38.86561 38.96561 -122.36869 -122.26869 UC/JEPS: Consortium Search Results
Search Results — 467 specimen records retrieved (467 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/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC331641  Acer macrophyllum C. F. Baker 1903-5-8 2981 Yolo Cache Creek canon Comment
  ECON363559  Acer macrophyllum C. F. Baker 1903-5-8 2981 Unknown Cache Creek canon Comment
  GH363541  Acer macrophyllum C. F. Baker 1903-5-8 2981 Unknown Cache Creek canon Comment
  POM136910  Acer macrophyllum C. F. Baker 1903-5-8 2981 Yolo Cache Creek Canyon Comment
  POM136911  Acer macrophyllum C. F. Baker 1903-5-8 2981 Yolo Cache Creek Canyon Comment
  UC138150  Acer macrophyllum C. F. Baker 1903-5-8 2981 Yolo Cache Creek Canyon Comment
  UCD39760  Acer macrophyllum Beecher Crampton 1958-4-21 4714 Yolo Along State Hwy 16, 2.7 miles northwest of Rumsey. Shaded slopes above Cache Creek. Comment
  UCD80834  Acer macrophyllum Ellen Dean; G. Harrington, J. Alderson, M. Bibbo, B. Rice 2009-3-25 5291 Colusa BLM Bear Creek (Payne) Ranch, lands to the SW of the jct of Hwys 16 and 20. Canyon to the north of Brophy Canyon. 239 Comment
  UCD104040  Acmispon brachycarpus Beecher Crampton 1958-4-21 4719 Yolo 6.5 miles northwest of Rumsey, NW Yolo county, along State Hwy. 16. Comment
  UCD104138  Acmispon glaber D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  UCD104139  Acmispon glaber D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  UCD72387  Acmispon glaber Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5113 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Southwestern edge of ranch above Cache Creek Canyon along ridge trail. 550 Comment
  HSC18436  Adenostoma fasciculatum W. R. Rogers 1965-7-3 284 Yolo Co. Rd. 40, Fiske Creek Ridge Comment
  UCD159964  Adiantum capillus-veneris Ellen Dean; Layne Huiet 2015-4-5 8620 Yolo 3.2 road miles south of border with Colusa County, along Hwy 16. East side of road at highway marker 3.22. 179 Comment
  UCD72465  Aegilops triuncialis Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3799 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near north end of bridge, west side of creek. 260 Comment
  HSC13493  Aesculus californica W. R. Rogers 1965-6-25 302 Yolo Co. Rd. 40 Fiske Creek Ridge Comment
  HSC82059  Allium serra Thomas W. Nelson, Jane P. Nelson 1980-4-27 5106 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UC630440  Allium serra Annetta Carter 1938-5-7 1361 Yolo 3.6 mi n Rumsey; Inner North Coast Range, Cache Creek canyon 152 Comment
  UCD41084  Allium serra N. Nicola 2003-4-21 251 Yolo Eastern foothills of inner north coast range, Capay Valley. Cache Creek Riparian Preserve. Comment
  UCD72396  Ambrosia psilostachya Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5122 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Confluence of Cache and Bear Creeks at southern tip of ranch. 198 Comment
  UCR206545  Amsinckia eastwoodiae George K. Helmkamp, E. A. Helmkamp 2009-3-17 14408 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UC1191034  Amsinckia intermedia Peter M. Ray 1950-4-15 1708 Yolo 6 mi n Rumsey (on Cal Hwy 16, n side of canyon of Cache Creek, 1/4 mi inside Yolo-Colusa county line); Cache Creek Comment
  UC1191035  Amsinckia intermedia Peter M. Ray 1950-4-15 1708 Yolo 6 mi n Rumsey (on Cal Hwy 16, n side of canyon of Cache Creek, 1/4 mi inside Yolo-Colusa county line); Cache Creek Comment
  UCD80836  Amsinckia lunaris Ellen Dean; G. Harrington, J. Alderson, M. Bibbo, B. Rice 2009-3-25 5293 Colusa BLM Bear Creek (Payne) Ranch, lands to the SW of the jct of Hwys 16 and 20. Ridge between Brophy Canyon and the canyon to its north. 366 Comment
  UC1178225  Amsinckia menziesii var. menziesii Peter M. Ray 1950-4-15 1707 Yolo 6 mi n Rumsey (on Cal. Hwy 16, n side of canyon of Cache Creek); Cache Creek Comment
  UC638712  Amsinckia menziesii var. menziesii Ethel Crum 1938-5-7 1987 Yolo 4 mi n Rumsey (Cache Creek); Inner North Coast Range, Cache Creek 152 Comment
  UC638713  Amsinckia menziesii var. menziesii Ethel Crum 1938-5-7 1986 Yolo 4 mi n Rumsey (Cache Creek); Inner North Coast Range, Cache Creek 152 Comment
  UC1178224  Amsinckia tessellata var. gloriosa Peter M. Ray 1950-4-15 1706 Yolo 6 mi n Rumsey (on Cal Hwy #16, n side of canyon of Cache Creek); Cache Creek Comment
  UC133147  Ancistrocarphus filagineus C. F. Baker 1903-5-8 2888 Yolo Cache Creek Canyon Comment
  UCD161027  Angelica californica Craig Thomsen 2006-5-31 s.n. Yolo Along Ridgeline Trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. 457 Comment
  UCD161030  Angelica californica Craig Thomsen 2006-5-31 s.n. Yolo Along Ridgeline Trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. 457 Comment
  UCD80843  Antirrhinum orontium A. M. Shapiro 2009-3-8 s. n. Sacramento hanging on cliff above American River, ca. 1/3 mi E Nimbus Dam (Hazel Ave. area). Comment
  UC1178981  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Herbert L. Mason 1946-5-30 12811 Lake e of Indian Valley (North Fork of Cache Creek); North Fork of Cache Creek 548 Comment
  UCD170128  Apiastrum angustifolium Jack Alderson 2016-5-1 s.n. Colusa BLM Bear Creek Ranch (formerly Payne Ranch); 2400 feet (730 m) west of the confluence of Brophy Creek with Bear Creek. 341 Comment
  UCD81288  Arctostaphylos G. L. Stebbins Jr. 1966-2-22 6308 Yolo Summit ridge of Glasscock Mountain. 731 Comment
  SBBG50839  Arctostaphylos manzanita M. A. Brayton 1964-3-13 8 Yolo Cache Crk Cyn on Hwy 16, 2.5 mi NW of Rumsey 152 Comment
  SBBG9307  Arctostaphylos manzanita E. Smith 1959-3-20 5 Lake Cache Crk, Hwy 16, 26 mi W of Capay Comment
  UCD51898  Arctostaphylos manzanita Marvin L. Nies 1951-2-23 2 Yolo 5 miles northwest of Rumsey. Comment
  UCR206665  Arctostaphylos manzanita subsp. manzanita George K. Helmkamp, E. A. Helmkamp 2009-3-17 14395 Colusa Inner North Coast Ranges Foothills, along CA-16 and Bear Creek, 7.0 miles south of the junction with CA-20; just north of the Yolo County line 194 Comment
  UCD72420  Arctostaphylos viscida Ellen Dean; Gordon Harrington 2006-11-10 3311 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Western part of ranch, along ridge trail overlooking Cache Creek. 535 Comment
  RSA757048  Aristolochia californica Rudolf Schmid 2010-3-13 2010 -6 Colusa Cache Valley, from sandy bank on west side of Highway 16 at edge of Foothill Woodland, a few kilometers north of county line. 169 Comment
  UC1950728  Aristolochia californica R. Schmid 2000-3-21 2010 -6 Colusa Cache Valley, on west side of HW 16, a few km north of county line Comment
  UCR206549  Aristolochia californica George K. Helmkamp, E. A. Helmkamp 2009-3-17 14402 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  HSC82061  Asclepias cordifolia Thomas W. Nelson, Jane P. Nelson 1980-4-27 5104 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD20571  Asclepias fascicularis E. Dean; with M. Bibbo 2002-7-5 1112 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road just W of summit of road in Little Blue Ridge hills. 3.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. In drainage ditch on N side of road. 701 Comment
  UCD72531  Asclepias fascicularis Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3822 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, ca. 0.5 mile downstream of bridge. 246 Comment
  UCD58164  Asclepias speciosa Gordon Harrington 2007-5-15 54 Colusa BLM Payne Ranch. Sandy north side of Cache Creek, about 1/2 mile upstream from the confluence of Cache Creek and Bear Creek. 190 Comment
  UCD81231  Astragalus rattanii var. jepsonianus Ellen Dean; K. Mawdsley, B. Rice 2009-5-6 5568 Colusa Payne Ranch, lands to the SW of the jct. of Hwys. Along Bear Creek south of Brophy Canyon, near old access road that leaves Hwy. 16 near milepost 6. 224 Comment
  UCD81236  Astragalus rattanii var. jepsonianus Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5400 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Edge of Bear Creek, near mouth of canyon located to the south of Brophy Canyon. 224 Comment
  UCD114233  Athysanus pusillus Beecher Crampton 1958-4-21 4725 Colusa Colusa-Yolo County line, along State Hwy. 16, junction Bear and Cache Creeks, 7.4 miles northwest of Rumsey. Comment
  RSA697342  Avena barbata Keith E. Hoffmaster 1941-3-26 s.n. Yolo Putah can. Comment
  UCD56224  Avena barbata Beecher Crampton 1958-4-21 4727 Colusa Colusa-Yolo Co. line: 7.4 miles northwest of Rumsey. Along State Hwy. 16. Junction Bear and Cache Creeks. Comment
  UCD164521  Baccharis salicifolia subsp. salicifolia Craig D. Thomsen 2006-8-16 2708 Yolo Camp Haswell County Park, Pocket Gulch near entry. 137 Comment
  UCR206384  Brassica George K. Helmkamp, E. A. Helmkamp 2009-5-20 14752 Colusa Inner North Coast Ranges, along CA-16, 1.8 miles north of the Yolo County line 271 Comment
  UCD70206  Brodiaea elegans subsp. elegans D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  UCD72459  Brodiaea elegans subsp. elegans Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3793 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Near north end of bridge, west side of creek. 281 Comment
  UCD72482  Brodiaea elegans subsp. elegans Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3816 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, along trail that beings approximately across from BLM parking lot, located at south end of bridge. 256 Comment
  UCD37179  Bromus arenarius Beecher Crampton 1958-4-21 4733 Colusa Colusa County, 12 miles northwest of Rumsey, along Highway 16. Comment
  UCD57578  Bromus arenarius Beecher Crampton 1958-4-21 4733 Colusa Along State Hwy. 16. 12 miles northwest of Rumsey. Comment
  UCR119114  Bromus arenarius Beecher Crampton 1958-4-21 4733 Colusa Inner North Coast Ranges, 12 miles northwest of Rumsey, along Highway 16. 381 Comment
  UCD161066  Bromus laevipes Craig Thomsen 2006-5-10 2645 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD72529  Bromus laevipes Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3820 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek along trail that begins approximately opposite the BLM parking lot near south end of bridge. Approx. 0.75 mile along trail. 286 Comment
