Search Results — 2000 specimen records retrieved (1263 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC233755  Abronia umbellata Rimo Bacigalupi 1928-6-18 1898 Sonoma Beach at mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  CAS-BOT-BC332752  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  JEPS77871  Acer macrophyllum Robert M. Lloyd 1965-5-8 3634 Sonoma corner of Pressley Road and Sonoma Mt. Road w Glen Ellen; w of Glen Ellen Comment
  SEINET12238549  Acer macrophyllum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -267 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET11842967  Achillea borealis subsp. californica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -228 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC30085  Achillea millefolium Alice Eastwood 1915-6-29 4805 Sonoma Bodega Point Comment
  RSA452609  Achlys triphylla Christopher Davidson 1977-6-20 6029 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  JEPS47752  Achlys triphylla subsp. triphylla Alice Louise Griffin 1924-8-7 Sonoma Stewart's Point Comment
  CAS-BOT-BC29159  Achyrachaena mollis D. D. Keck 1931-4-2 1000 Sonoma Boyes Springs 30 Comment
  CAS-BOT-BC29160  Achyrachaena mollis D. D. Keck 1931-4-2 1000 Sonoma Boyes Springs 30 Comment
  CAS-BOT-BC29162  Achyrachaena mollis J. T. Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53994 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC29167  Achyrachaena mollis G. DeNevers 1981-4-25 807 Sonoma Franz Valley Road and Mark West Springs Road Comment
  RSA783731  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD104028  Acmispon brachycarpus Frederica Bowcutt 1994-6-25 1913 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 Grey Pine Trail about 1/2 way between Bushy Peak Trail and Meadow Trail. 530 Comment
  UCD104032  Acmispon brachycarpus Frederica Bowcutt 1996-3-24 2084 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  UCD104090  Acmispon brachycarpus Patti Togioka; R. Waraich 1993-5-8 207 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 about 2 air miles S of Bald Mtn. 365 Comment
  UCD104299  Acmispon parviflorus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-6 135 Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD104308  Acmispon parviflorus P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  UC635414  Actaea rubra H. L. Mason 1928-7-11 4891 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC391713  Actaea rubra Mrs. E. C. Sutliffe 1928-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC29848  Adenocaulon bicolor Volney Rattan 1877-6-18 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC29850  Adenocaulon bicolor Rimo Bacigalupi 1926-5-2 1398 Sonoma Cazadero Comment
  CAS-BOT-BC139920  Adenostoma fasciculatum A. A. Heller 1902-6-23 5741 Sonoma Petrified Forest Comment
  JEPS97818  Adiantum aleuticum R. Raiche and K. Zadnik 1981-1-12 Sonoma Willow Creek Rd. Comment
  JEPS128354  Adiantum capillus-veneris Roger Raiche 2000-5-5 097 .00 Sonoma The Cedars. Venus' Seep in Spicebush Canyon. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128359  Adiantum jordanii Roger Raiche 2000-3-11 003 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC479340  Adiantum jordanii Marcus E. Jones, A. M. 1931-7-5 29165 Sonoma The Geysers Comment
  HSC937  Adiantum jordanii F. Demostene 1966-4-8 33 Sonoma 25 mi. W of Healdsburg Comment
  CDA1677  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  CDA1668  Aegilops triuncialis T. C. Fuller 1960-6-14 4484 Sonoma Weeks Ranch, Los Alamos Rd., ca. 8 miles NE/ Santa Rosa 0 Comment
  SEINET1908065  Aesculus californica Lewis S. Rose 1968-1 58116 Sonoma Rincon Valley, Brush Creek, ne of Santa Rosa 122 Comment
  UCD136674  Aesculus californica C. Wistrom 1996-5-26 29 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UC76199  Agastache urticifolia Miss M. Alice King May 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UCD166070  Agoseris Peter Rubtzoff 1971-5-30 6479 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC184  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  SEINET7067260  Agoseris grandiflora A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  POM180621  Agoseris hirsuta J. T. Howell 1930-6-8 5268 Sonoma North end of Bodega Bay. Comment
  RSA0065936  Agropyron Greg de Nevers 1989-04 9065 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC166697  Agrostis Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8584 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC176397  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC176404  Agrostis Peter Rubtzoff 1971-6-25 6558 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC210001  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca. 1 air mi. WSW of Cunningham Station Comment
  CAS-BOT-BC376368  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  UC37003  Agrostis H. N. Bolander 1860-1 6456 Sonoma Cloverdale Comment
  UCD166331  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). 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
  UC1153791  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma 4.6 mi n Salmon Creek (Duncan's Point, Sonoma Coast State Park); Sonoma Coast State Park, Salmon Creek Comment
  UCD37151  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD37154  Agrostis blasdalei Beecher Crampton 1957-7-11 4340 Sonoma Sonoma County, 2.5 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51839  Agrostis blasdalei Beecher Crampton 1957-7-22 4390 Sonoma above Stillwater Cove, State Hwy. 1, 11.1 miles south Stewart's Point. Comment
  CAS-BOT-BC127484  Agrostis capillaris Milo S. Baker 1944-7-29 10878 Sonoma Brookside Garden, near Kenwood. Comment
  RSA298529  Agrostis capillaris Robert A. Norris, John L. Inase, Allen Nakagawa, Carol A. Roberts, Willie J. Roberts, Nelson R. Powers 1982-8-8 4432 Sonoma Sonoma State Beach, near Goat Rock Picnic Area, across mouth of Russian River from Jenner. Comment
  UCD37160  Agrostis densiflora Beecher Crampton 1957-7-22 4367 Sonoma Sonoma County, Sonoma Coast State Park, 0.3 mile south of Stewart's Point, bluffs above Fisherman's Bay. Comment
  UCD51887  Agrostis densiflora Beecher Crampton 1957-7-11 4331 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD51895  Agrostis densiflora Beecher Crampton 1957-7-22 4377 Sonoma 1.5 miles south of Stewart's Point. Comment
  UCD148474  Agrostis exarata Peter Rubtzoff 1964-8-20 5461 Sonoma Americano Creek area, along Petaluma-Valley Ford road near Bloomfield. Comment
  UCD52413  Agrostis exarata Freed W. Hoffman 1944-5-30 2014 Sonoma Russian River, Guernewood Park. Comment
  CAS-BOT-BC126964  Agrostis exarata Leo Koch 1938-6-12 313 Sonoma Along Redwood Highway about 3 miles north of Santa Rosa. Comment
  UCD52071  Agrostis exarata R. Tofsrud 1941-5-1 136 Sonoma Sonoma County, California. Comment
  UCD52441  Agrostis exarata H. S. Yates 1937-6-6 6577 Sonoma 3 miles W of Santa Rosa. 45 Comment
  UCD52245  Agrostis exarata var. monolepis G. F. Hrusa; R. Gross 1996-6-30 13064 Sonoma at W end of Diamond Mtn. Rd. 2 m. SW of Calistoga. 700 Comment
  UCD52239  Agrostis exarata var. pacifica Beecher Crampton 1955-7-15 2915 Sonoma 6 miles west of Forest Hill. Comment
  CAS-BOT-BC139552  Agrostis gigantea Peter Rubtzoff 1951-7-8 391 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC138857  Agrostis microphylla K. Wagnon 1939-5-11 190 Sonoma Vernal Pool in Bennett Valley. Comment
  HSC9996  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Above Sulfur Creek Geysers. Comment
  CAS-BOT-BC139118  Agrostis oregonensis Peter Rubtzoff 1951-8-5 605 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC138914  Agrostis pallens Milo S. Baker 1947-5-30 11774 Sonoma 2 miles northeast of Occidental along Harrison Grade. 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
  UCD53076  Agrostis pallens R. Tofsrud 1941-7-1 128 Sonoma Parker Hill, Santa Rosa. Comment
  UCD53528  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast: 5 miles south of Steward Point. Comment
  CAS-BOT-BC138399  Aira caryophyllea var. capillaris John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54665 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC138206  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1951-6-16 230 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC138215  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1952-6-10 1213 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  SEINET11689067  Aira praecox H. K. Wagnon 1989-1 1873 Sonoma Salt Pt. State Park 0 Comment
  UCR244502  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  CAS-BOT-BC445331  Alisma lanceolatum Peter Rubtzoff 1963-7-14 5200 Sonoma Laguna de Santa Rosa east of Graton. Comment
  JEPS128306  Allium amplectens Roger Raiche 2009-4-30 027 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  UCR255048  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC462386  Allium amplectens Peter Rubtzoff 1963-6-18 5182 Sonoma Bennett Mtn. Lake; Sonoma County Marshes Comment
  UC584213  Allium dichlamydeum David D. Keck and J. Clausen 1935-6-15 3366 Sonoma 1 mi n Salmon Creek (bluff above ocean) Comment
  CAS-BOT-BC469107  Allium dichlamydeum A. L. Graff 1928-6-1 s.n. Sonoma Near Cazadero Comment
  SEINET5502059 Image available Allium dichlamydeum Sally Walker 1982-1 s.n. Sonoma Duncans landing Comment
  CAS-BOT-BC475455  Allium serra Greg de Nevers 1992-5-19 10153 Sonoma Pepperwood Ranch Natural Preserve 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC474309  Allium unifolium Mark Okada 1975-5-25 s.n. Sonoma Springs Rd Comment
  UCD141806  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma south side of Petaluma Valley Ford Hwy, 2 miles NE of Two Rock. Comment
  CAS-BOT-BC371473  Allium vineale Greg de Nevers 1994-6-29 10527 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the road below Red Corral. 400 Comment
  CAS-BOT-BC451308  Allotropa virgata Greg de Nevers 1991-6-22 9752 Sonoma Pepperwood Natural Preserve., 33450 Franz Valley Road 475 Comment
  CAS-BOT-BC453448  Allotropa virgata Hugh Leech 1966-5-30 s.n. Sonoma Ida Clayton Road summit, at Lake Co. line 807 Comment
  CAS-BOT-BC169655  Alnus rhombifolia Peter Rubtzoff 1960-6-9 4488 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC251180  Alnus rubra Peter Rubtzoff 1966-11-9 5836 Sonoma Along Salmon Creek, near Freestone. Comment
  UCR244612  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 mi south of Freestone 64 Comment
  CAS-BOT-BC138049  Alopecurus aequalis var. sonomensis J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield. Comment
  CAS-BOT-BC137906  Alopecurus saccatus A. S. Hitchcock 1902-6-10 5685 Sonoma Santa Rosa. 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-BC44967  Ambrosia chamissonis Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  UC1011025  Ammophila arenaria Virginia Bufford 1936-8-9 411 Sonoma at mouth of Salmon Creek Salmon Creek Comment
  JEPS87225  Amorpha californica var. napensis Jack and Betty Guggolz 1992-5-9 1282 Sonoma 1/2 mi nw Buzzard Peak (ne of Santa Rosa) 271 Comment
  UCD104617  Amorpha californica var. napensis J. M. Tucker 1977-6-16 4397 Sonoma On upper Barnes Creek, in southern part of Shurtleff Ranch off Chalk Hill Road to the east, ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 152 Comment
  CAS-BOT-BC222277  Amsinckia John Thomas Howell 1934-3-25 11778 Sonoma Lakeville Comment
  CAS-BOT-BC222284  Amsinckia John Thomas Howell 1934-3-26 11789 Sonoma Southwestern base of Mt. Hood Comment
  UC1084536  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 s Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  UC1303044  Amsinckia spectabilis Roxana S. Ferris 1932-5-27 8257 Sonoma Bodega Bay Comment
  UC725783  Amsinckia spectabilis A. A. Heller 1940-5-17 15629 Sonoma n of Bodega Bay Comment
  CAS-BOT-BC272873  Ancistrocarphus filagineus Greg de Nevers; Frank Almeda 1987-4-11 8134 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  RSA129301  Andropogon glomeratus Virginia Bufford 1936-9-10 17228 Sonoma 2 miles S.E. of Forestville. Sevastopol 61 Comment
  UC1011024  Andropogon glomeratus var. pumilus Milo S. Baker Apr 1936 251 Sonoma Sonoma Co. Geysers Comment
  SEINET10513944  Andropogon virginicus var. virginicus Harry S. Yates 1937-8-22 Yates 6865 Sonoma 2 miles southeast of Forestville. 30 Comment
  CDA38225  Angelica hendersonii T. C. Fuller 1957-9-24 397 -57 Sonoma Jenner. 0 Comment
  UCD161384  Angelica tomentosa James A. Neilson Jr.; Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mountains. Ca. 1 1/2 miles northeast of the junction of Socrates Mine Road and Pine Flat Road. (Coordinates and location estimated by label maker.) Comment
  CAS-BOT-BC271442  Anisocarpus madioides F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -164 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US Hwy 101 on Geysers Road 330 Comment
  CAS-BOT-BC271523  Anisocarpus madioides Edw. L. Greene 1894-6-14 s.n. Sonoma Knight's Valley Comment
  JEPS78467  Anisocarpus madioides Edward Lee 1936-6-7 2204 Sonoma McLaren Trail Bohemian Grove Comment
  CAS-BOT-BC173816  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  UCR218639  Anthemis cotula George K. Helmkamp, E. A. Helmkamp 2010-6-4 16219 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-BC102230  Anthemis cotula Peter Rubtzoff 1952-6-10 1235 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC102231  Anthemis cotula W. & I. Knight 1984-8-26 5423 Sonoma Willow Creek Road 60 Comment
  SEINET11671349  Anthoxanthum aristatum Unknown 1940-1 841 Sonoma along Hwy 101, N of Windsor Comment
  UCD150839  Anthoxanthum aristatum subsp. aristatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma Sonoma County, 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. 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
  CHSC35160  Anthoxanthum odoratum M. E. Banning 1969-5-10 118 Sonoma 8 mi. s of Stewards Point on Highway 1. Comment
  JEPS78901  Anthoxanthum odoratum Edward Lee 1936-6-8 2224 Sonoma Bohemian Grove, grounds near entrance Bohemian Grove Comment
  UC730018  Anthoxanthum odoratum Leo F. Koch 1940-4-21 Sonoma 2.5 mi n of Anchor Bay (Highway 1); Highway 1 Comment
  UC78900  Anthoxanthum odoratum Edward Lee 1936-6-8 2224 Sonoma Bohemian Grove, grounds near entrance Bohemian Grove Comment
  UCR179374  Anthriscus caucalis Frederica Bowcutt 1994-6-12 1859 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 miles east of Santa Rosa, 1.5 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 433 Comment
  JEPS82255  Antirrhinum vexillocalyculatum subsp. breweri Roger Raiche 1983-8-6 30583 Sonoma headwaters (creek has no name) of Austin Creek (the Cedars) 457 Comment
  JEPS83373  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-15 330 Sonoma 0.3 mi n Porter Creek Road on Tarwater Grade portion of Franz Vlly Rd (w of Calistoga (Napa County), w side of road); Mark West Springs Quad. (7.5', 1958) 198 Comment
  UC192792  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum unknown 1880-7 Sonoma Petaluma Comment
  UC26380  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. Burtt Davy 1894-12-9 867 Sonoma Kenwood Comment
  JEPS5287  Antirrhinum virga Willis L. Jepson 1893-9-23 21299 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena (just above timber line) Comment
  RSA0077989  Apiaceae B. A. Stein 1981-3-7 449 Sonoma Harrison Grade Rd. 243 Comment
  UCR255744  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma North Coast Range, Cavedale Road 152 Comment
  UC874548  Apiastrum angustifolium Milo S. Baker 1940-5-29 9661 Sonoma 1/2 mi s of Santa Rosa-Calistoga Highway (w of Calistoga) Comment
  UC1299575  Apocynum androsaemifolium Freed W. Hoffman 1947-7-29 1418 Sonoma near Guerneville Guerneville (Gabe's Rock); North Coast Ranges, Gabe's Rock Comment
  UC726166  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  UC1084360  Arabis blepharophylla G. Thomas Robbins 1937-3-26 23 Sonoma near Bodega bay Comment
  RSA0125766  Arabis glabra A. A. Heller, H. E. Brown 1902-5-29 5929 Sonoma Mt. Hood Comment
  CAS-BOT-BC128622  Arbutus menziesii J. W. Congdon 1880-10-14 s.n. Sonoma Healdsburg Comment
  UCD117476  Arbutus menziesii Jennifer Bury; Peggy Herzog 1993-5-8 266 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 100 ft. above parking lot, on Lower Bald Mountain Trail. 402 Comment
  JEPS98902  Arctostaphylos James Roof and Walter Knight 1967-3-20 Sonoma N side of Guerneville Road, 1/2 mi W of Vine Hill Road Comment
  RSA629209  Arctostaphylos Jon E. Keeley 1993-9-11 24791 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629213  Arctostaphylos Jon E. Keeley 1993-9-11 24794 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629221  Arctostaphylos Jon E. Keeley 1993-9-11 24786 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388360  Arctostaphylos X candidissima Freed W. Hoffman 1948-5-10 2677 Sonoma e face North Coast Ranges, Cobb Mt. 1219 Comment
  POM222620  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 miles E of Occidental. Comment
  RSA240619  Arctostaphylos bakeri subsp. bakeri C. W. Tilforth, John Dourley 1973-7-18 909 Sonoma Graton Rd. 1 mi E of Occidental Comment
  UCD50473  Arctostaphylos bakeri subsp. bakeri Roman Gankin 1966-3-3 695 Sonoma East of Occidental Ridge on Graton Road; ca. 2.5 miles east of Occidental. Comment
  UCD59423  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1983-9-20 RR 30723 Sonoma Graton Road near intersection with Tanuda Road (east of Occidental). Comment
  SEINET11998352  Arctostaphylos bakeri subsp. sublaevis Unknown 1987-1 70795 Sonoma N of Cazadero, The Cedars, near confluence of N & E branches of headwaters of Red Slide Creek 421 Comment
  RSA622723  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24768 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC23926  Arctostaphylos canescens subsp. canescens John Thomas Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stwearts Point Comment
  CAS-BOT-BC23974  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-5 4567 Sonoma Petrified Forest Comment
  CAS-BOT-BC23886  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12896 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23894  Arctostaphylos canescens subsp. sonomensis Walter Knight; Irja Knight 1963-11-21 424 Sonoma Rincon Ridge - Sones' Backyard. Comment
  POM367247  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1934-2-22 34030 Sonoma Rincon Ridge, 3 mi NE Santa Rosa Comment
  RSA13417  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  UC424810  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1930-2-21 3877 a Sonoma Rincon Ridge; ; Riveon Ridge Comment
  CAS-BOT-BC23602  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11745 Sonoma Between Fort Ross and Stewart's Point Comment
  UC424786  Arctostaphylos columbiana Milo S. Baker 1929-7-16 3621 c Sonoma nw Inverness (near Hiway) Comment
  CAS-BOT-BC24985  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55005 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality Comment
  CAS-BOT-BC25018  Arctostaphylos densiflora Milo S. Baker 1931-3-7 s.n. Sonoma Roadside near Vine Hill Schoolhouse. Comment
  RSA88338  Arctostaphylos densiflora J. T. Howell 1933-4-2 10948 Sonoma 8 miles west of Santa Rosa Comment
  SBBG28870  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma Vine Hill Schoolhouse, 10 mi W of Santa Rosa Comment
  SBBG59976  Arctostaphylos densiflora H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, N of Santa Rosa Comment
  UC1120151  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 829 Sonoma Vine Hill Sebastapol Quadrangle Comment
  UC549448  Arctostaphylos densiflora J. E. Adams 1934-3-28 716 Sonoma Vine Hill School Sta. Rosa Comment
  SEINET11991012  Arctostaphylos densiflora W. Knight, Knight, I.; Knight, T. 1983-1 4766 Sonoma California Native Plant Society manzanita preserve on Vine Hill School Rd Comment
  UCD23476  Arctostaphylos glandulosa Alan T. Whittemore 1976-5-31 134 Sonoma Hwy 1 about 2 mi. south of Salt Point State Park and north of Fort Ross. Comment
  SEINET11977772  Arctostaphylos glandulosa C. M. Belshaw 1936-1 1572 Sonoma on Rincon Ridge 1.5 mi N of County Farm 267 Comment
  SEINET11987350  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1981-1 3959 Sonoma 2.3 mi up Cavedale Rd from junction of CA 12 Comment
  RSA631180  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1996-6-22 27487 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  UCD160019  Arctostaphylos glandulosa subsp. cushingiana James A. Neilson Jr. 1975-1-24 3159 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  CAS-BOT-BC24676  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma 5 mi. n. of Cazadero. Comment
  CAS-BOT-BC24724  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. Hood. Comment
  RSA107843  Arctostaphylos glandulosa subsp. glandulosa L. S. Rose 1955-3-21 55035 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. 152 Comment
  UC1120212  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1574 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC535029  Arctostaphylos glandulosa subsp. glandulosa H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa 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
  UCD52230  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1068 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  HSC7649  Arctostaphylos manzanita Freed W. Hoffman 1947-4-7 1879 Sonoma Between Healdsburg and Calistoga Comment
  SEINET11987236  Arctostaphylos manzanita J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4157 Sonoma Strybing Arboretum, San Francisco, Golden Gate Park, orig. from Hood's Peak Comment
  SEINET11995499  Arctostaphylos manzanita subsp. bakeri Unknown 1986-1 60001 Sonoma NE of Healdsburg, Reservoir Hill 122 Comment
  SEINET11998364  Arctostaphylos manzanita subsp. bakeri W. Knight, Knight, I.; Wells, P. V. 1985-1 6379 Sonoma Vine Hill School Rd, on CNPS Preserve 91 Comment
  CAS-BOT-BC38946  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 11760 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38688  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5774 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38708  Arctostaphylos manzanita subsp. manzanita L. R. Abrams 1916-7-4 5781 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC38744  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-4-1 5044 Sonoma Vine Hill Region Comment
  POM209630  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA13422  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA394834B  Arctostaphylos manzanita subsp. manzanita D. Koutnik, Mary Barbercheck 1981-6-18 394834 Sonoma Austin Creek State Recreation Area about four miles north of Guerneville. 488 Comment
  RSA70859  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue Highway, near Santa Rosa. Comment
  UC1121476  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 832 Sonoma Vine Hill Sebastopol Quadrangle 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
  RSA96696  Arctostaphylos manzanita subsp. manzanita P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20377 Sonoma 4 mi. s.w. of Lake-Sonoma Co. line, n.w. to w. slope Mt. St. Helena. 640 Comment
  CAS-BOT-BC47331  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-9-1 259 Sonoma Pine Mt. Rd. NE of Cloverdale. Harold Smith Ranch. Comment
  CAS-BOT-BC47343  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5764 Sonoma Rincon Ridge near Santa Rosa. Comment
  JEPS83502  Arctostaphylos stanfordiana Jack and Betty Guggolz 1986-2-9 845 Sonoma n Guerneville Road (w of Frei Road, above extrapolated (Spanish land grant)) Comment
  JEPS98849  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 1219 Comment
  OBI14515  Arctostaphylos stanfordiana Robert F. Hoover 1963-1-12 8547 Sonoma Cavedale rd, Hoods Peak Range Comment
  RSA636811  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24753 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636823  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24744 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC126754  Arctostaphylos stanfordiana Miss Alice Eastwood 1907-3-29 Sonoma Mt. St. Helena Comment
  UC535020  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  UC549546  Arctostaphylos stanfordiana J. E. Adams 1934-3-10 638 Sonoma Mt. St. Helena Comment
  UCD53849  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 688 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  CAS-BOT-BC43878  Arctostaphylos stanfordiana Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4086 Sonoma at Napa/Sonoma county line in Butts Canyon Comment
  SEINET11989145  Arctostaphylos stanfordiana B. A. Stein 1981-1 453 Sonoma Ida Clayton Rd 457 Comment
  JEPS95237  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  POM367459  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA107836  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1955-3-21 53034 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. 152 Comment
  SEINET11993703  Arctostaphylos stanfordiana var. repens Unknown 1985-1 50041 Sonoma unnamed ridge W side of Cry Creek Valley, N of Crane Cr & S of Bradford Mt 183 Comment
  UC549526  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 824 Sonoma McNamee's Store Comment
  SEINET11991028  Arctostaphylos viscida W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4750 Sonoma The Cedars, on Twitchell Ranch near Cazadero 305 Comment
  CDA11146  Arctostaphylos viscida subsp. pulchella G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11557 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Comment
  RSA202101  Arctostaphylos viscida subsp. pulchella Freed W. Hoffman 1947-2-28 762 Sonoma Near Guerneville, headwaters of Gilliam Creek. Comment
  CAS-BOT-BC47466  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1963-9-15 290 Sonoma Los Alamos Rd., Santa Rosa Comment
  RSA534493  Aristolochia californica Peter Rubtzoff 1986-8-31 9735 Sonoma Off Summerhome Park Road 0.2 mile W of Forest HIlls Road. Comment
  CAS-BOT-BC400489  Aristolochia californica John Thomas Howell 1934-2-22 11733 Sonoma Santa Rosa Comment
  HSC3260  Aristolochia californica James Faro 1962-4-22 5 Sonoma S side of Lake Ralphine in Santa Rosa Comment
  UC445109  Armeria maritima subsp. californica Katharine Brandegee June 1905 Sonoma Bodega Comment
  UCD19910  Armeria maritima subsp. californica C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1191 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  UCD98503  Armeria maritima subsp. californica Ross Swenerton 1966-4-16 22 Sonoma On hill overlooking ocean, Duncan's Landing. 15 Comment
  CHSC1226  Armeria maritima var. californica A. Small 1954-6-4 Sonoma Doran Park. Comment
  SEINET11933459  Armeria maritima var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -145 Sonoma between Salmon Creek & Cormet, junction Coleman Valley Road & CA 1 12 Comment
  CAS-BOT-BC361354  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS35855  Arnica discoidea M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Guerneville and Monte Rio Russian River Comment
  UCD160130  Artemisia douglasiana James A. Neilson Jr. 1973-6-6 2946 a 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
  UCR280151  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh, slope of Green Valley Road 164 Comment
  CAS-BOT-BC172573  Artemisia douglasiana Peter Rubtzoff 1958-9-1 3963 Sonoma Vacation Beach, near Guerneville. Comment
  RSA552337  Artemisia suksdorfii L. M. Shultz, John Shultz 1986-9-20 10233 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
Read comments
May 7 2016
  UCD56044  Arundinaria J. Alexander 1921-11-1 s.n. Sonoma Healdsburg. Comment
  SBBG1379  Asarum caudatum H. and M. Dearing 1939-5-15 3381 Sonoma N of Fort Ross Comment
  UC72227  Asarum caudatum Milo S. Baker 1898-4-5 Sonoma Near Stewart's Point Comment
  RSA416095  Asarum caudatum Christopher Davidson 1977-6-20 6030 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  SEINET197693  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains. 975 Comment
  JEPS128388  Aspidotis densa Roger Raiche 2000-4-23 045 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC68782  Aspidotis densa Donald Branscomb; Harry K. Roberts 1958-6-14 s.n. Sonoma Serpentine hills near Guerneville Comment
  UCD137288  Aspidotis densa Frederica Bowcutt 1994-7-5 1939 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon about 1/4 air mile N of Sonoma Creek and W of Bear Creek road cut along dirt road at intersection wih Goodspeed Trail. 326 Comment
  CDA10240  Aster chilensis P. Robinson 1985-8-1 s.n. Sonoma Guerneville, Sweetwater Springs Road. Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  UCD114253  Athysanus pusillus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  HSC6514  Athysanus pusillus R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1326 Sonoma 1 mi. NW of Big Geysers Comment
  CAS-BOT-BC290670  Atriplex Peter Rubtzoff 1958-9-6 3974 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  UC604106  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach Salmon Creek Comment
  CAS-BOT-BC146137  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  RSA785846  Avena fatua Peter Rubtzoff 1980-5-26 9450 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville. 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-BC98603  Baccharis douglasii John Thomas Howell 1945-8-14 21398 Sonoma Perry Marsh Comment
  UCR279607  Baccharis glutinosa Peter Rubtzoff 1955-9-10 2130 Sonoma North Coast Ranges, Guerneville Marsh 15 Comment
