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Search Results
— 2000 specimen records retrieved (1626 records with coordinates) (That's the default maximum. Contact Jason Alexander for larger data requests.) Results for search: County=COLUSA; Source=All; Map/download results: BerkeleyMapper with layers and yellow flags |
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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/). | |
Records are made available under the CCH Data Use Terms. |
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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ... |
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? | Specimen ID | Determination * | Collector | Collection Date | Collection Number | County | Locality | Elevation in meters | Feedback | |
---|---|---|---|---|---|---|---|---|---|---|
HSC5007 | Abies concolor | J. O. Sawyer | 1968-10-12 | 756 | Colusa | Colusa/Lake Co. line, Snow Mtn., boundary N of Clear Lake and W of Stony Ford | 2134 | Comment | ||
CHSC46859 | Acer macrophyllum | Vernon Oswald | 1989-9-12 | 4007 | Colusa | Goat Mtn Rd 3.0 mi wsw of Lodoga-Stonyford Rd, ca. 6 mi (air) s of Stonyford. | 426 | Comment | ||
CAS-BOT-BC334176 | Acer negundo var. californicum | Roxana S. Ferris | 1926-4-22 | 6301 | Colusa | near Sycamore | Comment | |||
CAS-BOT-BC334177 | Acer negundo var. californicum | Roxana S. Ferris | 1917-4-17 | 618 | Colusa | Sycamore Slough | Comment | |||
CAS-BOT-BC334174 | Acer negundo var. californicum | Alice Eastwood | 1921-4-11 | 10245 | Colusa | Colusa | Comment | |||
JEPS73474 | Achillea millefolium | L. R. Heckard | 1972-7-9 | 3083 | Colusa | along trail from Frog Pond to Milk Ranch Frog Pond; Snow Mt. (southern range extension) | 1950 | Comment | ||
UCR205146 | Achillea millefolium | George K. Helmkamp, E. A. Helmkamp | 2008-10-14 | 14252 | Colusa | Sacramento Valley, along CA-20, 0.2 mile east of the Sutter County line | 9 | Comment | ||
UCD50713 | Achnatherum lemmonii | Beecher Crampton | 1958-5-19 | 4799 | Colusa | 5.8 miles south of Lodoga, Colusa County. | Comment | |||
CAS-BOT-BC29877 | Achyrachaena mollis | B. Ellyson; J. Hooke; D. Newman | 1996-5-4 | 40 | Colusa | Bear Valley, Leesville, 1.3 mi. south fo Brim Road on Bear Valley Road; 14.7 mi. on Walker Ridge Road | 414 | Comment | ||
JEPS36738 | Achyrachaena mollis | W. L. Jepson | 1932-5-8 | 16285 | Colusa | Stonyford | 365 | Comment | ||
SEINET7062980 | Achyrachaena mollis | A. G. Vestal | 1955-4-5 | s.n. | Colusa | Along Route 16 about 0.2 mile south of Route 20 and near Bear Creek. UTM Zone 10, 555654mE, 4318071mN. (WGS84/NAD83). | 320 | Comment | ||
UCD64421 | Achyrachaena mollis | Craig D. Thomsen | 2000-4-28 | 2177 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UCD64428 | Achyrachaena mollis | Craig D. Thomsen | 2000-4-28 | 2204 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
HSC92504 | Achyrachaena mollis | J. Cromwell, Julie Schneider, A. Thoele | 1994-4-23 | 45 | Colusa | Bear Valley, along Bear Valley Rd,. approx. 1.3 miles south of junction with Bartlett Springs Rd. | 409 | Comment | ||
CHSC112211 | Acmispon brachycarpus | Lowell Ahart; John Dittes, Josephine Guardino | 2013-4-26 | 18648 | Colusa | Inner North Coast Range. On the north side of State Highway 20, just east of Lake County Line, 12.2 mile (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 566 | Comment | ||
CHSC30000 | Acmispon brachycarpus | John Griffith | 1980-4-6 | 9 | Colusa | Ca. 6 mi s of Stonyford. | 405 | Comment | ||
CHSC79733 | Acmispon brachycarpus | L. P. Janeway; B. Castro | 2000-5-3 | 6699 | Colusa | Vicinity of Antelope Creek and Grapevine Creek. | 426 | Comment | ||
UCD163235 | Acmispon brachycarpus | Craig D. Thomsen | 2000-4-28 | 2250 | Colusa | Bear Creek Botanical Management Area. CalTrans right-of-way along Hwy 20 (south side), about 1 mile west of Hwy 20/16 intersection. | 345 | Comment | ||
UCD64282 | Acmispon brachycarpus | Craig D. Thomsen | 2000-3-31 | 2098 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UCD66693 | Acmispon brachycarpus | Craig D. Thomsen | 2000-6-23 | 2376 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
UCSB63635 | Acmispon brachycarpus | Fukuyama, S. | 1986-4-5 | Colusa | Ca 0.3 mi w of jjct of Hwys 20 & 16, S side of Bear Creek, ca 18 mi SW of Williams | 321 | Comment | |||
CHSC101628 | Acmispon denticulatus | David W. Isle; Teal Richards | 2002-4-18 | 1653 | Colusa | Mendocino National Forest; N of Fouts Springs, S of Chlorinator Building on road to Bathhouse Trail (Snow Mtn.) SE aspect drainage in chamise chamassal site burned during 8/8/01 Trough Fire. Teal Richards-DI Reveg Study Plot. MDB and M. | 524 | Comment | ||
UCD66677 | Acmispon denticulatus | Craig D. Thomsen | 2000-5-11 | 2290 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | 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 | ||
HSC94147 | Acmispon grandiflorus | G. Fred Hrusa | 1998-6-19 | 14638 | Colusa | Below Fouts Springs on Fouts Springs Rd. to Stonyford. | 675 | Comment | ||
CHSC52808 | Acmispon grandiflorus var. grandiflorus | L. R. Heckard | 1969-5-28 | 2233 | Colusa | On road above and west of Fouts Springs. | 762 | Comment | ||
SD131846 | Acmispon grandiflorus var. grandiflorus | L. R. Heckard | 1969-5-29 | 2240 | Colusa | Along Trough Spring Ridge road, 0.2 mile north of its junction with Crackerbox Ridge road. | 1128 | Comment | ||
UCR261720 | Acmispon rubriflorus | Ann Howald | 2003-5-30 | 2354 | Colusa | Inner North Coast Ranges, Indian Valley, East Park Reservoir, Catholic Point peninsula, Coppermine Road c. 1.2 miles north of intersection with Ruby King Rd., then c. 0.1 mile east on ranch road | 397 | Comment | ||
UCR261747 | Acmispon rubriflorus | Ann Howald | 2003-6-9 | 2369 | Colusa | Inner North Coast Ranges, Indian Valley, East Park Reservoir, Catholic Point peninsula, Coppermine Road c. 1.2 miles north of intersection with Ruby King Rd, then c. 0.1 mile east on ranch road | 397 | Comment | ||
CHSC79739 | Acmispon wrangelianus | L. P. Janeway; B. Castro | 2000-5-2 | 6692 | Colusa | Vicinity of Grapevine Creek and Sites-Lodoga Road. | 225 | Comment | ||
HSC97663 | Acmispon wrangelianus | J. Marshall, J. Savage, L. Allison | 1997-3-30 | 11 | Colusa | Mt. Diablo Meridian, 1.6 mi. E of Brim Rd., Walker Ridge intersection. | 457 | Comment | ||
CAS-BOT-BC29713 | Acroptilon repens | F. L. Shanks | 1931-10-1 | s.n. | Colusa | Mills Orchard, near Maxwell | Comment | |||
CAS-BOT-BC29714 | Acroptilon repens | F. L. Shanks | 1931-10-1 | s.n. | Colusa | Mills Orchard, near Maxwell | Comment | |||
CHSC1534 | Adenostoma fasciculatum | V. Holt | 1935-5-12 | Colusa | Near Stonyford. | 335 | Comment | |||
UCD84556 | Adenostoma fasciculatum | Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society | 2010-6-5 | 6081 | Colusa | Walker Ridge. Along Walker Ridge Road on southern part of the ridge, south of turnoff to Indian Valley Reservoir. | 683 | Comment | ||
SEINET10866059 | Adenostoma fasciculatum | Katherine L. Morris | 1973-6-6 | Morris 390 | Colusa | Chaparral woodland and sparse oak, on hwy 20, 0.3 miles e of lake co line | Comment | |||
UCD56913 | Adiantum jordanii | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3516 | Colusa | BLM Payne Ranch. Southwest of intersection of Hwy. 16 and Hwy. 20. In Craig Canyon. | 318 | Comment | ||
CDA4021 | Aeschynomene rudis | June McCaskill, J. Hill | 1990-8-27 | s.n. | Colusa | Near Princeton. | 0 | Comment | ||
CDA4023 | Aeschynomene rudis | G. Costa, S. Scardaci | 1990-8-28 | Colusa | West side of Boggs Road between Dodge and Fonseca Roads; 5.6 km southwest of Princeton. | 0 | Comment | |||
CDA4027 | Aeschynomene rudis | G. D. Barbe, June McCaskill | 1990-9-5 | 4397 | Colusa | West side of Boggs Road between Dodge and Fonseca Roads; 5.6 km southwest of Princeton. | 0 | Comment | ||
SFV15096 | Aeschynomene rudis | B. J. McCaskill, G. D. Barbe (4397) | 1990-9-5 | s. n. | Colusa | West side of Boggs Road between Dodge and Fonseca Roads. MDB&M. | Comment | |||
SFV15097 | Aeschynomene rudis | B. J. McCaskill, G. D. Barbe (4397) | 1990-9-5 | s. n. | Colusa | West side of Boggs Road between Dodge and Fonseca Roads. MDB&M. | Comment | |||
UCD104592 | Aeschynomene rudis | June McCaskill; G. D. Barbe | 1990-9-5 | 4397 | Colusa | West side of Boggs Road Between Dodge and Fonseca roads; 5.6 km southwest of Princeton. | Comment | |||
HSC66736 | Aesculus californica | J. P. Smith, J. O. Sawyer | 1973-4-30 | 6365 | Colusa | Along Hwy. 20, 10.1 mi. W of Hwy. 5 at Williams | Comment | |||
HSC86927 | Aesculus californica | Anthony J. Desch, Bryon Cariss | 1988-4-16 | 33 | Colusa | 2 mi. W on Brim Rd. from corner of Brim Rd. and Bear Valley Rd. | 518 | Comment | ||
CHSC48483 | Agastache urticifolia | Vernon Oswald | 1984-7-20 | 1613 | Colusa | Near the Lily Pond n of Letts Lake in Mendocino Nat. Forest. | 1280 | Comment | ||
JEPS75862 | Ageratina occidentalis | L. R. Heckard | 1974-9-10 | 3887 | Colusa | s of East Peak (along intermittent spring of upper reaches of Dark Hollow Creek); Snow Mt., Dark Hollow Creek | 2011 | Comment | ||
UCD57716 | Agoseris grandiflora | Jordan Thompson; with Plant Biology 102 | 2007-4-29 | 1 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Central/Eastern part of ranch. Craig Canyon. North side of Craig Creek on south side of unimproved road. | 335 | Comment | ||
UCD66705 | Agoseris grandiflora | Craig D. Thomsen | 2001-4-12 | 2490 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
UCD162984 | Agoseris heterophylla | Craig D. Thomsen | 2002-4-4 | 2582 | Colusa | Bear Creek Botanical Management Area. Roadside shoulder of Hwy 20 (south side), about 0.3 mile west of Hwy 20/16 intersection. | 345 | Comment | ||
UCD56676 | Agoseris heterophylla | Jack Alderson | 2007-3-25 | 12 | Colusa | BLM Payne Ranch. Destanella Flat area, just E of the Lake County border, ca. 3.4 road miles along Hwy 20 from the junction of Hwy 16 and Hwy 20. South side of Hwy 20. | 570 | Comment | ||
JEPS75879 | Agrostis alba | L. R. Heckard | 1974-9-9 | 3873 | Colusa | meadowy area around spring and small stream just ne reocky promontory southeast of Foutch Camp; Snow Mt. | 1798 | Comment | ||
CHSC94532 | Agrostis avenacea | Lowell Ahart | 2006-8-22 | 13227 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
RSA725021 | Agrostis avenacea | L. Ahart | 2006-8-22 | 13227 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 348 | Comment | ||
UCD51776 | Agrostis avenacea | Beecher Crampton | 1958-5-19 | 4822 | Colusa | along US Hwy. 99W, about 3 miles south of Maxwell. | Comment | |||
UCD51793 | Agrostis avenacea | Beecher Crampton | 1958-6-27 | 4985 | Colusa | 5 miles south of Colusa. | Comment | |||
UCD51802 | Agrostis avenacea | Beecher Crampton | 1963-8-5 | 6871 | Colusa | 3/4 mile E of Cortena, Lurline Road. | Comment | |||
JEPS110433 | Agrostis exarata | Lowell Ahart | 2006-8-9 | 13167 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford | 347 | Comment | ||
UCSB63779 | Agrostis exarata | Oswald, Vernon; Ahart, Lowell | 1998-7-15 | Colusa | Bartlett Springs Rd; 1.6 mi W of Bear Valley Rd; T15N R5W Sect 7 | 487 | Comment | |||
JEPS73446 | Agrostis variabilis | L. R. Heckard | 1972-7-8 | 3043 | Colusa | on ridge running se West Peak, Snow Mt. (on n side) | 2011 | Comment | ||
UC985647 | Alisma lanceolatum | Herbert L. Mason and Verne Grant | 1946-9-5 | 13119 | Colusa | 1.6 mi w Williams (road to Lake County) | Comment | |||
CAS-BOT-BC445318 | Alisma lanceolatum | Milo S. Baker | 1946-9-5 | 11631 | Colusa | Along Hiwy. bet. Colusa and Williams | Comment | |||
UCD137914 | Alisma lanceolatum | Herbert L. Mason | 1946-9-5 | 13119 | Colusa | Road to Lake County, 1.6 miles west of Williams. | Comment | |||
UCD57115 | Allium | Gordon Harrington; Diana Hickson | 2007-4-7 | 0019 | Colusa | Colusa Co. Ca. BLM Payne Ranch, SW intersection of Hwy 16 and Hwy 20, approx. 1/2 m WNW of Roadkill Cafe. | 463 | Comment | ||
CAS-BOT-BC459583 | Allium amplectens | Katherine Esau | 1934-5-5 | s.n. | Colusa | Wilbur Springs Quad., Near Rail Canyon | Comment | |||
JEPS56351 | Allium amplectens | W. L. Jepson | 1932-5-8 | 16272 | Colusa | Lodoga | 457 | Comment | ||
JEPS73487 | Allium amplectens | L. R. Heckard | 1972-7-9 | 3099 | Colusa | se slope of East Peak of Snow Mt. East Peak of Snow Mt. | 2072 | Comment | ||
UCD138480 | Allium amplectens | G. L. Stebbins Jr. | 1962-5-6 | 6024 | Colusa | along Highway No. 20, on south bank of Bear Creek, between Williams and Lower Lake, south of Wilbur Springs. | 457 | Comment | ||
UCD82390 | Allium amplectens | Craig Thomsen; G. Harrington | 2009-5-12 | 2832 | Colusa | Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 100 yds south of road (ravine with spring below). | 822 | Comment | ||
CAS-BOT-BC459582 | Allium amplectens | Roxana S. Ferris | 1926-4-23 | 6578 | Colusa | Stonyford | Comment | |||
UCD138458 | Allium cratericola | Louis K.; Pat Mann | 1961-4-2 | s.n. | Colusa | Bear Valley. | 396 | Comment | ||
CHSC90866 | Allium falcifolium | D. Isle | 2003-6-25 | 217 | Colusa | Mendocino National Forest--North Coast Ranges. Little Stony Creek Watershed. Rd. 16N03. | 1767 | Comment | ||
UCD82517 | Allium falcifolium | Craig Thomsen; G. Harrington | 2009-5-12 | 2875 a | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. | 713 | Comment | ||
UCD141855 | Allium falcifolium | Roman Gankin | 1958-4-25 | s.n. | Colusa | 4 miles west of Leesville. Near head of Bear Valley. | 304 | Comment | ||
CAS-BOT-BC135885 | Allium fimbriatum subsp. purdyi | A. A. Heller | 1940-5-6 | 15579 | Colusa | Summit of the grade on State Highway #20, at the Lake County line. | 232 | Comment | ||
UC2014135 | Allium fimbriatum subsp. purdyi | Michele Lanctot with Plant Biology 102 | 2007-4-29 | 2 | Colusa | Colusa County: Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Central part of ranch. Thompson Canyon. Bottom of serpentine slope in the middle of the path. | Comment | |||
CAS-BOT-BC135891 | Allium fimbriatum subsp. purdyi | Lewis S. Rose | 1936-4-27 | 36194 | Colusa | 22 mi. SW of Williams, Lake Co. - Colusa Co. boundary. | 396 | Comment | ||
JEPS120995 | Allium fimbriatum var. purdyi | Lowell Ahart, John Dittes, Josephine Guardino | 2013-4-26 | 18641 | Colusa | Rocky serpentine outcrop on the north side of Hwy 20, just east of Lake County line, 12.2 air miles east northeast of the town of Clear Lake, 17.1 air miles west of Williams. | Comment | |||
POM215800 | Allium fimbriatum var. purdyi | David D. Keck | 1933-5-30 | 2398 | Colusa | Colusa/Lake Co. Line west of Wilbur Springs | Comment | |||
UCD57301 | Allium fimbriatum var. purdyi | Ellen Dean; C. Thomsen, S. Bledsoe, J. Alderson, M. Starbuck | 2007-4-7 | 3672 | Colusa | BLM Payne Ranch. Lands to the southwest of junction of Hwy. 20 and Hwy. 16. Thompson Canyon, near juncture with Craig Canyon. Above Thompson Creek. | 366 | Comment | ||
UCR198151 | Allium fimbriatum var. purdyi | Ellen Dean, C. Thomsen, S. Bledsoe, J. Alderson, M. Starbuck | 2007-4-7 | 3663 | Colusa | BLM Payne Ranch, Craig Canyon, west of Hwy 16, c. 2 road mi south of junction of Hwy 20 and Hwy 16. Along unimproved road | 329 | Comment | ||
SEINET3884489 | Allium fimbriatum var. purdyi | D. W. McNeal | 1977-5-18 | 2028 | Colusa | On a hillside above a small stream beside Hwy. #20, 0.9 mi. w. of the jct. of Hwy. #16.; 0 | Comment | |||
SEINET3884500 | Allium fimbriatum var. purdyi | Thomas Nelson, Jane P. Nelson | 1978-4-30 | 3972 | Colusa | State Route 20 just east of Colusa-Lake county line.; 0 | 549 | Comment | ||
SEINET3878782 | Allium sanbornii var. jepsonii | James Payne Smith Jr | 1978-4-22 | 9744 | Colusa | Wilbur Springs Quadrangle. Bear Valley Road, 1.2 miles from its junction with State Route 20.; 0 | 411 | Comment | ||
CHSC2063 | Allium serra | D. Smith | 1935-5-12 | Colusa | Stonyford Hills. | Comment | ||||
CHSC86119 | Allium serra | Jenny Marr; Caroline Warren | 1998-5-4 | Colusa | Vicinity of Sites, Stone Corral Creek, and Antelope Valley. | 106 | Comment | |||
CAS-BOT-BC475542 | Allium serra | Roxana S. Ferris | 1926-4-23 | 6584 | Colusa | Field 2 miles from Stonyford | Comment | |||
CAS-BOT-BC475543 | Allium serra | Roxana S. Ferris | 1917-4-14 | 557 | Colusa | Foothills 7 miles west of Arbuckle | Comment | |||
CAS-BOT-BC475545 | Allium serra | Lewis S. Rose | 1936-4-27 | 36181 | Colusa | 11 miles NW of Rumsey | 411 | Comment | ||
CAS-BOT-BC475548 | Allium serra | H. C. Cantelow | 1936-4-11 | 1184 | Colusa | Bear Creek Canyon | Comment | |||
UCD141815 | Allium serra | L. K. Mann | 1958-5-3 | s.n. | Colusa | 0.2 mile toward Clear Lake from junction of California Highway # 16 and # 20. | Comment | |||
UCD141828 | Allium serra | M. Yamaguchi; D. Hughes, D. G. Hunt | 1965-4-29 | s.n. | Colusa | along road 3.2 miles past junction of California 16 and 20, toward Rumsey, SW part of county. | Comment | |||
UCD15285 | Allium serra | Claire Warshaw | 1985-4-13 | 9 | Colusa | along Bear Valley Road, 8 miles northwest from intersection with highway 20; | 390 | Comment | ||
UC1051499 | Allophyllum divaricatum | Helen K. Sharsmith | 1953-6-19 | 4280 | Colusa | 1 mi. n. Trough Springs (on Trough Springs Ridge); Inner N. Coast Ranges, Mendocino Nat'l Forest, Trough Spring | 914 | Comment | ||
CHSC36827 | Allophyllum gilioides | B. Castro | 1982-3-27 | 3 | Colusa | On roadcut on n side of Hwy 20 at Salt Canyon, n side of Salt Ck, 11 mi wsw of Williams. | 143 | Comment | ||
HSC44459 | Allophyllum gilioides | R. York | 1978-4-22 | 129 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
UCD82489 | Allophyllum gilioides | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5675 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 853 | Comment | ||
JEPS72 | Allophyllum gilioides subsp. gilioides | W. L. Jepson | 1932-5-7 | 16271 | Colusa | Lodoga; ; Lodoga, Colusa Co. | 518 | Comment | ||
SEINET3872990 | Allophyllum gilioides subsp. violaceum | Richard R. Halse | 2010-3-25 | 7849 | Colusa | Along State Hwy. 20 ca 10.7 miles southwest of its junction with Interstate Hwy. 5 at Williams; in Salt Canyon.; 0 | 154 | Comment | ||
CHSC94310 | Alnus rhombifolia | Lowell Ahart | 2006-8-9 | 13108 | Colusa | Gravel bar on the north side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford. | 422 | Comment | ||
SEINET10510969 | Alopecurus californicus | Roxana S. Ferris | 1917-4-12 | Ferris 549 | Colusa | 4 miles E of Williams. Alkali Plains. | Comment | |||
CHSC85730 | Alopecurus saccatus | G. F. Hrusa; K. van Katwyk | 1995-4-22 | 12142 | Colusa | Inner North Coast Ranges. Along N side of Leesville Rd. approx. 4 m. NW of Hwy. 20. | 290 | Comment | ||
CHSC112624 | Amaranthus californicus | Lowell Ahart | 2013-10-1 | 19089 | Colusa | Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. | 364 | Comment | ||
CHSC84970 | Amaranthus californicus | Lowell Ahart | 2003-10-23 | 10658 | Colusa | On the east strand of East Park Reservoir, about 1/8 mile northwest of Sites Lodoga Road, about 1 mile north of Lodoga, about 21 miles west of Maxwell. | 368 | Comment | ||
JEPS120702 | Amaranthus californicus | Lowell Ahart | 2013-10-1 | 19089 | Colusa | Strand of East Park Reservoir, about 2.5 air miles SE of Stonyford, about 2.5 miles NW of Lodoga, about 10 air miles NW of Sites. | Comment | |||
UC1191392 | Amaranthus californicus | Herbert L. Mason and Verne Grant | 1946-8-6 | 12968 | Colusa | 2.7 mi n Colusa (between Sacramento River and Butte Creek); Butte Sink | Comment | |||
CHSC61395 | Ambrosia psilostachya | Vernon H. Oswald; Joseph Silveira | 1993-8-16 | 5804 | Colusa | Refuge located ca. 7 mi S of Willows, center N side of Tract 44, near the S boundary of the refuge. | 24 | Comment | ||
RSA718532 | Ambrosia psilostachya | L. Ahart | 2006-10-31 | 13518 | Colusa | 20 yards northeast of the bridge across Stony creek, just north of Stonyford. | 348 | Comment | ||
CDA20509 | Ambrosia psilostachya | D. Isle | 2004-11-17 | DI 2 -04 | Colusa | Northwestern California; Just N of Stony Creek, N of Stonyford and S of the Glenn county line. | 344 | Comment | ||
SBBG50561 | Amelanchier utahensis | B. Hutmacher | 1973-4-21 | 10 | Colusa | St Hwy 20, Bear Valley near Bear River | 1524 | Comment | ||
CHSC84957 | Ammannia coccinea | Lowell Ahart | 2003-10-23 | 10673 | Colusa | On the east strand of East Park Reservoir, about 1/8 mile northwest of Sites Lodoga Road, about 1 mile north of Lodoga, about 21 miles west of Maxwell. | 368 | Comment | ||
JEPS110091 | Ammannia robusta | Lowell Ahart | 2006-8-9 | 13142 | Colusa | North side and just east of the bridge across Stony Creek, just north of Stonyford | 347 | Comment | ||
CHSC30012 | Amsinckia intermedia | John Griffith | 1980-4-16 | 1 | Colusa | Ca. 7 mi s of Stonyford. | 402 | Comment | ||
SFV3062 | Amsinckia intermedia | D. West | 1960-4-10 | 11 | Colusa | Southern end of Bear Valley, 5 miles northwest of junction of State Highways 16 and 20. | 244 | Comment | ||
JEPS102235 | Amsinckia lunaris | L. P. Janeway | 2001-4-18 | 7024 | Colusa | Vicinity of Grapevine Creek, Sites-Lodoga Road, and Scotties Spring. | 274 | Comment | ||
UCD80820 | Amsinckia lunaris | Ellen Dean, G. Harrington; K. Mawdsley, C. Thomsen, G. Walden, E. McDermott | 2009-3-18 | 5276 | Colusa | BLM Bear Creek (Payne) Ranch, lands to the SW of the jct of Hwys 20 and 16. SW-facing slope above Lynch Canyon on east side of canyon. | 517 | 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 | ||
CHSC60660 | Amsinckia lycopsoides | Vernon H. Oswald | 1993-4-14 | 5267 | Colusa | Tour Route, Colusa National Wildlife Refuge, SW of Colusa. Along the edge of the levee road along the S leg of the tour route. | 18 | Comment | ||
HSC72143 | Amsinckia retrorsa | J. P. Smith, Thomas W. Nelson, Jane P. Nelson | 1978-4-2 | 9575 | Colusa | Bear Valley Rd., 2.1 mi. from its junction with Hwy. 20 | 366 | Comment | ||
CHSC101640 | Ancistrocarphus filagineus | David W. Isle | 2002-4-18 | 1658 | Colusa | Mendocino National Forest. N of Fouts Springs, N of Chlorinator Building and road to Bathhouse Trailhead. Edge of E-flowing ephemeral drainage. MDB and M. In chamise site burned in 8/8/01 Trough Fire and part of Helicopter Hydromulch Study Plot. | 524 | Comment | ||
CHSC112258 | Ancistrocarphus filagineus | Lowell Ahart; John Dittes, Josephine Guardino | 2013-4-26 | 18626 | Colusa | Inner North Coast Range. On the north side of State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 566 | Comment | ||
HSC48170 | Ancistrocarphus filagineus | Thomas W. Nelson, Jane P. Nelson | 1978-4-29 | 3934 | Colusa | Along Bear Valley Rd., 2 mi. from the junction with State Route 20. | 366 | Comment | ||
JEPS16206 | Ancistrocarphus filagineus | Rimo Bacigalupi and Arthur Holmgren | 1950-4-26 | 3182 | Colusa | just w of, (w of base of grade to Indian Valley (Bartlett Mt. Road)) Bear Valley; Inner North Coast Ranges, Indian Valley, Bear Valley | Comment | |||
UCD163684 | Ancistrocarphus filagineus | Craig Thomsen | 1999-4-15 | 1985 | Colusa | Bear Valley. About 5 miles north of Hwy 20, west of Bear Valley Rd. | Comment | |||
CHSC79806 | Androsace elongata subsp. acuta | L. P. Janeway; B. Castro | 2000-5-2 | 6693 | Colusa | Vicinity of Grapevine Creek and Sites-Lodoga Road. | 225 | Comment | ||
CHSC32214 | Antennaria geyeri | James Jokerst | 1980-8-6 | 1060 | Colusa | North Coast Ranges. Near Snow Mountain (West). | Comment | |||
SD22373 | Anthemis cotula | Richard Neil | 1938-6-20 | Colusa | Grimes | Comment | ||||
UCD163218 | Anthemis cotula | Craig D. Thomsen | 2000-5-11 | 2325 | Colusa | Bear Creek Botanical Management Area. CalTrans right-of-way along Hwy 20 (south side), about 0.3 mile west of Hwy 20/16 intersection. | 345 | Comment | ||
CAS-BOT-BC237912 | Antirrhinum subcordatum | Rattan | 1940-6-7 | s.n. | Colusa | On the ridge east of Lodogo. On Stony Creek, not far from this station | Comment | |||
CAS-BOT-BC27017 | Antirrhinum subcordatum | Volney Rattan | 1884-6-1 | s.n. | Colusa | Coast Mountains N. of San Francisco Bay. Stony Cr. | Comment | |||
CHSC111700 | Antirrhinum subcordatum | David Isle; F. Thomas Griggs | 1979-5-23 | 2064 | Colusa | Little Stony Creek Watershed. 1/5 mile W of Goat Mtn. Rd/Lodoga Rd. Jct. on N side of Goat Mtn. Rd. Near I-7 fire pre-attack triangular sign on T-post. (Just past Ruby King Mine and small eph. drainage that joins Little Stony Creek from N. | 414 | Comment | ||
CHSC84191 | Antirrhinum vexillo-calyculatum subsp. intermedium | Lowell Ahart | 2003-7-14 | 10388 | Colusa | By a wash, on the east side of Bear Valley Road, about 3 miles northwest of Highway 20. | 381 | Comment | ||
CHSC94710 | Antirrhinum virga | Lowell Ahart | 2006-6-15 | 12792 | Colusa | On the west side of Forest Road 18N03, about 100 yards north of Mill Creek, near Fouts, Mill Creek Campgrounds, about 5 3/4 miles (air) west-southwest of Stonyford. | 500 | Comment | ||
JEPS127573 | Antirrhinum virga | David Isle | 2015-6-20 | 2155 | Colusa | North Coast Ranges: ~3.75 miles W of Stonyford and ~100 yards S of road 18N01; S of Bob Angulo mobile hone; on E edge of old 4x4 road/firebreak in chaparral. (Gilmore Peak 7.5' Quad.) | Comment | |||
SBBG119809 | Antirrhinum virga | L. Ahart | 2006-6-15 | 12792 | Colusa | W side of USFS Rd 18N03, ca. 100 yds N of Mill Crk, near Fouts, Mill Crk Cmpgrds, ca. 5.75 air mi WSW of Stonyford | 500 | Comment | ||
CHSC62836 | Apiastrum angustifolium | Vernon H. Oswald; Lowell Ahart | 1994-3-23 | 6017 | Colusa | Goat Mtn. Rd. just W of the bridge over Sullivan Creek, S of Stonyford. | 505 | Comment | ||
JEPS87723 | Apiastrum angustifolium | Vernon H. Oswald and Lowell Ahart | 1994-3-23 | 6017 | Colusa | just w of bridge over Sullivan Creek (s of Stonyford, Goat Mountain Road); Goat Mountain Road | 505 | Comment | ||
CAS-BOT-BC392020 | Aquilegia eximia | G. L. Stebbins | 1972-6-25 | 9000 | Colusa | Ravine below Black Diamond Glade, 4 miles northwest of Stonyford | 411 | Comment | ||
JEPS80780 | Arceuthobium abietinum | L. R. Heckard and J. C. Hickman | 1981-7-30 | 5753 | Colusa | se side of Snow Mountain, Trout Creek Trout Creek; Snow Mountain, Trout Creek | 1600 | Comment | ||
CHSC28034 | Arceuthobium campylopodum | J. D. Jokerst | 1979-3-24 | 180 | Colusa | Comment | ||||
SEINET3239841 | Arceuthobium occidentale | R. L. Mathiasen | 2009-1 | 2009 -21 | Colusa | 3.2 km E of Summit County line at vista point on St. Rte. 20. | 400 | Comment | ||
UCD50538 | Arctostaphylos canescens | G. L. Webster | 1989-5-6 | 7700 | Colusa | Near border with Lake County, Pinus attenuata woods on crest of Walker Ridge, near Cold Springs Mountain. | Comment | |||
SEINET11989693 | Arctostaphylos canescens | R. A. DeMartile | 1982-1 | s.n. | Colusa | between Ladoga & Goat Mt. lookout | 792 | Comment | ||
HSC96816 | Arctostaphylos canescens subsp. canescens | J. Carey, A. Hong, J. Leffingwell | 1995-4-1 | 24 | Colusa | Walker Ridge Rd., 4.8 mi. N of its junction with Indian Valley Access Rd. | 976 | Comment | ||
JEPS73507 | Arctostaphylos canescens subsp. canescens | L. R. Heckard | 1972-7-10 | 3124 | Colusa | on trail to Box Spring e Trout Creek crossing (Snow Mt.); , e of Trout Creek crossing on trail to Box Spring | 1828 | Comment | ||
UCD51022 | Arctostaphylos glandulosa var. glandulosa | G. L. Webster | 1989-5-6 | 4699 | Colusa | Near border with Lake County; on Walker Ridge, near Cold Spring Mountain. | Comment | |||
CAS-BOT-BC240291 | Arctostaphylos manzanita | Ellen Dean; C. Thomsen; G. Harrington; Davis Botanical Society | 2010-6-5 | 6080 | Colusa | Walker Ridge. Along Walker Ridge Road on southern part of the ridge, south of turnoff to Indian Valley Reservoir | 683 | Comment | ||
UCD52157 | Arctostaphylos manzanita | G. F. Hrusa | 1989-2-7 | 5807 | Colusa | Road to Cedar Mtn., along Little Stony Creek, approx. 3 miles above junction with Stonyford-Lodoga Rd. | 425 | Comment | ||
CHSC79496 | Arctostaphylos manzanita subsp. elegans | L. P. Janeway | 2000-5-31 | 6773 | Colusa | Inner North Coast Ranges. On top of Hornet Nest Ridge, between Hornet Nest Spring and Hornet Nest Hill; about 6.4 km southwest of Stonyford. | 884 | Comment | ||
HSC7627 | Arctostaphylos manzanita subsp. elegans | Freed W. Hoffman | 1948-6-28 | 2439 | Colusa | Road between Upper and Lower Letts Valleys | 1220 | Comment | ||
CAS-BOT-BC24378 | Arctostaphylos manzanita subsp. manzanita | Richard A. DeMartile | 1982-10-10 | s.n. | Colusa | Road between Ladoga and Goat Mountain Lookout. | 914 | Comment | ||
CAS-BOT-BC24379 | Arctostaphylos manzanita subsp. manzanita | A. A. Heller | 1940-2-14 | 15499 | Colusa | Three mi. e. of the North Fork of Cache Creek Bridge on State Hwy #20. | Comment | |||
CAS-BOT-BC24423 | Arctostaphylos manzanita subsp. manzanita | C. Hart Merriam | 1919-9-9 | s.n. | Colusa | Hershey, se. Colusa Co. | Comment | |||
CAS-BOT-BC24424 | Arctostaphylos manzanita subsp. manzanita | C. Hart Merriam | 1919-9-16 | s.n. | Colusa | Hershey, se. Colusa Co. | Comment | |||
SD247411 | Arctostaphylos manzanita subsp. manzanita | Ann Howald | 2003-3-11 | 2278 | Colusa | Inner North Coast Ranges: Indian Valley, east side of East Park Reservoir, peninsula ca. 2.2 miles north of Lodoga (Lodoga 7.5'Q) | 365 | Comment | ||
UCR261618 | Arctostaphylos manzanita subsp. manzanita | Ann Howald | 2003-3-11 | 2278 | Colusa | Inner North Coast Ranges, Indian Valley, east side of East Park Reservoir, peninsula c. 2.2 miles north of Lodoga | 365 | Comment | ||
UCD163861 | Arctostaphylos viscida | Craig D. Thomsen | 2001-5-31 | 2543 | Colusa | Bear Creek Canyon south of Sulphur Creek confluence. About 3 miles north of Hwy 20. | Comment | |||
UCD52469 | Arctostaphylos viscida | R. Robichaux | 1975-4-20 | 36 | Colusa | six miles northwest of Highway 20 on the north side of Walker Ridge road. | Comment | |||
UCD66999 | Arctostaphylos viscida | Craig D. Thomsen; Gordon Harrington | 2008-7-6 | 2781 -a | Colusa | BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Western side of ranch along trail that follows the border of Lake and Colusa counties. South of Dunsfield Flat, along ridge trail above Cache Creek Canyon. | 640 | Comment | ||
CDA38841 | Arctostaphylos viscida | G. D. Barbe | 1964-3-29 | 761 | Colusa | Three miles west of Bear Valley Road on Bartlett Springs Road at Lake/Colusa county line; west of Leesville. | Comment | |||
UCD58104 | Arctostaphylos viscida subsp. pulchella | Ellen Dean; G. Harrington and P. McIntyre | 2007-3-16 | 3351 | Colusa | Payne Ranch. Along Hwy. 20, just E of Lake Co. border. Ca. 3 road miles west of juncture with Hwy. 16, ca. 0.4 road mile east of Destanella Flat. South side of road. | 536 | Comment | ||
UCD81854 | Arctostaphylos viscida subsp. pulchella | Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia | 2009-5-27 | 5738 | Colusa | Walker Ridge. Along Walker Ridge Road. Lookout area with fence and view of Indian Valley Reservoir. North of turnoff to Indian Valley Reservoir and S of turnoff to picnic area. W side of road. | 1061 | Comment | ||
SBBG114895 | Arctostaphylos viscida subsp. viscida | C. Bornstein | 1999-3-19 | Colusa | Brim Rd | 396 | Comment Read comments Dec 10 2014 |
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JEPS81416 | Arenaria congesta var. crassula | L. R. Heckard and J. C. Hickman | 1982-7-9 | 6024 | Colusa | Goat Mt Goat Mt. (just east of Lookout) | 1859 | Comment | ||
UC1053477 | Argemone rotundata | Rimo Bacigalupi, Arthur Holmgren | 1950-4-26 | 3178 | Colusa | just w of base of the grade to Indian Valley (Bartlett Mountain Road), just w of Bear Valley, Inner North Coast Ranges Indian Valley; Inner North Coast Ranges | Comment | |||
UC624278 | Argemone rotundata | L. Constance | 1939-5-14 | 2490 | Colusa | 1 mi e of Mill Creek Ranger Station (Inner North Coast Ranges); Inner North Coast Ranges | 548 | Comment | ||
CHSC86865 | Aristida ternipes var. hamulosa | B. Castro | 2003-3-28 | 1405 | Colusa | Vicinity of Sites, hills N of the Sites-Lodoga Rd, and Stone Corral Creek. | 182 | Comment | ||
UCD146598 | Arnica discoidea | G. F. Hrusa | 1998-6-19 | 14615 | Colusa | North Coast Ranges. USFS Pacific Ridge Road, 4-5 km northwest of intersecion with Colus County Goat Mountain Road. | 1200 | Comment | ||
UCD66961 | Arnica discoidea | Ellen Dean; Davis Botanical Society | 2008-5-31 | 5005 | Colusa | west of I-5 at Maxwell, east slope of Goat Mountain, along Goat Mountain Road. | 1152 | Comment | ||
CAS-BOT-BC90262 | Artemisia douglasiana | J. H. Thomas | 1960-8-30 | 8862 | Colusa | About 2.4 miles NW of Sycamore on road to Colusa | Comment | |||
CHSC84932 | Artemisia douglasiana | Lowell Ahart | 2003-10-23 | 10660 | Colusa | Along Squaw Creek, just south of East Park Reservoir, about 1/8 mile northwest of Sites Lodoga Road, about 1 mile north of Lodoga, about 21 miles west of Maxwell. | 368 | Comment | ||
IRVC29848 | Artemisia douglasiana | Mark A. Elvin, David Isle, Mark S. Brunell | 2006-8-3 | 4994 | Colusa | Mendocino Nat. Forest; E face of Snow Mtn., Stony Creek along M10. Southern Northern Inner Coast Ranges | 610 | Comment | ||
JEPS110139 | Artemisia douglasiana | Lowell Ahart | 2006-8-9 | 13100 | Colusa | Gravel bar on the south side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford | 455 | Comment | ||
RSA718056 | Artemisia douglasiana | L. Ahart | 2006-8-9 | 13100 | Colusa | Gravel bar on the south side of Stony Creek, at Mine Camp, about 3.5 miles (air) west of Stonyford. | 455 | Comment | ||
UCD81224 | Artemisia douglasiana | Ellen Dean; K. Mawdsley, B. Rice, G. Harrington, and J. Alderson | 2009-5-6 | 5561 | Colusa | Payne Ranch, lands to the SW of the jct. of Hwys. 16 and 20. Destinella Flat area on the S side of Hwy. 20. Canyon to the south of Destanella Flat. | 443 | Comment | ||
UC971989 | Asclepias cordifolia | Herbert L. Mason | 1952-6-19 | 14302 | Colusa | Black Diamond Ridge Mendocino National Forest | 822 | Comment | ||
HSC87000 | Asclepias cordifolia | Brent Helm, Curtis Miller, Mark Steiger | 1988-4-16 | 73 | Colusa | 3.7 mi. W on Goat Mtn. Rd., off of Lodoga-Stonyford Rd. | 452 | Comment | ||
CHSC32203 | Asclepias fascicularis | James Jokerst | 1980-8-7 | 1072 | Colusa | North Coast Ranges. Near Snow Mountain (east). | Comment | |||
JEPS93867 | Asclepias fascicularis | Vernon H. Oswald and Lowell Ahart | 1998-7-15 | 9266 | Colusa | Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road | 487 | 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 | ||
HSC72214 | Asclepias solanoana | Thomas W. Nelson, Jane P. Nelson | 1980-6-24 | 5876 | Colusa | Along road to Snow Mtn. trail head at Summit Springs | 1585 | Comment | ||
UC424842 | Asclepias solanoana | Milo S. Baker | 1929-6-30 | 3472 b | Colusa | Snow Mt. Trail to Summit Springs (at Cedar Creek); Snow Mt., Cedar Creek | Comment | |||
JEPS95651 | Asclepias speciosa | Vernon H. Oswald and L. Ahart | 1999-6-18 | 9774 | Colusa | Fouts Springs Rd. (M10) 9.9 mi west of Stonyford-Elk Creek Rd.: T17N R7W Sect. 7, 2050 ft, chaparral, serpentine substrate. From a colony growing along the edge of a roadside seep. | 624 | Comment | ||
UCD164137 | Asclepias speciosa | Craig Thomsen | 2000-6-12 | 2364 | Colusa | Bear Valley. About 7 miles north of Hwy 20. | 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 | ||
CAS-BOT-BC478831 | Asparagus officinalis | Roxana Stinchfield | 1918-7-11 | 464 | Colusa | Davis Tule near Sycamore Slough | Comment | |||
JEPS95275 | Aspidotis densa | Vernon H. Oswald and Lowell Ahart | 1994-3-23 | 6014 | Colusa | S of Stonyford (Frenzel Creek Research Natural Area, S side of Litte Stony Creek, in the section on the E side of creek) | 518 | Comment | ||
UCD58179 | Astragalus clevelandii | Gordon Harrington | 2007-5-31 | 69 | Colusa | BLM Payne Ranch. Lands to the SW of the intersection of Hwy 16 and Hwy 20. Along Thompson Creek, approximately 3/4 mile downstream from Road Kill Cafe. | 357 | Comment | ||
CAS-BOT-BC178664 | Astragalus clevelandii | G. L. Stebbins | 1972-6-25 | 8099 | Colusa | Ravine below Black Diamond Glade, 4 miles northwest of Stonyford | 411 | Comment | ||
HSC72171 | Astragalus gambelianus | Thomas W. Nelson, Jane P. Nelson | 1978-4-2 | 9548 | Colusa | Bear Valley Rd., 1.3 mi. from its junction with Hwy. 20 | 366 | Comment | ||
JEPS120976 | Astragalus gambelianus | Lowell Ahart, John Dittes, Josephine Guardino | 2013-4-26 | 18633 | Colusa | On N side of Hwy 20, just E of Lake County Line, 12.2 air miles ENE of town of Clear Lake, 17.1 air miles W of Williams. | Comment | |||
UC71640 | Astragalus gambelianus | Miss Alice King | 1905-1 | Colusa | College City | Comment | ||||
UCD163330 | Astragalus gambelianus | Craig D. Thomsen | 2009-5-3 | 2799 | Colusa | Walker Ridge. Vicinity of Walker Ridge Rd., 0.5 miles north of Hwy 20. | Comment | |||
UCSC0010466 | Astragalus gambelianus | Dylan M. Neubauer, Tim Forsell | 2016-3-31 | 597 | Colusa | (NCoRI) Walker Ridge, Walker Ridge Road, 1.78 air-miles sse Cold Spring Mountain | 815 | Comment | ||
CAS-BOT-BC193115 | Astragalus rattanii var. jepsonianus | Alice Eastwood; John Thomas Howell | 1938-5-16 | 5634 | Colusa | Lake - Colusa Co. line on road to Williams | Comment | |||
CHSC112270 | Astragalus rattanii var. jepsonianus | Lowell Ahart; John Dittes, Josephine Guardino | 2013-4-26 | 18634 | Colusa | Inner North Coast Range. North side of State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 566 | Comment | ||
UC863114 | Astragalus rattanii var. jepsonianus | Alice Eastwood, John Thomas Howell | 1938-5-16 | 5634 | Colusa | Lake--Colusa County line on road to Williams; road to Williams | Comment | |||
UCD15422 | Astragalus rattanii var. jepsonianus | Margit Sands | 1985-4-13 | 25 | Colusa | in Bear Valley, 3.8 miles north of Wilbur Hot Springs rd.; | 390 | Comment | ||
UCD169731 | Astragalus rattanii var. jepsonianus | Richard R. Halse | 2013-3-27 | 8764 | Colusa | Along State Hwy. 20 just east of the Colusa/Lake County Line, ca. 14.6 miles east of the junction of State Hwys. 20 and 53. | 558 | Comment | ||
UCD56928 | Astragalus rattanii var. jepsonianus | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3531 | Colusa | BLM Payne Ranch. Southwest of intersection of Hwy. 16 and Hwy. 20. Saddle between Craig and Thompson Canyons. | 394 | Comment | ||
UCD63037 | Astragalus rattanii var. jepsonianus | Ellen Dean; Marjorie Phan and Gerald Dickinson | 2008-4-27 | 4883 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Along unnamed tributary of Bear Creek. | 322 | Comment | ||
UCD63923 | Astragalus rattanii var. jepsonianus | Craig D. Thomsen | 2002-2-27 | 2576 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | 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 | ||
SEINET4680474 | Astragalus rattanii var. jepsonianus | D. W. McNeal | 1988-3-31 | 3237 | Colusa | On a hillside above Bear Valley Rd., 0.6 mi NW of Hwy #20.; 0 | Comment | |||
JEPS80461 | Athyrium filix-femina var. cyclosorum | Alice Q. Howard | 1972-7-10 | Colusa | trail from Fouts Camp to Box Springs (n side of ridge seaprating Trout and Paradise Creeks); Snow Mt | 1676 | Comment | |||
UCD64044 | Athysanus pusillus | Craig D. Thomsen | 2000-3-8 | 2036 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UCR256431 | Athysanus pusillus | Richard R. Halse | 2013-3-27 | 8763 | Colusa | along State Hwy 20 just east of the Colusa/Lake Co. line, c. 14.6 mi east of the junction of State Hwys 20 and 53 | 558 | Comment | ||
CAS-BOT-BC17403 | Athysanus pusillus | Volney Rattan | 1884-1-1 | s.n. | Colusa | Unspecified. | Comment | |||
UC1609126 | Atriplex coronata | Vernon H. Oswald, Mike Wolder and Joe Silveira | 1993-7-26 | 5701 | Colusa | ca 5 mi s Colusa (ca 1 mi n of Ware Rd., ca 1 mi w of Ohm Rd., Tract 18 on the s side of the Colusa National Wildlife Refuge); s side Colusa National Wildlife Refuge, s of Colusa | 15 | Comment | ||
CHSC61039 | Atriplex depressa | Vernon H. Oswald; Mike Wolder, Joe Silveira | 1993-7-26 | 5703 | Colusa | Colusa National Wildlife Refuge. W side of Pool 3 on the S end of the refuge near Ohm Rd., ca. 2 mi N of Ware Rd., ca. 5 mi S of Colusa. | 15 | Comment | ||
JEPS90596 | Atriplex depressa | Dean W. Taylor | 1993-8-31 | 14069 | Colusa | dry vernal pool ca 200 mi e North Fork Logan Creek (Logandale 7 1/2' USGS quadrangle); Sacramento Valley, Sacramento National Wildlife Refuge | 24 | Comment | ||
RSA747234 | Atriplex fruticulosa | George K. Helmkamp, E. Helmkamp | 2008-10-14 | 14250 | Colusa | Sacramento Valley: along CA-20, 0.2 mile east of the Sutter County Line | 9 | Comment | ||
UCD97461 | Atriplex joaquinana | A. A. Heller | 1916-6-9 | 12394 | Colusa | near Williams. | Comment | |||
JEPS108755 | Atriplex rosea | Lowell Ahart | 2006-9-26 | 13346 | Colusa | Between the deep ditch and the Delevan National Wildlife Refuge, north side of Maxwell Road, about 3 miles west of Colusa Princeton Road, about 5 1/2 miles east of Maxwell | 24 | Comment | ||
JEPS90603 | Atriplex rosea | Dean W. Taylor | 1989-8-4 | 10422 | Colusa | Colusa National Wildlife Refuge Great Central Valley (along Ohm Road) | 39 | Comment | ||
UCD57056 | Avena barbata | Ellen Dean; C. Thomsen, S. Bledsoe, J. Alderson, M. Starbuck | 2007-4-7 | 3644 | Colusa | BLM Payne Ranch, mouth of Craig Canyon, along unimproved road, about 2 road miles south of junction of Hwy 20 and Hwy 16. . | 316 | Comment | ||
UCD66443 | Avena fatua | Craig D. Thomsen | 2000-4-28 | 2212 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, on south side of Hwy 20, ca. 0.25 mile west of Hwy 20/16 instersection, near Colusa Co. milepost 3.00. | 310 | Comment | ||
UCD66912 | Avena fatua | Craig D. Thomsen | 2008-4-27 | s.n. | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Slopes to the northwest of Eula Canyon and WNW of Cowboy Camp on the west side of Bear Creek. | 451 | Comment | ||
UCD82112 | Avena fatua | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5640 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 839 | Comment | ||
RSA726847 | Azolla filiculoides | Lowell A. Ahart | 2007-7-7 | 14260 | Colusa | About 1.25 miles east of River Road, about 17 miles west of Gridley. | 20 | Comment | ||
CHSC46039 | Azolla microphylla | Lowell Ahart | 1975-1-25 | 699 | Colusa | On the south side of Norman Road, about 1 mile west of Princeton. | 30 | Comment | ||
UCR201551 | Baccharis pilularis | George K. Helmkamp, E. A. Helmkamp | 2008-10-14 | 14260 | Colusa | Sacramento Valley, along River Road (generally following the Sacramento River), 1.1 miles north of Colusa | 18 | Comment | ||
CHSC98782 | Baccharis salicifolia | Richard R. Halse | 2007-3-25 | 7134 | Colusa | Along State Hwy. 20 ca. 7.8 miles northeast of its junction with State Hwy. 16, at base of Salt Canyon. Along Salt Creek. | 100 | Comment | ||
HSC79084 | Baccharis salicifolia | C. G. Phillips, L. Cole, S. A. Haultain, K. B. Barrows | 1984-4-29 | 30 | Colusa | Mendocino National Forest, Digger Pine Campground, 10 miles SW of Stonyford via Lodoga-Stonyford and Goat Mtn. Rd. | 457 | Comment | ||
HSC87058 | Baccharis salicifolia | Pat Daly, Rudy Galindo | 1988-4-16 | 53 | Colusa | 3.7 miles west on Goat Mountain Rd. off of Lodoga-Stonyford Rd. to Digger Pine Campground; Stony Creek, .5 mile from campground | 452 | Comment | ||
CAS-BOT-BC100067 | Balsamorhiza macrolepis | B. Castro; B. Corbin; K. Earll; L. Hanson; D. Isle; L. P. Janeway | 1995-4-28 | 564 | Colusa | Ca 18 air mi due W of Williams, on Walker Ridge just W of Walker Ridge Rd, ca 0.5 mi S of jcn Bartlett Springs Rd and | 716 | Comment | ||
OBI54577 | Balsamorhiza macrolepis var. macrolepis | B. Castro, B. Corbin, K Earll, L. Hanson, D. Isle, L. P. Janeway | 1995-4-28 | 564 | Colusa | Ca. 18 air mi due W of Williams, on Walker ridge just W of Walker Ridge rd., ca 0.5 mi S of jctn Bartlett Springs rd and Walker ridge Rd. (Site is a few hundred feet E of Lake co line.) | 716 | Comment | ||
CDA396 | Bassia hyssopifolia | L. Ahart | 2003-8-15 | 10509 | Colusa | On the south side oof Highway 20, about 1 mile southwest of Williams. | Comment | |||
UC1191425 | Bassia hyssopifolia | Herbert L. Mason | 1946-8-6 | 12958 | Colusa | pond on Colusa-Marysville Highway four mi s Colusa (w side of Sacramento River); w side of Sacramento River | Comment | |||
UCD38965 | Bassia hyssopifolia | Beecher Crampton | 1961-7-20 | 5934 | Colusa | 4 miles SE of Grimes, along Knight's Landing Road. | Comment | |||
UCD97545 | Bassia hyssopifolia | Beecher Crampton | 1963-8-3 | 6868 | Colusa | 1/4 mile east of Cortena. | Comment | |||
HSC90794 | Bergia texana | Barbara Ertter, Elizabeth Neese, Laura Fujii, Dawn Espindola | 1989-10-21 | 8869 | Colusa | SE end of E Park Reservoir N of Lodoga | 366 | Comment | ||
JEPS104404 | Bergia texana | Lowell Ahart | 2003-10-23 | 10670 | Colusa | On the e strand of East Park Reservoir, ca 1/8 mi nw of Sites Lodoga Rd, ca 1 mi n of Lodoga, ca 21 mi w of Maxwell. | 368 | Comment | ||
UC1192266 | Bergia texana | Herbert L. Mason, Verne Grant | 1946-8-6 | 12967 | Colusa | Pond 2.7 miles north of Colusa between Sacramento River and Butte Creek | Comment | |||
RSA724819 | Bidens frondosa | L. Ahart | 2006-9-26 | 13344 | Colusa | South side of the Delevan National Wildlife Refuge, north side of Maxwell Road, about 3 miles west of Colusa Princeton Road, about 5.5 miles east of Maxwell. | 24 | Comment | ||
POM288398 | Blennosperma nanum | Lyman Benson | 1935-3-27 | 6332 | Colusa | 6 miles west of Williams. | 213 | Comment | ||
CAS-BOT-BC100260 | Blennosperma nanum var. nanum | Roxana S. Ferris | 1917-4-12 | 498 | Colusa | 4 miles East of Williams | Comment | |||
JEPS15548 | Boechera repanda | G. Thomas Robbins with L. R. Heckard | 1956-7-25 | 3705 | Colusa | along trail due s Snow Mt. East (and skirting the e base of the ridge forming Snow Mt. West); Snow Mt. West | 1981 | Comment | ||
CHSC117121 | Boehmeria cylindrica | B. Castro; Tom Boullion | 2009-9-29 | 1800 G-2 | Colusa | Sacramento Valley. Ca 8 air mi SE of Colusa, via Buster Rd off Hwy 45, just W of Ogden Bend on W bank of the Sacramento River at RM 130.8. | 17 | Comment | ||
CHSC117123 | Boehmeria cylindrica | B. Castro; Tom Boullion | 2009-8-24 | 1800 G-1 | Colusa | Sacramento Valley. Ca 8 air mi SE of Colusa, via Buster Rd off Hwy 45, just W of Ogden Bend on W bank of the Sacramento River at RM 130.8. | 17 | Comment | ||
CDA38638 | Boehmeria cylindrica | Dave Brown | 2012-9-12 | PDR# 060 P06089084 | Colusa | Colusa; Sacramento River Recreation Area. | 0 | Comment | ||
CHSC84931 | Bolboschoenus glaucus | Lowell Ahart | 2003-10-23 | 10672 | Colusa | Along Squaw Creek, just south of East Park Reservoir, about 1/8 mile northwest of Sites Lodoga Road, about 1 mile north of Lodoga, about 21 miles west of Maxwell. | 368 | Comment | ||
JEPS101904 | Bolboschoenus glaucus | Dean W. Taylor | 1989-8-4 | 10420 | Colusa | Colusa National Wildlife Refuge, along Ohm Road | 39 | Comment | ||
