Search Results — 2000 specimen records retrieved (1607 records with coordinates)
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  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
  JEPS75798  Acer glabrum var. torreyi Todd and Virginia Keeler-Wolf 1975-8-10 650 Tehama 1/4 mi e Howell's Camp (Yolla Bolly Mountains); , e Howell's Camp 1905 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
  CAS-BOT-BC218688  Achnatherum lemmonii John Thomas Howell; R. C. Barneby 1954-5-14 29572 Tehama 9 miles east of Paynes Creek 1005 Comment
  SEINET245218 Image available Achnatherum lemmonii L. P. Janeway, B. Castro 2004-5-30 8128 Tehama Along road 27N08 above Lower Deer Creek Falls. 1170 Comment
  SEINET4343814 Image available Achnatherum lemmonii Unknown 1990-5-12 8934 Tehama NW side of Dry Fork Creek NW of jct of Hwy 36 and Rt A5 (Bowman Rd) ca 15 airmiles WNW of Red Bluff, on Reed property 183 Comment
  RSA719177  Achnatherum lemmonii var. lemmonii L. Ahart 2006-7-19 13014 Tehama Just east of Colby Creek near large man-made piles of soil & rock about 1.75 air mi SE of Colby Mountain, About 4.75 air mi NE of Butte Meadows 1504 Comment
  JEPS75784  Achnatherum nelsonii subsp. dorei Todd and Virginia Keeler-Wolf 1975-8-10 649 Tehama Howell's Camp Yolla Bolly Mountains, Howell's Camp 1905 Comment
  CAS-BOT-BC210879  Achnatherum occidentale subsp. californicum George W. Gillett 1957-8-18 1096 Tehama Lassen Volcanic National Park. Lower portion of Brokeoff Mtn. trail, from Sulphur Works checking station 2103 Comment
  UCD32622  Achnatherum occidentale subsp. californicum Beecher Crampton 1954-6-16 1993 Tehama Tehama County, Hawell Saddle, open glade, 0.25 mile west of Howell camp. 1892 Comment
  CAS-BOT-BC218043  Achnatherum stillmanii A. A. Heller 1928-7-12 14682 Tehama Colby Mountain along the Forest Service trail Comment
  JEPS96675  Achnatherum stillmanii Dean W. Taylor 1997-6-25 16088 Tehama ridge of south canyon wall of South Fork Battle Creek; about 2 air miles N of Highway 36 1280 Comment
  JEPS96708  Achnatherum stillmanii Dean W. Taylor 1997-6-6 16018 Tehama ridge dividing Rock Creek from Deer Creek; 3 air miles N of Cohasset 1036 Comment
  RSA700500  Achnatherum stillmanii L. P. Janeway, B. Castro 2004-5-30 8127 Tehama High Cascade Range. Moderate south-facing slopes near top of small ridge along road 27N08 above Lower Deer Creek Falls. 1170 Comment
  CHSC40513  Achyrachaena mollis Pauleen Broyles 1982-4-23 449 Tehama The Nature Conservancy Vina Plains Preserve. Just south of Lassen Road. 70 Comment
  JEPS36726  Achyrachaena mollis Virginia Bailey 1938-4-16 Tehama 6 mi w on Paskenta-Covelo road Paskenta Comment
  CAS-BOT-BC29938  Achyrachaena mollis L. E. Smith 1913-5-8 672 Tehama Red Bluff Comment
  CHSC66567  Acmispon americanus var. americanus Vernon H. Oswald 1996-7-8 7987 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Growing in gravel on the parking lot along Hwy. 36 S of Hog Lake. 265 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
  CHSC57807  Acmispon brachycarpus Vernon H. Oswald; Lowell Ahart 1992-4-21 4915 Tehama Hogsback Rd. (Belle Mill Rd. or Forest Rd. 28N24), 17.6 mi (odometer) E of Hwy. 99, 1.0 mi (odometer) E of the power transmission lines, ca. 4.75 mi (air) S of Paynes Creek. 725 Comment
  CHSC80639  Acmispon brachycarpus Lowell Ahart 2001-6-8 8772 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 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
  CHSC88950  Acmispon parviflorus A. Peterson 2003-4-19 56 Tehama Sacramento River Bend Area (BLM) off Jellys Ferry Rd, about 7 mile NNE of Red Bluff. Yana Trail--Perry Riffle trailhead. UTM: between 570200E, 4460600N and 527300E, 4461300N. Comment
  UCD104302  Acmispon parviflorus A. A. Heller 1916-4-20 12335 Tehama 3 miles north of Red Bluff. Comment
  JEPS75787  Aconitum columbianum Todd and Virginia Keeler-Wolf 1971-7-16 320 Tehama 1/4 mi. n.e. Shell Mt.; Yolla Bolly Mts. 1889 Comment
  UC1245129  Aconitum columbianum J. M. Tucker 1959-7-19 3572 Tehama n. side S. Yolla Bolly Mt. (upper (south) side of Square Lake); , Square Lake 2118 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
  UCD150451  Aconogonon davisiae William Anderson 1963-7-21 s.n. Tehama Lassen Park. 2438 Comment
  CHSC30412  Adenocaulon bicolor M. Merryman 1979-9-7 37 Tehama Potato Patch Campground, ca. 18 mi NE of Butte Meadows turnoff (Humboldt Road) on Hwy 32. 1024 Comment
  CHSC45622  Adenocaulon bicolor Vernon Oswald 1984-7-9 1566 Tehama East side of Hwy 32 at the bridge over Chico Creek. 1048 Comment
  JEPS97439  Adenostoma fasciculatum Vernon H. Oswald and Lowell Ahart 1995-7-12 6995 Tehama W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 2.5 mi S of Hwy. 36 Inner North Coast Ranges 871 Comment
  UC474226  Adiantum aleuticum H. F. Copeland 1920-7-24 Tehama tributary to Deer Creek (Rattlesnake Creek) 1000 Comment
  CAS-BOT-BC29385  Ageratina occidentalis J. T. Howell 1943-8-8 19203 Tehama Near Government Flat Comment
  RSA66409  Ageratina occidentalis P. A. Munz 1951-7-18 16639 Tehama North slope of North Yolla Bolly Peak. 1982 Comment
  CHSC46205  Agrostis avenacea Mike Foster 1983-4-1 915 Tehama The Nature Conservancy Vina Plains Preserve. Comment
  CAS-BOT-BC127395  Agrostis exarata H. F. Copeland 1920-7-24 5 Tehama Above Deer Creek. Comment
  CHSC59151  Agrostis exarata Vernon H. Oswald 1992-8-19 5165 Tehama Jeep trail passing beneath the ski lift at the top of the ski slope on the W side of Lassen Hwy., ca. 0.5 mi NW of the Southwest Entrance Station. Lassen Volcanic National Park. 2194 Comment
  JEPS100276  Agrostis idahoensis Dean W. Taylor 1992-8-22 13211 Tehama Wilson Lake Road (Forest Road 29N63), 0.7 miles East from Highway 89, Lassen National Forest 1554 Comment
  JEPS110308  Agrostis idahoensis Lowell Ahart 2006-7-19 13027 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-BC139346  Agrostis idahoensis Douglas Barbe 1955-7-17 217 Tehama At Cold Spring Camp. 1889 Comment
  JEPS100397  Agrostis microphylla Dean W. Taylor 1995-5-12 14895 Tehama 10 mi SE of Corning (South Fork Hall Creek); Sacramento Valley 140 Comment
  CHSC102633  Agrostis scabra Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16342 Tehama About 100 yards east 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
  UC766846  Aira caryophyllea R. F. Hoover 1937-5-19 2262 Tehama 4 mi s Cottonwood Comment
  CHSC84667  Allium amplectens Samantha Mackey Hillaire; Brian Elliott 2003-5-31 330 Tehama Lassen National Forest, Ishi Wilderness. North side of Ishi Wilderness at the Rancheria Creek Trailhead. Near the trailhead. 978 Comment
  SEINET7073572  Allium amplectens A. G. Vestal 1955-5-19 s.n. Tehama About 2.1 miles north of Paynes Creek Post Office. UTM Zone 10, 591541mE, 4468861mN. Coordinate datum: NAD27. 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
  JEPS61495  Allium campanulatum W. L. Jepson 1927-6-21 12267 Tehama Mineral (Battle Creek Meadow) 1524 Comment
  UCD138493  Allium campanulatum L. K. Mann; J. M. Tucker 1959-7-19 s.n. Tehama from Square Lake east toward road from Oven Lid on north side of South Yolla Bolly. Comment
  SBBG841  Allium falcifolium H. and M. Dearing 1938-6-26 2131 Tehama Battle Crk Comment
  UC1037365  Allium falcifolium Douglas Barbe 1955-7-16 167 Tehama e ridge leading to summit of South Yolla Bolly (Mt. Linn) 2286 Comment
  RSA90468  Allium falcifolium Keith Wagnon 1953-5-3 12635 Tehama W of Paskenta along logging road. Comment
  CHSC77626  Allium serra B. Castro; C. Warren, L. P. Janeway 1999-5-4 916 Tehama About 25 air miles NW of Orland, vicinity of Rocky Ridge, Williams Butte, and Garland/Round Valley Rd. 289 Comment
  UCD141864  Allium validum L. K. Mann; J. M. Tucker 1959-7-19 s.n. Tehama Square Lake on north side of south Yolla Bolly. Comment
  HSC95541  Allophyllum divaricatum L. Ahart 2001-6-8 8782 Tehama W side of Rd. M2, 9 mi. W of Paskenta 793 Comment
  UC1010399  Allophyllum divaricatum Milo S. Baker and H. K. Wagnon 1953-5-3 12660 Tehama w. Paskenta (along logging rd.) Comment
  CHSC80672  Allophyllum integrifolium Lowell Ahart 2001-6-16 8867 Tehama On west side of the dirt road, near Ike Dye Hill, about 2 miles west of Highway 32, west of Soda Springs Campground, about 3 miles (air) west of Butte Meadows. 1341 Comment
  JEPS115515  Allophyllum integrifolium Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16320 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
  RSA201360  Alnus incana subsp. tenuifolia J. T. Howell 1960-8-19 36114 Tehama Brokeoff Mountain Trail. 2287 Comment
  CHSC81350  Alnus rhombifolia Jenny Marr; Heidi West, Joyce Lacey 1998-5-21 Tehama Vicinity of South Fork Cottonwood Creek and Cooks Flat. 310 Comment
  CAS-BOT-BC138149  Alopecurus aequalis var. aequalis John Thomas Howell 1960-8-20 36223 Tehama Lassen Volcanic National Park. Morgan. 1463 Comment
  CDA30203  Alopecurus geniculatus L. Ahart, J. Dittes, J Guardino 2009-8-27 16343 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. Comment
  CHSC80112  Alopecurus saccatus B. Castro; L. P. Janeway 2000-5-11 1166 Tehama Vicinity of Orland and Black Butte Lake, on terrace next to Rice Creek. 88 Comment
  HSC102900  Alopecurus saccatus J. P. Smith 2014-5-28 13854 Tehama Hog Lake, along State Route 36 264 Comment
  HSC1659  Alopecurus saccatus Larry Berti 1969-5-9 73 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  JEPS105931  Amaranthus albus Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11211 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
  UC2031505  Amaranthus albus Barbara Ertter with Brad Olson 1991-7-5 10305 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [Stiver's Ranch], ca 15 air miles WNW of Red Bluff Comment
  CHSC88254  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
  CHSC105655  Ambrosia artemisiifolia Lowell Ahart; John Dittes 2010-10-4 17280 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
  JEPS127141  Ambrosia psilostachya Lowell Ahart, John Dittes 2016-8-25 21304 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
  CAS-BOT-BC135628  Amelanchier utahensis C. Epling; Wm. Robison 1935-7-16 s.n. Tehama Near Mineral. Comment
  CAS-BOT-BC135674  Amelanchier utahensis John Thomas Howell; Alice Eastwood 1941-7-9 9839 A Tehama Near Government Flat Comment
  JEPS45501  Amelanchier utahensis Jos. Grinnell 1925-6-15 Tehama Mineral Comment
  UCD112906  Amelanchier utahensis Dean W. Taylor 1976-7-9 6038 Tehama At headwaters of Cub Creek. 1859 Comment
  CDA34751  Ammannia coccinea L. 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 miles (air) northwest of Vina. Comment
  CHSC113024  Ammannia robusta Lowell Ahart 2013-8-2 18975 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
  JEPS124400  Ammannia robusta Lowell Ahart, John Dittes 2015-6-22 20254 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
  HSC95320  Amsinckia intermedia A. Hove, A. Poteet, C. Sanville 1999-4-17 18 Tehama Hwy. 36, Beegum Gorge 430 Comment
  SFV18506  Amsinckia menziesii A. M. Deshais 2002-4-6 25 Tehama Highway 36 at Hogg Lake. 265 Comment
  HSC1757  Amsinckia tessellata Larry Berti 1969-3-19 38 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
  JEPS105867  Anagallis arvensis Lowell Ahart 2004-4-29 10800 Tehama On E side of an unnamed lake, W of the 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 564 Comment
  CHSC87316  Ancistrocarphus filagineus Lowell Ahart 2004-4-29 10797 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
  CHSC93466  Ancistrocarphus filagineus Lowell Ahart 2006-5-5 12579 Tehama Along the Nomalaki Trail (Thomes Gorge Trail), about 1/2 mile northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 561 Comment
  RSA697277  Andropogon virginicus D. W. Taylor 1992-10-8 13264 Tehama ca. 8 miles SW of Corning Bluff; in central portion of a ca. 10000 ha. Eucalyptus plantation. 85 Comment
  JEPS105188  Andropogon virginicus var. virginicus Dean W. Taylor 1992-10-8 13264 Tehama Sourgrass Creek; ca. 8 miles SW of Corning Bluff 85 Comment
  SEINET10514030  Andropogon virginicus var. virginicus Dean W. Taylor 1992-10-8 Taylor 13264 Tehama Sourgrass Creek; ca 8 miles SW of Corning Bluff; T23N R3W Sec. 20; gravelly streambed in central portion of a ca. 10000 ha Eucalyptus plantation. 85 Comment
  CHSC79111  Androsace elongata subsp. acuta B. Castro; L. P. Janeway 2000-3-22 1037 Tehama Vicinity of Paskenta, Round Valley Rd, and Williams Butte. 310 Comment
  CAS-BOT-BC391827  Anemone drummondii George W. Gillett 1957-8-13 1070 Tehama Lassen Volcanic National Park. Brokeoff Mountain 2743 Comment
  RSA757300  Angelica arguta Barbara Ertter, James R. Shevock 1992-6-14 11167 Tehama Judd Creek on Ponderosa Way 0.5 miles south of Plum Creek Road, about 7 air miles east-southeast of Paynes Creek (town). 915 Comment
  JEPS28765  Angelica breweri George W. Gillett 1957-8-13 1061 Tehama 1 1/2 mi above Sulphur Works Checking Station (near Brokeoff Trail, Brokeoff Mountain, Lassen Volcanic National Park); Lassen Volcanic National Park, Brokeoff Mountain 2286 Comment
  CHSC42567  Angelica californica Vernon Oswald 1985-7-8 1891 Tehama Hwy 32 0.2 mi sw of Deer Creek Bridge, ca. 2 mi s of Potato Patch Campground. 993 Comment
  CAS-BOT-BC271414  Anisocarpus scabridus Clare B. Hardham 1971-8-10 18321 Tehama South Yolla Bolly Mountain 2438 Comment
  UCD149552  Antennaria dimorpha G. L. Stebbins 1972-8-18 s.n. Tehama Summit of Little Red Mountain. (Exact location unknown. Coordinates estimated by label maker.) 1493 Comment
  CHSC61760  Antennaria geyeri Vernon H. Oswald; Lowell Ahart 1993-9-2 5901 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2346 Comment
  CHSC79121  Antennaria geyeri L. P. Janeway 2000-6-29 6844 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
  JEPS13178  Antennaria geyeri Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-16 5324 Tehama slightly southeastward from the summit of Mt. Linn; So. Yolla Bolly Mt. 2377 Comment
  UC134190  Antennaria geyeri unknown 1892-9-20 Tehama Yolo Bolo Mts. Comment
  RSA123637  Antennaria geyeri G. D. Barbe 1955-7-16 188 Tehama Along the east ridge leading to the summit of South Yolla Bolly (Mt. Linn) 2378 Comment
  CHSC78789  Anthemis cotula Julie Cunningham; Heidi West, Caroline Warren 1998-7-7 Tehama Vicinity of Bell Road and Jackass Canyon. 313 Comment
  CHSC64492  Antirrhinum subcordatum J. Molter 1993-6-9 739 b Tehama Adjacent to Little Grizzly Cr. 396 Comment
  CHSC80695  Antirrhinum subcordatum Lowell Ahart 2001-6-14 8822 Tehama On the west side of road M2, about 7.5 miles west of Paskenta. 579 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
  SEINET13710164  Antirrhinum vexillocalyculatum Lowell William Ahart, Lowell William Ahart 2001-1 8789 Tehama 9 Mi. W of Paskenta (T24N, R7W, sec 34, Ctr. of West Border) 2600 Ft. 792 Comment
  CHSC43066  Aphanes occidentalis Pauleen Broyles 1986-3-1 955 Tehama In south pasture, NW of the barn, just below the W rim of the larger pool almost at the N end. Vina Plains Preserve. Comment
  CHSC44218  Aphyllon epigalium subsp. epigalium Vernon Oswald 1988-7-12 3552 Tehama Ides Cove Loop Trail (9W04), South Yolla Bolly Mts, at Long Lake. 2148 Comment
  CHSC95198  Aphyllon epigalium subsp. epigalium R. D. Fischer 2004-5-30 835 Tehama Sierra Nevada range, off Hwy 32, between Butte Meadows turn-off and Potato Patch Campground. Follow County Road 27N08 west to one lane bridge over Deer Creek. The campground there has a trail heading west with the creek. Follow that trail approx. 2 miles. 883 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
  CHSC117162  Apocynum cannabinum Lowell Ahart; John Dittes 2016-6-22 21034 Tehama About 10 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
  HSC3198  Aponogeton distachyos E. Hunt 1947-5-15 16 Tehama Comment
  UC2031486  Aquilegia formosa Barbara Ertter with Brad Olson 1991-7-4 10285 Tehama Ball Rock/Toomes Camp Road (M2) 0.6 mi N of Trough Ridge junction, 19.4 mi from Paskenta, ca 3.5 air miles S of Ball Rock ca 28 air miles W of Corning Comment
  UC465550  Aquilegia formosa W. P. Taylor 1913-8-2 Tehama 2 mi s Yolla Bolly Mt. Comment
Read comments
Jul 5 2009
  CHSC54001  Arabidopsis thaliana Vernon H. Oswald 1991-4-3 4478 Tehama Paynes Creek about 1000 ft upstream from the Sacramento River, in the Paynes Creek Recreation Area located ca. 6 mi north-northeast of Red Bluff. Along the creek. 88 Comment
  JEPS102487  Arabidopsis thaliana Vernon H. Oswald 2001-5-7 10019 Tehama Forest Road 26N15 5.2 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1079 Comment
  HSC39119  Arabis subpinnatifida Gary S. Lester, Jeff Witcosky 1973-6-30 47 Tehama Yolla Bolly Wilderness Area; at head of Bear Gulch, S-facing slope above S Fork of Cottonwood Creek 2104 Comment
  RSA482753  Arabis subpinnatifida J. P. Smith, Thomas W. Nelson 1979-6-23 10157 Tehama Yolla Bolly Quadrangle. Shasta-Trinity National Forest. Tedoc Mtn 1463 Comment
  SEINET1912954  Arceuthobium californicum R. L. Mathiasen 2010-1 1064 Tehama Mineral Summit on forest rd. 172 1595 Comment
  UCD101948  Arceuthobium campylopodum Lalit M. Srivastava 1957-10-19 14 Tehama Near junction of State Highways 36 and 89. 1828 Comment
  CAS-BOT-BC410003  Arceuthobium campylopodum Robert F. Hoover 1940-9-22 4622 Tehama Paine Creek Comment
  UC1949171  Arceuthobium campylopodum Barbara Ertter with Brad Olson 1991-7-5 10331 Tehama Raglin Ridge Rd 2.6 mi from N Fk Elder Cr crossing, ca 25 airmiles SW of Red Bluff; near Pepperwood Spr Comment
  CHSC24722  Arctostaphylos J. R. Nelson 1976-3-6 10 Tehama 10 mi W of Paskenta. 487 Comment
  CAS-BOT-BC27221  Arctostaphylos acutifolia Alice Eastwood; John Thomas Howell 1941-7-9 9718 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  NY8230  Arctostaphylos candidissima A. Eastwood 1941-7-9 9752 Tehama Log Spring Ridge between Log Spring and Government Flat. Comment
  CAS-BOT-BC23940  Arctostaphylos canescens subsp. canescens John Thomas Howell 1943-8-8 19214 Tehama Log Spring Ridge, 1.1 miles west of ranger station. Comment
  CHSC48368  Arctostaphylos canescens subsp. sonomensis Vernon Oswald 1986-4-1 1064 Tehama Rd. 23N05 0.3 mi S of Round Valley Rd. (M4). 1021 Comment
  CHSC68921  Arctostaphylos canescens subsp. sonomensis Vernon Oswald; Robin Ondricek-Fallscheer 1997-7-1 8656 Tehama Log Springs Ranger Station, Mendocino National Forest, North Coast Ranges. 1524 Comment
  UCD52175  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1966-3-17 712 Tehama East side of Forest Service Road 23N04 (Valley View access road); 6.8 miles south of junction with Forest Service Road 23N02. Comment
  CAS-BOT-BC38912  Arctostaphylos manzanita subsp. elegans Roger Raiche 1986-5-30 60206 Tehama West of Paskenta, near Eagle Peak Lookout, road to Eagle Peak, ca 1.0 mi. short of lookout. 1036 Comment
  UCD52171  Arctostaphylos manzanita subsp. elegans Roman Gankin; W. R. Hildreth 1966-3-16 705 Tehama Toomes Camp Road; 9.9 miles west of Paskenta. Comment
  UCD52172  Arctostaphylos manzanita subsp. elegans Roman Gankin; W. R. Hildreth 1966-3-16 707 Tehama On summit of Round Mountain. Comment
  JEPS38750  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1927-6-20 12260 Tehama above Payne Creek sta. (Red Bluff to Mineral) Comment
  POM131779  Arctostaphylos manzanita subsp. manzanita Elizabeth Hermann 1903-3-1 10640 Tehama Red Bluff Comment
  UC726988  Arctostaphylos mewukka A. A. Heller 1942-2-23 16379 Tehama top of grade e Paynes Creek Highway Maintenence Station Comment
  UC726990  Arctostaphylos mewukka A. A. Heller 1942-2-23 16381 Tehama top of grade e Payne's Creek Highway Maintenence Station Comment
  RSA96834  Arctostaphylos mewukka P. C. Everett, E. K. Balls, Jon E. Keeley 1954-10-16 20320 Tehama 5.7 mi. w. of Mud Flat Forest Service camp, road from Pasdenta to Covelo. 1616 Comment
  CAS-BOT-BC39954  Arctostaphylos nevadensis H. P. Bracelin 1931-5-30 387 Tehama Mt. Lassen, above Mineral 2438 Comment
  UCD52660  Arctostaphylos nevadensis Roger Raiche 1985-7-27 RR 50677 Tehama Log Springs Road; near intersection with road to Sugar Spring Campground-Government Flat; near marker 35.68. 682 Comment
  CAS-BOT-BC44484  Arctostaphylos patula Alice Eastwood; John Thomas Howell 1934-4-22 1874 Tehama 1 mile w. of Payne's Creek 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
  UC1039826  Arctostaphylos viscida subsp. viscida O. C. Olson 1956-1-24 27 Tehama one half mi e Townsend; Quad 32 B-4, Hooker Creek 182 Comment
  HSC94221  Arenaria serpyllifolia var. serpyllifolia D. Haskamp, E. Sonnenblick, M. Taft 1995-4-22 26 Tehama On Hwy. 36, 16 mi. E of Basin Gulch Campground, N side of Hwy. 457 Comment
  UCD39892  Aristida oligantha W. A. Williams 1955-10-29 s.n. Tehama 12 miles west of Corning. Comment
  CDA31426  Aristida oligantha S. T. Ancell 1958-8-27 1164 -58 Tehama Highway #36, 10 mi of NE of Red Bluff, R. E. Marion Prop., Paynes Creek 0 Comment
Read comments
Jan 4 2012
  SEINET11688651  Aristida oligantha Unknown 1982-1 791 Tehama The Nature Conservancy Vina Plains Preserve, along Lassen Rd Comment
  CHSC107085  Aristolochia californica M. Mitchell 2010-2-25 49 Tehama Dye Creek Preserve. 94 Comment
  HSC3261  Aristolochia californica L. T. Gault 1964-3-26 31 Tehama 1/2 mi. W of Los Molinos to Sac. River. Comment
  HSC48276  Aristolochia californica J. O. Sawyer, Jane Cole 1979-3-11 3329 Tehama Woodson Bridge State Recreation Area, Hwy. A-9, Sacramento river flood plain 61 Comment
  JEPS97459  Aristolochia californica Vernon H. Oswald 1995-3-1 6498 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills, 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, bordering the w edge of Manton Rd. just s of the borrow pit. 219 Comment
  JEPS111004  Arnica dealbata Bruce G. Baldwin with Susan J. Bainbridge, Michael J. Sanderson 1996-7-20 920 Tehama Cascade Range, along Mineral-Viola Road, 6.2 miles north of California State Highway 36, ca. 30 feet west of road, opposite Cry Lake. 1805 Comment
  CHSC45630  Arnica longifolia Vernon H. Oswald 1986-8-4 2263 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2133 Comment
  CHSC66871  Artemisia douglasiana Vernon H. Oswald; Lowell Ahart 1996-9-4 8259 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 131 Comment
  CHSC77529  Artemisia douglasiana Heidi West; Natalie Wight 1998-8-21 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 268 Comment
  JEPS88385  Artemisia douglasiana Vernon H. Oswald and Lowell Ahart 1996-9-4 8259 Tehama BLM parcel along Hwy 36 ne Red Bluff (on flood plain of creek ca. 1 mi upstream from old bridge site); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 131 Comment
  SEINET4535581  Artemisia ludoviciana Leila M. Shultz 1990-5-3 11325 Tehama North Coast Ranges, Mendocino Forest Comment
  CHSC64860  Asclepias eriocarpa Vernon H. Oswald 1995-6-30 6948 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2.0 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. 201 Comment
  SBBG5707  Asclepias eriocarpa H. and M. Dearing 1939-7-3 3813 Tehama Battle Crk near Mineral Comment
  CHSC21255  Asclepias fascicularis M. S. Taylor 1975-10-22 964 Tehama Vina Plains, ca. 16 mi n of Chico. Comment
  CHSC32798  Asclepias solanoana James Jokerst 1980-6-18 891 Tehama North Coast Ranges. Near Mud Creek. 852 Comment
  CHSC64939  Asclepias solanoana Vernon H. Oswald; Lowell Ahart 1995-7-12 7048 Tehama High North Coast Ranges, W of Red Bluff and S of Platina on Forest Road 28N05, 0.3 mi S of Forest Road 28N60 (to the summit of Tedoc Mtn.). 1456 Comment
  CHSC77296  Asclepias speciosa L. P. Janeway; B. Castro 1999-6-14 6463 Tehama Along south side South Fork Cottonwood Creek. 310 Comment
  CHSC56264  Asplenium septentrionale Beth Corbin 1991-10-4 659 Tehama North side of Christie Hill, ca. 4 mi ENE of Mineral. Lassen National Forest, Susanville. 1950 Comment
  CHSC105911  Aster brickellioides B. Castro; L. P. Janeway 1999-8-24 1034 P Tehama High North Coast Ranges. Yolla-Bolly Wilderness, ca 0.6 mi ENE of Buck Rock, along USFS Route M2, just upslope from Irish Glade. 1828 Comment
  CDA36055  Aster occidentalis CDFA Staff 2002-9-18 Tehama Mill Creek; Along Highway 36 near St. Bernard Lodge. 0 Comment
  CAS-BOT-BC177279  Astragalus accidens var. hendersonii R. C. Barneby; J. T. Howell 1954-5-14 11486 Tehama Payne's Creek 548 Comment
  CHSC53950  Astragalus accidens var. hendersonii Vernon H. Oswald 1991-4-30 4537 Tehama Hwy 36, 0.9 miles west of Paynes Creek, at the power transmission lines. 557 Comment
  CHSC54100  Astragalus accidens var. hendersonii Vernon H. Oswald 1991-5-20 4597 Tehama Hwy 36, 0.9 mile west of Paynes Creek, at the power transmission lines. 557 Comment
  UC1142473  Astragalus accidens var. hendersonii R. C. Barneby, J. T. Howell 1954-5-14 11486 Tehama Paynes Creek 548 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
  CHSC53952  Astragalus gambelianus Vernon H. Oswald; Lowell Ahart 1991-4-16 4494 Tehama Lowrey Rd, 1.4 mi southwest of the South Fork of Elder Creek, north of Paskenta. 335 Comment
  CHSC57804  Astragalus gambelianus Vernon H. Oswald; Lowell Ahart 1992-4-21 4916 Tehama Hogsback Rd. (Belle Mill Rd. or Forest Rd. 28N24), 17.6 mi (odometer) E of Hwy. 99, 1.0 mi (odometer) E of the power transmission lines, ca. 4.75 mi (air) S of Paynes Creek. 725 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
  UC511473  Astragalus gambelianus D. K. Gillespie 1930-5-9 9297 Tehama on Susanville Road 18 mi w Mineral; w of Mineral Comment
  CAS-BOT-BC192808  Astragalus pauperculus Alice Eastwood; John Thomas Howell 1934-4-22 1883 Tehama 5 miles east of Red Bluff Comment
  CHSC102356  Astragalus pauperculus L. P. Janeway 2009-3-28 9651 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
  CHSC63965  Astragalus pauperculus B. Castro; L. Hanson, B. Corbin, L. Janeway, L. Gehrung 1994-4-11 506 Tehama In the Ishi Wilderness, Lassen NF, ca 1 mi NW of lookout at N end of Cohasset Ridge, on trail paralleling Wildcat Ck to Graham Pinery. 914 Comment
  CHSC95200  Astragalus pauperculus R. D. Fischer 2005-5-30 789 Tehama Sierra Nevada Mountains, off county road 27N08 ca. 6 miles east of Hwy 32, between Butte Meadows turn-off and Potato Patch Campground. UTM: 10617744E, 4447073E. 880 Comment
  HSC85814  Astragalus pauperculus Sandy Floyd, T'ai Roulston, Tom Munton 1987-3-28 53 Tehama Hwy. 36, mi. marker 65, 24 mi. E of Red Bluff Comment
  JEPS86516  Astragalus pauperculus Roy E. Buck, Glenn L. Clifton 1990-4-3 1487 Tehama 8 aim km ne Red Bluff (just s of Little Salt Creek, on plain ca 3.1 air km n of Little Salt Creek-Salt Creek confluence, vicinity of gas pipeline); n of Little Salt Creek-Salt Creek confl, ne of Red Bluff 102 Comment
  JEPS95687  Astragalus pauperculus Vernon H. Oswald and L. Ahart 1995-4-10 6626 Tehama ca. 1 mi n of Dales Station; Dales Lake Reserve; T29N R2W NW1/4 NW1/4 Sec. 35, 700 ft, 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 213 Comment
  RSA718038  Astragalus pauperculus R. D. Fischer 2005-5-30 0789 Tehama Sierra Nevada Mountains. Off County Road 27N08 ca. 6 miles east of Hwy. 32, between Butte Meadows turn-off and Potato Patch Campground. 881 Comment
  RSA0006842  Astragalus pauperculus R. C. Barneby 1954-5-15 11491 Tehama 2.5 miles E of Paynes Creek. 625 Comment
  CHSC76755  Astragalus rattanii var. jepsonianus J. Marr; C. Warren 1999-4-28 Tehama About 18 air miles W of Red Bluff, vicinity of Red Bank Creek. 274 Comment
  CHSC64972  Astragalus whitneyi var. siskiyouensis Vernon H. Oswald; Lowell Ahart 1995-7-12 7036 Tehama High North Coast Ranges. W of Red Bluff and S of Plantina on the summit of Tedoc Mtn. (end of Forest Road 28N60). 1615 Comment
  HSC71884  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1980-6-22 5852 Tehama Shasta-Trinity National Forest, summit of Mt. Tedoc 1585 Comment
  JEPS81112  Astragalus whitneyi var. siskiyouensis J. P. Smith and T. W. Nelson 1978-7-22 10022 Tehama Tedoc Mtn. Yolla Bolly Quad., , Tedoc Mtn (Shasta-Trinity National Forest) 1613 Comment
  CAS-BOT-BC199141  Astragalus whitneyi var. siskiyouensis Freed W. Hoffman 1949-7-21 3050 Tehama Summit of Mt. Tedoc, western Tehama County. Comment
  CHSC9740  Asyneuma prenanthoides Nancy Mosman 1971-7-17 121 Tehama Found at bottom of slope 2 ft e of Hwy 32 ca. 19.6 mi s of Chester. 1066 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
  CHSC117581  Athyrium filix-femina var. cyclosorum Lowell Ahart; John Dittes, Josephine Guardino 2016-9-21 21359 Tehama Wet area west 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
  JEPS94503  Athysanus pusillus Vernon Oswald and Lowell Ahart 1997-7-7 8666 Tehama 0.5 mi n of Tomhead Saddle (near the ne corner of Yolla Bolly Wilderness on Forest Road 27N06); Yolla Bolly Wilderness, Forest Road 27N06 1676 Comment
  CHSC4062  Azolla filiculoides J. Wheeler 1967-4-23 10 Tehama On the w side of Paskenta Road. 91 Comment
  CHSC78595  Baccharis salicifolia J. Marr; N. Wight 1998-4-9 Tehama West of Red Bluff, vicinity of Red Bank Creek and Sunflower Gulch. 280 Comment
  CHSC105913  Balsamorhiza deltoidea B. Castro; L. P. Janeway 1999-8-24 1034 R Tehama High North Coast Ranges. Yolla-Bolly Wilderness, ca 0.6 mi ENE of Buck Rock, along USFS Route M2, just upslope from Irish Glade. 1828 Comment
  UC2013013  Balsamorhiza macrolepis Barbara Ertter 1991-5-18 9858 Tehama Rosewood Ranch on Salt Creek ca 17 air miles WNW of Red Bluff, ca 1/2 mi S of Highway 36 along creek; NE-facing slope above steep draw. Comment
  CHSC90667  Balsamorhiza sagittata D. Isle 1996-7-17 1028 Tehama Mendocino National Forest--North Coast Ranges. Elder Creek Watershed. Road 25N17, NE of Cold Spring and Cold Spring Station. 100 yards east of Ball Rock. 2011 Comment
  CAS-BOT-BC16358  Barbarea orthoceras John Thomas Howell 1960-8-20 36225 Tehama Near Lassen Volcanic National Park. Morgan. 1463 Comment
  CAS-BOT-BC16369  Barbarea orthoceras Douglas Barbe 1955-7-22 252 Tehama West Tehama County. Just east of Long Lake. North slope of South Yolla Bolly. (Mount Linn). 2133 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
  JEPS88438  Barbarea verna Vernon H. Oswald, Lowell Ahart, and Joe Molter 1996-3-25 7264 Tehama Paynes Creek Cascade Range Foothills, Hog Lake Plateau (BLM parcel along Hwy 36, ne of Red Bluff, gravel bar in Paynes Creek, ne corner of Hog Lake Plateau) 152 Comment
  CAS-BOT-BC75957  Berberis pumila Alice Eastwood; John Thomas Howell 1941-7-9 9727 Tehama Log Spring Ridge between Log Spring and Government Flat. Comment
  UCD129578  Bidens frondosa Walter Russell 1947-7-14 180 Tehama Red Bluff. Comment
  CAS-BOT-BC100291  Blennosperma nanum var. nanum K. L. Chambers 1978-3-19 4421 Tehama Old Highway 99W, between Orland and Corning, 1.3 miles north of Road 7 (connector to Interstate Hwy. 5) Comment
  UCD114360  Boechera breweri Robert E. Preston 1986-4-25 535 Tehama ca. 10 km sw of Paskenta, on Round Valley Rd, ca. 1 km e of Bennett Cr. 702 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
  CHSC61412  Boechera retrofracta Vernon H. Oswald; Lowell Ahart 1993-8-18 5820 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2353 Comment
Read comments
Aug 9 2008
  CHSC64959  Boechera subpinnatifida Vernon H. Oswald; Lowell Ahart 1995-7-12 7029 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-BC25932  Boechera suffrutescens John Thomas Howell 1960-8-19 36145 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2590 Comment
  RSA107441  Boisduvalia cleistogama L. S. Rose 1955-6-12 55066 Tehama Hog wallow depressions on low rolling plains, 8.5 miles S of Corning. 91 Comment
  SEINET12194729  Boisduvalia densiflora Unknown 1982-1 808 Tehama The Nature Conservancy Vina Plains Preserve, T24N,41W, sw quadrant section 22 66 Comment
  RSA182041  Boisduvalia glabella W. L. Jepson 1927-6-25 12350 Tehama Pine Creek road station 61 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
  CHSC82520  Botrychium simplex Lowell Ahart 2002-6-29 9798 Tehama On the south side of a partly fallen lodgepole pine, in the north part of a large 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. 1574 Comment
  CAS-BOT-BC106308  Brickellia californica Alice Eastwood 1912-8-22 1930 Tehama Payne Creek, Lassen Butte Region Comment
  CDA34749  Brickellia californica L. Ahart, John Dittes 2010-10-4 17293 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 miles (air) northwest of Vina. Comment
  SBBG125742  Brickellia californica L. Ahart with J. Dittes 2010-10-4 17293 Tehama Toomes Crk at Tehama-Vina Rd crossing, 1,2 mi E of the Sacramento River, 3 mi NW of Vina 57 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
  SEINET10474488  Brickellia grandiflora Mary Susan Taylor 1977-8-17 Taylor 1476 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
  RSA201257  Brickellia greenei J. T. Howell 1960-8-23 s.n. Tehama Lassen Loop south of Diamond Peak 2195 Comment
  CHSC27801  Briza minor Catherine Corr 1978-4-18 16 Tehama Ca. 15 mi n of Chico on Hwy 99 at Haille Rd ca. 1/4 mi w of jct. 67 Comment
  CHSC41036  Briza minor Pauleen Broyles 1982-4-20 432 Tehama Just s of Lassen Road. The Nature Conservancy Vina Plains Preserve. 70 Comment
  CHSC43050  Brodiaea californica Pauleen Broyles 1986-4-9 963 Tehama At Lassen Road in nw corner of the Nature Conservancy Vina Plains Preserve. 66 Comment
  UC768740  Brodiaea californica var. californica R. F. Hoover 1936-5-21 1181 Tehama 4 mi s Cottonwood Comment
  RSA114083  Brodiaea californica var. californica Rimo C. Bacigalupi, Lincoln Constance, Reid V. Moran, R. D. Rodriguez, Sherwin Carlquist 1951-6-12 3366 Tehama Along State Hwy 36, 14 miles W of its junction with US Hwy 99 (just N of Red Bluff Jct). 244 Comment
  RSA183019  Brodiaea californica var. californica Lee W. Lenz 1966-5-24 24648 Tehama 16.5 mi W of Red Bluff on state 36. Comment
  JEPS102783  Brodiaea coronaria subsp. coronaria Lowell Ahart 2001-6-8 8796 Tehama On the east side of road M2, about 9 miles west of Paskenta. 762 Comment
  UC1950250  Brodiaea elegans Barbara Ertter 1991-5-19 9885 Tehama Vina Plains ca 13 airmiles due E of Corning, on Lassen Road 3.8 mi from Hwy 99 Comment
  CHSC64733  Brodiaea elegans subsp. elegans Vernon H. Oswald 1995-5-22 6752 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. 219 Comment
  CAS-BOT-BC484281  Brodiaea elegans subsp. elegans R. F. Hoover 1965-5-29 9411 Tehama Dribble Creek near 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
  JEPS108185  Brodiaea minor David Gowen 2005-6-24 448 Tehama Roadside on Hwy 36 W. of Red Bluff. Between mile post 26 and 27 (mileage from Shasta Co. line near Beegum). Comment
  JEPS108203  Brodiaea minor David Gowen 2005-6-25 470 Tehama HWY 36 at Bossley Rd. near mile post 27 east from Shasta Co. North of driveways with mailboxes. Comment
  UCD32606  Bromus carinatus Beecher Crampton 1954-6-16 1969 Tehama Tehama County, Mendocino National Forest, along main logging road of Crane Mills Inc. 1438 Comment
  UCR152063  Bromus carinatus Beecher Crampton 1954-6-16 1969 Tehama Mendocino National Forest., Along the main logging road of Crane Mills, Inc., 0.5 miles northwest of Whiskey Saddle 1439 Comment
  JEPS88304  Bromus commutatus Vernon H. Oswald and Lowell Ahart 1996-5-20 7606 Tehama ne of Red Bluff (Cascade Range Foothills, Hog Lake Plateau, BLM parcel along Hwy 36, along Paynes Creek); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 158 Comment