  UCD162341  Bromus madritensis Craig Thomsen 2006-5-10 2639 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCR206550  Calandrinia ciliata George K. Helmkamp, E. A. Helmkamp 2009-3-17 14401 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD80845  Calendula arvensis A. M. Shapiro 2009-2-20 s. n. Solano Eugene Brazelton Ranch, on Gates Canyon Road, 1.3 mi NW of Vacaville. Comment
  UCD164514  Calycadenia pauciflora Craig D. Thomsen 2006-8-16 2702 Yolo Camp Haswell County Park. 304 Comment
  UCD164515  Calycadenia pauciflora Craig D. Thomsen 2006-8-16 2702 Yolo Camp Haswell County Park. 304 Comment
  UCD20582  Calycanthus occidentalis E. Dean; with M. Bibbo 2002-7-5 1125 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2.2 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 502 Comment
  RSA733902  Calystegia purpurata Ellen Dean, M. Bibbo 2002-7-5 1114 Yolo East of McLaughlin UC Reserve and Davis reservoir. West of Cache Creek drainage. Along Rayhouse Road just W of summit of road in Little Blue Ridge hills. 3.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 686 Comment
  UCD20573  Calystegia purpurata E. Dean; with M. Bibbo 2002-7-5 1114 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road just W of summit of road in Little Blue Ridge hills. 3.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 685 Comment
  UCD80894  Carex nudata Jack Alderson; G. Harrington 2009-3-25 25 Colusa BLM Bear Creek (Payne) Ranch, lands to the SW of the jct of Hwys 16 and 20. Brophy Canyon, lower reaches. 309 Comment
  UCD84435  Carex nudata Jack Alderson 2009-4-8 31 Colusa BLM Bear Creek Ranch (Previously Payne Ranch). Lands to the SW of jct of Hwys 16 and 20. Brophy Canyon. 304 Comment
  HSC82086  Castilleja applegatei subsp. martinii Thomas W. Nelson, Jane P. Nelson 1980-4-27 5108 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  JEPS103909  Castilleja applegatei subsp. martinii T. I. and F. M. Chuang 1991-6-23 7837 Yolo 3 mi S of Colusa and Yolo Co. line, on highway 16. Comment
  JEPS42531  Castilleja applegatei subsp. martinii G. L. Stebbins Jr. 1966-2-22 6306 Yolo s slope Glasscock Mountain (n side of Cache Creek Canyon); Cache Creek Canyon 457 Comment
  JEPS43522  Castilleja applegatei subsp. martinii Richard H. Ramsey 1961-3-18 11 Yolo Cache Creek Canyon, 3 miles northwest of Rumsey on Hwy. 16 Comment
  JEPS5855  Castilleja applegatei subsp. martinii E. H. Everson 1951-2-24 Yolo 3.5 mi nw Rumsey; Cache Creek Comment
  JEPS5856  Castilleja applegatei subsp. martinii R. W. Cleveland 1951-2-23 8 Yolo 3.5 mi nw Rumsey; Cache Creek Canyon Comment
  JEPS86177  Castilleja applegatei subsp. martinii L. R. Heckard 1988-4-2 6671 Yolo ca 4 mi nw Rumsey; Cache Creek Canyon 300 Comment
  JEPS88818  Castilleja applegatei subsp. martinii T. I. Chuang and F. M. Chuang 1991-6-23 7837 Yolo 3 mi s Colusa and Yolo county line (on Highway 16) Comment
  UC630435  Castilleja applegatei subsp. martinii Annetta Carter 1938-5-7 1368 Yolo Cache Creek canyon, 3.6 miles north of Rumsey, Inner North Coast Range Comment
  UC630439  Castilleja applegatei subsp. martinii Annetta Carter 1938-5-7 1362 Yolo Cache Creek Canyon, 3.6 miles north of Rumsey, Inner North Coast Range Comment
  UCD122267  Castilleja applegatei subsp. martinii Rolf Y. Berg 1964-3-14 8006 Yolo State Highway 16, ca. 2.5 miles northwest of Rumsey. Comment
  UCD81237  Castilleja applegatei subsp. martinii Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5401 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Edge of Bear Creek, near mouth of canyon located to the south of Brophy Canyon. 223 Comment
  UCR206548  Castilleja applegatei subsp. pinetorum George K. Helmkamp, E. A. Helmkamp 2009-3-17 14403 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD81230  Castilleja exserta Ellen Dean; K. Mawdsley, B. Rice 2009-5-6 5567 Colusa Payne Ranch, lands to the SW of the jct. of Hwys. 16 and 20. Along Bear Creek south of Brophy Canyon, near old access road that leaves Hwy. 16 near milepost 6. 218 Comment
  HSC81998  Castilleja exserta subsp. exserta Thomas W. Nelson, Jane P. Nelson 1980-4-27 5113 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  JEPS103915  Castilleja foliolosa T. I. and F. M. Chuang 1991-6-23 7836 Yolo 3 mi S of Colusa and Yolo Co. line, on highway 16. Comment
  JEPS88822  Castilleja foliolosa T. I. Chuang and F. M. Chuang 1991-6-23 7836 Yolo 3 mi s Colusa and Yolo county line (on Highway 16) Comment
  UCD122544  Castilleja foliolosa D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 170 Comment
  UCR206722  Castilleja foliolosa George K. Helmkamp, E. A. Helmkamp 2009-3-17 14394 Colusa Inner North Coast Ranges Foothills, along CA-16 and Bear Creek, 7.0 miles south of the junction with CA-20; just north of the Yolo County line 194 Comment
  UCD170130  Caulanthus lasiophyllus Jack Alderson 2016-5-1 s.n. Colusa BLM Bear Creek Ranch (formerly Payne Ranch); 2400 feet (730 m) west of the confluence of Brophy Creek with Bear Creek. 341 Comment
  RSA589906  Ceanothus cuneatus Michael A. Vincent, Robert M. Rhode 1996-3-30 7270 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  UCD111767  Ceanothus cuneatus Marvin L. Nies 1951-2-23 4 Yolo 5 miles northwest of Rumsey. Comment
  GH349504  Ceanothus integerrimus E. K. Crum 1938-5-7 1999 Unknown Cache Creek canyon, Inner North Coast Range, four miles north of Rumsey 152 Comment
  UC912400  Ceanothus integerrimus Ethel Crum 1938-5-7 1999 Yolo Cache Creek canyon Inner North Coast Ranges (4 mi n of Rumsey.) 152 Comment
  UCD72391  Ceanothus oliganthus var. sorediatus Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5117 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Southwestern edge of ranch above Cache Creek Canyon along ridge trail. 548 Comment
  UCD81260  Ceanothus oliganthus var. sorediatus Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5425 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Just north of the road leading up from the confluence of Bear and Cache Creeks. 323 Comment
  UCD81261  Ceanothus oliganthus var. sorediatus Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5426 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Just north of the road leading up from the confluence of Bear and Cache Creeks. 323 Comment
  UCD81262  Ceanothus oliganthus var. sorediatus Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5427 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Just north of the road leading up from the confluence of Bear and Cache Creeks. 323 Comment
  UCR225463  Ceanothus oliganthus var. sorediatus Ellen Dean, Gordon Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5117 Colusa BLM Payne Ranch, lands to the southwest of the junction of Hwys 16 and 20. Southwestern edge of ranch above Cache Creek Canyon along ridge trail 548 Comment
  SEINET11587777  Centaurea melitensis Unknown 2009-5-20 14758 Colusa Colusa County Comment
  UCD72460  Centaurea melitensis Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3794 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Near north end of bridge, west side of creek. 281 Comment
  CDA36217  Centaurea solstitialis G. K. Helmkamp, E. A. Helmkamp 2009-5-2 14758 Colusa Inner North Coast Ranges; Along CA-16, 1.8 miles north of the Yolo County line. Comment
  UCD20572  Centaurea solstitialis E. Dean; with M. Bibbo 2002-7-5 1113 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road just W of summit of road in Little Blue Ridge hills. 3.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. In drainage ditch on N side of road. 701 Comment
  UCR206392  Centaurea solstitialis George K. Helmkamp, E. A. Helmkamp 2009-5-20 14758 Colusa Inner North Coast Ranges, along CA-16, 1.8 miles north of the Yolo County line 271 Comment
  UCD41106  Centranthus ruber D. Lowry 2002-4-12 182 Yolo Eastern foothills of inner north coast range, Capay Valley. Cache Creek Riparian Preserve. Comment
  UCD81246  Cerastium glomeratum Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5410 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Inside canyon that is located to the south of Brophy Canyon. 340 Comment
  CAS-BOT-BC207761  Cercis occidentalis Camille F. Nowell 2011-6-11 9 Yolo On hwy. 16 heading S in front of Cache Creek State Park and Bear Creek. 183 Comment
  HSC98221  Cercis occidentalis W. R. Rogers 1966-5-8 245 Yolo Hwy. 16, 3 mi. W of Rumsey. Comment
  SEINET803186  Cercis occidentalis W. P. Hachett 1960-1 26 Yolo In an exposed shallow basin 20 Feet from roadside and ca. 50 yards from Cache Creek. On State Highway 128 ca. 6.1 miles north from Rumsey. 137 Comment
  SFV8462  Cercis occidentalis R. D. Deragisch 1969-4-20 12 Colusa Near Bear Creek Bridge on CA State Highway 16, about 2 miles north of Colusa-Yolo County line. 152 Comment
  UC917182  Cercis occidentalis T. Tomich 1949-4-11 4 Yolo 8 mi nw Rumsey; Cache Creek Canyon Comment
  UCD105659  Cercis occidentalis T. Tomich 1949-4-11 4 Colusa Colusa County, near Yolo County line: Cache Creek Canyon 8 miles northwest of Rumsey. (location and county information edited during georeferencing research in 2014; original label said Yolo County). Comment
  UCD20587  Cercis occidentalis E. Dean; with M. Bibbo 2002-7-5 1130 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 1.8 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 457 Comment
  UCR206542  Cercis occidentalis George K. Helmkamp, E. A. Helmkamp 2009-3-17 14405 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCSB25090  Cercis occidentalis Masero, Ann 1967-2-12 Yolo On west side of Highway 16; 4.1 miles south of Bear Creek; in inner North Coastal Ranges 518 Comment
  UCR206710  Cercocarpus betuloides var. betuloides George K. Helmkamp, E. A. Helmkamp 2009-3-17 14397 Colusa Inner North Coast Ranges Foothills, along CA-16 and Bear Creek, 7.0 miles south of the junction with CA-20; just north of the Yolo County line 194 Comment
  CAS-BOT-BC284546  Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1364 Yolo Cache Creek Canyon, 3.6 miles norht of Rumsey, Innner North Coast Range 213 Comment
  CAS-BOT-BC284547  Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1364 Yolo Cache Creek Canyon, 3.6 miles norht of Rumsey, Innner North Coast Range 213 Comment
