Search Results — 2000 specimen records retrieved (1249 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
  UCR198015  Abronia latifolia Chris Chan 1991-3-5 04 Sonoma University of California Bodega Marine Lab 34 Comment
  CAS-BOT-BC383910  Abronia latifolia Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma About 2.30 north of Bay Highway 1 near mouth of Salmon River 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
  UCD117006  Acer macrophyllum Jennifer Bury; Peggy Herzog 1993-5-8 290 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 0.75 mile. On Bald Mountain Trail. 426 Comment
  CAS-BOT-BC30076  Achillea millefolium John Thomas Howell 1945-8-14 21396 Sonoma Perry Marsh Comment
  CAS-BOT-BC29164  Achyrachaena mollis Alice Eastwood 1921-4-24 10354 Sonoma Santa Rosa Comment
  CAS-BOT-BC29166  Achyrachaena mollis F. Almeda; G. DeNevers 1981-4-28 4913 Sonoma Pepperwood Ranch, vicinity of Bechtel Cabin Comment
  NY380619  Acmispon aestivalis A. A. Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  SBBG84015  Acmispon brachycarpus L. F. LaPre 1986-5-31 Sonoma Socrates Mine, ca. 9 mi ENE of Geyerville 914 Comment
  UCD35507  Acmispon cytisoides Beecher Crampton 1957-7-22 4395 Sonoma Along State Hwy. 1, 0.25 mile north of Fort Ross. Comment
  UCD104299  Acmispon parviflorus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-6 135 Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD104330  Acmispon parviflorus Helen K. Sharsmith 1963-5-25 5475 Sonoma Road from Freestone to Occidental. 121 Comment
  UC635414  Actaea rubra H. L. Mason 1928-7-11 4891 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC391713  Actaea rubra Mrs. E. C. Sutliffe 1928-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC139922  Adenostoma fasciculatum Walter Knight; Irja Knight 1963-12-27 462 Sonoma Summit, Pine Flat Rd. Comment
  UC903198  Adiantum aleuticum Ethel Crum 1930-7-27 823 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  UCD162160  Adiantum aleuticum D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1514 Sonoma Hooker Creek watershed. 480 Comment
  SJSU2057  Adiantum capillus-veneris A. Bascom 1958-5-16 Sonoma Crane Valley Rd 16 mi SE of Santa Rosa Comment
  CAS-BOT-BC65685  Adiantum jordanii Walter Knight; Irja Knight 1964-2-16 524 Sonoma Mill Creek Road Comment
  CAS-BOT-BC65687  Adiantum jordanii Mary P. Wells 1984-7-20 376 Sonoma The Hot Spot, The Sea Ranch Comment
  UCD137241  Adiantum jordanii C. Wistrom 1996-5-26 36 Sonoma Healdsburg. 1735 Dry Creek Road. 48 Comment
  UCD136639  Aesculus californica Frederica Bowcutt 1997-7-18 2175 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  UCSC005106  Aesculus californica Lulu Waks 2006-10-15 16 Sonoma Bloomfield, Bloomfield Rd. to Sutton St. Private residence on Sutton St. Comment
  SEINET4853892  Agastache glaucifolia A. A. Heller 1902-6-28 5792 Sonoma Between Knight's Valley & Mark West Springs. Comment
  POM64094  Agastache urticifolia A. A. Heller 1902-5-28 5792 Sonoma Between Knight s Valley and Mark West Springs. Comment
  UCD128432  Agoseris apargioides Gerry North 1993-3 53 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.25 miles NE of parking lot/pinic area on Bald Mtn. 411 Comment
  CAS-BOT-BC15398  Agoseris grandiflora var. grandiflora G. DeNevers 1981-4-30 900 Sonoma Near the Studio. Also in Pippindale Garden, Pepperwood Ranch Comment
  JEPS128199  Agoseris heterophylla Roger Raiche 2000-5-4 069 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC13167  Agoseris hirsuta John Thomas Howell 1930-6-8 5268 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC210002  Agrostis Peter Rubtzoff 1964-8-20 5461 Sonoma Americano Creek area, along Petaluma-Valley Ford road near Bloomfield Comment
  CAS-BOT-BC210006  Agrostis Peter Rubtzoff 1964-7-29 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC331480  Agrostis Peter Rubtzoff 1970-9-3 6377 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek Crossing. Comment
  CAS-BOT-BC361409  Agrostis Greg de Nevers 1997-5-8 11993 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. On Oak Hill Ranch burned area 457 Comment
  UC37003  Agrostis H. N. Bolander 1860-1 6456 Sonoma Cloverdale Comment
  UCD151135  Agrostis James A. Neilson Jr. 1973-6-6 2986 Sonoma Mayacmas Mountains. The Geysers. Site A. (Elevation estimated using Google Earth by label maker.) 441 Comment
  UCD163998  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  UCD166325  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UCD51839  Agrostis blasdalei Beecher Crampton 1957-7-22 4390 Sonoma above Stillwater Cove, State Hwy. 1, 11.1 miles south Stewart's Point. Comment
  CAS-BOT-BC127485  Agrostis capillaris D. E. Breedlove 1980-6-28 44790 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  UCD51885  Agrostis densiflora Beecher Crampton 1957-7-22 4367 Sonoma 0.3 mile south of Stewart's Point, above Fisherman's Bay. Comment
  UCD51886  Agrostis densiflora Beecher Crampton 1957-7-11 4336 Sonoma Sonoma Coast State Park, 1.7 miles north of Salmon Creek. Comment
  CAS-BOT-BC126975  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa. Comment
  UCD161760  Agrostis exarata James A. Neilson Jr. 1975-7-8 3393 Sonoma Mayacmas Mountains; western portion of Geyser Rock.(Coordinates and elevation estimated by label maker.) 1066 Comment
  UCD52413  Agrostis exarata Freed W. Hoffman 1944-5-30 2014 Sonoma Russian River, Guernewood Park. Comment
  SEINET7593690 Image available Agrostis exarata A. S. Hitchcock 1908-1 2690 Sonoma Willits Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD52239  Agrostis exarata var. pacifica Beecher Crampton 1955-7-15 2915 Sonoma 6 miles west of Forest Hill. Comment
  UC1146695  Agrostis hallii Freed W. Hoffman 1941-6-20 2093 Sonoma near Camp Meeker (Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UC126593  Agrostis hallii F. T. Bioletti Jun 1893 Sonoma Hood's Peak Comment
  UCD52692  Agrostis hallii Freed W. Hoffman 1941-6-20 2093 Sonoma near Camp Meeker, Oregon Canyon. Comment
  UC1011026  Agrostis microphylla Virginia Bufford 1936-5-20 342 Sonoma Kellogg Mark West Road 3 mi from Mark West Comment
  UC1146631  Agrostis microphylla Freed W. Hoffman 1944-5-30 2013 Sonoma sand banks Russian River (Guernewood Park); North Coast Ranges, , Guernewood Park Comment
  UCD33495  Agrostis microphylla Beecher Crampton 1969-7-14 8494 Sonoma Sonoma County, The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD53051  Agrostis microphylla Freed W. Hoffman 1944-5-30 2013 Sonoma Russian River, Guernewood Park. Comment
  HSC100967  Agrostis microphylla Peter Warner, Sarah Gordon 2011-5-27 206 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 53 Comment
  SEINET197664  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Sulfur Creek Geysers: grassy hills above Comment
  CAS-BOT-BC138917  Agrostis pallens G. DeNevers 1981-6-15 1519 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. Comment
  CAS-BOT-BC138924  Agrostis pallens 1947-5-30 11774 Sonoma 2 miles northeast of Occidental along Harrison Grade. Comment
  CAS-BOT-BC138925  Agrostis pallens G. DeNevers 1981-6-18 1574 Sonoma Pepperwood Ranch. In Hansel's grazed Oak Woodland. Comment
  CDA31307  Agrostis pallens D. G. Kelch, Ed Biffin 2010-5-3 10 .214 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SEINET7594124 Image available Agrostis perennans A. A. Beetle 1941-1 2855 Sonoma 5 miles south of Steward Point 24 Comment
  CDA28145  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Coast; 5 miles south of Stewart s ( Steward ) Point Comment
  UC790981  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma 5 mi s Steward Point Comment
  RSA129082  Aira caryophyllea H. S. Yates 1934-4-21 3822 Sonoma Near Duncan Mills. Comment
  CAS-BOT-BC138214  Aira caryophyllea var. caryophyllea John H. Thomas 1966-5-8 11604 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  UC905117  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch; Hood Mt. 213 Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  CAS-BOT-BC445337  Alisma lanceolatum Peter Rubtzoff 1961-6-17 4626 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445459  Alisma triviale John Thomas Howell 1947-6-26 23310 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC445471  Alisma triviale Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  SEINET5502059 Image available Allium dichlamydeum Sally Walker 1982-1 s.n. Sonoma Duncans landing Comment
  CAS-BOT-BC472797  Allium neapolitanum Nina Boyle 1941-3-1 s.n. Sonoma Rio Nido Comment
  CDA2730  Allium vineale J. T. Howell 1976-6-2 51809 Sonoma At Sonoma Joe s, Petaluma. 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-BC251207  Alnus rhombifolia Peter Rubtzoff 1960-6-11 4504 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC251211  Alnus rhombifolia Peter Rubtzoff 1960-9-14 4550 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  SEINET12031413  Alnus rhombifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -256 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC169364  Alnus rubra Peter Rubtzoff 1959-9-12 4261 Sonoma Willows Creek Marsh, growing along Willow Creek Comment
  CAS-BOT-BC169365  Alnus rubra Peter Rubtzoff 1959-6-13 4135 Sonoma Willows Creek Marsh, growing along Willow Creek Comment
  CAS-BOT-BC138042  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1957-5-11 3332 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC138046  Alopecurus aequalis var. sonomensis John Thomas Howell 1947-6-5 23229 Sonoma Cunningham Marsh. Comment
  RSA799979  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 mi west of Bloomfield. Comment
  RSA126163  Amaranthus hybridus J. T. Howell 1946-8-17 s.n. Sonoma Cunningham Comment
  CAS-BOT-BC44965  Ambrosia chamissonis Joanne Taylor 1941-7-13 8 Sonoma Bodega Head 30 Comment
  CAS-BOT-BC44967  Ambrosia chamissonis Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  UCD128773  Ambrosia chamissonis Michael Fleschner 1965-5-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay. Comment
  CAS-BOT-BC55542  Ambrosia psilostachya Peter Rubtzoff 1951-9-15 762 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC135666  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero Comment
  CAS-BOT-BC154126  Ammannia Peter Rubtzoff 1973-8-27 7272 Sonoma Upper Green Valley Marsh area. Comment
  RSA790996  Ammannia Peter Rubtzoff 1972-8-26 6860 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC154122  Ammannia coccinea Peter Rubtzoff 1958-9-27 4005 Sonoma Laguna de Santa Rosa, northwest of Graton (0.5 mi. N of Guerneville Road.) Comment
  CAS-BOT-BC157697  Ammannia coccinea Peter Rubtzoff 1963-8-24 5238 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  SEINET3917971  Ammophila arenaria K. Thorne 1984-11-21 3659 Sonoma Sea Ranch, 2.5 mi S of Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  CAS-BOT-BC177235  Amorpha californica var. napensis H. E. McMinn 1922-6-7 184 Sonoma Near Summit of grade out of Monte Rio to Guerneville Comment
  CAS-BOT-BC177227  Amorpha californica var. napensis Michener; Bioletti 1893-5-1 s.n. Sonoma Nun's [Canon] Canyon Comment
  CAS-BOT-BC26885  Amsinckia acuticarpa Alice Eastwood 1921-4-24 10344 Sonoma Santa Rosa Comment
  UCD35298  Amsinckia intermedia Beecher Crampton 1955-4-5 2423 Sonoma Along State Highways 37, 12, about 3 miles east of Schellville. Comment
  POM64472  Amsinckia spectabilis A. A. Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  SD41402  Amsinckia spectabilis Edith A. Purer 1932-7-21 Sonoma Bodega Bay Comment
  RSA0091285  Amsinckia spectabilis Peter Kamb, Ray 1952-5-30 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head. 30 Comment
  SEINET12337128  Amsinckia spectabilis C. Best, Irja, W.; Knight, T. 1991-1 6601 Sonoma Bodega Marine Preserve Comment
  UCD56056  Andropogon glomeratus Walter Knight; Irja Knight 1968-1-1 2265 Sonoma on Sulphur Creek, Geysers Resort. Comment
  UC1011024  Andropogon glomeratus var. pumilus Milo S. Baker Apr 1936 251 Sonoma Sonoma Co. Geysers Comment
  CAS-BOT-BC137786  Andropogon virginicus var. virginicus Peter Rubtzoff 1951-9-15 754 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. Comment
  CAS-BOT-BC221434  Angelica hendersonii David D. Keck; J. Clausen 1935-7-15 3373 Sonoma 1 mi. north of Salmon Creek Comment
  CAS-BOT-BC271438  Anisocarpus madioides C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  UC89524  Anisocarpus madioides T. S. Brandegee 1892-7-1 Sonoma Fort Ross Comment
Read comments
Dec 13 2015
  CAS-BOT-BC271443  Anisocarpus madioides John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54015 Sonoma Fairfield Osborn Preserve of teh Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC173528  Anthemis cotula Peter Rubtzoff 1970-8-19 6327 Sonoma Austin Creek beach, 3.5 miles south of 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
  RSA63618  Anthoxanthum aristatum Leo Koch 1940-4-12 841 Sonoma Damp meadow north of Windsor on East side of Hwy 101. Comment
  UC978118  Anthoxanthum aristatum L. Beane and Lois E. James 1949-5-11 1942 Sonoma about halfway between Healdsburg and Windsor Comment
  SEINET7296733 Image available Anthoxanthum aristatum Leo Koch 1940-1 841 Sonoma along Highway 101, north of Windsor. Comment
  UC1011019  Anthoxanthum odoratum Virginia Bufford 1936-5-1 178 Sonoma 2 mi above Duncan's Mill Comment
  UC576279  Anthoxanthum odoratum H. S. Yates 1937-6-6 6583 Sonoma 1 mi e of Duncan Mills 91 Comment
  HSC21459  Anthriscus caucalis James Faro 1962-4-17 32 Sonoma W end of Bodega Bay, N end Comment
  CAS-BOT-BC248902  Antirrhinum virga Roger Raiche 1985-6-30 RR 50574 Sonoma Unnamed ridge on west side of Dry Creek Valley north of Crane Creek and south of Bradford Mt., at headwaters of Grape Creek 304 Comment
  CAS-BOT-BC457591  Aphanes occidentalis G. DeNevers 1981-4-23 796 Sonoma Pepperwood Ranch, Pippindale Farm, Pippindale Garden. Comment
  RSA0077989  Apiaceae B. A. Stein 1981-3-7 449 Sonoma Harrison Grade Rd. 243 Comment
  CAS-BOT-BC361282  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  SEINET7067343  Apocynum cannabinum A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles east of Windsor on Porter Creek Road. Coordinate datum: NAD27. UTM Zone 10, 526145mE, 4266921mN. Comment
  UC725679  Aquilegia formosa A. A. Heller 1940-5-10 15601 Sonoma near Fort Ross Comment
  CAS-BOT-BC171610  Aralia californica Dorothy Scherer 1997-5-6 098 Sonoma Fort Ross Cr, halfway between Hwy. One and ocean, Fort Ross State Historic Park 7 Comment
  SEINET5730634 Image available Arbutus menziesii Janet McIntosh 1966-1 23 Sonoma 2 miles north of Guerneville.; Guerneville 30 Comment
  UC1076469  Arceuthobium campylopodum H. L. Mason 1928-4-8 4285 Sonoma Fort Rosa Comment
  CAS-BOT-BC56911  Arctostaphylos John Thomas Howell 1934-3-3 11747 Sonoma Between Fort Ross and Stewart's Point Comment
  RSA629212  Arctostaphylos Jon E. Keeley 1993-9-11 24778 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629225  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388334  Arctostaphylos Freed W. Hoffman 1947-2-25 768 Sonoma near Guerneville (headwaters of creek); North Coast Ranges, Fife Creek, Del Preti Hill Comment
  RSA0077990  Arctostaphylos B. A. Stein 1981-3-7 446 Sonoma Vine Hill Rd., 1/2 mile S of Vine Hill School Rd. Comment
  CAS-BOT-BC24082  Arctostaphylos bakeri Lewis S. Rose 1971-4-30 71024 Sonoma 2 mi. E of Occidental 182 Comment
  CAS-BOT-BC24085  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  CAS-BOT-BC24087  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10954 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC25320  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10956 Sonoma Serpentine ridge, 2 miles E of Occidental Comment
  OBI14769  Arctostaphylos bakeri Robert F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  UC1120877  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 707 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC1120879  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1559 Sonoma 1/4 mi w Trenton; Sebastopol Quadrangle Comment
  UC1614278  Arctostaphylos bakeri Charles M. Belshaw 1936-3-7 1552 Sonoma 1 mi ne of Occidental Comment
  RSA622707  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24695 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622709  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24707 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622720  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24758 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET11991947  Arctostaphylos canescens W. Knight, Knight, I. 1984-1 5062 Sonoma Alta Vista Lane, Rincon Ridge, Santa Rosa Comment
  UCSB4717  Arctostaphylos canescens Keator, Glenn 1959-4-2 Sonoma Mt. St. Helena, 9.1 miles north of Calistoga 762 Comment
  CDA10853  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Stebbins 1994-4-8 11729 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  POM209916  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 10 Sonoma Vine Hill region west of Santa Rosa. Comment
  CAS-BOT-BC23851  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5761 Sonoma Rincon Ridge, near Santa Rosa Comment
  CAS-BOT-BC23893  Arctostaphylos canescens subsp. sonomensis Walter Knight; Irja Knight 1963-11-21 423 Sonoma Rincon Ridge - Sones' Backyard. Comment
  SEINET11989213  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I. 1982-1 4669 Sonoma Tilden Botanic Garden, Berkeley, originally from Sones property on Rincon Ridge, Montecito Ave near Comment
  UC571193  Arctostaphylos columbiana H. L. Mason 1928-4-8 4280 Sonoma Fort Ross Comment
  CAS-BOT-BC23648  Arctostaphylos columbiana Mary P. Wells 1985-10-4 668 Sonoma 1 mile south of Gualala River. Comment
  JEPS83500  Arctostaphylos densiflora Jack and Betty Guggolz 1986-2-22 848 Sonoma above extrapolated (Spanish land grant) (n side of Vine Hill School Rd); Cal. Native Plant Soc. reserve Comment
  OBI14750  Arctostaphylos densiflora H. E. McMinn 1936-4-5 4412 Sonoma Just W of Vine HIll School, 16 mi W of Santa Rosa Comment
  UC1120152  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 830 Sonoma Vine Hill Sebastapol Quadrangle Comment
  UCD50799  Arctostaphylos densiflora Roman Gankin; W. R. Hidlreth 1967-10-3 1070 Sonoma Along Vine Hill School Road, ca. 1/2 mile east of Vine Hill Road. Comment
  UCSB23053  Arctostaphylos densiflora McMinn, Howard 1936-4-5 Sonoma Just west of Vine Hill School, 16 miles west of Santa Rosa Comment
  CAS-BOT-BC24676  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma 5 mi. n. of Cazadero. Comment
  JEPS79449  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-7 2197 Sonoma s ridge Bohemian Grove Comment
  UC1281370  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1936-4-4 4384 Sonoma R. L. Stevenson Monument Mt. St. Helena Comment
  UCSB24400  Arctostaphylos hispidula McMinn, H. 1936-4-5 Sonoma Two miles east of Occidental Comment
  CAS-BOT-BC38991  Arctostaphylos manzanita Roger Raiche 1983-7-10 30491 M Sonoma East Austin Creek State Rec. Area, Near fire road near confluence of Gilliam Creek and Schoolhouse Creek. 121 Comment
  CDA11186  Arctostaphylos manzanita G. F. Hrusa 1989-1-2 5803 Sonoma North Coast Biodiversity Arena; NW side of Mt. St. Helena near summit of Chalk Mtn. off Ida Clayton Rd. Comment
  CDA37441  Arctostaphylos manzanita D. G. Kelch, T. McGregor 2010-8-22 10 .342 Sonoma Geyser Peak Rd. Comment
  LA42191  Arctostaphylos manzanita H. F. Copeland; 1933-3-18 A 9 Sonoma Mt Hood, Residence of M. S. Baker, at W base Comment
  UCD52043  Arctostaphylos manzanita Daryl Koutnik; Mary Barbercheck 1981-6-18 s.n. Sonoma Austin Creek State Recreation Area about 4 miles north of Guerneville. 487 Comment
  UCD52069  Arctostaphylos manzanita B. Crampton 1955-6-17 2978 Sonoma 2.4 miles south of Monte Rio. Comment
  RSA202113  Arctostaphylos manzanita Freed W. Hoffman 768 Sonoma Del Preti Hill, headwaters of Fife Creek, near Guerneville. Comment
  SEINET11993337  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch 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-BC38922  Arctostaphylos manzanita subsp. glaucescens P. V. Wells; Walter Knight; Irja Knight 1986-1-10 5223 Sonoma Next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC38651  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10949 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC38677  Arctostaphylos manzanita subsp. manzanita Stephen W. Edwards; Roger Raiche; Walter Knight; Irja Knight 1983-7-3 4751 Sonoma The Cedars, on serpentinite, near Cazadero. 274 Comment
  CAS-BOT-BC38680  Arctostaphylos manzanita subsp. manzanita Roger Raiche 1983-7-31 30585 Sonoma Austin Creek State Recreation Area, North slope Morrison Ridge, above Thompson Creek. 274 Comment
  CAS-BOT-BC38691  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Dry, open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38712  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  CAS-BOT-BC38717  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-3-9 3899 a Sonoma Vine Hill district on Frei Bros. Ranch Comment
  CAS-BOT-BC38724  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1928-4-18 2961 Sonoma Vine Hill Region 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
  RSA44376  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1949-3-27 49016 Sonoma East of Beltane. 114 Comment
  CAS-BOT-BC38693  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Jacob Sigg 1981-3-11 4158 Sonoma From Strybing Arboretum, Golden Gate Park, San Francisco, #68-88, via Univ. of Cal. Davis, their #67.718. Comment
  CAS-BOT-BC38715  Arctostaphylos manzanita subsp. manzanita Gary D. Wallace 1974-12-23 1348 Sonoma NE of Occidental 2 mi on Grafton Rd. 152 Comment
  RSA96694  Arctostaphylos manzanita subsp. manzanita P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20375 Sonoma 3.9 mi. s. of lake-Sonoma Co. line on n.w. slopes Mt. St. Helena. 640 Comment
  POM209914  Arctostaphylos patula H. F. Copeland 1932-3-18 A- 4 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  SBBG28819  Arctostaphylos patula H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, N of Santa Rosa Comment
  CAS-BOT-BC47348  Arctostaphylos stanfordiana R. F. Hoover 1963-1-12 8547 Sonoma Cavedale Rd., Hoods Peak Range. Comment
  UC583389  Arctostaphylos stanfordiana Elmer I. Applegate 1924-3-25 8858 Sonoma Pine Flat region Mayacama Mountains (w slope of mts) Comment
  UC876545  Arctostaphylos stanfordiana Milo S. Baker 1933-3-18 7333 Sonoma 2 mi ne Santa Rosa; Rincon Ridge Comment
  SEINET11989086  Arctostaphylos stanfordiana Unknown 1982-1 20301 D Sonoma King Ridge Rd (4.5 mi N of jct Ft Ross Rd) about 0.7 mi in from King Ridge Rd on Old Layton Mine Rd Comment
  JEPS95237  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  RSA517038  Arctostaphylos stanfordiana subsp. stanfordiana Jack Guggolz, Betty Guggolz 1986-2-9 844 Sonoma North of Guerneville Road and west of Frei Road. Comment
  RSA339402  Arctostaphylos stanfordiana var. repens Roger Raiche 1985-11-23 50895 Sonoma W side of Dry Cr Valley, Bradford Mt 371 Comment
  SD88565  Arctostaphylos viscida Darley F. Howe 1972-2-20 4805 Sonoma Trinity Road, Mt. Hood Range. Comment
  SDSU2845  Arctostaphylos viscida D. F. Howe 1972-2-20 4805 Sonoma Trinity Road, Mt. Mood Range. Note: Label states 5,800 feet altitude, beyond maximum for county, changed to 2,800 feet. 878 Comment
  UCD52206  Arctostaphylos viscida Freed W. Hoffman 1947-2-28 762 Sonoma Near Guerneville, Sonoma County. Comment
  UCD52617  Arctostaphylos viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma Comment
  UC101569  Arctostaphylos viscida subsp. pulchella Alice Eastwood 1900-2-22 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC400483  Aristolochia californica A. A. Heller; H. E. Brown 1902-3-12 5042 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  SEINET11262973  Aristolochia californica James Faro 1962-4-22 5 Sonoma South side of Lake Ralphine in Santa Rosa.; 0 Comment
  UCD98503  Armeria maritima subsp. californica Ross Swenerton 1966-4-16 22 Sonoma On hill overlooking ocean, Duncan's Landing. 15 Comment
  SD147975  Armeria maritima subsp. californica L. Coats 1983-5-17 25 Sonoma Along Highway 1, 4.3 miles north of Salt Point State Park. 21 Comment
  JEPS35855  Arnica discoidea M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Guerneville and Monte Rio Russian River Comment
  CAS-BOT-BC172578  Artemisia Peter Rubtzoff 1970-9-3 6371 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA791570  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh area. Comment
  RSA94406  Artemisia douglasiana F. W. Peirson 1925-8-8 6342 Sonoma Roadside 6 miles south of Santa Rosa Comment
  CAS-BOT-BC90863  Artemisia pycnocephala D. E. Breedlove 1961-12-31 1438 Sonoma Sand dunes at mouth of Russian River 3 Comment
  SEINET258297  Artemisia suksdorfii Leila M. Shultz 1986-9-20 10234 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  UCD137840  Asarum caudatum Walter Russell 1947-3-5 19 Sonoma near Sebastopol. Comment
  JEPS49956  Asclepias fascicularis W. L. Jepson 1921-9-12 9487 Sonoma Alexander Valley 45 Comment
  JEPS15217  Asclepias solanoana Rimo Bacigalupi with G. T. Robbins and Freed Hoffman 1956-5-30 5662 Sonoma near Layton Chromite Mine (headwaters of creek, vicinity of The Cedars); Big Austin Creek 266 Comment
  CAS-BOT-BC68782  Aspidotis densa Donald Branscomb; Harry K. Roberts 1958-6-14 s.n. Sonoma Serpentine hills near Guerneville Comment
  CAS-BOT-BC68785  Aspidotis densa Catherine Best 1983-4-16 s.n. Sonoma On serpentine on the Bohemian Hwy. about 3 miles north of Occidental. Comment
  UCR37731  Aster chilensis A. C. Sanders 1985-1-19 5368 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  CDA10240  Aster chilensis P. Robinson 1985-8-1 s.n. Sonoma Guerneville, Sweetwater Springs Road. Comment
  RSA39633  Aster chilensis Philip A. Munz 1947-10-10 12216 Sonoma 2 miles west of Duncan Mills Comment
  CDA31025  Aster radulinus D. G. Kelch, Troy McGregor 2010-8-22 10 .345 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC178663  Astragalus claranus John Thomas Howell 1931-4-19 6431 Sonoma Grassy meadow, 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa Comment
  CAS-BOT-BC186822  Astragalus gambelianus John Thomas Howell 1931-4-19 6433 Sonoma Spring Mountain Road, 7.5 miles from St. Helena Comment
  CAS-BOT-BC186826  Astragalus gambelianus G. DeNevers 1981-4-25 833 Sonoma Lower Pepperwood entrance Comment
  CAS-BOT-BC66152  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1962-7-14 4996 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC66155  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma northern half of Lower Marsh; Pitkin Marsh near Forestville Comment
  CAS-BOT-BC66157  Athyrium filix-femina var. cyclosorum John H. Thomas 1976-6-16 18291 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC17427  Athysanus pusillus Peter H. Raven 1950-4-6 1603 Sonoma Rincon Ridge. 304 Comment
  CHSC57353  Athysanus pusillus Shelly A. Kirn 1991-3-28 8 Sonoma Ca. 100 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  CAS-BOT-BC145718  Avena fatua Walter Knight; Irja Knight 1964-2-16 528 Sonoma Mill Creek Road. Comment
  CAS-BOT-BC154143  Baccharis douglasii Peter Rubtzoff 1955-9-24 2147 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC154152  Baccharis douglasii Peter Rubtzoff 1955-9-24 2148 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC98649  Baccharis douglasii J. W. Congdon 1880-8-2 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC98650  Baccharis douglasii Catherine Best 1983-10-12 904 Sonoma Growing along the creek near Occidental Road at the north edge of Occidental Comment
  SD39664  Baccharis pilularis Edith A. Purer 1932-7-21 Sonoma Bodega Bay. Comment
  CAS-BOT-BC99599  Baccharis pilularis Walter Knight; Irja Knight 1963-9-29 233 Sonoma On freeway fill 200 yds southbound from Lakeville highway Comment
  CAS-BOT-BC99784  Baccharis salicifolia Joseph P. Tracy 1932-5-8 9900 Sonoma Geyserville, along Russian River 152 Comment
  POM56589  Baccharis salicifolia Michener, Bioletti 1893-06 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC354311  Barbarea Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  RSA94330  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville; Forest south of the Upper Marsh. Comment
  UCD114264  Barbarea orthoceras Frederica Bowcutt; Kate Mawdsley 1996-3-24 2068 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 miles S of Red Mtn, just S of Sonoma Creek. 365 Comment
  SBBG57110  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, SE of Santa Rosa Comment
  UCD122100  Bellardia trixago P. B. Kennedy 1928-5-13 s.n. Sonoma On Napa-Sonoma Highway and counties. Comment
  CAS-BOT-BC106389  Bellis perennis L. R. Abrams 1920-7-3 7597 Sonoma Gualala River Comment
  CAS-BOT-BC75659  Berberis nervosa Walter Knight; Irja Knight 1963-11-22 426 Sonoma Ida Clayton Road not far from Lake county line. Comment
  CAS-BOT-BC102052  Bidens cernua Peter Rubtzoff 1951-9-15 760 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  CAS-BOT-BC164688  Bidens cernua Peter Rubtzoff; Nancy Harrison; Edward Lee; Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  UCR248951  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  SEINET5586468  Bidens laevis Peter Rubtzoff 1963-1 5299 Sonoma Pitkin Marsh, near Forestville. Comment
