1 6857 Sonoma Mount St. Helena Comment
  UC526220  Arctostaphylos John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  RSA0077990  Arctostaphylos B. A. Stein 1981-3-7 446 Sonoma Vine Hill Rd., 1/2 mile S of Vine Hill School Rd. Comment
  UC1388323  Arctostaphylos X candidissima Freed W. Hoffman 1947-9-29 505 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  CAS-BOT-BC24078  Arctostaphylos bakeri Walter Knight; Irja Knight 1985-12-29 6378 Sonoma Harrison Grade 213 Comment
  CHSC67490  Arctostaphylos bakeri James D. Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. 121 Comment
  OBI14769  Arctostaphylos bakeri Robert F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  UC1388372  Arctostaphylos bakeri Freed W. Hoffman 1948-4-1 2753 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC1388373  Arctostaphylos bakeri Freed W. Hoffman 1947-3-11 823 Sonoma ne Camp Meeker; North Coast Ranges Comment
  CDA38593  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. Comment
  RSA622700  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24703 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622705  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24697 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  CAS-BOT-BC23969  Arctostaphylos canescens subsp. canescens Milo S. Baker Fall 1936 9782 Sonoma Top of Hood's Peak Comment
  POM209636  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 12 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  RSA164627  Arctostaphylos canescens subsp. canescens P. C. Everett 1963-11-21 11807 Sonoma Rincon Ridge, now Robt. Sones' residence, ca. 3 mi. ne. of Sasnta Rosa. 145 Comment
  UCD110448  Arctostaphylos canescens subsp. canescens Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC23897  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10944 Sonoma Rincon Ridge, near Santa Rosa Comment
  LA42280  Arctostaphylos canescens subsp. sonomensis H. F. Copeland; 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa Comment
  UC1309655  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 876 Sonoma s edge Rincon Hills; Santa Rosa Quadrangle 121 Comment
  UC1309670  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1575 A Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge 152 Comment
  UC549638  Arctostaphylos columbiana J. E. Adams 1935-3-28 735 Sonoma 10 mi n Fort Ross Comment
  CAS-BOT-BC24987  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5769 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC25025  Arctostaphylos densiflora John Thomas Howell 1963-11-21 421 Sonoma Vine Hill Rd. ca. 5 mi N past Pitkin Ranch. Comment
  RSA164632  Arctostaphylos densiflora Percy C. Everett 1963-11-21 24564 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  SBBG25391  Arctostaphylos densiflora R. Gankin 1957-11-1 247 Sonoma Vine Hill School Rd, 0.1 mi E of jct with Vine Hill Rd, ca. 10 mi W of Santa Rosa Comment
  JEPS83504  Arctostaphylos glandulosa Jack and Betty Guggolz 1986-3-8 854 Sonoma ne side of Rockpile Rd. 9.1-9.3 mi from jnt. Stewart's Point Rd. (ca 15 mi nw of Healdsburg) Comment
  SEINET11993015  Arctostaphylos glandulosa W. Knight, Knight, I.; Edwards, S. W. 1985-1 5173 Sonoma 7.7 mi from W end of Sonoma Lake bridge on Rockpile Rd Comment
  SEINET11984884  Arctostaphylos glandulosa f. cushingiana R. Gankin, Hildreth, W. R. 1967-1 1077 Sonoma near Rocky Mountain, N of Guerneville Comment
  SEINET11998394  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1987-1 6080 Sonoma adjacent to Pepperwood Prserve in Devils Kitchen Comment
  RSA631183  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24736 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24677  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Steve Edwards 1986-3-23 5366 Sonoma On Geysers Rd. near Mercuryville at junction of private road ro Sulphur Peak. 822 Comment
  RSA631194  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24735 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC39111  Arctostaphylos hispidula Roger Raiche 1984-1-14 40016 Sonoma Roackpile Road, 9/1 miles northwest of its intersection and beginnin at Stewarts Point-Skaggs Springs Road. 502 Comment
  CAS-BOT-BC39113  Arctostaphylos hispidula Roger Raiche 1984-2-3 40016 Sonoma Rockpile Road, 9/1 miles north from its intersection and beginning at Skaggs Spring-Stewarts Point Road. 502 Comment
  SEINET11993353  Arctostaphylos hispidula Unknown 1984-1 RR 40018 Sonoma Kelly Road (about 5.3 mi NW from intersection with Rockpile Rd) 518 Comment
  LA42191  Arctostaphylos manzanita H. F. Copeland; 1933-3-18 A 9 Sonoma Mt Hood, Residence of M. S. Baker, at W base Comment
  UC1614286  Arctostaphylos manzanita Charles M. Belshaw 1936-3-7 1560 Sonoma 1/4 mi w of Trenton Comment
  UCD160866  Arctostaphylos manzanita James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3304 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD166535  Arctostaphylos manzanita Dylan O. Burge 2016-1-31 2036 Sonoma Russian River Valley, just S of Hopland, roadside on U.S. Route 101. 170 Comment
  UCR278802  Arctostaphylos manzanita Ann Howald 2016-1-21 3553 Sonoma North Coast Ranges, Annapolis Ridge, c. 0.2 mile north of Annapolis Rd and 0.15 mile west of Soda Springs Rd. 236 Comment
  SEINET11998357  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. 1987-1 6336 Sonoma Pepperwood, Devil's Kitchen area 229 Comment
  SEINET12524597 Image available Arctostaphylos manzanita A. E. Wieslander 1936-1 709 Sonoma 2.7 miles south of Mark West Springs, T. 7N, R. 8W, Calistoga quadrangle. 152 Comment
  CAS-BOT-BC38907  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11305 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38948  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7950 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38655  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1937-4-11 12906 Sonoma M.S. Baker's place, sw. slope of Mt. Hood Comment
  CAS-BOT-BC38687  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5762 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC38705  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4762 Sonoma The Cedars, Twitchell Ranch 243 Comment
  CAS-BOT-BC38742  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1963-8-23 279 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC38744  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-4-1 5044 Sonoma Vine Hill Region Comment
  SBBG60025  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC205096  Arctostaphylos manzanita subsp. manzanita Katharine Brandegee Sonoma Mt. St. Helena Comment
  UC480591  Arctostaphylos manzanita subsp. manzanita Carl Meyer 1928-3-3 303 Sonoma Santa Rosa 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-BC38694  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Jacob Sigg 1981-3-11 4158 Sonoma From Strybing Arboretum, Golden Gate Park, San Francisco, #68-88, via Univ. of Cal. Davis, their #67.718. Comment
  CAS-BOT-BC38715  Arctostaphylos manzanita subsp. manzanita Gary D. Wallace 1974-12-23 1348 Sonoma NE of Occidental 2 mi on Grafton Rd. 152 Comment
  CAS-BOT-BC56921  Arctostaphylos nummularia Mary P. Wells 1983-8-4 s.n. Sonoma Stump Beach, Salt Point State Beach Comment
  CAS-BOT-BC45399  Arctostaphylos nummularia Mary P. Wells 1985-10-4 675 Sonoma Ca. 1 mi. s. of Gualala River. Comment
  RSA13419  Arctostaphylos patula H. F. Copeland 1933-3-18 A- 13 Sonoma Vine Hill region on College Avenue Highway, near Santa Rosa. Comment
  CAS-BOT-BC47341  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5777 Sonoma Vine Hill District, 10 mi. w. of Santa Rosa. Comment
  CAS-BOT-BC47343  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5764 Sonoma Rincon Ridge near Santa Rosa. Comment
  UCD53851  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 692 Sonoma On Rincon Ridge; near end of Parker Hill Road; ca. 4 miles north of Santa Rosa. Comment
  SFV8789  Arctostaphylos stanfordiana S. E. Wheaton 1966-3-27 28 Sonoma On low ridge overlooking Hooker Canyon near Cavedale Road. Comment
  POM131953  Arctostaphylos stanfordiana subsp. stanfordiana A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 10650 Sonoma Western base of Mt. Hood. Comment
  RSA297193  Arctostaphylos stanfordiana subsp. stanfordiana Edward Lee, W. A. Setchell 1936-6-7 2190 Sonoma South ridge fire trail, Bohemian Grove. 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
  CAS-BOT-BC400483  Aristolochia californica A. A. Heller; H. E. Brown 1902-3-12 5042 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  CAS-BOT-BC400489  Aristolochia californica John Thomas Howell 1934-2-22 11733 Sonoma Santa Rosa Comment
  SD147975  Armeria maritima subsp. californica L. Coats 1983-5-17 25 Sonoma Along Highway 1, 4.3 miles north of Salt Point State Park. 21 Comment
  CAS-BOT-BC167154  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CDA31283  Arnica discoidea D. G. Kelch, Ed Biffin 2010-5-3 10 .192-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CDA11042  Arnica discoidea G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 11422 Sonoma North Coast Biodiversity Arena; Cavedale Rd. 2.5 m. E of Hwy 12. Comment
  CAS-BOT-BC227670  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone marsh. Comment
  CAS-BOT-BC172579  Artemisia Peter Rubtzoff 1951-9-3 730 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC90487  Artemisia douglasiana Peter Rubtzoff 1951-9-2 699 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC90494  Artemisia douglasiana Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  SEINET258290  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10236 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  UCD151053  Asarum caudatum Mary M. Hektner 1976-5-13 256 Sonoma Sea Ranch, near State Highway 1. Comment
  UCD158841  Aspidotis densa James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2914 Sonoma North central part of Section 15, 0.25 mile south of Harness Camp and 2 miles west of The Geysers . (Elevation estimated by label maker using Google Earth.) 723 Comment
  RSA94282  Aster chilensis Peter Rubtzoff 1951-9-2 720 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC180465  Astragalus breweri Rimo Bacigalupi 1926-3-27 1250 Sonoma Damp adobe meadow opposite Myrtledale Guyser, 1 1/2 miles north of Calistoga Comment
  CAS-BOT-BC186825  Astragalus gambelianus Greg de Nevers 1993-5-30 10464 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Piny Canyon 457 Comment
  UC13433  Astragalus gambelianus E. L. Greene 1892-4-20 Sonoma Mt. St. Helena Comment
  RSA227215  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1958-8-23 3911 Sonoma Laguna de Santa Rosa east of Cunningham Comment
  RSA94287  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  UC1034625  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach at Salmon Creek; beach at Salmon Creek Comment
  SEINET11933972  Atriplex patula W. Knight, Knight, I. 1984-1 5419 Sonoma In flood plain along Petaluma River 3 Comment
  UCR248362  Atriplex prostrata Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh Comment
  UCD56267  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3563 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC98648  Baccharis douglasii G. DeNevers 1981-7-11 1746 A Sonoma Pepperwood Ranch - at the big spring at the Skovie Comment
  UCD148380  Baccharis glutinosa Peter Rubtzoff 1955-9-10 2129 Sonoma Guerneville Marsh. Comment
  CDA36850  Baccharis pilularis 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
  CDA13125  Beckmannia syzigachne G. F. Hrusa, R. Gross 1996-6-3 13060 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  POM206249  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, southeast of Santa Rosa. Comment
  POM210240  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  UCD56776  Beckmannia syzigachne G. F. Hrusa; R. Gross 1996-6-30 13060 Sonoma 2 mi. SW of Calistoga. Diamond Mountain Road. 700 Comment
  UCD56780  Beckmannia syzigachne A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3584 Sonoma On Occidental Road near Barstow Station. Comment
  CDA6862  Bellis perennis G. D. Barbe 1982-5-27 3616 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Skaggs Spring Road. 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-BC290651  Bidens laevis Peter Rubtzoff 1963-10-30 5300 Sonoma Bodega Head Marsh. Comment
  RSA0019009  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh. Comment
  JEPS37925  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8924 Sonoma s of, e of Arnold Dr, .7 mi n of junction of Arnold Dr with State Hwy 37 Sonoma Comment
  NY30993  Blennosperma bakeri M. S. Baker 1946-4-2 11307 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA0008302  Blennosperma bakeri Milo S. Baker 1952-3-20 12393 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur. Comment
  RSA0008303  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  RSA0008304  Blennosperma bakeri R. C. Bacigalupi, Ornduff, L. R. Heckard 1964-3-25 8924 Sonoma Along (east of) Arnold Dr., 0.7 miles north of its junction with Hwy 37, south of Sonoma Comment
  UC727776  Blennosperma nanum var. nanum Milo S. Baker 1946-4-21 11335 Sonoma near, along S.R.-Sonoma Hiwy. Old Dunbar School Comment
  UC518979  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma between Warfield and Kenwood, along highway Warfield Comment
  CAS-BOT-BC154976  Boisduvalia densiflora Peter Rubtzoff 1960-9-14 4556 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  CAS-BOT-BC154972  Boisduvalia glabella Peter Rubtzoff 1963-7-27 5212 Sonoma Laguna de Santa Rosa E of Graton. Comment
  RSA791566  Boisduvalia glabella Peter Rubtzoff 1962-6-21 4940 Sonoma Laguna de Santa Rosa area NE of Graton, E of Laguna Road. Comment
  CAS-BOT-BC28225  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-31 3684 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  CAS-BOT-BC31363  Bolboschoenus maritimus Gregory Clark de Nevers; S. Castagnoli 1981-8-2 1791 Sonoma On sand bar in Mark West Creek, at confluence with Leslie Creek. Comment
  CAS-BOT-BC329264  Bolboschoenus maritimus Peter Rubtzoff 1961-9-20 4750 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
  CAS-BOT-BC368070  Boykinia Greg de Nevers 1998-5-31 11268 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek below Michele Lane. 400 Comment
  UC570898  Boykinia occidentalis H. L. Mason 1928-7-11 4889 Sonoma canyon two mi n Fort Ross; n of Fort Ross Comment
  POM142185  Boykinia occidentalis Michener, Bioletti 1893-06 13 Sonoma Adobe Canyon Comment
  RSA331975  Boykinia occidentalis Dave Kelly, W. Wisura 1985-7-26 4058 Sonoma Sugarloaf Ridge State Park E of Santa Rosa. Comment
  CAS-BOT-BC145447  Brachypodium distachyon G. DeNevers 1981-9-12 1853 Sonoma Pepperwood Ranch. In Leslie Creek, near confluence with Mark West Creek. Comment
  CDA1770  Brachypodium distachyon G. D. Barbe 1984-6-13 4172 Sonoma Willow Creek Road between Bridge Haven (Highway 1) and Coleman Valley Road, west of Occidental. 0 Comment
  HREC396 Image available Brachypodium distachyon Kerry L. Heise 1997-5-8 2025 Sonoma IHRMP study site #6 Asti. 1 1/2 mi south of Asti. Comment
  CAS-BOT-BC145654  Brachypodium phoenicoides Mary P. Wells 1981-8-2 s.n. Sonoma Between end of Dune Drift and the sea near the hedgerow. The Sea Ranch. Comment
  CAS-BOT-BC36651  Brassica oleracea Mary P. Wells 1989-4-3 977 Sonoma Santa Rosa. Rincon Valley. Streamside of fence east of Friends House. Comment
  CAS-BOT-BC145483  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. Comment
  CAS-BOT-BC145484  Briza maxima Roxana S. Ferris; Laura Lorraine 1961-6-14 13530 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega. Comment
  SJSU810  Briza maxima A. W. Jacobs 1943-5-15 Sonoma near Forestville Comment
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Sep 17 2008
  UCD36534  Briza maxima Beecher Crampton 1954-4-26 1790 Sonoma Sonoma County, 9 miles southeast of Geyserville, along Highway 128, 0.5 mile north of Calistoga Road cutoff, on foothills facing Alexander Valley. Comment
  UCD36535  Briza maxima Beecher Crampton 1954-4-26 1792 Sonoma Sonoma County, 2 miles north Geyserville, along U.S. Highway 101. Comment
  UCD57133  Briza maxima B. Crampton 1954-4-26 1792 Sonoma U. S. Hwy. 101. 2 miles north of Geyserville. 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
  UCR218634  Briza maxima George K. Helmkamp, E. A. Helmkamp 2010-6-4 16204 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  SEINET11687425  Briza maxima F. H. Utech 1986-1 86 -109 Sonoma ca 3.5 mi NE on Cavedale Road from junction with CA 12 350 Comment
  CAS-BOT-BC145291  Briza minor G. DeNevers 1981-4-11 687 Sonoma Pepperwood Ranch. West of Goodman Homestead. Comment
  UCD151072  Brodiaea californica James A. Neilson Jr. 1974-6-1 2884 Sonoma Mayacmas Mountains, Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 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
  CAS-BOT-BC132208  Brodiaea californica var. leptandra Milo S. Baker 1925-6-1 234 a - local Sonoma Adobe [Canon] Canyon above Kenwood Sp. Comment
  CHSC22979  Brodiaea elegans Robert A. Schlising; Lloy Thurman 1962-6-15 2309 Sonoma Scaggs Springs Road, 12 mi W Jct with Dutcher Creek Road. Comment
  JEPS7639  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7658 Sonoma Mark West Springs Comment
  CAS-BOT-BC484388  Brodiaea elegans subsp. elegans James McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  CAS-BOT-BC484399  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6087 Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol Comment
  CAS-BOT-BC486541  Brodiaea elegans subsp. elegans Peter Rubtzoff; Nancy Harrison 1976-6-18 8644 Sonoma False Lake Meadow area, Annadel State Park Comment
  JEPS74720  Brodiaea leptandra W. L. Jepson 1923-6-28 10006 Sonoma Kenwood Sonoma Canyon 243 Comment
  UC72475  Brodiaea leptandra Milo S. Baker 1904-6-20 Sonoma near (hillside opposite) Maple Glen Comment
  UC1300938  Brodiaea terrestris subsp. terrestris Helen K. Sharsmith 1963-5-25 5485 Sonoma near Occidental (Occidental grade); San Francisco Bay Region 152 Comment
  UC353798  Brodiaea terrestris subsp. terrestris Milo S. Baker 1928-4-28 3002 b Sonoma Pitkin Swamp Comment
  CAS-BOT-BC149083  Bromus carinatus var. carinatus David L. Morgan 1961-4-15 s.n. Sonoma Bluffs, Bodega Bay. Comment
  CAS-BOT-BC149089  Bromus carinatus var. carinatus David L. Morgan 1956-4-16 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC149092  Bromus carinatus var. carinatus John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54667 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC149096  Bromus carinatus var. carinatus Lewis S. Rose 1962-4-18 62024 Sonoma 1 mile northwest of Freestone. 76 Comment
  CAS-BOT-BC149098  Bromus carinatus var. carinatus Roxana S. Ferris; Laura Lorraine 1961-6-14 13535 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  UC1155620  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3231 Sonoma 2.8 mi n of Occidental (on road to Monte Rio) Comment
  UC1155625  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3231 Sonoma 2.8 mi n of Occidental (on road to Monte Rio) Comment
  UC37621  Bromus carinatus var. carinatus H. N. Bolander 1864-1 3986 Sonoma Mark West Creek Comment
  CAS-BOT-BC149084  Bromus carinatus var. carinatus David L. Morgan 1961-4-26 s.n. Sonoma Marshal - Petaluma road 5 miles west of junction of Wilson Hill Road. Comment
  CAS-BOT-BC148787  Bromus carinatus var. marginatus A. A. Heller 5247 Sonoma Railroad cut 3 miles S of Healdsburg Comment
  UCD59229  Bromus carinatus var. marginatus Collector unknown 1941-3-1 Sonoma Santa Rosa Junior College. Comment
  CAS-BOT-BC156276  Bromus catharticus Catherine Best 1982-6-30 s.n. Sonoma At Bodega Bay. Comment
  UCD58378  Bromus catharticus Collector unknown 1941-7-1 Sonoma Santa Rosa. Comment
  CAS-BOT-BC155895  Bromus catharticus var. elatus Lewis S. Rose 1952-4-18 62024 Sonoma 1 mile northwest of Freestone. 76 Comment
  OBI22459  Bromus catharticus var. elatus Lewis S. Rose 1952-4-18 62024 Sonoma 1 mi NW of Freestone 76 Comment
  RSA127002  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 miles S. W. of Healdsburg 152 Comment
  CAS-BOT-BC422358  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC155207  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  CAS-BOT-BC155210  Bromus hordeaceus Peter Rubtzoff 1951-6-16 238 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC155244  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  UC1037113  Bromus hordeaceus Leo Whitney 1935-3-16 2264 Sonoma near Occidental (Orchard, Sutherland Ranch); Orchard, Sutherland Ranch Comment
  CAS-BOT-BC155243  Bromus hordeaceus David L. Morgan 1956-4-5 s.n. Sonoma Petaluma. Mountain View Avenue. Comment
  CDA366  Bromus laevipes D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .27 Sonoma Cavedale Rd. Comment
  RSA126882  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma Three miles northwest of Graton. 61 Comment
  RSA74446  Bromus laevipes Milo S. Baker 1947-5-30 11778 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  UCD144423  Bromus laevipes Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1752 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  UCD58936  Bromus laevipes B. Crampton 1955-6-17 2977 Sonoma 2.4 miles south of Monte Rio. Comment
  UCD144422  Bromus laevipes Frederica Bowcutt 1996-5-19 2150 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
  UCD36537  Bromus madritensis subsp. madritensis Beecher Crampton 1954-4-26 1794 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  RSA126879  Bromus marginatus H. S. Yates 1937-5-31 6566 Sonoma 1 1/2 miles northeast of Petrified Forest. 335 Comment
  CAS-BOT-BC185425  Bromus vulgaris K. Wagnon 1939-5-14 197 Sonoma Eastern edge of Wagnon's rock quarry 5 mile west of Sebastopol. Comment
  RSA792287  Cakile maritima Peter Rubtzoff 1955-8-20 2078 Sonoma Bodega Harbor Marsh. Comment
  UCR254899  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  UC1153826  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma 8.6 mi. s. Stewart's Point (State Hwy. 1) Comment
  UC629977  Calamagrostis nutkaensis Leo F. Koch 1940-4-20 803 Sonoma along Hwy 1 nine mi s Stewarts Point Comment
  UCD57512  Calamagrostis nutkaensis Beecher Crampton 1957-7-11 4349 Sonoma ca. 9 miles north of Salmon Creek, just south of Goat Rock, Sonoma Coast State Park, above Blind Beach. Comment
  UCD57515  Calamagrostis nutkaensis Chris Bowen 1974-6-2 146 Sonoma near State Highway 1, Sea Ranch, Unit 7 Owners' Map, near Whaler's Reach. 30 Comment
  UCD57517  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 4012 Sonoma 10 miles north of Fort Ross. Comment
  UCR19364  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma North Coast, Jenner, slopes above sea bluffs 61 Comment
  OBI22358  Calamagrostis ophitidis Robert F. Hoover 1965-6-29 9475 Sonoma N of summit on Harrison Grade rd near Occidental Comment
  UC1300960  Calandrinia ciliata H. L. Mason 1963-2-24 Sonoma orchard of H. L. Mason Ranch Kenwood Comment
  RSA201793  Calendula arvensis W. R. Russell 1967-3-28 s.n. Sonoma At roadside near cemetery at N end of town, Sonoma. Comment
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Dec 8 2015
  JEPS86779  Callitriche verna Jack and Betty Guggolz 1990-4-29 1042 Sonoma about 1 mi s Dutcher Creek Road junction with Highway 101 (Gallo property on w side of Dutcher Creek Road) 106 Comment
  UCR25305  Callitriche verna John C. Roos 1957-7-2 6644 Sonoma Miller Ridge Comment
  JEPS101264  Calochortus amabilis Dean W. Taylor 1994-5-4 14221 Sonoma 1.8 mi N of Camp Meeker along Bohemian Hwy; Dutch Bill Cr drainage just downstream confluence with Duvol Creek 76 Comment
  JEPS128202  Calochortus amabilis Roger Raiche 2000-5-4 066 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS61627  Calochortus amabilis Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC843631  Calochortus amabilis Mrs. Eliz. Parsons Hawver Jun 1915 Sonoma Skaggs Springs Comment
  UCD160844  Calochortus amabilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3360 Sonoma One-quarter mile south of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker.) 457 Comment
  CAS-BOT-BC483283  Calochortus amabilis Roxana S. Ferris; Laura Lorraine 1961-6-15 13551 Sonoma Harrison Grade Road, 0.3 mile from junction with Green Valley Road Comment
  CAS-BOT-BC483284  Calochortus amabilis Elsa Ruckert 1960-4-29 57 -408 Sonoma Trinity Road, 1/4 mile north form Highway 12 152 Comment
  CAS-BOT-BC492632  Calochortus luteus D. E. Breedlove 1980-6-28 44808 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC492636  Calochortus luteus A. Day 1982-6-1 82 -62 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC492638  Calochortus luteus James L. Reveal 1987-6-7 6412 Sonoma Along Geysers Road, 4.4 miles east-southeast of U.S. Along Cavedlae Road, about 1.5 mile south of Trinity Road, in grassy open areas of heavy soil among Quercus and other chaparral species about 13 airline miles southeast of Santa Rosa 579 Comment
  SEINET7042394  Calochortus luteus 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-BC494039  Calochortus tolmiei Dorothy Scherer 1997-3-24 075 Sonoma Grassy area south of Kolmer Gulch and ca 300' east of Hwy one. Fort Ross State Historic Park 91 Comment
  CAS-BOT-BC270709  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 miles N of Occidental Comment
  UCD37346  Calycadenia oppositifolia Beecher Crampton 1959-6-16 5374 Sonoma 1 mile east of Occidental. Comment
Read comments
Oct 16 2018
  UC479413  Calycadenia pauciflora Marcus E. Jones, A. M. 1931-7-5 29125 Sonoma The Geysers Comment
  RSA0025118  Calycadenia truncata Peter Rubtzoff 1966-8-3 5779 Sonoma Going up Bennett Mountain from Lawndale to Bennett Mountain Lake. Comment
  SEINET9343982  Calycadenia truncata Unknown 1993-10-2 11423 Sonoma Sonoma Comment
  CAS-BOT-BC90987  Calycanthus occidentalis Peter Rubtzoff 1952-6-9 1189 Sonoma North slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC90992  Calycanthus occidentalis Peter Rubtzoff 1974-6-2 7529 Sonoma Upper Green Valley Marsh. Comment
  CDA17200  Calycanthus occidentalis G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16199 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  JEPS64306  Calypso bulbosa Vena Wiley 1908-1 Sonoma Cazadero Comment
  HSC96671  Calystegia collina subsp. oxyphylla Thomas W. Nelson, Jane Nelson 2004-5-5 9198 Sonoma Along Pine Flat Rd. 2 mi. from jct. with Hwy. 128 136 Comment
  JEPS83489  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1986-5-11 867 Sonoma On a low bank on the NE side of the road through Pine Flat Comment
  JEPS87231  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1989-4-23 999 Sonoma Just east of Deer Creek crossing of Pine Flat Road Comment
  CAS-BOT-BC223618  Calystegia collina subsp. oxyphylla Mrs. H. C. Cantelow 1938-5-15 2406 Sonoma 5 2/10 mi. s. of The Geysers Comment
  RSA289509  Calystegia purpurata Edward Lee 1936-6-7 2202 Sonoma South Ridge, Bohemian Grove. Comment
  CAS-BOT-BC224735  Calystegia purpurata subsp. saxicola Alice Eastwood 1899-4-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC498779  Camassia quamash subsp. linearis Peter Rubtzoff 1957-5-11 3326 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  HSC16502  Camissonia ovata R. F. Good 1962-4-20 1 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  UCD81450  Camissonia ovata M. Wiesendanger 1927-5-5 707 Sonoma Sonoma. Comment
  LA93755  Camissoniopsis cheiranthifolia David C. Fruchtenicht; 1965-5-1 54 Sonoma 60 yards from the sea, Marine Biological Station, Horseshoe Cove, Boedga Head 15 Comment
  UC1176931  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Joanne Taylor 1941-7-3 23 Sonoma Bodega Head 30 Comment
  CAS-BOT-BC160363  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Milo S. Baker 1925-1-1 s.n. Sonoma Near Bodega Bay Comment