  POM256527  Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1364 Yolo Cache Creek Canyon, 3.6 miles N of Rumsey, Inner N Coast Range 213 Comment
  SEINET2029500 Image available Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1364 Yolo Steep north-facing slope; Cache Creek Canyon, 3.6 miles north of Rumsey, Inner North Coast Range 213 Comment
  UC630436  Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1366 Yolo 3.6 mi n of Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek 213 Comment
  UC630438  Chaenactis glabriuscula var. heterocarpha Annetta Carter 1938-5-7 1364 Yolo 3.6 mi n of Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek 213 Comment
  UCD72463  Chamaesyce serpyllifolia Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3797 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near north end of bridge, west side of creek. 260 Comment
  UCD20577  Cirsium occidentale var. venustum E. Dean; with M. Bibbo 2002-7-5 1118 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.4 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 640 Comment
  UCD81256  Cirsium vulgare Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5421 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Just north of the road leading up from the confluence of Bear and Cache Creeks. 323 Comment
  HSC81599  Clarkia affinis Thomas W. Nelson, Jane P. Nelson 1980-4-27 5107 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  SFV8284  Clarkia affinis E. F. Beukman 1964-4-19 12 Yolo North Coast Ranges Cache Creek Canyon. State Highway 16, 2.5 miles north of Rumsey. 150 Comment
  UCD72458  Clarkia affinis Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3792 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Near north end of bridge, west side of creek. 281 Comment
  UC638704  Clarkia concinna subsp. concinna Ethel Crum 1938-5-7 1995 Yolo 4 mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  UC144377  Clarkia purpurea subsp. quadrivulnera C. F. Baker 5065 Yolo Cache Creek Canyon Comment
  UCD70201  Clarkia purpurea subsp. quadrivulnera D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 170 Comment
  UCD100580  Claytonia exigua Rolf Y. Berg 1964-3-14 8018 Yolo State Highway 16, ca. 2.5 miles northwest of Rumsey, on steep, north-facing slope south of bridge. Comment
  UCR206546  Claytonia parviflora subsp. parviflora George K. Helmkamp, E. A. Helmkamp 2009-3-17 14409 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  SFV8355  Clematis lasiantha D. Grau 1972-4-1 4 Colusa Highway 16, 5 miles south of junction with Highway 20. Comment
  UCD20574  Clematis lasiantha E. Dean; with M. Bibbo 2002-7-5 1116 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.5 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 640 Comment
  HSC82065  Collinsia heterophylla Thomas W. Nelson, Jane P. Nelson 1980-4-27 5111 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UC638790  Collinsia heterophylla Ethel Crum 1938-5-7 1982 Yolo 4 mi n of Rumsey (Inner North Ranges, Cache Creek Canyon); Inner North Ranges, Cache Creek Canyon 152 Comment
  UCD35567  Collinsia heterophylla Beecher Crampton 1958-4-21 4712 Yolo 2.7 miles northwest of Rumsey, along State Hwy. 16 above Cache Creek. Comment
  UCR104588  Collinsia heterophylla Peter S. Lathrop 1993-4-15 s.n. Colusa North Coastal Range, along California State Highway 16, 5 miles south of State Highway 20 305 Comment
  RSA590187  Collinsia sparsiflora Michael A. Vincent, Robert M. Rhode 1996-3-30 7267 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  UCD72535  Conium maculatum Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3826 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, ca. 0.25 mile downstream of bridge. 246 Comment
  UCD162345  Crocanthemum scoparium Craig Thomsen 2006-6-8 2655 Yolo Camp Haswell Otis Ranch Regional Park. West side of Cache Creek. Vicinity of ridgeline trail Comment
  GH424878  Cryptantha excavata C. F. Baker 1903-5-8 2886 Unknown Cache Creek Canyon Comment
  POM64395  Cryptantha excavata C. F. Baker 1903-5-8 2886 Yolo Cache Creek cannon [Canyon] Comment
  UC78705  Cryptantha excavata C. F. Baker 1903-5-8 2886 Yolo Cache Creek canyon Cache Creek Comment
  UCD119780  Cryptantha excavata Beecher Crampton 1958-4-21 4717 Yolo along State Highway 16, 6.5 miles northwest of Rumsey. Comment
  CAS-BOT-BC85600  Cupressus macnabiana Dr. Anderson s.n. Yolo 3 miles west of Rumsey - Cache Creek Comment
  UCD150923  Cynodon dactylon James A. Neilson Jr. 1961-7-1 s.n. Yolo 5 milies N of Rumsey. Cache Creek. (elevation estimated by label-maker using Google Earth). 176 Comment
  UCD72464  Cynodon dactylon Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3798 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near north end of bridge, west side of creek. 260 Comment
  UCD119180  Cynoglossum grande Marvin Nies 1951-2-23 5 Yolo 5 miles north of Rumsey. Comment
  UCD20586  Datisca glomerata E. Dean; with M. Bibbo 2002-7-5 1129 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 1.8 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 457 Comment
  UCR196223  Datisca glomerata Ellen Dean, Mark Bibbo 2002-7-5 1129 Yolo East of McLaughlin UC Reserve and Davis reservoir. West of Cach Creek drainage, along Rayhouse Road 1.8 road mi east of junction with road to Soda Springs and gate into McLughlin reserve 457 Comment
  HSC24968  Delphinium patens M. Dole 1963-4-15 30 Colusa 6 mi. S of the junction of Hwys. 16 and 20 on Hwy. 16 Comment
  UCD41132  Delphinium patens K. Arhangelsky 2002-3-27 145 Yolo Eastern foothills of inner north coast range, Capay Valley. Cache Creek Riparian Preserve. Comment
  RSA589907  Dichelostemma capitatum subsp. capitatum Michael A. Vincent, Robert M. Rhode 1996-3-30 7254 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  HSC81615  Dichelostemma volubile Thomas W. Nelson, Jane P. Nelson 1980-4-27 5105 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  HSC82058  Dichelostemma volubile Thomas W. Nelson, Jane P. Nelson 1980-4-27 5105 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD72475  Dipsacus fullonum Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3809 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, across from BLM parking lot that is located at south end of bridge. 249 Comment
  SEINET197736 Image available Dodecatheon hendersonii Everett H. Everson 1951-2-23 1 Yolo Cache Creek Canyon, 5.3 miles Northwest of Rumsey, near border of Yolo and Colusa counties. Comment
  UCD20591  Drymocallis glandulosa E. Dean; with M. Bibbo 2002-7-5 1134 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 1.8 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 457 Comment
  UCD81243  Drymocallis glandulosa Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5407 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Inside canyon that is located to the south of Brophy Canyon. 292 Comment
  UCD81238  Dudleya cymosa Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5402 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Edge of Bear Creek, near mouth of canyon located to the south of Brophy Canyon. 223 Comment
  UCD161071  Ehrendorferia chrysantha Craig Thomsen 2006-6-8 2662 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD20606  Ehrendorferia chrysantha E. Dean; with M. Bibbo 2002-7-5 1120 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.0 road miles E of jct with road to Soda Springs and gate into McLaughlin Reserve. 579 Comment
  UCD161067  Elymus glaucus Craig Thomsen 2006-5-10 2648 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD72393  Elymus glaucus subsp. glaucus Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5119 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Southwestern part of ranch, upslope of confluence of Bear and Cache Creeks. Along old hunting camp road southeast (downslope) of junction with ridge trail. 384 Comment
  UC1178980  Emmenanthe penduliflora Herbert L. Mason 1946-5-30 12810 Lake East of Indian Valley, North Fork of Cache Creek 548 Comment
  UCD170129  Emmenanthe penduliflora Jack Alderson 2016-5-1 s.n. Colusa BLM Bear Creek Ranch (formerly Payne Ranch); 2400 feet (730 m) west of the confluence of Brophy Creek with Bear Creek. 341 Comment
  UCD81239  Epilobium canum Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5403 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Just west of the mouth of canyon (inside the canyon) that is located south of Brophy Canyon. 266 Comment
  UCD81376  Epilobium canum Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5403 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Just west of the mouth of canyon (inside the canyon) that is located south of Brophy Canyon. 266 Comment
  UC1043523  Epilobium canum subsp. canum P. C. Everett and E. K. Balls 1954-10-19 20367 Yolo 5.8 mi nw Rumsey (on Hwy 16 to Madison); Cache Creek 152 Comment
  UCD164520  Equisetum arvense Craig D. Thomsen 2006-8-16 2707 Yolo Camp Haswell County Park, Pocket Gulch near entry. 137 Comment
  UCR206547  Ericameria linearifolia George K. Helmkamp, E. A. Helmkamp 2009-3-17 14404 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  SEINET3245667  Eriodictyon californicum G. K. Helmkamp, E. A. Helmkamp 2009-1 14759 Colusa Inner North Coast Ranges: along CA-16, 1.8 miles north of the Yolo County Line (Glascock Mountain 7.5') 271 Comment
  UC638703  Eriodictyon californicum Ethel Crum 1938-5-7 1998 Yolo four mi n Rumsey (Cache Creek Canyon); Inner North Coast Range, Cache Creek Canyon 152 Comment
  UCD58169  Eriodictyon californicum Gordon Harrington 2007-5-15 59 Colusa BLM Payne Ranch. Sandy north side of Cache Creek, about 1/2 mile upstream from the confluence of Cache Creek and Bear Creek. 190 Comment
  UCD72480  Eriodictyon californicum Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3814 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, across from BLM parking lot that is located at south end of bridge. 249 Comment
  UCR206378  Eriodictyon californicum George K. Helmkamp, E. A. Helmkamp 2009-5-20 14759 Colusa Inner North Coast Ranges, along CA-16, 1.8 miles north of the Yolo County line 271 Comment
  CAS-BOT-BC250379  Eriogonum gracile A. J. Bassinger 1920-10-29 s.n. Yolo Upper Capay Valley along Arbuckle Road Comment
