Search Results — 2000 specimen records retrieved (1596 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC73470  Abies X shastensis Alice Eastwood; John Thomas Howell 1941-7-9 9835 Tehama Near Government Flat. Comment
  CHSC90404  Abies concolor Niall McCarten; Roxanne Bittman 1986-6-15 5475 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 'Ovenlid,' so. side Rd. 25N29. 2011 Comment
  CHSC61755  Abies magnifica var. shastensis Vernon H. Oswald; Lowell Ahart 1993-9-2 5921 A Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca 20 mi (air) Nw of Paskenta. 2286 Comment
  UC688872  Abutilon theophrasti Dana I. Glover Jr. 1943-9-30 Tehama about 12 mi se Corning (on w side of Sacramento River) Comment
  UC1010368  Acer glabrum var. glabrum Milo S. Baker and H. K. Wagnon 1953-7-12 12875 Tehama along County rd on e side 5.3 mi beyond Whitlock Camp (w Tehama County); beyond Whitlock Camp 1828 Comment
  CHSC3403  Acer macrophyllum Alice L. Stoll 1966-4-30 144 Tehama Alongside Highway 32 ca. 13 miles S.W. of Childs Meadows. 1066 Comment
  CHSC77516  Acer macrophyllum B. Castro; L. P. Janeway 1999-6-14 981 Tehama About 21 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek. 310 Comment
  CHSC61758  Achillea millefolium Vernon H. Oswald; Lowell Ahart 1993-9-2 5905 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2407 Comment
  CHSC66472  Achillea millefolium Vernon H. Oswald; Lowell Ahart 1996-5-20 7580 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. 182 Comment
  JEPS88341  Achillea millefolium Vernon H. Oswald and Lowell Ahart 1996-5-20 7580 Tehama BLM parcel along Hwy 36 ne Red Bluff (on banks of intermittent stream at ne end of parcel); Cascade Range Foothills 182 Comment
  UC1609139  Achillea millefolium Vernon H. Oswald and Lowell Ahart 1993-9-2 5905 Tehama ridge running e from Mt. Linn (ca 20 (air) mi nw of Paskenta); South Yolla Bolly Mtns. 2407 Comment
  UCD128361  Achillea millefolium J. M. Tucker; L. K. Mann 1959-7-19 3544 Tehama South Yolla Bolly Mountain. 2465 Comment
  CHSC55648  Achnatherum lemmonii K. R. Stern 1986-5-21 8316 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  RSA756339  Achnatherum lemmonii Barbara Ertter 1990-5-12 8934 Tehama Northwest side of Dry Fork Creek northwest of junction of Highway 36 and Route A5 (Bowman Road) about 15 air miles west-northwest of Red Bluff, on Reed property. 183 Comment
  UC1056064  Achnatherum lemmonii J. I. Mallory 1956-6-5 139 Tehama 1 mi nne Paynes Creek (Inskip Lookout road); Mt. Diablo Mer, Quad. 33-B-3 594 Comment
  UCD55564  Achnatherum lemmonii Beecher Crampton 1954-6-16 1967 Tehama Mendocino National Forest in Paskenta District. Whiskey Saddle. Crane Mills logging road. 1438 Comment
  RSA700505  Achnatherum lemmonii var. lemmonii L. P. Janeway 2001-6-10 7150 Tehama High North Coast Ranges. Slope above Road 28N10, 1.1 km northeast of Stuart Gap. 1515 Comment
  JEPS28281  Achnatherum occidentale subsp. californicum George W. Gillett 1957-8-18 1096 Tehama 1/4 mi above Sulphur Works Checking Station (lower portion of Brokeoff Mt. Trail); Lassen Volcanic Nat'l Park, Brokeoff Mt. 2103 Comment
  UCD51131  Achnatherum occidentale subsp. californicum J. I. Mallory 1957-8-28 170 Tehama 1/6 mile west of southwest Mill Creek Store, Lassen National Forest. 1402 Comment
  UC641663  Achnatherum occidentale subsp. pubescens G. L. Stebbins 1939-7-10 2944 Tehama 12 mi e Paynes Creek 1097 Comment
  UCD51227  Achnatherum occidentale subsp. pubescens A. A. Beetle 1942-5-18 3305 Tehama Near Paynes Creek, Gleason Experimental Plots. Comment
  UC1052185  Achnatherum stillmanii J. I. Mallory 1954-10-12 108 Tehama ne part of Sugarpine Flat Quadrangle 33-A-2 1737 Comment
  UCD51411  Achnatherum stillmanii A. Hormay 1929-6-13 s.n. Tehama Campbellville, near Lassen National Forest boundary, 30 miles NE of Chico. 1066 Comment
  CHSC64595  Achyrachaena mollis Vernon H. Oswald; Lowell Ahart 1995-4-25 6699 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Between Manton Rd. and the reserve fence near the s tip of the reserve. 207 Comment
  JEPS36726  Achyrachaena mollis Virginia Bailey 1938-4-16 Tehama 6 mi w on Paskenta-Covelo road Paskenta Comment
  JEPS94762  Achyrachaena mollis Vernon Oswald and Lowell Ahart 1998-5-14 9047 Tehama 2.3 mi e of Vestal Road (Highway 36 between Red Bluff and Platina) 274 Comment
  SEINET10971201  Achyrachaena mollis Mary Susan Taylor 1975-4-18 Taylor 488 Tehama Ca. 0.5 mi E of Hwy 99, on Keefer Rd, ca. 0.5 mi NE of jct of Hwy 99 and Keefer-Lassen Rd, ca. 5 mi N of Chico. Around huge vernal pool. 61 Comment
  SEINET11844252  Achyrachaena mollis Unknown 1982-1 449 Tehama T24N, R1W, S central portion of Section 21, just S of Lassen Road 70 Comment
  CHSC86787  Acmispon americanus var. americanus Jenny Marr; Heidi West 1998-7-2 Tehama Vicinity of Red Bank Creek and Dry Creek. 274 Comment
  CHSC88233  Acmispon americanus var. americanus Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11208 Tehama Near seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  CHSC102242  Acmispon brachycarpus L. P. Janeway 2009-4-21 9809 Tehama Cascade Range Foothills. Tehama Wildlife Area; along Ishi Road 3.5 road km south of Hogback Road; upper slope of an un-named short tributary (from the north) into Antelope Creek. 649 Comment
  CHSC66487  Acmispon parviflorus Vernon H. Oswald; Lowell Ahart 1996-5-20 7603 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Growing in a flood channel along Paynes Creek. 158 Comment
  CHSC88839  Acmispon wrangelianus A. Peterson 2003-4-17 36 Tehama Entrance to Tehama Wildlife Area. Couple miles south of Paynes Creek. UTM: 593600E 4463200N. 624 Comment
  JEPS94493  Aconitum columbianum Vernon Oswald and Lowell Ahart 1997-7-7 8707 Tehama Forest Route 35 at Slide Creek near the ne corner of Yolla Bolly Middle Eel Wilderness Slide Creek; Yolla Bolly Middle Eel Wilderness, Slide Creek 1188 Comment
  CAS-BOT-BC412928  Aconogonon davisiae Clare B. Hardham 1971-8-10 18308 Tehama South Yolla Bolly Mountain 2438 Comment
  CHSC61665  Aconogonon davisiae Vernon H. Oswald; Lowell Ahart 1993-9-2 5907 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. Common in scree on the N side of the ridge near the summit. 2438 Comment
  CAS-BOT-BC412926  Aconogonon davisiae P. A. Munz 1951-7-26 16935 Tehama Just below summit of South Yolla Bolly Pk. 2438 Comment
  CHSC90426  Adenocaulon bicolor Niall McCarten; Roxanne Bittman 1986-6-14 5351 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. S of confluence of Thomes and McClure creeks. 1341 Comment
  CHSC64709  Aesculus californica Vernon H. Oswald 1995-5-22 6755 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Inflorescence from a single shrubby tree growing in basalt rubble at the ne corner of the reserve. 225 Comment
  JEPS97264  Aesculus californica Vernon H. Oswald 1995-5-22 6755 Tehama Cascade Range Foothills, Blue Oak Woodland, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Inflorescence from a single shrubby tree 225 Comment
  UC1608349  Ageratina occidentalis J. Kierstead 1990-9-11 90 -156 Tehama 3 mi ssw Tedoc Mtn. (margin of stream pool); Yolla Bolly R.D. 1524 Comment
  RSA724886  Agoseris glauca var. dasycephala L. Ahart 2006-8-15 13201 Tehama East of Colby Creek, west of poor dirt road, about 3/4 mile northwest of the Snowmoblie Area, about 1.25 miles (air) northwest of Jonesville, about 4.75 miles (air) northeast of Butte Meadows. 1504 Comment
  CAS-BOT-BC13335  Agoseris retrorsa Alice Eastwood; J. T. Howell 1941-7-9 9728 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CHSC102680  Agrostis exarata Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16347 Tehama West side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. T29N R04E, area between southeast 1/4 Section 23 and southwest 1/4 Section 24. 1493 Comment
  UC1543798  Agrostis exarata Harold and Virginia Bailey 1948-8-28 3070 a Tehama in meadow below Ski Hut (near Sulphur Creek campground); Lassen Volcanic National Park 2011 Comment
  CHSC64738  Agrostis hendersonii Vernon H. Oswald; Lowell Ahart 1995-5-9 6712 Tehama Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Dales Lake Ecological Reserve. 213 Comment
  HSC93657  Agrostis hendersonii G. Fred Hrusa, J. Hart 1998-5-10 14408 Tehama Coyote Creek Conservation Area, 1 mi. W of Paskenta Rd., ridge above S side of Coyote Creek. 100 Comment
  UCD148655  Agrostis hendersonii G. F. Hrusa; J. Hart 1998-5-10 14408 Tehama south side of Coyote Creek, Coyote Creek Conservation Area, approximately 1 mile west of Paskenta Road. 100 Comment
  JEPS95719  Agrostis microphylla Vernon H. Oswald and L. Ahart 1995-5-9 6712 Tehama T29N R2W SE1/4 NW1/4 Sec. 26, 700 ft, Cascade Range Foothills, Valley and Foothills Grassland (Wildflower Field), stony Tuscan loam. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  UCD80505  Agrostis microphylla CNPS SN Foothill Team 2005-6-21 SNNR 0377 a Tehama USFS Lassen National Forest. 599 Comment
  JEPS100562  Agrostis microphylla var. intermedia Dean W. Taylor 1991-5-8 11681 Tehama Truckee Creek, near the western end of Tehama Avenue along Rawson Road (ca. 5 miles W of Gerber) 94 Comment
  CHSC94569  Agrostis stolonifera Lowell Ahart 2006-9-9 13253 Tehama On the west side of Colby Creek, west of the dirt road, south of the large man made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows. 1503 Comment
  JEPS124425  Agrostis variabilis Lowell Ahart, John Dittes 2015-8-5 20449 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mountain, 9.77 air-miles south of Lassen Peak. Comment
  JEPS113236  Aira caryophyllea Lowell Ahart, John Dittes, Josephine Guardino 2007-4-3 13628 Tehama On the east side of Brush Creek (a north branch), about 4 miles (air) northeast of the intersection of Highway 99 East and Vina Road, about 7 miles (air) southeast of Los Molinos 112 Comment
  SEINET260834  Aira caryophyllea L. M. Shultz 1990-5-5 11260 Tehama Mendocino Forest ; Corning District; Northern Coastal Range area 305 Comment
  UC1784164  Allium Harold and Virginia Bailey 1948-8-28 3068 b Tehama Lassen Volcanic National Park, near Sulphur Creek campground 2011 Comment
  CAS-BOT-BC131967  Allium John Thomas Howell; R. C. Barneby 1954-5-14 29570 Tehama 9 miles east of Paynes Creek 1005 Comment
  CAS-BOT-BC462235  Allium amplectens Alice Eastwood; John Thomas Howell 1934-4-22 1855 Tehama 7 miles e. of Paynes Creek Comment
  CAS-BOT-BC462236  Allium amplectens Alice Eastwood; John Thomas Howell 1934-4-22 1855 Tehama 7 miles e. of Paynes Creek Comment
  CDA39425  Allium amplectens G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-19 2671 Tehama 23.7 km west of Old Highway 99 on Highway 36, 480 meters east of bridge over South Fork Cottonwood Creek. Comment
  RSA424690  Allium amplectens Aaron Liston, M. A. Blumler 1987-4-24 654 -5 Tehama Hwy 36 between Dales and Paynes Creek; 4-5 miles SW of Dales. Comment
  SEINET7881827 Image available Allium amplectens Helen K. Sharsmith 1954-1 4344 Tehama Southwest ridge leading to Eagle Peak, one mile below summit, Mendocino National Forest.; 0 1067 Comment
  UCD138467  Allium amplectens Pauleen Broyles 1977-4-12 107 Tehama ca. 3 km WSW of Hwy 99, about 17 km north of Chico. 60 Comment
  JEPS56362  Allium bolanderi W. L. Jepson 1899-4-25 Tehama hilltops about Rosewood Comment
  JEPS100798  Allium bolanderi var. bolanderi Dean W. Taylor 1990-4-24 10653 Tehama Manton Plains (just S of Battle Creek), S of Spring Branch Road (Manton Road), adjacent to PG&E natural gas pipeline 295 Comment
  HSC71877  Allium campanulatum Thomas W. Nelson, Jane P. Nelson 1980-6-22 5859 Tehama Shasta-Trinity National Forest, summit of Mt. Tedoc 1585 Comment
  UC1299314  Allium campanulatum Freed W. Hoffman 1947-6-20 1682 Tehama near Government Flat Comment
  CHSC54023  Allium falcifolium Vernon H. Oswald; Lowell Ahart 1991-4-16 4504 Tehama Red Bank Rd, 2.0 mi north of Colyear Springs Rd, north of Paskenta. 286 Comment
  UC7001333  Allium falcifolium Louise Kellogg 1952-7-17 75 Tehama South Yolla Bolly Mountain, Mendocino National Forest, North Coast Ranges Middle Eel-Yolla Bolly Primitive Area, South Yolla Bolly Mtn 2438 Comment
  CAS-BOT-BC469080  Allium falcifolium Alice Eastwood; John Thomas Howell 1941-7-9 9815 Tehama Government Flat Comment
  CAS-BOT-BC476707  Allium validum Alice Eastwood 1912-8-22 1904 Tehama Battle Creek Meadows, Lassen Butte Region Comment
  CHSC80671  Allophyllum divaricatum Lowell Ahart 2001-6-8 8782 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  SEINET10496941  Allophyllum divaricatum Mary Susan Taylor 1980-6-21 Taylor 2935 Tehama Deer Creek junction with Lellinger Road, ca. 19 mi N of Chico. With R. Schlising & T. Griggs. Comment
  CHSC55162  Alopecurus saccatus L. P. Janeway 1991-4-11 3883 Tehama Tablelands on the south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. Battle Creek Wildlife Area. 170 Comment
  CHSC66121  Alopecurus saccatus Vernon H. Oswald; Lowell Ahart 1996-4-29 7490 .1 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. 103 Comment
  UCD55934  Alopecurus saccatus A. A. Beetle 1943-5-15 1953 Tehama r [sic] miles south of Dales on Rt. 36. Comment
  SEINET11689122  Alopecurus saccatus Unknown 1982-1 351 Tehama The Nature Conservancy Vina Plains Preserve, ca 1 km S of Lassen Road 67 Comment
  CHSC116175  Amaranthus albus Lowell Ahart 2015-6-22 20256 Tehama About 1/4 mile north of Lassen Road, about 1.7 miles northeast of the intersection of Lassen Road and State Highway 99-E, about 4 miles (air) east of Vina, about 7 miles (air) southeast of Los Molinos. 74 Comment
  JEPS88270  Amaranthus albus Vernon H. Oswald and Lowell Ahart 1996-6-3 7692 .4 Tehama n.e. Red Bluff (BLM parcel along Hwy. 36; along Paynes Creek at the old bridge site, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 103 Comment
  JEPS106239  Amaranthus powellii Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11212 Tehama On the north side of the Mill Creek Trail (4E10), road north of Mill Creek, about 1/2 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff 653 Comment
  CHSC84619  Ambrosia artemisiifolia Lowell Ahart; John Dittes 2003-9-17 10567 Tehama On a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  HSC95426  Ambrosia artemisiifolia L. Ahart, John Dittes 2003-9-17 10567 Tehama S side of Deer Creek, 400 yards E of Hwy. 99, 5 mi. SE of Los Molinos 61 Comment
  CAS-BOT-BC142917  Amelanchier A. A. Heller 1928-5-30 14569 Tehama Open places in the yellow pine forest at Mineral. 1524 Comment
  CAS-BOT-BC135674  Amelanchier utahensis John Thomas Howell; Alice Eastwood 1941-7-9 9839 A Tehama Near Government Flat Comment
  UCD112906  Amelanchier utahensis Dean W. Taylor 1976-7-9 6038 Tehama At headwaters of Cub Creek. 1859 Comment
  CHSC105664  Ammannia coccinea Lowell Ahart; John Dittes 2010-10-4 17295 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3.0 miles (air) northwest of Vina. 57 Comment
  JEPS121176  Ammannia robusta Lowell Ahart 2013-8-2 18975 Tehama S side of Burris Creek, strand of Black Butte Reservoir, about 1.5 miles SW of the Dam, about 12 air miles NW of Orland. Comment
  JEPS121178  Ammannia robusta Lowell Ahart 2013-8-2 18974 Tehama S side of Burris Creek, strand of Black Butte Reservoir, about 1.5 miles SW of the Dam, about 12 air miles NW of Orland. Comment
  CAS-BOT-BC213986  Amsinckia Alice Eastwood; John Thomas Howell 1934-4-22 1860 Tehama 7 miles e. of Payne's Creek Comment
  CHSC68577  Amsinckia intermedia Vernon H. Oswald; Lowell Ahart 1997-5-14 8443 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 17.8 mi south of Plum Creek Rd., 2.6 mi north of the bridge on Mill Creek at Black Rock. 920 Comment
  CHSC83376  Amsinckia intermedia L. P. Janeway; Shirley Innecken 2002-3-20 7448 Tehama Inner North Coast Ranges. Vicinity of Benner Creek, Thomes Creek, and Round Valley Road. 320 Comment
  JEPS95677  Amsinckia intermedia Vernon H. Oswald 1995-3-27 6549 Tehama ca. 1.5 mi n of Dales Station; Cascade Range Foothills, Dales Lake Reserve; T29N R2W SW1/4 NE1/4 Sec. 26, 720 ft, Cascade Range Foothills, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 219 Comment
  JEPS95678  Amsinckia lycopsoides Vernon H. Oswald 1995-3-27 6553 Tehama T29N R2W SW1/4 NW1/4 Sec. 35, 680 ft, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 207 Comment
  CDA41477  Amsinckia menziesii G. F. Hrusa, J. Hart 2000-4-8 15290 Tehama Sacramento Valley; Coyote Creek Conservation Area. Comment
  CHSC64725  Anagallis arvensis Vernon H. Oswald; Lowell Ahart 1995-5-16 6737 Tehama Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Hwy 36 at Dales Station, ca. 14 mi ne of Red Bluff. Gowing in gravel on the edge of Inks Creek Rd. 213 Comment
  UCD18767  Anagallis minima Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-13 60 Tehama along the Manton Rd. (A6), 2 mi past its intersection with Hwy 36, on a ridge past Dales Lake, Inks Creek site. Comment
  CAS-BOT-BC45084  Anaphalis margaritacea John Thomas Howell 1960-8-18 36101 Tehama Sulphur Works Checking Station 2011 Comment
  OBI55496  Anaphalis margaritacea David J. Keil, Kathleen Keil 1992-7-25 23600 Tehama Lassen Natl forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl park S boundary Comment
  OBI55512  Anaphalis margaritacea David J. Keil, Kathleen Keil 1992-7-25 23600 Tehama Lassen Natl forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl park S boundary Comment
  CHSC68533  Ancistrocarphus filagineus Vernon H. Oswald 1997-4-23 8344 Tehama Forest road M2 7.6 miles W of Paskenta. 701 Comment
  JEPS40584  Ancistrocarphus filagineus Virginia Bailey 1938-4-16 Tehama 6 mi w, on Paskenta-Covelo Rd. Paskenta Comment
  JEPS40587  Ancistrocarphus filagineus W. L. Jepson 1934-5-5 16636 Tehama (w Tehama Co.) Beegum Comment
  CHSC76781  Androsace elongata subsp. acuta J. Marr; H. West 1999-4-13 Tehama Vicinity of Thomes Ck, Round Valley and Garland Rds. 243 Comment
  UC329987  Anemone occidentalis unknown Tehama Red Bluff Comment
  JEPS75776  Anemone oregana Todd Keeler-Wolf and Virginia Keeler-Wolf 1971-6-18 186 Tehama 3/4 mi s North Yolla Bolly Guard Station (along trail); Yolla Bolly Mtns 1767 Comment
  CHSC32157  Anisocarpus scabridus James Jokerst 1980-8-22 1105 Tehama North Coast Ranges. Near Mt. Linn. Comment
  UC1609302  Anisocarpus scabridus Vernon H. Oswald and Lowell Ahart 1993-9-2 5896 Tehama ridge running e from Mt. Linn (ca 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2346 Comment
  CAS-BOT-BC63863  Antennaria argentea A. A. Heller 1928-5-30 I 4565 Tehama At Mineral 1524 Comment
  CAS-BOT-BC63864  Antennaria argentea Alice Eastwood; John Thomas Howell 1941-7-9 9755 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CHSC68929  Antennaria argentea Vernon H. Oswald; Lowell Ahart 1997-7-7 8689 Tehama Forest Road 27N26 0.8 mi west of its junction with 27N06, west of Saddle Campground, near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. 1066 Comment
  UC1609231  Antennaria geyeri Vernon H. Oswald and Lowell Ahart 1993-9-2 5901 Tehama ridge running e from Mt. Linn (ca 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2346 Comment
  CAS-BOT-BC58677  Antennaria geyeri P. A. Munz 1951-7-26 16922 Tehama East side of Yolla Bolly Peak 2316 Comment
  CHSC66208  Antirrhinum cornutum Vernin H. Oswald; Lowell Ahart 1996-6-3 7700 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. 103 Comment
  UC766363  Antirrhinum cornutum R. F. Hoover 1938-6-10 3587 Tehama s of Red Bluff (Coyote Creek bridge) Comment
  CHSC76786  Antirrhinum subcordatum L. P. Janeway; Caroline Warren 1999-6-15 6467 A Tehama Small side ravine along larger canyon on south side of South Fork Cottonwood Creek. 341 Comment
  RSA759884  Antirrhinum subcordatum Barbara Ertter 1991-5-18 9842 Tehama Rosewood Ranch on Salt Creek ca 17 air miles west-northwest of Red Bluff, ca. 1/2 mile south of Highway 36 along creek. 244 Comment
  CHSC88282  Antirrhinum vexillo-calyculatum subsp. breweri Lowell Ahart 2004-6-28 11132 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  HSC97756  Apocynum androsaemifolium Vernon H. Oswald, L. Ahart 1997-7-7 8690 Tehama Forest Route 35 at its junction with FS Rd. 27N06, N of Tomhead Mtn., near the NE corner of the Yolla Bolly-Middle Eel Wilderness 1067 Comment
  CHSC88509  Apocynum cannabinum Jenny Marr; Beth Hendrickson 1999-5-27 Tehama Vicinity of Long Hollow, Grizzly Creek, and Bluedoor Flat, and Red Bank Creek. Along the creek. 289 Comment
  CHSC37626  Aquilegia formosa T. B. Devine 1979-8-12 592 Tehama Ca. 10 mi SW of junction of Hwy 32 and Hwy 89 along tributary of Deer Creek, N of Hwy 32, 1 mi SW of Potato Patch Campground. 1012 Comment
  UC465550  Aquilegia formosa W. P. Taylor 1913-8-2 Tehama 2 mi s Yolla Bolly Mt. Comment
Read comments
Jul 5 2009
  UCD68043  Aquilegia formosa Paul Quiggle 1976-5-24 7 Tehama Lassen National Forest, approximately 35 miles East of Chico, California, 20 ft East of Deer Creek. Found in open sunlight. Comment
  CHSC92779  Arabidopsis thaliana John Dittes; Josephine Guardino 2005-4-13 1064 Tehama Northern Sacramento Valley; south bank of Mill Creek; ca. 0.3 mile east of confluence with Sacramento River; gravel bar in active channel of Mill Creek. 64 Comment
  JEPS13515  Arabis glabra Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-17 5341 Tehama close head of Snake Ridge; Mendocino National Forest, Snake Ridge 1874 Comment
  RSA0125765  Arabis glabra Barbara Ertter, Brad Olson 1991-7-4 10227 Tehama Toomes Camp Road (Mendocino FR 23N01) 13.5 miles west of Paskenta, Mill Creek crossing 0.9 miles west of Elder Cr/Riley Ride junction, about 27 air miles west of Corning. 1311 Comment
  RSA0129804  Arabis platysperma P. A. Munz 1951-7-26 16953 Tehama S slope of South Yolla Bolly Peak. 2317 Comment
  RSA719183  Arabis rectissima L. Ahart 2006-7-19 13041 Tehama About 170 yards northeast of where the dirt road crosses Colby Creek, about 2 air miles southeast of Colby Mountain, about 5 1/8 air miles northeast of Butte Meadows 1541 Comment
  CAS-BOT-BC171646  Aralia californica H. F. Copeland 1920-7-24 s.n. Tehama Woods by Rattlesnake Creek Comment
  UC1078844  Arceuthobium americanum Job Kuijt 1957-5-21 1352 Tehama 7 mi w Hwy 36-89 junction at Lake Almanor Comment
  UC1078847  Arceuthobium americanum Job Kuijt 1957-5-21 1355 Tehama 13 mi w Hwy 36-89 junction at Lake Almanor Comment
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Jul 27 2009
  UC1078779  Arceuthobium campylopodum Job Kuijt 1958-4-20 1503 Tehama ca 2 mi n Hole-in-Ground Campgrounds (s of Mineral) Comment
  UC1078845  Arceuthobium campylopodum Job Kuijt 1957-5-21 1353 Tehama 11 mi w Hwys 36-89 junction at Lake Almanor Comment
  CAS-BOT-BC410003  Arceuthobium campylopodum Robert F. Hoover 1940-9-22 4622 Tehama Paine Creek Comment
  UC1078848  Arceuthobium campylopodum Job Kuijt 1957-5-21 1356 Tehama 15 mi w Hwy 36 - Hwy 89 junction at Lake Almanor Comment
  UC728694  Arctostaphylos X acutifolia Milo S. Baker 1943-8-8 10638 Tehama 1.1 mi nw Log Spring Ranger Station Comment
  UC708947  Arctostaphylos X candidissima Milo S. Baker 1943-8-8 10641 Tehama halfway between Government Flat and Log Spring Ranger Station (near type locality) 1676 Comment
  SEINET10736234 Image available Arctostaphylos acutifolia John Thomas Howell 1943-8-8 Howell 19212 Tehama Log Spring Ridge. 1.1 miles west of Ranger Station, Tehama Co. Comment
  RSA367249  Arctostaphylos canescens C. B. Wolf 1937-5-15 8699 Tehama 1 mi. above Cedar Spring on Paskenta - Covelo Road. 1220 Comment
  CAS-BOT-BC23939  Arctostaphylos canescens subsp. canescens John Thomas Howell 1943-8-8 19213 Tehama Log Spring Ridge, 1.1 miles west of ranger station. Comment
  UC1039827  Arctostaphylos canescens subsp. canescens O. C. Olson 1955-8-30 24 Tehama Elkhorn Ridge Quad 31-C-4 (outside National Forest) 1524 Comment
  JEPS128424  Arctostaphylos canescens subsp. sonomensis Julie Kierstead Nelson with Brad Rust 2015-3-27 2015 -008 Tehama East slope of Tedoc Mountain near summit, SE Klamath Range; Forest Service Road 28N60. Comment
  UCD52037  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1966-3-16 706 Tehama On summit of Round Mountain. Comment
  CHSC68495  Arctostaphylos manzanita subsp. elegans Vernon H. Oswald 1997-3-20 8312 Tehama Round Valley Rd. (M4) 5.8 mi W of Newville Rd., W of Salt Creek Conservation Camp. 457 Comment
  RSA31749  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1942-2-23 16379 Tehama Top of grade east of the Paynes Creek Highway Maintenance Station. Comment
  UC1039824  Arctostaphylos manzanita subsp. manzanita O. C. Olson 1956-2-13 30 Tehama two mi sw Steamboat Point; Quad 40 B-1 548 Comment
  UC1039828  Arctostaphylos manzanita subsp. manzanita O. C. Olson 1956-1-24 28 Tehama one half mi e Townsend; Quad 32 B-4, Hooker Creek 182 Comment
  UC704290  Arctostaphylos manzanita subsp. manzanita Frank A. Pitelka 1943-6-15 205 Tehama 2 mi se Beegum 502 Comment
  RSA257623  Arctostaphylos manzanita subsp. roofii Gary D. Wallace 1975-8-24 1496 Tehama Mendocino N. F. along F.S. Rd. 23N06 2 mi. W. of Davies Ridge, near head of Scott Ck. 1372 Comment
  UCR58364  Arctostaphylos manzanita subsp. wieslanderi Walter Knight, I. Knight 1980-6-14 3765 A Tehama Originally collected from east of Red Bluff Comment
  CAS-BOT-BC39999  Arctostaphylos nevadensis John Thomas Howell 1960-8-18 36045 Tehama Near Lassen Volcanic National Park, Bluff Falls 1981 Comment
  JEPS38872  Arctostaphylos nevadensis Jos. Grinnell 1925-7-1 Tehama Mineral Comment
  UC1037404  Arctostaphylos nevadensis Douglas Barbe 1955-7-21 228 Tehama rocky hill at w shore Square Lake (w Tehama Co.) 2103 Comment
  CAS-BOT-BC44476  Arctostaphylos patula M. B. Kildale 1926-9-11 2718 Tehama Payne's Creek Comment
  CAS-BOT-BC44482  Arctostaphylos patula Doris Kildale Gillespie 1930-5-10 9312 Tehama Turner Mountain near Mineral Comment
  CAS-BOT-BC44485  Arctostaphylos patula Alice Eastwood; John Thomas Howell 1934-4-22 1878 Tehama 4 miles w. of Payne's Creek Comment
  UC1052007  Arctostaphylos patula R. Manning 1954-2-24 5 Tehama Inskip Lookout road Quad 33-B-3 609 Comment
  UC674757  Arctostaphylos patula C. Hart Merriam Sept. 1907 Tehama Inskip Hill Comment
  UCD53317  Arctostaphylos patula subsp. patula Roger Raiche 1985-3-18 RR 50148 Tehama Log Springs Road; west of Paskenta, 13.7 miles west of its origin at the Newville Road. 1463 Comment
  SEINET11987314  Arctostaphylos patula subsp. platyphylla W. Knight, Knight, I. 1980-1 3854 Tehama Tilden Botanic Garden, Berkeley, orig. from Inskip Butte Comment
  HSC71021  Arctostaphylos stanfordiana Thomas W. Nelson, Jane P. Nelson 1979-3-11 4564 Tehama Along Toomes Camp Rd. (23N01), 9 mi. W of Paskenta Comment
  UC2062565  Arctostaphylos viscida subsp. pulchella Belinda Lo with Kellie Eldridge 2017-8-16 374 Tehama TEHEMA COUNTY: Shasta-Trinity National Forest, Tedoc Mountain Botanical Area, along road 29N45. Comment
  SBBG128038  Arctostaphylos viscida subsp. viscida L. Ahart, J. Dittes 2010-7-17 16877 Tehama just S of the gate, ca. 40 yards E of the barn, Soap Crk Ranch, ca. 4.8 mi SE of Manton, ca. 2 mi N of Hwy 36 829 Comment
  UCD56447  Aristida oligantha A. A. Beetle 1942-8-5 3810 Tehama south of Dales on Rt. 36. Comment
  CHSC107085  Aristolochia californica M. Mitchell 2010-2-25 49 Tehama Dye Creek Preserve. 94 Comment
  SEINET11262977  Aristolochia californica J. O. Sawyer, Jane Cole 1979-3-11 3329 Tehama Corning Quad. Woodson Bridge State Recreation Area. Highway A-9. Sacramento River flood plain.; 0 61 Comment
  UCR248768  Arnica Peter Rubtzoff 1978-8-5 9245 Tehama Wilson Lake, on south side of Wilson Lake Road, c. 2.5 miles east of Hwy 36/89, north end of lake near Wilson Lake Road 1611 Comment
  UC726999  Arnica dealbata A. A. Heller 1937-7-21 15932 Tehama Sulphur Works Lassen Volcanic National Park Comment
  POM25186  Arnica dealbata A. A. Heller 1938-7-28 15291 a Tehama Along the Mineral-Mt Lassen Hwy near the jct with the old road. 1829 Comment
  RSA25707  Arnica dealbata C. B. Wolf 1941-7-23 11057 Tehama W of Lake Almanor on road to Red Bluff (CA Hwy 36) at jct with road to Chico (CA 32). 1524 Comment
  CHSC114594  Arnica discoidea B. Adamson 1979-7-10 247 /14/198 Tehama Shasta-Trinity National Forests, Yolla Bolla R.D., Pole Corral Creek. 1615 Comment
  JEPS28769  Arnica nevadensis George W. Gillett 1957-8-13 1066 Tehama Brokeoff Mountain Lassen Volcanic National Park, Brokeoff Mountain 2743 Comment
  JEPS29580  Artemisia douglasiana John Thomas Howell 1960-8-20 36229 Tehama near Lassen National Volcanic Park; Morgan 1463 Comment
  UCD159490  Artemisia douglasiana D. S. Park 2010-8-25 242 -1 Tehama Growing in ditch lining fields/unpaved road adjacent to Doyle Ranch Rd. Wet. Disturbed. 57 Comment
  CHSC55656  Asclepias cordifolia Steven Triano 1988-4-17 75 Tehama Ca 20 ft e of Hwy. 32 and 14.7 mi n of Forest Ranch. 1075 Comment
  CHSC77295  Asclepias eriocarpa L. P. Janeway; B. Castro 1999-6-10 6462 Tehama Flats, vicinity of Dry Creek, west of Red Bank Creek. 292 Comment
  UC1949227  Asclepias eriocarpa Barbara Ertter with Brad Olson 1991-7-5 10302 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [=Stiver's Ranch], ca 15 airmiles WNW of Red Bluff; Long Gulch Comment
  SEINET10928333  Asclepias eriocarpa Alice Eastwood 1912-8-22 Eastwood 1924 Tehama Lassen Butte Region, Payne Creek Comment
  CHSC21255  Asclepias fascicularis M. S. Taylor 1975-10-22 964 Tehama Vina Plains, ca. 16 mi n of Chico. Comment
  CHSC78788  Asclepias fascicularis Julie Cunningham; Heidi West, Natalie Wight 1998-6-25 Tehama Vicinity of South Fork Cottonwood Creek, Dippingvat Flat, and Cooks Flat. 335 Comment
  UC1949228  Asclepias fascicularis Barbara Ertter 1991-9-2 10802 Tehama 2.2 mi SW of Paskenta on road over Mendocino Pass to Round Valley, SE of William Butte Comment
  SEINET1909985  Asparagaceae Barbara Ertter 1991-1 9870 Tehama Tehama Co.: Vassar Road junction on Hwy 36 16.5 mi W of Red Bluff. 244 Comment
  RSA739804  Aster subulatus var. ligulatus John Dittes, Josephine Guardino 2008-10-8 1547 Tehama Northern Sacramento Valley, E bank of Sacramento River at Southern edge of Mill Creek confluence 63 Comment
  CAS-BOT-BC177278  Astragalus accidens var. hendersonii Alice Eastwood; John Thomas Howell 1934-4-22 1868 Tehama Paynes Creek Comment
  CDA26634  Astragalus clevelandii L. Ahart 2004-6-3 11151 Tehama On the east side of Road M2, about 9 miles west of Paskenta. Comment
  RSA699793  Astragalus clevelandii L. Ahart 2004-6-30 11151 Tehama About 9 miles west of Paskenta. 883 Comment
  CHSC43098  Astragalus gambelianus Pauleen Broyes 1985-4-11 941 B Tehama The Nature Conservancy Vina Plains Preserve. SE of 'safe' pool in 'safe' pasture. Comment
  CHSC70879  Astragalus gambelianus Vernon Oswald; Lowell Ahart 1998-4-21 8922 Tehama Inner North Coast Ranges. Newville Rd. west of Newville, 2.2 mi north of the Glenn-Tehama county line, 1.9 mi south of Round Valley Rd. 213 Comment
  JEPS104022  Astragalus gambelianus Lowell Ahart 2003-4-17 10114 Tehama Along the trail, on the n side of Dye Creek, ca 1/2 mi e of the Dye Creek buildings, Dye Creek Preserve, ca 6 mi (air) ne of Los Molinos. 174 Comment
  POM45784  Astragalus lemmonii Marcus E. Jones 1897-8-9 1646 Tehama Yani Reservation Comment
  JEPS54849  Astragalus pauperculus W. L. Jepson 1932-5-9 16348 Tehama ne about 10 mi Red Bluff ((near 7-Mile Creek)); ne of Red Bluff, near 7-Mile Creek 137 Comment
  JEPS88443  Astragalus pauperculus Vernon H. Oswald and Lowell Ahart 1996-4-8 7342 Tehama BLM parcel along Hyw. 36 n.e. Red Bluff (mudflow on s. side of gravel rd. 1.3 mi. w. of parking lot on Hwy. 36); Cascade Range Foothills, Hog Lake Plateau 268 Comment
  RSA121620  Astragalus purshii var. tinctus G. D. Barbe 1955-7-16 184 Tehama On the E ridge leading to the summit of S Yolla Bolly (Mt. Linn) 2287 Comment
  CHSC60083  Astragalus rattanii var. jepsonianus P. L. Lester 1980-3-31 10 Tehama Salt Creek Saddle, ca 10 yds w of Round Valley Rd, ca 5.5 mi sw of jct with Newville Rd, ca 7.5 mi sw of Paskenta. 449 Comment
  JEPS21031  Astragalus rattanii var. jepsonianus W. L. Jepson 1899-4-27 13756 Tehama Salt Gulch Yollo Bolly Mountains, Greasewood Hills, Salt Gulch (Greasewood Hills, Yollo Bolly Mountains, western Tehama County) Comment
  HSC81949  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-6-25 4884 Tehama Along road to Mt. Tedoc From Tedoc Gap 1494 Comment
  UC1299228  Astragalus whitneyi var. siskiyouensis Freed W. Hoffman 1949-7-21 3050 Tehama Summit Mt. Tedoc North Coast Ranges, Summit Mt. Tedoc (North Coast Ranges, western Tehama County) Comment
  UCSB25956  Asyneuma prenanthoides Wilken, Dieter; Haller, John 1968-9-12 Tehama Along California Highway 36, 37.4 miles east of Red Bluff 1249 Comment
  JEPS127316  Athyrium distentifolium var. americanum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21360 Tehama About 50 yards south of Bluff Falls, about 1 miles south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. Comment
  CAS-BOT-BC66028  Athyrium filix-femina var. cyclosorum C. R. Quick 1953-8-5 53 -101 Tehama ca. 4 mi. w. of Mineral 1310 Comment
  JEPS97455  Athysanus pusillus Vernon H. Oswald and L. Ahart 1995-2-13 6479 Tehama Dales Lake Ecological Reserve. T29N R2W NW1/4 NE1/4 Sec. 26, 740 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 225 Comment
  CHSC86046  Avena barbata Jenny Marr; Caroline Warren 1998-4-28 Tehama Vicinity of upper North Fork Stony Creek, Newville Road, and Round Valley Road. 198 Comment
  RSA295407  Avena barbata J. R. Reeder, C. G. Reeder 1981-5-20 7357 Tehama ca. 6.5 km SW of Dales. 240 Comment
  CHSC60179  Balsamorhiza deltoidea Bob Garamendi 1974-5-11 52 Tehama Mill Creek and Deer Creek Study Area. 200 yds S from Bucks Flat Rd. on Deligreen Jeep Trail. 853 Comment
  RSA716327  Balsamorhiza deltoidea David W. Isle 1996-7-17 1028 Tehama Road 25N17, NE of Cold Spring and Cold Spring Station. 100 yards east of Ball Rock 2012 Comment
  CDA10420  Balsamorhiza sagittata D. Isle 1996-7-17 Tehama North Coast Ranges; Mendocino National Forest - Elder Creek Watershed. Road 25N17, northeast of Cold Spring and Cold Spring Station. 100 yards east of Ball Rock. Comment
  CHSC21471  Barbarea orthoceras M. S. Taylor 1975-7-17 857 Tehama In Carter Meadows, ca. 1/2 mi e of Butte Mountain, ca. 5 mi s of junc of Hwys 32, 36, and 89. 1828 Comment
  CHSC56973  Barbarea orthoceras Steven Triano; Stefani Eiben 1988-5-7 161 Tehama Ca 20 ft n of Hwy. 36 and 10.9 mi w of Mineral. 1146 Comment
  JEPS42572  Barbarea orthoceras J. Grinnell 1927-6-16 Tehama Mineral 1463 Comment
  RSA123553  Barbarea orthoceras G. D. Barbe 1955-7-22 252 Tehama Just E of Long Lake; N slope of South Yolla Bolly (Mt. Linn). 2134 Comment
  RSA759896  Barbarea orthoceras Barbara Ertter, Brad Olson 1991-7-4 10228 Tehama Toomes Camp Road (Mendocino FR 23N01) 13.5 miles west of Paskenta, Mill Creek crossing 0.9 miles west of Elder Cr/Riley Ride junction, about 27 air miles west of Corning. 1311 Comment
  JEPS95942  Barbarea verna Vernon H. Oswald and L. Ahart 1999-4-21 9718 Tehama FS 28N23 at Oak Creek in the Tehama State Wildlife Area southeast of the town of Paynes Creek: T28N R1E SW1/4 Sect. 10, 2500 ft, brushy blue oak woodland 762 Comment
  HSC74850  Berberis aquifolium var. repens J. P. Smith, Thomas W. Nelson 1978-7-22 10038 Tehama Shasta-Trinity National Forest. On the road to Mt. Tedoc 1585 Comment
  JEPS124114  Bergia texana Lowell Ahart, John Dittes 2015-6-22 20265 Tehama About 1/4 mile north of Lassen Road, about 1.7 miles northeast of the intersection of Lassen Road and State Highway 99-E, about 4 miles (air) east of Vina, about 7 miles (air) southeast of Los Molinos. Comment
  UCD169798  Bidens cernua Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16305 Tehama On the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles(air) south of Lassen Peak. West side of pond. 1493 Comment
  JEPS32532  Bidens frondosa W. L. Jepson 1929-9-27 15285 Tehama Manton, edge of streamlet 853 Comment
  CHSC40514  Blennosperma nanum Pauleen Broyles 1982-3-5 338 Tehama The Nature Conservancy Vina Plains Preserve. At S tip of preserve near access road. 60 Comment
  CHSC65659  Blennosperma nanum var. nanum Vernon H. Oswald 1996-3-20 7247 Tehama Thomes Creek Ecological Reserve. Northwest side of Sacramento Valley, Corning. Ca. 0.7 mi S of Gyle Rd., near the dirt lane bordering the W side of the parcel. 106 Comment
  SEINET3402322  Blennosperma nanum var. nanum R. W. Spellenberg, N. Zucker 2011-4-16 14279 Tehama Kirkwood Rd. (old Hwy. 99) 7.5 km S of Solano St. in Corning. 75 Comment
  HSC79328  Blennosperma nanum var. nanum J. Heywood, D. H. Norris 1968-3-31 1894 Tehama Oak Parkland; Hwy. 36, 49 miles east of Shasta Co. Line Comment
  HSC85813  Blennosperma nanum var. nanum Sandy Floyd, Tom Munton, T'ai Roulston 1987-3-28 59 Tehama Hwy. 36, mile marker 51.50, 10 miles E of Red Bluff Comment
  UCD114364  Boechera breweri Dean W. Taylor 1976-7-7 6050 Tehama Headwaters of Cub Cr. 1859 Comment
  UC1051685  Boechera breweri subsp. breweri Helen K. Sharsmith 1953-6-24 4352 Tehama Ovenlid summit Inner North Coast Ranges, Mendocino National Forest 1920 Comment
  CHSC61715  Boechera howellii Vernon H. Oswald; Lowell Ahart 1993-9-2 5909 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. On the N side of the ridge near the summit. 2438 Comment
  CHSC61413  Boechera lemmonii Vernon H. Oswald; Lowell Ahart 1993-8-18 5840 Tehama Summit ridge of Mt. Conard near the S boundary of the park. Along the ridge S of the highest point. 2490 Comment
  CAS-BOT-BC14420  Boechera platysperma John Thomas Howell 1960-8-18 36093 Tehama Lassen Volcanic National Park. Sulphur Works Entrance Station. 2011 Comment
  CHSC90436  Boechera platysperma Niall McCarten; Roxanne Bittman 1986-6-15 5437 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. South side of Forest Rd. 25N29. 2011 Comment
  UCD114437  Boechera platysperma John Thomas Howell 1960-8-19 36162 Tehama Brokeoff Mountain trail. 2682 Comment
  CAS-BOT-BC14416  Boechera platysperma P. A. Munz 1951-7-18 16637 Tehama Line of Tehama - Trinity County. North Yolla Bolly Mountains. North slope of North Yolla Bolly Peak. 1981 Comment
  JEPS75819  Boechera sparsiflora Todd and Virginia Keeler-Wolf 1971-6-19 189 Tehama about 0.5 mi s North Yolla Bolly Guard Station; Yolla Bolly Mountains 1767 Comment
  CHSC38027  Boechera suffrutescens R. E. Preston 1982-7-14 326 Tehama Lassen Park, on trail to Brokeoff Mtn. 2194 Comment
  SEINET12194728  Boisduvalia stricta Unknown 1982-1 553 Tehama The Nature Conseervancy Vina Plains Preserve. 0.75 km S of Lassen road in central pasture, T24N, 70 Comment
  JEPS121752  Bolboschoenus glaucus R. A. Schlising, C. Warren 1995-7-31 4660 Tehama TEHAMA COUNTY, California. About 2 mi N of Butte County line, off Hwy 99; Vina Plains Preserve. Comment
  CDA1761  Bothriochloa laguroides D. E. Moore, J. C. Carlton 1974-10-2 Tehama Kirkwood Road south of Corning. 0 Comment
  CHSC115789  Botrychium multifidum Lowell Ahart; John Dittes 2015-8-6 20515 Tehama On the north side of the small stream, about 50 yards east of the spring, east of the camping area, west side of Child's Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  CHSC117715  Brickellia californica Lowell Ahart; John Dittes 2016-8-25 21295 Tehama East of the parking area, about 170 yards west of the Sacramento River, Anderson River Park, 0.7 miles (air) upstream from Stillwater Creek Confluence 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  RSA739762  Brickellia grandiflora John Dittes, Josephine Guardino, L. Ahart 2003-8-23 800 Tehama High N Coast Range, Yolla Bolly Middle Eel Wilderness, S Yolla Bolly Mtns, N slope of Mt. Linn 2140 Comment
