38.45360 38.55360 -122.93470 -122.83470 UC/JEPS: Consortium Search Results
Search Results — 1976 specimen records retrieved (1976 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC332753  Acer macrophyllum Peter Rubtzoff 1980-5-26 9449 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  RSA264692  Acer negundo subsp. californicum Peter Rubtzoff 1970-8-31 6347 Sonoma Bank of Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC336941  Acer negundo var. californicum Peter Rubtzoff 1970-8-31 6347 Sonoma In thicket along sandy bank of Russian River at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC336944  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of Upper Marsh Comment
  CAS-BOT-BC336945  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of the Upper Marsh Comment
  CAS-BOT-BC30080  Achillea millefolium Peter Rubtzoff 1951-6-16 250 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the upper marsh Comment
  CAS-BOT-BC30449  Achillea millefolium John Thomas Howell 1938-7-3 13958 Sonoma Pitkin Marsh Comment
  UCD84820  Acmispon glaber Nellie Coffey 1931-5-18 s.n. Solano Green Valley. Comment
  OBI70628  Aesculus californica Tracey & Viola Call, Viola Call 1961-6-10 2072 Sonoma On Russian river near Forestville 61 Comment
  OBI70692  Aesculus californica Tracey & Viola Call, Viola Call 1961-6-10 2072 Sonoma On Russian river near Forestville 61 Comment
  CAS-BOT-BC166695  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC166700  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC176403  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC176405  Agrostis Peter Rubtzoff 1973-7-24 7195 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC210010  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC210018  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  RSA785752  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville Comment
  RSA785753  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh. Comment
  RSA785906  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles east of Guerneville). Comment
  RSA785931  Agrostis Peter Rubtzoff 1973-7-24 7195 Sonoma Upper Green Valley Marsh. Comment
  RSA785932  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh. Comment
  RSA785933  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh. Comment
  UCD165330  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh. Comment
  UCD166090  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD166331  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  SACT000118  Agrostis alba Herbert Mason 1946-7-4 Sonoma Pitkin Marsh, btw Santa Rosa and Forestville Comment
  UC1026476  Agrostis alba Peter Rubtzoff 1951-7-8 389 Sonoma lower part of the upper Pitkin Marsh (near Forestville) Comment
  UC1100113  Agrostis alba Herbert L. Mason 1946-7-4 12888 Sonoma between Santa Rosa and Forestville Forestville (Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC126961  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-BC126968  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian River. Comment
  CAS-BOT-BC126969  Agrostis exarata Peter Rubtzoff 1951-9-15 765 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. 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
  GH341204  Agrostis exarata A. A. Heller 1902-6-27 5779 Unknown West of Windsor near Russian river Comment
  POM207133  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian river. Comment
  UCD52136  Agrostis exarata Freed W. Hoffman 1943-10-2 2171 Sonoma near Graton on Ross Road. Comment
  CAS-BOT-BC139551  Agrostis gigantea Herbert L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC139552  Agrostis gigantea Peter Rubtzoff 1951-7-8 391 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC139553  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC139554  Agrostis gigantea Peter Rubtzoff 1951-7-1 335 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC139555  Agrostis gigantea Peter Rubtzoff 1951-7-21 508 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC139556  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC139116  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC139117  Agrostis oregonensis Peter Rubtzoff 1951-8-5 605 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC139118  Agrostis oregonensis Peter Rubtzoff 1951-8-5 605 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC139119  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC139120  Agrostis oregonensis Peter Rubtzoff 1951-6-7 124 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC139121  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC138916  Agrostis pallens John Thomas Howell 1945-7-18 s.n. Sonoma Drier borders of Pitkin Marsh. Comment
  CAS-BOT-BC138596  Agrostis stolonifera Peter Rubtzoff 1951-7-8 388 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  RSA313173  Agrostis stolonifera H. L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD53596  Agrostis stolonifera Peter Rubtzoff 1951-7-21 508 Sonoma Between the Upper and the Lower marshes, near Forestville. Comment
  UCD53597  Agrostis stolonifera Herbert L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC176185  Aira caryophyllea Peter Rubtzoff 1974-5-25 7459 Sonoma Upper Green Valley Marsh. Comment
  RSA244322  Aira caryophyllea Larry E. DeBuhr 1973-5-18 1098 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC138206  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1951-6-16 230 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC138213  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1951-6-16 230 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC166765  Alisma lanceolatum Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  SJSU6089  Alisma lanceolatum C. W. Sharsmith 1972-6-24 7810 Sonoma Laguna de Santa Rosa, N of Sebastapol, E of Graton Comment
  UCR279634  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville 13 Comment
  UC1042432  Alisma plantago-aquatica Peter Rubtzoff 1951-8-19 664 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh Comment
  UC1130600  Alisma plantago-aquatica H. S. Yates 1936-5-17 5633 Sonoma 2 mi ne Graton; Sebastopol Quad. 30 Comment
  CAS-BOT-BC445460  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville.Lower part of the Upper Marsh Comment
  CAS-BOT-BC445465  Alisma triviale Peter Rubtzoff 1958-8-16 3874 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  CAS-BOT-BC445468  Alisma triviale Peter Rubtzoff 1963-7-14 5199 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445474  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC156311  Alismataceae Peter Rubtzoff 1955-5-21 1880 Sonoma Ross Marsh Comment
  JEPS82409  Allium bolanderi Roger Raiche 1983-6-4 30374 Sonoma Sweetwater Springs Road 3.9 mi w West Side Highway (above Porter Creek, e of its intersection with John Gordon Creek, on s side of road); Porter Creek 121 Comment
  CAS-BOT-BC169653  Alnus rhombifolia Peter Rubtzoff 1960-9-14 4527 Sonoma Laguna de Santa Rosa E of Graton (betw.Occidental and Guerneville roads) Comment
  CAS-BOT-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-BC169656  Alnus rhombifolia Peter Rubtzoff 1961-10-23 4781 Sonoma Laguna de Santa Rosa area NE of Graton 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
  RSA155529  Alnus rhombifolia L. S. Rose 1960-9-14 60093 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  RSA302701  Alnus rubra Jim Shevock 1971-1-30 624 Sonoma Along Russian River Comment
  SJSU6045  Alopecurus aequalis C. W. Sharsmith 1972-6-24 7799 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 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-BC138047  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-21 1882 Sonoma Ross Marsh. Comment
  CAS-BOT-BC138051  Alopecurus aequalis var. sonomensis John Thomas Howell 1945-5-30 20899 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC138058  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-14 1835 Sonoma Ross Marsh. Comment
  UC576308  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5603 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh 30 Comment
  UCD55875  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-14 1835 Sonoma Ross Marsh. Comment
  UCD55893  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5603 Sonoma 2 miles SE of Forestville. 30 Comment
  RSA234560  Amaranthus albus Peter Rubtzoff 1958-8-9 3849 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  RSA234563  Amaranthus californicus Peter Rubtzoff 1963-8-24 5240 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC55541  Ambrosia psilostachya Peter Rubtzoff 1951-9-15 762 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC55542  Ambrosia psilostachya Peter Rubtzoff 1951-9-15 762 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC154126  Ammannia Peter Rubtzoff 1973-8-27 7272 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC154122  Ammannia coccinea Peter Rubtzoff 1958-9-27 4005 Sonoma Laguna de Santa Rosa, northwest of Graton (0.5 mi. N of Guerneville Road.) Comment
  CAS-BOT-BC154125  Ammannia coccinea Peter Rubtzoff 1963-9-21 5271 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC157697  Ammannia coccinea Peter Rubtzoff 1963-8-24 5238 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UCD165772  Ammannia robusta Peter Rubtzoff 1973-8-27 7272 Sonoma Upper Green Valley Marsh area. Comment
  UCD56045  Andropogon glomeratus H. S. Yates 1937-8-22 6865 Sonoma 2 miles SE of Forestville. 30 Comment
  UC1042505  Andropogon glomeratus var. pumilus Peter Rubtzoff 1951-11-24 849 Sonoma western branch of the Upper Marsh Pitkin Marsh (near Forestville); , western branch of the Upper Marsh Comment
  UCD56062  Andropogon glomeratus var. pumilus Virginia Bufford 1936-8-18 413 Sonoma Pitkins Marsh, Vine Hill District. Comment
  JEPS74598  Andropogon glomeratus var. scabriglumis L. R. Heckard 1974-8-21 3825 B Sonoma s.-central part near end of Templeton rd. Pitkin Marsh Comment
  GH355506  Andropogon virginicus J. T. Howell & J. W. Stacey 1936-7-26 12671 Unknown Pitkin Marsh, 5 miles north of Sebastopol, Sonoma County. Comment
  UCD56108  Andropogon virginicus Virginia Bufford 1936-8-19 415 Sonoma Vine Hill District, Pitkins Marsh. Comment
  CAS-BOT-BC137786  Andropogon virginicus var. virginicus Peter Rubtzoff 1951-9-15 754 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. Comment
  CAS-BOT-BC137787  Andropogon virginicus var. virginicus John Thomas Howell; J. W. Stacy 1936-7-26 12671 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC137788  Andropogon virginicus var. virginicus J. Bufford 1936-9-8 s.n. Sonoma Pitkin Marsh, Vine Hill District. Comment
  CAS-BOT-BC137789  Andropogon virginicus var. virginicus Peter Rubtzoff 1951-9-15 754 Sonoma Pitkin Marsh, near Forestville. Area Separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC137790  Andropogon virginicus var. virginicus H. S. Yates 1937-8-22 6865 Sonoma 2 miles southeast of Forestville. 30 Comment
  UC1011020  Andropogon virginicus var. virginicus Virginia Bufford 1936-9-9 416 Sonoma Pitkin's Marsh; Pitkin's Marsh - Vine Hill District Comment
  UC1011021  Andropogon virginicus var. virginicus Virginia Bufford 1935-9-8 77 Sonoma Pitkin's Marsh; Pitkin's Marsh, Vine Hill District Comment
  UC1011022  Andropogon virginicus var. virginicus Virginia Bufford 1935-9-8 77 Sonoma Pitkins Marsh Comment
  UC1011023  Andropogon virginicus var. virginicus Virginia Bufford 1936-8-19 412 Sonoma Pitkin's Marsh; Pitkin's Marsh - Vine Hill District Comment
  UC558472  Andropogon virginicus var. virginicus J. Bufford 1936-9-8 Sonoma Pitkin Marsh; Pitkin Marsh, Vine Hill District Comment
  UC573792  Andropogon virginicus var. virginicus Virginia Bufford 1936-9-10 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  UCD37566  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2415 Sonoma 2 miles southwest of Windsor. Comment
  UCD56134  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2415 Sonoma 2 miles southwest of Windsor. Comment
  UCD56148  Anthoxanthum aristatum R. Tofsrud 1948-5-1 s.n. Sonoma West of Windsor. Comment
  HSC8936  Anthoxanthum odoratum C. S. Chavez 1965-6-3 78 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  JEPS83375  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 328 Sonoma just w Hacienda (along River Road, on n side of road); Guerneville Quad. (7.5', 1955) 24 Comment
  CAS-BOT-BC128618  Arbutus menziesii Peter Rubtzoff 1951-8-18 615 Sonoma Uppermost part of the western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  A362521  Arctostaphylos H. F. Copeland 1933-3-18 A 13 Unknown Vine Hill region on College Avenue Highway, near Santa Rosa Comment
  A362522  Arctostaphylos H. F. Copeland 1933-3-18 A 14 Unknown Vine Hill region on College Avenue Highway, west of Santa Rosa Comment
  A362523  Arctostaphylos H. F. Copeland 1933-3-18 A 10 Unknown Vine Hill region west of Santa Rosa Comment
  GH362517  Arctostaphylos H. F. Copeland 1933-3-18 A 14 Unknown Vine Hill region on College Avenue Highway, west of Santa Rosa Comment
  GH362519  Arctostaphylos H. F. Copeland 1933-3-18 A 10 Unknown Vine Hill region west of Santa Rosa Comment
  GH362520  Arctostaphylos H. F. Copeland 1933-3-18 A 13 Unknown Vine Hill region on College Avenue Highway, near Santa Rosa Comment
  GH362562  Arctostaphylos J. T. Howell 1931-3-14 5777 Unknown Vine Hill District Comment
  GH362563  Arctostaphylos J. T. Howell 1931-3-14 5776 Unknown Vine Hill District Comment
  GH362564  Arctostaphylos J. T. Howell 1931-3-14 5775 Unknown Vine Hill District Comment
  JEPS98814  Arctostaphylos James B. Roof, Walter Knight, Irja Knight 1967-3-19 Sonoma near Pitkin Marsh (Jones Christmas Tree Farm, near Vine Hill Road) Comment
  UC1042348  Arctostaphylos Lewis S. Rose 1955-2-14 55000 Sonoma Forestville 22 Comment
  UC1389135  Arctostaphylos A. E. Wieslander 1938-10-29 833 Sonoma Vine Hill Comment
  UC424805  Arctostaphylos Milo S. Baker 1930-3-8 3899 b Sonoma Frei Bros. Ranch Vine Hill Region Comment
  UC535021  Arctostaphylos H. F. Copeland 1933-3-18 A 10 Sonoma w Santa Rosa; Vine Hill region Comment
  UC549543  Arctostaphylos J. E. Adams 1934-3-28 720 Sonoma near Santa Rosa; Vine Hill school Comment
  UC549553  Arctostaphylos J. E. Adams 1934-3-28 719 Sonoma near Santa Rosa; Vine Hill Comment
  UC549554  Arctostaphylos J. E. Adams 1934-3-28 718 Sonoma near Santa Rosa; Vine Hill Comment
  UC665624  Arctostaphylos A. A. Beetle 1940-2-18 1573 Sonoma 10 mi w Santa Rosa; Pitkin Ranch Comment
  UC909870  Arctostaphylos J. E. Adams 1934-3-28 720 Sonoma near Santa Rosa; Vine Hill School Comment
  POM209916  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 10 Sonoma Vine Hill region west of Santa Rosa. Comment
  RSA13433  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 10 Sonoma Vine Hill region west of Santa Rosa. Comment
  A350219  Arctostaphylos densiflora J. T. Howell 1931-3-14 5768 Unknown Vine Hill District Comment
  A350225  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Unknown Near Vine Hill School House Comment
  CAS-BOT-BC24976  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3856 Sonoma In a ditch along Vine Hill Road across from McConnell's place. 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-BC24978  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4078 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24979  Arctostaphylos densiflora Walter Knight; Irja Knight; Elizabeth McClintock; J. Sigg 1981-3-25 4037 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24980  Arctostaphylos densiflora Walter Knight; Irja Knight; Elizabeth McClintock; J. Sigg 1981-3-25 4035 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24982  Arctostaphylos densiflora Lewis S. Rose 1955-6-2 55062 Sonoma Junction of Vine Hill & School Roads, 10 mi. W of Santa Rosa. Type Locality. 45 Comment
  CAS-BOT-BC24983  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55004 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality Comment
  CAS-BOT-BC24984  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality Comment
  CAS-BOT-BC24985  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55005 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality Comment
  CAS-BOT-BC24986  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5770 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24987  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5769 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24988  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5767 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24989  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5768 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24990  Arctostaphylos densiflora Milo S. Baker 1930-3-1 3882 Sonoma Vine Hill region along highway, Brn. Ranch Comment
  CAS-BOT-BC24991  Arctostaphylos densiflora M. S. Baker 1928-4-18 5045 Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC24992  Arctostaphylos densiflora Milo S. Baker 1929-6-1 3572 Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC24993  Arctostaphylos densiflora Milo S. Baker 1928-4-18 5045 -G Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC24994  Arctostaphylos densiflora John Thomas Howell 1945-5-30 20910 Sonoma Vine Hill School Comment
  CAS-BOT-BC24995  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24996  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma Vine Hill Schoolhouse, 10 mi. W of Santa Rosa, along road. 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
  CAS-BOT-BC25009  Arctostaphylos densiflora Walter Knight; Irja Knight; J. Sigg; Elizabeth McClintock 1981-3-25 3998 Sonoma Originally from a hybrid swarm at Vine Hill. Comment
  CAS-BOT-BC25010  Arctostaphylos densiflora Walter Knight; Irja Knight; J. Sigg; Elizabeth McClintock 1981-3-25 4031 Sonoma Originally from a population in Vine Hill Dist Comment
  CAS-BOT-BC25011  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-4 4098 Sonoma Originally from Vine Hill area near Sebastopol. Comment
  CAS-BOT-BC25012  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4083 Sonoma Originally from Vine Hill area near Sebastopol. Comment
  CAS-BOT-BC25013  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-4 4143 Sonoma Originally from Vine Hill area near Sebastopol. Comment
  CAS-BOT-BC25014  Arctostaphylos densiflora Peter Rubtzoff 1952-3-22 870 Sonoma Dry, open area separating the Western branch of the Upper Marsh from the Eastern. Comment
  CAS-BOT-BC25015  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality. Comment
  CAS-BOT-BC25016  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55004 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality. Comment
  CAS-BOT-BC25017  Arctostaphylos densiflora Elmer I. Applegate 1932-3-19 7028 Sonoma Roadside just W of Vine Hill Schoolhouse, about 10 mi Westerly from Santa Rosa. Type Station. Comment
  CAS-BOT-BC25018  Arctostaphylos densiflora Milo S. Baker 1931-3-7 s.n. Sonoma Roadside near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC25019  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC25020  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC25021  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma At roadside; Vine Hill School Road, 0.1 mile E of junction with Vine Hill Road, ca. 10 miles W of Santa Rosa. Comment
  CAS-BOT-BC25023  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5778 Sonoma Vine Hill District, 10 miles W of Santa Rosa. Comment
  CAS-BOT-BC25025  Arctostaphylos densiflora John Thomas Howell 1963-11-21 421 Sonoma Vine Hill Rd. ca. 5 mi N past Pitkin Ranch. Comment
  CAS-BOT-BC27250  Arctostaphylos densiflora Milo Samuel Baker 1928-4-18 5045 Sonoma Near Vine Hill School House Comment
  GH350220  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Unknown Near Vine Hill School House Comment
  GH350221  Arctostaphylos densiflora J. T. Howell 1931-3-14 5767 Unknown Vine Hill District Comment
  GH350222  Arctostaphylos densiflora H. L. Mason 1931-3-7 5805 Unknown Vine Hill School, twelve miles west of Santa Rosa Comment
  GH350223  Arctostaphylos densiflora J. C. Clausen 1933-3-26 743 Unknown Vine Hill Schoolhouse, 10 miles west of Santa Rosa, along road Comment
  JEPS19873  Arctostaphylos densiflora H. L. Mason 1931-3-8 Sonoma w Santa Rosa; Vine Hill School Comment
  JEPS83500  Arctostaphylos densiflora Jack and Betty Guggolz 1986-2-22 848 Sonoma above extrapolated (Spanish land grant) (n side of Vine Hill School Rd); Cal. Native Plant Soc. reserve Comment
  JEPS98815  Arctostaphylos densiflora Walter Knight 1967-3-19 Sonoma Vine Hill School Road ca. 100 yds W of the school on N side of road and across fence at edge of vineyard Comment
  LA42171  Arctostaphylos densiflora E. B. Copeland; 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  OBI14750  Arctostaphylos densiflora H. E. McMinn 1936-4-5 4412 Sonoma Just W of Vine HIll School, 16 mi W of Santa Rosa Comment
  POM204431  Arctostaphylos densiflora J. T. Howell 1931-3-14 5770 Sonoma Vine Hill District Comment
  POM209918  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill School House Comment
  POM215711  Arctostaphylos densiflora Jens Clausen 1933-3-26 743 Sonoma Vine Hill School House, 10 miles west of Santa Rosa, along road. Comment
  POM367502  Arctostaphylos densiflora L. S. Rose 1934-2-22 34031 Sonoma Vine Hill Region, 10 mi. W of Santa Rosa, Type & only locality. Comment
  RSA107817  Arctostaphylos densiflora L. S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mies W of Santa Rosa Comment
  RSA13429  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill School House Comment
  RSA164632  Arctostaphylos densiflora Percy C. Everett 1963-11-21 24564 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  RSA177948  Arctostaphylos densiflora R. F. Thorne 1965-4-19 34320 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  RSA257634  Arctostaphylos densiflora Gary D. Wallace 1975-8-25 1500 Sonoma W of Santa Rosa, E of Forestville between Vine Hill Rd. and Laguna Rd. W of Laguna Swamp, N side of Vine Hill School Rd. W of house at 6166. 30 Comment
  RSA31996  Arctostaphylos densiflora A. A. Heller 1942-3-15 16398 Sonoma just west of Vine Hill School Comment
  RSA32906  Arctostaphylos densiflora A. A. Heller 1941-3-2 15881 Sonoma about 9 miles west of Santa Rosa on roadside banks just west of the Vine Hill Schoolhouse Comment
  SBBG25391  Arctostaphylos densiflora R. Gankin 1957-11-1 247 Sonoma Vine Hill School Rd, 0.1 mi E of jct with Vine Hill Rd, ca. 10 mi W of Santa Rosa Comment
  SBBG28862  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  SBBG28870  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma Vine Hill Schoolhouse, 10 mi W of Santa Rosa Comment
  SD107652  Arctostaphylos densiflora Walter Knight, Irja Knight 1980-12-23 3858 Sonoma California Native Plant Society's preserve on Vine Hill School Road. Comment
  SD107684  Arctostaphylos densiflora Walter Knight, Irja Knight 1980-12-23 3856 Sonoma In ditch along Vine Hill Road across from McConnell's place. Comment
  SD56794  Arctostaphylos densiflora Darley F. Howe 1963-5-22 3523 Sonoma 10 miles west of Santa Rosa on Vine Hill Road. 149 Comment
  SDSU1493  Arctostaphylos densiflora D. F. Howe 1963-5-22 3523 Sonoma Vine Hill Road, about 10 miles west of Santa Rosa. 152 Comment
  SEINET2028697 Image available Arctostaphylos densiflora H. F. Copeland 1933-3-18 a 5 Sonoma Near Vine Hill school house Comment
  UC1093995  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55003 Sonoma 9 mi w Santa Rosa (type locality); Vine Hill Comment
  UC1120148  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1567 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1120149  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1564 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1120151  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 829 Sonoma Vine Hill Sebastapol Quadrangle Comment
  UC1120152  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 830 Sonoma Vine Hill Sebastapol Quadrangle Comment
  UC1120153  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 831 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1281202  Arctostaphylos densiflora H. E. McMinn 1936-4-5 4412 Sonoma just w Vine Hill School (16 mi w of Santa Rosa) Comment
  UC1614285  Arctostaphylos densiflora Charles M. Belshaw 1936-3-7 1568 Sonoma just e of Trenton (Forest Hill Road, turn off to Vine Hill School); Forest Hill Road Comment
  UC424817  Arctostaphylos densiflora Milo S. Baker 1930-3-1 3882 Sonoma along hwy by Frei Ranch; Vine Hill region Comment
  UC518978  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma 10 mi w Santa Rosa (along road); Vine Hill Schoolhouse 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
  UC549448  Arctostaphylos densiflora J. E. Adams 1934-3-28 716 Sonoma Vine Hill School Sta. Rosa Comment
  UC549449  Arctostaphylos densiflora J. E. Adams 1934-3-28 715 Sonoma Vine Hill School Sta. Rosa Comment
  UC549450  Arctostaphylos densiflora J. E. Adams 1934-3-28 723 Sonoma Vine Hill School Sta. Rosa Comment
  UC549451  Arctostaphylos densiflora J. E. Adams 1934-3-28 724 Sonoma Vine Hill School Sta. Rosa Comment
  UC549452  Arctostaphylos densiflora J. E. Adams 1934-3-28 725 Sonoma Vine Hill School Sta Rosa Comment
  UC549453  Arctostaphylos densiflora J. E. Adams 1935-3-1 1032 Sonoma Frei Ranch Vine Hill Comment
  UC549534  Arctostaphylos densiflora J. E. Adams 1934-3-28 717 Sonoma Vine Hill School Sta. Rosa Comment
  UC549535  Arctostaphylos densiflora J. E. Adams 1934-3-28 721 Sonoma Vine Hill School Sta. Rosa Comment
  UC571086  Arctostaphylos densiflora H. L. Mason 1931-3-7 5806 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  UC571087  Arctostaphylos densiflora H. L. Mason 1931-3-7 5805 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  UC571200  Arctostaphylos densiflora H. L. Mason 1931-3-7 5804 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  UC725333  Arctostaphylos densiflora A. A. Heller 1942-3-15 16398 Sonoma just w Vine Hill School Comment
  UC726208  Arctostaphylos densiflora A. A. Heller 1941-3-2 15881 Sonoma roadside banks just w Vine Hill Schoolhouse (about 9 mi w of Santa Rosa) Comment
  UC876398  Arctostaphylos densiflora Milo S. Baker 1933-3-18 7330 Sonoma near Vine Hill School House (10 mi w of Santa Rosa) Comment
  UC909866  Arctostaphylos densiflora J. E. Adams 1934-3-28 713 Sonoma Vine Hill School Sta. Rosa Comment
  UC909875  Arctostaphylos densiflora J. E. Adams 1934-3-28 722 Sonoma Vine Hill School Sta. Rosa Comment
  UCD50797  Arctostaphylos densiflora Roman Gankin 1966-3-3 693 Sonoma Vine Hill School Road, ca. 10 miles west of Santa Rosa. Comment
  UCD50799  Arctostaphylos densiflora Roman Gankin; W. R. Hidlreth 1967-10-3 1070 Sonoma Along Vine Hill School Road, ca. 1/2 mile east of Vine Hill Road. Comment
  UCD50800  Arctostaphylos densiflora Roman Gankin 1966-3-3 693 Sonoma Vine Hill School Road, ca. 10 miles west of Santa Rosa. Comment
  UCD50801  Arctostaphylos densiflora Charles B. Heiser Jr. 1946-5-19 1745 Sonoma Vine Hill, W of Santa Rosa Comment
  UCD50802  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma Vine Hill School Road, 0.1 mile east of juncture with Vine Hill Road. Comment
  UCD50803  Arctostaphylos densiflora Chas. Lamoureux; Lalit Srivastava and Roman Gankin 1947-11-1 248 Sonoma On Vine Hill School Road, 0.1 mile east of juncture with Vine Hill Road. Comment
  UCD50804  Arctostaphylos densiflora L. Whitney 1932-4-1 Sonoma Santa Rosa. Vine Hill. Comment