  UCD66997  Eriogonum wrightii var. trachygonum Gordon Harrington 2008-8-14 80 Colusa BLM Payne Ranch. Lands to the SW of Hwy 16/20 junction. Just south of the Brophy Creek - Bear Creek confluence on the east side of Bear Creek (west side of Hwy 16). North side of gravel turn-out. 210 Comment
  RSA755891  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2009-5-20 14755 Colusa Along CA-16, 1.8 miles north of the Yolo County line 271 Comment
  UC638702  Eriophyllum lanatum var. achilleoides Ethel Crum 1938-5-7 2000 Yolo n-facing slope above creek (Cache Creek canyon, 4 mi n of Rumsey); Immer North Coast Range <sic>, Cache Creek canyon 152 Comment
  UCR206381  Eriophyllum lanatum var. achilleoides George K. Helmkamp, E. A. Helmkamp 2009-5-20 14755 Colusa Inner North Coast Ranges, along CA-16, 1.8 miles north of the Yolo County line 271 Comment
  UCD35566  Erysimum asperum Beecher Crampton 1958-4-21 4713 Yolo 2.7 miles NW of Rumsey. Along State Hwy 16 above Cache Creek. Comment
  HSC6769  Erysimum capitatum var. capitatum M. Dole 1963-4-15 67 Colusa 6 mi. S of the junction of Hwys. 16 and 20 on Hwy. 16 Comment
  UCD114990  Erysimum capitatum var. capitatum Beecher Crampton 1958-4-21 4713 Yolo above Cache Creek, 2.7 miles northwest of Rumsey. Along State Highway 16. Comment
  UCD13113  Erysimum capitatum var. capitatum Rick A. Harris 1974-4-16 15 Yolo Yolo CO., 2.6 mi N. of Rumsey on Calif. 16, west side of road on slope above Cache Creek. Elevation 700'. 213 Comment
  UCR206723  Eschscholzia George K. Helmkamp, E. A. Helmkamp 2009-3-17 14393 Colusa Inner North Coast Ranges Foothills, along CA-16 and Bear Creek, 7.0 miles south of the junction with CA-20; just north of the Yolo County line 194 Comment
  UCD20013  Eschscholzia caespitosa C. H. Lamoureux; Jack, Marie, and Susan Sheets 1957-4-28 1226 Yolo Capay Canyon. Hwy 16, 7.1 miles NW of Rumsey. 0.1 mile SE of Yolo-Colusa County line. 304 Comment
  UCD94057  Eschscholzia caespitosa Shannon M. Still 2006-3-23 64 Yolo California. Yolo County: Bear Valley on north side of CA-16 in turnout. 184 Comment
  UC638789  Euphorbia spathulata Ethel Crum 1938-5-7 1983 Yolo 4 mi n Rumsey (Cache Creek canyon); Inner North Coast Range 152 Comment
  UCD81254  Euthamia occidentalis Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5419 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Just north of the road leading up from the confluence of Bear and Cache Creeks. 312 Comment
  UCR119116  Festuca microstachys Beecher Crampton 1958-4-21 4724 Yolo Vaca Mountains, At the border with Colusa County line, 7.4 miles northwest of Rumsey. Hwy. 16, near jct. of Bear Crk. with Cache Crk. 198 Comment
  UCD84436  Ficus carica Jack Alderson 2009-4-8 30 Colusa BLM Bear Creek Ranch (Previously Payne Ranch). Lands to the SW of jct of Hwys 16 and 20. Brophy Canyon. 304 Comment
  UCD72474  Forestiera pubescens Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3808 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near south end of bridge, east side of creek. 252 Comment
  UCR227906  Forestiera pubescens Ellen Dean, J. Alderson, N. Voegtly, Craig D. Thomsen 2007-5-12 3808 Colusa BLM Payne Ranch, lands to the Southwest of the junction of Hwys 16 and 20, area of ranch west of Hwy 16, near bridge that spans Bear Creek, c. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near south end of bridge, east side of creek 253 Comment
  UCD20581  Frangula californica subsp. tomentella E. Dean; with M. Bibbo 2002-7-5 1124 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2.5 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 518 Comment
  UCD35565  Fraxinus dipetala Beecher Crampton 1958-4-21 4715 Yolo 2.7 miles NW of Rumsey. Along State Hwy 16 above Cache Creek. Comment
  CAS-BOT-BC205887  Fremontodendron californicum Walter Knight; Irja Knight 1963-10-20 366 Napa 4.5 mi. north of Knoxville Comment
  UCD162343  Galium andrewsii Craig Thomsen 2006-6-13 2665 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  JEPS52811  Galium andrewsii subsp. intermedium G. L. Stebbins Jr. 1966-2-22 6307 Yolo n side Cache Creek Canyon (near mt summit); Glasscock Mountain 670 Comment
  UCD121624  Galium aparine Rolf Y. Berg 1964-3-14 8009 Yolo State Highway 16, ca. 2.5 miles northwest of Rumsey. Comment
  JEPS52649  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1965-5-23 4107 Yolo 1 mi se Colusa Co. line (along Hwy 16); Cache Creek 182 Comment
  JEPS52696  Galium bolanderi G. L. Stebbins Jr. 1966-2-22 6304 Yolo n side Cache Creek (canyon on s slope of mt., from State Hwy 16 to 2000 ft); Glasscock Mountain 457 Comment
  UCD72471  Galium parisiense Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3805 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near north end of bridge, west side of creek. 260 Comment
  JEPS52739  Galium porrigens var. tenue Lauramay T. Dempster and G. L. Stebbins 1965-5-23 4107 A Yolo along Hwy 16 1 mi se Colusa Co. line; Cache Creek 182 Comment
  JEPS52768  Galium porrigens var. tenue G. L. Stebbins Jr. 1966-2-22 6309 Yolo above Cache Creek (s side of mt.); Glasscock Mountain 304 Comment
  RSA590137  Galium porrigens var. tenue Michael A. Vincent, Robert Rhode 1996-3-30 7266 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  UCD81242  Galium porrigens var. tenue Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5406 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Inside canyon that is located to the south of Brophy Canyon. 292 Comment
  SBBG34146  Garrya congdonii R. D. Slayback 1959-3-20 2 Colusa near St Hwy 16, 6 mi NW of Rumsey Comment
  UCD121096  Garrya congdonii Robert D. Slayback 1959-3-20 2 Colusa Near State Highway 16, 6 miles northwest of Rumsey. Comment
  UCD162952  Garrya congdonii Craig Thomsen 2006-6-8 2670 Yolo Ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  RSA201851  Garrya flavescens subsp. congdonii Robert D. Slayback 1959-3-20 2 Colusa Near State Highway 16, six miles northwest of Rumsey. Comment
  UCD58167  Glycyrrhiza lepidota Gordon Harrington 2007-5-15 57 Colusa BLM Payne Ranch. Sandy north side of Cache Creek, about 1/2 mile upstream from the confluence of Cache Creek and Bear Creek. 190 Comment
  UCD72477  Glycyrrhiza lepidota Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3811 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, across from BLM parking lot that is located at south end of bridge. 249 Comment
  SD48363  Gutierrezia californica E. K. Balls 1957-9-9 22687 Yolo Cache Creek, 5.8 miles northwest of Rumsey on Highway 16. 149 Comment
  UC1043522  Gutierrezia californica P. C. Everett and E. K. Balls 1954-10-19 20366 Yolo 5.8 mi nw Rumsey (on Hwy 16 to Madison); Foothill Woodland Community 152 Comment
  UC1509672  Gutierrezia californica Meredith A. Lane 1982-10-18 3043 Yolo 1.1 km (0.7 mi) nw Cache Creek Regional Park Middle Site (9.7km (6.0 mi) nw of Rumsey on California State Highway 16) 153 Comment
  UCD66996  Gutierrezia californica Gordon Harrington 2008-8-14 79 Colusa BLM Payne Ranch. Lands to the SW of Hwy 16/20 junction. Just south of the Brophy Creek - Bear Creek confluence on the east side of Bear Creek (west side of Hwy 16). North side of gravel turn-out. 210 Comment
  UCD72454  Hedypnois cretica Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3791 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Near north end of bridge, west side of creek. 281 Comment
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Jun 12 2013
  UCD161409  Helianthella californica Craig Thomsen 2006-6-10 2654 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD170090  Helianthemum scoparium Jack Alderson 2016-9-3 s.n. Colusa BLM Bear Creek Ranch (formerly Payne Ranch); 5100 feet (1555 m) south of the confluence of Brophy Creek with Bear Creek. 472 Comment
  UCD55444  Helianthus bolanderi Ellen Dean; Gordon Harrington 2006-10-6 3269 Colusa Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Southernmost tip of ranch at the confluence of Bear and Cache Creeks. Along Bear Creek just downslope of State Route 16. 198 Comment
  UCD72395  Heliotropium curassavicum Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5121 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Southwestern part of ranch, upslope of confluence of Bear and Cache Creeks. Along old hunting lamp road southeast (downslope) of junction with ridge trail. 384 Comment
  UCD72399  Heliotropium curassavicum Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5124 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Confluence of Cache and Bear Creeks at southern tip of ranch. 198 Comment
  UCD72470  Heliotropium curassavicum Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3804 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near north end of bridge, west side of creek. 260 Comment
  UCD72453  Hemizonia congesta subsp. luzulifolia Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3790 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Near north end of bridge, west side of creek. 281 Comment
  UCD72483  Hemizonia congesta subsp. luzulifolia Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3817 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, along trail that beings approximately across from BLM parking lot, located at south end of bridge. 256 Comment
  JEPS122881  Hesperolinon micranthum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-19 628 Yolo Along top of slope west of fire road at top of Rayhouse Rd east of Davis Reservoir Comment
  UC1212262  Hesperolinon micranthum Helen K. Sharsmith 1952-6-1 4120 Yolo near summit of Knoxville-Rumsey road (sw of Cache Creek Canyon); Inner North Coast Ranges 731 Comment
  UC1618246  Hesperolinon micranthum Barbara Ertter with Annetta Carter 1989-5-28 8531 Yolo 5 air mi wsw of Rumsey (Rayhouse Road 4.3 mi from Highway 16, e side of ridge between Blue Ridge and Little Blue Ridge, 0.4 mi below crest at large roadcut); Rayhouse Road 731 Comment
  UCD72451  Heteromeles arbutifolia Ellen Dean; Gordon Harrington 2006-11-10 3312 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Western part of ranch, along ridge trail above Cache Creek. 535 Comment