  CAS-BOT-BC127686  Brickellia greenei John Thomas Howell 1960-8-18 36025 Tehama Bluff Falls 1981 Comment
  HSC81834  Brickellia greenei Thomas W. Nelson, Jane P. Nelson, R. J. Cole 1979-7-27 5054 Tehama Along ridge at Pole Corral Gap 1311 Comment
  CHSC64643  Briza minor Vernon H. Oswald; Lowell Ahart 1995-4-3 6596 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. 207 Comment
  JEPS88349  Briza minor Vernon H. Oswald and Lowell Ahart 1996-4-15 7383 Tehama CDFG parcel on s side Gyle Rd. (at w boundary just n of intermittent stream, nw of Corning, nw side of Valley); Sacramento Valley, Thomes Creek Ecological Reserve 105 Comment
  CHSC52362  Brodiaea coronaria Pauleen Broyles 1987-4-29 1021 Tehama Betweem the barn and Sheep Camp Ditch. The Nature Conservany Vina Plains Preserve. Comment
  UCD77200  Brodiaea coronaria Robert E. Preston 2004-5-8 2232 Tehama 5 mi S of Corning, along Hwy 99W, 0.14 mi N of jct with Capay Rd. 67 Comment
  SEINET4404016  Brodiaea douglasii Leila M. Shultz 1990-5-3 11323 Tehama North Coast Ranges; Mendocino Forest 305 Comment
  CAS-BOT-BC484281  Brodiaea elegans subsp. elegans R. F. Hoover 1965-5-29 9411 Tehama Dribble Creek near Red Bluff Comment
  RSA376762  Brodiaea elegans subsp. elegans George Willet 1935-6-29 s.n. Tehama E of Red Bluff. Comment
  CHSC80105  Brodiaea minor B. Castro; L. P. Janeway 2000-5-9 1144 Tehama Vicinity of Orland, Black Butte Lake, Rice and Brannin Creek. 112 Comment
  UC1442882  Brodiaea nana Theodore F. Niehaus 1966-4-23 639 Tehama 0.8 mi E of Balls Ferry Bridge on Sacramento River Comment
  HSC102684  Bromus catharticus J. P. Smith 2013-5-5 13698 Tehama Walnut orchard on the outskirts of Vina. 68 Comment
  CHSC113351  Bromus catharticus var. catharticus Lowell Ahart 2014-5-8 19453 Tehama About 1/10 mile north of the restroom and the paved road to Berris Creek, west of Berris Creek, south of Kendrick Creek, strand of Black Butte Reservoir, about 12 miles (air) southwest of Corning. 148 Comment
  CHSC65001  Bromus commutatus Vernon H. Oswald; Lowell Ahart 1995-7-12 7009 Tehama Inner North Coast Ranges. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 3.5 mi S of Hwy. 36. On a roadside bank. 981 Comment
  SEINET10565918  Bromus japonicus Vernon H. Oswald, Lowell Ahart 1995-7-12 Oswald 7009 Tehama T29N R9W NE1/4 Sec. 33, Inner North Coast Ranges, Chaparral, serpentine-derived soil. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 3.5 mi S of Hwy. 36. Locally common in a clayey soil on a roadside bank. 981 Comment
  CHSC108654  Bromus laevipes B. Castro; L. P. Janeway 2000-6-15 1299 A Tehama Inner North Coast Ranges. Ca 7.1 mi w of Paskenta along Rd M2, at Beehive Flat. 670 Comment
  CHSC66136  Bromus laevipes Vernon H. Oswald; Lowell Ahart 1996-5-6 7519 .1 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On a slope bordering Paynes Creek at this location. 128 Comment
  JEPS88106  Bromus madritensis subsp. madritensis Vernon H. Oswald and Lowell Ahart 1996-5-6 7509 Tehama BLM parcel along Hwy. 36 n.e of Red Bluff (0.1 mi n of gravel road and 0.1 mi w of the Jeep Trail, Cascade Range Foothills, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 213 Comment
  CHSC82316  Bromus madritensis subsp. rubens Lowell Ahart 2002-4-27 9554 Tehama About 10 yards northwest of the cattle guard, northwest of where the road is wide and one can park, on the west side of the dirt road that leads to the tower, east of Road M2, about 8 miles west of Paskenta. 609 Comment
  UC523872  Bromus orcuttianus C. R. Ball 1932-7-23 655 Tehama 21 mi w of Mineral (Paine's Creek); Paine's Creek Comment
  CHSC80714  Bromus pseudolaevipes Lowell Ahart 2001-6-8 8799 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS106209  Bromus pseudolaevipes Lowell Ahart 2004-6-1 10987 Tehama Burned area on the west side of road M2, about 5 1/2 miles (air) west of Paskenta 883 Comment
  CHSC64737  Bromus racemosus Vernon H. Oswald; Lowell Ahart 1995-5-16 6727 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. In bed of the intermittent stream w of the lone blue oak. 201 Comment
  JEPS97267  Bromus racemosus Vernon H. Oswald and L. Ahart 1995-5-16 6727 Tehama T29N R2W NW1/4 NW1/4 Sec. 26, 660 ft, Cascade Range Foothills, stony Tuscan loam. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 201 Comment
  CHSC88524  Bromus tectorum Jenny Marr; Caroline Warren 1999-4-28 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 289 Comment
  CHSC96688  Bromus tectorum Lowell Ahart 2007-5-8 13749 Tehama Along flood plain of Dibble Creek, about 100 yards north of Highway 36, about 3.7 miles west of the intersection of Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  UCD59771  Bromus tectorum var. glabratus Milo S. Baker 1941-7-1 10013 Tehama Upland on low ridge south of camp at Plaskett Meadows. Comment
  UC1010392  Cacaliopsis nardosmia Milo S. Baker and H. K. Wagnon 1953-6-21 12780 Tehama Whiskey Saddle, logging rd w of Paskenta 1448 Comment
  JEPS13518  Cacaliopsis nardosmia Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-17 5339 Tehama Red Bluff; Mendocino National Forest 1889 Comment
  CHSC94097  Calandrinia ciliata Lowell Ahart 2006-7-11 12947 Tehama On the high east bank of Colby Creek, about 50 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1518 Comment
  SJSU5597  Calandrinia ciliata J. W. Tilden 1960-6-26 1474 Tehama Wilson L 1524 Comment
  CAS-BOT-BC438336  Calandrinia ciliata L. E. Smith 1915-4-25 s.n. Tehama Red Bluff Comment
  CHSC26613  Callitriche hermaphroditica M. P. Hayes 1978-3-17 132 Tehama In Leininger road vernal pool, approx. .8 mi e of Highway 99. 40 Comment
  CHSC79275  Callitriche marginata B. Castro; C. Warren 2000-4-13 1071 Tehama Vicinity of Black Butte Dam and Stony Creek. 115 Comment
  CHSC60292  Calocedrus decurrens Mary Ann Showers 1992-6-26 2585 Tehama Along West Sulfur Creek east of Sulfur Works Entrance Station. Lassen Volcanic National Park. 1828 Comment
  CHSC54116  Calochortus amabilis Vernon H. Oswald; Anne-Lise Feenstra 1991-5-22 4607 Tehama Colyear Springs Rd 4.0 miles west of Lowrey Rd, north of Paskenta. 283 Comment
  SEINET3885026  Calochortus coeruleus var. fimbriatus Louise Kellogg 1952-7-9 7 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge directly south of South Yolla Bolly Mountain.; 0 2134 Comment
  CAS-BOT-BC489963  Calochortus leichtlinii H. F. Copeland 1920-7-17 85 Tehama forest on Butt Mt 1828 Comment
  CDA15424  Calochortus luteus G. F. Hrusa, J. Hart 1998-5-1 14410 Tehama Sacramento Valley; Ridge approx. 1/4 mi. S of Coyote Creek, Coyote Creek Conservation Area, and ~1 mi. W of Paskenta Rd. Comment
  SEINET7073577  Calochortus luteus A. G. Vestal 1955-5-19 s.n. Tehama About 10.7 miles west-southwest of Payne Creek and 0.5 miles south on Dales on Route 36. UTM Zone 10, 576092mE, 4461114mN. Coordinate datum: NAD27. Comment
  CAS-BOT-BC492649  Calochortus luteus Ethel Wickes 1917-6-1 s.n. Tehama Red Bluff Comment
  CAS-BOT-BC492653  Calochortus luteus L. E. Smith 1915-5-27 s.n. Tehama Red Bluff Comment
  RSA125981  Calochortus luteus E. K. Balls 1957-5-24 22536 Tehama 12.2 miles northwest from junction State Highway 36 and U.S. Highway 99 244 Comment
  CHSC64640  Calochortus monophyllus Vernon H. Oswald; Lowell Ahart 1995-4-25 6682 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. 225 Comment
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Feb 26 2020
  CHSC88831  Calochortus superbus Pat Sater 2001-5-5 Tehama Tehama Wildlife Area. At the intersection of Powerline Road and Cottonwood jeeptrail. UTM: 10 0592800 E, 4449256 N. 621 Comment
  UC2013026  Calochortus superbus Barbara Ertter 1990-5-12 8928 Tehama NW side of Dry Fork Creek NW of junction of Highway 36 and Route A5 (Bowman Road) ca 15 air miles WNW of Red Bluff, on Reed property. Comment
  RSA49232  Calochortus superbus Philip A. Munz 1949-5-14 13196 Tehama 5 miles N of Red Bluff Comment
  JEPS109380  Calochortus syntrophus D. W. Taylor 2010-6-23 20892 Tehama Hwy 36 1 mile W of Lassen Lodge, N side of highway near the junction with Little Giant Mill Road. Comment
  UC583461  Calochortus tolmiei Elmer I. Applegate 1932-4-13 7048 Tehama Begum Comment
  UCD112390  Calochortus tolmiei Christopher Mallek 2008-5-7 RR4- 5 Tehama Raglin Ridge. 927 Comment
  CAS-BOT-BC494343  Calochortus tolmiei Josh Suchocki; Charlene Vullo; Kyle Wear 1995-4-22 58 Tehama Near Begum Creek 396 Comment
  HSC15382  Calochortus tolmiei Louise Kellogg 1952-7-9 7 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge directly S of S Yolla Bolly Mtn. 2134 Comment
  CHSC84659  Calochortus venustus Samantha Mackey Hillaire; Brian Elliott 2003-5-31 341 Tehama Lassen National Forest, Ishi Wilderness. Rancheria Creek Trail on a S-facing slope. Along the trail. 902 Comment
  SEINET10965661  Caltha howellii Mary Susan Taylor 1975-7-17 Taylor 851 Tehama Carter Meadows, ca. 0.5 mi E of Butte Mountain, ca. 5 mi S of junction of Hwys 32, 36 and 39. Montane Coniferous Forest. 1829 Comment
  CAS-BOT-BC175775  Caltha leptosepala C. R. Quick 1950-6-17 50 -30 Tehama Edge of Mill Creek Meadow, W of Gurnsey Camp Ground, Lassen National Forest Comment
  CHSC21149  Caltha leptosepala var. biflora M. S. Taylor 1975-7-17 851 Tehama Carter Meadows, ca. 1/2 mi e of Butte Mountain, ca. 5 mi s of junc of Hwys 32, 36, and 89. In meadow. 1828 Comment
  JEPS121171  Calycadenia ciliosa Lowell Ahart 2013-8-2 18999 Tehama W side of Burris Creek, strand of Black Butte Reservoir, about 1.5 miles SW of the Dam, about 12 air miles NW of Orland. Comment
  CDA14331  Calycadenia fremontii G. F. Hrusa, J. Hart 1998-5-1 14425 Tehama Sacramento Valley; S side of Coyote Creek, Coyote Creek Conservation Area, approx. 1.5 mi. W of Paskenta Rd. Comment
  CHSC91067  Calycadenia fremontii D. Isle 2004-8-12 277 Tehama Mendocino National Forest--North Coast Ranges. Elder Creek Watershed. GPS: 10S 050954E 4430832N, Raglin Ridge Rd. 693, 0.2 mi. NE of Rd. crossing N. Fork Elder Creek. 426 Comment
  JEPS118682  Calycadenia fremontii L. P. Janeway 2011-9-27 10748 Tehama Inner North Coast Ranges. Above one of the northern arms of Black Butte Lake, Irwin Road access, 1.3 km south of Newville Road. Black Butte Dam 7.5' quad. Comment
  CAS-BOT-BC273400  Calycadenia fremontii R. L. Carr 1978-7-7 2117 Tehama Los Molinos, 300 yds S of rd between Los Molinos and Tehama 64 Comment
  UC1876209  Calycadenia fremontii Gerald D. Carr 1974-9-11 777 Tehama 0.6 mi S of Luce and Griswold Rd on Hwy A5. Comment
  UC1971700  Calycadenia fremontii 1980-9-12 2199 Tehama N of Red Bluff on Jelly Ferry Road, 2.3 mi N of Bend Ferry Road, at mailbox of Nunes Ranch, Route 1, Box 3550, along a dry creek crossing 122 Comment
  UCD129766  Calycadenia fremontii R. L. Carr 1978-7-7 2117 Tehama Los Molinos, 300 yards south of road between Los Molinos and Tehama, Sacramento River. 64 Comment
  CAS-BOT-BC270862  Calycadenia pauciflora Milo S. Baker; K. Wagnon 1953-7-12 12908 Tehama Logging road W of Paskenta between 7 and 8 mile posts 457 Comment
  CDA10578  Calycadenia pauciflora L. Ahart 2001-6-8 8760 Tehama On the west side of road M2, about 9 miles west of Paskenta. Comment
  CHSC85290  Calycadenia pauciflora John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 780 Tehama Inner North Coast Range; ca. 3.9 air-miles west by southwest of Paskenta, ca. 3.6 air-miles south by southeast of Eagle Peak, ca. 1.4 air-miles north of confluence of Thomes Creek and Mill Creek; Crowfoot Point, south of Toomes Camp Road. Road edge. 576 Comment
  RSA255563  Calycadenia pauciflora Gerald D. Carr 1973-7-23 741 Tehama 11.6 miles NW of Paskenta on Toomes Camp Road 1067 Comment
  RSA93136  Calycadenia pauciflora Milo S. Baker, H. K. Wagnon 1953-6-20 12743 Tehama Logging rd. west of Paskenta near 8th or 9th mile post. Comment
  UC1876238  Calycadenia pauciflora Gerald D. Carr 1973-6-23 741 Tehama 11.6 mi NW of Paskenta on Toomes Camp Rd. 1066 Comment
  UCD129817  Calycadenia pauciflora Gerald D. Carr 1971-8-19 645 Tehama 8.0 miles southwest of Paskenta via Round Valley Road. Along road to Mud Flat Campground. 502 Comment
  UCD129854  Calycadenia pauciflora Gerald D. Carr 1973-6-23 740 Tehama 1.4 miles northeast of Glenn County line on West Black Butte Road. 213 Comment
  UCD129855  Calycadenia pauciflora Gerald D. Carr 1973-6-23 741 Tehama 11.6 miles northwest of Paskenta on Toomes Camp Road. 1066 Comment
  UCD129857  Calycadenia pauciflora Gerald D. Carr 1973-7-2 747 Tehama 1.5 miles south of Vestal Road on Weemasoul Road. 381 Comment
  UCD80036  Calycadenia spicata CNPS SN Foothill Team 2005-6-16 Survey Tehama Tehama State Wildlife Area, road out near Oak Creek. Comment
  CHSC66874  Calycadenia truncata Vernon Oswald; Lowell Ahart 1996-9-4 8252 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy 36 NE of Red Bluff. 167 Comment
  CHSC77300  Calycadenia truncata L. P. Janeway; B. Castro 1999-6-9 6458 Tehama Vicinity of Dry Creek, west of Red Bank Creek. 316 Comment
  CHSC77723  Calycadenia truncata B. Castro; L. P. Janeway 1999-6-9 969 Tehama About 18 air miles SW of Red Bluff, vicinity of the confluence of Dry and Red Bank Creeks, near the 'water gap' on Dry Creek. 292 Comment
  CHSC96327  Calycadenia truncata L. P. Janeway 2006-8-20 8855 Tehama High Cascade Range. Ridge top between Deer Creek and Ninemile Creek, overlooking Devils Parade Ground from the southeast; about 80 m west of Road 26N15 8.0 road km southwest of Soda Springs and Hwy 32. Rocky gravelly eroding volcanic northwest-facing ridge top. 1082 Comment
  JEPS102855  Calycadenia truncata Lowell Ahart 2001-6-16 8848 Tehama North of the dirt road, about 5 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1082 Comment
  RSA767790  Calycadenia truncata L. Ahart, John Dittes 2010-7-19 16887 Tehama About 20 yards south of the poor road crossing, on the west bank of the South Fork of Battle Creek, about 3.3 air miles southwest of Manton, about 4.2 air miles north of Highway 36 and Lane Valley Road intersection. 433 Comment
  JEPS108200  Calycadenia truncata David Gowen 2005-6-25 467 Tehama HWY 36 near mile post 6.5 from Shasta Co. Comment
  RSA788199  Calycadenia truncata R. L. Carr 1977-7-4 2024 Tehama 2.2 mi W of Paynes Rd Jct on Hwy 36 (milepost 61.80, ca. 17.9 mi NE of Red Bluff, jct Hwy 99). Along road from here to milepost 68+. 464 Comment
  UCD129883  Calycadenia truncata R. L. Carr 1977-7-4 2024 Tehama 2.2 miles west of Paynes Road Junction on Highway 36 (milepost 61.80, around 17.9 northeast of Red Bluff, junction Hway 99). 464 Comment
  CHSC117170  Calycanthus occidentalis Lowell Ahart; John Dittes 2016-6-22 21031 Tehama At the fish ladder on Deer Creek, about 0.9 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. 911 Comment
  JEPS81108  Calycanthus occidentalis J. P. Smith and T. W. Nelson 1978-7-22 10043 Tehama Weston Ranch; Shasta-Trinity National Forest, Yolla Bolly Quad. 1341 Comment
  CHSC44228  Calyptridium monospermum Vernon Oswald 1988-6-27 3525 Tehama Trail between Ides Cove Trailhead and 25N16 along the e side of the Yolla Bolly- Middle Eel Wilderness w of Paskenta. 2133 Comment
  HSC103786  Calystegia atriplicifolia subsp. buttensis L. P. Janeway 2006-6-25 8710 Tehama High Cascade Range. Along Cohasset Rd. 1.2 road km. and 0.4 air km. NE of upper northern tip of Cohasset Ridge. 1109 Comment
  JEPS113306  Calystegia malacophylla subsp. malacophylla L. P. Janeway 2006-6-25 8707 Tehama High Cascade Range. North slope ridge off the northern tip of cohasset Ridge, about 1.0 km southeast of Devils Den. Comment
  JEPS88095  Calystegia occidentalis subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1996-5-20 7579 Tehama Hog Lake Plateau. BLM parcel along Highway. 36 NE of Red Bluff. Cascade Range Foothills. Comment
  CHSC61390  Camassia quamash subsp. quamash Vernon H. Oswald; Lowell Ahart 1993-8-11 5792 .1 Tehama N end of Spencer Meadow extending into Lassen Volcanic National Park E of Mt. Conrad and S of Twin Meadows. 2023 Comment
  JEPS90064  Camissonia contorta Dean W. Taylor 1991-4-11 11607 Tehama w base of Tuscan Buttes, in ('Seven Mile Lake'), Sacramento Valley Tuscan Buttes; Sacramento Valley, Tuscan Buttes 286 Comment
  CHSC80667  Camissoniopsis hirtella Lowell Ahart 2001-6-14 8826 Tehama On the west side of the dirt road that leads to the tower, on the east side of road M2, about 8 miles west of Paskenta. 609 Comment
  JEPS102411  Camissoniopsis hirtella Lowell Ahart 2001-6-8 8781 Tehama On the east side of road M2, about 9 miles west of Paskenta. 762 Comment
  JEPS102867  Campanula griffinii Lowell Ahart 2011-6-8 8812 Tehama On the W side of road M2, ca 9 miles W of Paskenta. 792 Comment
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Aug 3 2007
  JEPS103590  Campanula griffinii Lowell Ahart 2002-4-27 9570 Tehama Near a wash and a large rock outcrop, ca 100 yards from the E side of Road M2 and 20 yards E of the poor dirt road used to service the pole line, ca 350 yards NW of the dirt road that leads to the tower, ca 8 miles W of Paskenta. 609 Comment
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Aug 3 2007
  JEPS113308  Campanula prenanthoides L. P. Janeway 2006-6-25 8713 Tehama High Cascade Range. Along Cohasset Road 1.2 road km and 0.4 air km northeast of the upper northern tip of Cohasset Ridge. Comment
  SD211575  Campanula prenanthoides Barbara Ertter, Brad Olson 1991-7-5 10340 Tehama Twin Springs watertank, Raglin Ridge Road 5.7 miles above North Fork Elder Creek crossing, circa 25 airmiles Southwest of Red Bluff. 1250 Comment
  JEPS113182  Carduus pycnocephalus subsp. pycnocephalus Lowell Ahart, John Dittes, Andrea Craig 2007-5-13 13833 Tehama About 120 feet west of a poor dirt road, about 100 yards north of Manton Road, about 3.9 miles east northeast of the intersection of Manton Road and Wildcat Road, about 2 miles (air) southwest of Manton 256 Comment
  UCD112393  Carex Christopher Mallek 2008-5-7 RR4- 7 Tehama Raglin Ridge. 927 Comment
  CHSC106468  Carex amplifolia Peter F. Zika 2009-8-18 24509 Tehama Cascade Range Highlands (CaRH). Shaded seep, above Route 32, east of Mill Creek Plateau, near Potato Patch campground, above Deer Creek. 1160 Comment
  CHSC44212  Carex angustata Vernon Oswald 1988-6-30 3547 Tehama Meadow is located along Willow Creek ca. 0.1 mi n of the Butte County line. 1560 Comment
  SEINET7549698 Image available Carex angustata David Castaner 1984-5-28 8063 B Tehama Gurnsey Creek along Highway 36. Comment
  CHSC65070  Carex aurea Vernon H. Oswald; Lowell Ahart 1995-7-17 7088 Tehama High Cascade Range. Forest Road 30N16 0.5 mi N of Hwy. 36, ca. 2 mi NE of Mineral. 1572 Comment
  JEPS97362  Carex aurea Vernon H. Oswald and L. Ahart 1995-7-17 7088 Tehama T29N R4E SW1/4 SE1/4 Sec. 20, 5160 ft, High Cascade Range, Yellow Pine Forest, volcanic soils. Forest Road 30N16 0.5 mi N of Hwy. 36, ca. 2 mi NE of Mineral 1572 Comment
  JEPS63511  Carex barbarae W. L. Jepson 1938-6-10 18972 Tehama Coyote Creek, 6 miles south of Red Bluff 91 Comment
  UCD80254  Carex barbarae CNPS SN Foothill Team 2005-5-11 SNFN 0258 a Tehama TNC. Within the Nature Conservancy's Dye Creek Preserve, located immediately south of Dye Creek proper, about 1/3 mile past the confluence below a large bluff. To access, take trail running north of Dye Creek from headquarters about 2 miles, then continue along south fork of canyon. 169 Comment
  HSC82146  Carex bolanderi Thomas W. Nelson, Jane P. Nelson 1979-6-25 4908 Tehama Along FS road from Stuart Gap to S Fork of Beegum Creek, 1 mi. from Stuart Gap 1372 Comment
  CHSC91215  Carex brainerdii D. Isle 1995-11-2 1059 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. On west bank 25N16--1.3 miles above 25N16-E Spur Jct. 5 and Dime Timber Sale survey on Upper Boswell Ridge (0.6+ mile SE of Twin Peaks). 1981 Comment
  UC1026413  Carex brainerdii John Thomas Howell and R. C. Barneby 1954-5-14 29566 Tehama 4 mi se Childs Meadows 1463 Comment
  CHSC101457  Carex breweri L. P. Janeway 2009-7-26 9866 Tehama High Cascade Range. Low on the northeast slope of Ski Heil Peak. 2682 Comment
  UCD140216  Carex breweri John Thomas Howell 1960-8-19 36134 Tehama Lassen Volcanic National Park; Brokeoff Mountain Trail. 2438 Comment
  CHSC76842  Carex densa L. P. Janeway; B. Castro 1999-8-24 6545 Tehama High North Coast Ranges. At Willow Spring; 1.6 mi east of Buck Rock between Forks Ridge and Short Ridge. 1737 Comment
  CHSC80084  Carex dudleyi L. P. Janeway 2000-5-16 6729 Tehama Vicinity of Rice Creek, west of Hwy I-5. 85 Comment
  CAS-BOT-BC19988  Carex feta Lewis S. Rose 1939-6-10 39274 Tehama Deer Creek Falls. 1249 Comment
  JEPS102249  Carex fracta L. P. Janeway 2001-7-29 7399 Tehama High Cascade Range. At Tamarack Spring; about 4.5 km south-southeast of Turner Mountain; the head of Gunbarrel Creek. Meadow. 1667 Comment
  SEINET7559367 Image available Carex fracta Robert F. C. Naczi, A. A. Reznicek 2006-8-1 11396 Tehama Humboldt Summit, just S of Plumas County border, just N of Butte County border, vicinity of Pacific Crest Trail. 2021 Comment
  CAS-BOT-BC20754  Carex fracta P. A. Munz 1951-7-27 16962 Tehama South base of Yolla Bolly Park. 2072 Comment
  CAS-BOT-BC28198  Carex hoodii John Thomas Howell 1960-8-18 36034 Tehama Bluff Falls, Lassen Volcanic National Park. 1981 Comment
  UC1950186  Carex integra Barbara Ertter with Brad Olson 1991-7-6 10416 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning Comment
  CAS-BOT-BC7570  Carex integra Clare R. Wheeler 1983-7-14 3535 Tehama In vernal meadow at Hell's Half Acre along USFS 20N02. 1951 Comment
  CHSC115848  Carex jonesii Lowell Ahart; John Dittes 2015-8-6 20501 Tehama Bog on the south side of the small stream, about 100 yards east of the spring, east of the camping area, west side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  CAS-BOT-BC35786  Carex jonesii Louise Kellogg 1952-7-10 17 Tehama Mendocino National Forest, near Squaw Camp and Pole Corral on Boswell Ridge directly South of Yolla Bolly Mountain 2133 Comment
  SEINET7563144 Image available Carex jonesii David Castaner 1984-5-28 8060 Tehama Along Highway 36, Gurnsey Creek. Comment
  CAS-BOT-BC376139  Carex klamathensis Barbara L. Wilson; Richard Brainerd 2003-6-20 10951 Tehama Pepperwood Spring, in private property just east of the Mendocino National Forest 899 Comment
  CAS-BOT-BC31103  Carex lemmonii Willard Webster Eggleston 1911-7-18 7302 Tehama Rattlesnake-Colby Creek Divide. 1630 Comment
  CHSC106694  Carex lenticularis var. impressa Barbara Ertter; Brad Olson 1991-7-6 10424 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Springs Forest Station, ca 30 airmiles W of Corning. 1889 Comment
  CHSC65409  Carex lenticularis var. impressa Vernon Oswald 1988-6-27 3540 Tehama Trail between Ides Cove Trailhead and 25N16 along the e side of the Yolla Bolly-Middle Eel Wilderness w of Paskenta. 2133 Comment
  UC1950427  Carex lenticularis var. impressa Barbara Ertter with Brad Olson 1991-7-6 10424 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning Comment
  CHSC45056  Carex luzulina Vernon Oswald 1988-6-27 3539 Tehama Trail between Ides Cove Trailhead and 25N16 along the e side of the Yolla Bolly-Middle Eel Wilderness w of Paskenta. 2133 Comment
  UC1950425  Carex luzulina Barbara Ertter with Brad Olson 1991-7-6 10423 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning Comment
  SEINET3903108  Carex luzulina var. luzulina Barbara Ertter, Brad Olson 1991-7-6 10423 Tehama Rocky Cabin meadow about 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, about 30 airmiles W of Corning.; 0 1890 Comment
  JEPS75213  Carex microptera W. B. and V. G. Cooke 1975-9-7 50605 Tehama Broke-off Mountain Trail Lassen Volcanic National Park, Broke-off Mountain Trail Comment
  JEPS110307  Carex nebrascensis Lowell Ahart 2006-7-19 13025 Tehama In a small bog, in a meadow, south of an open dry flat, about 100 yards west of the dirt road, east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525 Comment
  CAS-BOT-BC119670  Carex nervina Hans Leschke; George Wilson Gillett 1957-7-13 s.n. Tehama Devils Kitchen region. Comment
  CHSC113271  Carex nudata Lowell Ahart; John Dittes 2014-5-18 19514 Tehama West bank of a large canal, on the north side of the bridge, about 1 1/2 miles east of the end of Lyon Cattle Road, about 3 1/2 miles (air) northeast of Los Molinos. 99 Comment
  CHSC47356  Carex nudata L. P. Janeway; Oscar V. Janeway, Lillian Janeway 1987-5-26 2098 Tehama Along Deer Cr at Elam Cr campground. 1325 Comment
  CHSC87859  Carex nudata Lowell Ahart 2004-6-11 11022 Tehama On the south edge of Thomes Creek, west of the end of the Nomalaki Trail, about 1/2 mile north of Dead Rabbit Lake, about 2 miles northwest of Bowers Creek, about 2 3/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 338 Comment
  CAS-BOT-BC20758  Carex pachycarpa Alice Eastwood; John Thomas Howell 1941-7-10 9851 Tehama Mendocino - Tehama County. Anthony Peak. Comment
  SEINET8987565 Image available Carex pachycarpa Unknown 2012-1 25988 Tehama Yolla Bolly Mountain Trail, c. 0.5 miles W of Cold Fork Trail junction, Yolla Bolly Mountains; North Coast Range Highlands. Comment
  CHSC60432  Carex pachystachya Mary Ann Showers 1992-6-26 2597 a Tehama Lassen Volcanic National Park. Edge of right bank of West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC119248  Carex pachystachya Philip Alexander Munz 1951-7-25 16853 Tehama Square Lake, N base of South Yolla Bolly Mt. 2133 Comment
  JEPS106382  Carex pellita Lowell Ahart 2004-6-11 11033 Tehama On the west margin of Dead Rabbit Lake, about 100 yards west of the Nomalaki Trail, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta 545 Comment
  CAS-BOT-BC117964  Carex rossii John Thomas Howell 1960-8-18 36035 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC118028  Carex rossii John Thomas Howell; Gordon H. True 1960-8-19 36147 Tehama Brokeoff Mt. Trail 2590 Comment
  CHSC106692  Carex scopulorum var. bracteosa Barbara Ertter; Brad Olson 1991-7-6 10422 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Springs Forest Station, ca 30 airmiles W of Corning. 1889 Comment
  UC1950143  Carex scopulorum var. bracteosa Barbara Ertter with Brad Olson 1991-7-6 10422 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning Comment
  CHSC111260  Carex serratodens L. P. Janeway; B. Castro 2012-7-3 10944 Tehama High Cascade Range. Northwest side of Hwy 32 about 15 m northeast of the bridge across Deer Creek. 985 Comment
  UC1950428  Carex serratodens Barbara Ertter with Brad Olson 1991-7-4 10195 Tehama Toomes Camp Rd (Mendocino FR 23N01) 7.0 mi W of Paskenta, ca 23 airmiles W of Corning Comment
  CHSC115835  Carex simulata Lowell Ahart; John Dittes 2015-8-6 20504 Tehama On the south side of small stream, about 100 yards east of the spring, east of the camping area, west side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  HSC48999  Carex specifica M. Mahan 1970-7-10 30 Tehama 1982 Comment
  CAS-BOT-BC115821  Carex subfusca Alice Eastwood; John Thomas Howell 1941-7-9 9808 Tehama Government Flat. Comment
  RSA66389  Carex subfusca Phillip A. Munz 1951-7-25 16853 Tehama Square Lake, N base of South Yolla Bolly Mountains 2134 Comment
  CAS-BOT-BC115180  Carex vernacula Herbert Faulkner Copeland 1920-7-25 22 Tehama Bare land on the summit, divide between Butte Co, Plumas Co and Tehama Co. 1828 Comment
  CHSC77379  Castilleja affinis subsp. affinis L. P. Janeway; Jenny Marr, Mary Ann Griggs 1999-3-10 6387 Tehama Vicinity of Round Valley Road, Newville Road (Garland Road), and Williams Butte. 289 Comment
  CHSC77619  Castilleja affinis subsp. affinis Heidi West; Jenny Marr, Caroline Warren, Joyce Lacey-Rickert, 1998-5-19 Tehama Vicinity of uppermost N. Fork Stony Creek. 243 Comment
  RSA66623  Castilleja applegatei subsp. pinetorum P. A. Munz 1951-7-26 16916 Tehama South slope of South Yolla Bolly Pk. 2256 Comment
  UC1072724  Castilleja applegatei subsp. pinetorum Douglas Barbe 1955-7-16 168 Tehama e ridge South Yolla Bolly (w Tehama County) 2286 Comment
  JEPS88355  Castilleja attenuata Vernon H. Oswald and Lowell Ahart 1996-4-23 7454 Tehama ne of Red Bluff (BLM parcel along Hwy 36, gravel road just nw of parking area on Hwy 36, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 259 Comment
  JEPS94161  Castilleja attenuata Vernon Oswald and Lowell Ahart 1998-4-21 8926 Tehama Round Valley Rd. (M4) w. Paskenta (2.1 mi. w. of Newville Rd.); Inner N. Coast Ranges 304 Comment
  UC1552108  Castilleja attenuata A. Liston and M. Blumler 1987-4-24 655 -6 Tehama 2 mi e Paynes Creek (Hwy 36 between Dales and Payne Creek) Comment
  CAS-BOT-BC32635  Castilleja dolichostylis Alice Eastwood; John Thomas Howell 1941-7-9 9837 Tehama Near Government Flat Comment
  CHSC70907  Castilleja foliolosa Vernn Oswald; Lowell Ahart 1998-4-21 8933 Tehama Nomalaki Trail between Log Springs Rd. (M4) and Bennett Creek (trailhead on Log Springs Rd. uphill from Wilder Pond, west of Salt Creek Conservation Camp). 560 Comment
  JEPS4507  Castilleja lacera Jos. Grinnell 1925-6-23 Tehama Battle Creek Meadows 1463 Comment
  SJSU5825  Castilleja lacera J. W. Tilden 1960-6-26 1476 Tehama Wilson L 1524 Comment
  JEPS17593  Castilleja miniata Rimo Bacigalupi with G. T. Robbins, Keith Wagnon and Douglas Barbe 1955-7-16 5307 Tehama about 1 mi e Ovenlid (on e flank, at Somerset's); North Coast Ranges, Mendocino National Forest 1767 Comment
  SEINET4399745  Ceanothus Leila M. Shultz 1990-5-5 11319 Tehama North Coast Ranges; Mendocino Forest 305 Comment
  JEPS42222  Ceanothus cordulatus W. L. Jepson 1927-6-21 12279 Tehama Mineral 1524 Comment
  SBBG46161  Ceanothus cordulatus H. and M. Dearing 1938-7-23 2110 Tehama Deer Crk Comment
  HSC18264  Ceanothus cuneatus R. C. Sanford 1965-5-1 21 Tehama 40 mi E of Red Bluff on Hwy. 36 915 Comment
  UCR124022  Ceanothus integerrimus George K. Helmkamp, E. A. Helmkamp 2001-7-7 6920 Tehama Sierra Nevada Mountains, Calif. Hwy 36, 2.6 mi west of Mineral, about 33 mi west of Chester, Lake Almanor 1418 Comment
  RSA21503  Ceanothus integerrimus Carl B. Wolf 1937-5-16 8689 Tehama Northern Sierra Nevada Foothills, Red bluff - Susanville road, 7 miles below Paynes Creek P.O. 183 Comment
  RSA700507  Ceanothus integerrimus var. macrothyrsus L. P. Janeway 2001-6-15 7178 Tehama High Cascade Range. Above North Fork California Creek, 1.6km north-northwest of Colby Mountain, between roads 27N12 and 27N06. 1402 Comment
  SEINET13945968 Image available Ceanothus jepsonii A. A. Heller 1914-1 12999 Tehama Grade between Mud Flat and Bennett Spring in the Coast Range Comment
  CAS-BOT-BC51133  Ceanothus jepsonii var. albiflorus A. A. Heller 1918-4-28 12999 Tehama Grade between Mud Flat and Bennett Spring in the Coast Range in the digger pine belt Comment
  CHSC33388  Ceanothus lemmonii D. Boyd; M. Eichelberger, T. Messick, T. Ranker 1980-5-25 77 Tehama One-half mile SSW of BM1797 on road 29N15. 609 Comment
  UCD112664  Ceanothus prostratus R. N. Raynor 1940-5-19 s.n. Tehama Mill Creek Road between Red Bluff and Mineral. Comment
  UCR123529  Ceanothus prostratus George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6888 Tehama Northern Sierra Nevada Mountains, SE of Mt. Lassen; Calif. Hwy 36/89 at Gurnsey Creek, about 2 mi north of junction with Calif. Hwy 32 1448 Comment
  JEPS95716  Centaurea melitensis Vernon H. Oswald and L. Ahart 1996-6-13 6865 Tehama T29N R2W NW1/4 SW1/4 Sec. 26, 720 ft, Cascade Range Foothills. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff 219 Comment
  CHSC40515  Centaurea solstitialis Pauleen Broyles 1982-7-2 775 Tehama The Nature Conservancy Vina Plains Reserve. Near Hwy 99. 60 Comment
  SEINET8111622 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201520 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111625 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201517 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111644 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 RB 201509 Tehama North-west of Herbert S. Miles rest area between Cottonwood and Red Bluff on southbound I-5. 93 Comment
  JEPS105918  Centaurium muehlenbergii Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11200 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff 655 Comment
  CHSC105226  Centaurium tenuiflorum Lowell Ahart; John Dittes 2010-7-19 16907 Tehama At the homestead, west of the poor dirt road, about 3.6 miles (air) southwest of Manton, about 3.6 miles (air) north of Highway 36 and Lane Valley Road intersection. 505 Comment
  CHSC80204  Centaurium tenuiflorum B. Castro; L. P. Janeway 2000-6-6 1192 Tehama Vicinity of Paskenta and Thomes Creek. 329 Comment
  CHSC84294  Centaurium tenuiflorum Lowell Ahart; John Dittes 2003-6-11 10243 Tehama On the west side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  JEPS99026  Centaurium trichanthum Vernon H. Oswald and Lowell Ahart 1998-10-27 9678 Tehama W of Paskenta (Nomalaki Trail at first small drainage beween Mud Flat Road and China Gulch) 609 Comment
  RSA699702  Centaurium venustum L. Ahart, Samantha Hillaire 2004-7-9 11201 Tehama On the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  JEPS15246  Centromadia fitchii Rimo Bacigalupi with J. R. Sweeney and George Bacigalupi Jr. 1953-8-29 4338 Tehama 1 1/2 mi e Corning (on road to Vina); Sacramento Valley 91 Comment
  JEPS38293  Centromadia fitchii W. L. Jepson 1927-6-25 12348 Tehama Pine Creek road sta. 60 Comment
  UC2031471  Centromadia fitchii Barbara Ertter with Brad Olson 1993-5-15 11812 Tehama Spring Branch Road south of Battle Creel ca 15 air miles NNE of Red Bluff, sparse grassland/scabland on plateau, BLM land Comment
  CAS-BOT-BC288503  Centromadia fitchii David D. Keck 1932-7-7 1724 Tehama Red Bluff, at S city limits 95 Comment
  SDSU4592  Centromadia fitchii D. F. Howe 1962-8-7 3415 Tehama 12.4 miles north of Corning on #99. 91 Comment
  CAS-BOT-BC205679  Cephalanthera austiniae James R. Shevock 1985-6-22 11245 Tehama Field redacted by CAS, contact the data manager for more information 1752 Comment
  UCD138895  Cephalanthera austiniae J. M. Tucker; L. K. Mann 1962-7-29 3631 Tehama 3/4 mil of Ovenlid, South Yolla Bolly Mountain, around 3 miles east of the summit. 1981 Comment
  CDA15849  Cerastium glomeratum G. F. Hrusa, J. Hart 2000-4-8 15292 Tehama Sacramento Valley; Coyote Creek Conservation Area. Comment
  CHSC65953  Cerastium glomeratum Vernon H. Oswald; Lowell Ahart 1996-4-23 7447 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along flood channels of Paynes Creek just downstream from the power line at this location. 147 Comment
  JEPS51343  Cerastium glomeratum Virginia Bailey 1938-4-16 Tehama 6 mi. w. Paskenta (on Paskenta-Covelo Rd.) Comment
  JEPS88346  Cerastium glomeratum Vernon H. Oswald and Lowell Ahart 1996-4-23 7447 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (along flood channels of Paynes Creek just downstream from the power line); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 147 Comment
  CHSC82717  Cercis occidentalis Tara Morgan 2002-4-28 52 Tehama Area within Lassen National Forest along Deer Creek off of Highway 32 down the Forest Service Rd. that goes down to the campground located downstream of Lower Deer Creek Falls. By the vehicular bridge crossing the creek. 913 Comment
  CHSC88842  Cercis occidentalis A. Peterson 2003-4-10 34 Tehama Hwy 36 east of Red Bluff. Immediately above Paynes Creek. Along road edge. UTM: 588995E 4464030N. 504 Comment
  RSA123215  Cercis occidentalis P. L. Johannsen 1936-8-26 993 Tehama 1.25 miles northeast of junction of Deer and Rattlesnake Creeks. 1067 Comment
  RSA764746  Cercis occidentalis Doris Bowers 1972-9-1 1888 Tehama Pit River Falls on Hiway 299 1067 Comment
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Jul 9 2013
  SEINET6331972  Cercocarpus betuloides S. Dean 1979-4-24 s.n. Tehama HWY 36, Susanville, Red Bluff HWY rest stop 1219 Comment
  UCD22428  Cercocarpus betuloides var. betuloides Brian Vanden Heuvel 2003-4-9 189 Tehama Shasta National Forest. 5.6 miles east of Platina on CA 36, on south side of road. Comment
  JEPS94573  Cercocarpus ledifolius var. intermontanus Vernon Oswald and Lowell Ahart 1997-7-7 8683 Tehama Lookout Tomhead Mtn. (near the ne corner of Yolla Bolly-Middle Eel Wilderness) 2057 Comment
  CHSC90431  Chaenactis douglasii Niall McCarten 1986-6-16 5446 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. S/25N29, 0.5 mi. due south of Browns Camp, 1 mi. east of Ides Cove Trailhead. 1859 Comment
  UCD130298  Chaenactis douglasii var. douglasii J. M. Tucker; L. K. Mann 1959-7-19 3545 Tehama summit of South Yolla Bolly Mountain. 2465 Comment
  CHSC105995  Chaenactis glabriuscula var. heterocarpha B. Castro; L. P. Janeway 2000-4-22 1093 Tehama High Cascade Range. Along USFS Rd 28N29/Ponderosa Way 0.8 km northwest of Black Rock; south-facing slope overlooking Mill Creek. 871 Comment
  CHSC68574  Chaenactis glabriuscula var. heterocarpha Vernon H. Oswald; Lowell Ahart 1997-5-14 8454 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 19.5 mi south of Plum Creek Rd., 0.8 mi north of the bridge on Mill Creek at Black Rock. Roadside bank. 725 Comment
  CHSC95169  Chaenactis glabriuscula var. heterocarpha R. D. Fischer 2005-5-30 793 Tehama Sierra Nevada Mountains, off county road 27N08 ca. 6 miles east of Hwy 32, between Butte Meadows turn-off and Potato Patch Campground, downstream of the Deer Creek camp.UTM: 10617744E, 4447073N. 880 Comment
  JEPS113152  Chaenactis glabriuscula var. heterocarpha Lowell Ahart 2007-5-8 13725 Tehama Along flood plain of Dibble Creek, about 100 yards north of Highway 36, about 3.7 miles west of the intersection of Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff 111 Comment
  CAS-BOT-BC277784  Chaenactis nevadensis John Thomas Howell 1960-8-19 36161 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  JEPS34212  Chaenactis nevadensis Joseph Grinnell 1925-7-27 Tehama Broke-off Mt. 2743 Comment
  SD6930  Chamaesaracha nana Mrs. R. M. Austin June 1883 Tehama Summit Road Comment
  CHSC40811  Chamaesyce glyptosperma Pauleen Broyles 1982-7-2 774 Tehama The Nature Conservancy Vina Plains Preserve. Near culvert on Hwy 99 where it crosses irrigation ditch ca. 300 m. s of juct. Hwy 99 and Lassen Road. 66 Comment
  CHSC14114  Chamaesyce hooveri F. T. Griggs 1973-8-7 Tehama 16 miles north of Chico; 200 meters s of Lassen Road 1/4 mile e of Hwy 99E. At the bottom of an ephemeral pond. Comment
  JEPS83922  Chamaesyce hooveri R. D. Stone 1986-7-19 763 Tehama 0.8 mi nne Hallie Rd (0.2 mi n of barn, s pasture); TNC Valley Plains Reserve 65 Comment
  CHSC59085  Chamaesyce maculata Vernon H. Oswald 1992-8-19 5160 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) at the parking area, Brokeoff Mtn. trailhead. 2023 Comment
  UC1046500  Chamaesyce maculata Rimo Bacigalupi with L. Constance, R. Moran, R. L. Rodriguez, and S. Carlquist 1951-6-12 3364 Tehama 10.5 mi wnw Red Bluff (along state Hwy 36, following Dibble Creek, 9 mi w of the junction with Hwy 99) Comment
  CHSC66565  Chamaesyce nutans Vernon H. Oswald; Lowell Ahart 1996-7-8 7965 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Flood plain of Paynes Creek E of the mouth of the intermittent stream corssing the NE corner of the parcel. 158 Comment
  CHSC66564  Chamaesyce ocellata subsp. ocellata Vernon H. Oswald; Lowell Ahart 1996-7-8 7951 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Throughout the parcel (collected in savanna at the NE corner of the parcel). 201 Comment
  CHSC112581  Chamaesyce ocellata subsp. rattanii Lowell Ahart 2013-9-17 19048 Tehama Gravel bar on the south side of Burris Creek, strand of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 135 Comment