  CAS-BOT-BC354312  Barbarea Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC173601  Barbarea Peter Rubtzoff 1989-4-30 9988 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCR254839  Barbarea orthoceras 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 168 Comment
  CAS-BOT-BC145844  Beckmannia syzigachne Peter Rubtzoff 1958-5-10 3645 Sonoma Laguna de Santa Rosa east of Cunningham near Llano Road. Comment
  JEPS75075  Beckmannia syzigachne Edward Lee 1934-4-30 744 Sonoma 1 mi w. 2 Rock junction Comment
  UCD56788  Beckmannia syzigachne Hursh 1919-8-14 X 3245 Sonoma Healdsburg. Comment
  CHSC22858  Berula erecta Robert A. Schlising 1963-7-27 2630 Sonoma In fresh water marsh adjoining salt marsh on east side of Bodega Penninsula. Comment
  CAS-BOT-BC102005  Bidens frondosa John Thomas Howell 1946-8-17 22849 Sonoma The Laguna north of Sebastopol Comment
  RSA0020331  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  RSA0019008  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC100254  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field southwest of Sonoma. Type locality. Comment
  JEPS19365  Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma Comment
  JEPS86324  Blennosperma bakeri Jack and Betty Guggolz 1988-2-18 900 Sonoma Kovatch property Comment
  JEPS86325  Blennosperma bakeri Jack and Betty Guggolz 1988-2-23 901 Sonoma Kovatch property, n side of San Miguel Road, 1/10 m w of Walzer Rd Comment
  UC963901 Image available Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma in a hog wallow Sonoma Comment
  CDA10525  Blennosperma bakeri T. C. Fuller 1977-4-21 20200 Sonoma North of the fence of the Church of Christ, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  RSA0008301  Blennosperma bakeri Milo S. Baker 1952-3-20 12401 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur. Comment
  RSA0008302  Blennosperma bakeri Milo S. Baker 1952-3-20 12393 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur. Comment
  NY31038  Blennosperma nanum P. H. Raven 1954-2-27 6421 Sonoma Cavedale Road, ca. 3 miles north of Boyes Springs, Sonoma Valley Comment
  RSA41980  Blennosperma nanum Ella Dales Cantelow 1941-4-18 3590 Sonoma 2 miles north of Windsor. 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-BC367998  Boechera breweri subsp. breweri Donald Loarie 2014-4-20 s.n. Sonoma On a tributary just upstream of the confluence with Sausal Creek but before reaching Pine Flat Road culvert and nearby pumping station Comment
  CAS-BOT-BC154955  Boisduvalia Peter Rubtzoff 1971-6-30 6581 Sonoma Eastern foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive Comment
  CAS-BOT-BC166653  Boisduvalia densiflora Peter Rubtzoff 1959-9-13 4266 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC31353  Bolboschoenus robustus Walter Knight; Irja Knight 1984-8-27 5082 Sonoma Gilardi's Resort near Lakeville in tidal area. 3 Comment
  CDA17201  Boykinia occidentalis G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16200 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UC964743  Boykinia occidentalis R. F. Hoover 1942-7-6 5914 Sonoma canyon s Geysers; canyon s of the Geysers Comment
  UCD102603  Boykinia occidentalis Frederica Bowcutt 1994-7-5 1940 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along S edge of Sonoma Creek just upstream from confluence with Bear Creek. Immed. E of Goodspeed Trail Bridge over Sonoma Creek. N of Adobe Canyon Road about 60 ft. 225 Comment
  SEINET259061 Image available Brachypodium phoenicoides P. G. Connors 1991-6-5 128 Sonoma Sonoma Coast State Beach; North of Bodega Bay in Salmon Creek Dunes within State Park Boundary Comment
  CAS-BOT-BC376281  Brickellia californica Greg de Nevers 1992-6-26 10189 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  SEINET4182955 Image available Briza maxima Ira L. Wiggins, R. S. Ferris 1943-4-30 10165 Sonoma Roadside 0.5 Mile South of Asti, along Highway 101. Comment
  UC727686  Briza maxima Milo S. Baker 1946-5-13 11389 Sonoma near Vine Hill School House Comment
  UCD57148  Briza maxima B. Crampton 1955-6-17 2968 Sonoma Along State Hwy. 1. Fort Ross. Comment
  CDA32955  Briza maxima D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  SEINET3128635  Briza maxima M. A. King 1897-1 sn Sonoma Near Healdsburg Comment
  SEINET5717720 Image available Briza maxima Anthony Tin Yan Tse 1972-1 3 -4 Sonoma 2 miles south of Jenner of Highway 1, Sonoma County, California.; Jenner Comment
  UCD57132  Briza maxima Chris Chan 1991-3-5 5 Sonoma Bay Hill Road. 182 Comment
  CAS-BOT-BC145287  Briza minor Peter Rubtzoff 1956-9-11 2852 Sonoma Vacation Beach, near Guerneville. Margin of a pool on Russian River bottom. Comment
  CAS-BOT-BC145296  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma Four miles west of Calistoga, just west of county line. Comment
  UC1130933  Briza minor H. S. Yates 1934-4-21 Sonoma near Duncan Mills; Duncan Mills Quadrangle Comment
  CAS-BOT-BC132211  Brodiaea californica var. leptandra R. F. Hoover 1938-6-14 3604 Sonoma 2 mi. se. of Healdsburg Comment
  CAS-BOT-BC140074  Brodiaea californica var. leptandra Roger Raiche 1985-6-22 RR 50553 Sonoma West side of Dry Cr Valley and west of town site of Dry Creek, unnamed ridge north of Crane Cr and south of Bradford Mt. 161 Comment
  JEPS27976  Brodiaea elegans subsp. elegans Rimo Bacigalupi and L. Heckard 1961-6-9 7733 Sonoma at junction of Joy Road and Bittner Road 1.75 mi sw Occidental 249 Comment
  UCD160815  Brodiaea elegans subsp. elegans James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3354 Sonoma Section 10, One-quarter mile west of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker). 396 Comment
  CAS-BOT-BC484394  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6086 Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol Comment
  SEINET7096771  Brodiaea stellaris A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  UCD163100  Brodiaea stellaris Robert E. Preston 2014-5-17 2963 Sonoma 4.5 mi NNW of Cazadero. 190 Comment
  CHSC22978  Brodiaea terrestris Robert A. Schlising; Lloy Thurman 1962-6-15 2314 Sonoma Ca. 9 mi N Jct Hwy 1 and Stewarts Point Road. Comment
  UC1299328  Brodiaea terrestris subsp. terrestris Freed W. Hoffman 1950-6-1 4003 Sonoma Kruz Ranch North Coast Ranges, Sonoma Coast Comment
  UC768720  Brodiaea terrestris subsp. terrestris R. F. Hoover 1938-6-14 3605 Sonoma 2 mi se Healdsburg Comment
  CAS-BOT-BC486459  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Nancy Harrison 1978-5-20 9183 Sonoma Cunningham Marsh area on north side of Blucher Creek valley. Comment
  CAS-BOT-BC486470  Brodiaea terrestris subsp. terrestris Catherine Best 1983-6-10 s.n. Sonoma Salt Point, on bluff above the ocean Comment
  CAS-BOT-BC311812  Bromus Peter Rubtzoff 1964-6-24 5376 Sonoma Coleman Marsh. Comment
  CAS-BOT-BC331481  Bromus Peter Rubtzoff; H. A. Froebe 1971-5-30 6459 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD57976  Bromus carinatus Beecher Crampton 1957-7-11 4303 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD36637  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC149051  Bromus carinatus var. carinatus Peter Rubtzoff 1952-5-31 1100 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC149094  Bromus carinatus var. carinatus G. DeNevers 1981-5-20 1233 Sonoma Pepperwood Ranch. At confluence of Leslie Creek and Mark West Creek. Comment
  UC1131000  Bromus carinatus var. carinatus H. S. Yates 1934-6-21 3868 Sonoma near Bodgea 60 Comment
  UCSC000041  Bromus carinatus var. carinatus Charisse Bickford 1979-5-14 s.n. Sonoma 2 miles E. of Mark West Springs - Calistoga Comment
  UC1146636  Bromus carinatus var. maritimus Freed W. Hoffman 1944-7-1 1984 Sonoma North Coast Ranges, Bodega Bay Bodega Bay; North Coast Ranges, Bodega Bay Comment
  CAS-BOT-BC155893  Bromus catharticus var. elatus David L. Morgan 1961-5-14 s.n. Sonoma 1 mile east of Cotati on Cotati Avenue. Comment
  RSA0023113  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC155665  Bromus diandrus Peter Rubtzoff 1952-5-10 1021 Sonoma Pitkin Marsh near Forestville. Bordering the Upper Marsh in the east. Comment
  UCD66097  Bromus diandrus Frederica Bowcutt 1994-5-21 1815 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. Along the Meadow Trail ~3/4 mile from the trail head, east from trail up ~100 yds. 411 Comment
  CAS-BOT-BC155206  Bromus hordeaceus David L. Morgan 1961-5-17 s.n. Sonoma East of Cotati on Petaluma Hill Road near Cotati Avenue. Comment
  CAS-BOT-BC155215  Bromus hordeaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6275 Sonoma Dodd Road Preserve. 24 Comment
  SEINET10901199  Bromus hordeaceus A. Arthur Heller 1902-4-17 Heller 5325 Sonoma Santa Rosa. Comment
  SEINET11690154  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6278 Sonoma Todd Road Preserve 24 Comment
  SDSU951  Bromus japonicus D. F. Howe 1972-5-2 4817 Sonoma Trail above Duncan Mills Pond Comment
  SEINET3923003  Bromus japonicus Fred W. Hoffman 1941-7-5 2079 Sonoma Forestville, CA.; 0 Comment
  CAS-BOT-BC175469  Bromus laevipes Catherine Best 1995-6-17 s.n. Sonoma Pepperwood Nature Preserve (property of California Academy of Sciences) Comment
  JEPS128385  Bromus laevipes Roger Raiche 2000-5-4 064 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS27963  Bromus laevipes Rimo Bacigalupi and L. Heckard 1961-6-9 7744 Sonoma about 3/4 mi nw of Occidental School (along Stoetz Lane about 1/2 mi nw of its junction with Harrison Grade Road, at head of North Fork of Lancel Creek); Stoetz Lane, North Fork Lancel Creek 222 Comment
  RSA74446  Bromus laevipes Milo S. Baker 1947-5-30 11778 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  SBBG22698  Bromus laevipes M. S. Walters 1960-6-12 Sonoma vicinity of Monte Rio on St Hwy 12 Comment
  CAS-BOT-BC162393  Bromus laevipes David L. Morgan 1956-6-10 s.n. Sonoma On the Bennett Valley Road, in Crane Canyon, 1 mile east of the junction of the Petaluma-Hill Road. Comment
  UCD58924  Bromus laevipes B. Crampton 1955-6-8 2826 Sonoma 7 miles northwest of Calistoga. Along State Hwy. 128. Comment
  CAS-BOT-BC162255  Bromus maritimus David L. Morgan 1961-5-7 s.n. Sonoma Doran Park, about 1 mile south of Bodega Bay. Comment
  JEPS116506  Bromus pseudolaevipes Peter Warner 2009-6-3 112 Sonoma Poff Ranch, along N unfenced boundary, adjacent to or on Willow Creek (Calif. State Parks property), upper east Pomo Canyon, on logging road-cut 173 Comment
  UCD36880  Bromus racemosus Beecher Crampton 1956-4-24 3309 Sonoma Sonoma County, Healdsberg, vacant lot at junction of Prince and Sherman Streets. Comment
  UCD95022  Bromus rubens Freed W. Hoffman 1942-5-3 2249 Sonoma North Coast Ranges. Oregon Canyon near Camp Meeker. Comment
  UC121247  Bromus secalinus H. S. Nichols June 1890 Sonoma Healdsburg Comment
  CAS-BOT-BC161582  Bromus sterilis G. DeNevers 1981-4-23 788 Sonoma Pepperwood Ranch. Pippindale farm. In Garden. Also along roads to Garden and along Mesa. Comment
  CAS-BOT-BC185376  Bromus vulgaris Roxana S. Ferris; Laura Lorraine 1961-6-14 13536 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  UCD114948  Cakile maritima Mary M. Hektner 1974-7-19 150 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC36910  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  UCR254896  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC185407  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC185414  Calamagrostis bolanderi John Thomas Howell 1947-6-5 23235 Sonoma Cunningham Marsh. Comment
  UC1146621  Calamagrostis bolanderi Freed W. Hoffman 1943-6-20 2058 Sonoma near Salt Point (Eckert Ranch); North Coast Ranges, Sonoma Coast Comment
  CAS-BOT-BC185129  Calamagrostis nutkaensis Peter Rubtzoff 1963-8-17 5228 Sonoma Russian River Mouth Marsh. Comment
  UCD160969  Calamagrostis ophitidis James A. Neilson Jr. 1975-7-8 3411 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD57535  Calamagrostis ophitidis R. Tofsrud 1948-7-1 s.n. Sonoma about halfway between The Geysers and Alexander Valley. Comment
  UCD57738  Calamagrostis rubescens R. Tofsrud 1951-6-1 s.n. Sonoma north of Sonoma, 'Top-O-The-World' Road, near Bay Area Lookout. Comment
  CAS-BOT-BC438600  Calandrinia ciliata Peter Rubtzoff 1953-5-16 1362 Sonoma Vacation Beach, near Guerneville. Bank of Russian River. Comment
  CAS-BOT-BC438601  Calandrinia ciliata Peter Rubtzoff 1959-4-18 4030 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing. Comment
  CAS-BOT-BC438613  Calandrinia ciliata Walter Knight; Irja Knight 1963-8-13 168 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC438608  Calandrinia ciliata G. DeNevers 1982-3-28 1937 Sonoma Pepperwood Ranch. Across the pasture from the barn at Pepperwood. Comment
  CAS-BOT-BC376223  Callitriche marginata Greg de Nevers 1995-5-20 10729 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In road through Fern Canyon 487 Comment
  UCR249053  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh 21 Comment
  RSA0037209  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh. Comment
  UC672157  Calochortus amabilis Herbert L. Mason 1934-4-28 8068 Sonoma Jensen's Ranch Dohrman Creek 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-BC483276  Calochortus amabilis F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC483294  Calochortus amabilis Wayne Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, n.w. side of Mt. St. Helena 304 Comment
  SEINET8194287  Calochortus amabilis W. Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, NW side of Mount St. Helena. 305 Comment
  SEINET12049778  Calochortus luteus F. H. Utech 1986-1 86 -098 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  RSA0000330  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  UCD160814  Calochortus superbus James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3039 Sonoma Section 10, The Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 426 Comment
  JEPS61740  Calochortus tolmiei Vina Krager 1849-4-26 Sonoma 15 mi from Duncan's Mills; Bodega Comment
  CAS-BOT-BC494025  Calochortus tolmiei Wayne Roderick 1967-5-15 s.n. Sonoma 1 mile n. of Fort Ross 22 Comment
  CAS-BOT-BC494037  Calochortus tolmiei A. A. Heller; H. E. Brown 1902-1-11 5263 Sonoma Bodega Bay Comment
  CAS-BOT-BC181539  Caltha palustris Peter Rubtzoff 1955-4-9 1768 Sonoma Forestville Marsh Comment
  UC1876265  Calycadenia fremontii Gerald D. Carr 1972-9-11 731 Sonoma 1.0 mi W of Westside Rd. on Mill Creek Rd., 2.5 mi SW of Healdsburg. 106 Comment
  RSA255487  Calycadenia multiglandulosa subsp. cephalotes Gerald D. Carr 1971-7-6 577 Sonoma Jct. of Facienda Lane and Occidental Road. Comment
  CAS-BOT-BC270844  Calycadenia pauciflora Gerald D. Carr 1972-3-20 687 Sonoma 1.0 mile W of Westside Road on Mill Creek Road, 2.5 miles SW of Healdsburg 106 Comment
  POM215112  Calycadenia truncata subsp. truncata J. T. Howell 1932-10-9 10812 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC90998  Calycanthus occidentalis G. DeNevers 1981-6-20 1610 Sonoma Pepperwood Ranch. Along Mark West Creek. Also along Leslie Creek. Comment
  CAS-BOT-BC91012  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mile east of junction with Harrison Grade Road. Comment
  UC34952  Calycanthus occidentalis W. C. Blasdale 1896-7-18 Sonoma Cazadero Comment
  UCD137794  Calycanthus occidentalis Frederica Bowcutt 1994-5-1 1764 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles N of Kenwood. In Adobe Canyon along Sonoma Creek just east of confluence with Bear Creek, near bridge over Sonoma Creek. Godspeed trail about 30 yards from trailhead. 198 Comment
  CAS-BOT-BC91010  Calycanthus occidentalis A. T. Graff 1925-6-7 s.n. Sonoma Trospers. Comment
  CAS-BOT-BC91017  Calycanthus occidentalis W. W. Carruth 1899-7-1 s.n. Sonoma Russian River. Comment
  HSC16569  Calypso bulbosa F. Demostene 1966-4-11 41 Sonoma 25 mi. W of Healdsburg Comment
  UC571414  Calypso bulbosa Jean Linsdale 1937-2-10 Sonoma Bodega Creek Comment
  JEPS86302  Calystegia Jack and Betty Guggolz 1988-5-8 941 Sonoma Pine Flat Road, 7.9 miles from Highway 128 on east side of the road Comment
  UC1794971  Calystegia R. K. Brummitt and T. F. Daniel 1997-5-31 19615 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, near of Bechtel Cabin. Comment
  JEPS87230  Calystegia collina subsp. collina Jack and Betty Guggolz 1991-4-10 1107 Sonoma about 3 mi n Oakmont (Santa Rosa, gorwing on n side of Los Alamos Road about a half-mi e of a high-power line crossing); n of Oakmont, Santa Rosa 524 Comment
  UCR198236  Calystegia purpurata Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .272 Sonoma Cavesdale Road 518 Comment
  CAS-BOT-BC224738  Calystegia purpurata subsp. saxicola Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Point Comment
  UC1123588  Calystegia subacaulis E. Armstrong 1934-3-26 938 Sonoma 4 miles N of Camp Meeker; Sebastopol Quad. Comment
  UC879463  Calystegia subacaulis subsp. subacaulis Lewis S. Rose 1941-5-22 41251 Sonoma Rincon Ridge, 4 mi E of Santa Rosa. Comment
  NY679548  Camissonia cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma On the bluff N of the town of Bay, Bodega Bay. Comment
  UCR6060  Camissonia ovata Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay Region, Hwy 116, 5 mi. south of Sonoma 305 Comment
  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
  UCD103511  Camissoniopsis cheiranthifolia H. A. Borthwick 1925-6-7 1844 Sonoma Willow Camp. Comment
  CAS-BOT-BC160368  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Alice Eastwood 1915-6-29 4830 Sonoma Bodega Point Comment
  UCD103523  Camissoniopsis cheiranthifolia subsp. cheiranthifolia David C. Fruchtenicht 1965-5-1 54 Sonoma Marine Biological Station, Horseshoe Cove, Bodega Head. 6 Comment
  UCD103489  Camissoniopsis intermedia Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  SEINET10463919  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma ANAPOLIS Comment
  CLARK-A1528-2364  Campanula prenanthoides John C. Roos 1957-7-2 Sonoma Miller Ridge Comment
  RSA456184  Campanula prenanthoides Lester Rowntree 1931-7-15 s.n. Sonoma Stewart Pt. Skaggs Springs Road. Comment
  SEINET10905924  Campanula prenanthoides Rattan 1877-6-25 RATTAN s.n. Sonoma Cloverdale Comment
  HSC6633  Capsella bursa-pastoris S. N. Wiemeyer 1962-4-20 28 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  RSA786866  Capsella bursa-pastoris Carrie A. Herd 1982-3-14 19 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  CDA37789  Cardamine californica G. F. Hrusa, R. Gross 1996-3-8 12657 Sonoma North Coast Biodiversity Arena; Above lower Foote Creek. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  SD130426  Cardamine californica F. Almeda, G. DeNevers 1981-3-30 4889 Sonoma Pepperwood Ranch Comment
  UC72915  Cardamine californica Milo S. Baker 1898-4-3 Sonoma roadside between Guerneville and Cazadero; btwn Guerneville and Cazadero Comment
  UCD167111  Cardamine californica James Neilson 1977-3-25 3849 Sonoma Mayacmas Mountains. Socrates Mine area. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC37765  Cardamine californica Walter Knight; Irja Knight 1964-3-11 546 Sonoma Old Sonoma Mountain Road. Comment
  UC1084357  Cardamine californica var. integrifolia G. Thomas Robbins 1937-3-26 16 Sonoma along highway to Sebastopol just w Wright School; w of Wright School Comment
  CAS-BOT-BC38039  Cardamine oligosperma W. R. Dudley 1894-5-1 s.n. Sonoma Mountains west of Calistoga. Comment
  CAS-BOT-BC281725  Carduus pycnocephalus Alice Eastwood; John Thomas Howell 1938-5-15 5505 Sonoma Near Mark West Springs Comment
  UC905009  Carex John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh Comment
  UC963926  Carex Milo S. Baker 1947-6-26 11830 Sonoma ca. 1 mi (airline) sw Cunningham Station (Cunningham Marsh) 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
  UCD161859  Carex James A. Neilson Jr. 1973-6-6 s.n. Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  UCR255714  Carex abrupta Peter Rubtzoff 1958-6-1 3691 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road 30 Comment
  UCR255715  Carex abrupta Peter Rubtzoff 1960-5-18 4392 Sonoma Bodega Head Marsh 6 Comment
  CAS-BOT-BC334524  Carex abrupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  SEINET7546986  Carex albida J. T. Howell, J. W. Stacey 1937-1 Sonoma Comment
  UC590014  Carex athrostachya H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School 91 Comment
  UCR208538  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton [Rd.], south of Woolsey Road Comment
  RSA0022355  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma On River Road about 3 miles W of Fulton. Comment
  UCD112443  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC19366  Carex barbarae J. W. Congdon 1880-5-17 s.n. Sonoma Sebastopol. Comment
  UCR248956  Carex barbarae Peter Rubtzoff 1958-7-26 3800 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UCR249340  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh 71 Comment
  RSA0022384  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC329312  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC19564  Carex bolanderi J. W. Congdon 1880-6-14 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC34027  Carex brevicaulis John Thomas Howell 1938-7-3 13950 Sonoma Stony Point. Comment
  UC728661  Carex buxbaumii Milo S. Baker 1945-6-18 11109 Sonoma upper meadow, Pitkin Marsh Pitkin Marsh Comment
  CAS-BOT-BC18986  Carex densa G. DeNevers 1981-6-15 1536 Sonoma Pepperwood Ranch. Along the stream down from the Rogers Apple Orchard. Comment
  CAS-BOT-BC20485  Carex densa Peter Rubtzoff 1952-5-31 1122 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC20509  Carex densa Peter Rubtzoff 1957-5-11 3329 Sonoma Sonoma County Marshes. Occidental Marsh. Comment
  CAS-BOT-BC246547  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh Comment
  UC1586927  Carex densa Juha Pykala and D. H. Norris 1987-5-31 1303 Sonoma e Guerneville Road; Pitkin Marsh 35 Comment
  UC70609  Carex densa F. Bioletti 1893-5-22 Sonoma Glen Ellen Comment
  UCD112359  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh. Comment
  UCR208522  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh Comment
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Feb 21 2013
  CAS-BOT-BC20474  Carex densa G. DeNevers 1981-3-25 570 Sonoma Pepperwood Ranch. North of 3 Tree Hill. Comment
  UCR250396  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  CAS-BOT-BC20134  Carex feta Peter Rubtzoff 1957-5-11 3328 Sonoma Occidental Marsh. Comment
  RSA0022348  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC20443  Carex globosa 1895-5-30 s.n. Sonoma Cazadero. Comment
  CAS-BOT-BC28329  Carex gracilior J. W. Stacey 1933-4-16 s.n. Sonoma Santa Rosa. Comment
  RSA0022389  Carex gracilior Peter Rubtzoff 1959-4-18 4029 Sonoma Laguna de Santa Rosa northeast of Graton, about 0.5 miles north of Guerneville road crossing Comment
  RSA94276  Carex gracilior Peter Rubtzoff 1951-7-7 379 Sonoma Pitkin Marsh, near Forestville: Eastern branch of NE upper Marsh in partial shade on damp ground Comment
  RSA0022421  Carex gynodynama Peter Rubtzoff 1964-5-20 5317 Sonoma Brooks Gulch Marsh. Comment
  RSA0022475  Carex gynodynama Peter Rubtzoff 1964-6-3 5348 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC320574  Carex harfordii Peter Rubtzoff 1964-5-20 5304 Sonoma Brooks Gulch Marsh. Comment
  RSA0022358  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  RSA0023064  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC419696  Carex lasiocarpa Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31179  Carex lemmonii Peter Rubtzoff 1951-6-16 260 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC31181  Carex lemmonii Peter Rubtzoff 1951-6-16 256 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  UCR249048  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh Comment
  JEPS128344  Carex mendocinensis Roger Raiche 2000-4-8 022 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA0034041  Carex obnupta Peter Rubtzoff 1964-5-20 5305 Sonoma Brooks Gulch Marsh. Comment
  RSA0034042  Carex obnupta Peter Rubtzoff 1964-5-20 5305 Sonoma Brooks Gulch Marsh. Comment
  SJSU8870  Carex obnupta C. W. Sharsmith 1972-6-24 7804 Sonoma Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol 48 Comment
  UC1100482  Carex obnupta Malcolm A. Nobs and S. Galen Smith 1949-8-1 1111 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  RSA0025195  Carex obnupta Peter Rubtzoff 1958-5-17 3658 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd.) Comment
  RSA0025198  Carex obnupta Peter Rubtzoff 1954-6-19 1494 Sonoma Guerneville Marsh. Comment
  UCD140707  Carex obnupta R. N. Raynor 1942-4-10 s.n. Sonoma 9 miles west of Petalum on road to Tomales. Comment
  CAS-BOT-BC119290  Carex ovalis John Thomas Howell 1947-6-26 23240 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC312676  Carex ovalis Peter Rubtzoff 1955-8-6 2025 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC118939  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  RSA52171  Carex praegracilis J. T. Howell 1947-6-26 23295 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC329279  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC26247  Carex sonomensis John Thomas Howell; J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  UCR248868  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC173805  Carex stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC310296  Carex stipata Peter Rubtzoff 1955-6-4 1904 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC117358  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13021 Sonoma Sebastopol Comment
  CAS-BOT-BC320466  Carex subbracteata Peter Rubtzoff 1962-6-1 4868 Sonoma Freestone Marsh. Comment
  SEINET10847110  Carex subbracteata Lewis S. Rose 1939-5-14 Rose 39116 Sonoma Bodega. Wet fields. 30 Comment
  CAS-BOT-BC115828  Carex subfusca James D. Jokerst 1985-4-26 2274 Sonoma Near Caldwell Ranch, the Geysers Quad. Comment
  CAS-BOT-BC115527  Carex tumulicola A. A. Heller 1902-4-17 5324 Sonoma Santa Rosa Comment
  CAS-BOT-BC329285  Carex tumulicola Peter Rubtzoff 1957-5-26 3368 Sonoma Duncans Mills Marsh. Comment
  RSA52174  Carex tumulicola J. T. Howell 1947-6-5 23239 Sonoma Cunningham Marsh Comment
  UCR248922  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh Comment
  UCR250031  Carex tumulicola Peter Rubtzoff 1957-5-26 3368 Sonoma Duncan Mills Marsh 2 Comment
  UC589968  Carex vesicaria var. major H. S. Yates 1936-5-17 5632 Sonoma 2 mi ne Graton; Sebastopol Quadrangle 30 Comment
  UCD19304  Carpobrotus edulis Terry Reedy 1974-5-11 204 Sonoma Bodega Head, between road and freshwater marsh. 3 Comment
  JEPS23563  Carthamus lanatus Peter H. Raven, R. Snow 1958-7-23 13684 Sonoma 15.5 mi w of Skaggs Springs (near farm above Wolf Creek, along road to Stewarts Point); Wolf Creek, Stewarts Point Comment
  JEPS128272  Castilleja applegatei subsp. martinii Roger Raiche 2000-4-7 019 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS11921  Castilleja attenuata Francis W. Pennell 1940-7-3 26042 Sonoma ne of Kenwood; Hoods Peak 731 Comment
  UC886468  Castilleja densiflora subsp. densiflora Alice Eastwood 1921-4-24 10340 Sonoma Santa Rosa Comment
  CAS-BOT-BC243854  Castilleja latifolia J. Clausen 1935-5-24 1088 Sonoma 5.1 mi. S of Jenner on the Bodega Road Comment
  JEPS10644  Castilleja rubicundula subsp. lithospermoides W. L. Jepson 1921-6-3 9312 Sonoma Cotati Valley 28 Comment
  SEINET7042575  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  CHSC63927  Castilleja subinclusa subsp. franciscana John Hale 1990-4-10 15 Sonoma 305 m. NW of Ocean Cove. 6 Comment
  JEPS35569  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1385 Sonoma s side Russian River (just across bridge on State Highway 1) Comment
  JEPS60453  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6691 Sonoma 0.25 mi from Willow Creek Road junction with Highway 1 (on Willow Creek Road, just s of Russian River) Comment
  POM180613  Castilleja wightii J. T. Howell 1930-6-8 5281 Sonoma 8.5 miles north of Bodega Bay. Comment
  UC190979  Castilleja wightii Katharine Brandegee Jul 1905 Sonoma Bodega Comment
  RSA221718  Castilleja wightii Noel Holmgren, Liew Fah Seong 1969-6-23 3607 Sonoma Calif. 1, 18.6 miles north of Marin County line, by entrance to Shell Beach. Comment
  CAS-BOT-BC47803  Ceanothus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC1614461  Ceanothus Charles M. Belshaw 1936-3-8 1583 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood); Inner North Coast Range Comment
  CAS-BOT-BC83850  Ceanothus confusus D. O. Burge 2007-4-10 833 a Sonoma SE flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek 1000 Comment
  OBI10272  Ceanothus confusus H. E. McMinn 1944-11-5 5449 Sonoma Olive orchard on Rincon Ridge Comment
  UC1281315  Ceanothus confusus H. E. McMinn 1944-11-5 5450 Sonoma Montecito Ave., approaching olive orchard, Rincon Ridge Comment
  UC480609  Ceanothus confusus Carl Meyer 1928-3-3 306 Sonoma Santa Rosa Comment
  UC870631  Ceanothus confusus John Thomas Howell 1937-7-4 13080 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  SEINET12211129  Ceanothus confusus Unknown 1985-1 50178 Sonoma W of Healdsburg, Dry Cr. Valley, N of Dorman Cyn 244 Comment
  UC1281314  Ceanothus confusus Milo S. Baker 1940-1 10173 Sonoma Fitzsimmon's Grade Comment
  UCD112089  Ceanothus cuneatus Frederica Bowcutt 1994-6-25 1911 Sonoma Sugar Loaf 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 miles northwest of Napa. Gray Pine Trail > 0.5 mile north of trailhead on Meadow Trail; east of Sonoma Creek. 445 Comment