  CAS-BOT-BC160364  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma Between town of Bodega Bay and Bodega Head Comment
  CAS-BOT-BC266423  Campanula californica Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  HSC95909  Campanula californica Melissa Brooks, Colette Beaupre 2000-7-20 Sonoma Near Sea Ranch, on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M. 61 Comment
  JEPS54477  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (Pitkin Marsh, near e end of Templeton Road); Pitkin Marsh 45 Comment
  CAS-BOT-BC266424  Campanula californica John Thomas Howell 1945-8-14 21402 Sonoma Perry Marsh Comment
  CAS-BOT-BC183626  Capsella bursa-pastoris Peter Rubtzoff 1958-8-9 3841 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC37197  Capsella bursa-pastoris G. DeNevers 1981-4-23 797 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  HSC6632  Capsella bursa-pastoris C. S. Chavez 1965-6-3 79 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  CAS-BOT-BC37761  Cardamine californica Milo S. Baker 1924-4-27 Local 104 c-24 Sonoma Coopers Grove. Comment
  CAS-BOT-BC37763  Cardamine californica Alice Eastwood 1921-4-24 10387 Sonoma Santa Rosa. Comment
  CAS-BOT-BC37777  Cardamine californica L. R. Abrams 1918-4-27 6910 Sonoma Independence School near Healdsburg. Comment
  UCD114189  Cardamine californica Mary M. Hektner 1976-4-3 236 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS46177  Cardamine californica var. integrifolia Eleanor Armstrong 1933-4-2 698 Sonoma Camp Meeker 30 Comment
  RSA128603  Cardamine californica var. integrifolia P. H. Raven 1950-4-6 1558 Sonoma Cotati to Santa Rosa. 46 Comment
  RSA177957  Cardamine californica var. integrifolia R. F. Thorne 1965-4-20 34330 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA177977  Cardamine californica var. integrifolia R. F. Thorne 1965-4-19 34303 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CDA16135  Cardamine hirsuta G. F. Hrusa 1999-2-26 14925 Sonoma North Coast Ranges; Foote Ranch, NW base of Mt. St. Helena, near corner of Hwy 128 and Ida Clayton Rd. 152 Comment
  CAS-BOT-BC38036  Cardamine oligosperma G. DeNevers 1981-3-30 583 Sonoma Pepperwood Ranch. At Garrison House. Comment
  CAS-BOT-BC38039  Cardamine oligosperma W. R. Dudley 1894-5-1 s.n. Sonoma Mountains west of Calistoga. Comment
  RSA73977  Cardamine oligosperma Milo S. Baker 1952-3-20 12391 Sonoma Western outskirts of Sonoma on 5th St. near Bettencourt Comment
  UC963900  Cardamine oligosperma Milo S. Baker Apr 1946 11309 Sonoma Brookside Garden near Kenwood; Brookside Garden near Kenwood Comment
  CAS-BOT-BC384863  Cardionema ramosissimum John H. Thomas 1976-6-15 18289 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC384864  Cardionema ramosissimum Lewis S. Rose 1956-7-16 56129 Sonoma Bodega Point 9 Comment
  UCD148424  Carduus Peter Rubtzoff 1960-5-15 4327 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC282948  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  CDA37719  Carduus pycnocephalus Robin Breckenridge 2008-7-15 s.n. Sonoma Bodega; Bodega Dunes State Park. 0 Comment
  UCD85585  Carduus pycnocephalus Peta Lewis 1967-5-13 13 Sonoma ca. 2 miles east on River Road, 3 miles north of Guerneville. 22 Comment
  UCD159445  Carduus pycnocephalus subsp. pycnocephalus D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 202 Sonoma Near Sonoma state beach hiking trail. Abundant. 40 Comment
  CAS-BOT-BC18190  Carex Mary P. Wells 1985-7-11 558 Sonoma Pilot's Reach. The Sea Ranch. Comment
  RSA74051  Carex Milo S. Baker 1947-6-26 11830 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  UCD161772  Carex James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD164101  Carex Peter Rubtzoff; Nancy Harrison 1978-5-20 9184 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  UCR254828  Carex abrupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC334522  Carex abrupta Peter Rubtzoff 1957-6-28 3376 Sonoma Duncans Mills Marsh. Comment
  UCD112451  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC290554  Carex barbarae Peter Rubtzoff 1975-7-3 8152 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC350810  Carex barbarae Peter Rubtzoff 1958-7-26 3800 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS63751  Carex barbarae R. Kuhn 1913-6-27 Sonoma Sonoma Comment
  CAS-BOT-BC19372  Carex barbarae Bioletti 1893-6-1 s.n. Sonoma Los Guilicos Valley. Comment
  CAS-BOT-BC19374  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  HSC101105  Carex barbarae Peter Warner 2011-6-1 211 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Springs Rd. at Mark West Lodge); on E bank of Mark West Creek, about 150 m NNE of Pelm house. 211 Comment
  RSA0031800  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncans Mills Marsh. Upper portion of the marsh. 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-BC110185  Carex buxbaumii Peter Rubtzoff 1952-5-10 1004 Sonoma Ptikin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC34425  Carex cusickii John Thomas Howell; J. W. Stacey 1936-7-26 12683 Sonoma Pitkin Marsh. 5 miles north of Sebastopol. Comment
  CAS-BOT-BC20495  Carex densa Peter Rubtzoff 1959-5-30 4064 Sonoma Sonoma County Marshes. Freestone Marsh. Comment
  CAS-BOT-BC246548  Carex densa Peter Rubtzoff 1960-5-15 4324 Sonoma Fife Creek Marsh Comment
  UCD112441  Carex densa Peter Rubtzoff 1975-7-3 8150 Sonoma Kenwood Marsh. Comment
  UCSC000112  Carex dudleyi Coll. Klimansky 1934-4-30 s.n. Sonoma Llano road Comment
  CAS-BOT-BC329293  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC290553  Carex exsiccata Peter Rubtzoff 1958-5-17 3668 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC329294  Carex exsiccata Peter Rubtzoff 1959-4-18 4024 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 mi. north of Guerneville Road crossing. Comment
  RSA0015632  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh. Comment
  RSA52330  Carex exsiccata J. T. Howell 1946-8-17 22858 Sonoma The Laguna east of Sebastopol Comment
  CAS-BOT-BC311828  Carex feta Peter Rubtzoff 1974-6-2 7508 Sonoma Upper Green Valley Marsh. Comment
  UCD140314  Carex feta M. Wiesendanger 1927-5-5 720 Sonoma Kenwood Springs. Comment
  RSA177947  Carex globosa Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 1/2 mile E of Stoetz Road. 152 Comment
  CAS-BOT-BC28328  Carex gracilior John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54018 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 mi NE of Penngrove 457 Comment
  CAS-BOT-BC28367  Carex gracilior Peter Rubtzoff 1954-7-20 1500 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC28373  Carex gracilior John Thomas Howell 1938-7-3 13966 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC26256  Carex gracilior H. N. Bolander 3822 Sonoma unspecified Comment
  CAS-BOT-BC28371  Carex gracilior Gregory Clark de Nevers 1981-4-11 681 Sonoma In wet meadow S of 3 Tree Hill. Comment
  UCR248717  Carex gynodynama Peter Rubtzoff 1959-5-31 4085 Sonoma Freestone Marsh 79 Comment
  RSA0022387  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Sonoma County: Freestone marsh Comment
  CAS-BOT-BC21899  Carex harfordii John Thomas Howell 1945-5-30 20890 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC21901  Carex harfordii J. W. Congdon 1880-5-12 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC21903  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh. In upper portions of the marsh. Comment
  CAS-BOT-BC21911  Carex harfordii Peter Rubtzoff 1952-5-10 1002 Sonoma The Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  RSA0022420  Carex hassei Peter Rubtzoff 1963-7-6 5194 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  RSA115456  Carex hendersonii Beecher Crampton 1955-6-17 2953 Sonoma 4.5 miles south of Cazadero. Comment
  SEINET1783034  Carex lacunarum A. A. Heller 1902-7-1 5797 Sonoma At Sebastopol. Comment
  CAS-BOT-BC311822  Carex lasiocarpa Peter Rubtzoff 1966-6-5 5762 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC31175  Carex lemmonii R. F. Hoover 1939-5-30 4111 Sonoma Perry's Ranch near Sebastopol. Comment
  HSC7141  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay swamp 2 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
  UCR249080  Carex leptopoda Peter Rubtzoff 1964-6-24 5374 Sonoma Lower Salmon Creek Marsh 6 Comment
  SEINET10894836  Carex leptopoda Lewis S. Rose 1964-6-3 Rose 64051 Sonoma N. end of Bodega Bay swamp. 2 Comment
  JEPS128344  Carex mendocinensis Roger Raiche 2000-4-8 022 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  HSC100971  Carex multicaulis Peter Warner 2011-5-26 210 Sonoma Cresta Ranch, (off Mark West Springs Rd. at Mark West Lodge) ~550 m South of Cresta Rd. 265 Comment
  CHSC33993  Carex nudata J. D. Prouty 1980-4-12 860 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi w of junction with Petrified Forest Road. 256 Comment
  SD88337  Carex obnupta Darley F. Howe 1972-5-2 Sonoma Duncan Mills Pond. Comment
  CAS-BOT-BC118939  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  UC1147827  Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  UCD167210  Carex serratodens James Neilson 1977-4-24 3883 Sonoma Mayacmas Mountains, south side of Pine Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCR248724  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh 305 Comment
  CAS-BOT-BC26247  Carex sonomensis John Thomas Howell; J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  RSA0000227  Carex sonomensis J. T. Howell, J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC117341  Carex stipata Peter Rubtzoff 1951-6-7 143 Sonoma Pitkin marsh, near Forestville. Branch of the Upper marsh. Comment
  CAS-BOT-BC329282  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  UC1133459  Carex stipata var. stipata H. S. Yates 1936-5-16 5604 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quadrangle Comment
  CAS-BOT-BC115833  Carex subfusca Peter Rubtzoff 1976-5-30 8566 Sonoma Kenwood Marsh. Comment
  SEINET3910200  Carex tracyi Lewis S. Rose 1955-6-2 55060 Sonoma Pitkin Marsh, w. of Vine Hill Road. 10 mi. w. of Santa Rosa.; 0 30 Comment
  CAS-BOT-BC329286  Carex tumulicola Peter Rubtzoff 1958-5-3 3620 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC329288  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC350937  Carex tumulicola Peter Rubtzoff 1959-5-31 4076 Sonoma Freestone Marsh. Comment
  UCR248871  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  UCD19304  Carpobrotus edulis Terry Reedy 1974-5-11 204 Sonoma Bodega Head, between road and freshwater marsh. 3 Comment
  RSA269282  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma S21, T5N, R8W, N side of Valley Ford Road, 6 miles W of Petaluma. Comment
  CAS-BOT-BC371467  Caryophyllaceae Greg de Nevers 1993-5-30 10468 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  CAS-BOT-BC249236  Castilleja affinis Milo S. Baker 1924-4-27 102 Local-'24 Sonoma Road to Coopers Grove Comment
  CAS-BOT-BC249238  Castilleja affinis A. A. Heller; H. E. Brown 1902-4-2 5200 Sonoma Hills Northeast of Santa Rosa Comment
  SEINET7042572  Castilleja affinis A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  POM179718  Castilleja ambigua subsp. ambigua J. T. Howell 1930-6-8 5293 Sonoma 4 miles north of Bodega Bay. Comment
  JEPS9948  Castilleja attenuata W. L. Jepson 1921-5-6 9188 Sonoma Porter Creek 365 Comment
  POM15642  Castilleja densiflora subsp. densiflora A. A. Heller, H. E. Brown 1902-4-16 13150 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC243852  Castilleja latifolia Ella Dales Cantelow 1938-5-7 2413 Sonoma 4 1/2 mi. NW of Bodega Comment
  CAS-BOT-BC243856  Castilleja latifolia John Thomas Howell 1934-3-3 11735 Sonoma Bodega Bay Comment
  CAS-BOT-BC243858  Castilleja latifolia John Thomas Howell 1930-7-27 5412 Sonoma 4 miles north of Bodega Bay Comment
  SD38268  Castilleja latifolia Edith A. Purer 1932-7-21 4055 Sonoma Bodega bay, sandy bluff Comment
  JEPS35570  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1384 Sonoma about 2.5 mi n mouth of Russian River (slope back from the ocean in Russian Gulch, near point where highway loops back w); Russian Gulch 91 Comment
  JEPS116517  Castilleja subinclusa subsp. franciscana Peter Warner 2009-6-3 103 Sonoma Poff Ranch, Wright Hill Road E about 1 mi off State Hwy 1, in grassland 50 m ESE of main (west) gate 250 Comment
  UC1191869  Castilleja uliginosa Herbert L. Mason 1946-7-4 12892 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  RSA700516  Castilleja wightii Noel Holmgren, James L. Reveal 1966-6-6 2650 Sonoma California 1, 2 miles south of California 116 junction. Comment
  SEINET12347379  Castilleja wightii F. H. Utech 1988-5-21 88 -223 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  UCSB5988  Castilleja wightii Keator, Glenn 1958-6-17 Sonoma Near the northern end of Tomales Bay Comment
  CAS-BOT-BC47798  Ceanothus John Thomas Howell 1935-5-5 12613 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  JEPS81592  Ceanothus confusus R. Raiche and K. Zadnik 1982-3-27 20251 Sonoma NW of Hood Mountain (Rincon Ridge) Comment
  UC73361  Ceanothus confusus Milo S. Baker 1899-2-22 Sonoma Mt. Hood Comment
  UCD111362  Ceanothus confusus G. F. Hrusa; R. Gross 1995-11-8 12469 Sonoma on N side of Adobe Canyon Road. 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
  UC870541  Ceanothus divergens Milo S. Baker 1940-1-1 9588 Sonoma rd. from Calistoga towards Franz Valley (near School House) Comment
  UC579345  Ceanothus foliosus C. M. Belshaw 1936-3-7 1569 Sonoma Vine Hill Sebastopol quad. Comment
  SEINET12210993  Ceanothus foliosus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -102 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC64420  Ceanothus foliosus subsp. vineatus Walter Knight; Irja Knight 1963-11-21 415 Sonoma Vine Hill School Rd. 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-BC49910  Ceanothus foliosus var. foliosus A. A. Heller; H. E. Brown 1902-5-29 5619 Sonoma Mt. Hood Comment
  JEPS128309  Ceanothus foliosus var. foliosus Roger Raiche 2000-5-21 101 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this not the name on USGS topo sheets.) Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC49908  Ceanothus foliosus var. foliosus Michener; Bioletti 1892-5-1 s.n. Sonoma S.L.G. Comment
  RSA164633  Ceanothus foliosus var. vineatus Percy C. Everett 1963-11-21 24563 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  JEPS42421  Ceanothus gloriosus F. W. Hoffman 1928-3-30 Sonoma Lone Mountain Farm Guerneville Comment
  UCR131683  Ceanothus gloriosus subsp. exaltatus C. B. Wolf 1941-7-30 11108 Sonoma along coast, 8.5 miles south of Stewarts Point at entrance to Salt Point Ranch 30 Comment
  CAS-BOT-BC49947  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6693 Sonoma Arroyos, Vine Hill district, 9 miles west of Santa Rosa Comment
  SD42465  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma Along coast, 8I(c) mi. S. Stewarts Poimt at entrance to Salt Point Ranch 29 Comment
  UC604114  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 164 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  UC604115  Ceanothus gloriosus var. exaltatus Leo Koch 1938-3-30 72 Sonoma Santa Rosa Junior College Campus. Beside north entrance. Vine Hill region Comment
  UC774509  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 4389 Sonoma Along coast 8 1/2 mi S Stewarts Point at entrance to Salt Point Ranch. 30 Comment
  POM215713  Ceanothus gloriosus var. exaltatus Jens 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 (off hwy) Comment
  RSA285634  Ceanothus gloriosus var. exaltatus D. C. Michener 1982-7-26 4119 Sonoma Frei road 0.1 mile east of jct with Hwy 166 (east of Graton) Comment
  CAS-BOT-BC49978  Ceanothus gloriosus var. gloriosus John Madison; Mary P. Wells; Mary Rhyne 1985-11-4 699 Sonoma Pygmy Forest ca. 1/2 mi. South of the Gualala River Comment
  RSA300955  Ceanothus griseus D. C. Michener 1982-7-26 4123 Sonoma Gualala Point county Park Comment
  UC486541  Ceanothus griseus Mrs. G. Earle Kelly 1932-6-13 Sonoma 4.5 mi n Ft. Ross Comment
  UC1070747  Ceanothus incanus H. S. Yates 1934-4-21 3782 Sonoma Near Freestone 60 Comment
  UCD158880  Ceanothus incanus James A. Neilson Jr. 1975-1-23 3124 Sonoma Mayacmas Mountains. One-quarter mile south of Little Sulphur Creek crossing., Healdsburg- Geysers Road. (Elevation estimated using topo map by label maker.) 731 Comment
  SD56785  Ceanothus integerrimus var. macrothyrsus Darley F. Howe 1963-5-23 3529 Sonoma 4 mi. no. of Cloverdale on #128 334 Comment
  RSA178027  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCD123963  Ceanothus jepsonii D. O. Burge and K. B. Schroeder 2008-3-7 979 c Sonoma Ridge NW of Duvoul Creek, near confluence with Dutch Bill Creek, roadside on Bohemian Highway, between Camp Meeker and Monte Rio, 7.6 road miles (12.2 km) north of intersection with SR 12, near BM 136, 2.97 km 320 deg. (True) NNW of Camp Meeker. 50 Comment
  UCD168054  Ceanothus jepsonii James Neilson 1978-6-9 3964 Sonoma Mayacmas Mountains, Shell Well Site E. Bear Ridge. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  SACT002940  Ceanothus jepsonii J. Mensch 1963-4-10 Sonoma 15 miles east of Stewarts Point on road from Geyserville. Comment
  SEINET12211130  Ceanothus jepsonii var. albiflorus Unknown 1985-1 50182 Sonoma Dry Cr. area nr Healdsburg, ridge W of Dry Cr Valley, unnamed road n of Dorman Cyn 244 Comment
  CAS-BOT-BC51892  Ceanothus parryi A. A. Heller; H. E. Brown 1902-4-22 5337 Sonoma Between Santa Rosa and Agua Caliente Comment
  CAS-BOT-BC51894  Ceanothus parryi Rimo Bacigalupi 1926-5-2 1396 Sonoma Cazadero Comment
  UC1299539  Ceanothus parryi Freed W. Hoffman 1947-5-30 521 Sonoma Layton Mine North Coast Ranges, Austin Creek (Austin Creek) Comment
  LA44884  Ceanothus parryi Henry Reents; 1936-4-4 sn Sonoma Along Rutherford Rd., 2 mi. E. of Glen Ellen Comment
  RSA32475  Ceanothus parryi Leo Koch 1939-05 631 Sonoma Campus of Santa Rosa Junior college, from Transplant near Qecidental Comment
  UCD112485  Ceanothus parryi Collector unknown Date unknown s.n. Sonoma S.W. part of county. Comment
  UC1193290  Ceanothus prostratus R. H. Neuns 1950-5-17 112 Sonoma 4 mi airline from the Geysers (Sonoma-Lake County line); Quad. 60B4, 4 mi from the Geysers 990 Comment
  CAS-BOT-BC83740  Ceanothus sonomensis D. O. Burge; Steven Kembel 2008-5-29 1002 b Sonoma Sonoma Mountains, Annadel State Park 330 Comment
  SEINET12210980  Ceanothus sonomensis W. Knight, Knight, I.; Howell, J. T. 1984-1 5076 Sonoma Cavedale Road., near Macnab cypresses 640 Comment
  CAS-BOT-BC52347  Ceanothus thyrsiflorus Mary P. Wells 1985-9-13 654 Sonoma Forest no. of junction of Timber Ridge and Longmeadow Roads, The Sea Ranch Comment
  JEPS44152  Centaurea melitensis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio Gurneville; Russian River Comment
  UCD161376  Centaurea melitensis James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, above Cloverdale Mine, (Elevation and exact location estimated by label maker.) 731 Comment
  UC30935  Centaurea solstitialis Alice King 1896-9-1 Sonoma Healdsburg Comment
  CAS-BOT-BC288817  Centromadia fitchii Helen D. Geis 1902-1-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC271541  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC251266  Cerastium Peter Rubtzoff 1959-6-20 4186 Sonoma Willow Creek Marsh. Comment
  RSA800604  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC384971  Cerastium arvense A. A. Heller; H. E. Brown 1902-4-11 5269 Sonoma Bodega Bay Comment
  UC8239  Cerastium arvense Harley P. Chandler 1900-5-25 714 Sonoma Bodega Bay Comment
  HSC4104  Cerastium glomeratum F. Demostene 1966-4-1 2 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC400223  Ceratophyllum demersum Greg de Nevers 1991-8-8 9769 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In largest Double Pond 475 Comment
  CAS-BOT-BC400224  Ceratophyllum demersum Greg de Nevers 1996-10-18 10888 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  CAS-BOT-BC400230  Ceratophyllum demersum Peter Rubtzoff 1955-7-16 1969 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC135417  Cercocarpus betuloides var. betuloides Mary P. Wells 1987-3-27 878 Sonoma By West Soda Creek Road on cliff above Russian River Comment
  UCD130399  Chamaemelum fuscatum Rimo Bacigalupi 1948-4-4 2870 Sonoma about 2 miles south of Asti, along U.S. Highway 101. Comment
  UCD167341  Chamaemelum fuscatum James Neilson 1980-5-1 3427 Sonoma Mayacmas Mountains. about 1 mi. southwest of Geysers Resort off of Geysers-Healdsburg Rd. Ranch 1 mile south old Mercuryville. (Exact location unknown. Coordinates estimated by label maker. Neilson probably meant 1 mile north of old Mercuryville.) Comment
  CDA3034  Chenopodium berlandieri var. zschackei Peter Rubtzoff 1956-9-14 2879 Sonoma Vacation Beach, near Guerneville. 0 Comment
  RSA756235  Chenopodium botrys Barbara Ertter 1988-11-5 8029 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  UC1010424  Chenopodium californicum Milo Baker 1930-4-15 3953 Sonoma beach near Salmon Cr.; North Bay Counties Comment
  UC1563922  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma ca 5 mi due s Cloverdale (point below Little Flat parking area, Lake Sonoma, w of bridge); Lake Sonoma 152 Comment
  CAS-BOT-BC499255  Chlorogalum pomeridianum Peter Rubtzoff 1951-7-14 476 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  LA206575  Chorizanthe cuspidata var. cuspidata John Thomas Howell; 1930-6-8 5217 Sonoma N end of Bodega Bay Comment
Read comments
Feb 25 2015
  CAS-BOT-BC376251  Chorizanthe membranacea Greg de Nevers 1995-5-2 10717 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. On south slope of rock west of High Hill 487 Comment
  UCD110111  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  CAS-BOT-BC251227  Chrysopsis Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 miles SW of the Russian River bridge in Hacienda. Comment
  CAS-BOT-BC285252  Cichorium intybus Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5857 Sonoma Llano Road 45 Comment
  RSA791554  Cichorium intybus Peter Rubtzoff 1966-8-25 5808 Sonoma Marshes: Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  RSA135376  Circaea alpina subsp. pacifica Volney Rattan 1877-6-13 s.n. Sonoma Guernville Comment
  UCR249331  Cirsium Peter Rubtzoff 1962-6-13 4899 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC173549  Cirsium Peter Rubtzoff 1970-9-3 6368 Sonoma Hillside marsh above Shell Beach in Sonoma Coast State Beach area. Comment
  POM179716  Cirsium brevistylum J. T. Howell 1930-6-8 5245 Sonoma 2 miles east of Bodega. Comment
  UC1357630  Cirsium douglasii var. douglasii R. F. Hoover 1966-6-17 9914 Sonoma n of Alexander Valley; Sausal Creek Comment
  CAS-BOT-BC280370  Cirsium occidentale var. venustum D. E. Breedlove 1980-6-27 44755 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD158724  Cirsium occidentale var. venustum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. 822 Comment
  UCD159440  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 197 Sonoma Roadside population along road leading to Bodega Marine Labs. Abundant. 7 Comment
  CAS-BOT-BC169773  Cistanthe quadripetala Roger Raiche 1984-6-9 40204 Sonoma Mayacamas Mts., NW of fireroad at summit from end of Pine Flat Rd. (N of Socrates Mine) 975 Comment
  CAS-BOT-BC169774  Cistanthe quadripetala Maxine Wilkes 1940-5-1 s.n. Sonoma Mt. St. Helena Comment
  SD39468  Clarkia amoena subsp. amoena Edith A. Purer 1932-7-14 Sonoma Between Bodega Bay and Santa Rosa Comment
  CAS-BOT-BC161046  Clarkia amoena subsp. amoena Alva Day 1982-6-1 82 -68 Sonoma Pepperwood Ranch. Franz Valley Rd. Comment
  CAS-BOT-BC161048  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-6 6085 Sonoma Alder Glen Springs Comment
  RSA32039  Clarkia amoena subsp. amoena Katherine Brandegee 1905-06 s.n. Sonoma Bodega Bay Comment
  RSA458845  Clarkia amoena subsp. amoena Unspecified 1941-6-20 s.n. Sonoma Between Santa Rosa and Ukiah, Highway 101 Comment
  SEINET4143367  Clarkia amoena subsp. amoena K. Brandegee s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC172222  Clarkia concinna Mrs. E. C. Sutliffe 1894-5-15 s.n. Sonoma Cazadero Comment
  UCD160835  Clarkia concinna James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3358 Sonoma Section 10, on the Geysers Road, 1/4 mile west of Eagle Rock. (Elevation and coordinates estimated by label maker.) 396 Comment
  UCSB4289  Clarkia concinna Haller, John 1960-5-28 Sonoma 2.5 miles northwest of US 101; 3.5 miles northwest of Cloverdale; on California 128 152 Comment
  UC725785  Clarkia concinna subsp. concinna A. A. Heller 1940-5-10 15600 Sonoma near Fort Ross Comment
  RSA209516  Clarkia concinna subsp. concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mountain, near Healdsburg Comment
  UCD104043  Clarkia davyi Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 30 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD104540  Clarkia gracilis Frederica Bowcutt 1994-5-21 1810 a 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 and about 18 air miles NW of Napa. Along meadow trail appx. 3/4 mile from trailhead. 396 Comment
  UC1238040  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma near Pitkin Marsh (near, at 4551 Vine Hill Road, very near type locality) Comment
  CAS-BOT-BC163472  Clarkia purpurea subsp. quadrivulnera Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  UC20370  Clarkia purpurea subsp. quadrivulnera F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  UC930737  Clarkia purpurea subsp. quadrivulnera Alice Eastwood, John Thomas Howell 1939-6-11 7415 Sonoma near Triniti P.O.; Hood Mt. Range Comment
  CAS-BOT-BC165675  Clarkia unguiculata A. A. Heller 1902-6-11 5686 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  SEINET12194280  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -196 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 740 Comment
  SEINET12194281  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -156 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  CAS-BOT-BC439321  Claytonia exigua subsp. exigua D. E. Breedlove 1983-4-11 58683 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC439412  Claytonia gypsophiloides Ira L. Wiggins 1949-4-30 12062 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga Comment
  CAS-BOT-BC439416  Claytonia gypsophiloides M. S. Baker 1898-4-3 s.n. Sonoma Bet. Guerneville & Cazadero Comment
  SD130424  Claytonia gypsophiloides F. Alameda, G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch: along road to the Garrison Cabin at the SW sector of the ranch Comment
  UC1299361  Claytonia gypsophiloides Freed W. Hoffman 1947-3-5 811 Sonoma near Guerneville (Gilliam Creek); North Coast Ranges, Gilliam Creek Comment
  UC765773  Claytonia gypsophiloides R. F. Hoover 1939-4-18 4044 Sonoma 3 mi w Graton (on road to Occidental) Comment
  UC852065  Claytonia gypsophiloides Alice Eastwood 1918-5-1 6819 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC439399  Claytonia gypsophiloides Peter Rubtzoff 1957-5-26 3352 Sonoma Near Occidental - Graton road, 2.7 mi. east of Occidental. Comment
  CAS-BOT-BC443869  Claytonia sibirica Dorothy Scherer 1996-3-25 015 Sonoma Kolmer Gulch, west of Hwy 1 ca 250', Fort Ross State Historic Park 1 Comment
  UC72567  Claytonia sibirica Milo S. Baker 1898-4-5 3 Sonoma e of Stewart's Point (grade) Comment
  CAS-BOT-BC366861  Clematis lasiantha Greg de Nevers 1998-4-11 11152 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Neuman Center on Porter Creek Road 400 Comment
  RSA295  Clematis ligusticifolia E. R. Johnson 1928-8-22 1109 Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  RSA0017422  Clematis ligusticifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  SEINET12050385  Clintonia andrewsiana F. H. Utech 1988-1 88 -213 Sonoma Salt Point, along CA 1 between Jenner & Stewart's Point, Mile Marker 38.39 75 Comment