  CHSC117307  Chamaesyce ocellata subsp. rattanii B. Castro; E. MacKinnon, A. Groom and B. Humphrey 2016-7-22 2146 Tehama Elder Creek Sediment Removal Project. Sacramento Valley. Near center of Elder Creek channel, ca 2.25 air mi NW of its confluence with the Sacramento River and 220 ft W of the San Benito Ave. bridge at the town of Gerber. Ca 25 ft E of railroad bridge, on gravel berm on N side of now-dry lowflow channel. Gravel piled, and somewhat compact, but not as cemented with hard silt as more common for this species in this creekbed. 70 Comment
  CHSC66311  Chamaesyce ocellata subsp. rattanii Vernon H. Oswald 1996-7-4 7746 Tehama Foothills of the Inner North Coast Ranges. Burris Creek on the N side of the bridge on Morrison Bryant Rd., near the S end of the Burris Creek Arm of Black Butte Lake. In creek bed. 146 Comment
  CHSC76512  Chamaesyce ocellata subsp. rattanii Heidi West; Caroline Warren 1999-6-9 Tehama Vicinity of Sunflower Gulch and Red Bank Creek. 350 Comment
  RSA0118879  Chamaesyce ocellata subsp. rattanii Lowell Ahart 2013-8-2 18983 Tehama On the south side of Burris Creek, strand of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 135 Comment
  CHSC103142  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; Josephine Guardino 2009-9-6 16371 Tehama East of the enclosure, east of Gurnsey Creek, about 3/4 mile southwest of the intersection of Highway 36 and Paynes Creek Road, about 6 1/2 miles (air) southeast of Mineral. 1478 Comment
  CHSC112995  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2013-8-2 18971 Tehama South side of Burris Creek, strand of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 135 Comment
  CHSC116670  Cheilanthes gracillima Lowell Ahart; John Dittes, Josephine Guardino 2016-2-11 20700 Tehama Near the fish ladder on Deer Creek, about 2 miles by trail to Highway 32. 883 Comment
  CAS-BOT-BC70238  Cheilanthes gracillima P. A. Munz 1951-7-18 16690 Tehama n. slope of N. Yolla Bolly Peak, North Yolla Bolly Mts., line of Tehama-Trinity County 1981 Comment
  SEINET10867073  Cheilanthes gracillima Mary Susan Taylor 1979-4-22 Taylor 1977 Tehama T27N R3E sec 25. On bluffs overlooking Deer Creek, ca 2 mi SW (downstream) of Hwy 32, ca. 3 mi S of Potato Patch Campground; Yellow Pine Forest. 975 Comment
  JEPS103450  Chenopodium ambrosioides var. suffruticosum Lowell Ahart 2002-11-4 10005 Tehama Bottom of a wash, Jewett Creek, E of Marguerite Road, ca 1 1/4 mile (air) SE of Corning. 74 Comment
  CHSC69679  Chenopodium atrovirens Vernon Oswald 1986-7-24 2224 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2194 Comment
  HSC67037  Chenopodium californicum J. O. Sawyer, J. P. Smith 1975-6-1 8181 Tehama State Rte. 36, 2 mi. E of Dry Creek Bridge Comment
  CHSC59084  Chenopodium pratericola Vernon H. Oswald 1992-8-19 5156 .1 Tehama Hwy. 89 between Bluff Falls and the S boundary of Lassen Volcanic National Park. 1987 Comment
  SEINET11934605  Chenopodium vulvaria Unknown 1982-1 821 Tehama On disturbed Tuscan loam near barn 60 Comment
  UCD57953  Chloris virgata William Anderson 1965-8-15 s.n. Tehama Vina Road. Comment
  CHSC66096  Chlorogalum angustifolium Vernon H. Oswald; Lowell Ahart 1996-5-27 7647 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. 102 Comment
  CHSC80107  Chlorogalum angustifolium B. Castro; L. P. Janeway 2000-5-11 1145 Tehama Vicinity of Orland, Black Butte Lake, Rice and Brannin Creeks. 117 Comment
  POM204023  Chlorogalum angustifolium Alice Eastwood, John Thomas Howell 1934-4-21 1848 Tehama Between Red Bluff and Paynes Creek. Comment
  CAS-BOT-BC252820  Chorizanthe polygonoides var. polygonoides R. C. Barneby; J. T. Howell 1954-5-14 11485 Tehama 9 miles E of Paynes Creek 1005 Comment
  RSA755417  Chorizanthe polygonoides var. polygonoides L. P. Janeway, B. Castro 2009-4-25 9776 Tehama Cascade Range Foothills: Tehama Wildlife Area: Top of ridge between Little Antelope Creek and Mill Creek; southern end of Powerline Road at Rock Wall; 1.8 km east-northeast of Dewitt Peak. 640 Comment
  UCD80659  Chorizanthe stellulata CNPS SN Foothill Team 2005-5-26 SNFN 0328 c Tehama BLM, Hog Lake/Paynes Creek, off Spring Road in the BLM's Battle Creek Recreation Area; plot is located north across the road from a target shooting area. 195 Comment
  SDSU6703  Chrysolepis sempervirens K. Dixon 1942-8-9 3322 Tehama Colby Mountain. 1768 Comment
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Oct 5 2011
  UCD110131  Chrysolepis sempervirens John Thomas Howell 1960-8-19 36143 Tehama Brokeoff Mountain Trail. 2590 Comment
  CHSC27571  Cicendia quadrangularis Robert Schlising 1978-4-18 3222 Tehama S. Tehama County; vernal pond 0.5 mi NE of jct Lenninger-Lassen Road with Hwy 99 (which is 1.5 mi N of Butte Co. line on Hwy 99). Comment
  UCR130070  Cicuta maculata var. angustifolia George K. Helmkamp, E. A. Helmkamp 2001-7-7 6903 Tehama Northern Sierra Nevada Mountains, SE of Mt. Lassen; Calif. Hwy 36/89 at Gurnsey Creek, about 2 mi north of junction with Calif. Hwy 32 1448 Comment
  CAS-BOT-BC285352  Cirsium andersonii H. F. Copeland 1920-7-17 109 Tehama On Butt Mountain 1828 Comment
  CAS-BOT-BC285354  Cirsium andersonii A. A. Heller 1938-7-28 s.n. Tehama On the Mineral-Mt. Lassen Park Highway Comment
  CHSC101415  Cirsium cymosum David Isle 1992-7-29 1552 Tehama Upper Forks Ridge. S of 24N01.2, between 24N02.1 and 24N32 jcts.From 1992 Willow Creek EUI Plot 33. 1755 Comment
  CHSC64941  Cirsium cymosum Vernon H. Oswald; Lowell Ahart 1995-7-12 7026 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on the summit of Tedoc Mtn. (end of Forest Road 28N60). 1615 Comment
  CAS-BOT-BC286479  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Lassen Volcanic National Park. Sulphur Works entrance station 2011 Comment
  UC53860  Cirsium scariosum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4373 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC88269  Cirsium vulgare Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11207 Tehama Near seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  UCD130818  Cirsium vulgare J. I. Mallory 1957-8-28 168 Tehama one-sixth mile west of southwest Mill Creek Store, Lassen National Forest. 1402 Comment
  CAS-BOT-BC438978  Cistanthe monosperma Alice Eastwood; John Thomas Howell 1941-7-9 9798 Tehama Government Flat Comment
  CAS-BOT-BC228994  Cistanthe umbellata John Thomas Howell 1960-8-19 36160 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2682 Comment
  CHSC78873  Clarkia affinis Julie Cunningham; Heidi West, Caroline Warren 1998-5-14 Tehama Vicinity of North Fork Stony Creek, Round Valley Road, and Newville Road (Garland Road). 274 Comment
  CHSC86017  Clarkia affinis Jenny Marr; Caroline Warren 1998-4-28 Tehama Vicinity of upper North Fork Stony Creek, Newville Road, and Round Valley Road. 213 Comment
  JEPS101739  Clarkia arcuata Dean W. Taylor 1997-6-1 16021 Tehama ridge dividing Rock Creek from Deer Creek; 3 air miles N of Cohasset Comment
  CAS-BOT-BC164173  Clarkia concinna R. Bacigalupi 1934-5-29 2401 Tehama Base of Paskenta Grade, along road to Covelo Comment
  CHSC57476  Clarkia gracilis subsp. gracilis Heather L. Davis 1990-4-14 41 Tehama W side of McCoy Rd., ca. 1.5 mi s of Hooker Crk. Rd., Cottonwood. 106 Comment
  JEPS97395  Clarkia heterandra Vernon H. Oswald and L. Ahart 1995-7-12 7016 Tehama T28N R9W SE1/4 Sec. 4, 3600 ft, High North Coast Ranges, Yellow Pine Forest, decomposed sandy conglomerate. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 4.9 mi S of Hwy. 36 1097 Comment
  CHSC80668  Clarkia lassenensis Lowell Ahart 2001-6-16 8850 Tehama North of the dirt road, about 5 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1082 Comment
  JEPS118021  Clarkia purpurea subsp. quadrivulnera Lowell Ahart, John Dittes 2011-6-9 17440 Tehama Rio De Los Molinos Land Grant. About 60 yards east of a large vernal pool, sand dune area, about 30 yards south of the fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) north of Vina 80 Comment
  RSA726486  Clarkia purpurea subsp. quadrivulnera L. Ahart 2007-5-8 13740 Tehama About 3.7 miles west of the intersection Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  CAS-BOT-BC164770  Clarkia rhomboidea Alice Eastwood; John Thomas Howell 1941-7-9 9749 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  UC702927  Clarkia rhomboidea Alice Eastwood, John Thomas Howell 1941-7-9 9749 Tehama between Log Spring and Government Flat; Log Spring Ridge Comment
  UC1075579  Clarkia rhomboidea E. K. Balls and L. W. Lenz 1956-6-19 21835 Tehama 13.6 mi e Payne's Creek (along State Hwy. 36 (Red Bluff to Lake Almanor), by Lassen Lodge) 1310 Comment
  SEINET7072739  Clarkia similis A. G. Vestal 1963-5-9 s.n. Tehama About 14.6 miles northwest of Chico on Route 99 and about 2 miles southeast of Hoag Slough. UTM Zone 10, 583021mE, 4420093mN. Coordinate datum: NAD 27.) Comment
  CDA23951  Claytonia palustris L. Ahart 2002-6-29 9801 Tehama On the east side of a large open wet meadow, on the east side of Willow Creek, about 1/8 mile south of Colby Mountain Lookout Road where it crosses Willow Creek, about 5 miles (air) northeast of Butte Meadows. Comment
  CHSC67280  Claytonia parviflora James D. Jokerst 1983-3-6 1688 Tehama Wurlitzer Ranch on the bank of Pine Creek, 1.5 mi E of Meridian Rd. Comment
  JEPS94175  Claytonia parviflora subsp. parviflora Vernon Oswald and Lowell Ahart 1998-4-21 8932 Tehama w. Salt Creek Conservation Camp (Nomalaki Trail between Log Springs Rd. (M4) and Bennett Creek, trailhead on Log Springs Rd., uphill from Wilder Pond); Inner N. Coast Ranges 609 Comment
  CHSC27833  Claytonia perfoliata subsp. perfoliata Eric J. Miller 1978-4-24 14 Tehama 1 km w of Sacramento River at Woodson Bridge. 28 Comment
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Jul 22 2009
  UC1001346  Claytonia saxosa Louise Kellogg 1952-7-18 95 Tehama directly s South Yolla Bolly Mountains (near Squaw Camp and Pole Corral on Boswell Ridge); North Coast Ranges, Mendocino National Forest, Boswell Ridge 2133 Comment
  CHSC55143  Clematis lasiantha L. P. Janeway 1991-5-11 3957 Tehama Battle Creek Wildlife Area. North-facing slope above and south of Battle Creek; ca 1 1/2 mi east of the Sacramento River. 134 Comment
  CHSC55590  Collinsia parviflora K. R. Stern 1986-5-21 8305 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  CHSC57000  Collinsia parviflora Steven Triano; Stefani Eiben 1988-5-7 154 Tehama Wet meadow ca 30 ft e of Hwy. 36 and 10.8 mi e of Mineral. 1475 Comment
  JEPS4248  Collinsia parviflora Milo S. Baker and H. K. Wagnon 1953-7-12 12916 Tehama 5.3 mi Whitlock Camp (along County Rd) 1828 Comment
  CHSC44238  Collinsia rattanii Vernon Oswald 1988-6-27 3520 Tehama Trail between Ides Coave Trailhead and 25N16 along the e side of the Yolla Bolly-Middle Eel Wilderness w of Paskenta. 2133 Comment
  CHSC48983  Collinsia rattanii Vernon Oswald 1986-5-23 2038 Tehama Round Valley Rd. (M4) 0.2 mi e of 23N21. 1463 Comment
  JEPS15373  Collinsia rattanii Douglas Barbe 1955-7-17 208 Tehama 1 mi s Tomes Camp (on county rd, w slope, w Tehama Co.) Comment
  CHSC55286  Collinsia sparsiflora var. collina L. P. Janeway 1991-3-28 3856 Tehama In large ravine draining north into Battle Creek; 1 1/2 mi east of the Sacramento River. Battle Creek Wildlife Area. 152 Comment
  JEPS6344  Collinsia sparsiflora var. collina W. L. Jepson Apr 25-26 1899 14294 Tehama Stiver's Ranch, Crane Creek; w. Tehama Co., Stiver's Ranch, Crane Creek Comment
  JEPS95674  Collinsia sparsiflora var. collina Vernon H. Oswald 1995-3-27 6551 Tehama T29N R2W NE1/4 SW1/4 Sec. 26, 720 ft, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 219 Comment
  CHSC83379  Collinsia sparsiflora var. sparsiflora L. P. Janeway; Shirley Innecken 2002-3-14 7444 Tehama Inner North Coast Ranges. Vicinity of Williams Butte and Thomes Creek. 292 Comment
  UC1238978  Collinsia tinctoria Freed W. Hoffman 1948-7-2 2467 Tehama Beegum Creek near Beegum (North Coast Ranges); , Beegum Creek 396 Comment
  UC764485  Collinsia tinctoria R. F. Hoover 1939-5-11 4098 Tehama Dibble Creek near Red Bluff; Dibble Creek Comment
  UCD80774  Collinsia tinctoria CNPS SN Foothill Team 2005-6-22 SNNR 0383 Tehama USFS, Lassen National Forest. 498 Comment
  JEPS128467  Collinsia torreyi Julie Kierstead Nelson with Aaron Sims 2015-6-19 2015 -069 Tehama 1.5 miles SSW of Tedoc Gap, Beegum Creek watershed; Forest Road 27N12. Comment
  RSA90830  Collinsia torreyi Milo S. Baker, H. K. Wagnon 1953-7-12 12854 Tehama 4.2 mi above Whitlock Camp. 1677 Comment
  UC54653  Collinsia torreyi var. latifolia H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4406 Tehama near Morgan (Mount Lassen); Mount Lassen 1524 Comment
  UC885606  Collinsia torreyi var. wrightii Alice Eastwood Aug 22 1912-Aug 26 1912 1852 Tehama trail from Morgans Springs to Lassen Butte Lassen Butte; trail from Morgans Springs to Lassen Butte Comment
  RSA90847  Collomia diversifolia Milo S. Baker, H. K. Wagnon 1953-5-31 12708 Tehama Logging road west of Paskenta near 10 mile post Comment
  HSC16942  Collomia tinctoria Louise Kellogg 1952-7-16 61 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge S of S Yolla Bolly Mtn. 2134 Comment
  UC1198121  Comandra Charlotte M. Wilder 1912-6-18 1891 Tehama Deer Creek Comment
  JEPS102541  Comandra umbellata subsp. californica Vernon H. Oswald 2001-5-7 10013 Tehama Forest Road 26N15 4.9 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1072 Comment
  JEPS88332  Conium maculatum Vernon H. Oswald and Lowell Ahart 1996-6-3 7710 Tehama ne of Red Bluff (BLM parcel along Hwy 36, Cascade Range Foothills, along Paynes Creek 0.5 mi downstream from the old bridge site); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 100 Comment
  SEINET11844253  Conyza canadensis Unknown 1982-1 850 Tehama The Nature Conservancy Vina Plains Preserve 66 Comment
  JEPS68353  Cordylanthus pilosus subsp. hansenii L. R. Heckard with R. Bacigalupi and B. Doren 1971-9-9 2794 Tehama about 1 1/2 mi w Cottonwood road junction (along US Hwy 36, w of Red Bluff) 243 Comment
  LA106655  Cordylanthus pilosus subsp. hansenii L. R. Heckard; Rimo Bacigalupi, B. Doren 1971-9-9 2793 Tehama Along Reeds Creek road; 3.7 mi. E of junction with Pettyjohn road (ca. 12 air miles W of Red Bluff) 274 Comment
  UC1326255  Cordylanthus pilosus subsp. hansenii Milo S. Baker 1947-8-14 11998 Tehama 10 to 12 mi e Red Bluff (Hiway 36) 304 Comment
  CHSC78395  Cordylanthus pringlei Vernon H. Oswald 2000-7-10 9935 Tehama Forest Route 35 5.3 mi west of Stuart Gap. 1712 Comment
  HSC82449  Cordylanthus pringlei Thomas W. Nelson, Jane P. Nelson, R. J. Cole 1979-7-27 5045 Tehama Along road from Regan Meadow to Brushy Mtn., 1 mi. from Regan Meadow 1433 Comment
  JEPS76675  Cordylanthus tenuis L. R. Heckard 1972-6-17 2950 Tehama e slope Beegum Mt. 1188 Comment
  SBBG100044  Cordylanthus tenuis subsp. viscidus L. R. Heckard, T. I. Chuang 1971-8-15 2769 Tehama W of Mineral on St Hwy 36, 1 mi E of Lyonville Rd jct 1219 Comment
  CHSC77769  Cornus glabrata B. Castro; L. P. Janeway 1999-6-14 980 Tehama About 21 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek. 310 Comment
  SEINET4399752  Cornus nuttallii Leila M. Shultz 1990-5-5 11327 Tehama North Coast Ranges; Mendocino Forest 305 Comment
  CHSC24931  Cornus sessilis P. Goldman 1976-4-22 19 Tehama Scattered on w side of Antelope Creek, at junc of Antelope Creek and Ponderosa Way, ca. 20 mi s of Red Bluff. 1066 Comment
  UC176017  Cornus sessilis Edward and Marguerite Hyatt Jul 30 1914-Aug 20 1914 319 Tehama Deer Creek Comment
  UC854992  Corydalis caseana subsp. caseana Alice Eastwood Aug 22 1912-Aug 26 1912 1758 Tehama trail from Morgan's Springs to Sulphur Works; Lassen Butte Region Comment
  HSC74944  Corylus cornuta subsp. californica J. P. Smith, Thomas W. Nelson 1979-6-24 10165 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1311 Comment
  CHSC77766  Crassula aquatica B. Castro; L. P. Janeway 1999-5-5 925 Tehama About 26 air miles NW of Orland, vicinity of Rocky Ridge and Thomes Creek. 266 Comment
  UC1873687  Crassula aquatica Barbara Ertter with Brad Olson 1993-5-15 11816 Tehama Spring Branch Road south of Battle Creek ca 15 air miles NNE of Red Bluff. Comment
  JEPS49994  Crassula tillaea Virginia Bailey 1938-4-16 Tehama 6 mi. w. Paskenta (on Paskenta-Covelo rd.) Comment
  CAS-BOT-BC376537  Crepis monticola Alice Eastwood; John Thomas Howell 1941-7-9 9735 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CAS-BOT-BC376461  Crepis occidentalis subsp. pumila Clare B. Hardham 1971-8-10 18322 Tehama South Yolla Bolly Mountain 2438 Comment
  CAS-BOT-BC290812  Crepis occidentalis subsp. pumila Douglas Barbe 1955-7-16 193 Tehama West Tehama County. Near summit of S. Yolla Bolly Comment
  HSC71885  Crepis pleurocarpa Thomas W. Nelson, Jane P. Nelson 1980-6-22 5851 Tehama Shasta-Trinity National Forest, summit of Mt. Tedoc 1585 Comment
  CHSC105228  Croton setiger Lowell Ahart; John Dittes 2010-7-19 16901 Tehama About 10 yards northwest of the poor road crossing, on the west side of the South Fork of Battle Creek, about 3.3 miles (air) southwest of Manton, about 4.2 miles (air) north of Highway 36 and Lane Valley Road intersection. 432 Comment
  CHSC14117  Croton setiger F. T. Griggs 1973-8-7 Tehama 16 miles n of Chico. 200 meters s of Lassen Road 1/4 mile e of Hwy. 99E. At the bottom of an ephemeral pond. Comment
  CHSC66302  Croton setiger Vernon H. Oswald 1996-6-27 7894 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Throughout the reserve (collected near the W boundary). 105 Comment
  CHSC84857  Croton setiger L. P. Janeway 2003-9-18 7991 Tehama Sacramento Valley. North side of Red Bluff; between Main Street and Hwy I-5, just north of the east end of State Street. 89 Comment
  UCR257987  Croton setiger Ellen Dean, M. Starbuck, DHS Madrigals 2010-8-29 6866 Tehama Northern Sierra Nevada Mtns., western edge of Lake Almanor off Hwy 89 1372 Comment
  UCSB25959  Croton setiger Wilken, Dieter; Haller, John; Langford, A. 1968-9-12 Tehama Along California Highway 36, 37.4 miles east of Red Bluff 1249 Comment
  CHSC66503  Crucianella angustifolia Vernon H. Oswald 1996-5-20 7612 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. 158 Comment
  CHSC84295  Crucianella angustifolia Lowell Ahart; John Dittes 2003-6-11 10257 Tehama On the west side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  CHSC86560  Crucianella angustifolia Jenny Marr; Heidi West, Joyce Lacey-Rickert 1998-5-21 Tehama Vicinity of South Fork Cottonwood Creek and Cooks Flat. 365 Comment
  CHSC96653  Crucianella angustifolia Lowell Ahart 2007-5-8 13743 Tehama Along flood plain of Dibble Creek, about 100 yards north of Highway 36, about 3.7 miles west of the intersection of Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  JEPS122053  Crucianella angustifolia Lowell Ahart, John Dittes 2014-5-17 19511 Tehama About 50 yards west of the diversion dam on Mill Creek, about 5 miles (air) northeast of Los Molinos. Comment
  UC1949138  Crucianella angustifolia Barbara Ertter 1991-5-19 9868 Tehama Vassar Road junction on Hwy 36 16.5 mi W of Red Bluff Comment
  UCD121545  Crucianella angustifolia Alan A. Beetle 1944-6-1 3014 Tehama Near Igo. Comment
  CHSC106822  Crypsis alopecuroides Barbara Ertter; Elizabeth Neese, Laura Fujii, Dawn Espindola 1989-10-21 8891 Tehama S side of NW arm of Black Butte Lake W of Orland. 152 Comment
  CHSC83073  Crypsis alopecuroides Lowell Ahart 2002-11-5 10018 Tehama East of where Burris Creek runs into Black Butte Lake, about 15 feet below the high water line of the lake, about 12 miles (air) northwest of Orland. 152 Comment
  HSC97194  Crypsis alopecuroides L. Ahart 2002-11-5 10018 Tehama E of where Burris Creek runs into Black Butte Lake, about 15 feet below the high water line of the lake, about 12 mi. (air) NW of Orland 152 Comment
  CHSC112586  Crypsis schoenoides Lowell Ahart 2013-9-17 19041 Tehama On the bottom of Burris Creek, strand of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 135 Comment
  JEPS121181  Crypsis schoenoides Lowell Ahart 2013-8-2 18979 Tehama S side of Burris Creek, strand of Black Butte Reservoir, about 1.5 miles SW of the Dam, about 12 air miles NW of Orland. Comment
  CHSC92816  Cryptantha ambigua John Dittes; Josephine Guardino 2005-5-11 1105 Tehama Northern Sacramento Valley; south bank of Mill Creek; ca. 0.3 mile east of confluence with Sacramento River; gravel bar in active channel of Mill Creek. 64 Comment
  CHSC82088  Cryptantha crinita Samantha Mackey Hillaire 1997-4-12 134 Tehama South of Cottonwood, about 2 miles south of Battle Creek, east of the Sacramento River. Immediately west of Jelly's Ferry Road, in a drainage. 121 Comment
  CHSC86449  Cryptantha crinita Jenny Marr; Jean Hubbell 1994-4-28 102 Tehama Department of Fish and Game Battle Creek Wildlife Area, approximately 20 miles SE of Redding. 106 Comment
  RSA695405  Cryptantha crinita L. Ahart, John Dittes 2003-5-12 10126 Tehama Just north of Jelly Ferry Road, 1.3 miles (air) southwest of Coleman Fish Hatchery, about 6.0 miles (air) east of Cottonwood. 131 Comment
  CHSC68578  Cryptantha flaccida Vernon H. Oswald; Lowell Ahart 1997-5-14 8436 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 7.9 mi south os Plum Creek Rd., 1.6 mi northwest of the South Fork Antelope Creek. 1018 Comment
  CHSC70868  Cryptantha flaccida Vernon Oswald; Lowell Ahart 1998-4-21 8921 Tehama Newville Rd. east of Newville, 2.2 mi north of the Glenn-Tehama county line, 1.9 mi south of Round Valley Rd. 213 Comment
  CHSC78621  Cryptantha flaccida Julie Cunningham; Natalie Wight, Joyce Lacey 1998-4-28 Tehama Vicinity of North Fork Stony Creek, Round Valley Road, and Newville Road (Garland Road). 274 Comment
  CHSC79261  Cryptantha flaccida B. Castro; L. P. Janeway 2000-4-5 1059 Tehama Vicinity of Orland. 106 Comment
  JEPS113154  Cryptantha flaccida Lowell Ahart 2007-5-8 13729 Tehama Along flood plain of Dibble Creek, about 100 yards north of Highway 36, about 3.7 miles west of the intersection of Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff 111 Comment
  JEPS118002  Cryptantha flaccida Lowell Ahart, John Dittes 2011-6-9 17470 Tehama On gravel bar,on the southeast side of Acorn Hollow Creek at confluence of Dry Creek, 2.1 miles (air) east of Highway 99, 3.8 miles (air) north of Vina 75 Comment
  JEPS67580  Cryptantha flaccida W. L. Jepson 1899-4-25 21121 Tehama Stivers' Ranch Crane Creek Comment
  JEPS88109  Cryptantha flaccida Vernon H. Oswald and Lowell Ahart 1996-5-6 7507 Tehama BLM parcel along Hwy 36 ne of Red Bluff (0.1 mi n of gravel road and 0.1 mi w of the Jeep Trail, Cascade Range Foothills, Hog Lake Plateau); Hog Lake Plateau, Cascade Range Foothills 213 Comment
  CHSC77551  Cryptantha intermedia Heidi West; Natalie Wight 1998-8-21 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 268 Comment
  CHSC88506  Cryptantha intermedia Jenny Marr; Caroline Warren 1999-4-28 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. On gravel bar in the creek. 289 Comment
  JEPS67654  Cryptantha intermedia W. L. Jepson 1932-5-9 16317 Tehama Paskenta 304 Comment
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Jul 1 2009
  RSA90793  Cryptantha intermedia M. S. Baker 1953-5-9 12579 Tehama Logging road west of Paskenta near 6 mile post. Comment
  RSA90792  Cryptantha microstachys Milo S. Baker 1953-5-9 12580 Tehama Logging road W of Pakenta in foothills, near 6 mile post Comment
  JEPS18340  Cryptantha milobakeri Milo S. Baker and H. K. Wagnon 1953-5-31 12714 Tehama w of Paskenta (near 5 mi post, w Tehama County) Comment
  UC703113  Cryptantha torreyana Alice Eastwood and John Thomas Howell 1941-7-9 9771 Tehama between Log Spring and Government Flat; Log Spring Ridge Comment
  CHSC117153  Cryptantha torreyana var. torreyana Lowell Ahart; John Dittes 2016-6-22 21025 Tehama North of the dirt road and Deer Creek, about 5/8 mile southwest of the fish ladder on Deer Creek, about 0.3 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 5/8 miles by trail to Highway 32. 908 Comment
  JEPS28761  Cryptogramma cascadensis George W. Gillett 1957-8-13 1056 Tehama 1/2 mi above Sulphur Works Checking Station (near first major stream crossing, Brokeoff Mt Trail); Lassen Volcanic Nat'l Park 2133 Comment
  CHSC68566  Cupressus bakeri John Ost; Steven Sayre 1997-5-9 Tehama South side of Cub Creek on the east side of Deer Creek Canyon between Potato Patch and Alder Creek campgrounds. 1341 Comment
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Aug 3 2012
  SBBG119737  Cuscuta californica L. Ahart 2004-6-11 11017 Tehama NW of the Nomalaki Trail, ca. 100 yds N of Bowers Crk, ca. 0.75 mi NW of Forest Rd 23N69 (Mud Flat Rd), ca. 6.5 air mi SW of Paskenta 553 Comment
  JEPS110398  Cuscuta californica var. breviflora Lowell Ahart 2006-8-15 13199 Tehama East of Colby Creek, west of the poor dirt road, about 3/4 mile northwest of the Snowmobile Area, about 1 1/4 miles (air) northwest of Jonesville, about 4 3/4 miles (air) northeast of Butte Meadows 1503 Comment
  CDA39913  Cuscuta californica var. californica L. Ahart 2004-6-11 11017 Tehama Northwest of the Nomalaki Trail, about 100 yards north of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. Comment
  CHSC84544  Cuscuta californica var. californica John Dittes; Lowell Ahart 2003-6-12 2003 -68 Tehama Cascade Range Foothills; ca. 7.3 air-mile east of Sacramento River, ca. 7.7 air-miles north by northeast of Dales, ca. 3.2 air-mile West of Darrah Springs State Fish Hatchery. Along Coleman Canal Road. 176 Comment
  CHSC87851  Cuscuta californica var. californica Lowell Ahart 2004-6-11 11017 Tehama Northwest of the Nomalaki Trail, about 100 yards north of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. 553 Comment
  CHSC117645  Cuscuta campestris Lowell Ahart; John Dittes 2016-8-24 21262 Tehama About 20 yards west of the Sacramento River, Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. 117 Comment
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Sep 12 2018
  JEPS96036  Cuscuta campestris Vernon H. Oswald and Lowell Ahart 1996-7-8 7981 Tehama along Paynes Creek at the former bridge site at the W end of the gravel road; BLM parcel along Hwy 36 NE of Red Bluff; Hog Lake Plateau; Cascade Range Foothills 97 Comment
  CHSC107365  Cuscuta howelliana Lowell Ahart; John Dittes 2011-6-9 17441 Tehama Rio De Los Molinos Land Grant. on the bottom of a small vernal pool, about 50 yards east of a large vernal pool, sand dune area, about 40 yards south of the fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) northeast of Vina. 80 Comment
  JEPS100395  Cuscuta howelliana Dean W. Taylor 1995-5-9 14897 Tehama ca. 10 miles SE of Corning, South Fork Hall Creek 140 Comment
  UCD21118  Cuscuta howelliana Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-24 294 Tehama Vina Plains, SW of Highway 99 and Rowles Road. Pool # ROW002. UTMs 10S0584437; 4416064. Comment
  JEPS49764  Cycladenia humilis var. humilis Jos. Grinnell 1927-6-17 Tehama Lassen Peak Region, Viola Rd. 1706 Comment
  HSC37555  Cynodon dactylon J. D. Ackerman, A. M. Montalvo 1975-7-17 569 Tehama Dry creek, 14.5 mi. from Tehama-Shasta Co. line, Hwy. 36 Comment
  RSA123572  Cynoglossum occidentale G. D. Barbe 1955-7-22 249 Tehama About 1/8 milewest of Square Lake along the trail to Long Lake. 2104 Comment
  UC1001322  Cynoglossum occidentale Louise Kellogg 1952-7-15 58 Tehama directly s. of S. Yolla bolly Mt. (near Squaw Camp and Pole Corral on Boswell Ridge); North Coast Ranges, Mendocino Nat'l Forest 2133 Comment
  RSA90824  Cynoglossum occidentale Milo S. Baker, H. K. Wagnon 1953-7-11 12842 Tehama 3 miles beyond Whitlock Camp. 1524 Comment
  CHSC84590  Cyperus difformis Lowell Ahart; John Dittes 2003-9-17 10595 Tehama On a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  JEPS105062  Cyperus difformis Dean W. Taylor 1992-10-8 13262 Tehama Coyote Creek; ca. 5 miles S of Red Bluff, at crossing of Rawson Road 97 Comment
  CAS-BOT-BC114581  Cyperus eragrostis Larry L. Norris 1968-1-1 3 Tehama Deer Creek, Hwy 32, 4.5 mi NE 1219 Comment
  CHSC65140  Cyperus esculentus Vernon H. Oswald; Lowell Ahart 1995-7-31 7158 Tehama Cascade Range Foothills. Manton Rd. (A6) 5.8 mi NE of Dales (on Hwy. 36), 2.5 mi SW of its jct. with Lane Valley Rd. 329 Comment
  CHSC102683  Cyperus squarrosus Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16336 Tehama On a small mound, island when pond is full, about 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. T29N R04E, area between southeast 1/4 Section 23 and southwest 1/4 Section 24. 1493 Comment
  CHSC115536  Cyperus squarrosus Lowell Ahart; John Dites, Josephine Guardino, Steve Green. 2015-7-31 20410 Tehama Northwest strand of Wilson Lake,east of County Road 769, 2.05 air-miles east of intersection of State Highway 36 and Wilson Lake Road, 2.32 air-miles north-northeast of Gurnsey Creek Campground, 10.74 air-miles south-southeast of Lassen Peak. 1606 Comment
  CHSC43520  Cyperus squarrosus Lowell Ahart 1978-5-23 1740 Tehama Bottom of a small wash, near Foothill Road, east of Red Bluff. 67 Comment
  JEPS115393  Cyperus squarrosus Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16336 Tehama On a small mound, island when pond is full, about 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Cre 1493 Comment
  CHSC88786  Cyperus strigosus Jenny Marr 1993-8-1 189 Tehama Tehama/Shasta County. Battle Creek Wildlife Area, +/- 20 air miles NE of the town of Redding. 121 Comment
  HSC95441  Cyperus strigosus L. Ahart, John Dittes 2003-9-17 10598 Tehama S side of Deer Creek about 400 yds. E of Hwy. 99, about 5 air mi. SE of Los Molinos 61 Comment
  RSA0112569  Cypselea humifusa Lowell A. Ahart 2013-8-8 19000 Tehama About 100 yards west of Black Butte Road, about 200 yards north of Stony Creek, about 1/8 mile east of Black Butte Dam. 106 Comment
  JEPS127207  Cystopteris fragilis Lowell Ahart, John Dittes 2016-6-22 21032 Tehama About 30 yards south of the fish ladder on Deer Creek, about 0.9 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. Comment
  RSA67477  Cystopteris fragilis P. A. Munz 1951-7-18 16685 Tehama North slope of North Yolla Bolly Peak. 1982 Comment
  CAS-BOT-BC189845  Dactylis glomerata P. A. Munz 1951-7-27 16966 Tehama South base of South Yolla Bolly Mountains. 2133 Comment
  SEINET3926978  Danthonia unispicata Helen K. Sharsmith 1954-6-24 4348 Tehama Southwest ridge leading to Eagle Peak, one mile below summit, Mendocino National Forest.; 0 1067 Comment
  UCD61363  Danthonia unispicata Dean W. Taylor 1976-7-9 6037 Tehama At headwaters of Cub Creek. 1859 Comment
  SEINET4344387 Image available Danthonia unispicata Barbara Ertter, Brad Olson 1991-7-4 10215 Tehama Toomes Camp Rd. (Mendocino FR 23N01) 12.5 mi W of Paskenta, 0.1 mi E of Elder Cr /Riley Ridge jct, ca 25 airmiles W of Corning; vernally wet opening in chaparral with scattered pines, on serpentinite. 1097 Comment
  UC1949097  Datisca glomerata Barbara Ertter with Brad Olson 1991-7-4 10281 Tehama Ball Rock / Toomes Camp Rd (M2); 0.6 mi N of Trough Ridge jct, 19.4 mi from Paskenta, ca 3.5 airmiles S of Ball Rock ca 28 airmiles W of Corning Comment
  CHSC64686  Daucus pusillus Vernon H. Oswald 1995-5-9 6714 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff, se of Pool 20. 213 Comment
  CHSC78785  Daucus pusillus Julie Cunningham; Jenny Marr, Caroline Warren 1998-5-11 Tehama Vicinity of Round Valley Road and Newville Road (Garland Road). 280 Comment
  UCSB63852  Daucus pusillus Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Hwy. 36 NE of Red Bluff in Tehama Co.; T28N R2W SE1/4 NE 1/4 Sect. 8; Cascade Range Foothills; near Hwy.36 201 Comment
  UC1002625  Delphinium antoninum Milo S. Baker 1953-6-21 12778 Tehama logging road w Paskenta; Henderson's Canyon 1524 Comment
  CAS-BOT-BC9045  Delphinium decorum subsp. tracyi Milo S. Baker 1953-6-12 12858 Tehama West of Paskenta, 5.1 mi. above Whittock Camp on County Road 1676 Comment
  SEINET5338024  Delphinium hansenii B. Blincoe 1961-4-29 s.n. Tehama 25 miles east of Red Bluff. 914 Comment
  CHSC84656  Delphinium hesperium subsp. hesperium Samantha Mackey Hillaire; Brian Elliott 2003-5-31 345 Tehama Lassen National Forest, Ishi Wilderness. Rancheria Creek Trail, S of trail split, on the W branch of the trail. 701 Comment
  JEPS94396  Delphinium hesperium subsp. hesperium Vernon H. Oswald and Lowell Ahart 1997-5-14 8461 Tehama n of Cohasset and 1.5 mi n of Deer Creek (on Ponderosa Way (Forest Road 28N29)); Ponderosa Way 694 Comment
  HSC73415  Delphinium hesperium subsp. pallescens Robert Kirkpatrick, Doug Renwick 1981-5-10 132 Tehama 20 mi. E of Harrison Gulch on Hwy. 36 2439 Comment
  RSA49233  Delphinium hesperium subsp. pallescens P. A. Munz 1949-5-14 13193 Tehama 5 miles N of Red Bluff. Comment
  CHSC118203  Delphinium nudicaule Tim Kask 2016-4-7 260 Tehama Antelope Creek, from Fischer CG. Near creek bank. 10T 0597252/4455584 Comment
  CAS-BOT-BC116023  Delphinium nuttallianum C. Canby 1929-6-18 s.n. Tehama Mineral Comment
  RSA647853  Delphinium nuttallianum James Buel 1957-6-30 137 Tehama Turner Mt. Trail, Lassen National Forest Comment
  JEPS43416  Delphinium patens Jos. Grinnell 1925-6-18 Tehama Mineral 1463 Comment
  UC1002624  Delphinium patens subsp. patens Keith Wagnon 1953-5-10 12630 Tehama logging rd sw Paskenta (near 10 mi post) Comment
  CHSC23630  Delphinium variegatum B. Garamendi 1974-5-11 46 Tehama Mill/Deer Creek Study Area. 200 ft. s of Mill Creek on Ponderosa Way. 670 Comment
  SEINET7067165  Delphinium variegatum A. G. Vestal 1947-5-2 s.n. Tehama Roadside about 13.5 miles west of Cottonwood and 0.5 mile north of Route 36. Coordinate datum: NAD27. Comment
  CHSC36366  Delphinium variegatum subsp. variegatum J. D. Jokerst 1982-4-8 1521 Tehama Along the edges of road. Highway 99 1.0 mi N of its junction with Singer Creek. Comment
  HSC1658  Deschampsia danthonioides Larry Berti 1969-5-9 74 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  JEPS105848  Deschampsia danthonioides Lowell Ahart 2004-4-29 10796 Tehama On the northeast side of Dead Rabbit Lake, east of the Nomalaki Trail, about 3/4 mile northwest of Bowers Creek, about 1 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta 571 Comment
  JEPS68501  Deschampsia danthonioides W. L. Jepson 1899-4-30 Tehama Red Bluff Comment
  CHSC90893  Deschampsia elongata Niall McCarten; Roxanne Bittman 1986-6-14 5321 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 0.25 mi. W of jct. Rd. 25N41 and Rd. 25N32. 1828 Comment
  HSC74962  Deschampsia elongata J. P. Smith, Thomas W. Nelson 1979-6-24 10187 Tehama Rd. to Stuart Gap, 0.8 mi. from Tedoc Gap. 1372 Comment
  CHSC68942  Descurainia incana Vernon Oswald; Lowell Ahart 1997-7-7 8679 Tehama Lookout on Tomhead Mtn. near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. Near the lookout. 2057 Comment
  JEPS9569  Dicentra formosa Joseph Grinnell 1925-6-18 Tehama Mineral 1463 Comment
  UC1001315  Dicentra formosa Louise Kellogg 1952-7-14 41 Tehama from Ovenlid to South Yolla Bolly Mountain (Square Lake trail); North Coast Ranges, Mendocino National Forest 1828 Comment
  CAS-BOT-BC402489  Dicentra formosa subsp. formosa Marion Ownbey; Gerald B. Ownbey 1946-6-23 2934 Tehama 8 mi. south of Morgan Springs Comment
  SJSU9949  Dichelostemma capitatum J. E. Gauman 1964-3-27 Tehama Antelope Canyon, Red Bluff Comment
  CHSC64247  Dichelostemma capitatum subsp. capitatum Lisa Krajcirik 1990-3-24 3 Tehama Ca. 1 mi e of Hwy 99W ca. 1000 ft n Thomes Creek. 91 Comment
  UCR263460  Dichelostemma multiflorum Barbara Ertter 1990-5-12 8929 Tehama northwest side of Dry Fork Creek northwest of the junction of Hwy 36 and Route A5 (Bowman Road) c. 15 air miles west-northwest of Red Bluff, on Reed property 183 Comment
  CAS-BOT-BC502678  Dichelostemma multiflorum Alice Eastwood; John Thomas Howell 1941-7-9 9780 Tehama Long Spring Ridge between Log Spring and Government Flat Comment
  RSA49304  Dichelostemma multiflorum Philip A. Munz 1949-5-14 13198 Tehama 5 miles N of Red Bluff Comment
  CAS-BOT-BC290950  Dieteria canescens var. shastensis Freed Hoffman 1949-7-21 2833 Tehama Tedoc Gap, extreme nw. Tehama Co. 1371 Comment
  CHSC66221  Digitaria sanguinalis Vernon H. Oswald; Lowell Ahart 1996-6-3 7726 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On a gravel bar on the E side of Paynes Creek just upstream from the Sacramento River. 91 Comment
  HSC101765  Digitaria sanguinalis J. P. Smith 2011-9-23 13429 Tehama Roadside in agricultural fields along U.S. 99, north of its junction with 4th Avenue 79 Comment
  CAS-BOT-BC153498  Diplacus layneae Milo S. Baker; H. K. Wagnon 1953-5-10 12621 Tehama Logging rd West of Paskenta, near 10 mi. post Comment
  CHSC80877  Diplacus layneae Lowell Ahart 2001-6-16 8854 Tehama On south side of the dirt road, about 4 1/2 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1112 Comment
  CHSC69665  Diplacus torreyi Vernon Oswald; Lowell Ahart 1997-9-9 8869 Tehama Forest Rd. 26N09 at Cascade Creek, northwest of Chico Mdws., 1.1 mi southeast of Hwy. 32. 1219 Comment
  CHSC80878  Diplacus torreyi Lowell Ahart 2001-6-8 8792 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  CHSC77025  Dipsacus fullonum L. P. Janeway 1999-6-19 6474 Tehama Along Hwy 99, 100 ft north of the county line with Butte County; between Singer Creek and Pine Creek. 59 Comment
  SEINET198079 Image available Dodecatheon alpinum Louise Kellogg 1952-7-14 42 Tehama Mendocino National Forest; Square Lake Trail from Ovenlid toward South Yolla Bolly Mountain. 1829 Comment
  HSC89734  Dodecatheon clevelandii subsp. patulum Robin Bencie, James Jones, Rich Dwerlkotte 1989-3-31 6 Tehama Hwy. 36, approx. 11 mi. E of Sacramento River in Red Bluff 274 Comment
  CHSC77367  Dodecatheon hendersonii Heidi West; L. P. Janeway 1999-3-3 Tehama Vicinity of Sunflower Gulch and Red Bank Creek. 304 Comment
  SEINET194882 Image available Dodecatheon hendersonii A. A. Heller 1918-4-28 13002 Tehama Bennett Springs. Comment
  POM129380  Dodecatheon jeffreyi W. P. Taylor 1913-8-2 s.n. Tehama 2 mi S. of Yolla Bolly Mt. Comment
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Jul 5 2009
  UCD55039  Downingia bacigalupii Dean W. Taylor; G. L. Stebbins and L. Heckard 1972-6-18 1526 Tehama On Tedoc Mt. near Tedoc Gap. 1371 Comment
  UC2043174  Downingia bicornuta var. bicornuta Barbara Ertter with Jim Nelson, Julie Kierstead and Bob Orange 1990-5-13 8942 a Tehama Ca. 2 miles NW of Tuscan Butte, ca. 10 air miles NE of Red Bluff. Comment
  CHSC70876  Downingia cuspidata Vernon Oswald; Lowell Ahart 1998-4-27 8977 Tehama Vestal Rd. 4.9 mi w of its junction with Cannon, Pettyjohn, and Reeds Creek roads, west of Red Bluff and south of Hwy. 36. 292 Comment
  JEPS108515  Downingia cuspidata Lisa Schultheis 1995-4-13 5 -95 Tehama Along Ink Creek Road, near Dale's Lake (on Route A6, northwest of Red Bluff) Comment
  UCD80191  Downingia cuspidata CNPS SN Foothill Team 2005-5-10 SNFN 0237 Tehama BLM Hog Lake/Paynes Creek, Hog Lake Platea, west of Hog Lake. 263 Comment
  CHSC65723  Downingia pusilla Vernon H. Oswald 1996-4-3 7310 Tehama Thomas Creek Ecological Reserve. CDFG parcel on the s side of Gyle Rd. NW of Corning. NW side of Sacramento Valley. Locally abundant on the drying bed of a shallow, vernally flooded drainage ca. 100 ft. S of the intermittent stream and ca. 0.2 mi E of the dirt lane along the W. side of the parcel. 103 Comment
  JEPS105197  Downingia pusilla Dean W. Taylor 1995-5-12 14901 Tehama ca. 8 miles SE of Corning, North Fork Hall Creek 137 Comment
  JEPS108455  Downingia pusilla Lisa Schultheis with Carol Witham 1995-4-13 4 -95 Tehama Near Red Bluff. Pool along PG&E pipeline; south of Gylie Rd.; west of Rawson Comment