  UCD50805  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma Vine Hill School Road, 0.1 mile east of junction with Vine Hill Road, ca. 10 miles west of Santa Rosa. Comment
  UCSB23053  Arctostaphylos densiflora McMinn, Howard 1936-4-5 Sonoma Just west of Vine Hill School, 16 miles west of Santa Rosa Comment
  CAS-BOT-BC23277  Arctostaphylos glandulosa subsp. cushingiana H. F. Copeland 1933-3-18 A 10 Sonoma Vine Hill region west of Santa Rosa. Comment
  CAS-BOT-BC23278  Arctostaphylos glandulosa subsp. cushingiana H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  UC424816  Arctostaphylos glandulosa subsp. glandulosa unknown 1930-3-1 3881 Sonoma along hwy. region by Frei Bros. Ranch Vine Hill Comment
Read comments
Jun 14 2011
  A350526  Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Unknown Pitkin Ranch, 10 miles west of Santa Rosa Comment
  GH350534  Arctostaphylos manzanita F. W. Gould 1940-2-18 867 Unknown Pitkin ranch, 10 miles west of Santa Rosa 45 Comment
  GH350549  Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Unknown Pitkin Ranch, 10 miles west of Santa Rosa Comment
  SEINET2029878 Image available Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 miles west of Santa Rosa Comment
  UC1614286  Arctostaphylos manzanita Charles M. Belshaw 1936-3-7 1560 Sonoma 1/4 mi w of Trenton Comment
  UCD51969  Arctostaphylos manzanita Roman Gankin 1957-11-1 248 Sonoma Vine Hill School Road; 0.1 mile east of junction with Vine Hill Road; ca. 10 miles west of Santa Rosa. Comment
  UCD51990  Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch; 10 miles west of Santa Rosa. Comment
  UCD52226  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1072 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  UCD52228  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1069 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  UCD52230  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1068 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  UCD52232  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1067 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  UCD52233  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1066 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  CAS-BOT-BC38652  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5779 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38653  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5776 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38684  Arctostaphylos manzanita subsp. manzanita Roman Gankin 1957-11-1 248 Sonoma Vine Hill Shcool Road, .1 mile east of junction with Vine Hill road, ca. 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38688  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5774 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38691  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Dry, open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38698  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1940-2-18 867 Sonoma Pitkin ranch, 10 miles west of Santa Rosa 45 Comment
  CAS-BOT-BC38699  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa Comment
  CAS-BOT-BC38700  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 10 Sonoma Vine Hill region, west of Santa Rosa Comment
  CAS-BOT-BC38701  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-2-28 55006 Sonoma Vine Hill, 9 mi. W. of Santa Rosa Comment
  CAS-BOT-BC38709  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38710  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue highway, near Santa Rosa Comment
  CAS-BOT-BC38713  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1952-3-22 870 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38714  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38716  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-2-14 55000 Sonoma Forestville 22 Comment
  CAS-BOT-BC38717  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-3-9 3899 a Sonoma Vine Hill district on Frei Bros. Ranch Comment
  CAS-BOT-BC38718  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5775 Sonoma Vine Hill district, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38722  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College avenue Highway, near Santa Rosa Comment
  CAS-BOT-BC38724  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1928-4-18 2961 Sonoma Vine Hill Region Comment
  CAS-BOT-BC38744  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-4-1 5044 Sonoma Vine Hill Region Comment
  CAS-BOT-BC38745  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1929-2-22 3398 b Sonoma Near Vine Hill school house Comment
  CAS-BOT-BC38882  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5772 Sonoma Vine Hill District, 10 miles west of Santa Rosa. Comment
  RSA70838  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  RSA70859  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue Highway, near Santa Rosa. Comment
  SBBG28821  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  SBBG39486  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1970-2-27 70007 Sonoma Vine Hill School Rd 76 Comment
  SBBG60025  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC1121475  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 835 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1121476  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 832 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1121477  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 833 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1121478  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 834 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1281098  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1936-4-5 4410 Sonoma along road just w Vine Hill School House Comment
  UC726694  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1941-6-4 16161 Sonoma on the Gurneville Road about 2 mi n Graton Comment
  RSA13419  Arctostaphylos patula H. F. Copeland 1933-3-18 A- 13 Sonoma Vine Hill region on College Avenue Highway, near Santa Rosa. Comment
  CAS-BOT-BC43875  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5771 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC47341  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5777 Sonoma Vine Hill District, 10 mi. w. of Santa Rosa. Comment
  UC1614287  Arctostaphylos stanfordiana Charles M. Belshaw 1936-3-7 1559 Sonoma 1/4 mi w of Trenton Comment
  POM181015  Arctostaphylos stanfordiana subsp. stanfordiana J. T. Howell 1931-3-14 5771 Sonoma Vine Hill District Comment
  POM209633  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  RSA13420  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  CAS-BOT-BC400487  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi. east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road Comment
  CAS-BOT-BC400488  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi. east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road Comment
  RSA302214  Aristolochia californica Jim Shevock 1971-1-30 626 Sonoma Along Russian River Comment
  RSA534491  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road (same station as #9735). Comment
  RSA534493  Aristolochia californica Peter Rubtzoff 1986-8-31 9735 Sonoma Off Summerhome Park Road 0.2 mile W of Forest HIlls Road. Comment
  CAS-BOT-BC176376  Artemisia douglasiana Peter Rubtzoff 1958-8-17 3892 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC90487  Artemisia douglasiana Peter Rubtzoff 1951-9-2 699 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC90493  Artemisia douglasiana Peter Rubtzoff 1951-9-2 699 Sonoma Southern half of Lower Marsh Comment
  UCR280151  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh, slope of Green Valley Road 164 Comment
  UCR254852  Arum italicum Greg de Nevers 1998-5-20 11254 Sonoma North Coast Range, Mark West Creek on Cresta Ranch Comment
  CAS-BOT-BC400604  Asarum caudatum Peter Rubtzoff 1951-6-17 284 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC400605  Asarum caudatum Peter Rubtzoff 1951-6-17 284 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC400606  Asarum caudatum Peter Rubtzoff 1951-11-24 839 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UCD84821  Asclepias cordifolia Nellie Coffey 1931-3-31 s.n. Solano Green Valley. Comment
  CAS-BOT-BC157676  Asteraceae Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC164697  Asteraceae Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC66148  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-11-24 843 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66149  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66150  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66153  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66154  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66155  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma northern half of Lower Marsh; Pitkin Marsh near Forestville Comment
  CAS-BOT-BC66156  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  UC1042437  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-11-24 843 Sonoma near Forestville (n 1/2 of Lower Marsh); Pitkin Marsh Comment
  UCD114253  Athysanus pusillus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  UCR248352  Atriplex prostrata Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Gratton (0.5 mi. north of Guerneville Road) 27 Comment
  CAS-BOT-BC227671  Avena Peter Rubtzoff 1980-5-26 9450 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  UCD163888  Avena Peter Rubtzoff 1980-5-26 9450 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  RSA785846  Avena fatua Peter Rubtzoff 1980-5-26 9450 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville. Comment
  GH32753  Azalea occidentalis J. M. Bigelow 1854-5-1 Unknown Laguna de Santa Rosa Comment
  CAS-BOT-BC68343  Azolla filiculoides Peter Rubtzoff 1955-4-30 1812 Sonoma Forestville Marsh Comment
  CAS-BOT-BC68344  Azolla filiculoides Peter Rubtzoff 1960-5-29 4424 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC68345  Azolla filiculoides Peter Rubtzoff 1951-8-4 574 A Sonoma Pitkin Marsh, near Forestville - Northern half of Lower Marsh Comment
  CAS-BOT-BC154150  Baccharis douglasii Peter Rubtzoff 1974-8-4 7798 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC154153  Baccharis douglasii Peter Rubtzoff 1974-8-4 7797 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC98647  Baccharis douglasii Peter Rubtzoff 1951-8-4 575 Sonoma Pitkin Marsh, near Forestville - open area between the Upper and the Lower marshes. Comment
  CAS-BOT-BC98798  Baccharis douglasii Peter Rubtzoff 1951-8-4 581 Sonoma Pitkin Marsh, near Forestville - south of the Upper Marsh Comment
  JEPS81900  Baccharis glutinosa Roger Raiche 1982-8-22 20701 Sonoma canyon running through Vine Hill Vine Hill 213 Comment
Read comments
Oct 17 2013
  CAS-BOT-BC99593  Baccharis pilularis Peter Rubtzoff 1951-11-24 846 Sonoma open area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC99594  Baccharis pilularis Peter Rubtzoff 1951-11-24 846 Sonoma open area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  GH386899  Baccharis salicifolia A. A. Heller & H. E. Brown 1902-4-18 5327 Unknown Near Windsor Comment
  CAS-BOT-BC173596  Barbarea Peter Rubtzoff 1989-4-20 9989 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC173600  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC173609  Barbarea Peter Rubtzoff 1989-3-13 9981 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC344920  Barbarea Peter Rubtzoff 1989-6-10 10002 Sonoma Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC354310  Barbarea Peter Rubtzoff 1989-6-10 10003 Unknown Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC354311  Barbarea Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC354312  Barbarea Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC354326  Barbarea Peter Rubtzoff 1989-6-10 10006 Sonoma Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  RSA796694  Barbarea Peter Rubtzoff 1989-3-13 9981 Sonoma Near Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  UCD163789  Barbarea Peter Rubtzoff 1989-3-13 9981 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCD163790  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16694  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville. Forest south of the Upper Marsh. Comment
  CAS-BOT-BC16695  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville. Forest south of the Upper Marsh. Comment
  UCR255939  Barbarea orthoceras Peter Rubtzoff 1989-6-10 10002 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  UCR254890  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10006 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  UCR255700  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  UCR255701  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  CAS-BOT-BC145826  Beckmannia syzigachne Peter Rubtzoff 1958-8-16 3876 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC145827  Beckmannia syzigachne Peter Rubtzoff 1960-6-25 4513 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville roads. Comment
  CAS-BOT-BC145829  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Sonoma West of Windsor near Russian River. Comment
  CAS-BOT-BC145831  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Sonoma West of Windsor near Russian River. Comment
  CAS-BOT-BC145838  Beckmannia syzigachne Peter Rubtzoff 1961-6-25 4656 Sonoma Laguna de Santa Rosa near Trenton. Comment
  CAS-BOT-BC145841  Beckmannia syzigachne Peter Rubtzoff 1955-5-7 1817 Sonoma Ross Marsh. Comment
  CAS-BOT-BC145842  Beckmannia syzigachne Peter Rubtzoff 1955-5-14 1834 Sonoma Ross Marsh. Comment
  GH341487  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Unknown West of Windsor near Russian river Comment
  POM206250  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC102051  Bidens cernua Peter Rubtzoff 1952-10-26 1333 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  CAS-BOT-BC102052  Bidens cernua Peter Rubtzoff 1951-9-15 760 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  CAS-BOT-BC102053  Bidens cernua Peter Rubtzoff 1951-9-15 760 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh Comment
  CAS-BOT-BC290551  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  CAS-BOT-BC290560  Bidens frondosa Peter Rubtzoff 1958-9-20 3995 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  CAS-BOT-BC290660  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC290718  Bidens frondosa Peter Rubtzoff 1968-9-21 5984 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC290719  Bidens frondosa Peter Rubtzoff 1960-6-25 4509 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC290723  Bidens frondosa Peter Rubtzoff 1960-9-14 4528 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  JEPS26041  Bidens frondosa Lewis S. Rose 1960-9-14 60092 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 Comment
  SJSU6039  Bidens frondosa C. W. Sharsmith 1972-6-24 7811 Sonoma Laguna de Santa Rosa N of Sebastopol, E of Graton Comment
  UCR248911  Bidens frondosa Peter Rubtzoff 1968-9-21 5984 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCR248930  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCR250037  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton, 0.5 mi north of Guerneville Road 20 Comment
  JEPS54478  Bidens laevis Rimo Bacigalupi 1967-8-30 9311 Sonoma in central part of upper Pitkin Marsh (just below (s of) confluence of two upper (n) arms, very close to) 45 Comment
  UCR248951  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  UCR248952  Bidens laevis Peter Rubtzoff 1967-8-30 5874 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  UCR248962  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa, northeast of Gratton 24 Comment
  UCR250392  Bidens laevis Peter Rubtzoff 1958-9-27 4015 Sonoma Laguna de Santa Rosa, northeast of Graton, 0.5 mi north of Guerneville Road 20 Comment
  CAS-BOT-BC154965  Boisduvalia densiflora Peter Rubtzoff 1960-9-14 4544 Sonoma Laguna de Santa Rosa, E of Graton (btwn. Occidental & Guerneville Roads) Comment
  CAS-BOT-BC154976  Boisduvalia densiflora Peter Rubtzoff 1960-9-14 4556 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  CAS-BOT-BC154972  Boisduvalia glabella Peter Rubtzoff 1963-7-27 5212 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC154977  Boisduvalia glabella Peter Rubtzoff 1963-7-14 5202 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  POM32022  Boisduvalia glabella A. A. Heller 1902-6-27 5784 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC28176  Bolboschoenus fluviatilis Peter Rubtzoff 1958-7-5 3728 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  CAS-BOT-BC28177  Bolboschoenus fluviatilis Peter Rubtzoff 1961-9-20 4758 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road crossing. Comment
  CAS-BOT-BC28222  Bolboschoenus fluviatilis Peter Rubtzoff 1966-7-4 5772 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Rd. Comment
  CAS-BOT-BC28224  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-11 3656 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  CAS-BOT-BC28225  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-31 3684 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  SJSU6088  Bolboschoenus fluviatilis C. W. Sharsmith 1972-6-24 7808 Sonoma Laguna de Santa Rosa, N of Sebastopol, E of Graton Comment
  JEPS79509  Botrychium multifidum Edward Lee 1974-6-8 Sonoma Pitkin Marsh Comment
  UC1051640  Botrychium multifidum Peter Kamb, Francia Chisaki 1950-6-16 1866 Sonoma NW of Sebastopol (Pitkin Marsh, 1 mi N of Sousa Corners) Comment
  UC728870  Botrychium multifidum W. H. Wagner 1946-5-19 4332 Sonoma Pitkin Marshes Comment
  CAS-BOT-BC145480  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 2 miles southeast of Forestville. 30 Comment
  CAS-BOT-BC145482  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC145483  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. Comment
  GH341500  Briza maxima H. S. Yates 1936-5-16 5606 Unknown Sonoma County: two miles southeast of Forestville 30 Comment
  RSA126876  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 1 mile S.E. of Forestville 30 Comment
  RSA239698  Briza maxima Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1096 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  SJSU810  Briza maxima A. W. Jacobs 1943-5-15 Sonoma near Forestville Comment
Read comments
Sep 17 2008
  UC565401  Briza maxima G. Thomas Robbins 1937-6-5 223 Sonoma about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  UC727686  Briza maxima Milo S. Baker 1946-5-13 11389 Sonoma near Vine Hill School House Comment
  UC750805  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 Sonoma w Santa Rosa; Vine Hill Comment
  UCD57139  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 Sonoma Vine Hill, W of Santa Rosa Comment
  UCD57172  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 a Sonoma Vine Hill, W of Santa Rosa Comment
  CAS-BOT-BC145282  Briza minor Peter Rubtzoff 1955-5-21 1864 Sonoma Forestville Marsh. Bordering the marsh in teh south. Comment
  CAS-BOT-BC145288  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC145297  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  RSA239699  Briza minor Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1097 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UC1026486  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Lower Marsh Pitkin Marsh (northern half, near Forestville) Comment
  JEPS7638  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-21 7620 Sonoma Calhoun Ranch Windsor, Calhoun Ranch 30 Comment
  JEPS5696  Brodiaea leptandra W. L. Jepson 1918-6-21 7621 Sonoma Calhoun Ranch Windsor 30 Comment
  UC353798  Brodiaea terrestris subsp. terrestris Milo S. Baker 1928-4-28 3002 b Sonoma Pitkin Swamp Comment
  UC37619 Image available Bromus arizonicus H. N. Bolander 3985 Sonoma Mark West Creek Comment
  UC37742  Bromus arizonicus H. N. Bolander 1860-1 Sonoma Mark West Creek Comment
  UCD36682  Bromus carinatus Beecher Crampton 1955-6-17 2929 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  CAS-BOT-BC149051  Bromus carinatus var. carinatus Peter Rubtzoff 1952-5-31 1100 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC149100  Bromus carinatus var. carinatus Peter Rubtzoff 1952-5-31 1100 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Uppe Marsh from the eastern. Comment
  RSA127002  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 miles S. W. of Healdsburg 152 Comment
  CAS-BOT-BC155201  Bromus hordeaceus Peter Rubtzoff 1951-7-21 486 Sonoma Pitkin Marsh, near Forestville. Souther half of Lower Marsh. Comment
  CAS-BOT-BC155210  Bromus hordeaceus Peter Rubtzoff 1951-6-16 238 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC311801  Bromus hordeaceus Peter Rubtzoff 1958-7-5 3732 Sonoma Atascadero Creek Marsh. Comment
  UCD36681  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  UCR141958  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma North Coast Range, 1.6 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  CAS-BOT-BC352218  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville. Comment
  UCR254896  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC185411  Calamagrostis bolanderi Peter Rubtzoff 1951-6-10 194 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCR254900  Calamagrostis crassiglumis Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC352235  Calamagrostis neglecta var. inexpansa Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC185127  Calamagrostis nutkaensis Peter Rubtzoff 1952-5-21 1058 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC185128  Calamagrostis nutkaensis John Thomas Howell 1945-5-30 20901 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC185133  Calamagrostis nutkaensis Peter Rubtzoff 1952-5-21 1058 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC438601  Calandrinia ciliata Peter Rubtzoff 1959-4-18 4030 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing. Comment
  CAS-BOT-BC293757  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh. Comment
  UCD84813  Calochortus amabilis Nellie Coffey 1931-3-31 s.n. Solano Green Valley. Comment
  JEPS61686  Calochortus luteus W. L. Jepson 1918-6-23 7659 Sonoma e of Mark West Springs; Mark West Creek Comment
  UC1134484  Calochortus luteus H. S. Yates 1937-5-30 6546 Sonoma 4 mi nw Graton; Sebastopol Quad. 91 Comment
  UCD160374  Calochortus luteus Nellie Coffey 1931-3-31 s.n. Solano Green Valley. Comment
  CAS-BOT-BC181538  Caltha palustris Peter Rubtzoff 1955-5-21 1871 Sonoma Forestville Marsh Comment
  CAS-BOT-BC90992  Calycanthus occidentalis Peter Rubtzoff 1974-6-2 7529 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC90993  Calycanthus occidentalis Peter Rubtzoff 1980-5-26 9446 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC90994  Calycanthus occidentalis Peter Rubtzoff 1987-7-18 9798 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  GH376838  Calycanthus occidentalis P. Rubtzoff 1974-6-2 7529 Unknown Upper Green Valley Marsh Comment
  RSA534717  Calycanthus occidentalis Peter Rubtzoff 1980-5-26 9446 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville. Comment
  CAS-BOT-BC436453  Calystegia subacaulis John Thomas Howell 1955-6-2 30259 Sonoma Near Vine Hill School Comment
  UC1042507  Camassia quamash Peter Rubtzoff 1951-6-7 117 Sonoma uppermost part of the w branch of the upper Pitkin Marsh Forestville; Pitkin Marsh Comment
  CAS-BOT-BC266420  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CAS-BOT-BC266421  Campanula californica Peter Rubtzoff 1951-6-30 299 Sonoma The Pitkin Marsh near Forestville. W branch of the Upper Marsh Comment
  CAS-BOT-BC266427  Campanula californica Peter Rubtzoff 1951-6-30 299 Sonoma The Pitkin Marsh, near Forestville. W branch of the Upper Marsh Comment
  JEPS19404  Campanula californica G. Thomas Robbins 1938-6-23 269 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  JEPS54477  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (Pitkin Marsh, near e end of Templeton Road); Pitkin Marsh 45 Comment
  JEPS81953  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (near e end of Templeman Road); Pitkin Marsh 45 Comment
  UC1101477  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  UC353824  Campanula californica Milo S. Baker 1928-6-28 3046 b Sonoma Pitkin Marsh Vine Hill District Comment
  CAS-BOT-BC38029  Cardamine oligosperma Peter Rubtzoff 1959-4-19 4044 Sonoma Ross Marsh. Comment
  JEPS117069  Carex albida Peter Warner 2008-5-22 92 Sonoma Lower Pitkin Marsh, 1 mi SE of Forestville, on Sonoma Land Trust parcel, S of primary stream channel 44 Comment
  JEPS86341  Carex albida Jack and Betty Guggolz 1988-5-14 935 Sonoma n side of Pitkin Creek about 50 meters in from Hwy. 116; Rancho Molinos, Pitkin Creek Comment
  CAS-BOT-BC18141  Carex athrostachya Peter Rubtzoff 1958-5-17 3667 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC18147  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC18148  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC312673  Carex athrostachya Peter Rubtzoff 1973-8-27 s.n. Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320534  Carex athrostachya Peter Rubtzoff; Nancy Harrison 1974-7-13 7681 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC350809  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC422363  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh. Comment
  UCR137670  Carex barbarae Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  UCR249340  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh 71 Comment
  UCR249345  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC34024  Carex brevicaulis John Thomas Howell; J. W. Stacey 1937-6-6 13043 Sonoma Border Pitkin Marsh. Comment
  CAS-BOT-BC110183  Carex buxbaumii Peter Rubtzoff 1951-6-7 129 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC110184  Carex buxbaumii John Thomas Howell 1945-7-18 21327 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC110185  Carex buxbaumii Peter Rubtzoff 1952-5-10 1004 Sonoma Ptikin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  RSA52096  Carex buxbaumii J. T. Howell 1945-7-18 21327 Sonoma Pitkin Marsh Comment
  UC728661  Carex buxbaumii Milo S. Baker 1945-6-18 11109 Sonoma upper meadow, Pitkin Marsh Pitkin Marsh Comment
  CAS-BOT-BC34422  Carex cusickii Peter Rubtzoff 1951-7-14 434 Sonoma Pitkin Marsh near Forestville. Southern half of Lower Marsh. Comment
  CAS-BOT-BC34423  Carex cusickii Peter Rubtzoff 1951-7-14 434 Sonoma Pitkin Marsh near Forestville. Southern half of Lower Marsh. Comment
  CAS-BOT-BC34424  Carex cusickii Peter Rubtzoff 1951-6-10 189 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC34425  Carex cusickii John Thomas Howell; J. W. Stacey 1936-7-26 12683 Sonoma Pitkin Marsh. 5 miles north of Sebastopol. Comment
  RSA0031802  Carex cusickii Peter Rubtzoff 1962-5-25 4841 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  RSA0034194  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh. Comment
  UCR248864  Carex cusickii Peter Rubtzoff 1962-5-25 4841 Sonoma Laguna de Santa Rosa area, northeast of Gratton, near the Laguna Road 30 Comment
