38.66233 38.76233 -122.52852 -122.42852 UC/JEPS: Consortium Search Results
Search Results — 978 specimen records retrieved (978 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
  SEINET2043780 Image available Acer macrophyllum Royal D. Suttkus 1967-6-26 673021 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  JEPS127876  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 214 Napa About 200 meters west of Butts Canyon Rd. Comment
  JEPS127888  Achillea millefolium Adam C. Schneider with Dick O'Donnell 2013-5-26 216 Napa About 200 meters west of Butts Canyon Rd. Comment
  UC1282686  Achillea millefolium J. R. Sweeney 1952-5-2 762 Lake .4 mi se, 1.1 mi from Napa Co line on Pope Valley Road Black Oak Villa; Butts Canyon 243 Comment
  HSC35401  Achyrachaena mollis Dryden 1975-5-3 162 Lake Butt's Canyon Rd., 8.7 mi E of Hwy. 29 along Butt's Canyon Creek 549 Comment
  JEPS129159  Acmispon brachycarpus Jake Ruygt 2015-3-28 6053 Napa Snell Peak, Fernandez, Land Trust. Aetna Springs 7.5' Quad. Comment
  UCD160738  Acmispon brachycarpus Ellen Dean 2015-5-23 8790 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  UCD137221  Adiantum jordanii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD160723  Adiantum jordanii Ellen Dean 2015-5-23 8775 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  UCD160592  Aegilops triuncialis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8708 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). Rocky Creek Bed 251 Comment
  UCD164733  Agastache urticifolia Jake Ruygt 2014-6-9 5992 Napa Livermore Ranch, Cub Valley. 657 Comment
  CAS-BOT-BC21334  Agoseris grandiflora var. grandiflora Ira L. Wiggins 1933-6-3 6725 Lake 2 mi. E. of Oat Hill Mine Comment
  UC527931  Agoseris grandiflora var. grandiflora Ira L. Wiggins 1933-6-3 6725 Lake 2 mi e Oat Hill Mine Comment
  CAS-BOT-BC22943  Agoseris heterophylla Ira L. Wiggins 1933-6-3 6729 Lake 2 mi. E. of Oat Hill Mine Comment
  HSC35053  Agoseris heterophylla Dryden 1975-5-3 153 Lake Butt's Canyon Rd., 8.7 mi E of Hwy. 29 along Butt's Canyon Creek 549 Comment
  HSC37209  Agoseris heterophylla Lon Hall 1975-5-3 329 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  JEPS104520  Agoseris heterophylla Jake Ruygt 1981-4-25 1002 Napa Table Mountain 621 Comment
  UC527954  Agoseris heterophylla var. heterophylla Ira L. Wiggins 1933-6-3 6729 Lake 2 mi e, grassy hillside Oat Hill Mine Comment
  CAS-BOT-BC127243  Agrostis exarata Peter H. Raven 1954-9-1 8094 Lake Butts Canyon, 7 miles south of Middletown. Comment
  CAS-BOT-BC127249  Agrostis exarata R. F. Hoover 1966-8-23 9932 Lake Butts Canyon near Lake county line. Comment
  OBI22552  Agrostis exarata Robert F. Hoover 1966-8-23 9932 Napa Butts Cyn near Lake Co. line Comment
  JEPS16724  Allium amplectens Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4140 Lake along Butts Canyon road n Black Oak Villa (just n of Napa-Lake county line) 259 Comment
  UC1282825  Allium amplectens J. R. Sweeney 1953-5-18 1057 Lake 0.4 mi se Black Oak Villa in Butts Canyon (1.1 mi from the Lake-Napa county line on Pope Valley Road) Comment
  HSC35325  Allium falcifolium R. M. Sullivan 1975-5-3 43 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC81861  Allium falcifolium Thomas W. Nelson, Jane P. Nelson 1980-5-3 5152 Napa W side of Butts Canyon Rd. at junction with private rd. 244 Comment
  JEPS47555  Allium falcifolium W. L. Jepson 1938-5-22 18816 Napa Limekiln Canyon Pope Valleym, Limekiln Canyon Comment
  UC650288  Allium falcifolium Robert W. Storer 1941-3-23 26 Lake on road from Angwyn to Middletown 3 mi n Napa County line Comment
  UCD138525  Allium falcifolium R. L. Smith 1948-5-8 s.n. Napa 6 miles north Aetna Springs, Pope Valley. Comment
  JEPS96556  Allium fimbriatum var. fimbriatum Dean W. Taylor 1998-5-20 16447 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  RSA424688  Allium fimbriatum var. fimbriatum Aaron Liston, M. A. Blumler 1987-4-25 663 -3 Lake Butts Canyon Road, ca. 6 miles S of Hwy 29. 0.4 miles SE of Guenoc Winery entrance. Comment
  UC1178933  Allophyllum divaricatum Herbert L. Mason 1953-6-8 14520 Lake Butts Canyon, Black Oak Villa Comment
  UC1094082  Amsinckia intermedia Francia Chisaki 1953-5-8 564 Lake 6.5 mi s of junction with Highway #53 (on Pope Valley Road) Comment
  CAS-BOT-BC222454  Amsinckia lunaris Francia Chisaki 1953-5-8 566 Napa 3.1 miles south of Napa-Lake County line on Pope Valley road Comment
  GH424819  Amsinckia lunaris Francia Chisaki 1953-5-8 566 Unknown 3.1 miles south of Napa-Lake County line on Pope Valley road Comment
  UC1111642  Amsinckia lunaris Francia Chisaki 1953-5-8 566 Napa 3.1 mi s of Napa-Lake County line (on Pope Valley Road) Comment
  CAS-BOT-BC64145  Ancistrocarphus filagineus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6655 Napa 5 mi. E. of St. Helena on road to Pope Valley 304 Comment
  HSC35047  Ancistrocarphus filagineus Dryden 1975-5-3 156 Lake Butt's Canyon Rd., 8.7 mi E of Hwy. 29 along Butt's Canyon Creek 549 Comment
  HSC35068  Ancistrocarphus filagineus Margriet Wetherwax 1975-5-3 127 Lake 8.7 miles E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC81866  Ancistrocarphus filagineus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5142 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UC673632  Ancistrocarphus filagineus H. L. Mason 1933-4-30 7234 Lake 10 mi n, on road from Middletown to Pope Valley Pope Valley Comment
  JEPS14086  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  JEPS14087  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  JEPS14088  Angelica tomentosa W. L. Jepson 1938-9-24 19021 Napa n of Pope Valley (Limekiln Creek); Limekiln Creek 304 Comment
  UC1282688  Anthemis cotula J. R. Sweeney 1953-5-26 1056 Lake .4 mi se, 1.1 mi from Lake-Napa county line on Pope Valley road Black Oak Villa; Lake-Napa County line, Butts Canyon 243 Comment
  JEPS110619  Antirrhinum cornutum Jake Ruygt 1986-6-28 1849 Napa 1.0 mile north of Snell Valley Rd. on Butts Canyon Rd. 208 Comment
  JEPS5294  Antirrhinum cornutum R. F. Hoover 1938-6-8 3545 Lake Butts Canyon Comment
  JEPS83307  Antirrhinum cornutum David M. Thompson 1983-8-11 403 Lake SW of Butts Canyon Road 2.2 miles N of Snell Valley Road junction, streambed of Butts Creek; Aetna Springs Quad., Butts Creek 243 Comment
  UC157399  Antirrhinum cornutum Katharine Brandegee 1911-6-29 Napa Butts Canyon Comment
  UC527927  Antirrhinum cornutum R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6707 Lake Pope Valley to Middletown road (3 mi nw of Lake County line) Comment
  UCD160630  Antirrhinum cornutum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8722 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. South side of the road. Not burned in fire last year (2014). 243 Comment
  UCR46788  Antirrhinum cornutum D. M. Thompson 1983-8-11 403 Lake North Coast Range, Butts Creek, SW of Canyon Road, 2.2 mi north of Snell Valley Road jct. 274 Comment
  POM215774  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum D. D. Keck 1933-7-1 2465 Napa Butts Creek Canyon, ca. 5 miles northeast of Aetna Springs. Comment
  UC1454759  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum D. M. Jackson and R. Spellenberg 1972-5-25 204 Lake 6.4 mi ne Aetna Springs (on the Butts Creek rd) Comment
  UCD160733  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Ellen Dean 2015-5-23 8785 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  HSC83239  Antirrhinum virga D. M. Thompson 1983-6-16 334 Napa Napa/Lake Co. line, Twin Peaks Mine area along gravel road next to Bateman Creek, starting at junction of Oat Hill and Livermore Rds. 579 Comment
  CAS-BOT-BC392031  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi. n. of Pope Valley Comment
  UC382607  Aquilegia eximia H. M. Hall 1923-10-14 11944 Napa 6 mi n Pope Valley Comment
  UC765745  Aquilegia eximia R. F. Hoover 1938-9-23 3865 Napa canyon of South Fork Butts Creek Comment
  CAS-BOT-BC410145  Arceuthobium occidentale John Thomas Howell 1930-10-19 5618 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown Comment
  CAS-BOT-BC24070  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1933-6-3 6735 Lake Along road across canyon (east) from Oat Hill Mine in southeastern Lake County. Comment
  UC527835  Arctostaphylos canescens subsp. canescens Ira L. Wiggins 1933-6-3 6735 Lake along road across canyon e from Oat Hill Mine (se Lake Co.) Comment
  UC527925  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1933-6-3 6736 Lake along road across canyon (e) from Oat Hill Mine (se Lake Co.) Comment
  CAS-BOT-BC43787  Arctostaphylos stanfordiana Ira L. Wiggins 1933-6-3 6736 Lake (To east) from Oat Hill Mine, southeastern Comment
  CAS-BOT-BC47326  Arctostaphylos stanfordiana Ira L. Wiggins 1933-6-3 6734 Lake Along road across canyon (e.) from Oat Hill Mine, southeastern Lake Co. Comment
  UC527834  Arctostaphylos stanfordiana Ira L. Wiggins 1933-6-3 6734 Lake along rd across canyon (e) from Oat Hill Mine (se Lake Co.) Comment
  GH362428  Arctostaphylos viscida R. F. Hoover 1938-9-23 3862 Unknown Canyon of south fork of Butts Creek Comment
  UCD52192  Arctostaphylos viscida R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek. Comment
  UCD52212  Arctostaphylos viscida R. L. Smith 1948-4-17 s.n. Napa 5 miles north of Aetna Springs, Pope Valley, Napa County, California. Comment
  UC763118  Arctostaphylos viscida subsp. pulchella R. F. Hoover 1938-9-23 3862 Napa Canyon of south fork of Butts Creek Comment
  JEPS58789  Arctostaphylos viscida subsp. viscida W. L. Jepson 1938-5-22 18817 Napa Limekiln Creek Canyon Pope Valley Comment
  JEPS81590  Arctostaphylos viscida subsp. viscida R. Raiche 1982-3-7 20211 Napa adjacent of Detert Reservoir (on Butts Canyon Road, hill on ne side of reservoir) Comment
Read comments
Sep 27 2012
  UC1388339  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-9-12 1371 Napa near Black Oak Villa; North Coast Ranges, Butts Canyon Comment
  UC527849  Asclepias cordifolia Ira L. Wiggins 1933-6-3 6731 Lake 2 mi e Oat Hill Mine Comment
  HSC35428  Aspidotis densa M. Wetherwax 1975-5-3 134 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Cr. on Butt's Canyon Rd. 549 Comment
  JEPS103979  Aspidotis densa Jake Ruygt 1979-4-6 486 Napa .3 mile east of Butt's Canyon Rd. on Snell Valley Road 213 Comment
  JEPS60031  Aspidotis densa W. L. Jepson 1938-5-22 18815 Napa Limekiln Creek Canyon; Pope Valley Comment
  JEPS79515  Aspidotis densa Edward Lee with A. Carter and E. Crum 1936-3-15 1817 Napa Rutherford-Pope Valley Rd Butt's Canyon Comment
  UCD137319  Aspidotis densa R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD160641  Aspidotis densa Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8730 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  RSA424720  Astragalus breweri Aaron Liston, M. Blumler 1987-4-25 663 -2 Lake Butts Canyon Road, ca. 6 miles S of Hwy 29. 0.4 miles SE of Guenoc Winery entrance. Comment
  UCSC010413  Astragalus breweri Dylan M. Neubauer, Tim Forsell 2016-4-1 611 Lake (NCoRI) East side of Butts Canyon Road, 0.38 air miles southeast of junction with Guenoc Road 307 Comment
  UCSC010608  Astragalus breweri Dylan M. Neubauer, Tim Forsell 2016-4-1 611 Lake (NCoRI) East side of Butts Canyon Road, 0.38 air miles southeast of junction with Guenoc Road 307 Comment
  CAS-BOT-BC178665  Astragalus clevelandii H. D. Ripley; R. C. Barneby 1945-6-20 6909 Lake 8 miles SE of Middletown 335 Comment
  CAS-BOT-BC178668  Astragalus clevelandii D. E. Breedlove 1980-6-29 44840 Lake Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  CAS-BOT-BC178675  Astragalus clevelandii H. D. Ripley; R. C. Barneby 1945-1-21 6935 Napa 3 miles N. of Aetna Springs 198 Comment
  JEPS107255  Astragalus clevelandii Jake Ruygt 1998-7-6 4077 b Napa Butts Canyon about 0.3 mile north of Snell Valley Road. 377 Comment
  JEPS54567  Astragalus clevelandii W. L. Jepson 1897-7-13 13743 Napa Butt's Canyon Comment
  RSA108877  Astragalus clevelandii H. D. Ripley, R. C. Barneby 1945-6-20 6909 Lake 8 miles SE of Middletown. 350 Comment
  RSA108878  Astragalus clevelandii H. D. Ripley, R. C. Barneby 1945-6-21 6935 Napa 3 miles north of [Etna?] springs. Comment
  UC1142426  Astragalus clevelandii H. D. Ripley and R. C. Barneby 1945-6-21 6935 Napa 3 mi n Aetna Springs (sandy banks along a stream); n of Aetna Springs 198 Comment
Read comments
Aug 16 2013
  UC168341  Astragalus clevelandii Katharine Brandegee Napa Butts Canyon Comment
  UC764094  Astragalus clevelandii R. F. Hoover 1938-9-23 3863 Napa Canyon of South Fork Butts Creek Comment
  CAS-BOT-BC178339  Astragalus gambelianus Ira L. Wiggins 1933-6-3 6717 Lake Grassy hillside 2 mi. E. of Oat Hill Mine Comment
  CAS-BOT-BC193122  Astragalus rattanii var. jepsonianus R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6708 Lake On Pope Valley - Middletown road, 3 mi. NW. of county line Comment
  JEPS82741  Astragalus rattanii var. jepsonianus L. R. Heckard and J. C. Hickman 1984-4-7 6153 Lake Butts Canyon road e Deterts Reservoir; e of Deterts Reservoir Comment
  UC1282791  Barbarea orthoceras J. R. Sweeney 1953-5-8 1014 Lake 0.4 miles southeast of Black Oak Villa in Butts Canyon, 1.1 miles from Lake-Napa County line on Pope Valley road. 243 Comment
  UC1282821  Brodiaea elegans subsp. elegans J. R. Sweeney 1962-6-15 961 Lake ne-facing slope on Pope Valley road 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa Co. line); Butts Canyon 243 Comment
  JEPS123010  Bromus carinatus var. carinatus Jake Ruygt 1986-5-24 1791 Napa Table Mountain. Quad: Detert Reservoir. Comment
  JEPS76085  Bromus hordeaceus W. L. Jepson 1938-5-22 18814 Napa Pope Valley, Limekiln Creek Canyon Limekiln Creek Canyon; Pope Valley, Limekiln Creek Canyon Comment
  UC1155265  Bromus hordeaceus J. R. Sweeney 1952-5-2 744 Lake 0.4 mi se of Black Oak Villa in Butts Canyon (1.1 mi from Lake-Napa County line on Pope Valley Road) 243 Comment
  JEPS123008  Bromus laevipes Jake Ruygt 1982-5-19 1279 Napa Butts Canyon Road at Snell Valley Road. Quad: Aetna Springs. Comment
  JEPS76118  Bromus laevipes W. L. Jepson 1938-6-8 18891 Napa Butts Canyon, South Fork Butts Creek South Fork Butts Creek; Butts Canyon, South Fork Butts Creek Comment
  UCD160599  Bromus laevipes Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8715 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 251 Comment
  UCD160749  Bromus laevipes Ellen Dean 2015-5-23 8801 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  HSC35395  Bromus madritensis subsp. rubens Dryden 1975-5-3 159 Lake Butt's Canyon Rd., 8.7 mi E of Hwy. 29 along Butt's Canyon Creek 549 Comment
  UCD139461  Calochortus albus R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  HSC35392  Calochortus amabilis R. M. Sullivan 1975-5-3 47 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC81868  Calochortus amabilis Thomas W. Nelson, Jane P. Nelson 1980-5-3 5140 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UC1282846  Calochortus amabilis J. R. Sweeney 1952-5-2 773 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa County line on Pope Valley road); Butts Canyon 243 Comment
  UCD139481  Calochortus amabilis R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  UCD160636  Calochortus amabilis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8728 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  UC527960  Calochortus luteus R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6706 Lake Pope Valley to Middletown road (3 mi nw of county line) Comment
  CAS-BOT-BC270797  Calycadenia pauciflora John Thomas Howell 1930-10-19 5631 Lake 8 miles from Middletown on Butts Canyon Road Comment
  CAS-BOT-BC270812  Calycadenia pauciflora John Thomas Howell 1930-10-19 5631 Lake 8 miles from Middletown on Butts Canyon Road Comment
  CAS-BOT-BC270835  Calycadenia pauciflora John Thomas Howell 1930-10-19 5626 Napa 5 miles from Aetna Springs on Butts Canyon road to Middletown, near Napa - Lake County line Comment
  CAS-BOT-BC270839  Calycadenia pauciflora David D. Keck 1933-7-1 2466 Napa Butts Creek Canyon, ca. 5 miles NE of Aetna Springs Comment
  JEPS106901  Calycadenia pauciflora Jake Ruygt 1979-7-21 762 Napa corner of Snell Valley Rd. and Butts Can yon Road 198 Comment
  JEPS7810  Calycadenia pauciflora Peter H. Raven 1954-9-1 8096 Lake 7 mi s Middletown; Butts Canyon Comment
  POM181006  Calycadenia pauciflora J. T. Howell 1930-10-19 5631 Lake 8 miles from Middletown on Butte Canyon Road Comment
  JEPS121524  Calycanthus occidentalis Adam C. Schneider with Dick O'Donnell 2013-5-26 210 Napa The downill (east ) side of the road cut of Butts Canyon Road, 2 miles south of Snell Valley Rd. Comment
  RSA456150  Calycanthus occidentalis Robert Gustafson, Don Reynolds 1983-6-7 2744 Lake Butts Canyon Rd., about 2 miles NW of the jct. of Snell Valley Rd. Comment
  UC1519492  Calycanthus occidentalis Robert Gustafson and Don Reynolds 1983-6-7 2744 Lake about 2 mi nw Butts Canyon Rd. junction of Snell Valley Rd. (Butte Canyon Rd) Comment
  UCD160628  Calycanthus occidentalis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8720 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 238 Comment
  CHSC70484  Calystegia collina R. A. Schlising 1976-5-30 3182 Lake S part of county, along Butte Canyon Road, 9.3 mi S of its junction with Hwy 29 near Middletown. Comment