  JEPS90707  Downingia pusilla Dean Wm. Taylor, Glenn L. Clifton, Rexford E. Palmer 1987-4-23 8934 Tehama 0.3 mi w Paskenta [Road] (approx. 3.5 mi w of Interstate 5 and 10 mi se of Red Bluff, w of Gerber 7 1/2 quadrangle); Sacramento Valley, Oat Creek 103 Comment
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Apr 10 2009
  JEPS97458  Draba verna var. aestivalis Vernon H. Oswald and L. Ahart 1995-2-13 6482 Tehama Dales Lake Ecological Reserve. Dales Lake Ecological Reserve. T29N R2W NE1/4 NE1/4 Sec. 26, 750 ft, Cascade Range Foothills, Blue Oak Woodland. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 228 Comment
  UCSB63930  Drymocallis glandulosa var. glandulosa Oswald, Vernon; Ahart, Lowell 1996-5-6 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; T28N R3W SW1/4 SW1/4 Sect. 13, Cascade Range Foothills 182 Comment
  JEPS115692  Drymocallis glandulosa var. reflexa Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16325 Tehama On the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak 1493 Comment
  CHSC66878  Dysphania ambrosioides Vernon H. Oswald; Lowell Ahart 1996-9-4 8261 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Scattered plants on gravel bars along Paynes Creek ca. 1 mi upstream from the old bridge site. 131 Comment
  CHSC78974  Dysphania ambrosioides Vernon H. Oswald 2000-10-14 9980 Tehama Black Butte Rd. 0.5 mi south of County Rd A9 (Corning-Paskenta Rd). 109 Comment
  JEPS127143  Dysphania pumilio Lowell Ahart, John Dittes 2016-8-25 21277 Tehama Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. Comment
  CHSC69487  Echinochloa colona James D. Jokerst; Jeri Donovan 1981-9-30 1500 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd., ca. 0.5 mi E of Bell Ranch on S bank of Pine Creek. Comment
  CHSC40802  Eleocharis acicularis Pauleen Broyles 1982-6-24 771 Tehama The Nature Conservancy Vina Plains Preserve. Bank of irrigation ditch just s of Lassen Rd. 60 Comment
  JEPS66414  Eleocharis acicularis L. R. Heckard and P. Rubtzoff 1971-7-31 2676 Tehama just NE of Red Bluff (land-locked lagoon off the Sacramento River) Comment
  JEPS88138  Eleocharis acicularis Vernon H. Oswald and Lowell Ahart 1996-7-8 7970 Tehama BLM parcel along Hwy 36 ne Red Bluff (flood plain of creek e of mouth of intermittent stream crossing ne corner of parcel); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 158 Comment
  CAS-BOT-BC113742  Eleocharis acicularis Philip Alexander Munz 1951-7-26 16952 Tehama On sandy lake shore, Square Lake, n. base of South Yolla Bolly Pk. 2133 Comment
  CAS-BOT-BC113744  Eleocharis acicularis Philip Alexander Munz 1951-7-25 16874 Tehama On drying, stony bare flat near small stream, 1 mi. E of Square Lake, South Yolla Bolly Mts. 2133 Comment
  JEPS66415  Eleocharis bella L. R. Heckard and P. Rubtzoff 1971-7-31 2677 Tehama just NE of Red Bluff (land-locked lagoon off the Sacramento River) Comment
  CHSC78923  Eleocharis macrostachya Julie Cunningham; Jenny Marr, Caroline Warren 1998-5-11 Tehama Vicinity of Round Valley and Newville Road (Garland Road). 280 Comment
  CHSC87943  Eleocharis macrostachya Lowell Ahart 2004-6-28 11136 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  RSA794948  Eleocharis palustris L. Ahart, Josephine Guardino, John Dittes 2009-8-27 16335 Tehama About 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A., 2.3 air miles northeast of the town of Mill Creek, 9.1 air miles south of Lassen Peak. 1494 Comment
  CHSC113348  Eleocharis parishii Lowell Ahart; John Dittes 2014-5-16 19487 Tehama Where poor dirt road fords water ditch, about 1 1/2 miles east of the end of Lyon Cattle Road, about 3 1/2 miles (air) northeast of Los Molinos. 99 Comment
  UCD49733  Eleocharis quadrangulata G. F. Hrusa; J. Hart 1999-4-29 15027 Tehama Coyote Creek Conservation Area, s of Red Bluff. Large colony in dug out spring, in lower part of area. UTM: 10T, 0560742 E, 4439349 M. 152 Comment
  RSA67183  Eleocharis quinqueflora Phillip A. Munz 1951-7-25 16854 Tehama Square Lake, north base of South Yolla Bolly Mountains 2134 Comment
  CHSC80096  Eleocharis radicans L. P. Janeway; B. Castro 2000-5-11 6714 Tehama Vicinity of Rice Creek, west of Hwy I-5. 89 Comment
  RSA518660  Eleocharis radicans L. R. Heckard, Peter Rubtzoff 1971-7-31 2677 Tehama Tehama County: Damp mud of land locked lagoon off the Sacramento River just NE of Red Bluff. Comment
  JEPS104257  Eleocharis suksdorfiana Lowell Ahart 2003-8-23 10533 Tehama Meadow, ca 50 yd e of Square Lake, ca 3/4 mi ne of Mount Linn, South Yolla Bolly. 2112 Comment
  JEPS124409  Eleocharis suksdorfiana Lowell Ahart, John Dittes 2015-8-6 20502 Tehama West side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mountain, 10.41 air-miles south of Lassen Peak. Comment
  CAS-BOT-BC112017  Eleocharis suksdorfiana Philip Alexander Munz 1951-7-25 16854 Tehama Common perennial on wet banks in hanging meadow of Red Fir Forest, Square Lake 2133 Comment
  CHSC105213  Elodea canadensis Lowell Ahart; John Dittes 2010-7-19 16888 Tehama About 10 yards south of the poor road crossing, on the bottom of the South Fork of Battle Creek, about 3.3 miles (air) southwest of Manton, about 4.2 miles (air) north of Highway 36 and Lane Valley Road intersection. 432 Comment
  JEPS66418  Elodea canadensis L. R. Heckard and P. Rubtzoff 1971-7-31 2680 Tehama just ne Red Bluff (lagoon off the Sacramento River); Sacramento River Comment
  RSA121623  Elymus X hansenii G. D. Barbe 1955-7-21 224 Tehama Growing on a rocky hill at the west shore of Square Lake 2104 Comment
  CHSC53329  Elymus caput-medusae Vernon H. Oswald 1991-3-21 4471 Tehama Irwin Rd, near the Buckhorn Area of Black Butte Reservoir. Along the sides of the road. 140 Comment
  CHSC64586  Elymus caput-medusae Vernon H. Oswald; Lowell Ahart 1995-4-3 6582 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On the slope between the two streams converging at the w boundary on the s edge of the ridge crossing the nw corner of the reserve. 201 Comment
  HSC1784  Elymus glaucus Larry Berti 1969-5-9 89 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  UCD80541  Elymus glaucus CNPS SN Foothill Team 2005-6-29 SNNR 0437 a Tehama USFS Lassen National Forest. 969 Comment
  CHSC80717  Elymus glaucus subsp. glaucus Lowell Ahart 2001-6-8 8800 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  CHSC86978  Elymus glaucus subsp. glaucus Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-7-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. South bank of creek. 289 Comment
  CHSC108652  Elymus multisetus B. Castro; L. P. Janeway 2000-7-15 1299 Tehama Inner North Coast Ranges. Ca 7.1 mi w of Pasdenta along Rd M2, at Beehive Flat. 670 Comment
  UCD80545  Elymus multisetus CNPS SN Foothill Team 2005-7-1 SNNR 0492 d Tehama USFS Lassen National Forest, ca.1/4 mile south of Lassen Trail trailhead. 1171 Comment
  CHSC61692  Elymus sierrae Vernon H. Oswald; Lowell Ahart 1993-9-2 5912 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. Near the summit. 2438 Comment
  JEPS87471  Elymus sierrae Vernon H. Oswald and Lowell Ahart 1993-9-2 5912 Tehama ca 20 air mi nw Paskenta, (ridge running e from Mt. Linn, n slope of ridge near summit); South Yolla Bolly Mtns. 2438 Comment
  CHSC80718  Elymus trachycaulus subsp. subsecundus Lowell Ahart 2001-6-8 8809 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS108868  Epilobium brachycarpum Lowell Ahart 2006-7-26 13075 Tehama On the west edge of the dirt road, about 20 yards east of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 mile (air) northeast of Butte Meadows 1518 Comment
  RSA718734  Epilobium brachycarpum L. Ahart 2006-7-25 13075 Tehama On the northeast edge of the dirt road, about 20 yards east of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1519 Comment
  POM304453  Epilobium brachycarpum Alice Eastwood, John Thomas Howell 1941-7-9 9840 Tehama Log Spring Ridge between Log Spring and Government Flat. Comment
  CHSC87330  Epilobium campestre Lowell Ahart 2004-4-29 10793 Tehama On the northeast side of Dead Rabbit Lake, east of the Nomalaki Trail, about 3/4 mile northwest of Bowers Creek, about 1 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 571 Comment
  HSC24235  Epilobium canum subsp. latifolium John Pratt 1970-8-20 78 Tehama Alder Campground on Hwy. 32, 15 mi. E of Lomo Comment
  SEINET13709356  Epilobium canum subsp. latifolium Lowell William Ahart, Lowell William Ahart 2001-1 9183 Tehama Hwy 32 about 4 Mi. S of Bridge across Deer Creek (T27N, R3E, sec 36, SE 1/4) 4000 Ft 1219 Comment
  JEPS105920  Epilobium ciliatum subsp. ciliatum Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11199 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff 655 Comment
  RSA718737  Epilobium ciliatum subsp. ciliatum L. Ahart 2006-7-25 13076 Tehama About 20 yards east of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1519 Comment
  HSC93244  Epilobium ciliatum subsp. ciliatum Vernon H. Oswald, L. Ahart 1996-9-4 8265 Tehama Hog Lake Plateau: BLM parcel along Hwy. 36 NE of Red Bluff, Cascade Range Foothills, edge of Paynes Creek, 1 mi. upstream from the old bridge site 131 Comment
  JEPS94506  Epilobium ciliatum subsp. glandulosum Vernon Oswald and Lowell Ahart 1997-7-7 8669 Tehama 0.5 mi n of Tomhead Saddle (near the ne corner of Yolla Bolly Middle Eel Wilderness on Forest Road 27N06); Yolla Bolly Middle Eel Wilderness, Forest Road 27N06 1676 Comment
  RSA66612  Epilobium ciliatum subsp. glandulosum P. A. Munz 1951-7-25 16904 Tehama Square Lake, N base of South Yolla Bolly Mountains. 2134 Comment
  CHSC109233  Epilobium cleistogamum Robert Fischer 2012-6-3 1059 Tehama Northern Sacramento Valley, north of Chico, southernmost portion of Tehama County. off of Hwy 99 and 0.4 miles west on Haile Road. Vina Plains Preserve, Wurlitzer Unit. 59 Comment
  CDA38095  Epilobium cleistogamum Ken Fuller & T. C. Fuller 1990-7-14 s.n. Tehama Vina Plains, east side of Highway 99E. 0 Comment
  UC764939  Epilobium densiflorum R. F. Hoover 1938-6-10 3590 Tehama s Red Bluff; Coyote Creek bridge Comment
  CHSC64918  Epilobium foliosum Vernon H. Oswald; Lowell Ahart 1995-6-13 6866 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Between Manton Rd. and the fence e of the Old Hwy. Pool. 219 Comment
  UC873371  Epilobium glaberrimum subsp. glaberrimum A. A. Heller 1937-6-26 15345 Tehama along creek on slope w Deer Creek Meadow; Deer Creek 1371 Comment
  UCD106320  Epilobium glaberrimum subsp. glaberrimum Dean W. Taylor 1976-7-7 6020 Tehama Highway 32 in canyon of Deer Cr. near Alder Cr. campground approx. 7.8 miles west of jct. with Highway 89. 1173 Comment
  UC54448  Epilobium hallianum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4339 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  RSA94029  Epilobium hallianum Milo S. Baker, J. K. Wagnon 1953-7-12 12883 Tehama 6.1 miles from Whitlock Camp along County Road. 1829 Comment
  CHSC67257  Epilobium minutum James D. Jokerst 1983-5-10 1746 Tehama Wurlitzer Ranch E of Meridian Rd., top of bluff that is the S bank of Zimmershed Creek where the flow changes from S to W. 103 Comment
  CHSC77611  Epilobium minutum Heidi West; Caroline Warren, Jenny Marr 1998-5-20 Tehama Vicinity of South Fork Cottonwood Creek and Cooks Flat. 335 Comment
  CHSC86563  Epilobium minutum Jenny Marr; Caroline Warren 1998-5-19 Tehama Vicinity of Salt Creek and Newville Road. 256 Comment
  CDA38102  Epilobium pallidum L. Ahart, John Dittes 2003-6-11 10247 Tehama On the west side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. Comment
  CHSC84286  Epilobium pallidum Lowell Ahart; John Dittes 2003-6-11 10247 Tehama On the west side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  JEPS119868  Epilobium pallidum Lowell Ahart 2012-6-2 18145 Tehama On the east side of Long Road, about 6.7 miles northeast of Dales and State Highway 36, northeast of Red Bluff. Comment
  CHSC109230  Epilobium torreyi Robert Fischer 2012-5-20 1063 Tehama Northern Sacramento Valley, north of Chico, within the southernmost portion of Tehama County, off of Hwy 99 and 0.4 miles west on Haille Road. Vina Plains Preserve, Wurlizer Unit. 56 Comment
  JEPS104295  Epilobium torreyi Lowell Ahart 2003-6-11 10248 Tehama On the w side of Battle Creek, ca 1 mi n of Manton Rd, ca 1 1/2 mi (air) ne of the Colman Power House, ca 5 mi (air) wsw of Darah Springs State Fish Hatchery, ca 10 mi (air) ene of Cottonwood. 153 Comment
  JEPS38193  Epilobium torreyi W. L. Jepson 1927-6-19 12255 Tehama a few mi w Tuscan Buttes Comment
  RSA755200  Epilobium torreyi L. Ahart, John Dittes, Josephine Guardino 2009-8-27 16318 Tehama E side of Forest Service Road 29N25A, Childs Meadow, about 2600 feet S of the intersection of Highway 36 and Forest Service Road 29N25A, 2.3 air miles NE of the town of Mill Creek, 9.1 air miles S of Lassen Peak. 1494 Comment
  CAS-BOT-BC56969  Equisetum arvense John Thomas Howell 1960-8-18 36053 Tehama Bluff Falls 1981 Comment
  JEPS127318  Equisetum hyemale subsp. affine Lowell Ahart, John Dittes 2016-8-25 21308 Tehama Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. Comment
  CHSC76501  Equisetum laevigatum Heidi West; Beth Hendrickson 1999-6-3 Tehama Vicinity of Salt Creek and Newville. 274 Comment
  UCSB25897  Eragrostis cilianensis Wilken, Dieter; Haller, John; Langford, A. 1968-9-10 Tehama Between Corning and Paskenta; 13 miles west of Corning 152 Comment
  SEINET10562376  Eragrostis cilianensis Virginia E. Long 1931-8-14 Long 101 A Tehama Along highway, altitude 260 feet; Richfield Colony, three miles north of Corning. Comment
  SEINET10562409  Eragrostis cilianensis Vernon H. Oswald, Lowell Ahart 1995-7-17 Oswald 7081 Tehama W side of Manton Rd. (A6) ca. 1 mi N of SDales Station on Hwy. 36, ca. 14 mi NE of Red Bluff. Annual weed along the edge of Inks Creek Rd. (E end). Comment
  SEINET13709436  Eragrostis pectinacea Lowell William Ahart, Lowell William Ahart 2003-1 10604 Tehama 5 Air Mi. SE of Los Molinos (39 Deg 57'14.5"N, 122 Deg 02'52.4"W) 200 Ft. 61 Comment
  HSC95763  Eragrostis pectinacea var. pectinacea L. Ahart, John Dittes 2003-9-17 10606 Tehama S side of Deer Creek about 400 yds. E of Hwy. 99, about 5 air mi. SE of Los Molinos 61 Comment
  JEPS88135  Eremocarpus setiger Vernon H. Oswald and Lowell Ahart 1996-7-8 7955 Tehama NE of Red Bluff (bed of intermittent stream crossing the NE corner of BLM parcel along Hwy 36); Cascade Range Foothills, Hog Lake Plateau 182 Comment
  HSC39118  Eremogone congesta Gary S. Lester, Jeff Witcosky 1973-6-30 48 Tehama Yolla Bolly Wilderness Area, springs at head of Bear Gulch, S facing slope above the S Fork of Cottonwood Creek 2104 Comment
  CHSC76762  Eriastrum brandegeeae L. P. Janeway; B. Castro 1999-6-3 6448 Tehama Side canyon of South Fork Cottonwood Creek. 365 Comment
  CHSC92153  Eriastrum brandegeeae J. Molter 1993-7-20 767 C Tehama Along edges of Pettyjohn Rd. (Long grade). Comment
  CHSC32158  Ericameria greenei James Jokerst 1980-8-22 1104 Tehama North Coast Ranges. Near Mt. Linn. Comment
  CHSC78605  Ericameria linearifolia Julie Cunningham; Natalie Wight, Joyce Lacey 1998-4-28 Tehama Vicinity of North Fork Stony Creek, Round Valley Road, and Newville Road (Garland Road). 274 Comment
  CAS-BOT-BC294312  Ericameria nauseosa var. speciosa H. F. Copeland 1920-8-24 221 Tehama Big summit divide of Butte, Tehama & Plumas Co's 1828 Comment
  CAS-BOT-BC294314  Ericameria nauseosa var. speciosa John Thomas Howell 1960-8-20 36273 Tehama Near Lassen Volcanic National Park. Between Morgan and Childs Meadows 1524 Comment
  CHSC26699  Ericameria nauseosa var. speciosa M. S. Taylor 1977-8-17 1475 Tehama On mountain peak, ca. 1/2 mi n of Old Humboldt Rd, ca. 3 mi e of its jct with Scotts john Rd, no of Jonesville. 1981 Comment
  UCD149551  Ericameria ophitidis G. L. Stebbins 1972-8-18 s.n. Tehama Summit of Little Red Mountain. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CHSC66875  Erigeron canadensis Vernon H. Oswald; Lowell Ahart 1996-9-4 8255 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. Paynes Creek ca. 1 mi upstream from the old bridge site. 131 Comment
  HSC75378  Erigeron compositus J. O. Sawyer, K. A. Sawyer 1980-6-18 3445 Tehama S of N Yolla Bolly Peak. 2348 Comment
  HSC75382  Erigeron compositus J. O. Sawyer, K. A. Sawyer 1980-6-18 3449 Tehama S of N Yolla Bolly Peak. 2348 Comment
  CHSC77303  Erigeron divergens L. P. Janeway; B. Castro, Jenny Marr, Caroline Warren 1999-8-11 6516 Tehama Vicinity of South Fork Cottonwood Creek. 335 Comment
  CAS-BOT-BC300703  Erigeron glacialis var. glacialis John Thomas Howell 1960-8-19 36129 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2346 Comment
  HSC70010  Erigeron greenei Thomas W. Nelson, Jane Nelson 1978-7-21 4442 Tehama Along Tedoc Rd., 10 mi. from junction with Hwy. 36, N side of Mt. Tedoc Comment
  CHSC102487  Erigeron inornatus var. inornatus L. P. Janeway 2009-6-21 9828 Tehama Cascade Range Foothills. Tehama Wildlife Area; near top of ridge overlooking Antelope Creek from the south; along Ishi Road 0.3 road km east of East Grapevine Jeep Trail. 588 Comment
  JEPS94527  Erigeron lassenianus var. lassenianus Vernon Oswald and Lowell Ahart 1997-6-10 8557 Tehama between Paskenta and Covelo on M2 (23N69) 0.1 mi n of its junction with the road to Wells Cabin Campground (24N02) Wells Cabin Campground; between Paskenta and Covelo on M2 1821 Comment
  CHSC118406  Erigeron philadelphicus var. philadelphicus Tim Kask 2016-5-3 271 Tehama Antelope Cr. drainage, McClure Tr. seep. 10T 0599398/4458179 Comment
  SEINET5495499  Eriodictyon californicum E. House 1956-4-27 14 Tehama Alongside California St. Route 36 on the way to Red Bluff 762 Comment
  CHSC88501  Eriogonum compositum var. compositum Jenny Marr; Beth Hendrickson 1999-5-27 Tehama Vicinity of Grizzly Creek, Long Hollow, and Little Grizzly Creek. North-facing bank over creek. 289 Comment
  CHSC76527  Eriogonum dasyanthemum Heidi West; Natalie Wight 1998-8-21 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 268 Comment
  CHSC78389  Eriogonum dasyanthemum Vernon H. Oswald 2000-7-10 9939 Tehama Forest Route 35 at Stuart Gap. 1530 Comment
  CHSC80676  Eriogonum dasyanthemum Lowell Ahart 2001-6-8 8783 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  UC774945  Eriogonum dasyanthemum Carl B. Wolf 1937-9-2 9295 Tehama Paskenta - Covelo Road Inner North Coast Range, Paskenta - Covelo Road 457 Comment
  JEPS81087  Eriogonum libertini Thomas W. Nelson and Jane P. Nelson 1980-6-22 5849 Tehama summit of Mount Tedoc Shasta-Trinity National Forest, Yolla Bolly Quad, Mount Tedo 1584 Comment
  CAS-BOT-BC259393  Eriogonum luteolum Alice Eastwood 1912-8-22 1934 Tehama Payne Creek, Lassen Butte Region Comment
  JEPS88134  Eriogonum luteolum Vernon H. Oswald and Lowell Ahart 1996-7-8 7958 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (bank of intermittent stream crossing the n.e. corner of the parcel near its confluence with Paynes Creek, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 164 Comment
  CAS-BOT-BC263204  Eriogonum marifolium var. marifolium John Thomas Howell 1960-8-19 36199 Tehama Lassen Volcanic National Park. Summit ridge, Brokeoff Mt. 2804 Comment
  CHSC44224  Eriogonum nudum var. nudum Vernon Oswald 1988-7-12 3555 Tehama Ides Cove Loop Trail (9W04), South Yolla Bolly Mts, at Long Lake. Common on dry forest floor near the lake. 2148 Comment
  CHSC87004  Eriogonum nudum var. pubiflorum Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-7-3 Tehama Vicinity of Dry Creek and Red Bank Creek. 274 Comment
  CHSC44225  Eriogonum spergulinum var. reddingianum Vernon Oswald 1988-6-27 3517 Tehama Trail between Ides Cove Trailhead and 25N16 along the e side of the Yolla Bolly--Middle Eel Wilderness w of Paskenta. 2133 Comment
  CHSC64983  Eriogonum strictum var. greenei Vernon H. Oswald; Lowell Ahart 1995-7-12 7040 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on the summit of Tedoc Mtn. (end of Forest Road 28N60). 1615 Comment
  CDA22670  Eriogonum tripodum Vernon Oswald 2000-6-2 9930 Tehama M2 (Toomes Camp Road) 9.4 miles west of Paskenta. Comment
  CHSC80679  Eriogonum tripodum Lowell Ahart 2001-6-14 8840 Tehama About 300 yards north of road M2, and north of the poor dirt road that is used to service the power poles, about 8.5 miles west of Paskenta. 640 Comment
  JEPS87373  Eriogonum umbellatum var. smallianum Vernon H. Oswald and Lowell Ahart 1993-9-2 5899 Tehama ridge running e from Mt. Linn (ca. 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2346 Comment
  CHSC96328  Eriogonum vimineum L. P. Janeway 2006-8-20 8854 Tehama High Cascade Range. Ridge top between Deer Creek and Ninemile Creek, overlooking Devils Parade Ground from the southeast; about 12 m east of Road 26N15 8.0 road km southwest of Soda Springs and Hwy 32. Top of east-facing rocky gravelly volcanic slope; around rocks and boulders with Vulpia. 1079 Comment
  UCD101532  Eriogonum vimineum Dean W. Taylor 1976-7-8 6031 Tehama Highway 32, in canyon of Deer Creek near Alder Creek campground, approx. 7.8 miles west from juction with Highway 89. 1173 Comment
  CHSC76528  Eriogonum wrightii var. trachygonum Heidi West; Caroline Warren 1999-6-10 Tehama Vicinity of Dry Creek and Red Bank Creek. 304 Comment
  CAS-BOT-BC308093  Eriophyllum lanatum var. achilleoides Clare B. Hardham 1971-8-10 18320 Tehama South Yolla Bolly Mountain 2133 Comment
  JEPS97441  Eriophyllum lanatum var. achilleoides Vernon H. Oswald and L. Ahart 1995-7-12 6999 Tehama T29N R9W NW1/4 Sec. 34, 3120 ft, Inner North Coast Ranges, Chaparral, serpentine-derived soil. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 3.2 mi S of Hwy. 36 950 Comment
  UC1051688  Eriophyllum lanatum var. achilleoides Helen K. Sharsmith 1953-6-24 4347 Tehama sw ridge leading to Eagle Peak; Inner North Coast Ranges, Mendocino National Forest 1066 Comment
  CHSC78801  Eriophyllum lanatum var. grandiflorum Julie Cunningham; Natalie Wight 1998-5-19 Tehama Vicinity of North Fork Stony Creek and Rocky Ridge. 274 Comment
  HSC8484  Erodium cicutarium John L. Heywood, D. H. Norris 1968-3-31 1859 Tehama Hwy. 36, 56 mi. E of Shasta Co. line Comment
  CHSC40816  Erodium moschatum Paulenn Broyles 1982-4-28 475 Tehama The Nature Conservancy Vina Plains Preserve. 66 Comment
  JEPS118674  Eryngium articulatum B. Castro 2011-6-22 1889 Tehama Inner North Coast Range/northern Sacramento Valley edge. At S end of Red Bluff, between railroad and Hwy 99W 0.25 mi S of its intersection with on/off-ramps for Hwy I-5, opposite St. Elizabeth's Hospital. Red Bluff E 7.5' quad. Comment
  UC735031  Eryngium articulatum Lincoln Constance and Herbert L. Mason with J. F. Davidson and J. M. Tucker 1947-5-18 3202 Tehama 1 mi. w. Corning (Sacramento Valley); Sacramento Valley 91 Comment
  JEPS122050  Eryngium castrense Lowell Ahart, John Dittes 2014-5-18 19525 Tehama About 2 miles east of the end of Lyon Cattle Road, about 4 miles (air) northeast of Los Molinos. Comment
  UC1552107  Eryngium castrense A. Liston and M. Blumler 1987-4-24 654 -9 Tehama 4-5 mi SW of Dales (Hwy. 36 between Dales and Paynes Creek) Comment
  UC764145  Eryngium castrense R. F. Hoover 1938-6-10 3585 Tehama 6 mi. s. Corning Comment
  UCD77708  Eryngium castrense Robert E. Preston 2002-6-7 1813 Tehama 3 miles n of Dales, along Rd A6. 230 Comment
  SEINET13944074 Image available Eryngium vaseyi Lewis S. Rose 1955-1 55064 Tehama Low rolling plains, 83.5 mi S of Corning, alt. 300 ft 91 Comment
  SDSU2401  Erysimum capitatum R. M. Beauchamp 1965-7-17 Tehama Growing in open area at Windy Cut Look-Out Staton on State Hwy. #32 Comment
  CHSC21476  Erysimum capitatum var. capitatum M. S. Taylor 1975-7-17 858 Tehama Ca. 500 yds s of Carter Meadows, ca. 1/2 mi e of Butte Mountain, ca. 5 mi s of junc of Hwy 32, 36, and 89. 1828 Comment
  UC1001317  Erysimum capitatum var. capitatum Louise Kellogg 1952-7-14 43 Tehama Square Lake trail from Ovenlid toward South Yolla Bolly Mountain; North Coast Ranges, Mendocino National Forest 1828 Comment
  RSA101878  Erysimum capitatum var. perenne G. B. Rossbach, Ruth P. Rossbach 1938-7-20 891 Tehama Just N of Sulphur Works mud volcanoes, Lassen Volcanic Nat. Park. Comment
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Jul 19 2013
  CHSC79573  Erythranthe bicolor S. E. Schoenig 1998-7-5 98 -75 Tehama Hwy 32 1 mi NE of Potato Patch Campground. 1310 Comment
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Mar 10 2006
  CAS-BOT-BC153875  Erythranthe glaucescens Lowell Ahart 1978-5-23 s.n. Tehama East of Red Bluff along Foothill Road 70 Comment
  CHSC118052  Erythranthe guttata Daphne K. Christopher; Lowell Ahart, John Dittes and Hanna Stevens 2003-4-17 190 Tehama Dye Creek Nature Conservancy Preserve. Antelope Creek trail. 767 Comment
  CHSC88635  Erythranthe latidens Lowell Ahart 2004-6-11 10789 A Tehama On the northeast side of Dead Rabbit Lake (note, Dead Rabbit Lake is actually about 1/2 mile northwest of this lake), east of the Nomalaki Trail, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 571 Comment
  SEINET13733409 Image available Erythranthe tilingii Louise Kellogg 1952-1 85 Tehama North Coast Ranges: Mendocino National Forest; Near Squaw Camp and Pole Corral on Boswell Ridge Directly south of South Yolla Bolly Mountain. 2134 Comment
  JEPS96554  Erythronium purpurascens Dean W. Taylor 1997-6-25 16109 Tehama open slopes between Forest Road 28N70 and Turner Lake; Lassen National Forest 1920 Comment
  CHSC70892  Eschscholzia caespitosa Vernon Oswald; Lowell Ahart 1998-4-21 8930 Tehama Inner North Coast Ranges. Nomalaki Trail just north of Bennett Creek (trailhead on Log Springs Rd. (M4) uphill from Wilder Pond, west of Salt Creek Conservation Camp). 548 Comment
  JEPS21008  Eschscholzia caespitosa W. L. Jepson 1899-4-27 Tehama Salt Gulch Greasewood Hills, drainage of the Cold Fork of Cottonwood Cr (e foothills of Yollo Bolly Range) 609 Comment
  UC1873696  Eschscholzia caespitosa Barbara Ertter with Brad Olson 1993-5-15 11747 Tehama SW Tehama Co: Round Valley Road (M-4) ca 6 air miles SW of Paskenta, ca 1/2 mile north of Salt Creek Conservation Camp, edge of Mendocino National Forest. Comment
  CHSC86041  Eschscholzia californica Jenny Marr; Caroline Warren 1998-4-28 Tehama Vicinity of upper North Fork Stony Creek, Newville Road, and Round Valley Road. 182 Comment
  SEINET10476276  Eschscholzia californica David B. Dunn, Billy Joe Cox 1971-6-10 Dunn 17955 Tehama 13 mi e of red bluff on calif. Hwy 36; in live oak. Comment
  CHSC55511  Eschscholzia lobbii Vivian L. Long 1991-4-4 3 Tehama Ca. 10 m from w side of road, Hwy A6, 1.6 km from junction of Hwy 36 and A6. 203 Comment
  JEPS21004  Eschscholzia lobbii W. L. Jepson 1899-4-29 Tehama between South Fork and Dibble Creek; Manzanita Flat Comment
  JEPS97446  Eschscholzia lobbii Vernon H. Oswald and L. Ahart 1995-3-6 6510 Tehama Dales Lake Ecological Reserve. T29N R2W NE1/4 NW1/4 Sec. 26, 700 ft, Cascade Range Foothills, stony Tuscan Loam over hardpan. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  POM272352  Eschscholzia lobbii Lyman Benson 1929-3-26 1053 Tehama Corning. Comment
  CAS-BOT-BC310407  Eucephalus breweri John Thomas Howell 1960-8-19 36132 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  UCD132281  Eucephalus breweri John Thomas Howell 1960-8-19 36166 Tehama Brokeoff Mountain trail. 2682 Comment
  CHSC68582  Euphorbia crenulata Vernon H. Oswald; Lowell Ahart 1997-5-14 8420 Tehama Ponderosa Way (Forest Rd. 28N29) 3.8 mi southeast of Plum Creek Rd. at a low-water crossing of the North Fork Antelope Creek. 938 Comment
  HSC97895  Euphorbia crenulata L. Ahart 2001-6-16 8871 Tehama E side of the dirt road, near Ike Dye Hill, 2 mi. W of Hwy. 32, W of Soda Springs Campground, 3 mi. W of Butte Meadows 1341 Comment
  CHSC87320  Euphorbia oblongata Lowell Ahart 2004-4-15 10749 Tehama On the north side of Tehama Vina Road, about 100 yards north of the Railroad, about 200 yards east of the Sacramento River, in the town of Los Molinos. 57 Comment
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May 6 2010
  RSA739807  Euphorbia oblongata John Dittes, Josephine Guardino 2005-4-13 1061 Tehama Northern Sacramento Valley, E bank of Sacramento River at Southern edge of Mill Creek confluence, sand bar in active floodplain of Sacramento River. 63 Comment
  UCD142640  Euphorbia ocellata State Seed Lab 1928-10-1 1437 Tehama Red Bluff. Comment
  UCD142643  Euphorbia ocellata Rimo Bacigalupi; J. R. Sweeney, G. Bacigalupi 1953-8-29 4341 Tehama Along State Highway 36, above Paynes Creek Canyon, 4.5 miles east of Dales and 3.5 miles west of Paynes Creek Station. 396 Comment
  CHSC66485  Euphorbia spathulata Vernon H. Oswald; Lowell Ahart 1996-5-20 7591 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Slope above Paynes Creek. 164 Comment
  JEPS104377  Euthamia occidentalis Lowell Ahart 2003-9-17 10572 Tehama On a gravel bar on the south side of Deer Creek, ca 400 yd e of Highway 99, ca 5 mi (air) se of Los Molinos. 60 Comment
  JEPS127150  Euthamia occidentalis Lowell Ahart, John Dittes 2016-8-25 21276 Tehama Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. Comment
  RSA700504  Festuca californica L. P. Janeway 2001-6-10 7149 Tehama North Yolla Bolly quad (1:25,000); High North Coast Ranges. Slope above road 28N10, 1.1 km northeast of Stuart Gap. Upper minor side drainage into South Fork Beegum Creek. 1515 Comment
  HSC74845  Festuca idahoensis J. P. Smith, Thomas W. Nelson 1978-7-22 10032 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  UCD66129  Festuca occidentalis A. A. Beetle 1941-6-27 2895 Tehama 10 miles northeast of Lomo, on rte. 32 banks above Deer Creek. Comment
  UCD80550  Festuca occidentalis CNPS SN Foothill Team 2005-7-1 SNNR 0492 e Tehama USFS Lassen National Forest, ca. 1/4 mile south of Lassen Trail trailhead. 1171 Comment
  RSA756698  Floerkea proserpinacoides Barbara Ertter, Brad Olson 1991-7-6 10410 Tehama Rocky cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning 1890 Comment
  RSA66358  Floerkea proserpinacoides P. A. Munz 1951-7-27 16965 Tehama South base of South Yolla Bolly Mts. 2226 Comment
  CAS-BOT-BC459447  Fragaria virginiana subsp. platypetala Saichi Kawahara 1968-5-5 408 Tehama Meadow on Highway 89, St. Bernard, 1 mile west of Plumas County line 1478 Comment
  HSC70139  Frangula californica subsp. crassifolia Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-22 4465 Tehama At jct. of Tedoc Rd. and road to summit of Mt. Tedoc Comment
  HSC71864  Frangula californica subsp. crassifolia Thomas W. Nelson, Jane P. Nelson 1980-6-22 5785 Tehama Along road to Wells Creek Campground, 1 mi. SE of Tedoc Gap 1311 Comment
  CAS-BOT-BC53828  Frangula californica subsp. tomentella M. B. Kildale 1926-9-11 2714 Tehama Paynes Creek - 24 miles east of Red Bluff 365 Comment
  OBI5851  Frangula californica subsp. tomentella Carl B. Wolf 1928-9-13 3434 Tehama 1 mi above Paynes crk on the Red Bluff-Susanville rd 655 Comment
  CHSC91079  Frangula purshiana D. Isle 2002-8-29 275 Tehama Mendocino National Forest--North Coast Ranges. Grindstone Creek Watershed. Below curve in Rd. 23N53. 1280 Comment
  CAS-BOT-BC55736  Frangula rubra subsp. rubra D. Showers 1979-7-9 DS 4276 Tehama west facing ridge below Windy Point east of Ski Chalet, Lassen Volcanic National Park 2072 Comment
  CHSC80229  Fraxinus dipetala B. Castro; L. P. Janeway, S. Innecken 2000-6-5 1184 Tehama Vicinity of Paskenta, Thomes Creek, and Bowers Creek, in rocks at W edge of the smaller creek. 323 Comment
  HSC16185  Fraxinus dipetala John L. Heywood, D. H. Norris 1968-3-31 1880 Tehama Hwy. 36, 53 mi. E of Shasta Co. line Comment
  CDA39690  Fraxinus latifolia G. D. Barbe 1975-10-23 2097 Tehama Bank of canal north of Thomes Creek, 0.8 mile south of Gyle Road on Hall Road. 0 Comment
  CAS-BOT-BC26112  Fremontia californica var. viridis Alice Eastwood; John Thomas Howell 1934-4-21 1850 Tehama Between Payne's Creek and Red Bluff Comment
  JEPS42898  Fremontodendron californicum J. Grinnell 1927-5-12 Tehama Near Paynes Creek 640 Comment
  CHSC77470  Fremontodendron californicum subsp. californicum David Isle 1990-5-2 Tehama 7 miles west of Paskenta on east edge Rd 23N01. 762 Comment
  JEPS94350  Fremontodendron californicum subsp. californicum Vernon H. Oswald and Lowell Ahart 1997-5-14 8412 Tehama Plum Creek Road 0.1 mi w of Hogback Road se of the town of Paynes Creek; Plum Creek Road 969 Comment
  UC1010401  Fritillaria affinis Milo S. Baker and H. K. Wagnon 1953-5-10 12620 Tehama w of Paskenta (on logging road near 13 mi post) Comment
  CHSC40845  Fritillaria pluriflora Pauleen Broyles 1982-3-12 330 Tehama The Nature Conservancy Vina Plains Preserve. 66 Comment
  CHSC82565  Fritillaria recurva Tara Morgan 2002-4-28 49 Tehama Seen along Deer Creek Trail west of the campground downstream of lower Deer Creek Falls. The campground is accessible by vehicle down the forest service road off of Highway 32 (the turnoff is in section 36). All over the trail along Deer Creek. 905 Comment
  CHSC9283  Fritillaria recurva D. C. Burns 1971-4-4 123 Tehama Ca. 0.6 mi n of the intersection of Paynes Creek rd. and Plum Creek rd., ca. 20 yds. E of Plum Creek rd. 548 Comment
  CHSC105867  Galium ambiguum J. K. Nelson; Lauren Johnson, Brad Rust, Talitha Penland Derksen 2010-6-7 2010 -017 Tehama 2 mi S of Tedoc Gap, ca 20 mi west of Red Bluff, along side Forest Road 2712. UTM N10N 4451104.895mN, 508273.045mE. 512 Comment
  CHSC114629  Galium ambiguum V. Long 1991-7-16 130 Tehama Yolla Bolla Ranger District. South side of Round Mountian near summit. 1700 Comment
  JEPS52717  Galium ambiguum subsp. ambiguum Lauramay T. Dempster and G. L. Stebbins Jr. 1964-6-13 3999 Tehama just s Round Mountain (w of Paskenta) 1143 Comment
  UC1019543  Galium ambiguum subsp. ambiguum Louise Kellogg 1952-7-15 53 Tehama on ridge directly s Yolla Bolly Mountain (near Squaw Camp and Pole Corral); North Coast Ranges, Mendocino National Forest, Boswell Ridge 2133 Comment
  JEPS52718  Galium ambiguum var. ambiguum Lauramay T. Dempster and G. L. Stebbins 1964-6-13 4003 Tehama junction of Ball Rock Road and Riley Ridge (Tatham Ridge) Road 1767 Comment
  CHSC54111  Galium andrewsii subsp. andrewsii Vernon H. Oswald; Anne-Lise Feenstra 1991-5-22 4608 Tehama Raglin Ridge Rd, 3.2 miles south-southwest of Colyear Springs Rd, north-west of Paskenta. 792 Comment
  RSA90807  Galium andrewsii subsp. andrewsii Keith Wagnon 1953-5-3 12666 Tehama W of Paskenta along logging road. Comment
  CHSC65769  Galium aparine Vernon Oswald; Lowell Ahart 1996-4-8 7334 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. On a bluff on the N side of the Sacramento River just downstream from the mouth of Paynes Creek. 91 Comment
  JEPS6586  Galium aparine Virginia Bailey 1938-4-16 Tehama on Paskenta-Covelo rd 6 mi w Paskenta Comment
  JEPS6509  Galium bifolium W. L. Jepson 1927-6-24 12326 Tehama Mineral 1524 Comment
  UCD80731  Galium bolanderi CNPS SN Foothill Team 2005-6-22 SNNR 0388 Tehama USFS, Lassen National Forest. 955 Comment
  UC1950162  Galium bolanderi Barbara Ertter with James R. Shevock 1992-6-14 11182 Tehama Ponderosa Way 6.5 miles south of Plum Creek Road ca 9 airmiles SE of Paynes Creek (on Hwy 36), south of Middle Fork Antelope Creek; N-facing hillside Comment
  SD70513  Galium grayanum subsp. grayanum F. Ehrendorfer, Stebbins, Dempster 1959-9-27 5965 Tehama Lassen National Park, Brokeoff Mountain Comment
  CHSC82126  Galium grayanum var. grayanum L. P. Janeway 2001-7-29 7406 Tehama High Cascade Range. 4.8 km southeast of Turner Mountain, along Road 29N48 overlooking Mill Creek. 1736 Comment
  JEPS13253  Galium grayanum var. nanum Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-16 5320 Tehama exposed ridge-top e Mt. Linn summit; South Yolla Bolly Mountain 2346 Comment
  CHSC84303  Galium parisiense Lowell Ahart; John Dittes 2003-6-11 10258 Tehama On the west side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  JEPS97268  Galium parisiense Vernon H. Oswald and L. Ahart 1995-5-16 6728 Tehama T29N R2W NW1/4 NW1/4 Sec. 26, 660 ft, Cascade Range Foothills, stony Tuscan loam. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 201 Comment
  UCSB63873  Galium parisiense Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Red Bluff, T28N R2W SE1/4 NE1/4 Sect 8. 201 Comment
  JEPS52952  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1964-6-13 3996 Tehama w Paskenta (junction of Eagle Peak and Patton Mills roads) 1143 Comment
  SBBG7314  Galium sparsiflorum H. and M. Dearing 1938-6-21 Tehama Deer Crk Cyn, ca. 5 mi N of Loma [Lomo] 1219 Comment
  CHSC94577  Galium trifidum var. pacificum Lowell Ahart 2006-11-9 13263 Tehama Near a bog on the east side of the dirt road, about 150 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1525 Comment
  JEPS108941  Galium trifidum var. pacificum Lowell Ahart 2006-11-9 13263 Tehama Near a bog on the east side of the dirt road, about 150 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525 Comment
  CHSC105915  Galium triflorum B. Castro; L. P. Janeway 1999-8-24 1034 W Tehama High North Coast Ranges. Yolla-Bolly Wilderness, ca 1.6 mi ENE of Buck Rock, along USFS Route M2, between Forks Ridge and Short Ridge at Willow Spring. 1737 Comment
  CHSC68963  Galium triflorum Vernon Oswald; Lowell Ahart 1997-7-7 8688 Tehama Forest Road 27N26 0.4 mi west of its junction with 27N06, west of Saddle Campground, near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. 1066 Comment
  UC1949137  Galium triflorum Barbara Ertter with Brad Olson 1991-7-4 10237 Tehama Toomes Camp Rd (Mendocino FR 23N01) 13.5 mi W of Paskenta, Mill Creek crossing 0.9 mi W of Elder Cr/Riley Ridge jct, ca 27 airmiles W of Corning Comment
  RSA90467  Garrya flavescens subsp. congdonii H. K. Wagnon 1953-5-10 12611 Tehama Below logging road west of Paskenta ca. ten miles. Comment
  SEINET516281  Garrya fremontii Vernon H. Oswald 1997-5-7 8406 Tehama Intersection of Hwys. 36 and 32 between Chester and Childs Mdws. 1420 Comment
  UC1052005  Garrya fremontii R. A. Manning 1954-2-18 2 Tehama 5 mi e Paynes Creek (on Plum Creek road); Lassen National Forest 975 Comment
  JEPS122129  Gastridium phleoides Lowell Ahart, John Dittes 2014-5-16 19493 Tehama About 2 miles east of the end of Lyon Cattle Road, about 4 miles (air) northeast of Los Molinos. Comment
  UCD66602  Gastridium phleoides N. Macleod 1950-12-1 Tehama 3 miles S. of Red Bluff and half mile W. of Hwy. 99. Comment
  UCD66727  Gastridium phleoides Milo S. Baker; H. K. Wagnon 1953-5-30 12680 Tehama West of Paskenta near 5 mi post. 243 Comment
  CHSC102805  Gayophytum diffusum subsp. diffusum Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16319 Tehama On the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. 1493 Comment
  POM304447B  Gayophytum humile Alice Eastwood, John Thomas Howell 1941-7-9 9737 Tehama Log Spring Ridge between Log Spring and Government Flat. Comment
  CHSC27302  Gentianopsis simplex T. B. Devine 1976-8-3 348 Tehama Wilson Lake, meadow .25 mi w of lake beside unimproved road from Hwy 36 past Chester. 1584 Comment
  HSC74860  Gilia capitata J. P. Smith, Thomas W. Nelson 1978-7-22 10029 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  CHSC64980  Gilia capitata subsp. capitata Vernon H. Oswald; Lowell Ahart 1995-7-12 7038 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on the summit of Tedoc Mtn. (end of Forest Road 28N60). 1615 Comment
  JEPS69531  Gilia capitata subsp. capitata W. L. Jepson 1899-4-25 15075 Tehama near Rosewood (in the hill country of the Cottonwood Creek and its tributaries); Cottonwood Creek, near Rosewood, Stiver's Ranch Comment
  CHSC118039  Gilia capitata subsp. pedemontana Daphne K. Christopher; Lowell Ahart, John Dittes, Hannah Stevens 2003-4-17 202 Tehama Dye Creek Nature Conservancy Preserve. Antelope Creek trail. 767 Comment