  UCR206543  Heteromeles arbutifolia George K. Helmkamp, E. A. Helmkamp 2009-3-17 14406 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  UCD72479  Hirschfeldia incana Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3813 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, across from BLM parking lot that is located at south end of bridge. 249 Comment
  UCD164516  Holocarpha virgata Craig D. Thomsen 2006-8-16 2703 Yolo Camp Haswell County Park. 304 Comment
  UCD70203  Keckiella breviflora var. glabrisepala D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. Shrubland plant communities on basaltic rocky slopes and talus. 170 Comment
  NY790272  Keckiella corymbosa P. C. Everett 1954-10-19 20365 Yolo Cache Creek, 6.9 miles northwest of Rumsey, Highway 16 to Madison 152.4 Comment
  UC1745988  Keckiella corymbosa Annetta M. Carter and Louise Kellogg 1953-6-20 3238 Yolo Cache Creek, 4 mi. N of Rumsey. Comment
  UCD72539  Keckiella lemmonii Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3830 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. East side of Bear Creek, just south of BLM parking lot (ca. 10 miles). 252 Comment
  UCD161065  Koeleria macrantha Craig Thomsen 2006-5-10 2644 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD72528  Koeleria macrantha Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3819 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek along trail that begins approximately opposite the BLM parking lot near south end of bridge. Approx. 0.75 mile along trail. 286 Comment
  GH403732  Lagophylla minor C. F. Baker 1903-5-8 2892 Unknown Cache Creek canon Comment
  UC89195  Lagophylla minor C. F. Baker 1903-5-8 2892 Yolo along banks Cache Creek Canyon Comment
  UC638788  Lathyrus vestitus var. vestitus Ethel Crum 1938-5-7 1984 Yolo 4 mi n Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek 152 Comment
  UCD72469  Lepidium latifolium Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3803 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near north end of bridge, west side of creek. 260 Comment
  RSA590188  Lepidium nitidum Michael A. Vincent, Robert M. Rhode 1996-3-30 7262 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  RSA590199  Lepidium strictum Michael A. Vincent, Robert M. Rhode 1996-3-30 7263 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  HSC82275  Leptosiphon ciliatus Thomas W. Nelson, Jane P. Nelson 1980-4-27 5112 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  RSA589924  Leptosiphon ciliatus Michael A. Vincent, Robert M. Rhode 1996-3-30 7253 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  JEPS30780  Linanthus ciliatus Lewis S. Rose 1936-4-27 36171 Yolo 3 mi nw Rumsey 152 Comment
  UC880333  Linanthus ciliatus Lewis S. Rose 1936-4-27 36171 Yolo 3 mi nw Rumsey 152 Comment
  UCD81245  Lithophragma heterophyllum Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5409 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Inside canyon that is located to the south of Brophy Canyon. 340 Comment
  RSA641386  Lolium perenne subsp. multiflorum Terry J. O'Brien 1999-07 s.n. Contra Costa San Francisco Bay Area. eastern Richmond along boundary with EL Cerrito. Mira Vista Park adjacent Mira Vista School 91 Comment
  UC630441  Lomatium californicum Annetta Carter 1938-5-7 1360 Yolo 3.6 mi. n. Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek canyon 152 Comment
  UC630442  Lomatium californicum Annetta Carter 1938-5-7 1360 Yolo 3.6 mi. n. Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek canyon 152 Comment
  UCD80835  Lomatium californicum Ellen Dean; G. Harrington, J. Alderson, M. Bibbo, B. Rice 2009-3-25 5292 Colusa BLM Bear Creek (Payne) Ranch, lands to the SW of the jct of Hwys 16 and 20. South side of canyon that is located to the north of Brophy Canyon. 274 Comment
  UCD80967  Lomatium californicum Ellen Dean; G. Harrington, J. Alderson, M. Bibbo, B. Rice 2009-3-25 5292 Colusa BLM Bear Creek (Payne) Ranch, lands to the SW of the jct of Hwys 16 and 20. South side of canyon that is located to the north of Brophy Canyon. 274 Comment
  UCD161147  Lomatium dasycarpum subsp. dasycarpum Craig Thomsen 2006-6-8 2674 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  RSA590200  Lomatium dasycarpum subsp. tomentosum Michael A. Vincent, Robert Rhode 1996-3-30 7258 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UCD20012  Lomatium dasycarpum subsp. tomentosum C. H. Lamoureux; Jack, Marie, and Susan Sheets 1957-4-28 1227 Yolo Capay Canyon. Hwy 16, 7.1 miles NW of Rumsey. 0.1 mile SE of Yolo-Colusa County line. 304 Comment
  SFV8552  Lomatium macrocarpum E. F. Beukman 1964-4-19 11 Yolo North Coast Ranges Cache Creek Canyon. State Highway 16, 2.5 miles north of Rumsey. 150 Comment
  UCD127798  Lomatium utriculatum Carl A. Huether Jr. 1964-3-13 11 Yolo State Highway 16, 2.5 miles north of Rumsey. Comment
  UCD41100  Lomatium utriculatum N. Nicola 2002-4-12 179 Yolo Eastern foothills of inner north coast range, Capay Valley. Cache Creek Riparian Preserve. Comment
  UCR206544  Lomatium utriculatum George K. Helmkamp, E. A. Helmkamp 2009-3-17 14407 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  RSA590186  Lotus humistratus Michael A. Vincent, Robert Rhode, Karl Vincent 1996-3-30 7269 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  UC638710  Lotus humistratus Ethel Crum 1938-5-7 1989 Yolo 4 mi n Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek Canyon 152 Comment
  UCR225395  Lotus scoparius Ellen Dean, Gordon Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5113 Colusa BLM Payne Ranch, lands to the southwest of the junction of Hwys 16 and 20. Southwestern edge of ranch above Cache Creek Canyon along ridge trail 551 Comment
  UC638709  Lotus wrangelianus Ethel Crum 1938-5-7 1990 Yolo 4 mi n Rumsey (Cache Creek canyon); Inner North Coast Ranges, Cache Creek Canyon 152 Comment
  UC917167  Lotus wrangelianus H. Popenoe 1949-4-11 2 Yolo 5.5 mi n Rumsey; Cache Creek 167 Comment
  UCD41127  Lupinus albifrons K. Arhangelsky 2002-3-28 146 Colusa Eastern foothills of inner north coast range, Capay Valley. Cache Creek Riparian Preserve. Comment
  UCR206724  Lupinus bicolor George K. Helmkamp, E. A. Helmkamp 2009-3-17 14392 Colusa Inner North Coast Ranges Foothills, along CA-16 and Bear Creek, 4.3 miles south of the junction with CA-20 261 Comment
  UC638711  Lupinus microcarpus var. densiflorus Ethel Crum 1938-5-7 1988 Yolo Cache Creek Canyon 4 mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  UCR206551  Lupinus succulentus George K. Helmkamp, E. A. Helmkamp 2009-3-17 14400 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  HSC82067  Madia elegans Thomas W. Nelson, Jane P. Nelson 1980-4-27 5114 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UC638791  Madia elegans Ethel Crum 1938-5-7 1980 Yolo 4 mi n Rumsey (Cache Creek canyon); Inner North Coast Range, Cache Creek 152 Comment
  HSC82081  Madia gracilis Thomas W. Nelson, Jane P. Nelson 1980-4-27 5110 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  JEPS119423  Madia gracilis G. K. Helmkamp, E. A. Helmkamp 2009-5-20 14753 Colusa Inner North Coast Ranges, along CA-16, 1.8 miles north of the Yolo County line Comment
  UC638700  Madia gracilis Ethel Crum 1938-5-7 2003 Yolo four mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  UCR206383  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2009-5-20 14753 Colusa Inner North Coast Ranges, along CA-16, 1.8 miles north of the Yolo County line 271 Comment
  UCD161408  Malacothamnus fremontii Craig Thomsen 2006-5-18 s.n. Yolo Otis Camp Haswell County Park. Approximately 1/2 mile from Hwy 16. 286 Comment
  UCD81259  Malacothamnus fremontii Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5424 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Just north of the road leading up from the confluence of Bear and Cache Creeks. 323 Comment
  UCD82630  Malacothamnus fremontii Jack Alderson 2009-8-6 26 Colusa BLM Bear Creek (formerly Payne) Ranch. Lands to the SW of junction of Hwys 16 and 20. Southern part of the ranch, just N of confluence of Bear and Cache Creeks. 243 Comment
  UC1562538  Malacothrix floccifera Barbara Ertter with Annetta Carter 1989-5-28 8528 Yolo ca 5 airmiles wsw Rumsey (Rayhouse Rd, 4.3 mi from Hwy 16, e side of ridge betw. Blue Ridge & Little Blue Ridge, 0.4 mi below creat at large roadcut, ne corner Yolo Co) 731 Comment
  UC630437  Malacothrix floccifera Ethel Crum and Annetta Carter 1938-5-7 1365 Yolo 3.6 mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 213 Comment
  RSA590201  Marah fabacea Michael A. Vincent, Robert M. Rhode 1996-3-30 7257 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UCD80838  Marah fabacea Ellen Dean; G. Harrington, J. Alderson, M. Bibbo, B. Rice 2009-3-25 5295 Colusa BLM Bear Creek (Payne) Ranch, lands to the SW of the jct of Hwys 16 and 20. Ridge between Brophy Canyon and the canyon to its north. Highest point just above northern canyon at its terminus in a stock pond. 512 Comment
  UCR206540  Marah watsonii George K. Helmkamp, E. A. Helmkamp 2009-3-17 14398 Colusa Inner North Coast Ranges Foothills, along CA-16 and Bear Creek, 7.0 miles south of the junction with CA-20; just north of the Yolo County line 194 Comment
  UCR206541  Marah watsonii George K. Helmkamp, E. A. Helmkamp 2009-3-17 14399 Yolo Inner North Coast Ranges Foothills, along CA-20 and Cache Creek, 4.3 miles southeast of the Colusa County line 159 Comment
  CDA36216  Marrubium vulgare G. K. Helmkamp, E. A. Helmkamp 2009-5-2 14757 Colusa Inner North Coast Ranges; Along CA-16, 1.8 miles north of the Yolo County line. Comment
  UCR206379  Marrubium vulgare George K. Helmkamp, E. A. Helmkamp 2009-5-20 14757 Colusa Inner North Coast Ranges, along CA-16, 1.8 miles north of the Yolo County line 271 Comment
  UCD72532  Medicago minima Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3823 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, ca. 0.5 mile downstream of bridge. 246 Comment
  UCD37178  Melica californica Beecher Crampton 1958-4-21 4730 Colusa 7.8 miles NW of Rumsey, along Hwy 16, just above junction of Bear Creek with Cache Creek. Comment
  UCD86456  Melica californica Beecher Crampton 1958-4-21 4728 Colusa Colusa-Yolo Co. line: 7.4 miles northwest of Rumsey. Along State Hwy. 16. Junction Bear and Cache Creeks. Comment