  SEINET7249073  Bidens laevis Peter Rubtzoff 1962-1 5130 Sonoma Pitkin Marsh, near Forestville. Comment
  RSA0008301  Blennosperma bakeri Milo S. Baker 1952-3-20 12401 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur. Comment
  RSA0008304  Blennosperma bakeri R. C. Bacigalupi, Ornduff, L. R. Heckard 1964-3-25 8924 Sonoma Along (east of) Arnold Dr., 0.7 miles north of its junction with Hwy 37, south of Sonoma Comment
  NY31012  Blennosperma californicum C. H. Michener 04 1893 6238 Sonoma Kenwood Comment
  CAS-BOT-BC154955  Boisduvalia Peter Rubtzoff 1971-6-30 6581 Sonoma Eastern foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive Comment
  CAS-BOT-BC154975  Boisduvalia densiflora Peter Rubtzoff 1962-7-6 4975 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC28177  Bolboschoenus fluviatilis Peter Rubtzoff 1961-9-20 4758 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road crossing. Comment
  CAS-BOT-BC322143  Bolboschoenus maritimus Peter Rubtzoff 1972-8-26 6859 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC31353  Bolboschoenus robustus Walter Knight; Irja Knight 1984-8-27 5082 Sonoma Gilardi's Resort near Lakeville in tidal area. 3 Comment
  UCR255646  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC145654  Brachypodium phoenicoides Mary P. Wells 1981-8-2 s.n. Sonoma Between end of Dune Drift and the sea near the hedgerow. The Sea Ranch. Comment
  CAS-BOT-BC36652  Brassica oleracea Mary P. Wells 1989-4-3 977 Sonoma Santa Rosa. Rincon Valley. Streamside of fence east of Friends House. Comment
  CAS-BOT-BC36708  Brassica rapa Mary P. Wells 1984-5-16 s.n. Sonoma Santa Rosa. Rincon Valley. Friends House grounds. Comment
  CAS-BOT-BC145476  Briza maxima G. DeNevers 1981-5-23 1316 Sonoma Pepperwood Ranch. Garrison Canyon L. Comment
  CAS-BOT-BC145485  Briza maxima David L. Morgan 1956-5-23 s.n. Sonoma Hill Road, 2 miles southwest of junction with Highway #1. 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-BC145284  Briza minor Peter Rubtzoff 1959-6-20 4156 Sonoma Willow Creek Marsh. Margin of Willow Creek. Comment
  SEINET11689513  Briza minor F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -245 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD150146  Brodiaea coronaria Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  SEINET6879014  Brodiaea coronaria A. G. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  UC843568  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  UCD161243  Brodiaea elegans subsp. elegans James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3707 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-BC486535  Brodiaea elegans subsp. elegans Peter Rubtzoff 1952-6-10 1226 Sonoma Top of Fitch Mountain, near Healdsburg 304 Comment
  SEINET7040126  Brodiaea pulchella A. G. Vestal 1962-4-12 Sonoma On Mark Springs Road, North of Santa Rosa, 6.4 miles northeast of Route 101. UTM Zone 10, 524439mE, 4265737mN. Comment
  CHSC20586  Brodiaea stellaris Robert A. Schlising; Glenn Keator 1965-5-22 2825 Sonoma About 1 mile east of Occidental, along Graton Road. Comment
  CAS-BOT-BC486527  Brodiaea stellaris Peter Rubtzoff 1957-5-26 3365 Sonoma Occidental Marsh Comment
  SEINET207371  Brodiaea stellaris Rimo Bacigalupi, G. T. Robbins; F. Hoffmann 1956-5-31 5675 Sonoma Along secondary road following Big Austin Creek at base of 'The Butcher Knife 183 Comment
  CAS-BOT-BC486468  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1941-6-7 s.n. Sonoma By a rocky wall. West of Bodega on highway 1. Comment
  CAS-BOT-BC486474  Brodiaea terrestris subsp. terrestris V. Penalosa 1961-5-24 1578 Sonoma Slope above Upper Stemple Creek Marsh Comment
  CAS-BOT-BC487728  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1962-6-1 4871 Sonoma Freestone Marsh Comment
  UCD57976  Bromus carinatus Beecher Crampton 1957-7-11 4303 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC149052  Bromus carinatus var. carinatus Peter Rubtzoff 1953-5-17 1379 Sonoma Vacation Beach, near Guerneville. Comment
  UC1155619  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3232 Sonoma Sebastopol Comment
  UC1155624  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3232 Sonoma Sebastopol Comment
  CAS-BOT-BC149085  Bromus carinatus var. carinatus David L. Morgan 1961-4-26 s.n. Sonoma Marshall - Petaluma road 2 miles west of junction of Wilson Hill Road. Comment
  CAS-BOT-BC148786  Bromus carinatus var. marginatus G. DeNevers 1981-6-6 1498 Sonoma Pepperwood Ranch. South slope of Telegraph Hill. Comment
  UCD151108  Bromus carinatus var. marginatus James A. Neilson Jr. 1974-6-1 3035 Sonoma Mayacmas Mountains, Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1066 Comment
  CAS-BOT-BC155899  Bromus catharticus var. elatus Peter Rubtzoff 1960-5-15 4317 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC422358  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh. Comment
  UCD58474  Bromus commutatus B. Crampton 1955-5-8 2820 Sonoma Hwy. 128. Alexander Valley. Comment
  CAS-BOT-BC155661  Bromus diandrus G. DeNevers 1981-4-8 672 Sonoma Pepperwood Ranch. Pippindale Farm. Cresta Stable. 3000 Mark West Springs Road. Comment
  CAS-BOT-BC155669  Bromus diandrus A. A. Heller 1902-4-17 5322 Sonoma Santa Rosa. Comment
  RSA789052  Bromus diandrus Carrie A. Herd 1982-5-4 86 Sonoma Rohnert Park, C.S.U, Sonoma. between dorms and Rancho Cotati High School. Comment
  UCD58587  Bromus diandrus Chris Bowen 1974-5-18 s.n. Sonoma Unit 24 Owner's Map. Sea Ranch, near State Highway 1. Comment
  SEINET4391007  Bromus diandrus Unknown 1999-4-19 s.n. Sonoma Bodega Bay Highway Comment
  CAS-BOT-BC155207  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  CAS-BOT-BC155211  Bromus hordeaceus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53969 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UCD38532  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti, Italian Swiss Colony Winery. Comment
  CAS-BOT-BC162390  Bromus laevipes Peter Rubtzoff 1952-6-3 1146 Sonoma South slopes of Fitch Mountain, near Healdsburg. Comment
  CDA366  Bromus laevipes D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .27 Sonoma Cavedale Rd. Comment
  JEPS128385  Bromus laevipes Roger Raiche 2000-5-4 064 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD58951  Bromus laevipes Gerry North 1993-4 20 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Second pullout on right after park entrance. 0.3 miles from Goodspeed trailhead. 50 m south of Pony Gate Gulch Creek crossing. 274 Comment
  SBBG26403  Bromus laevipes B. Crampton 1965-6-30 Sonoma summit of Vaca Mts, near county line 872 Comment
  UCD36300  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma Sonoma County, 10 miles west of Calistoga, on Highway 128. Comment
  UCD58929  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma 10 miles west of Calistoga. Hwy. 128. Comment
  UCD58963  Bromus madritensis R. Tofsrud 1949-4-1 s.n. Sonoma Road to 'Top O World.' N of Sonoma. Comment
  SEINET10524463  Bromus marginatus A. Arthur Heller 1902-4-9 Heller 5247 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC185376  Bromus vulgaris Roxana S. Ferris; Laura Lorraine 1961-6-14 13536 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  UCD60255  Bromus vulgaris Mary M. Hektner 1976-5-6 262 Sonoma Unit 34-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC233704  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  CAS-BOT-BC36918  Cakile maritima var. maritima Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma About 2.2 miles north of Bay near mouth of Salmon River. Comment
  CAS-BOT-BC368031  Calamagrostis bolanderi Greg de Nevers 1998-6-15 11287 Sonoma CYO Camp on Bohemian Highway. Comment
  UCD57517  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 4012 Sonoma 10 miles north of Fort Ross. Comment
  UCD57526  Calamagrostis nutkaensis Beecher Crampton 1957-7-22 4384 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCR19364  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma North Coast, Jenner, slopes above sea bluffs 61 Comment
  CAS-BOT-BC185131  Calamagrostis nutkaensis Mary P. Wells 1982-8-21 128 Sonoma South Gerstle Cove, Salt Point State Park. Comment
  CAS-BOT-BC438603  Calandrinia ciliata Peter Rubtzoff 1960-5-18 4361 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC273239  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma Along an overflow channel West side of Sonoma Cr. a mile or so south of El Verano Comment
  UCSB22467  Calendula arvensis McCarthy, Sharon 1965-4-17 Sonoma Sonoma, California 25 Comment
  RSA0015565  Callitriche heterophylla Peter Rubtzoff 1971-5-8 6450 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  UC17873  Callitriche heterophylla var. bolanderi F. T. Bioletti Apr 1893 Sonoma Kenwood Comment
  CAS-BOT-BC293754  Callitriche palustris Peter Rubtzoff 1971-6-26 6572 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC293755  Callitriche palustris Peter Rubtzoff 1974-4-6 7351 Sonoma Kenwood Marsh. Comment
  UC17852  Callitriche trochlearis J. Burtt Davy 1896-3-14 1665 Sonoma Cazadero 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
  UC119765  Calochortus amabilis Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  CAS-BOT-BC483275  Calochortus amabilis F. F. Wood 1918-4-25 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC483282  Calochortus amabilis Roxana S. Ferris; Laura Lorraine 1961-6-15 13551 Sonoma Harrison Grade Road, 0.3 mile from junction with Green Valley Road Comment
  CAS-BOT-BC483286  Calochortus amabilis D. E. Breedlove 1980-6-27 44757 Sonoma Pepper wood Ranch west of Knights Valley Comment
  SEINET12051460  Calochortus amabilis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -249 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC492632  Calochortus luteus D. E. Breedlove 1980-6-28 44808 Sonoma Pepperwood Ranch W of Knights Valley Comment
  NY319591  Calochortus raichei R. Raiche 1986-7-7 60214 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  RSA0000330  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  CAS-BOT-BC132635  Calochortus uniflorus Alice Eastwood 1921-4-24 10336 Sonoma Santa Rosa Comment
  UC672142  Calochortus uniflorus Herbert L. Mason 1928-4-13 4327 Sonoma near Petaluma Comment
  UC894254  Calycadenia multiglandulosa Milo S. Baker 1931-7-9 5344 Sonoma s of The Petrified Forest Comment
  UC615100  Calycadenia pauciflora Beryl O. Schreiber 1934-5-16 1127 Sonoma Healdsburg, Fitch Mountain Road Comment
  CAS-BOT-BC272760  Calycadenia truncata subsp. truncata Milo S. Baker 1933-9-11 7557 Sonoma Between Calistoga, Napa County, and Redwood Highway Comment
  CAS-BOT-BC90992  Calycanthus occidentalis Peter Rubtzoff 1974-6-2 7529 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC90995  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  CAS-BOT-BC90997  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  CAS-BOT-BC91008  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mile east of junction with Harrison Grade Road. Comment
  CAS-BOT-BC91013  Calycanthus occidentalis F. G. Krauss 1893-11-1 s.n. Sonoma Kronos Ranch in Kronos Canyon. Comment
  POM149134  Calycanthus occidentalis Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  RSA271933  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  UCD137800  Calycanthus occidentalis K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  RSA0059767  Calystegia D. F. Howe 1969-5-28 s.n. Sonoma 13.5 miles north of Jenner on Highway 1. Comment
  JEPS88967  Calystegia collina subsp. collina Jack and Betty Guggolz 1988-6-13 945 Sonoma Pine Flat Road 9.2 mi from its junction with Highway 128; Comment
  JEPS87233  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1271 Sonoma Found on the north side of White Rock, 1 3/4 miles north of Jimtown 304 Comment
  SEINET6968877  Calystegia fulcrata subsp. malacophylla A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  CAS-BOT-BC215788  Calystegia macrostegia subsp. intermedia Greg de Nevers 1993-5-30 10458 Sonoma 3450 Franz Valley Road, Pepperwood Ranch Natural Preserve 457 Comment
  UCR255740  Calystegia purpurata subsp. purpurata Greg de Nevers 1993-5-9 10440 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC224738  Calystegia purpurata subsp. saxicola Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC224743  Calystegia purpurata subsp. saxicola Mary P. Wells 1981-7-2 s.n. Sonoma On road between Black Point and the Sea Ranch Lodge Comment
  POM203257  Calystegia soldanella J. T. Howell 1931-4-18 6419 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay. Comment
  CAS-BOT-BC498783  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  JEPS61558  Camassia quamash subsp. quamash Eleanor Armstrong 1933-4-1 656 Sonoma near Occidental Comment
  RSA799989  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma 4.25 mi. W. of Glen Ellen on Bennett Valley road. Comment
  RSA186553  Camissonia ovata Peter H. Raven 1963-4-28 18250 Sonoma Town of Bodega Bay Comment
  SEINET7075564  Camissonia ovata A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  HSC16508  Camissonia ovata James Faro 1962-4-14 9 Sonoma Salt Point Ranch, about 5 mi. N of Fort Ross Comment
  SBBG21139  Camissoniopsis cheiranthifolia subsp. cheiranthifolia V. Haraden 1941-7-13 1 Sonoma Bodega Bay 30 Comment
  CAS-BOT-BC266425  Campanula californica Mrs. E. C. Sutcliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC266424  Campanula californica John Thomas Howell 1945-8-14 21402 Sonoma Perry Marsh Comment
  SEINET10905991  Campanula californica Hektner 1974-8-27 HEKTNER 182 A Sonoma SEA RANCH, NR STATE HWY 1, UNIT 24 (OWNER"S MAP) ASSOC. IN WET CALAMAGROSTIS W RUBUS & DESCHAMPSIA Comment
  CAS-BOT-BC184127  Capsella bursa-pastoris Peter Rubtzoff 1960-6-25 4510 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  CAS-BOT-BC37769  Cardamine californica Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs. Comment
  UC909732  Cardamine californica Milo S. Baker 1950-4-1 12155 Sonoma w side Los Guilicos Valley (near location old R.R. tracks); w side Los Guilicos Valley Comment
  UCD167111  Cardamine californica James Neilson 1977-3-25 3849 Sonoma Mayacmas Mountains. Socrates Mine area. (Exact location unknown, coordinates estimated by label maker.) Comment
  RSA177957  Cardamine californica var. integrifolia R. F. Thorne 1965-4-20 34330 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  CDA36842  Cardamine hirsuta CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  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-BC38034  Cardamine oligosperma John Thomas Howell 1946-3-31 21589 Sonoma Sonoma. Comment
  CAS-BOT-BC38036  Cardamine oligosperma G. DeNevers 1981-3-30 583 Sonoma Pepperwood Ranch. At Garrison House. Comment
  UCD148424  Carduus Peter Rubtzoff 1960-5-15 4327 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC282948  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  UCD85586  Carduus pycnocephalus Gerry North 1993-4 43 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. South of Hillside trail, at fork by water tank. 426 Comment
  CAS-BOT-BC281770  Carduus pycnocephalus Gordon H. True 1968-7-5 4668 Sonoma Point Reyes Bird Observatory ca 3 miles NW of Bolinas at Arroyo Hondo. Conium plot between Arroyo Hondo and entrance road 60 Comment
  UCD85585  Carduus pycnocephalus Peta Lewis 1967-5-13 13 Sonoma ca. 2 miles east on River Road, 3 miles north of Guerneville. 22 Comment
  UCD159445  Carduus pycnocephalus subsp. pycnocephalus D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 202 Sonoma Near Sonoma state beach hiking trail. Abundant. 40 Comment
  CDA37138  Carduus tenuiflorus Chris Heintzelman 2012-4-13 PDR# 1596520 Sonoma East side of Sunset Rock in Goat Rock State Park, 2 miles south of Jenner. 0 Comment
  RSA74051  Carex Milo S. Baker 1947-6-26 11830 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  UCD140988  Carex Mary M. Hektner 1976-8-26 267 -A Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1. 150 yards from the ocean bluffs. Between Masthead Reach and Leeward Road. Comment
  UCR254736  Carex abrupta Peter Rubtzoff 1958-5-17 3658 Sonoma Laguna de Santa Rosa north of Sebastopol, near Occidental Road 18 Comment
  UCR255708  Carex abrupta Peter Rubtzoff 1957-5-4 3307 Sonoma Duncan Mills Marsh 2 Comment
  RSA0021493  Carex amplifolia Peter Rubtzoff 1975-7-12 8199 Sonoma Jordan Oark, 1.7 miles northwest of Cobb. Along Kelsey Creek Comment
  CAS-BOT-BC18136  Carex athrostachya John Thomas Howell; J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  UCD112443  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC329311  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma Kenwood Marsh. Comment
  UC1133324  Carex barbarae H. S. Yates 1936-5-16 5584 Sonoma 1 mi NE of Graton 30 Comment
  UCR249340  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh 71 Comment
  UCR249353  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road) 21 Comment
  CAS-BOT-BC19373  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  RSA295078  Carex barbarae Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4209 Sonoma Trenton Rd., by the Boriolo Ranch, just S of and paralleling River Rd., approx. halfway between Guerneville and Santa Rosa. (Near N part of Laguna de Santa Rosa). 15 Comment
  CAS-BOT-BC19566  Carex bolanderi John Thomas Howell 1930-7-27 5390 Sonoma 1 mile north of Fort Ross. Comment
  CHSC55604  Carex bolanderi James Jokerst 1985-4-26 2269 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC19564  Carex bolanderi J. W. Congdon 1880-6-14 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC110184  Carex buxbaumii John Thomas Howell 1945-7-18 21327 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC34422  Carex cusickii Peter Rubtzoff 1951-7-14 434 Sonoma Pitkin Marsh near Forestville. Southern half of Lower Marsh. Comment
  CAS-BOT-BC34425  Carex cusickii John Thomas Howell; J. W. Stacey 1936-7-26 12683 Sonoma Pitkin Marsh. 5 miles north of Sebastopol. Comment
  CAS-BOT-BC350936  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC18977  Carex densa John Thomas Howell 1938-7-3 13964 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC18991  Carex densa James D. Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC20484  Carex densa Peter Rubtzoff 1951-6-10 206 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC20486  Carex densa Peter Rubtzoff 1951-7-7 369 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh. Comment
  CAS-BOT-BC20512  Carex densa Peter Rubtzoff 1955-5-21 1860 Sonoma Sonoma County Marshes. Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  UC1133350  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi NE of Petrified Forest 304 Comment
  CAS-BOT-BC18975  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2500 A Sonoma Fulton. Comment
  CAS-BOT-BC20515  Carex densa Peter Rubtzoff 1976-5-30 8575 Sonoma Sonoma County Marshes. Kenwood Marsh. Comment
  CAS-BOT-BC20517  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  CAS-BOT-BC329291  Carex exsiccata Peter Rubtzoff 1954-7-4 1535 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  CAS-BOT-BC20135  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC20137  Carex feta Peter Rubtzoff 1952-1-1 1093 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  UC1147821  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  UC1026416  Carex gracilior Peter Rubtzoff 1951-6-16 12246 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  UCD112363  Carex gracilior Peter Rubtzoff 1954-7-5 1543 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC32474  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  RSA0022387  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Sonoma County: Freestone marsh Comment
  CAS-BOT-BC350928  Carex laevicaulis Peter Rubtzoff 1951-9-2 724 a Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC31432  Carex leptopoda R. F. Hoover 1941-5-14 5079 Sonoma 3 mi S of Monte Rio on road to Camp Meeker. Comment
  CAS-BOT-BC329277  Carex leptopoda Peter Rubtzoff 1964-6-24 5374 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC329299  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh. Comment
  JEPS63674  Carex nudata R. Kuhn 1913-4-18 Sonoma Sonoma Comment
  CAS-BOT-BC119318  Carex obnupta LeRoy Abrams 1920-7-3 7606 Sonoma Gualala River near Mendocino-Sonoma Co. Line. Comment
  CAS-BOT-BC119281  Carex ovalis Peter Rubtzoff 1952-5-10 1001 Sonoma Pitkin Marsh, near Forestville. Western Branch of the Upper Marsh. Comment
  CAS-BOT-BC119289  Carex ovalis John Thomas Howell 1938-7-3 13965 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC119250  Carex pachystachya Peter Rubtzoff 1951-6-7 112 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC118939  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  CAS-BOT-BC312706  Carex rostrata Peter Rubtzoff 1971-7-20 s.n. Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC331479  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville. Comment
  NY11335  Carex sonomensis T. J. Howell 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC117357  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13039 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC116930  Carex subbracteata Peter Rubtzoff 1960-5-16 4353 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC249294  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh Comment
  UCR248925  Carex subbracteata Peter Rubtzoff 1955-5-14 1842 Sonoma Austin Creek Marsh 15 Comment
  UCD112450  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC329288  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC115530  Carex tumulicola Alice Eastwood; John Thomas Howell 1936-5-19 2500 B Sonoma Fulton Comment
  UCD140940  Carex tumulicola Gerry North 1993-4 12 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. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  HSC33346  Carthamus creticus J. Shelgren, William J. Ferlatte 1973-7-11 1490 Sonoma SE of Santa Rosa Crane Canyon, 1 mile E of Petaluma Hill Rd. 52 Comment
  CDA7006  Carthamus leucocaulos G. D. Barbe, T. C. Fuller 1972-6-28 951 Sonoma Approximately 1 mile west of U.S. 101 freeway, Asti. 0 Comment
  UCD129937  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of Asti turn-off of the freeway, Hwy 101, Asti. Comment
  UCD129939  Carthamus leucocaulos P. F. Knowles 1969-9-23 18901 Sonoma 1 mile west of Asta. Comment
  JEPS19388  Castilleja affinis subsp. affinis G. Thomas Robbins 1940-3-24 309 Sonoma about 6 mi e Santa Rosa (on Rincon Grade); Rincon Grade 167 Comment
  JEPS57380  Castilleja affinis subsp. affinis L. R. Heckard and T. I. Chuang 1968-6-18 1951 Sonoma 5 mi e old Redwood Highway (on Mark West Springs road about 1 mi w of the lodge) 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
  JEPS128272  Castilleja applegatei subsp. martinii Roger Raiche 2000-4-7 019 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC76116  Castilleja densiflora subsp. densiflora Milo S. Baker 1898-4-23 623 Sonoma near Melita Comment
  SEINET12327823  Castilleja foliolosa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -078 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  CAS-BOT-BC243857  Castilleja latifolia John Thomas Howell 1934-3-3 11740 Sonoma Near Fort Ross Comment
  JEPS66231  Castilleja miniata subsp. miniata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6903 Sonoma about south-central Pitkin Marsh (near end of Templeton Road); , about south-central Comment
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Oct 15 2010
  SEINET10582686  Castilleja roseana Rimo Bacigalupi 1956-5-30 Bacigalupi 5667 Sonoma Along and just above creek-bed, headwaters of Big Austin Creek, vicinity of "The Cedars", near Layton chromite mine. 267 Comment
  UC336301  Castilleja rubicundula subsp. lithospermoides unknown 579 Sonoma Sonoma Valley Comment
  JEPS60451  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6689 Sonoma 2.9 mi s Russian River (Highway 1) Comment
  UC26494  Castilleja wightii Harley P. Chandler 1900-5-25 710 Sonoma Bodega Bay Comment
  RSA189771  Castilleja wightii Noel Holmgren, James L. Reveal 1966-6-6 2547 Sonoma Just north of Ocean View. Comment
  SEINET4565634  Catapodium rigidum L. Koch 1940-5-19 964 Sonoma Wood residence, 349 Second Avenue, Santa Rosa Comment
  CAS-BOT-BC47802  Ceanothus John Thomas Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47805  Ceanothus James McMurphy 1909-5-29 s.n. Sonoma ridge south of the Geysers Comment
  CAS-BOT-BC47807  Ceanothus Mary P. Wells 1985-10-4 682 , 683, 684 Sonoma Deer Trail near Halcyon. The Sea Ranch Comment
  SBBG119964  Ceanothus confusus A. Howald 2007-4-2 2459 Sonoma Goodspeed Trail above Sonoma Crk, ca. 0.3 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 260 Comment
  UC870504  Ceanothus confusus Lewis S. Rose 1940-5-6 40260 Sonoma 4 mi NE of Santa Rosa (Rincon Ridge, type locality) Comment
  UCD111360  Ceanothus confusus Frederica Bowcutt; Adam Green 1994-5-1 1752 c Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  UC1281314  Ceanothus confusus Milo S. Baker 1940-1 10173 Sonoma Fitzsimmon's Grade Comment
  CAS-BOT-BC49075  Ceanothus cuneatus J. Harry Goff 1937-4-1 s.n. Sonoma Sonoma Creek Canyon near Kenwood Comment
  CAS-BOT-BC49151  Ceanothus cuneatus John Thomas Howell 1931-3-14 5766 Sonoma River Ridge near Santa Rosa Comment
  UCD160146  Ceanothus cuneatus James A. Neilson Jr. 1974-4-24 2716 Sonoma Mayacmas Mountains, Squaw Creek drainage, at site of geothermal well Ottoboni 17. (Exact location of Ottoboni 17 unknown; this record is georeferenced along Ottoboni Ridge Road in The Geysers; elevation estimated by label-maker). 967 Comment
  SEINET12211126  Ceanothus divergens W. Knight, Knight, I.; Edwards, S. 1984-1 5386 Sonoma Kortum canyon Road Comment
  POM136437  Ceanothus foliosus A. A. Heller, H. E. Brown 1902-5-29 s.n. Sonoma Mt. Hood. Comment
  UC1299554  Ceanothus foliosus Freed W. Hoffman 1947-5-30 522 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UC18295  Ceanothus foliosus W. H. Brewer 1862-4-18 984 Sonoma near Sonoma Comment
  UC608222  Ceanothus foliosus A. E. Wieslander 1938-4-14 721 Sonoma 1 mi s Trenton (road side.); Sebastopol quad. 83 Comment
  UCD112129  Ceanothus foliosus J. M. Tucker 1951-6-26 2144 Sonoma Near Top of the World Ranch, ca. 5 miles due east of Glen Ellen. Comment
  SEINET11191419  Ceanothus foliosus subsp. foliosus C. L. Schmidt 1987-2-27 1135 Sonoma 4 miles up Cavedale from CA-12, Hooker Canyon. 500 Comment
  CDA11983  Ceanothus foliosus var. foliosus G. F. Hrusa, T. D. Wilfred 1995-12-3 12488 Sonoma North Coast Biodiversity Arena; SE summit of Chalk Mtn., Foote Ranch property, NW base of Mt. St. Helena. Comment
  JEPS128180  Ceanothus foliosus var. foliosus Roger Raiche 2001-5-17 021 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  RSA25831  Ceanothus foliosus var. vineatus Carl B. Wolf 1941-7-17 11023 Sonoma 100 yards west of the Vine Hill School, Vine Hills Dist. north of Sebastapol. 46 Comment
  UC1084483  Ceanothus foliosus var. vineatus G. Thomas Robbins 1938-4-15 257 Sonoma along road to Occidental W q Green Valley. Comment
  CAS-BOT-BC50014  Ceanothus gloriosus John Thomas Howell 1937-4-11 12904 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50016  Ceanothus gloriosus John Thomas Howell 1937-4-11 12901 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  JEPS42421  Ceanothus gloriosus F. W. Hoffman 1928-3-30 Sonoma Lone Mountain Farm Guerneville Comment
  UC870563  Ceanothus gloriosus var. exaltatus Koch 1938-3-30 72 Sonoma Santa Rosa Junior College campus. Transplanted from Vine Hill region near type locality. Comment
  CAS-BOT-BC63741  Ceanothus griseus Walter Knight; Irja Knight 1964-2-28 565 Sonoma Ca. 6 mi. n. of Stewarts Point. Comment
  RSA136660  Ceanothus griseus A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  UC1299513  Ceanothus integerrimus Freed W. Hoffman 1947-4-10 1891 Sonoma Pieta Grade North Coast Ranges (old rd Highland Springs to Hopland, w slope) Comment
  CAS-BOT-BC50720  Ceanothus integerrimus var. macrothyrsus Helen D. Geis 1902-1-1 s.n. Sonoma unspecified Comment
  CAS-BOT-BC51132  Ceanothus jepsonii var. albiflorus Walter Knight; Cliff Schmidt 1987-2-27 6060 Sonoma Bradford Mt. Road near Dorman Canyon, West of Healdsburg 167 Comment
  UC75645  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC51871  Ceanothus parryi T. S. Brandegee 1889-6-1 20 Sonoma Tall House, Mt. St. Helena Comment
  CAS-BOT-BC51892  Ceanothus parryi A. A. Heller; H. E. Brown 1902-4-22 5337 Sonoma Between Santa Rosa and Agua Caliente Comment
  SJSU14042  Ceanothus parryi C. L. Schmidt 1986-4-11 1109 Sonoma Trinity Rd, 1.5 mi E of Hwy 12 198 Comment
  UC1254088  Ceanothus parryi J. A. Delapp 1964-4-30 74 Sonoma Near Black Mountain Comment
  CAS-BOT-BC53003  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Triniti Mt., 2 miles e. of Glen Ellen Comment
  CAS-BOT-BC53043  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-12 s.n. Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  RSA753880  Ceanothus sonomensis Dylan O. Burge, C. Miller 2007-6-12 DOB 939 c Sonoma Mayacmas Mts., head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles (6.4 km) E of SR 12. 4.90 km 85 degrees (True) ENE of Glenn Ellen. 560 Comment