  UCR248870  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC18977  Carex densa John Thomas Howell 1938-7-3 13964 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC18981  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13040 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC18982  Carex densa Peter Rubtzoff 1951-6-9 162 Sonoma The Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC18983  Carex densa Peter Rubtzoff 1951-6-10 198 Sonoma The Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC20482  Carex densa John Thomas Howell 1945-5-30 20891 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20483  Carex densa Peter Rubtzoff 1951-6-16 264 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC20484  Carex densa Peter Rubtzoff 1951-6-10 206 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC20485  Carex densa Peter Rubtzoff 1952-5-31 1122 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC20486  Carex densa Peter Rubtzoff 1951-7-7 369 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh. Comment
  CAS-BOT-BC20487  Carex densa Peter Rubtzoff 1952-5-31 1106 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC20494  Carex densa Peter Rubtzoff 1960-6-9 4474 Sonoma Sonoma County Marshes. Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC20499  Carex densa Peter Rubtzoff 1959-4-18 4033 Sonoma Sonoma County Marshes. Laguna de Santa Rosa NE of Graton, ca. 0.5 mi. N of Guerneville Road crossing. Comment
  CAS-BOT-BC20512  Carex densa Peter Rubtzoff 1955-5-21 1860 Sonoma Sonoma County Marshes. Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC242641  Carex densa Peter Rubtzoff 1959-4-18 4033 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 mi. north of Guerneville Road crossing Comment
  CAS-BOT-BC242642  Carex densa Peter Rubtzoff 1955-5-21 1860 Sonoma Forestville Marsh. North facing slope bordering the marsh in the South Comment
  CAS-BOT-BC246549  Carex densa Peter Rubtzoff 1960-6-9 4474 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  RSA52006  Carex dudleyi J. T. Howell 1945-5-30 20891 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC19897  Carex echinata subsp. phyllomanica John Thomas Howell 1945-5-30 20892 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC19901  Carex echinata subsp. phyllomanica Peter Rubtzoff 1951-6-10 195 Sonoma The Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC290571  Carex echinata subsp. phyllomanica Peter Rubtzoff; Bacigalupi; Chuang; Heckard 1971-6-10 6536 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC329295  Carex exsiccata Peter Rubtzoff 1960-5-20 4396 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  UCR248916  Carex exsiccata Peter Rubtzoff 1959-4-18 4024 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  CAS-BOT-BC20137  Carex feta Peter Rubtzoff 1952-1-1 1093 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC20138  Carex feta Peter Rubtzoff 1951-7-7 370 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  UC1147821  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  UC727688  Carex feta Milo S. Baker 1946-5-13 11391 Sonoma s end of Pitkin Marsh Vine Hill Region Comment
  UC825094  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC20448  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  CAS-BOT-BC20449  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  CAS-BOT-BC20450  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  RSA52013  Carex globosa J. T. Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  SD72053  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  UC904940  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School Comment
  CAS-BOT-BC28360  Carex gracilior Peter Rubtzoff 1951-6-9 179 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC28361  Carex gracilior Peter Rubtzoff 1951-6-7 148 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper marsh. Comment
  CAS-BOT-BC28362  Carex gracilior Peter Rubtzoff 1951-6-10 205 Sonoma Pitkin Marsh, near Forestville. South of the Upper marsh. Comment
  CAS-BOT-BC28369  Carex gracilior Peter Rubtzoff 1955-4-30 1808 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC28373  Carex gracilior John Thomas Howell 1938-7-3 13966 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC422355  Carex gracilior Peter Rubtzoff 1959-4-18 4029 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 miles north of Guerneville Road crossing. Comment
  UC1026416  Carex gracilior Peter Rubtzoff 1951-6-16 12246 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  UC857  Carex gracilior H. N. Bolander April 1864 3814 Sonoma near Mark West Creek Comment
  UCR248728  Carex gracilior Peter Rubtzoff 1959-4-18 4029 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  CAS-BOT-BC21899  Carex harfordii John Thomas Howell 1945-5-30 20890 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC21902  Carex harfordii Peter Rubtzoff 1955-5-21 1859 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC21908  Carex harfordii Peter Rubtzoff 1951-6-10 199 Sonoma The Pitkin Marsh, near Forestville. Between the upper and the lower marshes. Comment
  CAS-BOT-BC21909  Carex harfordii Peter Rubtzoff 1955-5-21 1867 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC21910  Carex harfordii Peter Rubtzoff 1955-5-21 1857 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC21911  Carex harfordii Peter Rubtzoff 1952-5-10 1002 Sonoma The Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  CAS-BOT-BC350928  Carex laevicaulis Peter Rubtzoff 1951-9-2 724 a Sonoma Pitkin Marsh, near Forestville. Comment
  UCR254774  Carex laevicaulis Peter Rubtzoff 1951-9-2 724 A Sonoma Pitkin Marsh, near Forestville 47 Comment
  HSC7137  Carex lanuginosa J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31170  Carex lemmonii Milo S. Baker 1946-5-13 11392 Sonoma Marsh adjoining Pitkin Ranch on the North. Comment
  CAS-BOT-BC31171  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31172  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31173  Carex lemmonii John Thomas Howell 1945-5-30 20889 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31174  Carex lemmonii John Thomas Howell; J. W. Stacey 1936-7-26 12681 Sonoma Pitkin Marsh. 5 mi N of Sebastopol. Comment
  CAS-BOT-BC31176  Carex lemmonii Peter Rubtzoff 1974-6-8 7572 Sonoma Pitkin Marsh, near forestville. In the southern part of the Upper Marsh, Comment
  CAS-BOT-BC31177  Carex lemmonii Peter Rubtzoff 1951-6-7 140 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC31178  Carex lemmonii Peter Rubtzoff 1951-6-16 235 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC31179  Carex lemmonii Peter Rubtzoff 1951-6-16 260 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC31180  Carex lemmonii Peter Rubtzoff 1951-7-21 496 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh. Comment
  CAS-BOT-BC31181  Carex lemmonii Peter Rubtzoff 1951-6-16 256 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC32523  Carex lemmonii John Thomas Howell; John William Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC32524  Carex lemmonii John Thomas Howell; John William Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  SD72056  Carex lemmonii John Thomas Howell 1957-6-13 Sonoma Pitkin Marsh; shaded place in wet soil under azalea bushes. Comment
  UC1026419  Carex lemmonii Peter Rubtzoff 1951-7-8 403 Sonoma near Forestville (Pitkin Marsh, lower part of the upper marsh) Comment
  UC1100573  Carex lemmonii Herbert L. Mason 1946-7-4 12889 Sonoma Pitkin Marsh; between Santa Rosa and Forestville 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
  UC727759  Carex lemmonii Milo S. Baker 1946-5-13 11392 Sonoma on n Pitkin Ranch; Vine Hill Region, Pitkin Marsh Comment
  UC835699 Image available Carex lemmonii J. T. Howell and J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh; ; Pitkin Marsh, Sonoma Co. Comment
  UCD140473  Carex lemmonii John Thomas Howell 1957-6-13 s.n. Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31430  Carex leptopoda Peter Rubtzoff 1951-6-9 164 Sonoma Pitkin Marsh, near Forestville. Forest S of the Upper Marsh. Comment
  CAS-BOT-BC31431  Carex leptopoda Peter Rubtzoff 1951-6-17 273 Sonoma Pitkin Marsh, near Forestville. Forest S of the Upper Marsh. Comment
  UC1508  Carex nudata H. N. Bolander Apr 1864 3812 Sonoma Mark West Creek Comment
  CAS-BOT-BC119307  Carex obnupta John Thomas Howell; J. W. Stacey 1936-7-26 12676 Sonoma Pitkin Marsh, 5 mi N of Sebastopol. Comment
  CAS-BOT-BC119314  Carex obnupta Peter Rubtzoff 1951-8-4 582 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  CAS-BOT-BC119315  Carex obnupta Peter Rubtzoff 1951-6-10 208 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  SJSU8870  Carex obnupta C. W. Sharsmith 1972-6-24 7804 Sonoma Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol 48 Comment
  UC1042355  Carex obnupta Peter Rubtzoff 1951-6-9 165 Sonoma forest s Upper Marsh; Pitkin Marsh Comment
  CAS-BOT-BC119278  Carex ovalis Peter Rubtzoff 1951-6-17 265 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC119279  Carex ovalis Peter Rubtzoff 1952-3-23 883 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC119280  Carex ovalis Peter Rubtzoff 1951-7-7 378 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC119281  Carex ovalis Peter Rubtzoff 1952-5-10 1001 Sonoma Pitkin Marsh, near Forestville. Western Branch of the Upper Marsh. Comment
  CAS-BOT-BC119284  Carex ovalis Peter Rubtzoff 1955-5-21 1861 Sonoma Forestville Marsh. N-facing slope bordering the marsh in the South. Comment
  CAS-BOT-BC119286  Carex ovalis John Thomas Howell; J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC119289  Carex ovalis John Thomas Howell 1938-7-3 13965 Sonoma Pitkin Marsh Comment
  RSA107439  Carex ovalis L. S. Rose 1955-6-2 55060 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  UC1042356  Carex ovalis Peter Rubtzoff 1951-6-16 232 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC119250  Carex pachystachya Peter Rubtzoff 1951-6-7 112 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC118938  Carex pellita Peter Rubtzoff 1952-5-21 1059 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  CAS-BOT-BC118939  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  CAS-BOT-BC118940  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  CAS-BOT-BC118941  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC118942  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  POM230033  Carex pellita J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  RSA51977  Carex pellita J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  UC1147827  Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  UC826685  Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  UCR248937  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC26246  Carex sonomensis John Thomas Howell; J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC26247  Carex sonomensis John Thomas Howell; J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  GH27438  Carex sonomensis J. T. Howell & J. W. Stacey 1937-6-6 13042 Unknown Pitkin Marsh Comment
  NY11335  Carex sonomensis T. J. Howell 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC117341  Carex stipata Peter Rubtzoff 1951-6-7 143 Sonoma Pitkin marsh, near Forestville. Branch of the Upper marsh. Comment
  CAS-BOT-BC329280  Carex stipata Peter Rubtzoff 1955-5-14 1838 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC329282  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC329283  Carex stipata Peter Rubtzoff 1960-6-9 4483 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  RSA122765  Carex stipata H. S. Yates 1936-5-16 5604 Sonoma Pitkin Marsh, 2 miles southeast of Forestville. 30 Comment
  RSA244331  Carex stipata Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1087 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  CAS-BOT-BC117355  Carex stipata var. stipata Peter Rubtzoff 1951-6-30 306 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC117356  Carex stipata var. stipata Peter Rubtzoff 1951-6-10 190 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC117357  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13039 Sonoma Pitkin Marsh Comment
  UC1133459  Carex stipata var. stipata H. S. Yates 1936-5-16 5604 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quadrangle Comment
  UCR248867  Carex stipata var. stipata Peter Rubtzoff 1955-5-14 1838 Sonoma Forestville Marsh 71 Comment
  UCR248924  Carex stipata var. stipata Peter Rubtzoff 1960-6-9 4483 Sonoma Laguna de Santa Rosa area, northeast of Graton, near the Laguna Road 30 Comment
  CAS-BOT-BC116786  Carex subbracteata var. subbracteata Peter Rubtzoff s.n. Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  CAS-BOT-BC115824  Carex subfusca Peter Rubtzoff 1951-9-2 701 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh, near the edge of a thicket. Comment
  CAS-BOT-BC115832  Carex subfusca Peter Rubtzoff 1959-4-18 4034 Sonoma Laguna de Santa Rosa NE of Graton, ca. 0.5 mi N of Guerneville Road crossing. Comment
  CAS-BOT-BC329287  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 miles north of Guerneville Road crossing. Comment
  RSA0035352  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 miles north of Guerneville Road crossing. Comment
  UC1123  Carex tumulicola H. N. Bolander Apr. 1864 3821 Sonoma Mark West Creek Comment
  UC1125  Carex tumulicola H. N. Bolander April 1864 3819 Sonoma Mark West Creek Comment
  UCR248871  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  SJSU8871  Carex utriculata C. W. Sharsmith 1972-6-24 7805 Sonoma Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol Comment
  UC2030916  Carex utriculata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville Comment
  UC589968  Carex vesicaria var. major H. S. Yates 1936-5-17 5632 Sonoma 2 mi ne Graton; Sebastopol Quadrangle 30 Comment
  JEPS15564  Castilleja ambigua subsp. ambigua Peter Kamb and Francia Chisaki 1950-6-16 1859 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  JEPS20321  Castilleja ambigua subsp. ambigua Lewis S. Rose 1955-6-2 55057 Sonoma 10 mi w Santa Rosa (w of Vine Hill Road); Pitkin Marsh 30 Comment
  JEPS22230  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6361 Sonoma n of Sebastopol (ground above Pitkin Marsh); Vine Hill Region 60 Comment
  JEPS22231  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with members of Dr. Herbert G. Baker's class 1958-5-24 6361 Sonoma n of Sebastopol (ground above Pitkin Marsh); Vine Hill Region 60 Comment
  JEPS66220  Castilleja ambigua subsp. ambigua T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6901 Sonoma Pitkin Marsh Comment
  JEPS66221  Castilleja ambigua subsp. ambigua T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6897 Sonoma e of Graton; Laguna de Santa Rosa Comment
  JEPS74987  Castilleja ambigua subsp. ambigua T. I. and F. M. Chuang 1975-7-5 7518 Sonoma s side Pitkin Marsh Comment
  RSA107433  Castilleja ambigua subsp. ambigua L. S. Rose 1955-6-2 55057 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  RSA239766  Castilleja ambigua subsp. ambigua Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1084 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  SDSU10837  Castilleja densiflora D. F. Howe 1972-6-27 4843 Sonoma Near Pitkin Marsh. Comment
  SD88505  Castilleja densiflora subsp. densiflora Darley F. Howe 1972-6-27 Sonoma Near Pitkin Marsh Comment
  JEPS66231  Castilleja miniata subsp. miniata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6903 Sonoma about south-central Pitkin Marsh (near end of Templeton Road); , about south-central Comment
Read comments
Oct 15 2010
  UC1063395  Castilleja rubicundula subsp. lithospermoides H. S. Yates 1937-5-30 6547 Sonoma 4 mi nw Graton; Sebastopol Quad. 91 Comment
  CAS-BOT-BC241090  Castilleja uliginosa Hans Leschke 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC241091  Castilleja uliginosa Peter Rubtzoff; L. R. Heckard 1971-6-10 6534 Sonoma Pitkin Marsh, near Forestville. Near the southern end of the upper part of the marsh Comment
  CAS-BOT-BC32577  Castilleja uliginosa John Thomas Howell 1937-6-6 13031 Sonoma Pitkin Marsh Comment
  JEPS19386  Castilleja uliginosa G. Thomas Robbins 1937-6-5 218 Sonoma about 10 mi w Santa Rosa (marsh on Pitkin Ranch); Vine Hill Region Comment
  JEPS4858  Castilleja uliginosa Herbert L. Mason 1946-7-4 12892 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  UC1191869  Castilleja uliginosa Herbert L. Mason 1946-7-4 12892 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  JEPS42276  Ceanothus H. L. Mason 1931-3-8 Sonoma 8 mi w Santa Rosa (between Santa Rosa and Guerneville, near Vine Hill School) Comment
  JEPS83712  Ceanothus confusus R. Raiche 1988-3-28 80020 Sonoma e Guerneville (e end of Gilder Ridge and just w of Wohler Bridge); Mt. Jackson area Comment
  CHSC39450  Ceanothus foliosus B. A. Stein; B. Shumacher 1981-3-7 445 Sonoma Vine Hill School Rd. 45 Comment
  GH349313  Ceanothus foliosus J. T. Howell 1931-3-14 5780 Unknown Vine Hill District, 10 miles west of Santa Rosa Comment
  UC1614284  Ceanothus foliosus Charles M. Belshaw 1936-3-7 1569 A Sonoma just east of Trenton (turn off to Vine Hill School); Forest Hill Road Comment
  UC579345  Ceanothus foliosus C. M. Belshaw 1936-3-7 1569 Sonoma Vine Hill Sebastopol quad. Comment
  UC608222  Ceanothus foliosus A. E. Wieslander 1938-4-14 721 Sonoma 1 mi s Trenton (road side.); Sebastopol quad. 83 Comment
  CAS-BOT-BC64417  Ceanothus foliosus subsp. vineatus John Thomas Howell 1931-3-14 5780 Sonoma Vine Hill District, 19 mi. w. of Santa Rosa. Comment
  CAS-BOT-BC64418  Ceanothus foliosus subsp. vineatus John Thomas Howell 1945-5-30 20912 Sonoma Vine Hill School. Topotype. Comment
  CAS-BOT-BC64420  Ceanothus foliosus subsp. vineatus Walter Knight; Irja Knight 1963-11-21 415 Sonoma Vine Hill School Rd. Comment
  CAS-BOT-BC64421  Ceanothus foliosus subsp. vineatus Milo S. Baker 1946-4-29 11355 Sonoma Vine Hill region along College Ave. hwy. Comment
  CAS-BOT-BC64422  Ceanothus foliosus subsp. vineatus W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School rd., ca. 1/2 mi. e. of Vine Hill Road. Comment
  UC1254089  Ceanothus foliosus var. foliosus J. A. Delapp 1964-3-20 72 Sonoma Black Mountain 487 Comment
  JEPS49157  Ceanothus foliosus var. vineatus Robert Anderson 1967-4-9 Sonoma e Forestville (Vine Hill district); Vine Hill district 60 Comment
  RSA107848  Ceanothus foliosus var. vineatus L. S. Rose 1955-6-2 s.n. Sonoma Junction of Vine Hill and School Roads, 10 miles west of Santa Rosa. 46 Comment
  RSA122536  Ceanothus foliosus var. vineatus C. M. Belshaw 1936-3-7 1569 Sonoma Vine Hill. Comment
  RSA164633  Ceanothus foliosus var. vineatus Percy C. Everett 1963-11-21 24563 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  RSA177943  Ceanothus foliosus var. vineatus Robert F. Thorne 1965-4-19 34318 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  RSA25831  Ceanothus foliosus var. vineatus Carl B. Wolf 1941-7-17 11023 Sonoma 100 yards west of the Vine Hill School, Vine Hills Dist. north of Sebastapol. 46 Comment
  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
  UCD112131  Ceanothus foliosus var. vineatus Roman Gankin; W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School Road, 1/2 mile east of Vine Hill Road. Comment
  UCD112132  Ceanothus foliosus var. vineatus Ray Prag 1970-6-9 s.n. Sonoma Vine Hill School Road, 3/4 mile east of Vine Hill Road. Comment
  UCD112133  Ceanothus foliosus var. vineatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  A349354  Ceanothus gloriosus var. exaltatus J. T. Howell 1931-7-15 6694 Unknown Vine Hill District, 9 miles west of Santa Rosa Comment
  A349355  Ceanothus gloriosus var. exaltatus J. T. Howell 1931-3-14 5781 Unknown Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC32736  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-3-14 5781 Sonoma Vine Hill District, 10 miles W of Santa Rosa Comment
  CAS-BOT-BC32737  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6694 Sonoma Vine Hill District, 9 miles W of Santa Rosa Comment
  CAS-BOT-BC32738  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6694 Sonoma Vine Hill District, 9 miles W of Santa Rosa Comment
  CAS-BOT-BC32739  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-3-14 5781 Sonoma Vine Hill District, 10 miles W of Santa Rosa Comment
  CAS-BOT-BC49947  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6693 Sonoma Arroyos, Vine Hill district, 9 miles west of Santa Rosa Comment
  CAS-BOT-BC49949  Ceanothus gloriosus var. exaltatus Milo S. Baker 1931-6-4 6236 Sonoma Vine Hill Region Comment
  GH349351  Ceanothus gloriosus var. exaltatus H. L. Mason 1931-3-7 5802 Unknown Vine Hill School, 12 miles west of Santa Rosa Comment
  UC604114  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 164 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  UC604115  Ceanothus gloriosus var. exaltatus Leo Koch 1938-3-30 72 Sonoma Santa Rosa Junior College Campus. Beside north entrance. Vine Hill region Comment
  UC725659  Ceanothus gloriosus var. exaltatus A. A. Heller 1942-3-15 16400 Sonoma Vine Hill region on the Eastwest road below the Vine Hill School. Comment
  UC728639  Ceanothus gloriosus var. exaltatus Milo S. Baker Mar 1928 2736 b Sonoma near Frei Ranch, Forestville. Comment
  UC870564  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 165 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  UC912378  Ceanothus gloriosus var. exaltatus Herbert L. Mason 1931-3-7 5802 Sonoma Vine Hill School, 12 miles west of Santa Rosa. Comment
  UC912383  Ceanothus gloriosus var. exaltatus Herbert L. Mason 1931-3-7 5801 Sonoma Vine Hill School, 12 miles west of Santa Rosa. Comment
  UCD112154  Ceanothus gloriosus var. exaltatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  UCD112155  Ceanothus gloriosus var. exaltatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill district, Santa Rosa. Comment
  UC1254088  Ceanothus parryi J. A. Delapp 1964-4-30 74 Sonoma Near Black Mountain Comment
  GH425153  Ceanothus purpureus H. L. Mason 1931-3-8 Unknown Betw. Santa Rosa and Guerneville, 8 mi. w. of Santa Rosa, on ridge beyond slough, near Vine Hill School Comment
  UC1026472  Cerastium glomeratum Peter Rubtzoff 1952-5-10 1012 Sonoma Pitkin Marsh near Forestville (lower part of Upper Marsh); Pitkin Marsh Comment
  UCD98062  Cerastium glomeratum Peter Rubtzoff 1951-6-16 241 Sonoma Pitkin Marsh, near Forestville. Western branch of upper marsh. Comment
  CAS-BOT-BC400232  Ceratophyllum demersum Peter Rubtzoff 1962-10-23 5123 Sonoma Laguna de Santa Rosa area east of Graton, betw. Occidental and Guerneville roads Comment
  SD134007  Ceratophyllum demersum Peter Rubtzoff 1962-10-23 5123 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC178699  Chenopodiaceae Peter Rubtzoff 1976-9-25 8903 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC166918  Chenopodium Peter Rubtzoff 1968-8-31 5943 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166919  Chenopodium Peter Rubtzoff 1974-9-14 7892 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA2982  Chenopodium album Peter Rubtzoff 1962-6-21 4934 A. Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. 0 Comment
  JEPS54472  Chenopodium ambrosioides Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9317 Sonoma near Pitkin family farmhouse; Pitkin Marsh 53 Comment
  RSA201186  Chenopodium botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 miles E of Guerneville). Comment
  UCR279624  Cichorium intybus Peter Rubtzoff 1961-9-6 4727 Sonoma Laguna de Santa Rosa, northeast of Gratton 24 Comment
  CAS-BOT-BC164355  Citrullus lanatus Peter Rubtzoff 1976-9-25 8904 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCD84819  Clarkia concinna Nellie Coffey 1931-5-18 s.n. Solano Green Valley. Comment
  UCR222559  Clarkia concinna subsp. concinna George K. Helmkamp, E. A. Helmkamp 2010-6-5 16242 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
  JEPS43542  Clarkia gracilis subsp. sonomensis W. L. Jepson 1921-6-2 9296 Sonoma near Healdsburg (Calhoun Ranch); Russian River 30 Comment
  CAS-BOT-BC163149  Clarkia imbricata Peter Rubtzoff 1952-7-20 1308 Sonoma Pitkin Ranch, Nine Hill region Comment
  CAS-BOT-BC163150  Clarkia imbricata John Thomas Howell 1945-7-18 21315 Sonoma Dry slope bordering Pitkin Marsh Comment
  CAS-BOT-BC163151  Clarkia imbricata John Thomas Howell 1937-7-4 13084 Sonoma 5 miles north of Sebastopol Comment
  CAS-BOT-BC163152  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma Pitkin Ranch along path to marsh Comment
  CAS-BOT-BC163153  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13691 Sonoma At 4551 Vine Hill Road near Pitkin Marsh Comment
  CAS-BOT-BC32947  Clarkia imbricata Frank Harlan Lewis; Lewis, M. 1951-7-10 865 Sonoma Santa Rosa to Guerneville, 6230 Vine Hill Road Comment
  GH367719  Clarkia imbricata P. H. Raven & R. Snow 1958-7-23 13691 Unknown 4551 Vine Hill Road near Pitkin Marsh. Comment
  GH53902  Clarkia imbricata F. H. Lewis & M. E. Lewis 1951-7-10 865 Unknown Santa Rosa to Guerneville, 6230 vine Hill Road Comment
  JEPS79261  Clarkia imbricata L. R. Heckard 1980-7-4 5405 Sonoma ca. 2 mi ne Graton (at 4851 Vine Hill Road (Schwartz property)) Comment
  LA206097  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville Comment
  LA30762  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13692 Sonoma at 4551 Vine Hill Road, near Pitkin Marsh Comment
  LA87839  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville Comment
  RSA108400  Clarkia imbricata Harlan Lewis, M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville; 6230 Vine Hill road Comment
  SD51807  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  SD51810  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  UC1018288 Image available Clarkia imbricata H. Lewis and M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville 6230 Vine Hill Road; Santa Rosa to Guerneville, Vine Hill Road, Sonoma Co. Comment
  UC1238040  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma near Pitkin Marsh (near, at 4551 Vine Hill Road, very near type locality) Comment
  UC728606  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma along path to <Pitkin> marsh; Pitkin Ranch Comment
  CAS-BOT-BC163466  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1955-6-3 30260 Sonoma Near Vine Hill School Comment
  CAS-BOT-BC439407  Claytonia gypsophiloides A. A. Heller; H. E. Brown 1902-3-16 5073 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC439408  Claytonia gypsophiloides A. A. Heller 1902-3-16 5073 Sonoma Near Trenton Comment
  UC66143  Claytonia gypsophiloides A. A. Heller 1902-3-16 Sonoma near Trenton Comment
  CAS-BOT-BC439636  Claytonia parviflora subsp. parviflora A. A. Heller; H. E. Brown 1902-3-16 5077 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC439956  Claytonia perfoliata subsp. mexicana A. A. Heller; H. E. Brown 1902-3-16 5077 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC92749  Clematis ligusticifolia Peter Rubtzoff 1970-8-31 6349 Sonoma Along bank of Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC288914  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC288915  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC288916  Conyza canadensis Peter Rubtzoff 1986-9-28 9753 Sonoma Russian River at Forest Hills, 55 miles E of Guerneville Comment
  CAS-BOT-BC209723  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Along the river off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road Comment
  CAS-BOT-BC290613  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  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
  UCR244638  Cornus Peter Rubtzoff 1973-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road 164 Comment
  CAS-BOT-BC212285  Cornus glabrata Peter Rubtzoff 1952-5-31 1105 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC212286  Cornus glabrata Peter Rubtzoff 1952-5-31 1105 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC212287  Cornus glabrata Peter Rubtzoff 1952-5-31 1112 Sonoma South of the Upper Pitkin Marsh near Forestville Comment