  RSA710254  Calystegia collina R. K. Brummitt, Adrian Wolf, R. W. Howe 1998-5-15 19851 Napa Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  UCD160743  Calystegia collina Ellen Dean 2015-5-23 8795 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 249 Comment
  CAS-BOT-BC221550  Calystegia collina subsp. collina H. D. Ripley; R. C. Barneby 1945-6-21 6924 Lake 8 miles SE of Middletown 335 Comment
  CAS-BOT-BC221552  Calystegia collina subsp. collina R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6682 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  CAS-BOT-BC221553  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19849 Napa 17 km NE of Calistoga, Butts Canyon 2 km S of Snell Valley turn-off 400 Comment
  CAS-BOT-BC221554  Calystegia collina subsp. collina R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19851 Napa 17.5 km NE of Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  HSC35069  Calystegia collina subsp. collina M. Wetherwax 1975-5-3 131 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Cr. on Butt's Canyon Rd. 549 Comment
  HSC35336  Calystegia collina subsp. collina R. M. Sullivan 1975-5-3 49 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC81855  Calystegia collina subsp. collina Thomas W. Nelson, Jane Nelson 1980-5-3 5136 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS77949  Calystegia collina subsp. collina Edward Lee 1936-3-15 1816 Napa Butt's Canyon, from Rutherford to Pope Valley Comment
  UC1794973  Calystegia collina subsp. collina R. K. Brummitt, A. Wolf, and R. W. Howe 1998-5-15 19851 Napa 17.5 km NE of Calistoga, Butts Canyon 0.5 km from Snell Valley turn-off 350 Comment
  UCD160596  Calystegia collina subsp. collina Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8712 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 251 Comment
  CAS-BOT-BC223614  Calystegia collina subsp. oxyphylla R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19852 Lake 8.5 km ESE of Middletown on Butts Canyon Road, just E of Detert Reservoir 400 Comment
  RSA710321  Calystegia collina subsp. oxyphylla R. K. Brummitt, R. W. Howe, A. Wolf 1998-5-15 19852 Lake 8.5 km ESE of Middletown on Butts Canyon Road, just E of Detert Reservoir. 400 Comment
  UC1794963  Calystegia collina subsp. oxyphylla R. K. Brummitt, A. Wolf, and R. W. Howe 1998-5-15 19852 Lake 8.5 km ESE of Middletown on Butts Canyon Road, just E of Detert Reservoir 400 Comment
  UCD160744  Calystegia occidentalis subsp. fulcrata Ellen Dean 2015-5-23 8796 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 249 Comment
  UCD161217  Calystegia occidentalis subsp. occidentalis Jake Ruygt 1980-6-22 937 Napa 1 mile N of Snell Valley Rd. on Butts Canyon Rd. 207 Comment
  JEPS129054  Calystegia purpurata Jake Ruygt 2016-5-14 6254 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UCD167099  Calystegia purpurata subsp. purpurata Jake Ruygt 2015-6-13 6133 Napa Fernandes - Snell Peak, Land Trust. 347 Comment
  JEPS101439  Campanula angustiflora Dean W. Taylor 1998-6-3 16463 B Lake unnamed rd 0.7 miles N Napa County line, ca. 1.5 mile N of Oat Hill 548 Comment
  UCSC009032  Campanula angustiflora Dylan M. Neubauer 2015-4-26 134 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  JEPS33875  Campanula griffinii D. E. Breedlove 1963-5-29 5047 Napa 8 mi s Pope Valley Comment
  UCD160651  Campanula griffinii Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8737 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD167163  Campanula griffinii Jake Ruygt 2015-4-13 6066 Napa Butts Canyon Road about 0.4 mile south of Snell Valley road. 246 Comment
  CAS-BOT-BC37452  Cardamine californica David D. Keck 1931-4-3 1080 Lake 6 miles north of Aetna Springs, southern Lake County. Comment
  POM225547  Cardamine californica var. integrifolia J. T. Howell 1931-4-3 6150 Napa Near summit of Butts Canyon Road, to Middletown from Aetna Springs. Comment
  CAS-BOT-BC119518  Carex nudata D. E. Breedlove 1963-4-19 4533 Napa 8 mi N of Pope Valley on Pope Valley to Middletown Road, Butts Canyon. Comment
  CAS-BOT-BC117618  Carex serratodens Peter H. Raven 1951-5-26 2873 Napa Butts Canyon 304 Comment
  CAS-BOT-BC117619  Carex serratodens R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6687 Napa Butts Canyon. 10 mi N of Howell Mt. Comment
  HSC34585  Castilleja applegatei Ron Ralston 1975-5-3 33 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Road 549 Comment
  POM182681  Castilleja applegatei subsp. martinii D. D. Keck 1931-4-3 1078 Lake 6 miles N of Aetna Springs. Comment
  HSC35362  Castilleja attenuata R. M. Sullivan 1975-5-3 52 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  JEPS129163  Castilleja attenuata Jake Ruygt 2015-3-28 6060 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  HSC35020  Castilleja foliolosa R. M. Sullivan 1975-5-3 40 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC72429  Castilleja foliolosa J. P. Smith, J. O. Sawyer 1970-5-17 3780 Napa 8 mi. N of Pope Valley Comment
  HSC81972  Castilleja foliolosa Thomas W. Nelson, Jane P. Nelson 1980-5-3 5151 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  JEPS110654  Castilleja foliolosa Jake Ruygt 1977-5-3 213 Napa 3.5 miles north of Monticello Rd. on Atlas Peak Rd 219 Comment
  UCD122551  Castilleja foliolosa R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  JEPS3860  Castilleja minor subsp. spiralis W. L. Jepson 1938-9-24 19026 Napa n of Pope Valley (Canyon of James Creek); James Creek Comment
  JEPS57377  Castilleja minor subsp. spiralis L. R. Heckard and T. I. Chuang 1968-6-18 1944 Lake ca 10 mi se Middletown (along Butts Creek); Butts Creek Comment
  JEPS6950  Castilleja minor subsp. spiralis Peter H. Raven 1954-9-1 8082 Lake 7 mi s Middletown; Butts Canyon Comment
  POM180774  Castilleja minor subsp. spiralis J. T. Howell 1930-10-19 5622 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  UC765676  Castilleja minor subsp. spiralis R. F. Hoover 1938-9-23 3860 Napa canyon of south fork of Butts Creek Comment
  OBI9646  Castilleja minor var. spiralis Robert F. Hoover 1966-8-23 9935 Napa Butts Cyn, near Lake Co line Comment
  CAS-BOT-BC47765  Ceanothus Peter H. Raven 1964-5-9 19040 Lake Butts Canyon 9.5 miles south of Middletown Comment
  CAS-BOT-BC48502  Ceanothus confusus Ira L. Wiggins 1933-6-3 6733 Lake Oat Hill Mine Comment
  CAS-BOT-BC49251  Ceanothus cuneatus David D. Keck 1931-4-3 1081 Lake 6 miles north of Aetna Springs head of Butts Canyon, sourhtern Lake County Comment
  CAS-BOT-BC49296  Ceanothus cuneatus John Thomas Howell 1931-4-3 6153 Lake Butts Canyon Road to Middletown, 6.5 miles from Aetna Springs Comment
  GH349166  Ceanothus cuneatus D. D. Keck 1931-4-3 1081 Unknown 6 miles north of Aetna Springs, head of Butts Canyon Comment
  JEPS78441  Ceanothus cuneatus Edward Lee 1936-3-15 1824 Napa trip from Rutherford to Pope Valley Butt's Canyon Comment
  POM182679  Ceanothus cuneatus D. D. Keck 1931-4-3 1081 Lake 6 miles N of Aetna Springs. Comment
  RSA298950  Ceanothus cuneatus Edward Lee 1936-3-15 1824 Napa Butt's Canyon (trip from Rutherford to Pope Valley) Comment
  JEPS78442  Ceanothus cuneatus var. cuneatus Edward Lee 1936-3-15 1824 Napa trip from Rutherford to Pope Valley Butt's Canyon Comment
  GH349493  Ceanothus integerrimus R. F. Hoover 1941-4-26 4925 Unknown Canyon north of Pope Valley on road to Butts Canyon Comment
  GH349566  Ceanothus integerrimus R. F. Hoover 1941-4-26 4929 Unknown Summit between Pope Valley and Butts Creek Comment
  JEPS110861  Ceanothus integerrimus Jake Ruygt 1994-5-2 3365 Napa Butts Canyon Road, .2 mile north of Snell Valley Road 207 Comment
  SBBG50584  Ceanothus integerrimus C. Laning 1973-4-21 108 -54 Napa 7 mi N of Pope Valley Post Office on Butts Cyn Rd Comment
  UC1193318  Ceanothus integerrimus P. Zinke 1951-5-24 221 Lake 1 mi e Black Oak Villa (at Lake Co. line.); Quad. 59C2 304 Comment
  UCD112504  Ceanothus integerrimus R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs. Comment
  UCD162738  Ceanothus integerrimus Dylan O. Burge; J. Rugyt 2014-5-23 1625 Napa Butts Canyon Road, roadside. 222 Comment
Read comments
Dec 8 2016
  UCD169650  Ceanothus integerrimus Jake Ruygt 2015-6-20 6142 Napa Butts Canyon Road south of Snell Valley Road. 211 Comment
  UCD170257  Ceanothus integerrimus D. O. Burge 2016-10-22 2181 Napa Roadside on Butts Canyon Road. 300 Comment
  UCD170258  Ceanothus integerrimus D. O. Burge 2016-10-22 2182 Napa Roadside on Butts Canyon Road. 210 Comment
  CAS-BOT-BC51079  Ceanothus jepsonii David D. Keck 1931-4-3 1082 Lake 6 miles North of Aetna Springs, head of Butts Canyon, southern Lake County Comment
  CAS-BOT-BC538061  Ceanothus jepsonii G. Ledyard Stebbins 1994-4-23 s.n. Napa Butts Canyon along Butts Creek, W of Putah Creek Comment
  CAS-BOT-BC64976  Ceanothus jepsonii D. H. Wilken; E. L. Painter 2007-6-6 16741 Napa Near summit of Butts Cyn Rd, ca 1.5 linear km S of jct with Snell Valley Rd. 315 Comment
  GH349698  Ceanothus jepsonii D. E. Breedlove 1980-6-29 44835 Unknown Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  OBI10455  Ceanothus jepsonii R. L. Hoover 1968-4-20 65 Napa Butts Cyn rd at napa-Lake cnty boundary, on E side of road Comment
  RSA758815  Ceanothus jepsonii D. H. Wilken, E. L. Painter 2007-6-6 16741 Napa Near summit of Butts Canyon Road, about 1.5 linear kilometers south of junction with Snell Valley Road. 315 Comment
  UCD160572  Ceanothus jepsonii G. Ledyard Stebbins 1994-4-23 s.n. Napa Butts Canyon along Butts Creek, west of Putah Creek. Comment
  POM182678  Ceanothus jepsonii subsp. albiflorus D. D. Keck 1931-4-3 1082 Lake 6 miles N of Aetna Springs. Comment
  CAS-BOT-BC32694  Ceanothus jepsonii var. albiflorus John Thomas Howell 1931-4-3 6147 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs, Napa Range Comment
  CAS-BOT-BC51120  Ceanothus jepsonii var. albiflorus D. E. Breedlove 1980-6-29 44835 Lake Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  CAS-BOT-BC51128  Ceanothus jepsonii var. albiflorus Peter H. Raven 1951-5-26 2884 Napa Butts Canyon 304 Comment
  CAS-BOT-BC83785  Ceanothus jepsonii var. albiflorus D. O. Burge 2008-6-1 1007 b Napa S of Butts Canyon, approx. 200 m E of Butts Canyon Road 340 Comment
  HSC35327  Ceanothus jepsonii var. albiflorus R. M. Sullivan 1975-5-3 42 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC60306  Ceanothus jepsonii var. albiflorus J. P. Smith, J. O. Sawyer 1970-5-17 3783 Napa 8 mi. N of Pope Valley Comment
  JEPS79562  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1818 Napa Butt's Canyon Comment
  JEPS79563  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1818 Napa Butt's Canyon Comment
  JEPS79564  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1819 Napa Butt's Canyon Comment
  JEPS79614  Ceanothus jepsonii var. albiflorus Edward Lee with A. Carter and E. Crum 1936-3-15 1819 Napa Butt's Canyon Comment
  RSA757817  Ceanothus jepsonii var. albiflorus Dylan O. Burge 2008-6-1 DOB 1007 c Napa South of Butts Canyon, approximately 200 m east of Butts Canyon Road via unpaved track that begins 1.1 road miles south of the intersection between Butts Canyon Road and Snell Valley Road., 4.56 km 48 degrees true east-northeast of Aetna Springs. 340 Comment
  JEPS42242  Ceanothus parryi W. L. Jepson 1938-5-22 18820 Napa Limekiln Creek Canyon Pope Valley (lower slopes) Comment
  UC917338  Ceanothus parryi R. L. Smith 1948-5-8 Napa 6 miles north of Aetna Springs, Pope Valley Comment
  UC1193291  Ceanothus prostratus P. Zinke 1951-3-21 223 Lake on Lake-Napa County Line Quad. 59C2 609 Comment
  UC527833  Ceanothus prostratus Ira L. Wiggins 1933-6-3 6733 Lake along road across canyon (e) from Oat Hill Mine (southeastern Lake County); along road across canyon (e) from Oat Hill Mine Comment
  UCD112669  Ceanothus prostratus G. Ledyard Stebbins Jr. 1964-5-24 6158 Napa Summit of ridge above Aetna Springs. 822 Comment
  SEINET3076020 Image available Ceanothus tomentosus Royal D. Suttkus 1967-6-26 67- 30 -12 Napa Clearly Reserves, 7.2 miles NW of Pope Valley. Comment
  CDA14310  Centaurium tenuiflorum W. Ogden 1998-7-6 s.n. Napa North Coast Biodiversity Arena; Pope Valley Rd. 0 Comment
  JEPS46939  Centaurium trichanthum W. L. Jepson 1938-9-24 19022 Napa canyon of Limekiln Creek Pope Valley 304 Comment
  UC1282751  Centaurium trichanthum J. R. Sweeney 1952-6-15 962 Lake 0.4 mi se Black Oak Villa (in Butts Canyon, 1.1 mi from Lake-Napa county line on Pope Valley road); Butts Canyon 243 Comment
  UC1438405  Centaurium trichanthum C. R. Broome 1971-8-25 890 Napa 9.7 mi n Pope Valley (and 9.75 mi s of Middletown, Butts Canyon Road, just w of highway) Comment
  JEPS73708  Centaurium venustum L. R. Heckard and T. I. Chuang 1968-6-18 1947 Lake ca 10 mi se Middletown (along Butts Creek); Butts Creek Comment
  HSC35071  Cercocarpus montanus var. glaber R. M. Sullivan 1975-5-3 30 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  UCD160735  Chlorogalum pomeridianum Ellen Dean 2015-5-23 8787 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 231 Comment
  UC1282827  Chlorogalum pomeridianum var. pomeridianum J. R. Sweeney 1952-5-2 761 Lake ne facing slope 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line on Pope Valley road); Butts Canyon 243 Comment
  JEPS59306  Cirsium cymosum var. cymosum W. L. Jepson 1938-6-8 18885 Napa w of Pope Valley; South Fork of Butts Creek Comment
  CAS-BOT-BC172178  Clarkia concinna R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6674 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  UCD160722  Clarkia concinna Ellen Dean 2015-5-23 8774 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  HSC64518  Clarkia concinna subsp. concinna J. P. Smith, J. O. Sawyer 1970-5-17 3789 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  JEPS43620  Clarkia concinna subsp. concinna W. L. Jepson 1938-5-22 18809 Napa Limekiln Creek Canyon Pope Valley Comment
Read comments
Oct 2 2012
  UC1282763  Clarkia concinna subsp. concinna J. R. Sweeney 1952-6-15 958 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line on Pope Valley road); Butts Canyon 243 Comment
  UC527846  Clarkia concinna subsp. concinna R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6674 Napa 10 mi n Howell Mountain; Butt's Canyon Comment
  UC932004  Clarkia concinna subsp. concinna Verne Grant, Alva Grant 1946-5-26 7635 Lake 12 mi se Middletown (on road to Aetna Springs); Lake-Napa counties Comment
  HSC35335  Clarkia gracilis R. M. Sullivan 1975-5-3 51 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  CAS-BOT-BC164529  Clarkia gracilis subsp. albicaulis D. E. Breedlove 1980-6-29 44822 Lake Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  GH367705  Clarkia gracilis subsp. albicaulis D. E. Breedlove 1980-6-29 44822 Unknown Butts Canyon Road 5-8 miles S of Middletown. 274 Comment
  JEPS43544  Clarkia gracilis subsp. albicaulis Willis L. Jepson 1897-7-12 14360 Napa Pope Valley to Middleton; Butts Canyon Comment
  JEPS43732  Clarkia gracilis subsp. albicaulis W. L. Jepson 1938-6-8 18888 Napa n Pope Valley (Butts Canyon); South Fork of Butts Creek Comment
  UC762847  Clarkia gracilis subsp. albicaulis R. F. Hoover 1938-6-8 3538 Napa South Fork of Butts Creek Butts Creek Comment
  JEPS110764  Clarkia gracilis subsp. tracyi Jake Ruygt 1980-6-22 939 Napa .1 mile north of Snell Valley Rd. on Butts Canyon Rd. 204 Comment
  JEPS110733  Clarkia purpurea subsp. quadrivulnera Jake Ruygt 1985-5-11 1592 Napa SE of corner of Butt's Canyon Rd. and Snell Valley Rd. 237 Comment
  CAS-BOT-BC439203  Claytonia exigua subsp. exigua David D. Keck 1931-4-3 1077 Lake 6 miles north of Aetna Springs, southern Lake County. Comment
  HSC37225  Claytonia exigua subsp. exigua Lon Hall 1975-5-3 332 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  JEPS77948  Claytonia exigua subsp. exigua Edward Lee 1936-3-15 1815 Napa on road from Rutherford Pope Valley; Butt's Canyon Comment
  POM182684  Claytonia exigua subsp. exigua D. D. Keck 1931-4-3 1077 Lake 6 miles N of Aetna Springs. Comment
  CAS-BOT-BC233835  Claytonia parviflora subsp. parviflora R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6678 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  UC1282809  Claytonia parviflora subsp. parviflora J. R. Sweeney 1952-5-2 740 Lake 0.4 mi se Black Oak Villa (in Butts Canyon, 1.1 mi from Lake-Napa county line on Pope Valley road); Butts Canyon 243 Comment
  UC931952  Clematis lasiantha Verne Grant and Alva Grant 1946-5-26 7637 Lake 12 mi. s.e. Middletown (on rd. to Aetna Springs, Lake-Napa Counties) Comment
  CAS-BOT-BC92682  Clematis ligusticifolia H. E. McMinn 296 Napa Upper Pope Canyon about 6 miles north of Aetna Springs on road to Middleton. Comment
  UCD160626  Collinsia greenei Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8718 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 238 Comment
  UCD160674  Collinsia greenei Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8746 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  CAS-BOT-BC229530  Collomia diversifolia M. S. Baker 1948-5-12 12038 Napa Butts Canyon just below Black Oak Villa Comment
  CAS-BOT-BC229531  Collomia diversifolia M. S. Baker 1948-5-12 12038 Napa Butts Canyon just below Black Oak Villa Comment