CHSC57146 | Bolboschoenus maritimus | K. R. Stern | 1980-6-1 | 6641 | Colusa | Vernal pool, south-central border area of Colusa Wildlife Refuge. | 45 | Comment | ||
UC1100921 | Bolboschoenus maritimus | Herbert L. Mason, Verne Grant | 1946-8-13 | 13013 | Colusa | on Williams highway by bridge two mi w Colusa (Butte Sink); , w of Colusa | Comment | |||
CAS-BOT-BC322142 | Bolboschoenus maritimus | Peter Rubtzoff | 1965-9-14 | 5651 | Colusa | 4.5 miles from Hwy. 20 on the road to Wilbur Springs. | Comment | |||
UCD140026 | Bolboschoenus maritimus subsp. paludosus | P. B. Kennedy | 30-31 May 1922 | s.n. | Colusa | Near Cortina. | Comment | |||
UCR206539 | Brassica rapa | George K. Helmkamp, E. A. Helmkamp | 2009-1-31 | 14313 | Colusa | Sacramento Valley, junction of Moon Bend Road and CA-20 at the south end of the city of Colusa | 23 | Comment | ||
JEPS108909 | Brickellia californica | Lowell Ahart | 2006-8-9 | 13110 | Colusa | Gravel bar on the south side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford | 422 | Comment | ||
RSA718047 | Brickellia californica | L. Ahart | 2006-8-9 | 13110 | Colusa | On the south side of Stony Creek, at Mine Camp, about 3.5 miles (air) west of stonyford. | 422 | Comment | ||
JEPS80803 | Brickellia grandiflora | L. R. Heckard and J. C. Hickman | 1981-7-30 | 5773 A | Colusa | at e summit of ridge running e of (about 1.7 km. air miles from) West Peak (Snow Mt); Snow Mt. | 2042 | Comment | ||
JEPS75869 | Brickellia greenei | L. R. Heckard | 1974-9-10 | 3879 | Colusa | along e trail, se of saddle between peaks Circle Trail | 2011 | Comment | ||
UCD82536 | Briza maxima | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5688 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 843 | 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 | ||
SEINET7296497 | Bromus anomalus | Helen K. Sharsmith | 1953-1 | 4266 | Colusa | Near confluence of North and Middle forks of Stoney Creek, Red Bridge Camp, Mendocino National Forest. | 549 | Comment | ||
JEPS110141 | Bromus arenarius | Lowell Ahart | 2006-8-22 | 13216 | Colusa | South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford | 349 | Comment | ||
SEINET10822097 | Bromus arenarius | Lowell Ahart | 2006-8-22 | Ahart 13216 | Colusa | T18N, R6W, between the southwest 1/4 and southeast 1/4 of Section 29. South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford. | 349 | Comment | ||
CAS-BOT-BC149477 | Bromus carinatus var. carinatus | F. P. Cronemiller | 1924-5-12 | 877 | Colusa | Below Lower Letts Valley. | 1219 | Comment | ||
JEPS80216 | Bromus carinatus var. carinatus | L. R. Heckard and J. Hickman | 1980-7-3 | 5372 | Colusa | near Summit Springs (sw slope of Snow Mountain); Snow Mountain | 1554 | Comment | ||
CAS-BOT-BC155997 | Bromus diandrus | Roxana S. Ferris | 1926-4-21 | 6277 | Colusa | Sycamore Slough 2 miles from Sycamore. | Comment | |||
SEINET3922244 | Bromus diandrus | S. Bowie, J. Lopez; D. Riess | 1994-4-23 | 171 | Colusa | Leesville Quadrangle, Walker Ridge (BLM property). Collected along Bear Valley Road in Bear Valley, approx. 2.1 km south of intersection with Brimm Road.; 0 | 663 | Comment | ||
CAS-BOT-BC155497 | Bromus hordeaceus | Roxana S. Ferris | 1917-4-17 | 613 | Colusa | Sycamore Slough. | Comment | |||
JEPS80197 | Bromus hordeaceus | L. R. Heckard and J. Hickman | 1980-7-3 | 5351 | Colusa | 10 mi w of Stonyford (just w of Summit Springs, sw of Snow Mountain) | 1548 | Comment | ||
UCD37832 | Bromus hordeaceus | Beecher Crampton | 1962-4-17 | 6222 | Colusa | 3.3 miles north of College City. | Comment | |||
UCD58684 | Bromus hordeaceus | A. A. Beetle | 1942-5-21 | 3272 | Colusa | 12 miles north of Williams. | Comment | |||
UCD58711 | Bromus hordeaceus | Beecher Crampton | 1962-4-17 | 6222 | Colusa | 3.3 miles north of College City. | Comment | |||
JEPS80797 | Bromus laevipes | L. R. Heckard and J. C. Hickman | 1981-7-30 | 5767 | Colusa | se side of Snow Mountain, along Trout Creek Trout Creek; Snow Mountain, Trout Creek | 1554 | Comment | ||
UCR212307 | Bromus laevipes | Craig D. Thomsen | 2001-5-24 | 2531 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, south side of Hwy 20, c. 0.5 mi west of Hwy 20/16 intersection (between mileposts 2.17 and 2.63) | 325 | Comment | ||
CHSC112028 | Bromus laevipes | David Isle; Doug Johnson | 1988-5-11 | 2089 | Colusa | Mendocino National Forest. Little Stony Road (Goat Mtn Rd). | 426 | Comment | ||
CDA16100 | Bromus madritensis subsp. rubens | G. F. Hrusa | 1999-5-16 | 15043 | Colusa | North Coast Ranges; Slopes above Fouts Springs, on serpentine, immediately below Verbena spring. Few on roadside, scattered here, dominant in a few sites. Annual. | 594 | Comment | ||
HSC72175 | Bromus madritensis subsp. rubens | Thomas W. Nelson, Jane P. Nelson | 1978-4-2 | 9552 | Colusa | Bear Valley Rd., 1.3 mi. from its junction with Hwy. 20 | 366 | Comment | ||
SEINET244463 | Bromus rubens | Richard R. Halse | 2002-3-21 | 6130 | Colusa | Williams; by junction on 5th Street and B Street; | 24 | Comment | ||
SEINET3923292 | Bromus rubens | Christopher Knopp | 1978-4-22 | 17 | Colusa | Wilbur Springs Quad. Bear Valley Road 1.5 miles from its junction with State Route 20.; 0 | 411 | Comment | ||
UC1543019 | Bromus tectorum | Donald G. Nelson et. al. | 1940-6-8 | 686 | Colusa | w boundary Snow Mountain, east not far from summit Snow Mountain; w boundary Snow Mountain | 1981 | Comment | ||
UCD65632 | Bromus tectorum | Craig D. Thomsen | 2000-4-12 | 2133 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, on south side of Hwy 20, ca. 0.25 mile west of Hwy 20/16 instersection, near Colusa Co. milepost 3.00. | 310 | Comment | ||
UCD67035 | Bromus tectorum | Ellen Dean; Davis Botanical Society | 2008-5-31 | 5016 | Colusa | west of I-5 at Maxwell, Goat Mountain, ridge below summit off of Goat Mountain Road. | 1734 | Comment | ||
SEINET3923568 | Bromus tectorum | S. Bowie, J. Lopez; D. Riess | 1994-4-23 | 0172 | Colusa | Leesville Quadrangle, Walker Ridge (BLM property). Collected along Bear Valley Road in Bear Valley, approx. 2.1 km south of intersection with Brimm Road.; 0 | 663 | Comment | ||
CAS-BOT-BC273300 | Cacaliopsis nardosmia | J. M. Tucker; John Tothill | 1959-5-30 | 3527 | Colusa | Road between Goat Mountain Lookout and Upper Letts Valley (ca. 2 1/2 miles, airline, north of the lookout), Goat Mountain | 1524 | Comment | ||
UC1183418 | Cacaliopsis nardosmia | J. M. Tucker and John Tothill | 1959-5-30 | 3527 | Colusa | Road between Goat Mountain Lookout, Goat Mountain and upper Letts Valley (ca. 2.5 mi air n of lookout) | Comment | |||
CHSC112207 | Calandrinia breweri | Lowell Ahart | 2013-5-1 | 18673 | Colusa | Inner North Coast Range. On the north side of State Highway 20, just east of Lake County Line, 12.2 mile (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 566 | Comment | ||
CHSC59333 | Calandrinia ciliata | Mark Hershkovitz | 1991-5-3 | Colusa | Bear Valley, along Bear Valley Rd. Plants common near fenceline in central region of valley. | Comment | ||||
HSC72159 | Calandrinia ciliata | J. P. Smith, Thomas W. Nelson, Jane P. Nelson | 1978-4-2 | 9534 | Colusa | Bear Valley Rd., 1.3 mi. from its junction with Hwy. 20 | 366 | Comment | ||
SEINET3872957 | Calandrinia ciliata | Richard R. Halse | 2010-3-20 | 7825 | Colusa | Along State Hwy 45 ca 10 miles north of Colusa (junction of State Hwys. 45 & 20).; 0 | 22 | Comment | ||
SEINET7096749 | Calandrinia ciliata | A. G. Vestal | 1955-4-5 | s.n. | Colusa | Along Route 16 about 0.2 miles south of Route 20 and near Bear Creek. NAD27, 39? deg. 00' 36ao, -122?_ 21' 22ao (converted to WGS84 decimal degrees) | Comment | |||
UCD57308 | Calandrinia ciliata | Ellen Dean; C. Thomsen, S. Bledsoe, J. Alderson, M. Starbuck | 2007-4-7 | 3679 | Colusa | BLM Payne Ranch. Lands to the southwest of junction of Hwy. 20 and Hwy. 16. Thompson Canyon, near juncture with Craig Canyon. | 362 | Comment | ||
HSC72115 | Calandrinia ciliata | J. P. Smith, Jane P. Nelson, Thomas W. Nelson | 1978-4-2 | 9530 | Colusa | Bear Valley Rd., 5 mi. from its junction with Hwy. 20 | 390 | Comment | ||
UCD82342 | Calandrinia ciliata | Robin McMaster | 1973-4-15 | 332 | Colusa | middle of Bear Valley. | Comment | |||
CAS-BOT-BC167285 | California macrophylla | Roxana S. Ferris | 1926-4-23 | 6406 | Colusa | Grade beyond the Mountain House on Williams - Stonyford Road | Comment | |||
CHSC60670 | Callitriche marginata | Vernon H. Oswald | 1993-4-14 | 5261 | Colusa | W side of O'Hair Rd., just S of Hwy. 20, Colusa National Wildlife Refuge, SW of Colusa. On the bottom of a depression in a field along the road. | 18 | Comment | ||
UC725389 | Calochortus amabilis | A. A. Heller | 1940-5-6 | 15577 | Colusa | 2 mi w Highway 16 junction with State Highway 20 (on State Highway 20) | Comment | |||
UCD56677 | Calochortus amabilis | Jack Alderson | 2007-3-25 | 13 | Colusa | BLM Payne Ranch. Destinella Flat area, just E of the Lake County border, ca. 3.4 road miles along Hwy 20 from the junction of Hwy 16 and Hwy 20. South side of Hwy 20. | 570 | Comment | ||
CAS-BOT-BC492124 | Calochortus amabilis | Roxana S. Ferris | 1926-4-23 | 6447 | Colusa | Grapevine grade between Stonyford and Sites | Comment | |||
CDA39298 | Calochortus amabilis | T. C. Fuller | 1958-5-27 | s.n. | Colusa | South of Highway 20, 1 mile west of junction with Highway 16. | 0 | Comment | ||
UC1733772 | Calochortus luteus | Kay H. Beach | 1940-5-16 | 659 | Colusa | Colusa and Lake county line | Comment | |||
CAS-BOT-BC491929 | Calochortus luteus | J. Clausen | 1935-5-20 | 1011 | Colusa | 18 miles west of Williams on Bartlett Springs road | Comment | |||
CAS-BOT-BC491930 | Calochortus luteus | J. Clausen | 1935-5-20 | 1011 | Colusa | 18 miles west of Williams on Bartlett Springs road | Comment | |||
CHSC80106 | Calochortus splendens | L. P. Janeway; Joyce Lacey-Rickert | 2000-6-1 | 6779 | Colusa | Vicinity of Grapevine Creek, Scotties Canyon, and Rena Canyon. | 243 | Comment | ||
UCD63117 | Calochortus splendens | Ellen Dean; G. Harrington, C. Thomsen, S. Harrison | 2008-5-18 | 4948 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Unnamed drainage south of Hwy 20 between Hwy 16 and Lynch Canyon that drains to Bear Creek by passing under Hwy 20. | 401 | Comment | ||
UCR228282 | Calochortus splendens | Ellen Dean, Gordon Harrington, Craig D. Thomsen, S. Harrison | 2008-5-18 | 4948 | Colusa | Payne Ranch, owned by BLM, lands to the southwest of the intersection of Hwys 20 and 16. Unnamed drainage south of Hwy 20 between Hwy 16 and Lynch Canyon that drains to Bear Creek by passing under Hwy 20 | 402 | Comment | ||
UC1187346 | Calochortus splendens | Herbert L. Mason | 1961-5-21 | 15075 | Colusa | Mouth of Bear Valley | Comment | |||
CHSC53987 | Calochortus uniflorus | Vernon H. Oswald | 1991-4-21 | 4523 | Colusa | Bear Valley Rd in Bear Valley, 4.6 mi south of Brim Rd (Bartlett Springs Rd), west of Williams. | 417 | Comment | ||
HSC97061 | Calochortus vestae | J. Carey, A. Hong, J. Leffingwell | 1995-5-7 | 88 | Colusa | 2.25 mi. SE on Leesville-Williams Rd. from its junction with Bear Valley Rd. | 396 | Comment | ||
UC1971752 | Calycadenia micrantha | R. L. Carr | 1994-9-23 | 2656 | Colusa | Wilson Camp, SE of Stoneyford, near the Colusa/Lake county line, ca. 3 air mi SE of Goat Mountain | Comment | |||
UCD69191 | Calycadenia multiglandulosa | P. Rodriguez-Rojo; D. Sanchez-Mata | 1997-7-25 | s.n. | Colusa | Clear Lake-Williams. Southward Bear Valley Rd. D | 415 | Comment | ||
CAS-BOT-BC270757 | Calycadenia pauciflora | Volney Rattan | 1884-6-1 | s.n. | Colusa | Stony Creek | Comment | |||
UC1552845 | Calycadenia pauciflora | Frederica Bowcutt | 1985-6-19 | 605 | Colusa | just sw, n of Wilbur Hot Springs about 2 air miles Bear Valley | Comment | |||
UCD146725 | Calycadenia pauciflora | G. F. Hrusa | 1998-6-19 | 14595 | Colusa | Inner North Coast Ranges. Along Little Stony Creek, on Goat Mountain Road. Around 1/2 km west of intersection with Lodoga-Stonford Road. | 400 | Comment | ||
UCD61447 | Calycadenia pauciflora | Ellen Dean; G. Harrington, N. Voegtly, J. Alderson, C. Thomsen | 2007-6-24 | 3892 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwy 16 and Hwy 20. West of BLM equestrian parking lot (Cowboy Camp) on west side of Bear Creek. Approximately 1500 ft NW of parking lot. | 368 | Comment | ||
UCD82487 | Calycadenia pauciflora | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5673 a | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 869 | Comment | ||
CAS-BOT-BC270742 | Calycadenia pauciflora | Gerald D. Carr | 1972-8-2 | 723 | Colusa | 0.6 mile W of Leesville - Lodoga Road on road to Cook's Springs | Comment | |||
CAS-BOT-BC270743 | Calycadenia pauciflora | Gerald D. Carr | 1972-7-29 | 717 | Colusa | 8.7 miles N of Highway 20 on Bear Valley Road, along banks of Bear Creek | Comment | |||
CAS-BOT-BC270748 | Calycadenia pauciflora | Gerald D. Carr | 1971-7-29 | 605 | Colusa | 1.7 miles W of Lodoga on road to Stoneyford | 411 | Comment | ||
CAS-BOT-BC270754 | Calycadenia pauciflora | Gerald D. Carr | 1971-9-14 | 652 | Colusa | 3.6 miles SW of Leesville on Bartlett Springs Road | 518 | Comment | ||
CAS-BOT-BC270756 | Calycadenia pauciflora | H. M. Hall | 1930-10-3 | 12936 | Colusa | 2 miles S of Stoneyford | Comment | |||
RSA255559 | Calycadenia pauciflora | Gerald D. Carr | 1972-7-29 | 721 | Colusa | 3.1 miles south of Bartlett Springs road on Walker Ridge Road, Buck Flat | 869 | Comment | ||
UC1876242 | Calycadenia pauciflora | Gerald D. Carr | 1972-8-2 | 723 | Colusa | 0.6 mi W of Leesville-Lodoga Rd. on road to Cooks Springs. | Comment | |||
UC1876243 | Calycadenia pauciflora | Gerald D. Carr | 1972-7-29 | 720 | Colusa | 0.3 mi E of Lake Co. line on Bartlett Springs Rd. | Comment | |||
UC1876635 | Calycadenia pauciflora | Gerald D. Carr | 1971-9-14 | 652 | Colusa | 3.6 mi SW of Leesville on road to Bartlett Spr. Rd. | 518 | Comment | ||
UC1876636 | Calycadenia pauciflora | Gerald D. Carr | 1971-9-14 | 651 | Colusa | 2.0 mi SW of Leesville on road to Bartlett Spr. | Comment | |||
UCD129807 | Calycadenia pauciflora | Gerald D. Carr | 1971-7-29 | 608 | Colusa | 1 miles south of Stoneyford on road to Lodoga. | 365 | Comment | ||
UCD129891 | Calycadenia pauciflora | Gerald D. Carr | 1971-9-14 | 651 | Colusa | 2.0 miles southwest o Leesville on road to Bartlett Springs. | Comment | |||
UCD129893 | Calycadenia pauciflora | Gerald D. Carr | 1971-9-14 | 652 | Colusa | 3.6 miles southwest of Leesville on Bartlett Springs. | 518 | Comment | ||
HSC72507 | Calyptridium quadripetalum | Thomas W. Nelson, Jane P. Nelson | 1980-6-24 | 5880 | Colusa | Along road to Snow Mtn. trail head at Summit Springs | 1585 | Comment | ||
UCD82524 | Calyptridium quadripetalum | Craig Thomsen; G. Harrington | 2009-5-12 | 2881 | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. East facing hillslope above (west border) Eaton Springs meadow complex. | 722 | Comment | ||
CHSC70485 | Calystegia collina | R. A. Schlising; T. Spira | 1978-5-13 | 3233 | Colusa | Just E of Lake County line, along Hwy 20. | Comment | |||
UCD163873 | Calystegia collina subsp. collina | Craig D. Thomsen | 2000-5-11 | 2307 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way on south side of Hwy 20, about 1.5 mile west of Hwy 20/16 instersection. | Comment | |||
UCD57719 | Calystegia collina subsp. collina | Jordan Thompson; with Plant Biology 102 | 2007-4-29 | 2 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Central/Eastern part of ranch. Craig Canyon. North side of Craig Creek on south side of unimproved road. | 335 | Comment Read comments Feb 20 2009 |
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CHSC70976 | Calystegia collina subsp. oxyphylla | Vernon Oswald; Lowell Ahart | 1998-5-7 | 9000 | Colusa | Barlett Springs Rod. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. | 524 | Comment | ||
RSA800324 | Calystegia collina subsp. oxyphylla | Sandra M. Namoff, Eric R. Carter | 2013-6-16 | 79 | Colusa | North of Hwy. 20 take Bear Valley Rd to Brim Rd, population is 0.2 miles NE of intersection of Brim Rd and Bartlett Springs Rd. | 648 | Comment | ||
UCD82493 | Calystegia collina subsp. oxyphylla | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5682 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 843 | Comment | ||
JEPS81301 | Calystegia occidentalis subsp. occidentalis | L. R. Heckard and J. C. Hickman | 1982-7-5 | 5915 | Colusa | slope below Summit Springs, S side Snow Mountain | Comment | |||
RSA261450 | Camassia leichtlinii subsp. suksdorfii | J. M. Tucker, L. K. Mann | 1959-5-30 | 3531 | Colusa | Small lake in Mill Valley, ca. 1/4 mile northwest of Lower Letts Valley, and ca. 4 miles, airline, north of Goat Mountain Lookout | 1220 | Comment | ||
CHSC100287 | Camassia quamash | David Isle | 1990-6-6 | 1517 | Colusa | Mendocino National Forest - North Coast Ranges Middle Fork Stony Creek Watershed. East end Upper Summit Valley 'lake' edge, MDMB (South of Road 17N10). | 1694 | Comment | ||
JEPS80384 | Camassia quamash subsp. quamash | L. R. Heckard and J. Hickman | 1981-6-22 | 5617 | Colusa | Snow Mountain, Dark Hollow Creek Dark Hollow Creek; Snow Mountain, Dark Hollow Creek | 1889 | Comment | ||
UC71985 | Camissonia contorta | Miss M. Alice King | 1905-1 | Colusa | near College City; Sacramento Valley | Comment | ||||
HSC72156 | Camissonia graciliflora | J. P. Smith, Thomas W. Nelson, Jane P. Nelson | 1978-4-2 | 9544 | Colusa | Bear Valley Rd., 1.3 mi. from its junction with Hwy. 20 | 366 | Comment | ||
POM271975 | Camissonia graciliflora | Lyman Benson | 1935-3-27 | 6328 | Colusa | 8 miles E of Lake County line, inner N coast mt. range, Sacramento River watershed | 305 | Comment | ||
HSC45729 | Camissonia ignota | Mark Flippo | 1978-4-22 | 15 | Colusa | Bear Valley Rd., 1.5 mi. from its jct. with Hwy. 20 | 412 | Comment | ||
CDA15476 | Camissoniopsis hirtella | G. F. Hrusa, WTD | 1998-6-19 | 14613 | Colusa | North Coast Ranges; Above upper Little Stony Creek. Goat Mtn. Rd. ~ 1.5 km. W of of campground. | Comment | |||
CDA38025 | Camissoniopsis hirtella | Vernon H. Oswald & Lowell Ahart | 1998-5-7 | 9004 | Colusa | Bartlett Springs Road, 2.1 miles west of Bear Valley Road, 0.8 mile east of Sawtelle Valley and Grapevine Flat Roads. | Comment | |||
UCR238927 | Capsella bursa-pastoris | George K. Helmkamp, E. A. Helmkamp | 2012-2-9 | 18532 | Colusa | Sacramento Valley, River Road, 7.1 miles north of Colusa; east side of Sacramento River | 18 | Comment | ||
CAS-BOT-BC37028 | Capsella bursa-pastoris | Jeanne McFarland; Kathie Meyer; Anne Mullenniex | 1995-4-9 | 32 | Colusa | At intersection of Rim Road with Bear Valley Road. | 350 | Comment | ||
RSA0116218 | Cardaria chalepensis | David W. Isle | 2007-4-13 | 1633 | Colusa | About 1 mile east of Maxwell; south of Maxwell Road and east of Lyons Road in ditch between rice fields east of William Dirk s shop. | 30 | Comment | ||
CHSC107961 | Carduus pycnocephalus | B. Castro; Robin Carter, Jessica Boyt | 2011-4-25 | 1848 | Colusa | Sacramento Valley. Extreme W edge of Sacramento Valley; 5 air mi NW of Maxwell, 0.6 mi southeast of Funks Reservoir and 130 ft east of Tehama-Colusa Canal. Ca 0.3 mi NW of large +- saline/alkaline wetland/marsh, next to large transmission-line towers. | 54 | Comment | ||
UCD159527 | Carduus pycnocephalus subsp. pycnocephalus | D. S. Park | 2011-4-6 | 276 | Colusa | Off Rt. CA-20. Roadside. Disturbed. | Comment | |||
CHSC92598 | Carex bolanderi | D. Isle | 2005-7-14 | 1145 | Colusa | Mendocino National Forest--North Coast Ranges. Middle Fork Stony Creek Watershed. In first perennial drainage west of junction 17N09 diagonal 17N10 about 40 yards above culvert crossing 17N09. Waypoint BDCMP 1: NAD27 10S 0523113E 4350662N. | Comment | |||
JEPS110407 | Carex densa | Lowell Ahart | 2006-8-22 | 13213 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford | 347 | Comment | ||
JEPS80377 | Carex densa | L. R. Heckard and J. Hickman | 1981-6-22 | 5610 | Colusa | S side of E ridge of E Peak, Snow Mountain | 1950 | Comment | ||
JEPS81293 | Carex densa | L. R. Heckard and J. Hickman | 1982-7-5 | 5905 | Colusa | Slope below (S of) area. Summit Springs, S side of Snow Mountain | 1500 | Comment | ||
SEINET7556704 | Carex densa | Lowell Ahart | 2006-8-22 | 13213 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
CHSC92529 | Carex feta | G. F. Hrusa; WTD | 1998-6-19 | 14619 | Colusa | Wet area on spring along Goat Mtn. Rd. below intersection with USFS Pacific Ridge Rd. (M5). | 975 | Comment | ||
CAS-BOT-BC21226 | Carex fracta | Alice Q. Howard | 1972-7-10 | 7 | Colusa | Snow Mountain. | 1676 | Comment | ||
CAS-BOT-BC35776 | Carex jonesii | L. R. Heckard | 1974-9-10 | 3913 | Colusa | Snow Mt.;northeast slope of West Peak | 2072 | Comment | ||
SEINET7563262 | Carex klamathensis | Unknown | 1999-7-5 | 6497 | Colusa | At Bear Wallow Spring, on north side of Lovelady Ridge about 0.5 mi northeast of Pacific Point. Hough Springs quad. | 1045 | Comment | ||
JEPS75124 | Carex lenticularis var. impressa | L. R. Heckard | 1972-7-8 | 3059 | Colusa | upper reaches of Dark Hollow Creek in saddle between East Peak of Snow Mt. and West Peak of Snow Mt.; Dark Hollow Creek | 1981 | Comment | ||
CDA21575 | Carex nudata | D. G. Kelch | 2001-4-2 | 1 .043 | Colusa | N end of Walker Ridge. | 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 | ||
CAS-BOT-BC119425 | Carex obnupta | Roxana S. Ferris | 1917-4-15 | 607 | Colusa | Sycamore Slough. | Comment | |||
CHSC92669 | Carex pachystachya | D. Isle | 2005-9-14 | 1173 | Colusa | Mendocino National Forest--North Coast Ranges. Middle Fork Stony Creek Watershed. Meadow west of Angel Spring, Snow Mountain Wilderness. 10S 0522348E 4358185N = Angel Springs. | Comment | |||
JEPS80867 | Carex pachystachya | L. R. Heckard and J. C. Hickman | 1981-7-31 | 5795 | Colusa | Dark Hollow Creek, e side of Snow Mt. Snow Mt., Dark Hollow Creek | 1584 | Comment | ||
UCD163855 | Carex praegracilis | Craig D. Thomsen | 2001-4-12 | 2472 | Colusa | Bear Valley. About 7 miles north of Hwy 20. | Comment | |||
UCD63116 | Carex praegracilis | Ellen Dean; G. Harrington, C. Thomsen, S. Harrison | 2008-5-18 | 4947 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Unnamed drainage south of Hwy 20 between Hwy 16 and Lynch Canyon that drains to Bear Creek by passing under Hwy 20. | 398 | Comment | ||
UCD82623 | Carex praegracilis | Craig Thomsen; G. Harrington | 2009-5-12 | 2893 | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. | 707 | Comment | ||
UCR228283 | Carex praegracilis | Ellen Dean, Gordon Harrington, Craig D. Thomsen, S. Harrison | 2008-5-18 | 4947 | Colusa | Payne Ranch, owned by BLM, lands to the southwest of the intersection of Hwys 20 and 16. Unnamed drainage south of Hwy 20 between Hwy 16 and Lynch Canyon that drains to Bear Creek by passing under Hwy 20 | 399 | Comment | ||
RSA262496 | Carex praegracilis | Sam Olusuyi | 1967-4-29 | 35 | Colusa | 9 miles north of junction of Wilbur Springs Road and State Highway 20, Bear Valley. | 396 | Comment | ||
CHSC55605 | Carex serratodens | James Jokerst | 1985-4-5 | 2213 | Colusa | Near Coyote Peak. | 608 | Comment | ||
JEPS110261 | Carex serratodens | Lowell Ahart | 2006-6-11 | 12669 | Colusa | On the east side of an off road trail (Trail 30), about 100 yards south of Fouts Road, about 5 miles (by road) west of Stonyford | 613 | Comment | ||
JEPS80858 | Carex serratodens | L. R. Heckard and J. C. Hickman | 1981-7-30 | 5739 | Colusa | along Trout Creek trail, se side Snow Mt. Snow Mt., Trout Creek trail | 1676 | Comment | ||
UCD57291 | Carex serratodens | Ellen Dean; C. Thomsen, S. Bledsoe, J. Alderson, M. Starbuck | 2007-4-7 | 3662 | Colusa | BLM Payne Ranch. Craig Canyon. West of Hwy. 16, ca. 2 road miles south of junction of Hwy. 20 and Hwy. 16. Along unimproved road. | 319 | Comment | ||
UCD67062 | Carex serratodens | Craig D. Thomsen | 2008-3-20 | 2714 | Colusa | BLM Payne Ranch. Lands to the SW of Hwy 20/16 intersection. South side of Hwy 20, about 0.5 mile west of Hwy 16/20 intersection, at Colusa Co. milepost 2.63. | 500 | Comment | ||
UCD82727 | Carex serratodens | Craig Thomsen; G. Harrington | 2009-5-14 | 2910 | Colusa | Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs. | 813 | Comment | ||
HSC36255 | Carex serratodens | Steven Lagos | 1974-5-4 | 48 | Colusa | 915 | Comment | |||
JEPS80854 | Carex subfusca | L. R. Heckard and R. C. Bacigalupi | 1976-9-6 | 4443 | Colusa | ne side of Fouts Camp promontory Snow Mt., Fouts Camp promontory | 1859 | Comment | ||
CAS-BOT-BC116775 | Carex subfusca | Peter H. Raven; R. Snow | 1959-9-11 | 14422 | Colusa | Along stream in wet soil, Bonnie View. | 914 | Comment | ||
UCD23340 | Castilleja | A. M. Shapiro | 2003-8-19 | s.n. | Colusa | Little Stony Creek. | Comment | |||
CHSC77956 | Castilleja affinis subsp. affinis | Beth Hendrickson; Jean Witzman | 1999-3-17 | Colusa | Vicinity of Antelope Valley, Grapevine Creek, and Sites-Lodoga Road. | 158 | Comment | |||
UCD84431 | Castilleja applegatei | Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk | 2010-6-2 | 6046 | Colusa | Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here. | 817 | Comment | ||
HSC44462 | Castilleja applegatei subsp. martinii | R. York, Advanced Plant Taxonomy Lab | 1978-4-22 | 131 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
JEPS94198 | Castilleja applegatei subsp. martinii | Vernon Oswald and Lowell Ahart | 1998-5-7 | 8995 | Colusa | Bartlett Springs Rd. 1.6 mi. w. of Bear Valley Rd. | 487 | 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 | ||
UCD97120 | Castilleja applegatei subsp. martinii | Ellen Dean; G. Harrington, J. Alderson | 2011-4-10 | 6903 | Colusa | Along Brim Rd on east slope of Walker Ridge (Brim Rd becomes Bartlett Springs Rd). | 438 | Comment | ||
HSC71313 | Castilleja applegatei subsp. martinii | Thomas W. Nelson, Jane P. Nelson | 1979-4-11 | 4612 | Colusa | Along Leesville to SR 20 cutoff 5 mi. E of Leesville | Comment | |||
JEPS46009 | Castilleja applegatei subsp. martinii | L. R. Heckard and G. T. Robbins | 1957-7-25 | 814 | Colusa | just e summit of Snow Mountain (West) (near Colusa-Lake County line); Snow Mountain (West) | 2042 | Comment | ||
CHSC115341 | Castilleja attenuata | Lowell Ahart | 2015-4-10 | 20005 | Colusa | Normal size plants, on dark damp soil, along the south edge of Leesville Road. | 445 | Comment | ||
SBBG128982 | Castilleja attenuata | G. K. Helmkamp, E. A. Helmkamp | 2011-4-1 | 17122 | Colusa | Antelope Valley, along Maxwell-Sites Rd, 1.8 mi SE of Sites | 77 | Comment | ||
SD239905 | Castilleja attenuata | George K. Helmkamp, E. A. Helmkamp | 2011-4-1 | 17122 | Colusa | Eastern Foothills North Coast Ranges: Antelope Valley, along Maxwell-Sites Road, 1.8 miles southeast of Sites (Sites 7.5'Q) | 77 | Comment | ||
UCD83624 | Castilleja attenuata | Adam Clause; with PLB 102 class | 2010-5-2 | 3 | Colusa | Walker Ridge. Eaton Springs.15 meters north of the main road, on the flat valley floor. | 709 | Comment | ||
CHSC27558 | Castilleja exserta | W. K. Cheechov | 1978-4-9 | 4 | Colusa | 5.1 mi w of Walker Ridge Rd., Hwy 20. | 457 | Comment | ||
CHSC60153 | Castilleja exserta | Bryan Case | 1988-4-9 | 129 | Colusa | Ca. 0.3 mi w of jct of hwys 20 and 16, s side of Bear Creek, ca 18 mi se of Williams. | 321 | Comment | ||
UCR148774 | Castilleja exserta | E. Witharm | 1998-4-17 | 6 | Colusa | Bear Valley, Bear Valley Rd., 8 road mi from junction of Bear Valley Rd. and Leesville-Lodoga Rd | 396 | Comment | ||
UCR37943 | Castilleja exserta | Mike Malamus, P. Williams, Brian Kearney | 1984-4-29 | 70 | Colusa | Bear Valley Road 2 mi north of Hwy 20 | 366 | Comment | ||
CDA32834 | Castilleja exserta | P. Hiatt | 1979-4-26 | Colusa | North end of Bear Valley at Bartlett Springs Road. | 0 | Comment | |||
UCD15677 | Castilleja exserta | Anne B. Overturf | 1989-4-8 | 13 | Colusa | Lake County border. Walker Ridge. | 658 | Comment | ||
CHSC59611 | Castilleja exserta subsp. exserta | Carole Pauls | 1975-4-20 | 5 | Colusa | Bear Valley Road, 8.7 miles north of State Highway 20. | Comment | |||
SEINET3079797 | Castilleja exserta subsp. exserta | L. Blackford, S. Branch, D. Malm | 1988-4-17 | 73 | Colusa | 1.3 miles south of Bear Valley Rd. from corner of Brim Rd. and Bear Valley Rd. | 396 | Comment | ||
UCD64254 | Castilleja exserta subsp. exserta | Craig D. Thomsen | 2000-3-31 | 2055 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
HSC67098 | Castilleja exserta subsp. exserta | D. Boyd, M. Eichelberger, Tim Messick, T. Ranker | 1980-4-19 | 42 | Colusa | Along Bartlett Springs Rd., .6 mi. from Jct. with Hwy. 16 | Comment | |||
CHSC110845 | Castilleja foliolosa | David Isle; Rhonda Isle | 1989-4-29 | 2000 | Colusa | Stony Creek Watershed. Just N of 18N01 (Fouts Springs Rd.), ~2 miles W of Jct. w/Co. Rd. 306. (Just E of entrance to Brother Moore's Home). | 382 | Comment | ||
CHSC114943 | Castilleja foliolosa | Lowell Ahart | 2015-4-10 | 20014 | Colusa | On the northside of Brim Road, about 2 miles west of the intersection of Bear Valley Road and Brim Road, about 17 miles (air) west of Williams. Chaparral. | 500 | Comment | ||
HSC72142 | Castilleja foliolosa | J. P. Smith, Thomas W. Nelson, Jane P. Nelson | 1978-4-2 | 9574 | Colusa | Bear Valley Rd., 2.1 mi. from its junction with Hwy. 20 | 366 | Comment | ||
RSA783308 | Castilleja foliolosa | R. R. Halse | 2011-3-25 | 8160 | Colusa | Along State Hwy 20 just E of the Lake County Line. ca. 14.6 miles E of its junction with State Hwy 53. | 558 | Comment | ||
HSC97657 | Castilleja foliolosa | Danny Pineda | 2001-4-21 | 7 | Colusa | Found at Walker Ridge area | 671 | Comment | ||
JEPS81325 | Castilleja miniata | L. R. Heckard and J. C. Hickman | 1982-7-6 | 5940 | Colusa | about 0.5 mi ne Summit Springs (s side of Snow Mt, e of trail); Snow Mt. | 1645 | Comment | ||
JEPS82029 | Castilleja miniata | Todd Keeler-Wolf | 1983-6-22 | 715 | Colusa | 2 mi up Goat Mt. road; Little Stony Creek | 411 | Comment | ||
CDA11255 | Castilleja miniata subsp. miniata | G. F. Hrusa | 1994-11-7 | 11990 | Colusa | North Coast Biodiversity Arena; Banks of Little Stony Creek, approx. 2 miles above Stonyford-Lodoga Rd. on Goat Mtn. Rd. | Comment | |||
CHSC111212 | Castilleja miniata subsp. miniata | David Isle | 2013-8-23 | 2049 | Colusa | Stony Creek Watershed. W bank Salt Ck, ~ 150'NE of Dennis Dr Bridge on Isle Property. | 374 | Comment | ||
RSA0037133 | Castilleja miniata subsp. miniata | David W. Isle | 2013-8-23 | 2049 | Colusa | W bank Salt Ck, ~150'NE of Dennis Dr Bridge on Isle Property. | 374 | Comment | ||
UC198199 | Castilleja minor subsp. spiralis | Katharine Brandegee | 1910-8-10 | Colusa | Epperson's Grade; sw Colusa Co. | Comment | ||||
UCD163307 | Castilleja rubicundula | Craig D. Thomsen | 1997-4-7 | 1897 | Colusa | Bear Valley. About 5 miles north of Hwy 20. | Comment | |||
UCR37942 | Castilleja rubicundula subsp. lithospermoides | P. Williams, Brian Kearney, Mike Malamus | 1984-4-28 | 74 | Colusa | 2.9 mi west of Leesville Lodoga Junction on Brim Road. | 418 | Comment | ||
UCR40060 | Castilleja rubicundula subsp. lithospermoides | K. B. Barrows, C. G. Phillips, L. Cole, S. A. Haultain | 1984-4-28 | 27 | Colusa | Bear Valley, Brim Road, 2.9 mi west of Leesvillle-Lodoga Junction | 418 | Comment | ||
JEPS39675 | Castilleja rubicundula subsp. rubicundula | Rimo Bacigalupi, T. Crovello and L. Heckard | 1965-4-26 | 9042 | Colusa | 0.7 mi w Wilbur Springs and Bear Creek Road; Blue Ridge | 341 | Comment | ||
JEPS44112 | Castilleja rubicundula subsp. rubicundula | Barrie Stanfield | 1966-4-16 | 27 | Colusa | 5 mi n Wilbur Springs turnoff (Bear Valley bottomlands); Bear Valley | Comment | |||
RSA0118613 | Castilleja rubicundula subsp. rubicundula | Lowell Ahart | 2013-5-1 | 18687 | Colusa | Inner North Coast Range. North of the wash and State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 566 | Comment | ||
UCD163871 | Castilleja rubicundula subsp. rubicundula | Craig D. Thomsen | 2000-3-31 | 2132 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way on south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection. | Comment | |||
CDA11400 | Castilleja tenuis | G. F. Hrusa, K. van Katwyk | 1995-4-22 | 12120 | Colusa | Inner North Coast Ranges; flat on Walker Ridge Road, approx. 6 m. S of intersection with Bartlett Springs Rd. | Comment | |||
SEINET10539694 | Caulanthus | Katherine L. Morris | 1973-6-6 | Morris 385 | Colusa | Chaparral woodland and sparse oaks; on hwy 20, 0.3 mi e of lake county line. | Comment | |||
UCD114215 | Caulanthus flavescens | J. M. Tucker | 1958-3-7 | 3364 | Colusa | State Highway 16, Cache Creek Canyon, 0.1 mile north of Yolo-Colusa County line. | Comment | |||
CHSC112311 | Caulanthus lasiophyllus | Lowell Ahart | 2013-5-1 | 18681 | Colusa | Inner North Coast Range. Near a small drainage, north of the wash and State Highway 20, just east of Lake County Line, 12.2 mile (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 566 | Comment | ||
JEPS121112 | Caulanthus lasiophyllus | Lowell Ahart | 2013-5-1 | 18681 | Colusa | N of the wash and Hwy 20, just E of Lake County line, 12.2 air miles ENE of the town of Clear Lake, 17.1 air miles W of Williams. | Comment | |||
RSA0118787 | Caulanthus lasiophyllus | Lowell A. Ahart | 2013-5-1 | 18681 | Colusa | North of the wash and State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 566 | Comment | ||
UCD67002 | Caulanthus lasiophyllus | Craig D. Thomsen | 2008-5-23 | 2748 | Colusa | BLM Payne Ranch. Lands to the SW of Hwy 16/20 intersection. About 1 mile south of Hwy 20 (south of Destanella Flat), 2.5 miles west of Hwy 16. | 470 | Comment | ||
HSC98203 | Ceanothus cuneatus | Steven Lagos | 1974-5-4 | 50 | Colusa | 915 | Comment | |||
JEPS42087 | Ceanothus cuneatus var. cuneatus | W. L. Jepson | 1920-5-23 | 8964 | Colusa | near Leesville; SW Colusa Co., Bear Valley | Comment | |||
UCD170260 | Ceanothus integerrimus | D. O. Burge | 2016-11-3 | 2185 | Colusa | Fouts Springs area, roadside on Forest Road M10, E of Fouts Springs. | 630 | Comment | ||
UCD170264 | Ceanothus integerrimus | D. O. Burge | 2016-11-3 | 2188 | Colusa | Walker Ridge, E of Indian Valley Reservoir, roadside on Bartlett Springs Road. | 980 | Comment | ||
UCD82544 | Ceanothus integerrimus | Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng | 2009-5-20 | 5699 | Colusa | Walker Ridge. Along Walker Ridge just S of turn-off to picnic area near Cold Spring. | 1007 | Comment | ||
UCD110813 | Ceanothus jepsonii | Christopher Mallek | 2008-1 | PR1- 2 | Colusa | Pacific Ridge. Border of Colusa and Lake Counties. | 1101 | Comment | ||
UCD56664 | Ceanothus jepsonii | Sam Bledsoe | 2007-3-25 | 6 | Colusa | BLM Payne Ranch. Destinella Flat area, just E of the Lake County border, ca. 3.4 road miles along Hwy 20 from the junction of Hwy 16 and Hwy 20. South side of Hwy 20. | 576 | Comment | ||
CHSC93619 | Ceanothus jepsonii var. albiflorus | C. L. Schmidt | 1989-6-13 | 1253 | Colusa | 1 mile up dirt road to Trout Creek near Davis Campsite and Fouts Springs Campground ca. 9 mi W of Stonyford; on E side of Snow Mountain. | 600 | Comment | ||
HSC96785 | Ceanothus jepsonii var. albiflorus | J. Carey, A. Hong, J. Leffingwell | 1995-5-6 | 75 | Colusa | 3.2 mi N on Walker Ridge Rd. from its junction with Indian Valley Access Rd. | 854 | 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 | ||
UC1299512 | Ceanothus palmeri | Freed W. Hoffman | 1947-6-19 | 1655 | Colusa | Cook's Springs Cook's Springs (western Colusa County) | Comment | |||
UCD148667 | Ceanothus parvifolius | G. Ledyard Stebbins | 1985-5-19 | C 530 | Colusa | Southeast of Goat Mountain peak. Pacific Point along Goat Rock Ridge, east of Goat Rock. (Exact location unknown; coordinates estimated by label maker. Note, Pacific Point at 3700 ft does not quite fall into Section 25.) | 1127 | Comment | ||
CHSC84199 | Centaurea melitensis | Lowell Ahart | 2003-7-14 | 10387 | Colusa | By a wash, on the east side of Bear Valley Road, about 3 miles northwest of Highway 20. | 381 | Comment | ||
UC30927 | Centaurea melitensis | J. Burtt Davy | 1898-5-1 | 4288 | Colusa | near Princeton | Comment | |||
UCD82113 | Centaurea melitensis | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5641 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 839 | Comment | ||
CAS-BOT-BC284462 | Centaurea solstitialis | Roxana Stinchfield | 1916-7-12 | 474 | Colusa | Street - College City | Comment | |||
SEINET10798227 | Centaurea solstitialis | Katherine L. Morris, Melvin L. Conrad; David B. Dunn | 1973-6-6 | Morris 376 | Colusa | Chaparral woodland and sparse oaks; on Hwy. 20, 0.3 mi. E of Lake County line. | Comment | |||
UCD82577 | Centaurium | Craig Thomsen | 2008-6-12 | 2767 | Colusa | Bear Creek (formerly Payne) Ranch. South side of Hwy 20, ca. 0.25 mi W of Hwy 16. West and SW of the corral that is located at the junction of Hwy 16 and 20. | Comment | |||
JEPS93803 | Centaurium trichanthum | Vernon H. Oswald and Lowell Ahart | 1998-7-15 | 9267 A | Colusa | Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road | 487 | Comment | ||
UCD82477 | Centromadia | Craig Thomsen; G. Harrington | 2009-5-12 | 2855 | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. | 707 | Comment | ||
CHSC107285 | Centromadia fitchii | L. P. Janeway; B. Castro | 2011-7-9 | 10505 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; 1.5 km southeast of Funks Reservoir and 0.1-0.6 km northeast of Tehama-Colusa Canal. Generally natural area centered around a shallow ephemeral alkaline marsh and adjacent wetland swales. In an area that is not quite a vernal pool near the eastern boundary of the area. | 49 | Comment | ||
CAS-BOT-BC272813 | Centromadia parryi subsp. parryi | H. M. Hall | 1930-10-3 | 12938 | Colusa | Southwestern Colusa County. North of Wilbur Springs on road to Stonyford | Comment | |||
UCD61446 | Centromadia parryi subsp. parryi | Ellen Dean; G. Harrington, N. Voegtly, J. Alderson, C. Thomsen | 2007-6-24 | 3891 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwy 16 and Hwy 20. West of BLM equestrian parking lot (Cowboy Camp) on west side of Bear Creek. Approximately 1000 ft NW of parking lot. | 339 | Comment | ||
UCD61474 | Centromadia parryi subsp. parryi | Ellen Dean; G. Harrington, N. Voegtly, J. Alderson, C. Thomsen | 2007-6-24 | 3920 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwy 16 and Hwy 20. West of BLM equestrian parking lot (Cowboy Camp) on west side of Bear Creek. Just west of parking lot on west side of Bear Creek. | 312 | Comment | ||
CHSC107928 | Centromadia parryi subsp. rudis | B. Castro; Amy Lyons | 2011-8-3 | 1903 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; approximately 1 mi southeast of Funks Reservoir and 800 ft northeast of Tehama-Colusa Canal. Towards S end of N-trending swale, off northwest corner of large +- alkaline marsh. | 49 | Comment | ||
UC727676 | Centromadia parryi subsp. rudis | Milo S. Baker | 1946-9-5 | 11624 | Colusa | 3 mi w of Colusa; Williams | Comment | |||
UCD162396 | Centromadia parryi subsp. rudis | Juliette Robinson | 2013-10-8 | 2 | Colusa | Along Highway 20, just east of I-5. | 19 | Comment | ||
UCD77502 | Centromadia parryi subsp. rudis | Robert E. Preston | 1999-9-24 | 1242 | Colusa | Antelope Valley, at head of Salt Canyon. | 219 | Comment | ||
UCD16094 | Centromadia pungens | J. Schmierer | 1999-4-27 | s.n. | Colusa | Exact location unknown. | Comment | |||
JEPS38150 | Centromadia pungens subsp. pungens | W. L. Jepson | 1934-5-3 | 16600 | Colusa | n of Colusa (Stegeman Station) | Comment | |||
CAS-BOT-BC279207 | Centromadia pungens subsp. pungens | A. A. Heller | 1916-6-9 | 12391 | Colusa | Along the state highway near Colusa | Comment | |||
JEPS105679 | Centromadia pungens subsp. pungens | L. P. Janeway | 2002-4-25 | 7525 | Colusa | Sacramento Valley; vicinity of Funks Creek and Tehama - Colusa Canal | 51 | Comment | ||
CHSC83633 | Centromadia pungens subsp. septentrionalis | L. P. Janeway | 2002-4-25 | 7525 | Colusa | Sacramento Valley. Vicinity of Funks Creek and Tehama-Colusa Canal. Drainage bottoms. | 51 | Comment | ||
SEINET8730526 | Cephalanthus occidentalis | Unknown | 1946-1 | 7839 | Colusa | Butte Creek, 1 mile north of Butte Outing Gun Club, near Colusa, Colusa County. | 6 | Comment | ||
UC931956 | Cephalanthus occidentalis var. californicus | Verne Grant and Alva Grant | 1946-8-6 | 7839 | Colusa | near Colusa (Butte Creek bank, 1 mi n of Butte Outing Gun Club); Butte Creek | Comment | |||
HSC66011 | Cercis occidentalis | Teri Bartowski, Carol Zimmerer, Ruth Takaki, Shane Feusier | 1980-4-19 | 46 | Colusa | 5.4 miles from Lodoga, along Little Stony Creek at Digger Pine Campground | Comment | |||
RSA590197 | Cercocarpus betuloides | Michael A. Vincent, Robert M. Rhode | 1996-3-30 | 7299 | Colusa | Along Brim Rd., 1.9 mi. W jct. Bear Valley Rd. | Comment | |||
RSA670064 | Cercocarpus betuloides | G. L. Webster | 1989-5-6 | 7698 | Colusa | Walker Ridge, near Cold Springs Mt. Near border with Lake County. | Comment | |||
UC1618010 | Cercocarpus betuloides | Donald G. Nelson | 1940-6-8 | 679 | Colusa | w of Stoneyford (on e slopes of Snow Mountain, nw boundary of the county, trail several miles above Bonnie View); Snow Mountain | 1066 | Comment | ||
UCD113027 | Cercocarpus betuloides | G. F. Hrusa | 1996-2-26 | 12635 | Colusa | Inner North Coast Ranges. E side of ridge separating Blanchard Valley from Bear Valley, on Leesville Road. | 600 | Comment | ||
UC1543051 | Cercocarpus betuloides var. betuloides | Donald G. Nelson et. al. | 1940-6-8 | 679 | Colusa | several mi above Bonnie View (w boundary of Snow Mountain, Snow Mountain Trail); Snow Mountain, Snow Mountain Trail | 1066 | 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 | ||
HSC71298 | Cercocarpus montanus var. glaber | Thomas W. Nelson, Jane P. Nelson | 1979-4-12 | 4628 | Colusa | Along Stony Creek below Digger Pine Campground | Comment | |||
JEPS15566 | Chaenactis douglasii var. douglasii | G. Thomas Robbins with L. R. Heckard | 1956-7-25 | 3715 | Colusa | above Dark Hollow Creek (a trib. of Middle Fork Stony Creek, s flank of Snow Mt. East, between Snow Mt. East and Snow Mt. West); Snow Mt. East, Middle Fork Stony Creek | 1981 | Comment | ||
UCD159334 | Chaenactis glabriuscula | D. S. Park; E. Dean | 2010-6-5 | 118 | Colusa | Walker ridge, Cold Spring Mt. Exposed serpentine outcrop. | 1032 | Comment | ||
CHSC53931 | Chaenactis glabriuscula var. heterocarpha | Vernon H. Oswald | 1991-4-21 | 4518 | Colusa | Goat Mountain Rd, 0.4 mi southwest of Lodoga Stonyford Rd, south of Stonyford. | 390 | Comment | ||
JEPS120979 | Chaenactis glabriuscula var. heterocarpha | Lowell Ahart, John Dittes, Josephine Guardino | 2013-4-26 | 18650 | Colusa | On N side of Hwy 20, just E of Lake County Line, 12.2 air miles ENE of town of Clear Lake, 17.1 air miles W of Williams. | Comment | |||
UC630425 | Chaenactis glabriuscula var. heterocarpha | Annetta Carter | 1938-5-8 | 1394 | Colusa | 4 mi se of Wilbur Springs; Inner North Coast Ranges, Bear Creek Canyon | Comment | |||
UC725604 | Chaenactis glabriuscula var. heterocarpha | A. A. Heller | 1940-5-6 | 15580 | Colusa | a few yards e of the Lake County line | 232 | Comment | ||
UCD130361 | Chaenactis glabriuscula var. heterocarpha | John M. Tucker | 1969-4-26 | 4163 | Colusa | east of road, in middle part of Bear Valley. | Comment | |||
CAS-BOT-BC277632 | Chaenactis glabriuscula var. megacephala | James Jokerst | 1985-4-4 | 220 | Colusa | Near Rail Canyon | Comment | |||
JEPS90921 | Chamaesyce hooveri | Dean W. Taylor | 1993-8-31 | 14071 | Colusa | 200 m e of North Fork Logan Creek (Sacramento Valley, Sacramento National Wildlife Refuge); Sacramento Valley, Sacramento National Wildlife Refuge | 24 | Comment | ||
CHSC94455 | Chamaesyce maculata | Lowell Ahart | 2006-8-9 | 13170 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
JEPS2596 | Chamaesyce ocellata subsp. rattanii | Volney Rattan | June 1884 | Colusa | n San Francisco Bay; Coast Mts., Stony Creek; Stony Creek, Colusa Co., N of San Francisco Bay | Comment | ||||
CHSC61423 | Chamaesyce serpillifolia subsp. serpillifolia | Vernon H. Oswald; Joseph Silveira | 1993-8-16 | 5803 | Colusa | Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, center N side of Tract 44, near the S boundary of the refuge. On the N bank of Hunters Creek. | 24 | Comment | ||
JEPS104407 | Chamaesyce serpillifolia subsp. serpillifolia | Lowell Ahart | 2003-10-23 | 10665 | Colusa | On the e strand of East Park Reservoir, ca 1/8 mi nw of Sites Lodoga Rd, ca 1 mi n of Lodoga, ca 21 mi w of Maxwell. | 368 | Comment | ||
JEPS108744 | Chamaesyce serpillifolia subsp. serpillifolia | Lowell Ahart | 2006-8-9 | 13104 | Colusa | Gravel bar on the south side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford | 422 | Comment | ||
SBBG28478 | Chamaesyce serpillifolia subsp. serpillifolia | Mrs. H. P. Bracelin | 1931-10-1 | 565 | Colusa | Indian Crk, Lodoga | Comment | |||
UC535094 | Chamaesyce serpyllifolia | Mrs. H. P. Bracelin | 1931-10-1 | 564 | Colusa | about 7 mi n Leesville; Indian Creek | 289 | Comment | ||
UC73410 | Chamaesyce serpyllifolia | H. P. Chandler | 1905-9-14 | Colusa | Princeton | 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 | ||
IRVC29631 | Cheilanthes | Mark A. Elvin, Mark S. Brunell, David Isle | 2006-8-3 | 5027 | Colusa | Snow Mtn; Summit Spring Trail; 1.4km W of Snow Mtn West summit; 800m N of Cedar Camp. Southern Northern Inner Coast Ranges | 1989 | Comment | ||
JEPS80114 | Chenopodium | L. R. Heckard with J. Hickman | 1980-7-1 | 5273 | Colusa | East Peak Snow Mt. (flat at summit, Colusa-Lake County boundary) | 2148 | Comment | ||
CHSC94517 | Chenopodium album | Lowell Ahart | 2006-8-22 | 13221 | Colusa | South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford. | 349 | Comment | ||
JEPS110404 | Chenopodium album | Lowell Ahart | 2006-8-22 | 13221 A | Colusa | South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford | 349 | Comment | ||
UC1195198 | Chenopodium album | J. H. Thomas | 1960-8-30 | 8865 | Colusa | about 5 mi nw College City (along road to Sycamore) | Comment | |||
JEPS110058 | Chenopodium berlandieri | Lowell Ahart | 2006-8-22 | 13220 A | Colusa | South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford | 349 | Comment | ||
RSA724958 | Chenopodium botrys | L. Ahart | 2006-8-9 | 13119 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 348 | Comment | ||
JEPS123892 | Chenopodium californicum | Lowell Ahart | 2015-4-28 | 20112 | Colusa | About 300 yards north of the intersection of Bear Valley Road and Brim Road, about 2 miles southwest of Leesville, about 14 1/2 miles (air) west of Williams. | Comment | |||