  CHSC107100  Gilia tricolor M. Mitchell 2010-3-24 Tehama Dye Creek Preserve. 649 Comment
  CHSC56564  Gilia tricolor Kate A. Hanson 1977-3-31 Tehama Ca 1.6 km southeast of Round Valley Road, ca 6.4 km northwest-north of intersection of Round Valley Road and Newville Road; ca 38.4 km west-northwest of Corning. 450 Comment
  CHSC59780  Gilia tricolor Thomas J. Hart 1984-3-18 7 Tehama Ca. 50 m e of the intersection of South Center and Tehama Vina roads, Los Molinos. 72 Comment
  CHSC102354  Gilia tricolor subsp. tricolor L. P. Janeway 2009-3-28 9657 Tehama Cascade Range Foothills. Tehama Wildlife Area; along West Grapevine Jeep Trail 1.9 km west of the power lines; ridge top north of Little Grapevine Creek. 503 Comment
  UC589690  Gilia tricolor subsp. tricolor Virginia Bailey 1938-4-16 Tehama on Paskenta - Covelo Road six mi w Paskenta; w of Paskenta Comment
  JEPS11826  Githopsis specularioides W. L. Jepson 1932-5-9 16340 Tehama near Ely 213 Comment
  CDA2102  Glyceria declinata L. P. Janeway, B. Castro 2000-4-21 6669 Tehama High Cascade Range; On north side of Mill Creek, 1.9 km east-northeast of Black Rock and Ponderosa Way. Comment
  CHSC113281  Glyceria declinata Lowell Ahart; John Dittes 2014-5-18 19513 Tehama Along ditch, where poor dirt road fords water ditch, about 1 1/2 miles east of the end of Lyon Cattle Road, about 3 1/2 miles (air) northeast of Los Molinos. 99 Comment
  CHSC88275  Glyceria declinata Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11183 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  HSC74826  Glyceria striata J. P. Smith, Thomas W. Nelson 1978-7-22 10014 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1372 Comment
  CHSC115545  Gnaphalium palustre Lowell Ahart; John Dittes 2015-8-5 20469 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of inteersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  HSC74963  Gnaphalium palustre J. P. Smith, Thomas W. Nelson 1979-6-24 10186 Tehama Rd. to Stuart Gap, 0.8 mi. from Tedoc Gap. 1372 Comment
  CAS-BOT-BC303346  Gnaphalium palustre L. E. Smith 1914-5-8 673 Tehama Red Bluff Tehama Comment
  RSA529995  Gratiola heterosepala D. W. Taylor, Glenn Clifton, Jim Andre 1990-4-24 10647 Tehama Manton Plains (just S of Battle Creek), S of Spring Branch Road (Manton Road), adj. to PG and E natural gas pipeline. 296 Comment
  JEPS106175  Grindelia hirsutula Lowell Ahart 2004-6-11 11027 Tehama On S side of Thomes Creek, W of the end of the Nomalaki Trail, ca. 1/2 mi N of Dead Rabbit Lake, ca. 2 mi NW of Bowers Creek, ca. 2 3/4 mi NW of Forest Rd 23N69 (Mud Flat Rd), ca. 8 mi (air) SW of Paskenta 338 Comment
  CHSC75352  Grindelia hirsutula var. davyi Ben Myhre 1997-4-25 30 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  CHSC87845  Grindelia hirsutula var. davyi Lowell Ahart 2004-6-11 11027 Tehama On the south side of Thomes Creek, west of the end of the Nomalaki Trail, about 1/2 mile north of Dead Rabbit Lake, about 2 miles northwest of Bowers Creek, about 2 3/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 338 Comment
  UC1010367  Hackelia amethystina Milo S. Baker and H. K. Wagnon 1953-7-12 12881 Tehama 6.1 mi from Whitlock Camp (along County road, west Tehama County) 1828 Comment
  UC725379  Hackelia californica A. A. Heller 1938-7-28 15291 Tehama along the Mineral Mountain Lassen Highway Comment
  CHSC61410  Hackelia nervosa Vernon H. Oswald; Lowell Ahart 1993-8-18 5821 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. Approaching the scree slope below the summit ridge of the mountain. 2383 Comment
  CHSC68939  Hackelia setosa Vernon Oswald; Lowell Ahart 1997-7-7 8665 Tehama Near the northeast corner of the Yolla Bolly Wilderness on FR 27N06, 0.5 mi north of Tomhead Saddle. Along the edge of a large hillside seep. 1676 Comment
  RSA90490  Harmonia stebbinsii Milo S. Baker 1953-5-10 12622 Tehama Logging road W of Paskentia near 10 mile post Comment
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Dec 16 2012
  CAS-BOT-BC302447  Hazardia whitneyi var. discoidea P. A. Munz 1951-7-25 16840 Tehama Square Lake, n. base of South Yolla Bolly Mts. 2133 Comment
  UCR130073  Helenium bigelovii George K. Helmkamp, E. A. Helmkamp 2001-7-7 6900 Tehama Northern Sierra Nevada Mountains, SE of Mt. Lassen; Calif. Hwy 36/89 at Gurnsey Creek, about 2 mi north of junction with Calif. Hwy 32 1448 Comment
  JEPS94509  Helianthella californica subsp. nevadensis Vernon Oswald and Lowell Ahart 1997-7-7 8691 Tehama n of Tomhead Mountain (Forest Route 35 at its junction with Forest Road 27N06, near the ne corner of Yolla Bolly Middle Eel Wilderness); Yolla Bolly Middle Eel Wilderness, Forest Route 35 1066 Comment
  CHSC68931  Helianthella californica var. nevadensis Vernon Oswald; Lowell Ahart 1997-7-7 8691 Tehama Forest Route 35 at its junction with forest road 27N06, north of Tomhead Mtn., near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. 1066 Comment
  CHSC84616  Heliotropium europaeum Lowell Ahart; John Dittes 2003-9-17 10583 Tehama On a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  CHSC87940  Heliotropium europaeum Lowell Ahart 2004-6-28 11139 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  RSA0114937  Heliotropium europaeum Lowell Ahart 2013-8-2 18991 Tehama Gravel on the bottom of Burris Creek, strand of Black Butte Reservoir, about 1 1/2 miles southwest of the Dam, about 12 miles (air) northeast of Orland. 136 Comment
  UC1235335  Heliotropium europaeum D. A. Howe 1963-8-8 Tehama 5.1 mi. n. Corning (along Rte. 99) Comment
  CDA5604  Heliotropium europaeum T. C. Fuller 1968-9-17 17616 Tehama Highway 36 to Beegum, 5 miles west of Old Highway 99, northwest of Red Bluff. 0 Comment
  UCD119457  Heliotropium europaeum Ray Evans 1957-9-10 s.n. Tehama 5 miles north of Paskenta, on the road to Red Bluff. Comment
  UCD119458  Heliotropium europaeum T. C. Fuller 1968-9-17 17616 Tehama Hwy 36 to Beegum, 5 mi. w. of old Hwy 99, n.w. of Red Bluff. Comment
  UCSB8500  Heliotropium europaeum Wilken, Dieter; Haller, John; Langford, A. 1968-9-10 Tehama Between Corning and Paskenta; 13 miles west of Corning 152 Comment
  CAS-BOT-BC313473  Hemizonella minima Doris Kildale Gillespie 1930-5-14 9394 Tehama Between Mineral and Paynes Creek Comment
  CHSC77730  Hemizonia congesta subsp. clevelandii B. Castro; L. P. Janeway 1999-6-3 950 Tehama About 23 air miles W of Red Bluff, vicinity of Pettyjohn Rd and S. Fork Cottonwood Creek. 457 Comment
  HSC95450  Hemizonia congesta subsp. clevelandii L. Ahart 2001-6-8 8762 Tehama E side of Rd. M2, 9 mi. W of Paskenta. 762 Comment
  CDA3421  Herniaria hirsuta subsp. cinerea J. T. Howell 1960-7-24 36000 Tehama Paynes Creek Comment
  CHSC77559  Herniaria hirsuta subsp. hirsuta Heidi West; Natalie Wight 1998-8-21 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 268 Comment
  JEPS88097  Herniaria hirsuta subsp. hirsuta Vernon H. Oswald and Lowell Ahart 1996-5-20 7604 .1 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (in flood channel along Paynes Creek); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 158 Comment
  CAS-BOT-BC388508  Herniaria hirsuta var. cinerea John Thomas Howell 1955-6-12 30314 Tehama Flood bed of Dibble Creek, 1.5 miles north of Red Bluff 91 Comment
  CAS-BOT-BC388552  Herniaria hirsuta var. cinerea John Thomas Howell 1960-7-24 36000 Tehama Paynes Creek 563 Comment
  CHSC64339  Hesperevax acaulis var. acaulis Vernon H. Oswald; Lowell Ahart 1995-3-19 6535 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Along the e fence just s of Inks Creek Rd. 213 Comment
  CHSC40517  Hesperevax caulescens Pauleen Broyles 1982-4-30 501 Tehama The Nature Conservancy Vina Plains Preserve. NW of barn and near s end of a vernal pool. 60 Comment
  CHSC48461  Hesperochiron pumilus Vernon Oswald 1986-3-27 1060 Tehama Belle Mill (Hogsback) Rd. 1.2 mi w of Finley Lake, 0.1 mi e of Lassen National Forest boundary. 792 Comment
  CHSC53955  Hesperochiron pumilus Vernon H. Oswald 1991-4-30 4542 Tehama Hwy. 36, 6.3 miles east of Paynes Creek, 3.6 miles west of Ponderosa Way. 893 Comment
  RSA39732  Hesperochiron pumilus P. A. Munz 1947-5-18 11854 Tehama 12 miles E of Mineral, on Hwy 36. 1585 Comment
  CHSC80664  Hesperolinon tehamense Lowell Ahart 2001-6-8 8779 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS101957  Hesperolinon tehamense Dean W. Taylor 1997-5-29 16001 Tehama Toomes Camp Road (Forest Road M2) about 7 road miles West from Paskenta, in vicinity of Beehive Flat Comment
  UC1088846 Image available Hesperolinon tehamense Helen K. Sharsmith 1951-7-11 4018 Tehama Covelo-Paskenta Road 11.1 mi w Paskenta; Mendocino National Forest; Mendocino National Forest, Tehama Co. 1158 Comment
  UC1212199  Hesperolinon tehamense Helen K. Sharsmith 1951-7-13 4027 Tehama in V junction between Eagle Peak and Ball Rock roads (10.3 mi nw of Paskenta, 1.6 mi within national forest boundary); Inner North Coast Ranges, Mendocino National Forest 1158 Comment
  CHSC79278  Heterocodon rariflorum B. Castro; L. P. Janeway 2000-4-12 1068 Tehama Vicinity of Orland, W of Highway I-5, on rolling hills towards W end of S. Branch Sour Grass Creek. 121 Comment
  CHSC79979  Heterocodon rariflorum B. Castro; L. P. Janeway 2000-5-11 1152 Tehama Vicinity of Orland and Black Butte Lake. 88 Comment
  UC466688  Heteromeles arbutifolia W. P. Taylor 1913-7-27 Tehama 2 mi s South Yolla Bolly Mt. Comment
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Jul 5 2009
  RSA0072479  Heteromeles arbutifolia Percy C. Everett, E. K. Balls 1954-10-15 20312 Tehama Paskenta to Covelo road, 5.5 miles SW of Paskenta. 549 Comment
  CDA13590  Heterotheca oregona var. compacta G. F. Hrusa 1996-8-17 13515 Tehama Sacramento Valley; Blue Tent Creek, immediately downstream from Jelly's Ferry Rd. crossing, and adjacent to Interstate 5. Comment
  CHSC46862  Heterotheca oregona var. rudis Vernon Oswald 1989-9-7 3992 Tehama Black Butte Dam. 152 Comment
  UC1609142  Heuchera micrantha Vernon H. Oswald and Lowell Ahart 1993-9-2 5915 Tehama 20 mi (air) nw of Paskenta (ridge running e from Mt. Linn); South Yolla Bolly Mtns 2438 Comment
  CHSC114641  Heuchera micrantha var. erubescens Brad Penkala 1990-6-6 120 Tehama Yolla Bolla Ranger Dist., 1 air mile east of Stuart Gap. Rock outcrop northwest of Forest Service Rd. 28N36, above creek. 1300 Comment
  CAS-BOT-BC312341  Hieracium albiflorum John Thomas Howell 1960-8-18 36033 Tehama Bluf Falls near Lassen Volcanic National Park 1981 Comment
  CHSC64946  Hieracium greenei Vernon H. Oswald; Lowell Ahart 1995-7-12 7057 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on Forest Route 41, 4.0 mi N of its junction with Forest Road 28N36 (N of Stuart Gap). 1170 Comment
  JEPS89758  Hieracium greenei Glenn Clifton 1990-7-12 21830 Tehama 1 mi n of Pony Buck Peak (along ridgeline and on Trinity county line, North Coast Ranges); North Coast Ranges 1630 Comment
  JEPS97398  Hieracium greenei Vernon H. Oswald and L. Ahart 1995-7-12 7012 Tehama T29N R9W SE1/4 Sec. 33, 3500 ft, High North Coast Ranges, Yellow Pine Forest, decomposed sandy conglomerate. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 4.1 mi S of Hwy. 36 1066 Comment
  CAS-BOT-BC149916  Holodiscus discolor P. A. Munz 1951-7-27 16969 Tehama South base of South Yolla Bolly Mts. 2225 Comment
  LA207963  Holodiscus discolor J. M. Tucker; 1962-7-29 3627 Tehama South Yolla Bolly Mountain, 0.75 mi. N of Ovenlid, ca. 3 mi. E of the summit 1981 Comment
  UCD32628  Hordeum brachyantherum Beecher Crampton 1954-6-16 2002 Tehama 2 miles E of Whitlock Camp, to the W of Paskenta. 914 Comment
  UCD85519  Hordeum brachyantherum Beecher Crampton 1954-6-16 2002 Tehama 2 miles E of Whitlock Camp, to the W of Paskenta. 914 Comment
  RSA756701  Hordeum brachyantherum subsp. californicum Barbara Ertter, Brad Olson 1991-7-6 10453 Tehama Toomes Camp Road (M22) 9.3 mi W of Paskenta jct, ca 25 airmiles W of Corning 945 Comment
  CHSC64581  Hordeum murinum subsp. leporinum Vernon H. Oswald; Lowell Ahart 1995-4-3 6586 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On slope between two intermittent streams converging on the w boundary of the s edge of the ridge crossing the nw corner of the reserve. 201 Comment
  CHSC66126  Hordeum murinum subsp. leporinum Vernon H. Oswald; Lowell Ahart 1996-4-29 7499 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On the meander plain of the intermittent stream ca. 0.3 mi E of the W boundary. 102 Comment
  CHSC48853  Horkelia fusca subsp. tenella Vernon Oswald 1984-7-16 1585 Tehama W end of Wilson Lake located ca. 8 mi e of Mineral. Meadow. 1609 Comment
  JEPS47167  Horkelia fusca subsp. tenella Joseph W. Grinnell 1927-6-16 Tehama near Mineral; Battle Creek Meadow 1524 Comment
  RSA719180  Horkelia tridentata L. Ahart 2006-7-19 13021 Tehama East of Colby Creek, near large man made piles of soil and rock, about 1.75 miles (air) SE of Colby Mountain, about 4.75 miles (air) NE of Butte Meadows. 1504 Comment
  CHSC83645  Horkelia tridentata subsp. tridentata L. P. Janeway 2001-6-24 7219 Tehama High Cascade Range. On Monterey Point ridge 0.2 km southwest of Road 29N48, about 4.0 km southwest of Turner Mountain. Southwest trending ridgetop. 1676 Comment
  CAS-BOT-BC537971  Horkelia tridentata var. flavescens Mrs. H. P. Bracelin 1931-5-30 370 Tehama On Mill Creek, one mile West of Mineral. Comment
  JEPS102418  Hosackia stipularis var. ottleyi Lowell Ahart 2001-6-16 8857 Tehama On north side of the dirt road, about 4-1/2 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1112 Comment
  UC1001318  Hydrophyllum occidentale Louise Kellogg 1952-7-14 46 Tehama Square Lake trail North Coast Ranges, Mendocino National Forest (from Ovenlid toward south Yolla Bolly Mountain) 1828 Comment
  RSA0110961  Hydrophyllum occidentale P. A. Munz 1947-5-18 11856 Tehama 12 miles E of Mineral, on Hwy 36. 1585 Comment
  CDA36545  Hypericum anagalloides L. Ahart, Samantha Mackey Hillaire 2004-7-9 11204 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. Comment
  CHSC48478  Hypericum anagalloides Vernon Oswald 1984-6-19 1297 Tehama Hwy 32, 1.8 mi s-w of Hwy 36. Growing on an open, springy slope. 1414 Comment
  UC2031492  Hypericum anagalloides Barbara Ertter with Brad Olson 1991-7-6 10382 Tehama Rocky Cabin meadow ca. 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 air miles W of Corning Comment
  JEPS127223  Hypericum mutilum subsp. mutilum Lowell Ahart, John Dittes 2016-8-24 21260 Tehama Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. Comment
  CHSC66104  Hypochaeris glabra Vernon H. Oswald; Lowell Ahart 1996-4-29 7485 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd., NW of Corning. Collected near the farm pond located on the S boundary. 105 Comment
  SEINET11844254  Hypochaeris glabra Unknown 1982-1 571 Tehama The Nature Conservancy Vina Plains Preserve 60 Comment
  CAS-BOT-BC123351  Iris citrina Alice Eastwood; John Thomas Howell 1941-7-9 9722 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CHSC63430  Iris macrosiphon Vernon H. Oswald 1994-6-11 6271 Tehama Forest Rd. 28N36 between Tedoc Gap and Stuart Gap, 0.5 mi W of Post Creek, W of Red Bluff and S of Platina. 1365 Comment
  CAS-BOT-BC69930  Isoetes howellii Alice Eastwood; John Thomas Howell 1934-4-21 1845 Tehama 5 mi. s. of Cottonwood. Comment
  CHSC40819  Isoetes howellii Pauleen Broyles 1982-5-21 641 Tehama Ca 30 meters s of Lassen Road in w pasture. The Nature Conservancy Vina Plains Preserve. 66 Comment
  JEPS88062  Isoetes howellii Vernon H. Oswald and Lowell Ahart 1996-4-23 7412 Tehama ne of Red Bluff (BLM parcel along Hwy 36, sw end of Hog Lake); Cascade Range Foothills, Hog Lake Plateau 263 Comment
  UC1586565  Isoetes howellii Vernon H. Oswald and Lowell Ahart 1991-5-9 4571 Tehama ca 6.5 mi nne Red Bluff (ca 1.5 mi ne of Bend Bridge over Sacramento River, ca 400 ft w of large impoundment at entrance kiosk); Paynes Creek Recreation Area 112 Comment
  UC1594524  Isoetes howellii Vernon H. Oswald and Lowell Ahart 1992-4-21 4921 Tehama ca 5.5 air mi se of Paynes Creek (Finley Lake on Hogstack Rd (Forest Rd 28N24)) 850 Comment
  UC1594525  Isoetes howellii Vernon H. Oswald and Lowell Ahart 1992-4-21 4908 Tehama ca 11 air mi e Red Bluff (Hogstack Rd (Belle Mill Rd or Forest Rd 28N24) near Mud Spring, 9.7 mi (odometer) e of Hwy 99) 316 Comment
  UC2062877  Isoetes howellii Forrest Freund 2016-5-17 255 Tehama Hog Lake vernal pool. Comment
  UCD21100  Isoetes howellii Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-17 276 Tehama Thomes Creek Ecological Reserve. Approximately 6 miles NW of the town of Corning. Located 200 meters N of a intermittent drainage. Pool # THO003. UTMs: 10S0564312; 4427009. Comment
  JEPS106117  Isoetes nuttallii Lowell Ahart 2004-4-29 10782 Tehama On the bottom of a vernal pool, about 10 yards west of the Nomalaki Trail, about 1/2 mile northwest of Bowers Creek, about 1 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta 571 Comment
  UC1586567  Isoetes nuttallii Vernon H. Oswald and Lowell Ahart 1991-5-9 4552 Tehama ca 6.5 mi nne Red Bluff (ca 1.5 mi ne of Bend Bridge over Sacramento River, newly constructed pond ca 0.6 mi ese of entrance kiosk); Paynes Creek Recreation Area 112 Comment
  UC2062874  Isoetes orcuttii Forrest Freund 2016-5-17 254 Tehama Hog Lake vernal pool. Comment
  CHSC105496  Juncus acuminatus Lowell Ahart; John Dittes 2010-7-17 16860 Tehama On damp red soil, at the high water line of the pond, dam on the west side of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 812 Comment
  CHSC55298  Juncus acuminatus L. P. Janeway 1991-6-15 4016 Tehama Battle Creek Wildlife Area. Along water ditch ca 600 ft south of Battle Creek; ca 1 1/2 mi east of the Sacramento River. Comment
  JEPS102662  Juncus balticus Lowell Ahart 2001-6-8 8795 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS117676  Juncus brachyphyllus Lowell Ahart, John Dittes 2010-7-17 16883 Tehama On damp to dry rocky soil, on the north side of Ponderosa Way, about 10 yards southwest of Soap Creek crossing, about 4.5 miles (air) southeast of Manton, about 2 1/2 miles (air) north of Highway 36 726 Comment
  CHSC102653  Juncus bufonius var. bufonius Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16338 Tehama West side of pond on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 ft south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. In area between Sec 23 SE1/4 and Sec 24 SW1/4. 1493 Comment
  CHSC117583  Juncus bufonius var. bufonius Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21361 Tehama Road gutter, wet area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  JEPS115390  Juncus bufonius var. bufonius Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16338 Tehama West side of pond on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 ft south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lass 1493 Comment
  JEPS91287  Juncus bufonius var. bufonius Dean W. Taylor 1993-5-14 13441 Tehama Dales Lake (along Manton Road A6 ca. 1 mi N of Dales on Hwy. 36) 213 Comment
  CHSC76860  Juncus laccatus L. P. Janeway; B. Castro 1999-8-24 6548 Tehama High North Coast Ranges. At Willow Spring; 1.6 mi east of Buck Rock between Forks Ridge and Short Ridge. 1737 Comment
  RSA67178  Juncus mertensianus Phillip A. Munz, I. M. Munz 1951-7-25 16847 Tehama Square Lake, N base of South Yolla Bolly Mountains. 2149 Comment
  JEPS110143  Juncus nevadensis Lowell Ahart 2006-6-25 13078 Tehama In a small drainage, in a small meadow on the west side of the road, about 50 yards southeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1518 Comment
  CHSC105156  Juncus occidentalis Peter F. Zika 2008-7-14 23903 Tehama Routes 36 and 89, c. 4 air km WNW of Wilson Lake; yellow pine forest over volcanics (Cascade Range Highlands CaRH) 1515 Comment
  UC1873691  Juncus occidentalis Barbara Ertter with James R. Shevock 1992-6-14 11131 a Tehama 0.8 miles south of Battle Creek bridge on Wild Cat Road, ca 7 air miles NW of Paynes Creek (town). Comment
  CDA34186  Juncus orthophyllus L. Ahart, J. Dittes 2010-7-17 16885 Tehama On the north side of Ponderosa Way, about 1,910 feet south of Bluff Springs, 4.1 miles (air) southeast of Manton, 2.8 miles (air) north of Highway 36. Comment
  JEPS91253  Juncus orthophyllus Dean Wm. Taylor with Glenn Clifton 1992-8-22 13195 Tehama Lassen Volcanic National Park, Mt. Conard, east slope in the head of unnamed creek draining to Spencer Meadow, near the Plumas County line 2392 Comment
  RSA67182  Juncus orthophyllus Phillip A. Munz 1951-7-25 16851 Tehama Square Lake, N base of South Yolla Bolly Mountains. 2149 Comment
  JEPS67060  Juncus oxymeris W. L. Jepson 1938-6-10 18979 Tehama 6 mi s Red Bluff; Coyote Creek 91 Comment
  UC1618219  Juncus oxymeris Barbara Ertter, Brad Olson 1991-7-5 10316 Tehama confluence of Big Crane Creek and Little Crane Creek (ca 15 air mi wnw of Red Bluff, se corner of ranch); Metzger Ranch ( =Styver's Ranch), Long Gulch 213 Comment
  CDA15430  Juncus tenuis G. F. Hrusa, J. Hart 1998-5-1 14434 Tehama Sacramento Valley; Rare on flats at edge of Coyote Creek wash, Coyote Creek Conservation Area ~1/4 mi. W of Paskenta Rd. Perennial, clumping. Comment
  CHSC65073  Juncus tenuis Vernon H. Oswald; Lowell Ahart 1995-7-17 7078 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi N of Dales Station on Hwy. 36, ca. 14 mi NE of Red Bluff. S side of Inks Creek Rd. on the edge of pools in the southern cluster (collected in Pool 7). 213 Comment
  RSA729908  Juncus usitatus P. F. Zika 2007-6-5 23024 Tehama Near Elder Creek on West side of I-5, (Sacramento Valley) 85 Comment
  SBBG122903  Juncus usitatus B. Ertter 2003-7-20 18254 Tehama Wild Cat Rd between Manton Rd and Battle Crk, NE of Red Bluff 326 Comment
  CHSC80485  Juncus xiphioides Caroline Warren; Julie Cunningham, Heidi West 1998-5-14 Tehama Vicinity of upper North Fork Stony Creek. 243 Comment
  JEPS66417  Juncus xiphioides L. R. Heckard and P. Rubtzoff 1971-7-31 2679 Tehama just ne Red Bluff (off the Sacramento River); Sacramento River Comment
  RSA126574  Juncus xiphioides H. S. Yates 1936-8-12 6093 Tehama Near Mineral Summit. 1463 Comment
  RSA518663  Juncus xiphioides L. R. Heckard, Peter Rubtzoff 1971-7-31 2679 Tehama Tehama County: Damp mud of land locked lagoon off the Sacramento River just NE of Red Bluff. Comment
  CAS-BOT-BC85358  Juniperus californica Doris Kildale Gillespie 1930-5-9 9268 Tehama 10 miles east of Red Bluff on Susanville Road Comment
  CAS-BOT-BC85361  Juniperus californica Rimo Bacigalupi 1933-10-27 2249 Tehama Along Red Bluff-Eureka Highway, 33 mi. W. of Red Bluff, and 10 mi. E. of Beegum, NW. 396 Comment
  CHSC44630  Juniperus californica Vernon Oswald 1986-3-4 1045 Tehama Hwy 36 2.2 mi sw of Hog Lake. 137 Comment
  CHSC64336  Juniperus californica Vernon H. Oswald; Lowell Ahart 1995-2-22 6487 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy 36, ca. 14 mi ne of Red Bluff. 201 Comment
  NY99569  Juniperus californica L. C. Wheeler 1958-8-25 7441 Tehama Approximately half way between Red Bluff and Dales Comment
  RSA12709  Juniperus californica C. B. Wolf, E. R. Johnson 1934-10-5 6163 Tehama 8 miles east of Red Bluff on road to Paynes Creek. Sierra foothills 244 Comment
  UCR3619  Juniperus californica Frank C. Vasek 1964-8-6 640806- 03 Tehama 5.8 mi east of Dales center on Hwy 36 Comment
  UCSB63828  Juniperus californica Vasek, F. 1964-8-6 Tehama 5.8 mi. east of Dales Center on highway 36 Comment
  JEPS126575  Keckiella breviflora var. glabrisepala Lowell Ahart, John Dittes 2016-6-22 21046 Tehama About 300 yards southwest of the fish ladder on Deer Creek, about 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. Comment
  JEPS97168  Keckiella corymbosa Julie Kierstead 1990-9-11 90 -148 Tehama 2.5 mi S of Tedoc Gap (on FS Road 27N13); Shasta-Trinity National Forests, Yolla Bolla Ranger District 1524 Comment
  JEPS124022  Kelloggia galioides Lowell Ahart, John Dittes 2015-8-5 20481 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mountain, 9.77 air-miles south of Lassen Peak. Comment
  CDA2618  Kyllinga brevifolia E. L. Dietz 1966-8-24 Tehama St. Elizabeth Hospital, Red Bluff. 0 Comment
  CHSC40522  Lactuca saligna Pauleen Broyles 1982-7-7 782 Tehama The Nature Conservancy Vina Plains Preserve. 66 Comment
  CHSC66877  Lactuca saligna Vernon H. Oswald; Lowell Ahart 1996-9-4 8251 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the edge of an intermittent stream. 182 Comment
  CHSC102699  Lactuca serriola Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16307 Tehama On the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Area between SE 1/4 Section 23 and SW 1/4 Section 24. 1493 Comment
  CHSC115805  Lactuca serriola Lowell Ahart; John Dittes 2015-8-5 20430 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  CHSC117622  Lactuca serriola Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21371 Tehama On the north side of a poor dirt road,about 10 yards east of Highway 89, a little south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  RSA794945  Lactuca serriola L. Ahart, Josephine Guardino, John Dittes 2009-8-27 16307 Tehama E side of Forest Service Road 29N25A, Childs Meadow, about 2600 feet S of the intersection of Highway 36 and Forest Service Road 29N25A, 2.3 air miles NE of the town of Mill Creek, 9.1 air miles S of Lassen Peak. 1494 Comment
  CDA8082  Lagophylla glandulosa L. Ahart, J. Dittes, J. Gannon, L. Martinez 2002-11-4 10008 Tehama Jewett Creek, east of Marguerite Road, about 1 1/4 miles (air) southeast of Corning. Comment
  CHSC78806  Lagophylla glandulosa Julie Cunningham; Heidi West, Caroline Warren 1998-7-7 Tehama Vicinity of Bell Road and Jackass Canyon. 313 Comment
  CAS-BOT-BC341372  Lagophylla glandulosa David D. Keck 1944-7-10 5461 Tehama 1.5 mi. E. of Rosewood (22 mi. W. of Red Bluff), near junction of Cottonwood Road 213 Comment
  CAS-BOT-BC341374  Lagophylla glandulosa David D. Keck 1932-7-7 1725 Tehama Red Bluff, at south city limits 95 Comment
  CAS-BOT-BC341381  Lagophylla glandulosa M. S. Jussel 1931-9-8 s.n. Tehama Twenty miles east of Red Bluff 1219 Comment
  CHSC80600  Lagophylla minor Lowell Ahart 2001-6-8 8810 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  CHSC83300  Lagophylla minor Jenny Marr; Heidi West, Caroline Warren 1998-6-15 Tehama Vicinity of Sunflower Gulch and Red Bank Creek. 289 Comment
  CHSC77733  Lagophylla ramosissima subsp. ramosissima B. Castro; L. P. Janeway 1999-6-3 959 Tehama About 23 air miles W of Red Bluff, vicinity of Pettyjohn Rd and S. Fork Cottonwood Creek. In E-trending arm of side-cyn, on bank of creek. 355 Comment
  CHSC4041  Lamium amplexicaule D. F. Johnson 1967-5-3 25 Tehama Scattered in residence yard ca. 150 yds north of Johnson Rd. ca. 10.5 mi. west of Red Bluff. 170 Comment
  CHSC27830  Lasthenia californica Eric J. Miller 1978-4-24 10 Tehama At edge of vernal pools, ca. 1 km w of Sacramento River at Woodson Bridge. 28 Comment
  CHSC2822  Lasthenia californica David Prall 1965-3-28 19 Tehama In field adjacent to east of Meridian Rd. 8 miles NE of HW. 99E. Comment
  HSC90071  Lasthenia californica Amy Austin, Tony LaBanca, Noreen McClintock 1990-3-31 29 Tehama 3 mi. E of Road A-5 229 Comment
  JEPS22653  Lasthenia fremontii Rimo Bacigalupi with Drs. Herbert and Lucille Mason Apr 22 1958-Apr 23 1958 6283 Tehama about 2 mi w of Kirkwood and about 1/2 mi w of U.S. Highway 99; Corning 73 Comment
  UCD18757  Lasthenia fremontii Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-12 50 Tehama along the Manton Rd. (A6), 2 mi past its intersection with Hwy 36, on a ridge past Dales Lake, Inks Creek site, pool # INK001, UTMs: 10T0581046; 4466683. Comment
  JEPS105680  Lasthenia fremontii L. P. Janeway 2002-4-23 7516 Tehama Inner North Coast Ranges; low rise between Morrison Bryant Road and the flats on the S side of North Fork Stony Creek, 0.2 mi W of the edge of Black Butte Creek 149 Comment
  RSA585985  Lasthenia fremontii Adree M. Desrochers 1988-4-19 299 Tehama Near Red Bluff. Along Road 36; 1.8 km from intersection 99 and 36. Comment
  RSA585987  Lasthenia fremontii Adree M. Desrochers 1988-4-20 302 Tehama Near Corning. Along Road 9 in pasture, 11.1 km W of [intersection of?] Hwy 5 and Road 9, on N side of the road. Comment
  SEINET10475349  Lasthenia fremontii Mary Susan Taylor 1975-4-18 Taylor 485 Tehama Ca. 0.5 mi E of Hwy 99, on Keefer Rd, ca. 0.5 mi NE of jct of Hwy 99 and Keefer-Lassen Rd, ca. 5 mi N of Chico. Around huge vernal pool. 61 Comment
  CHSC115225  Lathyrus angulatus B. Castro; J. Nishida 2013-5-15 1996 Tehama Sacramento Valley. N of Elder Creek, ca 0.25 mi Wof the town of Gerber. In disturbed open area W of the railroad tracks and Eof the Tehama-Colusa Canal, on flat to undulating grassland between vernal pools and swales. 74 Comment
  CHSC94237  Lathyrus brownii Lowell Ahart 2006-7-11 12953 Tehama On the high west bank of Colby Creek, about 50 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1518 Comment
  CHSC55693  Lathyrus nevadensis Steven Triano 1988-4-17 71 Tehama Along s side of Hwy. 32 ca. 1.6 mi se of its jct. with Hwy 89. 1139 Comment
  UC1608314  Lathyrus polyphyllus Brad Penkala 1990-6-6 121 Tehama 0.5 air mi ne Stuart Gap (along Forest Service Rd 28N36); Shasta-Trinity National Forests, Yolla Bolla Ranger Dist. 432 Comment
  CAS-BOT-BC213275  Lathyrus sulphureus Ethel Wickes 1917-6-1 s.n. Tehama Red Bluff Comment
  CAS-BOT-BC213276  Lathyrus sulphureus Alice Eastwood; John Thomas Howell 1941-7-9 9736 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CDA8131  Layia chrysanthemoides Vernon H. Oswald & Lowell Ahart 1998-4-27 8982 Tehama Vestal Road, 3.8 miles south of Highway 36 between Red Bluff and Platina. Comment
  CHSC66105  Layia fremontii Vernon H. Oswald; Lowell Ahart 1996-4-29 7490 .2 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd., NW of Corning. Cluster of pools N of the farm pond located on the S boundary. 103 Comment
  JEPS39114  Layia fremontii J. W. Blankinship 1911-4-7 Tehama Corning Comment
  SJSU11667  Layia fremontii H. D. Baer 1960-4-14 Tehama near Coleman Fish Hatchery 11 mi SE of Anderson 259 Comment
  HSC85886  Layia fremontii Bobbi Schnell, Andrea Begnoche, Leonel Arguello 1987-3-27 18 Tehama Rte. 36, 10 mi. E of Red Bluff mi. marker 51 Comment
  SJSU11664  Layia fremontii D. L. Wilson 1970-4-18 Tehama Abraham Plains by Belle Cr Rd 5 mi E of Red Bluff Comment
  JEPS66636  Ledum glandulosum J. W. Grinnell 1925-7-15 Tehama Mineral 1463 Comment
  RSA565069  Legenere limosa D. W. Taylor 1992-5-14 13439 Tehama Dales Lake (along Road ca 1 miles N of Dales on Hwy 36); at the S end of the lake along Inks Cr. ranch road. 213 Comment
  RSA261423  Lemna minor Susan Larson 1964-5-11 35 Tehama Beside U.S. Highway 99 West, ca. 5 miles south of Red Bluff 85 Comment
  UCD138115  Lemna minor Jim Arthur 1964-5-11 35 Tehama in Corning Canal. Beside US Highway 99 West, around 5 miles south of Red Bluff. 85 Comment
  CHSC102650  Lemna minuta Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16341 Tehama In a small seep (spring), west side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 ft south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. In area between Sec 23 SE1/4 and Sec 24 SW1/4. 1493 Comment
  CHSC64694  Leontodon saxatilis subsp. longirostris Vernon H. Oswald; Lowell Ahart 1995-5-9 6722 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On the edge of Inks Creek Rd. 213 Comment
  CHSC115501  Lepidium latifolium B. Castro 2014-5-19 2004 Tehama Sacramento Valley. Ca 1.85 mi NNW of Woodson Bridge over the Sacramento River, ca. 0.2mi E of Kopta Slough along N edge of Foster Rd. 57 Comment
  CHSC40700  Lepidium latipes Pauleen Broyles 1983-4-16 899 Tehama Adjacent to Sheep Camp Ditch where it makes a sharp bend, nw of barn in s pasture. 62 Comment
  CHSC4045  Lepidium nitidum D. F. Johnson 1967-3-9 2 Tehama Ca. 100 yds. north of Johnson Rd. ca. 10 mi. west of Red Bluff. 170 Comment
  CHSC62642  Lepidium nitidum var. nitidum Vernon H. Oswald; Lowell Ahart 1994-3-8 5971 Tehama Junction of Black Butte Rd. and Black Butte Rd. West, N side of Black Butte Lake. On roadside banks. 161 Comment
  CHSC27861  Lepidium strictum Eric J. Miller 1978-4-24 4 Tehama Ca 1 km w of Sacramento River at Woodson Bridge. 28 Comment
  JEPS122040  Lepidium strictum Lowell Ahart, John Dittes 2014-5-16 19497 Tehama About 200 yards southwest of the lone oak tree, about 1/2 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. Comment
  JEPS53723  Lepidium strictum Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  CHSC86834  Leptosiphon bolanderi Jenny Marr; Heidi West, Caroline Warren 1998-6-15 Tehama Vicinity of Sunflower Gulch and Red Bank Creek. 289 Comment
  CHSC118044  Leptosiphon ciliatus Daphne K. Christopher; Hannah Stevens, Lowell Ahart, John Dittes. 2003-4-17 204 Tehama Dye Creek Nature Conservancy Preserve. Antelope Creek trail. 767 Comment
  RSA90632  Leptosiphon ciliatus Milo S. Baker 1953-6-21 12770 Tehama Logging road W of Paskenta, near 15 mile post. 1220 Comment
  UCD80630  Leptosiphon filipes CNPS SN Foothill Team 2006-4-19 SNFN 0445 b Tehama Wurlitzer Ranch (private), just north of a seasonal creek, which feeds into Pine Creek west of the plot. 164 Comment
  UC2042990  Leptosiphon harknessii Barbara Ertter with Brad Olson 1991-7-6 10379 Tehama Rocky Cabin meadow ca. 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca. 30 air miles W of Corning. Comment
  UCD118971  Leptosiphon nuttallii S. P. Lynch 1973-6-9 296 Tehama on Tedoc Gap Road, around west side of Tedoc Mountain. Comment
  CHSC79794  Leptosiphon parviflorus Todd Bouchier; Kathleen Gifford, Cameron Williams 1999-4-17 15 Tehama Beegum Gorge, south side of Highway 36 along road edge. 429 Comment
  SD64394  Leptosiphon pygmaeus subsp. continentalis D. F. Howe 1966-6-11 Tehama 6 miles south of Government Flat on ridge between Mandocino & Tehama Cos. 1615 Comment
  HSC75341  Leptosiphon rattanii J. O. Sawyer, K. A. Sawyer 1980-6-18 3562 Tehama Humboldt Trail E of Low Gap 1829 Comment
  RSA66631  Lesquerella occidentalis P. A. Munz 1951-7-26 16925 Tehama East slope of South Yolla Bolly Peak. 2348 Comment
  UC1287399  Lessingia nana Willard Spence 1962-7-24 728 Tehama s Los Molinos (at the turnoff to Corning, along Route 99E) Comment
  UCD134084  Lessingia nana Ray Evans 1955-9-1 s.n. Tehama Exact location unknown. Comment
  UCD134087  Lessingia nana E. Wagner 1994-7-14 s.n. Tehama 2.5 m north of Butte/Tehama County border along Hwy 99. Comment
  UCD134088  Lessingia nana Miss G. Cole 1927-9-1 s.n. Tehama Exact location unknown. Comment
  CHSC77544  Lessingia nemaclada Heidi West; Jenny Marr, Caroline Warren, Joyce Lacey-Rickert 1998-5-19 Tehama Vicinity of uppermost N. Fork Stony Creek. 274 Comment
  SD71321  Lessingia nemaclada John T. Howell 1960-7-24 35997 Tehama 8 miles west of Mineral 1220 Comment
  UC761981  Lessingia nemaclada R. F. Hoover 1940-9-22 4618 Tehama volcanic plateau ne Red Bluff Comment
  SD71322  Lessingia subspicata John T. Howell 1960-7-24 36003 Tehama 10 Miles northeast of Red Bluff Comment
  UCD80085  Lessingia virgata CNPS SN Foothill Team 2005-5-17 SNNR 0195 b Tehama TNC Dye Creek Preserve. 235 Comment
  JEPS123927  Leucanthemum vulgare Lowell Ahart, John Dittes 2015-8-6 20498 Tehama West side of Childs Meadow, 0.67 air miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air miles southeast of Doe Mt., 10.41 air miles south of Lassen Peak. Comment
  SEINET10846322  Leucanthemum vulgare David B. Dunn 1971-8-15 Dunn 18167 Tehama 1 1/2 mi. W of Lassen Park headquarters. Comment
  RSA63345  Lewisia triphylla Milo S. Baker 1949-7-11 12138 Tehama E and below lookout on Anthony Peak, Mendocino or Tehama County. 2104 Comment
  JEPS62050  Lilium Joseph Grinnell 1925-6-29 Tehama Mineral Comment
  UC54198  Lilium kelleyanum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4364 Tehama near Morgan - Mount Lassen, Mill Creek Canyon Comment
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Dec 13 2006
  SBBG1034  Lilium pardalinum subsp. pardalinum H. and M. Dearing 1938-6-21 2064 Tehama Potato Patch Public Camp, Deer Crk 1080 Comment
  CHSC23682  Lilium pardalinum subsp. shastense K. Stern 1975-7-24 Tehama Along Hwy. 32. Comment
  CHSC94349  Lilium pardalinum subsp. shastense Lowell Ahart 2006-7-25 13070 Tehama East side of large meadow with bogs, about 20 yards west of the poor trail (cow trail?), about 1/2 mile north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1564 Comment
  CHSC102325  Limnanthes alba subsp. alba L. P. Janeway; B. Castro 2009-4-25 9748 Tehama Cascade Range Foothills. Tehama Wildlife Area; along the Powerline Road near the Shaw Creek Bridge over an un-named northeastern fork of Shaw Creek. 518 Comment
  SD225881  Limnanthes douglasii Carol Witham, Jennifer Buck and Vernal Pool Team 2001 2001-4-13 52 Tehama along the Manton Rd. (A6), 2 mi past its intersection with Hwy 36, on a ridge past Dales Lake, Inks Creek site, pool #INK001 UTMs: 10T0581046;4466683 Comment
  CHSC81526  Limnanthes douglasii subsp. nivea D. Tellefson 2000-4-11 Tehama Hog Lake Plateau, off Hwy 36, north of Red Bluff. Edge of Hog Lake. 250 Comment
  CHSC40848  Limnanthes douglasii subsp. rosea Pauleen Broyles 1982-3-3 317 Tehama The Nature Conservancy Vina Plains Preserve. 66 Comment
  JEPS113125  Limnanthes douglasii subsp. rosea Lowell Ahart, John Dittes, Josephine Guardino 2007-4-3 13607 Tehama E of the poor dirt road, on the N side of a large vernal pool, about 4 1/2 mi (air) NE of the intersection of Hwy 99 East and Vina Road, about 6 1/2 mi (air) SE of Los Molinos. 131 Comment
  UCSB63870  Limnanthes floccosa Oswald, Vernon; Ahart, Lowell 1996-3-18 Tehama T28N R2W NE1/4 NE1/4 Sec. 8; W side of Hwy. 36 ca. 50 ft N of the NE corner of the parcel (near but not within the boundary of Hog Lake Plateau) 188 Comment
  CHSC28727  Limnanthes floccosa subsp. floccosa Robert A. Schlising 1979-4-1 3350 Tehama In fields between Zimmershed and Pine Creeks, just north of Butte County line. In pools. Comment
  CHSC96246  Limnanthes floccosa subsp. floccosa Jenny Marr 2006-7-1 223 Tehama Located in the north valley, north of Chico, on the Howard Wurlitzer Ranch. Access was from Meridian Road then right onto Barber Road. Collection site was due north of Bell Ranch and north of Pine Creek. 121 Comment
  JEPS87180  Limnanthes floccosa subsp. floccosa Vernon H. Oswald and Lowell Ahart 1992-4-21 4904 Tehama 7.8 (odometer) mi e Hwy 99 (on Hogsback Rd. (Belle Mill Rd. or Forest Rd. 28N24), ca 10 mi (air) e of Red Bluff) 289 Comment
  JEPS97480  Limnanthes floccosa subsp. floccosa Vernon H. Oswald and L. Ahart 1995-3-19 6527 Tehama T29N R2W SW1/4 NW1/4 Sec. 35, 680 ft, Cascade Range Foothills, stony Tuscan Loam over hardpan. Dales Lake Reserve on w side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 207 Comment
  CHSC54020  Limosella acaulis Vernon H. Oswald; Lowell Ahart 1991-5-9 4574 Tehama Paynes Creek Recreation Area located ca. 1.5 mi northeast of the Bend Bridge over the sacramento River, ca. 6.5 miles north-northeast of Red Bluff. 112 Comment
  CHSC64728  Limosella aquatica Vernon H. Oswald; Lowell Ahart 1995-5-9 6709 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca 14 mi ne of Red Buff. Common in shallow water in the Old Hwy. Pool. 219 Comment
  JEPS58223  Linanthus bicolor W. L. Jepson 1899-4-25 20920 Tehama Rosewood, Cottonwood and its tributaries Cottonwood Creek Comment
  CDA40058  Linanthus bolanderi Vernon H. Oswald & Lowell Ahart 2001-5-7 10011 Tehama Forest Road 26N15, 4.9 miles west of Highway 32, between Soda Springs and Cohasset Ridge. Comment
  JEPS58277  Linanthus bolanderi Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  CHSC3477  Linanthus dichotomus Roger Jaegel 1966-4-3 86 Tehama Located 10 miles west of Red Bluff, in a field along Highway 36. Comment