  CAS-BOT-BC229540  Collomia diversifolia Peter H. Raven 1951-5-26 s.n. Napa Butts Creek Canyon Comment
  CHSC23104  Collomia diversifolia Robert A. Schlising 1962-5-4 2229 Lake Coast Ranges. 0.9 mi N of county line, along Butts Canyon Road. Comment
  HSC81609  Collomia diversifolia Thomas W. Nelson, Jane P. Nelson 1980-5-3 5145 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS101634  Collomia diversifolia Dean W. Taylor 1998-6-18 16671 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  JEPS101660  Collomia diversifolia Dean W. Taylor 1998-5-20 16448 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  RSA409249  Collomia diversifolia Milo S. Baker 1945-5-9 s.n. Lake Butte's Canyon below Black Oak Villa Comment
  RSA74124  Collomia diversifolia Milo S. Baker 1948-5-12 12038 Lake Butt's Canyon just below Black Oak Villa Comment
  SBBG103164  Collomia diversifolia D. H. Wilken 1973-5-6 11921 Lake Butts Cyn. 0.5 mi N of Napa-Lake County boundary 365 Comment
  SEINET2444680 Image available Collomia diversifolia Dean W. Taylor 1998-6-18 16671 Napa Butts Canyon. Small side canyon 0.5 mi above (north of) mouth into Pope Valley.; 0 290 Comment
  SEINET2444681  Collomia diversifolia Leigh A. Johnson 1996-5-26 96 -013 Napa Along Butts Canyon Road, between road and creek. ca. 25 meters NW of pullover area 1.4 miles NW of jct with Snell Valley Road (9.7 miles SR of jct with HWY 29). 375 Comment
  UC1181373  Collomia diversifolia Milo S. Baker 1948-5-12 12038 Lake just below Black Oak Villa; Butt's Canyon Comment
  UC1191142  Collomia diversifolia Herbert L. Mason 1953-6-8 14522 Lake Black Oak Villa Butts Canyon Comment
  UC1282736  Collomia diversifolia J. R. Sweeney 1953-5-18 1038 Lake ne facing slope on Pope Valley road 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line); Butts Canyon 243 Comment
  UC1282737  Collomia diversifolia J. R. Sweeney 1952-5-2 764 Lake ne-facing slope on Pope Valley road 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line); Butts Canyon Comment
  UC1736677  Collomia diversifolia Dean W. Taylor 1990-5-25 10813 Napa Butts Canyon Road, near junction with Snell Road. 204 Comment
  UC971708  Collomia diversifolia Herbert L. Mason 1948-5-9 13570 Napa on gravel bars of stream near head of canyon Butts Canyon Comment
Read comments
Sep 27 2012
  UCD160587  Collomia diversifolia Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8702 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 223 Comment
  UCD160748  Collomia diversifolia Ellen Dean 2015-5-23 8800 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  UCR80216  Collomia diversifolia Milo S. Baker 1948-5-12 12038 Lake North Coast Ranges, Butts Canyon just below Black Oak Villa 305 Comment
  UCSC009039  Collomia diversifolia Dylan M. Neubauer 2015-4-26 141 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UC1191143  Collomia heterophylla Herbert L. Mason 1953-6-8 14521 Lake Black Oak Villa Butts Canyon Comment
  GH78204  Cordylanthus diffusus F. W. Pennell 1940-7-4 26051 Unknown Route 29, 7 miles south of Middletown, 1600-1800 feet Comment
  GH78205  Cordylanthus diffusus F. W. Pennell 1940-7-4 26051 Unknown Route 29, 7 miles south of Middletown, 1600-1800 feet Comment
  NY68284  Cordylanthus diffusus F. W. Pennell 1940-7-4 26051 Lake Route 29, 7 miles S of Middletown. 487.7 Comment
  JEPS7006  Cordylanthus pilosus subsp. pilosus Peter H. Raven 1954-9-1 8095 Lake Butts Canyon 7 mi s of Middletown; Butts Canyon Comment
  JEPS6817  Cordylanthus pringlei R. F. Hoover 1938-9-23 3867 Lake Butts Canyon Comment
  JEPS7009  Cordylanthus pringlei W. L. Jepson 1930-10-19 15701 Napa Butts Canyon Comment
  UC762579  Cordylanthus pringlei R. F. Hoover 1938-9-23 3867 Lake Butts Canyon Comment
  CAS-BOT-BC238215  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1938-9-23 3866 Lake Butts Canyon Comment
  JEPS6808  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1928-9-23 3866 Lake Butts Canyon Comment
  UC596290  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1938-9-23 3866 Lake Butts Canyon Comment
  UC762574  Cordylanthus tenuis subsp. brunneus R. F. Hoover 1938-9-23 3866 Lake Butts Canyon Comment
  JEPS106395  Cornus nuttallii Jake Ruygt 1990-4-28 2510 Napa Livermore Rd. about 1/2 mile from HWY 29 524 Comment
  SEINET2065359 Image available Corylus cornuta Royal D. Suttkus 1967-6-26 67 -3035 Napa Clearly Reserves, 7.2 miles NE of Pope Valley. Comment
  CAS-BOT-BC190157  Crypsis vaginiflora Peter H. Raven 1954-9-1 8100 Lake Strand of Detest Reservoir, 5.8 mile from Middletown on Butts Canyon road. Comment
  HSC81728  Cryptantha hispidula Thomas W. Nelson, Jane P. Nelson 1980-5-3 5137 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS106739  Cryptantha hispidula Jake Ruygt 1981-5-21 1043 Napa 1.0 miles north of Butts Canyon Rd. on Snell Valley Rd. 213 Comment
  JEPS129033  Cryptantha hispidula Jake Ruygt 2016-5-14 6256 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  UC1731385  Cryptantha hispidula Dean W. Taylor 1998-6-18 16668 Napa small side canyon 0.5 mi above (n) mouth of Pope Valley; North Coast Ranges, Butts Canyon 289 Comment
  UCD160589  Cryptantha hispidula Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8705 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 223 Comment
  UCD160650  Cryptantha hispidula Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8736 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD160721  Cryptantha hispidula Ellen Dean 2015-5-23 8773 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  UCD167152  Cryptantha muricata var. jonesii Jake Ruygt 2015-5-11 6096 Napa Fernandes - Snell Peak. 393 Comment
  A357984  Cupressus macnabiana N. F. Bracelin 1930-10-19 127 Unknown 10 mi. S. of Middletown, Lake Co. Butte Canyon road Comment
  CAS-BOT-BC80721  Cupressus macnabiana David D. Keck 1931-4-3 1101 Napa Two miles NE of Aetna Springs, northern Napa county Comment
  POM182662  Cupressus macnabiana D. D. Keck 1931-4-3 1101 Napa 2 miles northeast of Aetna Springs, northern Napa County Comment
  UC1193108  Cupressus macnabiana P. Zinke 1951-5-21 226 Lake between Black Oak Villa and County line; Quad 59C2 426 Comment
  A356122  Cupressus sargentii N. F. Bracelin 1930-10-19 128 Unknown 10 mi. S. of Middletown, Butte Canyon Road Comment
  A356149  Cupressus sargentii F. W. Anderson 1913-09-01 - 1913-10-01 Unknown Butt's Canyon , S.W. Lake C. Comment
  CAS-BOT-BC80809  Cupressus sargentii R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6714 Lake on Pope Valley - Middletown road, 3 mi. NW. of Napa-Lake county line Comment
  CAS-BOT-BC80827  Cupressus sargentii David D. Keck 1931-4-3 1101 a Lake 6 miles north of Aetna Springs, southern Lake County Comment
  CAS-BOT-BC85482  Cupressus sargentii John Thomas Howell 1965-5-27 41324 Napa Along creek in Butts Canyon Comment
  CAS-BOT-BC85483  Cupressus sargentii John Thomas Howell 1927-8-24 3050 Napa Moist, rocky stream-bottom, Butts Valley, on Pope Valley-Middletown road, Napa Range Comment
  CAS-BOT-BC85485  Cupressus sargentii John Thomas Howell 1927-8-24 3051 Napa moist, rocky stream-bed, Butts Valley, on Pope Valley-Middletown road, Napa Range Comment
  CAS-BOT-BC85518  Cupressus sargentii John Thomas Howell 1930-10-19 5630 Lake Rocky canyon bottom, 10 miels from Middletown on Butts Canyon Road Comment
  CAS-BOT-BC85524  Cupressus sargentii Mrs. H. P. Bracelin 1930-10-19 127 Lake 10 mi. S. of Middletown, Butts Canyon Road Comment
  CHSC109722  Cupressus sargentii L. R. Abrams 1926-5-4 12282 Napa County line, Napa - Lake County. Comment
  GH356151  Cupressus sargentii R. F. Hoover 1941-4-26 4930 Unknown Butts Canyon, a short distance below Lake County line Comment
  JEPS79565  Cupressus sargentii Edward Lee with A. Carter and E. Crum 1936-3-15 1821 Napa stream valley near stream Butt's Canyon ((trip from Rutherford to Pope Valley)) Comment
  JEPS79566  Cupressus sargentii Edward Lee with A. Carter and E. Crum 1936-3-15 1822 Napa stream valley near stream Butt's Canyon ((trip from Rutherford to Pope Valley)) Comment
  POM192996  Cupressus sargentii H. P. Bracelin 1930-10-19 127 Lake 10 miles south of Middletown, Butts Canyon Road Comment
  RSA31146  Cupressus sargentii L. R. Abrams 1928-5-4 12282 Lake County line, Napa-Lake county Comment
  SEINET3863406 Image available Cupressus sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 miles north of Pope Valley.; 0 Comment
  UC419724  Cupressus sargentii Mrs. H. P. Bracelin 1930-10-19 127 Lake 10 mi s Middletown; Butt canyon road Comment
  UC419725  Cupressus sargentii Mrs. H. P. Bracelin 1930-10-19 128 Lake 10 mi s Middletown (Butt Canyon road); Butt Canyon Comment
  UC527923  Cupressus sargentii R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6714 Lake 3 mi nw Napa-Lake County line (on Pope Valley-Middleton road) Comment
  UC766773  Cupressus sargentii R. F. Hoover 1941-4-26 4930 Napa a short distance below Lake County line; Butts Canyon Comment
  UC972130  Cupressus sargentii Helen K. Sharsmith 1952-5-18 4083 Napa near Napa-Lake County boundary; Inner North Coast Ranges, Butts Canyon 213 Comment
  UCD133650  Cupressus sargentii Edward L. Smith 1967-5-7 s.n. Napa Butts Creek, below small reservoir at upper (northwest) end of canyon where road from Pope Valley enters, Butts Canyon, 6.9 miles northwest of Pope Valley. 213 Comment
  UCD133656  Cupressus sargentii Grady L. Webster; R. Rhode, A. Zoger 1990-4-28 7726 Lake Vic. of Black Oak Villa along Butts Canyon Road c. 0.5 mi NW of Lake/Napa Co. line. 297 Comment
  JEPS47107  Cuscuta californica W. L. Jepson 1930-10-19 15691 Napa Butts Canyon Comment
  JEPS47095  Cuscuta indecora W. L. Jepson 1930-10-19 15703 Napa Butts Canyon Comment
  POM180775  Cuscuta indecora J. T. Howell 1930-10-19 5624 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
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Feb 4 2011
  JEPS129107  Cuscuta subinclusa Jake Ruygt 2015-6-20 6141 Napa Butts Canyon Road south of Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  POM180776  Cuscuta subinclusa J. T. Howell 1930-10-19 5628 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
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Feb 4 2011
  UCD167098  Cuscuta subinclusa Jake Ruygt 2015-6-13 6130 Napa Fernandes - Snell Peak, Land Trust. 360 Comment
  HSC35329  Delphinium hesperium R. M. Sullivan 1975-5-3 46 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  CAS-BOT-BC9933  Delphinium nudicaule Ira L. Wiggins 1933-6-3 6721 Lake 2 miles E. of Oat Hill Mine, Comment
  UC527957  Delphinium nudicaule Ira L. Wiggins 1933-6-3 6721 Lake hillside 2 mi e Oat Hill Mine Comment
  CAS-BOT-BC17101  Delphinium uliginosum Rimo Bacigalupi 1940-6-9 2428 Lake Six miles south of Middletown along Middletown-Pope Valley road Comment
  CAS-BOT-BC17143  Delphinium uliginosum D. E. Breedlove 1980-6-29 44827 Lake Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  CAS-BOT-BC17146  Delphinium uliginosum John Thomas Howell 1965-5-27 41321 Lake Butts Canyon Comment
  CAS-BOT-BC17147  Delphinium uliginosum R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6701 Lake 1/4 mi. NW of Oak Park Springs, on Pope Valley-Middletown road. Comment
  CAS-BOT-BC17150  Delphinium uliginosum R. C. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6684 Napa Butt's Canyon, 10 mi. from Howell Mt. Comment
  GH369748  Delphinium uliginosum D. E. Breedlove 1980-6-29 44827 Unknown Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  JEPS60632  Delphinium uliginosum W. L. Jepson 1938-6-8 18900 Napa Snell Valley and Butts Canyon Comment
  JEPS96757  Delphinium uliginosum Dean W. Taylor 1998-5-20 16446 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  JEPS96762  Delphinium uliginosum Dean W. Taylor 1998-6-18 16672 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  OBI10609  Delphinium uliginosum Robert F. Hoover 1966-5-28 9880 Lake Valley at head of Butts Cyn E of Middletonw Comment
  RSA400120  Delphinium uliginosum Robert Gustafson, Don Reynolds 1983-6-7 2735 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UC1282801  Delphinium uliginosum J. R. Sweeney 1952-5-19 931 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa Co. line on Pope Valley road); Butts Canyon 243 Comment
  UC1498857  Delphinium uliginosum Katharine Brandegee 1911-6-29 Napa Butts Canyon Comment
  UC765790  Delphinium uliginosum R. F. Hoover 1938-6-8 3542 Lake Butts Canyon Comment
  UCD160632  Delphinium uliginosum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8724 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 200 Comment
  UCD96589  Delphinium uliginosum W. R. Russell 1953-6-12 s.n. Lake 12 1/2 miles north of Pope Valley on road from Clear Lake area, Southern Lake County. Comment
  UC1282802  Delphinium variegatum J. R. Sweeney 1952-5-19 934 Lake ne-facing slope 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa Co. line on Pope Valley rd); Butts Canyon 243 Comment
  JEPS110975  Delphinium variegatum subsp. variegatum Jake Ruygt 1989-4-22 2290 Napa Snell Valley Rd. near Berryessa Estates 207 Comment
  JEPS110995  Delphinium variegatum subsp. variegatum Jake Ruygt 1996-4-13 3613 Napa south of James Creek Road across Butts Canyon Road, Pope V. 205 Comment
  CDA11314  Deschampsia cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Arena; Butts Canon, ~6 m. N Aetna Springs. Comment
  UCD61234  Deschampsia cespitosa var. cespitosa G. F. Hrusa 1988-4-16 5536 Napa North Coast Biodiversity Area. Butts Canon. 200 Comment
  HSC35363  Dichelostemma capitatum subsp. capitatum R. M. Sullivan 1975-5-3 48 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC35410  Dichelostemma capitatum subsp. capitatum Scott M. Kruse 1975-5-3 21 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  CAS-BOT-BC153375  Diplacus layneae H. D. Ripley; R. C. Barneby 1945-6-21 6926 Lake 8 miles S.E. of Middletown 335 Comment
  CAS-BOT-BC153385  Diplacus layneae D. E. Breedlove 1980-6-29 44838 Lake Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  CAS-BOT-BC153413  Diplacus layneae R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6681 Napa Butt's Canyon 10 mi. from Howell Mt. Comment
  UCSC010461  Diplacus layneae Dylan M. Neubauer, Tim Forsell 2016-4-1 608 Napa (NCoRI) just east of Butts Canyon Road, 2.49 air-miles sse Snell Peak 329 Comment
  CAS-BOT-BC151335  Diplacus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon 304 Comment
  JEPS50046  Dudleya cymosa W. L. Jepson 1938-5-22 18821 Napa Limekiln Creek Canyon Pope Valley Comment
  UC674804  Dudleya cymosa Thomas Morley 1941-5-11 131 Napa 5.4 mi ne Pope Valley store (on Middletown Rd) 304 Comment
  UCD101883  Dudleya cymosa P. B. Caitlin 1957-5-16 37 Napa along Putah Creek, 8.4 miles west of Pope Valley. 30 Comment
  CAS-BOT-BC113338  Eleocharis montevidensis Peter H. Raven 1951-5-26 s.n. Napa Butts Creek Canyon. Comment
  UC1155252  Elymus elymoides subsp. elymoides J. R. Sweeney 1952-6-15 949 Lake ne-facing slope 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa Co. line on Pope Valley Rd.); Butts Canyon 243 Comment
  JEPS76083  Elymus glaucus subsp. glaucus W. L. Jepson 1938-5-22 18811 Napa Limekiln Creek Canyon Pope Valley Comment
  JEPS76121  Elymus glaucus subsp. glaucus W. L. Jepson 1938-6-8 18895 Napa Butts Canyon South Fork Butts Creek Comment
  UCD160740  Elymus multisetus Ellen Dean 2015-5-23 8792 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  HSC81594  Epilobium minutum Thomas W. Nelson, Jane P. Nelson 1980-5-3 5147 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD160631  Epilobium minutum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8723 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 200 Comment
  UCSC009034  Epilobium minutum Dylan M. Neubauer 2015-4-26 136 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  JEPS101740  Epilobium torreyi Dean W. Taylor 1998-6-3 16458 Lake unnamed rd 0.7 miles N Napa County line, ca. 1.5 mile N of Oat Hill 548 Comment
  UCD160731  Erigeron reductus var. angustatus Ellen Dean 2015-5-23 8783 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD160747  Erigeron reductus var. angustatus Ellen Dean 2015-5-23 8799 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 243 Comment
  CAS-BOT-BC266059  Eriogonum luteolum Elizabeth McClintock 1952-8-31 52 -603 Napa About 4 miles north of Aetna Springs in Butts Canyon Comment
  JEPS110761  Eriogonum luteolum var. luteolum Jake Ruygt 1980-6-22 938 Napa .1 mile north of Snell Valley Rd. on Butts Canyon Rd. 204 Comment
  JEPS96714  Eriogonum luteolum var. luteolum Dean W. Taylor 1998-5-20 16449 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  UC1282817  Eriogonum luteolum var. luteolum J. R. Sweeney 1953-5-18 1037 Lake 1.1 mi on Pope Valley road Lake-Napa county line (0.4 mi se of Black Oak Villa in Butts Canyon) 243 Comment
  UCD160590  Eriogonum luteolum var. luteolum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8706 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 223 Comment
  UCD160655  Eriogonum luteolum var. luteolum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8741 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCR43099  Eriogonum luteolum var. luteolum L. F. LaPre 1985-4-26 s.n. Lake Inner North Coast Ranges, Bucksnort Creek serpentine barrens, 0.5 mi north of Butts Canyon Road, just east of Detert Reservoir 320 Comment