  JEPS97396  Bromus commutatus Vernon H. Oswald and L. Ahart 1995-7-12 7009 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
  CAS-BOT-BC155978  Bromus diandrus A. A. Heller 1916-4-20 12337 Tehama 3 miles north of Red Bluff. Comment
  HSC31979  Bromus diandrus Donald Spalinger 1974-5-5 50 Tehama 21 mi. E of Trinity Co. line on Hwy. 36 Comment
  SEINET10517943  Bromus diandrus Pauleen Broyles 1986-4-18 Broyles 951 Tehama Associates: Hordeum geniculatum, Elymus caputmedusae, Bromus mollis. Comment
  CHSC88848  Bromus hordeaceus A. Peterson 2003-4-19 45 Tehama Sacramento River Bend Area (BLM) off Jellys Ferry Rd, about 7 mile NNE of Red Bluff. Yana Trail--Perry Riffle trailhead. UTM: between 570200E, 4460600N and 527300E, 4461300N. Comment
  JEPS113242  Bromus hordeaceus Lowell Ahart 2007-5-8 13748 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
  JEPS88303  Bromus hordeaceus Vernon H. Oswald and Lowell Ahart 1996-5-20 7600 Tehama ne of Red Bluff (BLM parcel along Hwy 36, along Paynes Creek, Cascade Range Foothills, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 158 Comment
  SEINET14410097  Bromus hordeaceus J. R. Reeder, C. G. Reeder 1981-5-20 7354 Tehama ca 6.5 km SW of Dales. 240 Comment
  RSA758295  Bromus inermis Barbara Ertter, Brad Olson 1991-7-6 10351 Tehama Rocky Cabin meadow ca 1 mile south of Ball Rock, 1 mile southeast of Cold Spring Forest Station, ca 30 air miles west of Corning. 1890 Comment
  CHSC66123  Bromus madritensis subsp. rubens Vernon H. Oswald; Lowell Ahart 1996-4-29 7501 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd., NW of Corning. Collected on the meander plain of the intermittent stream ca. 0.3 mi E of the W boundary. 102 Comment
  CHSC88301  Bromus orcuttianus Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11221 Tehama On the south side of Ponderosa Way (Forest Road 28N29), about 1 mile southeast of the Black Rock, about 1 mile (air) southeast of the Black Rock Campground and the bridge across Mill Creek, about 27 miles (air) east of Red Bluff. 696 Comment
  UC523872  Bromus orcuttianus C. R. Ball 1932-7-23 655 Tehama 21 mi w of Mineral (Paine's Creek); Paine's Creek Comment
  JEPS106318  Bromus pseudolaevipes Lowell Ahart 2004-6-11 11049 Tehama On the south side of the Nomalaki Trail, about 1/4 mile southeast of Bowers Creek, about 1/2 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta 550 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
  CHSC66137  Bromus sterilis Vernon H. Oswald; Lowell Ahart 1996-5-6 7523 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On a flood channel along Paynes Creek at this location. 124 Comment
  CAS-BOT-BC161570  Bromus suksdorfii George W. Gillett 1957-8-18 1105 Tehama Lassen Volcanic National Park. Lower portion of Brokeoff Mountain trail, from Sulphur Works checking station up 0.25 mile to stream crossing. near extensive talus formation. 2103 Comment
  UCD60247  Bromus vulgaris R. Tofsrud 1947-7-1 248 a Tehama Hwy. 32, 15 mi. S of junction with Hwys. 36 and 89. Comment
  JEPS101103  Bulbostylis capillaris Dean W. Taylor 1997-6-18 16080 Tehama Sand Spring Canyon headwaters (about 10 air miles East of Manton) 960 Comment
  UC1037410  Cacaliopsis nardosmia Douglas Barbe 1955-7-17 204 Tehama along the road to Oven Lid at the sign Sommerset 3/4, w Tehama Co 1889 Comment
  JEPS97470  Calandrinia ciliata Vernon H. Oswald and L. Ahart 1995-3-6 6520 Tehama Dales Lake Ecological Reserve. T29N R2W NW1/4 NW1/4 Sec. 35, 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
  CAS-BOT-BC438336  Calandrinia ciliata L. E. Smith 1915-4-25 s.n. Tehama Red Bluff Comment
  UCD123499  Callitriche fassettii Richard Yeo 1970-2-5 s.n. Tehama Corning Canal, 1 1/4 miles downstream from pumping plant, in vicinity of Red Bluff. Comment
  CHSC55205  Callitriche heterophylla L. P. Janeway 1991-4-11 3884 Tehama Battle Creek Wildlife Area. Tablelands on south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. At edge of vernal pool. 170 Comment
  CHSC40705  Callitriche heterophylla var. bolanderi Pauleen Broyles 1982-5-12 586 Tehama The Nature Conservancy Vina Plains Preserve. At the margin of an irrigation ditch (Sheep Camp). 66 Comment
  CHSC50105  Callitriche heterophylla var. bolanderi Vernon Oswald 1990-4-23 4164 Tehama Vina Plains Preserve, in Sheep Camp Ditch near Lassen Rd. 70 Comment
  CAS-BOT-BC85756  Calocedrus decurrens John Thomas Howell 1960-8-20 36205 Tehama Near Lassen Volcanic National Park, Morgan 1463 Comment
  HSC74846  Calocedrus decurrens J. P. Smith, Thomas W. Nelson 1978-7-22 10034 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  JEPS61634  Calochortus amabilis W. L. Jepson 1899-4-25 Tehama Stivers' Ranch Crane Creek Comment
  CAS-BOT-BC487764  Calochortus amabilis A. Burgard; J. Goldsmith; J. Kalt 1996-4-20 47 Tehama Along Hwy. 36, 25 miles southeast of Shasta/Tehama border 198 Comment
  CAS-BOT-BC488621  Calochortus elegans var. nanus Alice Eastwood; John Thomas Howell 1941-7-9 9790 Tehama Government Flat Comment
  CHSC67720  Calochortus leichtlinii James D. Jokerst 1979-7-4 292 Tehama S of Mineral on F. S. Trail 3E12 to Turner Mtn., 1.0 mi from trailhead. Comment
  RSA722488  Calochortus luteus R. R. Halse 1989-5-7 3820 Tehama Along Black Butte Road 7.1 miles southwest of its junction with State Highway A9 (Corning Road) or 1.8 miles north of its junction with Newville Road 150 Comment
  SJSU5823  Calochortus monophyllus D. L. Wilson 1970-3-28 Tehama 1 mi SW of confluence of N&S Forks of Antelope Cr c. 18 mi E of Red Bluff 402 Comment
  CHSC67730  Calochortus nudus James D. Jokerst 1979-7-4 279 Tehama S of Mineral on F. S. Trail 3E12 to Turner Mtn., 1.0 mi from trailhead. Comment
  CAS-BOT-BC483500  Calochortus splendens Geo. B. Grant 1901-6-15 s.n. Tehama Mill Creek Canyon near Skinner Comment
  CSUSB882  Calochortus superbus William Horn Jr. 1967-5-28 670528 5 Tehama Highway 36, 20 miles west of Red Bluff. Comment
  SEINET8253673  Calochortus tolmiei Frank Callahan 1995-5-21 Tehama Colyear Springs Rd. to Ball Rock Rd. 495 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
  CHSC66182  Calycadenia ciliosa Vernon H. Oswald; Lowell Ahart 1996-6-3 7686 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 240 Comment
  JEPS127133  Calycadenia ciliosa Lowell Ahart, John Dittes 2016-8-25 21292 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
  CHSC108619  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. 148 Comment
  CHSC66039  Calycadenia fremontii Vernon H. Oswald; Lowell Ahart 1996-5-6 7535 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. On the S side of the gravel road 1.4 mi W of the parking lot on Hwy. 36 (0.4 mi W of the power line crossing the gravel road). 249 Comment
  CHSC77721  Calycadenia fremontii B. Castro; L. P. Janeway, C. Warren 1999-6-8 962 Tehama About 20 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek and Cracker Canyon. 347 Comment
  JEPS100398  Calycadenia fremontii Dean W. Taylor 1995-5-9 14894 Tehama ca. 10 miles SE of Corning, South Fork Hall Creek 140 Comment
  CAS-BOT-BC270863  Calycadenia pauciflora Rimo Bacigalupi; et al. 1955-7-17 5356 Tehama 11.3 miles (by road) NW of Paskenta 1097 Comment
  JEPS101296  Calycadenia pauciflora Dean W. Taylor 1997-5-29 16000 Tehama Toomes Camp Road (Forest Road M2) about 7 road miles West from Paskenta, in vicinity of Beehive Flat Comment
  CAS-BOT-BC270860  Calycadenia pauciflora Gerald D. Carr 1978-7-6 2116 Tehama 4.6 miles W of Highway CR A5 (Bowman Road) on Highway 36, ca. 1 mile NW of Rosewood 214 Comment
  RSA255561  Calycadenia pauciflora Gerald D. Carr 1973-6-23 740 Tehama 1.4 miles NE of Glenn County line on West Black Butte Road 213 Comment
  RSA789278  Calycadenia pauciflora R. L. Carr 1978-7-6 2109 Tehama 0.1 miles south of Highway 36 on Tedoc Road, 2 miles southeast of Beegum (Shasta Co. line). 549 Comment
  RSA93399  Calycadenia pauciflora Milo S. Baker, H. K. Wagnon 1953-7-12 12908 Tehama Logging road west of Paskenta, between mile posts 7 and 8. 457 Comment
  UC1876253  Calycadenia pauciflora Gerald D. Carr 1973-7-2 747 Tehama 1.5 mi S of Vestal Rd. on Weemasoul Rd. 381 Comment
  UC1876257  Calycadenia pauciflora Gerald D. Carr 1971-8-19 646 Tehama 7.1 mi NW of Paskenta on Toomes Camp Rd. 685 Comment
  UC1971722  Calycadenia pauciflora 1978-7-6 2109 Tehama 0.1 mi S of Hwy 36 on Tedoc Road, 2 mi SE of Beegum (Shasta Co. line) 549 Comment
  UCD129851  Calycadenia pauciflora Gerald D. Carr 1973-6-16 737 Tehama 4.6 miles west of Highway A5 on Highway 36, top of road cut. 167 Comment
  UCD129865  Calycadenia pauciflora R. L. Carr 1978-7-6 2112 Tehama Long Gulch Camp along US Highway 36 (Beegum Road), around 0.5 mile southeast of Tedoc Road junction, around 40 miles northwest of Red Bluff. 503 Comment
  UCD129889  Calycadenia pauciflora Gerald D. Carr 1971-8-19 646 Tehama 7.1 miles northwest of Paskenta on Toomes Camp Road. 685 Comment
  UCD80044  Calycadenia truncata CNPS SN Foothill Team 2005-6-29 SNNR 0374 b Tehama USFS Lassen National Forest, on a rocky ridgetop west of Steep Hollow. 1023 Comment
  UC1506081  Calycanthus occidentalis Robert T. Clausen and J. M. Clausen 1963-6-11 63188 Tehama n slope Arbuckle Mt. (talus along Middle Fork of Cottonwood Creek, Sacramento River drainage); Sacramento River Comment
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Jul 5 2013
  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
  HSC17637  Calyptridium monospermum Larry Berti 1968-7-20 Tehama 5 mi. below Mineral along Battle Creek 1372 Comment
  CHSC78693  Calyptridium quadripetalum L. P. Janeway; B. Castro 2000-6-11 6792 Tehama Inner North Coast Ranges. Near top of Raglin Ridge about 0.6 km west of Pepperwood Spring; along Raglin Ridge Road. 945 Comment
  HSC75381  Calyptridium umbellatum J. O. Sawyer, K. A. Sawyer 1980-6-18 3448 Tehama S of N Yolla Bolly Peak. 2348 Comment
  CHSC86548  Calystegia atriplicifolia subsp. buttensis L. P. Janeway 2003-6-14 7845 Tehama Cascade Range Foothills. Along Cohasset Road 1.0 air km east of the old Campbellville fire lookout site and 3.7 air km south of Deer Creek. 1062 Comment
  JEPS109409  Calystegia occidentalis var. tomentella D. W. Taylor 2010-6-23 20894 b Tehama Hwy 36 1 mile W from Lassen Lodge, N side of highway near junction with Little Giant Mill Road. Comment
  JEPS31631  Calystegia occidentalis var. tomentella Joseph Grinnell 1925-7-21 Tehama Mineral 1463 Comment
  JEPS33784  Camissonia contorta Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on road to Covelo) Comment
  JEPS97201  Camissonia contorta Vernon H. Oswald and L. Ahart 1995-4-3 6578 Tehama T29N R2W SW1/4 NW1/4 Sec. 26, 680 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 207 Comment
  CHSC82304  Camissoniopsis hirtella Lowell Ahart 2002-4-27 9552 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
  CHSC65757  Capsella bursa-pastoris Vernon H. Oswald; Lowell Ahart 1996-4-8 7332 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the E edge of Paynes Creek near its mouth on the Sacramento River. 85 Comment
  CHSC65669  Cardamine californica var. californica Vernon H. Oswald 1996-3-15 7226 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel. On the N rim of a ridge ca. 1.25 mi NNE of the parking lot at Hog Plateau. Near the top of the N-facing slope of Paynes Creek Canyon. 213 Comment
  CHSC40699  Cardamine oligosperma Pauleen Broyles 1983-4-16 907 Tehama The Nature Conservancy Vina Plains Preserve. Near Sheep Camp Ditch, wnw of barn in s pasture. 62 Comment
  CHSC64385  Cardamine oligosperma Vernon H. Oswald; Lowell Ahart 1995-3-6 6501 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 ridge running through the ne corner of the reserve. 225 Comment
  CHSC81218  Carduus pycnocephalus Caroline Warren; L. P. Janeway, B. Castro 1999-6-8 Tehama Vicinity of Cracker Canyon and South Fork Cottonwood Creek. 365 Comment
  RSA712753  Carex angustata L. P. Janeway 2005-6-12 8424 Tehama High Cascade Range 1625 Comment
  HSC1785  Carex aquatilis Larry Berti 1969-5-9 90 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  CHSC60429  Carex athrostachya Mary Ann Showers 1992-6-28 Tehama Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CHSC94308  Carex athrostachya Lowell Ahart 2006-7-25 13074 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
  CHSC106706  Carex bolanderi Barbara Ertter; Brad Olson 1991-7-4 10246 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. 1310 Comment
  CHSC63229  Carex bolanderi Lowell Ahart 1994-7-24 7515 Tehama On the sides of Willow Creek, about 100 yards north of the dirt road, about 1 1/4 miles (air) north of Jonesville. 1615 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
  SEINET7556567 Image available Carex deflexa var. boottii Nir L. Gil 1993-5-25 471 Tehama Lassen National Forest, 1.9 mi E of jct, Ca Hwy 36 & Forest Rd 17, E of Mineral, ca 3 mi ENE of Mineral. Comment
  CAS-BOT-BC20058  Carex echinata John Thomas Howell 1961-6-20 36579 Tehama Near Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  CAS-BOT-BC19988  Carex feta Lewis S. Rose 1939-6-10 39274 Tehama Deer Creek Falls. 1249 Comment
  CHSC102581  Carex fracta L. P. Janeway; B. Castro 2009-7-26 9872 Tehama High Cascade Range. Lassen national Forest; east side of Hwy 89 0.5 road km south of the boundary of Lassen Volcanic National Park; 1.0 km west of (and above) Mill Creek. 1990 Comment
  SEINET3872074  Carex fracta Peter F. Zika 2009-8-17 24610 Tehama 2.5 air km SSE of Bluff Falls, along FS road 29N22 at 0.2 road miles W of Route 89. Cascade Range Highlands.; 0 1895 Comment
  CAS-BOT-BC22298  Carex hassei Lewis S. Rose 1939-6-10 39273 Tehama Deer Creek Falls. 1249 Comment
  HSC81946  Carex hassei Thomas W. Nelson, Jane P. Nelson 1979-6-25 4873 Tehama Along road from Tedoc Gap to Wells Creek, 0.5 mi. from Tedoc Gap 1372 Comment
  CAS-BOT-BC28197  Carex hoodii H. M. Hall; E. B. Babcock 1903-7-1 4346 Tehama Near Morgan, Mill Creek Canyon. 1524 Comment
  UC55237  Carex hoodii H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4346 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  JEPS110418  Carex integra Lowell Ahart 2006-7-11 12945 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
  SD211484  Carex integra Barbara Ertter, Brad Olson 1991-7-6 10416 Tehama Rocky Cabin meadow circa 1 mile South of Ball Rock, 1 mile Southeast of Cold Spring Forest Station, circa 30 airmiles West of Corning 1890 Comment
  SEINET4292188 Image available Carex integra Unknown 2006-1 12945 Tehama High east bank of Colby Creek, about 50 yards north of where the dirt road crosses Colby Creek, about 2 miles(air) south- east of Colby Mountain, about 5 miles (air) northeast ofButte Meadows. Yellow Pine Forest. Comment
  SEINET3902968  Carex lenticularis Louise Kellogg 1952-7-9 12 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge directly south of South Yolla Bolly Mountain.; 0 2134 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
  CAS-BOT-BC31563  Carex luzulifolia John Thomas Howell 1960-8-19 36125 Tehama Brokeoff Mt. Trail 2346 Comment
  SEINET7566382 Image available Carex luzulina L. P. Janeway 2005-6-12 8423 Tehama Childs Meadows 7.5' quad. High Cascade Range. At west end of Wilson Lake, just below dirt road. Comment
  CAS-BOT-BC31671  Carex luzulina var. ablata John Thomas Howell 1960-8-24 36464 Tehama Lassen Loop, 1/2 mi SE of Sulphur Works. 2133 Comment
  CHSC90403  Carex multicaulis Niall McCarten 1986-6-15 5388 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 1/3 mi. W. of Johnson cabin. 1402 Comment
  UC1023451  Carex multicaulis Milo S. Baker and H. K. Wagnon 1953-6-21 12762 Tehama w Paskenta (logging rd., above 15 mi post) 1524 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
  JEPS110343  Carex nebrascensis Lowell Ahart 2006-7-19 13039 Tehama Small meadow, east side of the abandoned logging road, about 150 yards northeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows 1540 Comment
  HSC1768  Carex nudata Larry Barti 1969-3-22 62 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from the dam 213 Comment
  JEPS102253  Carex serratodens L. P. Janeway 2000-4-21 6672 Tehama High Cascade Range. On north side of Mill Creek 1.9 km east-northeast of Black Rock and Ponderosa Way. 713 Comment
  CHSC94372  Carex simulata Lowell Ahart 2006-7-19 13037 Tehama Small meadow, east of the abandoned logging road, about 150 yards northeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows. 1540 Comment
  JEPS110341  Carex simulata Lowell Ahart 2006-7-19 13037 Tehama Small meadow, east of the abandoned logging road, about 150 yards northeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows 1540 Comment
  CAS-BOT-BC116982  Carex straminiformis Clare B. Hardham 1971-8-10 18309 Tehama South Yolla Bolly Mountain. 2438 Comment
  CHSC83711  Carex subfusca L. P. Janeway 2001-6-24 7228 Tehama High Cascade Range. Along North Fork Antelope Creek at crossing of Road 29N48; about 3.7 km northwest of Turner Mountain. 1652 Comment
  SEINET4292060 Image available Carex subfusca Unknown 2001-1 7138 Tehama High North Coast Ranges. At spring on west side of Tedoc Gap North Yolla Bolly quad (1:25,000) Comment
  UC1584277  Carex subfusca J. Kierstead, J. Anderson 1989-8-31 89 -92 Tehama n side Tedoc Mtn. (along F.S. Rd. 45); Shasta-Trinity N.F., Yolla Bolly R.D. 1219 Comment
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Mar 11 2008
  HSC93341  Carex utriculata L. P. Janeway 2001-7-25 7380 Tehama SE corner of large meadow on S side of Deer Creek at extreme W end of Deer Creek Meadows 1381 Comment
  CHSC60447  Carex vesicaria Mary Ann Showers 1992-6-26 2576 Tehama Lassen Volcanic National Park. Seep above canyon bottom east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  SD243230  Carex vulpinoidea Peter F. Zika 2011-7-4 25511 Tehama Cascade Range Foothills; SE side of A6, at Morgan Creek culvert. 330 Comment
  JEPS116645  Carex whitneyi L. P. Janeway 2009-7-26 9871 Tehama Lassen National Forest Lassen Peak (east side of Hwy 89 0.5 km south of boundary of Lassen Vocanic National Park; 1.0 km west of (and above) Mill Creek); High Cascade Range 1990 Comment
  SEINET7580520 Image available Carex whitneyi Robert F. C. Naczi, Lawrence P. Janeway 2004-7-24 10533 Tehama Humboldt Summit, just S of Plumas County border, just N of Butte County border, vicinity of Pacific Crest Trail. 2021 Comment
  UCR123910  Castilleja applegatei subsp. martini George K. Helmkamp, E. A. Helmkamp 2001-7-7 6921 Tehama Sierra Nevada Mountains, Calif. Hwy 36, 2.6 mi west of Mineral, about 33 mi west of Chester, Lake Almanor 1418 Comment
  JEPS34723  Castilleja applegatei subsp. pinetorum Lauramay T. Dempster 1964-7-25 4054 Tehama 2.5 mi sw Potato Patch campground (Hwy. 32 at s crossing of Deer Creek); Deer Creek 983 Comment
  RSA505370  Castilleja applegatei subsp. pinetorum R. C. Bacigalupi, G. Thomas Robbins, Keith Harrison, G. D. Barbe 1955-7-17 5351 Tehama Northern exposure of Tatham Ridge, on ridge-top 0.3 mile s. of Post Pile Camp and 19 miles w.-n.w. or Paskenta. Mendocino Nat. Forest. 1921 Comment
  CHSC23428  Castilleja attenuata L. Lyons 1967-4-24 Tehama 50 yds N of River Rd., ca. 4.5 mi NE of Corning, 3 mi S of Thomas Creek, at Hall Rd. 38 Comment
  JEPS95700  Castilleja attenuata Vernon H. Oswald and L. Ahart 1995-4-3 6580 Tehama T29N R2W SW1/4 NW1/4 Sec. 26, 680 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 207 Comment
  CHSC33367  Castilleja exserta Steven Azevedo 1980-4-2 10 Tehama 2 1/2 mi. w of Flournoy, pasture on n side of road. 274 Comment
  JEPS10306  Castilleja exserta subsp. exserta Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) 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
  SJSU5825  Castilleja lacera J. W. Tilden 1960-6-26 1476 Tehama Wilson L 1524 Comment
  CHSC55403  Ceanothus X flexilis Laurie L. Gordon 1991-4-22 20 Tehama 0.2 mi south of Digger Creek. 731 Comment
  CHSC37551  Ceanothus cuneatus T. B. Devine 1977-5-22 391 Tehama Ca. 300 yds N of Pine Creek, 6 mi E of Hwy 99. 121 Comment
  CHSC80261  Ceanothus cuneatus var. cuneatus L. P. Janeway 1999-6-19 6472 Tehama Cascade Range Foothills. Along Laynes Valley Road 4.5 km northwest of Hwy 36; about 3.5 km north-northeast of Inskip Hill. 479 Comment
  RSA755231  Ceanothus cuneatus var. cuneatus Dylan O. Burge 2007-5-1 DOB 902 c Tehama At roadside 5.5 road miles W of Paskenta (measured from intersection of Toom's Camp Road and Round Valley Road) via Toom's Camp Road and Cr 122, 6.51 km 270 degrees true W of Paskenta 520 Comment
  LA43623  Ceanothus integerrimus Carl Epling; William Robison 1935-7-16 sn Tehama near Mineral Comment
  SBBG68335  Ceanothus integerrimus G. E. Haney 1935-6-28 Tehama between Mineral and summit Comment
  UCD111990  Ceanothus integerrimus Ray Prag 1970-7-2 s.n. Tehama Near junction of Highway 36 and Highway 89. 1706 Comment
  UCD170341  Ceanothus integerrimus D. O. Burge 2016-11-11 2200 Tehama Roadside on California State Route 36. 485 Comment
  RSA90831  Ceanothus integerrimus Milo S. Baker, H. K. Wagnon 1953-7-12 12816 Tehama Whitlock Camp. 1311 Comment
  SEINET263494  Ceanothus jepsonii R. J. Shaw 1993-5-23 5098 Tehama Lassen National Forest ; Mile marker 89 near Morgan Summit [near jct of Hwys 36 & 89] 1707 Comment
  CAS-BOT-BC51990  Ceanothus prostratus D. B. Dunn; B. J. Cox 1971-6-10 17961 Tehama 13 mi. W. of Mineral on Calif. Hwy. 36; on 60 degrees E-facing slope Comment
  RSA399823  Ceanothus prostratus Bonnie C. Templeton 1960-6-14 8498 Tehama Near 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
  RSA21522  Ceanothus prostratus var. occidentalis Carl B. Wolf 1937-5-17 8708 Tehama Northern Sierra Nevada Foothills, Red Bluff - Susanville Road, 11 miles above Paynes Creek. 915 Comment
  UC726179  Ceanothus velutinus A. A. Heller 1936-6-19 Tehama ridge between Childs Meadows and Chester; ridge between Child's Meadows and Chester Comment
  CHSC113318  Centaurea melitensis Lowell Ahart; John Dittes 2014-5-17 19510 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
  CHSC80588  Centaurea melitensis Lowell Ahart 2001-6-14 8832 Tehama Northwest of the dirt road that leads to the tower, on the north side of road M2, about 8 miles west of Paskenta. 609 Comment
  CDA18847  Centaurea melitensis W. Ogden 1999-7-1 PDR 1140096 Tehama Roe Way in the vicinity of Cottonwood. 0 Comment
  SEINET8111599 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201514 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111602 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201509 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111606 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201505 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 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
  SEINET8111626 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201516 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111641 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 RB 201505 Tehama North-west of Herbert S. Miles rest area between Cottonwood and Red Bluff on southbound I-5. 93 Comment
  SEINET8854266 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201512 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  JEPS105928  Centaurium venustum Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11201 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
  JEPS97354  Centaurium venustum Vernon H. Oswald and L. Ahart 1995-7-31 7155 Tehama T29N R1W SE1/4 SW1/4 Sec. 7, 1080 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. 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
  CHSC64691  Centromadia fitchii Vernon H. Oswald 1995-5-22 6749 Tehama Cascade Range Foothills. 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. (Collected on the s side of Inks Creek Rd. near the w boundary). 213 Comment
  CHSC78803  Centromadia fitchii Vernon H. Oswald 2000-9-23 9965 Tehama Hwy 36 west of Red Bluff between Basler and Bowman roads. 265 Comment
  SD74669  Centromadia fitchii Helen V. Witham 1969-10-4 541 a Tehama Open field near Blue Tent Creek, one mile east of Ide Adobe State Historical Park. 130 Comment
  JEPS96739  Cerastium fontanum subsp. vulgare Dean W. Taylor 1997-7-24 16164 Tehama Dry Lake; Lassen National Forest 1813 Comment
  CHSC65724  Cerastium glomeratum Vernon H. Oswald; Lowell Ahart 1996-4-3 7300 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. Throughout the reserve (collected on a gravelly flat between an old meander of the intermittent stream and its present course ca. 0.4 mi E of the dirt lane along the W side of the parcel). 103 Comment
  CHSC89030  Cerastium glomeratum Pat Sater 2001-4-18 Tehama Dye Creek Preserve. West of the headquarters in pastures. 60 Comment
  CAS-BOT-BC207380  Cercis occidentalis G. Edelbrock 1975-4-18 77 Tehama 3.5 mi. North of Hwy 36 on Lanes Valley Road 548 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
  RSA712816  Cercis occidentalis L. Ahart 2006-5-5 12580 Tehama Along the Nomalaki Trail (Thomes Gorge Trail), about 1/2 mile northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta. 561 Comment
  RSA96864  Cercis occidentalis Percy C. Everett, E. K. Balls 1954-10-15 20310 Tehama Hwy. 36, 11.5 mi. SE of Shasta-Tehama Co. line, between Fortune and Red Bluff. 366 Comment
  CHSC86829  Cercocarpus betuloides var. betuloides Jenny Marr; Heidi West 1998-7-2 Tehama Vicinity of Red Bank Creek and Dry Creek. 274 Comment
  JEPS81105  Cercocarpus betuloides var. betuloides J. P. Smith and T. W. Nelson 1978-7-22 10046 Tehama Shasta-Trinity National Forest 1280 Comment
  UC1299289  Chaenactis douglasii var. douglasii Freed W. Hoffman 1950-7-1 3532 Tehama Ovenlid, w Tehama County North Coast Ranges, Ovenlid Comment
  CHSC68534  Chaenactis glabriuscula var. heterocarpha Vernon H. Oswald 1997-4-23 8342 Tehama Inner North Coast Ranges. Forest road M2 7.2 miles W of Paskenta. 652 Comment
  CHSC77301  Chaenactis glabriuscula var. heterocarpha Heidi West; Jenny Marr, Natalie Wight 1999-4-29 Tehama Vicinity of Red Bank Creek, Dry Creek, and Sunflower Gulch. 274 Comment
  CHSC90770  Chaenactis glabriuscula var. heterocarpha D. Isle 2004-4-10 259 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. Lower Mud Flat Rd. 426 Comment
  JEPS83929  Chamaesyce hooveri R. D. Stone and R. E. Buck 1987-8-11 846 Tehama 2.5 mi ne Reed Orchard Rd end (ca 6 mi ne of Vina, just e of Deer Creek on w side of irrigation ditch) 131 Comment
  JEPS83939  Chamaesyce hooveri R. D. Stone 1986-7-24 787 Tehama 1.3 mi sse intersection of Hwy 99 and Rowles Rd (0.55 mi sw of Hwy 99); Vina Plains 60 Comment
  RSA572327  Chamaesyce hooveri Robert F. Hoover 1938-8-2 3722 Tehama 4 miles southeast of Vina Comment
  CHSC78645  Chamaesyce maculata L. P. Janeway; B. Castro 2000-6-21 6808 Tehama Sacramento Valley. At overlook on south side of Black Butte Dam. 177 Comment
  CHSC87941  Chamaesyce maculata Lowell Ahart 2004-6-28 11145 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  JEPS91386  Chamaesyce maculata Dean W. Taylor 1993-10-17 14084 Tehama Round Valley Road 0.5 miles W from junction Newville Road (ca. 4 mi SW of Paskenta 274 Comment
  JEPS9017  Chamaesyce ocellata subsp. ocellata W. L. Jepson 1929-9-27 15279 a Tehama ne side Sacramento River (in low hills); Red Bluff 243 Comment
  CHSC34249  Chamaesyce ocellata subsp. rattanii J. Lacey; R. Ondricek-Fallscheer 1981-6-11 13 Tehama L mi ssw of the jct of Round Valley Rd and Garland Rd. 341 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
  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
  JEPS99028  Chamaesyce serpillifolia subsp. serpillifolia Vernon H. Oswald and Lowell Ahart 1998-10-27 9688 Tehama W of Paskenta (Nomalaki Trail N of Mud Flat Rd. at Dead Rabbit lake) 542 Comment
  UCR129873  Cheilanthes covillei H. K. Wagnon 1953-5-3 12640 Tehama West of Paskenta along logging road 244 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
  CHSC59083  Chenopodium album Vernon H. Oswald 1992-8-19 5156 Tehama Hwy. 89 between Bluff Falls and the S boundary of Lassen Volcanic National Park. 1987 Comment
  CHSC65099  Chenopodium album Vernon H. Oswald; Lowell Ahart 1995-7-31 7151 Tehama Dales Lake Ecological Reserve. 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. Growing on a pile of gravel hauled into the parking area at the S end of the highway. 213 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
  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
  JEPS88136  Chenopodium strictum var. glaucophyllum Vernon H. Oswald and Lowell Ahart 1996-7-8 7975 Tehama n.e. Red Bluff (BLM parcel along Hwy. 36; at former site of corral along Hwy. 36 near the n.e. side of Hog Lake, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 268 Comment
  POM204023  Chlorogalum angustifolium Alice Eastwood, John Thomas Howell 1934-4-21 1848 Tehama Between Red Bluff and Paynes Creek. Comment
  CHSC64929  Chlorogalum pomeridianum var. pomeridianum Vernon H. Oswald; Lowell Ahart 1995-6-13 6857 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. 201 Comment
  CHSC86053  Chorizanthe membranacea Jenny Marr; Caroline Warren 1998-4-28 Tehama Vicinity of upper North Fork Stony Creek, Newville Road, and Round Valley Road. 213 Comment
  CHSC96534  Chorizanthe membranacea Lowell Ahart 2007-5-8 13741 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
  JEPS122049  Chorizanthe polygonoides var. polygonoides Lowell Ahart, John Dittes 2014-5-18 19526 Tehama About 2 miles east of the end of Lyon Cattle Road, about 4 miles (air) northeast of Los Molinos. Comment
  CAS-BOT-BC252827  Chorizanthe polygonoides var. polygonoides W. P. Vestal; A. G. Vestal 1955-5-19 s.n. Tehama 6.2 mi. WSW of Manton Comment
  SJSU9100  Chorizanthe stellulata R. L. MacDonald & N. D. Addy 1962-6-30 Tehama by Highway 36 c. 11 mi W of Mineral 762 Comment
  JEPS38076  Chrysolepis sempervirens Jos. Grinnell 1925-7-30 Tehama Mineral 1463 Comment
  CAS-BOT-BC36352  Chrysolepis sempervirens C. Hart Merriam unspecified s.n. Tehama So. of Lassen (between Big Meadows and Morgan Springs) [Tehama Co./Plumas Co.] Comment
  CHSC68977  Cinna latifolia Vernon Oswald; Lowell Ahart 1997-7-7 8700 Tehama Forest Route 35 at Cedar Creek near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. Along a streamlet. 1066 Comment
  CDA29147  Cirsium andersonii L. Ahart 2006-9-9 13257 Tehama Near the dry meadow area just west 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. Comment
  JEPS29578  Cirsium andersonii John Thomas Howell 1960-8-20 36271 Tehama forest between Childs Meadow and Morgan Meadow (near Lassen Volcanic National Park) 1524 Comment
  CAS-BOT-BC286479  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Lassen Volcanic National Park. Sulphur Works entrance station 2011 Comment
  CAS-BOT-BC169776  Cistanthe quadripetala Helen K. Sharsmith 1954-6-24 4345 Tehama SW ridge leading to Eagle Peak, one mile below summit, Mendocino National Forest 1066 Comment
  POM253022  Cistanthe umbellata var. umbellata A. A. Heller 1937-6-26 15349 Tehama In gravel along Highway # 36 between Child s Meadows and the junction with the Deer Creek road. Arid transition life zone. 1463 Comment
  RSA755418  Clarkia arcuata L. P. Janeway, B. Castro 2009-4-25 9764 Tehama Cascade Range Foothills: Tehama Wildlife Area: Along Powerline Road about 0.4 km south of Cottonwood Jeep Trail, overlooking an upper northeastern fork of Little Antelope Creek. 564 Comment
  UCD104436  Clarkia concinna Thomas W. Nelson; Jane P. Nelson 1980-6-22 5845 Tehama Along forest service road 45, 2.3 miles N of Tedoc Gap, W side of Mount Tedoc. 1371 Comment
  CHSC32787  Clarkia concinna subsp. concinna James Jokerst 1980-6-18 879 Tehama North Coast Ranges. Near Mud Flat. 852 Comment
  UCD80472  Clarkia gracilis CNPS SN Foothill Team 2005-6-7 SNNR 0183 Tehama CDFG, Tehama Wildlife Area. 473 Comment
  LA202688  Clarkia gracilis subsp. albicaulis S. J. Bainbridge; 1997-5-26 sn Tehama Ballard Spring area, S Fork of Dye Creek Comment
  RSA279403  Clarkia gracilis subsp. albicaulis W. L. Jepson 1932-5-9 16324 Tehama Hills north of Paskenta. Comment
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Jul 1 2009
  RSA91214  Clarkia gracilis subsp. gracilis Milo S. Baker 1953-5-9 12583 Tehama Logging road west of Pakenta, near 6 mile post. Comment
  JEPS1958 Image available Clarkia gracilis subsp. tracyi W. L. Jepson 1932-5-9 16324 Tehama hills n Paskenta; ; Paskenta, Tehama Co. Comment
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Jul 1 2009
  CHSC48627  Clarkia lassenensis Vernon Oswald 1984-6-7 1258 Tehama Calif. Hwy 32, 0.8 mi n-e of the first bridge over Deer Creek. 1054 Comment
  CHSC84658  Clarkia lassenensis Samantha Mackey Hillaire; Brian Elliott 2003-5-31 347 Tehama Lassen National Forest, Ishi Wilderness. Rancheria Creek Trail, S of trail split, on the W branch of the trail. 701 Comment
  CHSC87362  Clarkia lassenensis Lowell Ahart 2004-4-29 10805 Tehama About 1/4 mile north of an unnamed lake, along the Nomalaki Trail, about 1 mile by trail northwest of Dead Rabbit Lake, about 1 3/4 miles northwest of Bowers Creek, about 2 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 498 Comment
  CHSC64714  Clarkia purpurea subsp. quadrivulnera Vernon H. Oswald; Lowell Ahart 1995-5-9 6713 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. Collected se of Pool 20. 213 Comment
  JEPS105672  Clarkia purpurea subsp. quadrivulnera L. P. Janeway 2003-6-14 7834 Tehama High Cascade Range. Along Cohasset Road about half way down into the canyon of Deer Creek, 1.0 air mi south of Deer Creek. At base of dirt road cutbank and on fill slope 780 Comment
  SEINET516286  Clarkia purpurea subsp. quadrivulnera Vernon H. Oswald 1997-5-14 8438 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 7.9 mi S of Plum Creek Rd., 1.6 mi NW of the South Fork Antelope Creek. 1018 Comment
  CDA15429  Clarkia purpurea subsp. viminea G. F. Hrusa, J. Hart 1998-5-1 14424 Tehama Sacramento Valley; approx. 1/4 mi. S of and above Coyote Creek, Coyote Creek Conservation Area ~1 mi. W of Paskenta Rd. Comment
  CHSC86569  Clarkia rhomboidea L. P. Janeway 2003-6-14 7836 Tehama High Cascade Range. Along Cohasset Road 2.3 road km north-east of Deer Creek crossing, at Beaver Creek. 643 Comment
  CHSC87107  Clarkia rhomboidea Jenny Marr; Heidi West 1998-7-2 Tehama Vicinity of Red Bank Creek and Dry Creek. 274 Comment
  CHSC70764  Clarkia stellata L. P. Janeway 1995-6-25 4819 Tehama North side of Hwy 32, 1.15 mi west of junction with Hwy 36/89; at western end of Deer Creek Meadows. Road cutbank. 1394 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
  JEPS43306  Claytonia parviflora subsp. parviflora W. L. Jepson 1899-4-25 Tehama Stiver's Ranch Comment
  CHSC67281  Claytonia perfoliata James D. Jokerst 1983-3-6 1689 Tehama Wurlitzer Ranch on the bank of Pine Creek, 1.5 mi E of Meridian Rd. Comment
  SEINET11935021  Claytonia perfoliata Unknown 1983-1 881 Tehama The Nature Conservancy Vina Plains Preserve, at Lassen Rd 63 Comment
  CHSC65768  Claytonia perfoliata subsp. perfoliata Vernon H. Oswald; Lowell Ahart 1996-4-8 7317 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Growing on a shaded cutbank on the E side of Paynes Creek ca. 0.4 mi downstream from the former bridge sit on the gravel road. 106 Comment
  RSA21523  Claytonia rubra C. B. Wolf 1937-5-17 8709 Tehama Northern Sierra Nevada Foothills, Red Bluff - Susanville Road, 11 miles above Paynes Creek. 915 Comment