UC1053454 | Chenopodium californicum | Rimo Bacigalupi, Arthur Holmgren | 1950-4-26 | 3167 | Colusa | 8 mi nw Maxwell (along road to Sites, in canyon through first hills on extreme w edge of valley); Sacramento Valley | Comment | |||
UCD66481 | Chenopodium californicum | Craig D. Thomsen | 2000-4-28 | 2225 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, on north side of Hwy 20, ca. 0.25 mile west of Hwy 20/16 instersection, near Colusa Co. milepost 2.80. Under massive valley oak, adjacent to Bear Creek at base of Hwy 20 fill-slope. | 300 | Comment | ||
UCD37706 | Chloris virgata | Beecher Crampton | 1961-7-20 | 5932 | Colusa | 2 miles S of Grimes. | Comment | |||
SEINET4565689 | Chloris virgata | M. J. Williams | 1981-9-2 | 81- 162 -1 | Colusa | Near an almond orchard on Wisconsin Avenue, south of Arbuckle | Comment | |||
UCR228651 | Chlorogalum pomeridianum | Ellen Dean, Gordon Harrington, Craig D. Thomsen, S. Harrison | 2008-5-18 | 4933 | Colusa | Payne Ranch, owned by BLM, lands to the southwest of the intersection of Hwys 20 and 16. Unnamed drainage south of Hwy 20 between Hwy 16 and Lynch Canyon that drains to Bear Creek by passing under Hwy 20 | 348 | Comment | ||
CHSC77613 | Chorizanthe membranacea | Heidi West; Caroline Warren | 1998-5-26 | Colusa | Vicinity of Antelope Valley, Huffmaster Road, and Sites. Shale slope in blue oak woodland. | 167 | Comment | |||
UCD57280 | Chorizanthe membranacea | Ellen Dean; C. Thomsen, S. Bledsoe, J. Alderson, M. Starbuck | 2007-4-7 | 3648 | Colusa | BLM Payne Ranch. Mouth of Craig Canyon. Along unimproved road, about 2 road miles south of junction of Hwy 20 and Hwy 16. . | 316 | Comment | ||
HSC65996 | Chorizanthe membranacea | D. Boyd, M. Eichelberger, Tim Messick, T. Ranker | 1980-4-20 | 43 | Colusa | Leesville Rd. from Leesville to Williams, 3.8 mi. E of Leesville. | Comment | |||
CHSC42575 | Cicuta douglasii | Vernon Oswald | 1986-6-30 | 2176 | Colusa | North end of Lily Pond near Letts Lake. | 1188 | Comment | ||
JEPS75715 | Cirsium vulgare | L. R. Heckard | 1974-9-9 | 3841 | Colusa | just se Foutch Camp; Snow Mt. | 1920 | Comment | ||
UCD57862 | Clarkia | Gordon Harrington; Diana Hickson, Jack Alderson | 2007-4-29 | 49 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. South terrace of Thompson Creek about 300 feet upstream of breached dam close to Road Kill Cafe. | 395 | Comment | ||
UCD82196 | Clarkia concinna | Ellen Dean; G. Harrington, C. Thomsen,R. Wilmarth,Chiao-Yi Cheng | 2009-5-20 | 5696 | Colusa | Walker Ridge. Til Jones Spring area along Walker Ridge Road. | 833 | Comment | ||
CDA329 | Clarkia concinna | G. D. Barbe | 1982-6-4 | 3635 | Colusa | 1.7 miles north of Pacific Ridge Forest Station, Mendocino National Forest. | Comment | |||
CHSC94884 | Clarkia concinna subsp. concinna | Lowell Ahart | 2006-6-11 | 12668 | Colusa | On the west side of an off road trail (Trail 30), about 100 yards south of Fouts Road, about 5 miles (by road) west of Stonyford. | 613 | Comment | ||
SJSU11006 | Clarkia concinna subsp. concinna | J. B. Willis Jr | 1969-5-31 | 200 | Colusa | by State Hwy 20, 0.5 mi W of junction with Hwy16 c. midway between Williams & Clear Lake | Comment Read comments Aug 26 2011 |
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CAS-BOT-BC164526 | Clarkia gracilis subsp. albicaulis | A. A. Heller | 1916-6-6 | 12354 | Colusa | Coast Range on the grade about 3 miles west of Leesville | Comment | |||
CAS-BOT-BC164527 | Clarkia gracilis subsp. albicaulis | A. A. Heller | 1916-6-6 | 12354 | Colusa | Coast Range on the grade about 3 miles west of Leesville | Comment | |||
LA45424 | Clarkia gracilis subsp. albicaulis | G. L. Stebbins Jr.; Malcolm A. Nobs, J. A. Rattenbury | 1947-4-27 | 3755 | Colusa | 3 mi. W of Leesville, on road to Bartlett Springs | Comment | |||
JEPS81291 | Clarkia gracilis subsp. gracilis | L. R. Heckard and J. C. Hickman | 1982-7-5 | 5903 | Colusa | slope below and s Summit Springs (s side of mountain); Snow Mt. | 1500 | Comment | ||
UCR228652 | Clarkia gracilis subsp. gracilis | Ellen Dean, Gordon Harrington, Craig D. Thomsen, S. Harrison | 2008-5-18 | 4939 | Colusa | Payne Ranch, owned by BLM, lands to the southwest of the intersection of Hwys 20 and 16. Unnamed drainage south of Hwy 20 between Hwy 16 and Lynch Canyon that drains to Bear Creek by passing under Hwy 20 | 351 | Comment | ||
CHSC79535 | Clarkia modesta | B. Castro; L. P. Janeway | 2000-5-2 | 1105 | Colusa | Vicinity of Sites, Sites-Lodoga Rd, and Grapevine Creek. | 231 | Comment | ||
CAS-BOT-BC163285 | Clarkia modesta | Peter H. Raven | 1963-5-20 | 18401 | Colusa | 9.5 miles east of Houghs Springs (Lake County) | Comment | |||
HSC86833 | Clarkia purpurea | S. L. Steinwert | 1985-4-13 | 10 | Colusa | Salt Canyon, N side of Salt Creek, Hwy. 20, 11 mi. WSW of Williams | 143 | Comment | ||
UCD104881 | Clarkia purpurea | Karen Rose | 1985-4-13 | 4 | Colusa | Salt Canyon, N side of Salt Creek, Highway 20, 11 miles WSW of Williams. | 143 | Comment | ||
JEPS43724 | Clarkia purpurea subsp. purpurea | Alice King | 1906-1-1 | Colusa | College City | Comment | ||||
CAS-BOT-BC240292 | Clarkia purpurea subsp. quadrivulnera | Ellen Dean; C. Thomsen; G. Harrington; Davis Botanical Society | 2010-6-5 | 6085 | Colusa | Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Springs | 817 | Comment | ||
SD133953 | Clarkia rhomboidea | Barbara Ertter | 1989-7-1 | 8597 | Colusa | road to Goat Mt Lookout 2.2 miles south of Route M-10 (Bear Creek-Fouts Spring Road) at head of S Fk Stony Creek, ca 12 airmiles WSW of Stonyford; | 1500 | Comment | ||
UC1299410 | Clarkia rhomboidea | Freed W. Hoffman | 1948-6-28 | 2541 | Colusa | between Upper Letts Valley and Lower Letts Valley; North Coast Ranges | Comment | |||
CAS-BOT-BC164757 | Clarkia rhomboidea | Freed W. Hoffman | 1948-6-28 | 2541 | Colusa | Between Upper and Lower Letts valleys | Comment | |||
JEPS124232 | Claytonia exigua subsp. exigua | Lowell Ahart | 2015-4-1 | 19994 | Colusa | Inner North Coast Range. 1/2 mile east of Lake County Line, 12 miles (air) east-northeast of Clear Lake (town), 17 miles (air) west of Williams. | Comment | |||
JEPS95503 | Claytonia exigua subsp. exigua | Vernon H. Oswald | 1994-3-23 | 6015 | Colusa | T17N R6W NW1/4 Sec. 32, 1700 ft, Chaparral. Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section on the E side of Frenzel Creek, S of Stonyford. Occasional populations in serpentine soil of brushy and rocky slopes. | 518 | Comment | ||
SEINET199010 | Claytonia exigua subsp. exigua | H. K. Sharsmith | 1953-6-19 | 4281 | Colusa | Mendocino National Forest ; Near Trough Springs on Trough Springs Ridge | 975 | Comment | ||
UCD65633 | Claytonia exigua subsp. exigua | Craig D. Thomsen | 2000-4-12 | 2136 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, on south side of Hwy 20, ca. 0.25 mile west of Hwy 20/16 instersection, near Colusa Co. milepost 3.00. | 310 | Comment | ||
UCD66462 | Claytonia exigua subsp. exigua | Craig D. Thomsen | 2001-4-12 | 2457 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, on south side of Hwy 20, ca. 0.25 mile west of Hwy 20/16 instersection, near Colusa Co. milepost 3.00. | 310 | Comment | ||
CAS-BOT-BC439114 | Claytonia exigua subsp. exigua | K. L. Chambers | 1978-3-19 | 4423 | Colusa | Hwy. 20 between Williams and Clear Lake, Inner Coast Range, 15.8 mi. W of Hwy. 5 and 2.9 mi. E of junction with Hwy. 16. | Comment | |||
UCD67063 | Claytonia parviflora | Craig D. Thomsen | 2008-3-20 | 2717 | Colusa | BLM Payne Ranch. Lands to the SW of Hwy 20/16 intersection. South side of Hwy 20, about 0.5 mile west of Hwy 16/20 intersection, at Colusa Co. milepost 2.63. | 450 | Comment | ||
UC1745698 | Claytonia parviflora subsp. parviflora | Annetta M. Carter, Sarah Dyal, Ethel Crum | 1938-5-8 | 1379 | Colusa | Between Leesville & Stonyford. 6.6 mi. S of Lodoga. 3 mi. N of Leesville. | Comment | |||
SEINET199005 | Claytonia saxosa | H. K. Sharsmith | 1953-6-20 | 4292 | Colusa | Mendocino National Forest ; Summit of Goat Mt. Lake-Colusa boundary | 1864 | Comment | ||
RSA114165 | Claytonia saxosa | H. K. Sharsmith | 1953-6-20 | 4292 | Colusa | Summit of Goat Mtn, Mendocino National Forest, lake - Colusa Boundary. | 1865 | Comment | ||
SFV8355 | Clematis lasiantha | D. Grau | 1972-4-1 | 4 | Colusa | Highway 16, 5 miles south of junction with Highway 20. | Comment | |||
CAS-BOT-BC92546 | Clematis ligusticifolia | A. F. Hough | 1924-6-22 | 3 | Colusa | California Forest. McDaniels R.S. | 914 | Comment | ||
RSA0037131 | Clematis ligusticifolia | B. Castro | 2008-7-10 | 1773 | Colusa | Sacramento Valley. Along S bank of Sacramento River, ca. 5 mi N of town of Colusa, just N of Reservation Road; in undesignated Section near Colusa Rancheria. | 18 | Comment | ||
SBBG27284 | Collinsia bartsiifolia var. bartsiifolia | E. Crum | 1938-5-8 | 2020 | Colusa | 3 mi N of Leesville | Comment | |||
UC1238969 | Collinsia greenei | Freed W. Hoffman | 1948-6-28 | 2536 | Colusa | e side Black Diamond Mtn (near Glenn-Colusa county line); North Coast Ranges, Black Diamond Mtn | 838 | Comment | ||
HSC44463 | Collinsia heterophylla | R. York | 1978-4-22 | 141 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
UC1613286 | Collinsia heterophylla | Charles M. Belshaw | Apr 1937 | 2884 | Colusa | vicinity of Cook's Spring (Inner North Coast Range, Devil's Ridge); Inner North Coast Range, Devil's Ridge | Comment | |||
UC71624 | Collinsia heterophylla | Miss Alice King | 1905-1 | Colusa | College City | Comment | ||||
UCD64412 | Collinsia heterophylla | Craig D. Thomsen | 2000-4-12 | 2139 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UCR212362 | Collinsia heterophylla | Craig D. Thomsen | 2000-4-12 | 2139 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mi west of Hwy 20/16 intersection, milepost 3.00 | 310 | Comment | ||
UC204795 | Collinsia rattanii | Volney Rattan | 1884-6-15 | Colusa | w slope of Black Butte Black Butte | Comment | ||||
HSC31614 | Collinsia sparsiflora | Maralyn O'Meara, Gary S. Lester | 1974-5-4 | 344 | Colusa | Walker Ridge Rd., 0.7 mi. from junction with Little Indian Valley Rd. | 854 | Comment | ||
UCD57341 | Collinsia sparsiflora | Sergio Testa | 2007-3-25 | 3 | Colusa | BLM Payne Ranch. Destinella Flat area, just E of the Lake County border, ca. 3.4 road miles along Hwy 20 from the junction of Hwy 16 and Hwy 20. South side of Hwy 20. | 560 | Comment | ||
CHSC70908 | Collinsia sparsiflora var. arvensis | Vernon Oswald; Lowell Ahart | 1998-4-21 | 8946 | Colusa | Stonyford-Lodga Rd. 4.2 mi south of Stonyford. | 384 | Comment | ||
JEPS6657 | Collinsia sparsiflora var. arvensis | A. A. Heller | 1937-4-24 | 15352 | Colusa | 15 m w Williams (Hwy 20) | Comment | |||
UCD58120 | Collinsia sparsiflora var. arvensis | Ellen Dean; PLB 102 Class | 2007-4-29 | 3716 | Colusa | Payne Ranch. West of Hwy. 16. Ca. 2 road miles S of junction of Hwy. 20 and Hwy. 16. Through Craig Canyon. | 304 | Comment | ||
UC1736363 | Collinsia sparsiflora var. collina | Dean W. Taylor | 1992-4-16 | 12404 | Colusa | East Park Reservoir, on stony hillsides ca. 0.4 miles due west from spillway into Little Stony Creek | 411 | Comment | ||
UC638655 | Collinsia sparsiflora var. sparsiflora | Ethel Crum | 1938-5-8 | 2028 | Colusa | 3 mi n of Leesville (Inner North Coast Range); Inner North Coast Range | Comment | |||
JEPS81380 | Collinsia torreyi var. wrightii | L. R. Heckard and J. C. Hickman | 1982-7-8 | 5991 | Colusa | trail from saddle between E and W Peaks towards Signal Peak, Snow Mt. Snow Mt. | 2042 | Comment | ||
CHSC70989 | Collomia diversifolia | Vernon Oswald; Lowell Ahart | 1998-5-7 | 9006 | Colusa | Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. At roadside. | 524 | Comment | ||
HSC31583 | Collomia diversifolia | Thomas E. Higley | 1974-5-4 | 70 | Colusa | 3/4 mi. N of T junction of Indian Valley. | 854 | Comment | ||
SEINET3860936 | Collomia diversifolia | Leigh A. Johnson, Robert L. Johnson | 2005-5-23 | 05 -081 | Colusa | Walker Ridge Road, west side along a serpentine road cut, about a half mile south of Til Jones Spring.; 0 | 817 | Comment | ||
UCD74342 | Collomia diversifolia | G. Ledyard Stebbins | 1968-5-10 | 6686 | Colusa | South end of Walker Ridge, north of Hwy 20. Near headwaters of Sulphur Creek. (Note: notebook says date of collection was 10 May. Labels made by Stebbins at CAS say 15 May.) | 762 | Comment | ||
CHSC64135 | Collomia tinctoria | David Isle | 1992-8-3 | Colusa | Snow Mountain. Just west of the helispot. | Comment | ||||
JEPS15537 | Collomia tinctoria | G. Thomas Robbins with L. R. Heckard | 1956-7-25 | 3695 | Colusa | open rocky slope in woods on ridge above Fouts Camp (along trail to Snow Mt. (about 1 1/2 mi airline se of summit), on Lake-Colusa County boundary) | 1920 | Comment | ||
RSA113933 | Collomia tinctoria | H. K. Sharsmith | 1953-7-1 | 4402 | Colusa | Linger Longer Camp, Goat Mountain, Mendocino National Forest | 1585 | Comment Read comments Jun 30 2012 |
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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 | ||
UCD73112 | 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 | ||
NY643135 | Convolvulus arvensis | R. J. Stinchfield | 1916-7-8 | 401 | Colusa | Truck garden Stinchfield Ranch - Sycamore Slough. | Comment | |||
UCR201548 | Convolvulus arvensis | George K. Helmkamp, E. A. Helmkamp | 2008-10-14 | 14266 | Colusa | Sacramento Valley, along River Road (generally following the Sacramento River), 8.4 miles north of Colusa | 17 | Comment | ||
POM66158 | Convolvulus arvensis | Roxana Stinchfield | 1916-7-8 | 401 | Colusa | Truck garden Stinchfield Ranch - Sycamore Slough. | Comment | |||
UCR205139 | Conyza canadensis | George K. Helmkamp, E. A. Helmkamp | 2008-10-14 | 14243 | Colusa | Sacramento Valley, along CA-20, 0.2 mile east of the Sutter County line | 9 | Comment | ||
UCD138921 | Corallorhiza maculata | J. M. Tucker; L. K. Mann | 1959-5-30 | 3530 | Colusa | small lake in Mill Valley, ca. 1/4 mile northwest of Lower Letts Valley, and ca. 4 miles, airline, north of Goat Mountain Lookout. | 1219 | Comment | ||
CHSC61060 | Cordylanthus palmatus | Vernon H. Oswald; Mike Wolder, Joe Silveria | 1993-7-26 | 5700 | Colusa | Tract 18 on the S side of the refuge, ca. 1 mi W of Ohm Rd, ca. 1 mi N of Ware Rd., ca. 5 mi S of Colusa. Colusa National Wildlife Refuge. | 15 | Comment | ||
JEPS83552 | Cordylanthus palmatus | R. D. Stone | 1987-8-26 | 850 | Colusa | w side of Ohm Rd ca 0.5 mi n jct. w/ Ware Rd.; Colusa Nat'l Wildlife Refuge, Arbuckle 7.5' quad. | 13 | Comment | ||
JEPS83553 | Cordylanthus palmatus | R. D. Stone | 1987-8-26 | 850 | Colusa | w side of Ohm Rd ca 0.5 mi n jct. w/ Ware Rd. (corner of Colusa Nat'l Wildlife Refuge); Colusa Nat'l Wildlife Refuge, Arbuckle 7.5' quad. | 13 | Comment | ||
UC2042496 | Cordylanthus pilosus | Holly Forbes and Barbara Keller | 2009-7-1 | Colusa | Walker Ridge Rd about 6.2 mi. N of junction with Highway 20. | Comment | ||||
CHSC105198 | Cordylanthus pilosus subsp. pilosus | B. Castro; L. P. Janeway | 1999-7-5 | 1012 | Colusa | Ca 11 air mi SSW of Stonyford, 5 mi NW of Indian Valley Reservoir, just N of Colusa/Lake Co line, along small rd to Bear Wallow Spring. In serpentine substrate on NNW-facing slope W of Lovelady Ridge rd ca 0.5 mi N of its jcn with USFS Rd 16N06, 0.6 mi NE of Pacific Point. | 1057 | Comment | ||
JEPS66469 | Cordylanthus pilosus subsp. pilosus | G. D. Carr | 1971-7-29 | 604 | Colusa | Lodoga, Lodoga-Stoneyford Rd | 396 | Comment | ||
JEPS68402 | Cordylanthus pilosus subsp. pilosus | L. R. Heckard | 1972-7-10 | 3146 | Colusa | above Happy Camp (e end of Snow Mt.) | 731 | Comment | ||
RSA125795 | Cordylanthus pringlei | R. C. Bacigalupi, G. Thomas Robbins, L. T. Dempster, L. R. Heckard | 1956-7-26 | 5748 | Colusa | At summit of ridge forming Colusa-Lake County line, on Colusa County side, east of head of Long Ridge and 0.5 mile about Fir-root Spring Public Camp. Region about 7 miles south of Snow Mountain. | 1402 | Comment | ||
UCD123117 | Cordylanthus pringlei | Craig Thomsen; Art Shapiro | 2004-9-16 | s.n. | Colusa | along Cool Springs Road. | Comment | |||
SFV8758 | Cornus glabrata | J. K. Clark | 1966-5-8 | 23 | Colusa | On Lodoga to Stongford Road, 2.5 miles northwest of Lodoga. | 320 | Comment | ||
UC1776781 | Cornus glabrata | G. F. Hrusa | 1989-5-7 | 6086 | Colusa | North Coast Ranges; Road to Cedar Mtn., along Little Stony Creek, approx. 2.5 miles above intersection with Stonyford-Lodoga Rd. Shaded area beneath Populus fremontii | 450 | Comment | ||
UCD41212 | Cornus glabrata | John Snelling | 1986-5-17 | 3 - | Colusa | 2.8 mi. west of Stonyford along Fouts Spring Road. | Comment | |||
JEPS75756 | Cornus sericea subsp. sericea | L. R. Heckard and R. Bacigalupi | 1976-9-6 | 4438 | Colusa | at margin of Trout Creek at trail crossing Snow Mt. | 1828 | Comment | ||
JEPS80825 | Cornus sericea subsp. sericea | L. R. Heckard and J. Hickman | 1981-7-31 | 5797 | Colusa | e. side Snow Mt. (Dark Hollow Creek) | 1584 | Comment | ||
CDA10282 | Cotula coronopifolia | Richard R. Halse | 2007-3-23 | 7109 | Colusa | Williams; by junction of 5th Street and B Street. N 39.1586 W 122.14724 | Comment | |||
CHSC83313 | Cotula coronopifolia | Jenny Marr; Heidi West, Caroline Warren, Natalie Wight | 1998-6-11 | Colusa | Vicinity of Funks Creek, Logan Ridge, Golden Gate, and Antelope Valley. | 121 | Comment | |||
UCD18850 | Cotula coronopifolia | Vernal Pool Team 2001; Carol Witham and Jennifer Buck | 2001-4-30 | 158 | Colusa | 2 mi. south of the town of Colusa along Hwy 20, east of Hwy 20 and the Colusa Airport, Dolan Ranch site, pool # DOL001, UTMs: 10S0587786; 4336302. | Comment | |||
UCD38810 | Crepis acuminata | Beecher Crampton | 1958-5-19 | 4803 | Colusa | 5.5 miles south of Ladoga. | Comment | |||
HSC72210 | Crepis monticola | Thomas W. Nelson, Jane P. Nelson | 1980-6-24 | 5874 | Colusa | Colusa-Lake County line; Along trail to Snow Mtn. ca. 1/2 mi. from trailhead | 1616 | Comment | ||
CHSC107292 | Cressa truxillensis | L. P. Janeway; B. Castro | 2011-7-9 | 10510 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; 1.5 km southeast of Funks Reservoir and 0.1-0.6 km northeast of Tehama-Colusa Canal. Just off of the northwest corner of the marsh. | 49 | Comment | ||
CHSC107940 | Cressa truxillensis | B. Castro; Joe Silveira, Tom Boullion | 2011-6-10 | 1885 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; ca 1 mi southeast of Funks Reservoir and 0.2 mi northeast of Tehama-Colusa Canal. At east side of large +- saline/alkaline wetland/ marsh; in vernal depression in compacted E-W road track that goes through marsh. | 49 | Comment | ||
POM66160 | Cressa truxillensis | Roxana Stinchfield | 1916-7-11 | 143 | Colusa | Willaims Road at theTrough | Comment | |||
CHSC94318 | Croton setiger | Lowell Ahart | 2006-8-9 | 13103 | Colusa | Gravel bar on the south side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford. | 422 | Comment | ||
CHSC29760 | Crypsis schoenoides | K. R. Stern | 1980-6-30 | 6651 | Colusa | Vernal pool, south central border area of Colusa National Wildlife Refuge. | 45 | Comment | ||
CHSC77404 | Crypsis schoenoides | Heidi West; Joyce Lacey-Rickert | 1998-10-29 | Colusa | Vicinity of Antelope Valley and Sites. | 109 | Comment | |||
RSA268077 | Crypsis schoenoides | J. R. Reeder, C. G. Reeder | 1972-6-6 | 5658 | Colusa | ca. 8 miles W of Live Oak, one mile S of Wildlife Area headquarters. | 183 | Comment Read comments Aug 18 2014 |
||
UC1100334 | Crypsis schoenoides | Herbert L. Mason | 1945-7-11 | 12642 | Colusa | near Butte Creek (3 mi above Colusa); Butte Lodge Outing Club | Comment | |||
UCD59814 | Crypsis schoenoides | H. L. Mason | 1945-7-11 | 12642 | Colusa | Near Butte Creek; Butte Lodge Outing Club, 3 miles above Colusa. | Comment | |||
RSA126602 | Crypsis vaginiflora | H. S. Yates | 1936-8-14 | 6131 | Colusa | Three miles south of Colusa. | 15 | Comment | ||
RSA756393 | Crypsis vaginiflora | Barbara Ertter, Elizabeth Nesse, Laura Fujii, Dawn Espindola | 1989-10-21 | 8873 | Colusa | SE end of East Park Reservoir N of Lodoga. | 366 | Comment | ||
CHSC14127 | Cryptantha | L. V. Ritter | 1969-4-30 | 236 | Colusa | Ca 100 yds. w of the junction of Highway 20 and 16, ca 50 yds. n of Highway 20. | Comment | |||
UCD84442 | Cryptantha | Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk | 2010-6-2 | 6047 | Colusa | Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here. | 817 | Comment | ||
OBI20714 | Cryptantha excavata | Robert F. Hoover | 1968-5-27 | 11099 | Colusa | Bear Creek cyn, N of Hwy 20 (near Wilbur Springs) | Comment | |||
CHSC79095 | Cryptantha flaccida | B. Castro; C. Warren | 2000-4-3 | 1048 | Colusa | Vicinity of Antelope Valley, Sites-Lodoga Rd, and Grapevine Ck. | 179 | Comment | ||
HSC45688 | Cryptantha flaccida | Patricia Shesgreen | 1978-4-22 | 31 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
JEPS81272 | Cryptantha flaccida | L. R. Heckard and J. C. Hickman | 1982-7-5 | 5882 | Colusa | s of (slope below area) Summit Springs (s side of Snow Mt.); Snow Mt. | 1500 | Comment | ||
UC1177897 | Cryptantha flaccida | Peter M. Ray | 1950-4-16 | 1715 | Colusa | junction of North Fork and Big Stony Creek (on n side of canyon) | 548 | Comment | ||
JEPS89019 | Cryptantha hispidula | Alice Eastwood and John Thomas Howell | 1938-5-16 | 5632 | Colusa | Lake-Colusa County line, on road to Williams | Comment | |||
POM311071 | Cryptantha hispidula | Leo Koch | 1940-4-29 | 936 a | Colusa | Serpentine hill near Lake and Colusa county line along highway 20, Williams Highway. | Comment | |||
UCD63124 | Cryptantha hispidula | Ellen Dean; G. Harrington, C. Thomsen, S. Harrison | 2008-5-18 | 4954 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Unnamed drainage south of Hwy 20 between Hwy 16 and Lynch Canyon that drains to Bear Creek by passing under Hwy 20. | 416 | Comment | ||
UCD82520 | Cryptantha hispidula | Craig Thomsen; G. Harrington | 2009-5-12 | 2877 | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. | 713 | Comment | ||
UCD70249 | Cryptantha hispidula | D. Sanchez-Mata | 1998-7-9 | s.n. | Colusa | Bear Valley. Destanella Flat-Walker Ridge. Annual grasslands in serpentine chaparral edges. | 450 | Comment | ||
UC1212064 | Cryptantha intermedia | Ethel Crum | 1938-5-8 | 2027 | Colusa | 3 mi n Leesville; Inner North Coast Range | Comment | |||
UC1212585 | Cryptantha intermedia | Francia Chisaki and Helen Sharsmith | 1959-5-26 | 1331 | Colusa | 5 air mi w Stonyford (above Red Bridge Camp); Inner North Coast Ranges, Mendocino National Forest | Comment | |||
UCD63020 | Cryptantha intermedia | Ellen Dean; C. Thomsen, N. Voegtly, J. Alderson, G. Harrington | 2008-3-30 | 4672 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Slopes to the west of Cowboy Camp on the west side of Bear Creek. | 419 | Comment | ||
UCD63120 | Cryptantha intermedia | Ellen Dean; G. Harrington, C. Thomsen, S. Harrison | 2008-5-18 | 4950 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Unnamed drainage south of Hwy 20 between Hwy 16 and Lynch Canyon that drains to Bear Creek by passing under Hwy 20. | 405 | Comment | ||
UCD119838 | Cryptantha intermedia | Beecher Crampton | 1958-5-19 | 4820 | Colusa | Little Stony Creek Canyon. | Comment | |||
SDSU20616 | Cryptantha intermedia var. intermedia | Ronald B. Kelley | 2008-5-6 | 1540 | Colusa | On north side of Bear Valley Road in Bear Valley, 5.8 miles south of Brim Road junction. | 387 | Comment | ||
UC596361 | Cryptantha nemaclada | R. F. Hoover | 1938-4-24 | 3217 | Colusa | w of Arbuckle (Sand Creek foothills); Sand Creek | Comment | |||
CHSC32209 | Cryptantha torreyana | James Jokerst | 1980-8-7 | 1064 | Colusa | North Coast Ranges. Near Snow Mountain (west). Ridge top. | Comment | |||
JEPS80034 | Cryptantha torreyana | L. R. Heckard | 1974-9-10 | 3900 A | Colusa | top of East Peak Snow Mt., East Peak | 2148 | Comment | ||
UCD110851 | Cupressus macnabiana | Christopher Mallek | 2008-1 | WR- 1 | Colusa | Walker Ridge. Border of Colusa and Lake Counties. | 802 | Comment | ||
UCD67665 | Cupressus macnabiana | D. Sanchez-Mata | 1996-7-3 | s.n. | Colusa | Williams. Walker Ridge. Wilburg Springs-Wintun Camp. | 850 | Comment | ||
CAS-BOT-BC80807 | Cupressus sargentii | Hugh Leech | 1971-10-9 | s.n. | Colusa | [Cook's] Cooks Springs | Comment | |||
CHSC44828 | Cupressus sargentii | David Isle | 1978-5-16 | Colusa | Frenzel Creek Research Area, about 10 mi SW of Stonyford, on Goat Mountain Road. | Comment | ||||
CHSC62835 | Cupressus sargentii | Vernon H. Oswald; Lowell Ahart | 1994-3-23 | 6010 | Colusa | Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section on the E side of Frenzel Creek, S of Stonyford. | 518 | Comment | ||
JEPS87787 | Cupressus sargentii | Vernon H. Oswald and Lowell Ahart | 1994-3-23 | 6010 | Colusa | s side Little Stony Creek (in section on e side of Frenzel Creek, s of Stonyford); Frenzel Creek Research Natural Area | 518 | Comment | ||
CDA35676 | Cuscuta approximata | CDFA Staff | 2011-11-5 | PDR# 1552505 | Colusa | Maxwell. | 0 | Comment | ||
JEPS75861 | Cuscuta californica | L. R. Heckard | 1974-9-10 | 3888 | Colusa | e of East Peak (along upper reaches of Dark Hollow Creek); Snow Mt., Dark Hollow Creek | 2011 | Comment | ||
SBBG115554 | Cuscuta californica var. californica | B. Crampton | 1961-7-20 | 5935 | Colusa | 4 mi SE of Grimes, along Knight's Landing Rd | Comment | |||
CDA36301 | Cycloloma atriplicifolium | Ed Finley | Oct 1986 | Colusa | North of Colusa, along Sacramento River. | 0 | Comment | |||
CAS-BOT-BC190176 | Cynodon dactylon | Beecher Crampton | 1958-6-26 | 4975 | Colusa | 5.5 miles south of College City. | Comment | |||
UCD60095 | Cynodon dactylon | Kathryn Johnson | 1966-5-14 | 51 | Colusa | 14 miles east of Lodoga on road to Maxwell. | Comment | |||
CAS-BOT-BC114781 | Cyperus acuminatus | Roxana Judkins [later Mrs. Ferris q.v.] Stinchfield | 1916-7-11 | 465 | Colusa | Davis tule, near Sycamore Slough. | Comment | |||
POM185713 | Cyperus acuminatus | Roxana Stinchfield | 1916-7-11 | 465 | Colusa | Davis Tule, near Sycamore Slough. | Comment | |||
CAS-BOT-BC114783 | Cyperus acuminatus | Milo S. Baker | 1946-9-4 | 11590 | Colusa | Gridley-Princeton Rd. Butte Sink. | Comment | |||
CAS-BOT-BC114730 | Cyperus difformis | John Thomas Howell | 1944-7-18 | 19838 | Colusa | Roadside hollow in shallow overflow from rice fields, 3 mi W of Williams. | 30 | Comment | ||
CHSC94416 | Cyperus difformis | Lowell Ahart | 2006-8-9 | 13143 | Colusa | North side and just east of the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
JEPS30814 | Cyperus difformis | John Thomas Howell | 1944-7-18 | 19838 | Colusa | 3 mi. w. Williams | 30 | Comment | ||
JEPS64066 | Cyperus difformis | W. L. Jepson | 1929-10-1 | 15343 | Colusa | Maxwell | 25 | Comment | ||
UC698628 | Cyperus difformis | P. B. Kennedy | 1925-9-18 | Colusa | Cortena, Colusa | Comment | ||||
UC710614 | Cyperus difformis | John Thomas Howell | 1944-7-18 | 19838 | Colusa | 3 mi. w. Williams | 30 | Comment | ||
UCD141014 | Cyperus difformis | P. B. Kennedy | 1925-9-18 | s.n. | Colusa | Cortena. | Comment | |||
UCD141018 | Cyperus difformis | Herbert L. Mason; Verne Grant | 1946-8-7 | 12983 | Colusa | 8 miles north of Colusa. | Comment | |||
CHSC94430 | Cyperus eragrostis | Lowell Ahart | 2006-8-22 | 13209 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
UC1100527 | Cyperus eragrostis | Herbert L. Mason and Verne Grant | 1946-9-5 | 13117 | Colusa | 1.6 mi. w. Williams (rd. to Lake Co.) | Comment | |||
CAS-BOT-BC114385 | Cyperus erythrorhizos | Herbert L. Mason | 1945-9-19 | 12724 | Colusa | Below causway over Butte Sink spillway, E bank of Sacramento River, 1 mi N of Colusa. | Comment | |||
UC1100519 | Cyperus erythrorhizos | Herbert L. Mason | 1945-9-19 | 12724 | Colusa | 1 mi. n. Colusa (e. bank Sacramento R., below causeway over Butte Sink spillway,); Sacramento R. | Comment | |||
UCD141054 | Cyperus erythrorhizos | H. L. Mason | 1945-9-19 | 12724 | Colusa | 1 mile N of Colusa. Below causeway over Butte Sink spillway, E bank of Sacramento River. | Comment | |||
CHSC112619 | Cypselea humifusa | Lowell Ahart | 2013-10-1 | 19073 | Colusa | Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. | 364 | Comment | ||
CAS-BOT-BC445509 | Damasonium californicum | A. A. Heller; H. E. Brown | 1902-5-1 | 5437 | Colusa | Near Colusa | Comment | |||
UCD18854 | Damasonium californicum | Vernal Pool Team 2001; Carol Witham and Jennifer Buck | 2001-4-30 | 162 | Colusa | 2 mi. south of the town of Colusa along Hwy 20, east of Hwy 20 and the Colusa Airport, Dolan Ranch site, pool # DOL001, UTMs: 10S0587786; 4336302. | Comment | |||
UCD35946 | Damasonium californicum | Beecher Crampton | 1953-4-29 | 1148 | Colusa | 7 miles east of Maxwell. | Comment | |||
SBBG119887 | Datisca glomerata | L. Ahart | 2006-8-9 | 13146 | Colusa | N side and just E of the bridge across Stony Crk, just N of Stonyford | 347 | Comment | ||
CDA41123 | Datura ferox | F. F. Swim | 1959-6-18 | 2919 | Colusa | 0 | Comment | |||
UCD57059 | Daucus pusillus | Ellen Dean; C. Thomsen, S. Bledsoe, J. Alderson, M. Starbuck | 2007-4-7 | 3653 | Colusa | BLM Payne Ranch, mouth of Craig Canyon, along unimproved road, about 2 road miles south of junction of Hwy 20 and Hwy 16. . | 316 | Comment | ||
UC1096411 | Delphinium antoninum | Helen K. Sharsmith | 1956-6-30 | 4404 | Colusa | Linger Longer Camp Inner North Coast Ranges, Mendocino National Forest, Goat Mo | 1584 | Comment | ||
UC424843 | Delphinium antoninum | unknown | 1929-7-1 | 3509 b | Colusa | between peaks Snow Mt. | 2133 | Comment | ||
CDA11416 | Delphinium hesperium subsp. pallescens | G. F. Hrusa, K. van Katwyk | 1995-4-22 | 12137 | Colusa | Inner North Coast Ranges; Small colony on low slope in partial shade of Quercus douglasii on S side of Leesville Rd. approx. 3 m. N of Hwy 20, flowers light purplish to near white. Rather tall-to 3 ft., most individuals just beginning bloom. | Comment | |||
CHSC76785 | Delphinium hesperium subsp. pallescens | Mary Ann Griggs | 1999-5-13 | Colusa | Vicinity of Antelope Valley and Sites. | 121 | Comment | |||
CHSC80059 | Delphinium hesperium subsp. pallescens | L. P. Janeway; B. Castro | 2000-5-4 | 6709 | Colusa | Vicinity of Grapevine Creek and Sites-Lodoga Road. | 259 | Comment | ||
JEPS96767 | Delphinium uliginosum | Dean W. Taylor | 1998-6-23 | 16712 | Colusa | Walker Ridge, stock pond at head Doyle Canyon (ca 1 mile SE of Baldy Mtn) | 853 | Comment | ||
UCD23392 | Delphinium variegatum | Patrick Fox | 1977-5-8 | 20 | Colusa | Open field 9.5 miles north of Highway 20 on Bear Valley Rd. | Comment | |||
UCD96611 | Delphinium variegatum | Rolf Y. Berg | 1963-3-17 | s.n. | Colusa | State Highway 16 between Cache Creek Canyon and junction with State Highway 20. | Comment | |||
UCD96729 | Delphinium variegatum | June McCaskill | 1962-5-2 | 651 | Colusa | 200 yards west of road, on road along Bear Creek from State Highway 20 north to Leesville, 3.6 miles north of Wilbur Springs turnoff. | Comment | |||
CAS-BOT-BC16955 | Delphinium variegatum subsp. variegatum | L. S. Rose | 1936-4-11 | 1210 | Colusa | Bear Creek Canyon | Comment | |||
CAS-BOT-BC16958 | Delphinium variegatum subsp. variegatum | Roxana S. Ferris | 1926-4-23 | 6582 | Colusa | field 2 miles from Stonyford | Comment | |||
UC71644 | Delphinium variegatum subsp. variegatum | Miss Alice King | 1905-1 | Colusa | College City | Comment | ||||
UCD82458 | Delphinium variegatum subsp. variegatum | Craig Thomsen; G. Harrington | 2009-5-12 | 2836 | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. | 707 | Comment | ||
HSC96981 | Delphinium variegatum subsp. variegatum | Jenny Marr, Heidi West, Joyce Lacey, Caroline Warren, Natalie Wight | 1998-4-14 | Colusa | Near Grapevine Creek, Antelope Valley, Sites-Lodoga Rd. | 137 | Comment | |||
UCD61143 | Deschampsia cespitosa | Freed W. Hoffman | 1944-7-13 | 1949 | Colusa | Between Indian and Bear valleys. | Comment | |||
SEINET3927152 | Deschampsia cespitosa | Fred W. Hoffman | 1944-7-13 | 1949 | Colusa | Between Indian and Bear valleys, western.; 0 | Comment | |||
CAS-BOT-BC192667 | Deschampsia danthonioides | Roxana S. Ferris | 1917-4-12 | 549 | Colusa | 4 miles East of Williams | Comment | |||
CHSC85968 | Deschampsia danthonioides | Jenny Marr; Heidi West, Joyce Lacey-Rickert, Caroline Warren | 1998-5-8 | Colusa | Vicinity of Sites and Antelope Valley. | 91 | Comment | |||
HSC9599 | Deschampsia danthonioides | C. B. Wolf | 1928-5-8 | 2127 | Colusa | 3 mi. S of Arbuckle Rd. on the Pacific Hwy. | Comment | |||
JEPS75435 | Deschampsia danthonioides | W. L. Jepson | 1934-5-3 | 16601 | Colusa | Stegeman sta. n. of Colusa | Comment | |||
UCD163856 | Deschampsia danthonioides | Craig D. Thomsen | 2001-4-26 | 2483 | Colusa | Bear Valley. About 7 miles north of Hwy 20. | Comment | |||
UCR212334 | Deschampsia danthonioides | Craig D. Thomsen | 2000-4-12 | 2163 | Colusa | Bear Creek Botanical Management Area. Roadside shoulder of Hwy 20 (south side), 0.5 mi west of Hwy 20/16 intersection, (c. 0.3 mi. east of Hwy 20 'Vista Point'). | 345 | Comment | ||
SEINET10524208 | Deschampsia danthonioides | A. Arthur Heller | 1902-5-1 | Heller 5435 | Colusa | Near College City. | Comment | |||
RSA756435 | Deschampsia elongata | Barbara Ertter | 1989-7-1 | 8609 | Colusa | Road to Goat Mountain Lookout 1.7 miles S of Rt. M-10 (Bear Creek-Fouts Spring Road) at head of S Fork Stony Creek, ca. 12 airmiles WSW of Stonyford. | 1463 | Comment | ||
JEPS81318 | Descurainia sophia | L. R. Heckard and J. C. Hickman | 1982-7-6 | 5933 | Colusa | slope above and e Summit Springs (on s side of Snow Mt); Snow Mt. | 1584 | Comment | ||
CHSC48252 | Dianthus armeria subsp. armeria | Vernon Oswald | 1986-6-30 | 2179 | Colusa | Mill Valley Campground near Letts Lake and Lily Pond. In a meadow. | 1188 | Comment | ||
UC1051506 | Dicentra chrysantha | Helen K. Sharsmith | 1953-6-19 | 4277 | Colusa | 1 mi n Trough Springs (on Trough Springs Ridge); Inner North Coast Ranges, Mendocino National Forest | 914 | Comment | ||
UC725575 | Dicentra chrysantha | A. A. Heller | 1940-6-5 | 15713 a | Colusa | e of Lodogo (near the foot of grade, on the Lodogo-Sites road) | Comment | |||
SEINET12103160 | Dicentra formosa | C. L. Abbott | 1926-1 | s.n. | Colusa | Colusa | Comment | |||
UC1093627 | Dichelostemma capitatum | Francia Chisaki and Gene B. Newcomb | 1958-4-1 | 1098 | Colusa | 0.7 mi nw Highway 20 junction with road to Lodoga (on road to Lodoga) | Comment | |||
CAS-BOT-BC500074 | Dichelostemma capitatum | Roxana S. Ferris | 1917-4-12 | 521 | Colusa | 4 mi east of Williams. Alkali Plains. | Comment | |||
CHSC81331 | Dichelostemma capitatum subsp. capitatum | J. Trizzino | 2001-3-31 | 17 | Colusa | Bear Valley Meadow along east side of Bear Valley Road. | 396 | Comment | ||
HSC31395 | Dichelostemma capitatum subsp. capitatum | Maralyn O'Meara, Gary S. Lester | 1974-5-4 | 350 | Colusa | Walker Ridge Rd., 0.7 mi. from junction with Little Indian Valley Rd. | 854 | Comment | ||
HSC31718 | Dichelostemma capitatum subsp. capitatum | Teresa Prendusi | 1974-5-4 | 50 | Colusa | Beyond Clyde Mine 1/8 mi. | 854 | Comment | ||
HSC45714 | Dichelostemma capitatum subsp. capitatum | Sheila Logan | 1978-4-2 | 69 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
HSC71291 | Dichelostemma capitatum subsp. capitatum | Thomas W. Nelson, Jane P. Nelson | 1979-4-11 | 4616 | Colusa | Along Leesville to SR 20 cutoff 5 mi. E of Leesville | Comment | |||
UC1053449 | Dichelostemma volubile | Rimo Bacigalupi and Arthur Holmgren | 1950-4-26 | 3173 | Colusa | 7.7 mi w Sites (Grapevine Grade to Lodoga); Grapevine Grade | Comment | |||
CAS-BOT-BC503140 | Dichelostemma volubile | David D. Keck | 1933-5-30 | 2400 | Colusa | 1 mile east of Lake County line, west of Wilbur Springs, on south slope. | Comment | |||
CAS-BOT-BC208995 | Digitaria sanguinalis | Herbert L. Mason | 1945-9-19 | 12722 | Colusa | Below causeway over Butte Sink spillway, east bank of Sacramento River, 1 mile north of Colusa. | Comment | |||
RSA725022 | Digitaria sanguinalis | L. Ahart | 2006-8-22 | 13226 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 348 | Comment | ||
UC1100288 | Digitaria sanguinalis | Herbert L. Mason | 1945-9-19 | 12722 | Colusa | 1 mi n Colusa (below causeway over Butte Sink spillway); e bank of Sacramento River, Butte Sink spillway | Comment | |||
CAS-BOT-BC152171 | Diplacus bolanderi | A. A. Heller | 1940-6-7 | 15720 | Colusa | Slope below the road on the Lodogo-Sites Road near the passing into low ground east of Lodogo | Comment | |||
CAS-BOT-BC153322 | Diplacus layneae | Herbert L. Mason | 1952-6-19 | 14305 | Colusa | Black Diamond Ridge, Mendocino National Forest | 609 | Comment | ||
SEINET8235421 | Diplacus layneae | Unknown | 1959-5-27 | 1338 | Colusa | by Cooks Creek; about 1/4 mile east of Cooks Spring. | 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 | ||
RSA0018384 | Dipsacus fullonum | Joan Stewart | 1998-6-18 | 755 | Colusa | Bear Valley | Comment | |||
CAS-BOT-BC208651 | Distichlis spicata | A. A. Heller | 1902-5-19 | 5569 | Colusa | Near Colusa. | Comment | |||
UCD61480 | Distichlis spicata | Ellen Dean; G. Harrington, N. Voegtly, J. Alderson, C. Thomsen | 2007-6-24 | 3887 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwy 16 and Hwy 20. West of BLM equestrian parking lot (Cowboy Camp) on west side of Bear Creek. Approximately 1000 ft NW of parking lot. | 339 | Comment | ||
UCD64213 | Distichlis spicata var. stricta | Beetle | 1946-6-27 | 4685 | Colusa | Junction of Wilber Springs Rd. and State Hwy. 20. | Comment | |||
UCD64465 | Distichlis spicata var. stricta | Beetle | 1946-6-27 | 4686 | Colusa | Junction of Wilber Springs Rd. and State Hwy. 20. | Comment | |||
CHSC116063 | Dodecatheon hendersonii | Richard R. Halse | 2014-3-25 | 9030 | Colusa | Along the Sites-Logoda Road ca. 4.7 miles northeast of Logoda; on the west end of Grapevine Pass. | 527 | Comment | ||
RSA10950 | Dodecatheon hendersonii | Victor Duran | 1933-4-2 | 3378 | Colusa | Stonyford. | 305 | Comment | ||
UCD162980 | Dodecatheon hendersonii | Craig D. Thomsen | 2002-2-7 | 2562 | Colusa | Bear Creek Botanical Management Area. Roadside shoulder of Hwy 20 (south side), about 1.2 miles west of Hwy 20/16 intersection, west end of large turnout. | 345 | Comment | ||
UCD97119 | Dodecatheon hendersonii | Ellen Dean; G. Harrington, J. Alderson | 2011-4-10 | 6902 | Colusa | Along Brim Rd on east slope of Walker Ridge (Brim Rd becomes Bartlett Springs Rd). | 438 | Comment | ||
UCR70827 | Dodecatheon hendersonii | Victor Duran | 1933-4-2 | 3378 | Colusa | Stonyford | 305 | Comment | ||
CHSC48008 | Downingia elegans | Vernon Oswald | 1984-7-20 | 1616 | Colusa | Lily Pond n of Letts Lake in Mendocino National Forest. | 1280 | Comment | ||
CHSC79145 | Downingia insignis | B. Crampton | 1953-4-29 | 1145 | Colusa | Along the road, about 3 miles east of Maxwell. | Comment | |||
UC1192040 | Downingia insignis | Herbert L. Mason | 1953-4-5 | 14506 | Colusa | 3 mi e Maxwell | Comment | |||
POM312375 | Downingia insignis | H. L. Mason | 1953-4-5 | 14506 | Colusa | 3 miles east of Maxwell | Comment | |||
POM59020 | Downingia pulchella | A. A. Heller, H. E. Brown | 1902-5-1 | s.n. | Colusa | Near College City. | Comment | |||
RSA261511 | Downingia pulchella | L. L. Ferwerda | 1968-5-4 | 17 | Colusa | In Bear Valley, ca. 11 miles NW of State hwy 20. | 409 | Comment | ||
UC70438 | Drosera rotundifolia | Milo S. Baker | 1898-8-22 | 555 | Colusa | Bear Valley Mts.; along stream | Comment | |||
HSC45678 | Dudleya cymosa | Stephen Plant | 1978-4-22 | 203 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
UCD81726 | Dudleya cymosa | Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia | 2009-5-27 | 5729 | Colusa | Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road. | 864 | Comment | ||
UCD14239 | Dudleya cymosa | Ed Taub | 1974-4-28 | 109 | Colusa | Colusa County; off of Bear Valley Road, about 5 miles from Highway 20; | 304 | Comment | ||
CHSC94397 | Echinochloa crus-galli | Lowell Ahart | 2006-8-22 | 13233 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
JEPS110361 | Echinochloa crus-galli | Lowell Ahart | 2006-8-22 | 13215 | Colusa | South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford | 349 | Comment | ||
SEINET241777 | Echinochloa crus-galli | Beecher Crampton | 1965-7-8 | 7448 | Colusa | 4.5 miles south of Grimes | Comment | |||
UCD32927 | Echinochloa crus-galli | Beecher Crampton | 1965-7-8 | 7447 | Colusa | Colusa County, 2 miles south of Sycamore. | Comment | |||
UCD32929 | Echinochloa crus-galli | Beecher Crampton | 1965-7-8 | 7448 a | Colusa | Colusa County, 4.5 miles south of Grimes. | Comment | |||
UCD34847 | Echinochloa crus-galli | Beecher Crampton | 1963-9-9 | 6893 | Colusa | 1/4 mile E of Cortena. | Comment | |||
UCD60898 | Echinochloa crus-galli | K. Esau and D. Hartman | 1941-7-17 | Colusa | Near Williams. | Comment | ||||
UCD34846 | Echinochloa oryzicola | Beecher Crampton | 1963-9-9 | 6892 | Colusa | 1/4 mile E of Cortena. | Comment | |||
UCD61111 | Echinochloa oryzicola | P. B. Kennedy | 30-31 May 1922 | Colusa | Colusa County. | Comment | ||||
UCD61175 | Echinochloa oryzoides | P. B. Kennedy | 1928-9-15 | Colusa | Cortena. | Comment | ||||
RSA518796 | Echinodorus berteroi | Barbara Ertter, E. Neese, Laura Fujii, Dawn Espindola | 1989-10-21 | 8879 | Colusa | NW side of East Park Reservoir near end of East Park Road form Stonyford. | 366 | Comment | ||
CAS-BOT-BC291140 | Eclipta prostrata | Herbert L. Mason | 1945-9-19 | 12725 | Colusa | Below causway over Butte Sink spillway, east bank of Sacramento River, 1 mile north of Colusa | Comment | |||
UCD95151 | Ehrendorferia chrysantha | K. Esau | 1934-5-5 | s.n. | Colusa | above Williams, Tahoe-Ukiah Highway. | Comment | |||
UCD110439 | Elatine ambigua | June McCaskill | 1954-8-9 | 357 | Colusa | ca. 2 miles east of Princeton and 300 yards south of Glenn County line. | Comment | |||
UC1100601 | Eleocharis engelmannii | Malcolm A. Nobs, S. Galen Smith | 1949-7-18 | 1006 | Colusa | 2.5 mi W of Williams | Comment | |||
UCD49592 | Eleocharis engelmannii | S. Galen Smith; Malcolm A. Nobs | 1949-7-18 | 1006 | Colusa | West of Williams, 2.5 miles, Colusa County. | Comment | |||
CAS-BOT-BC112754 | Eleocharis macrostachya | Herbert L. Mason; Verne Grant | 1946-8-6 | 12956 -B | Colusa | Pond on Colusa/Marysville Hwy, 4 mi S of Colusa, W side of Sacramento River. | Comment | |||
CHSC79857 | Eleocharis macrostachya | L. P. Janeway | 2000-5-31 | 6776 | Colusa | Inner North Coast Ranges. At Candy Bucket Springs, on the south side of canyon of Stony Creek. | 628 | Comment | ||
UC1100581 | Eleocharis macrostachya | Malcolm A. Nobs, S. Galen Smith | 1949-7-18 | 1006 a | Colusa | 2 mi W of Williams | Comment | |||
UCD49729 | Eleocharis montevidensis | D. Sanchez-Mata | 1998-7-10 | s.n. | Colusa | Lodoga-Stonyford. Mendocino National Forest. Goat Mountain between Lodoga and Red Rock Cabin. | 420 | Comment | ||
POM313049 | Eleocharis obtusa var. engelmannii | Malcolm A. Nobs, S. Galen Smith | 1949-9-9 | 1878 | Colusa | Rice fields 3 miles west of Williams | Comment | |||
UCD164140 | Elymus elymoides | Craig Thomsen | 2003-6-1 | s.n. | Colusa | Bear Valley. About 9 miles north of Hwy 20. Near corner of sharp turn in central Bear Valley. | Comment | |||
UCD82516 | Elymus elymoides | Craig Thomsen; G. Harrington | 2009-5-12 | 2874 | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. | 710 | Comment | ||
SEINET10564646 | Elymus elymoides | A. Arthur Heller | 1916-6-6 | Heller 12357 | Colusa | Coast range on the grade about 3 miles west of Leesville in the oak and digger pine belt on open gravelly slopes. Scrub oak, Heteromeles, & Toxicodendron are common shrubs. | Comment | |||
CHSC91005 | Elymus glaucus | D. Isle | 2002-6-28 | 177 | Colusa | Mendocino National Forest--North Coast Ranges. Little Stony Creek Watershed. Below 4x4 Rd. 17N31 (Lovelady Ridge Jeep Rd.). | 1060 | Comment | ||
UCD82486 | Elymus glaucus | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5673 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 869 | 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 | ||
CAS-BOT-BC228536 | Elymus multisetus | A. A. Heller | 1916-6-6 | 12357 | Colusa | Coast Range on the grade about 3 miles west of Leesville | Comment | |||
CAS-BOT-BC228537 | Elymus multisetus | A. A. Heller | 1916-6-6 | 12357 | Colusa | Grade about 3 miles west of Leesville | Comment | |||
UCD61453 | Elymus multisetus | Ellen Dean; G. Harrington, N. Voegtly, J. Alderson, C. Thomsen | 2007-6-24 | 3899 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwy 16 and Hwy 20. West of BLM equestrian parking lot (Cowboy Camp) on west side of Bear Creek. Approximately 1/2 mile SW of parking lot. North of Eula Canyon. | 420 | Comment | ||
UCD62453 | Elymus multisetus | A. A. Heller | 1916-6-6 | 12357 | Colusa | Grade about 3 miles west of Leesville. | Comment | |||
UC1795019 | Elytrigia elongata | R. K. Brummitt | 1997-6-11 | 19696 | Colusa | 1 km W of Colusa on Route 20 | 100 | Comment | ||
CDA15477 | Elytrigia intermedia subsp. intermedia | G. F. Hrusa, T. D. Wilfred | 1998-6-19 | 14614 | Colusa | North Coast Ranges; Small colony on roadside and up into edge of Adenostoma/Quercus berberidifolia chaparral, above upper Little Stony Creek. Goat Mtn. Rd. ~ 1.5 km. W of of campground. Non-serpentine. Infestation in distinct clumps. | Comment | |||
HSC48169 | Emmenanthe penduliflora | Thomas W. Nelson, Jane P. Nelson | 1978-4-29 | 3933 | Colusa | Along Bear Valley Rd., 2 mi. from the junction with State Route 20. | 366 | Comment | ||
JEPS16205 | Emmenanthe penduliflora | Rimo Bacigalupi and Arthur Holmgren | 1950-4-26 | 3180 | Colusa | Just west of base of the grade to Indian Valley (Bartlett Mt. Road), just west of Bear Valley, Inner North Coast Ranges | Comment | |||
CHSC60744 | Emmenanthe penduliflora var. penduliflora | Vernon H. Oswald; Lowell Ahart | 1993-5-27 | 5431 | Colusa | Sites-Lodoga Rd. ca 0.4 mi W of Grapevine Pass (4.6 road mi E of Lodoga). In loose mudstone along the road. | 481 | Comment | ||
UC1614404 | Epilobium | Charles M. Belshaw | 1937-4-25 | 2828 | Colusa | Inner North Coast Range, Cooks Spring, Devils Ridge Devils Ridge; Inner North Coast Range, Cooks Spring, Devils Ridge | Comment | |||
UCD55446 | Epilobium brachycarpum | Ellen Dean; Gordon Harrington | 2006-10-6 | 3271 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Ranch can be accessed via north gate which is located on a road on the S side of State Route 20, 2.3 road miles W of jct of State Routes 16 and 20. In Thompson Canyon, along dirt road that parallels ephemeral drainage. | 374 | Comment | ||
UC73325 | Epilobium campestre | Miss M. Alice King | 1905-1 | Colusa | near College City; Sacramento Valley | Comment | ||||