  CAS-BOT-BC262324  Eriogonum vimineum D. E. Breedlove 1980-6-29 44837 Lake Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  HSC67487  Eriophyllum lanatum J. P. Smith, J. O. Sawyer 1970-5-17 3788 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  UCD160736  Eriophyllum lanatum Ellen Dean 2015-5-23 8788 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 231 Comment
  CAS-BOT-BC301053  Eriophyllum lanatum var. achilleoides R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6679 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  UC1080202  Eriophyllum lanatum var. achilleoides J. R. Sweeney 1953-5-8 Lake 0.5 mi n of Black Oak Villa Comment
  UC1080198  Eriophyllum lanatum var. integrifolium Francia Chisaki 1953-5-8 565 Lake 0.5 mi n of Black Oak Villa Comment
  UCSC009038  Erythranthe guttata Dylan M. Neubauer 2015-4-26 140 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  CAS-BOT-BC151561  Erythranthe nudata D. E. Breedlove 1980-6-29 44828 Lake Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  CAS-BOT-BC151565  Erythranthe nudata H. D. Ripley; R. C. Barneby 1945-6-21 6925 Lake 8 miles SE of Middletown 335 Comment
  UCSC009037  Erythranthe nudata Dylan M. Neubauer 2015-4-26 139 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  CAS-BOT-BC133275  Erythronium helenae Peter H. Raven 1955-4-9 8270 Lake Butts Canyon Comment
  CAS-BOT-BC133281  Erythronium helenae Peter H. Raven 1955-4-9 8270 Lake Butts Canyon Comment
  GH357389  Erythronium helenae F. H. Utech, E. M. Mcclintock, W. Knight & I. Knight 1984-4-13 84 -025 Unknown Lake County: ca 6.0 mi E from junction of CA hwy 29 and Butts Canyon Road on Butts Canyon Road; Detert Reservoir area Comment
  JEPS129023  Erythronium helenae Jake Ruygt 2016-3-15 6162 Napa Missimer-Fernandes; E of Butts Canyon. Aetna Springs 7.5' Quad. Comment
  JEPS81596  Erythronium helenae R. Raiche 1982-3-7 20207 Lake hill at n.e. side Detert Reservoir (on Butts Canyon Rd.) Comment
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Apr 21 2010
  SEINET12058502  Erythronium helenae F. H. Utech, Kawano, S.; Ohara, M. 1995-3-27 95 -66 Lake 6 mi ESE of Middletown & CA 29 on Butts Canyon Road, E of Detert Reservoir Comment
  UC1106184  Erythronium helenae Peter H. Raven 1955-4-9 8270 Lake on steep walls of side-stream Butts Canyon Comment
  UC13786  Erythronium helenae Miss Armstrong Mar. 1900 Napa Oa<t?> Hill Comment
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May 1 2014
  UCD139641  Erythronium helenae Rolf Y. Berg 1963-3-3 s.n. Lake head of Butts Creek Canyon, on Pope Valley - Middletown Road. Comment
  HSC35406  Eschscholzia californica J. M. Sauser 1975-5-3 30 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC34576  Euphorbia crenulata Robert M. Specht 1975-5-3 164 Lake 8.7 mi E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  JEPS51926  Euphorbia crenulata W. L. Jepson 1938-5-22 18833 Napa Butts Canyon; South Fork Comment
  UCD160591  Euphorbia spathulata Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8707 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). Rocky Creek Bed 251 Comment
  UC1155258  Festuca californica J. R. Sweeney 1953-5-8 1017 Napa 0.1 mi se Black Oak Villa (1.1 mi from Lake-Napa County line; on Pope Valley road); Butts Canyon Comment
  UC766903  Festuca californica R. F. Hoover 1941-4-26 4926 Napa canyon n Pope Valley (on road to Butts Canyon) Comment
  UCD160598  Festuca californica Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8714 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 251 Comment
  JEPS76120  Festuca rubra W. L. Jepson 1938-6-8 18894 Napa Butts Canyon South Fork Butts Creek Comment
  HSC60199  Frangula californica subsp. occidentalis J. P. Smith, J. O. Sawyer 1970-5-17 3785 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  HSC46117  Fraxinus dipetala J. P. Smith, J. O. Sawyer 1970-5-17 3787 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  RSA41909  Fremontodendron californicum Ella Dales Cantelow 1939-5-7 2529 Napa Just E of Napa - Lake Co line. Comment
  CAS-BOT-BC130072  Fritillaria affinis E. Crum 1936-3-15 1740 Napa [Butte's] Butts Canyon, Pope Valley-Middletown Road Comment
  JEPS55693  Fritillaria affinis W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  POM224396  Fritillaria affinis Ethel Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  UC1282820  Fritillaria affinis J. R. Sweeney 1953-3-7 973 Lake 0.4 mi se of Black Oak Villa (in Butts Canyon, 1.1 mi from Lake-Napa county line on Pope Valley Road); Butts Canyon 243 Comment
  UC545849  Fritillaria affinis E. Crum 1936-3-15 1740 Napa Butts Canyon, Pope Valley-Middletown Road Butts Canyon; , Pope Valley-Middletown Road Comment
  UCD167091  Fritillaria affinis Jake Ruygt 2015-3-7 6031 Napa South of Snell Peak. 335 Comment
  JEPS89228  Fritillaria pluriflora W. Roderick 1964-3-17 Napa Butts Canyon, near Lake County Line Butts Canyon Comment
  SEINET12058215  Fritillaria pudica F. H. Utech, Kawano, S.; Ohara, M. 1995-3-27 95 -67 Lake 6 mi ESE of Middletown & CA 29 on Butts Canyon Road, E of Detert Reservoir Comment
  JEPS113967  Fritillaria purdyi Jake Ruygt 1979-4-6 487 Napa .3 mile east of Butts Canyon Road, on Snell Valley Road. Aetna Springs 7.5' Quad. Comment
  JEPS129090  Fritillaria purdyi Jake Ruygt 2016-3-15 6163 Napa Missimer-Fernandes E of Butts Canyon. Aetna Springs 7.5' Quad. Comment
  JEPS81599  Fritillaria purdyi R. Raiche 1982-3-7 20205 Napa Junction of Snell Valley Road and Butts Canyon Road Comment
  GH404211  Fritillaria recurva D. D. Keck 1931-4-3 1079 Unknown Six miles north of Aetna Springs, head of Butts Canyon Comment
  POM182680  Fritillaria recurva D. D. Keck 1931-4-3 1079 Lake 6 miles north of Aetna Springs, head of Butts Canyon, southern Lake County Comment
  POM224397  Fritillaria recurva Ethel Crum 1936-3-15 1739 Napa Butts Canyon, Pope Valley - Middletown Road Comment
  UC1490306  Fritillaria recurva Rolf Y. Berg 1980-4-13 Lake 0.5 mi w of Napa County Line (Butts Canyon); Butts Canyon Comment
  UC545850  Fritillaria recurva E. Crum 1936-3-15 1739 Napa Butt's Canyon, Pope Valley-Middletown Road Butt's Canyon; , Pope Valley-Middletown Road Comment
  UCSC010490  Fritillaria recurva Dylan M. Neubauer, Tim Forsell 2016-4-1 610 Napa (NCoRI) just e Butts Canyon Road, .91 air-mile s junction with Snell Valley Road 327 Comment
  UCSC010491  Fritillaria recurva Dylan M. Neubauer, Tim Forsell 2016-4-1 610 Napa (NCoRI) just e Butts Canyon Road, .91 air-mile s junction with Snell Valley Road 327 Comment
  JEPS52614  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-3 4232 Lake 0.6 mi nw Black Oak Villa (s side of Pope Valley-Middletown Hwy, along gully) Comment
  JEPS52616  Galium L. T. Dempster and G. L. Stebbins 1966-6-3 4230 Lake 0.6 mi nw Black Oak Villa (s side of Pope Valley-Middletown Hwy, along gully) Comment
  JEPS52618  Galium G. Ledyard Stebbins 1966-5-3 6212 Lake Butts Creek Comment
  UC1502964  Galium Lauramay T. Dempster and G. L. Stebbins 1966-6-3 4230 Lake 0.6 mi nw Black Oak Villa (s side of Pope Valley-Middletown Hwy, along gully) Comment
  UC1502966  Galium L. T. Dempster and G. L. Stebbins 1966-6-3 4232 Lake 0.6 mi nw Black Oak Villa (s side of Pope Valley-Middletown Hwy, along gully) Comment
  UCD160741  Galium andrewsii Ellen Dean 2015-5-23 8793 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  JEPS110565  Galium andrewsii subsp. andrewsii Jake Ruygt 1979-6-3 674 Napa Oat Hill Mine Rd. North 573 Comment
  JEPS52615  Galium andrewsii subsp. andrewsii Lauramay T. Dempster and G. L. Stebbins 1966-6-3 4231 Lake s side of Pope Valley-Middletown road 0.6 mi nw Black Oak Villa (along gully) Comment
  JEPS52788  Galium andrewsii subsp. andrewsii G. Ledyard Stebbins 1964-5-24 6151 Lake on road from Middletown to Pope Valley about 1/2 mi n Napa County line; Butts Canyon 228 Comment
  JEPS7029  Galium andrewsii subsp. andrewsii W. L. Jepson 1938-5-22 18834 Napa South Fork Butts Canyon Comment
  UC1282696  Galium andrewsii subsp. andrewsii J. R. Sweeney 1952-5-2 768 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa Co. line on Pope Valley Rd); Butts Canyon 243 Comment
  UC1502965  Galium andrewsii subsp. andrewsii L. T. Dempster and G. L. Stebbins 1966-6-3 4231 Lake 0.6 mi nw Black Oak Villa (s side of Pope Valley-Middletown Hwy) Comment
  UCSC009033  Galium andrewsii subsp. andrewsii Dylan M. Neubauer 2015-4-26 135 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  UCD160586  Galium bolanderi Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8701 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 223 Comment
  UCD160726  Galium bolanderi Ellen Dean 2015-5-23 8778 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD160729  Galium bolanderi Ellen Dean 2015-5-23 8781 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UC1318333  Galium californicum subsp. californicum J. R. Sweeney 1953-5-8 1007 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa Co. line on Pope Valley road); Butts Canyon 243 Comment
  UCD121896  Galium porrigens G. F. Hrusa; G. L. Stebbins 1994-4-14 11778 Napa Butts Canyon, 4 m. N Pope Valley. Along Butts Creek. 200 Comment
  JEPS52758  Galium porrigens var. porrigens G. Ledyard Stebbins 1964-5-24 6152 Lake about 1/2 mi n Napa Cty line (road from Middletown to Pope Valley); Butts Canyon 228 Comment
  UCD160728  Garrya congdonii Ellen Dean 2015-5-23 8780 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UCD162740  Garrya congdonii Dylan O. Burge; J. Rugyt 2014-5-23 1626 Napa Butts Canyon Road, roadside. 222 Comment
  RSA41998  Garrya elliptica Ella Dales Cantelow 1939-5-7 2532 Napa Just E of Napa - Lake Co line. Comment
  UC527838  Gilia capitata subsp. capitata Ira L. Wiggins 1933-6-3 6718 Lake 2 mi e Oat Hill Mine; e of Oat Hill Mine Comment
  UC908451  Gilia tricolor subsp. tricolor Herbert L. Mason 1933-4-30 7224 Napa n Aetna Springs (near Napa-Lake County line); n of Aetna Springs Comment
  HSC34259  Githopsis specularioides A. M. Montalvo 1975-5-3 224 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  UC1282833  Githopsis specularioides J. R. Sweeney 1952-5-2 750 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line, on Pope Valley Road); Butts Canyon 243 Comment
  JEPS121525  Grindelia hirsutula Adam C. Schneider with Dick O'Donnell 2013-5-26 234 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS41883  Grindelia hirsutula W. L. Jepson 1897-7-13 Lake Pope Valley to Middleton; Butis Canyon Comment
  UC185683  Harmonia hallii Katharine Brandegee Lake Butts Canyon, s Lake Co. Butts Canyon Comment
  UCD167164  Harmonia hallii Jake Ruygt 2015-4-20 6069 Napa Fernandes/ Land Trust, Snell Peak area. 372 Comment
  UC101338  Harmonia nutans Dean W. Taylor 1998-6-3 16459 Lake unnamed rd 0.7 miles N Napa County line, ca. 1.5 mile N of Oat Hill 548 Comment
  CAS-BOT-BC306348  Helenium W. L. Jepson 1938-9-24 19023 Napa In canyon of Limekiln (or James) Creek, north of Pope Valley 304 Comment
  JEPS106642  Helenium bigelovii Jake Ruygt 1979-7-21 759 Napa 5.5 miles north of Howell Mtn Rd. on Butts Canyon Rd. 243 Comment
  JEPS22922  Helenium bigelovii W. L. Jepson 1938-9-24 19023 Napa n of Pope Valley (in canyon of Limekiln (or James) Creek); Limekiln Creek, James Creek 304 Comment
  UC1321309  Helenium bigelovii R. F. Hoover 1966-8-23 9934 Napa near Lake Co. line; Butts Canyon Comment
  OBI16346  Helenium puberulum Robert F. Hoover 1966-8-23 9934 Napa Butts Cyn near Lake Co. line Comment
  CAS-BOT-BC539292  Helianthus G. Ledyard Stebbins 1972-7-20 s.n. Napa Butts Canyon Butts Creek Road, 0.5 mi W of Black Oak Villa [exact location unknown] Comment
  UCD160956  Helianthus G. Ledyard Stebbins 1972-7-20 s.n. Lake Butts Canyon. Butts Creek Road, 0.5 mile west of Black Oak Villa. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC305533  Helianthus bolanderi John Thomas Howell 1930-10-19 5616 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown Comment
  CDA13716  Helianthus bolanderi G. F. Hrusa, T. D. Wilfred 1997-7-24 14020 Napa North Coast Biodiversity Arena; Middle reaches of Butts Canyon +- 8-10 mi. SE of Middletown. Comment
  CDA13717  Helianthus bolanderi G. F. Hrusa, T. D. Wilfred 1997-7-24 14022 Lake North Coast Biodiversity Arena; Northern Butts Canyon +- 4-5 m. SE of Middletown Comment
  CDA13800  Helianthus bolanderi G. F. Hrusa, T. D. Wilfred 1997-7-24 14021 Lake North Coast Biodiversity Arena; Northern Butts Canyon +- 4-5 m. SE of Middletown Comment
  CHSC84882  Helianthus bolanderi G. F. Hrusa; T. D. Wilfred 1997-7-24 14022 Lake North Coast Biodiversity Arena. Roadsides in northern Butts Canyon +/- 4-5 m. SE of Middletown. 200 Comment
  JEPS35463  Helianthus bolanderi W. L. Jepson 1938-9-24 19018 Napa Canyon of James Creek Pope Valley, Canyon of James Creek 304 Comment
  JEPS7812  Helianthus bolanderi Peter H. Raven 1954-9-1 8083 Lake 7 mi s Middletown; Butts Canyon Comment
  POM180773  Helianthus bolanderi J. T. Howell 1930-10-19 5616 Napa Dry slope, 3 miles from Aetna Springs on Butte Valley road to Middletown Comment
  UCD132905  Helianthus bolanderi G. F. Hrusa 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  UCD132906  Helianthus bolanderi G. F. Hrusa; T. D. Wilfred 1997-7-24 14020 Napa middle reaches of Butts Canyon +/- 8 to 10 miles southeast of Middletown. 200 Comment
  JEPS105354  Helianthus exilis Dean W. Taylor 1994-10-7 14712 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  UCD160635  Hemizonella minima Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8727 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  CAS-BOT-BC306054  Hemizonia congesta subsp. clevelandii D. E. Breedlove 1980-6-29 44824 Lake Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  CAS-BOT-BC306074  Hemizonia congesta subsp. clevelandii Peter H. Raven 1954-9-1 8093 Lake Butts Canyon, 7 mi. s. of Middletown Comment
  JEPS7809  Hemizonia congesta subsp. clevelandii Peter H. Raven 1954-9-1 8093 Lake 7 mi s Middletown; Butts Canyon Comment
  JEPS40377  Hemizonia congesta subsp. luzulifolia W. L. Jepson 1938-9-24 19019 Napa canyon of James Creek; Pope Valley 304 Comment
  UC222698  Hemizonia congesta subsp. luzulifolia H. M. Hall 1923-10-14 11942 Napa 8 mi w Pope Valley Comment
  HSC1206  Hesperocyparis sargentii P. J. Zinke 1957-5-21 225 Lake 1.0 mi. W of county boundary on road to Pope Valley Comment
  HSC46349  Hesperocyparis sargentii J. P. Smith, J. O. Sawyer 1970-5-17 3786 Napa 9 mi. N of Pope Valley Comment
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Jun 12 2012
  SFV12215  Hesperocyparis sargentii E. L. Smith 1967-5-7 Napa Butts Canyon Butts Creek, below small reservoir at upper (northwest) end of canyon where road from Pope Valley enters, Butts Canyon, 6.9 miles northwest of Pope Valley._x000B_Soil shallow cherts and serpentine. 213 Comment
  UC1736419  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley Comment
  UC1736420  Hesperolinon Dean W. Taylor 1998-6-18 16669 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  CAS-BOT-BC167402  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4137 Lake Head of Butts Canyon 0.7 mile east of Black Oak Villa 228 Comment
  CAS-BOT-BC167405  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 s.n. Napa Butts [Canon] Canyon, near Aetna Springs Comment
  CAS-BOT-BC167407  Hesperolinon bicarpellatum R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6704 Lake Meadow on Pope Valley - Middletown road, 3 mi. NW. of county line Comment
  CAS-BOT-BC167408  Hesperolinon bicarpellatum David D. Keck 1933-7-1 2464 Lake 8 miles southeast of Middletown on road to Butts Creek Canyon Comment
  CAS-BOT-BC167409  Hesperolinon bicarpellatum David D. Keck 1933-7-1 2464 Lake 8 miles southeast of Middletown on road to Butts Creek Canyon Comment
  CAS-BOT-BC167413  Hesperolinon bicarpellatum D. E. Breedlove 1980-6-29 44820 Lake Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  CAS-BOT-BC167418  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4137 Lake Head of Butts Canyon 0.7 mile east of Black Oak Villa 228 Comment
  CAS-BOT-BC167419  Hesperolinon bicarpellatum Mrs. K. Brandegee 1911-6-29 s.n. Napa Butts [Canon] Canyon, near Aetna Springs Comment
  CAS-BOT-BC167421  Hesperolinon bicarpellatum Robert F. Hoover 1938-6-8 3539 Napa Canyon of s. fork of Butts Canyon Comment
  CAS-BOT-BC167423  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  CAS-BOT-BC167424  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  GH364894  Hesperolinon bicarpellatum D. E. Breedlove 1980-6-29 44820 Unknown Butts Canyon, Road 5-8 miles S of Middletown 274 Comment
  GH364901  Hesperolinon bicarpellatum H. K. Sharsmith 1952-6-19 4141 Unknown Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  JEPS122785  Hesperolinon bicarpellatum Jake Ruygt 1998-7-6 4075 Napa Butts Canyon about 0.3 mile north of Snell Valley Road. QUAD: Aetna Springs. Comment
  JEPS122851  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 226 Lake Butts Canyon Road, immediately west of gate to Langtry Estate and Vineyards, opposite Detert Reservoir Comment