  UC1949331  Claytonia rubra subsp. rubra Barbara Ertter with Brad Olson 1991-7-6 10368 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; around campsite at W end of meadow Comment
  RSA123561  Claytonia saxosa G. D. Barbe 1955-7-22 256 Tehama W slope of Harvey Peak, W of S Yolla Bolly. 2378 Comment
  CHSC107084  Clematis lasiantha V. Lockie 2010-4-6 Tehama Dye Creek Nature Conservancy Preserve. Specimen collected near trail adjacent to Dye Creek. 135 Comment
  CHSC86994  Clematis ligusticifolia Jenny Marr; Heidi West, Caroline Warren 1998-8-27 Tehama Vicinity of Red Bank Creek and Red Bank Road. 304 Comment
  JEPS95962  Collinsia greenei Vernon H. Oswald 1999-4-27 9722 Tehama Nomalaki Trail between Round Valley and Mud Flat roads, just north and uphill from Bennett Creek, Mendocino NF: T23N R7W SE1/4 NW1/4 Sect. 28, ca. 1900 ft, chaparral, Inner North Coast Ranges 579 Comment
  CHSC92785  Collinsia heterophylla John Dittes; Josephine Guardino 2005-4-13 1066 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
  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
  CHSC53984  Collinsia sparsiflora var. collina Vernon H. Oswald 1991-4-30 4540 Tehama Hwy 36, 6.3 miles east of Paynes Creek, 3.6 miles west of Ponderosa Way. 893 Comment
  CHSC55284  Collinsia sparsiflora var. collina L. P. Janeway 1991-4-11 3891 Tehama Upper slope of steep north-facing bluff on south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. 167 Comment
  UC614497  Collinsia sparsiflora var. collina L. Constance, J. L. Morrison 1938-5-1 2181 Tehama ow hills at Paskenta, Inner North Coast Ranges. 304 Comment
  SBBG6887  Collinsia tinctoria H. and M. Dearing 1938-6-23 2099 Tehama Potato Patch Public Camp, Deer Crk 1051 Comment
  CDA41369  Collinsia tinctoria Vernon H. Oswald & Lowell Ahart 1996-6-3 7705 Tehama Along Paynes Creek, ca. 0.4 mi. downstream from the old bridge site, BLM parcel along Highway 36 northeast of Red Bluff. 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
  RSA123578  Collinsia torreyi var. wrightii G. D. Barbe 1955-7-22 239 Tehama About 0.5 mile from Jeep road, west of Oven Lid, on the trail to Square Lk. 2073 Comment
  UC1024382  Collomia tinctoria George W. Gillett 1952-8-24 215 Tehama moist bank below hot springs area; Lassen Volcanic National Park, vicinity of Sulphur Works 2133 Comment
  CHSC80560  Comandra umbellata subsp. californica Vernon H. Oswald; Lowell Ahart 2001-5-7 10013 Tehama Forest Road 26N15 4.9 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1072 Comment
  CHSC66180  Conium maculatum Vernon H. Oswald 1996-6-3 7710 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Creek. 100 Comment
  JEPS117386  Conyza canadensis Lowell Ahart, John Dittes 2010-10-4 17294 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
  UCSB13420  Corallorhiza striata Breedlove, Dennis 1962-6-12 Tehama Along road from Viola to Mineral; 9.5 miles south of Viola 1524 Comment
  RSA412338  Cordylanthus tenuis subsp. tenuis Milo S. Baker 1947-8-14 11998 Tehama Hwy 36 ca 1000 ft and 10-12 mi. E of Red Bluff. Comment
  JEPS81040  Cordylanthus tenuis subsp. viscidus Thomas Nelson, Jane Nelson, and R. Jane Cole 1979-7-27 5047 Tehama ca 0.5 mi from Regan Meadow (along road from Regan Meadow to Brushy Mountain); Shasta Trinity National Forest 1402 Comment
  UC2042869  Cordylanthus tenuis subsp. viscidus Barbara Ertter 1991-9-2 10776 Tehama SW Tehama Co.: Round Valley - Paskenta Road (Route M4) 3.4 mi E of M2 junction at Government Flat, ca. 18 air miles W of Paskenta. Comment
  CAS-BOT-BC209882  Cornus nuttallii John Thomas Howell 1960-8-21 36294 Tehama Near Lassen Volcanic National Park. Between Morgan and Morgan Summit 1676 Comment
  CAS-BOT-BC210559  Cornus sessilis Roxana S. Ferris 1952-5-17 12486 Tehama Along Deer Creek (State Highway 32), Potato Patch Camp Ground, Lassen National Forest 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
  CHSC69659  Cornus sessilis Vernon Oswald; Lowell Ahart 1997-9-9 8867 Tehama Forest Rd. 26N09 at Cascade Creek, northwest of Chico Mdws., 1.1 mi southeast of Hwy. 32. 1219 Comment
  POM118226  Cornus sessilis Edward Hyatt, Marguerite Hyatt 1914-7-30 319 Tehama Deer Creek. 305 Comment
  CAS-BOT-BC401889  Corydalis caseana subsp. caseana H. M. Hall; E. B. Babcock 1903-7-1 4291 Tehama Mount Lassen. Near Morgan, (Mill Creek Canyon) 1524 Comment
  JEPS103600  Corydalis caseana subsp. caseana Lowell Ahart 2002-6-29 9797 Tehama In the N part of a meadow, on the E side of Willow Creek, ca 1/8 mile S of Colby Mountain Lookout Road where it crosses Willow Creek, ca 5 miles (air) NE of Butte Meadows. 1574 Comment
  SEINET3152044  Corydalis caseana subsp. caseana M. Ownbey, G. B. Ownbey 1946-6-23 2935 Tehama Guernsey Creek, 7.5 mi. south of Morgan Springs Comment
  JEPS94507  Corylus californica Vernon Oswald and Lowell Ahart 1997-7-7 8704 Tehama Forest Route 35 at Slide Creek near the ne corner of the Yolla Bolly Middle Eel Wilderness Slide Creek; Yolla Bolly Middle Eel Wilderness, Slide Creek 1188 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
  CHSC55212  Crassula connata L. P. Janeway 1991-4-11 3887 Tehama Tablelands on south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. Battle Creek Wildlife Area. 167 Comment
  HSC1761  Crassula connata Larry Berti 1969-3-19 34 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
  CHSC55088  Crassula saginoides L. P. Janeway 1991-5-11 3954 A Tehama About 1/4 mi south of Battle Creek; ca 1 1/2 mi east of the Sacramento River. Battle Creek Wildlife Refuge. 169 Comment
  JEPS36487  Crepis occidentalis W. L. Jepson Jul 24 1897-Jul 25 1897 Tehama South Yolla Bolly summit Comment
  CHSC71049  Crucianella angustifolia Vernon Oswald; Lowell Ahart 1998-5-14 9048 Tehama Hwy. 36 between Bluff and Platina, 2.3 mi east of Vestal Rd. 2712 Comment
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Sep 11 2007
  UCR265167  Crucianella angustifolia Barbara Ertter 1991-5-19 9868 Tehama Vassar Road junction on Hwy 36, 16.5 mi west of Red Bluff 244 Comment
  SD211693  Crucianella angustifolia Barbara Ertter 1991-5-19 9868 Tehama Vassar Road junction on Highway 36, 16.5 miles west of Red Bluff. 244 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
  CHSC81641  Crypsis alopecuroides Vernon H. Oswald 2001-10-18 10062 Tehama Burris Creek Area of Black Butte Lake located at the east end of Morrison Bryant Road. On the eastly autumn strand of the reservoir. 134 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
  CHSC65078  Crypsis schoenoides Vernon H. Oswald; Lowell Ahart 1995-7-17 7078 A 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. 213 Comment
  SEINET10518381  Crypsis schoenoides Vernon H. Oswald, Lowell Ahart 1995-7-17 Oswald 7078 A Tehama T29N R2W NW1/4 NW1/4 Sec. 35,700 ft, Cascade Range Foothills, Valley and Foothills Grassland (Wildflower Field), stony Tuscan loam. 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. Comment
  SEINET11689134  Crypsis schoenoides Unknown 1982-1 738 Tehama The Nature Conservancy Vina Plains Preserve, NNE of barn in S pasture 63 Comment
  SEINET8916098  Crypsis schoenoides B. Ertter, E. Neese, L. Fujii, D. Espindola 1989-1 8893 Tehama S side of NW arm of Black Butte Lake, W of Orland. 152 Comment
  JEPS103393  Crypsis vaginiflora Lowell Ahart 2002-11-5 10019 Tehama East of where Burris Creek runs into Black Butte Lake, ca 15 feet below the high water line of the lake, ca 12 miles (air) NW of Orland. 152 Comment
  CHSC117167  Cryptantha affinis Lowell Ahart; John Dittes 2016-6-22 21044 Tehama On the north side of the trail, 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. 935 Comment
  SEINET11268245  Cryptantha affinis Lowell Ahart 2001-6-16 8853 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.; 0 1113 Comment
  JEPS104341  Cryptantha crinita Lowell Ahart 2003-5-12 10126 Tehama Along a wash, on the nw side of the poor dirt road, just n of Jelly Ferry Rd, 1.3 mi (air) sw of Coleman Fish Hatchery, ca 6.0 mi (air) e of Cottonwood. 131 Comment
  RSA95832  Cryptantha crinita L. S. Rose 1954-4-26 54034 Tehama 1.5 miles N. of Red Bluff, flood bed of Dibble Creek 95 Comment
  CHSC102329  Cryptantha flaccida L. P. Janeway; B. Castro 2009-4-25 9757 Tehama Cascade Range Foothills. Tehama Wildflife Area; top of ridge between Shaw Creek and Little Antelope Creek, just east of junction of Powerline Road and Cottonwood Jeep Trail. 628 Comment
  CHSC54094  Cryptantha flaccida Vernon H. Oswald; Anne-Lise Feenstra 1991-5-22 4605 Tehama Lowrey Rd 0.2 mi southeast of the North Fork of Elder Creek, north of Paskenta. 283 Comment
  JEPS88116  Cryptantha flaccida Vernon H. Oswald and Lowell Ahart 1996-4-29 7495 Tehama nw of Corning (CDFG parcel on s side of Gyle Road, along intermittent stream 0.3 mi e of w boundary, nw side of Sacramento Valley); Thomes Creek Ecological Reserve, Sacramento Valley 102 Comment
  UCD14968  Cryptantha intermedia Helen West 1977-5-21 23 Tehama California, Tehama Co.; along Round Valley Rd., 10.8 miles west of its junction with Toomes Camp Rd., in Mendocino National Forest; Comment
  CHSC90913  Cryptantha simulans Niall McCarten; Roxanne Bittman 1986-6-15 5438 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid,' S side Rd. 25N29. 2011 Comment
  RSA26598  Cryptantha torreyana Alice Eastwood, J. T. Howell 1941-7-9 9771 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  RSA90796  Cryptantha torreyana Milo S. Baker, H. K. Wagnon 1953-7-12 2844 a Tehama Above Whitlock Camp in open forest along County Road somewhere from 3 miles to 6.1 miles from camp. 1524 Comment
  UC1010378  Cryptantha torreyana Milo S. Baker and H. K. Wagnon 1953-7-12 12911 Tehama w of Paskenta (near 15 mi post, w Tehama County) 1219 Comment
  UCSB17377  Cryptantha torreyana Wilken, Dieter; Haller, John; Langford, A. 1968-9-11 Tehama Ides Cove at the base of Mt. Linn (South Yolla Bolly Peak) 2133 Comment
  JEPS124018  Cryptantha torreyana var. torreyana Lowell Ahart, John Dittes 2015-8-5 20456 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
  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
  JEPS118010  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
  UC124530  Cuscuta indecora T. S. Brandegee 1892-9-20 Tehama Yolo Bolo Mt. Comment
  CHSC66563  Cuscuta pentagona Vernon H. Oswald; Lowell Ahart 1996-7-8 7981 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Creek at the former bridge site at the W end of the gravel road. 97 Comment
  JEPS88307  Cynodon dactylon Vernon H. Oswald and Lowell Ahart 1996-5-20 7605 Tehama BLM parcel along hwy 36 ne Red Bluff (along Paynes Creek); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 158 Comment
  UC1037389  Cynoglossum occidentale Douglas Barbe 1955-7-22 249 Tehama ca. 1/8 mi. w. Square Lake (along trail to Long Lake); w. Tehama Co. 2103 Comment
  UC1051541  Cynoglossum occidentale Helen K. Sharsmith 1953-6-24 4351 Tehama rd. to Ball Rock 4.5 mi. above Patton Mill; Inner North Coast Ranges, Mendocino Nat'l Forest 1828 Comment
  CHSC64579  Cynosurus echinatus Vernon H. Oswald; Lowell Ahart 1995-4-10 6637 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. Along ridge crossing the ne corner of the reserve. 225 Comment
  CHSC88983  Cynosurus echinatus A. Peterson 2003-4-19 48 Tehama Sacramento River Bend Area (BLM) off Jellys Ferry Rd, about 7 mile NNE of Red Bluff. Yana Trail--Perry Riffle trailhead. UTM: between 570200E, 4460600N and 527300E, 4461300N. Comment
  HSC9515  Cynosurus echinatus Larry Berti 1968-6-20 Tehama Red Bluff Comment
  CHSC113025  Cyperus difformis Lowell Ahart 2013-8-2 18980 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
  CHSC40798  Cyperus difformis Pauleen Broyles 1982-8-5 825 Tehama The Nature Conservancy Vina Plains Preserve. Irrigation ditch. Just s of Lassen Road. 60 Comment
  RSA768920  Cyperus difformis L. Ahart, John Dittes 2010-10-4 17286 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 air miles east of the Sacramento River, 3.4 air miles southeast of Los Molinos (High School), 3 air miles northwest of Vina. 58 Comment
  CHSC88268  Cyperus eragrostis Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11185 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
  JEPS64107  Cyperus eragrostis W. L. Jepson 1927-6-25 12355 Tehama Pine Creek rd. station 60 Comment
  JEPS97408  Cyperus eragrostis Vernon H. Oswald and L. Ahart 1995-6-13 6845 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
  UC704292  Cyperus eragrostis Frank A. Pitelka 1943-6-15 202 Tehama 2 mi. s.e. Beegum 502 Comment
  JEPS104233  Cyperus flavescens Lowell Ahart, John Dittes 2003-9-17 10594 Tehama 5 air mi SE of Los Molinos (Deer Creek, S side, 400 yds E of Hwy 99) 60 Comment
  JEPS120781  Cyperus fuscus Lowell Ahart 2013-9-17 19047 Tehama Silt on high area below the high water line of Black Butte Reservoir, about 1.5 miles SW of the dam, about 12 air miles NW of Orland. Comment
  JEPS64103  Cyperus niger W. L. Jepson 1929-9-27 15286 Tehama Manton Comment
  CHSC66509  Cyperus squarrosus Vernon H. Oswald; Lowell Ahart 1996-5-20 7604 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. In a flood channel along Paynes Creek. 158 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
  RSA112907  Cypripedium fasciculatum D. V. Hemphill 1957-8-22 s.n. Tehama Harvey Creek, about 5 miles north of South Yolla Bolly Peak 1067 Comment
  CHSC83075  Cypselea humifusa Lowell Ahart 2002-11-5 10015 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
  HSC95686  Cystopteris fragilis Vernon H. Oswald, L. Ahart 1997-7-7 8711 Tehama USFS Rd. 35 at branch of the S Fork of Beegum Creek, 0.4 mi. W of Rat Trap Gap, N side of the Yolla Bolly-Middle Eel Wilderness 1707 Comment
  RSA66354  Dactylis glomerata P. A. Munz 1951-7-27 16966 Tehama south base of South Yolla Bolly Mts. 2134 Comment
  UCD138007  Damasonium californicum Robert E. Preston 1997-5-29 1032 Tehama around 5 miles northeast of Red Bluff at Hog Lake. 263 Comment
  CAS-BOT-BC192286  Danthonia californica John Thomas Howell 1960-8-18 36023 Tehama Bluff Falls 1981 Comment
  CHSC56997  Darmera peltata Steven Triano 1988-4-17 79 Tehama Along the bank of Big Chico Creek e of Hwy. 32 ca 15.6 mi n of Forest Ranch. 1048 Comment
  UC1237937  Darmera peltata John Weiler and A. P. Nelson May 26 1961-May 29 1961 61242 Tehama opposite Elam Creek Public Camp (along State Hwy 32, in margins of Elam Creek); Elam Creek Comment
  CHSC55802  Delphinium decorum subsp. tracyi Vernon Oswald 1986-5-23 2039 Tehama Round Valley Rd. (M4) 1.3 mi w of the crossroad between Dead Mule Camp and Log Springs Station. 1615 Comment
  RSA116075  Delphinium hansenii E. K. Balls, Lee W. Lenz 1955-5-14 20722 Tehama 5.6 miles SW of Payne's Creek along Hwy 36, Lake Almanor to Payne's Creek. 213 Comment
  CHSC118480  Delphinium hesperium subsp. hesperium Don Lepley 2016-5-15 Tehama Lassen National Forest. Almanor Ranger District. On mildly sloping bench ~70 yards south of Plum Creek; 1.4 air miles south-southeast of town of Paynes Creek. 601 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
  CAS-BOT-BC9909  Delphinium nudicaule Ira L. Wiggins 1925-3-26 1547 Tehama Above the gorge on Mill Creek. Comment
  CAS-BOT-BC9910  Delphinium nudicaule Ira L. Wiggins 1925-3-26 1547 Tehama Above the gorge on Mill Creek. Comment
  CHSC102466  Delphinium nudicaule L. P. Janeway; B. Castro 2009-4-25 9738 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
  CAS-BOT-BC9911  Delphinium nudicaule John Wynn Gillespie; Doris Kildale Gillespie 1930-5-14 9393 Tehama Between Payne's Creek and Mineral on Red Bluff-Susanville Road Comment
  CHSC118203  Delphinium nudicaule Tim Kask 2016-4-7 260 Tehama Antelope Creek, from Fischer CG. Near creek bank. 10T 0597252/4455584 Comment
  HSC1847  Delphinium nudicaule Larry Berti 1969-3-19 32 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
  RSA93139  Delphinium nuttallianum Milo S. Baker, H. K. Wagnon 1953-6-21 12778 Tehama Logging road W of Paskenta at Henderson's Canyon. 1524 Comment
  CHSC107096  Delphinium variegatum M. Mitchell 2010-4-6 31 Tehama Dye Creek Preserve. 135 Comment
  CHSC52943  Delphinium variegatum J. D. Jokerst 1981-4-10 1295 Tehama Wurlitzer Ranch; ca 20 m north of Zimmershed Creek. Due north of Wurlitzer House =Bell Ranch. Comment
  RSA298003  Delphinium variegatum V. Bailey 1938-4-16 s.n. Tehama 4 miles W of Paskenta on Paskenta Covelo Road Comment
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  UCD96613  Delphinium variegatum Joseph M. DiTomaso 1976-3-28 370 Tehama 1.5 miles north of Butte County line on Highway 99.; vernal pool area, open field. 112 Comment
  CHSC55309  Deschampsia danthonioides L. P. Janeway 1991-5-11 3955 Tehama Battle Creek Wildlife Area. About 1/4 mi south of Battle Creek; ca 1 1/2 mi east of the Sacramento River. Edges of dry vernal pool. 169 Comment
  CHSC65002  Deschampsia danthonioides Vernon H. Oswald; Lowell Ahart 1995-7-12 7020 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 margins of a pond. 1158 Comment
  CHSC66124  Deschampsia danthonioides Vernon H. Oswald; Lowell Ahart 1996-4-29 7469 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Along the edge of the intermittent stream near the W boundary. 103 Comment
  JEPS68491  Deschampsia danthonioides W. L. Jepson 1899-4-30 Tehama Red Bluff Comment
  SEINET11682821  Deschampsia danthonioides A. K. Bos 1978-1 15 Tehama ca 10 mi NE of Red Bluff 140 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
  UC1949070  Descurainia incisa subsp. incisa Barbara Ertter with Brad Olson 1991-7-6 10426 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
  CHSC60368  Dicentra formosa Mary Ann Showers 1992-6-26 2579 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works entrance station. 1828 Comment
  HSC87444  Dicentra formosa Clare R. Wheeler, Gladys L. Smith 1980-6-17 1757 Tehama Mendocino National Forest, NE of Anthony Peak, 1 mi. N of Wells Cabin Campground, just over line into Tehama Co. 1890 Comment
  UCD81614  Dicentra formosa Collector Unknown 1940-4-4 s.n. Tehama Tehama County. Comment
  CAS-BOT-BC402486  Dicentra formosa subsp. formosa Alice Eastwood; John Thomas Howell 1941-7-9 9829 Tehama Near Government Flat Comment
  HSC2096  Dichelostemma capitatum subsp. capitatum Larry Berti 1969-3-15 23 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from dam 213 Comment
  SEINET10533982  Dichelostemma multiflorum A. Arthur Heller 1927-5-8 Heller 14368 Tehama Clay soil in fields near Vina the region where Hartweg collected the type. Comment
  CHSC56819  Dichelostemma volubile B. Garamendi 1974-5-11 32 Tehama Mill/Deer Creek Study Area. Peligreen Jeep Trail; 100 yds W of Black Oak Grove sign. 853 Comment
  UC1873702  Dichelostemma volubile Barbara Ertter with Brad Olson 1993-5-15 11763 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
  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
  CAS-BOT-BC153331  Diplacus layneae R. C. Barneby 1954-5-15 11493 Tehama 1 1/2 mi. w. of Paynes Creek 518 Comment
  CAS-BOT-BC154014  Diplacus torreyi A. A. Heller 1938-6-22 15176 Tehama Along Highway #36 near Deer Creek Lodge 1463 Comment
  CAS-BOT-BC154016  Diplacus torreyi Mrs. H. P. Bracelin 1932-7-23 667 Tehama Mt. Lassen road, 4 miles north of Mineral 1676 Comment
  CHSC107353  Diplacus tricolor Lowell Ahart; John Dittes 2011-6-9 17439 Tehama Rio De Los Molinos Land Grant. On the bottom of a small vernal pool, 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) north of Vina. 80 Comment
  CHSC68974  Disporum hookeri Vernon Oswald; Lowell Ahart 1997-7-7 8698 Tehama Forest Route 35 at Cedar Creek near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. 1066 Comment
  CHSC13890  Dodecatheon clevelandii subsp. patulum J. F. Goodwin 1972-3-4 250 Tehama 2.6 mi e on Vina road from hwy 99 to Reed Orchard Road; 0.8 mi e on Reed Orchard Road in cow pasture. Comment
  CHSC65676  Dodecatheon clevelandii subsp. patulum Vernon H. Oswald; Lowell Ahart 1996-3-18 7233 Tehama Hog Lake Plateau. BLM parcel. Between the Sacramento River and the power transmission lines, ca. 0.75 mi N of the S boundary of the parcel. Locally abundant in open grassland and open blue oak savanna throughout the parcel. 182 Comment
  UCD118825  Dodecatheon clevelandii subsp. patulum Roman Gankin; W. R. Hildreth 1966-3-16 711 Tehama On Toomes Camp Road, 3.3 miles west of Paskenta. Comment
  CHSC82607  Dodecatheon hendersonii Tara Morgan 2002-3-31 9 Tehama In Ishi Wilderness within Lassen National Forest. Found near the trail that runs parallel to Mill Creek on the south. 682 Comment
  SEINET198078 Image available Dodecatheon hendersonii Louise Kellogg 1952-7-14 44 Tehama Mendocino National Forest; Square Lake Trail from Ovenlid toward South Yolla Bolly Mountain. 1829 Comment
  CHSC41094  Dopatrium junceum Pauleen Broyles 1982-7-27 809 Tehama Standing or slow-moving water of irrigation ditch ca 100 m south of Lassen Road. The Nature Conservancy Vina Plains Preserve. 66 Comment
  CHSC33358  Downingia bella Larry Phillips 1980-4-24 12 Tehama 15 mi n of Chico. 30 ft w of jct. of Hwy 99 and Haille Rd. N edge of road. 54 Comment
  CHSC79975  Downingia bella B. Castro; L. P. Janeway 2000-5-11 1165 Tehama Vicinity of Orland and Black Butte Lake. 88 Comment
  JEPS118009  Downingia bella Lowell Ahart, John Dittes 2011-6-9 17449 Tehama Rio De Los Molinos Land Grant. Bottom 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
  CHSC40710  Downingia bicornuta Pauleen Broyles 1982-4-28 478 Tehama The Nature Conservancy Vina Plains Preserve. Wallow in bed of irrigation ditch below holding dam. 65 Comment
  POM203174  Downingia bicornuta Alice Eastwood, J. T. Howell 1934-4-21 1844 Tehama 5 miles S of Cottonwood. Comment
  UC1586621  Downingia bicornuta var. bicornuta Vernon H. Oswald and Lowell Ahart 1991-5-9 4558 Tehama ca 6.5 mi nne Red Bluff (ca 1.5 mi ne of the Bend Bridge over the Sacramento River, Paynes Creek Recreation Area, ca 0.5 mi sse of the entrance kiosk); Paynes Creek Recreation Area 112 Comment
  CHSC64607  Downingia cuspidata Vernon H. Oswald; Lowell Ahart 1995-4-17 6648 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 Dales Lake and the w boundary of the reserve. 213 Comment
  JEPS119638  Downingia cuspidata Lowell Ahart 2012-6-2 18148 Tehama On the east side of Long Road, about 6.7 miles northeast of Dales and State Highway 36, northeast of Red Bluff. Comment
  JEPS94819  Downingia cuspidata Vernon H. Oswald and Lowell Ahart 1998-4-27 8977 Tehama Vestal Road 4.9 mi w of its junction Cannon, Pettyjohn, and Reeds Creek Roads, w of Red Bluff and s of Highway 36 Red Bluff; Vestal Road 292 Comment
  UC596434  Downingia cuspidata R. F. Hoover 1937-5-19 2289 Tehama s of Red Bluff (Coyote Creek bridge); Coyote Creek Comment
  CHSC40712  Downingia ornatissima Pauleen Broyles 1982-4-28 464 Tehama The Nature Conservancy Vina Plains Preserve. In an internal drainage which feeds a small vernal pool ca 50 meters s of Lassen Road and 100 meters e of an irrigation ditch. Comment
  JEPS96016  Downingia ornatissima var. ornatissima Vernon H. Oswald and Lowell Ahart 1996-4-29 7466 Tehama n.w. Corning (CDFG parcel on s. side of Gyle Rd.); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 103 Comment
  JEPS105161  Downingia pusilla Dean W. Taylor 1995-4-28 14850 Tehama Stony Creek, vernal pool area north of Roger Road (ca. 10 air miles SW of Corning) 106 Comment
  CHSC55199  Draba verna var. aestivalis L. P. Janeway 1991-3-28 3857 Tehama Battle Creek Wildlife Area. In ravine draining into Battle Creek; 1 1/2 mi east of the Sacramento River. Bottom of ravine. 152 Comment
  JEPS27435  Drosera rotundifolia Jos. Grinnell 1925-7-30 Tehama Mineral 1463 Comment
  CHSC102799  Drymocallis glandulosa var. glandulosa 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
  CAS-BOT-BC527351  Drymocallis glandulosa var. reflexa Alice Eastwood; John Thomas Howell 1941-7-9 9708 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  UCD136422  Dryopteris arguta Dean W. Taylor 1976-7-9 6041 Tehama At headwaters of Cub Creek. 1859 Comment
  JEPS127108  Dysphania botrys Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21367 Tehama A little south of Buff Falls, about 1 mile south of Lassen Volcanic National Park, about 2 1/2 miles (air) north of Morgan Mountain, Comment
  CHSC88296  Dysphania pumilio Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11214 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
  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
  CHSC117415  Echinochloa colona B. Castro; E. MacKinnon and B. Humphrey 2016-7-13 2143 Tehama Sacramento Valley. In bottom of Elder Creek Channel, ca 3.6 air mi upstream (NW) of its confluence with the Sacramento River and 280 ft W of the Hwy 99W bridge. 73 Comment
  CHSC117641  Echinochloa colona Lowell Ahart; John Dittes 2016-8-25 21284 Tehama About 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 Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  JEPS105964  Echinochloa muricata Lowell Ahart 2004-6-28 11129 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta 213 Comment
  CHSC116226  Echinodorus berteroi Lowell Ahart; John Dittes 2015-6-22 20259 Tehama Drying strand of a man made pond, about 1/4 mile north 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
  CHSC66029  Elatine californica Vernon H. Oswald 1996-5-13 7554 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. 105 Comment
  JEPS118005  Elatine californica Lowell Ahart, John Dittes 2011-6-9 17448 Tehama Rio De Los Molinos Land Grant. In shallow water or on wet bare sandy soil, bottom 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) north of Vina 80 Comment
  CHSC40809  Elatine heterandra Pauleen Broyles 1982-5-21 647 Tehama 60 Comment
  CHSC64908  Elatine heterandra Vernon H. Oswald; Lowell Ahart 1995-6-13 6848 B 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. 219 Comment
  JEPS95715  Eleocharis acicularis Vernon H. Oswald and L. Ahart 1995-6-13 6846 Tehama T29N R2W NE1/4 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
  UCD18768  Eleocharis acicularis Vernal Pool Team 2001; Carol Witham and Jennifer Buck 2001-4-13 61 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
  CHSC88519  Eleocharis erythropoda Jenny Marr; L. P. Janeway, B. Castro, Caroline Warren 1999-8-11 Tehama Vicinity of South Fork Cottonwood Creek, Long Gulch, and Cooks Ridges. Along creek. 335 Comment
  CHSC111137  Eleocharis macrostachya Lowell Ahart 2012-6-2 18150 Tehama In a small pond or vernal pool, on the east side of Long Road, about 6.7 miles northeast of Dales and State Highway 36, northeast of Red Bluff. 326 Comment
  CHSC66586  Eleocharis macrostachya Vernon H. Oswald; Lowell Ahart 1996-7-8 7969 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. On the rocky flood plain of Paynes Creek E of the mouth of the intermittent stream crossing the NE corner of the parcel. 158 Comment
  CHSC77397  Eleocharis macrostachya L. P. Janeway; B. Castro 1999-6-24 6481 Tehama Along the south edge of South Fork Cottonwood Creek. 335 Comment
  CAS-BOT-BC112781  Eleocharis macrostachya R. E. Frenkel 1964-7-11 693 Tehama On CA Hwy 36, immediately west of Mineral Lidge. 1463 Comment
  CDA38997  Eleocharis parishii L. P. Janeway & B. Castro 2000-4-21 6671 Tehama High Cascade Range; Large springy area on north side of Mill Creek 1.9 km east-northeast of Black Rock and Ponderosa Way. Comment
  JEPS19322  Eleocharis parishii W. L. Jepson 1929-9-27 15282 Tehama Manton 853 Comment
  RSA67183  Eleocharis quinqueflora Phillip A. Munz 1951-7-25 16854 Tehama Square Lake, north base of South Yolla Bolly Mountains 2134 Comment
  JEPS85646  Eleocharis radicans L. R. Heckard and P. Rubtzoff 1971-7-31 2678 Tehama just n.e. Red Bluff (land-locked lagoon off the Sacramento R.) Comment
  JEPS95181  Elodea canadensis Vernon H. Oswald and Lowell Ahart 1996-6-3 7711 Tehama BLM parcel along Hwy 36 ne of Red Bluff (along Paynes Creek 0.5 mi downstream from old bridge site, Cascade Range Foothills, Hog Lake Plateau); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 100 Comment
  CAS-BOT-BC237631  Elymus X saundersii John Thomas Howell 1960-8-18 36086 Tehama Lassen Volcanic National Park. Sulphur Works Checking Station 2011 Comment
  UCD61550  Elymus elymoides V. P. Osterli 1950-5-24 Tehama Tehama County. Comment
  JEPS98967  Elymus elymoides subsp. californicus Lowell Ahart 2001-6-8 8806 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  UC1131681  Elymus glaucus H. S. Yates 1936-8-12 6096 Tehama 2 mi w Mineral Summit Comment
  UC523871  Elymus glaucus C. R. Ball 1932-7-23 656 Tehama 21 mi w Mineral; Paine's Creek Comment
  SEINET191116  Elymus glaucus subsp. glaucus A. A. Beetle 1941-6-27 2750 Tehama 20 miles northeast of Lomo route 32 banks above Deer Creek 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
  HSC74985  Elymus multisetus J. P. Smith, Thomas W. Nelson 1979-6-25 10200 Tehama Shasta-Trinity National Forest, 1 mi. from Tedoc Gap on the road to Hwy. 36 1402 Comment
  JEPS88251  Elymus multisetus Vernon H. Oswald and Lowell Ahart 1996-5-20 7594 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (upper bank of intermittent stream near Paynes Creek, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 158 Comment
  UCD62610  Elymus stebbinsii subsp. septentrionalis August L. Hormay 1929-6-14 Tehama 1 mile West of Devils Den, Campbellville. 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
  CHSC75298  Enemion occidentale Vernon H. Oswald; Lowell Ahart 1999-4-21 9694 Tehama High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake. On banks along the trail near the trailhead. 838 Comment
  CAS-BOT-BC165907  Epilobium John M. Tucker 1959-7-19 3567 Tehama Southeast side of South Yolla Bolly Mountain, ca. 1/2 mi. east of Ides Cove 2133 Comment
  CHSC84899  Epilobium brachycarpum L. P. Janeway 2003-9-18 7993 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
  CHSC109234  Epilobium campestre Robert Fischer 2012-6-3 1058 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, adjacent to seasonal farm pond. 57 Comment
  CHSC113255  Epilobium campestre Lowell Ahart; John Dittes 2014-5-18 19519 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
  JEPS38192  Epilobium campestre W. L. Jepson 1927-6-25 12350 Tehama Pine Creek road sta. 60 Comment
  JEPS102646  Epilobium canum subsp. latifolium Lowell Ahart 2001-8-28 9183 Tehama Along a small dry stream, on the east side of Highway 32 and SE of the intersection with road 390 - G of Sierra Pacific Industries, about 4 miles by road south of bridge across Deer Creek. 1219 Comment
  JEPS105965  Epilobium ciliatum subsp. ciliatum Lowell Ahart 2004-6-28 11128 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta 213 Comment
  JEPS108869  Epilobium ciliatum subsp. glandulosum Lowell Ahart 2006-7-25 13076 Tehama In a small meadow on the west side of the 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
  OBI12159  Epilobium cleistogamum Robert F. Hoover 1968-5-29 11132 Tehama 4 mi SE of Vina Comment
  UC1392746  Epilobium cleistogamum R. F. Hoover 1968-5-29 11132 Tehama 4 mi se Vina Comment
  CHSC84287  Epilobium densiflorum Lowell Ahart; John Dittes 2003-6-11 10246 A 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
  JEPS104057  Epilobium densiflorum Lowell Ahart 2003-6-11 10246 -A 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
  JEPS104058  Epilobium densiflorum Lowell Ahart 2003-6-11 10246 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
  JEPS39343  Epilobium glaberrimum subsp. glaberrimum W. L. Jepson 1927-6-23 12322 Tehama Morgan Sprs. 1524 Comment
  JEPS95477  Epilobium glaberrimum subsp. glaberrimum Lowell Ahart 1994-7-24 7512 Tehama 1 1/4 air miles N of Jonesville (E side of Willow Creek, 100 yds. N of the dirt road) 1615 Comment
  CHSC65061  Epilobium hallianum Vernon H. Oswald; Lowell Ahart 1995-7-17 7082 Tehama High Cascade Range. Forest Road 30N16 0.5 mi N of Hwy. 36, ca. 2 mi NE of Mineral. In a meadow. 1572 Comment
  UC1019529  Epilobium hallianum Louise Kellogg 1952-7-9 11 Tehama on ridge near Squaw Camp and Pole Corral (directly s of South Yolla Bolly Mt.) - North Coast Ranges, Mendocino National Forest, Boswell Ridge Comment
  UC1019544  Epilobium hallianum Louise Kellogg 1952-7-15 54 Tehama on ridge near Squaw Camp and Pole Corral (directly s of South Yolla Bolly Mountain); North Coast Ranges Mendocino National Forest, Boswell Ridge 2133 Comment
  UC505329  Epilobium hallianum Mrs. H. P. Bracelin 1932-7-23 663 Tehama n side of buildings Mineral 1524 Comment
  UCD106482  Epilobium hallianum John M. Tucker 1951-6-28 2152 Tehama East side of Anthony Peak. 1950 Comment
  RSA67185  Epilobium hornemannii subsp. hornemannii P. A. Munz 1951-7-25 16857 Tehama Square Lake, north base of South Yolla Bolly Mountains 2134 Comment
  CHSC82307  Epilobium minutum Lowell Ahart 2002-4-27 9569 Tehama Near a wash and a large rock outcrop, about 100 yards from the east side of Road M2 and 20 yards east of the poor dirt road used to service the pole line, about 350 yards northwest of the dirt road that leads to the tower, about 8 miles west of Paskenta. 609 Comment
  CHSC61432  Epilobium obcordatum Vernon H. Oswald; Lowell Ahart 1993-8-18 5828 Tehama Lassen Volcanic National Park. Summit ridge of Mt. Conard near the S boundary of the park. At the N end of the ridge. 2468 Comment
  CHSC48617  Epilobium pallidum Vernon Oswald 1986-6-27 2159 Tehama Long Rd. (A6) 5.8 mi ne of Dales, 2.8 mi sw of jct. Lanes Valley Rd. In vernal pool. 304 Comment
  CHSC96678  Epilobium pallidum Lowell Ahart; John Dittes, Andrea Craig 2007-5-13 13832 Tehama Bottom of a shallow vernal pool or swale, about 120 feet east 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
  RSA795889  Epilobium pallidum L. Ahart 2012-6-2 18145 Tehama East side of Long Road, about 6.7 miles northeast of Dales and State Highway 36, northeast of Red Bluff. 326 Comment
  CHSC41016  Epilobium torreyi Pauleen Broyles 1982-5-6 553 Tehama The Nature Conservancy Vina Plains Preserve. .75 km s of Lassen Road in central pasture. 70 Comment
  CHSC56962  Equisetum arvense Steven Triano; Stefani Eiben 1988-5-7 155 Tehama Behind Mineral General Store. 1536 Comment
  CHSC105220  Equisetum hyemale subsp. affine Lowell Ahart; John Dittes 2010-7-19 16896 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
  JEPS106112  Equisetum laevigatum Lowell Ahart 2004-6-11 11023 Tehama On S edge 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
  CAS-BOT-BC204515  Eragrostis cilianensis J. H. Thomas 1965-8-13 11433 Tehama In the center of Corning Comment
  JEPS68589  Eragrostis cilianensis Chas. B. Weeks before Oct. 1913 Tehama Red Bluff Comment
  UC585488  Eragrostis cilianensis Virginia E. Long 1931-8-14 101 a Tehama Richfield Colony <?> mi n Corning 79 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
  JEPS97294  Eremocarpus setiger Vernon H. Oswald and L. Ahart 1995-6-13 6852 Tehama T29N R2W NE1/4 NW1/4 Sec. 26, 700 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 213 Comment
  CHSC89614  Eriastrum tracyi Jenny Marr; Julie Cunningham, Heidi West, Natalie Wight 1998-7-6 Tehama Vicinity of South Fork Cottonwood Creek. South-facing tributary of main creek. 304 Comment
  UC196664  Ericameria bloomeri C. Hart Merriam and Vernon Bailey 1916-10-1 Tehama below top on s slope Yolla Bolla Comment