  CAS-BOT-BC212288  Cornus glabrata Peter Rubtzoff 1960-5-29 4420 Sonoma Laguna de Santa Rosa near Trenton south of Woolsey Road Comment
  CAS-BOT-BC212290  Cornus glabrata Peter Rubtzoff 1951-6-7 109 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  RSA223352  Cornus glabrata Peter Rubtzoff 1958-8-9 3861 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  RSA295092  Cornus glabrata Robert A. Norris, John L. Inase, Allen Nakagawa, B. Norris 1981-6-27 4206 Sonoma Trenton Rd., just S of and Paralleling River Rd. (near N part of Laguna de Santa Rosa), approx. halfway between Guerneville and Santa Rosa. Below 50ft. 15 Comment
  CAS-BOT-BC210428  Cornus sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC210429  Cornus sericea Peter Rubtzoff 1951-7-22 534 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC210433  Cornus sericea Peter Rubtzoff 1951-7-22 534 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC210440  Cornus sericea John Thomas Howell 1945-7-18 21317 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC210441  Cornus sericea John Thomas Howell 1937-6-6 13036 Sonoma Pitkin Marsh Comment
  RSA800124  Cornus sericea Peter Rubtzoff 1970-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road bank bordering the marsh. Comment
  UCD117098  Cornus sericea subsp. occidentalis Peter Rubtzoff 1951-6-16 213 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCR248518  Cornus sericea subsp. occidentalis Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road 13 Comment
  UC1042524  Cornus sericea subsp. sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh near Forestville (uppermost part of w. branch of Upper Marsh) Comment
  RSA239697  Cornus stolonifera Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1094 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Rd. west of Santa Rosa. Comment
  RSA105374  Cotula australis Mrs Huffine 1932-5-8 5898 Sonoma Vine Hill Region Comment
  CAS-BOT-BC290297  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  A346876  Crataegus douglasii J. T. Howell & J. W. Stacey 1936-7-26 12868 Unknown Pitkin Marsh, 5 miles north of Sebastopol Comment
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Oct 26 2018
  CDA25821  Crataegus douglasii T. C. Fuller 1958-5-24 3995 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC143502  Crataegus gaylussacia Peter Rubtzoff 1958-5-4 3628 Sonoma Forestville Marsh Comment
  CAS-BOT-BC143503  Crataegus gaylussacia Peter Rubtzoff 1958-8-16 3885 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC143505  Crataegus gaylussacia Peter Rubtzoff 1958-5-4 3628 Sonoma Forestville Marsh Comment
  CAS-BOT-BC143510  Crataegus gaylussacia Peter Rubtzoff 1958-8-16 3885 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  RSA239727  Crataegus suksdorfii Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1092 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  UCD116890  Crocanthemum scoparium Charles B. Heiser Jr. 1946-5-19 1744 Sonoma Vine Hill, W of Santa Rosa Comment
  UC750804  Crocanthemum scoparium var. scoparium Charles B. Heiser Jr. 1946-5-19 1744 Sonoma w Santa Rosa; Vine Hill Comment
  UC1299210  Crocanthemum scoparium var. vulgare Freed W. Hoffman 1947-7-30 1412 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Comment
  CAS-BOT-BC190102  Crypsis schoenoides Peter Rubtzoff 1960-9-17 4572 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC190146  Crypsis schoenoides Peter Rubtzoff 1987-9-27 9855 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC190148  Crypsis schoenoides Peter Rubtzoff 1958-9-27 4008 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  RSA227233  Crypsis schoenoides Peter Rubtzoff 1963-9-21 5269 Sonoma Laguna de Santa Rosa east of Graton. Comment
  GH355646  Crypsis vaginiflora P. Rubtzoff 1958-8-16 3869 Unknown Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  UC24715  Cryptantha intermedia H. N. Bolander Apr 1864 3817 Sonoma Mark West Creek Comment
  UCD164605  Cuscuta campestris Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC182774  Cuscuta pentagona Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA786666  Cuscuta pentagona Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC320510  Cynodon Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC190301  Cynodon dactylon Peter Rubtzoff 1955-7-24 1983 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC190343  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC190345  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC190347  Cynodon dactylon Peter Rubtzoff 1951-6-9 175 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  UC1026477  Cynodon dactylon Peter Rubtzoff 1951-7-14 425 Sonoma Pitkin Marsh, southern half of Lower Marsh; near Forestville Comment
  UC1131374  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCD60037  Cynodon dactylon Peter Rubtzoff 1951-7-14 456 Sonoma Pitkin Marsh, near Forestville. Comment
  UCR248769  Cynodon transvaalensis Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC320564  Cynosurus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh. Comment
  UCR254742  Cyperus Peter Rubtzoff 1970-9-2 6351 Sonoma Russian River bottom at Mirabel Park 5 Comment
  UCR254743  Cyperus Peter Rubtzoff 1970-9-2 6352 Sonoma Russian River bottom at Mirabel Park 5 Comment
  CAS-BOT-BC114772  Cyperus acuminatus Peter Rubtzoff 1987-10-17 9873 Sonoma Russian River ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC114686  Cyperus bipartitus Herbert L. Mason 1946-7-4 12884 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC114513  Cyperus eragrostis Peter Rubtzoff 1951-7-14 452 Sonoma Pitkin Marsh, near Forestville. Damp, open area between the Upper and the Lower marshes. Comment
  CAS-BOT-BC114514  Cyperus eragrostis Peter Rubtzoff 1951-7-21 503 Sonoma Pitkin Marsh, near Forestville. Damp, open area between the Upper and the Lower marshes. Comment
  CAS-BOT-BC114434  Cyperus erythrorhizos Peter Rubtzoff 1963-9-21 5270 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC114435  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa NE of Graton. 1.5 mi N of Guerneville Road. Comment
  CAS-BOT-BC114436  Cyperus erythrorhizos Peter Rubtzoff 1961-8-25 4719 Sonoma Forest Hills, east of Guerneville. Open, wet margin of Russian River. Comment
  CAS-BOT-BC114439  Cyperus erythrorhizos Peter Rubtzoff 1961-9-20 4757 Sonoma Lagune de Santa Rosa, NE of Graton, near Guerneville Road crossing. Comment
  CAS-BOT-BC114339  Cyperus esculentus Peter Rubtzoff 1965-9-11 5650 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC114341  Cyperus esculentus Peter Rubtzoff 1987-9-27 9858 Sonoma Russian River at Forest Hills, ca. 6 mi E of Guerneville. Comment
  CAS-BOT-BC114228  Cyperus fuscus Peter Rubtzoff 1987-10-17 9872 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  UC1100638  Cyperus niger Herbert L. Mason 1946-7-4 12884 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  UC728611  Cyperus niger Milo S. Baker 1945-6-18 11118 Sonoma lower Meadow Pitkin Marsh Comment
  CAS-BOT-BC113904  Cyperus niger var. capitatus Peter Rubtzoff 1951-6-10 193 Sonoma Plants of the Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC113905  Cyperus niger var. capitatus Peter Rubtzoff 1951-6-16 219 Sonoma Plants of the Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC113906  Cyperus niger var. capitatus Peter Rubtzoff 1951-7-1 323 Sonoma Plants of the Pitkin Marsh, near Forestville. Lower part of the upper marsh. Comment
  CAS-BOT-BC113909  Cyperus niger var. capitatus Peter Rubtzoff 1965-9-5 5645 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC113912  Cyperus niger var. capitatus Peter Rubtzoff 1961-8-25 4723 Sonoma Forest Hills, E of Guerneville. Open, wet margin of Russian River. Comment
  CAS-BOT-BC113903  Cyperus niger var. castaneus Peter Rubtzoff 1987-9-27 9857 Sonoma Russian River at Forest Hills, ca. 6 mi E of Guerneville. Comment
  CAS-BOT-BC113916  Cyperus niger var. castaneus John Thomas Howell; J. W. Stacey 1936-7-26 12675 Sonoma Pitkin Marsh, 5 mi. N of Sebastapol. Comment
  CAS-BOT-BC114040  Cyperus squarrosus Peter Rubtzoff 1987-10-17 9871 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  RSA234557  Cypselea humifusa Peter Rubtzoff 1958-9-20 3991 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  CAS-BOT-BC192269  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC192276  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma Bordering Pitkin Marsh Comment
  CAS-BOT-BC192283  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  UC1026469  Danthonia californica Peter Rubtzoff 1952-5-31 1096 Sonoma Upper Marsh Pitkin Marsh (eastern branch, near Forestville) Comment
  UC1131385  Danthonia californica H. S. Yates 1937-5-30 6540 Sonoma 1 1/2 mi sse Graton; Sebastopol Quadrangle Comment
  UC1131394  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  RSA114300  Danthonia californica var. californica J. T. Howell 1957-6-13 32622 Sonoma slope bordering Pitkin Marsh Comment
  CAS-BOT-BC154130  Datura Peter Rubtzoff 1958-8-17 3896 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC154986  Datura Peter Rubtzoff; Irene Rubtzoff 1968-8-31 5940 Sonoma Russian River bottom at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCR279632  Datura stramonium Peter Rubtzoff 1968-9-21 5986 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCD61085  Deschampsia cespitosa Peter Kamb; Francia Chisaki 1950-6-16 1861 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  POM313170  Deschampsia cespitosa subsp. cespitosa H. L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UC1055942  Deschampsia cespitosa subsp. cespitosa Peter Kamb and Francia Chisaki 1950-6-16 1861 Sonoma 1 mi. n. Sousa Corners (n.w. of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
  UC1100296  Deschampsia cespitosa subsp. cespitosa Herbert L. Mason 1946-7-4 12885 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  UC1131421  Deschampsia cespitosa subsp. cespitosa H. S. Yates 1936-5-16 5605 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  UC573999  Deschampsia cespitosa subsp. cespitosa H. S. Yates 1936-5-16 5605 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad. Comment
  UC727687  Deschampsia cespitosa subsp. cespitosa Milo S. Baker 1946-5-13 11393 Sonoma marsh adjoining on n. Pitkin Ranch; Vine Hill Region Comment
  CAS-BOT-BC192606  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC192607  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1945-5-30 20898 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC192612  Deschampsia cespitosa subsp. holciformis Herbert L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CAS-BOT-BC192613  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC201969  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  RSA227247  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  UCD63238  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC208930  Dichanthelium acuminatum subsp. acuminatum Peter Rubtzoff 1951-6-30 295 Sonoma Western branch of NE Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC208931  Dichanthelium acuminatum subsp. acuminatum Peter Rubtzoff 1951-7-22 532 Sonoma Uppermost part of NE western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC208932  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell; J. W. Stacey 1936-7-26 12680 Sonoma Pitkin Marsh, 5 miles N of Sebastopol Comment
  CAS-BOT-BC209246  Dichanthelium acuminatum subsp. acuminatum Leo Koch 1938-6-12 311 Sonoma Pitkin Marsh about 10 miles west of Santa Rosa Comment
  RSA126984  Dichanthelium acuminatum var. fasciculatum H. S. Yates 1936-5-16 5589 Sonoma 2 miles SE of Forestville 30 Comment
  RSA126986  Dichanthelium acuminatum var. fasciculatum H. S. Yates 1936-5-6 5589 Sonoma two miles southeast of Forestville 30 Comment
  RSA367502  Dichelostemma capitatum subsp. capitatum E. A. McGregor 1962-4-21 s.n. San Luis Obispo South of Grover City. Comment
  CAS-BOT-BC183608  Digitaria Peter Rubtzoff 1965-9-5 5637 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC210146  Digitaria Peter Rubtzoff 1965-8-16 5597 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  RSA788364  Digitaria Peter Rubtzoff 1965-8-16 5597 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  RSA788365  Digitaria Peter Rubtzoff 1965-9-5 5637 Sonoma Forest hills (5.5 mi E of Guerneville). Comment
  UCD64092  Digitaria sanguinalis Virginia Bufford 1935-9-8 82 Sonoma Vine Hill District. Comment
  JEPS76927  Dodecatheon hendersonii Robert M. Lloyd 1963-2-24 2051 Sonoma 3 mi ne Forestville (on road to US 101) Comment
  JEPS76928  Dodecatheon hendersonii Robert M. Lloyd 1963-2-24 2051 Sonoma 3 mi ne Forestville (on road to US 101) Comment
  CAS-BOT-BC154135  Downingia concolor var. concolor Peter Rubtzoff 1969-5-11 6039 Sonoma Laguna de Santa Rosa, northeast of Graton, at the end of Piner Road. Comment
  CAS-BOT-BC154163  Downingia concolor var. concolor Peter Rubtzoff 1963-6-6 5162 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC401545  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC401570  Drosera rotundifolia John Thomas Howell 1945-5-30 20906 Sonoma Pitkin Marsh Comment
  JEPS54476  Drosera rotundifolia Rimo Bacigalupi 1967-8-30 9313 Sonoma near eastern end of Templeman Road (se of Forestville); Pitkin Marsh 45 Comment
  UC1051650  Drosera rotundifolia Peter Kamb and Francia Chisaki 1950-6-16 1848 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, toward s end of marsh); Pitkin Marsh Comment
  UC1127101  Drosera rotundifolia H. S. Yates 1937-5-30 6536 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCR222528  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2010-6-5 16249 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC210080  Echinochloa Peter Rubtzoff 1976-8-29 8835 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC210129  Echinochloa Peter Rubtzoff 1976-8-29 8836 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC210130  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC210133  Echinochloa Peter Rubtzoff 1973-9-4 7296 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA785441  Echinochloa Peter Rubtzoff 1976-8-29 8836 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  RSA785442  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  RSA785443  Echinochloa Peter Rubtzoff 1973-9-4 7296 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  UCD164337  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD165779  Echinochloa Peter Rubtzoff 1973-9-4 7296 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD60945  Echinochloa crus-pavonis Virginia Bufford 1935-9-8 79 Sonoma Pitkins Yard, Vine Hill District. Comment
  RSA227244  Elatine heterandra Peter Rubtzoff 1966-5-7 5720 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC113729  Eleocharis acicularis Peter Rubtzoff 1955-7-31 2009 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC113730  Eleocharis acicularis Peter Rubtzoff 1951-6-16 s.n. Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  SJSU5984  Eleocharis acicularis C. W. Sharsmith 1972-6-24 7797 Sonoma Forestville Marsh c, 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  UC1026474  Eleocharis acicularis Peter Rubtzoff 1951-7-21 515 Sonoma area between Upper marshes and Lower marshes (near Forestville); Pitkin Marsh Comment
  UC1055948  Eleocharis acicularis Francia Chisaki, Peter Kamb 1950-6-16 1865 Sonoma 1 mi N of Sousa Corners (NW from Sebastopol, Pitkin Marsh) Comment
  CAS-BOT-BC113736  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1951-6-17 268 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC113737  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1951-7-14 465 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC113731  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1951-7-28 551 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC113732  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1958-5-17 3665 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road.). Comment
  CAS-BOT-BC113734  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1951-7-22 531 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC113739  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1951-7-21 499 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC112981  Eleocharis macrostachya Peter Rubtzoff 1951-7-8 387 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112982  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112983  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UC1042515  Eleocharis macrostachya Peter Rubtzoff 1951-7-8 387 Sonoma near Forestville (Pitkin Marsh, lower part of the Upper Marsh) Comment
  CAS-BOT-BC112071  Eleocharis quinqueflora Peter Rubtzoff 1951-8-5 596 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112072  Eleocharis quinqueflora Peter Rubtzoff 1951-8-5 596 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112073  Eleocharis quinqueflora Peter Rubtzoff 1952-5-31 1125 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper 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-BC112181  Eleocharis radicans Peter Rubtzoff 1951-9-2 702 Sonoma Southern half of Lower Marsh. Comment
  CAS-BOT-BC112192  Eleocharis radicans Peter Rubtzoff 1951-9-2 703 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112193  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112194  Eleocharis radicans Peter Rubtzoff 1951-9-2 703 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112195  Eleocharis radicans Peter Rubtzoff 1951-9-2 702 Sonoma Pitkin Marsh, near Forestville: Southern half of Lower Marsh Comment
  CAS-BOT-BC112196  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma Pitkin Marsh, near Forestville: Southern half of Lower Marsh Comment
  CAS-BOT-BC112198  Eleocharis radicans Peter Rubtzoff 1970-9-2 6353 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC112200  Eleocharis radicans Peter Rubtzoff 1965-8-22 5619 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC112206  Eleocharis radicans Peter Rubtzoff 1961-8-25 4722 Sonoma Forest Hills, east of Guerneville. Open, wet margin of Russian River. Comment
  CAS-BOT-BC112207  Eleocharis radicans Peter Rubtzoff 1960-6-5 4440 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UC1026470  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma near Forestville (Pitkin Marsh, Lower Marsh, southern half) Comment
  CAS-BOT-BC112271  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC112272  Eleocharis rostellata Peter Rubtzoff 1951-7-14 429 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC112273  Eleocharis rostellata Peter Rubtzoff 1952-5-31 1127 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC112274  Eleocharis rostellata Peter Rubtzoff 1951-7-7 361 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC112275  Eleocharis rostellata Peter Rubtzoff 1951-6-2 93 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UC1026475  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma near Forestville (southern half of Lower Marsh); Pitkin Marsh Comment
  CAS-BOT-BC451543  Elodea canadensis Peter Rubtzoff 1987-9-27 9860 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  RSA129275  Elymus glaucus subsp. jepsonii H. S. Yates 1937-6-6 6580 Sonoma 8 miles S. W. of Healdsburg 152 Comment
  CAS-BOT-BC165906  Epilobium Peter Rubtzoff 1986-9-28 9746 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC290618  Epilobium Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD167418  Epilobium campestre Peter Rubtzoff 1962-6-21 4940 Sonoma Laguna de Santa Rosa NE of Graton, E of Laguna Road. Comment
  GH404245  Epilobium ciliatum P. Rubtzoff 1955-7-24 1985 Unknown Forestville Marsh Comment
  CAS-BOT-BC262961  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-8-31 5946 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC268055  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-9 1927 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC290550  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh. Comment
  UC1042506  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-8-4 586 Sonoma opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC353823  Epilobium ciliatum subsp. ciliatum Milo S. Baker 1928-6-28 3199 C Sonoma Pitkin Marsh Vine Hill Region Comment
  UCR248960  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC290593  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-6-21 4946 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC300481  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-6-21 4937 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  POM259043  Epilobium ciliatum subsp. watsonii J. T. Howell 1938-7-3 13957 Sonoma Pitkin 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
  UC1042501  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-8-4 585 Sonoma marsy opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UCD105936  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-8 415 Sonoma Pitkin Marsh, near Forestville. Comment
  UCR248946  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-6-21 4937 Sonoma Laguna de Santa Rosa area, NE of Graton, east of Laguna Rd. 21 Comment
  UC1042502  Epilobium densiflorum Peter Rubtzoff 1951-8-4 576 Sonoma open area between Upper Marsh and Lower Marsh (near Forestville); Pitkin Marsh Comment
  UCD106302  Epilobium densiflorum Peter Rubtzoff 1951-8-4 576 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC262800  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UCD166300  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC164680  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA790976  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD165778  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC164075  Equisetum X ferrissii Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC183617  Equisetum X ferrissii Peter Rubtzoff 1960-6-9 4480 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC57128  Equisetum X ferrissii Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC57129  Equisetum X ferrissii Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC57130  Equisetum X ferrissii John Thomas Howell 1951-5-28 27502 Sonoma Eastern branch of the Pitkin 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-BC57046  Equisetum arvense Peter Rubtzoff 1962-4-18 4800 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  CAS-BOT-BC57047  Equisetum arvense Peter Rubtzoff 1958-4-26 3601 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC57048  Equisetum arvense Peter Rubtzoff 1958-8-16 3879 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  UC1026487  Equisetum arvense Peter Rubtzoff 1951-6-17 279 Sonoma near Forestville (n half of Lower Marsh); Pitkin Marsh Comment
  CAS-BOT-BC57207  Equisetum hyemale subsp. affine Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC57209  Equisetum hyemale subsp. affine Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC164055  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC57645  Equisetum telmateia Peter Rubtzoff 1955-4-9 1769 Sonoma Forestville Marsh Comment
  CAS-BOT-BC311809  Eragrostis Peter Rubtzoff 1965-8-16 5603 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC312692  Eragrostis Peter Rubtzoff 1975-9-13 8381 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC312695  Eragrostis Peter Rubtzoff 1968-9-21 5982 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC312697  Eragrostis Peter Rubtzoff 1970-9-2 6357 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC320556  Eragrostis Peter Rubtzoff 1968-8-31 5949 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC320562  Eragrostis Peter Rubtzoff 1965-8-16 5599 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). 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
  CAS-BOT-BC328124  Eragrostis Peter Rubtzoff 1965-8-16 5601 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC328125  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UCR248710  Eragrostis Peter Rubtzoff 1965-8-16 5601 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  UCR248711  Eragrostis Peter Rubtzoff 1965-8-16 5600 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  UCR248774  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  UCR248775  Eragrostis Peter Rubtzoff 1965-8-16 5599 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC172570  Eragrostis cilianensis Peter Rubtzoff 1961-8-25 s.n. Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC213572  Eragrostis hypnoides Peter Rubtzoff 1970-9-2 6355 Sonoma Rusian River bottom at Mirabel Park Comment
  CAS-BOT-BC213573  Eragrostis hypnoides Peter Rubtzoff 1961-8-25 4718 Sonoma Forest Hills, east of Guerneville, bottom of Russian River Comment
  HSC9783  Eragrostis mexicana subsp. virescens C. S. Chavez 1965-6-10 86 Sonoma 1 mi. E of Forestville on Hwy. 116 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-BC284190  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1970-9-2 6356 Sonoma Russian River at Mirabel Park Comment
  RSA784477  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC214551  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC214552  Erigeron philadelphicus Peter Rubtzoff 1951-7-28 553 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC214553  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  JEPS82261  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  JEPS82262  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  CDA5240  Eriophyllum lanatum var. achilleoides T. C. Fuller 1958-5-24 4000 Sonoma Vinehill District. 0 Comment
  CAS-BOT-BC293760  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  RSA800162  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  UCD165124  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  UC1365627  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1958-7-19 3769 Sonoma e. Sebastopol (Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC1365628  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1958-4-26 Sonoma e. Sebastopol (Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  SD88504  Eryngium armatum Darley F. Howe 1972-6-27 Sonoma Near Pitkin Marsh. Comment
  CAS-BOT-BC153623  Erythranthe inodora Peter Rubtzoff 1955-7-9 1945 Sonoma Forestville Marsh Comment
  CAS-BOT-BC153624  Erythranthe inodora Peter Rubtzoff 1955-7-9 1934 Sonoma Forestville Marsh Comment
  CAS-BOT-BC153626  Erythranthe inodora Peter Rubtzoff 1960-6-11 4503 Sonoma Laguna de Santa Rosa area east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC153627  Erythranthe inodora Peter Rubtzoff 1960-6-9 4487 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC202536  Euphorbia Peter Rubtzoff 1986-9-28 9747 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC202537  Euphorbia Peter Rubtzoff 1986-9-28 9748 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC202541  Euphorbia Peter Rubtzoff 1987-10-17 9877 Sonoma Russian River ca. 6 miles east of Guerneville Comment
  CAS-BOT-BC290687  Euphorbia Peter Rubtzoff 1987-10-17 9877 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  UCR2752541  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma North Coast Range, Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road 37 Comment
  UCR248751  Euphorbia polycarpa Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 c. 0.3 mi. SE of Forestville 37 Comment
  CAS-BOT-BC310740  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC310741  Euthamia occidentalis Lewis S. Rose 1960-9-14 60094 Sonoma Laguna de Santa Rosa, 2 mi. e. of Graton 15 Comment