  JEPS122852  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 230 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS122853  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 232 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS128395  Hesperolinon bicarpellatum Adam C. Schneider with Dick O'Donnell 2013-5-26 225 Lake Southwest side of Butts Canyon Road, 1.3 miles north of Napa/Lake Co. Line. Comment
  JEPS88633  Hesperolinon bicarpellatum Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10800 Napa Butts Canyon Road near junction with Snell Road; North Coast Ranges 204 Comment
  LA47293  Hesperolinon bicarpellatum Helen Sharsmith; 1952-6-19 4137 Lake head of Butts Canyon 0.7 mi. E of Black Oak Villa 228 Comment
  OBI12551  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Cyn and Pope Valley on tributary of Pope Crk 274 Comment
  OBI12553  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4137 Lake Head of Butts Cyn 0.7 mi E of Black Oak Villa 229 Comment
  POM215942  Hesperolinon bicarpellatum D. D. Keck 1933-7-1 2464 Lake 8 miles SE of Middletown on road to Butts Creek Canyon Comment
  RSA151715  Hesperolinon bicarpellatum H. K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek 274 Comment
  RSA565011  Hesperolinon bicarpellatum D. W. Taylor, Glenn L. Clifton 1990-5-25 10800 Napa Butts Canyon Road, near jct. with Snell road Comment
  SD51628  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Serpentine slope in chaparral. Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek. 274 Comment
  SD51766  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4137 Lake Head ob Butts Canyon 0.7 mile east of Black Oak Villa. 228 Comment
  UC1212340  Hesperolinon bicarpellatum J. R. Sweeney 1953-5-18 952 Lake just e Black Oak Villa; Inner North Coast Ranges, Butts Canyon Comment
  UC1212342  Hesperolinon bicarpellatum Herbert L. Mason 1952-6-15 14296 Lake Butts Creek road nine mi se Middletown; Inner North Coast Ranges Comment
  UC1212343  Hesperolinon bicarpellatum J. R. Sweeney 1952-6-8 Lake on road from Pope Valley to Middletown w Napa-Lake county line; Inner North Coast Ranges, Butts Canyon, Black Oak Villa Comment
  UC1212347  Hesperolinon bicarpellatum Herbert L. Mason 1952-6-15 14298 Lake head Butts Creek Canyon; Inner North Coast Range Comment
  UC1212348  Hesperolinon bicarpellatum Helen K. Sharsmith 1958-11-2 4646 Lake Hwy 29 7.2 mi e Middletown (near Guenoc Ranch and Dieterts Lake); Inner North Coast Ranges 304 Comment
  UC1212351  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4608 Lake n slope of canyon 1/4 mi e Black Oak Villa (road from Pope Valley to Middletown); Inner North Coast Ranges, Butt's Creek Canyon (Butt's Canyon 243 Comment
  UC1212352  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4605 Napa one fourth mile n Pope Valley (on road to Butt's Creek); Inner North Coast Ranges 243 Comment
  UC1212354  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa ridge between Butts Canyon and Pope Valley (on tributary of Pope Creek); Inner North Coast Ranges 274 Comment
  UC1212357  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4139 Napa 1.5 mi e Black Oak Villa; Inner North Coast Range, Butts Canyon 213 Comment
  UC1212358  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4140 Napa canyon at junction of Snell Valley road; Inner North Coast Ranges, Butts Canyon 196 Comment
  UC1212359  Hesperolinon bicarpellatum Helen K. Sharsmith 1957-6-18 4606 Napa 0.25 mi beyond north end of Pope Valley (near divide between Pope Valley and Butt's Canyon); Inner North Coast Ranges 259 Comment
  UC1212361  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4143 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC1212363  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4137 Lake head of canyon 0.7 mi e Black Oak Villa; Inner North Coast Ranges, Butts Canyon 228 Comment
  UC1601243  Hesperolinon bicarpellatum Helen K. Sharsmith 1958-10-16 4621 Napa one half mile n Pope Valley (on road Butt's Creek); Inner North Coast Ranges 243 Comment
  UC1601246  Hesperolinon bicarpellatum Helen K. Sharsmith 1958-10-16 4623 Lake on n canyon wall just above Butt's Creek (one-fourth mile e of Black Oak Villa, road from Middletown to Pope Valley); Inner North Coast Ranges 243 Comment
  UC518938  Hesperolinon bicarpellatum David D. Keck 1933-7-1 2464 Lake 8 mi se Middletown (on road to Butts Creek Canyon) Comment
  UC762266  Hesperolinon bicarpellatum R. F. Hoover 1938-6-8 3539 Napa canyon of s. fork of Butts Creek s. fork of Butts Creek Comment
  UCD110482  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4137 Lake Head of Butts Canyon 0.7 mile east of Black Oak Villa. 228 Comment
  UCD110484  Hesperolinon bicarpellatum Helen K. Sharsmith 1952-6-19 4141 Napa Ridge between Butts Canyon and Pope Valley on tributary of Pope Creek. 274 Comment
  UCD160633  Hesperolinon bicarpellatum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8725 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 217 Comment
  UCD167168  Hesperolinon bicarpellatum Jake Ruygt 2015-4-20 6074 Napa Fernandes/ Land Trust, Snell Peak area. 394 Comment
  JEPS121521  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 231 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS121545  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 233 Napa North side of Butts Road, 3/4 miles southeast of Lake/Napa county line. Comment
  JEPS127889  Hesperolinon californicum Adam C. Schneider with Dick O'Donnell 2013-5-26 218 Napa About 200 meters west of Butts Canyon Road. Comment
  UCD167169  Hesperolinon californicum Jake Ruygt 2015-4-20 6076 Napa Fernandes/ Land Trust, Snell Peak area. 455 Comment
  UC1212309  Hesperolinon clevelandii Helen K. Sharsmith 1958-11-2 4643 Napa one mi above Aetna Springs (ca 5 mi beyond town of Pope Valley); Inner North Coast Ranges 304 Comment
  UC1212327  Hesperolinon clevelandii Helen K. Sharsmith 1952-6-19 4144 Napa about 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  UC1212336  Hesperolinon clevelandii Rimo Bacigalupi 1953-6-8 Lake Black Oak Villa inner North Coast Ranges, Butts Canyon Comment
  UCD164732  Hesperolinon clevelandii Jake Ruygt 2014-6-14 6002 Napa Ranch near Oat Hill. 619 Comment
  UCSC009031  Hesperolinon clevelandii Dylan M. Neubauer 2015-4-26 133 Napa (NCoRI) Butts Canyon Rd, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  JEPS122798  Hesperolinon disjunctum Jake Ruygt 2005-7-10 4942 b Napa Oat Hill Mine Road North, near Corona Mine. QUAD: Detert Reservoir. Comment
  JEPS88634  Hesperolinon disjunctum Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10807 Napa Butts Canyon Road near junction with Snell Road (slope adjacent to small stream); North Coast Ranges 204 Comment
  JEPS112653  Hesperolinon micranthum Jake Ruygt 1995-6-17 3504 Napa Butts Canyon Road at Snell Valley Road; to SE. 487 Comment
  JEPS122850  Hesperolinon micranthum Adam C. Schneider with Dick O'Donnell 2013-5-26 224 Lake Southwest side of Butts Canyon Road, 1.3 miles north of Napa/Lake Co. Line. Comment
  JEPS15261  Hesperolinon micranthum Rimo Bacigalupi with J. R. Sweeney and H. L. Mason 1953-6-8 4178 Lake about 1/2 mi n Lake-Napa County boundary line; Butts Canyon Comment
  JEPS15277  Hesperolinon micranthum Rimo Bacigalupi with J. Robert Sweeney 1953-5-26 4139 Lake along Butts Canyon Road n Black Oak Villa (just n of Napa-Lake County line) 259 Comment
  JEPS78930  Hesperolinon micranthum Rimo Bacigalupi with H. L. Mason and J. R. Sweeney 1953-6-8 4178 Lake about 1/2 mi n Lake-Napa County boundary line; Butts Canyon Comment
  RSA435707  Hesperolinon micranthum Robert Gustafson, Don Reynolds 1983-6-7 2738 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC1212242  Hesperolinon micranthum Herbert L. Mason 1952-6-15 14297 Lake Butts Creek road se Middletown; Inner North Coast Ranges Comment
  UC1212249  Hesperolinon micranthum J. R. Sweeney 1953-5-18 955 Lake just e Black Oak Villa; Inner North Coast Ranges, Butts Canyon Comment
  UC1212265  Hesperolinon micranthum Helen K. Sharsmith 1952-6-19 4138 Lake canyon 0.7 mi e Black Oak Villa; Inner North Coast Ranges, Butts Canyon 228 Comment
  UC1212416  Hesperolinon micranthum Helen K. Sharsmith 1957-6-18 4607 Lake ca 1.0 mi e Black Oak Villa (road from Pope Valley to Middletown, n slope of Butts Creek Canyon); Inner North Coast Ranges, Butts Creek Canyon 243 Comment
  UC1212426  Hesperolinon micranthum Rimo Bacigalupi with J. R. Sweeney and H. L. Mason 1953-6-8 4178 Lake about 0.5 mi n Lake-Napa County boundary line; Inner North Coast Ranges, Butts Canyon Comment
  UC1282773  Hesperolinon micranthum J. R. Sweeney 1952-6-15 959 Lake Black Oak Villa Comment
  UC1601268  Hesperolinon micranthum Helen K. Sharsmith 1958-10-16 4624 Lake road from Middletown to Pope Valley one-fourth mi e Black Oak Villa (n canyon slope just above Butt's Creek); Inner North Coast Ranges 243 Comment
  UCD160649  Hesperolinon micranthum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8735 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD160739  Hesperolinon micranthum Ellen Dean 2015-5-23 8791 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 240 Comment
  JEPS122791  Hesperolinon sharsmithiae Jake Ruygt 2009-6-20 5442 Napa Butts Canyon Road. QUAD: Aetna Springs. Comment
  JEPS32286  Hesperolinon spergulinum Katharine Brandegee Lake Butts Canyon Comment
  RSA435710  Hesperolinon spergulinum Robert Gustafson, Don Reynolds 1983-6-7 2740 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC1212397  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-19 4142 Napa ca 1 mi w Aetna Springs (near Aetna Mine); Inner North Coast Ranges 304 Comment
  CAS-BOT-BC324626  Holocarpha virgata Peter H. Raven 1954-9-1 8090 Lake Butts Canyon, 7 miles south of Middletown Comment
  JEPS76119  Hordeum brachyantherum subsp. brachyantherum W. L. Jepson 1938-6-8 18893 Napa South Fork Butts Creek , Butts Canyon (Butts Canyon) Comment
  UCD160737  Hypochaeris radicata Ellen Dean 2015-5-23 8789 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 231 Comment
  UC1282819  Iris fernaldii J. R. Sweeney 1953-5-8 1001 Lake 0.4 mi se Black Oak Villa in Butts Canyon (1.1 mi from Lake-Napa county line on Pope Valley road); Butts Canyon 243 Comment
  HSC35023  Iris macrosiphon Robert M. Specht 1975-5-3 160 Lake 8.7 mi E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  UCD160672  Iris macrosiphon Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8745 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  SEINET2064754 Image available Juglans californica Royal D. Suttkus 1967-6-26 67 -3036 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  RSA368101  Juncus oxymeris Robert Gustafson, Don Reynolds 1983-6-7 2734 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC527940  Juncus oxymeris R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6686 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  JEPS76122  Koeleria macrantha W. L. Jepson 1938-6-8 18896 Napa South Fork Butts Creek Butts Canyon; , South Fork Butts Creek Comment
  CAS-BOT-BC341408  Lagophylla minor R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6710 Lake Meadow on Pope Valley - Middletown road, 3 mi. NW. of Napa-Lake county line Comment
  HSC35051  Lagophylla minor John S. Palmer 1975-5-3 319 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC35400  Lagophylla minor Dryden 1975-5-3 152 Lake Butt's Canyon Rd., 8.7 mi E of Hwy. 29 along Butt's Canyon Creek 549 Comment
  JEPS89774  Lagophylla minor Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10803 Napa Butts Canyon Road near junction with Snell Road (North Coast Ranges); , Butts Canyon Road 204 Comment
  UC527947  Lagophylla minor R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6710 Lake 3 mi nw Napa-Lake County line (meadow on Pope Valley-Middletown road) Comment
  CHSC22937  Lasthenia californica Robert A. Schlising; Greg Bos 1963-3-30 2472 Lake Coast Ranges. At Lake Detert, along Butts Canyon Road. Comment
  UC527843  Lathyrus vestitus var. vestitus Ira L. Wiggins 1933-6-3 6732 Lake 2 mi e Oat Hill Mine (se Lake County) Comment
  CAS-BOT-BC323188  Layia chrysanthemoides John Thomas Howell 1931-4-3 6145 Napa North end of Pope Valley, Napa Range. Comment
  CAS-BOT-BC323194  Layia chrysanthemoides David D. Keck 1931-4-3 1074 Napa 3 miles NE of Aetna Springs, northern Napa County. Comment
  CAS-BOT-BC323195  Layia chrysanthemoides David D. Keck 1931-4-3 1074 Napa 3 miles NE of Aetna Springs, northern Napa County. Comment
  POM190266  Layia chrysanthemoides D. D. Keck 1931-4-3 1074 Napa 3 miles NE of Aetna Springs, northern Napa County. Comment
  JEPS106634  Layia septentrionalis Jake Ruygt 1989-4-22 2289 Napa Snell Valley Rd. just east of Butts Canyon Rd. 143 Comment
  HSC81692  Leptosiphon parviflorus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5143 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD160642  Leptosiphon parviflorus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8731 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UCD160654  Leptosiphon parviflorus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8740 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  CAS-BOT-BC341993  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa Canyon of south fork of Butts Creek Comment
  CAS-BOT-BC342027  Lessingia ramulosa Peter H. Raven 1954-9-1 8089 Lake Butts Canyon, 7 mi. s. of Middletown Comment
  JEPS20600  Lessingia ramulosa John Thomas Howell 1927-8-24 3052 Lake on Pope Valley-Middletown road 8 mi ese Middletown Comment
  JEPS20656  Lessingia ramulosa W. L. Jepson 1938-6-8 18887 Napa nw Pope Valley; South Fork of Butts Creek Comment
  JEPS7814  Lessingia ramulosa Peter H. Raven 1954-9-1 8089 Lake 7 mi s Middletown; Butts Canyon Comment
  RSA128573  Lessingia ramulosa P. H. Raven 1954-9-1 8089 Lake Butts Canyon, 7 miles south of Middletown Comment
  UC1282679  Lessingia ramulosa J. R. Sweeney 1952-6-15 955 Napa 0.4 mi se of Black Oak Villa in Butts Canyon (1.1 mi from Lake-Napa County line on Pope Valley Road); , Black Oak Villa 243 Comment
  UC1287462  Lessingia ramulosa Willard Spence 1962-7-20 720 Lake 7 mi n of Aetna Springs on Butts Canyon Rd. (on the road to Middletown) Comment
  UC1287464  Lessingia ramulosa Willard Spence 1960-7-3 560 Lake 7 mi along Butts Canyon Road (which is 0.5 mi n of Middletown on Rt. 53) Comment
  UC761925  Lessingia ramulosa R. F. Hoover 1938-6-8 3540 Napa canyon of s fork Butts Creek; Canyon of s fork of Butts Creek Comment
  UCR49831  Lessingia ramulosa L. F. LaPre 1987-7-1 s.n. Lake Inner North Coast Ranges, Bucksnort Creek near Butts Canyon Rd., near Grande Winery 299 Comment
  UC1282811  Lewisia rediviva J. R. Sweeney 1952-5-19 929 Lake Black Oak Villa Locality, 1951 Burn Comment
  HSC35388  Limnanthes douglasii A. M. Montalvo 1975-5-3 225 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  JEPS101659  Linanthus harknessii Dean W. Taylor 1998-6-3 16460 Lake unnamed rd 0.7 miles N Napa County line, ca. 1.5 mile N of Oat Hill 548 Comment
  UC908780  Linanthus parviflorus Herbert L. Mason 1933-4-30 7221 Napa n of Aetna Springs (near Napa-Lake County line) Comment
  JEPS37796  Lithocarpus densiflorus W. L. Jepson 1938-10-1 19066 Lake Guenoc Valley Mt. St. Helena (Mt. St. Helena, e slope 0.5 mi below pass) Comment
  CAS-BOT-BC342183  Logfia filaginoides Ira L. Wiggins 1933-6-3 6716 Lake 2 mi. E. of Oat Hill Mine Comment
  UCSC009036  Logfia filaginoides Dylan M. Neubauer 2015-4-26 138 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction with Snell Valley Road 200 Comment
  UC1552119  Lomatium dasycarpum A. Liston and M. Blumler 1987-4-25 663 -4 Lake 0.4 mi SE of Guenoc Winery entrance (Butts Canyon Road, ca. 6 mi S of Hwy 29) Comment
  RSA424746  Lomatium dasycarpum subsp. dasycarpum Aaron Liston, M. Blumler 1987-4-25 663 -4 Lake Butts Canyon Road, ca. 6 miles S of Hwy 29. 0.4 miles SE of Guenoc Winery entrance. Comment
  UCD148109  Lomatium dasycarpum subsp. dasycarpum Jake Ruygt 1979-4-6 485 Napa Napa County; on Snell Valley Rd. 0.3 mi. east of Butts Canyon Rd. 207 Comment
  JEPS122701  Lomatium dasycarpum var. dasycarpum Jake Ruygt 2004-5-3 4588 Napa About 0.3 mile east of Butts Canyon Road on Snell Valley Road. Quad: Aetna Springs. Comment
  POM182682  Lomatium marginatum D. D. Keck 1931-4-3 1076 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  HSC35022  Lomatium marginatum var. purpureum Ron Ralston 1975-5-3 25 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Road 549 Comment
  HSC35048  Lomatium marginatum var. purpureum John S. Palmer 1975-5-3 320 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC37226  Lomatium marginatum var. purpureum Lon Hall 1975-5-3 334 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  JEPS104546  Lomatium marginatum var. purpureum Jake Ruygt 1979-4-6 484 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Road 207 Comment
  JEPS129176  Lomatium marginatum var. purpureum Jake Ruygt 2015-3-7 6032 Napa South of Snell Peak. Aetna Spring 7.5' Quad. Comment
  JEPS14077  Lomatium marginatum var. purpureum W. L. Jepson 1938-6-8 18886 Napa n. Pope Valley (on s. fork of Butts Creek, Butts Canyon); Butts Canyon Comment
  RSA3281A  Lomatium marginatum var. purpureum D. D. Keck 1931-4-3 1076 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  RSA452560  Lomatium marginatum var. purpureum Robert Gustafson, Don Reynolds 1983-6-7 2736 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UC517964  Lomatium marginatum var. purpureum John Thomas Howell 1931-4-3 6148 Napa Butts Valley Rd. to Middletown 5 mi. from Aetna Springs Comment