  UC572334  Ericameria bloomeri P. L. Johannsen 1936-8-20 986 Tehama 0.5 mi ne Colby Mountain; Lassen National Forest, Paynes Creek Quad. 1706 Comment
  CHSC32158  Ericameria greenei James Jokerst 1980-8-22 1104 Tehama North Coast Ranges. Near Mt. Linn. Comment
  CHSC32818  Ericameria linearifolia Brian H. McMurtry 1979-4-7 1 Tehama Ca. 2mi. se of Paskenta on Round Valley Rd. Comment
  JEPS29561  Ericameria nauseosa var. speciosa John Thomas Howell 1960-8-21 36311 Tehama 1/2 mi se of Sulphur Works; Lassen Volcanic National Park 2133 Comment
  UC87262  Ericameria nauseosa var. speciosa T. S. Brandegee 1892-9-20 Tehama Yolla Bolly Mt. Comment
  HSC81837  Ericameria ophitidis Thomas W. Nelson, Jane P. Nelson, R. J. Cole 1979-7-27 5055 Tehama Along ridge at Pole Corral Gap 1311 Comment
  UCD131430  Ericameria ophitidis D. W. Taylor; G. L. Stebbins, L. Heckard 1972-6-18 1513 Tehama Tedoc Mt. 1371 Comment
  UCD149550  Ericameria ophitidis G. L. Stebbins 1972-8-18 s.n. Tehama Ridge west of Little Red Mountain, near Pole Corral Gap. (Exact location unknown. Coordinates estimated by label maker.) 1249 Comment
  HSC75382  Erigeron compositus J. O. Sawyer, K. A. Sawyer 1980-6-18 3449 Tehama S of N Yolla Bolly Peak. 2348 Comment
  CHSC57345  Erigeron divergens B. G. Clark 1987-4-6 15 Tehama 3.1 mi east on Hogsback Rd approx 4 mi east of Red Bluff on hwy 99 and 1 mi east of hwy 36 jct with 99. 243 Comment
  SEINET8667557 Image available Erigeron inornatus var. inornatus D. E. Lepley 2006-7-7 s.n. Tehama Northwest flank of Colby Mountain. Take Road 27N06 4.3 miles east from Highway 32 (junction less than a mile south of highway's lowest Deer Creek crossing). 1487 Comment
  CAS-BOT-BC295478  Erigeron lassenianus var. lassenianus G. Ledyard Stebbins; Walter Knight; Irja Knight 1968-7-6 2563 Tehama Government Flat 1783 Comment
  CHSC64943  Erigeron reductus var. angustatus Vernon H. Oswald; Lowell Ahart 1995-7-12 7028 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
  CHSC66134  Eriodictyon californicum Vernon H. Oswald; Lowell Ahart 1996-5-6 7531 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On a grassy slope above Paynes Creek. 182 Comment
  CHSC88932  Eriodictyon californicum Pat Sater 2001-4-7 Tehama Tehama Wildlife Area. 50 yds southwest of the walkthrough into Sect. 33. UTM: 10 0587821 E, 4445463 N. 489 Comment
  UCD119310  Eriodictyon lobbii Dean W. Taylor 1976-7-9 6060 Tehama Headwaters of Cub Cr. 1859 Comment
  UCD77647  Eriogonum compositum Robert E. Preston 2005-6-18 2356 Tehama Ca. 12.5 mi W of Paskenta, along Round Valley Rd 860 Comment
  RSA158043  Eriogonum compositum var. compositum J. M. Tucker, L. K. Mann 1959-7-19 3550 Tehama On ridge ca. 1/4 mile east of summit of South Yolla Bolly Mountain 2378 Comment
  RSA66987  Eriogonum compositum var. compositum P. A. Munz 1951-7-25 16889 Tehama Square Lake, north base of South Yolla Bolly Mountains 2134 Comment
  RSA90787  Eriogonum compositum var. compositum Milo S. Baker, H. K. Wagnon 1953-7-11 12838 Tehama 3 miles beyond Whitlock Camp. 1524 Comment
  CAS-BOT-BC242616  Eriogonum dasyanthemum Alice Eastwood; John Thomas Howell 1941-7-9 9757 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CHSC48657  Eriogonum dasyanthemum Vernon Oswald 1983-7-12 847 Tehama Beside Round Valley Rd. (M4; 23N02); 12.5 mi w of its jct. with Garland Rd. 1234 Comment
  UC1299723  Eriogonum dasyanthemum Freed W. Hoffman 1947-6-22 1621 Tehama Paskentao-Covelo road near Log Springs Comment
  UC1618385  Eriogonum dasyanthemum Barbara Ertter 1991-9-2 10792 Tehama 8 air mi w of Paskenta (8.8 mi w of Newville Road jct, Round Valley - Paskenta Road (Rt M4)); Round Valley - Paskenta Road 914 Comment
  RSA756716  Eriogonum dasyanthemum Barbara J. Ertter, Brad Olson 1991-7-4 10183 Tehama Toomes Camp Road (Mendocino FR 23N01) 5.3 miles west of Paskenta, about 22 air miles west of Corning. 457 Comment
  RSA90844  Eriogonum dasyanthemum Milo S. Baker, H. K. Wagnon 1953-5-31 12712 Tehama Logging road west of Paskenta near 5 mile post. Comment
  HSC74830  Eriogonum libertini J. P. Smith, Thomas W. Nelson 1978-7-22 10019 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  JEPS76659  Eriogonum libertini L. R. Heckard 1972-6-17 2695 Tehama nw side of Tedoc Mt., along new road around w of of mountain Tedoc Mt. 1280 Comment
  NY323374  Eriogonum libertini J. L. Reveal 1978-7-19 4788 Tehama Inner Coast Range, along Tedoc Road 11.4 miles south of California Highway 36 (Beegum Road) and 0.9 mile north of Tedoc Gap 1386.8 Comment
  SEINET7545225  Eriogonum libertini J. L. Reveal 1978-1 4788 Tehama Inner Coast Range, along Tedoc Road 11.4 mi. S. of California Hwy 36 (Beegum Road) and 0.9 mi. N of Tedoc Gap 1387 Comment
  RSA158044  Eriogonum lobbii var. lobbii J. M. Tucker, L. K. Mann 1959-7-19 3548 Tehama ca 75 feet below summit, South Yolla Bolly Mountain 2444 Comment
  SD22380  Eriogonum luteolum Susan G. Stokes 1932-7-15 Tehama So. of Red Bluff Comment
  JEPS56152  Eriogonum luteolum var. luteolum W. L. Jepson 1929-9-27 15281 Tehama stream bed in hills ne Red Bluff 243 Comment
  CHSC14101  Eriogonum nudum var. oblongifolium L. V. Ritter 1969-6-15 352 Tehama .4 mi w of Soda Springs Campground, 200 yds. s of Highway 32. Comment
  CHSC117156  Eriogonum nudum var. pubiflorum Lowell Ahart; John Dittes 2016-6-22 21024 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
  UC1949196  Eriogonum nudum var. pubiflorum Barbara Ertter with Brad Olson 1991-6-4 10184 Tehama Toomes Camp Rd (Mendocino FR 23N01) 5.3 mi W of Paskenta, ca 22 airmiles W of Corning Comment
  UCD100698  Eriogonum nudum var. pubiflorum Amelie C. Blyth 1950-7-15 s.n. Tehama midway between Paynes Creek and Mineral on Highway 36. Comment
  HSC95442  Eriogonum roseum L. Ahart, John Dittes 2003-9-17 10587 Tehama S side of Deer Creek about 400 yds. E of Hwy. 99, about 5 air mi. SE of Los Molinos 61 Comment
  CHSC67272  Eriogonum roseum var. roseum James D. Jokerst; Jeri Donovan 1981-9-30 1497 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
  CAS-BOT-BC269976  Eriogonum spergulinum var. reddingianum Catherine Best 1992-7-14 1388 Tehama On the Mendocino Pass Road near the Tehama Co. Mendocino Co. line Comment
  UC1002622  Eriogonum spergulinum var. reddingianum Milo S. Baker and H. K. Wagnon 1953-7-11 12831 Tehama 1.9 mi above Whitlock Camp 1371 Comment
  UCD101200  Eriogonum strictum var. anserinum Dean William Taylor 1972-6-17 s.n. Tehama on Tedoc Mountain. 1371 Comment
  HSC82437  Eriogonum strictum var. greenei Thomas W. Nelson, Jane P. Nelson, R. J. Cole 1979-7-27 5042 Tehama Along road from Regan Meadow to Brushy Mtn., 1 mi. NW of Regan Meadow 1433 Comment
  UC1609431  Eriogonum strictum var. greenei Vernon H. Oswald and Lowell Ahart 1993-9-2 5893 Tehama ridge running e Mt. Linn (ca. 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2346 Comment
  CAS-BOT-BC262771  Eriogonum strictum var. proliferum P. A. Munz 1951-7-26 16923 Tehama East flank of South Yolla Bolly Pk. 2316 Comment
  JEPS89606  Eriogonum tripodum Dean W. Taylor 1997-6-6 16027 Tehama along rd. from Campbellville to Baccalla Cabin (Lassen Nat'l Forest, on n. side of ridge in Sulphur Creek drainage, ca. 50 ft below rim); Sierra Nevada (nSNF), Devils Parade Ground 608C 7 1/2 Quad. 1005 Comment
  UC1731897  Eriogonum tripodum Dean W. Taylor 1997-6-6 16027 Tehama along rd. from Campbellville to Baccalla Cabin (Lassen Nat'l Forest, on n. side of ridge in Sulphur Creek drainage, ca. 50 ft below rim); Sierra Nevada (nSNF), Devils Parade Ground 608C 7 1/2 Quad. 1005 Comment
  RSA90832  Eriogonum tripodum Milo S. Baker 1953-7-11 12819 Tehama 3 miles beyond Whitlock Camp. 1524 Comment
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Jul 29 2009
  UC54219  Eriogonum ursinum H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4405 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  JEPS117399  Eriogonum vimineum Lowell Ahart, John Dittes 2010-10-4 17291 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
  CAS-BOT-BC308093  Eriophyllum lanatum var. achilleoides Clare B. Hardham 1971-8-10 18320 Tehama South Yolla Bolly Mountain 2133 Comment
  CHSC64944  Eriophyllum lanatum var. aphanactis Vernon H. Oswald; Lowell Ahart 1995-7-12 6999 Tehama Inner North Coast Ranges. W of Red Bluff and S of Plantina on Forest Route 45 (Tedoc Mtn. Rd.), 3.2 mi S of Hwy. 36. Roadside. 950 Comment
  CHSC80339  Eriophyllum lanatum var. grandiflorum Caroline Warren; Julie Cunningham, Heidi West 1998-5-14 Tehama Vicinity of upper North Fork Stony Creek. 243 Comment
  CHSC113317  Erodium botrys Lowell Ahart; John Dittes 2014-5-17 19501 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
  UC1023473  Erodium brachycarpum Milo S. Baker and H. K. Wagnon 1953-5-31 12728 Tehama a few mi e Paskenta (along highway from Corning, w Tehama County) Comment
  HSC27272  Erodium cicutarium J. P. Smith 1972-3-23 5104 Tehama 3.2 mi. N of the Tehama Co. line on Lassen Rd. adjacent to Hwy. 99 Comment
  RSA424710  Erodium moschatum Aaron Liston, M. Blumler 1987-4-24 656 -2 Tehama Hwy 36 between Dales and Paynes Creek; 1.9 miles E of Dales. Comment
  JEPS108201  Eryngium articulatum David Gowen 2005-6-25 469 Tehama Hwy 36 at Bossley Road near mile post 27 E from Shasta Co. N of driveways with mailboxes. Comment
  RSA771180  Eryngium articulatum Barbara Ertter, Brad Olson 1991-7-5 10291 Tehama 14.5 miles west of Red Bluff on Hwy 36 near Basler Rd. 244 Comment
  HSC93658  Eryngium castrense G. Fred Hrusa, J. Hart 1998-5-20 14422 Tehama Coyote Creek Conservation Area, ~1 mi W of Paskenta Rd., ridge above Coyote Creek wash 110 Comment
  UCD21180  Eryngium castrense Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-6-10 355 Tehama Hog Lake (BLM); Approximately 7 miles NE of Red Bluff on the N side of Highway 36. Comment
  UC1392808  Eryngium castrense R. F. Hoover 1968-5-27 11102 Tehama 10 mi. w. Corning Comment
  UC1034887  Erysimum capitatum G. B. and R. P. Rossbach 1938-7-20 891 Tehama exposed slopes just n Sulphur Works mud volcanoes; Lassen Volcanic National Park Comment
  CHSC27733  Erysimum capitatum var. capitatum W. K. Cheechov 1978-3-24 7 Tehama Ca. 220 ft nw of Pettyjohn Rd., 6.0 mi wsw of Reeds Creek Rd., 18.5 mi w of Red Bluff. 271 Comment
  JEPS53566  Erysimum capitatum var. capitatum W. L. Jepson 1899-4-27 178 e Tehama between Salt Creek and Gold Fork; Yolla Bolly Mountains, Winneshaw Comment
  CHSC89842  Erythranthe cardinalis Shirley Innecken; B. Castro 2001-6-11 Tehama Vicinity of Thomes Creek, Bennett Creek and Round Valley Rd. Near edge of Bennett Creek. 304 Comment
  CHSC88952  Erythranthe glaucescens A. Peterson 2003-4-19 57 Tehama Sacramento River Bend Area (BLM) off Jellys Ferry Rd, about 7 mile NNE of Red Bluff. Yana Trail--Perry Riffle trailhead. UTM: between 570200E, 4460600N and 527300E, 4461300N. Along water. Comment
  CHSC84390  Erythranthe guttata Lowell Ahart; John Dittes, Josephine Dittes 2003-8-23 10534 Tehama Along and in 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
  JEPS124012  Erythranthe moniliformis Lowell Ahart, John Dittes 2015-8-5 20466 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
  CAS-BOT-BC153599  Erythranthe moschata Susan W. Hutchinson 1933-7-23 5600 Tehama Near the Mineral entrance to Lassen National [Part] Park 1965 Comment
  UC505157  Erythronium californicum R. M. Holman 1933-4-23 Tehama about 5 mi e Beegum (on old road from Red Bluff) Comment
  SBBG990  Erythronium purpurascens H. and M. Dearing 1938-6-23 2120 Tehama 15 mi E of Mineral Comment
  CDA24551  Eschscholzia caespitosa Vernon H. Oswald & Lowell Ahart 1998-4-21 8930 Tehama Inner North Coast Ranges; Nomalaki Trail just north of Bennett Creek (trailhead on Log Springs Road (M4) uphill from Wilder Pond, west of Salt Creek Conservation Camp). Comment
  CAS-BOT-BC419481  Eschscholzia lobbii Elmer I. Applegate 1928-4-25 5384 Tehama Between Corning and Orland 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
  CHSC67259  Eschscholzia lobbii James D. Jokerst 1981-2-23 1249 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd. Growing along Zimmershed Creek located N. of Pine Creek. Comment
  POM272351  Eschscholzia lobbii Lyman Benson 1929-3-26 1058 Tehama 10 miles north of Red Bluff Comment
  CAS-BOT-BC310404  Eucephalus breweri John Thomas Howell 1960-8-19 36110 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2133 Comment
  CAS-BOT-BC310406  Eucephalus breweri John Thomas Howell 1960-8-19 36166 Tehama Lassen Volcanic National Park. Brokeoff Mt. 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
  CDA33320  Euphorbia oblongata Ed Finley & Dave Stoffel 2010-5-5 PDR# 1303787 Tehama In the vicinity of Los Molinos. In a field south of North Fork Mill Creek near Fox Street, west of State Route 99. 0 Comment
  RSA572323  Euphorbia ocellata var. rattanii Robert F. Hoover 1938-8-2 3725 Tehama 6 miles east of Newville Comment
  RSA93508  Euphorbia ocellata var. rattanii Milo S. Baker, Wagnon 1953-5-30 s.n. Tehama Logging road west of Paskenta near 5 mile post. Comment
  UCD104401  Euphorbia serpillifolia Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6863 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  CAS-BOT-BC310511  Eurybia integrifolia John Thomas Howell 1960-8-19 36130 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  CHSC95130  Eurybia radulina L. P. Janeway 2006-8-20 8857 Tehama High Cascade Range. Near head of Ninemile Creek, between Road 26N15 and the ridge top, 4.7 road km west of Soda Springs and Hwy 32; 1.1 air km west of Ike Dye Hill. Southeast-facing slope. 1253 Comment
  UC86938  Eurybia radulina T. S. Brandegee 1892-9-20 Tehama Yolo Bola Mt. 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
  UCD132328  Euthamia occidentalis Collector Unknown 1978-9-25 s.n. Tehama 2 miles south of the town of Tehama. Comment
  JEPS94576  Festuca californica Vernon Oswald and Lowell Ahart 1997-7-7 8684 Tehama Lookout Tomhead Mtn. (near ne corner of Yolla Bolly-Middle Eel Wilderness) 2057 Comment
  UCD66128  Festuca occidentalis A. A. Beetle 1941-6-27 2895 Tehama 10 miles northeast of Lomo, on rte. 32 banks above Deer Creek. Comment
  RSA93470  Festuca occidentalis Milo S. Baker, H. K. Wagnon 1953-7-12 12850 Tehama County Road, 3 to 6 miles beyond Whitlock Camp. 1524 Comment
  UCD66279  Festuca roemeri J. M. Tucker; L. K. Mann 1959-7-18 3537 Tehama South Yolla Bolly Mountain. 1920 Comment
  UC1019905  Floerkea proserpinacoides Milo S. Baker and H. K. Wagnon 1954-7-10 12981 Tehama e of County Road in rivulet 6.1 mi above Whitlock Camp (West Tehama County) 1828 Comment
  RSA93058  Floerkea proserpinacoides Milo S. Baker, H. K. Wagnon 1954-6-10 12981 Tehama East of County Rd. and 6-1/2 mi. above Whitlock Camp, in cut over coniferous forest. 1829 Comment
  CAS-BOT-BC447521  Fragaria virginiana var. platypetala Geo. B. Grant 1902-9-12 5196 Tehama Sisson Comment
  CAS-BOT-BC62951  Frangula californica subsp. crassifolia Elmer I. Applegate 1930-4-16 s.n. Tehama Mud Flat, Newville - Covelo road, southwestern tehama Co. Comment
  CHSC65116  Frangula rubra Vernon H. Oswald; Lowell Ahart 1995-7-31 7169 Tehama Cascade Range Foothills. ane Valley Rd. 1.5 mi N of Hwy. 36, N of Paynes Creek. 533 Comment
  HSC59868  Frangula rubra J. P. Smith, J. O. Sawyer 1971-5-22 4650 Tehama 22 mi. W of Mineral, along Hwy. 36 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
  UC1949133  Frasera speciosa Barbara Ertter with Brad Olson 1991-7-6 10425 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-BC223381  Fraxinus dipetala Doris Kildale Gillespie 1930-5-9 9280 Tehama 12 miles west of Payne's [Paynes] Creek on Susanville road Comment
  CHSC88544  Fraxinus dipetala Jenny Marr; Beth Hendrickson 1999-5-27 Tehama Vicinity of Grizzly Creek and Little Grizzly Creek. 304 Comment
  CHSC118385  Fraxinus dipetala Tim Kask 2016-4-27 266 Tehama Antelope Creek drainage, 'McClure Trail'. 10T 0598627/4458814 Comment
  CAS-BOT-BC212411  Fremontodendron californicum C. Hart Merriam 1907-9-18 s.n. Tehama Hills east of Payne Creek P.O. Comment
  HSC73390  Fremontodendron californicum Robert Kirkpatrick, Doug Renwick 1981-5-9 116 Tehama 2 mi. up Tedoc Mtn. Rd. off Hwy. 36 671 Comment
  RSA21709  Fremontodendron californicum Carl B. Wolf 1937-8-7 9069 Tehama Northern Sierra Nevada. Red Bluff - Susanville Road, 8 mi above Paynes Creek PO 915 Comment
  RSA40415  Fremontodendron californicum Philip A. Munz 1948-8-12 12343 Tehama Hwy 36 east of Red Bluff. 1098 Comment
  UC1326248  Fremontodendron californicum Milo S. Baker Aug. 1-4 1947 11997 Tehama Mineral - Red Bluff Highway 457 Comment
  SEINET6646743  Fremontodendron californicum B. Blincoe 1961-4-29 s.n. Tehama 25 miles east of Red Bluff 914 Comment
  OBI76946  Fremontodendron californicum subsp. californicum Anthony Baniaga 2011-6-12 349 Tehama CDFG: Tehama State WildlifeArea. Near intersection of Plum Crk Rd (202) and High Trestle Rd (28N23). Finley Butte quad. T28N R1E sec 9 NE of NE 785 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
  CHSC78107  Fritillaria pluriflora Terry Nelson 1998-3-6 240 -21 Tehama 15 mi n of Chico. 1 mi e of Hwy 99 and 20 yds s of Lassen Rd. 118 Comment
  RSA90808  Fritillaria purdyi H. K. Wagnon 1953-5-10 s.n. Tehama West of Paskenta on logging road near 10 miles post. Comment
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Jun 10 2012
  CAS-BOT-BC508141  Fritillaria recurva A. A. Heller 1918-4-28 s.n. Tehama Coast Range near Bennett Spring 914 Comment
  RSA113181  Fritillaria recurva E. K. Balls, Lee W. Lenz 1955-5-14 20719 Tehama State Highway 36, 1 mile west of Childs Meadows, Lake Almanor to Red Bluff 1067 Comment
  CHSC114629  Galium ambiguum V. Long 1991-7-16 130 Tehama Yolla Bolla Ranger District. South side of Round Mountian near summit. 1700 Comment
  POM304470  Galium ambiguum Alice Eastwood, John T. Howell 1941-7-9 9769 Tehama Log Spring Ridge between Log Spring and Government Flat. Comment
  RSA759805  Galium ambiguum subsp. ambiguum Barbara Ertter, Brad Olson 1991-7-4 10259 Tehama Toomes Camp/Ball Rock Road 16.1 miles west of Paskenta, 2 miles southeast of Kingsley Glade/Maxin junction about 28 air miles west of Corning. 1463 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
  SD70479  Galium ambiguum subsp. ambiguum Lauramay T. Dempster, G. Ledyard Stebbins 1964-6-13 3999 Tehama West of Paskenta and just south of Round Mountain 1143 Comment
  CHSC48877  Galium ambiguum var. ambiguum Vernon Oswald 1986-6-18 2120 Tehama Round Valley Rd. (M4) between Log Springs Station and the road to Grindstone Creek. 1524 Comment
  JEPS52789  Galium andrewsii subsp. andrewsii Lauramay T. Dempster and G. L. Stebbins 1964-6-13 4006 Tehama along road below Colyear Springs 1249 Comment
  JEPS88458  Galium aparine Vernon H. Oswald and Lowell Ahart 1996-4-8 7334 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (bluff on n. side of Sacramento R. just downstream from the mouth of Paynes Creek, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 91 Comment
  JEPS95679  Galium aparine Vernon H. Oswald and L. Ahart 1995-4-3 6595 Tehama T29N R2W NW1/4 NW1/4 Sec. 26, 660 ft, 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 201 Comment
  UC1002641  Galium aparine Milo S. Baker and H. K. Wagnon 1953-5-30 12673 Tehama 5 mi w Paskenta Comment
  RSA90817  Galium bifolium Milo S. Baker, H. K. Wagnon 1953-7-12 12884 Tehama 5.3 miles from Whitlock Camp along county road. Comment
  CHSC106828  Galium bolanderi Barbara Ertter; 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. 1066 Comment
  JEPS52656  Galium bolanderi Lauramay T. Dempster 1964-7-25 4051 Tehama Hwy 32 at south crossing of Dear Creek (2 1/2 mi sw of Potato Patch Campground, steep n-facing slope) 983 Comment
  JEPS52688  Galium bolanderi Lauramay T. Dempster and G. L. Stebbins 1964-6-13 3998 Tehama just s Round Mountain (w of Paskenta) 1143 Comment
  RSA696011  Galium bolanderi Barbara Ertter, James R. Shevock 1992-6-14 11145 Tehama Lanes Valley Rd. 2.3 miles S of Route 46 (Manton Rd) ca 7 air miles NW of Paynes Creek (town). 457 Comment
  UC1609474  Galium grayanum Vernon H. Oswald and Lowell Ahart 1993-9-2 5906 Tehama ridge running e from Mt. Linn (ca 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2407 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
  RSA67148  Galium grayanum var. nanum Philip A. Munz 1951-7-26 16931 Tehama E slope of S Yolla Bolly. 2348 Comment
  CHSC107253  Galium murale Lowell Ahart; John Dittes 2011-6-9 17464 Tehama In shade under steep bank on the north side of Acorn Hollow Creek, just east of Dry Creek confluence, 2.1 miles (air) east of Highway 99, 3.8 miles (air) north of Vina. 75 Comment
  CHSC41093  Galium parisiense Pauleen Broyles 1982-7-2 778 Tehama Where irrigation ditch crosses under Hwy 99, ca 0.5 km S of Lassen Road. 66 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
  CHSC77789  Galium porrigens var. tenue B. Castro; L. P. Janeway 1999-5-10 926 Tehama About 23 air miles NW of Orland, vicinity of Paskenta, Garland/Round Valley Rd, and Rocky Ridge. 274 Comment
  CHSC115582  Galium triflorum Lowell Ahart; John Dittes 2015-8-5 20442 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
  CHSC60408  Galium triflorum Mary Ann Showers 1992-6-26 2586 b Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 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
  CHSC24705  Garrya congdonii J. R. Nelson 1976-3-6 11 Tehama Ca. 10 mi w of Paskenta at Mud Flat Camp. 487 Comment
  CHSC48443  Garrya congdonii V. Oswald; L. Ahart 1988-5-2 3330 Tehama M2 (23N01) ca. 11 mi. (odometer) w of Paskenta. 853 Comment
  UC1010355  Garrya congdonii Keith Wagnon 1953-5-10 12611 Tehama 10 mi w Paskenta (below logging road) Comment
  UC412939  Garrya congdonii W. W. Mackie Oct 1902 Tehama w of Paskenta Comment
  CHSC86844  Gastridium phleoides Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-6-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 304 Comment
  CHSC58028  Gaultheria humifusa Vernon H. Oswald; G. Gray, S. Mitchelson, S. Rosas 1992-6-4 4981 Tehama Lassen Volcanic National Park. Spring-fed streamlet crossing Lassen Hwy. at the SW Entrance Station. On the W side of the highway. 2042 Comment
  UCD103603  Gayophytum diffusum subsp. diffusum H. Lewis; M. Lewis 1962-8-15 1323 Tehama Hwy. 36 at the junction with the road to Mill Creek, south of Mount Lassen. 1463 Comment
  UCD103604  Gayophytum diffusum subsp. diffusum R. A. Schlising; C. A. Lawler 1979-8-21 3471 Tehama S of Lassen National Park, W of Childs Mdws, 0.25 mi S of jct Hwy 36 and Hwy 172 (to Mill Cr.), along side of latter; area of montane forest. Comment
  JEPS124060  Gayophytum diffusum subsp. parviflorum Lowell Ahart, John Dittes 2015-8-5 20462 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
  UC1949059  Gayophytum diffusum subsp. parviflorum Barbara Ertter 1989-5-3 8442 Tehama Deer Creek Rd (Rt 32) at milepost 12.00; E side of Deer Creek ca 20 airmiles SW of Chester; on S-facing chaparral slope Comment
  SD148101  Gayophytum heterozygum G. K. Helmkamp, E. A. Helmkamp 2001-7-7 6901 Tehama Sierra Nevada Mountains: CA-36 at Gurnsey Crk (about 2 mi N of junction with CA-32) Comment
  UCD104378  Gayophytum heterozygum Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6851 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  JEPS117394  Gentiana newberryi var. tiogana Lowell Ahart, John Dittes 2010-10-4 17275 Tehama East edge of a meadow, about 30 yards northeast of the deep gulley, about 200 yards southeast 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 Millc 1475 Comment
  CHSC43680  Gentianopsis simplex Vernon Oswald 1984-7-16 1601 Tehama 30N16, 5.0 mi w of Hwy 89 (to Lassen Park) via 29N22. 1828 Comment
  UC1949123  Geranium carolinianum Barbara Ertter 1991-5-19 9881 Tehama 14.5 mi W of Red Bluff on Hwy 36, near Baxter Road junction Comment
  HSC74860  Gilia capitata J. P. Smith, Thomas W. Nelson 1978-7-22 10029 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  CHSC89623  Gilia capitata subsp. capitata Caroline Warren; Jenny Marr, Heidi West, Natalie Wight 1998-6-15 Tehama Vicinity of Sunflower Gulch and Red Bank Creek. 289 Comment
  UC1606314  Gilia tricolor subsp. diffusa Barbara Ertter with James R. Shevock 1993-4-30 11593 Tehama Jellys Ferry Road ca 1/2 mi ne of Interstate Hwy 5 n Red Bluff; n of Red Bluff 121 Comment
  CHSC68580  Githopsis pulchella subsp. campestris Vernon H. Oswald; Lowell Ahart 1997-5-14 8452 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. 725 Comment
  CHSC67208  Githopsis specularioides James D. Jokerst 1983-5-10 1749 Tehama Wurlitzer Ranch E of Meridian Rd., top of exposed Tuscan bluff that is the S bank of Zimmershed Creek where the flow changes from S to . 103 Comment
  CDA3378  Glinus lotoides L. Ahart 2002-11-5 10017 Tehama About 12 miles (air) northwest of Orland. East of where Burris Creek runs into Black Butte Lake, about 15 feet below the high water line of the lake. Comment
  CHSC81620  Glinus lotoides Vernon H. Oswald 2001-10-18 10060 Tehama Burris Creek Area of Black Butte Lake located at the east end of Morrison Bryant Road. On the eastly autumn strand of the reservoir. 134 Comment
  JEPS120783  Glinus lotoides Lowell Ahart 2013-9-17 19037 Tehama Bottom of Burris Creek, strand of Black Butte Reservoir, about 1.5 miles SW of the dam, about 12 air milesNW of Orland. Comment
  JEPS122045  Glyceria declinata Lowell Ahart, John Dittes 2014-5-18 19513 Tehama About 1 1/2 miles east of the end of Lyon Cattle Road, about 3 1/2 miles (air) northeast of Los Molinos. Comment
  RSA699701  Glyceria declinata L. Ahart, Samantha 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
  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
  JEPS123936  Gnaphalium palustre Lowell Ahart, John Dittes, Josephine Guardino, Steve Green 2015-7-31 20406 Tehama 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 Gumpsey Creek Campground, 10.74 air miles south-southeast of Lassen Peak. Comment
  JEPS76639  Gnaphalium palustre L. R. Heckard 1972-6-18 2987 Tehama sw of Tedoc Mt. 1371 Comment
  SEINET12765097  Gnaphalium palustre Vernon H. Oswald 1996-6-3 7692 Tehama BLM parcel along Hwy 36 ne of Red Bluff. Cascade Range foothills.; 0 104 Comment
  SDSU673  Goodyera oblongifolia Ernie Moore 1942-8-19 Tehama Big Smokey Creek Comment
  CDA15433  Gratiola ebracteata G. F. Hrusa, J. Hart 1998-5-1 14437 Tehama Sacramento Valley; On ridge above Coyote Creek wash, Coyote Creek Conservation Area ~1 mi. W of Paskenta Rd. Comment
  HSC93483  Gratiola ebracteata G. Fred Hrusa 1998-5-10 14437 Tehama Coyote Creek Conservation Area: ridge above Coyote Creek wash, 1 mi. W of Paskenta Rd. 100 Comment
  JEPS119637  Gratiola heterosepala Lowell Ahart 2012-6-2 18146 Tehama On the east side of Long Road, about 6.7 miles northeast of Dales and State Highway 36, northeast of Red Bluff. Comment
  JEPS88101  Grindelia hirsutula Vernon H. Oswald and Lowell Ahart 1996-7-8 7956 Tehama BLM parcel along Hwy 36 ne Red Bluff (edge of intermittent stream crossing ne corner of parcel); Cascade Range Foothills, Hog Lake Plateau 182 Comment
  CHSC68809  Hackelia amethystina Vernon Oswald; Lowell Ahart 1997-6-10 8555 Tehama Between Paskenta and Covelo on M2 (23N69) 0.9 mi west of its junction with M4, between Sugar Spring and Government Flat campgrounds. 1737 Comment
  JEPS11975  Hackelia amethystina Rimo Bacigalupi with G. T. Robbins 1954-6-26 4638 Tehama 1.9 mi sw of Government Flat (upper (western) end of Log Spring Ridge); Mendocino National Forest 1813 Comment
  JEPS67923  Hackelia californica Jos. Grinnell 1925-6-16 Tehama Mineral 1463 Comment
  JEPS67924  Hackelia californica Jos. Grinnell 1928-6-24 Tehama Mineral 1463 Comment
  POM252794  Hackelia californica A. A. Heller 1938-7-28 15291 Tehama On the Mineral-Lassen National Park Highway. 1768 Comment
  UC1036244  Hackelia micrantha George W. Gillett 1952-7-20 91 Tehama vicinity of Sulphur Works (above highway one mi below hot springs area, slope of Brokeoff andesite); Lassen Volcanic National Park 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
  CHSC90540  Harmonia stebbinsii D. Isle 2004-4-10 43 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. W. off Nomlaki Trail, 132' w. of pond (GPS for pond=0523736E and 4410268N, GPS at HAST=0523800E 4410313N). 609 Comment
  UC1023847  Harmonia stebbinsii Milo S. Baker 1953-5-10 12622 Tehama logging road w Paskenta (near 10 mi post) Comment
  JEPS76643  Hastingsia alba L. R. Heckard 1972-6-18 2982 Tehama n. Tedoc Mt. (along Wells Creek, near old cabin); Wells Creek 883 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
  CAS-BOT-BC314820  Helianthella californica var. nevadensis Rimo Bacigalupi; G. T. Robbins; K. Wagnon; D. Barbe 1955-7-17 5346 Tehama About 20 miles north of Paskenta, Mendocino National Forest 1920 Comment
  CAS-BOT-BC314823  Helianthella californica var. nevadensis John Thomas Howell 1960-8-21 36289 Tehama Morgan near Lassen Volcanic Ntional Park 1463 Comment
  RSA105344  Helianthella californica var. nevadensis G. D. Barbe 1955-7-17 216 Tehama 1 mile E of Howell Camp on the county road. 1890 Comment
  RSA105454  Helianthella californica var. nevadensis M. S. Baker 1955-6-25 13061 Tehama Mendocino National Forest, above Whitock Camp, alt 5000ft 1524 Comment
  CHSC80594  Helianthus bolanderi Vernon H. Oswald; Lowell Ahart 2001-6-5 10041 Tehama Raglin Ridge Rd 0.6 mi east of the North Fork of Elder Creek. 426 Comment
  JEPS24210  Helianthus bolanderi Stanton A. Cook 1960-4-23 943 Tehama 5 mi n Newville (on steep barren shaley hillside, on road from Newville to Paskenta) Comment
  UCD132781  Helianthus ciliaris Sykes 1937-6-24 s.n. Tehama exact location unknown. Comment
  CHSC112993  Heliotropium curassavicum var. oculatum Lowell Ahart 2013-8-2 18973 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
  JEPS121182  Heliotropium curassavicum var. oculatum Lowell Ahart 2013-8-2 18973 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
  CHSC66306  Heliotropium europaeum Vernon H. Oswald 1996-7-4 7750 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. On the bed of the creek. 146 Comment
  JEPS118029  Heliotropium europaeum Lowell Ahart, John Dittes 2011-6-9 17471 Tehama On the bottom of Dry Creek, south of the confluence of Acorn Hollow Creek and Dry Creek, 2.1 miles (air) east of Highway 99, 3.8 miles (air) north of Vina 75 Comment
  UC1275923  Heliotropium europaeum N. H. Macleod 1957-9-4 Tehama along Red Bank Rd, w. of Red Bluff Comment
  UCR108221  Heliotropium europaeum L. C. Wheeler 1958-7-31 7358 Tehama Red Bluff: Jefferson and Walnut Streets, SW corner. Comment
  RSA609425  Heliotropium europaeum L. C. Wheeler 1958-7-31 7358 Tehama Red Bluff: Jefferson and Walnut Streets, SW corner. 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
  CHSC90448  Hemizonella minima Niall McCarten; Roxanne Bittman 1986-6-15 5391 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 1/3 mi. W. of Johnson Cabin. Comment
  UC1299265  Hemizonella minima Freed W. Hoffman 1947-6-23 1634 Tehama Government Flat, w Tehama County Northern Coast Ranges, Government Flat 796 Comment
  CAS-BOT-BC313470  Hemizonella minima Alice Eastwood; John Thomas Howell 1941-7-9 9762 Tehama Log Spring Ridge betwen Log Spring and Government Flat Comment
  JEPS75355  Hemizonia congesta subsp. clevelandii Todd and Virginia Keeler-Wolf 1975-8-10 Tehama 1 mi e Patton Mills; Yolla Bolly Mtns 975 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
  CHSC102452  Herniaria hirsuta var. hirsuta L. P. Janeway; B. Castro 2009-4-25 9766 Tehama Cascade Range Foothills. Tehama Wildlife Area; along Powerline Road about 0.4 km south of Cottonwood Jeep Trail, overlooking an upper northeastern fork of Little Antelope Creek. 564 Comment
  CHSC115234  Herniaria hirsuta var. hirsuta B. Castro 2015-6-29 2040 Tehama Sacramento Valley. North side of Elder Creek channel, California 1.5 air miles Northwest of its confluence with the Sacramento River and 0.6 air miles East of the San Benito Ave. bridge over Elder Ck at the town of Gerber. 67 Comment
  JEPS88418  Hesperevax acaulis var. acaulis Vernon H. Oswald and Lowell Ahart 1996-4-3 7311 Tehama CDFG parcel on s side of Gyle Rd. nw Corning (on drying bed of drainage ca. 100 ft s of the intermittent stream and 0.2 mi e of dirt lane along w side of parcel); Sacramento Valley, Thomes Creek Ecological Reserve 103 Comment
  CHSC102362  Hesperevax acaulis var. robustior L. P. Janeway 2009-3-28 9669 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
  JEPS33858  Hesperevax acaulis var. robustior Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo Road) 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
  CAS-BOT-BC403814  Hesperocnide tenella Ira L. Wiggins 1925-3-26 1558 Tehama Above the gorge on Mill Creek Comment
  JEPS116634  Hesperocyparis macnabiana L. P. Janeway 2009-11-15 9963 Tehama High North Coast Ranges. Ranglin Ridge Ridge, 0.3 km east of Pepperwood Spring, 1.3 km south of North Fork Elder Creek of Ball Rock Road (Forest Road M33) (along Raglin Ridge Road 7.1 km southwest) 876 Comment
  UC762257  Hesperolinon californicum R. F. Hoover 1937-5-19 2287 Tehama 6 mi n Red Bluff Comment
  UC3548  Hesperolinon disjunctum Milo S. Baker and H. K. Wagnon 1953-5-31 12690 Tehama w Paskenta (near source of winter streamlet flowing near 5 mi post on logging road) Comment
  RSA151787  Hesperolinon disjunctum H. K. Sharsmith 1951-7-12 4024 Tehama Paskenta-Colyer Springs road 1 mile below Franklin Point road and about 29 miles northwest of Paskenta, 0.7 miles outside Mendocino National Forest. 915 Comment
  CHSC48599  Hesperolinon micranthum Vernon Oswald 1986-6-23 2149 Tehama M2 (23N01) 12.7 mi w of Paskenta. Road cut through serpentine. 1188 Comment
  JEPS105868  Hesperolinon tehamense Lowell Ahart 2004-4-29 10808 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 535 Comment
  OBI22902  Hesperolinon tehamense Helen K. Sharsmith 1951-7-11 4018 Tehama Covelo-Paskenta road 11.1 mi W of Paskenta, Mendocino Natl Forest 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
  UC1212205  Hesperolinon tehamense Freed W. Hoffman 1950-7-30 3697 Tehama 0.1 mi w Eagle Springs Road and Paskenta-Colyer Springs road (this <point of divergence> 10.7 mi w of Paskenta); Inner North Coast Ranges Comment
  CHSC117168  Heterocodon rariflorum Lowell Ahart; John Dittes 2016-6-22 21043 Tehama On the north side of the trail, 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. 935 Comment
  RSA761034  Heterocodon rariflorum Barbara Ertter, Brad Olson 1991-7-4 10261 Tehama Toomes Camp/Ball Rock Road 16.1 miles west of Paskenta, 2 miles southeast of Kingsley Glade/Maxin junction about 28 air miles west of Corning. 1463 Comment
  JEPS106306  Heteromeles arbutifolia Lowell Ahart 2004-6-11 11031 Tehama On the south side of the Nomalaki Trail, about 1/4 mile north of Dead Rabbit Lake, about 1 3/4 miles northwest of Bowers Creek, about 2 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta 382 Comment
  CHSC85161  Heterotheca grandiflora John Dittes 2003-10-22 852 Tehama Undesignated section of Rio De Los Molinos Land Grant. Northern Sacramento Valley; ca. 18 air-miles south of Red Bluff, ca. 0.8 air-miles northeast of Tehama, ca. 0.3 air-mile east of the Sacramento River; floodplain on south side of Mill Creek. 65 Comment