  UCD13248  Clintonia andrewsiana Becky Wilson 1973-5-31 115 Sonoma Canyon Rd, W of Geyserville. Comment
  SEINET8731907 Image available Collinsia greenei Helen K. Sharsmith 1952-1 4130 Sonoma About 0.8 mile west of junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains 914 Comment
  RSA94790  Collinsia sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay 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
  UC26647  Collinsia sparsiflora var. collina Alice King Apr. 1897 Sonoma Healdsburg Comment
  UCD151166  Collinsia sparsiflora var. sparsiflora James A. Neilson Jr. 1974-3-27 3016 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  SD6974  Collinsia tinctoria Michener, Bioletti 1892-7-4 1666 a Sonoma Shagg's Springs Comment
Read comments
Jun 10 2012
  CAS-BOT-BC229502  Collomia rawsoniana Walter Knight; Irja Knight; Tiffany Knight 1985-7-15 5144 Sonoma From garden of Knight, Petaluma Comment
  CAS-BOT-BC230698  Collomia rawsoniana Walter Knight; Irja Knight; Tiffany Knight 1985-7-15 5144 Sonoma From garden of Knight, Petaluma Comment
  CAS-BOT-BC286005  Conyza bonariensis Mary P. Wells 1988-9-7 966 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  CDA41356  Cordylanthus pilosus G. D. Barbe 1989-8-4 4356 Sonoma East of Dan Galvin Park, east of Matanzas Creek off Bennett Valley Road, south of Annadel State Park, South Santa Rosa. 0 Comment
  JEPS25067  Cordylanthus pilosus subsp. pilosus Joseph P. Tracy 1930-9-1 9172 Sonoma Knights Valley Northern Coast Ranges 182 Comment
  JEPS128252  Cordylanthus pringlei Roger Raiche 2000-7-15 140 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS83652  Cordylanthus pringlei R. Raiche 1987-6-20 70332 Sonoma N of Cazadero, The Cedars, Red Slide Creek at Rede Slice Falls. 304 Comment
  CDA30951  Cordylanthus tenuis subsp. brunneus D. G. Kelch, Troy McGregor 2010-8-22 10 .353 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  RSA537660  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1972-7-22 7075 Sonoma 2 miles N of Occidental on Harrison Grade Road Comment
  UC762589  Cordylanthus tenuis subsp. capillaris Robert F. Hoover 1941-6-7 5307 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  JEPS103956  Cordylanthus tenuis subsp. capillaris Jack and Betty Guggolz 1991-7-20 1211 Sonoma N end of a large serpentine meadow Comment
  RSA0057961  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  UCD117098  Cornus sericea subsp. occidentalis Peter Rubtzoff 1951-6-16 213 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  JEPS58665  Corylus californica W. L. Jepson 1923-7-20 10025 Sonoma Sonoma Canyon Comment
  CAS-BOT-BC376394  Cotoneaster Greg de Nevers 1994-3-26 10518 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  CAS-BOT-BC290299  Cotula coronopifolia Walter Knight; Irja Knight 1963-8-13 203 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC427659  Crassula aquatica Peter Rubtzoff 1969-6-14 6074 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  NY435883  Crataegus gaylussacia A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol. Comment
  RSA123352  Crataegus suksdorfii H. S. Yates 1934-4-21 3783 Sonoma Near Bodega. 61 Comment
  UCD116522  Crocanthemum scoparium Frederica Bowcutt 1994-6-25 1917 Sonoma 609 Comment
  SBBG32322  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  CDA36048  Crupina vulgaris CDFA Staff Sep 1976 Sonoma Santa Rosa. 0 Comment
  CDA4459  Crupina vulgaris L. Sonder 1990-1-25 Sonoma Annadel State Park, Santa Rosa. 0 Comment
  SEINET483798  Cryptantha leiocarpa F. R. Stermitz 1992-4-13 Sonoma Sand dune west of dormitories - Bodegee Bar reserve Comment
  SEINET10569437  Cupressus William H. Brewer 1861-11-9 Brewer s.n. 1861 Sonoma Near the little Geysers Comment
  CAS-BOT-BC80748  Cupressus macnabiana Walter Knight; Irja Knight 1964-1-18 523 Sonoma Head of Hooker Canyon, Cavedale Rd. 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
  SEINET11738930  Cupressus macnabiana W. Knight, Knight, I. 1981-1 3983 Sonoma 5.2 mi up Cavedale Road from jct of state route 12 Comment
  JEPS79415  Cupressus macrocarpa Edward Lee with W. A. Setchell 1936-6-7 2189 Sonoma South ridge Fire Trail Bohemian Grove (Bohemian Grove, lower trees forming a very extensive area) Comment
  CAS-BOT-BC85430  Cupressus sargentii W. Knight; Irja Knight 1964-11-15 799 Sonoma Hood's Peak - N.W. edge of meadow above Johnson Dam Comment
  CAS-BOT-BC85472  Cupressus sargentii J. Ed. McClellan; Mrs. J. Ed. McClellan 1975-1-11 s.n. Sonoma Harrison Grade Rd. Comment
  CAS-BOT-BC85474  Cupressus sargentii Lewis Samuel Rose 1955-7-11 55113 Sonoma 2 mi. e. of Occidental 243 Comment
  UCR255870  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Hwy 37, opposite Port Sonoma, Lower Ranch 1 Comment
  RSA120965  Cuscuta campestris Anita Noldeke 1956-7-24 s.n. Sonoma Sebastopol Comment
  UCD164540  Cuscuta campestris Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. Comment
  UCR280133  Cuscuta pentagona Peter Rubtzoff 1970-9-8 6384 Sonoma [River Road], sluggish tributary of Mark West Creek, c. 3 miles west of Fulton 24 Comment
  RSA126600  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1.5 miles northeast of Graton 30 Comment
  CAS-BOT-BC331482  Cynosurus Peter Rubtzoff 1969-8-29 6165 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC190430  Cynosurus echinatus G. DeNevers; M. Harding 1981-7-11 1757 Sonoma Pepperwood Ranch. In Garrison Canyon. Comment
  SD88320  Cynosurus echinatus D. F. Howe 1972-6-28 Sonoma 4.5 miles north of Jenner 121 Comment
  UC1146682  Cynosurus echinatus Freed W. Hoffman 1941-6-1 2186 Sonoma Oregon Canyon; North Coast Ranges, Oregon Canyon Comment
  UC576275  Cynosurus echinatus Virginia Bufford May 1936 Sonoma one mi nw Bodega Road; Sebastopol Quad. 60 Comment
  UCD60173  Cynosurus echinatus Rimo Bacigalupi; L. Heckard 1961-6-9 7743 Sonoma Near reservoir at head of North Fk. of Lancel Creek; just below the serpentine area along Stoeti Lane, about 1/2 mile northwest of its junction with Harrison Grade road, about 3/4 mile northwest of Occidental School. 222 Comment
  UCR248902  Cynosurus echinatus Peter Rubtzoff 1969-8-29 6165 Sonoma Along Salmon Creek, c. 0.5 miles upstream from Hwy #1 3 Comment
  CAS-BOT-BC114509  Cyperus eragrostis D. E. Breedlove 1980-6-27 44734 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC113906  Cyperus niger var. capitatus Peter Rubtzoff 1951-7-1 323 Sonoma Plants of the Pitkin Marsh, near Forestville. Lower part of the upper marsh. Comment
  CAS-BOT-BC113908  Cyperus niger var. capitatus Peter Rubtzoff 1953-11-1 1443 Sonoma Vacation Beach, Near Guerneville. Sandy beach of Russian River. Comment
  CAS-BOT-BC113902  Cyperus niger var. castaneus Milo S. Baker 1938-6-1 10184 Sonoma Wet spot Bennett Valley Road. Comment
  CAS-BOT-BC136481  Cypripedium montanum A. T. Graff 1926-4-1 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  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
  UC70410  Cytisus scoparius Milo S. Baker 1899-5-7 Sonoma near Occidental Comment
  UCD60289  Dactylis glomerata David L. Morgan 1961-4-26 s.n. Sonoma 6 mi. SW of Petaluma on Wilson Hill Rd., near junction of Petaluma--Pt. Reyes Rd. Comment
  RSA247453  Damasonium californicum Peter Rubtzoff 1970-6-6 6255 Sonoma At Marin Co ling on Tomales-Petaluma Road. Stemple Creek bed. Comment
  CAS-BOT-BC192279  Danthonia californica John Thomas Howell 1947-6-5 23246 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC192280  Danthonia californica John Thomas Howell 1935-5-5 12611 Sonoma 6 miles from Santa Rosa, on road to Sonoma Comment
  JEPS86300  Danthonia californica Jack and Betty Guggolz 1989-4-29 1002 Sonoma Comment
  UCD60460  Danthonia californica David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mile W of the junction of Arnold Dr. Comment
  UCD32895  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma Sonoma County, ca. 8.5 miles S.E. of Geyserville, south end of Alexander Valley, jct. of Calistoga (hwy. 128) and Chalk Hill roads. Comment
  SEINET10912493  Danthonia californica var. americana B. Crampton 1963-5-27 Crampton 6811 Sonoma Alexander Valley, state Hwy. 128, ca. 8 miles SE of Geyserville. Roadside ditch at base of foothill slope. Comment
  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
  UCR279632  Datura stramonium Peter Rubtzoff 1968-9-21 5986 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCR37765  Daucus carota A. C. Sanders 1985-1-19 5374 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  JEPS128203  Daucus pusillus Roger Raiche 2000-4-30 051 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  CHSC60191  Delphinium bakeri J. Lund 1980-4-12 Sonoma 0.1 mile west of Petrified Forest Road and Porter Creek Road junction. Comment
  CAS-BOT-BC9014  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay Comment
  CAS-BOT-BC9020  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9021  Delphinium decorum M. Hallet 1925-3-2 s.n. Sonoma Graton Comment
  JEPS6240  Delphinium hesperium M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 220 Sonoma between Guerneville and Monte Rio; Russian River Comment
  RSA149677  Delphinium hesperium C. Epling 1943-6-17 s.n. Sonoma Bodega Bay, 2 mile sE of bay at rock outcrops. Comment
  UC70363  Delphinium hesperium Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UCSB31450  Delphinium hesperium Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  UC726273  Delphinium hesperium subsp. hesperium A. A. Heller 1940-6-12 15724 Sonoma w of Two Rocks Comment
  UC1334519  Delphinium hesperium subsp. hesperium G. A. L. Mehlquist and J. A. Jenkins 1940-5-28 3 Sonoma 100 yds sw of Route 29 Mark West Mineral Spring Comment
  CAS-BOT-BC10098  Delphinium luteum John Thomas Howell 1930-6-8 5261 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC33152  Delphinium luteum Amos Arthur Heller; H. E. Brown 1902-4-11 5256 Sonoma Bodega Bay Comment
  JEPS23518  Delphinium luteum Vina Wiley Kraeger 1923-4-1 Sonoma Bodega Comment
  CAS-BOT-BC9898  Delphinium nudicaule Mary Hallett 1927-4-1 s.n. Sonoma Graton Comment
  JEPS128285  Delphinium nudicaule Roger Raiche 2005-4-9 007 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1542887  Delphinium nudicaule H. E. and S. T. Parks 1930-5-10 839 Sonoma Knights Valley 152 Comment
  UC906492  Delphinium nudicaule J. Ewan 1935-5-12 9234 Sonoma 1/4 mi from road on n side (mouth of creek on ne shore of bay); Bodega Bay, Salmon Creek Comment
  JEPS83462  Delphinium patens subsp. patens Jack and Betty Guggolz 1985-4-27 699 BG Sonoma e Spring Lake; Spring Meadows (tentative subdivision) Comment
  RSA0004632  Dendromecon myrtifolia A. A. Heller, H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood. Comment
  CAS-BOT-BC227655  Deschampsia cespitosa Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC1011016  Deschampsia cespitosa subsp. cespitosa Virginia Bufford 1936-5-19 283 Sonoma 10 mi. from Santa Rosa (Sonoma Mt. Rd.) Comment
  CAS-BOT-BC192609  Deschampsia cespitosa subsp. holciformis J. W. Congdon 1880-5-31 s.n. Sonoma Santa Rosa Comment
  UCD63789  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-5-23 Sonoma 4 mi. S of Jenner on State Highway 1. Comment
  UCD63798  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4334 Sonoma Sonoma Coast State Park, along State Hwy. 1, 1.3 miles north of Salmon Creek. Comment
  CAS-BOT-BC201647  Deschampsia danthonioides G. DeNevers 1981-6-20 1638 Sonoma NE end of Pepperwood, on the E Road to Knights Valley Comment
  CAS-BOT-BC210165  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6075 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. Comment
  CAS-BOT-BC201952  Deschampsia elongata Greg de Nevers 1996-6-17 10832 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  CAS-BOT-BC201956  Deschampsia elongata Roxana S. Ferris; Laura Lorraine 1961-6-14 13544 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  CAS-BOT-BC201958  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley near Santa Rosa Comment
  CAS-BOT-BC201971  Deschampsia elongata J. Burtt Davy 1896-7-1 s.n. Sonoma Near Guerneville Comment
  UCD63561  Deschampsia elongata Beecher Crampton 1955-6-17 2951 Sonoma 4.5 miles S of Cazadero. Comment
  SEINET11671649  Desmazeria rigida Unknown 1940-1 964 Sonoma Wood residence, 349 Second Ave, Santa Rosa Comment
  UCD63896  Desmazeria rigida Leo Koch 1940-5-19 964 Sonoma Backyard of Hattie Residence, 349 Second St., Santa Rosa. Comment
  CAS-BOT-BC208930  Dichanthelium acuminatum subsp. acuminatum Peter Rubtzoff 1951-6-30 295 Sonoma Western branch of NE Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC209246  Dichanthelium acuminatum subsp. acuminatum Leo Koch 1938-6-12 311 Sonoma Pitkin Marsh about 10 miles west of Santa Rosa Comment
  CAS-BOT-BC209248  Dichanthelium acuminatum subsp. acuminatum R. Spellenberg 1966-9-7 1618 Sonoma The Geysers, along Sulphur Creek downstream from the geysers area. 100 Comment
  CAS-BOT-BC253653  Dichanthelium acuminatum subsp. acuminatum Helen D. Geis 1902-7-1 s.n. Sonoma Russian River Comment
  RSA126986  Dichanthelium acuminatum var. fasciculatum H. S. Yates 1936-5-6 5589 Sonoma two miles southeast of Forestville 30 Comment
  POM89831  Dichanthelium acuminatum var. thermale Volney Rattan 1885-06 s.n. Sonoma Geysers. Comment
  RSA138062  Dichondra donelliana P. C. Everett, E. K. Balls 1959-10-27 23995 Sonoma 7.5 miles SE from Fort Ross along Hwy 1. 229 Comment
  SEINET10717803  Digitaria P. Rubtzoff 1971-8-23 Rubtzoff 6643 Sonoma Stony Point Road, just S of Hwy. 116. Comment
  CAS-BOT-BC176365  Digitaria sanguinalis Peter Rubtzoff 1962-8-24 5069 Sonoma Fife Creek Marsh. Comment
  UC1011018  Digitaria sanguinalis Virginia Bufford 1935-10-13 83 Sonoma Santa Rosa Comment
  SBBG21355  Diplacus aurantiacus V. Haraden 1941-7-13 Sonoma canyon, ca. 20 mi E of Bodega Bay 304 Comment
  CAS-BOT-BC151880  Diplacus congdonii Milo S. Baker 1927-4-12 2073 a Sonoma S.E. slope Hood's Peak 335 Comment
  UCD137487  Dipsacus sativus J. D. Skoss 1948-7-25 40 Sonoma Shellville. Comment
  UC429269  Disporum hookeri Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC331486  Distichlis Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road 0.8 miles southeast of Bodega Highway (Two Rock church). Comment
  UCD64619  Distichlis spicata var. stolonifera Mary M. Hektner 1976-8-26 263 Sonoma Walk-on-Beach, Sea Ranch, near Sate Highway 1, Unit 28 Owner's Map. Comment
  UCD78109  Dittrichia graveolens Robert E. Preston 1999-11-9 1252 Sonoma Windsor, on NW corner of jct Old Redwood Hwy and Arata Lane. T8N R9W N edge of Sec 11 39 Comment
  JEPS30786  Dodecatheon hendersonii G. Thomas Robbins 1937-3-25 12 Sonoma e Santa Rosa; Santa Rosa Creek Canyon, e of Santa Rosa Comment
  UCD151168  Dodecatheon hendersonii James A. Neilson Jr. 1974-3-27 s.n. Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  CDA13124  Downingia concolor G. F. Hrusa, R. Gross 1996-6-3 13059 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UC890619  Downingia concolor var. concolor Alice Eastwood and John Thomas Howell 1936-5-19 2508 Sonoma 2 mi n Windsor Comment
  POM59149  Downingia concolor var. concolor A. A. Heller, H. E. Brown 1902-6-2 s.n. Sonoma Santa Rosa. Comment
  UC28965  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley Comment
  JEPS103635  Downingia pusilla Lisa Schultheis 1995-5-15 148 -95 Sonoma Santa Rosa. Alton Lane, approximately 0.25 miles W of Fulton Road Comment
  JEPS77863  Downingia pusilla Robert M. Lloyd 1965-5-8 2527 Sonoma 3 mi n Highway 12 junction with Aqua Caliente Road (along Highway 12, meadow across from Lawrence Triangle End Garage) Comment
  UC28974  Downingia pusilla Michener and Bioletti May 1892 Sonoma Shellville; ; Shellville, Sonoma Co. Comment
  CAS-BOT-BC159445  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1952-6-10 1222 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC527348  Drymocallis glandulosa var. reflexa F. G. Krauss 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  RSA42006  Drymocallis glandulosa var. wrangelliana Ella Dales Cantelow 1938-5-7 2403 Sonoma 4.5 miles NM of Bodega Comment
  CAS-BOT-BC428377  Dudleya farinosa John H. Thomas 1976-6-15 18284 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  SD71429  Dysphania ambrosioides Peter Rubtzoff 1958-8-16 3867 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC210132  Echinochloa Peter Rubtzoff 1971-8-31 6663 Sonoma Todd Road near Stony Point Road. Comment
  CAS-BOT-BC176371  Echinochloa crus-galli Peter Rubtzoff 1955-9-10 2140 Sonoma East Guernewood, near Guerneville. Comment
  UCD148321  Echinochloa crus-galli Peter Rubtzoff 1953-11-1 1430 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD60852  Echinochloa crus-galli H. H. Wernland 1923-10-10 Sonoma Near Bodega. Comment
  UCD60857  Echinochloa crus-galli Freed W. Hoffman 1941-6-20 2090 Sonoma Oregon Canyon near Camp Meeker. Comment
  UCD60877  Echinochloa crus-galli Beecher Crampton 1960-11-29 5810 Sonoma 4 miles southeast of Santa Rosa, Matanzas Creek, 1/2 mile north Bennett Valley Grange Hall. Comment
  UCR74391  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay. Bay Flat Road, near Clark Marsh Comment
  RSA227243  Elatine heterandra Peter Rubtzoff 1964-7-14 5400 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC261655  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-5-26 7478 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UCD164979  Eleocharis Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7801 Sonoma Kenwood Marsh. Comment
  RSA800157  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC113725  Eleocharis acicularis LeRoy Abrams 1920-7-3 7614 Sonoma Stewarts Point. Comment
  CDA13127  Eleocharis acicularis G. F. Hrusa, R. Gross 1996-6-3 13062 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  CAS-BOT-BC113737  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1951-7-14 465 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. 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-BC112273  Eleocharis rostellata Peter Rubtzoff 1952-5-31 1127 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC112274  Eleocharis rostellata Peter Rubtzoff 1951-7-7 361 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC257701  Eleocharis rostellata Peter Rubtzoff 1973-9-9 7321 Sonoma Kenwood Marsh. Comment
  UCD49738  Eleocharis rostellata P. G. Connors 1991-5-24 111 Sonoma Location: BMR. Comment
  UC573713  Elymus glaucus H. S. Yates 1937-6-6 6580 Sonoma 8 mi sw Healdsburg; Healdsburg Quadrangle Comment
  UCD61803  Elymus glaucus Beecher Crampton 1959-6-16 5377 Sonoma 1 mile E of Occidental. Comment
  UCD61840  Elymus glaucus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-19 23 A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD62282  Elymus glaucus R. Tofsrud 1947-6-17 189 Sonoma Old Santa Rosa cemetery at end of Mc Donald Ave. Comment
  RSA126905  Elymus glaucus H. S. Yates 1937-6-5 6573 Sonoma 3 miles S.S.E of Wildwood; Santa Rosa 122 Comment
  RSA129232  Elymus glaucus H. S. Yates 1937-6-5 6574 Sonoma 3 miles S.S.E. of Wildwood; Santa Rosa 122 Comment
  CAS-BOT-BC203709  Elymus glaucus subsp. glaucus David L. Morgan 1956-5-13 s.n. Sonoma 2 mi. W. of Petaluma on I st. Ext. Comment
  CAS-BOT-BC203727  Elymus glaucus subsp. glaucus H. S. Yates 1937-6-5 20815 Sonoma 3 miles S. S. E. of Wildwood Comment
  UC76877  Elymus multisetus unknown July 1891 Sonoma Sonoma Comment
  UCD148371  Epilobium campestre Peter Rubtzoff 1955-8-6 2026 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC268058  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-7-20 5923 Sonoma Upper Salmon Creek Marsh. Comment
  UC455442  Epilobium ciliatum subsp. ciliatum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC728614  Epilobium ciliatum subsp. ciliatum Milo S. Baker 1945-8-14 11140 Sonoma on Gravenstein Hwy about 2 mi n Sebastopol (in marsh); Twin-Pine Ranch Comment
  RSA800034  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1692 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC300482  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh. Comment
  SD38384  Epilobium ciliatum subsp. watsonii Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay. Stabilized dunes. Comment
  UC582990  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-8 14312 Sonoma rocky bank Ft. Ross Comment
  RSA37531  Epilobium ciliatum subsp. watsonii J. Prosser, E. Cahill, E. Hallberg 1940-1 MSB- 9672 Sonoma Bodega Trip Comment
  RSA46765  Epilobium ciliatum subsp. watsonii L. S. Rose 1947-5-9 47136 Sonoma Bodega Bay 6 Comment
  UCD160922  Epilobium densiflorum James A. Neilson Jr. 1975-7-8 3413 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS128204  Epilobium minutum Roger Raiche 2000-4-30 052 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC353896  Epilobium minutum Milo S. Baker 1927-5-7 2145 a Sonoma Adobe Canyon Fitzsimmon's Grade (at base of grade) Comment
  UC1299380  Epipactis gigantea Freed W. Hoffman 1947-5-30 518 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  RSA790976  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD165778  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  UCD148435  Equisetum X ferrissii Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  UCD19307  Equisetum arvense Terry Reedy 1974-5-11 208 Sonoma Bodega Head, in freshwater marsh in standing water. 6 Comment
  RSA784476  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  UCD148417  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  SEINET6031838  Equisetum telmateia P. L. Henderson 1977-4-30 77 -7 Sonoma Bodega Bay Comment
  UC810265  Equisetum telmateia subsp. braunii Koch 1940-4-16 9543 Sonoma Hwy between Salmon Creek and Wright's Beach (Hwy. 1) Comment
  UCD135595  Equisetum telmateia subsp. braunii Frederica Bowcutt 1997-7-18 2180 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, West Bear Ck. 365 Comment
  UCD167968  Equisetum telmateia subsp. braunii James A. Neilson Jr. 1981-3-8 3985 Sonoma Mayacamas Mountains, Wildhorse Ck. at road crossing. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCR248774  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  RSA0023076  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  RSA0023077  Eragrostis Peter Rubtzoff 1965-8-16 5600 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  UCD62972  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa. Comment
  CAS-BOT-BC284190  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1970-9-2 6356 Sonoma Russian River at Mirabel Park Comment
  RSA784478  Erechtites minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  UC615573  Eremocarpus setiger Beryl O. Schreiber 1933-8-10 925 Sonoma 3 mi s Kenwood Comment
  CAS-BOT-BC131606  Ericameria arborescens Greg de Nevers 1990-10-2 9683 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road, Devils Kitchen 457 Comment
  CAS-BOT-BC131608  Ericameria arborescens Edw. L. Greene 1888-8-31 s.n. Sonoma Petrified Forest Comment
  RSA149838  Ericameria ericoides var. ericoides George W. Barclay 1839-10 3037 Sonoma Bodegas Comment
  UC130592  Erigeron biolettii H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  SEINET5781559 Image available Erigeron glaucus Marcus E. Jones 1882-1 3622 Sonoma Duncan's Mills Comment
  UC1557906  Erigeron glaucus J. Semple, S. Heard 1986-8-20 8571 Sonoma CA-1, between Jenner and Bodega Bay (edge of bluffs) Comment
  UC1557908  Erigeron glaucus J. Semple, S. Heard 1986-8-18 8545 Sonoma bluffs above Pebble Beach (CA-1, 10.1 km s of Mendocino Co. line); Pebble Beach Coastal Access, Pebble Beach Comment
  CAS-BOT-BC224155  Eriodictyon californicum Irja Knight; Walter Knight 1964-11-15 784 Sonoma Hood's [Hood] Peak in meadow above Johnson Dam Comment
  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
  SEINET11933748  Eriogonum compositum Unknown 1984-1 40081 Sonoma Pritchett Peaks, SW of Cloverdale, E of Lake Sonoma 518 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-BC250014  Eriogonum fasciculatum var. foliolosum Walter Knight; Irja Knight 1985-1-13 5158 Sonoma Near high bridge over Sonoma Lake west of Healdsburg Comment
  CAS-BOT-BC259256  Eriogonum latifolium John Thomas Howell 1930-7-27 5413 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259258  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma 4 miles north of Bodega Bay Comment
  UC77576  Eriogonum latifolium Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  CAS-BOT-BC259252  Eriogonum latifolium W. R. Dudley 1893-9-9 s.n. Sonoma Near mouth of Russian River Comment
  SD22292  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  CAS-BOT-BC270976  Eriogonum nervulosum Roger Raiche 1985-8-10 50716 Sonoma The Cedars, N. of Cazadero, headwaters Big Austin and East Austin Creeks, Layton mine site 371 Comment
  JEPS128253  Eriogonum nudum var. auriculatum Roger Raiche 1999-10-3 045 .99 Sonoma The Cedars. Near Cabin site, above Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC261689  Eriogonum nudum var. nudum Catherine Best 1981-8-8 s.n. Sonoma Above Morelli Lane about 1 mile northeast of Occidental Comment
  CAS-BOT-BC300356  Eriophyllum John H. Thomas 1955-5-22 5193 Sonoma Graton - Occidental Road, about 3.5 miles west of Occidental 60 Comment
  CAS-BOT-BC301281  Eriophyllum lanatum var. arachnoideum L. Constance 1938-4-24 2157 Sonoma Russian Gulch, 8 miles south of Fort Ross 121 Comment
  UC73463  Erodium botrys Miss M. Alice King May 1897 Sonoma Lytton Springs Comment
  RSA187471  Erodium brachycarpum John H. Thomas 1966-3-18 11482 Sonoma Edge of vineyard at Italian Swiss Colony at Asti. Comment
  UC1745772  Eryngium Annetta M. Carter 1934-4-29 509 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. 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
  UC1307396  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1954-8-12 1695 Sonoma Bennett Mt. Lake Comment
  SBBG27233  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma San Pablo Bay SW of Sonoma Comment
  POM132678  Eryngium armatum A. D. E. Elmer 1903-07 4776 Sonoma Petaluma. Comment
  POM259278  Eryngium armatum J. T. Howell 1938-7-3 13947 Sonoma Stony Point. Comment
  RSA223350  Eryngium armatum Peter Rubtzoff 1962-8-3 5019 Sonoma Atascadero Creek Marsh Comment
  SEINET3826189 Image available Erysimum concinnum Sally Walker 1983-5-12 s.n. Sonoma Goat Rock Comment
  SEINET14196771  Erythranthe bicolor K. Brandegee 1905-6-8 s.n. Sonoma Between Santa Rosa and Sebastopol. Comment
  CAS-BOT-BC383058  Erythranthe nasuta David B. Lowry 2005-5-10 CMF Sonoma Camp Meeker Falls, between Camp Meeker and Monte Rio near Bohemian Highway 104 Comment
  SEINET3355597 Image available Eschscholzia californica Katharine Brandegee 1905-1 Sonoma Comment
  CAS-BOT-BC403705  Eschscholzia californica Walter Knight; Irja Knight 1963-9-29 222 Sonoma Foot of Jefferson St. Petaluma Comment
  UCSB50224  Eschscholzia californica Gray, John 1976-5-1 Sonoma Bluffs on Duncan's Landing peninsula, Sonoma Coast State Beaches, T6N RllW 15 Comment
  SEINET12091844  Eschscholzia californica var. maritima F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -146 Sonoma between Salmon Creek & Cormet at junction of Coleman Valley Road & CA 1 12 Comment
  SD58246  Euonymus occidentalis Harry K. Roberts 1959-5-18 Sonoma On Louis Giovanni ranch in the first canyon south of ranch house, Green Valley, northwest of Sebastopol. Comment
  UC18047  Euonymus occidentalis var. occidentalis unknown 11 R Sonoma Howards Comment
  CAS-BOT-BC202536  Euphorbia Peter Rubtzoff 1986-9-28 9747 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC202538  Euphorbia Peter Rubtzoff 1978-8-12 9251 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on So. Fitch Mtn. Road Comment