  CHSC61231  Linanthus dichotomus Kate Hanson 1977-3-31 Tehama Ca 1.6 km se of Round Valley Rd ca 6.4 km nwn of Round Valley Rd and Newville Rd intersection ca 38.4 km nwn of Corning. 450 Comment
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Jul 8 2009
  CHSC80239  Linanthus dichotomus B. Castro; L. P. Janeway, G. Kuenster, S. Innecken, J. Lacey 2000-5-24 1182 Tehama Vicinity of Paskenta and Thomes Creek and Bowers Creek. 329 Comment
  JEPS94169 Image available Linanthus dichotomus Vernon Oswald and Lowell Ahart 1998-4-27 8980 Tehama Vestal Road at ATT fiber optics cable post 8/113, 6.1 mi. south of Hwy. 36 between Red Bluff and Platina. 304 Comment
  HSC96779  Linanthus dichotomus J. Carey, A. Hong, J. Leffingwell 1995-4-22 59 Tehama 9 mi. E on Hwy. 36 from its jct. with Rd. A16 457 Comment
  JEPS101664  Linanthus liniflorus subsp. liniflorus Dean W. Taylor 1997-5-30 16008 Tehama Ponderosa Way in canyon Soap Creek 822 Comment
  JEPS76677  Linanthus nuttallii G. L. Stebbins 1972-6-16 Tehama nw side Tedoc Comment
  CHSC64922  Lindernia dubia var. anagallidea Vernon H. Oswald 1995-6-30 6950 Tehama Cascade Range Foothills. E side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. On the e side of Manton Rd. ne of Dales Lake. 213 Comment
  JEPS101019  Linum bienne Dean W. Taylor 1993-5-22 13479 Tehama S of Battle Creek (ca. 1 mi SE Coleman Powerhouse), along Spring Branch road at the crossing of Spring Branch (creek) 228 Comment
  RSA123550  Linum lewisii Milo S. Baker, Douglas Barbe 1955-7-16 195 Tehama On the east ridge leading to the summit of South Yolla Bolly Mtn. (Mt. Linn). 2348 Comment
  CHSC88512  Lithophragma bolanderi Jenny Marr; Caroline Warren 1999-4-28 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 289 Comment
  JEPS127056  Lithophragma bolanderi Lowell Ahart, John Dittes 2016-4-29 20806 Tehama About 100 yards south of the fish ladder on Deer Creek, about 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. Comment
  JEPS88354  Lithophragma bolanderi Vernon H. Oswald and Lowell Ahart 1996-4-23 7452 Tehama BLM parcel along Hwy 36 ne of Red Bluff (Paynes Creek Canyon 0.4 mi n of the of Jeep Trail and 0.2 mi w of power line at this location); Hog Lake Plateau, Cascade Range Foothills 198 Comment
  UC1299674  Lithophragma glabrum Freed W. Hoffman 1950-7-4 3565 Tehama trail to Yolla Bolly North Peak (and Black Rock); trail to Yolla Bolly North Peak and Black Rock 1828 Comment
  CHSC53983  Lithophragma parviflorum var. trifoliatum Vernon H. Oswald 1991-4-30 4541 Tehama Hwy 36, 6.3 miles east of Paynes Creek, 3.6 miles west of Ponderosa Way. 893 Comment
  UCSB13402  Lithospermum californicum Dearing, Hugh; Dearing, Margaret 1938-6-24 Tehama 5 miles east of Mineral Comment
  CHSC40518  Logfia gallica Pauleen Broyles 1982-4-30 509 Tehama The Nature Conservancy Vina Plains Preserve. 60 Comment
  CHSC65910  Logfia gallica Vernon H. Oswald; Lowell Ahart 1996-4-15 7377 .2 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley. Stream ca. 0.6 mi E of the lane. 99 Comment
  CHSC87210  Logfia gallica Lowell Ahart; John Dittes, Josephine Guardino 2004-4-15 10746 Tehama Along the Nomalaki Trail, the second switchback north of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. 522 Comment
  JEPS88315  Lolium multiflorum Vernon H. Oswald and Lowell Ahart 1996-4-29 7475 Tehama nw Corning (CDFG parcel on s side of Gyle Rd., on the bank of the intermittent stream near the W boundary); nw Sacramento Valley 103 Comment
  UCD66636  Lolium temulentum A. A. Beetle 1942-5-18 3306 Tehama Near Paynes Creek, Gleason Experimental Plots. Comment
  CDA15414  Lomatium caruifolium var. denticulatum G. F. Hrusa, J. Hart 1998-5-1 14428 Tehama Sacramento Valley; Above S. side of Coyote Creek, Coyote Creek Conservation Area, approx. 1 mi. W of Paskenta Rd. . Comment
  CHSC32610  Lomatium caruifolium var. denticulatum J. D. Jokerst 1980-5-13 581 Tehama Wurlitzer Ranch, ca 0.5 mi N of Pine Cr. 137 Comment
  CHSC57337  Lomatium caruifolium var. denticulatum B. G. Clark 1987-4-6 18 Tehama 30 yds. south of Hogsback Rd 4.6 mi east of Hwy 99. Approx 4 mi east of Red Bluff on Hwy 99 and 1 mi east of Hwy 36 jct with 99. 259 Comment
  SEINET7072738  Lomatium caruifolium var. denticulatum A. G. Vestal 1963-5-9 s.n. Tehama About 14.6 miles northwest of Chico on Route 99 and about 2 miles southeast of Hoag Slough. UTM Zone 10, 583021mE, 4420093mN. Coordinate datum: NAD 27.) Comment
  CHSC61757  Lomatium ciliolatum Vernon H. Oswald; Lowell Ahart 1993-9-2 5914 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2438 Comment
  SEINET12765179  Lomatium dasycarpum subsp. tomentosum Barbara Ertter 1990-5-12 8935 Tehama NW side of Dry Fork Creek NW of jct of Hwy 36 and Rt A5 (Bowman Rd) ca 15 air miles WNW of Red Bluff, on Reed property.; 0 183 Comment
  CDA35767  Lomatium dasycarpum subsp. tomentosum J. R. Keck Jr. 1980-4-18 PDR# 330047 Tehama Red Bluff. 0 Comment
  UC923151  Lomatium dasycarpum subsp. tomentosum Freed W. Hoffman 1950-7-1 3268 Tehama 43.9 mi. w. Red Bluff (on rd. from Colyer Springs to Red Bluff) Comment
  UC703131  Lomatium macrocarpum Alice Eastwood and John Thomas Howell 1941-7-9 9824 Tehama near Government Flat Comment
  UC923155  Lomatium macrocarpum Freed W. Hoffman 1950-7-2 3270 Tehama rd. from Colyer Springs to Red Bluff 914 Comment
  HSC71025  Lomatium marginatum var. marginatum Thomas W. Nelson, Jane P. Nelson 1979-3-11 4561 Tehama Along county road A9 (Corning to Paskenta), 7 mi. W of Corning Comment
  CHSC102457  Lomatium marginatum var. purpureum L. P. Janeway; B. Castro 2009-4-25 9734 Tehama Cascade Range Foothills. Tehama Wildlife Area; along the Powerline Road near the Shaw Creek Bridge over an un-named northeastern fork of Shaw Creek. 518 Comment
  CHSC77519  Lomatium utriculatum B. Castro; L. P. Janeway 1999-5-5 924 Tehama About 26 air miles NW of Orland, vicinity of Rocky Ridge and Thomes Creek. Near Round Valley Rd. 266 Comment
  JEPS13765  Lonicera conjugialis Joseph Grinnell 1925-6-16 Tehama Mineral 1463 Comment
  JEPS75779  Lonicera involucrata var. ledebourii Todd and Virginia Keeler-Wolf 1971-7-16 216 Tehama 1/2 mi nw Shell Mountain; Yolla Bolla Mountains 1889 Comment
  SEINET10543635  Lotus David B. Dunn 1971-8-15 Dunn 18178 Tehama 22 mi eof jct of hwy 36 and hwy 99 on 36 in digger pine and yellow pine road to Lassen natl park. Comment
  JEPS102782  Lotus humistratus Lowell Ahart 2001-6-16 8878 Tehama On north side of the dirt road, about 4-1/2 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1112 Comment
  RSA21495  Lotus humistratus Carl B. Wolf 1937-5-15 8677 Tehama 2 mi. below mud flat on Paskenta - Covelo Road. 457 Comment
  UC54367  Lotus oblongifolius var. oblongifolius H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4345 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  JEPS103504  Lotus purshianus var. purshianus Lowell Ahart, John Dittes, Jim Gannon, Lyle Martinez 2002-11-4 10006 Tehama 1 1/4 air mi SE of Corning (bottom of a deep wash, Jewett Creek, E of Marguerite Road) 74 Comment
  UC725289  Lotus purshianus var. purshianus A. A. Heller 1937-6-21 Tehama Deer Creek Comment
  JEPS112848  Lotus rubriflorus Dean W. Taylor 1993-4-15 13343 Tehama 1 mile WNW of Dales Lake (Manton Road, County Road A6), right of way of Pacific Gas Pipeline, 300 yds N of Section Line 190 Comment
  RSA565116  Lotus rubriflorus D. W. Taylor 1992-4-15 13343 Tehama 1 mile WNW of Dales Lake; disturbed right-of-way of PG&E natural gas pipeline. 198 Comment
  JEPS104024  Lotus wrangelianus Lowell Ahart 2003-4-17 10109 Tehama Along the trail, on the n side of Dye Creek, ca 1/2 mi e of the Dye Creek buildings, Dye Creek Preserve, ca 6 mi (air) ne of Los Molinos. 174 Comment
  CHSC105947  Ludwigia palustris Lowell Ahart; John Dittes 2010-7-17 16847 Tehama Bare strand of the pond, dam on the west side of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 812 Comment
  SEINET10484547  Lupinus albifrons var. flumineus Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-7 Conrad 7068 Tehama Bald ridge of grass and rock, 0.5 mile n of mendocino pass on road to anthony Peak 1524 Comment
  SBBG3539  Lupinus arbustus H. and M. Dearing 1938-6-23 2109 Tehama Deer Crk 1249 Comment
  UC54410  Lupinus argenteus H. M. Hall and E. B. Babcock July 1-2, 1903 4329 Tehama near Morgan (Mill Creek Canyon); Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC3941  Lupinus bicolor D. F. Johnson 1967-3-9 10 Tehama Found on hillsides, especially around reservoir ca. 150 yds. north of Johnson Rd. ca. 10 mi. west of Red Bluff. 170 Comment
  CHSC88829  Lupinus bicolor Pat Sater 2001-4-8 Tehama Tehama Wildlife Area. 1 mile north of Antelope Creek upper slab crossing, 5 yds from Ishi Road. UTM: 10 0594961 E, 4454220 N. 551 Comment
  JEPS88481  Lupinus bicolor Vernon H. Oswald and Lowell Ahart 1996-4-3 7279 Tehama CDFG parcel on the S side of Gyle Rd. NW of Corning, northwest side of Thomes Creek Ecological Reserve; Sacramento Valley 103 Comment
  OBI59292  Lupinus bicolor Vernon H. Oswald 2001-3-26 9992 Tehama Inskip Hill Quad. T28N R1E NE1/4, NE 1/4 sect 19. Hogsback Rd 2.4 mi W of Finley Lake 756 Comment
  HSC89694  Lupinus bicolor William E. Avery, Steve Wilson, Matt Bergvall 1989-3-31 1989 Tehama On Tedoc Rd. (F.S. 45) near intersection with Hwy. 36, about 1.5 mi. E of boundry with Shasta Co. 549 Comment
  UC726294  Lupinus bicolor A. A. Heller 1929-5-2 14854 Tehama Olive Orchard Golf Links Comment
  CHSC102352  Lupinus bicolor var. pipersmithii L. P. Janeway 2009-3-28 9653 A Tehama Cascade Range Foothills. Tehama Wildlife Area; along West Grapevine Jeep Trail 1.9 km west of the power lines; ridge top north of Little Grapevine Creek. 503 Comment
  CHSC90421  Lupinus latifolius Niall McCarten; Roxanne Bittman 1986-6-16 5421 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. NE side Rd. 25N01. 1524 Comment
  LA47662  Lupinus latifolius J. M. Tucker; 1959-7-19 3575 Tehama South Yolla Bolly Mountain, above Square Lake, upper S side of mountain 2118 Comment
  RSA90611  Lupinus latifolius subsp. latifolius Milo S. Baker, H. K. Wagnon 1953-6-21 12792 Tehama Logging road west of Paskenta above Hendersons Canyon. Comment
  JEPS65074  Lupinus lepidus var. sellulus Jos. Grinnell June, 1925 Tehama Mineral 1463 Comment
  JEPS76678  Lupinus lepidus var. sellulus L. R. Heckard 1972-6-17 2952 Tehama E slope of Beegum Mt. Comment
  JEPS65475  Lupinus microcarpus var. densiflorus W. L. Jepson 1899-4-28 5 t Tehama Salt Creek a tributary of the Cottonwood; Salt Creek, a tributary of the Cottonwood Comment
  CHSC27823  Lupinus nanus var. vallicola Catherine Corr 1978-4-18 10 Tehama Ca. 15 mi n of Chico on Hwy 99 at Haille Rd. 1/4 mi w of Jct. 67 Comment
  CHSC38953  Lupinus obtusilobus J. D. Jokerst 1980-7-11 1110 Tehama North Coast Range. On a north facing slope just below the ridge ca. 1/4 mile east of the summit of South Yolla Bolla (Mt. Linn). 2377 Comment
  CHSC85307  Lupinus obtusilobus John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 783 Tehama High North Coast Range; Yolla Bolly-Middle Eel Wilderness; South Yolla Bolly Mountains; north slope of eastern ridge of Mt. Linn; ca. 0.6 air-mile east of Square Lake, along trail to Square Lake. 2159 Comment
  UC1072712  Lupinus obtusilobus Douglas Barbe 1955-7-16 200 Tehama e ridge leading to South Yolla Bolly summit (west Tehama Co.); South Yolla Bolly, Mt. Linn 2316 Comment
  CHSC64706  Lupinus pachylobus Vernon H. Oswald; Lowell Ahart 1995-4-25 6694 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Localized population in upland on the s side of the intermittent stream coming from the borrow pit, between Pool 19 and pile of powerline insulators. 207 Comment
  CHSC65761  Lupinus pachylobus Vernon H. Oswald; Lowell Ahart 1996-4-8 7327 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Locally abundant on an open, grassy plateau on the E side of Paynes Creek N of its mouth on the Sacramento River. 106 Comment
  SEINET10970043  Lupinus vallicola David B. Dunn, Billy Joe Cox 1971-6-10 Dunn 17958 Tehama 13 mi e of red bluff on ca hiway 36. In live oak. 305 Comment
  SEINET3882082  Luzula campestris Louise Kellogg 1952-7-11 20 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge directly south of South Yolla Bolly Mountain. Near stream.; 0 2134 Comment
  CHSC56348  Luzula cascadensis K. R. Stern 1986-5-21 8254 Tehama Deer Creek Meadows, 1 mi SE of jct of hwys 32 and 36. 1402 Comment
  CHSC116713  Luzula comosa var. laxa Lowell Ahart; John Dittes 2016-4-29 20803 Tehama About 30 yards south of the fish ladder on Deer Creek, about 0.9 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. 883 Comment
  JEPS94372  Luzula parviflora Vernon Oswald and Lowell Ahart 1997-7-7 8697 Tehama Forest Route 35 at Cedar Creek near the ne corner of Yolla Bolly Middle Eel Wilderness; Forest Route 35 at Cedar Creek 1066 Comment
  CHSC84593  Lycopus americanus Lowell Ahart; John Dittes 2003-9-17 10568 Tehama On a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  JEPS117387  Lycopus americanus Lowell Ahart, John Dittes 2010-10-4 17282 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3.0 miles (air) northwest of Vina 57 Comment
  JEPS106138  Lythrum hyssopifolia Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11198 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff 655 Comment
  JEPS118013  Lythrum hyssopifolia Lowell Ahart, John Dittes 2011-6-9 17446 Tehama Rio De Los Molinos Land Grant. High water line of a large vernal pool, sand dune area, about 100 yards south of the fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) northeast of Vina 80 Comment
  JEPS97389  Lythrum hyssopifolia Vernon H. Oswald and L. Ahart 1995-6-13 6847 Tehama T29N R2W NE1/4 SW1/4 Sec. 26, 720 ft, Cascade Range Foothills, stony Tuscan loam. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff 219 Comment
  SEINET12194974  Lythrum hyssopifolia Unknown 1982-1 666 Tehama The Nature Conservancy Vina Plains preserve 66 Comment
  HSC74953  Madia elegans J. P. Smith, Thomas W. Nelson 1979-6-24 10176 Tehama Shasta-Trinity National Forest. 0.8 mi. from Wells Creek Camp on the road to Tedoc Gap 1280 Comment
  CHSC64949  Madia exigua Vernon H. Oswald; Lowell Ahart 1995-7-12 7053 Tehama High North Coast Ranges. W of Red Bluff and S of Platina between Tedoc Gap and Stuart Gap on Forest Road 28N36, 0.8 mi W of Forest Route 45. Roadside. 1341 Comment
  CHSC80603  Madia exigua Lowell Ahart 2001-6-14 8829 Tehama On the west side of the dirt road that leads to the tower, on the east side of road M2, about 8 miles west of Paskenta. 609 Comment
  JEPS29558  Madia glomerata John Thomas Howell 1960-8-20 36211 Tehama near Lassen Volcanic National Park; Morgan 1463 Comment
  JEPS101363  Madia gracilis Dean W. Taylor 1997-7-18 16131 Tehama Ball Rock 1981 Comment
  UC1950243  Maianthemum racemosum Barbara Ertter with Brad Olson 1991-7-6 10358 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning Comment
  CHSC82311  Malacothrix clevelandii Lowell Ahart 2002-4-27 9544 Tehama About 10 yards northwest of the cattle guard, northwest of where the road is wide and one can park, on the west side of the dirt road that leads to the tower, east of Road M2, about 8 miles west of Paskenta. 609 Comment
  CHSC113914  Malacothrix floccifera Lowell Ahart 2014-5-8 19447 Tehama About 1/10 mile north of the restroom and the paved road to Berris Creek, west of Berris Creek, south side of Kendrick Creek, strand of Black Butte Reservoir, about 12 miles (air) southwest of Corning. 148 Comment
  CHSC68575  Malacothrix floccifera Vernon H. Oswald; Lowell Ahart 1997-5-14 8428 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 5.7 mi southeast of Plum Creek Rd., 0.4 mi northwest of the Middle Fork Antelope Creek. 981 Comment
  HSC15985  Malva nicaeensis L. T. Gault 1964-3-28 48 Tehama Los Molinos, S Center St. Comment
  CHSC67214  Marah fabacea var. agrestis James D. Jokerst 1981-2-23 1244 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd. Growing along Zimmershed Creek located N of Pine Creek. Comment
  HSC14235  Marrubium vulgare L. T. Gault 1964-3-27 33 Tehama Los Molinos, Vina-Tehama edge Comment
  JEPS97203  Matricaria discoidea Vernon H. Oswald and L. Ahart 1995-4-3 6557 Tehama T29N R2W NE1/4 SW1/4 Sec. 26, 710 ft, Cascade Range Foothills, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 216 Comment
  CHSC43936  Medicago minima V. Oswald; L. Ahart 1988-5-21 3337 Tehama Thomas Creek ca. 1 mi e of Pasquenta. 219 Comment
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Jul 20 2009
  JEPS103589  Medicago minima Lowell Ahart 2002-4-27 9565 Tehama In the road curve, on the N side of Road M2, ca 20 yards NW of the dirt road that leads to the tower, ca 8 miles W of Paskenta. 609 Comment
  HSC14980  Medicago polymorpha S. J. Hawks 1965-5-8 50 Tehama 15 mi. E of Red Bluff on Hwy. 36 Comment
  CAS-BOT-BC269524  Melica californica A. A. Heller 1916-4-20 12338 Tehama 3 miles north of Redding Comment
  CHSC78961  Melica californica Julie Cunningham; Heidi West, Caroline Warren 1998-5-14 Tehama Vicicinity of North Fork Stony Creek, Round Valley Road and Newville Road (Garland Road). 274 Comment
  OBI77303  Melica californica Anthony Baniaga 2011-6-12 339 Tehama CDFG: Tehama State Wildlife Area. Near intersection of Plum Crk rd (202) and Old Crk rd (28N94). Inskip Hill quad T28n R1E sec 5 SW of NW 647 Comment
  CHSC61450  Melica fugax Vernon H. Oswald; Lowell Ahart 1993-8-18 5848 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2133 Comment
  CHSC109861  Melica geyeri B. Castro; L. P. Janeway 2004-5-30 1462 Tehama High Cascade Range. Steep NE-facing slope above unnamed tributary from south into Deer Creek; 100 ft above Road 27N08 (road from Hwy 32 across Deer Creek toward Onion Butte), 1.4 road mi E of major hairpin turn where road drops into Deer Ck canyon. 999 Comment
  JEPS95128  Melica geyeri Vernon Oswald and Lowell Ahart 1997-6-10 8554 Tehama between Paskenta and Covelo on M2 (23N69) 0.9 mi w of its junction with M4, between Sugar Spring and Government Flat Campgrounds Covelo; between Paskenta and Covelo on M2 1737 Comment
  UCD87318  Melica geyeri Beecher Crampton 1954-6-16 1986 Tehama Crane Mills logging road, 1 mile north of Howell Saddle, Mendocino Natl. Forest--Paskenta District. 1920 Comment
  JEPS76661  Melica harfordii L. R. Heckard 1972-6-17 2963 Tehama nw side Tedoc Mt. (along new road around w side of mountain) 1280 Comment
  CHSC66139  Melica torreyana Vernon H. Oswald; Lowell Ahart 1996-5-6 7519 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On slope bordering Paynes Creek at this location. 128 Comment
  CHSC91149  Melica torreyana David W. Isle 1995-5-2 1057 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. Nomlaki Trail N of Bennett Ck crossing. 560 Comment
  CDA7115  Melilotus albus L. Ahart 2004-6-11 11024 Tehama On the south side of Thomes Creek, west of the end of the Nomalaki Trail, about 1/2 mile north of Dead Rabbit Lake, about 2 miles northwest of Bowers Creek, about 2 3/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. Comment
  JEPS117357  Mentha pulegium Lowell Ahart, John Dittes 2010-7-17 16849 Tehama Above the high water line of the pond, dam on the west side of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36 812 Comment
  SBBG128036  Mentha pulegium L. Ahart, J. Dittes 2010-7-17 16849 Tehama above the high water line of the pond, dam on the W side of the pond, Soap Crk Ranch, ca. 4.8 mi SE of Manton, ca. 2 mi N of Hwy 36 812 Comment
  CHSC87008  Mentha spicata Jenny Marr; Heidi West, Caroline Warren 1998-9-24 Tehama Vicinity of Red Bank Creek and The Narrows. 243 Comment
  CHSC80665  Mentzelia dispersa Lowell Ahart 2001-6-8 8780 Tehama On the south side of road M2, about 9 miles west of Paskenta. 792 Comment
  CHSC85308  Mentzelia dispersa John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 797 Tehama High North Coast Range; Yolla Bolly-Middle Eel Wilderness; South Yolla Bolly Mountains; north slope of Mt. Linn; north edge of Square Lake. 2135 Comment
  CHSC56087  Micranthes californica Kate A. Hanson 1977-3-30 Tehama Ca 1.6 km southeast of Round Valley Road, ca 6.4 km northwest-north of intersection of Round Valley Road and Newville Road; ca 38.4 km northwest-north of Corning. Hillside. 450 Comment
  CHSC67301  Micranthes californica James D. Jokerst 1981-2-23 1247 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd. Along Zimmershed Creek located N of Pine Creek. Comment
  CAS-BOT-BC429096  Micranthes odontoloma John Thomas Howell 1960-8-19 36128 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2346 Comment
  CHSC66107  Micropus californicus var. californicus Vernon H. Oswald; Lowell Ahart 1996-4-29 7480 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd., NW of Corning. (Collected near the S boundary ca. 0.2 mi W of the farm pond). 106 Comment
  HSC65818  Micropus californicus var. californicus C. Macdonald, P. Powers, C. Raley, J. Spitler, D. Stamp 1980-5-3 85 Tehama 1.5 mi. SSW of BM1797 on Rd. 29N15 610 Comment
  UC1053440  Micropus californicus var. californicus Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3130 a Tehama along Paskenta Road 8 mi ne Flourney (w Tehama County) Comment
  CHSC40580  Microseris douglasii subsp. douglasii Pauleen Broyles 1982-4-30 497 Tehama The Nature Conservancy Vina Plains Preserve. 60 Comment
  CHSC64695  Microseris douglasii subsp. douglasii Vernon H. Oswald; Lowell Ahart 1995-5-9 6719 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On the edge of the wetland just sw of Pool 20. 213 Comment
  CHSC66108  Microseris douglasii subsp. douglasii Vernon H. Oswald; Lowell Ahart 1996-4-29 7481 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd., NW of Corning. Near the S boundary just W of the farm pond. 106 Comment
  CHSC70864  Microseris douglasii subsp. douglasii Vernon Oswald; Lowell Ahart 1998-4-27 8983 Tehama Vestal Rd. 3.8 mi south of Hwy. 36 between Red Bluff and Platina. 365 Comment
  CHSC80345  Microseris douglasii subsp. douglasii Caroline Warren; Jenny Marr, Joyce Lacey-Rickert, Julie Cunningham 1998-4-28 Tehama Vicinity of North Fork Stony Creek, Newville Road (Garland Road), and Round Valley Road. 243 Comment
  CHSC116680  Microseris nutans Lowell Ahart; John Dittes 2016-4-29 20817 Tehama On north side of the trail, about 400 yards south of the fish ladder on Deer Creek, northwest of a flat area (campground) above Deer Creek, about 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 1/8 miles by trail to Highway 32. 935 Comment
  JEPS75792  Microseris nutans Todd and Virginia Keeler-Wolf 1971-6-18 174 Tehama about 1 1/2 mi se North Yolla Bolly Guard Station; Yolla Bolly Mountains 2042 Comment
  HSC75073  Microseris sylvatica J. P. Smith 1979-4-29 10076 Tehama Hwy. 36 at Basler Rd. Comment
  UC1010437  Mimulus Milo S. Baker and H. K. Wagnon 1953-6-20 12748 Tehama logging road w Paskenta (near 10 mi post) Comment
  RSA31630  Mimulus cardinalis A. A. Heller 1937-7-21 16172 Tehama Along Deer Creek between the first westerly crossing on the Deer Creek Road and Deer Creek Meadows. Comment
  JEPS10569  Mimulus douglasii Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  RSA795890  Mimulus floribundus L. Ahart 2012-6-2 18147 Tehama East side of Long Road, about 6.7 miles northeast of Dales and State Highway 36, northeast of Red Bluff. 326 Comment
  JEPS101529  Mimulus glaucescens Dean W. Taylor 1997-5-30 16020 Tehama Sand Spring Canyon headwaters (about 10 air miles East of Manton) 960 Comment
  JEPS3554  Mimulus guttatus Milo S. Baker and H. K. Wagnon 1953-4-26 12549 Tehama w Paskenta (at 5 mi post) 243 Comment
  UC2031400  Mimulus guttatus Barbara Ertter with Brad Olson 1991-7-4 10194 Tehama Toomes Camp Rd (Mendocino FR 23N01) 7.0 mi W of Paskenta, ca. 23 air miles W of Corning Comment
  SEINET8340794  Mimulus guttatus Unknown 2003-8-23 10535 Tehama both sides of trail, about 1/4 mile from the campsite as one hikes to Square Lake, about 1 mile northeast of Mount Linn, South Yolla Bolly. Comment
  UCD122709  Mimulus guttatus J. M. Tucker 1959-7-19 3564 Tehama ca. 1/2 mile east of Ides Cove, southeast side of South Yolla Bolly Mountain. 2103 Comment
  JEPS110086  Mimulus inodorus Lowell Ahart 2006-8-15 13194 Tehama Bottom of a small wash, east of Colby Creek, west of the poor dirt road, about 3/4 mile northwest of the Snowmobile Area, about 1 1/4 miles (air) northwest of Jonesville, about 4 3/4 miles (air) northeast of Butte Meadows Comment
  UCD122728  Mimulus kelloggii R. N. Raynor 1940-5-22 s.n. Tehama Mill Creek Road between Red Bluff and Mineral. Comment
  JEPS105878  Mimulus latidens Lowell Ahart 2004-4-29 10789 Tehama On the northeast side of Dead Rabbit Lake, east of the Nomalaki Trail, about 3/4 mile northwest of Bowers Creek, about 1 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta 571 Comment
  UC1778590  Mimulus layneae S. E. Schoenig 1998-7-5 98 -74 Tehama NW sandy roadside bank Hwy 32 1 mi NE of Potato Patch Campground. 1310 Comment
  UCD80790  Mimulus layneae CNPS SN Foothill Team 2005-6-21 SNNR 0330 c Tehama USFS, Lassen National Forest. 1158 Comment
  HSC20765  Mimulus layneae Larry Berti 1968-6-15 Tehama Along Battle Creek, about 5 mi. below Mineral 1372 Comment
  RSA759887  Mimulus layneae Barbara J. Ertter, Brad Olson 1991-7-4 10214 Tehama Toomes Camp Road (Mendocino FR 23N01) 12.5 miles west of Paskenta, 0.1 mile east of Elder Cr/Riley Ridge junction, about 25 air miles west of Corning 1098 Comment
  JEPS106014  Mimulus microphyllus Lowell Ahart 2004-6-28 11126 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta 213 Comment
  UC1239045  Mimulus microphyllus Freed W. Hoffman 1948-7-1 2431 Tehama Eagle Peak North Coast Ranges Comment
  JEPS34530  Mimulus nanus var. nanus Freed W. Hoffman 1947-6-23 1596 Tehama Government Flat North Coast Ranges 1772 Comment
  JEPS88569  Mimulus pilosus Vernon H. Oswald and Lowell Ahart 1996-6-3 7704 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; Cascade Range Foothills, Riparian Association in Blue Oak Woodland, Tuscan mudflow substrate. Along Paynes Creek ca. 0.3 mi downstream from old bridge site. 103 Comment
  UC1557994  Mimulus torreyi Barbara Ertter 1989-5-3 8439 Tehama Deer Creek Rd (Rt 32) at milepost 12.00 (e side of creek 20 air mi sw of Chester); Deer Creek 975 Comment
  UC600973  Mimulus torreyi Mrs. H. P. Bracelin 1932-7-23 667 Tehama 4 mi n Mineral (Mt. Lassen road) 1676 Comment
  UCD104399  Mimulus torreyi Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6862 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  POM252818  Mimulus torreyi A. A. Heller 1938-6-22 15176 Tehama Along Hwy #36 near Deer Creek Lodge. 1463 Comment
  RSA309211  Mimulus torreyi Joseph Grinnell 1928-6-24 s.n. Tehama Mineral. 1463 Comment
  UC511484  Minuartia californica D. K. Gillespie 1930-5-9 9287 Tehama 18 mi w Mineral (on the Susanville Road) Comment
  CHSC93462  Minuartia douglasii Lowell Ahart 2006-5-5 12574 Tehama Along the Nomalaki Trail (Thomes Gorge Trail), about 100 yards west of China Gulch, about 1/4 mile south of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta. 548 Comment
  RSA712819  Minuartia douglasii L. Ahart 2006-5-5 12574 Tehama Along the Nomalaki Trail (Thomes Gorge Trail), about 100 yards W of China Gulch, about .25 mile S of Bowers Creek, about .75 mile NW of Forest Road 23N69 (Mud Flat Road), about 6.5 miles (air) SW of Paskenta. 549 Comment
  CHSC78629  Minuartia nuttallii subsp. gregaria L. P. Janeway 2000-6-29 6840 Tehama High North Coast Ranges. Along South Yolla Bolly Trail about 1.3 km from the Ides Cove Trailhead; about 1.5 km east-southeast of Mt Linn. 2110 Comment
  CHSC90429  Minuartia nuttallii subsp. gregaria Niall McCarten 1986-6-16 5448 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. S/25N29, 0.5 mi. due so. of Browns Camp, 1 mi. east of Ides Cove Trailhead. Comment
  UC1299620  Minuartia nuttallii subsp. gregaria Freed W. Hoffman 1947-6-23 1633 Tehama Government Flat North Coast Ranges (w Tehama Co.) 796 Comment
  HSC71881  Minuartia rosei Thomas W. Nelson, Jane P. Nelson 1980-6-22 5855 Tehama Shasta-Trinity National Forest, summit of Mt. Tedoc 1585 Comment
  UCD98236  Minuartia rosei D. W. Taylor; G. L. Stebbins 1972-6-17 1503 Tehama on Mt. Tedoc. 1371 Comment
  CHSC64917  Mollugo verticillata Vernon H. Oswald; Lowell Ahart 1995-6-13 6848 A Tehama Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. On the dry margin of the Old Hwy. Pool. 219 Comment
  CHSC66091  Mollugo verticillata Vernon H. Oswald; Lowell Ahart 1996-5-27 7640 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Locally abundant on a gravel bar along the creek ca. 0.3 mi E of the W boundary of the reserve (W end of the large meander plain of the creek). 102 Comment
  JEPS8323  Mollugo verticillata Rimo Bacigalupi with L. Contstance, R. Moran, R. L. Rodriguez and S. Carlquist 1951-6-12 3365 Tehama 10.5 mi wnw of Red Bluff (along State Hwy 36, following Dibble Creek, 9 mi w of junction with U.S. Hwy 99); Dibble Creek Comment
  JEPS88252  Mollugo verticillata Vernon H. Oswald and Lowell Ahart 1996-5-27 7640 Tehama n.w. Corning (CDFG parcel on s. side of Gyle Rd., along the creek ca. 0.3 mi. e. of the w. boundary of the reserve...); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 102 Comment
  CAS-BOT-BC435057  Mollugo verticillata Ann W. Gillette 1978-8-5 s.n. Tehama Todd Island, Sacramento River southeast of Red Bluff Comment
  UC54601  Monardella odoratissima subsp. glauca H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4412 Tehama near Morgan, Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC61746  Monardella odoratissima subsp. pallida Vernon H. Oswald; Lowell Ahart 1993-9-2 5894 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2346 Comment
  CHSC79175  Monardella odoratissima subsp. pallida L. P. Janeway 2000-6-29 6847 Tehama High North Coast Ranges. About 900 m east of Mt. Linn, on top of the ridge from Mt. Linn to Ides Cove Trailhead. 2350 Comment
  CHSC82107  Monardella sheltonii L. P. Janeway 2001-7-29 7400 Tehama High Cascade Range. 5.1 km southeast of Turner Mountain, along Road 29N48; top of slope into inner canyon of Mill Creek above 'Big Bend. 1756 Comment
  CAS-BOT-BC220247  Monardella sheltonii Carl B. Wolf 1937-6-13 8789 Tehama Red Bluff - Eureka Road, 6 6/10 mi. NW. of Red Bluff 152 Comment
  JEPS102407  Monardella villosa subsp. villosa Lowell Ahart 2001-6-8 8776 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  UC883588  Monardella villosa subsp. villosa A. A. Heller 1916-6-19 12395 Tehama West of Proberta Comment
  CDA40778  Monardella villosa subsp. villosa L. Ahart 2001-6-8 8776 Tehama On the west side of road M2, about 9 miles west of Paskenta. Comment
  UC1949383  Montia chamissoi Barbara Ertter with Brad Olson 1991-7-6 10398 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning Comment
  RSA90814  Montia chamissoi Milo S. Baker, H. K. Wagnon 1953-7-12 12879 Tehama 6.1 miles from Whitlock Camp along County Road. 1829 Comment
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Jul 29 2009
  CHSC102344  Montia fontana L. P. Janeway 2009-4-4 9711 Tehama Cascade Range Foothills. Tehama Wildlife Area; along Cottonwood Jeep Trail 1.1 road km northwest of Powerline Road between Shaw Creek and Little Antelope Creek. 573 Comment
  JEPS95759  Montia fontana Vernon H. Oswald and L. Ahart 1995-2-22 6492 Tehama Dales Lake Ecological Reserve. T29N R2W SE1/4 NW1/4 Sec. 26, 700 ft, Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  UC1873688  Montia fontana Barbara Ertter with Brad Olson 1993-5-15 11816 a Tehama Spring Branch Road south of Battle Creek ca 15 air miles NNE of Red Bluff. Comment
  CHSC41079  Montia fontana subsp. amporitana Pauleen Broyles 1983-4-14 894 Tehama The Nature Conservancy Vina Plains Preserve. Hanging from vertical n face of exposed fanglomerate above irrigation ditch nw of barn. 60 Comment
  CHSC64363  Montia fontana subsp. chondrosperma Vernon H. Oswald; Lowell Ahart 1995-2-22 6492 Tehama Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Growing in shallow water in the intermittent drainage w of the borrow pit. 213 Comment
  CHSC51901  Montia linearis K. R. Stern; L. P. Janeway 1986-5-21 8295 Tehama Deer Creek Meadows, 1 mi SE of jct jsys 32 and 36. 1402 Comment
  JEPS106252  Muhlenbergia filiformis Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11190 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff 655 Comment
  UCD104384  Muhlenbergia filiformis Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6854 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  UCD86585  Muhlenbergia filiformis Milo S. Baker 1940-8-14 9814 Tehama At trail to Cherry Lake north of Government Flat near the Mendocino County Line. Comment
  RSA537453  Myosotis scorpioides Barbara Ertter 1989-7-4 8693 Tehama 1.4 mi E of Mineral on Hwy 36 at Conrad Grove LP, upper edge of Battle Creek Mds along Nanny Creek. 1524 Comment
  CHSC113329  Myosurus minimus Lowell Ahart; John Dittes 2014-5-18 19520 Tehama Along the east side of the canal, about 100 yards south of the bridge, about 1 1/2 miles east of the end of Lyon Cattle Road, about 3 1/2 miles (air) northeast of Los Molinos. 99 Comment
  UC1026393  Myosurus minimus John Thomas Howell 1954-4-26 29191 Tehama 6 mi s Corning Comment
  JEPS66422  Najas gracillima L. R. Heckard and P. Rubtzoff 1971-7-31 2684 Tehama just ne of Red Bluff (Sacramento River); Sacramento River Comment
  JEPS85648  Najas gracillima L. R. Heckard and P. Rubtzoff 1971-7-31 2684 Tehama just ne of Red Bluff (Sacramento River); Sacramento River Comment
  UCD138154  Najas gracillima Richard Yeo 1966-9-26 s.n. Tehama (21 miles downstream) of Corning Canal, ca. 4 miles southwest of Corning. Comment
  RSA201319  Nama lobbii J. T. Howell 1960-8-21 36306 Tehama Near Sulphur works entrance 1997 Comment
  RSA201316  Nama lobbii J. T. Howell 1960-8-21 36306 Tehama Near Sulphur works entrance 1997 Comment
  CHSC91141  Nassella cernua D. Isle 1995-6-20 210 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. (Southern end Nomlaki Trailhead) 0.15 mi. above Wilder Pond (=1.8 mi. up Log Springs Rd., 23N02.3=55 on Rec. map), 7 mi. from Salt Creek Rd. 670 Comment
  UCD87399  Nassella cernua A. A. Beetle 1944-5-22 3013 Tehama Between Button Canyon and Diamond Range, road from Red Bluff to Beegum. Comment
  RSA93478  Nassella lepida H. K. Wagnon s.n. Tehama 6 mi west of Paskenta along logging road Comment
  CAS-BOT-BC260113  Nassella pulchra A. A. Heller 1916-4-20 12334 Tehama 3 miles N of Redding Comment
  UCSB63933  Nasturtium officinale Oswald, Vernon; Ahart, Lowell 1996-5-6 Tehama BLM parcel along Hwy. 36 NE of Red Bluff in Tehama Co.; T28N R3W NW1/4 Sw1/4 Sect.13; Cascade Range Foothills; along Payness Creek at this location 124 Comment
  UC1543863  Navarretia capillaris Harold and Virginia Bailey 1948-8-28 3069 a Tehama near Sulphur Creek Campground (in meadow below Ski Hut, Lassen Volcanic National Park); Lassen Volcanic National Park, nr Sulphur Creek Campgrnd 2011 Comment
  JEPS13514  Navarretia divaricata Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-17 5345 Tehama 20.8 mi n Paskenta (Cold Spring Camp); Mendocino National Forest 1859 Comment
  UC1606319  Navarretia divaricata subsp. divaricata Barbara Ertter with James R. Shevock 1992-6-14 11217 Tehama 13 air mi ssw Mineral (Ponderosa Way w of junction with Lassen Trail, s of Mill Creek) 1066 Comment
  SEINET3894735  Navarretia filicaulis Barbara Ertter, James Shevock 1992-6-14 11201 Tehama Mill Creek Rim on N side Mill Creek, Ponderosa Way 3.6 miles N of Mill Creek Crossing, ca 13 airmiles SW of Mineral.; 0 1067 Comment
  CHSC66053  Navarretia heterandra Vernon H. Oswald; Lowell Ahart 1996-5-6 7539 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy 36 NE of Red Bluff. Between the SW end of Hog Lake and the parking lot on Hwy. 36. 265 Comment
  JEPS122135  Navarretia heterandra Lowell Ahart, John Dittes 2014-5-16 19484 Tehama About 1/8 mile northeast of the end of Lyon Cattle Road, about 2 1/4 miles (air) northeast of Los Molinos. Comment
  UCD15047  Navarretia intertexta Barbara Babbe 1977-5-21 11 Tehama California, Tehama Co.; 1/4 mile north of Corning Road along Freeman School House Road; 83 Comment
  HSC96840  Navarretia jepsonii L. Ahart 2004-6-11 11021 Tehama E of Dead Rabbit Lake along trail, 50 yds. W of Nomalaki Trail, 1.5 mi. NW of Bowers Creek, 2.25 mi. NW of FS Rd. 23N69, 8 mi. SW of Paskenta 550 Comment
  UCD36234  Navarretia leucocephala Beecher Crampton 1953-4-29 1162 Tehama Tehama County, 4 miles south of Dales, along Route 36. Comment
  UCD48531  Navarretia leucocephala Amelie C. Blyth 1950-7-16 3 Tehama Roadside meadow about 5 miles east of Childs Meadow, on Highway 36 and 89, Tehama County, California. Comment
  UCD18774  Navarretia leucocephala subsp. leucocephala Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-13 67 Tehama along the Manton Rd. (A6), 2 mi past its intersection with Hwy 36, on a ridge past Dales Lake, Inks Creek site. Comment
  SEINET11263190  Navarretia leucocephala subsp. leucocephala Barbara Ertter, Brad Olson 1993-5-15 11790 Tehama Jellys Ferry Road ca 6 miles NNE of Interstate Hwy 5 north of Red Bluff.; 0 122 Comment
  HSC49715  Navarretia leucocephala subsp. minima J. O. Sawyer, R. J. Cole 1979-5-13 3358 Tehama Lenninger Rd., 1 mi. N of SR 99 and Lassen Rd. jct. Comment
  UC1026715  Navarretia linearifolia subsp. pinnatisecta Douglas Barbe 1955-7-17 212 Tehama Cold Spring Camp Klamath Mountains, Mendocino Nat. Forest (Mendocino Nat. Forest, Klamath Mountains, w Tehama County) 1889 Comment
  JEPS99029  Navarretia mellita Vernon H. Oswald and Lowell Ahart 1998-10-27 9686 Tehama W of Paskenta (Nomalaki Trail, N of Mud Flat Rd., betw. China Gulch and Bowers Creek) 548 Comment
  CHSC7091  Navarretia pubescens E. L. Williams 1969-4-26 19 Tehama 100 ft. s of I.W. Williams' barn next to Harry Baker's fence on Evergreen Rd. off Bowman Rd. 137 Comment
  CHSC77774  Navarretia pubescens B. Castro; L. P. Janeway 1999-6-9 963 Tehama About 17 air miles SW of Red Bluff, vicinity of the confluence of Dry and Red Bank Creeks. 265 Comment
  CHSC77775  Navarretia pubescens B. Castro; L. P. Janeway 1999-6-10 978 Tehama About 19 air miles SW of Red Bluff, vicinity of Dry Creek. On terrace near creek channel. 301 Comment
  UCD32600  Navarretia pubescens Beecher Crampton 1954-6-15 1960 Tehama Tehama County, 3 miles east of Paskenta, flats of Thomes Creek. Comment
  CAS-BOT-BC232752  Navarretia sinistra subsp. pinnatisecta P. A. Munz 1951-7-25 16878 Tehama 1 mile E of Square Lake, South Yolla Bolly Mountains 2133 Comment
  POM310965  Navarretia sinistra subsp. pinnatisecta H. K. Sharsmith 1951-7-13 4028 Tehama Inner North Coast Ranges: In V of junction between road to Eagle Peak and road to Ball Rock, 10.3 miles northwest of Paskenta and 1.6 miles within eastern boundary of Mendocino National Forest. 1159 Comment
  UC1949346  Navarretia sinistra subsp. pinnatisecta Barbara Ertter with Brad Olson 1991-7-6 10392 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning Comment
  RSA93378  Navarretia sinistra subsp. pinnatisecta Milo S. Baker, H. K. Wagnon 1953-7-12 12870 Tehama 5.3 miles beyond Whitlock Camp along County road. 1829 Comment
  JEPS124008  Navarretia sinistra subsp. sinistra Lowell Ahart, John Dittes 2015-8-6 20521 Tehama West side of Childs Meadow, 0.67 air miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air miles southeast of Doe Mountain, 10.41 air miles south of Lassen Peak. Comment
  CHSC4473  Navarretia subuligera C. Glascock 1965-5-15 423 Tehama 12.4 mi. W of Mineral R.S. on Hwy. 36 at N roadside. Comment