  CHSC76504  Heterotheca oregona var. compacta Heidi West; Natalie Wight 1998-7-21 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 268 Comment
  CHSC84609  Heterotheca oregona var. compacta Lowell Ahart; John Dittes 2003-9-17 10584 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
  JEPS127116  Heterotheca oregona var. compacta Lowell Ahart, John Dittes 2016-8-24 21267 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
  CHSC45683  Hieracium gracile Vernon Oswald 1986-7-24 2227 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2316 Comment
  CHSC64947  Hieracium scouleri var. scouleri Vernon H. Oswald; Lowell Ahart 1995-7-12 7058 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
  CDA2180  Holcus lanatus L. Ahart, J. Dittes 2003-6-11 10273 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
  CAS-BOT-BC149915  Holodiscus discolor P. A. Munz 1951-7-27 16969 Tehama South base of South Yolla Bolly Mts. 2225 Comment
  CHSC54448  Holodiscus discolor Vernon H. Oswald; Lowell Ahart 1991-7-10 4730 Tehama Round Valley Rd (M4 or Forest Rd 23N02), 0.1 mile west of Forest Rd 23N69, ca. 8 miles (air) southwest of Paskenta. In a roadside ravine. 987 Comment
  JEPS95108  Holodiscus discolor Vernon Oswald and Lowell Ahart 1997-7-7 8670 Tehama 0.5 mi n of Tomhead Saddle (near the ne corner of Yolla Bolly Wilderness on FR 27N06); Yolla Bolly Wilderness 1676 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
  CHSC118585  Holodiscus discolor var. glabrescens L. P. Janeway 2016-9-6 12170 Tehama High North Coast Ranges. Saddle 2.3 air-km west of North Yolla Bolly; Pettyjohn Meadow. 2170 Comment
  UCD113390  Holodiscus discolor var. glabrescens John Thomas Howell 1960-8-19 36198 Tehama Summit ridge, Brokeoff Mountain. 2804 Comment
  RSA739760  Holodiscus microphyllus John Dittes, Josephine Guardino, L. Ahart 2003-8-23 810 Tehama High N coast Range, Yolla Bolly Middle Eel Wilderness, S Yolla Bolly Mtns, N slope of Eastern ridge of Mt. Linn. 0.5 air mile E by NE of Square Lake. 2148 Comment
  SEINET10483357  Holodiscus microphyllus var. glabrescens Mary Susan Taylor 1977-8-17 Taylor 1479 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
  UCD85519  Hordeum brachyantherum Beecher Crampton 1954-6-16 2002 Tehama 2 miles E of Whitlock Camp, to the W of Paskenta. 914 Comment
  HSC1775  Hordeum marinum subsp. gussoneanum Larry Berti 1969-5-9 80 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  CHSC89012  Hordeum murinum A. Peterson 2003-3-29 26 Tehama Hwy 36 about 6 1/2 miles east of Red Bluff. About 1/2 mile east of Hog Lake Plateau. On road edge. 274 Comment
  JEPS2807 Image available Horkelia daucifolia var. indicta W. L. Jepson 1899-4-25 100 p Tehama Stiver's Ranch, hills of Crane Creek, Tehama Co. Comment
  SEINET10449892  Horkelia tridentata David B. Dunn 1971-8-15 Dunn 18172 Tehama 1.5 miles w of lassen park headquarters, yellow pine forest 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-BC537972  Horkelia tridentata var. flavescens A. A. Heller 1928-5-30 14576 Tehama At Mineral in the yellow pine belt. 1524 Comment
  CAS-BOT-BC540023  Horkelia tridentata var. tridentata James R. Shevock; David Isle 1985-6-22 11268 Tehama Northern Coast Ranges, Mendocino National Forest. along forest road 23N60 between Anthony Peak and Wells Cabin Meadow. 1900 Comment
  SD43487  Hydrophyllum capitatum Philip A. Munz 1947-5-18 4387 Tehama 12 mi E of Mineral on Hwy 36 1584 Comment
  CHSC56305  Hydrophyllum capitatum var. alpinum K. R. Stern 1986-5-21 8258 Tehama Deer Creek Meadows, 1 mi SE of jct of hwys 32 and 36. 1402 Comment
  UC2043000  Hydrophyllum occidentale Barbara Ertter 1990-5-13 8958 Tehama Northeast Tehama Co.: North side Highway 36 between Morgan Springs and Child Meadows, open W-facing bank above Mill Creek. Comment
  JEPS1652  Hydrophyllum occidentale W. L. Jepson 1899-4-27 21007 Tehama ford of Cold Creek (foot of trail through Salt Creek to the Greasewood Hills and Mt Tom, w Tehama County); Yolla Bolly Mountains Comment
  RSA0110961  Hydrophyllum occidentale P. A. Munz 1947-5-18 11856 Tehama 12 miles E of Mineral, on Hwy 36. 1585 Comment
  RSA66369  Hydrophyllum occidentale P. A. Munz 1951-7-26 16947 Tehama Square Lake, N base of South Yolla Bolly Peak. 2134 Comment
  CHSC66880  Hypericum anagalloides Vernon H. Oswald; Lowell Ahart 1996-9-4 8249 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Locally common in moist soil of a seep 182 Comment
  CHSC88271  Hypericum anagalloides Lowell 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. 655 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
  CHSC94381  Hypericum formosum var. scouleri Lowell Ahart 2006-7-19 13034 Tehama West edge of an open dry flat, about 100 yards west of the dirt road, along the east side of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1525 Comment
  CHSC66196  Hypericum perforatum Vernon H. Oswald; Lowell Ahart 1996-6-3 7699 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Growing on a gravel bar along Paynes Creek at the old bridge site. 103 Comment
  JEPS88277  Hypericum perforatum Vernon H. Oswald and Lowell Ahart 1996-6-3 7699 Tehama BLM parcel along Hwy. 36 n.e. of Red Bluff (Hog Lake Plateau, along Paynes Creek at old bridge site); Cascade Range Foothills, Hog Lake Plateau 103 Comment
  JEPS97444  Idahoa scapigera Vernon H. Oswald and L. Ahart 1995-3-6 6505 Tehama Dales Lake Ecological Reserve. T29N R2W NE1/4 NW1/4 Sec. 26, 720 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 219 Comment
  UC1299604  Ipomopsis aggregata Freed W. Hoffman 1950-7-3 3680 Tehama 1 mi ne Whiterock Guard Station 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
  CHSC88595  Iris macrosiphon L. P. Janeway 2001-6-10 7139 Tehama High North Coast Ranges. South-facing serpentine slope above the spring on west side of Tedoc Gap. 1340 Comment
  RSA135946  Iris tenuissima Lee W. Lenz 1954-5-8 19138 Tehama 5 miles from Mineral, on road to Red Bluff 1159 Comment
  JEPS94379  Iris tenuissima subsp. purdyiformis Vernon H. Oswald and Lowell Ahart 1997-5-14 8422 Tehama 1.1 mi sw at a low-water crossing of North Fork Antelope Creek (between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29) 4.9 mi se of Plum Creek Road); Ponderosa Way 1030 Comment
  CDA19855  Isatis tinctoria R. Breckenridge 2002-5-3 PDR 1204455 Tehama Northern California; I-5 southbound, 100 ft N of Proberta exit. 0 Comment
  CAS-BOT-BC69930  Isoetes howellii Alice Eastwood; John Thomas Howell 1934-4-21 1845 Tehama 5 mi. s. of Cottonwood. Comment
  CHSC65908  Isoetes howellii Vernon H. Oswald; Lowell Ahart 1996-4-15 7377 .1 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning, northwest side of Sacramento Valley. 99 Comment
  CHSC81195  Isoetes howellii J. Trizzino 2001-4-17 31 Tehama Hog Lake Plateau off Highway 36. 268 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
  CHSC65713  Isoetes nuttallii Vernon H. Oswald; Lowell Ahart 1996-4-3 7284 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gule Rd. NW of Corning, northwest side of the Sacramento Valley. 103 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
  JEPS88061  Isoetes orcuttii Vernon H. Oswald and Lowell Ahart 1996-4-15 7369 Tehama nw of Corning (CDFG parcel on s side of Gyle Rd); Sacremento Valley, Thomes Creek Ecological Reserve 106 Comment
  CHSC88237  Juncus balticus Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11186 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
  UC54236  Juncus balticus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4348 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 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
  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
  JEPS97495  Juncus bufonius var. bufonius Vernon H. Oswald and Lowell Ahart 1995-4-10 6633 Tehama ca. 14 mi NE of Red Bluff ( W side of Manton Rd.(A6) ca. 1 mi N of Dales Station on Hwy. 36; along the edge of Inks Creek Rdl betw. Manton Rd. and Dales Lake); Cascade Range Foothills, Plants of Dales Lake Ecological Res 213 Comment
  CHSC64566  Juncus capitatus Vernon H. Oswald; Lowell Ahart 1995-4-10 6624 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 the fence and Manton Rd., just n of the culvert. 207 Comment
  CHSC65771  Juncus capitatus Vernon H. Oswald; Lowell Ahart 1996-4-8 7337 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. On the drying soil of a jeep trail crossing blue oak savanna at this location. 143 Comment
  JEPS105647  Juncus effusus var. exiguus L. P. Janeway 2001-6-10 7157 Tehama High North Coast Ranges. Along the ''35'' road 2.4 km southeast of Stuart Gap; about 2.1 km north of North Yolla Bolly. Unmapped meadow/spring 1600 Comment
  CHSC102631  Juncus ensifolius Lowell Ahart; Josephine Guardino 2009-9-6 16364 Tehama Southwest of the enclosure, along a small stream that flowers into Gurnsey Creek, west 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
  CHSC76859  Juncus exiguus L. P. Janeway; B. Castro 1999-8-22 6529 Tehama High North Coast Ranges. Small seep above the road between Government Flat and Wells Cabin Campground, about 0.4 mi southwest of Government Flat and 1.0 mi northeast of Anthony Peak. 1841 Comment
  CHSC49616  Juncus howellii Vernon Oswald 1984-7-16 1602 Tehama 30N16, 5.0 mi w of Hwy 89 (to Lassen Park) via 29N22. 1828 Comment
  CHSC103203  Juncus laccatus Peter F. Zika 2008-7-14 23900 Tehama Cascade Range Highlands. Routes 36 and 89, ca 4 air km WNW of Wilson Lake. 1515 Comment
  RSA755376  Juncus laccatus L. Ahart, John Dittes, Josephine Guardino 2009-8-27 16339 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-BC123262  Juncus leiospermus Amos Arthur Heller 1916-4-20 12326 Tehama 2 miles S of Red Bluff Comment
  NY247663  Juncus leiospermus A. A. Heller 1916-4-20 12326 Tehama 2 miles south of Red Bluff in low places in a grain field. Comment
  UC1586611  Juncus leiospermus var. leiospermus Vernon H. Oswald and Lowell Ahart 1991-5-9 4555 Tehama Paynes Creek Recreation Area located 1.5 mi ne of the Bend Bridge over the Sacramento River (6.5 mi nne of Red Bluff, 0.5 mi se of the entrance kiosk); Paynes Creek Recreation Area 112 Comment
  HSC101155  Juncus marginatus P. F. Zika 2011-7-4 25507 Tehama W side of Wildcat Road, 0.4 road miles S of bridge over Battle Creek 320 Comment
  JEPS121387  Juncus marginatus Peter F. Zika 2011-7-4 25507 Tehama W side of Wildcat Road, 0.4 road miles S of bridge over Battle Creek Comment
  CHSC60459  Juncus nevadensis Mary Ann Showers 1992-6-27 2654 Tehama Lassen Volcanic National Park. Pond below Windy Point, west of Mill Creek. 1950 Comment
  CHSC94344  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
  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
  RSA718740  Juncus nevadensis L. Ahart 2006-7-25 13078 Tehama 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. 1519 Comment
  RSA67179  Juncus occidentalis Phillip A. Munz 1951-7-25 16850 Tehama Near base of South Yolla Bolly Mountains: Square Lake. 2149 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
  JEPS96102  Juncus oxymeris Vernon H. Oswald and Lowell Ahart 1996-6-3 7706 Tehama BLM parcel along Hwy 36 ne Red Bluff (flood channel along creek ca 0.4 mi downstream from the old bridge site); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 100 Comment
  SBBG119782  Juncus oxymeris L. Ahart 2004-6-11 11034 Tehama Dead Rabbit Lake, ca. 100 yards W of the Nomalaki Trail, ca. 1.5 mi NW of Bowers Crk, ca. 2.25 mi NW of USFS Rd 23N69 (Mud Flat Rd), ca. 8 air mi SW of Paskenta 545 Comment
  CHSC112023  Juncus patens David Toren; Carl Furrer 2002-9-3 2106 Tehama Mendocino National Forest. One Bee Road (2 springs) NW of Poison Glade. One Bee Road=23N02.4 D spur; jct D spur with 23N02.4=T23N, R9W, SE1/4 S23 @5100 ft. One Bee Camp at W end of D spur=23N, 9W, Ne1/4 S28 @4200 feet. @ sp collection site=between these 2 points. 1298 Comment
  CDA39255  Juncus usitatus Barbara Ertter 2003-7-2 18254 Tehama Wild Cat Road between Manton Road and Battle Creek, ca. 20-22 airmiles northeast of Red Bluff. Comment
  JEPS113086  Juncus usitatus Barbara Ertter 2003-7-20 18254 Tehama Wild Cat Road between Manton Road and Battle Creek, ca 20-22 airmiles northeast of Red Bluff; shallowly sloping seepage area on lava. 326 Comment
  CHSC79382  Juncus xiphioides B. Castro; C. Warren 2000-4-13 1075 Tehama Vicinity of Orland, W of Highway I-5, along main Rice Creek channel in large open area within planted eucalyptus trees. 83 Comment
  RSA126574  Juncus xiphioides H. S. Yates 1936-8-12 6093 Tehama Near Mineral Summit. 1463 Comment
  CHSC44630  Juniperus californica Vernon Oswald 1986-3-4 1045 Tehama Hwy 36 2.2 mi sw of Hog Lake. 137 Comment
  LA6564  Juniperus californica Carl Epling; William Robison 1935-7-21 sn Tehama E of Red Bluff Comment
  UC766772  Juniperus californica R. F. Hoover 1938-8-2 3723 Tehama hills above Paskenta (on road to Covelo) Comment
  UCR3619  Juniperus californica Frank C. Vasek 1964-8-6 640806- 03 Tehama 5.8 mi east of Dales center on Hwy 36 Comment
  CAS-BOT-BC236788  Keckiella breviflora Mrs. E. C. Sutliffe 1927-6-1 s.n. Tehama Crater Volcanic Highway from Red Bluff Comment
  CHSC55287  Keckiella breviflora var. glabrisepala L. P. Janeway 1991-6-15 4020 Tehama Battle Creek Wildlife Area. Ca 1 1/2 mi east of the Sacramento River. Steep north-facing slope above Battle Creek. 129 Comment
  CHSC48990  Keckiella corymbosa Vernon Oswald 1986-7-15 2204 Tehama Round Valley Rd. (M4), 20.0 mi w of Paskenta. 1463 Comment
  CHSC64995  Keckiella lemmonii Vernon H. Oswald; Lowell Ahart 1995-7-12 6993 Tehama Inner North Coast Range. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 2.5 mi S of Hwy. 36. 871 Comment
  RSA33143  Keckiella lemmonii A. A. Heller 1937-7-21 15934 Tehama Along the Deer Creek Road between Lomo and the first crossing of Deer Creek. Comment
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Jul 5 2013
  SEINET10782836  Keckiella lemmonii Barbara J. Ertter 1991-9-2 Ertter 10773 Tehama Round Valley-Paskenta road (Rt M4) 2.3 mi E of M2 jct at Government Flat, ca. 19 airmiles W of Paskenta, T23N R9W Sec 17/18; rocky roadcut in open yellow pine-red fir forest. 1676 Comment
  CHSC66127  Koeleria phleoides Vernon H. Oswald; Lowell Ahart 1996-4-29 7474 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On the edge of the intermittent stream near the W boundary. 103 Comment
  UCD21121  Koeleria phleoides Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-24 296 Tehama Vina Plains, SW of Highway 99 and Rowles Road. Pool # ROW002. UTMs 10S0584581; 4416292. Comment
  SEINET11808172  Lactuca saligna Unknown 1982-1 782 Tehama The Nature Conservancy Vina Plains Preserve 66 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
  CHSC40523  Lactuca serriola Pauleen Broyles 1982-8-5 828 Tehama The Nature Conservancy Vina Plains Preserve. 60 Comment
  CAS-BOT-BC341378  Lagophylla glandulosa John Thomas Howell 1934-6-17 12236 Tehama Near Cottonwood Comment
  CHSC40524  Lagophylla glandulosa Pauleen Broyles 1982-6-24 764 Tehama The Nature Conservancy Vina Plains Preserve. Just e of irrigation ditch. 66 Comment
  CHSC66558  Lagophylla glandulosa Vernon H. Oswald; Lowell Ahart 1996-7-8 7954 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Collected on the banks of an intermittent stream crossing the NE corner of the parcel. 182 Comment
  CHSC77539  Lagophylla glandulosa Heidi West; Jenny Marr, Caroline Warren 1998-10-13 Tehama Vicinity of South Fork Cottonwood Creek and Dippingvat Flat. 310 Comment
  JEPS3547  Lagophylla glandulosa Milo S. Baker and H. K. Wagnon 1953-5-31 12702 Tehama 1.0 mi or so e Paskenta (w Tehama County) Comment
  CAS-BOT-BC341384  Lagophylla glandulosa H. M. Hall 1920-7-12 11000 Tehama Near Corning, Sacramento Valley (4 mi. s.) Comment
  CHSC78807  Lagophylla minor Julie Cunningham; Jenny Marr, Caroline Warren 1998-5-11 Tehama Vicinity of Round Valley Road and Newville Road (Garland Road). 280 Comment
  CHSC105946  Lagophylla ramosissima subsp. ramosissima Lowell Ahart; John Dittes 2010-7-17 16855 Tehama Near brush piles, about 80 yards south of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 819 Comment
  CHSC48173  Lagophylla ramosissima subsp. ramosissima Vernon Oswald 1986-6-27 2161 Tehama Long Rd. (A6) 5.8 mi ne of Dales, 2.8 mi sw of jct. Lanes Valley Rd. 304 Comment
  CHSC40568  Lasthenia californica Pauleen Broyles 1983-4-14 884 Tehama The Nature Conservancy Vina Plains Preserve. Just w of barn. 60 Comment
  CHSC67167  Lasthenia californica James D. Jokerst 1984-3-17 1937 Tehama Wurlitzer Ranch on the E side of Meridian Rd., plains S of Zimmershed Creek ca. 0.3 mi E of Meridian Rd. 91 Comment
  RSA586004  Lasthenia californica Adree M. Desrochers 1989-4-3 425 Tehama Near Red Bluff. Along Road 36, 4.3 km E of intersection 99/36. Comment
  SJSU11855  Lasthenia californica subsp. californica H. D. Baer 1960-4-14 Tehama near Coleman Fish Hatchery 11 mi SE of Anderson Comment
  CHSC40571  Lasthenia fremontii Pauleen Broyles 1982-4-20 436 b Tehama The Nature Conservancy Vina Plains Preserve. 70 Comment
  CHSC64598  Lasthenia fremontii Vernon H. Oswald; Lowell Ahart 1995-4-17 6650 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. Between Dales Lake and the w boundary of the reserve. 213 Comment
  JEPS10029  Lasthenia fremontii R. F. Hoover 1937-5-19 2295 Tehama s of Red Bluff; Coyote Creek bridge Comment
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Jul 16 2009
  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
  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
  UC1363796  Lasthenia fremontii Robert Ornduff 1958-4-20 4916 Tehama just s Red Bluff (Paskenta Road opposite airport) Comment
  CHSC79958  Lasthenia glaberrima B. Castro; L. P. Janeway 2000-5-11 1160 Tehama Vicinity of Orland and Black Butte Lake. 88 Comment
  JEPS116635  Lasthenia gracilis L. P. Janeway 2009-4-4 9710 Tehama Tehama Wildlife Area Dewitt Peak (along Cottonwood Jeep Trail 1.1 road km northwest of Powerline Road between Shaw Creek and Little Antelope Creek.); Cascade Range Foothills 573 Comment
  CAS-BOT-BC370791  Lasthenia platycarpha A. A. Heller 1918-4-21 12996 Tehama along the State Highway 7 miles south of Corning. Comment
  UC1363757  Lasthenia platycarpha Francia Chisaki 1958-4-1 1112 Tehama 11 mi w Corning (on road from Flournay to Corning) Comment
  CHSC82101  Lathyrus jepsonii var. californicus L. P. Janeway 2001-7-25 7378 Tehama High Cascade Range. Next to North Fork Calf Creek at crossing of closed spur road, between Roads 27N12 and 27N06; 1.6 km north-northwest of Colby Mountain. 1400 Comment
  JEPS117340  Lathyrus latifolius Lowell Ahart, John Dittes 2010-7-19 16894 Tehama About 10 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
  JEPS1737 Image available Lathyrus sulphureus var. argillaceus W. L. Jepson 1899-4-26 13635 Tehama Rosewood; ; Rosewood, Tehama Co. Comment
  CHSC31106  Layia fremontii W. F. Babb 1980-4-5 3 Tehama In field at 240 McLane Ave., Corning. 100 Comment
  JEPS39112  Layia fremontii W. L. Jepson 1899-4-30 179 f Tehama Red Bluff Comment
  SJSU11667  Layia fremontii H. D. Baer 1960-4-14 Tehama near Coleman Fish Hatchery 11 mi SE of Anderson 259 Comment
  HSC27271  Layia fremontii J. P. Smith 1972-3-23 5102 Tehama 1.8 mi. S of the Tehama-Butte Co. line along Hwy. 99, N of Chico. Comment
  HSC79321  Layia fremontii John L. Heywood, D. H. Norris 1968-3-31 1851 Tehama Hwy. 36, 56 mi. E of Shasta Co. line Comment
  SEINET10839205  Layia fremontii Mary Susan Taylor 1975-4-18 Taylor 489 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
  JEPS3550  Layia septentrionalis Keith Wagnon 1953-4-26 12551 Tehama about 6 mi w of Paskenta Comment
  JEPS66637  Ledum glandulosum J. W. Grinnell 1925-7-14 Tehama Mineral Comment
  SEINET5723352  Lemna minor Sue Hansen 1964-1 35 Tehama Floating in Corning Canal. Beside US Hwy 99 W, ca. 5 mi. S of Red Bluff.; 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
  CHSC59189  Lemna turionifera Vernon H. Oswald 1992-9-9 5206 Tehama Lassen Volcanic National Park. Ca. 0.2 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (most southerly) point, on the S side of Diamond Peak and Lassen Hwy. In a streamlet in a meadow. 2011 Comment
  UC1101285  Lemna turionifera Malcolm A. Nobs, S. Galen Smith 1949-7-22 1079 Tehama sw of Chester (Highway 32 just s of Highway 36, Deer Creek); Deer Creek Comment
  CHSC76034  Leontodon saxatilis subsp. longirostris G. F. Hrusa; J. Hart 1998-5-10 14409 Tehama Northern Sacramento Valley. Vernal pools on ridge approx. 1/4 mi. S of Coyote Creek, Coyote Creek Conservation Area, and ~1 mi. W of Paskenta Rd. 110 Comment
  CHSC66606  Lepidium campestre Vernon H. Oswald; Lowell Ahart 1996-7-15 8057 Tehama High Cascade Range. W side of Hwy. 32 at the bridge over the North Fork of Deer Creek, ca. 0.8 mi SW of Hwy. 36. Meadow, on the flood plain of the creek. 1389 Comment
  CHSC56286  Lepidium heterophyllum K. R. Stern 1986-5-21 8252 Tehama Deer Creek Meadows, 1 mi SE of jct of hwys 32 and 36. 1402 Comment
  CHSC75358  Lepidium heterophyllum Vernon H. Oswald 1999-5-26 9727 Tehama West side of Hwy. 32 at the bridge over the North Fork of Deer Creek, ca. 0.8 mi SW of Hwy. 36. Along a drainage on the flood plain of the creek. Meadow. 1389 Comment
  CHSC88529  Lepidium strictum Jenny Marr; Heidi West, Natalie Wight 1999-4-29 Tehama Vicinity of Red Bank Creek, Dry Creek, and Grizzly Creek. In road bed near the creek. 259 Comment
  JEPS53723  Lepidium strictum Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  UC1873679  Lepidium strictum Barbara Ertter with James R. Shevock 1993-4-30 11615 Tehama Jellys Ferry Road ca 6 miles NNE of Interstate Highway 5 north of Red Bluff. Comment
  CHSC75692  Lepidium virginicum var. pubescens Vernon H. Oswald 1999-6-18 9770 Tehama High Cascade Range. Hwy. 32 ca. 1.7 mi south of Hwy. 36, on the edge of Deer Creek Meadows. Roadside. 1377 Comment
  CHSC41045  Leptochloa fusca subsp. fascicularis Pauleen Broyles 1982-6-24 831 Tehama The Nature Conservancy Vina Plains Preserve. Bank above irrigation ditch near Lassen Road. 70 Comment
  CHSC64550  Leptosiphon bicolor Vernon H. Oswald; Lowell Ahart 1995-4-3 6566 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. Along the unimproved road w of the airstrip (w of Old Hwy. Pool). 213 Comment
  CHSC87233  Leptosiphon bolanderi Jenny Marr; L. P. Janeway 1999-4-7 Tehama Vicinity of Rocky Ridge and uppermost North Fork Stony Creek. 259 Comment
  SD70024  Leptosiphon bolanderi Darley Howe 1968-5-28 4539 Tehama 1.3 miles north of Log Springs Guard Station. 1372 Comment
  CHSC101393  Leptosiphon ciliatus David Isle 1992-7-29 1558 Tehama Mendocino National Forest - North Coast Ranges. Thomes Creek Watershed. Upper Forks Ridge. S of 24N01.2, between 24N02.1 - 24N32 jcts. 1737 Comment
  CHSC90407  Leptosiphon ciliatus Niall McCarten 1986-6-22 5293 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. NW of Howell Saddle, W. side of Rd. 23N01. 1615 Comment
  CHSC115809  Leptosiphon harknessii Lowell Ahart; John Dittes 2015-8-5 20464 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
  RSA21510  Leptosiphon montanus C. B. Wolf 1937-5-16 8696 Tehama Northern Siera Nevavda Foothills, Red Bluff - Susanville Road, 3 mi. below Paynes Creek P. O. 274 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
  UC1001303  Lesquerella occidentalis subsp. occidentalis Louise Kellogg 1952-7-12 27 Tehama South Yolla Bolly Mountain North Coast Ranges, Mendocino National Forest (Middle Eel-Yolla Bolla Primitive Area) 2438 Comment
  JEPS20643  Lessingia leptoclada unknown 1917-8-7 Tehama Red Bluff Comment
  JEPS102866  Lessingia nemaclada Lowell Ahart 2001-6-16 8846 Tehama South of the dirt road, ca 5 miles W of Highway 32, W of Soda Springs Campground, ca 5 miles (air) W of Butte Meadows. 1082 Comment
  JEPS94591  Lessingia nemaclada Vernon Oswald and Lowell Ahart 1997-7-7 8676 Tehama Tomhead Mtn. Yolla Bolly-Middle Eel Wilderness (Lookout, near ne corner of Wilderness) 2057 Comment
  UC761981  Lessingia nemaclada R. F. Hoover 1940-9-22 4618 Tehama volcanic plateau ne Red Bluff Comment
  SEINET10846152  Lessingia nemaclada David B. Dunn 1971-8-15 Dunn 18179 Tehama 22 mi. E of jct. of Hwy. 36 & Hwy. 99 on 36 in Digger pine and yellow pine; road to Lassen National Park. Comment
  UC761982  Lessingia nemaclada R. F. Hoover 1940-9-22 4624 Tehama ridge between Paine Creek and South Fork of Battle Creek Comment
  UC1287455  Lessingia virgata Willard Spence 1962-7-25 727 Tehama along route 36 4 mi n junction of Rt. 99E and 36 (ne of Red Bluff) Comment
  CHSC59079  Leucanthemum vulgare Vernon H. Oswald 1992-8-19 5157 Tehama Lassen Volcanic National Park. Lassen Hwy. (Hwy. 89) ca. 0.2 mi N of the S boundary of the park. Along the E edge of the road. 2011 Comment
  UCD104426  Leucanthemum vulgare Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6870 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  POM304459  Lewisia triphylla Alice Eastwood, J. T. Howell 1941-7-9 9833 Tehama Near Government Flat. Comment
  JEPS61963  Lilium parvum Joseph Grinnell 1925-6-29 Tehama Mineral 1463 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
  HSC85940  Limnanthes douglasii Susan Carter, Eric May, Sarah McNaull 1987-3-28 107 Tehama 10 mi. E of Red Bluff, Rte. 36, mile marker 51 Comment
  CHSC53966  Limnanthes douglasii subsp. rosea Vernon H. Oswald 1991-4-30 4547 Tehama Manton Rd (A-6), 2.0 miles north of Dales. Roadside. 225 Comment
  RSA178674  Limnanthes douglasii subsp. rosea A. A. Heller 1926-4-10 13914 Tehama Along the Pacific Highway southeast of Vina. Comment
  CAS-BOT-BC45941  Limnanthes floccosa subsp. floccosa R. C. Barneby; J. T. Howell 1954-5-14 11481 Tehama 9 miles e. of Paynes Creek 1005 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
  CHSC75287  Limnanthes floccosa subsp. floccosa Vernon H. Oswald; Lowell Ahart 1999-4-21 9716 Tehama McClure Place on the High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake. Along the edge of the trail near the homestead. 609 Comment
  UC1594599  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
  CHSC41097  Limosella acaulis Pauleen Broyles 1982-5-17 609 Tehama Just s of Lassen Rd. 60 Comment
  JEPS86526  Linanthus bolanderi Roy E. Buck and Glenn L. Clifton 1990-3-29 1478 Tehama ca 2.5 air km nw North Tuscan Butte summit (14 air km ne of Red Bluff, ca 50 m sw of gravel road, just se of gas pipeline) 289 Comment
  UC908699  Linanthus latisectus L. V. Compton 1930-5-20 Tehama Circle S Ranch Comment
  CHSC116218  Lindernia dubia var. anagallidea Lowell Ahart; John Dittes 2015-6-22 20257 Tehama Drying strand of a man made pond, 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
  CHSC41100  Lindernia dubia var. anagallidea Pauleen Broyles 1982-8-5 838 Tehama Nature Conservancy Vina Plains Preserve. In east pasture. 66 Comment
  CHSC105936  Linum bienne Lowell Ahart; John Dittes 2010-7-17 16875 Tehama Near brush piles, about 80 yards south of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 819 Comment
  UCD138974  Listera convallarioides J. M. Tucker; L. K. Mann 1962-7-29 3635 Tehama ca. 3 miles east of the summit of South Yolla Bolly Mountain and 3/4 mile north of Ovenlid. 1981 Comment
  JEPS94170  Lithophragma affine Vernon Oswald and Lowell Ahart 1998-4-27 8972 Tehama w. Red Bluff (s.e. of Platina, Pettyjohn Rd. 0.9 mi. w. of its junction w/ Weemasoul Rd.) 597 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
  CHSC55283  Lithophragma parviflorum var. trifoliatum L. P. Janeway 1991-4-18 3905 Tehama Battle Creek Wildlife Area. Upper slope of steep north-facing bluff on south side of and above Battle Creek, ca 1 1/2 mi east of the Sacramento River. 161 Comment
  CHSC55407  Lithophragma parviflorum var. trifoliatum Vivian L. Long 1991-4-4 4 Tehama Ca. 4 m e Hwy 36, 4.8 km ne Red Bluff. 90 Comment
  CHSC62001  Lithophragma parviflorum var. trifoliatum Robert S. Compton 1993-4-10 18 Tehama 120 m n of Reed's Creek Rd and 200 m w of the Reed's Creek School, 10 km west of Red Bluff. 100 Comment
  CHSC23391  Lithospermum californicum B. Garamendi 1974-5-10 25 Tehama Mill/Deer Creek Study Area. Ponderosa Way at Round Mountain. Along roadside. 1158 Comment
  CHSC80619  Lithospermum californicum Lowell Ahart 2001-6-16 8863 Tehama On north side of the dirt road, about 3 miles west of Highway 32, west of Soda Springs Campground, about 4 miles (air) west of Butte Meadows. 1158 Comment
  UC1010436  Lithospermum californicum Milo S. Baker 1953-6-21 12756 Tehama logging road west of Paskenta Whisky Saddle 1448 Comment
  CHSC96655  Logfia gallica Lowell Ahart 2007-5-8 13760 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
  JEPS105902  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
  HSC1660  Lolium perenne Larry Berti 1969-5-9 72 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  HSC31983  Lolium perenne Donald Spalinger 1974-5-5 53 Tehama 21 mi. E of Trinity Co. line on Hwy. 36 Comment
  UCD66636  Lolium temulentum A. A. Beetle 1942-5-18 3306 Tehama Near Paynes Creek, Gleason Experimental Plots. Comment
  CHSC78581  Lomatium californicum J. Marr; N. Wight 1998-6-9 Tehama About 20 air miles W of Red Bluff, vicinity of Red Bank Ck and Sunflower Gulch. 304 Comment
  CHSC65714  Lomatium caruifolium var. denticulatum Vernon H. Oswald; Lowell Ahart 1996-4-3 7286 Tehama CDFG parcel on the S side of Gyle Rd. NW of Corning. NW side of Sacramento Valley. 103 Comment
  UC765469  Lomatium caruifolium var. denticulatum R. F. Hoover 1937-5-19 2257 Tehama near Vina Comment
  JEPS89915  Lomatium dasycarpum Dean W. Taylor 1987-4-27 8939 Tehama dry creek bed equidistant between Del Monte Dr. & Baywood Dr. Tehama Co. (reached via Bowman Rd.); Upper Sacramento Valley 161 Comment
  HSC38901  Lomatium dasycarpum subsp. tomentosum J. P. Smith, J. O. Sawyer 1971-5-22 4648 Tehama 37 mi. W of Mineral on Hwy. 36 305 Comment
  SEINET9084976  Lomatium dasycarpum subsp. tomentosum B. Ertter 1990-5-12 8935 Tehama NW side of Dry Fork Creek, NW of junction of Hwy 36 and Rte A5 (Bowman Road), ca 15 air miles WNW of Red Bluff, on Reed property. 183 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
  CHSC105998  Lomatium macrocarpum B. Castro; L. P. Janeway 2000-4-21 1090 Tehama High Cascade Range. North side of Mill Creek near Black Rock Campground, ca 300 ft west of Black Rock and north of Ponderosa Way. Just off trail, on short basalt side-ridge at top of steep bank above creek. 649 Comment
  RSA26163  Lomatium macrocarpum Alice Eastwood, John Thomas Howell 1941-7-9 9824 Tehama Near Government Flat. Comment
  UC923153  Lomatium macrocarpum Freed W. Hoffman 1950-7-1 3269 Tehama the Ovenlid, a sandstone, round-topped outcrop w. Tehama Co. 1828 Comment
  UC923155  Lomatium macrocarpum Freed W. Hoffman 1950-7-2 3270 Tehama rd. from Colyer Springs to Red Bluff 914 Comment
  UCD127697  Lomatium macrocarpum Dean W. Taylor 1976-7-9 6048 Tehama Cub Creek. 1859 Comment
  JEPS12243  Lomatium marginatum var. marginatum Virginia Bailey 1938-4-16 Tehama 6 mi. w. Paskenta (along Paskenta-Covelo Rd.) Comment
  JEPS17155  Lomatium marginatum var. marginatum W. L. Jepson 1899-4-25 14286 Tehama Stiver's Ranch, Crane Creek 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
  CHSC96615  Lomatium utriculatum Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13614 Tehama On the east bank 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
  UCSB63896  Lomatium utriculatum Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Hwy. 36 NE of Red Bluff in Tehama Co.; T28NR2W NW1/2 NE1/4 Sect. 8; Cascade Range Foothills 164 Comment
  CHSC53930  Lomatium vaginatum Vernon H. Oswald; Lowell Ahart 1991-4-16 4493 Tehama Lowrey Rd, ca. 1 mile north of McCarty Creek Rd, north of Paskenta. 243 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
  SEINET3854172 Image available Lotus A. A. Heller 1937-8-20 16170 Tehama Eastern end of Deer Creek Meadows Comment
  CHSC81264  Lotus corniculatus Caroline Warren; Heidi West 1999-6-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 316 Comment
  JEPS97226  Lotus humistratus Vernon H. Oswald and L. Ahart 1995-4-25 6698 Tehama T29N R2W NW1/4 NW1/4 Sec. 35, 700 ft, Cascade Range Foothills, Stony Tuscan Loam. 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 213 Comment
  RSA21506  Lotus humistratus Carl B. Wolf 1937-5-16 8692 Tehama Northern Sierra Nevada Foothills, Red Bluff - Susanville Road, 4 2/10 mi. below Paynes Creek. 244 Comment
  JEPS75818  Lotus nevadensis var. nevadensis Todd and Virginia Keeler-Wolf 1971-7-20 343 Tehama Upper Glade Yolla Bolly Mountains 1584 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
  CDA27304  Lotus purshianus var. purshianus L. Ahart, J. Dittes, J. Gannon, L. Martinez 2002-11-4 10006 Tehama Jewett Creek, east of Marguerite Road, about 1 1/4 mile (air) southeast of Corning. Comment
  JEPS115514  Lotus purshianus var. purshianus Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16314 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
  UC80904  Lotus purshianus var. purshianus T. S. Brandegee 1892-9-20 Tehama Red Bluff Comment
  UC725289  Lotus purshianus var. purshianus A. A. Heller 1937-6-21 Tehama Deer Creek Comment
  RSA31854  Lotus unifoliolatus A. A. Heller 1937-6-21 s.n. Tehama Deer Creek Comment
  UC702928  Lupinus adsurgens Alice Eastwood, John Thomas Howell 1941-7-9 9825 Tehama near Government Flat; near Government Flat Comment
  RSA105457  Lupinus adsurgens var. lilacinus Milo S. Baker 1955-7-25 13056 Tehama Mendocino National Forest above Whitlock Camp along County Road. 1524 Comment
  JEPS75783  Lupinus albicaulis Todd and Virginia Keeler-Wolf 1971-6-13 26 Tehama about 1/4 mi s Thunder Camp; Yolla Bolly Mountains, s of Thunder Camp 1371 Comment
  SEINET10544017  Lupinus albicaulis subsp. shastensis Melvin L. Conrad, David B. Dunn; Patricia L. Kenney 1973-6-7 Conrad 7068 A Tehama Bald ridge of grass and rock, 0.5 mile n of Mendocino Pass on road to Anthony Peak 1524 Comment
  SEINET10838118  Lupinus albifrons John O. Sawyer, K. A. Sawyer 1980-6-18 Sawyer 3563 Tehama Yolla bolly quad. T27n,r9w,sec.21. Humboldt trail e of low gap. Ponderosa pine Forest 1829 Comment
  UC1037487  Lupinus albifrons var. collinus Milo S. Baker and H. K. Wagnon 1953-6-21 12783 Tehama w Paskenta (West Tehama County); w of Paskenta 1219 Comment
  RSA21498  Lupinus albifrons var. eminens Carl B. Wolf 1937-5-15 8680 Tehama Inner North Coast Range. Mud Flat on Paskenta - Covelo Road. 610 Comment
  HSC82160  Lupinus andersonii Thomas W. Nelson, Jane P. Nelson 1979-6-25 4924 Tehama Wells Creek Campground 1280 Comment
  SEINET5558510  Lupinus arbustus H. S. Gentry, S. Koch 1962-1 19780 Tehama 22 mi. south of junction of Routes 32 and 89. 1066 Comment
  CHSC63911  Lupinus bicolor Lisa Krajcirik 1990-3-24 4 Tehama Ca. 1 mi e of Hwy 99 and ca. 1000 ft n of Thomes Creek. Roadside. 91 Comment
  CDA14469  Lupinus bicolor G. D. Barbe, A. A. Seawright, T. C. Fuller 1985-4-5 4202 Tehama west end of Burr Valley, 2.8 miles west of Hesse Road on Johnson Road; Reed Creek west of Red Bluff. 213 Comment
  HSC35422  Lupinus bicolor Robert M. Specht 1975-5-4 174 Tehama 7.5 mi. N of Red Bluff on I-5 at the Rest Stop 91 Comment
  CHSC102324  Lupinus bicolor var. tridentatus L. P. Janeway 2009-4-4 9720 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
  CHSC96661  Lupinus bicolor var. tridentatus Lowell Ahart 2007-5-8 13735 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