  JEPS42081  Ceanothus cuneatus var. cuneatus Marie Chase 1928-3-22 Sonoma Kennwood Comment
  CAS-BOT-BC49698  Ceanothus cuneatus var. ramulosus G. DeNevers 1981-4-1 604 Sonoma E side of road at Mark West Creekand Leslie Creek Comment
  HSC39116  Ceanothus divergens Gary S. Lester 1974-2-9 65 Sonoma Annadel State Park off Lawndale Rd. 488 Comment
  RSA26414  Ceanothus foliosus J. T. Howell 1941-4-5 16174 Sonoma Rincon Ridge Comment
  UCD158718  Ceanothus foliosus James A. Neilson Jr. 1974-7-10 2836 Sonoma Mayacmas Mountains. South of Little Geysers. 792 Comment
  UCD158849  Ceanothus foliosus James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2919 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  LA43583  Ceanothus foliosus Henry Reents; 1936-5-23 sn Sonoma ne of Santa Rosa Comment
  SEINET13945879 Image available Ceanothus foliosus A. E. Wieslander 1938-1 860 Sonoma 3 miles E of Mt. St. Helena, T9N R7W. Alt 1500 ft Comment
  CAS-BOT-BC64419  Ceanothus foliosus subsp. vineatus John Thomas Howell 1941-4-5 16173 Sonoma Raven Ridge. Comment
  CAS-BOT-BC64420  Ceanothus foliosus subsp. vineatus Walter Knight; Irja Knight 1963-11-21 415 Sonoma Vine Hill School Rd. Comment
  CAS-BOT-BC64422  Ceanothus foliosus subsp. vineatus W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School rd., ca. 1/2 mi. e. of Vine Hill Road. Comment
  JEPS25144  Ceanothus foliosus var. foliosus G. Thomas Robbins 1959-5-16 4014 Sonoma Spring Mountain Road, between Calistoga Road and Sonoma-Napa County line Mayacamas Mountains 518 Comment
  CAS-BOT-BC49908  Ceanothus foliosus var. foliosus Michener; Bioletti 1892-5-1 s.n. Sonoma S.L.G. Comment
  UCD112133  Ceanothus foliosus var. vineatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  CAS-BOT-BC49944  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6692 Sonoma Two miles north of Sebastopol Comment
  OBI10514  Ceanothus gloriosus var. exaltatus Milo S. Baker 1924-4-18 86 Sonoma Roadside Ft Bragg to Willits about halfway in a small valley Comment
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Jan 28 2016
  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
  SEINET12210818  Ceanothus gloriosus var. exaltatus W. Knight, Knight, I. 1982-1 4650 Sonoma W of Sebastopol Comment
  JEPS42250  Ceanothus incanus W. L. Jepson 1893-5-5 14031 Sonoma near Mt. St. Helena (Middleton Grade) Comment
  UC1299550  Ceanothus incanus Freed W. Hoffman 1947-6-4 598 Sonoma tributary of East Austin Creek Comment
  UC486493  Ceanothus incanus H. E. and S. T. Parks 1939-5-10 841 Sonoma Knights Valley Comment
  UC73359  Ceanothus incanus Milo S. Baker 1898-6-11 649 Sonoma Little Sulphar Creek Comment
  CAS-BOT-BC50953  Ceanothus integerrimus Brandegee 1890-5-1 22 Sonoma Geysers Comment
  CAS-BOT-BC50601  Ceanothus jepsonii Catherine Best 1981-4-4 s.n. Sonoma Near Occidental on Stoetz Lane Comment
  UCD112063  Ceanothus jepsonii Roger Raiche 1985-4-6 RR 50182 Sonoma Dry Cr area nr Healdsburg, ridge w of Dry Cr Vly, unnamed rd n of Dorman Cyn on ridge. 243 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
  UCD168055  Ceanothus jepsonii James Neilson 1978-6-7 3965 Sonoma Mayacmas Mountains, Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  CAS-BOT-BC51114  Ceanothus jepsonii Mr. S. Evans 1958-5-1 s.n. Sonoma Northern Sonoma Co. near McDonald Comment
  CAS-BOT-BC51876  Ceanothus parryi John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54689 Sonoma Bouverie Audobon Preserve, about 1.5 miles East of Glen Ellen near Stuart Creek 137 Comment
  POM136669  Ceanothus parryi A. A. Heller, H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood. Comment
  RSA25703  Ceanothus parryi Carl B. Wolf 1941-7-17 11020 Sonoma N coast Range, Trinity Mt, 2 miles E of Hwy and12 (Sonoma to Santa Rosa) 457 Comment
  RSA32475  Ceanothus parryi Leo Koch 1939-05 631 Sonoma Campus of Santa Rosa Junior college, from Transplant near Qecidental Comment
  SEINET12210605  Ceanothus parryi W. Knight, Knight, I. 1981-1 3968 Sonoma 2.3 mi up Cavedale Road from junction of State Route #12 Comment
  CAS-BOT-BC53043  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-12 s.n. Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  SDSU10432  Ceanothus sonomensis D. F. Howe 1972-4-28 4812 Sonoma Trinity Rd., Mt Hood Range, Sonoma Range. 396 Comment
  UC1299588  Ceanothus sonomensis Freed W. Hoffman 1947-3-12 754 Sonoma Trinity road, northeast of Kenwood, Napa Range, west slope Comment
  UCD112702  Ceanothus sonomensis Roman Gankin 1966-3-3 690 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  UCD123864  Ceanothus sonomensis D. O. Burge 2007-4-26 895 e Sonoma Mayacamas Mountains, head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles (6.4 km) east of SR 12, 4.90 km 85 deg. (True) ENE of Glen Ellen. This site is the property of residents at 3890 Cavedale Road. 560 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
  CAS-BOT-BC52393  Ceanothus velutinus L. R. Abrams 1920-7-4 7638 Sonoma Seaview Comment
  CAS-BOT-BC52399  Ceanothus velutinus Walter Knight; Irja Knight 1963-12-27 468 Sonoma Summit. Pine Flat Rd. Comment
  SEINET6165161 Image available Ceanothus velutinus Unknown 1981-6-8 s.n. Sonoma Ridge between N and S peaks of Mt. St. Helena 1219 Comment
  CAS-BOT-BC52418  Ceanothus velutinus var. velutinus Fred Klein 1969-9-8 s.n. Sonoma Seaview Road 152 Comment
  CDA19936  Centaurea melitensis McArthur 2002-7-2 PDR P 092644 Sonoma Northern California; Annadel State Park. 0 Comment
  JEPS44124  Centaurea solstitialis W. L. Jepson 1914-9-19 6190 Sonoma Agua Caliente Sonoma Valley, Agua Caliente 25 Comment
  NY444437  Centaurea solstitialis L. Abrams 1916-7-4 5794 Sonoma Road between Petrified Forest and Mark West Comment
  UC34566  Centaurea solstitialis F. T. Bioletti 1891-9-7 Sonoma Shellville Comment
  CAS-BOT-BC277256  Centaurea solstitialis Robert M. King 1980-7-8 8416 Sonoma 5 miles generally Northeast of Santa Rosa Comment
  CAS-BOT-BC288815  Centromadia fitchii Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC279396  Centromadia pungens subsp. pungens James I. McMurphy 1909-8-9 712 Sonoma Summit, hills between Sonoma and Petaluma Comment
  RSA785923  Centromadia pungens subsp. pungens Peter Rubtzoff 1970-5-30 6252 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC251310  Cerastium Peter Rubtzoff 1960-6-5 s.n. Sonoma Laguna de Santa Rosa, northeast of Graton, near Laguna Road Comment
  CAS-BOT-BC251311  Cerastium Peter Rubtzoff 1959-6-20 4155 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC384975  Cerastium arvense Rimo Bacigalupi 1926-5-2 1377 Sonoma Cazadero Comment
  CHSC28850  Cerastium arvense Jane A. Rogers 1979-4-15 10 Sonoma Ca. 100 ft. w of Hwy. 1, ca. 1/4 mi. n of intersection of Hwy. 1 and Bay Flat Rd. in Bodega Bay. 15 Comment
  UC1125792  Cerastium arvense H. S. Yates 1934-4-21 3788 Sonoma near Bodega; Sebastopol Quad. Comment
  UC676724  Cerastium arvense Roxana S. Ferris 1940-3-21 9840 Sonoma ca. 1/2 mi. n. Fort Ross (on State Hwy. #1) Comment
  CAS-BOT-BC388433  Cerastium glomeratum D. E. Breedlove 1980-6-27 44746 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC400226  Ceratophyllum demersum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC400234  Ceratophyllum demersum Peter Rubtzoff 1955-7-30 1997 Sonoma Bennett Mtn. Lake Comment
  POM187556  Cercis occidentalis Jones 1931-7-5 28974 Sonoma The Geysers Comment
  CAS-BOT-BC135414  Cercocarpus betuloides var. betuloides Alice D. Sargent 1922-4-18 s.n. Sonoma Near Montesano, Russian River Comment
  CAS-BOT-BC135422  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13074 Sonoma Near Petrified Forest Comment
  UC72965  Cercocarpus betuloides var. betuloides Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  CAS-BOT-BC279783  Chamaemelum fuscatum John H. Thomas 1966-3-18 11480 Sonoma 2 miles south of Asti as measured along the road along highway 101 Comment
  CAS-BOT-BC178699  Chenopodiaceae Peter Rubtzoff 1976-9-25 8903 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  RSA785152  Chenopodium Peter Rubtzoff 1969-11-2 6209 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  CAS-BOT-BC493398  Chlorogalum pomeridianum G. DeNevers 1981-5-12 1136 Sonoma Carrison Canyon, Pepperwood Ranch 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
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Feb 25 2015
  UC84506  Chorizanthe cuspidata var. villosa Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Pt., Sonoma Co. Comment
  UC849179  Chorizanthe cuspidata var. villosa Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC252849  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1918-5-1 6832 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC173825  Chrysanthemum Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC248858  Chrysolepis P. S. Manos 1989-10-7 907 Sonoma North Coast Range, Mount St. Helena. Trail near the top 900 Comment
  RSA749089  Chrysolepis chrysophylla P. C. Pendse 1979-10-7 s.n. Sonoma Salt Point State Park. Next to ranger station. Among bishop pines, coast redwood, and tan oaks. Comment
  CAS-BOT-BC173837  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC280003  Cirsium douglasii var. douglasii R. F. Hoover 1966-7-17 9914 Sonoma Sausal Creek north of Alexander Valley Comment
  CAS-BOT-BC285705  Cirsium occidentale var. occidentale John Thomas Howell 1930-6-8 5251 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC280362  Cirsium occidentale var. venustum Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC290647  Cirsium occidentale var. venustum Peter Rubtzoff 1955-9-24 2146 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  RSA666353  Cirsium occidentale var. venustum Barbara Ertter, Lincoln Constance 1993-7-10 12100 Sonoma 5 miles beyond pavement on Rockpile Road west of Lake Sonoma (road to Annapolis) Comment
  CAS-BOT-BC280536  Cirsium quercetorum John H. Thomas 1976-6-16 18277 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC280543  Cirsium quercetorum Mrs. H. C. Cantelow 1935-4-28 s.n. Sonoma Unspecified Comment
  UC75938  Cirsium remotifolium var. odontolepis Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC285896  Cirsium vulgare John Thomas Howell 1946-8-17 22865 Sonoma Cunningham Marsh Comment
  UCSB15868  Clarkia amoena Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 0.9 mile northwest of U.S. Highway 101; at Cloverdale 106 Comment
  UC972227  Clarkia amoena Calvin and Phyllis McMillan 1951-5-27 1552 Sonoma nw Cloverdale (on road to Boonville, ca. 1 mi e of Mendocino-Sonoma County line) Comment
  RSA32039  Clarkia amoena subsp. amoena Katherine Brandegee 1905-06 s.n. Sonoma Bodega Bay Comment
  SEINET4143367  Clarkia amoena subsp. amoena K. Brandegee s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC172223  Clarkia concinna Alice Eastwood 1915-6-5 4595 Sonoma Petrified Forest Comment
  CDA11250  Clarkia concinna G. F. Hrusa, H. Townsend 1994-5-29 11873 Sonoma Austin Creek State Recreation Area; Gilliam Creek Canyon immediately downslope of Bullfrog Pond Campground. 0 Comment
  UCD160125  Clarkia concinna James A. Neilson Jr. 1973-6-6 2987 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  CAS-BOT-BC172211  Clarkia concinna A. A. Heller 1938-5-14 15087 Sonoma Slope east of Bodega Bay Comment
  CAS-BOT-BC162510  Clarkia gracilis subsp. gracilis Alice Eastwood; John Thomas Howell 1939-6-11 7416 Sonoma Near Trinity [Triniti] P.O., Hood Mt. Range Comment
  CAS-BOT-BC162511  Clarkia gracilis subsp. gracilis G. DeNevers 1981-5-9 1032 Sonoma Pepperwood Ranch, just above the old Strebel Homestead Comment
  CAS-BOT-BC163147  Clarkia gracilis subsp. sonomensis Marcus E. Jones 1931-7-5 s.n. Sonoma Cloverdale Comment
  JEPS25145  Clarkia gracilis subsp. sonomensis G. Thomas Robbins 1959-5-16 4015 Sonoma Spring Mt. Road Mayacamas Mt. (between Calistoga Road and Sonoma-Napa County line) 487 Comment
  UC107859  Clarkia gracilis subsp. sonomensis Michener and Bioletti 1893-6-10 37 Sonoma Glen Ellen Comment
  RSA32025  Clarkia gracilis subsp. sonomensis A. A. Heller 1941-6-4 16162 Sonoma Several miles east of Santa Rosa on the road to Sonoma Comment
  CAS-BOT-BC439409  Claytonia gypsophiloides R. Bacigalupi 1948-3-6 2855 Sonoma 2 mi. w. of Skaggs Springs Comment
  UC1587551  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4253 Sonoma 3.7 mi nw Hwy. 128 (Cloverdale to Boonedale rd.) jct. with Hwy. 101 (near Cloverdale) Comment
  UC583539  Claytonia gypsophiloides Elmer I. Applegate 1934-3-25 8846 Sonoma Sausal Creek Mayacamas Mountains (w foothills of Mayacamas Mountains) Comment
  CAS-BOT-BC439406  Claytonia gypsophiloides F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  SEINET11935786  Claytonia perfoliata Unknown 1987-1 70028 Sonoma S of mouth of Russian River, Goat Rock State Park, W of Coast Hwy 1, S of main entrance rd into park 9 Comment
  UCD144660  Claytonia perfoliata Rimy Waraich; Patty Togioka, Erik Beever 1993-5-8 228 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 304 Comment
  SEINET12092983  Clematis lasiantha I. Knight, Knight, W.; Edwards, S. Dr 1986-1 5346 Sonoma Along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  RSA12260  Clintonia andrewsiana Carl B. Wolf 1934-6-29 5805 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  UC1032564  Collinsia heterophylla H. S. Yates 1934-4-22 3841 Sonoma 2 mi sw of Mark West 152 Comment
Read comments
Dec 13 2013
  RSA92819  Collinsia heterophylla Peter H. Raven 1950-4-6 1593 Sonoma Vernal Flats, Santa Rosa to Rincon Ridge. 183 Comment
  JEPS34532  Collinsia sparsiflora var. collina Freed W. Hoffman 1950-5-15 3730 Sonoma Pole Mt. near Cazadero; North Coast Ranges, Pole Mt. Comment
  UC885509  Collinsia sparsiflora var. sparsiflora Alice Eastwood May 1918 6818 Sonoma Mount St. Helena Comment
  UC103392  Collinsia sparsiflora var. sparsiflora Michener and Bioletti 1892-5-15 1662 a Sonoma South Los Guilucos Comment
  JEPS117066  Collinsia tinctoria Peter Warner 2007-5-12 85 Sonoma Mayacamas Audubon Sanctuary, Pine Flat Road, E of Geyserville; approx. 1/2 km SE of 7-Up (Rebizzo) Ranch, upslope (east) from road on large volcanic outcropping. 457 Comment
  JEPS46209  Collomia grandiflora Eleanor Armstrong 1932-5-25 476 Sonoma 2 mi n Camp Meeker (towards Monte Rio, dry hillside) 121 Comment
  SJSU6041  Conium maculatum C. W. Sharsmith 1972-6-24 7803 Sonoma 0.5 mi E of Forestville NW of Sebastopol, southern Sonoma County Comment
  UCD126334  Conium maculatum Frederica Bowcutt 1994-6-12 1876 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. Just S of Adobe Canyon Road and kiosk. 396 Comment
  UC23137  Convolvulus arvensis Alice King May 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC286002  Conyza bonariensis Mary P. Wells 1989-8-15 1017 Sonoma In Rincon Valley, Santa Rosa Comment
  SEINET13679568  Cordylanthus pallescens M. J. Williams, Wayne Roderick 1978-7-16 78- 228 -4 Sonoma Near Occidental. Comment
  JEPS25067  Cordylanthus pilosus subsp. pilosus Joseph P. Tracy 1930-9-1 9172 Sonoma Knights Valley Northern Coast Ranges 182 Comment
  RSA114161  Cordylanthus tenuis subsp. brunneus Milo S. Baker 1947-7-15 11866 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  CAS-BOT-BC238233  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1965-6-29 9472 Sonoma North of summit on Harrison Grade road near Occidental Comment
  JEPS79414  Cordylanthus tenuis subsp. capillaris Edward Lee with W. A. Setchell 1936-6-7 2188 Sonoma south ridge fire trail, Bohemian Grove Comment
  RSA537704  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1970-7-25 6834 Sonoma Stoetz Road, west of Harrison Grade, 2.7 miles east of Occidental 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
  CDA39435  Cordyline australis Tony Morosco, Adam Holbrook 2004-1-19 s.n. Sonoma Salt Point State Park, Deadman Gulch. From just north of Hwy 1 roadmarker 43 follow south fork of dirt road due east, in partial forest opening approx. 100 feet above stream. 0 Comment
  CAS-BOT-BC290613  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  CAS-BOT-BC209878  Cornus nuttallii Greg de Nevers 1993-4-27 10414 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC210436  Cornus sericea Peter Rubtzoff 1958-4-26 3589 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC1784134  Coronopus didymus Ethel Crum 1930-1 Sonoma Petaluma Comment
  UC480599  Corylus californica Carl Meyer 1928-3-4 325 Sonoma Sonoma County Comment
  CAS-BOT-BC173671  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4101 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC290300  Cotula coronopifolia Peter Rubtzoff 1951-7-14 451 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UCD130897  Cotula coronopifolia Mary M. Hektner 1976-12-14 275 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC427645  Crassula aquatica Greg de Nevers 1993-5-6 10435 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427654  Crassula aquatica Peter Rubtzoff 1963-6-18 5177 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC368092  Crassula connata Greg de Nevers 1998-5-5 11226 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UCD13110  Crassula connata Eileen F. Chun 1974-5-11 78 Sonoma Sonoma CO. Northside of Bodega Head. Sea level. Comment
  SJSU5983  Crataegus douglasii C. W. Sharsmith 1972-6-24 7796 Sonoma Atascadero Cr Marsh c 1 mi NW of Graton by lower Atascadero Cr, a tributary of Green Valley Cr Comment
Read comments
Dec 20 2006
  UCD126218  Cressa truxillensis Milo S. Baker Fall 1946 11710 Sonoma less than 1 mile north of junction of Black Point Highway and Sears Point cut off. Comment
  UC1299210  Crocanthemum scoparium var. vulgare Freed W. Hoffman 1947-7-30 1412 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Comment
  HSC7976  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  SEINET11686587  Crypsis W. Knight, Knight, I.; Edwards, S. W. 1984-1 5041 Sonoma along Willow Creek between Denman Flat & Corona Road, near Petaluma Comment
  CAS-BOT-BC190102  Crypsis schoenoides Peter Rubtzoff 1960-9-17 4572 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC361330  Crypsis schoenoides Greg de Nevers 1997-7-20 11070 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Double Ponds and Turtle Pond 400 Comment
  UCD60004  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. Comment
  UC79410  Cryptantha flaccida Dr. Edward Palmer Sonoma Sonoma Comment
  UCD158803  Cryptantha hispidula James A. Neilson Jr. 1974-3-16 2868 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UC353795  Cryptantha intermedia Milo S. Baker 1928-6-26 3043 b Sonoma n of Barber Ranch; Hope Valley Comment
  JEPS108593  Cupressus goveniana subsp. pygmaea R. Raiche 1986-11-9 60585 Sonoma Pygmy Forest Trail, Salt Point State Park 182 Comment
  UC66  Cupressus macnabiana W. H. Brewer 1861-11-9 863 Sonoma near the Little Geysers Comment
  NY16705  Cupressus macnabiana C. B. Wolf 1934-10-18 6198 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET11739328  Cupressus macnabiana W. Knight, Knight, I.; Howell, J. T. 1984-1 5077 Sonoma above Hooker Canyon on Cavedale Road 640 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
  CDA11978  Cupressus sargentii G. F. Hrusa, T. D. Wilfred 1995-12-3 12483 Sonoma North Coast Biodiversity Arena; Large grove immediately NW of summit of Chalk Mtn. Foote Ranch, at NW base of Mt. St. Helena. On serpentine, trees appearing at the sharp discontinuity of substrata. 5-10 meters tall. Comment
  RSA178042  Cupressus sargentii Robert F. Thorne 1965-4-19 34281 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCD67619  Cupressus sargentii D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  CAS-BOT-BC85465  Cupressus sargentii Stephen N. Stephenson 1979-8-13 s.n. Sonoma south facing slope of Sonoma Mt.,, adjacent to Sonoma-Napa rd. near county line 700 Comment
  CAS-BOT-BC376333  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  RSA94092  Cuscuta campestris J. T. Howell 1946-8-17 22851 Sonoma The Laguna north of Sebastopol Comment
  CDA41304  Cuscuta howelliana G. F. Hrusa, A. Buckman (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 2 of 3. Comment
  UC1794404  Cuscuta howelliana Nancy Harrison 1979-7-26 2072 Sonoma False Lake Meadow, mid-point of drainage, Annadel State Park Comment
  CAS-BOT-BC182775  Cuscuta pentagona Peter Rubtzoff 1970-9-8 6384 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  JEPS128271  Cymopterus terebinthinus var. californicus Roger Raiche 2000-4-7 020 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC190348  Cynodon dactylon G. DeNevers 1981-6-20 1652 A Sonoma Pepperwood Ranch. In gutter along Franz Valley Road, north side of main hill bottom of Hill. Comment
  UCD60096  Cynodon dactylon var. hirsutissimus W. A. Harvey; Lloyd Harwood 1955-10-6 s. n. Sonoma F. P. Grace Ranch, 3.5 miles southwest of Healdsburg. Comment
  UCD60103  Cynodon dactylon var. villosus Beecher Crampton 1957-5-16 4042 Sonoma 4-5 miles southwest Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  SEINET180832  Cynoglossum grande E. Tucker 1936-4-5 Sonoma Camp Meekee Comment
  UC552760  Cynosurus echinatus Joseph P. Tracy 1935-7-7 14048 Sonoma near the Geysers; near the Geysers 609 Comment
  CAS-BOT-BC190426  Cynosurus echinatus David L. Morgan 1956-5-17 s.n. Sonoma On Burnside Road, 200 yards south of the junction of Barnett Valley Road. Comment
  CAS-BOT-BC114510  Cyperus eragrostis Catherine Best 1983-10-12 901 Sonoma Growing at the edge of the lake on Stoltz Lake ca. 2 mi NE of Occidental. Comment
  CAS-BOT-BC114518  Cyperus eragrostis Walter Knight; Irja Knight 1963-9-29 228 Sonoma In ditch on Lakeville hwy near freeway. Comment
  RSA365071  Cyperus eragrostis Christopher Davidson 1977-6-17 5876 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  UC1100638  Cyperus niger Herbert L. Mason 1946-7-4 12884 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC113815  Cyperus niger Freed W. Hoffman 1943-10-26 s.n. Sonoma Russian River, near Guerneville Comment
  UCD69401  Cyperus niger J. Thoits 1997-10-15 Sonoma Area north of Lakewood Hills, a gated community in Windsor (north of Santa Rosa), approximately 1-2 miles from Hwy 101 on the east side of the freeway. 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-BC113913  Cyperus niger var. capitatus Peter Rubtzoff 1959-8-30 4242 Sonoma Drake's Beach, near Guerneville. Open, wet gravelly margin of Russian River. Comment
  CAS-BOT-BC113900  Cyperus niger var. capitatus Helen D. Geis 1902-8-1 565 Sonoma Cloverdale. Comment
  CAS-BOT-BC133739  Cypripedium californicum A. L. Graff 1928-5-22 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC435191  Cypselea humifusa Peter Rubtzoff 1966-9-25 5827 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC189850  Dactylis glomerata David L. Morgan 1956-5-18 s.n. Sonoma On Highway 12 (State) 5.4 miles south of Santa Rosa City Limits. Comment
  CAS-BOT-BC445559  Damasonium californicum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC176175  Danthonia californica Peter Rubtzoff 1971-6-5 6508 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC192264  Danthonia californica Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6273 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC210056  Danthonia californica Peter Rubtzoff 1959-5-30 4072 Sonoma Freestone Marsh. Comment
  JEPS121156  Danthonia californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18595 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UCD60994  Danthonia californica R. Tofsrud 1947-6-16 36 Sonoma Near Wright School, Hwy. 12 Comment
  CHSC83170  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma 5 miles south of Geyserville. 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
  UCD36533  Danthonia californica var. americana Beecher Crampton 1954-4-26 1789 Sonoma Sonoma County, 9 miles southeast of Geyserville, along Highway 128, 0.5 mile north of Calistoga Road cutoff, on slope facing Alexander Valley. Comment
  UCD60685  Danthonia californica var. americana P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UC1023586  Danthonia californica var. americana Virginia Bufford 1935-5-4 33 Sonoma Country Club Santa Rosa (1st Green) Comment
  UCD34862  Danthonia californica var. americana Beecher Crampton 1964-5-12 6952 Sonoma Sonoma County, 14 miles N.W. of Calistoga on Hwy. 128, jct. with Chalk Hill road. Comment
  POM267996  Danthonia californica var. californica D. D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River, open grassy field 1/2 mi. from ocean 23 Comment
  RSA126595  Danthonia californica var. californica H. S. Yates 1937-5-30 6540 Sonoma 1.5 miles northeast of Graton. 30 Comment
  RSA662528  Datura stramonium J. C. Roos 1948-8-28 3987 Sonoma Healdsburg. Comment
  RSA0016957  Delphinium decorum M. V. Ott 1934-3-31 75 Sonoma Larkspur Hill about 1 mi W of coast. Comment
  UC467770  Delphinium hesperium Milo S. Baker May 1899 Sonoma near Agua Caliente Comment
  CAS-BOT-BC10344  Delphinium hesperium Ella D. Cantelow 1938-5-15 2408 Sonoma About 5 mi. E of Geyserville near foot of grade to The Geysers Comment
  UCSB1971  Delphinium hesperium Dearing, Hugh; Dearing, Margaret 1933-5-14 Sonoma Cloverdale Hopland Grade Comment
  UC1031404  Delphinium hesperium subsp. hesperium C. Epling, L. Stebbins, and H. Lewis 1943-6-17 Sonoma rock outcrops about 2 mi e Bodega Bay Comment
  UC1126021  Delphinium luteum H. S. Yates 1934-4-21 3798 Sonoma near Bodega; Sebastopol Quadrangle Comment
Read comments
Sep 30 2007
  POM299321  Delphinium luteum Lester Rowntree 1932-6-12 s.n. Sonoma Near Bay Comment
  SEINET4445145  Delphinium luteum A. A. Heller, H. E. Brown 1902-1 Sonoma Comment
  SBBG27173  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross Comment
  UC118641  Delphinium nudicaule J. W. Blankinship 1893-4-27 Sonoma Hood Mountain Comment
  CAS-BOT-BC9897  Delphinium nudicaule Doris K. Kildale 1928-4-1 4400 Sonoma Top of grade, just north of Cloverdale, on Redwood Highway Comment
  RSA59832  Delphinium nudicaule J. Ewan 1935-5-12 9234 Sonoma 1/2 mile interiorly from this station, mouth of Salmon Creek, NE shore of Bodega Bay, 1/4 mile from road on N side Comment
  UCSC000275  Delphinium variegatum Beryl O. Schreiber 1936-3-5 2210 Sonoma 2 miles W.N.W. of Mark West Springs Comment
  CAS-BOT-BC7775  Delphinium variegatum F. H. Utech 1986-5-13 86 -107 Sonoma ca 3.9 mi. NE of Cavedale Road from junction with CA Hwy. 12 250 Comment
  RSA26407  Delphinium variegatum J. T. Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  CAS-BOT-BC7765  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1940-4-6 4273 Sonoma South of Shellville Comment
  UCD95184  Dendromecon rigida K. Esau; E. Hyde 1938-5-25 s.n. Sonoma Mt. St. Helena. Comment
  CAS-BOT-BC11002  Dendromecon rigida subsp. rigida J. Clausen 1933-3-25 725 Sonoma About 4 miles east of Warfield along the road to Oakville. On the Youngman Ranch. 213 Comment
  RSA785369  Deschampsia cespitosa Peter Rubtzoff 1976-6-5 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD61380  Deschampsia cespitosa Beecher Crampton 1957-7-22 4383 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UC1100296  Deschampsia cespitosa subsp. cespitosa Herbert L. Mason 1946-7-4 12885 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  UC1131421  Deschampsia cespitosa subsp. cespitosa H. S. Yates 1936-5-16 5605 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  CAS-BOT-BC192607  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1945-5-30 20898 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC192614  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-6-26 s.n. Sonoma Bank above Shell Beach, 1/4 mi. s of Goat Rock, just off State Hiway #1 Comment
  CAS-BOT-BC201642  Deschampsia danthonioides Greg de Nevers 1996-6-5 10827 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC201973  Deschampsia elongata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 15 miles west of Hwy. 101 Comment
  SEINET3927657  Deschampsia holciformis Fred W. Hoffman 1943-5-9 2204 Sonoma Bodega Park, Sonoma Coast.; 0 Comment
  SEINET11671649  Desmazeria rigida Unknown 1940-1 964 Sonoma Wood residence, 349 Second Ave, Santa Rosa Comment
  OBI6278  Dicentra formosa Ann C. Likins 1970-5-16 121 Sonoma Near Russian River, Moscow Rd, Rio Nido 24 Comment
  SEINET238950 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers 12 miles (direct line) east of Colverdale. North slope of well above Geyser Creek. 494 Comment
  SEINET4572213  Dichanthelium acuminatum subsp. thermale B. Crampton 1964-8-18 7139 c Sonoma North Coast Range; The Geysers, 12 mi (in direct line) east of Cloverdale, c. 0.5 mi east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise Thermal Power co. no. 10 494 Comment
  CAS-BOT-BC502207  Dichelostemma capitatum L. R. Abrams 1918-4-27 6908 Sonoma Independence School near Healdsburg Comment
  POM169358  Dichelostemma capitatum subsp. capitatum A. A. Heller, H. E. Brown 1902-3-17 5087 Sonoma Hills 8 miles northeast of Santa Rosa Comment
  UCD139158  Dichelostemma congestum Frederica Bowcutt 1996-5-24 2170 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek and below confluence of Malm Fork. Along Meadow Trail. 381 Comment
  JEPS79159  Dichelostemma multiflorum Nancy Harrison 1980-5-16 2124 Sonoma s of Piner Elementary School; Santa Rosa 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
  RSA39845  Dichondra donelliana Vanderwal 1941-11-6 s.n. Sonoma Frank Silva property, Sebastopal. Comment
  CAS-BOT-BC249262  Digitalis purpurea Peter Rubtzoff 1954-7-4 1534 Sonoma Austin Creek Marsh area. Comment