  UC763126  Lomatium marginatum var. purpureum R. F. Hoover 1938-6-8 3537 Napa canyon of s. fork of Butts Creek Comment
  UC963883  Lomatium marginatum var. purpureum Milo S. Baker 1931-4-2 5126 Napa along road to Middletown seven mi from Pope Valley Store Comment
  UCD160637  Lomatium marginatum var. purpureum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8729 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  UCD127712  Lomatium repostum Robert E. Preston 1987-6-13 559 Napa Snell Peak. 365 Comment
  JEPS106727  Lonicera interrupta Jake Ruygt 1979-6-3 676 Napa Oat Hill Mine Rd. north near Kidd Canyon 563 Comment
  HSC37206  Lotus humistratus Lon Hall 1975-5-3 328 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  UC527837  Lotus micranthus Ira L. Wiggins 1933-6-3 6722 Lake 2 mi e Oat Hill Mine Comment
  UCD161306  Lupinus bicolor Jake Ruygt 1979-4-6 480 Napa 0.3 miles east of Butts Canyon Road on Snell Valley Road. (Coordinates estimated by label maker at UC Davis). 188 Comment
  HSC71538  Lupinus densiflorus var. aureus J. P. Smith, J. O. Sawyer 1970-5-17 3790 Napa 9 mi. N of Pope Valley Comment
Read comments
Jun 12 2012
  CAS-BOT-BC202215  Lupinus sericatus Ira L. Wiggins 1933-6-3 6737 Lake Along road across canyon from Oat Hill Mine Comment
  CAS-BOT-BC343685  Madia elegans John Thomas Howell 1930-10-19 5625 Lake Five miles from Aetna Springs on Butts Canyon road to Middletown, near Napa-Lake Co. line Comment
  HSC81602  Madia exigua Thomas W. Nelson, Jane P. Nelson 1980-5-3 5146 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  SD241763  Madia nutans Dean Wm. Taylor 1998-6-3 16459 Lake North Coast Ranges. Unnamed road 0.7 miles N Napa County line, ca. 1.5 mile N of Oat Hill. 548 Comment
  CAS-BOT-BC347428  Malacothrix floccifera H. D. Ripley; R. C. Barneby 1945-6-21 6932 Lake 10 miles SE of Middletown 243 Comment
  CAS-BOT-BC347429  Malacothrix floccifera D. E. Breedlove 1980-6-29 44819 Lake Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  CAS-BOT-BC347515  Malacothrix floccifera R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6677 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  HSC81867  Malacothrix floccifera Thomas W. Nelson, Jane P. Nelson 1980-5-3 5141 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  JEPS129034  Malacothrix floccifera Jake Ruygt 2016-5-14 6255 Napa Near south base of Snell Peak. Aetna Springs 7.5' Quad. Comment
  SEINET6413448  Malacothrix floccifera R. Spellenberg 2014-5-20 14816 Napa Butts Canyon Road 12.5 km SE of Middletown. 320 Comment
  UC527941  Malacothrix floccifera R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6677 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  UCD160588  Malacothrix floccifera Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8704 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 223 Comment
  CAS-BOT-BC71095  Marsilea vestita Peter H. Raven 1954-9-1 8099 Lake Strand of Detert Reservoir, 5.8 mi. from Middletown on Butts Canyon road Comment
  JEPS76086  Melica californica W. L. Jepson 1938-5-22 18819 Napa Pope Valley; Limekiln Creek Canyon Comment
  POM357026  Melica californica Milo S. Baker 1948-5-9 12024 Lake Roadside well along toward Black Oak Villa from Middletown. Comment
  UCD160734  Melica californica Ellen Dean 2015-5-23 8786 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  GH360442  Melica torreyana W. L. Jepson 1938-5-22 18813 Unknown Pope Valley, Limekiln Creek Canyon. Comment
  HSC35402  Melica torreyana Dryden 1975-5-3 155 Lake 8.7 mi. E of State Rte. 29, along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  JEPS76084  Melica torreyana W. L. Jepson 1938-5-22 18813 Napa Pope Valley; Limekiln Creek Canyon Comment
  UCD160600  Melica torreyana Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8716 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 251 Comment
  UCD160727  Melica torreyana Ellen Dean 2015-5-23 8779 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  JEPS42861  Mentzelia laevicaulis var. laevicaulis John Thomas Howell 1927-8-24 3048 Napa sw Walter's Springs (near Pope Valley Creek); Napa Range Comment
  UC1282768  Mentzelia micrantha J. R. Sweeney 1923-6-15 964 Lake Black Oak Villa Comment
  HSC35076  Mimulus aurantiacus var. aurantiacus Pamela Bruce 1975-5-3 19 Lake 8.7 mi. (14.5 km) E of S.R. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC37207  Mimulus guttatus Lon Hall 1975-5-3 330 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  OBI9446  Mimulus guttatus R. L. Hoover 1968-4-20 59 Napa NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn Rds Comment
  SEINET4678007  Mimulus guttatus John S. Palmer 1975-5-3 318 Lake 8.7 miles east of State Route 29 along Butt's Canyon Creek on Butt's Canyon Road.; 0 549 Comment
  JEPS101495  Mimulus layneae Dean W. Taylor 1998-6-3 16461 Lake unnamed rd 0.7 miles N Napa County line, ca. 1.5 mile N of Oat Hill 548 Comment
  JEPS33727  Mimulus layneae D. E. Breedlove 1963-5-29 5081 Napa 8 mi n Pope Valley Comment
  JEPS86945  Mimulus layneae David M. Thompson 1986-6-20 517 Lake 1.8 mi n Snell Canyon Road (along Butts Canyon Road) 245 Comment
  UC527936  Mimulus layneae R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6681 Napa 10 mi from Howell Mt.; Butt's Canyon Comment
  UCD160648  Mimulus layneae Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8734 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  UC1282716  Mimulus microphyllus J. R. Sweeney 1953-5-8 999 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line on Pope Valley road); Butts Canyon 243 Comment
  UCD160601  Mimulus microphyllus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8717 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 251 Comment
  HSC34578  Mimulus nudatus Robert M. Specht 1975-5-3 163 Lake 8.7 mi E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC35371  Mimulus nudatus Ron Ralston 1975-5-3 23 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Road 549 Comment
  HSC81975  Mimulus nudatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5154 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  JEPS101493  Mimulus nudatus Dean W. Taylor 1998-5-20 16445 Napa Butts Canyon, serpentine slopes ca. 0.5 mi E of Butts Canyon Rd from a point 0.6 miles up from mouth 335 Comment
  JEPS110597  Mimulus nudatus Jake Ruygt 1995-6-17 3507 Napa Butts Canyon Road; about 100 yds up slope. 307 Comment
  JEPS11150  Mimulus nudatus R. F. Hoover 1938-6-8 3544 Lake Butts Canyon Comment
  JEPS11152  Mimulus nudatus R. F. Hoover 1941-4-26 4928 Napa summit between Pope Valley Butts Creek Comment
  JEPS16169  Mimulus nudatus Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4141 Lake n Black Oak Villa (in tributary to Butts Creek, along Butts Canyon Road, just n of Napa-Lake County line) 259 Comment
  JEPS82744  Mimulus nudatus L. R. Heckard and J. C. Hickman 1984-4-6 6148 Napa se Lake County line (Butts Canyon road); Butts Creek Comment
  OBI9451  Mimulus nudatus Rimo Bacigalupi, J. R. Sweeney 1953-5-26 4141 Lake In stream bed of living tributary to Butts Crk, along Butts Cyn rd, N of Black Oak Villa nad just N of Napa-Lake County line, in Lake County 259 Comment
  RSA309394  Mimulus nudatus Robert F. Hoover 1941-4-26 4928 Napa Summit between Pope Valley and Butts Creek Comment
  UC1731235  Mimulus nudatus Dean W. Taylor 1998-6-18 16674 Napa small side canyon 0.5 mi n of mouth into Pope Valley Butts Canyon; NCoRI 289 Comment
  UCD160593  Mimulus nudatus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8709 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). Rocky Creek Bed 251 Comment
  UCD160720  Mimulus nudatus Ellen Dean 2015-5-23 8772 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  UCD164589  Mimulus nudatus A. Amezcua 1995-4-29 2 Napa Along side of Butts Canyon Road, 500m south of Snell Valley Road. 400 Comment
  UCD167090  Mimulus nudatus Jake Ruygt 2015-3-7 6030 Napa South of Snell Peak. 305 Comment
  RSA129900  Mimulus tricolor Peter H. Raven 1951-5-26 2877 Napa Butts Canyon. 305 Comment
  CHSC22985  Minuartia californica Robert A. Schlising; Greg Bos 1963-3-30 2471 Lake Coast Ranges. At Lake Detert, along Butts Canyon Road. Comment
  JEPS106745  Minuartia californica Jake Ruygt 1978-3-12 242 Napa .8 miles northeast of Buuts Canyon Rd. on Snell Valley Rd. 185 Comment
  UCSC010460  Minuartia californica Dylan M. Neubauer, Tim Forsell 2016-4-1 609 Napa (NCoRI) just east of Butts Canyon Road, 2.49 air-miles sse Snell Peak 329 Comment
  CAS-BOT-BC388653  Minuartia douglasii R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6711 Lake Meadow on Pope Valley - Middletown road, 3 mi. NW. of Napa - Lake county line Comment
  HSC35412  Minuartia douglasii Scott M. Kruse 1975-5-3 19 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  RSA424718  Minuartia douglasii Aaron Liston, M. A. Blumler 1987-4-25 663 -1 Lake Butts Canyon Road, ca. 6 miles S of Hwy 29. 0.4 miles SE of Guenoc Winery entrance. Comment
  UC527946  Minuartia douglasii R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6711 Lake 3 mi w Napa-Lake county line (on Pope Valley-Middletown road) Comment
  UCD160645  Minuartia douglasii Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8732 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  CAS-BOT-BC220690  Monardella viridis Elizabeth McClintock 1952-8-31 52 -602 Napa About 4 miles north of Aetna Springs, in Butts Canyon Comment
  CHSC68015  Monardella viridis Jack Guggolz; Betty Guggolz 1992-7-25 1332 Sonoma Ca. 0.6 mi SSW of Bradford Mountain, 4.5 mi S of Geyserville. 292 Comment
  UC1282709  Monardella viridis J. R. Sweeney 1953-5-8 1009 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line on Pope Valley road); Butts Canyon 243 Comment
  UCD160594  Monardella viridis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8710 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 251 Comment
  UCD160634  Monardella viridis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8726 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 237 Comment
  UCD160724  Monardella viridis Ellen Dean 2015-5-23 8776 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 211 Comment
  UCD160745  Monardella viridis Ellen Dean 2015-5-23 8797 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 243 Comment
  UCD167097  Monardella viridis Jake Ruygt 2015-6-13 6129 Napa Fernandes - Snell Peak, Land Trust. 381 Comment
  GH385256  Navarretia cotulifolia H. L. Mason 1935-4-30 7223 Unknown North of Aetna Springs near Napa-Lake county line, inner North Coast Range Comment
  UC963810  Navarretia cotulifolia H. L. Mason 1933-4-30 7223 Napa n of Aetna Springs (near Napa-Lake county line); Inner North Coast Range Comment
  JEPS101658  Navarretia divaricata subsp. vividior Dean W. Taylor 1998-6-3 16462 Lake unnamed rd 0.7 miles N Napa County line, ca. 1.5 mile N of Oat Hill 548 Comment
  UC1282743  Navarretia intertexta J. R. Sweeney 1953-5-18 1028 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line on Pope Valley road); Butts Canyon 243 Comment
  UC971990  Navarretia intertexta Herbert L. Mason 1952-6-15 14299 Lake 9 mi s Middletown; Butts Canyon Comment
  UC1178928  Navarretia mellita Herbert L. Mason 1953-6-8 14523 Lake Black Oak Villa Butts Canyon Comment
  SEINET5642388  Navarretia paradoxinota Leigh A. Johnson, David Gowen; Mark E. Mort 2009-5-27 09 -021 Napa In depressions along southeast side of Snell road within 50 east yards of jct. with Butts Canyon Road. Serpentine influenced soils. 180 Comment
  SEINET5642395  Navarretia paradoxinota Leigh A. Johnson, David Gowen 2009-5-30 09 -053 Lake North of Butts Caynon Road, 7.9 miles east of Middle Town, adjacent to fence. 311 Comment
  UC1282742  Navarretia pubescens J. R. Sweeney 1953-5-18 1029 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line on Pope Valley road); Butts Canyon 243 Comment
  JEPS106580  Nemacladus montanus Jake Ruygt 1995-6-17 3500 Napa SE corner of Butts Canyon Road at Snell Valley Road 225 Comment
  UCD160652  Nemacladus montanus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8738 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD167166  Nemacladus montanus Jake Ruygt 2015-4-20 6072 Napa Fernandes/ Land Trust, Snell Peak area. 327 Comment
  UC1282735  Nemophila menziesii J. R. Sweeney 1952-5-2 745 Lake 0.4 mi se Black Oak Villa (in Butts Canyon, 1.1 mi from Lake-Napa County Line on Pope Valley Road); se of Black Oak Villa in Butts Canyon 243 Comment
  HSC35404  Nuttallanthus texanus J. M. Sauser 1975-5-3 21 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  CAS-BOT-BC316820  Packera clevelandii Dennis E. Breedlove 1980-6-29 44832 Lake Butts canyon Road 5-8 miles S of Middletown Comment
  CAS-BOT-BC316822  Packera clevelandii H. D. Ripley; R. C. Barneby 20 June(?) anno 1945 6910 Lake 8 miles SE of Middletown Comment
  CAS-BOT-BC316824  Packera clevelandii Harvey Monroe Hall 1923-10-14 11943 Napa 8 miles n. of Pope Valley. Along a small stream. Comment
  CAS-BOT-BC316826  Packera clevelandii John Thomas Howell 1930-10-19 5620 Napa 3 miles from Aetna Springs on Butts Canyon road to Middletown. Comment
  CAS-BOT-BC316827  Packera clevelandii Robert Francis Hoover 1966-8-23 9937 Napa Butts canyon, near Lake County line Comment
  GH427648  Packera clevelandii D. E. Breedlove 1980-6-29 44832 Unknown Butts Canyon Road, 5-8 miles S of Middletown 274 Comment
  JEPS23646  Packera clevelandii W. L. Jepson 1938-10-1 19064 Lake Guenoc Valley Comment
  JEPS85497  Packera clevelandii L. R. Heckard and T. I. Chuang 1968-6-18 1946 Lake along creek 10 mi se Middletown; Butts Creek Comment
  OBI15512  Packera clevelandii Robert F. Hoover 1966-8-23 9937 Napa Butts Cyn, near Lake co. line Comment
  UC221396  Packera clevelandii H. M. Hall 1923-10-14 11943 Napa 8 mi n Pope Valley Comment
  CAS-BOT-BC316915  Packera greenei Peter Raven 1964-5-9 19039 Lake Butts Canyon 9.5 miles south of Middletown. Comment
  CAS-BOT-BC316916  Packera greenei Dennis E. Breedlove 1963-5-29 5095 Lake 9.5 miles S. of Middletown on Butts Canyon Road. Comment
  CAS-BOT-BC316937  Packera greenei R. C. Bacigalupi; R. S. Ferris; I. L. Wiggins 1933-6-2 6683 Napa Butt's Canyon, 10 mi. N of Howell, Mtn. Comment
  CAS-BOT-BC316939  Packera greenei Pierson Durbrow 1925-5-19 s.n. Napa Bucks Canyon, north of Aetna Springs Comment
  CAS-BOT-BC316943  Packera greenei Robert Francis Hoover 1966-5-28 9878 Napa just south of summit on Butts Canyon Road from Pope Valley Comment
  HSC46346  Packera greenei J. P. Smith, J. O. Sawyer 1970-5-17 3781 Napa 8 mi. N of Pope Valley Comment
  JEPS89345  Packera greenei Dean Wm. Taylor with Glenn L. Clifton 1990-5-25 10806 Napa Butts Canyon Rd. near junction w/ Snell Rd.; North Coast Ranges 204 Comment
  OBI15493  Packera greenei Robert F. Hoover 1966-5-28 9878 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  UC1318339  Packera greenei J. R. Sweeney 1952-5-2 766 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line, on Pope Valley road); Butts Canyon 243 Comment
  UCD160746  Packera greenei Ellen Dean 2015-5-23 8798 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 243 Comment
  CAS-BOT-BC253677  Panicum capillare R. F. Hoover 1966-8-23 9933 Napa Butts Canyon near Lake County line Comment
  OBI22057  Panicum capillare Robert F. Hoover 1966-8-23 9933 Napa Butts Cyn near Lake Co line Comment
  UC1282699  Pedicularis densiflora J. R. Sweeney 1953-3-7 971 Lake 0.4 mi se of Black Oak Villa (in Butts Canyon, 1.1 mi from Lake-Napa county line on Pope Valley road) 243 Comment
  JEPS104483  Perideridia oregana Jake Ruygt 1998-7-6 4078 Napa SW of Snell Peak. 390 Comment
  JEPS129109  Perideridia oregana Jake Ruygt 2015-6-13 6128 Napa Fernandes - Snell Peak, Land Trust. Aetna Springs 7.5' Quad. Comment
  UC917309  Petrorhagia dubia R. L. Smith 1948-5-8 Napa 6 mi N of Aetna Springs, Pope Valley Comment
  UCD98389  Petrorhagia dubia R. L. Smith 1948-5-8 s.n. Napa 6 mlies north of Aetna Springs, Pope Valley. Comment
  CAS-BOT-BC134981  Phoradendron bolleanum John F. Emmel 1971-4-17 342 Napa Butts Creek, 0.4 miles NW of junction Butts Canyon and Snell Valley roads 198 Comment
  HSC71539  Pickeringia montana J. P. Smith, J. O. Sawyer 1970-5-17 3782 Napa 8 mi. N of Pope Valley Comment
  JEPS120365  Pinus lambertiana Jake Ruygt 1981-4-25 1001 Napa Oat Hill hear Lake County Line. Detert Reservoir 7.5' Quad. Comment
  JEPS120444  Piperia transversa Jake Ruygt 1995-6-17 3503 Napa Southeast corner of Butts Canyon Road at Snell Valley Rd. Comment
  HSC81992  Plagiobothrys cognatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5155 Napa W side of Butts Canyon Rd. at junction with private road 244 Comment
  JEPS129161  Plagiobothrys greenei Jake Ruygt 2015-3-28 6062 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  UCD167162  Plagiobothrys tenellus Jake Ruygt 2015-3-28 6059 Napa Upper Bohn Lake. 351 Comment
  HSC81864  Plantago elongata Thomas W. Nelson, Jane Nelson 1980-5-3 5148 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  HSC35408  Plantago erecta A. M. Montalvo 1975-5-3 223 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  UC1155250  Poa howellii J. R. Sweeney 1952-5-5 712 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line on Pope Valley rd); Butts Canyon 243 Comment