  CHSC80526  Lupinus congdonii Vernon H. Oswald 2001-3-26 9992 Tehama Hogsback Rd 2.4 mi west of Finley Lake. 755 Comment
  SEINET10485213  Lupinus densiflorus Charles Piper Smith 1932-5-14 Smith 4636 Tehama Gerber, n of r.r. Station. Comment
  UC1481930  Lupinus grayi D. B. Dunn and B. J. Cox 1971-6-10 17959 Tehama Hwy 36, 13 mi w Mineral; w of Mineral Comment
  SFV1889  Lupinus latifolius J. M. Tucker 1959-7-19 3575 Tehama North Coast Ranges Above Square Lake, upper side of South Yolla Bolly Mountain. 2119 Comment
  CHSC101408  Lupinus luteolus David Isle 1992-7-29 1547 Tehama Rocky open flat E of first drainage coming down Forks Ridge Rd 24 No1.2 into Thomas Ck watershed. Just NE of Willow Ck CRI study boundary. 1676 Comment
  RSA296817  Lupinus meionanthus Joseph Grinnell s.n. Tehama Mineral 1463 Comment
  CHSC79106  Lupinus microcarpus var. densiflorus B. Castro; L. P. Janeway 2000-3-22 1038 A Tehama Vicinity of Paskenta, Round Valley Rd, and Williams Butte. 356 Comment
  CHSC87905  Lupinus microcarpus var. densiflorus Lowell Ahart 2004-6-11 11028 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
  JEPS111416  Lupinus nanus J. Shade 2009-3-25 Tehama Dye Creek Preserve. By Canyon Head. By start of trail into the canyon. Comment
  CHSC40828  Lupinus nanus var. apricus Pauleen Broyles 1983-3-25 863 Tehama The Naure Conservancy Vina Plains Preserve. On rise to e of large vernal pool in central pasture. 66 Comment
  CHSC64530  Lupinus nanus var. vallicola Vernon H. Oswald 1995-4-3 6599 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. Locally common on the roadcut along Manton Rd, at the corner of the reserve. 225 Comment
  CHSC66133  Lupinus nanus var. vallicola Vernon H. Oswald; Lowell Ahart 1996-5-6 7536 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the s side of the gravel road 1.4 mi of the parking lot on Hwy. 36 (0.4 mi W of the powerline crossing the gravel road). 249 Comment
  JEPS97216  Lupinus nanus var. vallicola Vernon H. Oswald and L. Ahart 1995-4-3 6599 Tehama T29N R2W NE1/4 NE1/4 Sec. 26, 740 ft, 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 225 Comment
  NY15960  Lupinus navicularis A. A. Heller 1940-5-1 15572 Tehama On the Cone Ranch eas of Red Bluff, along U. S. Highway #99E. 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
  CHSC46815  Lupinus polycarpus R. Schlising 1986-3-24 4484 Tehama Vina Plains Preserve, about 15 mi n of Chico, on Hwy 99. 60 Comment
  UCR130066  Lupinus polyphyllus subsp. polyphyllus George K. Helmkamp, E. A. Helmkamp 2001-7-7 6908 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
  UCD109631  Lupinus succulentus Carl Mankinen 1968-5-11 s.n. Tehama immediately south of very tall telephone communications tower along freeway, 2.5 miles south of Liberal Avenue exit to Corning, U.S. Highway 99W. Comment
  RSA0036475  Lupinus vallicola subsp. apricus Daisie Huang 2006-4-15 06041531 Tehama Hog Lake Plateau, Manton Rd. 208 Comment
  HSC76496  Lupinus vallicola subsp. vallicola B. J. Cox, D. B. Dunn 1971-6-10 2849 Tehama 25 mi. E of Red Bluff on Hwy. 36 1037 Comment
  JEPS127228  Luzula comosa var. laxa Lowell Ahart, John Dittes 2016-4-29 20803 Tehama About 0.9 miles (air) northwest of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. Comment
  CHSC68973  Luzula parviflora Vernon Oswald; Lowell Ahart 1997-7-7 8967 Tehama Forest Route 35 at Cedar Creek near the northeast corner of the Yolla Bolly-Middle Eel Wilderness. Along a streamlet. 1066 Comment
  CDA41042  Lycium barbarum L. P. Janeway & B. Castro 2007-4-24 8999 Tehama Sacramento Valley; Along north side of Aramayo Way about half way between Highway 99 (Los Molinos) and Sacramento River (town of Tehama); 860 m west of Highway 99. Rio de los Molinos . Comment
  CHSC96741  Lycium barbarum L. P. Janeway 2007-4-24 8999 Tehama Sacramento Valley. Along north side of Aramayo Way about half way between Hwy 99 (Los Molinos) and Sacramento River (town of Tehama); 860 m west of Hwy 99. Growing along 15 m right-of-way fence line and 8 m into adjacent weedy annual grassland field. 64 Comment
  JEPS104122  Lycopus americanus Lowell Ahart 2003-9-17 10568 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
  UC54071  Madia elegans H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4400 Tehama near Morgan (Mill Creek Canyon); Mount Lassen 1066 Comment
  CHSC101391  Madia elegans subsp. elegans David Isle 1992-7-29 1555 Tehama Mendocino National Forest, Thomes Creek Watershed. Upper Forks Ridge. S of 24N01.2, between 24N02.1 and 24N32 jcts. 1755 Comment
  CHSC92791  Madia elegans subsp. vernalis John Dittes; Josephine Guardino 2005-5-11 1107 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
  UC1949154  Madia exigua Barbara Ertter 1991-5-18 9830 Tehama near gate between pastures; Rosewood Ranch on Salt Creek ca 17 airmiles WNW of Red Bluff, ca 1/2 mi S of Hwy 36 Comment
  SEINET10800974  Madia glomerata David B. Dunn 1971-8-15 Dunn 18174 Tehama 1 1/2 mi. W of Lassen Park headquarters. Comment
  JEPS102852  Madia gracilis Lowell Ahart 2001-6-16 8877 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
  UC2027909  Madia gracilis Barbara Ertter 1990-5-12 8932 Tehama NW side of Dry Fork Creek NW of junction of Highway 36 and Route A5 (Bowman Rd) ca. 15 air miles WNW of Red Bluff, on Reed property Comment
  UCD80087  Madia gracilis CNPS SN Foothill Team 2005-5-9 SNFN 0162 Tehama TNC Dye Creek Preserve, north of the North Main Road, and northeast of the rock wall. 271 Comment
  JEPS88566  Madia subspicata Vernon H. Oswald and Lowell Ahart 1996-5-20 7574 Tehama BLM parcel along Hwy 36 ne Red Bluff (on bank of intermittent stream at ne end of parcel); Cascade Range Foothills, Hog Lake Plateau 182 Comment
  UCD80096  Madia subspicata CNPS SN Foothill Team 2005-5-18 SNNR 0081 Tehama TNC Dye Creek Preserve. Stand is near the upper end of Brown Gulch, NW of Brown Gulch Road. 255 Comment
  UCSB63853  Madia subspicata Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Hwy. 36 NE of Red Bluff in Tehama Co.; T28N R2W SW1/4 NE1/4 Sect. 8; Cascade Range Foothills 182 Comment
  CHSC86024  Malacothrix floccifera Jenny Marr 1998-4-17 Tehama Vicinity of Salt Creek. 274 Comment
  UC614524  Malacothrix floccifera L. Constance, J. L. Morrison 1938-5-1 2184 Tehama 5 mi sw Paskenta; Inner North Coast Ranges 365 Comment
  SJSU6096  Marrubium vulgare N. D. Addy & R. L. Macdonald 1962-6-30 Tehama State Route 36 c. 11 mi W of Mineral Comment
  UCSB21939  Marrubium vulgare Simpson, C. 1967-3-25 Tehama Vacant lot adjacent to Western Manor Motel, Corning 91 Comment
  CHSC29849  Marsilea vestita K. R. Stern 1980-6-16 6657 Tehama 0.7 mi. east of Hwy. 99, just S of Lassen Rd.; 15 mi. N of Chico. 60 Comment
  CHSC62638  Marsilea vestita subsp. vestita Vernon H. Oswald; Lowell Ahart 1994-3-8 5978 Tehama Burris Creek Arm of Black Butte Lake at the shoreline near the E end of Morrison Bryant Rd. 144 Comment
  CHSC27836  Matricaria discoidea Eric J. Miller 1978-4-24 9 Tehama Ca. 1 km w of Sacramento River at Woodson Bridge. 28 Comment
  UCSB63935  Medicago arabica Oswald, Vernon; Ahart, Lowell 1996-5-6 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; T28N R3W NW1/4 SW1/4 Sect 13, Cascade Range Foothills; along Paynes Creek at this lo¬cation 124 Comment
  JEPS103422  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
  CHSC107251  Medicago polymorpha Lowell Ahart; John Dittes 2011-6-9 17458 Tehama Rio De Los Molinos Land Grant. On a farm road, about 40 yards northeast of the canal crossing, 1.6 miles (air) east of Highway 99, 2.1 miles (air) northeast of Vina. 76 Comment
  CHSC65733  Medicago polymorpha Vernon H. Oswald; Lowell Ahart 1996-4-3 7304 Tehama Thomas Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of the Sacramento Valley. Growing along the intermittent stream ca. 0.4 mi E of the dirt lane along the W side of the parcel. 103 Comment
  JEPS118025  Medicago polymorpha Lowell Ahart, John Dittes 2011-6-9 17458 Tehama Rio De Los Molinos Land Grant. On a farm road, about 40 yards northeast of the canal crossing, 1.6 miles (air) east of Highway 99, 2.1 miles (air) northeast of Vina 76 Comment
  CHSC55220  Medicago praecox L. P. Janeway 1991-4-18 3899 Tehama Battle Creek Wildlife Area. Tablelands on south side of an above Battle Creek, ca 1 1/2 mi east of the Sacramento River. 167 Comment
  CHSC64532  Medicago praecox Vernon H. Oswald; Lowell Ahart 1995-4-10 6617 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. 207 Comment
  CHSC96635  Medicago praecox Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13612 Tehama On the banks 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
  HSC14997  Medicago praecox John L. Heywood, D. H. Norris 1968-3-31 1845 Tehama Hwy. 36, 56 mi. E of Shasta Co. line. Comment
  CHSC64583  Melica californica Vernon H. Oswald; Lowell Ahart 1995-4-10 6639 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. Near the n boundary approaching the w end of the basalt ridge crossing the ne corner of the reserve. 225 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
  UC1137000  Melica californica August L. Hormay 1929-6-9 Tehama Campbellville Comment
  UCD87017  Melica californica A. A. Heller 1916-4-20 12338 Tehama 3 miles N of Redding. Comment
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Jul 15 2013
  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
  UCD87316  Melica geyeri Beecher Crampton 1954-6-16 1977 Tehama Crane Mills logging road, 1 mile northwest of Whiskey Saddle, Mendocino National Forest--Paskenta District. 1524 Comment
  UCD32623  Melica harfordii Beecher Crampton 1954-6-16 1995 Tehama Tehama County, 3 miles south of Howell Saddle. 1892 Comment
  UCD80572  Melica harfordii CNPS SN Foothill Team 2005-6-22 SNNR 0419 c Tehama USFS Lassen National Forest, near the Ishi Wilderness boundary, between Big Dry Creek and FR28N29. 1118 Comment
  CAS-BOT-BC281034  Melica stricta G. L. Stebbins 1972-6-18 8095 Tehama Wells Creek, S of Mt Tedoc 792 Comment
  SEINET200096 Image available Melica stricta var. stricta J. M. Tucker, LK Mann 1959-7-19 3557 Tehama SE side of South Yolla Bolly Mt 2256 Comment
  UCD80573  Melica torreyana CNPS SN Foothill Team 2005-5-10 SNFN 0256 b Tehama TNC Dye Creek Preserve, near Los Molinos, adjacent to Dye Creek, about 1/2 mile up trail from lodge/office. 119 Comment
  CHSC87848  Melilotus albus Lowell 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. 338 Comment
  JEPS106326  Melilotus officinalis Lowell Ahart 2004-6-11 11025 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
  CHSC81275  Mentha canadensis Caroline Warren; Jenny Marr, L. P. Janeway, B. Castro 1999-8-11 Tehama Vicinity of South Fork Cottonwood Creek and Long Gulch. 332 Comment
  JEPS97357  Mentha pulegium Vernon H. Oswald and L. Ahart 1995-7-31 7160 Tehama T29N R1W NW1/4 Sec. 5, 1100 ft, Cascade Range Foothills, Blue Oak Woodland. Manton Rd. (A6) at Morgan Creek, 8.0 mi NE of Dales (on Hwy. 36), 0.3 mi W of Lane Valley Rd. (just W of the buildings at Long Ranch) 335 Comment
  JEPS13949  Mentzelia dispersa Rimo Bacigalupi with G. T. Robbins, K. Wagnon and D. Barbe 1955-7-17 5348 Tehama 19.5 mi n Paskenta (just east of summit of ridge); Mendocino National Forest, Post Pile Camp 1948 Comment
  CHSC83388  Micranthes californica L. P. Janeway; Shirley Innecken 2002-3-12 7437 Tehama Inner North Coast Ranges. Vicinity of Williams Butte, Thomes Creek, and Round Valley Road. 280 Comment
  SBBG2838  Micranthes integrifolia H. and M. Dearing 1938-6-22 2095 Tehama Deer Crk Comment
  CAS-BOT-BC429094  Micranthes odontoloma P. A. Munz 1951-7-25 16842 Tehama Square Lake, n. base of South Yolla Bolly Mts. 2148 Comment
  CDA15432  Micropus californicus var. californicus G. F. Hrusa, J. Hart 1998-5-1 14435 Tehama Sacramento Valley; Ridge above Coyote Creek wash, Coyote Creek Conservation Area ~1 mi. W of Paskenta Rd. Comment
  CHSC28782  Micropus californicus var. californicus J. D. Jokerst 1979-4-1 190 Tehama Vina Plains. N. bank of Zimmershed Cr. Comment
  HSC75074  Micropus californicus var. californicus J. P. Smith 1979-4-29 10075 Tehama Hwy. 36 at Basler Rd. Comment
  JEPS15234  Microseris douglasii subsp. douglasii Rimo Bacigalupi with G. T. Robbins and Francia Chisaki 1956-4-18 5598 Tehama bank along US Hwy 99-E 1.5 mi n Butte County line 67 Comment
  CHSC77362  Microsteris gracilis Heidi West; Natalie Wight 1999-3-11 Tehama Vicinity of Newville, Newville Road, and Salt Creek. 243 Comment
  CHSC112991  Mimetanthe pilosa Lowell Ahart 2013-8-2 18990 Tehama South bank 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
  UC980578  Mimulus Milo S. Baker 1953-5-10 12621 Tehama logging road w Paskenta (about 10 mi post) Comment
  JEPS110133  Mimulus breweri Lowell Ahart 2006-7-19 13035 Tehama West edge of an open flat, about 100 yards west of the dirt road, along the east side of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525 Comment
  SEINET3365883 Image available Mimulus breweri Louise Kellogg 1952-7-9 10 Tehama Near Squaw CAmp and Pole Corral on Boswell Ridge directly south of South Yolla Bolly Mountain 2134 Comment
  UC1239034  Mimulus breweri Freed W. Hoffman 1947-6-23 1677 Tehama Government Flat North Coast Ranges 796 Comment
  CDA11958  Mimulus douglasii G. F. Hrusa 1989-4-1 5907 Tehama North Coast Ranges; Hwy 36 approx. 1/2 way between Red Bluff and Wildwood. Comment
  UCD167266  Mimulus douglasii John Gibson 2016-3-25 1 Tehama Pettyjohn Rd about one mile east of junction with road to Saddle Camp. About 34 miles west of Red Bluff. From Red Bluff, take Reeds Creek Rd west for 18 miles. Then left onto Pettyjohn Rd. Continue 16 mi.on Pettyjohn Rd to location. Comment
  SEINET12319562  Mimulus guttatus Unknown 1980-1 31 Tehama Ponderosa Way 2.2 mi N of Deer Creek 705 Comment
  JEPS97005  Mimulus kelloggii Vernon H. Oswald and L. Ahart 1994-3-8 5983 Tehama T23N R7W SE1/4 Sec. 22, 1280 ft, Chaparral-Foothill Woodland ecotone. Round Valley Rd. 0.2 mi S of the E end of Mud Flat Rd., SW of Paskenta 390 Comment
  CDA41706  Mimulus layneae S. E. Schoenig 1998-7-5 98 -74 Tehama Highway 32, 1 mile northeast of Potato Patch Campground. 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
  JEPS22409  Mimulus layneae Francia Chisaki, Gene B. Newcomb 1958-6-20 1140 Tehama on road to Inskip Look-out (off road n out of Paynes Creek to Inskip Power House); Lassen National Forest 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
  CHSC102628  Mimulus moschatus Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16329 Tehama 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
  HSC81960  Mimulus moschatus Thomas W. Nelson, Jane P. Nelson 1979-6-25 4891 Tehama Along road from Tedoc Gap to Well's Creek, 0.25 mi. SE of Weston Ranch 1280 Comment
  RSA724885  Mimulus moschatus L. Ahart 2006-8-15 13194 Tehama East of Colby Creek, west of the poor dirt road, about 3/4 miles (air) northwest of Jonesville, about 4.75 miles (air) northeast of Butte Meadows. 1504 Comment
  JEPS101497  Mimulus nanus Dean W. Taylor 1997-7-18 16136 Tehama Ball Rock 1981 Comment
  JEPS88467  Mimulus nasutus Vernon H. Oswald and Lowell Ahart 1996-4-23 7427 Tehama BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills, Blue Oak Woodland, Tuscan mudflow substrate. Pool W of Hog Lake. Comment
  UC1949180  Mimulus pilosus Barbara Ertter with Brad Olson 1991-7-5 10313 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [= Stiver's Ranch], ca 15 airmiles WNW of Red Bluff; streambed of Long Gulch in SE corner of ranch 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
  JEPS17589  Mimulus torreyi Rimo Bacigalupi with G. Thomas Robbins 1955-7-18 5366 Tehama 2.8 mi ne Lomo Inn (at Humboldt Road) (along State Highway No. 32, 2.0 mi ne of Butte-Tehama Co. line); Cascade Creek watershed 975 Comment
  JEPS4200  Mimulus torreyi A. A. Heller 1938-6-22 15176 Tehama near Deer Creek Lodge (along Highway #36) 1463 Comment
  RSA535412  Mimulus torreyi David M. Thompson 1986-6-27 553 Tehama Hwy 36 at Plumas Co. line. 1494 Comment
  CHSC64348  Minuartia californica Vernon H. Oswald; Lowell Ahart 1995-2-22 6493 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 abandoned road on the ridge in the ne corner of the reserve. 219 Comment
  HSC1835  Minuartia californica Larry Berti 1969-3-19 31 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
  JEPS102490  Minuartia cismontana Vernon H. Oswald and Lowell Ahart 2001-5-7 10010 Tehama Forest Road 26N15 4.9 mi W of Hwy 32, between Soda Springs and Cohasset Ridge 1072 Comment
  CDA15435  Minuartia douglasii G. F. Hrusa, J. Hart 1998-5-1 14432 Tehama Sacramento Valley; Edge of Coyote Creek wash, Coyote Creek Conservation Area ~1/2 mi. W of Paskenta Rd. Comment
  CHSC65929  Minuartia douglasii Vernon H. Oswald; Lowell Ahart 1996-4-15 7382 .1 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On meander plain ca. 0.3 mi E of the lane. 100 Comment
  JEPS90750  Minuartia douglasii Dean W. Taylor 1991-5-9 11684 Tehama along Rawson Rd. near western end of Tehama Avenue ((ca. 5 mi w of Gerber), (Gerber 7 1/2' USGS quadrangle)); Sacramento Valley, Truckee Creek 94 Comment
  CHSC87234  Minuartia pusilla Jenny Marr; L. P. Janeway 1999-4-7 Tehama Vicinity of Rocky Ridge and uppermost North Fork Stony Creek. 213 Comment
  JEPS61327  Mirabilis greenei W. L. Jepson 1899-4-27 Tehama Cold Fork; Yolla Bolly Mts. Comment
  CHSC68965  Mitella trifida Vernon Oswald; Lowell Ahart 1997-7-7 8716 Tehama Forest Route 35 at a brach of the South Fork of Beegum Creek 0.4 mi west of Rat Trap Gap, north side of the Yolla Bolly-Middle Eel Wilderness. 1706 Comment
  CHSC80225  Mollugo verticillata B. Castro; L. P. Janeway 2000-5-23 1176 Tehama Vicinity of Orland and Black Butte Lake, near Rice Creek. 103 Comment
  SBBG100116  Mollugo verticillata B. Ertter 1989-10-21 8888 Tehama S side of NW arm of Black Butte Lake, W of Orland 152 Comment
  NY429286  Monardella A. A. Heller 1916-6-19 12395 Tehama West of Proberta Comment
  RSA201217  Monardella odoratissima Hans Leschke 1960-8-5 1678 Tehama Between Summit Lake and Bear Lakes, Lassen Volcanic National Park 2134 Comment
  CAS-BOT-BC222060  Monardella odoratissima subsp. pallida A. A. Heller 1937-7-21 15931 Tehama Near the Sulphur Works entrance to Lassen Volcanic National Park Comment
  CHSC61745  Monardella odoratissima subsp. pallida Vernon H. Oswald 1993-9-2 5894 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2346 Comment
  UC1002632  Monardella odoratissima subsp. pallida Milo S. Baker and H. K. Wagnon 1953-7-11 12818 Tehama 3 mi above Whitlock Camp 1524 Comment
  UC2035955  Monardella odoratissima subsp. pallida Milo S. Baker 1940-8-14 9841 Tehama Near Murphy's along trail west of house leading north, Government Flat Comment
  UC2035961  Monardella odoratissima subsp. pallida O. H. Kappler 1946-7-21 1350 Tehama Cliff Falls, Lassen National Park 1920 Comment
  CDA40786  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 very steep southwest slope into inner canyon of Mill Creek above Big Bend . Comment
  CHSC80215  Monardella villosa subsp. villosa B. Castro; L. P. Janeway, S. Innecken 2000-6-5 1186 Tehama Vicinity of Paskenta, Thomes Creek, and Bowers Creek, on E edge of N-trending cyn of the smaller creek. 304 Comment
  UC2035925  Monardella villosa subsp. villosa Robert F. Hoover 1938-6-10 3593 Tehama North of Jelley's Ferry 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
  JEPS35221  Monolopia major Blankinship 1911-4-7 Tehama Corning Comment
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Feb 9 2019
  CHSC56320  Montia chamissoi K. R. Stern 1986-5-21 8257 Tehama Deer Creek Meadows, 1 mi SE of jct of hwys 32 and 36. 1402 Comment
  JEPS43342  Montia chamissoi Jos. Grinnell 1927-6-1 Tehama Mineral, w edge Battle Creek Meadows Battle Creek Meadows; Mineral, Battle Creek Meadows 1463 Comment
  UC1019547  Montia chamissoi Louise Kellogg 1952-7-15 57 Tehama near Squaw Camp (on Boswell Ridge directly s of South Yolla Bolly Mountain, Mendocino National Forest, near Pole Corral); North Coast Ranges, Mendocino National Forest, Boswell Ridge 2133 Comment
  UC1023440  Montia fontana Milo S. Baker and H. K. Wagnon 1953-6-21 12777 Tehama loggin road w of Paskenta (near Twenty-one Mile Post) 1676 Comment
  CHSC46210  Montia linearis Pauleen Broyles 1985-3-23 940 Tehama The Nature Conservancy Vina Plains Preserve. In a hogwallow w of large vernal pool n of the barn in south pasture. 63 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
  CHSC94359  Montia linearis Lowell Ahart 2006-7-19 13047 Tehama In a large meadow and bog, about 40 yards west of the abandoned logging road, about 250 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows. 1540 Comment
  SBBG1954  Montia parvifolia H. and M. Dearing 1938-6-23 2106 Tehama above Deer Crk Falls Comment
  SEINET1909950  Muhlenbergia filiformis Barbara Ertter, Brad Olson 1991-1 10415 Tehama Tehama co.: 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
  UC768857  Muhlenbergia rigens R. F. Hoover 1940-9-22 4620 Tehama volcanic plateau ne Red Bluff (stream-bed) 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
  HSC74967  Myosurus apetalus var. montanus J. P. Smith, Thomas W. Nelson 1979-6-24 10182 Tehama Rd. to Stuart Gap, 0.8 mi. from Tedoc Gap. 1372 Comment
  JEPS105648  Myosurus minimus L. P. Janeway 2001-6-10 7147 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
  RSA700502  Myosurus minimus L. P. Janeway 2001-6-10 7147 Tehama High N Coast Ranges along road 28N36 1.1 km WSW of Tedoc Gap, along a minor tributary of S Fork Beegum Creek. 1340 Comment
  UC1026393  Myosurus minimus John Thomas Howell 1954-4-26 29191 Tehama 6 mi s Corning Comment
  UCD21106  Myosurus minimus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-23 282 Tehama Inks Creek Ranch site. Pool # INK207, UTMs 10T0579010; 4466394. Comment
  CHSC79349  Myosurus minimus subsp. minimus B. Castro; C. Warren 2000-4-13 1072 Tehama Vicinity of Black Butte Dam and Stony Creek. 115 Comment
  UC1736749  Myosurus sessilis Dean W. Taylor 1991-5-9 11688 Tehama Stony Creek, ca. 300 meters north of the creek along the right-of-way of electrical transmission lines (PG&E Pit-Vaca line) 112 Comment
  RSA535389  Najas gracillima Richard Yeo 1966-9-26 s.n. Tehama 21 miles downstream of Corning Corral, ca. 4 miles SW of Corning. Comment
  RSA201316  Nama lobbii J. T. Howell 1960-8-21 36306 Tehama Near Sulphur works entrance 1997 Comment
  RSA93463  Nassella cernua Keith Wagnon 1953-5-9 12594 Tehama Logging road west of Paskenta in foothills at 6 mi post above the road Comment
  CHSC78773  Nassella lepida Julie Cunningham; Heidi West, Caroline Warren 1998-4-27 Tehama Vicinity of Red Bank Creek, The Narrows, and Grizzly Creek. 274 Comment
  RSA756871  Nassella pulchra Barbara Ertter 1990-5-12 8933 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
  SEINET9305889  Navarretia Unknown 1954-6-15 1958 Tehama With Navarretia tagetina which is completely past flowering and ripening the fruit. Gravelly ridge above Thomes Creek, along the road 1 mi E of Paskenta. Comment
  SEINET198100  Navarretia divaricata Louise Kellogg 1952-7-18 92 Tehama Near Squaw Camp and Pole Corral on Boswell Ridge directly south Yolla Bolly Mountain 2134 Comment
  JEPS101682  Navarretia divaricata subsp. divaricata Dean W. Taylor 1997-7-18 16134 Tehama Ball Rock 1981 Comment
  CHSC64981  Navarretia divaricata subsp. vividior Vernon H. Oswald; Lowell Ahart 1995-7-12 7022 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 the upper bank of a pond and at the edge of the road. 1158 Comment
  RSA702982  Navarretia divaricata subsp. vividior L. P. Janeway, B. Castro 2004-5-30 8123 Tehama High Cascade Range. Slope above unnamed tributary from south into Deer Creek; 33 m above Road 27N08 (road from Hwy 32 across Deer Creek toward Onion Butte), 2.3 road km east of major hairpin turn where road starts dropping into the canyon. 1000 Comment
  UCD80648  Navarretia filicaulis CNPS SN Foothill Team 2005-6-29 SNNR 0441 c Tehama USFS, Lassen National Forest. 995 Comment
  CAS-BOT-BC230314  Navarretia heterandra Philip A. Munz 1949-5-14 13202 Tehama 7 miles S of Corning Comment
  RSA107405  Navarretia heterandra L. S. Rose 1955-6-19 s.n. Tehama Hog wallow, 8.5 miles S of Corning 91 Comment
  UCD48446  Navarretia heterandra John Thomas Howell 1955-6-12 30305 Tehama Rolling Plains, 8.5 miles south of Corning, Tehama Co. Comment
  UCD36237  Navarretia intertexta Beecher Crampton 1953-4-29 1170 Tehama Tehama County, 4 miles south of Dales, along Route 36. Comment
  JEPS97262  Navarretia intertexta var. intertexta Vernon H. Oswald 1995-5-22 6742 Tehama T29N R2W SW1/4 NW1/4 Sec. 35, 680 ft, Cascade Range Foothills, stony Tuscan loam. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff 207 Comment
  JEPS105971  Navarretia jepsonii Lowell Ahart 2004-6-11 11021 Tehama East of Dead Rabbit Lake, along trail to Dead Rabbit Lake, ca. 50 yd W of the Nomalaki Trail, 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 549 Comment
  CHSC94501  Navarretia leptalea subsp. leptalea Lowell Ahart 2006-8-15 13195 Tehama West side 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. 1503 Comment
  UC54538  Navarretia leptalea subsp. leptalea H. M. Hall and E. B. Babcock July 1-2, 1903 4388 Tehama near Morgan (Mill Creek Canyon, Mount Lassen); Mount Lassen, near Morgan (Mill Creek Canyon) 1524 Comment
  CHSC23860  Navarretia leucocephala Glenda Foster 1975-4-27 105 Tehama In roadside ditches along Lassen Road e of Hwy. 99, ca. 15 mi n of Chico. Comment
  CHSC41026  Navarretia leucocephala Pauleen Broyles 1982-4-15 418 Tehama The Nature Conservancy Vina Plains Preserve. 66 Comment
  UCD39791  Navarretia leucocephala (C. R?) Bell 1950-5-1 720 Tehama 8 miles N.E. of Flournoy, S.W. Tehama County in Sacramento Valley. Comment
  CAS-BOT-BC230364  Navarretia leucocephala subsp. bakeri Robert F. Holland 1979-4-1 417 Tehama NW of Jelly's Ferry Road ca 1.5 miles SW of Sacramento River Comment
  CHSC78885  Navarretia leucocephala subsp. leucocephala Julie Cunningham; Heidi West, Caroline Warren 1998-7-14 Tehama Vicinity of North Fork Stony Creek and Newville. 195 Comment
  JEPS122039  Navarretia leucocephala subsp. leucocephala Lowell Ahart, John Dittes 2014-5-16 19496 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
  UCD106395  Navarretia linearifolia subsp. pinnatisecta Amelie C. Blyth 1950-7-16 2 Tehama about 5 miles east of Childs Meadow, on Highway 36 and 89. Comment
  JEPS105973  Navarretia mellita Lowell Ahart 2004-6-11 11045 Tehama East of a small seep across and on the north side of the Nomalaki Trail, about 1/4 mile north of Bowers Creek, about 1 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta 582 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
  UC1112265  Navarretia pubescens R. C. Bacigalupi with S. Galen Smith 1957-6-24 5927 Tehama 8.1 mi s Corning (on highway to Orland (U.S. 99 W)) 76 Comment
  UC1606317  Navarretia pubescens Barbara Ertter, Brad Olson 1993-5-15 11722 Tehama nw of Orland (Buckhorn Campground, at n end of Black Butte Reservoir); Black Butte Reservoir 152 Comment
  UC526147  Navarretia pubescens John Thomas Howell 1934-6-17 12234 Tehama near Cottonwood Comment
  CHSC101431  Navarretia sinistra subsp. sinistra David Isle 1990-5-2 1539 Tehama Pollard Superior Tree Progeny Site, N of 24N01.2. 1280 Comment
  CHSC84283  Navarretia tagetina Lowell Ahart; John Dittes 2003-6-11 10251 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
  JEPS70477  Navarretia tagetina W. L. Jepson 1938-6-10 18969 Tehama 7 mi s Corning (9 mi n of Orland (Glenn Co.), near Sourgrass Creek, s Tehama Co.) Comment
  UCSB63857  Navarretia viscidula Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; T28N R2W SW1/4 SE1/4 Sect. 18; Cascade Range Foothills; ca. 0.6 mi southwest of the parking lot at Hog Lake 274 Comment
  CDA37619  Nelumbo lutea Stoffel 2005-7-19 PDR 1411565 Tehama Table Mtn Ranch in Red Bluff. Sheet 1 of 2. 0 Comment
  HSC3866  Nemacladus capillaris Alice Eastwood, J. T. Howell 1941-7-9 9723 Tehama Log Spring Ridge between Log Spring and Government Flat. Comment
  SEINET3812473 Image available Nemacladus capillaris Alice Eastwood, John Thomas Howell 1941-7-9 9723 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CHSC77326  Nemacladus montanus L. P. Janeway; B. Castro 1999-6-9 6460 Tehama Vicinity of Dry Creek, west of Red Bank Creek. 316 Comment
  JEPS6229  Nemacladus montanus Milo S. Baker and H. K. Wagnon 1953-5-30 12682 Tehama w of Paskenta (near the 5 mile post, w Tehama County) Comment
  JEPS3211  Nemophila heterophylla L. Constance, J. L. Morrison 1938-5-1 2185 Tehama overgrazed hills 5 mi sw Paskenta (Inner North Coast Ranges); , sw of Paskenta 365 Comment
  RSA537457  Nemophila heterophylla Barbara Ertter 1989-5-3 8440 Tehama Deer Creek Road (Rt 32) at milepost 12.00, E side of Deek Creek 20 airmiles SW of Chester. 976 Comment
  CHSC4065  Nemophila menziesii J. Wheeler 1967-4-20 7 Tehama Locally abundant atop creek bank s w side of the intersection of Reeds Creek and Paskenta Rd. s of Red Bluff. 91 Comment
  CAS-BOT-BC219389  Nemophila parviflora D. Haskamp; E. Sonnenblick; M. Taft 1995-4-22 34 Tehama On Hwy 36 at the intersection with Beegum Creek Comment
  HSC1747  Nemophila parviflora Larry Berti 1969-3-21 52 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from the dam 213 Comment
  CHSC67229  Nemophila pedunculata James D. Jokerst 1981-2-23 1243 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd. Growing along Zimmershed Creek located N of Pine Creek. Comment
  JEPS113132  Nemophila pedunculata Lowell Ahart, John Dittes, Josephine Guardino 2007-4-3 13623 Tehama On the west 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
  UC980586  Nemophila pedunculata Milo S. Baker and H. K. Wagnon 1953-5-31 12696 Tehama w Paskenta (near 5 mi post, w Tehama County); w of Paskenta Comment
  UCD80355  Nemophila pedunculata CNPS SN Foothill Team 2006-4-4 SNFN 0440 c Tehama Wurlitzer Ranch (private), north of Pine Creek. 289 Comment
  UC766873  Nicotiana quadrivalvis R. F. Hoover 1938-8-2 3726 Tehama 6 mi e Newville Comment
  CHSC82303  Nuttallanthus canadensis Lowell Ahart 2002-4-27 9553 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
  CHSC2302  Odontostomum hartwegii M. Underhill 1953-5-3 Tehama 152 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
  CHSC66059  Odontostomum hartwegii Vernon H. Oswald; Lowell Ahart 1996-5-6 7527 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 124 Comment
  CDA39391  Odontostomum hartwegii S. T. Ancell 1960-5-17 s.n. Tehama Child s Ranch, Battle Creek, west of Manton. 0 Comment
  CDA39392  Odontostomum hartwegii G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-19 2663 Tehama 23.7 km west of Old Highway 99 on Highway 36, 480 meters east of bridge over South Fork of Cottonwood Creek. Comment
  CAS-BOT-BC254323  Orcuttia pilosa F. T. Griggs 1974-6-3 s.n. Tehama 16 miles N of Chico, on the Vina Plains, 200 meters S of Lassen Road, 0.25 mile E of its intersection with Highway 99E Comment
  CHSC52893  Orcuttia pilosa R. D. Stone 1986-7-24 792 Tehama Central Valley. Vina Plains, 0.9 miles SW of Highway 99 and 1.3 miles due S of its intersection with Rowles Road. Vernal lake. 60 Comment
  CHSC52894  Orcuttia pilosa R. D. Stone 1986-8-24 805 Tehama Central Valley. TNC Vina Plains Preserve, N pasture 0.5 miles S of Lassen Road and 1.7 miles ESE of its intersection with Highway 99. Vernal pool. 67 Comment
  JEPS84163  Orcuttia pilosa R. D. Stone 1986-7-24 792 Tehama Vina Plains, 0.9 miles SW of Highway 99 and 1.3 miles due S of its intersection with Rowles Road. 60 Comment
  JEPS84164  Orcuttia pilosa R. D. Stone 1986-7-24 790 Tehama 0.6 mi sw Highway 99 (1.3 mi sse of its intersection with Rowles Road); Central Valley, Vina Plains 60 Comment
  JEPS84167  Orcuttia pilosa R. D. Stone 1986-7-19 764 Tehama s pasture about 0.8 mi nne Haille Road (0.2 mi n of barn); Central Valley, TNC Vina Plains Preserve 64 Comment
  UCD21122  Orcuttia pilosa Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-24 297 Tehama Vina Plains, SW of Highway 99 and Rowles Road. Pool # ROW002. UTMs 10S0584456; 4416102. Comment
  CAS-BOT-BC254346  Orcuttia tenuis R. F. Hoover 1939-5-11 4097 Tehama Plateau NE of Red Bluffs Comment
  CHSC52897  Orcuttia tenuis R. D. Stone 1986-8-23 801 Tehama Central Valley. About 12 miles NE of Red Bluff and 2.4 miles SW of Dales Lake on Inks Creek Ranch. Vernal pool. 187 Comment
  CHSC52908  Orcuttia tenuis R. D. Stone 1986-7-22 780 Tehama Central Valley. Reservoir 612, about 15 miles NE of Red Bluff, 1.3 miles NNW of Dales Lake on Inks Creek Ranch. Pond. Comment
  CHSC64826  Orcuttia tenuis Vernon H. Oswald 1995-6-4 6824 Tehama Dales 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. On the bed of Dales Lake (collected at the SW corner). 213 Comment
  CHSC66592  Orcuttia tenuis Vernon H. Oswald; Lowell Ahart 1996-7-8 7976 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the margins of Hog Lake (collected on the NE side). 265 Comment
  HSC89849  Orcuttia tenuis R. D. Stone, Roy E. Buck 1987-8-10 843 Tehama 1.5 mi. NNE of Dales and 0.25 mi. E of Manton Rd., 15 mi. NE of Red Bluff 210 Comment
  JEPS83919  Orcuttia tenuis R. D. Stone and R. E. Buck 1987-8-10 844 Tehama 1.1 mi ne Dales (0.3 mi e of Manton Road (County Road A-6), ca 15 mi ne of Red Bluff); Central Valley 205 Comment
  JEPS84128  Orcuttia tenuis R. D. Stone 1986-8-24 804 Tehama 0.15 mi e eastern TNC Preserve boundary (0.4 mi sw of Lassen Road crossing of Singer Creek); Central Valley, Vina Plains 67 Comment
  JEPS84138  Orcuttia tenuis R. D. Stone 1986-7-22 779 Tehama 0.6 mi nw Dales Lake (about 15 mi n of Red Bluff); Central Valley, Inks Creek Ranch 201 Comment
  SBBG115642  Orcuttia tenuis B. Crampton 1958-8-12 5072 Tehama ca. 10.8 mi NE of Red Bluff, ca. 7.8 mi NE of jct of St Hwy 36 with US Hwy 99E, ca. 4 mi SW of Dales, Hog Lake Comment
  UCD88257  Orcuttia tenuis Beecher Crampton 1958-8-12 5072 Tehama 10.8 miles northeast of Red Bluff, along State Hwy. 36. Comment
  UCR71594  Orcuttia tenuis R. D. Stone 1986-7-23 783 Tehama ABout 15 miles NE of Red Bluff and 2.6 miles NW of Dales Lake on Inks Creek Ranch 137 Comment
  SEINET11665623  Orcuttia tenuis Unknown 1982-1 Tehama 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-BC500197  Orobanche fasciculata John Thomas Howell 1960-8-19 36136 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2438 Comment
  UCD80489  Orobanche uniflora CNPS SN Foothill Team 2006-3-28 SNFN 0349 b Tehama TNC, Dye Creek Preserve, about 1000 m SW of the TNC office. 185 Comment
  RSA565106  Orthocarpus attenuatus D. W. Taylor 1992-4-5 13327 Tehama Thomes Creek; ca 1.2 mile upstream from Rawson Road Bridge. 99 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
  CHSC60294  Osmorhiza occidentalis Mary Ann Showers 1992-6-26 2578 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  HSC16725  Oxalis latifolia Larry Berti 1968-7-14 Tehama Red Bluff Comment
  CHSC84934  Oxypolis occidentalis Lowell Ahart 2003-10-17 10655 Tehama In a large meadow, on the west side of Willow Creek, about 3/10 mile south of Colby Lookout Road, about 1 mile north of Jonesville, about 4 miles northeast of Butte Meadows. 1524 Comment