  CAS-BOT-BC183608  Digitaria Peter Rubtzoff 1965-9-5 5637 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC176364  Digitaria sanguinalis Peter Rubtzoff 1958-8-24 3929 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC209116  Digitaria sanguinalis John Thomas Howell 1957-9-26 32981 Sonoma Sandy Russian River bottom near Guerneville. Comment
  RSA796380  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD64092  Digitaria sanguinalis Virginia Bufford 1935-9-8 82 Sonoma Vine Hill District. Comment
  UCD64005  Digitaria sanguinalis Collector Unknown 1941-11-1 Sonoma Santa Rosa Cr. by old S.P. R.R. Comment
  CAS-BOT-BC151972  Diplacus douglasii D. E. Breedlove 1983-4-11 58688 Sonoma Pepperwood Ranch W of Knights Valley Comment
  SEINET12326112  Dipsacus fullonum W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Road 3 mi from State Rt 12, 300 yards N of summit 152 Comment
  UC72487  Disporum hookeri Milo S. Baker 1898-4-2 Sonoma road between Forestville and Guerneville Comment
  CAS-BOT-BC182753  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC196920  Distichlis spicata David L. Morgan 1956-5-8 s.n. Sonoma 3 miles southeast of Petaluma on Lakeville road Comment
  CDA1349  Dittrichia graveolens S. Ostrom 2006-9-1 PDR# 1328648 Sonoma Windsor; Shiloh Rd. & Business Park Ct. Comment
  UCD118839  Dodecatheon hendersonii Frederica Bowcutt; Kate Mawdsley 1996-3-24 2091 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  RSA247149  Dodecatheon hendersonii Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1006 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  SD88563  Dodecatheon hendersonii Darley F. Howe 1972-2-20 4804 Sonoma Mt. Hood Range Comment
  JEPS14427  Downingia concolor var. concolor E. Ferguson 1920-4 358 Sonoma Windsor Comment
  RSA783712  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA0002274  Downingia cuspidata F. T. Bioletti 1893-6-10 s.n. Sonoma Los Giulucos. Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  LA208036  Drymocallis glandulosa John Thomas Howell; 1930-6-8 5289 Sonoma 8.5 mi. N of Bodega Bay Comment
  CAS-BOT-BC159442  Drymocallis glandulosa var. glandulosa G. DeNevers 1981-5-30 1353 Sonoma On N side of Studio Road at base of hill, near the green Gate - Pepperwood Ranch Comment
  CAS-BOT-BC159447  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1953-5-18 1410 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  UC567171  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3812 Sonoma near Bodega Port; Duncan Mills Quad. 7 Comment
  CAS-BOT-BC71012  Dryopteris arguta John H. Thomas 1976-6-18 18361 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC71017  Dryopteris arguta A. A. Heller 1902-3-18 5095 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC428181  Dudleya cymosa subsp. cymosa C. F. Leitholt 1893-6-1 s.n. Sonoma On the border of Bennett Valley Comment
  CAS-BOT-BC428380  Dudleya farinosa Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  UC933226  Dudleya farinosa Reid Moran June 1949 3185 Sonoma Jenner Comment
  CAS-BOT-BC210132  Echinochloa Peter Rubtzoff 1971-8-31 6663 Sonoma Todd Road near Stony Point Road. Comment
  RSA785441  Echinochloa Peter Rubtzoff 1976-8-29 8836 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  UCD164337  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC208556  Echinochloa crus-galli John Thomas Howell 1957-10-12 32999 Sonoma Ca. 1 mi. SW of Sonoma Comment
  UCD60847  Echinochloa crus-galli Beecher Crampton 1960-11-29 5810 Sonoma 4 miles s.e. of Santa Rosa, Matanzas Creek. Comment
  UCD166224  Echinodorus berteroi Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point. 11 Comment
  UCR74391  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay. Bay Flat Road, near Clark Marsh Comment
  CAS-BOT-BC208542  Ehrharta calycina Nancy Harrison 1977-6-11 1376 Sonoma Salmon Creek Beach Comment
  SEINET11750917  Eleocharis acicularis C. F. Quibell 1976-1 1361 Sonoma N of Railroad Ave, W of US 101, Cristo fence route 30 Comment
  UC1814  Eleocharis macrostachya F. T. Bioletti 1893-6-5 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC112663  Eleocharis parvula Peter Rubtzoff 1973-9-15 7329 Sonoma Lower Salmon Creek Marsh. Just east of Hwy 1. Comment
  CAS-BOT-BC112201  Eleocharis radicans Peter Rubtzoff 1961-10-15 4761 Sonoma Vacation Beach, 2 mi. below Guerneville. West margin of a pool on Russian River bottom. Comment
  CAS-BOT-BC94038  Eleocharis radicans Greg de Nevers 1990-5-15 9667 A Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC112271  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UC682122  Elymus californicus G. L. Stebbins Jr. 1942-5-12 3229 Sonoma 2.5 mi w of Bodega (Bodega Canyon Road); Bodega Canyon Road Comment
  CAS-BOT-BC227149  Elymus elymoides K. Wagnon 1939-5-11 192 Sonoma At entrance of cemetery east of Santa Rosa on Bennet [Bennett] Valley road Comment
  SEINET239008  Elymus glaucus P. G. Connors 1990-5-25 19 Sonoma Bodega Marine Station below BMR 0500N 4100E. Comment
  UCD62314  Elymus glaucus Freed W. Hoffman 1941-6-15 2145 Sonoma Between Fort Ross and Jenner. Comment
  RSA129232  Elymus glaucus H. S. Yates 1937-6-5 6574 Sonoma 3 miles S.S.E. of Wildwood; Santa Rosa 122 Comment
  UC1146609  Elymus glaucus subsp. jepsonii Freed W. Hoffman 1942-6-30 2118 Sonoma Lone Mountain Farm North Coast Ranges (near Guerneville) Comment
  UCD62479  Elymus multisetus P. B. Kennedy 1920-5-29 Sonoma Highway between Hopland and Cloverdale. Comment
  JEPS87224  Emmenanthe penduliflora Jack and Betty Guggolz 1992-5-17 1299 Sonoma On the up side of the Anderson Trail (The west side of the Black Mountain east of Geyserville). 585 Comment
  CAS-BOT-BC166619  Epilobium canum subsp. canum John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  CAS-BOT-BC268058  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-7-20 5923 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC268079  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1967-8-28 5867 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC268062  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1964-8-26 5486 Sonoma Marsh, 5 miles northeast of Pengrove on Lichan Road. 213 Comment
  POM259043  Epilobium ciliatum subsp. watsonii J. T. Howell 1938-7-3 13957 Sonoma Pitkin Marsh. Comment
  SD38384  Epilobium ciliatum subsp. watsonii Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay. Stabilized dunes. Comment
  RSA800038  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5867 Sonoma Lower Salmon Creek Marsh. Comment
  RSA800630  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1676 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC368005  Epilobium densiflorum Greg de Nevers 1989-8-28 9098 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  UC454591  Epilobium densiflorum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCD160837  Epilobium densiflorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3437 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCD166183  Epilobium densiflorum Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove on Lichan Road. 426 Comment
  UCD148363  Epilobium densiflorum Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC262798  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  JEPS128204  Epilobium minutum Roger Raiche 2000-4-30 052 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA458715  Epilobium minutum Christopher Davidson 1977-6-20 6040 Sonoma Ca 30 miles W of Geyserville on Stewart s Point-Skaggs Springs Rd. Or 5 miles E of jct of latter with road N to Annapolis. Gravel bar and gravel bank just above it on Wheatfield Fork of Gualala River. 76 Comment
  CAS-BOT-BC173545  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57043  Equisetum arvense Peter Rubtzoff 1951-6-30 300 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC57211  Equisetum hyemale subsp. affine John Thomas Howell 1931-9-26 8088 Sonoma Creek bottom at Northwood near Monte Rio on the Russian River Comment
  UC810320  Equisetum laevigatum K. Wagnon 1940-3-29 237 Sonoma nw corner Santa Rosa Jr. College Campus (along Eliot Ave.) Comment
  CAS-BOT-BC57815  Equisetum laevigatum Mary P. Wells 1984-7-20 389 Sonoma E. bank of s. fork of Gualala River, The Sea Ranch. Comment
  RSA784474  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  RSA784475  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  CAS-BOT-BC57645  Equisetum telmateia Peter Rubtzoff 1955-4-9 1769 Sonoma Forestville Marsh Comment
  CDA11332  Equisetum telmateia subsp. braunii G. F. Hrusa 1995-4-2 12042 Sonoma North Coast Biodiversity Arena; Franz Valley Rd. approx 3 m. W of Knights Valley intersection with Hwy. 128. Comment
  UC750802  Equisetum telmateia subsp. braunii Charles B. Heiser Jr. 1946-4-14 1729 Sonoma 3 mi w Duncan Mills (banks of Russian River) Comment
  UCR248774  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  UCR248775  Eragrostis Peter Rubtzoff 1965-8-16 5599 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  UCD63379  Eragrostis hypnoides Freed W. Hoffman 1942-9-30 2164 Sonoma Along Russian River. Comment
  CAS-BOT-BC284186  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1963-9-28 5278 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg, Russian River Comment
  CAS-BOT-BC291253  Erechtites minimus John H. Thomas 1976-6-17 18351 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Comment
  UC1563681  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  CAS-BOT-BC131609  Ericameria arborescens Walter Knight; Irja Knight 1963-9-1 133 Sonoma Harold Smith Ranch on Pine Mt. Rd NE of Cloverdale Comment
  SD40110  Ericameria ericoides subsp. ericoides Edith A. Purer 1932-7-19 Sonoma Bodega Bay Comment
  UC909710  Erigeron biolettii Milo S. Baker 1950-8-1 12309 Sonoma near Kenwood (at summit above Coleman's Ranch); Hope Val Comment
  CAS-BOT-BC295127  Erigeron glaucus Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  CHSC319  Erigeron glaucus A. Small 1954-6-4 Sonoma Doran Park. 15 Comment
  RSA696822  Erigeron glaucus J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay region Comment
  CAS-BOT-BC300250  Erigeron reductus var. angustatus Herbert L. Mason; Verne Grant 1946-7-5 12898 Sonoma Two miles east of Occidental Comment
  UCD132075  Erigeron sumatrensis G. F. Hrusa 1996-3-29 12737 Sonoma area at end of Neeley Road. 2 m. south of Guerneville and 3 m. north of Bohemian Grove on Russian River. 140 Comment
  CAS-BOT-BC300304  Erigeron supplex Mary P. Wells 1984-6-8 338 Sonoma Site of North Fire station area. Near Milepost 55.44 on Hwy. 1. The Sea Ranch Comment
  CAS-BOT-BC224150  Eriodictyon californicum Roxana S. Ferris; Laura Lorraine 1961-6-15 13555 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road Comment
  CAS-BOT-BC224158  Eriodictyon californicum F. H. Utech; Walter Knight; Irja Knight 1984-4-16 84 -075 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale from junction with CA hwy 12; ca 0.4 mi N on Cavedale Road from junction 106 Comment
  UC1299125  Eriodictyon californicum Freed W. Hoffman 1947-5-30 524 Sonoma Layton Mine, East Austin Creek East Austin Creek; Layton Mine, East Austin Creek Comment
  RSA29503  Eriogonum latifolium E. K. Balls, Percy C. Everett 1953-10-9 18598 Sonoma 0.5 mi. n.w. of Salmon Creek, Hwy 1, between Bodega Bay and Jenner. Comment
  CAS-BOT-BC259484  Eriogonum luteolum John Thomas Howell 1931-9-26 8091 Sonoma 2 miles from Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC259466  Eriogonum luteolum R. D. Stone 1983-6-14 539 Sonoma Headwaters of Squaw Cr. drainage, S-facing slope ca. 1.2 mi. NW of Geyser Rock 1005 Comment
  CAS-BOT-BC259477  Eriogonum luteolum Helen D. Geis 1902-1-1 570 Sonoma Cloverdale Comment
  JEPS56644  Eriogonum nudum var. auriculatum W. L. Jepson 1936-8-20 17964 Sonoma nw, between Macdonald road station and Alder Springs Cloverdale Comment
  RSA221  Eriogonum nudum var. auriculatum E. R. Johnson 1928-8-22 1112 Sonoma Cloverdale Comment
  CAS-BOT-BC261693  Eriogonum nudum var. nudum G. DeNevers 1981-6-27 1713 Sonoma Pepperwood Ranch. Road cut at summit of Franz Valley Road Comment
  UCD160124  Eriogonum vimineum James A. Neilson Jr. 1974-6-1 2757 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation and coordinates estimated by label maker.) 1082 Comment
  CAS-BOT-BC262334  Eriogonum vimineum R. D. Stone; G. Clifton 1983-6-16 552 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  CAS-BOT-BC301155  Eriophyllum lanatum var. achilleoides Alice Eastwood 1915-6-5 4561 Sonoma Petrified Forest Comment
  JEPS19377  Eriophyllum lanatum var. arachnoideum G. Thomas Robbins 1937-6-6 235 Sonoma along roadside near Bodega Bay Comment
  UC893781  Eriophyllum lanatum var. arachnoideum Marcus E. Jones, A. M. 1882-7-17 2733 Sonoma Duncans Mills Comment
  UCD132259  Eriophyllum staechadifolium Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 36 A Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. 0 Comment
  UC472267  Eriophyllum staechadifolium Miss C. M. Hoak 1912-8-1 Sonoma Comment
  UCD103021  Erodium botrys Frederica Bowcutt; Kate Mawdsley 1996-3-24 2071 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  UCD160896  Erodium cicutarium James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3420 Sonoma Mayacmas Mountains, Caldwell Pines area, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC1487264  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 504 Sonoma n.w. Cotati (along Todd Rd.) Comment
  UC1487265  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 501 Sonoma on Bennett Valley Rd. 4.5 mi. w. Glen Ellen Comment
  RSA93411  Eryngium aristulatum var. aristulatum Milo S. Baker 1954-8-12 13036 Sonoma Coney Lake Kenwood on Coney Ranch Comment
  SD56682  Eryngium armatum Darley F. Howe 1963-7-3 3584 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
  UCD38723  Eryngium armatum Beecher Crampton 1957-7-11 4324 Sonoma Sonoma Coast State Park. 0.8 miles north of Salmon Creek. Comment
  UCD136329  Erysimum capitatum var. capitatum M. Rei Scampavia Evangelista 2012-5-20 11 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  SEINET12044880  Erythronium helenae E. I. Applegate 1934-1 8855 Sonoma headwaters of Sulpher Creek, opposite Old Sonoma quicksiver mine 610 Comment
  UC1126388  Eschscholzia caespitosa E. Armstrong 1934-3-26 922 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle 91 Comment
  SEINET6911603  Eschscholzia caespitosa W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy grassland about 7.8 miles south-southeast of Annapolis; northwest Sonoma county. Comment
  CAS-BOT-BC403697  Eschscholzia californica F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  SEINET12193812  Eucalyptus camaldulensis W. Knight, Knight, I.; Howell, J. T. 1984-1 5072 Sonoma intersection Petaluma Ave & Arnold Dr., El Verano Comment
  JEPS9602  Euonymus occidentalis var. occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 249 Sonoma between Guerneville and Monte Rio (Russian R.); Russian R. Comment
  UC869900  Euonymus occidentalis var. occidentalis K. Wagnon May 1939 220 Sonoma 5 mi. w. of Sebastopol (1/8 mi. n.e. of Wagnon Ranch, along Jonive Creek) Comment
  CAS-BOT-BC202537  Euphorbia Peter Rubtzoff 1986-9-28 9748 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  RSA0002811  Euphorbia A. A. Heller 1902-7-2 5802 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  UCD142421  Euphorbia lathyris C. B. Heiser; D. Heiser 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  SEINET9325144  Euphorbia peplus John Nelson, Wnek, R. 2000-3-8 20951 Sonoma Near Safeway Grocery, S side of Main St/River Rd (=Hwy 116) in downtown Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  UC353899  Euphorbia spathulata Milo S. Baker 1927-5-7 2120 a Sonoma slope opposite House-Maple Glen Comment
  CAS-BOT-BC239721  Fabaceae Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 mile north of Cazadero Comment
  CAS-BOT-BC368075  Festuca Greg de Nevers 1998-6-10 11276 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. 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
  UCR248729  Festuca arundinacea Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UC1011030  Festuca californica Virginia Bufford 1936-5-20 335 Sonoma 5 mi from Kellogg (Kellogg-Mark West Rd) Comment
  JEPS128349  Festuca myuros Roger Raiche 2000-4-8 030 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  UCD66117  Festuca occidentalis Beecher Crampton 1955-6-17 2964 Sonoma 2 miles east of Fort Ross. Comment
  UCD66126  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart point - Annapolis road. Comment
  OBI35900  Festuca perennis David J. Keil 1983-6-30 17214 Sonoma Stillwater Cove Regional Park Comment
  UC576342  Festuca roemeri H. S. Yates 1937-5-31 6558 Sonoma near Alpine School; Calistoga Quad. 304 Comment
  JEPS41089  Festuca rubra Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9113 Sonoma between 1 and 1.25 mi due w Napa County line (along the Franz Valley School road) 219 Comment
  UCD66328  Festuca rubra P. B. Kennedy 1918-5-28 Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  UCD66373  Festuca rubra Freed W. Hoffman 1944-7-1 1971 Sonoma Bodega Bay. Comment
  UC1153832  Festuca subuliflora Beecher Crampton 1955-6-15 2961 Sonoma 2 mi e Fort Ross Comment
  CAS-BOT-BC354068  Filago Peter Rubtzoff 1958-8-30 3943 Sonoma Vacation Beach, near Guerneville. Comment
  UCD126866  Foeniculum vulgare Frederica Bowcutt 1996-5-19 2129 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, about 1/8 air mile NE of Red Mtn. 701 Comment
  CAS-BOT-BC455955  Fragaria chiloensis Walter Knight; Irja Knight 1964-2-18 567 Sonoma Hiway #1, Rocky Point. Coastal bluff. Comment
  CAS-BOT-BC53268  Frangula californica subsp. californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  UCD112779  Frangula californica subsp. tomentella G. F. Hrusa; T. D. Wilfred 1995-12-3 12485 Sonoma W-facing slope of main ridge running SW from Chalk Mountain. Foote Ranch property, NW base of Mt. St. Helena. 450 Comment
  UCD112792  Frangula californica subsp. tomentella Roger Raiche 1985-11-29 RR 50900 Sonoma northeast end of town of Healdsburg on Reservoir Hill. 121 Comment
  UCD122047  Fraxinus latifolia Frederica Bowcutt 1994-5-1 1777 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon S of Sonoma Creek bout 150 yards, 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC212967  Fremontodendron californicum C. Hart Merriam 1919-7-3 s.n. Sonoma North base of Mt. St. Helena Comment
  UC1084349  Fritillaria affinis G. Thomas Robbins 1937-3-25 4 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  UCD168039  Fritillaria affinis James A. Neilson Jr. 1981-3-13 3992 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  UC197239  Fritillaria recurva Michener and Bioletti April 1892 Sonoma Hoods Peak Comment
  RSA304275  Fritillaria recurva James R. Shevock 1972-3-28 1485 Sonoma Highway 128, north of Cloverdale 91 Comment
  RSA264746  Galium aparine Peter Rubtzoff 1959-5-30 4068 Sonoma Freestone Marsh. Comment
  UCD67958  Galium aparine Wesley Ebert 1977-4-9 17 Sonoma Penngrove, 6000 Soldiers Ln. on the W. side of Sonoma Mt. on E. facing slope. Heavily shaded by Umbellularia californica and Quercus agrifolia. Growing in rich moist humus. Plant with sticky texture on stems and leaves due to hairs. White flowers. 457 Comment
  LA208415  Galium californicum John Thomas Howell; 1930-6-8 5246 Sonoma 1 mi east of Bodega Bay Comment
  HSC19831  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma Behind Fountaingrove Vineyard, 3 mi. N of Santa Rosa along Hwy. 101 Comment
  UC963917  Galium divaricatum Milo S. Baker 1947-5-12 11768 Sonoma along horse trail from Gray Ranch (sw slope of mt.); Hood Mt. 441 Comment
  CHSC30057  Galium porrigens var. tenue Terrence Finn 1980-3-15 16 Sonoma Plant found just under Buzzard Rock. 85 Comment
  RSA264733  Galium trifidum Peter Rubtzoff 1962-10-9 5108 Sonoma Brooks Gulch Marsh. Comment
  HSC83435  Gamochaeta ustulata Mary M. Hektner, Cathy Hendel, , Susan Dakuzaku 1974-6-27 78 Sonoma Unit 28 Owners' Map, Sea Ranch near State Hwy. 1 Comment
  UCD165160  Gamochaeta ustulata Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  UCR279618  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh 305 Comment
  CAS-BOT-BC303499  Gamochaeta ustulata John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC303502  Gamochaeta ustulata Peter Rubtzoff 1951-6-30 303 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC182160  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley near Chamberlain Place, Kenwood Region Comment
  CAS-BOT-BC182161  Garrya fremontii Walter Knight; Irja Knight 1963-12-27 465 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC58942  Gaultheria shallon Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  UCSB4791  Gaultheria shallon Keator, Glenn 1959-4-1 Sonoma 1.5 miles north of Fort Ross Monument on Highway 1 Comment
  UCSB31797  Genista monspessulana Townsend, J. 1977-5-29 Sonoma West side Russian River; about 1 mile south of Gurneyville Comment
  SD88311  Geranium core-core Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  UC424819  Geranium dissectum Milo S. Baker 1930-4-15 3951 Sonoma Mouth of Salmon Creek Comment
  UCD15830  Geranium molle J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  UCR222354  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp, E. A. Helmkamp 2010-6-4 16230 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  SEINET7067224  Gilia capitata A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road. Coordinate datum: NAD27. Comment
  UCD117691  Gilia capitata subsp. capitata Frederica Bowcutt 1994-6-12 1864 Sonoma 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, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC225278  Gilia capitata subsp. chamissonis Peter Rubtzoff 1955-8-20 2071 Sonoma Bodega Harbor Marsh Comment
  UC931985  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8596 Sonoma on Sebastopol - Bodega Bay road 2.6 mi e Bodega; e of Bodega on Sebastopol - Bodega Bay road Comment
  UC750799  Gilia millefoliata Charles B. Heiser Jr. with J. Davidson 1946-4-14 1734 Sonoma in depression on head Bodega Head Comment
  SEINET10906071  Githopsis specularioides Frederic T. Bioletti 1892-5-15 Bioletti s.n. Sonoma Comment
  CAS-BOT-BC303752  Glebionis segetum John Thomas Howell 1930-6-8 5231 Sonoma Bodega Rd 4 miles E of Valley Ford Comment
  SD88302  Glebionis segetum Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  SD99432  Glinus lotoides Peter Rubtzoff 1969-8-24 6146 Sonoma Pond on River Road, 3.0 miles west of Fulton. Comment
  CAS-BOT-BC227652  Glyceria Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh. Comment
  RSA786497  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  UCD166292  Glyceria declinata Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  CAS-BOT-BC282730  Glyceria elata Peter Rubtzoff 1960-6-11 4500 Sonoma Laguna de Santa Rosa area east of Graton between Occidental and Guerneville Roads Comment
  UC1026485  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma near Forestville (Pitkin Marsh, s of the Upper Marsh); Pitkin Marsh Comment
  UCD165254  Glyceria elata Peter Rubtzoff; Nancy Harrison 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC282811  Glyceria leptostachya Peter Rubtzoff 1954-6-6 1459 Sonoma Guarneville Marsh Comment
  RSA786603  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh. Comment
  SJSU6044  Glyceria occidentalis C. W. Sharsmith 1972-6-24 7800 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  UCR244673  Glyceria occidentalis Peter Rubtzoff 1968-8-24 5935 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC166749  Gnaphalium chilense Peter Rubtzoff 1959-9-19 4276 Sonoma Vacation Beach, near Guerneville at Russian River. Comment
  CAS-BOT-BC166906  Gnaphalium chilense Peter Rubtzoff 1962-10-23 5125 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC166761  Gnaphalium palustre Peter Rubtzoff 1976-10-16 s.n. Sonoma Russian River Beach at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD131650  Gnaphalium palustre Frederica Bowcutt 1984-6-23 442 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. North of Gerstle Cove CA. 1/2 mile. 15 Comment
  UCD148328  Gnaphalium palustre Peter Rubtzoff 1954-7-3 1515 Sonoma Vacation Beach, near Guerneville. Comment
  NY232197  Godetia amoena var. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma One-half mile east of Glen Ellen. 30 Comment
  CAS-BOT-BC251252  Gratiola Peter Rubtzoff 1972-5-25 6756 Sonoma Laguna, Chileno Valley. Comment
  RSA800602  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC251303  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC305180  Grindelia hirsutula J. T. Howell 1930-6-8 5223 Sonoma 8 mi. west of Petaluma Comment
  CAS-BOT-BC305188  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point road Comment
  CDA15994  Grindelia hirsutula G. F. Hrusa, M. Gillogly 2000-7-26 15674 Sonoma North Coast Biodiversity Arena; Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Comment
  UC32138  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  UCSB50242  Grindelia hirsutula Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11N 15 Comment
  CAS-BOT-BC123707  Grindelia hirsutula var. hirsutula John Thomas Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  CDA6169  Grindelia stricta T. Dowd, M. Smith 1979-6-2 Sonoma Dutcher Creek Road south of Cloverdale, west of Russian River. 0 Comment
  SD39802  Grindelia stricta var. platyphylla Edith A. Purer 1932-7-21 4041 Sonoma Bodega Bay Comment
  UC74946  Guillenia lasiophylla unknown 1903-4-20 2629 Sonoma Mt. Helena Comment
  CAS-BOT-BC302251  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Sprs. 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-BC306765  Helenium bigelovii Milo S. Baker 1927-6-9 2217 b Sonoma About Kenwood Comment
  CAS-BOT-BC262989  Helenium puberulum Peter Rubtzoff 1970-9-3 6372 Sonoma Marsh, off west side of Highway 1, 0.7 miles southeast of Salmon Creek Crossing. Comment
  CAS-BOT-BC309582  Helenium puberulum Peter Rubtzoff 1951-11-24 833 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  RSA800284  Helenium puberulum Peter Rubtzoff 1970-9-3 6372 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA800285  Helenium puberulum Peter Rubtzoff 1970-9-3 6373 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UC479400  Helenium puberulum Marcus E. Jones, A. M. 1931-7-5 29104 Sonoma The Geysers Comment
  CAS-BOT-BC309587  Helenium puberulum A. A. Heller 1902-7-1 5795 Sonoma At Sebastopol Comment
  RSA800484  Helenium puberulum Peter Rubtzoff 1955-8-13 2043 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  UCD132752  Helenium puberulum Mary M. Hektner 1975-8-14 225 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA36608  Helianthemum scoparium T. C. Fuller 1958-5-24 3999 Sonoma Vinehill District. 0 Comment
  HSC87844  Heliotropium curassavicum var. oculatum Clare R. Wheeler 1982-8-27 3278 Sonoma Wheatfield Fork of the S Fork Gualala River, ca. 1.5 mi. upriver from Twin Bridges (Annapolis Rd.) 15 Comment
  CAS-BOT-BC305971  Helminthotheca echioides Walter Knight; Irja Knight No date on label 120 Sonoma Blue Bell Lane, Coddingtown Comment
  UCD132957  Helminthotheca echioides J. D. Skoss 1948-7-25 43 Sonoma Shellville. Comment
  CAS-BOT-BC262975  Hemizonia Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  RSA800071  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  UCD166096  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC306156  Hemizonia congesta subsp. clevelandii James I. McMurphy 1917-9-15 s.n. Sonoma Litton station, between Healdsburg and Cloverdale Comment
  CAS-BOT-BC306230  Hemizonia congesta subsp. congesta H. M. Hall 1916-6-23 10241 Sonoma Twelve km. northwest of Petaluma Comment
  CAS-BOT-BC306245  Hemizonia congesta subsp. congesta James I. McMurphy 1909-5-28 s.n. Sonoma 2 miles south of Fulton Comment
  CAS-BOT-BC306238  Hemizonia congesta subsp. congesta J. McMurphy 1909-5-30 s.n. Sonoma Between Windsor & Healdsburg Comment
  SD53369  Hemizonia congesta subsp. congesta Darley F. Howe 1962-7-28 3358 Sonoma 6.3 miles east of Marin -Sonoma County line of Highway 37. Comment
Read comments
Sep 10 2008
  UCSB15710  Hemizonia congesta subsp. congesta Breedlove, Dennis 1961-12-31 Sonoma 2.3 miles south of Russian River on State Highway 1 30 Comment
  JEPS119475  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges: eastern Petaluma Valley, Manor Lane, 0.5 mi north of intersection with Old Adobe Road. Comment
  RSA794576  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma eastern Petaluma Valley, Manor Lane, 0.5 mi. north of intersection with Old Adobe Rd. 75 Comment
  UC483683  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi e Occidental Comment
  UC990620  Hemizonia congesta subsp. lutescens James I McMurphy 1909-8-9 710 Sonoma Hills between Sonoma and Petaluma Comment
  CAS-BOT-BC309667  Hemizonia congesta subsp. lutescens J. McMurphy 1909-7-10 504 Sonoma 4 miles north of Cloverdale Comment
  CAS-BOT-BC309676  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -C Sonoma About a mile west of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309694  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 -B Sonoma 4-1/2 mi. S of Santa Rosa Comment
  CAS-BOT-BC309730  Hemizonia congesta subsp. lutescens Milo S. Baker 1930-6-6 4158 a Sonoma Along Southern road from Sebastopol to Occidental Comment
