Search Results — 2000 specimen records retrieved (1263 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  RSA0025771  Abronia latifolia E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC371439  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Road at Mark West Springs Road 400 Comment
  CAS-BOT-BC177030  Acacia dealbata Catherine Best 1982-10-14 s.n. Sonoma On Trinity Road about 6 miles north-west of Sonoma Comment
  UC14111  Acaena pinnatifida var. californica Harley P. Chandler 1900-5-25 665 Sonoma Bodega Comment
  CAS-BOT-BC332751  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  CAS-BOT-BC332753  Acer macrophyllum Peter Rubtzoff 1980-5-26 9449 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCD117027  Acer macrophyllum G. F. Hrusa 1995-4-2 12051 Sonoma corner of Franz Valley School Road and Franz Valley Road. 200 Comment
  RSA785741  Acer macrophyllum Carrie A. Herd 1982-5-9 91 Sonoma Trinity Road; turnout; down hillside of road cut. Comment
  CAS-BOT-BC336941  Acer negundo var. californicum Peter Rubtzoff 1970-8-31 6347 Sonoma In thicket along sandy bank of Russian River at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC336943  Acer negundo var. californicum A. A. Heller; H. E. Brown 1902-4-15 5303 Sonoma Santa Rosa Creek Comment
  UC1084475  Acer negundo var. interior G. Thomas Robbins 1937-6-18 244 Sonoma Santa Rosa Santa Rosa Creek, Santa Rosa (bed of Santa Rosa Creek) Comment
  CAS-BOT-BC30081  Achillea millefolium Peter Rubtzoff 1952-6-10 1227 Sonoma Top of Fitch Mtn. near Healdsburg 304 Comment
  UCD151201  Achnatherum lemmonii James A. Neilson Jr. 1974-7-10 2818 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  SEINET3523218 Image available Acmispon aestivalis A. A. Heller 1938-8-11 15321 Sonoma Knights Valley, Oak Belt of Upper Sonoran Life Zone Comment
  UCD104294  Acmispon parviflorus P. G. Connors 1992-5-13 255 Sonoma At edge of vernal pool near entrance road to Bodega Dunes State Park. Comment
  UC635414  Actaea rubra H. L. Mason 1928-7-11 4891 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC29846  Adenocaulon bicolor Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC29849  Adenocaulon bicolor Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  UCD128525  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC139920  Adenostoma fasciculatum A. A. Heller 1902-6-23 5741 Sonoma Petrified Forest Comment
  CAS-BOT-BC139922  Adenostoma fasciculatum Walter Knight; Irja Knight 1963-12-27 462 Sonoma Summit, Pine Flat Rd. Comment
  UCD112602  Adenostoma fasciculatum Jennifer Bury; Peggy Herzog 1993-5-8 270 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center, 100 feet above parking lot, along Lower Bald Mountaing Trail. 402 Comment
  JEPS97818  Adiantum aleuticum R. Raiche and K. Zadnik 1981-1-12 Sonoma Willow Creek Rd. Comment
  UC903198  Adiantum aleuticum Ethel Crum 1930-7-27 823 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  UCSB40475  Adiantum aleuticum Takada, Brian 1978-5-28 Sonoma 20mi N of Bodego Bay on Hwy 1 Comment
  SEINET11719537  Adiantum jordanii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -273 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC9072  Aegilops triuncialis Mary P. Wells 1987-7-7 892 Sonoma Spring Lake Park, Santa Rosa Comment
  CAS-BOT-BC9074  Aegilops triuncialis Thomas C. Fuller 1960-6-14 4485 Sonoma James Black property, River Road, ca. 6 mi. E/Cloverdale Comment
  CDA1673  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  UCR254921  Aegilops triuncialis Greg de Nevers 1989-1 9066 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD51559  Aegilops triuncialis T. C. Fuller 1960-6-14 4484 Sonoma Weeks Ranch, Los Alamos Road, 8 miles NE/Santa Rosa. Comment
  SEINET1908065  Aesculus californica Lewis S. Rose 1968-1 58116 Sonoma Rincon Valley, Brush Creek, ne of Santa Rosa 122 Comment
  CAS-BOT-BC183  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC29573  Agoseris apargioides var. eastwoodiae John Thomas Howell 1930-6-8 5268 Sonoma North end of Bodega Bay Comment
  UC891242  Agoseris grandiflora var. grandiflora Alice Eastwood 1921-5-8 10481 Sonoma Petaluma Comment
  NY7042  Agoseris maritima A. Eastwood s.n. Sonoma Bodega Point. Comment
  UC1195633  Agrimonia gryposepala A. R. Kruckeberg 1948-6-6 1730 Sonoma w side Mt. St. Helena (bank of Briggs Creek at road crossing, Ida Clayton road); , Briggs Creek Comment
  CAS-BOT-BC451164  Agrimonia gryposepala Greg de Nevers 1991-7-20 9765 Sonoma Ida Clayton Road, at the big spring about 7 miles from Hwy 128 609 Comment
  CAS-BOT-BC176392  Agrostis Peter Rubtzoff 1967-8-22 5854 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC210015  Agrostis Peter Rubtzoff 1968-8-24 5933 Sonoma Upper Salmon Creek Marsh Comment
  RSA785753  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh. Comment
  RSA785930  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh. Comment
  SEINET10849962  Agrostis P. Rubtzoff 1967-8-22 Rubtzoff 5855 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UC1146626  Agrostis alba Freed W. Hoffman 1942-8-29 2269 Sonoma near Guerneville (Lone Mountain Farm); North Coast Ranges, Lone Mountain Farm Comment
  UCD51832  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  UCD51847  Agrostis capillaris Beecher Crampton 1957-7-22 4365 Sonoma along Hwy. 1, 8.2 miles north of Stewart's Point. Comment
  UCD51886  Agrostis densiflora Beecher Crampton 1957-7-11 4336 Sonoma Sonoma Coast State Park, 1.7 miles north of Salmon Creek. Comment
  UCD51887  Agrostis densiflora Beecher Crampton 1957-7-11 4331 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  CAS-BOT-BC126976  Agrostis exarata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road. 15 miles east of Stewarts Point. Comment
  JEPS97573  Agrostis exarata R. D. Stone 1983-6-16 554 Sonoma the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  UCD148474  Agrostis exarata Peter Rubtzoff 1964-8-20 5461 Sonoma Americano Creek area, along Petaluma-Valley Ford road near Bloomfield. Comment
  UCD167557  Agrostis exarata James A. Neilson Jr. 1975-7-8 3381 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET10790020  Agrostis exarata A. Arthur Heller 1902-6-27 Heller 5779 Sonoma West of Windsor near Russian river. Comment
  UCD52498  Agrostis exarata A. A. Beetle; G. L. Stebbins Jr. 1942-7-4 3593 Sonoma corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  CAS-BOT-BC139556  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC139511  Agrostis hallii K. Wagnon 1939-5-21 216 Sonoma Near Wagon home, five miles west of Sebastopol. Comment
  UC573811  Agrostis hallii H. S. Yates 1937-6-6 6579 Sonoma 8 mi sw Healdsburg; Healdsburg Quad. 152 Comment
  UCD52723  Agrostis hallii Beecher Crampton 1957-7-11 4347 Sonoma slopes above Shell Beach, Sonoma Coast State Park, 7.4 miles north Salmon Creek. Comment
  UC1112778  Agrostis microphylla Leo Whitney 1935-4-14 2258 b Sonoma near Occidental (Blunden's Pasture); Blunden's Pasture Comment
  UCD53018  Agrostis microphylla Beecher Cramppon 1959-6-16 5381 Sonoma 1 mile east of Occidental. Comment
  UCD53026  Agrostis microphylla Beecher Crampton 1959-6-16 5380 Sonoma 1 mile E of Occidental. Comment
  UCD53067  Agrostis microphylla var. intermedia L. Whitney 1935-4-14 2258 b Sonoma Blunden's Pasture near Occidental. Comment
  CAS-BOT-BC139118  Agrostis oregonensis Peter Rubtzoff 1951-8-5 605 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  SEINET4341234  Agrostis oregonensis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC138913  Agrostis pallens Roxana S. Ferris; Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump. Comment
  JEPS128360  Agrostis pallens Roger Raiche 2000-6-4 131 .00 Sonoma The Cedars, Gateway Parcel at Christi Camp, Lower Russian River, Big Austin Creek watershed. Comment
  UCD53178  Agrostis pallens P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC138911  Agrostis pallens 1947-5-12 11762 Sonoma On Hood Mountain along horse trail. 426 Comment
  CAS-BOT-BC138596  Agrostis stolonifera Peter Rubtzoff 1951-7-8 388 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  RSA313173  Agrostis stolonifera H. L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD53519  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC47988  Ailanthus altissima Greg de Nevers 1992-6-26 10185 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  UC50680  Aira Michener and Bioletti May 1892 Sonoma S. Los Guilicos Comment
  CAS-BOT-BC176185  Aira caryophyllea Peter Rubtzoff 1974-5-25 7459 Sonoma Upper Green Valley Marsh. Comment
  RSA316038  Aira caryophyllea Patricia Wilder 1934-6-10 3634 Sonoma 1.0 mile N of Jenner on California state Hwy 1.North coast 23 Comment
  SEINET7067249  Aira caryophyllea A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UCD55696  Aira caryophyllea Beecher Crampton 1957-7-11 4293 Sonoma Roadbank along State Hwy. 1, 1.4 miles southeast of Bodega Bay. Comment
  CAS-BOT-BC138397  Aira caryophyllea var. capillaris John Thomas Howell 1944-5-14 s.n. Sonoma Chilero Valley, south Sonoma county. Comment
  CAS-BOT-BC138218  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1961-6-17 4624 Sonoma Bennett Mountain Lake. Comment
  UC1023611  Aira elegantissima Milo S. Baker Apr 1936 234 Sonoma near Youngman's Rd. Comment
  UCD55804  Aira praecox Beecher Crampton 1957-7-11 4327 Sonoma Sonoma Coast State Park along State Hwy. 1, 0.9 miles north of Salmon Creek. Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  CAS-BOT-BC173620  Alisma lanceolatum Peter Rubtzoff 1976-5-30 8570 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC445339  Alisma lanceolatum Peter Rubtzoff 1954-8-12 1697 Sonoma Bennett Mtn. Lake. Comment
  UCD137919  Alisma lanceolatum Peter Rubtzoff 1956-9-11 2845 Sonoma Vacation Beach, 1.5 miles below Guerneville. Comment
  RSA216160  Alisma triviale Peter Rubtzoff 1954-6-20 1510 Sonoma Guerneville Marsh Comment
  UCR244504  Alisma triviale Peter Rubtzoff 1965-6-20 5558 Sonoma Petaluma Creek, 4 miles [northwest] of Petaluma (on Stoney Point Road) 53 Comment
  UCD84096  Allium amplectens Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC462385  Allium amplectens Peter Rubtzoff 1963-6-18 5182 Sonoma Bennett Mt. Lake Comment
  CAS-BOT-BC466698  Allium cepa Peter Rubtzoff 1963-8-17 5226 Sonoma Near Petaluma River, just east of Petaluma Comment
  POM180615  Allium dichlamydeum J. T. Howell 1930-6-8 5282 Sonoma 8.5 miles north of Bodega Bay. 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-BC469106  Allium dichlamydeum L. R. Abrams 1920-7-3 7630 Sonoma near Stewart's Point Comment
  UC1083345  Allium falcifolium Herbert L. Mason 1934-4-28 8074 Sonoma head of Dohrman Creek Dohrman's Creek, Jensen's Ranch Comment
  UC972352  Allium unifolium G. Thomas Robbins 1951-4-24 3387 Sonoma about 3 mi se Santa Rosa; Bennett Valley Comment
  UCSC000151  Allium unifolium Beryl O. Schreiber 1934-5-16 1120 Sonoma Healdsberg, Fitch Mountain Road Comment
  CAS-BOT-BC474316  Allium unifolium G. DeNevers 1981-6-20 1658 Sonoma Opposite main Academy entrance Comment
  CDA33064  Allium vineale J. Chesi & B. Hass 1979-6-13 Sonoma Asti 0 Comment
  JEPS52302  Allotropa virgata Wayne Roderick 1967-6-18 Sonoma On the Ida Clayton Road Northwest of Mt. St. Helena 609 Comment
  CAS-BOT-BC251181  Alnus Peter Rubtzoff 1960-9-15 4549 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC169653  Alnus rhombifolia Peter Rubtzoff 1960-9-14 4527 Sonoma Laguna de Santa Rosa E of Graton (betw.Occidental and Guerneville roads) Comment
  CAS-BOT-BC169365  Alnus rubra Peter Rubtzoff 1959-6-13 4135 Sonoma Willows Creek Marsh, growing along Willow Creek Comment
  RSA800208  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  RSA800595  Alnus rubra Peter Rubtzoff 1966-11-9 5836 Sonoma Salmon Creek near Freestone. Comment
  CAS-BOT-BC138003  Alopecurus geniculatus Peter Rubtzoff 1959-6-6 4090 Sonoma Willow Creek Marsh. Comment
  RSA800608  Amaranthus Peter Rubtzoff 1973-8-29 7284 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC135669  Amelanchier utahensis D. E. Breedlove 1980-6-27 44779 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC154124  Ammannia coccinea Peter Rubtzoff 1956-9-16 2922 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  UCD56002  Ammophila arenaria Beecher Crampton 1957-7-11 4317 Sonoma west of Bodega Harbor, 1-2 miles, by road, west of the town of Bodega Bay. Comment
  CAS-BOT-BC162066  Amphibromus scabrivalvis Greg de Nevers 1996-6-5 10826 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, about 10 miles north of Santa Rosa. In temporary pond on Weimar Flat. 121 Comment
  CAS-BOT-BC222274  Amsinckia Alice Eastwood 1933-5-7 18843 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  CAS-BOT-BC222287  Amsinckia John Thomas Howell 1934-3-25 11776 Sonoma Lakeville Comment
  CHSC21835  Amsinckia intermedia Robert A. Schlising 1962-3-31 2113 Sonoma In pastured field. Comment
  UCD35298  Amsinckia intermedia Beecher Crampton 1955-4-5 2423 Sonoma Along State Highways 37, 12, about 3 miles east of Schellville. Comment
  UC1585917  Anagallis arvensis Barbara Ertter 1988-11-5 8028 Sonoma ca. 5 airmiles due s. Cloverdale (point below Little Flat parking area w. of bridge, Lake Sonoma); Lake Sonoma 152 Comment
  RSA785704  Anagallis arvensis Carrie A. Herd 1982-5-19 117 Sonoma Rohnert Park, C.S.U. Sonoma, Cluster School Building closest to Nichols Hall. Comment
  CAS-BOT-BC137817  Andropogon glomeratus var. pumilus Helen D. Geis 1902-8-1 568 Sonoma The Geysers. Comment
  UC558472  Andropogon virginicus var. virginicus J. Bufford 1936-9-8 Sonoma Pitkin Marsh; Pitkin Marsh, Vine Hill District Comment
  UC70435  Anemone oregana Milo S. Baker 1903-3-19 Sonoma Sonoma; Creek canyon Comment
  CDA38226  Angelica hendersonii T. C. Fuller 1957-9-24 398 -57 Sonoma Stewarts Point. 0 Comment
  CDA38227  Angelica hendersonii T. C. Fuller 1957-9-24 398 -57 Sonoma Stewarts Point. 0 Comment
  UCD127228  Angelica hendersonii Mary M. Hektner; Cathy Hendel 1974-7-25 175 Sonoma Shell Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD126249  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC271435  Anisocarpus madioides Rimo Bacigalupi 1926-5-2 1392 Sonoma Cazadero Comment
  UC496379  Anisocarpus madioides Merle Randall 1930-6-7 Sonoma Cazadero Comment
  UCD129047  Anthemis cotula Frederica Bowcutt 1994-6-24 1890 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. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  RSA259578  Anthemis fuscata Thomas W. Nelson, James Nelson 1975-3-25 1751 Sonoma Asti, Growing as a weed in cultivated areas, vinyards Comment
  UCD56130  Anthoxanthum aristatum Beecher Crampton 1959-6-16 5367 Sonoma 0.2 miles E of Occidental. Comment
  CAS-BOT-BC280660  Anthoxanthum occidentale Catherine Best 1985-2-10 1064 Sonoma About .5 miles north of Occidental on the road parallel to the Bohemian Hwy. Comment
  UC78900  Anthoxanthum odoratum Edward Lee 1936-6-8 2224 Sonoma Bohemian Grove, grounds near entrance Bohemian Grove Comment
  UCD56167  Anthoxanthum odoratum David L. Morgan 1956-5-23 s.n. Sonoma Middle Two Rock Road, 100 yds from junction of Petaluma-Valley Ford Rd. Comment
  UCD56277  Anthoxanthum odoratum Beecher Crampton 1957-7-22 4362 Sonoma 8 miles north of Stewart's Point, Bishop Pine grove along State Hwy. 1. Comment
  UC1388988  Antirrhinum kelloggii Milo S. Baker 1947-4-22 11688 Sonoma near Kenwood (above Gray Ranch); Hood Mt. Comment
  UC421606  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum John Thomas Howell 1929-6-30 4319 Sonoma 4 mi from Petrified Forest (on road to Knights Valley) Comment
  UC1012383  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Francis W. Pennell Jul 2 1940-Jul 3 1940 26038 Sonoma ne of Kenwood Springs 304 Comment
  UC192719  Antirrhinum virga Michener and Bioletti May 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC394992  Aquilegia formosa Peter Rubtzoff 1952-6-9 1183 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CDA17199  Aralia californica G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16198 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. Sheet 1 of 2 536 Comment
  UCD128214  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  UCSB40579  Aralia californica Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on Highway 1 in small Redwood Canyon Comment
  CAS-BOT-BC128617  Arbutus menziesii Saichi Kawahara 1968-4-20 325 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  OBI14777  Arbutus menziesii David Burgess 1957-11-25 10 Sonoma On a Mountain East of Santa Rosa Comment
  CAS-BOT-BC56911  Arctostaphylos John Thomas Howell 1934-3-3 11747 Sonoma Between Fort Ross and Stewart's Point Comment
  RSA629224  Arctostaphylos Jon E. Keeley 1993-9-11 24774 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC535017  Arctostaphylos H. F. Copeland 1933-3-18 A 14 Sonoma on College Ave. Hwy w Santa Rosa; Vine Hill region Comment
  CAS-BOT-BC24124  Arctostaphylos bakeri Lewis S. Rose 1934-2-22 34032 Sonoma 2 mi. E of Occidental Comment
  CHSC67490  Arctostaphylos bakeri James D. Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. 121 Comment
  OBI14769  Arctostaphylos bakeri Robert F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  UC1120876  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1562 A Sonoma 1/2 mi nw Trenton; Sebastopol Quadrangle Comment
  RSA107837  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1955-3-21 55031 Sonoma 2 mi NE of Occidental 213 Comment
  RSA622725  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24766 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET11991014  Arctostaphylos canescens W. Knight, Knight, I. 1983-1 4698 Sonoma Trinity Grade 305 Comment
  CAS-BOT-BC23975  Arctostaphylos canescens subsp. canescens John Thomas Howell 1934-3-3 11747 Sonoma Between Fort Ross and Stwearts Point Comment
  CDA11166  Arctostaphylos canescens subsp. canescens G. F. Hrusa 1989-1-1 5797 Sonoma North Coast Biodiversity Arena; Along Cavedale Rd., 2 miles E of Hwy 12. Comment
  POM203044  Arctostaphylos canescens subsp. canescens J. T. Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stewart's Point. Comment
  UCD110448  Arctostaphylos canescens subsp. canescens Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC23896  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5760 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA40093  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  RSA202104  Arctostaphylos canescens var. candidissima Freed W. Hoffman 1948-5-10 2677 Sonoma East face Cobb Mt. 1220 Comment
  CAS-BOT-BC23641  Arctostaphylos columbiana Mary P. Wells 1986-1-9 705 A Sonoma Edge of forest by Pilot's Beach, The Sea Ranch Comment
  CAS-BOT-BC23603  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC24986  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5770 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24989  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5768 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24991  Arctostaphylos densiflora M. S. Baker 1928-4-18 5045 Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC25012  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4083 Sonoma Originally from Vine Hill area near Sebastopol. Comment
  CAS-BOT-BC25023  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5778 Sonoma Vine Hill District, 10 miles W of Santa Rosa. Comment
  SEINET2028697 Image available Arctostaphylos densiflora H. F. Copeland 1933-3-18 a 5 Sonoma Near Vine Hill school house Comment
  UC1120149  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1564 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC549534  Arctostaphylos densiflora J. E. Adams 1934-3-28 717 Sonoma Vine Hill School Sta. Rosa Comment
  UCD50797  Arctostaphylos densiflora Roman Gankin 1966-3-3 693 Sonoma Vine Hill School Road, ca. 10 miles west of Santa Rosa. Comment
  CDA38592  Arctostaphylos densiflora T. C. Fuller 1958-5-24 3997 Sonoma Vinehill District. 0 Comment
  SEINET11987167  Arctostaphylos densiflora J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4078 Sonoma Strybing Arboretum, Golden Gate Park, San Francisco, via Coulter's Nursery, from Vine Hill District, 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
  UCD166540  Arctostaphylos glandulosa Dylan O. Burge 2016-2-16 2041 Sonoma Gilfillian Vineyard, roadside on Cavedale Road. 400 Comment
  SEINET11991023  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1983-1 4700 Sonoma Trinity Grade 270 Comment
  CAS-BOT-BC23281  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1963-9-1 261 Sonoma Pine Mt. Rd., NE Cloverdale, Harold Smith Ranch. Comment
  RSA631186  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24721 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24724  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. Hood. Comment
  RSA631185  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24723 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA364257  Arctostaphylos hispidula Roger Raiche 1984-2-3 40016 Sonoma Rockpile Road, 9.1 miles north from its intersection and beginning at Skaggs Springs-Stewarts Point Road 502 Comment
  CAS-BOT-BC38994  Arctostaphylos manzanita Roger Raiche; Stephen W. Edwards 1983-6-9 101 Sonoma The Cedars. On serpentinite, east of ridge on Twitchell property near Cazadero. 274 Comment
  RSA633057  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27492 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  RSA633058  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  UC1614286  Arctostaphylos manzanita Charles M. Belshaw 1936-3-7 1560 Sonoma 1/4 mi w of Trenton Comment
  UCD166535  Arctostaphylos manzanita Dylan O. Burge 2016-1-31 2036 Sonoma Russian River Valley, just S of Hopland, roadside on U.S. Route 101. 170 Comment
  SEINET11990962  Arctostaphylos manzanita Unknown 1983-1 30499 F Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990963  Arctostaphylos manzanita Unknown 1983-1 30499 G Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990964  Arctostaphylos manzanita Unknown 1983-1 30499 H Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990967  Arctostaphylos manzanita Unknown 1983-1 30499 J Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11991024  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4571 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET12524595 Image available Arctostaphylos manzanita L. S. Rose 1940-1 40004 Sonoma Rincon Ridge, 2 mi E of Santa Rosa 61 Comment
  CAS-BOT-BC38902  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7939 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38911  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38655  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1937-4-11 12906 Sonoma M.S. Baker's place, sw. slope of Mt. Hood Comment
  CAS-BOT-BC38676  Arctostaphylos manzanita subsp. manzanita Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ride north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek on serpentine. Comment
  CAS-BOT-BC38681  Arctostaphylos manzanita subsp. manzanita Roger Raiche 1983-7-31 30572 Sonoma Austin Creek State Recreation Area, North slope Morrison Ridge, above Thompson Creek. 274 Comment
  CAS-BOT-BC38696  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Adobe Canyon near Kenwood, Baker Ranch Comment
  CAS-BOT-BC38699  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa Comment
  CAS-BOT-BC38721  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. hood Comment
  CAS-BOT-BC38741  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-11-15 788 Sonoma Hood's Peak, on road below Johnson Lake. Comment
  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
  RSA177969  Arctostaphylos manzanita subsp. manzanita R. F. Thorne 1965-4-20 34345 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  RSA3947  Arctostaphylos manzanita subsp. manzanita I. L. Wiggins 1932-3-12 5762 Sonoma Between Franz Valley and Knight's Valley. Comment
  CAS-BOT-BC45399  Arctostaphylos nummularia Mary P. Wells 1985-10-4 675 Sonoma Ca. 1 mi. s. of Gualala River. Comment
  CAS-BOT-BC47341  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5777 Sonoma Vine Hill District, 10 mi. w. of Santa Rosa. Comment
  CDA11229  Arctostaphylos stanfordiana G. F. Hrusa 1989-1-1 5798 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. up Cavedale Rd. from Hwy 12 near Kenwood. Comment
  RSA636810  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24754 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
  SEINET2028691 Image available Arctostaphylos stanfordiana B. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  UC535020  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  UC876545  Arctostaphylos stanfordiana Milo S. Baker 1933-3-18 7333 Sonoma 2 mi ne Santa Rosa; Rincon Ridge Comment
  UCD162184  Arctostaphylos stanfordiana D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1522 Sonoma Hooker Creek watershed. 520 Comment
  UCR279734  Arctostaphylos stanfordiana Ann Howald 2016-1-23 3555 Sonoma North Coast Ranges, Annapolis Ridge, west side Annapolis Rd c. 0.6 mile south of intersection with Soda Springs Rd, just north of transfer station 207 Comment
  UC1520696  Arctostaphylos stanfordiana subsp. decumbens R. Raiche 1985-2-3 50041 Sonoma unnamed ridge on w side Dry Creek Valley (n of Crane Creek and s of Bradford Mt.) 182 Comment
  UCD51002  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1985-2-3 50041 Sonoma Sonoma County, California, unnamed ridge west side of Dry Creek Valley, n of Crane Cr. and s of Bradford Mt Comment
  RSA364258  Arctostaphylos stanfordiana subsp. stanfordiana Roger Raiche 1983-9-25 RR- 30733 Sonoma Clipper Mill Bridge, Stewarts Point Road (2.6 miles east on that road from Highway 1). Comment
  RSA96695  Arctostaphylos stanfordiana subsp. stanfordiana P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20376 Sonoma 4 mi. s.w. of Lake-Sonoma Co. line, n.w. to w. slope Mt. St. Helena. 640 Comment
  RSA164629  Arctostaphylos stanfordiana var. repens Percy C. Everett 1963-11-21 24567 Sonoma Rincon Ridge, Robt. Sones' residence, ca. 3 mi. ne. Santa Rosa. 144 Comment
  SEINET11990978  Arctostaphylos uva-ursi Unknown 1983-1 30488 Sonoma Horseshoe Point, near Kruse Rhodendron State Reserve Comment
  UC1121430  Arctostaphylos viscida subsp. pulchella A. E. Wieslander 1938-10-29 849 Sonoma 3 mi e Mt. St. Helena; Calistoga Quadrangle Comment
  UC1193019  Arctostaphylos viscida subsp. pulchella R. H. Neuns 1950-5-23 116 Sonoma 2 mi ne The Geysers; Quad 60B4 1066 Comment
  UCD137811  Aristolochia californica Frederica Bowcutt; Jeff Kennedy , Jolie Henricks 1994-5-1 1762 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  CAS-BOT-BC400485  Aristolochia californica Peter Rubtzoff 1951-8-26 673 Sonoma Hills south of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC64583  Armeria maritima subsp. californica Alice Eastwood 1915-6-29 4808 Sonoma Bodega Point. Comment
  SJSU10837  Armeria maritima subsp. californica H. H. Van Brocklin 1955-4-3 Sonoma Shall Beach Comment
  UCSB50184  Armeria maritima subsp. californica Gray, John 1976-5-1 Sonoma On North Salmon Creek Beach near Highway 1; T 6N, R 11W 18 Comment
  CAS-BOT-BC90495  Artemisia douglasiana Walter Knight; Irja Knight 1963-10-3 313 Sonoma Bennett Valley Comment
  CAS-BOT-BC499175  Artemisia douglasiana Peter Rubtzoff 1986-9-28 9752 Sonoma Russian River at Forest Hills, 5.5 mi E of Guerneville Comment
  SEINET258290  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10236 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  CAS-BOT-BC400600  Asarum caudatum Volney Rattan 1877-5-16 s.n. Sonoma Guerneville Comment
  UCD160918  Asclepias fascicularis James A. Neilson Jr. 1975-7-8 3380 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  SEINET10637049  Asclepias fascicularis A. Arthur Heller 1902-6-4 Heller 5643 Sonoma Santa Rosa Comment
  CAS-BOT-BC222857  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains 975 Comment
  UC1299771  Aspidotis densa Freed W. Hoffman 1947-3-5 812 Sonoma near Guerneville (Gilliam Creek) Comment
  CAS-BOT-BC344836  Asteraceae Peter Rubtzoff 1966-8-3 5779 Sonoma Going up Bennett Mountain from Lawndale to Bennett Mountain Lake. Comment
  CAS-BOT-BC376340  Astragalus breweri Greg de Nevers 1998-6-10 11278 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UC13335  Astragalus breweri W. H. Brewer 1862-4-18 979 Sonoma Sonoma Valley Comment
  UC353932  Astragalus breweri Milo S. Baker 1928-4-16 2957 a Sonoma Mill Creek Road near Junction School; Mill Creek Road near Junction School Comment
  SEINET10947217 Image available Astragalus breweri William H. Brewer 1862-4-17 Brewer 979 Sonoma Near Sonoma in a field Comment
  UCD168059  Astragalus breweri James Neilson 1977-4-24 3885 Sonoma crest of Mayacmas Mountains. (Exact location unknown. Neilson may have been on the south side of Pine Mountain on this date.) Comment
  CAS-BOT-BC186742  Astragalus gambelianus Greg de Nevers; Frank Almeda 1987-4-11 8141 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  SEINET3148002  Athysanus pusillus M. S. Baker 1898-3-26 733 Sonoma Hills near McDonald Reservoir Comment
  CAS-BOT-BC290657  Atriplex Peter Rubtzoff 1958-9-28 4017 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC290666  Atriplex Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC604106  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach Salmon Creek Comment