  SBBG26768  Ceanothus sonomensis J. T. Howell 1935-5-5 Sonoma Triniti Mtn 2 mi NE of Glen Ellen Comment
  UC1010755  Ceanothus sonomensis Peter H. Raven 1954-2-27 6428 Sonoma Hoods Peak Range, mountain side on N side of Hooker Creek. 609 Comment
  UC1614463  Ceanothus sonomensis Charles M. Belshaw 1936-3-8 1581 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood) 144 Comment
  CAS-BOT-BC53039  Ceanothus sonomensis Milo S. Baker 1927-3-5 2011 a Sonoma South slope of Hood Mt. on Macertney Ranch 213 Comment
  CAS-BOT-BC52399  Ceanothus velutinus Walter Knight; Irja Knight 1963-12-27 468 Sonoma Summit. Pine Flat Rd. Comment
  JEPS86808  Centaurea calcitrapa Jack and Betty Guggolz 1991-6-1 1162 Sonoma on e side of hwy, just n of its intersection with Hessel Road Hwy 116 42 Comment
  CAS-BOT-BC277250  Centaurea solstitialis W. D. Hamilton 1946-5-15 s.n. Sonoma Santa Rosa Comment
  RSA121125  Centaurea solstitialis H. S. Yates 1935-10-3 5341 Sonoma Santa Rosa 53 Comment
  RSA662536  Centaurium floribundum J. C. Roos 1957-7-3 6652 Sonoma Healdsberg Comment
  UCD55332  Centaurium tenuiflorum Ellen Dean 2006-6-28 3176 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  UC75838  Centromadia fitchii Miss M. Alice King 1897-6-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC288808  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC271545  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC279399  Centromadia pungens subsp. pungens H. M. Hall 1931-10-6 13264 Sonoma West of Petaluma Comment
  CAS-BOT-BC384978  Cerastium arvense Catherine Best 1983-4-16 s.n. Sonoma Along the Coleman Valley Rd. about 5 miles West of Occidental Comment
  SJSU6207  Cerastium arvense subsp. strictum S. H. Casey 1969-5-13 242 Sonoma near seaward margin, coastal bluff between Gualala & Fort Ross, 3 mi N of Stewarts Point Comment
  CAS-BOT-BC400228  Ceratophyllum demersum Peter Rubtzoff 1956-9-15 2908 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC400232  Ceratophyllum demersum Peter Rubtzoff 1962-10-23 5123 Sonoma Laguna de Santa Rosa area east of Graton, betw. Occidental and Guerneville roads Comment
  POM140923  Cercocarpus betuloides A. A. Heller, H. E. Brown 1902-3-25 5147 Sonoma Near Mark West Springs Comment
  UC72965  Cercocarpus betuloides var. betuloides Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  CDA7377  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19483 Sonoma 1 mile west of the freeway overpass, Highway 101, Asti. 0 Comment
  RSA79015  Chamaemelum fuscatum P. A. Munz 1952-3-23 17351 Sonoma 0.5 mile among Vines in vineyard, 2 miles S of Asti Vineyard (Italian Swiss Colony). Comment
  UCD130400  Chamaemelum fuscatum Philip A. Munz 1952-3-23 17351 Sonoma 2 miles south of Asti Vineyard (Italian Swiss Colony). Comment
  UCD164598  Chenopodium Peter Rubtzoff 1975-9-7 8370 Sonoma South side of American River in the vicinity (west) of Watt Ave. bridge. Comment
  RSA201186  Chenopodium botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 miles E of Guerneville). Comment
  RSA788829  Chlorogalum Carrie A. Herd 1982-4-25 80 Sonoma Crane Creek Regional Park, Flattened area above Crane Creek Comment
  CAS-BOT-BC499257  Chlorogalum pomeridianum Peter Rubtzoff 1951-7-14 473 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  JEPS128347  Chlorogalum pomeridianum var. pomeridianum Roger Raiche 2000-5-28 118 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC252850  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1925-5-9 11750 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC248858  Chrysolepis P. S. Manos 1989-10-7 907 Sonoma North Coast Range, Mount St. Helena. Trail near the top 900 Comment
  CAS-BOT-BC30104  Chrysolepis chrysophylla Mary P. Wells; Mary Rhyne; John Madison 1985-11-4 695 Sonoma Forest 1/2 mile south of the Gualala River Comment
  UCD110109  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  UC1193057  Chrysolepis chrysophylla var. minor R. H. Neuns 1950-5-23 114 Sonoma 2 mi w Cobb (on Cobb Mountain, on Sonoma-Lake County line); Cobb Mountain 1264 Comment
  SD251186  Chrysopsis Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 miles SW of the Russian River bridge in Hacienda. Comment
  UC1119746  Cichorium intybus H. S. Yates 1935-10-3 5345 Sonoma Santa Rosa Santa Rosa Quadrangle Comment
  CAS-BOT-BC285253  Cichorium intybus Walter Knight; Irja Knight 1963-8-31 216 Sonoma Cor. Todd Rd & freeway Comment
  CAS-BOT-BC290570  Cirsium Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC290695  Cirsium Peter Rubtzoff 1962-6-13 4899 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC278069  Cirsium douglasii var. breweri Walter Knight; Irja Knight; Tiffany Knight; Steve Edwards 1985-7-21 6358 Sonoma Pine Flat Road 304 Comment
  UC1357630  Cirsium douglasii var. douglasii R. F. Hoover 1966-6-17 9914 Sonoma n of Alexander Valley; Sausal Creek Comment
  CAS-BOT-BC279997  Cirsium douglasii var. douglasii Alice Eastwood; John Thomas Howell 1937-5-31 4497 Sonoma 6 1/2 miles south of Gualala River, Sonoma coast Comment
  CAS-BOT-BC280372  Cirsium occidentale var. venustum F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch Comment
  UC30833  Cirsium occidentale var. venustum F. T. Bioletti 1892-7-24 Sonoma Glen Ellen Comment
  CAS-BOT-BC280363  Cirsium occidentale var. venustum Blanche Clear 1938-5-28 s.n. Sonoma Hillside between Geyserville & Alexander Valley Comment
  UC30831  Cirsium occidentale var. venustum F. T. Bioletti 1892-7-1 Sonoma Chauvert's Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  UCSB50240  Cirsium quercetorum Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  CAS-BOT-BC285753  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  JEPS79728  Cirsium remotifolium var. odontolepis Edward Lee with W. A. Setchell 1936-6-7 2205 Sonoma MacLaren Trail Bohemian Grove (roadside) Comment
  UC91788  Cirsium remotifolium var. odontolepis K. Brandegee 1886-4-1 Sonoma Santa Rosa Comment
  CAS-BOT-BC162607  Clarkia W. R. Dudley 1893-9-9 s.n. Sonoma Russian River Comment
  CAS-BOT-BC161054  Clarkia amoena subsp. amoena Alice Eastwood 1915-6-29 4883 Sonoma Bodega Point Comment
  CAS-BOT-BC161048  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-6 6085 Sonoma Alder Glen Springs Comment
  RSA458845  Clarkia amoena subsp. amoena Unspecified 1941-6-20 s.n. Sonoma Between Santa Rosa and Ukiah, Highway 101 Comment
  UC1018290  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 871 Sonoma 2.0 mi e Mark West Springs Comment
  CAS-BOT-BC172222  Clarkia concinna Mrs. E. C. Sutliffe 1894-5-15 s.n. Sonoma Cazadero Comment
  UCSB15930  Clarkia concinna Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 1.5 miles northwest of U.S. Highway 101; at Cloverdale 121 Comment
  CHSC41508  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6074 Sonoma Along w side of roadway, .2 miles w of Mark West Springs on Mark West Springs Rd. 134 Comment
  POM161720  Clarkia concinna subsp. concinna R. C. Bacigalupi 1928-5-2 1397 Sonoma Cazadero. Comment
  UC107859  Clarkia gracilis subsp. sonomensis Michener and Bioletti 1893-6-10 37 Sonoma Glen Ellen Comment
  CAS-BOT-BC163151  Clarkia imbricata John Thomas Howell 1937-7-4 13084 Sonoma 5 miles north of Sebastopol Comment
  POM191622  Clarkia purpurea subsp. quadrivulnera H. E. Parks, S. T. Parks 1930-5-10 606 Sonoma Open hills around Knight s Valley Comment
  UCD104912  Clarkia purpurea subsp. quadrivulnera Frederica Bowcutt 1994-5-21 1813 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, and 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail about 3/4 mile from trailhead. 411 Comment
  CAS-BOT-BC164585  Clarkia purpurea subsp. viminea Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  UCD105033  Clarkia unguiculata Frederica Bowcutt 1994-6-12 1868 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail above Adobe Canyon Road (road visible from trail.) Less than 1/8 mile SW of trail juncture with Pony Gate Gulch Creek. 326 Comment
  UC1136706  Claytonia exigua subsp. exigua E. Armstrong 1934-3-26 926 Sonoma 2 mi nw Camp Meeker; Sebastopol Quad. 121 Comment
  UC852065  Claytonia gypsophiloides Alice Eastwood 1918-5-1 6819 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC439399  Claytonia gypsophiloides Peter Rubtzoff 1957-5-26 3352 Sonoma Near Occidental - Graton road, 2.7 mi. east of Occidental. Comment
  CAS-BOT-BC439403  Claytonia gypsophiloides Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-3-23 10530 Sonoma 1.1 mi. s. of Mendocino Co. line on State Highway 128, n. of Cloverdale Comment
  RSA293048  Claytonia gypsophiloides Reino Alava 1957-3-23 525 Sonoma Dry serpentine hillside, four miles NW of Cloverdale, on State Highway. 128 Comment
  UC480640  Claytonia gypsophiloides Carl Meyer 1929-3-29 Sonoma Comment
  UCD144660  Claytonia perfoliata Rimy Waraich; Patty Togioka, Erik Beever 1993-5-8 228 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 304 Comment
  CAS-BOT-BC443681  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1931-4-2 6040 Sonoma Kenwood Comment
  CAS-BOT-BC92755  Clematis ligusticifolia L. R. Abrams 1916-7-4 5796 Sonoma Road between Petrified Forest and Mark West. Comment
  CAS-BOT-BC92752  Clematis ligusticifolia W. W. Carruth 1900-7-1 s.n. Sonoma Russian River. Comment
  SEINET12050384  Clintonia andrewsiana F. H. Utech 1988-1 88 -202 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CHSC43170  Collinsia grandiflora Jeffrey D. Prouty 1979-4-11 223 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
  UCD161353  Collinsia greenei James A Neilson Jr. 1976-5-5 3698 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gouvea Leasehold, ca. 400 yards north of well site #1. (coordinates and location estimated by label maker.) Comment
  CAS-BOT-BC366865  Collinsia heterophylla Greg de Nevers 1998-4-21 11157 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Below Jim & Donna's house 400 Comment
  UC1032563  Collinsia heterophylla A. Lewis 1932-5-12 71 Sonoma 1 mi e of Sonoma 152 Comment
  UCR255041  Collinsia heterophylla Greg de Nevers 1998-4-21 11157 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM126797  Collinsia sparsiflora H. P. Chandler 1907-4-28 7549 Sonoma Santa Rosa to Calistoga. Comment
  RSA94791  Collinsia sparsiflora A. A. Heller 1903-4-23 6601 Sonoma Fort Ross. From type locality. Comment
  UC103393  Collinsia sparsiflora var. arvensis Michener and Bioletti Apr 1893 Sonoma Kenwood Comment
  UC766311  Collinsia sparsiflora var. sparsiflora R. F. Hoover 1939-4-18 4045 Sonoma 3 mi w Graton (on road to Occidental) Comment
  JEPS46209  Collomia grandiflora Eleanor Armstrong 1932-5-25 476 Sonoma 2 mi n Camp Meeker (towards Monte Rio, dry hillside) 121 Comment
  SEINET12332732  Collomia rawsoniana W. Knight, Knight, I.; Knight, T. 1985-1 5144 Sonoma Petaluma Comment
  UC23137  Convolvulus arvensis Alice King May 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC344847  Conyza Peter Rubtzoff 1990-10-27 10234 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  CDA12903  Conyza canadensis G. F. Hrusa, R. Gross, F. Luna 1996-3-29 12737 Sonoma North Coast Biodiversity Arena; Above water disposal area at end of Neeley Rd. 2 m. S of Guerneville and 3 m. N of Bohemian Grove on Russion River. Comment
  CAS-BOT-BC288918  Conyza canadensis Catherine Best 1983-10-12 909 Sonoma At the edge of the Bodega Highway, 2 miles W of Freestone Comment
  UCD138903  Corallorhiza mertensiana Paula Anderson 1977-5-25 31 Sonoma Salt Point State Park. 15 Comment
Read comments
May 16 2017
  JEPS6812  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1933-8-1 16549 Sonoma Agua Caliente Comment
  CAS-BOT-BC474748  Cordylanthus tenuis subsp. brunneus James A. Neilson, Jr. 1974-7-31 2862 Sonoma Mayacmas Mountains. Little Geysers area, 1/4 mi N of hot springs 731 Comment
  UCD123130  Cordylanthus tenuis subsp. brunneus Roger Raiche 1985-6-30 RR 50567 Sonoma unnamed ridge on west side of Dry Creek Valley, north of Crane Creek and south of Bradford Mt. 274 Comment
  UCD151308  Cordylanthus tenuis subsp. brunneus James A. Neilson Jr. 1974-7-31 2862 Sonoma Mayacmas Mountains. Little Geysers area, 1/4 mile north of hot springs. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC101571  Corethrogyne filaginifolia L. R. Abrams 1920-7-3 7610 Sonoma near Stewarts Point 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
  UC723024  Coronopus didymus C. L. Hitchcock, J. S. Martin 1939-7-15 5445 Sonoma below Bodega State Park Comment
  CAS-BOT-BC173590  Cotula coronopifolia Peter Rubtzoff 1969-7-21 6119 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC290296  Cotula coronopifolia Peter Rubtzoff 1951-7-14 451 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC376256  Crassula Greg de Nevers 1995-5-5 10720 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  UCD101816  Crassula solieri Reid Moran; Chas. Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1 km E of Glen Ellen (Rt. 12, 0.5 km S of Arnold Drive.) 110 Comment
  SJSU5983  Crataegus douglasii C. W. Sharsmith 1972-6-24 7796 Sonoma Atascadero Cr Marsh c 1 mi NW of Graton by lower Atascadero Cr, a tributary of Green Valley Cr Comment
Read comments
Dec 20 2006
  CAS-BOT-BC143512  Crataegus gaylussacia Lewis S. Rose 1962-6-1 62066 Sonoma 1 mi. nw of Freestone [This locality is near Freestone Marsh] 76 Comment
  CAS-BOT-BC32984  Crataegus gaylussacia Amos Arthur Heller 1902-8-20 6052 Sonoma at Sebastopol Comment
  RSA155431  Crataegus suksdorfii L. S. Rose 1962-6-1 62066 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  CDA36048  Crupina vulgaris CDFA Staff Sep 1976 Sonoma Santa Rosa. 0 Comment
  CDA37889  Crupina vulgaris CDFA Staff s.n. Sonoma Santa Rosa. 0 Comment
  CDA4461  Crupina vulgaris G. D. Barbe 1991-5-15 4412 (b) Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  CDA4463  Crupina vulgaris G. D. Barbe 1991-2-25 4402 Sonoma Annadel State Park, Santa Rosa. 0 Comment
  CAS-BOT-BC190145  Crypsis schoenoides Greg de Nevers 1992-10-15 10252 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  CAS-BOT-BC368011  Crypsis schoenoides Greg de Nevers 1989-12-3 9119 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Natural Pond. 400 Comment
  CAS-BOT-BC190183  Crypsis vaginiflora Peter Rubtzoff 1971-9-30 6708 Sonoma Laguna, Chileno Valley. Comment
  UCD60004  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC368095  Cryptantha Greg de Nevers 1998-5-5 11229 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC376222  Cryptantha Greg de Nevers 1993-3-28 10336 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Shriver Canyon 304 Comment
  JEPS30831  Cryptantha leiocarpa Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8587 Sonoma 0.25 mi se Horseshoe Cove (at ne base of low hills forming Bodega Head proper); Bodega Head 12 Comment
  UC280368  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC85467  Cupressus sargentii J. Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade; on serpentine rock and gravel. Between Graton and Occidental Comment
  UC1193102  Cupressus sargentii P. Zinke 1949-6-14 61 Sonoma ridge between Dry Creek and Smith Creek; Quad 61A3 457 Comment
  CAS-BOT-BC85428  Cupressus sargentii Clinton Hart Merriam 1907-7-27 s.n. Sonoma East ridge on Knights Valley road to Middletown, Mt. St. Helena Comment
  CAS-BOT-BC85462  Cupressus sargentii Milo Samuel Baker 1929-1-2 3383 c Sonoma 3 mi. N. West Coopers, Mill Cr. Comment
  CAS-BOT-BC85465  Cupressus sargentii Stephen N. Stephenson 1979-8-13 s.n. Sonoma south facing slope of Sonoma Mt.,, adjacent to Sonoma-Napa rd. near county line 700 Comment
  NY16794  Cupressus sargentii D. D. Keck 1933-11-6 2651 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-BC361393  Cuscuta californica var. breviflora Greg de Nevers 1993-8-7 10481 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA223358  Cuscuta campestris Peter Rubtzoff 1968-9-21 5989 Sonoma Petaluma Creek at Stony Point Road 4 miles northwest of Petaluma. Comment
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Sep 8 2011
  CDA41304  Cuscuta howelliana G. F. Hrusa, A. Buckman (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 2 of 3. Comment
  UCD60093  Cynodon dactylon Mary M. Hektner; Cathy Hendel 1974-7-25 165 Sonoma Near State Highway 1, Sea Ranch. Comment
  UC483308  Cynoglossum grande Ira L. Wiggins 1932-3-12 5760 Sonoma between Knight's Valley and Franz Valley Comment
  UC1146618  Cynosurus cristatus Freed W. Hoffman 1943-6-20 2061 Sonoma Eckert Ranch near Salt Point (Sonoma Coast); North Coast Ranges, , near Salt Point Comment
  CAS-BOT-BC190433  Cynosurus echinatus G. DeNevers 1981-5-5 957 Sonoma Pepperwood Ranch. On the bench south of the Studio. Comment
  CAS-BOT-BC190474  Cynosurus echinatus Roxana S. Ferris; Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  OBI35899  Cynosurus echinatus David J. Keil 1983-6-30 17215 Sonoma Stillwater Cove Regional Park Comment
  RSA47614  Cynosurus echinatus Roxana S. Ferris, Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  UCD60157  Cynosurus echinatus G. F. Hrusa; R. Gross 1999-6-12 15075 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
Read comments
Aug 15 2010
  UCD60173  Cynosurus echinatus Rimo Bacigalupi; L. Heckard 1961-6-9 7743 Sonoma Near reservoir at head of North Fk. of Lancel Creek; just below the serpentine area along Stoeti Lane, about 1/2 mile northwest of its junction with Harrison Grade road, about 3/4 mile northwest of Occidental School. 222 Comment
  UCR248721  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 miles northeast of Penngrove on Lichau Road 427 Comment
  CAS-BOT-BC350944  Cyperus Peter Rubtzoff 1970-9-2 6352 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC114772  Cyperus acuminatus Peter Rubtzoff 1987-10-17 9873 Sonoma Russian River ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC114686  Cyperus bipartitus Herbert L. Mason 1946-7-4 12884 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  RSA41918  Cyperus eragrostis H. C. Cantelow 1936-5-3 1282 Sonoma Kenwood Comment
  CAS-BOT-BC113910  Cyperus niger var. capitatus Peter Rubtzoff 1964-8-26 5477 Sonoma Marsh 5 mi NE of Penngrove on Lichan Rd. 213 Comment
  JEPS18145  Cypripedium californicum Rimo Bacigalupi with G. T. Robbins and F. Hoffman 1956-5-30 5668 Sonoma vicinity of The Cedars (along and just above creek-bed, near Layton Chromite Mine); headwaters of Big Austin Creek 266 Comment
  UC410708  Cypripedium californicum A. L. Graff 1928-5-22 Sonoma headwaters of Austin Creek Comment
  CAS-BOT-BC435189  Cypselea humifusa Peter Rubtzoff 1958-8-17 3886 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.). Comment
  POM21457  Cytisus monspessulanus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 73094 Sonoma Near Windsor. Comment
  UC70410  Cytisus scoparius Milo S. Baker 1899-5-7 Sonoma near Occidental Comment
  CAS-BOT-BC189847  Dactylis glomerata Mary P. Wells 1982-8-21 137 Sonoma Salt Point State Park. Comment
  UC1100146  Damasonium californicum Malcolm A. Nobs and S. Galen Smith 1949-7-29 921 Sonoma w. of Santa Rosa (on rd. to Sebastopol, The Laguna) Comment
  CAS-BOT-BC445560  Damasonium californicum J. W. Congdon 1880-5-16 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192269  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh Comment
  UC1131385  Danthonia californica H. S. Yates 1937-5-30 6540 Sonoma 1 1/2 mi sse Graton; Sebastopol Quadrangle Comment
  UCD33094  Danthonia californica Beecher Crampton 1966-5-10 7724 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  SEINET4566587  Danthonia californica var. americana B. Crampton 1963-5-27 6811 Sonoma Alexander Valley; State Highway 128, about 8 miles southeast of Geyserville 152 Comment
  UCD32895  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma Sonoma County, ca. 8.5 miles S.E. of Geyserville, south end of Alexander Valley, jct. of Calistoga (hwy. 128) and Chalk Hill roads. Comment
  SEINET7042399  Danthonia californica var. californica A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  CAS-BOT-BC154986  Datura Peter Rubtzoff; Irene Rubtzoff 1968-8-31 5940 Sonoma Russian River bottom at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCR279632  Datura stramonium Peter Rubtzoff 1968-9-21 5986 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC154138  Datura stramonium var. tatula Peter Rubtzoff 1951-8-5 593 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  JEPS15987  Daucus carota W. L. Jepson 1933-8-5 16552 Sonoma Sonoma Comment
  SD134023  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural [preserve, 3500 Franz Valley Road, Santa Rosa. 99 Comment
  CAS-BOT-BC9606  Delphinium bakeri Eleanor Lohman 1921-4-1 3175 Sonoma Coleman Valley Comment
  RSA90505  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley; West of Occidental on Hendrin Ranch Comment
  CAS-BOT-BC9020  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9024  Delphinium decorum Gertrude Raven Hardman 1925-3-10 s.n. Sonoma Tomales Comment
  UC727784  Delphinium hesperium subsp. hesperium Milo S. Baker 1899-1 Sonoma near Glen Ellen 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
  CAS-BOT-BC10126  Delphinium luteum Mary Hallett 1927-4-1 s.n. Sonoma Graton Comment
  UC906501  Delphinium luteum Joseph Ewan 1935-5-12 9203 Sonoma grassy slope on Bodega Bay rd 2 mi w Bodega Comment
  CAS-BOT-BC9893  Delphinium nudicaule John Thomas Howell 1931-4-18 6427 Sonoma 8 miles N of Bay 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
  UC136330  Delphinium nudicaule C. F. Baker 1903-4-20 2620 Sonoma Mt. St. Helena Comment
  UCSB22476  Delphinium nudicaule McCarthy, Sharon 1965-4-16 Sonoma north of junction of 5th St. West and Verano Ave., Sonoma 60 Comment
  SEINET7067342  Delphinium variegatum A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  SEINET7075474  Delphinium variegatum A. G. Vestal 1955-5-8 s.n. Sonoma South of Bennett Mountain. 38? deg. 24' 45" North Latitude, -122? deg. 37' 22" West Longitude. (NAD 27), UTM Zone 10, 532928mE, 4251457mN. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC584  Dendromecon rigida subsp. rigida E. Ruckert 1960-4-29 128 Sonoma Triniti Road, east of Hwy 12, about 2 miles from junction. Comment
  CDA18036  Deschampsia cespitosa R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  UC1131421  Deschampsia cespitosa subsp. cespitosa H. S. Yates 1936-5-16 5605 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  CAS-BOT-BC192607  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1945-5-30 20898 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC192611  Deschampsia cespitosa subsp. holciformis David D. Keck 1944-7-12 5514 Sonoma 1 mile S. of bridge across mouth of Russian River Comment
  UCD63758  Deschampsia cespitosa subsp. holciformis H. S. Yates 1936-5-17 5625 Sonoma 1 1/2 miles E of Bodega Port. 121 Comment
  UCD63810  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4322 Sonoma Along State Hwy. 1, about 0.8 miles north of Salmon Creek, Sonoma Coast State Park. 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
  SEINET10662930  Deschampsia cespitosa subsp. holciformis P. Rubtzoff 1971-6-25 Rubtzoff 6571 Sonoma Intermittent lake off west side of Hwy.1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  CDA34803  Deschampsia danthonioides Peter Warner 2010-5-6 147 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
  CAS-BOT-BC201964  Deschampsia elongata Peter Rubtzoff 1952-6-10 1218 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC201965  Deschampsia elongata Peter Rubtzoff 1960-6-7 4457 Sonoma Austin Creek Marsh Comment
  OBI22307  Deschampsia elongata Lewis S. Rose 1962-6-1 62064 Sonoma 1 mi NW of Freestone 76 Comment
  UC53519  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma near Guerneville Guerneville Comment
  UC53607  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma Russian R. below Guerneville; Russian R. Comment
  UCD63238  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  RSA126964  Deschampsia holciformis H. S. Yates 1936-5-17 5625 Sonoma 1.5 miles E of Bodega Port 122 Comment
  SEINET197660 Image available Desmazeria rigida Leo Koch 1940-5-19 964 Sonoma 349 Second Avenue Wood Residence; persisting at this locality for at least 10 years Comment
  CAS-BOT-BC376263  Dianthus armeria Greg de Nevers 1991-7-15 9757 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC254498  Dichanthelium acuminatum subsp. acuminatum Walter Knight; Irja Knight 1968-1-1 2264 Sonoma From end of footbridge at Sulphur Creek opposite bath houses, Geysers Resort Comment
  SEINET242405 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 a Sonoma NE Sonoma County, the Geysers, 12 miles (in direct line) E of Cloverdale, ca. 1/2 mile E of Geyser Resort area 494 Comment
  SEINET10662587 Image available Dichanthelium acuminatum var. acuminatum Henry N. Bolander 1860-1 Bolander 3941 Sonoma Geysers. Comment
  SEINET3134494  Dichanthelium lanuginosum var. thermale R. W. Spellenberg 1964-6-15 402 Sonoma The Geysers, 17 mi E of Geyserville Comment
  UCD160756  Dichelostemma capitatum James A. Neilson Jr. 1975-5-23 3220 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC502214  Dichelostemma capitatum A. A. Heller 1902-3-14 5065 Sonoma near Windsor Comment
  SEINET12050380  Dichelostemma capitatum F. H. Utech 1988-1 88 -195 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh & adjoining meadows 10 Comment
  JEPS128284  Dichelostemma capitatum subsp. capitatum Roger Raiche 2005-4-22 010 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET7067346  Dichelostemma capitatum subsp. capitatum A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  JEPS79159  Dichelostemma multiflorum Nancy Harrison 1980-5-16 2124 Sonoma s of Piner Elementary School; Santa Rosa Comment
  SBBG39521  Dichondra donelliana L. S. Rose 1970-4-18 70029 Sonoma 4 mi N of Sonoma 274 Comment
  CAS-BOT-BC176146  Digitaria Peter Rubtzoff 1969-8-29 6170 Sonoma Salmon Creek, ca. 0.5 mi. upstrom from Hwy. #1 Comment
  CAS-BOT-BC152039  Diplacus aurantiacus Walter Knight; Irja Knight 1963-10-27 441 Sonoma Spring Mt. Road Comment
  CHSC1749  Diplacus aurantiacus H. Holder 1949-5-19 Sonoma Highway #1. Comment
  CAS-BOT-BC152040  Diplacus aurantiacus F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC151881  Diplacus congdonii John Thomas Howell 1937-4-11 12892 Sonoma Triniti Mt. east of Glen Ellen Comment
  UCR10208  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma 2 mi west of Bodega town on a road which turns right within the town Comment
  POM109250  Disporum hookeri var. hookeri Marcus E. Jones 1882-7-8 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC196920  Distichlis spicata David L. Morgan 1956-5-8 s.n. Sonoma 3 miles southeast of Petaluma on Lakeville road Comment
  JEPS76928  Dodecatheon hendersonii Robert M. Lloyd 1963-2-24 2051 Sonoma 3 mi ne Forestville (on road to US 101) Comment
  UC1093636  Dodecatheon hendersonii Francia Chisaki and Gene B. Newcomb 1958-3-31 1076 Sonoma on Trinity Road 1.2 mi w of junction with Cavedale Road; on Trinity Road w of junction with Cavedale Road Comment
  UCD118839  Dodecatheon hendersonii Frederica Bowcutt; Kate Mawdsley 1996-3-24 2091 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  CAS-BOT-BC154163  Downingia concolor var. concolor Peter Rubtzoff 1963-6-6 5162 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  JEPS14425  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Cotati Valley, at Wilfrid sta. Cotati Valley Comment
  UC1244024  Downingia concolor var. concolor John H. Weiler 1960-4-22 60102 Sonoma Schellville station, Southern Pacific Railroad Comment
  UCR279855  Downingia concolor var. concolor Peter Rubtzoff 1966-6-5 5752 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 mile from Llano Road 29 Comment
  JEPS103635  Downingia pusilla Lisa Schultheis 1995-5-15 148 -95 Sonoma Santa Rosa. Alton Lane, approximately 0.25 miles W of Fulton Road Comment
  JEPS78860  Drymocallis glandulosa var. wrangelliana Edward Lee 1936-6-8 2221 Sonoma near entrance Bohemian Grove; near entrance Bohemian Grove Comment
  UC567049  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3755 Sonoma near Bodega; Sebastopol Quadrangle Comment
  CAS-BOT-BC71016  Dryopteris arguta J. W. Congdon 1880-1-11 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC71014  Dryopteris arguta Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC71022  Dryopteris arguta G. DeNevers 1981-5-9 1081 Sonoma above Redwood Canyon, S of it Comment
  CAS-BOT-BC71025  Dryopteris arguta G. DeNevers 1981-5-23 1307 Sonoma Devils Kitchen Hill Comment
  RSA120869  Dryopteris arguta Milo S. Baker 1898-2-19 715 Sonoma Hills NE of Santa Rosa Comment
  CAS-BOT-BC71075  Dryopteris expansa J. Burtt Davy 1896-3-13 s.n. Sonoma near Duncan's Mill Comment
  CAS-BOT-BC428181  Dudleya cymosa subsp. cymosa C. F. Leitholt 1893-6-1 s.n. Sonoma On the border of Bennett Valley Comment
  CAS-BOT-BC428377  Dudleya farinosa John H. Thomas 1976-6-15 18284 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC420755  Dudleya farinosa Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  SEINET1909911  Dysphania botrys Barbara Ertter 1988-1 8029 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152 Comment