  JEPS41000  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 mi ne Penngrove 426 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
  UCD133003  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles northeast of Penngrove. 426 Comment
  UCD55333  Hemizonia congesta subsp. luzulifolia Ellen Dean 2006-6-28 3177 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC309953  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 705 Sonoma Kenwood Comment
  CAS-BOT-BC309964  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  SEINET11841731  Hemizonia luzulifolia W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4755 Sonoma The Cedars, near Cazadero on Twitchell Ranch 229 Comment
  UC31907  Hesperevax sparsiflora var. sparsiflora Alice King 1897-6-1 Sonoma Healdsburg Comment
  OBI70563  Hesperocyparis macnabiana D. G. Kelch 2007-5-13 7 .284 Sonoma Cavedale Rd 518 Comment
  JEPS128297  Hesperolinon micranthum Roger Raiche 2010-6-16 023 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS18146  Hesperolinon micranthum Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5669 Sonoma vicinity of The Cedars (near Layton Chromite Mine); headwaters of Big Austin Creek 266 Comment
  UC1212403  Hesperolinon spergulinum Freed Hoffman 1947-5-30 552 Sonoma Layton Mine, headwaters Main Austin Creek Inner North Coast Ranges, Austin Creek Comment
  UC73445  Hesperolinon spergulinum Milo S. Baker 1904-6-19 Sonoma above Maple Glen; Sonoma Creek Canyon Comment
  UCD110530  Hesperolinon spergulinum Frederica Bowcutt 1994-6-25 1910 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. Gray Pine Trail > 1/2 mile N of trailhead on Meadow Trail; E of Sonoma Creek. 445 Comment
  UCSB11578  Hesperolinon spergulinum Dearing, Hugh; Dearing, Margaret 1939-5-15 Sonoma Italian Swiss Colony Comment
  UCD113310  Heteromeles arbutifolia Jennifer Bury; Peggy Herzog 1993-5-8 257 Sonoma About air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. On south-facing rocky slope, 25 feet above parking lot, just off of Lower Bald Mountain Trail. 379 Comment
  RSA0045175  Heterotheca oregona Greg de Nevers 1996-10-20 10890 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. 91 Comment
  CAS-BOT-BC311074  Heterotheca oregona var. rudis Walter Knight; Irja Knight 1963-9-1 308 Sonoma 1 mi from US 101 on Sulphur Creek Rd - Cloverdale Comment
  CAS-BOT-BC311161  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1930-7-13 5342 Sonoma Black Point Road Comment
  UC570889  Heuchera micrantha var. erubescens H. L. Mason June 1930 5665 Sonoma mouth of Gualala River Comment
  CAS-BOT-BC424436  Heuchera pilosissima H. D. Ripley; R. C. Barneby 1945-6-22 6946 Sonoma Wright's Beach 50 Comment
  CAS-BOT-BC319708  Hieracium albiflorum Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CDA30998  Hoita macrostachya D. G. Kelch, Troy McGregor 2010-8-22 10 .351 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  SEINET4461157 Image available Hoita villosa A. A. Heller 1902-1 5761 Sonoma Comment
  CAS-BOT-BC280798  Holcus lanatus John H. Thomas 1976-6-16 18342 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC280803  Holcus lanatus Marcus E. Jones 1882-7-18 3546 Sonoma Duncan's Mills Comment
  JEPS71229  Holcus lanatus Virginia Bufford 1932-8-27 504 Sonoma near Occidental; near Occidental Comment
  OBI35876  Holcus lanatus David J. Keil 1983-6-29 17202 Sonoma Ca. 10 mi SE of Ft Ross along hwy 1 Comment
  POM114472  Holcus lanatus Marcus E. Jones 1882-7-18 3546 Sonoma Duncan's Mills. Comment
  RSA144370  Holcus lanatus Roxana S. Ferris, Laura Lorraine 1961-6-14 13543 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UC573681  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 mi se Forestville (<Pitkin Marsh>); Sebastopol Quad. Comment
  UCD81355  Holcus lanatus Frederica Bowcutt 1994-6-12 1852 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 along Pony Gate Trail along east west trending stretch before entering oak woodland, out of view of kiosk and campground. 420 Comment
  CAS-BOT-BC280790  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Near Santa Rosa Comment
  SEINET10960739  Holcus lanatus A. Arthur Heller 1902-6-7 Heller 5651 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  UC75509  Holodiscus discolor Milo S. Baker 1898-6-11 677 Sonoma Geyser Canyon Comment
  CAS-BOT-BC315812  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  RSA783726  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  UCD85403  Hordeum brachyantherum Hursh 1919-5-13 X 3244 Sonoma Santa Rosa. Comment
  UCD85485  Hordeum brachyantherum Collector unknown 1941-3-1 s.n. Sonoma Santa Rosa Junior College. Comment
  CAS-BOT-BC289294  Hordeum brachyantherum subsp. brachyantherum G. DeNevers 1981-5-12 1139 Sonoma At the Red Corral, old McCann Homestead, Pepperwood Ranch Comment
  JEPS75074  Hordeum brachyantherum subsp. brachyantherum Edward Lee 1934-4-30 743 Sonoma 1 mi w 2 Rock junction Comment
  UCD37350  Hordeum brachyantherum subsp. californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile E of Occidental. Comment
  CAS-BOT-BC285193  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1955-5-21 1865 Sonoma Forestville Marsh Comment
  RSA785737  Hordeum marinum subsp. gussoneanum Carrie A. Herd 1982-5-15 114 Sonoma Rohnert Park Comment
  UCD86247  Hordeum murinum subsp. leporinum Gerry North 1993-4 2 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 Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  POM35453  Horkelia californica A. A. Heller 1902-6-27 5783 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC536156  Horkelia californica P. A. Munz 1936-8-7 14309 Sonoma Six miles north of Bodega Comment
  JEPS86813  Horkelia tenuiloba Jack and Betty Guggolz 1991-5-4 1126 Sonoma one mi w Dry Creek Road (firebreak on the south side of Bradford Mountain); Bradford Mountain 341 Comment
  UCD106019  Hosackia gracilis Freed W. Hoffman 1947-4-22 626 Sonoma Roadside between Sebastopol and Petaluma. Comment
  CAS-BOT-BC400995  Hypericum anagalloides Peter Rubtzoff 1951-7-1 329 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UC1122088  Hypericum anagalloides H. S. Yates 1936-5-16 5588 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  UCSB4120  Hypericum anagalloides Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; NW of Sebastopol; 1 mi north of Sousa Corners 60 Comment
  CDA31270  Hypericum concinnum D. G. Kelch, Ed Biffin 2010-5-3 10 .191 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS128179  Hypericum concinnum Roger Raiche 2001-5-17 022 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  SBBG4757  Hypericum concinnum H. and M. Dearing 1939-5-14 3345 Sonoma near Healdsburg Comment
  CAS-BOT-BC401293  Hypericum perforatum D. E. Breedlove 1962-6-6 2898 Sonoma Along State Highway 128, 1.5 miles northwest of U. S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC210083  Hypochaeris glabra Peter Rubtzoff 1974-5-18 7437 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC316715  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  RSA0065196  Ipomoea mutabilis Greg de Nevers 1996-11-10 10893 Sonoma Santa Rosa, Sonoma Avenue. 31 Comment
  UCR56082  Iris douglasiana Fran Sibel 1965-5-28 328 Sonoma North Coast, along Gualala River off Hwy 1 and east toward Anapolis 152 Comment
  SEINET3875273  Iris douglasiana James Faro 1962-4-14 20 Sonoma Salt Point Ranch, about 5 miles North of Fort Ross on Highway 1.; 0 Comment
  UCD138706  Iris douglasiana Charles B. Heiser Jr. 1946-4-13 1721 Sonoma between Jenner and Duncan's Mills. Comment
  UCD160311  Iris fernaldii James A. Neilson Jr. 1975-5-23 3211 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET12048683  Iris fernaldii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -106 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.6 mi N of Cavedale Rd from jct 457 Comment
  UC905118  Iris fernaldii Milo S. Baker 1947-4-22 11702 Sonoma n of Kenwood (Gray Ranch, above ranch buildings) Comment
  RSA178012  Iris macrosiphon Robert F. Thorne 1965-4-19 34291 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  SD56796  Iris macrosiphon Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  SEINET3876028  Iris macrosiphon James L. Reveal 1988-6-1 6975 Sonoma Along Geysers Road, 13.2 miles north of California Highway 128 and 14.8 miles east of US highway 101, 0.8 mile South of the turnoff to Geyers Resort, about 16.5 miles east of Cloverdale.; 0 640 Comment
  UCR244748  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  RSA784488  Isoetes Peter Rubtzoff 1969-5-24 6058 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  UCD150855  Isoetes howellii Ayzik Solomescsh 2009-5-14 s.n. Sonoma Sonoma County, 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated in Google Earth by label maker. 22 Comment
  CAS-BOT-BC61923  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  UC604130  Isoetes nuttallii Leo Koch 1938-4-1 61 Sonoma near Kenwood (small gulch off Adobe Canyon) Comment
  CAS-BOT-BC112411  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC112570  Isolepis cernua Peter Rubtzoff 1955-7-31 2015 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC112578  Isolepis cernua Catherine Best 1985-5-15 1087 Sonoma Duncan Mills Comment
  UCSB26159  Isolepis cernua Beetle, Alan 1941-7-8 Sonoma Coastal bluffs; 5 miles north of Steward Point Comment
  SEINET4170787 Image available Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Just north of Salmon Creek Comment
  UCD110264  Juglans hindsii Botany 102 students 1993-4-24 81 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 NW of Napa. S of Sonoma Creek near beginning of Hillside Trail. 381 Comment
  RSA788953  Juncus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC109884  Juncus Peter Rubtzoff 1974-10-20 7938 Sonoma Hinebaugh Creek in Rohnert Park.Creek east of Commerce Blvd. Comment
  CAS-BOT-BC157987  Juncus Peter Rubtzoff 1968-6-25 5905 Sonoma Lichan Marsh Comment
  SEINET6744751 Image available Juncus bolanderi Marcus E. Jones 1882-1 3523 Sonoma Duncan's Mills Comment
  UCD141376  Juncus bufonius Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 50 A Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA234552  Juncus dubius Peter Rubtzoff 1960-6-9 4490 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  CDA31034  Juncus effusus D. G. Kelch, Troy McGregor 2010-8-22 10 .338 Sonoma Geyser Peak Rd. Comment
  UCD148475  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC157996  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5902 Sonoma Lichan Marsh 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
  SEINET5586469  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-1 5920 Sonoma Upper Salmon Creek Marsh. Comment
  UCD166110  Juncus hemiendytus var. hemiendytus Peter Rubtzoff 1972-4-23 6733 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC164035  Juncus hesperius Peter Rubtzoff 1968-7-13 5919 Sonoma Sonoma: upper Salmon Creek 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
  RSA368222  Juncus hesperius Christopher Davidson 1977-6-20 6035 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  RSA0015644  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh. Comment
  RSA0019005  Juncus lescurii Peter Rubtzoff 1954-8-9 1665 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC210071  Juncus occidentalis Peter Rubtzoff 1974-6-2 7515 Sonoma Upper Green Valley Marsh Comment
  UC1146699  Juncus occidentalis Freed W. Hoffman 1941-5-18 2180 Sonoma Franz Valley North Coast Ranges Comment
  SD99416  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12, ca. 3 miles west of Guerneville, along Russian River. Sand bar in river. 14 Comment
Read comments
Jun 25 2020
  UCD141756  Juncus patens Frederica Bowcutt 1996-5-18 1848 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, N of Sonoma Creek about 35 yards, N of Adobe Canyon Road ca. 20 ft.. Trailhead for Pony Gate trail near kiosk and visitor center. 411 Comment
  CDA39261  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  CDA39264  Juncus phaeocephalus T. C. Fuller 1958-1-29 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  CAS-BOT-BC235865  Keckiella corymbosa Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  RSA0023016  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCR248905  Kickxia elatine Peter Rubtzoff 1970-7-11 6281 Sonoma Laguna de Santa Rosa northwest of Trenton, at Healdsburg Road crossing 61 Comment
  CAS-BOT-BC273780  Koeleria pyramidata Catherine Best 1981-5-2 s.n. Sonoma Stoetz Lane, north of Occidental Comment
  CAS-BOT-BC273788  Koeleria pyramidata G. DeNevers 1981-5-23 1309 Sonoma Pepperwood Ranch. Above (N) of the Green House Comment
  CAS-BOT-BC340487  Lactuca saligna Walter Knight; Irja Knight 1963-8-30 184 Sonoma On Kentucky St between Prospect & Oak Sts. - Petaluma Comment
  CAS-BOT-BC166951  Lagophylla Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC274319  Lagurus ovatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north of Crow's Nest and east of Spyglass Lane, The Sea Ranch Comment
  CAS-BOT-BC164354  Lamiaceae Peter Rubtzoff 1954-8-11 1684 Sonoma Guerneville Marsh. Comment
  UCD165120  Lamium Peter Rubtzoff; Paul But 1974-4-6 7359 Sonoma Along roadside at the border of the Forestville Marsh. Comment
  CAS-BOT-BC337896  Lasthenia J. H. Thomas 1954-6-18 4294 Sonoma Near intersection of Coast Highway and Coleman Valley Road, about 3.5 miles north of town Bodega Bay Comment
  CAS-BOT-BC324926  Lasthenia burkei Peter Rubtzoff 1963-6-6 5165 Sonoma Laguna de Santa Rosa east of Graton Comment
  JEPS86735  Lasthenia burkei Jack and Betty Guggolz 1990-4-25 1036 Sonoma 1.5 mi n Simi Winery (s of Lytton Road and w of Lytton Creek) 51 Comment
  JEPS86747  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1028 Sonoma 1.25 mi nw old Windsor (just n of Promenade Lane and e of Herb Lane) 45 Comment
  CDA11328  Lasthenia californica G. F. Hrusa 1995-4-2 12038 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  UC30450  Lasthenia californica H. N. Bolander 1864-1 3846 Sonoma Mark West Comment
  CAS-BOT-BC346333  Lasthenia californica G. DeNevers 1982-4-18 1945 Sonoma Pepperwood Ranch. NW corner of Hansel's Property Comment
  RSA585979  Lasthenia californica Adree M. Desrochers 1990-4-23 480 Sonoma 12 miles S of Fort Ross State Historic Park; on W side of Hwy 1. Comment
  RSA59636  Lasthenia californica Verne Grant, Alva Grant 1950-4-24 8875 Sonoma Summit of road between Santa Rosa and Calistoga in Hood Mt. Range. Comment
  JEPS26839  Lasthenia californica subsp. bakeri Rimo Bacigalupi 1961-5-21 7702 Sonoma at head Johnson Gulch (due e of Bodega Bay Hill Raod) 217 Comment
  JEPS82092  Lasthenia californica subsp. bakeri Rimo Bacigalupi 1961-5-21 7702 Sonoma on hill due e Bodega Bay Hill Road (head of gulch); Johnson Gulch Comment
  CAS-BOT-BC324412  Lasthenia californica subsp. macrantha Paul F. Covel 1938-7-11 1426 Sonoma Near Salmon Beach Comment
  CAS-BOT-BC352755  Lasthenia fremontii John Thomas Howell 1943-5-10 17989 Sonoma 1 mile N of Windsor Comment
  CAS-BOT-BC355530  Lasthenia glaberrima Peter Rubtzoff 1966-4-17 5676 Sonoma Laguna de Santa Rosa, east of Gradon (between Occidental and Guerneville rds.) Comment
  RSA32853  Lasthenia macrantha subsp. bakeri A. A. Heller 1938-5-14 s.n. Sonoma East of Bodega Bay Comment
  SD88403  Lasthenia minor Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  JEPS86809  Lathyrus Jack and Betty Guggolz 1991-5-20 1140 Sonoma 97 Comment
  CAS-BOT-BC164390  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
  UCD106227  Lathyrus hirsutus Frederica Bowcutt 1996-5-24 2164 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  UCD106341  Lathyrus polyphyllus P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  UCD106668  Lathyrus tingitanus Donna Allen 1977-5-24 s.n. Sonoma Dry cr. Rd. next to bridge at site of proposed dam. Comment
  RSA0060113  Lathyrus vestitus Greg de Nevers 1998-3-14 11147 Sonoma Duncans Landing beach, north of Bodega Bay. Comment
  RSA12254  Lathyrus vestitus subsp. bolanderi Carl B. Wolf 1934-6-29 5799 Sonoma 6/10 of a mile inland from Stewarts Point. 61 Comment
  UCSB22473  Lathyrus vestitus var. ochropetalus McCarthy, Sharon 1965-4-16 Sonoma North of junction of 5th Street West and Verano Avenue, Sonoma 60 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-BC323232  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 miles E of Shellville (just E of intersection of Sonoma road). Comment
  UC584225 Image available Layia chrysanthemoides J. Clausen 1935-5-24 1090 Sonoma 6.2 mi s Jenner (at a little bay); ; S of Jenner, Sonoma Co. Comment
  CAS-BOT-BC323253  Layia chrysanthemoides Wayne Roderick 1967-5-7 s.n. Sonoma 2 miles E of Petaluma 15 Comment
  HSC103521  Layia chrysanthemoides Thomas W. Nelson, Jane Nelson 1981-5-3 6469 Sonoma Along Presseley Rd., ~ 3 mi. N of junction with Roberts Rd. Comment
  SEINET7067259  Layia gaillardioides A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC329304  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  CAS-BOT-BC184131  Leersia Peter Rubtzoff 1970-9-2 6358 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC274364  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road 91 Comment
  UCD165119  Lemna Peter Rubtzoff 1974-4-6 7349 Sonoma Kenwood Marsh. Comment
  RSA785223  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  CAS-BOT-BC534366  Lemna minor Greg de Nevers 1995-4-5 10712 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCR255528  Lemna minor Peter Rubtzoff 1958-7-19 3781 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC183613  Lemna minor Peter Rubtzoff 1965-11-9 5669 Sonoma Willow Creek Marsh. Comment
  RSA0028899  Lemna minor Peter Rubtzoff 1961-6-23 4655 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC344880  Lemna minuta Peter Rubtzoff 1961-10-17 4769 Sonoma Cunningham Marsh. Comment
  RSA0064183  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC339169  Leontodon saxatilis subsp. saxatilis John Thomas Howell 1945-7-18 21323 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC215729  Lepechinia calycina Walter Knight; Irja Knight 1964-1-17 512 Sonoma Upper Hooker canyon, Cavedale Road Comment
  CAS-BOT-BC176125  Lepidium didymum Peter Rubtzoff 1958-8-9 3840 Sonoma Laguna de [Snata] Santa Rosa north of Sebastopol (nr. Occidental road) Comment
  UCD165875  Lepidium didymum Peter Rubtzoff 1970-10-29 6422 Sonoma Marsh in dunes south of U.C. Bodega Marine Laboratory dormitory. Comment
  UCD115699  Lepidium latifolium John Thomas Howell 1966-6-2 41550 Sonoma South of Schellville near Black Pt. road. Comment
  CDA15514  Lepidium strictum Sallee 1999-5-6 PDR 009208 Sonoma North Coast Ranges; Sonoma Co. Ag. Comm. office complex, Santa Rosa. 0 Comment
  CAS-BOT-BC273999  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-9-2 6354 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC274000  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-7-17 6284 Sonoma 5 miles north of Sears Point Comment
  UCR248863  Leptochloa fusca subsp. uninervia Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 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
  CAS-BOT-BC226705  Leptosiphon jepsonii Alice Eastwood 1921-4-24 10365 Sonoma Santa Rosa Comment
  CAS-BOT-BC376428  Leptosiphon jepsonii Greg de Nevers 1995-6-3 10746 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Road to Weimar Flat. 400 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
  UCR261617  Leptosiphon latisectus Ann Howald 2003-3-8 2274 Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, c. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  CAS-BOT-BC324189  Lessingia hololeuca Walter Knight; Irja Knight 1963-9-11 409 Sonoma Chileno Valley Comment
  JEPS82406  Lessingia hololeuca Roger Raiche 1983-9-20 30727 Sonoma between Monte Rio and Camp Meeker Bohemian Highway; Headwaters Duvoul Creek Comment
  CAS-BOT-BC324192  Lessingia hololeuca W. R. Dudley 1893-9-9 s.n. Sonoma near mouth of Russian River Comment
  JEPS20586  Lessingia ramulosa Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  CAS-BOT-BC342001  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa 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-BC272126  Leymus triticoides David L. Morgan 1955-6-25 s.n. Sonoma 3 mi. W. of Petaluma Comment
  UCD150275  Leymus triticoides M. Lennox; D. Curle 2011-12-7 PDR 146599 8 Sonoma Petaluma. Comment
  UC1187708  Ligusticum apiifolium Tracey and Viola Call 1961-6-10 2070 Sonoma 1 mi.n. Kruse Rhododendron State Park 60 Comment
  UCR255737  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Mark West Creek, just upstream of bridge at Mark West Lodge 134 Comment
  POM137210  Limnanthes douglasii L. R. Abrams 1918-4-27 7070 Sonoma Santa Rosa Comment
  RSA215899  Limnanthes douglasii Peter Rubtzoff 1957-5-11 3335 Sonoma Occidental Marsh. Comment
  UC1057461  Limnanthes douglasii G. Thomas Robbins 1937-5-23 180 Sonoma near Wright School (along road between Santa Rosa and Sebastopol) Comment
  UC971870  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-14 1123 Sonoma 0.3 mi n El Verano School (open field w side of road) Comment
  RSA79068  Limnanthes douglasii subsp. douglasii E. K. Balls, Lee W. Lenz 1952-5-8 17115 Sonoma 0.1 mi. from Kellogg, jct. of road from Mark West Springs with Hwy. 29. 61 Comment
  CAS-BOT-BC45948  Limnanthes vinculans Peter Rubtzoff 1958-5-17 3669 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  CAS-BOT-BC45950  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5689 Sonoma North side of Hessel Rd. just west of Hwy. 116 Comment
  CAS-BOT-BC45952  Limnanthes vinculans Peter Rubtzoff; Nancy Harrison 1978-5-20 9179 Sonoma Cunningham Marsh area. On north side of Bulcher Creek valley. Comment
  UCD71176  Limnanthes vinculans M. Plotkin 1995-5-29 MSP 04 Sonoma Todd Road, Southeast of Sebastopol, adjacent to CA Department of Fish and Game Todd Road Ecological Reserve. In culvert inside Todd road right of way. 24 Comment
  UC496363  Linanthus androsaceus Merle Randall 1930-6-2 Sonoma near Cazadero (Christopher Ranch) Comment
  UC52794  Linanthus androsaceus Milo S. Baker 1898-4-5 Sonoma near Gualala River Comment
  CAS-BOT-BC167474  Linum trigynum Elaine Mahaffey 1996-5-20 s.n. Sonoma Fort Ross State Park Comment
  UC11884  Lithophragma affine Alice King Apr. 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC437152  Lithophragma heterophyllum Elmer I. Applegate 1934-3-25 8844 Sonoma Sausal Creek, Pine Flat road, foothills of the Cayamaca Mountains Comment
  RSA17705  Lithophragma heterophyllum Elmer I. Applegate 1934-3-25 8844 Sonoma Sausal Creek. Pine Flat Rd. Foothills of the Cayamaca Mtns. Comment
  CAS-BOT-BC342132  Logfia filaginoides H. L. Mason 1934-4-28 8062 Sonoma Baker's Ranch, near Kenwood Springs 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-BC342502  Logfia gallica D. E. Breedlove 1980-6-28 44810 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC283289  Lolium multiflorum Peter Rubtzoff 1951-7-21 488 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  UCSC000076  Lolium multiflorum H. S. Yates 1937-5-30 6551 Sonoma 1.5 miles E. of Occidental - Sebastopol 91 Comment
  CAS-BOT-BC283292  Lolium multiflorum David L. Morgan 1960-7-10 s.n. Sonoma 1 mile S of Carmet, State Highway 1, Bodega Coast Comment
  RSA121233  Lolium temulentum H. S. Yates 1937-5-31 6560 Sonoma 1.5 mi. WNW of Mark West Springs 183 Comment
  SEINET7067344  Lomatium californicum A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles east of Windsor on Porter Creek Road. Coordinate datum: NAD27. UTM Zone 10, 526145mE, 4266921mN. Comment
  SEINET5321344  Lomatium dasycarpum A. G. Vestal 1962-4-11 Sonoma Occidental; 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN Comment
  POM180784  Lomatium dasycarpum subsp. dasycarpum J. T. Howell 1930-7-13 5340 Sonoma Black Point Road Comment
  UC333728  Lomatium utriculatum Hy. Edwards May 1877 316 Sonoma Knights Valley Comment
  CAS-BOT-BC240651  Lonicera hispidula Peter Rubtzoff 1952-5-31 1115 Sonoma Pitkin Marsh, near Forestville. Bordering the central part of the Pitkin Marsh Comment
  CAS-BOT-BC244000  Lonicera involucrata var. ledebourii Saichi Kawahara 1969-3-31 542 Sonoma 50 yards west of Jenner 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
  CAS-BOT-BC244013  Lonicera involucrata var. ledebourii Peter Rubtzoff 1957-6-28 3385 Sonoma Duncan Mills Marsh Comment
  UC28550  Lonicera involucrata var. ledebourii Ivar Tidestrom 1895-6-14 Sonoma Petaluma 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-BC540833  Lonicera involucrata var. ledebourii Peter Rubtzoff 1958-5-17 3681 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Rd.) Comment
  UCR143602  Lotus G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC294702  Lotus Peter Rubtzoff 1970-7-17 6291 Sonoma Five miles north of Sears Point. Comment
  UC15740  Lotus aboriginus Michener and Bioletti 1892-7-6 Sonoma Gualala Comment
  POM232043  Lotus angustissimus Roxana S. Ferris 1937-8-19 9379 Sonoma 1.5 mi. north of Fort Ross on State Highway 1. Comment
Read comments
Dec 13 2015
  POM258887  Lotus angustissimus Alice Eastwood, John T. Howell 1938-6-11 6267 Sonoma Near Stillwater Cove. Comment
  UCD35510  Lotus angustissimus Beecher Crampton 1957-7-22 4373 Sonoma State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  UC80924  Lotus crassifolius var. crassifolius unknown July, 1885 Sonoma Kelseyville to Cloverdale Comment
  UC80808  Lotus heermannii Alice Eastwood 1899-6-9 Sonoma Bodega Point Comment
  JEPS55793  Lotus purshianus var. purshianus A. M. Ottley 1921-5-6 1353 Sonoma Sonoma Comment
  UC15595  Lotus scoparius Miss Alice King Jun 1897 Sonoma Healdsburg Comment
  SEINET12165328  Lotus scoparius W. Knight, Kinght, I.; DrEdwards, S. 1986-1 5323 Sonoma Geyser Peak Summit, access from Healdsburg-Geysers Rd 858 Comment
  RSA31784  Lotus unifoliolatus A. A. Heller 1938-8-11 15321 Sonoma Knights Valley Comment
  CDA36840  Lotus wrangelianus 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
  SEINET3694616 Image available Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma North of Bodega Bay Comment
  UC1223413  Lotus wrangelianus Joseph P. Tracy 1933-5-1 12128 Sonoma below Knight's Valley; Mayacama Creek Comment
  UCR255053  Lotus wrangelianus Greg de Nevers 1992-5-2 10138 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  UCD66027  Ludwigia hexapetala B. J. Grewell 2006-8-25 06- 52 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol. 16 Comment
  UCD66047  Ludwigia hexapetala B. J. Grewell; Keenan Foster 2005-9-14 05- 17 -LU Sonoma Russian River upstream of Cloverdale Airport. 79 Comment
  UCR280189  Ludwigia palustris Peter Rubtzoff 1958-8-9 3858 Sonoma Laguna de Santa Rosa, north of Sebastopol, near Occidental Road 20 Comment
  UC423054  Ludwigia peploides subsp. peploides Milo S. Baker 1899-6-29 Sonoma near Forestville Station Comment
  CAS-BOT-BC201290  Lupinus Charles Piper Smith 1947-6-25 47570 Sonoma Highway 1, Fort Ross, 1.9 miles north Comment
  UCD105742  Lupinus affinis John Thomas Howell 1976-4-26 51596 Sonoma hills east of Geyserville on road to Geysers. Comment
  CAS-BOT-BC195973  Lupinus albifrons var. albifrons Milo S. Baker 1934-1-1 9481 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC195981  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood Comment
  CHSC63910  Lupinus arboreus John Hale 1990-4-10 14 Sonoma 305 m. NW of Ocean Grove. 6 Comment
  CDA36849  Lupinus bicolor 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
  UCR248750  Lupinus bicolor Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  POM161188  Lupinus densiflorus var. palustris R. C. Bacigalupi s.n. Sonoma Bodega. Comment
  UC201962  Lupinus formosus Milo S. Baker May 1899 Sonoma on Occidental Road Green Valley near Gallager's Green Valley Comment
  CAS-BOT-BC8358  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley (label reads Anderson Valley; annotation corrects this to Alexander Valley) Comment
  CDA36829  Lupinus latifolius CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCR255745  Lupinus latifolius Greg de Nevers 1998-4-28 11210 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  SD53183  Lupinus microcarpus var. microcarpus Darley F. Howe 1962-5-24 3317 Sonoma Bodega Bay Comment
  SD37910  Lupinus microcarpus var. microcarpus Edith A. Purer 1932-7-24 Sonoma near Bodega Bay, roadside in Santa Rosa Canyon Comment
  UC201065  Lupinus nanus Katharine Brandegee July 1905 Sonoma Bodega Comment
  UC73201  Lupinus pachylobus Milo S. Baker 1898-4-20 631 Sonoma Taylor Mt. Comment
  CAS-BOT-BC207257  Lupinus sericatus Walter Knight; Steve Edwards 1985-11-17 5183 Sonoma Ridge northwest of summit on Kortum Canyon Road Comment
  NY16021  Lupinus sonomensis A. A. Heller 1940-5-17 15638 Sonoma 2 miles east of Shellville along State Highway #37. Upper Sonoran Life Zone. Comment
  JEPS77251  Lupinus succulentus Robert M. Lloyd 1963-4-24 2390 Sonoma on road to Oakdale 1.3 mi from State Highway 12; rd to Oakdale 243 Comment
Read comments
Sep 25 2013
  HSC34850  Lupinus succulentus Thomas W. Nelson 1975-5-8 1811 Sonoma Beside Hwy. 101 just S of Ash Creek near the Mendocino-Sonoma Co. line Comment
  RSA22011  Lupinus variicolor Alice Eastwood, John T. Howell 1939-4-2 7362 A Sonoma Larkspur Rock Comment
  UCD109671  Lupinus variicolor P. B. Kennedy 1915-5-31 26 Sonoma along roadside, Del Mar. Comment
  SEINET6932751 Image available Lupinus versicolor W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Cove at Bodega Head. Comment
  UCD166736  Luzula Peter Rubtzoff 1955-6-4 1900 Sonoma Forestville Marsh. Comment