  CAS-BOT-BC310743  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  JEPS26040  Euthamia occidentalis Lewis S. Rose 1960-9-14 60094 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 Comment
  UCR249335  Festuca arundinacea Peter Rubtzoff 1962-5-25 4838 Sonoma Laguna de Santa Rosa area, northeast of Gratton, near the Laguna Road 30 Comment
  UCD66116  Festuca occidentalis Beecher Crampton 1955-6-17 2926 Sonoma State Hwy. 12, 1.6 miles west of Forestville. Comment
  CAS-BOT-BC279078  Festuca rubra Peter Rubtzoff 1951-9-15 758 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  UC1026479  Festuca rubra Peter Rubtzoff 1951-7-7 353 Sonoma near Forestville (w branch of Upper Marsh); Pitkin Marsh Comment
  UCD66381  Festuca rubra Peter Rubtzoff 1951-6-7 113 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  CAS-BOT-BC53277  Frangula californica subsp. californica Peter Rubtzoff 1951-8-18 616 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC53278  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC53279  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the westsern branch of the Upper Marsh Comment
  CAS-BOT-BC218579  Fraxinus latifolia A. A. Heller; H. E. Brown 1902-3-16 5079 Sonoma Russian River near Trenton Comment
  CAS-BOT-BC218586  Fraxinus latifolia Peter Rubtzoff 1951-8-19 653 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC218587  Fraxinus latifolia Peter Rubtzoff 1951-8-19 653 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  GH401244  Fraxinus latifolia A. A. Heller & H. E. Brown 1902-3-16 5079 Unknown Russian River, near Trenton Comment
  SJSU452  Fraxinus latifolia A. W. Jacobs 1939-7-20 Sonoma Russian R Terrace near Forestville Comment
  RSA264725  Galium aparine Peter Rubtzoff 1955-5-21 1862 Sonoma Forestville Marsh. Comment
  SJSU6050  Galium trifidum subsp. columbianum C. W. Sharsmith 1972-6-24 7798 Sonoma Forestville Marsh c. 0.5 mi E of Forestville & NW of Sebastopol Comment
  JEPS6458  Galium trifidum var. pacificum Peter Rubtzoff 1951-6-7 127 Sonoma western branch of the upper marsh Pitkin Marsh (near Forestville) Comment
  RSA790991  Gamochaeta ustulata Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  UC1042429  Gamochaeta ustulata Peter Rubtzoff 1951-6-7 137 Sonoma Western branch of Upper Marsh, (near Forestville, in a marshy opening); Pitkin Marsh Comment
  UCD165160  Gamochaeta ustulata Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320559  Gastridium Peter Rubtzoff 1973-7-24 7196 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320464  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh. Comment
  UCR248753  Gastridium ventricosum Peter Rubtzoff 1970-9-2 6366 Sonoma Russian River bottom at Mirabel Park 5 Comment
  CAS-BOT-BC193259  Genista monspessulana A. A. Heller; H. E. Brown 1902-4-18 s.n. Sonoma Near Windsor Comment
  SD88506  Gentiana sceptrum Darley F. Howe 1972-6-27 4841 Sonoma Near Pitkin Marsh Comment
  SDSU7153  Gentiana sceptrum D. F. Howe 1972-6-27 4841 Sonoma Near Pitkin Marsh. Comment
  UC1051644  Gentiana sceptrum Peter Kamb 1950-6-16 1862 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  UC1084424  Gentiana sceptrum G. Thomas Robbins 1938-6-23 268 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  UC1191687  Gentiana sceptrum Herbert L. Mason 1946-7-4 12891 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  UC353939  Gentiana sceptrum Milo S. Baker 3045 a Sonoma Pitkin Swamp Comment
  UCR222558  Geranium robertianum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16239 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC173801  Glyceria elata Peter Rubtzoff 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC282725  Glyceria elata Peter Rubtzoff 1951-6-9 160 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282726  Glyceria elata Peter Rubtzoff 1951-6-17 280 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282727  Glyceria elata Peter Rubtzoff 1951-6-17 280 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282728  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma South of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282729  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma South of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UC1026485  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma near Forestville (Pitkin Marsh, s of the Upper Marsh); Pitkin Marsh Comment
  UCD165254  Glyceria elata Peter Rubtzoff; Nancy Harrison 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC282806  Glyceria leptostachya Peter Rubtzoff 1951-6-9 187 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282807  Glyceria leptostachya Peter Rubtzoff 1951-6-9 187 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282808  Glyceria leptostachya Peter Rubtzoff 1951-6-8 407 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282812  Glyceria leptostachya Peter Rubtzoff 1955-5-14 1837 Sonoma Forestville Marsh Comment
  SJSU6044  Glyceria occidentalis C. W. Sharsmith 1972-6-24 7800 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  RSA227239  Glyceria striata Peter Rubtzoff 1960-5-22 4414 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  CAS-BOT-BC290690  Gnaphalium Peter Rubtzoff 1987-10-17 9875 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC303864  Gnaphalium Peter Rubtzoff 1970-9-2 6360 Sonoma Russian River bottom at Mirabel Park, near a pool Comment
  CAS-BOT-BC303865  Gnaphalium Peter Rubtzoff 1987-10-17 9875 Sonoma Russian River ca 6 miles E of Guerneville Comment
  CAS-BOT-BC303866  Gnaphalium Peter Rubtzoff 1987-10-17 9875 Sonoma Russian River ca 6 miles E of Guerneville Comment
  CAS-BOT-BC166680  Gnaphalium chilense Peter Rubtzoff 1961-9-6 4730 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC166906  Gnaphalium chilense Peter Rubtzoff 1962-10-23 5125 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC166916  Gnaphalium chilense Peter Rubtzoff 1962-6-21 4936 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC166761  Gnaphalium palustre Peter Rubtzoff 1976-10-16 s.n. Sonoma Russian River Beach at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166794  Gnaphalium palustre Peter Rubtzoff 1958-7-5 3727 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC164669  Gnaphalium purpureum Peter Rubtzoff 1960-5-22 4413 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC166778  Gnaphalium purpureum Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  CDA6005  Gnaphalium purpureum T. C. Fuller 1958-5-24 3985 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CDA6006  Gnaphalium purpureum T. C. Fuller 1958-5-24 3986 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC164093  Grindelia Peter Rubtzoff 1963-6-6 5171 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC164094  Grindelia Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC164095  Grindelia Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC164096  Grindelia Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  UCD148466  Grindelia camporum Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  UCD166081  Grindelia hirsutula Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC306766  Helenium bigelovii Peter Rubtzoff 1951-6-9 155 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC306767  Helenium bigelovii John Thomas Howell; J. W. Stacey 1936-7-26 12684 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC306769  Helenium bigelovii Peter Rubtzoff 1951-6-7 114 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC306771  Helenium bigelovii John Thomas Howell 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC306772  Helenium bigelovii John Thomas Howell 1937-6-6 13035 Sonoma Pitkin Marsh Comment
  CDA6441  Helenium bigelovii T. C. Fuller 1958-5-24 3988 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  JEPS19392  Helenium bigelovii G. Thomas Robbins 1937-6-5 221 Sonoma 10 mi w Santa Rosa; Vine Hill Region, Pitkin Ranch Comment
  JEPS7068  Helenium bigelovii Peter Kamb 1950-6-16 1850 Sonoma 1 mi n Sousa Corners (n of Sebastopol, about springy bog toward s end of marsh); Pitkin Marsh 60 Comment
  JEPS81886  Helenium bigelovii Roger Raiche 1982-7-31 20649 Sonoma Pitkin Marsh 15 Comment
  RSA71062  Helenium bigelovii L. S. Rose 1951-6-7 51014 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  UC1032155  Helenium bigelovii H. S. Yates 1936-5-16 5598 Sonoma 2 mi se Forestville (Pittsin Marsh <from dip>); Sebastopol Quadrangle Comment
  UC353800  Helenium bigelovii Milo S. Baker 1928-4-28 3001 b Sonoma Pitkin Swamp Comment
  UC750807  Helenium bigelovii Charles B. Heiser Jr. 1946-5-19 1746 Sonoma Vine Hill Region Pitkin Marsh Comment
  UCD132736  Helenium bigelovii Chas. Heiser 1946-5-19 s.n. Sonoma Pitkin Marsh, Vine Hill region. Comment
  UCD132741  Helenium bigelovii Charles B. Heiser Jr. 1946-5-19 1746 Sonoma Vine Hill region, Pitkin Marsh Comment
  UCSB9937  Helenium bigelovii Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners 60 Comment
  CAS-BOT-BC262949  Helenium puberulum Peter Rubtzoff 1955-7-31 2014 Sonoma Forestville Marsh. 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-BC309583  Helenium puberulum Peter Rubtzoff 1951-11-24 833 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UCD160357  Helianthella californica Nellie Coffey 1931-3-31 s.n. Solano Green Valley. Comment
  CAS-BOT-BC258388  Hemizonia Peter Rubtzoff 1973-8-27 7260 Sonoma Upper Green Valley Marsh area. Comment
  UCD165329  Hemizonia Peter Rubtzoff 1973-8-27 7260 Sonoma Upper Green Valley Marsh area. Comment
  UCD166302  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. 17 Comment
  UCR244621  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa, c. 1 mi east southeast of Sebastopol 17 Comment
  RSA608263  Hemizonia congesta J. T. Howell, J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC306226  Hemizonia congesta subsp. congesta John Thomas Howell; J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC306228  Hemizonia congesta subsp. congesta Peter Rubtzoff 1951-7-21 502 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes Comment
  CAS-BOT-BC306235  Hemizonia congesta subsp. congesta Peter Rubtzoff 1951-6-17 266 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CDA6570  Hemizonia congesta subsp. congesta T. C. Fuller 1958-5-24 3992 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  JEPS54474  Hemizonia congesta subsp. congesta Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9315 Sonoma Pitkin Marsh 53 Comment
  UCR279613  Heterotheca oregona Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, c. 0.5 mile SW of the Russian River bridge in Hacienda 27 Comment
  UCR222532  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2010-6-5 16245 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CDA27097  Hoita orbicularis D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  CDA9234  Hoita orbicularis D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UC1084457  Hoita orbicularis G. Thomas Robbins 1937-6-5 219 Sonoma 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC280794  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC280795  Holcus lanatus Peter Rubtzoff 1951-6-16 244 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC280800  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UC1055946  Holcus lanatus Peter Kamb and Francia Chisaki 1950-6-16 1856 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
  UC573681  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 mi se Forestville (<Pitkin Marsh>); Sebastopol Quad. Comment
  UC573682  Holcus lanatus H. S. Yates 1937-5-30 6538 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCD84904  Holcus lanatus Peter Kamb; Francia Chisaki 1950-6-16 1856 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  UCD84980  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 miles SE of Forestville. 30 Comment
  CAS-BOT-BC289286  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-5-7 1819 Sonoma Ross Marsh Comment
  CAS-BOT-BC285193  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1955-5-21 1865 Sonoma Forestville Marsh 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-BC285196  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1951-7-7 384 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UC573658  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 mi nw Graton; Sebastopol Quad. Comment
  UC573679  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-5-16 5601 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UCD85911  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 miles NW of Graton. 91 Comment
  CAS-BOT-BC284844  Hordeum murinum subsp. glaucum Peter Rubtzoff 1951-7-21 487 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC284845  Hordeum murinum subsp. glaucum Peter Rubtzoff 1951-7-21 487 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  RSA123430  Hordeum murinum subsp. glaucum H. S. Yates 1936-5-16 5601 Sonoma 2 miles S.E. of Forestville 30 Comment
  POM35453  Horkelia californica A. A. Heller 1902-6-27 5783 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC146520  Horkelia tenuiloba Milo S. Baker 1928-6-28 3197 a Sonoma Pitkins Farm on upland Vine Hill District Comment
  CAS-BOT-BC146521  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 miles north of Sebastopol Comment
  CAS-BOT-BC146522  Horkelia tenuiloba John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  CAS-BOT-BC146523  Horkelia tenuiloba John Thomas Howell 1945-5-30 20909 Sonoma Vine Hill School Comment
  CDA25951  Horkelia tenuiloba T. C. Fuller 1958-5-24 3998 Sonoma Vinehill District. 0 Comment
  GH345656  Horkelia tenuiloba J. T. Howell 1955-6-2 30258 Unknown Near Vine Hill School Comment
  GH345657  Horkelia tenuiloba J. T. Howell 1937-7-4 13083 Unknown 5 miles north of Sebastopol Comment
  JEPS21577  Horkelia tenuiloba Lauramay T. Dempster 1958-5-24 1106 Sonoma along road Vine Hill district Comment
  JEPS86763  Horkelia tenuiloba Jack and Betty Guggolz 1990-7-1 1082 Sonoma about 2 1/4 mi nne Graton; CNPS Vine Hill Preserve 76 Comment
  OBI10083  Horkelia tenuiloba Lauramay T. Dempster 1958-5-24 1106 Sonoma Vine Hill, along road Comment
  RSA118025  Horkelia tenuiloba J. T. Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  UC353799  Horkelia tenuiloba Milo S. Baker 1899-5-1 3005 b Sonoma near Vine Hill; Pitkin Ranch Comment
  UC353821  Horkelia tenuiloba Milo S. Baker 1928-6-28 3197 b Sonoma Pitkin Farm, upland Vine Hille District Comment
  UCD106188  Hosackia stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma Vine Hill, W of Santa Rosa Comment
  CAS-BOT-BC175971  Hypericum Peter Rubtzoff 1971-6-10 6535 Sonoma Pitkin Marsh, near Forestville. Near the southern end of the upper part of the marsh Comment
  CAS-BOT-BC400995  Hypericum anagalloides Peter Rubtzoff 1951-7-1 329 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC400996  Hypericum anagalloides Peter Rubtzoff 1951-6-16 226 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC400999  Hypericum anagalloides Peter Rubtzoff 1955-7-9 1920 Sonoma Forestville Marsh Comment
  CAS-BOT-BC401000  Hypericum anagalloides Peter Rubtzoff 1960-9-17 4563 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  UC1122088  Hypericum anagalloides H. S. Yates 1936-5-16 5588 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  UCSB4120  Hypericum anagalloides Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; NW of Sebastopol; 1 mi north of Sousa Corners 60 Comment
  UCR253373  Hypericum perforatum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC401323  Hypericum scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC401324  Hypericum scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC316678  Hypochaeris glabra Peter Rubtzoff 1952-5-31 1101 Sonoma Upper Marsh Comment
  CAS-BOT-BC316679  Hypochaeris glabra Peter Rubtzoff 1952-5-31 1101 Sonoma Upper Marsh Comment
  CAS-BOT-BC61916  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC61919  Isoetes nuttallii John Thomas Howell 1937-6-6 13029 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC61923  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC61926  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  UC810525  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112389  Isolepis carinata John Thomas Howell; J. W. Stacey 1937-6-6 13027 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112410  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh Comment
  CAS-BOT-BC112411  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC112412  Isolepis carinata John Thomas Howell 1957-6-13 32620 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112413  Isolepis carinata Peter Rubtzoff 1952-5-10 1025 Sonoma Pitkin Marsh near Forestville: Eastern branch of the Upper March. Comment
  CAS-BOT-BC112414  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh near Forestville: Lower part of the Upper Marsh. Comment
  RSA114299  Isolepis carinata J. T. Howell 1957-6-13 32620 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC112564  Isolepis cernua John Thomas Howell 1937-6-6 13027 A Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112566  Isolepis cernua Peter Rubtzoff 1960-6-9 4485 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  CAS-BOT-BC112570  Isolepis cernua Peter Rubtzoff 1955-7-31 2015 Sonoma Forestville Marsh. Comment
  SD134076  Isolepis cernua Peter Rubtzoff 1955-7-31 2015 Sonoma Forestville Marsh, marshy to wet, partially shaded ground. (IPB 11/07) Comment
  CAS-BOT-BC251221  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles East of Guerneville, along Russian River at Forest Hills. Comment
  UCD166263  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles East of Guerneville, along Russian River at Forest Hills. Comment
  CAS-BOT-BC101889  Juglans californica Peter Rubtzoff 1986-8-31 9736 Sonoma On river bank off Summerhome Park Road 0.2 mile west of Forest Hills Road Comment
  UC1042427  Juncus balticus Peter Rubtzoff 1951-7-7 368 Sonoma near Forestville (e branch of the upper marsh); Pitkin Marsh Comment
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  UC1026489  Juncus bufonius Peter Rubtzoff 1951-6-7 125 Sonoma near Forestville (uppermost part of the w branch of the Upper Marsh); Pitkin Marsh Comment
  UC1057463  Juncus bufonius G. Thomas Robbins 1937-5-23 195 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region) Comment
  CDA9235  Juncus dubius D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  POM312828  Juncus dubius H. L. Mason 1946-7-4 12890 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  RSA234552  Juncus dubius Peter Rubtzoff 1960-6-9 4490 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UC1026467  Juncus dubius Peter Rubtzoff 1951-7-8 395 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  UC1101034  Juncus dubius Herbert L. Mason 1946-7-4 12890 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  UCR198257  Juncus dubius Dean Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh 38 Comment
  JEPS67108  Juncus occidentalis W. L. Jepson 1921-6-2 9299 Sonoma w of Windsor Comment
  UC1026488  Juncus occidentalis Peter Rubtzoff 1952-5-31 1097 Sonoma near Forestville (e branch of Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  UC1133689  Juncus occidentalis H. S. Yates 1936-5-16 5586 Sonoma 2 mi se Forestville; Pitkin Marsh, Sebastopol Quad. 30 Comment
  UC1026468  Juncus orthophyllus Peter Rubtzoff 1952-5-31 1124 Sonoma lower part Upper Marsh; Pitkin Marsh, Upper Marsh Comment
  RSA244325  Juncus oxymeris Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1091 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  UC1026490  Juncus patens Peter Rubtzoff 1951-7-21 518 Sonoma s of Upper Marsh (near Forestville); Pitkin Marsh Comment
  UCR130525  Juncus patens Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  UC1042516  Juncus phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma near Forestville (between the Upper and Lower marshes); Pitkin Marsh Comment
  JEPS67064  Juncus phaeocephalus var. paniculatus W. L. Jepson 1921-6-2 9304 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  UC589957  Juncus phaeocephalus var. paniculatus H. S. Yates 1936-5-16 5596 Sonoma 2 mi se Forestville; Sebastopol Quad., Pitkin Marsh 30 Comment
  RSA293429  Juncus phaeocephalus var. phaeocephalus Reino Alava 1958-5-24 2047 Sonoma Northern part of Pitkin Marsh. Comment
  UC903171  Juncus phaeocephalus var. phaeocephalus Ethel Crum 1940-5-26 2113 Sonoma Vine Hill North Coast Ranges, Pitkin Marsh Comment
  UCR248905  Kickxia elatine Peter Rubtzoff 1970-7-11 6281 Sonoma Laguna de Santa Rosa northwest of Trenton, at Healdsburg Road crossing 61 Comment
  JEPS10010  Lasthenia burkei W. L. Jepson 1921-6-2 9303 Sonoma nw of Windsor (just e of the Calhoun Ranch) Comment
Read comments
Nov 13 2007
  UCD133642  Lasthenia burkei Peter Rubtzoff 1966-5-7 5716 Sonoma Laguna de Santa rosa east of Graton, between Occidental and Guerneville roads. Comment
  UC33079  Lasthenia glaberrima H. N. Bolander 1864-1 3981 Sonoma Mark West Creek Comment
  CAS-BOT-BC164394  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area. Comment
  RSA783476  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area Comment
  UCD165121  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area. Comment
  UCR222530  Lathyrus vestitus var. ochropetalus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16247 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  UCD166136  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  UC1084446  Ledum glandulosum G. Thomas Robbins 1937-5-23 203 Sonoma about 10 mi w of Santa Rosa (on Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  UC1120990  Ledum glandulosum H. S. Yates 1936-5-16 5592 Sonoma 2 mi se of Forestville 30 Comment
  UC353802  Ledum glandulosum Milo S. Baker 1928-4-28 3009 b Sonoma Pitkin Swamp Comment
  UC572646  Ledum glandulosum G. Thomas Robbins 1937-5-23 203 Sonoma Vine Hill Region, Pitkin Marsh Pitkin Marsh; Vine Hill Region, Pitkin Marsh Comment
  RSA106768  Ledum glandulosum subsp. columbianum L. S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  RSA71060  Ledum glandulosum subsp. columbianum L. S. Rose 1951-6-7 51015 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  CAS-BOT-BC176127  Leersia Peter Rubtzoff 1970-9-2 6358 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC183607  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC184129  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville) Comment
  CAS-BOT-BC184131  Leersia Peter Rubtzoff 1970-9-2 6358 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC210113  Leersia Peter Rubtzoff 1973-9-4 7298 Sonoma Russain River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC210117  Leersia Peter Rubtzoff 1969-8-27 6163 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC274323  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville Comment
  CAS-BOT-BC312696  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  RSA0034026  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC274364  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road 91 Comment
  UCD148508  Leersia oryzoides Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  UCR254923  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road 5 Comment
  UCR279862  Leersia oryzoides Peter Rubtzoff 1969-8-27 6163 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC154154  Lemna Peter Rubtzoff 1965-11-9 5667 A Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  CAS-BOT-BC210099  Lemna Peter Rubtzoff 1965-10-10 5656 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD166420  Lemna Peter Rubtzoff 1965-11-9 5667 A Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  CAS-BOT-BC154155  Lemna minima Peter Rubtzoff 1965-11-9 5667 B Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  UCR254728  Lemna minima Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh [c. 0.5 mi E of Forestville, NW of Sebastopol] 50 Comment
  UC1019908  Lemna minuscula Peter Rubtzoff 1951-6-17 287 Sonoma Pitkin Marsh near Forestville; Pitkin Marsh Comment
  UCD166422  Lemna minuta Peter Rubtzoff 1965-11-9 5667 B Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  CAS-BOT-BC89146  Lepidium didymum Peter Rubtzoff 1987-10-17 9870 Sonoma Russian River at Forest Hills, 5.5 mile east of Guerneville, 9981 Old River Road near Forest Hills Road junction. Comment
  CAS-BOT-BC320566  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC273996  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1958-9-27 4006 Sonoma Laguna de Santa Rosa NE of Graton 1/2 mile N of Guerneville Road Comment
  CAS-BOT-BC273999  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-9-2 6354 Sonoma Russian River bottom at Mirabel Park Comment
  RSA262193  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-9-2 6354 Sonoma Russian River bottom at Mirabel Park. Comment
  UCR248863  Leptochloa fusca subsp. uninervia Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  UC1084423  Lilium maritimum G. Thomas Robbins 1938-6-23 267 Sonoma ca 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
Read comments
Dec 13 2006
  CAS-BOT-BC130691  Lilium occidentale Peter Rubtzoff 1951-7-28 567 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC130692  Lilium occidentale Peter Rubtzoff 1951-6-7 133 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC130693  Lilium occidentale Peter Rubtzoff 1951-6-7 133 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC130694  Lilium occidentale Peter Rubtzoff 1951-7-28 567 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC130695  Lilium occidentale Peter Rubtzoff 1951-8-18 633 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC130696  Lilium occidentale Peter Rubtzoff 1951-7-22 538 Sonoma Northern half of Lower Marsh Comment
  UC1191232  Lilium occidentale Herbert L. Mason 1946-7-4 12893 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
Read comments
Dec 13 2006
  CAS-BOT-BC130826  Lilium pardalinum Peter Rubtzoff 1951-7-22 539 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130827  Lilium pardalinum John Thomas Howell 1945-5-30 20897 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC130828  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130829  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130830  Lilium pardalinum Peter Rubtzoff 1951-7-22 539 Sonoma Northern half of Lower Marsh Comment
  UC1051674  Lilium pardalinum Peter Kamb and Francia Chisaki 1950-6-16 1860 Sonoma nw of Sebastopol (Pitkin Marsh, 1 mi n of Sousa Corners); Pitkin Marsh Comment
  UC1051675  Lilium pardalinum Peter Kamb and Francia Chisaki 1950-6-16 1860 Sonoma nw of Sebastopol (Pitkin Marsh, 1 mi n of Sousa Corners); Pitkin Marsh Comment
  CAS-BOT-BC123087  Lilium pitkinense Lawrence Beane; Albert Michael Vollmer 1954-7-20 1270 Sonoma in the Pitkin Marsh Comment
  RSA215898  Limnanthes douglasii Peter Rubtzoff 1955-5-21 1875 Sonoma Ross Marsh. Comment
  CAS-BOT-BC45944  Limnanthes vinculans Peter Rubtzoff 1962-5-25 4830 Sonoma Laguna de Santa Rosa north of Sebastopol, nr. Occidental Rd. crossing. Comment
  CAS-BOT-BC45948  Limnanthes vinculans Peter Rubtzoff 1958-5-17 3669 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  RSA215942  Limnanthes vinculans Peter Rubtzoff 1958-5-17 s.n. Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd.) Comment
  UC1368724  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma e Sebastopol; Laguna de Santa Rosa Comment