  JEPS101662  Navarretia subuligera Dean W. Taylor 1997-5-30 16014 Tehama Highway 36 about 6 miles East of Paynes Creek; on flank near summit of broad hill 3090 located about 2 miles East of the junction with Ponderosa Way 929 Comment
  UCD39797  Navarretia subuligera Collector Unknown no date Tehama NE of Red Bluff. Comment
  CHSC113346  Navarretia tagetina Lowell Ahart; John Dittes 2014-5-16 19486 Tehama Open pasture field, along the south side of the poor dirt road, about 200 yards southwest of the lone oak tree, about 1/2 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. 99 Comment
  CHSC86982  Navarretia tagetina Jenny Marr; Caroline Warren 1998-7-8 Tehama Vicinity of Red Bank Road, Red Bank Creek, and Sunflower Gulch. 289 Comment
  HSC1778  Navarretia tagetina Larry Berti 1969-5-9 82 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  UC1076052  Navarretia tagetina Herbert L. Mason 1947-5-18 14786 Tehama 1 mi w Corning Comment
  UC809640  Navarretia tagetina Philip A. Munz 1949-5-14 13202 Tehama 7 mi s Corning Comment
  CHSC76524  Navarretia viscidula Heidi West; Julie Cunningham, Natalie Wight 1998-6-25 Tehama Vicinity of South Fork Cottonwood Creek, Dippingvat Flat, and Cooks Flat. 335 Comment
  CHSC76525  Navarretia viscidula Heidi West; Jenny Marr, C. Warren,J. Cunningham, N. Wight 1998-7-6 Tehama Along un-named tributary, vicinity of South Fork Cottonwood Creek, Long Gulch, and Story Flat. 365 Comment
  CHSC80053  Navarretia viscidula L. P. Janeway; B. Castro, Shirley Innecken 2000-6-5 6781 Tehama Vicinity of Thomes Creek and Bowers Creek. 350 Comment
  RSA695515  Navarretia viscidula L. Ahart, John Dittes 2003-6-11 10252 Tehama On the W side of Battle Creek. About 1 mile N of Manton Rd. About 1.5 miles (air) NE of the Colman Power House. About 5 miles (air) WSW of Darah Springs State Fish Hatchery. About 10 miles (air) ENE of Cottonwood. 153 Comment
  UC526145  Navarretia viscidula John Thomas Howell 1934-6-17 12232 Tehama near Cottonwood Comment
  UC1111588  Navarretia viscidula Herbert L. Mason 1947-5-18 14791 Tehama w of Paskenta (base of Paskenta Grade); Paskenta Grade Comment
  UC998342  Navarretia viscidula Milo S. Baker and H. K. Wagnon 1953-6-20 12741 Tehama 1.7 mi e Flournoy (on Corning-Paskenta rd, w Tehama County) Comment
  JEPS117678  Nemacladus capillaris Lowell Ahart, John Dittes 2010-7-17 16867 Tehama On dry red bare rocky soil, near the fence, about 100 yards southeast of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36 819 Comment
  SEINET10464810  Nemacladus capillaris Alice Eastwood, John Thomas Howell Eastwood 9723 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CHSC78824  Nemacladus montanus Julie Cunningham; Natalie Wight 1998-5-19 Tehama Vicinity of North Fork Stony Creek and Rocky Ridge. 274 Comment
  SEINET10461251  Nemacladus montanus Hoffman 1950-7-3 HOFFMAN 3760 Tehama About 10.5 miles west of Paskenta Comment
  UC726898  Nemophila heterophylla A. A. Heller 1927-4-23 14347 Tehama Fern Bank Comment
  CHSC116923  Nemophila menziesii J. P. Bergmann 2011-3-18 Tehama Corning,Loleta Avenue. 66 Comment
  JEPS1483  Nemophila menziesii Virginia Bailey 1938-4-16 Tehama on Paskenta-Covelo Road 6 mi w Paskenta; w of Paskenta Comment
  RSA75892  Nemophila menziesii var. menziesii Lincoln Constance, J. L. Morrison 1938-5-1 2180 Tehama Low hills at Paskenta, Inner North Coast Ranges. 305 Comment
  UC1949209  Nemophila parviflora var. austiniae Barbara Ertter with Brad Olson 1991-7-4 10226 Tehama Toomes Camp Rd (Mendocino FR 23N01) 13.5 mi W of Paskenta, Mill Creek crossing 0.9 mi W of Elder Cr/Riley Ridge jct, ca 27 airmiles W of Corning Comment
  HSC1838  Nemophila pedunculata Larry Berti 1969-3-15 14 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from dam 213 Comment
  HSC86966  Nemophila pedunculata Terry Hines, Ellen Purcell, N. Williams 1988-3-26 28 Tehama 4 mi. E of Paynes Creek on Hwy. 36 762 Comment
  CHSC94206  Nemophila spatulata Lowell Ahart 2006-7-11 12948 Tehama On the high east bank of Colby Creek, about 50 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1518 Comment
  CHSC64734  Odontostomum hartwegii Vernon H. Oswald; Lowell Ahart 1995-4-25 6693 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. 198 Comment
  HSC75072  Odontostomum hartwegii J. P. Smith 1979-4-29 10078 Tehama Hwy. 36 at Basler Rd. Comment
  SD211497  Odontostomum hartwegii Barbara Ertter 1991-5-19 9872 Tehama 14.5 miles West of Red Bluff on Highway 36, near Baxter Road junction 244 Comment
  SD48512  Odontostomum hartwegii E. K. Balls 1957-5-24 22537 Tehama 13.7 miles northwest of junction [of] State Highway 36 and U.S. Highway 99. On moist ground. 274 Comment
  JEPS97340  Oenanthe sarmentosa Vernon H. Oswald and L. Ahart 1995-7-31 7164 Tehama T29N R1W SE1/4 NE1/4 Sec. 4, 1200 ft, Cascade Range Foothills, Blue Oak Wood-land. At Morgan Creek crossing Lane Valley Rd. 1.0 mi SE of Manton Rd. (A6) 365 Comment
  CAS-BOT-BC254349  Orcuttia tenuis Beecher Crampton 1958-8-12 5072 Tehama Hog Lake, State Highway 36, 10.8 miles NE of Red Bluff Comment
  CAS-BOT-BC254353  Orcuttia tenuis R. D. Stone; R. E. Buck 1987-8-10 842 Tehama 1.4 miles NNE of Dales and 0.15 mile E of Manton Road [County Road A-6], ca. 15 miles NE of Red Bluff 210 Comment
  CHSC45781  Orcuttia tenuis R. D. Stone; R. E. Buck 1987-8-4 834 Tehama Central Valley. About 2.5 miles NNE of Vina, third in the series of five Laniger (Leininger) Lakes. Vernal pool. 80 Comment
  CHSC45789  Orcuttia tenuis R. D. Stone; J. M. Erzinger 1986-7-18 759 Tehama Central Valley. N side of Springs Ranch Road ca. 3.5 miles SE of Balls Ferry, 0.85 miles ESE of Coleman Fish Hatchery and 0.25 miles S of the Tehama-Shasta county line. 196 Comment
  CHSC45794  Orcuttia tenuis R. D. Stone 1986-7-20 772 Tehama Central Valley. Dales Lake, W side of Manton Road (County Rd. A-6) about 15 miles NE of Red Bluff and 1.3 miles NNE of Dales. Vernal lake. 213 Comment
  CHSC45795  Orcuttia tenuis R. D. Stone 1986-7-21 773 Tehama Central Valley. Ca. 10 miles NE of Red Bluff, 0.35 miles E of Highway 36 and 0.85 miles due S of Hog Lake. Vernal pool. 289 Comment
  JEPS84156  Orcuttia tenuis R. D. Stone and R. E. Buck 1987-8-9 840 Tehama 0.1 mi sw reservoir 368' (1 mi ne of Bend, ca 7 mi nne of Red Bluff); Central Valley 112 Comment
  RSA516506  Orcuttia tenuis R. D. Stone 1986-8-23 800 Tehama About 12 miles NE of Red Bluff and 2.5 miles SW of Dales Lake on Inks Creek Ranch. 179 Comment
  UC1115512  Orcuttia tenuis Beecher Crampton 1958-8-12 5072 Tehama State Hwy 36 10.8 mi ne Red Bluff; Hog Lake Comment
  UC677601  Orcuttia tenuis A. A. Beetle 1942-8-5 3811 Tehama on Rt. 36 4 mi s Dales Comment
  UCD88256  Orcuttia tenuis Beecher Crampton 1958-8-12 5072 Tehama 10.8 miles northeast of Red Bluff, along State Hwy. 36. Comment
  UCD88275  Orcuttia tenuis F. T. Griggs 1974-6-19 136 Tehama 1.4 miles north of Dales. 100 meters west of County Road A-6. Comment
  SEINET10592193  Orcuttia tenuis R. D. Stone 1986-1 Tehama Comment
  CAS-BOT-BC349979  Oreostemma alpigenum var. andersonii John Thomas Howell 1960-8-18 36072 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  SEINET2442115  Oreostemma alpigenum var. andersonii David Keil, Kathleen Keil 1992-7-25 23591 Tehama Lassen National Forest along Highway 89. 0.8 miles S of Lassen Volcanic National Park southern boundary. Lodgepole pine-red fir forest with meadows. Comment
  JEPS117395  Orobanche californica subsp. grayana Lowell Ahart, John Dittes 2010-10-4 17278 Tehama Northwest meadow area of the dry pond, Childs Meadows, 1.2 miles (air) southeast of the intersection of Highway 36 and USFS Road 24N25, 1.93 miles (air) northeast of the town of Millcreek, 2.9 miles (air) west of Wilson Lake 1475 Comment
  CAS-BOT-BC500196  Orobanche fasciculata John Thomas Howell 1955-6-12 30311 Tehama Flood bed of Dibble Creek, 1.5 mi N of Red Bluff 91 Comment
  JEPS127361  Orogenia fusiformis Tim Kask 2013-4-20 204 Tehama Jones Valley off Highway 172 between Mineral and Mill Creek. Comment
  SEINET10964391  Orthocarpus attenuatus Mary Susan Taylor 1975-4-18 Taylor 486 Tehama Ca. 0.5 mi E of Hwy 99, on Keefer Rd, ca. 0.5 mi NE of jct of Hwy 99 and Keefer-Lassen Rd, ca. 5 mi N of Chico. Around huge vernal pool. 61 Comment
  SEINET12332654  Orthocarpus attenuatus Unknown 1982-1 381 Tehama Nature Conservancy Vina Plains Preserve, ca 0.3 mi NW of jct of access road & Hwy 99 at S pasture Comment
  RSA424696B  Orthocarpus erianthus Aaron Liston, M. Blumler 1987-4-24 654 -17 Tehama Hwy 36 between Dales and Paynes Creek; 4-5 miles SW of Dales. Comment
  SBBG85560  Orthocarpus imbricatus E. R. Blakley 1982-8-23 7289 Tehama W fork of Mill Crk 1676 Comment
  CHSC42641  Oxypolis occidentalis Vernon Oswald 1985-7-8 1892 Tehama Hwy 32 1.9 mi sw of Elam Campground. 1365 Comment
  JEPS89344  Packera greenei Dean W. Taylor 1992-6-18 12801 Tehama along Forest Rd. 25N01 Valentine Ridge; Inner N. Coast Ranges, Valentine Ridge Comment
  CHSC56316  Paeonia brownii K. R. Stern 1986-5-21 8256 Tehama Deer Creek Meadows, 1 mi SE of jct of hwy7s 32 and 36. 1402 Comment
  CHSC84297  Panicum acuminatum var. acuminatum Lowell Ahart; John Dittes 2003-6-11 10274 Tehama On the west side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  CHSC86977  Panicum capillare Jenny Marr; Heidi West, Caroline Warren 1998-9-24 Tehama Vicinity of Red Bank Creek and The Narrows. 243 Comment
  RSA66622  Parnassia palustris var. californica P. A. Munz 1951-7-26 16915 Tehama South base of South Yolla Bolly Mountains. 2104 Comment
  JEPS82504  Paronychia ahartii Rimo Bacigalupi with Drs. Herbert and Lucille Mason Apr 22 1958-Apr 23 1958 6290 Tehama about 2 mi w Kirkwood (and about one-half mi w of U.S. Highway 99, about 7 mi s of Corning); lower portions of the Kirkwood plains 73 Comment
  HSC39637  Paspalum dilatatum J. P. Smith, J. O. Sawyer 1971-5-22 4640 Tehama 39 mi. W of Mineral on State Route 36 244 Comment
  CHSC62920  Pectocarya penicillata Vernon H. Oswald; Lowell Ahart 1994-4-6 6086 Tehama Burris Creek Arm of Black Butte Lake, on the shoreline near the E end of Morrison-Bryant Rd. 144 Comment
  CHSC75255  Pectocarya pusilla Vernon H. Oswald; Lowell Ahart 1999-4-21 9707 Tehama High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake. Edge of the trail. 655 Comment
  JEPS124055  Pedicularis attollens Lowell Ahart, John Dittes 2015-8-5 20452 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mountain, 9.77 air-miles south of Lassen Peak. Comment
  RSA518870  Pedicularis aurantiaca Barbara J. Ertter 1989-5-3 8435 Tehama Deer Creek Rd (Rt 32) at milepost 12.00, E side Deer Creek ca 20 airmiles SW of Chester. 976 Comment
  SEINET263491 Image available Pedicularis densiflora Richard J. Shaw 1993-5-23 5101 Tehama Lassen National Forest ; Mile marker 89 near jct of Hwys 36 & 89 near Morgan Summit 1707 Comment
  UCD108143  Pediomelum californicum Beecher Crampton 1954-6-16 1997 Tehama Tehama County, Round Mountain area, Whitlock Camp, to the west of Paskenta. 1219 Comment
  HSC1073  Pellaea mucronata Larry Berti 1968-6-15 Tehama 200 yards above the dam on Antelope Cr. Comment
  HSC1751  Pellaea mucronata Larry Berti 1969-3-19 40 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, from the dam to 3 mi. upstream from the dam. 213 Comment
  CDA42752  Pellaea mucronata var. californica L. Ahart 2004-4-29 10811 Tehama About 1/8 mile southeast of an unnamed lake, along the Nomalaki Trail, about 3/4 mile by trail northwest of Dead Rabbit Lake, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta Comment
  CHSC116669  Pellaea mucronata var. californica Lowell Ahart; John Dittes, Josephine Guardino 2016-2-11 20701 Tehama On both sides of Deer Creek Trail, about 150 yards north of thee fish ladder on Deer Creek, about 2 miles by trail to Highway 32. 883 Comment
  JEPS106167  Pellaea mucronata var. californica Lowell Ahart 2004-4-29 10811 Tehama ca. 1/8 mi SE of an unnamed lake, along Nomalaki Trail, ca. 3/4 mi by trail NW of Dead Rabbit Lake, ca. 1 1/2 mi NW of Bowers Creek, ca. 2 1/4 mi NW of Forest Rd 23N69 (Mud Flat Rd), ca. 8 mi (air) SW of Paskenta 562 Comment
  HSC95704  Penstemon anguineus Vernon H. Oswald, L. Ahart 1997-7-7 8710 Tehama Forest Route 35 at Jones Camp Creek, N side of Yolla Bolly-Middle Eel Wilderness, E of Rat Trap Gap 1524 Comment
  UC1034006  Penstemon deustus var. deustus Francis W. Pennell Jul 22 1940-Jul 23 1940 26242 Tehama Route 89 Bluff Falls s Sulphur Works (s of Mount Lassen); , Bluff Falls s of Sulphur Works 1889 Comment
  SEINET272932 Image available Penstemon laetus subsp. leptosepalus Karl A. Vincent 1987-6-25 4433 Tehama Sierra Nevada Deer Creek canyon; 3 plants along roadside of CA 32 in mixed conifer-hardwood forest just N of Potato Pa 1097 Comment
  JEPS9342  Penstemon neotericus George W. Gillett 1953-8-16 337 Tehama near Diamond Peak; Lassen Volcanic National Park, near Diamond Peak 2209 Comment
  RSA305801  Penstemon neotericus James R. Shevock 1972-7-24 2196 Tehama Hwy 32, S. of Lassen Park 915 Comment
  CHSC116683  Penstemon newberryi Lowell Ahart; John Dittes 2016-4-29 20819 Tehama On a large rock along Deer Creek, about 50 yards south of the trail, about 5/8 mile southwest of the fish ladder on Deer Creek, about 0.3 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 5/8 miles by trail to Highway 32. Comment
  CAS-BOT-BC245667  Penstemon newberryi var. newberryi John Thomas Howell 1960-8-19 36194 Tehama Summit of Brokeoff Mt., Lassen Volcanic National Park 2804 Comment
  UC1037361  Penstemon purpusii Douglas Barbe 1955-7-16 182 Tehama e ridge leading to summit of mt. e ridge leading to summit South Yolla Bolly (Mt. Linn) 2286 Comment
  UC1562600  Penstemon rydbergii var. oreocharis Barbara Ertter 1989-7-4 8694 Tehama 1.4 mi e Mineral (on Hwy 36 at Conard Grove LP, upper edge of Battle Creek Meadows, along Nanny Creek); Battle Creek Meadows, Nanny Creek 1524 Comment
  CHSC87366  Pentagramma triangularis subsp. triangularis Lowell Ahart 2004-4-29 10810 Tehama About 1/8 mile southeast of an unnamed lake, along the Nomalaki Trail, about 3/4 mile by trail northwest of Dead Rabbit Lake, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 562 Comment
  JEPS17519  Perideridia bolanderi subsp. bolanderi Jos. Grinnell 1925-6-23 Tehama Battle Creek Mdws. 1463 Comment
  UC54317  Perideridia bolanderi subsp. bolanderi H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4337 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CHSC42655  Perideridia parishii subsp. latifolia Vernon Oswald 1985-7-8 1894 Tehama Hwy 32 1.8 mi sw of Hwy 36. 1414 Comment
  CHSC48662  Persicaria amphibia Vernon Oswald 1984-7-16 1594 Tehama W end of Wilson Lake located ca. 8 mi e of Mineral. 1609 Comment
  HSC17490  Persicaria amphibia Larry Berti 1968-11-22 Tehama Edge of the first pond past the Radar Base, Red Bluff Comment
  CHSC84602  Persicaria lapathifolia Lowell Ahart; John Dittes 2003-9-17 10590 Tehama On a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  CHSC41076  Persicaria maculosa Pauleen Broyles 1982-5-28 675 Tehama The Nature Conservancy Vina Plains Preserve. Disturbed area along Sheep Camp Ditch in s pasture and w of barn. 62 Comment
  CHSC66204  Persicaria maculosa Vernon H. Oswald; Lowell Ahart 1996-6-3 7723 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Growing on a gravel bar on the E side of Paynes Creek just upstream from the Sacramento River. 91 Comment
  CAS-BOT-BC419165  Persicaria maculosa R. E. Frenkel 1964-9-30 910 Tehama On California Hwy. 36, 4.3 miles west of Mineral 1356 Comment
  CHSC84611  Persicaria punctata Lowell Ahart; John Dittes 2003-9-17 10599 Tehama On a gravel bar on the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. 60 Comment
  CHSC66013  Petrorhagia dubia Vernon H. Oswald; Lowell Ahart 1996-4-29 7494 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. Nw of Corning. (Collected on a gravel bar along the intermittent stream ca. 0.3 mi E of the W boundary). 102 Comment
  CHSC76048  Petrorhagia dubia G. F. Hrusa; J. Hart 1998-5-10 14431 Tehama Northern Sacramento Valley. Among pools on ridge above Coyote Creek wash, Coyote Creek Conservation Area +/- 1/2 mi. W of Paskenta Rd. 90 Comment
  CHSC96650  Petrorhagia dubia Lowell Ahart 2007-5-8 13733 Tehama Along flood plain of Dibble Creek, about 100 yards north of Highway 36, about 3.7 miles west of the intersection of Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  UCD35950  Petrorhagia dubia Beecher Crampton 1953-4-29 1166 Tehama 4 miles south of Dales. Comment
  RSA669477  Petrorhagia dubia R. R. Halse 1977-5-26 1585 Tehama Creek bed by the first rest area N of Red Bluff along Interstate Hwy 5, 9 miles S of the Shasta County Line. 125 Comment
  JEPS76747  Phacelia corymbosa L. R. Heckard 1972-6-17 2954 Tehama nw side Tedoc Mt. (along new road around w of mountain) 1280 Comment
  CHSC78852  Phacelia distans Julie Cunningham; Heidi West, Caroline Warren 1998-5-14 Tehama Vicinity of North Fork Stony Creek, Round Valley Road, and Newville Road (Garland Road). 274 Comment
  JEPS2010  Phacelia distans W. L. Jepson 1899-4-27 21015 Tehama not far from Tom's Head (but down in the foothills, w Tehama Co.); Wimmeshaw Comment
  JEPS13517  Phacelia egena Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-16 5328 Tehama summit Mt. Linn (very summit of ridge); So. Yolla Bolly Ridge 2463 Comment
  RSA93129  Phacelia egena Milo S. Baker, H. K. Wagnon 1953-7-11 12839 Tehama Three miles above Whitlock Camp. 1524 Comment
  UC1002524  Phacelia egena Milo S. Baker and H. K. Wagnon 1953-7-11 12839 Tehama along County Rd 3 mi above Whitlock Camp 1524 Comment
  UC660065  Phacelia heterophylla subsp. virgata Alan A. Beetle 1941-6-27 2749 Tehama Route 32 20 mi ne Lomo (banks above creek); Deer Creek 1219 Comment
  RSA120842  Phacelia heterophylla subsp. virgata Milo S. Baker s.n. Tehama West of Paskenta in Mend Nat. Forest above Whitlock Camp. 1372 Comment
  CHSC44209  Phacelia mutabilis Vernon Oswald 1988-7-12 3554 Tehama Ides Cove Loop Trail (9W04), South Yolla Bolly Mts, at Long Lake. 2148 Comment
  CHSC60362  Phacelia mutabilis Mary Ann Showers 1992-6-26 2574 Tehama Lassen Volcanic National Park. Rocky, hydrothermally altered area on ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  JEPS1154  Phacelia mutabilis Joseph Grinnell Tehama Mineral 1463 Comment
  JEPS112911  Phacelia purpusii Dean W. Taylor 1997-6-6 16025 Tehama Campbell Ridge; along road from Campbellville to Baccalla Cabin; on north-side of ridge in Sulphur Creek drainage, about 50 ft below rim 1066 Comment
  CHSC87021  Phalaris aquatica Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-7-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 289 Comment
  CHSC88534  Phalaris aquatica Jenny Marr; Beth Hendrickson 1999-5-28 Tehama Vicinity of Long Hollow, Grizzly Creek, and Bluedoor Flat. 289 Comment
  JEPS100928  Phalaris aquatica Dean W. Taylor 1993-5-5 13447 Tehama 1 mile W of Dales Lake; large vernal pool bordered by Quercus douglasii woodland 228 Comment
  JEPS118032  Phalaris paradoxa Lowell Ahart, John Dittes 2011-6-9 17456 Tehama Rio De Los Molinos Land Grant. Low area in field, under the pole line, 2685 feet east of Highway 99, 1.5 miles (air) north of Vina.Valley Grassland 71 Comment
  UC1183422  Phleum alpinum J. M. Tucker 1959-7-19 3563 Tehama ca. 1/2 mi e Ides Cove (rivulet above the road, se side of South Yolla Bolly Mountain); se side South Yolla Bolly Mountain, e of Ides Cove 2103 Comment
  JEPS28766  Phlox diffusa George W. Gillett 1957-8-13 1062 Tehama about 1.75 mi above Sulphur Works Checking Station; Lassen Volcanic National Park, Brokeoff Mountain 2438 Comment
  UC1051687  Phlox douglasii subsp. rigida Helen K. Sharsmith 1953-6-24 4354 Tehama near summit of Ovenlid; Inner North Coast Ranges, Mendocino National Forest 1920 Comment
  JEPS71081  Phlox gracilis W. L. Jepson 1932-5-9 16329 Tehama Paskenta 304 Comment
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Jul 1 2009
  UC998329  Phlox speciosa Milo S. Baker and H. K. Wagnon 1953-6-21 12771 Tehama w of Paskenta (logging road, w Tehama County); Whiskey Saddle 1448 Comment
  UC556434  Phlox speciosa subsp. occidentalis Rimo Bacigalupi 1934-5-29 2407 Tehama along Paskenta to Covelo Road (close to Mendocino-Tehama County line); Mendocino National Forest, Government Flat 1828 Comment
  CHSC88570  Phoradendron libocedri L. P. Janeway 2001-6-10 7144 Tehama High North Coast Ranges. Along Road 28N36 1.1 km west-southwest of Tedoc Gap; along a minor tributary of South Fork Beegum Creek. 1340 Comment
  CHSC77392  Phoradendron villosum Heidi West; Jenny Marr 1999-4-13 Tehama Vicinity of Newville Road (Garland Road) and Round Valley Road. 274 Comment
  CHSC88278  Phyla nodiflora var. rosea Lowell Ahart 2004-6-28 11143 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  JEPS66663  Phyllodoce breweri Jos. Grinnell 1925-7-3 Tehama on summit of Turner Mountain, Mineral Mineral; Turner Mountain, Mineral 1828 Comment
  SEINET12332653  Physalis angulata var. lancifolia Unknown 1982-1 807 Tehama The Nature Conservancy Vina Plains Preserve, ca 0.5 km S of Lassen Rd 66 Comment
  RSA739805  Physalis lancifolia John Dittes, Josephine Guardino 2008-10-8 1545 Tehama Northern Sacramento Valley, E bank of Sacramento River at Southern edge of Mill Creek confluence 63 Comment
  RSA0029475  Phytolacca americana David J. Keil, Kathleen Keil 2011-7-25 31091 Tehama Ca. 2.2 miles west of Interstate Route 5 and north from Bowman Road on Amen Lane. 135 Comment
  CHSC117638  Phytolacca americana var. americana Lowell Ahart; John Dittes 2016-8-25 21306 Tehama East of the parking area, along a dirt road, about 200 yards west of the Sacramento River, Anderson River Park, 0.7 mile (air) upstream from Sillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderon. Undesignated section of San Buenaventura Land Grant. 117 Comment
  CHSC80126  Pilularia americana B. Castro; L. P. Janeway 2000-5-23 1178 Tehama Vicinity of Orland and Black Butte Lake, in 'hummocky' rolling hills between Rice and Brannin Creeks. 115 Comment
  JEPS97381  Pilularia americana Vernon H. Oswald and Lowell Ahart 1995-4-3 6569 Tehama 14 mi NE of Red Bluff (W side of Manton Rd(A6)1.5 mi N of Dales Station on Hwy 36; NE corner of reserve, unimproved rd betw the airstrip and the W boundary; W of old hwy); Cascade Range Foothills, Dales Lake Ecological Reserve 213 Comment
  HSC1388  Pinus balfouriana R. J. Mastrogiuseppe 1967-7-11 Tehama Mt. Linn in S Yolla Bolly Mtns., Bulk Collection # 91 2409 Comment
  UCSB23622  Pinus balfouriana Wilken, Dieter; Haller, John; Langford, A. 1968-9-11 Tehama West of summit of Mt. Linn, South Yolla Bolly Mtns. 2438 Comment
  SEINET10530676  Pinus contorta David B. Dunn, Billy Joe Cox; Melissa Leake 1971-6-10 Dunn 17976 Tehama 14 mi E of Mineral on Calif Hwy 36; at Camp in Gurnsey National Forest; Andrositic flow; Abies concolor, Pinus ponderosa, P. flexilis and Pseudotsuga menziesii. Comment
  CHSC88965  Pinus ponderosa A. Peterson 2003-4-10 29 Tehama Hwy 36 east of Red Bluff. Jct. with Ponderosa Way. 1219 Comment
  CHSC29585  Pinus sabiniana Dibble; Griggs 1979-8-16 173 Tehama Near Round Mountain, close to the town of Paskenta. 1219 Comment
  CHSC76795  Piptatherum miliaceum L. P. Janeway; B. Castro 1999-6-24 6479 Tehama Along the creeklet in Long Gulch about 0.4 mi southwest of South Fork Cottonwood Creek between Cooks Flat and Story Flat. 353 Comment
  CHSC55194  Plagiobothrys austiniae L. P. Janeway 1991-4-11 3885 Tehama Battle Creek Wildlife Area. Tablelands on south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. 167 Comment
  CHSC55195  Plagiobothrys austiniae L. P. Janeway 1991-4-11 3881 Tehama Battle Creek Wildlife Area. Tablelands on south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. Edges of vernal pool. 170 Comment
  CHSC65720  Plagiobothrys austiniae Vernon H. Oswald; Lowell Ahart 1996-4-3 7282 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. (Collected along the intermittent stream just E of the dirt lane along the W side of the parcel). 103 Comment
  CHSC84519  Plagiobothrys austiniae John Dittes 2003-3-30 2003 -5 Tehama Sacramento Valley; approximately 12.5 air-miles north by northwest of Chico, ca. 1.5 air-miles east of State Hwy 99, south of Lassen Road. 71 Comment
  JEPS68016  Plagiobothrys canescens W. L. Jepson 1899-4-30 21140 Tehama Red Bluff Comment
  SEINET13752231 Image available Plagiobothrys canescens Richard R. Halse 2015-1 9326 Tehama Corning; along Short Drive just west of its intersection with Edith Ave. 80 Comment
  SEINET8685771 Image available Plagiobothrys canescens Richard R. Halse 2015-1 9326 Tehama Corning; along Short Drive just west of its intersection with Edith Ave. 80 Comment
  UCSB63982  Plagiobothrys canescens Jokerst, James 1983-4-20 Tehama Wurlitzer Ranch on Pine Creek, 1.5 mi. E of Meridian Rd., ca. 200 m. N of Pine Creek and adjacent to fenceline immediately E of ranch houses Comment
  JEPS101558  Plagiobothrys cognatus Dean W. Taylor 1997-7-24 16163 Tehama Dry Lake; Lassen National Forest 1813 Comment
  CDA15867  Plagiobothrys fulvus G. F. Hrusa, J. Hart 2000-4-8 15317 Tehama Sacramento Valley; Coyote Creek Conservation Area. Comment
  CHSC67183  Plagiobothrys fulvus James D. Jokerst 1980-4-13 577 Tehama Wurlitzer Ranch ca. 0.25 mi N of Bell Ranch. Comment
  HSC93489  Plagiobothrys fulvus G. Fred Hrusa, J. Hart 1998-5-10 14430 Tehama Coyote Creek Conservation Area: 1/4 mi. S of Coyote Creek wash, 1 mi. W of Paskenta Rd. 100 Comment
  SEINET12332652  Plagiobothrys glyptocarpus Unknown 1982-1 844 Tehama The Nature Conservancy Vina Plains Preserve 68 Comment
  CAS-BOT-BC231013  Plagiobothrys hispidulus Alice Eastwood; John Thomas Howell 1941-7-9 9812 Tehama Government Flat Comment
  JEPS113144  Plagiobothrys nothofulvus Lowell Ahart 2007-5-8 13717 Tehama On both sides of Vestal Road, about 50 yards southeast of a small stream, about 5.3 miles west of the intersection of Cannon Road and Reeds Creek Road, about 21 miles (air) west of Red Bluff 304 Comment
  RSA794947  Plagiobothrys scouleri var. hispidulus L. Ahart, John Dittes, Josephine Guardino 2009-8-27 16310 Tehama E side of Forest Service Road 29N25A, Childs Meadow, about 2600 feet S of the intersection of Highway 36 and Forest Service Road 29N25A, 2.3 air miles NE of the town of Mill Creek, 9.1 air miles S of Lassen Peak. 1494 Comment
  CHSC43931  Plagiobothrys scriptus V. Oswald; L. Ahart 1988-5-21 3333 Tehama M2 (23N01) 6.2 mi (odometer) w of Paskenta. Roadside flat. 701 Comment
  CHSC113256  Plagiobothrys stipitatus var. micranthus Lowell Ahart; John Dittes 2014-5-18 19523 Tehama Along the east side of the canal, about 100 yards south of the bridge, about 1 1/2 miles east of the end of Lyon Cattle Road, about 3 1/2 miles (air) northeast of Los Molinos. 99 Comment
  CHSC55197  Plagiobothrys stipitatus var. micranthus L. P. Janeway 1991-4-11 3880 Tehama Battle Creek Wildlife Area. Tablelands on the south side of Battle Creek, ca. 1 1/2 mi east of the Sacramento River. Edges of vernal pool. 170 Comment
  CHSC64958  Plagiobothrys stipitatus var. micranthus Vernon H. Oswald; Lowell Ahart 1995-7-12 7051 Tehama High North Coast Ranges. W of Red Bluff and S of Platina between Tedoc Gap and Stuart Gap on Forest Road 28N36, 0.8 mi W of Forest Route 45. On the bed of a snow lake. 1341 Comment
  CHSC66010  Plagiobothrys stipitatus var. micranthus Vernon H. Oswald; Lowell Ahart 1996-4-29 7505 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Along the intermittent stream ca. 0.1 mi E of the W boundary. 102 Comment
  CHSC76047  Plagiobothrys stipitatus var. micranthus G. F. Hrusa; J. Hart 1998-5-10 14407 Tehama Northern Sacramento Valley. Vernal pool on ridge approx. 1/4 mi. S of Coyote Creek wash, Coyote Creek Conservation Area, and +- 2 mi. W of Paskenta Rd. 135 Comment
  CHSC87323  Plagiobothrys stipitatus var. micranthus Lowell Ahart 2004-4-29 10783 Tehama On sides of a vernal pool, about 10 yards west of the Nomalaki Trail, about 1/2 mile northwest of Bowers Creek, about 1 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 571 Comment
  JEPS88318  Plagiobothrys stipitatus var. micranthus Vernon H. Oswald and Lowell Ahart 1996-5-6 7538 Tehama BLM parcel along Hwy 36 ne of Red Bluff (s end of Hog Lake, Cascade Range Foothills, Hog Lake Plateau); Hog Lake Plateau, Cascade Range Foothills, Hog Lake 263 Comment
  SEINET13752230 Image available Plagiobothrys stipitatus var. micranthus Richard R. Halse 2015-1 9327 Tehama Corning; along Short Drive just west of its intersection with Edith Ave. 80 Comment
  UC725380  Plagiobothrys tener var. tener A. A. Heller 1938-7-28 15292 Tehama on the Mineral-- Mt. Lassen Highway (near the junction with the old road) Comment
  UCD124446  Plantago erecta Joseph M. DiTomaso 1976-3-28 377 Tehama 1.5 miles north of Butte County Line on Highway 99. Comment
  CHSC66882  Plantago major Vernon H. Oswald 1996-9-4 8262 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Growing in moist gravel along Paynes Creek ca. 1 mi upstream from the old bridge site. 131 Comment
  UC1019540  Platanthera limosa Louise Kellogg 1952-7-15 49 Tehama near Squaw Camp and Pole Corral on Boswell Ridge directly s South Yolla Bolly Mountain; North Coast Ranges, Mendocino Natl Forest, South Yolla Bolly 2133 Comment
  CHSC43800  Platanthera sparsiflora Vernon Oswald 1983-7-26 921 Tehama Calif. Hwy 32, 1.8 mi s-w of its jct. With Calif. Hwy 36. 1402 Comment
  CHSC24926  Plectritis ciliosa R. Leverton 1974-3-12 Tehama Ca. 5 mi n of Los Molinos on Hwy 99, ca. 50 yds. se of road in dry creek bed. 76 Comment
  HSC21699  Plectritis ciliosa John L. Heywood, D. H. Norris 1968-3-31 1840 Tehama Hwy. 36, 67.74 mi. E of Shasta Co. line. Comment
  CHSC87361  Poa annua Lowell Ahart 2004-4-29 10784 Tehama Near a vernal pool, along the Nomalaki Trail, about 1/2 mile northwest of Bowers Creek, about 1 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 571 Comment
  JEPS106272  Poa annua Lowell Ahart 2004-4-29 10784 Tehama Near a vernal pool, along the Nomalaki Trail, about 1/2 mile northwest of Bowers Creek, about 1 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta 571 Comment
  HSC10639  Poa bolanderi C. R. Ball 1932-7-23 658 Tehama N Fork of Battle River, on Lassen Highway, just NE of Mineral. 1524 Comment
  JEPS70628  Poa bolanderi W. L. Jepson 1927-6-24 12335 Tehama Mineral Comment
  UCD90293  Poa bolanderi Beecher Crampton 1954-6-16 1987 Tehama Howell Saddle, open glade, 0.25 mile west of Howell camp. 1892 Comment
  CAS-BOT-BC254916  Poa bulbosa Robert Ellis 1948-5-1 s.n. Tehama Ellis Ranch, North-Central part of county Comment
  CHSC34606  Poa bulbosa Jeffrey D. Prouty 1979-4-1 230 Tehama H. Wurlitzer Ranch, ca. 10 mi n of Chico. Creekbed, Zimmershed Creek. 121 Comment
  CHSC55647  Poa pratensis K. R. Stern 1986-5-21 8312 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  RSA141234  Poa pratensis J. M. Tucker 1959-7-18 3534 Tehama South Yolla Bolly Mountain 1921 Comment
  UC149651  Poa pratensis subsp. pratensis H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4344 Tehama near Morgan (Mill Creek Canyon); Mt Lassen 1524 Comment
  UCD90319  Poa secunda A. A. Beetle 1942-5-19 3298 Tehama 10 miles W of Red Bluff. Comment
  CHSC102244  Poa secunda subsp. secunda L. P. Janeway; B. Castro 2009-4-25 9762 Tehama Cascade Range Foothills. Tehama Wildlife Area; top of ridge between Shaw Creek and Little Antelope Creek, just east of junction of Powerline Road and Cottonwood Jeep Trail. 628 Comment
  CHSC41064  Poa secunda subsp. secunda Pauleen Broyles 1982-5-6 545 Tehama The Nature Conservancy Vina Plains Preserve. Near Sheep Camp Ditch. 68 Comment
  CHSC41065  Poa secunda subsp. secunda Pauleen Broyles 1982-4-23 440 Tehama The Nature Conservancy Vina Plains Preserve. In a hogwallow ca 1 km s of Lassen Road. 70 Comment
  CHSC89014  Poa secunda subsp. secunda Pat Sater 2001-4-29 Tehama Tehama Wildlife Area. 500 yds south of Grapevine Creek Slab on Powerline Road. UTM: 10 05992930 E, 4449270 N. 621 Comment
  UCD90765  Poa secunda subsp. secunda Beecher Crampton 1953-4-29 1161 Tehama 4 miles south of Dales. Comment
  SEINET13947014 Image available Pogogyne douglasii A. A. Heller 1914-1 11334 Tehama 8 mi S of Vina near Pine Creek Comment
  CHSC64914  Pogogyne zizyphoroides Vernon H. Oswald; Lowell Ahart 1995-6-13 6867 Tehama Cascade Range Foothills. Dale Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.0 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Common on dry bed of Pool 5 of Inks Creek Rd. 213 Comment
  JEPS62472  Pogogyne zizyphoroides W. L. Jepson 1932-5-9 16357 Tehama NE of Red Bluff, 3 to 4 mi by road. 137 Comment
  UC1988940  Pogogyne zizyphoroides Robert F. Hoover 1937-5-19 2254 Tehama near Vina Comment
  JEPS127140  Polanisia dodecandra subsp. trachysperma Lowell Ahart, John Dittes 2016-8-25 21305 Tehama Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. Comment
  SEINET13190992 Image available Polanisia trachysperma Unknown 1970-6-18 Tehama From Antelope Creek, 6 mi. W. of Red Bluff Comment
  CHSC94355  Polemonium occidentale Lowell Ahart 2006-7-25 13069 Tehama East side of a large meadow with bogs, about 20 yards west of the poor trail (cow trail?), about 1/2 mile north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1540 Comment
  CHSC115538  Polygonum aviculare Lowell Ahart; John Dittes 2015-8-5 20479 Tehama On dry distributed bare soil, poor logging road, east side of Child Meadow, 15 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  CHSC77364  Polygonum aviculare L. P. Janeway; B. Castro, Jenny Marr, Caroline Warren 1999-8-11 6517 Tehama Vicinity of South Fork Cottonwood Creek. In river gravels and sand of high gravel bar. 335 Comment
  CAS-BOT-BC413951  Polygonum aviculare subsp. aviculare Alice Eastwood 1912-8-22 1802 Tehama Morgans Springs, Lassen Butte Region Comment
  CAS-BOT-BC414187  Polygonum aviculare subsp. depressum John Thomas Howell 1960-8-20 36268 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CAS-BOT-BC109125  Polygonum bidwelliae June McCaskill 1960-5-26 607 Tehama On Wright-Graham ranch, South Power House Road, 1.5 mile south of Manton. Comment
  CAS-BOT-BC109128  Polygonum bidwelliae Rimo Bacigalupi; J. R. Sweeney; G. Jr. Bacigalupi 1953-8-29 4342 Tehama Small grade along State Highway 36, above Paynes Creek Canyon, 4.5 miles E of Dales and 3.5 miles W of Paynes Creek Sta. 396 Comment
  UC1183415  Polygonum bidwelliae June McCaskill 1960-5-26 607 Tehama South Power House Road 1 1/2 mi s Manton (hills on w side of road); Wright-Graham Ranch Comment
  CHSC102447  Polygonum bolanderi L. P. Janeway 2009-6-21 9818 Tehama Cascade Range Foothills. Tehama Wildlife Area; top of ridge between Little Grapevine Creek and Antelope Creek (at mouth of Indian Creek); along East Grapevine Jeep trail 2.4 road km east of Ishi Road. 686 Comment
  JEPS117688  Polygonum bolanderi Lowell Ahart, John Dittes 2010-7-17 16868 Tehama On dry bare rocky soil, south of the fence, about 130 yards southeast of the pond, south of the Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36 819 Comment
  CHSC66576  Polygonum californicum Vernon H. Oswald; Lowell Ahart 1996-7-8 7991 .1 Tehama Hwy. 36 NE of Red Bluff near Hog Lake. Growing in gravelly soil on the edge of the dirt road leading to the quarry on the E side of Hwy. 36 ca. 0.9 mi SW of the parking lot at Hog Lake Plateau. 265 Comment
  HSC17552  Polygonum californicum Larry Berti 1968-11-22 Tehama Red Bluff, first pond past the Radar Base. Comment
  CHSC117580  Polygonum douglasii Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21362 Tehama Dry area on the west side of Highway 89, about 50 yards south of Bluff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain. 1963 Comment
  HSC82435  Polygonum douglasii Thomas W. Nelson, Jane P. Nelson, R. J. Cole 1979-7-27 5059 Tehama Along old logging rd. W side of USFS Rd. at Pole Corral Gap 1311 Comment
  CHSC59142  Polygonum polygaloides subsp. kelloggii Vernon H. Oswald 1992-7-21 5132 Tehama Dry Lake on Viola-Mineral Rd. (Forest Rt. 17, Forest Rd. 21N17), 0.5 mi S of Forest Rd. 30N16 (to Hwy. 89), ca. 3.5 mi (air) NW of Mineral. On the drying bed of the lake. 1798 Comment
  JEPS108905  Polygonum polygaloides subsp. kelloggii Lowell Ahart 2006-7-11 12950 Tehama On the high east bank of Colby Creek, about 50 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1518 Comment
  HSC75059  Polypogon interruptus J. P. Smith, Thomas W. Nelson 1978-7-22 10052 Tehama Shasta-Trinity National Forest, along the road to Handy Camp Gulch 1372 Comment
  UCD91165  Polypogon maritimus A. A. Beetle 1942-5-19 3293 Tehama 33 miles west of Red Bluff on Rt. 36. Button Canyon Experimental plot. Comment
  CHSC42323  Polypogon monspeliensis Pauleen Broyles 1982-6-2 693 Tehama The Nature Convervancy Vina Plains Preserve. 1.5 km N of jct of access road and Hwy 99. 60 Comment
  CHSC77409  Polypogon monspeliensis Heidi West; B. Castro 1999-6-1 Tehama Vicinity of Salt Creek and Newville. 201 Comment
  CHSC85305  Polystichum imbricans subsp. imbricans Lowell Ahart; John Dittes, Josephine Guardino 2003-8-23 10537 A Tehama On the east side of Road M22, about 2-3 miles south of Steuben Place, about 9-10 miles (air) southeast of Mount Linn, about 10 miles (air) northwest of Paskenta. 1524 Comment
  JEPS33238  Polystichum imbricans subsp. imbricans Joseph Grinnell 1927-5-22 Tehama above Mineral (on Viola Rd.) Comment
  CHSC90890  Polystichum munitum Niall McCarten; Roxanne Bittman 1986-6-15 5459 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid,' S side Rd. 25N29. 2011 Comment
  CHSC75403  Populus fremontii Ben Myhre 1997-3-14 10 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  CHSC64727  Populus fremontii subsp. fremontii Vernon H. Oswald; Lowell Ahart 1995-5-16 6735 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. 219 Comment
  JEPS85647  Potamogeton crispus L. R. Heckard and P. Rubtzoff 1971-7-31 2681 Tehama just ne of Red Bluff (in lagoon off the Sacramento River) Comment
  CHSC105541  Potamogeton diversifolius Lowell Ahart; John Dittes 2010-7-17 16842 Tehama In pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 812 Comment
  SEINET11663319  Potamogeton diversifolius Unknown 1982-1 521 Tehama Nature Conservancy Vina Plains Preserve 62 Comment
  CAS-BOT-BC267178  Potamogeton foliosus D. Showers 1980-7-19 DS 4380 Tehama 0.25 mile S of WIndy Point, Diamond Peak, Lassen Volcanic National Park 2072 Comment
  JEPS117686  Potamogeton natans Lowell Ahart, John Dittes 2010-7-17 16843 Tehama In pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36 812 Comment
  JEPS96617  Potamogeton natans Dean W. Taylor 1997-6-25 16099 Tehama margin of Pear Lake; Lassen National Forest 1920 Comment
  JEPS96618  Potamogeton pusillus var. pusillus Dean W. Taylor 1997-6-25 16097 Tehama margin of Pear Lake; Lassen National Forest 1920 Comment
  UC54358  Potentilla gracilis H. M. Hall and E. B. Babcock July 1-2, 1903 4358 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  CAS-BOT-BC531752  Potentilla gracilis var. fastigiata P. A. Munz 1951-7-26 16948 Tehama Square Lake, north base of South Yolla Bolly peak 2133 Comment
  RSA66370  Potentilla gracilis var. fastigiata Philip A. Munz 1951-7-26 16948 Tehama Square Lake, N base of South Yolla Bolly Peak. 2134 Comment
  CHSC46118  Potentilla millefolia L. P. Janeway; Oscar V. Janeway 1989-4-15 3217 Tehama Deer Creek Meadows; along hwy 32 ca 3/4 mi SW of jct with hwy 36/89. 1402 Comment
  CHSC48914  Poteridium annuum Vernon Oswald 1983-7-26 927 Tehama Wilson Lake, near the lake. 1615 Comment