  UCD160060  Luzula subsessilis James A. Neilson Jr. 1975-4-9 3664 Sonoma Mayacmas Mountains, Hilary Farms. (Exact location unknown. Elevation and coordinates estimated by label maker from Nielson 3126 near Cascade Creek.) 609 Comment
  UCR105439  Lythrum hyssopifolia Peter Rubtzoff 1954-7-4 1521 Sonoma SW area adjoining Austin Creek Marsh Comment
  RSA0015993  Lythrum hyssopifolia Peter Rubtzoff 1958-7-20 3784 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166909  Madia Peter Rubtzoff 1955-9-25 2161 Sonoma Forestville Marsh area. Comment
  UCD164595  Madia Peter Rubtzoff 1975-8-28 8361 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC368100  Madia anomala Greg de Nevers 1998-5-12 11247 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC342616  Madia anomala John Thomas Howell 1959-5-7 34594 Sonoma Hills east of Agua Caliente Comment
  RSA81574  Madia capitata James I. McMurphy 1909-8-8 702 Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  CAS-BOT-BC344044  Madia elegans James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  UC990649  Madia elegans James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  UCD132825  Madia gracilis Frederica Bowcutt 1994-5-21 1832 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. Along the Hillside Trail 1/2 mile. 396 Comment
  CAS-BOT-BC345213  Madia sativa Alice Eastwood; John Thomas Howell 1936-7-4 3825 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC345228  Madia sativa H. M. Hall 1916-7-24 10250 Sonoma Near Petaluma Comment
  LA209925  Madia sativa O. H. Kappler; 1930-6-8 5264 Sonoma 1 mi. east of Bodega Bay Comment
  POM215200  Madia sativa D. D. Keck 1933-11-6 2647 Sonoma 1 mile north of Freestone on road to Occidental Comment
  UCD132830  Madia sativa Frederica Bowcutt 1997-7-18 2184 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC345208  Madia sativa James I. McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  CAS-BOT-BC345220  Madia sativa Luther Burbank; L. R. Abrams 1907-8-1 s.n. Sonoma Along roadside between Sebastopol and Santa Rosa Comment
  CAS-BOT-BC345259  Madia sativa David D. Keck 1933-11-6 2653 Sonoma 6.5 mi. N. of Jenner Comment
  UCSB708  Maianthemum racemosum Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits of Camp Meeker Comment
  SD88309  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Road. Comment
  SEINET12048686  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Knight, W.; Knight, I. 1984-1 84 151 A Sonoma Bridgehaven, near junction of Willow Creek Rd & CA 1 along Russian River 37 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
  UCD139121  Maianthemum stellatum Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1768 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon along the Goodspeed Trail about 30 yards from the trail head. Along Sonoma Creek just east of confluence with Bear Creek near bridge over Sonoma Creek. 198 Comment
  CAS-BOT-BC540136  Malus domestica Peter Rubtzoff 1952-5-31 1102 Sonoma Area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  UC1042431  Malus pumila var. domestica Peter Rubtzoff 1951-11-24 847 Sonoma near Forestville (Pitkin Marsh, Upper Marsh, uppermost part of w branch); Pitkin Marsh Comment
  UCR47300  Malva nicaeensis Mary M. Hektner 1976-4-3 240 Sonoma Sea Ranch Association Office, Sea Ranch, near State Hwy 1. Comment
  SEINET11993721  Malvella leprosa W. Knight, Knight, I. 1984-1 5425 Sonoma Willow Creek Rd 61 Comment
  POM59381  Marah fabacea A. A. Heller, H. E. Brown 1902-4-11 5277 Sonoma Bodega Bay. Comment
  SBBG53030  Marah fabacea M. R. Benedict 1978-4-18 Sonoma Skaggs Spring Rd, above Warm Springs dam site Comment
  UCD125013  Marrubium vulgare M. Barbour 1970-11-30 s.n. Sonoma Bodega Marine Station. Comment
  CDA34793  Matricaria discoidea Peter Warner 2010-3-29 120 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  HSC6011  Matricaria discoidea S. N. Wiemeyer 1962-4-20 26 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC268111  Medicago Peter Rubtzoff 1973-8-21 7247 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  UCD107846  Medicago polymorpha P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC269515  Melica californica John Thomas Howell 1934-3-26 11791 Sonoma 12 miles from Calistoga on Alexander Valley road Comment
  UCD87220  Melica californica R. Tofsrud 1947-7-1 175 Sonoma Santa Rosa, old cemetery. Comment
  UCD87156  Melica californica David L. Morgan 1956-4-25 s.n. Sonoma 2 mi. W. of Petaluma on 'I' st. Ext. Comment
  CAS-BOT-BC281273  Melica geyeri Peter Rubtzoff 1952-6-10 1202 Sonoma NE slopes of Fitch Mountain, near Healdsburg Comment
  JEPS128380  Melica geyeri Roger Raiche 2000-5-5 086 .00 Sonoma The Cedars. Danfield Creek, Leona's Cabin Site. Gualala River, Wheatfield Fork watershed. Comment
  SJSU9871  Melica geyeri G. J. Woodside 1969-4-29 36 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St. Dorothy's Rest Comment
  CAS-BOT-BC281281  Melica geyeri David L. Morgan 1961-4-17 s.n. Sonoma On Tomales Rd, 2 miles SW of Tomales Comment
  SEINET197658 Image available Melica geyeri Leo Koch 1940-4-24 843 Sonoma Roadside in Bennett Valley a mile north of two and one-half mile junction from Kenwood and Glen Ellen Comment
  SEINET8719049 Image available Melica geyeri Leo Koch 1940-1 843 Sonoma in Bennett Valley, a mile north of two and one-half mile junction from Kenwood and Glen Ellen Comment
  UCD33240  Melica geyeri Beecher Crampton 1967-5-15 7936 Sonoma Sonoma County, Napa County line, 4 miles N.W. of Calistoga on Hwy. 128. Comment
  JEPS45822  Melica harfordii Eleanor Armstrong 1932-6-3 181 Sonoma near Camp Meeker 121 Comment
  RSA123514  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mile WSW of Petrified Forest. 274 Comment
  UCD32526  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Sonoma County, 2.5 miles north of Guerneville, on roadside banks. Comment
  UCD87554  Melica harfordii R. Tofsrud 1947-6-18 190 Sonoma Armstrong Grove. Comment
  CAS-BOT-BC262565  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood Comment
  UC1146593  Melica torreyana Freed W. Hoffman 1947-5-30 1701 Sonoma Austin Creek Layton Mine; North Coast Ranges, Austin Creek Comment
  UCD89210  Melica torreyana L. Whitney 1935-4-14 s.n. Sonoma Near Occidental. Comment
  UCD89219  Melica torreyana H. S. Yates 1936-5-16 5616 Sonoma California Forest and Range Experiment Station. 3 miles N.W. of Camp Meeker. 60 Comment
  RSA784569  Melissa Peter Rubtzoff 1973-9-9 7317 Sonoma Kenwood Marsh. Comment
  UCD148332  Melissa officinalis Peter Rubtzoff 1954-8-11 1684 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164066  Mentha Peter Rubtzoff 1958-5-10 s.n. Sonoma Laguna de Santa Rosa, E of Cunningham, near Llano Road crossing Comment
  UCD163793  Mentha aquatica Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  UC1124520  Mentha pulegium H. S. Yates 1937-8-22 6866 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UC1239694  Mentha pulegium Joseph P. Tracy 1947-10-6 17937 Sonoma along Mayacama Creek (w of Knights Valley); along Mayacama Creek, w of Knights Valley 152 Comment
  CAS-BOT-BC164084  Mentha pulegium Peter Rubtzoff 1955-10-12 2165 Sonoma Duncans Mills Marsh, lower portion of marsh. Comment
  SEINET12330323  Mentha pulegium W. Knight, Knight, I. 1984-1 5429 Sonoma Willow Creek Road 61 Comment
  UCD148376  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC166976  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Vacation Beach, near Guerneville. Comment
  RSA784401  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  JEPS128228  Micropus Roger Raiche 2000-5-4 071 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC322609  Micropus amphibolus Herbert L. Mason 1934-4-28 8081 Sonoma Jensen's Ranch, head of Dohrman Creek four miles west of Healdsburg Comment
  RSA54045  Micropus amphibolus J. T. Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC348621  Micropus californicus var. californicus H. L. Mason 1934-4-28 8077 Sonoma Jensen's Ranch, head of Dohrmann Creek Comment
  RSA784491  Microseris Peter Rubtzoff 1974-5-26 7470 Sonoma On Bennett Valley Road, 4.25 mi W of Glen Ellen. Comment
  CAS-BOT-BC322650  Microseris laciniata F. T. Bioletti 1893-6-10 s.n. Sonoma Los Guilucos Valley Comment
  UCD118901  Microsteris gracilis Frederica Bowcutt 1994-5-21 1833 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. Along the Hillside Trail 1/2 mile. 396 Comment
  CAS-BOT-BC320504  Mimulus Peter Rubtzoff 1955-8-20 2081 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC311874  Mimulus Peter Rubtzoff 1959-6-20 4170 Sonoma Willow Creek Marsh. Comment
  UCD38481  Mimulus aurantiacus Beecher Crampton 1955-6-17 2969 Sonoma Fort Ross. Comment
  JEPS11702  Mimulus aurantiacus var. aurantiacus Francis W. Pennell Jul 2 1940-Jul 3 1940 26033 Sonoma mountain ne Kenwood Springs 243 Comment
  RSA177937  Mimulus aurantiacus var. aurantiacus Robert F. Thorne 1965-4-20 34335 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  OBI9498  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1944-5-11 5454 Sonoma Along road to Oakville from Kenwood Comment
  SEINET12337138  Mimulus bolanderi Unknown 1986-1 60284 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 0.5 mi N of Ida Clayton Rd 747 Comment
  RSA535826  Mimulus douglasii David M. Thompson 1988-4-2 864 Sonoma 1.1 mi N of Porter Creek Road along Franz Valley Road. 30 ft S of (and opposite) 900 Franz Valley Road residence gate. 305 Comment
  UC1041002  Mimulus grandis J. W. Congdon 1880-3 Sonoma Petaluma Comment
  UCD122663  Mimulus grandis Mary M. Hektner 1975-8-14 226 -A Sonoma Unit 24 Owner's Map, Sea Ranch, near State Highway 1. Comment
  JEPS128246  Mimulus guttatus Roger Raiche 2000-5-27 109 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1012302  Mimulus guttatus F. W. Pennell and H. L. Mason 1940-5-21 25483 Sonoma Kellogg Route 28 182 Comment
  SEINET12335261  Mimulus guttatus subsp. arvensis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -251 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC886246  Mimulus kelloggii Alice Eastwood 1915-6-5 Sonoma Petrified Forest Comment
  UC26981  Mimulus microphyllus State Survey 974 Sonoma Sonoma Comment
  UCD122689  Mimulus microphyllus Janet McIntosh 1966-4-27 21 Sonoma 8 miles east of Petaluma, State Highway 116. 76 Comment
  UCD122794  Mimulus moschatus Frederica Bowcutt 1997-7-18 2173 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 662 Comment
  UC26911  Mimulus pilosus Alice King Sept., 1896 Sonoma Healdsburg Comment
  CAS-BOT-BC388897  Minuartia douglasii Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  JEPS48608  Minuartia douglasii Eleanor Armstrong 1932-5-20 482 Sonoma near Kenwood (3 mi up canyon); Adobe Canyon 152 Comment
  POM151736  Minuartia douglasii Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  UCD98267  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma junction of Bittner Road with Joy Road, between Occidental and Bodega. Comment
  CAS-BOT-BC220386  Monardella purpurea Milo S. Baker 1947-5-30 11781 Sonoma Harrison Grade, ca 2 mi. N.E. of Occidental Comment
  JEPS128225  Monardella villosa Roger Raiche 2000-7-15 138 .00 Sonoma The Cedars. Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  UC722653  Monardella villosa subsp. franciscana C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park 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
  UC76203  Monardella villosa subsp. globosa Miss M. Alice King June 1897 Sonoma near Healdsburg Comment
  RSA0022766  Monardella villosa subsp. neglecta Milo S. Baker 1946-7-4 11524 Sonoma Harrison Grade ca. 2 mi. NE of Occidental. Comment
  SEINET12324063  Monardella villosa subsp. neglecta W. Knight, Knight, I. 1982-1 4615 Sonoma 2.1mi from Camp Meeker toward Monte Rio on Bohemian Highway Comment
  SEINET10869892 Image available Monardella villosa subsp. sheltonii A. Arthur Heller 1902-7-8 Heller 5812 Sonoma Sandy bank of Russian river at Healdsburg Comment
  UC32607  Monardella villosa subsp. villosa Alice King June, 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC314207  Monardella villosa subsp. villosa C. L. Hitchcock; J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park. Comment
  UC1784120  Monardella viridis Ethel Crum 1930-7-13 816 Sonoma Mt. St. Helena, S shoulder Comment
  CAS-BOT-BC444989  Montia fontana John Thomas Howell 1949-4-6 25301 Sonoma SW. of Sonoma Comment
  CAS-BOT-BC445007  Montia fontana Peter Rubtzoff 1962-4-11 4791 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UC7847  Montia fontana F. T. Bioletti Apr. 1893 Sonoma Kernwood Comment
  CAS-BOT-BC444992  Montia fontana G. DeNevers 1981-4-1 659 Sonoma Pepperwood Ranch. 30 m S of Aluminum Pepperwood Gate. Comment
  CDA42984  Morella californica L. Ahart, Marge Anthony, John Dittes, Josephine Guardino 2013-4-25 18601 Sonoma North Coast; Near the edge of a residential driveway, 0.7 miles (air) east of Pacific Ocean, 0.8 miles (air) west of Gualala River. Comment
  SD99365  Morella californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. 3.0 miles north of Jenner. Comment
  POM161366  Muilla maritima Rimo C. Bacigalupi 1252 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  UCR222562  Myosotis latifolia George K. Helmkamp, E. A. Helmkamp 2010-6-5 16253 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  JEPS30065  Myrica californica Alice Louise Griffin Sonoma Stewart's Point Comment
  UC1042426  Myrica californica Peter Rubtzoff 1952-5-31 1113 Sonoma near Forestville (Pitkin Marsh, s. of Upper Marsh); Pitkin Marsh Comment
  UC1135951  Myrica californica H. S. Yates 1936-5-15 5597 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  RSA800843  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the 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
  UCD87822  Nassella lepida Beecher Crampton 1955-6-17 2952 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC260282  Nassella pulchra G. DeNevers 1981-4-11 677 Sonoma Pepperwood Ranch. On S slope of 3 Tree Hill Comment
  CAS-BOT-BC260287  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma Comment
  UCD38537  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg, along U.S. Hwy 101. Comment
  CAS-BOT-BC230265  Navarretia cotulifolia Miss May 1885-6-1 s.n. Sonoma Santa Rosa Comment
  UC23655  Navarretia intertexta Alice King Jun 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC230367  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1966-7-4 5773 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  CAS-BOT-BC230376  Navarretia leucocephala subsp. bakeri Niall McCarten 1986-5-28 5260 Sonoma NE end of Shiloh Ranch, 0.25 mile S of N end of Leslie Road on E side of road Comment
  UCD48317  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma In fields; highway between Healdsburg and Santa Rosa, Sonoma County, California. Comment
  JEPS101636  Navarretia mellita Dean W. Taylor 1998-6-22 16681 Sonoma Geysers area, ca. 0.3 miles east along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Cr.) 792 Comment
  UC1008723  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  CAS-BOT-BC232685  Navarretia pubescens Milo S. Baker 1927-5-17 2157 a Sonoma Bennett Valley Road, 0.5 mile W of Sonoma Creek Bridge Comment
  CDA38609  Navarretia squarrosa A. Smith & C. Morgan 2012-7-12 PDR# 1604317 Sonoma Vicinity of Annapolis. 0 Comment
  RSA94068  Navarretia squarrosa J. T. Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  UC1541554  Navarretia tagetina H. E. and S. T. Parks 1930-5-10 847 Sonoma Knights Valley 152 Comment
  UC353820  Navarretia viscidula Milo S. Baker 1928-6-28 3196 b Sonoma Pitkin Farm Comment
  UC58517  Nemophila heterophylla A. A. Heller 1903-4-24 6619 Sonoma near Cazadero; near Cazadero Comment
  POM65264  Nemophila heterophylla A. A. Heller 1903-4-24 6619 Sonoma Woods near Cazadero. Comment
  SEINET12345599  Nemophila menziesii F. H. Utech, Kawano, S.; Ohara, M. 1995-3-26 95 -59 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  SEINET7067240  Nemophila menziesii A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  UC1299130  Nemophila menziesii Freed W. Hoffman 1947-3-31 884 Sonoma Chimney Rock near Monte Rio; near Monte Rio, Chimney Rock Comment
  UC24242  Nemophila menziesii Milo S. Baker 1902-3-31 Sonoma Kenwood Comment
  POM179734  Nemophila menziesii var. atomaria A. A. Heller 1903-4-23 6600 Sonoma Fort Ross. Comment
  POM65261  Nemophila menziesii var. atomaria A. A. Heller, H. E. Brown 1902-3-12 5047 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  SD88406  Nemophila menziesii var. atomaria Darley F. Howe 1972-5-1 4815 Sonoma Duncan Point. Comment
  UCR255669  Nemophila parviflora Greg de Nevers 1998-6-15 11284 Sonoma CYO Camp on Bohemian Highway [2136 Bohemian Hwy, Occidental] 99 Comment
  UC198885  Nepeta cataria V. King Chesnut Aug 1887 Sonoma Santa Rosa Comment
  CAS-BOT-BC366896  Nicotiana Greg de Nevers 1997-10-17 11106 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral 400 Comment
  CAS-BOT-BC157974  Nicotiana Peter Rubtzoff 1965-8-16 5605 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  HSC100869  Nicotiana acuminata var. multiflora Peter Warner 2011-11-2 236 Sonoma Annadel State Park, lower Canyon-Spring Creek Trails access from Vietnam Veterans Trail at Park Trail Drive, Santa Rosa. 0 Comment
  CAS-BOT-BC400124  Nuphar polysepala Peter Rubtzoff 1958-7-26 3813 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC429299  Ornithogalum nutans Mrs. Morrow Mar 1898 700 Sonoma Santa Rosa; yard at 2nd St Comment
  UC1731298  Orobanche bulbosa Dean W. Taylor 1998-6-22 16680 Sonoma 0.3 mi e along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Creek, Mayacamas Mountains); North Coast Ranges Region, Mayacamas Mountains 792 Comment
  CAS-BOT-BC502909  Orobanche fasciculata Greg de Nevers 1995-5-2 10718 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd. 487 Comment
  SEINET13754683  Orthocarpus W. Roderick 1967-5-13 s. n. Sonoma N. of Steward's Pt. 15 Comment
  POM15641  Orthocarpus densiflorus A. A. Heller, H. E. Brown 1902-4-9 5236 Sonoma Three Miles South of Healdsburg. Comment
  POM252803  Orthocarpus erianthus var. roseus A. A. Heller 1938-5-14 15083 Sonoma The bluff north of Bodega Bay and along the roadside south of the town of Bay. Comment
  SEINET12270160  Orthocarpus faucibarbatus var. albidus L. D. Thurman 1965-1 667 Sonoma 8 mi N of Bodega Bay on State Hwy 1 Comment
  UC21179  Osmorhiza berteroi F. T. Bioletti 1892-3-13 Sonoma Comment
  UCD110761  Oxalis corniculata Lloyd M. Harwood 1964-4-20 s.n. Sonoma Santa Rosa. Comment
  HSC16700  Oxalis oregana Martha Meagher 1947-3-23 93 Sonoma County Rd. one-half mi. W of Freezeout Creek across Russian River from Duncan's Mills Comment
  SEINET5145410  Oxalis oregana Unknown 1994-4-3 71 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  UC917114  Oxalis oregana R. H. Miller 1949-4-6 21 Sonoma ca 5 mi se Monte Rio (beside Hwy 12) Comment
  CAS-BOT-BC227646  Panicum Peter Rubtzoff 1973-8-20 7243 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC254467  Panicum Peter Rubtzoff 1983-8-28 9670 Sonoma Austin Creek ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  UC1102744  Panicum acuminatum var. acuminatum A. R. Kruckeberg 1949-6-4 S- 21 Sonoma Sulphur Creek , Sulphur Creek (Big Geysers) Comment
  UCSB432  Panicum acuminatum var. fasciculatum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  UCD32825  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 c Sonoma N.E. Sonoma County: The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). 493 Comment
  RSA0045170  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, at base of Al Cuneo's driveway. 91 Comment
  CAS-BOT-BC371403  Panicum miliaceum Greg de Nevers 1998-8-25 11304 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Road 400 Comment
  RSA32186  Parentucellia viscosa Roxana S. Ferris, I. L. Wiggins 1943-4-30 10166 Sonoma 4 miles north of Asti, between Asti and Cloverdale. Comment
  RSA800123  Parentucellia viscosa Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of the marsh. Comment
  SEINET6794036 Image available Parentucellia viscosa Sally Walker 1983-1 Sonoma Joy Rd. - near Bodega Hwy Comment
  UCD166082  Parentucellia viscosa Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of the marsh. Comment
  CAS-BOT-BC259694  Paspalum dilatatum G. DeNevers 1981-6-6 1448 Sonoma Pepperwood Ranch. At the first Pepperwood entrance; Along Franz Valley Road, also at the green house Comment
  UCD88727  Paspalum dilatatum Beecher Crampton 1964-8-19 7151 Sonoma NE Sonoma County. 3/4 mile southeast of Mercuryville, 7 miles northeast of Geyserville. Comment
  CAS-BOT-BC265693  Paspalum distichum Peter Rubtzoff 1958-7-26 3809 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC672463  Penstemon heterophyllus H. L. Mason 1934-4-28 8071 Sonoma Jensen's Ranch head of Dohrman Creek, Jensen's Ranch Comment
  UCD160845  Pentagramma triangularis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3359 Sonoma West of Truit Creek, ca. 2 1/2 miles west of The Geysers Resort. (Location, coordinates, and elevation estimated by label maker.) 426 Comment
  CAS-BOT-BC222746  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  UCD127636  Perideridia kelloggii Frederica Bowcutt 1997-7-19 2192 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.75 air mile S of Red Mountain, 0.5 air miles NNW of confluence of the Malm Fork, 1.0 air miles WSW of Brushy Peaks. 457 Comment
  UCR49827  Perideridia oregana L. F. LaPre 1987-7-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  CAS-BOT-BC413641  Persicaria amphibia Peter Rubtzoff 1971-9-3 6694 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413744  Persicaria hydropiper Peter Rubtzoff 1968-8-18 5930 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC418921  Persicaria hydropiperoides Peter Rubtzoff 1956-9-15 2907 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418901  Persicaria hydropiperoides Peter Rubtzoff 1964-8-20 5471 Sonoma 1 mi. south-east of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  CAS-BOT-BC419117  Persicaria lapathifolia Peter Rubtzoff 1966-9-25 5822 Sonoma Laguna de Santa Rosa east of Graton betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419267  Persicaria maculosa Peter Rubtzoff 1968-9-21 5978 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC419279  Persicaria maculosa Catherine Best 1981-8-22 s.n. Sonoma On Stoetz Lane, about 2 miles northeast of Occidental Comment
  CAS-BOT-BC419432  Persicaria punctata John Thomas Howell; J. W. Stacey 1936-7-26 12682 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC419419  Persicaria punctata Peter Rubtzoff 1952-10-26 1330 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCR179375  Petrorhagia nanteuilii Botany 102 students 1993-5-8 285 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 eair miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile south of Red Mountain, N of Sonoma Creek 488 Comment
  OBI48665  Phacelia californica Joseph Andorfer Ewan 1935-5-12 9225 Sonoma 1.5 mi W of Bodega on Bodega Bay rd Comment
  UC126010  Phacelia distans Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  RSA428278B  Phacelia suaveolens subsp. suaveolens Peter H. Raven 1965-5-16 20219 Sonoma Near Frantz District School. Comment
  CAS-BOT-BC154988  Phalaris Peter Rubtzoff 1974-5-11 7406 Sonoma Laguna de Santa Rosa E of Sebastopol (south of Hwy. 23 crossing). Comment
  CAS-BOT-BC329229  Phalaris Peter Rubtzoff 1968-6-25 5913 Sonoma Lichan Marsh. Comment
  RSA0023069  Phalaris Peter Rubtzoff 1968-6-25 5913 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC258954  Phalaris aquatica Mary P. Wells 1984-5-24 297 Sonoma Annadel State Park (near Santa Rosa) Comment
  UCR248887  Phalaris aquatica Peter Rubtzoff 1970-7-12 6283 Sonoma Guerneville Marsh Comment
  UCR248889  Phalaris aquatica Peter Rubtzoff 1975-7-3 8149 Sonoma Kenwood Marsh 120 Comment
  UCR248890  Phalaris aquatica Peter Rubtzoff, Nancy Harrison, Ruth Hass, Chas F. Quibell 1974-8-31 7839 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC258945  Phalaris aquatica Walter Knight; Irja Knight; J. T. Howell 1987-5-14 6387 Sonoma Llano Road near sewage treatment plant 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
  RSA227231  Phalaris californica Peter Rubtzoff 1962-6-1 4859 Sonoma Freestone Marsh Comment
  UC1011002  Phalaris minor Doris Cole 1935-5-27 68 Sonoma Petaluma; at Doris Cole's home Comment
  UC50459  Phalaris paradoxa Mr. Leckenby June 1896 Sonoma Petaluma Comment
  UC30189  Phlox gracilis W. H. Brewer 1862-4-18 973 Sonoma near Sonoma Comment
  SEINET12330326  Phlox speciosa Unknown 1985-1 50169 Sonoma W of Healdburg, Dry Crk area, ridge W side of Dry Creek Valley, N of Dorman Canyon on Bradford Mt 244 Comment
  UCD102207  Phoradendron leucarpum subsp. tomentosum Frederica Bowcutt 1997-7-19 2191 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.5 air miles SSE of Red Mountain, Mid-slope on S facing side of Adobe Canyon along Vista Trail just E. of Vista Rock (prominent metamorphic rock outcrop). 579 Comment
  RSA247439  Phoradendron macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd). Comment
  UC6100  Phoradendron villosum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  UC66137  Physocarpus capitatus A. A. Heller 1902-6-4 5647 Sonoma near Santa Rosa Comment
  CAS-BOT-BC202286  Pickeringia montana var. montana Severin A. Baumann 1953-7-4 14 Sonoma Along edge of road connecting Oakville and Boyes Springs, ca. 5 mi. from Boyes Springs 304 Comment
  NY61622  Pinus lambertiana Collector unspecified s.n. 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
  RSA394828  Pinus muricata var. borealis D. Axelrod 1983-7-7 E- 3 Sonoma Vicinity Salt Point, Sate Highway 1. 76 Comment
  UCR46049  Piperia unalascensis L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  CAS-BOT-BC157648  Plagiobothrys Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8582 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC169560  Plagiobothrys Greg de Nevers 2002-5-8 12670 Sonoma Glen Ellen, Bouverie Preserve 152 Comment
  UCD166127  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR279877  Plagiobothrys Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  CAS-BOT-BC154142  Plagiobothrys Peter Rubtzoff 1972-5-25 6771 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC156307  Plagiobothrys Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC173530  Plagiobothrys Peter Rubtzoff 1969-5-24 6062 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC176189  Plagiobothrys Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD84292  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCR261634  Plagiobothrys bracteatus Ann Howald 2003-5-15 2336 Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, upper east slope, c. 0.1 mile south of Rodgers Creek 205 Comment
  UCR279864  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6218 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  UCR279865  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6231 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  UC577956  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma two mi s Mark West; Calistoga Quad. 152 Comment
  CAS-BOT-BC258017  Plantago Peter Rubtzoff 1959-9-19 4273 Sonoma Vacation Beach, near Guerneville, along margins of pool on the Russian River bottom. Comment
  SBBG53025  Plantago erecta M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  SEINET8665591  Plantago erecta A. A. Heller 1902-3-27 5167 Sonoma Western base of Mt. Hood Comment
  UCD124501  Plantago erecta Collector Unknown Date Unknown s.n. Sonoma Exact location unknown. Comment
  SD88566  Plantago maritima subsp. juncoides Darley F. Howe 1972-5-3 Sonoma 4.0 miles north of Ft. Ross. Comment
  UC1125647  Plantago maritima var. californica H. S. Yates 1934-4-21 3808 Sonoma near Bodega Port; Duncan Mills Quad. 15 Comment
  UCR280190  Plantago subnuda Peter Rubtzoff 1958-8-23 3907 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  UCD150600  Plantago subnuda Laurie E. Miller 1974-5-11 164 Sonoma Bodega Bay, W side of bay head; 0.5 mi. W of Bodega Station. Comment
  UC1134746  Platanthera leucostachys H. S. Yates 1936-5-16 5594 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quad. 30 Comment
  SEINET6911642  Platystigma linearis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Dunes near their base, Bodega Head, near middle of peninsula. Comment
  UCR256105  Plectritis Greg de Nevers 1997-5-13 10997 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa Near Pepperwood Weimar Pond 183 Comment
  POM59703  Plectritis congesta subsp. nitida A. A. Heller 1903-4-23 6603 Sonoma Fort Ross. From type locality. Comment
  SEINET780339  Plectritis samolifolia J. Ewan 1935-5-13 9262 Sonoma Wright School on Sebastopol Road. Comment
  SJSU5733  Pleuropogon californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  UC1533103  Pleuropogon californicus Rocky Thompson 1975-4-14 Sonoma ca 0.5 mi s, on Todd Rd Jct Todd Rd and Llano Rd Comment
  UCD37568  Pleuropogon californicus Beecher Crampton 1955-4-5 2417 Sonoma 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road. Comment
  CDA19188  Pleuropogon californicus L. Correia 2001-5-23 PDR 038348 Sonoma North Coast Ranges; Stony Pt Rd, Petaluma. 0 Comment
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. Comment
  SEINET6205136  Pleuropogon californicus L. S. Rose 1965-1 65019 Sonoma Sonoma Comment
  CAS-BOT-BC260932  Pleuropogon californicus var. californicus John Thomas Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley Comment