  CAS-BOT-BC294703  Euphorbia Peter Rubtzoff 1973-8-20 7227 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  CAS-BOT-BC294704  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road. Comment
  CAS-BOT-BC384609  Festuca Greg de Nevers 1989-4-1 9068 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA0062816  Festuca arundinacea Greg de Nevers 1989-04 9068 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCR248730  Festuca arundinacea Peter Rubtzoff 1962-5-5 4807 Sonoma North Coast Range, Fife Creek Marsh Comment
  CAS-BOT-BC283189  Festuca californica subsp. californica G. DeNevers 1981-5-5 929 Sonoma W arm of Garrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  RSA121316  Festuca idahoensis H. S. Yates 1937-5-30 6544 Sonoma 3 miles WNW of Graton. 61 Comment
  CAS-BOT-BC278885  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-14 13534 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UCD151089  Festuca occidentalis James A. Neilson Jr. 1973-6-3 2960 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
  UCD66117  Festuca occidentalis Beecher Crampton 1955-6-17 2964 Sonoma 2 miles east of Fort Ross. Comment
  UCD66173  Festuca occidentalis K. Wagnon 1939-5-14 195 Sonoma Near Wagnon Home, 5 mi. west of Sebastopol. Comment
  UCD66268  Festuca roemeri P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UC1023597  Festuca rubra Virginia Bufford 1936-5-19 267 Sonoma 2 to 3 mi from Santa Rosa; Bennett Valley Comment
  CAS-BOT-BC353382  Filago Peter Rubtzoff 1972-6-29 6801 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC455954  Fragaria chiloensis A. A. Heller; H. E. Brown 1902-3-29 5186 Sonoma Bodega Bay Comment
  CAS-BOT-BC457579  Fragaria vesca subsp. californica A. A. Heller; H. E. Brown 1902-3-16 5074 Sonoma Russian River near Trenton Comment
  CAS-BOT-BC457580  Fragaria vesca subsp. californica Volney Rattan 1877-6-27 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC53269  Frangula californica subsp. californica Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC218581  Fraxinus latifolia Walter Knight; Irja Knight 1963-10-27 446 Sonoma Spring Mt. Road Comment
  SJSU452  Fraxinus latifolia A. W. Jacobs 1939-7-20 Sonoma Russian R Terrace near Forestville Comment
  UC34903  Fraxinus latifolia W. A. Setchell 1897-6-16 Sonoma Cazadero Comment
Read comments
Dec 31 2015
  JEPS42908  Fremontodendron californicum E. L. Greene 1912-6-21 Sonoma Glass Hill, Cazadero Comment
  CAS-BOT-BC130181  Fritillaria affinis A. A. Heller; H. E. Brown 1902-3-25 5148 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC508137  Fritillaria recurva Michener; Bioletti 1893-3-1 s.n. Sonoma Mt. Hood Comment
  LA208415  Galium californicum John Thomas Howell; 1930-6-8 5246 Sonoma 1 mi east of Bodega Bay Comment
  CDA15739  Galium californicum subsp. californicum G. F. Hrusa 1998-6-14 14591 Sonoma Knights Valley; Foote Ranch, immed. N of corner Ida Clayton Rd. & Hwy. 128, Knights Valley. Comment
  SEINET12333743  Galium murale H. K. Wagnon 1989-1 1882 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, edge of service road 67 Comment
  UCD151154  Galium nuttallii James A. Neilson Jr. 1973-6-7 3563 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  UCSB50248  Galium parisiense Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach 18 Comment
  UC421566  Galium porrigens var. porrigens John Thomas Howell 1929-6-9 4297 Sonoma 2 mi n Sonoma Comment
  UC1192015  Galium trifidum Malcolm A. Nobs and S. Galen Smith 1949-8-1 1110 Sonoma bog 2 mi e Stewart's Point (on road to Geyserville) Comment
  UC424793  Galium triflorum Milo S. Baker 1930-6-6 4157 Sonoma roadbank to West Occidental to Freestone Hiway Comment
  JEPS20521  Gamochaeta ustulata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 231 Sonoma Guerneville Russian River, Guerneville Comment
  UCD165160  Gamochaeta ustulata Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC303497  Gamochaeta ustulata G. DeNevers 1981-4-23 784 Sonoma Pippindale farm, Clarence Wright land at Garrison fence, ridgetop, along Hansel's fenceline Comment
  UCD121104  Garrya elliptica Mary M. Hektner 1975-6-3 204 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC182165  Garrya fremontii James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  CDA31016  Garrya fremontii D. G. Kelch, Troy McGregor 2010-8-22 10 .349 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC727755  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley Kenwood Region (near Chamberlain Place) Comment
  CAS-BOT-BC311826  Gastridium Peter Rubtzoff 1973-8-20 7226 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  HSC101100  Gastridium phleoides Peter Warner 2011-8-10 229 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  UC50492  Gastridium ventricosum A. B. Leckenby June 1896 Sonoma Petaluma Comment
  UCR248754  Gastridium ventricosum Peter Rubtzoff 1970-8-19 6334 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero 38 Comment
  SEINET8718700 Image available Gastridium ventricosum Leo Koch 1940-1 837 Sonoma above Sulfur Creek Geysers Comment
  JEPS102270  Gaudinia fragilis Jane Valerius and Dianne Lake 2002-6-25 s.n. Sonoma Cloverdale; scraped area NW of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101. 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
  UCSB4791  Gaultheria shallon Keator, Glenn 1959-4-1 Sonoma 1.5 miles north of Fort Ross Monument on Highway 1 Comment
  UCR265129  Genista monspessulana Ann Howald 2015-4-1 3328 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  UCD105728  Genista monspessulana S. P. Lynch 2016-3-14 390 Sonoma 6 mi. west of Callistoga on St. Hwy 128. Comment
Read comments
May 16 2013
  UCD23449  Gentiana affinis A. S. Crafts 1948-8-28 s.n. Sonoma Sonoma coast near Fort Ross. Comment
  UCD103320  Geranium dissectum Frederica Bowcutt 1994-5-21 1825 b Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 396 Comment
  UCSB50217  Geranium dissectum Gray, John 1976-5-1 Sonoma Bluff above Blind Beach; 1/2mile west of Highway 1; T7N RllW 60 Comment
  SEINET3860395  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp, E. A. Helmkamp 2010-6-4 16230 Sonoma North Coast Ranges: Mark West Springs Raod, 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east of Windsor.; 0 155 Comment
  JEPS27966  Gilia capitata subsp. capitata Rimo Bacigalupi and L. Heckard 1961-6-9 7741 Sonoma about 3/4 mi nw Occidental School (along Stoetz Lane, about 1/2 mi nw of its junction with Harrison Grade road); nw of Occidental School 228 Comment
  UC963874  Gilia capitata subsp. capitata Milo S. Baker 1947-5-12 11767 Sonoma near base of Sugar Loaf Peak Hood Mt. (burned chaparral, North Bay Counties); near base of Sugar Loaf Peak Hood Mt. 457 Comment
  UC1182817  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 S- 124 Sonoma Comment
  POM65744  Gilia capitata subsp. chamissonis A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. Comment
  SD60184  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Sand dunes, upper Bodega Bay. Comment
  CAS-BOT-BC226167  Gilia capitata subsp. tomentosa John Thomas Howell 1930-6-8 5265 Sonoma 1 mile east of Bodega Bay Comment
  JEPS97637  Gilia capitata subsp. tomentosa Annetta M. Carter 1947-5-30 1842 Sonoma 2 mi. E of Occidental. Comment
  CAS-BOT-BC225468  Gilia millefoliata Alice Eastwood 1901-7-4 s,.n. Sonoma Bodega Point Comment
  UCD15040  Gilia tricolor James Aronson 1977-4-15 14 Sonoma California, Sonoma Co.; 10.4 miles west of intersection with Dutcher Creek Road, along Skaggs Springs Road; Comment
  CAS-BOT-BC303752  Glebionis segetum John Thomas Howell 1930-6-8 5231 Sonoma Bodega Rd 4 miles E of Valley Ford Comment
  OBI48604  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  UC894568  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  SD99432  Glinus lotoides Peter Rubtzoff 1969-8-24 6146 Sonoma Pond on River Road, 3.0 miles west of Fulton. Comment
  UCD37100  Glyceria leptostachya Beecher Crampton 1955-6-17 2937 Sonoma 0.5 mile south of Guerneville. Comment
  UCD66741  Glyceria leptostachya A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3581 Sonoma Occidental Road near Barstow Station. Comment
  RSA796404  Glyceria striata Peter Rubtzoff 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC290690  Gnaphalium Peter Rubtzoff 1987-10-17 9875 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  CDA6005  Gnaphalium purpureum T. C. Fuller 1958-5-24 3985 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CDA6007  Gnaphalium purpureum G. D. Barbe 1982-5-27 3626 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  RSA785227  Grindelia Peter Rubtzoff 1963-8-17 5225 Sonoma Along Petaluma River, just E of Petaluma. Comment
  UCD148466  Grindelia camporum Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  UCR280127  Grindelia camporum Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa, east of Graton 23 Comment
  SEINET11845375  Grindelia camporum W. Knight, Knight, I.; Knight, T. 1985-1 6349 Sonoma Pine Flat Road, between Jimtown & geothermal area Comment
  CAS-BOT-BC305177  Grindelia hirsutula John Thomas Howell 1930-6-8 5222 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  SBBG33298  Grindelia hirsutula J. P. Broughton 1969-7-13 1275 Sonoma salt marsh bordering Tomales Bay near Tubbs Island Comment
Read comments
Oct 1 2009
  UC1093968  Grindelia hirsutula Herbert L. Mason 1930-6-1 5653 Sonoma mouth of Gualala River Gualala River Comment
  UC196832  Grindelia hirsutula J. W. Congdon 1881-5-23 Sonoma Petaluma Comment
  SEINET3142907  Grindelia hirsutula M. P. Dunford 1959-10-3 559 Sonoma 1.8 mi. NE of Mark West Springs on Mark West Road Comment
  UCR37762  Grindelia stricta A. C. Sanders 1985-1-19 5373 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCD85145  Hainardia cylindrica Beecher Crampton 1957-7-11 4323 Sonoma in Sonoma Coast State Park, about 0.8 mile north of Salmon Creek, along State Hwy. 1. Comment
  SEINET11689070  Hainardia cylindrica H. K. Wagnon 1989-1 1895 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, trail at entrance to Annadel Park 67 Comment
  CAS-BOT-BC302256  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  CAS-BOT-BC306328  Hedypnois cretica John Thomas Howell 1931-4-18 6423 Sonoma At mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC306322  Hedypnois cretica W. P. Vestal; A. G. Vestal 1947-5-13 s.n. Sonoma 5 miles north of Fort Ross Comment
  CAS-BOT-BC306326  Hedypnois cretica G. DeNevers 1981-4-23 782 Sonoma Pepperwood Ranch. Pippindale farm. Slope above Hansel's Lake Comment
  POM187815  Helenium bigelovii Marcus E. Jones 1931-7-5 29104 Sonoma The Geysers. Comment
  RSA800290  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  POM187930  Helianthus bolanderi Marcus E. Jones 1931-7-5 29121 Sonoma The Geysers. Comment
  UCD132968  Helminthotheca echioides H. S. Yates 1935-10-3 5343 Sonoma Santa Rosa. Comment
  UCD165138  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD166490  Hemizonia Peter Rubtzoff 1958-8-23 3921 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC257686  Hemizonia Peter Rubtzoff 1969-8-26 6161 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  POM362216  Hemizonia Christopher Davidson 1977-6-20 6009 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA796177  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Marshes: Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  RSA800070  Hemizonia Peter Rubtzoff 1971-9-30 6709 Sonoma Laguna, Chileno Valley. Comment
  RSA800147  Hemizonia Peter Rubtzoff 1962-10-23 5120 Sonoma Laguna de Santa Rosa area East of Graton, east of Cunningham (near Llano Road). Comment
  UCD166113  Hemizonia Peter Rubtzoff 1972-5-21 6746 Sonoma Atascadero Creek Marsh and nearby slopes. Comment
  UCD166204  Hemizonia Peter Rubtzoff 1969-8-26 6161 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  RSA1110  Hemizonia clevelandii E. R. Johnson 1928-8-22 1111 Sonoma Cloverdale Comment
  UCD159816  Hemizonia congesta James A. Neilson Jr. 1974-7-24 2878 a Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. Roadside. North of meadow. (Elevation and coordinates estimated by label maker). 792 Comment
  UCD167319  Hemizonia congesta James Neilson 1977-6-7 3911 Sonoma Mayacmas Mountains, Locke Cabin area east of Lunar Point. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR21599  Hemizonia congesta O. F. Clarke 1966-8-16 s.n. Sonoma North Coast Ranges, Healdsburg, farm of V. Brown Comment
  POM360350  Hemizonia congesta L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  RSA81615  Hemizonia congesta James I. McMurphy 1908-09 s.n. Sonoma George's Vineyard, near Fulton. Comment
  CAS-BOT-BC306163  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1935-9-11 35622 Sonoma 2 mi. N. of Healdsburg 39 Comment
  CAS-BOT-BC306164  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1935-9-11 35622 Sonoma 2 mi. N. of Healdsburg 39 Comment
  SD62041  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-3 Sonoma 4.4 miles west of Santa Rosa. Comment
  CAS-BOT-BC306232  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  CAS-BOT-BC306236  Hemizonia congesta subsp. congesta Greg de Nevers 1986-9-20 8114 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UC134571  Hemizonia congesta subsp. congesta Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
Read comments
Jun 26 2010
  CAS-BOT-BC306216  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10241 b Sonoma Near Petaluma (6 mi. n.w.) Comment
  CAS-BOT-BC306218  Hemizonia congesta subsp. congesta H. M. Hall 1931-5-26 13079 Sonoma Six miles northwest of Petaluma Comment
  CAS-BOT-BC306238  Hemizonia congesta subsp. congesta J. McMurphy 1909-5-30 s.n. Sonoma Between Windsor & Healdsburg Comment
  UCR254915  Hemizonia congesta subsp. leucocephala Greg de Nevers 1998-6-9 11270 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC309670  Hemizonia congesta subsp. lutescens L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309723  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2652 Sonoma 1/2 mi. S. of Jenner Comment
  CAS-BOT-BC309724  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 miles south of Jenner, on the Bodega road Comment
  OBI16232  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 mi NE of Penngrove 244 Comment
  OBI16237  Hemizonia congesta subsp. lutescens Robert F. Hoover 1969-8-31 11567 Sonoma Adobe Rd and Casa Grande Rd near Petaluma Comment
  UC1392842  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma near Petaluma; Adobe Road and Casa Grande Road Comment
  UCR233074  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges, eastern Petaluma Valley, Manor Lane, 0.5 mi. north of intersection with Old Adobe Rd. 75 Comment
  CAS-BOT-BC309689  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road. Near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC309698  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 711 Sonoma Summit between Sonoma and Petaluma Comment
  CAS-BOT-BC309707  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 715 Sonoma 2 miles south of Santa Rosa on road to Petaluma Comment
  CAS-BOT-BC309710  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay Comment
  CAS-BOT-BC309730  Hemizonia congesta subsp. lutescens Milo S. Baker 1930-6-6 4158 a Sonoma Along Southern road from Sebastopol to Occidental Comment
  JEPS86759  Hemizonia congesta subsp. luzulifolia Jack and Betty Guggolz 1990-9-9 1089 Sonoma in river bed between Cloverdale and Asti crossing; Russian River bed 79 Comment
  UC495618  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1930-9-1 9173 Sonoma Knight's Valley North Coast Ranges Comment
  UCD133003  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles northeast of Penngrove. 426 Comment
  CAS-BOT-BC309938  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight; J. T. H. 1984-9-26 5234 Sonoma 5.9 mi. up Cavedale Rd. Comment
  CAS-BOT-BC309965  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-9 714 -A Sonoma 4-1/2 miles south of Santa Rosa Comment
  POM181070  Hemizonia fitchii J. T. Howell 1930-9-14 5485 Sonoma 6 miles N of Geyserville. Comment
  POM215135  Hemizonia fitchii D. D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville. Comment
  SEINET11845321  Hemizonia multicaulis subsp. vernalis C. F. Quibell 1976-1 1369 Sonoma Marshall-Petaluma Rd Comment
  CAS-BOT-BC310213  Hesperevax sparsiflora var. sparsiflora John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54004 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC310214  Hesperevax sparsiflora var. sparsiflora Alice Eastwood 1921-5-8 10474 Sonoma Petaluma Comment
  UC581115  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8091 Sonoma Jensen's Ranch; Dohrmann Creek Comment
  UC581114  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8098 Sonoma Highway between Santa Rosa and Healdsburg Comment
  UC72228  Hesperocnide tenella Milo S. Baker Sonoma Auburn or Geysers (Sonoma Co.) Comment
  OBI7228  Hesperocyparis sargentii Robert F. Hoover 1968-2-23 10895 Sonoma Harrison Grade road near summit Comment
  UCD110539  Hesperolinon micranthum Roxana S. Ferris; Laura Lorraine 1961-6-15 13560 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road. Comment
  UC1212379  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4132 Sonoma near Pine Flat-Middletown road crossing (above Big Sulphur Creek); Inner North Coast Ranges, Mayacamas Range 762 Comment
  UCD19305  Hesperomecon linearis Terry Reedy 1974-5-11 211 Sonoma Bodega Head, sand dunes. 13 Comment
  UC980588  Heterocodon rariflorum Milo Baker 1936-5-29 Sonoma near Wright's School (on S<??> Hwy) Comment
  CAS-BOT-BC149828  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-12-27 461 Sonoma Summit, Pine Flat Rd. Comment
  UC1093930  Heterotheca oregona var. oregona Herbert L. Mason Nov 26 1925-Nov 27 1925 2493 Sonoma Monte Rio, along Russian River Russian River Comment
  CAS-BOT-BC311062  Heterotheca oregona var. oregona Mary P. Wells 1984-7-20 396 Sonoma In So. Fork Gualala River by The Sea Ranch Comment
  CAS-BOT-BC311162  Heterotheca sessiliflora subsp. bolanderi Carl B. Wolf 1927-9-2 1345 Sonoma 2 miles south of Anchor Cove Comment
  CAS-BOT-BC420945  Heuchera micrantha var. diversifolia G. DeNevers 1981-6-6 1464 A Sonoma Pepper wood Ranch. Woodland on N slope of Telegraph Hill Comment
  UC570889  Heuchera micrantha var. erubescens H. L. Mason June 1930 5665 Sonoma mouth of Gualala River Comment
  SDSU9530  Heuchera pilosissima D. F. Howe 1966-6-2 4262 Sonoma 0.5 mile S of Bodega Bay. Comment
  RSA0063040  Heuchera pilosissima H. C. Cantelow 1941-6-7 s.n. Sonoma Near Bodega Bay. On State Hwy 1. Comment
  JEPS36683  Hieracium albiflorum W. L. Jepson 1921-5-6 9185 Sonoma summit of grade from Calistoga to Porter Creek 457 Comment
  JEPS78859  Hieracium albiflorum Edward Lee 1936-6-8 2219 Sonoma Bohemian Grove; grounds near entrance Comment
  UC496386  Hieracium albiflorum Merle Randall 1930-6-8 Sonoma Cazadero Comment
  CDA30998  Hoita macrostachya D. G. Kelch, Troy McGregor 2010-8-22 10 .351 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CDA9234  Hoita orbicularis D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC280791  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  POM205900  Holcus lanatus Jos Burtt Davy 1896-07 12201 Sonoma Near Guerneville. Comment
  SEINET176555 Image available Holcus lanatus M. E. Jones 1882-7-18 3546 Sonoma Duncan's Mills 9 Comment
  SEINET10960739  Holcus lanatus A. Arthur Heller 1902-6-7 Heller 5651 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC861997  Holodiscus discolor Marcus E. Jones, A. M. 1882-7-18 3579 Sonoma Duncan Mills Comment
  UCR244742  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  UCR244743  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  UCR279627  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 363 Comment
  SEINET10933146  Hookera terrestris A. Arthur Heller 1940-5-10 Heller 15602 Sonoma Scattered plants on a grassy slope near the Ocean between Fort Rosa and Stewart's Point. Humid Transition Life Zone. Comment
  UC1011009  Hordeum brachyantherum subsp. brachyantherum Virginia Bufford 1936-5-1 169 Sonoma Larkspur Rock, Bodega Canyon Comment
  CAS-BOT-BC282020  Hordeum murinum subsp. leporinum Mary P. Wells 1981-8-2 s.n. Sonoma Between North Recreation Center and Leeward Rd, the Sea Ranch Comment
  SD56711  Horkelia californica Darley F. Howe 1963-8-1 Sonoma 2.2 mi. no. of Jenner on #1 Comment
  CAS-BOT-BC146523  Horkelia tenuiloba John Thomas Howell 1945-5-30 20909 Sonoma Vine Hill School Comment
  UC1085322  Horkelia tenuiloba J. Powell 1957-5-25 Sonoma 4 mi w Plantation Comment
  RSA97645  Horkelia tenuiloba J. T. Howell 1945-5-30 s.n. Sonoma Vine Hill School Comment
  UCD158717  Hosackia crassifolia Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 3.5 mi east of the junction of Socrates Mine Rd. and Pine Flat Rd. Shell US Geothermal #2. Elevation estimated by label maker. [note by label-maker: 3.5 mi southeast would take location out of Sonoma County and out of the geothermal area, unless is road miles]. 975 Comment
  SEINET957358  Hosackia gracilis S. Walker 1983-1 83 H-102 Sonoma In ditch beside road to Goat Rock. Comment
  CDA34812  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mile mark, ~2.53 km, E143 deg. S of Forestville, along W side of highway. Comment
  CDA1446  Hydrilla verticillata Brad Oliver 1984-9-2 Sonoma Spring Lake Park, Santa Rosa. 0 Comment
  UCD128230  Hydrocotyle ranunculoides David E. Bayer 1960-9-29 s. n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC401000  Hypericum anagalloides Peter Rubtzoff 1960-9-17 4563 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  CAS-BOT-BC400993  Hypericum anagalloides Milo S. Baker 1927-6-19 2216 a Sonoma Hood Mountain. In Macartney's woods Comment
  CAS-BOT-BC400994  Hypericum anagalloides Carl B. Wolf 1927-9-2 1349 Sonoma One mile south of the Gualala River on coast road Comment
  JEPS128179  Hypericum concinnum Roger Raiche 2001-5-17 022 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  JEPS78829  Hypericum concinnum Edward Lee 1936-6-7 2195 Sonoma fire trail s. ridge Bohemian Grove Comment
  UCD110361  Hypericum concinnum E. Frost 1996-5-26 22 Sonoma Mt. St. Helena, 180 yards in along hiking trail. 609 Comment
  UCD160874  Hypericum concinnum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3269 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SBBG4757  Hypericum concinnum H. and M. Dearing 1939-5-14 3345 Sonoma near Healdsburg Comment
  SEINET11993496  Hypericum perforatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -154 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 80 Comment
  CAS-BOT-BC316677  Hypochaeris glabra Peter Rubtzoff; H. A. Froebe 1971-5-30 6500 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC316685  Hypochaeris glabra Greg de Nevers 1981-4-23 798 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC133509  Iris Saichi Kawahara 1968-4-20 321 Sonoma Oak-Trinity Road, 1 mile northeast of Highway 12 152 Comment
  SD88575  Iris douglasiana Darley F. Howe 1972-5-4 Sonoma Near Duncan Mills Pond. 152 Comment
  JEPS17338  Iris fernaldii W. L. Jepson 1893-4-25 Sonoma w of St. Helena (Caux's Knob); Hoods Peak Range, Caux's Knob Comment
  UCR265222  Iris longipetala Ann Howald 2015-5-2 3380 Sonoma North Coast Ranges, Houser Bridge Rd, c. 1 mile north of intersection with Kruse Ranch Rd. 295 Comment
  CHSC22983  Iris macrosiphon Robert A. Schlising; Et al 1962-3-31 2115 Sonoma Along Cavedale Road, NE of Agua Caliente. Comment
  JEPS128343  Iris macrosiphon Roger Raiche 2000-4-7 021 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD166077  Isoetes Peter Rubtzoff 1971-6-5 6514 Sonoma Dry bed of vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UC1618153  Isoetes howellii J. C. Game 1996-5-25 96 /41 Sonoma ca 15 mi nw of Warm Springs Dam (along Rockpile Rd, in Rockpile Ranch) Comment
  UCD84101  Isoetes howellii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  POM203033  Isoetes howellii J. T. Howell 1934-3-27 11805 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  RSA227253  Isoetes howellii Peter Rubtzoff 1963-6-22 5188 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC164685  Isoetes nuttallii Peter Rubtzoff; Nancy Harrison 1978-5-20 9182 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC112389  Isolepis carinata John Thomas Howell; J. W. Stacey 1937-6-6 13027 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112413  Isolepis carinata Peter Rubtzoff 1952-5-10 1025 Sonoma Pitkin Marsh near Forestville: Eastern branch of the Upper March. Comment
  CAS-BOT-BC112414  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-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
  CAS-BOT-BC322125  Juncus arcticus Peter Rubtzoff 1963-6-6 5170 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UC1042427  Juncus balticus Peter Rubtzoff 1951-7-7 368 Sonoma near Forestville (e branch of the upper marsh); Pitkin Marsh Comment
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  JEPS66912  Juncus bolanderi W. L. Jepson 1918-6-23 7648 Sonoma Asti Comment
  CHSC105755  Juncus effusus subsp. pacificus Peter F. Zika 2008-7-21 23922 Sonoma San Francisco Bay (SnFrB). E side of Route 116 at Llano Road. 40 Comment
  CAS-BOT-BC164037  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-7-23 6607 Sonoma Sonoma: Laguna, Chileno Valley 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
  UCD167435  Juncus hesperius Peter Rubtzoff 1955-8-20 2089 Sonoma Bodega Harbor Marsh. Comment
  UCR280132  Juncus hesperius Peter Rubtzoff 1970-9-3 6375 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  UCD161773  Juncus nevadensis James A Neilson Jr. 1976-5-10 3688 a Sonoma Mayacmas Mountains. Aidlin-Govea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC210071  Juncus occidentalis Peter Rubtzoff 1974-6-2 7515 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC210118  Juncus occidentalis Peter Rubtzoff 1974-6-2 7523 Sonoma Upper Green Valley Marsh Comment
  UC143757  Juncus patens A. A. Heller 1902-6-10 5680 Sonoma Santa Rosa Comment
  CAS-BOT-BC250926  Juncus phaeocephalus J. Penalosa 1961-5-24 1588 Sonoma Upper Stemple Creek Marsh Comment
  UC589957  Juncus phaeocephalus var. paniculatus H. S. Yates 1936-5-16 5596 Sonoma 2 mi se Forestville; Sebastopol Quad., Pitkin Marsh 30 Comment
  RSA293429  Juncus phaeocephalus var. phaeocephalus Reino Alava 1958-5-24 2047 Sonoma Northern part of Pitkin Marsh. Comment
  UCD21130  Juncus tenuis Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 305 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD164994  Juncus xiphioides Peter Rubtzoff; Nancy Harrison 1974-9-7 7871 Sonoma Hinebaugh Creek in Rohnert Park. Creek bed, west of Commerce Blvd. crossing. Comment
  RSA45356  Keckiella corymbosa R. C. Bacigalupi 1947-8-17 2850 Sonoma On dirt road just above and east of Cazadero, (County road to Guernewood Park), in canyon of Austin Creek. Comment
  RSA247442  Kickxia elatine Peter Rubtzoff 1959-6-20 4158 Sonoma Willow Creek Marsh. Willow Creek. Comment
  CAS-BOT-BC273791  Koeleria pyramidata Peter Rubtzoff 1952-6-11 1250 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  SEINET11687493  Lamarckia aurea I. Knight, Knight, W.; Edwards, S. 1986-1 5326 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  CAS-BOT-BC164354  Lamiaceae Peter Rubtzoff 1954-8-11 1684 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC486687  Lamiaceae Peter Rubtzoff 1963-8-17 5230 Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC257694  Lamium Peter Rubtzoff; Paul But 1974-4-6 7359 Sonoma Along roadside at the border of the Forestville Marsh. Comment
  JEPS27654  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma near Sebastopol Comment
  CAS-BOT-BC324930  Lasthenia burkei Peter Rubtzoff 1966-4-17 5677 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  JEPS86749  Lasthenia burkei Jack and Betty Guggolz 1990-5-5 1048 Sonoma n side Piner Road (w of Olivet Road) Comment
