Search Results — 2000 specimen records retrieved (1269 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC177032  Acacia dealbata Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 s.n. Sonoma Trinity Road 457 Comment
  UCD160514  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 702 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.66. 53 Comment
  CAS-BOT-BC451110  Acaena pinnatifida var. californica W. P. Vestal; A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross Comment
  CAS-BOT-BC332797  Acer macrophyllum Irja Knight; Walter Knight 1964-11-15 785 Sonoma Hood's Peak at Johnson Lake Comment
  SEINET12233937  Acer negundo Unknown 1947-1 98 Sonoma County rd 1/2 mi W of Freezeout creek across Russian River, Duncan Mills Comment
  UC1171645  Acer negundo var. californicum H. S. Yates 1934-4-21 3809 Sonoma near Markham; Duncan's Mills Quad., near Markham 15 Comment
  UC891015  Achillea millefolium Milo S. Baker 1932-6-10 5879 Sonoma north of, next to beach Salmon Creek Comment
  NY380619  Acmispon aestivalis A. A. Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  OBI48781  Acmispon brachycarpus L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, ca 9 mi ENE of Geyserville. The Geysers quad T11N R8W, sec 32 914 Comment
  UCD35507  Acmispon cytisoides Beecher Crampton 1957-7-22 4395 Sonoma Along State Hwy. 1, 0.25 mile north of Fort Ross. Comment
  UCD104106  Acmispon glaber Frederica Bowcutt 1994-6-12 1871 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail above Adobe Canyon Road (road visible from trail.) Less than 1/8 mile SW of trail juncture with Pony Gate Gulch Creek. 326 Comment
  CAS-BOT-BC391710  Actaea rubra Peter Rubtzoff 1957-4-28 3294 Sonoma Duncans Mills Marsh area Comment
  POM56895  Adenocaulon bicolor A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UCD128405  Adenocaulon bicolor Frederica Bowcutt 1994-6-12 1873 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon just south of Adobe Canyon Road. Western trail ahead for Canyon Trail. 274 Comment
  CHSC26308  Adiantum aleuticum P. Kunst 1977-4-12 24 Sonoma Ca. 2 yd n of Coleman Valley Creek and 2.7 mi w of Occidental. 219 Comment
  RSA12257  Adiantum aleuticum C. B. Wolf 1934-6-29 5802 Sonoma 6/10 of a mile inland from Stewart's Point. 61 Comment
  CAS-BOT-BC65685  Adiantum jordanii Walter Knight; Irja Knight 1964-2-16 524 Sonoma Mill Creek Road Comment
  UC1201284  Adiantum jordanii E. Samuels 230 Sonoma Comment
  UCD137241  Adiantum jordanii C. Wistrom 1996-5-26 36 Sonoma Healdsburg. 1735 Dry Creek Road. 48 Comment
  CAS-BOT-BC368050  Aegilops triuncialis Greg de Nevers 1989-6-8 9074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC9073  Aegilops triuncialis Thomas C. Fuller 1960-6-14 4483 Sonoma Roadside near Golf Course, Los Alamos Rd., ca. 6 mi. E/Santa Rosa Comment
  UCD51559  Aegilops triuncialis T. C. Fuller 1960-6-14 4484 Sonoma Weeks Ranch, Los Alamos Road, 8 miles NE/Santa Rosa. Comment
  SEINET12237259  Aesculus californica F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -074 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 107 Comment
  UCD166070  Agoseris Peter Rubtzoff 1971-5-30 6479 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CHSC8156  Agoseris apargioides M. Banning 1969-5-10 116 Sonoma 2 mi N. Bodega Bay on Hwy 1, roadside. 30 Comment
  CAS-BOT-BC184  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC29572  Agoseris apargioides var. eastwoodiae Alice Eastwood 1915-6-29 4893 Sonoma Bodega Point Comment
  UCD159446  Agoseris apargioides var. eastwoodiae D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 203 Sonoma Bodega head. Sonoma coast state beach. Cliff overlooking sea. Abundant. 20 Comment
  SD99422  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Creek Road, 8.6 miles west of Geyserville. 89 Comment
  UCD161266  Agoseris retrorsa James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3710 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-BC176392  Agrostis Peter Rubtzoff 1967-8-22 5854 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC376368  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  RSA0051268  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  RSA785933  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh. Comment
  SEINET10717804  Agrostis P. Rubtzoff 1967-8-22 Rubtzoff 5857 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UCR119152  Agrostis californica Beecher Crampton 1957-7-11 4344 Sonoma Central Coast, 4.6 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1, Duncan's Point. Sandy slopes above bluffs. 30 Comment
  CAS-BOT-BC126965  Agrostis exarata Greg de Nevers 1992-6-26 10208 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  CAS-BOT-BC126967  Agrostis exarata A. A. Heller 1902-6-7 5654 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC126974  Agrostis exarata Peter Rubtzoff 1951-8-18 622 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC126976  Agrostis exarata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road. 15 miles east of Stewarts Point. Comment
  SD180634  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma Northeast Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. Ao mile east of Geyser Resort area, Big Sulfur Creek. Comment
  UC1146692  Agrostis exarata Freed W. Hoffman 1943-10-2 2171 Sonoma on Ross Road near Graton; North Coast Ranges Comment
  UCD52126  Agrostis exarata Beecher Crampton 1956-6-26 3619 Sonoma about 8 miles northwest of Calistoga, State Hwy. 120. Comment
  UCD160916  Agrostis hallii James A. Neilson Jr. 1975-7-24 3060 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 792 Comment
  UCD52714  Agrostis hallii Beecher Crampton 1959-6-16 5382 Sonoma 1 mile E of Occidental. Comment
  CAS-BOT-BC139119  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  SEINET4341234  Agrostis oregonensis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  CDA21566  Agrostis pallens D. G. Kelch 2003-7-14 3 .382 Sonoma Cavedale Road. Comment
  OBI4948  Agrostis pallens Robert F. Hoover 1965-6-29 9477 Sonoma N of summit on Harrison Grade Rd near Occidental Comment
  UCD55788  Aira caryophyllea var. capillaris Beecher Crampton 1955-4-5 2406 Sonoma 2 miles west of Fulton. Comment
  SEINET11689067  Aira praecox H. K. Wagnon 1989-1 1873 Sonoma Salt Pt. State Park 0 Comment
  CAS-BOT-BC445349  Alisma lanceolatum Peter Rubtzoff 1958-7-20 3783 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road). Comment
  UC1130600  Alisma plantago-aquatica H. S. Yates 1936-5-17 5633 Sonoma 2 mi ne Graton; Sebastopol Quad. 30 Comment
  RSA69760  Alisma triviale F. W. Peirson 1925-8-8 6344 Sonoma 5 miles S of Santa Rosa. Comment
  CAS-BOT-BC466698  Allium cepa Peter Rubtzoff 1963-8-17 5226 Sonoma Near Petaluma River, just east of Petaluma Comment
  UC1333294  Allium dichlamydeum Malcolm L. Byce 1936-5-20 627 Sonoma Bodega Bay Comment
  CAS-BOT-BC469102  Allium dichlamydeum Milo S. Baker 1932-5-3 5948 Sonoma 1 mile north of Salmon Creek Comment
  SD56754  Allium dichlamydeum Darley F. Howe 1963-7-2 3716 Sonoma 4.2 miles north of junction with #12 on #1. On sea bluff. Comment
  JEPS128211  Allium falcifolium Roger Raiche 2000-5-5 088 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD141806  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma south side of Petaluma Valley Ford Hwy, 2 miles NE of Two Rock. Comment
  CAS-BOT-BC371473  Allium vineale Greg de Nevers 1994-6-29 10527 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the road below Red Corral. 400 Comment
  CAS-BOT-BC478830  Allium vineale Greg de Nevers 1994-6-29 10527 Sonoma On road below Red Corral, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  CDA2730  Allium vineale J. T. Howell 1976-6-2 51809 Sonoma At Sonoma Joe s, Petaluma. 0 Comment
  SEINET7220232  Allotropa virgata W. Roderick 1967-6-18 s.n. Sonoma Ida Clayton Rd. NW side of Mt. St. Helena 610 Comment
  CAS-BOT-BC169655  Alnus rhombifolia Peter Rubtzoff 1960-6-9 4488 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC169657  Alnus rhombifolia Peter Rubtzoff 1960-6-9 4491 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  UCD110038  Alnus rubra B. Crampton 1957-7-22 4369 Sonoma Above Fisherman's Bay, 0.3 miles south of Stewart's Point. Along State Hwy. 1. Comment
  CAS-BOT-BC138044  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1951-6-10 200 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC138046  Alopecurus aequalis var. sonomensis John Thomas Howell 1947-6-5 23229 Sonoma Cunningham Marsh. Comment
  UCD55892  Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1.5 miles east of Occidental. 91 Comment
  CAS-BOT-BC257987  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7846 Sonoma Southern area of Kenwood Marsh, ca. 0.5 miles south of Kenwood. Comment
  RSA126163  Amaranthus hybridus J. T. Howell 1946-8-17 s.n. Sonoma Cunningham Comment
  SD30763  Ambrosia chamissonis Edith A. Purer 1932-7-21 4044 Sonoma Bodega Bay, Sandy bluff Comment
  SD39979  Ambrosia chamissonis Edith A. Purer 1932-7-16 4030 Sonoma Bodega Bay, sandy bluff Comment
  RSA90498  Amelanchier florida M. V. Ott 1934-3-31 82 Sonoma Larkspur Hill about 3 miles W of Bodega, near the coast. Comment
  UC58118  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma woods near Cazadero Comment
  CAS-BOT-BC361327  Amorpha californica Greg de Nevers 1997-8-17 11081 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  SEINET2028844 Image available Anagallis arvensis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15219 Sonoma 2 miles north of Kellogg Comment
  CAS-BOT-BC137791  Andropogon virginicus var. virginicus Walter Knight; Irja Knight; Stephen W. Edwards 1986-8-17 5505 Sonoma Sweetwater Springs Road. Comment
  CAS-BOT-BC391876  Anemone grayi Ella Dales Cantelow 1939-4-10 2602 Sonoma About 3 mi. w. [or n.] of Plantation School House Comment
  CAS-BOT-BC221431  Angelica hendersonii Walter Knight; Irja Knight 1963-8-13 166 Sonoma Horseshoe Cove Comment
  CDA38227  Angelica hendersonii T. C. Fuller 1957-9-24 398 -57 Sonoma Stewarts Point. 0 Comment
  UCD126257  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC271523  Anisocarpus madioides Edw. L. Greene 1894-6-14 s.n. Sonoma Knight's Valley Comment
  CAS-BOT-BC271439  Anisocarpus madioides Peter Rubtzoff 1954-6-5 1454 Sonoma Hills south of Guerneville, Neeley Hill area Comment
  CAS-BOT-BC173816  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  RSA796687  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA187522  Anthemis cotula John H. Thomas 1966-3-18 11481 Sonoma Edge of vineyard at Italian Swiss Colony vineyard at Asti, very, very common in vineyards and in disturbed habitats, Sonoma County Comment
  RSA47832  Anthoxanthum aristatum L. Beane, Lois E. James 1949-5-11 1942 Sonoma About half way between Healdsburg and Windsor Comment
  CAS-BOT-BC280669  Anthoxanthum occidentale Peter Rubtzoff 1953-5-17 1377 Sonoma Vacation Beach, near Guerneville Comment
  SD56677  Anthoxanthum odoratum Darley F. Howe 1963-7-3 3594 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
Read comments
Feb 6 2010
  JEPS83374  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma e side Fitch Mt. (just s of resort area on e side, Healdsburg); Healdsburg, Healdsburg Quad. (7.5', 1955) 45 Comment
  JEPS11931  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Francis W. Pennell Jul 2 1940-Jul 3 1940 26038 Sonoma ne of Kenwood Springs 304 Comment
  UC192719  Antirrhinum virga Michener and Bioletti May 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC237923  Antirrhinum virga Milo S. Baker 1926-1-1 230 a-Local Sonoma Macartney Ranch - Los Gulicos [Guilicos] Val. Comment
  CAS-BOT-BC457592  Aphanes occidentalis John H. Thomas 1966-3-22 11537 Sonoma Near the intersection of Occidental Road and Facedini Lane between Occidental and Graton, 1 mile east of Occidental. Serpentine. Comment
  UC32476  Apiastrum angustifolium V. K. Chesnut before August, 1901 Sonoma Sonoma County Comment
  UCD128212  Aralia californica Frederica Bowcutt 1994-6-24 1900 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Vista Trail about between Headwaters Trail and Gray Pine Trail. 457 Comment
  POM367169  Arbutus menziesii Christopher Davidson 1977-6-20 6014 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UCD117476  Arbutus menziesii Jennifer Bury; Peggy Herzog 1993-5-8 266 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 100 ft. above parking lot, on Lower Bald Mountain Trail. 402 Comment
  UCD168049  Arceuthobium campylopodum James Neilson 1981-7-1 4044 Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  JEPS98901  Arctostaphylos James Roof and Walter Knight 1967-3-20 Sonoma Guerneville Road about 1/2 mi from Vine Hill Road toward Santa Rosa on N side of road Comment
  RSA629211  Arctostaphylos Jon E. Keeley 1993-9-11 24779 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629216  Arctostaphylos Jon E. Keeley 1993-9-11 24777 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629218  Arctostaphylos Jon E. Keeley 1993-9-11 24785 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629221  Arctostaphylos Jon E. Keeley 1993-9-11 24786 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629226  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
  UC1042531  Arctostaphylos John Thomas Howell 1933-4-2 10948 Sonoma 8 mi w Santa Rosa Comment
  UC424805  Arctostaphylos Milo S. Baker 1930-3-8 3899 b Sonoma Frei Bros. Ranch Vine Hill Region Comment
  CDA11253  Arctostaphylos bakeri G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-5 11876 Sonoma North Coast Biodiversity Arena; Approx. 1 m. N of Camp Meeker on Bohemian Hwy. 0 Comment
  CHSC39445  Arctostaphylos bakeri B. A. Stein 1981-3-7 447 Sonoma Harrison Grade Rd, east of Occidental. 243 Comment
  UC518012  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10956 Sonoma 2 mi e Occidental Comment
  CDA38593  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. Comment
  UCD166539  Arctostaphylos canescens Dylan O. Burge 2016-2-16 2040 Sonoma Gilfillian Vineyard, roadside on Cavedale Road. 400 Comment
  CAS-BOT-BC23974  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-5 4567 Sonoma Petrified Forest Comment
  UC1388356  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1947-8-4 1426 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  UC1388358  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1947-3-12 753 Sonoma Trinity road ne Kenwood (w slope of range); North Coast Ranges, Napa Range Comment
  UC549707  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1022 Sonoma e Sta. Rosa; Rincon Ridge Comment
  UC549708  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1023 Sonoma e Sta. Rosa; Rincon Ridge Comment
  RSA202104  Arctostaphylos canescens var. candidissima Freed W. Hoffman 1948-5-10 2677 Sonoma East face Cobb Mt. 1220 Comment
  SEINET11984865  Arctostaphylos canescens var. sonomensis R. Gankin, Hildreth, W. R.; Milam, K. 1965-1 517 Sonoma 0.2 mi on Rockridge Lane on Montecito Rd, on Sones Property, Rincon Ridge, Santa Rosa Comment
  CAS-BOT-BC23602  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11745 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC23644  Arctostaphylos columbiana Roman Gankin; W. R. Hildreth; Milam 1965-4-13 497 Sonoma .1 mile north of Timber Cove, eat of State Highway 1. Comment
  POM202851  Arctostaphylos columbiana J. T. Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point. Comment
  CAS-BOT-BC24977  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3858 Sonoma From California Native Plant Society's Preserve on Vine Hill School Road. Near Graton. Comment
  CAS-BOT-BC24997  Arctostaphylos densiflora J. Clausen 1933-3-26 744 Sonoma Vine Hill Schoolhouse, 10 mi. W of Santa Rosa, along road. Comment
  LA42171  Arctostaphylos densiflora E. B. Copeland; 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  RSA107817  Arctostaphylos densiflora L. S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mies W of Santa Rosa Comment
  SBBG28870  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma Vine Hill Schoolhouse, 10 mi W of Santa Rosa Comment
  UC1120149  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1564 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC424817  Arctostaphylos densiflora Milo S. Baker 1930-3-1 3882 Sonoma along hwy by Frei Ranch; Vine Hill region Comment
  UC535026  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House (some hundreds of yds e from type locality) Comment
  RSA0003106  Arctostaphylos densiflora J. T. Howell 1933-4-2 10951 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC361404  Arctostaphylos glandulosa Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  CDA11142  Arctostaphylos glandulosa subsp. glandulosa G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11553 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  UC473583  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5779 Sonoma Vine Hill District Comment
  CAS-BOT-BC24722  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5170 Sonoma S. of Mt. Tam. 5.1 mi. w. on kelly Road from Rockpile Road junction. 609 Comment
  CAS-BOT-BC39112  Arctostaphylos hispidula Roger Raiche 1984-1-14 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile road). 518 Comment
  RSA339410  Arctostaphylos hispidula Walter Knight, Irja Knight, Stephen W. Edwards 1985-1-27 5172 Sonoma south of Mt. Tom 5.1 miles west on Kelly Road from Rockpile Road junction 609 Comment
  UCSB24400  Arctostaphylos hispidula McMinn, H. 1936-4-5 Sonoma Two miles east of Occidental Comment
  CAS-BOT-BC38988  Arctostaphylos manzanita Roger Raiche 1983-7-3 30476 Sonoma East Austin Creek State Rec. Area, near Redwood Lake, at edge of forest on north-facing slope. 365 Comment
  RSA633062  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 23713 Sonoma Along Calistoga Road, 18 km southwest of Highway 128. 220 Comment
  UCD160759  Arctostaphylos manzanita James A. Neilson Jr.; Teresa A. Sholars 1974-6-6 3258 Sonoma Mayacmas Mountains, ca. 3.5 miles west of Glenbrook and Bottle Rock Road., vicinity of Caldwell Pines. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET11990961  Arctostaphylos manzanita Unknown 1983-1 30499 D Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990965  Arctostaphylos manzanita Unknown 1983-1 30475 Sonoma Morrison Ridge above Gilliam Creek, East Austin Creek State Recreation Area 274 Comment
  SEINET11990971  Arctostaphylos manzanita Unknown 1983-1 30491 C Sonoma near Manning's Flat Campground, Austin Creek State Rec. Area 122 Comment
  SEINET11996224  Arctostaphylos manzanita J. T. Vale, Wagnon, K. 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  SEINET12524595 Image available Arctostaphylos manzanita L. S. Rose 1940-1 40004 Sonoma Rincon Ridge, 2 mi E of Santa Rosa 61 Comment
  UCD51921  Arctostaphylos manzanita John M. Tucker 1977-6-16 4393 Sonoma On Shurtleff Ranch off Chalk Hill Road to the east; ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 121 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
  SEINET11994915  Arctostaphylos manzanita subsp. glaucescens W. Knight, Knight, I. 1987-1 6083 Sonoma Pepperwood Preserve, Garrison Canyon 122 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-BC38697  Arctostaphylos manzanita subsp. manzanita Aven Nelson; Ruth Ashton Nelson 1933-5-14 549 Sonoma Open woods on the hillsides of Kenwood, Baker's Home Comment
  CAS-BOT-BC38704  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-20 5107 Sonoma Near Windsor Comment
  CAS-BOT-BC38746  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1932-3-12 5762 Sonoma Hillsides between Franz Valley and Knights Valley Comment
  RSA13422  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA364362  Arctostaphylos manzanita subsp. manzanita Walter Knight, Irja, Knight Research Associates, Roger Raiche, Steve Edwards, B. K. Knight 1983-7-3 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch. 274 Comment
  UC1121475  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 835 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC726694  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1941-6-4 16161 Sonoma on the Gurneville Road about 2 mi n Graton Comment
  SEINET11994911  Arctostaphylos manzanita subsp. manzanita W. Knight, Knight, I. 1987-1 6084 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  UCD52048  Arctostaphylos manzanita subsp. manzanita Frederica Bowcutt 1996-2-25 2065 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 mile NNW of Bald Mtn. (elev. 2275'); just N of Meadow Trail. 693 Comment
  CAS-BOT-BC45397  Arctostaphylos nummularia Mary P. Wells 1986-1-9 405 B Sonoma Off Pilot's Reach, The Sea Ranch. Comment
  CAS-BOT-BC47346  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-12-27 471 Sonoma Pine Flat Rd., Circle S Ranch. Comment
  RSA636807  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24745 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1093994  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55009 Sonoma 2 mi w Graton 121 Comment
  RSA107836  Arctostaphylos stanfordiana subsp. stanfordiana L. S. Rose 1955-3-21 53034 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. 152 Comment
  RSA297193  Arctostaphylos stanfordiana subsp. stanfordiana Edward Lee, W. A. Setchell 1936-6-7 2190 Sonoma South ridge fire trail, Bohemian Grove. Comment
  RSA202120  Arctostaphylos stanfordiana subsp. stanfordiana Freed W. Hoffman 1947-4-13 782 Sonoma Magnesite Lodge, Gilliam creek, near Guerneville. Comment
  RSA96695  Arctostaphylos stanfordiana subsp. stanfordiana P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20376 Sonoma 4 mi. s.w. of Lake-Sonoma Co. line, n.w. to w. slope Mt. St. Helena. 640 Comment
  CDA11141  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11552 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Comment
  RSA177958  Arctostaphylos viscida R. F. Thorne 1965-4-20 34383 Sonoma Charles Newman's Place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  HSC7741  Arctostaphylos viscida P. J. Zinke 1949-6-19 63 Sonoma Divide between Smith and Dry Creek 457 Comment
  SEINET11989191  Arctostaphylos viscida S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge, N of Cazadero, NW of King Ridge Rd at source of Big Austin Creek Comment
  JEPS21819  Arctostaphylos viscida subsp. viscida Roy Ramberg 1958-4-5 Sonoma one-half mi from end of Alta Vista Road; Santa Rosa, Montecito 91 Comment
  CAS-BOT-BC47462  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight 1964-1-26 822 Sonoma Ca 1 m. high. Foote's Ravine north end Knight's Valley. 1 mi W. Ida Clayton Rd. Comment
  SEINET9291368  Armeria maritima Unknown 1994-5-25 Sonoma Bodega Head Comment
  CAS-BOT-BC64582  Armeria maritima subsp. californica Alice Eastwood; John Thomas Howell 1939-4-2 7372 Sonoma Coast n. of Bodega Bay. Comment
  SEINET11933459  Armeria maritima var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -145 Sonoma between Salmon Creek & Cormet, junction Coleman Valley Road & CA 1 12 Comment
  CAS-BOT-BC82560  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC82561  Arnica discoidea Greg de Nevers 1996-6-17 10833 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  CAS-BOT-BC82563  Arnica discoidea James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  SEINET14286772  Arrhenatherum elatius D. Keil 1983-1 17210 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC146277  Arrhenatherum elatius var. elatius David L. Morgan 1956-6-10 s.n. Sonoma On the Bohemian Highway, 2 miles south of Occidental. Comment
  JEPS36962  Artemisia douglasiana W. L. Jepson 1931-7-19 15935 Sonoma Watson School Bodega 152 Comment
  CAS-BOT-BC90486  Artemisia douglasiana Robert M. King 1980-7-8 8409 Sonoma Vicinity of Bodega Bay Comment
  UC762327  Asarum caudatum Robert F. Hoover 1941-5-14 5100 Sonoma Hills north of Bodega Comment
  RSA12258  Asarum caudatum C. B. Wolf 1934-6-29 s.n. Sonoma 6/10 of a mile inland from Stewart s Point. 61 Comment
  JEPS49956  Asclepias fascicularis W. L. Jepson 1921-9-12 9487 Sonoma Alexander Valley 45 Comment
  UC449988  Asclepias fascicularis Harriet A. Walker 1908-6-7 1164 Sonoma Santa Rosa Comment
  UCD160918  Asclepias fascicularis James A. Neilson Jr. 1975-7-8 3380 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  SEINET197693  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains. 975 Comment
  UC1299580  Asclepias solanoana Freed W. Hoffman 1947-5-30 549 Sonoma Layton Mine; North Coast Ranges, Austin Creek Comment
  JEPS79502  Aspidotis densa Edward Lee with W. A. Setchell 1936-6-7 2191 Sonoma s ridge fire trail Bohemian Grove Comment
  UC399500  Aspidotis densa Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  POM58104  Aster lentus Jos Burtt Davy 1897-9-19 s.n. Sonoma Petaluma Marshes, near rail road track Comment
  CAS-BOT-BC361382  Asteraceae Greg de Nevers 1997-2-18 10906 Sonoma Highway 101, near Cloverdale Comment
  UC1199085  Astragalus breweri Joseph P. Tracy 1921-5-26 5798 Sonoma 6 mi nw Cloverdale (moist flat along highway); Northern Coast Ranges, nw of Cloverdale 304 Comment
  CAS-BOT-BC178662  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
  RSA415795  Astragalus claranus J. T. Howell 1931-4-19 6431 Sonoma 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa. Comment
Read comments
Nov 17 2007
  CAS-BOT-BC186818  Astragalus gambelianus M. S. B. 1925-4-19 270 a-Local Sonoma Near Bruner's, Sonoma Mt. Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  RSA227215  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1958-8-23 3911 Sonoma Laguna de Santa Rosa east of Cunningham Comment
  CAS-BOT-BC17428  Athysanus pusillus A. A. Heller; H. E. Brown 1902-3-24 5142 Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC290668  Atriplex Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UC1034625  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach at Salmon Creek; beach at Salmon Creek Comment
  SEINET11933972  Atriplex patula W. Knight, Knight, I. 1984-1 5419 Sonoma In flood plain along Petaluma River 3 Comment
  SEINET237205  Avena barbata B. Crampton 1955-3-15 2326 Sonoma Old grape vineyards of the Italian Swiss Colony Winery Asti Comment
  UCD38525  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma Asti. Comment
  CAS-BOT-BC68342  Azolla filiculoides Peter Rubtzoff 1959-6-13 4133 Sonoma Willow Creek Marsh Comment
  RSA783715  Baccharis douglasii Peter Rubtzoff 1955-9-24 2148 Sonoma Duncan Mills Marsh Comment
  UCR279639  Baccharis glutinosa Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  CAS-BOT-BC99587  Baccharis pilularis John H. Thomas 1976-6-17 18354 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Coastal bluffs Comment
  UC336247  Baccharis salicifolia subsp. salicifolia H. T. Edwards 1877-5-1 321 Sonoma Knights Valley Comment
  SEINET8734646 Image available Baeria uliginosa Lewis S. Rose 1933-1 33156 Sonoma BODEGA BAY Comment
  CAS-BOT-BC16698  Barbarea orthoceras John Thomas Howell 1951-5-28 27497 Sonoma Laguna east of Sebastopol. Comment
  CDA18777  Barbarea orthoceras Boris Korotyaev 2000-3-26 s.n. Sonoma Northern California; Coleman Valley Rd. 4 km. W of Occidental. 0 Comment
  CAS-BOT-BC145839  Beckmannia syzigachne John Thomas Howell 1930-6-8 5239 Sonoma Bodega Road, 3 miles east of Valley Ford. Comment
  POM206249  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, southeast of Santa Rosa. Comment
  UCD56804  Beckmannia syzigachne H. S. Yates 1936-5-16 5620 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  RSA129086  Beckmannia syzigachne H. S. Yates 1937-5-6 6576 Sonoma Near Wildwood; Santa Rosa 122 Comment
  CDA43436  Bellardia trixago Stephanie Larson 2015-7-21 PDR# 49 UP06191162 Sonoma Near Highway 37. 0 Comment
  CAS-BOT-BC106394  Bellis perennis George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  UCD129545  Bellis perennis P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC75670  Berberis nervosa John Thomas Howell 1924-3-22 291 Sonoma Camp Meeker. Comment
  CAS-BOT-BC164688  Bidens cernua Peter Rubtzoff; Nancy Harrison; Edward Lee; Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  UCR248943  Bidens frondosa Peter Rubtzoff 1960-6-25 4509 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  RSA0015636  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC27854  Blennosperma bakeri Milo Samuel Baker 1946-3-28 11307 Sonoma Western outskirts of Sonoma Comment
  NY30994  Blennosperma bakeri L. S. Rose 1949-3-27 49015 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
  RSA0008301  Blennosperma bakeri Milo S. Baker 1952-3-20 12401 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur. Comment
  RSA128567  Blennosperma nanum Peter H. Raven 1954-2-27 6421 Sonoma Cavedale Road, ca. 3 miles north of Boyes Springs, Sonoma Valley. Comment
  CAS-BOT-BC154969  Boisduvalia Peter Rubtzoff 1971-6-23 6541 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC154875  Boisduvalia densiflora Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove on Lichan Road 426 Comment
  CAS-BOT-BC154972  Boisduvalia glabella Peter Rubtzoff 1963-7-27 5212 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC156320  Boisduvalia glabella Peter Rubtzoff 1955-8-6 2026 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC154866  Boisduvalia glabella Peter Rubtzoff 1964-8-26 5473 Sonoma 6.5 miles NE of Penngrove on Lichan Road 426 Comment
  RSA791564  Boisduvalia glabella Peter Rubtzoff 1960-6-25 4515 Sonoma Sonoma County Marshes: Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville Roads. Comment