  CAS-BOT-BC260986  Pleuropogon californicus var. californicus A. A. Heller 1902-4-15 5294 Sonoma Santa Rosa Comment
  POM182703  Pleuropogon californicus var. californicus D. D. Keck 1931-4-1 993 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  UCD90234  Pleuropogon californicus var. davyi R. E. Preston 1996-4-22 930 Sonoma ca. 4.3 miles E.S.E. of Hopland. Comment
  CAS-BOT-BC311824  Poa Peter Rubtzoff 1974-5-11 7405 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  RSA0021489  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma Kenwood Marsh Comment
  UCD92205  Poa Collector Unknown 1941-4-1 381 Sonoma field east of old S. R. Cemetary. Comment
  CAS-BOT-BC173704  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC255603  Poa annua Peter Rubtzoff 1960-5-20 4399 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville roads Comment
  CAS-BOT-BC255610  Poa annua Peter Rubtzoff 1958-9-21 4004 Sonoma Vacation Beach, near Guerneville, Russian River bottom Comment
  CAS-BOT-BC255058  Poa compressa Peter H. Raven 1950-4-23 1884 Sonoma Sobre Vista 152 Comment
  CAS-BOT-BC254553  Poa douglasii John Thomas Howell 1931-4-18 6424 Sonoma Mouth of Salmon Creek, 2 miles N of Bay Comment
  UC903700  Poa howellii Milo S. Baker 1947-4-22 11698 Sonoma above Gray Ranch Hood Mt 304 Comment
  UCD91156  Poa howellii Collector Unknown 1941-4-1 369 Sonoma side road off Trinity Road. Comment
  UCD90524  Poa kelloggii Beecher Crampton 1955-6-17 2947 Sonoma 4.5 miles S of Cazadero. Comment
  SEINET10602215  Poa nevadensis A. Arthur Heller 1902-4-9 Heller 5245 Sonoma In a railroad cut 3 miles South of Healdsburg. Comment
  CAS-BOT-BC256032  Poa pratensis Peter Rubtzoff 1961-5-24 4594 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC243253  Poa secunda subsp. secunda G. DeNevers 1981-5-9 1105 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  CAS-BOT-BC244189  Poa trivialis Peter Rubtzoff 1954-6-6 1470 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC244192  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC244202  Poa trivialis John Thomas Howell 1951-5-28 27495 Sonoma Laguna E of Sebastopol Comment
  UCD92135  Poa unilateralis Beecher Crampton 1971-6-6 8719 Sonoma Sonoma Coast State Park at Carmet. Comment
  CAS-BOT-BC110663  Poaceae Peter Rubtzoff 1970-8-25 6342 Sonoma On Austin Creek beach, 0.5 miles north of Casadero. Comment
  CAS-BOT-BC361403  Poaceae Greg de Nevers 1994-3-18 10523 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. By Weimar 457 Comment
  CDA41540  Pogogyne douglasii G. F. Hrusa, A. Buckmann 1996-10-5 13586 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. 2 mi. SW of Calistoga. Comment
  RSA264762  Pogogyne douglasii subsp. parviflora Peter Rubtzoff, Tim Tunison, Nancy Harrison 1976-6-5 8585 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA92948  Polycarpon tetraphyllum Milo S. Baker, H. K. Wagnon 1954-7-1 12960 Sonoma 2nd Street in front of Hughes Garage, Santa Rosa. Comment
  CDA31279  Polygala californica D. G. Kelch, Ed Biffin 2010-5-3 10 .199 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD109700  Polygala californica K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  SEINET12205239  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -088 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  UCR255683  Polygonum amphibium Greg de Nevers 1998-6-28 11296 Sonoma Laufenberg Ranch, Spencer Lane, Knights Valley 143 Comment
  CAS-BOT-BC414116  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville Comment
  CDA11982  Polygonum bolanderi G. F. Hrusa, T. D. Wilfred 1995-12-3 12487 Sonoma North Coast Biodiversity Arena; Summit of Chalk Mtn. on the W face. Foote Ranch property, NW base of Mt. St. Helena, immediately N of Ida Clayton Rd. Comment
  RSA472717  Polygonum paronychia E. A. Purer 1932-7-24 15967 Sonoma Bodega Bay. Comment
  POM225313  Polygonum punctatum J. T. Howell 1932-9-18 10770 Sonoma Kenwood Marsh near Kenwood Comment
  CAS-BOT-BC232937  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC311839  Polypogon Peter Rubtzoff 1986-9-28 9743 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD92446  Polypogon Beecher Crampton 1957-5-16 4040 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  JEPS45804  Polypogon australis Eleanor Armstrong 1932-5-23 168 Sonoma near Wright School 3 mi w Santa Rosa Comment
  RSA94463  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UCR248938  Polypogon interruptus Peter Rubtzoff 1973-7-24 7194 Sonoma Upper Green Valley Marsh Comment
  UCD36689  Polypogon interruptus Beecher Crampton 1955-6-17 2945 Sonoma 4.5 miles S of Cazadero. Comment
  UCD51645  Polypogon interruptus Beecher Crampton 1964-8-18 7142 Sonoma The Geysers, Geyser Creek. Comment
  CAS-BOT-BC237398  Polypogon monspeliensis Greg de Nevers 1981-5-12 1142 Sonoma Pepperwood Ranch. At the Red Corral, Old McCann Homestead Comment
  CAS-BOT-BC237411  Polypogon monspeliensis Peter Rubtzoff 1959-8-30 4240 Sonoma Drake's Beach, near Guerneville, Russian River Comment
  SEINET8465033 Image available Polypogon monspeliensis G. K Helmkamp, E. A. Helmkamp 2010-6-4 16224 Sonoma North Coast Ranges; Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  UC1023579  Polypogon monspeliensis Virginia Bufford 1936-5-19 257 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UC505685  Polypogon monspeliensis C. R. and B. S. Ball 1933-5-30 2510 Sonoma Bodega Bay Comment
  UCR248904  Polypogon monspeliensis Peter Rubtzoff 1973-9-4 7293 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  JEPS86734  Polystichum californicum Jack and Betty Guggolz 1990-6-4 1056 Sonoma ca. 11 km e Healdsburg (on Ferrari-Carano Ranch) 198 Comment
  CAS-BOT-BC102671  Populus fremontii Irja Knight; Walter Knight 1964-11-9 802 Sonoma Odds Fellows Park on Russian River Comment
  RSA227252  Potamogeton natans Peter Rubtzoff 1955-8-13 2040 Sonoma Duncan Mills Marsh. Comment
  UC441347  Potamogeton nodosus Milo S. Baker Aug. 1900 Sonoma near Laguna; Mark West Creek Comment
  CAS-BOT-BC257678  Potamogeton nodosus Peter Rubtzoff 1971-9-30 6716 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC141650  Potentilla uliginosa John Thomas Howell 1946-8-17 22861 Sonoma Cunningham Marsh Comment
  RSA264716  Prunella vulgaris var. lanceolata Peter Rubtzoff 1974-8-5 7811 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC368037  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Leslie Road 400 Comment
  CAS-BOT-BC356498  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-10-3 379 Sonoma Off ramp freeway US 101 & Railroad Ave., Cotati Comment
  CAS-BOT-BC356928  Pseudognaphalium californicum G. DeNevers 1981-7-25 1872 Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  RSA785669  Pseudognaphalium luteoalbum Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UC75921  Pseudognaphalium thermale Miss M. Alice King 1896-9-1 Sonoma near Healdsburg Comment
  POM21757  Pseudotsuga menziesii A. A. Heller, H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  UCR280128  Psilocarphus Peter Rubtzoff 1964-7-7 5389 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UCD148450  Psilocarphus Peter Rubtzoff 1963-6-6 5168 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UC581109  Psilocarphus tenellus H. L. Mason 1934-4-28 8083 Sonoma Jensen's Ranch Dorhmann Creek Comment
  SEINET7067334  Psilocarphus tenellus var. tenellus A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  CAS-BOT-BC262992  Psoralea Peter Rubtzoff; Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 miles south of junction with Sonoma Mountain Road (2.7 miles north of Lichau Road junction). Comment
  CAS-BOT-BC72686  Pteridium aquilinum Irja Knight; Walter Knight 1964-11-15 s.n. Sonoma Hood's Peak at Johnson Lake Comment
  UCD137795  Pteridium aquilinum var. pubescens Ivette Loredo-Prendeville; Nicole Canon 1993-4-4 59 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 195 Comment
  UC125360  Pterostegia drymarioides Katharine Brandegee June 1905 Sonoma Bodega Comment
  UCD100924  Pterostegia drymarioides Arlene Johnston 1977-5-11 83 Sonoma Bodega Bay. Comment
  UC1751199  Pyrola picta Katharine Brandegee 1910-5-18 Sonoma Mount St. Helena Comment
  CAS-BOT-BC94231  Quercus X eplingii G. De Nevers 1981-9-5 1812 Sonoma Pepperwood Ranch. Bottom of Bauer's driveway, near Hansel's Corral Comment
  UC1173733  Quercus agrifolia Joseph P. Tracy 1939-10-14 16513 Sonoma 4 mi SE of Geyserville (Alexander Valley, foothills) 121 Comment
  UC405367  Quercus agrifolia W. P. Taylor 1913-6-11 Sonoma Freestone Comment
  UCD67049  Quercus agrifolia G. F. Hrusa; R. Gross 1996-3-31 12741 Sonoma Near residences of Foote Ranch, NE corner of Hwy. 128 and Ida Clayton Rd. Approx. 10 m. N of Calistoga. 110 Comment
  SEINET12029926  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 5080 Sonoma 0.4mi up Cavedale Rd from Hwy-12 91 Comment
  SEINET12030396  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 s.n. Sonoma 0.4mi up Cavedale Rd from Hwy-12 91 Comment
  JEPS37398  Quercus douglasii W. H. Calhoun 1907-10-21 Sonoma Windsor Comment
  CDA127  Quercus durata D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .283 Sonoma Cavedale Rd. Comment
  SEINET12030393  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  CAS-BOT-BC94671  Quercus garryana L. R. Abrams 1922-6-21 8098 Sonoma Healdsburg to Cloverdale Comment
  CDA31315  Quercus garryana D. G. Kelch, Ed Biffin 2010-5-3 10 .189 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD46199  Quercus garryana Roman Gankin 1967-10-4 1078 6 Sonoma (Back crossed to Q. garryana). Near Rocky Mountain, north of Guerneville, Sonoma County, California. 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
  CAS-BOT-BC105479  Quercus kelloggii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5387 Sonoma Pine Mt. Rd. Comment
  CAS-BOT-BC105485  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles N of Sonoma 900 Comment
  RSA786873  Quercus kelloggii Carrie A. Herd 1982-3-14 22 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UCD46739  Quercus kelloggii John M. Tucker 1952-9-20 2622 Sonoma California, Sonoma Co.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  UCSB1177  Quercus kelloggii Haller, John 1960-5-28 Sonoma 2.5 miles northwest of U.S. 101, 3.5 miles northwest of Cloverdale on California 128 152 Comment
  CDA6114  Quercus lobata D. G. Kelch 2007-5-13 7 .292 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC134866  Quercus wislizeni Steven Barnhart 1994-6-5 s.n. Sonoma Salt Point State Park E of Highway 1, near junction of fire road up to the meadow and the rail to the Pygmy Forest Comment
  CHSC6279  Ranunculus A. K. Reverd 1967-3-19 6 Sonoma On cliff, 6 ft w of highway 1, and 1/4 mi s of Miwok Beach. 10 Comment
  SD133985  Ranunculus aquatilis var. hispidulus Greg de Nevers 1987-2-28 8128 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 99 Comment
  UCD150854  Ranunculus arvensis Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  POM118705  Ranunculus californicus Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma. Comment
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Jan 23 2011
  RSA534581  Ranunculus californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UCD95945  Ranunculus californicus Mary M. Hektner 1976-5-10 253 Sonoma along bluffs above Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR242110  Ranunculus californicus Caitlin Lewis, William Mutch 1993-4-17 006 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco, 11 air mi east of Santa Rosa, and 2.5 mi NE of Kenwood. Adobe Canyon N of Sugarloaf Ridge and south of Red Mountain, near visitor center 366 Comment
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Oct 18 2018
  UC827655  Ranunculus californicus A. A. Heller 1938-5-14 15082 Sonoma bluff n Bodega Bay 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-BC378683  Ranunculus californicus var. californicus G. H. Mallory 1920-3-29 s.n. Sonoma east end of Sonoma Ave Comment
  CAS-BOT-BC378704  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -C Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  UCD151167  Ranunculus occidentalis var. occidentalis James A. Neilson Jr. 1974-3-27 3012 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UCD84283  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  SEINET12093777  Ranunculus pusillus H. K. Wagnon 1988-1 1796 Sonoma Spring Lake, near Montgomery Drive, Santa Rosa 69 Comment
  SD88304  Ranunculus uncinatus Darley F. Howe 1972-5-2 4920 Sonoma Trail above Duncan Mills Pond Comment
  UCD135421  Rhagadiolus stellatus Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1778 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground south of Sonoma Creek approximately 150 yards 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  RSA6213  Rhamnus californica Merle Randall 1930-6-14 s.n. Sonoma Alamere Creek Comment
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Sep 20 2012
  CAS-BOT-BC55943  Rhamnus crocea Walter Knight; Irja Knight 1963-9-1 142 Sonoma Pine Mt. Rd. - NE of Cloverdale Harold Smith Ranch Comment
  RSA339385  Rhamnus tomentella subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE end of town of Healdsburg on Reservoir Hill. 122 Comment
  CAS-BOT-BC53745  Rhododendron columbianum Lewis S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hill Road, 10 mi. w. of Santa Rosa 30 Comment
  UCD117871  Rhododendron columbianum J. M. Tucker 1958-5-24 3387 Sonoma Northwest end of Pitkin Marsh, ca. 1 1/4 miles east-southeast of Forestville. Comment
  UC634738  Rhododendron macrophyllum H. L. Mason 1928-7-11 4894 Sonoma 2 mi n of Fort Ross Comment
  UC634742  Rhododendron macrophyllum H. L. Mason 1928-7-11 4896 Sonoma 2 mi n of Fort Ross Comment
  SEINET11996123  Rhododendron macrophyllum F. H. Utech 1988-1 88 -217 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  UC22146  Rhododendron occidentale W. H. Brewer 1861-11-9 859 Sonoma nw of Mount St. Helena 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
  CAS-BOT-BC200335  Rhododendron occidentale var. occidentale Peter Rubtzoff 1960-6-11 4502 Sonoma Laguna de Santa Rosa area east of Graton, betw. Occidental and Guerneville rds. Comment
  CAS-BOT-BC200340  Rhododendron occidentale var. occidentale Peter Rubtzoff; Nancy Harrison 1978-6-11 9210 Sonoma Cunningham Marsh area. On north side of Blucher Creek valley Comment
  CAS-BOT-BC200348  Rhododendron occidentale var. occidentale Peter Rubtzoff 1959-6-7 4106 Sonoma Bank of Russian River betw. East Guernewood and Vacation Beach, near Guerneville Comment
  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
  CHSC114305  Rhododendron occidentale var. occidentale G. F. Hrusa 1989-5-8 7006 Sonoma North Coast Ranges. Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  RSA787919  Rhododendron occidentale var. occidentale G. Fred Hrusa 1989-5-8 6091 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CAS-BOT-BC111870  Rhynchospora alba Peter Rubtzoff 1951-6-16 252 Sonoma Pitkin Marsh: Uppermost part of the western branch of the Upper Marsh Comment
  UCD141229  Rhynchospora alba John Thomas Howell 1945-7-18 21325 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC350939  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC111906  Rhynchospora capitellata Peter Rubtzoff 1951-6-16 253 Sonoma Pitkin Marsh; uppermost part of the western branch of the Upper Marsh. Comment
  RSA90514  Rhynchospora capitellata Milo S. Baker 1945-7-18 11117 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111915  Rhynchospora globularis Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  RSA90511  Rhynchospora globularis var. recognita M. S. Baker 1945-7-18 11111 Sonoma Pitkin Marsh, upper meadow. Comment
  CAS-BOT-BC111926  Rhynchospora recognita John Thomas Howell 1947-6-26 23313 Sonoma Cunningham Marsh Comment
  UC70558  Ribes californicum Bioletti 1894-1 Sonoma Hoods Peak Comment
  UC353918  Ribes californicum Milo S. Baker 1928-2-18 2598 Sonoma nw Co<o?>per's Grove 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-BC168995  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1955-4-30 1803 Sonoma Forestville Marsh Comment
  RSA0025035  Ribes divaricatum var. pubiflorum J. C. Roos 1939-4-1 312 Sonoma Hood Peak Range west of Calistoga. Comment
  UC75450  Ribes menziesii Milo S. Baker 1898-4-5 Sonoma between Sea View and Stewarts Point (Coast Road) Comment
  UC1299687  Ribes roezlii Freed W. Hoffman 1947-3-6 808 Sonoma near Guerneville (road to McCray Cabin, headwaters of Gilliam Creek); North Coast Ranges Comment
  UC75476  Ribes roezlii var. cruentum Milo S. Baker 1899-2-22 755 Sonoma near summit Mt. Hood Comment
  SEINET5660524 Image available Ribes victoris Paul M. McKenzie, Lowell E. Urbatsch; Annette Parker; Karla Wilzer 1971-1 176 Sonoma On North slope near construction site; ca. 8 miles west of Geyserville on Stewarts Point--Skaggs Springs Roads.; Stewarts Point Comment
  CAS-BOT-BC74709  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  RSA0025116  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC152673  Rosa californica L. R. Abrams 1916-7-4 5782 Sonoma Road between Petrified Forest and Mark West Co. Comment
  UCD113833  Rosa californica C. Wistrom 1996-5-26 28 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  SEINET10964993  Rosa californica Walter H. Lewis, Barbara J. Ertter 2005-2-8 Lewis 15909 Sonoma Grizzly Island Rd, 0.5 mi S of bridge across Montezuma Slough at Belden's Landing; forming hedge along road for some distance with standing water on the other side. Comment
  CAS-BOT-BC148196  Rosa rubiginosa Mary P. Wells 1985-9-13 653 Sonoma Field on ridge, east of Timber Ridge Road and north of Spring Meadow Road. The Sea Ranch Comment
  CAS-BOT-BC361345  Rosa spithamea Greg de Nevers 1997-4-24 10967 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC262790  Rubus Peter Rubtzoff 1955-5-14 1853 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  CAS-BOT-BC262810  Rubus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC262823  Rubus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  UCD113551  Rubus armeniacus Frederica Bowcutt 1994-5-21 1836 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. On side of hillside trail past junction with Digger Pine Trail approximately 1 mile. 411 Comment
  UC12954  Rubus leucodermis J. Burtt Davy July 1896 Sonoma near Guerneville; near Guerneville Comment
  UCR282050  Rubus ursinus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh 15 Comment
  CAS-BOT-BC157172  Rubus ursinus Alice S. M. McKenzie 1981-2-12 15 A Sonoma Calif. State Hwy. 1, marker 44.55 Comment
  RSA0051277  Rumex Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 100 Comment
  CAS-BOT-BC422236  Rumex acetosella John H. Thomas 1976-6-16 18258 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD101060  Rumex acetosella Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 72 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  CAS-BOT-BC421580  Rumex crassus Mary P. Wells 1982-7-5 s.n. Sonoma Salmon Beach Parking Lot Comment
  CAS-BOT-BC166800  Rumex fueginus Peter Rubtzoff 1962-9-30 5097 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC164690  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1479 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC433696  Rumex obtusifolius Peter Rubtzoff 1987-7-18 9800 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road. Comment
  CAS-BOT-BC173642  Rumex obtusifolius Peter Rubtzoff 1962-9-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC433742  Rumex occidentalis Mary P. Wells 1987-7-23 900 Sonoma Within fork of north creek south of Pacific Reach. The Sea Ranch. Comment
  CAS-BOT-BC433846  Rumex pulcher G. DeNevers 1981-5-30 1384 Sonoma Pepperwood Ranch. By Pippindale Pond. Comment
  UCD101469  Rumex pulcher M. Wiesendanger 1927-5-5 708 Sonoma location unknown. Comment
  UCD148429  Rumex pulcher Peter Rubtzoff 1961-8-22 4689 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC433868  Rumex salicifolius John Thomas Howell 1957-10-12 32997 Sonoma About 1 mi. sw. of Sonoma Comment
  UCD92344  Rytidosperma penicillatum Mary M. Hektner; Cathy hendel, Sue Dakuzaku 1974-6-24 68 Sonoma Unit 1 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC249312  Sagina Peter Rubtzoff 1960-5-18 4377 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC445690  Sagittaria cuneata Peter Rubtzoff 1963-6-6 5159 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445698  Sagittaria cuneata Peter Rubtzoff 1963-7-27 5211 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445779  Sagittaria latifolia Peter Rubtzoff 1958-7-26 3814 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  SEINET3895885  Sagittaria latifolia Lewis S. Rose 1960-9-14 60091 Sonoma Laguna de Santa Rosa 2 mi. e. of Graton.; 0 15 Comment
  CAS-BOT-BC157666  Salicornia Peter Rubtzoff 1963-8-17 5222 Sonoma Petaluma Creek just east of Petaluma. Comment
  UC1191412  Salicornia europaea Herbert L. Mason 1946-7-29 12956 -A Sonoma 0.5 mi n Sears Point Comment
  CAS-BOT-BC126265  Salix X sepulcralis W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road, six miles from Petaluma Comment
  CAS-BOT-BC103082  Salix bonplandiana M. S. Baker 1930-4-11 3946 Sonoma Banks of Santa Rosa Creek Comment
  RSA534607  Salix bonplandiana Peter Rubtzoff 1960-5-29 4421 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  CAS-BOT-BC103945  Salix exigua Peter Rubtzoff 1969-8-29 6179 Sonoma Pond ca. 3 mi. west of Fulton on River Road Comment
  RSA129737  Salix exigua H. S. Yates 1934-4-21 3818 Sonoma Near Monte Rio. 61 Comment
  RSA534508  Salix exigua Peter Rubtzoff 1954-7-4 1531 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC103843  Salix exigua subsp. melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC107756  Salix hindsiana G. De Nevers 1981-5-20 1236 Sonoma Pepperwood Ranch - along Leslie Creek, 100 m above confluence with Mark West Creek Comment
  SEINET10393209  Salix laevigata A. A. Heller 1902-4-23 5348 Sonoma Near Sonoma. Comment
  HSC19980  Salix lasiandra R. Spellenberg, A. Sylvester, D. Sutherland 1966-3-26 1339 Sonoma Along Sulphur Creek, 7 mi. W of Big Geysers Comment
  CAS-BOT-BC128054  Salix lasiandra var. lasiandra Peter Rubtzoff 1962-5-5 4806 Sonoma Fife Creek Marsh, open bank of Fife Creek - Sonoma County Marshes Comment
  CAS-BOT-BC128063  Salix lasiandra var. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CHSC118273  Salix lasiolepis Barbara L. Wilson 2015-9-22 18818 Sonoma Santa Rosa, Howarth Lake. 71 Comment
  RSA94337  Salix lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma S of the Upper Marsh. Comment
  CAS-BOT-BC128314  Salix lasiolepis var. lasiolepis Ida Geary 1979-6-2 s.n. Sonoma Warm Springs Dam Comment
  UC453089  Salix melanopsis W. A. Setchell 1931-7-25 9 Sonoma Russian R. at Bohemian Grove near Monte Rio; Russian R. Comment
  CAS-BOT-BC126179  Salix scouleriana Peter Rubtzoff; J. E. Eckenwalder 1973-10-3 7332 Sonoma 0.75 mi northwest of Freestone Comment
  RSA13573  Salix scouleriana W. A. Setchell 1934-7-10 9 Sonoma Ridge Highway. Above Fort Ross. Comment
  SD881  Salix scouleriana Baker, Ball, Bracelin, Crum 1931-5-9 342 Sonoma Two km east of Occidental, on Occidental Grade, arroyo bank Comment
  UC524793  Salix scouleriana W. A. Setchell 1934-7-10 9 Sonoma Ridge Hwy. above Fort Ross Comment
  CAS-BOT-BC126185  Salix scouleriana W. W. Schneebeli 1963-7-1 s.n. Sonoma Joy Grade Road on Fathergill Ranch west of Occidental Comment
  CAS-BOT-BC128943  Salix sitchensis Peter Rubtzoff 1958-8-30 3945 Sonoma Betw. East Guernewood and Vacation Beach, nr. Guerneville. Along the water line of the Russian River Comment
  JEPS46299  Salix sitchensis Eleanor Armstrong 1933-4-15 749 Sonoma small creek Bodega Bay 6 Comment
  LA208588  Salix sitchensis Baker; Ball, Crum 1931-5-9 344 Sonoma ca. 2 km. E of Bodega Bay Comment
  SBBG57996  Salix sitchensis M. S. Baker, C. R. Ball, Mrs. H. P. Bracelin, E. Crum 1931-5-9 344 Sonoma ca. 2 km E of Bodega Bay Comment
  SD892  Salix sitchensis Carleton R. Ball, Bracelin, Parks & Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km northwest of Calistoga Comment
  UC453080  Salix sitchensis W. A. Setchell 1931-7-25 2 Sonoma bank of Russian R. at Bohemian Grove near Monte Rio; Russian R. Comment
  UC482106  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 35 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC524782  Salix sitchensis W. A. Setchell 1934-7-10 2 Sonoma opposite C. Call's house Fort Ross (Coast Hwy.) 30 Comment
  SBBG28794  Salix sitchensis M. S. Baker 1941-10-10 10179 Sonoma Mark West Crk, Spring Mtn Rd, ca. 1 mi E of Alpine School House Comment
  CAS-BOT-BC225208  Salvia sonomensis Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC225213  Salvia sonomensis A. A. Heller; H. E. Brown 1902-3-31 5193 Sonoma Mt. Hood Comment
  CAS-BOT-BC225220  Salvia sonomensis Mrs. C. A. Burlingame 1921-5-30 s.n. Sonoma Sonoma Comment
  CDA10856  Salvia sonomensis G. F. Hrusa, G. L. Stebbins 1994-4-8 11732 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  CDA132  Salvia sonomensis D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .279 Sonoma Cavedale Rd. Comment
  OBI48690  Salvia sonomensis Michener & Bioletti, Bioletti June1893 s.n. Sonoma Hoods Peak Comment
  SEINET12327819  Salvia sonomensis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -099 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  UCSB5819  Salvia sonomensis Keator, Glenn 1959-4-2 Sonoma 2.5 miles east on Cavedale road; 3.6 miles from Agua Caliente Comment
  UCSB15938  Sambucus nigra subsp. caerulea 1962-6-6 Sonoma Along State Highway 128, 0.9 mile northwest of U.S. Highway 101 at Cloverdale 106 Comment
  CDA3952  Sanguisorba minor subsp. muricata T. C. Fuller 1965-11-9 14270 Sonoma Redwood Highway 101, 5 miles north of Healdsburg. 0 Comment
  RSA302186  Sanicula arctopoides James R. Sherock 1971-1-30 628 Sonoma Along Highway 1; Coastal Bluffs. Comment
  CAS-BOT-BC223343  Sanicula bipinnatifida Alice Eastwood 1921-5-8 10438 Sonoma Petaluma Comment
  JEPS77263  Sanicula bipinnatifida Robert M. Lloyd 1963-4-24 2400 Sonoma 16.5 mi from State Hwy (on road to Oakdale) 274 Comment
  POM82758  Sanicula crassicaulis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UCD128076  Sanicula crassicaulis M. Wiesendanger 1927-5-5 733 Sonoma Kenwood Springs. Comment
  HSC100945  Sanicula tuberosa Peter Warner, Patricia Chan 2011-3-12 181 Sonoma Annadel State Park, Canyon Trail, ~200 m upslope from 'big bend' in trail, near Woodview Drive. 176 Comment
  UCD166486  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  UCR244592  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma Banks of Russian River, 6 mi east of Guerneville 18 Comment
  JEPS82982  Saxifraga californica Patrick Elvander 1982-3-27 1021 Sonoma 2.2 mi on road to Sugarloaf State Park (from Hwy 12, 7 mi e of Santa Rosa) Comment
  POM142248  Saxifraga mertensiana Jos. Burtt Davy 1896-3-14 1667 Sonoma [Unspecified] Comment
  RSA41967  Saxifraga mertensiana Ella Dales Cantelow 1936-4-5 1216 Sonoma Grade W of Cazadero. 154 Comment
  UC11812  Saxifraga mertensiana J. Burtt Davy 1896-3-14 1667 Sonoma Austin Creek Comment
  UC58233  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma near Cazadero Comment
  UCD128133  Scandix pecten-veneris Robert F. Thorne 1965-4-19 34262 Sonoma Cotati, Waters Ranch. 30 Comment
  CAS-BOT-BC283141  Schedonorus arundinaceus G. De Nevers 1981-5-30 1387 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC283148  Schedonorus arundinaceus David L. Morgan 1956-5-18 s.n. Sonoma 5.4 miles south of Santa Rosa city limits on Hwy. #12 Comment
  CAS-BOT-BC422351  Schedonorus arundinaceus Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC111397  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1951-7-7 383 Sonoma Eastern branch of the Upper Marsh in the open on damp ground. Comment
  CAS-BOT-BC111439  Schoenoplectus acutus var. occidentalis Adolph Daniel Edward Elmer 1903-7-1 4940 Sonoma Vallejo Comment
  CAS-BOT-BC111535  Schoenoplectus americanus Peter Rubtzoff 1973-9-9 7319 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC111632  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh; freshwater part. Comment
  RSA227226  Schoenoplectus fluviatilis Peter Rubtzoff 1962-7-6 4978 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  RSA0020332  Schoenoplectus maritimus Peter Rubtzoff 1961-9-20 4750 Sonoma Bodega Harbor Marsh. Comment
  RSA0009471  Schoenoplectus pungens Marcus E. Jones 1882-7-18 3526 Sonoma Duncan Mills. Comment
  CAS-BOT-BC111800  Schoenoplectus pungens var. badius Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  SEINET11750297  Schoenoplectus tabernaemontani W. Knight, Knight, I. 1984-1 5427 Sonoma Willow Cr. Road 61 Comment
  CDA16375  Scirpus cernuus G. F. Hrusa 2000-11-13 15718 Sonoma Kortum trail head to Goat Rock. 0 Comment
  UC1254996  Scirpus cernuus Alan A. Beetle 1941-7-8 2854 Sonoma coastal bluffs 5 mi n Steward Point; n of Steward Point Comment
  UCR249061  Scirpus maritimus Peter Rubtzoff 1954-8-6 2021 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC111116  Scirpus microcarpus Peter Rubtzoff 1955-8-20 2070 Sonoma Bodega Harbor Marsh. Open damp sandy ground bordering the marsh. Comment
  CAS-BOT-BC111105  Scirpus microcarpus Peter Rubtzoff 1951-6-10 207 Sonoma A marshy opening south of the Upper Marsh Comment
  SEINET12057693  Scoliopus bigelovii F. H. Utech 1990-5-6 s.n. Sonoma Camp Meeker study site Comment
  RSA54039  Scribneria bolanderi J. T. Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente. Comment