  SEINET7067258  Lasthenia californica A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  UC30450  Lasthenia californica H. N. Bolander 1864-1 3846 Sonoma Mark West Comment
  CAS-BOT-BC346332  Lasthenia californica G. DeNevers 1981-4-18 739 Sonoma Pepperwood Ranch. By the Studio Comment
  RSA585970  Lasthenia californica Adree M. Desrochers 1988-4-30 335 Sonoma Salt Point State Park, Stump Beach. Comment
  UCSB50244  Lasthenia chrysostoma John Gray 1976-5-1 8 Sonoma collected in the bluffs at Duncan's Landing, in the Sonoma Coast Beaches Duncan's Landing, and Sonoma Coast Beaches 15 Comment
  CAS-BOT-BC355522  Lasthenia glaberrima Alice Eastwood 1917-5-13 s.n. Sonoma Road to Bodega Point Comment
  CAS-BOT-BC355526  Lasthenia glaberrima Peter Rubtzoff 1972-4-25 6734 Sonoma Vernal pool 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC355528  Lasthenia glaberrima Peter Rubtzoff 1966-5-30 5747 Sonoma About 3 mi. S. of Healdsburg. Comment
  POM52107  Lasthenia macrantha subsp. bakeri Katherine Brandegee 1905-6-27 s.n. Sonoma From Bodega to Bodega Bay, on west side of stream, crossed by road before turning north Comment
  UC726106  Lasthenia minor A. A. Heller 1940-5-17 15628 Sonoma n of the town of Bay; Bodega Bay Comment
  RSA783472  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa Comment
  RSA783473  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive Comment
  UCD106204  Lathyrus cicera Botany 102 Students 1993-5-8 252 Sonoma N of 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. Bald Mountain Trailhead parking. About 1 air mile S of Red Mountain, just N of Sonoma Creek. Comment
  CAS-BOT-BC204992  Lathyrus jepsonii var. californicus A. A. Heller 1902-6-7 5659 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCD106362  Lathyrus latifolius Terri Williamson 1990-5-20 45 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  UCD144410  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma Franz Valley Road, approximately 3 miles west of Knights Valley intersection with Highway 128. 150 Comment
  SEINET12165326  Lathyrus vestitus W. Knight, Knight, I.; DrEdwards, S. 1986-1 5333 Sonoma trail to the summit of Geyser Peak, access from Healdsburg-Geysers Road 863 Comment
  UC864425  Lathyrus vestitus var. alefeldii Marcus E. Jones, A. M. 1882-7-17 3576 Sonoma Duncan's Mills Comment
  CDA27146  Lathyrus vestitus var. ochropetalus G. D. Barbe 1982-5-27 3622 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  UCSB22473  Lathyrus vestitus var. ochropetalus McCarthy, Sharon 1965-4-16 Sonoma North of junction of 5th Street West and Verano Avenue, Sonoma 60 Comment
  UC15369  Lathyrus vestitus var. vestitus Harley P. Chandler 1900-5-25 701 Sonoma Bodega Bay 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
  UCR244752  Layia Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  UCR244753  Layia Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Rd. 29 Comment
  CAS-BOT-BC323257  Layia chrysanthemoides Alice Eastwood 1921-4-24 10395 Sonoma Santa Rosa Comment
  UC913069  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 mi e Shellville (just e of intersection of Sonoma Road) Comment
  JEPS24288  Layia chrysanthemoides G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3973 Sonoma along shallow drainage ditch by State Highway 37 (about .5 mi e of big Bend and .25 mi w of Sonoma Creek crossing); Sonoma Valley 3 Comment
  RSA785925  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UC584226  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 mi s Jenner Comment
  UCD133977  Layia platyglossa Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 36 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  CAS-BOT-BC274360  Leersia oryzoides Peter Rubtzoff 1961-10-18 4772 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  UCR254923  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road 5 Comment
  CAS-BOT-BC210095  Lemna Peter Rubtzoff 1974-4-6 7349 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC154155  Lemna minima Peter Rubtzoff 1965-11-9 5667 B Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  UCR256957  Lemna minor Peter Rubtzoff 1954-8-13 1710 Sonoma Bodega Head Marsh 2 Comment
  UCD148503  Lemna minor Peter Rubtzoff 1965-11-9 5669 Sonoma Willow Creek Marsh. Comment
  UCR256275  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh 6 Comment
  UCD115354  Lepidium didymum G. P. McNear 1924-8-1 s.n. Sonoma Petaluma. Comment
  UCR255881  Lepidium latifolium Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Hwy 37 1 Comment
  CAS-BOT-BC12757  Lepidium oxycarpum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma. Comment
  POM182701  Lepidium oxycarpum D. D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  UC10632  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC226543  Leptosiphon acicularis John Thomas Howell 1948-4-18 24210 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC226544  Leptosiphon acicularis John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54664 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  UCD161364  Leptosiphon acicularis James A Neilson Jr. 1976-5-5 3697 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, alternate well site #2. (Coordinates and location estimated by label maker.) Comment
  CAS-BOT-BC226699  Leptosiphon jepsonii G. DeNevers 1981-5-5 948 Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden Comment
  UCD55069  Leptosiphon jepsonii Ellen Dean; Tammie Beyerl 2006-4-28 3013 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  POM183313  Lessingia arachnoidea John T. Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to camp Meeker Comment
  NY180565  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  UCD132703  Lessingia ramulosa Frederica Bowcutt 1994-7-5 1937 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NEof Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, W of Bear Creek along Goodspeed Trail 231 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
  UCD61337  Leymus californicus Collector Unknown 1942-5-23 10198 Sonoma 2.5 miles W of Bodega town, turning right in town. Comment
  CAS-BOT-BC371446  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, between Cresta and second bridge below Mark West Lodge. 400 Comment
  CDA1615  Lilaea scilloides G. F. Hrusa, R. Gross, A. Buckmann 1996-3-29 12742 Sonoma North Coast Biodiversity Arena; Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. Comment
  CAS-BOT-BC451709  Lilaea scilloides Peter Rubtzoff 1955-5-7 1815 Sonoma Ross Marsh. Comment
  RSA170218  Lilaea scilloides John Weiler, D. Kaplan 1961-3-27 6163 Sonoma Along State Highway 37, 4.4 miles north of Sears Point Comment
Read comments
Mar 25 2014
  RSA178033  Lilaea scilloides Robert F. Thorne 1965-4-19 34275 Sonoma Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC130693  Lilium occidentale Peter Rubtzoff 1951-6-7 133 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC130694  Lilium occidentale Peter Rubtzoff 1951-7-28 567 Sonoma Lower part of the Upper Marsh Comment
  UC496430  Lilium rubescens Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  CHSC22062  Limnanthes douglasii Robert A. Schlising 1962-3-31 2109 Sonoma Coast Ranges. Field. Comment
  CHSC31354  Limnanthes douglasii N. Kvasnik 1980-4-2 3 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  UC971869  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-5-9 1122 A Sonoma 0.8 mi s Kenwood Market (e side of Sonoma-Santa Rosa main hwy); Kinneybrook Farm Comment
  CDA12906  Limnanthes douglasii subsp. nivea G. F. Hrusa, R. Gross, A. Buckmann 1996-3-29 12740 Sonoma North Coast Biodiversity Arena; Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. Comment
  UCD150139  Limnanthes douglasii subsp. nivea 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
  JEPS100987  Limnanthes vinculans Dean W. Taylor 1994-5-4 14205 Sonoma Santa Rosa Plain; north of Todd Road 0.5 mi W of junction with Llano Road (ca. 5 air mi SW Santa Rosa) 24 Comment
  UC1368724  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma e Sebastopol; Laguna de Santa Rosa Comment
  CAS-BOT-BC258682  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC249322  Limosella Peter Rubtzoff 1964-8-20 5469 Sonoma 1 mile southeast of Jenner (near crossing of Hwys. 1 & 12). Comment
  SEINET6969971  Linanthus androsaceus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma About 7.8 miles south-southeast of Annapolis. Comment
  UC336386  Linanthus jepsonii unknown 491 Sonoma Knights Valley Comment
  UC353897  Linanthus jepsonii Milo S. Baker 1928-5-7 2144 b Sonoma opposite Maple Glen Comment
  SEINET7067248  Linum bienne A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  JEPS70989  Linum grandiflorum Peter Rubtzoff 1972-4-23 6727 Sonoma 0.9 mi s Meacham Road junction with Stony Point Road (near Public Refuse Disposal Area road 0.25 mi w of Meacham Road junction) Comment
  CAS-BOT-BC36169  Lithocarpus densiflorus var. densiflorus J. W. Congdon 1890-5-16 s.n. Sonoma Guerneville Comment
  UC1299676  Lithophragma heterophyllum Freed W. Hoffman 1947-5-31 1859 Sonoma Chimney Rock near Monte Rio; North Coast Ranges, Chimney Rock near Monte Rio Comment
  CAS-BOT-BC435672  Lithophragma heterophyllum G. DeNevers 1981-3-14 548 Sonoma Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. In the 1st E fork of the N fork, up the canyon where we planted Pinus ponderosa Comment
  UC581117  Logfia filaginoides H. L. Mason 1934-4-28 8062 Sonoma near Kenwood Springs (Baker's Ranch) Comment
  UC1093862  Logfia gallica Herbert L. Mason 1947-5-4 13210 Sonoma near Kenwood; Hood Mountain Comment
  CAS-BOT-BC342499  Logfia gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54005 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC342500  Logfia gallica H. L. Mason 1934-4-28 8078 Sonoma Jensen's Ranch, head of Dohrmann Creek Comment
  JEPS81825  Lomatium californicum Edward Lee with W. A. Setchell 1936-6-8 2208 Sonoma Belvedere, Bohemian Grove Comment
  UC140572  Lomatium californicum C. F. Baker 1903-4-20 2602 Sonoma Mt. St. Helena Comment
  UCD127037  Lomatium californicum Frederica Bowcutt 1996-5-24 2155 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 just N of Sonoma/Rattlesnake Creek confluence on a small knoll. 381 Comment
  UCD127042  Lomatium dasycarpum subsp. dasycarpum Botany 102 Students 1993-5-8 262 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon. Comment
  UCD127043  Lomatium dasycarpum var. dasycarpum Frederica Bowcutt 1994-5-21 1803 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 2.5 air miles NE of Kenwood,. Along Meadow Trail, approx. 3/8 mile from trailhead. 1300 Comment
  JEPS17532  Lomatium nudicaule W. L. Jepson 1912-4-17 4771 Sonoma Sonoma Valley Comment
  CAS-BOT-BC361371  Lomatium repostum Greg de Nevers 1997-3-20 10920 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill 400 Comment
  JEPS86814  Lomatium repostum Jack and Betty Guggolz 1991-5-4 1127 Sonoma <firebrake> on s. side Bradford Mt. (1 mi. w. of Dry Creek Rd.) 341 Comment
  CAS-BOT-BC361356  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC240645  Lonicera hispidula Walter Knight; Irja Knight 1963-9-15 294 Sonoma Los Alamos Rd., Santa Rosa Comment
  POM46734  Lonicera involucrata A. A. Heller 1902-6-11 5690 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  CAS-BOT-BC244006  Lonicera involucrata var. ledebourii Peter Rubtzoff 1951-5-28 83 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC244008  Lonicera involucrata var. ledebourii Peter Rubtzoff 1952-3-23 898 Sonoma North of the Lower Marsh, Pitkin Marsh near Forestville Comment
  UCD137389  Lonicera involucrata var. ledebourii Terri Williamson 1990-5-20 50 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  CAS-BOT-BC243999  Lonicera involucrata var. ledebourii Mary P. Wells 1984-8-9 447 Sonoma Public path through golf course to the see, The Sea Ranch Comment
  CAS-BOT-BC244002  Lonicera involucrata var. ledebourii A. A. Heller 1902-6-11 5690 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC293671  Lotus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA234558  Lotus angustissimus Peter Rubtzoff 1967-8-28 5869 Sonoma Lower Salmon Creek Marsh. Comment
  UC1129051  Lotus formosissimus H. S. Yates 1934-4-21 3792 Sonoma near Bodega; Sebastopol Quad. 91 Comment
  UC454673  Lotus oblongifolius var. oblongifolius I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  RSA18653  Lotus wrangelianus A. A. Heller 1903-4-25 6599 Sonoma Fort Ross Comment
  UCD65927  Ludwigia hexapetala B. J. Grewell 2006-11-10 06- 90 -LU Sonoma Russian River at Veteran's Memorial Park, Healdsburg. Collection upstream of dam, east bank at canoe/kayak launch area. 24 Comment
  CAS-BOT-BC257688  Ludwigia palustris Peter Rubtzoff 1960-6-9 4484 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  RSA800127  Ludwigia palustris Peter Rubtzoff 1972-6-27 6793 Sonoma Atascadero Creek Marsh. Comment
  RSA800589  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC157696  Ludwigia peploides Peter Rubtzoff 1955-8-21 2091 Sonoma Vacation Beach, near Guerneville along Russian River, below the dam. Comment
  RSA791568  Ludwigia peploides Peter Rubtzoff 1958-7-20 3782 Sonoma Laguna de Santa Rosa, NE of Graton (near Guerneville Road). Comment
  UCD65950  Ludwigia peploides subsp. peploides B. J. Grewell 2006-9-19 06- 74 -LU Sonoma Spring Lake, Sonoma County Park. Santa Rosa, CA. Shoreline near kayak rental and concession area at Spring Creek overflow spillway. 90 Comment
  CAS-BOT-BC198251  Lupinus Mrs. H. C. Cantelow 1936-4-5 1183 Sonoma Fort Ross Grade Comment
  SEINET10488426  Lupinus albifrons Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-8 Conrad 7077 Sonoma Roadside along hwy 1, 3.4 miles n of jenner 91 Comment
  UCD106014  Lupinus albifrons var. albifrons Botany 102 Students 1993-4-24 104 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1.3 air miles SE of Red Mtn, about 25 meters S of Sonoma Creek along Meadow Trail about 0.25 miles from intersection with Brushy Peaks and hillside Trails. 396 Comment
  CAS-BOT-BC196043  Lupinus albifrons var. collinus A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood Comment
  CAS-BOT-BC196044  Lupinus albifrons var. collinus Peter Rubtzoff 1953-5-18 1414 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  SD39021  Lupinus arboreus Edith A. Purer 1932-7-21 4035 Sonoma Bodega Bay, sandy bluff Comment
  JEPS128290  Lupinus bicolor Roger Raiche 2002-4-12 003 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC15934  Lupinus bicolor Harley P. Chandler 1900-5-25 671 Sonoma Bodega Comment
  UC15936  Lupinus bicolor W. H. Brewer 1862-4-17 982 Sonoma near Sonoma (Sonoma Valley) Comment
  UC796636  Lupinus bicolor Ira L. Wiggins 1949-4-30 12066 Sonoma 4 mi w Calistoga (just w of the county line); w of Calistoga Comment
  UCR248903  Lupinus bicolor Peter Rubtzoff 1969-5-11 6043 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UC126965  Lupinus bicolor F. T. Bioletti 1892-1 Sonoma Comment
  UC126967  Lupinus bicolor Willis L. Jepson 1893-5-3 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena (foot of grade) Comment
  CAS-BOT-BC187860  Lupinus chamissonis Alice Eastwood 1915-6-29 4845 Sonoma Bodega Point Comment
  SEINET10485253  Lupinus densiflorus var. palustris Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-8 Conrad 7076 Sonoma Roadside along hwy 1, 3.4 mi. N of jenner. 91 Comment
  UCD108123  Lupinus latifolius Freed W. Hoffman 1947-4-3 886 Sonoma Road to Austin Ranch, near Guerneville. Comment
  SEINET10490799  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-6-5 Congdon s.n. Sonoma Petaluma. Morphology study voucher. Comment
  UC201959  Lupinus littoralis Milo S. Baker 1899-6-27 Sonoma Coast road near Bodega Bay; Coast Road near Bodega Bay Comment
Read comments
Apr 13 2007
  UCR143605  Lupinus littoralis G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  UC726340  Lupinus microcarpus var. microcarpus A. A. Heller 1938-5-14 15091 Sonoma near Two Rocks; near Two Rocks Comment
  SBBG69038  Lupinus microcarpus var. microcarpus L. Rowntree 1931-7-13 Sonoma near Bodega Comment
  POM276264  Lupinus nanus subsp. nanus Lyman D. Benson 1935-3-31 6403 Sonoma U.S. 101, S. of Cloverdale. 244 Comment
  RSA0023080  Lupinus nanus subsp. nanus Peter Rubtzoff 1974-5-18 7411 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  RSA87076  Lupinus nanus var. apricus F. W. Peirson, Mabel B. Peirson 1926-4-1 6545 Sonoma 4 miles north of Ignacio. Comment
  POM10847  Lupinus polycarpus M. Alice King 1897-04 128 Sonoma Near Healdsburg Comment
  RSA0022414  Lupinus polycarpus Peter Rubtzoff 1971-5-8 6436 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  UC201943  Lupinus rivularis Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC8279  Lupinus sonomensis Amos Arthur Heller 1940-5-17 15638 Sonoma 2 miles E of Shellville, along road Comment
  RSA0036487  Lupinus variicolor Daisie Huang 2006-5-30 06053005 Sonoma Bodega Marine Laboratory. Costal bluff near building (waypt 30B). 1 Comment
  UCD166730  Luzula Peter Rubtzoff 1962-4-11 4793 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC210065  Luzula Peter Rubtzoff 1955-6-4 1900 Sonoma Forestville Marsh Comment
  POM170557  Luzula comosa A. A. Heller, H. E. Brown 1902-3-26 2793 Sonoma Santa Rosa Creek. Comment
  UCD167635  Lychnis coronaria James A. Neilson Jr. 1984-6-14 s.n. Sonoma Mayacmas Mountains. St. Helena trout farm. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CDA37333  Lythrum hyssopifolia D. G. Kelch, Troy McGregor 2010-8-22 10 .341 Sonoma Geyser Peak Rd. Comment
  UC1784223  Lythrum hyssopifolia Ethel Crum 1930-1 731 Sonoma Petaluma Comment
  UCD151200  Lythrum hyssopifolia James A. Neilson Jr. 1974-7-10 2815 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  CDA15313  Lythrum salicaria Lane 1998-8-2 s.n. Sonoma Park Ave. Turf, 3075 Old Graverstein Hwy, Sebastopol. 0 Comment
  UCD166261  Madia Peter Rubtzoff 1970-8-19 6329 Sonoma On Austin Creek Beach, 3.5 miles south of Cazadero. Comment
  CAS-BOT-BC344040  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  UC1069866  Madia elegans H. S. Yates 1935-10-3 5347 Sonoma Santa Rosa; Santa Rosa Quadrangle Comment
  CAS-BOT-BC344033  Madia elegans Peter Rubtzoff 1952-7-20 1307 Sonoma Pitkin Ranch, Vine Hill region Comment
  CAS-BOT-BC344034  Madia elegans James I. McMurphy 1909-5-29 s.n. Sonoma Mountains near The Geysers Comment
  JEPS12584  Madia elegans Eleanor Armstrong June 1932 509 Sonoma hill below St. Dorothy's (near Camp Meeker) 121 Comment
  POM194541  Madia exigua Y. Mexia 1929-6-2 2391 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC343465  Madia gracilis G. DeNevers 1981-5-15 1217 Sonoma Pepperwood Ranch. Near base of Hansel's driveway Comment
  CAS-BOT-BC343471  Madia gracilis Catherine Best 1981-6-5 s.n. Sonoma Warm Springs Dam Overlook Comment
  POM231097  Madia nutans Jens Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Springs. Comment
  POM215200  Madia sativa D. D. Keck 1933-11-6 2647 Sonoma 1 mile north of Freestone on road to Occidental Comment
  UC517527  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma near Kenwood Comment
  UC830910  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa Comment
  CAS-BOT-BC345257  Madia sativa H. D. Ripley; R. C. Barneby 1945-6-22 6942 Sonoma North of Jenner 30 Comment
  CAS-BOT-BC511334  Maianthemum dilatatum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  SEINET12051382  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -271 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC511489  Maianthemum stellatum Greg de Nevers 1993-4-6 10357 Sonoma Pepperwood Ranch Natural Preserve, 3450 Faranz Valley Road 304 Comment
  CHSC26309  Maianthemum stellatum P. Kunst 1977-4-12 31 Sonoma 170 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-BC173561  Marah Peter Rubtzoff 1980-5-26 9448 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  JEPS42485  Marah oregana W. L. Jepson 1893-5-1 14130 Sonoma e Mark West Springs; Franz Valley Comment
  CAS-BOT-BC348223  Matricaria discoidea Volney Rattan 1867-4-1 s.n. Sonoma Black Point Comment
  CAS-BOT-BC348313  Matricaria occidentalis Peter Rubtzoff 1972-5-25 6772 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC348314  Matricaria occidentalis Peter Rubtzoff 1970-5-16 6227 Sonoma 5 mi. north of Sears Point Comment
  UC855219  Meconella californica Alice Eastwood 1917-5-10 Sonoma on rd Bodega Point Comment
  CAS-BOT-BC262981  Medicago polymorpha Peter Rubtzoff 1958-9-28 4019 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA0009775  Medicago polymorpha Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC281273  Melica geyeri Peter Rubtzoff 1952-6-10 1202 Sonoma NE slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC281274  Melica geyeri G. DeNevers 1981-5-5 928 Sonoma Pepperwood Ranch. W arm of Garrison Canyon, above the Viburnum Comment
  UCD87348  Melica geyeri R. Tofsrud 1941-4-1 280 Sonoma Doyle Park, Santa Rosa. Comment
  UCD87389  Melica harfordii Beecher Crampton 1955-6-17 2941 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC262552  Melica torreyana G. DeNevers 1981-5-15 1182 Sonoma Pepperwood Ranch. In first big left hand Canyon off N arm of Garrison Canyon Comment
  CAS-BOT-BC262556  Melica torreyana Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 miles north of Occidental Comment
  CAS-BOT-BC262558  Melica torreyana Peter Rubtzoff 1952-6-3 1161 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  HSC10374  Melica torreyana L. S. Rose 1965-4-4 65022 Sonoma 1 mi. N of Sonoma. 61 Comment
  SEINET10599670  Melica torreyana A. Arthur Heller 1902-3-27 Heller 5160 Sonoma Western base of Mt. Hood. Comment
  UCD88826  Melica torreyana Virginia Bufford 1936-5-19 295 Sonoma Moss Cottage -- Los Guillicos Valley. Comment
  CAS-BOT-BC164353  Mentha Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  UCR244604  Mentha Peter Rubtzoff 1960-9-17 4571 Sonoma Laguna de Santa Rosa near Trenton [Rd.] (south of Woolsey Road) Comment
  UCD148385  Mentha canadensis Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  SEINET12330323  Mentha pulegium W. Knight, Knight, I. 1984-1 5429 Sonoma Willow Creek Road 61 Comment
  UCD148454  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC166975  Mentha spicata Peter Rubtzoff 1968-8-24 5936 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA784401  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC348619  Micropus californicus var. californicus Greg de Nevers; Frank Almeda 1987-4-11 8149 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC581112  Micropus californicus var. californicus H. L. Mason 1934-4-28 8077 Sonoma head Dohrmann Creek; Jensen's Ranch Comment
  CAS-BOT-BC210116  Microseris Peter Rubtzoff; H. A. Froebe 1971-5-30 6499 Sonoma Border of dry vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  SEINET7096778  Microseris douglasii A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane.Ca 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  CAS-BOT-BC348856  Microseris douglasii subsp. douglasii Greg de Nevers 1993-4-11 10366 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  UCD165221  Microseris laciniata subsp. laciniata Peter Rubtzoff; Nancy Harrison, Dug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  SD6295  Mimetanthe pilosa Michener, Bioletti 1891-9-7 1686 b Sonoma Shellville Comment
  SD7425  Mimetanthe pilosa Michener, Bioletti 1892-7-3 1686 a Sonoma Healdsburg Comment
  CAS-BOT-BC311867  Mimulus Peter Rubtzoff 1958-6-1 3698 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC320521  Mimulus Peter Rubtzoff 1970-6-21 6265 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA0025389  Mimulus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  UCD162165  Mimulus aurantiacus D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1518 Sonoma Hooker Creek watershed. 520 Comment
  UCD122218  Mimulus aurantiacus Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 66 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. Comment
  HSC42330  Mimulus aurantiacus var. aurantiacus S. Saufferer 1973-5-24 215 Sonoma Bodega Bay Comment
  JEPS27319  Mimulus aurantiacus var. aurantiacus Eleanor Armstrong May 1932 503 Sonoma near Camp Meeker 121 Comment
  RSA39875  Mimulus aurantiacus var. aurantiacus P. A. Munz 1947-10-9 12212 Sonoma Dry Slope near entrance to Armstrong Redwoods State Park Comment
  UCD101290  Mimulus cardinalis Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 450 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
  POM5118  Mimulus guttatus A. A. Heller 1902-6-11 5687 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UCD122711  Mimulus guttatus Terri Williamson 1990-5-20 58 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  RSA0022512  Mimulus guttatus Peter Rubtzoff 1964-5-20 5321 Sonoma Bodega Bay Marsh. Comment
  UCSB31445  Mimulus guttatus Townsend, J. 1977-5-30 Sonoma East bank Russian River; 1 mile south of Guerneville 335 Comment
  UCD160963  Mimulus layneae James A. Neilson Jr. 1975-7-8 3376 Sonoma Mayacmas Ridge. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCD122796  Mimulus moschatus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 96 A Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD40972  Mimulus nanus var. mephiticus Collector Unknown 1978-1 s.n. Sonoma 19 miles east of Fallon. (Fallon is in Marin County, but 19 mi E is Sonoma County). 30 Comment
Read comments
Mar 13 2006
  UC1012301  Mimulus nasutus F. W. Pennell and H. L. Mason 1940-5-21 25487 Sonoma 12 mi e Healdsburg (Route 28); Knights Valley, Maacona Creek 121 Comment
  RSA550574  Mimulus tricolor Peter Rubtzoff, H. A. Froebe 1971-5-30 6482 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Rd. Comment
  UCR242984  Mimulus tricolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  POM151738  Minuartia californica A. A. Heller, H. E. Brown 1902-2-14 5067 Sonoma Near Windsor. Comment
  CAS-BOT-BC388897  Minuartia douglasii Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  POM151736  Minuartia douglasii Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  UCD158806  Minuartia douglasii James A. Neilson Jr. 1974-3-27 2957 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UC932079  Minuartia douglasii Verne Grant and Alva Grant April 1946 7671 Sonoma on Hwy 12 n intersection of highways 48 and 37 Comment
  CAS-BOT-BC435112  Mollugo verticillata Peter Rubtzoff 1969-11-2 6206 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville. Comment
  CAS-BOT-BC435116  Mollugo verticillata James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  CAS-BOT-BC26177  Monardella coriacea A. A. Heller 1902-7-8 5812 Sonoma Russian river at Healdsburg Comment
  UCD67624  Monardella purpurea D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  CLARK-A1528-3154  Monardella villosa John C. Roos 1950-7-22 4868 Sonoma Jenner 30 Comment
  SEINET4173672 Image available Monardella villosa Annetta Carter, Ethel Crum 1941-6-22 1641 Sonoma 3.3 miles east of Bay (Bodega Bay). Comment
  UCD160824  Monardella villosa James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3362 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UC1561918  Monardella villosa subsp. franciscana Barbara Ertter 1989-6-19 8592 Sonoma Dry knoll S of junction Highway 1 and road to Goat Rock Beach S Russian River Comment
  UC666146  Monardella villosa subsp. globosa Annetta Carter, Ethel Crum 1941-6-22 1641 Sonoma 3.3 mi e Bodega Bay; North Coast Ranges Comment
  SEINET10869892 Image available Monardella villosa subsp. sheltonii A. Arthur Heller 1902-7-8 Heller 5812 Sonoma Sandy bank of Russian river at Healdsburg Comment
  CAS-BOT-BC314156  Monardella villosa subsp. subserrata Peter Rubtzoff 1952-6-3 1138 Sonoma Fitch Mtn Grove, near Healdsburg. Comment