UCD66925 | Epilobium campestre | Craig D. Thomsen; G. Harrington | 2008-7-6 | 2786 | Colusa | BLM Payne Ranch. Lands to the SW of the jct of Hwys 20 and 16. Western side of ranch, near ridge trail that follows the border of Colusa/Lake Counties. Dunsfield Flat stock pond. | 609 | 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 | ||
JEPS75838 | Epilobium canum subsp. latifolium | L. R. Heckard | 1974-9-11 | 3954 | Colusa | along Summit Springs trail Snow Mt.; , Summit Springs trail | 1737 | Comment | ||
CHSC113043 | Epilobium ciliatum subsp. ciliatum | Lowell Ahart | 2013-10-1 | 19101 | Colusa | Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. | 364 | Comment | ||
SBBG120018 | Epilobium ciliatum subsp. glandulosum | L. Ahart | 2006-8-9 | 13139 | Colusa | N side and under the bridge across Stony Crk, just N of Stonyford | 347 | Comment | ||
CHSC86819 | Epilobium cleistogamum | Jenny Marr; Heidi West, Caroline Warren | 1998-7-1 | Colusa | Vicinity of Sites, Golden Gate, Stone Corral Creek, and Funks Creek. Vernal pools. | 103 | Comment | |||
CHSC94471 | Epilobium densiflorum | Lowell Ahart | 2006-8-9 | 13140 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
JEPS80388 | Epilobium densiflorum | L. R. Heckard and J. Hickman | 1981-6-22 | 5621 | Colusa | big meadow along creek Snow Mt., Dark Hollow Creek | 1889 | Comment | ||
JEPS73520 | Epilobium minutum | L. R. Heckard | 1972-7-10 | 3138 | Colusa | between Foutch Camp and Trout Creek crossing; Snow Mt. | 1828 | Comment | ||
UC638664 | Epilobium minutum | Ethel Crum | 1938-5-7 | 2018 | Colusa | 4.2 mi n Rumsey (summit of ridge); Inner North Coast Range, Comanche Hills | 254 | Comment | ||
UCD164046 | Epilobium minutum | Richard Philbrook | 2016-4-9 | 4 | Colusa | BLM Bear Creek Ranch (Previously Payne Ranch). Lands to the SW of jct of Hwys 16 and 20. Just southwest of corral at junction of 16 and 20. Northeast facing slopes of hill. | 343 | Comment | ||
CHSC94473 | Epilobium torreyi | Lowell Ahart | 2006-8-9 | 13117 A | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
RSA724896 | Equisetum laevigatum | L. Ahart | 2006-8-22 | 13210 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 348 | Comment | ||
CHSC113050 | Eragrostis hypnoides | Lowell Ahart | 2013-10-1 | 19077 | Colusa | Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. | 364 | Comment | ||
CHSC115631 | Eragrostis hypnoides | David Isle; Rhonda Isle | 2014-9-27 | 2143 | Colusa | Northern Sacramento Valley Foothills: W side East Park Reservoir, ~0.3 mi S of boatlaunch, ~ 100 yds E of normal lake edge in muddy clay soil. (Gilmore Peak California: 10S -0541629E, 4355225N). | 353 | Comment | ||
CHSC115633 | Eragrostis hypnoides | David Isle; Terril Wolt | 2014-9-24 | 2139 | Colusa | Northern Sacramento Valley Foothills: W side East Park Reservoir, ~0.3 mi S of boatlaunch, ~ 100 yds E of normal lake edge in muddy clay soil. (Gilmore Peak California: 10S -0541629E, 4355225N). | 353 | Comment | ||
RSA0119053 | Eragrostis hypnoides | David Isle, Rhonda Isle | 2014-9-27 | 2143 | Colusa | Northern Sacramento Valley Foothills: W side East Park Reservoir, ~0.3 mi S of boatlaunch, ~100 yds E of normal lake edge in muddy clay soil. | 354 | Comment | ||
JEPS110406 | Eragrostis pectinacea var. pectinacea | Lowell Ahart | 2006-8-22 | 13206 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford | 347 | Comment | ||
UCR261635 | Eriastrum abramsii | Ann Howald | 2003-5-29 | 2344 | Colusa | Inner North Coast Ranges, Indian Valley, east side of East Park Reservoir, c. 3.6 miles north of Lodoga, 0.1 mi south of Chisolm Cove Group Campground | 385 | Comment Read comments Dec 15 2016 |
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UC1299602 | Eriastrum brandegeeae | Freed W. Hoffman | 1947-6-20 | 1605 | Colusa | road from Stonyford to Fouts Springs | Comment | |||
CHSC89854 | Ericameria linearifolia | B. Castro; L. P. Janeway | 2001-4-18 | 1238 | Colusa | Vicinity of Grapevine Creek, Sites-Lodoga Road, and Scotties Spring. On edges of low terrace just above riparian corridor paralleling dirt road, adjacent to perennial N-S-trending creek. | 268 | Comment | ||
HSC72122 | Ericameria linearifolia | J. P. Smith, Thomas W. Nelson, Jane P. Nelson | 1978-4-1 | 9527 | Colusa | Walker Ridge Road, 3.2 mi. from its junction with State Route 20. | Comment | |||
JEPS31350 | Ericameria linearifolia | W. L. Jepson | 1932-5-9 | 16294 | Colusa | n of Stonyford | 365 | Comment | ||
JEPS26165 | Ericameria nauseosa var. speciosa | Peter H. Raven, R. Snow | 1959-9-11 | 14416 | Colusa | 0.5 mi s of Snow Mountain | 1920 | Comment | ||
JEPS75830 | Ericameria nauseosa var. speciosa | L. R. Heckard | 1974-9-11 | 3947 | Colusa | rocky promontory overlooking Fouts Springs, se corner of Snow Mt. Snow Mt., Fouts Springs | 1889 | Comment | ||
SEINET251843 | Erigeron | L. Shultz, J. Shultz | 1986-9-20 | 10226 | Colusa | 10 miles west of Colusa on Highway 20 | Comment | |||
JEPS80754 | Erigeron inornatus var. inornatus | L. R. Heckard and J. C. Hickman | 1981-7-29 | 5721 | Colusa | Spur, about .75 km se Summit Springs; Snow Mt., Summit Springs | 1554 | Comment | ||
JEPS73515 | Erigeron petrophilus var. petrophilus | L. R. Heckard | 1972-7-10 | 3133 | Colusa | overlooking and 3 mi nw Fouts Springs (se corner of Snow Mt.); Snow Mt. | 1828 | Comment | ||
JEPS75738 | Erigeron petrophilus var. petrophilus | L. R. Heckard | 1974-9-10 | 3899 | Colusa | e slope East Peak; Snow Mt., East Peak | 2103 | Comment | ||
POM257160 | Eriodictyon californicum | Lincoln Constance | 1939-5-14 | 2488 | Colusa | Above Middle Fork of Stony creek 2.5 miles E of Bonnie View, Inner N Coast Ranges | 518 | Comment | ||
UC1733756 | Eriodictyon californicum | Kay H. Beach | 1940-5-16 | 647 | Colusa | Colusa and Lake county line | Comment | |||
RSA60348 | Eriodictyon californicum | G. R. Campbell | 1948-6-18 | 649 | Colusa | 2 miles south of Wilbur Springs. | Comment | |||
CHSC112641 | Eriogonum dasyanthemum | Lowell Ahart | 2013-10-1 | 19066 | Colusa | Inner North Coast Range. Near a small drainage, north of the wash and State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 566 | Comment | ||
CHSC92835 | Eriogonum dasyanthemum | D. Isle | 2000-6-7 | 1245 | Colusa | Mendocino National Forest -- North Coast Ranges Little Stony Creek Watershed. Junction of Frenzel Creek with Little Stony Creek Road. | 426 | Comment | ||
CHSC94726 | Eriogonum dasyanthemum | Lowell Ahart | 2006-6-11 | 12680 | Colusa | On the east side of an off road trail (Trail 30), about 100 yards south of Fouts Road, about 5 miles (by road) west of Stonyford. | 613 | Comment | ||
UC1736002 | Eriogonum dasyanthemum | Dean W. Taylor | 1992-6-10 | 12693 | Colusa | Highway 162 Alder Springs Road, ca. 4 miles west from junction in Stony Creek valley | 762 | Comment Read comments Feb 23 2009 |
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UCD163236 | Eriogonum dasyanthemum | Craig D. Thomsen | 2000-6-7 | 2362 | Colusa | Bear Creek Botanical Management Area. CalTrans right-of-way along Hwy 20 (south side), about 1 mile west of Hwy 20/16 intersection. | 345 | Comment | ||
UCD66538 | Eriogonum dasyanthemum | Craig D. Thomsen | 2001-5-24 | 2498 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
UCR228281 | Eriogonum dasyanthemum | Ellen Dean, Gordon Harrington, Craig D. Thomsen, S. Harrison | 2008-5-18 | 4952 | Colusa | Payne Ranch, owned by BLM, lands to the southwest of the intersection of Hwys 20 and 16. Unnamed drainage south of Hwy 20 between Hwy 16 and Lynch Canyon that drains to Bear Creek by passing under Hwy 20 | 402 | Comment | ||
UCR261730 | Eriogonum dasyanthemum | Ann Howald | 2003-5-29 | 2353 | Colusa | Inner North Coast Ranges, Indian Valley, east side of East Park Reservoir, c. 3.7 miles north of Lodoga, near Chisolm Cove Group Campground | 378 | Comment | ||
CAS-BOT-BC242578 | Eriogonum dasyanthemum | A. J. Bassinger | 1920-10-29 | s.n. | Colusa | Sand Creek | Comment | |||
CDA22488 | Eriogonum dasyanthemum | T. C. Fuller | 1958-5-27 | Colusa | Highway 20, 1.5 miles west of junction with Highway 16. | 0 | Comment | |||
JEPS57028 | Eriogonum dasyanthemum | W. L. Jepson | 1934-7-28 | 16749 | Colusa | hills se of Cortina Valley | Comment | |||
OBI47577 | Eriogonum dasyanthemum | L. F. LaPre | 1986-5-30 | s.n. | Colusa | 1.5 mi W of Mendocino NF boundary on Stony Crk rd | 671 | Comment | ||
UCD99909 | Eriogonum dasyanthemum | Grady L. Webster | 1977-5-15 | 7680 | Colusa | Along Bear Creek, ca. 2 mile W of Route 20 along Wilbur Springs Road. | 365 | Comment | ||
CAS-BOT-BC250371 | Eriogonum gracile | Roxana Stinchfield | 1916-6-18 | 307 | Colusa | Near College City | Comment | |||
RSA96804 | Eriogonum luteolum | Percy C. Everett, E. K. Balls | 1954-10-17 | 20336 | Colusa | West slope Goat Mt., 0.9 mile SW from Linger Longer campsite; road from Stonyford to Upper Lake | 1829 | Comment | ||
CHSC32218 | Eriogonum nervulosum | James Jokerst | 1980-9-6 | 1055 | Colusa | Near Snow Mountain (West). | Comment | |||
UCD55453 | Eriogonum nudum | Ellen Dean; Gordon Harrington | 2006-10-6 | 3277 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Ranch can be accessed via north gate which is located on a road on the S side of State Route 20, 2.3 road miles W of jct of State Routes 16 and 20. In Thompson Canyon, along dirt road that parallels ephemeral drainage. | 374 | Comment | ||
CHSC75622 | Eriogonum nudum var. nudum | Vernon H. Oswald; Lowell Ahart | 1999-6-22 | 9771 | Colusa | Fouts Spring Rd. (M10) 6.1 mi west of Stonyford-Elk Creek Rd. | 548 | Comment | ||
IRVC29687 | Eriogonum nudum var. pubiflorum | Mark A. Elvin, Mark S. Brunell, David Isle | 2006-8-3 | 5031 | Colusa | Snow Mtn; Summit Spring Trail; 1.4km W of Snow Mtn West summit; 800m N of Cedar Camp. Southern Northern Inner Coast Ranges | 1989 | Comment | ||
JEPS75856 | Eriogonum spergulinum var. reddingianum | L. R. Heckard | 1974-9-10 | 3894 | Colusa | e ridge of East Peak, Snow Mt. Snow Mt. | 2042 | Comment | ||
RSA133246 | Eriogonum spergulinum var. reddingianum | Peter H. Raven, Richard Snow | 1959-9-11 | 14419 | Colusa | Openings in forest of Pinus ponderosa, Dark Hollow Creek. | 1860 | Comment | ||
CHSC32225 | Eriogonum strictum var. greenei | James Jokerst | 1980-8-20 | 1099 | Colusa | North Coast Ranges. Near Solomon Peak. | Comment Read comments Aug 20 2014 |
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UCR44921 | Eriogonum tripodum | L. F. LaPre | 1986-5-30 | s.n. | Colusa | 1.5 mi west of Mendocino National Forest Boundary on Stony Creek Rd [c. 4 mi. west of Stonyford] | 671 | Comment | ||
CHSC117782 | Eriogonum tripodum | David Isle; Terril Wolt | 2016-6-16 | 2164 | Colusa | North Coast Range: 3/4 mi NE of Fouts Springs and 1/4 mi WNW of Davis Flat on greenish, rocky serpentine ridge. | 549 | Comment | ||
CHSC92594 | Eriogonum umbellatum var. bahiiforme | David W. Isle | 2005-8-1 | 1155 | Colusa | Mendocino National Forest--North Coast Ranges. Little Stony Creek Watershed. In the saddle and ridge top 1/3 mile South of Goat Mountain lookout. | 1804 | Comment | ||
RSA713163 | Eriogonum umbellatum var. bahiiforme | D. Isle | 2005-8-1 | 1155 | Colusa | Mendocino National Forest: Little Stony Creek Watershed. In the saddle and ridge top 1/3 mile south of Goat Mountain Lookout. | 1805 | Comment | ||
CHSC91046 | Eriophyllum lanatum | D. Isle | 2003-6-12 | 371 | Colusa | Mendocino National Forest--North Coast Ranges. Little Stony Creek Watershed. GPS 10S 524888E 4345370N, ridgetop. | 1816 | Comment | ||
UCR44912 | Eriophyllum lanatum | L. F. LaPre | 1986-5-30 | s.n. | Colusa | Stony Creek Rd, 2.2 mi. west of Mendocino National Forest boundary, NE of Clear Lake | 678 | Comment | ||
CAS-BOT-BC308095 | Eriophyllum lanatum var. achilleoides | Pat Daly; Rudy Galindo | 1988-4-16 | 54 | Colusa | 3.7 miles west on Goat Mountain Road off of Lodoga-Stonyford Road to Digger Pine Campground | 451 | Comment | ||
CAS-BOT-BC308098 | Eriophyllum lanatum var. achilleoides | A. A. Heller | 1916-6-6 | 12353 | Colusa | Coast Range on the grade about 3 miles west of Leesville | Comment | |||
HSC44471 | Eriophyllum lanatum var. achilleoides | R. York | 1978-4-22 | 132 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
CAS-BOT-BC301383 | Eriophyllum lanatum var. grandiflorum | Roxana S. Ferris | 1926-4-23 | 6411 | Colusa | On grade beyond Mountain House on Williams--Stonyford Road | Comment | |||
POM163461 | Eriophyllum lanatum var. grandiflorum | Roxana S. Ferris | 1926-4-23 | 6411 | Colusa | Grade beyond the Mountain House on the Williams-Stonyford Road. | Comment | |||
UCD38807 | Eriophyllum lanatum var. grandiflorum | Beecher Crampton | 1958-5-19 | 4813 | Colusa | Little Stony Creek canyon, west of Ladoga. | Comment | |||
SEINET11850784 | Eriophyllum staechadifolium | C. L. Abbott | 1926-1 | s.n. | Colusa | Colusa | Comment | |||
HSC45749 | Erodium cicutarium | Stephen Plant | 1978-4-22 | 213 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
UCR212363 | Erodium cicutarium | Craig D. Thomsen | 2000-3-31 | 2083 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mi west of Hwy 20/16 intersection, milepost 3.00 | 310 | Comment | ||
HSC31597 | Erodium cicutarium | Thomas E. Higley | 1974-5-5 | 86 | Colusa | 0.5 mi. S of N Fork Campground | 412 | Comment | ||
UC73402 | Erodium macrophyllum | Miss M. Alice King | 1905-1 | Colusa | near Arbuckle (near College City, Sacramento Valley); Sacramento Valley | Comment | ||||
UC1487274 | Eryngium aristulatum var. aristulatum | Yusuf Sheikh and Lincoln Constance | 1973-5-12 | 542 | Colusa | s. Leesville (on Bear Valley Rd. toward Clear Lake, 1 mi. s. of Brim Rd., 13.3 mi. n. of State Hwy. 20) | Comment | |||
UCR198153 | Eryngium aristulatum var. aristulatum | Gordon Harrington | 2007-6-29 | 70 | Colusa | BLM Payne Ranch, just west of the Hwy 20/Hwy 16 intersection, c. 300 ft uphill to the west of the corral | 326 | Comment | ||
CDA12013 | Erysimum capitatum | G. F. Hrusa | 1990-4-8 | 7665 | Colusa | North Coast Biodiversity Arena; Road into Bear Valley from the S, passing Wilbur Springs, and originating at Hwy. 20. | Comment | |||
UCD163847 | Erysimum capitatum | Craig D. Thomsen | 2000-5-30 | 2273 | Colusa | Bear Valley. About 7 miles north of Hwy 20. | Comment | |||
CAS-BOT-BC40755 | Erysimum capitatum | G. B. Rossbach; R. P. Rossbach | 1938-5-31 | 851 | Colusa | About 18 miles west of Williams. | Comment | |||
CHSC75599 | Erysimum capitatum var. capitatum | Vernon H. Oswald; Lowell Ahart | 1999-6-22 | 9776 | Colusa | Lily Pond near Upper Letts Lake west of Stonyford. Adjacent to meadow at the Lily Pond. | 1243 | Comment | ||
RSA101910 | Erysimum capitatum var. capitatum | G. B. Rossbach, Ruth P. Rossbach | 1938-5-31 | 851 | Colusa | About 18 miles W of Williams. | Comment | |||
JEPS120998 | Erysimum cheiranthoides | Lowell Ahart | 2013-5-1 | 18665 | Colusa | On the E side of Bear Valley Road, about 2.5 road miles NW of intersection of Hwy 20 and Bear Valley Road. | Comment | |||
CHSC1751 | Erythranthe bicolor | L. Oliver | 1935-5-3 | Colusa | Comment | |||||
CHSC94447 | Erythranthe cardinalis | Lowell Ahart | 2006-8-9 | 13157 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
CAS-BOT-BC402661 | Eschscholzia caespitosa | Mrs. H. C. Cantelow | 1936-4-11 | s.n. | Colusa | Bear Creek Canyon | Comment | |||
CAS-BOT-BC402663 | Eschscholzia caespitosa | Roxana S. Ferris | 1926-4-23 | 6426 | Colusa | Summit of grade, Williams - Stonyford Road | Comment | |||
CHSC100950 | Eschscholzia caespitosa | Rodney Lacey | 2008-4-1 | Colusa | Inner North Coast Ranges. Little Stony Creek; on private dirt road adjacent to Goat Mountain Road, near Lodoga-Stonyford Road, approximately 3.2 km west of Lodoga. | 398 | Comment | |||
HSC62925 | Eschscholzia caespitosa | Marla J. Carollo | 1979-4-14 | 36 | Colusa | Bear Valley Rd., 3.9 mi. N of Hwy. 20 | 412 | Comment | ||
RSA388342 | Eschscholzia caespitosa subsp. caespitosa | Harold Grams | 1975-4-12 | 5 | Colusa | State Highway 16, 16 miles north of Rumsey | Comment | |||
UCD93924 | Eschscholzia californica | D. Sanchez-Mata | 1998-6-24 | s.n. | Colusa | Bear Valley. Bear Valley Road. Bear Valley Creek. Serpentine chaparral (Ceanotho albiflori-Quercetum duratae Sanchez-Mata, Barbour and Rodriguez in Rivas-Martinez 1997). | 450 | Comment | ||
SD8240 | Eschscholzia californica | Brandegee | Apr 1889 | Colusa | Comment | |||||
CAS-BOT-BC5880 | Eschscholzia caruifolia | Mary Katherine (Mrs.) Brandegee | 1889-4-1 | s.n. | Colusa | Leesville | Comment | |||
CHSC42185 | Eschscholzia lobbii | S. A. Zaitz | 1986-4-5 | 11 | Colusa | Ca. 0.3 mi w of jct. of Hwys 20 and 16, s side of Bear Ck, ca. 18 mi sw of Williams. | 321 | Comment | ||
UCD55467 | Euphorbia serpillifolia | Ellen Dean; Gordon Harrington | 2006-10-6 | 3292 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Ranch can be accessed via north gate which is located on a road on the S side of State Route 20, 2.3 road miles W of jct of State Routes 16 and 20. In Thompson Canyon, along dirt road that parallels ephemeral drainage. | 362 | Comment | ||
CHSC112255 | Euphorbia spathulata | Lowell Ahart; John Dittes, Josephine Guardino | 2013-4-26 | 18645 | Colusa | Inner North Coast Range. On the north side of State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 566 | Comment | ||
CHSC59969 | Euphorbia spathulata | J. M. Tucker | 1978-5-6 | 4407 | Colusa | In field on east side of Bear Valley Road, 10.6 miles (by road) north of junction with State Highway 20. Valley floor of Bear Valley. | 381 | Comment | ||
CHSC79501 | Euphorbia spathulata | B. Castro; L. P. Janeway | 2000-5-2 | 1110 | Colusa | Vicinity of Sites, Sites-Lodoga Rd, and Grapevine Creek. | 234 | Comment | ||
JEPS94798 | Euphorbia spathulata | Vernon Oswald and Lowell Ahart | 1998-5-7 | 9002 | Colusa | Bartlett Springs Road 2.1 mi w of Bear Valley Road (0.8 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road | 524 | Comment | ||
UCD164032 | Euphorbia spathulata | Indya Messier | 2016-4-9 | 6 | Colusa | BLM Bear Creek Ranch (previously Payne Ranch). Lands to the SW of jct of Hwys 16 and 20. Destinella flat. | 553 | Comment | ||
UCD57284 | Euphorbia spathulata | Ellen Dean; C. Thomsen, S. Bledsoe, J. Alderson, M. Starbuck | 2007-4-7 | 3655 | Colusa | BLM Payne Ranch. Craig Canyon. West of Hwy. 16, ca. 2 road miles south of junction of Hwy. 20 and Hwy. 16. Along unimproved road. | 322 | Comment | ||
UCD64248 | Euphorbia spathulata | Craig D. Thomsen | 2000-3-31 | 2050 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UCD64283 | Euphorbia spathulata | Craig D. Thomsen | 2000-3-31 | 2105 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UCD82371 | Euphorbia spathulata | Robin McMaster | 1973-4-15 | 344 | Colusa | 0.5 mi towards Bartlett Springs from Bear Valley Road. | Comment | |||
UCD57295 | Extriplex joaquinana | Ellen Dean; C. Thomsen, S. Bledsoe, J. Alderson, M. Starbuck | 2007-4-7 | 3666 | Colusa | BLM Payne Ranch. Near origin of Craig Canyon. West of Hwy. 16, ca. 2 road miles south of junction of Hwy. 20 and Hwy. 16. | 359 | Comment | ||
JEPS120963 | Festuca microstachys var. microstachys | Lowell Ahart | 2013-5-1 | 18696 | Colusa | Near a small drainage, N of the wash and N side of Hwy 20, just E of the Lake County Line, 12.2 air miles ENE of the town of Clear Lake, 17.1 air miles W of Williams. | Comment | |||
HSC48195 | Frangula californica subsp. californica | Thomas W. Nelson, Jane P. Nelson | 1978-4-29 | 3961 | Colusa | Along Bear Valley Rd., 2.5 mi. from junction with Hwy. 20 | 366 | Comment | ||
CAS-BOT-BC63015 | Frangula californica subsp. crassifolia | A. A. Heller | 1916-6-6 | 12359 | Colusa | Coast Range on the grade about 3 mi. w. of Leesville. | Comment | |||
LA207661 | Frangula californica subsp. crassifolia | A. A. Heller; | 1916-6-6 | 12359 | Colusa | on grade ca 3 mi W of Leesville | Comment | |||
CHSC50803 | Frankenia salina | Vernon Oswald | 1990-7-3 | 4411 | Colusa | Four Mile Rd ca. 4.5 mi n of Maxwell-Colusa Rd, ca. 6 mi (air) northeast of Maxwell. Along the edge of the road. | 27 | Comment | ||
CHSC52632 | Frankenia salina | James Jokerst | 1985-4-24 | 2495 | Colusa | Near Lurline Creek. | 41 | Comment | ||
POM135670 | Frankenia salina | Roxana Stinchfield | 1916-7-11 | 120 | Colusa | Colusa - Williams Road at 'Trough' | Comment | |||
UC931959 | Frankenia salina | Verne Grant and Alva Grant | 1946-8-6 | 7841 | Colusa | near Colusa (Butte Outing Gun Club) | Comment | |||
CHSC79774 | Fraxinus dipetala | L. P. Janeway; B. Castro | 2000-5-2 | 6697 | Colusa | Vicinity of Grapevine Creek and Sites-Lodoga Road. | 256 | Comment | ||
HSC66135 | Fraxinus dipetala | Cathie Goldberg, Lynn Kunstman, Lauren Philbrick, Geoff Walsh | 1980-4-19 | 47 | Colusa | On Bartlett Springs Rd. | Comment Read comments Aug 13 2014 |
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UC1051743 | Fraxinus dipetala | Helen K. Sharsmith | 1953-6-20 | 4299 | Colusa | Little Stoney Creek Inner North Coast Ranges, Mendocino National Forest | 762 | Comment | ||
CAS-BOT-BC383131 | Fraxinus latifolia | Andrew Townesmith; Karen M. Meyer | 2007-8-7 | 911 | Colusa | Mendocino National Forest, Grindstone Ranger District. Big Spring Picnic area on Lett's Lake, off Forest Service road 17N02, 3.2 miles SW from intersection with Forest Service route M10 | 1371 | Comment | ||
SEINET10744717 | Fraxinus latifolia | Andrew Townesmith, Karen M. Meyer | 2007-8-7 | Townesmith 911 | Colusa | Mendocino National Forest, Grindstone Ranger District. Big Spring Picnic area on Lett's Lake, off Forest Service road 17N02, 3.2 miles SW from interesection with Forest Service route M10. T17N R8W S25. | 1371 | Comment | ||
UCSC010485 | Fritillaria affinis | Dylan M. Neubauer, Tim Forsell | 2016-3-31 | 598 | Colusa | (NCoRI) Walker Ridge, Walker Ridge Road, 1.96 air-miles sse Cold Spring Mountain | 820 | Comment | ||
UCD139660 | Fritillaria agrestis | S. W. Winter | 1927-3-9 | 751 | Colusa | Arbuckle. | Comment | |||
CAS-BOT-BC130339 | Fritillaria glauca | Donald V. Hemphill | 1956-5-26 | s.n. | Colusa | 1/4 mi. south of Snow Mt. East | 2103 | Comment | ||
CAS-BOT-BC130436 | Fritillaria pluriflora | Barbara Sherfey | 1962-3-1 | s.n. | Colusa | At top of Arbuckle Grade between Arbuckle and Rumsey | Comment | |||
CHSC26609 | Fritillaria pluriflora | D. W. Isle | 1978-3-3 | 1501 | Colusa | Stonyford Cemetary Lane ca. 1.5 mi w of Stonyford, s of Fouts Springs Road. | 365 | Comment | ||
JEPS89227 | Fritillaria pluriflora | W. Roderick | 1964-3-22 | Colusa | 1/2 mi e of summit of Lake County Line (on Highway 20 (Williams-Clear Lake)); Highway 20 (Williams-Clear Lake) | 304 | Comment | |||
UC1179069 | Fritillaria pluriflora | Herbert L. Mason | 1947-3-30 | 13165 | Colusa | 0.5 mi e of Lake County Line (on Williams-Lower Lake Highway, western Colusa County); Williams-Lower Lake Highway | Comment | |||
UC765858 | Fritillaria pluriflora | R. F. Hoover | 1939-3-5 | 3901 | Colusa | 2 mi s of Stonyford | Comment | |||
UCD139704 | Fritillaria pluriflora | Jim Nelson | Date Unknown | s.n. | Colusa | Wilbur Springs. | Comment | |||
UCR261601 | Fritillaria pluriflora | Ann Howald | 2003-3-26 | 2293 | Colusa | Inner North Coast Ranges, Indian Valley, east side of East Park Reservoir, c. 3.5 miles north of Lodoga, c. 0.2 mi south of Chisolm Cove Group Campground | 373 | Comment | ||
HSC62768 | Fritillaria purdyi | M. Dean Griswold Jr. | 1979-4-14 | 16 | Colusa | 1067 | Comment | |||
JEPS54480 | Galium | G. L. Stebbins | 1966-6-6 | Colusa | s Little Stony Creek (just sw of junction with Frenzel Creek); Lovelady Ridge | 457 | Comment | |||
HSC48146 | Galium andrewsii | Thomas W. Nelson, Jane P. Nelson | 1978-4-30 | 3967 | Colusa | Along Hwy. 20, E of Colusa-Lake county line | 549 | Comment | ||
CHSC43737 | Galium andrewsii subsp. andrewsii | Vernon Oswald | 1986-5-12 | 2012 | Colusa | Brim Rd. (Bartlett Springs Rd.) 2.1 mi W of Bear Valley Rd. | 487 | Comment | ||
UCD81217 | Galium andrewsii subsp. andrewsii | Ellen Dean; K. Mawdsley, B. Rice, G. Harrington, and J. Alderson | 2009-5-6 | 5554 | Colusa | Payne Ranch, lands to the SW of the jct. of Hwys. 16 and 20. Destinella Flat area on the S side of Hwy. 20. Ridge so the south of Destanella Flat. | 522 | Comment | ||
UCD164159 | Galium aparine | Craig Thomsen | 2000-4-28 | 2266 b | Colusa | Between Bear Creek and Bear Valley Rd. about 0.3 mile north of junction with Hwy 20. | Comment | |||
JEPS80809 | Galium bolanderi | L. R. Heckard and J. C. Hickman | 1981-7-31 | 5781 | Colusa | rocky promontory called Fouts Spring Overlook Snow Mt. (e side of mt) | 1783 | Comment | ||
HSC19810 | Galium californicum subsp. californicum | Lauramay T. Dempster, G. L. Stebbins | 1967-10-13 | 4366 | Colusa | NW ridge of Goat Mtn., 1.6 mi. SE of Fir Root Camp | Comment | |||
CDA15479 | Galium californicum subsp. flaccidum | G. F. Hrusa, WTD | 1998-6-19 | 14616 | Colusa | North Coast Ranges; Goat Mtn. Rd. approx. 1 km. below intersection with USFS Pacific Ridge Rd. (M5). | Comment | |||
CHSC32201 | Galium grayanum | James Jokerst | 1980-8-8 | 1079 | Colusa | North Coast Ranges. Near Snow Mountain (west). | Comment | |||
JEPS80877 | Galium parisiense | L. R. Heckard and J. C. Hickman | 1980-7-3 | 5364 A | Colusa | slopes about Summit Springs (sw slope of mt); Snow Mt. | 1554 | Comment | ||
UC1229764 | Galium parisiense | Francia Chisaki and Helen K. Sharsmith | 1959-5-27 | 1334 | Colusa | on road leading out of Red Bridge Camp Mill Creek Crossing | Comment | |||
UCD66950 | Galium parisiense | Ellen Dean; Davis Botanical Society | 2008-5-31 | 4995 | Colusa | west of I-5 at Maxwell, along Goat Mountain Road, immediately west of the junction with Lodoga-Stonyford Road. | 382 | Comment | ||
OBI9920 | Galium parisiense | Helen K. Sharsmith & Francia Chisaki, Francia Chisaki | 1959-5-27 | 1334 | Colusa | At Mill Crk crossing on rd leading out of Red Bridge Camp | Comment | |||
UC1212112 | Galium porrigens | Francia Chisaki and Gene B. Newcomb | 1958-6-19 | 1166 | Colusa | on John Smith Road (Goat Mt.-Stonyford Road) | Comment | |||
UCD56687 | Galium porrigens | Gordon Harrington | 2007-3-25 | 6 | Colusa | BLM Payne Ranch. Destinella Flat area, just E of the Lake County border, ca. 3.4 road miles along Hwy 20 from the junction of Hwy 16 and Hwy 20. South side of Hwy 20. | 572 | Comment | ||
UCR227343 | Galium porrigens var. tenue | Craig D. Thomsen | 2001-5-24 | 2457 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, south side of Hwy 20, c. 0.5 mi west of Hwy 20/16 intersection (between mileposts 2.17 and 2.63) | 325 | Comment | ||
CAS-BOT-BC199031 | Garrya congdonii | C. Hart Merriam | 1907-7-23 | s.n. | Colusa | Cook Spgs. | Comment | |||
CAS-BOT-BC199032 | Garrya congdonii | Milo S. Baker | 1947-4-6 | 11645 | Colusa | Along Hwy. 20 just E of the Lake-Colusa boundary. | Comment | |||
CHSC39247 | Garrya congdonii | B. A. Stein | 1982-5-2 | 535 | Colusa | South end of East park Reservoir. | Comment | |||
SBBG34146 | Garrya congdonii | R. D. Slayback | 1959-3-20 | 2 | Colusa | near St Hwy 16, 6 mi NW of Rumsey | Comment | |||
UCD121087 | Garrya congdonii | Frederic Hrusa | 1989-2-7 | 5806 | Colusa | 2 miles off Stonyford-Lodoga Rd. up road to Cedar Mtn. | Comment | |||
UCD121090 | Garrya congdonii | G. F. Hrusa | 1996-1-23 | 12627 | Colusa | N side of Little Stony Creek, about 2 miles W of intersection of Cedar Camp Rd. and Stonyford-Lodoga Rd. Inner North Coast Ranges. | 475 | Comment | ||
POM163456 | Garrya flavescens subsp. congdonii | Roxana S. Ferris | 1926-4-23 | 6456 a | Colusa | Between Leesville and Stonyford four miles from Stonyford. | Comment | |||
CDA5308 | Gaura neomexicana | Kingwill | Jun 1944 | Colusa | 0 | Comment | ||||
JEPS80143 | Gayophytum diffusum subsp. diffusum | L. R. Heckard with J. Hickman | 1980-7-2 | 5304 | Colusa | trail from Summit Springs to Snow Mt. Peaks ((ca 10 mi w of Stonyford), Colusa-Lake Co. boundary) | 1676 | Comment | ||
JEPS76800 | Gayophytum heterozygum | L. R. Heckard | 1974-9-9 | 3854 | Colusa | near Foutch Camp; Snow Mt. | 1889 | Comment | ||
CHSC77934 | Geranium carolinianum | Beth Hendrickson; Jean Witzman | 1999-4-22 | Colusa | Vicinity of Antelope Valley and Sites. | 152 | Comment | |||
JEPS81279 | Geranium carolinianum | L. R. Heckard and J. C. Hickman | 1982-7-5 | 5890 | Colusa | s of (slope below) Summit Springs (s side of Snow Mt.); Snow Mt. | 1500 | Comment | ||
UC73425 | Geranium carolinianum | Miss M. Alice King | 1905-1 | Colusa | near Arbuckle (near College City); Sacramento Valley | Comment | ||||
CHSC101434 | Geranium dissectum | David Isle | 2007-5-1 | 1575 | Colusa | SE of Maxwell approx. 4 miles in riparian natural area just W of irrigation canal adjacent to 'Lakeland' rice fields farmed by William Dirks and Jack Barrett. W of footbridge S of third landing. | 30 | Comment | ||
RSA0028445 | Geranium dissectum | George K. Helmkamp, E. A. Helmkamp | 2011-4-1 | 17117 | Colusa | along Maxwell Road, 2.1 miles east of Maxwell, near Delevan Wildlife Refuge | 23 | Comment | ||
UC1614400 | Gilia | Charles M. Belshaw | 1937-4-25 | 2855 | Colusa | vicinity Cook's Spring (Devil's Ridge); Inner North Coast Range, Devil's Ridge | Comment | |||
UC1613521 | Gilia capitata | Charles M. Belshaw | 1937-4-25 | 2853 | Colusa | Inner North Coast Range. Vicinity of Cook's Spring, Devil's Ridge. | Comment | |||
UCD63100 | Gilia capitata | Ellen Dean; G. Harrington, C. Thomsen, S. Harrison | 2008-5-18 | 4931 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Unnamed drainage south of Hwy 20 between Hwy 16 and Lynch Canyon that drains to Bear Creek by passing under Hwy 20. | 348 | Comment | ||
UCD64432 | Gilia capitata | Craig D. Thomsen | 2000-5-11 | 2323 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UC1613303 | Gilia capitata | Charles M. Belshaw | April, 1937 | 2870 | Colusa | Inner North Coast Range. Vicinity of Cook's Spring, Devil's Ridge. | Comment | |||
CHSC112231 | Gilia capitata subsp. capitata | Lowell Ahart | 2013-5-1 | 18663 | Colusa | On the east side of Bear Valley Road, about 2 1/2 miles (by road) northwest of the intersection of State Highway 20 and Bear Valley Road. | 533 | Comment | ||
JEPS121000 | Gilia capitata subsp. capitata | Lowell Ahart | 2013-5-1 | 18663 | Colusa | On the E side of Bear Valley Road, about 2.5 road miles NW of intersection of Hwy 20 and Bear Valley Road. | Comment | |||
CHSC27514 | Gilia tricolor | Michael F. Henetz | 1978-4-15 | 10 | Colusa | Field ca. 150 m s of Hwy. 20, ca. .5 km w of junction of Hwy. 20 and Hwy. 16, ca. 29 km s of Williams | 322 | Comment | ||
JEPS121110 | Gilia tricolor subsp. diffusa | Lowell Ahart | 2013-5-1 | 18684 | Colusa | N of the wash and Hwy 20, just E of Lake County line, 12.2 air miles ENE of the town of Clear Lake, 17.1 air miles W of Williams. | Comment | |||
CHSC59999 | Gilia tricolor subsp. tricolor | Carole Pauls | 1975-4-20 | 1 | Colusa | Pasture. Bear Valley Road, 8.7 miles north of State Highway 20. | Comment | |||
JEPS75872 | Glyceria elata | L. R. Heckard | 1974-9-9 | 3874 | Colusa | se of Foutch Camp (just ne of rock promontory); Snow Mt. | 1920 | Comment | ||
UCD63039 | Glycyrrhiza lepidota | Ellen Dean; Marjorie Phan and Gerald Dickinson | 2008-4-27 | 4885 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Meadow close to Bear Creek in uplands. | 376 | Comment | ||
SEINET7042569 | Gnaphalium canescens | A. G. Vestal | 1938-9-1 | s.n. | Colusa | Along top of trough, Springs Ridge near Foxtrap Springs. Fouts Spring quadrangle UTM Zone 10, 530960mE, 4350980mN. | Comment | |||
JEPS110101 | Gnaphalium palustre | Lowell Ahart | 2006-8-9 | 13124 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford | 347 | Comment | ||
UCR227904 | Gnaphalium palustre | Ellen Dean | 2008-6-8 | 5064 | Colusa | BLM Payne Ranch, lands to the southwest of the junction of Hwys 16 and 20. Northwest corner of ranch, along ridge trail on the border of Lake and Colusa counties. East side of trail around stock pond | 610 | Comment | ||
POM53847 | Grindelia camporum | Roxana Stinchfield | 1916-7-11 | 455 | Colusa | Willaims Road at the 'Trough' | Comment | |||
UCR261756 | Grindelia camporum | Ann Howald | 2003-5-30 | 2356 B | Colusa | Inner North Coast Ranges, Indian Valley, east side of East Park Reservoir, peninsula c. 2 miles north of Lodoga, Big Boot camping area | 365 | Comment | ||
CAS-BOT-BC305301 | Grindelia hirsutula | L. R. Abrams | 1928-5-8 | 12585 | Colusa | 2 miles south of Arbuckle | Comment | |||
CAS-BOT-BC305303 | Grindelia hirsutula | Doris K. Kildale | 1928-5-8 | 5018 | Colusa | 3 miles south of Arbuckle | Comment | |||
CAS-BOT-BC305305 | Grindelia hirsutula | Roxana Stinchfield | 1916-6-17 | 283 | Colusa | College City | Comment | |||
UC1051714 | Grindelia hirsutula | Helen K. Sharsmith | 1953-6-19 | 4264 | Colusa | near confluence North and Middle Fork Stoney Creek (Red Bridge Camp, North Fork Stoney Creek, Middle Fork Stoney Creek); Inner North Coast Ranges, Mendocino Natl Forest, North- Midd | 548 | Comment | ||
UCD82539 | Grindelia hirsutula | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5692 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 817 | Comment | ||
UCD85150 | Hainardia cylindrica | Beecher Crampton | 1958-6-27 | 4988 | Colusa | 3.5 miles south of Colusa. | Comment | |||
CAS-BOT-BC302201 | Harmonia hallii | G. L. Stebbins | 1971-6-6 | 8013 | Colusa | South end of Walker Ridge, near Clyde Mine | 914 | Comment | ||
JEPS94706 | Harmonia hallii | Vernon Oswald and Lowell Ahart | 1998-5-7 | 9012 | Colusa | Bartlett Springs Road 2.8 mi w of Bear Valley Road (0.1 mi e of Sawtelle Vallyy and Grapevine Flat Roads); Bartlett Springs Road | 633 | Comment | ||
JEPS94768 | Harmonia hallii | Vernon Oswald and Lowell Ahart | 1998-5-7 | 9012 | Colusa | Bartlett Springs Road 2.8 mi w of Bear Valley Road (0.1 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road | 633 | Comment | ||
UCD159338 | Harmonia hallii | D. S. Park; E. Dean | 2010-6-5 | 122 | Colusa | Walker ridge, Cold Spring Mt. Abundant by road. | 692 | Comment | ||
UCD82440 | Helenium | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5665 a | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 869 | Comment | ||
CHSC106249 | Helenium bigelovii | B. Castro; L. P. Janeway | 2001-6-3 | 1258 | Colusa | Inner North Coast Ranges. Spring at Grapevine flat, on top of Walker Ridge about 0.5 mi E of Baldy Mountain. East-facing slope/bench with large springy/meadowy area. | 882 | 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 | ||
JEPS110413 | Helianthus bolanderi | Lowell Ahart | 2006-8-9 | 13097 | Colusa | Gravel bar on the south side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford | 455 | Comment | ||
UC194952 | Helianthus bolanderi | H. M. Hall | 1916-8-16 | 10267 | Colusa | near Williams | Comment | |||
UC71768 | Helianthus bolanderi | H. P. Chandler | 1905-9-14 | Colusa | Princeton | Comment | ||||
UCD163650 | Helianthus bolanderi | Craig Thomsen | 1998-6-10 | 1948 | Colusa | Bear Valley. About 7 miles north of Hwy 20. | Comment | |||
UCD61452 | Helianthus bolanderi | Ellen Dean; G. Harrington, N. Voegtly, J. Alderson, C. Thomsen | 2007-6-24 | 3897 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwy 16 and Hwy 20. West of BLM equestrian parking lot (Cowboy Camp) on west side of Bear Creek. Approximately 1/2 mile SW of parking lot. North of Eula Canyon. | 420 | Comment | ||
JEPS120804 | Heliotropium curassavicum | Lowell Ahart | 2013-10-1 | 19096 | Colusa | Strand of East Park Reservoir, about 2.5 air miles SE of Stonyford, about 2.5 miles NW of Lodoga, about 10 air miles NW of Sites. | Comment | |||
UCD55469 | Heliotropium curassavicum | Ellen Dean; Gordon Harrington | 2006-10-6 | 3293 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Ranch can be accessed via north gate which is located on a road on the S side of State Route 20, 2.3 road miles W of jct of State Routes 16 and 20. In Thompson Canyon, along dirt road that parallels ephemeral drainage. | 362 | Comment | ||
UCR201552 | Heliotropium curassavicum | George K. Helmkamp, E. A. Helmkamp | 2008-10-14 | 14261 | Colusa | Sacramento Valley, along River Road (generally following the Sacramento River), 1.1 miles north of Colusa | 18 | Comment | ||
UCD70229 | Heliotropium curassavicum var. oculatum | D. Sanchez-Mata | 1998-6-24 | s.n. | Colusa | Bear Valley. Bear Valley Road. Bear Valley Creek. Annual plant communities on serpentine temporal vernal pools. | 370 | Comment | ||
SD22371 | Heliotropium curassavicum var. oculatum | Richard Neil | 1938-6-20 | Colusa | Grimes | Comment | ||||
JEPS80141 | Hemizonella minima | L. R. Heckard with J. Hickman | 1980-7-2 | 5301 | Colusa | trail from Summit Springs to Snow Mt. Peaks (ca 10 mi w of Stonyford, Colusa-Lake County border) | 1661 | Comment | ||
CAS-BOT-BC306024 | Hemizonia congesta subsp. clevelandii | H. M. Hall | 1930-10-3 | 12937 | Colusa | Two miles south of Stonyford | Comment | |||
CAS-BOT-BC306027 | Hemizonia congesta subsp. clevelandii | A. A. Heller | 1916-6-6 | 12358 | Colusa | Coast Range on the grade about 3 miles west of Leesville | Comment | |||
JEPS83161 | Hemizonia congesta subsp. clevelandii | L. R. Heckard and J. C. Hickman | 1980-9-15 | 5418 | Colusa | slopes w Summit Springs; Snow Mt. | 1554 | Comment | ||
UCD146726 | Hemizonia congesta subsp. clevelandii | G. F. Hrusa | 1998-6-19 | 14596 | Colusa | Inner North Coast Ranges. Along Little Stony Creek, on Goat Mountain Road. Around 1/2 km west of intersection with Lodoga-Stonford Road. | 400 | Comment | ||
CHSC61405 | Hemizonia congesta subsp. luzulifolia | Vernon H. Oswald | 1993-8-16 | 5808 | Colusa | Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, N end of E edge of Tract 41. Also in the south portion of the refuge. | 25 | Comment | ||
UC725797 | Hemizonia congesta subsp. luzulifolia | A. A. Heller | 1939-10-1 | 15482 | Colusa | between Williams Maxwell | Comment | |||
UCD82492 | Hemizonia congesta subsp. luzulifolia | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5680 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 843 | Comment | ||
UCR281726 | Hemizonia congesta subsp. tracyi | David Isle, Frank Pendell | 2014-6-16 | 2136 | Colusa | North Coast Range, c. 2 miles west of Stonyford on the Pendell Ranch, southeast of the home of Frank and Sheri Pendell c. 0.25 mile and northwest of the Stonyford Cemetary, c. 200 yards | 384 | Comment | ||
CHSC115621 | Hemizonia congesta subsp. tracyi | David Isle; Frank Pendell | 2014-6-16 | f 2136 | Colusa | North Coast Range: 2 miles W of Stonyford on Pendell Ranch. SE of Pendell home 1/4 mile; NW of Cemetery 200 yds. (GPS= Pendell home S of Fouts Sp. Rd. 50 yds.); 10S-0536687E, 4357699N). | Comment | |||
JEPS75707 | Heracleum lanatum | Alice Q. Howard | 1972-7-10 | 10 | Colusa | stream crossing trail between Fouts Camp and Box Springs (lower of 2 wet places along trail on n. side of ridge separating Trout & Paradise Creeks, Snow Mt.); Snow Mt. | 1600 | Comment | ||
UCR261649 | Hesperevax sparsiflora var. sparsiflora | Ann Howald | 2003-4-24 | 2319 | Colusa | Inner North Coast Ranges, Indian Valley, east side of East Park Reservoir, peninsula c. 2 miles north of Lodoga, Big Boot camping area | 365 | Comment | ||
CHSC79845 | Hesperocnide tenella | B. Castro; L. P. Janeway | 2000-5-4 | 1129 | Colusa | Vicinity of Sites, Sites-Lodoga Rd, and Grapevine Creek. | 246 | Comment | ||
SD40656 | Hesperocyparis sargentii | Carl B. Wolf, E. R. Johnson | 1934-10-15 | Colusa | Cook Springs (western part of county) | 550 | Comment | |||
JEPS122821 | Hesperolinon californicum | W. A. Freyman with A. C. Schneider & Y. P. Springer | 2014-5-20 | 288 | Colusa | Along north side of Goat Mountain Road west of Lodoga. | Comment | |||
CDA28487 | Hesperolinon californicum | T. C. Fuller | 1958-5-27 | 3686 | Colusa | Highway 20, 0.7 mile west of junction with Hwy 16. | 0 | Comment | ||
CDA28489 | Hesperolinon californicum | T. C. Fuller | 1958-6-16 | Colusa | Hillside above Highway 20, 2 miles west of Cache Creek Bridge. | 0 | Comment | |||
UC1552829 | Hesperolinon californicum | Frederica Bowcutt | 1985-5-5 | 511 | Colusa | nw Wilbur Springs; Big Valley Shale Barrens | Comment | |||
CHSC83165 | Hesperolinon disjunctum | Beecher Crampton | 1995-6-4 | 10323 | Colusa | Colusa-Lake County Border: State Highway 20. | Comment | |||
JEPS120982 | Hesperolinon disjunctum | Lowell Ahart, John Dittes, Josephine Guardino | 2013-4-26 | 18635 | Colusa | On N side of Hwy 20, just E of Lake County Line, 12.2 air miles ENE of town of Clear Lake, 17.1 air miles W of Williams. | Comment | |||
UC1212487 | Hesperolinon disjunctum | Helen K. Sharsmith | 1953-6-18 | 4253 | Colusa | ca one mi above Diversion Dam of Big Stony Creek (near road from Stoneyford to Fouts Springs); Inner North Coast Ranges, Mendocino National Forest; above Diversion Dam of Big Stoney Creek, Mendocino National Forest, Colusa Co. | 518 | Comment | ||
UC1212498 | Hesperolinon disjunctum | Helen K. Sharsmith | 1951-7-13 | 4033 | Colusa | on Bartlett Springs road 4.4 mi from Leesville (western margin of county); Inner North Coast Ranges | 609 | Comment | ||
UC1212515 | Hesperolinon disjunctum | Herbert L. Mason | 1952-6-19 | 14301 | Colusa | slope between Fouts Springs Red Bridge Public Camp; Inner North Coast Ranges, Mendocino National Forest | Comment | |||
UC1552831 | Hesperolinon disjunctum | Frederica Bowcutt | 1985-5-5 | 507 | Colusa | ca 1 mi nw Wilbur Springs | Comment | |||
UC1601227 | Hesperolinon disjunctum | Helen K. Sharsmith | 1959-5-27 | 4693 a | Colusa | Cook Springs Inner North Coast Ranges | 548 | Comment | ||
UCD67057 | Hesperolinon disjunctum | Craig D. Thomsen | 2008-5-23 | 2752 | Colusa | BLM Payne Ranch. Lands to the SW of Hwy 16/20 intersection. About 1 mile south of Hwy 20 (south of Destanella Flat), 2.5 miles west of Hwy 16. | 470 | Comment | ||
UCR45096 | Hesperolinon disjunctum | L. F. LaPre | 1986-5-30 | s.n. | Colusa | 1.5 mi west of Mendocino National Forest Boundary on Stony Creek Rd [c. 4 mi. west of Stonyford] | 671 | Comment | ||
UCR71414 | Hesperolinon disjunctum | H. K. Sharsmith | 1965-6-23 | 5529 | Colusa | Inner North Coast Ranges, c. 1/4 mi. east of Cook Springs | 534 | Comment | ||
CAS-BOT-BC176222 | Hesperolinon disjunctum | Helen K. Sharsmith | 1953-6-18 | 4253 | Colusa | Near road from Stoneyford to Fouts Springs, ca. one mile above Diversion Dam of Big Stoney Creek, Mendocino National Forest | 518 | Comment | ||
RSA151803 | Hesperolinon disjunctum | H. K. Sharsmith | 1951-7-13 | 4031 | Colusa | Fouts Springs, near Mill Creek at junction with road to Black Diamond Ridge, Mendocino National Forest. | 457 | Comment | ||
SBBG128806 | Hesperolinon disjunctum | L. Ahart, J. Dittes, J. Guardino | 2013-4-26 | 18635 | Colusa | rocky serpentine outcrop on N side of St Hwy 20, just E of Lake County Line, 12.2 mi (air) ENE of Clear Lake (town), 17.1 mi (air) W of Williams | 566 | Comment | ||
UCD110516 | Hesperolinon disjunctum | Marilyn Ivey | 1973-5-19 | 55 | Colusa | 1.5 miles up Wilbur Springs Road north off of State Highway 20. | Comment | |||
SD8554 | Hesperolinon drymarioides | Katherine Curran | Aug 1884 | Colusa | Epperson's | Comment | ||||
UC1212304 | Hesperolinon drymarioides | Helen K. Sharsmith | 1952-6-21 | 4159 | Colusa | n canyon slope overlooking Cook Springs; Inner North Coast Ranges | 548 | Comment | ||
SBBG83904 | Hesperolinon micranthum | L. F. LaPre | 1986-5-30 | Colusa | 1.5 mi W of Mendocino Nat Forest boundary on Stony Crk Rd | 670 | Comment | |||
UCD66692 | Hesperolinon micranthum | Craig D. Thomsen | 2000-6-23 | 2373 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
RSA0049696 | Heteranthera dubia | Dean Wm. Taylor | 2014-5-18 | 21476 | Colusa | 3.5 miles southwest of Maxwell; eastern bank of the Glenn-Colusa Canal downstream of the crossing of Fairview Road | 36 | Comment | ||
UCD19075 | Heteranthera dubia | Richard Yeo | 1976-10-1 | s.n. | Colusa | 3 mi. north of Williams, Glenn-Colusa Canal irrigation district. | Comment | |||
JEPS60199 | Heterocodon rariflorum | L. R. Heckard | 1969-5-28 | 2235 | Colusa | about 6 air mi w Stonyford (along Stony Creek at Fout Springs); Stony Creek, Fout Springs | 518 | Comment | ||
UC914092 | Hibiscus lasiocarpos | Milo S. Baker | 1946-9-4 | 11608 | Colusa | near locked gate of Colusa Gun Club Butte Sink | Comment | |||
CAS-BOT-BC203371 | Hibiscus lasiocarpos var. occidentalis | Milo S. Baker | 1946-9-4 | 11608 | Colusa | Butte Sink, near gate of Colusa Gun Club | Comment | |||
CAS-BOT-BC203372 | Hibiscus lasiocarpos var. occidentalis | Verne Grant; Alva Grant | 1946-8-6 | 7837 | Colusa | Butte Creek 1 mile north of Butte Outing Gun Club, near Colusa | Comment | |||
CHSC25319 | Hibiscus lasiocarpos var. occidentalis | Hayes; Warner, Schlising | 1977-8-23 | 49 | Colusa | Along Putnam Rd., where this road reaches the Butte Creek Drainage, off of Gridley road 5. | 50 | Comment | ||
CHSC32210 | Hieracium greenei | James Jokerst | 1980-8-7 | 1061 | Colusa | North Coast Ranges. Near Snow Mountain (west). | Comment | |||
CAS-BOT-BC383132 | Hippuris vulgaris | Andrew Townesmith; Karen M. Meyer | 2007-8-7 | 914 | Colusa | Mendocino National Forest, Grindstone Ranger District. Lily Pond, off Forest Service road 17N02, 1.7 miles SW of intersection with Forest Service route M10 | 1264 | Comment | ||
UC1183425 | Hippuris vulgaris | J. M. Tucker and L. K. Mann | 1959-5-30 | 3528 | Colusa | ca. 1/4 mi. n.w. Lower Letts Valley (and ca. 4 mi. (airline) n. of Goat Mt. Lookout, Mill Valley); Mill Valley | 1219 | Comment | ||
CAS-BOT-BC320319 | Holocarpha virgata | H. M. Hall | 1930-9-25 | 12893 | Colusa | About 4 miles south of Arbuckle | Comment | |||
SEINET10758259 | Holocarpha virgata subsp. virgata | Andrew Townesmith, Karen M. Meyer | 2007-8-7 | Townesmith 907 | Colusa | Mendocino National Forest, Grindstone Ranger District. Vicinity of Wolf Creek OHV staging area, off Forest Service route M10, 4.2 miles west of intersection with Lodoga-Stonyford road in Stonyford. T18N R7W. | 452 | Comment | ||
UC194239 | Holocarpha virgata subsp. virgata | H. M. Hall | 1916-8-16 | 10270 | Colusa | near Arbuckle | Comment | |||
CAS-BOT-BC152578 | Holodiscus discolor var. discolor | A. A. Heller | 1916-6-6 | 12362 | Colusa | Coast Range on the grade about 3 miels west of Leesville | Comment | |||
CHSC110864 | Hordeum brachyantherum | David Isle | 1989-5-14 | 1995 | Colusa | Stony Creek Watershed. Pendell Ranch ~2 miles W of Co. Rd. 306 Jct. w/ Fouts Springs Road; ~150 yds south of Pendell home. | 384 | Comment | ||
HSC10153 | Hordeum brachyantherum | C. R. Phillips | 1964-3-30 | Colusa | Colusa, vacant lot | Comment | ||||
UCD70230 | Hordeum brachyantherum | D. Sanchez-Mata | 1998-6-24 | s.n. | Colusa | Bear Valley. Bear Valley Road. Bear Valley Creek. Perennial plant communities close to serpentine temporal vernal pools. | 370 | Comment | ||