  UC972188  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma about 1/4 mi n of Caliente (e side of Highway 12); Highway 12 Comment
  CAS-BOT-BC320539  Scrophularia californica Peter Rubtzoff 1954-8-11 1690 Sonoma Guerneville Marsh. Comment
  JEPS128174  Scrophularia californica Roger Raiche 2001-5-29 041 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET12332455  Scrophularia californica F. H. Utech 1988-1 88 -224 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  CDA40963  Scutellaria antirrhinoides T. C. Fuller 1958-5-24 4017 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  UCD151191  Scutellaria californica James A. Neilson Jr. 1974-7-10 2846 Sonoma Mayacmas Mountains, west side of Cobb Mountain, along road to PG and E geothermal units 9 and 10 at the Geysers. (Elevation estimated using a topo map by label maker.) 960 Comment
  CAS-BOT-BC361363  Scutellaria tuberosa Greg de Nevers 1997-4-16 10933 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UC764995  Sedum radiatum R. F. Hoover 1938-6-14 3608 Sonoma on road to Occidental 2 mi w Graton; w of Graton Comment
  UCD102068  Sedum spathulifolium Winifred Anderson 1966-5-7 21 Sonoma Pine Flat Road, 10 miles east of Healdsburg. 182 Comment
  CDA17204  Selaginella wallacei G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16203 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  CDA31297  Selaginella wallacei D. G. Kelch 2010-5-3 10 .188 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC363276  Senecio aronicoides Alice Eastwood 1918-5-1 6868 Sonoma Mt. St. Helena 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
  UCD135499  Senecio glomeratus P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD135597  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental. Comment
  UC254  Sequoia sempervirens M. Louise Douglass 1898-4-19 Sonoma Glen Ellen Comment
  YM-YOSE15452  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 miles South of Santa Rosa in Bennet Valley Comment
  CAS-BOT-BC290628  Sidalcea Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  UCR275239  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma North Coast Range, east side of Hwy 12, c. 0.75 mile south of Kenwood (0.9 mile south of Warm Springs Road junction) 127 Comment
  UCR275254  Sidalcea Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UCR275255  Sidalcea Peter Rubtzoff 1971-6-5 6509 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  SEINET7042401  Sidalcea diploscypha A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  SEINET7042678  Sidalcea diploscypha A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  RSA448573  Sidalcea hartwegii Cora Mae Life 1924-3-23 14601 Sonoma Petaluma. Comment
  RSA87995  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19584 Sonoma 1 mile N. of Ft Ross. Comment
  JEPS67239  Sidalcea malviflora subsp. laciniata W. L. Jepson 1921-5-6 9191 Sonoma Sonoma Valley Comment
  CAS-BOT-BC213165  Sidalcea oregana subsp. valida Peter Rubtzoff 1973-9-9 7312 Sonoma Kenwood Marsh Comment
  UC1013153  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 19638 Sonoma about 1/4 mi w Kenwood (Kenwood Marsh); w of Kenwood, Kenwood Marsh Comment
  CAS-BOT-BC311804  Silene Peter Rubtzoff 1974-5-18 7417 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD166326  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  UC1299501  Silene californica Freed W. Hoffman 1947-5-30 554 Sonoma Layton Mine North Coast Ranges, , Layton Mine (Austin Creek) Comment
  UC1541415  Silene californica H. E. and S. T. Parks 1930-5-10 840 Sonoma Knights Valley 152 Comment
  UC1084461  Silene gallica G. Thomas Robbins 1937-6-5 224 Sonoma about 10 mi w Santa Rosa (Pitkin Ranch, Vine Hill region); Vine Hill Region, w of Santa Rosa, Pitkin Ranch Comment
  UCR253372  Silene gallica Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, c. 0.5 mile upstream from Hwy #1 3 Comment
  CAS-BOT-BC392491  Silene gallica John H. Thomas 1976-6-16 18229 A Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC392498  Silene gallica A. A. Heller 1902-6-10 s.n. Sonoma Santa Rosa Comment
  SEINET11935783  Silene gallica P. G. Connors 1991-1 Sonoma Bodega Marine Reserve 9 Comment
  SEINET4855742  Silene grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  UCSB15933  Silene laciniata subsp. californica Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128; 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC389219  Silene laciniata subsp. californica C. F. Leitholt 1893-6-1 s.n. Sonoma Sonoma Mt Comment
  SD38223  Silybum marianum Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay Comment
  CAS-BOT-BC164411  Solanum Peter Rubtzoff 1962-7-14 4991 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC164423  Solanum Peter Rubtzoff 1962-9-9 5079 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC164709  Solanum Peter Rubtzoff 1954-7-27 1577 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC166967  Solanum Peter Rubtzoff 1956-9-16 2930 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164027  Solanum Peter Rubtzoff 1961-8-22 4685 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC344888  Solidago Peter Rubtzoff 1961-10-18 4766 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC376420  Solidago Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  CAS-BOT-BC365583  Solidago elongata Peter Rubtzoff 1951-9-2 716 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  SEINET11807811  Solidago occidentalis W. Knight, Wagnon, K. 1987-1 6106 Sonoma Willow Brook, N of Petaluma Comment
  CAS-BOT-BC365259  Solidago velutina subsp. californica Peter Rubtzoff 1951-9-15 749 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC365270  Solidago velutina subsp. californica Walter Knight; Irja Knight; Tiffany Knight; S. W. Edwards 1985-7-21 6357 Sonoma Pine Flat Road 304 Comment
  UCD159447  Solidago velutina subsp. californica D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 204 Sonoma Hill near W Shore Rd. Overlooking Campbell Cove. 29 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-BC365957  Soliva sessilis G. DeNevers 1981-4-30 888 Sonoma Pepperwood Ranch. At Pippindale Garden. Also at Garrison House Comment
  CAS-BOT-BC365961  Soliva sessilis Catherine Best 1984-4-22 930 Sonoma At the Buena Vista Winery about 1 mile south of Sonoma Comment
  POM51894  Soliva sessilis Katherine Brandegee 1905-07 s.n. Sonoma Bodega. Comment
  CAS-BOT-BC235357  Sorghum X drummondii David L. Morgan 1956-7-29 s.n. Sonoma At junction of Petaluma-Vy. Ford Rd. and Smith Rd. Comment
  POM232058  Sparganium erectum subsp. stoloniferum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  UC1224629  Spartium junceum J. H. Thomas 1964-6-28 10439 Sonoma near Petrified Forest between Calistoga and Santa Rosa Comment
  SEINET7420494  Spartium junceum J. Landers 1974-9-28 s.n. Sonoma 5 miles west of Rio Nido. 91 Comment
  CAS-BOT-BC390051  Spergula arvensis Walter Knight; Irja Knight 1963-12-25 432 Sonoma Magnolia & Marshall Aves. Comment
  CAS-BOT-BC251260  Spergularia Peter Rubtzoff 1954-7-3 1519 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC320524  Spergularia Peter Rubtzoff 1974-6-9 7588 Sonoma Upper Green Valley Marsh. Comment
  RSA0022422  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing. Comment
  UCD99212  Spergularia macrotheca Michael Fleschner 1965-5-1 8 - Sonoma University Marine Laboratory, Horsehoe Cove, Bodega Head. Comment
  CAS-BOT-BC500697  Stachys Peter Rubtzoff 1958-7-5 3737 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC502056  Stachys Peter Rubtzoff 1965-10-10 5658 Sonoma Bodega Head Marsh Comment
  UCLA71594  Stachys ajugoides var. ajugoides C. Epling, Wm. Robison 1935-7-28 Sonoma Shellville Comment
  JEPS78950  Stachys ajugoides var. rigida Edward Lee 1936-6-8 2220 Sonoma grounds near entrance Bohemian Grove Comment
  UC884281  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  UCD125541  Stachys chamissonis Frederica Bowcutt 1984-6-24 437 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg . W of Hwy 1. N of Gerstle Cove along creek. 15 Comment
  SEINET9365554  Stachys rigida Unknown 1994-5-25 Sonoma Bodega Head East Comment
  RSA293432  Stachys rigida subsp. quercetorum Reino Alava 1958-5-24 2065 Sonoma About one mile from Graton on the road from Graton to Occidental. Comment
  SBBG129328  Stachys rigida var. quercetorum G. K. Helmkamp, E. A. Helmkamp 2010-6-5 16246 Sonoma Vellutini Rd, 1.3 mi NW of its junctin with Martinelli Rd, 3.5 air mi ESE (98 deg) of Guerneville 44 Comment
  UCD125568  Stachys rigida var. quercetorum Frederica Bowcutt 1994-5-21 1807 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 2.5 air miles NE of Kenwood. Along the Meadow Trail, about 0.25 mile from the trail head. 396 Comment
  CAS-BOT-BC361391  Stachys stricta Greg de Nevers 1993-8-8 10487 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa at Upper Skovie Spring (below Rd. T) 400 Comment
  RSA0062827  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UC25954 Image available Stachys stricta J. Burtt Davy 1894-6-18 Sonoma Knight's Valley; ; Knight's Valley, Sonoma Co. Comment
  CAS-BOT-BC251268  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC175334  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-6-30 307 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  UC136315  Stellaria littoralis Alice Eastwood Jun 1899 Sonoma Bodega Point Comment
  CAS-BOT-BC293753  Stellaria media Peter Rubtzoff 1960-5-18 4380 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC397773  Stellaria media Peter Rubtzoff 1952-5-31 1116 Sonoma Pitkin Marsh, near Forestville; Thickets south of the Upper Marsh. Comment
  UC1394178  Stephanomeria elata L. D. Gottlieb 1966-8-5 66115 Sonoma 0.5 mi e junction with Cavedale Road (on Triniti Road) 548 Comment
  JEPS128256  Stephanomeria virgata Roger Raiche 2000-9-2 150 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC61220  Streptanthus brachiatus Helen K. Sharsmith 1952-6-18 4129 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown Road. Mayacamas Mountains. 975 Comment
  UC956618  Streptanthus brachiatus subsp. brachiatus Freed W. Hoffman 1949-7-6 2871 Sonoma e. Pine Flat (ridge near contact Mine, on Sonoma-Lake co. line); North Coast Ranges 914 Comment
  UCR67076  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  UC72933  Streptanthus glandulosus subsp. glandulosus Milo S. Baker 1898-6-12 646 Sonoma Geyer Road Geyser Canyon Comment
  CAS-BOT-BC87234  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-4 6178 Sonoma Santa Rosa Canyon, north of Mount Hood. Comment
  UC1492788  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3395 Sonoma headwaters of East Austin Creek North Coast Ranges, The Island Comment
  UC1492791  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-16 2346 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  UC985955  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-18 1062 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  CAS-BOT-BC87289  Streptanthus glandulosus subsp. secundus Milo S. Baker 1932-5-8 5916 Sonoma Salt Point, 5 miles north of Fort Ross. Comment
  UC1292747  Streptanthus glandulosus subsp. secundus Freed W. Hoffman Apr 1948 2701 Sonoma near Guerneville (Gabes Rock); North Coast Ranges Comment
  UC1292749  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-25 2909 Sonoma Hart Hill gate on road from Cazadero along Morhardt Ridge to Happy Hills Farm North Coast Ranges 441 Comment
  JEPS82296  Streptanthus morrisonii Roger Raiche 1983-7-4 30472 Sonoma above Gilliam Creek; East Austin Creek State Recreational Area, Morrison Ridge 304 Comment
  UCD167022  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UCD167452  Streptanthus morrisonii James Neilson 1983-6-13 4099 Sonoma East Austin Creek. (On the same date Neilson was in the upper reaches of East Austin Creek. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC258036  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD166202  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  UCD166492  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  SD40154  Symphyotrichum ascendens Edith A. Purer 1932-7-24 4070 Sonoma Near Bodega Bay; roadside in Santa Rosa CaA'on. Comment
  UC29832  Symphyotrichum chilense Alice King 1896-9-1 Sonoma Healdsburg Comment
  CAS-BOT-BC97835  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  UCD136523  Symphyotrichum chilense Mary M. Hektner; Cathy Hendel 1974-7-20 155 Sonoma roadside at junction of Whalebone Reach and State Highway 1, Sea Ranch, Unit 28 Owners' Map. Comment
  CAS-BOT-BC99377  Symphyotrichum subspicatum Peter Rubtzoff 1951-9-15 768 Sonoma Lower part of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  CDA16157  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15078 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
Read comments
Jul 28 2008
  UCD166140  Taraxia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC366874  Thalictrum polycarpum Greg de Nevers 1998-4-27 11200 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC399887  Thalictrum polycarpum Greg de Nevers 1996-4-21 10796 A Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC66806  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10933 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66825  Thysanocarpus curvipes P. B. Kennedy 1920-5-29 s.n. Sonoma Russian River. Comment
  POM182665  Thysanocarpus curvipes var. curvipes D. D. Keck 1931-4-4 1098 Sonoma Santa Rosa Creek Canyon 225 Comment
  CHSC22759  Thysanocarpus curvipes var. elegans Robert A. Schlising 1962-3-31 2125 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UCD151188  Thysanocarpus laciniatus James A. Neilson Jr. 1974-4-17 2892 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC67332  Thysanocarpus radians A. A. Heller; H. E. Brown 1902-4-8 5223 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC609293  Thysanocarpus radians Milo S. Baker 1934-3-27 7580 Sonoma Vernal pool by Bennett Valley road se Santa Rosa; se of Santa Rosa Comment
  CAS-BOT-BC67337  Thysanocarpus radians John Thomas Howell 1934-3-27 11804 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa. Comment
  UC11051  Thysanocarpus radians Alice Eastwood 1900-4-7 Sonoma Altruria 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
  POM14823  Tonella tenella A. A. Heller, H. E. Brown 1902-4-4 5217 Sonoma Hills east of Santa Rosa Comment
  UCD128162  Torilis arvensis G. F. Hrusa; R. Gross 1999-6-12 15077 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  SEINET5850106 Image available Torilis arvensis Robert A. Norris, John L. Inase, Allen Nakagwa 1981-1 4205 Sonoma Local in dry ditch by Trenton Rd., just S of and paralleling River Rd., (near N part of Laguna de Santa Rosa), approx. halfway between Guerneville and Santa Rosa, Sonoma Co. Calif. 15 Comment
  RSA257027  Torreya californica G. D. Wallace 1973-7-10 1239 Sonoma Along the coast Highway 1, just south of Salt Point and north of Fort Ross Comment
  UCD93173  Torreyochloa pallida var. pauciflora A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3582 Sonoma on Occidental Road near Barstow Station. Comment
  UCD93245  Torreyochloa pallida var. pauciflora H. S. Yates 1936-6-16 5590 Sonoma 2 miles SE of Forestville. 30 Comment
  SEINET7295150 Image available Torreyochloa pallida var. pauciflora A. S. Hitchcock 1908-1 2702 Sonoma Sherwood Comment
  CAS-BOT-BC169261  Toxicodendron diversilobum Alice Eastwood 1922-5-4 11256 Sonoma Calistoga Comment
  SEINET9328465  Toxicodendron diversilobum Unknown 1974-4-29 1783 Sonoma Creek at south edge of vineyard, Asti Road ca. 1 mile south of Washington School Road, Asti, Sonoma County. S3, T10N, R10W MD. Botany 102, Botany Department, University of California, Davis. Comment
  JEPS128209  Toxicoscordion fremontii Roger Raiche 2000-5-5 095 .00 Sonoma The Cedars. Danfield Creek drainage near crest with Pepperwood Creek; topographic peak 2061. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC157684  Tragopogon Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7807 Sonoma Kenwood Marsh. Comment
  OBI49194  Tragopogon porrifolius Sonoma 1935-5-13 9268 Sonoma 3 mi W Santa Rosa on Sebastopol rd Comment
  UC1299469  Trichostema laxum Freed W. Hoffman 1946-8-14 787 Sonoma serpentine island E of Camp Meeker; North Coast Ranges Comment
  SEINET11995244  Trientalis latifolia F. H. Utech 1988-1 88 -207 Sonoma 6 mi W of Coleman Valley Road on Willow Creek Road, along Willow Creek 40 Comment
  CAS-BOT-BC166757  Trifolium Peter Rubtzoff 1974-5-26 7486 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166926  Trifolium Peter Rubtzoff; Tim Tunison 1976-6-5 8587 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC173538  Trifolium Peter Rubtzoff 1974-5-26 7485 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784988  Trifolium Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784991  Trifolium Peter Rubtzoff 1974-5-18 7427 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCSC010634  Trifolium R. Morgan 2014-5-12 5637 c Sonoma Bodega Head Comment
  UCD107340  Trifolium albopurpureum Botany 102 Students 1993-5-8 242 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  UCSC011038  Trifolium appendiculatum R. Morgan 2005-5-14 4423 C Sonoma Originally from one or two plants in Santa Rosa Comment
  UCSC011164  Trifolium appendiculatum R. Morgan 2005-5-14 4423 D Sonoma Originally from one or two plants in Santa Rosa Comment
  UCD165149  Trifolium barbigerum Peter Rubtzoff 1974-5-18 7427 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS117087  Trifolium barbigerum Peter Warner 2010-4-15 130 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. Extension), approx. 1 km N of Jenner village, in ultramafic grassland about 25 m E of road. Comment
  UCD165157  Trifolium barbigerum Peter Rubtzoff 1974-5-19 7441 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  SEINET7067270  Trifolium barbigerum var. andrewsii A. G. Vestal 1947-5-13 s.n. Sonoma About 1.6 miles east of Annaplis on the Annapolis Road. Coordinate datum: NAD27. UTM 10, 425816mE, 4285229mN. Comment
  UCD35303  Trifolium depauperatum Beecher Crampton 1955-4-5 2408 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  LA205212  Trifolium depauperatum var. truncatum M. S. Baker; May 1935 8077 Sonoma Bennett Valley Road, 0.5 mi. E of Santa Rosa Fair Grounds Comment
  UCSC000424  Trifolium dichotomum Charisse Bickford 1979-4-20 s.n. Sonoma Cloverdale Comment
  RSA0079933  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Double Ponds and Turtle Pond. 100 Comment
  UCR254855  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley Marsh on Bavarian Lion Ranch 197 Comment
  UCD109024  Trifolium fucatum P. B. Kennedy 1929-5-24 10295 Sonoma Between Cazadera and Seaview. Comment
  CAS-BOT-BC361338  Trifolium microcephalum Greg de Nevers 1997-4-24 10976 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC16619  Trifolium microcephalum H. N. Bolander 1864-1 3852 Sonoma Russian River Bed Comment
  UC631549  Trifolium microcephalum P. B. Kennedy 1915-5-31 Sonoma Anapolis Comment
  UCR248354  Trifolium microcephalum Peter Rubtzoff 1983-8-28 9683 Sonoma Austin Creek, c. 0.5 mi. north of Hwy 116 on Cazadero Road 15 Comment
  RSA600824  Trifolium microdon Joseph A. Ewan 1935-5-13 9274 Sonoma 3 miles W of Santa Rosa: On road to Sebastopol.. Comment
Read comments
Jul 28 2008
  UC631590  Trifolium microdon P. B. Kennedy 1915-5-31 Sonoma along trails; Del Mar Comment
  UCD38484  Trifolium repens Beecher Crampton 1955-6-17 2936 Sonoma 1/2 mile south of Guerneville. Comment
  UCSC011035  Trifolium rostratum R. Morgan 1995-6-8 2752 Sonoma Petaluma, Field opposite Laguna Elementary School on Chileno Valley Road near Petaluma-Marshall Road Comment
  HSC100944  Trifolium subterraneum Peter Warner, Patricia Chan 2011-3-12 180 Sonoma Annadel State Park, Canyon Trail, 100 m NE of 'big bend' in trail, near Woodview Drive. 55 Comment
  UCD109496  Trifolium variegatum var. major Terri Williamson 1990-5-20 59 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  UCR142042  Trifolium willdenovii Beecher Crampton 1966-5-10 7722 Sonoma North Coast Ranges, about 2 miles west of Fulton along River Road, NW of Santa Rosa 30 Comment
  POM210216  Trifolium willdenovii H. E. Parks 1930-5-9 s.n. Sonoma Alexander Valley. Comment
  UC535099  Trifolium willdenovii H. E. Parks 1930-5-9 621 Sonoma edge of Alexander Valley Comment
  UC1541596  Trifolium wormskioldii H. E. and S. T. Parks 1930-5-9 603 Sonoma Knights Valley Comment
  UC16810  Trifolium wormskioldii J. Burtt Davy 1896-7-23 Sonoma May's Canyon Guerneville Comment
  CAS-BOT-BC451944  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay 1 Comment
  RSA169296  Triglochin maritima L. S. Rose 1964-6-3 64055 Sonoma N end of Bodega Bay. 2 Comment
  UC1134687  Trillium albidum E. Armstrong 1934-2-26 945 Sonoma Camp Meeker Sebastopol Quad., Camp Meeker Comment
  UC1239030  Triphysaria eriantha subsp. eriantha Freed W. Hoffman 1947-4-7 1914 Sonoma near Windsor; North Coast Ranges Comment
  UC27176  Triphysaria eriantha subsp. eriantha W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  UC27182  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Shellville Comment
  HSC26831  Triphysaria eriantha subsp. eriantha Thomas W. Nelson 1971-3-23 349 Sonoma 3 mi. S of Healdsburg Comment
  SBBG7054  Triphysaria eriantha subsp. eriantha H. and M. Dearing 1939-4-29 323 Sonoma N of San Raphael Comment
  UC1334890  Triphysaria eriantha subsp. rosea L. D. Thurman 1965-5-3 668 Sonoma Horseshoe cove on Bodega Head; Horseshoe cove n Bodega Head Comment
  CAS-BOT-BC376400  Triphysaria pusilla Greg de Nevers 1996-5-3 10796 C Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Trail to Franz Creek from Murry Gate. 400 Comment
  UCR256122  Triphysaria pusilla Greg de Nevers 1996-5-3 10796 C Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  SD130528  Triphysaria pusilla F. Almeda, G. DeNevers 1981-3-30 4890 Sonoma Pepperwood Ranch, SE facing slopes just west of the Redwood Canyon Comment
  JEPS66222  Triphysaria versicolor subsp. faucibarbata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6896 Sonoma Laguna de Santa Rosa e Graton; Laguna de Santa Rosa Comment
  OBI49266  Triphysaria versicolor subsp. faucibarbata Michener & Bioletti, Bioletti May 1892 s.n. Sonoma Shellville Comment
  HSC20863  Triphysaria versicolor subsp. faucibarbata R. F. Good 1962-4-20 25 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes, Sonoma Mtn. Coast Range 0 Comment
  SFV8312  Triphysaria versicolor subsp. faucibarbata R. R. Martin 1968-5-2 13 Sonoma Dry Creek Road, 5 miles north of Healdsburg. Comment
  CAS-BOT-BC200098  Trisetum canescens Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 9 miles east of Stewart's [Stewarts] Point Comment
  CAS-BOT-BC200102  Trisetum canescens G. DeNevers 1982-5-2 1973 Sonoma W arm of Garrison Canyon Comment
  CAS-BOT-BC200114  Trisetum canescens Peter Rubtzoff 1953-5-17 1378 Sonoma Vacation Beach, near Guerneville Comment
  UC651086  Trisetum canescens P. B. Kennedy June 1915 Sonoma Del Mar; n Sonoma County Comment
  UCD93600  Trisetum canescens P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD93590  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma Coast road near Bridgehaven. Comment
  UCD93632  Trisetum canescens R. Tofsrud 1941-4-1 156 Sonoma Rhododendron Park. Comment
  CAS-BOT-BC522369  Triteleia hyacinthina H. C. Cantelow 1935-4-14 751 Sonoma Unspecified Comment
  CAS-BOT-BC522372  Triteleia hyacinthina G. DeNevers 1981-5-23 1257 Sonoma Serpentine road cut at bottom of Franz Valley Road; Pepperwood Ranch Comment
  JEPS58042  Triteleia laxa W. L. Jepson 1918-6-23 7661 Sonoma Petrified Forest Comment
  CAS-BOT-BC527034  Triteleia laxa Dorothy Scherer 1997-5-20 116 Sonoma Ca. 25' north of Hwt 1 MM. 34.00 and 50' east, Fort Ross State Historic Park 38 Comment
  RSA173356  Triteleia laxa Walter Knight 1965-6-5 1116 Sonoma McDowell Road 1/2 mile from Casa Grande Road. Petaluma Comment
  CAS-BOT-BC527970  Triteleia peduncularis J. W. Congdon 1880-5-30 115 Sonoma Santa Rosa Comment
  CAS-BOT-BC527978  Triteleia peduncularis Peter Rubtzoff 1962-6-19 4924 Sonoma Occidental Marsh Comment
  OBI13414  Umbellularia californica Robert F. Hoover 1968-2-23 10894 Sonoma Graton-Occidental road Comment
  UCD67497  Umbellularia californica D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. Quercus wislizenii and Quercus kelloggii woodland; northern slopes. 430 Comment
  UCD138053  Umbellularia californica Caitlin Lewis; William Mutch 1993-4-17 18 Sonoma Sugarloaf Ridge State Park. About 40 miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  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
  CAS-BOT-BC403976  Urtica dioica subsp. gracilis Peter Rubtzoff 1974-9-8 7890 Sonoma Forest Hills, 5.5 miles east of Guerneville, south rim of Russian River canyon Comment
  CAS-BOT-BC404232  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-6-24 5386 Sonoma Coleman Marsh Comment
  CAS-BOT-BC193385  Vaccinium ovatum J. W. Congdon 1880-10-24 s.n. Sonoma Near Guerneville Comment
  UCD118081  Vaccinium ovatum Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-29 094 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC199474  Vaccinium parvifolium Mrs. H. P. Bracelin 1930-7-27 s.n. Sonoma One mile N. of Fort Ross Comment
  CAS-BOT-BC76170  Vancouveria planipetala Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  JEPS45856  Vancouveria planipetala Eleanor Armstrong 1932-5-18 475 Sonoma Camp Meeker 121 Comment
  SD58170  Vancouveria planipetala E. Van E. Ferguson 8-10 Jun 1919 248 Sonoma Near Gurnewood Comment
  UC104852  Verbena lasiostachys var. lasiostachys Alice Eastwood 1900-5-8 Sonoma Knight's Valley Comment
  CAS-BOT-BC164398  Veronica Peter Rubtzoff 1966-6-5 5757 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC376218  Veronica Greg de Nevers No date on label 10836 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC166808  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC177116  Veronica americana Peter Rubtzoff 1955-7-9 1939 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC269312  Veronica americana Peter Rubtzoff 1976-5-30 8559 Sonoma Kenwood Marsh. Comment
  UCD148401  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UC27729  Veronica peregrina subsp. xalapensis H. N. Bolander 1864-1 3872 Sonoma Mark West Comment
  CAS-BOT-BC267247  Viburnum ellipticum Greg de Nevers 1982-5-17 2012 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  CDA18772  Vicia gigantea Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
Read comments
Oct 17 2007
  CAS-BOT-BC361410  Vicia hirsuta Greg de Nevers 1997-5-8 10991 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Garrison Canyon 457 Comment
  UC73219  Vicia sativa Milo S. Baker 1898-5-7 596 Sonoma Glen Ellen Comment
  RSA51333  Vicia sativa Peter H. Raven 1950-4-6 1585 Sonoma Cotati to Santa Rosa Comment
  UC454617  Vicia sativa subsp. sativa I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCR254854  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Road [Occidental] 244 Comment
  UC1763362  Viola adunca Milo S. Baker 1898-3-15 5502 Sonoma near Sebastopol Comment
  UC581494  Viola adunca H. L. Mason 1928-4-8 4288 Sonoma 2 mi n of Fort Ross Comment
  CAS-BOT-BC270243  Viola adunca Walter Knight; Irja Knight 1964-2-27 536 Sonoma Highway 1, Rocky Point, coastal bluffs Comment
  UC1761828  Viola douglasii Mary Focht 1932-3-11 Sonoma Santa Rosa Country Club golf links Comment
  UC1762486  Viola lobata subsp. integrifolia Milo S. Baker 1942-6-11 10205 Sonoma Spring Mt. Rd. near Summit. 457 Comment
  JEPS50443  Viola ocellata Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC496480  Viola ocellata Merle Randall 1930-6-8 Sonoma Austin Creek; Cazadero, Austin Creek Comment
  UC455410  Viola sempervirens I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC1742250  Viola septentrionalis Milo S. Baker 1944-5-2 Sonoma Brookside Garden Comment
  CAS-BOT-BC135287  Viscum album Stanley Rose 1966-5-8 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CAS-BOT-BC135296  Viscum album William O. McCartney 1966-5-4 s.n. Sonoma in a residential property, NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  SEINET12230244  Viscum album W. O. McCartney 1966-1 s.n. Sonoma NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  SEINET3840829  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma Sacremento, 1220 Gravestein highway north at Hill Station road, one mile north of Sebastopol Comment
  CAS-BOT-BC203126  Vitis californica Peter Rubtzoff 1960-5-29 4423 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC385077  Vitis girdiana L. R. Abrams 1916-7-4 5799 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC199906  Vulpia bromoides Peter Rubtzoff 1955-6-4 1899 Sonoma Stony Point Marsh Comment
  UC1026478  Vulpia bromoides Peter Rubtzoff 1952-5-31 1095 Sonoma near Forestville (Pitkin Marsh, e branch of Upper Marsh); Pitkin Marsh, Upper Marsh 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
  UCD93565  Vulpia bromoides Peter Rubtzoff 1951-6-16 236 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC199915  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  SEINET5427986  Vulpia microstachys L. Koch 1940-4-22 835 Sonoma At Geysers in Sulfur Creek Canyon Comment
  UC1024768  Vulpia microstachys var. pauciflora Leo Whitney 1935-4-14 2260 Sonoma near Occidental (Blunden's pasture) Comment
  UC1146643  Vulpia microstachys var. pauciflora Freed W.