  RSA785444  Echinochloa Peter Rubtzoff 1971-8-31 6663 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC176200  Echinochloa crus-galli Peter Rubtzoff 1956-9-14 2861 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD60945  Echinochloa crus-pavonis Virginia Bufford 1935-9-8 79 Sonoma Pitkins Yard, Vine Hill District. Comment
  UCD61074  Echinochloa muricata P. B. Kennedy 1925-8-4 Sonoma Petaluma. Comment
  UCR74391  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay. Bay Flat Road, near Clark Marsh Comment
  CAS-BOT-BC257690  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7880 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC274414  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC112195  Eleocharis radicans Peter Rubtzoff 1951-9-2 702 Sonoma Pitkin Marsh, near Forestville: Southern half of Lower Marsh Comment
  CAS-BOT-BC112202  Eleocharis radicans Peter Rubtzoff 1956-9-16 2918 Sonoma Vacation Beach, near Guerneville. Open, muddy margin of a pool on Russian River bottom. Comment
  CAS-BOT-BC112206  Eleocharis radicans Peter Rubtzoff 1961-8-25 4722 Sonoma Forest Hills, east of Guerneville. Open, wet margin of Russian River. Comment
  UC1026470  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma near Forestville (Pitkin Marsh, Lower Marsh, southern half) Comment
  OBI70585  Elymus caput-medusae D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .278 Sonoma Cavedale Rd 518 Comment
  UCD158822  Elymus glaucus James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2895 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  UCD62305  Elymus glaucus H. S. Yates 1936-5-16 5585 Sonoma 1 mile N.E. of Graton. 30 Comment
  CAS-BOT-BC203707  Elymus glaucus subsp. glaucus Alice Eastwood 1915-6-29 4873 Sonoma Bodega Point Comment
  CAS-BOT-BC203711  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-10 1229 A Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203719  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1034 Sonoma Pepperwood Ranch. Just above the old Strebel Homestead Comment
  CAS-BOT-BC204307  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-6 1454 Sonoma Pepperwood Ranch. At first Pepperwood entrance Comment
  UCD167526  Emmenanthe penduliflora James Neilson 1979-6-26 3977 Sonoma Mayacmas Mountains, along Cadd Fire trail about 2 miles NW Contact Mine. (Notebook says on ridge between Big and Little Sulphur Creeks ca. 2 mi NW of Socrates Mine. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC165906  Epilobium Peter Rubtzoff 1986-9-28 9746 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC166619  Epilobium canum subsp. canum John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  UCD105464  Epilobium canum subsp. latifolium Frederica Bowcutt 1995-11-7 2061 a Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SE of Red Mountain. In Sonoma Creek watershed along Vista Trail. Comment
  CAS-BOT-BC262988  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-6-20 1507 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC290550  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh. Comment
  UC1042506  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-8-4 586 Sonoma opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UCD35654  Epilobium ciliatum subsp. ciliatum Beecher Crampton 1959-6-16 5387 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  CAS-BOT-BC262973  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1676 Sonoma Bodega Head Marsh. Comment
  SBBG5065  Epilobium ciliatum subsp. watsonii H. and M. Dearing 1939-5-14 3365 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  RSA37531  Epilobium ciliatum subsp. watsonii J. Prosser, E. Cahill, E. Hallberg 1940-1 MSB- 9672 Sonoma Bodega Trip Comment
  UC873152  Epilobium densiflorum Lewis S. Rose 1938-9-11 38252 Sonoma dry ditch Bloomfield 30 Comment
  UCD148363  Epilobium densiflorum Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mountain Lake. Comment
  JEPS82530  Epipactis gigantea Roger Raiche 1984-5-19 40162 Sonoma n Cazadero; The Cedars, headwaters of Big Austin Creek 243 Comment
Read comments
Oct 16 2007
  SEINET12077663  Epipactis helleborine H. K. Wagnon 1989-1 1892 Sonoma Jack London State Park Comment
  CAS-BOT-BC57042  Equisetum arvense Peter Rubtzoff 1959-6-20 4183 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC57047  Equisetum arvense Peter Rubtzoff 1958-4-26 3601 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC57045  Equisetum arvense Peter Rubtzoff 1959-6-7 4108 Sonoma Russian River betw. Vacation Beach and East Guernewood near Guerneville Comment
  CAS-BOT-BC57210  Equisetum hyemale subsp. affine John Thomas Howell 1931-9-26 8088 Sonoma Creek bottom at Northwood near Monte Rio on the Russian River Comment
  SEINET6032328  Equisetum hyemale var. affine P. L. Henderson 1977-4-30 77 -7 Sonoma Bodega Bay, Bodega Head Comment
  UCD148417  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  CDA11332  Equisetum telmateia subsp. braunii G. F. Hrusa 1995-4-2 12042 Sonoma North Coast Biodiversity Arena; Franz Valley Rd. approx 3 m. W of Knights Valley intersection with Hwy. 128. Comment
  CAS-BOT-BC328125  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC173850  Eragrostis cilianensis Peter Rubtzoff 1956-9-14 2863 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC204446  Eragrostis cilianensis Greg de Nevers 1996-9-23 10883 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piny Canyon 487 Comment
  CAS-BOT-BC182770  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1963-9-28 5277 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC284189  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1961-8-25 4720 Sonoma Forest Hills east of Guerneville, Russian River Comment
  CAS-BOT-BC312702  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1973-8-20 7237 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164045  Erechtites glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  RSA785231  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 mi SE of Guerneville. Comment
  CAS-BOT-BC131606  Ericameria arborescens Greg de Nevers 1990-10-2 9683 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road, Devils Kitchen 457 Comment
  CAS-BOT-BC293626  Erigeron biolettii H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  SEINET7067253  Erigeron glaucus A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  UC1557908  Erigeron glaucus J. Semple, S. Heard 1986-8-18 8545 Sonoma bluffs above Pebble Beach (CA-1, 10.1 km s of Mendocino Co. line); Pebble Beach Coastal Access, Pebble Beach Comment
  UCD158778  Erigeron inornatus James A. Neilson Jr. 19 Aug1974 2850 Sonoma Mayacmas Mountains, south of Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC214551  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  JEPS82248  Erigeron serpentinus Roger Raiche 1983-8-6 30587 Sonoma near seep above Austin Creek (below Laton Mine buildings); the Cedars Comment
  UC1299251 Image available Erigeron serpentinus Freed W. Hoffman 1947-5-30 558 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC224153  Eriodictyon californicum Walter Knight; Irja Knight 1963-12-27 469 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC224157  Eriodictyon californicum D. E. Breedlove 1980-6-28 44800 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS78826  Eriodictyon californicum Edward Lee 1936-6-7 2185 Sonoma South ridge Fire Trail Bohemian Grove Comment
  UC1124285  Eriodictyon californicum E. Armstrong 1934-3-26 924 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle Comment
  CAS-BOT-BC259267  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma Two miles north of Bodega Bay Comment
  LA206929  Eriogonum latifolium C. L. Hitchcock; J. S. Martin 1939-7-15 5444 Sonoma cliffs below Bodega State Park Comment
  UCD100333  Eriogonum latifolium Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-22 53 Sonoma Unit 17 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC259472  Eriogonum luteolum Margaret J. Williams; Wayne Roderick 1978-7-16 78- 228 -2 Sonoma Near Occidental Comment
  CAS-BOT-BC259476  Eriogonum luteolum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  CAS-BOT-BC259485  Eriogonum luteolum Gladys L. Smith 1961-9-6 1453 Sonoma Road shoulder near P.G.&E. power house, Geysers 822 Comment
  CAS-BOT-BC261695  Eriogonum nudum var. nudum Peter Rubtzoff 1952-6-10 1246 Sonoma Resort at east base of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC269748  Eriogonum nudum var. oblongifolium J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC253067  Eriogonum roseum Helen D. Geis 1902-1-1 s.n. Sonoma Cloverdale Comment
  SEINET11933967  Eriogonum ternatum Unknown 1984-1 40234 Sonoma The Cedars,5 mi N of Cazadero on King Ridge Rd, headwaters of Big Austin Creek 549 Comment
  UC31703 Image available Eriophyllum confertiflorum var. confertiflorum Ivar Tidestrom 1905-6-3 Sonoma Comment
  CDA5241  Eriophyllum lanatum S. Quick 1996-5-1 7 Sonoma Along Road 32, within 50 meters of the U.C. Reserve access road leading to Stebbins Cold Canyon Reserve. Comment
  SBBG20895  Eriophyllum lanatum A. I. Richardson 1961-5-16 18 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwoods State Park, N of Guerneville Comment
  JEPS79447  Eriophyllum lanatum var. achilleoides Edward Lee with W. A. Setchell 1936-6-7 2186 Sonoma s ridge Fire Trail Bohemian Grove (Bohemian Grove) Comment
  OBI35873  Eriophyllum lanatum var. achilleoides David J. Keil 1983-6-29 17199 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1. Comment
  UC507059  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-20 E 25 Sonoma 3.5 mi from Healdsburg (between Santa Rosa and) Comment
  UC507060  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-20 E 26 Sonoma 1 mi n Healdsburg Comment
  UCD131484  Eriophyllum lanatum var. achilleoides Frederica Bowcutt 1996-5-24 2169 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 W of kiosk. 670 Comment
  CAS-BOT-BC301295  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  UC614628  Eriophyllum lanatum var. arachnoideum L. Constance 1938-4-24 2157 Sonoma 8 mi s of Fort Ross; Russian Gulch 121 Comment
  UCD132186  Eriophyllum lanatum var. arachnoideum Mary M. Hektner; Sue Dakuazku, Cathy Hendel 1974-7-3 112 Sonoma Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM256520  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma Jansen Ranch, at head of Dohrman Creek, four miles west of Healdsburg Comment
  RSA695687  Eriophyllum staechadifolium J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  POM358137  Eriophyllum staechadifolium Christopher Davidson 1977-6-17 5886 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  UCD103021  Erodium botrys Frederica Bowcutt; Kate Mawdsley 1996-3-24 2071 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  RSA44517  Erodium brachycarpum L. S. Rose 1949-4-6 49025 Sonoma Western outskirts of Sonoma. 30 Comment
  UCD103174  Erodium cicutarium P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  JEPS117128  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  UCD150144  Eryngium aristulatum Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  SD56682  Eryngium armatum Darley F. Howe 1963-7-3 3584 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
  UC1122952  Eryngium armatum H. S. Yates 1936-5-17 5631 Sonoma 2 mi. n. Bodega Bay; Duncan Mills Quad. 15 Comment
  JEPS128273  Erysimum capitatum var. capitatum Roger Raiche 2000-4-23 042 .00 Sonoma The Cedars. Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  SD77326  Erythranthe guttata F. W. Pennell, H. L. Mason 1940-5-21 25489 Sonoma Route 28, Kinghts Valley, along Maacona Creek, 12 mi. e. Healdsburg, along stream 121 Comment
  SEINET9633973 Image available Erythronium californicum Fred W. Hoffman 1947-4-20 1866 Sonoma Near Mercury, Geysers to Healdsburg. Comment
  JEPS128278  Eschscholzia caespitosa Roger Raiche 2005-4-22 015 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC635613  Eschscholzia californica H. L. Mason 1930-6-1 5654 Sonoma Gualala River; mouth Comment
  UCD158788  Eschscholzia californica James A. Neilson Jr. 1974-6-1 2882 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  UCR45080  Eschscholzia californica L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  CAS-BOT-BC403705  Eschscholzia californica Walter Knight; Irja Knight 1963-9-29 222 Sonoma Foot of Jefferson St. Petaluma Comment
  UCD103207  Eucalyptus globulus Frederica Bowcutt 1997-7-18 2185 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
  SD58246  Euonymus occidentalis Harry K. Roberts 1959-5-18 Sonoma On Louis Giovanni ranch in the first canyon south of ranch house, Green Valley, northwest of Sebastopol. Comment
  UC869900  Euonymus occidentalis var. occidentalis K. Wagnon May 1939 220 Sonoma 5 mi. w. of Sebastopol (1/8 mi. n.e. of Wagnon Ranch, along Jonive Creek) Comment
  CAS-BOT-BC376389  Euphorbia Greg de Nevers 1993-4-27 10405 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road. 400 Comment
  CAS-BOT-BC294704  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road. Comment
  CAS-BOT-BC294705  Euphorbia Peter Rubtzoff 1971-7-23 6610 Sonoma Laguna, Chileno Valley. Comment
  JEPS117122  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128 ~3.03 mi. (fr. N) at turnout on E side of road at metal gate, in adjacent disturbed grassland and across road, about 2 miles NW of Cloverdale. Comment
Read comments
Jul 7 2017
  RSA94310  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC239721  Fabaceae Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 mile north of Cazadero Comment
  CAS-BOT-BC311831  Festuca Peter Rubtzoff 1969-8-29 6166 Sonoma Along beach of Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC384609  Festuca Greg de Nevers 1989-4-1 9068 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCR249335  Festuca arundinacea Peter Rubtzoff 1962-5-25 4838 Sonoma Laguna de Santa Rosa area, northeast of Gratton, near the Laguna Road 30 Comment
  CDA18016  Festuca arundinacea S. Parnay 1999-5-25 PDR 008538 Sonoma Glen Ellen. 0 Comment
  UC573938  Festuca californica H. S. Yates 1934-4-21 3831 Sonoma 2 mi n County Farm; Santa Rosa Quad. 243 Comment
  CAS-BOT-BC283184  Festuca californica subsp. californica G. DeNevers 1981-5-23 1293 Sonoma Lower Pepperwood entrance, Pepperwood Ranch Comment
  UCD66122  Festuca occidentalis P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  CAS-BOT-BC278887  Festuca occidentalis Milo S. Baker 1945-5-1 10893 Sonoma Santa Rosa Cr. Canyon, south slope Comment
  SEINET10559306  Festuca occidentalis A. Arthur Heller 1902-4-4 Heller 5221 Sonoma Hills near Santa Rosa. Comment
  UCD33234  Festuca roemeri Beecher Crampton 1967-5-15 7930 Sonoma Lytton. Comment
  UC1146575  Festuca rubra Freed W. Hoffman 1944-6-8 2031 Sonoma Cruz Ranch North Coast Ranges, Sonoma Coast Comment
  RSA285079  Filago pyramidata J. T. Howell 1976-4-26 51595 Sonoma Hills E o Geyserville on road to Geysers Comment
  SEINET6923745  Fragaria chiloensis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Southern coast, ca. 1.3 miles north of Salmon Creek. Comment
  UC466558  Fragaria vesca Milo S. Baker May 1899 Sonoma Stewart's Canyon Comment
  CAS-BOT-BC457577  Fragaria vesca subsp. californica Mary P. Wells 1985-4-11 470 Sonoma west of ridge, off end of Pilot's Reach, The Sea Ranch Comment
  CAS-BOT-BC62972  Frangula californica subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE. end of town of Healdsburg on Reservoir Hill. 121 Comment
  CAS-BOT-BC540826  Frankenia Peter Rubtzoff 1970-5-30 6251 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC223363  Fraxinus John H. Thomas 1955-5-22 5183 Sonoma Along St. Helena Road and West Creek, 1.2 miles west of Sonoma-Napa County line, about 6 miles from St. Helena 457 Comment
  CAS-BOT-BC218584  Fraxinus latifolia Peter Rubtzoff 1957-6-28 3394 Sonoma Duncans Mills Marsh Comment
  UC22601  Fraxinus latifolia H. N. Bolander 1864-1 3855 Sonoma Bank of Russian River Russian River Comment
  JEPS55695  Fritillaria M. and A. Ackley 1967-4-26 Sonoma 2/3 way down from summit towards Oakville (Trinity Grade Road); Trinity Grade Road 304 Comment
  SEINET12050173  Fritillaria affinis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -200 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  JEPS83496  Fritillaria liliacea Jack and Betty Guggolz 1986-3-16 859 Sonoma California Comment
  UCD121716  Galium aparine Caitlin Lewis; William Mutch 1993-4-17 20 Sonoma Sugarloaf Ridge State Park. About 40 miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  SBBG29176  Galium divaricatum M. S. Baker 1947-5-12 11768 Sonoma SW slope of Hood Mt along horse trail from Gray Ranch 441 Comment
  SEINET12327833  Galium nuttallii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -168 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  UCD121890  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  JEPS52745  Galium porrigens var. porrigens Lauramay T. Dempster and Jean Colton 1963-8-5 3873 Sonoma 2 mi w Cloverdale (on road to Booneville); Alder Glen Springs Comment
  CHSC30057  Galium porrigens var. tenue Terrence Finn 1980-3-15 16 Sonoma Plant found just under Buzzard Rock. 85 Comment
  UCD121906  Galium porrigens var. tenue UC Davis Botany 102 Students 1993-4-17 49 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 Sugarloaf Ridge. Near group campground. Comment
  UCD121910  Galium porrigens var. tenue Adam Green 1994-5-1 1752 d Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  UC1192015  Galium trifidum Malcolm A. Nobs and S. Galen Smith 1949-8-1 1110 Sonoma bog 2 mi e Stewart's Point (on road to Geyserville) Comment
  RSA264739  Galium triflorum Peter Rubtzoff 1954-8-2 1616 Sonoma Duncans Mills Marsh. Comment
  UCD166078  Gamochaeta purpurea Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCR279603  Gamochaeta ustulata Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  RSA790994  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  UC727700  Garrya elliptica Milo S. Baker 1946-2-7 11261 Sonoma near Kenwood (Maplewood); Maplewood Comment
  UC1122675  Garrya flavescens J. B. Spring 1932-7-7 98 Sonoma 2/5 mi sw Veeder Mountain; Napa Quad. 609 Comment
  CAS-BOT-BC182160  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley near Chamberlain Place, Kenwood Region Comment
  CAS-BOT-BC278695  Gastridium phleoides J. W. Congdon 1880-8-22 s.n. Sonoma Santa Rosa Comment
  UCD66549  Gastridium phleoides Beecher Crampton 1964-8-18 7147 Sonoma N.e. Sonoma County: The Geysers, Big Sulphur Creek. Comment
  SEINET4571745  Gastridium phleoides L. Koch 1940-4-22 837 Sonoma Grassy hills above Sulfur Creek Geysers Comment
  UC38571  Gastridium ventricosum A. B. Leckenby July 1896 Sonoma Petaluma Comment
  UC38573  Gastridium ventricosum J. Burtt Davy July 1896 4017 Sonoma Russian River below Guerneville; Russian River Comment
  UCR248772  Gastridium ventricosum Peter Rubtzoff 1971-7-9 6599 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  UCSB4792  Gaultheria shallon Haller, John 1960-5-29 Sonoma 3.6 miles southeast of Stewarts Point settlement (road to Healdsburg), 11.8 miles northwest of Fort Ross on California 1 Comment
  HSC14656  Genista monspessulana S. N. Wiemeyer 1962-4-20 18 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  RSA28626  Gentiana affinis Annetta Carter, E. K. Crum 1941-6-22 1638 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  UC1084424  Gentiana sceptrum G. Thomas Robbins 1938-6-23 268 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  RSA0028535  Geranium dissectum I. L. Wiggins 1949-4-30 12068 Sonoma 4 miles west of Calistoga. Comment
  UCD15829  Geranium dissectum J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  SEINET7067224  Gilia capitata A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road. Coordinate datum: NAD27. Comment
  CAS-BOT-BC225281  Gilia capitata subsp. chamissonis Verne Grant; Alva Grant 1948-7-7 8598 Sonoma Sand dunes near Highway 1, eleven miles north of Bodega Comment
  SD60184  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Sand dunes, upper Bodega Bay. Comment
  UCD117705  Gilia capitata subsp. chamissonis Eric S. Ngay 1990-5-18 7 Sonoma Bodega Head, first dune ridge west of harbor along road, east of marine lab dorms, Bodega Bay. Comment
  UCD160144  Gilia tricolor James A. Neilson Jr. 1974-4-16 2871 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  OBI48604  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  UC1784202  Glebionis segetum Ethel Crum 1930-1 737 Sonoma Petaluma Comment
  CAS-BOT-BC227641  Glyceria Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh. 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
  RSA786491  Glyceria declinata Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mi E of the Laguna de Santa Rosa. Comment
  UCD166088  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  UCD66786  Glyceria declinata A. Swanson 1951-9-1 Sonoma Sebastopol. Comment
  CAS-BOT-BC282727  Glyceria elata Peter Rubtzoff 1951-6-17 280 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  UCR244672  Glyceria occidentalis Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa 24 Comment
  CAS-BOT-BC166749  Gnaphalium chilense Peter Rubtzoff 1959-9-19 4276 Sonoma Vacation Beach, near Guerneville at Russian River. Comment
  CAS-BOT-BC166761  Gnaphalium palustre Peter Rubtzoff 1976-10-16 s.n. Sonoma Russian River Beach at Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA13133  Gnaphalium palustre G. F. Hrusa, R. Gross 1996-6-3 13068 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  CAS-BOT-BC176134  Gnaphalium palustre Peter Rubtzoff 1951-9-3 740 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166708  Gnaphalium purpureum Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  CDA6006  Gnaphalium purpureum T. C. Fuller 1958-5-24 3986 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA800602  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD84290  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC305166  Grindelia hirsutula Walter Knight; Irja Knight 1963-9-1 315 Sonoma Asti Comment
  CAS-BOT-BC305188  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point road Comment
  UC1784138  Grindelia hirsutula Ethel Crum 1930-1 735 Sonoma Petaluma Comment
  UC75917  Grindelia hirsutula Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC305173  Grindelia hirsutula Robert M. King 1980-7-8 8413 Sonoma Generally 2 miles north of Bodega Bay Comment
  POM290375  Grindelia hirsutula Lyman Benson 1930-6-18 2167 Sonoma S of Santa Rosa; Mt. Range: North Coast; River [drainage]: S.F. Bay. 61 Comment
  POM261488  Grindelia stricta var. angustifolia H. E. Parks, S. T. Parks 1929-11 0411 Sonoma Tubbs Island. 0 Comment
Read comments
Feb 9 2015
  SD225730  Grindelia stricta var. angustifolia R. K. Brummitt 1997-6-10 19686 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach; below small headland, on rocks at top of sandy beach 0 Comment
  CAS-BOT-BC376285  Habenaria Greg de Nevers 1992-7-12 10217 Sonoma Field redacted by CAS, contact the data manager for more information 304 Comment
  UCD85231  Hainardia cylindrica John Thomas Howell 1930-6-8 5219 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  CAS-BOT-BC302252  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, first ravine above Kenwood Springs Comment
  UC584185  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma first ravine above Kenwood Springs; Adobe Canyon, Sonoma Creek Comment
  CDA37137  Hedera helix Chris Heintzelman 2012-4-13 PDR# 1596521 Sonoma Salt Point, approx. 1/2 mile north of Fisk Mill Cove, along Hwy 1. 0 Comment
  CAS-BOT-BC306767  Helenium bigelovii John Thomas Howell; J. W. Stacey 1936-7-26 12684 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  JEPS7068  Helenium bigelovii Peter Kamb 1950-6-16 1850 Sonoma 1 mi n Sousa Corners (n of Sebastopol, about springy bog toward s end of marsh); Pitkin Marsh 60 Comment
  CAS-BOT-BC262957  Helenium puberulum Peter Rubtzoff 1977-9-3 9123 Sonoma Perry Marsh. Comment
  UCR280186  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC309578  Helenium puberulum G. DeNevers 1981-6-18 1572 Sonoma Pepperwood Ranch. Pippindale Pond Comment
  CAS-BOT-BC309587  Helenium puberulum A. A. Heller 1902-7-1 5795 Sonoma At Sebastopol Comment
  POM260541  Helenium puberulum Roxana S. Ferris 1937-8-18 9374 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC314738  Helianthella californica var. californica Roger Raiche 1985-4-6 50176 Sonoma West of Healdsbrug, ridge on west side of Dry Creek Valley north of Dorman Canyon to Bradford Mt. area 243 Comment
  RSA80308  Helianthemum scoparium var. vulgare Anonymous 1947-5-30 11770 Sonoma Southwest slope of Hood Mt. in chaparral burn Comment
  UCD132968  Helminthotheca echioides H. S. Yates 1935-10-3 5343 Sonoma Santa Rosa. Comment
  CAS-BOT-BC173587  Hemizonia Peter Rubtzoff 1969-5-11 6031 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC268127  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  UCD166490  Hemizonia Peter Rubtzoff 1958-8-23 3921 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  UCR244621  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa, c. 1 mi east southeast of Sebastopol 17 Comment
  CAS-BOT-BC182781  Hemizonia Peter Rubtzoff 1969-5-24 6055 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  CAS-BOT-BC257687  Hemizonia Peter Rubtzoff 1962-7-28 5009 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCR45079  Hemizonia congesta L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  POM261036  Hemizonia congesta Alice Eastwood, J. T. Howell 1936-7-4 3822 Sonoma 2 miles N of Windsor. Comment
  CAS-BOT-BC306157  Hemizonia congesta subsp. clevelandii James I. McMurphy 1917-9-15 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC306247  Hemizonia congesta subsp. congesta James I. McMurphy 1909-8-8 701 Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  JEPS77885  Hemizonia congesta subsp. congesta Edward Lee 1934-4-30 751 Sonoma 1 mi w 2 Rock junction Comment
  UC990613  Hemizonia congesta subsp. congesta James I. McMurphy 1909-5-28 Sonoma 2 mi s Fulton Comment
  CAS-BOT-BC306218  Hemizonia congesta subsp. congesta H. M. Hall 1931-5-26 13079 Sonoma Six miles northwest of Petaluma Comment
  CAS-BOT-BC306238  Hemizonia congesta subsp. congesta J. McMurphy 1909-5-30 s.n. Sonoma Between Windsor & Healdsburg Comment
  UC990602  Hemizonia congesta subsp. congesta James I. McMurphy 1908-9-1 Sonoma near Fulton; George's Vineyard Comment
  UCD132983  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-4-30 1038 Sonoma north side of intersection of Occidental Road and Facendini Lane. Comment
  CAS-BOT-BC309675  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2649 Sonoma 2.5 mi. N. of Occidental Comment
  CAS-BOT-BC309686  Hemizonia congesta subsp. lutescens W. R. Dudley 1896-9-22 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309726  Hemizonia congesta subsp. lutescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UC990585  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-5-28 Sonoma 1 mi w Santa Rosa Comment
  CAS-BOT-BC309682  Hemizonia congesta subsp. lutescens Marian L. Campbell 1920-8-1 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC309722  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-10-1 6052 Sonoma Laguna on College Ave Hiwy Comment
  UC1518544  Hemizonia congesta subsp. lutescens Craig D. Thomsen 1976-6-27 247 Sonoma watershed of Estero de San Antonio Estero De San Antonio 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-BC309965  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-9 714 -A Sonoma 4-1/2 miles south of Santa Rosa Comment
  CDA7023  Hemizonia congesta subsp. luzulifolia T. C. Fuller 1961-10-13 7109 Sonoma Highway 101, 2 miles south of Asti. 0 Comment
  RSA0015420  Hemizonia congesta subsp. luzulifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  RSA169313  Hemizonia lutescens L. S. Rose 1964-8-26 64067 Sonoma 5 miles NE of Penngrove. 244 Comment
  OBI77797  Heracleum maximum David J. Keil 1983-6-29 17194 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  CAS-BOT-BC310214  Hesperevax sparsiflora var. sparsiflora Alice Eastwood 1921-5-8 10474 Sonoma Petaluma Comment
  LA6483  Hesperocyparis goveniana Milo S. Baker; 1934-3-25 7578 Sonoma Pine Flat Comment
  UC1212402  Hesperolinon spergulinum Herbert L. Mason 1946-7-4 12901 Sonoma 2 mi e Occidental; Inner North Coast Ranges Comment
  UC762263  Hesperolinon spergulinum Robert F. Hoover 1941-6-7 5317 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  UC980588  Heterocodon rariflorum Milo Baker 1936-5-29 Sonoma near Wright's School (on S<??> Hwy) Comment
  SEINET10460647  Heterocodon rariflorum P. Rubtzoff 1963-5-26 Rubtzoff 5133 Sonoma BENNETT MTN LAKE, VERNALLY WET PARTIALLY SHADED GROUND Comment
  UC688921  Heterotheca grandiflora Freed Hoffman 1943-12-1 Sonoma near Guerneville (Northwood); Russian River Comment
  CAS-BOT-BC311062  Heterotheca oregona var. oregona Mary P. Wells 1984-7-20 396 Sonoma In So. Fork Gualala River by The Sea Ranch Comment
  UCR222532  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2010-6-5 16245 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC420942  Heuchera micrantha var. diversifolia D. E. Breedlove 1980-6-27 44763 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC420946  Heuchera micrantha var. diversifolia G. DeNevers 1981-4-25 808 Sonoma Pepper wood Ranch. Main Pepperwood entrance, along shaded Creek bank Comment