UC1745700 | Hordeum brachyantherum subsp. brachyantherum | Annetta M. Carter, Sarah Dyal, Ethel Crum | 1938-5-8 | 1391 | Colusa | 5.5 mi. S of Leesville. Bear Valley. | 426 | Comment | ||
JEPS475 | Hordeum brachyantherum subsp. californicum | W. L. Jepson | 1938-6-9 | 18956 | Colusa | w slope of mountains between Indian Valley, Lake County and Bear Valley, Colusa County; Indian Valley, Bear Valley | 579 | Comment | ||
JEPS81292 | Hordeum brachyantherum subsp. californicum | L. R. Heckard and J. C. Hickman | 1982-7-5 | 5904 | Colusa | s side Snow Mountain (slope below (s of) area, Summit Springs); s side Snow Mountain, Summit Springs | 1500 | Comment | ||
UCD18841 | Hordeum brachyantherum subsp. californicum | Vernal Pool Team 2001; Carol Witham and Jennifer Buck | 2001-4-30 | 148 | Colusa | 2 mi. south of the town of Colusa along Hwy 20, east of Hwy 20 and the Colusa Airport, Dolan Ranch site, pool # DOL001, UTMs: 10S0587786; 4336302. | Comment | |||
SEINET10598961 | Hordeum californicum | Roxana S. Ferris | 1917-1 | Ferris 518 | Colusa | Comment | ||||
CHSC112265 | Hordeum depressum | Lowell Ahart; John Dittes, Josephine Guardino | 2013-4-26 | 18637 | Colusa | Inner North Coast Range. North side of State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 566 | Comment | ||
POM198500 | Hordeum depressum | Roxana S. Ferris | 1917-4-12 | 518 | Colusa | 4 miles east of Williams | Comment | |||
CHSC107165 | Hordeum marinum subsp. gussoneanum | L. P. Janeway; B. Castro | 2011-4-27 | 10243 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; 1.8 km southeast of Funks Reservoir and 0.2 km northeast of Tehama-Colusa Canal. Large +- alkaline vernal pool/marsh; mucky clay soil. North edge of large wetland. | 49 | Comment | ||
CHSC80502 | Hordeum marinum subsp. gussoneanum | Caroline Warren; Joyce Lacey-Rickert | 1998-5-8 | Colusa | Vicinity of Sites and Antelope Creek. | 91 | Comment | |||
UCD163872 | Hordeum marinum subsp. gussoneanum | Craig D. Thomsen | 2000-3-31 | 2173 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way on south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection. | Comment | |||
SEINET3271561 | Hordeum murinum | George K. Helmkamp, E. A. Helmkamp | 2009-3-11 | 14371 | Colusa | Inner North Coast Range Foothills; along CA-20, 14.3 miles southwest of Williams | 375 | Comment | ||
CAS-BOT-BC284750 | Hordeum murinum subsp. glaucum | Roxana S. Ferris | 1917-4-12 | 515 | Colusa | 4 miles East of Williams | Comment | |||
CHSC83698 | Hordeum murinum subsp. leporinum | L. P. Janeway | 2002-4-24 | 7521 | Colusa | Sacramento Valley/Inner North Coast Ranges border. Vicinity of Logan Ridge, Stone Corral Creek, and Funks Creek. | 103 | Comment | ||
JEPS80220 | Hordeum murinum subsp. leporinum | L. R. Heckard and J. Hickman | 1980-7-3 | 5376 | Colusa | w Summit Springs (sw slope Snow Mountain); sw slope Snow Mountain | 1554 | Comment | ||
JEPS93802 | Horkelia californica var. elata | Vernon H. Oswald and Lowell Ahart | 1998-7-15 | 9270 | Colusa | Bartlett Springs Road 1.6 mi west of Bear Valley Road | 487 | Comment | ||
UCD82589 | Horkelia californica var. elata | Craig D. Thomsen; J. Wiegand, S. Harrison, G. Harrington, A. Fulks | 2008-4-22 | 2734 | Colusa | Walker Ridge. About 3.2 mi N of Hwy 20, adjacent to abandoned road leading back to Walker Ridge Rd. from 'Oak Cove. | 822 | Comment | ||
SEINET10947309 | Horkelia tenuiloba | Andrew Townesmith, Karen M. Meyer | 2007-8-7 | Townesmith 915 | Colusa | Mendocino National Forest, Grindstone Ranger District. Lily Pond, off Forest Service road 17N02, 1.7 miles SW ofinteresection with Forest Service route M10. T17N R8W S24. | 1264 | Comment Read comments Aug 17 2018 |
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UCD67123 | Hosackia oblongifolia | Ellen Dean; Davis Botanical Society | 2008-5-31 | 5055 | Colusa | west of I-5 at Maxwell, north slope of Goat Mountain, along Letts Valley Rd. between Goat Mountain Summit and Fouts Springs. | 787 | Comment | ||
RSA730240 | Hypochaeris glabra | R. R. Halse | 2007-3-25 | 7122 | Colusa | Along State Hwy 20, ca 7.8 miles northeast of its junction with State Hwy 16, at base of Salt Canyon. | 100 | Comment | ||
UCD82460 | Hypochaeris glabra | Craig Thomsen; G. Harrington | 2009-5-12 | 2838 | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. | 707 | Comment | ||
UCD135955 | Ibicella lutea | Barry Rice | 2012-6-11 | BR 120601 | Colusa | near Hwy 20, 10 km west of I-5. | 50 | Comment | ||
RSA0013871 | Ibicella lutea | Richard Snow | 1958-8-3 | 671 | Colusa | Near State Highway 20, on the road to Leesville. | Comment | |||
RSA0013873 | Ibicella lutea | John H. Thomas | 1960-8-29 | 8847 | Colusa | About 11 miles SW of Williams along Highway 20. | Comment | |||
JEPS94211 | Iris macrosiphon | Vernon Oswald and Lowell Ahart | 1998-5-7 | 9008 | Colusa | Bartlett Springs Road 2.2 mi w of Bear Valley Road (0.7 mi e of Sawtelle Valley and Grapevine Flat Roads); Bartlett Springs Road | 524 | Comment | ||
SEINET3875317 | Iris macrosiphon | Thomas E. Higley | 1974-5-4 | 066 | Colusa | 3/4 miles north of T junction of Indian Valley.; 0 | 853 | Comment | ||
JEPS80126 | Iris tenuissima | L. R. Heckard with J. Hickman | 1980-7-1 | 5285 | Colusa | 10 mi w Stonyford (Summit Springs to Frog Lake, Snow Mt., Colusa-Lake County boundary); Snow Mt. | 1706 | Comment | ||
CDA19079 | Isatis tinctoria | R. Breckenridge, Kratville | 2001-4-3 | PDR 958964 | Colusa | Sacramento Valley; Near the junction of I-5 Southbound and Husted Rd, Williams. | 0 | Comment | ||
UCD57305 | Iva axillaris | Ellen Dean; C. Thomsen, S. Bledsoe, J. Alderson, M. Starbuck | 2007-4-7 | 3676 | Colusa | BLM Payne Ranch. Lands to the southwest of junction of Hwy. 20 and Hwy. 16. Thompson Canyon, near juncture with Craig Canyon. | 362 | Comment | ||
CHSC32202 | Ivesia gordonii | James Jokerst | 1980-8-8 | 1076 | Colusa | North Coast Ranges. Near Snow Mountain (west). | Comment | |||
UCD82635 | Juglans hindsii | Jack Alderson | 2009-9-19 | 31 | Colusa | BLM Bear Creek (formerly Payne) Ranch. Lands to the SW of junction of Hwys 16 and 20. Along Bear Creek, SE of mouth of Craig Canyon. | 304 | Comment | ||
CHSC83445 | Juncus balticus | Bill Maslach | 2001-6-6 | 12 | Colusa | About 17 km east of Hwy. 5 along Hwy 20. Intersection of Salt Cr. and Hwy. 20; 5 meters downstream of bridge marked '1930.' On creek bank. | 175 | Comment | ||
CHSC86837 | Juncus balticus | Jenny Marr; Heidi West, Caroline Warren, Natalie Wight | 1998-6-11 | Colusa | Vicinity of Funks Creek, Logan Ridge, Golden Gate, and Antelope Valley. | 121 | Comment | |||
UCD65641 | Juncus balticus | Craig D. Thomsen | 2000-4-28 | 2178 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, on south side of Hwy 20, ca. 0.25 mile west of Hwy 20/16 instersection, near Colusa Co. milepost 3.00. | 310 | Comment | ||
JEPS80247 | Juncus bolanderi | L. R. Heckard and J. C. Hickman | 1980-9-15 | 5425 | Colusa | w of Summit Springs; Snow Mt. | 1554 | Comment | ||
CHSC107974 | Juncus bufonius var. bufonius | B. Castro; Robin Carter, Jessica Boyt | 2011-4-25 | 1859 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; ca I mi southeast of Funks Reservoir and 0.2 mi northeast of Tehama-Colusa Canal. Large +- alkaline vernal pool/marsh. In vernal pool in compacted E-W road track that goes through marsh. | 49 | Comment | ||
CHSC86032 | Juncus bufonius var. bufonius | Jenny Marr; H. West, J. Lacey, C. Warren, N. Wight | 1998-4-14 | Colusa | Vicinity of Grapevine Creek, Antelope Valley, and Sites-Lodoga Road. | 137 | Comment | |||
JEPS121120 | Juncus bufonius var. bufonius | Lowell Ahart | 2013-5-1 | 18691 | Colusa | N of the wash and Hwy 20, just E of Lake County line, 12.2 air miles ENE of the town of Clear Lake, 17.1 air miles W of Williams. | Comment | |||
CHSC101403 | Juncus bufonius var. congestus | David Isle | 2006-5-6 | 1571 | Colusa | East of Maxwell abt 1 mile; S of Maxwell Rd and e of Lyons Rd in north Dirk's organic rice field (check). | 30 | Comment | ||
JEPS80271 | Juncus howellii | L. R. Heckard, and J. Hickman | 1980-9-16 | 5454 | Colusa | e of West Peak (first meadow along trail from Frog Pond in cirque area); Snow Mt. | 1981 | Comment | ||
JEPS80285 | Juncus howellii | L. R. Heckard, and J. Hickman | 1980-9-16 | 5459 | Colusa | ne slope West Peak (cirque area between peaks); Snow Mt. | 2011 | Comment | ||
JEPS73494 | Juncus laccatus | L. R. Heckard | 1972-7-10 | 3107 | Colusa | Trout Creek crossing of trail to Box Springs; Snow Mt. | 1828 | Comment | ||
JEPS75720 | Juncus laccatus | L. R. Heckard | 1974-9-9 | 3852 | Colusa | just se Foutch Camp; Snow Mt. | 1889 | Comment | ||
UCD82125 | Juncus patens | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5654 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 839 | Comment | ||
UCD82439 | Juncus patens | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5665 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 869 | Comment | ||
CHSC118858 | Juncus phaeocephalus var. paniculatus | David Isle; Frank Pendell | 2017-5-17 | 2174 | Colusa | Footheills E edge of N Coast Range: W of Stonyford ~1.5 miles on 18N01.1 to Frank andsheri Pendell Ranch; in black adobe pasture S of house ~1/8 mile | 381 | Comment | ||
CHSC97128 | Juncus usitatus | Lowell Ahart | 2007-7-7 | 14258 | Colusa | South of the wire fence, on the south side of the Gridley Colusa Highway, about 1 1/4 miles east of River Road, about 17 miles west of Gridley. | 20 | Comment | ||
CHSC107172 | Juncus xiphioides | L. P. Janeway; B. Castro | 2011-5-19 | 10289 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; 1.9 km southeast of Funks Reservoir and 0.2 km northeast of Tehama-Colusa Canal. Large +- alkaline vernal pool/marsh; mucky clay soil. In and adjacent to a shallow swale that drains north into the marsh which is 3 m lower in elevation. | 52 | Comment | ||
CDA20252 | Juncus xiphioides | G. D. Barbe, Nola Parmer | 1982-6-4 | 3638 | Colusa | Sacramento Valley; Goat Mountain Rd, w of Lodoga-Stonyford Rd, Mendocino National Forest. | 0 | Comment | ||
CAS-BOT-BC80913 | Juniperus californica | Roxana S. Ferris | 1926-4-23 | 6456 | Colusa | 4 miles from Stanford on the Leesville Road | Comment | |||
CHSC45225 | Juniperus californica | Lowell Ahart | 1971-6-10 | 78 | Colusa | North-east of Sites. | 76 | Comment | ||
UCD163315 | Juniperus californica | Craig D. Thomsen | 1997-4-13 | 1904 | Colusa | Bear Valley. About 6 miles north of Hwy 20. Vicinity of Trout Creek, north of Deadshot Canyon. | Comment | |||
UCD63024 | Juniperus californica | Ellen Dean; C. Thomsen, N. Voegtly, J. Alderson, G. Harrington | 2008-3-30 | 4676 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Slopes to the northwest of Eula Canyon and west of Cowboy Camp on the west side of Bear Creek. | 493 | Comment | ||
UCD70298 | Juniperus californica | D. Sanchez-Mata | 1998-7-9 | s.n. | Colusa | Lodoga-Stonyford. Mendocino National Forest. Goat Mountain Road between Lodoga and Red Rock Cabin. Open California juniper woodland (Juniperus californica). | 420 | Comment | ||
HSC97013 | Keckiella corymbosa | L. Ahart | 2006-8-9 | 13102 | Colusa | S side of Stony Creek, at Mine Camp, about 3.5 mi. W of Stonyford. | 422 | Comment | ||
RSA718197 | Keckiella corymbosa | L. Ahart | 2006-8-9 | 13102 | Colusa | On the south side of Stony Creek, at Mine Camp, about 3.5 miles (air) west of Stonyford. | 422 | Comment | ||
UCD164166 | Koeleria macrantha | Craig Thomsen | 2001-5-6 | 2558 | Colusa | Wilbur Hot Springs. | Comment | |||
UCD85747 | Koeleria macrantha | Beecher Crampton | 1958-5-19 | 4801 | Colusa | 5.8 miles south of Lodoga. | Comment | |||
UCD82476 | Lactuca | Craig Thomsen; G. Harrington | 2009-5-12 | 2854 | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. | 707 | Comment | ||
UCD66874 | Lactuca saligna | Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth | 2008-6-8 | 5077 | Colusa | BLM Payne Ranch. Lands to the southwest of the intersection of Hwy 16 and Hwy 20. In western part of ranch, several hundred feet downslope of ridge trail. Along trail that starts along ridge bordering Thomspon Creek headwaters and loops back to Ridge trail. Large, dammed stock pond, holding water still in middle of meadow. | Comment | |||
CAS-BOT-BC340495 | Lactuca serriola | Roxana Stinchfield | 1916-7-11 | 477 | Colusa | Sycamore Slough road | Comment | |||
CHSC70966 | Lagophylla minor | Vernon Oswald; Lowell Ahart | 1998-5-7 | 8998 | Colusa | Bartlett Springs Rd. 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. | 524 | Comment | ||
HSC96892 | Lagophylla minor | L. Ahart | 2006-6-11 | 12667 | Colusa | E side of an off road trail (Trail 30), about 100 yards S of Fouts Rd., about 5 mi. W of Stonyford | 613 | Comment | ||
JEPS85534 | Lagophylla minor | L. R. Heckard | 1969-5-28 | 2232 A | Colusa | Letts Valley Rd. ca 8 mi sw Stonyford (NE slope of Potato Hill); Potato Hill | 762 | Comment | ||
UCD163715 | Lagophylla minor | Craig Thomsen | 1999-5-10 | 2027 | Colusa | Colusa County. BLM Bear Creek Ranch. Near intersection of Hwy 16 and Hwy 20. About 0.5 miles south of Hwy 20. | Comment | |||
UCD82519 | Lagophylla minor | Craig Thomsen; G. Harrington | 2009-5-12 | 2876 | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. | 713 | Comment | ||
CAS-BOT-BC341470 | Lagophylla ramosissima | L. R. Abrams | 1928-5-8 | 12586 | Colusa | 2 miles south of Arbuckle | Comment | |||
UCD61466 | Lagophylla ramosissima | Ellen Dean; G. Harrington, N. Voegtly, J. Alderson, C. Thomsen | 2007-6-24 | 3912 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwy 16 and Hwy 20. West of BLM equestrian parking lot (Cowboy Camp) on west side of Bear Creek. Approximately 1.5 miles SW of parking lot in Eula Canyon. | 310 | Comment | ||
UCR206691 | Lamium amplexicaule | George K. Helmkamp, E. A. Helmkamp | 2009-1-31 | 14323 | Colusa | Sacramento Valley, Jameson Road 1.3 miles north of its junction with Lurline Road and south of Harbison Road, generally west of the city of Colusa | 16 | Comment | ||
CHSC77915 | Lasthenia californica | Jean Witzman; Beth Hendrickson | 1999-4-7 | Colusa | Vicinity of Antelope Valley, Funks Creek, and Logan Ridge. | 121 | Comment | |||
HSC48034 | Lasthenia californica | Thomas W. Nelson, Jane P. Nelson | 1978-4-29 | 3939 | Colusa | Along Bear Valley Rd., 2.5 mi. from junction with Hwy. 20 | 366 | Comment | ||
CAS-BOT-BC324484 | Lasthenia ferrisiae | Alice Eastwood | 1921-4-11 | 10232 | Colusa | Colusa | Comment | |||
UC725317 | Lasthenia ferrisiae | A. A. Heller | 1929-3-12 | 14824 | Colusa | 2 mi n Maxwell | Comment | |||
CHSC107951 | Lasthenia fremontii | B. Castro; T. Boullion | 2011-4-20 | 1835 | Colusa | Sacramento Valley. Extreme W edge of Sacramento Valley; ca 5 air mi NW of Maxwell, 0.8 mi SE of Funks Reservoir and 650 ft northeast of Tehama-Colusa Canal. Off northwest corner of large +- saline/alkaline wetland/marsh, scattered in marsh edges, vernally moist flats, vernal pools and edge of large bald patch of bare whitish soil. | 49 | Comment | ||
CAS-BOT-BC353479 | Lasthenia fremontii | Mrs. Alvin Seale | 1932-4-17 | s.n. | Colusa | unspecified | Comment | |||
CAS-BOT-BC352922 | Lasthenia glaberrima | J. M. Tucker | 1978-5-6 | 4408 | Colusa | West side of Bear Valley Road, 11 miles (by road) north of junction with State Hwy 20 | 396 | Comment | ||
CAS-BOT-BC352923 | Lasthenia glaberrima | J. M. Tucker | 1978-5-6 | 4408 | Colusa | West side of Bear Valley Road, 11 miles (by road) north of junction with State Hwy 20 | 396 | Comment | ||
UCD133750 | Lasthenia glaberrima | J. M. Tucker | 1978-5-6 | 4408 | Colusa | On west side of Bear Valley Road, 11 miles (by road) north of junction with State Highway 20. | 365 | Comment | ||
CHSC8124 | Lasthenia glabrata | J. G. Moore | 1969-4-12 | 65 | Colusa | In orchard 300 yds. s of junction with Hwy. 20 on Hwy. 16, e side of road. | 106 | Comment | ||
UCD163320 | Lasthenia glabrata | Craig D. Thomsen | 1997-4-20 | 1919 | Colusa | Bear Valley. About 6 miles north of Hwy 20. | Comment | |||
CDA32830 | Lasthenia glabrata | P. Hiatt | 1979-4-26 | Colusa | North end of Bear Valley at Bartlett Springs Road. | 0 | Comment | |||
HSC90077 | Lasthenia glabrata | C. Baldwin, A. Hiss, P. Reynolds | 1990-4-14 | 45 | Colusa | 100 m off Bear Valley Rd., 1.2 mi. S of junction with Walker Ridge Rd. | 409 | Comment | ||
CAS-BOT-BC328107 | Lasthenia glabrata subsp. coulteri | Roxana S. Ferris | 1926-4-22 | 6288 | Colusa | Tule land 3 miles W of Colusa | Comment | |||
CHSC101593 | Lasthenia glabrata subsp. glabrata | David W. Isle; Rhonda Isle, Dorothy Lingerfelt | 1998-4-19 | 1661 | Colusa | Mendocino National Forest; Keegan Ranch, adj. Bear Valley Road. MDB and M. | Comment | |||
SEINET7062981 | Lasthenia glabrata subsp. glabrata | A. G. Vestal | 1955-4-5 | s.n. | Colusa | Along Route 16 about 0.2 mile south of Route 20 and near Bear Creek. UTM Zone 10, 555654mE, 4318071mN. (WGS84/NAD83). | 320 | Comment | ||
UC1049545 | Lasthenia glabrata subsp. glabrata | Rimo Bacigalupi | 1950-4-16 | 3124 | Colusa | Bear Valley | Comment | |||
UCR247331 | Lasthenia glabrata subsp. glabrata | Peter Rubtzoff | 1978-5-14 | 9167 | Colusa | Inner North Coast Range, Bear Valley Road, c. 4-5 miles south of junction of the road to Ft. Ross State Historic Park, Bartlett Springs Road | 405 | Comment | ||
CAS-BOT-BC353439 | Lasthenia glabrata subsp. glabrata | Ella Dales Cantelow | 1936-4-11 | 1151 | Colusa | Jct. William Hy, Bear Creek Canyon | Comment | |||
UCD15423 | Lasthenia gracilis | Margit Sands | 1985-4-13 | 26 | Colusa | in Bear Valley, 3.8 miles north of Wilbur Hot Springs rd.; | 390 | Comment | ||
UCD66913 | Lasthenia gracilis | Craig D. Thomsen | 2008-4-27 | s.n. | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Basin at top of ridge to the northwest of Eula Canyon and southwest of Cowboy Camp on the west side of Bear Creek. Center of basin. | 487 | Comment | ||
UCD67937 | Lasthenia gracilis | Nancy Vucinich | 1978-4-8 | 8 | Colusa | Bear Valley, 10.3 miles N. of junction of Highways 16 and 20. Growing in open meadow, foothill woodland. Growing in clusters. Stems and leaves softly pubescent. Slender annual, yellow flowers. | 396 | Comment | ||
JEPS80788 | Lathyrus jepsonii var. californicus | L. R. Heckard and J. C. Hickman | 1981-7-30 | 5761 | Colusa | se side of Snow Mountain, Trout Creek Trout Creek; Snow Mountain, Trout Creek | 1584 | Comment | ||
UCD81710 | Lathyrus jepsonii var. californicus | Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia | 2009-5-27 | 5716 | Colusa | Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road. | 833 | Comment | ||
HSC95805 | Lathyrus vestitus subsp. vestitus | A. Skelly, B. Bletcher, G. McCabe | 1996-3-30 | 10 | Colusa | 1.6 mi. W of Bear Valley Rd. and Brim Rd. on Brim Rd., 14.7 mi. on Walker Ridge Rd. to Brim Rd., 57 mi. E of Hwy. 101 on Hwy. 20, Leesville | Comment | |||
JEPS88897 | Lathyrus vestitus var. vestitus | Vernon H. Oswald and Lowell Ahart | 1994-4-6 | 6070 | Colusa | 0.3 mi s of Sullivan Creek Bridge (Goat Mountain Rd, sw of Digger Pine Flat, s of Stonyford); Goat Mountain Rd | 487 | Comment | ||
CHSC55474 | Layia chrysanthemoides | Barbara Adams | 1991-4-6 | 13 | Colusa | Ca 0.3 mi west of junction of Hwys 20 and 16, south side of Bear Creek, ca 18 mi southwest of Williams. | 321 | Comment | ||
UCD164148 | Layia chrysanthemoides | Craig Thomsen | 1997-4-20 | 1923 | Colusa | Bear Valley. About 8 miles north of Hwy 20. | Comment | |||
POM284945 | Layia chrysanthemoides | Lyman Benson | 1935-3-27 | 6341 | Colusa | Williams; Mt. Range: Inner N Coast; Watershed: Sacramento River | 61 | Comment | ||
UCD15435 | Layia chrysanthemoides | Lisa Montang | 1985-4-13 | 3 | Colusa | California, Colusa Co.; Bear Valley, 3.8 miles north of Wilbur Springs Road and Highway 20 intersection. | 390 | Comment | ||
HSC90060 | Layia fremontii | C. Baldwin, A. Hiss, P. Reynolds | 1990-4-15 | 51 | Colusa | Bear Valley | 409 | Comment | ||
UCR261738 | Layia gaillardioides | Ann Howald | 2003-4-23 | 2305 | Colusa | Inner North Coast Ranges, Bear Valley Road, c. 1.5 miles north of intersection with Bear Valley Grade/Old Wilbur Road | 395 | Comment | ||
CHSC65801 | Layia platyglossa | L. P. Janeway; B. Castro, Linnea Hanson, Beth Corbin, Kim Earl | 1995-4-28 | 4761 | Colusa | Southern end of Bear Valley just west of where the road crosses Bear Creek. | 396 | Comment Read comments May 24 2013 |
||
HSC85935 | Layia platyglossa | Michalski, Hopson, Raum | 1987-4-12 | 62 | Colusa | Bear Valley | Comment | |||
UCR206849 | Layia platyglossa | George K. Helmkamp, E. A. Helmkamp | 2009-3-11 | 14358 | Colusa | Sacramento Valley, junction of Moon Bend Road and CA-20 at the south end of the city of Colusa | 23 | Comment | ||
CAS-BOT-BC380898 | Layia platyglossa | Bruce G. Baldwin | 1986-4-13 | 597 | Colusa | Bear Valley 7.3 miles north of junction with California State Highway 20 along Bear Valley Road | Comment | |||
CDA8151 | Layia platyglossa | P. Hiatt | 1979-4-26 | Colusa | North end of Bear Valley at Bartlett Springs Road. | 0 | Comment | |||
SEINET11447842 | Layia platyglossa | M. J. Williams | 1967-5-7 | s.n. | Colusa | Bear Valley | 396 | Comment | ||
CAS-BOT-BC329324 | Layia septentrionalis | R. F. Hoover | 1938-4-24 | 3213 | Colusa | Upper Sand Creek | Comment | |||
CHSC91515 | Layia septentrionalis | D. Isle | 1995-4-30 | 391 | Colusa | Mendocino National Forest--North Coast Ranges. Little Stony Creek Watershed. Goat Mt. Rd. (Little Stony Rd.), 5.1 mi. out from jct. with Stonyford-Lodoga Rd. and just W of Sullivan Creek Bridge. | 487 | Comment | ||
UC761855 | Layia septentrionalis | R. F. Hoover | 1938-4-23 | 3206 | Colusa | grade on Rumsey-Arbuckle road | Comment | |||
UC761877 | Layia septentrionalis | R. F. Hoover | 1938-4-24 | 3213 | Colusa | Upper Sand Creek | Comment | |||
UCR261680 | Layia septentrionalis | Ann Howald | 2003-4-23 | 2311 | Colusa | Inner North Coast Ranges, Indian Valley, East Park Reservoir, Catholic Point peninsula, east of Coppermine Road, c. 0.2 mi north of intersection with East Ruby King Road | 425 | Comment | ||
POM313214 | Leersia oryzoides | H. L. Mason | 1945-9-19 | 12715 | Colusa | Below causway over Butte Sink spillway, east bank of Sacramento River, 1 mile above Colusa. | Comment | |||
CAS-BOT-BC527263 | Lemna gibba | A. A. Heller; H. E. Brown | 1902-5-19 | 5571 | Colusa | Near Colusa | Comment | |||
JEPS127105 | Lemna minuta | Lowell Ahart, John Dittes, Josephine Guardino | 2016-2-14 | 20723 | Colusa | About 1/2 mile north of Letts Lake, about 1/2 mile south of the large campground, about 13 miles (air) southwest of Stonyford. | Comment | |||
CHSC46882 | Lemna trisulca | Vernon Oswald | 1989-9-12 | 4005 | Colusa | Lily Pond near Letts Lake in the Mendocino National Forest, ca. 10 mi (air) sw of Stonyford. In pool at the outlet of the 'Lily Pond. | 1341 | Comment | ||
CAS-BOT-BC527301 | Lemna trisulca | J. M. Tucker; L. K. Mann; John Tothill | 1959-5-30 | 3532 | Colusa | On small lake in Mill Valley, ca. 1/4 mile northwest of Lower Letts Valley and ca. 4 airline miles north of Goat Mountain Lookout | Comment | |||
UCD138193 | Lemna trisulca | C. Richie Bell | 1951-6-13 | 1167 | Colusa | below Letts Meadow on road from Bear Creek to Foutes Spring. | 914 | Comment | ||
CHSC79481 | Lepidium dictyotum var. acutidens | L. P. Janeway; B. Castro | 2000-3-23 | 6636 | Colusa | Vicinity of Funks Creek and Glenn-Colusa Canal. | 47 | Comment | ||
CHSC111210 | Lepidium latifolium | David Isle | 2013-9-23 | 2050 | Colusa | Salt Creek N of Dennis Dr. bridge; Isle property. | Comment | |||
CAS-BOT-BC89759 | Lepidium latipes | Roxana S. Ferris | 1917-4-12 | 532 | Colusa | 4 miles east of Williams. | Comment | |||
UC398784 | Lepidium latipes | Brandegee | Apr 1889 | Colusa | Colusa Junction | Comment | ||||
CAS-BOT-BC89888 | Lepidium nitidum | Roxana S. Ferris | 1917-4-12 | 719 | Colusa | 4 miles east of Williams. | Comment | |||
CHSC52006 | Lepidium nitidum | Camille M. Corda | 1982-4-12 | 17 | Colusa | Ca. 0.3 mi w of jct of Hwys 20 and 16, s side of Bear Creek, 100 ft from n side of Hwy 20, ca. 18 mi sw of Williams. | 321 | Comment | ||
CAS-BOT-BC12797 | Lepidium perfoliatum | A. S. Strichfield | 1926-4-1 | s.n. | Colusa | Near Sycamore. | Comment | |||
CHSC79790 | Leptosiphon bicolor | L. P. Janeway; B. Castro | 2000-5-1 | 6688 | Colusa | Vicinity of Grapevine Creek and Sites-Lodoga Road. | 201 | Comment | ||
HSC83341 | Leptosiphon bicolor | Clinton C. Shock | 1980-5-3 | 57 | Colusa | Bear Valley, 12 mi. N of Hwy. 20 | 384 | Comment | ||
UCD14331 | Leptosiphon bicolor | G. Robinson | 1984-4-21 | 4 | Colusa | Colusa Co.; Bear Valley, ca. 40 meters west of Wilber Springs Road, east of creek, 3.2 miles north of Highway 20; | 390 | Comment | ||
UCD55171 | Leptosiphon bolanderi | Kim E. Steiner | 1978-4-29 | 202 | Colusa | Walker Ridge Road; 1.5 miles N of State Hwy 20. | 777 | Comment | ||
CHSC23879 | Leptosiphon ciliatus | G. E. Bowen | 1971-3-27 | 11 | Colusa | 11 mi. w of Williams, n side of road, about 10 yards. | 213 | Comment | ||
HSC47564 | Leptosiphon ciliatus | J. P. Smith, J. O. Sawyer | 1978-4-29 | 9796 | Colusa | Bear Valley Rd., 5.9 mi. from its junction with Hwy. 20 | 366 | Comment | ||
HSC85855 | Leptosiphon filipes | Rob Marheine, Tim Tilghman, Bruce Delgado | 1987-4-11 | Colusa | Bear Valley, Bartlett Springs Rd. | Comment | ||||
CHSC1269 | Leptosiphon parviflorus | V. Holt | 1935-5-12 | Colusa | Stonyford. | Comment | ||||
UCD63017 | Leptosiphon parviflorus | Ellen Dean; C. Thomsen, N. Voegtly, J. Alderson, G. Harrington | 2008-3-30 | 4669 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Slopes to the west of Cowboy Camp on the west side of Bear Creek. | 404 | Comment | ||
UCD81216 | Leptosiphon parviflorus | Ellen Dean; K. Mawdsley, B. Rice, G. Harrington, and J. Alderson | 2009-5-6 | 5553 | Colusa | Payne Ranch, lands to the SW of the jct. of Hwys. 16 and 20. Destinella Flat area on the S side of Hwy. 20. Top of ridge to the E of Destanella Flat. | 578 | Comment | ||
UCD118988 | Leptosiphon parviflorus | Robert E. Preston | 1995-6-2 | 869 | Colusa | Walker Ridge. | 1005 | Comment | ||
UC1051736 | Lesquerella occidentalis subsp. occidentalis | Helen K. Sharsmith | 1953-6-20 | 4291 | Colusa | summit of Goat Mountain Inner North Coast Ranges, Mendocino National forest, Goat Mt (Lake-Colusa boundary) | 1864 | Comment | ||
UCD163716 | Lessingia | Craig Thomsen | 1999-5-10 | 2008 | Colusa | Bear Valley. About 7 miles north of Hwy 20. | Comment | |||
NY180562 | Lessingia adenophora | M. K. Curran | 1884-1 | s.n. | Colusa | At Epperson's | Comment | |||
UCD70252 | Lessingia micradenia | D. Sanchez-Mata | 1998-7-9 | s.n. | Colusa | Bear Valley. Destanella Flat-Walker Ridge. | 450 | Comment | ||
CAS-BOT-BC341801 | Lessingia nemaclada | Peter H. Raven; R. Snow | 1959-9-11 | 14425 | Colusa | About 2 miles south-east of Happy Camp | 762 | Comment | ||
CHSC77543 | Lessingia nemaclada | Heidi West; Caroline Warren | 1998-5-26 | Colusa | Vicinity of Antelope Valley, Huffmaster Road, and Sites. | 152 | Comment | |||
NY180585 | Lessingia nemaclada | M. K. Curran | 1884-1 | s.n. | Colusa | At Epperson's | Comment | |||
SD132027 | Lessingia nemaclada | Barbara Ertter, Neese,Fujii,Espindola | 1989-10-21 | 8868 | Colusa | Brim Road, southwest of Leesville to Indian Valley Reservoir | 609 | Comment | ||
UCD66535 | Lessingia nemaclada | Craig D. Thomsen | 2001-5-24 | 2487 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
UCR227341 | Lessingia nemaclada | Craig D. Thomsen | 2000-6-23 | 2400 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, south side of Hwy 20, c. 0.5 mi west of Hwy 20/16 intersection (between mileposts 2.17 and 2.63) | 325 | Comment | ||
UCR227342 | Lessingia nemaclada | Craig D. Thomsen | 2001-5-24 | 2487 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, south side of Hwy 20, c. 0.5 mi west of Hwy 20/16 intersection (between mileposts 2.17 and 2.63) | 325 | Comment | ||
CAS-BOT-BC341802 | Lessingia nemaclada | Walter Knight; Irja Knight | 1963-9-23 | 113 | Colusa | Between Leesville and Wilbur Springs | Comment | |||
RSA758207 | Lessingia ramulosa | Doug Goldman | 2005-7-23 | 3569 | Colusa | East side of Wilbur Springs Road, about 1.35 miles west of the intersection with Bear Valley Road and just east of Sulphur Creek. Wilbur Springs Resort. | 415 | Comment | ||
UCD58177 | Lessingia ramulosa | Gordon Harrington | 2007-5-31 | 68 | Colusa | BLM Payne Ranch. Lands to the SW of the intersection of Hwy 16 and Hwy 20. Along Thompson Creek, approximately 3/4 mile downstream from Road Kill Cafe. | 357 | Comment | ||
UCD66708 | Lessingia ramulosa | Craig D. Thomsen | 2001-5-24 | 2507 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.17 and 2.25. | 342 | Comment | ||
UCD84559 | Lessingia ramulosa | Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society | 2010-6-5 | 6084 | Colusa | Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Springs. Many old undeveloped roads here. | 817 | Comment | ||
JEPS43214 | Lewisia rediviva | W. L. Jepson | 1932-5-7 | 16280 | Colusa | Lodoga | 457 | Comment | ||
JEPS15551 | Lewisia triphylla | G. Thomas Robbins with L. R. Heckard | 1956-7-25 | 3708 | Colusa | meadow along trail due s, skirting e base of ridge forming Snow Mt. West Snow Mt. East; Snow Mt. West | 1981 | Comment | ||
CAS-BOT-BC444476 | Lewisia triphylla | G. Thomas Robbins; L. R. Heckard | 1956-7-25 | 3708 | Colusa | Along trail due south of Snow Mt. East and skirting the eastern base of the ridge forming Snow Mt. West | 2042 | Comment | ||
UCD163658 | Leymus triticoides | Craig Thomsen | 1998-6-10 | 1956 | Colusa | Bear Valley. About 7 miles north of Hwy 20. | Comment | |||
CHSC53964 | Limnanthes douglasii subsp. nivea | Vernon H. Oswald | 1991-4-21 | 4517 | Colusa | Lodoga Stonyford Rd, ca. 2 mi south of Stonyford. Along drainages in pastures. | 371 | Comment | ||
UCD33941 | Limnanthes douglasii subsp. nivea | Beecher Crampton | 1958-4-21 | 9173 | Colusa | Colusa County, 4 miles N.W. of Lodoga by road. | Comment | |||
JEPS19624 | Limnanthes douglasii subsp. rosea | W. L. Jepson | 1932-5-7 | 16265 | Colusa | Indian Valley; w Colusa Co. | Comment | |||
UCD66941 | Limosella acaulis | Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth | 2008-6-8 | 5090 | Colusa | BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Western side of ranch along trail that follows the border of Lake and Colusa counties. Dunsfield Flat stock pond. | 628 | Comment | ||
JEPS58265 | Linanthus bolanderi | W. L. Jepson | 1932-5-8 | 16269 | Colusa | Lodoga, w Colusa Co. Lodoga | 457 | Comment | ||
CDA11404 | Linanthus ciliatus | G. F. Hrusa, K. van Katwyk | 1995-4-22 | 12125 | Colusa | Inner North Coast Ranges; Approx. 3 m. NW of Hwy 20 on Leesville Rd. | Comment | |||
UC71654 | Linanthus ciliatus | Miss Alice King | 1905-1 | Colusa | College City | Comment | ||||
UC907804 | Linanthus dichotomus | Herbert L. Mason | 1941-4-5 | 12407 | Colusa | 1 mi s Stonyford | Comment | |||
UCD118534 | Linanthus dichotomus | Beecher Crampton | 1958-4-21 | 9172 | Colusa | 4 miles NW of Lodoga (by road). | Comment | |||
JEPS94194 | Linanthus parviflorus | Vernon Oswald and Lowell Ahart | 1998-5-7 | 9006 .1 | Colusa | Bartlett Springs Rd. 2.1 mi. w. of Bear Valley Rd. and 0.8 m,i. e. of Sawtelle Valley & Grapevine Flat rds. | 524 | Comment | ||
UC618381 | Linanthus parviflorus | Alice Eastwood and John Thomas Howell | 1938-5-16 | 5630 | Colusa | Lake-Colusa county line, on road to Williams | Comment | |||
JEPS80136 | Linanthus rattanii | L. R. Heckard with J. Hickman | 1980-7-2 | 5296 | Colusa | just above Summit Spring entrance to Snow Mt. Trail (ca 10 mi w of Stonyford, Colusa-Lake County boundary); Snow Mt. | 1630 | Comment | ||
UC1142700 | Lithophragma | Rimo Bacigalupi with G. Ledyard Stebbins and Peter Kamb | 1950-4-16 | 3111 | Colusa | 4 mi s Ladoga (and 6 mi nnw of Leesville, along Little Indian Creek); Indian Valley, Little Indian Creek | 396 | Comment | ||
CHSC77955 | Lithophragma affine | Beth Hendrickson; Heidi West | 1999-3-23 | Colusa | Vicinity of Antelope Valley, Funks Creek, and Golden Gate. | 137 | Comment | |||
CAS-BOT-BC269050 | Lolium perenne | Roxana Stinchfield | 1916-6-17 | 491 | Colusa | Road to Tule near College City | Comment | |||
UCD143424 | Lomatium | Oren Pollak | 1987-4-10 | s.n. | Colusa | Bear Valley. | Comment | |||
UCD15294 | Lomatium | Claire Warshaw | 1985-4-10 | 13 | Colusa | along Bear Valley Road, 4.5 miles northwest form intersection with Highway 20. | 390 | Comment | ||
CHSC91217 | Lomatium californicum | D. Isle | 2003-6-4 | 370 | Colusa | Mendocino National Forest--North Coast Ranges. Middle Fork Stony Creek Watershed. 0.2 mi. W of M-10/M-5 jct. on N. edge of M-10. | 621 | Comment | ||
OBI54946 | Lomatium ciliolatum var. hooveri | Robert F. Hoover | 1941-5-2 | 4987 | Colusa | Just E of Lake Co. line on Williams-Clear Lake hwy | Comment | |||
HSC103588 | Lomatium ciliolatum var. hooveri | Thomas W. Nelson, Jane Nelson | 1981-4-16 | 6412 | Colusa | Along Bartlet Springs-Bear Valley Rd., ~ 100 yds. from Bear Valley | 610 | Comment | ||
CHSC42602 | Lomatium hooveri | Vernon Oswald | 1986-5-12 | 2005 | Colusa | Brim Rd. (Bartlett Springs Rd.) 1.5 mi w of Bear Valley Rd. | 441 | Comment | ||
CHSC70858 | Lomatium hooveri | Vernon Oswald; Lowell Ahart | 1998-4-21 | 8943 | Colusa | Stonyford-Logoda Rd. 3.7 mi south of Stonyford. | 384 | Comment | ||
LA90233 | Lomatium hooveri | Lincoln Constance; | 1965-4-13 | 3756 | Colusa | Between Clear Lake Oaks and Williams, Highway 20, 2.7 mi. W of Highway 16 | 548 | Comment | ||
UC1178993 | Lomatium hooveri | Herbert L. Mason | 1947-3-30 | 13164 a | Colusa | 0.5 mi E of Lake Co. line on Williams-Lower Lake Highway western Colusa Co. | Comment | |||
UC765513 | Lomatium hooveri | R. F. Hoover | 1941-5-2 | 4987 | Colusa | just e. Lake Co. line (on Williams-Clear Lake hwy.) | Comment | |||
UCD110811 | Lomatium hooveri | Christopher Mallek | 2008-1 | s.n. | Colusa | Pacific Ridge. Border of Colusa and Lake Counties. | 1101 | Comment | ||
UCD56686 | Lomatium hooveri | Gordon Harrington | 2007-3-25 | 5 | Colusa | BLM Payne Ranch. Destinella Flat area, just E of the Lake County border, ca. 3.4 road miles along Hwy 20 from the junction of Hwy 16 and Hwy 20. South side of Hwy 20. | 558 | Comment | ||
UCR261643 | Lomatium hooveri | Ann Howald | 2003-3-26 | 2288 | Colusa | Inner North Coast Ranges, Indian Valley, East Park Reservoir, Catholic Point peninsula, near Coppermine Road, c. 0.3 mi northwest of intersection with East Ruby King Rd. | 419 | Comment | ||
RSA0060080 | Lomatium macrocarpum | Richard R. Halse | 2014-3-25 | 9033 | Colusa | Along the Leesville-Logoda Road ca. 5.6 miles south of Logoda; Indian Valley. | 425 | Comment | ||
SEINET11263259 | Lomatium macrocarpum | Richard R. Halse | 2014-3-25 | 9033 | Colusa | Along the Leesville-Logoda Road ca. 5.6 miles S of Logoda. Indian Valley.; 0 | 425 | Comment | ||
JEPS80091 | Lomatium macrocarpum | L. R. Heckard with J. Hickman | 1979-6-16 | 5099 | Colusa | n. of meadow just w. of West Peak Snow Mt. | 1965 | Comment | ||
UC1053450 | Lomatium marginatum var. purpureum | Rimo Bacigalupi and Arthur Holmgren | 1950-4-26 | 3172 | Colusa | 7.7 mi. w. Sites (Grapevine Grade to Lodoga) | Comment | |||
SEINET13944634 | Lomatium tomentosum | Jack Major, Eilif Dahl | 1962-1 | sn | Colusa | Bear Valley | Comment | |||
CHSC81211 | Lomatium utriculatum | Caroline Warren; Jenny Marr, Heidi West, Joyce Lacey-Rickert, Julie | 1998-4-14 | Colusa | Vicinity of Grapevine Creek and Sites-Lodoga Road. | 137 | Comment | |||
JEPS16221 | Lomatium utriculatum | Rimo Bacigalupi and Arthur Holmgren | 1950-4-25 | 3177 | Colusa | 10 mi. n.w. Sites (Grapevine Grade to Lodoga) | Comment | |||
UCD163680 | Lomatium utriculatum | Craig Thomsen | 1999-4-15 | 1981 | Colusa | Bear Valley. About 5 miles north of Hwy 20, west of Bear Valley Rd. | Comment | |||
UCD56921 | Lomatium utriculatum | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3524 | Colusa | BLM Payne Ranch. Southwest of intersection of Hwy. 16 and Hwy. 20. In Craig Canyon. | 334 | Comment | ||
UCD57818 | Lomatium utriculatum | Gordon Harrington | 2007-4-17 | 30 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Destanella Flat, just south of Hwy 20, approximately 3.4 road miles west of the Hwy 16 intersection. | 527 | Comment | ||
UCD65645 | Lomatium utriculatum | Craig D. Thomsen | 2000-4-28 | 2182 -b | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, on south side of Hwy 20, ca. 0.25 mile west of Hwy 20/16 instersection, near Colusa Co. milepost 3.00. | 310 | Comment | ||
HSC47643 | Lomatium utriculatum | J. P. Smith, J. O. Sawyer | 1978-4-29 | 9795 | Colusa | Bear Valley Rd., 5.9 mi. from its junction with Hwy. 20 | 366 | Comment | ||
SEINET13944679 | Lomatium utriculatum | Jack Major, Eilif Dahl | 1962-1 | sn | Colusa | Bear Valley | Comment | |||
SEINET215143 | Lomatium utriculatum | Linda Lea Ferwerda | 1968-5-4 | Colusa | Wilbur springs road 8 miles northwest from its junction with State highway 20 | 408 | Comment | |||
UCD40909 | Lomatium utriculatum | A. Bebensee | 1984-4-21 | 6 | Colusa | 9 miles north of Hwy 20 on Bear Valley Road. About 100 yards into field on west roadside. | Comment | |||
UC1299566 | Lonicera interrupta | Freed W. Hoffman | 1948-6-29 | 2505 | Colusa | crossing at North Fork Stony Creek North Coast Ranges | Comment | |||
JEPS108723 | Lotus corniculatus | Lowell Ahart | 2006-8-9 | 13129 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford | 347 | Comment | ||
JEPS86626 | Lotus denticulatus | L. R. Heckard with P. C. Silva, R. L. and M. Moe | 1988-6-19 | 6706 | Colusa | 0.5 km w Summit Springs (sw flank of Snow Mountain, Colusa-Lake County line); Snow Mountain | 1500 | Comment | ||
UCR257975 | Lotus grandiflorus | Ellen Dean, Craig D. Thomsen, Gordon Harrington, R. Wilmarth, R. Wenk | 2010-6-2 | 6045 | Colusa | Walker Ridge, along Walker Ridge Road on southern part of the ridge, south of turnoff to Indian Valley Reservoir | 770 | Comment | ||
JEPS101802 | Lotus grandiflorus var. grandiflorus | Dean W. Taylor | 1998-6-23 | 16705 | Colusa | Walker Ridge; ; Walker Ridge, along BLM access road | 929 | Comment | ||
RSA516411 | Lotus grandiflorus var. mutabilis | L. R. Heckard | 1969-5-28 | 2233 | Colusa | On road above and west of Fouts Springs. | Comment | |||
HSC48166 | Lotus humistratus | Thomas W. Nelson, Jane P. Nelson | 1978-4-29 | 3930 | Colusa | Along Bear Valley Rd., 2 mi. from the junction with State Route 20. | 366 | Comment | ||
JEPS80180 | Lotus humistratus | L. R. Heckard with J. Hickman | 1980-7-3 | 5332 | Colusa | just w Summit Springs (sw Snow Mt., ca 10 mi w of Stonyford, Colusa-Lake County boundary); Snow Mt. | 1548 | Comment | ||
UCR138666 | Lotus humistratus | M. Brooks, Julie Evens, H. Johnson | 1997-3-29 | 8 | Colusa | Brim Road, 1.6 mi east of Brim Road/ Walker Ridge Road intersection | 457 | Comment | ||
UC454099 | Lotus purshianus var. purshianus | H. P. Chandler | 1905-10-14 | Colusa | Princeton | Comment | ||||
UCD65955 | Ludwigia hexapetala | B. J. Grewell | 2006-9-15 | 06- 67 -LU | Colusa | Colusa National Wildlife Refuge, south of Hwy 20, west of Colusa and Sutter Buttes. Glenn-Colusa Irrigation District West Lateral Canal at western refuge boundary, public auto tour route. | 13 | Comment | ||
UCD56933 | Lupinus albifrons | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3535 | Colusa | BLM Payne Ranch. Southwest of intersection of Hwy. 16 and Hwy. 20. Thompson Canyon. | 344 | Comment | ||
CHSC62843 | Lupinus albifrons var. collinus | Vernon H. Oswald; Lowell Ahart | 1994-3-23 | 6022 | Colusa | Little Stony Creek just W of Digger Pine Campground on Goat Mtn. Rd., S of Stonyford. | 490 | Comment | ||
UCD83748 | Lupinus albifrons var. collinus | Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard | 2010-5-1 | 5945 b | Colusa | Walker Ridge. Along Walker Ridge Road at intersection with road to Eaton Springs. Roadside, on E side of road. | 927 | Comment | ||
CDA11420 | Lupinus bicolor | G. F. Hrusa, K. van Katwyk | 1995-4-22 | 12141 | Colusa | Inner North Coast Ranges; Side of Leesville Rd. approx. 4 m. NW of Hwy. 20. | Comment | |||
HSC72138 | Lupinus bicolor | J. P. Smith, Thomas W. Nelson, Jane P. Nelson | 1978-4-2 | 9570 | Colusa | Bear Valley Rd., 2.1 mi. from its junction with Hwy. 20 | 366 | Comment | ||
RSA724140 | Lupinus bicolor | Richard R. Halse | 2002-3-21 | 6131 | Colusa | Williams; by junction of 5th Street and B Street. | 24 | Comment | ||
SEINET5320895 | Lupinus bicolor | Unknown | 2002-3-21 | 6131 | Colusa | Williams; By junction of 5th Street and B Street | 20 | Comment | ||
SEINET5328111 | Lupinus bicolor | R. R. Halse | 2002-3-21 | 6131 | Colusa | Williams; by junction 5th St. and B St. | 24 | Comment | ||
UCD64250 | Lupinus bicolor | Craig D. Thomsen | 2000-3-31 | 2052 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UCR233443 | Lupinus bicolor | George K. Helmkamp, E. A. Helmkamp | 2011-4-1 | 17131 | Colusa | Eastern Foothills North Coast Ranges, Antelope Valley, along Maxwell-Sites Road, 0.4 miles southeast of Sites | 93 | Comment | ||
HSC45663 | Lupinus densiflorus var. aureus | Howee Barban | 1978-4-22 | 16 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with State Route 20 | 412 | Comment | ||
HSC36907 | Lupinus densiflorus var. aureus | John Rehling, Robert M. Specht | 1976-3-26 | 172 | Colusa | 2 1/2 mi. E of Leesville on the Leesville Rd. to Williams | Comment | |||
POM163463 | Lupinus densiflorus var. aureus | Roxana S. Ferris | 1926-4-23 | 6415 | Colusa | At Mountain House on the Williams-Stonyford Road. | Comment | |||
SEINET10838182 | Lupinus densiflorus var. aureus | J. P. Kroessig | 1977-4-16 | Kroessig 9 | Colusa | Corolla yellow-white, pleasantly scented. Large population ca. 0.3 Mi. Sw of Jct of hwys 20 and 16, s side of bear creek, ca 18 mi. Sw of williams. Wilbur Springs quad, 15'. S central border of sec 36, t14n, r5w. Open foothill Woodlands. | 322 | Comment | ||
SEINET10870982 | Lupinus densiflorus var. aureus | Lison | 1987-4-26 | LISON 671 -1 | Colusa | 15.7 miles s of stonyford. Lessville - lodogo road. Grassy slope. Corolla Yellow | Comment | |||
SEINET12161687 | Lupinus densiflorus var. aureus | Unknown | 1977-1 | 20 | Colusa | ca 10 m N of Salt Creek, Salt Canyon, Hwy 20, 16kmWSW of Williams. WilburSpringsQuad. seebelow | 143 | Comment | ||
UC71650 | Lupinus formosus var. robustus | Miss Alice King | 1905-1 | Colusa | College City | Comment | ||||
UC73241 | Lupinus formosus var. robustus | Miss M. Alice King | 1905-1 | Colusa | near College City; Sacramento Valley | Comment | ||||
UCD107778 | Lupinus formosus var. robustus | D. E. Breedlove | 1963-4-20 | 4624 | Colusa | 11 miles W of Arbuckle on the Rumsey-Arbuckle Road. | Comment | |||
JEPS104139 | Lupinus luteolus | Lowell Ahart | 2003-7-14 | 10390 | Colusa | On the e and w side of Bear Valley Rd, ca 1/4 mi n of the intersection of Bear Valley Rd and Wilber Springs Rd and bridge. | 379 | Comment | ||
JEPS98385 | Lupinus luteolus | Vernon H. Oswald | 2000-8-21 | 9950 | Colusa | Bear Valley near the junction of Bear Valley and Brim roads | 411 | Comment | ||
UC1299680 | Lupinus luteolus | Freed W. Hoffman | 1949-9-25 | 3151 | Colusa | Bear Valley; North Coast Ranges, Bear Valley | Comment | |||
RSA761032 | Lupinus luteolus | Barbara Ertter | 1989-7-1 | 8616 | Colusa | Road to Goat Mountain Lookout 0.4 miles south of Route M-10 (Bear Creek-Fouts Spring Road) at head of South Fork Stony Creek, about 12 air mile west-southwest of Stonyford. | 1372 | Comment | ||
SBBG122950 | Lupinus luteolus | B. Ertter | 1989-7-1 | 8616 | Colusa | rd to Goat Mtn lookout, 0.4 mi S of Bear Crk-Fouts Spring Rd, head of S Fk of Stony Crk | 1371 | Comment | ||
SD27803 | Lupinus menziesii | Carl B. Wolf | 1928-5-7 | 2121 | Colusa | 17 miles east of [Houghs] Springs on the road to Williams | 456 | Comment | ||
UC1234601 | Lupinus microcarpus var. densiflorus | Peter H. Raven | 1962-5-31 | 17910 | Colusa | State Highway 20, 2.5 mi e Lake County line | Comment | |||
UCD163886 | Lupinus microcarpus var. densiflorus | Craig D. Thomsen | 2002-4-26 | 2600 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way on south side of Hwy 20, about 0.75 mile west of Hwy 20/16 instersection. | Comment | |||
UCR206292 | Lupinus microcarpus var. densiflorus | George K. Helmkamp, E. A. Helmkamp | 2009-5-20 | 14736 | Colusa | Central Inner Coast Ranges, along CA-16 near Bear Creek, 1.6 miles south of the junction with CA-20 | 320 | Comment | ||
RSA659209 | Lupinus microcarpus var. densiflorus | R. Riggins | 1982-5-30 | 1448 | Colusa | Roadside Ladoga-Leesville Rd., 4.4 mi N Leesville. | 457 | Comment | ||
SBBG114088 | Lupinus microcarpus var. densiflorus | R. Riggins | 1982-5-30 | 1448 | Colusa | Ladoga-Leesville Rd, 4.4 mi N Leesville | 457 | Comment | ||
SEINET239852 | Lupinus microcarpus var. densiflorus | Rhonda Riggins | 1982-5-30 | 1 /20 | Colusa | Roadside Ladoga-Leesville Road. 4.4 miles north of Leesville. | 457 | Comment | ||
HSC14931 | Lupinus pachylobus | D. R. Junell | 1965-4-18 | 30 | Colusa | 2 mi. E on Hwy. 16 from junction with Hwy. 20 | Comment | |||
HSC45734 | Lupinus polycarpus | M. Alcasas | 1978-4-22 | 39 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
HSC86906 | Lupinus subvexus var. subvexus | Terry Hines, Ellen Purcell, N. Williams | 1988-4-17 | 58 | Colusa | 1.3 mi. S on Bear Valley Rd. from corner of Brim Rd. | 396 | Comment | ||
CHSC77930 | Lupinus succulentus | Jean Witzman; Beth Hendrickson | 1999-4-19 | Colusa | Vicinity of Logan Ridge and Golden Gate. | 152 | Comment | |||
HSC45690 | Lupinus succulentus | Patricia Shesgreen | 1978-4-22 | 28 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
UCD56925 | Lupinus succulentus | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3528 | Colusa | BLM Payne Ranch. Southwest of intersection of Hwy. 16 and Hwy. 20. Near headwaters of Craig Canyon. | 359 | Comment | ||
UCR233449 | Lupinus succulentus | George K. Helmkamp, E. A. Helmkamp | 2011-4-1 | 17123 | Colusa | Eastern Foothills North Coast Ranges, Antelope Valley, along Maxwell-Sites Road, 0.4 miles southeast of Sites | 93 | Comment | ||
SEINET10490294 | Lupinus vallicola subsp. apricus | Thomas W. Nelson, Jane P. Nelson | 1978-4-29 | Nelson 3963 | Colusa | Along bear valley rd. 2.5 Mi from jct with state route 20. Oak woodland. | 366 | Comment | ||
RSA74314 | Lycopus americanus | Milo S. Baker | 1946-9-5 | 11628 | Colusa | Along Hwy in water ditch betw Colusa & Williams. | Comment | |||
UCD124975 | Lycopus americanus | Collector Unknown | Date Unknown | s.n. | Colusa | Exact location unknown. | Comment | |||