  JEPS104417  Oxypolis occidentalis Lowell Ahart 2003-10-17 10655 Tehama In a large meadow, on the w side of Willow Creek, ca 3/10 mi south of Colby Lookout Rd, ca 1 mi n of Jonesville, ca 4 mi ne of Butte Meadows. Comment
  JEPS37602  Packera eurycephala Blankinship 1911-5-30 Tehama Redding Comment
  JEPS101378  Packera greenei Dean W. Taylor 1997-7-10 16123 Tehama Valentine Ridge; Yolla Bolly Mtns; Mendocino National Forest 685 Comment
  UC634933  Paeonia brownii L. V. Compton 1930-6-3 Tehama 10 mi e Mineral; Upper Circle S Ranch Comment
  RSA67181  Parnassia palustris var. californica P. A. Munz 1951-7-25 16849 Tehama Near base of South Yolla Bolly Mountains: Square Lake. 2149 Comment
  CHSC57803  Paronychia ahartii Vernon H. Oswald; Joe Molter 1992-4-29 4929 Tehama NE side of vernal pond located SE of Hwy. 36, ca. 1 mi due S of Hog Lake and ca. 4 mi (air) SW of Dales. 289 Comment
  LA106659  Paronychia ahartii Rimo Bacigalupi; Herbert L. Mason, Lucile Mason 1958-4-23 6290 Tehama Lower portions of Kirkwood plains, about 2 mi. W of Kirkwood and about 1.5 mi. W of U.S. Highway 99, about 7 mi. S of Corning 73 Comment
  JEPS50024  Parvisedum pumilum W. L. Jepson 1932-5-9 16358 Tehama rubble plain about 11 mi ne of Red Bluff (near Seven Mile Creek) 137 Comment
  JEPS50027  Parvisedum pumilum Jos. Grinnell 1927-5-26 Tehama between Payne Creek and Mineral 914 Comment
  CHSC41060  Paspalum dilatatum Pauleen Broyles 1982-6-24 833 Tehama The Nature Conservancy Vina Plains Preserve. Below manmade pond along irrigation ditch s of Lassen Road. 66 Comment
  JEPS97481  Pectocarya pusilla Vernon H. Oswald 1995-3-19 6526 Tehama T29N R2W SW1/4 NW1/4 Sec. 35, 690 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 210 Comment
  UCD35953  Pectocarya pusilla Beecher Crampton 1953-4-30 1184 Tehama 10 miles east of Beegum. 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
  CHSC80562  Pedicularis densiflora Vernon H. Oswald; Lowell Ahart 2001-5-7 10002 Tehama Forest Road 26N15 1.8 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1325 Comment
  UCSB13422  Pedicularis densiflora Breedlove, Dennis 1962-6-12 Tehama Road from Viola to Mineral, 9.5 miles south of Viola 1524 Comment
  UCD32625  Pediomelum californicum Beecher Crampton 1954-6-16 1997 Tehama Tehama County, Round Mountain area, Whitlock Camp. 1219 Comment
  JEPS13521  Pellaea brachyptera Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-17 5337 Tehama 1.2 mi below and s of Ovenlid (butte) (3/4 mi e of and above Somerset's Meadow) 1889 Comment
  CHSC68571  Pellaea mucronata var. californica Vernon H. Oswald; Lowell Ahart 1997-5-14 8437 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 7.9 mi south of Plum Creek Rd., 1.6 mi northwest of the South Fork Antelope Creek. 1018 Comment
  UC1238924  Penstemon Freed W. Hoffman 1949-7-21 3060 Tehama Summit of Mt. Tedoc North Coast Ranges, summit of Mt. Tedoc (western Tehama County) 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
  SFV17866  Penstemon azureus J. D. Dilley 1998-6-14 309 Tehama Battle Creek Vista, 20 miles east of Red Bluff on SR-36. 900 Comment
  RSA691021  Penstemon azureus subsp. azureus L. Ahart, John Dittes 2003-6-11 10263 Tehama On the S 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
  NY571140  Penstemon azureus var. angustissimus R. C. F. Bacigalupi 1955-7-17 5333 Tehama 1.2 miles south of Ovenlid and 3/4 mile east of and above Somerset Meadow; close to ridge-top; Mendocino National Forest 1889.8 Comment
  CHSC68705  Penstemon azureus var. azureus Vernon H. Oswald; Lowell Ahart 1997-5-14 8435 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 7.9 mi south of Plum Creek Rd., 1.6 mi northwest of the South Fork Antelope Creek. 1018 Comment
  UC1238927  Penstemon deustus Freed W. Hoffman 1950-7-3 3480 Tehama about 2 mi ne White Rock Ranger Station (western Tehama County); North Coast Ranges 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
  CDA41869  Penstemon heterophyllus subsp. purdyi Mark Black 1976-5-27 s.n. Tehama Highway 36 west of Red Bluff. 0 Comment
  UC1238954  Penstemon heterophyllus var. purdyi Freed W. Hoffman 1948-6-29 2496 Tehama along road from Alder Springs n across Grindstone Creek to Paskenta-Covelo road at Fiddler's Green 3.7 mi n Grindstone Creek; North Coast Ranges, n of Grindstone Cr, Fiddler's Green 655 Comment
  SEINET11262138  Penstemon laetus var. leptosepalus Robert L. Johnson, Mikel R. Stevens 2015-7-10 3945 Tehama Cascade Range. 17.1 rd mi southwest of jct with CA-36 on CA-32 (Deer Crk Hwy). E side of rd. Ca 31 air mi northeast of downtown Chico.; 0 1335 Comment
  CHSC43776  Penstemon neotericus Vernon Oswald 1984-6-7 1260 Tehama Calif. Hwy 32, 1.0 mi n-e of Potato Patch Campground. 1127 Comment
  CHSC83688  Penstemon neotericus L. P. Janeway 2001-6-24 7225 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
  JEPS102781  Penstemon neotericus Lowell Ahart 2001-6-16 8847 Tehama On the south side 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
  RSA103935  Penstemon neotericus Herbert McLean Evans 1922-07 s.n. Tehama Drakesbad. Lassen National Park. Comment
  UC887191  Penstemon newberryi var. newberryi A. A. Heller 1937-6-26 15348 Tehama on Highway #36 about 2 mi e Child's Meadows; e of Child's Meadows 1371 Comment
  CHSC90914  Penstemon purpusii Niall McCarten 1986-6-22 5291 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid,' S side Rd. 25N29. 2011 Comment
  OBI9274  Penstemon purpusii Robert F. Hoover 1963-7-4 8573 Tehama log Spring Ridge near Bodkin cabin Comment
  SBBG26884  Penstemon purpusii A. Eastwood, J. T. Howell 1941-7-9 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  NY640956  Penstemon purpusii R. C. F. Bacigalupi 1934-5-29 2404 Tehama Along Paskenta-Covelo Road, on slopes of Goat Hill, 2 miles east of Log Spring Ranger Station, Mendocino National Forest 1828.8 Comment
  RSA121386  Penstemon purpusii G. D. Barbe 1955-7-16 182 Tehama On the E ridge leading to the summit of S Yolla Bolly (Mt. Linn) 2287 Comment
  CHSC66466  Pentagramma triangularis subsp. triangularis Vernon H. Oswald; Lowell Ahart 1996-5-20 7578 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 182 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
  CHSC92909  Perideridia gairdneri D. Isle; Mike VanDame, Vicki Stoll, Jesse Rosenquist 1999-8-11 1409 Tehama Mendocino National Forest-- North Coast Ranges, Thomes Creek Watershed. Slanes Flat meadow east of cabin. 1642 Comment
  CHSC76503  Perideridia kelloggii Hiedi West; Beth Hendrickson 1999-6-3 Tehama Thomes-Newville. Vicinity of Salt Creek and Newville. 274 Comment
  CHSC64816  Perideridia oregana Vernon H. Oswald 1995-6-4 6820 Tehama Dales 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. Along the e fenceline near the s tip of reserve. 207 Comment
  CAS-BOT-BC418944  Persicaria lapathifolia L. E. Smith 1914-5-8 675 Tehama Red Bluff Comment
  CHSC66203  Persicaria lapathifolia Vernon H. Oswald; Lowell Ahart 1996-6-3 7722 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
  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
  CHSC84309  Persicaria punctata Lowell Ahart; John Dittes 2003-6-11 10282 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
  CHSC64520  Petrorhagia dubia Vernon H. Oswald; Lowell Ahart 1995-4-3 6579 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 a bank of the intermittent stream located ne of the northern cluster of pools, upstream from the pile of discarded powerline insulators. 207 Comment
  CHSC66483  Petrorhagia dubia Vernon H. Oswald; Lowell Ahart 1996-5-20 7611 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
  OBI77899  Petrorhagia dubia A. Lison, M. Blumler 1987-4-24 654 -10 Tehama hwy 36 between Dales and Paynes Crk; 4-5 mi SW of Dales Comment
  CHSC61736  Phacelia corymbosa Vernon H. Oswald; Lowell Ahart 1993-9-2 5913 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2438 Comment
  JEPS76670  Phacelia corymbosa L. R. Heckard 1972-6-17 2954 Tehama nw side Tedoc Mt. (along new road around w of mountain) 1280 Comment
  UC923093  Phacelia corymbosa Freed W. Hoffman 1950-7-2 3310 Tehama 0.8 mi sw public camp (w Tehama Co.); North Fork of Beegum Creek 914 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
  CHSC113259  Phacelia egena Lowell Ahart; John Dittes 2014-5-17 19508 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
  JEPS2171  Phacelia egena W. L. Jepson 1934-5-4 16627 Tehama 2 mi e Andrews road sta.; Big Antelope Creek Comment
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  JEPS94332  Phacelia egena Vernon H. Oswald and Lowell Ahart 1997-5-14 8442 Tehama 1.5 mi w of the bridge on the South Fork Antelope Creek (between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29) 11 mi s of Plum Creek Road); Ponderosa Way 975 Comment
  UC1001304  Phacelia egena Louise Kellogg 1952-7-12 28 Tehama South Yolla Bolly Mountain North Coast Ranges, Mendocino Nat. Forest, Middle Eel-Yolla 2438 Comment
  CDA40378  Phacelia egena J. T. Howell 1943-8-8 19189 Tehama Northwestern; Inner North Coast Ranges region; Anthony Peak; Tehama/Mendocino County 0 Comment
  HSC97208  Phacelia heterophylla subsp. virgata Thomas W. Nelson, Joe Molter 2004-6-21 9254 Tehama Along Ponderosa Way, 2 mi. from jct. with State Route 36 952 Comment
  RSA90829  Phacelia heterophylla subsp. virgata Milo S. Baker, H. K. Wagnon 1953-7-12 12847 Tehama Two and a half miles above Whitlock Camp. 1463 Comment
  UC923095  Phacelia heterophylla subsp. virgata Freed W. Hoffman 1950-7-2 3308 Tehama 34.8 mi w Red Bluff; Franklin POint Guard Station Comment
  UC923091  Phacelia imbricata Freed W. Hoffman 1950-7-2 3311 Tehama between Harrison Gulch Guard Station and public camp on North Fork Beegum Creek (0.7 mi from creek) 822 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
  JEPS108873  Phacelia mutabilis Lowell Ahart 2006-7-19 13049 Tehama East side of a large meadow and bog, about 40 yards west of the abandoned logging road, about 250 yards north of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows 1540 Comment
  RSA105329  Phacelia mutabilis Milo S. Baker, H. K. Wagnon 1954-7-11 12996 Tehama Logging road near Reservoir of Howell s Camp in edge of forest. 1829 Comment
  UC1543822  Phacelia mutabilis Harold and Virginia Bailey 1948-8-27 3054 Tehama Lopp Hwy below Sulphur Works (overlooking Sulphur Creek); Lassen Volcanic National Park 2072 Comment
  UC923124  Phacelia mutabilis Freed W. Hoffman 1950-6-30 3304 Tehama 6.2 mi n where Ball Rock Road leaves County Road west of Paskenta (w Tehama Co.) 1889 Comment
  JEPS101532  Phacelia purpusii Dean W. Taylor 1997-6-6 16026 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
  HSC75379  Phlox diffusa J. O. Sawyer, K. A. Sawyer 1980-6-18 3446 Tehama S of N Yolla Bolly Peak. 2348 Comment
  JEPS69962  Phlox diffusa J. Grinnell 1928-6-8 Tehama 4 mi n Mineral 1828 Comment
  UC1001307  Phlox gracilis Louise Kellogg 1952-7-12 32 Tehama South Yolla Bolly Mountains, Middle Eel-Yolla Bolla Primitive North Coast Ranges, Mendocino National Forest 2438 Comment
  RSA113945  Phlox speciosa subsp. occidentalis H. K. Sharsmith 1953-6-24 4349 Tehama Road to Ball Rock. 4.5 miles above Patton Mill. Mendocino National Forest. 1829 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
  CHSC77393  Phoradendron villosum L. P. Janeway; Jenny Marr, Mary Ann Griggs 1999-3-10 6388 Tehama Vicinity of Round Valley Road, Newville Road (Garland Road), and Williams Butte. 295 Comment
  UC1078852  Phoradendron villosum Job Kuijt 1957-5-21 1360 Tehama 8 mi. w. Mineral (Hwy. 36) 1493 Comment
  CAS-BOT-BC60746  Physaria occidentalis P. A. Munz 1951-7-26 16925 Tehama East flank of South Yolla Bolly Peak. 2346 Comment
  CDA36361  Phytolacca americana Ramona Robison 2011-8-24 Tehama Woodson Bridge SRA Natural Preserve. 0 Comment
  CHSC107230  Pilularia americana Lowell Ahart; John Dittes 2011-6-9 17431 Tehama Rio De Los Molinos Land Grant. Bottom of 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) north of Vina. 80 Comment
  CHSC4063  Pilularia americana J. Wheeler 1967-4-23 11 Tehama On the w side of Paskenta Rd. about 0.2 mile s of intersection of Live Oak Rd. and Paskenta Rd. 91 Comment
  CHSC24164  Pinus contorta subsp. murrayana C. E. Stopher 1976-1-17 2 Tehama At Deer Creek Meadows, lining Hwy. 32 3.2 km w of jct. Hwy. 32 and Hwy. 36. 1387 Comment
  CHSC4575  Pinus contorta subsp. murrayana C. Glascock 1965-2-7 229 Tehama 1.1 mi sw of junction of Hwy 32 with 36 (89) on Hwy 32. Comment
  CAS-BOT-BC72982  Pinus monticola J. M. Tucker; L. K. Mann 1959-7-19 3562 Tehama Ridge top ca. 1/2 mile east of summit of South Yolla bolly Mountain. Comment
  CHSC24167  Pinus monticola E. Stopher 1976-2-1 5 Tehama 8.7. Km n of jct. Of Hwy. 89 and Hwy. 36. On s side of Hwy. 89, ca 75 m from road. 2000 Comment
  HSC1535  Pinus ponderosa S. J. Hawks 1965-5-8 51 Tehama 5 mi. W of Mineral on Hwy. 36 Comment
  UCSB2769  Pinus ponderosa Wilken, Dieter; Haller, John; Langford, A. 1968-9-10 Tehama Along road 13 miles northwest of Paskenta, South Yolla Bolly Mtns. 1188 Comment
  CHSC28995  Plagiobothrys austiniae J. D. Jokerst 1979-4-12 202 Tehama W. of telephone installation, N. of Hogsback Rd., 4.2 mi. E. of Hwy. 99. Comment
  RSA739590  Plagiobothrys austiniae John Dittes 2003-3-30 2003 -5 Tehama Tehama County: Sacramento Valley, 12.5 air miles N by NW of Chico, 1.5 air miles E of Hwy 99, S of Lassen Road. 72 Comment
  JEPS68016  Plagiobothrys canescens W. L. Jepson 1899-4-30 21140 Tehama Red Bluff Comment
  JEPS68036  Plagiobothrys canescens J. W. Blankinship 1911-4-25 Tehama Red Bluff Comment
  JEPS97500  Plagiobothrys canescens Vernon H. Oswald and L. Ahart 1995-4-10 6631 Tehama Dales Station on Hwy. 36; ; T29N R2W NW1/4 NW1/4 Sec. 35, 700 ft, 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 213 Comment
  RSA485318  Plagiobothrys canescens C. B. Wolf 1937-5-16 8694 Tehama Northern Sierra Nevada Foothills, Red Bluff - Susanville Road, 4 2/10 mi. below Paynes Creek. 244 Comment
  CDA16178  Plagiobothrys fulvus G. F. Hrusa, J. Hart 1999-4-29 15031 Tehama Sacramento Valley; Coyote Creek Conservation Area, S of Red Bluff. 152 Comment
  JEPS90906  Plagiobothrys glyptocarpus var. glyptocarpus Dean W. Taylor 1993-4-28 13367 Tehama North Fork Hall Creek 4 mi upstream (w) from Interstate 5 (Sacramento Valley); , North Fork Hall Creek 137 Comment
  UC726295  Plagiobothrys glyptocarpus var. modestus A. A. Heller 1929-4-30 14852 Tehama Ranch Comment
  CHSC113326  Plagiobothrys nothofulvus Lowell Ahart; John Dittes 2014-5-16 19472 Tehama Along the sides of the poor dirt road, about 200 yards southeast of the lone oak tree, about 3/4 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. 99 Comment
  CHSC83876  Plagiobothrys nothofulvus Lowell Ahart; John Dittes, Daphne Christopher, Hannah Stevens 2003-4-17 10113 Tehama Along the trail, on the north side of Dye Creek, about 1/2 mile east of the Dye Creek buildings, Dye Creek Preserve, about 6 miles (air) northeast of Los Molinos. 174 Comment
  CHSC84675  Plagiobothrys nothofulvus Samantha Mackey Hillaire; Brian Elliott 2003-5-31 337 Tehama Lassen National Forest, Ishi Wilderness. North side of Ishi Wilderness at the Rancheria Creek Trailhead. Near the trailhead. 978 Comment
  SBBG121314  Plagiobothrys nothofulvus L. Ahart 2007-5-8 13717 Tehama Vestal Rd, ca. 5.3 mi W of intersection of Cannon Rd and Reeds Crk Rd, ca. 21 mi W of Red Bluff 304 Comment
  CHSC113260  Plagiobothrys scriptus Lowell Ahart; John Dittes 2014-5-16 19474 Tehama Along the sides of a small drainage, 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
  CHSC36831  Plagiobothrys scriptus J. D. Jokerst 1979-4-14 204 Tehama Adjacent to N side of Hogsback Road, 6.0 mi E of Hwy 99, S of Red Bluff. Comment
  CHSC64512  Plagiobothrys scriptus Vernon H. Oswald; Lowell Ahart 1995-4-3 6573 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. Near the w boundary on the service road used to construct the northern cluster of pools, between the pools and the unimproved crossing the reserve just to the south. 207 Comment
  CHSC64604  Plagiobothrys shastensis Vernon H. Oswald; Lowell Ahart 1995-4-25 6696 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. Between the old highway and the e fence on top of the basalt ridge crossing the ne corner of the reserve. 225 Comment
  JEPS127052  Plagiobothrys shastensis Lowell Ahart, John Dittes 2016-4-29 20820 Tehama 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. Comment
  JEPS68115  Plagiobothrys shastensis W. L. Jepson 1932-5-9 16365 Tehama rubble field 3-4 mi ne Red Bluff (near Seven Mile Creek) 137 Comment
  CHSC66044  Plagiobothrys stipitatus var. micranthus Vernon H. Oswald; Lowell Ahart 1996-5-6 7538 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the drying margin of Hog Lake (collected S end). 263 Comment
  JEPS122044  Plagiobothrys stipitatus var. micranthus Lowell Ahart, John Dittes 2014-5-16 19473 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
  UCD21110  Plagiobothrys stipitatus var. micranthus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-23 286 Tehama Inks Creek Ranch site. Pool # INK201. UTMs 10T0578791; 4466339. Comment
  CHSC79703  Plagiobothrys tenellus L. P. Janeway; B. Castro 2000-4-21 6666 Tehama High Cascade Range. North side of Mill Creek 2.1 km east of Black Rock and Ponderosa Way. 716 Comment
  SEINET8754017 Image available Plantago coronopus Richard R. Halse 2015-1 9329 Tehama Corning; along Short Drive just west of its intersection with Edith Ave. 80 Comment
  CHSC118635  Plantago erecta Richard R. Halse 2016-3-19 9649 Tehama Along Newville Road ca. 8.2 miles northwest of its junction with Interstate Hwy. 5 at Orland; northeast end of Black Butte Reservoir, near spillway to Stony Creek. 113 Comment
  CHSC55232  Plantago erecta L. P. Janeway 1991-4-11 3888 Tehama Battle Creek Wildlife Area. Tablelands on south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. 167 Comment
  CHSC60121  Plantago erecta Jean A. Graham 1988-4-10 7 Tehama Ca 30 mi ne of Orland, n side of Round Valley Rd. 2 mi w of Mendocino National Forest boundary. 377 Comment
  CHSC90690  Plantago erecta D. Isle 1996-3-7 1006 Tehama Mendocino National Forest--North Coast Ranges. North Fork Stony Creek Watershed. Wilder Research Natural Area. 304 Comment
  CHSC96527  Plantago erecta Lowell Ahart 2007-5-8 13723 Tehama On the east side 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
  CDA42165  Plantago erecta Laura Hagenauer 2002-4-6 20 Tehama Across the road from the Hogg Lake Botanical Reserve. Comment
  CHSC75390  Plantago lanceolata Ben Mhre 1997-4-14 27 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 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
  SJSU9116  Platanthera dilatata var. leucostachys R. L. MacDonald & N. D. Addy 1962-6-30 Tehama Childs Meadows, Hwy 36, c. 8 mi E of Mineral 1508 Comment
  CHSC12953  Platanthera leucostachys K. R. Stern; D. B. Joley, J. G. Geschke 1974-6-22 5801 Tehama Ca. 0.1 mi s of Bridge 8-70 over Deer Creek, Hwy. 32, ca. 7.6 mi s of intersection with Hwy. 36. Comment
  CHSC94329  Platanthera leucostachys Lowell Ahart 2006-7-19 13043 Tehama South side of a bog, about 50 yards east of the abandoned logging road, about 200 yards northeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows. 1540 Comment
  CHSC21150  Platanthera sparsiflora M. S. Taylor 1975-7-17 849 Tehama Carter Meadows, ca. 1/2 mi e of Butte Mountain, ca. 5 mi s of junc of Hwys 32,36, and 89. 1828 Comment
  CHSC35688  Platystemon californicus J. D. Jokerst 1982-4-14 1526 Tehama Occasional along the upper edges of Campbell Cr. South of Lassen Rd. and ca 100 meters East of where the creek forks. Comment
  JEPS88463  Plectritis ciliosa subsp. insignis Vernon H. Oswald, Lowell Ahart, and Joe Molter 1996-3-25 7268 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (on s. side of Paynes Creek, n.e. corner Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 213 Comment
  JEPS5122  Plectritis macrocera W. L. Jepson 1899-4-25 175 b Tehama Crane Creek, a tributary of the Cottonwood Crane Creek Comment
  UCD32621  Poa bolanderi Beecher Crampton 1954-6-16 1992 Tehama Tehama County, Hawell Saddle, open glade, 0.25 mile west of Howell camp. 1892 Comment
  CHSC54026  Poa bulbosa Vernon H. Oswald 1991-4-3 4484 Tehama Paynes Creek about 1000 ft upstream from the Sacramento River, in the Paynes Creek Recreation Area located ca. 6 mi north-northeast of Red Bluff. 88 Comment
  RSA714638  Poa bulbosa Daisie Huang 2006-4-15 6041505 Tehama Manton Rd. Flat open plateau 204 Comment
  SEINET196527 Image available Poa bulbosa Robert Ellis 1948-1-5 Tehama North-central Tehama County, Ellis Ranch. Comment
  CHSC66518  Poa pratensis subsp. pratensis Vernon H. Oswald; Lowell Ahart 1996-5-20 7607 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the bank along Paynes Creek. 158 Comment
  CHSC64584  Poa secunda subsp. secunda Vernon H. Oswald; Lowell Ahart 1995-4-3 6592 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 top of the ridge crossing the nw corner of the reserve. 201 Comment
  CHSC8247  Poa secunda subsp. secunda D. McClain 1969-4-25 51 Tehama 10 yds. w. of Highway 36, 10 mi. w. of Red Bluff. 70 Comment
  JEPS97502  Poa secunda subsp. secunda Vernon H. Oswald and L. Ahart 1995-4-3 6592 Tehama T29N R2W NW1/4 NW1/4 Sec. 26, 660 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Tufted perennial 201 Comment
  UCD90491  Poa secunda subsp. secunda A. A. Beetle 1942-5-19 3290 Tehama Near Cold Fork. Cold Fork Experimental Plot. Comment
  CAS-BOT-BC244274  Podagrostis humilis John Thomas Howell 1960-8-18 36063 Tehama Lassen Volcanic National Park. Bluff Falls 1981 Comment
  UC762111  Pogogyne zizyphoroides R. F. Hoover 1937-5-19 2291 Tehama Coyote Creek, south of Red Buff Comment
  UC762427  Pogogyne zizyphoroides R. F. Hoover 1937-5-19 2254 Tehama near Vina Comment
  RSA0022177  Pogogyne zizyphoroides J. T. Howell, L. S. Rose 1954-4-26 29192 Tehama 6 miles south of Corning. Comment
  JEPS95286  Polanisia dodecandra subsp. trachysperma Lowell Ahart 1994-7-24 7508 Tehama Butte Meadows; N side of Humboldt Road, W of bridge across Butte Creek, E of int. of Skyway (Bull Hill Rd) and Humboldt Road 1325 Comment
  JEPS108871  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
  CHSC115549  Polygonum aviculare Lowell Ahart; John Dittes 2015-8-5 20468 Tehama East side of Childs Meadow, 150 yards west of Hihgway 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
  CHSC55729  Polygonum aviculare K. R. Stern 1986-5-21 8306 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
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Jul 6 2009
  JEPS124017  Polygonum aviculare Lowell Ahart, John Dittes 2015-8-5 20468 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
  CAS-BOT-BC413951  Polygonum aviculare subsp. aviculare Alice Eastwood 1912-8-22 1802 Tehama Morgans Springs, Lassen Butte Region Comment
  JEPS127107  Polygonum aviculare subsp. depressum Lowell Ahart, John Dittes, Josephine Guardino 2016-9-21 21370 Tehama On the east side 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. Comment
  CHSC84663  Polygonum bidwelliae Samantha Mackey Hillaire; Brian Elliott 2003-5-31 11632 Tehama Lassen National Forest, Ishi Wilderness. Rancheria Creek Trail, a flat place in between the fork in the trail on a generally S facing slope. Right between the junction of the 2 branches of the trail; also on the trail north of this split. 742 Comment
  JEPS117353  Polygonum bidwelliae Lowell Ahart, John Dittes 2010-7-17 16865 Tehama On dry thin volcanic soil, south aspect on the north side of ''Initial Gulch'', about 1000 feet south of pond, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36 768 Comment
  UC402684  Polygonum bistortoides W. P. Taylor 1913-8-2 Tehama 2 mi s Yolla Bolly Mt. Comment
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Jul 5 2009
  CHSC70810  Polygonum bolanderi B. Castro; L. Janeway 1995-6-11 575 A Tehama On W side of Hwy 32, ca 4 air mi SW of Potato Patch Campground, at 'Windy Cut Lookout' overlooking Deer Creek canyon. On open bench ca 20 ft below the main knoll and parking area. 1127 Comment
  CDA13787  Polygonum californicum G. F. Hrusa 1996-8-17 13503 Tehama Sacramento Valley; Flats above creekbed of Blue Tent Creek immediately downstream from Jelly's Ferry Rd. crossing, and adjacent to Interstate 5. Comment
  CHSC64723  Polygonum californicum Vernon H. Oswald 1995-5-22 6743 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. Scattered plants on bare patches of gravelly soil on the basalt flow at the south tip of the reserve. 207 Comment
  CHSC64919  Polygonum californicum Vernon H. Oswald; Lowell Ahart 1995-6-13 6844 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. Locally common on the gravelly bed of the old highway s of the Old Hwy. Pool. 219 Comment
  JEPS117286  Polygonum douglasii subsp. douglasii Lowell Ahart 2010-9-21 17210 Tehama On damp bare soil, open meadow like area in red fir forest, about 70 yards east of the poor dirt road, about 80 yards west of Big Kimshew Creek, about 1 1/2 miles (air) northeast of Jones Meadow, about 2 1/2 miles (air) southeast of Philbrood Reservoir 1917 Comment
  UC1607542  Polygonum douglasii subsp. douglasii Barbara Ertter, Brad Olson 1991-7-6 10400 Tehama ca 1 mi s Ball Rock (1 mi se of Cold Spring Forest Station, ca 30 air mi w of Corning); Rocky Cabin meadow 1889 Comment
  CAS-BOT-BC418529  Polygonum minimum John Thomas Howell 1960-8-18 36041 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CAS-BOT-BC418532  Polygonum minimum John Thomas Howell 1943-8-8 19195 Tehama Anthony Peak 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
  CAS-BOT-BC420078  Polygonum polygaloides subsp. kelloggii P. A. Munz 1951-7-25 16867 Tehama 1 mi. e. of Square Lake, South Yolla Bolly Mts. 2133 Comment
  CHSC105654  Polygonum punctatum Lowell Ahart; John Dittes 2010-10-4 17285 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
  RSA768932  Polygonum punctatum L. Ahart, John Dittes 2010-10-4 17285 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 air miles east of the Sacramento River, 3.4 air miles southeast of Los Molinos (High School), 3 air miles northwest of Vina. 58 Comment
  CAS-BOT-BC109259  Polygonum shastense John Thomas Howell 1960-8-19 36155 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2682 Comment
  CHSC45384  Polygonum shastense Vernon Oswald 1986-8-4 2266 Tehama Lassen Volcanic National Park, Brokeoff Mt. Trail. Growing on a scree slope. 2560 Comment
  CHSC115587  Polygonum spergulariiforme Lowell Ahart; John Dittes 2015-8-5 20440 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
  JEPS97288  Polypogon maritimus Vernon H. Oswald 1995-5-28 6789 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 Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff 201 Comment
  CHSC77636  Polypogon monspeliensis Heidi West; Jenny Marr, Caroline Warren, Natalie Wight 1998-6-2 Tehama Vicinity of Salt Creek, North Fork Stony Creek, and Newville. 228 Comment
  CHSC88234  Polypogon monspeliensis Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11193 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
  JEPS96220  Polystichum imbricans Barbara Ertter 1991-9-2 10782 Tehama ca. 11 airmiles w.-s.w. Paskenta (Round Valley-Paskenta rd. (Rt. M4), 5.8 mi. e. of Log Spring Creek); s.w. Tehama co. 1371 Comment
  SBBG119946  Polystichum imbricans subsp. curtum L. Ahart 2004-4-10 10734 Tehama Bowers Crk, ca. 30 yds W of Nomalaki Trail, ca. 0.75 mi NW of Forest Rd 23N69 (Mud Flat Rd) 522 Comment
  CAS-BOT-BC76771  Polystichum imbricans subsp. imbricans Alice Eastwood; John Thomas Howell 1941-7-9 9818 Tehama Government Flat Comment
  CHSC116666  Polystichum imbricans subsp. imbricans Lowell Ahart; John Dittes, Josephine Guardino 2016-2-11 20698 A Tehama On the north side of Deer Creek Trail, between the fish ladder and Big Leaf Pond, about 1-3/4 miles by trail to Highway 32. 883 Comment
  CHSC68798  Polystichum imbricans subsp. imbricans Vernon Oswald; Lowell Ahart 1997-6-10 8550 Tehama Between Paskenta and Covelo on M2 (23N69) 0.9 mi west of its junction with M4, between Sugar Spring and Government Flat campgrounds. 1737 Comment
  JEPS127250  Polystichum imbricans subsp. imbricans Lowell Ahart, John Dittes, Josephine Guardino 2016-2-11 20698 -B Tehama About 100 yards northeast of Big Leaf Pond, about 1 1/2 miles by trail to Highway 32. Comment
  UC1478238  Polystichum lemmonii G. L. Stebbins 1972-8-18 Tehama w slope Little Red Mt. 1402 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
  UCD110651  Populus fremontii subsp. fremontii D. Sanchez-Mata 1997-9-17 s.n. Tehama Red Bluff. Sacramento River near William B. Ide State Historic Park. 85 Comment
  CDA43424  Potamogeton berchtoldii Loren Gehrung 2015-6-8 PDR# 520 P06087315 Tehama McCoy Road, Red Bluff. 0 Comment
  CHSC117730  Potamogeton crispus Lowell Ahart; John Dittes 2016-8-25 21296 Tehama In the Sacramento River, about 200 yards east of the parking area, 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
  JEPS66419  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
  UCD80682  Potamogeton diversifolius CNPS SN Foothill Team 2005-6-7 SNNR 0213 c Tehama TNC Dye Creek Preserve, near Ballard Spring. 434 Comment
  CHSC88547  Potamogeton pectinatus Jenny Marr; Beth Hendrickson 1999-5-27 Tehama Vicinity of Grizzly Creek and Little Grizzly Creek. In pond on the creek. 304 Comment
  RSA518679  Potamogeton pusillus subsp. tenuissimus L. R. Heckard, Peter Rubtzoff 1971-7-31 2682 Tehama In shallow water of lagoon off the Sacramento River just northeast of Red Bluff. Comment
  RSA739756  Potentilla glandulosa subsp. ashlandica John Dittes, Josephine Guardino, L. Ahart 2003-8-23 794 Tehama High N Coast Range, Yolla Bolly Middle Eel Wilderness, S Yolla Bolly Mtns, N slope of Mt. Linn, N edge of Square Lake. 2136 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-BC540576  Potentilla gracilis var. fastigiata Alice Eastwood; John Thomas Howell 1941-7-9 9809 Tehama Government Flat Comment
  UC466759  Prunus emarginata W. P. Taylor 1913-8-1 Tehama 2 mi s of South Yolla Bolly Mountain Comment
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Jul 5 2009
  CDA26198  Prunus subcordata L. P. Janeway, B. Castro 2000-4-22 6683 Tehama High Cascade Range; Along Ponderosa Way near top of Middle Ridge, overlooking South Fork Antelope Creek and Black Butte. Comment
  CHSC70903  Prunus subcordata Vernon Oswald; Lowell Ahart 1998-4-27 8975 Tehama Weemasoul Rd. near its junction with Pettyjohn Rd., west of Red Bluff and southeast of Platina. Along the edge of the road. 417 Comment
  JEPS95956  Prunus subcordata Vernon H. Oswald and Lowell Ahart 1999-4-21 9696 Tehama ca 0.5 mi NE of Finley lake ( High Trestle-McClure Place Trail starting on Hogback Road) 822 Comment
  JEPS105927  Pseudognaphalium luteoalbum Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11205 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
  JEPS117351  Pseudognaphalium stramineum Lowell Ahart, John Dittes 2010-7-17 16871 Tehama On dry red soil, about 200 yards southwest of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36 816 Comment
  RSA755492  Pseudostellaria jamesiana Barbara Ertter, Brad Olson 1991-7-6 10366 Tehama Rocky Cabin meadow ca 1 mile south of Ball Rock, 1 mile southeast of Cold Spring Forest Station, ca 30 air miles west of Corning. 1890 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
  UC1245159  Pseudostellaria jamesiana J. M. Tucker 1959-7-19 3576 Tehama ca 1 mi e Square Lake (beside trail, n side of South Yolla Bolly Mountain); n side of South Yolla Bolly Mountain, e of Square Lake 2133 Comment
  CAS-BOT-BC361813  Psilocarphus brevissimus var. brevissimus L. P. Janeway; Robin Fallscheer 1993-5-29 4359 Tehama Northeast side of Hwy 99, ca 180 ft southeast of Haille Road; ca 140 ft northeast of road centerline 62 Comment
  CHSC40582  Psilocarphus brevissimus var. brevissimus Pauleen Broyles 1982-5-17 617 Tehama The Nature Conservancy Vina Plains Preserve. Vernal pool just s of Lassen Road. Comment
  CHSC61955  Psilocarphus brevissimus var. brevissimus L. P. Janeway; Robin Fallscheer 1993-5-29 4360 Tehama Northeast side of Hwy 99, ca 180 ft southeast of Haille Road; ca 140 ft northeast of road centerline. 62 Comment
  CHSC77740  Psilocarphus brevissimus var. brevissimus B. Castro; H. West 1999-6-1 949 Tehama About 22 air miles W of Orland, vicinity of Newville and N. Fk Stony Creek. 207 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
  CHSC86054  Psilocarphus oregonus Jenny Marr; Caroline Warren 1998-4-28 Tehama Vicinity of upper North Fork Stony Creek, Newville Road, and Round Valley Road. 243 Comment
  SEINET11807867  Psilocarphus oregonus Unknown 1982-1 914 Tehama The Nature Conservancy Vina Plains Preserve 63 Comment
  CHSC79963  Psilocarphus tenellus var. globiferus B. Castro; L. P. Janeway 2000-5-11 1153 Tehama Vicinity of Orland and Black Butte Lake. 88 Comment
  CHSC87326  Psilocarphus tenellus var. 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
  CHSC105992  Ptelea crenulata B. Castro; L. P. Janeway 2000-4-21 1088 Tehama High Cascade Range. North side of Mill Creek near Black Rock Campground, ca 500 ft west of Black Rock and north of Ponderosa Way. On rocky edge of trail at top of steep bank above creek. 646 Comment
  UC1602325  Ptelea crenulata A. E. Wieslander 1933-8-21 339 Tehama Lassen Trail Paynes Creek Quad. (near 20 mi Hollow) 457 Comment
  CAS-BOT-BC460558  Pterospora andromedea H. F. Copeland 1920-7-17 112 Tehama Butt Mountain 1828 Comment
  CHSC66498  Pterostegia drymarioides Vernon H. Oswald; Lowell Ahart 1996-5-20 7575 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Growing at the base of a large rock on the bank of an intermittent stream at the northeast end of the parcel. 182 Comment
  CHSC70898  Pterostegia drymarioides Vernon Oswald; Lowell Ahart 1998-4-21 8931 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). In gravelly serpentine scree. 609 Comment
  JEPS94181  Pterostegia drymarioides Vernon Oswald and Lowell Ahart 1998-4-21 8931 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
  CHSC108067  Pycnanthemum californicum B. Castro; L. P. Janeway 2000-6-11 1289 Tehama High North Coast Ranges. NE-facing slope just N of Raglin Ridge Rd, at Twin Springs; near the top of Raglin Ridge. 1249 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
  JEPS103354  Pyrola asarifolia subsp. asarifolia Lowell Ahart 2002-6-29 9813 Tehama In the NW part of a meadow, E on the dirt road on the W side of Willow Creek, ca 1/8 mile SW of Colby Mountain Lookout Road where it crosses Willow Creek, ca 5 miles (air) NE of Butte Meadows. 1653 Comment
  CAS-BOT-BC384656  Quercus berberidifolia Andrew Townesmith; Karen M. Meyer 2007-8-5 903 Tehama Mendocino National Forest, Grindstone Ranger District. Vicinity of Thomes Gorge Trailhead, off Forest Service route M4, 10.4 miles southwest of the intersection of M4 and M2 in Paskenta 654 Comment
  CHSC77581  Quercus berberidifolia B. Castro; L. P. Janeway 1999-5-5 920 Tehama About 25 air miles NW of Orland, vicinity of Rocky Ridge, Williams Butte, and Garland/Round Valley Rd. 304 Comment
  OBI77046  Quercus chrysolepis Anthony Baniaga 2011-6-3 303 Tehama Lassen NF. Along 28N29. Barkley MTN quad T27N R2E sec 15 NE of SW 1072 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