  UCR249042  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1972-8-26 6859 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UC420422  Boykinia occidentalis Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC145444  Brachypodium distachyon G. DeNevers 1981-5-15 1188 Sonoma Pepperwood Ranch. On the ridge above Hansel's Lake, in a roadcut. Comment
  CAS-BOT-BC145446  Brachypodium distachyon Barrett Anderson 1987-4-27 3461 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  UCD57095  Brachypodium distachyon Frederica Bowcutt 1996-5-23 2151 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Lower Bald Mountain Trail. 472 Comment
  UC1130927  Brachypodium pinnatum R. C. Morehouse 1937-8-23 Sonoma 1 mi w of Bloomfield (George Jones Property) 30 Comment
  CAS-BOT-BC238186  Brassica napus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, across from entrance to the marine facility, along roadside Comment
  UCD18212  Brassica napus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, across from entrance to the marine facility, along roadside. Comment
  CAS-BOT-BC36618  Brassica nigra Mary P. Wells 1984-5-7 260 Sonoma Santa Rosa. Rincon Valley. Friends House. Comment
  SEINET10480785  Brassica nigra David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20710 Sonoma Collected 5.3 mi e of the jct of hwy 101 and hwy 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  UC1199316  Brickellia californica Joseph P. Tracy 1935-8-18 14745 Sonoma Knights Valley 152 Comment
  UC1299277  Brickellia californica Freed W. Hoffman 1946-8-16 786 Sonoma 1 mi below Guerneville (gravel bar along Russian River, North Coast Ranges); North Coast Ranges, Russian River Comment
  RSA604102  Briza maxima C. Wistrom 1996-5-26 35 Sonoma Healdsburg, 6101 Dry Creek Road 49 Comment
  SEINET4182957 Image available Briza maxima Robert F. Hoover 1941-5-14 5102 Sonoma Hills north of Bodega. Comment
  SEINET7042398  Briza maxima A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  CAS-BOT-BC145294  Briza minor G. DeNevers 1981-5-30 1379 Sonoma Pepperwood Ranch. On the shore of the Pippindale Pond, above the high water mark. Comment
  CAS-BOT-BC145296  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma Four miles west of Calistoga, just west of county line. Comment
  CDA36959  Briza minor CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  POM204989  Briza minor Michiner, Bioletti 1893-06 s.n. Sonoma Kenwood Comment
  UC750810  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma near Duncan Mills; Russian River Comment
  SEINET10835832  Briza minor George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3072 Sonoma In soil chinks on vertical seaside rock. 5 m S of Stewart's Point. Comment
  CAS-BOT-BC478965  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC132209  Brodiaea californica var. leptandra Milo S. Baker 1925-1-1 234 local Sonoma Adobe [Canon] Canyon above Kenwood Sps. Comment
  CAS-BOT-BC140074  Brodiaea californica var. leptandra Roger Raiche 1985-6-22 RR 50553 Sonoma West side of Dry Cr Valley and west of town site of Dry Creek, unnamed ridge north of Crane Cr and south of Bradford Mt. 161 Comment
  JEPS27976  Brodiaea elegans subsp. elegans Rimo Bacigalupi and L. Heckard 1961-6-9 7733 Sonoma at junction of Joy Road and Bittner Road 1.75 mi sw Occidental 249 Comment
  CAS-BOT-BC486539  Brodiaea elegans subsp. elegans Roxana S. Ferris; Laura Lorraine 1961-6-15 13573 Sonoma Junction of Occidental Road with Facendini Lane Comment
  SEINET7042390  Brodiaea jolonensis A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  JEPS5691  Brodiaea leptandra W. L. Jepson 1918-6-23 7657 Sonoma Poor Man's Flat Windsor Comment
  UCD77158  Brodiaea stellaris Robert E. Preston 2005-6-11 2351 Sonoma Ca. 4 mi W of Occidental, along Coleman Valley Rd 314 Comment
  SEINET9636479 Image available Brodiaea stellaris Fred W. Hoffman 1947-5-18 541 Sonoma ca. 2 miles east of Occidental. Comment
  UC37619 Image available Bromus arizonicus H. N. Bolander 3985 Sonoma Mark West Creek Comment
  UCD58250  Bromus carinatus Collector unknown 1941-4-1 Sonoma Santa Rosa. Franklin Ave. Comment
  CAS-BOT-BC149095  Bromus carinatus var. carinatus David L. Morgan 1956-4-9 s.n. Sonoma Mountain View Avenue. Comment
  CAS-BOT-BC149097  Bromus carinatus var. carinatus John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53991 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CDA15741  Bromus carinatus var. carinatus G. F. Hrusa 1998-6-14 14593 Sonoma Knights Valley; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena. Serpentine interfingering with volcanic substrate, this apparently on both. Common, bunching. Comment
  SEINET249950 Image available Bromus carinatus var. carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UC909756  Bromus carinatus var. carinatus Milo S. Baker Apr 1950 12160 Sonoma w of Mellita (Montgomery Drive); Montgomery Drive Comment
  CAS-BOT-BC155895  Bromus catharticus var. elatus Lewis S. Rose 1952-4-18 62024 Sonoma 1 mile northwest of Freestone. 76 Comment
  CAS-BOT-BC155897  Bromus catharticus var. elatus John Thomas Howell 1959-10-8 35097 Sonoma Near Hilton. On Russian River. Comment
  CDA43044  Bromus commutatus G. Radieve & J. Curtis 2014-4-14 Sono 0479 Sonoma Sugarloaf Ridge State Park. 0 Comment
  CAS-BOT-BC155669  Bromus diandrus A. A. Heller 1902-4-17 5322 Sonoma Santa Rosa. Comment
  SEINET4391007  Bromus diandrus Unknown 1999-4-19 s.n. Sonoma Bodega Bay Highway Comment
  CAS-BOT-BC155202  Bromus hordeaceus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC155212  Bromus hordeaceus K. Wagnon 1939-4-26 175 Sonoma Near Wagnon home, 5 miles west of Sebastopol. Comment
  UCD58689  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti. Comment
  SEINET11690154  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6278 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC162391  Bromus laevipes G. DeNevers 1981-6-27 1705 Sonoma Pepperwood Ranch. Summit of Franz Valley Road. Comment
  CAS-BOT-BC162396  Bromus laevipes G. DeNevers 1981-6-20 1591 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Comment
  UCR151572  Bromus madritensis Beecher Crampton 1954-4-26 1794 Sonoma N end of Alexander Valley, border of Mendocino Co., 3 miles north of Cloverdale along U.S. Highway 101 122 Comment
  UCD151142  Bromus madritensis subsp. rubens James A. Neilson Jr. 1973-6-7 3564 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  RSA126879  Bromus marginatus H. S. Yates 1937-5-31 6566 Sonoma 1 1/2 miles northeast of Petrified Forest. 335 Comment
  RSA0034599  Bromus racemosus Beecher Crampton 1956-4-24 3309 Sonoma Healdsberg, vacant lot at junction of Prince and Sherman Streets. Comment
  UCD60232  Bromus vulgaris B. Crampton 1955-6-17 2963 Sonoma 2 miles east of Fort Ross. Comment
  UCR37755  Cakile maritima A. C. Sanders 1985-1-19 5369 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCD114957  Cakile maritima Walter Russell 1947-3-5 4 Sonoma Bodega Bay. Comment
  CAS-BOT-BC36909  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  UCR254889  Calamagrostis Peter Rubtzoff, Nancy Harrison 1978-6-11 9217 Sonoma Cunningham Marsh area, along northern tributary of Blucher Creek, c. 1 air mile WSW of Cunningham Station 38 Comment
  SEINET241522 Image available Calamagrostis bolanderi Baraba Wilson, Sami Gray 1997-7-31 8900 Sonoma Sea Ranch; Big Tree loop trail, which originates between unites 27A and 29A off Timber Ridge Rd., off Deerfield Loop Rd. 171 Comment
  UC629977  Calamagrostis nutkaensis Leo F. Koch 1940-4-20 803 Sonoma along Hwy 1 nine mi s Stewarts Point 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
  SEINET10521062  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 Beetle 4012 Sonoma 10 miles north of Fort Ross, open coastal hills, grazed. Comment
  CAS-BOT-BC185117  Calamagrostis ophitidis R. F. Hoover 1965-6-29 9475 Sonoma North of summit of Harrison Grade road near Occidental. Comment
  JEPS86741  Calamagrostis ophitidis Jack and Betty Guggolz 1990-6-16 1085 Sonoma about 1 mi n Camp Meeker (upper end of reservoir on creek); Grub Creek 85 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
  UC1101513  Callitriche heterophylla var. bolanderi Malcolm A. Nobs 1949-8-1 1106 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  UC1197699  Calochortus amabilis Joseph P. Tracy 1933-5-1 12126 Sonoma Knights Valley Mayacama Creek 152 Comment
  UCD160859  Calochortus amabilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3297 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SBBG57657  Calochortus amabilis H. E. and S. T. Parks 1930-5-9 605 Sonoma Alexander Valley Comment
  SEINET6165529 Image available Calochortus amabilis Unknown 1981-5-18 s.n. Sonoma Franz valley rd 1/10 mile south of Franz valley school rd Comment
  CAS-BOT-BC492634  Calochortus luteus A. Day 1982-6-1 82 -64 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC492636  Calochortus luteus A. Day 1982-6-1 82 -62 Sonoma Pepperwood Ranch Comment
  SEINET12049778  Calochortus luteus F. H. Utech 1986-1 86 -098 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  CAS-BOT-BC270709  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 miles N of Occidental Comment
  JEPS20239  Calycadenia multiglandulosa R. F. Hoover 1938-6-14 3610 Sonoma 3 mi w of, on road to Occidental Graton Comment
  UCD129748  Calycadenia multiglandulosa Roxana S. Ferris; Laura Lorraine 1961-6-14 13548 Sonoma Junction of Occidental Road with Facendini Lane. Comment
  UC1953742  Calycadenia pauciflora 1978-8-19 2141 Sonoma 2.0 mi N of Hwy 128 on Ida Clayton Road (GDC 688) Comment
  CAS-BOT-BC371437  Calycadenia truncata Greg de Nevers 1997-7-29 11072 Sonoma Near Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Just south of Redwood Canyon on neighbor's land 400 Comment
  CAS-BOT-BC90998  Calycanthus occidentalis G. DeNevers 1981-6-20 1610 Sonoma Pepperwood Ranch. Along Mark West Creek. Also along Leslie Creek. Comment
  HSC3814  Calycanthus occidentalis M. E. Ferguson, E. Ferguson 1919-6-8 Sonoma Near Guerneville, Russian River. Comment
  JEPS40306  Calycanthus occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville (Russian River); Russian River Comment
  UC1196353  Calycanthus occidentalis Joseph P. Tracy 1935-7-7 14044 Sonoma near Geysers; Northern Coast Ranges 609 Comment
  UC72737  Calycanthus occidentalis Miss M. Alice King Jun 1897 Sonoma near Healdsburg Comment
  SEINET8565825 Image available Calycanthus occidentalis S. L. G. 1892-1 2919 Sonoma Comment
  UC494235  Calypso bulbosa Anna E. Ehlers April 1920 532 Sonoma Cascadero, (4 mi in redwoods) Cascadero 487 Comment
  UC353894  Calystegia collina subsp. collina Milo S. Baker 1927-5-7 2146 Sonoma Fitzsimmon's Grade , Fitzsimmon's Grade (Adobe Canyon) Comment
  UC1731250  Calystegia collina subsp. oxyphylla Dean W. Taylor 1997-5-7 15986 Sonoma The Cedars, headwaters Austin Creek, slope at head of drainage southward off hill 1904 North Coast Ranges 563 Comment
  JEPS78944  Calystegia purpurata Edward Lee 1936-6-7 2202 Sonoma South Ridge Bohemian Grove, South Ridge (Bohemian Grove, Grassy rocky slope, Fire trail) Comment
  CAS-BOT-BC224738  Calystegia purpurata subsp. saxicola Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Point Comment
  RSA697152  Calystegia purpurata subsp. saxicola J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  OBI35908  Calystegia soldanella David J. Keil 1983-6-29 17192 Sonoma Doran Beach County Park, Bodega Head Comment
  HSC15433  Camassia quamash subsp. linearis James Faro 1962-4-22 Sonoma Ocean Cove Ranch, 4 mi. N of Fort Ross on Hwy. 1 Comment
  UCR255884  Camassia quamash subsp. quamash Greg de Nevers 1996-4-18 10790 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  HSC16503  Camissonia ovata F. Demostene 1966-4-3 14 Sonoma 2 mi. E of Healdsburg Comment
  SBBG21139  Camissoniopsis cheiranthifolia subsp. cheiranthifolia V. Haraden 1941-7-13 1 Sonoma Bodega Bay 30 Comment
  UCD103489  Camissoniopsis intermedia Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  RSA135458  Campanula prenanthoides Volney Rattan 1877 Sonoma Guerneville. Comment
  SEINET10905891  Campanula prenanthoides Davy 1896-7-22 DAVY 4143 Sonoma ROCKS, RUSSIAN RIVER Comment
  OBI4431  Campsis radicans Robert J. Rodin 1968-9-9 8333 Sonoma On an old house in the contry on Ely Rd near Washington Blvd, Petaluma Comment
  HSC6632  Capsella bursa-pastoris C. S. Chavez 1965-6-3 79 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  CAS-BOT-BC37764  Cardamine californica Alice Eastwood 1922-3-25 11098 Sonoma Calistoga. Comment
  UC10434  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  UC10435  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  CAS-BOT-BC37776  Cardamine californica Alice S. M. McKenzie 1981-2-23 20 Sonoma Coast between Russian and Gualala Rivers. California State Highway 1 at Kolmer Gulch. Near road. Comment
  POM143725  Cardamine californica var. integrifolia A. A. Heller 1903-3-20 5104 Sonoma Near Windsor. Comment
  CDA18778  Cardamine hirsuta Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  CAS-BOT-BC38029  Cardamine oligosperma Peter Rubtzoff 1959-4-19 4044 Sonoma Ross Marsh. Comment
  CAS-BOT-BC38032  Cardamine oligosperma Peter Rubtzoff 1960-5-30 4428 Sonoma Vacation Beach, near Guerneville. Sandy Russian River bank. Comment
  CAS-BOT-BC173834  Carduus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  UC1795018  Carduus R. K. Brummitt, A. Wolf, and R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat Road near Red Hill 650 Comment
  UCD148413  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. 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
  SEINET5713022  Carduus pycnocephalus Peta Lewis 1967-1 13 Sonoma Ca. 2 miles east on River Road, 3 miles north of Guerneville.; Guerneville 23 Comment
  UCD161841  Carex James A. Neilson Jr. 1975-7-8 3379 a Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC173806  Carex Peter Rubtzoff; Nancy Harrison 1978-5-20 9184 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC353416  Carex abrupta Peter Rubtzoff 1959-6-6 s.n. Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC18138  Carex athrostachya Peter Rubtzoff 1954-7-4 1532 Sonoma Austin Creek Marsh. Comment
  UCR208536  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UCR208538  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton [Rd.], south of Woolsey Road Comment
  UCR248947  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma Marsh on River Road, c. 3 miles west of Fulton 27 Comment
  UCR250040  Carex barbarae Peter Rubtzoff 1974-6-2 7512 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC329312  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncans Mills Marsh. Comment
  CDA34811  Carex bolanderi Peter Warner 2010-7-8 171 Sonoma Jenner Headlands, along main road across property, ~ 4.1 km W 322 deg. N of Duncans Mills. Comment
  CAS-BOT-BC18987  Carex densa Lewis S. Rose 1939-5-14 39117 Sonoma Bodega. 30 Comment
  CAS-BOT-BC20477  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13019 Sonoma Sebastopol. Comment
  CAS-BOT-BC20506  Carex densa Peter Rubtzoff 1960-5-15 4323 Sonoma Sonoma County Marshes. Fife Creek Marsh. Comment
  CAS-BOT-BC474744  Carex densa James A. Neilson, Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers 731 Comment
  SEINET11052744  Carex densa Peter Rubtzoff 1960-5-15 4337 Sonoma Fife Creek Marsh [near Guerneville] Comment
  CAS-BOT-BC20497  Carex densa Peter Rubtzoff 1958-5-3 3621 Sonoma Sonoma County Marshes. Atascadero Creek Marsh. Comment
  CAS-BOT-BC20502  Carex densa Peter Rubtzoff 1962-6-1 4862 Sonoma Sonoma County Marshes. Upper Freestone Marsh. Comment
  CAS-BOT-BC19897  Carex echinata subsp. phyllomanica John Thomas Howell 1945-5-30 20892 Sonoma Pitkin Marsh. Comment
  RSA0031406  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC320552  Carex feta Peter Rubtzoff; Tim Tunison 1976-6-5 8586 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCR208523  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma North Coast Range, Bennet Mountain Lake Comment
  SEINET7558582 Image available Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  UCD112453  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma Bennett Mountain Lake. Comment
  CDA6109  Carex globosa D. G. Kelch 2007-5-13 7 .298 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC20442  Carex globosa Charles Piper Smith 1908-4-3 1391 Sonoma The Pacific Slope. Guerneville, 3 miles east along the road to Forestville. Comment
  UC8079  Carex gracilior H. N. Bolander 1866-4 4635 Sonoma Petaluma Comment
  UC857  Carex gracilior H. N. Bolander April 1864 3814 Sonoma near Mark West Creek Comment
  CAS-BOT-BC20458  Carex gracilior J. W. Stacey 1933-4-16 s.n. Sonoma Santa Rosa. Comment
  SEINET3901419  Carex gynodynama Lewis S. Rose 1964-6-3 64053 Sonoma N end of Bodega Bay.; 0 2 Comment
  UCR253014  Carex gynodynama Peter Rubtzoff 1964-6-3 5348 Sonoma Bodega Bay Marsh 15 Comment
  CAS-BOT-BC249315  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh Comment
  SEINET7561245 Image available Carex harfordii Andrew L. Hipp, Glen C. Clifton 1999-5-27 349 Sonoma Marsh opposite entrance to Doran Beach Park, Bodega Harbor Marsh. 15 Comment
  CAS-BOT-BC419694  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  RSA0023073  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC419696  Carex lasiocarpa Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31172  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  UC1026419  Carex lemmonii Peter Rubtzoff 1951-7-8 403 Sonoma near Forestville (Pitkin Marsh, lower part of the upper marsh) Comment
  UC1147785 Image available Carex lemmonii J. T. Howell and J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh; ; Pitkin Marsh, Sonoma Co. Comment
  UCD140481  Carex leporina Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  RSA0034190  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh. Comment
  UCR249079  Carex leptopoda Peter Rubtzoff, Nancy Harrison 1974-7-13 7680 Sonoma Upper Green Valley Marsh Comment
  JEPS128364  Carex mendocinensis Roger Raiche 2000-5-28 123 .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
  JEPS128371  Carex mendocinensis Roger Raiche 1999-9-20 035 .99 Sonoma The Cedars, Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC422366  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  CAS-BOT-BC310305  Carex obnupta Peter Rubtzoff 1964-6-20 s.n. Sonoma Laguna de Santa Rosa, southeast of Sebastopol (near Cooper Road). Comment
  UCD150841  Carex obnupta 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
  RSA0025195  Carex obnupta Peter Rubtzoff 1958-5-17 3658 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd.) Comment
  RSA0022359  Carex pachystachya Peter Rubtzoff 1964-5-20 5316 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC118940  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  RSA0022397  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC329279  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC26247  Carex sonomensis John Thomas Howell; J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC117358  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13021 Sonoma Sebastopol Comment
  CAS-BOT-BC116932  Carex subbracteata Peter Rubtzoff 1960-5-16 4352 Sonoma Duncan Mills Marsh. Comment
  UCR208531  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh 9 Comment
  UCD140916  Carex subfusca Peter Rubtzoff 1954-7-5 1537 Sonoma Guerneville Marsh. Comment
  RSA0020341  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh. Comment
  UCD140928  Carex tumulicola Botany 102 Students 1993-5-8 292 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  UCD140933  Carex tumulicola Beecher Crampton 1956-4-24 3304 Sonoma Alexander Valley. Comment
  UCD150593  Carpobrotus edulis Collector unknown 1974-5-1 s.n. Sonoma Bodega Head, near Bodega Bay. 2 Comment
  CAS-BOT-BC281919  Carthamus lanatus Walter & Irja Knight; J. T. Howell 1988-7-9 s.n. Sonoma SE corner Adobe Rd and Petaluma Hill Rd. Penngrove Comment
  RSA285910  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 1 mile W of the Asti turn off of the freeway, Hwy 101, Asti. Comment
  JEPS74987  Castilleja ambigua subsp. ambigua T. I. and F. M. Chuang 1975-7-5 7518 Sonoma s side Pitkin Marsh Comment
  POM179763  Castilleja ambigua subsp. ambigua J. T. Howell 1930-6-8 5226 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  UC27155  Castilleja ambigua subsp. ambigua F. T. Bioletti Jun 1893 Sonoma Glen Ellen Comment
  UCR45081  Castilleja applegatei subsp. martini L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  JEPS9948  Castilleja attenuata W. L. Jepson 1921-5-6 9188 Sonoma Porter Creek 365 Comment
  UCD160875  Castilleja foliolosa James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3285 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC243849  Castilleja latifolia Ella Dales Cantelow 1939-4-10 2606 Sonoma 4 1/2 mi. NW of Bodega Comment
  CAS-BOT-BC243854  Castilleja latifolia J. Clausen 1935-5-24 1088 Sonoma 5.1 mi. S of Jenner on the Bodega Road Comment
  CAS-BOT-BC243856  Castilleja latifolia John Thomas Howell 1934-3-3 11735 Sonoma Bodega Bay Comment
  SDSU10562  Castilleja subinclusa subsp. franciscana D. F. Howe 1965-8-3 4100 Sonoma 2.4 miles E on Bodega Bay on #1. Comment
  JEPS33889  Castilleja wightii Lloy Thurman and Ted Crovello 1964-4-12 Sonoma about 5 mi s Jenner (along the coast (Highway 1)) Comment
  JEPS60453  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6691 Sonoma 0.25 mi from Willow Creek Road junction with Highway 1 (on Willow Creek Road, just s of Russian River) Comment
  JEPS60457  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-30 6696 Sonoma about 1 mi s Stewart's Point Comment
  UC1341770  Castilleja wightii Noel H. Holmgren and James L. Reveal 1966-6-6 2650 Sonoma 2 mi s Calif. Hwy. 1 junction with Calif. Hwy. 116 (Calif. Hwy. 1) Comment
  CAS-BOT-BC366948  Caulanthus lasiophyllus Greg de Nevers 1997-4-16 10945 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC47799  Ceanothus John Thomas Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  RSA21909  Ceanothus confusus J. T. Howell 1937-4-11 12908 Sonoma Sonoma Creek Canyon at M S Baker's. Comment
  SBBG122268  Ceanothus confusus D. O. Burge 2007-4-10 833 b Sonoma Goodspeed Trail, near jct of Bear Crk and Sonoma Crk, SE flank of Mount Hood 200 Comment
  UC1071291  Ceanothus confusus C. M. Belshaw 1936-3-8 1571 Sonoma Rincon Ridge, 1 1/2 mi N of County Farm 251 Comment
  RSA1353  Ceanothus cuneatus B. D. Stark 1929-7-22 584 Sonoma Sonoma-Mendocino County line. Comment
  UC1299546  Ceanothus cuneatus var. cuneatus Freed W. Hoffman 1947-5-30 520 Sonoma Layton Mine, Auston Creek North Coast Ranges Comment
  HSC39116  Ceanothus divergens Gary S. Lester 1974-2-9 65 Sonoma Annadel State Park off Lawndale Rd. 488 Comment
  UC1614464  Ceanothus foliosus Charles M. Belshaw 1936-3-8 1580 Sonoma 3 1/2 mi. n.w. Kenwood; Inner N. Coast Range 144 Comment
  RSA25702  Ceanothus foliosus Carl B. Wolf 1941-7-17 11021 Sonoma N coast range, Trinity Mt. 1/8 miles W of summit of grade 610 Comment
  SEINET13945888 Image available Ceanothus foliosus G. Thomas Robbins 1938-1 257 Sonoma Along road to Occidental W of Green Valley Comment
  UC1254089  Ceanothus foliosus var. foliosus J. A. Delapp 1964-3-20 72 Sonoma Black Mountain 487 Comment
  RSA300966  Ceanothus foliosus var. vineatus D. C. Michener 1982-7-26 4118 Sonoma Vine Hill School road, 100' west of Vine Hill school, lot west of residence 6096; north road bank between vineyard and road Comment
  CAS-BOT-BC49998  Ceanothus gloriosus Milo S. Baker 1935-4-1 8028 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50008  Ceanothus gloriosus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50014  Ceanothus gloriosus John Thomas Howell 1937-4-11 12904 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC70430  Ceanothus gloriosus var. exaltatus Milo S. Baker 1898-4-2 24 Sonoma near Guerneville. Comment
  RSA25701  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-17 11022 Sonoma 1 mile NW of Sebastopol along Hwy 12; 1 mile even from main corner. 30 Comment
  CAS-BOT-BC49978  Ceanothus gloriosus var. gloriosus John Madison; Mary P. Wells; Mary Rhyne 1985-11-4 699 Sonoma Pygmy Forest ca. 1/2 mi. South of the Gualala River Comment
  UC1198031  Ceanothus incanus Joseph P. Tracy 1935-7-7 14045 Sonoma near the Geysers 609 Comment
  UC80042  Ceanothus integerrimus Katharine Brandegee May 1890 Sonoma Geysers Comment
  JEPS46062  Ceanothus jepsonii Eleanor Armstrong 1933-4-15 790 Sonoma Camp Meeker 289 Comment
  UC1299548  Ceanothus jepsonii Freed W. Hoffman 1947-2-28 765 Sonoma near Guerneville (headwaters of Gilliam Creek); North Coast Ranges, headwaters of Gilliam Creek Comment
  CAS-BOT-BC51130  Ceanothus jepsonii var. albiflorus Roger Raiche 1985-4-6 RR 50182 Sonoma Dry Cr area nr Healdsburg, ridge W of Dry Cr Val, unnamed rd N of Dorman Cyn on ridge 243 Comment
  CAS-BOT-BC51131  Ceanothus jepsonii var. albiflorus Marie Kelly 1958-4-1 s.n. Sonoma In northern Sonoma Co. SE. of McDonald Comment
  UC75645  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC51877  Ceanothus parryi Peter Rubtzoff 1953-5-17 1384 Sonoma Forested hills South of Guerneville (Neeley Hill area) Comment
  RSA240625  Ceanothus parryi C. W. Tilforth, John Dourley 1973-7-18 910 a Sonoma Graton Rd. 1 mi E of Occidental Comment
  UC1071244  Ceanothus parryi A. Lewis 1932-5-18 94 Sonoma Calabasas Creek Napa Quad., Calabasas Creek 457 Comment
  UCD170336  Ceanothus parryi D. O. Burge 2016-11-3 2195 Sonoma Mount Saint Helena, roadside on Ida Clayton Road. 600 Comment
  SEINET13946221 Image available Ceanothus parryi Leo Koch 1939-1 631 Sonoma Campus of Santa Rosa Junior college. Comment
  UC18394  Ceanothus parryi J. J. Rivers 1800-1 Sonoma at Howard's Comment
  SEINET12211278  Ceanothus sonomensis W. Knight, Schmidt, C. 1987-1 6055 Sonoma Cavedale Road 274 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
  UCD130037  Centaurea melitensis Frederica Bowcutt 1996-5-19 2136 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 east of Red Mountain. Gray Pine Trail. 731 Comment
  CAS-BOT-BC277161  Centaurea melitensis Peter Rubtzoff 1952-6-10 1220 Sonoma Northeast and east slope of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC277253  Centaurea solstitialis Walter Knight; Irja Knight 1963-12-27 451 Sonoma Pine Flat Rd. Circle 8 Ranch Comment
  CAS-BOT-BC277258  Centaurea solstitialis L. R. Abrams 1916-7-4 5794 Sonoma Road between Petrified Forest and Mark West Comment
  UCR25335  Centaurium muehlenbergii John C. Roos 1957-7-3 6652 Sonoma North Coast Ranges, Healdsburg 33 Comment
  POM130633  Centaurium trichanthum A. A. Heller 1902-6-25 5764 Sonoma Santa Rosa 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-BC251310  Cerastium Peter Rubtzoff 1960-6-5 s.n. Sonoma Laguna de Santa Rosa, northeast of Graton, near Laguna Road Comment
  CAS-BOT-BC384869  Cerastium Peter Rubtzoff 1983-8-28 9677 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC384975  Cerastium arvense Rimo Bacigalupi 1926-5-2 1377 Sonoma Cazadero Comment
  POM151914  Cerastium arvense A. A. Heller 1902-4-11 brown Sonoma Bodega Bay. Comment
  CAS-BOT-BC384977  Cerastium arvense Catherine Best 1981-4-4 s.n. Sonoma Coleman Valley Road about 4 miles west of Occidental Comment
  CAS-BOT-BC388435  Cerastium glomeratum Catherine Best 1982-3-20 s.n. Sonoma On a flat area off Green Hill Rd. about 2 mi east of Occidental Comment
  CAS-BOT-BC388437  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC279784  Chamaemelum fuscatum John H. Thomas 1966-3-18 11481 Sonoma Edge of vineyard at Italian Swiss Colony vineyard at Asti Comment
  CAS-BOT-BC279786  Chamaemelum fuscatum M. S. Baker 1940-5-18 9505 Sonoma 101 n. of Cloverdale on s. slope of hill near top of Swiss Italian Colony at Asti Comment
  HSC34882  Chamaemelum fuscatum Thomas W. Nelson, James Nelson 1975-3-25 1751 Sonoma Asti Comment
  CAS-BOT-BC184930  Chasmanthium latifolium G. DeNevers 1981-7-1 1732 Sonoma Pepperwood Ranch. In the Pippindale Garden. Comment
  UCD166094  Chenopodium Peter Rubtzoff 1971-7-23 6616 Sonoma Laguna, Chileno Valley. Comment
  SEINET5763969 Image available Chenopodium ambrosioides H. S. Reed 1948-1 2025 Sonoma Sonoma Creek, near Kenwood Comment
  UCR121475  Chlorogalum pomeridianum George K. Helmkamp, E. A. Helmkamp 2000-6-18 5697 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  UCD138412  Chlorogalum pomeridianum var. divaricatum P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  POM169099  Chlorogalum pomeridianum var. pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian river. Comment
  OBI35907  Chloropyron maritimum subsp. palustre David J. Keil 1983-6-29 17193 Sonoma Doran Beach Co Park. Bodega Head Comment
  CAS-BOT-BC191510  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  HSC17260  Chorizanthe cuspidata var. villosa L. S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  UCD110108  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  OBI59827  Chrysolepis chrysophylla var. minor P. C. Pendse 1979-10-7 s.n. Sonoma Salt Point State Park Comment
  POM53745  Cirsium douglasii var. breweri A. A. Heller 1902-7-2 5804 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC280000  Cirsium douglasii var. douglasii H. D. Ripley; R. C. Barneby 1945-6-22 6949 Sonoma Bodega Bay 6 Comment
  UCD130614  Cirsium douglasii var. douglasii P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC285709  Cirsium occidentale var. occidentale Ella Dales Cantelow 1941-6-7 3555 Sonoma State Hy 1 w. of Bodega Comment