  UC858049  Heuchera pilosissima M. V. Ott 1934-3-31 79 Sonoma Larkspur Hill, 3 mi w Bodega (near the coast) Comment
  SD64434  Heuchera pilosissima Darley F. Howe 1966-6-2 4262 Sonoma 5 miles south of Bodega Bay Comment
  UC1129900  Hoita macrostachya J. B. Spring 1932-6-21 79 Sonoma Hooker Canyon Napa Quadrangle 365 Comment
  RSA0009726  Hoita macrostachya Marcus E. Jones 1931-7-5 28969 Sonoma West of Cloverdale. Comment
  RSA168911  Hoita macrostachya Joseph P. Tracy 1951-7-28 19628 Sonoma In Alexander Valley, 5 miles east of Geyserville. Comment
  OBI78066  Hoita orbicularis Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood Comment
  NY11969  Hoita villosa A. A. Heller 1902-6-24 5761 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC227669  Holcus lanatus Peter Rubtzoff 1954-7-29 1605 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC280800  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UC1056243  Holcus lanatus Virginia E. Long 1930-9-13 6 a Sonoma about 10 mi n Cloverdale Comment
Read comments
Aug 15 2010
  CAS-BOT-BC164699  Holocarpha Peter Rubtzoff 1970-5-30 6252 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC320402  Holocarpha virgata James I. McMurphy 1910-6-7 s.n. Sonoma Between Napa Junction and Petaluma Comment
  UC1084468  Holodiscus discolor G. Thomas Robbins 1937-6-6 233 Sonoma 2-3 mi e of Bodega Bay Comment
  UCD160123  Holodiscus discolor James A. Neilson Jr. 1973-6-6 2996 Sonoma Mayacmas Mountains. The Geysers. 1/2 mile N of The Geysers Resort. (Elevation and coordinates estimated by label maker.) 731 Comment
  JEPS128298  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-16 022 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR255729  Holozonia filipes Greg de Nevers 1996-5-30 10834 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  RSA81603  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood. Comment
  NY114965  Hookera synandra A. A. Heller 1902-6-23 5742 Sonoma Petrified Forest Comment
  CAS-BOT-BC289291  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-4-30 1796 Sonoma Stony Point Marsh Comment
  UCSB50253  Hordeum brachyantherum subsp. brachyantherum Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 13 Comment
  CAS-BOT-BC285185  Hordeum marinum subsp. gussoneanum G. DeNevers 1981-5-9 1019 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead Comment
  RSA123428  Hordeum murinum subsp. glaucum R. W. Lundh 1932-7-19 118 Sonoma 1/2 mile W. Los Alamos School 518 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
  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
  CAS-BOT-BC536158  Horkelia californica John Thomas Howell 1930-7-27 5389 Sonoma Fort Ross Comment
  RSA731317  Horkelia tenuiloba Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  UC1085322  Horkelia tenuiloba J. Powell 1957-5-25 Sonoma 4 mi w Plantation Comment
  UC424851  Horkelia tenuiloba Milo S. Baker 1929-5-7 3457 ba Sonoma near Sebastopol Comment
  SD88314  Hosackia gracilis Darley F. Howe 1972-5-4 Sonoma 6.0 miles east of Highway 1 on road to Annapolis. Comment
  UCD106188  Hosackia stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma Vine Hill, W of Santa Rosa Comment
  UCD106191  Hosackia stipularis P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar Ranch. Comment
  CDA34812  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mile mark, ~2.53 km, E143 deg. S of Forestville, along W side of highway. Comment
  CAS-BOT-BC290631  Hypericum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville. Comment
  JEPS128179  Hypericum concinnum Roger Raiche 2001-5-17 022 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  SEINET11987351  Hypericum concinnum W. Knight, Knight, I. 1981-1 Sonoma 4.1 mi up Cavedale Road from jct of state rt. 12 Comment
  SEINET5501095  Hypericum concinnum Sally Walker 1981-5-18 Sonoma Franz Valley Rd, .10 mi S of F.V. School Rd. Comment
  UCR253373  Hypericum perforatum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC401290  Hypericum perforatum Peter Rubtzoff 1956-9-16 2922 A Sonoma Vacation Beach, near Guerneville Comment
  JEPS36533  Hypochaeris glabra M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Guerneville; Russian River Comment
  UC571179  Iris douglasiana H. L. Mason 1928-4-8 4282 Sonoma Fort Ross Comment
  UC905118  Iris fernaldii Milo S. Baker 1947-4-22 11702 Sonoma n of Kenwood (Gray Ranch, above ranch buildings) Comment
  CAS-BOT-BC133677  Iris longipetala Peter Rubtzoff 1958-5-3 3625 Sonoma Atascadero Creek Marsh Comment
  UC972202  Iris longipetala J. Harry Goff 1935-4-25 Sonoma Kenwood; Goff Ranch Comment
  CDA131  Iris macrosiphon D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .28 Sonoma Cavedale Rd. Comment
  SEINET7883381 Image available Iris macrosiphon Laura Zeller 1965-1 2 Sonoma Ca. 1.5 miles E of Highway 12 on Cavedale Road 198 Comment
  CAS-BOT-BC376226  Isoetes Greg de Nevers 1993-2-14 10312 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Bald Hills 304 Comment
  UC810503  Isoetes howellii John Thomas Howell 1937-6-6 13015 Sonoma Sebastopol Comment
  HSC100969  Isoetes howellii Peter Warner 2011-5-27 208 Sonoma Cresta Ranch, Cresta Rd. (off Mark West Springs Rd. at Mark West Lodge), ~1.6 km E of this junction on N edge of road. 0 Comment
  JEPS121159  Isolepis carinata Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18594 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  RSA114299  Isolepis carinata J. T. Howell 1957-6-13 32620 Sonoma Pitkin Marsh. Comment
  SD134069  Isolepis carinata Peter Rubtzoff 1963-5-26 5140 Sonoma Bennett Mountain Lake, vernally wet, partially shaded ground. Comment
  SEINET7589075 Image available Isolepis carinata John Thomas Howell 1937-6-6 13027 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC112569  Isolepis cernua Peter Rubtzoff 1962-8-22 5059 Sonoma Bodega Bay Marsh. Comment
  RSA0011155  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles east of Guerneville, along Russian River at Forest Hills. Comment
  UCD142837  Juncus G. F. Hrusa; R. Gross 1996-6-30 13061 Sonoma 2 mi. SW of Calistoga. Diamond Mountain Road. 700 Comment
  CAS-BOT-BC177803  Juncus Walter Knight; Irja Knight 1968-1-1 2266 Sonoma Geyser Resort Comment
  CAS-BOT-BC322122  Juncus arcticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh. Comment
  UCR250390  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh Comment
  UCD166091  Juncus balticus subsp. ater Peter Rubtzoff 1971-7-9 6595 Sonoma Five miles north of Sears Point. Comment
  SEINET3877577  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa.; 0 Comment
  UC2506  Juncus bufonius var. bufonius J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  RSA94318  Juncus bufonius var. bufonius Peter Rubtzoff 1951-7-14 445 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC361401  Juncus capitatus Greg de Nevers 1993-5-6 10430 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Weimar Flat 457 Comment
  RSA22444  Juncus covillei J. T. Howell 1937-7-4 13078 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC182750  Juncus dubius Peter Rubtzoff; Betty Lovell 1975-8-11 8314 Sonoma Kenwood Marsh Comment
  RSA94088  Juncus dubius J. T. Howell 1945-7-18 21326 Sonoma Pitkin Marsh Comment
  CDA31034  Juncus effusus D. G. Kelch, Troy McGregor 2010-8-22 10 .338 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC164065  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mills Marsh. Comment
  UCD144658  Juncus effusus subsp. pacificus Frederica Bowcutt 1994-5-1 1781 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco,10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Campground S of Sonoma Creek about 150 yards. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UCR244513  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5904 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  UCR244633  Juncus hesperius Peter Rubtzoff 1968-7-13 5919 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC327188  Juncus lescurii Peter Rubtzoff 1954-7-26 1554 Sonoma Coleman Marsh. Comment
  UCR248733  Juncus lescurii Peter Rubtzoff 1954-7-26 1554 Sonoma Coleman Marsh, along Salmon Creek 3 Comment
  UCR248765  Juncus lescurii Peter Rubtzoff 1962-10-9 5117 Sonoma Lower Salmon Creek Marsh 6 Comment
  RSA94317  Juncus mexicanus Peter Rubtzoff 1951-9-2 717 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  SD99416  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12, ca. 3 miles west of Guerneville, along Russian River. Sand bar in river. 14 Comment
Read comments
Jun 25 2020
  UC143742  Juncus patens A. A. Heller 1902-6-27 5778 Sonoma w of Windsor (near Russian River) Comment
  UCD35508  Juncus patens Beecher Crampton 1957-7-22 4389 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UC589957  Juncus phaeocephalus var. paniculatus H. S. Yates 1936-5-16 5596 Sonoma 2 mi se Forestville; Sebastopol Quad., Pitkin Marsh 30 Comment
  UCD85986  Koeleria macrantha R. Tofsrud 1941-5-1 121 Sonoma Santa Rosa. Comment
  CAS-BOT-BC340661  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC341707  Lagophylla ramosissima John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53963 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC341711  Lagophylla ramosissima James I. McMurphy 1909-7-10 503 Sonoma Hills near Cloverdale Comment
  UCR2505  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Stewart's ('Steward') Point 30 Comment
  SFV18518  Lamarckia aurea G. Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area. Austin Creek Trail. 177 Comment
  CAS-BOT-BC486685  Lamiaceae Peter Rubtzoff 1957-6-28 3374 Sonoma Duncans Mills Marsh Comment
  UCD124932  Lamium purpureum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 61 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 195 Comment
  JEPS83494  Lasthenia burkei Jack and Betty Guggolz 1985-5-7 832 703 B Sonoma n of Fulton (in the first swale e of the Freeway and s of Shilo Road) 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
  UC90026  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Bodega Point Comment
  UCD158815  Lasthenia californica subsp. californica James A. Neilson Jr. 1974-4-17 3056 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  JEPS120460  Lasthenia californica subsp. macrantha Daniel Slakey 2013-8-11 61 Sonoma Salt Point State Park, about 0.5 mile north of Salt Point along the Salt Point Trail. Comment
  RSA42049  Lasthenia macrantha subsp. macrantha Ella Dales Cantelow 1938-5-7 s.n. Sonoma 2.5 miles N of Bodega Comment
  CAS-BOT-BC370853  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  JEPS18020  Lasthenia minor George B. Rossbach 1955-3-19 516 Sonoma sw end Bodega Head 30 Comment
  RSA783474  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive Comment
  RSA783476  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area Comment
  UCD164991  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  UCD165121  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area. Comment
  SEINET956151  Lathyrus polyphyllus Carl B. Wolf 1934-1 5799 Sonoma 6/10 mi. Inland from Stwearts Pt. Redwood forest floor, semishade. Comment
  CAS-BOT-BC361424  Lathyrus sphaericus Greg de Nevers 1996-6-3 10824 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Martin Creek 400 Comment
  RSA0060103  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 100 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
  NY15643  Lathyrus venosus var. californicus J. Torrey 1865-1 Sonoma Sonoma Valley Comment
  SEINET12165541  Lathyrus vestitus subsp. bolanderi F. H. Utech 1986-1 86 -119 Sonoma ca 6 mi NE on Cavedale Road 600 Comment
  UC15379  Lathyrus vestitus var. vestitus State Survey 1862-4-18 966 Sonoma near Sonoma Comment
Read comments
Jan 20 2011
  UCR244751  Layia Peter Rubtzoff 1969-6-15 6085 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  SEINET7067252  Layia chrysanthemoides A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC323234  Layia chrysanthemoides A. A. Heller; H. E. Brown 1902-4-23 5355 Sonoma Near Sonoma Comment
  CAS-BOT-BC323253  Layia chrysanthemoides Wayne Roderick 1967-5-7 s.n. Sonoma 2 miles E of Petaluma 15 Comment
  POM953187  Layia chrysanthemoides Ivar Tidestrom 1895-6-13 s.n. Sonoma [Unspecified] Comment
  SEINET5181835  Layia chrysanthemoides Unknown 1935-5-24 1090 Sonoma 6.2 mi S of Jenner Comment
  SEINET3071642 Image available Layia chrysanthemoides subsp. maritima J. C. Clausen 1935-5-24 1090 Sonoma 6.2 mi. S. of Jenner Comment
  UC584208  Layia gaillardioides David D. Keck 1935-6-15 3379 Sonoma Russian River Comment
  CAS-BOT-BC379624  Layia platyglossa Alice Eastwood 1915-6-29 4836 Sonoma Bodega Point Comment
  RSA0001366  Layia platyglossa Jens Clausen 1935-5-24 1094 Sonoma 6.5 miles S. of Jenner. Comment
  SD260873  Leersia oryzoides Peter Rubtzoff 1973-9-4 7298 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. In shallow water near the margin, in the open. Comment
  CAS-BOT-BC210107  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  RSA785223  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  CAS-BOT-BC534368  Lemna minor Greg de Nevers 1992-6-26 10205 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road along Franz Creek 91 Comment
  UC1019908  Lemna minuscula Peter Rubtzoff 1951-6-17 287 Sonoma Pitkin Marsh near Forestville; Pitkin Marsh Comment
  CAS-BOT-BC527277  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC527288  Lemna minuta Mary P. Wells 1984-8-9 437 Sonoma Sagpond near airstrip, Timber Ridge Road, The Sea Ranch Comment
  RSA0025211  Lemna minuta Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC534919  Lemna turionifera Peter Rubtzoff 1951-8-19 652 Sonoma Pitkin Marsh, near Forestville Comment
  RSA0065912  Lemna valdiviana Peter Rubtzoff 1958-6-1 3686 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  RSA0065913  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh. Comment
  UCR255881  Lepidium latifolium Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Hwy 37 1 Comment
  CHSC28849  Lepidium nitidum Jane A. Rogers 1979-4-14 9 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/4 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  UCSC000315  Lepidium nitidum I. J. Condit 2013-3-7 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC12759  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma. Comment
  POM182701  Lepidium oxycarpum D. D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  UC10632  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC273993  Leptochloa fusca subsp. fascicularis John Thomas Howell 1957-9-26 32978 Sonoma Sandy Russian River bottom near Guerneville Comment
  CAS-BOT-BC226541  Leptosiphon acicularis F. P. Bailey 1925-4-26 85 Local Sonoma Geyserville Comment
  CAS-BOT-BC376243  Leptosiphon androsaceus Greg de Nevers 1992-4-28 10117 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 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
  JEPS117075  Leptosiphon androsaceus Peter Warner 2010-5-6 144 Sonoma Annadel State Park, in grassland along Canyon Trail, ~750 m W of junction with Marsh Trail, ~950 m W of dam at Lake Ilsanjo Comment
  CAS-BOT-BC226702  Leptosiphon jepsonii G. DeNevers 1981-5-15 1205 Sonoma Pepperwood Ranch. Grazed shore of Hansel's Lake Comment
  JEPS87255  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1338 Sonoma 3/8 mi nne of the quarry on the highway about 1 3/4 mi nw of Camp Meeker 146 Comment
  SEINET1782117  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  CAS-BOT-BC341997  Lessingia ramulosa J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  UC1299301  Lessingia ramulosa Freed W. Hoffman 1947-9-5 1385 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  CAS-BOT-BC342000  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
  JEPS14293  Ligusticum apiifolium Rimo Bacigalupi with G. T. Robbins and Fran Chisaki 1956-4-17 5586 Sonoma on rd. between Santa Rosa and Calistoga (along Rincon Grade, n. of Rincon Valley) 213 Comment
  UC32501  Ligusticum apiifolium W. C. Blasdale 1894-6-8 Sonoma Kenwood Comment
  CAS-BOT-BC451698  Lilaea scilloides John Thomas Howell 1930-6-8 5238 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  CAS-BOT-BC451705  Lilaea scilloides Greg de Nevers 1992-5-5 10142 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  UC1191232  Lilium occidentale Herbert L. Mason 1946-7-4 12893 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
Read comments
Dec 13 2006
  CAS-BOT-BC130833  Lilium pardalinum Peter Rubtzoff 1955-7-17 1971 Sonoma Guerneville Marsh Comment
  JEPS19609  Limnanthes douglasii W. L. Jepson 1921-5-6 9187 Sonoma Porter Creek Comment
  UCD35883  Limnanthes douglasii Beecher Crampton 1966-5-10 7730 Sonoma 6.5 miles n. of Sonoma, State Hwy. 12. Comment
  UCD116509  Limnanthes douglasii W. L. Jepson 1914-4-11 5804 Sonoma Sonoma Valley. 35 Comment
  RSA177974  Limnanthes douglasii subsp. nivea Robert F. Thorne 1965-4-19 34274 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UC635633  Limnanthes douglasii subsp. nivea H. L. Mason 1926-3-20 2746 Sonoma marshes s Calistoga (along railroad right-of-way) Comment
  CAS-BOT-BC123077  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Rd., 1.4 mi from Hwy 116 and 0.6 mi. from Llano Rd. Comment
  UCD150131  Limnanthes vinculans Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  CAS-BOT-BC258915  Limosella Peter Rubtzoff 1970-8-18 6310 Sonoma 5 miles north of Sears Point. Comment
  UCR279882  Limosella acaulis Peter Rubtzoff 1964-8-20 5469 Sonoma 1 mile southeast of Jenner; near crossing of Hwys 1 & 12 4 Comment
  UC1301138  Linanthus androsaceus Helen K. Sharsmith 1963-5-25 5492 Sonoma near Bodega Bay; San Francisco Bay Region 30 Comment
  SEINET12329973  Linanthus androsaceus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -195 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UC907842  Linanthus bicolor Herbert L. Mason 1943-4-16 12569 Sonoma about 10 mi above Sonoma Comment
  UC908664  Linanthus jepsonii Herbert L. Mason 1940-5-21 12293 Sonoma Head of Maycama Creek Knights Valley Comment
  CAS-BOT-BC540822  Linum Peter Rubtzoff 1974-6-2 7522 Sonoma Upper Green Valley Marsh. Comment
  POM298415  Linum angustifolium H. C. Cantelow 1941-6-7 s.n. Sonoma 5-1/2 miles south of Bay, State Hwy. 1. Comment
  CAS-BOT-BC26043  Linum spergulinum H. N. Bolander 1867-6-1 s.n. Sonoma Cloverdale Comment
  UCD81453  Lithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  UC11884  Lithophragma affine Alice King Apr. 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC430978  Lithophragma bolanderi A. A. Heller; H. E. Brown 1902-4-18 s.n. Sonoma Fields East of Santa Rosa Comment
  UCD102737  Lithophragma heterophyllum M. Wiesendanger 1927-5-5 735 Sonoma Kenwood Springs. Comment
  JEPS47676  Lithophragma heterophyllum Willis L. Jepson 1893-5-1 13473 Sonoma hills between Calistoga and road to Knight's Valley (Napa River Basin); , btw Calistoga and rd to Knight's Valley Comment
  CAS-BOT-BC283288  Lolium multiflorum Peter Rubtzoff 1951-7-7 380 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  CAS-BOT-BC283291  Lolium multiflorum Peter Rubtzoff 1951-6-17 276 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  SEINET10592055  Lolium temulentum A. Arthur Heller 1902-6-10 Heller 5679 Sonoma Santa Rose. Comment
  JEPS81825  Lomatium californicum Edward Lee with W. A. Setchell 1936-6-8 2208 Sonoma Belvedere, Bohemian Grove Comment
  SD130502  Lomatium californicum F. Almeda, G. DeNevers 1981-4-28 4907 Sonoma Approximately I(c) mile from main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Road Comment
  SD58303  Lomatium caruifolium W. L. Jepson 1921-6-2 9297 Sonoma Windsor. 49 Comment
  SEINET7042396  Lomatium dasycarpum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  SEINET8465377 Image available Lomatium dasycarpum Lincoln Constance 1953-4-4 Sonoma Mark West road, 1 mile southwest of Petrified Comment
  UC923162  Lomatium dasycarpum subsp. dasycarpum Freed W. Hoffman 1950-5-27 3284 Sonoma N. Coast Ranges, Fred McMurray Ranch Comment
  UCD127044  Lomatium dasycarpum subsp. dasycarpum Frederica Bowcutt 1994-5-21 1806 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail, approx. 3/8 mile from trailhead. 1300 Comment
  RSA0051266  Lomatium hallii Greg de Nevers 1993-5-10 10443 Sonoma Harrison Grade. 182 Comment
  UC1299237  Lomatium marginatum var. purpureum Freed W. Hoffman 1949-6-5 3212 Sonoma Lincoln Rock, on Lake County--Pine Flat road North Coast Ranges 685 Comment
  SJSU10970  Lomatium nudicaule T. A. Wayne 1962-4-21 Sonoma Bennett Valley by Bennett Valley Rd 3 mi S of Santa Rosa Comment
  CAS-BOT-BC217806  Lomatium repostum G. L. Stebbins 1966-5-1 6390 Sonoma Rincon Ridge north of Santa Rosa Comment
  UCD127806  Lomatium utriculatum Gerry North 1993-3 33 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. 50 meters east of foot bridge, across from dumpster. 365 Comment
  CAS-BOT-BC240648  Lonicera hispidula Mrs. E. C. Sutliffe 1920-8-1 s.n. Sonoma Annapolis Comment
  UCD137325  Lonicera hispidula C. Wistrom 1996-5-26 27 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  JEPS77875  Lonicera involucrata var. ledebourii Robert M. Lloyd 1965-5-8 3638 Sonoma about 4 mi n Route 116 (Llano Road, upper portion of marsh, e of Cunningham, se of Sebastopol); Laguna de Santa Rosa Marsh Comment
  UC1125276  Lonicera involucrata var. ledebourii H. S. Yates 1934-4-21 3803 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  CAS-BOT-BC540843  Lotus Peter Rubtzoff 1974-5-18 7423 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llany Road Comment
  SEINET12165325  Lotus crassifolius Unknown 1985-1 RR 50572 Sonoma W side of Dry Creek Valley, N of Crane Ck, S of Bradford Mt, headwaters of Wine Crk 305 Comment
  UC75639  Lotus formosissimus Miss Emma Lobenstein 1906-1-1 Sonoma Valley Ford Comment
  UCR44916  Lotus humistratus L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UC1300860  Lotus micranthus Helen K. Sharsmith 1963-5-25 5475 Sonoma from Freestone to Occidental; San Francisco Bay Region 121 Comment
  SEINET3729647  Lotus purshianus A. A. Heller 1941-8-8 16278 Sonoma West of Petrified Forest Comment
  SEINET8721506 Image available Lotus purshianus Unknown s d 38255 Sonoma Bloomfield 30 Comment
  UC598643  Lotus purshianus var. purshianus John Bright 1936-5-2 13422 Sonoma near Healdsburg Comment
  UC80761  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hoods Peak Comment
  SEINET3694616 Image available Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma North of Bodega Bay Comment
  RSA31789  Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma Bluff north of Bodega Bay. Comment
  UCD65993  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 33 -LU Sonoma Laguna Wildlife Area, Laguna de Santa Rosa at Blucher Creek Confluence. California Dept. of Fish and Game. Downstream of Todd Road bridge, Laguna de Santa Rosa south of Sebastopol, CA. 22 Comment
  UCD66025  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66026  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66045  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 54 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  UCD66046  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 55 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  CAS-BOT-BC251189  Ludwigia palustris Peter Rubtzoff 1956-9-15 2910 Sonoma Atascadero Creek Marsh. Comment
  UC1714538  Ludwigia palustris Michener and Bioletti 1892-7-24 Sonoma Glen Ellen Comment
  UC73309  Ludwigia palustris Miss M. Alice King Sept. 1896 Sonoma near Healdsburg Comment
  UCD164978  Ludwigia palustris Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  RSA94087  Ludwigia palustris var. pacifica J. T. Howell 1945-8-14 21386 Sonoma Perry Marsh Comment
  UCD148388  Ludwigia peploides Peter Rubtzoff 1956-9-11 2844 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR280184  Ludwigia peploides Peter Rubtzoff 1958-7-20 3782 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  UCD65949  Ludwigia peploides subsp. peploides B. J. Grewell 2006-9-19 06- 73 -LU Sonoma Spring Lake, Sonoma County Park. Santa Rosa, CA. Shoreline near kayak rental and concession area. 89 Comment
  CAS-BOT-BC201226  Lupinus A. A. Heller 1937-5-1 s.n. Sonoma Base of the bluff north of the town of Bay, Bodega Bay Comment
  UCD21133  Lupinus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 308 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD004. UTMs 10S0519470; 4248711. Comment
  JEPS57129  Lupinus albifrons L. R. Heckard 1967-5-7 1593 Sonoma w of summit Hood Peak; w of summit of Hood Peak 792 Comment
  UC1129274  Lupinus albifrons E. Armstrong 1934-3-26 929 Sonoma 2 mi nw Camp Meeker; Sebastopol quad 91 Comment
  SEINET12164398  Lupinus albifrons F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -104 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  UC725889  Lupinus albifrons var. albifrons A. A. Heller 1940-5-17 15632 Sonoma about 2 mi e Bodega Bay; e of Bodega Bay Comment
Read comments
Jan 27 2007
  HSC42043  Lupinus arboreus S. Saufferer 1973-5-24 216 Sonoma Bodega Bay Comment
  SD39021  Lupinus arboreus Edith A. Purer 1932-7-21 4035 Sonoma Bodega Bay, sandy bluff Comment
  UC82055  Lupinus arboreus Michener and Bioletti May 1894 Sonoma Bodega Bay Comment
  UC865419  Lupinus arboreus Lewis S. Rose 1939-4-2 39052 Sonoma Duncan Mills, Russian River 30 Comment
  UCR248892  Lupinus bicolor Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  SEINET10903859  Lupinus formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7084 Sonoma On n-facing grassy clay bank, .6 mi w of sonoma-napa co line on hwy 121. 61 Comment
  UC201962  Lupinus formosus Milo S. Baker May 1899 Sonoma on Occidental Road Green Valley near Gallager's Green Valley Comment
  CAS-BOT-BC8359  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley Comment
  UC479108  Lupinus luteolus Marcus E. Jones, A. M. 1931-7-5 28954 Sonoma The Geysers Comment
  UC155230  Lupinus microcarpus var. densiflorus Katharine Brandegee 1907-6-30 Sonoma Cliffs near Bodega Bay; Cliffs near Bodega Bay Comment
  UC1084473  Lupinus microcarpus var. microcarpus G. Thomas Robbins 1937-6-6 239 Sonoma along roadside near Bodega Bay; near Bodega Bay Comment
  UC201918  Lupinus microcarpus var. microcarpus Milo S. Baker Sonoma Dillon's Beach Comment
  UC931976  Lupinus microcarpus var. microcarpus Verne Grant, Alva Grant 1947-5-4 7951 Sonoma on highway to Sebastopol 4 mi e Bodega Bay; e of Bodega Bay Comment
  SD130431  Lupinus nanus F. Almeda, G. DeNevers 1981-3-30 4887 Sonoma Pepperwood Ranch; summit and east-facing slope of Three Tree Hill. Comment
  UC82220  Lupinus pachylobus Alice Eastwood 1900-4-7 Sonoma Altruria 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
  SEINET10870696  Lupinus succulentus Joseph W. Congdon 1880-5-2 Congdon s.n. Sonoma Comment
  JEPS85895  Lupinus tidestromii Jack and Betty Guggolz 1991-5-27 1153 Sonoma coastal dunes between the mouth of the Russian River and Goat Rock; btw the mouth of the Russian River and Goat Rock 6 Comment
  UCD164189  Luzula Peter Rubtzoff; Nancy Harrison 1978-6-11 9205 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  UCD166736  Luzula Peter Rubtzoff 1955-6-4 1900 Sonoma Forestville Marsh. Comment
  UC1133753  Luzula comosa H. S. Yates 1936-5-16 5591 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  CAS-BOT-BC436731  Luzula comosa var. comosa Alice Eastwood 1915-1-1 s.n. Sonoma Bodega Point Comment
  CHSC20576  Luzula macrantha Robert A. Schlising 1962-3-31 2129 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  CAS-BOT-BC441392  Luzula subsessilis Peter Rubtzoff 1953-5-17 1373 Sonoma Vacation Beach, near Guerneville Comment
  CDA18035  Lythrum hyssopifolia R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  RSA0016032  Lythrum tribracteatum Peter Rubtzoff 1970-8-18 6308 Sonoma Five miles north of Sears Point. 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
  UCD160118  Madia anomala James A. Neilson Jr. 1973-6-3 3163 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
  RSA81574  Madia capitata James I. McMurphy 1909-8-8 702 Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  CAS-BOT-BC344050  Madia elegans John Thomas Howell 1930-7-13 5341 Sonoma Black Point Road Comment
  HSC100974  Madia elegans Peter Warner 2011-8-10 225 Sonoma Jenner Headlands Property, Upper Russian Gulch Pasture, N of power line overcrossing. 227 Comment
  RSA81535  Madia elegans subsp. elegans James I. McMurphy 1908-9-27 s.n. Sonoma 2 miles south of Fulton Comment
  CAS-BOT-BC344549  Madia exigua Peter Rubtzoff 1952-6-10 1207 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  SD254541  Madia exigua Ann Howald, Christina Freeman 2015-1-1 3414 Sonoma Inner North Coast Ranges: Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails (Kenwood 7.5'Q) 370 Comment
  UCD136442  Madia exigua M. Rei Scampavia Evangelista 2012-5-20 12 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  UCR25294  Madia exigua John C. Roos 1957-7-2 6649 Sonoma Miller Ridge Comment
  UCSB45559  Madia exigua Roos, John 1957-7-2 Sonoma Miller Ridge Comment