  CDA20385  Quercus chrysolepis var. chrysolepis P. Akers 2002-5-1 s.n. Tehama Northern California; Hwy 36, W of Lassen Park turnoff. 1274 Comment
  JEPS76647  Quercus durata L. R. Heckard 1972-6-18 2978 Tehama n of Mt. Tedoc (trail down Wells Creek); Wells Creek 1158 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
  SEINET10730810  Quercus durata var. durata Andrew Townesmith, Karen M. Meyer 2007-8-5 Townesmith 900 Tehama Mendocino National Forest, Grindstone Ranger District. Vicinity of Thomes Gorge Trailhead, off Forest Service route M4, 10.4 miles southwest of the intersection of M4 and M2 in Paskenta. T23N R7W S28. 654 Comment
  UC1052829  Quercus kelloggii J. I. Mallory 1956-6-5 137 Tehama 1 mi nne Paynes Creek (Inskip Lookout road, e side Tehama County) 594 Comment
  UC1135646  Quercus kelloggii P. L. Johannsen 1936-8-4 977 Tehama 1 1/2 mi NW of jct of Chico and Little Smoke Creeks 1158 Comment
  UCD46638  Quercus kelloggii P. L. Johannses 1936-8-4 977 Tehama 1 1/2 miles northwest of junction of Chico and Little Smoke Creek. 1158 Comment
  CHSC53998  Rafinesquia californica Vernon H. Oswald; Lowell Ahart 1991-5-9 4565 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. On the north side of the Sacramento River, just west of the mouth of Paynes Creek. 91 Comment
  CHSC45700  Raillardella argentea Vernon Oswald 1986-8-4 2265 Tehama Brokeoff Mt. Trail, Lassen Volcanic National Park. 2560 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
  CAS-BOT-BC380408  Ranunculus alismifolius var. hartwegii A. A. Heller 1929-5-30 14578 Tehama stiff clay soil in a meadow at Mineral 1524 Comment
  CHSC87570  Ranunculus alismifolius var. lemmonii R. D. Fischer 2004-4-18 139 Tehama Chico. Sierra Nevada. Located west side of Hwy 32, near junction of county rd. 28N88 at Deer Creek Mdws. Site just south of Hwy 36 and Hwy 32 junction. In mdw. 1371 Comment
  CHSC65970  Ranunculus aquatilis var. aquatilis Vernon H. Oswald; Lowell Ahart 1996-4-23 7421 .1 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. In and along the northwest shore of Hog Lake. 263 Comment
  CHSC41088  Ranunculus aquatilis var. hispidulus Pauleen Broyles 1982-3-23 344 Tehama The Nature Conservancy Vina Plains Preserve. Irrigation ditch in w pasture. 62 Comment
  JEPS88510  Ranunculus canus Vernon H. Oswald, Lowell Ahart, and Joe Molter 1996-3-25 7259 Tehama BLM parcel along Hwy. 36 ne of Red Bluff (bordering Paynes Creek in ne corner of parcel, Cascade Range Foothills, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 152 Comment
  JEPS88893  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
  UCR265164  Ranunculus hebecarpus Barbara Ertter 1991-5-18 9828 Tehama Rosewood Ranch on Salt Creek c. 17 air miles west-northwest of Red Bluff, c. 1/2 mi south of Hwy 36 along creek 229 Comment
  CDA24330  Ranunculus hebecarpus J. C. Carlton & H. D. Metcalf 1975-4-15 s.n. Tehama Del Norte Drive, Cottonwood/Bowman area. 0 Comment
  RSA90835  Ranunculus occidentalis var. ultramontanus Milo S. Baker, H. K. Wagnon 1953-6-21 12758 Tehama Logging road W of Paskenta at Henderson's Canyon. 1524 Comment
  POM284379  Ranunculus orthorhynchus Lyman Benson 1949-6-21 13745 Tehama Just W of Deer Creek Pass, Cascade mt. range, Sacramento Valley drainage area. 1677 Comment
  UC1949157  Ranunculus orthorhynchus var. orthorhynchus Barbara Ertter with Brad Olson 1991-7-6 10396 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
  CHSC53979  Ranunculus testiculatus Vernon H. Oswald 1991-4-30 4545 Tehama Hwy 36 at Battle Creek Vista, 9.0 miles east of Paynes Creek, 0.9 mile west of Ponderosa Way. Beside the walkway to the overlook. 1170 Comment
  CHSC48831  Ranunculus uncinatus Vernon Oswald 1984-6-7 1270 Tehama Calif. Hwy 32, 1.8 mi s-w of Calif. Hwy 36. 1414 Comment
  CHSC66479  Raphanus raphanistrum Vernon H. Oswald; Lowell Ahart 1996-5-20 7589 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the flood plain of Paynes Creek. 152 Comment
  CAS-BOT-BC56117  Rhamnus ilicifolia Doris Kildale Gillespie 1930-5-9 9281 Tehama 12 miles west of Paynes Creek, Susanville road Comment
  CDA35694  Rhamnus ilicifolia S. T. Ancell Tehama 0 Comment
  JEPS81110  Rhamnus purshiana J. P. Smith and T. W. Nelson 1978-7-22 10013 Tehama Wells Creek Camp Shasta-Trinity National Forest, Yolla Bolly Quad. 1371 Comment
  CHSC79079  Rhamnus tomentella subsp. crassifolia L. P. Janeway 2000-6-30 6861 Tehama High North Coast Ranges. Springs at Eagle Rock Camp; about 1.6 km north of Round Mountain and 2.4 km west of Eagle Peak. 981 Comment
  UC592916  Rhamnus tomentella subsp. crassifolia Carl B. Wolf 1937-9-6 Tehama Paskenta to Covelo road (Mud Flat); Inner North Coast Ranges 609 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
  JEPS76644  Rhamnus tomentella subsp. tomentella L. R. Heckard 1972-6-18 2981 Tehama n of Tedoc Mt. (along Wells Creek); Wells Creek 883 Comment
  CHSC64685  Rhus aromatica Vernon H. Oswald; Lowell Ahart 1995-5-9 6720 Tehama Cascade Range foothills, ecotone between Valley and Foothills Grassland (Wildflower Field) and Blue Oak Woodland, W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Shrub growing on basalt outcrop bordering Manton Rd. e of the Old Hwy. Pool. 219 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
  CHSC68951  Ribes lobbii Vernon Oswald; Lowell Ahart 1997-7-7 8667 Tehama Near the northeast corner of the Yolla Bolly Wilderness on FR 27N06, 0.5 mi north of Tomhead Saddle. 1676 Comment
  JEPS94504  Ribes lobbii Vernon Oswald and Lowell Ahart 1997-7-7 8667 Tehama 0.5 mi n of Tomhead Saddle (near the ne corner of the Yolla Bolly Wilderness on Forest Road 27N06); Yolla Bolly Wilderness, Forest Road 27N06 1676 Comment
  UC1037479  Ribes lobbii Douglas Barbe 1955-7-22 237 Tehama w Oven Lid (on the trail to Square Lake approx. 500 ft from the Jeep road) 2072 Comment
  CAS-BOT-BC168886  Ribes lobbii John Thomas Howell; Alice Eastwood 1941-7-9 9834 Tehama Near Government Flat Comment
  RSA739592  Ribes malvaceum John Dittes 2003-2-15 2003 -3 Tehama Hall Ridge 7 air miles SW of Paskenta, 1.1 air miles due N of the Glenn County line and 1.3 air miles W by NW of Salt Creek Saddle. 732 Comment
  RSA0023156  Ribes nevadense Carl B. Wolf 1937-5-17 8711 Tehama Northern Sierra Nevada. Red Bluff - Susanville Road, 6.7 mi. below Mineral. 1372 Comment
  CHSC59323  Ribes roezlii Donald P. Gaskill 1992-2-28 3 Tehama Location on open rock face exp sw of Thomes Creek Rd 7 mi west of Paskenta. 548 Comment
  CAS-BOT-BC198942  Ribes roezlii var. roezlii Alice Eastwood; John Thomas Howell 1941-7-9 9709 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CAS-BOT-BC168815  Ribes viscosissimum Clare R. Wheeler 1981-6-17 2443 Tehama Ca. 1 mi. N. of Wells Cabin Campground at Timber Ridge, Mendocino National Forest 1859 Comment
  CHSC83891  Rigiopappus leptocladus Lowell Ahart; John Dittes, Daphne Christopher, Hannah Stevens 2003-4-17 10116 Tehama Along the trail, on the north side of Dye Creek, about 1/2 mile east of the Dye Creek buildings, Dye Creek Preserve, about 6 miles (air) northeast of Los Molinos. 174 Comment
  JEPS113277  Rigiopappus leptocladus Lowell Ahart, John Dittes, Andrea Craig 2007-5-13 13828 Tehama Along 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
  UC1594668  Rigiopappus leptocladus Vernon H. Oswald and Lowell Ahart 1992-4-21 4917 Tehama ca 4.75 mi (air) sse Paynes Creek (Hogsback Rd (Belle Mill Rd or Forest Rd 28N24) 18.6 mi (odometer) e of Hwy 99, 2.0 mi (odometer) e of the power transmission lines) 762 Comment
  HSC32397  Robinia pseudoacacia Gary S. Lester 1974-4-20 112 Tehama Woodson Bridge State Rec. Area, 1 mi. E of Corning, Sacramento River flood plain 61 Comment
  JEPS90361  Rorippa curvisiliqua Dean W. Taylor 1972-6-17 Tehama Tedoc Mountain; border of small vernal pool 1371 Comment
  RSA719174  Rorippa curvisiliqua L. Ahart 2006-7-19 13040 Tehama About 150 yards NE of where the dirt road crosses Colby Creek, about 2 miles (air) NE of Butte Meadows. 1541 Comment
  CAS-BOT-BC146356  Rosa John Thomas Howell 1977-6-20 52364 Tehama On Deer Creek Road, west of Colby Mt. Comment
  JEPS99063  Rosa gymnocarpa Lowell Ahart 2002-6-29 9809 Tehama Just below the dirt road on the west side of Willow Creek, about 1/8 mile SW of Colby Mountain Lookout Road where it crosses Willow Creek, about 5 miles (air) NE of Butte Meadows. 1595 Comment
  CHSC94370  Rosa pisocarpa subsp. ahartii Lowell Ahart 2006-7-19 13042 Tehama North edge of a bog, about 50 yards east of the abandoned logging road, about 200 yards northeast of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 1/8 miles (air) northeast of Butte Meadows. 1540 Comment
  POM353037  Rostraria cristata L. C. Wheeler 1935-5-23 3519 Tehama 9 miles E of Newville on Orlando-Newville Road. 122 Comment
  RSA93465  Rostraria cristata Milo S. Baker, H. K. Wagnon 1953-5-31 12711 Tehama Logging road west of Paskenta near 5 mi. post. Comment
  JEPS97317  Rotala ramosior Vernon H. Oswald 1995-8-31 7222 Tehama T29N R2W NE1/4 SW1/4 Sec. 26, 700 ft, Cascade Range Foothills, Fresh-water Marsh in Valley and Foothills Grassland. Manton Rd. (A6) ca. 1.5 mi N of Dales Station (on Hwy. 36), ca. 14 mi NE of Red Bluff 213 Comment
  JEPS104327  Rubus discolor Lowell Ahart 2003-6-11 10256 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
  JEPS96957  Rubus leucodermis Dean W. Taylor 1997-7-24 16145 Tehama Tomhead Mountain; Yolla Bolly Mtns. 1996 Comment
  UC54228  Rumex acetosella H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4384 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  SEINET10937559  Rumex acetosella David B. Dunn 1971-8-15 Dunn 18170 Tehama 1 1/2 mi W of Lassen Park headquarters. Yellow pine forest. Comment
  CHSC64724  Rumex crispus Vernon H. Oswald 1995-5-2 6703 Tehama Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi e of Red Bluff. At the cattleguard on Inks Creek Rd. at the w fence. 213 Comment
  CDA23202  Rumex salicifolius var. denticulatus L. Ahart, J. Dittes 2003-6-11 10253 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. Comment
  JEPS87929  Rumex salicifolius var. denticulatus Barbara Ertter, Brad Olson 1991-7-5 10304 Tehama Long Gulch Little Crane Creek (se corner of ranch, confluence of Big and Little Crane Creeks, ca 15 air mi wnw of Red Bluff); Metzger Ranch (= Stiver's Ranch) 213 Comment
  CHSC80647  Rupertia hallii Lowell Ahart 2001-6-16 8861 Tehama On south side of the dirt road, about 3 miles west of Highway 32, west of Soda Springs Campground, about 4 miles (air) west of Butte Meadows. 1158 Comment
  JEPS94014  Rupertia hallii Ann Willyard 1998-6-27 97 Tehama ca. 2 air mi. e. Promontory Point (Cohasset Rd., ca. 2.5 mi. n. of KHSL tower, Population #13) 1182 Comment
  UC580785  Rupertia hallii P. L. Johannsen 1936-8-12 982 Tehama 3/4 mile northeast of Campbellville. Comment
  CHSC79010  Sagina apetala J. Marr; C. Warren, J. Cunningham 1998-5-11 Tehama West of Orland, vicinity of Williams Butte and Round Valley/Garland Rd. 289 Comment
  CHSC87356  Sagina apetala Lowell Ahart 2004-4-29 10794 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
  JEPS51065  Sagina apetala W. L. Jepson 1899-4-25 Tehama yard of house of Stivers' Ranch Comment
  CHSC48260  Sagina procumbens Vernon Oswald 1984-7-16 1582 Tehama N side of Hwy 36, 0.4 mi s-e of Wilson Lake Rd. On the edge of a stream in a meadow. 1475 Comment
  CHSC40494  Sagittaria montevidensis subsp. calycina Pauleen Broyles 1982-8-5 823 Tehama The Nature Conservancy Vina Plains Preserve. Along irrigation ditch. 60 Comment
  UC1731160 Image available Sagittaria rigida Dean W. Taylor 1993-8-31 14064 Tehama Inks Creek, ca. 1.5 air mile N of Dales Lake, in large stock pond in unnamed south fork Inks Creek, 186 Comment
  CAS-BOT-BC132679  Salix C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-31 404 Tehama Paine's Creek, 24 km. east of Red Bluff 300 Comment
  UC525964  Salix C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 650 Tehama Red Bluff Comment
  CAS-BOT-BC103361  Salix bonplandiana Ira L. Wiggins 1925-3-22 1508 Tehama slopes above the gorge on Mill Creek Comment
  RSA90599  Salix breweri Keith Wagnon 1953-5-10 12624 Tehama Below logging road. W of Paskenta. Collected between the 9 and 10 mile posts. 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
  CHSC75404  Salix exigua Ben Myhre 1997-4-14 12 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  SBBG128033  Salix exigua L. Ahart, J. Dittes 2010-7-19 16891 Tehama gravel bar, ca. 20 yards N of the poor rd crossing, on the bottom of the S Fork of Battle Crk, ca. 3.3 mi SW of Manton, ca. 4.2 mi N of Hwy 36 and Lane Valley Rd intersection 432 Comment
  UC1303036  Salix exigua var. hindsiana A. A. Heller 1926-4-23 13927 Tehama banks of Sacramento R. at Squaw Hill bridge Comment
  SBBG58885  Salix geyeriana C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-30 378 Tehama S fork of Battle Crk, 1.7 km W of Mineral 1500 Comment
  SJSU237  Salix geyeriana C. R. Ball, Mrs. H. P. Bracelin & Beryl Kautz 1931-5-30 Tehama S Fork Battle Cr, 1.7km W of Mineral 1524 Comment
  UC481988  Salix geyeriana C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 372 Tehama 1.7 km. w Mineral (S. Fork Battle Creek) 1500 Comment
  RSA0034677  Salix geyeriana subsp. argentea Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 378 Tehama South Fork of Battle Creek, 1.7 km. west of Mineral. 1500 Comment
  POM219004  Salix geyeriana var. argentea Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 372 Tehama S Fork of Battle Creek. 1.7 km W of Mineral 1500 Comment
  HSC99810  Salix gooddingii S. Durham, A. Enriquez, K. Kawsuniak 1993-3-27 9329 Tehama N side of Hwy. 36, 10.4 mi. E of the intersection of Hwy. 36 and Rd. A16 393 Comment
  UC482346  Salix hookeriana C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 404 Tehama 24 km. e Red Bluff (Paine's Creek); Paine's Creek 300 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
  UC525943  Salix jepsonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 673 Tehama 8 mi n.e Mineral (Mt. Lassen Hwy.) 1981 Comment
  UC525945  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
  JEPS38401  Salix laevigata W. L. Jepson 1899-4-27 18 s-A Tehama Salt Creek Comment
  UC704291  Salix laevigata Frank A. Pitelka 1943-6-15 203 Tehama 2 mi se Beegum 502 Comment
  CHSC115810  Salix lasiandra var. lasiandra Lowell Ahart; John Dittes 2015-8-5 20444 Tehama East side of Childs Meadow, 30 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
  CHSC106123  Salix lasiolepis L. P. Janeway 2010-9-12 10209 Tehama High North Coast Ranges. At Willow Spring, 2.5 km east-southeast of Buck Rock, just below road M2. On west side of the willow and dogwood thicket along the spring. 1750 Comment
  RSA66377  Salix lasiolepis Philip A. Munz 1951-7-27 16956 Tehama S base of S Yolla Bolly Peak. 2058 Comment
  CAS-BOT-BC128323  Salix lasiolepis var. lasiolepis John Thomas Howell 1943-8-8 19197 Tehama Anthony Peak Comment
  CAS-BOT-BC124909  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 687 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station, Lassen Volcanic National Park 1981 Comment
  CAS-BOT-BC124941  Salix lemmonii John Thomas Howell 1960-8-18 36096 Tehama Sulphur Works Entrance Station 2011 Comment
  POM219003  Salix lemmonii Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 377 Tehama S Fork of Battle Creek. 1.7 km W of Mineral 1500 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
  SBBG57905  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-31 400 Tehama S fork of Battle Crk, 2 km E of Mineral 1500 Comment
  SJSU168  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt Lassen Hwy, 0.8 mi N of Sulphur Works Checking Station, Lassen Volcanic National Park 2042 Comment
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Jul 21 2009
  SJSU264  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy,8 mi NE of Mineral 2042 Comment
  UC481990  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 374 Tehama 1.7 km. e Mineral (s. side of hwy., s.of rd. maintenance gravel dump, S. Fork Battle Creek); S. Fork Battle Creek 1500 Comment
  UC482005  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 376 Tehama 1.7 km. w. Mineral (s. side of Hwy., s. of rd. maintenance gravel dump, S. Fork Battle Creek); S. Fork Battle Creek 1500 Comment
  UC482026  Salix lemmonii C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-31 391 Tehama 15 km. n.e. Mineral (above Lassen Hwy.) 2000 Comment
  UC482327  Salix lemmonii Ball, Bracelin and Kautz 1931-5-31 392 Tehama 15 km. n.e. Mineral (on Lassen Hwy.) 2000 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
  UC482001  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 379 Tehama 1.7 km. n.e. Mineral (Mt. Lassen Hwy., S. Fork Battle Creek); S. Fork Battle Creek 1570 Comment
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Jul 7 2009
  UC482002  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 379 Tehama 1.7 km. n.e. Mineral (Mt. Lassen Hwy., S. Fork Battle Creek); S. Fork Battle Creek 1570 Comment
  UC482003  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 379 Tehama 1.7 km. n.e. Mineral (Mt. Lassen Hwy., S. Fork Battle Creek, at <creek> crossing); S. Fork Battle Creek 1570 Comment
  UCD80753  Salix melanopsis CNPS SN Foothill Team 2005-6-21 SNNR 0345 a Tehama USFS, Lassen National Forest, adjacent to Mill Creek. 653 Comment
  CHSC9687  Salix nigra E. L. Smith 1971-9-11 1059 Tehama At Singer Creek ca. 13 mi n of Chico. Comment
  CAS-BOT-BC126175  Salix scouleriana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt. Lassen Highway, 7.9 miles northeast of Mineral; Bluff Falls 1981 Comment
  POM209478  Salix scouleriana Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy. 7.9 miles NE of Mineral. 1982 Comment
  SBBG57983  Salix scouleriana C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy, 7.9 mi NE of Mineral 1981 Comment
  UCD99418  Salsola tragus John Thomas Howell 1960-7-24 36001 Tehama Paynes Creek. 563 Comment
  UCD99441  Salsola tragus Geo H. McClough; Tobin, Tobin, S. F. 1922-8-14 s.n. Tehama Los Molinos. Comment
  CHSC57191  Salvia columbariae Kate A. Hanson 1977-3-31 Tehama Ca 1 m e of Newville Rd ca 0.8 km n of jct of Round Valley Rd and Newville Rd ca. 40 km wnw of Corning. 300 Comment
  JEPS62655  Salvia columbariae W. L. Jepson 1899-4-25 14942 Tehama Rosewood Comment
  HSC49035  Salvia columbariae Patricia Shesgreen 1978-5-13 88 Tehama Beegum Gorge, FS Rd. 1S02, 2.7 mi. off Hwy. 36 and A16 976 Comment
  HSC96803  Salvia columbariae J. Carey, A. Hong, J. Leffingwell 1995-4-22 60 Tehama 9 mi. E on Hwy. 36 from its jct. with Rd. A16 457 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
  JEPS96100  Sambucus mexicana Vernon H. Oswald and Lowell Ahart 1996-6-3 7728 Tehama BLM parcel along Hwy 36 ne Red Bluff (0.2 mi se of the old bridge site on Payne Creek); Cascade Range Foothills, Hog Lake Plateau 121 Comment
  CAS-BOT-BC238599  Sambucus nigra subsp. caerulea John Thomas Howell 1960-8-20 36270 Tehama Near Lassen Volcanic National Park. Between Morgan and Childs Meadows 1524 Comment
  JEPS29546  Sambucus racemosa var. microbotrys John Thomas Howell 1961-6-20 36587 Tehama Bluff Falls; near Lassen Volcanic National Park 1981 Comment
  POM213948  Sanguisorba annua H. F. Copeland 1931-8-9 s.n. Tehama Near Mineral. Comment
  CHSC65753  Sanicula bipinnatifida Vernon H. Oswald; Lowell Ahart 1996-4-8 7321 Tehama BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. 100 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
  JEPS97010  Sanicula bipinnatifida Vernon H. Oswald and Lowell Ahart 1994-3-8 5973 Tehama N side of Black Butte Lake (junction of Black Butte Rd. and Black Butte Rd. West) 161 Comment
  HSC89667  Sanicula bipinnatifida A. Smith, A. Eller & B. Hoffman 1989-3-31 5 Tehama On Tedoc Rd. (FS 45) near intersection with Hwy. 36, about 1.5 mi. E of boundary with Shasta Co. 549 Comment
  UC1563885  Sanicula graveolens Barbara Ertter 1989-5-3 8437 Tehama 20 air mi sw of Chester (e side of Deer Creek, Deer Creek Road (Rt 32), at milepost 12.00); Deer Creek, Deer Creek Road 975 Comment
  UC923149  Sanicula graveolens Freed W. Hoffman 1950-7-6 3264 Tehama about 1 mi ne of White Rock Guard Station (near Trinity-Tehama County boundary) Comment
  JEPS102540  Sanicula tuberosa Vernon H. Oswald 2001-5-7 10018 Tehama Forest Road 26N15 5.2 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1079 Comment
  UC1606327  Sanicula tuberosa Barbara Ertter, Brad Olson 1993-5-15 11769 a Tehama 6 air mi sw of Paskenta (Mendocino National Forest, Round Valley Road (M-4), sw Tehama County); Mendocino National Forest, Round Valley Road 609 Comment
  SJSU6087  Sarcodes sanguinea A. D. Addy & R. McDonald 1962-5-30 Tehama Childs Meadow on State Rte 36 c. 9 mi E of Mineral 1508 Comment
  UC402528  Saxifraga odontoloma W. P. Taylor 1913-8-2 Tehama 2 mi s of South Yolla Bolly Mountain Comment
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Jul 5 2009
  CHSC61117  Schoenoplectus heterochaetus Vernon H. Oswald 1993-7-14 5688 Tehama Wilson Lake located N of Hwy. 36 ca. 9 mi. (air) E of Mineral. NW edge of the lake. 1606 Comment
  JEPS105187  Schoenoplectus mucronatus Dean W. Taylor 1992-10-8 13263 Tehama Coyote Creek, ca. 5 mi S of Red Bluff at crossing of Rawson Road 97 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
  CHSC77807  Schoenoplectus pungens B. Castro; H. West 1999-6-1 940 Tehama About 22 air miles W of Orland, vicinity of Newville and Salt Creek. 196 Comment
  CHSC84589  Schoenoplectus tabernaemontani Lowell Ahart; John Dittes 2003-9-17 10604 Tehama On the edge of 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
  CAS-BOT-BC35554  Scirpus congdonii Beatrice F. Howitt 1962-7-14 227 Tehama at Silver Creek Camp on east side of Ebbetts Pass Road 2225 Comment
  CAS-BOT-BC111120  Scirpus microcarpus Philip Alexander Munz 1951-7-26 16914 Tehama Wet hillside seep in Yellow Pine Forest 2103 Comment
  UCR196222  Scirpus tuberosus Carol W. Witham, Jennifer Buck, Vernal Pool Team 2002-6-10 353 Tehama Vina Plains, southeast of intersection between Hwy 99 and Lassen Road. Lassen Road Site. Pool #LAS100 65 Comment
  CHSC64522  Scleranthus annuus subsp. annuus Vernon H. Oswald 1995-3-27 6548 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. Along the edge of the old highway on the s edge of the basalt ridge crossing the n side of the reserve. Also in cracks in the pavement of the road. 225 Comment
  CHSC79012  Scleranthus annuus subsp. annuus J. Marr; C. Warren 1998-4-15 Tehama West of Orland, vicinity of Newville, Round Valley/Garland Rd, and Mendocino NF land. 289 Comment
  CAS-BOT-BC243493  Scribneria bolanderi Milo Baker; Keith Wagnon 1953-6-1 s.n. Tehama 7 miles west of Paskenta Comment
  CDA16186  Scribneria bolanderi G. F. Hrusa, J. Hart 1999-4-29 15039 Tehama Sacramento Valley; Coyote Creek Conservation Area, S of Red Bluff. Dry, open areas w/ thin soil. Uncommon, flwrs pinkish, pale. Annual. 175 Comment
  JEPS102482  Scribneria bolanderi Vernon H. Oswald 2001-5-7 10024 Tehama Forest Road 26N15 5.2 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1079 Comment
  UCR197963  Scribneria bolanderi Beecher Crampton 1953-4-29 1157 Tehama 4 mi south of Dales, along Route 36 Comment
  SEINET10827632  Scribneria bolanderi Vernon H. Oswald, Lowell Ahart 1995-7-12 Oswald 7010 Tehama Inner North Coast Ranges, Chaparral, serpentine-derived soil. 981 Comment
  CHSC32163  Scutellaria antirrhinoides James D. Jokerst 1980-8-22 1108 Tehama Near Mt. Linn. Comment
  UC1025111  Scutellaria antirrhinoides Douglas Barbe 1955-7-16 177 Tehama on the e ridge leading to the summit of South Yolla Bolly ((Mount Linn)); South Yolla Bolly (Mount Linn) 2286 Comment
  UC1245147  Scutellaria antirrhinoides J. M. Tucker 1959-7-19 3566 Tehama 1/2 mi e of Ides Cove (se side of South Yolla Bolly Mountain); South Yolla Bolly Mountain 2103 Comment
  UCSB12918  Scutellaria antirrhinoides Wilken, Dieter; Haller, John; Langford, A. 1968-9-11 Tehama Ides Core; at the Foot of South Yolla Bolly Peak (Mt. Linn); Yolla Bolly Mtns 2133 Comment
  SBBG25864  Scutellaria californica D. Myrick 1966-8-6 1457 Tehama South Yolla Bolly Mtn 2133 Comment
  UC575030  Scutellaria californica C. Epling, Wm. Robison 1935-7-16 Tehama near Mineral Comment
  JEPS62875  Scutellaria siphocampyloides Jos. Grinnell 1928-6-12 Tehama Mineral 1524 Comment
  UC1950102  Scutellaria siphocampyloides Barbara Ertter with Brad Olson 1991-7-4 10197 Tehama Toomes Camp Rd (Mendocino FR 23N01) 7.0 mi W of Paskenta, ca 23 airmiles W of Corning Comment
  UCSB63854  Scutellaria siphocampyloides Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; T28N R2W SWV& NEV4 Sect 8; Cascade Range Foothills; at the northeast end of the parcel 188 Comment
  CHSC67243  Scutellaria tuberosa James D. Jokerst 1983-4-3 1704 Tehama Wurlitzer Ranch on Pine Creek 1.5 mi E of Meridian Rd., along Zimmershed Creek ca. 0.25 mi E of the powerlines in a +/- swampy area ca. 50 m N of the creek. 152 Comment
  CAS-BOT-BC417758  Sedella pumila Doris Kildale Gillespie 1930-5-9 9283 Tehama Between Paynes Creek and Mineral on Susanville road Comment
  RSA21521  Sedella pumila C. B. Wolf 1937-5-16 8707 Tehama Northern Sierra Nevada Footthills, Red bluff - Susanville road, 2.8 miles above Paynes Creek P[ost] O[ffice]. 610 Comment
  CHSC118099  Sedum sanhedrinum Peter F. Zika 2012-7-13 25972 Tehama W end of Nuisance Ridge, 0.5 air km ESE of summit of Tomhead Mountain, Yolla Bolly Mountains, North Coast Range Headlands (NCoRH). 2000 Comment
  JEPS97382  Selaginella hansenii Vernon H. Oswald and Lowell Ahart 1995-2-22 6484 Tehama 14 mi NE of Red Bluff (W side of Manton Rd (A6) ca. 1 mi N of Dales Station on Hwy 36; NE corner of the reserve); Cascade Range Foothills, Dales Lake Ecological Reserve 225 Comment
  HSC924  Selaginella hansenii John L. Heywood, D. H. Norris 1968-3-31 1890 Tehama Hwy. 36, 49 mi. E of Shasta Co. line Comment
  JEPS106118  Selaginella wallacei Lowell Ahart 2004-4-29 10812 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
  CHSC28160  Senecio aronicoides J. D. Jokerst 1979-7-16 285 Tehama 100 m S. of Forest Service Trail. 3E12 (Turner Mtn), 1.0 mi. W. of Trailhead. Outcrop at edge of marsh and pond. Comment
  JEPS16657  Senecio aronicoides Milo S. Baker and H. K. Wagnon 1953-7-11 12841 Tehama 3 mi above Whitlock Camp 1524 Comment
  CHSC43928  Senecio flaccidus var. douglasii Vernon Oswald 1988-5-12 3306 Tehama M2 (23N01) 5.7 mi (odometer) w of Paskenta. 512 Comment
  UCD33124  Senecio hydrophilus Beecher Crampton 1966-6-28 7772 Tehama 6 miles W.S.W of Paskenta (direct line), ridge between Hatch field and Lake Hollow, Sheldon Jeffers Ranch. 457 Comment
  UC726786  Senecio triangularis A. A. Heller 16294 Tehama Sulphur Works checking station Lassen Volcanic National Park Comment
  OBI55495  Senecio triangularis David J. Keil, Kathleen Keil 1992-7-25 23599 Tehama Lassen NF along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  CHSC65717  Senecio vulgaris Vernon H. Oswald; Lowell Ahart 1996-4-3 7297 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. 0.4 mi E of the dirt lane along the W side of the parcel. 103 Comment
  UCD92688  Setaria italica W. W. Mackie 1921-9-1 s.n. Tehama Red Bluff. Comment
  JEPS104231  Setaria pumila Lowell Ahart 2003-9-17 10588 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
  CHSC66590  Setaria sphacelata Vernon H. Oswald; Lowell Ahart 1996-7-8 7989 Tehama Cascade Range Foothills. Hwy. 36 NE of Red Bluff near Hog Lake. On the E side of Hwy. 36 ca. 0.7 mi SW of the parking lot at Hog Lake Plateau. 274 Comment
  CAS-BOT-BC240209  Setaria viridis R. E. Frenkel 1964-9-30 909 Tehama On California Highway 36 609 Comment
  JEPS118024  Sidalcea diploscypha Lowell Ahart, John Dittes 2011-6-9 17457 Tehama Rio De Los Molinos Land Grant. 700 feet east of Highway 99, 1.1 miles (air) north of Vina 67 Comment
  JEPS50053  Sidalcea hartwegii W. L. Jepson 1899-4-25 14071 Tehama Stiver's Ranch Crane Creek, Rosewood, Stiver's Ranch Comment
  JEPS94341  Sidalcea hartwegii Vernon H. Oswald and Lowell Ahart 1997-5-14 8426 Tehama 0.4 mi nw of the Middle Fork Antelope Creek (5.7 mi se of Plum Creek Road, between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29)); Ponderosa Way 981 Comment
  JEPS97958  Sidalcea hartwegii K. Andreasen 1998-6-28 274 Tehama N side of Black Butte Lake (Buckhorn camping area, along Buckhorn Interpretive trail, after second bridge) Comment
  RSA756203  Sidalcea malviflora subsp. laciniata Barbara Ertter 1991-5-18 9827 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. 213 Comment
  CAS-BOT-BC205773  Sidalcea oregana P. A. Munz 1951-7-26 16907 Tehama South base of South Yolla Bolly Mts. 2072 Comment
  RSA66614  Sidalcea oregana subsp. oregana P. A. Munz 1951-7-26 16907 Tehama South base of South Yolla Bolly Mts. 2073 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
  RSA734315  Sidalcea oregana subsp. spicata L. Ahart 2006-7-25 13709 Tehama In a small meadow on the west side of the road, near Colby Creek, about 40 yards southeast of where the dirt road crosses Colby Creek, about 2 miles (a0r) southeast of Colby Mountain, about 5 miles northeast of Butte Meadows. 1519 Comment
  CAS-BOT-BC213192  Sidalcea robusta Larry Berti 1980-4-25 1030 Tehama Ca. 1/2 mile from Crane Creek, along Highway 36. Comment
  CHSC80629  Silene antirrhina Lowell Ahart 2001-6-8 8769 Tehama Burned area on the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS97443  Silene californica Vernon H. Oswald and L. Ahart 1995-7-12 6998 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. Herbaceous perennial growing on a roadside bank. 950 Comment
  CHSC60353  Silene douglasii Mary Ann Showers 1992-6-26 2590 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC118040  Silene gallica Daphne K. Christopher; Lowell Ahart, John Dittes, Hannah Stevens 2003-4-17 201 Tehama Dye Creek Nature Conservancy Preserve. Antelope Creek trail. 767 Comment
  CHSC65919  Silene gallica Vernon H. Oswald; Lowell Ahart 1996-4-23 7424 .2 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Between the NW end of Hog Lake and the vernal pool located to the west. 265 Comment
  CHSC71033  Silene gallica Vernon Oswald; Lowell Ahart 1998-5-14 9039 Tehama Hwy. 36 west of Red Bluff, 1.3 mi west of Cannon Rd. At roadside. 274 Comment
  HSC81958  Silene laciniata subsp. californica Thomas W. Nelson, Jane Nelson 1979-6-25 4892 Tehama Along road from Tedoc Gap to Well's Creek, 0.25 mi. SE of Weston Ranch 1280 Comment
  UCD35955  Silene laciniata subsp. californica Beecher Crampton 1953-4-30 1186 Tehama 10 miles east of Beegum. Comment
  RSA90833  Silene lemmonii Milo S. Baker, H. K. Wagnon 1953-7-11 12821 Tehama 3 miles beyond Whitlock Camp. 1524 Comment
  CHSC39023  Silene occidentalis subsp. longistipitata R. M. Austin 1896-7-1 102 Tehama Colby. 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
  CHSC87009  Solanum nigrum Jenny Marr; Heidi West 1998-10-13 Tehama Vicinity of South Fork Cottonwood Creek and Dipping Vat Flat. 304 Comment
  CHSC113004  Solanum rostratum Lowell Ahart 2013-8-2 18982 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
  JEPS121163  Solanum rostratum Lowell Ahart 2013-8-2 18982 Tehama Gravel bar on the 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
  JEPS94383  Solanum umbelliferum Vernon H. Oswald and Lowell Ahart 1997-5-14 8417 Tehama se of the town of Paynes Creek (Plum Creek Road 0.1 mi w of Hogback Road); Plum Creek Road 969 Comment
  CHSC94545  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 Comment
  CHSC65947  Soliva sessilis Vernon H. Oswald; Lowell Ahart 1996-4-23 7414 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
  JEPS88348  Soliva sessilis Vernon H. Oswald and Lowell Ahart 1996-4-15 7374 Tehama CDFG parcel on s side of Gyle Rd. nw Corning (along pipeline ca. 0.1 mi n of the s boundary, nw side of Valley); Sacramento Valley, Thomes Creek Ecological Reserve 102 Comment
  JEPS106293  Sonchus asper subsp. asper Lowell Ahart 2004-6-11 11042 Tehama On the southwest 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
  SDSU9255  Sorbus sitchensis var. grayi E. Ross Ellis 1942-9-3 Tehama Big Chico Creek. 1311 Comment
  HSC37554  Sorghum halepense J. D. Ackerman, A. M. Montalvo 1975-7-17 568 Tehama Dry creek, 14.5 mi. from Tehama-Shasta Co. line, Hwy. 36 Comment
  RSA119094  Sparganium angustifolium subsp. emersum W. R. Russell 1958-7-9 s.n. Tehama State Highway 36, ca. 1 mile west of Mineral. Comment
  CHSC84318  Spartium junceum Lowell Ahart; John Dittes 2003-6-11 10242 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
  JEPS104328  Spartium junceum Lowell Ahart 2003-6-11 10242 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
  CHSC40720  Spergularia rubra Pauleen Broyles 1982-6-2 692 Tehama The Nature Conservancy Vina Plains Preserve. S of barn. 60 Comment
  JEPS88289  Spergularia rubra Vernon H. Oswald and Lowell Ahart 1996-5-6 7522 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (flood channel along Paynes Creek); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 124 Comment
  CHSC84358  Sphenosciadium capitellatum Lowell Ahart 2003-8-24 10539 Tehama In a meadow, on both sides of Willow Creek, about 1/2 mile (air) north of Jonesville, about 5 miles (air) northeast of Butte Meadows. 1569 Comment
  JEPS104052  Sphenosciadium capitellatum Lowell Ahart 2003-8-24 10538 Tehama In a meadow, on both sides of Willow Creek, ca 1/2 mi (air) n of Jonesville, ca 5 mi (air) ne of Butte Meadows. 1569 Comment
  CDA1333  Spiraea douglasii L. Ahart 2006-7-25 13071 Tehama 2 mi SE of Colby Mountain; 5 mi NE of Butte Meadows. Comment
  CHSC77402  Spiranthes porrifolia L. P. Janeway; B. Castro 1999-6-24 6480 Tehama Along the south edge of South Fork Cottonwood Creek. 335 Comment
  SEINET10519300  Sporobolus cryptandrus Paul Gallian, Billy Joe Cox 1971-6-10 Gallian 714 Tehama 8 mi E of Red Bluff, on Ca Hwy 36; live oak, savannah & Aesculus. 152 Comment
  UCD93165  Sporobolus indicus Bill Richardson 1979-4-24 s.n. Tehama Tehama County. Comment
  UCD15030  Stachys John M. Tucker 1959-7-19 3571 Tehama California, Tehama Co.:north side of South Yolla Bolly Mountain, upper (south) side of Square Lake; 2118 Comment
  CDA34959  Stachys ajugoides var. ajugoides L. Ahart, John Dittes, Josephine Dittes 2003-8-23 10530 Tehama About 80 yards east of Square Lake, about 3/4 mile northeast of Mount Linn, South Yolla Bolly. Comment
  CHSC88280  Stachys ajugoides var. rigida Lowell Ahart 2004-6-28 11131 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  HSC74827  Stachys rigida J. P. Smith, Thomas W. Nelson 1978-7-22 10015 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1372 Comment
  CHSC77595  Stachys stricta B. Castro; L. P. Janeway 1999-5-6 Tehama About 26 air miles NW of Orland, vicinity of Rocky Ridge, Thomes Creek, and Round Valley Rd. 274 Comment
  JEPS124419  Stellaria crispa Lowell Ahart, John Dittes 2015-8-6 20483 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
  CHSC56292  Stellaria longipes var. longipes K. R. Stern 1986-5-21 8264 Tehama Dear Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  CHSC96646  Stellaria media Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13620 Tehama On the west 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