  CAS-BOT-BC290636  Cirsium occidentale var. occidentale Peter Rubtzoff 1958-7-26 3801 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC280362  Cirsium occidentale var. venustum Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  UC1195664  Cirsium occidentale var. venustum A. R. Kruckeberg 1947-6-15 1499 Sonoma ca 1/2 mi above Maacamas Creek bridge (on Hwy 28, w end Knights Valley); Knights Valley Comment
  CAS-BOT-BC280531  Cirsium quercetorum John Thomas Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay Comment
  RSA73992  Cirsium remotifolium var. odontolepis M. S. Baker 1931-5-22 5209 Sonoma Bennett Valley Road, south of Weavers. Comment
  UC1299441  Cirsium remotifolium var. odontolepis Freed W. Hoffman 1946-8-25 792 Sonoma near Guerneville; North Coast Ranges, Cemetery Ridge Comment
  UC1119193  Cirsium vulgare H. S. Yates 1935-10-3 5342 Sonoma Santa Rosa Santa Rosa Quadrangle 53 Comment
  CAS-BOT-BC285896  Cirsium vulgare John Thomas Howell 1946-8-17 22865 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC162607  Clarkia W. R. Dudley 1893-9-9 s.n. Sonoma Russian River Comment
  UC582991  Clarkia amoena P. A. Munz 1936-8-8 14311 Sonoma coast 5 mi n Jenner Comment
  UC112986  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CDA40856  Clarkia amoena subsp. huntiana G. F. Hrusa, A. Buckmann 1996-10-5 13585 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Approx. 2 m. SW of Calistoga. Comment
  CAS-BOT-BC163514  Clarkia amoena subsp. huntiana Walter Knight; Irja Knight 1963-8-13 197 Sonoma Corner Roblar & Steinbeck Rds Comment
  CAS-BOT-BC162510  Clarkia gracilis subsp. gracilis Alice Eastwood; John Thomas Howell 1939-6-11 7416 Sonoma Near Trinity [Triniti] P.O., Hood Mt. Range Comment
  CAS-BOT-BC163134  Clarkia gracilis subsp. sonomensis Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC163136  Clarkia gracilis subsp. sonomensis A. A. Heller 1902-6-10 5682 Sonoma Santa Rosa Comment
  SBBG4989  Clarkia purpurea subsp. quadrivulnera H. and M. Dearing 1939-5-3 3274 Sonoma Pope Valley near St Helena 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
  JEPS43596  Clarkia unguiculata E. Ferguson 1919-6-11 228 Sonoma near Guerneville Comment
  UCD55329  Clarkia unguiculata Ellen Dean 2006-6-28 3172 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  CDA5445  Claytonia exigua D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .287 Sonoma Cavedale Rd. Comment
  JEPS128336  Claytonia exigua Roger Raiche 2010-2-28 009 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128226  Claytonia exigua subsp. exigua Roger Raiche 2000-3-26 008 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC583539  Claytonia gypsophiloides Elmer I. Applegate 1934-3-25 8846 Sonoma Sausal Creek Mayacamas Mountains (w foothills of Mayacamas Mountains) Comment
  UC796638  Claytonia gypsophiloides Ira L. Wiggins 1949-4-30 12062 Sonoma 6.8 mi e Santa Rosa (on road to Calistoga) Comment
  HSC49616  Claytonia gypsophiloides R. York 1979-4-8 202 Sonoma Along Hwy. 128, 2 mi. N of Calistoga 305 Comment
  UC625511  Claytonia gypsophiloides Frank W. Gould 1938-4-3 119 b Sonoma 1 mi w Sonoma County line (on the road from Calistoga) 182 Comment
  CDA34795  Claytonia perfoliata Peter Warner 2010-3-29 122 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  RSA534575  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River Comment
  SEINET3159375  Collinsia concolor L. S. Rose 1939-5-14 39121 Sonoma 1 mi E of Bodega Bay Comment
  JEPS5721  Collinsia heterophylla Calvin and Phyllis McMillan 1951-5-30 Sonoma along road from Healdsburg to Stewarts Point 4.6 mi e junction of road from Annapolis ((8 mi e of Soda Springs)) Comment
  JEPS34523  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-4-7 1893 Sonoma Chalk Hill Rd North Coast Ranges Comment
  UC192679  Collinsia sparsiflora var. arvensis Michener and Bioletti 1893-4-1 Sonoma Kenwood Comment
  UC796637  Collinsia sparsiflora var. arvensis Ira L. Wiggins 1949-4-30 12065 Sonoma four mi w Calistoga (just within county line) Comment
  UC1238979  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma Spring Mountain Road to St. Helena near summit St. Helena; North Coast Ranges, Spring Mountain Road 609 Comment
  SEINET12332732  Collomia rawsoniana W. Knight, Knight, I.; Knight, T. 1985-1 5144 Sonoma Petaluma Comment
  NY318907  Convolvulus saxicola A. Eastwood 1900-7-4 Sonoma Bodega Point Comment
  JEPS64349  Corallorhiza maculata Docia I. Patchett 1917-5-7 Sonoma Cazadero Rd near Williams Comment
  CAS-BOT-BC376304  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1990-7-24 9678 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At top of Telegraph Hill. 400 Comment
  JEPS23537  Cordylanthus pilosus subsp. pilosus Peter H. Raven, R. Snow 1958-7-23 13690 Sonoma Occidental Comment
  JEPS25067  Cordylanthus pilosus subsp. pilosus Joseph P. Tracy 1930-9-1 9172 Sonoma Knights Valley Northern Coast Ranges 182 Comment
  UCD123109  Cordylanthus pilosus subsp. pilosus K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  JEPS82263  Cordylanthus pringlei Roger Raiche 1983-8-6 30586 Sonoma near old mine buildings (headwaters of creek); Austin Creek, The Cedars, Laton Mine Comment
  JEPS6736  Cordylanthus tenuis subsp. brunneus W. L. Jepson 1893-9-23 21348 Sonoma Mt. St. Helena Comment
  JEPS20297  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi e Occidental 243 Comment
  RSA537660  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1972-7-22 7075 Sonoma 2 miles N of Occidental on Harrison Grade Road Comment
  RSA537698  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1975-7-5 7520 Sonoma Stoetz Lane, about 3/4 mile west of Harris [Harrison] Grade Road, north of Occidental Comment
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Jan 12 2013
  UC1239007  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker (on serpentine island); North Coast Ranges Comment
  UC761837  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1942-7-13 5916 Sonoma 3 mi s Monte Rio Comment
  RSA0034034  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  RSA94342  Cornus glabrata Peter Rubtzoff 1951-6-7 109 Sonoma Western branch of the Upper Marsh. Comment
  UC21528  Cornus nuttallii H. N. Bolander 1864-1 3966 Sonoma on Pine Mt. near the Geyser's; Pine Mt. Comment
  CAS-BOT-BC210430  Cornus sericea G. DeNevers 1981-4-25 869 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  CAS-BOT-BC180191  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-2-16 527 Sonoma Mill Creek Road Comment
  CDA13750  Corylus cornuta var. californica G. F. Hrusa, R. Gross 1997-2-1 13620 Sonoma North Coast Ranges; Kortum Canyon Rd., approx. 1/4 mi. W of Hwy 29, immed. W of downtown Calistoga. Comment
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Jul 28 2008
  CAS-BOT-BC376394  Cotoneaster Greg de Nevers 1994-3-26 10518 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  CAS-BOT-BC173836  Cotula coronopifolia Peter Rubtzoff 1958-5-17 3660 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occiental Road). Comment
  UCD165873  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC427653  Crassula aquatica Peter Rubtzoff 1972-5-25 6757 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC427658  Crassula aquatica Peter Rubtzoff 1971-7-3 6587 Sonoma Near (south of) U.C. Bodega Marine Laboratory dormitory. Comment
  CAS-BOT-BC427919  Crassula connata Greg de Nevers 1990-3-26 9657 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. 457 Comment
  UCD35659  Crataegus gaylussacia Beecher Crampton 1959-6-16 5396 Sonoma 1 mile northeast of Freestone. Comment
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Dec 20 2006
  RSA784492  Crepis capillaris Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UC963925  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-30 11770 Sonoma sw slope Hood Mt. Comment
  UCR246781  Crupina vulgaris Les Sonder 1990-1-25 s.n. Sonoma Anadell State Park, Santa Rosa 351 Comment
  CDA36327  Crypsis schoenoides M. Lennox & D. Curle 2011-11-21 PDR# 1465995 Sonoma Hwy 121 Bridge (Tolay Creek). 0 Comment
  CAS-BOT-BC190181  Crypsis vaginiflora Peter Rubtzoff 1966-8-18 5788 Sonoma Laguna de Santa Rosa ca. 1 mile east southeast of Sebastapool. Comment
  UC24696  Cryptantha muricata F. T. Bioletti 1890-1 Sonoma Hood Peak Comment
  UCD162162  Cupressus goveniana D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1515 Sonoma Hooker Creek watershed. 520 Comment
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Jul 25 2018
  CDA12255  Cupressus macnabiana G. F. Hrusa, J. M. Tucker, G. L. Webster 1994-10-29 11921 A Sonoma North Coast Biodiversity Arena; Grove of small trees to 10 meters tall on Cavedale Rd. approx. 2.7 m E of Hwy 12. Rhyolitic ash substratum, assoc. w/ Pinus attenuata, Arctostaphylos stanfordiana, Salvia sonomensis, Solidago spathulata, Xerophyllum tenax. Comment
  HSC100102  Cupressus macnabiana J. P. Smith, & J. O. Sawyer 2010-4-26 12721 Sonoma 641 Comment
  RSA178043  Cupressus macnabiana Robert F. Thorne 1965-4-20 34367 Sonoma Head of Hooker Canyon on Cavedale Road, north of Sonoma 610 Comment
  NY16704  Cupressus macnabiana C. B. Wolf 1934-10-18 6198 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY16705  Cupressus macnabiana C. B. Wolf 1934-10-18 6198 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC80799  Cupressus macrocarpa John H. Thomas 1976-6-15 18283 Sonoma Southern end of Sea Ranch, northwestern part of country, about 7 miles south of Gualala. Coastal bluffs. 30 Comment
  RSA144399  Cupressus sargentii Roxana S. Ferris, Laura Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  RSA6472  Cupressus sargentii Jens Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade, between Graton and Occidental Comment
  SEINET11739342  Cupressus sargentii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -166 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  RSA94465  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville; area between the Upper and the Lower marshes Comment
  UCD119156  Cynoglossum grande Botany 102 Students 1993-4-24 86 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. About 2 air miles S of Bald Mtn. Mid slope on Hillside Trail. 411 Comment
  UCD119158  Cynoglossum grande Frederica Bowcutt; Kate Mawdsley 1996-3-24 2090 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-BC312690  Cynosurus Peter Rubtzoff 1971-6-5 6515 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. 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-BC190475  Cynosurus echinatus Roxana S. Ferris; Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  UCR254742  Cyperus Peter Rubtzoff 1970-9-2 6351 Sonoma Russian River bottom at Mirabel Park 5 Comment
  CAS-BOT-BC350944  Cyperus Peter Rubtzoff 1970-9-2 6352 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC114517  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-3 356 Sonoma Bennett Valley Comment
  JEPS86770  Cyperus eragrostis Jack and Betty Guggolz 1990-6-18 1068 Sonoma ca. 12 km. e. Healdsburg (Ferrari-Carano Ranch, Maacamas Creek) 70 Comment
  CAS-BOT-BC114515  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-29 400 Sonoma Roblar Rd. Wet spot near county dump. Comment
  RSA44397  Cyperus eragrostis Milo S. Baker 1937-9-20 6037 Sonoma 4 miles southeast of Somona on Vineburg - Napa Road Comment
  CAS-BOT-BC114340  Cyperus esculentus Peter Rubtzoff 1956-9-14 2868 A Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC114040  Cyperus squarrosus Peter Rubtzoff 1987-10-17 9871 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  CAS-BOT-BC136480  Cypripedium montanum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC435191  Cypselea humifusa Peter Rubtzoff 1966-9-25 5827 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC201021  Cytisus scoparius Greg de Nevers 1992-6-26 10207 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC189848  Dactylis glomerata Mary P. Wells 1984-5-24 299 Sonoma Annadel State Park (near Santa Rosa). Comment
  CAS-BOT-BC445564  Damasonium californicum Peter H. Raven 1963-4-28 18253 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  RSA216127  Damasonium californicum Peter Rubtzoff 1958-7-26 3808 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC210057  Danthonia californica Peter Rubtzoff 1957-5-11 3345 Sonoma Occidental Marsh. Comment
  UCD60497  Danthonia californica Beecher Crampton 1959-6-16 5378 Sonoma 1 mile E of Occidental. Comment
  UCD60498  Danthonia californica H. S. Yates 1934-4-22 3853 Sonoma 2 miles S of Mark West. 152 Comment
  UCD60686  Danthonia californica var. americana R. Tofsrud 1941-4-1 27 Sonoma Near Wright School. Comment
  UCR152279  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma c. 8.5 mi SE of Geyersville, S end of Alexander Valley, jct. of Calistoga (hwy 128) and Chalk Hill roads 85 Comment
  SEINET7096798  Danthonia californica var. californica 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-BC154986  Datura Peter Rubtzoff; Irene Rubtzoff 1968-8-31 5940 Sonoma Russian River bottom at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC154984  Datura Peter Rubtzoff 1969-8-26 6159 Sonoma River Road, ca. 3 mi. west of Fulton. Comment
  UCD126523  Datura stramonium John Thomas Howell 1945-7-18 21313 Sonoma College Ave., west of Santa Rosa. Comment
  UCD126531  Datura stramonium J. M. Tucker; C. H. Lamoureux 1958-6-8 3406 Sonoma 0.6 mile north of junction of Vine Hill Road and Guerneville Road (around 9 miles west of Santa Rosa). Comment
  UCR19522  Datura stramonium var. tatula John C. Roos 1948-8-28 3987 Sonoma North Coast Ranges, Healdsburg 33 Comment
  UCR255037  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma North Coast Range, Santa Rosa, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 400 Comment
  SJSU396  Daucus carota A. W. Jacobs 1938-6-15 Sonoma W bank Russian R near Hilton Comment
  CAS-BOT-BC9017  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9019  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC10341  Delphinium hesperium Joseph Whipple Congdon 1880-6-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC10349  Delphinium hesperium Roxana Stinchfield Ferris; L. Lorraine 1961-6-14 13540 Sonoma 1 mile on Joy Road from junction with Bodega Highway Comment
  CAS-BOT-BC10007  Delphinium hesperium Alice Eastwood 1916-6-5 4599 Sonoma Petrified Forest on Calistoga Road Comment
  CAS-BOT-BC10343  Delphinium hesperium Ella D. Cantelow 1938-5-15 2408 Sonoma About 5 mi. E of Geyserville near foot of grade to The Geysers Comment
  CAS-BOT-BC10066  Delphinium hesperium subsp. pallescens John Thomas Howell 1934-3-27 s.n. Sonoma Pope Canyon, Napa Range Comment
  CAS-BOT-BC10094  Delphinium luteum Milo S. Baker 1926-4-14 186 b Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC10129  Delphinium luteum Ella D. Cantelow 1940-4-6 4272 Sonoma W. of Bodega, Hwy. 1 Comment
  JEPS23518  Delphinium luteum Vina Wiley Kraeger 1923-4-1 Sonoma Bodega Comment
  RSA59836  Delphinium luteum Joseph A. Ewan 1935-5-12 9203 Sonoma 2 miles west of Bodega, on Bodega Bay Road Comment
  POM150547  Delphinium nudicaule A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  UC1299392  Delphinium nudicaule Freed W. Hoffman 1947-4-13 660 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  UC9203  Delphinium nudicaule W. H. Brewer 1862-4-18 968 Sonoma near Sonoma Comment
  UCR265118  Delphinium nudicaule Ann Howald 2015-4-1 3316 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  UC467759  Delphinium nudicaule H. P. Chandler 1907-4-21 7520 Sonoma road from Glen Ellen to Oakville near summit Comment
  CAS-BOT-BC7771  Delphinium variegatum John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54669 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC7775  Delphinium variegatum F. H. Utech 1986-5-13 86 -107 Sonoma ca 3.9 mi. NE of Cavedale Road from junction with CA Hwy. 12 250 Comment
  CAS-BOT-BC7765  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1940-4-6 4273 Sonoma South of Shellville Comment
  RSA0004632  Dendromecon myrtifolia A. A. Heller, H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood. Comment
  CAS-BOT-BC83024  Dendromecon rigida Ella Dales Cantelow 1940-4-6 4074 Sonoma Triniti Road west of Boyes Spring. Comment
  JEPS128274  Dendromecon rigida Roger Raiche 2000-4-23 047 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET10717812  Deschampsia P. Rubtzoff 1962-6-13 Rubtzoff 4902 Sonoma Freestone Marsh. Comment
  RSA63696  Deschampsia cespitosa subsp. cespitosa Milo S. Baker 1950-5-20 12221 Sonoma Hope Valley on wood road opposite the old Chamberlain Ranch House near Kenwood Comment
  CAS-BOT-BC192610  Deschampsia cespitosa subsp. holciformis J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  UCD63778  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4334 Sonoma 1.3 miles north of Salmon Creek. 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
  RSA784394  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6075 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  UCD84280  Deschampsia danthonioides Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD62539  Deschampsia danthonioides Milo S. Baker 1938-6-1 10185 Sonoma Just south of Bennett Valley summit. Comment
  CAS-BOT-BC201952  Deschampsia elongata Greg de Nevers 1996-6-17 10832 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  CAS-BOT-BC210039  Deschampsia elongata Peter Rubtzoff 1964-6-24 5369 Sonoma Lower Salmon Creek Marsh. Comment
  RSA126943  Deschampsia elongata H. S. Yates 1936-5-16 5607 Sonoma 1 mile N.W. of Mountain View School; Sebastopol 91 Comment
  UCD151203  Deschampsia elongata James A. Neilson Jr. 1974-7-10 2880 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  UCD63470  Deschampsia elongata Beecher Crampton 1957-7-11 4308 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UC72730  Dicentra chrysantha Milo S. Baker 1898-6-11 669 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC907  Dicentra formosa subsp. formosa Peter Rubtzoff 1975-4-27 7950 Sonoma Forest Hills, 5.5 miles E of Guerneville. At 9981 Old River Road. Comment
  RSA670068  Dichanthelium acuminatum var. thermale Beecher Crampton 1964-8-18 7139 e Sonoma N.E. Somona County. The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called The Outlaw) or otherwise thermal no. 10 (Thermal Power co.);, just below bubbling hat spring. 494 Comment
  SEINET12058504  Dichelostemma capitatum F. H. Utech 1995-3-26 95 -50 Sonoma WNW of Lake Sonoma, junction Kelly Road & Rockpile Road Comment
  UC421854  Dichelostemma capitatum Milo S. Baker 1898-3-1 701 Sonoma near Santa Rosa Comment
  UCD139192  Dichelostemma capitatum Rimy Waraich; Patti Togioka, Valerie Bullock 1993-4-24 s.n. Sonoma 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. Ponygate Trail. 365 Comment
  UCD23377  Dichelostemma capitatum Steven E. Smith 1977-4-15 16 Sonoma Perianth deep purple, 3 linear staminodes. 10.4 miles west of intersection with Dutcher Creek Rd. on Skaggs Springs Rd. 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
  UCD139157  Dichelostemma congestum Frederica Bowcutt 1996-5-19 2149 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile souht of Red Mountain. Lower Bald Mountain Trail. 472 Comment
  UCD163101  Dichelostemma multiflorum Robert E. Preston 2014-5-17 2965 Sonoma 4.5 mi NNW of Cazadero. 190 Comment
  JEPS30801  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma five mi n Jenner Comment
  RSA788367  Digitaria Peter Rubtzoff 1971-8-23 6655 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  UCD148387  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC152035  Diplacus aurantiacus D. E. Breedlove 1980-6-27 44754 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC152037  Diplacus aurantiacus Ella Dales Cantelow 1938-5-7 2411 Sonoma 4 mi. n.w. of Bodega Comment
  CAS-BOT-BC152041  Diplacus aurantiacus Alice S. M. McKenzie 1981-2-23 17 Sonoma Fort Ross Road about _mi. above Calif. State Hwy. 1 near wide place at San Andreas fault - Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC151880  Diplacus congdonii Milo S. Baker 1927-4-12 2073 a Sonoma S.E. slope Hood's Peak 335 Comment
  CAS-BOT-BC151751  Diplacus kelloggii A. A. Heller; H. E. Brown 1902-3-25 5146 Sonoma Near Mark West Springs Comment
  UCD137487  Dipsacus sativus J. D. Skoss 1948-7-25 40 Sonoma Shellville. Comment
  CAS-BOT-BC121892  Dirca occidentalis Mary Wells 1997-2-26 1078 Sonoma Growing on Salmon Creek Road about 2 mi NW of Bodega Comment
  CAS-BOT-BC331484  Distichlis Peter Rubtzoff 1970-5-30 6234 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC331486  Distichlis Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road 0.8 miles southeast of Bodega Highway (Two Rock church). Comment
  UCD148365  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  UCD64557  Distichlis spicata Beecher Crampton 1957-7-11 4315 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  CHSC97901  Dittrichia graveolens S. Ostrom 2006-9-1 PDR 1328648 Sonoma Windsor; Shiloh Rd. and Business Park Ct. Roadside. 35 Comment
  JEPS76928  Dodecatheon hendersonii Robert M. Lloyd 1963-2-24 2051 Sonoma 3 mi ne Forestville (on road to US 101) Comment
  SD130505  Dodecatheon hendersonii F. Alamda, G. DeNevers 1981-3-30 4895 Sonoma Pepperwood Ranch, streambank in vicinity of the Redwood Canyon Comment
  CAS-BOT-BC156312  Downingia concolor var. concolor Peter Rubtzoff 1969-5-3 6024 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC488328  Downingia concolor var. concolor Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain, NW of Cit of Santa Rosa. Maggi Property located SW of the intersectin of Fulton and River Rds. Sampling pool #1 43 Comment
  JEPS14426  Downingia concolor var. concolor F. T. Bioletti 1891-5-9 Sonoma Sonoma Comment
  JEPS14428  Downingia concolor var. concolor W. L. Jepson 1921-5-6 9189 Sonoma Sonoma Valley Comment
  UC1244031  Downingia concolor var. concolor John H. Weiler 1959-4-26 5960 Sonoma about 1 mi se Schellville (along State Highway 36) Comment
  UCD165153  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  RSA654064  Downingia concolor var. concolor Beecher Crampton 1966-5-10 7728 Sonoma 6.5 miles N of Sonoma on State Hwy 12, Glen Ellen station (CA dept. of forestry). Comment
  CAS-BOT-BC159462  Drymocallis glandulosa var. glandulosa L. R. Abrams 1916-7-4 5792 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC71024  Dryopteris arguta G. DeNevers 1981-5-9 1088 Sonoma E arm Creek Comment
  SD95157  Dudleya cymosa Mark Cary 1971-4-22 45 Sonoma Canyon Road, 15 miles west of Geyserville. Comment
  SD38625  Dudleya farinosa Edith A. Purer 1932-7-21 4036 Sonoma Bodega Bay Comment
  UCD101915  Dudleya farinosa Frederica Bowcutt 1984-6-23 422 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles E of Fort Bragg along the Sonoma County coast. Immed. N of Gerstle Cove. W of Hwy 1. 15 Comment
  UCSB61660  Dysphania botrys Ertter, Barbara 1988-11-5 Sonoma Lake Sonoma ca. 5 air miles due S of Cloverdale, point below Little Flat parking area W of Bridge; T10N R11W 152 Comment
  CAS-BOT-BC210143  Echinochloa Peter Rubtzoff 1978-9-10 9264 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  CAS-BOT-BC176200  Echinochloa crus-galli Peter Rubtzoff 1956-9-14 2861 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA800159  Eleocharis Peter Rubtzoff, Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  UCD164996  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7880 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC113729  Eleocharis acicularis Peter Rubtzoff 1955-7-31 2009 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC269290  Eleocharis macrostachya Peter Rubtzoff 1976-5-30 8563 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC113143  Eleocharis palustris John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC112664  Eleocharis parvula Peter Rubtzoff 1962-8-3 5026 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC112074  Eleocharis quinqueflora Peter Rubtzoff 1952-5-31 1125 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC94038  Eleocharis radicans Greg de Nevers 1990-5-15 9667 A Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 457 Comment
  RSA74319  Eleocharis radicans Milo S. Baker 9486 Sonoma Brookside Garden, near Kenwood Comment
  UC768755  Elymus californicus R. F. Hoover 1941-5-14 5093 Sonoma in hills sw of Occidental (near Joy District School) Comment
  UCD18405  Elymus condensatus William A. Harrey 1982-7-7 s.n. Sonoma 0.5 mi west of state Hwy 1, along Bean Ave. bordering Salmon Creek. Comment
  CDA15742  Elymus elymoides subsp. elymoides G. F. Hrusa 1998-6-14 14594 Sonoma Knights Valley; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena. Serpentine interfingering with volcanic substrate, this apparently on both. Occasional, perennial bunchgrass. Comment
  UCD61893  Elymus glaucus David L. Morgan 1956-5-13 Sonoma 2 miles W of Petaluma on 'I'st. Ext. Comment
  CAS-BOT-BC203705  Elymus glaucus subsp. glaucus Mary P. Wells 1984-5-24 282 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC203707  Elymus glaucus subsp. glaucus Alice Eastwood 1915-6-29 4873 Sonoma Bodega Point Comment
  CAS-BOT-BC203715  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-10 1229 B Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203717  Elymus glaucus subsp. glaucus Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6272 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC204307  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-6 1454 Sonoma Pepperwood Ranch. At first Pepperwood entrance Comment
  CDA15872  Elytrigia repens P. Lane 2000-2-17 PDR 022483 Sonoma North Coast Biodiversity Arena; Invading into newly planted sod from irrigated pasture on Laguna Rd. nr. Forestville. 0 Comment
  JEPS128234  Epilobium brachycarpum Roger Raiche 2000-9-2 149 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC268058  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-7-20 5923 Sonoma Upper Salmon Creek Marsh. Comment
  UC353823  Epilobium ciliatum subsp. ciliatum Milo S. Baker 1928-6-28 3199 C Sonoma Pitkin Marsh Vine Hill Region Comment
  UC582992  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-7 14307 Sonoma six mi n Bodega (edge of road) Comment
  RSA0009608  Epilobium ciliatum subsp. ciliatum Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC262950  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1681 Sonoma Bodega Head Marsh. Comment
  UC1042438  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-14 444 Sonoma on edge of thicket near creek (s edge of Lower Marsh, near Forestville); Pitkin Marsh, Lower Marsh Comment
  RSA0015637  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-8-22 5052 Sonoma Bodega Bay Marsh. Comment
  RSA0015638  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh. Comment
  UCR244514  Epilobium densiflorum Peter Rubtzoff 1969-8-26 6154 Sonoma On River Road, c. 3 miles west of Fulton 27 Comment
  CAS-BOT-BC262789  Epilobium hallianum Peter Rubtzoff 1958-5-10 3634 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road crossing. Comment
  CAS-BOT-BC262798  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  UCD165777  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57129  Equisetum X ferrissii Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC57037  Equisetum arvense Peter Rubtzoff 1954-6-6 1467 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC57040  Equisetum arvense Peter Rubtzoff 1960-6-9 4477 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC57041  Equisetum arvense Peter Rubtzoff 1952-5-10 1023 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC57043  Equisetum arvense Peter Rubtzoff 1951-6-30 300 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC210088  Equisetum hyemale subsp. affine Peter Rubtzoff 1959-6-20 4184 Sonoma Willow Creek Marsh. Comment
  UCR244750  Equisetum hyemale subsp. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh Comment
  UCR255026  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  SEINET5526046 Image available Equisetum laevigatum Unknown 1976-6-10 Sonoma Bodega Comment
  UCD135527  Equisetum laevigatum Frederica Bowcutt 1994-6-12 1894 Sonoma About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  UCD148417  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  JEPS79542  Equisetum telmateia subsp. braunii Edward Lee with W. A. Setchell 1936-6-7 2174 Sonoma Trail No. 10 Bohemian Grove Comment
  UCD167968  Equisetum telmateia subsp. braunii James A. Neilson Jr. 1981-3-8 3985 Sonoma Mayacamas Mountains, Wildhorse Ck. at road crossing. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC328123  Eragrostis Peter Rubtzoff 1965-8-16 5600 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UC1025040  Eragrostis cilianensis Leo Whitney 1935-10-2 3634 Sonoma Santa Rosa Comment
  CAS-BOT-BC204540  Eragrostis curvula Peter Rubtzoff 1971-8-23 6653 Sonoma Meacham Road 0.35 mi. south of Stony Point Road Comment
  UC38308  Eragrostis hypnoides J. Burtt Davy July 1896 Sonoma Russian River at Russian River R.R. depot; Russian River Comment
  CAS-BOT-BC213571  Eragrostis hypnoides John Thomas Howell 1955-9-13 30913 Sonoma Sand bar of Russian River at Odd Fellows Park above Guerneville. 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-BC284193  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1956-9-14 2864 Sonoma Vacation Beach near Guerneville, Russian River Comment
  CAS-BOT-BC131607  Ericameria arborescens F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch, 5 mi. W. of Calistoga Comment
  JEPS19249  Ericameria arborescens W. T. Mooney 1915-9-1 Sonoma Petaluma Comment