  UCD86457  Melica californica Beecher Crampton 1958-4-21 4730 Colusa 7.8 miles NW of Rumsey, along Hwy 16, just above junction of Bear Creek with Cache Creek. Comment
  UCR119121  Melica californica Beecher Crampton 1958-4-21 4730 Colusa Inner North Coast Ranges, 7.8 miles northwest of Rumsey, along Highway 16, just above junction of Bear Creek with Cache Creek. 381 Comment
  CAS-BOT-BC262487  Melica torreyana C. F. B. 1903-5-6 2885 Yolo Cache Creek Canon [Canyon] Comment
  POM204768  Melica torreyana C. F. Baker 1903-5-6 2885 Yolo Cache Creek Canyon. Comment
  UC75174  Melica torreyana C. F. Baker 1903-5-5 2885 Yolo Cache Creek Canyon Comment
  UCD72468  Melilotus albus Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3802 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near north end of bridge, west side of creek. 260 Comment
  UCD72476  Melilotus albus Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3810 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, across from BLM parking lot that is located at south end of bridge. 249 Comment
  UC1299207  Mentzelia micrantha Freed W. Hoffman 1947-6-18 1643 Yolo Between Knoxville Cache Creek (northwestern) Comment
  UCD102823  Micranthes californica Jack Maze 1964-3-13 29 Yolo State Highway 16, 2.5 miles north of Rumsey. 182 Comment
  UC638714  Micropus californicus var. californicus Ethel Crum 1938-5-7 1985 Yolo four mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  UCD41087  Mimosa N. Nicola 2003-6-24 379 Yolo Eastern foothills of inner north coast range, Capay Valley. Cache Creek Riparian Preserve. Comment
  UCD70204  Mimulus aurantiacus D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 170 Comment
  HSC82083  Mimulus aurantiacus var. aurantiacus Thomas W. Nelson, Jane P. Nelson 1980-4-27 5109 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  JEPS110588  Mimulus kelloggii Jake Ruygt 1998-4-27 3941 Napa NE corner of the county, on Blue Ridge. 807 Comment
  UCD20578  Monardella villosa E. Dean; with M. Bibbo 2002-7-5 1121 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 548 Comment
  UCD80833  Monardella villosa Ellen Dean; G. Harrington, J. Alderson, M. Bibbo, B. Rice 2009-3-25 5290 Colusa BLM Bear Creek (Payne) Ranch, lands to the SW of the jct of Hwys 16 and 20. Canyon to the north of Brophy Canyon, ca. 100 ft from entrance at Bear Creek. 233 Comment
  UCD81240  Monolopia major Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5404 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Slopes on the north side of the canyon that is located just south of Brophy Canyon. 262 Comment
  UCD72481  Nassella lepida Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3815 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, along trail that beings approximately across from BLM parking lot, located at south end of bridge. 256 Comment
  UCD72392  Navarretia mellita Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5118 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Southwestern edge of ranch above Cache Creek Canyon along ridge trail. 548 Comment
  UCD162955  Navarretia pubescens Craig Thomsen 2006-5-31 2646 Yolo Ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD72461  Navarretia pubescens Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3795 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Near north end of bridge, west side of creek. 281 Comment
  CHSC91768  Nemophila heterophylla G. F. Hrusa 1998-3-21 14155 Yolo North Coast Biodiversity Arena. Hwy 16 along Cache Creek at the rafting put-in. Nr. Lake County line. 225 Comment
  UCR206667  Nemophila heterophylla George K. Helmkamp, E. A. Helmkamp 2009-3-17 14396 Colusa Inner North Coast Ranges Foothills, along CA-16 and Bear Creek, 7.0 miles south of the junction with CA-20; just north of the Yolo County line 194 Comment
  UCD161068  Orobanche uniflora Craig Thomsen 2006-5-10 2650 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD162950  Orobanche uniflora Craig Thomsen 2006-5-27 2676 Yolo Ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD150924  Paspalum James A. Neilson Jr. 1961-7-1 s.n. Yolo 5 milies N of Rumsey. Cache Creek. (elevation estimated by label-maker using Google Earth). 176 Comment
  UCD80837  Pellaea andromedifolia Ellen Dean; G. Harrington, J. Alderson, M. Bibbo, B. Rice 2009-3-25 5294 Colusa BLM Bear Creek (Payne) Ranch, lands to the SW of the jct of Hwys 16 and 20. Ridge between Brophy Canyon and the canyon to its north. Highest point just above northern canyon at its terminus in a stock pond. 512 Comment
  UCR225459  Penstemon heterophyllus subsp. australis Ellen Dean, Gordon Harrington J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5114 Colusa BLM Payne Ranch, lands to the southwest of the junction of Hwys 16 and 20. Southwestern edge of ranch above Cache Creek Canyon along ridge trail 551 Comment
  UCR206380  Penstemon heterophyllus subsp. purdyi George K. Helmkamp, E. A. Helmkamp 2009-5-20 14756 Colusa Inner North Coast Ranges, along CA-16, 1.8 miles north of the Yolo County line 271 Comment
  UCD72388  Penstemon heterophyllus var. australis Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5114 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Southwestern edge of ranch above Cache Creek Canyon along ridge trail. 550 Comment
  UCD20570  Perideridia kelloggii E. Dean; with M. Bibbo 2002-7-5 1111 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road just W of summit of road in Little Blue Ridge hills. 3.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 701 Comment
  UCD54309  Perideridia kelloggii E. Dean; with M. Bibbo 2002-7-5 1111 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road just W of summit of road in Little Blue Ridge hills. 3.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 701 Comment
  UCD72534  Petrorhagia dubia Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3825 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, ca. 0.5 mile downstream of bridge. 246 Comment
  UCD120601  Phacelia imbricata D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  UCD20605  Phacelia imbricata E. Dean; with M. Bibbo 2002-7-5 1119 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.4 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 670 Comment
  CDA12020  Phacelia tanacetifolia G. F. Hrusa 1990-4-8 7671 Colusa North Coast Biodiversity Arena; Hwy 16 approx. 10 m. N of Rumsey, along Cache Creek. 198 Comment
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Jul 24 2009
  UCR206810  Phlox gracilis George K. Helmkamp, E. A. Helmkamp 2009-3-17 14389 Colusa Inner North Coast Ranges Foothills, along CA-16 and Bear Creek, 4.3 miles south of the junction with CA-20 261 Comment
  UCD58166  Phyla nodiflora Gordon Harrington 2007-5-15 56 Colusa BLM Payne Ranch. Sandy north side of Cache Creek, about 1/2 mile upstream from the confluence of Cache Creek and Bear Creek. 190 Comment
  UCD72398  Phyla nodiflora Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5123 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Confluence of Cache and Bear Creeks at southern tip of ranch. 198 Comment
  UCD72530  Phyla nodiflora Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3821 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, ca. 0.5 mile downstream of bridge. 246 Comment
  UCD72389  Piptatherum miliaceum Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5115 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Southwestern edge of ranch above Cache Creek Canyon along ridge trail. 548 Comment
  UCD72540  Piptatherum miliaceum Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3831 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. East side of Bear Creek, just south of BLM parking lot (ca. 10 miles). 252 Comment
  UCR225461  Piptatherum miliaceum Ellen Dean, Gordon Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5115 Colusa BLM Payne Ranch, lands to the southwest of the junction of Hwys 16 and 20. Southwestern edge of ranch above Cache Creek Canyon along ridge trail 548 Comment
  UCR206385  Plagiobothrys George K. Helmkamp, E. A. Helmkamp 2009-5-20 14751 Colusa Inner North Coast Ranges, along CA-16, 1.8 miles north of the Yolo County line 271 Comment
  RSA589925  Plagiobothrys nothofulvus Michael A. Vincent, Robert M. Rhode 1996-3-30 7255 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UCD72478  Plantago lanceolata Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3812 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, across from BLM parking lot that is located at south end of bridge. 249 Comment
  UCD81235  Plectritis congesta subsp. brachystemon Barry Rice; E. Dean, G. Harrington, J. Alderson, M. Bibbo 2009-3-25 s.n. Colusa Bear Creek (formally Payne) Ranch. Lands to the SW of the jct of Hwys 20 and 16. Southern part of the ranch on the south side of a canyon that is immediately north of Brophy Canyon. 274 Comment
  UCD137593  Plectritis macrocera Beecher Crampton 1941-4-21 4710 Yolo along State Hwy 16, Cache Creek canyon, 2.7 miles northwest of Rumsey. Comment
  UCD81247  Poa secunda subsp. secunda Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5411 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Inside canyon that is located to the south of Brophy Canyon. 340 Comment
  UCD90805  Poa secunda subsp. secunda Beecher Crampton 1958-4-21 4711 Yolo 2.7 miles NW of Rumsey. Along State Hwy 16 above Cache Creek. Comment
  UCD90806  Poa secunda subsp. secunda Beecher Crampton 1958-4-21 4729 Colusa Southwestern Colusa County. 7.8 miles NW of Rumsey, along Hwy 16, just above junction of Bear Creek with Cache Creek. Comment
  UCD72472  Polypogon maritimus Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3806 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near north end of bridge, west side of creek. 259 Comment
  UCD81255  Populus fremontii Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5420 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Just north of the road leading up from the confluence of Bear and Cache Creeks. 323 Comment
  UCD20569  Pseudognaphalium californicum E. Dean; with M. Bibbo 2002-7-5 1110 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road just W of summit of road in Little Blue Ridge hills. 3.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 701 Comment