  CDA10844  Poa kelloggii G. F. Hrusa, G. L. Stebbins 1994-4-18 11781 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 213 Comment
  CDA10845  Poa kelloggii G. F. Hrusa, G. L. Stebbins 1994-4-18 11782 A Napa North Coast Biodiversity Arena; Pope Valley. Along upper Swartz Creek N tributary (James Cr.). 213 Comment
  CHSC59375  Poa secunda subsp. secunda Frederic Hrusa 1988-4-16 5541 Lake Approximately 1/4 mile up Snell Valley Road from junction w/ Butts Canyon Road. 213 Comment
  RSA128671  Pogogyne douglasii Peter H. Raven 1951-5-26 2880 Napa Butts Canyon. 305 Comment
  UC1177075  Pogogyne douglasii Peter H. Raven 1951-5-26 2880 Napa Butts Canyon 304 Comment
  UC1282770  Polygala californica J. R. Sweeney 1952-5-2 772 Lake 0.4 mi se of Black Oak Villa in Butts Canyon (1.1 mi from Lake-Napa county line on Pope Valley Road) 243 Comment
  UCD160732  Polygala californica Ellen Dean 2015-5-23 8784 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  JEPS96713  Polygonum parryi Dean W. Taylor 1998-6-3 16457 Lake unnamed rd 0.7 miles N Napa County line, ca. 1.5 mile N of Oat Hill 548 Comment
  CAS-BOT-BC421020  Polygonum spergulariiforme H. D. Ripley; R. C. Barneby 1945-6-21 6931 Lake 10 miles SE of Middletown 243 Comment
  JEPS106923  Psilocarphus tenellus Jake Ruygt 1981-4-25 1004 Napa Table Mountain 762 Comment
  UC1318338  Psilocarphus tenellus J. R. Sweeney 1952-5-2 751 Lake 0.4 mi se Blakc Oak Villa (1.1 mi from Lake-Napa County line on Pope Valley road); Butts Canyon 243 Comment
  CAS-BOT-BC61808  Quercus agrifolia John Thomas Howell 1930-10-19 5617 Napa Canyon bottom, 3 miles from Aetna Springs on Butts canyon road to Middletown Comment
  JEPS37373  Quercus agrifolia W. L. Jepson 1930-10-19 15694 Napa Butts Canyon Comment
  JEPS37374  Quercus agrifolia W. L. Jepson 1930-10-19 15695 Napa Butts Canyon Comment
  UCD148747  Quercus berberidifolia Jake Ruygt 2000-10-9 4287 Napa Napa County; south of Snell Peak on ridge. 396 Comment
  UCD45242  Quercus berberidifolia J. M. Tucker; G. L. Stebbins 1950-11-5 2004 Napa California, Napa Co.; 11.5 mi. northwest of Monticello, beside road to Pope Valley; shrubs on steep hillside. (Sheet No. 1. Each twig from a separate shrub.) Comment
  CAS-BOT-BC85934  Quercus douglasii H. E. McMinn 1922-8-3 365 Napa near Lake Co. line between Aetna Springs and Middleton Comment
  CAS-BOT-BC79834  Quercus durata John Thomas Howell 1930-10-19 5615 Napa Rocky Canyon 3 mi from Aetna Springs on Butts Canyon road to Middletwon Comment
  CAS-BOT-BC79848  Quercus durata R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6680 Napa Butts Canyon, 10 mi N of Howell Mt. Comment
  CHSC20703  Quercus durata Robert A. Schlising 1962-5-4 2228 Lake .9 mi N of county line along Butte Canyon Road. Comment
  JEPS37351  Quercus durata W. L. Jepson 1930-10-19 15693 Napa Butts Canyon Comment
  SEINET2066425 Image available Quercus durata Royal D. Suttkus 1967-6-24 67 -272 Lake 10.3 miles N of Pope Valley. Comment
  SEINET265716  Quercus durata Royal D. Suttkus 1967-6-24 67- 27 -2 Lake 10.3 miles north of Pope Valley. Comment
  UC527836  Quercus durata R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6680 Napa 10 mi n Howell Mt.; Butts Canyon Comment
  HSC35116  Quercus durata var. durata A. M. Montalvo 1975-5-3 222 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC35117  Quercus durata var. durata A. M. Montalvo 1975-5-3 222 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC71371  Quercus durata var. durata J. P. Smith, J. O. Sawyer 1970-5-17 3784 Napa 8 mi. N of Pope Valley Comment
  SEINET2066834 Image available Quercus kelloggii Royal D. Suttkus 1967-6-26 67 -308 Napa Clearly Reserves, 7.2 mi NW of Pope Valley Comment
  JEPS116538  Quercus wislizeni Jake Ruygt 1979-4-6 483 a Napa 0.3 miles east of Butts Canyon Road on Snell Valley Road. 7.5' Aetna Springs Quad. Comment
  UC1282803  Ranunculus occidentalis J. R. Sweeney 1952-5-23 739 Lake 0.4 mi se Black Oak Villa (1.1 from Lake-Napa Co. line on Pope Valley Rd.); Butts Canyon 243 Comment
  UCD160730  Rhamnus ilicifolia Ellen Dean 2015-5-23 8782 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  UC1193388  Rhamnus tomentella subsp. tomentella P. Zinke 1951-5-24 222 Lake 1 mi e Blackoak Villa (at Lake County line) 548 Comment
  CAS-BOT-BC199714  Rhododendron occidentale Wayne Roderick 1967-5-20 s.n. Lake Butts Canyon Road, ca. 10 miles s.e. of Middletown, Lake-Napa county line 457 Comment
  CAS-BOT-BC199720  Rhododendron occidentale R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6675 Napa Butt's [Butts] Canyon, 10 mi. N. of Howell Mt. Comment
  CAS-BOT-BC199721  Rhododendron occidentale H. E. McMinn 390 Napa About 6 mi. above Aetna Springs Comment
  CAS-BOT-BC199723  Rhododendron occidentale H. E. McMinn 297 Napa About 6 mi. above Aetna Comment
  CAS-BOT-BC56650  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 8 Napa 0.5 miles N. of Napa/Lake Cos. Line, Butts Creek SW of Butts Canyon Rd. Comment
  CHSC20600  Rhododendron occidentale Robert A. Schlising; Botany 222 1962-5-4 2226 Napa Coast Ranges. 1.5 mi S Lake Co line on Butts Canyon Rd. Comment
  GH363103  Rhododendron occidentale R. F. Hoover 1941-4-26 4927 Unknown Canyon north of Pope Valley on road to Butts Canyon Comment
  JEPS106405  Rhododendron occidentale Jake Ruygt 1976-4-23 25 Napa 3.6 miles north of Ink Grade on Butts Canyon Rd. 243 Comment
  JEPS58748  Rhododendron occidentale W. L. Jepson 1930-10-19 15697 Napa Butts Canyon, near Napa Co. Bottom of Canyon Gulch. Comment
  JEPS58750  Rhododendron occidentale W. L. Jepson 1897-7-13 14672 Napa Butts Canyon, near Napa Co. Comment
  OBI14447  Rhododendron occidentale R. L. Hoover 1968-4-20 62 Lake On Butts Cyn rd at Napa-Lake County boundary, on E side of road Comment
  UC527847  Rhododendron occidentale R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6675 Napa 10 mi n of Howell Mountain; Butts Canyon Comment
  UC763158  Rhododendron occidentale R. F. Hoover 1941-4-26 4927 Napa Canyon n of Pope Valley (on road to Butts Canyon) Comment
  UCD160627  Rhododendron occidentale Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8719 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 238 Comment
  UCD164590  Rhododendron occidentale A. Amezcua 1995-4-29 3 Napa Along the side of Butts Canyon Road, 500 m south of Snell Valley Road. 400 Comment
  UCD20689  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 1 a and b Napa Napa County, NW side of Butts Canyon Road/ Shell Valley Road, Napa 00.25 marker, SE side of Butts Creek, 10-15' from water, submerged to 1.5' at flood levels. Comment
  UCD20690  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 2 Napa Napa County, Butts Canyon Rd./ Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., NE side of road, S bank, 50' SE of ranch driveway at water's edge, plant submerged to 1.5' at flood levels. Comment
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Sep 15 2007
  UCD20691  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 3 Napa Napa County, NE side of Butts Canyon Rd. along NE side of Butts Creek, at Napa 19.75 marker. In 5' of low water, crowns 1-2' above low water, submerged 1.5-3' at flood levels. Comment
  UCD20692  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 4 Napa Napa County, NE side of Butts Canyon Rd. along SW and NE side of Butts Creek, 250 ft. east of Napa, 20.14 marker. Bulk of population is 330 ft. west of Napa 20.14 marker, continuous to Lake Co. Plants within 20' of water. Comment
  UCD20693  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 5 Napa Napa County, Butts Canyon Rd. along Butts Creek, 100' NW of 20.25 marker, NE side of creek at the mouth and 50' up a wash, on edge of rock bed. Comment
  UCD20694  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 6 Napa Napa County, Butts County Rd. along both sides of Butts Creek. Lake Co. line to 500' SE of Co. line, predominately on SW bank, some on NE bank. Comment
  UCD20695  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 Napa Napa County, Butts Canyon Rd. along both sides of Butts Creek. Lake Co. line to 500' SE of Co. line, predominately on SW bank, a few on NE bank. Comment
  UCD20696  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 a Lake Lake County, Butts Canyon Rd along both sides of Butts Creek. B6 population extension (0.8 miles N) into Lake Co. to where stream crosses road to W, none found North of this point. Comment
  UCD20697  Rhododendron occidentale A. T. Leiser 1984-9-23 BC 7 Napa Napa County, Butts Canyon Rd/ Pope Valley Rd. near Butts Creek. NE side of Pope Valley Rd. from Shell Valley Rd S. along Butts Canyon Rd (Pope Valley Rd.) from 0.1 miles to 0.8 miles S., both sides of Butts Creek, but upstream SW side. Comment
  UCD20698  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 8 Napa Border of Lake County. 0.5 miles N. of Napa/Lake Cos. Line, Butts Creek SW of Butts Canyon Rd. Population extends .5 mile up drainage. Comment
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Sep 28 2012
  UCD22663  Rhododendron occidentale Brian W. Boose 1990-4-28 3 Lake Butts Canyon Rd. (Butts Canyon). Comment
  UCR148773  Rhododendron occidentale A. T. Leiser 1985-6-3 BC 6 a Napa Butts Canyon Rd. along both sides of Butts Creek 217 Comment
  RSA672063  Rhododendron occidentale var. occidentale A. T. Leiser 1984-9-23 BC- 2 Napa Butts Canyon Rd./Shell Valley Rd. along Butts Creek, Napa 19.25 marker. Off Pope Valley Rd., NE side of road, S bank. Comment
  CHSC21426  Rhus aromatica Robert A. Schlising; Botany 222 1962-5-4 2227 Napa 1.5 mi S Lake Co line on Butts Canyon Rd. Comment
  CAS-BOT-BC363004  Rigiopappus leptocladus Ira L. Wiggins 1933-6-3 6730 Lake Hillside 2 mi. E. of Oat Hill Mine, southeastern Lake County Comment
  HSC81863  Rigiopappus leptocladus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5149 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD103898  Ruta chalepensis Collector Unknown 2011-2-1 s.n. Lake Near Mt. St. Helena, Oat Hill Mine outside of Middletown. Chinese section of mining camp. 487 Comment
  A382421  Salix breweri N. F. Bracelin 1931-4-17 253 Unknown Butt Canyon, between Pope Springs and Aetna Valley Comment
  CAS-BOT-BC102876  Salix breweri John Thomas Howell 1931-4-3 6149 A Lake Butts Valley Road to Middletown, 5 miles from Aetna Springs Comment
  CAS-BOT-BC102877  Salix breweri John Thomas Howell 1931-4-3 6149 B Lake Butts Valley Road to Middletown, 5 miles from Aetna Springs Comment
  CAS-BOT-BC108660  Salix breweri David D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  CAS-BOT-BC108662  Salix breweri Peter H. Raven 1951-5-26 s.n. Napa Butts Canyon [Canon] Creek Comment
  CAS-BOT-BC108664  Salix breweri John Thomas Howell 1930-10-19 5629 Napa Stream bottom, 5 miles from Aetna Springs on Butts Canyon road to Middletown, near Napa-Lake Co. line. Comment
  CAS-BOT-BC108665  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Canyon, between Pope Springs and Aetna Valley 375 Comment
  CAS-BOT-BC108666  Salix breweri John Thomas Howell 1931-4-3 6149 Napa Butts Valley Road to Middletown, 5 miles from Aetna Springs Comment
  CAS-BOT-BC108667  Salix breweri John Thomas Howell 1930-10-19 5629 Napa Stream bottom, 5 miles from Aetna Springs on Butts Canyon Road to Middletown. Comment
  CAS-BOT-BC108670  Salix breweri Mrs. H. P. Bracelin 1931-5-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley 375 Comment
  CAS-BOT-BC108671  Salix breweri David D. Keck 1931-5-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek, northern Napa County Comment
  GH382403  Salix breweri D. D. Keck 1931-4-3 1075 Unknown 5 miles NE. of Aetna Springs, along Butts Creek Comment
  GH382417  Salix breweri N. F. Bracelin 1931-4-17 253 Unknown Butt Canyon, between Pope Springs and Aetna Valley Comment
  GH382420  Salix breweri N. F. Bracelin 1931-4-17 253 a Unknown Butt Canyon, between Pope Springs and Aetna Valley Comment
  HSC20138  Salix breweri Greg Bos 1963-3-30 61 Napa 11 mi. S of Middletown on Butts Canyon Rd. 274 Comment
  JEPS15364  Salix breweri W. L. Jepson 1938-6-8 18902 Napa Butte Canyon; bottom Comment
  JEPS15365  Salix breweri W. L. Jepson 1938-10-1 19065 Lake Butts Creek Butts Canyon (s Lake Co.) Comment
  JEPS38420  Salix breweri W. L. Jepson 1930-10-19 15704 Napa Butts Canyon Comment
  LA208563  Salix breweri Mrs. H. P. Bracelin; 1931-4-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley 300.0 Comment
  LA208565  Salix breweri David D. Keck; 1931-4-3 1075 Napa 5 mi. NE of Aetna Springs, along Butts Creek Comment
  POM180777  Salix breweri J. T. Howell 1930-10-19 5629 Napa Five miles from Aetna Springs on Butts Canyon road to Middletown Comment
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Mar 6 2011
  POM219054  Salix breweri H. P. Bracelin 1931-4-17 253 Napa Butt Canyon. Between Pope Springs and Aetna Valley. 300 Comment
  RSA181974  Salix breweri W. L. Jepson 1930-10-19 15704 Napa Butts Canyon. Comment
  RSA202411  Salix breweri Edward L Smith 1967-5-7 s.n. Napa Butts Creek, below small reservoir at upper (NW) end of Butts canyon where road from Pope Valley enters the canyon. 6.9 miles NW of Pope Valley. 213 Comment
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Sep 28 2012
  RSA3282  Salix breweri D. D. Keck 1931-4-3 1075 Napa 5 miles NE of Aetna Springs, along Butts Creek. Comment
  SBBG28800  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn between Pope Springs and Aetna Valley 91 Comment
  SBBG34174  Salix breweri E. L. Smith 1967-5-7 Napa Butts Crk, below small reservoir at NW end of cyn where rd from Pope Valley enters Butts Cyn, 6.9 mi NW of Pope Valley Comment
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Sep 28 2012
  SBBG58851  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butts Cyn, between Pope Springs and Aetna Valley 91 Comment
  SD958  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butt Canyon, between Pope Springs and Aetna Valley, glade on wooded hillside 299 Comment
  SJSU186  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa Butt Canyon between Pope Springs & Aetna Valley 335 Comment
  UC1010435  Salix breweri Milo S. Baker 1931-4-2 5127 Napa on Middletown Rd. 7 mi from Pope Val. Store Comment
  UC457172  Salix breweri David D. Keck 1931-4-3 1075 Napa along creek 5 mi ne Aetna Springs; Butts Creek Comment
  UC762333  Salix breweri R. F. Hoover 1938-9-23 3864 Napa Canyon of south fork of Butts Creek Comment
  UCR64474  Salix breweri Mrs. H. P. Bracelin 1931-4-17 253 Napa North Coast Ranges, Butts Canyon, between Pope Springs and Aetna Valley 375 Comment
  HSC34553  Salix sitchensis Lon Hall 1975-5-3 333 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  UC1282787  Sanguisorba minor subsp. muricata J. R. Sweeney 1952-5-2 747 Lake on Pope Valley road 1.1 mi from Lake-Napa county line (0.4 mi se of Black Oak Villa in Butts Canyon); Butts Canyon 243 Comment
  GH400979  Scutellaria austiniae D. E. Breedlove 1980-6-29 44825 Unknown Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  UC1282704  Scutellaria siphocampyloides J. R. Sweeney 1953-5-26 1060 Lake 0.4 mi se of Black Oak Villa (in Butts Canyon, 1.1 mi from Lake-Napa county line on Pope Valley Road); Butts Canyon 243 Comment
  UC1549226  Scutellaria siphocampyloides Richard Olmstead 1984-6-25 574 Lake 2 mi n of Napa County line (8.1 mi s of jct with Hwy 29 at Middletown, along Butts Canyon Road); Butts Canyon Road 304 Comment
  UC1549231  Scutellaria siphocampyloides Richard Olmstead 1983-6-24 367 Lake 2 mi n of the Napa County line (s of Middletown on Butts Canyon Road) 304 Comment
  UC1549232  Scutellaria siphocampyloides Richard Olmstead 1983-6-24 366 Lake 1 mi n of the Napa County line (s of Middletown on Butts Canyon Road) 289 Comment
  JEPS112645  Scutellaria tuberosa Jake Ruygt 1979-4-6 483 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 219 Comment
  UC1282706  Scutellaria tuberosa J. R. Sweeney 1952-5-1 716 Lake 0.4 mi se of Black Oak Villa (in Butts Canyon, 1.1 mi from Lake-Napa County line on Pope Valley Road); Butts Canyon 243 Comment
  RSA176564  Senecio greenei D. E. Breedlove 1963-5-29 5095 Lake 9.5 miles south of Middletown on Butts Canyon Road. Comment
  RSA473138  Senecio greenei Robert Gustafson, Don Reynolds 1983-6-7 2737 Napa Butts Canyon Road, about 2 miles north of the junction with Aetna Springs Road. Comment
  UCD160750  Sidalcea Ellen Dean 2015-5-23 8802 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 207 Comment
  CAS-BOT-BC384448  Silene antirrhina Ira L. Wiggins 1933-6-3 6726 Lake 2 mi. E. of Oat Hill Mine Comment
  JEPS106852  Silene californica Jake Ruygt 1980-6-22 942 Napa .1 mile south of Snell Valley Rd. on Butts Canyon Rd. 198 Comment
  JEPS50888  Silene californica W. L. Jepson 1938-5-22 18831 Napa Butts Canyon South Fork Butts Canyon, South Fork Comment
  RSA14164  Silene californica Rimo Bacigalupi, I. L. Wiggins, R. S. Ferris 1933-6-2 6673 Napa 10 miles from Pacific Union College on Howell Mt. - Middletown road. Comment
  UC1282804  Silene californica J. R. Sweeney Lake 0.4 mi se Black Oak Villa (in Butts Canyon, on Pope Valley Road 1.1 mi from Lake-Napa County line, ne facing slope, on 1 yr burn in chaparral on shallow rocky soil); Butts Canyon, se of Black Oak Villa 243 Comment