  CAS-BOT-BC314158  Monardella villosa subsp. subserrata Peter Rubtzoff 1952-6-13 1256 Sonoma NE slopes of Fitch Mtn, near Healdsburg. Comment
  UC157914  Monardella villosa subsp. villosa Milo S. Baker 1898-6-12 651 Sonoma The Geysers Comment
  JEPS83653  Monardella viridis subsp. viridis R. Raiche 1987-7-5 70380 Sonoma N of Cazadero, The Cedars, Big Austin Creek drainage, between Gravelly Springs and Red Slide Creek. 304 Comment
  UC50091  Monolopia major H. N. Bolander 1866-4-18 4665 Sonoma Petaluma Comment
  CAS-BOT-BC444991  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  JEPS121161  Morella californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18601 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  POM161366  Muilla maritima Rimo C. Bacigalupi 1252 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  CAS-BOT-BC376363  Myosotis discolor Greg de Nevers 1990-3-26 9655 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Weimar Flat. 400 Comment
  SEINET12348989  Myosotis discolor F. H. Utech 1988-5-19 88 -193 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  SEINET9360775  Myosotis sylvatica John Nelson, Wnek, R. 2000-3-7 20936 Sonoma Wet ground on both sides of Hwy 116 just W of Fern Grove cottages on W side of Guerneville. With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  UC1135951  Myrica californica H. S. Yates 1936-5-15 5597 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  SEINET257714  Nassella formicarum Mary E. Barkworth, D. Amme 1989-6-15 5170 Sonoma About 2 miles north of Jenner on US 1 Comment
  CAS-BOT-BC260279  Nassella pulchra Barrett Anderson 1987-4-27 3465 Sonoma Petaluma, S of El Rose and W of D Street 120 Comment
  CAS-BOT-BC260280  Nassella pulchra John Thomas Howell; et al. 1981-5-14 53945 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  UCD87654  Nassella pulchra Gerry North 1993-4 32 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At picnic site across from parking lot east of kiosk. 381 Comment
  CAS-BOT-BC60515  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC60520  Nasturtium officinale Peter Rubtzoff 1958-5-17 3676 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCR261637  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek 151 Comment
  CAS-BOT-BC230366  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1974-5-26 7493 Sonoma Todd Road 1.5 miles from Highway 116 and 0.5 mile from (W of) Llano Road Comment
  CAS-BOT-BC230370  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1976-6-18 8647 Sonoma False Lake Meadow area, Annadel State Park Comment
  UC583200  Navarretia leucocephala subsp. bakeri Alice Eastwood and John Thomas Howell 1936-5-19 2520 Sonoma 2 mi n Windsor Comment
  CAS-BOT-BC233610  Navarretia pubescens Milo S. Baker 1925-6-28 149 a Sonoma Maple Glen near Kenwood Comment
  UCD158735  Navarretia sinistra subsp. pinnatisecta James A. Neilson Jr. 1974-7-25 2864 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. 792 Comment
  UC909750  Navarretia squarrosa Milo S. Baker 1950-7-25 12310 Sonoma near mouth of Adobe Canyon (in yard of Mrs. Silva); Sonoma Canyon Comment
  UCD48682  Navarretia squarrosa Frederica Bowcutt 1984-6-23 425 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. W of Hwy 1. N of Gerstle Cove growing along roads. On Plantation 7.5' Quad. Coastal terrace. 30 Comment
  UCD37159  Navarretia squarrosa Beecher Crampton 1957-7-22 4364 Sonoma Sonoma County, Sonoma Coast State Park, 8.2 miles north of Stewart's Point. Comment
  POM260569  Navarretia tagetina L. S. Rose 1940-5-22 40366 Sonoma Sonoma 30 Comment
  UC1299129  Nemophila heterophylla Freed W. Hoffman April 1948 2757 Sonoma between Camp Meeker and Monte Rio (along Dutch Bill Creek); , btw Camp Meeker and Monte Rio Comment
  UC494180  Nemophila heterophylla H. E. and S. T. Parks 1930-5-9 611 Sonoma Knights Valley Comment
  HSC13610  Nemophila menziesii James Faro 1962-4-18 13 Sonoma About 5 mi. N of Geurneville on the Old Cazadero Rd. Comment
  UC24245  Nemophila menziesii var. atomaria H. N. Bolander April, 1864 3883 Sonoma Cloverdale Comment
  UC67151  Nemophila menziesii var. atomaria Milo S. Baker 1899-3 Sonoma near Kenwood (Dr. Turk Canyon); Dr Turk Canyon, near Kenwood Comment
  CAS-BOT-BC231191  Nemophila parviflora Mrs. E. C. Sutliffe 1927-6-1 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC157698  Nicotiana Peter Rubtzoff 1958-8-30 3939 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  CAS-BOT-BC164404  Nicotiana Peter Rubtzoff 1965-8-29 5631 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  UC70571  Nicotiana quadrivalvis W. A. Setchell 1905-8-13 Sonoma banks of Russian River (Bohemia); Bohemia Comment
  CAS-BOT-BC400125  Nuphar polysepala Peter Rubtzoff 1964-8-20 5468 Sonoma 1 mi. southeast of Jenner (nr. crossing of Hwys. 1 & 12) 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
  JEPS67154  Orobanche californica subsp. grayana Peter Rubtzoff 1971-8-23 6648 Sonoma Laguna, Chileno Valley. Comment
  RSA177933  Orthocarpus attenuatus Robert F. Thorne 1965-4-20 34334 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  POM15720  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-4 5219 Sonoma Hills east of Santa Rosa Comment
  RSA789046  Orthocarpus erianthus Carrie A. Herd 1982-3-16 25 Sonoma Santa Rosa, S.W. corner of Fulton and Piner Roads Comment
  SDSU10841  Orthocarpus erianthus var. roseus D. F. Howe 1969-5-29 4583 Sonoma Sea Ranch. Comment
  POM210213  Orthocarpus faucibarbatus H. E. Parks 1930-5-9 s.n. Sonoma Knights Valley, Comment
  SEINET8733536 Image available Orthocarpus faucibarbatus Lewis S. Rose 1933-1 33158 Sonoma BODEGA BAY Comment
  POM15378  Orthocarpus lithospermoides M. S. Baker 1898-5-7 599 Sonoma Glen Ellen Comment
  POM15358  Orthocarpus pusillus A. A. Heller, H. E. Brown 1902-4-8 5230 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD127765  Osmorhiza berteroi J. Adams; J. Weick 1993-5-8 296 Sonoma about 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. 365 Comment
  UC455385  Oxalis oregana I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC971947  Oxalis oregana Martha Meagher 1947-3-23 93 Sonoma 1/2 mi w Freezout (across Russion River from Duncan's Mills) Comment
  UCD160299  Packera eurycephala James A. Neilson Jr. 1975-5-17 3192 Sonoma West of State Highway 29, Robert Louis Stevenson State Park, 2/3 of the way to summit of Mt. St. Helena along road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  CAS-BOT-BC376436  Panicum Greg de Nevers 1996-9-22 10878 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Mark West Creek at Leslie Creek. 400 Comment
  UCD165323  Panicum Peter Rubtzoff 1973-8-20 7232 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD88559  Panicum acuminatum var. fasciculatum Freed W. Hoffman 1942-6-21 2143 Sonoma At 'Hillcrest' on highway from Forestville to Sebastopol. Comment
  SBBG115658  Panicum thermale B. Crampton 1964-8-18 7139 c Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  JEPS30838  Parapholis incurva Rimo Bacigalupi and L. R. Heckard 1962-6-19 8594 Sonoma just above beach line on Bodega Harbor side Bodega Head (opposite spit of Doran Beach); Bodega Harbor side of Bodega Head, opposite Doran Beach Comment
  CDA31308  Parentucellia viscosa D. G. Kelch, Ed Biffin 2010-5-3 10 .209 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CDA32871  Parentucellia viscosa CDFA Staff 1980-1 Sonoma 0 Comment
  UCSB31794  Parentucellia viscosa Townsend, J. 1977-5-30 Sonoma South side calif. state 1166, 2 miles south of Forestville 365 Comment
  CAS-BOT-BC312685  Paspalum Peter Rubtzoff 1987-9-27 9852 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  JEPS128249  Pedicularis densiflora Roger Raiche 2000-5-5 096 .00 Sonoma The Cedars. Danfield Creek drainage near crest with Pepperwood Creek; topographic peak 2061. Gualala River, Wheatfield Fork watershed. Comment
  SD88564  Pedicularis densiflora Darley F. Howe 1972-2-20 Sonoma Trinity Road, Mt. Hood Range Comment
  JEPS77252  Pedicularis densiflora Robert M. Lloyd 1963-4-24 2391 Sonoma 12.6 mi from State Hwy 12 on road to Oakdale 457 Comment
  UC62502  Pellaea andromedifolia J. Burtt Davy 1894-12-9 863 Sonoma Kenwood Comment
  UCD137599  Pellaea andromedifolia Frederica Bowcutt 1996-3-24 2081 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa; about 1/2 air mile SSE of Red Mtn., along Vista Trail. 563 Comment
  UCD158871  Pellaea mucronata James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2913 Sonoma Mayacmas Mountains; unnamed creek east of Truit Creek, ca 2 miles west of The Geysers. (Elevation estimated by label maker using Google Earth.) 457 Comment
  UC672463  Penstemon heterophyllus H. L. Mason 1934-4-28 8071 Sonoma Jensen's Ranch head of Dohrman Creek, Jensen's Ranch Comment
  UCD160868  Penstemon heterophyllus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3292 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET12326114  Penstemon heterophyllus W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Rd 2.5 mi from State Route 12,300 yds S of summit 152 Comment
  UC887199  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC71731  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-9 1181 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC71733  Pentagramma triangularis subsp. triangularis John H. Thomas 1976-6-18 18358 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC222742  Perideridia gairdneri subsp. gairdneri John Thomas Howell 1946-8-17 22862 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC222746  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC222748  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1958-7-26 3798 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  RSA217993  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  RSA224288  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Southern part of the Upper Marsh Comment
  UC1287831  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  CHSC101363  Perideridia kelloggii Holly Forbes; Barbara Keller 2007-10-26 UCBG- 10 Sonoma Ecoregion 15. Coleman Valley Road, 8.05 km west of junction with Bohemian Highway. 304 Comment
  JEPS128254  Perideridia kelloggii Roger Raiche 2000-7-24 142 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  UC479151  Perideridia kelloggii Marcus E. Jones, A. M. 1931-7-5 29049 Sonoma The Geysers Comment
  CAS-BOT-BC413663  Persicaria amphibia Peter Rubtzoff 1960-5-29 4425 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC413664  Persicaria amphibia Volney Rattan 1877-6-4 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC413746  Persicaria hydropiper Peter Rubtzoff 1966-6-5 s.n. Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville rds. Comment
  CAS-BOT-BC418895  Persicaria hydropiperoides Greg de Nevers 1987-7-10 8237 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC418902  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4535 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC418906  Persicaria hydropiperoides Peter Rubtzoff 1960-9-17 4565 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  CAS-BOT-BC418908  Persicaria hydropiperoides Peter Rubtzoff 1958-7-19 3777 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  SJSU5986  Persicaria hydropiperoides C. W. Sharsmith 1972-6-24 7807 Sonoma Laguna de Santa Rosa, N of Sebastopol, E of Graton Comment
  CAS-BOT-BC419113  Persicaria lapathifolia Peter Rubtzoff 1963-8-24 5244 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC419114  Persicaria lapathifolia Peter Rubtzoff 1968-9-21 5979 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC419120  Persicaria lapathifolia Peter Rubtzoff 1956-9-14 2888 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC419266  Persicaria maculosa Peter Rubtzoff 1951-7-14 4 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC419268  Persicaria maculosa Peter Rubtzoff 1966-8-25 5798 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC419429  Persicaria punctata Peter Rubtzoff 1955-9-24 2156 Sonoma Guerneville Marsh Comment
  UCD98395  Petrorhagia nanteuilii Rimo Bacigalupi; G. T. Robbins, F. Hoffman 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek, at base of 'The Butcher Knife' (R12W). 182 Comment
  UCD98397  Petrorhagia nanteuilii Botany 102 Students 1993-5-8 224 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. 396 Comment
  UC1333289  Phacelia californica Malcolm L. Byce 1936-3-21 147 Sonoma 1 1/2 mi e Bodega Bay; Larkspur Rock Comment
  UC672383  Phacelia californica Herbert L. Mason 1928-7-10 4887 Sonoma Jenner Russian River (mouth of river) Comment
  UC923118  Phacelia californica Freed W. Hoffman 1950-6-1 3324 Sonoma Kruz Ranch North Coast Ranges (on coast) Comment
  UCD120296  Phacelia californica Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1808 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 Meadow trail appx. 1/2 mi from trailhead. 396 Comment
  UC73702  Phacelia ciliata var. ciliata Milo S. Baker 1898-4-7 15 Sonoma Gualala River Comment
  JEPS22726  Phacelia distans Rimo Bacigalupi 1958-5-24 6364 Sonoma n slope just below Camp Meeker; Dutch Bill Creek Canyon, Alder Canyon 97 Comment
  JEPS2394  Phacelia distans Milo S. Baker 1898-4-23 Sonoma Santa Rosa Cr. Canyon Comment
  SD72106  Phacelia distans H. S. Yates 1934-4-21 Sonoma Near Bodega Comment
  UC735109  Phacelia imbricata Lincoln Constance, J. F. Davidson, R. H. Shan, and W. H. Wagner 1946-5-18 3051 Sonoma near Petrified Forest 60 Comment
  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
  UCD120591  Phacelia imbricata John Thomas Howell 1929-6-9 4307 Sonoma On road to Petrified Forest, 7.5 miles from Santa Rosa. Comment
  RSA201447  Phacelia imbricata subsp. imbricata J. T. Howell 1929-6-9 4302 Sonoma Two miles north of Sonoma. Comment
  CAS-BOT-BC331488  Phalaris Peter Rubtzoff 1972-6-11 6777 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC332702  Phalaris Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7839 Sonoma Kenwood Marsh. Comment
  RSA783846  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC258954  Phalaris aquatica Mary P. Wells 1984-5-24 297 Sonoma Annadel State Park (near Santa Rosa) Comment
  CAS-BOT-BC258953  Phalaris aquatica Mary P. Wells 1981-8-2 s.n. Sonoma Hedge Gate Road, Unit 21, The Sea Ranch Comment
  CAS-BOT-BC265843  Phalaris arundinacea Peter Rubtzoff 1962-5-25 4832 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Crossing. Comment
  CAS-BOT-BC265844  Phalaris arundinacea Peter Rubtzoff 1958-5-17 3659 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Comment
  CAS-BOT-BC259021  Phalaris californica Peter Rubtzoff 1962-6-1 4860 Sonoma Freestone Marsh Comment
  UC730028  Phalaris californica Leo F. Koch 1940-4-20 806 Sonoma along Plantation Road ten mi from Highway 101 Comment
Read comments
Jun 1 2015
  CAS-BOT-BC265917  Phalaris lemmonii John Thomas Howell 1947-6-5 23243 Sonoma Near Wright School 4 mi. W of Santa Rosa Comment
  UC933815  Phalaris minor Leo Koch 1940-4-24 852 Sonoma at Cuttings Wharf near Petaluma; near Petaluma Comment
  UCR248880  Phalaris minor Peter Rubtzoff 1972-6-11 6777 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UC1146649  Phalaris paradoxa Freed W. Hoffman 1943-6-6 2209 Sonoma near Wright's Beach (Sonoma Coast); North Coast Ranges, , near Wright's Beach Comment
  UCD89407  Phalaris paradoxa David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mile W of junction of Arnold Drive. Comment
  UCD89316  Phleum alpinum P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  JEPS69993  Phlox speciosa subsp. occidentalis Milo S. Baker 1928-3-24 2718 c Sonoma 5 mi w Healdsburg (on Jensen ranch) Comment
  RSA572342  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 54 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. Comment
  UCD102206  Phoradendron leucarpum subsp. tomentosum Linda A. Bell 1975-5-24 185 Sonoma Mosquito Ridge Road, 17.5 miles East of junction with Auburn-Foresthill Road. 1310 Comment
  POM267616  Phyla nodiflora Lyman D. Benson 1928-6-25 350 Sonoma Street, Santa Rosa. North Coast mtn range, Sonoma Valley. 61 Comment
  RSA227242  Phyla nodiflora Peter Rubtzoff 1958-7-26 3806 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  SEINET3290573 Image available Phyllospadix torreyi W. R. Russell, Roman Gankin 1956-11-14 s.n. Sonoma North end of Sonoma State PArk, about 3 miles north of Bodega Bay Comment
  RSA534576  Physocarpus capitatus Peter Rubtzoff 1957-4-28 3287 Sonoma Lower Salmon Creek marsh. Thicket on hillslope at the edge of the marsh. Comment
  SEINET11912073  Physocarpus capitatus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -264 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Road 150 Comment
  UCD158851  Pickeringia montana James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2924 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  CAS-BOT-BC202283  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-9-1 151 Sonoma Pine Mt. Rd, NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC202284  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-9-15 289 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC173529  Picris echioides Peter Rubtzoff 1973-8-20 7221 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA796378  Picris echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  CDA500  Pinus attenuata G. Fred Hrusa 2000-2-6 s.n. Sonoma Mt. St. Helena, NW facing slope; 1/4 mi N of summit of Ida Clayton Rd. 0 Comment
  SEINET11738931  Pinus attenuata W. Knight, Knight, I. 1981-1 3981 Sonoma 5.2 mi up Cavedale road from jct of state route #12 Comment
  UCD134386  Pinus attenuata J. M. Tucker; C. H. Lamoureux 1958-6-8 3405 Sonoma 1.8 miles east of junction of Trinity Road and State Highway 12, beside the former. Comment
  NY49679  Pinus contorta var. contorta S. Flowers 1988-2-5 s.n. Sonoma Sonoma Road marker, Highway 1, 52.32 mile at Pebble Beach Access trail, across Sea Ranch. Tree located 20 ft. west of Highway 1 and 12 ft. north off parking entrance Comment
  SBBG55586  Pinus muricata D. I. Axelrod 1983-7-7 E- 3 Sonoma St Hwy 1, vicinity of Salt Point; ISOTYPE: P. muricata var. borealis 76 Comment
  UC1505975  Pinus muricata Daniel I. Axelrod 1983-7-7 E 3 Sonoma Vicinity of Salt Point; along State Hwy 1 76 Comment
  UCSC008209  Piperia elegans Randall Morgan 1989-1 1321 -P, 1324-P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  UCSC008263  Piperia elegans Randall Morgan 1989-1-1 1322 -P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  UCSC008352  Piperia elegans subsp. elegans Randall Morgan 1989-1-1 1319 -P, 1320-P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  JEPS128342  Piperia transversa Roger Raiche 2010-7-18 040 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC166950  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166175  Plagiobothrys Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC155000  Plagiobothrys Peter Rubtzoff 1970-5-30 6237 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC166752  Plagiobothrys Peter Rubtzoff 1969-6-15 6091 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  SEINET3101780  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCR279865  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6231 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  RSA620969  Plagiobothrys bracteatus Peter Rubtzoff 1962-6-8 4889 Sonoma Bennett Mountain Lake Comment
  RSA783848  Plagiobothrys bracteatus Peter Rubtzoff 1972-6-11 6780 Sonoma Laguna, Chileno Valley. Comment
  POM118682  Plagiobothrys nothofulvus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  RSA0062817  Plagiobothrys reticulatus Greg de Nevers 1989-04 9070 Sonoma Pepperwood Ranch, 3450 Franz Valley Road. By Murrys Gate. 100 Comment
  SEINET3292823 Image available Plagiobothrys scouleri Lewis S. Rose 1933-5-9 33155 Sonoma Bodega Bay Comment
  RSA0083878  Plagiobothrys stipitatus var. micranthus Peter Rubtzoff 1970-5-16 6231 Sonoma 5 miles north of Sears Point Comment
  UCD166112  Plagiobothrys tener Peter Rubtzoff 1972-5-14 6740 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  UCR280147  Plagiobothrys tener var. tener Peter Rubtzoff 1972-4-23 6735 Sonoma North Coast Range, 4.25 miles west of Glen Ellen on Bennett Valley Road 220 Comment
  CAS-BOT-BC376290  Plantago Greg de Nevers 1992-6-16 10172 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 304 Comment
  CAS-BOT-BC258399  Plantago Peter Rubtzoff 1959-6-20 4143 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC376388  Plantago coronopus Greg de Nevers 1993-4-26 10403 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mountain House driveway. 400 Comment
  SD88566  Plantago maritima subsp. juncoides Darley F. Howe 1972-5-3 Sonoma 4.0 miles north of Ft. Ross. Comment
  JEPS19391  Plantago subnuda G. Thomas Robbins with John Weiler 1937-6-5 220 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  CHSC60118  Platystemon californicus E. L. Knight 1988-4-1 5 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  SD130425  Platystemon californicus F. Almeda, G. DeNevers 1981-3-30 4882 Sonoma Vicinity of the Bechtel Cabin. Comment
  UC50149  Platystemon californicus Willis L. Jepson 1893-4-25 Sonoma trail to Caux's Cabin w St. Helena; w of St. Helena Comment
  UCD55073  Plectritis ciliosa Ellen Dean; Tammie Beyerl 2006-4-28 3017 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UC796640  Plectritis macrocera Ira L. Wiggins 1949-4-30 12060 Sonoma 6.8 mi e of Santa Rosa (on road to Calistoga) Comment
  SEINET10717831  Pleuropogon P. Rubtzoff 1966-4-30 Rubtzoff 5686 Sonoma On north side of Highway 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  CDA11317  Pleuropogon californicus G. F. Hrusa, A. Buckman, R. Gross 1995-4-1 12032 Sonoma North Coast Biodiversity Arena; LAGUNA DE SANTA ROSA. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Moist upper margins of pools. Comment
  JEPS77873  Pleuropogon californicus Robert M. Lloyd 1965-5-8 3636 Sonoma se of Sebastepol (about 4 mi n of Route 116, Upper portion of Laguna de Santa Rosa Marsh, e of Cunningham); Laguna de Santa Rosa Marsh Comment
  UC1132563  Pleuropogon californicus H. S. Yates 1937-6-5 6675 Sonoma near Wildwood 121 Comment
Read comments
Jul 28 2008
  UC1258209  Pleuropogon californicus Paul But with Raymond Auyeung 1975-5-17 P 40 Sonoma 2 mi ne of Sebastopol (1/4 mi from Hwy 12, on Llano Road) Comment
  UC573891  Pleuropogon californicus H. S. Yates 1937-6-5 6575 Sonoma near Wildwood 121 Comment
  CAS-BOT-BC260932  Pleuropogon californicus var. californicus John Thomas Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley Comment
  CAS-BOT-BC260971  Pleuropogon californicus var. californicus Peter Rubtzoff 1961-5-24 4601 Sonoma Upper Stemple Creek Marsh Comment
  RSA184881  Pleuropogon californicus var. californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma. 24 Comment
  RSA227223  Pleuropogon californicus var. californicus Peter Rubtzoff 1961-5-24 4601 Sonoma Upper Stemple Creek Marsh. Comment
  RSA201212  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 s.n. Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati. Comment
  RSA337035  Pleuropogon californicus var. californicus Paul But, Raymond Auyeung 1975-5-17 P 40 Sonoma On Llano Road, 1/4 mile from Highway 12, 2 miles northeast of Sebastopol. Comment
  SEINET10611506  Pleuropogon californicus var. californicus Edward Lee 1934-4-30 Lee 753 Sonoma 1 mile west of 2 Rock junction. Comment
  UCD90193  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Sonoma south of East Windsor. Comment
  UC1258216  Pleuropogon hooverianus Paul But 1976-4-26 P 5 Sonoma 0.5 mi from Freestone (on Bohemian Hwy at Freestone Flat Road) Comment
  CAS-BOT-BC422356  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma Kenwood Marsh. Comment
  RSA0021489  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma Kenwood Marsh Comment
  UCD90366  Poa annua Gerry North 1993-4 4 Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At Goodspeed trailhead pullout. 213 Comment
  CAS-BOT-BC256029  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC243249  Poa secunda subsp. secunda Catherine Best 1981-5-2 s.n. Sonoma At the edge of Stoetz Lane about 2 miles NE of Occidental Comment
  CAS-BOT-BC243250  Poa secunda subsp. secunda Catherine Best 1980-4-16 s.n. Sonoma Westerbeke Ranch near El Verano Comment
  UCD37558  Poa secunda subsp. secunda Beecher Crampton 1955-4-5 2402 Sonoma 2 miles N of Healdsburg, along US Hwy 101. Comment
  UCD90897  Poa secunda subsp. secunda B. A. Etcheverry 1928-4-22 s.n. Sonoma Wilbur Springs. Comment
  CAS-BOT-BC244193  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC244194  Poa trivialis Peter Rubtzoff 1962-5-25 4831 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road crossing Comment
  UCD92096  Poa trivialis Beecher Crampton 1955-6-17 2939 Sonoma 0.5 mile south of Guerneville. Comment
  UCD92101  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
  UC463110  Poa unilateralis Milo S. Baker 1931-4-18 5390 Sonoma Bodega Bay Comment
  CAS-BOT-BC244265  Poa unilateralis John Thomas Howell 1931-4-18 6429 Sonoma 8 miles N of Bay Comment
  SEINET9339237  Pogogyne douglasii Unknown 2009-5-12 Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). Associates: Juncus bufonius, Deschampsia danthoniodes, Leontodon taraxacoides. Comment
  POM138788  Polygala californica Michener, Bioletti 1893-5-7 s.n. Sonoma Hood's Peak Comment
  RSA178014  Polygala californica Robert F. Thorne 1965-4-20 34338 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 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
  UCR32675  Polygala californica T. L. Wendt, E. J. Lott 1975-6-8 1029 Sonoma North Coast Range, At John Morrison's property just south of Coleman Valley Rd, 1.2 mi west of Occidental, 5-6 year old field and adjacent forest 299 Comment
  SEINET12205240  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -162 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC110532  Polygonum Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC110538  Polygonum Peter Rubtzoff 1986-9-28 9751 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC110536  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7853 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC183622  Polygonum arenastrum Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh Comment
  UC1562675  Polygonum aviculare subsp. aviculare Barbara Ertter 1988-11-5 8026 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  CAS-BOT-BC414113  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC414114  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1954-8-4 1650 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC414317  Polygonum aviculare subsp. neglectum Peter Rubtzoff 1959-6-20 4161 Sonoma Willow Creek Marsh Comment
  JEPS103957  Polygonum californicum Jack and Betty Guggolz 1991-6-29 1201 Sonoma 195 Comment
  RSA234546  Polygonum hydropiperoides Peter Rubtzoff 1955-8-27 2099 Sonoma Bennett Mtn Lake. Comment
  RSA234564  Polygonum persicaria Peter Rubtzoff 1965-8-29 5630 Sonoma Russian River bottom at Forets Hills (5.5 miles E of Guerneville) Comment
  POM22455  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa Comment
  UC1606997  Polypodium calirhiza Margaret Rockwood and L. Esposito 1995-5-10 721 Sonoma ca. 3 km. nw of Bodega town; sw Sonoma Co. Comment
Read comments
Jan 4 2007
  UC353928  Polypodium scouleri Milo S. Baker 1928-4-14 2979 b Sonoma n and w faces of rock near Bay Comment
  UCSB8310  Polypodium scouleri Kamb, Peter 1950-6-17 Sonoma Larkspur Rock: south side of Chenev Gulch 2.9 miles west of fork in road to Bodega and Valley Ford 30 Comment
  UC1153915  Polypogon Beecher Crampton 1957-5-16 4040 Sonoma Hot Springs Road 3 mi sw Cloverdale Comment
  CAS-BOT-BC233189  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville, N half of Lower Marsh Comment