  UCD70207  Pseudognaphalium californicum D. Sanchez-Mata 1998-6-24 s.n. Yolo Rumsey. Cache Creek Ridge. Cache Creek Canyon Regional Park. 210 Comment
  UCD162344  Quercus X morehus Craig Thomsen 2006-5-18 2699 Yolo Camp Haswell Otis Ranch Regional Park. West side of Cache Creek Comment
  UCD162951  Quercus berberidifolia Craig Thomsen 2006-6-13 2669 Yolo Ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD20576  Quercus berberidifolia E. Dean; with M. Bibbo 2002-7-5 1117 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.5 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 640 Comment
  UCD82634  Quercus berberidifolia Jack Alderson 2009-9-19 30 Colusa BLM Bear Creek (formerly Payne) Ranch. Lands to the SW of junction of Hwys 16 and 20. Just S of mouth of Brophy Canyon. 341 Comment
  UCD20584  Quercus chrysolepis E. Dean; with M. Bibbo 2002-7-5 1127 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 472 Comment
  UCD81241  Quercus chrysolepis Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5405 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Inside canyon that is located to the south of Brophy Canyon. 292 Comment
  RSA589917  Quercus douglasii Michael A. Vincent, Robert Rhode 1996-3-30 7268 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  UCD20585  Quercus lobata E. Dean; with M. Bibbo 2002-7-5 1128 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 472 Comment
  UCD20583  Quercus wislizeni E. Dean; with M. Bibbo 2002-7-5 1126 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 472 Comment
  UCD72390  Quercus wislizeni var. frutescens Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5116 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Southwestern edge of ranch above Cache Creek Canyon along ridge trail. 548 Comment
  UCR225462  Quercus wislizeni var. frutescens Ellen Dean, Gordon Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5116 Colusa BLM Payne Ranch, lands to the southwest of the junction of Hwys 16 and 20. Southwestern edge of ranch above Cache Creek Canyon along ridge trail 548 Comment
  UC638699  Rafinesquia californica Ethel Crum 1938-5-7 2004 Yolo 4 mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  UCR206701  Ranunculus canus George K. Helmkamp, E. A. Helmkamp 2009-3-17 14391 Colusa Inner North Coast Ranges Foothills, along CA-16 and Bear Creek, 4.3 miles south of the junction with CA-20 261 Comment
  POM268170  Ranunculus canus var. blankinshipii J. W. Blankinship 1893-4-15 s.n. Yolo Capay. Mt. Range: Inner North Coast. 122 Comment
  RSA590185  Ranunculus hebecarpus Michael A. Vincent, Robert M. Rhode 1996-3-30 7270 a Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16 , ca. 2 miles S of Colusa Co. Line. Comment
  UCD96136  Ranunculus hebecarpus Rolf Y. Berg 1964-3-14 8010 Yolo State Highway 16, 2.5 miles northwest of Rumsey. Comment
  JEPS41974  Rhamnus tomentella subsp. tomentella W. L. Jepson 1934-7-28 16746 Colusa hills near Cortina Valley; Inner North Coast Range Comment
  CAS-BOT-BC168125  Rhus aromatica Annetta Carter 1938-5-7 1369 Yolo Cache Creek Canyon, 3.6 miles north of Rumsey 152 Comment
  CAS-BOT-BC200694  Rhus aromatica Annetta Carter 1938-5-7 1369 Yolo Cache Creek Canyon, 3.6 miles north of Rumsey 152 Comment
  HSC2212  Rhus aromatica Annatta Carter 1938-5-7 1369 Yolo N facing slope, Cache Creek Canyon, 3.6 mi. N of Rumsey. 152 Comment
  SBBG4067  Rhus aromatica S. Shannon 1959-3-20 1 Yolo Cache Crk cyn, 6 mi NW of Rumsey, St Hwy 16 Comment
  SEINET8042208  Rhus aromatica R. R. Halse 2010-3-21 7831 Yolo Along State Hwy 16, ca 7.6 miles S of its junction with State Hwy. 20 or 5.7 miles northwest of Rumsey. 180 Comment
  SEINET3823157 Image available Rhus aromatica var. trilobata Annetta Carter 1938-5-7 1369 Yolo Cache Creek Canyon, 3.6 mi north of Rumsey 152 Comment
  A347157  Rhus trilobata A. M. Carter 1938-5-7 1369 Unknown Cache Creek Canyon, 3.6 miles north of Rumsey 152 Comment
  GH347196  Rhus trilobata A. M. Carter 1938-5-7 1369 Unknown Cache Creek Canyon, 3.6 miles north of Rumsey 152 Comment
  RSA403721  Rhus trilobata Annetta Carter 1938-5-7 1369 Yolo Cache Creek Canyon, 3.6 miles north of Rumsey 152 Comment
  RSA589945  Rhus trilobata Michael A. Vincent, Robert Rhode 1996-3-30 7274 Colusa Along Highway 16, near mile marker 5\55, 5.55 mi. S jct. Highway 20 Comment
  RSA783300  Rhus trilobata R. R. Halse 2010-3-21 7831 Yolo Along State Hwy 16 ca. 7.6 miles S of its junction with State Hwy 20 or 5.7 miles NW of Rumsey. 180 Comment
  SEINET3871794  Rhus trilobata Richard R. Halse 2010-3-21 7831 Yolo Along State Hwy. 16 ca 7.6 miles S of its junction with State Hwy. 20 or 5.7 miles northwest of Rumsey.; 0 180 Comment
  UC629764  Rhus trilobata Annetta Carter 1938-5-7 1369 Yolo 3.6 mi n Rumsey (Cache Creek Canyon); Cache Creek Canyon 152 Comment
  POM257185  Rhus trilobata var. pilosissima Annetta Carter 1938-5-7 1369 Yolo Cache Creek Canyon, 3.6 miles north of Rumsey 152 Comment
  RSA140273  Rhus trilobata var. pilosissima Jill S. Miller 1959-4-20 5 Yolo Cache Creek Canyon, 6 miles northwest of Rumsey, State Highway 16 Comment
  UCD102287  Ribes malvaceum C. H. Beardslee 1937-2-15 s.n. Yolo Putah Canyon. Comment
  UCD161070  Ribes malvaceum Craig Thomsen 2006-6-8 2652 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD80839  Ribes malvaceum Jack Alderson 2009-2-21 20 Colusa BLM Payne Ranch (Bear Creek Ranch), lands to the SW of intersection of Hwys 16 and 20. Brophy Canyon. 304 Comment
  UCD80841  Ribes malvaceum Jack Alderson 2009-2-21 22 Colusa BLM Payne Ranch (Bear Creek Ranch), lands to the SW of intersection of Hwys 16 and 20. South side of Brophy Canyon. 426 Comment
  UC638701  Rigiopappus leptocladus Ethel Crum 1938-5-7 2001 Yolo four mi n Rumsey; Inner North Coast Range, Cache Creek Canyon 152 Comment
  CDA19779  Saccharum ravennae J. Chesi 2001-8-11 s.n. Yolo Northern California; Route 16 mile marker 3.22, E side of road in water seepage area along Cache Creek. 6-7 ft tall, common in area. 0 Comment
  CDA19780  Saccharum ravennae J. Chesi 2001-8-11 s.n. Yolo Northern California; Route 16 mile marker 3.22 overlooking level of Cache Creek. 6-7 ft tall, common in area. 0 Comment
  CDA19781  Saccharum ravennae J. Chesi 2001-8-11 s.n. Yolo Northern California; Route 16 mile marker 3.75 under bridge crossing Cache Creek. 6-7 ft tall, common along creek and seepages. 0 Comment
  CDA2395  Saccharum ravennae Gordon Leppig 2001-3-29 1541 Colusa Route 16, 100 meters east of mile marker 4.58. 0 Comment
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Jul 31 2014
  HSC102730  Saccharum ravennae J. P. Smith 2013-8-23 13779 Colusa Along State Route 16 above Cache Creek. 192 Comment
  HSC97379  Saccharum ravennae J. P. Smith 2007-8-1 12405 Yolo Hwy. 16, along Cache Creek, just S of the Colusa County line 181 Comment
  JEPS113057  Saccharum ravennae Gordon Leppig 2001-9-13 1610 Colusa Rt. 16. Mile marker 4.7-4.58. Bear Creek Gravel bar. Comment
  JEPS113059  Saccharum ravennae Gordon Leppig 2001-9-13 1612 Yolo Rt. 16. Mile marker 7.17. Comment
  UCD20589  Salix exigua E. Dean; with M. Bibbo 2002-7-5 1132 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 1.8 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 457 Comment
  UCD84434  Salix exigua Jack Alderson 2009-4-8 32 Colusa BLM Bear Creek Ranch (Previously Payne Ranch). Lands to the SW of jct of Hwys 16 and 20. Brophy Canyon. 304 Comment
  SBBG83455  Salix gooddingii D. Neubacher 1975-5-2 14 Yolo Cache Crk area, St Hwy 16, ca. 2.3 mi N of Rumsey Comment
  UCD164522  Salix laevigata Craig D. Thomsen 2006-8-16 2709 Yolo Camp Haswell County Park, Pocket Gulch near entry. 137 Comment
  UCD81258  Salix laevigata Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5423 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Just north of the road leading up from the confluence of Bear and Cache Creeks. 323 Comment
  UCD84432  Salix laevigata Jack Alderson 2009-4-8 34 Colusa BLM Bear Creek Ranch (Previously Payne Ranch). Lands to the SW of jct of Hwys 16 and 20. Brophy Canyon. 304 Comment
  UCD20590  Salix lasiolepis E. Dean; with M. Bibbo 2002-7-5 1133 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 1.8 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 457 Comment
  UCD81257  Salix lasiolepis Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5422 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Just north of the road leading up from the confluence of Bear and Cache Creeks. 323 Comment
  UCD84433  Salix lasiolepis Jack Alderson 2009-4-8 33 Colusa BLM Bear Creek Ranch (Previously Payne Ranch). Lands to the SW of jct of Hwys 16 and 20. Brophy Canyon. 304 Comment
  RSA589919  Sanicula bipinnatifida Michael A. Vincent, Robert M. Rhode 1996-3-30 7264 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  UCR206666  Scandix pecten-veneris George K. Helmkamp, E. A. Helmkamp 2009-3-17 14390 Colusa Inner North Coast Ranges Foothills, along CA-16 and Bear Creek, 4.3 miles south of the junction with CA-20 261 Comment
  UCD81232  Schedonorus arundinaceus Ellen Dean; K. Mawdsley, B. Rice 2009-5-6 5569 Colusa Payne Ranch, lands to the SW of the jct. of Hwys. 16 and 20. Along Bear Creek south of Brophy Canyon, near old access road that leaves Hwy. 16 near milepost 6. 220 Comment
  UCD72473  Schoenoplectus pungens Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3807 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near north end of bridge, west side of creek. 259 Comment
  CAS-BOT-BC59100  Sedum spathulifolium C. F. Baker 1907-5-6 3336 Yolo Cache Creek Canyon, Comment
  UC144320  Sedum spathulifolium C. F. Baker 1907-5-6 3236 Yolo Cache Creek Canyon Comment
  UCD81249  Sherardia arvensis Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5413 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. South of the canyon that is located south of Brophy Canyon. 375 Comment
  UC75046  Silene californica C. F. Baker 1903-5-8 2978 Yolo along banks Cache Creek Canyon Cache Creek Canyon Comment
  CAS-BOT-BC389006  Silene laciniata subsp. californica C. F. Baker 1903-5-8 2978 Yolo Cache Creek canon [Canyon] Comment