CHSC107290 | Lythrum californicum | L. P. Janeway; B. Castro | 2011-7-9 | 10509 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; 1.5 km southeast of Funks Reservoir and 0.1-0.6 km northeast of Tehama-Colusa Canal. Edges of swale feeding south side of the marsh; at the only spot of bulrush. | 49 | Comment | ||
CHSC107980 | Lythrum californicum | B. Castro; Joe Silveira, Tom Boullion | 2011-6-10 | 1883 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; ca 5 air mi NW of Maxwell, I mi southeast of Funks Reservoir and 0.2 mi northeast of Tehama-Colusa Canal. Ca 100 ft E of large +- saline/alkaline wetland/marsh, on S edge of compacted E-W road track that goes through marsh. | 49 | Comment | ||
CHSC61752 | Lythrum californicum | Vernon H. Oswald | 1993-9-1 | 5890 | Colusa | Sacramento Wildlife Refuge. Refuge located ca. 7 mi S of Willows, N side of Hunters Creek in Tract 44, near the S boundary of the refuge. Growing along tules in a ditch along the levee road bordering the N side of Tract 44, S of Cell 1, Pool 12. | 22 | Comment | ||
SBBG119884 | Lythrum californicum | L. Ahart | 2006-8-9 | 13160 | Colusa | N side and under bridge across Stony Crk, just N of Stonyford | 347 | Comment | ||
RSA0014831 | Lythrum californicum | Roxana Stinchfield | 1916-7-11 | 433 | Colusa | Davis Tule, near Sycamore Slough. | Comment | |||
CHSC86827 | Lythrum hyssopifolia | Jenny Marr; Heidi West, Caroline Warren | 1998-7-1 | Colusa | Vicinity of Sites, Golden Gate, Stone Corral Creek, and Funks Creek. Vernal pools. | 103 | Comment | |||
RSA0015862 | Lythrum hyssopifolia | L. Ahart | 2006-8-9 | 13161 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 348 | Comment | ||
CHSC107979 | Lythrum tribracteatum | B. Castro; Joe Silveira, Tom Boullion | 2011-6-10 | 1884 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; ca I mi southeast of Funks Reservoir and 700 ft northeast of Tehama-Colusa Canal. Large +- alkaline vernal pool/marsh. | 49 | Comment | ||
JEPS104406 | Lythrum tribracteatum | Lowell Ahart | 2003-10-23 | 10667 | Colusa | On the e strand of East Park Reservoir, ca 1/8 mi nw of Sites Lodoga Rd, ca 1 mi n of Lodoga, ca 21 mi w of Maxwell. | 368 | Comment | ||
SD211626 | Lythrum tribracteatum | Barbara Ertter, Elizabeth Neese, et al | 1989-10-21 | 8870 | Colusa | Southeast end of East Park Reservoir North of Lodoga, narrow strand on shady substrate | 366 | Comment | ||
UC1619949 | Lythrum tribracteatum | Barbara Ertter with Elizabeth Neese, Laura Fujii, Dawn Espindola | 1989-10-21 | 8870 | Colusa | SE end of East Park Reservoir N of Lodoga | 365 | Comment | ||
CHSC48178 | Madia elegans subsp. elegans | Vernon Oswald | 1986-6-30 | 2174 | Colusa | Letts Lake Rd. (17N02) 0.6 mi se of M10. | 1219 | Comment | ||
CHSC79466 | Madia exigua | B. Castro; L. P. Janeway | 2000-5-2 | 1106 | Colusa | Vicinity of Sites, Sites-Lodoga Rd, and Grapevine Creek. | 216 | Comment | ||
CHSC86127 | Madia gracilis | Jenny Marr; Julie Cunningham, Heidi West, Caroline Warren | 1998-5-27 | Colusa | Vicinity of Antelope Valley, Antelope Creek, and Huffmaster Road. | 121 | Comment | |||
CAS-BOT-BC334716 | Madia gracilis | Bruce G. Baldwin | 1985-6-1 | 483 | Colusa | 3.2 miles norht of junction with California State Highway 20 along Bear Valley Road | Comment | |||
UCD135665 | Madia gracilis | Bruce G. Baldwin | 1985-6-1 | 483 | Colusa | 3.2 miles north of junction with California State Highway 20 along Bear Valley Road. | Comment | |||
CDA8257 | Madia hallii | Vernon H. Oswald & Lowell Ahart | 1998-5-7 | 9012 | Colusa | Bartlett Springs Road 2.8 miles west of Bear Valley Road, 0.1 mile east of Sawtelle Valley and Grapevine Flat Roads. | Comment | |||
UCD163226 | Madia sativa | Craig D. Thomsen | 2000-5-30 | 2260 | Colusa | Bear Creek Botanical Management Area. CalTrans right-of-way along Hwy 20 (south side), about 1 mile west of Hwy 20/16 intersection. | 345 | Comment | ||
UCD66442 | Madia sativa | Craig D. Thomsen | 2000-4-28 | 2191 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, on south side of Hwy 20, ca. 0.25 mile west of Hwy 20/16 instersection, near Colusa Co. milepost 3.00. | 310 | Comment | ||
CHSC110854 | Malacothamnus fremontii | David Isle; Rhonda Isle | 2013-6-23 | 2044 | Colusa | Just E of Maxwell Grade Summit and pass; hot-burned S aspect slope N of Sites Lodoga Road (at Grapevine Pass). In July 2012 Sites Fire Area. | 562 | Comment | ||
UCD81897 | Malacothamnus fremontii | G. Harrington | 2009-6-30 | 82 | Colusa | BLM Bear Creek (formerly Payne) Ranch. Lands to the SW of the junction of Hwys 16 and 20. W side of Bear Creek on flat area above a steep bluff overlooking the creek. | 233 | Comment | ||
CHSC80037 | Malacothamnus helleri | L. P. Janeway; Joyce Lacey-Rickert | 2000-6-1 | 6778 | Colusa | Vicinity of Grapevine Creek, Hayes Canyon, and Eggman Canyon. | 335 | Comment | ||
CAS-BOT-BC347385 | Malacothrix floccifera | Alice Eastwood; John Thomas Howell | 1938-5-16 | 5635 | Colusa | Lake-Colusa Co. line on road to Williams | Comment | |||
CHSC110848 | Malacothrix floccifera | David Isle; Rhonda Isle | 2013-5-19 | 2042 | Colusa | Little Stony Creek Watershed. 0.1 mi W of Maxwell Grade Summit; Burned NW asp. S of Sites Lodoga Road. Alluvial terrace of eph. drainage; 7/12 Sites Fire Area GPS 10S 0546355E 4355688N. | 548 | Comment | ||
CHSC27868 | Malacothrix floccifera | Robin Ondricek | 1978-4-8 | 5 | Colusa | Salt Canyon, n side of Salt Creek, Hwy 20, 11 mi wsw of Williams. | 143 | Comment | ||
HSC48167 | Malacothrix floccifera | Thomas W. Nelson, Jane P. Nelson | 1978-4-29 | 3931 | Colusa | Along Bear Valley Rd., 2 mi. from the junction with State Route 20. | 366 | Comment | ||
JEPS120980 | Malacothrix floccifera | Lowell Ahart, John Dittes, Josephine Guardino | 2013-4-26 | 18627 | Colusa | On N side of Hwy 20, just E of Lake County Line, 12.2 air miles ENE of town of Clear Lake, 17.1 air miles W of Williams. | Comment | |||
JEPS36771 | Malacothrix floccifera | W. L. Jepson | 1932-5-8 | 16292 | Colusa | n of Stonyford | 365 | Comment | ||
UC1613354 | Malacothrix floccifera | Charles M. Belshaw | 1937-4-1 | 2854 | Colusa | Vicinity of Cook's Spring Inner North Coast Range, Devil's Ridge | Comment | |||
UCR261603 | Malacothrix floccifera | Ann Howald | 2003-3-26 | 2295 | Colusa | Inner North Coast Ranges, Indian Valley, east side of East Park Reservoir, c. 3.1 miles north of Lodoga, near shore of reservoir | 370 | Comment | ||
CHSC84435 | Malvella leprosa | Lowell Ahart | 2003-8-15 | 10507 | Colusa | Road (disked) that bordered rice field, on the south side of Highway 20, about 1 mile southwest of Williams. | 27 | Comment | ||
CHSC116053 | Marah fabacea | Richard R. Halse | 2014-3-25 | 9029 | Colusa | Along the Sites-Logoda Road ca. 4.7 miles northeast of Logoda; on the west end of Grapevine Pass. | 527 | Comment | ||
POM284892 | Marah fabacea | Lyman Benson | 1935-3-27 | 6337 | Colusa | 2 mi W of Williams. Inner N Coast mtn range, Sacramento River watershed. | 122 | Comment | ||
RSA0010481 | Marah watsonii | Richard R. Halse | 2014-3-25 | 9031 | Colusa | Along the Sites-Logoda Road ca. 4.7 miles northeast of Logoda; on the west end of Grapevine Pass. | 527 | Comment | ||
UC903736 | Marah watsonii | Milo S. Baker | 1947-4-6 | 11644 | Colusa | less than 1 mi e Colusa-Lake Co. boundary (along Hiway 20) | Comment | |||
UCD164045 | Marah watsonii | Richard Philbrook | 2016-4-9 | 3 | Colusa | BLM Bear Creek Ranch (Previously Payne Ranch). Lands to the SW of jct of Hwys 16 and 20. Just southwest of corral at junction of 16 and 20. Lower slopes of hill. | 327 | Comment | ||
UCD66594 | Marah watsonii | Craig D. Thomsen | 2000-4-28 | 2241 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
UCD66689 | Marah watsonii | Craig D. Thomsen | 2000-5-11 | 2319 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
UCD66701 | Marah watsonii | Craig D. Thomsen | 2001-4-12 | 2432 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
RSA63685 | Marah watsonii | Milo S. Baker | 1947-4-6 | 11644 | Colusa | 1 mile E of Lake - Colusa boundary along hwy 20, Serpentine area. | Comment | |||
UCD57553 | Marrubium vulgare | Andrew Pedersen; with Plant Biology 102 | 2007-4-29 | 3 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Meadow on the west side of State Route 16, ca. 2 road miles south of intersection with State Route 20. West side of Bear Creek, near confluence with Craig Creek. | 304 | Comment | ||
CAS-BOT-BC67833 | Marsilea vestita | Roxana Stinchfield | 1916-7-11 | 452 | Colusa | Colusa-Williams Road at the trough | Comment | |||
CHSC84939 | Marsilea vestita subsp. vestita | Lowell Ahart | 2003-10-23 | 10669 | Colusa | On the east strand of East Park Reservoir, about 1/8 mile northwest of Sites Lodoga Road, about 1 mile north of Lodoga, about 21 miles west of Maxwell. | 368 | Comment | ||
UC75895 | Matricaria occidentalis | Miss M. Alice King | 1905-1 | Colusa | near City College; Sacramento Valley | Comment | ||||
UCR212379 | Medicago minima | Ellen Dean, Craig D. Thomsen, N. Voegtly, J. Alderson, Gordon Harrington | 2008-3-30 | 4683 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Along west side of Bear Creek, just north of Eula Canyon. | 313 | Comment | ||
UCD56908 | Medicago polymorpha | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3511 | Colusa | BLM Payne Ranch. In Craig Canyon. Southwest of intersection of Hwy. 16 and Hwy. 20. | 326 | Comment | ||
UCD81219 | Medicago polymorpha | Ellen Dean; K. Mawdsley, B. Rice, G. Harrington, and J. Alderson | 2009-5-6 | 5556 | Colusa | Payne Ranch, lands to the SW of the jct. of Hwys. 16 and 20. Destinella Flat area on the S side of Hwy. 20. Ridges to the south of Destanella Flat. | 483 | Comment | ||
POM276582 | Medicago polymorpha | Lyman D. Benson | 1933-4-16 | 4337 | Colusa | 5 miles south of Arbuckle, Sacramento River Watershed, Sacramento Valley. | 91 | Comment | ||
CDA14215 | Melica californica | G. F. Hrusa | 1993-5-2 | 10859 | Colusa | Frenzel Creek Research Natural Area; Mendocino National Forest. Small colony of several clumps on lower NW facing slopes in mid-canyon of Frenzel Creek, tributary of Little Stony Creek. Scattered among openings in sparse Quercus durata chaparral. Perennial. | Comment | |||
CHSC100246 | Melica californica | D. Isle | 1988-4-13 | 1507 | Colusa | Mendocino National Forest - North Coast Ranges. Middle Fork Stony Creek Watershed. West of Fouts Springs youth facility; Approx. 1 mile west of current gate on Rd to Bathhouse Trail; East of road and E of Trout Ck Trailhead; Within fenced exclosure burned during 1987 Fouts Fire. | 609 | 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 | ||
UCR212347 | Melica californica | Craig D. Thomsen | 2000-4-12 | 2162 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mi west of Hwy 20/16 intersection, milepost 3.00 | 310 | Comment | ||
SEINET11684249 | Melica californica | Unknown | 1971-1 | 908 | Colusa | 3.3 mi N of Stony Ford on Elk Creek Road | Comment | |||
JEPS80810 | Melica harfordii | L. R. Heckard and J. C. Hickman | 1981-7-31 | 5783 | Colusa | Fouts Springs Overlook Snow Mt. (e side of Snow Mt.) | 1813 | Comment | ||
RSA724950 | Melilotus indicus | L. Ahart | 2006-8-9 | 13168 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 348 | Comment | ||
CDA16093 | Melilotus officinalis | G. F. Hrusa | 1999-5-16 | 15050 | Colusa | North Coast Ranges; Little Stony Creek | 457 | Comment | ||
UCD107985 | Melilotus officinalis | G. F. Hrusa | 1999-5-16 | 15050 | Colusa | Little Stony Creek. | 457 | Comment | ||
JEPS108913 | Mentha canadensis | Lowell Ahart | 2006-8-9 | 13090 | Colusa | On the south side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford | 455 | Comment | ||
POM62477 | Mentha canadensis | Roxana Stinchfield | 1918-7-8 | 382 | Colusa | Sycamore Slough; Stinchfield Ranch | Comment | |||
CHSC94314 | Mentzelia laevicaulis | Lowell Ahart | 2006-8-9 | 13109 | Colusa | Gravel bar on the south side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford. | 422 | Comment | ||
UCD38806 | Mentzelia micrantha | Beecher Crampton | 1958-5-19 | 4821 | Colusa | Colusa County, 6.3 miles northeast of Ladoga. | Comment | |||
UCR261642 | Micropus californicus | Ann Howald | 2003-4-23 | 2310 | Colusa | Inner North Coast Ranges, Indian Valley, East Park Reservoir, Catholic Point peninsula, west of Coppermine Road, c. 0.05 mi north of intersection with East Ruby King Road | 428 | Comment | ||
SEINET5710220 | Micropus californicus | Patricia Warne | 1967-1 | 56 | Colusa | South end of Bear Valley by Bear Creek.; Bear Valley | 390 | Comment | ||
CAS-BOT-BC348362 | Micropus californicus var. californicus | Roxana S. Ferris | 1917-4-14 | 573 | Colusa | Foothills 7 mi west of Arbuckle, Arbuckle - Rumsey Road | Comment | |||
CAS-BOT-BC348363 | Micropus californicus var. californicus | Roxana S. Ferris | 1926-4-23 | 6431 | Colusa | Near summit of grade on Williams - Stonyford Rd | Comment | |||
CHSC62919 | Micropus californicus var. californicus | Vernon H. Oswald; Lowell Ahart | 1994-4-6 | 6067 B | Colusa | Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. | 469 | Comment | ||
JEPS87665 | Micropus californicus var. californicus | Vernon H. Oswald and Lowell Ahart | 1994-4-6 | 6067 B | Colusa | s. Stonyford (Goat Mt. Rd. at Sullivan Creek, 1.2 mi. s.w. of Digger Pine Flat); Sullivan Creek | 469 | Comment | ||
JEPS87666 | Micropus californicus var. californicus | Vernon H. Oswald and Lowell Ahart | 1994-4-6 | 6067 B | Colusa | s. Stonyford (Goat Mt. Rd. at Sullivan Creek, 1.2 mi. s.w. of Digger Pine Flat); Sullivan Creek | 469 | Comment | ||
UC71639 | Microseris campestris | Miss Alice King | 1905-1 | Colusa | College City | Comment | ||||
JEPS124230 | Microseris douglasii subsp. douglasii | Lowell Ahart | 2015-4-1 | 19996 | Colusa | Inner North Coast Range. 1/2 mile east of Lake County Line, 12 miles (air) east-northeast of Clear Lake (town), 17 miles (air) west of Williams. | Comment | |||
JEPS35674 | Microseris douglasii subsp. douglasii | W. L. Jepson | 1932-5-8 | 16270 | Colusa | Ladoga Ladoga (w Colusa County) | 457 | Comment | ||
JEPS36201 | Microseris douglasii subsp. douglasii | W. L. Jepson | 1920-5-23 | 8970 | Colusa | Bear Valley | 426 | Comment | ||
UCR261654 | Microseris paludosa | Ann Howald | 2003-4-24 | 2322 | Colusa | Inner North Coast Ranges, Indian Valley, west side of East Park Reservoir, near Pinto Point camping area | 368 | Comment | ||
CHSC89880 | Microseris sylvatica | B. Castro; L. Janeway | 2001-5-10 | 1249 | Colusa | Vicinity of Grapevine Creek, Antelope Creek, and Pence Mtn. Near dirt road paralleling N-S-trending perennial creek, at the blue oak-grassland edge on moderately steep E-facing slope | 405 | Comment | ||
UC638687 | Microseris sylvatica | Ethel Crum | 1938-5-8 | 2032 | Colusa | 3 mi n Leesville | Comment | |||
CHSC86524 | Microsteris gracilis | B. Castro; Beth Hendrickson | 2003-3-19 | 1391 | Colusa | Vicinity of Sites, hills N of the Sites-Lodoga Rd, and Stone Corral Creek. | 198 | Comment | ||
UCD64433 | Microsteris gracilis | Craig D. Thomsen | 2001-3-27 | 2436 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
RSA424702B | Microsteris gracilis subsp. gracilis | Aaron Liston, M. A. Blumler | 1987-4-26 | 667 -14 | Colusa | Bear Valley - Lodoga Road, 6.6 miles S of Bartlett Springs Jct. | Comment | |||
CHSC108158 | Mimetanthe pilosa | David Isle; Rhonda Isle | 2010-7-21 | 1915 | Colusa | Mendocino National Forest - North Coast Ranges Middle Fork Stony Creek Watershed. West shoreline of East Park Reservoir on bank just north of spillway; Within 2 to 4 ft of water line. | 365 | Comment | ||
RSA724949 | Mimulus cardinalis | L. Ahart | 2006-8-9 | 13157 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 348 | Comment | ||
UCD82726 | Mimulus cardinalis | Craig Thomsen; G. Harrington | 2009-5-14 | 2909 | Colusa | Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs. | 813 | Comment | ||
RSA535823 | Mimulus douglasii | David M. Thompson | 1988-3-28 | 860 | Colusa | 2.0 mi W of Bear Valley Road along Bartlett Springs Road. 0.25 mi W of a road culvert for a small stream. | 534 | Comment | ||
UCD122620 | Mimulus douglasii | Kim E. Steiner | 1978-3-30 | 175 | Colusa | Bartlett Springs Road, ca. 15.9 miles from State Highway 20 via Bear Valley Road. | Comment | |||
JEPS80380 | Mimulus floribundus | L. R. Heckard and J. Hickman | 1981-6-22 | 5613 | Colusa | Dark Hollow Creek Snow Mt. | 1889 | Comment | ||
HSC85824 | Mimulus guttatus | David Munger, Tallchief Comet, Jeff Dunk | 1987-4-12 | 78 | Colusa | Bear Valley | Comment | |||
SBBG128807 | Mimulus guttatus | L. Ahart | 2013-5-1 | 18688 | Colusa | small drainage, N of the wash and St Hwy 20, just E of Lake County Line, 12.2 mi (air) ENE of Clear Lake (town), 17.1 mi (air) W of Williams | 566 | Comment | ||
JEPS108815 | Mimulus layneae | Lowell Ahart | 2006-6-11 | 12664 | Colusa | On the east side of an off road trail (Trail 30), about 100 yards south of Fouts Road, about 5 miles (by road) west of Stonyford | 613 | Comment | ||
JEPS60202 | Mimulus layneae | L. R. Heckard | 1969-5-29 | 2238 | Colusa | about 6 1/2 air mi se Stonyford (along Trough Spring Ridge road, 0.2 mi n of its junction with Crackerbox Ridge road) | 1127 | Comment | ||
UC971992 | Mimulus layneae | Herbert L. Mason | 1952-6-19 | 14305 | Colusa | Black Diamond Ridge Mendocino National Forest | 609 | Comment | ||
JEPS3633 | Mimulus microphyllus | H. L. Mason | 1953-5-5 | 14518 | Colusa | 1/4 mi above confluence of Little Stony Creek and Trout Creek; Little Stony Creek drainage | 670 | Comment | ||
JEPS80055 | Mimulus microphyllus | L. R. Heckard and J. Hickman | 1979-6-15 | 5055 | Colusa | e trail from Frog Pond (cirque between e and w peaks); Snow Mt. | 1981 | Comment | ||
UC725827 | Mimulus microphyllus | A. A. Heller | 1942-5-29 | 16482 | Colusa | 1/2 mi w Highway #16 (along State Highway #20) | Comment | |||
UCD82576 | Mimulus nudatus | Craig Thomsen | 2008-6-12 | 2766 | Colusa | Bear Creek (formerly Payne) Ranch. South side of Hwy 20, ca. 0.25 mi W of Hwy 16. West and SW of the corral that is located at the junction of Hwy 16 and 20. | Comment | |||
JEPS108907 | Mimulus pilosus | Lowell Ahart | 2006-8-9 | 13105 | Colusa | Gravel bar on the south side of Stony Creek, at Mine Camp, about 3 1/2 miles (air) west of Stonyford | 422 | Comment | ||
JEPS108933 | Mimulus pilosus | Lowell Ahart | 2006-8-9 | 13113 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford | 347 | Comment | ||
RSA0118631 | Mimulus pilosus | Lowell A. Ahart | 2013-10-1 | 19072 | Colusa | Strand of East Park Reservoir, about 2.5 miles (air) southeast of Stonyford, about 2.5 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. | 365 | Comment | ||
UCR261755 | Mimulus pilosus | Ann Howald | 2003-5-30 | 2358 | Colusa | Inner North Coast Ranges, Indian Valley, east side of East Park Reservoir, c. 3 miles north of Lodoga, ridge west of Serenity camping area | 373 | Comment | ||
NY90769 | Mimulus rattanii | V. Rattan | 06 1882 | s.n. | Colusa | Above Font's Spr. Coast Mts. North of San Francisco Bay. | Comment | |||
CHSC86967 | Minuartia douglasii | B. Castro | 2003-5-15 | 1436 | Colusa | Vicinity of Logan Ridge, Sulphur Gap and Lurline Creek. Above dirt rd paralleling a S-trending canyon. | 179 | Comment | ||
UCD164031 | Minuartia douglasii | Indya Messier | 2016-4-9 | 5 | Colusa | BLM Bear Creek Ranch (previously Payne Ranch). Lands to the SW of jct of Hwys 16 and 20. South of the corral at junction of 16 and 20, at the top of hill. | 504 | Comment | ||
CHSC92630 | Minuartia nuttallii var. gregaria | D. Isle | 1999-7-14 | 1287 | Colusa | Mendocino National Forest--North Coast Ranges. Middle Fork Stony Creek Watershed. Approx. 1/3 mile below jct. 16N18/16N03 (1/4 mi. below Lake/Colusa Co. Line in Colusa Co. GPS: 10S 0522970 E 4347039 N; Spr 25' South. | 1688 | Comment | ||
JEPS89251 | Moluccella laevis | Frank A. Leach | 1919-1-1 | Colusa | w of Williams (Elbert Brim ranch) | Comment | ||||
CAS-BOT-BC220676 | Monardella villosa | A. A. Heller | 1916-6-6 | 12355 | Colusa | Coast Range on the grade about 3 miles west of Leesville | Comment | |||
CHSC83196 | Monardella villosa | D. Sanchez-Mata | 1996-6-27 | Colusa | Williams. Blue Ridge. In Bear Creek. | Comment | ||||
UCR44933 | Monardella villosa | L. F. LaPre | 1986-5-30 | s.n. | Colusa | Stony Creek Rd, 2.2 mi. west of Mendocino National Forest boundary, NE of Clear Lake | 678 | Comment | ||
CAS-BOT-BC214163 | Monardella villosa subsp. villosa | Mark A. Elvin; David Isle; Mark S. Brunell | 2006-8-3 | 4991 | Colusa | Mendocino Nat. Forest, E face of Snow Mtn., Stony Creek along M10, Southern Northern Inner Coast Ranges | 609 | Comment | ||
UCD82537 | Monardella villosa subsp. villosa | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5690 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 817 | Comment | ||
JEPS15267 | Monolopia major | Rimo Bacigalupi with G. L. Stebbins, Calvin McMillan, Peter Kamb, and S. Galen Smith | 1950-4-16 | 3118 | Colusa | base grade (Bartlett Springs road) (western edge of valley); inner edge of easternmost North Coast Ranges, Bear Valley | 426 | Comment | ||
UCD163879 | Monolopia major | Craig D. Thomsen | 2002-3-27 | 2574 | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way on south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection. | 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 | ||
SFV12204 | Monolopia major | J. M. Tucker | 1968-5-4 | 4109 | Colusa | Bear Valley, middle of valley floor, 10 miles (by road) northwest of junction of Bear Valley Road and State Highway 20. | 396 | Comment | ||
UC90430 | Monolopia major | K. Brandegee | April 1889 | Colusa | Comment | |||||
UCD82631 | Muhlenbergia asperifolia | Jack Alderson | 2009-8-6 | 27 | Colusa | BLM Bear Creek (formerly Payne) Ranch. Lands to the SW of junction of Hwys 16 and 20. Near confluence of Craig and Bear Creeks. | 304 | Comment | ||
UCD86698 | Muhlenbergia filiformis | G. Thomas Robbins; L. R. Heckard | 1956-7-25 | 3707 | Colusa | South of Snow Mt. East and skirting the eastern base of the ridge forming Snow Mt. West. | 1981 | Comment | ||
SEINET3243572 | Muilla maritima | Frank W. Gould | 1938-1 | 302 | Colusa | Four miles north of Maxwell, Colusa County. | Comment | |||
CAS-BOT-BC83272 | Myosurus minimus | Roxana S. Ferris | 1918-4-10 | 1442 | Colusa | 4 miles east of Williams. | Comment | |||
CAS-BOT-BC83276 | Myosurus minimus | Herbert L. Mason | 1953-4-5 | 14509 | Colusa | Three miles east of Maxwell. | Comment | |||
UCD96586 | Myosurus minimus | H. L. Mason | 1953-4-5 | 14509 | Colusa | Three miles east of Maxwell. | Comment | |||
UC1028302 | Myosurus sessilis | George B. Rossbach | 1955-4-9 | 271 | Colusa | 3 mi e Maxwell (Sacramento Valley); Sacramento Valley | 18 | Comment | ||
POM312445 | Myosurus sessilis | H. L. Mason | 1953-4-5 | 14508 | Colusa | 3 miles east of Maxwell | Comment | |||
UCD96289 | Myosurus sessilis | H. L. Mason | 1953-4-5 | 14508 | Colusa | Three miles east of Maxwell. | Comment | |||
UC1100003 | Najas guadalupensis | Malcolm A. Nobs, S. Galen Smith | 1949-7-18 | 1007 | Colusa | 2.5 mi w of Williams | Comment | |||
POM312984 | Najas guadalupensis | H. L. Mason, Verne Grant | 1946-8-15 | 13008 | Colusa | 2 miles west of Colusa on Williams highway by bridge | Comment | |||
SEINET3237610 | Najas guadalupensis subsp. guadalupensis | Herbert L. Mason, Verne Grant | 1946-9-5 | 13120 | Colusa | Road to Lake County, 1.6 miles west of Williams. | Comment | |||
UCD57857 | Nassella cernua | Gordon Harrington; Diana Hickson, Jack Alderson | 2007-4-29 | 44 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Along Thompson Creek, upstream (west of) Road Kill Cafe. On a terrace at the confluence of Thompson Creek and a tributary, approximately 3/4 mile upstream from the breached dam near Road Kill Cafe. | 413 | Comment | ||
UCD63742 | Nassella lepida | Craig D. Thomsen | 2008-5-23 | 2751 | Colusa | BLM Payne Ranch. Southwest of intersection of Hwy 16 and Hwy 20. About 1 mile south of Hwy 20 (south of Destanella Flat) and 2.5 miles west of Hwy 16. | 420 | 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 | ||
CHSC100258 | Nassella pulchra | D. Isle | 1988-4-13 | 1506 | Colusa | Mendocino National Forest - North Coast Ranges. Middle Fork Stony Creek Watershed. West of Fouts Springs youth facility; Approx. 1 mile west of current gate on Rd to Bathhouse Trail; East of road and E of Trout Ck Trailhead; Within fenced exclosure burned during 1987 Fouts Fire. | 609 | Comment | ||
CHSC85970 | Nassella pulchra | Jenny Marr; Caroline Warren | 1998-5-4 | Colusa | Vicinity of Sites, Stone Corral Creek, and Antelope Valley. | 106 | Comment | |||
UCD57863 | Nassella pulchra | Gordon Harrington; Diana Hickson, Jack Alderson | 2007-4-29 | 48 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. South terrace of Thompson Creek about 300 feet upstream of breached dam close to Road Kill Cafe. | 395 | Comment | ||
UCD66983 | Navarretia atractyloides | Ellen Dean; Davis Botanical Society | 2008-5-31 | 5057 | Colusa | west of I-5 at Maxwell, vicinity of Fouts Springs, west of Stoneyford, Grindstone Ranger District Mill Creek campground parking area on S side of Fouts Springs Road. | 507 | Comment | ||
UC856855 | Navarretia cotulifolia | A. A. Heller | 1916-6-9 | 12388 | Colusa | about 2 mi w Leesville; Coast Range | Comment | |||
UC908409 | Navarretia cotulifolia | Herbert L. Mason | 1946-5-30 | 12817 | Colusa | near Eppersons; Bear Valley | Comment | |||
CHSC72457 | Navarretia divaricata subsp. vividior | L. P. Janeway; David Isle | 1998-7-3 | 5711 | Colusa | Along Pacific Ridge Road (16N06) 0.5 mi east of road to Spanish Ridge and Hough Springs; about 50 ft below ridge top on north-facing slope. | 1051 | Comment | ||
JEPS80184 | Navarretia divaricata subsp. vividior | L. R. Heckard with J. Hickman | 1980-7-3 | 5336 | Colusa | ca 10 mi w Stonyford (just w of Summit Springs, Colusa-Lake County boundary); Snow Mt. | 1548 | Comment | ||
CHSC112917 | Navarretia heterandra | B. Castro; Robin Carter, Amy Lyons | 2010-5-13 | 1808 | Colusa | Vicinity of Golden Gate in Logan Ridge, Road 69 and the Tehama-colusa canal, in disturbed, grazed annual grassland. | 131 | Comment | ||
CHSC112919 | Navarretia heterandra | B. Castro; Robin Carter, Amy Lyons | 2010-5-13 | 1806 | Colusa | Vicinity of Golden Gate in Logan Ridge, Funks Reservoir, and the Tehama-Colusa canal in distrubed, grazed annual grassland. | 119 | Comment | ||
CHSC79543 | Navarretia heterandra | B. Castro; L. P. Janeway | 2000-5-1 | 1104 | Colusa | Vicinity of Sites, hills S of the Sites-Lodoga Rd, and Grapevine Creek. | 204 | Comment | ||
JEPS117020 | Navarretia heterandra | David Gowen | 2008-5-24 | 924 | Colusa | West of Sites, heading up the hill on road to Ladoga, opposite driveway to #4826. | Comment | |||
JEPS117022 | Navarretia heterandra | David Gowen | 2008-5-24 | 920 | Colusa | West side of Bear Valley Road, about 6.7 miles north of Hwy 20. | Comment | |||
JEPS81285 | Navarretia intertexta | L. R. Heckard and J. C. Hickman | 1982-7-5 | 5896 | Colusa | Summit Springs, south side of Snow Mt. | 457 | Comment | ||
UC908621 | Navarretia jepsonii | Herbert L. Mason | 1946-5-30 | 12814 | Colusa | about 1 mi e Lake County line (w Colusa County); Leesville Grade | Comment | |||
UC971993 | Navarretia jepsonii | Herbert L. Mason | 1952-6-19 | 14307 | Colusa | Black Diamond Ridge Mendocino National Forest | 609 | Comment | ||
UCD66870 | Navarretia jepsonii | Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth | 2008-6-8 | 5073 | Colusa | BLM Payne Ranch. Lands to the southwest of the intersection of Hwy 16 and Hwy 20. Northwest corner of ranch. Along ridge trail on the border of Lake and Colusa counties. Just south of junction with trail that heads east to the headwaters of Thompson Creek. | 634 | Comment | ||
CAS-BOT-BC230318 | Navarretia jepsonii | A. A. Heller | 1940-6-7 | 15709 | Colusa | 7 miles N of Stonyford | Comment | |||
CAS-BOT-BC230339 | Navarretia leucocephala subsp. bakeri | Niall McCarten | 1985-5-6 | 5111 | Colusa | S side of Standard road, 0.2 mile W of Mills Orchards Road NW of Williams | Comment | |||
CHSC107942 | Navarretia leucocephala subsp. leucocephala | B. Castro; L. Janeway | 2011-4-27 | 1866 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; 5 air mi NW of Maxwell, 0.8 mi southeast of Funks Reservoir and 0.3 mi northeast of Tehama-Colusa Canal. At SW end of vernally moist swale which extends northeast of large +- saline/alkaline wetland/ marsh, in drying vernal pool bottom. | 48 | 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 | ||
UCR225393 | Navarretia nigelliformis | Ellen Dean, Gordon Harrington, J. Alderson, E. Bayon, R. Willmarth | 2008-6-8 | 5082 | Colusa | BLM Payne Ranch, lands to the southwest of the junction of Hwys 16 and 20. Northwestern part of ranch, along trail that follows the border of Lake and Colusa counties. South of junction with trail that heads down to the headwaters of Thompson Creek | 429 | Comment | ||
CHSC89835 | Navarretia nigelliformis subsp. nigelliformis | B. Castro; L. Janeway | 2001-5-10 | 1250 | Colusa | Vicinity of Grapevine Creek, Antelope Creek, and Pence Mtn. Near dirt road paralleling N-S-trending perennial creek. | 381 | Comment | ||
UCD57871 | Navarretia nigelliformis subsp. nigelliformis | Gordon Harrington; Diana Hickson, Jack Alderson | 2007-4-29 | 51 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. About 250 feet north of Road Kill Cafe in flat meadow-pasture area. | 385 | Comment | ||
JEPS70419 | Navarretia pubescens | W. L. Jepson | 1932-5-7 | 16256 | Colusa | 1 mi above Venado | Comment | |||
CHSC89877 | Navarretia tagetina | B. Castro; L. Janeway, S. Innecken | 2001-5-9 | 1246 | Colusa | Vicinity of Grapevine Creek, Antelope Creek, and Pence Mtn. Along dirt road paralleling N-S-trending perennial creek. | 365 | Comment | ||
UCD81730 | Nemacladus capillaris | Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia | 2009-5-27 | 5732 | Colusa | Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road. | 864 | Comment | ||
UCR78370 | Nemacladus capillaris | Barbara Ertter | 1989-7-1 | 8599 | Colusa | road to Goat Mtn Lookout, 2.2 mi. south of Route M-10 (Bear Creek - Fouts Spring Road) at head of S Fork of Stony Creek, c. 12 air mi. WSW of Stonyford | 1500 | Comment | ||
UCD63119 | Nemacladus montanus | Ellen Dean; G. Harrington, C. Thomsen, S. Harrison | 2008-5-18 | 4949 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Unnamed drainage south of Hwy 20 between Hwy 16 and Lynch Canyon that drains to Bear Creek by passing under Hwy 20. | 405 | Comment | ||
UCD160063 | Nemophila | James A. Neilson Jr. | 1975-4-29 | s.n. | Colusa | two miles south of Stonyford. (Exact location unknown. (Elevation and coordinates estimated by label maker.) | 365 | Comment | ||
CHSC62937 | Nemophila heterophylla | Vernon H. Oswald; Lowell Ahart | 1994-4-6 | 6058 | Colusa | Goat Mtn. Rd. 0.1 mi NE of Digger Pine Flat, S of Stonyford. Growing in gravelly soil of a roadside bank. | 463 | Comment | ||
JEPS95489 | Nemophila heterophylla | Vernon H. Oswald and L. Ahart | 1994-4-6 | 6058 | Colusa | T17N R6W NW1/4 Sec. 31, 1520 ft, Chaparral. Goat Mtn. Rd. 0.1 mi NE of Digger Pine Flat, S of Stonyford | 463 | Comment | ||
RSA758531 | Nemophila heterophylla | George K. Helmkamp, E. A. Helmkamp | 2009-3-11 | 14372 | Colusa | along CA-20, 14.3 miles southwest of Williams | 375 | Comment | ||
UC595049 | Nemophila heterophylla | Annetta Carter | 1938-5-8 | 1384 | Colusa | 6.6 mi s Lodoga; s of Lodoga | Comment | |||
CHSC14017 | Nemophila menziesii | G. Notch | 1974-3-30 | 122 | Colusa | Locally scattered along roadside ca. 0.5 mi w of jct of Hwys 20 and 16 on Hwy 20. | 335 | Comment | ||
JEPS81302 | Nemophila parviflora | L. R. Heckard and J. C. Hickman | 1982-7-5 | 5916 | Colusa | grassy slope below Summit Springs (s side Snow Mt.); , below Summit Springs | 1524 | Comment | ||
CHSC79764 | Nemophila pedunculata | L. P. Janeway; B. Castro | 2000-5-4 | 6707 | Colusa | Vicinity of Grapevine Creek and Sites-Lodoga Road. | 262 | Comment | ||
CHSC86958 | Nemophila pedunculata | Beth Hendrickson; Jenny Marr | 1999-2-18 | Colusa | Vicinity of Funks Creek, Antelope Valley, and Sites. | 158 | Comment | |||
UC638658 | Nemophila pedunculata | Ethel Crum | 1938-5-8 | 2025 | Colusa | 3 mi n Leesville; Inner North Coast Range | Comment | |||
UCD163210 | Nemophila pedunculata | Craig D. Thomsen | 2000-3-31 | 2103 | Colusa | Bear Creek Botanical Management Area. CalTrans right-of-way along Hwy 20 (south side), about 0.3 mile west of Hwy 20/16 intersection. | 345 | Comment | ||
UCD119932 | Nemophila pedunculata | J. M. Tucker; Ted Niehaus | 1960-4-3 | 3584 | Colusa | 9.1 miles above State Highway 20, Bear Valley (Wilbur Springs) Road. | Comment | |||
CHSC112643 | Nicotiana acuminata var. multiflora | Lowell Ahart | 2013-10-1 | 19084 | Colusa | Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. | 364 | Comment | ||
RSA0118880 | Nicotiana acuminata var. multiflora | Lowell Ahart | 2013-10-1 | 19084 | Colusa | Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. | 364 | Comment | ||
CAS-BOT-BC231532 | Nicotiana glauca | J. H. Thomas | 1960-8-29 | 8846 | Colusa | About 11 miles SW of Williams along highway 20 | Comment | |||
CAS-BOT-BC231533 | Nicotiana glauca | Roxana S. Ferris | 1926-4-23 | 6400 | Colusa | Williams - Stonyford Road near Mountain House | Comment | |||
JEPS87760 | Nicotiana glauca | Vernon H. Oswald and Lowell Ahart | 1994-3-23 | 6024 | Colusa | 1.8 mi w Stonyford-Lodoga Rd. (Goat Mtn Rd, s of Stonyford, between the road and Little Stony Creek) | 487 | Comment | ||
SEINET11587905 | Nicotiana glauca | Unknown | 2009-3-11 | 14379 | Colusa | Williams | Comment | |||
SEINET6174905 | Nicotiana glauca | R. R. Halse | 2007-3-25 | 7123 | Colusa | Along State Hwy. 20 ca 7.8 miles NE of junction with State Hwy. 16 at base of Salt Canyon, | 100 | Comment | ||
CHSC113037 | Nicotiana quadrivalvis | Lowell Ahart | 2013-10-1 | 19085 | Colusa | Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. | 364 | Comment | ||
JEPS120795 | Nicotiana quadrivalvis | Lowell Ahart | 2013-10-1 | 19085 | Colusa | Strand of East Park Reservoir, about 2.5 air miles SE of Stonyford, about 2.5 miles NW of Lodoga, about 10 air miles NW of Sites. | Comment | |||
UC199530 | Nicotiana quadrivalvis | H. M. Hall | 1917-4-29 | 10286 | Colusa | 5 mi n Colusa (Sacramento River banks); Sacramento River | Comment | |||
CAS-BOT-BC227679 | Oemleria cerasiformis | Craig Thomsen | 2008-6-12 | 2762 | Colusa | Walker Ridge, vicinity of Elgin Mine. Lucientes Property | 655 | Comment | ||
SEINET5766934 | Orobanche grayana var. jepsonii | H. P. Chandler | s.n. | Colusa | Princeton | Comment | ||||
JEPS81407 | Orobanche pinorum | L. R. Heckard and J. C. Hickman | 1982-7-9 | 6014 | Colusa | Colusa-Lake County Boundary: Near junction of Horse Glade along road to Lookout, Goat Mt. | Comment | |||
UC71779 | Orobanche vallicola | H. P. Chandler | 1905-10-1 | Colusa | Princeton | Comment | ||||
SEINET10549700 | Orthocarpus lithospermoides var. bicolor | Mary Susan Taylor, E. Pierce | 1981-5-17 | Taylor 3757 | Colusa | On E side of Lodoga-Stonyford Rd, in wet meadow of Valley Grassland, ca. 1 mi S of Stonyford. 1100 ft. | 335 | Comment | ||
SEINET12319550 | Orthocarpus purpurascens | Unknown | 1980-1 | 19 | Colusa | ca 0.3 mi W of jct of Hwy 20 & 16, S side of Bear Cr., ca 18 mi SW of Williams | 322 | Comment | ||
RSA430221 | Orthocarpus purpurascens var. purpurascens | Eugene Tanimoto | 1975-4-20 | 13 | Colusa | Bear Valley Road, 8.7 miles north of State Highway 20. | Comment | |||
CHSC72422 | Osmorhiza chilensis | L. P. Janeway; David Isle | 1998-7-3 | 5710 | Colusa | Along Pacific Ridge Road (16N06) 0.5 mi east of road to Spanish Ridge and Hough Springs; about 50 ft below ridge top on north-facing slope. | 1051 | Comment | ||
UCD70305 | Packera breweri | D. Sanchez-Mata | 1998-7-10 | s.n. | Colusa | Lodoga-Stonyford. Mendocino National Forest. Goat Mountain Road between Lodoga and Red Rock Cabin. | 420 | Comment | ||
CHSC88558 | Packera clevelandii | L. P. Janeway | 2001-6-6 | 7117 | Colusa | Inner North Coast Ranges. Malaney Flat, about 4.8 km (air) east of Walker Ridge Road. Large open meadow. | 610 | Comment | ||
CHSC88577 | Packera clevelandii | L. P. Janeway | 2001-6-6 | 7112 | Colusa | Inner North Coast Ranges. Eaton Springs, about 2.4 km east of Walker Ridge Road. Meadow opening. | 713 | Comment | ||
UC1299450 | Packera clevelandii | Freed W. Hoffman | 1947-6-19 | 1672 | Colusa | Cooks Springs North Coast Ranges | Comment | |||
UCD134746 | Packera clevelandii | A. M. Shapiro | 1994-6-12 | s.n. | Colusa | along Goat Mountain Road, between Sullivan Creek and Summit Lookout. | Comment | |||
UCD64040 | Packera clevelandii | Craig D. Thomsen | 2000-6-23 | 2425 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, Colusa Co. milepost 2.63. | 304 | Comment | ||
JEPS118687 | Packera eurycephala var. eurycephala | David Isle | 2011-5-8 | 1902 | Colusa | E of Isle home, concen. W of E fenceline. 2253 Dennis Dr, Stonyford in W 5 Ac of S 1/2 of NW 1/4 of SW 1/4 of SE 1/4. Gilmore Peak 7.5' quad. | Comment | |||
JEPS74815 | Packera eurycephala var. eurycephala | L. R. Heckard, T. I. Chuang, and R. Bacigalupi | 1975-5-7 | 4024 | Colusa | sw of Leesville (just sw of site of old Kowalski ranch( below upper dam road)); Upper Indian Valley | 396 | Comment | ||
UC91676 | Packera eurycephala var. eurycephala | Brandegee | May 1887 | Colusa | Epperson's | Comment | ||||
CHSC106247 | Packera greenei | B. Castro; L. P. Janeway | 2001-6-3 | 1258 C | Colusa | Inner North Coast Ranges. Spring at Grapevine flat, on top of Walker Ridge about 0.5 mi E of Baldy Mountain. East-facing slope/bench with large springy/meadowy area. | 883 | Comment | ||
UC1543129 | Packera greenei | Donald G. Nelson | 1940-6-9 | Colusa | w of Stoneyford Road to Snow Mountain area (road to Bonnie View) | Comment | ||||
UCD159330 | Packera greenei | D. S. Park | 2010-6-5 | 114 | Colusa | Walker ridge, Cold Spring Mt. roadside, grassland. | 760 | Comment | ||
UCD66559 | Packera greenei | Craig D. Thomsen | 2001-5-24 | 2438 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
HSC46738 | Packera greenei | William J. Ferlatte | 1978-6-13 | 1908 | Colusa | Colusa-Lake Co. line. On Mendocino National Forest Rd. 16N06 about 0.5 mi. SE of Kanaka Glade | 1050 | Comment | ||
UC1299386 | Paeonia brownii | Freed W. Hoffman | 1948-6-27 | 2493 | Colusa | 8.6 mi sw Fouts Springs (w Colusa Co.); upper Letts Valley | 1310 | Comment | ||
CHSC94428 | Panicum capillare | Lowell Ahart | 2006-8-22 | 13222 | Colusa | South side of Stony Creek, about 100 yards west of the bridge across Stony Creek, just north of Stonyford. | 349 | Comment | ||
UCD89771 | Panicum capillare subsp. hillmanii | Beecher Crampton | 1965-7-8 | 7446 | Colusa | 1 mile south of Sycamore. | Comment | |||
POM313202 | Panicum dichotomiflorum | H. L. Mason | 1945-9-19 | 12720 | Colusa | Below caus[e]way over Butte Sink spillway, East bank of Sacramento River, 1 mile north of Colusa. | Comment | |||
UC1101582 | Panicum dichotomiflorum subsp. dichotomiflorum | Herbert L. Mason | 1945-9-19 | 12720 | Colusa | 1 mi n Colusa (below causeway over Butte Sink spillway, e bank Sacramento River); e bank Sacramento River | Comment | |||
CAS-BOT-BC413468 | Parietaria pensylvanica | Roxana Stinchfield | 1916-7-8 | 378 | Colusa | Sycamore Slough. Stinchfield ranch | Comment | |||
CDA11258 | Parnassia californica | G. F. Hrusa | 1994-11-7 | 11993 | Colusa | North Coast Biodiversity Arena; Banks of Little Stony Creek, approx. 2.5 miles above Stonyford-Lodoga Rd. on Goat Mtn. Rd. | Comment | |||
UCR115039 | Parnassia californica | G. Fred Hrusa | 1994-11-7 | 11993 | Colusa | Banks of Little Stony Creek, c. 2.5 mi above Stonyford-Lodoga Rd. on Goat Mtn Road. | 440 | Comment | ||
UC596227 | Pectocarya penicillata | R. F. Hoover | 1938-4-24 | 3220 | Colusa | w Arbuckle; Sand Creek foothills | Comment | |||
UC766200 | Pectocarya penicillata | R. F. Hoover | 1938-4-24 | 3220 | Colusa | w Arbuckle; Sand Creek foothills | Comment | |||
UCD56679 | Pedicularis densiflora | Jack Alderson | 2007-3-25 | 15 | Colusa | BLM Payne Ranch. Destinella Flat area, just E of the Lake County border, ca. 3.4 road miles along Hwy 20 from the junction of Hwy 16 and Hwy 20. South side of Hwy 20. | 574 | Comment | ||
UCD66581 | Pediomelum californicum | Craig D. Thomsen | 2001-5-24 | 2526 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | 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 | ||
JEPS86609 | Pellaea brachyptera | L. R. Heckard with P. C. Silva, R. L. and M. Moe | 1988-6-19 | 6713 | Colusa | 0.5 mi. n.e. Summit Springs (s.w. flank of Snow Mt.); Colusa-Lake Co. Line, Snow Mt. | 1650 | Comment | ||
CHSC46033 | Pellaea mucronata | Lowell Ahart | 1976-11-14 | 1004 | Colusa | On the north side of the Sites Lodoga Road, about 3 miles north-west of Sites. | 365 | Comment | ||
UCD83617 | Pellaea mucronata var. mucronata | Craig Thomsen; G. Harrington | 2009-5-12 | 2833 | Colusa | Colusa County. Walker Ridge. South of spur road en route to Eaton Springs, about 1/2 mile east of Walker Ridge Rd. About 100 yds south of road (ravine with spring below). | 822 | Comment | ||
HSC47602 | Penstemon azureus | J. P. Smith, J. O. Sawyer | 1978-4-29 | 9797 | Colusa | Bear Valley Rd., 5.9 mi. from its junction with Hwy. 20 | 366 | Comment | ||
UCD57661 | Penstemon heterophyllus | Madeline Christopher; with Plant Biology 102 | 2007-4-29 | 3 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Eastern/Central part of ranch. Craig Canyon. North side of unimproved road. | 335 | 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 | ||
UC614476 | Penstemon heterophyllus var. purdyi | L. Constance | 1938-4-22 | 2148 | Colusa | Lower Lake-Williams Road 11 mi ne Lake-Colusa Line (above Salt Creek); Inner North Coast RAnges, above Salt Creek | 152 | Comment | ||
JEPS15552 | Penstemon purpusii | G. Thomas Robbins with L. R. Heckard | 1956-7-25 | 3709 | Colusa | above Dark Hollow Creek (a trib. of Middle Fork Stony Creek, along trail due s of Snow Mt. East, at lower edge of cirque between Snow Mt. West and Snow Mt. East); Snow Mt. East, Dark Hollow Crk trib. Middle Fork Stony Creek | 1981 | Comment | ||
CHSC42649 | Perideridia howellii | Vernon Oswald | 1986-6-30 | 2180 | Colusa | Mill Valley Campground near Letts Lake and Lily Pond. | 1188 | Comment | ||
CHSC86882 | Perideridia kelloggii | B. Castro | 2003-4-10 | 1419 | Colusa | Vicinity of Logan Ridge, Sulphur Gap and Lurline Creek. | 121 | Comment | ||
UCD127855 | Perideridia kelloggii | K. Esau; D. Hartmann | 1941-7-17 | s.n. | Colusa | Between Williams and Clear Lake, on U.S. #20. | Comment | |||
UCR261734 | Perideridia kelloggii | Ann Howald | 2003-5-30 | 2357 A | Colusa | Inner North Coast Ranges, Indian Valley, east side of East Park Reservoir, peninsula c. 2 miles north of Lodoga, Big Boot camping area | 365 | Comment | ||
CHSC107483 | Persicaria amphibia | Jeanne Pendell | 2010-7-17 | 1918 | Colusa | Mendocino National Forest - North Coast Ranges Middle Fork Stony Creek Watershed. East arm of East Park Reservoir, in the lake. | 365 | Comment | ||
CHSC84960 | Persicaria amphibia | Lowell Ahart | 2003-10-23 | 10656 | Colusa | In East Park Reservoir, about 1/8 mile northwest of Sites Lodoga Road, about 1 mile north of Lodoga, about 21 miles west of Maxwell. | 368 | Comment | ||
UCD99460 | Persicaria lapathifolia | H. R. Drever | 1945-8-24 | s.n. | Colusa | Near Grimes. | Comment | |||
CHSC80251 | Persicaria punctata | B. Castro; G. Kuenster | 2000-7-19 | 1201 | Colusa | Vicinity of Maxwell, Golden Gate in Logan Ridge, Funks Creek, and the Glenn-Colusa canal. | 39 | Comment | ||
JEPS2272 | Phacelia ciliata var. ciliata | Ruth Johnson | 1915-4-6 | Colusa | College City | Comment | ||||
CDA15464 | Phacelia corymbosa | G. F. Hrusa, WTD | 1998-6-19 | 14601 | Colusa | North Coast Ranges; Above Little Stony Creek. Goat Mtn. Rd. ~ 1 km. W of intersection with Lodoga-Stonyford Rd. | Comment | |||
CHSC32769 | Phacelia corymbosa | James Jokerst | 1980-6-27 | 923 | Colusa | Near Frenzel Creek Botanical Area. | 609 | Comment | ||
JEPS73516 | Phacelia corymbosa | L. R. Heckard | 1972-7-10 | 3134 | Colusa | w Trout Creek; Snow Mt. | 1828 | Comment | ||
UCR44932 | Phacelia corymbosa | L. F. LaPre | 1986-5-30 | s.n. | Colusa | Stony Creek Rd, 2.2 mi. west of Mendocino National Forest boundary, NE of Clear Lake | 678 | Comment | ||
RSA0021579 | Phacelia distans | M. Bourell | 1997-3-29 | 5807 | Colusa | Mendocino National Forest along Road near Brittan Ranch, 0.1 mi. N of North Fork Campground. | Comment | |||
RSA794842 | Phacelia distans | D. Isle | 2008-4-9 | 1934 | Colusa | Reese Place Duck Club (4498 2 Mile Road); approx. 4 miles northeast of Maxwell. | 30 | Comment | ||
JEPS2352 | Phacelia divaricata | W. I. Follette | 1935-3-31 | 25 | Colusa | Tahoe-Ukiah hwy 19.3 mi sw Williams (2.3 mi e of the Colusa-Lake Co. line. on or near Bear Creek, 3 1/2 mi se of Wilbur Spr.) | Comment | |||
UCD63016 | Phacelia divaricata | Ellen Dean; C. Thomsen, N. Voegtly, J. Alderson, G. Harrington | 2008-3-30 | 4668 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwys 20 and 16. Slopes to the NW of Cowboy Camp on the west side of Bear Creek. | 358 | Comment | ||
POM287455 | Phacelia divaricata | Lyman Benson | 1933-4-16 | 4326 | Colusa | 5 miles east of Lake County line. Mt. Range: Inner N. Coast; Watershed: N. Fork Cache Creek. | 457 | Comment | ||
CHSC12748 | Phacelia egena | L. V. Ritter | 1969-4-30 | 227 | Colusa | Ca 10 mi. sw of Williams, s side of Highway 20. | Comment | |||
CHSC77938 | Phacelia egena | Beth Hendrickson; B. Castro, L. P. Janeway, Mary Ann Griggs | 1999-4-12 | Colusa | Vicinity of Logan Ridge and Golden Gate. | 158 | Comment | |||
UC901824 | Phacelia egena | L. Constance, R. Bacigalupi, C. R. Bell, and A. H. Holmgren | 1950-4-26 | 3320 | Colusa | road cut 1 mi se Sites; Stone Corral Creek | 76 | Comment | ||
HSC45747 | Phacelia heterophylla | Stephen Plant | 1978-4-22 | 205 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
CDA32829 | Phacelia imbricata | P. Hiatt | 1979-4-26 | Colusa | North end of Bear Valley at Bartlett Springs Road. | 0 | Comment | |||
RSA799179 | Phacelia imbricata subsp. imbricata | George K. Helmkamp, E. A. Helmkamp | 2011-4-1 | 17132 | Colusa | Eastern foothills North Coast Ranges: Antelope Valley, along Maxwell-Sites Road, 0.4 mi southeast of Sites. | 93 | Comment | ||
UC901839 | Phacelia imbricata subsp. imbricata | L. Constance, R. Bacigalupi, C. R. Bell, and A. H. Holmgren | 1950-4-26 | 3322 | Colusa | ridge between Bear Valley and Indian Valley (near Colusa-Lake Co. line) | 609 | Comment | ||