  CAS-BOT-BC258682  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  UCD165771  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC290596  Linaria Peter Rubtzoff 1987-9-27 9856 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC283286  Lolium multiflorum Peter Rubtzoff 1951-7-21 488 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  CAS-BOT-BC283287  Lolium multiflorum Peter Rubtzoff 1951-7-7 373 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  CAS-BOT-BC283288  Lolium multiflorum Peter Rubtzoff 1951-7-7 380 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  CAS-BOT-BC283289  Lolium multiflorum Peter Rubtzoff 1951-7-21 488 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  CAS-BOT-BC283290  Lolium multiflorum Peter Rubtzoff 1951-7-21 481 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  CAS-BOT-BC283291  Lolium multiflorum Peter Rubtzoff 1951-6-17 276 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  CAS-BOT-BC240651  Lonicera hispidula Peter Rubtzoff 1952-5-31 1115 Sonoma Pitkin Marsh, near Forestville. Bordering the central part of the Pitkin Marsh Comment
  CAS-BOT-BC244006  Lonicera involucrata var. ledebourii Peter Rubtzoff 1951-5-28 83 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC244007  Lonicera involucrata var. ledebourii Peter Rubtzoff 1951-5-28 83 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC244008  Lonicera involucrata var. ledebourii Peter Rubtzoff 1952-3-23 898 Sonoma North of the Lower Marsh, Pitkin Marsh near Forestville Comment
  CDA9231  Lonicera involucrata var. ledebourii D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC241418  Lonicera japonica Peter Rubtzoff 1952-5-31 1130 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west Comment
  CAS-BOT-BC241419  Lonicera japonica Peter Rubtzoff 1952-5-31 1130 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west Comment
  JEPS79074  Lotus aboriginus L. R. Heckard with S. Rae and Betty Lovell 1980-4-21 5175 Sonoma 1.5 mi due e Forestville (about 0.5 mi e of Vine Hill road, Vine Hill School road) 60 Comment
  CDA27201  Lotus formosissimus T. C. Fuller 1958-5-24 3983 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UC1057478  Lotus formosissimus G. Thomas Robbins 1937-5-23 211 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Region Comment
  UC54909  Lotus formosissimus J. B. Clifford 1903-4-25 Sonoma Forestville Comment
  UC1784177  Lotus oblongifolius Milo S. Baker 1928-4-28 3008 b Sonoma Pitkin Marsh Comment
  UC1057479  Lotus oblongifolius var. oblongifolius G. Thomas Robbins 1937-5-23 215 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  UC353803  Lotus oblongifolius var. oblongifolius Milo S. Baker 1928-4-28 3008 a Sonoma Pitkin Swamp Comment
  UC353934  Lotus stipularis var. stipularis Milo S. Baker 1928-4-18 2970 a Sonoma near Vine Hill School Comment
  UC424766  Lotus stipularis var. stipularis Milo S. Baker Jun 1929 3573 b Sonoma near Vine Hill School House Comment
  UC424767  Lotus stipularis var. stipularis Milo S. Baker 1929-6-1 3573 a Sonoma near Vine Hill School House Comment
  UC424867  Lotus stipularis var. stipularis Milo S. Baker Jun 1929 3573 c Sonoma near Vine Hill School House Comment
  UC750814  Lotus stipularis var. stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma w of Santa Rosa; Vine Hill Comment
  CAS-BOT-BC249321  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC290614  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC290621  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0034027  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  RSA0034039  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD165773  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  UCD66023  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66024  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66025  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66026  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66045  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 54 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  UCD66046  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 55 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  UCR248361  Ludwigia hexapetala Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC251206  Ludwigia palustris Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC251280  Ludwigia palustris Peter Rubtzoff 1961-10-23 4778 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC257688  Ludwigia palustris Peter Rubtzoff 1960-6-9 4484 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC261647  Ludwigia palustris Peter Rubtzoff 1961-9-6 4738 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  UC1191759  Ludwigia palustris Herbert L. Mason 1946-7-4 12886 Sonoma Pitkin Marsh between Santa Rosa and Forestville; Pitkin Marsh Comment
  UC728662  Ludwigia palustris Milo S. Baker 1945-7-18 11110 Sonoma upper meadow of Pitkin 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-BC157973  Ludwigia peploides Peter Rubtzoff 1958-7-20 3782 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road) Comment
  CAS-BOT-BC173514  Ludwigia peploides Peter Rubtzoff 1955-7-9 1937 Sonoma Forestville Marsh Comment
  CAS-BOT-BC195982  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 mi. west along Guerneville road Comment
  CAS-BOT-BC320547  Lupinus polycarpus Peter Rubtzoff 1974-4-17 7377 Sonoma Upper Green Valley Marsh. Comment
  CDA27567  Lupinus polyphyllus var. polyphyllus D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  CDA9233  Lupinus polyphyllus var. polyphyllus D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC210023  Luzula Peter Rubtzoff 1974-4-17 7369 Sonoma Upper Green Valley Marsh area Comment
  UCD166736  Luzula Peter Rubtzoff 1955-6-4 1900 Sonoma Forestville Marsh. Comment
  UC1133753  Luzula comosa H. S. Yates 1936-5-16 5591 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UC570331  Luzula comosa H. S. Yates 1936-5-16 5591 Sonoma two mi se Forestville; Sebastopol Quad., se of Forestville 30 Comment
  UC727764  Luzula comosa Milo S. Baker 1946-5-13 11390 Sonoma marsh adjoining Pitkin Marsh on n (Vine Hill Region); , Pitkin Marsh on n Comment
  UCD165122  Luzula comosa Peter Rubtzoff 1974-4-17 7369 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC436741  Luzula comosa var. comosa John Thomas Howell 1937-6-6 13033 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC436742  Luzula comosa var. comosa Peter Rubtzoff 1951-6-7 131 Sonoma Pitkin Marsh. near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC436743  Luzula comosa var. comosa Peter Rubtzoff 1951-6-7 131 Sonoma Pitkin Marsh. near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC436744  Luzula comosa var. comosa Peter Rubtzoff 1951-7-28 556 Sonoma Pitkin Marsh. near Forestville. Northern half of Lower Marsh Comment
  RSA244326  Luzula comosa var. comosa Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1089 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UC1122875  Lythrum hyssopifolia H. S. Yates 1936-5-16 5599 Sonoma 2 mi se of Forestville (Pitkin Marsh); Pitkin Marsh 30 Comment
  CAS-BOT-BC166732  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  UCD165253  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  UCR222554  Madia madioides George K. Helmkamp, E. A. Helmkamp 2010-6-5 16244 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC166726  Madia sativa Peter Rubtzoff 1962-10-23 5124 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  UCD113227  Malus pumila Peter Rbtzoff 1952-5-31 1102 Sonoma Pitkin Marsh, near Forestville. Comment
  UC1042431  Malus pumila var. domestica Peter Rubtzoff 1951-11-24 847 Sonoma near Forestville (Pitkin Marsh, Upper Marsh, uppermost part of w branch); Pitkin Marsh Comment
  CAS-BOT-BC173561  Marah Peter Rubtzoff 1980-5-26 9448 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  UCD163796  Marah Peter Rubtzoff 1980-5-26 9448 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  HSC7020  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi. NE of Graton 30 Comment
  SBBG32440  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi NE of Graton 30 Comment
  UCD107655  Marah fabacea Lewis S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi. ne. of Graton. 30 Comment
  UCD87388  Melica harfordii B. Crampton 1955-6-17 2927 Sonoma 1.6 miles west of Forestville. Comment
  CAS-BOT-BC164405  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh Comment
  UCR279859  Melissa officinalis Peter Rubtzoff 1965-9-5 5639 Sonoma North Coast Ranges, Forest Hills, 5.5 miles east of Guerneville 9 Comment
  CAS-BOT-BC164067  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guerneville Road). Comment
  CAS-BOT-BC164353  Mentha Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  CAS-BOT-BC164362  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  CAS-BOT-BC164387  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guerneville Road). Comment
  CAS-BOT-BC164425  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road). Comment
  UCR244600  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton, 1.5 mi north of Guerneville Road 23 Comment
  UCR244668  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) 30 Comment
  POM63046  Mentha arvensis var. villosa A. A. Heller 1902-6-27 5787 Sonoma West of Windsor near Russian river. Comment
  UCD166502  Mentha canadensis Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guerneville Road). Comment
  UC353819  Mentha pulegium Milo S. Baker 1928-6-28 3194 b Sonoma Pitkins Farm Comment
  CAS-BOT-BC164713  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  RSA785148  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  RSA785149  Mentha rotundifolia Peter Rubtzoff 1973-8-28 7276 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC164694  Mentha spicata Peter Rubtzoff 1973-8-28 7275 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC164705  Mentha spicata Peter Rubtzoff 1960-9-14 4557 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road). Open, moist ground. Comment
  CAS-BOT-BC166975  Mentha spicata Peter Rubtzoff 1968-8-24 5936 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA785143  Mentha spicata Peter Rubtzoff 1968-8-24 5936 Sonoma Forest Hills, 5.5 mi E of Guerneville. On Russian River bank. Comment
  UCR244615  Mentha spicata Peter Rubtzoff 1955-8-28 2112 Sonoma Forestville Marsh 71 Comment
  UCR244652  Mentha spicata Peter Rubtzoff 1960-9-14 4557 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) 30 Comment
  UCD165333  Mentha suaveolens Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC428955  Micranthes californica H. L. Mason 1931-3-7 5807 Sonoma Vine Hill School, 12 miles west of Santa Rosa Comment
  CAS-BOT-BC312699  Mimulus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC320530  Mimulus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh. Comment
  UCR248873  Mimulus guttatus Peter Rubtzoff 1955-7-9 1928 Sonoma North Coast Range, Forestville Marsh 71 Comment
  UCR252545  Mimulus guttatus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh, near Forestville 38 Comment
  UCR275268  Mimulus guttatus Peter Rubtzoff 1955-7-9 1929 Sonoma North Coast Range, Forestville Marsh 71 Comment
  JEPS19393  Mimulus inodorus G. Thomas Robbins 1937-6-5 226 Sonoma 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  JEPS74597  Mimulus inodorus L. R. Heckard 1974-8-21 3825 A Sonoma near end Templeton road (s-central part of marsh); Pitkin Marsh Comment
  UC1051635  Mimulus inodorus Peter Kamb 1950-6-16 1864 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  UC353818  Mimulus inodorus Milo S. Baker 1928-6-28 3191 b Sonoma Pitkin's Marsh Vine Hill District Comment
  UC1042504  Mimulus microphyllus Peter Rubtzoff 1951-6-2 104 Sonoma near Forestville (w branch of marsh); Pitkin Marsh Comment
  UCD160370  Mimulus microphyllus Nellie Coffey 1931-3-31 s.n. Solano Green Valley. Comment
  CAS-BOT-BC166932  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  UCD165123  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  CDA5598  Myosotis discolor T. C. Fuller 1958-5-24 3984 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  JEPS21579  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Ranch, Pitkin Marsh Comment
  JEPS23179  Myosotis discolor Reino Alava 1955-5-24 2044 Sonoma Pitkin Marsh n.w. of Sebastopol; Pitkin Marsh Comment
  JEPS23885  Myosotis discolor G. Thomas Robbins 1937-5-23 198 Sonoma ca. 10 mi. w. Santa Rosa (marsh on Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  RSA264759  Myosotis discolor Peter Rubtzoff 1974-5-25 7475 Sonoma Upper Green Valley Marsh. Comment
  RSA517354  Myosotis discolor L. T. Dempster 1958-5-24 1104 Sonoma Pitkin Marsh (on Pitkin Ranch). Comment
  UC1051631  Myosotis discolor Peter Kamb and Francia Chisaki 1950-6-16 1867 Sonoma n.w. Sebastopol (1 mi. n. of Sousa Corners); Pitkin Marsh Comment
  UC1199520  Myosotis discolor Reino Alava 1955-5-24 2044 Sonoma Pitkin Marsh n.w. of Sebastopol; Pitkin Marsh Comment
  UC572663  Myosotis discolor G. Thomas Robbins 1937-5-23 198 Sonoma Pitkin Marsh Vine Hill Region, Pitkin Marsh Comment
  UC903210  Myosotis discolor Ethel Crum 1940-5-26 2114 Sonoma Pitkin Marsh near Vine Hill; North Coast Ranges, Pitkin Marsh Comment
  UCD119516  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Marsh, Pitkin Ranch. Comment
  UCR222562  Myosotis latifolia George K. Helmkamp, E. A. Helmkamp 2010-6-5 16253 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC101793  Myrica californica Peter Rubtzoff 1951-9-2 727 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC101794  Myrica californica Peter Rubtzoff 1951-9-2 727 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC101795  Myrica californica Peter Rubtzoff 1952-3-23 876 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC101799  Myrica californica John Thomas Howell; J. W. Stacey 1936-7-26 12687 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  UC1042426  Myrica californica Peter Rubtzoff 1952-5-31 1113 Sonoma near Forestville (Pitkin Marsh, s. of Upper Marsh); Pitkin Marsh Comment
  UC1135951  Myrica californica H. S. Yates 1936-5-15 5597 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  CAS-BOT-BC260276  Nassella pulchra Bolander 1864-4-1 s.n. Sonoma Mark West Creek Comment
  RSA126814  Nassella pulchra H. S. Yates 1937-5-30 6549 Sonoma Four miles northwest of Graton. 915 Comment
  UC1133204  Nassella pulchra H. S. Yates 1937-5-30 6549 Sonoma 4 mi nw Graton; Sebastopol Quadrangle Comment
  CAS-BOT-BC60515  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC60516  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC60517  Nasturtium officinale Peter Rubtzoff 1951-6-9 173 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC60522  Nasturtium officinale Peter Rubtzoff 1960-5-22 4411 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  GH385255  Navarretia bakeri P. Rubtzoff 1966-5-30 5745 Unknown Laguna de Santa Rosa northeast of Graton, at end of Piner Road Comment
  CAS-BOT-BC230367  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1966-7-4 5773 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  JEPS43458  Navarretia leucocephala subsp. bakeri W. L. Jepson 1921-6-2 9302 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  UC30204  Navarretia leucocephala subsp. bakeri H. N. Bolander 1866-1 3893 Sonoma Mark West Creek Comment
  RSA227205  Navarretia leucocephala subsp. plieantha Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road Comment
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Dec 22 2014
  RSA227206  Navarretia leucocephala subsp. plieantha Peter Rubtzoff 1966-5-30 s.n. Sonoma Laguna de Santa Rosa, northwest [NE] of Graton, at end of Piner Road. Comment
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Dec 22 2014
  JEPS30771  Navarretia viscidula G. Thomas Robbins 1938-6-23 270 Sonoma ca 10 mi w Santa Rosa (just e of marsh on Pitkin ranch); Vine Hill Region Comment
  JEPS70509  Navarretia viscidula W. L. Jepson 1921-6-2 9298 Sonoma w of Windsor Comment
  UC1094035  Navarretia viscidula Lewis S. Rose 1955-6-27 55109 Sonoma 10 mi w Santa Rosa (junction of Vine Hill and School Roads) 45 Comment
  UC353820  Navarretia viscidula Milo S. Baker 1928-6-28 3196 b Sonoma Pitkin Farm Comment
  UC631639  Navarretia viscidula G. Thomas Robbins 1938-6-23 270 Sonoma just e Pitkin Marsh; Vine Hill Region Comment
  CAS-BOT-BC157971  Nicotiana Peter Rubtzoff 1974-8-3 7793 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River Comment
  CAS-BOT-BC164379  Nicotiana Peter Rubtzoff 1974-8-3 7792 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River 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
  CAS-BOT-BC231512  Nicotiana Peter Rubtzoff 1986-9-28 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC290672  Nicotiana Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River 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
  UCD164977  Nicotiana acuminata var. multiflora Peter Rubtzoff 1974-8-3 7793 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  UCR248360  Nicotiana acuminata var. multiflora Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC400123  Nuphar polysepala Peter Rubtzoff 1960-9-14 4543 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads) Comment
  UCR255673  Oemleria cerasiformis Greg de Nevers 1998-5-20 11255 Sonoma North Coast Range, Mark West Creek on Cresta Ranch Comment
  UC1084460  Oenanthe sarmentosa G. Thomas Robbins 1937-6-5 222 Sonoma ca. 10 mi. w. Santa Rosa (Marsh on Pitkin Ranch, Vine Hill Region); Vine Hill region, Marsh on Pitkin Ranch Comment
  UCR222527  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16250 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC227649  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC254465  Panicum Peter Rubtzoff 1986-9-28 9749 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC254466  Panicum Peter Rubtzoff 1987-9-27 9859 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville Comment
  RSA784566  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River bottom at Forest HIlls, 5.5 mi east of Guerneville. Comment
  UCD166341  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR244746  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UC1131619  Panicum acuminatum var. acuminatum H. S. Yates 1936-5-16 5589 Sonoma 2 mi se Forestville; Sebastopol Quad. 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
  UCSB432  Panicum acuminatum var. fasciculatum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  CAS-BOT-BC253773  Panicum capillare Peter Rubtzoff 1971-10-11 6719 Sonoma Russian River, Forest Hills, 5.5 miles E of Guerneville Comment
  JEPS66219  Parentucellia viscosa T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6904 Sonoma s central Pitkin Marsh (near end of Templeton Road) Comment
  SJSU5985  Parentucellia viscosa C. W. Sharsmith 1972-6-24 7806 Sonoma edge of Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol 48 Comment
  CAS-BOT-BC259618  Paspalum Peter Rubtzoff 1987-9-27 9852 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville 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-BC154990  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC265691  Paspalum distichum Peter Rubtzoff 1951-7-14 432 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC265692  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC265697  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UCD148512  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). Comment
  UC76109  Pedicularis densiflora Milo S. Baker 1898-4-2 Sonoma near Forestville Comment
  RSA247449  Pennisetum glaucum Peter Rubtzoff 1968-9-21 5071 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville Comment
  SEINET8465052 Image available Pentagramma triangularis subsp. triangularis G. K. Helmkamp, E. A. Helmkamp 2010-6-5 16241 Sonoma North Coast Ranges: River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guemeville on slope above the Russian River 12 Comment
  UCR222556  Pentagramma triangularis subsp. triangularis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16241 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC222741  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1951-8-19 666 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC222743  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  CAS-BOT-BC222744  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1951-9-15 752 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC222749  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  RSA224288  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Southern part of the Upper Marsh Comment
  UC1329519  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  UC1329520  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  UC1329521  Perideridia kelloggii Peter Rubtzoff 1967-9-16 5884 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  CAS-BOT-BC413662  Persicaria amphibia Peter Rubtzoff 1963-7-14 5198 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC413663  Persicaria amphibia Peter Rubtzoff 1960-5-29 4425 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC418902  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4535 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC418905  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4526 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC418906  Persicaria hydropiperoides Peter Rubtzoff 1960-9-17 4565 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  CAS-BOT-BC418911  Persicaria hydropiperoides Peter Rubtzoff 1963-10-5 5289 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC418912  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4540 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC418913  Persicaria hydropiperoides Peter Rubtzoff 1961-9-6 4739 Sonoma Laguna de Santa Rosa area northeast of Graton Comment
  CAS-BOT-BC418915  Persicaria hydropiperoides Peter Rubtzoff 1963-10-5 5290 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC418918  Persicaria hydropiperoides Peter Rubtzoff 1958-8-16 3880 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC418924  Persicaria hydropiperoides Peter Rubtzoff 1960-6-9 4476 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  SD123635  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4526 Sonoma Laguna de Santa Rosa east of Graton, (betw. Occidental and Guerneville rds.) Comment
  SJSU5986  Persicaria hydropiperoides C. W. Sharsmith 1972-6-24 7807 Sonoma Laguna de Santa Rosa, N of Sebastopol, E of Graton Comment
  CAS-BOT-BC419110  Persicaria lapathifolia Peter Rubtzoff 1960-6-25 4516 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419113  Persicaria lapathifolia Peter Rubtzoff 1963-8-24 5244 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC419114  Persicaria lapathifolia Peter Rubtzoff 1968-9-21 5979 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC419432  Persicaria punctata John Thomas Howell; J. W. Stacey 1936-7-26 12682 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  UC753396  Phacelia californica Florence Signaigo and Thomas Morley 1946-5-19 129 Sonoma Vine Hill School rd 5-6 mi n Sebastopol 30 Comment
Read comments
Dec 30 2011
  JEPS35562  Phacelia egena L. R. Heckard 1964-6-11 1370 Sonoma along Trenton-Healdsburg road (Eastside Rd) 2 1/2 mi s junction with Windsor River Road Comment
  UC901847  Phacelia imbricata Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 671 Sonoma 1 mi nw Lafayette School (ca 5 mi e of Guerneville); Fred McMurray Ranch Comment
  CAS-BOT-BC265841  Phalaris arundinacea Peter Rubtzoff 1962-6-21 4943 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road, Sonoma County Marshes Comment
  RSA227232  Phalaris arundinacea Peter Rubtzoff 1962-5-25 4832 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  RSA227235  Phalaris arundinacea Peter Rubtzoff 1958-5-17 3659 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd.) Comment
  SJSU5975  Phalaris arundinacea C. W. Sharsmith 1972-6-24 7809 Sonoma by marshland of Laguna de Santa Rosa, N of Sebastopol, E of Graton, southern Sonoma County Comment
  UC1132438  Phalaris paradoxa H. S. Yates 1937-6-6 6578 Sonoma near Windsor; Healdsburg Quad. Comment
  CAS-BOT-BC260876  Phleum pratense Peter Rubtzoff 1951-7-8 402 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC260877  Phleum pratense Peter Rubtzoff 1951-7-7 382 Sonoma Eastern branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  GH355104  Phoradendron macrophyllum P. Rubtzoff 1965-10-10 5655 Unknown Laguna de Santa Roas northeast of Graton (nr. Guerneville Rd.) Comment
  RSA247439  Phoradendron macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd). Comment
  CAS-BOT-BC141057  Phoradendron serotinum subsp. macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa NE of Graton (W. Guerneville Rd. crossing) Comment
  CAS-BOT-BC251152  Phyla Peter Rubtzoff 1973-9-8 7305 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC251214  Phyla nodiflora Peter Rubtzoff 1973-9-4 7301 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC140616  Physocarpus capitatus Peter Rubtzoff 1951-6-12 282 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC140621  Physocarpus capitatus Peter Rubtzoff 1958-5-4 3627 Sonoma Forestville Marsh Comment
  CAS-BOT-BC140625  Physocarpus capitatus Peter Rubtzoff 1955-5-21 1874 Sonoma Forestville Marsh Comment
  UCR279635  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, northeast of Graton, c. 0.5 mile north of Guerneville [Rd.] 26 Comment
  RSA620415  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5169 Sonoma Laguna de Santa Rosa, east of Graton Comment
  RSA620416  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5161 Sonoma Laguna de Santa Rosa, east of Graton Comment
  RSA620417  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5160 Sonoma Laguna de Santa Rosa, east of Graton Comment
  RSA620971  Plagiobothrys bracteatus Peter Rubtzoff 1959-4-18 4028 Sonoma Laguna de Santa Rosa northeast of Graton, about 0.5 miles north of Guerneville road crossing Comment
  UCR105442  Plagiobothrys bracteatus Peter Rubtzoff 1959-4-18 4028 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  UCR118791  Plagiobothrys greenei Beecher Crampton 1955-4-5 2413 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  UCR119034  Plagiobothrys nothofulvus Beecher Crampton 1955-4-5 2414 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  CAS-BOT-BC290688  Plantago Peter Rubtzoff 1987-10-17 9876 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC258383  Plantago subnuda Peter Rubtzoff 1960-6-9 4489 Sonoma Laguna de Santa Rosa area northeast of Graton, near Laguna Road. Comment
  JEPS19390  Plantago subnuda G. Thomas Robbins 1937-5-23 207 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  JEPS19391  Plantago subnuda G. Thomas Robbins with John Weiler 1937-6-5 220 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  UC565399  Plantago subnuda G. Thomas Robbins 1937-6-5 220 Sonoma Pitkin Ranch, Vine Hill region, about 10 miles west of Santa Rosa. Comment
  UC1057476  Platanthera leucostachys G. Thomas Robbins 1937-5-23 208 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
  UC1084455  Platanthera leucostachys G. Thomas Robbins 1937-5-23 217 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
  UC1134746  Platanthera leucostachys H. S. Yates 1936-5-16 5594 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quad. 30 Comment
  UC565373  Platanthera leucostachys G. Thomas Robbins 1937-6-5 217 Sonoma about ten mi w Santa Rosa; Vine Hill Region, Pitkin Ranch Comment
  UC1051634  Platanthera limosa Peter Kamb 1950-6-16 1857 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
Read comments
1