  RSA262195  Polypogon maritimus Peter Rubtzoff 1968-6-20 5895 Sonoma 6.5 mi. northeast of Penngrove on Lichau Road. 427 Comment
  UCD84097  Polypogon maritimus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC237401  Polypogon monspeliensis Walter Knight; Irja Knight 1968-1-1 2270 Sonoma Geysers Resort, along geyser trail up ravine Comment
  UC505685  Polypogon monspeliensis C. R. and B. S. Ball 1933-5-30 2510 Sonoma Bodega Bay Comment
  UCR248766  Polypogon monspeliensis Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  RSA94461  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville; Southern half of Lower Marsh. Comment
  UCD91467  Polypogon viridis David L. Morgan 1956-6-26 s.n. Sonoma Bank above Shell Beach, 1/4 mi. S. of Goat Rock, just off State Highway #1. Comment
  UCD92451  Polypogon viridis Beecher Crampton 1959-6-16 5393 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UC727666  Polystichum californicum Milo S. Baker 1944-12-31 10889 Sonoma 1 1/2 mi w El Verano (Fowler Canyon) Comment
  RSA302173  Polystichum californicum Jim Shevock 1971-3-21 812 Sonoma Near Sugarloaf St Park 152 Comment
  RSA302172  Polystichum munitum J. R. Shevock 1971-1-30 623 Sonoma Along Russian River. 13 Comment
  SEINET11718543  Polystichum munitum W. Knight, Knight, I.; Ellman, P. 1986-1 5849 Sonoma Bouverie Audubon preserve, 0.75 mi E of parking lot on fire road 46 Comment
  CAS-BOT-BC102672  Populus fremontii Mary P. Wells 1987-6-30 898 Sonoma Brush Creek dike between Mission Blvd. and Brush Creek Road, Santa Rosa Comment
  CAS-BOT-BC376302  Portulacaceae Greg de Nevers 1989-2-1 9036 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  CAS-BOT-BC376364  Potamogeton Greg de Nevers 1992-6-8 10159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC257682  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa. Comment
  CAS-BOT-BC453750  Potamogeton natans Peter Rubtzoff 1955-8-13 2040 Sonoma Duncans Mills Marsh. Comment
  RSA227252  Potamogeton natans Peter Rubtzoff 1955-8-13 2040 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC453899  Potamogeton nodosus Greg de Nevers 1992-6-26 10188 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  HSC93482  Potamogeton nodosus G. Fred Hrusa, R. Gross 1997-8-31 14092 Sonoma Foote Ranch, NW base of Mt. St. Helena, NE of int. of Hwy. 128 and Ida Clayton Rd. 107 Comment
  CAS-BOT-BC141961  Potentilla anserina subsp. pacifica Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC141949  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  CAS-BOT-BC141950  Potentilla anserina subsp. pacifica Peter Rubtzoff 1960-5-18 4386 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC26647  Potentilla uliginosa Milo S. Baker 1947-6-26 11831 Sonoma Cunningham Marsh ca 1 mi southwest of Cunningham Station Comment
  UCD168044  Prosartes hookeri James A. Neilson Jr. 1981-3-13 3997 Sonoma Mayacmas Mountains, Hummingbird Creek, Squaw Creek drainage. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC516400  Prosartes hookeri G. DeNevers 1981-5-9 1082 Sonoma Pepperwood Ranch Comment
  UCD139802  Prosartes hookeri Mary M. Hektner 1976-5-13 258 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. 1325 Comment
  CAS-BOT-BC159846  Prunus cerasifera Greg de Nevers 2002-3-12 12646 Sonoma North of Stewart Creek, near old homestead. Bouverie Audubon Preserve, Highway 12, Glen Ellen Comment
  UCD133633  Pseudognaphalium californicum Frederica Bowcutt 1994-6-25 1905 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Meadow Trail at Gray Pine Trailhead, immediately W of culvert under Meadow Trail. Along down cut channel feeding into Sonoma Creek which is to the W. 408 Comment
  RSA785670  Pseudognaphalium luteoalbum Peter Rubtzoff 1968-8-18 5931 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  UC176853  Pseudognaphalium stramineum P. B. Kennedy 1912-5-27 Sonoma Bodega Bay Comment
  UCD135215  Pseudognaphalium stramineum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 100 Sonoma Walk-on Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC80179  Pseudotsuga menziesii Irja Knight; Walter Knight 1963-12-27 464 Sonoma Pine Flat Rd., Circle 8 Ranch Comment
  CAS-BOT-BC80182  Pseudotsuga menziesii Peter Rubtzoff 1951-8-18 636 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC80184  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  UCD166297  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road. 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
  UC35754  Psilocarphus oregonus Miss King 1897-1-1 Sonoma Healdsburg Comment
  SEINET4207981  Psoralea physodes Lewis S. Rose 1956-6-18 56097 Sonoma 4 mi. W of Graton, junction of Harrison Grade & Green Valley Road.; 0 Comment
  UCSB50254  Pteridium aquilinum Gray, John 1976-5-1 Sonoma Above Blind Beach, Sonoma State Beach. T7N R11W 60 Comment
  CAS-BOT-BC371448  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along old road from Rogers Apple Orchard to creek. 400 Comment
  UC901897  Pteryxia terebinthina var. californica Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 672 Sonoma Fred McMurray Ranch 1 mile NW of Lafayette School ca. 5 miles East of Guerneville Comment
  UCD19428  Quercus X howellii Shannon Murphy 2001-8-1 s.n. Sonoma Austin Creek State Park. 150 Comment
  CDA11260  Quercus X morehus G. F. Hrusa 1994-10-25 11915 Sonoma North Coast Biodiversity Arena; Austin Creek State Recreation Area. Gilliam Creek, below Bullfrog Pond Camp. Comment
  SEINET12029927  Quercus X morehus W. Knight, Knight, I.; Howell, J. T. 1984-1 5081 Sonoma 1.85 mi up Cavedale Rd. from hwy 12 130 Comment
  CAS-BOT-BC104409  Quercus X subconvexa G. DeNevers 1981-9-12 1834 Sonoma Pepperwood Ranch, on S slope of the hill above the Betchel Cabin Comment
  CAS-BOT-BC61635  Quercus agrifolia Peter Rubtzoff 1951-8-18 639 Sonoma Pitkin marsh, near Forestville. In area separating the western branch of the Upper Marsh from the eastern Comment
  UC1193301  Quercus agrifolia R. H. Neuns 1950-4-26 96 Sonoma 5 mi w Geysers (Sulphur Creed Rd, Quad 60B3) 487 Comment
  RSA94624  Quercus agrifolia Peter Rubtzoff 1951-8-19 639 Sonoma near Forestville. Pitkin marsh Comment
  SEINET12028624  Quercus agrifolia W. Knight, Knight, I. 1981-1 3967 Sonoma 2.3mi up Cavedale Rd from jct of State Rt-12 Comment
  UCSB22673  Quercus agrifolia var. agrifolia McCarthy, Sharon 1965-4-16 Sonoma Approximately 0.5 mile north of bridge at Leveroni Rd., Sonoma 25 Comment
  UCD162764  Quercus berberidifolia Dylan O. Burge 2014-6-5 1643 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  UCSB1142  Quercus berberidifolia Keator, Glenn 1959-4-2 Sonoma 0.7 miles east on Cavedale road and 2.0 miles from Agua Caliente Comment
  CAS-BOT-BC86006  Quercus douglasii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5137 Sonoma Pine Mountain rd. 304 Comment
  SEINET12034335  Quercus douglasii Unknown 1974-1 Sonoma Comment
  CAS-BOT-BC79572  Quercus dumosa John Thomas Howell 1946-3-31 21592 Sonoma Hills coast fo Sonoma Comment
  JEPS83643  Quercus durata R. Raiche 1988-1-19 80003 Sonoma Bummer Peak Area, Rockpile Rd Lake Sonoma Area 329 Comment
  UCD101295  Quercus durata Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 970 Comment
  SJSU16079  Quercus garryana Allen W. Jacobs 1934-8-1 2 Sonoma Near the Hilton in Russian River Comment
  UC1299699  Quercus garryana Freed W. Hoffman 1947-4-3 670 Sonoma Wild Hog Ridge North Coast Ranges Comment
  JEPS77253  Quercus garryana Robert M. Lloyd 1963-4-24 2392 Sonoma 13.8 mi from State Highway 12 (on road to Oakdale) 365 Comment
  UCD46076  Quercus garryana var. garryana Frederica Bowcutt 1996-5-19 2138 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air miles S of Red Mtn. in Adobe Canyon near office and corral. 396 Comment
  POM270134  Quercus garryana var. garryana Lyman Benson 1933-8-23 5687 Sonoma Mark West Springs, Hood's Peak Mt. Range. 305 Comment
  CAS-BOT-BC105479  Quercus kelloggii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5387 Sonoma Pine Mt. Rd. Comment
  CAS-BOT-BC105480  Quercus kelloggii Dorothy Scherer 1996-10-14 73 Sonoma N side of Fort Ross Rd. ca. 1/2 mi. W of Seaview Rd. Fort Ross State Historic Park 451 Comment
  HSC97740  Quercus kelloggii J. M. Tucker 1952-9-20 2624 Sonoma Voight Ranch 1.25 mi (air) SW of Cunningham, back of Voight House Comment
  RSA169362  Quercus kelloggii L. S. Rose 1964-6-27 64058 Sonoma 2 miles north of Sonoma. 274 Comment
  UC5630  Quercus kelloggii unknown 1899-6 111 Sonoma Asti Comment
  UCD46740  Quercus kelloggii John M. Tucker 1952-9-20 2619 Sonoma California, Sonoma CO.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  RSA169363  Quercus lobata L. S. Rose 1964-6-27 64059 Sonoma 2 miles north of Sonoma. 274 Comment
  RSA94650  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Western branch of the Upper Marsh. Comment
  CAS-BOT-BC134865  Quercus wislizeni D. E. Breedlove 1980-6-27 44778 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CDA21148  Quercus wislizeni G. F. Hrusa, G. L. Stebbins 1993-10-3 11464 Sonoma Sugarloaf Ridge State Park; Near summit of Bald Mountain. 731 Comment
  UCR254942  Rafinesquia californica Greg de Nevers 1997-4-16 10944 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 Comment
  UC9370  Ranunculus aquatilis var. capillaceus F. T. Bioletti 1892-1 Sonoma Comment
  UCR255731  Ranunculus aquatilis var. hispidulus Greg de Nevers 1998-4-28 11213 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD95960  Ranunculus californicus R. H. Miller 1949-4-6 28 Sonoma along coast beside Highway 1, approximately 5 miles south of Jenner. Comment
  CAS-BOT-BC378689  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-2-27 532 Sonoma Highway 1 near Plantation turnoff Comment
  CAS-BOT-BC83411  Ranunculus lobbii Peter Rubtzoff 1966-4-30 5692 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 mile from Llano Road. 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
  UCD96163  Ranunculus lobbii G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12030 Sonoma Lagunda de Santa Rosa, Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  CAS-BOT-BC83437  Ranunculus lobbii Margot Lowry 1983-5-5 33 Sonoma 2 miles north on Adobe Road from Sonoma Mountain and Adobe Road junction. 30 Comment
  RSA639495  Ranunculus muricatus Wesley Ebert 1977-4-9 2 Sonoma Crane Creek, downsream from Pressley Road. 107 Comment
  UCD150857  Ranunculus pusillus 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
  POM269796  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma edge of vernal pool, near Wright School on Hwy betw Santa Rosa and Sepastopol Comment
  RSA534578  Ranunculus pusillus Peter Rubtzoff 1969-5-24 6063 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  UC1084367  Raphanus sativus G. Thomas Robbins 1937-3-26 33 Sonoma along road to Bodega (just e of Bodega) Comment
  CAS-BOT-BC74235  Raphanus sativus Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol. Comment
  SEINET11522461  Raphanus sativus Richard R. Halse 1987-2-22 3376 Sonoma Sonoma Valley, along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend. 6 Comment
  SEINET11992994  Reseda luteola W. Knight, Knight, I.; Knight, T. 1985-1 5142 Sonoma Willow Creek Road, ca 3 mi from Coleman Valley Road Comment
  UCR179424  Rhagadiolus stellatus Caitlin Lewis, William Mutch 1993-4-17 s.n. 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, along Sonoma Creek 366 Comment
  UC1121738  Rhamnus californica C. M. Belshaw 1936-3-7 1558 Sonoma 0.25 mi w Trenton; Sebastopol Quad. 182 Comment
  UCR42378  Rhamnus californica L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SEINET12210981  Rhamnus californica W. Knight, Knight, I. 1984-1 5005 Sonoma Gualala Point Regional Park, in picnic area with grand firs and Douglas firs 11 Comment
  CAS-BOT-BC53743  Rhododendron columbianum Peter Rubtzoff 1951-7-22 540 Sonoma Pitkin Marsh, near Forestville - Northern half of Lower Marsh Comment
  CAS-BOT-BC53741  Rhododendron columbianum Walter Knight; Irja Knight 1964-2-27 554 Sonoma Bog a few hundred yards east of highway #1 ca. 2 mi. so. of Gualala Comment
  CDA21390  Rhododendron occidentale G. F. Hrusa 1989-5-21 7050 Sonoma North Coast Ranges; Austin Creek State Recreation Area. Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  UCD117989  Rhododendron occidentale J. M. Tucker 1952-5-4 2361 Sonoma On bank of the Wheatfield Fork of the Gualala River, beside road from Geyserville to Stewart's Point, ca. 12 miles east of Stewart's Point. 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
  CDA38887  Rhododendron occidentale var. occidentale T. C. Fuller 1958-5-24 3987 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UCD141233  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC111926  Rhynchospora recognita John Thomas Howell 1947-6-26 23313 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC111928  Rhynchospora recognita John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  POM142003  Ribes californicum A. A. Heller 1903-4-24 6364 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC93056  Ribes californicum var. californicum Dorothy Scherer 1996-3-25 021 Sonoma Northeast corner of Park, ca. 500 feet west of Seaview Road, Fort Ross State Historic Park. 451 Comment
  CAS-BOT-BC93059  Ribes californicum var. californicum Greg de Nevers 1987-2-10 8126 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 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
  UC75466  Ribes divaricatum var. pubiflorum Milo S. Baker 1898-4-2 21 Sonoma Forestville Comment
  CAS-BOT-BC212919  Ribes menziesii Peter H. Raven 1954-2-27 6432 Sonoma Hooker Creek, Hoods Peak Range 457 Comment
  UCD151117  Ribes menziesii James A. Neilson Jr.; Teresa A. Sholars 1974-6-26 3272 Sonoma Mayacmas Mountains, ca. 3 miles west of Glenbrook, vicinity of Caldwell Pines. (Elevation estimated by label maker using Google Earth.) 716 Comment
  CAS-BOT-BC198920  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-12 5037 Sonoma Sonoma Creek, Estern Base of Mt. Hood Comment
  UC75475  Ribes roezlii var. cruentum Milo S. Baker 1898-6-11 660 Sonoma Little Sulphur Creek Comment
  RSA0024608  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma Woods near Cazadero. 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
  SEINET5733191 Image available Ribes victoris David Diaz 1971-1 35 a Sonoma On North slope near construction site; ca. 8 miles west of Geyserville on Stewarts Point--Skaggs Springs Roads.; Stewarts Point Comment
  RSA0060109  Rorippa Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road. 100 Comment
  CAS-BOT-BC344922  Rorippa curvisiliqua Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  UC398792  Rorippa curvisiliqua Katharine Brandegee Sonoma Duncan's Mills Comment
  UCD150847  Rorippa curvisiliqua 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
  RSA247443  Rorippa curvisiliqua Peter Rubtzoff 1958-5-17 3662 Sonoma Laguna de Santa Rosa, north of Sebastopol, (nr. Occidental Road). Comment
  CAS-BOT-BC74849  Rorippa palustris var. palustris Peter Rubtzoff 1973-8-25 7259 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC376306  Rorippa sinuata Greg de Nevers 1992-5-13 10148 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 400 Comment
  CAS-BOT-BC152663  Rosa californica Peter Rubtzoff 1958-7-5 3730 Sonoma Atascadero Creek marsh Comment
  CAS-BOT-BC152664  Rosa californica Peter Rubtzoff 1953-5-16 1369 Sonoma Vacation Beach, near Guerneville, bank of Russian River Comment
  RSA94284  Rosa californica Peter Rubtzoff 1951-6-16 263 Sonoma Eastern Branch of the upper marsh. Pitkin Marsh, near Forestville Comment
  CDA3957  Rosa eglanteria T. C. Fuller 1966-6-2 14851 Sonoma South side of road to Valley Ford, 2 miles west of Two Rock. 0 Comment
  RSA39874  Rosa eglanteria Philip A. Munz 1947-10-9 12210 Sonoma 2 miles NE of Armstrong Redwoods State Park. 91 Comment
  UC12892  Rosa gymnocarpa unknown 1888-8-29 Sonoma below Guerneville; Russian River Comment
  UCD113886  Rosa nutkana Chris Bowen 1974-6-2 150 Sonoma Near Sea Gate Road, Unit 7 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC148200  Rosa rubiginosa Peter Rubtzoff 1959-5-30 4063 Sonoma Freestone Marsh Comment
  CAS-BOT-BC146920  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma S.W. slope of Hood Mt. at top of Rose Butte 243 Comment
  CAS-BOT-BC251215  Rosaceae Peter Rubtzoff 1958-4-26 3588 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC262811  Rubus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC156602  Rubus bifrons Peter Rubtzoff 1951-6-30 289 Sonoma Uppermost part of the western branch of the Upper 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
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Aug 27 2013
  RSA800404  Rubus parviflorus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  UC1128639  Rubus parviflorus A. Lewis 1932-5-13 75 Sonoma Calabasas Creek Napa Quadrangle, Calabasas Creek 457 Comment
  CAS-BOT-BC156663  Rubus spectabilis A. A. Heller; H. E. Brown 1902-3-29 5184 Sonoma Bodega Bay Comment
  RSA800356  Rubus spectabilis Peter Rubtzoff 1964-5-20 5306 Sonoma Brooks Gulch Marsh. Comment
  UC467858  Rubus spectabilis Katharine Brandegee June 1905 Sonoma Bodega Comment
  CAS-BOT-BC157175  Rubus ursinus Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC166690  Rumex Peter Rubtzoff 1958-7-20 3791 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  RSA784601  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  UCD101040  Rumex acetosella P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCR222560  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16238 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  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-BC433450  Rumex crispus Alice Eastwood 1915-6-30 4896 Sonoma Bodega Comment
  UCD101132  Rumex crispus Frederica Bowcutt 1994-6-24 1880 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.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  UCD101133  Rumex crispus Frederica Bowcutt 1996-5-18 2121 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, along Hillside Trail. Comment
  UCR244737  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  CAS-BOT-BC166929  Rumex obtusifolius Peter Rubtzoff 1959-6-20 4167 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC433740  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  CAS-BOT-BC433851  Rumex pulcher D. E. Breedlove 1980-6-27 44735 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC454116  Ruppia cirrhosa Peter Rubtzoff 1962-8-3 5033 Sonoma Lower Salmon Creek Marsh. Comment
  UC1153923  Rytidosperma penicillatum Beecher Crampton 1957-7-22 4358 Sonoma along State Hwy 1 2 mi n Stewart's Point Comment
  CAS-BOT-BC445803  Sagittaria montevidensis Peter Rubtzoff 1970-8-18 6305 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC445804  Sagittaria montevidensis Peter Rubtzoff 1970-5-16 6221 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC157666  Salicornia Peter Rubtzoff 1963-8-17 5222 Sonoma Petaluma Creek just east of Petaluma. Comment
  CAS-BOT-BC290712  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7346 Sonoma Kenwood Marsh. Comment
  RSA0019507  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh area. Comment
  RSA534564  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  UC482047  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 38 Sonoma 25 km n.w. of Calistoga (Maacama Creek) Comment
  UC504067  Salix exigua var. hindsiana W. A. Setchell 1933-5-6 Sonoma between Monte Rio and Camp Meeker (<Brookside>) Comment
  UC66158  Salix laevigata A. A. Heller 1902-4-22 5346 Sonoma on Santa Rosa Creek near Santa Rosa; Santa Rosa Creek Comment
  UC453095  Salix lasiandra subsp. lasiandra W. A. Setchell 1925-7-25 14 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  UC453096  Salix lasiandra subsp. lasiandra W. A. Setchell 1925-7-25 14 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. 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
  UC482064  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. Bodega Bay (near Bodega, on Santa Rosa - Bodega Hwy., Larkspur R__k) Comment
  UC482065  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. bodega Bay Comment
  CAS-BOT-BC128067  Salix lasiandra var. lasiandra Baker; Ball; Bracelin; Crum 1931-5-9 347 Sonoma About 2 km. east of Bodega Bay. Comment
  UC453092  Salix lasiolepis W. A. Setchell 1931-7-25 12 Sonoma Bohemian Grove Russian River (lower bank of river, near Monte Rio) Comment
  UC482062  Salix lasiolepis Baker, Ball, Bracelin, and Crum 1931-5-9 345 Sonoma about 2 km e Bodega Bay (creek bed) Comment
  UC505684  Salix lasiolepis C. R. and B. S. Ball 1933-5-30 2511 Sonoma Bodega Bay; at base of bluff below road Comment
  UC66162  Salix lasiolepis A. A. Heller 1902-3 5096 Sonoma e Santa Rosa; Santa Rosa Creek Comment
  CAS-BOT-BC107345  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  RSA534501  Salix lucida subsp. lasiandra Peter Rubtzoff 1962-5-5 4805 Sonoma Fife Creek Marsh. Comment
  UC453094  Salix melanopsis W. A. Setchell 1931-7-25 13 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  UC490559  Salix melanopsis Joseph P. Tracy 1932-5-8 9898 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  CAS-BOT-BC126187  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  CAS-BOT-BC126200  Salix scouleriana Milo S. Baker 1933-1-1 s.n. Sonoma Along Santa Rosa-Bodega Highway, at O'Farrell Hill, 3 miles west of Sebastopol Comment
  SBBG57984  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 342 Sonoma 2 km E of Occidental, on Occidental grade Comment
  UC524789  Salix scouleriana W. A. Setchell 1934-7-10 7 Sonoma Caost Hwy. n. of Fort Ross Comment
  CAS-BOT-BC128905  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128913  Salix sitchensis A. A. Heller 1903-4-23 6602 Sonoma Fort Ross Comment
  POM362960  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  RSA304941  Salix sitchensis James R. Shevock 1971-1-30 625 Sonoma Along Russian River. 12 Comment
  RSA534487  Salix sitchensis Peter Rubtzoff 1962-9-9 5075 Sonoma Brooks Gulch Marsh. Comment
  SJSU218  Salix sitchensis Baker, Ball, Bracelin & Crum 1931-5-9 344 Sonoma c. 2 km E of Bodega Bay Comment
  UCD111903  Salix sitchensis Theodore J. Crovello 1965-9-14 721 Sonoma Along Mayacama Creek, 75-100 yards west of junction of creek with bridge of California Highway 128. Comment
  CAS-BOT-BC376260  Salpichroa origanifolia Greg de Nevers 1991-5-14 9749 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Ward House 475 Comment
  UC1124722  Salvia columbariae H. S. Yates 1934-4-22 3862 Sonoma near Petrified Forest; Calistoga Quad. 243 Comment
  JEPS62779  Salvia sonomensis Willis L. Jepson 1893-1 14947 Sonoma nw of Calistoga (between Knights Valley and Franz Valley, e Sonoma County); Napa River Basin Comment
  UC25743  Salvia sonomensis F. T. Bioletti 1893-5 Sonoma Hood's Peak Comment
  UCSB5819  Salvia sonomensis Keator, Glenn 1959-4-2 Sonoma 2.5 miles east on Cavedale road; 3.6 miles from Agua Caliente Comment
  UCD158730  Sambucus nigra subsp. caerulea Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  OBI39520  Sambucus racemosa var. racemosa F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -160 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek rd 145 Comment
  UC1005695  Sanicula arctopoides Frank W. Gould 1939-2-25 566 Sonoma Sonoma County 91 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
  UC875544  Sanicula tuberosa Alice Eastwood 1918-5-1 6809 Sonoma Mount St. Helena Comment
  RSA41967  Saxifraga mertensiana Ella Dales Cantelow 1936-4-5 1216 Sonoma Grade W of Cazadero. 154 Comment
  UC858771  Saxifraga mertensiana Lewis S. Rose 1939-4-2 39047 Sonoma 1 mi e of Bodega Bay 45 Comment
  UCD65652  Schedonorus arundinaceus Gerry North 1993-4 35 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area, 50 m east of foot bridge. 365 Comment
  CAS-BOT-BC422352  Schedonorus arundinaceus Peter Rubtzoff 1962-5-5 4807 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC111429  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1963-8-17 s.n. Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC111532  Schoenoplectus americanus Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7803 Sonoma Kenwood Marsh. Comment
  RSA0019148  Schoenoplectus maritimus Peter Rubtzoff 1954-7-26 1557 Sonoma Lower Salmon Creek Marsh. Comment
  RSA90531  Schoenoplectus pungens Milo S. Baker 8611 Sonoma Sea beach at mouth of Salmon Creek Comment
  SEINET9307598  Scirpus Unknown 2000-3-7 20945 Sonoma Sonoma Comment
  UCR249041  Scirpus maritimus Peter Rubtzoff 1974-9-7 7873 Sonoma Hinebaugh Creek in Rhonert Park, creek bed west of Commerce Blvd. crossing 29 Comment
  UCR249061  Scirpus maritimus Peter Rubtzoff 1954-8-6 2021 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC111114  Scirpus microcarpus Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 miles east of Stewarts Point Comment
  CAS-BOT-BC111105  Scirpus microcarpus Peter Rubtzoff 1951-6-10 207 Sonoma A marshy opening south of the Upper Marsh Comment
  CAS-BOT-BC111113  Scirpus microcarpus Peter Rubtzoff 1958-6-1 3692 Sonoma Laguna de Santa Rosa east of Cummingham (nr. Llamo Road). Comment
  CAS-BOT-BC516417  Scoliopus bigelovii Volney Rattan 1880-1-1 s.n. Sonoma Duncan's Mill Comment
  SEINET12050533  Scoliopus bigelovii F. H. Utech 1988-1 88 -198 Sonoma 6 mi W of junction of Willow Creek Rd & Coleman Valley Rd on former along Willow Creek 40 Comment
  SEINET12058068  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -006 Sonoma 5.75 mi W of jct of Willow Creek Rd & Coleman Valley Rd on former near headwater of Willow Creek 60 Comment
  SEINET12058073  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  CAS-BOT-BC240034  Scribneria bolanderi Leo Whitney 1935-4-14 2257 Sonoma Near Occidental Comment
  UC1023610  Scribneria bolanderi Virginia Bufford 1935-4-14 438 Sonoma Occidental, Blundin's Pasture Occidental; , Blundin's Pasture Comment
  UCD160751  Scrophularia californica James A. Neilson Jr. 1975-5-23 3208 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  RSA0022386  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  CAS-BOT-BC371428  Sedella pumila Greg de Nevers 1997-4-16 10941 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC371442  Sedum radiatum subsp. radiatum Greg de Nevers 1998-4-26 11193 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's property in Sec. 6 400 Comment
  CAS-BOT-BC361395  Sedum spathulifolium Greg de Nevers 1993-5-17 10453 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC63938  Sedum spathulifolium F. G. Krauss 1895-5-6 s.n. Sonoma Mountans near Franz and Knights Valleys Comment
  CAS-BOT-BC63941  Sedum spathulifolium J. F. Emmel 1970-5-10 274 Sonoma .3 air mile E of confluence of Rancheria Creek and Warm Springs Creek on Stewarts Pt. Skaggs Springs Road. 144 Comment
  JEPS79622  Selaginella wallacei Edward Lee ca. 1979 Sonoma Gunsight Ranch Hood Mt. Comment
  OBI59736  Selaginella wallacei S. F. Blake 1927-8-28 10351 Sonoma Near Petrified Forest, near Santa Rosa Comment
  RSA0012701  Senecio aronicoides R. F. Thorne 1965-4-20 34332 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA96840  Sequoia sempervirens P. C. Everett, E. K. Balls 1954-10-20 20380 Sonoma 3.5 mi W of Sebastopol, Sebastopol to Freestone. Comment
  CAS-BOT-BC366891  Setaria Greg de Nevers 1997-9-29 11099 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC243605  Setaria parviflora Burbank 1926-1-1 s.n. Sonoma Luther Burrant Garden Comment
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Sep 24 2017
  CAS-BOT-BC240153  Setaria pumila Peter Rubtzoff 1971-8-23 6657 Sonoma Meacham Road 0.35 mi. south of Stony Point Road Comment
  CAS-BOT-BC240154  Setaria pumila Peter Rubtzoff 1971-9-2 6684 Sonoma Todd Road near Stony Point Road Comment