  UCD72467  Sinapis arvensis Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3801 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near north end of bridge, west side of creek. 260 Comment
  UCD81234  Sisymbrium irio Ellen Dean; K. Mawdsley and B. Rice 2009-5-6 5571 Colusa Payne Ranch, lands to the SW of the jct. of Hwys. 16 and 20. Along Bear Creek south of Brophy Canyon, near old access road that leaves Hwy. 16 near milepost 6. 218 Comment
  NY821145  Solanum parishii C. F. Baker 1903-5-8 2890 Yolo Cache Creek canon [canyon] Comment
  GH244900  Solanum umbelliferum C. F. Baker 1903-5-8 2890 Unknown Cache Creek canon Comment
  UC140353  Solanum umbelliferum C. F. Baker 1903-5-8 2890 Yolo Cache Creek Canyon Comment
  UCD72466  Sonchus asper Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3800 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Bank of Bear Creek near north end of bridge, west side of creek. 260 Comment
  UCD80844  Spergularia rubra Dan Marcum 2009-1-20 s. n. Shasta near city of Redding. Comment
  UCD80842  Sporobolus indicus Scott Stoddard 2009-3-26 s. n. Merced Northern part of town of Merced. Comment
  UCD81244  Stachys Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5408 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. Inside canyon that is located to the south of Brophy Canyon. 292 Comment
  SFV1246  Stellaria nitens R. Y. Berg 1964-3-14 8014 Yolo Cache Creek. State Highway 16 about 2.5 miles northwest of Rumsey. Comment
  UCD20575  Stephanomeria virgata E. Dean; with M. Bibbo 2002-7-5 1115 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 3.9 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 670 Comment
  UCD81233  Taeniatherum caput-medusae Ellen Dean; K. Mawdsley, B. Rice 2009-5-6 5570 Colusa Payne Ranch, lands to the SW of the jct. of Hwys. 16 and 20. Along Bear Creek south of Brophy Canyon, near old access road that leaves Hwy. 16 near milepost 6. 218 Comment
  CDA5072  Tamarix parviflora T. C. Fuller 1960-6-15 4479 Colusa Bear Creek, 2 miles north of Yolo Co. line. 0 Comment
  HSC41184  Tamarix parviflora Robert M. Specht, John Rehling 1976-4-12 383 Colusa 7.5 mi. S of Hwy. 20 on Hwy. 16 Comment
  RSA261392  Tamarix parviflora Elaine J. Imada 1971-4-10 6 Yolo Along Cache Creek; State Hwy 16, 2 miles S of the Colusa-Yolo Co line. Comment
  RSA589946  Tamarix parviflora Michael A. Vincent, Robert M. Rhode 1996-3-30 7273 Colusa Along Highway 16, near mile marker 5\55, 5.55 mi. S jct. Highway 20 Comment
  UCD101735  Tamarix parviflora Beecher Crampton 1958-4-21 4731 Colusa Bear Creek at junction with Cache creek, 7.8 miles NW of Rumsey, along Hwy 16. Comment
  UC638698  Tetrapteron graciliflorum Ethel Crum 1938-5-7 2006 Yolo 3.5 mi nw Rumsey; Inner North Coast Range, Comanche Hills 213 Comment
  UCD115957  Thysanocarpus curvipes Marvin Nies 1951-2-23 3 Yolo 5 miles NW of Rumsey. Comment
  UCD72484  Torilis arvensis Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3818 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. West side of Bear Creek, along trail that beings approximately across from BLM parking lot, located at south end of bridge. 256 Comment
  RSA590203  Toxicodendron diversilobum Michael A. Vincent, Robert Rhode 1996-3-30 7252 Yolo Cache Creek Canyon Regional Park, Lower Site, along St. Hwy. 16, ca. 2 miles S of Colusa Co. Line. Comment
  SFV2132  Toxicodendron diversilobum G. W. Sanderson 1960-4-13 214 Yolo Cache Creek Basin, State Highway 16, about 5 miles north of Rumsey. Growing in shade of trees along stream bank. Comment
  UCD81252  Trifolium Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5417 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. South of the canyon that is located to the south of Brophy Canyon and north of the road leading up from the confluence of Bear and Cache Creeks. 365 Comment
  UCD81253  Trifolium albopurpureum Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5418 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. South of the canyon that is located to the south of Brophy Canyon and north of the road leading up from the confluence of Bear and Cache Creeks. 365 Comment
  UC638706  Trifolium albopurpureum var. albopurpureum Ethel Crum 1938-5-7 Yolo 4 mi n Rumsey (Cache Creek); Inner North Coast Ranges 152 Comment
  UC638708  Trifolium bifidum var. decipiens Ethel Crum 1938-5-7 1991 Yolo 4 mi n Rumsey (Cache Creek Canyon); Inner North Coast Ranges 152 Comment
  UC638705  Trifolium ciliolatum Ethel Crum 1938-5-7 1994 Yolo 4 mi n Rumsey (Cache Creek Canyon); Inner North Coast Ranges 152 Comment
  UCD81251  Trifolium depauperatum var. truncatum Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5415 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. South of the canyon that is located to the south of Brophy Canyon and north of the road leading up from the confluence of Bear and Cache Creeks. 365 Comment
  UCD41085  Trifolium dubium N. Nicola 2003-3-22 252 Yolo Eastern foothills of inner north coast range, Capay Valley. Cache Creek Riparian Preserve. Comment
  CDA36257  Trifolium hirtum G. K. Helmkamp, E. A. Helmkamp 2009-5-2 14754 Colusa Inner North Coast Ranges; Along CA-16, 1.8 miles north of the Yolo County line. Comment
  UCR206382  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2009-5-20 14754 Colusa Inner North Coast Ranges, along CA-16, 1.8 miles north of the Yolo County line 271 Comment
  UC638707  Trifolium microcephalum Ethel Crum 1938-5-7 1992 Yolo 4 mi n Rumsey (Cache Creek); Inner North Coast Ranges 152 Comment
  UCD161146  Trifolium microcephalum Craig Thomsen 2006-6-8 2666 Yolo Along ridgeline trail (accessed at turn-out across the road from Camp Haswell), approximately 0.5 mile south of Hwy 16. Yolo County park adjacent to Cache Creek. Rumsey Canyon. 457 Comment
  UCD81250  Trifolium microcephalum Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5414 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. South of the canyon that is located to the south of Brophy Canyon and north of the road leading up from the confluence of Bear and Cache Creeks. 365 Comment
  HSC82060  Triteleia laxa Thomas W. Nelson, Jane P. Nelson 1980-4-27 5102 Yolo Along SR 16, 100 m E of bridge over Cache Creek, 4.2 mi. from county line 152 Comment
  UCD20588  Typha angustifolia E. Dean; with M. Bibbo 2002-7-5 1131 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 1.8 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 457 Comment
  UCD72394  Typha latifolia Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5120 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Southwestern part of ranch, upslope of confluence of Bear and Cache Creeks. Along old hunting camp road southeast (downslope) of junction with ridge trail. 384 Comment
  UCD72405  Typha latifolia Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5120 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Southwestern part of ranch, upslope of confluence of Bear and Cache Creeks. Along old hunting camp road southeast (downslope) of junction with ridge trail. 384 Comment
  UCD20580  Umbellularia californica E. Dean; with M. Bibbo 2002-7-5 1123 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2.5 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 518 Comment
  UCD80840  Umbellularia californica Jack Alderson 2009-2-21 21 Colusa BLM Payne Ranch (Bear Creek Ranch), lands to the SW of intersection of Hwys 16 and 20. Brophy Canyon. 304 Comment
  UC92114  Uropappus lindleyi C. F. Baker 1903-5-8 2887 Yolo Cache Creek canyon Cache Creek Comment
  UCD72462  Velezia rigida Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen 2007-5-12 3796 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Area of ranch west of Hwy 16, near bridge that spans Bear Creek, ca. 4.5 road miles south of junction of Hwy 16/20. Near north end of bridge, west side of creek. 281 Comment
  UCD72400  Veronica anagallis-aquatica Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth 2008-6-8 5125 Colusa BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Confluence of Cache and Bear Creeks at southern tip of ranch. 198 Comment
  UCD20579  Vitis californica E. Dean; with M. Bibbo 2002-7-5 1122 Yolo East of McLaughlin UC Reserve and Davis resevoir. West of Cache Creek drainage. Along Rayhouse Road 2.5 road miles E of jct with road to Soda Springs and gate into McLaughlin reserve. 518 Comment
  UCD93817  Vulpia microstachys var. ciliata Beecher Crampton 1958-4-21 4721 Yolo along border of county, State Hwy. 16, junction of Bear and Cache Creeks, 7.4 miles northwest of Rumsey, Colusa. Comment
  UCD93940  Vulpia microstachys var. confusa Beecher Crampton 1958-4-21 4723 Colusa along State Hwy. 16, junction of Bear and Cache Creeks, 7.4 miles northwest of Rumsey. Colusa-Yolo county line. Comment
  UCD37177  Vulpia microstachys var. pauciflora Beecher Crampton 1958-4-21 4724 Yolo Yolo County, at border with Colusa County line, 7.4 miles northwest of Rumsey, Highway 16, near junction of Bear Creek with Cache Creek. Comment
  UCD94505  Vulpia microstachys var. pauciflora Beecher Crampton 1958-4-21 4722 Colusa along State Hwy. 16, junction on Bear and Cache creeks, 7.4 miles northwest of Rumsey, on county line. Comment
  UCD94746  Vulpia myuros Beecher Crampton 1958-4-21 4720 Colusa State Hwy 16, junction of Bear Creek with Cache Creek, 7.4 miles northwest of Rumsey, Colusa-Yolo County border. Comment
  UCD94895  Vulpia myuros Jack Maze 1964-3-13 27 Yolo State Highway 16, 2.5 miles north of Rumsey. 182 Comment
  UCD94896  Vulpia myuros Jack Maze 1964-3-13 28 Yolo State Highway 16, 2.5 miles north of Rumsey. 182 Comment
  UCD81248  Wyethia helenioides Ellen Dean; G. Harrington, R. Willmarth, B. Rice, and C. Thomson 2009-4-8 5412 Colusa BLM Bear Creek (Payne) Ranch. Lands to the SW of the intersection of Hwys. 16 and 20. South of the canyon that is located south of Brophy Canyon. 396 Comment
  UC638792  Yabea microcarpa Ethel Crum 1938-5-7 1981 Yolo 4 mi n Rumsey (Cache Creek canyon); Inner North Coast Range 152 Comment
  UCD164509  Zeltnera trichantha Craig D. Thomsen 2006-6-8 2664 Yolo Camp Haswell County Park, along ridgeline trail, west of Hwy 16. 304 Comment



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