  CAS-BOT-BC173704  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC255612  Poa annua Peter Rubtzoff 1952-3-23 884 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the E Comment
  RSA796695  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  UCD163792  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  HSC10653  Poa bulbosa C. S. Chavez 1965-4-19 45 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  CAS-BOT-BC256029  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC256030  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC256031  Poa pratensis Peter Rubtzoff 1960-6-5 4431 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  RSA126953  Poa pratensis H. S. Yates 1936-5-16 5602 Sonoma 2 miles SE of Forestville 30 Comment
  UC573876  Poa pratensis subsp. pratensis H. S. Yates 1936-5-16 5602 Sonoma 2 mi se Forestville (Pithens Marsh); Sebastopol Quadrangle Comment
  CAS-BOT-BC244191  Poa trivialis Peter Rubtzoff 1960-6-5 4435 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC244192  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC244193  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC244197  Poa trivialis Peter Rubtzoff 1960-6-5 4430 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC320591  Poaceae Peter Rubtzoff 1970-9-2 6366 Sonoma Russian River bottom at Mirabel Park. Comment
  UCD160386  Polygala californica Nellie Coffey 1931-3-31 s.n. Solano Green Valley. Comment
  CAS-BOT-BC110537  Polygonum Peter Rubtzoff 1987-9-27 9854 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC110538  Polygonum Peter Rubtzoff 1986-9-28 9751 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC290616  Polygonum Peter Rubtzoff 1986-9-28 9751 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA234469  Polygonum hydropiper Peter Rubtzoff 1966-9-25 5821 Sonoma Laguna de Santa Rosa E of Graton, betw. Occidental and Guerneville Roads. Comment
  RSA234544  Polygonum hydropiperoides Peter Rubtzoff 1960-9-14 4535 Sonoma Laguna de Santa Rosa, E of Graton, (between Occidental and Guerneville road) Comment
  UC1042522  Polygonum punctatum Peter Rubtzoff 1952-10-26 1338 Sonoma Lower Marsh Pitkin Marsh (near Forestville) Comment
  UCR222568  Polypodium glycyrrhiza George K. Helmkamp, E. A. Helmkamp 2010-6-5 16237 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC232937  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC232938  Polypogon Peter Rubtzoff 1986-7-13 9724 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville 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-BC311839  Polypogon Peter Rubtzoff 1986-9-28 9743 Sonoma Russian River at Forest Hills, 5.5 miles east 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-BC312688  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC320497  Polypogon Peter Rubtzoff 1973-9-4 7294 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC320506  Polypogon Peter Rubtzoff 1973-9-8 7304 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC331489  Polypogon Peter Rubtzoff 1973-9-4 7293 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC331490  Polypogon Peter Rubtzoff 1973-9-8 7303 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC350942  Polypogon Peter Rubtzoff 1968-9-21 5981 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0034038  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR254897  Polypogon Peter Rubtzoff 1968-9-21 5981 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC233001  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC233003  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC233189  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville, N half of Lower Marsh Comment
  CAS-BOT-BC233191  Polypogon interruptus Peter Rubtzoff 1955-7-31 2013 Sonoma Forestville Marsh Comment
  CAS-BOT-BC233193  Polypogon interruptus Peter Rubtzoff 1955-5-21 1868 Sonoma Forestville Marsh Comment
  CAS-BOT-BC233197  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  CAS-BOT-BC331491  Polypogon interruptus Peter Rubtzoff 1973-7-24 7194 Sonoma Upper Green Valley Marsh. Comment
  UC1026466  Polypogon interruptus Peter Rubtzoff 1951-7-14 431 Sonoma near Forestville (Pitkin Marsh, southern half Lower Marsh); Pitkin Marsh, Lower Marsh Comment
  CAS-BOT-BC233224  Polypogon maritimus Peter Rubtzoff 1969-11-2 6205 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC233228  Polypogon maritimus Peter Rubtzoff 1969-8-27 6162 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC237403  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  CAS-BOT-BC237404  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  CAS-BOT-BC237406  Polypogon monspeliensis Peter Rubtzoff 1955-7-9 1935 Sonoma Forestville Marsh Comment
  CAS-BOT-BC237407  Polypogon monspeliensis Peter Rubtzoff 1955-7-31 2013 A Sonoma Forestville Marsh Comment
  UCR248741  Polypogon monspeliensis Peter Rubtzoff 1973-9-8 7303 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCR248766  Polypogon monspeliensis Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCR248904  Polypogon monspeliensis Peter Rubtzoff 1973-9-4 7293 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC237613  Polypogon viridis Peter Rubtzoff 1960-6-5 4439 Sonoma Laguna de Santa Rosa are NE of Graton, near the Laguna Road Comment
  UCR222529  Polystichum imbricans subsp. imbricans George K. Helmkamp, E. A. Helmkamp 2010-6-5 16248 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC72483  Polystichum munitum Peter Rubtzoff 1952-3-22 862 Sonoma bordering the Upper Marsh in the west Comment
  CAS-BOT-BC72484  Polystichum munitum Peter Rubtzoff 1952-3-22 862 Sonoma bordering the Upper Marsh in the west Comment
  UCR222555  Polystichum munitum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16243 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC257354  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD163795  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC102354  Populus alba Peter Rubtzoff 1972-9-3 6882 Sonoma Forestville Marsh Comment
  CAS-BOT-BC108549  Populus balsamifera Peter Rubtzoff 1986-8-31 9737 Sonoma On river bank off Summerhome Park road 0.2 mile west of Forest Hills Road Comment
  CAS-BOT-BC102668  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  CAS-BOT-BC102669  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  CAS-BOT-BC102670  Populus fremontii Peter Rubtzoff 1965-8-22 5609 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  RSA262242  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area. Ca. 25 yards from creek draining the Forestville Marsh. Comment
  RSA595078  Populus trichocarpa Peter Rubtzoff 1986-8-31 9737 Sonoma Off Summerhome Park Road 0.2 mile W of Forest HIlls Road. Comment
  UCR105438  Portulaca oleracea Peter Rubtzoff 1965-8-22 5610 Sonoma North Coast Ranges, Russian River, Forest Hills 5.5 miles east of Guerneville 9 Comment
  CAS-BOT-BC251265  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  RSA800334  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh. Comment
  UC441347  Potamogeton nodosus Milo S. Baker Aug. 1900 Sonoma near Laguna; Mark West Creek Comment
  UCD165769  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC257973  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  RSA800893  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  UCD165770  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  UC1288497  Prunella Andrew P. Nelson 1960-8-3 646 C Sonoma Pitkin Marsh Comment
  UC1288498  Prunella Andrew P. Nelson 1960-8-3 646 -B Sonoma Pitkin Marsh Comment
  UC1288500  Prunella Andrew P. Nelson 1960-1 646 -9 Sonoma Pitkin Marsh Comment
  UCD125331  Prunella vulgaris Charles B. Heiser Jr. 1946-5-19 1737 Sonoma Vine Hill, west of Santa Rosa Comment
  GH400857  Prunella vulgaris subsp. lanceolata A. P. Nelson 1960-8-3 646 Unknown Pitkin Marsh Comment
  UC1051657  Prunella vulgaris var. lanceolata Peter Kamb and Francia Chisaki 1950-6-16 1858 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
  UC1084462  Prunella vulgaris var. lanceolata G. Thomas Robbins 1937-6-5 225 Sonoma about 10 mi w Santa Rosa (Vine Hill region) Comment
  UC1288496  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-8-3 646 Sonoma Pitkin Marsh Comment
  UC750811  Prunella vulgaris var. lanceolata Charles B. Heiser Jr. 1946-5-19 1737 Sonoma w Santa Rosa (Vine Hill); Vine Hill Comment
  UC1288499  Prunella vulgaris var. vulgaris Andrew P. Nelson 1960-8-3 646 A Sonoma Pitkin Marsh Comment
  UC1321010  Prunella vulgaris var. vulgaris Peter Rubtzoff 1961-9-6 4729 Sonoma ne Graton (Laguna de Santa Rosa area); , ne of Graton Comment
  CAS-BOT-BC158589  Prunus Peter Rubtzoff 1987-3-15 9757 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhome Park Road 0.2 miles west of Forest Hills Road Comment
  CAS-BOT-BC159825  Prunus angustifolia Peter Rubtzoff 1952-5-31 1107 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC159826  Prunus angustifolia Peter Rubtzoff 1952-5-31 1107 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville 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-BC80182  Pseudotsuga menziesii Peter Rubtzoff 1951-8-18 636 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC80183  Pseudotsuga menziesii Peter Rubtzoff 1951-8-18 636 Sonoma Western branch of the Upper Marsh Comment
  UC1042434  Pseudotsuga menziesii var. menziesii Peter Rubtzoff 1951-8-18 636 Sonoma w branch of the Upper Marsh in a thicket on damp ground Pitkin Marsh, Upper Marsh (near Forestville) Comment
  CAS-BOT-BC166787  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC166938  Psilocarphus Peter Rubtzoff 1966-5-30 s.n. Sonoma Laguna de Santa Rosa, northeast of Graton, ca. 0.5 mi. N of Guerneville Road. Comment
  UCD166080  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC72689  Pteridium aquilinum Peter Rubtzoff 1951-8-18 613 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC72690  Pteridium aquilinum Peter Rubtzoff 1951-8-18 613 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  UCR222563  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-6-5 16252 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC334469  Pyracantha fortuneana G. K. Helmkamp; E. A. Helmkamp 2010-6-5 16254 Sonoma North Coast Ranges: junction of Martinelli Rd and River Rd, 4.65 air mi. due E of Guerneville 9 Comment
  UCR222561  Pyracantha fortuneana George K. Helmkamp, E. A. Helmkamp 2010-6-5 16254 Sonoma North Coast Ranges, junction of Martinelli Road and River Road, 4.65 air mi. due east of Guerneville 9 Comment
  UC1042430  Pyrus communis Peter Rubtzoff 1952-10-26 1329 Sonoma near Forestville (Pitkin Marsh, w branch of Upper Marsh); Pitkin Marsh Comment
  UC424768  Quercus X morehus Milo S. Baker Jun 1929 3570 b Sonoma near Vine Hill School House Comment
  UC424815  Quercus X morehus unknown 1930-3-1 3880 Sonoma Vine Hill Region, on <?>rei Ranch Vine Hill Region Comment
  CAS-BOT-BC61631  Quercus agrifolia Lewis S. Rose 1960-9-14 60097 Sonoma Laguna de Santa Rosa 4 mi. ne. of Graton 15 Comment
  CAS-BOT-BC61635  Quercus agrifolia Peter Rubtzoff 1951-8-18 639 Sonoma Pitkin marsh, near Forestville. In area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC61636  Quercus agrifolia Peter Rubtzoff 1951-8-18 639 Sonoma Pitkin marsh, near Forestville. In area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC61637  Quercus agrifolia Peter Rubtzoff 1951-9-15 746 Sonoma Pitkin marsh, near Forestville. Western branch of the Upper Marsh Comment
  RSA155532  Quercus agrifolia L. S. Rose 1960-9-14 60097 Sonoma Laguna de Santa Rosa, 4 miles NE of Graton. 15 Comment
  JEPS37408  Quercus douglasii W. L. Jepson 1918-6-21 Sonoma w of Windsor (Calhoun Ranch) Comment
  SJSU10158  Quercus garryana A. W. Jacobs 1946-8-15 Sonoma by Russian R, N of Forestville Comment
  UCD46063  Quercus garryana var. garryana G. L. Stebbins Jr. 1945-10-7 3586 Sonoma 2 miles northwest of Forestdale, along highway to Guerneville. Comment
  UCD46086  Quercus garryana var. garryana J. M. Tucker 1950-11-19 2016 Sonoma 9.8 miles south of Healdsburg, beside road to Rio Nido, Sonoma County, California. Comment
  UC1042508  Quercus kelloggii Peter Rubtzoff 1951-8-18 635 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC62801  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Pitkin Marsh, near Forestville, Western branch of the Upper Marsh Comment
  CAS-BOT-BC62802  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Pitkin Marsh, near Forestville, Western branch of the Upper Marsh Comment
  CAS-BOT-BC62849  Quercus lobata Peter Rubtzoff 1951-11-24 835 Sonoma Pitkin Marsh, near Forestville, south of the Upper Marsh Comment
  CAS-BOT-BC62850  Quercus lobata Peter Rubtzoff 1951-11-24 835 Sonoma Pitkin Marsh, near Forestville, south of the Upper Marsh Comment
  UC1042517  Quercus lobata Peter Rubtzoff 1951-11-24 836 Sonoma near Forestville (s of the Upper Marsh); Pitkin Marsh Comment
  UCD46834  Quercus lobata Peter Rubtzoff 1951-8-18 638 Sonoma Near Forestville. Comment
  RSA534581  Ranunculus californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  POM150531  Ranunculus lobbii A. A. Heller 1902-3-14 s.n. Sonoma Near Windsor. Comment
  RSA534585  Ranunculus muricatus Peter Rubtzoff 1969-5-11 6033 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UCR222564  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16251 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  RSA534614  Ranunculus occidentalis var. eisenii Peter Rubtzoff 1974-4-17 7368 Sonoma Upper Green Valley Marsh area. Comment
  UC1057477  Ranunculus orthorhynchus var. bloomeri G. Thomas Robbins 1937-5-23 209 Sonoma about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC53742  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  CAS-BOT-BC53743  Rhododendron columbianum Peter Rubtzoff 1951-7-22 540 Sonoma Pitkin Marsh, near Forestville - Northern half of Lower Marsh Comment
  CAS-BOT-BC53744  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  CAS-BOT-BC53745  Rhododendron columbianum Lewis S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hill Road, 10 mi. w. of Santa Rosa 30 Comment
  UCD117871  Rhododendron columbianum J. M. Tucker 1958-5-24 3387 Sonoma Northwest end of Pitkin Marsh, ca. 1 1/4 miles east-southeast of Forestville. Comment
  SBBG5547  Rhododendron neoglandulosum J. M. Tucker 1958-5-24 3387 Sonoma NW end of Pitkin Marsh, ca. 1.25 mi ESE of Forestville Comment
  UC1084452  Rhododendron occidentale G. Thomas Robbins 1937-5-23 204 Sonoma 10 mi w of Santa Rosa (Vine Hill Region, Pitkin Ranch); Vine Hill Region, Pitkin Ranch Comment
  UC157681  Rhododendron occidentale Milo S. Baker May, 1899 Sonoma near Forestville Comment
  UC750808  Rhododendron occidentale Charles B. Heiser Jr. 1946-5-19 1750 Sonoma Vine Hill Region, Pitkin Marsh Pitkin Marsh; Vine Hill Region, Pitkin Marsh Comment
  UCD117936  Rhododendron occidentale Charles B. Heiser Jr. 1946-5-19 1750 Sonoma Vine Hill region, Pitkin Marsh. Comment
  UCSB4804  Rhododendron occidentale Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  CAS-BOT-BC200342  Rhododendron occidentale var. occidentale Peter Rubtzoff 1955-5-21 1856 Sonoma Forestville Marsh. North facing slope bordering the Marsh in the south Comment
  CAS-BOT-BC200346  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC200347  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC200350  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  RSA256986  Rhododendron occidentale var. occidentale Gary D. Wallace 1973-5-18 1201 Sonoma East of Santa Rosa on Guerneville Rd to .25 miles east of Jct. with Hwy 116, then north on Vine Hill Rd. to Pitkin Tree Farm. Comment
  RSA71061  Rhododendron occidentale var. paludosum L. S. Rose 1951-6-7 51013 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  CAS-BOT-BC111861  Rhynchospora Peter Rubtzoff 1977-9-4 9132 Sonoma Pitkin Marsh, near Forestville. Northern part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111862  Rhynchospora alba Milo S. Baker; John Thomas Howell 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog. Comment
  CAS-BOT-BC111863  Rhynchospora alba Peter Rubtzoff 1951-6-7 123 Sonoma Pitkin Marsh; Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111864  Rhynchospora alba Peter Rubtzoff 1951-7-1 340 Sonoma Pitkin Marsh; Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111865  Rhynchospora alba Herbert L. Mason 1946-7-4 12880 Sonoma Pitkin Marsh; between Santa Rosa and Forestville. Comment
  CAS-BOT-BC111866  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111870  Rhynchospora alba Peter Rubtzoff 1951-6-16 252 Sonoma Pitkin Marsh: Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC111871  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111872  Rhynchospora alba Hans Leschke; John Thomas Howell 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111873  Rhynchospora alba Hans Leschke; John Thomas Howell; Baker 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111874  Rhynchospora alba John Thomas Howell; Milo S. Baker; Hans Leschke 1945-7-18 21325 Sonoma Pitkin Marsh Comment
  JEPS83545  Rhynchospora alba Jack and Betty Guggolz 1987-6-9 892 Sonoma wet area at n end Pitkin Marsh (on what has been known as the Wilhoff property, now owned by Barry Samuels) Comment
  POM313092  Rhynchospora alba H. L. Mason 1946-7-4 12880 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  RSA74060  Rhynchospora alba Milo S. Baker 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog Comment
  UCD141229  Rhynchospora alba John Thomas Howell 1945-7-18 21325 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC111883  Rhynchospora californica Peter Rubtzoff 1951-7-28 560 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CAS-BOT-BC111884  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CAS-BOT-BC111885  Rhynchospora californica Peter Rubtzoff 1951-7-1 326 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CAS-BOT-BC111886  Rhynchospora californica Peter Rubtzoff 1951-7-1 326 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CAS-BOT-BC111887  Rhynchospora californica Peter Rubtzoff 1951-8-5 598 Sonoma Pitkin Marsh, Western branch of the Upper Marsh Comment
  CAS-BOT-BC111888  Rhynchospora californica Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111891  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  CAS-BOT-BC111892  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  CAS-BOT-BC111893  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  CAS-BOT-BC6187  Rhynchospora californica John Thomas Howell 1936-7-26 12679 Sonoma Pitkin Marsh, 5 miles N of Sebastopol Comment
  CHSC65438  Rhynchospora californica J. T. Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  GH27910  Rhynchospora californica J. T. Howell 1936-7-26 12679 Unknown Pitkin Marsn, 5 miles north of Sebastopol Comment
  NY51372  Rhynchospora californica J. T. Howell 1936-7-26 12679 Sonoma Pitkin Marsh, 5 mi N of Sebastopol. Comment
  RSA74058  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh, upper bog Comment
  UC1100685  Rhynchospora californica Herbert L. Mason 1946-7-4 12881 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  UC710417  Rhynchospora californica John Thomas Howell 1936-7-26 12679 Sonoma 5 mi n Sebastopol (Pitkin Marsh); Pitkin Marsh Comment
  UC963897  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh Comment
  UCD141231  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC111897  Rhynchospora capitellata Herbert L. Mason 1946-7-4 12881 Sonoma Pitkin Marsh; between Santa Rosa and Forestville Comment
  CAS-BOT-BC111898  Rhynchospora capitellata John Thomas Howell; J. W. Stacey 1936-7-26 12677 Sonoma Pitkin Marsh; 5 miles north of Sebastopol. Comment
  CAS-BOT-BC111899  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111900  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111901  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111902  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111903  Rhynchospora capitellata Peter Rubtzoff 1951-9-2 726 Sonoma Pitkin Marsh; lower part of the upper marsh. Comment
  CAS-BOT-BC111904  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh; lower part of the upper marsh. Comment
  CAS-BOT-BC111905  Rhynchospora capitellata Peter Rubtzoff 1951-7-22 529 Sonoma Pitkin Marsh; uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111906  Rhynchospora capitellata Peter Rubtzoff 1951-6-16 253 Sonoma Pitkin Marsh; uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111907  Rhynchospora capitellata John Thomas Howell; J. W. Stacey 1936-7-26 12677 Sonoma Pitkin Marsh; 5 miles north of Sebastopol. Comment
  POM303623  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA35297  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA74059  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  UC1026382  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  UC1026464  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 341 Sonoma uppermost part western branch of Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC1042503  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 325 Sonoma lower part Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC1055945  Rhynchospora capitellata Peter Kamb 1950-6-16 1855 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  UC1133746  Rhynchospora capitellata H. S. Yates 1936-5-16 5593 Sonoma 2 mi se Forestville; Sebastopol Quadrangle, Pitkin Marsh Comment
  UC710415  Rhynchospora capitellata John Thomas Howell 1936-7-26 12677 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  UCD141233  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh. Comment
  UCD141234  Rhynchospora capitellata Herbert L. Mason 1946-7-4 12881 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  UCD141235  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh, near Forestville. Upper Marsh. Comment
  CAS-BOT-BC111915  Rhynchospora globularis Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  SEINET4178848 Image available Rhynchospora globularis Unknown 1946-7-4 12882 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD141236  Rhynchospora globularis John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh. Comment
  JEPS83544  Rhynchospora globularis var. globularis Jack and Betty Guggolz 1987-6-9 891 Sonoma wet area at n end Pitkin Marsh (on what has been known as the Wilhoff property, now owned by Barry Samuels) Comment
  UC1026387  Rhynchospora globularis var. globularis John Thomas Howell 1945-7-18 Sonoma Pitkin Marsh Comment
  UC1100684  Rhynchospora globularis var. globularis Herbert L. Mason 1946-7-4 12882 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  UC710441  Rhynchospora globularis var. globularis John Thomas Howell 1936-7-26 12678 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  POM303625  Rhynchospora globularis var. recognita J. T. Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA35299  Rhynchospora globularis var. recognita J. T. Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC111929  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111930  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111931  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111932  Rhynchospora recognita John Thomas Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles n of Sebastopol. Comment
  CAS-BOT-BC111933  Rhynchospora recognita John Thomas Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles n of Sebastopol. Comment
  CAS-BOT-BC111934  Rhynchospora recognita Peter Rubtzoff 1951-6-30 321 Sonoma Pitkin Marsh, lower part of the Upper Marsh Comment
  CAS-BOT-BC111935  Rhynchospora recognita Peter Rubtzoff 1951-7-21 506 Sonoma Pitkin Marsh, Damp, open area between the Upper and Lower Marshes. Comment
  CAS-BOT-BC111936  Rhynchospora recognita Peter Rubtzoff 1951-7-21 506 Sonoma Pitkin Marsh, Damp, open area between the Upper and Lower Marshes. Comment
  CAS-BOT-BC111937  Rhynchospora recognita Peter Rubtzoff 1951-7-22 530 Sonoma Pitkin Marsh, Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111938  Rhynchospora recognita Peter Rubtzoff 1951-9-2 723 Sonoma Pitkin Marsh, western branch of the Upper Marsh. 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
  CAS-BOT-BC168993  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1952-3-23 899 Sonoma Damp area north of the Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC168995  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1955-4-30 1803 Sonoma Forestville Marsh Comment
  CAS-BOT-BC168998  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1962-4-18 4801 Sonoma Laguna de Santa Rosa northeast of Graton, near Laguna Road Comment
  CAS-BOT-BC168999  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1952-3-23 899 Sonoma Damp area north of the Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC169000  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1951-6-17 283 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC169001  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1951-6-16 211 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  UC75466  Ribes divaricatum var. pubiflorum Milo S. Baker 1898-4-2 21 Sonoma Forestville Comment
  CAS-BOT-BC344963  Rorippa curvisiliqua Peter Rubtzoff 1976-9-25 8902 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74696  Rorippa curvisiliqua Peter Rubtzoff 1958-5-17 3662 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC74701  Rorippa curvisiliqua Peter Rubtzoff 1958-9-27 4010 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  CAS-BOT-BC74702  Rorippa curvisiliqua Peter Rubtzoff 1959-4-19 4043 Sonoma Ross Marsh. Comment
  CAS-BOT-BC74705  Rorippa curvisiliqua Peter Rubtzoff 1968-9-21 5973 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74706  Rorippa curvisiliqua Peter Rubtzoff 1965-8-16 5594 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74707  Rorippa curvisiliqua Peter Rubtzoff 1965-8-16 5594 A Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74708  Rorippa curvisiliqua Peter Rubtzoff 1965-8-16 5594 B Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74713  Rorippa curvisiliqua Peter Rubtzoff 1974-4-17 7366 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC74715  Rorippa curvisiliqua Peter Rubtzoff 1976-9-25 8902 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74716  Rorippa curvisiliqua Peter Rubtzoff 1986-9-28 9750 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC10728  Rorippa curvisiliqua H. N. Bolander Apr 1864 3894 Sonoma Mark West Creek Comment
  CAS-BOT-BC152658  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152659  Rosa californica Peter Rubtzoff 1951-7-7 363 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152660  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152661  Rosa californica Peter Rubtzoff 1951-6-16 210 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  JEPS117050  Rotala ramosior Peter Warner 2008-8-26 91 Sonoma Lower Pitkin Marsh, 1 mi SE of Forestville, on Sonoma Land Trust parcel, N of primary stream channel, in small drainage downslope from adjacent, off-site water impoundment (pond). 41 Comment
  CAS-BOT-BC156574  Rubus Peter Rubtzoff 1951-6-30 290 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC156601  Rubus bifrons Peter Rubtzoff 1951-6-30 289 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC156602  Rubus bifrons Peter Rubtzoff 1951-6-30 289 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  RSA245523  Rubus discolor Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1086 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC157170  Rubus ursinus Peter Rubtzoff 1951-6-30 291 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC157176  Rubus ursinus Peter Rubtzoff 1951-6-30 290 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC157178  Rubus ursinus Peter Rubtzoff 1951-6-30 291 Sonoma Uppermost of the western branch of the Upper Marsh Comment