  SBBG4695  Sidalcea H. and M. Dearing 1939-5-14 3368 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC187890  Sidalcea calycosa subsp. rhizomata J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  SEINET7042576  Sidalcea malviflora subsp. laciniata A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  CHSC63918  Sidalcea malviflora subsp. purpurea John Hale 1990-4-10 16 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
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Sep 2 2009
  RSA800081  Silene Peter Rubtzoff 1962-6-21 4935 Sonoma Laguna de Santa Rosa area NE of Graton, E of Laguna Road. Comment
  SEINET11935228  Silene californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -237 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC361365  Silene coniflora Greg de Nevers 1997-4-16 10931 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UCR248744  Silene gallica Peter Rubtzoff 1974-5-26 7487 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen Comment
  CAS-BOT-BC392498  Silene gallica A. A. Heller 1902-6-10 s.n. Sonoma Santa Rosa 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-BC389225  Silene laciniata subsp. californica G. DeNevers 1981-5-23 1255 Sonoma Pepperwood Ranch. Along Franz Valley Road Comment
  RSA0056440  Silene multinervia Greg de Nevers 1997-4-16 10931 Sonoma Cavedale Road. 152 Comment
  HSC81852  Silybum marianum Thomas W. Nelson, Jane P. Nelson 1980-5-3 5129 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  CAS-BOT-BC75327  Sisymbrium officinale Clare R. Wheeler 1978-3-30 139 Sonoma Pine Mountain Road, 4 miles northeast of Cloverdale. 548 Comment
  HSC13912  Sisyrinchium bellum R. F. Good 1962-4-20 3 Sonoma 2 mi. W of Petaluma on D St. Extension toward Pt. Reyes, Sonoma Mt. Coast Range 46 Comment
  UC844172  Smilacina racemosa Mrs. E. C. Sutliff Aug. 1920 Sonoma near Annapolis Comment
  CAS-BOT-BC164415  Solanum Peter Rubtzoff 1960-9-14 4529 Sonoma Laguna de Santa Rosa, east of Graton (between Occidental and Guerneville Roads). Comment
  UCR279860  Solanum americanum Peter Rubtzoff 1965-8-22 5612 Sonoma North Coast Ranges, Russian River, Forest Hills 5.5 miles east of Guerneville 9 Comment
  UCD126816  Solanum americanum C. B. Heiser; D. Heiser 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  UC424779  Solanum umbelliferum Milo S. Baker 1929-4-14 3489 b Sonoma Jensen's Ranch Comment
  UCD127072  Solanum xanti Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 76 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. 381 Comment
  SEINET11808818  Solidago californica W. Knight, Knight, I.; Knight, T.; Edwards, S. W. 1985-1 6357 Sonoma Pine Flat Road 305 Comment
  CAS-BOT-BC365657  Solidago spathulata John Thomas Howell 1945-8-14 21409 Sonoma Perry Marsh Comment
  CAS-BOT-BC365262  Solidago velutina subsp. californica J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC368009  Solidago velutina subsp. californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UC455799  Solidago velutina subsp. californica I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  CAS-BOT-BC365266  Solidago velutina subsp. californica G. DeNevers 1981-6-15 1530 Sonoma Pepperwood Ranch. Below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  CAS-BOT-BC365268  Solidago velutina subsp. californica Walter Knight; Irja Knight 1963-9-22 109 Sonoma Near jct. Mark West Rd. and Calistoga Rd. Comment
  UCD133918  Solidago velutina subsp. californica Frederica Bowcutt 1997-7-19 2197 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Franscio, 10 air miles E of Santa Rosa, 0.5 air miles SSE of Red Mountain, 0.1 air mile ENE of confluence of the Malm Fork and Sonora Creek. Along Meadow Trail E. of Gray Pine Trailhead and N. of Sonora Creek. Downstream of culvert under trail, 411 Comment
  CAS-BOT-BC173591  Soliva sessilis Peter Rubtzoff 1966-5-7 5710 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173686  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173701  Soliva sessilis Peter Rubtzoff 1960-5-18 4363 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC365967  Soliva sessilis Alice Eastwood 1921-4-24 10377 Sonoma Santa Rosa Comment
  CAS-BOT-BC164073  Sonchus Peter Rubtzoff 1960-6-25 4512 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC164074  Sonchus Peter Rubtzoff 1960-6-25 4511 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC164659  Sonchus Peter Rubtzoff 1953-11-1 1428 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  UCD136129  Sonchus asper subsp. asper Mary M. Hektner; Cathy Hendel 1974-7-24 163 Sonoma alongside Kirkwood House on Pacific Reach, Unit 24 Owners' Map, Sea ranch, near State Highway 1. Comment
  UCD136182  Sonchus oleraceus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-2 103 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. 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
  UC1224629  Spartium junceum J. H. Thomas 1964-6-28 10439 Sonoma near Petrified Forest between Calistoga and Santa Rosa Comment
  CAS-BOT-BC258919  Spergula Peter Rubtzoff 1958-9-28 s.n. Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC389912  Spergula Peter Rubtzoff 1978-9-10 9266 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on So. Fitch Mtn. Road Comment
  CAS-BOT-BC251284  Spergularia Peter Rubtzoff 1958-9-28 4020 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  UCR218640  Spergularia marina George K. Helmkamp, E. A. Helmkamp 2010-6-4 16220 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC390976  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  UCD99276  Spergularia rubra Frederica Bowcutt 1996-3-24 2076 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Trail head for Lower Bald Mountain Trail at group campsite just west of Sonoma Creek. 381 Comment
  CAS-BOT-BC500697  Stachys Peter Rubtzoff 1958-7-5 3737 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC502051  Stachys Peter Rubtzoff 1962-10-9 5110 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC502060  Stachys Peter Rubtzoff 1974-6-9 7584 Sonoma Upper Green Valley Marsh Comment
  UC635187  Stachys ajugoides var. rigida H. L. Mason June 1930 5650 Sonoma mouth Gualala River Comment
  RSA227237  Stachys chamissonis Peter Rubtzoff 1962-8-22 5048 Sonoma Bodega Bay Marsh. Comment
  SEINET9340248  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  UCD161301  Stachys rigida var. quercetorum James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3715 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-BC251268  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  UCR279647  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1938 Sonoma North Coast Range, Forestville Marsh 71 Comment
  CAS-BOT-BC405136  Stellaria nitens Greg de Nevers 1992-4-8 10102 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Hendley Flat. 475 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
  JEPS36888  Stephanomeria virgata subsp. pleurocarpa W. L. Jepson 1938-10-1 19047 Sonoma s slope of Mt. St. Helena (half-way to pass) Comment
  CAS-BOT-BC61147  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. Comment
  JEPS27964  Streptanthus barbiger Rimo Bacigalupi and L. Heckard 1961-6-9 7742 Sonoma ca. 3/4 mi. n.w. Occidental School (along Stoetz Lane, ca. 1/2 mi. n.w. of its junction with Harrison Grade rd.) 228 Comment
  JEPS46127  Streptanthus barbiger Eleanor Armstrong 1932-5-29 500 Sonoma 2 mi n Camp Meeker 121 Comment
  UC963921  Streptanthus barbiger Milo S. Baker 1947-5-30 11775 Sonoma along grade ca 2 mi ne Occidental; North Bay Counties, Harrison Grade Comment
  UCD168162  Streptanthus brachiatus James Neilson 1977-3-28 3856 Sonoma Mayacmas Mountains, Location 8, US Geothermal 1. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1292752  Streptanthus glandulosus Freed W. Hoffman 1947-5-12 1052 Sonoma Camp Meeker North Coast Ranges Comment
  UC1292753  Streptanthus glandulosus Freed W. Hoffman 1947-9-5 1085 Sonoma Dutch Bill Creek near Camp Meeker 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
  UC1492746  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma near Guerneville; North Coast Ranges, Del Preti Hill Comment
  UC70399  Streptanthus glandulosus subsp. secundus Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  UC985966  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-16 2346 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  RSA0121906  Streptanthus glandulosus subsp. secundus Patricia Wilder 1965-6-9 3629 Sonoma 2.5 mi up Los Alamos Road from CA State Hwy 12; Rincon Ridge. North Coast mtn range, Russian River drainage. 305 Comment
  CAS-BOT-BC87306  Streptanthus glandulosus subsp. sonomensis A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero. Comment
  UC1292737  Streptanthus morrisonii Freed W. Hoffman 1947-6-4 1029 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UC1292743  Streptanthus morrisonii Freed W. Hoffman 1948-6-17 2347 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UCD168066  Streptanthus morrisonii James Neilson 1981-5-28 4032 Sonoma Mayacmas Mountains, Shell Well Site B. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site B was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  UCD168068  Streptanthus morrisonii James Neilson 1981-5-28 4032 Sonoma Mayacmas Mountains, Shell Well Site B. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site B was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  UC1292742  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-3-6 1053 Sonoma Gilliam Creek, tributary of East Austin Creek North Coast Ranges Comment
  UC1492758  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-5-30 1027 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC1492804  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-5-24 3360 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  CAS-BOT-BC274038  Stuckenia pectinata Peter Rubtzoff 1971-9-1 6668 Sonoma Spring Creek Reservoir area. Comment
  UC1612987  Symphyotrichum chilense M. Rockwood and L. Esposito 1994-7-18 Sonoma ca 1.5 mi nw Bodega; Rancho Bodega 24 Comment
  UC29832  Symphyotrichum chilense Alice King 1896-9-1 Sonoma Healdsburg Comment
  UC1485932  Symphyotrichum lentum Charles Patterson 1980-9-13 Sonoma Hog Island (n tip) Hog Island Comment
  UC469052  Symphyotrichum subspicatum Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  UC469054  Symphyotrichum subspicatum Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  UCD78035  Synthyris reniformis Robert E. Preston 2001-2-28 1496 Sonoma Ca. Sonoma County: 2.5 mi NE of Fort Ross, near Seaview. 381 Comment
  CAS-BOT-BC376985  Taraxacum officinale Greg de Nevers 1981-4-1 s.n. Sonoma Pepperwood Ranch Comment
  UCD166140  Taraxia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 427 Comment
  RSA309216  Teesdalia coronopifolia Chas F. Quibell 1977-3-7 1392 Sonoma Western edge of Santa Rosa, SW of intersection of Fulton and Piner Roads. Comment
  CAS-BOT-BC447464  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  CAS-BOT-BC447463  Tellima grandiflora Peter Rubtzoff 1957-5-4 3314 Sonoma Duncans Mills Marsh area. Edge of redwood forest bordering the Marsh in the west. Comment
  CAS-BOT-BC366875  Thalictrum polycarpum Greg de Nevers 1998-4-27 11201 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UC73213  Thermopsis californica var. californica Milo S. Baker 1898-4-8 2 Sonoma road betw. Stewarts Pt. and Sea View Comment
  CHSC19524  Thermopsis macrophylla C. Euser 1974-4-4 2 Sonoma Found ca. 8 mi n of Napa, on Hwy. 116, ca. 0.5 mi se from junction with Hwy. 121. Comment
  CAS-BOT-BC66825  Thysanocarpus curvipes P. B. Kennedy 1920-5-29 s.n. Sonoma Russian River. Comment
  SEINET11987373  Thysanocarpus curvipes var. elegans R. A. Schlising 1962-1 2125 -d Sonoma along Cavedale Road, 1 mi E of Hwy 12 Comment
  CHSC20584  Tiarella trifoliata var. unifoliata Robert A. Schlising; Glenn Keater 1965-5-22 2823 Sonoma California Coast Ranges. North of Occidental about 1 mile. Comment
  UCSB11518  Tiarella trifoliata var. unifoliata Dearing, Hugh; Dearing, Margaret 1939-5-15 Sonoma north of Fort Ross Comment
  SD88503  Tofieldia glutinosa subsp. occidentalis Darley F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh. Comment
  CAS-BOT-BC368089  Tolpis barbata Greg de Nevers 1998-5-2 11223 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Northwest of High Hill, southwest of big bay 400 Comment
  CAS-BOT-BC371426  Torilis arvensis Greg de Nevers 1996-6-3 10825 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS86782  Torilis arvensis Jack and Betty Guggolz 1990-6-11 1060 Sonoma Cloverdale; 1123 Palomino Rd. Comment
  CAS-BOT-BC169261  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Sonoma Calistoga Comment
  CAS-BOT-BC157684  Tragopogon Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7807 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC377110  Tragopogon porrifolius G. DeNevers 1981-5-20 1220 Sonoma Pepperwood Ranch. At the Golden Gate Bus Station on Piner Road Comment
  RSA800348  Trichostema Peter Rubtzoff, Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS86783  Trichostema laxum Jack and Betty Guggolz 1990-9-17 1901 Sonoma one mile N of Camp Meeker (Grub Creek, just below the reservoir) 79 Comment
  UCD67622  Trichostema laxum D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  CAS-BOT-BC166758  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  SEINET7062818  Trifolium A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464490mE, 4278527mN. (WGS84/NAD83). 0 Comment
  CAS-BOT-BC166756  Trifolium Peter Rubtzoff 1974-5-26 7495 Sonoma Todd Road, 1.5 miles from hwy. 116 and 0.5 miles from Llano Road. Comment
  CAS-BOT-BC173550  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  RSA784999  Trifolium Peter Rubtzoff 1976-5-30 8556 Sonoma Kenwood Marsh Comment
  SEINET7096777  Trifolium albopurpureum var. dichotomum A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane.Ca 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  CAS-BOT-BC217061  Trifolium amoenum Peter G. Connors 1993-5-31 311 Sonoma West-facing slope near top of ridge, Fitzpatrick Lane, west of Occidental Comment
  UCR119035  Trifolium barbigerum var. andrewsii Beecher Crampton 1955-4-5 2416 Sonoma Santa Rosa Area, 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road 91 Comment
  UCD33227  Trifolium bifidum Beecher Crampton 1967-5-15 7928 Sonoma Lytton. Comment
  UC631327  Trifolium bifidum var. bifidum P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  POM21441  Trifolium bifidum var. decipiens A. A. Heller, H. E. Brown, A. H. Heller 1902-4-15 7339 Sonoma Santa Rosa. Comment
  CAS-BOT-BC361336  Trifolium ciliolatum Greg de Nevers 1997-4-25 10978 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC16467  Trifolium depauperatum var. depauperatum Michener and Bioletti 1892-5-1 Sonoma Schellville Comment
  UC16476  Trifolium depauperatum var. depauperatum W. H. Brewer 1862-4-18 980 Sonoma near Sonoma (in a field) Comment
  JEPS117072  Trifolium depauperatum var. depauperatum Peter Warner 2010-3-30 126 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UC16480  Trifolium depauperatum var. depauperatum F. T. Bioletti 1892-1 Sonoma Comment
  UCD38290  Trifolium dubium Beecher Crampton 1954-4-26 1791 Sonoma 9 miles SE of Geyserville, Highway 128, Alexander Valley. Comment
  CHSC90392  Trifolium fucatum Elizabeth L. Knight 1988-4-1 6 Sonoma Ca. .25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UCR218645  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16210 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  UCD166120  Trifolium hybridum Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  UCD165136  Trifolium hydrophilum Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC1096834  Trifolium incarnatum Milo S. Baker May 1957 13175 Sonoma near S. F. State College (n Santa Rosa, Hwy 101) Comment
  UC630830  Trifolium macraei P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UC1784222  Trifolium macraei Milo S. Baker 1932-5-3 5914 Sonoma Highway south of Stewart's Point Comment
  UCSC005925  Trifolium macraei Randall Morgan 1996-5-30 2979 Sonoma Bodega Marine Lab Comment
  CAS-BOT-BC361338  Trifolium microcephalum Greg de Nevers 1997-4-24 10976 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS128265  Trifolium microcephalum Roger Raiche 2000-4-8 031 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD161356  Trifolium microcephalum James A Neilson Jr. 1976-5-5 3696 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, ca. 300 yards uphill from well site #1. (Coordinates and location estimated by label maker.) Comment
  UCD111372  Trifolium microcephalum P. G. Connors 1995-6-2 347 Sonoma Near old Gaffney ranch house site, near BML housing. Comment
  UCD161295  Trifolium microdon James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3689 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
  UCD33225  Trifolium microdon Beecher Crampton 1967-5-15 7926 Sonoma Sonoma County, Lytton. Comment
  UC85321  Trifolium obtusiflorum Michener and Bioletti 1895-6-1 Sonoma Kenwood Comment
  RSA94285  Trifolium repens Peter Rubtzoff 1951-8-19 658 Sonoma Near the creek, just north of the Lower Marsh Comment
  UCD161358  Trifolium variegatum James A Neilson Jr. 1976-5-5 3717 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, ca. 300 yards uphill from well site #1. (Coordinates and location estimated by label maker.) Comment
  UCD165165  Trifolium variegatum Peter Rubtzoff 1974-5-26 7485 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD33224  Trifolium willdenovii Beecher Crampton 1967-5-15 7925 Sonoma Sonoma County, Lytton. Comment
  UCD109910  Trifolium wormskioldii Frederica Bowcutt 1984-6-23 439 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. North of Gerstle Cove ca. 1/2 mile. 15 Comment
  CAS-BOT-BC520852  Trillium albidum Greg de Nevers 1993-4-6 10360 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  UC1364376  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 574 Sonoma w. of Geyserville (at confluence of 2 ravines on Skaggs Springs Rd. ca. 10 mi. w. of its jct. with Dry Creek Rd.) Comment
  SEINET10534311  Trillium ovatum David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20705 Sonoma 2 mi NW of Forestville on Hwy 116, Douglas Fir forest with some Oaks. Comment
  JEPS117073  Triphysaria eriantha subsp. eriantha Peter Warner 2010-3-30 125 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UCSB7457  Triphysaria eriantha subsp. eriantha Keator, Glenn 1959-4-2 Sonoma 0.3 miles south of southern Boyes Springs city limits on outskirts of Sonoma on highway 12 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
  SEINET7067247  Triphysaria versicolor subsp. faucibarbata A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UCD161348  Triphysaria versicolor subsp. faucibarbata James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3708 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/4 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  SEINET13748164  Triphysaria versicolor subsp. faucibarbata W. Roderick 1967-5-6 s. n. Sonoma 3 mi SE of Petaluma 15 Comment
  UC726148  Triphysaria versicolor subsp. versicolor A. A. Heller 1940-5-17 15630 a Sonoma back of the bluff n of the town of Bay Bodega Bay; , Bodega Bay Comment
  UC886582  Triphysaria versicolor subsp. versicolor A. A. Heller 1930-5-14 15083 Sonoma back of the bluff n Bodega Bay (along the roadside s of the town of Bay); back of the bluff n of Bodega Bay Comment
  RSA784397  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UCD93507  Trisetum canescens Beecher Crampton 1957-7-11 4310 Sonoma Along State Hwy. 1, 1.25 miles SE of Bodega Bay. Comment
  UCD93633  Trisetum canescens R. Tofsrud 1941-4-1 157 Sonoma Rhododendron Park. Comment
  UC3278  Triteleia hyacinthina Michener and Bioletti May 1893 Sonoma Kenwood Comment
  UCR143026  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  SD112291  Triteleia laxa Darley F. Howe 1963-7-2 Sonoma Sea bluff, 4.2 miles north of junction with #12 on #1. Comment
  UC565400  Triteleia peduncularis G. Thomas Robbins 1937-6-5 216 Sonoma about ten mi w Santa Rosa (Vine Hill region, Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC527979  Triteleia peduncularis Peter Rubtzoff 1965-6-20 5562 Sonoma Freestone Marsh Comment
  CAS-BOT-BC527980  Triteleia peduncularis Peter Rubtzoff 1972-6-29 5562 Sonoma Laguna Chileno Valley Comment
  RSA540084  Triteleia tubergenii Peter Rubtzoff, Rimo C. Bacigalupi 1971-6-10 6526 Sonoma South side of W Railroad Ave between Hwy 101 and Stony Point Road Comment
  CAS-BOT-BC74108  Turritis glabra Rimo Bacigalupi 1926-5-2 1404 Sonoma Cazadero. Comment
  CAS-BOT-BC74110  Turritis glabra A. A. Heller; H. E. Brown 1902-5-29 5624 Sonoma Mount Hood. Comment
  CHSC997  Ulex europaeus M. Anthony 1953-3-9 Sonoma Comment
  CAS-BOT-BC91282  Umbellularia californica Walter Knight; Irja Knight 1963-12-27 476 Sonoma Summit, Pine Flat Road. Comment
  CAS-BOT-BC91284  Umbellularia californica Wosnessensky 1840-11-30 s.n. Sonoma Saint Pavio. Fort Ross. Comment
  CAS-BOT-BC382824  Uropappus lindleyi G. DeNevers 1981-4-25 835 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC382823  Uropappus lindleyi K. L. Chambers 1978-4-29 4466 Sonoma Cloverdale to Fort Bragg road (Hwy. 128), 3.8 miles W of junction with Hwy. 101 at Cloverdale Comment
  UC133488  Uropappus lindleyi C. F. Baker 1903-4-20 2609 Sonoma Mt. St. Helena Comment
  UCD136928  Uropappus lindleyi Frederica Bowcutt 1994-5-21 1820 Sonoma About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 1.5 air miles NE of Kenwood. About 18 air miles northwest of Napa. Along meadow trail approximately 3/4 mile from trailhead. 411 Comment
  RSA169297  Urtica dioica subsp. gracilis L. S. Rose 1964-6-3 64056 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC404231  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-8-13 1717 Sonoma Bodega Head Marsh Comment
  UC456167  Vaccinium ovatum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCD118089  Vaccinium ovatum A. T. Leiser 1969-6-24 s.n. Sonoma Red Mt. NE facing ravine. 91 Comment
  CAS-BOT-BC199472  Vaccinium parvifolium L. R. Abrams 1920-7-3 7595 Sonoma Gualala River Comment
  CAS-BOT-BC76163  Vancouveria planipetala J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC76165  Vancouveria planipetala J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero. Comment
  SD88335  Vancouveria planipetala Darley F. Howe 1972-5-1 Sonoma Duncan Mills Pond 149 Comment
  CAS-BOT-BC135768  Veratrum fimbriatum Elizabeth Eaton Morse 1936-8-30 s.n. Sonoma Gualala River Comment
  CAS-BOT-BC135770  Veratrum fimbriatum Saichi Kawahara 1968-8-28 497 Sonoma Salt Point Ranch 9 Comment
  UCD139921  Veratrum fimbriatum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-19 24 A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC320569  Verbascum Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7808 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC376393  Verbascum Greg de Nevers 1993-8-12 10488 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  CAS-BOT-BC311842  Verbascum Peter Rubtzoff; Nancy Harrison 1974-7-13 7678 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC376308  Verbena Greg de Nevers 1992-7-25 10227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 304 Comment
  UCD167954  Verbena lasiostachys James Neilson 1981-7-16 4057 Sonoma Mayacmas Mountains. Big Sulphur Cr. 100 yards below bridge of Cloverdale-Geysers Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC25159  Verbena lasiostachys var. scabrida J. Burtt Davy 1894-12-9 865 Sonoma Kenwood Comment
  CAS-BOT-BC157662  Veronica Peter Rubtzoff 1960-5-29 4416 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  JEPS27321  Veronica americana Eleanor Armstrong 1932-5-25 514 Sonoma 5 mi w of Graton (Schlackly Flat); Schlackly Flat 91 Comment
  UCD148319  Veronica americana Peter Rubtzoff 1954-6-6 1461 Sonoma Guerneville Marsh. Comment
  UCR279614  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC177117  Veronica americana Peter Rubtzoff 1955-6-4 1896 Sonoma Stony Point Marsh. Comment
  RSA0021066  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  RSA0021067  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1962-5-6 4809 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC257977  Vicia Peter Rubtzoff 1974-5-26 7500 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD38373  Vicia benghalensis Beecher Crampton 1955-4-4 2393 Sonoma Asti. Comment
  JEPS73355  Vicia sativa Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 758 Sonoma 1 mi w Two Rock Junction Comment
  RSA51333  Vicia sativa Peter H. Raven 1950-4-6 1585 Sonoma Cotati to Santa Rosa Comment
  UCSB22472  Vicia sativa subsp. nigra McCarthy, Sharon 1965-4-17 Sonoma In field west of 5th Street West, opposite Betancourt Street intersection, Sonoma 25 Comment
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Jul 28 2008
  CDA4389  Vicia sativa subsp. nigra T. C. Fuller 1977-4-21 20193 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  UC454617  Vicia sativa subsp. sativa I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CAS-BOT-BC361421  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Rd. 243 Comment
  POM135111  Viola adunca A. A. Heller, H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay Comment
  UC1761618  Viola adunca Helen Von Grafen 1927-4-18 Sonoma Cotati Comment
  UC581533  Viola adunca H. L. Mason June 1930 5663 Sonoma mouth of Gualala River 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
  CDA122  Viola glabella D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .285 Sonoma Cavedale Rd. Comment
  CAS-BOT-BC536903  Viola glabella Rimo Bacigalupi 1921-7-1 s.n. Sonoma Woods at Monte Rio Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC536962  Viola lobata Mary P. Wells 1984-5-1 204 Sonoma Near Humbug Creek, S of Calistoga Rd, Hood Mountain Range Comment
  UC19295  Viola lobata subsp. lobata W. H. Brewer 1864-1 3943 Sonoma near the Geysers (at Pine Mountain); Pine Mountain Comment
  HSC21828  Viola ocellata Malcolm L. Byce 1936-3-22 168 Sonoma Camp Miller, 3.5 mi. W of Cazadero, towards Ft. Ross, on Ward Creek Comment
  CDA2764  Viscum album O. E. Bremmer 1929-12-29 Sonoma Santa Rosa. 0 Comment
  CDA2766  Viscum album G. D. Barbe 1968-1-1 859 Sonoma 7790 Atkinson Road, 1 block east of State Hwy 12, 1.5 miles north of Sebastopol. 0 Comment
  CAS-BOT-BC540819  Vitis Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  SJSU7518  Vitis californica L. S. Rose 1968-6-25 68115 Sonoma Rincon Ridge NE of Santa Rosa 121 Comment
  UCD158821  Vitis californica James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2898 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  SEINET10691494  Vitis californica A. Arthur Heller 1902-6-24 Heller 5760 Sonoma Near Burke's Sanitarium. Comment
  UCD102746  Vitis californica K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  CAS-BOT-BC385077  Vitis girdiana L. R. Abrams 1916-7-4 5799 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC199900  Vulpia bromoides John Thomas Howell 1947-6-26 23314 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC199917  Vulpia bromoides Peter Rubtzoff 1952-6-10 1205 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UC573936  Vulpia bromoides H. S. Yates 1937-6-6 6585 Sonoma 3 mi e Jenner; Duncan Hills Quad. 60 Comment
  UCD93529  Vulpia bromoides Mary M. Hektner 1974-5-27 9 Sonoma south of Whaler's Ranch, Unit 7 Owner's Map, Sea Ranch, near State Hwy 1. Comment
  UCD93551  Vulpia bromoides P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Retrified Forest Road. Comment
  SEINET5427986  Vulpia microstachys L. Koch 1940-4-22 835 Sonoma At Geysers in Sulfur Creek Canyon Comment
  JEPS27968  Vulpia microstachys var. pauciflora Rimo Bacigalupi and L. Heckard 1961-6-9 7738 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner Road) 249 Comment
  UCD94675  Vulpia myuros Collector unknown 1941-3