  UC564022  Silene californica R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6673 Napa on Howell Mt.--Middletown Road 10 mi from Pacific Union College; Howell Mt.--Middletown Road Comment
  CAS-BOT-BC389097  Silene laciniata subsp. californica D. E. Breedlove 1980-6-29 44836 Lake Butts Canyon Road 5-8 miles S of Middletown 274 Comment
  CAS-BOT-BC389184  Silene laciniata subsp. californica R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6673 Napa 10 mi. from Pacific Union College on Howell Mt. - Middletown road Comment
  UCD160671  Silene laciniata subsp. californica Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8744 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  UCSC009030  Silene laciniata subsp. californica Dylan M. Neubauer 2015-4-26 132 Napa (NCoRI) Butts Canyon Rd, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  HSC35420  Sisyrinchium bellum Robert M. Specht 1975-5-3 161 Lake 8.7 mi E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC37212  Sisyrinchium bellum Lon Hall 1975-5-3 331 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC35434  Solanum parishii John S. Palmer 1975-5-3 323 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  CAS-BOT-BC365015  Solidago velutina subsp. californica Peter H. Raven 1954-9-1 8091 Lake Butts Canyon, 7 mi. s. of Middletown Comment
  JEPS32346  Solidago velutina subsp. californica W. L. Jepson 1938-9-24 19025 Napa se Pope Valley (Canyon of James Creek); Canyon of James Creek 304 Comment
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Oct 2 2012
  UC1299293  Solidago velutina subsp. californica Freed W. Hoffman 1947-9-11 1383 Napa Butts Canyon , Butts Canyon (North Coast Ranges) Comment
  UC527958  Stachys ajugoides var. rigida Ira L. Wiggins 1933-6-3 6720 Lake 2 mi e Oat Hill Mine Comment
  JEPS105353  Stachys albens Dean W. Taylor 1994-10-7 14710 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  JEPS112628  Stachys albens Jake Ruygt 1979-6-18 712 Napa corner of Snell Valley Rd. and Butts Can yon Rd. 195 Comment
  JEPS112647  Stachys albens Jake Ruygt 1986-6-28 1851 Napa .4 mile south of Snell Valley Rd. on Butts Canyon Rd. 216 Comment
  UC1282684  Stephanomeria virgata subsp. pleurocarpa J. R. Sweeney 1952-6-22 968 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa county line on Pope Valley road); Butts Canyon 243 Comment
  HSC35396  Stipa cernua Dryden 1975-5-3 158 Lake Butt's Canyon Rd., 8.7 mi E of Hwy. 29 along Butt's Canyon Creek 549 Comment
  UCD163957  Streptanthus James A. Neilson Jr. 1981-6-20 4042 Lake Lake County, Mayacmas Mountains. About one mile east of Detert Reservoir. [Exact location unknown. Coordinates estimated by label maker.] Comment
  CAS-BOT-BC61246  Streptanthus breweri Robert F. Hoover 1938-6-8 3543 Lake Butts Canyon. Comment
  CAS-BOT-BC61247  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just south of summit on Butts Canyon road from Pope Valley. Comment
  GH379994  Streptanthus breweri D. E. Breedlove 1963-5-29 5088 Unknown 8 miles N of Pope Valley Comment
  GH379995  Streptanthus breweri R. F. Hoover 1966-5-28 9879 Unknown Just south of summit on Butts Canyon road from Pope Valley Comment
  GH422003  Streptanthus breweri R. F. Hoover 1938-6-8 3543 Unknown Butts Canyon Comment
  JEPS127895  Streptanthus breweri Adam C. Schneider 2013-5-26 212 Napa Uphill (west) side of road cut on Butts Canyon Road, 1.9 miles south of Snell Valley Rd. Comment
  JEPS129030  Streptanthus breweri Jake Ruygt 2015-6-13 6134 Napa Fernandes-Snell Peak, Land Trust. Aetna Spring 7.5' Quad. Comment
  OBI14930  Streptanthus breweri Robert F. Hoover 1966-5-28 9879 Napa Just S of summit on Butts Cyn rd from Pope Valley Comment
  UC1292770  Streptanthus breweri Freed W. Hoffman 1947-9-11 1069 Napa Butts Canyon North Coast Ranges Comment
  UCD160670  Streptanthus breweri Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8743 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  UCD163949  Streptanthus breweri James A. Neilson Jr. 1981-6-20 4041 Lake Lake County, Mayacmas Mountains. East end of Detert Reservoir. [Exact location unknown. Coordinates estimated by label maker.] Comment
  UCD167681  Streptanthus breweri Collector Unknown 1977-5-26 1 Lake Guenoc Ranch Rd, 0.5 mi on east-northeast transect from Detert Reservoir spillway, 100 yards north of tributary from Detert Reservoir. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167702  Streptanthus breweri W. Robert Powell 1977-4-16 2487 Napa Just east of Butts Canyon Road. 2.5 air miles from Aetna Springs. 4.0 air miles from town of Pope Valley. (Exact location unknown. Coordinates estimated by label maker.) 277 Comment
  JEPS106606  Streptanthus breweri var. breweri Jake Ruygt 1995-6-17 3506 Napa About 1/2 mile south of Snell Valley Rd on Butts Canyon Road 304 Comment
  UC765002  Streptanthus breweri var. breweri R. F. Hoover 1938-6-8 3543 Lake Butts Canyon Comment
  JEPS106609  Streptanthus breweri var. hesperidis Jake Ruygt 1995-6-17 3505 Napa About 1/2 mile south of Snell Valley Rd on Butts Canyon Road 304 Comment
  UC1601634  Streptanthus breweri var. hesperidis Katharine Brandegee Lake Butts Canyon Comment
  UC972157  Streptanthus breweri var. hesperidis Helen K. Sharsmith 1952-6-19 4135 Lake n Detert Reservor (Middletown-Monticello rd); Bucksnort Creek 304 Comment
  GH422088  Streptanthus glandulosus D. E. Breedlove 1963-5-29 5077 Unknown 65 miles N of Pope Valley Comment
  HSC81869  Streptanthus glandulosus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5139 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD160585  Streptanthus glandulosus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8700 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 223 Comment
  UCD160668  Streptanthus glandulosus Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8742 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 233 Comment
  JEPS129170  Streptanthus glandulosus subsp. glandulosus Jake Ruygt 2015-4-20 6075 Napa Fernandes/ Land Trust, Snell Peak area. Aetna Springs 7.5' Quad. Comment
  JEPS30823  Streptanthus glandulosus subsp. glandulosus W. L. Jepson 1938-5-22 18818 Napa Limekiln Creek Canyon Pope Valley (hillside) Comment
  JEPS9195  Streptanthus glandulosus subsp. glandulosus Rimo Bacigalupi with J. R. Sweeney 1953-5-26 4142 Lake n. Black Oak Villa (just n. of Lake-Napa Co. line, along Butts Canyon rd.) 259 Comment
  UCSC009035  Streptanthus glandulosus subsp. glandulosus Dylan M. Neubauer 2015-4-26 137 Napa (NCoRI) Butts Canyon Road, .29 air-mi NW junction w/ Snell Valley Road 200 Comment
  CAS-BOT-BC87324  Streptanthus hesperidis Helen K. Sharsmith 1952-6-19 4135 Lake North of Detert Reservoir, Bucksnort Creek, Middletown-Monticello road. 304 Comment
  CAS-BOT-BC87325  Streptanthus hesperidis Helen K. Sharsmith 1952-6-19 4135 Lake North of Detert Reservoir, Bucksnort Creek, Middletown-Monticello road. 304 Comment
  GH422195  Streptanthus hesperidis H. K. Sharsmith 1952-6-19 4135 Unknown North of Detert Reservoir, Bucksnort Creek, Middletown-Monticello road 304 Comment
  JEPS96908  Streptanthus hesperidis Dean W. Taylor 1998-6-18 16670 Napa Butts Canyon, small side canyon 0.5 mi above (north of) mouth into Pope Valley 289 Comment
  UC1282795  Streptanthus hesperidis J. R. Sweeney 1952-6-15 953 Lake 1 yr burn in canyon 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa Co. line on Pope Valley road, ne facing slope); Butts Canyon 243 Comment
  UCD116022  Streptanthus hesperidis Marc Minno 1981-6-16 s.n. Napa Napa-Lake counties, Butts Canyon. Comment
  UCD160653  Streptanthus hesperidis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8739 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 251 Comment
  UCD167106  Streptanthus hesperidis Jake Ruygt 2015-6-13 6127 Napa Fernandes - Snell Peak, Land Trust. 381 Comment
  JEPS96911  Streptanthus morrisonii Dean W. Taylor 1998-6-23 16690 Napa N flank Twin Peaks, ridge dividing Cedar Canyon & Bateman Cr (ca. 5 air mi W Aetna Springs) 655 Comment
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Apr 14 2012
  UCD160629  Streptanthus morrisonii Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8721 Lake Butts Canyon. Butts Canyon/Guenoc Road, just NW of the Napa County line. South side of the road. Not burned in fire last year (2014). 243 Comment
  CAS-BOT-BC221920  Taeniatherum caput-medusae Peter H. Raven 1951-5-26 2878 Napa Butts Canon [Canyon] 304 Comment
  RSA129898  Taeniatherum caput-medusae P. H. Raven 1951-5-26 2878 Napa Butts Canyon. 305 Comment
  UCD86189  Taeniatherum caput-medusae J. E. Street 1950-6-12 s.n. Lake 10 miles southeast of Middletown. Comment
  JEPS65660  Thermopsis californica var. californica W. L. Jepson 1938-5-22 18832 Napa South Fork Butts Canyon Comment
  CAS-BOT-BC66517  Thysanocarpus curvipes Jim Steele 1980-4-11 44 Napa Pope Valley. Cleary Reserve. 0.25 mile from entrance gate. 365 Comment
  CAS-BOT-BC88431  Thysanocarpus curvipes Ira L. Wiggins 1933-6-3 6723 Lake 2 miles east of Oat Hill Mine. Comment
  HSC35050  Thysanocarpus curvipes Dryden 1975-5-3 161 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC35389  Thysanocarpus curvipes John S. Palmer 1975-5-3 324 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  UC527840  Thysanocarpus curvipes Ira L. Wiggins 1933-6-3 6723 Lake 2 mi e Oat Hill Mine; e of Oat Hill Mine Comment
  OBI77666  Thysanocarpus curvipes subsp. elegans R. L. Hoover 1968-4-20 60 Napa In field NE of jctn of Aetna Springs, Pope Valley, and Butts Cyn rds Comment
  UCD160595  Toxicoscordion fontanum Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8711 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 251 Comment
  UCD139849  Toxicoscordion fremontii R. L. Smith 1948-4-17 s.n. Napa Pope Valley, 5 miles north of Aetna Springs. Comment
  UCD160725  Toxicoscordion micranthum Ellen Dean 2015-5-23 8777 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 219 Comment
  CDA13718  Trichostema laxum G. F. Hrusa, T. D. Wilfred 1997-7-24 14019 Lake North Coast Biodiversity Arena; Middle reaches of Butts Canyon +- 8-10 mi. SE of Middletown. Comment
  JEPS105308  Trichostema laxum Dean W. Taylor 1994-10-7 14711 Napa Butts Canyon Road 1.2 mi S junction Snell Valley Road 304 Comment
  JEPS63143  Trichostema laxum W. L. Jepson 1938-10-1 19063 Lake Butts Canyon, Guenoc Valley Comment
  JEPS63144  Trichostema laxum W. L. Jepson 1938-9-24 19024 Napa canyon of Limekiln Creek, N of Pope Valley 304 Comment
  JEPS63145  Trichostema laxum W. L. Jepson 1930-10-19 15692 Napa 3 1/2 mi N of Aetna Springs (Butts Canyon) Comment
  RSA215773  Trichostema laxum D. D. Keck 1933-7-1 2463 Lake 8 miles southeast of Middletown on road to Butts Creek Canyon. Comment
  UC1282836  Trichostema laxum J. R. Sweeney 1952-6-15 957 Lake 0.4 mi SE of Black Oak Villa (Butts Canyon, 1.1 mi from Lake--Napa county line on Pope Valley road) 243 Comment
  UC1318335  Trichostema laxum J. R. Sweeney 1952-6-15 949 Lake 0.4 mi SE of Black Oak Villa (Butts Canyon, 1.1 mi from Lake--Napa county line on Pope Valley road) 243 Comment
  UC762790  Trichostema laxum R. F. Hoover 1938-6-8 3546 Lake Butts Canyon Comment
  UCD125873  Trichostema laxum G. F. Hrusa; T. D. Wilfred 1997-7-24 14019 Lake Middle reaches of Butts Canyon, ca. 8-10 miles southeast of Middletown. 200 Comment
  HSC35390  Trifolium depauperatum John S. Palmer 1975-5-3 325 Lake 8.7 mi. E of S.R. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC35384  Trifolium dichotomum John S. Palmer 1975-5-3 326 Lake 8.7 mi. E of S.R. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  UCD167165  Trifolium microcephalum Jake Ruygt 2015-4-20 6070 Napa Fernandes/ Land Trust, Snell Peak area. 319 Comment
  JEPS129162  Trifolium microdon Jake Ruygt 2015-3-28 6058 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  UC527955  Trifolium variegatum Ira L. Wiggins 1933-6-3 6715 Lake 2 mi e Oat Hill Mine Comment
  HSC35378  Triphysaria eriantha R. M. Sullivan 1975-5-3 50 Lake 8.7 mi. E of Hwy. 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  JEPS110673  Triphysaria eriantha Jake Ruygt 1979-4-6 479 Napa .3 mile east of Butts Canyon Rd. on Snell Valley Rd. 188 Comment
  JEPS129160  Triphysaria eriantha Jake Ruygt 2015-3-28 6056 Napa Upper Bohn Lake. Aetna Springs 7.5' Quad. Comment
  HSC35377  Triteleia laxa R. M. Sullivan 1975-5-3 41 Lake 8.7 mi. E of SR 29 along Butt's Canyon Creek on Butt's Canyon Rd. 549 Comment
  HSC81870  Triteleia laxa Thomas W. Nelson, Jane P. Nelson 1980-5-3 5138 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UC1282823  Triteleia laxa J. R. Sweeney 1952-5-2 763 Lake ne-facing slope 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa Co. line on Pope Valley road); Butts Canyon 243 Comment
  UCD139409  Triteleia laxa R. L. Smith 1948-5-8 s.n. Napa 6 miles north of Aetna Springs, Pope Valley. Comment
  IRVC27660  Triteleia peduncularis Robert F. Hoover 1938-6-8 3541 Napa S Fork of Butts Creek. Comment
  JEPS5667  Triteleia peduncularis W. L. Jepson 1938-6-8 18892 Napa South Fork Butts Creek Comment
  JEPS62187  Triteleia peduncularis W. L. Jepson 1938-6-8 18892 Napa South Fork of Butts Creek Butts Canyon Comment
  JEPS73707  Triteleia peduncularis L. R. Heckard and T. I. Chuang 1968-6-18 1945 Lake along creek 10 mi se Middletown; Butts Creek Comment
  RSA378085  Triteleia peduncularis Robert Gustafson, Don Reynolds 1983-6-7 2739 Napa Butts Canyon Road, about 2 miles north of the jct. with Aetna Springs Road. Comment
  UC1282822  Triteleia peduncularis J. R. Sweeney 1952-5-19 930 Lake 0.4 mi se Black Oak Villa (1.1 mi from Lake-Napa Co. line on Pope Valley road); Butts Canyon 243 Comment
  UC618198  Triteleia peduncularis R. F. Hoover 1938-6-8 3541 Napa South Fork of Butts Creek Comment
  UCD160597  Triteleia peduncularis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8713 Lake Butts Canyon. Butts Canyon Road, just NW of the Napa County line. North side of the road. Not burned in fire last year (2014). 251 Comment
  UCD160647  Triteleia peduncularis Ellen Dean; Susan Harrison, Sharon Strauss 2015-5-10 8733 Napa Butts Canyon. Along Butts Canyon / Guenoc Road, just NW of Shell Valley Road turnoff. South side of road. 253 Comment
  HSC81865  Uropappus lindleyi Thomas W. Nelson, Jane P. Nelson 1980-5-3 5144 Napa Along Butts Canyon Rd. N of Pope Valley 274 Comment
  UCD63169  Uropappus lindleyi Jake Ruygt 1979-4-6 482 Napa 0.3 miles east of Butts Canyon Rd. on Snell Valley Rd. 207 Comment
  JEPS110806  Viola douglasii Jake Ruygt 1978-3-12 239 Napa .6 mile NE of Butts Canyon on Snell Valley Road 195 Comment
  CAS-BOT-BC183142  Vulpia microstachys var. ciliata R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6713 Lake Meadow on Pope Valley - Middletown road, 3 mi. NW. of Napa - Lake county line Comment
  CAS-BOT-BC183146  Vulpia microstachys var. ciliata Ira L. Wiggins 1933-6-3 6719 Lake 2 mi. E. of Oat Hill Mine Comment
  CAS-BOT-BC183197  Vulpia microstachys var. ciliata R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6688 Napa Butt's Canyon, 10 mi. N. of Howell Mt. Comment
  UC527939  Vulpia microstachys var. ciliata R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6712 Lake 3 mi nw Napa-Lake county line (on Pope Valley-Middletown road) Comment
  CAS-BOT-BC184006  Vulpia microstachys var. microstachys Peter H. Raven 1951-5-26 2885 Napa Butts [Canon] Canyon Creek 304 Comment
  CAS-BOT-BC184326  Vulpia microstachys var. pauciflora R. Bacigalupi; R. S. Ferris; Ira L. Wiggins 1933-6-2 6712 Lake Meadow on Pope Valley - Middletown road, 3 mi. NW. of Napa - Lake county line Comment
  JEPS76082  Vulpia microstachys var. pauciflora W. L. Jepson 1938-5-22 18810 Napa Pope Valley; Limekiln Creek Canyon Comment
  UC527937  Vulpia microstachys var. pauciflora R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6712 Lake 3 mi nw Napa-Lake county line (meadow on Pope Valley-Middletown road) Comment
  CAS-BOT-BC184782  Vulpia myuros subsp. megalura Ira L. Wiggins 1933-6-3 6724 Lake 2 mi. E. of Oat Hill Mine Comment
  OBI14123  Zeltnera muehlenbergii Robert F. Hoover 1966-8-23 9936 Napa Butts Cyn, near Lake co. line Comment
  GH400134  Zeltnera trichantha P. H. Raven 1954-9-1 8085 Unknown Butts Canyon, 7 miles s. of Middletown Comment
  UCD160742  Zeltnera trichantha Ellen Dean 2015-5-23 8794 Napa Butts Canyon. Private property owned by Jobst Jesse. Permission for access and collecting granted. Along Butts Canyon/Guenoc Road just NW of Shell Valley Rd turn off. South side of road. 249 Comment
  UC917346  Zigadenus fremontii R. L. Smith 1948-4-17 Napa 5 mi n Aetna Springs (Pope Valley); Pope Valley Comment
  SEINET12058503  Zigadenus micranthus F. H. Utech, Kawano, S.; Ohara, M. 1995-3-27 95 -65 Lake 6 mi ESE of Middletown & CA 29 on Butts Canyon Road, E of Detert Reservoir Comment
  RSA378407  Zigadenus micranthus var. fontanus Robert Gustafson, Don Reynolds 1983-6-7 2733 Napa Butts Canyon Road, about 2 miles north of the Jct. with Aetna Springs Rd. Comment
  UC527963  Zigadenus micranthus var. micranthus R. Bacigalupi, R. S. Ferris, and Ira L. Wiggins 1933-6-2 6685 Napa 10 mi n Howell Mountain (Butt's Canyon); Butt's Canyon Comment



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