HSC62807 | Phacelia tanacetifolia | J. M. DiTomaso | 1979-4-14 | 875 | Colusa | Bear Valley Rd., 3.9 mi. N of S.R. 20, next to Bear Creek. | 412 | Comment | ||
UC765521 | Phacelia tanacetifolia | R. F. Hoover | 1938-4-24 | 3230 | Colusa | below Sites; Stone Corral Canyon | Comment | |||
UCR233441 | Phacelia tanacetifolia | George K. Helmkamp, E. A. Helmkamp | 2011-4-1 | 17129 | Colusa | Eastern Foothills North Coast Ranges, Antelope Valley, along Maxwell-Sites Road, 0.4 miles southeast of Sites | 93 | Comment | ||
CDA32827 | Phacelia tanacetifolia | P. Hiatt | 1979-4-26 | Colusa | North end of Bear Valley at Bartlett Springs Road. | 0 | Comment | |||
UCR225399 | Phalaris aquatica | Ellen Dean, Gordon Harrington, J. Alderson, E. Bayon, R. Willmarth | 2008-6-8 | 5100 | Colusa | BLM Payne Ranch, lands to the southwest of the junction of Hwys 16 and 20. Western part of ranch along ridge trail at Cache Creek Canyon, just south of junction with trail that leads east to Brophy Canyon and Thompson Creek | 488 | Comment | ||
UCD88339 | Phalaris brachystachys | Beecher Crampton | 1961-7-20 | 5936 | Colusa | 8 miles SE of Grimes. | Comment | |||
UCD89177 | Phalaris minor | Hursh | 1919-1 | X 3340 | Colusa | Williams. | Comment | |||
UCD67056 | Phalaris paradoxa | Craig D. Thomsen | 2008-5-23 | 2750 | Colusa | BLM Payne Ranch. Lands to the SW of Hwy 16/20 intersection. About 1 mile south of Hwy 20 (south of Destanella Flat), 2.5 miles west of Hwy 16. | 420 | Comment | ||
CHSC57170 | Phlox gracilis | R. W. McNulty | 1983-4-9 | 1 | Colusa | Ca. 0.3 mi w of jct. of Hwys 20 and 16, s side of Bear Creek, ca. 18 mi se of Williams. | 321 | Comment | ||
SEINET7096814 | Phlox gracilis | A. G. Vestal | 1985-4-5 | s.n. | Colusa | Along Route 16 about .2 mile south of Route 20 and near Bear Creek. NAD27, 39? deg. 00'36ao , -122?_ 21'22ao (converted to WGS84 decimal degrees). | Comment | |||
UCR206397 | Phlox gracilis | George K. Helmkamp, E. A. Helmkamp | 2009-3-11 | 14370 | Colusa | Inner North Coast Range Foothills, along CA-20, 9.7 miles southwest of Williams, on the north side of Salt Creek | 162 | Comment | ||
UCD83810 | Phoradendron bolleanum | Ellen Dean; G. Harrington, K. Mawdsley, J. Shepard | 2010-5-1 | 5957 | Colusa | Walker Ridge, along Walker Ridge Road, at intersection with road/trail to Mount Baldy. | 880 | Comment | ||
RSA0115434 | Phoradendron macrophyllum | George K. Helmkamp, Elizabeth Helmkamp | 2014-1-4 | 22508 | Colusa | Sacramento Valley: along CA-20 at the junction with Alameda Court, 0.2 mile west of the Sacramento River crossing at Meridian. | 20 | Comment | ||
UCR257578 | Phoradendron macrophyllum | George K. Helmkamp, Elizabeth Helmkamp | 2014-1-4 | 22508 | Colusa | Sacramento Valley, along CA-20 at the junction with Alameda Court, 0.2 mile west of the Sacramento River crossing at Meridian | 20 | Comment | ||
CAS-BOT-BC141237 | Phoradendron serotinum subsp. tomentosum | Roxana S. Ferris | 1926-4-21 | 3274 | Colusa | Sycamore Slough 2 miles W of Sycamore | Comment | |||
CHSC88597 | Phragmites australis | L. P. Janeway; B. Castro | 2001-6-3 | 7098 | Colusa | Inner North Coast Ranges. Spring at Grapevine Flat, on top of Walker Ridge about 0.8 km east of Baldy Mountain. | 884 | Comment | ||
JEPS106503 | Phragmites australis | L. P. Janeway, B. Castro | 2001-6-3 | 7098 | Colusa | Inner North Coast Ranges. Spring at Grapevine Flat, on top of Walker Ridge about 0.8 km east of Baldy Mountain | 884 | Comment | ||
UCD125937 | Phyla nodiflora | Collector Unknown | Date Unknown | s.n. | Colusa | Exact location unknown. | Comment | |||
UCD126760 | Physalis lancifolia | P. B. Kennedy | 1925-9-18 | s.n. | Colusa | Cortena. | Comment | |||
UCD81734 | Pickeringia montana | Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia | 2009-5-27 | 5736 | Colusa | Walker Ridge. Along Walker Ridge Road, just S of turn off to Indian Valley Reservoir. | 840 | Comment | ||
CHSC105195 | Pickeringia montana var. montana | B. Castro; L. P. Janeway | 1999-7-5 | 1017 | Colusa | Ca 11 air mi SSW of Stonyford, 5 mi NW of Indian Valley Reservoir, just N of Colusa/Lake Co line, near Bear Wallow Spring. In serpentine substrate on gentle N-facing slope along N edge of USFS Rd 16N06, near top of Pacific Ridge. | 1127 | Comment | ||
UC1101610 | Pilularia americana | G. Thomas Robbins and S. Galen Smith | 1950-4-15 | 1905 | Colusa | Bear Valley | Comment | |||
CAS-BOT-BC242677 | Piptatherum miliaceum | Ellen Dean; C. Thomsen; G. Harrington; Davis Botanical Society | 2010-6-5 | 6082 | Colusa | Walker Ridge. Along Walker Ridge Road on southern part of the ridge, south of turnoff to Indian Valley Reservoir | 683 | 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 | ||
UCD84557 | Piptatherum miliaceum | Ellen Dean; C. Thomsen, G. Harrington, Davis Botanical Society | 2010-6-5 | 6082 | Colusa | Walker Ridge. Along Walker Ridge Road on southern part of the ridge, south of turnoff to Indian Valley Reservoir. | 683 | Comment | ||
CAS-BOT-BC169840 | Plagiobothrys | Alice M. King | 1905-1-1 | s.n. | Colusa | near College City. Sacramento Valley | Comment | |||
CHSC81227 | Plagiobothrys bracteatus | Caroline Warren; Joyce Lacey-Rickert | 1998-5-8 | Colusa | Vicinity of Sites and Antelope Creek. | 91 | Comment | |||
CHSC77920 | Plagiobothrys canescens | Beth Hendrickson; Jean Witzman | 1999-4-21 | Colusa | Vicinity of Antelope Valley and Sites. | 137 | Comment | |||
UC71656 | Plagiobothrys canescens | Miss Alice King | 1905-4-7 | Colusa | College City | Comment | ||||
UCD120813 | Plagiobothrys canescens | Alpaslun Ongun | 1961-4-16 | 37 | Colusa | Bear Valley, 8 miles north of State Highway 20. | Comment | |||
CHSC71109 | Plagiobothrys fulvus | Jan Monelo | 1989-4-1 | 14 | Colusa | Ca 0.3 mi w of jct of Hwys 20 and 16, s side of Bear Creek, ca 18 mi sw of Williams. | 321 | Comment | ||
UCD56945 | Plagiobothrys fulvus | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3547 | Colusa | BLM Payne Ranch. On west side of Hwy. 16. 2 road miles south of intersection with Hwy. 20. | 312 | Comment | ||
UC78083 | Plagiobothrys fulvus var. campestris | Katharine Brandegee | April, 1889 | Colusa | Colusa Junction | Comment | ||||
CHSC29722 | Plagiobothrys humistratus | K. R. Stern | 1980-4-1 | 6621 | Colusa | Vernal pool, south central border area of Colusa National Wildlife Refuge. | 45 | Comment | ||
UCD120840 | Plagiobothrys humistratus | Robert E. Preston | 1995-6-2 | 868 | Colusa | Bear Valley Road. | Comment | |||
CHSC31259 | Plagiobothrys leptocladus | R. A. Schlising; K. R. Stern | 1980-5-5 | 3580 | Colusa | Southwest of Colusa, at Colusa National Wildlife Refuge; southwest cornerof refuge, north of Ware Road, in dried flats. | Comment | |||
UCD56901 | Plagiobothrys nothofulvus | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3504 | Colusa | BLM Payne Ranch. Entrance to Craig Canyon on west side of Hwy. 16. Ca. 2 road miles south of junction of Hwy. 16 and Hwy. 20. | 304 | Comment | ||
HSC99265 | Plagiobothrys nothofulvus | D. R. Junell | 1965-4-18 | 20 | Colusa | 2 mi. E on Hwy. 16 from junction with Hwy. 20 | Comment | |||
UCD120895 | Plagiobothrys nothofulvus | David V. Glover | 1960-4-14 | 50 | Colusa | Cache Creek, State Highway 16, 10 miles north of Rumsey. | Comment | |||
JEPS124210 | Plagiobothrys stipitatus | Lowell Ahart | 2015-4-10 | 20006 | Colusa | About 1/2 mile east of Leesville, about 12 miles (air) northwest of Williams. | Comment | |||
RSA10708 | Plagiobothrys stipitatus | C. B. Wolf | 1928-5-8 | 2123 | Colusa | Sacramento Valley. 3 mi. S of Arbuckle | Comment | |||
CHSC107976 | Plagiobothrys stipitatus var. micranthus | B. Castro; Robin Carter, Jessica Boyt | 2011-4-25 | 1857 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; ca I mi southeast of Funks Reservoir and 0.2 mi northeast of Tehama-Colusa Canal. Large +- alkaline vernal pool/marsh. In vernal pool in compacted E-W road track that goes through marsh. | 49 | Comment | ||
HSC48203 | Plagiobothrys stipitatus var. micranthus | Thomas W. Nelson, Jane P. Nelson | 1978-4-29 | 3953 | Colusa | Along Bear Valley Rd., 2.5 mi. from junction with Hwy. 20 | 366 | Comment | ||
OBI6032 | Plagiobothrys stipitatus var. micranthus | Carl B. Wolf | 1928-5-8 | 2123 | Colusa | Sacramento Valley, 3 mi S of Arbuckle | 43 | Comment | ||
POM63664 | Plagiobothrys stipitatus var. micranthus | Roxana S. Ferris | 1917-4-12 | 534 | Colusa | 4 miles east of Williams. | Comment | |||
UCD64508 | Plagiobothrys stipitatus var. micranthus | Craig D. Thomsen | 2000-4-12 | 2096 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UCD64512 | Plagiobothrys stipitatus var. micranthus | Craig D. Thomsen | 2000-4-12 | 2097 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UCD66869 | Plagiobothrys stipitatus var. micranthus | Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth | 2008-6-8 | 5072 | Colusa | BLM Payne Ranch. Lands to the southwest of the intersection of Hwy 16 and Hwy 20. Northwest corner of ranch. Along ridge trail on the border of Lake and Colusa counties. East side of trail around stock pond. | 609 | Comment | ||
CHSC55678 | Plagiobothrys stipitatus var. stipitatus | K. R. Stern | 1980-4-3 | 6623 | Colusa | North central portion of Delevan National Wildlife Refuge. | 45 | Comment | ||
HSC31306 | Plagiobothrys tenellus | Carter Schleicher | 1974-5-4 | 23 | Colusa | 0.75 mi. from T junction of Walker Ridge Rd. and Indian Valley, near Clyde Mine | 854 | Comment | ||
CHSC94420 | Plantago coronopus | Lowell Ahart | 2006-8-9 | 13154 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
UCD58124 | Plantago coronopus | Ellen Dean; PLB 102 Class | 2007-4-29 | 3720 | Colusa | Payne Ranch. West of Hwy. 16. Ca. 2 road miles S of junction of Hwy. 20 and Hwy. 16. Through Craig Canyon. Near 'Roadkill Cafe. | 414 | Comment | ||
SEINET8665579 | Plantago elongata | R. R. Halse | 2010-3-20 | 7828 | Colusa | Williams; by junction of 5th Street and B Street | 25 | Comment | ||
UCD18845 | Plantago elongata | Vernal Pool Team 2001; Carol Witham and Jennifer Buck | 2001-4-30 | 153 | Colusa | 2 mi. south of the town of Colusa along Hwy 20, east of Hwy 20 and the Colusa Airport, Dolan Ranch site, pool # DOL001, UTMs: 10S0587786; 4336302. | Comment | |||
CHSC81283 | Plantago erecta | J. Trizzino | 2001-3-31 | 18 | Colusa | Bear Valley Meadow along east side of Bear Balley Road. | 396 | Comment | ||
POM61338 | Plantago erecta | Roxana S. Ferris | 1917-4-12 | 496 | Colusa | 4 miles east of Williams. | Comment | |||
UCSC009426 | Plantago erecta | Lowell Ahart | 2015-4-10 | 20004 | Colusa | Along the south edge of Leesville Road, about 1/2 mile east of Leesville, about 12 miles (air) northwest of Williams | 445 | Comment | ||
SD147976 | Plantago erecta | L. Coats | 1983-4-24 | 6 | Colusa | In the hills at the south end of Bear Valley, along Bear Valley Road, 6.3 miles south of Bartlett Springs Road. | 487 | Comment | ||
UCD138960 | Platanthera dilatata var. leucostachys | Neil Miller | 1973-6-3 | 96 | Colusa | area south of Snow Mountain, around 7 miles west of Stonyford. Northwestern part of county. | 1219 | Comment | ||
CHSC59768 | Platystemon californicus | Alvin G. Cary | 1975-4-20 | 3 | Colusa | Field on west side of road. Bear Valley Road, 9.6 miles north of State Highway 20. | Comment | |||
CHSC60119 | Platystemon californicus | Bryan Case | 1988-4-9 | 128 | Colusa | Ca 0.3 mi w of jct of hwys 20 and 16, s side of Bear Creek, ca 18 mi sw of Williams. | 321 | Comment | ||
HSC83345 | Platystemon californicus | Robin Brooks | 1975-4-20 | 31 | Colusa | Bear Valley Rd., 8.7 mi. N of State Hwy. 20 | Comment | |||
SD8259 | Platystemon californicus | Brandegee | Apr 1889 | Colusa | Colusa Junction | Comment | ||||
SEINET3124160 | Platystemon californicus | Sandra Wainwright | 1969-4-13 | 1 | Colusa | Bear Valley, 9.5 miles north of State Highway 20 | Comment | |||
UCD164029 | Platystemon californicus | Indya Messier | 2016-4-9 | 3 | Colusa | BLM Bear Creek Ranch (previously Payne Ranch). Lands to the SW of jct of Hwys 16 and 20. Just southwest of corral at junction of 16 and 20. | 324 | Comment | ||
UCD96073 | Platystemon californicus | Clinton C. Shock | 1980-5-3 | 61 | Colusa | Bear Valley, about 12 miles northwest of State Highway 20. | 384 | Comment | ||
CDA34082 | Platystemon californicus | P. Hiatt | 1979-4-26 | Colusa | North end of Bear Valley at Bartlett Springs Road. | 0 | Comment | |||
HSC86821 | Platystemon californicus | Dana J. Lenarz | 1982-3-27 | 3 | Colusa | .5 km W of junction of Hwy. 20 and Hwy. 16, S side of Bear Creek, 29 km SW of Williams | 322 | Comment | ||
SEINET12091628 | Platystemon californicus | C. L. Eddy | 1984-1 | 5 | Colusa | Ca 0.3 mi W of jct of Hwys 20 and 16, S side of Bear Creek, ca 16 m SW of Williams. Wilbur Springs | 322 | Comment | ||
SEINET8794142 | Platystemon californicus | K. Brandegee | 1889-1 | s.n. | Colusa | Colusa Junction [now Cortena]. | Comment | |||
UCD13217 | Platystemon californicus | Steve Daniel | 1986-4-13 | 10 | Colusa | California. Colusa Co. Bear Valley, 7.6 mi No of jct of Bear Valley Rd. and hwy 20. Elev. ca. 1300 ft. | 396 | Comment | ||
UCSB63724 | Platystemon californicus | Devanna, Martin | 1987-4-4 | Colusa | Ca. 0.3 mi w of jct Hwys 20 and 16; S side of Bear Creek; ca. 18 mi sw of Williams; Wilbur Springs Quadrangle; S central border of Sect. 36. T14N, R5W | 321 | Comment | |||
RSA388341 | Platystemon californicus var. californicus | Linda Bell | 1975-4-19 | 40 | Colusa | Bear Valley Road, 1 mile north of State Highway 20 | Comment | |||
CDA11417 | Plectritis ciliosa | G. F. Hrusa, K. van Katwyk | 1995-4-22 | 12138 | Colusa | Inner North Coast Ranges; On S side of Leesville Rd. approx. 3 m. N of Hwy 20. | Comment | |||
UCD66604 | Plectritis ciliosa | Craig D. Thomsen | 2000-5-11 | 2281 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
SEINET5742209 | Plectritis ciliosa | Gene R. Williams | 1961-1 | 27 | Colusa | In Bear Valley, 8.4 miles north of turnoff from State Hwy 20.; Bear Valley | Comment | |||
UCD137585 | Plectritis ciliosa | Gene R. Williams | 1961-3-25 | 27 | Colusa | In Bear Valley, 8.4 miles north of turnoff from State Highway 20. | Comment | |||
UC1018913 | Plectritis ciliosa subsp. ciliosa | S. C. Dyal, A. Carter, E. Crum | 1938-5-7 | 712 a | Colusa | Colusa County | Comment | |||
UC999837 | Plectritis ciliosa subsp. ciliosa | S. C. Dyal, A. Carter, E. Crum | 1938-5-7 | 711 | Colusa | Colusa County | Comment | |||
HSC65997 | Plectritis congesta | D. Boyd, M. Eichelberger, Tim Messick, T. Ranker | 1980-4-20 | 45 | Colusa | Leesville Rd. from Leesville to Williams, 3.8 mi. E of Leesville. | Comment | |||
CDA32826 | Plectritis congesta subsp. brachystemon | P. Hiatt | 1979-4-26 | Colusa | North end of Bear Valley at Bartlett Springs Road. | 0 | Comment | |||
CHSC86875 | Plectritis macrocera | B. Castro | 2003-4-1 | 1410 | Colusa | Vicinity of Sites, hills N of the Sites-Lodoga Rd, and Stone Corral Creek. On cutbank of dirt road which contours along hillside. | 185 | Comment | ||
JEPS16087 | Plectritis macrocera | Rimo Bacigalupi, Arthur Holmgren | 1950-4-26 | 3171 | Colusa | 7.7 mi w of Sites (Grapevine Grade to Lodoga) | Comment | |||
UC999820 | Plectritis macrocera | S. C. Dyal, A. Carter, E. Crum | 1938-5-7 | 698 | Colusa | near Williams | Comment | |||
UCD57103 | Plectritis macrocera | Gordon Harrington; Diana Hickson | 2007-4-7 | 0016 | Colusa | BLM Payne Ranch, SW of intersection of Hwy 16 and Hwy 20, 3/4 mile WNW of Roadkill Cafe. | 470 | Comment | ||
CAS-BOT-BC254889 | Poa bulbosa | M. H. Handley | 1963-5-1 | s.n. | Colusa | NW of Maxwell | 79 | Comment | ||
CDA2384 | Poa bulbosa | M. H. Handley | 1963-5-1 | Colusa | Sites. | 0 | Comment | |||
CHSC100244 | Poa bulbosa | D. Isle | 1988-4-13 | 1509 | Colusa | Mendocino National Forest - North Coast Ranges. Middle Fork Stony Creek Watershed. West of Fouts Springs youth facility; Approx. 1 mile west of current gate on Rd to Bathhouse Trail; East of road and E of Trout Ck Trailhead; Within fenced exclosure burned during 1987 Fouts Fire. | 609 | Comment | ||
UCD160062 | Poa bulbosa | James A. Neilson Jr. | 1975-4-29 | s.n. | Colusa | two miles south of Stonyford. (Exact location unknown. (Elevation and coordinates estimated by label maker.) | 365 | Comment | ||
UCD56898 | Poa bulbosa | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3501 | Colusa | BLM Payne Ranch. On the west side of Hwy. 16. Ca. 2 road miles south of junction of Hwy. 16 and Hwy. 20. | 304 | Comment | ||
SEINET11686444 | Poa bulbosa var. vivipara | S. M. Leary | 1978-1 | 3 | Colusa | N side of Salt Creek, S side of Hwy 20, 11 mi WSW of Williams | 143 | Comment | ||
UCD82444 | Poa howellii | Ellen Dean; G. Harrington, C. Thomsen,Chiao-Yi Cheng,R. Wilmarth | 2009-5-20 | 5661 | Colusa | Walker Ridge. Along Walker Ridge Road, ca. 0.5 road mi N of intersection with road to Indian Valley Reservoir. Parking area, undeveloped roads, flats and slopes on W side of road. | 861 | Comment | ||
JEPS120977 | Poa secunda | Lowell Ahart, John Dittes, Josephine Guardino | 2013-4-26 | 18643 | Colusa | On N side of Hwy 20, just E of Lake County Line, 12.2 air miles ENE of town of Clear Lake, 17.1 air miles W of Williams. | Comment | |||
CAS-BOT-BC236332 | Poa secunda subsp. secunda | Roxana S. Ferris | 1926-4-23 | 6583 | Colusa | Field 2 miles from Stonyford | Comment | |||
CHSC77408 | Poa secunda subsp. secunda | Heidi West; Beth Hendrickson, Natalie Wight | 1999-3-25 | Colusa | Vicinity of Antelope Valley and Sites. | 121 | Comment | |||
UC883695 | Pogogyne douglasii | A. A. Heller | 1916-6-9 | 12387 | Colusa | Coast Range about 2 miles west of Leesville | Comment | |||
UCD66945 | Polanisia dodecandra subsp. trachysperma | Ellen Dean; Davis Botanical Society | 2008-5-31 | 4991 | Colusa | Along Sites - Lodega Road, west of I-5 at Maxwell. | 110 | Comment | ||
UCR281725 | Polanisia dodecandra subsp. trachysperma | David Isle | 2014-7-27 | 2137 | Colusa | Northern California Foothills, north side of Maxwell Road, c. 2 miles west of Sites and 5.8 miles east of summit of Maxwell Grade [Sites-Lodoga Road] | 149 | Comment | ||
CHSC85960 | Polygonum aviculare | Jenny Marr; Caroline Warren | 1998-5-4 | Colusa | Vicinity of Sites, Stone Corral Creek, and Antelope Valley. | 106 | Comment | |||
CAS-BOT-BC413965 | Polygonum aviculare subsp. aviculare | Roxana Stinchfield | 1916-6-17 | 292 | Colusa | Near College City | Comment | |||
CHSC107308 | Polypogon australis | L. P. Janeway; B. Castro | 2011-5-19 | 10282 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; 1.8 km southeast of Funks Reservoir and 0.1 km northeast of Tehama-Colusa Canal. Large +- alkaline vernal pool/marsh. | 49 | Comment | ||
RSA725023 | Polypogon maritimus | L. Ahart | 2006-8-9 | 13171 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 348 | Comment | ||
CHSC107982 | Polypogon monspeliensis | B. Castro; L. Janeway | 2011-4-27 | 1865 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; approximately 1 mi southeast of Funks Reservoir and 800 ft northeast of Tehama-Colusa Canal. Around edges of alkaline flat off northwest corner of large +/- alkaline marsh. | 49 | Comment | ||
CHSC77637 | Polypogon monspeliensis | Heidi West; Caroline Warren, Julie Cunningham, Jenny Marr | 1998-5-27 | Colusa | Vicinity of Antelope Valley, Huffmaster Road, and Sites. | 121 | Comment | |||
JEPS75436 | Polypogon monspeliensis | W. L. Jepson | 1934-5-3 | 16602 | Colusa | n Colusa (Stegeman Sta.) | Comment | |||
RSA725017 | Polypogon monspeliensis | L. Ahart | 2006-8-9 | 13122 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 348 | Comment | ||
JEPS127192 | Polystichum imbricans subsp. curtum | Lowell Ahart, John Dittes, Josephine Guardino | 2016-2-14 | 20721 | Colusa | About 1/2 mile north of Letts Lake, about 1/2 mile south of the large campground, about 13 miles (air) southwest of Stonyford. | Comment | |||
JEPS80814 | Polystichum imbricans subsp. imbricans | L. R. Heckard and J. C. Hickman | 1981-7-31 | 5787 | Colusa | e side Snow Mt. (Fouts Springs Overlook) | 1783 | Comment | ||
CAS-BOT-BC102381 | Populus fremontii | Roxana S. Ferris | 1917-4-17 | 624 | Colusa | Sycamore, Sycamore Slough | Comment | |||
RSA724221 | Populus fremontii | Richard R. Halse | 1988-2-14 | 3536 | Colusa | Along State Hwy 20 where it crosses over Salt Creek at the E end of Salt Canyon. | 100 | Comment | ||
RSA724229 | Populus fremontii | Richard R. Halse | 1988-2-14 | 3537 | Colusa | Along State Hwy 20 where it crosses over Salt Creek at the eastern end of Salt Canyon, 7.9 miles N of its junction with State Hwy 16. | 100 | Comment | ||
HSC86897 | Populus fremontii subsp. fremontii | Anthony J. Desch, Bryon Cariss | 1988-4-17 | 36 | Colusa | Goat Mountain Rd. 7 mi. W from its junction with Stonyford Rd. | Comment | |||
CHSC96689 | Portulaca oleracea | Lowell Ahart | 2006-8-22 | 13232 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
SEINET3892428 | Potamogeton diversifolius | G. Harrington, J. Alderson; E. Bayon; R. Willmarth | 2008-6-8 | 5107 | Colusa | Blm Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Western edge of ranch on ridge above Cache Creek Canyon.; 0 | 511 | Comment | ||
UCD39221 | Potamogeton nodosus | Beecher Crampton | 1963-8-5 | 6870 | Colusa | 1/4 mile E of Cortena. | Comment | |||
RSA666315 | Potentilla drummondii | Barbara Ertter | 1989-7-2 | 8627 | Colusa | Long Glade, a V shaped meadow S of Milk Ranch just W of snow Mt West, about 11 airmiles due W of Stonyford. | 1957 | Comment | ||
UCD35780 | Poterium sanguisorba | Beecher Crampton | 1962-4-17 | 6217 | Colusa | Sycamore. | Comment | |||
UCR19098 | Proboscidea louisianica | John C. Roos | 1948-9-2 | 4024 | Colusa | Sacramento Valley, west of Williams | 40 | Comment | ||
UC914241 | Proboscidea louisianica subsp. louisianica | Verne Grant and Alva Grant | 1946-8-6 | 7842 | Colusa | 4 mi nw Colusa (e Colusa Co.); West Butte Ranch | Comment | |||
UCD122109 | Proboscidea louisianica subsp. louisianica | Rimo Bacigalupi; L R. Heckard | 1951-8-6 | 3471 | Colusa | along road between Sites and Lodoga, 4.6 mi. N.W. of Sites. | Comment | |||
JEPS27877 | Proboscidea lutea | Richard Snow | 1958-8-3 | 671 | Colusa | on road to Leesville near Highway 20 | Comment | |||
UC1299163 | Prunus virginiana var. demissa | Freed W. Hoffman | 1948-6-27 | 2523 | Colusa | 8.5 mi sw of Fauts Springs (western Colusa County); North Coast Ranges | Comment | |||
JEPS110103 | Pseudognaphalium luteoalbum | Lowell Ahart | 2006-8-9 | 13125 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford | 347 | Comment | ||
UCD133714 | Psilocarphus brevissimus | Beecher Crampton | 1953-4-29 | 1146 | Colusa | 3 miles east of Maxwell. | Comment | |||
CAS-BOT-BC361830 | Psilocarphus oregonus | L. R. Abrams | 1928-5-8 | 12589 | Colusa | 2 miles south of Arbuckle | Comment | |||
CHSC107977 | Psilocarphus oregonus | B. Castro; Robin Carter, Jessica Boyt | 2011-4-25 | 1856 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; ca 5 air mi NW of Maxwell, 0.8 mi southeast of Funks Reservoir and 0.3 mi northeast of Tehama-Colusa Canal. Towards north end of vernally moist swale which extends northeast of large +- saline/alkaline wetland/marsh, in drying vernapool bottom. | 49 | Comment | ||
CHSC89836 | Psilocarphus oregonus | B. Castro; L. Janeway, S. Innecken | 2001-5-9 | 1251 | Colusa | Vicinity of Grapevine Creek, Antelope Creek, and Pence Mtn. Near dirt road paralleling N-S-trending perennial creek. | 367 | Comment | ||
CHSC115394 | Psilocarphus tenellus | Lowell Ahart | 2015-4-10 | 20007 | Colusa | Along the south edge of Leesville Road, about 1/2 mile east of Leesville, about 12 miles (air) northwest of Williams. | 445 | Comment | ||
JEPS124212 | Psilocarphus tenellus | Lowell Ahart | 2015-4-10 | 20007 | Colusa | About 1/2 mile east of Leesville, about 12 miles (air) northwest of Williams. | Comment | |||
JEPS40463 | Psilocarphus tenellus | W. L. Jepson | 1932-5-7 | 16267 | Colusa | Indian Valley Indian Valley (w Colusa County) | 518 | Comment | ||
UC1613326 | Psilocarphus tenellus | Charles M. Belshaw | 1937-4-1 | 2871 | Colusa | vicinity Cook's Spring (Devil's Ridge); Inner N. Coast Range, Devil's Ridge | Comment | |||
UCR198137 | Psilocarphus tenellus | Ellen Dean, PLB 102 Class | 2007-4-29 | 3721 | Colusa | BLM Payne Ranch, west of Hwy 16, c. 2 road mi south of junction of Hwy 20 and Hwy 16 through Craig Canyon, near 'Roadkill Cafe' | 415 | Comment | ||
CHSC80346 | Psilocarphus tenellus var. tenellus | Caroline Warren; Joyce Lacey-Rickert | 1998-5-8 | Colusa | Vicinity of Sites and Antelope Creek. | 91 | Comment | |||
CHSC86029 | Psilocarphus tenellus var. tenellus | Jenny Marr; H. West, J. Lacey, C. Warren, N. Wight | 1998-4-14 | Colusa | Vicinity of Grapevine Creek, Antelope Valley, and Sites-Lodoga Road. | 121 | Comment | |||
JEPS80462 | Pteridium aquilinum var. pubescens | Alice Q. Howard | 1972-7-10 | 3 | Colusa | trail from Fouts Camp to Box Springs (n side of ridge separating Trout and Paradise Creeks); Snow Mt | 1676 | Comment | ||
CHSC80413 | Pterostegia drymarioides | Caroline Warren; Jenny Marr | 1998-5-4 | Colusa | Viciniy of Sites and Stone Corral Creek. | 91 | Comment | |||
JEPS80430 | Purshia tridentata var. tridentata | L. R. Heckard | 1974-9-9 | 3840 A | Colusa | trail up from Summit Springs; Snow Mt. | 1859 | Comment | ||
JEPS80463 | Pyrola aphylla | Alice Q. Howard | 1972-7-10 | 8 B | Colusa | Crossing trail from Fouts Camp to Box Springs, the highest of the two such areas on the north side of the ridge separating Trout and Paradise Creek. Snow Mountain | 1676 | Comment | ||
UCD117828 | Pyrola aphylla | M. Vincent | 1968-6-6 | 789 | Colusa | On road to Stony Ford from Goat Mt. 2 4/10 miles west of Old Mills Campground. | Comment | |||
JEPS75762 | Quercus | L. R. Heckard, and R. Bacigalupi | 1976-9-6 | 4451 | Colusa | Fouts Camp-Summit Spring trail Snow Mt. | 1584 | Comment | ||
UCD84511 | Quercus berberidifolia | Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk | 2010-6-2 | 6062 | Colusa | Colusa County. On Lake County border. Walker Ridge. Along Walker Ridge Road, between Cold Spring and Buck Flat. | 971 | Comment | ||
CDA15555 | Quercus chrysolepis var. nana | G. F. Hrusa | 1998-11-7 | 14906 | Colusa | North Coast Ranges; above Fouts Springs. Trough Springs Rd. mi. 2.7. | Comment | |||
CAS-BOT-BC86602 | Quercus douglasii | Roxana Stinchfield | 1916-6-18 | 302 | Colusa | near College City | Comment | |||
UCD45981 | Quercus durata | D. Sanchez-Mata | 1996-7-3 | s.n. | Colusa | Williams. Walker Ridge. Wilburg Springs-Wintun Camp. Serpentine chaparral. | 850 | Comment | ||
UCD57325 | Quercus durata | Amy Whitcomb | 2007-3-25 | 1 | Colusa | BLM Payne Ranch. Destinella Flat area, just E of the Lake County border, ca. 3.4 road miles along Hwy 20 from the junction of Hwy 16 and Hwy 20. South side of Hwy 20. | 563 | Comment | ||
JEPS75761 | Quercus garryana var. breweri | L. R. Heckard, and R. Bacigalupi | 1976-9-6 | 4450 | Colusa | Fouts Camp-Summit Spring trail Snow Mt. | 1615 | Comment | ||
JEPS82547 | Quercus garryana var. breweri | L. R. Heckard | 1983-7-27 | 6112 | Colusa | s flank Snow Mt. (slopes around Summit Springs) | Comment | |||
CDA16104 | Quercus garryana var. garryana | G. F. Hrusa, Dmitri Geltman (LE) | 1999-8-18 | 15249 | Colusa | North Coast Ranges; Goat Mtn. | 1706 | Comment | ||
CAS-BOT-BC61587 | Quercus lobata | Roxana S. Ferris | 1917-4-17 | 630 | Colusa | Sycamore Slough, near Sycamore | Comment | |||
UCD57625 | Quercus lobata | Michele Lanctot; with Plant Biology 102 | 2007-4-29 | 1 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Central part of ranch. Thompson Canyon. North side of Thompson Creek. | 356 | Comment | ||
SD225831 | Quercus palmeri | Roger Raiche | 1990-12-2 | Colusa | Across Suphur Creek from Wilbur Springs; | Comment | ||||
SFV17753 | Quercus palmeri | R. Raiche | 1990-12-2 | s. n. | Colusa | Acoss Sulphur Creek from Wilber Springs. | Comment | |||
UCD14524 | Quercus palmeri | Roger Raiche | 1990-12-2 | A | Colusa | California, Colusa Co.; across Sulphur Creek from Wilbur Springs; | Comment | |||
CAS-BOT-BC104659 | Quercus wislizeni | L. Blackford; S. Branch; D. Malm | 1988-4-16 | 63 | Colusa | 13.8 miles of Hwy. 20 on Walker Ridge Road | 975 | Comment | ||
CAS-BOT-BC234979 | Quercus wislizeni var. frutescens | Ellen Dean; C. Thomsen; G. Harrington; R. Wilmarth; R. Wenk | 2010-6-2 | 6064 | Colusa | On Lake County border. Walker Ridge. Along Walker Ridge Road, between Cold Spring and Buck Flat | 971 | Comment | ||
CHSC33068 | Rafinesquia californica | Thomas Nelson; Jane Nelson | 1978-4-29 | 3926 | Colusa | Along Bear Valley Rd. ca. 2 miles from junction with State Route 20. | 365 | Comment | ||
UC768665 | Rafinesquia californica | R. F. Hoover | 1938-4-24 | 3211 | Colusa | Upper Sand Creek | Comment | |||
JEPS80085 | Ranunculus alismifolius | L. R. Heckard with J. Hickman | 1979-6-16 | 5092 | Colusa | about 1/2 mi s Milk Ranch (nw of West Peak, Snow Mt.) | 2011 | Comment | ||
JEPS81342 | Ranunculus alismifolius var. alismifolius | L. R. Heckard and J. C. Hickman | 1982-7-7 | 5955 | Colusa | just n West Ridge Pass (along Cedar Camp-Milk Ranch Trail, pass is nw of West Peak); Snow Mt. | 2011 | Comment | ||
UC1049533 | Ranunculus canus | Rimo Bacigalupi | 1950-4-16 | 3125 | Colusa | about B.M. 1326 (along road down middle of valley, along creek); Bear Valley, Bear Creek | Comment | |||
UCD163869 | Ranunculus canus | Craig D. Thomsen | 2000-3-31 | 2078 a | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way on south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection. | 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 | ||
SEINET4208857 | Ranunculus hebecarpus | Richard R. Halse | 2013-3-26 | 8739 | Colusa | Along the Leesville Road ca. 5.6 miles northwest of its junction with Stat Hwy. 20, west of Williams.; 0 | 157 | Comment | ||
UC72903 | Ranunculus hebecarpus | Miss M. Alice King | 1905-1 | Colusa | near College City; Sacramento Valley | Comment | ||||
UCD169733 | Ranunculus hebecarpus | Richard R. Halse | 2013-3-26 | 8739 | Colusa | Along the Leesville Road ca. 5.6 miles northwest of its junction with State Hwy. 20, west of Williams. | 157 | Comment | ||
SEINET12091630 | Ranunculus hebecarpus | C. L. Eddy | 1984-1 | 3 | Colusa | Salt Canyon, n side of Salt Creek, Hwy 20, 11 mi wsw of Williams. Wilbur Springs Quadrangle, 15 | 143 | Comment | ||
UCD56912 | Ranunculus occidentalis | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3515 | Colusa | BLM Payne Ranch. Southwest of intersection of Hwy. 16 and Hwy. 20. In Craig Canyon. | 318 | Comment | ||
UCD82500 | Ranunculus occidentalis | Craig Thomsen; G. Harrington | 2009-5-12 | 2859 | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. | 707 | Comment | ||
RSA268199 | Ranunculus occidentalis var. eisenii | Lyman Benson | 1935-3-27 | 6327 | Colusa | 3 miles E of Lake County line Inner N coast, Sacramento River, Ukiah-Tahoe | 610 | Comment | ||
UCD97058 | Ranunculus orthorhynchus var. bloomeri | G. Thomas Robbins; S. Galen Smith | 1950-4-15 | 1907 | Colusa | Bear Valley. | Comment | |||
UCD97060 | Ranunculus orthorhynchus var. bloomeri | Clinton C. Shock | 1980-5-3 | 62 | Colusa | Bear Valley, ca. 12 miles north west of State Highway 20. | 384 | Comment | ||
JEPS81335 | Rhamnus californica subsp. californica | L. R. Heckard, and J. C. Hickman | 1982-7-6 | 5949 | Colusa | s side Snow Mt. (West Peak ridge); , West Peak | 2103 | Comment | ||
UC71642 | Rhamnus ilicifolia | Miss Alice King | 1905-1 | Colusa | College City | Comment | ||||
UCD57449 | Rhamnus ilicifolia | Gina Darin; with Plant Biology 102 | 2007-4-29 | 5 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Central part of ranch. Thompson Canyon. Along trail, north side of Thompson Creek. | 373 | Comment | ||
RSA289466 | Rhamnus tomentella subsp. crassifolia | Edward Lee, C. M. Belshaw | 1936-12-13 | 2612 | Colusa | Stonyford - Lodoga Road | Comment | |||
POM136497 | Rhamnus tomentella subsp. tomentella | Roxana Stinchfield | 1916-7-10 | 478 | Colusa | In Oak grove Phillips Ranch | Comment | |||
CDA21471 | Rhododendron occidentale | G. F. Hrusa | 1989-5-7 | 6083 | Colusa | North Coast Ranges; N side of Little Stony Creek, approx. 3.7 miles upstream from intersection of Cedar Mtn. Rd. and Stonyford-Lodoga Rd. | Comment | |||
JEPS95999 | Rhododendron occidentale | Vernon H. Oswald and L. Ahart | 1999-6-22 | 9788 | Colusa | 2.2 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek: T17N R6W Sect. 30, ca. 1400 ft, chaparral, serpentine substrate. Shrub on the rocky bank of Little Stony Creek. | 426 | Comment | ||
UCD111678 | Rhododendron occidentale | Christopher Mallek | 2008-1 | s.n. | Colusa | Frenzel Creek. | 654 | Comment | ||
HSC63082 | Rhus aromatica | David Wheeler | 1979-4-14 | 63 | Colusa | Buck Flat, Walker Ridge, on the way to Barrel Springs. | 884 | Comment | ||
UCD15256 | Rhus diversiloba | R. A. Harris | 1974-5-5 | 051 | Colusa | Robberts Flat, off of Bartlett Springs road. | 487 | Comment | ||
RSA403713 | Rhus trilobata var. quinata | Michelle Stevens | 1979-4-14 | 30 | Colusa | Bear Valley Road, 3.9 miles north of State Route 20 | 412 | Comment | ||
HSC44275 | Ribes malvaceum | Barbara Kelly | 362 | Colusa | 1 mi.. from intersection of Bartlett Springs Rd. and Grapevine Spring Rd. on Walker Ridge Rd. | Comment | ||||
UCD102432 | Ribes quercetorum | Mr. A. Jones | 1934-2-11 | s.n. | Colusa | Above Williams. | Comment | |||
UCD119994 | Ribes quercetorum | Ellen Dean; G. Harrington, J. Alderson | 2011-12-30 | 7270 | Colusa | N side of Hwy 20 and Salt Creek Canyon between Hwy 16 and the Central Valley. Bear Valley Ranch property. Top of small canyon. | 306 | Comment | ||
UCD97117 | Ribes quercetorum | Ellen Dean; G. Harrington, J. Alderson | 2011-4-10 | 6900 | Colusa | Along Bear Valley Rd on west and east sides of road. | 355 | Comment | ||
UC1051741 | Ribes roezlii | Helen K. Sharsmith | 1953-6-20 | 4297 | Colusa | n slope Goat Mountain; Inner North Coast Ranges, Mendocino National Forest | 1828 | Comment | ||
UCR246379 | Ribes roezlii | Mona Bourell | 1997-3-29 | 5770 | Colusa | Mendocino National Forest, Dixie Glade Campground | 918 | Comment | ||
CAS-BOT-BC173956 | Ribes viscosissimum | Volney Rattan | 1884-6-1 | s.n. | Colusa | Black Butte. Coast Mts. North of San Francisco Bay | Comment | |||
CAS-BOT-BC173957 | Ribes viscosissimum | Volney Rattan | 1884-6-1 | s.n. | Colusa | Black Butte. Coast Mts. North of San Francisco Bay | Comment | |||
CHSC27584 | Rigiopappus leptocladus | Timothy Spira; Robert Schlising | 1978-5-13 | 3238 | Colusa | Just E of Lake County line, along Hwy 20. | Comment | |||
UC638693 | Rigiopappus leptocladus | Ethel Crum | 1938-5-7 | 2012 | Colusa | 4.2 mi n Rumsey (Comanche Hills, summit of ridge); Inner North Coast Range, summit of ridge, Comanche Hills | 254 | Comment | ||
UCD67038 | Rigiopappus leptocladus | Ellen Dean; Davis Botanical Society | 2008-5-31 | 5018 | Colusa | west of I-5 at Maxwell, Goat Mountain, ridge below summit off of Goat Mountain Road. | 1734 | Comment | ||
UCR212316 | Rigiopappus leptocladus | Craig D. Thomsen | 2000-4-12 | 2131 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mi west of Hwy 20/16 intersection, milepost 3.00 | 310 | Comment | ||
CDA8541 | Rigiopappus leptocladus | T. C. Fuller | 1958-5-27 | 3668 | Colusa | South of Highway 20, 1 mile west of junction with Highway 16. | 0 | Comment | ||
JEPS80215 | Rorippa nasturtium-aquaticum | L. R. Heckard and J. Hickman | 1980-7-3 | 5371 | Colusa | Summit Springs sw slope Snow Mt., Summit Springs | 1554 | Comment | ||
JEPS106501 | Rosa californica | L. P. Janeway, B. Castro | 2001-6-3 | 7097 | Colusa | Inner North Coast Ranges. Spring at Grapevine Flat, on top of Walker Ridge about 0.8 km east of Baldy Mountain | 884 | Comment | ||
UC1051701 | Rosa californica | Helen K. Sharsmith | 1953-6-21 | 4309 | Colusa | near Stoneyford; Inner North Coast Ranges, Big Stoney Creek | 518 | Comment | ||
UCR201553 | Rosa californica | George K. Helmkamp, E. A. Helmkamp | 2008-10-14 | 14262 | Colusa | Sacramento Valley, along River Road (generally following the Sacramento River), 1.1 miles north of Colusa | 18 | Comment | ||
JEPS80273 | Rumex acetosella | L. R. Heckard, and J. Hickman | 1980-9-16 | 5456 A | Colusa | ne slope West Peak (cirque area between peaks Snow Mt.); Snow Mt. | 2011 | Comment | ||
CHSC29731 | Rumex obtusifolius | K. R. Stern | 1980-5-5 | 6625 | Colusa | Vernal pool, south central border area of Colusa National Wildlife Refuge. | 45 | Comment | ||
JEPS113057 | Saccharum ravennae | Gordon Leppig | 2001-9-13 | 1610 | Colusa | Rt. 16. Mile marker 4.7-4.58. Bear Creek Gravel bar. | Comment | |||
CHSC79011 | Sagina apetala | J. Marr; C. Warren, H. West, N. Wight | 1998-4-14 | Colusa | West of Maxwell, vicinity of Antelope Valley and Grapevine Creek. | 121 | Comment | |||
CHSC77928 | Sagina decumbens subsp. occidentalis | Beth Hendrickson; Jean Witzman | 1999-4-22 | Colusa | Vicinity of Antelope Valley and Sites. | 152 | Comment | |||
UC1178890 | Sagittaria latifolia | Herbert L. Mason | 1945-9-19 | 12713 | Colusa | 1 mi n Colusa (on e side, Marshy bank of the Sacramento River); bank of the Sacramento River | Comment | |||
UCD138041 | Sagittaria latifolia | Herbert L. Mason | 1945-9-19 | 12713 | Colusa | Sacramento river, 1 mile north of Colusa on east side, below causeway. | Comment | |||
UCD138036 | Sagittaria montevidensis subsp. calycina | Herbert L. Mason; Verne Grant | 1946-8-7 | 12981 | Colusa | 8 miles north of Colusa. | Comment | |||
UCD138042 | Sagittaria montevidensis subsp. calycina | June McCaskill; W. A. Harvey | 1954-8-9 | 366 | Colusa | Grimes - Knights Landing Highway, ca. 3 miles south of Grimes. | Comment | |||
CHSC78975 | Salicornia subterminalis | Vernon H. Oswald; Joseph G. Silveira | 2000-10-12 | 9979 | Colusa | Colusa National Wildlife Refuge. On the west side of Powell Slough 0.25 mi south-southwest of Refuge Headquarters. | 15 | Comment | ||
CHSC78976 | Salicornia virginica | Vernon H. Oswald; Joseph G. Silveira | 2000-9-29 | 9972 | Colusa | Delevan National Wildlife Refuge. | 15 | Comment | ||
JEPS98320 | Salicornia virginica | Vernon H. Oswald and Joseph G. Silveira | 2000-9-29 | 9972 | Colusa | Delevan National Wildlife Refuge | 15 | Comment | ||
CAS-BOT-BC102858 | Salix breweri | C. Hart Merriam | 1907-7-23 | s.n. | Colusa | Cook Springs | Comment | |||
CHSC62849 | Salix breweri | Vernon H. Oswald; Lowell Ahart | 1994-3-23 | 6016 | Colusa | Frenzel Creek Research Natural Area on the S side of Little Stony Creek, in the section of the E side of Frenzel Creek, S of Stonyford. | 518 | Comment | ||
CHSC70904 | Salix breweri | Vernon H. Oswald; Lowell Ahart | 1998-4-21 | 8944 | Colusa | Stonyford-Lodoga Rd. 3.7 mi south of Stonyford. | 384 | Comment | ||
HSC71301 | Salix breweri | Thomas W. Nelson, Jane Nelson | 1979-4-12 | 4525 | Colusa | Along Stony Creek below Digger Pine Campground | Comment | |||
JEPS95648 | Salix breweri | Vernon H. Oswald and L. Ahart | 1999-6-22 | 9786 | Colusa | 1.5 mi west of Stonyford-Lodoga Road on County Road 42 paralleling Little Stony Creek: T17N R6W Sect. 29, ca. 1400 ft, 1180 ft, chaparral, serpentine substrate. Abundant shrubby willow on the rocky bank of Little Stony Creek. | 426 | Comment | ||
UCD162977 | Salix breweri | Jack Major | 1963-5-4 | s.n. | Colusa | In stream, west of Bear Valley on Bartlett Springs Road. (Exact location unknown. Coordinates estimated by label maker.) | 518 | Comment | ||
UCD55470 | Salix breweri | Ellen Dean; Gordon Harrington | 2006-10-6 | 3294 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Ranch can be accessed via north gate which is located on a road on the S side of State Route 20, 2.3 road miles W of jct of State Routes 16 and 20. In Thompson Canyon, along dirt road that parallels ephemeral drainage. | 362 | Comment | ||
UCD163863 | Salix exigua | Craig D. Thomsen | 2001-5-31 | 2548 | Colusa | Bear Creek Canyon south of Sulphur Creek confluence. About 3 miles north of Hwy 20. | Comment | |||
UCD56932 | Salix exigua | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3534 a | Colusa | BLM Payne Ranch. Southwest of intersection of Hwy. 16 and Hwy. 20. Thompson Canyon. | 344 | Comment | ||
CAS-BOT-BC107838 | Salix gooddingii | Roxana Stinchfield | 1916-7-7 | 397 | Colusa | Sycamore slough near Sycamore | Comment | |||
CAS-BOT-BC107841 | Salix gooddingii | Alice Eastwood | 1921-4-11 | 10237 | Colusa | Bear Valley 7.3 miles north of junction with California State Highway 20 along Bear Valley Road | Comment | |||
CAS-BOT-BC104037 | Salix hindsiana | Roxana S. Ferris | 1917-4-17 | 619 | Colusa | Sycamore Slough | Comment | |||
UCD164152 | Salix laevigata | Craig Thomsen | 1999-4-27 | 2002 | Colusa | Bear Creek Canyon. About 5 miles north of Hwy 20, 0.25 mile south of Wilbur Bridge. | 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 | ||
CDA12798 | Salix lasiolepis | G. F. Hrusa | 1996-2-26 | 12633 | Colusa | Serpentine Flora of California; Margin of Little Stony Creek approx. 2 m. beyond intersection of Goat Mtn. Rd. and Stonyford-Lodoga Rd. | Comment | |||
CDA12801 | Salix lasiolepis | G. F. Hrusa | 1996-2-26 | 12636 | Colusa | Serpentine Flora of California; Little Stony Creek. Goat Mtn. Rd. approx. 3 miles SW of intersection with Stonyford-Lodoga Rd. | Comment | |||
JEPS86636 | Salix lasiolepis | L. R. Heckard with P. C. Silva, R. L. and M. Moe | 1988-6-18 | 6686 | Colusa | sw flank Snow Mt. (n side of West Peak) | 2000 | Comment | ||
JEPS95541 | Salix lasiolepis | Vernon H. Oswald and Lowell Ahart | 1994-3-23 | 6016 | Colusa | s side Little Stony Creek (in section on e side of Frenzel Creek, s of Stonyford); Frenzel Creek Research Natural Area | 518 | Comment | ||
CHSC112002 | Salix lasiolepis | David Isle; David Toren | 2003-6-24 | 2128 | Colusa | NE border of Veratrum spring and mdw, 1/4 mi E of Goat Mtn Rd 16N03 jct w/Horse Glade rd; (with flowing water). | 1670 | Comment | ||
CHSC101507 | Salsola australis | P. Akers | 2003-10-7 | Colusa | North of Maxwell on frontage road east of Hwy 5, west of RR tracks, 1.8 mi north of Delevan Rd. | Comment | ||||
CHSC108062 | Salsola soda | B. Castro; Dave Boegner | 2011-9-1 | 1913 | Colusa | Sacramento Valley. Larkins Childrens Rancho. 10 air mi NW of Colusa, 3 mi W of the Sacramento River and 800 ft N of the northern boundary of Delevan NWR. Near where Hunters and Logan Creeks empty into the Colusa Basin Drain. Uncommon along outer western edge of managed +- saline wetland of Gunnersfeld Ranch duck hunting club. | 17 | Comment | ||
CHSC27550 | Salvia columbariae | Scott E. Patton | 1978-4-9 | 7 | Colusa | Salt Canyon, n side of Salt Creek, Hwy 20, 11 m wsw of Williams. | 143 | Comment | ||
HSC45671 | Salvia columbariae | Stephen Plant | 1978-4-22 | 206 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
UCD80819 | Salvia columbariae | Ellen Dean, G. Harrington; K. Mawdsley, C. Thomsen, G. Walden, E. McDermott | 2009-3-18 | 5275 | Colusa | BLM Bear Creek (Payne) Ranch, lands to the SW of the jct of Hwys 20 and 16. SW-facing slope above Lynch Canyon on east side of canyon. | 517 | Comment | ||
CHSC81212 | Sanicula bipinnatifida | J. Trizzino | 2001-3-31 | 15 | Colusa | Bear Valley Meadow along east side of Bear Valley Road. | 396 | Comment | ||
CAS-BOT-BC223209 | Sanicula bipinnatifida | Roxana S. Ferris | 1926-4-23 | 6421 | Colusa | Williams - Stonyford Road | Comment | |||
CDA34108 | Sanicula bipinnatifida | P. Hiatt | 1979-4-26 | Colusa | North end of Bear Valley at Bartlett Springs Road. | 0 | Comment | |||
POM174565 | Sanicula bipinnatifida | Roxana S. Ferris | 1926-4-23 | 6421 | Colusa | On grade, Williams- Stonyford Road | Comment | |||
JEPS73498 | Sanicula graveolens | L. R. Heckard | 1972-7-10 | 3116 | Colusa | near Trout Creek crossing of trail to Box Springs (Snow Mountain); Snow Mountain | 1828 | Comment | ||
UCD82861 | Sanicula tuberosa | Gordon Harrington | 2008-4-13 | 72 | Colusa | BLM Payne Ranch. Slopes to the SW of junction of Hwy 16 and Hwy 20. E of unnamed creek (flowing now). | 385 | Comment | ||
SEINET13945258 | Sanicula tuberosa | J. L. Hobson | 1974-1 | 58 | Colusa | 0.75 mi. from the junction to Indian Valley on Walker Ridge Rd. Elev. 2800', Wilbur Springs Quad. T14N R6W SEC12 | 853 | Comment | ||
HSC45685 | Scandix pecten-veneris | Patricia Shesgreen | 1978-4-22 | 39 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
CAS-BOT-BC111366 | Schoenoplectus acutus var. occidentalis | Roxana Judkins [later Mrs. Ferris q.v.] Stinchfield | 1916-7-11 | 470 | Colusa | Davis Tule near Sucamore Slough | Comment | |||
CHSC75646 | Schoenoplectus pungens | Vernon H. Oswald | 1999-6-22 | 9772 | Colusa | Fouts Springs Rd. (M10) 6.7 mi west of Stonyford-Elk Creek Rd. | 597 | Comment | ||
UCD72538 | Schoenoplectus pungens | Ellen Dean; J. Alderson, N. Voegtly, and C. Thomsen | 2007-5-12 | 3829 | 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. | 251 | Comment | ||
JEPS110449 | Scirpus acutus var. occidentalis | Lowell Ahart | 2006-8-22 | 13214 | Colusa | South side of Stony Creek, about 100 yards W of the bridge across Stony Creek, just N of Stonyford. | 349 | Comment | ||
UC1100677 | Scirpus acutus var. occidentalis | Herbert L. Mason, Verne Grant | 1946-8-7 | 12987 | Colusa | eight mi n Colusa (Butte Sink); , n of Colusa | Comment | |||
UC1100872 | Scirpus americanus | Herbert L. Mason, Verne Grant | 1946-9-5 | 13114 | Colusa | Road to Lake County 1.6 mi w Williams; w of Williams | Comment | |||
UC1100923 | Scirpus maritimus | Herbert L. Mason, Verne Grant | 1946-8-6 | 12965 -A | Colusa | four mi s Colusa (w side Sacramento River, pond on Colusa-Marysville Highway); w side Sacramento River, s of Colusa | Comment | |||
CHSC62952 | Scribneria bolanderi | Vernon H. Oswald; Lowell Ahart | 1994-4-6 | 6059 | Colusa | Goat Mtn. Rd. 0.8 mi SW of Digger Pine Flat, S of Stonyford. Flat bordering the road. | 481 | Comment | ||
UC769882 | Scribneria bolanderi | R. F. Hoover | 3207 | Colusa | Upper Sand Creek | Comment | ||||
RSA589943 | Scrophularia californica | Michael A. Vincent, Robert M. Rhode | 1996-3-30 | 7278 | Colusa | Along Bear Valley Rd. above Bear Creek, 1.4 mi. S jct. Wilbur Springs Rd. | Comment | |||
UC71646 | Scrophularia californica | Miss Alice King | 1905-1 | Colusa | College City | Comment | ||||
UCD82729 | Scutellaria | Craig Thomsen; G. Harrington | 2009-5-14 | 2910 b | Colusa | Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs. | 813 | Comment | ||
JEPS80261 | Scutellaria californica | L. R. Heckard and J. Hickman | 1980-9-15 | 5441 | Colusa | n of road at Summit Springs; Snow Mountain, Summit Springs | 1524 | Comment | ||