  UCD132089  Erigeron Jackie Sinkey; Rene Westbrook 1976-4-14 s.n. Sonoma Bodega Head. Comment
  UCR255874  Erigeron annuus Greg de Nevers 1994-6-13 10526 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS41425  Erigeron biolettii F. Bioletti 1893-6-1 Sonoma Hoods Peak Comment
  UCD131901  Erigeron foliosus var. hartwegii Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  POM40212  Erigeron inornatus var. biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's Mills. Comment
  JEPS86806  Erigeron reductus var. angustatus Jack and Betty Guggolz 1991-6-29 1200 Sonoma approx. one mi NNW of the center of Camp Meeker Camp Meeker Comment
  RSA0081676  Eriogonum cedrorum Roger Raiche 1984-6-23 40234 Sonoma The Cedars, 5 miles N of Cazadero on King Ridge Road, headwaters Big Austin Creek, above tributary creek referred to locally as Azalea Creek (NE fork before Layton Mine bldgs.). 549 Comment
  RSA48870  Eriogonum latifolium Lucille Roos 1949-1 4654 Sonoma Shell Beach, Jenne [Jenner]. Comment
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Sep 24 2015
  CAS-BOT-BC259479  Eriogonum luteolum David L. Morgan 1955-7-28 s.n. Sonoma 5 miles west of Petaluma 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
  UC77625  Eriogonum nudum var. auriculatum Dr. E. Palmer Sonoma Petaluma Comment
  CAS-BOT-BC261685  Eriogonum nudum var. nudum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  CAS-BOT-BC261690  Eriogonum nudum var. nudum Irja Knight; Walter Knight 1964-11-15 791 Sonoma Hood's Peak on road below Johnson Lake Comment
  UCD100603  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC261687  Eriogonum nudum var. nudum Mary P. Wells 1985-7-7 544 Sonoma King's Ridge Road, north of Cazadero 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
  CAS-BOT-BC262391  Eriogonum vimineum D. E. Breedlove 1980-6-27 44782 Sonoma Pepperwood Ranch W of Knights Valley 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
  CAS-BOT-BC301147  Eriophyllum lanatum var. achilleoides Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC301152  Eriophyllum lanatum var. achilleoides Roxana S. Ferris; Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CAS-BOT-BC301300  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills 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
  UCD132185  Eriophyllum lanatum var. arachnoideum Charles B. Heiser Jr. 1946-4-13 1721 Sonoma 2 miles east of Jenner. Comment
  RSA695688  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
  CDA32952  Erodium botrys D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  UCD167023  Eryngium aristulatum James Neilson 1981-8-21 4043 Sonoma Mayacmas Mountains. Abril property, 1/4 mi. east of headwaters of Truit Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  UC1307396  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1954-8-12 1695 Sonoma Bennett Mt. Lake Comment
  OBI49256  Erythranthe cardinalis Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Adobe canon Comment
  CAS-BOT-BC383154  Erythranthe guttata David B. Lowry 2005-5-10 OCC Sonoma East of Occidental at corner of Occidental Road and Facendini Lane 260 Comment
  UCR265137  Erythronium californicum Ann Howald 2015-4-1 3314 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  SEINET3355597 Image available Eschscholzia californica Katharine Brandegee 1905-1 Sonoma Comment
  UC112924  Eschscholzia californica Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  UC635613  Eschscholzia californica H. L. Mason 1930-6-1 5654 Sonoma Gualala River; mouth Comment
  UCD95274  Eschscholzia californica Chris Bowen 1974-5-19 135 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  HSC16756  Eschscholzia californica F. Demostene 1966-4-1 8 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC202772  Euonymus occidentalis H. L. Mason 1928-7-11 4890 Sonoma Canyon 2 miles north of Fort Ross Comment
  CAS-BOT-BC202769  Euonymus occidentalis Milo S. Baker 1929-1-2 3382 a Sonoma Mill Creek near Cooper's Ranch Comment
  CAS-BOT-BC376261  Euphorbia Greg de Nevers 1992-8-16 10244 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. On Franz Valley School Road 304 Comment
  RSA0059081  Euphorbia Greg de Nevers 1992-8-16 10244 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. On Franz Valley School Road. 152 Comment
  CAS-BOT-BC294705  Euphorbia Peter Rubtzoff 1971-7-23 6610 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC540828  Euphorbia Peter Rubtzoff 1973-8-20 7227 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  CAS-BOT-BC310743  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCR255678  Euthamia occidentalis Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 366 Comment
  CAS-BOT-BC239715  Fabaceae Peter Rubtzoff; Nancy Harrison 1974-5-26 7472 Sonoma Vernal pool on Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC239717  Fabaceae Walter Knight; Irja Knight 1990-5-1 6590 Sonoma Joost Road on east side of Calistoga Road between Gates and Alpine roads 182 Comment
  CAS-BOT-BC368026  Festuca Greg de Nevers 1998-6-10 11277 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  RSA0065935  Festuca Greg de Nevers 1989-04 9062 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  UCR255671  Festuca arundinacea Greg de Nevers 1998-6-10 11276 Sonoma North Coast Range, Modini Mayacamas Preserves; Pine Flat Road, near end of town of Pine Flat 91 Comment
  CAS-BOT-BC283191  Festuca californica subsp. californica K. Wagnon 1939-5-14 196 Sonoma East edge of Wagnon rock quarry, five miles west of Sebastopol Comment
  RSA123478  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma Near Bodega Port 8 Comment
  UC38546  Festuca idahoensis F. T. Bioletti 1893-6-10 103 Sonoma Hood's Peak Comment
  UCD66127  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart's Point - Annapolis Comment
  UC767091  Festuca rubra R. F. Hoover 1941-5-14 5088 Sonoma 2 mi s Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC353382  Filago Peter Rubtzoff 1972-6-29 6801 Sonoma Laguna, Chileno Valley. Comment
  UCR256283  Filago gallica Peter Rubtzoff 1973-7-24 7197 Sonoma Upper Green Valley Marsh Comment
  UCR5850  Fragaria chiloensis Frank C. Vasek 1966-7-16 660716- 02 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  UCR37769  Fragaria vesca A. C. Sanders 1985-1-19 5375 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  CAS-BOT-BC53274  Frangula californica subsp. californica R B Usinger 1929-8-6 s.n. Sonoma Two miles N. of Guernewood Park, Russian River region Comment
  CAS-BOT-BC217873  Fraxinus latifolia John Thomas Howell 1951-5-28 27498 Sonoma Laguna east of Sebastopol Comment
  CDA29319  Fraxinus latifolia D. G. Kelch 2007-10-16 7 .644 Sonoma Novato. Novato Creek nr Pioneer Park. 0 Comment
  SBBG33950  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Crk NE of Santa Rosa 121 Comment
  UCD116299  Fremontodendron californicum Roger Raiche 1984-5-4 RR 40133 Sonoma North of Guerneville, Morrison Ridge above Gilliam Creek. Austin Creek Recreational Area, headwaters of East Austin Creek Recreational Area. 182 Comment
  SEINET11993687  Fremontodendron californicum subsp. napense Unknown 1984-1 RR 40133 Sonoma N of Guerneville Morrison Ridge above Gilliam Creek, Austin Creek Recreational Area 183 Comment
  CAS-BOT-BC130186  Fritillaria affinis Stewart Wade 1927-4-1 s.n. Sonoma Healdsburg Comment
  JEPS62312  Fritillaria affinis Milo S. Baker 1942-3-27 Sonoma Bodega Bay Comment
  UC429298  Fritillaria affinis J. Burtt Davy 1896-3-16 1682 Sonoma Cazadero Comment
  CAS-BOT-BC130184  Fritillaria affinis Elmer I. Applegate 1934-3-25 8851 Sonoma Sausal Creek, foothills of eastern Sonoma County, below Pine Flat Comment
  POM169385  Fritillaria affinis A. A. Heller, H. E. Brown 1902-3-25 5148 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC130359  Fritillaria liliacea Anita Noldeke 1940-4-1 s.n. Sonoma Near Sebastopol Comment
  CAS-BOT-BC508137  Fritillaria recurva Michener; Bioletti 1893-3-1 s.n. Sonoma Mt. Hood Comment
  RSA264745  Galium aparine Peter Rubtzoff 1964-7-7 5395 Sonoma Duncan Mills Marsh. Comment
  UCD67958  Galium aparine Wesley Ebert 1977-4-9 17 Sonoma Penngrove, 6000 Soldiers Ln. on the W. side of Sonoma Mt. on E. facing slope. Heavily shaded by Umbellularia californica and Quercus agrifolia. Growing in rich moist humus. Plant with sticky texture on stems and leaves due to hairs. White flowers. 457 Comment
  UCD160295  Galium californicum James A. Neilson Jr. 1974-5-24 2879 Sonoma Mayacmas Mountains, Geyser Rock, northeast Sonoma County. (Elevation and georeferencing estimated by label maker.) 1127 Comment
  UCR30592  Galium parisiense John C. Roos 1950-7-22 4875 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  JEPS6613  Galium porrigens var. porrigens Willis L. Jepson 1894-7-19 Sonoma Mt. St. Helena Napa River Basin Comment
  RSA264739  Galium triflorum Peter Rubtzoff 1954-8-2 1616 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC303507  Gamochaeta ustulata Walter Knight; Irja Knight 1963-8-13 316 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC303505  Gamochaeta ustulata J. H. Thomas 1976-6-16 18274 Sonoma Southern part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  CAS-BOT-BC199067  Garrya elliptica L. R. Abrams 1920-7-3 7628 Sonoma Stewarts Point Comment
  UC1122675  Garrya flavescens J. B. Spring 1932-7-7 98 Sonoma 2/5 mi sw Veeder Mountain; Napa Quad. 609 Comment
  CDA11138  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11549 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  JEPS23940  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley Kenwood Region (near Chamberlain Place) Comment
  UCD66592  Gastridium phleoides Collector Unknown 1941-5-1 Sonoma Trinity Road. Comment
  RSA94352  Gentiana sceptrum Peter Rubtzoff 1951-7-1 337 Sonoma Pitkin Marsh, near Forestville; uppermost part of the western branch of the Upper Marsh. Comment
  RSA0028442  Geranium core-core Peter H. Raven, Richard Snow 1958-7-23 13689 Sonoma 2.6 miles north of Jenner. Comment
  SEINET12183370  Geranium dissectum W. Irja, Knight, T. 1984-1 5037 Sonoma around Royal Oaks Mobile-home Park on N McDowell Blvd., Petaluna Comment
  UCD103360  Geranium dissectum Caitlin Lewis; William Mutch 1993-4-17 22 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
  UC1130338  Geranium molle H. S. Yates 1934-4-21 3823 Sonoma near Duncan Mills; Duncan Mills Quad. 60 Comment
  RSA132210  Gilia capitata Delzie Demaree 1955-6-12 36971 Sonoma Westminister Woods. P.O. Camp Meeker. Comment
  SEINET7067347  Gilia capitata 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
  UCD160142  Gilia capitata James A. Neilson Jr. 1973-6-7 3045 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  CAS-BOT-BC361367  Gilia capitata subsp. capitata Greg de Nevers 1997-4-12 10929 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  UC932032  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7960 Sonoma Rincon grade 4 mi nw Santa Rosa (on road to petrified forest); nw of Santa Rosa on road to petrified forest Comment
  CAS-BOT-BC225278  Gilia capitata subsp. chamissonis Peter Rubtzoff 1955-8-20 2071 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC225280  Gilia capitata subsp. chamissonis John Thomas Howell 1930-6-8 5272 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC226169  Gilia capitata subsp. tomentosa Verne Grant; Alva Grant 1948-7-7 8596 Sonoma 2.6 miles east of Bodega on Sebastopol - Bodega Bay road Comment
  LA206687  Gilia millefoliata Alice Eastwood; June 1915 sn Sonoma Bodega Point Comment
  CAS-BOT-BC266479  Githopsis diffusa Alice Eastwood 1915-6-6 4680 Sonoma Mount St Helena Comment
  RSA178003  Githopsis specularioides R. F. Thorne 1965-4-19 34292 -a Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC227652  Glyceria Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh. Comment
  RSA786495  Glyceria declinata Peter Rubtzoff 1968-8-24 5935 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC282726  Glyceria elata Peter Rubtzoff 1951-6-17 280 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  SEINET10959322  Glyceria fluitans Adolph D. E. Elmer Elmer 4652 Sonoma Petaluma. Comment
  POM199077  Glyceria leptostachya A. D. E. Elmer 1903-07 4652 Sonoma Petaluma. Comment
  UCD66741  Glyceria leptostachya A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3581 Sonoma Occidental Road near Barstow Station. Comment
  CAS-BOT-BC303863  Gnaphalium Peter Rubtzoff 1971-9-3 6697 Sonoma Spring Creek Reservoir Area Comment
  CAS-BOT-BC176150  Gnaphalium chilense Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC166781  Gnaphalium palustre Peter Rubtzoff 1955-8-6 2027 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC302691  Gnaphalium palustre Peter Rubtzoff 1958-8-9 s.n. Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  UC32020  Gnaphalium palustre F. T. Bioletti Jul 1891 Sonoma Comment
  CAS-BOT-BC164670  Gnaphalium purpureum Peter Rubtzoff 1953-5-17 1399 Sonoma Forested hills south of Guerneville (Neeley Hill area). Comment
  RSA785928  Grindelia Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  UC468768  Grindelia hirsutula Harley P. Chandler 1900-5-25 695 Sonoma Bodega Bay Comment
  CAS-BOT-BC305191  Grindelia hirsutula Catherine Best 1981-10-18 s.n. Sonoma On the Coleman Valley Road about 7 mi West of Occidental Comment
  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
  UC74946  Guillenia lasiophylla unknown 1903-4-20 2629 Sonoma Mt. Helena Comment
  UCD85231  Hainardia cylindrica John Thomas Howell 1930-6-8 5219 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  SEINET11689069  Hainardia cylindrica H. K. Wagnon 1989-1 1890 Sonoma adjacent to Fort Ross School's reservoir, Timber Cove 122 Comment
  CDA34789  Hedera helix Peter Warner 2010-3-1 110 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  RSA93426  Helenium bigelovii Milo S. Baker 1939-5-19 9331 Sonoma Perry Marsh near Molino. Comment
  CAS-BOT-BC262989  Helenium puberulum Peter Rubtzoff 1970-9-3 6372 Sonoma Marsh, off west side of Highway 1, 0.7 miles southeast of Salmon Creek Crossing. Comment
  CAS-BOT-BC309582  Helenium puberulum Peter Rubtzoff 1951-11-24 833 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC314735  Helianthella californica var. californica A. A. Heller; H. E. Brown 1902-3-31 5192 Sonoma Mt. Hood Comment
  CAS-BOT-BC314737  Helianthella californica var. californica L. R. Abrams 1916-7-4 5787 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC314741  Helianthella californica var. californica G. De Nevers 1982-5-2 1978 Sonoma Along road on ridge above Hansel's Lake, Pepperwood Ranch Natural Preserve Comment
  UCD148377  Helminthotheca echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncans Mills Marsh. Comment
  UCD160867  Hemizonella minima James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3419 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD166266  Hemizonia Peter Rubtzoff 1970-9-3 6379 Sonoma Marsh off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek. Comment
  CAS-BOT-BC257985  Hemizonia Peter Rubtzoff 1962-10-23 5120 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC258386  Hemizonia Peter Rubtzoff 1972-6-29 6796 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC262975  Hemizonia Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC376334  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  RSA800070  Hemizonia Peter Rubtzoff 1971-9-30 6709 Sonoma Laguna, Chileno Valley. Comment
  UCD166113  Hemizonia Peter Rubtzoff 1972-5-21 6746 Sonoma Atascadero Creek Marsh and nearby slopes. Comment
  UCD166493  Hemizonia Peter Rubtzoff 1962-10-23 5120 Sonoma Laguna de Santa Rosa area East of Graton, east of Cunningham (near Llano Road). Comment
  RSA81625  Hemizonia congesta James I. McMurphy 1909-8-9 s.n. Sonoma 1 mile S of Sonoma. Comment
  UCSC000757  Hemizonia congesta subsp. clevelandii M. Alice King October 1896 s.n. Sonoma near Healdsburg Comment
  CAS-BOT-BC306161  Hemizonia congesta subsp. clevelandii Walter Knight; Irja Knight 1963-9-25 119 Sonoma Blue Bell Lane, Coddingtown Comment
  SD62035  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-14 Sonoma East of Santa Rosa. 120 Comment
  CAS-BOT-BC306222  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-7-4 3822 Sonoma 2 miles n. of Windsor Comment
  OBI16224  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-7-17 9916 Sonoma Sausal crk N of Alexander Valley Comment
  SD53366  Hemizonia congesta subsp. luzulifolia Darley F. Howe 1962-7-28 3361 Sonoma Mark West Creek, 3.4 miles east of Highway 101. Comment
  CDA6976  Hemizonia corymbosa T. C. Fuller 1981-9-9 20386 Sonoma Bodega Harbor subdivision just south of Bodega Bay. 0 Comment
  POM215135  Hemizonia fitchii D. D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville. Comment
  POM181139  Hemizonia lutescens J. T. Howell 1930-7-27 5409 Sonoma 8 miles south of Fort Ross Comment
  RSA159435  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -A Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  RSA293431  Hemizonia lutescens Reino Alava 1958-5-24 2061 Sonoma About 4 miles east of Occidental Comment
  SEINET11843059  Hemizonia pungens W. Knight, Knight, I. 1984-1 5422 Sonoma Willow Creek Rd 61 Comment
  CDA38361  Heracleum lanatum T. C. Fuller 1957-9-16 414 -57 Sonoma Jenner. 0 Comment
  CDA38362  Heracleum lanatum T. C. Fuller 1957-9-16 414 -57 Sonoma Jenner. 0 Comment
  UC581114  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8098 Sonoma Highway between Santa Rosa and Healdsburg Comment
  SD40693  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2.8 miles from Camp Meeker on road to Monte Rio 60 Comment
  JEPS122815  Hesperolinon micranthum W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-21 298 Sonoma Goodspeed Trail, Sugarloaf Ridge S.P. Comment
  UC1212256  Hesperolinon micranthum Helen K. Sharsmith 1947-5-30 3968 Sonoma Harrison grade 2 mi e Occidental; Inner North Coast Ranges 213 Comment
  UC1212428  Hesperolinon micranthum Herbert L. Mason 1946-7-4 12895 Sonoma 2 mi e Occidental (on Harrison Grade); Inner North Coast Ranges Comment
  UCD110535  Hesperolinon micranthum Frederica Bowcutt 1994-5-21 1817 Sonoma About 40 air miles N of San Francisco; ~ 11 air miles E of Santa Rosa; ~ 18 air miles NW of Napa; ~ 1.5 air miles NE of Kenwood. Along the Meadow Trail ~3/4 mile from the trail head, east from trail up ~ 100 yds. 411 Comment
  JEPS122891  Hesperolinon spergulinum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-21 649 Sonoma Along Pine Flat Rd accessed from Alexander Valley Rd. off of Hwy 101 north of Healdsburg Comment
  UC1212381  Hesperolinon spergulinum Helen K. Sharsmith 1947-5-30 4104 Sonoma ca 1 mi beyond origin of Pine Flat road from Alexander Valley (canyon of Saysal Creek); Inner North Coast Ranges, Mayacamas Range, Saysal Creek 182 Comment
  UC1212386  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-17 4125 Sonoma ca 1 mi beyond origin of Pine Flat road in Alexander Valley (slopes of Saysal Creek canyon); Inner North Coast Ranges, Mayacamas Range, Saysal Creek 182 Comment
  UC1212388  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4133 Sonoma 1 mi s Pine Flat; Inner North Coast Ranges, Mayacamas Mountains 609 Comment
  RSA151797  Hesperolinon spergulinum H. L. Mason 1946-7-4 12901 Sonoma 2 miles east of Occidental. Comment
  CAS-BOT-BC371405  Heterocodon rariflorum Greg de Nevers 1993-4-29 10418 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Devils' Kitchin. 457 Comment
  CDA7880  Heterotheca oregona var. rudis T. R. Haig 1959-11-4 Sonoma 5 miles north of Cloverdale. 0 Comment
  CAS-BOT-BC311162  Heterotheca sessiliflora subsp. bolanderi Carl B. Wolf 1927-9-2 1345 Sonoma 2 miles south of Anchor Cove Comment
  UCD133084  Heterotheca sessiliflora subsp. bolanderi Mary M. Hektner 1976-9-16 269 Sonoma below south end of yardarm Drive, Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC311221  Heterotheca sessiliflora subsp. echioides Peter Rubtzoff 1975-8-16 8329 Sonoma Annadel State Park. Near trail between Bennett Mtn. Lake and Bennett Ridge Road (south of Bennett Mtn. Lake) Comment
  UC496422  Heuchera micrantha var. erubescens Merle Randall 1930-6-7 Sonoma Redwood Forest Comment
  RSA0062988  Heuchera pilosissima Joseph A. Ewan 1935-5-13 9208 Sonoma Bodega Bay Rd. 2 miles W of Bodega. Comment
  SBBG2695  Heuchera pilosissima H. and M. Dearing 1939-5-14 3368 Sonoma N of Fort Ross 91 Comment
  SD64434  Heuchera pilosissima Darley F. Howe 1966-6-2 4262 Sonoma 5 miles south of Bodega Bay Comment
  JEPS36683  Hieracium albiflorum W. L. Jepson 1921-5-6 9185 Sonoma summit of grade from Calistoga to Porter Creek 457 Comment
  JEPS78858  Hieracium albiflorum Edward Lee 1936-6-8 2219 Sonoma Bohemian Grove; grounds near entrance Comment
  CHSC8208  Hierochloe occidentalis Dave Isle 1969-5-10 448 Sonoma 8 miles S. of Stewarts Point off the E. side of HW 1. 30 Comment
  UC1222394  Hoita macrostachya Joseph P. Tracy 1951-7-28 19628 Sonoma 5 mi e Geyserville; Alexander Valley Comment
  SEINET12164293  Hoita macrostachya W. Knight, Knight, I. 1984-1 5051 Sonoma 3 mi up Cavedale rd from Hwy 12 growing in web area at spring Comment
  SEINET176555 Image available Holcus lanatus M. E. Jones 1882-7-18 3546 Sonoma Duncan's Mills 9 Comment
  HSC89935  Holcus lanatus Delzie Demaree 1955-6-12 36964 Sonoma Bottoms in Westminster Woods. Comment
  CAS-BOT-BC164699  Holocarpha Peter Rubtzoff 1970-5-30 6252 Sonoma 5 miles north of Sears Point. Comment
  SD62059  Holocarpha virgata Darley F. Howe 1965-8-3 4104 Sonoma 4 miles west of Santa Rosa Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  CDA10938  Holozonia filipes G. F. Hrusa 1994-6-14 11888 Sonoma North Coast Biodiversity Arena; W of Hogback Mtn. Nathanson Creek, immediately below private dam, approximately 1.5 miles above end of Gehricke Rd. Comment
  CAS-BOT-BC166740  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA783725  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  RSA92835  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Lake; Kenwood, Coney Ranch. 366 Comment
  SEINET257982  Hordeum brachyantherum Mary E. Barkworth, D Amme 1989-6-15 5173 Sonoma S end of Bodega Head onrestored grassland Comment
  JEPS128384  Hordeum brachyantherum subsp. californicum Roger Raiche 2000-5-27 113 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC285195  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1951-7-7 384 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC285197  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1960-5-18 4374 Sonoma Bodega Head Marsh Comment
  POM205106  Hordeum murinum subsp. leporinum A. A. Heller 1902-4-11 5278 Sonoma Bodega Bay. Comment
  UCD86226  Hordeum murinum subsp. leporinum Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-21 44 A Sonoma Unit 2 Owners' Map, Sea Ranch, near State Hwy. 1. Comment
  CAS-BOT-BC273541  Hordeum vulgare Peter H. Raven 1950-4-6 1556 Sonoma Cotati, Sonoma Co. to Santa Rosa 45 Comment
  UCD113399  Horkelia californica B. Crampton 1957-7-22 4376 Sonoma Along State Hwy. 1, 0.9 miles south of Stewart's Point. Comment
  RSA298961  Horkelia tenuiloba Edward Lee 1936-6-7 2200 Sonoma Hear Highpoint, on the fire trail, Bohemian Grove Comment
  CAS-BOT-BC206158  Hosackia crassifolia Crawford Cooley 1992-5-7 s.n. Sonoma Near the Sonoma - Mendocino line ca. 8 airmiles west of Cloverdale on the Cooley Ranch Comment
  UCD106071  Hosackia crassifolia R. H. Neuns 1950-5-8 109 Sonoma Nine miles west of Cloverdale. Comment
  SD186197  Hosackia gracilis G. F. Pratt, C. Pierce 2003-5-15 Sonoma Salt Point State Park. 29 Comment
  SEINET957970  Hosackia oblongifolia L. S. Rose 1962-1 62062 Sonoma 1 mi. NW of Freestone. 76 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-BC401002  Hypericum anagalloides Peter Rubtzoff 1961-10-18 4764 Sonoma Cunningham Marsh Comment
  UCD110333  Hypericum anagalloides Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1971-7-21 158 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD110361  Hypericum concinnum E. Frost 1996-5-26 22 Sonoma Mt. St. Helena, 180 yards in along hiking trail. 609 Comment
  CAS-BOT-BC410820  Hypericum concinnum Volney Rattan 1877-1-1 s.n. Sonoma Cloverdale Comment
  RSA135430  Hypericum concinnum Volney Rattan 1877 Sonoma Cloverdale Comment
  UCR253373  Hypericum perforatum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville 38 Comment
  UC479392  Hypochaeris glabra Marcus E. Jones 1931-7-5 29093 Sonoma w Cloverdale Comment
  CAS-BOT-BC210083  Hypochaeris glabra Peter Rubtzoff 1974-5-18 7437 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  RSA790604  Hypochaeris glabra Peter H. Raven 1950-4-6 1579 Sonoma Cotati to Santa Rosa. 152 Comment
  CAS-BOT-BC316711  Hypochaeris radicata Greg de Nevers 1981-5-9 1022 Sonoma By the Red Corral at teh McCann Homestead, Pepperwood Ranch Comment
  CAS-BOT-BC316714  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC316716  Hypochaeris radicata Carl B. Wolf 1927-9-2 1347 Sonoma 2 miles south of Anchor Cove Comment
  HSC100875  Ilex aquifolium Peter Warner 2011-4-6 185 Sonoma Pitkin Marsh, lower, ~752 m N2 deg. E from junction of Hwy. 116 and Guerneville Rd., S of main stream channel, 30 m N of south boundary fence, along-foot trail. 37 Comment
  UC725311  Iris douglasiana A. A. Heller 1940-5-10 15605 Sonoma e of Stewart Point (near the Gualala River crossing) Comment
  SD56828  Iris douglasiana Darley F. Howe 1963-5-23 Sonoma 4.5 miles north of Cloverdale. 366 Comment
  UCD160311  Iris fernaldii James A. Neilson Jr. 1975-5-23 3211 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  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
  UCD166138  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC173541  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichan Road 426 Comment
  CAS-BOT-BC176124  Isoetes Peter Rubtzoff 1971-9-1 6670 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC61926  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  UCD164100  Isoetes nuttallii Peter Rubtzoff; Nancy Harrison 1978-5-20 9182 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC112414  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh near Forestville: Lower part of the Upper Marsh. Comment
  UCD150848  Isolepis carinata Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC112416  Isolepis carinata Peter Rubtzoff 1963-5-26 5140 Sonoma Bennett Mtn. Lake. Comment
  SEINET4170787 Image available Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Just north of Salmon Creek Comment
  CAS-BOT-BC157987  Juncus Peter Rubtzoff 1968-6-25 5905 Sonoma Lichan Marsh Comment
  CAS-BOT-BC322122  Juncus arcticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh. Comment
  UC1042427  Juncus balticus Peter Rubtzoff 1951-7-7 368 Sonoma near Forestville (e branch of the upper marsh); Pitkin Marsh Comment
  CAS-BOT-BC164032  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6224 Sonoma Sonoma: Five miles north of Sears Point Comment
  POM111209  Juncus bolanderi Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UCD164998  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing. Comment
  SEINET7067269  Juncus bufonius 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
  UC1601701  Juncus bufonius J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  CAS-BOT-BC182750  Juncus dubius Peter Rubtzoff; Betty Lovell 1975-8-11 8314 Sonoma Kenwood Marsh Comment
  UCD141497  Juncus effusus P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCR280144  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-9-3 6693 Sonoma North Coast Range, Spring Creek Reservoir 87 Comment
  CAS-BOT-BC157985  Juncus effusus subsp. pacificus Peter Rubtzoff 1964-8-26 5479 Sonoma Marsh 5 miles NE of Penngrove on Lichan Road 213 Comment
  CAS-BOT-BC164051  Juncus hesperius Peter Rubtzoff 1970-9-3 6375 Sonoma Sonoma: Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing Comment
  UCD167435  Juncus hesperius Peter Rubtzoff 1955-8-20 2089 Sonoma Bodega Harbor Marsh. Comment
  RSA368222  Juncus hesperius Christopher Davidson 1977-6-20 6035 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  UCD161770  Juncus nevadensis James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA94319  Juncus orthophyllus Peter Rubtzoff 1951-8-18 623 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  CDA22504  Juncus patens D. G. Kelch 2003-7-14 3 .381 Sonoma Cavedale Road. Comment
  UCD35508  Juncus patens Beecher Crampton 1957-7-22 4389 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD164186  Juncus phaeocephalus Peter Rubtzoff; Nancy Harrison 1978-6-11 9204 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC166803  Juncus phaeocephalus var. paniculatus Peter Rubtzoff; Nancy Harrison 1978-6-11 9207 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley Comment
  CAS-BOT-BC350941  Koeleria Peter Rubtzoff 1964-6-6 5357 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  RSA93404  Koeleria macrantha Milo S. Baker 1950-5-20 12223 Sonoma Summit above Coleman Ranch, Hope Valley, near Kenwood Comment
  CAS-BOT-BC273783  Koeleria pyramidata Catherine Best 1993-5-6 1414 Sonoma Pepperwood, in Weimar Meadow Comment
  CAS-BOT-BC273788  Koeleria pyramidata G. DeNevers 1981-5-23 1309 Sonoma Pepperwood Ranch. Above (N) of the Green House Comment
  SEINET190913 Image available Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Point. Comment
  CAS-BOT-BC274319  Lagurus ovatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north of Crow's Nest and east of Spyglass Lane, The Sea Ranch Comment
  CAS-BOT-BC173573  Lamiaceae Peter Rubtzoff 1967-9-2 5880 Sonoma Forest Hills (5.5 mi. east of Guerneville). Comment