  SEINET11933365  Atriplex suberecta W. Knight, Knight, I.; Edwards, S. W. 1984-1 5053 Sonoma In pastureland along Willow Creek between Donman Flat and Corona Road Comment
  CAS-BOT-BC227671  Avena Peter Rubtzoff 1980-5-26 9450 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  LA11004  Avena barbata Nesta Dunn; 1932-5-15 sn Sonoma Santa Rosa Comment
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Dec 29 2014
  RSA800041  Avena fatua Peter Rubtzoff 1975-6-4 8040 Sonoma U.C. Blodgett Forest Research Station: County Road, 0.6 mi E of Main Station entrance. 1351 Comment
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Nov 3 2014
  RSA783715  Baccharis douglasii Peter Rubtzoff 1955-9-24 2148 Sonoma Duncan Mills Marsh Comment
  JEPS81900  Baccharis glutinosa Roger Raiche 1982-8-22 20701 Sonoma canyon running through Vine Hill Vine Hill 213 Comment
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Oct 17 2013
  UCR30559  Baccharis glutinosa John C. Roos 1948-8-28 3959 Sonoma North Coast Ranges, near Healdsburg 31 Comment
  CAS-BOT-BC99592  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  POM213043  Baccharis pilularis C. B. Wolf 1934-10-13 6182 Sonoma 2 2/5 miles north of mouth of Russian River. 61 Comment
  CAS-BOT-BC99784  Baccharis salicifolia Joseph P. Tracy 1932-5-8 9900 Sonoma Geyserville, along Russian River 152 Comment
  CAS-BOT-BC320536  Beckmannia Peter Rubtzoff 1970-6-14 6263 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC145827  Beckmannia syzigachne Peter Rubtzoff 1960-6-25 4513 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville roads. Comment
  CAS-BOT-BC145839  Beckmannia syzigachne John Thomas Howell 1930-6-8 5239 Sonoma Bodega Road, 3 miles east of Valley Ford. Comment
  SEINET179633  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma 1 mi N of Fort Ross Comment
  OBI35842  Bellis perennis David J. Keil 1983-6-29 17206 Sonoma Ca 10 mi SE of Ft Ross along Hwy 1 Comment
  RSA790983  Bidens cernua Peter Rubtzoff, Nancy Harrison, Edward Lee, Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC290648  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh. Comment
  UCR248952  Bidens laevis Peter Rubtzoff 1967-8-30 5874 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  NY162680  Blennosperma bakeri M. S. Baker 1946-4-2 11307 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC154958  Boisduvalia densiflora Peter Rubtzoff 1958-8-23 3920 Sonoma Laguna de Santa Rosa, E of Cunningham (near Llano Road) Comment
  CAS-BOT-BC154974  Boisduvalia densiflora Peter Rubtzoff 1957-8-17 3519 Sonoma Occidental Marsh Comment
  RSA80693  Boisduvalia densiflora F. W. Peirson 1925-8-8 6338 Sonoma Roadside 6 miles south of Santa Rosa Comment
  RSA791565  Boisduvalia glabella Peter Rubtzoff 1961-6-7 4613 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  CAS-BOT-BC28222  Bolboschoenus fluviatilis Peter Rubtzoff 1966-7-4 5772 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Rd. Comment
  UCR249042  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1972-8-26 6859 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC75494  Bolboschoenus maritimus subsp. paludosus Walter Knight; Irja Knight 1984-8-26 5426 Sonoma Willow Creek Road. 60 Comment
  CAS-BOT-BC376323  Boraginaceae Greg de Nevers 1993-5-17 10454 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen east of 3865 Franz Valley Road. 400 Comment
  UC20854  Bowlesia incana Bolander 1866-4-11 4633 Sonoma Petaluma Comment
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Mar 13 2009
  RSA0057963  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  UCR256116  Boykinia elata Greg de Nevers 1996-6-10 10830 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC371427  Boykinia occidentalis Greg de Nevers 1996-6-10 10830 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Mark West Creek below Leslie Creek 400 Comment
  RSA93383  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC173643  Brassicaceae Peter Rubtzoff 1970-10-29 6422 Sonoma Marsh in dunes south of U.C. Bodega Marine Laboratory dormitory Comment
  CAS-BOT-BC182745  Brassicaceae Peter Rubtzoff 1969-6-15 6097 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  CAS-BOT-BC145482  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  OBI35095  Briza maxima David J. Keil 1983-6-30 17213 Sonoma Stillwater Cove Regional Park Comment
  SBBG21223  Briza maxima B. Crampton 1954-4-26 Sonoma 2 mi N of Geyserville, US Hwy 101 Comment
  UCD57148  Briza maxima B. Crampton 1955-6-17 2968 Sonoma Along State Hwy. 1. Fort Ross. Comment
  SEINET10861606  Briza maxima Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2619 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  SEINET7042398  Briza maxima A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD57140  Briza maxima Collector unknown 1941-5-1 Sonoma Montacello Ave. Santa Rosa? Comment
  UCD57143  Briza maxima David L. Morgan 1956-5-23 s.n. Sonoma On Bay Hill Rd. 3 mi. W of junction of State Highway 1. Comment
  CAS-BOT-BC145282  Briza minor Peter Rubtzoff 1955-5-21 1864 Sonoma Forestville Marsh. Bordering the marsh in teh south. Comment
  UC1130933  Briza minor H. S. Yates 1934-4-21 Sonoma near Duncan Mills; Duncan Mills Quadrangle Comment
  UCD57404  Briza minor C. Wistrom 1996-5-26 34 Sonoma Healdsburg. 1601 Dry Creek Road. 48 Comment
  JEPS79162  Brodiaea appendiculata Nancy Harrison 1980-5-16 2125 Sonoma directly s. of vineyard and Piner Elementary School (Piner and Fulton roads are north, west Santa Rosa); west Santa Rosa Comment
  CAS-BOT-BC132211  Brodiaea californica var. leptandra R. F. Hoover 1938-6-14 3604 Sonoma 2 mi. se. of Healdsburg Comment
  JEPS7640  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7655 Sonoma Poor Man's Flat Windsor, Poor Man's Flat 30 Comment
  JEPS7662  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-21 7622 Sonoma Windsor Comment
  CAS-BOT-BC484400  Brodiaea elegans subsp. elegans Peter Rubtzoff 1958-7-5 3731 Sonoma Atascadero Creek Marsh Comment
  JEPS7643  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7651 Sonoma on road to Lytton (Healdsburg); Healdsburg Comment
  RSA173355  Brodiaea elegans subsp. elegans Walter Knight 1117 Sonoma McDowell Road about 0.5 mile from Casa Grande Road. Comment
  SEINET10534094  Brodiaea laxa John Thomas Howell 1931-6-15 Howell 6689 Sonoma Near Sebastopol, California Comment
  JEPS128222  Brodiaea stellaris Roger Raiche 2000-5-4 060 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET206246  Brodiaea stellaris Rimo Bacigalupi, L. R. Heckard 1961-6-9 7746 Sonoma Along Stoeti Lane about 0.5 mile northwest of its junction with Harrison Grade road and about 0.75 mile northwest of O 229 Comment
  CAS-BOT-BC486526  Brodiaea stellaris Roxana S. Ferris; Laura Lorraine 1961-6-15 13574 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC486476  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1974-5-19 7447 A Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from (west of) Llano Road. Comment
  CAS-BOT-BC149491  Bromus arvensis Greg de Nevers 1987-6-1 8188 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  UCD58255  Bromus carinatus R. Tofsrud 1948-1 s.n. Sonoma Alexander Valley. Comment
  UCD58258  Bromus carinatus Collector unknown 1941-6-1 Sonoma Santa Rosa. Veteran's Park. Comment
  CAS-BOT-BC149090  Bromus carinatus var. carinatus Peter Rubtzoff 1953-5-18 1401 Sonoma South of Guernevile (Neeley Hill area). Comment
  CAS-BOT-BC149092  Bromus carinatus var. carinatus John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54667 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC155893  Bromus catharticus var. elatus David L. Morgan 1961-5-14 s.n. Sonoma 1 mile east of Cotati on Cotati Avenue. Comment
  CAS-BOT-BC155900  Bromus catharticus var. elatus David L. Morgan 1956-5-13 s.n. Sonoma On Arnold Drive, 0.5 mile south of Sonoma State Home. Comment
  CAS-BOT-BC155956  Bromus commutatus R. E. Frenkel 1964-6-23 610 Sonoma On Seaview Road, 3.1 miles north of Fort Ross Road. 396 Comment
  JEPS71167  Bromus diandrus Virginia Bufford 1932-9-23 575 Sonoma 4 mi sw of Santa Rosa Comment
  CAS-BOT-BC155202  Bromus hordeaceus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  UCD38532  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti, Italian Swiss Colony Winery. Comment
  SEINET11690149  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6283 Sonoma NE corner Llano & Todd Roads 26 Comment
  RSA126882  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma Three miles northwest of Graton. 61 Comment
  RSA74446  Bromus laevipes Milo S. Baker 1947-5-30 11778 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  UCD151142  Bromus madritensis subsp. rubens James A. Neilson Jr. 1973-6-7 3564 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  CAS-BOT-BC162255  Bromus maritimus David L. Morgan 1961-5-7 s.n. Sonoma Doran Park, about 1 mile south of Bodega Bay. Comment
  RSA792287  Cakile maritima Peter Rubtzoff 1955-8-20 2078 Sonoma Bodega Harbor Marsh. Comment
  UCSC000307  Cakile maritima H. S. Yates 1936-5-17 5630 Sonoma 2 miles N. of Bodega Bay - Duncan Mills 3 Comment
  CAS-BOT-BC36919  Cakile maritima var. maritima A. A. Heller 1940-5-17 L 5627 Sonoma On the bluff north of the town of Bay, Bodega Bay. Comment
  CHSC80116  Calamagrostis bolanderi Colette Beaupre 2000-7-6 Sonoma Near Sea Ranch, on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB and M. 182 Comment
  UCD37161  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma Sonoma County, Sonoma Coast State Park, 8.7 miles south of Stewart's Point. Comment
  CLARK-A1528-4568  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma Jenner 30-60 Comment
  CAS-BOT-BC185132  Calamagrostis nutkaensis Catherine Best 1984-6-11 973 -C Sonoma On a slope above the ocean at Goat Rock Park. Comment
  CAS-BOT-BC185118  Calamagrostis ophitidis Roxana S. Ferris; Laura Lorraine 1961-6-15 3563 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road. Comment
  SEINET9288286  Calendula arvensis Unknown 2000-3-6 20969 Sonoma Sonoma Comment
  CAS-BOT-BC293674  Callitriche heterophylla Peter Rubtzoff 1974-4-6 7355 Sonoma Along Lawndale Road, 0.75 miles south of Highway 12. Comment
  CAS-BOT-BC293754  Callitriche palustris Peter Rubtzoff 1971-6-26 6572 Sonoma Willow Creek Marsh. Comment
  RSA0035350  Callitriche verna Peter Rubtzoff 1974-4-6 7348 Sonoma Kenwood Marsh. Comment
  JEPS61625  Calochortus amabilis Docia I. Patchett 1917-5-7 Sonoma Cazadero Road near Clark's Crossing Comment
  SD56795  Calochortus amabilis Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  CAS-BOT-BC483279  Calochortus amabilis A. A. Heller; H. E. Brown 1902-4-22 s.n. Sonoma Between Santa Rosa and Agua Caliente Comment
  UC1134484  Calochortus luteus H. S. Yates 1937-5-30 6546 Sonoma 4 mi nw Graton; Sebastopol Quad. 91 Comment
  UC3408  Calochortus luteus Michener and Bioletti 1893-1 Sonoma Los Guilucos Comment
  UC3418  Calochortus luteus Carl Purdy 1821-1 Sonoma Windsor Comment
  UCD139529  Calochortus luteus Frederica Bowcutt 1994-6-12 1850 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 Pony Gate Trail 75 yards N of Sonoma Creek. 411 Comment
  CAS-BOT-BC492642  Calochortus luteus F. G. Kraus 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  POM169582  Calochortus luteus Michener, F. T. Bioletti 1893-05 s.n. Sonoma Los Guilicos Comment
  SD69996  Calochortus luteus Darley F. Howe 1968-5-21 Sonoma 7.7 miles on road east of Petaluma. Comment
  CAS-BOT-BC132636  Calochortus uniflorus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  JEPS86803  Calycadenia multiglandulosa Jack and Betty Guggolz 1991-7-20 1209 Sonoma 2 mi nw of Camp Meeker 182 Comment
  CAS-BOT-BC272761  Calycadenia truncata subsp. truncata Greg de Nevers 1990-7-24 9681 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Devils Kitchen 457 Comment
  SEINET5626851 Image available Calycanthus Unknown 1893-1 1103 (C.W. Fallass). Sonoma Hoods Peak Comment
  CAS-BOT-BC91005  Calycanthus occidentalis Mrs. H. C. Cantelow 1934-4-29 485 Sonoma Dry Creek. Comment
  CDA17200  Calycanthus occidentalis G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16199 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  HSC3814  Calycanthus occidentalis M. E. Ferguson, E. Ferguson 1919-6-8 Sonoma Near Guerneville, Russian River. Comment
  POM149134  Calycanthus occidentalis Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  RSA22257  Calycanthus occidentalis Blanche Clear 1938-5-28 s.n. Sonoma Geyserville toward Alexander Valley. Comment
  JEPS21820  Calypso bulbosa Roy Ramberg 1958-4-5 Sonoma 1/2 mi se of Occidental (in Redwood Picnic Area); Redwood Picnic Area 45 Comment
  UCR45086  Calyptridium quadripetalum L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  CAS-BOT-BC292509  Calystegia R. K. Brummitt; T. F. Daniel 1997-5-31 19617 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, 2 km N of Bechtel Cabin. 300 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
  CAS-BOT-BC224737  Calystegia purpurata subsp. saxicola Alice Eastwood 1915-6-29 4861 Sonoma Bodega Point Comment
  RSA710253  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach 15 Comment
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Mar 15 2013
  HSC100881  Calystegia purpurata subsp. saxicola Peter Warner, Sara Gordon 2011-6-20 221 Sonoma Sonoma Coast, State Parks Red Hill parcel, ~80 m E of Hwy. 1, NE of Wright's Beach entrance road. 53 Comment
  CAS-BOT-BC344885  Camassia Peter Rubtzoff 1970-5-10 6214 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC251259  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA186808  Camissonia cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma between town of Bodega and Bodega Head. Comment
  RSA186553  Camissonia ovata Peter H. Raven 1963-4-28 18250 Sonoma Town of Bodega Bay Comment
  UCD103489  Camissoniopsis intermedia Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  CAS-BOT-BC266420  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  JEPS19404  Campanula californica G. Thomas Robbins 1938-6-23 269 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  RSA654819  Campanula californica Melissa Brooks, Colette Beaupre 2000-7-20 s.n. Sonoma Near Sea Ranch, on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M. 61 Comment
  SEINET10905990  Campanula californica Wolf 1927-9-2 WOLF 1355 Sonoma 1 mile south of the Gualala River on coast road Comment
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  HSC6632  Capsella bursa-pastoris C. S. Chavez 1965-6-3 79 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  UCD114128  Capsella bursa-pastoris Mary M. Hektner 1975-6-24 212 Sonoma in the University of California, Davis experimental competition plots next to the Sea Ranch Association Office; Unit 18-A Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC37760  Cardamine californica A. A. Heller; H. E. Brown 1902-3-22 5130 Sonoma West of Sebastapol. Comment
  CAS-BOT-BC37763  Cardamine californica Alice Eastwood 1921-4-24 10387 Sonoma Santa Rosa. Comment
  CAS-BOT-BC37767  Cardamine californica J. Clausen 1933-3-25 728 Sonoma About 4 miles east of Warfields on road to Oakville. 213 Comment
  JEPS128337  Cardamine californica Roger Raiche 2010-2-28 008 .10 Sonoma The Cedars. Gateway parcel. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC37775  Cardamine californica Frank Walton Gould 1940-2-18 866 Sonoma Two miles north of Petaluma. 30 Comment
  RSA143726  Cardamine californica var. integrifolia A. A. Heller, H. E. Brown 1902-3-14 5056 Sonoma Near Santa Rosa Comment
  UCD114539  Cardamine oligosperma Frederica Bowcutt 1994-5-1 1757 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Sonoma Creek, just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed Trail about 30 yards from trail head; along Sonoma Creek. 198 Comment
  CAS-BOT-BC38031  Cardamine oligosperma Peter Rubtzoff 1959-6-20 4160 Sonoma Willow Creek Marsh. Bank of Willow Creek. Comment
  RSA73977  Cardamine oligosperma Milo S. Baker 1952-3-20 12391 Sonoma Western outskirts of Sonoma on 5th St. near Bettencourt Comment
  CAS-BOT-BC173833  Carduus Peter Rubtzoff 1976-5-30 8569 Sonoma Kenwood Marsh. Comment
  UCD148413  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  OBI63072  Carduus pycnocephalus R. K. Brummitt, A. Wolf, & R. W. Howe, R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat rd near Red Hill 650 Comment
  CAS-BOT-BC281769  Carduus pycnocephalus F. H. Utech; Walter & Irja Knight 1986-5-15 86 -160 Sonoma The Geysers, ca 14.0 miles ESE of Preston and US Highway 101 on Geysers Rd 120 Comment
  UCD164101  Carex Peter Rubtzoff; Nancy Harrison 1978-5-20 9184 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC422345  Carex Peter Rubtzoff 1975-7-3 8145 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC353409  Carex abrupta Peter Rubtzoff 1958-6-1 3691 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC18135  Carex athrostachya John Thomas Howell; J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  CAS-BOT-BC18145  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh. Comment
  UCR208521  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC19368  Carex barbarae Helen D. Geis 1902-8-1 566 Sonoma Skaggs. Comment
  CAS-BOT-BC329309  Carex barbarae Peter Rubtzoff 1974-6-2 7524 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC350809  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC371452  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC422350  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  JEPS117110  Carex bolanderi Peter Warner 2010-7-8 171 Sonoma Jenner Headlands, along main road across property, ~ 4.1 km, W 322 deg. N of Duncans Mills Comment
  CAS-BOT-BC34023  Carex brevicaulis Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4498 Sonoma 6.5 miles south of Gualala River. Sonoma coast. Comment
  CAS-BOT-BC34027  Carex brevicaulis John Thomas Howell 1938-7-3 13950 Sonoma Stony Point. Comment
  CAS-BOT-BC350940  Carex cusickii Peter Rubtzoff 1962-5-25 4841 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC18976  Carex densa John Thomas Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  CAS-BOT-BC18979  Carex densa John Thomas Howell 1947-6-26 23298 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC20481  Carex densa John Thomas Howell 1930-6-8 5235 Sonoma 3 miles east of Valley Ford. Comment
  CAS-BOT-BC20499  Carex densa Peter Rubtzoff 1959-4-18 4033 Sonoma Sonoma County Marshes. Laguna de Santa Rosa NE of Graton, ca. 0.5 mi. N of Guerneville Road crossing. Comment
  CAS-BOT-BC20511  Carex densa Peter Rubtzoff 1957-5-11 3338 Sonoma Sonoma County Marshes. Occidental Marsh. Comment
  CHSC55433  Carex densa James Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  UC70610  Carex densa Miss A. King 1896-1 Sonoma near Healdsburg (Russian River) Comment
  UCR258147  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh 72 Comment
  CAS-BOT-BC20496  Carex densa Peter Rubtzoff 1958-5-10 3636 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC20502  Carex densa Peter Rubtzoff 1962-6-1 4862 Sonoma Sonoma County Marshes. Upper Freestone Marsh. Comment
  UC70636  Carex deweyana subsp. leptopoda Jos. Burtt Davy 1896-7-24 Sonoma Duncan's Mill Comment
  RSA94279  Carex dudleyi Peter Rubtzoff 1951-6-16 245 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
  CAS-BOT-BC290552  Carex exsiccata Peter Rubtzoff 1958-5-3 3617 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC311828  Carex feta Peter Rubtzoff 1974-6-2 7508 Sonoma Upper Green Valley Marsh. Comment
  UC1147821  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  UCR249913A  Carex feta Peter Rubtzoff, Tim Tunison 1975-7-5 8586 Sonoma North Coast Range, False Lake Meadow area, Annadel State Park 221 Comment
  CAS-BOT-BC28361  Carex gracilior Peter Rubtzoff 1951-6-7 148 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper marsh. Comment
  UCD112362  Carex gracilior Peter Rubtzoff 1954-6-20 1500 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC146597  Carex gynodynama John Thomas Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  RSA0022387  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Sonoma County: Freestone marsh Comment
  UC70632  Carex gynodynama J. Burtt Davy July 1896 Sonoma between Russian River Station and Guerneville (n side of river, in an overflow pool); Russian River Comment
  CAS-BOT-BC320576  Carex harfordii Peter Rubtzoff 1962-6-1 4865 Sonoma Freestone Marsh. Comment
  RSA758136  Carex harfordii Peter Rubtzoff 1960-5-16 4355 Sonoma Duncans mills marsh. m thickets along streamlet in upper portion of the marsh. Comment
  UC1133465  Carex harfordii H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  UCD112445  Carex harfordii Peter Rubtzoff 1954-6-20 1499 Sonoma Guerneville Marsh. Comment
  UCR248914  Carex harfordii Peter Rubtzoff 1962-6-1 4861 Sonoma Freestone Marsh 79 Comment
  JEPS117132  Carex hassei Peter Warner, Kara Doolin, Anthony Nelson 2010-6-28 168 Sonoma Lower Pitkin Marsh, ~ 63 m, N 49 deg. E of gate at Hwy. 116, just N of interior fence Comment
  UC767128  Carex hendersonii Robert F. Hoover 1941-5-14 5099 Sonoma hills n Bodega Comment
  CAS-BOT-BC311821  Carex lasiocarpa Peter Rubtzoff 1962-4-11 4795 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31175  Carex lemmonii R. F. Hoover 1939-5-30 4111 Sonoma Perry's Ranch near Sebastopol. Comment
  CAS-BOT-BC329276  Carex leptopoda Peter Rubtzoff 1960-5-16 4359 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC146626  Carex mendocinensis Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4494 Sonoma 2 miles south of Gualala River, Sonoma coast Comment
  UCD140692  Carex nudata Frederic Hrusa 1988-2-21 5500 Sonoma Sugarloaf Ridge State Park. Upper end of main valley in moist area along creek. 400 Comment
  CAS-BOT-BC119280  Carex ovalis Peter Rubtzoff 1951-7-7 378 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  UCR248723  Carex pellita Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  UCD140719  Carex pellita Mary M. Hektner 1976-8-27 268 -A Sonoma on land owned by Oceanic Properties, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC312706  Carex rostrata Peter Rubtzoff 1971-7-20 s.n. Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC117674  Carex serratodens Gregory Clark de Nevers 1981-4-25 804 Sonoma Pepperwood Ranch, near the main Pepperwood entrance, along the Creek Comment
  CAS-BOT-BC116784  Carex subbracteata var. subbracteata Peter Rubtzoff 1960-6-7 4446 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC115830  Carex subfusca Peter Rubtzoff 1960-5-16 4346 Sonoma Duncans Mills Marsh. Comment
  SEINET3910200  Carex tracyi Lewis S. Rose 1955-6-2 55060 Sonoma Pitkin Marsh, w. of Vine Hill Road. 10 mi. w. of Santa Rosa.; 0 30 Comment
  CAS-BOT-BC329285  Carex tumulicola Peter Rubtzoff 1957-5-26 3368 Sonoma Duncans Mills Marsh. Comment
  UCD150593  Carpobrotus edulis Collector unknown 1974-5-1 s.n. Sonoma Bodega Head, near Bodega Bay. 2 Comment
  SEINET13331044 Image available Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 0.25 acre of weed scattered over 2 acres, abundant on both slopes of the dam of a reservoir, about 1 mi. W. of the Asti turn-off of the freeway, Hwy 101, Asti Comment
  CAS-BOT-BC384677  Caryophyllaceae Peter Rubtzoff 1983-8-28 9680 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  UCD122116  Castilleja ambigua subsp. ambigua Frederica Bowcutt 1984-6-23 449 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, about 1/2 mile north of Gerstle Cove. 15 Comment
  UC726151  Castilleja attenuata A. A. Heller 1940-4-22 15551 Sonoma near West Windsor Comment
  JEPS19380  Castilleja campestris subsp. campestris G. Thomas Robbins 1937-5-23 183 Sonoma between Santa Rosa and Sebastopol (along roadside near Wright School) Comment
  SEINET7067275  Castilleja densiflora A. G. Vestal 1947-5-13 s.n. Sonoma About 4.8 miles east of Annapolis. Coordinate datum: NAD27. UTM Zone 10, 475046mE, 4286799mN. Comment
  CAS-BOT-BC243776  Castilleja densiflora Barbara Keller 1990-4-30 1999 Sonoma Coleman Valley Road, 6 miles west of Occidental Comment
  UC535060  Castilleja densiflora subsp. densiflora H. E. and S. T. Parks 1930-5-7 632 Sonoma n end Knight's Valley 106 Comment
  SBBG7042  Castilleja exserta subsp. exserta H. and M. Dearing 1939-5-14 3364 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  RSA518685  Castilleja franciscana T. I. Chuang, F. M. Chuang 1969-6-29 6690 Sonoma On south side of Russian River on Highway 1. Comment
  CAS-BOT-BC243855  Castilleja latifolia Alice Eastwood 1915-6-29 4835 Sonoma Bodega Point Comment
  UC1063395  Castilleja rubicundula subsp. lithospermoides H. S. Yates 1937-5-30 6547 Sonoma 4 mi nw Graton; Sebastopol Quad. 91 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
  CHSC1708  Castilleja subinclusa subsp. franciscana 1947-3-31 Sonoma Bodega. 60 Comment
  UC1341770  Castilleja wightii Noel H. Holmgren and James L. Reveal 1966-6-6 2650 Sonoma 2 mi s Calif. Hwy. 1 junction with Calif. Hwy. 116 (Calif. Hwy. 1) Comment
  UC26494  Castilleja wightii Harley P. Chandler 1900-5-25 710 Sonoma Bodega Bay 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-BC39436  Caulanthus lasiophyllus John Thomas Howell 1930-6-8 5283 Sonoma 8.5 miles north of the Bodega Bay. Overlooking the ocean. Comment
  UC70418  Ceanothus Milo S. Baker May 1899 Sonoma near Occidental Comment
  UC1281314  Ceanothus confusus Milo S. Baker 1940-1 10173 Sonoma Fitzsimmon's Grade Comment
  UC1084437  Ceanothus cuneatus var. cuneatus G. Thomas Robbins 1940-3-21 295 Sonoma ca 6 mi e Windsor (along Chalk Hill Rd) Comment
  UC70420  Ceanothus cuneatus var. cuneatus Milo S. Baker 1898-6-11 652 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC49697  Ceanothus cuneatus var. ramulosus G. DeNevers 1981-4-30 895 Sonoma W side of Leslie Creek, 100 m above confluence with mark West Creek Comment
  RSA177972  Ceanothus divergens subsp. confusus Robert F. Thorne 1965-4-20 34348 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  SBBG27271  Ceanothus divergens subsp. confusus J. T. Howell 1937-4-11 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  CAS-BOT-BC64355  Ceanothus foliosus Peter Rubtzoff 1953-5-17 1398 Sonoma Forested hills s. of Guerneville. Comment
  CHSC39450  Ceanothus foliosus B. A. Stein; B. Shumacher 1981-3-7 445 Sonoma Vine Hill School Rd. 45 Comment
  UC79975  Ceanothus foliosus Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  POM126433  Ceanothus foliosus H. P. Chandler 1907-4-27 7544 Sonoma St. Helena to Santa Rosa via spring Mt. Comment
  SEINET12211127  Ceanothus foliosus W. Knight, Knight, I. 1986-1 2317 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Road 853 Comment
  CAS-BOT-BC64417  Ceanothus foliosus subsp. vineatus John Thomas Howell 1931-3-14 5780 Sonoma Vine Hill District, 19 mi. w. of Santa Rosa. Comment
  JEPS128180  Ceanothus foliosus var. foliosus Roger Raiche 2001-5-17 021 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC50000  Ceanothus gloriosus John Thomas Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50003  Ceanothus gloriosus John Thomas Howell 1935-5-5 12615 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50007  Ceanothus gloriosus John Thomas Howell 1935-5-5 12620 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50014  Ceanothus gloriosus John Thomas Howell 1937-4-11 12904 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC870562  Ceanothus gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S of Stewart's Point Comment
  CAS-BOT-BC32736  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-3-14 5781 Sonoma Vine Hill District, 10 miles W of Santa Rosa Comment
  CAS-BOT-BC32739  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-3-14 5781 Sonoma Vine Hill District, 10 miles W of Santa Rosa Comment
  UC1198031  Ceanothus incanus Joseph P. Tracy 1935-7-7 14045 Sonoma near the Geysers 609 Comment
  UCD36545  Ceanothus integerrimus Beecher Crampton 1954-4-26 1795 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  SEINET12211380  Ceanothus integerrimus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -270 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SDSU10320  Ceanothus jepsonii D. F. Howe 1963-5-23 3531 Sonoma 4.0 miles N of Cloverdale on #128. 335 Comment
  SJSU10888  Ceanothus jepsonii C. S. Wallen 1965-4-13 32 Sonoma 1 mile N of Jenner Comment
  UC1070778  Ceanothus jepsonii C. M. Belshaw 1936-3-7 1554 Sonoma 1 mi ne Occidental; Sebastopol quad. 36 Comment
  UC1070785  Ceanothus jepsonii C. M. Belshaw 1936-3-8 1584 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa quad. Comment
  UC1281528  Ceanothus jepsonii H. E. McMinn 1931-6-29 2566 Sonoma 5 mi n Cloverdale Comment
  UCD112055  Ceanothus jepsonii J. Adams; J. Weick 1993-5-8 269 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  RSA399004  Ceanothus jepsonii subsp. albiflorus Christopher Davidson 1977-6-20 6013 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UC583424  Ceanothus jepsonii var. albiflorus Elmer I. Applegate 1934-3-25 8860 Sonoma Pine Flat, W slope of Mayacama Mountains Comment
  SEINET12211093  Ceanothus jepsonii var. albiflorus I. Knight, Knightwedwards, S. 1986-1 5360 Sonoma Access from Healdsburg-Geysers Road 975 Comment
  CAS-BOT-BC63517  Ceanothus oliganthus var. sorediatus Wayne Roderick 1961-4-2 s.n. Sonoma NW. of Sea View (half way between Sea View and Fort Ross school). Comment
  CAS-BOT-BC51874  Ceanothus parryi F. T. Bioletti 1892-1-1 226 Sonoma unspecified Comment
  CAS-BOT-BC51894  Ceanothus parryi Rimo Bacigalupi 1926-5-2 1396 Sonoma Cazadero Comment