  CHSC94098  Poteridium annuum Lowell Ahart 2006-7-11 12956 Tehama On the north edge of the dirt road, about 20 yards east of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1518 Comment
  CHSC41003  Proboscidea louisianica Pauleen Broyles 1982-7-29 819 Tehama The Nature Conservancy Vina Plains Preserve. Large vernal pool, in central pasture. 66 Comment
  JEPS62499  Prunella vulgaris var. lanceolata Jos. Grinnell 1925-7-29 Tehama Mineral Comment
  UCD125351  Prunella vulgaris var. lanceolata J. M. Tucker; L. K. Mann 1962-7-29 3634 Tehama ca. 0.75 mile north of Ovenlid, South Yolla Bolly Mountain, ca. 3 miles east of the summit. 1981 Comment
  CAS-BOT-BC163061  Prunus emarginata P. A. Munz 1951-7-26 16955 Tehama South face of South Yolla Bolly Pk. 2057 Comment
  CHSC60398  Prunus emarginata Mary Ann Showers 1992-6-26 2588 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC66087  Pseudognaphalium luteoalbum Vernon H. Oswald; Lowell Ahart 1996-5-27 7651 Tehama Northwest side of the Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On the N side of the creek ca. 0.1 mi E of the W boundary of the reserve. 105 Comment
  JEPS88098  Pseudognaphalium luteoalbum Vernon H. Oswald and Lowell Ahart 1996-5-27 7651 Tehama CDFG parcel on s side of Gyle Rd. nw Corning (n side of creek ca. 0.1 mi e of w boundary of reserve, nw side of Valley); Sacramento Valley, Thomes Creek Ecological Reserve, Thomes C 105 Comment
  JEPS88322  Pseudognaphalium stramineum Vernon H. Oswald and Lowell Ahart 1996-5-6 7513 Tehama BLM parcel along Hwy 36 ne Red Bluff; Cascade Range Foothills, Hog Lake Plateau 182 Comment
  CHSC84428  Pseudostellaria jamesiana Lowell Ahart; John Dittes, Josephine Dittes 2003-8-23 10536 Tehama Along a small streamlet, on both sides of the trail, about 1/4 mile from the campsite as one hikes to Square Lake, about 1 mile northeast of Mount Linn, South Yolla Bolly. 2118 Comment
  CHSC90405  Pseudostellaria jamesiana Niall McCarten; Roxanne Bittman 1986-6-16 5422 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. NE side Rd. 25N01. 1828 Comment
  JEPS104103  Pseudostellaria jamesiana Lowell Ahart 2003-8-23 10536 Tehama Along a small streamlet, on both sides of the trail, ca 1/4 mi from the campsite as one hikes to Square Lake, ca 1 mi ne of Mount Linn, South Yolla Bolly. 2118 Comment
  UC1001341  Pseudostellaria jamesiana Louise Kellogg 1952-7-18 88 Tehama directly south South Yolla Bolly Mountain (near Squaw Camp and Pole Corral on Boswell Ridge.); North Coast Ranges, Mendocino National Forest 2133 Comment
  UC54464  Pseudostellaria jamesiana H. M. Hall and E. B. Babcock July 1-2, 1903 4335 Tehama near Morgan (Mill Creek Canyon, Mount Lassen); Mount Lassen, Mill Creek Canyon 1554 Comment
  CHSC55189  Psilocarphus brevissimus var. brevissimus L. P. Janeway 1991-4-18 3895 Tehama Battle Creek Wildlife Area. On south side of and above Battle Creek, ca 1 1/2 mi east of the Sacramento River. 167 Comment
  JEPS16182  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi, Arthur Holmgren 1950-4-24 3131 Tehama 8 mi ne Flourney (along Paskenta Road, western Tehama County) Comment
  JEPS97394  Psilocarphus brevissimus var. brevissimus Vernon H. Oswald and L. Ahart 1995-4-17 6649 Tehama Cascade Range Foothills, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Between Dales Lake and the w boundary of the reserve 213 Comment
  SEINET7073576  Psilocarphus brevissimus var. multiflorus A. G. Vestal 1955-5-19 s.n. Tehama About 10.7 miles west-southwest of Payne Creek and 0.5 miles south on Dales on Route 36. UTM Zone 10, 576092mE, 4461114mN. Coordinate datum: NAD27. Comment
  CHSC113335  Psilocarphus oregonus Lowell Ahart 2014-5-8 19437 Tehama On the south side of the paved road to Berris Creek, about 0.4 mile east of the intersection with Black Butte Road, about 12 1/2 miles (air) southwest of Corning. 150 Comment
  CHSC40583  Psilocarphus oregonus Pauleen Broyles 1982-5-2 914 Tehama The Nature Conservancy Vina Plains Preserve. Adjacent to and irrigation ditch. 63 Comment
  CHSC64697  Psilocarphus oregonus Vernon H. Oswald; Lowell Ahart 1995-5-9 6717 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Pool 20. 213 Comment
  CHSC65913  Psilocarphus oregonus Vernon H. Oswald; Lowell Ahart 1996-4-15 7365 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On the S side of the intermittent stream ca. 0.1 mi E of the lane. 103 Comment
  JEPS105876  Psilocarphus tenellus Lowell Ahart 2004-4-29 10787 Tehama Near a vernal pool, along the Nomalaki Trail, about 1/2 mile northwest of Bowers Creek, about 1 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta 571 Comment
  CHSC79964  Psilocarphus tenellus var. globiferus B. Castro; L. P. Janeway 2000-5-11 1168 Tehama Vicinity of Orland and Black Butte Lake. 88 Comment
  CHSC79965  Psilocarphus tenellus var. globiferus L. P. Janeway 2000-5-16 6736 Tehama Vicinity of Rice Creek, west of Hwy I-5. 79 Comment
  CHSC64954  Psilocarphus tenellus var. tenellus Vernon H. Oswald; Lowell Ahart 1995-7-12 7021 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 6.3 mi S of Hwy. 36. On bank of pond and at the edge of the road. 1158 Comment
  UC1606347  Pterospora andromedea Barbara Ertter 1991-9-2 10777 Tehama Round Valley Paskenta road (Rt M4) 3.4 mi E of M2 jct at Government Flat ca. 18 airmiles W of Paskenta 1676 Comment
  CHSC64360  Pterostegia drymarioides Vernon H. Oswald; Lowell Ahart 1995-3-19 6540 Tehama Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Growing in basalt cobbles on the sw rim of the basalt ridge in the ne corner of the reserve. 225 Comment
  CHSC92802  Pterostegia drymarioides John Dittes; Josephine Guardino 2005-5-11 1111 Tehama Northern Sacramento Valley; south bank of Mill Creek; ca. 0.3 mile east of confluence with Sacramento River; gravel bar in active channel of Mill Creek. 64 Comment
  HSC70178  Pyrola aphylla Thomas W. Nelson, Jane Nelson, J. P. Smith 1978-7-22 4462 Tehama At jct. of Tedoc Rd. and road to summit of Mt. Tedoc Comment
  SDSU9899  Pyrola picta K. Dixon 1942-7-31 166 Tehama Cascade Creek. Comment
  CHSC102372  Quercus berberidifolia L. P. Janeway; B. Castro 2009-4-25 9750 Tehama Tehama Wildlife Area; along the Powerline Road near the Shaw Creek Bridge over an un-named northeastern fork of Shaw Creek. 518 Comment
  CHSC86835  Quercus berberidifolia Jenny Marr; Heidi West, Caroline Warren 1998-6-15 Tehama Vicinity of Sunflower Gulch and Red Bank Creek. 289 Comment
  UC1039825  Quercus berberidifolia O. C. Olson 1956-2-7 29 Tehama nw of Deer Creek Flat (on n rim of canyon, Quad 33C3) 609 Comment
  UCD45349  Quercus chrysolepis P. L. Johannes 1936-8-26 998 Tehama 1 1/4 miles northeast of junction of Rattlesnake and Deer Creeks. Altitude 3600 feet. 1097 Comment
  HSC68098  Quercus douglasii J. P. Smith, J. O. Sawyer 1971-5-22 4641 Tehama 39 mi. W of Mineral on State Route 36 244 Comment
  POM160991  Quercus douglasii H. M. Hall 1919-10-3 s.n. Tehama Near Red Bluff Comment
  HSC82158  Quercus durata var. durata Thomas W. Nelson, Jane P. Nelson 1979-6-25 4926 Tehama Along F.S. Rd. 45 at mile post 11, W slope of Mt. Tedoc 1372 Comment
  CHSC105498  Quercus garryana var. breweri Lowell Ahart; John Dittes 2010-7-17 16880 Tehama On dry red rocky soil, north-aspect on the south side of Soap Creek, on the north side of Ponderosa Way, about 4.5 miles (air) southeast of Manton, about 2 1/2 miles (air) north of Highway 36. 772 Comment
  JEPS94490  Quercus kelloggii Vernon Oswald and Lowell Ahart 1997-7-7 8663 Tehama near the ne corner of the Yolla Bolly Wilderness (on Forest Road 27N06 to Tomhead Saddle and Tomhead Peak, 1.7 mi sw of its junction with Forest Road 35 (28N35)); , Forest Road 27N06 1188 Comment
  CAS-BOT-BC105127  Quercus kelloggii John Thomas Howell 1960-8-21 36293 Tehama Between Morgan and Morgan Summit 1676 Comment
  SEINET10838986  Quercus vacciniifolia Mary Susan Taylor 1977-8-17 Taylor 1470 Tehama Rocky mountain peak above Chaparral; abundant on N side of Old Humboldt Road above Jonesville, ca. 3 mi E of its junction with Scotts John Road, just a few feet N of Butte County border. 1829 Comment
  CHSC102374  Quercus wislizeni var. wislizeni L. P. Janeway 2009-3-28 9675 Tehama Tehama Wildlife Area; along West Grapevine Jeep Trail 1.9 road km west of the power lines; ridge top north of Little Grapevine Creek. 503 Comment
  CHSC64543  Quercus wislizeni var. wislizeni Vernon H. Oswald; Lowell Ahart 1995-4-3 6604 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Twig from a live oak growing between Manton Rd. and the old highway just s of the roadcut on Manton Rd. at the ne corner of the reserve. 225 Comment
  JEPS97483  Quercus wislizeni var. wislizeni Vernon H. Oswald and L. Ahart 1995-4-3 6604 Tehama Cascade Range Foothills, Blue Oak Woodland, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Twig from a live oak 225 Comment
  JEPS90951  Raillardella scaposa Dean Wm. Taylor with Glenn L. Clifton 1992-8-22 13205 Tehama se slope in the head of unnamed creek draining to Spencer Meadow (near the Plumas County line, Mount Conard); Sierra Nevada, Mount Conard 2392 Comment
  UC827598  Ranunculus alismifolius var. alismifolius A. A. Heller 1938-5-21 15096 Tehama meadows s Child's Meadows 1371 Comment
  CHSC79350  Ranunculus aquatilis var. hispidulus B. Castro; L. P. Janeway 2000-4-4 1081 Tehama Vicinity of Orland, W of Highway I-5. 118 Comment
  CHSC66499  Ranunculus arvensis Vernon H. Oswald; Lowell Ahart 1996-5-20 7582 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the bank of an intermittent stream at the northeast end of the parcel. 182 Comment
  CHSC102339  Ranunculus canus L. P. Janeway 2009-4-4 9723 Tehama Cascade Range Foothills. Tehama Wildlife Area; along Cottonwood Jeep Trail 1.1 road km northwest of Powerline Road; ridge between Shaw Creek and Little Antelope Creek. 573 Comment
  CHSC77368  Ranunculus canus Heidi West; L. P. Janeway 1999-4-6 Tehama Vicinity of Salt Creek, North Fork Stony Creek, and Newville. 207 Comment
  HSC1746  Ranunculus canus Larry Berti 1969-3-21 51 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from the dam 213 Comment
  JEPS54991  Ranunculus canus Edith M. Wickes 1917-1 Tehama Red Bluff Comment
  POM268400  Ranunculus canus Lyman Benson 1929-3-26 1057 Tehama S of Red Bluff, Sacramento Valley 91 Comment
  JEPS88440  Ranunculus hebecarpus Vernon H. Oswald and Lowell Ahart 1996-3-25 7274 Tehama BLM parcel along Hwy 36 ne of Red Bluff (on s bank of Paynes Creek near end of gravel road running westward from parking lot on Hwy 36, Cascade Range Foothills); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 106 Comment
  JEPS88892  Ranunculus hebecarpus Vernon H. Oswald and Lowell Ahart 1994-4-6 6082 Tehama on shoreline near E end of Morrison-Bryant Rd.; Black Butte Lake, Burris Creek Arm 144 Comment
  CHSC66500  Ranunculus muricatus Vernon H. Oswald; Lowell Ahart 1996-5-20 7608 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. In a flood channel along Paynes Creek. 158 Comment
  CHSC79900  Ranunculus muricatus L. P. Janeway; B. Castro 2000-4-5 6657 Tehama Vicinity of Rice Creek, west of Hwy I-5. 106 Comment
  JEPS55023  Ranunculus occidentalis Joseph Grinnell 1925-6-23 Tehama Battle Creek Meadows; on drier mounds 1463 Comment
  SDSU10117  Ranunculus occidentalis K. Dixon 1942-8-4 175 Tehama Big Chico. 1128 Comment
  SJSU10626  Ranunculus occidentalis R. L. MacDonald & N. D. Addy 1962-6-30 Tehama by Hwy 36 c. 11 mi W of Mineral 914 Comment
  HSC75397  Ranunculus occidentalis J. O. Sawyer, K. A. Sawyer 1980-6-18 3561 Tehama Humboldt Trail W of Long Ridge Trail 1829 Comment
  POM284389  Ranunculus occidentalis var. ultramontanus Lyman Benson 1949-6-21 13746 Tehama Just W of Deer Creek Pass, Cascade mt. range, Sacramento Valley drainage area. 1677 Comment
  SEINET12093971  Ranunculus sceleratus Unknown 1983-1 878 Tehama 300 meters NW of barn in S pasture, T24N, R1W, SW quadrant Sect 28 62 Comment
  CAS-BOT-BC56117  Rhamnus ilicifolia Doris Kildale Gillespie 1930-5-9 9281 Tehama 12 miles west of Paynes Creek, Susanville road Comment
  CHSC46510  Rhamnus ilicifolia Peter Ahart 1977-10-2 Tehama About 8 miles east of Los Molinos, growing on dry rocky soil by large rocks. 335 Comment
  JEPS42071  Rhamnus tomentella subsp. crassifolia J. D. Coffman 1923-4-27 Tehama Paskenta, sw Tehama County Paskenta Comment
  RSA246489  Rhamnus tomentella subsp. crassifolia Carl B. Wolf 1937-9-6 9296 Tehama Inner N coast range, Paskenta Covelo road Mud Flat. 610 Comment
  CHSC65972  Rhamnus tomentella subsp. tomentella Vernon H. Oswald; Lowell Ahart 1996-4-23 7419 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along the W shore of Hog Lake. 265 Comment
  POM246520  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1937-6-13 8790 Tehama Red Bluff - Eureka Rd. 6.6 miles NW of Red Bluff 152 Comment
  RSA7861  Rhamnus tomentella subsp. tomentella Carl B. Wolf 1928-9-3 3434 Tehama 1 mile above Payne's Creek on the Red Bluff, Susanville road. 655 Comment
  CAS-BOT-BC170530  Rhus aromatica A. A. Heller 1924-5-11 13856 Tehama Along a stream west of Payne's Creek in the oak belt. Comment
  UC1130566  Rhus trilobata P. L. Johannsen 1936-8-28 81005 Tehama 1/4 mi sw of junc. Deer and Rattlesnake Creek; Lassen National Forest 1036 Comment
  CAS-BOT-BC92525  Ribes binominatum Rimo Bacigalupi; G. T. Robbins; K. Wagnon; D. Barbe 1955-7-16 5316 Tehama Eastern shoulder of South Yolla Bolly Mountain, about 1 mile east of Mount Linn summit. 2286 Comment
  JEPS94528  Ribes lobbii Vernon Oswald and Lowell Ahart 1997-6-10 8558 Tehama between Paskenta and Covelo on M2 (23N69) 0.1 mi n of its junction with the road to Wells Cabin Campground (24N02) Wells Cabin Campground; between Paskenta and Covelo on M2 1821 Comment
  RSA0021138  Ribes lobbii Alice Eastwood, J. T. Howell 1941-7-10 9878 Tehama Anthony Peak. Comment
  CAS-BOT-BC212585  Ribes montigenum John Thomas Howell 1960-8-19 36149 Tehama Brokeoff Mountain Trail 2682 Comment
  CHSC55409  Ribes nevadense Vivian L. Long 1991-4-13 13 Tehama Ca. 10 m s of Digger Creek. North-facing stream bank. 730 Comment
  JEPS98984 Image available Ribes nevadense Vernon H. Oswald 2001-5-7 10006 Tehama Forest Road 26N15 2.2 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1072 Comment
  RSA0018042  Ribes roezlii Carl B. Wolf 1937-5-17 8713 Tehama Northern Sierra Nevada. Red Bluff - Susanville Road, 3.6 mi below Mineral. 1463 Comment
  SEINET6912668  Ribes roezlii R. A. Evers, Clara V. Evers 1975-8-23 115012 Tehama 2 miles (3.2 kilometers) west of Mineral. Elevation about 4400 feet. Comment
  UCSB63966  Ribes roezlii Jokerst, James 1983-4-2 Tehama Wurlitzer Ranch on Pine Creek 1.5 mi E of Meridian Rd; S of (below) the first ridge; S of Pine Creek in area of Native American Shelters: T23N R1E center SW'/i Sect. 26 441 Comment
  JEPS13522  Ribes viscosissimum Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-16 5331 Tehama just n Mt. Linn; So. Yolla Bolly Mt. 2331 Comment
  CHSC44235  Ribes viscosissimum var. hallii Vernon Oswald 1988-6-27 3529 Tehama Trail between Ides Cove Trailhead and 25N16 along the e side of the Yolla Bolly-Middle Eel Wilderness west of Paskenta. 2133 Comment
  CHSC77548  Rigiopappus leptocladus Heidi West; Jenny Marr, Caroline Warren, Joyce Lacey-Rickert, 1998-5-19 Tehama Vicinity of upper north Fork Stony Creek and Newville Road (Garland Road). 283 Comment
  JEPS34907  Rigiopappus leptocladus W. L. Jepson 1934-5-5 16635 Tehama Beegum Beegum (w Tehama County) Comment
  UC1023461  Rigiopappus leptocladus Milo S. Baker and H. K. Wagnon 1953-5-30 12603 Tehama logging road near 6 mi post w Paskenta (w Tehama County) Comment
  JEPS94525  Rorippa curvisiliqua Vernon Oswald and Lowell Ahart 1997-6-10 8560 Tehama between Paskenta and Covelo on M2 (23N69) 0.1 mi n of its junction with the road to Wells Cabin Campground (24N02) Wells Cabin Campground; between Paskenta and Covelo on M2 1821 Comment
  CHSC115790  Rorippa curvisiliqua var. orientalis Lowell Ahart; John Dittes 2015-8-5 20457 Tehama Poor logging road east side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mt., 9.77 air-miles south of Lassen Peak. 1498 Comment
  CHSC40703  Rorippa palustris var. fernaldiana Pauleen Broyles 1983-4-16 912 Tehama The Nature Conservancy Vina Plains Preserve. Near Sheep Camp Ditch, wnw of barn in a pasture. 62 Comment
  CAS-BOT-BC146356  Rosa John Thomas Howell 1977-6-20 52364 Tehama On Deer Creek Road, west of Colby Mt. Comment
  SEINET13710614  Rosa gymnocarpa Lowell William Ahart, Lowell William Ahart 2001-1 9182 Tehama E Side Hwy 32 and SE of Jct. Rd. 390-G of Sierra Pacific Industries 4 Rd. Mi. S Road across Deer Creek (T27N, R3E, sec 36, SE 1/4) 4000 Ft. 1219 Comment
  UC1862487  Rosa pisocarpa subsp. ahartii Barbara Ertter with James R. Shevock 1992-6-14 11170 Tehama Judd Creek on Ponderosa Way 0.5 miles south of Plum Creek Road, ca 7 airmiles ESE of Paynes Creek (town) 914 Comment
  CHSC75400  Rubus armeniacus Ben Myhre 1997-4-14 21 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  CAS-BOT-BC147355  Rubus parviflorus Alice Eastwood 1912-8-22 1786 Tehama Trail from Morgans Springs to Sulphur works, Lassen Butte region Comment
  CAS-BOT-BC416369  Rumex californicus P. A. Munz 1951-7-25 16883 Tehama 1/3 mile east of Square Lake, South Yolla Bolly Mountains 2133 Comment
  CHSC105232  Rumex crispus Lowell Ahart; John Dittes 2010-7-19 16903 Tehama About 5 yards north of the poor road crossing, on the bottom of the South Fork of Battle Creek, about 3.3 miles (air) southwest of Manton, about 4.2 miles (air) north of Highway 36 and Lane Valley Road intersection. 432 Comment
  UC936219  Rumex salicifolius var. salicifolius Helen K. Sharsmith 1951-7-11 4015 Tehama 0.3 mi beyond Anthony Peak road junction (Covelo-Paskenta road, just within w boundary of Tehama County); Inner North Coast Ranges, Mendocino National Forest 1524 Comment
  CHSC72533  Rupertia hallii Ann Willyard 1998-6-17 91 Tehama Cohasset Road, about 17 miles E of intersection with Keefer Road. 1170 Comment
  CHSC92150  Rupertia hallii J. Molter 1994-6-29 770 C Tehama On ridge. 1011 Comment
  CHSC95178  Rupertia hallii R. D. Fischer 2005-9-10 849 Tehama Sierra Nevada range, off Hwy 32 between Butte Meadow turn-off and Potato Patch Campground. Follow County Road 27N08 west to one lane bridge over Deer Creek, continue to top of ridge. Plants found on ridge top above old quarry 6.8 miles from Hwy 32. 1524 Comment
  JEPS51057  Sagina apetala W. L. Jepson 1934-5-5 16629 Tehama hillside near schoolhouse Dry Creek; school on Dry Creek, w Tehama Co Comment
  JEPS87919  Sagina saginoides Barbara Ertter 1991-9-2 10764 Tehama ca. 16 airmiles e. Covelo (0.5 mi. n. of Wells Cabin Campground on ridge rd., springs at head of Burnt Creek on e. side of Anthony Peak); s.w. Tehama Co., Anthony Peak, Burnt Creek 1889 Comment
  JEPS51049  Sagina saginoides W. L. Jepson 1929-9-28 15301 Tehama n.w. slope Lassen Peak (, camp under n.w. base, head of Manzanita Creek); , Manzanita Creek 2438 Comment
  RSA530026  Sagittaria sanfordii D. W. Taylor 1991-6-14 11919 Tehama Hog Lake (West of Highway 36 ca. 3 miles S of Dales), 262 Comment
  JEPS16230  Salix Joseph Grinnell with Mary E. Grinnell 1927-5-17 Tehama Mineral 1463 Comment
  CAS-BOT-BC103348  Salix bonplandiana L. E. Smith 1913-3-26 595 Tehama Red Bluff Comment
  CAS-BOT-BC103362  Salix bonplandiana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 650 Tehama Red Bluff Comment
  CHSC108079  Salix eastwoodiae B. Castro; L. P. Janeway 2000-6-11 1286 Tehama Inner North Coast Ranges. E-facing slope below Raglin Ridge Rd, near the top of Raglin Ridge, around the lower edge of Pepperwood Spring. 896 Comment
  CHSC66207  Salix exigua Vernon H. Oswald; Lowell Ahart 1996-6-3 7687 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 103 Comment
  CHSC84262  Salix exigua Lowell Ahart; John Dittes 2003-6-11 10259 Tehama On the west side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  POM209491  Salix exigua Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 652 Tehama Payne Creek. 13 miles E of Red Bluff. Comment
  UC481996  Salix geyeriana C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 378 Tehama 1.7 km. w Mineral (S. Fork Battle Creek, s side of Hwy., s of rd. maintenance gravel dump) 1500 Comment
  CAS-BOT-BC104007  Salix gooddingii L. E. Smith 1914-5-8 669 Tehama Red Bluff Comment
  CAS-BOT-BC106895  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC106896  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CAS-BOT-BC106898  Salix jepsonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 682 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  POM209472  Salix jepsonii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-24 679 Tehama Mt Lassen Hwy. 8.9 miles from Mineral. Lassen Volcanic National Park. 2012 Comment
  SJSU265  Salix jepsonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 673 Tehama Mt Lassen Hwy 8 mi NE of Mineral 1981 Comment
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Jul 6 2009
  UC525960  Salix laevigata C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 651 Tehama Red Bluff Comment
  CAS-BOT-BC128074  Salix lasiandra var. lasiandra C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 375 Tehama South Fork of Battle Creek, 1.7 km. west of Mineral 1500 Comment
  CHSC102342  Salix lasiolepis L. P. Janeway 2009-3-28 9690 Tehama Cascade Range Foothills. Tehama Wildlife Area; around a rustic campsite at the Powerline Road ford of Little Grapevine Creek. 462 Comment
  CAS-BOT-BC124911  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124917  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 677 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  CAS-BOT-BC124921  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124930  Salix lemmonii C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 391 Tehama 15 km. northeast of Mineral; above Lassen Highway 2000 Comment
  CAS-BOT-BC124940  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  SBBG27409  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 687 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 1981 Comment
  SBBG27412  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG27427  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 1981 Comment
  SBBG57900  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SJSU266  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 683 Tehama Mt Lassen Hwy, 0.8 mi N of Sulphur Works Checking Station, Lassen Volcanic National Park 2042 Comment
  UC482006  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 3376 Tehama 1.7 km. w. Mineral (S. Fork Battle Creek); S. Fork Battle Creek 1500 Comment
  UC482327  Salix lemmonii Ball, Bracelin and Kautz 1931-5-31 392 Tehama 15 km. n.e. Mineral (on Lassen Hwy.) 2000 Comment
  UC525916  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  UC525926  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 681 Tehama 8 mi. n.e. Mineral (Mt. Lassen Hwy.) 2042 Comment
  UC525941  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 676 Tehama Mt. Lassen highway 8.9 miles from Mineral Lassen Volcanico National Park 2011 Comment
  UCR66566  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt. Lassen Hwy, 8 miles northeast of Mineral 2043 Comment
  POM219068  Salix lucida subsp. lasiandra Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 375 Tehama S Fork of Battle Creek. 1.7 km W of Mineral 1500 Comment
  CAS-BOT-BC129480  Salix melanopsis John Thomas Howell 1960-8-20 36235 Tehama Morgan - near Lassen Volcanic National Park 1463 Comment
  CHSC105210  Salix melanopsis Lowell Ahart; John Dittes 2010-7-19 16892 Tehama About 20 yards north of the poor road crossing, on the bottom of the South Fork of Battle Creek, about 3.3 miles (air) southwest of Manton, about 4.2 miles (air) north of Highway 36 and Lane Valley Road intersection. 432 Comment
  CHSC84289  Salix melanopsis Lowell Ahart; John Dittes 2003-6-11 10260 Tehama On the south side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  CHSC9687  Salix nigra E. L. Smith 1971-9-11 1059 Tehama At Singer Creek ca. 13 mi n of Chico. Comment
  UC482344  Salix scouleriana C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 404 Tehama 24 km. e. Red Bluff (flat near Paine's Creek); Paine's Creek 300 Comment
  CDA3216  Salsola tragus J. T. Howell 1960-7-24 36001 Tehama Paynes Creek Comment
  UCD99418  Salsola tragus John Thomas Howell 1960-7-24 36001 Tehama Paynes Creek. 563 Comment
  JEPS62664  Salvia columbariae Virginia Long Bailey 1938-4-16 Tehama 5 mi w Paskenta Comment
  HSC90066  Salvia sonomensis Sam Stroich, Jr., Rolf Miller, Brian Pereira 1990-3-31 6 Tehama Tedoc Rd. 1 mi. S of hwy. 36, 2 mi. E of Tehama-Shasta Co. line 610 Comment
  CHSC107103  Sambucus mexicana M. Mitchell 2010-4-29 41 Tehama Dye Creek Preserve. 117 Comment
  JEPS29546  Sambucus racemosa var. microbotrys John Thomas Howell 1961-6-20 36587 Tehama Bluff Falls; near Lassen Volcanic National Park 1981 Comment
  JEPS108898  Sanguisorba annua Lowell Ahart 2006-7-11 12956 Tehama On the north edge of the dirt road, about 20 yards east of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1518 Comment
  CHSC34493  Sanicula bipinnata J. D. Jokerst 1981-2-23 1242 Tehama S of Pine Creek ca 50 meters, 1.0 mi E of Meridian Rd., S edge of county, Wurlitzer Ranch. Comment
  CHSC79090  Sanicula bipinnata B. Castro; L. P. Janeway 2000-3-22 1038 Tehama Vicinity of Paskenta, Round Valley Rd, and Williams Butte. 356 Comment
  CHSC62639  Sanicula bipinnatifida Vernon H. Oswald; Lowell Ahart 1994-3-8 5973 Tehama Junction of Black Butte Rd. and Black Butte Rd. West, N side of Black Butte Lake. 161 Comment
  JEPS94387  Sanicula bipinnatifida Vernon H. Oswald and Lowell Ahart 1997-5-14 8413 Tehama se of the town of Paynes Creek (Plum Creek Road 0.1 mi w of Hogback Road); Plum Creek Road 969 Comment
  HSC1745  Sanicula bipinnatifida Larry Berti 1969-3-22 49 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, from the dam to 3 mi. upstream from the dam 213 Comment
  JEPS1014  Sanicula graveolens W. L. Jepson 1897-7-24 14187 Tehama South Yolla Bolly Comment
  HSC89668  Sanicula tuberosa A. Smith, A. Eller, B. Hoffman 1989-3-31 6 Tehama On Tedoc Rd. (FS 45) near intersection with Hwy. 36, about 1.5 mi. E of boundary with Shasta Co. 549 Comment
  HSC90477  Sanicula tuberosa Joe Doyle, Gayle Honeycutt, Ethan Freid 1992-3-27 26 Tehama Tedock Gap Road, 2.3 mi. from the Tehama/Shasta County border 671 Comment
  JEPS97457  Saxifraga integrifolia Vernon H. Oswald and L. Ahart 1995-2-13 6480 Tehama Dales Lake Ecological Reserve. T29N R2W NW1/4 NE1/4 Sec. 26, 740 ft, Cascade Range Foothills, W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 225 Comment
  CAS-BOT-BC283620  Schedonorus pratensis John Thomas Howell 1960-8-20 36248 Tehama Morgan 1463 Comment
  CHSC46599  Schoenoplectus acutus Vernon H. Oswald 1989-7-24 3894 Tehama Wilson Lake north of Hwy 36, ca. 8 mi (air) east of Mineral. 1606 Comment
  RSA695517  Schoenoplectus mucronatus Wm Taylor 1992-10-8 13263 Tehama Coyote Creek; ca. 5 mi S of Red Bluff, at crossing of Rawson Road. 98 Comment
  CHSC46881  Schoenoplectus subterminalis Vernon Oswald 1989-8-29 3975 Tehama Wilson Lake, ca. 9 mi (air) e of Mineral. 1604 Comment
  RSA500433  Schoenoplectus subterminalis Vernon H. Oswald 1989-05 4023 Tehama Wilson Lake, 9 airmiles E of Mineral. 1605 Comment
  UC1564774  Schoenoplectus subterminalis Vernon H. Oswald 1989-10-5 4023 Tehama ca 9 mi (air) e Mineral (Wilson Lake); , e of Mineral 1604 Comment
  UC1037407  Scirpus microcarpus Douglas Barbe 1955-7-19 222 Tehama in soggy area below Rocky Cabin Spring (western Tehama County); below Rocky Cabin Spring 1889 Comment
  UCR123526  Scirpus microcarpus George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6885 Tehama Northern Sierra Nevada Mountains, SE of Mt. Lassen; Calif. Hwy 36/89 at Gurnsey Creek, about 2 mi north of junction with Calif. Hwy 32 1448 Comment
  CAS-BOT-BC243493  Scribneria bolanderi Milo Baker; Keith Wagnon 1953-6-1 s.n. Tehama 7 miles west of Paskenta Comment
  CDA12946  Scribneria bolanderi G. F. Hrusa 1996-5-2 12910 Tehama Central Valley; near corner of Plaskenta Rd. and Ottmar Ave (Dusty Way). Comment
  JEPS97397  Scribneria bolanderi Vernon H. Oswald and L. Ahart 1995-7-12 7010 Tehama T29N R9W NE1/4 Sec. 33, 3220 ft, Inner North Coast Ranges, Chaparral, serpentine-derived soil. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 3.5 mi S of Hwy. 36 981 Comment
  UC1019896  Scribneria bolanderi H. K. Wagnon 1953-5-3 Tehama 7 mi w of Paskenta (near Logging Road, West Tehama County) Comment
  UCD92476  Scribneria bolanderi A. A. Beetle 1943-5-25 1944 Tehama near Paynes Creek, east of Red Bluff. Comment
  UCD92521  Scribneria bolanderi G. F. Hrusa 1996-5-2 12910 Tehama near corner of Plaskenta Rd. and Ottmar Ave (Dusty Way.) 110 Comment
  SEINET11689124  Scribneria bolanderi Unknown 1982-1 441 Tehama The Nature Conservancy Vina Plains Preserve, ca 1 km S of Lassen Road 70 Comment
  JEPS88358 Image available Scrophularia californica Vernon H. Oswald and Lowell Ahart 1996-4-23 7415 Tehama BLM parcel along Highway 36 NE of Red Bluff, Cascade Range Foothills. 266 Comment
  CHSC79177  Scutellaria antirrhinoides L. P. Janeway 2000-6-29 6851 Tehama High North Coast Ranges. About 1100 m east of Mt. Linn, on top of the ridge from Mt. Linn to Ides Cove Trailhead. 2300 Comment
  CHSC118392  Scutellaria antirrhinoides Tim Kask 2015-5-6 249 Tehama Antelope Creek, 'McClure Trail'. 10T 0599497/4458244 602 Comment
  RSA93059  Scutellaria antirrhinoides Milo S. Baker, H. K. Wagnon 1954-7-11 13022 Tehama 6.1 mi above Whitlock Camp. East of county road. 1829 Comment
  CHSC66491  Scutellaria californica Vernon H. Oswald; Lowell Ahart 1996-5-20 7583 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 182 Comment
  CHSC85293  Scutellaria californica John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 811 Tehama High North Coast Range; Yolla Bolly-Middle Eel Wilderness; South Yolla Bolly Mountains; north slope of eastern ridge of Mt. Linn; ca. 0.8 air-mile east of Square Lake. Downslope of trail. 2113 Comment
  SBBG6525  Scutellaria californica H. and M. Dearing 1938-6-22 2066 Tehama Potato Patch Camp, Deer Crk 1080 Comment
  UC1713623  Scutellaria californica C. Epling, Wm. Robison 1935-7-16 Tehama near Mineral Comment
  RSA66368  Scutellaria californica P. A. Munz 1951-7-27 16959 Tehama S base of S Yolla Bolly Peak. 2058 Comment
  SEINET8020865  Scutellaria californica R. Olmstead 1983-7-3 416 Tehama Along Deer Creek and Hwy 32, ca 8 miles N of Butte Meadows and 1.5 miles S of Potato Patch campground. 1012 Comment
  CHSC77593  Scutellaria siphocampyloides B. Castro; L. P. Janeway 1999-6-3 952 Tehama About 23 air miles W of Red Bluff, vicinity of Pettyjohn Rd and S. Fork Cottonwood Creek. 359 Comment
  CHSC86806  Scutellaria siphocampyloides Jenny Marr; Heidi West 1998-7-2 Tehama Vicinity of Red Bank Creek and Dry Creek. Along the creek. 274 Comment
  JEPS62875  Scutellaria siphocampyloides Jos. Grinnell 1928-6-12 Tehama Mineral 1524 Comment
  HSC63622  Scutellaria siphocampyloides J. P. Smith, J. O. Sawyer 1971-5-22 4647 Tehama 37 mi. W of Mineral on Hwy. 36 305 Comment
  SFV18537  Sedella pumila M. Oliver 2002-4-6 51 Tehama Near Hogg Lake. 300 Comment
  UCD101994  Sedella pumila James P. Smith; John Sawyer 1971-5-22 4653 Tehama 14.5 miles west of Mineral, on CA-36. Comment
  JEPS121411  Sedum spathulifolium Peter F. Zika and Julie Nelson 2011-7-5 25521 Tehama 0.6 air miles NNW of summit of Tedoc Mountain, 29N45 road Comment
  CHSC107257  Selaginella hansenii Lowell Ahart; John Dittes 2011-6-9 17460 Tehama High bank on the north side of Acorn Hollow Creek just east Dry Creek confluence, 2.1 miles (air) east of Highway 99, 3.8 miles (air) north of Vina. 75 Comment
  HSC75401  Senecio aronicoides J. O. Sawyer, K. A. Sawyer 1980-6-18 3567 Tehama Humboldt Trail E of Low Gap 1829 Comment
  JEPS75816  Senecio flaccidus var. douglasii Todd and Virginia Keeler-Wolf 1975-8-28 Tehama Crowfoot Point Yolla Bolly Mountains 609 Comment
  CAS-BOT-BC363592  Senecio fremontii var. fremontii John Thomas Howell 1960-8-19 36193 Tehama Lassen Volcanic National Park. Summit ridge, Brokeoff Mt. 2804 Comment
  JEPS37592  Senecio integerrimus var. exaltatus Joseph Grinnell 1925-6-18 Tehama Mineral 1463 Comment
  RSA789723  Senecio integerrimus var. exaltatus J. R. Shevock 1985-6-22 11243 Tehama Mendocino National Forest. Along forest road M-2 at Government Flat Campground. 1753 Comment
  CAS-BOT-BC364455  Senecio triangularis Mrs. H. C. Cantelow 1938-7-5 2418 Tehama Deer Creek Grade, s.w. Jct. 32 with 89 1280 Comment
  JEPS122019  Senecio vulgaris Lowell Ahart 2014-5-8 19446 Tehama About 1/10 mile north of the restroom and the paved road to Berris Creek, west of Berris Creek, south of Kendrick Creek, strand of Black Butte Reservoir, about 12 miles (air) southwest of Corning. Comment
  CDA34217  Setaria pumila L. Ahart, J. Dittes, J Guardino 2010-9-1 17140 Tehama On the south side of John Dittes home, about 100 yards south of Mill Creek and about 0.3 miles east of confluence with the Sacramento River, Los Molinos. Comment
  HSC101764  Setaria pumila subsp. pumila J. P. Smith 2011-9-23 13428 Tehama Roadside in agricultural fields along U.S. 99, north of its junction with 4th Avenue 79 Comment
  JEPS96008  Setaria sphacelata Vernon H. Oswald and Lowell Ahart 1996-7-8 7989 Tehama on e side of Hwy 36 ca. 0.7 mi sw of parking lot at Hog Lake Plateau (Hwy 36 ne of Red Bluff near Hog Lake, Cascade Range Foothills); Cascade Range Foothills 274 Comment
  UC204398  Sidalcea diploscypha A. A. Heller 1914-4-29 11336 Tehama near Pine Creek 8 mi s Vina; s of Vina Comment
  UC871498  Sidalcea diploscypha A. A. Heller 1914-4-29 11336 Tehama 8 mi s Vina (near Pine Creek); , s of Vina Comment
  JEPS50053  Sidalcea hartwegii W. L. Jepson 1899-4-25 14071 Tehama Stiver's Ranch Crane Creek, Rosewood, Stiver's Ranch Comment
  UC2027827  Sidalcea hartwegii Barbara Ertter with James R. Shevock 1992-6-14 11125 Tehama County line on North Fork Battle Creek at Wild Cat Road bridge, ca. 8 air miles NW of Paynes Creek (town) Comment
  UC2027828  Sidalcea hartwegii Barbara Ertter with Brad Olson 1993-5-15 11720 Tehama Buckhorn Campground at north end of Black Butte Reservoir NW of Orland Comment
  CHSC64712  Sidalcea hirsuta Vernon H. Oswald 1995-5-22 6746 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. Scattered plants and localized populations in wet soil on the e side of Dales Lake. 213 Comment
  UC1949062  Sidalcea malviflora subsp. laciniata Barbara Ertter 1991-5-18 9827 Tehama Rosewood ranch of Salt Creek ca 17 airmiles WNW of Red Bluff; ca 1/2 mi S of Hwy 36 along creek Comment
  CAS-BOT-BC205773  Sidalcea oregana P. A. Munz 1951-7-26 16907 Tehama South base of South Yolla Bolly Mts. 2072 Comment
  JEPS110316  Sidalcea oregana subsp. spicata Lowell Ahart 2006-7-25 13079 Tehama In a small meadow on the west side of the road, near Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1518 Comment
  UCR123531  Sidalcea oregana subsp. spicata George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6886 Tehama Northern Sierra Nevada Mountains, SE of Mt. Lassen; Calif. Hwy 36/89 at Gurnsey Creek, about 2 mi north of junction with Calif. Hwy 32 1448 Comment
  JEPS117347  Silene antirrhina Lowell Ahart, John Dittes 2010-7-17 16873 Tehama Near the fence, about 100 yards southeast of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36 819 Comment
  JEPS94402  Silene antirrhina Vernon H. Oswald and Lowell Ahart 1997-5-14 8458 Tehama between Mill and Deer Creeks on Ponderosa Way (Forest Road 28N29) at Moak Trailhead, on e side of the road Moak Trailhead; , Ponderosa Way 1121 Comment
  RSA93510  Silene antirrhina Milo S. Baker, H. K. Wagnon 1953-5-31 12723 Tehama Logging road west of Paskenta near 5 mi. post. Comment
  UCR52367  Silene californica Terry Hines, Ellen Purcell, N. Williams 1988-3-26 13 Tehama Hwy 36, 17.5 mi. east of County line Comment
  UC1299623  Silene campanulata subsp. campanulata Freed W. Hoffman 1949-7-19 3033 Tehama one mi w Regan Meadow Camp (western Tehama County); North Coast Ranges, w of Regan Meadow Camp Comment
  CDA24106  Silene douglasii var. douglasii L. P. Janeway 2001-7-29 7401 Tehama High Cascade Range; 4.8 km southeast of Turner Mountain, along Road 29N48 overlooking Mill Creek. Comment
  CHSC82096  Silene douglasii var. douglasii L. P. Janeway 2001-7-29 7401 Tehama High Cascade Range. 4.8 km southeast of Turner Mountain, along Road 29N48 overlooking Mill Creek. 1736 Comment
  CHSC113258  Silene gallica Lowell Ahart; John Dittes 2014-5-17 19512 Tehama On the dirt and rock piles, north of the poor dirt road, about 50 yards west of the diversion dam on Mill Creek, about 5 miles (air) northeast of Los Molinos. 124 Comment
  CHSC79016  Silene gallica J. Marr; C. Warren, J. Cunningham 1998-4-20 Tehama West of Orland, vicinity of Williams Butte, and Round Valley/Garland Rd. 289 Comment
  UC1001332  Silene grayi Louise Kellogg 1952-7-17 73 Tehama South Yolla Bolly Mountain North Coast Ranges, Mendocino NF, Middle Eel-Yolla Bolla Pri (Middle Eel-Yolla Bolla Primitive Area, Mendocino National Forest) 2438 Comment
  HSC31594  Silene laciniata subsp. californica Thomas E. Higley 1974-5-5 91 Tehama 21 mi. E of Trinity Co. Line on Hwy. 36 305 Comment
  HSC90020  Silene laciniata subsp. californica Andrew Enberg, Brad Penkala, Dan Scofield 1990-3-31 22 Tehama Hwy. 36, 5 mi. W of Road A5 244 Comment
  CHSC44201  Silene lemmonii Vernon Oswald 1988-7-12 3557 Tehama Ides Cove Loop Trail (9W04), South Yolla Bolly Mts, at Long Lake. 2148 Comment
  JEPS51032  Silene lemmonii Joseph Grinnell 1927-6-18 Tehama Mineral 1463 Comment
  CHSC64698  Silybum marianum Vernon H. Oswald 1995-5-28 6791 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. On the w edge of the old highway on the s side of the basalt ridge crossing the ne corner of the reserve. 225 Comment
  SEINET11807871  Silybum marianum Unknown 1982-1 636 Tehama Vina Plains Preserve, 0.5 km E of jct of Hwy 99 & Lassen Rd 66 Comment
  CHSC77556  Sisymbrium officinale Heidi West; Caroline Warren, Julie Cunningham 1998-4-27 Tehama Vicinity of Red Bank Creek, The Narrows, and Dry Creek. 274 Comment
  UC1001314  Smilacina racemosa Louise Kellogg 1952-7-14 40 Tehama Square Lake Trail from Ovenlid toward South Yolla Bolly Mountain; North Coast Ranges, Mendocino National Forest 1828 Comment
  JEPS104127  Smilax californica Lowell Ahart 2003-6-11 10271 Tehama On the w side of Battle Creek, ca 1 mi n of Manton Rd, ca 1 1/2 mi (air) ne of the Colman Power House, ca 5 mi (air) wsw of Darah Springs State Fish Hatchery, ca 10 mi (air) ene of Cottonwood. 153 Comment
  UC119630  Smilax californica unknown 1892-9-20 Tehama Yolo Bola Comment
  CHSC117636  Solanum americanum Lowell Ahart; John Dittes 2016-8-25 21301 Tehama Along the west edge of the Sacramento River, Anderson River Park, 0.7 mile (air) upstream from Sillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderon. Undesignated section of San Buenaventura Land Grant. 117 Comment
  NY820830  Solanum rostratum B. J. Ertter 1989-10-21 8889 Tehama S side of NW arm of Black Butte Lake W of Orland 152 Comment
  UCR78375  Solanum rostratum Barbara Ertter, Elizabeth Neese, Laura Fujii, Dawn Espindola 1989-10-21 8889 Tehama S side of NW armm of Black Butte Lake west of Orland 152 Comment
  CAS-BOT-BC58509  Solanum umbelliferum A. Eastwood; J. T. Howell 1934-4-22 1879 Tehama 4 miles W of Paynes Creek Comment
  JEPS108946  Solidago spectabilis Lowell Ahart 2006-9-9 13264 Tehama Near and in bogs, on the west side of the dirt road, about 120 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525