JEPS80801 | Scutellaria californica | L. R. Heckard and J. C. Hickman | 1981-7-30 | 5772 | Colusa | heading up East Ridge of Snow Mountain, West Peak | 1950 | Comment | ||
JEPS95817 | Scutellaria californica | Vernon H. Oswald and L. Ahart | 1999-6-22 | 9775 | Colusa | West of Stonyford on Fouts Springs Rd. (M10) 0.5 mi east of Dixie Glade Picnic Area: T17N R8W Sect. 12, ca. 3200 ft, mixed coniferous forest, serpentine substrate | 975 | Comment | ||
UC1562602 | Scutellaria californica | Barbara Ertter | 1989-7-1 | 8617 | Colusa | 12 air mi wsw of Stonyford (road to Goat Mountain Lookout, 0.4 mi s of Rt M-10 (Bear Creek-Fouts Spring Rd) at head of South Fork Stony Creek); South Fork Stony Creek | 1371 | Comment | ||
UCD66954 | Scutellaria californica | Ellen Dean; Davis Botanical Society | 2008-5-31 | 4998 | Colusa | west of I-5 at Maxwell, along Goat Mountain Road following Little Stoney Creek, Little Stoney Creek Canyon. | 414 | Comment | ||
UCD81706 | Scutellaria californica | Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia | 2009-5-27 | 5714 | Colusa | Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road. | 833 | Comment | ||
UCR225654 | Scutellaria californica | Craig D. Thomsen, Gordon Harrington | 2008-7-6 | 2770 | Colusa | BLM Payne Ranch, lands to the southwest of the junction of Hwys 20 and 16. Western edge of ranch, near ridge trail that follows the border of Colusa/Lake Counties. Dunsfield Flat stock pond | 610 | Comment | ||
UCD57835 | Scutellaria siphocampyloides | Gordon Harrington; Diana Hickson, Jack Alderson | 2007-4-29 | 39 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Along Thompson Creek, upstream (going roughly west) from Road Kill Cafe, about 1/2 mile upstream from the breached dam. | 398 | Comment | ||
CHSC117779 | Scutellaria siphocampyloides | David Isle; Terril Wolt | 2016-6-16 | 2165 | Colusa | North Coast Range:~3/4 mile NE of Fotus Springs and ~1/4 mile west of Davis Flat on S bank of serpentine rivulet. Fouts Springs, California. | 499 | Comment | ||
CHSC101618 | Scutellaria tuberosa | David W. Isle; Teal Richards | 2002-4-18 | 1651 | Colusa | Mendocino National Forest. N of Fouts Springs, S of Chlorinator Building on road to Bathhouse Trail (Snow Mountain). SE aspect drainage in chamise chamassal site burned during 8/8/01 Trough Fire. Teal Richards-DI Reveg. Study Plot. MDB and M. | 524 | Comment | ||
UCD163697 | Secale cereale | Craig Thomsen | 1999-5-10 | 2003 | Colusa | Bear Valley. About 8 miles north of Hwy 20. | Comment | |||
CAS-BOT-BC417046 | Sedella pentandra | Herbert L. Mason | 1953-5-4 | s.n. | Colusa | Little Stony Creek road 0.25 miles above junction of Little Stony Creek and Trout Creek,Inner North Coast Ranges | 609 | Comment | ||
RSA114112 | Sedella pentandra | H. L. Mason | 1953-5-4 | s.n. | Colusa | Little Stony Creek Road 0.25 miles above junction of Little Stony Creek and Trout Creek, Inner North Coast Ranges. | 610 | Comment | ||
UCD82734 | Senecio aronicoides | Craig Thomsen; G. Harrington | 2009-5-14 | 2915 | Colusa | Colusa County on Walker Ridge: about 200 yds. south of spur road, 1/2 mile east of Walker Ridge Road, en route to Eaton Springs. | 762 | Comment | ||
CHSC94415 | Senecio sylvaticus | Lowell Ahart | 2006-8-9 | 13158 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
CHSC6689 | Senecio vulgaris | Marilyn Lee | 1968-3-30 | 119 | Colusa | North side of Hwy. 16 at junction of Hwy. 16 and Hwy. 20. Between Hwy. 16 and Cache Creek. | Comment | |||
SEINET3876301 | Sequoia sempervirens | James H. Smith | 1976-1 | s.n. | Colusa | Williams.; 0 | Comment | |||
UCD92837 | Setaria viridis | Beecher Crampton | 1958-6-26 | 4974 | Colusa | along Grieve Road, 5.5 miles south of College City. | Comment | |||
UC71652 | Sidalcea diploscypha | Miss Alice King | 1905-1 | Colusa | College City | Comment | ||||
UC725658 | Sidalcea diploscypha | A. A. Heller | 1942-5-29 | 16480 | Colusa | along State Highway #20, 1/2 mi w of the junction with Highway #16 | Comment | |||
UCD23423 | Sidalcea diploscypha | David Rhode | 1977-4-30 | 22 | Colusa | Bear Valley, 2.1 miles north of Wilbur Springs. Dry gravel, west facing slope in sparse valley grassland pasture. | Comment | |||
JEPS50051 | Sidalcea hartwegii | W. L. Jepson | 1932-5-8 | 16278 | Colusa | Lodoga Lodoga (w Colusa Co.) | Comment | |||
RSA756334 | Sidalcea keckii | David Gowen | 2008-5-24 | 921 | Colusa | Stoneyford Ladoga Road, about 1.6 miles south of Stoneyford. | Comment | |||
JEPS75730 | Sidalcea oregana subsp. hydrophila | L. R. Heckard | 1974-9-9 | 3868 | Colusa | just ne of rocky promontory se Foutch Camp; Snow Mt., se of Foutch Camp | 1798 | Comment | ||
JEPS75834 | Silene californica | L. R. Heckard | 1974-9-11 | 3950 | Colusa | on Foutch Camp--Box Spring trail just w Trout Creek crossing (Snow Mt.); , w of Trout Creek crossing on Foutch Camp-Box Sprin | 1828 | Comment | ||
UCD111674 | Silene campanulata | Christopher Mallek | 2008-1 | s.n. | Colusa | Frenzel Creek. | 654 | Comment | ||
JEPS86785 | Silene campanulata subsp. campanulata | Craig D. Thompson | 1989-6-3 | 1564 | Colusa | ca 1/2 mi e Cook Springs; e of Cook Springs | Comment | |||
SBBG29886 | Silene laciniata subsp. californica | L. S. Rose | 1936-4-27 | 36179 | Colusa | 11 mi NW of Rumsey | 304 | Comment Read comments Aug 11 2014 |
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UCD146701 | Silene laciniata subsp. californica | G. F. Hrusa | 1998-6-19 | 14603 | Colusa | above upper Little Stony Creek. Goat Mountain Road around 2 km west of campground. | 490 | Comment | ||
UCD98993 | Silene laciniata subsp. californica | Cherry Kline | 1964-5-2 | 51 | Colusa | Bear Creek Canyon, 3 miles north of the Wilbur Springs turnoff on State Highway 20. | Comment | |||
JEPS83163 | Sinapis alba | L. R. Heckard with J. Hickman | 1980-7-3 | 5332 a | Colusa | SW Snow Montain, just W of Summit Springs | 1548 | Comment | ||
RSA249346 | Sinapis arvensis | Thomas W. Nelson | 1972-4-8 | 605 | Colusa | Beside the Bear Valley road ca 2 mi N of Hwy 20. | Comment | |||
CAS-BOT-BC75280 | Sisymbrium officinale | Roxana S. Ferris | 1926-4-21 | 6272 | Colusa | On Sycamore Slough 2 miles west of Sycamore. | Comment | |||
CHSC115383 | Sisymbrium orientale | Lowell Ahart | 2015-4-1 | 19993 | Colusa | Burned over in 2012, rocky serpentine outcrop on the north side of State Highway 20, 1/2 mile east of Lake County Line, 12 miles (air) east-northeast of Clear Lake (town), 17 miles (air) west of Williams. Inner Coast Range. | 520 | Comment | ||
CHSC112272 | Sisyrinchium bellum | Lowell Ahart; John Dittes, Josephine Guardino | 2013-4-26 | 18644 | Colusa | Inner North Coast Range. North side of State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 566 | Comment | ||
CHSC114941 | Sisyrinchium bellum | Lowell Ahart | 2015-4-10 | 20012 | Colusa | In a small meadow, on the south side of Brim Road, about 2 miles west of the intersection of Bear ValleyRoad and Brim Road, about 17 miles (air) west of Williams. Meadow in Chaparral. | 500 | Comment | ||
HSC31401 | Sisyrinchium bellum | Maralyn O'Meara, Gary S. Lester | 1974-5-4 | 349 | Colusa | Walker Ridge Rd., 0.7 mi. from junction with Little Indian Valley Rd. | 854 | Comment | ||
RSA0115083 | Sisyrinchium bellum | Lowell A. Ahart, John Dittes, Josephine Guardino | 2013-4-26 | 18644 | Colusa | On the north side of State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 567 | Comment | ||
CHSC118887 | Sisyrinchium bellum | David Isle; Frank Pendell | 2017-5-17 | 2173 | Colusa | Foothils E edge of N Coast Range: W of Stonyford ~1.5 miles on 18N01.1 to Frank and Sheri Pendell Ranch; in black adobe pasture S of house ~1/8 mile. | 381 | Comment | ||
SBBG128715 | Sisyrinchium bellum | L. Ahart, J. Dittes, J. Guardino | 2013-4-26 | 18644 | Colusa | N side of State Hwy 20, just E of Lake County Line, 12.2 mi ENE of Clear Lake (town), 17.1 mi W of Williams | 566 | Comment | ||
SEINET3887835 | Smilacina racemosa var. amplexicaulis | Barbara Bogert | 1970-5-23 | 16 | Colusa | Bear Valley Road 2.5 miles north of State Highway 20.; 0 | 183 | Comment | ||
CHSC112626 | Solanum americanum | Lowell Ahart | 2013-10-1 | 19082 | Colusa | Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. | 364 | Comment | ||
CHSC114061 | Solanum parishii | Richard R. Halse | 2012-3-29 | 8456 | Colusa | Along State Hwy. 20 ca. 6.8 miles northeast of its junction with State Hwy16 | 176 | Comment | ||
CHSC28810 | Solanum parishii | Laraine Roothoff | 1979-3-31 | 1 | Colusa | Salt Canyon, n side of Salt Creek, Hwy 20, 11 mi wsw of Williams. | 143 | Comment | ||
CHSC57525 | Solanum parishii | Shelly A. Kirn | 1991-4-6 | 12 | Colusa | Salt Canyon, n side of Salt Creek, Hwy 20, 11 mi wsw of Williams. | 143 | Comment | ||
HSC31629 | Solanum parishii | Glenn McGourty | 1974-4-20 | 14 | Colusa | Roadcut of Hwy. 16, 17 mi. E of Esparto | Comment | |||
HSC41848 | Solanum parishii | N. G. Sugihara | 1977-4-24 | 38 | Colusa | Walker Ridge Rd. above Barrel Springs Campground | 701 | Comment | ||
SEINET6185643 | Solanum parishii | R. R. Halse | 2012-3-29 | 8456 | Colusa | Along State HWY 20 about 6.8 miles northeast of its junction with State HWY 16 | 176 | Comment | ||
UCD84438 | Solanum parishii | Ellen Dean; C. Thomsen, G. Harrington, R. Wilmarth, R. Wenk | 2010-6-2 | 6048 | Colusa | Walker Ridge. Along Walker Ridge Road, N of turnoff to Indian Valley Reservoir but S of Til Jones Spring. Many old undeveloped roads here. | 817 | Comment | ||
CDA41194 | Solanum parishii | T. C. Fuller | 1958-5-27 | s.n. | Colusa | Highway 20, 1.5 miles west of junction with Highway 16. | 0 | Comment | ||
CDA6240 | Solanum pseudocapsicum | M. H. Handley | 1961-7-24 | Colusa | 0 | Comment | ||||
UC1733755 | Solanum umbelliferum | Kay H. Beach | 1940-5-16 | 658 | Colusa | Colusa and Lake county line | Comment | |||
CHSC91068 | Solidago velutina subsp. californica | D. Isle | 2002-8-12 | 180 | Colusa | Mendocino National Forest--North Coast Ranges. Middle Fork Stony Creek Watershed. | 585 | Comment | ||
JEPS80224 | Sonchus asper | L. R. Heckard and J. Hickman | 1980-7-3 | 5381 | Colusa | slopes about Summit Springs (sw slope Snow Mt.); sw slope Snow Mt. | 1554 | Comment | ||
CHSC107288 | Sonchus asper subsp. asper | L. P. Janeway; B. Castro | 2011-7-9 | 10511 | Colusa | Sacramento Valley. Extreme west edge of Sacramento Valley; 1.5 km southeast of Funks Reservoir and 0.1-0.6 km northeast of Tehama-Colusa Canal. Just off of the northwest corner of the marsh. | 49 | Comment | ||
CAS-BOT-BC236520 | Sorghum bicolor | Mary L. Bowerman | 1940-1-1 | 3836 | Colusa | Wall Point Trail, Mount Diablo | Comment | |||
POM313124 | Sorghum halepense | H. L. Mason | 1945-9-19 | 12723 | Colusa | Below caus[e]way over Butte Sink spillway, East bank of Sacramento River, 1 mile north of Colusa. | Comment | |||
UC1100454 | Sorghum halepense | Herbert L. Mason | 1945-9-10 | 12723 | Colusa | 1 mi. n. Colusa (below causeway over Butte Sink spillway, e. bank Sacramento R.); Sacramento R. | Comment | |||
UCR206354 | Spergularia | George K. Helmkamp, E. A. Helmkamp | 2009-3-11 | 14382 | Colusa | Sacramento Valley, along CA-20, 0.1 mile east of its junction with I-5, north end of Williams | 49 | Comment | ||
CAS-BOT-BC390100 | Spergularia bocconi | A. A. Heller | 1916-6-9 | 12392 | Colusa | Along the state highway near Colusa | Comment | |||
RSA0098748 | Spergularia macrotheca | Malcolm A. Nobs, S. Galen Smith | 1949-6-18 | 874 | Colusa | Highway 99W, near Delevan. | Comment | |||
UC8724 | Spergularia macrotheca var. leucantha | J. Burtt Davy | May, 1898 | 4272 | Colusa | near Willows; near Willows | Comment | |||
UCD99217 | Spergularia macrotheca var. leucantha | Malcolm A. Nobs; S. Galen Smith | 1949-6-18 | 874 | Colusa | Highway 99 W, near Delevan. | Comment | |||
CAS-BOT-BC390758 | Spergularia marina | A. A. Heller | 1921-4-10 | 13541 | Colusa | Near Colusa | Comment | |||
CHSC107953 | Spergularia marina | B. Castro; T. Boullion | 2011-4-20 | 1836 | Colusa | Sacramento Valley. Extreme W edge of Sacramento Valley; ca 5 air mi NW of Maxwell, 0.8 mi SE of Funks Reservoir and 650 ft northeast of Tehama-Colusa Canal. Off northwest corner of large +- saline/alkaline wetland/marsh, scattered in marsh edges, vernally moist flats, vernal pools and edge of large bald patch of bare whitish soil. | 49 | Comment | ||
JEPS89204 | Sphenosciadium capitellatum | L. R. Heckard and J. C. Hickman | 1981-7-31 | 5793 | Colusa | e side Snow Mt. (Dark Hollow Creek); e side of Snow Mt., Dark Hollow Creek | 1584 | Comment | ||
CDA32689 | Sporobolus cryptandrus | Howard Johnson | 1958-12-14 | Colusa | Arbuckle, Howard Johnson Property, Route 1, Box 91 | 0 | Comment | |||
POM62479 | Stachys ajugoides | Roxana Stinchfield | 1916-7-11 | 427 | Colusa | Davis Tule, near Sycamore Slough. | Comment | |||
SEINET9361561 | Stachys ajugoides var. ajugoides | Unknown | 1999-8-18 | 15241 | Colusa | Bear Valley | Comment | |||
CDA41022 | Stachys ajugoides var. ajugoides | D. Brown | 1972-6-16 | s.n. | Colusa | Geo. Lodi Prop., Grimes. | 0 | Comment | ||
JEPS110534 | Stachys ajugoides var. rigida | Lowell Ahart | 2006-10-31 | 13539 | Colusa | On the south side of road M 10, about 6 miles by road west of Stonyford | 583 | Comment | ||
CHSC106246 | Stachys albens | B. Castro; L. P. Janeway | 2001-6-3 | 1256 | Colusa | Inner North Coast Ranges. Spring at Grapevine flat, on top of Walker Ridge about 0.5 mi E of Baldy Mountain. East-facing slope/bench with large springy/meadowy area. | 880 | Comment | ||
CHSC112627 | Stachys albens | Lowell Ahart | 2013-10-1 | 19079 | Colusa | Inner North Coast Range. Strand of East Park Reservoir, about 2 1/2 miles (air) southeast of Stonyford, about 2 1/2 miles northwest of Lodoga, about 10 miles (air) northwest of Sites. | 364 | Comment | ||
JEPS120807 | Stachys albens | Lowell Ahart | 2013-10-1 | 19079 | Colusa | Strand of East Park Reservoir, about 2.5 air miles SE of Stonyford, about 2.5 miles NW of Lodoga, about 10 air miles NW of Sites. | Comment | |||
UCD164144 | Stachys albens | Craig Thomsen | 1997-6-21 | 1933 | Colusa | Bear Valley. About 7 miles north of Hwy 20, southern Bear Valley. | Comment | |||
UCD64039 | Stachys albens | Craig D. Thomsen | 2000-6-23 | 2417 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, Colusa Co. milepost 2.63. | 304 | Comment | ||
RSA724895 | Stachys rigida subsp. quercetorum | L. Ahart | 2006-8-22 | 13235 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 348 | Comment | ||
CHSC61429 | Stachys stricta | Vernon H. Oswald | 1993-8-16 | 5806 | Colusa | Sacramento National Wildlife Refuge. Refuge located ca. 7 mi S of Willows, W 1/4 of Tracts 44, near the S boundary of the refuge. Growing on N bank of Hunters Creek. | 24 | Comment | ||
UCD64273 | Stellaria media | Craig D. Thomsen | 2000-3-31 | 2074 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
CHSC86516 | Stellaria nitens | B. Castro | 2003-3-17 | 1382 | Colusa | Vicinity of Sites, hills N of the Sites-Lodoga Rd, and Stone Corral Creek. | 188 | Comment | ||
UCD112598 | Stellaria nitens | Christopher Mallek | 2008-4-17 | WR2- 2 | Colusa | Walker Ridge. Border of Colusa and Lake Counties. | 802 | Comment | ||
UCD65628 | Stellaria nitens | Craig D. Thomsen | 2000-4-12 | 2128 -b | Colusa | Bear Creek Botanical Management Area. Caltrans right-of-way, on south side of Hwy 20, ca. 0.25 mile west of Hwy 20/16 instersection, near Colusa Co. milepost 3.00. | 310 | Comment | ||
UCD66948 | Stephanomeria virgata | Ellen Dean; Davis Botanical Society | 2008-5-31 | 4993 | Colusa | west of I-5 at Maxwell, along Goat Mountain Road, immediately west of the junction with Lodoga-Stonyford Road. | 382 | Comment | ||
UCD55447 | Stephanomeria virgata subsp. pleurocarpa | Ellen Dean; Gordon Harrington | 2006-10-6 | 3272 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Ranch can be accessed via north gate which is located on a road on the S side of State Route 20, 2.3 road miles W of jct of State Routes 16 and 20. In Thompson Canyon, along dirt road that parallels ephemeral drainage. | 374 | Comment | ||
UCD167947 | Streptanthus | James Neilson | 1982-7-1 | 4088 | Colusa | near mouth of Frenzel Creek. (Exact location unknown. Coordinates estimated by label maker.) | Comment | |||
CAS-BOT-BC61238 | Streptanthus breweri | Alice Eastwood; John Thomas Howell | 1938-5-16 | 5627 | Colusa | Lake-Colusa county line. On road to Williams. | Comment | |||
CDA15504 | Streptanthus breweri | G. F. Hrusa, WTD | 1998-6-19 | 14642 | Colusa | North Coast Ranges; Above Fouts Springs (overlooking settlement) on Trough Ridge Rd. to Stonyford. | Comment | |||
UCD115959 | Streptanthus breweri | D. Sanchez-Mata | 1998-6-24 | s.n. | Colusa | Bear Valley. Bear Valley Road. Bear Valley Creek. | 370 | Comment | ||
UCD164311 | Streptanthus breweri | Ryan O'Dell | 2010-7-1 | s.n. | Colusa | UTM zone 10, 553253, 4318610. [UTM coordinates place this location along Bear Valley Rd., north of HWY 20.] | 381 | Comment | ||
CAS-BOT-BC61235 | Streptanthus breweri | Roger Raiche | 1985-5-25 | RR 50459 | Colusa | West of Williams, Bear Valley, Bear Valley Road about 1 mile from its origin at Route 20. | 365 | Comment | ||
UC1051693 | Streptanthus breweri var. breweri | Helen K. Sharsmith | 1953-6-18 | 4256 | Colusa | Candy Bucket Spring Inner North Coast Ranges, Mendocino National Forest (road from Stoneyford to Mill Spring) | 609 | Comment | ||
UC1552822 | Streptanthus breweri var. breweri | Frederica Bowcutt | 1985-5-10 | 510 | Colusa | road bank along Bear Valley Rd about 3 mi se Wilbur Springs (1 mi w of Hwy 20); Wilbur Springs 15' Quad | Comment | |||
UC956510 | Streptanthus breweri var. breweri | Freed W. Hoffman | 1947-6-18 | 1019 | Colusa | Wilbur Springs Road | Comment | |||
UCD58119 | Streptanthus breweri var. breweri | Ellen Dean; PLB 102 Class | 2007-4-29 | 3714 | Colusa | Payne Ranch. West of Hwy. 16. Ca. 2 road miles S of junction of Hwy. 20 and Hwy. 16. Craig Canyon. Along unimproved road. | 328 | Comment | ||
CHSC35582 | Streptanthus glandulosus | J. P. Smith; Tom Nelson, Jane Nelson | 1978-4-2 | 9565 | Colusa | Bear Valley Road, 2.1 miles from its junction with State Route 20. | 365 | Comment | ||
CHSC56756 | Streptanthus glandulosus | Joel Hoskins | 1989-4-1 | 1 | Colusa | Ca. 5 yds n of Hwy 20, Salt Canyon, n side of Salt Creek, Hwy 20, 11 mi. wsw of Williams. | 143 | Comment | ||
HSC45730 | Streptanthus glandulosus | M. Alcasas | 1978-4-22 | 41 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
CAS-BOT-BC87086 | Streptanthus glandulosus subsp. glandulosus | Robert F. Hoover | 1938-4-23 | 3205 | Colusa | Grade on Rumsey-Arbuckle Road. | Comment | |||
CHSC71110 | Streptanthus glandulosus subsp. glandulosus | Jan Monelo | 1989-4-1 | 4 | Colusa | Salt Canyon, n side of Salt Creek, Hwy 20, 11 mi wsw of Williams. | 143 | Comment | ||
JEPS16222 | Streptanthus glandulosus subsp. glandulosus | Rimo Bacigalupi and Arthur Holmgren | 1950-4-26 | 3183 | Colusa | burned slope just w base of grade to Indian Valley (Bartlett Mt. Road) (just w of Bear Valley); Inner North Coast Ranges | Comment | |||
UC1552823 | Streptanthus glandulosus subsp. glandulosus | Frederica Bowcutt | 1985-5-10 | 513 | Colusa | about 3 mi se Wilbur Springs (1 mi w of Hwy 20, base of steep s-facing hillsides); Wilbur Springs 15' Quad, Big Valley Shale Barrens | Comment | |||
CAS-BOT-BC87396 | Streptanthus morrisonii | G. L. Stebbins | 1966-6-6 | 6431 | Colusa | Lovelady Ridge, south of South Fork, Stony Creek, 6.5 miles south of Stonyford. | 609 | Comment | ||
SEINET11993694 | Streptanthus morrisonii | Unknown | 1984-1 | RR 40260 | Colusa | W of Ladoga, Goat Mt Rd, along Little Stonyford Cr (ca 0.3 mi W of rd origin at Ladoga-Stonyford Rd) | 442 | Comment | ||
UCR141627 | Styrax officinalis var. californicus | Roman Gankin | 1959-4-19 | 330 | Colusa | Along road to Walker Ridge from Bear Valley | Comment | |||
CAS-BOT-BC48092 | Styrax redivivus | A. A. Heller | 1919-5-10 | 13111 | Colusa | Grade west of Leesville | Comment | |||
UCD163316 | Styrax redivivus | Craig D. Thomsen | 1997-4-13 | 1905 | Colusa | Bear Valley. About 6 miles north of Hwy 20. Vicinity of Trout Creek, north of Deadshot Canyon. | Comment | |||
UCD66531 | Styrax redivivus | Craig D. Thomsen | 2000-4-28 | 2231 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
CHSC92638 | Symphyotrichum spathulatum | D. Isle | 2005-9-14 | 1172 | Colusa | Mendocino National Forest--North Coast Ranges. Middle Fork Stony Creek Watershed. Meadow west of Angel Spring, Snow Mountain Wilderness. 10S 0522348E 4358185N = Angel Springs. | Comment | |||
JEPS75728 | Symphyotrichum spathulatum | L. R. Heckard | 1974-9-9 | 3864 | Colusa | just ne of rocky promontory se of Foutch Camp; Snow Mt. | 1920 | Comment | ||
JEPS80880 | Symphyotrichum spathulatum | L. R. Heckard and J. C. Hickman | 1981-7-31 | 5801 | Colusa | Dark Hollow Creek, (e side of Snow Mt.) Snow Mt. | 1645 | Comment | ||
UCD136692 | Symphyotrichum subulatum var. parviflorum | P. B. Kennedy | 1925-9-18 | s.n. | Colusa | Cortena. | Comment | |||
UCD136679 | Symphyotrichum subulatum var. parviflorum | C. F. Dunshee | 1922-9-10 | s.n. | Colusa | Rice fields. | Comment | |||
CHSC81317 | Tamarix parviflora | J. Trizzino | 2001-3-31 | 11 | Colusa | Bear Valley drainage near southern entrance to valley along eastside Bear Valley Road. | 408 | Comment | ||
HSC62945 | Tamarix parviflora | Marla J. Carollo | 1979-4-14 | 29 | Colusa | Bear Valley Rd., 3.9 mi. N of Hwy. 20, next to Bear Creek. | 412 | Comment | ||
RSA296726 | Tamarix parviflora | Michael Dalke | 1979-4-14 | 51 | Colusa | Bear Valley Road, 3.9 miles N of State Route 20. | 412 | 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 | |||
UCD101743 | Tamarix parviflora | S. R. Sims | 1971-4-24 | 34 | Colusa | 16 miles northwest of Rumsey; along a watercourse. | Comment | |||
UCD57549 | Tamarix parviflora | Cindy Yip; with Plant Biology 102 | 2007-4-29 | 2 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Meadow on the west side of State Route 16, ca. 2 road miles south of intersection with State Route 20. | 304 | Comment | ||
CHSC77357 | Tetrapteron graciliflorum | L. P. Janeway; B. Castro, Mary Ann Griggs, Beth Hendrickson | 1999-4-12 | 6401 | Colusa | Vicinity of Logan Ridge, Funks Creek, and 'Golden Gate. | 152 | Comment | ||
UCD71257 | Tetrapteron graciliflorum | Kathi A. Zurakowski | 1984-4-29 | s.n. | Colusa | Bear Valley, 3.2 miles north of Wilbur Springs turnoff; in field west of road; in heavy clay soil; in full sun; yellow flowers, red in age. | 381 | Comment | ||
UCD81709 | Thalictrum fendleri var. polycarpum | Ellen Dean; K. Mawdsley,G. Harrington,R. Wilmarth,B. Rice,E. Salvia | 2009-5-27 | 5715 | Colusa | Walker Ridge. Along Walker Ridge Road. Til Jones Spring area on W side of road, ca. 6.5 road mi N of junction with Hwy 20. W side of road. | 833 | Comment | ||
UCD146699 | Thinopyrum intermedium | G. F. Hrusa | 1998-6-19 | 14614 | Colusa | above upper Little Stony Creek. Goat Mountain Road around 1.5 km west of campground. | 485 | Comment | ||
UCD61467 | Thinopyrum ponticum | Ellen Dean; G. Harrington, N. Voegtly, J. Alderson, C. Thomsen | 2007-6-24 | 3913 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwy 16 and Hwy 20. West of BLM equestrian parking lot (Cowboy Camp) on west side of Bear Creek. Approximately 1/2 mile south of parking lot, along Bear Creek. | 312 | Comment | ||
UCD93333 | Thinopyrum ponticum | Beecher Crampton | 1963-8-5 | 6867 | Colusa | 1/4 mile E of Cortena. | Comment | |||
SEINET3166339 | Thysanocarpus curvipes subsp. curvipes | P. J. Alexander, C. D. Bailey | 2009-3-31 | 972 --1 | Colusa | Eastern foothills of the North Coast Ranges, east side of High Valley on Leesville Rd., 1.4 miles SE of Leesville, 14.5 miles west of Williams. | 503 | Comment | ||
SEINET3166341 | Thysanocarpus curvipes subsp. curvipes | P. J. Alexander, C. D. Bailey | 2009-4-1 | 973 | Colusa | East slope of the North Coast Ranges, Mendocino National Forest, east side of Mill Creek 0.8 miles SSW of its confluence with South Fork Stony Creek, 6.3 miles WSW of Stonyford. | 509 | Comment | ||
UCD56905 | Thysanocarpus curvipes subsp. curvipes | Ellen Dean; Gordon Harrington and Kate Mawdsley | 2007-3-30 | 3508 | Colusa | BLM Payne Ranch. In Craig Canyon. Southwest of intersection of Hwy. 16 and Hwy. 20. | 326 | Comment | ||
UCD64265 | Thysanocarpus curvipes subsp. curvipes | Craig D. Thomsen | 2000-3-31 | 2061 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
CHSC62927 | Thysanocarpus curvipes var. curvipes | Vernon H. Oswald; Lowell Ahart | 1994-4-6 | 6064 | Colusa | Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. On the slopes bordering Sullivan Creek. | 469 | Comment | ||
JEPS95451 | Thysanocarpus curvipes var. curvipes | Vernon H. Oswald and L. Ahart | 1994-4-6 | 6064 | Colusa | T17N R7W SE1/4 SW1/4 Sec. 36, 1540 ft, Chaparral. Goat Mtn. Rd. at Sullivan Creek, 1.2 mi SW of Digger Pine Flat, S of Stonyford. Occasional groups of plants in gravelly soil (serpentine) on the slopes bordering Sullivan Creek. | 469 | Comment | ||
HSC47458 | Thysanocarpus laciniatus | J. P. Smith | 1978-4-22 | 9746 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
JEPS87659 | Thysanocarpus laciniatus | Vernon H. Oswald and Lowell Ahart | 1994-4-6 | 6065 | Colusa | s. Stonyford (Goat Mtn. Rd at Sullivan Creek, 1.2 mi sw of Digger Pine Flat); Sullivan Creek, sw of Digger Pine Flat | 469 | Comment | ||
SEINET5731492 | Thysanocarpus radians | Frank Polach | 1967-1 | 20 | Colusa | Bear Valley; Bear Valley | 402 | Comment | ||
UCD66585 | Torilis arvensis | Craig D. Thomsen | 2001-5-24 | 2530 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, between Colusa Co. milepost 2.63 and 2.17. | 325 | Comment | ||
UCD139848 | Toxicoscordion fremontii | G. Robinson | 1984-4-21 | 2 | Colusa | Bear Valley; west of Wilbur Springs Road, 3.2 miles north of Highway 20, east of a creek, along a fence. | 390 | Comment | ||
CHSC62951 | Toxicoscordion paniculatum | Vernon H. Oswald; Lowell Ahart | 1994-4-6 | 6073 | Colusa | Goat Mtn. Rd. 1.5 mi S of Sullivan Creek Bridge, SW of Digger Pine Flat, S of Stonyford. | 518 | Comment | ||
UCD164039 | Toxicoscordion venenosum var. venenosum | Amber Flores | 2016-4-9 | 5 | Colusa | BLM Bear Creek Ranch (previously Payne Ranch). Lands to the SW of jct of Hwys 16 and 20. On north side of hill just south of corral at 16 and 20. | 398 | Comment | ||
UCD136900 | Trichocoronis wrightii | S. Galen Smith; Malcolm A. Nobs | 1949-9-10 | 1890 | Colusa | 17 miles north of Knights Landing. | Comment | |||
RSA700359 | Trichostema laxum | L. P. Janeway | 2001-6-6 | 7113 | Colusa | Inner North Coast Ranges. Eaton Springs, about 2.4 km east of Walker Ridge Road. | 703 | Comment | ||
UCD64037 | Trichostema laxum | Craig D. Thomsen | 2000-6-23 | 2414 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, about 0.5 mile west of Hwy 20/16 instersection, Colusa Co. milepost 2.63. | 304 | Comment | ||
UC726704 | Trichostema laxum | A. A. Heller | 1941-9-22 | 16330 | Colusa | just E of Lake Co. line | Comment | |||
UCSC004744 | Trifolium | Randall Morgan | 1995-5-16 | 2628 | Colusa | Bear Valley | Comment | |||
UCSC005368 | Trifolium | Randall Morgan | 1995-5-16 | 2628 | Colusa | Bear Valley | Comment | |||
UC1049532 | Trifolium albopurpureum var. albopurpureum | Rimo Bacigalupi | 1950-4-16 | 3113 | Colusa | 4 mi s Ladoga (6 mi n of Leesville, along Little Indian Creek); Inner North Coast Ranges, eastern base, Indian Valley | Comment | |||
CHSC70981 | Trifolium albopurpureum var. dichotomum | Vernon Oswald; Lowell Ahart | 1998-5-7 | 9001 | Colusa | Bartlett Springs Rd, 2.1 mi west of Bear Valley Rd., 0.8 mi east of Sawtelle Valley and Grapevine Flat roads. | 524 | Comment | ||
UCD107898 | Trifolium bifidum var. bifidum | E. W. Laubscher | 1958-3-7 | 8 | Colusa | State Highway 16, 2 miles N of Yolo-Colusa county line. | Comment | |||
CHSC89884 | Trifolium ciliolatum | B. Castro; L. Janeway | 2001-5-2 | 1241 | Colusa | Vicinity of Grapevine Creek, Antelope Creek, and Pence Mtn. In flat to undulating open grazed grassland between hills of blue oak wood-land. Adjacent to dirt road paralleling N-S-trending creek. | 335 | Comment | ||
POM277648 | Trifolium depauperatum var. amplectens | Lyman D. Benson | 1929-3-26 | 1047 | Colusa | Williams | Comment | |||
UCD163677 | Trifolium depauperatum var. depauperatum | Craig Thomsen | 1999-4-15 | 1978 | Colusa | Bear Valley. About 5 miles north of Hwy 20, west of Bear Valley Rd. | Comment | |||
UCD58093 | Trifolium depauperatum var. depauperatum | Ellen Dean; C. Thomsen, S. Bledsoe, G. Harrington, D. Hickson | 2007-3-25 | 3470 | Colusa | BLM Payne Ranch. Lands to the southwest of the intersection of Hwy. 16 and Hwy. 20. Destinella Flat, just E of the Lake County Border. Ca. 3.4 miles along Hwy. 20 from junction of Hwy. 20 and Hwy. 16. | 560 | Comment | ||
JEPS89584 | Trifolium depauperatum var. truncatum | Dean W. Taylor | 1992-4-16 | 12407 | Colusa | stony hillside ca. 0.4 mi. due w. from spillway into Little Stony Creek (East Park Reservoir); Inner N. Coast Range, Gilmore Peak Quad. | 411 | 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 | ||
UCR146312 | Trifolium fragiferum | Beecher Crampton | 1961-7-20 | 5933 | Colusa | 2 mi south of Grimes | Comment | |||
UCD109037 | Trifolium fucatum | Clinton C. Shock | 1980-5-3 | 60 | Colusa | Bear Valley, about 12 miles northwest of State Highway 20. | 384 | Comment | ||
UCD64245 | Trifolium fucatum | Craig D. Thomsen | 2000-3-31 | 2047 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
SEINET7413831 | Trifolium fucatum | M. J. Williams | 1967-5-7 | s.n. | Colusa | Bear Valley | 396 | Comment | ||
UCD35784 | Trifolium fucatum | Beecher Crampton | 1962-4-17 | 6221 | Colusa | 3.3 miles north of College City. | Comment | |||
UC80532 | Trifolium gracilentum | Katharine Brandegee | Apr 1889 | Colusa | Leesville | Comment | ||||
UCD57552 | Trifolium hirtum | Andrew Pedersen; with Plant Biology 102 | 2007-4-29 | 2 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of State Routes 20 and 16. Meadow on the west side of State Route 16, ca. 2 road miles south of intersection with State Route 20. West side of Bear Creek. | 304 | Comment | ||
UCD63738 | Trifolium hirtum | Craig D. Thomsen | 2008-5-23 | 2744 | Colusa | BLM Payne Ranch. Southwest of intersection of Hwy 16 and Hwy 20. About 1 mile south of Hwy 20 (south of Destanella Flat) and 2.5 miles west of Hwy 16. | 415 | Comment | ||
UCR212361 | Trifolium hirtum | Craig D. Thomsen | 2000-4-12 | 2143 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mi west of Hwy 20/16 intersection, milepost 3.00 | 310 | Comment | ||
RSA0118784 | Trifolium microcephalum | Lowell A. Ahart | 2013-5-1 | 18693 | Colusa | On the north side of the wash, north side of State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 567 | Comment | ||
JEPS121122 | Trifolium obtusiflorum | Lowell Ahart | 2013-5-1 | 18679 | Colusa | On the N side of the wash, N side of Hwy 20, just E of Lake County line, 12.2 air miles ENE of the town of Clear Lake, 17.1 air miles W of Williams. | Comment | |||
JEPS80818 | Trifolium obtusiflorum | L. R. Heckard and J. C. Hickman | 1981-7-31 | 5789 B | Colusa | Box Spring Snow Mtn (e side of mountai4600 ft) | Comment | |||
RSA0118786 | Trifolium obtusiflorum | Lowell A. Ahart | 2013-5-1 | 18679 | Colusa | On the north side of the wash, north side of State Highway 20, just east of Lake County Line, 12.2 miles (air) east-northeast of Clear Lake (town), 17.1 miles (air) west of Williams. | 567 | Comment | ||
SBBG119886 | Trifolium obtusiflorum | L. Ahart | 2006-8-9 | 13130 | Colusa | N side and under bridge across Stony Crk, just N of Stonyford | 347 | Comment | ||
CDA14355 | Trifolium obtusiflorum | D. Brown | 1995-7-26 | Colusa | Bear Valley south of Leesville. | 0 | Comment | |||
JEPS82351 | Trifolium variegatum var. variegatum | L. R. Heckard | 1969-5-28 | 2234 | Colusa | ca 6 air mi w Stonyford (along Stony Creek); Four Springs | Comment | |||
UCD163667 | Trifolium willdenovii | Craig Thomsen | 1999-4-15 | 1967 | Colusa | Bear Valley. About 7 miles north of Hwy 20. | Comment | |||
UCD64425 | Trifolium willdenovii | Craig D. Thomsen | 2000-4-28 | 2192 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UCD82622 | Triglochin maritima | Craig Thomsen; G. Harrington | 2009-5-12 | 2892 | Colusa | Colusa County on Walker Ridge. Eaton Springs, about 1 mile east of Walker Ridge Rd. | 707 | Comment | ||
UCD149528 | Trillium albidum | Greg Kareofelas | 2013-4-25 | s.n. | Colusa | Colusa County; north of Lily Pond, Mill Valley Campground, along Forest Route AN02. In the Mendocino National Forest, between Snow Mountain and Goat Mountain. | 1228 | Comment | ||
UCD58100 | Triphysaria eriantha | Ellen Dean; C. Thomsen, S. Bledsoe, G. Harrington, D. Hickson | 2007-3-25 | 3477 | Colusa | BLM Payne Ranch. Lands to the southwest of the intersection of Hwy. 16 and Hwy. 20. Destinella Flat, just E of the Lake County Border. Ca. 3.4 miles along Hwy. 20 from junction of Hwy. 20 and Hwy. 16. | 560 | Comment | ||
CHSC110856 | Triphysaria versicolor | David Isle | 1989-5-14 | 1996 | Colusa | Pendell Ranch ~2 miles W of Co. Rd. 306 junction with Fouts Springs Foad; about 150 yds south of Pendell home. | 384 | Comment | ||
UC1613367 | Triteleia ixioides | Charles M. Belshaw | April 1937 | 2859 | Colusa | vicinity of Cook's spring (Devil's Ridge); Inner N. Coast Range, Devil's Ridge | Comment | |||
SEINET199007 | Triteleia laxa | Helen K. Sharsmith | 1953-6-19 | 4270 | Colusa | Mendocino National Forest ; East slope Snow Mountain near Paradise Creek in mixed chaparral and forest | 823 | Comment | ||
UCD64413 | Triteleia laxa | Craig D. Thomsen | 2000-4-12 | 2140 | Colusa | Bear Creek Botanical Management Area. On Caltrans right-of-way, south side of Hwy 20, 0.25 mile west of Hwy 20/16 instersection, Colusa Co. milepost 3.00. | 310 | Comment | ||
UCR233442 | Triteleia laxa | George K. Helmkamp, E. A. Helmkamp | 2011-4-1 | 17130 | Colusa | Eastern Foothills North Coast Ranges, Antelope Valley, along Maxwell-Sites Road, 0.4 miles southeast of Sites | 93 | Comment | ||
HSC72157 | Triteleia laxa | J. P. Smith, Thomas W. Nelson, Jane P. Nelson | 1978-4-2 | 9531 | Colusa | Bear Valley Rd, 3 mi. from its junction with SR 20 | 366 | Comment | ||
RSA0021580 | Triteleia laxa | M. Bourell | 1997-3-29 | 5809 | Colusa | Mendocino National Forest along Road near Brittan Ranch, 0.1 mi. N of North Fork Campground. | Comment | |||
RSA304265 | Triteleia laxa | James R. Shevock | 1971-4-8 | 937 | Colusa | Bear Valley Road | 610 | Comment | ||
UC1051718 | Triteleia laxa | Helen K. Sharsmith | 1953-6-19 | 4270 | Colusa | e slope of mountain near Paradise Creek; Inner Northern Coast Ranges, Mendocino National Forest, Snow | 822 | Comment | ||
CHSC71456 | Triteleia peduncularis | Vernon H. Oswald; Lowell Ahart | 1998-7-15 | 9272 | Colusa | Bartlett Sptings Rd. 1.6 mi west of Bear Valley Rd. | 487 | Comment | ||
JEPS93801 | Triteleia peduncularis | Vernon H. Oswald and Lowell Ahart | 1998-7-15 | 9272 | Colusa | Bartlett Springs Road 1.6 mi w of Bear Valley Road; Bartlett Springs Road | 487 | Comment | ||
SEINET12048047 | Triteleia peduncularis | R. A. DeMartile | 1983-1 | 108 | Colusa | Barlett Springs Road N of Baldy Mt | 762 | Comment | ||
UCD61469 | Typha domingensis | Ellen Dean; G. Harrington, N. Voegtly, J. Alderson, C. Thomsen | 2007-6-24 | 3915 | Colusa | Payne Ranch (owned by BLM), lands to the SW of the intersection of Hwy 16 and Hwy 20. West of BLM equestrian parking lot (Cowboy Camp) on west side of Bear Creek. Approximately 1/2 mile south of parking lot, along Bear Creek. | 312 | Comment | ||
CDA12375 | Umbellularia californica | G. F. Hrusa | 1996-1-2 | 12628 | Colusa | Inner North Coast Ranges; Little Stony Creek, +/- 2 miles W of intersection of Cedar Camp Rd. and Stonyford-Lodoga Rd. | Comment | |||
HSC71308 | Umbellularia californica | Thomas W. Nelson, Jane P. Nelson | 1979-4-12 | 4618 | Colusa | Along Stony Creek below Digger Pine Campground | 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 | ||
CHSC115397 | Uropappus lindleyi | Lowell Ahart | 2015-4-1 | 19997 | Colusa | Inner North Coast Range. On the north side of State Highway 20, 1/2 mile east of Lake County Line, 12 miles (air) east-northeast of Clear Lake (town), 17 miles (air) west of Williams. | 520 | Comment | ||
UC71622 | Uropappus lindleyi | Miss Alice King | 1905-1 | Colusa | College City | Comment | ||||
UCD163225 | Uropappus lindleyi | Craig D. Thomsen | 2001-4-12 | 2456 | Colusa | Bear Creek Botanical Management Area. CalTrans right-of-way along Hwy 20 (south side), about 1 mile west of Hwy 20/16 intersection. | 345 | Comment | ||
UCD163328 | Uropappus lindleyi | Craig D. Thomsen | 2009-5-3 | 2794 | Colusa | Walker Ridge. Vicinity of Walker Ridge Rd., 0.25 miles north of Hwy 20. | Comment | |||
CHSC94983 | Urtica dioica subsp. gracilis | Lowell Ahart | 2006-10-31 | 13535 | Colusa | West of a small stream, Big Springs, on the south side of Letts Lake, about 13 miles (air) southwest of Stonyford. | 1529 | Comment | ||
RSA718531 | Urtica dioica subsp. gracilis | L. Ahart | 2006-10-31 | 13535 | Colusa | Big Springs, on the south side of Letts Lake, about 13 miles (sir) SW of Stonyford. | 1530 | 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 | ||
UC27673 | Verbascum blattaria | J. Burtt Davy | May, 1898 | 4302 | Colusa | near Princetown; near Princetown | Comment | |||
UC1736436 | Verbena brasiliensis | Dean W. Taylor | 1993-8-31 | 14068 | Colusa | Sacramento National Wildlife Refuge, along North Fork Logan Creek | 24 | Comment | ||
UCD163862 | Verbena lasiostachys | Craig D. Thomsen | 2001-5-31 | 2547 b | Colusa | Bear Creek Canyon south of Sulphur Creek confluence. About 3 miles north of Hwy 20. | Comment | |||
UCD58176 | Verbena lasiostachys | Gordon Harrington | 2007-5-31 | 65 | Colusa | BLM Payne Ranch. Lands to the SW of the intersection of Hwy 16 and Hwy 20. Along Thompson Creek, approximately 3/4 mile downstream from Road Kill Cafe. | 350 | Comment | ||
CHSC94522 | Verbena lasiostachys var. lasiostachys | Lowell Ahart | 2006-8-22 | 13212 | Colusa | North side and under the bridge across Stony Creek, just north of Stonyford. | 347 | Comment | ||
CAS-BOT-BC384658 | Verbena lasiostachys var. scabrida | Andrew Townesmith; Karen M. Meyer | 2007-8-7 | 913 | Colusa | Mendocino National Forest, Grindstone Ranger District. Lily Pond, off Forest Service road 17N02, 1.7 miles SW of intersection with Forest Service route M10 | 1264 | Comment | ||
JEPS120798 | Verbena lasiostachys var. scabrida | Lowell Ahart | 2013-10-1 | 19091 -A | Colusa | Strand of East Park Reservoir, about 2.5 air miles SE of Stonyford, about 2.5 miles NW of Lodoga, about 10 air miles NW of Sites. | Comment | |||
RSA794841 | Veronica anagallis-aquatica | D. Isle | 2008-4-17 | 1935 | Colusa | 5 miles north of Maxwell; south of Delevan Road; 0.6 miles west of I-5 Overpass; in irrigation ditch water on west side of 10 rice checks on Ruesser Moore property. | 30 | Comment | ||
JEPS16487 | Veronica peregrina subsp. xalapensis | W. L. Jepson | 1934-5-3 | 16599 | Colusa | n of Colusa (Stegeman Station); Stegeman Station | Comment | |||
UCD67078 | Veronica peregrina subsp. xalapensis | Ellen Dean; G. Harrington, J. Alderson, E. Bayon, R. Willmarth | 2008-6-8 | 5102 | Colusa | BLM Payne Ranch, lands to the SW of jct of Hwys 16 and 20. Western edge of ranch on ridge above Cache Creek Canyon. Spring-fed stock pond at base of uphill climb east side of ridge trail. | 510 | Comment | ||
JEPS75716 | Veronica serpyllifolia subsp. humifusa | L. R. Heckard | 1974-9-9 | 3842 | Colusa | just se of Foutch Camp (Snow Mountain); Snow Mountain | 1889 | Comment | ||
CHSC59717 | Vicia americana var. americana | Darci Field | 1977-4-16 | 21 | Colusa | Ca. 0.3 mi w of jct of Hwys 20 and 16, s side of Bear Creek, ca. 18 mi s w of Williams. | 321 | Comment | ||
HSC45726 | Vicia cracca | Patricia Shesgreen | 1978-4-22 | 45 | Colusa | Bear Valley Rd., 1.5 mi. from its junction with Hwy. 20 | 412 | Comment | ||
UCD67122 | Viola adunca subsp. adunca | Ellen Dean; Davis Botanical Society | 2008-5-31 | 5054 | Colusa | West of I-5 at Maxwell, north slope of Goat Mountain, along Letts Valley Rd. between Goat Mountain Summit and Fouts Springs, east side of road. | Comment | |||
RSA261548 | Viola adunca subsp. adunca | Michelle Yeargan | 1973-5-12 | Y 049 | Colusa | Letts Valley, 16 miles west of Stonyford, Mendocino National Forest. | Comment | |||
CAS-BOT-BC105092 | Viola douglasii | R. C. Wenk; Davis Botanical Society | 2009-3-28 | 1023 | Colusa | Cache Creek Natural Area, Destinella Flat. S side of Hwy 20, 4.0 kms (air) NW of intersection of Hwys. 16 & 20, near | 560 | Comment | ||
HSC31310 | Viola douglasii | Carter Schleicher | 1974-5-4 | 26 | Colusa | 0.75 mi. from T junction of Walker Ridge Rd. and Indian Valley, near Clyde Mine | 854 | Comment | ||
JEPS89164 | Viola douglasii | Thomas W. Nelson and Jane P. Nelson | 1980-6-24 | 5878 | Colusa | along road to Snow Mountain trail head at Summit Springs; Six Rivers National Forest | 1584 | Comment | ||
SEINET175300 | Viola douglasii | V. Duran | 1933-4-2 | 3379 | Colusa | Stonyford | 305 | Comment | ||
UC1049531 | Viola douglasii | Rimo Bacigalupi | 1950-4-16 | 3115 | Colusa | 4 mi s of Lodoga (and 6 mi nnw of Leesville, along Little Indian Creek, e base of the Inner North Coast Ranges); Inner North Coast Ranges, Indian Valley | 396 | Comment | ||
UC519681 | Viola douglasii | Victor Duran | 1933-4-2 | 3379 | Colusa | Stonyford | 304 | Comment | ||
RSA293110 | Viola douglasii | Thomas W. Nelson, Jane P. Nelson | 1980-6-24 | 5878 | Colusa | Along road to Snow Mountain trail head at Summit Springs. | 1585 | Comment | ||
SEINET6176898 | Viola douglasii | Thomas W. Nelson, Jane P. Nelson | 1980-6-24 | 5878 | Colusa | Lake Pillsbury Quad. Along road to Snow Mountain trail head at Summit Springs. Serpentine.; 0 | 1585 | Comment | ||
UC1005691 | Viola douglasii | Frank W. Gould | 1939-4-7 | 627 | Colusa | on road from Knoxville to Rumsey (just n of county line) | Comment | |||
UCD15438 | Viola douglasii | Lisa Montang | 1985-4-13 | 8 | Colusa | Bear Valley, 8.6 miles north of Bear Valley Road and Highway 20 intersection; | 441 | Comment | ||
UCD40926 | Viola douglasii | G. Robinson | 1984-4-21 | 16 | Colusa | Northwest of Barrel Springs Campground (ca. 200 m) off Barrel Springs Road. Adjacent to water well. | 701 | Comment | ||
JEPS74658 | Viola purpurea subsp. integrifolia | James E. Eckenwalder | 1974-6-2 | 360 | Colusa | on w flank of east peak of Snow Mountain Snow Mountain | Comment | |||
UCD67043 | Viola purpurea subsp. integrifolia | Ellen Dean; Davis Botanical Society | 2008-5-31 | 5022 | Colusa | West of I-5 at Maxwell, Goat Mountain, ridge below summit off of Goat Mountain Road. | 1734 | Comment | ||
CHSC111698 | Viola purpurea subsp. venosa | David Isle | 1977-4-5 | 2066 | Colusa | Mendocino National Forest - North Coast Ranges. Middle Fork Stony Creek Watershed. 1.3 mile NE of Fouts Springs on Upper Davis Flat. | 493 | Comment | ||
UCR281736 | Vitex agnus-castus | David Isle, Tony Murray | 2015-6-22 | 2158 | Colusa | Sacramento Valley Foothills, 480 3rd Street Stonyford, south or garage; Tony Murray (Phil Shimme) Place | 366 | Comment | ||
CAS-BOT-BC203034 | Vitis californica | Roxana S. Ferris | 1926-4-22 | 6303 | Colusa | Sycamore Slough near Sycamore | Comment | |||
UCD13385 | Vitis californica | Charles Martin | 1986-5-17 | 36 | Colusa | Medocino National Forest. 3.7 miles W of Stonyford or Forest Service Rd. 18 NO1. | Comment | |||
UCD70301 | Vitis californica | D. Sanchez-Mata | 1998-7-10 | s.n. | Colusa | Lodoga-Stonyford. Mendocino National Forest. Goat Mountain Road between Lodoga and Red Rock Cabin. | 420 | Comment | ||
POM198504 | Vulpia bromoides | Roxana S. Ferris | 1917-4-12 | 495 | Colusa | 4 miles east of Williams. | Comment | |||
UCD93818 | Vulpia microstachys var. ciliata | Beecher Crampton | 1958-5-19 | 4794 | Colusa | 10.1 miles southeast of Leesville. | Comment | |||
JEPS80142 | Vulpia microstachys var. confusa | L. R. Heckard and J. Hickman | 1980-7-2 | 5303 | Colusa | ca 10 mi w Stonyford (trail from Summit Springs to Snow Mt. peaks, Colusa-Lake county boundary); Snow Mt. | 1661 | Comment | ||
UC766752 | Vulpia microstachys var. confusa | R. F. Hoover | 1938-4-23 | 3208 | Colusa | Upper Sand Creek | 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 | |||
CDA14184 | Vulpia microstachys var. pauciflora | G. F. Hrusa | 1993-5-2 | 10857 | Colusa | Inner North Coast Ranges; Frenzel Creek Research Natural Area - Mendocino National Forest. Serpentine substratum. Colony on flat on top of boulder on E ridge above Frenzel Creek. Annual. | Comment | |||
JEPS75409 | Vulpia microstachys var. pauciflora | W. L. Jepson | 1932-5-8 | 16290 | Colusa | Stonyford | 365 | Comment | ||
SEINET3873246 | Vulpia myuros | Richard R. Halse | 2011-3-20 | 8133 | Colusa | Williams; by junction of 5th Street and B Street; weedy vacant lot.; 0 | 25 | Comment | ||
UC71626 | Wyethia helenioides | Miss Alice King | 1905-1-1 | Colusa | College City | Comment | ||||
UCD137098 | Xanthium spinosum | H. R. Drever | 1945-8-24 | s.n. | Colusa | Near Grimes. | Comment | |||
UC2042510 | Zeltnera trichantha | Holly Forbes and Barbara Keller | 2011-7-7 | Colusa | Walker Ridge Rd, 6.2 miles N from its intersection with Highway 20. | Comment | ||||
UCD163649 | Zeltnera trichantha | Craig Thomsen | 1998-6-10 | 1945 | Colusa | Bear Valley. About 7 miles north of Hwy 20. | Comment | |||
SEINET215154 | Zigadenus fremontii | Barrie Stanfield | 1966-4-16 | 23 | Colusa | 2 miles north of Wilbur Springs | Comment | |||
CAS-BOT-BC530510 | Zigadenus fremontii | Wayne Roderick | 1967-5-7 | s.n. | Colusa | In a hay field, Bear Valley near Leesville | 304 | Comment | ||
SEINET3889547 | Zigadenus fremontii | D. W. McNeal | 1983-5-1 | 2804 | Colusa | Above a road cut above Hwy. #20, 2.1 mi. w. of the jct. of Hwy. #16.; 0 | Comment | |||
CDA11390 | Zigadenus micranthus | G. F. Hrusa, K. van Katwyk | 1995-4-22 | 12110 | Colusa | Inner North Coast Ranges; Approximately 2 m. S of intersection of Walker Ridge road and Bartlett Springs Rd. on Walker Ridge Rd. | Comment | |||
HSC72178 | Zigadenus paniculatus | J. P. Smith, Thomas W. Nelson, Jane P. Nelson | 1978-4-2 | 9556 | Colusa | Bear Valley Rd., 1.3 mi. from its junction with Hwy. 20 | 366 | Comment | ||
RSA589935 | Zigadenus venenosus | Michael A. Vincent, Robert Rhode | 1996-3-30 | 7306 | Colusa | Along Walker Ridge Road, 0.5 mile south of the junction with Brim Road | Comment |
Copyright © 2019 Regents of the University of California — Updated 11 January 2019 |