  CAS-BOT-BC343447  Madia gracilis Peter Rubtzoff 1952-6-10 1234 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  JEPS128310  Madia gracilis Roger Raiche 2000-5-27 106 .00 Sonoma The Cedars, road into The Cedars at bridge (before 2nd crossing. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC343467  Madia gracilis G. DeNevers 1981-5-30 1341 Sonoma Pepperwood Ranch. In creekbed N of Hansel's corral Comment
  POM231097  Madia nutans Jens Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Springs. Comment
  CAS-BOT-BC345218  Madia sativa H. M. Hall 1931-5-26 13080 Sonoma Sonoma Valley Comment
  CAS-BOT-BC345256  Madia sativa Peter Rubtzoff 1951-8-4 580 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  RSA785885  Madia sativa Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  SD88309  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Road. Comment
  CAS-BOT-BC290639  Malva Peter Rubtzoff 1972-5-25 6754 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC348033  Mantisalca salmantica M. A. King 1897-8-1 s.n. Sonoma Healdsburg Comment
  UCD125013  Marrubium vulgare M. Barbour 1970-11-30 s.n. Sonoma Bodega Marine Station. Comment
  CAS-BOT-BC348213  Matricaria discoidea Peter H. Raven 1950-4-6 1578 Sonoma Cotati to Santa Rosa 152 Comment
  CAS-BOT-BC268063  Medicago Peter Rubtzoff 1973-8-21 7246 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC262977  Medicago Peter Rubtzoff 1968-8-31 5945 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC269514  Melica californica John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54659 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  UCD151224  Melica californica James A. Neilson Jr. 1974-5-17 2977 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, along road to PG and E geothermal units 9 and 10, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  SEINET10599366  Melica californica A. Arthur Heller 1902-4-9 Heller 5246 Sonoma In a railroad cut 3 miles south of Healdsburg. Comment
  UCD87215  Melica californica R. Tofsrud 1941-4-1 294 Sonoma McDonald Reservoir. Comment
  HSC10346  Melica geyeri Leo Koch 1940-4-24 843 Sonoma 1 mi. N of two and one half mile junction from Kenwood and Glen Ellen in Bennett Valley. Comment
  SACT001511  Melica geyeri M. Wiesendanger 1927-5-5 Sonoma Comment
  SEINET261375 Image available Melica imperfecta P. G. Connors 1990-5-24 15 Sonoma Bodega Head. Bodega Marine Station 1150N 4850E Comment
  CAS-BOT-BC262553  Melica torreyana G. DeNevers 1981-4-4 629 Sonoma Pepperwood Ranch. By Studio Comment
  CAS-BOT-BC262562  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi. north of Sonoma 60 Comment
  CAS-BOT-BC262566  Melica torreyana G. DeNevers 1981-5-9 1099 Sonoma Pepperwood Ranch. E of Gate to Redwoods Comment
  UC1146646  Melica torreyana Freed W. Hoffman 1941-6-1 2187 Sonoma Oregon Canyon; North Coast Ranges Comment
  UCD160754  Melica torreyana James A. Neilson Jr. 1975-5-23 3215 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET6205052  Melica torreyana L. S. Rose 1965-1 65022 Sonoma 1 mi N of Sonoma Comment
  CAS-BOT-BC268072  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  HSC15018  Melilotus indicus S. N. Wiemeyer 1962-4-20 30 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC166970  Mentha Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC164083  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  RSA785218  Mentha Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh. Comment
  RSA785663  Mentha Peter Rubtzoff 1966-10-9 5831 Sonoma Brooks Gulch Marsh. Comment
  UCD148432  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River. Comment
  JEPS117114  Mentha aquatica Peter Warner 2010-7-29 173 Sonoma Lower Pitkin Marsh, along primary drainage channel, near NE property boundary. Comment
  JEPS63448  Mentha pulegium W. L. Jepson 1903-10-4 2363 Sonoma near Monte Rio (Bohemian Club Grove, moist bed of winter pond); Bohemian Club Grove Comment
  UC883402  Mentha pulegium Lewis S. Rose 1938-9-11 38253 Sonoma Bloomfield 30 Comment
  PASA1168  Mentha pulegium Frank W. Peirson 1925-8-8 Sonoma 5 miles east of Santa Rosa Comment
  SDSU7036  Mentha pulegium D. F. Howe 1962-7-8 3359 Sonoma Mark West Creek, 3.4 miles east of #101, Sonamo Co. Comment
  UC727708  Mentha spicata Milo S. Baker 1946-8-17 11567 Sonoma hiwy between Sebastopol and Cunningham Comment
  CAS-BOT-BC164691  Mentha spicata Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh. Comment
  RSA784548  Mentha spicata Peter Rubtzoff 1960-9-14 4557 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  UCD165333  Mentha suaveolens Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  JEPS87221  Mentzelia dispersa Jack and Betty Guggolz 1992-6-13 1314 Sonoma e Geyserville; Black Mountain, Anderson Trail; on the west side of Black Mountain NW 1/4 of NW1/4 615 Comment
  UCD102803  Micranthes californica Frederica Bowcutt 1996-3-24 2092 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  CAS-BOT-BC428951  Micranthes californica G. H. Mallory 1920-3-29 s.n. Sonoma Grade on east side of Rincon Valley six miles east of Santa Road Comment
  RSA201428  Micropus amphibolus J. T. Howell 1965-3-25 s.n. Sonoma 3 miles southeast of Sonoma 76 Comment
  CAS-BOT-BC348626  Micropus californicus var. californicus David D. Keck 1933-5-28 2325 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  CAS-BOT-BC348622  Micropus californicus var. californicus H. L. Mason 1934-4-28 8090 Sonoma Jensen's Ranch (near orchard), Dohrmann Creek Comment
  CAS-BOT-BC322753  Microseris paludosa Alice Eastwood; John Thomas Howell 1936-5-19 2511 Sonoma 2 miles north of Windsor Comment
  SDSU4773  Microseris paludosa D. F. Howe 1963-7-3 3592 Sonoma 20 miles north of junction with #12 on #1. Comment
  CAS-BOT-BC320530  Mimulus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh. Comment
  RSA0025399  Mimulus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head Marsh. Comment
  UCD38481  Mimulus aurantiacus Beecher Crampton 1955-6-17 2969 Sonoma Fort Ross. Comment
  UCR265126  Mimulus aurantiacus Ann Howald 2015-4-1 3319 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  JEPS27319  Mimulus aurantiacus var. aurantiacus Eleanor Armstrong May 1932 503 Sonoma near Camp Meeker 121 Comment
  SEINET12337138  Mimulus bolanderi Unknown 1986-1 60284 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 0.5 mi N of Ida Clayton Rd 747 Comment
  UCD101290  Mimulus cardinalis Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 450 Comment
  POM5080  Mimulus cardinalis Michener, Bioletti 1893-06 s.n. Sonoma Adobe Canyon Comment
  UCD122502  Mimulus cardinalis Frederica Bowcutt 1994-7-5 1935 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground, just N of bridge to campfire center. 381 Comment
  RSA535758  Mimulus douglasii David M. Thompson 1989-4-4 995 Sonoma 1.1 mi N of Porter Creek Road along Franz Valley Road. 30 ft S of (and opposite) 900 Franz Valley Road residence gate. 305 Comment
  UC70353  Mimulus guttatus Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UC625484  Mimulus kelloggii Frank W. Gould 1938-4-3 124 Sonoma w Calistoga (1 1/2 mi w of Petrified Forest) 274 Comment
  UC1042504  Mimulus microphyllus Peter Rubtzoff 1951-6-2 104 Sonoma near Forestville (w branch of marsh); Pitkin Marsh 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
  UC8088  Minuartia californica State Survey 1862-4-18 975 Sonoma near Sonoma Comment
  RSA177976  Minuartia douglasii R. F. Thorne 1965-4-19 34307 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. Comment
  UCD167560  Monardella James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. On Squaw Creek. 1/4 mile from Black Hawk Ranch. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  CLARK-A1528-3154  Monardella villosa John C. Roos 1950-7-22 4868 Sonoma Jenner 30 Comment
  SEINET4173672 Image available Monardella villosa Annetta Carter, Ethel Crum 1941-6-22 1641 Sonoma 3.3 miles east of Bay (Bodega Bay). Comment
  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
  CAS-BOT-BC314162  Monardella villosa subsp. subserrata John Thomas Howell 1929-6-30 4316 Sonoma 6 miles from Petrified Forest on road to Knights Valley. Comment
  RSA0022780  Monardella villosa subsp. subserrata L. S. Rose 1965-7-3 65081 Sonoma 2 mi. north of Sonoma. 274 Comment
  UCLA62411  Monardella villosa subsp. villosa unknown 1841-1-1 Sonoma Bodega Comment
  RSA518858  Monardella viridis Roger Raiche 1987-7-5 70380 Sonoma N of Cazadero, The Cedars, Big Austin Creek drainage, between Gravelly Springs and Red Slide Creek. 305 Comment
  CAS-BOT-BC445004  Montia fontana Peter Rubtzoff 1966-4-30 5690 Sonoma North side of Hessel Road just west of Hwy. 116. Comment
  CAS-BOT-BC444991  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  CAS-BOT-BC444999  Montia fontana Peter Rubtzoff 1952-3-23 900 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UCD86410  Muhlenbergia andina Freed W. Hoffman 1947-8-30 575 Sonoma Layton Mine, Austin Creek. Comment
  CDA5598  Myosotis discolor T. C. Fuller 1958-5-24 3984 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA227203  Myosotis discolor Peter Rubtzoff 1962-6-19 4917 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC83247  Myosurus minimus J. W. Congdon 1880-4-22 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC101795  Myrica californica Peter Rubtzoff 1952-3-23 876 Sonoma Eastern branch of the Upper Marsh Comment
  RSA799987  Myriophyllum brasiliense Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mi east-southeast of Sebastopol. Comment
  RSA800336  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh Comment
  RSA0028934  Myriophyllum verticillatum Barbara Ertter 1988-11-5 8034 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC260069  Nassella lepida K. Wagnon 1939-5-20 205 Sonoma Glade W of Wagnon Quarry Comment
  SBBG26388  Nassella pulchra B. Crampton 1966-5-10 Sonoma 3 mi S of Healdsburg Comment
  UCD116060  Nasturtium officinale Ella Dales Cantelow 1938-5-7 2389 Sonoma 8 mi. S. of Fort Ross. Comment
  CAS-BOT-BC230265  Navarretia cotulifolia Miss May 1885-6-1 s.n. Sonoma Santa Rosa Comment
  POM65215  Navarretia cotulifolia A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa. Comment
  UC106834  Navarretia heterodoxa Michener and Bioletti Jul 1891 1554 a Sonoma Hoods Peak Comment
  JEPS43458  Navarretia leucocephala subsp. bakeri W. L. Jepson 1921-6-2 9302 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  UC101999  Navarretia leucocephala subsp. bakeri Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC232689  Navarretia pubescens G. DeNevers 1982-6-5 2043 Sonoma Pepperwood Ranch. In ditch along road below Strebel Comment
  POM261291  Navarretia pubescens L. S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  UCD158735  Navarretia sinistra subsp. pinnatisecta James A. Neilson Jr. 1974-7-25 2864 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. 792 Comment
  POM225971  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 miles N of Bodega. Comment
  SDSU3222  Navarretia squarrosa D. F. Howe 1962-7-28 3360 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  UC1541554  Navarretia tagetina H. E. and S. T. Parks 1930-5-10 847 Sonoma Knights Valley 152 Comment
  UC126415  Navarretia viscidula Prof. Heaton Jun 1887 Sonoma Verano Comment
  HSC28202  Nemophila heterophylla Thomas W. Nelson 1971-3-21 348 Sonoma Beside Hwy. 128 4 mi. W of Cloverdale Comment
  UCD23401  Nemophila heterophylla Wesley Ebert 1977-4-9 18 Sonoma Pale blue flowers with white center. In rich moist humus. Shaded by Umbellularia californica and Quercus agrifolia, but getting some afternoon exposure. On east facing slope. 6000 Soldiers Ln., Penngrove. On west side of Sonoma Mtn. 457 Comment
  SEINET12345599  Nemophila menziesii F. H. Utech, Kawano, S.; Ohara, M. 1995-3-26 95 -59 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  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
  CAS-BOT-BC230567  Nemophila parviflora var. parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  SD254635  Nemophila pedunculata Ann Howald 2015-4-1 3313 Sonoma Northern Coast Ranges: Stewarts Point-Skaggs Springs Road, 11.5 miles west of intersection with Rockpile Road. Warm Springs drainage (Warm Springs Dam 7.5'Q) 408 Comment
  UC32589  Nepeta cataria V. K. Chesnut Sonoma Petaluma Comment
  SEINET12337434  Nicotiana attenuata W. Knight, Knight, I. 1989-1 6500 Sonoma Ely Road near corner of Corona Road near Petaluma 9 Comment
  SACT001614  Notholcus lanatus M. Wiesendanger 1927-5-5 Sonoma 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
  UCD110189  Notholithocarpus densiflorus A. T. Leiser 1968-1-16 s.n. Sonoma Sea Ranch, N. end of ridge. 91 Comment
  RSA0009430  Nuphar lutea subsp. polysepala Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC400124  Nuphar polysepala Peter Rubtzoff 1958-7-26 3813 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  RSA0057960  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  CDA38482  Oenanthe sarmentosa T. C. Fuller 1958-1-29 104 -58 Sonoma Triangle G Ranch, Sonoma Mtn., Petaluma. 0 Comment
  UCD166063  Oenothera Peter Rubtzoff 1971-5-8 6441 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC502909  Orobanche fasciculata Greg de Nevers 1995-5-2 10718 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd. 487 Comment
  UCSC000707  Orobanche fasciculata Merle Randall 1930-9-6 s.n. Sonoma Cliff, shore above mouth of Russian River Russian River Comment
  CAS-BOT-BC243696  Orobanche valida subsp. howellii Donald V. Hemphill 1963-9-21 s.n. Sonoma Head of Yellow Jacket Creek, Mt. St. Helena 1310 Comment
  RSA177967  Orthocarpus attenuatus Robert F. Thorne 1965-4-20 34350 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  RSA402030A  Orthocarpus faucibarbatus L. S. Rose 1933-5-9 33158 Sonoma Bodega Bay. Comment
  RSA789045  Orthocarpus faucibarbatus Carrie A. Herd 1982-4-25 75 Sonoma Crane Creek Regional Park. Comment
  SEINET8733536 Image available Orthocarpus faucibarbatus Lewis S. Rose 1933-1 33158 Sonoma BODEGA BAY Comment
  NY90845  Orthocarpus faucibarbatus var. albidus D. D. Keck 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth. Comment
  POM15378  Orthocarpus lithospermoides M. S. Baker 1898-5-7 599 Sonoma Glen Ellen Comment
  UCD127445  Osmorhiza berteroi Botany 102 students 1993-4-24 83 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air NW of Napa. Along Hillside Trail. 426 Comment
  SEINET12121674  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -169 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  HSC6144  Packera greenei H. K. Sharsmith 1952-6-18 4127 Sonoma Near junction of Socrates Mine road with Pine Flat-Middle-town road, Mayacamas Mountains 976 Comment
  UC91653  Packera greenei Katharine Curran July 1884 Sonoma Mt. St. Helena Comment
Read comments
Mar 27 2016
  CAS-BOT-BC227649  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA784570  Panicum Peter Rubtzoff 1978-5-20 9186 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  OBI30446  Panicum acuminatum John & Lucille Roos, Lucille Roos 1956-9-1 6598 Sonoma The Geysers Comment
  UC1023571  Panicum acuminatum var. acuminatum Milo S. Baker Apr 1936 252 Sonoma Sonoma Co. Geysers Comment
  UCD89133  Panicum acuminatum var. thermale Freed W. Hoffman 1943-6-13 2040 Sonoma The Geysers. Comment
  CAS-BOT-BC253772  Panicum capillare Peter Rubtzoff 1959-9-19 4275 Sonoma Russian River bottom, Vacation Beach, near Guerneville Comment
  CAS-BOT-BC253655  Panicum capillare John Thomas Howell 1957-9-26 32977 Sonoma Russian River bottom near Guerneville Comment
  CAS-BOT-BC371403  Panicum miliaceum Greg de Nevers 1998-8-25 11304 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Road 400 Comment
  CDA31308  Parentucellia viscosa D. G. Kelch, Ed Biffin 2010-5-3 10 .209 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CDA32871  Parentucellia viscosa CDFA Staff 1980-1 Sonoma 0 Comment
  JEPS128230  Parnassia palustris Roger Raiche 2000-9-9 152 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC175545  Parnassia palustris Roger Raiche 1885-8-10 50721 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek 243 Comment
  CAS-BOT-BC154982  Paspalum Peter Rubtzoff 1973-9-9 7307 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC202873  Paxistima myrsinites M. S. Baker 1934-4-28 s.n. Sonoma Jensen Ranch, Dry Creek Valley, n. of Healdsburg Comment
  JEPS128249  Pedicularis densiflora Roger Raiche 2000-5-5 096 .00 Sonoma The Cedars. Danfield Creek drainage near crest with Pepperwood Creek; topographic peak 2061. Gualala River, Wheatfield Fork watershed. Comment
  UCD158871  Pellaea mucronata James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2913 Sonoma Mayacmas Mountains; unnamed creek east of Truit Creek, ca 2 miles west of The Geysers. (Elevation estimated by label maker using Google Earth.) 457 Comment
  NY601758  Penstemon heterophyllus var. purdyi A. A. Heller 1902-5-29 5625 Sonoma Mount Hood Comment
  CAS-BOT-BC71732  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-10 1201 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UC106533  Perideridia kelloggii J. W. Congdon 1880-8-2 Sonoma Santa Rosa Road Comment
  UCD127636  Perideridia kelloggii Frederica Bowcutt 1997-7-19 2192 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.75 air mile S of Red Mountain, 0.5 air miles NNW of confluence of the Malm Fork, 1.0 air miles WSW of Brushy Peaks. 457 Comment
  CAS-BOT-BC413652  Persicaria amphibia Peter Rubtzoff 1960-4-30 4310 Sonoma Laguna de Santa Rosa northeast of Graton (ca. 1.2 mi. n. of Guerneville Rd.) Comment
  CAS-BOT-BC413667  Persicaria amphibia Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5845 Sonoma Llano Road near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC419112  Persicaria lapathifolia Peter Rubtzoff 1955-8-7 2030 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419116  Persicaria lapathifolia Peter Rubtzoff 1965-9-5 5643 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC419275  Persicaria maculosa Peter Rubtzoff 1954-7-29 1614 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419286  Persicaria orientalis Peter Rubtzoff 1958-7-20 3786 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  CAS-BOT-BC258009  Persicaria punctata Peter Rubtzoff 1973-8-20 7224 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC419417  Persicaria punctata A. A. Heller 1902-8-20 6053 Sonoma At Sebastopol Comment
  CAS-BOT-BC419424  Persicaria punctata Peter Rubtzoff 1954-6-7 1487 Sonoma Guerneville Marsh Comment
  UCD148419  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  UCD98397  Petrorhagia nanteuilii Botany 102 Students 1993-5-8 224 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  UCD98398  Petrorhagia nanteuilii Botany 102 Students 1993-5-8 285 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. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile S of Red Mountain, N of Sonoma Creek. 487 Comment
  UCR222352  Phacelia californica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16232 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
  UC1069266  Phacelia distans H. S. Yates 1934-4-21 3799 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UC702988  Phacelia distans John Thomas Howell 1930-6-8 5250 Sonoma rocky slope 1 mi e Bodega Bay Comment
  UC881084  Phacelia distans Alice Eastwood 1915-6-29 4848 Sonoma near type locality Bodega Point Comment
  RSA201447  Phacelia imbricata subsp. imbricata J. T. Howell 1929-6-9 4302 Sonoma Two miles north of Sonoma. Comment
  UC444442  Phacelia suaveolens E. L. Greene Aug. 1888 Sonoma Petrified Forest; ; Petrified Forest, Sonoma Co. Comment
  RSA783845  Phalaris Peter Rubtzoff 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
  RSA0023069  Phalaris Peter Rubtzoff 1968-6-25 5913 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC258946  Phalaris aquatica Peter Rubtzoff 1961-10-18 4771 Sonoma Cunningham Marsh Comment
  UC1146585  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma near Guerneville (Lone Mountain Farm); North Coast Ranges, Lone Mountain Farm Comment
  UCD88043  Phalaris aquatica Mary M. Hektner; Cathy Hendel 1974-6-28 82 A Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC258953  Phalaris aquatica Mary P. Wells 1981-8-2 s.n. Sonoma Hedge Gate Road, Unit 21, The Sea Ranch Comment
  RSA227232  Phalaris arundinacea Peter Rubtzoff 1962-5-25 4832 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  CAS-BOT-BC259022  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma Near Green Valley School 91 Comment
  UCD88771  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  CAS-BOT-BC265915  Phalaris lemmonii G. DeNevers; S. Kaza 1981-5-7 972 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  UCD88995  Phalaris lemmonii John Thomas Howell 1947-6-5 23243 Sonoma 4 miles W of Santa Rosa. Near Wright School. Comment
  UC1132438  Phalaris paradoxa H. S. Yates 1937-6-6 6578 Sonoma near Windsor; Healdsburg Quad. Comment
  RSA0056453  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  JEPS69995  Phlox speciosa subsp. occidentalis Docia I. Patchett 1933-6-6 Sonoma Comment
  CAS-BOT-BC135032  Phoradendron bolleanum Catherine Best 1981-5-2 s.n. Sonoma Harrison Grade Rd 2 miles N of Occidental Comment
  CAS-BOT-BC135036  Phoradendron bolleanum John Thomas Howell 1933-4-2 10961 Sonoma 2 miles E of Occidental Comment
  SEINET12230309  Phoradendron bolleanum var. densum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -163 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  UCD168036  Phoradendron leucarpum subsp. tomentosum James A. Neilson Jr. 1981-3-13 3988 Sonoma Mayacmas Mountains, Caldwell Ranch, 1 mi. west Caldwell Pines. Squaw Creek drainage. Hills 1/4 mi. west old Caldwell Ranch. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC171219  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-4-30 899 Sonoma Pepperwood Ranch. At the Pippindale Garden Comment
  CDA16372  Phyllospadix scouleri G. F. Hrusa 2000-11-13 15717 Sonoma Kortum trail head to Goat Rock. Comment
  UC466693  Physocarpus capitatus W. P. Taylor 1913-6-23 Sonoma 7 W.[?] Cazadero (along creek at Niestrth's[?]) 304 Comment
  CAS-BOT-BC78334  Pinus attenuata Elsa G. Ruckert 1960-3-12 19 Sonoma 1/2 mile from junction of Highway 12 on [Triniti] Trinity Road 335 Comment
  NY61989  Pinus muricata R. R. Wilson 1939-7-25 439 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET10908748 Image available Pinus ponderosa Unknown 1864-4-27 Anonymous s.n. Sonoma Comment
  UCD133336  Pinus sabiniana Frederica Bowcutt 1994-6-25 1916 Sonoma 609 Comment
  UC72232  Piperia transversa Milo S. Baker 1904-6-20 Sonoma near Maple Glen Comment
  UCR46049  Piperia unalascensis L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  CAS-BOT-BC157651  Plagiobothrys Peter Rubtzoff 1971-5-8 6449 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC166950  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA785154  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  RSA785156  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCR255871  Plagiobothrys Greg de Nevers 1992-5-24 10155 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  UCR279872  Plagiobothrys Peter Rubtzoff 1969-5-11 6048 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  JEPS86298  Plagiobothrys Jack and Betty Guggolz 1989-4-29 1003 Sonoma Comment
  SD260916  Plagiobothrys Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA620416  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5161 Sonoma Laguna de Santa Rosa, east of Graton Comment
  UC1601345  Plagiobothrys bracteatus Milo S. Baker 1898-5-7 629 Sonoma Glen Ellen Comment
  UCD120776  Plagiobothrys bracteatus G. F. Hrusa; R. Gross 1996-6-30 13066 Sonoma Permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. 700 Comment
  UCD150842  Plagiobothrys bracteatus 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
  UCR279865  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6231 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  RSA639272  Plagiobothrys bracteatus R. F. Thorne 1965-4-19 34276 Sonoma Titus Ranch, Valley Ford. 18 Comment
  JEPS61007  Plagiobothrys greenei Milo S. Baker 1927-5-8 2131 a Sonoma road summit near Bennett Valley Comment
  UC881346  Plagiobothrys stipitatus Milo S. Baker 1935-5-1 8076 Sonoma Bennett Valley Road Comment
  UCR141955  Plagiobothrys stipitatus var. micranthus Beecher Crampton 1966-5-10 7729 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  UCD166112  Plagiobothrys tener Peter Rubtzoff 1972-5-14 6740 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
  CAS-BOT-BC258017  Plantago Peter Rubtzoff 1959-9-19 4273 Sonoma Vacation Beach, near Guerneville, along margins of pool on the Russian River bottom. Comment
  SD130533  Plantago erecta F. Almeda, G. DeNevers 1981-3-30 4880 Sonoma Vicinity of the Bechtel Cabin. Comment
  JEPS19391  Plantago subnuda G. Thomas Robbins with John Weiler 1937-6-5 220 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  UCSB50227  Plantago subnuda Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6N RllW 15 Comment
  UC1057476  Platanthera leucostachys G. Thomas Robbins 1937-5-23 208 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
  UCD96038  Platystemon californicus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 46 Sonoma Bihler's Point, Unit 2 Owner's Map, Sea Ranch, near State Highway 1. Comment
  SEINET5340051  Platystemon californicus A. A. Heller, H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  SEINET6911642  Platystigma linearis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Dunes near their base, Bodega Head, near middle of peninsula. Comment
  CAS-BOT-BC376252  Plectritis Greg de Nevers 1993-4-11 10369 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. North slope, in Bald Hills 304 Comment
  UC28835  Plectritis brachystemon F. T. Bioletti June, 1893 Sonoma Hood's Peak Comment
  SD88312  Plectritis ciliosa Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  UC1024775  Pleuropogon californicus Leo Whitney 1935-3-17 2354 a Sonoma Santa Rosa Comment
  UC1132563  Pleuropogon californicus H. S. Yates 1937-6-5 6675 Sonoma near Wildwood 121 Comment
Read comments
Jul 28 2008
  UC1533103  Pleuropogon californicus Rocky Thompson 1975-4-14 Sonoma ca 0.5 mi s, on Todd Rd Jct Todd Rd and Llano Rd Comment
  UC677573  Pleuropogon californicus A. A. Beetle with G. L. Stebbins Jr. 1942-6-4 3613 Sonoma on Occidental Road near Barstow Station Comment
  UCR119120  Pleuropogon californicus Beecher Crampton 1955-4-5 2418 Sonoma Santa Rosa Area, 3 miles northwest of Cotati, Laguna de Santa Rosa, Llano Road 91 Comment
  RSA184881  Pleuropogon californicus var. californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma. 24 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
  RSA73965  Pleuropogon californicus var. californicus Milo S. Baker 1952-4-20 12402 Sonoma Western outskirts of Sonoma, along 5th street. Comment
  RSA0021492  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC255609  Poa annua G. DeNevers 1981-3-14 544 Sonoma Pepperwood Ranch. Pippindale farm, 7 miles NE of Santa Rosa near Mark West lodge, along Leslie Road, opposite the grey willows Comment
  SEINET13347297 Image available Poa annua A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  CAS-BOT-BC255601  Poa annua Mary P. Wells 1981-4-18 s.n. Sonoma Community garden, The Sea Ranch Comment
  UC903700  Poa howellii Milo S. Baker 1947-4-22 11698 Sonoma above Gray Ranch Hood Mt 304 Comment
  UCD90530  Poa kelloggii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC422344  Poa pratensis Peter Rubtzoff 1976-6-18 8650 Sonoma Kenwood Marsh. Comment
  UC1132752  Poa secunda subsp. secunda H. S. Yates 1934-4-21 Sonoma near Bodego; Sebastopol Quadrangle Comment
  UCD90791  Poa secunda subsp. secunda Beecher Crampton 1955-4-5 2402 Sonoma 2 miles N of Healdsburg, along US Hwy 101. Comment
  HSC100957  Poa secunda subsp. secunda Peter Warner 2011-5-13 196 Sonoma Jenner Headlands, N edge of Johnson Field, ~580 m, N84 deg. E of Hwy. bridge at Russian Gulch, S edge of gulch that crosses Muniz Ranch Rd. 0 Comment
  UCR248912  Poa trivialis Peter Rubtzoff 1974-6-2 7526 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC244262  Poa unilateralis David L. Morgan 1961-4-15 s.n. Sonoma Bodega Bay Comment
  SEINET10659519  Poa unilateralis A. Arthur Heller Heller 5279 Sonoma Bodega Bay. Comment
  CAS-BOT-BC329227  Poaceae Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  CAS-BOT-BC368003  Poaceae Greg de Nevers 1989-6-8 9079 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA0062829  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. 100 Comment
  UCR253368  Polycarpon tetraphyllum Peter Rubtzoff, Nancy Harrison 1974-7-13 7676 Sonoma Upper Green Valley Marsh Comment
  UC1198995  Polygala californica Joseph P. Tracy 1933-5-1 12124 Sonoma Knight's Valley 152 Comment
  SEINET12205439  Polygala californica F. H. Utech 1986-1 86 -108 Sonoma ca 3.5 mi NE on Cavedale Road 350 Comment
  UCD109709  Polygala californica Patti Togioka; Rimy Waraich 1993-5-8 246 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  CAS-BOT-BC110537  Polygonum Peter Rubtzoff 1987-9-27 9854 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC414110  Polygonum aviculare subsp. aviculare Walter Knight; Irja Knight 1963-10-3 346 Sonoma Bennett Valley Comment