  UCD165120  Lamium Peter Rubtzoff; Paul But 1974-4-6 7359 Sonoma Along roadside at the border of the Forestville Marsh. Comment
  CAS-BOT-BC324930  Lasthenia burkei Peter Rubtzoff 1966-4-17 5677 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  CAS-BOT-BC474557  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma NW of the city of Santa Rosa, S of River Rd and W of Fulton Rd, just N of Wood Rd, Sampling pool #4. 44 Comment
  JEPS86746  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1029 Sonoma 1.25 mi nw old Windsor (Kidd Development) 41 Comment
  JEPS86748  Lasthenia burkei Jack and Betty Guggolz 1990-5-4 1047 Sonoma 0.5 mi ese center of Sebastapol (on the n side of the Laguna) 19 Comment
  UC1594209  Lasthenia burkei L. Huntington 1990-4-4 252 Sonoma 1100' e of sharp bend in Lytton Station Rd.; Lytton area 51 Comment
  UCR258101  Lasthenia burkei Mark A. Elvin 1997-5-7 398 Sonoma Central Western; Outer North Coast Ranges, west side of RR track north of San Miguel Ave., NW of Santa Rosa 43 Comment
  UCR267442  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, south of River Rd. and west of Fulton Rd., just north of Wood Rd. Sampling pool # 4 45 Comment
  SEINET11447674  Lasthenia burkei P. Rubtzoff 1974-1 Sonoma Comment
  CDA11328  Lasthenia californica G. F. Hrusa 1995-4-2 12038 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  CAS-BOT-BC385626  Lasthenia californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  RSA585976  Lasthenia californica Adree M. Desrochers 1989-4-18 451 Sonoma 12 miles S of Fort Ross State Historic Park; on W side of Hwy 1. Comment
  UC893741  Lasthenia californica subsp. bakeri Milo S. Baker 1932-4-25 5958 Sonoma one mi e Bodega Bay Comment
  UC893742  Lasthenia californica subsp. bakeri Milo S. Baker 1932-4-1 5906 Sonoma 4.5 mi n Ft. Ross Comment
  UCD133664  Lasthenia californica subsp. californica Mary M. Hektner; Cathy Hendel 1974-7-2 102 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  CAS-BOT-BC355532  Lasthenia glaberrima Peter Rubtzoff 1969-5-24 6054 Sonoma 6.5 mi. NE of Penngrove, on Lichan Road 426 Comment
  JEPS117131  Lasthenia gracilis Peter Warner 2010-5-20 154 Sonoma Jenner Headlands, ~100 m W 330 deg. N of residence cabin on Willig Extension Dr., on low rock outcrop in Tank Field Comment
  CAS-BOT-BC370851  Lasthenia minor Katharine Brandegee 1905-6-1 s.n. Sonoma Bodega Comment
  CAS-BOT-BC370892  Lasthenia minor A. A. Heller; H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  JEPS18020  Lasthenia minor George B. Rossbach 1955-3-19 516 Sonoma sw end Bodega Head 30 Comment
  UC1028300  Lasthenia minor George B. Rossbach 1955-3-19 516 Sonoma sw end Bodega Head 30 Comment
  UC353930  Lasthenia minor Milo S. Baker 1928-4-14 2984 Sonoma 1.5 mi n of Bay Comment
  POM54989  Lasthenia minor A. A. Heller, H. E. Brown 1902-4-11 5276 Sonoma Bodega Bay. Comment
  SD241760  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 miles south of Jenner, on bluffs overlooking the ocean. Comment
  UCD164991  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  UCD106204  Lathyrus cicera Botany 102 Students 1993-5-8 252 Sonoma N of Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Bald Mountain Trailhead parking. About 1 air mile S of Red Mountain, just N of Sonoma Creek. Comment
  CDA20555  Lathyrus hirsutus A. Stephens 2005-6-16 PDR 1293626 Sonoma North Coast; Petaluma Hill Rd, Petaluma. 44 Comment
  UCD106229  Lathyrus hirsutus T. C. Fuller 1969-10-1 18964 Sonoma N. and S. of Santa Rosa, Rohnert Park. Comment
  RSA130892  Lathyrus littoralis E. K. Balls 1958-7-20 23583 Sonoma Sonoma Coast State Park off State Hwy. 1. 3 Comment
  UCD106668  Lathyrus tingitanus Donna Allen 1977-5-24 s.n. Sonoma Dry cr. Rd. next to bridge at site of proposed dam. Comment
  UCD106467  Lathyrus vestitus Frederica Bowcutt 1984-6-23 441 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Highway 1. Along bluff trail north of Gerstle Cove about 1/2 mile. 15 Comment
  UCR265133  Lathyrus vestitus Ann Howald 2015-4-1 3333 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  CAS-BOT-BC323254  Layia chrysanthemoides A. A. Heller; H. E. Brown 1902-4-23 5355 Sonoma Near Sonoma Comment
  UCD166136  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC323256  Layia chrysanthemoides Marian L. Campbell 1921-4-15 s.n. Sonoma Sonora Comment
  POM298267  Layia chrysanthemoides D. D. Keck 1931-4-1 992 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  POM361720  Layia chrysanthemoides J. T. Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  RSA785926  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  CAS-BOT-BC123308  Layia chrysanthemoides subsp. maritima Jens Chr. Clausen 1935-5-24 1090 Sonoma 6.2 mi S of Jenner Comment
  RSA0001358  Layia chrysanthemoides subsp. maritima Jens Clausen 1935-5-24 1090 Sonoma 6.2 mi. S. of Jenner Comment
  CAS-BOT-BC321739  Layia gaillardioides David D. Keck; J. Clausen 1935-6-15 3379 Sonoma Russian River, 3 mi above mouth. Comment
  CAS-BOT-BC379623  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 miles south of Jenner Comment
  UC185672  Layia platyglossa Katharine Brandegee 1905-6-1 Sonoma Bodega Comment
  RSA0034026  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC210099  Lemna Peter Rubtzoff 1965-10-10 5656 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC344877  Lemna minor Peter Rubtzoff 1958-8-31 3956 Sonoma Atascadero Creek Marsh. Comment
  UCR255074  Lemna minor Peter Rubtzoff 1961-10-23 4783 Sonoma Laguna de Santa Rosa area northeast of Graton 20 Comment
  UCR256957  Lemna minor Peter Rubtzoff 1954-8-13 1710 Sonoma Bodega Head Marsh 2 Comment
  UC1019908  Lemna minuscula Peter Rubtzoff 1951-6-17 287 Sonoma Pitkin Marsh near Forestville; Pitkin Marsh Comment
  CAS-BOT-BC527284  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC527286  Lemna minuta Peter Rubtzoff 1964-8-20 5467 Sonoma One mile southeast of jenner near crossing of Hwys. 1 and 12 Comment
  RSA0025211  Lemna minuta Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh. Comment
  UCR256273  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  UCD124767  Lepechinia calycina Frederica Bowcutt 1994-6-25 1923 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. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  CAS-BOT-BC173653  Lepidium Peter Rubtzoff 1959-6-13 4131 Sonoma Willow Creek Marsh, banks of Willow Creek Comment
  RSA120850  Lepidium didymum Milo S. Baker 1957-05 13096 Sonoma Junior College Campus, only near Machine Shop Building. Santa Rosa. Comment
  CAS-BOT-BC89739  Lepidium latifolium Walter Knight; Irja Knight 1963-8-9 199 Sonoma North side Lakeville Highway at Petaluma Fertilizer office - Petaluma (waif). Comment
  CAS-BOT-BC12660  Lepidium nitidum A. A. Heller 1902-3-14 5054 Sonoma Santa Rosa. Comment
  CAS-BOT-BC12760  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma. Comment
  CAS-BOT-BC12758  Lepidium oxycarpum John Thomas Howell 1931-4-1 6039 Sonoma 9 miles southwest of Sonoma on road to San Rafael. Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  UCD115834  Lepidium strictum Caitlin Lewis; William Mutch 1993-4-17 12 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  CAS-BOT-BC273999  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-9-2 6354 Sonoma Russian River bottom at Mirabel Park Comment
  CHSC23090  Leptosiphon parviflorus Robert A. Schlising 1962-3-31 2118 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UC1785058  Leptosiphon parviflorus J. Ewan 1935-5-13 9258 Sonoma Wright School on Sebastopol road Comment
  JEPS86801  Lessingia arachnoidea Jack and Betty Guggolz 1991-7-20 1212 Sonoma about 2 1/4 mi nw of Camp Meeker 182 Comment
  JEPS87254  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1336 Sonoma about 1 3/4 mi nw of Camp Meeker 146 Comment
  RSA181939  Lessingia arachnoidea Willard Spence 1960-9-13 630 Sonoma 2 miles from Monte Rio on road to camp Meeker and Occidental Comment
  CDA39790  Lessingia arachnoidea Peter Warner 2013-8-2 298 Sonoma Bohemian Highway, ~ 3 km north-northwest of Camp Meeker, just south of sharp west bend in road, in roadside turnout above Dutch Bill Creek. Comment
  CAS-BOT-BC324189  Lessingia hololeuca Walter Knight; Irja Knight 1963-9-11 409 Sonoma Chileno Valley Comment
  CAS-BOT-BC324193  Lessingia hololeuca John Thomas Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to Camp Meeker Comment
  UC1287461  Lessingia ramulosa Willard Spence 1960-9-13 631 Sonoma 2.5 mi w Graton (at junction of Graton Rd. and Green Hill Rd.) Comment
  UC88007  Lessingia ramulosa W. E. Bryant July 1887 Sonoma Healdsburg Comment
  UC912541  Lessingia ramulosa John Thomas Howell 1920-11-14 2250 Sonoma hills se Santa Rosa 83 Comment
  CAS-BOT-BC342078  Leucanthemum maximum Mary P. Wells 1982-8-21 143 Sonoma Miller Cr., Salt Point St. Pk. Comment
  UCR246786  Leucojum aestivum Ramona Robison 2012-2-15 s.n. Sonoma Santa Rosa, Annadel State Park 351 Comment
  CAS-BOT-BC283528  Leymus X vancouverensis Alice Eastwood 1915-6-29 4876 Sonoma Bodega Point Comment
  CAS-BOT-BC283531  Leymus X vancouverensis Peter Rubtzoff 1962-10-9 5119 Sonoma Near Highway 1 crossing of Salmon Creek near town of Salmon Creek 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
  UCD127541  Ligusticum apiifolium P. G. Connors 1991-7-5 196 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  CAS-BOT-BC451695  Lilaea scilloides Peter Rubtzoff 1972-6-11 6775 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC451708  Lilaea scilloides Peter Rubtzoff 1955-4-30 1799 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC451703  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  CAS-BOT-BC451713  Lilaea scilloides Peter Rubtzoff 1962-6-8 4879 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC130691  Lilium occidentale Peter Rubtzoff 1951-7-28 567 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC130830  Lilium pardalinum Peter Rubtzoff 1951-7-22 539 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC132999  Lilium rubescens Nancy Grasby 1938-7-1 s.n. Sonoma Near Occidental Comment
  UC942861  Limnanthes alba Lewis S. Rose 1951-5-17 51007 Sonoma hills w Agua Caliente 91 Comment
  UC1057461  Limnanthes douglasii G. Thomas Robbins 1937-5-23 180 Sonoma near Wright School (along road between Santa Rosa and Sebastopol) Comment
  RSA155473  Limnanthes douglasii L. S. Rose 1962-6-1 62061 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  RSA129915  Limnanthes douglasii subsp. douglasii Peter H. Raven 1950-4-6 1584 Sonoma Cotati to Santa Rosa. 152 Comment
  SEINET6670470  Limnanthes douglasii subsp. douglasii C. T. Mason 1949-4-11 1249 Sonoma West side of highway 37, 2.4 miles north of junction of state highway 37 and 48, Sears Point. Comment
  UC971845  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1949-4-11 1249 Sonoma w side of Hwy 37 2.4 mi n junction with Highway 48; Sears Point Comment
  CAS-BOT-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
  UC1330359  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 mi from Hwy 116 (0.6 mi from Llano Road); ; Todd Road, near Llano Road, Sonoma Co. Comment
  UC1368724  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma e Sebastopol; Laguna de Santa Rosa 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
  NY37427  Limnanthes vinculans P. Rubtzoff 1962-5-11 4825 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
  UCD166212  Limosella acaulis Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  JEPS58169  Linanthus androsaceus J. Ewan 1935-5-12 9200 Sonoma 2 mi w Bodega (Bodega Bay road) Comment
  UC907791  Linanthus androsaceus Milo S. Baker 1926-1-1 3851 Sonoma 1 mi e Bodega Bay (Bodega Bay road) Comment
  UC614696  Linanthus parviflorus L. Constance 1938-4-24 2156 Sonoma 8 mi s Fort Ross; Russian Gulch 121 Comment
  JEPS23256  Linaria vulgaris G. Thomas Robbins 1958-8-11 3924 Sonoma w of the town of Bodega (along Estero Lane a dirt road about 2 mi s of State Highway 1); Estero Lane Comment
  CAS-BOT-BC249305  Lindernia Peter Rubtzoff 2013-2-15 8357 Sonoma Bennett Mountain Lake, northern lakeshore Comment
  CAS-BOT-BC36015  Lithocarpus densiflorus var. densiflorus Irja Knight; Walter Knight 1964-11-15 773 Sonoma Hood's peak at Johnson Lake Comment
  CAS-BOT-BC430799  Lithophragma affine Alice Eastwood 1921-5-8 10465 Sonoma Petaluma Comment
  CAS-BOT-BC435672  Lithophragma heterophyllum G. DeNevers 1981-3-14 548 Sonoma Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. In the 1st E fork of the N fork, up the canyon where we planted Pinus ponderosa Comment
  CAS-BOT-BC342498  Logfia gallica John Thomas Howell 1930-6-8 5236 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  UCD66189  Lolium multiflorum Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 B Sonoma Sea Ranch, near State Highway 1. Comment
  SEINET7042400  Lolium multiflorum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD66660  Lolium temulentum David L. Morgan 1956-5-13 Sonoma On Watmaugh Road, 1/2 mile W of junction of Arnold Drive. Comment
  CAS-BOT-BC269193  Lolium temulentum K. Wagnon 1939-4-20 181 Sonoma Across the road from Santa Rosa Country Club, about 5 miles east of Santa Rosa Comment
  RSA121233  Lolium temulentum H. S. Yates 1937-5-31 6560 Sonoma 1.5 mi. WNW of Mark West Springs 183 Comment
  UCD66664  Lolium temulentum Collector Unknown 1941-4-1 Sonoma Sebastopol Hwy. Comment
  POM133383  Lomatium californicum A. A. Heller, H. E. Brown 1902-3-28 s.n. Sonoma Hills at Santa Rosa Comment
  CHSC114316  Lomatium dasycarpum D. G. Kelch; A. G. Murdock, Ben Carter 2007-5-13 07 .271 Sonoma Cavedale Rd. 518 Comment
  RSA0051266  Lomatium hallii Greg de Nevers 1993-5-10 10443 Sonoma Harrison Grade. 182 Comment
  JEPS25142  Lomatium nudicaule G. Thomas Robbins 1959-5-16 4012 Sonoma s.w. outskirts El Verano (Sonoma Valley); Sonoma Valley 30 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-BC217807  Lomatium repostum Greg de Nevers 1997-6-7 11020 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  RSA177956  Lomatium repostum R. F. Thorne 1965-4-20 343226 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA177898  Lomatium repostum R. F. Thorne 1965-4-20 34355 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UCR265128  Lomatium utriculatum Ann Howald 2015-4-1 3327 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  CAS-BOT-BC540801  Lonicera Peter Rubtzoff 1962-4-11 4787 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD137317  Lonicera hispidula Mary M. Hektner 1974-7-8 138 Sonoma along State Highway 1, just north of Whalebone Reach, Unit 24 Owners' Map, Sea Ranch. Comment
  CDA11137  Lonicera hispidula var. vacillans G. F. Hrusa, G. L. Stebbins, J. Major 1993-11-12 11548 Sonoma North Coast Biodiversity Arena; Fairfield-Osborne Reserve, 3 mi. E of Cotati. Comment
Read comments
Jul 28 2008
  UC912444  Lonicera hispidula var. vacillans Herbert L. Mason 1934-4-28 8080 Sonoma Jensen's Ranch Comment
  POM68030  Lonicera involucrata Marcus E. Jones 1882-7-17 2739 Sonoma Duncan's Mills. Comment
  OBI39523  Lonicera involucrata var. ledebourii F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -148 Sonoma Bridgehaven (village) near jctn of Willow Crk Rd. and Ca hwy 1 along Russian river. 37 Comment
  CAS-BOT-BC376250  Lotus Greg de Nevers 1992-6-26 10181 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  RSA115453  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma Fort Ross Comment
  UCD106700  Lotus angustissimus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-6 134 Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM258887  Lotus angustissimus Alice Eastwood, John T. Howell 1938-6-11 6267 Sonoma Near Stillwater Cove. Comment
  UC80924  Lotus crassifolius var. crassifolius unknown July, 1885 Sonoma Kelseyville to Cloverdale Comment
  HSC2127  Lotus formosissimus C. B. Wolf 1927-9-2 1353 Sonoma 1.0 mi. S of Gualala River Comment
  UC196927  Lotus formosissimus P. B. Kennedy Jun 1915 Sonoma Del Mar, n Sonoma Co. Del Mar Comment
  SEINET3131486  Lotus grandiflorus var. grandiflorus M. S. Baker sn Sonoma Near Occidental Comment
  UC80808  Lotus heermannii Alice Eastwood 1899-6-9 Sonoma Bodega Point Comment
  UC69629  Lotus humistratus J. Burtt Davy 1896-3-13 1655 Sonoma Duncan's Mills Comment
  HSC98263  Lotus humistratus S. N. Wiemeyer 1962-4-20 29 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  SEINET3694589 Image available Lotus humistratus Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15125 Sonoma 2 miles N of Kellogg Comment
  SEINET10687166 Image available Lotus purshianus A. Arthur Heller 1902-8-18 Heller 6051 Sonoma Santa Rosa. Comment
  SEINET3523773 Image available Lotus purshianus Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15122 Sonoma Roadside, 2 miles N of Kellogg Comment
  JEPS55882  Lotus stipularis var. stipularis P. B. Kennedy ca. 1914 Sonoma Del Mar Comment
  UC353934  Lotus stipularis var. stipularis Milo S. Baker 1928-4-18 2970 a Sonoma near Vine Hill School Comment
  UC750814  Lotus stipularis var. stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma w of Santa Rosa; Vine Hill Comment
  CAS-BOT-BC290614  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  RSA0034027  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCD165773  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  UCD65934  Ludwigia hexapetala B. J. Grewell 2006-11-10 06- 91 -LU Sonoma Russian River just downstream of seasonal dam, Veteran's Memorial Park, Healdsburg. Access via kayak. 23 Comment
  UCD66046  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 55 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  UCD78331  Ludwigia hexapetala B. J. Grewell 2005-11-21 05- 45 -LU Sonoma Local tributary to Mark West Creek, n. side River Road, Santa Rosa across rd. from Martinelli Winery. Within Laguna de Santa Rosa sub-basin of the Russian River Watershed. 28 Comment
Read comments
Aug 10 2011
  CAS-BOT-BC251194  Ludwigia palustris Peter Rubtzoff 1954-8-4 1656 Sonoma Guerneville Marsh. Comment
  POM312607  Ludwigia palustris var. pacifica H. L. Mason 1946-7-4 12886 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC157979  Ludwigia peploides Peter Rubtzoff 1958-9-6 3969 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road) Comment
  POM83510  Ludwigia peploides subsp. peploides Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  CAS-BOT-BC201291  Lupinus Charles Piper Smith 1947-6-25 47572 Sonoma Highway 1, Stewarts Point, 7.6 miles south Comment
  RSA788828  Lupinus Carrie A. Herd 1982-4-25 79 Sonoma Crane Creek Regional Park, Flattened area above Crane Creek Comment
  UCD167634  Lupinus albifrons James A. Neilson Jr. 1977-3-7 3846 Sonoma Mayacmas Mountains. Near soulth base Mt. St. Helena. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET5327629  Lupinus albifrons A. A. Heller, H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood. Comment
  CAS-BOT-BC195975  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48161 Sonoma Junction Melitta-Mark West-Petrified Forest roads - Petrified Forest, 0.7 miles south Comment
  CAS-BOT-BC195977  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48165 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  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
  JEPS77262  Lupinus albifrons var. albifrons Robert M. Lloyd 1963-4-24 2399 Sonoma 16.5 mi from State Hwy. 12 on road to Oakdale 274 Comment
  UCD151311  Lupinus albifrons var. collinus James A. Neilson Jr. 1974-4-30 2727 Sonoma Mayacmas Mountains. Geyser-Healdsburg Road, 1/2 mile north of Culver Baer Mine. (Elevation estimated by label-maker using topo map.) 853 Comment
  CAS-BOT-BC196459  Lupinus arboreus Alice Eastwood; John Thomas Howell 1939-4-2 7371 Sonoma North of Bodega Bay Comment
  LA205175  Lupinus arboreus J. A. Ewan; 1935-5-12 9231 Sonoma 1.5 mi. W of Bodega on Bodega Bay road Comment
  CDA36849  Lupinus bicolor CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD150127  Lupinus bicolor Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  UCD167409  Lupinus bicolor James Neilson 1977-3-25 3852 Sonoma Mayacmas Mountains, about 3 miles south Pine Flat on Pine Flat Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR248903  Lupinus bicolor Peter Rubtzoff 1969-5-11 6043 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UC126967  Lupinus bicolor Willis L. Jepson 1893-5-3 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena (foot of grade) Comment
  POM320491  Lupinus densiflorus var. densiflorus Chris Dearden 1971-4-7 26 Sonoma Roadside turnout along HIghway 1, between Lytton and Geyserville. Pacific ocean drainage area. 213 Comment
  HSC14968  Lupinus densiflorus var. palustris H. E. Parks, S. T. Parks 1930-5-9 600 Sonoma West end of Knights Valley 152 Comment
  SEINET12165200  Lupinus densiflorus var. palustris F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -224 Sonoma Valley Ford, junction of CA 1 & Valley Ford-Freestone highway, along Ebabias Creek 30 Comment
  SD125495  Lupinus formosus var. formosus D. B. Dunn, Conrad and Ledoux 1973-6-9 20712 Sonoma 5.3 miles east of the Junction of Highway 101 and Highway 116 on 116. Comment
  UCD108132  Lupinus latifolius Christine Lee 1993-4-24 95 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 Sonoma Creek along Hillside Trail. 396 Comment
  CDA27499  Lupinus microcarpus var. densiflorus T. C. Fuller 1966-6-2 14858 Sonoma East side of Pacific Coast Highway 1, 0.2 mile south of junction with Petaluma-Valley Ford Road, 1 mile east of Valley Ford. 0 Comment
  UC727104  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15635 Sonoma along State Highway #1, one mi e Valley Ford; e of Valley Ford Comment
  SDSU4969  Lupinus microcarpus var. microcarpus D. F. Howe 1966-6-2 4263 Sonoma 0.5 miles south of Bodega Bay. Comment
  CAS-BOT-BC320547  Lupinus polycarpus Peter Rubtzoff 1974-4-17 7377 Sonoma Upper Green Valley Marsh. Comment
  SEINET12165155  Lupinus polycarpus W. Knight, Kinight, I.; DrEdwards, S. 1986-1 5337 Sonoma Geyser Peak - access from Healdsburg-Geysers Rd 853 Comment
  CAS-BOT-BC210019  Luzula Peter Rubtzoff; Nancy Harrison 1978-6-11 9205 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley Comment
  UC221764  Lythrum hyssopifolia Dr. Edward Palmer 1892-6-27 2399 Sonoma Petaluma Comment
  UCR218644  Lythrum hyssopifolia George K. Helmkamp, E. A. Helmkamp 2010-6-4 16209 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  RSA0015994  Lythrum hyssopifolia Peter Rubtzoff 1958-7-19 3775 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  SEINET12193549  Lythrum hyssopifolia W. Knight, Knight, I. 1983-1 4719 Sonoma Sonoma Mountain Rd #2 at former Jack London property at old Wake Robin Lodge site Comment
  CDA19171  Lythrum salicaria S. Opbroek 2000-7-14 PDR 038289 Sonoma North Coast Ranges; 6225 Stony Pt. Rd., Cotati. 0 Comment
  RSA0016032  Lythrum tribracteatum Peter Rubtzoff 1970-8-18 6308 Sonoma Five miles north of Sears Point. Comment
  UCD166261  Madia Peter Rubtzoff 1970-8-19 6329 Sonoma On Austin Creek Beach, 3.5 miles south of Cazadero. Comment
  CAS-BOT-BC227611  Madia Peter Rubtzoff 1971-6-30 6582 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD164542  Madia Peter Rubtzoff 1975-8-16 8324 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC368061  Madia anomala Greg de Nevers 1998-5-26 11259 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  CAS-BOT-BC342616  Madia anomala John Thomas Howell 1959-5-7 34594 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC344042  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  CDA8246  Madia elegans subsp. vernalis M. K. Bellue 1943-5-14 Sonoma Road into Donahue. 0 Comment
  JEPS81150  Madia exigua Edward Lee with W. A. Setchell 1936-6-7 2196 Sonoma fire trail south ridge; Bohemian Grove Comment
  UC1301040  Madia exigua Helen K. Sharsmith 1963-5-25 5476 Sonoma road from Freestone to Occidental 121 Comment
  CAS-BOT-BC343451  Madia gracilis John Thomas Howell 1937-7-4 13065 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343460  Madia gracilis G. DeNevers 1981-5-23 1275 Sonoma Pepperwood Ranch Comment
  RSA177896  Madia gracilis subsp. gracilis R. F. Thorne 1965-4-20 34351 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  CAS-BOT-BC345202  Madia sativa Alice Eastwood 1921-5-8 10445 Sonoma Petaluma Comment
  CAS-BOT-BC345212  Madia sativa Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC345260  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental 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
  UCD139120  Maianthemum stellatum Frederica Bowcutt 1994-5-1 1779 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon S of Sonoma Creek about 150 yards, 1/4 mile northwest of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. Campground. 350 Comment
  UC479391  Malacothrix floccifera Marcus E. Jones, A. M. 1931-8-3 29094 Sonoma Cloverdale Comment
  UC1042431  Malus pumila var. domestica Peter Rubtzoff 1951-11-24 847 Sonoma near Forestville (Pitkin Marsh, Upper Marsh, uppermost part of w branch); Pitkin Marsh Comment
  UCD116558  Malva nicaeensis Mary M. Hektner 1976-4-3 240 Sonoma Along fence and road at Sea Ranch Association Office, Sea Ranch, near State Highway 1. Comment
  UC452570  Marah fabacea Katharine Brandegee June 1905 Sonoma Bodega Comment
  CAS-BOT-BC268116  Medicago Peter Rubtzoff 1956-9-14 2890 Sonoma Vacation Beach, near Guerneville, along Russian River. 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-BC268106  Medicago Peter Rubtzoff 1969-6-22 6102 Sonoma Forest Hills, 5.5 miles east of Guerneville at 9981 Old River Road. Comment
  UCD151155  Medicago polymorpha James A. Neilson Jr. 1973-6-7 3443 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment
  CAS-BOT-BC269513  Melica californica Peter Rubtzoff 1952-6-3 1147 Sonoma South slopes of Fitch Mtn., near Healdsbrug [Healdsburg] Comment
  CAS-BOT-BC269518  Melica californica A. A. Heller 1902-4-9 5246 Sonoma In a railroad cut three miles south of Healdsburg Comment
  UC53670  Melica californica F. T. Bioletti 1893-6-5 Sonoma s Los Guilucos Valley Los Guilucos Valley Comment
  CAS-BOT-BC281283  Melica geyeri John Thomas Howell; et al. 1982-4-28 54674 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC383038  Melica geyeri Greg de Nevers 1989-4-1 9057 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  SD134042  Melica geyeri Greg de Nevers 1987-6-1 8184 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  UC1132266  Melica geyeri H. S. Yates 1934-4-22 3839 Sonoma 3 mi e Mark West; Calistoga Quad. 213 Comment
  UCD87347  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  UCD87348  Melica geyeri R. Tofsrud 1941-4-1 280 Sonoma Doyle Park, Santa Rosa. Comment
  UCD87391  Melica harfordii Beecher Crampton 1955-6-17 2965 Sonoma 2 miles east of Fort Ross. Comment
  UCD87519  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  UCD88610  Melica subulata B. Crampton 1955-6-17 2962 Sonoma 2 miles east of Fort Ross. Comment
  CAS-BOT-BC262562  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi. north of Sonoma 60 Comment
  JEPS128350  Melica torreyana Roger Raiche 2000-4-8 024 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1024769  Melica torreyana Leo Whitney 1935-4-14 2259 b Sonoma near Occidental (Blunden's Pasture) Comment
  UCD36693  Melica torreyana Beecher Crampton 1955-6-17 2956 Sonoma Sonoma County, 5 miles west of Cazadero, on road to Fort Ross. Comment
  UCD55139  Melica torreyana Ellen Dean; Tammie Beyerl 2006-4-28 3021 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  CAS-BOT-BC164351  Melissa Peter Rubtzoff 1973-9-9 7317 Sonoma Kenwood Marsh. Comment
  RSA784569  Melissa Peter Rubtzoff 1973-9-9 7317 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC157655  Mentha Peter Rubtzoff 1965-8-29 5627 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  RSA785673  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, E of Graton (between Occidental and Guerneville Road). Comment
  JEPS117114  Mentha aquatica Peter Warner 2010-7-29 173 Sonoma Lower Pitkin Marsh, along primary drainage channel, near NE property boundary. Comment
  CAS-BOT-BC164092  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. 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
  POM283194  Mentha pulegium A. A. Heller 1902-7-1 s.n. Sonoma Lagoon at Sebastopol Comment
  RSA785665  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  SEINET7952677  Mentha pulegium G. R. Hall 1906-10-14 s.n. Sonoma Guerneville. Comment
  UC187861  Mentha pulegium Edw. L. Greene 1888-8-30 Sonoma above S. Rosa <Santa Rosa?> (<Santa Rosa?>); above S. Rosa <Santa Rosa?> Comment
  UCD125174  Mentha pulegium F. L. Griffin Date unknown s.n. Sonoma exact location unknown. Comment
  UCD148373  Mentha pulegium Peter Rubtzoff 1955-10-12 2165 Sonoma Duncans Mills Marsh, lower portion of marsh. Comment
  RSA785142  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Guerneville region: Russian River. Vacation Beach, near Guerneville. Comment
  UCR244615  Mentha spicata Peter Rubtzoff 1955-8-28 2112 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC428953  Micranthes californica Ella Dales Cantelow 1939-4-10 2604 Sonoma Grade n.w. of Cazadero Comment
  JEPS128228  Micropus Roger Raiche 2000-5-4 071 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC322615  Micropus amphibolus John Thomas Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC348630  Micropus californicus var. californicus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54003 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  SEINET11807614  Micropus californicus var. californicus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -187 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 630 Comment