  CAS-BOT-BC166690  Rumex Peter Rubtzoff 1958-7-20 3791 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  RSA783795  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh. Area 27. Comment
  UC1042523  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma near Forestville (e branch of Upper Pitkin Marsh); Pitkin Marsh Comment
  UCD101063  Rumex acetosella Peter Rubtzoff 1951-7-7 366 Sonoma Pitkin Marsh near Forestville. Between the western and the eastern branches of the Upper Marsh. Comment
  UCR222560  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16238 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC166673  Rumex fueginus Peter Rubtzoff 1968-9-21 5972 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166743  Rumex fueginus Peter Rubtzoff 1963-10-5 5286 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC166746  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166799  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC166659  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC433696  Rumex obtusifolius Peter Rubtzoff 1987-7-18 9800 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road. Comment
  CAS-BOT-BC433697  Rumex obtusifolius Peter Rubtzoff 1987-7-18 9799 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road. Comment
  CAS-BOT-BC445771  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC445774  Sagittaria latifolia Peter Rubtzoff 1960-9-14 4525 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  CAS-BOT-BC445781  Sagittaria latifolia John Thomas Howell 1945-7-18 21316 Sonoma Pitkin Marsh Comment
  SEINET3895885  Sagittaria latifolia Lewis S. Rose 1960-9-14 60091 Sonoma Laguna de Santa Rosa 2 mi. e. of Graton.; 0 15 Comment
  UC728605  Sagittaria latifolia Milo S. Baker 1945-7-18 11119 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC290655  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC290682  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC290708  Salix Peter Rubtzoff 1974-4-6 7358 Sonoma Forestville Marsh. Comment
  GH384740  Salix A. A. Heller 1902-4-18 5329 Unknown Near Windsor on Russian River Comment
  UCR249033  Salix Peter Rubtzoff 1974-4-6 7358 Sonoma Forestville Marsh 71 Comment
  UCR249034  Salix Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC126267  Salix X sepulcralis Peter Rubtzoff 1952-3-23 905 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC126268  Salix X sepulcralis Peter Rubtzoff 1952-3-23 905 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC126269  Salix X sepulcralis Peter Rubtzoff 1952-5-31 1117 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC126270  Salix X sepulcralis Peter Rubtzoff 1951-8-19 645 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC126271  Salix X sepulcralis Peter Rubtzoff 1952-5-31 1117 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC290592  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  UCR249334  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC103087  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC103088  Salix bonplandiana Peter Rubtzoff 1963-10-5 5292 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC103091  Salix bonplandiana Peter Rubtzoff 1961-10-23 4782 Sonoma Laguna de Santa Rosa area northeast of Graton Comment
  CAS-BOT-BC103092  Salix bonplandiana Peter Rubtzoff 1960-5-29 4421 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  RSA534570  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  RSA534607  Salix bonplandiana Peter Rubtzoff 1960-5-29 4421 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  CAS-BOT-BC103946  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  RSA534564  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  CAS-BOT-BC103843  Salix exigua subsp. melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC103844  Salix exigua subsp. melanopsis Peter Rubtzoff 1972-9-8 6883 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River margin Comment
  CAS-BOT-BC290707  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. Comment
  RSA0035349  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. Comment
  GH383029  Salix hindsiana A. A. Heller 1902-4-18 5328 Unknown Near Windsor on Russian river Comment
  A383341  Salix laevigata A. A. Heller 1902-4-18 5335 Unknown Near Windsor on Russian river Comment
  GH383242  Salix laevigata A. A. Heller 1902-4-18 5335 Unknown Near Windsor on Russian River Comment
  A384144  Salix lasiandra A. A. Heller 1902-4-18 5329 Unknown Near Windsor on Russian river Comment
  GH384101  Salix lasiandra A. A. Heller 1902-4-18 5329 Unknown Near Windsor on Russian river Comment
  UC1042521  Salix lasiandra subsp. lasiandra Peter Rubtzoff 1951-11-24 837 Sonoma Pitkin Marsh near Forestville (between upper and lower marshes) Comment
  CAS-BOT-BC128061  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma Pitkin Marsh, near Forestville, south of Upper Marsh Comment
  CAS-BOT-BC128062  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 890 Sonoma Pitkin Marsh, near Forestville, lower part of the Upper Marsh Comment
  CAS-BOT-BC128063  Salix lasiandra var. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC128099  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma Pitkin Marsh, near Forestville, opening south of the Upper Marsh Comment
  CAS-BOT-BC128100  Salix lasiandra var. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC107096  Salix lasiolepis Peter Rubtzoff 1952-3-23 894 Sonoma south of the Upper Marsh Comment
  CAS-BOT-BC107097  Salix lasiolepis Peter Rubtzoff 1952-3-23 904 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC107100  Salix lasiolepis Peter Rubtzoff 1952-3-23 904 Sonoma Southern half of Lower Marsh Comment
  UC1042518  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Upper Marsh Pitkin Marsh (lower part, near Forestville) Comment
  UC1042519  Salix lasiolepis Peter Rubtzoff 1952-3-22 863 Sonoma Upper Marsh Pitkin Marsh (western branch, near Forestville) Comment
  UC1042520  Salix lasiolepis Peter Rubtzoff 1951-9-2 714 Sonoma marshy opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UCD111655  Salix lasiolepis Peter Rubtzoff 1951-8-19 646 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD111656  Salix lasiolepis Peter Rubtzoff 1952-3-22 867 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC128312  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1987-9-12 9849 Sonoma Russian river at Forest Hills, 5.5 mi. east of Guerneville 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-BC128316  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma A marshy opening south of the Upper Marsh 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
  CAS-BOT-BC128250  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of Upper Marsh in and open damp area - Pitkind Marsh, near Forestville Comment
  RSA534549  Salix melanopsis Peter Rubtzoff 1972-9-8 6883 Sonoma Forest Hills. 5.5 miles E of Guerneville. Russian River margin. Comment
  RSA534563  Salix melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC126199  Salix scouleriana Peter Rubtzoff 1951-8-18 627 Sonoma Western branch of the Upper Marsh 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
  CAS-BOT-BC128948  Salix sitchensis Peter Rubtzoff 1951-8-18 627 Sonoma Western branch of the Upper Marsh Comment
  RSA304941  Salix sitchensis James R. Shevock 1971-1-30 625 Sonoma Along Russian River. 12 Comment
  CAS-BOT-BC245887  Sambucus nigra subsp. caerulea Peter Rubtzoff 1980-5-26 9445 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC328134  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC328137  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  UCD166314  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma 6 miles east of Guerneville. 18 Comment
  UCR244592  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma Banks of Russian River, 6 mi east of Guerneville 18 Comment
  UC635550  Saxifraga californica H. L. Mason 1931-3-7 5807 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  UC635130  Saxifraga integrifolia H. L. Mason 1931-3-7 5808 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  CAS-BOT-BC111398  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1951-6-9 186 Sonoma Northern half of Lower Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC111438  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1960-6-25 4522 Sonoma Laguna de Santa Rosa northeast of Graton, ca 1/2 mi north of Guernebille Rd. crossing. Comment
  SJSU6046  Schoenoplectus acutus var. occidentalis C. W. Sharsmith 1972-6-24 7801 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  CAS-BOT-BC111836  Schoenoplectus tabernaemontani Peter Rubtzoff 1955-7-9 1930 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC111838  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-8-31 9734 Sonoma Russian River at Forest Hills, 5.5 miles East of Guerneville. Comment
  CAS-BOT-BC111839  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest Hills, 5.5 miles East of Guerneville. Comment
  CAS-BOT-BC111840  Schoenoplectus tabernaemontani Peter Rubtzoff 1965-8-16 5608 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC111841  Schoenoplectus tabernaemontani Peter Rubtzoff 1967-9-2 5878 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC111844  Schoenoplectus tabernaemontani Peter Rubtzoff 1987-9-27 9850 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  RSA595079  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest hills, 5.5 miles east of Guerneville 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
  UCD160363  Scrophularia californica Nellie Coffey 1931-3-31 s.n. Solano Green Valley. Comment
  CAS-BOT-BC5692  Scutellaria antirrhinoides Amos Arthur Heller 1902-6-27 5786 Sonoma West of Windsor near Russian river Comment
  GH1961  Scutellaria viarum A. A. Heller 1902-6-27 5786 Unknown W of Windsor near Russian R Comment
  NY415716  Scutellaria viarum A. A. Heller 1902-6-27 5786 Sonoma West of Windsor near Russian River Comment
  CAS-BOT-BC173685  Senecio vulgaris Peter Rubtzoff 1974-4-17 7380 Sonoma Upper Green Valley Marsh. Comment
  UCD165128  Senecio vulgaris Peter Rubtzoff 1974-4-17 7380 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC80318  Sequoia sempervirens A. A. Heller; H. E. Brown 1902-3-16 5080 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC80319  Sequoia sempervirens A. A. Heller; H. E. Brown 1902-3-16 5080 Sonoma Russian River, Near Trenton Comment
  GH357861  Sequoia sempervirens A. A. Heller 1902-3-16 5080 Unknown Russian River, Near Trenton, Sonoma County Comment
  NY64464  Sequoia sempervirens A. A. Heller 1902-3-16 5080 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC240152  Setaria pumila Peter Rubtzoff 1968-9-21 5971 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  JEPS54475  Sidalcea calycosa subsp. calycosa Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9314 Sonoma se Forestville (near eastern end of Templeman Road, Pitkin Marsh); Pitkin Marsh, se of Forestville 45 Comment
  CAS-BOT-BC187885  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1936-7-26 s.n. Sonoma Pitkin Marsh, near Sebastopol Comment
  CAS-BOT-BC187886  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-9-15 767 Sonoma Lower part of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC187887  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-19 640 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC187888  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-4 569 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC187889  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-19 640 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  SD56817  Sidalcea malviflora subsp. laciniata Darley F. Howe 1963-5-22 3522 Sonoma 10 miles west of Santa Rosa, on Vine Hill Road. 152 Comment
  SDSU8174  Sidalcea malviflora subsp. laciniata D. F. Howe 1963-5-22 3522 Sonoma Vine Hill Road, about 10 miles west of Santa Rosa 152 Comment
  CAS-BOT-BC320544  Silene Peter Rubtzoff 1974-5-25 7456 Sonoma Upper Green Valley Marsh. Comment
  UC1084461  Silene gallica G. Thomas Robbins 1937-6-5 224 Sonoma about 10 mi w Santa Rosa (Pitkin Ranch, Vine Hill region); Vine Hill Region, w of Santa Rosa, Pitkin Ranch Comment
  CAS-BOT-BC75370  Sisymbrium officinale Peter Rubtzoff 1951-7-21 490 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh. Near the highway. Comment
  CAS-BOT-BC75371  Sisymbrium officinale Peter Rubtzoff 1951-7-21 490 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh. Near the highway. Comment
  UC1032494  Sisyrinchium californicum H. S. Yates 1936-5-16 5587 Sonoma 2 mi se of Forestville 30 Comment
  UC1084445  Sisyrinchium californicum G. Thomas Robbins 1937-5-23 200 Sonoma 10 mi w of Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  CAS-BOT-BC164064  Solanum Peter Rubtzoff 1960-6-25 4521 Sonoma Laguna de Santa Rosa, east of Graton (between Occidental and Guerneville Roads). Comment
  CAS-BOT-BC164412  Solanum Peter Rubtzoff 1966-8-29 s.n. Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164415  Solanum Peter Rubtzoff 1960-9-14 4529 Sonoma Laguna de Santa Rosa, east of Graton (between Occidental and Guerneville Roads). Comment
  CAS-BOT-BC164418  Solanum Peter Rubtzoff 1965-8-22 5613 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164422  Solanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC166702  Solanum Peter Rubtzoff 1974-10-20 7939 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166713  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166973  Solanum Peter Rubtzoff 1958-9-20 3994 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 miles north Guerneville Road). Comment
  UCD165014  Solanum Peter Rubtzoff 1974-10-20 7939 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD167434  Solanum Peter Rubtzoff 1958-9-20 3998 Sonoma Laguna de Santa Rosa NE of Graton (0.5 mi. N Guerneville Rd). Comment
  UCR279860  Solanum americanum Peter Rubtzoff 1965-8-22 5612 Sonoma North Coast Ranges, Russian River, Forest Hills 5.5 miles east of Guerneville 9 Comment
  UCR281902  Solanum americanum Peter Rubtzoff 1965-9-11 5649 Sonoma North Coast Ranges, Russian River margin at Forest Hills, 5.5 miles east of Guerneville 9 Comment
  NY820383  Solanum xanti A. A. Heller 1902-3-16 5076 Sonoma Russian River, Near Trenton Comment
  UCD160382  Solanum xanti Nellie Coffey 1931-3-31 s.n. Solano Green Valley. Comment
  CAS-BOT-BC365583  Solidago elongata Peter Rubtzoff 1951-9-2 716 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  CAS-BOT-BC365584  Solidago elongata Peter Rubtzoff 1951-9-2 719 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC365585  Solidago elongata Peter Rubtzoff 1951-9-16 750 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC365586  Solidago elongata Peter Rubtzoff 1951-9-16 750 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  JEPS54471  Solidago elongata Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9318 Sonoma Pitkin Marsh 53 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-BC164073  Sonchus Peter Rubtzoff 1960-6-25 4512 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC164074  Sonchus Peter Rubtzoff 1960-6-25 4511 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UC1130589  Sparganium erectum subsp. stoloniferum H. S. Yates 1936-5-17 5634 Sonoma 2 mi ne Graton; Sebastopol Quad. 30 Comment
Read comments
Sep 25 2008
  CAS-BOT-BC251230  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  UCD166481  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. 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
  UCD160383  Stachys rigida Nellie Coffey 1931-5-1 s.n. Solano Green Valley. Comment
  SEINET9339824  Stachys rigida var. quercetorum Unknown 2010-6-5 16246 Sonoma Sonoma Co., CA Comment
  UCR222531  Stachys rigida var. quercetorum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16246 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC175333  Stellaria borealis subsp. sitchana Milo S. Baker 1928-4-28 3011 Sonoma Pitkin Swamp Comment
  CAS-BOT-BC175334  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-6-30 307 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC175336  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-6-9 153 Sonoma Northern half of Lower Marsh. The Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC175338  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-8-4 570 Sonoma Southern half of Lower Marsh. The Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC251170  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1938 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC251305  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-4-30 1809 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC251306  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1932 Sonoma Forestville Marsh. Comment
  UCR279647  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1938 Sonoma North Coast Range, Forestville Marsh 71 Comment
  UCD84818  Stellaria media Nellie Coffey 1931-3-31 s.n. Solano Green Valley. Comment
  JEPS26976  Streptanthus glandulosus subsp. secundus W. L. Jepson 1904-5-29 2430 Sonoma Mark West Creek Comment
  UC985961  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-7-30 1064 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Quicksilver Mine Comment
  CAS-BOT-BC258005  Symphoricarpos Peter Rubtzoff 1966-6-5 5754 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC258037  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC97817  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 768 Sonoma Lower part of the Upper Masrh Comment
  CAS-BOT-BC97818  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 763 Sonoma open ground bordering the central part of the Pitkin Marsh Comment
  CAS-BOT-BC98570  Symphyotrichum lentum Peter Rubtzoff 1961-9-6 4733 Sonoma Laguna de Santa Rosa area northeast of Graton - Sonoma County Marshes Comment
  CAS-BOT-BC98571  Symphyotrichum lentum Peter Rubtzoff 1961-9-6 4734 Sonoma Laguna de Santa Rosa area northeast of Graton - Sonoma County Marshes Comment
  CAS-BOT-BC99377  Symphyotrichum subspicatum Peter Rubtzoff 1951-9-15 768 Sonoma Lower part of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  UC1042435  Symphyotrichum subspicatum Peter Rubtzoff 1951-9-15 748 Sonoma Upper Marsh, Western branch Comment
  CAS-BOT-BC157679  Taraxacum Peter Rubtzoff 1974-4-17 7367 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC376986  Taraxacum officinale Peter Rubtzoff 1952-3-23 877 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC376987  Taraxacum officinale Peter Rubtzoff 1952-3-23 877 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh 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
  CDA27876  Thermopsis californica var. californica T. C. Fuller 1958-5-24 3993 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  SD88503  Tofieldia glutinosa subsp. occidentalis Darley F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh. Comment
  UC1101052  Tofieldia occidentalis subsp. occidentalis Herbert L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UC353822  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1928-6-28 3047 a Sonoma Pitkin Marsh Comment
  UCD93245  Torreyochloa pallida var. pauciflora H. S. Yates 1936-6-16 5590 Sonoma 2 miles SE of Forestville. 30 Comment
  CAS-BOT-BC169259  Toxicodendron diversilobum Peter Rubtzoff 1951-8-18 630 Sonoma Western branch of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC169260  Toxicodendron diversilobum Peter Rubtzoff 1951-8-18 630 Sonoma Western branch of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  UCD139866  Toxicoscordion fremontii L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  SDSU11972  Triantha occidentalis subsp. occidentalis D. F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh 46 Comment
  CAS-BOT-BC166758  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166760  Trifolium Peter Rubtzoff 1970-9-13 6386 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166775  Trifolium Peter Rubtzoff 1974-4-17 7376 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173570  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173625  Trifolium Peter Rubtzoff 1974-4-17 7374 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173640  Trifolium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh. Comment
  RSA784985  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  RSA784986  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  RSA784994  Trifolium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh Comment
  UC1299170  Trifolium ciliolatum Freed W. Hoffman 1946-3-6 1858 Sonoma above Quicksilver Mine (near Guerneville); North Coast Ranges Comment
  UC1026471  Trifolium dubium Peter Rubtzoff 1951-7-14 439 Sonoma near Forestville (s half of lower marsh, near hwy); Pitkin Marsh Comment
  UCD165126  Trifolium dubium Peter Rubtzoff 1974-4-17 7374 Sonoma Upper Green Valley Marsh. Comment
  UCD165162  Trifolium dubium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh. Comment
  UCD165125  Trifolium subterraneum Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  JEPS74301  Trifolium variegatum var. melananthum Peter Rubtzoff 1969-5-3 6023 Sonoma e Sebastopol (Laguna de Santa Rosa) Comment
  UC16790  Trifolium variegatum var. melananthum H. N. Bolander Apr 1864 3881 Sonoma Mark West Creek Coast Ranges Comment
  UCD165127  Trifolium willdenovii Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  UC1057464  Trifolium wormskioldii G. Thomas Robbins 1937-5-23 197 Sonoma ca 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  UCD139917  Trillium ovatum L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  JEPS66222  Triphysaria versicolor subsp. faucibarbata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6896 Sonoma Laguna de Santa Rosa e Graton; Laguna de Santa Rosa Comment
  CAS-BOT-BC200106  Trisetum canescens Peter Rubtzoff 1951-6-7 111 Sonoma Western branch of the Upper Marsh Comment
  RSA129126  Trisetum canescens H. S. Yates 1936-5-16 5600 Sonoma 2 miles SE of Forestville Comment
  UC1133276  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 2 mi se Forestville; Pitkin Marsh, Sebastopol Quad. 30 Comment
  RSA53840  Triteleia peduncularis J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  UC1084454  Triteleia peduncularis G. Thomas Robbins 1937-6-5 216 Sonoma ca 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  UC565400  Triteleia peduncularis G. Thomas Robbins 1937-6-5 216 Sonoma about ten mi w Santa Rosa (Vine Hill region, Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC403976  Urtica dioica subsp. gracilis Peter Rubtzoff 1974-9-8 7890 Sonoma Forest Hills, 5.5 miles east of Guerneville, south rim of Russian River canyon Comment
  CAS-BOT-BC404233  Urtica dioica subsp. holosericea Peter Rubtzoff 1958-8-17 3890 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road) Comment
  CAS-BOT-BC404235  Urtica dioica subsp. holosericea Peter Rubtzoff 1960-9-17 4566 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  CAS-BOT-BC404244  Urtica dioica subsp. holosericea Peter Rubtzoff 1965-9-5 5633 Sonoma Forest Hills (5.5 miles east of Guerneville) Comment
  RSA620420  Urtica dioica subsp. holosericea Peter Rubtzoff 1960-9-17 4566 Sonoma Laguna de Santa Rosa, northeast of Graton (near Buerneville Road). Comment
  POM64648  Verbena lasiostachys var. lasiostachys A. A. Heller 1902-6-27 5785 Sonoma West of Windsor near Russian river. Comment
  UCR129499  Verbena lasiostachys var. scabrida Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  CAS-BOT-BC157661  Veronica Peter Rubtzoff 1960-5-20 4397 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads). Comment
  CAS-BOT-BC157664  Veronica Peter Rubtzoff 1966-4-17 5680 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC157680  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC164361  Veronica Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC164398  Veronica Peter Rubtzoff 1966-6-5 5757 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UCD166503  Veronica Peter Rubtzoff 1960-5-20 4397 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads). Comment
  UCD166504  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC166741  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC166750  Veronica americana Peter Rubtzoff 1960-5-22 4409 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC176144  Veronica americana Peter Rubtzoff 1960-6-9 4482 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC177116  Veronica americana Peter Rubtzoff 1955-7-9 1939 Sonoma Forestville Marsh. Comment
  JEPS66218  Veronica americana T. I. Chuang and L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6905 Sonoma Pitkin Marsh Comment
  RSA783733  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  RSA783734  Veronica americana Peter Rubtzoff 1960-6-9 4482 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  RSA264764  Veronica anagallis-aquatica Peter Rubtzoff 1972-6-23 6782 Sonoma Laguna de Santa Rosa northeast of Graton, ca 0.5 mi north of Guerneville Road crossing. Comment
  RSA276858  Veronica anagallis-aquatica Peter Rubtzoff 1968-9-21 5983 Sonoma Russian River bottom at Forest HIlls, 5.5 mi east of Guerneville. Comment
  JEPS22227  Veronica scutellata Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6362 Sonoma n of Sebastopol (at Pitkin Marsh); Vine Hill region, Pitkin Marsh 60 Comment
  JEPS66217  Veronica scutellata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6906 Sonoma Pitkin Marsh Comment
  JEPS81725  Veronica scutellata Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6362 Sonoma n of Sebastopol (at Pitkin Marsh); Vine Hill region, Pitkin Marsh 60 Comment
  UC353801  Veronica scutellata Milo S. Baker 1928-4-28 3006 a Sonoma Pitkin Swamp Comment
  CAS-BOT-BC257965  Vicia Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC257966  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC257978  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh area. Comment
  RSA799984  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh. Comment
  RSA799985  Vicia Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh. Comment
  RSA799986  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh. Comment
  UCD165159  Vicia Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh area. Comment
  UCD165161  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh area. Comment
  UCD165332  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh area. Comment
  RSA239708  Viola adunca Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1082 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UCD110688  Viola douglasii L. Whitney 1932-4-1 s.n. Sonoma Santa Rosa. Vine Hill. Comment
  CAS-BOT-BC290696  Vitis Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  CAS-BOT-BC203126  Vitis californica Peter Rubtzoff 1960-5-29 4423 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC203129  Vitis californica Peter Rubtzoff 1951-8-5 595 Sonoma Mirabel Park, 1 1/2 mi. north of Forestville Comment
  UCD58728  Vitis californica Eric Wada 2006-9-3 RR 3 Sonoma On Westside Road between Healdsburg and Guerneville. North bank of Russian River 18 Comment
  UCD58729  Vitis californica Eric Wada 2006-9-3 RR 4 Sonoma On Westside Road between Healdsburg and Guerneville. North bank of Russian River 18 Comment
  UCR248749  Vitis californica Peter Rubtzoff 1970-8-31 6350 Sonoma Forest Hills, 5.5 miles east of Guerneville, along the Russian River 13 Comment