  CAS-BOT-BC414280  Polygonum aviculare subsp. depressum Peter Rubtzoff 1961-8-22 4681 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC414317  Polygonum aviculare subsp. neglectum Peter Rubtzoff 1959-6-20 4161 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC109166  Polygonum bolanderi John Thomas Howell 1926-10-3 2213 Sonoma Two miles from Petrified Forest on road to Calistoga. Comment
  CDA22833  Polygonum paronychia R. F. Wilkey 1967-10-1 Sonoma Goat Rock, Bodega Bay. 0 Comment
  RSA472717  Polygonum paronychia E. A. Purer 1932-7-24 15967 Sonoma Bodega Bay. Comment
  UC727707  Polygonum punctatum Milo S. Baker 1946-8-17 11561 Sonoma The Laguna; at crossing of the Occidental Rd Comment
  RSA234570  Polygonum punctatum Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  CAS-BOT-BC72010  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa Comment
  UC440179  Polypodium calirhiza Michener and Bioletti Mar 1892 Sonoma <I, L, or S> Canyon Comment
  SEINET11719105  Polypodium glycyrrhiza S. W. Edwards 1986-1 s.n. Sonoma St. Helena Rd, 5.55 mi from Calistoga Rd., 6.7 mi from hwy in St. Helena Comment
  UCD136866  Polypodium glycyrrhiza Herbert L. Mason 1925-11-26 2498 Sonoma Monte Rio. Comment
  UCD136877  Polypodium glycyrrhiza Frederica Bowcutt 1994-6-12 1875 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 Trial along edge of Sonoma Creek just E of confluence wth Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  CAS-BOT-BC311839  Polypogon Peter Rubtzoff 1986-9-28 9743 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD92446  Polypogon Beecher Crampton 1957-5-16 4040 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  CAS-BOT-BC233221  Polypogon maritimus Greg de Nevers 1992-6-26 10209 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC237408  Polypogon monspeliensis Peter Rubtzoff 1956-9-11 2847 Sonoma Vacation Beach, near Guerneville, Russian River bottom Comment
  CAS-BOT-BC237410  Polypogon monspeliensis Peter Rubtzoff 1958-8-9 3854 Sonoma Laguna de Santa Rosa N of Sebastopol (near Occidental Road) Comment
  UCD91339  Polypogon monspeliensis P. B. Kennedy 1920-6-16 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  UCD168041  Polystichum californicum James A. Neilson Jr. 1981-3-13 3995 Sonoma Mayacmas Mountains, tributary of Hummingbird Creek. 1/2 mile NE of confluence of Hummingbird Creek and Squaw Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC72169  Polystichum californicum Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5510 Sonoma 4.85 miles from end of Mill Creek Road Comment
  CAS-BOT-BC72482  Polystichum munitum Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  JEPS97814  Polystichum munitum B. Bartholomew, W. Roderick, J. Domzalski 1975-12-1 Sonoma Willow Creek Rd, W of Occidental Comment
  UC1041134  Polystichum munitum J. W. Congdon 1892-5-29 Sonoma Cazadero Comment
  UCD136560  Polystichum munitum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 025 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1, near old 'railroad' bridge. 30 Comment
  CAS-BOT-BC72485  Polystichum munitum A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  POM120959  Polystichum munitum Marcus E. Jones 1902-7-18 s.n. Sonoma Duncans Mills Comment
  CAS-BOT-BC102668  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  RSA262242  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area. Ca. 25 yards from creek draining the Forestville Marsh. Comment
  CAS-BOT-BC445293  Portulaca oleracea Peter Rubtzoff 1958-8-30 3941 Sonoma Russian River. Vacation Beach near Guerneville. Comment
  CAS-BOT-BC376302  Portulacaceae Greg de Nevers 1989-2-1 9036 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  CAS-BOT-BC267175  Potamogeton foliosus 1877-6-6 s.n. Sonoma Russian River, Guerneville Comment
  RSA800334  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC257678  Potamogeton nodosus Peter Rubtzoff 1971-9-30 6716 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC453900  Potamogeton nodosus D. E. Breedlove 1980-6-27 44737 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCR256120  Potamogeton pusillus Greg de Nevers 1992-7-25 10228 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC141959  Potentilla anserina subsp. pacifica Walter Knight; Irja Knight 1963-8-13 212 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC141951  Potentilla anserina subsp. pacifica Peter Rubtzoff 1960-5-18 4386 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141649  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fence of the Camp Ground, ca 1 1/2 mi. west of the town of Cunningham Comment
  RSA0084031  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fenced area (Camp Ground) ca 1.5 mi west of town of Cunningham, S.[?] Sonoma Co. on ranch owned by Mr. Uoit[?]. Comment
  HSC15461  Prosartes hookeri James Faro 1962-4-18 7 Sonoma 5 mi. N of Guerneville on Old Cazadero Rd. Comment
  CAS-BOT-BC517367  Prosartes smithii Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  UCR90890  Prunella vulgaris Kathy Harper, Dane Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
  CAS-BOT-BC158589  Prunus Peter Rubtzoff 1987-3-15 9757 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhome Park Road 0.2 miles west of Forest Hills Road Comment
  CAS-BOT-BC159846  Prunus cerasifera Greg de Nevers 2002-3-12 12646 Sonoma North of Stewart Creek, near old homestead. Bouverie Audubon Preserve, Highway 12, Glen Ellen Comment
  UCD113175  Prunus cerasifera Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 75 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. S of Sonoma Creek, 1/8 mile beginning of Hillside Trail (lower slope). 381 Comment
  CAS-BOT-BC154616  Prunus subcordata A. A. Heller; H. E. Brown 1902-4-4 5215 Sonoma Hills East of Santa Rosa Comment
  UCR255735  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Leslie Road 400 Comment
  JEPS128346  Pseudognaphalium californicum Roger Raiche 2000-6-6 134 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD133633  Pseudognaphalium californicum Frederica Bowcutt 1994-6-25 1905 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Meadow Trail at Gray Pine Trailhead, immediately W of culvert under Meadow Trail. Along down cut channel feeding into Sonoma Creek which is to the W. 408 Comment
  CAS-BOT-BC361622  Pseudognaphalium stramineum Volney Rattan No date on label s.n. Sonoma Guerneville Comment
  HSC2215  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  UC75921  Pseudognaphalium thermale Miss M. Alice King 1896-9-1 Sonoma near Healdsburg Comment
  JEPS46756  Pseudotsuga menziesii var. menziesii W. L. Jepson 1931-7-19 15955 Sonoma Watson School near Bodega Comment
  UC1042434  Pseudotsuga menziesii var. menziesii Peter Rubtzoff 1951-8-18 636 Sonoma w branch of the Upper Marsh in a thicket on damp ground Pitkin Marsh, Upper Marsh (near Forestville) Comment
  UCD37502  Pseudotsuga menziesii var. menziesii Beecher Crampton 1960-10-10 5789 Sonoma 5 miles northwest of Calistoga, Franz Valley, along Highway 128. Comment
  SEINET8520575 Image available Pseudotsuga taxifolia L. Fallon 1939-1 s.n. Sonoma 10 miles north of Guerneville. Comment
  UCD166080  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC166710  Psilocarphus Peter Rubtzoff 1959-6-20 4150 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC176115  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC176173  Psilocarphus Peter Rubtzoff 1970-5-16 6229 Sonoma 5 miles north of Sears Point. Comment
  UCD148450  Psilocarphus Peter Rubtzoff 1963-6-6 5168 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  RSA784485  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  UCD165172  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC164677  Pteridium Peter Rubtzoff 1971-9-3 6699 Sonoma Southeastern border of Spring Creek Reservoir area. Comment
  SD27372  Pteridium aquilinum var. pubescens Kate O. Sessions 1881-1 Sonoma Comment
  POM165161  Pterostegia drymarioides A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. Comment
  SEINET10479891  Pterostegia drymarioides A. Arthur Heller, H. E. Brown 1902-5-27 Heller s.n. 1902 Sonoma Bodega Bay on Sand Hills. From type station. Comment
  CAS-BOT-BC104298  Quercus X morehus John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch W of Cunningham Comment
  UC1193302  Quercus agrifolia R. H. Neuns 1950-5-3 99 Sonoma 6 mi e Geyserville (Quad. 60B3) 426 Comment
  CHSC80756  Quercus chrysolepis Earl L. Core 1952-7-5 Sonoma Mt. St. Helena. Comment
  SEINET12030399  Quercus douglasii W. Knight, Knight, I.; Knight, T. 1985-1 5391 Sonoma Pine Mt. Road Comment
  UCD149625  Quercus durata G. Ledyard Stebbins 1994-3-23 s.n. Sonoma Pepperwood Preserve Comment
  UCD166584  Quercus durata Dylan O. Burge 2016-8-21 2124 Sonoma Mayacmas Mountains, western slope of Hooker Canyon. 500 Comment
  UCD45949  Quercus durata var. durata A. R. Kruckeberg 1947-5-4 1437 Sonoma On first serpentine outcrop on Ida Clayton Road (from Kellogg to Middletown) from Knights Valley, in Sonoma (?) County, California. Comment
  UCSB15790  Quercus durata var. durata Breedlove, Dennis 1962-6-6 Sonoma State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale 289 Comment
  CAS-BOT-BC94671  Quercus garryana L. R. Abrams 1922-6-21 8098 Sonoma Healdsburg to Cloverdale Comment
  UC1196518  Quercus garryana Joseph P. Tracy 1930-11-30 9270 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  UC1299699  Quercus garryana Freed W. Hoffman 1947-4-3 670 Sonoma Wild Hog Ridge North Coast Ranges Comment
  UCD46076  Quercus garryana var. garryana Frederica Bowcutt 1996-5-19 2138 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air miles S of Red Mtn. in Adobe Canyon near office and corral. 396 Comment
  CAS-BOT-BC105484  Quercus kelloggii A. A. Heller; H. E. Brown 1902-3-17 5085 Sonoma Hills 8 miles NE of Santa Rosa Comment
  CDA31300  Quercus kelloggii D. G. Kelch, Ed Biffin 2010-5-3 10 .192 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD46673  Quercus kelloggii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 73 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Beginning on Hillside Trail. 381 Comment
  CAS-BOT-BC62808  Quercus lobata Mary P. Wells 1984-6-4 327 Sonoma North Court Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  SJSU10147  Quercus lobata A. W. Jacobs 1939-8-21 Sonoma Russian R near Hilton Comment
  CAS-BOT-BC134865  Quercus wislizeni D. E. Breedlove 1980-6-27 44778 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD162763  Quercus wislizeni Dylan O. Burge 2014-6-5 1642 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  UCD161308  Ranunculus aquatilis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3695 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-BC379157  Ranunculus aquatilis var. aquatilis Greg de Nevers 1987-2-28 8128 Sonoma Pepperwood Ranch Natural Preserve; 3500 Franz Valley Rd., Santa Rosa 00000000000000000000000 400 Comment
  SEINET9334866  Ranunculus californicus John Nelson, Wnek, R. 2000-3-7 20939 Sonoma Coleman Beach Comment
  CAS-BOT-BC378676  Ranunculus californicus var. californicus A. A. Heller 1902-3-16 5078 Sonoma Near Trenton Comment
  CAS-BOT-BC378685  Ranunculus californicus var. californicus Mrs. H. C. Cantelow 1940-4-20 4250 Sonoma about 0.67 mi north of Bay Highway 1 Comment
  RSA534579  Ranunculus lobbii Peter Rubtzoff 1962-4-11 s.n. Sonoma Americano Creek area just south of Bloomfield, near Petaluma-Valley Ford Road Comment
  CAS-BOT-BC83437  Ranunculus lobbii Margot Lowry 1983-5-5 33 Sonoma 2 miles north on Adobe Road from Sonoma Mountain and Adobe Road junction. 30 Comment
  JEPS55143  Ranunculus muricatus W. L. Jepson 1914-4-11 5803 Sonoma Sonoma Valley 35 Comment
  RSA534577  Ranunculus muricatus Peter Rubtzoff 1957-4-28 3292 Sonoma Duncans Mills Marsh Comment
  UCD96260  Ranunculus muricatus M. Wiesendanger 1927-5-5 739 Sonoma Kenwood Springs. Comment
  UCD84283  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC74199  Raphanus raphanistrum John H. Thomas 1976-6-16 18297 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD115233  Raphanus sativus M. Wiesendanger 1927-5-5 716 Sonoma Sonoma County. Comment
  UCD81448  Raphanus sativus M. Wiesendanger 1927-5-5 716 Sonoma Sonoma. Comment
  CAS-BOT-BC55942  Rhamnus crocea Walter Knight; Irja Knight 1964-1-17 513 Sonoma Upper Hooker Canyon, Cavedale Rd. Comment
  CAS-BOT-BC55945  Rhamnus crocea G. DeNevers 1981-4-30 893 Sonoma W arm of Garrison Canyon Comment
  RSA339385  Rhamnus tomentella subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE end of town of Healdsburg on Reservoir Hill. 122 Comment
  CDA43236  Rhododendron occidentale G. F. Hrusa 1989-5-21 7035 Sonoma Austin Creek State Recreation Area; Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  UC157681  Rhododendron occidentale Milo S. Baker May, 1899 Sonoma near Forestville Comment
  CAS-BOT-BC227170  Rhododendron occidentale var. occidentale G. F. Hrusa 1988-4-22 5569 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  CDA21375  Rhododendron occidentale var. occidentale G. F. Hrusa, M. Griffiths 1989-6-4 7096 Sonoma North Coast Ranges; Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. Comment
  RSA787919  Rhododendron occidentale var. occidentale G. Fred Hrusa 1989-5-8 6091 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CDA38886  Rhododendron occidentale var. occidentale T. C. Fuller 1958-5-24 3987 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA94004  Rhynchospora alba Peter Rubtzoff 1951-7-1 340 Sonoma Lower part of Upper Marsh Comment
  CAS-BOT-BC111895  Rhynchospora californica John Thomas Howell 1945-8-14 21382 Sonoma Perry Marsh 182 Comment
  RSA0065918  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC111901  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  UCD141235  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh, near Forestville. Upper Marsh. Comment
  POM303625  Rhynchospora globularis var. recognita J. T. Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA35299  Rhynchospora globularis var. recognita J. T. Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA94093  Rhynchospora globularis var. recognita J. T. 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
  CAS-BOT-BC168997  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1958-6-1 3700 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road Comment
  CAS-BOT-BC198921  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-31 5195 Sonoma Mt. Hood Comment
  UC58119  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma near Cazadero Comment
  UC75476  Ribes roezlii var. cruentum Milo S. Baker 1899-2-22 755 Sonoma near summit Mt. Hood Comment
  SJSU15311  Ribes sanguineum var. glutinosum Janis L. Tipton 1976-4-18 47 Sonoma Rohert Park, Petaluma Hill Road to Roberts Road 2 miles to Lichau Road, Lichau Creek. 121 Comment
  UC11671  Ribes victoris F. T. Bioletti Mar 1891 Sonoma Watson's Canyon Comment
  POM203710  Romanzoffia californica J. T. Howell 1931-4-18 6411 Sonoma Larkspur Rock near Bodega Bay. Comment
  CAS-BOT-BC74714  Rorippa curvisiliqua Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC74716  Rorippa curvisiliqua Peter Rubtzoff 1986-9-28 9750 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC398792  Rorippa curvisiliqua Katharine Brandegee Sonoma Duncan's Mills Comment
  RSA247443  Rorippa curvisiliqua Peter Rubtzoff 1958-5-17 3662 Sonoma Laguna de Santa Rosa, north of Sebastopol, (nr. Occidental Road). Comment
  RSA295091  Rorippa curvisiliqua Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4207 Sonoma On the Boriolo Ranch, near Trenton Rd., just S of and paralleling River Rd., (N part of Laguna de Santa Rosa), approx halfway between Guerneville and Santa Rosa. 15 Comment
  CAS-BOT-BC376306  Rorippa sinuata Greg de Nevers 1992-5-13 10148 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 400 Comment
  CAS-BOT-BC251219  Rosa Peter Rubtzoff 1973-9-9 7314 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC146772  Rosa gymnocarpa Walter Knight; Irja Knight 1964-11-3 762 Sonoma Cooper's Grove, Sonoma Mt. Road Comment
  JEPS90530  Rosa gymnocarpa Elizabeth Cook 1975-5-18 89 Sonoma 5 mi. w. Oakville (on Oakville grade) Comment
  UCD113879  Rosa gymnocarpa M. Wiesendanger 1927-5-5 737 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC146776  Rosa gymnocarpa R. D. Stone 1983-6-14 537 Sonoma In headwaters of Squaw Cr. drainage ca. 1.2 mi. NW of Geyser Rock 975 Comment
  UC905110  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mt. (w slope of mt.) 243 Comment
  CAS-BOT-BC147184  Rubus parviflorus Alice Eastwood; John Thomas Howell 1939-6-11 74 ? Sonoma Near [Triniti] Trinity P.O., Hood Mt. Range Comment
  UCD166415  Rubus parviflorus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  UC1073291  Rubus spectabilis George B. Rossbach 1955-3-19 310 Sonoma on thoroughfare into Bodega Harbor opposite Doran Beach Point (e edge Bodega Head); , thoroughfare into Bodega Harbor 22 Comment
  UC1084363  Rubus spectabilis G. Thomas Robbins 1937-3-26 26 Sonoma bank of creek along road e Bodega Bay; e of Bodega Bay Comment
  UC666159 Image available Rubus ursinus S. W. Brown 1942-6-28 42015 Sonoma in ravine 15 mi n Fort Ross; ; Ft. Ross Comment
  UCD17813  Rubus ursinus H. Olmo 8-10 May 1962 62 08 Sonoma California. Sonoma County: 1.3 miles south from junction of road to Fort Ross in Cazadero. Comment
  UCD17934  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-3 53 64 B Sonoma California. Sonoma County: 0.5 miles north of city limits in Rio Del. Comment
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Aug 27 2013
  CAS-BOT-BC157659  Rumex Peter Rubtzoff 1964-6-3 5351 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC173544  Rumex Peter Rubtzoff 1964-6-24 5387 Sonoma Coleman Marsh. Salmon Creek. Comment
  CAS-BOT-BC366883  Rumex Greg de Nevers 1997-9-22 11088 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCD166510  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  UCD101063  Rumex acetosella Peter Rubtzoff 1951-7-7 366 Sonoma Pitkin Marsh near Forestville. Between the western and the eastern branches of the Upper Marsh. Comment
  UCD100990  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. 1 mile from trailhead. 396 Comment
  UCD101008  Rumex acetosella Adam Green; Bowcutt 1994-5-1 1787 Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. S of Sonoma Creek about 125 yards 1/4 mile NW of confluence with Rattlesnake Creek, meadow in center of campground. Comment
  UCD101040  Rumex acetosella P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCR222560  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16238 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC421851  Rumex conglomeratus Peter Rubtzoff 1951-6-30 309 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD160131  Rumex crispus James A. Neilson Jr. 1973-6-6 3061 Sonoma Mayacmas Mountains. The Geysers. Site IV A. (Exact location of Site IV A unknown. Elevation and coordinates estimated to be near Site IV G by label maker.) 731 Comment
  CAS-BOT-BC433411  Rumex crispus G. DeNevers 1981-5-23 1285 Sonoma Pepperwood Ranch. Big Roadcut along Franz Valley Road, with turnout, below Walter Ward's House. Comment
  CAS-BOT-BC433696  Rumex obtusifolius Peter Rubtzoff 1987-7-18 9800 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road. Comment
  RSA785147  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC433739  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  CAS-BOT-BC433740  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  UCD81428  Rumex pulcher M. Wiesendanger 1927-5-5 s.n. Sonoma Sonoma. Comment
  CAS-BOT-BC434143  Rumex transitorius Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy 1 Comment
  CAS-BOT-BC239854  Rytidosperma penicillatum Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  UC814581  Sagittaria Milo S. Baker 7972 Sonoma Gravenstein Highway just n Cunningham Station Comment
  RSA247450  Sagittaria cuneata Peter Rubtzoff 1971-7-9 6594 Sonoma 5 miles north of Sears Point. Comment
  RSA0037214  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh. At south margin of the area. Comment
  CAS-BOT-BC126266  Salix X sepulcralis W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road, six miles from Petaluma Comment
  CAS-BOT-BC135956  Salix alba subsp. vitellina Mary P. Wells 1988-4-16 930 Sonoma Corner of Adobe Rd. & Stage Gulch Rd. Comment
  CAS-BOT-BC103076  Salix bonplandiana A. A. Heller 1902-4-22 5346 Sonoma On Santa Rosa creek near Santa Rosa Comment
  CAS-BOT-BC103084  Salix bonplandiana Peter Rubtzoff 1952-6-15 1265 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  CAS-BOT-BC103085  Salix bonplandiana Peter Rubtzoff 1957-5-4 3320 Sonoma Vacation Beach, near Guerneville; bank of Russian River Comment
  RSA534566  Salix bonplandiana Peter Rubtzoff 1957-5-4 3320 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC103944  Salix exigua Peter Rubtzoff 1953-5-16 1358 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  POM219057  Salix exigua Carleton R. Ball, Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 38 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  RSA534507  Salix exigua Peter Rubtzoff 1966-4-30 5698 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  RSA534564  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  UC453099  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 Sonoma Russian R. at Bohemian Grove near Monte Rio Comment
  CAS-BOT-BC107753  Salix hindsiana A. A. Heller 1902-4-18 5328 Sonoma Near Windsor on Russian River Comment
  HSC19976  Salix laevigata P. J. Zinke 1950-4-25 119 Sonoma Russian River at Cloverdale 152 Comment
  RSA155474  Salix laevigata L. S. Rose 1962-4-18 62022 Sonoma 1 mile NW of Freestone. 76 Comment
  UC482065  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. bodega Bay Comment
  CAS-BOT-BC128058  Salix lasiandra var. lasiandra Peter Rubtzoff; Theodore J. Crovello 1964-9-3 5494 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC128064  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood 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-BC107091  Salix lasiolepis Greg de Nevers 1990-5-1 9663 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC107253  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma Hills two miles southeast of Santa Rosa Comment
  UC1084450  Salix lasiolepis G. Thomas Robbins 1940-3-24 308 Sonoma ca. 6 mi. e. Santa Rosa (Rincon Grade) 167 Comment
  UC453104  Salix lasiolepis W. A. Setchell 1931-7-31 20 Sonoma Bodega Bay Comment
  UC66161  Salix lasiolepis A. A. Heller 1902-3-11 5025 Sonoma hills 2 mi e Santa Rosa Comment
  UC66163  Salix lasiolepis A. A. Heller 1902-3 5097 Sonoma e Santa Rosa; Santa Rosa Creek Comment
  RSA94337  Salix lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma S of the Upper Marsh. Comment
  RSA94338  Salix lasiolepis Peter Rubtzoff 1952-3-23 895 Sonoma S of the Upper Marsh. Comment
  CAS-BOT-BC129235  Salix piperi Mary P. Wells 1981-4-18 s.n. Sonoma Draw on Unit 24, The Sea Ranch Comment
  CAS-BOT-BC126185  Salix scouleriana W. W. Schneebeli 1963-7-1 s.n. Sonoma Joy Grade Road on Fathergill Ranch west of Occidental Comment
  CAS-BOT-BC128943  Salix sitchensis Peter Rubtzoff 1958-8-30 3945 Sonoma Betw. East Guernewood and Vacation Beach, nr. Guerneville. Along the water line of the Russian River Comment
  LA208960  Salix sitchensis Ball; Bracelin, Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km NW of Calistoga Comment
  SBBG50693  Salix sitchensis R. F. Denno 1967-3-23 13 Sonoma St Hwy 1, 4 mi S of Fort Ross 30 Comment
  UC453081  Salix sitchensis W. A. Setchell 1931-7-25 3 Sonoma above Russian R. at Bohemian Grove near Monte Rio Comment
  UC453107  Salix sitchensis W. A. Setchell 1931-7-31 21 Sonoma Bodega Bay Comment
  UC482066  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay Comment
  UC524782  Salix sitchensis W. A. Setchell 1934-7-10 2 Sonoma opposite C. Call's house Fort Ross (Coast Hwy.) 30 Comment
  SEINET10424546  Salix sitchensis A. A. Heller 1902-1 5044 Sonoma Sonoma Creek, foot of Mount Hood. Comment
  CAS-BOT-BC225220  Salvia sonomensis Mrs. C. A. Burlingame 1921-5-30 s.n. Sonoma Sonoma Comment
  UC192603  Salvia sonomensis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  CAS-BOT-BC245888  Sambucus nigra subsp. caerulea Peter Rubtzoff 1962-6-22 4957 Sonoma Fife Creek Marsh, Ffie Creek Comment
  UCD137236  Sambucus nigra subsp. caerulea C. Wistrom 1996-5-26 31 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  CAS-BOT-BC223343  Sanicula bipinnatifida Alice Eastwood 1921-5-8 10438 Sonoma Petaluma Comment
  CAS-BOT-BC223347  Sanicula bipinnatifida G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  POM117139  Sanicula crassicaulis Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  RSA178020  Sanicula crassicaulis R. F. Thorne 1965-4-19 34313 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  OBI55096  Sanicula graveolens L. Constance, L. R. Heckard and A. R. Kruckeberg 1950-5-13 3329 Sonoma Ridge NE of Sulpher crk 4 mi W of Lincoln Rock 762 Comment
  CAS-BOT-BC328137  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  UCR244592  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma Banks of Russian River, 6 mi east of Guerneville 18 Comment
  UC416710  Satureja douglasii Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  UC480598  Saxifraga integrifolia Carl Meyer 1928-4-3 324 Sonoma Santa Rosa Comment
  JEPS79428  Saxifraga integrifolia Nancy Harrison 1980-3-14 Sonoma Sonoma Valley Park near Glen Ellen; Sonoma Valley Park Comment
  CAS-BOT-BC441182  Saxifraga mertensiana D. E. Breedlove 1976-3-27 39450 Sonoma Grassy slope above Dry Creek west of Warm springs dam Comment
  UCSB2698  Saxifraga mertensiana Keator, Glenn 1959-4-1 Sonoma 8.1 miles east of Digger Indian Reservation on Stewart Point Geyserville highway Comment
  UCR265124  Scandix pecten-veneris Ann Howald 2015-4-1 3322 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  JEPS77257  Scandix pecten-veneris Robert M. Lloyd 1963-4-24 2395 Sonoma 13.8 mi from State Highway 12 (on road to Oakdale) 365 Comment
  RSA178009  Scandix pecten-veneris R. F. Thorne 1965-4-19 34262 Sonoma Cotati, Waters Ranch 30 Comment
  CAS-BOT-BC283147  Schedonorus arundinaceus David L. Morgan 1956-5-13 s.n. Sonoma 1/2 mile west of Lakeville on Stage Gulch Road Comment
  CAS-BOT-BC422364  Schedonorus arundinaceus Peter Rubtzoff 1962-6-13 4911 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC283658  Schedonorus pratensis Greg de Nevers 1997-5-31 11013 Sonoma NW of Finnell Cabin, Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC111434  Schoenoplectus acutus var. occidentalis Mary P. Wells 1987-5-17 s.n. Sonoma Marsh by Llano Road Comment
  CAS-BOT-BC111632  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh; freshwater part. Comment
  CAS-BOT-BC111636  Schoenoplectus californicus Peter Rubtzoff 1955-8-6 2020 Sonoma Bodega Harbor Marsh. Comment
  SD134081  Schoenoplectus californicus Peter Rubtzoff 1962-8-3 5030 Sonoma Lower Salmon Creek Marsh, in open wet mud, formerly under water. 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
  CAS-BOT-BC111799  Schoenoplectus pungens var. badius Peter Rubtzoff 1954-8-10 1679 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC111803  Schoenoplectus pungens var. badius Ella D. Cantelow 1941-4-14 3638 Sonoma Near mouth of Salmon Creek near the Pacific Ocean. Comment
  UCD50153  Schoenoplectus pungens var. badius Mary M. Hektner 1975-6-3 201 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC111839  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest Hills, 5.5 miles East of Guerneville. Comment
  UC1254996  Scirpus cernuus Alan A. Beetle 1941-7-8 2854 Sonoma coastal bluffs 5 mi n Steward Point; n of Steward Point Comment
  UCR248961  Scirpus maritimus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh 0 Comment
  UCR249061  Scirpus maritimus Peter Rubtzoff 1954-8-6 2021 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC111118  Scirpus microcarpus Gregory Clark de Nevers 1992-7-25 10234 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 304 Comment
  JEPS86771  Scirpus microcarpus Jack and Betty Guggolz 1990-6-19 1069 Sonoma bed Maacamas Creek on the Ferrari-Carano Ranch about 12 km e Healdsburg; Maacamas Creek on the Ferrari-Carano Ranch, e of Healdsburg 70 Comment
  SEINET12050533  Scoliopus bigelovii F. H. Utech 1988-1 88 -198 Sonoma 6 mi W of junction of Willow Creek Rd & Coleman Valley Rd on former along Willow Creek 40 Comment
  SEINET12057679  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -002 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  SEINET12332454  Scrophularia californica F. H. Utech 1988-1 88 -204 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  UCD124561  Scrophularia californica Frederica Bowcutt 1994-5-21 1835 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. On side of hillside trail past the junction with Digger Pine trail approx. 1 mile. 411 Comment
  SEINET10582627  Scrophularia californica subsp. californica Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2616 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
  UCD151191  Scutellaria californica James A. Neilson Jr. 1974-7-10 2846 Sonoma Mayacmas Mountains, west side of Cobb Mountain, along road to PG and E geothermal units 9 and 10 at the Geysers. (Elevation estimated using a topo map by label maker.) 960 Comment