  CAS-BOT-BC348687  Microseris acuminata Alice Eastwood 1921-4-24 10393 Sonoma Santa Rosa Comment
  SD134025  Microseris douglasii Greg de Nevers 1987-4-25 8167 Sonoma Pepperwood Ranch Natural POreserve; 3500 Franz Valley Road 99 Comment
  JEPS85522  Microseris laciniata Charles F. Quibell 1990-5-20 2019 Sonoma Hunter Lane, northeast of Rohnert Park, 0.2 mi west of junction with Petaluma Hill Road. Comment
  CAS-BOT-BC322750  Microseris paludosa Lawrence Beane; Lois E. James 1949-5-16 1941 Sonoma About 3 miles south of Healdsburg Comment
  CAS-BOT-BC311869  Mimulus Peter Rubtzoff 1955-8-20 2063 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC311872  Mimulus Peter Rubtzoff 1976-6-18 8656 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC320531  Mimulus Peter Rubtzoff 1970-6-21 6271 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA0025384  Mimulus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh. In lower part of the Upper Marsh. Comment
  RSA0025400  Mimulus Peter Rubtzoff 1954-7-29 1606 Sonoma Guerneville Marsh. Comment
  JEPS128314  Mimulus aurantiacus Roger Raiche 2000-5-21 102 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this not the name on USGS topo sheets.) Gualala River, Wheatfield Fork watershed. Comment
  JEPS76921  Mimulus aurantiacus Robert M. Lloyd 1963-2-24 2057 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 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
  SEINET12329968  Mimulus aurantiacus F. H. Utech 1986-1 86 -101 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  UCD39137  Mimulus cardinalis Beecher Crampton 1964-8-18 7144 Sonoma N.E. 'The Geysers', Big Sulphur Creek. Comment
  UC905106  Mimulus congdonii Milo S. Baker 1927-3-11 2015 b Sonoma near Santa Rosa (above road up canyon); Los Alamos Canyon Comment
  RSA0040387  Mimulus guttatus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  UCR248742  Mimulus guttatus Peter Rubtzoff 1974-5-18 7407 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UCR248879  Mimulus guttatus Peter Rubtzoff 1964-7-29 5442 Sonoma Central Coast, Brooks Gulch Marsh 15 Comment
  UCR252543  Mimulus guttatus Peter Rubtzoff 1969-5-24 6060 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  UCR252547  Mimulus guttatus Peter Rubtzoff 1964-8-26 5476 Sonoma Central Coast, [Lichau] Marsh, 5 miles northeast of Penngrove on Lichau Road 220 Comment
  RSA0022511  Mimulus guttatus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  JEPS19393  Mimulus inodorus G. Thomas Robbins 1937-6-5 226 Sonoma 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  UCD151179  Mimulus microphyllus James A. Neilson Jr. 1974-4-16 2874 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  UCD40972  Mimulus nanus var. mephiticus Collector Unknown 1978-1 s.n. Sonoma 19 miles east of Fallon. (Fallon is in Marin County, but 19 mi E is Sonoma County). 30 Comment
Read comments
Mar 13 2006
  UCR44927  Mimulus nudatus L. F. LaPre 1986-6-3 s.n. Sonoma Dorr Place, 4 mi up a private road from Mannings Flats in Austin Creek State Recreation Area, 6 mi north of Cazadero on upper Austin Creek 207 Comment
  UCD39138  Mimulus pilosus Beecher Crampton 1964-8-18 7145 Sonoma N.E. Sonoma County: 'The Geysers', Big Sulphur Creek. Comment
  JEPS19397  Mimulus tricolor G. Thomas Robbins 1938-5-19 264 Sonoma sw Santa Rosa (Stony Point Road, near The Lagunas) Comment
  CDA11327  Minuartia californica G. F. Hrusa 1995-4-2 12037 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  JEPS48608  Minuartia douglasii Eleanor Armstrong 1932-5-20 482 Sonoma near Kenwood (3 mi up canyon); Adobe Canyon 152 Comment
  UC1299494  Minuartia douglasii Freed W. Hoffman 1947-6-4 531 Sonoma headwaters of East Austin Creek North Coast Ranges Comment
  CAS-BOT-BC388901  Minuartia douglasii M. S. Baker 1925-4-26 87 a Sonoma Maple Glen Comment
  JEPS128261  Moehringia macrophylla Roger Raiche 2000-4-15 034 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC435111  Mollugo verticillata Peter Rubtzoff 1965-8-29 5624 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville). Comment
  JEPS117103  Monardella purpurea Peter Warner 2010-6-14 165 Sonoma Jenner Headlands, upper Jenny Pasture, ~ 125 m N 72 deg. E of residence house Comment
  CHSC67997  Monardella villosa Jack Guggolz; Betty Guggolz 1992-5-17 1303 Sonoma West side of Black Mountain, south of Geyser Peak. Blooming just above the Anderson Trail on O'Farrell property. 597 Comment
  SEINET4173672 Image available Monardella villosa Annetta Carter, Ethel Crum 1941-6-22 1641 Sonoma 3.3 miles east of Bay (Bodega Bay). Comment
  CAS-BOT-BC314205  Monardella villosa subsp. subserrata D. E. Breedlove 1980-6-27 44772 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  JEPS62414  Monardella villosa subsp. villosa M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 221 Sonoma Between Guerneville and Monte Rio; Russian River Comment
  CAS-BOT-BC314183  Monardella villosa subsp. villosa A. L. Graff 1926-6-1 s.n. Sonoma Near Cazadero. Comment
  CAS-BOT-BC314207  Monardella villosa subsp. villosa C. L. Hitchcock; J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park. Comment
  UC1784120  Monardella viridis Ethel Crum 1930-7-13 816 Sonoma Mt. St. Helena, S shoulder Comment
  CAS-BOT-BC220701  Monardella viridis Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 228 Comment
  UCR106049  Montia fontana Peter Rubtzoff 1966-4-30 5685 Sonoma North side of Hwy 116, 0.5 miles northwest of Stony Point Road crossing Comment
  CAS-BOT-BC444983  Montia fontana R. Bacigalupi 1948-3-6 2856 A Sonoma At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs, NW Sonoma County Comment
  CAS-BOT-BC444999  Montia fontana Peter Rubtzoff 1952-3-23 900 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC515644  Muilla maritima Rimo Bacigalupi 1926-3-27 1252 Sonoma Meadow opposite Myrtledale Geyser 1 1/2 mi north of Calistoga Comment
  CAS-BOT-BC515646  Muilla maritima Peter H. Raven 1950-4-6 1567 Sonoma Cotati to Santa Rosa Comment
  CAS-BOT-BC376363  Myosotis discolor Greg de Nevers 1990-3-26 9655 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Weimar Flat. 400 Comment
  UCD166497  Myosurus Peter Rubtzoff 1966-4-17 5672 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC101791  Myrica californica Peter Rubtzoff 1957-4-28 3290 Sonoma Duncans Mills Marsh Comment
  UC672617  Myrica californica Herbert L. Mason 1928-4-8 4291 Sonoma Fort Ross Comment
  CAS-BOT-BC251163  Myriophyllum aquaticum Peter Rubtzoff 1970-8-18 6318 Sonoma 5 miles north of Sears Point. Comment
  UCR244634  Myriophyllum hippuroides Peter Rubtzoff 1955-7-16 1966 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  CAS-BOT-BC251168  Myriophyllum hippuroides Peter Rubtzoff 1963-9-1 5247 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC456192  Najas guadalupensis Peter Rubtzoff 1973-8-27 s.n. Sonoma Upper Green Valley Marsh area. Comment
  UC1133202  Nassella pulchra H. S. Yates 1934-4-21 3780 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UCD38537  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg, along U.S. Hwy 101. Comment
  CAS-BOT-BC60517  Nasturtium officinale Peter Rubtzoff 1951-6-9 173 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  UCD161268  Nasturtium officinale James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3684 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of Big Sulphur Creek and the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC230265  Navarretia cotulifolia Miss May 1885-6-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC230267  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma San Miguel Island. Head east fork of Canyon Del Mar 0.3 miles west of the old ranch house. 152 Comment
  UC750803  Navarretia squarrosa Charles B. Heiser Jr. 1946-8-17 1826 Sonoma near Duncan Mills (banks of Russian River); Russian River Comment
  RSA98661  Navarretia squarrosa G. Thomas Robbins 1939-7-4 272 Sonoma Near Graton Comment
  UC1541554  Navarretia tagetina H. E. and S. T. Parks 1930-5-10 847 Sonoma Knights Valley 152 Comment
  POM260569  Navarretia tagetina L. S. Rose 1940-5-22 40366 Sonoma Sonoma 30 Comment
  UCD160863  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 a Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC606893  Nemophila heterophylla L. Constance 1938-4-24 2151 Sonoma 2 mi ne Bodega (Salmon Creek); , ne of Bodega 91 Comment
  UCR265121  Nemophila heterophylla Ann Howald 2015-4-1 3326 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 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
  JEPS1887  Nemophila menziesii var. atomaria L. Constance 1938-4-24 2158 Sonoma mouth of small canyon 0.5 mi s Fort Ross; s of Fort Ross 91 Comment
  POM216812  Nemophila menziesii var. menziesii H. F. Copeland 1933-3-18 s.n. Sonoma Field northeast of Santa Rosa. Comment
  CAS-BOT-BC173515  Nicotiana Peter Rubtzoff 1970-9-13 6387 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  RSA0034040  Nicotiana Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR279605  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, c. 1 mile SE of Trenton 30 Comment
  SD109448  Notholithocarpus densiflorus Jack Reveal 7/1981 2746 Sonoma near Annapolis 305 Comment
  JEPS128195  Notholithocarpus densiflorus var. densiflorus Roger Raiche 1999-12-4 052 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC400125  Nuphar polysepala Peter Rubtzoff 1964-8-20 5468 Sonoma 1 mi. southeast of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  UCR255686  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  UCD127739  Oenanthe sarmentosa Mary M. Hektner; Cathy Hendel 1974-6-26 073 Sonoma Unit 3 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC251251  Oenothera Peter Rubtzoff 1960-5-18 4383 Sonoma Bodega Head Marsh. Comment
  UCD144579  Origanum vulgare Susan Dean 2013-11-18 s.n. Sonoma 1722 Barlau Lane, Sebastopol. 51 Comment
  UCD35515  Orobanche californica subsp. californica B. Crampton 1957-7-11 4335 Sonoma 1.3 miles north of Salmon Creek, Sonoma Coast State Park. Comment
  SD56755  Orobanche fasciculata Darley F. Howe 1963-7-2 Sonoma 4.2 miles north of junction with #12 on #1. Comment
  RSA402030A  Orthocarpus faucibarbatus L. S. Rose 1933-5-9 33158 Sonoma Bodega Bay. Comment
  POM210213  Orthocarpus faucibarbatus H. E. Parks 1930-5-9 s.n. Sonoma Knights Valley, Comment
  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
  HSC34881  Oxalis corniculata Thomas W. Nelson, James Nelson 1975-3-25 1752 Sonoma Beside Hwy. 128 E of Geyserville. Comment
  UC963919  Packera Milo S. Baker 1934-4-28 7605 Sonoma w Dry Creek Valley (ne corner of ranch); Jensen Ranch Comment
  UC176759  Packera eurycephala var. eurycephala W. J. V. Osterhout 1909-1-1 Sonoma Geysers Comment
  CAS-BOT-BC227645  Panicum Peter Rubtzoff 1978-9-10 9263 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on S. Fitch Mountain Road. Comment
  CAS-BOT-BC227647  Panicum Peter Rubtzoff 1973-8-20 7232 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UC1102638  Panicum acuminatum var. acuminatum P. Zinke 120 Sonoma 16 mi e Cloverdale (at the Big Geysers); Quad. 60A3, Big Geysers, e of Cloverdale 487 Comment
  JEPS121155  Panicum acuminatum var. fasciculatum Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18598 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UCD88407  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4387 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD88704  Panicum acuminatum var. fasciculatum Peter Kamb; Francia Chisaki 1950-6-16 1852 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. South end of marsh. Comment
  UCD32824  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 b Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Comment
  UCD89128  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 f Sonoma North East part of county. The Geysers, Comment
  UCSC000082  Panicum capillare Ken Kellman 1998-9-12 s.n. Sonoma Sandy ground above overflow pool of the Russian River, near Guerneville Comment
  UC39250  Panicum miliaceum subsp. miliaceum E. M. Smith 1898-8-9 Sonoma Kenwood Comment
Read comments
Mar 30 2009
  SBBG115659  Panicum thermale B. Crampton 1964-8-18 7139 e Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  CAS-BOT-BC175545  Parnassia palustris Roger Raiche 1885-8-10 50721 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek 243 Comment
  UC1185392  Parvisedum pumilum Wayne Roderick 1961-5-4 Sonoma Agua Caliente 3 mi n of Sonoma (at intersection of Route 12 and Sierra Avenue) Comment
  CAS-BOT-BC312685  Paspalum Peter Rubtzoff 1987-9-27 9852 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC259692  Paspalum dilatatum Walter & Irja Knight; John Thomas Howell 1987-5-14 6386 Sonoma Llano Road near sewage treatment plant Comment
  CAS-BOT-BC265687  Paspalum distichum Peter Rubtzoff 1958-8-16 3868 Sonoma Laguna de Santa Rosa north of Sebastopol, near Occidental Road Comment
  CAS-BOT-BC265690  Paspalum distichum Peter Rubtzoff 1955-7-17 1973 Sonoma Guerneville Marsh Comment
  RSA227225  Paspalum distichum Peter Rubtzoff 1954-7-5 1536 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC376221  Pectocarya pusilla Greg de Nevers 1992-4-28 10120 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Hendley Flat 457 Comment
  RSA177951  Pedicularis densiflora Robert F. Thorne 1965-4-20 34328 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC76109  Pedicularis densiflora Milo S. Baker 1898-4-2 Sonoma near Forestville Comment
  HSC24667  Pedicularis densiflora F. Demostene 1966-4-1 5 Sonoma 2 mi. E of Healdsburg Comment
  SEINET12330325  Pedicularis densiflora W. Knight, Knight, I. 1986-1 5318 Sonoma Access from Healdsburg-Geyser Road 853 Comment
  UCD165877  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  SEINET12183627  Pelargonium grossularioides H. K. Wagnon 1989-1 1894 Sonoma around Jack London's Original ?, Jack London State Park Comment
  CAS-BOT-BC207034  Pelargonium zonale Ethel Hodges 1946-7-1 s.n. Sonoma Stewart's Pt. Comment
  UCD151085  Pellaea mucronata James A. Neilson Jr. 1974-6-1 2769 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  JEPS78830  Penstemon heterophyllus var. australis Edward Lee 1936-6-7 2199 Sonoma on the fire trail near Highpoint (Bohemian Grove); , near Highpoint Comment
  CAS-BOT-BC245714  Penstemon newberryi var. sonomensis E. Swett 1878-6-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC245716  Penstemon newberryi var. sonomensis Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  UCD55062  Penstemon newberryi var. sonomensis Ellen Dean; California Department of Forestry Personnel 2006-4-26 3000 Sonoma Top of Mt. St. Helena. 1319 Comment
  UC35615  Pentachaeta exilis F. T. Bioletti 1892-1 Sonoma Comment
  RSA0059040  Pentagramma triangularis Ira L. Wiggins 1932-3-12 5761 Sonoma Fence row between Knights Valley and Franz Valley. Comment
  CDA13804  Perideridia howellii G. F. Hrusa, A. Buckmann 1996-10-5 13584 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Comment
  UC106533  Perideridia kelloggii J. W. Congdon 1880-8-2 Sonoma Santa Rosa Road Comment
  UCD127852  Perideridia kelloggii K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  CAS-BOT-BC413638  Persicaria amphibia Peter Rubtzoff 1971-6-25 6555 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413664  Persicaria amphibia Volney Rattan 1877-6-4 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC413666  Persicaria amphibia Walter Knight; Irja Knight 1964-10-4 726 Sonoma Howarth Park, Santa Rosa Comment
  CAS-BOT-BC413744  Persicaria hydropiper Peter Rubtzoff 1968-8-18 5930 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC413746  Persicaria hydropiper Peter Rubtzoff 1966-6-5 s.n. Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville rds. Comment
  UCD167961  Persicaria lapathifolia James Neilson 1981-7-16 4054 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker. Location information obtained from Neilson 4048 which was collected on the same day at Big Sulphur Creek at bridge crossing road to Cloverdale, SW 1/4 SE 1/4 Sect. 5, T11N, R9W.) Comment
  CAS-BOT-BC419267  Persicaria maculosa Peter Rubtzoff 1968-9-21 5978 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC419271  Persicaria maculosa Peter Rubtzoff 1965-8-29 5630 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC419426  Persicaria punctata Peter Rubtzoff 1958-8-31 3949 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419418  Persicaria punctata Walter Knight; Irja Knight 1965-9-12 1189 Sonoma Newanga Road, Santa Rosa Comment
  CAS-BOT-BC419421  Persicaria punctata Peter Rubtzoff 1952-10-26 1334 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UC75812  Petasites frigidus var. palmatus Milo S. Baker 1898-4-5 7 Sonoma near Stewarts Point (Coast Road) Comment
  JEPS128227  Petrorhagia prolifera Roger Raiche 2000-5-4 076 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD64435  Phacelia californica Darley F. Howe 1966-6-2 Sonoma 5.0 miles south of Bodega Bay. Comment
  UC1333289  Phacelia californica Malcolm L. Byce 1936-3-21 147 Sonoma 1 1/2 mi e Bodega Bay; Larkspur Rock Comment
  UC703123  Phacelia distans John Thomas Howell 1929-6-9 4306 Sonoma near Petrified Forest Comment
  UCR168244  Phacelia distans Alice Eastwood 1933-5-7 18841 Sonoma Sonoma 198 Comment
  SEINET5906166 Image available Phacelia distans L. S. Rose 1965-1 65021 Sonoma 1 mi N of Sonoma Comment
  UC923112  Phacelia distans Freed W. Hoffman June, 1950 3316 Sonoma about halfway to summit of Mount Ross (road from Kidd Creek to Pole Mountain); North Coast Ranges Comment
  JEPS83482  Phacelia egena R. D. Stone 1985-5-29 671 Sonoma ca 1.1 mi sw Cobb Mt. summit; upper Cobb Creek drainage 1066 Comment
  UC901846  Phacelia imbricata L. Constance, L. R. Heckard, and A. R. Kruckeberg 1950-5-12 3328 Sonoma Alexander Valley-Pine Flat rd 3 mi w Contact Mine Comment
  JEPS1083  Phacelia nemoralis subsp. nemoralis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC1051810  Phacelia nemoralis subsp. nemoralis L. R. Heckard and C. R. Bell 1951-6-12 152 Sonoma rocky roadcuts and roadsides about 2.5 mi ne Alexander Valley (along road to Pine Flat) 60 Comment
  JEPS28415  Phacelia nemoralis subsp. oregonensis L. R. Heckard 1951-6-12 H- 153 Sonoma along dirt road above Pine Flat ((road from Pine Flat to hwy 29 near Whispering Pines), about 8 airline mi ne of Geyserville) Comment
  RSA428197  Phacelia ramosissima var. montereyensis E. A. Purer 1932-7-21 16262 Sonoma Bodega Bay. Comment
  CAS-BOT-BC258847  Phalaris angusta Peter Rubtzoff 1962-6-19 4921 Sonoma Sonoma County Marshes. Occidental Marsh Comment
  CAS-BOT-BC258955  Phalaris aquatica Mary P. Wells 1984-5-31 323 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  UCR248889  Phalaris aquatica Peter Rubtzoff 1975-7-3 8149 Sonoma Kenwood Marsh 120 Comment
  RSA129151  Phalaris californica H. S. Yates 1936-5-16 5621 Sonoma Near Green Valley school. 91 Comment
  UCR244625  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh Comment
  UC1132445  Phleum alpinum H. S. Yates 1936-5-17 5626 Sonoma 1 1/2 mi e Bodega Port; Duncan Mills Quad. Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  UC353923  Phlox speciosa subsp. nitida Milo S. Baker 1928-3-24 2718 c Sonoma 5 mi w Healdsburg (Jensen Ranch) Comment
  CAS-BOT-BC135036  Phoradendron bolleanum John Thomas Howell 1933-4-2 10961 Sonoma 2 miles E of Occidental Comment
  CAS-BOT-BC135034  Phoradendron bolleanum Roxana S. Ferris 1962-4-14 13584 Sonoma on ridge ca. 1/8 mi. beyond County dump Comment
  SEINET10323396  Phoradendron bolleanum M. J. Williams, W. Roderick 1978-7-18 78- 228 -3 Sonoma Near Occidental. Comment
  SEINET4132205 Image available Phoradendron bolleanum subsp. densum R. S. Peterson 1964-5-6 64 -28 Sonoma Northeast of Occidental 213 Comment
  CAS-BOT-BC171220  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-3-31 587 Sonoma Pepperwood Ranch Comment
  UCD138381  Phyllospadix torreyi P. G. Connors 1993-6-6 317 Sonoma Bodega Head and Dunes. Horseshoe Cove. Comment
  CAS-BOT-BC140613  Physocarpus capitatus A. A. Heller 1902-6-4 5647 Sonoma Santa Rosa Comment
  CAS-BOT-BC140618  Physocarpus capitatus G. DeNevers 1981-5-2 910 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  CAS-BOT-BC140621  Physocarpus capitatus Peter Rubtzoff 1958-5-4 3627 Sonoma Forestville Marsh Comment
  JEPS76918  Physocarpus capitatus Robert M. Lloyd 1963-2-24 2060 Sonoma 0.2 mi n Bodega Bay City (on State Highway 1); n of Bodega Bay City Comment
  SD133983  Physocarpus capitatus Greg de Nevers 1987-5-11 8179 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 99 Comment
  UCD158851  Pickeringia montana James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2924 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  SEINET5500932 Image available Pickeringia montana Sally Walker 1981-5-13 Sonoma 2 mi E of Occidental Comment
  CAS-BOT-BC202284  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-9-15 289 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC202286  Pickeringia montana var. montana Severin A. Baumann 1953-7-4 14 Sonoma Along edge of road connecting Oakville and Boyes Springs, ca. 5 mi. from Boyes Springs 304 Comment
  CAS-BOT-BC78331  Pinus attenuata Peter H. Raven 1954-2-27 6430 Sonoma on north side of Hooker Creek, Hoods Peak Range 609 Comment
  CAS-BOT-BC78333  Pinus attenuata Walter Knight; Irja Knight 1964-11-15 787 Sonoma above Johnson Dam - [Hood's] Hoods Peak Comment
  POM316057  Pinus muricata Patricia Wilder 1965-6-10 3652 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  HSC12258  Pinus sabiniana Wendell Wood 1970-9-21 285 Sonoma Preston, Hwy. 101 bridge at Russian River, Bulk Collection # 8 457 Comment
  UCD133336  Pinus sabiniana Frederica Bowcutt 1994-6-25 1916 Sonoma 609 Comment
  JEPS128295  Piperia elongata Roger Raiche 2010-7-11 034 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD166127  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166131  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166175  Plagiobothrys Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  SD260916  Plagiobothrys Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA784980  Plagiobothrys bracteatus Peter Rubtzoff 1969-5-11 6040 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  RSA0083875  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. Comment
  RSA620969  Plagiobothrys bracteatus Peter Rubtzoff 1962-6-8 4889 Sonoma Bennett Mountain Lake Comment
  UC881317  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2141 b Sonoma summit Bennett Val. Road Comment
  UCD35301  Plagiobothrys greenei Beecher Crampton 1955-4-5 2413 Sonoma 2 miles southwest of Windsor. Comment
  UC577956  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma two mi s Mark West; Calistoga Quad. 152 Comment
  RSA0060110  Plagiobothrys reticulatus Greg de Nevers 1998-5-5 11229 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  RSA785155  Plagiobothrys stipitatus var. stipitatus Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UC1186483  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma w. edge Sonoma (s. of Sonoma Elementary School, housing development both sides of Hayes St.) Comment
  CAS-BOT-BC157657  Plantaginaceae Peter Rubtzoff 1969-5-24 s.n. Sonoma Vernal pool 6.5 mi. N.E. of Penngrove on Lichau Rd. Comment
  UCD124486  Plantago erecta Robert F. Thorne 1965-4-20 34342 Sonoma top of Parker Hill (north end of Parker Hill Road), ca. 3 miles north of Santa Rosa. 152 Comment
  UCD124576  Plantago lanceolata Chris Bowen 1974-4-7 s.n. Sonoma South of Whalers' Reach and west of Sea Gate Road, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC258384  Plantago subnuda Peter Rubtzoff 1955-8-6 2022 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC173804  Pleuropogon Peter Rubtzoff 1966-4-30 5686 Sonoma On north side of Highway 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  UC1751059  Pleuropogon californicus Annetta M. Carter 1934-4-29 510 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. Comment
  CAS-BOT-BC260932  Pleuropogon californicus var. californicus John Thomas Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley Comment
  UCD90135  Pleuropogon californicus var. californicus Beecher Crampton 1956-3-12 3220 Sonoma Alexander Valley Store. Comment
  UCD90189  Pleuropogon californicus var. californicus R. Tofsrud 1947-4-6 s.n. Sonoma Santa Rosa, off Hoen Avenue. Larry King's place. Comment
  UC1258194  Pleuropogon hooverianus Paul But 1975-4-1 P 25 Sonoma 0.5 mi from Freestone (along Bohemian Hwy at Freeston Flat Road) Comment
  UC1446221  Pleuropogon hooverianus Paul But with Peter Rubtzoff 1974-4-6 P 3 Sonoma 0.5 mi from Freestone (along Bohemian Hwy at Freestone Flat Road) Comment
  UCR275262  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  UCD92205  Poa Collector Unknown 1941-4-1 381 Sonoma field east of old S. R. Cemetary. Comment
  UCD90338  Poa annua Beecher Crampton 1955-3-15 2325 Sonoma Sonoma County, town of Asti. Comment
  UCD90689  Poa bulbosa David L. Morgan 1961-3-23 s.n. Sonoma Cotati. Comment
  CAS-BOT-BC255058  Poa compressa Peter H. Raven 1950-4-23 1884 Sonoma Sobre Vista 152 Comment
  SD88567  Poa douglasii Darley F. Howe 1972-5-3 Sonoma Ocean bluff 16.4 miles north of Fort Ross Comment
  RSA227234  Poa pratensis Peter Rubtzoff 1960-6-8 4465 Sonoma Fife Creek Marsh. Comment
  SEINET11688534  Poa secunda C. F. Quibell 1980-1 1427 Sonoma Geysers Geothermal area, floristic survey for P.G & E (Vic. unit 18) Comment
  CAS-BOT-BC243246  Poa secunda subsp. secunda John Thomas Howell; et al. 1981-5-14 53950 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC243244  Poa secunda subsp. secunda C. F. Quibell 1980-3-22 1427 Sonoma Geysers Geothermal Area. Open meadow to SE of site knoll Comment
  UCD36686  Poa trivialis Beecher Crampton 1955-6-17 2939 Sonoma Sonoma County, 0.5 mile south of Guerneville. Comment
  CAS-BOT-BC244265  Poa unilateralis John Thomas Howell 1931-4-18 6429 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC320591  Poaceae Peter Rubtzoff 1970-9-2 6366 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC361406  Poaceae Greg de Nevers 1993-8-21 10491 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Along Franz Creek 457 Comment
  CDA40767  Pogogyne douglasii subsp. minor Peter Rubtzoff 1971-7-9 6600 Sonoma 4.25 miles west of Glen Ellen. 0 Comment
  CDA40768  Pogogyne douglasii subsp. minor Peter Rubtzoff 1971-5-3 6487 Sonoma 4.25 miles west of Glen Ellen. 0 Comment
  JEPS86354  Pogogyne douglasii subsp. parviflora Jack and Betty Guggolz 1988-5-10 930 Sonoma Grill Property, on east side of Old Redwood Hwy, just north of its intersection with Starr Road Comment
  RSA244745  Pogogyne douglasii subsp. parviflora Peter Rubtzoff 1971-6-23 6549 Sonoma 4.25 miles west of Glen Ellen Comment
  JEPS43007  Polygala californica W. L. Jepson 1923-6-28 10011 Sonoma Sonoma Canyon Kenwood 243 Comment
  JEPS46103  Polygala californica Eleanor Armstrong 1932-5-18 474 Sonoma Camp Meeker 121 Comment
  UC450151  Polygala californica Milo S. Baker 1898-6-11 657 Sonoma Little Sulphur Creek Comment
  UCD109702  Polygala californica E. Frost 1996-5-26 20 Sonoma Mt. St. Helena, 150 yards in along hiking trail. 609 Comment
  POM316694  Polygala californica Patricia Wilder 1965-6-10 3640 Sonoma About one mile from junction of Fort Ross Road and Seaview Road, on Seaview Road. North Coast mountain range, Pacific drainage area 549 Comment
  CAS-BOT-BC290616  Polygonum Peter Rubtzoff 1986-9-28 9751 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164392  Polygonum Peter Rubtzoff 1970-5-30 6248 Sonoma 5 mi. north of Sears Point Comment
  UC6718  Polygonum amphibium var. emersum Alice King June 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC414282  Polygonum aviculare subsp. depressum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53939 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  RSA0072156  Polygonum convolvulus Greg de Nevers 1992-8-1 10239 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 500 Comment
  UC71482  Polypodium J. Burtt Davy 1894-12-9 854 Sonoma Kenwood Comment
  CAS-BOT-BC72012  Polypodium californicum J. W. Congdon s.n. Sonoma Santa Rosa Comment
  SEINET3873633  Polypodium calirhiza Kaye H. Thorne 1984-11-22 3665 Sonoma Sea Ranch, Black Point near Lodge.; 0 Comment
  UCSB8310  Polypodium scouleri Kamb, Peter 1950-6-17 Sonoma Larkspur Rock: south side of Chenev Gulch 2.9 miles west of fork in road to Bodega and Valley Ford 30 Comment
  CAS-BOT-BC232939  Polypogon Peter Rubtzoff 1986-9-28 9743 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC312687  Polypogon Peter Rubtzoff 1986-7-13 9724 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC232999  Polypogon australis Peter Rubtzoff 1959-6-6 4094 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC233186  Polypogon interruptus Greg de Nevers 1992-6-26 10211 Sonoma Along Franz Creek. Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 91 Comment
  HSC10828  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma 3 mi. N of Santa Rosa along Hwy. 101, near pond in hills behind Fountaingrove Vineyard Comment
  SEINET197659 Image available Polypogon interruptus L. Koch 1940-6-5 1012 Sonoma Hills behind Fountaingrove Vinyard 3 mi N of Santa Rosa along Hwy 101 Comment
  UC50649  Polypogon interruptus A. B. Leckenby 1896-6-9 Sonoma Petaluma Comment
  SEINET10860395  Polypogon interruptus George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3073 Sonoma In soil chinks on sea side rocks. 5 m S of Stewart's Point. Comment
  CAS-BOT-BC237398  Polypogon monspeliensis Greg de Nevers 1981-5-12 1142 Sonoma Pepperwood Ranch. At the Red Corral, Old McCann Homestead Comment
  CAS-BOT-BC237405  Polypogon monspeliensis Peter Rubtzoff 1960-10-29 4574 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC237407  Polypogon monspeliensis Peter Rubtzoff 1955-7-31 2013 A Sonoma Forestville Marsh Comment
  CAS-BOT-BC237415  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Road to Bodega Point Comment
  UC50643  Polypogon monspeliensis Jos. Burtt Davy 1896-7-21 Sonoma Russian River below Guerneville; Russian River Comment
  UC65192  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Sonoma Comment
  CAS-BOT-BC72165  Polystichum californicum G. DeNevers 1982-2-9 1886 Sonoma beneath big power lines W of Garrison house, due W of Fir Forest Comment
  UC2031960  Polystichum californicum Wendy Born July 2012 Sonoma Armstrong Redwoods State Park, area by maintenance office Comment
  UC42098  Polystichum californicum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  SEINET11718544  Polystichum californicum W. Knight, Knight, I.; Edwards, S. W. 1986-1 5509 Sonoma 2.75 mi from end of Mill Creek Road Comment
  UC1481826  Polystichum imbricans subsp. imbricans Milo S. Baker 1898-6-11 656 Sonoma Little Sulphur Creek Comment
  UC62824  Polystichum munitum J. Burtt Davy 1896-3-15 1675 Sonoma Fort Ross Comment
  CAS-BOT-BC257354  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA234554  Populus Peter Rubtzoff 1960-5-15 4335 Sonoma Fife Creek Marsh. Comment
  RSA800657  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CDA812  Potamogeton foliosus M. S. Bergseng 1959-1-14 1694 Sonoma Annadel Farms, farm reservoir, Santa Rosa. 0 Comment
  RSA800842  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma SPring Creek Reservoir area, east of Santa Rosa Comment
  CDA836  Potamogeton nodosus P. F. Wright 1964-8-17 Sonoma Sherman Finch, Santa Rosa Soil Conservation, Santa Rosa. 0 Comment
  CAS-BOT-BC454025  Potamogeton pectinatus Peter Rubtzoff 1971-9-30 6712 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC516398  Prosartes hookeri Volney Rattan 1877-6-25 s.n. Sonoma Near Cloverdale Comment
  UCD14312  Prosartes hookeri Jim Mosby 1984-4-15 3 Sonoma Salt Point, near Fort Ross. 15 Comment
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1
  SBBG12370  Prunella vulgaris A. I. Richardson 1961-6-17 23 Sonoma near Timber Cove, N of Ft Ross Comment
  RSA120750  Prunella vulgaris var. lanceolata S. S. Tillett 1956-6-20 568 Sonoma on hillside overlooking Drake Memorial, Drakes Bay, Point Reyes Peninsula Comment
  POM139677  Prunus A. A. Heller 1902-3-21 5120 Sonoma Hills southeast of Santa Rosa Comment
  CAS-BOT-BC159826  Prunus angustifolia Peter Rubtzoff 1952-5-31 1107 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  UC699661  Prunus serotina T. E. Rawlins September, 1942 Sonoma Fort Ross Comment
  RSA0057957  Prunus virginiana var. demissa Greg de Nevers 1998-4-27 11206 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  UCD135197  Pseudognaphalium beneolens M. Barbour 1970-11-30 s.n. Sonoma Bodega Head. Comment
  CAS-BOT-BC356500  Pseudognaphalium beneolens Walter Knight; Irja Knight 1985-9-23 5179 Sonoma Lower Tubbs Island. 1/4 mile from San Pablo Bay 0 Comment
  CAS-BOT-BC356921  Pseudognaphalium californicum Peter Rubtzoff 1952-6-11 1248 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  JEPS128240  Pseudognaphalium luteoalbum Roger Raiche 2000-5-4 079 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC361618  Pseudognaphalium stramineum Peter Rubtzoff 1951-9-2 722 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC361613  Pseudognaphalium stramineum Mary P. Wells 1983-8-4 s.n. Sonoma Highway #1 west of road from Valley Ford to Bodega Comment
  CAS-BOT-BC361621  Pseudognaphalium stramineum John H. Thomas 1976-6-17 18348 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Comment
  POM21757  Pseudotsuga menziesii A. A. Heller, H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  UCD166080  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UCD148450  Psilocarphus Peter Rubtzoff 1963-6-6 5168 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UCD167966  Psilocarphus James Neilson 1977-6-12 3921 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  UCD84284  Psilocarphus brevissimus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC72689  Pteridium aquilinum Peter Rubtzoff 1951-8-18 613 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  UC125360  Pterostegia drymarioides Katharine Brandegee June 1905 Sonoma Bodega Comment
  CAS-BOT-BC366943  Pyracantha crenulata Greg de Nevers 1993-7-10 10474 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa in creek W of Finnel cabin 400 Comment
  CAS-BOT-BC466155  Pyrola picta Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  UCD148523  Quercus X chasei G. F. Hrusa 1994-10-25 11915 Sonoma Austin Creek State Recreation Area. Gilliam Creek, immediately below Bullfrog Pond Camp. 160 Comment
  CAS-BOT-BC94705  Quercus X howellii G. De Nevers 1981-9-5 1824 Sonoma Pepperwood Ranch. In the Garrison Yard, between the Blue Damson Plum and the Oregon Oak Comment
  CHSC78080  Quercus agrifolia David Cherrtham 1998-6-26 34 Sonoma I street extension, Petaluma. 42 Comment
  HSC12620  Quercus agrifolia Wendell Wood 1970-9-21 286 Sonoma Preston, Hwy. 101 bridge at Russian River 457 Comment
  UC1173733  Quercus agrifolia Joseph P. Tracy 1939-10-14 16513 Sonoma 4 mi SE of Geyserville (Alexander Valley, foothills) 121 Comment
  UC405367  Quercus agrifolia W. P. Taylor 1913-6-11 Sonoma Freestone Comment
  UCD45024  Quercus agrifolia Joseph P. Tracy 1939-10-14 16513 Sonoma Alexander Valley. Foothills 4 miles S.E. of Geyserville. Abundant tree. 121 Comment
  CDA21841  Quercus berberidifolia D. G. Kelch 2007-5-13 7 .293 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CDA23773  Quercus berberidifolia D. G. Kelch 2006-10-4 6 .499 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  CAS-BOT-BC86005  Quercus douglasii Peter H. Raven 1955-8-27 8756 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  CAS-BOT-BC94151  Quercus durata G. De Nevers 1981-9-12 1936 Sonoma Pepperwood Ranch, on hill top N of Bechtel Cabin Comment
  CAS-BOT-BC94153  Quercus durata D. E. Breedlove 1962-6-6 2904 Sonoma on State Highway 128, 4.0 miles NW of U.S. Highway 101 at Cloverdale 289 Comment
  SD113991  Quercus durata Darley F. Howe 1972-4-28 4813 Sonoma Mt Hood Range, Trinity Road 395 Comment
  SD88422  Quercus durata Darley F. Howe 1972-4-28 Sonoma Mt Hood Range, Trinity Road 395 Comment
  UC1193257  Quercus durata R. H. Neuns 1950-5-3 98 Sonoma 6 mi e Geyserville 441 Comment
  SEINET12030394  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  UCSB34091  Quercus durata var. durata Nixon, Kevin 1978-12-27 Sonoma 3.3 mi north of Cloverdale on hwy 128 274 Comment
  RSA0089560  Quercus garryana Ann Howald 2015-4-1 3329 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 318 Comment
  UC424818  Quercus garryana Milo S. Baker 1927-11-5 2503 b Sonoma 2-3 mi w Skagg's Springs Hwy. Comment
  UCD55066  Quercus garryana Ellen Dean; Tammie Beyerl 2006-4-28 3010 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  CAS-BOT-BC105478  Quercus kelloggii Walter Knight; Irja Knight 1964-11-15 780 Sonoma near new Johnson residence on Hood's Peak Comment
  CAS-BOT-BC105480  Quercus kelloggii Dorothy Scherer 1996-10-14 73 Sonoma N side of Fort Ross Rd. ca. 1/2 mi. W of Seaview Rd. Fort Ross State Historic Park 451 Comment
  POM166601  Quercus kelloggii A. A. Heller, H. E. Brown 1902-3-17 5085 Sonoma Hills 8 miles northeast of Santa Rosa Comment
  UC338622  Quercus kelloggii unknown Mar 1888 Sonoma near Healdsburg (Warner's ranch) Comment
  UCD46723  Quercus kelloggii G. F. Hrusa; R. Gross 1996-3-8 12651 Sonoma At NE edge of Douglas-Fir forest near intersection of Ida Clayton Rd. and Hwy 128. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. 150 Comment
  UC1042517  Quercus lobata Peter Rubtzoff 1951-11-24 836 Sonoma near Forestville (s of the Upper Marsh); Pitkin Marsh Comment
  SEINET12030240  Quercus lobata W. Knight, Knight, I. 1984-1 5159 Sonoma Joosb Ranch,Calistoga Road Comment
  UC1135886  Quercus wislizeni var. frutescens R. W. Lundh 1932-7-21 125 Sonoma Hooker Canyon Napa Quad. 548 Comment
  UCD47610  Quercus wislizeni var. frutescens Frederica Bowcutt 1994-6-25 1921 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. Confirmed by K. Mawdoley 21 Oct 1996. 670 Comment
  CDA10852  Quercus wislizeni var. wislizeni G. F. Hrusa, G. L. Stebbins 1994-4-8 11728 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  UCR255890  Ranunculus aquatilis Greg de Nevers 1990-3-26 9655 A Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD150138  Ranunculus californicus 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
  UCD95942  Ranunculus californicus Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-24 61 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR242110  Ranunculus californicus Caitlin Lewis, William Mutch 1993-4-17 006 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco, 11 air mi east of Santa Rosa, and 2.5 mi NE of Kenwood. Adobe Canyon N of Sugarloaf Ridge and south of Red Mountain, near visitor center 366 Comment
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Oct 18 2018
  HSC82071  Ranunculus muricatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5123 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  RSA534585  Ranunculus muricatus Peter Rubtzoff 1969-5-11 6033 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UC486512  Ranunculus muricatus H. E. and S. T. Parks 1930-5-9 617 Sonoma Alexander Valley; on creek entering valley Comment
  UCD96257  Ranunculus muricatus Robert F. Thorne 1965-4-19 34273 Sonoma on Titus Ranch, Valley Ford. 18 Comment
  RSA268383  Ranunculus occidentalis var. eisenii Lyman Benson 1935-3-31 6405 Sonoma Hwy 101, N Coast, Russian River. 244 Comment
  UCD150136  Ranunculus orthorhynchus var. bloomeri 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
  UC480962  Ranunculus pusillus Katharine Brandegee Sonoma Sebastopol Comment
  UCR242982  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  POM269796  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma edge of vernal pool, near Wright School on Hwy betw Santa Rosa and Sepastopol Comment
  UC118347  Ranunculus pusillus Katharine Brandegee 1905-6-8 Sonoma bet. Santa Rosa and Sebastopol (along the electric line) Comment
  SEINET12095408  Ranunculus uncinatus C. F. Quibell 1976-1 1367 Sonoma Marshall - Petaluma Road Comment
  SEINET11992994  Reseda luteola W. Knight, Knight, I.; Knight, T. 1985-1 5142 Sonoma Willow Creek Road, ca 3 mi from Coleman Valley Road Comment
  CAS-BOT-BC55942  Rhamnus crocea Walter Knight; Irja Knight 1964-1-17 513 Sonoma Upper Hooker Canyon, Cavedale Rd. Comment
  UC1299570  Rhododendron occidentale Freed W. Hoffman 1946-9-26 569 Sonoma Layton Mine, Austin Creek Austin Creek; North Coast Ranges, Layton Mine, Austin Creek Comment
  UCD117916  Rhododendron occidentale Chris Bowen 1974-5-18 113 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SBBG35387  Rhododendron occidentale N. F. Sommer 1954-5-15 84 Sonoma State Hwy 12, 3.6 mi W of Sebastopol 30 Comment
  CAS-BOT-BC200343  Rhododendron occidentale var. occidentale Peter Rubtzoff 1970-6-6 6254 Sonoma Bloomfield Road. 4 1/4 mi. northeast of Bloomfield Comment
  CAS-BOT-BC200348  Rhododendron occidentale var. occidentale Peter Rubtzoff 1959-6-7 4106 Sonoma Bank of Russian River betw. East Guernewood and Vacation Beach, near Guerneville Comment
  CHSC114305  Rhododendron occidentale var. occidentale G. F. Hrusa 1989-5-8 7006 Sonoma North Coast Ranges. Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CDA16156  Rhododendron occidentale var. occidentale R. Gross 1999-7-7 s.n. 2 Sonoma North Coast Ranges; NW side of Mt. St. Helena, below Ida Clayton Rd. 0 Comment
  RSA94351  Rhododendron occidentale var. paludosum Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh; in a thicket Comment
  CAS-BOT-BC111865  Rhynchospora alba Herbert L. Mason 1946-7-4 12880 Sonoma Pitkin Marsh; between Santa Rosa and Forestville. Comment
  CAS-BOT-BC111874  Rhynchospora alba John Thomas Howell; Milo S. Baker; Hans Leschke 1945-7-18 21325 Sonoma Pitkin Marsh Comment
  UC963897  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111900  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111930  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC433107  Ribes Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  UC75444  Ribes californicum Milo S. Baker 1898-4-4 19 Sonoma Sea View Comment
  CAS-BOT-BC93057  Ribes californicum var. californicum Walter Knight; Irja Knight 1964-3-9 562 Sonoma San Antonio Creek near bridge to Henry Corda Ranch. Comment
  CAS-BOT-BC168992  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1951-6-16 211 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  SEINET12216688  Ribes menziesii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -157 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  CAS-BOT-BC198925  Ribes roezlii var. cruentum Amy Heggie 1943-3-7 s.n. Sonoma Near Agua Caliente. Comment
  UCD102490  Ribes sanguineum Michael A. Vincent; Ethan H. Freid 1998-4-8 8174 Sonoma Bodega Bay, 0.5 mile northeast of city limits along Rt. 1. Comment
  UC75445  Ribes sanguineum var. glutinosum Milo S. Baker 1899-6-26 Sonoma near Russian River (Coast Road) Comment
  CAS-BOT-BC74710  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74711  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 A Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74713  Rorippa curvisiliqua Peter Rubtzoff 1974-4-17 7366 Sonoma Upper Green Valley Marsh area. Comment
  UC398792  Rorippa curvisiliqua Katharine Brandegee Sonoma Duncan's Mills Comment
  CAS-BOT-BC74719  Rorippa curvisiliqua Volney Rattan 1877-6-21 s.n. Sonoma Santa Rosa. 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
  UCD165110  Rosa Peter Rubtzoff 1973-9-9 7314 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC152663  Rosa californica Peter Rubtzoff 1958-7-5 3730 Sonoma Atascadero Creek marsh Comment
  CAS-BOT-BC152668  Rosa californica D. E. Breedlove 1980-6-27 44767 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA107409  Rosa eglanteria L. S. Rose 1955-10-24 55188 Sonoma Two Rock 30 Comment
  CAS-BOT-BC146777  Rosa gymnocarpa Dorothy Scherer 1997-5-6 107 B Sonoma Ca. 70' north of Fort Ross Rd, and .6 mi. west of Seaview Rd, Fort Ross State Historic Park 365 Comment
  POM187580  Rosa gymnocarpa Marcus E. Jones 1931-7-5 29009 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC146775  Rosa gymnocarpa G. DeNevers 1982-5-18 2034 Sonoma Near Redwoods end at the Redwoods Comment
  UC191247  Rosa spithamea Edw. L. Greene 1888-9-1 Sonoma Comment
  CAS-BOT-BC146921  Rosa spithamea Milo S. Baker 1947-5-7 11755 Sonoma Hood Mt. E. of residence of Macartney Ranch, Summit of Rose Butte 228 Comment
  UCD113763  Rubus armeniacus Mary M. Hektner 1975-8-14 221 Sonoma on fence along State Highway 1, just north of Galleons Reach, Sea Ranch. Comment
  CAS-BOT-BC147993  Rubus leucodermis Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  UCD113832  Rubus parviflorus Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1766 a Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco; approximately 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail. Approximately 200 yards from the trail head on Adobe Canyon Road and just E of Bear Creek, about 5 yards N of confluence with Sonoma Creek. 198 Comment
  UCR265116  Rubus parviflorus Ann Howald 2015-4-1 3312 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  UC73079  Rubus spectabilis Milo S. Baker 1899-6-26 Sonoma Russian River , at its mouth (at its mouth) Comment
  CAS-BOT-BC157175  Rubus ursinus Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC157177  Rubus ursinus A. A. Heller 1902-6-26 5774 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  RSA800079  Rubus ursinus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh. Comment
  UCR280129  Rumex Peter Rubtzoff 1964-7-29 5444 Sonoma Central Coast, Brooks Gulch Marsh 15 Comment
  UC1042523  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma near Forestville (e branch of Upper Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC422231  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCD101040  Rumex acetosella P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC421582  Rumex crassus Peter H. Raven; R. Snow 1958-7-23 13687 Sonoma 2.6 miles north of Jenner Comment
  UCR244736  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa east of Graton 23 Comment
  RSA783834  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166929  Rumex obtusifolius Peter Rubtzoff 1959-6-20 4167 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC433739  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  UCR256124  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UCR244738  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road) 30 Comment
  UCD81428  Rumex pulcher M. Wiesendanger 1927-5-5 s.n. Sonoma Sonoma. Comment
  CAS-BOT-BC433868  Rumex salicifolius John Thomas Howell 1957-10-12 32997 Sonoma About 1 mi. sw. of Sonoma Comment
  RSA698488  Rumex salicifolius var. montigenitus J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC434143  Rumex transitorius Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy 1 Comment
  UCSB15940  Rupertia physodes Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  SEINET12164394  Rupertia physodes F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -080 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD108456  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  RSA216138  Ruppia maritima Peter Rubtzoff 1962-8-3 5033 Sonoma Lower Salmon Creek Marsh. In rather deep water of Salmon Creek. Comment
  CAS-BOT-BC249307  Sagina Peter Rubtzoff 1959-4-18 4026 Sonoma Laguna de Santa Rosa, northeast of Graton, ca. 0.5 miles north of Guerneville Road crossing. Comment
  RSA800610  Sagina Peter Rubtzoff 1964-6-24 5370 Sonoma Lower Salmon Creek Marsh. Comment
  UCD98454  Sagina procumbens J. Buell Laing 1928-10-1 s.n. Sonoma Santa Rosa Country Club. Comment
  CAS-BOT-BC445779  Sagittaria latifolia Peter Rubtzoff 1958-7-26 3814 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UC935766  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-6-29 920 Sonoma on road to Sebastopol the Laguna marshy area w Santa Rosa; Laguna marshy area Comment
  CHSC20711  Salicornia virginica Robert A. Schlising; G. Keator 1963-7-27 2628 Sonoma California Coast Range. Salt marsh near entrance to Bodega Head, east side of Bodega Peninsula. Comment
  CAS-BOT-BC290694  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh. Comment
  RSA0015573  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. At south margin of the area. Comment
  RSA0018589  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  CAS-BOT-BC126265  Salix X sepulcralis W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road, six miles from Petaluma Comment
  CAS-BOT-BC126267  Salix X sepulcralis Peter Rubtzoff 1952-3-23 905 Sonoma Southern half of Lower Marsh Comment
  UC517938  Salix X sepulcralis W. A. Setchell 1934-3-17 Sonoma Valley Ford Rd. 6 mi. from Petaluma Comment
  UC517942  Salix X sepulcralis W. A. Setchell 1934-3-17 Sonoma Valley Ford Rd. 6 mi. from Petaluma Comment
  RSA534567  Salix bonplandiana Peter Rubtzoff 1953-5-16 1359 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  JEPS128331  Salix breweri Roger Raiche 2000-3-26 010 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. 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
  CAS-BOT-BC103941  Salix exigua H. K. Wagnon 1988-8-8 1798 Sonoma Confluence of Maacama Crk. and Russian River Comment
  UC1196603  Salix exigua var. hindsiana Joseph P. Tracy 1935-8-18 14742 Sonoma along creek w of Knight's Valley; Northern Coast Ranges 152 Comment
  POM220468  Salix laevigata Carleton R. Ball, Harold E. Parks 1931-2-17 22 Sonoma Santa Rosa Creek, 1 mile S of Santa Rosa. Comment
  SEINET10393028  Salix laevigata A. A. Heller 1902-4-18 5329 Sonoma On Russian River, near Windsor. Comment
  UC453091  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 11 Sonoma Bohemian Grove near Monte Rio; Russian R. 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-BC128066  Salix lasiandra var. lasiandra Alice Eastwood 1915-6-30 4899 Sonoma Bodega Comment
  CAS-BOT-BC128098  Salix lasiandra var. lasiandra A. A. Heller 1902-3-28 5174 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC107094  Salix lasiolepis Peter Rubtzoff; T. J. Crovello 1964-9-3 5497 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC107096  Salix lasiolepis Peter Rubtzoff 1952-3-23 894 Sonoma south of the Upper Marsh Comment
  UC453092  Salix lasiolepis W. A. Setchell 1931-7-25 12 Sonoma Bohemian Grove Russian River (lower bank of river, near Monte Rio) Comment
  UC453100  Salix lasiolepis W. A. Setchell 1931-7-31 18 Sonoma Bodega Bay; bottom of small canyon Comment
  UC453104  Salix lasiolepis W. A. Setchell 1931-7-31 20 Sonoma Bodega Bay Comment
  UC453113  Salix lasiolepis W. A. Setchell 1931-8-1 27 Sonoma Jenner-by-the-Sea Comment
  UC517941  Salix lasiolepis W. A. Setchell 1934-3-17 Sonoma Monte Rio; left hand side of road entering Bohemian Grove 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-BC128313  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma A marshy opening south of the Upper Marsh - Pitkin Marsh near Forestville Comment
  CAS-BOT-BC128318  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 1 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC128321  Salix lasiolepis var. lasiolepis A. A. Heller 1902-8-23 5096 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  RSA534485  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1987-9-12 9849 Sonoma Russian River at Forest Hills. 5.5 miles E of Guerneville. Comment
  LA208882  Salix melanopsis W. A. Setchell; 1931-8-1 sn Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  RSA534563  Salix melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park. Comment
  SBBG29046  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  SJSU178  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian R, Bohemian Grove near Monte Rio Comment
  UC490560  Salix melanopsis Joseph P. Tracy 1932-5-8 9897 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  CAS-BOT-BC126184  Salix scouleriana W. A. Setchell 1933-7-9 3 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC126186  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 342 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  CAS-BOT-BC128901  Salix sitchensis W. A. Setchell 1934-7-10 7 Sonoma Kru's Ranch, Coast Highway above Fort Ross Comment
  CAS-BOT-BC128911  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  CAS-BOT-BC128945  Salix sitchensis Peter Rubtzoff 1970-8-25 6344 Sonoma Austin Creek margin 1/2 mile north of Cazadero Comment
  CAS-BOT-BC128947  Salix sitchensis Peter Rubtzoff 1969-8-31 6181 Sonoma Russian river margin at Forest Hills, 5.5 miles east of Guerneville Comment
  JEPS86742  Salix sitchensis Jack and Betty Guggolz 1990-6-22 1076 Sonoma ca. 12 km. e Healdsburg (next to Redwood Creek just above its confluence with Maacamas Creek); Ferrari-Carano Ranch 73 Comment
  POM362960  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SD985  Salix sitchensis Baker, Ball, Bracelin, Crum 1931-5-9 344 Sonoma About 2 km east of Bodega Bay, creek bed Comment
  UC524785  Salix sitchensis W. A. Setchell 1934-7-10 4 Sonoma Coast Hwy. above Fort Ross (Kru's Ranch) Comment
  UC66174  Salix sitchensis A. A. Heller 1902-3 5044 Sonoma foot of Mt. Hood (Sonoma Creek); , Sonoma Creek Comment
  UCD111903  Salix sitchensis Theodore J. Crovello 1965-9-14 721 Sonoma Along Mayacama Creek, 75-100 yards west of junction of creek with bridge of California Highway 128. Comment
  UCSC000171  Salix sitchensis H. S. Yates 1934-4-21 3778 Sonoma near Bodega - Sebastopol 61 Comment
  RSA0034653  Salix sitchensis C. F. Baker, Carleton R. Ball, H. P. Bracelin, Ethel Katherine Crum 1931-5-9 344 Sonoma About 2 km east of Bodega Bay. Comment
  SBBG28794  Salix sitchensis M. S. Baker 1941-10-10 10179 Sonoma Mark West Crk, Spring Mtn Rd, ca. 1 mi E of Alpine School House Comment
  CAS-BOT-BC176848  Salsola australis Mary P. Wells 1992-11-16 1075 Sonoma Sixth Street where Adams Street ends, Santa Rosa Comment
  POM63368  Salvia columbariae A. A. Heller, H. E. Brown 1902-4-4 s.n. Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC225217  Salvia sonomensis Walter Knight; Irja Knight 1963-8-23 195 Sonoma Joost Ranch, Calistoga Rd. Comment
  JEPS97554  Salvia sonomensis R. D. Stone 1985-3-8 652 Sonoma Near ridgetop W of Stuart Canyon Mt. Veeder (approx. 2.5 airmiles W of) Comment
  CAS-BOT-BC225215  Salvia sonomensis Wayne Roderick 1967-4-28 s.n. Sonoma Cavedale Road n. of Sonoma 457 Comment
  SEINET12330321  Salvia sonomensis W. Knight, Edwards, S. 1985-1 5187 Sonoma Ridge NW of summit of Kortum Canyon Road Comment
  CAS-BOT-BC245883  Sambucus nigra subsp. caerulea Walter Knight; Irja Knight 1963-9-1 145 Sonoma Pine Mt. Rd., NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC245888  Sambucus nigra subsp. caerulea Peter Rubtzoff 1962-6-22 4957 Sonoma Fife Creek Marsh, Ffie Creek Comment
  UCD158730  Sambucus nigra subsp. caerulea Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  JEPS76926  Sanicula arctopoides Robert M. Lloyd 1963-2-24 2052 Sonoma on State Highway 1, 4 mi s State Highway 12 15 Comment
  CDA36949  Sanicula bipinnatifida CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCR179376  Sanicula crassicaulis Caitlin Lewis, William Mutch 1993-4-17 s.n. Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco, 11 air mi east of Santa Rosa, and 2.5 mi NE of Kenwood. Adobe Canyon N of Sugarloaf Ridge and south of Red Mountain, near visitor center, along Sonoma Creek 366 Comment
  UC1022552  Sanicula laciniata C. Ritchie Bell 1951-2-19 3 -103 Sonoma e of Glen Ellen (by California Highway 12) Comment
  CDA10851  Sanicula tuberosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11727 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  RSA799991  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 mi east of Guerneville. Comment
  SD56670  Satureja douglasii D. F. Howe 1963-7-3 3589 Sonoma 20 mi. N of jnct. with #12 on #1 Comment
  CAS-BOT-BC441177  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  RSA41967  Saxifraga mertensiana Ella Dales Cantelow 1936-4-5 1216 Sonoma Grade W of Cazadero. 154 Comment
  SD254704  Saxifraga mertensiana Ann Howald 2015-4-1 3331 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 294 Comment
  UC796641  Scandix pecten-veneris Ira L. Wiggins 1949-4-30 12059 Sonoma 6.8 mi e of Santa Rosa (on road to Calistoga) Comment
  RSA52688  Scandix pecten-veneris I. L. Wiggins 1949-4-30 12059 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  CAS-BOT-BC283145  Schedonorus arundinaceus Mary P. Wells 1984-5-7 259 Sonoma By guest parking lot, Friends House, Rincon Valley, Santa Rosa 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-BC111429  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1963-8-17 s.n. Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC111533  Schoenoplectus americanus Peter Rubtzoff 1970-5-16 6216 Sonoma Eldridge. In and at the edge aof shallow water of streamlet 0.7 mi NE of Arnold drive. Comment
  RSA534612  Schoenoplectus pungens Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  RSA595079  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest hills, 5.5 miles east of Guerneville Comment
  UCR255465  Scirpus koilolepis Ann Howald 2014-5-2 3001 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  CAS-BOT-BC111103  Scirpus microcarpus A. A. Heller 1902-6-24 5746 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC111108  Scirpus microcarpus Peter Rubtzoff 1954-8-10 1673 Sonoma Bodega Head Marsh. 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
  CAS-BOT-BC111113  Scirpus microcarpus Peter Rubtzoff 1958-6-1 3692 Sonoma Laguna de Santa Rosa east of Cummingham (nr. Llamo Road). Comment
  RSA73958  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma East side Highway 12, ca. 1/4 mile North of Caliente. Comment
  CAS-BOT-BC320499  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC320528  Scrophularia californica Peter Rubtzoff 1960-5-22 4412 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC320545  Scrophularia californica Peter Rubtzoff 1955-8-20 2069 Sonoma Bodega Harbor Marsh. Comment
  JEPS128174  Scrophularia californica Roger Raiche 2001-5-29 041 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC444983  Scrophularia californica Milo S. Baker May 1899 Sonoma Stewart's Canyon Comment
  UCR249343  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  RSA0022396  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) Comment
  SEINET12273598  Scutellaria angustifolia Unknown 1936-1 13107 Sonoma Near Healdsburg Comment
  POM188175  Scutellaria californica Marcus E. Jones 1931-7-5 28823 Sonoma West of Cloverdale. Comment
  UCD151102  Sedum spathulifolium James A. Neilson Jr. 1973-6-3 2946 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
  RSA0074773  Sedum spathulifolium J. T. Howell 1930-6-8 5262 Sonoma 1 mile east of Bodega Bay. Comment
  UCD135987  Selaginella wallacei Frederica Bowcutt 1994-6-24 1897 a Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon, Vista Trail about 1/2 way between Bald Mtn. Trail and Headwater Trail. 566 Comment
  UCD167414  Senecio James Neilson 1978-5-3 3962 Sonoma Mayacmas Mountains, near Little Sulphur Creek in Pine Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR279645  Senecio glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh 6 Comment
  UC1612986  Senecio minimus M. Rockwood and L. Esposito 1994-7-27 612 Sonoma 1.5 mi nw Bodega; Rancho Bodega 42 Comment
  UCD159442  Senecio vulgaris D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 199 Sonoma Near Sonoma state beach hiking trail. Abundant. 39 Comment
  CAS-BOT-BC364678  Senecio vulgaris A. A. Heller; H. E. Brown 1902-3-16 5072 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC364680  Senecio vulgaris Walter Knight; Irja Knight 1963-10-14 414 Sonoma Blomquist Ranch, Penngrove Comment
  SEINET3876427  Sequoia sempervirens Ralph R. Wilson 1939-7-25 438 Sonoma Ft. Ross. 1/2 mile from ocean.; 0 Comment
  YM-YOSE15452  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 miles South of Santa Rosa in Bennet Valley Comment
  CAS-BOT-BC243603  Setaria parviflora Catherine Best 1983-10-12 907 Sonoma At the edge of Janine Road near Bodega Avenue west of Sebastopol. Comment
  SEINET10827242  Setaria parviflora P. Rubtzoff 1971-9-2 Rubtzoff 6685 Sonoma Todd Road near Stony Point Road. Dry roadside ditch, in the open. Comment
  CAS-BOT-BC240155  Setaria pumila John Thomas Howell 1957-9-26 32976 Sonoma Sandy Russian River bottom near Guerneville Comment
  CAS-BOT-BC540823  Sidalcea Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC540831  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma East side of Highway 12, ca. 0.75 mi. south of Kenwood (0.9 miles south of Warm Springs Road junction). Comment
  CAS-BOT-BC187889  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-19 640 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  POM210232  Sidalcea diploscypha H. E. Parks, S. T. Parks 1930-05 625 Sonoma Head of Alexander Valley Comment
  SEINET11971663  Sidalcea hartwegii L. S. Rose 1940-1 40372 Sonoma Sonoma 30 Comment
  UCD116755  Sidalcea malachroides P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  RSA245528  Sidalcea malviflora Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1103 Sonoma Fort Ross State Park. Comment
  CAS-BOT-BC213167  Sidalcea oregana subsp. valida Milo S. Baker 1932-8-15 6013 Sonoma Marshy road ditch just W. of Kenwood. Comment
  CAS-BOT-BC213171  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 196368 Sonoma Kenwood Marsh about 1/4 mile west of Kenwood. Comment
  JEPS97939  Sidalcea oregana subsp. valida Jack and Betty Guggolz 1998-8-13 1581 Sonoma Knights Valley, W end; Bavarian Lion Ranch 122 Comment
  JEPS97951  Sidalcea oregana subsp. valida K. Andreasen 1998-8-13 286 Sonoma Kenwood Marsh; W side of Hwy 12, S side of old railroad embankment, ca. 30 m N of man-made pond Comment
  POM225311  Sidalcea oregana subsp. valida J. T. Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
Read comments
Mar 10 2009
  CAS-BOT-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-BC258685  Silene Peter Rubtzoff 1962-6-21 4935 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  JEPS45851  Silene californica Eleanor Armstrong 1932-5-28 504 Sonoma 6 mi w of Graton (along Meek[s] grade); w of Graton 60 Comment
  UC1299501  Silene californica Freed W. Hoffman 1947-5-30 554 Sonoma Layton Mine North Coast Ranges, , Layton Mine (Austin Creek) Comment
  JEPS128281  Silene coniflora Roger Raiche 2005-4-22 018 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC361365  Silene coniflora Greg de Nevers 1997-4-16 10931 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  CAS-BOT-BC384579  Silene coniflora Milo S. Baker 1947-4-22 11689 Sonoma Hood Mt. above Gray Ranch near Kenwood Comment
  CAS-BOT-BC392494  Silene gallica G. DeNevers 1981-5-30 1340 Sonoma Pepperwood Ranch; In creekbed N of Hansel's corral. Comment
  CAS-BOT-BC392496  Silene gallica Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  SEINET11933906  Silene gallica F. H. Utech 1986-1 86 -100 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  NY342628  Silene grandis A. Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC388991  Silene laciniata subsp. californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Rd. 0.8 mi. E of junction with Harrison Grade Road Comment
  CAS-BOT-BC389226  Silene laciniata subsp. californica D. E. Breedlove 1980-6-27 44758 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD160832  Silene laciniata subsp. californica James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3361 Sonoma Section 10, on the Geysers Road west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC389224  Silene laciniata subsp. californica G. DeNevers 1981-6-27 1698 Sonoma Pepperwood Ranch. Along Franz Valley Road 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
  UCD138873  Sisyrinchium bellum Valerie Bullock; Waraich and Togioka 1993-5-8 244 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. Pony Gate Trail. 365 Comment
  JEPS64293  Sisyrinchium californicum Lucille Roush 1928-4-15 Sonoma near Russian River; Fort Ross Comment
  UC429242  Smilacina racemosa H. P. Chandler 1907-4-21 7529 Sonoma road fr. Glen Ellen to Oakville Comment
  CDA28745  Smilacina stellata S. Blank, P. Kerr 2007-4-3 s.n. Sonoma North Coast Ranges; Annadel State Park. Hunter Spring. Comment
  CAS-BOT-BC166692  Solanum Peter Rubtzoff 1974-9-7 7888 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. at creek crossing. Comment
  UCD165324  Solanum Peter Rubtzoff 1973-8-21 7245 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  SEINET6035513  Solanum furcatum Unknown 1958-8-17 3889 Sonoma Laguna de Santa Rosa. Northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC156865  Solanum umbelliferum M. S. Baker 1929-1-2 3401 b Sonoma North side Mill Creek, along trail from Cooper's Ranch to Cypress Grove Comment
  UCD148423  Solanum xanti Peter Rubtzoff 1960-5-16 2358 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC344875  Solidago Peter Rubtzoff 1961-9-20 4748 Sonoma Americano Creek, 0.9 miles west of Bloomfield. Open, damp ground. Comment
  CAS-BOT-BC344889  Solidago Peter Rubtzoff 1962-9-16 5094 Sonoma Vacation Beach, 1.5 miles below Guerneville. Comment
  POM58783  Solidago californica A. A. Heller 1902-7-2 6055 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  SBBG33688  Solidago spathulata T. L. Secrest 1948-7-7 Sonoma coast, Sonoma County [no specific locality] Comment
  CAS-BOT-BC365259  Solidago velutina subsp. californica Peter Rubtzoff 1951-9-15 749 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC365959  Soliva sessilis Peter Rubtzoff 1952-6-10 1204 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC374529  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  CAS-BOT-BC374743  Sonchus oleraceus Mary P. Wells 1985-9-9 614 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  UCD136184  Sonchus oleraceus Mary M. Hektner 1974-7-25 167 Sonoma Galleon's Reach, Unit 3 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD92976  Spartina foliosa Beecher Crampton 1958-12-30 5140 Sonoma 10 miles west of city of Vallejo, along Sonoma Creek, north shore of San Pablo Bay. Comment
  CAS-BOT-BC251260  Spergularia Peter Rubtzoff 1954-7-3 1519 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC320501  Spergularia Peter Rubtzoff; Nancy Harrison; Walter Lennon; Marion Weiger 1974-5-11 7399 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA0098145  Spergularia macrotheca E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC320523  Spergularia rubra Peter Rubtzoff 1974-7-29 7789 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CAS-BOT-BC390729  Spergularia rubra Alice Eastwood; John Thomas Howell 1937-5-31 4503 Sonoma 6 miles north of Bodega Bay Comment
  CAS-BOT-BC534891  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC502059  Stachys Peter Rubtzoff 1971-9-3 6691 Sonoma SE border of Spring Creek Reservoir area Comment
  UCLA70856  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-28 Sonoma Shellville Comment
  UC1299470  Stachys albens Freed W. Hoffman 1946-9-26 580 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UCD125557  Stachys albens Frederica Bowcutt 1994-6-24 1893 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. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  UCSB23992  Stachys rigida McCarthy, Sharon 1965-4-16 Sonoma Corner of 5th Street West and Verano Ave; Sonoma 60 Comment
  SEINET12329226  Stachys rigida var. quercetorum W. Knight, Knight, I. 1984-1 5112 Sonoma Sea Ranch Comment
  UCD125569  Stachys rigida var. quercetorum Rimy Waraich; Patti Togioka 1993-5-8 234 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. 365 Comment
  UCR256114  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC375318  Stephanomeria exigua subsp. coronaria G. DeNevers 1981-6-27 1681 Sonoma Pepperwood Ranch. Walk up the Creek from Franz Valley Road through the Devil's Kitchen Comment
  UCR74759  Stipa formicarum M. E. Barkworth, D. Amme 1989-6-15 5170 Sonoma c. 2 mi north of Jenner on US Hwy 1 70 Comment
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Aug 4 2008
  UCD167312  Streptanthus James Neilson 1977-6-7 3904 Sonoma Mayacmas Mountains, between Lunar Point and crest of Mayacmas. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167361  Streptanthus James A. Neilson Jr. 1979-6-26 3976 Sonoma Mayacmas Mountans. About 2 1/2 miles northwest of Socrates Mine, 1/4 mile south of highest knoll above the Geysers on ridge that divides Big and Little Sulphur Creeks. (Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS27964  Streptanthus barbiger Rimo Bacigalupi and L. Heckard 1961-6-9 7742 Sonoma ca. 3/4 mi. n.w. Occidental School (along Stoetz Lane, ca. 1/2 mi. n.w. of its junction with Harrison Grade rd.) 228 Comment
  POM311200  Streptanthus brachiatus H. K. Sharsmith 1952-6-18 4129 Sonoma Near junction of Socrates Mine road with Pine Flat-Middle-town road, Mayacamas Mountains 976 Comment
  UCR67077  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  SEINET10947471 Image available Streptanthus glandulosus Fred W. Hoffman 1948-7-9 Hoffman 2311 Sonoma Serpentine soil 6.9 miles north of California-Oregon line on Happy Camp-O'Brien road, Josephine County Comment
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May 8 2018
  CAS-BOT-BC87240  Streptanthus glandulosus subsp. hoffmanii James L. Reveal 1988-6-1 6975 a Sonoma Along Geysers Road, 12.5 miles north of California Highway 128 and 15.5 miles east of US Highway 101. 762 Comment
  UC1492792  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-30 1065 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  RSA0121906  Streptanthus glandulosus subsp. secundus Patricia Wilder 1965-6-9 3629 Sonoma 2.5 mi up Los Alamos Road from CA State Hwy 12; Rincon Ridge. North Coast mtn range, Russian River drainage. 305 Comment
  UC1492769  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-25 3396 Sonoma near Guerneville; North Coast Ranges, Great Eastern Quicksilver Mines Comment
  UC985969  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-18 3208 Sonoma Cazadero Rd between Guerneville and Cazadero; North Coast Ranges Comment
  CAS-BOT-BC87294  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-1 1134 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  JEPS128181  Streptanthus morrisonii Roger Raiche 2001-3-17 008 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1292737  Streptanthus morrisonii Freed W. Hoffman 1947-6-4 1029 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UCD167366  Streptanthus morrisonii James Neilson Date Unknown 4060 Sonoma Hillside due east of Layton Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167449  Streptanthus morrisonii James Neilson 1983-6-13 4096 Sonoma wind ridge upper East Austin Creek. East side of the Cedars. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1751203  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-5-30 1030 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  CAS-BOT-BC87489  Streptanthus tortuosus Michener; Bioletti 1893-6-7 s.n. Sonoma Hoods Peak. Comment
  UC117370  Streptanthus tortuosus var. suffrutescens Michener and Bioletti 1892-5-30 Sonoma Hood's Peak Comment
  UCD166222  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma Marsh on River Road, about 3 miles west of Fulton. Comment
  CAS-BOT-BC540811  Symphoricarpos Peter Rubtzoff 1966-6-5 5754 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC269710  Symphoricarpos mollis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54012 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCR254879  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCR255676  Symphyotrichum Greg de Nevers 1997-8-17 11078 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  CDA10942  Synthyris cordata G. F. Hrusa, G. L. Stebbins 1994-3-28 11700 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. Adjacent to East Austin Cr. Rd. on E side of Creek. 0 Comment
  HSC100962  Tauschia kelloggii Peter Warner 2011-5-28 201 Sonoma McCullough Ranch and Cresta Ranches, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), northern part of ridge between lower Mill Creek and Mark West Creek. 0 Comment
  CHSC26306  Tellima grandiflora P. Kunst 1977-4-12 23 Sonoma Ca. 4 yd n of Coleman Valley Rd and 3 yd s of Coleman Valley Creek, 2.5 mi w of Occidental. 219 Comment
  UC570922  Tellima grandiflora H. L. Mason Jun 1930 5666 Sonoma mouth of Gualala River Comment
  UCR222557  Tellima grandiflora George K. Helmkamp, E. A. Helmkamp 2010-6-5 16240 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  UC35392  Tetrapteron graciliflorum W. C. Blasdale 1891-1 Sonoma Comment
  CDA24367  Thalictrum fendleri var. polycarpum Sherrald 1929-5-3 Sonoma 0 Comment
  UC796642  Thermopsis californica var. californica Ira L. Wiggins 1949-4-30 12058 Sonoma roadside 6.8 mi e Santa Rosa (on road to Calistoga) Comment
  RSA52687  Thermopsis californica var. californica I. L. Wiggins 1949-4-30 12058 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  UC147268  Thysanocarpus curvipes Milo S. Baker 1903-3-20 Sonoma Sonoma Cr. Canyon Comment
  UC117272  Thysanocarpus curvipes K. Brandegee April 1889 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC67333  Thysanocarpus radians A. A. Heller; H. E. Brown 1902-4-8 5223 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  JEPS35791  Thysanocarpus radians Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8926 Sonoma s Sonoma (e of Arnold Dr, 0.7 mi n of junction of Arnold Dr with State Hwy 37) Comment
  CAS-BOT-BC67339  Thysanocarpus radians Karl H. Rechinger 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  RSA0049965  Thysanocarpus radians A. A. Heller, H. E. Brown 1902-4-8 5885 Sonoma Bennett Valley, Southeast of Santa Rosa. Comment
  CAS-BOT-BC447594  Tiarella trifoliata subsp. unifoliata Peter Rubtzoff 1954-8-2 1615 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC447596  Tiarella trifoliata subsp. unifoliata John Thomas Howell 1930-7-27 5394 Sonoma Deep shade of redwood forest, 1 mile north of Fort Ross Comment
  UC496421  Tiarella trifoliata var. unifoliata Merle Randall 1930-6-11 Sonoma Cazadero Comment
  UCD128150  Torilis arvensis Frederica Bowcutt 1994-6-12 1862 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  UCD93173  Torreyochloa pallida var. pauciflora A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3582 Sonoma on Occidental Road near Barstow Station. Comment
  CAS-BOT-BC169258  Toxicodendron diversilobum Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC169262  Toxicodendron diversilobum Saichi Kawahara 1968-4-20 326 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  RSA669740  Toxicodendron diversilobum G. D. Barbe 1974-4-29 1783 Sonoma Asti Road ca. 1 mile south of Washington School Road, Asti, creek at south edge of vineyard Comment
  CAS-BOT-BC519555  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-8-14 21407 Sonoma Sonoma: Perry Marsh Comment
  CAS-BOT-BC257700  Trichostema Peter Rubtzoff; Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS63118  Trichostema lanceolatum W. L. Jepson 1895-8-30 14883 Sonoma Petrified Forest Comment
  SEINET7972629  Trichostema laxum M. J. Williams, W. Roderick 1978-7-18 78- 228 -2 Sonoma Near Occidental. Comment
  CAS-BOT-BC173535  Trifolium Peter Rubtzoff 1974-6-2 7511 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC376224  Trifolium Greg de Nevers No date on label 10840 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  RSA784994  Trifolium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC173537  Trifolium Peter Rubtzoff 1974-5-26 7496 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-BC173580  Trifolium Peter Rubtzoff 1976-5-30 8555 Sonoma Kenwood Marsh. Comment
  UCSC010632  Trifolium R. Morgan 2014-5-12 5637 a Sonoma Bodega Head Comment
  CAS-BOT-BC217058  Trifolium amoenum A. A. Heller 1940-5-17 15636 Sonoma Along roadside on State Highway #1, 2 miles west of Valley Ford. Comment
  SBBG40326  Trifolium amoenum R. F. Hoover 1969-5-26 11349 Sonoma 2 mi S of Petaluma on Pt Reyes Rd Comment
  UCD107140  Trifolium amoenum P. G. Connors 1996-6-5 372 Sonoma Bodega Head and Dunes. Near Horseshoe Cove. Comment
  UCD165157  Trifolium barbigerum Peter Rubtzoff 1974-5-19 7441 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  JEPS65919  Trifolium barbigerum var. andrewsii H. L. Mason 1931-4-12 Sonoma Fulton Comment
  UCR119035  Trifolium barbigerum var. andrewsii Beecher Crampton 1955-4-5 2416 Sonoma Santa Rosa Area, 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road 91 Comment
  UC750533  Trifolium bifidum var. decipiens Lewis S. Rose 1947-5-9 47135 Sonoma Occidental Comment
  UCD107904  Trifolium bifidum var. decipiens A. A. Heller; H. E. Brown 1902-4-15 5293 Sonoma Santa Rosa. Comment
  UCD108303  Trifolium ciliolatum Patti Togioka; Valerie Bullock 1993-5-8 242 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail. 365 Comment
  UCD165169  Trifolium depauperatum var. depauperatum Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA94341  Trifolium dubium Peter Rubtzoff 1951-7-14 461 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  UCD38290  Trifolium dubium Beecher Crampton 1954-4-26 1791 Sonoma 9 miles SE of Geyserville, Highway 128, Alexander Valley. Comment
  UCR254855  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley Marsh on Bavarian Lion Ranch 197 Comment
  UCSB50222  Trifolium fucatum Gray, John 1976-5-1 Sonoma Bluffs on Duncan's Landing peninsula, Sonoma Coast State Beaches; T6N R11W 15 Comment
  UCSC009217  Trifolium hydrophilum Randall Morgan 1998-5-25 2743 Sonoma Viansa Vineyard on west side of Highway 121, about 2 miles south of Highway 116, and approximately 6 miles north of Sears Point Comment
  UCD109175  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  JEPS128303  Trifolium obtusiflorum Roger Raiche 2009-4-30 028 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  UC631272  Trifolium oliganthum P. B. Kennedy 1915-5-31 Sonoma Annapolis Comment
  UCR255722  Trifolium striatum Greg de Nevers 1998-5-12 11245 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET12166392  Trifolium striatum H. K. Wagnon 1989-1 1887 Sonoma at edge of Fort Ross School's Reservoir, Timber Cove 122 Comment
  RSA517355  Trifolium subterraneum L. T. Dempster 1958-5-24 1105 Sonoma Pitkin Marsh (on Pitkin Ranch). Comment
  SEINET10577407  Trifolium tridentatum var. tridentatum William H. Brewer 1862-4-17 Brewer 981 Sonoma Sonoma Valley, in a field. Comment
  UC16790  Trifolium variegatum var. melananthum H. N. Bolander Apr 1864 3881 Sonoma Mark West Creek Coast Ranges Comment
  UC85322  Trifolium willdenovii Michener and Bioletti May 1892 105 a Sonoma S. L. G. Comment
  CDA28069  Trifolium wormskioldii M. S. Bergseng 1959-8-4 3809 Sonoma Sonoma Coast State Park. 0 Comment
  UC72282  Trillium albidum Milo S. Baker 1898-3-23 696 Sonoma near Melita Melita Comment
  CAS-BOT-BC520844  Trillium albidum A. A. Heller; H. E. Brown 1902-3-12 5035 Sonoma Eastern Base of Mt. Hood Comment
  CAS-BOT-BC520846  Trillium albidum Mrs. F. B. Trosper 1922-3-29 s.n. Sonoma Sonoma Comment
  SEINET12051461  Trillium albidum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -263 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  JEPS76933  Trillium 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
  UCD139914  Trillium ovatum Jo Nixon 1951-3-24 7 Sonoma two miles east of Duncan Mills, south bank of Russian River. Comment
  CHSC57521  Triphysaria eriantha subsp. rosea John Hale 1990-4-10 18 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  HSC82072  Triphysaria versicolor subsp. faucibarbata Thomas W. Nelson, Jane Nelson 1980-5-3 5122 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UC194181  Triphysaria versicolor subsp. faucibarbata Michener and Bioletti 1893-6-7 Sonoma Kenwood Comment
  JEPS15319  Triphysaria versicolor subsp. versicolor A. A. Heller 1928-5-14 15090 Sonoma just e of the town Bodega Comment
  CAS-BOT-BC200109  Trisetum canescens John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54007 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC1023609  Trisetum canescens Virginia Bufford 1936-5-20 312 Sonoma about 5 mi above Mark West (Mark West Rd) Comment
  UC1146669  Trisetum canescens Freed W. Hoffman 1944-5-22 1995 Sonoma near Sonoma Coast (Cruz Ranch); North Coast Ranges Comment
  CAS-BOT-BC522363  Triteleia hyacinthina Peter Rubtzoff 1969-5-24 6057 Sonoma Vernal pool area 6.5 miles northeast of Penngrove, on Lichan Road 426 Comment
  CAS-BOT-BC522368  Triteleia hyacinthina H. C. Cantelow 1936-5-3 s.n. Sonoma Between Shellville and El Verano Comment
  RSA41933  Triteleia hyacinthina H. C. Cantelow 1938-5-1 749 Sonoma Shellville Road about 25 miles north of Ross Comment
  UCD139297  Triteleia hyacinthina Mary M. Hektner 1975-6-3 198 Sonoma just south of Kuhn home on Pacific Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC421780  Triteleia laxa Milo S. Baker 1898-6-1 590 Sonoma Cemetery Hills Santa Rosa Comment
  UC72473  Triteleia laxa Milo S. Baker 1898-4-23 580 Sonoma Santa Rosa Creek Canyon 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
  CLARK-A1528-1521  Triteleia laxa John C. Roos 1950-7-22 4866 Sonoma Jenner Comment
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Sep 13 2015
  RSA173356  Triteleia laxa Walter Knight 1965-6-5 1116 Sonoma McDowell Road 1/2 mile from Casa Grande Road. Petaluma Comment
  CAS-BOT-BC527969  Triteleia peduncularis J. W. Congdon 1888-5-30 s. n. Sonoma Santa Rosa Comment
  CAS-BOT-BC527972  Triteleia peduncularis Peter Rubtzoff 1951-6-2 107 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  RSA378054  Triteleia peduncularis J. W. Congdon 1880-5-16 s.n. Sonoma Sting Point? Sebastapol Road. Comment
  SD134038  Typha angustifolia Peter Rubtzoff 1971-7-20 6603 Sonoma Sebastopol - Santa Rosa Hwy. near Wright Road. Ditch Comment
  CAS-BOT-BC208025  Ulex europaeus A. A. Heller; H. E. Brown 1902-3-22 5126 Sonoma Among redwood trees West of Sebastopol Comment
  CAS-BOT-BC208027  Ulex europaeus Mrs. H. C. Cantelow 1937-3-25 s.n. Sonoma North of Bodega Comment
  UC16921  Ulex europaeus Harley P. Chandler 1900-5-25 685 Sonoma Bodega Comment
  UCD108657  Ulex europaeus T. I. Storer 1930-6-24 2153 Sonoma Near Bodega. Comment
  POM21294  Ulex europaeus A. A. Heller, H. E. Brown 1902-3-22 7308 Sonoma Among Redwood Trees W of Sebastopol Comment
  CAS-BOT-BC91280  Umbellularia californica Walter Knight; Irja Knight 1963-9-1 266 Sonoma Asti. Comment
  CAS-BOT-BC382825  Uropappus lindleyi G. DeNevers 1981-4-25 847 Sonoma Pepperwood Ranch. Lower road cut turnout on Franz Valley Road, on Mark West Springs Road side Comment
  CAS-BOT-BC403984  Urtica dioica subsp. gracilis Peter Rubtzoff 1962-5-30 4854 Sonoma Freestone Marsh Comment
  CAS-BOT-BC403986  Urtica dioica subsp. gracilis Walter Knight; Irja Knight 1964-2-27 556 Sonoma Ca. 2 mi S. Gualala on highway #1 Comment
  CAS-BOT-BC404242  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-7-27 1588 Sonoma Guerneville Marsh Comment
  UCD118081  Vaccinium ovatum Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-29 094 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD118088  Vaccinium ovatum A. T. Leiser 1968-1-16 s.n. Sonoma N. end of ridge, Sea Ranch. 91 Comment
  RSA471153  Vaccinium parvifolium Christopher Davidson 1977-6-20 6031 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC76163  Vancouveria planipetala J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville. Comment
  JEPS45856  Vancouveria planipetala Eleanor Armstrong 1932-5-18 475 Sonoma Camp Meeker 121 Comment
  CAS-BOT-BC76169  Vancouveria planipetala M. S. Baker 1899-5-6 s.n. Sonoma Green Valley, near Gallagher's. Comment
  JEPS62207  Veratrum fimbriatum Milo S. Baker 1920-9-20 Sonoma 2 mi n Stewart's Point Comment
  SEINET3889195  Veratrum insolitum Kaye H. Thorne 1984-11-21 3653 Sonoma Sea Ranch, 2.5 miles South Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  RSA0051267  Verbena Greg de Nevers 1992-7-25 10227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  UC25159  Verbena lasiostachys var. scabrida J. Burtt Davy 1894-12-9 865 Sonoma Kenwood Comment
  RSA169299  Veronica americana L. S. Rose 1964-6-3 64050 Sonoma N end of Bodega Bay. 2 Comment
  RSA783734  Veronica americana Peter Rubtzoff 1960-6-9 4482 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  RSA789959  Veronica americana Peter Rubtzoff 1954-6-6 1461 Sonoma Guerneville Marsh. Comment
  SEINET12337135  Veronica anagallis-aquatica W. Knight, Knight, I. 1988-1 6255 Sonoma Hacienda about 1/4 mi below bridge across Russian River Comment
  CAS-BOT-BC164360  Veronica arvensis Peter Rubtzoff 1959-6-20 4147 Sonoma Willow Creek Marsh. Comment
  UCD166123  Veronica persica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mi. east of Guerneville. At 9981 Old River Road. 16 Comment
  JEPS88699  Veronica scutellata P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  POM312401  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-1 1107 Sonoma 2 miles east of Stewart's Pt on road to Geyserville. Comment
  SEINET12337131  Veronica serpyllifolia W. Knight, Knight, I.; Knight, T. 1985-1 6359 Sonoma Knight's Lawn, 1513 Royal Oak Drive, Petaluma Comment
  SJSU10306  Vicia americana subsp. americana G. J. Woodside 1969-4-20 Sonoma Dutton Bill Cr, 4 mi above Camp Meeker at Dorothys Rest Comment
  UCR255688  Vicia benghalensis Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  CAS-BOT-BC366858  Vicia lathyroides Greg de Nevers 1998-3-28 11149 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD108855  Vicia sativa subsp. nigra Botany 102 Students 1993-4-24 79 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 near beginning of trail S of Sonoma Creek. 381 Comment
  RSA0057958  Vicia villosa subsp. villosa Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  UC540629 Image available Viola adunca subsp. ashtoniae Milo S. Baker 1933-4-8 7348 Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  POM215705  Viola douglasii Jens Clausen 1933-3-25 732 Sonoma Melita. Comment
  UC1761445  Viola lobata Milo S. Baker 1924-5-3 463 Sonoma Howell Mt., Pinecrest Comment
  JEPS18183  Viola lobata subsp. integrifolia Rimo Bacigalupi with F. Chisaki and G. T. Robbins 1956-4-17 5588 Sonoma 1.4 mi w of Lake County Line (along Ida Clayton Road, 7.2 mi from its Kellogg Valley end) 762 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
  UC1761452  Viola ocellata Milo S. Baker May 1899 992 Sonoma Stewarts Canyon Santa Cruz Mountains Comment
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Jun 8 2007
  UC1761619  Viola pedunculata Helen Von Grafen 1927-4-15 Sonoma near Cunningham station; Sebastopol Comment
  JEPS76916  Viola sempervirens Robert M. Lloyd 1963-2-24 2048 Sonoma 0.5 mi n of Occidental (on road to Camp Meeks, abandoned picnic ground) 45 Comment
  SEINET4926724  Viola sempervirens Unknown 1994-4-3 76 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  UC1784157  Viola sempervirens Milo S. Baker 1926-12-3 s.n. Sonoma Pocket Canyon Comment
  SEINET12230244  Viscum album W. O. McCartney 1966-1 s.n. Sonoma NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  CAS-BOT-BC290696  Vitis Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  UC419014  Vitis californica H. E. and S. T. Parks 1930-8-20 693 Sonoma Maacama Creek Comment
  CDA15738  Vitis vinifera G. F. Hrusa 1998-6-14 14590 Sonoma Cultivated Plants; on Foote Ranch. Immed. N of corner Ida Clayton Rd. & Hwy. 128, Knights Valley. Comment
  UCD93478  Vulpia bromoides Beecher Crampton 1957-7-11 4307 Sonoma 1.4 miles southeast of Bodega Bay, along State Hwy. 1. Comment
  SEINET197662 Image available Vulpia bromoides Leo Koch 23/47/0001 85564 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  UC903758  Vulpia microstachys var. ciliata Milo S. Baker 1947-5-5 11722 Sonoma sw slope Hood Mt. (above Baker Ranch) 213 Comment
  UC933823  Vulpia microstachys var. ciliata Leo Koch 1940-4-22 824 a Sonoma Geyers; Sulphur Creek Canyon Comment
  UC971688  Vulpia microstachys var. ciliata Leo Koch 1940-4-22 835 Sonoma Geysers; Sulfur Creek Canyon Comment
  UCD93850  Vulpia microstachys var. ciliata L. Koch 1940-4-22 835 Sonoma Sulphur Creek Geysers. Comment
  CAS-BOT-BC184133  Vulpia microstachys var. microstachys G. DeNevers 1981-6-18 1578 Sonoma W arm of Garrison Canyon Comment
  CAS-BOT-BC184593  Vulpia microstachys var. pauciflora G. DeNevers 1981-5-15 1195 A Sonoma N slope of hill above Hansel's Lake Comment