  UC73364  Ceanothus parryi Milo S. Baker May, 1899 Sonoma near Occidental; Green Valley Comment
  UC750534  Ceanothus parryi Lewis S. Rose 1947-5-9 47134 Sonoma Occidental 152 Comment
  SEINET13946221 Image available Ceanothus parryi Leo Koch 1939-1 631 Sonoma Campus of Santa Rosa Junior college. Comment
  UC1193290  Ceanothus prostratus R. H. Neuns 1950-5-17 112 Sonoma 4 mi airline from the Geysers (Sonoma-Lake County line); Quad. 60B4, 4 mi from the Geysers 990 Comment
  SEINET12211281  Ceanothus ramulosus W. Knight, Schmidt, C. 6056 Sonoma Cavedale Road 274 Comment
  CAS-BOT-BC53042  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western Base of Mt. Hood Comment
  CAS-BOT-BC53050  Ceanothus sonomensis Milo S. Baker 1946-2-14 11266 Sonoma Hope Valley near Chamberlain Place, region of Kenwood Comment
  POM248696  Ceanothus sonomensis J. T. Howell 1935-5-5 12609 Sonoma Slopes of Triniti Mountain, 2 miles E of Glen Ellen Comment
  UC1281389  Ceanothus sonomensis H. E. McMinn 1941-4-27 5324 Sonoma Trinity road, Mt. Hood Range. Comment
  UC58242  Ceanothus thyrsiflorus var. griseus A. A. Heller 1903-4-23 6606 Sonoma Fort Ross. Comment
  CAS-BOT-BC52396  Ceanothus velutinus Alice Eastwood 1915-6-6 4705 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC52399  Ceanothus velutinus Walter Knight; Irja Knight 1963-12-27 468 Sonoma Summit. Pine Flat Rd. Comment
  CAS-BOT-BC52417  Ceanothus velutinus var. velutinus Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  JEPS86737  Centaurea calcitrapa Jack and Betty Guggolz 1990-10-7 1099 Sonoma pasture at the highest point s of N. Gilchrist Road and e of Highway 16 N. Gilchris Road 60 Comment
  CDA7232  Centaurea iberica Bremner 1929-8-5 Sonoma Healdsburg region. 0 Comment
  CAS-BOT-BC277158  Centaurea melitensis G. DeNevers 1981-5-30 1413 Sonoma Pepperwood Ranch. In Bertoli's Creek Comment
  UCD130101  Centaurea solstitialis Gerry North 1993-4 28 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area. 60 meters south of vista point at old slide, northeast side of road. 335 Comment
  UC66150  Centaurium muehlenbergii A. A. Heller 1902-6-28 5793 Sonoma near Mark West Springs Comment
  CAS-BOT-BC288816  Centromadia fitchii Helen D. Geis 1902-8-1 572 Sonoma Unspecified Comment
  CAS-BOT-BC251311  Cerastium Peter Rubtzoff 1959-6-20 4155 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC388438  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCSB1851  Cerastium glomeratum Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna Rd. and College Rd. on Laguna Rd.; 5.1 miles north of Sebastopo; in Vinehill region Comment
  SEINET11908935  Cercocarpus betuloides W. Knight, Knight, I. 1981-1 3989 Sonoma 5.6 mi up Cavedale Road at summit from jct of state route #12 Comment
  CAS-BOT-BC135415  Cercocarpus betuloides var. betuloides A. A. Heller; H. E. Brown 1902-3-25 5147 Sonoma Near Mark West Springs Comment
  UC518989  Cercocarpus betuloides var. betuloides J. Clausen 1933-3-25 734 Sonoma Santa Rosa Creek Canyon 182 Comment
  CAS-BOT-BC279787  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma Ca. 2 mi. so. of Asti, along U.S. 101 Comment
  UCR19003  Chenopodium botrys John C. Roos 1948-8-29 3960 Sonoma North Coast Ranges, Healdsburg. Sandbar along Russian River Comment
  CAS-BOT-BC493397  Chlorogalum pomeridianum G. DeNevers 1981-5-30 1416 Sonoma In Bertoli's creek, Pepperwood Ranch Comment
  CAS-BOT-BC499258  Chlorogalum pomeridianum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC32799  Chorizanthe cuspidata var. villosa Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC257010  Chorizanthe membranacea H. N. Bolander 1860-1-1 3959 Sonoma At the geysers Comment
  CAS-BOT-BC285252  Cichorium intybus Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5857 Sonoma Llano Road 45 Comment
  CAS-BOT-BC285706  Cirsium occidentale var. occidentale Joseph Andorfer Ewan 1935-5-12 9221 Sonoma Bodega Bay road 2 mi. W. of Bodega Comment
  CAS-BOT-BC285709  Cirsium occidentale var. occidentale Ella Dales Cantelow 1941-6-7 3555 Sonoma State Hy 1 w. of Bodega Comment
  CAS-BOT-BC280369  Cirsium occidentale var. venustum Peter Rubtzoff 1952-6-3 1144 Sonoma South slope of Fitch Mtn., near Healdsburg Comment
  CDA1486  Cirsium occidentale var. venustum E. P. Delfino 1960-4-11 s.n. Sonoma Cloverdale; Rust Horn Ranch, Pine Mt. Rd. 0 Comment
  CAS-BOT-BC280532  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC285752  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  UC895054  Cirsium remotifolium var. odontolepis Marcus E. Jones, A. M. 1882-7-18 3385 Sonoma Duncan's Mills Comment
  RSA73992  Cirsium remotifolium var. odontolepis M. S. Baker 1931-5-22 5209 Sonoma Bennett Valley Road, south of Weavers. Comment
  CAS-BOT-BC169773  Cistanthe quadripetala Roger Raiche 1984-6-9 40204 Sonoma Mayacamas Mts., NW of fireroad at summit from end of Pine Flat Rd. (N of Socrates Mine) 975 Comment
  UCD166463  Citrullus lanatus Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. 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
  UC113993  Clarkia amoena Katharine Brandegee 1908-7-22 Sonoma Burbank's Garden Santa Rosa Comment
  POM180690  Clarkia amoena subsp. amoena J. T. Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  CAS-BOT-BC172210  Clarkia concinna A. A. Heller 1940-5-10 15600 Sonoma Near Fort Ross on a roadside bank. Comment
  CAS-BOT-BC172203  Clarkia concinna Wayne Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, n.e. of Santa Rosa 60 Comment
  SEINET10492116  Clarkia concinna David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20706 Sonoma 2 mi NW of Forestville on Hwy 116, Douglas Fir forest with some Oaks. Comment
  UC765874  Clarkia concinna subsp. concinna R. F. Hoover 1938-6-14 3603 Sonoma Mark West Springs Comment
  RSA209516  Clarkia concinna subsp. concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mountain, near Healdsburg Comment
  UCD104045  Clarkia davyi Frederica Bowcutt 1984-6-23 417 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. W of Highway 1, N of Gerstle Cove about 1/8 mile. 15 Comment
  SBBG4971  Clarkia gracilis H. and M. Dearing 1939-5-14 3344 Sonoma near Healdsburg 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-BC163137  Clarkia gracilis subsp. sonomensis Michener; Bioletti 1893-6-1 s.n. Sonoma Glen Ellen Comment
  JEPS43826  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mi e Glen Ellen 30 Comment
  UC58863  Clarkia gracilis subsp. sonomensis Milo S. Baker 1898-6-12 670 Sonoma between Cloverdale and Geyserville Comment
  CAS-BOT-BC163144  Clarkia gracilis subsp. sonomensis W. W. Carruth 1899-7-1 s.n. Sonoma Healdsburg Comment
  POM187553  Clarkia gracilis subsp. sonomensis Marcus E. Jones 1931-7-5 s.n. Sonoma Cloverdale Comment
  LA87839  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville Comment
  SD51807  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  CAS-BOT-BC164588  Clarkia purpurea subsp. viminea Dorothy Scherer 1997-5-20 127 Sonoma North side of Fort Ross Rd. and 1/8 mi. west of Seaview Rd, Fort Ross State Historic Park 457 Comment
  JEPS43668  Clarkia rhomboidea Eleanor Armstrong 1932-5-18 488 Sonoma 3 mi w Kenwood; Adobe Canyon 152 Comment
  CAS-BOT-BC165671  Clarkia unguiculata A. A. Heller 1902-6-11 5686 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC165673  Clarkia unguiculata Peter Rubtzoff 1952-6-9 1191 Sonoma Resort at east base of Fitch Mtn., nr. Healdsburg Comment
  RSA22256  Clarkia unguiculata Blanche Clear 1938-5-28 s.n. Sonoma Alexander Valley toward Geyserville Comment
  SEINET12194281  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -156 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  CAS-BOT-BC439316  Claytonia exigua subsp. exigua F. Almeda; G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch. Comment
  JEPS28104  Claytonia exigua subsp. exigua Roxana S. Ferris 1962-4-14 13585 Sonoma ca .12 mi beyond Sonoma County dump Comment
  UC583539  Claytonia gypsophiloides Elmer I. Applegate 1934-3-25 8846 Sonoma Sausal Creek Mayacamas Mountains (w foothills of Mayacamas Mountains) Comment
  CAS-BOT-BC439404  Claytonia gypsophiloides Ellen Searby 1955-5-1 135 Sonoma Unspecified 152 Comment
  CAS-BOT-BC439638  Claytonia parviflora subsp. parviflora Carl Meyer 1929-3-29 s.n. Sonoma Unspecified Comment
  CDA34795  Claytonia perfoliata Peter Warner 2010-3-29 122 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  CAS-BOT-BC443869  Claytonia sibirica Dorothy Scherer 1996-3-25 015 Sonoma Kolmer Gulch, west of Hwy 1 ca 250', Fort Ross State Historic Park 1 Comment
  UCR105444  Claytonia sibirica Peter Rubtzoff 1967-8-22 5851 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  RSA464447  Claytonia sibirica Anstruther Davidson 1931-05 3664 Sonoma Sonoma County (No data on label Comment
  RSA620423  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Sonoma County: Bodega Bay Marsh Comment
  UCD148396  Clinopodium Peter Rubtzoff 1957-6-28 3390 Sonoma Duncans Mills Marsh, upper portion of marsh. Comment
  UC1585374  Clintonia andrewsiana R. Raiche, K. Zadnik, and H. Forbes 1989-1-10 Sonoma 4.3 km e of Stewarts Point (on Skaggs Springs-Stewarts Point Road, along Gualala River); Gualala River 50 Comment
  UC672130  Clintonia andrewsiana Herbert L. Mason June, 1930 5659 Sonoma mouth of Gualala River Gualala River Comment
  RSA123629  Clintonia andrewsiana Allison Hastings 1940-4-12 s.n. Sonoma Coast Highway north of Fort Ross. Comment
  SEINET12047072  Clintonia andrewsiana F. H. Utech, Utech, C. L. 1972-1 72 -604 Sonoma Stewarts Point, ca 0.4 mi E of Stewarts Point (city) along Skagg Creek 76 Comment
  CAS-BOT-BC238061  Collinsia Alice Eastwood 1922-5-5 11290 Sonoma Mt. St. Helena Comment
  SEINET3159375  Collinsia concolor L. S. Rose 1939-5-14 39121 Sonoma 1 mi E of Bodega Bay Comment
  UC1012303  Collinsia heterophylla F. W. Pennell and H. L. Mason 1940-5-21 25481 Sonoma Kellogg, Route 28 Kellogg; , Route 28 274 Comment
  RSA138311  Collinsia sparsiflora Volney Rattan 1880-1 s.n. Sonoma Healdsburg. Comment
  JEPS21814  Collinsia sparsiflora var. arvensis Alvin W. Urquhart 1958-4-13 21 Sonoma 2 mi e Glenn Ellen (Sonoma Mt. rd) 304 Comment
  UC26556  Collinsia sparsiflora var. arvensis Edw. L. Greene 1892-4-20 Sonoma Knight's Valley Comment
  RSA52649  Collinsia sparsiflora var. arvensis I. L. Wiggins 1949-4-30 12065 Sonoma 4 miles west of Calistoga, just within the county line. Comment
  RSA52690  Collinsia sparsiflora var. arvensis I. L. Wiggins 1949-4-30 12061 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  UCR265087  Collomia heterophylla Ann Howald 2015-4-28 3373 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  SEINET13679568  Cordylanthus pallescens M. J. Williams, Wayne Roderick 1978-7-16 78- 228 -4 Sonoma Near Occidental. Comment
  CAS-BOT-BC238226  Cordylanthus tenuis subsp. brunneus Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5507 Sonoma Sweetwater Springs Road across from large old mine Comment
  UC1012239  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1904-7-3 26044 Sonoma ne Kenwood (summit); Hoods Peak 701 Comment
  CAS-BOT-BC101571  Corethrogyne filaginifolia L. R. Abrams 1920-7-3 7610 Sonoma near Stewarts Point Comment
  CAS-BOT-BC101573  Corethrogyne filaginifolia Mary P. Wells 1982-7-3 s.n. Sonoma Unit 34A, The Sea Ranch Comment
  UCD130836  Corethrogyne filaginifolia Mary M. Hektner; Sue Dakuzaku 1974-6-19 27 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  CAS-BOT-BC368068  Cornus Greg de Nevers 1998-5-25 11266 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At the caves 400 Comment
  CAS-BOT-BC212286  Cornus glabrata Peter Rubtzoff 1952-5-31 1105 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC212289  Cornus glabrata Peter Rubtzoff 1958-7-26 3815 Sonoma Laguna de Santa Rosa east of Sabastapol Comment
  CAS-BOT-BC212291  Cornus glabrata Greg de Nevers 1987-5-11 8168 Sonoma Knights Valley, 2 mi. S of Hwy 128 on Franz Valley Rd. 100 Comment
  CAS-BOT-BC212293  Cornus glabrata Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  JEPS50119  Cornus glabrata W. L. Jepson 1921-9-12 9488 Sonoma Alexander Valley 45 Comment
  UCR255674  Cornus nuttallii Greg de Nevers 1998-5-25 11266 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; at the caves. 400 Comment
  CAS-BOT-BC180190  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-9-15 296 Sonoma Los Alamos Rd., Santa Rosa Comment
  POM188384  Corylus cornuta var. californica Marcus E. Jones 1931-7-5 28850 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC376394  Cotoneaster Greg de Nevers 1994-3-26 10518 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  CAS-BOT-BC287241  Cotula australis Greg de Nevers 1992-4-6 10097 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Rd. By steps at Bechtel House 475 Comment
  POM66990  Cotula coronopifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  POM66993  Cotula coronopifolia Edward Palmer 1892-6-27 2400 Sonoma Petaluma. Comment
  CAS-BOT-BC427656  Crassula aquatica Peter Rubtzoff 1966-6-5 5755 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC427659  Crassula aquatica Peter Rubtzoff 1969-6-14 6074 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  RSA0073843  Crassula solieri Reid V. Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  CAS-BOT-BC143502  Crataegus gaylussacia Peter Rubtzoff 1958-5-4 3628 Sonoma Forestville Marsh Comment
  RSA0025202  Crataegus monogyna Peter Rubtzoff, Roman Gatkin 1975-5-21 7977 Sonoma San Bruno Mtns: 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction. Comment
  UCD148420  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UCD158831  Croton setiger James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2921 Sonoma The Geysers, Section 14. (Elevation estimated by label maker using Google Earth.) 533 Comment
  CDA36155  Crupina vulgaris Michael Perlmutter 2011-5-26 Sonoma Private land, owned by Fairway View Estates, adjacent to Annadel State Park. 0 Comment
  CAS-BOT-BC190148  Crypsis schoenoides Peter Rubtzoff 1958-9-27 4008 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  CAS-BOT-BC366890  Crypsis schoenoides Greg de Nevers 1997-9-29 11098 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCD60004  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. Comment
  UC280368  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC164356  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  UCD162162  Cupressus goveniana D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1515 Sonoma Hooker Creek watershed. 520 Comment
Read comments
Jul 25 2018
  RSA178043  Cupressus macnabiana Robert F. Thorne 1965-4-20 34367 Sonoma Head of Hooker Canyon on Cavedale Road, north of Sonoma 610 Comment
  CAS-BOT-BC85457  Cupressus sargentii Frederick H. Utech; W. Knight; Irja Knight 1984-4-18 84166 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC85472  Cupressus sargentii J. Ed. McClellan; Mrs. J. Ed. McClellan 1975-1-11 s.n. Sonoma Harrison Grade Rd. Comment
  UC570367  Cupressus sargentii Chas. M. Belshaw 1936-3-8 1557 Sonoma 2 mi ne Occidental; North Coast Range Comment
  UC583388  Cupressus sargentii Elmer I. Applegate 1934-3-25 8859 Sonoma w slope Mayacama Mts.; , Pine Flat Region Comment
  NY16847  Cupressus sargentii C. B. Wolf 1934-10-13 6184 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
  JEPS120456  Cuscuta Daniel Slakey 2013-8-11 62 Sonoma Salt Point State Park, just north of the parking area at Salt Point. Comment
  CAS-BOT-BC182776  Cuscuta pentagona Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. Comment
  RSA126600  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1.5 miles northeast of Graton 30 Comment
  UC1026477  Cynodon dactylon Peter Rubtzoff 1951-7-14 425 Sonoma Pitkin Marsh, southern half of Lower Marsh; near Forestville Comment
  UC816852  Cynodon dactylon Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  UC480633  Cynoglossum grande Carl Meyer 1928-3-3 315 Sonoma Santa Rosa Comment
  CAS-BOT-BC190430  Cynosurus echinatus G. DeNevers; M. Harding 1981-7-11 1757 Sonoma Pepperwood Ranch. In Garrison Canyon. Comment
  SD56797  Cynosurus echinatus D. F. Howe 1963-5-23 3527 Sonoma 3.8 miles north of Cloverdale on #128 334 Comment
  UCR254742  Cyperus Peter Rubtzoff 1970-9-2 6351 Sonoma Russian River bottom at Mirabel Park 5 Comment
  UC1057482  Cyperus eragrostis G. Thomas Robbins 1937-6-18 248 Sonoma Santa Rosa, Santa Rosa Creek Comment
  CAS-BOT-BC114518  Cyperus eragrostis Walter Knight; Irja Knight 1963-9-29 228 Sonoma In ditch on Lakeville hwy near freeway. Comment
  UCD54068  Cyperus eragrostis M. Wiesendanger 1927-5-5 1755 Sonoma Sonoma. Comment
  CAS-BOT-BC114341  Cyperus esculentus Peter Rubtzoff 1987-9-27 9858 Sonoma Russian River at Forest Hills, ca. 6 mi E of Guerneville. Comment
  RSA0025132  Cyperus niger Peter Rubtzoff 1970-7-17 6290 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC113907  Cyperus niger var. capitatus John Thomas Howell 1945-8-14 21412 Sonoma Perry marsh Comment
  CAS-BOT-BC114040  Cyperus squarrosus Peter Rubtzoff 1987-10-17 9871 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  CAS-BOT-BC435194  Cypselea humifusa H. K. Wagnon 1991-10-14 1993 Sonoma Jack London State Park. Comment
  UC1063767  Cystopteris fragilis E. Armstrong 1934-3-26 919 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle Comment
Read comments
Nov 14 2007
  CAS-BOT-BC189801  Dactylis glomerata Peter Rubtzoff 1962-6-19 4926 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC189803  Dactylis glomerata G. DeNevers 1981-5-20 1230 Sonoma Pepperwood Ranch. Leslie Creek and Mark West Creek. Comment
  UCD60294  Dactylis glomerata Collector unknown 1941-5-1 Sonoma Garden in Santa Rosa. Comment
  RSA0022473  Dactylis glomerata Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC445562  Damasonium californicum John Thomas Howell 1937-6-6 13012 Sonoma Sebastopol Comment
  CAS-BOT-BC192267  Danthonia californica A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC192270  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River 22 Comment
  UCD60982  Danthonia californica Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-21 43 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Hwy. 1. Comment
  UCD145304  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma bordering Pitkin Marsh. Comment
  UCD60498  Danthonia californica H. S. Yates 1934-4-22 3853 Sonoma 2 miles S of Mark West. 152 Comment
  CAS-BOT-BC293815  Deinandra corymbosa Milo S. Baker 1930-6-1 4168 a Sonoma Fappiano's Ranch just north of his Subdivision on Russian River. Near Healdsburg Comment
  RSA800287  Deinandra corymbosa Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC361290  Delphinium Greg de Nevers 1993-5-6 10436 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Weimar Flat 457 Comment
  CAS-BOT-BC9604  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley, west of Occidental Comment
  CAS-BOT-BC9607  Delphinium bakeri Milo S. Baker 1929-5-3 3429 c Sonoma Coleman Valley Comment
  CAS-BOT-BC9014  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay Comment
  CAS-BOT-BC9017  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9023  Delphinium decorum M. Hallet 1927-4-1 s.n. Sonoma Graton Comment
  RSA0016957  Delphinium decorum M. V. Ott 1934-3-31 75 Sonoma Larkspur Hill about 1 mi W of coast. Comment
  CAS-BOT-BC10345  Delphinium hesperium A. A. Heller 1902-4-1 s.n. Sonoma Santa Rosa Comment
  JEPS6232  Delphinium hesperium subsp. hesperium F. T. Bioletti 1893-5 Sonoma Hillside South Los Guilicos Comment
  CAS-BOT-BC10098  Delphinium luteum John Thomas Howell 1930-6-8 5261 Sonoma 1 mile east of Bodega Bay Comment
  UC725453  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma on steep hillside along State Hwy 1 about a mile or so e Bodega Bay Comment
  CHSC63924  Delphinium nudicaule John Hale 1990-4-13 25 Sonoma E of Austin Creek. 210 Comment
  POM150547  Delphinium nudicaule A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  RSA177904  Delphinium nudicaule Robert F. Thorne 1965-4-20 34359 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  JEPS83462  Delphinium patens subsp. patens Jack and Betty Guggolz 1985-4-27 699 BG Sonoma e Spring Lake; Spring Meadows (tentative subdivision) Comment
  CAS-BOT-BC7773  Delphinium variegatum J. P. Moore s.n. Sonoma Knight Valley Comment
  RSA26407  Delphinium variegatum J. T. Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  NY387587  Dendromecon myrtifolia A. A. Heller 1902-5-29 5618 Sonoma Mt. Hood Comment
  UCD95184  Dendromecon rigida K. Esau; E. Hyde 1938-5-25 s.n. Sonoma Mt. St. Helena. Comment
  SEINET5339603  Dendromecon rigida K. Brandegee 94 Sonoma Mt. St. Helena, North Coast Ranges, on slopes back of the Toll House. Comment
  CAS-BOT-BC11003  Dendromecon rigida subsp. rigida Mrs. H. C. Cantelow 1940-4-6 s.n. Sonoma Triniti Road, about 7 miles from Boyes Spring. Comment
  UCD35509  Deschampsia cespitosa Beecher Crampton 1957-7-22 4383 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD61232  Deschampsia cespitosa A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3572 Sonoma 7 miles northwest of Santa Rosa on road to Calistoga. Comment
Read comments
Sep 11 2012
  UC1100296  Deschampsia cespitosa subsp. cespitosa Herbert L. Mason 1946-7-4 12885 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC192606  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  UCD63817  Deschampsia cespitosa subsp. holciformis Mary M. Hektner; Sue Dakuzaku 1974-6-3 13 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD63820  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4333 Sonoma Sonoma Coast State Park along State Hwy. 1, 1.3 miles north of Salmon Creek. Comment
  RSA784393  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6084 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC201951  Deschampsia elongata Greg de Nevers 1992-6-26 10182 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC201953  Deschampsia elongata Greg de Nevers 1992-6-26 10182 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Franz Creek 91 Comment
  POM207093  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  RSA126943  Deschampsia elongata H. S. Yates 1936-5-16 5607 Sonoma 1 mile N.W. of Mountain View School; Sebastopol 91 Comment
  UCD63585  Deschampsia elongata Roxana S. Ferris; Laura Lorraine 1961-6-14 13544 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner. Comment
  CAS-BOT-BC209246  Dichanthelium acuminatum subsp. acuminatum Leo Koch 1938-6-12 311 Sonoma Pitkin Marsh about 10 miles west of Santa Rosa Comment
  CAS-BOT-BC502210  Dichelostemma capitatum Elsa G. Ruckert 1960-4-3 70 Sonoma Triniti Road. 1 mile from Highway 12. 228 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
  CAS-BOT-BC210062  Digitaria Peter Rubtzoff 1978-8-12 9250 Sonoma Russian River at Del Rio Beach, ca 2.5 mi. E of Healdsburg on So. Fitch Mtn. Road. Comment
  RSA783841  Digitaria Peter Rubtzoff 1971-8-23 6645 Sonoma Stony Point Road, just S of Hwy 116. Comment
  UCD64008  Digitaria sanguinalis Milo S. Baker 1942-8-27 10378 Sonoma At Maplewood. Comment
  UCD64147  Digitaria sanguinalis Beecher Crampton 1967-10-24 8220 Sonoma Ca. 4 miles east Black Point, State Hwy. 37. Comment
  CAS-BOT-BC152035  Diplacus aurantiacus D. E. Breedlove 1980-6-27 44754 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC153333  Diplacus layneae Mrs. C. A. Burlingame 1921-5-30 s.n. Sonoma Sonoma Comment
  CAS-BOT-BC151377  Diplacus tricolor James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  UCR248899  Distichlis spicata Peter Rubtzoff 1970-5-30 6234 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  HSC17868  Dodecatheon hendersonii R. F. Good 1962-4-20 23 Sonoma 2 mi. W of Petaluma on D St. Extension toward Pt. Reyes: Sonoma Mtn. Coastal Range 46 Comment
  CAS-BOT-BC154163  Downingia concolor var. concolor Peter Rubtzoff 1963-6-6 5162 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC156312  Downingia concolor var. concolor Peter Rubtzoff 1969-5-3 6024 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC488328  Downingia concolor var. concolor Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain, NW of Cit of Santa Rosa. Maggi Property located SW of the intersectin of Fulton and River Rds. Sampling pool #1 43 Comment
  UC28993  Downingia concolor var. concolor F. T. Bioletti May 1892 Sonoma Shellville Comment
  UCD150850  Downingia concolor var. concolor Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  UCR279876  Downingia concolor var. concolor Peter Rubtzoff 1969-5-3 6024 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  JEPS108527  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 149 -95 Sonoma Santa Rosa. Roadside ditch along Alton Lane, off of Fulton Rd., just N of Piner Rd. Comment
  JEPS29142  Downingia concolor var. concolor John H. Weiler 1961-4-30 6197 Sonoma 1.2 mi w Schellville railroad station (along State Highway 37) Comment
  SD108305  Downingia concolor var. concolor Walter Knight, Irja Knight 1980-5-12 Sonoma 0.5 mile south of junction of highways 116 and 121 in Sonoma Valley. Comment
  RSA0002274  Downingia cuspidata F. T. Bioletti 1893-6-10 s.n. Sonoma Los Giulucos. Comment
  CAS-BOT-BC154161  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UCD151171  Draba verna James A. Neilson Jr. 1974-3-27 3020 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  JEPS54476  Drosera rotundifolia Rimo Bacigalupi 1967-8-30 9313 Sonoma near eastern end of Templeman Road (se of Forestville); Pitkin Marsh 45 Comment
  CAS-BOT-BC401544  Drosera rotundifolia H. B. Humphrey 1908-5-15 s.n. Sonoma Bog near Santa Rosa Comment
  CAS-BOT-BC159445  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1952-6-10 1222 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  POM179770  Drymocallis glandulosa var. wrangelliana J. T. Howell 1930-6-8 5255 Sonoma 1 mile east of Bodega Bay Comment
  UC567049  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3755 Sonoma near Bodega; Sebastopol Quadrangle Comment
  SEINET3859844 Image available Drymocallis wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross.; 0 Comment
  CAS-BOT-BC411377  Dudleya caespitosa Roxana S. Ferris 1932-5-27 8260 Sonoma N end of Bodega Bay Comment
  CAS-BOT-BC428379  Dudleya farinosa Alice Eastwood 1915-6-5 s.n. Sonoma Calistoga Comment
  CAS-BOT-BC173585  Echinochloa crus-galli Peter Rubtzoff 1956-9-15 2901 Sonoma Atascadero Creek Marsh. Comment
  RSA118966  Echinochloa crus-galli L. S. Rose 1956-8-20 56148 Sonoma San Antonio Creek, Highway 101 3 Comment
  CDA1632  Egeria densa K. Meehan 1974-7-23 Sonoma Cattle pond on Agua Caliente Creek, 1/4 mile from the end of Norrbom Road. 0 Comment
  RSA227243  Elatine heterandra Peter Rubtzoff 1964-7-14 5400 Sonoma Bennett Mtn. Lake Comment
  RSA800156  Eleocharis Peter Rubtzoff 1970-8-18 6313 Sonoma 5 mi N of Sears Point. Comment
  UCD165782  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC113726  Eleocharis acicularis Catherine Best 1983-10-10 900 Sonoma Where water had receded at the Lake on Stoltz Lane ca. 2 mi NE of Occidental. Comment
  CAS-BOT-BC112072  Eleocharis quinqueflora Peter Rubtzoff 1951-8-5 596 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. 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-BC112203  Eleocharis radicans Peter Rubtzoff 1956-9-21 2933 Sonoma Vacation Beach, near Guerneville. Sancy beach of Russian River. Comment
  CAS-BOT-BC112271  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC112273  Eleocharis rostellata Peter Rubtzoff 1952-5-31 1127 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  RSA92834  Eleocharis rostellata Peter Rubtzoff 1951-7-8 404 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  RSA94017  Eleocharis rostellata Peter Rubtzoff 1952-5-31 1127 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh 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
  CAS-BOT-BC203720  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-12 1133 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  CAS-BOT-BC235232  Elymus multisetus G. DeNevers 1981-5-30 1415 Sonoma Pepperwood Ranch. In Bertoli's Creek Comment
  UCD62479  Elymus multisetus P. B. Kennedy 1920-5-29 Sonoma Highway between Hopland and Cloverdale. Comment
  CAS-BOT-BC166618  Epilobium canum subsp. canum Walter Knight; Irja Knight 1963-10-3 497 Sonoma Bennett Valley Comment
  CAS-BOT-BC268079  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1967-8-28 5867 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  UC455442  Epilobium ciliatum subsp. ciliatum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CAS-BOT-BC268117  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1970-6-21 6270 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA800033  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1524 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  POM259043  Epilobium ciliatum subsp. watsonii J. T. Howell 1938-7-3 13957 Sonoma Pitkin Marsh. Comment
  UC1122559  Epilobium ciliatum subsp. watsonii H. S. Yates 1934-4-21 3791 Sonoma near Bodega; Sebastopol Quadrangle Comment
  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
  CAS-BOT-BC262787  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC262822  Epilobium hallianum Peter Rubtzoff 1962-5-11 4824 Sonoma Laguna de Santa Rosa, east of Cunningham, near the Llano Road crossing. Comment
  RSA155508  Epilobium hallianum L. S. Rose 1962-6-1 62060 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  UCD148324  Epilobium torreyi Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  UCD167453  Epipactis gigantea James Neilson 1983-6-13 4100 Sonoma near headwaters of East Austin Creek. (Exact location unknown. Coordinates estimated by label maker.) 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-BC57044  Equisetum arvense John H. Thomas 1976-6-15 18324 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC57048  Equisetum arvense Peter Rubtzoff 1958-8-16 3879 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  RSA94451  Equisetum arvense Peter Rubtzoff 1951-7-1 332 Sonoma Lower part of Upper Marsh Comment
  RSA784476  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164652  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  RSA784475  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  UC1151492  Equisetum telmateia subsp. braunii H. E. Brown and A. A. Heller 1902-3-27 5161 Sonoma w base Mt. Hood Comment
  UC810265  Equisetum telmateia subsp. braunii Koch 1940-4-16 9543 Sonoma Hwy between Salmon Creek and Wright's Beach (Hwy. 1) Comment
  UC810419  Equisetum telmateia subsp. braunii L. Koch 1938-5-24 58 Sonoma 2 mi e Glen Ellen (canyon off Rutherford Rd.) Comment
  UCD135619  Equisetum telmateia subsp. braunii Christine Lee 1993-4-24 80 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. Hillside Trail. 381 Comment
  CAS-BOT-BC312697  Eragrostis Peter Rubtzoff 1970-9-2 6357 Sonoma Russian River bottom at Mirabel Park. Comment
  UCR248710  Eragrostis Peter Rubtzoff 1965-8-16 5601 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  UCD62972  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa. Comment
  RSA518745  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 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
  UC567089  Ericameria arborescens J. B. Spring 1932-7-7 97 Sonoma 2/5 mi sw Veader Mountain; Napa Quadrangle 609 Comment
  RSA94309  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  HSC100973  Erigeron serpentinus Peter Warner 2011-8-10 224 Sonoma Jenner Headlands Property, Upper Russian Gulch Pasture, N of power lines. 227 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-BC224152  Eriodictyon californicum Alice Eastwood 1915-6-5 4594 Sonoma Petrified Forest Comment
  RSA339415  Eriogonum cedrorum Roger Raiche 1984-6-23 40235 Sonoma The Cedars, north of Cazadero, headwaters of East Austin Creek, area called Red Slide. 549 Comment
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Oct 17 2013
  SEINET11933748  Eriogonum compositum Unknown 1984-1 40081 Sonoma Pritchett Peaks, SW of Cloverdale, E of Lake Sonoma 518 Comment
  JEPS82262  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  JEPS56788  Eriogonum latifolium W. L. Jepson 1931-7-19 15939 Sonoma sea-cliffs n of outlet (mouth) Salmon Creek Comment
  RSA393635  Eriogonum latifolium E. A. Purer 1932-7-16 16259 Sonoma Bodega Bay. Sandy bluff. Comment
  POM180770  Eriogonum latifolium J. T. Howell 1930-7-27 5414 Sonoma Exposed ocean bluff, 4 miles N of Bodega Bay. Comment
  SD22292  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  UC722369  Eriogonum latifolium C. L. Hitchcock, J. S. Martin 1939-7-15 5444 Sonoma cliffs below Bodega State Park Comment
  CAS-BOT-BC259469  Eriogonum luteolum R. F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade road near Occidental Comment
  CAS-BOT-BC259483  Eriogonum luteolum John Thomas Howell 1929-6-30 4320 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  CAS-BOT-BC259481  Eriogonum luteolum C. F. Leitholt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  CAS-BOT-BC270975  Eriogonum nervulosum Roger Raiche 1984-6-23 43234 Sonoma The Cedars, N. of Cazadero on King Ridge Road, headwaters Big Austin and East Austin Creeks, near Red Slide, E. Augstin Creek 548 Comment
  UC1478045  Eriogonum nervulosum Charlie Patterson Jun 16 1980-Jun 17 1980 Sonoma ca. 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  UCD100603  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC269749  Eriogonum nudum var. oblongifolium Peter Rubtzoff 1952-6-1 1133 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  SEINET11933965  Eriogonum ternatum Unknown 1984-1 40235 Sonoma The Cedars,N of Cazadero, headwaters of East Austin Creek, area called Red Slide 549 Comment
  SEINET6793133 Image available Eriogonum vimineum Sally Walker 1983-7-18 s.n. Sonoma 3 miles southwest of Occidental Comment
  CAS-BOT-BC262387  Eriogonum vimineum G. DeNevers 1981-9-12 1838 Sonoma Pepperwood Ranch. Crest of Franz Valley Road Comment
  CAS-BOT-BC301152  Eriophyllum lanatum var. achilleoides Roxana S. Ferris; Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CDA5240  Eriophyllum lanatum var. achilleoides T. C. Fuller 1958-5-24 4000 Sonoma Vinehill District. 0 Comment
  CHSC52665  Eriophyllum lanatum var. achilleoides James Jokerst 1985-5-29 2384 Sonoma Near Cobb Mountain. 1126 Comment
  CAS-BOT-BC301284  Eriophyllum lanatum var. arachnoideum G. DeNevers 1981-5-2 915 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC301292  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1930-6-8 5292 Sonoma 8.5 miles n. of Bodega Bay Comment
  UC1301027  Eriophyllum lanatum var. arachnoideum Helen K. Sharsmith 1963-5-25 5477 Sonoma on road from Freestone to Occidental; San Francisco Bay region 121 Comment
  UC88938  Eriophyllum lanatum var. arachnoideum Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  SEINET11842885  Eriophyllum lanatum var. arachnoideum W. Knight, Knight, I.; Edwards, S. 1986-1 5349 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 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
  UCD103250  Erodium moschatum Frederica Bowcutt; Kate Mawdsley 1996-3-24 2072 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  UC1365624  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-4-17 5682 Sonoma e. Graton (between Occidental and Guerneville rds., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC21013  Eryngium aristulatum var. aristulatum Alice King Sept. 1897 Sonoma Healdsburg Comment
  UC420513  Eryngium aristulatum var. aristulatum V. King Chesnut 1887-7 Sonoma Santa Rosa Comment
  UCR224675  Eryngium aristulatum var. aristulatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  UC1008919  Eryngium aristulatum var. aristulatum Milo S. Baker with Rubtzoff 1954-8-12 13036 Sonoma Coney Lake, Coney Ranch, Kenwood Kenwood, Coney Ranch, Coney Lake 365 Comment
  POM132680  Eryngium armatum A. D. E. Elmer 1903-07 4776 Sonoma Petaluma. Comment
  UC1122970  Eryngium armatum H. S. Yates 1937-8-22 6867 Sonoma 2 mi. s.e. Forestville; Sebastopol Quad. Comment
  JEPS46176  Erysimum capitatum var. capitatum Eleanor Armstrong 1933-4-15 792 Sonoma hillside Camp Meeker 45 Comment
  CAS-BOT-BC54764  Erysimum franciscanum Catherine Best 1981-5-2 s.n. Sonoma South side of the mouth of the Russian RIver. Comment
  SD40057  Erythranthe grandis Edith A. Purer 1932-7-24 4087 Sonoma Near Bodega Bay, moist place in sand dunes Comment
  CAS-BOT-BC366860  Erythranthe guttata Greg de Nevers 1998-3-30 11151 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Martin Creek, Handley Flat 400 Comment
  SEINET8370236  Erythranthe microphylla Robert F. Thorne 1965-4-19 34286 Sonoma near county dump on Stoetz Road off of Harrison Grade ca. 2 miles nne of Occidental. 183 Comment
  SEINET9633973 Image available Erythronium californicum Fred W. Hoffman 1947-4-20 1866 Sonoma Near Mercury, Geysers to Healdsburg. Comment
  UCD139635  Erythronium californicum R. E. Preston 1996-4-22 929 Sonoma 5.7 miles southeast of Hopland, on north ridge of Salt Canyon. 609 Comment
  SEINET12049789  Erythronium helenae F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -199 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC402864  Eschscholzia caespitosa Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 3 mi north of Occidental Comment
  UC1126388  Eschscholzia caespitosa E. Armstrong 1934-3-26 922 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle 91 Comment
  RSA177941  Eschscholzia caespitosa subsp. caespitosa Robert F. Thorne 1965-4-20 34361 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  CAS-BOT-BC403698  Eschscholzia californica Alice Eastwood 1921-4-24 10341 Sonoma Santa Rosa Comment
  UC112924  Eschscholzia californica Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  UCD158723  Eschscholzia californica James A. Neilson Jr. 1974-7-10 2834 Sonoma Mayacmas Mountains. Little Geysers well # 2. 731 Comment
  UCD95316  Eschscholzia californica Cathy Hendel 1974-7-25 172 Sonoma alongside the Kirkwood House, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD19300  Eucalyptus globulus Terry Reedy 1974-5-11 233 Sonoma Bodega Head, gully south of drive to Field Station. 6 Comment
  RSA135386  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Healdsburg. Comment
  CAS-BOT-BC540818  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road. Comment
  RSA0020337  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 mi east of Guerneville, at 9981 Old River Road. Comment
  UCR218738  Euphorbia oblongata George K. Helmkamp, E. A. Helmkamp 2010-6-4 16226 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
  HSC7992  Euphorbia peplus S. N. Wiemeyer 1962-1-27 1 Sonoma Santa Rosa, on the S.R. Junior College Campus. Comment
  CAS-BOT-BC354318  Euthamia occidentalis Peter Rubtzoff 1956-9-15 2915 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC239727  Fabaceae Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing Comment
  CAS-BOT-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-BC283186  Festuca californica subsp. californica G. DeNevers 1981-4-25 801 Sonoma Near the main Pepperwood entrance, along the creek runnin past the chicken-goat area, Pepperwood Ranch Comment
  CAS-BOT-BC283189  Festuca californica subsp. californica G. DeNevers 1981-5-5 929 Sonoma W arm of Garrison Canyon, Pepperwood Ranch Comment
  RSA123473  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma Near Bodega Port 8 Comment
  CAS-BOT-BC278393  Festuca elmeri Greg de Nevers 1987-6-1 8187 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC576335  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mi sw Petrified Forest; Calistoga Quad. 274 Comment
  UC1011029  Festuca elmeri Virginia Bufford 1936-5-20 315 Sonoma 5 mi from Mark West (Mark West Rd) Comment
  JEPS112968  Festuca idahoensis Dean W. Taylor 1994-5-4 14212 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  CAS-BOT-BC279076  Festuca rubra D. E. Breedlove 1980-6-28 44795 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD66359  Festuca rubra R. Tofsrud 1941-4-1 94 Sonoma Near Santa Rosa. Comment
  UCD66379  Festuca rubra Mary M. Hektner 1974-7-20 156 Sonoma Near State Highway 1, Sea Ranch, Unit 24 Owners' Map. Comment
  CAS-BOT-BC457580  Fragaria vesca subsp. californica Volney Rattan 1877-6-27 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC457582  Fragaria vesca subsp. californica J. W. Congdon only April written on sheet s.n. Sonoma Santa Rosa Comment
  UCD112526  Frangula californica Frederica Bowcutt 1994-6-24 1899 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Vista Trail about between Headwaters Trail and Gray Pine Trail. 457 Comment
  UCD35634  Frangula californica Beecher Crampton 1959-6-16 5363 Sonoma 3 miles west of Graton. Comment
  CAS-BOT-BC53272  Frangula californica subsp. californica Walter Knight; Irja Knight 1963-9-3 245 Sonoma Wiggins Hill Comment
  SJSU452  Fraxinus latifolia A. W. Jacobs 1939-7-20 Sonoma Russian R Terrace near Forestville Comment
  SJSU5729  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Cr, NE of Santa Rosa 121 Comment
  UC34903  Fraxinus latifolia W. A. Setchell 1897-6-16 Sonoma Cazadero Comment
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Dec 31 2015
  UC1299213  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1950-5-24 3591 Sonoma The Island, head of Devil Creek, a branch of East Austin Creek head of Devil Creek; North Coast Ranges, head of Devil Creek Comment
  UC1299214  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1948-6-16 2698 Sonoma North Coast Ranges, Red Slide, upper East Austin Creek East Austin Creek; North Coast Ranges, Red Slide, upper East Austin Creek Comment
  JEPS62312  Fritillaria affinis Milo S. Baker 1942-3-27 Sonoma Bodega Bay 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
  CAS-BOT-BC130359  Fritillaria liliacea Anita Noldeke 1940-4-1 s.n. Sonoma Near Sebastopol Comment
  UC72491  Fritillaria liliacea Milo S. Baker 1898-4 Sonoma near Santa Rosa Comment
  UC3632  Fritillaria recurva Jepson 1893-5-5 Sonoma Mount St. Helena Comment
  UCD112400  Fritillaria recurva Christopher Mallek 2008-5-2 HC1- 2 Sonoma Hooker Canyon. 590 Comment
  RSA177962  Fritillaria recurva Robert F. Thorne 1965-4-20 34381 Sonoma Charles Newmans place up Los Alamos Rd, on Rincon Ridge 396 Comment
  RSA304275  Fritillaria recurva James R. Shevock 1972-3-28 1485 Sonoma Highway 128, north of Cloverdale 91 Comment
  JEPS52870  Galium californicum subsp. californicum Lauramay T. Dempster and Jean Colton 1963-8-5 3874 Sonoma 2 mi w Cloverdale (on road to Boonville); Alder Glen Springs Comment
  JEPS52896  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3907 Sonoma 4.1 mi s Stewart's Point (on Hwy 1, w-facing roadbank near ocean) Comment
  UCD121756  Galium divaricatum F. Bowcutt 1994-5-21 1812 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 411 Comment
  UCD121863  Galium parisiense Frederica Bowcutt 1997-7-18 2181 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
  POM367848  Galium parisiense Christopher Davidson 1977-6-20 6039 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
  UCD121891  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  JEPS6610  Galium porrigens var. porrigens Willis L. Jepson 1892-8-7 Sonoma to Knights; Alexand Valley Grade Comment
  JEPS6613  Galium porrigens var. porrigens Willis L. Jepson 1894-7-19 Sonoma Mt. St. Helena Napa River Basin Comment
  UC421566  Galium porrigens var. porrigens John Thomas Howell 1929-6-9 4297 Sonoma 2 mi n Sonoma Comment
  UC480618  Galium porrigens var. porrigens Carl Meyer 1928-3-3 307 Sonoma Santa Rosa Comment
  SD58505  Galium porrigens var. porrigens Joseph T. Gregory 1936-3-15 1055 Sonoma East side of Russian River on road from Cloverdale to Hopland, first point north of drinking fountain Comment
  UCD121901  Galium porrigens var. porrigens Frederica Bowcutt 1994-5-21 1831 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 N of Kenwood. Along Hillside Trail past the junction with Digger Pine trail approx. 1/4 mile. 411 Comment
  UC28231  Galium tricornutum F. T. Bioletti June 1893 Sonoma Kenwood Comment
  UCD121928  Galium tricornutum R. N. Raynor 1939-1-14 s.n. Sonoma location unknown. Comment
  RSA264732  Galium trifidum Peter Rubtzoff 1962-7-14 4987 Sonoma Laguna. Chileno Valley. Comment
  UCD160113  Galium trifidum subsp. subbiflorum James A. Neilson Jr. 1973-6-3 2997 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC303495  Gamochaeta ustulata G. DeNevers 1981-5-30 1360 Sonoma Above Pippindale Pond Comment
  CAS-BOT-BC182160  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley near Chamberlain Place, Kenwood Region Comment
  CDA11138  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11549 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  UCD66549  Gastridium phleoides Beecher Crampton 1964-8-18 7147 Sonoma N.e. Sonoma County: The Geysers, Big Sulphur Creek. Comment
  CAS-BOT-BC278694  Gastridium phleoides Peter Rubtzoff 1962-9-16 5091 Sonoma Vacation Beach, 1.5 mi. below Guerneville Comment
  UCR248909  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh Comment
  UCR252996  Gastridium ventricosum Peter Rubtzoff 1973-7-24 7196 Sonoma Upper Green Valley Marsh Comment
  UCD105714  Genista monspessulana Frederica Bowcutt; Kate Mawdsley 1996-3-24 2093 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 1/4 air miles SW of Red Mountain. Just E of Goodspeed Trailhead, along Adobe Canyon Road immed. N of road, just S of Sonoma Creek. 243 Comment
  SDSU7153  Gentiana sceptrum D. F. Howe 1972-6-27 4841 Sonoma Near Pitkin Marsh. Comment
  UC1051644  Gentiana sceptrum Peter Kamb 1950-6-16 1862 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  UC17122  Geranium carolinianum H. N. Bolander 1864-1 3845 Sonoma Cloverdale Comment
  UC17155  Geranium core-core J. Burtt Davy 1896-3-13 1650 Sonoma Duncan's Mills Comment
  CDA36946  Geranium dissectum 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
  SEINET12183465  Geranium dissectum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -180 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  SFV8504  Geranium dissectum P. Kuehn 1967-5-27 35 Sonoma Ignacio Road. 61 Comment
  CDA36947  Geranium molle 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
  UC1130338  Geranium molle H. S. Yates 1934-4-21 3823 Sonoma near Duncan Mills; Duncan Mills Quad. 60 Comment
  UCR222558  Geranium robertianum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16239 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  RSA83102  Gilia capitata Verne Grant, Alva Grant 1947-5-4 7960 Sonoma Rincon grade, 4 miles northwest of Santa Rosa on road to petrified forest. Comment
  CAS-BOT-BC225282  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Sand dunes, upper Bodega Bay Comment
  POM179724  Gilia capitata subsp. chamissonis J. T. Howell 1930-6-8 5272 Sonoma North end of Bodega Bay. Comment
  UCD117853  Gilia millefoliata Chalres B. Heiser Jr.; J. Davidson 1946-4-14 1734 Sonoma Bodega Head. Comment
  JEPS41067  Githopsis diffusa subsp. robusta Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9111 Sonoma between 1 and 1.25 mi due w Napa County line (along the Franz Valley School road) 219 Comment
  OBI48604  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  UC1119751  Glebionis segetum H. S. Yates 1934-4-21 3807 Sonoma near Bodega Port; Duncan Mills 15 Comment
  UC894568  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  RSA177984  Glyceria declinata R. F. Thorne 1965-4-19 34293 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UC1446208  Glyceria declinata Paul But with Peter Rubtzoff 1974-4-6 1005 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC173801  Glyceria elata Peter Rubtzoff 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  UC1026485  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma near Forestville (Pitkin Marsh, s of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC282819  Glyceria leptostachya John Thomas Howell 1945-8-14 21390 A Sonoma Perry Marsh Comment
  UCR280126  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh 269 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
  RSA136603  Glycyrrhiza lepidota Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC173576  Gnaphalium Peter Rubtzoff 1968-8-18 5931 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC303844  Gnaphalium Alice Eastwood 1921-5-8 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC166779  Gnaphalium chilense Peter Rubtzoff 1955-8-20 2061 Sonoma Bodega Harbor Marsh. 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-BC166936  Gnaphalium chilense Peter Rubtzoff 1955-8-14 2052 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC176150  Gnaphalium chilense Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  POM232045  Gnaphalium chilense Roxana S. Ferris 1937-8-18 9375 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC302688  Gnaphalium palustre Peter Rubtzoff 1970-5-30 6236 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC302696  Gnaphalium palustre Peter Rubtzoff 1956-9-21 2935 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166709  Gnaphalium purpureum Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake. Comment
  SEINET8726299 Image available Godetia amoena Calvin, Phyllis McMillan 1951-1 1552 Sonoma with Ceanothus Jepsoni, Quercus durata, and Photinia arbutifolia; Northwest of Cloverdale on road to Boonville, ca. 1 mile east of Mendocino-Sonoma County line, Sonoma County. 335 Comment
  UC429316  Goodyera oblongifolia Franklin P. Nutting Sonoma Taylor Creek; Western Middle California, Taylor Creek Comment
  CAS-BOT-BC251302  Gratiola ebracteata Peter Rubtzoff 1955-7-30 1992 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC251313  Gratiola ebracteata Peter Rubtzoff 1958-4-26 3596 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD84290  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  SEINET11845375  Grindelia camporum W. Knight, Knight, I.; Knight, T. 1985-1 6349 Sonoma Pine Flat Road, between Jimtown & geothermal area Comment
  CAS-BOT-BC305181  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  CAS-BOT-BC305183  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC305188  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point road Comment
  CAS-BOT-BC305199  Grindelia hirsutula A. A. Heller 1902-7-8 5810 Sonoma Mark West Creek north of Santa Rosa Comment
  CAS-BOT-BC305200  Grindelia hirsutula D. E. Breedlove 1980-6-27 44780 Sonoma Pepperwood Ranch W of Knights Valley Comment
  SBBG45076  Grindelia hirsutula H. E. and S. T. Parks -Nov-1929 411 Sonoma Tubbs Island, sea level Comment
Read comments
Feb 9 2015
  UC468761  Grindelia hirsutula Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC305169  Grindelia hirsutula Walter Knight; Irja Knight 1963-10-29 434 Sonoma Between Two Rock Ranch and County Line Comment
  UC74946  Guillenia lasiophylla unknown 1903-4-20 2629 Sonoma Mt. Helena Comment
  CDA34789  Hedera helix Peter Warner 2010-3-1 110 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  CAS-BOT-BC306771  Helenium bigelovii John Thomas Howell 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  UC750807  Helenium bigelovii Charles B. Heiser Jr. 1946-5-19 1746 Sonoma Vine Hill Region Pitkin Marsh Comment
  UCD132741  Helenium bigelovii Charles B. Heiser Jr. 1946-5-19 1746 Sonoma Vine Hill region, Pitkin Marsh Comment
  POM187815  Helenium bigelovii Marcus E. Jones 1931-7-5 29104 Sonoma The Geysers. Comment
  RSA800481  Helenium bigelovii Peter Rubtzoff 1961-6-23 4645 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC262951  Helenium puberulum Peter Rubtzoff 1968-7-20 5927 Sonoma Upper Salmon Creek Marsh. Comment
  UC479400  Helenium puberulum Marcus E. Jones, A. M. 1931-7-5 29104 Sonoma The Geysers Comment
  UCR30567  Helenium puberulum John C. Roos 1948-8-28 3957 Sonoma North Coast Ranges, Barrel Spring, Mill Creek, near Healdsburg 152 Comment
  CAS-BOT-BC262953  Helenium puberulum Peter Rubtzoff 1959-9-12 4260 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC309584  Helenium puberulum D. E. Breedlove 1961-12-31 1442 Sonoma At S side of mouth of Russian River 6 Comment
  POM187816  Helenium puberulum Marcus E. Jones 1931-7-5 29103 Sonoma Cloverdale Comment
  POM187930  Helianthus bolanderi Marcus E. Jones 1931-7-5 29121 Sonoma The Geysers. Comment
  CAS-BOT-BC305967  Helminthotheca echioides Leonore Bravo 1982-9-12 s.n. Sonoma On road to Armstrong Grove, Guerneville Comment
  CAS-BOT-BC305970  Helminthotheca echioides Mary P. Wells 1985-9-2 613 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC268124  Hemizonia Peter Rubtzoff; Nancy Harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCD164995  Hemizonia Peter Rubtzoff; Nancy harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCD166414  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC258003  Hemizonia Peter Rubtzoff 1970-8-5 6302 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC305997  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  RSA800069  Hemizonia Peter Rubtzoff 1973-9-9 7306 Sonoma Kenwood Marsh. Comment
  RSA800288  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  RSA1110  Hemizonia clevelandii E. R. Johnson 1928-8-22 1111 Sonoma Cloverdale Comment
  RSA94176  Hemizonia clevelandii F. W. Peirson 1925-8-8 6347 Sonoma About 1 mile N of Santa Rosa. Comment
  CDA36844  Hemizonia congesta CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  RSA608263  Hemizonia congesta J. T. Howell, J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC306164  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1935-9-11 35622 Sonoma 2 mi. N. of Healdsburg 39 Comment
  JEPS38350  Hemizonia congesta subsp. clevelandii W. L. Jepson 1921-9-12 9489 Sonoma Hayground Alexander Valley (s side of valley) 45 Comment
  CAS-BOT-BC306128  Hemizonia congesta subsp. clevelandii E. R. Johnson 1928-8-22 1111 Sonoma Cloverdale Comment
  OBI49585  Hemizonia congesta subsp. clevelandii Caitlin Bean 1992-6-16 s.n. Sonoma Windsor at confluence of E Windsor Crk and Windsor crk Comment
  CAS-BOT-BC306233  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  SEINET7096780  Hemizonia congesta subsp. congesta A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane. Ca. 1 mile east of Occidental. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  UCD132980  Hemizonia congesta subsp. congesta Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental road with Facendini Lane. Comment
  CAS-BOT-BC306231  Hemizonia congesta subsp. congesta H. M. Hall 1931-5-26 13079 Sonoma Six miles northwest of Petaluma Comment
  HSC100963  Hemizonia congesta subsp. congesta Peter Warner 2011-5-28 202 Sonoma Cresta Ranch (Sonoma Co. Ag. Preservation and Open Space Dist. Property; off Mark West Springs Rd. at Mark West Lodge), upslope S from Cresta Rd. ~67 m, near west property boundary. 154 Comment
  UC1999849  Hemizonia congesta subsp. congesta Ethel Crum 1930-1 Sonoma Petaluma, California Comment
  CAS-BOT-BC309672  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma At Sebastopol 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
  UC990603  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-7-10 504 Sonoma 4 mi nw Cloverdale; Boonville Comment
  CAS-BOT-BC309709  Hemizonia congesta subsp. lutescens James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  CAS-BOT-BC309714  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5409 Sonoma 8 miles south of Ft. Ross Comment
  CAS-BOT-BC309727  Hemizonia congesta subsp. lutescens J. McMurphy 1910-6-8 s.n. Sonoma Hills east of Petaluma Comment
  CAS-BOT-BC309945  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles ne. of Penngrove 426 Comment
  CAS-BOT-BC309950  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 s.n. Sonoma Valley across hills from Petaluma Comment
  RSA159436  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -B Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  RSA81567  Hemizonia lutescens James I. McMurphy 1909-8-9 714 -B Sonoma 4.5 miles S of Santa Rosa. Comment
  RSA0028848  Hemizonia multicaulis subsp. vernalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  SEINET11845321  Hemizonia multicaulis subsp. vernalis C. F. Quibell 1976-1 1369 Sonoma Marshall-Petaluma Rd Comment
  SEINET11843059  Hemizonia pungens W. Knight, Knight, I. 1984-1 5422 Sonoma Willow Creek Rd 61 Comment
  SEINET12121673  Heracleum lanatum F. H. Utech 1986-1 86 -126 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 200 Comment
  UCR261633  Hesperevax sparsiflora var. sparsiflora Ann Howald 2003-5-15 2334 B Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek 151 Comment
  OBI70563  Hesperocyparis macnabiana D. G. Kelch 2007-5-13 7 .284 Sonoma Cavedale Rd 518 Comment
  UC903717  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma sw slope just above Baker ranch; Hood Mt. 213 Comment
  RSA151707  Hesperolinon clevelandii H. K. Sharsmith 1947-5-30 3966 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  CDA28491  Hesperolinon micranthum D. G. Kelch 2007-5-13 7 .295 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  RSA143958  Hesperolinon micranthum Roxana S. Ferris, Laura Lorraine 1961-6-15 13560 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  UCD110543  Hesperolinon micranthum Herbert L. Mason 1946-7-4 12895 Sonoma Two miles east of Occidental on Harrison Grade. Comment
  JEPS82313  Hesperolinon spergulinum Roger Raiche 1983-7-5 30484 Sonoma Occassional. Northeast of Plantation relatively open slope facing northwest, Tin Barn Road (3.5 mi north from King Ridge Road). Comment
  UCD151299  Hesperolinon spergulinum James A. Neilson Jr. 1974-7-24 2967 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCD19305  Hesperomecon linearis Terry Reedy 1974-5-11 211 Sonoma Bodega Head, sand dunes. 13 Comment
  CAS-BOT-BC149832  Heteromeles arbutifolia Peter Rubtzoff 1952-6-15 1268 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC311162  Heterotheca sessiliflora subsp. bolanderi Carl B. Wolf 1927-9-2 1345 Sonoma 2 miles south of Anchor Cove Comment
  UCD133084  Heterotheca sessiliflora subsp. bolanderi Mary M. Hektner 1976-9-16 269 Sonoma below south end of yardarm Drive, Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC420945  Heuchera micrantha var. diversifolia G. DeNevers 1981-6-6 1464 A Sonoma Pepper wood Ranch. Woodland on N slope of Telegraph Hill Comment
  RSA0063143  Heuchera micrantha var. hartwegii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC424435  Heuchera pilosissima Catherine Best 1985-5-15 1091 Sonoma Coleman Valley Road about 3 miles W of Occidental Comment
  RSA0063041  Heuchera pilosissima Herbert Thomas 1933-5-12 s.n. Sonoma Near Larkspur Rock. Comment
  RSA143957  Hierochloe occidentalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  RSA0016775  Hippuris vulgaris Peter Rubtzoff 1955-8-13 2042 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  UCD105868  Hoita macrostachya Frederica Bowcutt 1994-6-24 1903 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek at seasonal creek crossing near trail head. 396 Comment
  UCD105878  Hoita macrostachya E. M. Loeb 1930-7-1 s.n. Sonoma Wappo Indians, Redwood Highway, 1 1/2 miles below Healdsburg. Dept. of Anthropology. Comment
  CAS-BOT-BC280788  Holcus lanatus G. DeNevers 1981-6-6 1485 Sonoma Pepperwood Ranch. At a marsh on E side of Road Comment
  CAS-BOT-BC280799  Holcus lanatus John H. Thomas 1976-6-16 18337 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  POM114472  Holcus lanatus Marcus E. Jones 1882-7-18 3546 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC280796  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
  HSC89935  Holcus lanatus Delzie Demaree 1955-6-12 36964 Sonoma Bottoms in Westminster Woods. Comment
  CAS-BOT-BC376282  Holocarpha virgata Greg de Nevers 1995-9-30 10774 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  POM91554  Holodiscus discolor Marcus E. Jones 1882-7-18 3579 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC152392  Holodiscus discolor var. discolor G. DeNevers 1981-5-26 1325 Sonoma Near Phillips House, Pepperwood Ranch Comment
  CAS-BOT-BC166739  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake. Comment
  UCR279627  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 363 Comment
  SEINET257978 Image available Hordeum brachyantherum Mary E. Barkworth, D Amme 1989-6-15 5174 Sonoma S end of Bodega Head on restored grassland 81 Comment
  UCD85403  Hordeum brachyantherum Hursh 1919-5-13 X 3244 Sonoma Santa Rosa. Comment
  CAS-BOT-BC285192  Hordeum marinum subsp. gussoneanum David L. Morgan 1956-5-13 s.n. Sonoma 2.5 miles west of Petaluma on the I Street extension road Comment
  UC1023582  Hordeum marinum subsp. gussoneanum Virginia Bufford 1936-5-19 264 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UC573658  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 mi nw Graton; Sebastopol Quad. Comment
  UCD85878  Hordeum marinum subsp. gussoneanum David L. Morgan 1956-5-13 s.n. Sonoma 2 miles W of Petaluma on 'I'st. Ext. Comment
  CAS-BOT-BC282021  Hordeum murinum subsp. leporinum Peter Rubtzoff 1960-5-22 4400 Sonoma Laguna de Santa Rosa area E of Graton (between Occidental and Guerneville Rds) Comment
  SEINET4670524  Hordeum murinum subsp. leporinum R. Halse 1987-2-22 3375 Sonoma Along State HWY 121, 0.4 miles east of its junction with State HWY 116 at Big Bend in the Sonoma Valley. 6 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
  CAS-BOT-BC282023  Hordeum murinum subsp. leporinum David L. Morgan 1956-4-8 s.n. Sonoma 4 miles W of Sebastopol, at junction of Burnside and Gold Ridge Roads Comment
  SEINET11690143  Hordeum murinum subsp. leporinum J. T. Howell, Knight, W.; Knight, I. 1987-1 6232 Sonoma corner Todd & Llamo Rds, Todd Road Preserve 24 Comment
  POM35453  Horkelia californica A. A. Heller 1902-6-27 5783 Sonoma West of Windsor near Russian river. Comment
  UC903149  Horkelia californica Ethel Crum 1930-6-8 753 Sonoma 8 mi n Bodega Bay Comment
  UCD160917  Horkelia californica James A. Neilson Jr. 1975-7-8 3379 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  JEPS78465  Horkelia tenuiloba Edward Lee 1936-6-7 Sonoma Near Highpoint (on the fire trail); Bohemiam Grove Comment
Read comments
Dec 10 2008
  UCD106011  Hosackia gracilis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-5 126 Sonoma Unit 35-C Owners' Map, Sea Ranch, near State Highway 1. Comment
  SBBG4757  Hypericum concinnum H. and M. Dearing 1939-5-14 3345 Sonoma near Healdsburg Comment
  SEINET5501095  Hypericum concinnum Sally Walker 1981-5-18 Sonoma Franz Valley Rd, .10 mi S of F.V. School Rd. Comment
  SBBG8489  Hypochaeris radicata H. and M. Dearing 1939-4-29 3224 Sonoma 4 mi N of San Rafael Comment
  RSA48719  Iris fernaldii Lee W. Lenz 1949-5-3 14426 Sonoma About 1 mile from Petrified Forest on road to Calistoga. 610 Comment
  UC972202  Iris longipetala J. Harry Goff 1935-4-25 Sonoma Kenwood; Goff Ranch Comment
  RSA135851  Iris purdyi E. K. Balls, Lee W. Lenz 1951-5-10 16539 Sonoma 1.8 miles northwest of junction of Highway 101 and Highway 28, road to Yorkville Comment
  CAS-BOT-BC376228  Isoetes Greg de Nevers 1993-3-7 10318 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Above Double Ponds spring 304 Comment
  RSA784488  Isoetes Peter Rubtzoff 1969-5-24 6058 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC57734  Isoetes howellii Greg de Nevers 1992-6-16 10165 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC57738  Isoetes howellii John Thomas Howell 1937-6-6 13015 Sonoma Sebastopol Comment
  SEINET10794085  Isoetes howellii Wayne Roderick Roderick s.n. Sonoma In a vernal pool, in the Sonoma Mountains east of Cotati, on the Rivers Ranch. 305 Comment
  CAS-BOT-BC112410  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh Comment
  HSC100952  Isolepis carinata Peter Warner 2011-5-13 191 Sonoma Jenner Headlands, Upper Russian Gulch Pasture, near S fence-line with Boat Field, small drainage flowing NW towards Russian Gulch. 248 Comment
  CAS-BOT-BC112564  Isolepis cernua John Thomas Howell 1937-6-6 13027 A Sonoma Pitkin Marsh Comment
  RSA298528  Isolepis cernua Robert A. Norris, John L. Inase, Allen Nakagawa, Willie J. Roberts, Michael Kurtz, Nelson R. Powers 1982-8-8 4434 Sonoma Sonoma State Beach, near Goat Rock Picnic Area, across mouth of Russian River from Jenner. Comment
  SEINET4170787 Image available Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Just north of Salmon Creek Comment
  CAS-BOT-BC340232  Jaumea carnosa Roxana S. Ferris 1937-8-18 9372 Sonoma Near mouth of Salmon Creek on Bodega Bay Comment
  SEINET2064756 Image available Juglans californica Royal D. Suttkus 1967-6-25 67 -281 Sonoma Russian River, 1 mile E of Alexander Comment
  CAS-BOT-BC109884  Juncus Peter Rubtzoff 1974-10-20 7938 Sonoma Hinebaugh Creek in Rohnert Park.Creek east of Commerce Blvd. Comment
  JEPS30835  Juncus breweri Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8591 Sonoma just n Horseshoe Cove ((indicated on Bodega Head U.S.G.S. Sheet as depressed contour)); Bodega Head Comment
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Dec 13 2006
  UCD141372  Juncus bufonius Jennifer Bury; Peggy Herzog 1993-5-8 251 b Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 371 Comment
  CDA18034  Juncus bufonius R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena. 0 Comment
  SEINET7042397  Juncus bufonius A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC2506  Juncus bufonius var. bufonius J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  CAS-BOT-BC182750  Juncus dubius Peter Rubtzoff; Betty Lovell 1975-8-11 8314 Sonoma Kenwood Marsh Comment
  UC1026467  Juncus dubius Peter Rubtzoff 1951-7-8 395 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  CAS-BOT-BC164038  Juncus effusus Peter Rubtzoff 1970-8-19 6337 Sonoma Sonoma: Austin Creek bank, 0.5 mi. north of Cazadero Comment
  UCR51378  Juncus effusus L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Range, Pine Flat Road, spring near Contact Mine Comment
  RSA785890  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mill Marsh. Comment
  CAS-BOT-BC157984  Juncus effusus subsp. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh Comment
  UCD160848  Juncus effusus subsp. pacificus James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3288 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  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
  UCD84293  Juncus hemiendytus var. hemiendytus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD167419  Juncus hesperius Peter Rubtzoff 1964-8-3 1634 Sonoma Lower Salmon Creek Marsh. Comment
  UCD148464  Juncus hesperius Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  POM111129  Juncus lescurii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UCD19308  Juncus lescurii Terry Reedy 1974-5-11 207 Sonoma Bodega Head, in freshwater marsh. 6 Comment
  UC1026468  Juncus orthophyllus Peter Rubtzoff 1952-5-31 1124 Sonoma lower part Upper Marsh; Pitkin Marsh, Upper Marsh Comment
  SEINET3881146  Juncus tenuis Carol Witham, Jennifer Buck 2002-5-6 305 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool # TOD001.; 0 Comment
  CAS-BOT-BC235900  Keckiella corymbosa Rimo Bacigalupi 1947-8-17 2850 Sonoma On dirt road just above and east of Cazadero, (County road to Guernewood Park), in canyon of Austin Creek Comment
  RSA45356  Keckiella corymbosa R. C. Bacigalupi 1947-8-17 2850 Sonoma On dirt road just above and east of Cazadero, (County road to Guernewood Park), in canyon of Austin Creek. Comment
  UC903716  Koeleria macrantha Milo S. Baker 1947-5-7 11733 Sonoma 2 mi n Kenwood (above house at Maplewood); n of Kenwood Comment
  CAS-BOT-BC499665  Kopsiopsis strobilacea Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC341711  Lagophylla ramosissima James I. McMurphy 1909-7-10 503 Sonoma Hills near Cloverdale Comment
  CDA2224  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail. 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
  UCSC007232  Lasthenia Randall Morgan 2003-6-27 3992 Sonoma Colony on low coastal bluff halfway along Salt Pt. State Park, Sonoma Coast Comment
  UCR267442  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, south of River Rd. and west of Fulton Rd., just north of Wood Rd. Sampling pool # 4 45 Comment
  SEINET11447674  Lasthenia burkei P. Rubtzoff 1974-1 Sonoma Comment
  JEPS6195  Lasthenia californica subsp. bakeri Peter Kamb 1950-6-17 1877 Sonoma 2.9 mi w of fork in road to Bodega and Valley Ford (s side Cheney Gulch); Larkspur Rock 30 Comment
  UCD33659  Lasthenia californica subsp. macrantha Beecher Crampton 1971-6-6 8720 Sonoma Carmet, Sonoma Coast State Park. Comment
  CAS-BOT-BC355524  Lasthenia glaberrima Peter Rubtzoff 1958-5-10 3654 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  CAS-BOT-BC370894  Lasthenia minor Alice Eastwood 1915-6-29 4837 Sonoma Bodega Point Comment
  RSA32729  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma On the bluff N of the town of Bay, Bodega Bay. Comment
  UC499848  Lasthenia minor Roxana S. Ferris 1932-5-27 8256 Sonoma n end of Bodega Bay Comment
  UC726341  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma n of the town of Bay; Bodega Bay Comment
  CAS-BOT-BC370855  Lasthenia minor Ella Dales Cantelow 1941-4-14 3545 Sonoma Near Ocean. Mouth of Salmon Creek Comment
  RSA783472  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa Comment
  UCD106230  Lathyrus hirsutus T. C. Fuller 1969-10-1 18964 Sonoma N. and S. of Santa Rosa, Rohnert Park. Comment
  CAS-BOT-BC344876  Lathyrus jepsonii Peter Rubtzoff 1958-7-19 3771 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC204992  Lathyrus jepsonii var. californicus A. A. Heller 1902-6-7 5659 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  HSC100959  Lathyrus torreyi Peter Warner, Sarah Gordon 2011-5-16 198 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), Fern Trail along lower to mid-Mill Creek. 273 Comment
  UC864425  Lathyrus vestitus var. alefeldii Marcus E. Jones, A. M. 1882-7-17 3576 Sonoma Duncan's Mills Comment
  UC15369  Lathyrus vestitus var. vestitus Harley P. Chandler 1900-5-25 701 Sonoma Bodega Bay Comment
  CDA5656  Lavandula stoechas Gordon Leppig 2000-4-22 1311 Sonoma Fuller Mountain Road. Near summit of Fuller Mountain. 0 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-BC323233  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 miles E of Shellville (just E of intersection of Sonoma road). Comment
  CAS-BOT-BC323231  Layia chrysanthemoides David D. Keck 1933-5-28 2319 Sonoma 2 miles N of Sears Point Comment
  RSA785922  Layia chrysanthemoides Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC379620  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  JEPS82234  Layia platyglossa Roger Raiche 1983-7-5 30486 Sonoma Horseshoe Pt Comment
  UC584226  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 mi s Jenner Comment
  CAS-BOT-BC379576  Layia platyglossa John Thomas Howell 1976-6-15 18261 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles outh of Gualala 30 Comment
  RSA0034026  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCD164539  Lemna Peter Rubtzoff; Betty Lovell 1975-8-11 8312 Sonoma Kenwood Marsh. Comment
  UCD148506  Lemna gibba Peter Rubtzoff 1965-11-9 5666 Sonoma Stony Point Marsh. Comment
  UCR254446  Lemna minima Peter Rubtzoff 1961-10-17 4769 Sonoma Cunningham Marsh [near 1460 Big Cedar Lane, Sebastapol, CA] 38 Comment
  CAS-BOT-BC344879  Lemna minor Peter Rubtzoff 1961-9-20 4755 Sonoma Duncans Mills Marsh. Comment
  RSA0028899  Lemna minor Peter Rubtzoff 1961-6-23 4655 Sonoma Bennett Mountain Lake Comment
  SEINET11768003  Lemna minor Unknown 1940-1 1011 Sonoma behind Fountaingrove Vineyard 3 mi N of Santa Rosa along Hwy 101 Comment
  POM258953  Lepidium didymum C. L. Hitchcock, J. S. Martin 1939-7-15 5445 Sonoma Cliffs below Bodega State Park Comment
  RSA790009  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC12660  Lepidium nitidum A. A. Heller 1902-3-14 5054 Sonoma Santa Rosa. Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  CAS-BOT-BC273997  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1961-10-15 4760 Sonoma Vacation Beach, 2 miles below Guerneville Comment
  CAS-BOT-BC366884  Leptochloa fusca subsp. fascicularis Greg de Nevers 1997-9-22 11089 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCD158801  Leptosiphon androsaceus James A. Neilson Jr. 1969-4-16 2869 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  RSA0063629  Leptosiphon androsaceus A. A. Heller, H. E. Brown 1902-4-2 5199 Sonoma Hills Northeast of Santa Rosa. Comment
  RSA122133  Leptosiphon androsaceus E. Armstrong 1934-3-26 936 Sonoma 4 miles N. of Camp Meeker 61 Comment
  RSA67007  Leptosiphon androsaceus E. K. Balls 1951-5-10 16536 Sonoma 0.3 miles south of Mendocino-Sonoma Co. line on Hwy 28. Comment
  UCD118606  Leptosiphon bicolor Botany 102 Students 1993-4-24 100 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1.25 air miles SE of Red Mountain. SE of Sonoma Creek. 396 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
  CAS-BOT-BC324191  Lessingia hololeuca Catherine Best 1981-8-23 s.n. Sonoma On Stoltz lane, 2 miles east of Occidental Comment
  CAS-BOT-BC341997  Lessingia ramulosa J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  UC1287461  Lessingia ramulosa Willard Spence 1960-9-13 631 Sonoma 2.5 mi w Graton (at junction of Graton Rd. and Green Hill Rd.) Comment
  CAS-BOT-BC342001  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  SEINET10618325 Image available Lessingia ramulosa A. Arthur Heller 1902-8-18 Heller 6049 Sonoma Santa Rosa. Comment
  UCD92466  Leymus X vancouverensis Beecher Crampton 1959-6-16 5402 Sonoma Doran Park, south end of Bodega Bay. Comment
  CAS-BOT-BC273566  Leymus californicus G. DeNevers 1981-7-1 1731 Sonoma Pepperwood Ranch. In the Pippindale Garden Comment
  CAS-BOT-BC251169  Leymus triticoides Peter Rubtzoff 1956-9-22 2941 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC451708  Lilaea scilloides Peter Rubtzoff 1955-4-30 1799 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC451712  Lilaea scilloides Peter Rubtzoff 1962-8-22 5056 Sonoma Bodega Bay Marsh. Comment
  RSA276592  Lilaeopsis occidentalis Lincoln Constance 3880 Sonoma Sonoma County: Shallow water with Salix Bodega Bay Comment
  RSA304185  Lilium maritimum S. Ganley 1971-5-31 691 Sonoma North of Fort Ross. 46 Comment
  CAS-BOT-BC130835  Lilium pardalinum J. W. Congdon 1880-6-21 s.n. Sonoma Sebastopol Road Comment
  CAS-BOT-BC123087  Lilium pitkinense Lawrence Beane; Albert Michael Vollmer 1954-7-20 1270 Sonoma in the Pitkin Marsh Comment
  CAS-BOT-BC110616  Limnanthes Charles Piper Smith 1908-4-1 1383 Sonoma Petaluma. Base of hills on east side of valley. Comment
  POM126412  Limnanthes douglasii subsp. douglasii I. J. Condit 1913-3-7 s.n. Sonoma Petaluma Comment
  UC17900  Limnanthes douglasii subsp. douglasii W. H. Brewer 1862-4-18 972 Sonoma near Sonoma Comment
  UC75635  Limnanthes douglasii subsp. douglasii Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC45944  Limnanthes vinculans Peter Rubtzoff 1962-5-25 4830 Sonoma Laguna de Santa Rosa north of Sebastopol, nr. Occidental Rd. crossing. Comment
  UCR279857  Limosella acaulis Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UCR279858  Limosella acaulis Peter Rubtzoff 1966-4-17 5675 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UC106679  Linanthus androsaceus Katharine Brandegee Jun 1905 Sonoma Bodega Heak Bodega Head Comment
  SEINET6969972  Linanthus androsaceus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma About 7.8 miles south-southeast of Annapolis. Northwest Sonoma County Comment
  UC730032  Linanthus jepsonii Leo F. Koch 1940-4-22 832 Sonoma 15 mi from Geysers; Sulfur Creek Canyon Comment
  SEINET12186107  Linum bienne W. Knight, Knight, W. 1984-1 5116 Sonoma Parking lot median strip, Gualala Point Regional Park Comment
  JEPS117116  Linum trigynum Peter Warner 2010-6-16 167 Sonoma Jenner Headlands, Knoll Field, 203 m S 244 deg. W of residence house Comment
  CAS-BOT-BC36015  Lithocarpus densiflorus var. densiflorus Irja Knight; Walter Knight 1964-11-15 773 Sonoma Hood's peak at Johnson Lake Comment
  CAS-BOT-BC435674  Lithophragma heterophyllum Alice Eastwood 1923-5-9 11755 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC361326  Livistona Greg de Nevers 1997-8-19 11082 Sonoma Santa Rosa, Peterson Lane Comment
  UC581113  Logfia gallica H. L. Mason 1934-4-28 8078 Sonoma head of Dohrman Creek; Josephs Ranch Comment
  CAS-BOT-BC283287  Lolium multiflorum Peter Rubtzoff 1951-7-7 373 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  UCD66189  Lolium multiflorum Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 B Sonoma Sea Ranch, near State Highway 1. Comment
  POM133383  Lomatium californicum A. A. Heller, H. E. Brown 1902-3-28 s.n. Sonoma Hills at Santa Rosa Comment
  RSA97148  Lomatium caruifolium F. W. Peirson, Mabel Peirson 1926-4-1 6548 Sonoma 6 miles south of Cloverdale Comment
  SD130503  Lomatium dasycarpum F. Almeda, G. DeNevers 1981-4-28 4911 Sonoma Pepperwood Ranch, near Bechtel cabin. Comment
  SEINET5321344  Lomatium dasycarpum A. G. Vestal 1962-4-11 Sonoma Occidental; 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN Comment
  SEINET7040129  Lomatium dasycarpum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  JEPS86812  Lomatium dasycarpum subsp. dasycarpum Jack and Betty Guggolz 1991-5-4 1123 Sonoma top of Bradford Mt. (1 mi. w. of Dry Creek Rd.) 365 Comment
  JEPS79430  Lomatium macrocarpum Nancy Harrison 1980-4-6 2095 Sonoma near Glen Ellen (Sonoma Valley Park, s. on cow trail going down steep slope); Sonoma Valley Park Comment
  CAS-BOT-BC217811  Lomatium repostum Alice Eastwood 1915-6-6 4659 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC217813  Lomatium repostum John Thomas Howell 1966-6-2 41551 Sonoma In hills E. of Aqua Caliente Comment
  UC1123059  Lomatium utriculatum H. S. Yates 1934-4-21 3794 Sonoma near Bodgea; Sebastopol Quad. Comment
  UC21208  Lomatium utriculatum F. T. Bioletti 1893-6-10 Sonoma Hood's Peak Comment
  UC333728  Lomatium utriculatum Hy. Edwards May 1877 316 Sonoma Knights Valley Comment
  SD241724  Lomatium utriculatum Dean Wm. Taylor 1994-5-4 14213 Sonoma Ca. 2 miles SW of Occidental; at junction of Bittner Road and Joy Road (Camp Meeker 7.5'Q) 249 Comment
  POM132577  Lomatium vaginatum A. A. Heller, H. E. Brown 1902-4-2 5198 Sonoma Hills northeast of Santa Rosa Comment
  CAS-BOT-BC240646  Lonicera hispidula Walter Knight; Irja Knight 1963-10-3 318 Sonoma Crane Canyon Comment
  UC28516  Lonicera hispidula var. vacillans Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  SEINET12329227  Lonicera hispidula var. vacillans W. Knight, Knight, I. 1984-1 5114 Sonoma Gualda Point Regional Park Comment
  CAS-BOT-BC244001  Lonicera involucrata var. ledebourii Saichi Kawahara 1969-3-31 542 Sonoma 50 yards west of Jenner Comment
  CAS-BOT-BC244003  Lonicera involucrata var. ledebourii A. A. Heller; H. E. Brown 1902-3-10 5015 Sonoma Hills east of Santa Rosa 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-BC244010  Lonicera involucrata var. ledebourii Peter Rubtzoff 1962-8-22 5047 Sonoma Bodega Bay Marsh Comment
  UC1299561  Lonicera involucrata var. ledebourii Freed W. Hoffman 1947-2-23 618 Sonoma Russian Gulch near mouth of stream North Coast Ranges Comment
  UC1004328  Lotus angustissimus Alice S. M. McKenzie 1954-6-18 Sonoma above Fort Ross Comment
  UCR142041  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma North Coast, Fort Ross; bank of roadcut, State Highway 1 61 Comment
  UCD106736  Lotus corniculatus Terri Williamson 1990-5-20 52 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CDA31015  Lotus crassifolius D. G. Kelch, Troy McGregor 2010-8-22 10 .346 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC80924  Lotus crassifolius var. crassifolius unknown July, 1885 Sonoma Kelseyville to Cloverdale Comment
  UCR126258  Lotus formosissimus G. F. Pratt 2003-3-28 s.n. Sonoma North Coast, Salt Point State Park, north end of park 25 Comment
  UC207659  Lotus grandiflorus Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  SEINET3131486  Lotus grandiflorus var. grandiflorus M. S. Baker sn Sonoma Near Occidental Comment
  SEINET6932526  Lotus heermannii Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head, at middle of the peninsula. Comment
  SEINET12154225  Lotus nevadensis var. douglasii Unknown 1936-1 13109 Sonoma nr Healdsburg Comment
  UCR2752547  Lotus purshianus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  SEINET12154271  Lotus purshianus L. S. Rose 1938-1 38255 Sonoma Bloomfield 30 Comment
  UC726745  Lotus purshianus var. purshianus A. A. Heller 1941-8-8 16278 Sonoma w of Petrified Forest Comment
  SDSU4356  Lotus uliginosus D. F. Howe 1965-8-3 4102 Sonoma 8 miles east of Bodega Bay on #1. Comment
  RSA31648  Lotus unifoliolatus A. A. Heller 1941-8-8 16278 Sonoma West of the Petrified Forest. Comment
  SEINET3694616 Image available Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma North of Bodega Bay Comment
  JEPS86738  Ludwigia hexapetala Jack and Betty Guggolz 1990-9-25 1097 Sonoma Russian R. at road crossing below (e. of) Asti; Russian R. 73 Comment
  UCD65927  Ludwigia hexapetala B. J. Grewell 2006-11-10 06- 90 -LU Sonoma Russian River at Veteran's Memorial Park, Healdsburg. Collection upstream of dam, east bank at canoe/kayak launch area. 24 Comment
  UCD66043  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 27 -LU Sonoma Lake Wilson, Sonoma County Riverfront Park sw of Windsor, Eastside Road. 16 Comment
  UCD66048  Ludwigia hexapetala B. J. Grewell; Keenan Foster 2005-9-14 05- 18 -LU Sonoma Russian River at Cloverdale Airport. 79 Comment
  CAS-BOT-BC258913  Ludwigia palustris Peter Rubtzoff 1969-8-24 6149 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC251071  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-2 1628 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC173514  Ludwigia peploides Peter Rubtzoff 1955-7-9 1937 Sonoma Forestville Marsh Comment
  CAS-BOT-BC201287  Lupinus Charles Piper Smith 1947-6-19 47526 Sonoma Mark West Road near Petrified Forest Comment
  SEINET10488401  Lupinus albifrons Charles Piper Smith 1948-4-27 Smith 48163 Sonoma Junction melitta-mark west-petrified forest roads. Petrified forest, junction Comment
  CAS-BOT-BC195977  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48165 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  CAS-BOT-BC195984  Lupinus albifrons var. albifrons Alice Eastwood 1939-3-20 18902 Sonoma Near Russian River a few miles north of Cloverdale Comment
  CAS-BOT-BC196153  Lupinus albifrons var. douglasii J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC196461  Lupinus arboreus Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma South end of Russian River Bridge on highway 1 Comment
  CAS-BOT-BC196463  Lupinus arboreus Mary P. Wells 1985-4-13 471 Sonoma Above Highway #1. North of the Russian Gulch bridge Comment
  UCD106630  Lupinus arboreus P. B. Kennedy 1915-5-28 14 Sonoma Del Mar. Comment
  UCR248892  Lupinus bicolor Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UCD107129  Lupinus bicolor Botany 102 Students 1993-4-17 37 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. SE of Red Mountain about 1 air mile. Near group campground. 365 Comment
  POM299299  Lupinus formosus var. formosus H. C. Cantelow 1936-5-13 s.n. Sonoma 1/2 mile north of El Serano. Comment
  SEINET10490759  Lupinus formosus var. formosus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20712 Sonoma Coll 5.3 mi e of the jct of hwy 101 and hwy 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  SEINET11160113  Lupinus formosus var. robustus Unknown 1973-6-9 20712 Sonoma Sonoma County Comment
  UCD160313  Lupinus latifolius James A. Neilson Jr. 1975-5-23 3200 Sonoma Big Sulphur Creek, Abril property. ( (Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET10485450  Lupinus latifolius Yates 1934-4-22 YATES 6336 Sonoma 2 mi. E mark west. T8n, r8w. N slope. 213 Comment
  UC501357  Lupinus microcarpus var. densiflorus H. E. and S. T. Parks 1930-5-9 600 Sonoma w end Knights Valley; w end of Knights Valley Comment
  UC865134  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15091 Sonoma w of Petaluma near Two Rocks; near Two Rocks Comment
  JEPS86765  Lupinus microcarpus var. microcarpus Jack and Betty Guggolz 1990-6-16 1065 Sonoma one mi nnw Camp Meeker (at the upper end of a reservoir on Grub Creek); Grub Creek 85 Comment
  UC727105  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  SD64433  Lupinus microcarpus var. microcarpus Darley F. Howe 1966-6-2 Sonoma 5 miles south of Bodega Bay Comment
  UCD108979  Lupinus nanus A. A. Heller; H. E. Brown 1902-4-9 5233 Sonoma Near Healdsburg. Comment
  CAS-BOT-BC311855  Lupinus nanus subsp. latifolius Peter Rubtzoff 1954-9-4 1724 Sonoma Bodega Head Marsh. Comment
  UCR248939  Lupinus nanus subsp. nanus Peter Rubtzoff 1974-5-18 7411 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  SEINET10451627  Lupinus nanus subsp. nanus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7083 Sonoma On n-facing grassy clay bank, .6 mi w of sonoma-napa co line on hwy 121. 61 Comment
  SEINET10970295  Lupinus nanus subsp. nanus Mcberty 1961-5-13 MCBERTY 35 Sonoma In moist, open pasture at end of hutchins avenue, 1 mi e of sebastopol. Comment
  CAS-BOT-BC320462  Lupinus polycarpus Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  SEINET10936836  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 Nelson 5127 Sonoma Santa rosa quad. Along roberts rd ca 100 m past bridge over copeland creek, e Of rhonert park. Vernally wet area beside road. T.6n, r.7w, sec.28. 61 Comment
  JEPS83804  Lupinus sericatus Roger Raiche 1984-3-25 40074 Sonoma from Kelly Road near Rockpile Road sw Cloverdale ((about 11 1/2 mi n of its origin (Rockpile) at intersection with Skaggs Springs-Stewarts Point Road)); sw of Cloverdale Comment
  CAS-BOT-BC207258  Lupinus sericatus John Thomas Howell 1935-5-5 12610 Sonoma Near summit of Trinity P.O. Road, Mt. Hood Range Comment
  UCD109576  Lupinus stiversii A. S. Crafts 1935-5-15 s.n. Sonoma Exact location unknown. Comment
  SEINET10870696  Lupinus succulentus Joseph W. Congdon 1880-5-2 Congdon s.n. Sonoma Comment
  SEINET11162202  Lupinus tidestromii W. S. Cooper Sonoma Comment
  SEINET11162204  Lupinus tidestromii W. S. Cooper Sonoma Comment
  UCD109670  Lupinus variicolor P. B. Kennedy 1915-5-31 13 Sonoma Del Mar. Comment
  JEPS116509  Lupinus variicolor Peter Warner 2009-6-2 118 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, on N-facing slope about 1.5 km ENE of ranch house and barn 276 Comment
  UCSB50220  Lupinus variicolor Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  UCD142080  Luzula comosa G. F. Hrusa; R. Gross 1996-3-8 12658 Sonoma on lower SE facing slope on S side of Foote Creek. Foote Ranch at corner of Ida Clayton Road and Highway 128. 250 Comment
  UCD55071  Luzula comosa Ellen Dean; Tammie Beyerl 2006-4-28 3015 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  CAS-BOT-BC441296  Luzula macrantha G. De Nevers 1981-3-25 566 Sonoma Pepperwood Ranch. Between the two fir-Redwood canyons Comment
  RSA0015985  Lythrum hyssopifolia Edward Palmer 1892-6-27 2399 Sonoma Petaluma. Comment
  CAS-BOT-BC166945  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC227610  Madia Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC342609  Madia Lawrence Beane 1949-5-11 338 Sonoma 2 miles north of Cloverdale Comment
  CAS-BOT-BC368061  Madia anomala Greg de Nevers 1998-5-26 11259 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UC75902  Madia elegans Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC344048  Madia elegans Luther Burbank; L. R. Abrams 1907-8-1 s.n. Sonoma Along roadside between Sebastopol & Santa Rosa Comment
  UCD132772  Madia elegans Frederica Bowcutt 1997-7-20 2205 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. At Pony Gate Trail, above Adobe Canyon Rd., about 2.6 miles from intesection with Hwy.12. 396 Comment
  RSA917  Madia elegans subsp. densifolia E. R. Johnson 1928-8-22 1110 Sonoma Cloverdale Comment
  CDA8246  Madia elegans subsp. vernalis M. K. Bellue 1943-5-14 Sonoma Road into Donahue. 0 Comment
  SEINET11807610  Madia exigua F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -230 Sonoma end of Stoetz Road 310 Comment
  CAS-BOT-BC343449  Madia gracilis John H. Thomas 1976-6-18 18360 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC343461  Madia gracilis L. R. Abrams 1916-7-4 5791 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC343463  Madia gracilis J. Clausen 1935-5-23 1075 Sonoma Petrified Forest, near entrance Comment
  CDA8260  Madia madioides G. D. Barbe 1982-5-27 3620 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  CAS-BOT-BC345229  Madia sativa H. M. Hall 1916-7-24 10250 Sonoma Near Petaluma Comment
  CAS-BOT-BC345260  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  RSA790979  Madia sativa Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC345207  Madia sativa James I. McMurphy 1909-8-8 702 Sonoma Leddy, electric r.r. station between Santa Rosa & Sebastopol Comment
  OBI33913  Madia sativa David J. Keil 1983-6-29 17197 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  UCD134339  Madia sativa Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  CHSC26310  Maianthemum racemosum P. Kunst 1977-4-12 32 Sonoma 170 Comment
  CAS-BOT-BC511573  Maianthemum racemosum subsp. amplexicaule A. A. Heller; H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay 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-BC511494  Maianthemum stellatum Mary P. Wells 1985-4-11 468 Sonoma Near house at 230 Pilot's Ranch, The Sea Ranch Comment
  POM169294  Maianthemum stellatum A. A. Heller, H. E. Brown 1902-4-15 5297 Sonoma Santa Rosa Creek Comment
  JEPS87222  Malacothrix floccifera Jack and Betty Guggolz 1992-5-17 1304 Sonoma e of Geyserville (Anderson Trail on the w side of Black Mountain); Black Mountain 609 Comment
  CAS-BOT-BC540134  Malus domestica Peter Rubtzoff 1955-4-9 1771 Sonoma Forested slope near Occidental-Graton Road, 1/4 mile northest of Occidential-Camp Meeker Road (Occidental region). Comment
  UCD160870  Marah James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3280 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SBBG32440  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi NE of Graton 30 Comment
  JEPS42485  Marah oregana W. L. Jepson 1893-5-1 14130 Sonoma e Mark West Springs; Franz Valley Comment
  CAS-BOT-BC348213  Matricaria discoidea Peter H. Raven 1950-4-6 1578 Sonoma Cotati to Santa Rosa 152 Comment
  POM55040  Matricaria matricarioides A. A. Heller, H. E. Brown 1902-6-2 5635 Sonoma Santa Rosa. Comment
  CAS-BOT-BC348313  Matricaria occidentalis Peter Rubtzoff 1972-5-25 6772 Sonoma Laguna, Chileno Valley Comment
  UCD107788  Medicago polymorpha Jennifer Bury; Peggy Herzog 1993-5-8 294 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 3/4 mile. On Bald Mountain Trail. 396 Comment
  UCD87217  Melica californica R. Tofsrud 1947-6-17 195 Sonoma Old Santa Rosa cemetery. Comment
  UCD87220  Melica californica R. Tofsrud 1947-7-1 175 Sonoma Santa Rosa, old cemetery. Comment
  CAS-BOT-BC281283  Melica geyeri John Thomas Howell; et al. 1982-4-28 54674 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  SEINET197158 Image available Melica geyeri W. S. Boyle 1942-4-26 1075 Sonoma Between Petrified Forest and Mark West Comment
  UC1132265  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  UCD87322  Melica geyeri Beecher Crampton 1953-5-19 1299 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128 at Napa County line. Comment
  UCD87362  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 miles NW of Graton. 243 Comment
  CAS-BOT-BC281281  Melica geyeri David L. Morgan 1961-4-17 s.n. Sonoma On Tomales Rd, 2 miles SW of Tomales Comment
  UCD87348  Melica geyeri R. Tofsrud 1941-4-1 280 Sonoma Doyle Park, Santa Rosa. Comment
  UCD87388  Melica harfordii B. Crampton 1955-6-17 2927 Sonoma 1.6 miles west of Forestville. Comment
  UCD87519  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  CAS-BOT-BC262561  Melica torreyana Peter Rubtzoff 1953-5-17 1381 Sonoma Near road from Vacation Beach to Edendale, near Guerneville Comment
  CAS-BOT-BC262563  Melica torreyana A. A. Heller 1902-3-17 5084 Sonoma Hills near Santa Rosa Comment
  RSA74447  Melica torreyana Milo S. Baker 1947-5-30 11777 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. 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
  UCD144429  Melica torreyana Frederica Bowcutt 1994-6-24 1883 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain Trail. 396 Comment
  UCD88824  Melica torreyana Virginia Bufford; M. S. Baker 1936-4-1 236 Sonoma Above Kenwood Springs. Comment
  UCD89202  Melica torreyana R. Tofsrud 1942-4-1 301 Sonoma Stream bank about 3 mi. east Mark West resort below main road. Comment
  RSA784569  Melissa Peter Rubtzoff 1973-9-9 7317 Sonoma Kenwood Marsh. Comment
  UCD148432  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River. Comment
  POM62727  Mentha pulegium Geo R. Hall 1906-10-14 s.n. Sonoma Guerneville Comment
  RSA93027  Mentha pulegium Milo S. Baker 1954-8-12 13037 Sonoma Coney Lake Kenwood on Coney Ranch Comment
  UCD125123  Mentha pulegium Mary M. Hektner 1974-9-12 183 Sonoma Sea Ranch. Near State Highway 1. Unit 7 Owners' Map. Comment
  RSA785149  Mentha rotundifolia Peter Rubtzoff 1973-8-28 7276 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166976  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Vacation Beach, near Guerneville. Comment
  UCR244651  Mentha spicata Peter Rubtzoff 1975-8-28 8360 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC164702  Mentha spicata Peter Rubtzoff 1970-8-18 6322 Sonoma 5 miles north of Sears Point. Comment
  JEPS42867  Mentzelia laevicaulis var. laevicaulis W. L. Jepson 1921-9-8 9429 Sonoma Russian River, Healdsburg Comment
  CAS-BOT-BC428952  Micranthes californica F. Almeda; G. DeNevers 1981-3-30 4873 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch. Comment
  CAS-BOT-BC210116  Microseris Peter Rubtzoff; H. A. Froebe 1971-5-30 6499 Sonoma Border of dry vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC348730  Microseris bigelovii John Thomas Howell 1931-4-18 6417 Sonoma Mouth of Salmon Creek 2 miles n. of Bay Comment
  CAS-BOT-BC322707  Microseris laciniata John Thomas Howell 1937-6-6 13013 Sonoma Sebastapol Comment
  JEPS13229  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma near Kenwood; Los Guilicos Valley Comment
  SDSU4773  Microseris paludosa D. F. Howe 1963-7-3 3592 Sonoma 20 miles north of junction with #12 on #1. Comment
  SD6295  Mimetanthe pilosa Michener, Bioletti 1891-9-7 1686 b Sonoma Shellville Comment
  RSA0025394  Mimulus Peter Rubtzoff 1962-5-30 4849 Sonoma Freestone Marsh. Comment
  RSA0025401  Mimulus Peter Rubtzoff 1954-6-20 1513 Sonoma Guerneville Marsh. Comment
  UCD38481  Mimulus aurantiacus Beecher Crampton 1955-6-17 2969 Sonoma Fort Ross. Comment
  UCR222566  Mimulus aurantiacus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16235 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  UC26690  Mimulus aurantiacus var. aurantiacus Alice Bolton 1888-10-13 Sonoma below Guerneville; Russian River Comment
  HSC20728  Mimulus guttatus R. F. Good 1962-4-20 24 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes. Sonoma Mtn. Coast Range 0 Comment
  RSA0022509  Mimulus guttatus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  RSA94312  Mimulus guttatus Peter Rubtzoff 1951-7-14 420 Sonoma Southern half of Lower Marsh. Comment
  UC625484  Mimulus kelloggii Frank W. Gould 1938-4-3 124 Sonoma w Calistoga (1 1/2 mi w of Petrified Forest) 274 Comment
  UC1374916  Mimulus microphyllus Noel H. Holmgren, Liew Fah Seong 1969-6-23 3606 Sonoma 7.2 mi n Marin County line (Calif. 1) Comment
  UC26993  Mimulus nasutus F. T. Bioletti 1892-1 Sonoma Comment
  CAS-BOT-BC388890  Minuartia douglasii Greg de Nevers 1993-4-11 10367 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. East of Middle Road through Bald Hills 304 Comment
  HSC4089  Minuartia douglasii H. E. Parks, S. T. Parks 1930-5-10 851 Sonoma Knights Valley 152 Comment
  POM151736  Minuartia douglasii Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  CAS-BOT-BC388901  Minuartia douglasii M. S. Baker 1925-4-26 87 a Sonoma Maple Glen Comment
  JEPS42868  Mollugo verticillata Milo S. Baker 1923-8-26 441 Sonoma Russian River near Geyserville; Russian River Comment
  CHSC67997  Monardella villosa Jack Guggolz; Betty Guggolz 1992-5-17 1303 Sonoma West side of Black Mountain, south of Geyser Peak. Blooming just above the Anderson Trail on O'Farrell property. 597 Comment
  UCD125297  Monardella villosa Mary M. Hektner; Cathy Hendel 1974-6-28 84 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD151228  Monardella villosa James A. Neilson Jr. 1974-5-1 3170 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  UCD160824  Monardella villosa James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3362 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UC1784120  Monardella viridis Ethel Crum 1930-7-13 816 Sonoma Mt. St. Helena, S shoulder Comment
  JEPS128251  Monardella viridis subsp. viridis Roger Raiche 2000-7-15 139 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC445004  Montia fontana Peter Rubtzoff 1966-4-30 5690 Sonoma North side of Hessel Road just west of Hwy. 116. Comment
  UCD144663  Montia parvifolia Frederica Bowcutt 1994-6-12 1874 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Canyon Trai along edge of Sonoma Creek just E of confluence with Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  JEPS121161  Morella californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18601 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  JEPS23885  Myosotis discolor G. Thomas Robbins 1937-5-23 198 Sonoma ca. 10 mi. w. Santa Rosa (marsh on Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  RSA264759  Myosotis discolor Peter Rubtzoff 1974-5-25 7475 Sonoma Upper Green Valley Marsh. Comment
  UCD119516  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Marsh, Pitkin Ranch. Comment
  SEINET12348989  Myosotis discolor F. H. Utech 1988-5-19 88 -193 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  UCSB5631  Myosotis discolor Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 miles north of Sousa Corners Comment
  CAS-BOT-BC259172  Myosurus Peter Rubtzoff 1958-4-26 3595 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC101794  Myrica californica Peter Rubtzoff 1951-9-2 727 Sonoma Lower part of the Upper Marsh Comment
  RSA800083  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  UCR244643  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh 29 Comment
  RSA800335  Myriophyllum hippuroides Peter Rubtzoff 1963-9-1 5247 Sonoma Bennett Mountain Lake. Comment
  RSA800843  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC260076  Nassella lepida G. DeNevers 1981-5-23 1292 Sonoma Pepperwood Ranch, Lower Pepperwood entrance Comment
  CAS-BOT-BC260287  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma Comment
  UC1133201  Nassella pulchra H. S. Yates 1934-4-21 3832 Sonoma 2 mi n County Farm; Santa Rosa Quadrangle Comment
  CAS-BOT-BC60521  Nasturtium officinale Peter Rubtzoff 1958-6-1 3697 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC366901  Navarretia Greg de Nevers 1997-8-17 11075 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CDA390  Navarretia heterodoxa D. G. Kelch 2003-7-14 3 .38 Sonoma Cavedale Road. Comment
  UC106834  Navarretia heterodoxa Michener and Bioletti Jul 1891 1554 a Sonoma Hoods Peak Comment
  SD7675  Navarretia heterodoxa M. Bioletti 1891-1 Sonoma Hords Peak Comment
  JEPS70348  Navarretia intertexta F. T. Bioletti Jun 1893 Sonoma Kenwood Comment
  UC23655  Navarretia intertexta Alice King Jun 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC232688  Navarretia pubescens James McMurphy 1909-5-29 s.n. Sonoma Canyon near Geyserville Comment
  UCD48686  Navarretia squarrosa Charles B. Heiser Jr. 1946-8-17 1826 Sonoma Banks of Russian River, near Duncan Mills. Comment
  POM225971  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 miles N of Bodega. Comment
  RSA94068  Navarretia squarrosa J. T. Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  UCD160847  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 b Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 716 Comment
  UC1069145  Nemophila heterophylla E. Armstrong 1934-3-26 950 Sonoma 2 mi n Camp Meeker; Sebastopol Quad., n of Camp Meeker 121 Comment
  UC880884  Nemophila heterophylla Alice Eastwood 1918-5-1 6841 Sonoma Mt. St. Helena Comment
  UCSC000579  Nemophila heterophylla Daisy Swett 1901-3-18 s.n. Sonoma Windsor Comment
  UC1057474  Nemophila menziesii G. Thomas Robbins 1940-3-21 289 Sonoma 2-3 mi se Windsor (Pleasant Avenue Road and Chalk Hill Road); se of Windsor 91 Comment
  SDSU6106  Nemophila menziesii subsp. atomaria D. F Howe 1972-5-1 4815 Sonoma Duncun Point Comment
  UC24245  Nemophila menziesii var. atomaria H. N. Bolander April, 1864 3883 Sonoma Cloverdale Comment
  UCD120238  Nemophila menziesii var. atomaria J. Adams; J. Weick 1993-5-8 254 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  POM216812  Nemophila menziesii var. menziesii H. F. Copeland 1933-3-18 s.n. Sonoma Field northeast of Santa Rosa. Comment
  UCD110164  Notholithocarpus densiflorus Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1765 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  CAS-BOT-BC400129  Nuphar polysepala James McMurphy 1908-9-27 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC140453  Oemleria cerasiformis Marcus E. Jones 1882-7-18 3578 Sonoma Duncan's Mills Comment
  UC1191940  Oenanthe sarmentosa Malcolm A. Nobs and S. Galen Smith 1949-8-1 1108 Sonoma 2 mi. e. of Stewart's Point on rd. to Geyserville Comment
  CAS-BOT-BC499695  Orobanche californica subsp. californica Cecilia Zanelli 1925-9-1 s.n. Sonoma Plantation Comment
  UC27866  Orobanche fasciculata F. T. Bioletti 1892-1 Sonoma Sonoma. Comment
  CAS-BOT-BC500194  Orobanche fasciculata G. de Nevers ; F. Almeda; Debbie Wilson 1982-5-8 2001 Sonoma Pepperwood Ranch: on a little know on the N slope of the High Hill E of 3 Tree Hill Comment
  CAS-BOT-BC502938  Orobanche uniflora Greg de Nevers 1997-5-3 10987 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Rd 457 Comment
  CAS-BOT-BC368046  Orthocarpus Greg de Nevers 1989-4-1 9055 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  POM210213  Orthocarpus faucibarbatus H. E. Parks 1930-5-9 s.n. Sonoma Knights Valley, Comment
  RSA523834B  Orthocarpus faucibarbatus Gordon H. True Jr. 1936-4-7 406 Sonoma Near Sonoma. 91 Comment
  SEINET8733536 Image available Orthocarpus faucibarbatus Lewis S. Rose 1933-1 33158 Sonoma BODEGA BAY Comment
  CAS-BOT-BC7001  Orthocarpus faucibarbatus var. albidus David Daniels Keck; Jens Chr. Clausen 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth Comment
  RSA32863  Orthocarpus faucibarbatus var. albidus A. A. Heller 1937-5-1 16176 Sonoma Along State Highway #1, on the bluff at Bodega Bay, south of the Town of Bay. Comment
  SEINET12122096  Osmorhiza chilensis F. H. Utech 1988-1 88 -205 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 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
  HSC24669  Oxalis oregana F. Demostene 1966-4-12 42 Sonoma 25 mi. W of Healdsburg. Comment
  OBI11858  Oxalis oregana Ann C. Litkins 1970-5-16 128 Sonoma Starret Hill Dr, 1 mi W of monte Rio, near Russian River 30 Comment
  SEINET10849964  Panicum P. Rubtzoff 1968-9-21 Rubtzoff 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD33493  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD89123  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a. Sonoma Northeast Sonoma County: 'The Geysers'. Comment
  UCD89128  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 f Sonoma North East part of county. The Geysers, Comment
  CAS-BOT-BC253655  Panicum capillare John Thomas Howell 1957-9-26 32977 Sonoma Russian River bottom near Guerneville Comment
  SEINET11686588  Panicum capillare subsp. hillmanii W. Knight, Knight, I.; Edwards, S. W. 1984-1 5070 Sonoma along Willow Creek near Stony Point Road betwen Corona Road and Old Redwood Hwy 6 Comment
  UCR255726  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  CAS-BOT-BC253798  Panicum hillmanii G. DeNevers 1981-6-20 1600 Sonoma Pepperwood Ranch. Mark West Creek Comment
  UC39250  Panicum miliaceum subsp. miliaceum E. M. Smith 1898-8-9 Sonoma Kenwood Comment
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Mar 30 2009
  UCD88623  Parapholis incurva Beecher Crampton 1957-7-11 4342 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  JEPS86295  Parentucellia latifolia Jack and Betty Guggolz 1989-5-5 1012 Sonoma Comment
  RSA47561  Parentucellia viscosa L. Beane, Lois E. James 1949-5-16 1963 Sonoma About 2 mi. S of Cloverdale. Comment
  UCD35512  Paronychia franciscana Beecher Crampton 1957-7-22 4363 Sonoma Along State Hwy. 1, 8.2 miles north of Stewart's Point. Comment
  SEINET10717816  Paspalum P. Rubtzoff 1971-8-31 Rubtzoff 6662 Sonoma Todd Road, near Stony Point Road. Comment
  CAS-BOT-BC259692  Paspalum dilatatum Walter & Irja Knight; John Thomas Howell 1987-5-14 6386 Sonoma Llano Road near sewage treatment plant Comment
  CAS-BOT-BC265689  Paspalum distichum Peter Rubtzoff 1954-7-29 1600 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC265691  Paspalum distichum Peter Rubtzoff 1951-7-14 432 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC265693  Paspalum distichum Peter Rubtzoff 1958-7-26 3809 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UCD88927  Paspalum distichum David L. Morgan 1955-12-2 s.n. Sonoma Lawn, Sonoma State Home, Eldridge. Comment
  CAS-BOT-BC202869  Paxistima myrsinites W. Knight; I. Knight; Dr. Steve Edwards 1986-6-9 5444 Sonoma Annadel State Park Comment
  UC25019  Pectocarya penicillata H. N. Bolander 1864-1 3858 Sonoma Russian River Bed Comment
  HSC20925  Pedicularis densiflora James Faro 1962-4-14 19 Sonoma 5 mi. N of Guerneville on Old Cazadero Rd. Comment
  JEPS77252  Pedicularis densiflora Robert M. Lloyd 1963-4-24 2391 Sonoma 12.6 mi from State Hwy 12 on road to Oakdale 457 Comment
  CAS-BOT-BC69302  Pellaea andromedifolia D. E. Breedlove 1980-6-28 44816 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD137617  Pellaea andromedifolia Jennifer Bury; Peggy Herzog 1993-5-8 295 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. 365 Comment
  CDA17203  Pellaea mucronata G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16202 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UC1238920  Penstemon heterophyllus var. purdyi Freed W. Hoffman 1947-4-20 654 Sonoma near Guerneville (headwaters of Fife Creek, Del Preti Hill); North Coast Ranges, headwaters Fife Creek Comment
  CAS-BOT-BC245716  Penstemon newberryi var. sonomensis Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  JEPS83484  Penstemon newberryi var. sonomensis Jack and Betty Guggolz 1986-5-27 876 Sonoma just to the nw lookout on Mt. St. Helena; nw of the lookout on Mt. St. Helena Comment
  RSA0059039  Pentagramma triangularis Robert F. Thorne 1965-4-19 34298 a Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  UC483302  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1932-3-12 5761 Sonoma fence row between Knight's Valley and Franz Valley Comment
  CAS-BOT-BC222747  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-9-25 5829 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  RSA217993  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  RSA264720  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1975-8-16 8328 Sonoma Bennett Mountain Lake, near south side of lake Comment
  CAS-BOT-BC368035  Persicaria amphibia Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC413658  Persicaria amphibia Peter Rubtzoff 1966-10-9 5835 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  CAS-BOT-BC258010  Persicaria hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC418907  Persicaria hydropiperoides Peter Rubtzoff 1958-7-20 3789 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  CAS-BOT-BC419115  Persicaria lapathifolia Peter Rubtzoff 1969-10-29 6201 Sonoma Pond on River Road 3 mi. west of Fulton 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-BC419427  Persicaria punctata Peter Rubtzoff 1958-7-20 3788 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.) Comment
  UC753396  Phacelia californica Florence Signaigo and Thomas Morley 1946-5-19 129 Sonoma Vine Hill School rd 5-6 mi n Sebastopol 30 Comment
Read comments
Dec 30 2011
  UCR168244  Phacelia distans Alice Eastwood 1933-5-7 18841 Sonoma Sonoma 198 Comment
  SEINET5906166 Image available Phacelia distans L. S. Rose 1965-1 65021 Sonoma 1 mi N of Sonoma Comment
  UCD120385  Phacelia distans E. F. Beukman 1964-4-21 20 Sonoma ca. 1/2 mile from town of Bodega Bay on road to Bodega head. Comment
  JEPS1968  Phacelia egena F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  OBI39524  Phacelia imbricata F. H. Utech, Walter and Ira Knight, Ira Knight 1984-4-16 84 -082 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.5 mi N on Cavedale rd from jctn 152 Comment
  UC444442  Phacelia suaveolens E. L. Greene Aug. 1888 Sonoma Petrified Forest; ; Petrified Forest, Sonoma Co. Comment
  CAS-BOT-BC154987  Phalaris Peter Rubtzoff; Nancy Harrison 1978-5-20 9175 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  CAS-BOT-BC331487  Phalaris Peter Rubtzoff 1970-7-12 6283 Sonoma Guerneville Marsh. Comment
  SEINET10661948  Phalaris angusta P. Rubtzoff 1972-6-23 Rubtzoff 6785 Sonoma Atascadero Creek Marsh. Comment
  UCD164098  Phalaris lemmonii Peter Rubtzoff; Nancy Harrison 1978-5-20 9175 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  CAS-BOT-BC265940  Phalaris minor Peter Rubtzoff 1959-6-6 4098 Sonoma Willow Creek Marsh, Sonoma County Marshes Comment
  UC1146649  Phalaris paradoxa Freed W. Hoffman 1943-6-6 2209 Sonoma near Wright's Beach (Sonoma Coast); North Coast Ranges, , near Wright's Beach Comment
  UCD89300  Phleum alpinum Beecher Crampton 1957-7-22 4368 Sonoma 0.3 mile south of Stewart's Point, above Fisherman's Bay. Comment
  CAS-BOT-BC222474  Pholistoma Saichi Kawahara 1968-4-20 316 Sonoma 3 miles northeast of Lakeville Road 76 Comment
  UCD102040  Phoradendron bolleanum D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  UC1299383  Phoradendron densum Freed W. Hoffman 1946-9-26 567 Sonoma Austin Creek, Layton Mine North Coast Ranges, Austin Creek, Layton Mine Comment
  CAS-BOT-BC140612  Physocarpus capitatus Peter Rubtzoff 1959-6-7 4105 Sonoma Bank of Russian RIver betw. East Guerneville and Vacation Beach, nr. Guerneville Comment
  JEPS76918  Physocarpus capitatus Robert M. Lloyd 1963-2-24 2060 Sonoma 0.2 mi n Bodega Bay City (on State Highway 1); n of Bodega Bay City Comment
  UCD113680  Physocarpus capitatus Mary M. Hektner 1975-6-3 208 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCSC000358  Physocarpus capitatus H. S. Yates 1934-4-21 3801 Sonoma near Bodega - Duncan Mills 61 Comment
  CAS-BOT-BC361362  Pinus attenuata Greg de Nevers 1997-4-16 10935 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  SEINET10612004 Image available Pinus muricata var. borealis Daniel I. Axelrod 1983-7-7 Axelrod E- 3 Sonoma Vicinity of Salt Point, Sate Highway 1. Site on coarse, thickly bedded Eocene marine sandstone. 76 Comment
  UCD133336  Pinus sabiniana Frederica Bowcutt 1994-6-25 1916 Sonoma 609 Comment
  JEPS128294  Piperia transversa Roger Raiche 2010-7-10 031 .10 Sonoma The Cedars, about 0.2 mile in from 2nd Crossing. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128302  Piperia transversa Roger Raiche 2010-7-11 035 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS87245  Pisum sativum Jack and Betty Guggolz 1991-5-20 1139 Sonoma about 1 mi s Asti (on w side of Highway 101) 97 Comment
  CAS-BOT-BC166950  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176145  Plagiobothrys Peter Rubtzoff 1969-5-11 6032 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UCR254850  Plagiobothrys Greg de Nevers 1998-5-5 11229 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; on Weimar Flat 400 Comment
  CAS-BOT-BC156308  Plagiobothrys Peter Rubtzoff 1970-5-16 6231 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC166752  Plagiobothrys Peter Rubtzoff 1969-6-15 6091 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  JEPS117078  Plagiobothrys Peter Warner 2010-5-6 141 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  UCR279866  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6237 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  UC905097  Plagiobothrys greenei Lewis S. Rose 1949-4-6 49028 Sonoma western outskirts Sonoma 29 Comment
  POM204149  Plagiobothrys greenei J. T. Howell 1934-3-27 11803 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  RSA620967  Plagiobothrys reticulatus Peter Rubtzoff 1960-5-18 4375 Sonoma Bodega Head Marsh. Comment
  RSA620968  Plagiobothrys reticulatus Peter Rubtzoff 1962-8-22 5041 Sonoma Bodega Bay Marsh. Comment
  SJSU5863  Plagiobothrys reticulatus var. rossianorum S. H. Casey 1969-5-13 241 Sonoma Sea Ranch 3 mi N of Stewarts Point Comment
  UCD166071  Plagiobothrys tener var. tener Peter Rubtzoff; H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UC881362  Plagiobothrys undulatus John Thomas Howell 1937-6-6 13014 Sonoma Sebastopol Comment
  RSA785228  Plagiobothrys undulatus Peter Rubtzoff 1971-7-23 6612 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC290688  Plantago Peter Rubtzoff 1987-10-17 9876 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  SBBG53025  Plantago erecta M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  SD39913  Plantago lanceolata Edith A. Purer 1932-7-21 4050 Sonoma Bodega Bay Comment
  UCD160860  Plantago lanceolata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3289 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC258397  Plantago lanceolata Peter Rubtzoff 1959-6-20 4159 Sonoma Willow Creek Marsh. Comment
  UCD124370  Plantago maritima Frederica Bowcutt 1984-6-23 452 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Highway 1. North of Gerstle Cove about 1/2 mile. Salt Point State Park. 15 Comment
  CAS-BOT-BC257367  Plantago subnuda Peter Rubtzoff 1954-8-9 1658 Sonoma Bodega Head Marsh. Comment
  CHSC60118  Platystemon californicus E. L. Knight 1988-4-1 5 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UC50134  Platystemon californicus Harley P. Chandler 1900-5-25 707 Sonoma Bodega Bay Comment
  CAS-BOT-BC371445  Plectritis macrocera Greg de Nevers 1998-5-12 11244 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA52689  Plectritis macrocera subsp. grayi I. L. Wiggins 1949-4-30 12060 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC173803  Pleuropogon Peter Rubtzoff 1966-4-30 5697 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  RSA796394  Pleuropogon Peter Rubtzoff, John Thomas Howell 1966-4-30 5686 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  CAS-BOT-BC260925  Pleuropogon californicus Mary P. Wells 1984-4-23 189 Sonoma Rincon Valley, Santa Rosa Comment
  UCR111257  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  SEINET6205136  Pleuropogon californicus L. S. Rose 1965-1 65019 Sonoma Sonoma Comment
  UC1023574  Pleuropogon californicus Virginia Bufford 1935-3-26 12 Sonoma near Hearn School Comment
  HSC82085  Pleuropogon californicus var. californicus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5128 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  RSA102307  Pleuropogon californicus var. californicus H. N. Bolander 41 Sonoma Santa Rosa. Comment
  RSA155469  Pleuropogon californicus var. californicus L. S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa, half mile east of Cunningham. 15 Comment
  UC1446221  Pleuropogon hooverianus Paul But with Peter Rubtzoff 1974-4-6 P 3 Sonoma 0.5 mi from Freestone (along Bohemian Hwy at Freestone Flat Road) Comment
  CAS-BOT-BC254554  Poa douglasii Milo S. Baker 1931-4-18 5384 Sonoma Beach at mouth of Salmon Creek Comment
  UCD91043  Poa douglasii Freed W. Hoffman 1944-7-2 1983 Sonoma near entrance to Bodega Bay. Comment
  CAS-BOT-BC256026  Poa pratensis Catherine Best 1981-6-5 s.n. Sonoma Stoltz Lane about 2 miles N.E. of Occidental Comment
  CAS-BOT-BC256029  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UCD15864  Poa secunda Gerry North 1993-3 34 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. At lower camping area. 50m East of foot bridge. 365 Comment
  CAS-BOT-BC243245  Poa secunda subsp. secunda A. A. Heller 1902-4-9 5245 Sonoma In railroad cut 3 miles S of Healdsburg Comment
  CAS-BOT-BC243250  Poa secunda subsp. secunda Catherine Best 1980-4-16 s.n. Sonoma Westerbeke Ranch near El Verano Comment
  CAS-BOT-BC244199  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncans Mills Marsh, edge of the lower portion of the marsh Comment
  CAS-BOT-BC244202  Poa trivialis John Thomas Howell 1951-5-28 27495 Sonoma Laguna E of Sebastopol Comment
  CAS-BOT-BC244259  Poa unilateralis A. A. Heller 1902-4-11 5279 Sonoma Bodega Bay Comment
  UCD92135  Poa unilateralis Beecher Crampton 1971-6-6 8719 Sonoma Sonoma Coast State Park at Carmet. Comment
  RSA0062829  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. 100 Comment
  UCD125414  Pogogyne douglasii Peter Rubtzoff 1971-5-30 6487 Sonoma 4.25 miles west of Glen Ellen. Comment
  UCD84289  Pogogyne douglasii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  JEPS128176  Polygala californica Roger Raiche 2001-5-17 025 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCR90891  Polygala californica Kathy Harper, Dane Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
  SEINET12205439  Polygala californica F. H. Utech 1986-1 86 -108 Sonoma ca 3.5 mi NE on Cavedale Road 350 Comment
  SEINET12205658  Polygala californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -240 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC157669  Polygonaceae Peter Rubtzoff 1964-5-20 5319 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC164071  Polygonum aviculare Peter Rubtzoff 1958-8-9 3828 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC414117  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1954-7-27 1579 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC109164  Polygonum bolanderi F. G. Krauss 1893-10-8 s.n. Sonoma K Ranch. Comment
  UC6669  Polygonum bolanderi Michener and Bioletti July 1893 Sonoma Hoods Peak Comment
  UCD99862  Polygonum bolanderi G. F. Hrusa; T. D. Wilfred 1995-12-3 12487 Sonoma At summit of Chalk Mtn. on the W face. Foote Ranch property, NW base of Mt. St. Helena, immediately N of Ida Clayton Rd. 110 Comment
  JEPS103957  Polygonum californicum Jack and Betty Guggolz 1991-6-29 1201 Sonoma 195 Comment
  UCR280149  Polygonum hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 38 Comment
  RSA800607  Polygonum hydropiper Peter Rubtzoff 1973-8-15 7210 Sonoma Russian River at Squaw Rock, 6 mi south of Hopland. Comment
  CAS-BOT-BC320506  Polypogon Peter Rubtzoff 1973-9-8 7304 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC361407  Polypogon Greg de Nevers 1997-5-23 11006 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. In Three Hill vernal pool 457 Comment
  UCR254897  Polypogon Peter Rubtzoff 1968-9-21 5981 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC233000  Polypogon australis Peter Rubtzoff 1962-8-22 5054 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC233002  Polypogon australis Peter Rubtzoff 1955-8-13 2044 Sonoma Duncans Mills Marsh Comment
  RSA201192  Polypogon australis Peter Rubtzoff 1955-8-13 2044 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  CAS-BOT-BC233194  Polypogon interruptus Peter Rubtzoff 1958-8-9 3855 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road Comment
  UC1056223  Polypogon interruptus Virginia E. Long 1930-9-13 7 a Sonoma about 10 mi n Cloverdale Comment
  UC50626  Polypogon interruptus J. Burtt Davy 1896-7-24 Sonoma along the Russian River below Guerneville; along the Russian River Comment
  UCD84097  Polypogon maritimus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC237415  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Road to Bodega Point Comment
  UCR218737  Polypogon monspeliensis George 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
  UCD91338  Polypogon monspeliensis P. B. Kennedy 1920-6-16 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  UC42162  Polystichum californicum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  SEINET11719958  Polystichum californicum Unknown 1987-1 70019 Sonoma W of Cloverdale, Hot Springs Rd area, Lake Somona near inundation point of Brush Creek 183 Comment
  CAS-BOT-BC72481  Polystichum munitum J. W. Congdon 1892-5-31 s.n. Sonoma Cazadero Comment
  UCD19303  Polystichum munitum Terry Reedy 1974-5-11 236 Sonoma Bodega Head, shady gully south of road to Field Station. 12 Comment
  CAS-BOT-BC376364  Potamogeton Greg de Nevers 1992-6-8 10159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCR255055  Potamogeton Greg de Nevers 1992-8-16 10246 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  CAS-BOT-BC267175  Potamogeton foliosus 1877-6-6 s.n. Sonoma Russian River, Guerneville Comment
  UCD161294  Potamogeton natans James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3692 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC454021  Potamogeton pectinatus Peter Rubtzoff 1954-8-3 1631 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC454023  Potamogeton pectinatus Peter Rubtzoff 1970-8-5 6296 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC454080  Potamogeton pusillus subsp. pusillus Greg de Nevers 1991-6-23 9754 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Loch Haven Lake. 500' elevation. 475 Comment
  UC903040  Potentilla anserina subsp. pacifica Ethel Crum 1930-6-8 742 Sonoma one mi e Bodega Bay (bottom of gulch); e of Bodega Bay Comment
  CAS-BOT-BC141947  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  CAS-BOT-BC141958  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-7-26 1556 Sonoma Coleman Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141601  Potentilla uliginosa John Thomas Howell 1947-6-26 23297 Sonoma Cunningham Marsh Comment
  SDSU9862  Primula hendersonii D. F. Howe 1972-2-20 4804 Sonoma Trinity Road, Mt. Hood Range. Comment
  UCD139798  Prosartes hookeri M. Wiesendanger 1927-5-5 728 Sonoma Kenwood Springs. Comment
  CDA40757  Prunella vulgaris subsp. lanceolata G. D. Barbe 1982-5-27 3617 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  JEPS23732  Prunella vulgaris var. lanceolata Hilda W. Grinnell 1933-7-21 Sonoma Bodega Bay Comment
  CDA40756  Prunella vulgaris var. lanceolata T. C. Fuller 1958-5-24 4001 Sonoma Vinehill District. 0 Comment
  UC1321010  Prunella vulgaris var. vulgaris Peter Rubtzoff 1961-9-6 4729 Sonoma ne Graton (Laguna de Santa Rosa area); , ne of Graton Comment
  UC861010  Prunus virginiana var. demissa Alice Eastwood 1922-5-5 11295 Sonoma Mount St. Helena Comment
  UCR255689  Prunus virginiana var. demissa Greg de Nevers 1998-4-27 11206 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  UCD113518  Prunus virginiana var. demissa Frederica Bowcutt 1996-5-24 2161 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  CAS-BOT-BC356927  Pseudognaphalium californicum G. DeNevers 1981-9-5 1828 Sonoma Pepperwood Ranch. N of Pippindale Garden Comment
  UCD135219  Pseudognaphalium stramineum P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC361622  Pseudognaphalium stramineum Volney Rattan No date on label s.n. Sonoma Guerneville Comment
  UC75921  Pseudognaphalium thermale Miss M. Alice King 1896-9-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC80184  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  UCD135120  Pseudotsuga menziesii var. menziesii Mary M. Hektner 1974-7-10 143 Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC166714  Psilocarphus Peter Rubtzoff 1961-6-7 4616 Sonoma Laguna de Santa Rosa, ca. 1 mile southeast of Trenton Comment
  CAS-BOT-BC176176  Psilocarphus Peter Rubtzoff 1970-5-16 6228 Sonoma 5 miles north of Sears Point. Comment
  UCD166297  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road. Comment
  CAS-BOT-BC361729  Psilocarphus brevissimus var. brevissimus J. W. Congdon 1880-5-24 s.n. Sonoma Santa Rosa Comment
  UCR254916  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA94346  Pyrus communis Peter Rubtzoff 1952-10-26 1332 Sonoma Pitkin Marsh, near Forestville, eastern branch of the Upper Marsh. Comment
  CDA16159  Quercus X eplingii G. F. Hrusa, R. Gross 1999-6-12 15076 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  CAS-BOT-BC94703  Quercus X howellii D. E. Breedlove 1980-6-27 44776 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC104297  Quercus X morehus Walter Knight; Irja Knight 1968-1-1 2268 Sonoma Genpers Resort, along creek at first footbridge in ravine on genper trail Comment
  JEPS37365  Quercus agrifolia Miss R. Kuhn 1913-10-1 Sonoma Sonoma Valley Comment
  UCD45023  Quercus agrifolia G. F. Hrusa 1996-3-8 12655 A Sonoma Common tree on SW-facing lower slopes immediately above valley floor on S side of Foote Creek. Foote Ranch at corner of Ida Clayton Rd. and Hwy.128. Few in bloom here. 38.49 N 122.41 W. 250 Comment
  JEPS46655  Quercus douglasii W. H. Calhoun 1908-10-18 Sonoma Healdsburg Comment
  UCD46175  Quercus garryana Rimo Baeigalupi 1958-11-23 6961 Sonoma On property of Fred H. Clemens, at junction of Arata Road and U.S. Highway 101, 4 miles south of Healdsburg. Comment
  SEINET13953407 Image available Quercus garryana G. Thomas Robbins 1940-1 307 Sonoma Rincon Ridge ca. 6 mi ne of Santa Rosa 168 Comment
  CAS-BOT-BC94707  Quercus john-tuckeri Chester Dudley 1936-5-1 s.n. Sonoma Indian Creek between Creston and Comatti Comment
  CAS-BOT-BC105487  Quercus kelloggii Herman Knoche 1919-11-23 Series A, 3075 Sonoma Santa Rosa Comment
  SEINET12030401  Quercus kelloggii W. Knight, Knight, I.; Edwards, S. 1986-1 5322 Sonoma along trail to summit of Geyser Peak. access from Healdsburg-Geysers Road 872 Comment
  CAS-BOT-BC62806  Quercus lobata W. R. Dudley 1895-2-23 s.n. Sonoma near Knight Valley Winery Comment
  JEPS37979  Quercus wislizeni W. L. Jepson 1893-9-23 Sonoma Mt. St. Helena 914 Comment
  UCD47610  Quercus wislizeni var. frutescens Frederica Bowcutt 1994-6-25 1921 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. Confirmed by K. Mawdoley 21 Oct 1996. 670 Comment
  UC9374  Ranunculus aquatilis var. capillaceus W. H. Brewer 1862-4-18 970 Sonoma near Sonoma Comment
  RSA534581  Ranunculus californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  SEINET7096763  Ranunculus californicus 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
  RSA634963  Ranunculus californicus Michael A. Vincent, Ethan H. Freid, Alex Reich 1998-4-8 8176 Sonoma Bodega Bay, Bodega Bay Marine Reserve, off Bodega Road, Bodega Head Comment
  UC726347  Ranunculus californicus A. A. Heller 1937-5-1 16174 Sonoma in field back of bluff n Bodega Bay Comment
  UCD14289  Ranunculus californicus L. Coats 1983-5-17 22 Sonoma Sonoma Co.; along Highway 1, 4.3 miles north of Salt Point State Park; 21 Comment
  UCD95979  Ranunculus californicus Michael A. Vincent; Ethan H. Freid, Alex Reich 1998-4-8 8176 Sonoma Bodega Bay, University of California (Davis) Bodega marine Reserve, off Bodega Road, Bodega Head. Comment
  SEINET3160888  Ranunculus californicus var. crassifolius L. S. Rose 1939-4-2 39051 Sonoma 3 mi. n. of Bodega Bay Comment
  RSA733909  Ranunculus californicus var. crassifolius Chas. H. Lamoureux, J. M. Tucker, June McCaskill 1957-4-7 1192 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  RSA281534  Ranunculus orthorhynchus var. bloomeri Michener, Bioletti 1893-04 s.n. Sonoma Kenwood Comment
  UC1126138  Ranunculus orthorhynchus var. bloomeri C. M. Belshaw 1936-3-7 1555 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  POM268843  Ranunculus orthorhynchus var. bloomeri A. A. Heller, H. E. Brown 1902-3-14 5061 Sonoma Near Windsor. Comment
  SEINET12094350  Ranunculus parviflorus H. K. Wagnon 1989-1 1867 Sonoma 5555 Montgomery Dr., Santa Rosa 67 Comment
  JEPS18121  Ranunculus pusillus Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5677 Sonoma above Canyon of Big Austin Creek (4 mi n of Cazadero, above Arroyo Gun Club); Onion Pond 154 Comment
  RSA94332  Ranunculus repens Peter Rubtzoff 1951-6-9 149 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  SEINET12095408  Ranunculus uncinatus C. F. Quibell 1976-1 1367 Sonoma Marshall - Petaluma Road Comment
  CDA14169  Reseda luteola G. F. Hrusa, R. Gross 1997-5-12 13769 Sonoma North Coast Biodiversity Arena; Ida Clayton Rd. on NW shoulder of Mt. St. Helena. Comment
  POM136620  Rhamnus californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  JEPS78946  Rhamnus californica subsp. californica Edward Lee 1936-6-8 2213 Sonoma North Ridge to Smith Creek (Trail 3A) Comment
  CAS-BOT-BC55946  Rhamnus crocea A. A. Heller 1902-6-26 5766 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC571040  Rhododendron macrophyllum Herbert L. Mason 1928-7-11 4894 Sonoma 2 mi n of Fort Ross Comment
  UCD141958  Rhododendron occidentale G. F. Hrusa 1989-5-8 7009 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  UCD117949  Rhododendron occidentale George F. Hrusa 1989-5-8 7008 Sonoma At headwaters of Nathanson Creek directly E of town of Sonoma. 390 Comment
  CAS-BOT-BC200334  Rhododendron occidentale var. occidentale Peter Rubtzoff 1957-5-11 3325 Sonoma Near Occidental-Graton road, 2.7 miles east of Occidental Comment
  CAS-BOT-BC200347  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CDA32769  Rhododendron occidentale var. occidentale G. F. Hrusa 1990-6-2 8062 Sonoma Outer North Coast Ranges; Skagg's Springs road from Stewart's Point, approx. 1 mile inland from Hwy 1. 91 Comment
  CAS-BOT-BC111862  Rhynchospora alba Milo S. Baker; John Thomas Howell 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog. Comment
  CAS-BOT-BC111884  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CAS-BOT-BC111901  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111903  Rhynchospora capitellata Peter Rubtzoff 1951-9-2 726 Sonoma Pitkin Marsh; lower part of the upper marsh. Comment
  UC1055945  Rhynchospora capitellata Peter Kamb 1950-6-16 1855 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  RSA94267  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 325 Sonoma Margin of Creek at Hwy 12, SE of Forestville Comment
  CAS-BOT-BC111931  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111933  Rhynchospora recognita John Thomas Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles n of Sebastopol. Comment
  UC79601  Ribes G. A. Newell Aug. 1900 Sonoma Russian River Station Russian River Comment
  POM142001  Ribes californicum H. E. Brown, A. H. Heller 1902-3-10 6335 Sonoma [Unspecified] Comment
  UC730046  Ribes californicum Leo F. Koch 1940-4-20 807 Sonoma about 3 mi from Highway 1 (Plantation road) Comment
  CAS-BOT-BC93056  Ribes californicum var. californicum Dorothy Scherer 1996-3-25 021 Sonoma Northeast corner of Park, ca. 500 feet west of Seaview Road, Fort Ross State Historic Park. 451 Comment
  CAS-BOT-BC93059  Ribes californicum var. californicum Greg de Nevers 1987-2-10 8126 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  CAS-BOT-BC368086  Ribes divaricatum Greg de Nevers 1998-3-20 11219 Sonoma Cresta Ranch, Mark West Creek Comment
  CAS-BOT-BC168994  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1954-6-19 1492 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC169002  Ribes divaricatum var. pubiflorum A. A. Heller; H. E. Brown 1902-3-12 5038 Sonoma Sonoma Creek, eastern base of Mt. Hood Comment
  UC75436  Ribes menziesii Milo S. Baker 1898-4-3 24 Sonoma between Forestville and Guerneville Comment
  UC75450  Ribes menziesii Milo S. Baker 1898-4-5 Sonoma between Sea View and Stewarts Point (Coast Road) Comment
  UCD151193  Ribes menziesii James A. Neilson Jr. 1974-7-10 s.n. Sonoma Mayacmas Mountains, west of Geyser Rock, along road to PG and E geothermal units 9 and 10, eastern Sonoma County. (Elevation estimated using Google Earth by label maker.) 1036 Comment
  UC1182092  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 171 Sonoma ne Kenwood (n from Sonoma, at foot of Mt. Hood); Mt. Hood, Canyon of Sonoma Creek Comment
  CAS-BOT-BC362937  Rigiopappus leptocladus Alice Eastwood 1915-6-5 4587 Sonoma Petrified Forest Comment
  RSA785734  Romanzoffia californica Carrie A. Herd 1982-3-28 59 Sonoma Scagg Springs Road; 10.1 miles from Scagg Springs Road Bridge no. 1. Comment
  UC1069441  Romanzoffia californica E. Armstrong 1934-3-26 915 Sonoma 2 mi. n.w. Camp Meeker; Sebastopol Quad. 91 Comment
  CAS-BOT-BC74695  Rorippa curvisiliqua Peter Rubtzoff 1956-9-21 2936 Sonoma Vacation Beach, near Guernville. On Russian River bottom. Comment
  CAS-BOT-BC74702  Rorippa curvisiliqua Peter Rubtzoff 1959-4-19 4043 Sonoma Ross Marsh. Comment
  CAS-BOT-BC74711  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 A 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
  RSA247444  Rorippa palustris subsp. occidentalis Peter Rubtzoff 1964-8-20 5470 Sonoma Near pond 1 mile SE of Jenner (near jct of Hwy 1 and Hwy 12) Comment
  CAS-BOT-BC152657  Rosa californica Dorothy Scherer 1997-5-20 119 Sonoma South side of Fort Ross Rd. and east end of Russian Orchard, Fort Ross State Historic Park 106 Comment
  CAS-BOT-BC152666  Rosa californica Greg de Nevers 1986-11-7 8116 Sonoma Riebli Rd., NE of Santa Rosa 150 Comment
  CAS-BOT-BC146769  Rosa gymnocarpa Mrs. Pettibone 1894-5-14 s.n. Sonoma Cazadero Comment
  JEPS45673  Rosa gymnocarpa W. L. Jepson 1923-6-28 10013 Sonoma Kenwood Sonoma Canyon Comment
  CAS-BOT-BC262848  Rubus Peter Rubtzoff 1954-7-28 1591 Sonoma Guerneville Marsh; northwestern end of marsh. Comment
  UCR279643  Rubus Peter Rubtzoff 1964-5-20 5306 Sonoma Bodega Bay Marsh 15 Comment
  UCR218648  Rubus discolor George K. Helmkamp, E. A. Helmkamp 2010-6-4 16213 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
  UCD160015  Rubus leucodermis James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3291 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD113832  Rubus parviflorus Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1766 a Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco; approximately 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail. Approximately 200 yards from the trail head on Adobe Canyon Road and just E of Bear Creek, about 5 yards N of confluence with Sonoma Creek. 198 Comment
  SEINET11910988  Rubus procerus F. H. Utech 1986-1 86 -118 Sonoma ca 6 mi NE on Cavedale Road from junction with CA 12 600 Comment
  RSA800356  Rubus spectabilis Peter Rubtzoff 1964-5-20 5306 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC157179  Rubus ursinus Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  JEPS76917  Rubus ursinus Robert M. Lloyd 1963-2-24 2061 Sonoma on State Highway 1, 0.2 mi n Bodega Bay City; n of Bodega Bay City Comment
  RSA800079  Rubus ursinus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh. Comment
  UC666159 Image available Rubus ursinus S. W. Brown 1942-6-28 42015 Sonoma in ravine 15 mi n Fort Ross; ; Ft. Ross Comment
  CAS-BOT-BC164402  Rumex Peter Rubtzoff 1959-6-20 4169 Sonoma Willow Creek Marsh. Comment
  RSA784601  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  UCD148370  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  UCD101097  Rumex conglomeratus Mary M. Hektner; Cathy Hendel 1974-7-25 170 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC421855  Rumex conglomeratus John H. Thomas 1976-6-18 18357 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. Comment
  UCD158827  Rumex crispus James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2897 Sonoma old mine on the Geysers Road, west of The Geysers, Section 14. (Elevation estimated by label maker using Google Earth.) 548 Comment
  RSA783834  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166659  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC433849  Rumex pulcher F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -155 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US hwy 101 on Geysers Road. 80 Comment
  CAS-BOT-BC433868  Rumex salicifolius John Thomas Howell 1957-10-12 32997 Sonoma About 1 mi. sw. of Sonoma Comment
  CDA2403  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Behind community center on west side of Hwy 1 north of town, Bodega Bay. 0 Comment
  UC1719909  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, behind community center on W side of Hwy 1 N of town Comment
  CAS-BOT-BC249308  Sagina Peter Rubtzoff 1955-5-14 1848 Sonoma Duncans Mills Marsh, along the eastern border. Comment
  CAS-BOT-BC249312  Sagina Peter Rubtzoff 1960-5-18 4377 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC445697  Sagittaria cuneata Peter Rubtzoff 1972-6-29 6816 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC445776  Sagittaria latifolia Peter Rubtzoff 1963-10-9 5296 Sonoma Laguna de Santa Rosa east of Graton. Comment
  UCR249348  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC103945  Salix exigua Peter Rubtzoff 1969-8-29 6179 Sonoma Pond ca. 3 mi. west of Fulton on River Road Comment
  CAS-BOT-BC103950  Salix exigua Peter Rubtzoff 1957-5-4 3319 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  CAS-BOT-BC103842  Salix exigua subsp. melanopsis Peter Rubtzoff 1952-6-15 1266 Sonoma Fitch Mtn., near Healdsburg. Bank of Russian River Comment
  CAS-BOT-BC290707  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC107755  Salix hindsiana G. De Nevers 1981-3-14 535 Sonoma Pepperwood Ranch - Pippindale farm, 7 mi. NE of Santa Rosa near Mark West Lodge. Leslie Creek, 100 m upstream from the junction. Comment
  SEINET5633132 Image available Salix jepsonii A. A. Heller 1902-1 5044 Sonoma Foot of Mount Hood. Comment
  UC482064  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. Bodega Bay (near Bodega, on Santa Rosa - Bodega Hwy., Larkspur R__k) Comment
  CAS-BOT-BC128099  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma Pitkin Marsh, near Forestville, opening south of the Upper Marsh Comment
  CAS-BOT-BC107088  Salix lasiolepis Mary P. Wells 1986-2-2 736 Sonoma north of Wild Moor Reach, The Sea Ranch Comment
  CAS-BOT-BC107096  Salix lasiolepis Peter Rubtzoff 1952-3-23 894 Sonoma south of the Upper Marsh Comment
  CAS-BOT-BC107255  Salix lasiolepis Ball; Bracelin; Parks & Parks 1931-4-12 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga Comment
  RSA534495  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  UC453102  Salix lasiolepis W. A. Setchell 1931-7-31 19 Sonoma Bodega Bay Comment
  UCD111582  Salix lasiolepis Ball; Bracelin, Parks, and Parks 1931-4-21 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga. Comment
  CAS-BOT-BC107355  Salix lasiolepis var. bigelovii Alice Eastwood 1915-6-30 s.n. Sonoma Bodega Comment
  POM281344  Salix lasiolepis var. bigelovii Carleton R. Ball, B. S. Ball 1933-5-6 2501 Sonoma 4 miles SW of Calistoga. On road to Petrified Forest and just over the Napa Co line. Comment
  SD133978  Salix lasiolepis var. bigelovii Peter Rubtzoff 1966-11-9 5837 Sonoma Salmon Creek near Freestone Comment
  CAS-BOT-BC128321  Salix lasiolepis var. lasiolepis A. A. Heller 1902-8-23 5096 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  RSA534501  Salix lucida subsp. lasiandra Peter Rubtzoff 1962-5-5 4805 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC129523  Salix melanopsis Peter Rubtzoff 1978-7-19 9237 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdburg on So. Fitch Mtn. Road Comment
  UC453079  Salix melanopsis W. A. Setchell 1931-7-25 1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC126192  Salix scouleriana Ynes Mexia 1933-2-18 s.n. Sonoma Four miles south of Camp Meeker Comment
  RSA13573  Salix scouleriana W. A. Setchell 1934-7-10 9 Sonoma Ridge Highway. Above Fort Ross. Comment
  SBBG28810  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental, on Occidental grade Comment
  SD881  Salix scouleriana Baker, Ball, Bracelin, Crum 1931-5-9 342 Sonoma Two km east of Occidental, on Occidental Grade, arroyo bank Comment
  UC482055  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 342 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  POM219061  Salix sitchensis Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 344 Sonoma About 2 km E of Bodega Bay. Comment
  SJSU218  Salix sitchensis Baker, Ball, Bracelin & Crum 1931-5-9 344 Sonoma c. 2 km E of Bodega Bay Comment
  UC1084371  Salix sitchensis G. Thomas Robbins 1937-3-26 41 Sonoma creek near Bodega Bay Bodega Bay Comment
  UC504048  Salix sitchensis W. A. Setchell 1933-5-6 Sonoma roadside between Monte Rio and Camp Meeker Comment
  SEINET10424546  Salix sitchensis A. A. Heller 1902-1 5044 Sonoma Sonoma Creek, foot of Mount Hood. Comment
  UCD99303  Salsola soda P. G. Connors 1994-9-23 333 Sonoma Bodega Head and Dunes. Comment
  UCLA70040  Salvia columbariae A. A. Heller and H. E. Brown 1902-4-4 5212 Sonoma hills e Santa Rosa Comment
  SEINET12329797  Salvia columbariae W. Knight, Knight, I.; Edwards, S. 1986-1 5339 Sonoma Geyser Peak, Access from Healdsburg-Geysers Road 869 Comment
  RSA177919  Salvia sonomensis Robert F. Thorne 1965-4-20 34368 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  SFV8448  Salvia sonomensis K. Milam 1966-3-3 6 Sonoma North Coast Ranges Cavedale Road, opposite Hooker Canyon. 425 Comment
  UCSB5819  Salvia sonomensis Keator, Glenn 1959-4-2 Sonoma 2.5 miles east on Cavedale road; 3.6 miles from Agua Caliente Comment
  CAS-BOT-BC245883  Sambucus nigra subsp. caerulea Walter Knight; Irja Knight 1963-9-1 145 Sonoma Pine Mt. Rd., NE of Cloverdale, Harold Smith Ranch Comment
  UCD137236  Sambucus nigra subsp. caerulea C. Wistrom 1996-5-26 31 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  JEPS98654  Sanicula arctopoides O. Gomez, R. Power, E. and P. Vargas 1996-4-7 7 PV96 Sonoma Bodega Head Bodega Bay 76 Comment
  CAS-BOT-BC223343  Sanicula bipinnatifida Alice Eastwood 1921-5-8 10438 Sonoma Petaluma Comment
  CHSC34607  Sanicula bipinnatifida Jeffrey D. Prouty 1979-4-11 224 Sonoma Ca. 7 mi n of Santa Rosa. Grassy slope ca. 100 yds w of Mark West Springs Rd., ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  UC750801  Sanicula bipinnatifida Charles B. Heiser Jr. 1946-4-13 1719 Sonoma between Jenner and Duncan Mills Comment
  JEPS77263  Sanicula bipinnatifida Robert M. Lloyd 1963-4-24 2400 Sonoma 16.5 mi from State Hwy (on road to Oakdale) 274 Comment
  UC11769  Saxifraga californica F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  UC71997  Saxifraga californica Milo S. Baker 1898-3-26 682 Sonoma Santa Rosa Comment
  UC480598  Saxifraga integrifolia Carl Meyer 1928-4-3 324 Sonoma Santa Rosa Comment
  UC1084361  Saxifraga mertensiana G. Thomas Robbins 1937-3-26 24 Sonoma near Bodega Bay Comment
  UC1127658  Saxifraga mertensiana E. Armstrong 1934-3-26 907 Sonoma 1 mi nw of Camp Meeker 121 Comment
  UC21368  Scandix pecten-veneris F. T. Bioletti Jun 1891 Sonoma Kenwood Comment
  UCD128133  Scandix pecten-veneris Robert F. Thorne 1965-4-19 34262 Sonoma Cotati, Waters Ranch. 30 Comment
  CAS-BOT-BC283146  Schedonorus arundinaceus David L. Morgan 1960-7-7 s.n. Sonoma On Roblar Road 1/2 mi. W. of Stony Pt. Road at R.R. crossing Comment
  CAS-BOT-BC111438  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1960-6-25 4522 Sonoma Laguna de Santa Rosa northeast of Graton, ca 1/2 mi north of Guernebille Rd. crossing. Comment
  CAS-BOT-BC111528  Schoenoplectus americanus Peter Rubtzoff 1972-8-26 6861 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC111634  Schoenoplectus californicus Peter Rubtzoff 1963-9-1 5249 Sonoma Bennett Mtn. Lake. Comment
  RSA540070  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111658  Schoenoplectus mucronatus Peter Rubtzoff; Nancy Harrison 1974-8-31 7858 Sonoma Hinebaugh Creek in Rohnert Park, creek just east of the Commerce Blvd. crossing. Comment
  RSA534612  Schoenoplectus pungens Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111837  Schoenoplectus tabernaemontani Peter Rubtzoff 1962-9-16 5086 Sonoma Vacation Beach, 2 mi below Guerneville. Open, moist ground on Russian River bottom. Comment
  CAS-BOT-BC111844  Schoenoplectus tabernaemontani Peter Rubtzoff 1987-9-27 9850 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CDA19323  Scirpus californicus Vernon June 2001 PDR P 091976 Sonoma North Coast; Riebli Road near Santa Rosa. 0 Comment
  UCR255659  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Santa Rosa, Pepperwood Ranch, 3450 Franz Valley Road 400 Comment
  UC1005694  Scoliopus bigelovii Frank W. Gould 1939-2-25 562 Sonoma canyon ca. 2 1/2 mi. s. Ft. Ross 30 Comment
  SEINET12050505  Scoliopus bigelovii F. H. Utech 1988-1 88 -182 Sonoma 0.15 mi SE from East Ave jct with Bohemian Road on latter enroute to Occidental from Camp Meeker 140 Comment
  CAS-BOT-BC320539  Scrophularia californica Peter Rubtzoff 1954-8-11 1690 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC320545  Scrophularia californica Peter Rubtzoff 1955-8-20 2069 Sonoma Bodega Harbor Marsh. Comment
  UCD124820  Scrophularia californica Mary M. Hektner 1974-6-19 26 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  UCD160751  Scrophularia californica James A. Neilson Jr. 1975-5-23 3208 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC376321  Scutellaria tuberosa Greg de Nevers 1993-4-27 10411 B Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  UC1084465  Sedum spathulifolium G. Thomas Robbins 1937-6-6 230 Sonoma rolling hills 2-3 mi e Bodega Bay; e of Bodega Bay Comment
  UCD102068  Sedum spathulifolium Winifred Anderson 1966-5-7 21 Sonoma Pine Flat Road, 10 miles east of Healdsburg. 182 Comment
  OBI59736  Selaginella wallacei S. F. Blake 1927-8-28 10351 Sonoma Near Petrified Forest, near Santa Rosa Comment
  UC371002  Selaginella wallacei Michener and Bioletti 1893-12-25 Sonoma Adobe Canyon Comment
  CAS-BOT-BC364219  Senecio sylvaticus Peter Rubtzoff 1969-8-14 6135 Sonoma Coleman Marsh Comment
  UCD18204  Senecio sylvaticus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, in sand dunes near housing facility. Comment
  CAS-BOT-BC173681  Senecio vulgaris Peter Rubtzoff 1956-9-14 2896 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC364678  Senecio vulgaris A. A. Heller; H. E. Brown 1902-3-16 5072 Sonoma Russian River, near Trenton Comment
  SEINET8057879 Image available Sequoia sempervirens A. A. Heller 1902-1 5080 Sonoma Russian river, near Trenton Comment
  YM-YOSE15454  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles south of Santa Rosa in Bennet Valley Comment
  CAS-BOT-BC240154  Setaria pumila Peter Rubtzoff 1971-9-2 6684 Sonoma Todd Road near Stony Point Road Comment
  JEPS54475  Sidalcea calycosa subsp. calycosa Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9314 Sonoma se Forestville (near eastern end of Templeman Road, Pitkin Marsh); Pitkin Marsh, se of Forestville 45 Comment
  CAS-BOT-BC187882  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  POM210232  Sidalcea diploscypha H. E. Parks, S. T. Parks 1930-05 625 Sonoma Head of Alexander Valley 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
  UC18875  Sidalcea diploscypha F. T. Bioletti 1892-1 Sonoma Comment
  SEINET11971663  Sidalcea hartwegii L. S. Rose 1940-1 40372 Sonoma Sonoma 30 Comment
  UCD116786  Sidalcea malviflora Cynthia Hodges 1982-4-8 13 Sonoma 10 miles south of Healdsburg on Chalk Hill Road directly off Highway 128. 39 Comment
  CAS-BOT-BC213169  Sidalcea oregana subsp. valida M. S. Baker 1927-7-19 2343 Sonoma Kenwood Comment
  CAS-BOT-BC540830  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  UCR23679  Silene californica John C. Roos 1957-6-29 6618 Sonoma North Coast Ranges, Fitch Mtn, near Healdsburg 59 Comment
  UCD98715  Silene gallica Terri Williamson 1990-5-20 57 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UCR253366  Silene gallica Peter Rubtzoff 1971-7-3 6589 Sonoma Intermittent lake off west side of Hwy 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  SEINET4855742  Silene grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC389221  Silene laciniata subsp. californica Nora Pettibone 1894-5-15 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC389228  Silene laciniata subsp. californica Volney Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC389223  Silene laciniata subsp. californica A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  UC8454  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Point, Sonoma Co. Comment
  UCD135848  Silybum marianum Gerry North 1993-4 55 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Vista trail 1/2 mile NE of fork with Bald Mountain trail. Sugarloaf Ridge State Park. 556 Comment
  UCD115720  Sisymbrium officinale Frederica Bowcutt 1994-6-12 1857 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  RSA366986  Sisyrinchium bellum Christopher Davidson 1977-6-20 6037 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  SEINET12051395  Sisyrinchium bellum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -260 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC164418  Solanum Peter Rubtzoff 1965-8-22 5613 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD167434  Solanum Peter Rubtzoff 1958-9-20 3998 Sonoma Laguna de Santa Rosa NE of Graton (0.5 mi. N Guerneville Rd). Comment
  UCD126855  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma 1605 Laguna Road, Sebastopol. Comment
  SEINET6035513  Solanum furcatum Unknown 1958-8-17 3889 Sonoma Laguna de Santa Rosa. Northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC157977  Solanum lycopersicum Peter Rubtzoff 1958-8-9 3838 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC157536  Solanum umbelliferum P. Rubtzoff 1952-6-9 1195 Sonoma Resort at east slope of Fitch Mtn., nr. Healdsburg Comment
  NY820492  Solanum xanti var. intermedium P. H. Raven 1951-5-20 2862 Sonoma Oakville to Glen Ellen 274 Comment
  CAS-BOT-BC365583  Solidago elongata Peter Rubtzoff 1951-9-2 716 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  RSA0062825  Solidago occidentalis Greg de Nevers 1989-8-28 9096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 100 Comment
  UCD136069  Solidago spathulata G. F. Hrusa; G. L. stebbins, J. McCaskill 1993-9-14 11419 Sonoma along Cavedale Road approximately 2.7 miles east of Highway 12. 400 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
  UC485623  Solidago velutina subsp. californica Miss C. M. Huak August 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC365267  Solidago velutina subsp. californica G. DeNevers 1981-7-19 1765 Sonoma Pepperwood Ranch. Near the Trapper's Cabin Comment
  CAS-BOT-BC173669  Soliva sessilis Peter Rubtzoff 1955-8-7 2036 Sonoma Guerneville Marsh. Comment
  UCD165151  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173831  Soliva sessilis Peter Rubtzoff 1960-5-16 4341 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC365959  Soliva sessilis Peter Rubtzoff 1952-6-10 1204 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC164073  Sonchus Peter Rubtzoff 1960-6-25 4512 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC374525  Sonchus asper G. DeNevers 1981-4-25 813 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC236594  Sorghum halepense G. DeNevers 1981-6-26 1664 Sonoma Along River Road between Fulton and Mirabel Park, Russian River area Comment
  CAS-BOT-BC258918  Spergula Peter Rubtzoff 1954-7-27 1576 Sonoma Guerneville Marsh. Comment
  RSA800207  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  UCR275246  Spergularia Peter Rubtzoff 1971-7-9 6597 Sonoma San Francisco Bay Region, 5 miles north of Sears Point 9 Comment
  CAS-BOT-BC390124  Spergularia bocconi Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy 1 Comment
  CAS-BOT-BC390974  Spergularia marina Walter Knight; Irja Knight 1963-9-29 232 Sonoma Near railroad bridge over Petaluma River ca. 1 mi. s. of Petaluma Comment
  CAS-BOT-BC323826  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC390725  Spergularia rubra Walter Knight; Irja Knight 1985-9-23 5178 Sonoma Lower Tubbs Island, about 1/4 mile from San Pablo Bay Comment
  CAS-BOT-BC502056  Stachys Peter Rubtzoff 1965-10-10 5658 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC502059  Stachys Peter Rubtzoff 1971-9-3 6691 Sonoma SE border of Spring Creek Reservoir area Comment
  UC1041056  Stachys ajugoides var. ajugoides J. W. Congdon 1880-7-25 Sonoma Petaluma Comment
  JEPS78950  Stachys ajugoides var. rigida Edward Lee 1936-6-8 2220 Sonoma grounds near entrance Bohemian Grove Comment
  UC726646  Stachys ajugoides var. rigida A. A. Heller 1938-5-14 15084 Sonoma e Bodega Bay (along State Highway #1) Comment
  CAS-BOT-BC361392  Stachys albens Greg de Nevers 1993-8-7 10482 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa E of barn 400 Comment
  JEPS128255  Stachys albens Roger Raiche 2000-9-2 151 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET6744782 Image available Stachys chamissonis Marcus E. Jones 1882-1 Sonoma Duncan's Mills Comment
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Apr 7 2018
  SEINET12332456  Stachys rigida subsp. quercetorum F. H. Utech 1988-1 88 -222 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  SEINET9340248  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville 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
  UCD126030  Stachys rigida var. rigida J. Adams; J. Weick 1993-5-8 283 Sonoma 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. Sugarloaf Ridge State Park. Comment
  RSA0022424  Stellaria Peter Rubtzoff 1970-10-29 6418 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC251218  Stellaria media Peter Rubtzoff 1954-9-6 1736 Sonoma Guerneville Marsh. Comment
  RSA800340  Stellaria media Peter Rubtzoff 1958-8-16 3883 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  JEPS128186  Stellaria nitens Roger Raiche 2001-3-11 004 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD151227  Stephanomeria virgata James A. Neilson Jr. 1974-5-1 3119 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  UC1178914  Streptanthus barbiger Herbert L. Mason 1946-7-4 12896 Sonoma ridge 2 mi e Occidental Comment
  UC1736738  Streptanthus barbiger Dean W. Taylor 1998-6-22 16682 Sonoma Geysers Area, serpentine barren along John King Cade Road; headwaters Cobb Creek 975 Comment
  UC956503  Streptanthus barbiger Freed W. Hoffman 1948-6-17 2345 Sonoma tributary of East Austin Creek North Coast Ranges, Gilliam Creek Comment
  UC650315  Streptanthus barbiger F. W. Hoffman 1941-6-3 Sonoma Serpentine Island south watershed of Russian River Comment
  JEPS128292  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2009-4-30 030 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  CAS-BOT-BC87236  Streptanthus glandulosus subsp. hoffmanii A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero. Comment
  UC1292660  Streptanthus glandulosus subsp. secundus A. R. Kruckeberg 1947-5-3 1436 Sonoma along Hwy 28 between milepost A-1140 and milepost A-1150 (about 3/4 mi w of Maacamas Creek crossing, hwy from Calistoga to Healdsburg, w end of valley); Knight's Valley Comment
  UC1492745  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-12 2355 Sonoma headwaters of Warm Springs Creek North Coast Ranges, Bob Caughey Ranch Comment
  CAS-BOT-BC87296  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1964-6-6 s.n. Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC87299  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1929-6-30 4321 Sonoma 4 miles from Petrified Forest on road to Knights Valley. Comment
  JEPS82241  Streptanthus morrisonii Roger Raiche 1983-8-6 30581 Sonoma headwaters Austin Creek (The Cedars); , Austin Creek 182 Comment
  UC1751203  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-5-30 1030 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  CAS-BOT-BC274034  Stuckenia pectinata Peter Rubtzoff 1964-8-20 5465 Sonoma 1 mile southeast of Jenner (near crossing of Hwys. 1 & 12). Comment
  CAS-BOT-BC257970  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma Marsh on River Road, about 3 miles west of Fulton. Comment
  UCD166489  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD166491  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC540811  Symphoricarpos Peter Rubtzoff 1966-6-5 5754 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC540813  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma Marsh on River Road, about 3 miles west of Fulton. Comment
  CAS-BOT-BC269628  Symphoricarpos albus var. laevigatus Barbara Stuart Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  UCD137411  Symphoricarpos albus var. laevigatus Frederica Bowcutt; Jeff Kennedy , Jolie Henricks 1994-5-1 1763 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  UC353794  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 a Sonoma e side Los Guilucos Valley (road to Youngman's) 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
  UC1042435  Symphyotrichum subspicatum Peter Rubtzoff 1951-9-15 748 Sonoma Upper Marsh, Western branch Comment
  CAS-BOT-BC164033  Taraxacum Peter Rubtzoff 1960-5-16 s.n. Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC376876  Taraxacum erythrospermum Peter H. Raven 1950-4-6 1587 Sonoma Santa Rosa 152 Comment
  OBI70523  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .288 Sonoma Cavedale Rd 518 Comment
  UCR222557  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2010-6-5 16240 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  SEINET12217337  Tellima grandiflora F. H. Utech 1988-1 88 -227 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  CHSC23298  Thermopsis macrophylla C. Slobodchikoff 1965-5-16 97 Sonoma 6.4 mi northeast of Penngrove, on Lichau Road. Comment
  SEINET6934810  Thermopsis macrophylla var. argentata W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 1 mile west of Annapolis. Comment
  CAS-BOT-BC66806  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10933 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66809  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  SEINET11996226  Thysanocarpus curvipes H. K. Wagnon 1989-1 1852 Sonoma Spring Lake County Park, Santa Rosa 67 Comment
  CAS-BOT-BC67332  Thysanocarpus radians A. A. Heller; H. E. Brown 1902-4-8 5223 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC11054  Thysanocarpus radians W. H. Brewer 1862-4-18 967 Sonoma near Sonoma Comment
  CDA25262  Thysanocarpus radians T. C. Fuller 1977-4-21 20198 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  SD88503  Tofieldia glutinosa subsp. occidentalis Darley F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh. Comment
  UC71975  Tonella tenella Milo S. Baker May 1903 Sonoma Sonoma Creek Comment
  RSA801567  Torilis arvensis Peter Rubtzoff 1967-7-2 5844 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD93180  Torreyochloa pallida var. pauciflora P. G. Connors 1991-6-25 177 Sonoma Bodega Marine Laboratory. In Clark Marsh. Comment
  SEINET12238544  Toxicodendron diversilobum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -266 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Rd 150 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
  JEPS26840  Tragopogon dubius Rimo Bacigalupi 1961-5-21 7703 Sonoma se of Pinecrest school (within city limits of Sebastopol); Sebastopol 64 Comment
  UCR265088  Trientalis latifolia Ann Howald 2015-4-28 3372 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  JEPS46206  Trientalis latifolia Eleanor Armstrong 1932-5-1 495 Sonoma near Camp [Nielson] 121 Comment
  CAS-BOT-BC173536  Trifolium Peter Rubtzoff 1974-6-2 7510 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173641  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7476 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC376242  Trifolium Greg de Nevers No date on label 10837 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC173550  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  RSA784997  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC1130009  Trifolium albopurpureum var. dichotomum H. S. Yates 1934-4-21 3821 Sonoma near Duncan Mills; Duncan Mills quadrangle 60 Comment
  CAS-BOT-BC217060  Trifolium amoenum Peter G. Connors 320 Sonoma West of Occidental Comment
  UC188464  Trifolium barbigerum J. W. Congdon 1880-5-9 Sonoma Petaluma Comment
  UCR119035  Trifolium barbigerum var. andrewsii Beecher Crampton 1955-4-5 2416 Sonoma Santa Rosa Area, 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road 91 Comment
  UC16440  Trifolium bifidum var. bifidum H. N. Bolander 1864-1 3856 Sonoma Russian River Bed Comment
  UCD151095  Trifolium bifidum var. decipiens James A. Neilson Jr. 1973-6-3 2989 Sonoma Mayacmas Mountains. The Geysers. Site I. In Geyser Canyon. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD108278  Trifolium ciliolatum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 65 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 Adobe Canyon Road. 259 Comment
  UCD108861  Trifolium dubium Caitlin Lewis; William Mutch 1993-4-17 8 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center. 365 Comment
  UCD38290  Trifolium dubium Beecher Crampton 1954-4-26 1791 Sonoma 9 miles SE of Geyserville, Highway 128, Alexander Valley. Comment
  UC1084487  Trifolium fucatum G. Thomas Robbins 1938-5-19 263 Sonoma sw Santa Rosa (along Sandy Point Rd) Comment
  UCD37561  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  SEINET12165543  Trifolium hirtum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -159 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  UCD111143  Trifolium hirtum Frederica Bowcutt 1996-5-19 2122 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Lower Bald Mtn. trail. 426 Comment
  UCD147004  Trifolium incarnatum Robert E. Preston 2011-4-28 2849 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  UCSC005925  Trifolium macraei Randall Morgan 1996-5-30 2979 Sonoma Bodega Marine Lab Comment
  JEPS128259  Trifolium microcephalum Roger Raiche 2000-4-20 040 .00 Sonoma The Cedars. Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128366  Trifolium microcephalum Roger Raiche 2000-4-2 016 .00 Sonoma The Cedars. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  JEPS85900  Trifolium obtusiflorum Jack and Betty Guggolz 1991-7-29 1218 Sonoma 2 mi n Camp Meeker (Upper Duvoul Creek) 121 Comment
  OBI70565  Trifolium repens D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .277 Sonoma Cavedale Rd 518 Comment
  CAS-BOT-BC368098  Trifolium striatum Greg de Nevers 1998-5-12 11245 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Skovie 400 Comment
  CAS-BOT-BC479714  Trifolium striatum Ann Howald 2003-5-15 2337 Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, upper E slope, c. 0.1 mi S of Rodgers Creek 205 Comment
  CAS-BOT-BC361337  Trifolium variegatum Greg de Nevers 1997-4-25 10977 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC16790  Trifolium variegatum var. melananthum H. N. Bolander Apr 1864 3881 Sonoma Mark West Creek Coast Ranges Comment
  JEPS117957  Trifolium vesiculosum Zoya Akulova-Barlow 2008-1 Sonoma Cloverdale River Park Comment
  UC1057464  Trifolium wormskioldii G. Thomas Robbins 1937-5-23 197 Sonoma ca 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  CAS-BOT-BC520844  Trillium albidum A. A. Heller; H. E. Brown 1902-3-12 5035 Sonoma Eastern Base of Mt. Hood Comment
  UCD139893  Trillium albidum Frederica Bowcutt; Kate Mawdsley 1996-3-24 2088 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1.5 air miles W of Mount Saint John, along Brushy Peaks Trail jus S of Malm Fork of Sonoma Creek. 594 Comment
  UCR255036  Trillium ovatum Greg de Nevers 1998-4-30 11222 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET12050351  Trillium ovatum F. H. Utech 1988-1 88 -184 Sonoma 0.15 mi SE from East Avenue junction with Bohemian Road on latter 140 Comment
  CAS-BOT-BC521308  Trillium rivale Peter Rubtzoff 1953-5-18 1406 Sonoma Forested hills south of Guerville (Neeley Hill area). Comment
  UC1334893  Triphysaria L. D. Thurman 1964-4-24 434 Sonoma on State Hwy #128, 15 mi nw Calistoga Comment
  SEINET7067236  Triphysaria eriantha A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  UC27176  Triphysaria eriantha subsp. eriantha W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  CHSC32884  Triphysaria versicolor subsp. faucibarbata N. Kvasnik 1980-4-2 2 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  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
  UC1042399  Triphysaria versicolor subsp. versicolor Lewis S. Rose 1948-5-1 48097 Sonoma Valley Ford 13 Comment
  UC58260  Triphysaria versicolor subsp. versicolor A. A. Heller 1903-4-23 6607 Sonoma Fort Ross Comment
  CAS-BOT-BC227673  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mills Marsh. Comment
  RSA129122  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 1 mile NE of Mountain View School. 91 Comment
  UCD148402  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mills Marsh. Comment
  UC1222814  Triteleia hyacinthina Joseph P. Tracy 1950-5-24 18686 Sonoma where the Knight's Valley Road enters Alexander Valley and leaves Mayacamas Creek; , Alexander Valley Comment
  CAS-BOT-BC522371  Triteleia hyacinthina G. DeNevers 1981-5-9 1067 Sonoma E of the gate to the Redwoods; Pepperwood Ranch Comment
  CAS-BOT-BC522373  Triteleia hyacinthina G. DeNevers; S. Kaza 1981-5-7 974 Sonoma 10510 Old Redwood Hwy. 2 miles NW of Windsor exit from 101, vernal pool meadow, vacant lot by Healdsburg Rent-All Comment
  SEINET7042677  Triteleia hyacinthina A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  SEINET8506264  Triteleia hyacinthina W. Roderick 1967-5-20 s.n. Sonoma NW edge of Santa Rosa. 46 Comment
  CAS-BOT-BC527032  Triteleia laxa Peter Rubtzoff 1952-6-10 1199 Sonoma Northeast slopes of Fitch Mountain, near Healdsburg Comment
  SEINET12049783  Triteleia laxa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -151 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 80 Comment
  SEINET7042391  Triteleia laxa A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  CAS-BOT-BC527965  Triteleia peduncularis Greg de Nevers 1987-5-11 s. n. Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC527971  Triteleia peduncularis Peter Rubtzoff; R. Bacigalupi 1971-6-10 6526 Sonoma Grassy flat on South side of W. Railroad Ave. between Fwy. 101 and Stony Point Rd. Comment
  CAS-BOT-BC527978  Triteleia peduncularis Peter Rubtzoff 1962-6-19 4924 Sonoma Occidental Marsh Comment
  CAS-BOT-BC74111  Turritis glabra D. E. Breedlove 1983-4-11 58678 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  RSA540096  Typha angustifolia Peter Rubtzoff 1971-7-9 6592 Sonoma 5 miles north of Sears Point. Comment
  UCD94671  Typha domingensis Frederica Bowcutt 1997-7-18 2183 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
  POM277662  Ulex europaeus A. A. Heller, H. E. Brown 1902-3-22 s.n. Sonoma Among Redwood Trees W of Sebastopol Comment
  SD69963  Ulex europaeus Darley Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on route 1 Comment
Read comments
Feb 6 2013
  CAS-BOT-BC403982  Urtica dioica subsp. gracilis Peter Rubtzoff 1962-9-9 5080 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC404224  Urtica dioica subsp. holosericea Peter Rubtzoff 1958-8-17 3890 Sonoma Laguna de Santa Rosa sourtheast of Graton (near Guerneville Road) Comment
  UC1121134  Vaccinium ovatum E. Armstrong 1934-3-26 948 Sonoma Camp Meeker Sebastopol Quad. 91 Comment
  UC456167  Vaccinium ovatum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CDA19730  Vaccinium ovatum H. R. Leach 1950-9-24 s.n. Sonoma Northern California; Russian River. 0 Comment
  JEPS33033  Vancouveria planipetala Elizabeth Van E. Ferguson Jun 8 1919-Jun 10 1919 248 Sonoma near Guernewood; Russian River, near Guernewood Comment
  UC72741  Vancouveria planipetala Milo S. Baker May, 1899 Sonoma Green Valley; near Gallager's Comment
  CAS-BOT-BC135762  Veratrum fimbriatum Milo S. Baker 1921-9-20 2556 Sonoma 2 mi. north Stewart's Point Comment
  UC473575  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 mi n Fort Ross Comment
  CAS-BOT-BC311842  Verbascum Peter Rubtzoff; Nancy Harrison 1974-7-13 7678 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320550  Verbascum Peter Rubtzoff; Nancy Harrison 1974-7-13 7678 Sonoma Upper Green Valley Marsh. Comment
  CDA15998  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15678 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. with benches above. Comment
  CDA16002  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  UC1125682  Verbascum thapsus E. Armstrong 1934-3-26 911 Sonoma 2 mi n Camp Meeker; Sebastopol Quad., n of Camp Meeker 91 Comment
  POM64648  Verbena lasiostachys var. lasiostachys A. A. Heller 1902-6-27 5785 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC164370  Veronica Peter Rubtzoff 1962-6-8 s.n. Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC166672  Veronica americana Peter Rubtzoff 1954-6-6 1460 Sonoma Guerneville Marsh. Comment
  RSA169299  Veronica americana L. S. Rose 1964-6-3 64050 Sonoma N end of Bodega Bay. 2 Comment
  UCR244741  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  RSA264764  Veronica anagallis-aquatica Peter Rubtzoff 1972-6-23 6782 Sonoma Laguna de Santa Rosa northeast of Graton, ca 0.5 mi north of Guerneville Road crossing. Comment
  UCD166123  Veronica persica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mi. east of Guerneville. At 9981 Old River Road. 16 Comment
  UCD124755  Veronica persica Robert F. Thorne 1965-4-19 34269 Sonoma Titus Ranch at Valley Ford. 18 Comment
  RSA94259  Veronica scutellata Peter Rubtzoff 1951-6-16 233 Sonoma Lower part of the upper marsh. Comment
  CAS-BOT-BC258031  Vicia Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 miles north of Cazadero. Comment
  RSA177953  Vicia americana var. americana Robert F. Thorne 1965-4-20 34323 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA94347  Vicia angustifolia Peter Rubtzoff 1951-7-28 548 Sonoma Southern half of Lower Marsh Comment
  UCSB31792  Vicia benghalensis Townsend, J. 1977-5-30 Sonoma West side Russian River about 1 mile south of Guerneville 335 Comment
Read comments
Jul 28 2008
  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
  RSA0065197  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Rd. 244 Comment
  CAS-BOT-BC270249  Viola adunca L. R. Abrams 1920-7-3 7619 Sonoma Stewarts Point Comment
  SBBG4792  Viola adunca H. and M. Dearing 1939-5-15 3388 Sonoma N of Fort Ross Comment
  UC1763357  Viola adunca Milo S. Baker 1898-4-4 5507 Sonoma near Sea View Comment
  UC1763358  Viola adunca Milo S. Baker 1899-5-6 5506 Sonoma near Sebastopol Comment
  UC581533  Viola adunca H. L. Mason June 1930 5663 Sonoma mouth of Gualala River Comment
  UC1762559  Viola douglasii Milo S. Baker 1928-3-1 3239 Sonoma Melitta, Golf Club Links Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  UC1761445  Viola lobata Milo S. Baker 1924-5-3 463 Sonoma Howell Mt., Pinecrest Comment
  UC1762486  Viola lobata subsp. integrifolia Milo S. Baker 1942-6-11 10205 Sonoma Spring Mt. Rd. near Summit. 457 Comment
  SEINET7040048  Viola lobata subsp. integrifolia A. G. Vestal 1963-5-12 s.n. Sonoma Far point on Spring Mountain Road, 4.4 miles west of St. Helena. Calistoga Quad. UTM Zone 10, 538439mE, 4263542mN. Comment
  UC1762485  Viola lobata subsp. lobata Milo S. Baker 1942-6-11 10206 Sonoma Spring Mt. Rd. near summit 45 Comment
  CAS-BOT-BC135292  Viscum album Stanley Rose 1966-3-13 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  OBI5335  Viscum album C. W. Nichols & W. O. McCartney, W. O. McCartney 1966-1-17 s.n. Sonoma Backyard of 1220 Gravenstein hwy N at Ill Station rd, 1 mi N of Sebastopol Comment
  UC1393645  Viscum album W. J. Ferlatte and William O. McCartney 1970-12-22 1325 Sonoma Sebastopol; nw corner of Mill Station and Gravenstein Highway Comment
  CDA14898  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment
  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-BC290696  Vitis Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  UC1541477  Vitis californica H. E. and S. T. Parks 1930-8-20 693 Sonoma Maacama Creek Comment
  CAS-BOT-BC203132  Vitis californica H. E. McMinn 1922-6-7 188 Sonoma Stream entering Russian River - 2 1/2 mi. from Cosmo Comment
  SEINET10691477  Vitis californica John H. Redfield 1872-8-26 Redfield 1106 Sonoma Geysers Comment
  SEINET10691484  Vitis californica Henry N. Bolander 1866-1 Bolander s.n. Sonoma River at Cloverdale, Calif. Comment
  UCD17550  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Near first highway bridge. Comment
  CAS-BOT-BC385077  Vitis girdiana L. R. Abrams 1916-7-4 5799 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC199825  Vulpia John H. Thomas 1976-6-16 18347 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC1024767  Vulpia bromoides Leo Whitney 1935-3-16 2265 Sonoma near Occidental (Sutherland Ranch) 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
  UCD93548  Vulpia bromoides P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD93580  Vulpia bromoides Collector unknown 1941-3-1 s.n. Sonoma Santa Rosa. Comment
  RSA94641  Vulpia bromoides Peter Rubtzoff 1952-5-31 1095 Sonoma Eastern branch of the upper marsh. Comment
  SEINET197662 Image available Vulpia bromoides Leo Koch 23/47/0001 85564 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  HSC9911  Vulpia microstachys Leo Koch 1940-4-22 838 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  UCD93675  Vulpia microstachys August L. Hormay 1932-5-25 s.n. Sonoma Hot Springs. Comment
  CAS-BOT-BC361284  Vulpia microstachys var. pauciflora Greg de Nevers 1997-4-24 10963 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1024768  Vulpia microstachys var. pauciflora Leo Whitney 1935-4-14 2260 Sonoma near Occidental (Blunden's pasture) Comment
  UC903723  Vulpia microstachys var. pauciflora Milo S. Baker 1947-5-7 11759 Sonoma sw slope Hood Mt. (above Baker Ranch) 213 Comment
  UC903742  Vulpia myuros var. hirsuta Milo S. Baker 1947-5-5 11725 Sonoma s slope Hood Mt. (above Baker ranch) 213 Comment
  CAS-BOT-BC185957  Vulpia octoflora var. octoflora Greg de Nevers 1997-5-8 10995 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UCD138883  Watsonia meriana Frederica Bowcutt 1984-6-24 461 Sonoma Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Old home site next to existing barn just off park road. Northwest of Gerstle Cove. 22 Comment
  UC858950  Whipplea modesta Marcus E. Jones, A. M. 1882-7-17 2658 Sonoma Duncan's Mills Comment
  UCD117296  Whipplea modesta L. Whitney 1932-4-11 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  UCR256277  Wolffiella lingulata Peter Rubtzoff 1963-9-1 5250 Sonoma North Coast Range, Bennett Mountain Lake [apparently = Ledson Marsh] 364 Comment
  RSA784487  Woodwardia Peter Rubtzoff 1970-9-17 6391 Sonoma Forestville Marsh area. Comment
  UCD151244  Woodwardia fimbriata James A. Neilson Jr. 1974-4-16 3026 Sonoma Mayacmas Mountains, upper reaches of Squaw Creek. (Elevation estimated using Google Earth by label maker.) 944 Comment
  RSA94266  Woodwardia fimbriata Peter Rubtzoff 1951-11-24 842 Sonoma Pitkin Marsh, near Forestville, northern half of Lower Marsh Comment
  SBBG36546  Wyethia angustifolia H. and M. Dearing 1933-5-14 2359 Sonoma Cloverdale Comment
  CAS-BOT-BC383262  Wyethia angustifolia Alice Eastwood; John Thomas Howell 1936-5-19 2505 Sonoma 11 miles n. of Santa Rosa Comment
  RSA51318  Wyethia glabra P. H. Raven 1950-4-6 1596 Sonoma Beyond Santa Rosa to Rincon Ridge. 183 Comment
  UCD136991  Wyethia glabra Frederica Bowcutt 1996-5-19 2130 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-BC383803  Xanthium strumarium F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  CAS-BOT-BC249271  Zannichellia palustris Peter Rubtzoff 1966-9-25 5830 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA276860  Zantedeschia aethiopica Peter Rubtzoff 1962-9-9 5077 Sonoma Brooks Gulch Marsh. Comment
  SEINET12047171  Zigadenus fremontii F. H. Utech 1978-1 78 -255 Sonoma Salt Point, coasta Range area 30 Comment
  SEINET12049779  Zigadenus fremontii F. H. Utech 1986-1 86 -111 Sonoma ca 5 mi NE on Cavedale Road from junction with CA 12 500 Comment
  SEINET12057582  Zigadenus fremontii F. H. Utech 1978-6-26 78 -255 Sonoma Salt Point, coasta Range area 30 Comment
  UC1084438  Zigadenus fremontii G. Thomas Robbins 1940-3-21 297 Sonoma Canyon e Chalk Hill Road (5-6 mi e of Windsor); slope of Barnes Creek 121 Comment



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