  UCD160919  Scutellaria californica James A. Neilson Jr. 1975-7-8 3382 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  CAS-BOT-BC371431  Sedum radiatum subsp. radiatum Greg de Nevers 1997-4-17 10949 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC418400  Sedum spathulifolium Alice Eastwood 1915-6-6 4695 Sonoma Mt. St. Helena Comment
  UC615252  Sedum spathulifolium Beryl O. Schreiber 1934-5-16 1125 Sonoma near Healdsburg; near Healdsburg Comment
  CAS-BOT-BC62202  Selaginella wallacei Greg de Nevers 1992-3-18 10090 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 475 Comment
  CDA9639  Selaginella wallacei D. G. Kelch 2007-5-13 7 .3 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC363430  Senecio aronicoides A. A. Heller; H. E. Brown 1902-4-11 5264 Sonoma Bodega Bay Comment
  RSA0012701  Senecio aronicoides R. F. Thorne 1965-4-20 34332 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  CAS-BOT-BC327426  Senecio flaccidus var. douglasii Volney Rattan 1887-7-25 s.n. Sonoma Valley Springs Comment
  JEPS128269  Senecio vulgaris Roger Raiche 2000-4-8 025 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET9327115  Senecio vulgaris John Nelson, Wnek, Richard 2000-3-7 20942 Sonoma On open gravelly ground next to driveway at Fern Grove Cottages; W side of Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  CAS-BOT-BC173675  Senecio vulgaris Peter Rubtzoff 1954-9-4 1723 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC80318  Sequoia sempervirens A. A. Heller; H. E. Brown 1902-3-16 5080 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC80323  Sequoia sempervirens F. G. Krauss 1893-11-1 s.n. Sonoma Knights [Canon] Canyon Comment
  UCD135198  Sequoia sempervirens Loredo-Prendeville; Nicole Canon 1993-4-24 54 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 195 Comment
  YM-YOSE15451  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles South in Santa Rosa in Bennet Valley Comment
  CDA39792  Setaria parviflora Peter Warner 2013-8-12 295 Sonoma Green Valley Road, 0.15 miles east of junction with Bones and Maddocks Roads. Comment
  RSA264737  Sherardia arvensis Peter Rubtzoff 1971-5-8 6453 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  RSA448561  Sidalcea M. K. Curran 1886-6-5 s.n. Sonoma Valley Ford Comment
  CAS-BOT-BC187888  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-4 569 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC213156  Sidalcea calycosa subsp. rhizomata L. R. Abrams 1920-7-3 7617 Sonoma Stewarts Pt. Comment
  UC796565  Sidalcea diploscypha Roxana S. Ferris and Laura Lorraine 1948-6-9 11662 Sonoma on road to Kellogg 11 mi from Geyserville; 11 mi from Geyserville 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
  SJSU8470  Sidalcea malviflora T. A. Wayne III 1962-4-21 72 Sonoma 3 mi N of Santa Rosa through Bennett Valley Comment
  UCD14885  Sidalcea malviflora Chris Chan 1991-3-5 6 Sonoma California, Sonoma Co.; along Bay Hill Road on a southwest-facing hill overlooking Bodega Bay; 182 Comment
  CHSC63918  Sidalcea malviflora subsp. purpurea John Hale 1990-4-10 16 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
Read comments
Sep 2 2009
  UCD116826  Sidalcea malviflora subsp. purpurea Chris Bowen 1974-5-19 134 Sonoma near Pacific Ranch, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC213172  Sidalcea oregana subsp. valida Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7813 Sonoma Kenwood Marsh Comment
  UCR249911A  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 152 Comment
  CAS-BOT-BC311840  Silene Peter Rubtzoff; H. A. Froebe 1971-5-30 6477 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC251240  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC258685  Silene Peter Rubtzoff 1962-6-21 4935 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC311803  Silene Peter Rubtzoff 1974-5-19 7444 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads, near the end of Hall Road. Comment
  JEPS128281  Silene coniflora Roger Raiche 2005-4-22 018 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC392492  Silene gallica Greg de Nevers 1997-5-23 11008 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. 457 Comment
  UCR143600  Silene gallica G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC392496  Silene gallica Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  RSA94642  Silene gallica Peter Rubtzoff 1952-5-10 1020 Sonoma Pitkin Marsh, near Forestville; bordering the Upper Marsh in the east. Comment
  UCD98635  Silene gallica Frederica Bowcutt; Botany 102 Students 1994-5-21 1814 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. 426 Comment
  UCD98711  Silene gallica Rimy Waraich; Patti Togioka 1993-5-8 240 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail. 365 Comment
  UC1745645  Silene multinervia Annetta M. Carter 1947-5-30 1841 Sonoma S slopes of Hood Mt. N of Milo S Baker residence, Kenwood. Comment
  CAS-BOT-BC389884  Silene scouleri subsp. scouleri Alice Eastwood 1899-6-1 s.n. Sonoma Bodega Point Comment
  OBI32715  Simmondsia chinensis David J. Keil 1983-1-5 16618 Sonoma N of Guaymas along coast just S of Catch 22 airfield at Playa de los Algodones Comment
  SBBG1135  Sisyrinchium bellum H. and M. Dearing 1939-5-14 3371 Sonoma Bodega State Park [Bodega Dunes State Beach] 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
  SEINET7042393  Sisyrinchium bellum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC1134675  Smilacina stellata E. Armstrong 1934-3-26 933 Sonoma 1 mi n Camp Meeker; Sebastopol Quadrangle 121 Comment
  CAS-BOT-BC164412  Solanum Peter Rubtzoff 1966-8-29 s.n. Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166694  Solanum Peter Rubtzoff 1959-9-19 4277 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164416  Solanum Peter Rubtzoff 1960-9-17 4568 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  RSA227217  Solanum americanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCD166506  Solanum americanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UC914097  Solanum physalifolium var. nitidibaccatum Herbert A. Thomas 1935-11-23 Sonoma Burbank Farm Comment
  CAS-BOT-BC173686  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC164657  Sonchus Peter Rubtzoff 1955-9-24 2153 Sonoma Duncans Mills Marsh. Comment
  UCD148378  Sonchus Peter Rubtzoff 1955-9-24 2153 Sonoma Duncans Mills Marsh. Comment
  UC1130589  Sparganium erectum subsp. stoloniferum H. S. Yates 1936-5-17 5634 Sonoma 2 mi ne Graton; Sebastopol Quad. 30 Comment
Read comments
Sep 25 2008
  CAS-BOT-BC390048  Spergula arvensis Barbara Stuart Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC251260  Spergularia Peter Rubtzoff 1954-7-3 1519 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC390973  Spergularia marina Alice Eastwood 1921-5-8 10453 Sonoma Petaluma 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-BC376238  Spiranthes porrifolia Greg de Nevers 1995-7-20 10762 Sonoma Field redacted by CAS, contact the data manager for more information 487 Comment
  CAS-BOT-BC534886  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, in the open, in water Comment
  CAS-BOT-BC502053  Stachys Peter Rubtzoff 1963-10-5 5295 Sonoma Brooks Gulch Marsh Comment
  UCLA71586  Stachys ajugoides var. ajugoides John Thomas Howell 1930-6-8 5228 Sonoma 4 mi e Valley Ford (Bodega Road) Comment
  UCD151140  Stachys rigida James A. Neilson Jr. 1973-6-6 3047 Sonoma Mayacmas Mountains. The Geysers. Site A. (Elevation estimated using Google Earth by label maker.) 441 Comment
  SEINET12331118  Stachys rigida subsp. quercetorum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -179 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  SEINET12331121  Stachys rigida subsp. quercetorum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -153 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  UCD19189  Stachys rigida var. quercetorum Ray Hoffman 1976-5-31 22 Sonoma 0.3 mi. south of junction of State Hwy 116 and Moscow Rd., 0.2 mi. south on Freezeout Rd. 15 Comment
  CAS-BOT-BC251170  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1938 Sonoma Forestville Marsh. Comment
  UC465523  Stellaria littoralis Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  RSA800341  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. Comment
  JEPS78239  Streptanthus barbiger Charley Patterson 1979-6-22 Sonoma ca 3 air mi sw Whispering Pines (recently disturbed fire break); Whispering Pines Quad Comment
Read comments
Apr 16 2007
  UC1492711  Streptanthus barbiger Freed W. Hoffman 1950-5-24 3359 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  UC972158  Streptanthus brachiatus Helen K. Sharsmith 1952-6-18 4129 Sonoma near junct. of Socrates Mine Road with Pine Flat-Middletown road; Inner North Coast Ranges, Mayacamas Mountains 975 Comment
  JEPS128292  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2009-4-30 030 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  JEPS86337  Streptanthus glandulosus subsp. secundus Jack and Betty Guggolz 1988-5-8 928 Sonoma outcrop on e side of Pine Flat Road 7.9 mi from Hwy 128 Comment
  UC1492785  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-4 2904 Sonoma along road at base of mt 2.2 mi from Healdsburg Park (e of Healdsburg); North Coast Ranges, Fitch Mountain Comment
  CAS-BOT-BC87292  Streptanthus glandulosus subsp. secundus Mrs. H. C. Campbell 1921-5-10 s.n. Sonoma Fitch Mountain. Comment
  UC1292747  Streptanthus glandulosus subsp. secundus Freed W. Hoffman Apr 1948 2701 Sonoma near Guerneville (Gabes Rock); North Coast Ranges Comment
  UC1292749  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-25 2909 Sonoma Hart Hill gate on road from Cazadero along Morhardt Ridge to Happy Hills Farm North Coast Ranges 441 Comment
  UC985962  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma Del Preti Hill North Coast Ranges Comment
  CAS-BOT-BC87295  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-3 1141 Sonoma South slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC87297  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  UC673192  Streptanthus glandulosus subsp. sonomensis Lincoln Constance and Reed C. Rollins 1942-5-10 2863 Sonoma 4 mi n Geyserville; North Coast Ranges 60 Comment
  CAS-BOT-BC87303  Streptanthus glandulosus subsp. sonomensis Doreen Smith 2003-5-1 s.n. Sonoma Coleman Valley Road. South of the road. Comment
  SEINET11993499  Streptanthus glandulosus var. secundus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -236 Sonoma end of Stoetz Road 200 Comment
  SEINET11998401  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60139 Sonoma NE of healdsburg, Reservoir Hill (end of Sunnyvale Dr) 104 Comment
  UC10916  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC540838  Symphoricarpos Peter Rubtzoff 1973-8-18 7219 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC353794  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 a Sonoma e side Los Guilucos Valley (road to Youngman's) Comment
  CAS-BOT-BC97817  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 768 Sonoma Lower part of the Upper Masrh Comment
  CAS-BOT-BC97824  Symphyotrichum chilense Greg de Nevers 1987-1-1 8121 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC97826  Symphyotrichum chilense J. W. Congdon 1880-9-12 s.n. Sonoma Petaluma Comment
  UC1485932  Symphyotrichum lentum Charles Patterson 1980-9-13 Sonoma Hog Island (n tip) Hog Island Comment
  UC1041032  Symphyotrichum spathulatum J. W. Congdon 1880-9-12 Sonoma Petaluma Comment
  UC469054  Symphyotrichum subspicatum Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CAS-BOT-BC221968  Taeniatherum caput-medusae John Thomas Howell 1967-6-17 42595 Sonoma Hot Springs Road sw. of Cloverdale Comment
  UC1023608  Taeniatherum caput-medusae Virginia Bufford 1936-5-21 349 Sonoma Geyser Road 4 mi from Geyserville; Geyser Road Comment
  CAS-BOT-BC157679  Taraxacum Peter Rubtzoff 1974-4-17 7367 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC447461  Tellima grandiflora Mary P. Wells 1981-4-19 s.n. Sonoma Forest near So. fork Gualala River, The Sea Ranch 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
  UCSB2086  Thalictrum fendleri var. polycarpum Keator, Glenn 1959-3-31 Sonoma At northern city limits of Occidental on Occidental-Monterio highway Comment
  CAS-BOT-BC399887  Thalictrum polycarpum Greg de Nevers 1996-4-21 10796 A Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  POM68315  Thermopsis californica var. californica Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC66820  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-4-14 5287 Sonoma Near Mark West Springs. Comment
  CHSC57363  Thysanocarpus curvipes var. elegans Shelly A. Kirn 1991-3-28 7 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  UCD151188  Thysanocarpus laciniatus James A. Neilson Jr. 1974-4-17 2892 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  RSA0049966  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles NE of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  RSA0049967  Thysanocarpus radians 1931-4-2 6041 Sonoma Boyes Springs. Comment
  CHSC20584  Tiarella trifoliata var. unifoliata Robert A. Schlising; Glenn Keater 1965-5-22 2823 Sonoma California Coast Ranges. North of Occidental about 1 mile. Comment
  UC496421  Tiarella trifoliata var. unifoliata Merle Randall 1930-6-11 Sonoma Cazadero Comment
  CAS-BOT-BC447589  Tiarella trifoliata var. unifoliata L. R. Abrams 1920-7-3 7599 Sonoma Gualala River Comment
  CAS-BOT-BC447598  Tiarella trifoliata var. unifoliata Volney Rattan 1877-6-14 118 Sonoma Guernville Comment
  SD88503  Tofieldia glutinosa subsp. occidentalis Darley F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh. Comment
  UCR265119  Tonella tenella Ann Howald 2015-4-1 3317 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  RSA523395  Tonella tenella Harry K. Roberts 1968-4-6 s.n. Sonoma North side of Mt Jackson, 1.5 airline miles NNE of Rio Nido, on road to lookout, ca 1 mile NE of Sonoma Mercury Mine. 320 Comment
  SD131965  Tonella tenella Harry K. Roberts 1968-4-6 Sonoma North side of Mt. Jackson, 1I(c) air-line miles n.ne. of Rio Nido, on road to lookout, ca. 1 mile n.e. of Sonoma Mercury Mine 320 Comment
  UCD93245  Torreyochloa pallida var. pauciflora H. S. Yates 1936-6-16 5590 Sonoma 2 miles SE of Forestville. 30 Comment
  SEINET7295150 Image available Torreyochloa pallida var. pauciflora A. S. Hitchcock 1908-1 2702 Sonoma Sherwood Comment
  UCR265117  Toxicoscordion fontanum Ann Howald 2015-1-30 3311 Sonoma North Coast, Coastal terrace, c. 3 miles southeast of Del Mar Point 64 Comment
  OBI49194  Tragopogon porrifolius Sonoma 1935-5-13 9268 Sonoma 3 mi W Santa Rosa on Sebastopol rd Comment
  SEINET7972629  Trichostema laxum M. J. Williams, W. Roderick 1978-7-18 78- 228 -2 Sonoma Near Occidental. Comment
  SEINET11996903  Trientalis latifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -274 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC173536  Trifolium Peter Rubtzoff 1974-6-2 7510 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173625  Trifolium Peter Rubtzoff 1974-4-17 7374 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166769  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173578  Trifolium Peter Rubtzoff; Nancy Harrison 1978-5-20 9188 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC173637  Trifolium Peter Rubtzoff 1976-5-30 8556 Sonoma Kenwood Marsh. Comment
  RSA784990  Trifolium Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCSC010635  Trifolium R. Morgan 2014-5-12 5637 d Sonoma Bodega Head Comment
  CAS-BOT-BC480358  Trifolium albopurpureum D. E. Breedlove 1976-3-27 39448 Sonoma above Dry Creek, west of Warm Springs Dam Comment
  SEINET7096777  Trifolium albopurpureum var. dichotomum A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane.Ca 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  CAS-BOT-BC217056  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma Near Petaluma Comment
  UC188464  Trifolium barbigerum J. W. Congdon 1880-5-9 Sonoma Petaluma Comment
  UC1076192  Trifolium barbigerum Herbert L. Mason 1934-4-28 8095 Sonoma Hwy betw Healdsburg and Santa Rosa Comment
  UC1784221  Trifolium barbigerum Milo S. Baker Apr 1932 5913 Sonoma Highway south of Stewart's Point Comment
  SEINET7067270  Trifolium barbigerum var. andrewsii A. G. Vestal 1947-5-13 s.n. Sonoma About 1.6 miles east of Annaplis on the Annapolis Road. Coordinate datum: NAD27. UTM 10, 425816mE, 4285229mN. Comment
  NY33717  Trifolium bifidum var. decipiens J. M. Bigelow 1853-1 404 Sonoma Comment
  JEPS65801  Trifolium ciliolatum W. L. Jepson 1921-5-6 9814 Sonoma Calistoga to Parker Creek, grade summit Comment
  UCD108381  Trifolium depauperatum var. depauperatum Christine Lee 1993-4-24 91 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  LA205212  Trifolium depauperatum var. truncatum M. S. Baker; May 1935 8077 Sonoma Bennett Valley Road, 0.5 mi. E of Santa Rosa Fair Grounds Comment
  UCD108803  Trifolium dichotomum A. A. Heller; H. E. Brown 1902-4-14 5290 Sonoma Near Mark West Springs. Comment
  UCD33226  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Lytton. Comment
  UCD167338  Trifolium dubium James A. Neilson Jr. 1983-5-9 4091 Sonoma Mayacmas Mountains. About 3 mi north of beginning of Geysers-Healsderg Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC361286  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Double Ponds and Turtle Pond 400 Comment
  RSA0060108  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley, marsh at base of hills at south end of the valley, on the Bavarian Lion Ranch. 91 Comment
  UC866777  Trifolium fucatum Alice Eastwood 1917-5-13 Sonoma rd to Bodega Point 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
  UCD165133  Trifolium hydrophilum Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). 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
  UCD111235  Trifolium incarnatum Allen Hahus 1978-4-22 18 Sonoma 0.25 mile west of Jonive Road on Highway 12. Comment
  JEPS128293  Trifolium microcephalum Roger Raiche 2005-4-22 012 .05 Sonoma The Cedars. 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
  UC631549  Trifolium microcephalum P. B. Kennedy 1915-5-31 Sonoma Anapolis Comment
  UC165622  Trifolium microdon Milo S. Baker 1898-5-7 642 Sonoma Glen Ellen Comment
  UCD151178  Trifolium microdon James A. Neilson Jr. 1974-4-16 2843 Sonoma Mayacmas Mountains. The Geysers. Near sulphur bank number 13, geothermal wells 1 and 3. (Elevation estimated using Google Earth by label maker.) 487 Comment
  UCD165155  Trifolium microdon Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD33225  Trifolium microdon Beecher Crampton 1967-5-15 7926 Sonoma Sonoma County, Lytton. Comment
  SEINET9336961  Trifolium microdon Unknown 1967-5-15 7926 Sonoma Foothill slopes, serpentine soils. Comment
  UCD109256  Trifolium oliganthum Botany 102 Students 1993-4-24 98 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. 396 Comment
  UCD109323  Trifolium striatum Frederica Bowcutt 1996-5-21 2141 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 S of Red Mtn. in Adobe Canyon. 396 Comment
  UCD147006  Trifolium tomentosum Robert E. Preston 2011-4-28 2851 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  UCD165165  Trifolium variegatum Peter Rubtzoff 1974-5-26 7485 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD35304  Trifolium variegatum Beecher Crampton 1955-4-5 2405 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  JEPS128367  Trifolium willdenovii Roger Raiche 2000-4-2 015 .00 Sonoma The Cedars. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  UC496412  Trifolium willdenovii Merle Randall 1930-4-7 Sonoma Redwood Grove Cazadero Comment
  RSA66920  Trifolium willdenovii E. K. Balls 1951-5-3 16403 Sonoma Ca. 1 mi. e. from Petrified Forest, road to Calistoga 610 Comment
  OBI78224  Trifolium wormskioldii Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood Comment
  RSA582648  Trifolium wormskioldii Jens Clausen 1935-5-24 1091 Sonoma 6.2 miles south of Jenner. Comment
  CAS-BOT-BC520853  Trillium albidum Greg de Nevers 1993-4-6 10361 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  UC1084348  Trillium albidum G. Thomas Robbins 1937-3-25 2 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  CAS-BOT-BC520842  Trillium albidum G. DeNevers 1982-4-30 1956 Sonoma Pepperwood Ranch: Riparian area at Mark West Creek and Leslie Creek Comment
  CAS-BOT-BC520846  Trillium albidum Mrs. F. B. Trosper 1922-3-29 s.n. Sonoma Sonoma 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
  SEINET3888776  Trillium ovatum D. W. McNeal 1976-4-3 1883 Sonoma Beside the Occidental-Monte Rio Rd., 3.0 mi. n. of Occidental.; 0 Comment
  SEINET3991692  Trillium ovatum Unknown 1951-3-24 Sonoma Duncan Mills Comment
  JEPS76913  Trillium ovatum subsp. ovatum Robert M. Lloyd 1963-2-24 2045 Sonoma abandoned picnic ground 0.5 mi. n. of Occidental on rd. to Camp Meeks 45 Comment
  SD81262  Triphysaria eriantha subsp. rosea Darley F. Howe 1969-5-29 Sonoma Sea bluff at Sea Ranch Comment
  CAS-BOT-BC376400  Triphysaria pusilla Greg de Nevers 1996-5-3 10796 C Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Trail to Franz Creek from Murry Gate. 400 Comment
  OBI49266  Triphysaria versicolor subsp. faucibarbata Michener & Bioletti, Bioletti May 1892 s.n. Sonoma Shellville Comment
  UC1222442  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1931-3-29 9321 Sonoma Knights Valley; Northern Coast Ranges, Knights Valley 152 Comment
  UC1334875  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-24 432 Sonoma on State Highway #128, 15 mi nw Calistoga Comment
  UC27192  Triphysaria versicolor subsp. faucibarbata H. N. Bolander 1860-1 3850 Sonoma Mark West Comment
  UC27194  Triphysaria versicolor subsp. faucibarbata Harley P. Chandler 1900-5-25 675 Sonoma Bodega Comment
  UC1334862  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-5-3 665 Sonoma on State Highway #1, 2 mi n Bodega Bay; n of Bodega Bay Comment
  UC1133278  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 1 mi nw Mountain View School; Sebastopol Quad. 91 Comment
  UCD93496  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  JEPS64193  Triteleia hyacinthina Eleanor Armstrong 1932-5-25 512 Sonoma near Mark West Springs 152 Comment
  CAS-BOT-BC527034  Triteleia laxa Dorothy Scherer 1997-5-20 116 Sonoma Ca. 25' north of Hwt 1 MM. 34.00 and 50' east, Fort Ross State Historic Park 38 Comment
  CAS-BOT-BC527042  Triteleia laxa John H. Thomas 1976-6-16 18330 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SEINET12050379  Triteleia laxa F. H. Utech 1988-1 88 -191 Sonoma Willow Creek marsh & adjoining meadows, ca 1.5 mi E of CA 1 on Willow Creek Road 10 Comment
  SEINET12057263  Triteleia laxa F. H. Utech 1978-6-26 78 -256 Sonoma Salt Pt. SP 24 Comment
  CAS-BOT-BC527968  Triteleia peduncularis John Thomas Howell 1935-5-5 12606 Sonoma Low Field near Kenwood Comment
  CAS-BOT-BC527974  Triteleia peduncularis Peter Rubtzoff 1951-6-9 168 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  POM222729  Triteleia peduncularis J. T. Howell 1935-5-5 12606 Sonoma Low field near Kenwood. Comment
  UCD164988  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC91283  Umbellularia californica Walter Knight; Irja Knight 1964-11-15 774 Sonoma Hood's Peak at Johnson Lake. Comment
  OBI13414  Umbellularia californica Robert F. Hoover 1968-2-23 10894 Sonoma Graton-Occidental road Comment
  CAS-BOT-BC382822  Uropappus lindleyi D. E. Breedlove 1983-5-4 58699 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CDA7733  Uropappus lindleyi D. G. Kelch 2007-5-13 7 .294 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC404233  Urtica dioica subsp. holosericea Peter Rubtzoff 1958-8-17 3890 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road) Comment
  CAS-BOT-BC404237  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-7-27 1584 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC404225  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-8-29 7279 Sonoma Sonoma Creek bottom near Auga [Agua] Caliente Road crossing west of Agua Caliente Comment
  CAS-BOT-BC193981  Vaccinium cespitosum Milo S. Baker 1940-1-1 9670 Sonoma Perry's Marsh, Gravenstein Highway Comment
  CAS-BOT-BC193387  Vaccinium ovatum Peter Rubtzoff 1953-5-17 1386 Sonoma Forested hills south of Guerneville, Neeley Mill area. Comment
  UCD36699  Vaccinium ovatum Beecher Crampton 1955-6-17 2980 Sonoma Sonoma County, 0.5 mile north of Camp Meeker, on road to Monte Rio. Comment
  JEPS33033  Vancouveria planipetala Elizabeth Van E. Ferguson Jun 8 1919-Jun 10 1919 248 Sonoma near Guernewood; Russian River, near Guernewood Comment
  CAS-BOT-BC135765  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 miles north of Fort Ross Comment
  CAS-BOT-BC156315  Verbascum Peter Rubtzoff 1955-7-17 1976 Sonoma [Guernerville] Guerneville Marsh Comment
  UCD166734  Verbascum blattaria Peter Rubtzoff 1955-7-17 1976 Sonoma Guerneville Marsh. Comment
  CDA16001  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15681 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  RSA0051267  Verbena Greg de Nevers 1992-7-25 10227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  UCD125639  Verbena lasiostachys Frederica Bowcutt 1994-7-5 1933 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground. 381 Comment
  CAS-BOT-BC157680  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC164361  Veronica Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC262805  Veronica Peter Rubtzoff 1974-9-7 7867 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCD166504  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  UCR244665  Veronica Peter Rubtzoff 1966-6-5 5757 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC166741  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  JEPS66218  Veronica americana T. I. Chuang and L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6905 Sonoma Pitkin Marsh Comment
  RSA786488  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Freestone Marsh Comment
  UCD148335  Veronica americana Peter Rubtzoff 1954-8-13 1711 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC164369  Veronica peregrina Peter Rubtzoff 1958-4-26 3594 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCR255034  Veronica peregrina Greg de Nevers 1998-4-21 11159 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC267245  Viburnum ellipticum D. E. Breedlove 1980-6-27 44777 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC73219  Vicia sativa Milo S. Baker 1898-5-7 596 Sonoma Glen Ellen Comment
  RSA582459  Vicia villosa Joseph A. Ewan 1935-5-13 9245 Sonoma 2.5 miles west of Santa Rosa: Sebastopol Road. Comment
  UC1742244  Viola Milo S. Baker 1948-5-17 12040 Sonoma Brookside Garden Comment
  UC1742246  Viola Milo S. Baker 1909-1 Sonoma Brookside Garden Comment
  POM135111  Viola adunca A. A. Heller, H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay Comment
  UC1761581  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation (Baxman Ranch) Comment
  CAS-BOT-BC270247  Viola adunca Ella Dales Cantelow 1939-4-10 4569 Sonoma 2.3 miles S of Stewarts Point Comment
  UCD110688  Viola douglasii L. Whitney 1932-4-1 s.n. Sonoma Santa Rosa. Vine Hill. Comment
  CAS-BOT-BC5196  Viola helleriana Amos Arthur Heller; H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay. Comment
  UC1761515  Viola lobata Milo S. Baker 1926-3-31 165 a Sonoma Triniti[sic] Road 1 mi from hwy Comment
  UC1121589  Viola ocellata E. Armstrong 1934-4-15 1208 Sonoma 4 mi se of Occidental 152 Comment
  UC35301  Viola ocellata J. Burtt Davy 1896-3-16 1680 Sonoma Cazadero Comment
  UC762287  Viola ocellata R. F. Hoover 1941-5-14 5075 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  HSC21828  Viola ocellata Malcolm L. Byce 1936-3-22 168 Sonoma Camp Miller, 3.5 mi. W of Cazadero, towards Ft. Ross, on Ward Creek Comment
  CAS-BOT-BC135287  Viscum album Stanley Rose 1966-5-8 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CDA2765  Viscum album S. Rose 1966-1-2 1090 Sonoma About 1 mile from Sebastopol on Gravenstein Highway North. 0 Comment
  RSA0020340  Vitis Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 mi east of Guerneville, along Russian River. Comment
  RSA0121714  Vitis californica Lewis S. Rose 1968-6-25 68115 Sonoma Rincon Ridge, NE of Santa Rosa. 122 Comment
  SEINET10691477  Vitis californica John H. Redfield 1872-8-26 Redfield 1106 Sonoma Geysers Comment
  CAS-BOT-BC199906  Vulpia bromoides Peter Rubtzoff 1955-6-4 1899 Sonoma Stony Point Marsh Comment
  CAS-BOT-BC199902  Vulpia bromoides G. DeNevers 1981-5-14 1152 Sonoma Small Canyon N of Pippindale pond Comment
  UCD93701  Vulpia microstachys K. Wagnon 1940-5-4 260 Sonoma Adobe Canyon. Comment
  UC1146644  Vulpia microstachys var. ciliata Freed W. Hoffman 1941-6-1 2184 Sonoma Oregon Canyon; North Coast Ranges Comment
  CAS-BOT-BC184135  Vulpia microstachys var. microstachys Greg de Nevers 1987-6-1 8183 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC1023598  Vulpia microstachys var. pauciflora Virginia Bufford 1936-5-20 345 Sonoma 3 mi from Mark West (Kellogg-Mark West Rd) Comment
  UCD151153  Vulpia myuros James A. Neilson Jr. 1973-6-7 2964 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment