Search Results — 2000 specimen records retrieved (1622 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  SEINET5334438  Abies magnifica T. Kerstetter 1956-4-27 s.n. Tehama Calif. Highway 36, 3 miles west of Lassen Nat. Park Turnoff. 1524 Comment
  SEINET5334441  Abies magnifica W. Priest 1956-4-26 s.n. Tehama Hwy. 36, about 3 miles west of Lassen Natl. Park turnoff. 1524 Comment
  CHSC77516  Acer macrophyllum B. Castro; L. P. Janeway 1999-6-14 981 Tehama About 21 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek. 310 Comment
  RSA21524  Acer macrophyllum Carl B. Wolf 1937-5-17 8710 Tehama Red Bluff, Susanville Road, 6 7/10 miles below Mineral. 1372 Comment
  JEPS108936  Achillea millefolium Lowell Ahart 2006-9-9 13248 Tehama Open dry meadow area west of the dirt road, just east of Colby Creek, south of the large man made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows 1503 Comment
  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
  UCSB63890  Achillea millefolium 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
  CAS-BOT-BC18756  Achillea millefolium Alice Eastwood; J. T. Howell 1941-7-9 9761 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CAS-BOT-BC18758  Achillea millefolium J. M. Tucker; L. K. Mann 1954-7-19 3544 Tehama At summit; South Yolla Bolly Mountain 2465 Comment
  CHSC110421  Achnatherum lemmonii David Isle 1990-6-1 1947 Tehama Mendocino National Forest. Glade N of Riley Cabin along Rd 25N51. MDBM. 1097 Comment
  CHSC94293  Achnatherum lemmonii Lowell Ahart 2006-7-19 13014 Tehama Meadow area west of the dirt road, just east of Colby Creek, near large man made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows. 1503 Comment
  RSA756339  Achnatherum lemmonii Barbara Ertter 1990-5-12 8934 Tehama Northwest side of Dry Fork Creek northwest of junction of Highway 36 and Route A5 (Bowman Road) about 15 air miles west-northwest of Red Bluff, on Reed property. 183 Comment
  SEINET191117 Image available Achnatherum lemmonii A. A. Beetle 1941-6-27 2751 Tehama 20 mi NE of Lomo of Rte 32 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
  UC1056064  Achnatherum lemmonii J. I. Mallory 1956-6-5 139 Tehama 1 mi nne Paynes Creek (Inskip Lookout road); Mt. Diablo Mer, Quad. 33-B-3 594 Comment
  UCD32615  Achnatherum lemmonii Beecher Crampton 1954-6-16 1983 Tehama Tehama County, Mendocino National Forest, 1 mile south of Hawell Saddle. 1828 Comment
  UCD36250  Achnatherum lemmonii Beecher Crampton 1953-5-1 1203 Tehama Tehama County, 5 miles north of Red Bluff, along US 99. Comment
  UCD50472  Achnatherum lemmonii Beecher Crampton 1954-6-16 1983 Tehama 1 mile south of Howell Saddle, Crane Mills logging road, Mendocino Natl. Forest, Paskenta district. 1828 Comment
  UCD50594  Achnatherum lemmonii A. A. Beetle 1942-5-19 3289 Tehama Near Cold Fork. Cold Fork Experimental Plot. Comment
  UC1133076  Achnatherum occidentale subsp. californicum H. S. Yates 1936-8-12 6095 Tehama 2 mi w Mineral Summit; Paynes Creek Quadrangle Comment
  CHSC32162  Achnatherum occidentale subsp. occidentale James Jokerst 1980-8-22 1107 Tehama Near Mt. Linn. Comment
  CHSC64595  Achyrachaena mollis Vernon H. Oswald; Lowell Ahart 1995-4-25 6699 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Between Manton Rd. and the reserve fence near the s tip of the reserve. 207 Comment
  JEPS97225  Achyrachaena mollis Vernon H. Oswald and L. Ahart 1995-4-25 6699 Tehama T29N R2W SW1/4 NW1/4 Sec. 35, 680 ft, Cascade Range Foothills, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 207 Comment
  CHSC65053  Acmispon americanus var. americanus Vernon H. Oswald; Lowell Ahart 1995-7-17 7074 Tehama Dales Lake Ecological Reserve. Cascade Range Foothills. W side of Manton Rd. (A6) ca. 2 ni N of Dales Station on Hwy. 36, ca. 14 mi NE of Red Bluff. Common along the old highway near the N gate; also common along the margins of Manton Rd. 225 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
  CHSC48514  Acmispon brachycarpus Vernon Oswald 1986-6-23 2148 Tehama M2 (23N01) 12.7 mi w of Paskenta. 1188 Comment
  CHSC64615  Acmispon brachycarpus Vernon H. Oswald; Lowell Ahart 1995-4-25 6698 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. Locally abundant on a stony roadcut along Manton Rd. just s of Inks Creek Rd. 213 Comment
  CHSC84673  Acmispon brachycarpus Samantha Mackey Hillaire; Brian Elliott 2003-5-31 329 Tehama Lassen National Forest, Ishi Wilderness. North side of Ishi Wilderness at the Rancheria Creek Trailhead. 978 Comment
  SEINET957346  Acmispon denticulatus C. B. Wolf 1937-1 8693 Tehama Northern Sierra Navada foothills, Red Bluff Susanville road, 4 2/10 MI. Below paynes creek P. O. 244 Comment
  HSC82125  Acmispon nevadensis Thomas W. Nelson, Jane P. Nelson 1979-6-25 4904 Tehama Along FS road from Stuart Gap to S Fork of Beegum Creek, 1 mi. from Stuart Gap 1372 Comment
  CHSC115803  Acmispon nevadensis var. nevadensis Lowell Ahart; John Dittes 2015-8-5 20478 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
  UC1873660  Acmispon parviflorus Barbara Ertter with James R. Shevock 1993-4-30 11608 Tehama Jellys Ferry Road ca 1mile NNE of Interstate Highway 5 north of Red Bluff. Comment
  CHSC43935  Acmispon wrangelianus Vernon Oswald 1988-4-25 3280 Tehama The Nature Conservancy's Vina Plains Preserve, in the northwest pasture. 65 Comment
  CHSC83877  Acmispon wrangelianus Lowell Ahart; John Dittes, Daphne Christopher, Hannah Stevens 2003-4-17 10109 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
  CAS-BOT-BC412922  Aconogonon davisiae H. F. Copeland 1920-7-8 45 Tehama On summit. Divide between Butte, Plumas asnd Tehama Co's 1828 Comment
  CHSC115788  Aconogonon phytolaccifolium Lowell Ahart; John Dittes 2015-8-6 20494 Tehama South of the camping area, west side Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  JEPS44782  Adenostoma fasciculatum Willis L. Jepson 1934-5-5 16634 Tehama Beegum Comment
  UCR37567  Adenostoma fasciculatum Brian Kearney, P. Williams, Mike Malamus 1984-5-12 36 Tehama c. 38 mi. west of Red Bluff. Dry Creek Drainage 457 Comment
  CHSC66510  Aegilops triuncialis Vernon H. Oswald; Lowell Ahart 1996-5-20 7596 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 158 Comment
  CHSC105919  Agastache urticifolia B. Castro; L. P. Janeway 1999-8-23 1034 S Tehama High North Coast Ranges. Yolla-Bolly Wilderness, ca 1.6 mi ENE of Buck Rock, along USFS Route M2, between Forks Ridge and Short Ridge at Willow Spring. 1737 Comment
  JEPS87831  Ageratina occidentalis Lowell Ahart 1994-7-24 7524 Tehama 2.3 mi by road nw Willow Creek (about 2 1/2 air mi n of Cherry Hill); nw of Willow Creek 1676 Comment
  JEPS87832  Ageratina occidentalis Lowell Ahart 1994-7-24 7524 Tehama 2.3 mi by road nw Willow Creek (about 2 1/2 air mi n of Cherry Hill); nw of Willow Creek 1676 Comment
  UC1584302  Ageratina occidentalis Julie Kierstead 1990-9-11 90 -156 Tehama 3 m ssw Tedoc Mtn.; Yolla Bolly R. D. 1524 Comment
  CAS-BOT-BC15444  Agoseris grandiflora var. grandiflora John Thomas Howell 1960-8-20 36210 Tehama near Morgan 1463 Comment
  CAS-BOT-BC127395  Agrostis exarata H. F. Copeland 1920-7-24 5 Tehama Above Deer Creek. Comment
  UC1112863  Agrostis exarata Douglas Barbe 1955-7-16 162 Tehama on sw slope of ridge leading to Oven Lid (in meadow at Somerset) 1767 Comment
  UCD80503  Agrostis exarata CNPS SN Foothill Team 2005-6-6 SNNR 0210 a Tehama TNC Dye Creek Preserve, northwest of where Ballard Springs Road crosses the first seasonal creek past Rim Road. 374 Comment
  CHSC94307  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
  UCD80505  Agrostis microphylla CNPS SN Foothill Team 2005-6-21 SNNR 0377 a Tehama USFS Lassen National Forest. 599 Comment
  JEPS100562  Agrostis microphylla var. intermedia Dean W. Taylor 1991-5-8 11681 Tehama Truckee Creek, near the western end of Tehama Avenue along Rawson Road (ca. 5 miles W of Gerber) 94 Comment
  CHSC94569  Agrostis stolonifera Lowell Ahart 2006-9-9 13253 Tehama On the west side of Colby Creek, west of the dirt road, south of the large man made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows. 1503 Comment
  JEPS124425  Agrostis variabilis Lowell Ahart, John Dittes 2015-8-5 20449 Tehama East side of Childs Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.2 air-miles east of Doe Mountain, 9.77 air-miles south of Lassen Peak. Comment
  CHSC86001  Aira caryophyllea Jenny Marr; Joyce Lacey-Rickert, Heidi West, Caroline Warren 1998-4-1 Tehama Vicinity of Long Hollow and Bluedoor Flat. 274 Comment
  RSA714637  Aira caryophyllea Daisie Huang 6041527 Tehama Hog Lake Plateau, Manton Rd. Flat open plateau near lake Volcanic Soil. Comment
  CHSC66581  Alisma triviale Vernon H. Oswald; Lowell Ahart 1996-7-8 7968 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. 158 Comment
  SEINET260869  Allium Leila M. Shultz 1990-5-5 11261 Tehama Northern Coastal Range area, Corning District of the Mendocino Forest. 305 Comment
  CAS-BOT-BC131967  Allium John Thomas Howell; R. C. Barneby 1954-5-14 29570 Tehama 9 miles east of Paynes Creek 1005 Comment
  UC1314296  Allium Freed W. Hoffman 1949-7-13 2893 Tehama Blue Ridge North Coast Ranges, Mt. Lassic Group, Blue Ridge Comment
  HSC81956  Allium amplectens Thomas W. Nelson, Jane P. Nelson 1979-6-25 4895 Tehama Along road from Tedoc Gap to Well's Creek, 0.25 mi. SE of Weston Ranch 1280 Comment
  JEPS56350  Allium amplectens W. L. Jepson 1932-5-9 16360 Tehama by road 3-4 mi from Seven Mile Creek (rubble field ne of Red Bluff) 137 Comment
Read comments
Jul 15 2009
  CAS-BOT-BC462237  Allium amplectens John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-19 53462 Tehama Foothill woodland, 0.3 mile south of South Fork Cottonwood Creek on road from Red Bluff to Beegum 243 Comment
  SEINET7881827 Image available Allium amplectens Helen K. Sharsmith 1954-1 4344 Tehama Southwest ridge leading to Eagle Peak, one mile below summit, Mendocino National Forest.; 0 1067 Comment
  UCD138467  Allium amplectens Pauleen Broyles 1977-4-12 107 Tehama ca. 3 km WSW of Hwy 99, about 17 km north of Chico. 60 Comment
  UC1299314  Allium campanulatum Freed W. Hoffman 1947-6-20 1682 Tehama near Government Flat Comment
  CAS-BOT-BC465427  Allium campanulatum John Thomas Howell 1960-8-19 36118 Tehama Brokeoff Mt. Trail 2346 Comment
  CAS-BOT-BC465428  Allium campanulatum Alice Eastwood; John Thomas Howell 1941-7-9 9745 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  UC1051692  Allium falcifolium Helen K. Sharsmith 1953-6-23 4343 Tehama Ball Mountain Road 0.5 mi below Eagle Peak Road; Inner North Coast Ranges, Mendocino National Forest 1219 Comment
  RSA67239  Allium falcifolium Philip A. Munz 1951-7-26 16926 Tehama East flank of South Yolla Bolly Peak, South Yolla Bolly Mountains. 2348 Comment
  UCD138592  Allium platycaule Dean W. Taylor 1976-7-9 6044 Tehama Headwaters of Cub Cr. 1859 Comment
  CAS-BOT-BC474069  Allium platycaule H. F. Copeland 1920-7-17 108 Tehama Butt Mountain 1828 Comment
  CHSC79115  Allium serra B. Castro; L. P. Janeway 2000-3-22 1036 Tehama Vicinity of Paskenta, Round Valley Rd, and Williams Butte. 320 Comment
  HSC82151  Allium validum Thomas W. Nelson, Jane P. Nelson 1979-6-25 4917 Tehama Along FS Rd. 35, 1.9 mi. from Stuart Gap Comment
  CHSC7128  Allophyllum gilioides subsp. violaceum D. Hardin 1969-4-28 4 Tehama Ca. 2.5 mi into Mendocino National Forest on Round Valley Road, ca. 15-20 yards on e side of road. Comment
  JEPS95959  Allophyllum gilioides subsp. violaceum Vernon H. Oswald and L. Ahart 1999-4-21 9706 Tehama High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake: T28N R1E NW1/4 Sect. 23, 2400 ft, interior live oak-gray pine woodland 731 Comment
Read comments
Jul 13 2009
  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
  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
  JEPS45501  Amelanchier utahensis Jos. Grinnell 1925-6-15 Tehama Mineral Comment
  UC1127799  Amelanchier utahensis P. L. Johannsen 1936-8-20 984 Tehama 0.5 mi ene Colby Mtn.; Lassen National Forest, Paynes Creek Quad. 1706 Comment
  JEPS117392  Ammannia coccinea Lowell Ahart, John Dittes 2010-10-4 17295 Tehama Along Toomes Creek, Toomes Creek at Tehama-Vina Road crossing, 1.2 miles (air) east of the Sacramento River, 3.4 miles (air) southeast of Los Molinos (High School), 3.0 miles (air) northwest of Vina 57 Comment
  JEPS121178  Ammannia robusta Lowell Ahart 2013-8-2 18974 Tehama S side of Burris Creek, strand of Black Butte Reservoir, about 1.5 miles SW of the Dam, about 12 air miles NW of Orland. Comment
  HSC95320  Amsinckia intermedia A. Hove, A. Poteet, C. Sanville 1999-4-17 18 Tehama Hwy. 36, Beegum Gorge 430 Comment
  JEPS94935  Amsinckia intermedia Vernon H. Oswald and Lowell Ahart 1997-5-14 8443 Tehama 2.6 mi n of the bridge on Mill Creek at Black Rock (between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd 28N29) 17.8 mi s of Plum Creek Road); between Paynes Creek and Cohasset on Ponderosa Way 920 Comment
  JEPS95677  Amsinckia intermedia Vernon H. Oswald 1995-3-27 6549 Tehama ca. 1.5 mi n of Dales Station; Cascade Range Foothills, Dales Lake Reserve; T29N R2W SW1/4 NE1/4 Sec. 26, 720 ft, Cascade Range Foothills, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 219 Comment
  UC1212121  Amsinckia intermedia Francia Chisaki 1958-4-1 1108 a Tehama 2.9 mi w of Flournoy Comment
  SEINET12280468  Amsinckia intermedia F. Chisaki, Bacigalupi, R.; Robbins, G. T. 1956-1 676 Tehama about a mile east of Red Bluff on Highway 99E Comment
  UC1178278  Amsinckia intermedia Francia Chisaki with R. Bacigalupi and G. T. Robbins 1956-4-18 676 Tehama about a mi e of Red Bluff (on Hwy 99E to Chico) Comment
  UC1212122  Amsinckia lycopsoides Francia Chisaki 1958-4-1 1108 b Tehama 2.9 mi w of Flournoy Comment
  UC1229801  Amsinckia lycopsoides F. Chisaki 1958-4-1 1110 Tehama 7.5 mi e Flournoy (on road to Corning) Comment
  UC727075  Amsinckia lycopsoides A. A. Heller 1940-3-21 15519 Tehama 1 mi s Proberta (along U.S. Hwy 99W) Comment
  CHSC59172  Amsinckia menziesii Vernon H. Oswald 1992-9-29 5229 Tehama Hwy. 89 between Bluff Falls and the S boundary of Lassen Volcanic National Park., 0.5 mi S of the latter. 1990 Comment
  CHSC96608  Amsinckia menziesii Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13604 Tehama East of the poor dirt road, on the north side of a large vernal pool, about 4 1/2 miles (air) northeast of the intersection of Highway 99 East and Vina Road, about 6 1/2 miles (air) southeast of Los Molinos. 131 Comment
  JEPS2890  Ancistrocarphus filagineus W. L. Jepson 1899-4-25 14763 Tehama Stiver's Ranch Rosewood Comment
  JEPS40584  Ancistrocarphus filagineus Virginia Bailey 1938-4-16 Tehama 6 mi w, on Paskenta-Covelo Rd. Paskenta Comment
  UCD80514  Andropogon glomeratus var. scabriglumis CNPS SN Foothill Team 2005-5-25 SNFN 0325 a Tehama BLM Hog Lake/Paynes Creek, Payne's Creek Recreation Area, in the Massacre Flat Area, about 2 kilometers east and 1/2 kilometer north of Jelly's Ferry, near the confluence of two creeks and the Sacramento River. 101 Comment
  CHSC76779  Androsace elongata subsp. acuta J. Marr; H. West 1999-4-14 Tehama Vicinity of Newville, Garland Rd and Salt Ck drainage. 231 Comment
  JEPS55212  Anemone oregana F. P. Cronemiller 1923-5-10 538 Tehama Maxim Cabin California National Forest Comment
  CHSC81088  Angelica californica Lowell Ahart 2001-8-28 9185 Tehama Along a small dry stream, on the east side of Highway 32 and southeast of the intersection with road 390 - G of Sierra Pacific Industries, about 4 miles by road south of bridge across Deer Creek. 1219 Comment
  UCD127149  Angelica californica Joseph DiTomaso 1979-8-26 1497 Tehama Hwy 32, ca. 11 miles from Tehama-Plumas County line. Comment
  CHSC32157  Anisocarpus scabridus James Jokerst 1980-8-22 1105 Tehama North Coast Ranges. Near Mt. Linn. Comment
  JEPS13523  Anisocarpus scabridus Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-16 5330 Tehama 0.25 mi e and about 150 ft below Mt. Linn (summit of Yolla Bolly Mountain); South Yolla Bolly Mountain 2407 Comment
  UC1609302  Anisocarpus scabridus Vernon H. Oswald and Lowell Ahart 1993-9-2 5896 Tehama ridge running e from Mt. Linn (ca 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2346 Comment
  CAS-BOT-BC63863  Antennaria argentea A. A. Heller 1928-5-30 I 4565 Tehama At Mineral 1524 Comment
  UC1245136  Antennaria geyeri J. M. Tucker and L. K. Mann 1959-7-19 3559 Tehama se side of South Yolla Bolly Mountain 2255 Comment
  UCD79990  Anthriscus caucalis CNPS SN Foothill Team 2005-5-10 SNFN 0256 c Tehama TNC Dye Creek Preserve, near Los Molinos, adjacent to Dye Creek, about 1/2 mile up trail from lodge/office. 119 Comment
  UC596049  Antirrhinum cornutum R. F. Hoover 1938-6-10 3587 Tehama s of Red Bluff (Coyote Creek bridge) Comment
  CHSC110171  Antirrhinum subcordatum Daniel Slakey; CNPS volunteers 2012-5-22 11 Tehama 435 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
  JEPS3555  Antirrhinum subcordatum Milo S. Baker and H. K. Wagnon 1953-5-31 12694 Tehama w of Paskenta (near 5 mi post on logging road) 365 Comment
  CHSC64992  Antirrhinum vexillo-calyculatum subsp. breweri Vernon H. Oswald; Lowell Ahart 1995-7-12 7001 Tehama Inner North Coast Ranges. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 3.2 mi S of Hwy. 36. In a roadside drainage. 950 Comment
  JEPS102870  Antirrhinum vexillocalyculatum subsp. breweri Lowell Ahart 2001-6-8 8789 Tehama 9 mi W of Paskenta (W side of road M2) 792 Comment
  UC1748291  Antirrhinum vexillocalyculatum subsp. breweri L. P. Janeway 1999-8-4 6513 Tehama Along Hwy. 36, 100 m E of Paynes Creek Road 579 Comment
  CHSC64368  Aphanes occidentalis Vernon H. Oswald; Lowell Ahart 1995-3-19 6525 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. 210 Comment
  CHSC35571  Apocynum androsaemifolium J. P. Smith; T. W. Nelson 1979-6-23 10164 Tehama Shasta-Trinity National Forest. Tedoc gap. 1372 Comment
  HSC74945  Apocynum androsaemifolium J. P. Smith, Thomas W. Nelson 1979-6-23 10164 Tehama Shasta-Trinity National Forest, Tedoc Gap 1373 Comment
  UC726343  Apocynum androsaemifolium A. A. Heller 1937-7-21 17276 Tehama along Deer Creek Hwy. ca. midway between Lomo and first crossing of Deer Creek Comment
  CHSC66181  Apocynum cannabinum Vernon H. Oswald; Lowell Ahart 1996-6-3 7708 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Ca. 0.4 mile downstream from the old bridge site. 100 Comment
  CHSC77913  Apocynum cannabinum Beth Hendrickson; Jean Witzman 1999-5-21 Tehama Vicinity of South Fork Cottonwood Creek. 320 Comment
  CHSC87901  Apocynum cannabinum Lowell Ahart 2004-6-11 11040 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
  JEPS28460  Aquilegia formosa George W. Gillett 1957-8-13 1063 Tehama Niches of east cliffs of main Brokeoff structure Lassen Volcanic National Park 2514 Comment
  POM268042  Aquilegia formosa var. pauciflora J. T. Howell 1941-7-9 9826 Tehama Near Government Flat. Comment
  CHSC56578  Aquilegia formosa var. truncata Steven Triano 1988-9-18 256 Tehama Ca. 20 ft W of Hwy 32 and 29.5 mi N of its jct. With Hwy. 99. 1085 Comment
  CHSC92779  Arabidopsis thaliana John Dittes; Josephine Guardino 2005-4-13 1064 Tehama Northern Sacramento Valley; south bank of Mill Creek; ca. 0.3 mile east of confluence with Sacramento River; gravel bar in active channel of Mill Creek. 64 Comment
  JEPS88415  Arabidopsis thaliana Vernon H. Oswald and Lowell Ahart 1996-4-8 7320 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (cut bank on e. side of Paynes Creek ca. 0.4 mi. downstream from the former bridge site on the gravel rd., Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau, Paynes Creek 106 Comment
  HSC74959  Arabis glabra J. P. Smith, Thomas W. Nelson 1979-6-24 10170 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1311 Comment
  RSA0126579  Arabis hirsuta var. glabrata P. A. Munz 1951-7-26 16942 Tehama Square Lake, N base of South Yolla Bolly Peak. 2134 Comment
  JEPS87506  Arabis platysperma var. howellii Vernon H. Oswald and Lowell Ahart 1993-9-2 5909 Tehama ca. 20 mi. (air) n.w. Paskenta (ridge running e. from Mt. Linn, n. side of ridge near summit, S. Yolla Bolly Mts.); S. Yolla Bolly Mts. 2438 Comment
  RSA719183  Arabis rectissima L. Ahart 2006-7-19 13041 Tehama About 170 yards northeast of where the dirt road crosses Colby Creek, about 2 air miles southeast of Colby Mountain, about 5 1/8 air miles northeast of Butte Meadows 1541 Comment
  JEPS90267  Arabis subpinnatifida Dean W. Taylor 1972-6-17 1510 Tehama on Mount Tedoc Mount Tedoc 1371 Comment
  UC1078779  Arceuthobium campylopodum Job Kuijt 1958-4-20 1503 Tehama ca 2 mi n Hole-in-Ground Campgrounds (s of Mineral) 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
  CAS-BOT-BC23941  Arctostaphylos canescens subsp. canescens John Thomas Howell 1943-8-8 19209 Tehama Log Spring Ridge Comment
  UC1584301  Arctostaphylos canescens subsp. canescens J. Kierstead 1990-9-11 90 -151 Tehama 3 mi s Tedoc Mtn. (s side of FS Rd. 27N12); Yolla Bolla R.D. 1554 Comment
  CHSC68538  Arctostaphylos canescens subsp. sonomensis Vernon H. Oswald 1997-4-23 8347 Tehama High North Coast Ranges. Intersection of forest roads M2 and 24N41 (to Whitlock Camp), 13.2 miles W of Paskenta. 1261 Comment
  SEINET11984886  Arctostaphylos elegans R. Gankin, Hildreth, W. R. 1966-1 708 Tehama on summit of Round Mountain 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
  UCD52176  Arctostaphylos manzanita subsp. elegans Roman Gankin; W. R. Hildreth 1966-3-16 708 Tehama On summit of Round Mountain. Comment
  SEINET11995496  Arctostaphylos manzanita subsp. elegans Unknown 1986-1 60206 Tehama W of Paskenta, near Eagle Peak Lookout, road to Eagle Peak, ca 1 mi short of lookout 1036 Comment
  CHSC77564  Arctostaphylos manzanita subsp. manzanita Heidi West; Caroline Warren, Jenny Marr 1998-5-20 Tehama Vicinity of South Fork Cottonwood Creek and Cooks Flat. 396 Comment
  CAS-BOT-BC376595  Arctostaphylos manzanita subsp. roofii Andrew Townesmith; Karen M. Meyer 2007-8-5 901 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
  RSA257623  Arctostaphylos manzanita subsp. roofii Gary D. Wallace 1975-8-24 1496 Tehama Mendocino N. F. along F.S. Rd. 23N06 2 mi. W. of Davies Ridge, near head of Scott Ck. 1372 Comment
  UC1182197  Arctostaphylos manzanita subsp. wieslanderi James I. Mallory 1959-12-30 190 Tehama about 1/4 mi w Saddle Camp Guard Station; Trinity National Forest, Quad 31C1 1158 Comment
  UCD22549  Arctostaphylos manzanita subsp. wieslanderi James I. Mallory 1970-4-1 372 Tehama Base of Inskip Hill, just west of Paynes Creek. 609 Comment
  UC726989  Arctostaphylos mewukka A. A. Heller 1942-2-23 16380 Tehama top of grade e Paynes Creek Road Maintenence Station Comment
  JEPS38872  Arctostaphylos nevadensis Jos. Grinnell 1925-7-1 Tehama Mineral Comment
  UCD52661  Arctostaphylos nevadensis John Thomas Howell 1960-8-18 36045 Tehama Bluff Falls. 1981 Comment
  POM367407  Arctostaphylos patula H. P. Bracelin 1931-7-1 502 Tehama 4.5 miles southeast of Shasta City, beside highway to McCloud. [Shasta County] 1220 Comment
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Jul 9 2013
  UC1052009  Arctostaphylos patula R. A. Manning 1954-2-18 3 Tehama on Plum Creek rd five mi e Paynes Creek; Lassen National Forest 975 Comment
  UCD53315  Arctostaphylos patula F. E. Todd 1935-5-16 s.n. Tehama Near Mineral. Comment
  UCD80281  Arctostaphylos patula CNPS SN Foothill Team 2005-6-21 SNNR 0330 a Tehama USFS Lassen National Forest, at the top of Mill Creek ridge. 1158 Comment
  UCR122870  Arctostaphylos patula Susanne M. James 1980-4-23 123 Tehama Highway 32, 1.4 mi south of Lassen N. F. boundry, 5.0 mi south of Potato Patch Camp Ground Comment
  CHSC57371  Arctostaphylos viscida S. R. Mitchelson 1987-4-12 12 Tehama Jct of N. Fork of Antelope Creek and Deadhorse Creek, ca 75 m W of jct. W. central border of Sect 16. 935 Comment
  UC2062565  Arctostaphylos viscida subsp. pulchella Belinda Lo with Kellie Eldridge 2017-8-16 374 Tehama TEHEMA COUNTY: Shasta-Trinity National Forest, Tedoc Mountain Botanical Area, along road 29N45. Comment
  HSC100807  Arctostaphylos viscida subsp. viscida Lowell Ahart, John Dittes 2010-7-17 16877 Tehama Soap Creek Ranch, 40 yd. E of barn, just S of gate, 4.8 (air) mi. SE of Manton, and 2 (air) mi. N of Hwy. 36. 830 Comment
  RSA767833  Arctostaphylos viscida subsp. viscida L. Ahart, John Dittes 2010-7-17 16877 Tehama South of the gate, about 40 yards east of the barn, Soap Creek Ranch, about 4.8 air miles southeast of Manton, about 2 air miles north of Highway 36. 830 Comment
  RSA782334  Arctostaphylos viscida subsp. viscida R. W. Spjut 2008-3-13 16222 Tehama Sacramento Valley-Sierra Foothill Woodland. BLM: along Laynes Valley Road S of Manton, about 25 miles E of Hwy. 99 and just N off Hwy. 36 524 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
  CAS-BOT-BC467181  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1963-6-5 39411 Tehama Near Paynes Creek Comment
  CHSC48644  Argemone munita subsp. munita Vernon Oswald 1984-5-30 1216 Tehama Medocino Nat. Forest, Round Valley Rd. (M4; 23N02), 8.9 mi w of Newville Rd. Scattered plants in loose, dry soil along the road. 853 Comment
  CHSC68700  Argemone munita subsp. munita Vernon H. Oswald; Lowell Ahart 1997-5-14 8459 Tehama Between Mill and Deer creeks on Ponderosa Way (Forest Rd. 28N29) south of Moak Trailhead. 1121 Comment
  CDA13586  Aristida oligantha G. F. Hrusa 1996-8-17 13510 Tehama Sacramento Valley; Blue Tent Creek. Immediately downstream from Jelly's Ferry Rd. crossing, and adjacent to Interstate 5. Comment
  JEPS96035  Aristida oligantha Vernon H. Oswald and Lowell Ahart 1996-7-8 7964 Tehama BLM parcel along Hwy 36 ne of Red Bluff (on flood plain of Paynes Creek e of mouth of intermittent stream crossing ne corner of parcel, (throughout parcel)); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 131 Comment
  CHSC65283  Aristida ternipes var. hamulosa Vernon H. Oswald; Lowell Ahart 1995-6-13 6863 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. 219 Comment
  CHSC30010  Aristolochia californica J. Griffith 1980-4-23 37 Tehama Ponderosa Way 0.5 mi n of Deer Creek. 585 Comment
  HSC90081  Aristolochia californica C. Baldwin, A. Hiss, P. Reynolds 1990-3-12 11 Tehama 100 yds. N of Cone Grove Park on Cone Grove Rd., 2 yds. E of pavement 85 Comment
  SJSU6166  Aristolochia californica D. L. Wilson 1970-4-19 Tehama near confluence N & S Forks of Antelope Creek c. 18 mi E of Red Bluff Comment
  UC450079  Aristolochia californica W. P. Taylor 1912-6-9 Tehama 2 mi. n.e. Tehama (Mill Creek); Mill Creek 60 Comment
  CHSC104751  Arnica dealbata L. P. Janeway 2010-8-29 10174 Tehama High Cascade Range. 1.8 air km north-northeast of Colby Mountain; along Road 17N12 0.6 km north of Road 27N06. 1711 Comment
  CHSC45633  Arnica nevadensis Vernon H. Oswald 1986-7-24 2228 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2682 Comment
  HSC81944  Arrhenatherum elatius Thomas W. Nelson, Jane P. Nelson 1979-6-25 4876 Tehama Along road from Tedoc Gap to Wells Creek, 0.5 mi. from Tedoc Gap 1372 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
  UCD129326  Artemisia ludoviciana J. M. Tucker 1962-7-29 3629 Tehama 3/4 mile north of Ovenlid, South Yolla Bolly Mountain, ca. 3 miles east of the summit. 1981 Comment
  JEPS102320  Asarum hartwegii Vernon H. Oswald and Lowell Ahart 2001-5-7 10005 Tehama between Cohasset Ridge and Soda Springs (Forest Road 26N15 2.2 mi W of Hwy 32) 1072 Comment
  UC1949229  Asclepias cordifolia Barbara Ertter with Brad Olson 1991-7-6 10359 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
  HSC37172  Asclepias fascicularis J. D. Ackerman, A. M. Montalvo 1975-7-16 551 Tehama 3 mi. E of Trinity Co. line on Hwy. 36 Comment
  HSC75119  Asclepias solanoana J. P. Smith, Thomas W. Nelson 1979-6-23 10159 Tehama Shasta-Trinity National Forest, Tedoc. Mtn. 1463 Comment
  UC1299769  Aspidotis densa Freed W. Hoffman 1950-7-3 3716 Tehama 1 mi ne of White Rock Guard Station (<western Guard Station>) Comment
  UC1873680  Astragalus gambelianus Barbara Ertter with Brad Olson 1993-5-15 11810 Tehama Spring Branch Road south of Battle Creek ca 15 air miles NNE of Red Bluff. Comment
  CHSC102331  Astragalus pauperculus L. P. Janeway; B. Castro 2009-4-25 9761 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
  CHSC64527  Astragalus pauperculus Vernon H. Oswald; Lowell Ahart 1995-4-10 6626 Tehama 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. Locally abundant on a cutbank along Manton Rd, just s of Inks Creek Rd. 213 Comment
  CHSC84685  Astragalus pauperculus Samantha Mackey Hillaire; Brian Elliott 2003-5-31 338 Tehama Lassen National Forest, Ishi Wilderness. Rancheria Creek Trail. Along Rancheria Creek Trail from about 0.25-0.6 mi below (S) of the trailhead. 902 Comment
  JEPS86513  Astragalus pauperculus Roy E. Buck, Glenn L. Clifton 1990-4-3 1484 Tehama 10 air km ne Red Bluff (ca 3.3 air km e of Sacramento River-Sevenmile Creek confluence, just e of gas pipeline); e of Sacramento River-Sevenmile Creek confl, ne of Red Bluff 228 Comment
  UC1142476  Astragalus pauperculus R. C. Barneby 1954-5-15 11491 Tehama 2 1/2 mi e Paynes Creek; e of Paynes Creek 624 Comment
  UCD80289  Astragalus pauperculus CNPS SN Foothill Team 2006-5-1 SNFN 0340 Tehama TNC Easement, Denny Ranch. 146 Comment
  CHSC118209  Astragalus pauperculus Tim Kask 2016-4-1 256 Tehama Antelope Creek drainage, McClure Trail, 0.5 mi from top of trail, on side of trail. UTM 10T 0598851/4458647. Comment
  CHSC61730  Astragalus purshii var. tinctus Vernon H. Oswald; Lowell Ahart 1993-9-2 5920 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca 20 mi (air) NW of Paskenta. 2286 Comment
  UC1299222  Astragalus purshii var. tinctus Freed W. Hoffman 1950-7-4 3667 Tehama saddle between North Yolla Bolly and Black Rock; North Coast Ranges, betw North Yolla Bolly and Black Rock 2133 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
  HSC81949  Astragalus whitneyi var. siskiyouensis Thomas W. Nelson, Jane P. Nelson 1979-6-25 4884 Tehama Along road to Mt. Tedoc From Tedoc Gap 1494 Comment
  JEPS76651  Astragalus whitneyi var. siskiyouensis L. R. Heckard 1972-6-17 2973 Tehama western slope Tedoc Mt. 1310 Comment
  CAS-BOT-BC69569  Athyrium alpestre subsp. americanum George W. Gillett 1957-8-13 1057 Tehama Near first major stream crossing on Brokeoff Mountain trail from Sulphur Works checking station. 2133 Comment
  CHSC28  Athyrium filix-femina var. cyclosorum V. Holt 1935-10-1 Tehama Deer Creek Road. Comment
  CHSC102347  Athysanus pusillus L. P. Janeway 2009-4-4 9713 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
  JEPS53226  Athysanus pusillus W. L. Jepson 1899-4-25 178 d Tehama Rosewood Comment
  CHSC48284  Atriplex rosea Vernon Oswald 1987-9-8 3234 Tehama Hwy 36 at Morgan Summit, near the Lassen Park turn-off. 1752 Comment
  CHSC41034  Avena barbata Pauleen Broyles 1982-5-4 796 Tehama The Nature Consevancy Vina Plains Preserve. 66 Comment
  CHSC88840  Avena barbata A. Peterson 2003-4-10 35 Tehama Hwy 36 east of Red Bluff. The Dalles. UTM: 579790E 4463025N. 211 Comment
  SEINET11689127  Avena barbata Unknown 1982-1 796 Tehama The Nature Conservancy Vina Plains Preserve 66 Comment
  CDA42496  Azolla filiculoides S. T. Ancell 1961-3-22 s.n. Tehama Mills Ranch, Red Bluff. 0 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
  UCSB1109  Baccharis salicifolia Wilken, Dieter; Haller, John; Langford, A. 1968-9-10 Tehama Between Corning and Paskenta, 2.2 miles east of Paskenta 228 Comment
  CHSC60179  Balsamorhiza deltoidea Bob Garamendi 1974-5-11 52 Tehama Mill Creek and Deer Creek Study Area. 200 yds S from Bucks Flat Rd. on Deligreen Jeep Trail. 853 Comment
  UC54088  Balsamorhiza sagittata H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4293 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 Comment
  JEPS42572  Barbarea orthoceras J. Grinnell 1927-6-16 Tehama Mineral 1463 Comment
  CHSC105929  Berberis aquifolium var. dictyota Lowell Ahart 2010-7-17 16886 Tehama 4.3 miles (air) southeast of Manton, 2.2 miles (air) north of Highway 36. 623 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
  CHSC116227  Bergia texana Lowell Ahart; John Dittes 2015-6-22 20265 Tehama About 1/4 mile north of Lassen Road, about 1.7 miles northeast of the intersection of Lassen Road and State Highway 99-E, about 4 miles (air) east of Vina, about 7 miles (air) southeast of Los Molinos. 74 Comment
  JEPS124114  Bergia texana Lowell Ahart, John Dittes 2015-6-22 20265 Tehama About 1/4 mile north of Lassen Road, about 1.7 miles northeast of the intersection of Lassen Road and State Highway 99-E, about 4 miles (air) east of Vina, about 7 miles (air) southeast of Los Molinos. Comment
  UCD129578  Bidens frondosa Walter Russell 1947-7-14 180 Tehama Red Bluff. Comment
  CAS-BOT-BC413085  Bistorta bistortoides John Thomas Howell 1960-8-21 36299 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CHSC44222  Bistorta bistortoides Vernon Oswald 1988-7-12 3560 Tehama Ides Cove Loop Trail (9W04), South Yolla Bolly Mts, at Long Lake. Common in a moist meadow at the south end of the lake. 2148 Comment
  CHSC55183  Blennosperma nanum var. nanum L. P. Janeway 1991-3-28 3862 Tehama Battle Creek Wildlife Area. Just south and above Battle Creek; 11/3 mi east of the Sacramento River. 175 Comment
  CHSC64338  Blennosperma nanum var. nanum Vernon H. Oswald; Lowell Ahart 1995-2-22 6491 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. 207 Comment
  HSC49141  Blennosperma nanum var. nanum J. O. Sawyer, R. J. Cole 1979-3-11 3333 Tehama Vina Plains, Hwy. 99 at intersection with Lassen Rd. Comment
  CHSC20267  Boechera breweri Wes Dempsey 1975-5-25 Tehama Cub Creek, 1 mi s of Alder Campground. 1371 Comment
  CHSC34562  Boechera breweri R. E. Preston 1981-6-17 93 Tehama E side of ridge; ca. 2 km ne of Jonesville, Butte Co. 1385 Comment
  UCD114351  Boechera breweri subsp. shastaensis Robert E. Preston 1986-4-25 534 Tehama ca. 10.9 km sw of Paskenta, on Round Valley Rd, ca. 0.4 km e of Bennett Cr., at roadside. 793 Comment
  CHSC60336  Boechera pinetorum Mary Ann Showers 1992-6-26 2583 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CAS-BOT-BC14419  Boechera platysperma John Thomas Howell 1960-8-19 36162 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. 2682 Comment
  UC1736745  Boechera repanda Dean W. Taylor 1997-7-18 16143 Tehama headwaters North Fork Elder Creek 1981 Comment
  CHSC65397  Boechera retrofracta Vernon Oswald 1986-7-24 2238 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  JEPS76657  Boechera subpinnatifida L. R. Heckard 1972-6-17 2967 Tehama Western slope Tedoc Mt. 1310 Comment
  CAS-BOT-BC25913  Boechera suffrutescens P. A. Munz 1951-7-18 16636 Tehama North Yolla Bolly Mountains. North slope of North Yolla Bolly Peak, line of Tehama Trinity counties. 1981 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
  HSC36125  Boykinia occidentalis Judith G. Dickson 1973-7-2 Tehama N Yolla Bolly Mtns., S Fork Beegum Creek, Beegum Basin 1524 Comment
  CHSC105646  Brickellia californica Lowell 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), 3.0 miles (air) northwest of Vina. 57 Comment
  CHSC117715  Brickellia californica Lowell Ahart; John Dittes 2016-8-25 21295 Tehama East of the parking area, about 170 yards west of the Sacramento River, Anderson River Park, 0.7 miles (air) upstream from Stillwater Creek Confluence 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  HSC95412  Brickellia californica L. Ahart, John Dittes 2003-9-17 10570 Tehama S side of Deer Creek, 400 yards E of Hwy. 99, 5 mi. SE of Los Molinos 61 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
  CHSC46611  Brickellia greenei Vernon H. Oswald; W. Dempsey 1989-8-3 3912 Tehama Wilson Lake north of Hwy 36, ca 8 mi (air) east of Mineral. 1633 Comment
  RSA500414  Brickellia greenei Vernon H. Oswald, W. Dempsey 1989-8-3 3912 Tehama Wilson Lake north of Hwy 36, 8 air miles east of Mineral. Comment
  UCD129625  Brickellia greenei John Thomas Howell 1960-8-18 36025 Tehama Lassen Volcanic National Park; Bluff Falls. 1981 Comment
  UCD57434  Briza minor A. A. Beetle 1942-5-19 3312 Tehama 25 miles west of Red Bluff on Rt. 36. Diamond Range Experimental Plot. 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
  CHSC88514  Brodiaea californica var. californica Jenny Marr; Beth Hendrickson 1999-5-27 Tehama Vicinity of Grizzly Creek and Little Grizzly Creek. 304 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
  UCD77148  Brodiaea coronaria Robert E. Preston 2003-5-18 2136 Tehama Ca. 4.45 mi WNW of Richfield, along Clark Rd 99 Comment
  UCD77151  Brodiaea coronaria Robert E. Preston 2003-5-18 2141 Tehama Ca. 2.9 mi ESE of Vina, on S side of Lassen Rd 64 Comment
  CHSC46816  Brodiaea coronaria subsp. coronaria W. Dempsey; V. Oswald, R. A. Schlising 1988-6-10 4539 Tehama About 9 miles W of Paskenta on road to Round Mt. 853 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
  RSA760005  Brodiaea coronaria subsp. coronaria Barbara Ertter, Brad Olson 1991-7-4 10217 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
  CHSC102467  Brodiaea elegans subsp. elegans L. P. Janeway 2009-6-21 9812 Tehama Cascade Range Foothills. Tehama Wildlife Area; along Ishi Road 4.0 road km south of Hogback Road; where the road passes through an un-named short tributary (from the north) into Anteloope Creek, near its head. 628 Comment
  UCD139125  Brodiaea elegans subsp. elegans Robert E. Preston 2004-5-8 2237 Tehama 6.1 miles SW of Cottonwood, along Jellys Ferry Rd. 115 Comment
  UC1949258  Bromus Barbara Ertter with Brad Olson 1991-7-6 10351 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
  CHSC66060  Bromus carinatus var. carinatus Vernon H. Oswald; Lowell Ahart 1996-5-6 7524 .1 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Creek at this location. 124 Comment
  HSC102684  Bromus catharticus J. P. Smith 2013-5-5 13698 Tehama Walnut orchard on the outskirts of Vina. 68 Comment
  CAS-BOT-BC155979  Bromus diandrus A. A. Heller 1916-4-20 12337 Tehama 3 miles north of Red Bluff. Comment
  CHSC43060  Bromus diandrus Pauleen Broyles 1986-4-18 951 Tehama The Nature Conservancy Vina Plains Preserve. Comment
  CHSC41038  Bromus hordeaceus Pauleen Broyles 1982-4-23 456 Tehama The Nature Conservancy Vina Plains Preserve. Just s of Lassen Rd in n central pasture. 70 Comment
  RSA602811  Bromus hordeaceus L. C. Wheeler 1935-5-23 3524 Tehama 9 miles E of Newville on Orlando-Newville Road. 122 Comment
  UCD58652  Bromus hordeaceus A. A. Beetle 1942-5-18 3309 Tehama Near Paynes Creek. Comment
  SEINET4343718 Image available Bromus inermis Barbara Ertter, Brad Olson 1991-7-6 10351 Tehama Rocky Cabin meadow ca 1 mi south of Ball Rock, 1 mi southeast of Cold Spring Forest Station, ca 30 airmiles west of Corning 1890 Comment
  CHSC88258  Bromus laevipes Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11220 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
  UCD80519  Bromus madritensis CNPS SN Foothill Team 2006-5-2 SNFN 0344 a Tehama TNC Easement, Denny Ranch. 295 Comment
  CHSC6723  Bromus madritensis subsp. rubens B. Anthony 1968-4-11 454 Tehama Rest stop on Interstate 5 North between Red Bluff anad Redding, 11 miles S. of Cottonwood. Comment
  CHSC80713  Bromus orcuttianus Lowell Ahart 2001-6-16 8858 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
  JEPS95594  Bromus orcuttianus Lowell Ahart 1994-7-24 7513 Tehama 1 1/4 air miles N of Jonesville (E side of Willow Creek, 100 yds. N of the dirt road) 1615 Comment
  UC1019883  Bromus orcuttianus Milo S. Baker and H. K. Wagnon 1953-7-12 12861 Tehama 5.1 mi from Whitlock Camp (W Tehama County) 1828 Comment
  CHSC87853  Bromus porteri 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
  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
  SEINET10523833  Bromus rigidus Paul Gallian, Billy Joe Cox 1971-6-10 Gallian 715 A Tehama 8 mi e of red bluff, on calif hwy 36, live oak, savannah and aesculus. 152 Comment
  RSA93472  Bromus rubens Keith Wagnon 1953-4-26 12546 Tehama Along County road, 5 to 6 miles West of Paskenta at an elevation of 300 to 400 ft above Paskenta Comment
  CHSC64930  Bromus sterilis Vernon H. Oswald; Lowell Ahart 1995-6-13 6856 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. On the s side of the basalt ridge at the w boundary. 195 Comment
  JEPS97297  Bromus sterilis Vernon H. Oswald and L. Ahart 1995-6-13 6856 Tehama T29N R2W NW1/4 NW1/4 Sec. 26, 640 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 Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff 195 Comment
  HSC81968  Bromus suksdorfii Thomas W. Nelson, Jane P. Nelson 1979-6-25 4899 Tehama Along Post Creek just upstream from Forest Service road 1372 Comment
  CHSC64645  Bromus tectorum Vernon H. Oswald; Lowell Ahart 1995-4-25 6686 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On the w end of the basalt ridge crossing the ne corner of the reserve. 225 Comment
  CHSC96688  Bromus tectorum Lowell Ahart 2007-5-8 13749 Tehama Along flood plain of Dibble Creek, about 100 yards north of Highway 36, about 3.7 miles west of the intersection of Highway 36 and 99 or I-5, about 4 miles (air) northwest of Red Bluff. 111 Comment
  CAS-BOT-BC273305  Cacaliopsis nardosmia Alice Eastwood; John Thomas Howell 1941-7-9 9712 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  JEPS22639  Calandrinia ciliata Rimo Bacigalupi with Drs. Herbert and Lucille Mason Apr 22 1958-Apr 23 1958 6297 Tehama about 2 mi w Kirkwood (about one-half mi w of US Hwy 99, about 7 mi s of Corning); lower portions of the Kirkwood plains 73 Comment
  CAS-BOT-BC167290  California macrophylla Grobe 1917-4-29 64 Tehama Lassen National Forest. Five miles east of Vina 60 Comment
  CHSC49832  Callitriche hermaphroditica Vernon H. Oswald 1990-4-8 4154 Tehama Leininger (Keefer) Rd, ca. 0.5 mi n of its junction with Lassen Rd and Hwy 99 in southern Tehama Co. In a roadside ditch on the east side of a large vernal pond. 70 Comment
  RSA261565  Callitriche hermaphroditica Richard Yeo 1970-2-5 5534 Tehama In Corning Canal, 1 1/4 miles downstream from pumping plant, in vicinity of Red Bluff. Comment
  CHSC79273  Callitriche heterophylla B. Castro; L. P. Janeway 2000-4-4 1082 Tehama Vicinity of Orland, W of Highway I-5, among 'hummocky' rolling hills just N of Rice Creek 118 Comment
  CDA16189  Callitriche heterophylla var. bolanderi G. F. Hrusa, J. Hart 1999-4-29 15042 Tehama Sacramento Valley; Coyote Creek Conservation Area, S of Red Bluff. 152 Comment
  CHSC79713  Callitriche heterophylla var. bolanderi L. P. Janeway; B. Castro 2000-4-4 6650 Tehama Vicinity of Brannin Creek, west of Hwy I-5. 121 Comment
  CHSC102629  Callitriche verna Lowell Ahart; Josephine Guardino 2009-9-6 16366 Tehama North of the enclosure, meadow, shallow water in Gurnsey Creek, meadow, 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
  CHSC50405  Callitriche verna Vernon Oswald 1990-6-12 4291 Tehama Wilson Lake, ca. 8.5 mi (air) east of Mineral. In a rutted track across the meadow at the west end of the lake. 1606 Comment
  HSC74846  Calocedrus decurrens J. P. Smith, Thomas W. Nelson 1978-7-22 10034 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  UC1001293  Calochortus coeruleus Louise Kellogg 1952-7-9 7 Tehama directly s Yolla Bolly Mountain (near Squaw Camp and Pole Corral on Boswell Ridge); North Coast Ranges, Mendocino National Forest, Boswell Ridge 2133 Comment
  CHSC40843  Calochortus luteus Pauleen Broyles 1982-5-12 575 Tehama Along Sheep Camp Ditch. The Nature Conservancy Vinal Plains Preserve. 66 Comment
  HSC1765  Calochortus luteus Larry Berti 1969-5-9 65 Tehama Antelope Creek Canyon, N face, 12 mi. E of Red Bluff, 3 mi. upstream from dam. 213 Comment
  CAS-BOT-BC492651  Calochortus luteus R. F. Hoover 1965-5-29 9414 Tehama 2 mi. se. of Beegum. Comment
  RSA125981  Calochortus luteus E. K. Balls 1957-5-24 22536 Tehama 12.2 miles northwest from junction State Highway 36 and U.S. Highway 99 244 Comment
  RSA125982  Calochortus luteus E. K. Balls 1957-5-24 22535 Tehama 12.2 miles northwest from junction State Highway 36 and U.S. Highway 99 244 Comment
  SBBG41817  Calochortus luteus W. M. Plumb -May-1971 Tehama N of Red Bluff Comment
  CHSC88832  Calochortus monophyllus Pat Sater 2001-4-8 Tehama Tehama Wildlife Area. 200 yds north of Antelope Creek Upper slab crossing. UTM: 10 0595021 E, 4453861 N. 420 Comment
  SEINET12765230  Calochortus monophyllus Barbara Ertter 1990-5-13 8945 Tehama 0.1 mi W of Lassen Lodge fire station on Hwy 36, ca 7 1/2 mi W of Mineral.; 0 1219 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
  UCD36244  Calochortus monophyllus Beecher Crampton 1953-4-30 1189 Tehama 1.5 miles south of Paynes Creek. 548 Comment
  RSA91944  Calochortus monophyllus Beecher Crampton 1953-4-30 1189 Tehama 1.5 miles south of Paynes Creek 549 Comment
  UC54191  Calochortus nudus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4321 Tehama near Morgan (Park's Ranch); Mount Lassen, Mill Creek Canyon 2133 Comment
  CHSC88831  Calochortus superbus Pat Sater 2001-5-5 Tehama Tehama Wildlife Area. At the intersection of Powerline Road and Cottonwood jeeptrail. UTM: 10 0592800 E, 4449256 N. 621 Comment
  CAS-BOT-BC493967  Calochortus superbus Ethel Wickes 1917-6-1 s.n. Tehama Red Bluff Comment
  CAS-BOT-BC493968  Calochortus superbus Ethel Wickes 1917-6-1 s.n. Tehama Red Bluff Comment
  HSC15413  Calochortus superbus K. P. St. John 1965-5-7 16 Tehama 4 mi. W of Paynes Creek on Hwy. 36 Comment
  UCD112390  Calochortus tolmiei Christopher Mallek 2008-5-7 RR4- 5 Tehama Raglin Ridge. 927 Comment
  UCD160066  Calochortus tolmiei James A. Neilson Jr. 1975-4-29 3150 Tehama Along Hwy 36, ca. 4 miles west of Salt Creek. (Exact location unknown. Elevation and coordinates estimated by label maker.) 304 Comment
  RSA17440  Calochortus tolmiei Elmer I. Applegate 1932-4-13 7048 Tehama Begum Comment
  CHSC117739  Calycadenia ciliosa Lowell Ahart; John Dittes 2016-8-25 21292 Tehama East of the parking area, about 200 yards west of the Sacramento River, Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. 117 Comment
  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
  RSA255541  Calycadenia ciliosa Gerald D. Carr 1971-9-18 663 Tehama 6 miles west of Vestal Road on Hwy. 36 396 Comment
  RSA255550  Calycadenia ciliosa Gerald D. Carr 1974-9-11 777 Tehama 0.6 miles south of Luce and Griswold Rd. on Hwy. A5 Comment
  SEINET3863979  Calycadenia ciliosa R. L. Carr 1978-7-7 2117 Tehama Los Molinos. Just 300 yds S of rd on Hwy between Los Molinos and Tehama (Hwy 5). Gravel bar near Sac. R.; 0 Comment
  CHSC31249  Calycadenia fremontii Larry Berti 1980-5-5 1027 Tehama Ca. 2 miles from the junction of Jelly's Ferry Rd. and Manton Rd. on Manton Rd. Comment
  CHSC97918  Calycadenia fremontii G. F. Hrusa; J. Hart 1998-5-10 14425 Tehama S side of Coyote Creek, Coyote Creek Conservation Area, approx. 1.5 mi W of Paskenta Rd. 130 Comment
  JEPS101292  Calycadenia fremontii Dean W. Taylor 1993-8-31 14063 Tehama Inks Creek, ca. 1.5 air mile N of Dales Lake, on hill adjacent to large stock pond in unnamed south fork Inks Creek 186 Comment
  JEPS88565  Calycadenia fremontii Vernon H. Oswald and Lowell Ahart 1996-6-3 7686 Tehama BLM parcel along Hwy 36 ne Red Bluff (on n side of gravel road ca. 0.1 mi e of the Jeep Trail); Cascade Range Foothills, Hog Lake Plateau 240 Comment
  JEPS94818  Calycadenia fremontii Vernon H. Oswald and Lowell Ahart 1998-7-28 9366 Tehama 7.4 mi e of the Tehama-Shasta County line at Beegum Creek (Highway 36 32.6 mi w of old Highway 99 in Red Bluff); Highway 36 390 Comment
  CAS-BOT-BC273397  Calycadenia fremontii R. L. Carr 1978-7-9 2022 (1978) Tehama E of Red Bluff, along S side of Hwy 36, 4.5 mi NE of Jct with Hwy 99 168 Comment
  CAS-BOT-BC273398  Calycadenia fremontii R. L. Carr 1978-7-6 2105 Tehama 7.0 mi E of Vestal Rd on Hwy 36 226 Comment
  UC1876211  Calycadenia fremontii Gerald D. Carr 1974-9-11 775 Tehama 0.1 mi NE of Long Hollow Rd on Black Butte Rd. Comment
  UCD129764  Calycadenia fremontii R. L. Carr 1978-7-6 2110 Tehama at juction of Tedoc Road and Hwy 36 near Beegum, ca. 40 miles west of Red Bluff. 561 Comment
  CAS-BOT-BC270862  Calycadenia pauciflora Milo S. Baker; K. Wagnon 1953-7-12 12908 Tehama Logging road W of Paskenta between 7 and 8 mile posts 457 Comment
  HSC95499  Calycadenia pauciflora Vernon H. Oswald, L. Ahart 1997-7-7 8662 Tehama Ca. 42 mi. W of Red Bluff on Pettyjohn Rd. (Forest Rd. 35 = 28N35), 0.4 mi. E of the Trinity NF boundary 854 Comment
  CAS-BOT-BC270856  Calycadenia pauciflora Gerald D. Carr 1973-7-23 741 Tehama 11.6 miles NW of Paskenta on Toomes Camp Road 1066 Comment
  UC1971726  Calycadenia pauciflora 1978-7-6 2116 Tehama 4.6 mi W of Hwy CR A5 (Bowman Road) on Hwy 36, ca. 1 mi NW of Rosewood (= GDC 664, 737) 214 Comment
  UCD129854  Calycadenia pauciflora Gerald D. Carr 1973-6-23 740 Tehama 1.4 miles northeast of Glenn County line on West Black Butte Road. 213 Comment
  UCD129864  Calycadenia pauciflora R. L. Carr 1978-7-6 2109 Tehama 0.1 mile south of Highway 36 on Ted Rd, 2 miles southeast of Beegum (Shasta Co. Line). 549 Comment
  CHSC96327  Calycadenia truncata L. P. Janeway 2006-8-20 8855 Tehama High Cascade Range. Ridge top between Deer Creek and Ninemile Creek, overlooking Devils Parade Ground from the southeast; about 80 m west of Road 26N15 8.0 road km southwest of Soda Springs and Hwy 32. Rocky gravelly eroding volcanic northwest-facing ridge top. 1082 Comment
  RSA718503  Calycadenia truncata subsp. truncata L. P. Janeway 2006-8-20 8855 Tehama High Cascade Range. Ridge top between Deer Creek and Nine-mile Creek, overlooking Devil's Parade Ground from the southeast; about 80 m west of Road 26N15, 8 road km southwest of Soda Springs and Hwy. 32. 1082 Comment
  UC1949335  Calyptridium monospermum Barbara Ertter with Brad Olson 1991-7-4 10279 Tehama ca 1-1/2 mi up Williams Camp Rd (24N05) from Ball Rock / Toomes Camp Rd (M2), ca 3 airmiles S of Ball Rock ca 28 airmiles W of Corning Comment
  HSC75381  Calyptridium umbellatum J. O. Sawyer, K. A. Sawyer 1980-6-18 3448 Tehama S of N Yolla Bolly Peak. 2348 Comment
  CAS-BOT-BC221221  Calystegia malacophylla subsp. malacophylla F. J. Hermann 1931-7-11 2596 Tehama Lassen Volcanic National Park. Below Diamond Peak 2164 Comment
  SEINET12326981  Calystegia occidentalis R. A. Schlising 1975-1 3171 Tehama Hwy 32, 15 mi S of jct with Hwy 36 Comment
  JEPS102308  Calystegia occidentalis subsp. occidentalis Lowell Ahart 2001-6-8 8770 Tehama 9 mi W of Paskenta (S side of road M2) 792 Comment
  JEPS108922  Calystegia occidentalis subsp. occidentalis Lowell Ahart 2006-7-19 13031 Tehama North edge of an open dry flat, about 100 yards west of the dirt road, about 50 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525 Comment
  JEPS88095  Calystegia occidentalis subsp. occidentalis Vernon H. Oswald and Lowell Ahart 1996-5-20 7579 Tehama Hog Lake Plateau. BLM parcel along Highway. 36 NE of Red Bluff. Cascade Range Foothills. Comment
  JEPS31631  Calystegia occidentalis var. tomentella Joseph Grinnell 1925-7-21 Tehama Mineral 1463 Comment
  CAS-BOT-BC493374  Camassia quamash subsp. breviflora A. A. Heller 1928-5-30 14572 Tehama Mineral 1524 Comment
  CHSC102366  Camissonia contorta L. P. Janeway 2009-3-28 9672 Tehama Tehama Wildlife Area; along West Grapevine Jeep Trail 1.9 road km west of the power lines; ridge top north of Little Grapevine Creek. 503 Comment
  JEPS113308  Campanula prenanthoides L. P. Janeway 2006-6-25 8713 Tehama High Cascade Range. Along Cohasset Road 1.2 road km and 0.4 air km northeast of the upper northern tip of Cohasset Ridge. Comment
  SD211575  Campanula prenanthoides Barbara Ertter, Brad Olson 1991-7-5 10340 Tehama Twin Springs watertank, Raglin Ridge Road 5.7 miles above North Fork Elder Creek crossing, circa 25 airmiles Southwest of Red Bluff. 1250 Comment
  SEINET10463061  Campanula prenanthoides Mosman 1971-7-17 MOSMAN 121 Tehama At bottom of slope 2 ft east of Highway 32, ablut 19.6 miles south of Chester, Calif. 1067 Comment
  CHSC64384  Capsella bursa-pastoris Vernon H. Oswald; Lowell Ahart 1995-3-6 6500 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
  CHSC56282  Cardamine breweri K. R. Stern 1986-5-21 8272 Tehama Deer Creek Meadows, 1 mi SE of jct hwys 32 and 36. 1402 Comment
  CHSC67195  Cardamine oligosperma James D. Jokerst 1981-2-23 1240 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd. Drainages ca. 150 ft N of Pine Creek. Comment
  CAS-BOT-BC38054  Cardamine pachystigma John Thomas Howell 1944-7-14 19760 Tehama Anthony Peak, east side. Comment
  CAS-BOT-BC38055  Cardamine pachystigma Alice Eastwood; John Thomas Howell 1941-7-9 9832 Tehama Near Government Flat. Comment
  CHSC81924  Carex amplifolia L. P. Janeway 2001-7-25 7390 Tehama High Cascade Range. In bend on north side of Deer Creek, about 150 m southwest of Slate Creek; between Hwy 32 and the creek. 1294 Comment
  UC1598404  Carex amplifolia Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-2 4425 Tehama near Lassen Volcanic N.P. Science Center (near Mineral); Lassen National Forest Comment
  CHSC66212  Carex barbarae Vernon H. Oswald; Lowell Ahart 1996-6-3 7710 .1 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On a moist, sandy flat along Paynes Creek ca. 0.5 mi downstream from the old bridge site. 100 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
  UC1026413  Carex brainerdii John Thomas Howell and R. C. Barneby 1954-5-14 29566 Tehama 4 mi se Childs Meadows 1463 Comment
  SEINET7556703 Image available Carex densa L. P. Janeway 2001-6-10 7143 Tehama North Yolla Bolly quad. 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
  RSA201270  Carex echinata subsp. echinata J. T. Howell 1961-6-20 36579 Tehama Bluff Falls. 1982 Comment
  CAS-BOT-BC20756  Carex fracta John Thomas Howell 1960-8-18 36039 Tehama Near Lassen Volcanic National Park. Bluff Falls. 1981 Comment
  JEPS102249  Carex fracta L. P. Janeway 2001-7-29 7399 Tehama High Cascade Range. At Tamarack Spring; about 4.5 km south-southeast of Turner Mountain; the head of Gunbarrel Creek. Meadow. 1667 Comment
  CAS-BOT-BC28197  Carex hoodii H. M. Hall; E. B. Babcock 1903-7-1 4346 Tehama Near Morgan, Mill Creek Canyon. 1524 Comment
  CHSC94219  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
  SEINET3902355  Carex integra Barbara Ertter, Brad Olson 1991-7-6 10416 Tehama Rocky Cabin meadow about 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, about 30 airmiles W of Corning.; 0 1890 Comment
  SEINET3902792  Carex jonesii Barbara Ertter, Brad Olson 1991-7-6 10418 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.; 0 1890 Comment
  SEINET7563144 Image available Carex jonesii David Castaner 1984-5-28 8060 Tehama Along Highway 36, Gurnsey Creek. Comment
  UCD140470  Carex klamathensis Barbara L. Wilson; Richard Brainerd 2003-6-20 10951 Tehama Pepperwood Spring, in private property just east of the Mendocino National Forest. 899 Comment
  JEPS105657  Carex laeviculmis L. P. Janeway 2001-6-10 7155 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
  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
  HSC82164  Carex lenticularis var. lipocarpa Thomas W. Nelson, Jane Nelson 1979-6-25 4920 Tehama Along FS Rd. 35, 1.9 mi. from Stuart Gap Comment
  CHSC106693  Carex microptera Barbara Ertter; Brad Olson 1991-7-6 10417 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Springs Forest Station, ca 30 airmiles W of Corning. 1889 Comment
  SD211487  Carex microptera Barbara Ertter, Brad Olson 1991-7-6 10417 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
  SEINET10713054  Carex microptera David Castaner 1984-5-28 Castaner 8061 Tehama Gurnsey Creek, along Highway 36. Comment
  CHSC72414  Carex multicaulis Vernon H. Oswald; Lowell Ahart 1998-10-27 9685 Tehama Nomalaki Trail west of Paskenta and north of Mud Flat Rd. between China Gulch and Bowers Creek. 548 Comment
  JEPS127238  Carex multicaulis Lowell Ahart, John Dittes 2016-4-29 20816 Tehama About 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. Comment
  JEPS124410  Carex nervina Lowell Ahart, John Dittes 2015-8-6 20501 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
  JEPS124421  Carex nervina Lowell Ahart, John Dittes 2015-8-5 20445 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-BC119675  Carex nervina Hans Leschke 1960-8-10 1786 Tehama Hat Lake 1965 Comment
  CHSC47356  Carex nudata L. P. Janeway; Oscar V. Janeway, Lillian Janeway 1987-5-26 2098 Tehama Along Deer Cr at Elam Cr campground. 1325 Comment
  CHSC76533  Carex nudata Heidi West; Jenny Marr, Natalie Wight 1999-4-29 Tehama Vicinity of Red Bank Creek and Dry Creek. 243 Comment
  CHSC84314  Carex nudata Lowell Ahart; John Dittes 2003-6-11 10268 Tehama On the south side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  CHSC87859  Carex nudata Lowell Ahart 2004-6-11 11022 Tehama On the south edge of Thomes Creek, west of the end of the Nomalaki Trail, about 1/2 mile north of Dead Rabbit Lake, about 2 miles northwest of Bowers Creek, about 2 3/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 338 Comment
  JEPS122042  Carex nudata Lowell Ahart, John Dittes 2014-5-18 19514 Tehama On the north side of the bridge, about 1 1/2 miles east of the end of Lyon Cattle Road, about 3 1/2 miles (air) northeast of Los Molinos. Comment
  CAS-BOT-BC20758  Carex pachycarpa Alice Eastwood; John Thomas Howell 1941-7-10 9851 Tehama Mendocino - Tehama County. Anthony Peak. Comment
  UC2015890  Carex pachystachya Ron Mastrogiuseppe, Joy Mastrogiuseppe 1986-8-2 4423 Tehama Lassen Volcanic National Park. Near Mineral, at NPS housing area and Science Center. Comment
  UC725648  Carex pachystachya A. A. Heller 1929-5-1 14853 Tehama Osage Avenue Comment
  JEPS106382  Carex pellita Lowell Ahart 2004-6-11 11033 Tehama On the west margin of Dead Rabbit Lake, about 100 yards west of the Nomalaki Trail, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta 545 Comment
  CAS-BOT-BC117964  Carex rossii John Thomas Howell 1960-8-18 36035 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC117975  Carex rossii Clinton Hart Merriam 1916-9-1 s.n. Tehama South Yolla Bolla near top Comment
  CHSC109972  Carex serratodens Peter F. Zika; Julie Nelson 2011-7-5 25525 Tehama Forest Road 45, W side of Rat Trap Ridge, 3.5 air miles ENE of Black Rock Lake. North Coast Range Highlands (NCoRH). 1660 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
  HSC70008  Carex serratodens Thomas W. Nelson, Jane P. Nelson 1978-7-21 4447 Tehama Along Tedoc Rd., 100 mi. S of Tedoc Gap Comment
  JEPS124408  Carex simulata Lowell Ahart, John Dittes 2015-8-6 20504 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
  JEPS124420  Carex simulata Lowell Ahart, John Dittes 2015-8-5 20446 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
  CHSC102595  Carex specifica L. P. Janeway 2009-7-26 9875 Tehama High Cascade Range. Lassen Natgional Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  JEPS28389  Carex specifica George W. Gillett 1957-8-18 1104 Tehama about 1/4 mi above Sulphur Works C.S. (lower portion of the Brokeoff Trail); Lassen Volcanic National Park, Brokeoff Mtn., Brokeoff Trail 2103 Comment
  CAS-BOT-BC115821  Carex subfusca Alice Eastwood; John Thomas Howell 1941-7-9 9808 Tehama Government Flat. Comment
  CHSC82685  Carex subfusca L. P. Janeway 2001-6-10 7145 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
  JEPS116109  Carex subfusca Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16334 Tehama West side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of 1493 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
  CAS-BOT-BC115170  Carex vesicaria Philip Alexander Munz 1951-7-26 16941 Tehama Long Lake, north base of South Yolla Bolly Mt. 2133 Comment
  JEPS97359  Carex vulpinoidea Vernon H. Oswald and L. Ahart 1995-7-31 7162 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). Tufted sedge 335 Comment
  CHSC77791  Castilleja affinis subsp. affinis B. Castro; C. Warren, L. P. Janeway 1999-5-4 907 Tehama About 25 air miles NW of Orland, vicinity of Rocky Ridge, Williams Butte, and Garland/Round Valley Rd. 298 Comment
  CHSC87907  Castilleja applegatei subsp. pinetorum Lowell Ahart 2004-6-11 11032 Tehama Along 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
  CHSC89029  Castilleja applegatei subsp. pinetorum Pat Sater 2001-4-8 Tehama Tehama Wildlife Area. 1 mile east of Dewitt Peak, off of Potato Hill Jeeptrail. UTM: 10 0590076 E, 4446105 N. 598 Comment
  JEPS10972  Castilleja applegatei subsp. pinetorum W. L. Jepson 1927-6-20 12263 Tehama near Battle Creek Meadows 1402 Comment
  JEPS126574  Castilleja applegatei subsp. pinetorum Lowell Ahart, John Dittes 2016-6-22 21048 Tehama On the west side of USFS Road 27N08, 1.0 mile (air) south of USFS Road 27N08 Bridge over Deer Creek, 4.7 miles (air) southwest of Potato Patch Campground, west of Highway 32. Comment
  UC1001340  Castilleja applegatei subsp. pinetorum Louise Kellogg 1952-7-18 87 Tehama near Squaw Camp and Pole Corral on Boswell Ridge (directly s of South Yolla Bolly Mountain); North Coast Ranges, Mendocino National Forest 2133 Comment
  CHSC55419  Castilleja attenuata Vivian L. Long 1991-4-21 9 Tehama Ca. 1.5 mi s Wildcat Road, 20 ft e Hwy A6. 320 Comment
  CHSC57520  Castilleja attenuata S. R. Mitchelson 1987-4-16 18 Tehama Ca 75 m e of Hog Lake, Hwy 36, 16.5 km ne of Red Bluff, 3.2 km nw of Tuscan Buttes, 5.6 km s of Dales. 262 Comment
  CHSC65934  Castilleja attenuata Vernon H. Oswald; Lowell Ahart 1996-4-15 7361 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley. S side of the intermittent stream ca. 0.1 mi E of the lane. 103 Comment
  CHSC88852  Castilleja attenuata A. Peterson 2003-4-17 40 Tehama Tehama Wildlife Area. Couple miles south of Paynes Creek. Oak Creek Rd. UTM: 593570E 4462115N. 646 Comment
  CHSC87022  Castilleja foliolosa Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-7-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 304 Comment
  UC2043037  Castilleja foliolosa Barbara Ertter with Brad Olson 1991-7-6 10456 Tehama Toomes Camp Road (M22) 7.0 mi W of Paskenta junction, ca. 24 air miles W of Corning. Comment
  CHSC102394  Castilleja lacera Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16327 Tehama About 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Area between S23 SE1/4 and S24 SW1/4. 1493 Comment
  JEPS115391  Castilleja lacera Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16327 Tehama About 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Are 1493 Comment
  SJSU5825  Castilleja lacera J. W. Tilden 1960-6-26 1476 Tehama Wilson L 1524 Comment
  CAS-BOT-BC251927  Castilleja lemmonii A. H. Kramer 1933-1-1 s.n. Tehama Lassen National Park Comment
  JEPS17593  Castilleja miniata Rimo Bacigalupi with G. T. Robbins, Keith Wagnon and Douglas Barbe 1955-7-16 5307 Tehama about 1 mi e Ovenlid (on e flank, at Somerset's); North Coast Ranges, Mendocino National Forest 1767 Comment
  CHSC94361  Castilleja tenuis Lowell Ahart 2006-7-19 13036 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
  SEINET14173423  Castilleja tenuis H. M. Hall, E. B> Babcock 1903-1 4371 Tehama Mill Creek Canyon, near Morgan [Springs]. 1524 Comment
  CHSC27736  Castilleja wightii W. K. Cheechov 1978-3-24 6 Tehama Ca. 12 ft e of Pettyjohn Rd. 2.8 mi sw of Saddle Camp Ranger Station, ca. 27 mi w of Red Bluff. 231 Comment
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Dec 19 2007
  SEINET4399745  Ceanothus Leila M. Shultz 1990-5-5 11319 Tehama North Coast Ranges; Mendocino Forest 305 Comment
  SBBG46161  Ceanothus cordulatus H. and M. Dearing 1938-7-23 2110 Tehama Deer Crk Comment
  UC452581  Ceanothus cordulatus W. P. Taylor 1913-8-2 Tehama 2 mi s S. Yolla Bolly Mt. Comment
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Jul 5 2009
  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
  CHSC88939  Ceanothus cuneatus var. cuneatus Pat Sater 2001-3-20 Tehama Tehama Wildlife Area. At the Rock Wall on Powerline Road. UTM: 10 0591363 E, 4446370 N. 640 Comment
  UC774483  Ceanothus cuneatus var. cuneatus Carl B. Wolf 1941-7-23 11058 Tehama 10 mi e (above) Paynes Creek P.O. (Red Bluff-Susanville Rd) 1005 Comment
  CAS-BOT-BC50959  Ceanothus integerrimus Eric B. Peterson; Thomas Ward; Matt Foruria 1995-4-22 78 Tehama Hwy 36 at Beegum Gorge, ~40m from road 396 Comment
  HSC96790  Ceanothus integerrimus J. Carey, A. Hong, J. Leffingwell 1995-4-22 49 Tehama 0.5 mi down trail to Beegum gulch from trailhead where Hwy. 36 intersects with Shasta-Tehama Co. line 396 Comment
  LA43614  Ceanothus integerrimus Carl Epling; William Robison 1935-7-16 sn Tehama near Mineral Comment
  CAS-BOT-BC50655  Ceanothus jepsonii A. A. Heller 1918-4-28 12999 Tehama Grade between Mud Flat and Bennett Spring in the Coast Range in the digger pine belt. Comment
  HSC65815  Ceanothus lemmonii Teri Bartkowski, Shane Feusier, Ruth Takaki, Carol Zimmerer 1980-5-3 86 Tehama 0.5 mi. SSW of BM1797 on USFS Rd. 29N15 610 Comment
  HSC98343  Ceanothus lemmonii J. Carey, A. Hong, J. Leffingwell 1995-4-22 54 Tehama 7 mi. E on Hwy. 36 from its junction with Rd. A16 610 Comment
  CAS-BOT-BC51995  Ceanothus prostratus Carl B. Wolf 1937-5-17 8708 Tehama Northern Sierra Nevada Foothills, Red Bluff - Susanville Road, 11 mi. above Paynes Creek P. O. Comment
  UC1281310  Ceanothus prostratus H. E. McMinn 1940-6-21 5274 Tehama Deer Creek Road #20 s of Lassen National Park Comment
  UCD112663  Ceanothus prostratus R. N. Raynor 1940-4-19 s.n. Tehama Payne's Creek. Comment
  CDA19949  Centaurea maculosa E. Finley 2002-7-1 PDR 1140323 Tehama Northern California; Hwy 36 W-bound at MM 102.75, 1.4 mi W of Plumas Co line. 0 Comment
  CHSC105934  Centaurea melitensis Lowell Ahart; John Dittes 2010-7-17 18856 Tehama Near the fence, near brush piles, about 100 yards southeast of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 819 Comment
  CHSC78793  Centaurea melitensis Julie Cunningham; Natalie Wight 1998-5-19 Tehama Vicinity of North Fork Stony Creek and Rocky Ridge. 274 Comment
  CHSC40515  Centaurea solstitialis Pauleen Broyles 1982-7-2 775 Tehama The Nature Conservancy Vina Plains Reserve. Near Hwy 99. 60 Comment
  CHSC75349  Centaurea solstitialis Ben Myhre 1997-4-25 28 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  SEINET11262179  Centaurea solstitialis Robert L. Johnson, Mikel R. Stevens 2015-7-10 3950 Tehama Cascade Range. 17.1 rd mi southwest of jct with CA-36 on CA-32 (Deer Crk Hwy). W side of rd. Ca 31 air mi northeast of downtown Chico.; 0 1335 Comment
  SEINET8111601 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201510 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111603 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201508 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111607 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201504 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111624 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201518 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  SEINET8111628 Image available Centaurea solstitialis Julia Harencar, Gregory Reardon 2015-1 DIA 201513 Tehama Hillside to the West of parking lot at end of Green Valley Road. 209 Comment
  JEPS99026  Centaurium trichanthum Vernon H. Oswald and Lowell Ahart 1998-10-27 9678 Tehama W of Paskenta (Nomalaki Trail at first small drainage beween Mud Flat Road and China Gulch) 609 Comment
  CHSC14202  Centromadia fitchii F. T. Griggs 1973-8-7 Tehama 16 miles n of Chico, along Hwy 99E on the Vina Plains. Comment
  CHSC66557  Centromadia fitchii Vernon H. Oswald; Lowell Ahart 1996-7-8 7964 .1 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. (Collected on the flood plain of Paynes Creek E of the mouth of the intermittent stream crossing the NE corner of the parcel). 158 Comment
  CHSC41084  Centunculus minimus Pauleen Broyles 1982-5-10 556 Tehama The Nature Conservancy Vina Plains Preserve. Dried bottom of a minor drainage w of Sheep Camp Ditch, ca 400 m to nw of barn. 60 Comment
  CHSC49677  Cephalanthera austiniae Vernon Oswald 1984-6-7 1257 Tehama Calif. Hwy 32 at Chico Creek Ridge Bridge. 1048 Comment
  CAS-BOT-BC251513  Cercis occidentalis Camille F. Nowell 2012-7-16 48 Tehama Hwy 32 in Lassen National Forest. 1025 Comment
  CHSC65699  Cercis occidentalis Vernon H. Oswald; Lowell Ahart, Joe Molter 1996-3-25 7271 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Growing in rocky flood plain of Paynes Creek at the end of the gravel road running westward from the parking lot on Hwy. 36. 106 Comment
  CHSC75399  Cercocarpus betuloides Ben Myhre 1997-4-16 14 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  JEPS81105  Cercocarpus betuloides var. betuloides J. P. Smith and T. W. Nelson 1978-7-22 10046 Tehama Shasta-Trinity National Forest 1280 Comment
  UCD130249  Chaenactis douglasii Gerald Dickinson 1964-7-24 240 Tehama summit of Anthony Peak. 2121 Comment
  HSC74948  Chaenactis douglasii var. douglasii J. P. Smith, Thomas W. Nelson 1979-6-23 10161 Tehama Summit of Tedoc Mtn., Shasta-Trinity Natl. Forest 1646 Comment
  CAS-BOT-BC276495  Chaenactis douglasii var. douglasii H. F. Copeland 1920-7-7 86 Tehama On Butt Mountain 1828 Comment
  CHSC105995  Chaenactis glabriuscula var. heterocarpha B. Castro; L. P. Janeway 2000-4-22 1093 Tehama High Cascade Range. Along USFS Rd 28N29/Ponderosa Way 0.8 km northwest of Black Rock; south-facing slope overlooking Mill Creek. 871 Comment
  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
  UC1585833  Chaenactis glabriuscula var. heterocarpha Barbara Ertter 1989-5-3 8444 Tehama ca 20 airmiles sw of Chester (Deer Creek rd (Rt 32) at milepost 12.00, e side of Deer Creek); Deer Creek 975 Comment
  CHSC45653  Chaenactis nevadensis Vernon Oswald 1986-7-24 2230 Tehama Lassen Volcanic National Park, Brokeoff Mountain Trail. 2682 Comment
  SBBG6576  Chamaesaracha nana H. and M. Dearing 1938-6-22 2086 Tehama near Deer Crk Comment
  SD6930  Chamaesaracha nana Mrs. R. M. Austin June 1883 Tehama Summit Road Comment
  JEPS83936  Chamaesyce hooveri R. D. Stone 1986-8-22 796 Tehama 1.1 mi nne intersection of Leininger Rd and Hwy 99 (0.3 mi e of Leininger Rd); Vina Plains 75 Comment
  UC596013  Chamaesyce hooveri R. F. Hoover 1938-8-2 3722 Tehama 4 mi se 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
  CHSC84620  Chamaesyce maculata Lowell Ahart; John Dittes 2003-9-17 10576 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
  CHSC40813  Chamaesyce ocellata Pauleen Broyles 1982-8-5 830 Tehama The Nature Conservancy Vina Plains Preserve. Internal drainage just e of irrigation ditch about 45 meters s of Lassen Road. 66 Comment
  CHSC66309  Chamaesyce ocellata subsp. rattanii Vernon H. Oswald 1996-7-4 7745 Tehama Foothills of the Inner North Coast Ranges. E end of Morrison Bryant Rd. on the S side of the Burris Creek Arm of Black Butte Lake. 152 Comment
  JEPS91381  Chamaesyce ocellata subsp. rattanii Dean Wm. Taylor with James Shevock, Barbara Ertter 1993-10-17 14080 Tehama Valentine Ridge, along Coolyear Springs Road (Forest Road 25N01) 1 mi E of junction with Raglin Ridge road (Forest Road 25N02) (ca. 11 mi NW of Paskenta 518 Comment
  UC1023463  Chamaesyce ocellata subsp. rattanii Milo S. Baker and H. K. Wagnon 1953-5-30 12686 Tehama logging rd to w Paskenta (near Post 5 mi) Comment
  CHSC105638  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2010-10-4 17274 Tehama About 50 yards south 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
  CHSC84605  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2003-9-17 10577 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
  JEPS120784  Chamaesyce serpillifolia subsp. serpillifolia Lowell Ahart 2013-9-17 19049 Tehama Silt on the bottom of Burris Creek, strand of Black Butte Reservoir, about 1.5 miles SW of the dam, about 12 air miles NW of Orland. Comment
  CHSC116670  Cheilanthes gracillima Lowell Ahart; John Dittes, Josephine Guardino 2016-2-11 20700 Tehama Near the fish ladder on Deer Creek, about 2 miles by trail to Highway 32. 883 Comment
  HSC74954  Cheilanthes gracillima J. P. Smith, Thomas W. Nelson 1979-6-24 10175 Tehama Shasta-Trinity National Forest, Wells Creek Camp 1311 Comment
  CAS-BOT-BC70225  Cheilanthes gracillima Clare R. Wheeler; Jerry Cook 1981-6-17 2436 Tehama Mendocino National Forest, E. of Uhl Peak, West of Gov't Flat 1950 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
  CDA1895  Chloris virgata T. C. Fuller 1963-8-26 11151 Tehama East side of Hwy 99E to Chico, at road junction with road to Corning, 0.5 miles south of road to Vina. 0 Comment
  SEINET12051035  Chlorogalum angustifolium Unknown 1982-1 542 Tehama The Nature Conservancy Vina Plains Preserve 70 Comment
  CHSC108653  Chlorogalum pomeridianum B. Castro; L. P. Janeway 2000-6-15 1300 Tehama Inner North Coast Ranges. Ca 9 rd mi SW of Paskenta, on N side of Mud Flat Rd ca 1.6 mi W of its jcn with Round Valley Rd. 569 Comment
  CHSC101419  Chlorogalum pomeridianum var. minus David Isle 1992-5-23 1563 Tehama Round Mountain SE of Government Flat Junction. 1176 Comment
  CHSC108649  Chlorogalum pomeridianum var. minus B. Castro; L. P. Janeway 2000-6-15 1298 Tehama Inner North Coast Ranges. Ca 7.1 mi W of Paskenta along Rd M2, at Beehive Flat. 670 Comment
  CHSC66200  Chorizanthe membranacea Vernon H. Oswald; Lowell Ahart 1996-6-3 7719 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Uncommon on Tuscan mudflow bluffs on the E side of paynes Creek near the Sacramento River. 106 Comment
  JEPS57707  Chorizanthe polygonoides var. polygonoides W. L. Jepson 1932-5-9 16350 Tehama Rubble Field ne Red Bluff 137 Comment
  UC1594665  Chorizanthe polygonoides var. polygonoides Vernon H. Oswald and Lowell Ahart 1992-4-21 4900 Tehama Hogsback Road (Belle Mill Rd. or Forest Rd. 28N24) 6.6 mi (odometer) e of Highway 99 ca 8 mi (air) e Red Bluff; e of Red Bluff Comment
  CHSC84679  Chorizanthe stellulata Samantha Mackey Hillaire; Brian Elliott 2003-5-31 339 Tehama Lassen National Forest, Ishi Wilderness. Rancheria Creek Trail, on a S-facing slope. Along the trail. 902 Comment
  CHSC46207  Cicendia quadrangularis Pauleen Broyles 1984-3-31 934 Tehama The Nature Conservancy Vina Plains Preserve. Ca 100 m north of Hwy 99, on e side of access road in south pasture. 61 Comment
  HSC96988  Cirsium andersonii L. Ahart 2006-9-9 13257 Tehama About 150 yards E of Colby Creek, about 2 mi. (air) SE of Colby Mtn., about 5 mi. (air) NE of Butte Meadows 1526 Comment
  OBI54134  Cirsium andersonii David J. Keil, Kathleen Keil 1992-7-25 23602 Tehama Lassen NF along Hwy 89. 6.6 mi SE of Lassen Volcanic Natl Park southern boundary Comment
  SBBG119889  Cirsium andersonii L. Ahart 2006-9-9 13257 Tehama near dry meadow just W of dirt rd, ca. 150 yds E of Colby Crk, ca. 5 air mi NE of Butte Meadows; T26N R4E S11, NE/4 1525 Comment
  RSA712898  Cirsium arvense David W. Isle, Mike VanDame 1999-8-11 1240 Tehama West end of Slanes Flat near cabin site 1643 Comment
  CHSC64941  Cirsium cymosum Vernon H. Oswald; Lowell Ahart 1995-7-12 7026 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on the summit of Tedoc Mtn. (end of Forest Road 28N60). 1615 Comment
  UC1619982  Cirsium occidentale var. venustum Barbara Ertter, Brad Olson 1991-7-6 10450 Tehama Toomes Camp Rd. (M22) 15.6 mi. from Paskenta (2.5 mi. e. Forest Glade/Three Prong junction, ca. 28 airmiles w. of Corning, e. side Tatham Ridge overlooking valley); Tatham Ridge 1432 Comment
  JEPS29576  Cirsium scariosum John Thomas Howell 1960-8-18 36087 Tehama Sulphur Works entrance station Lassen Volcanic National Park 2011 Comment
  UC1001310  Clarkia Louise Kellogg 1952-7-13 35 Tehama near Ovenlid (at start of trail to Square Lake and South Yolla Bolly Mountain); North Coast Ranges, Mendocino National Forest 1767 Comment
  CHSC26304  Clarkia arcuata P. S. Deffenbaugh 1977-4-19 37 Tehama Mill Creek, 6 mi e of end of Third St, Los Molinos. On hillside ca. 350 yds s of dirt road. Comment
  CHSC65224  Clarkia borealis V. Parker; J. Clark 1993-7-3 860 Tehama Inskip Hill, on Gridley property west of Lanes Valley Road. 426 Comment
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Feb 14 2013
  RSA90798  Clarkia concinna subsp. concinna Milo S. Baker, H. K. Wagnon 1953-5-31 12706 Tehama Logging road west of Paskenta above 6 mile post Comment
  CHSC68588  Clarkia gracilis subsp. albicaulis Vernon H. Oswald; Lowell Ahart 1997-5-14 8449 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 17.8 mi south of Plum Creek Rd., 2.6 mi north of the bridge on Mill Creek at Black Rock. On roadside bank. 920 Comment
  HSC96980  Clarkia gracilis subsp. albicaulis L. P. Janeway 2003-6-14 7830 Tehama High Cascade Range, along Cohasset Rd. about half way down into the canyon of Deer Creek, 1 air mi. S of Deer Creek 780 Comment
  CHSC66050  Clarkia gracilis subsp. gracilis Vernon H. Oswald; Lowell Ahart 1996-5-6 7516 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the north-facing slope of Paynes Creek Canyon at this location. 167 Comment
  CHSC64713  Clarkia lassenensis Vernon H. Oswald; Lowell Ahart 1995-5-16 6732 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On the w side of the basalt ridge crossing the ne corner of the reserve. 225 Comment
  CHSC89851  Clarkia lassenensis L. P. Janeway; B. Castro 2004-5-30 8122 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. East-northeast facing steep area. 1000 Comment
  JEPS106499  Clarkia lassenensis L. P. Janeway, B. Castro 2004-5-30 8122 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. East-northeas 1000 Comment
  CHSC96658  Clarkia purpurea subsp. quadrivulnera Lowell Ahart 2007-5-8 13740 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
  CDA38032  Clarkia purpurea subsp. quadrivulnera G. D. Barbe, J. T. Howell, T. C. Fuller 1980-5-19 2665 Tehama 23.7 km west of Old Highway 99 on Highway 36, 480 meters east of bridge over South Fork of Cottonwood Creek. Comment
  HSC70014  Clarkia rhomboidea Thomas W. Nelson, Jane P. Nelson 1978-7-21 4438 Tehama Along Tedoc Rd., 5 mi. from Jct. with Hwy. 36 Comment
  HSC74951  Clarkia rhomboidea J. P. Smith, Thomas W. Nelson 1979-6-24 10178 Tehama Shasta-Trinity National Forest. 0.8 mi. from Wells Creek Camp on the road to Tedoc Gap 1280 Comment
  POM262914  Clarkia rhomboidea Herbert McLean Evans 1922-07 s.n. Tehama Between Drakesbad and Kelly s, Tehama and Plumas County. Lassen National Park 1677 Comment
  CHSC70837  Claytonia exigua subsp. exigua Vernon Oswald 1998-3-28 8892 Tehama Nomalaki Trail north of Mud Flat Rd. between China Gulch and Bowers Creek in Mendocino NF. 487 Comment
  CHSC88598  Claytonia sibirica L. P. Janeway 2001-6-10 7151 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
  CHSC56090  Clematis lasiantha Bob Garamendi 1974-5-12 51 Tehama Mill Creek-Deer Creek Study Area. 3/4 mi northeast of Beaver Creek crossing below road-cut 12 ft long. 701 Comment
  HSC86196  Collinsia grandiflora Clare R. Wheeler 1981-6-17 2425 Tehama At Government Flat Rd., 2.75 mi. N of Wells Cabin Campground 1829 Comment
  JEPS76667  Collinsia greenei L. R. Heckard 1972-6-17 2957 Tehama Tedoc Mt.; bare serpentine slope on nw side, along new road around w of mountain 1280 Comment
  UCD123554  Collinsia greenei D. W. Taylor; G. L. Stebbins Jr. 1972-6-17 1499 Tehama on Mt. Tedoc. 1371 Comment
  JEPS15388  Collinsia greenei Douglas Barbe 1955-7-22 258 Tehama South Yolla Bolly (Mt. Linn); w slope, along trail to the summit, w Tehama Co. 2346 Comment
  CHSC48983  Collinsia rattanii Vernon Oswald 1986-5-23 2038 Tehama Round Valley Rd. (M4) 0.2 mi e of 23N21. 1463 Comment
  CHSC90904  Collinsia rattanii Niall McCarten; Roxanne Bittman 1986-6-15 5436 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid,' S side Rd. 25N29. 2011 Comment
  CHSC102335  Collinsia sparsiflora L. P. Janeway 2009-4-4 9722 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
  CHSC70909  Collinsia sparsiflora var. collina Vernon H. Oswald; Lowell Ahart 1998-4-27 8963 Tehama Cannon Rd. 1.1 mi west of its junction with Hwy. 36 west of Red Bluff. 256 Comment
  CHSC88851  Collinsia sparsiflora var. collina A. Peterson 2003-4-17 39 Tehama Tehama Wildlife Area. Couple miles south of Paynes Creek. Oak Creek Rd. UTM: 593570E 4462115N. 646 Comment
  JEPS18884  Collinsia sparsiflora var. collina Rimo Bacigalupi with F. Chisaki and G. T. Robbins 1956-4-18 5595 Tehama 13 mi w Red Bluff (along Lowrey-Red Bluff road) 152 Comment
  UC726392  Collinsia tinctoria A. A. Heller 1937-7-21 15933 Tehama near the Deer Creek Crossing e of Romo ( on the Deer Creek Road); Deer Creek Road Comment
  UCD80774  Collinsia tinctoria CNPS SN Foothill Team 2005-6-22 SNNR 0383 Tehama USFS, Lassen National Forest. 498 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
  RSA505369  Collinsia torreyi var. latifolia R. C. Bacigalupi, G. Thomas Robbins, Keith Wagnon, G. D. Barbe 1955-7-16 5319 Tehama On eastern shoulder of South Yollo Bolly Mtn. (Mt. Linn summit), +/- 1 mi. e. of summit and +/- 500 ft. in alt. below it. 2287 Comment
  JEPS28756  Collinsia torreyi var. wrightii George W. Gillett 1957-8-13 1050 Tehama Brokeoff Mtn trail, along first 1/4 mi above hwy Lassen Volcanic National Park 2026 Comment
  CHSC90428  Collomia grandiflora Niall McCarten; Roxanne Bittman 1986-6-14 5327 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 0.25 mi. W of jct. Rd. 25N41 and 25N32. 1524 Comment
  CHSC115772  Collomia tinctoria Lowell Ahart; John Dittes 2015-8-5 20471 Tehama East side 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
  CHSC90908  Collomia tinctoria Niall McCarten; Roxanne Bittman 1986-6-15 5461 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid,' S side Rd. 25N29. 2011 Comment
  JEPS71066  Collomia tinctoria Jos. Grinnell 1925-6-27 Tehama Mineral 1463 Comment
  UC1198121  Comandra Charlotte M. Wilder 1912-6-18 1891 Tehama Deer Creek Comment
  CDA22399  Comandra umbellata subsp. californica L. Ahart, Vernon Oswald 2001-5-7 10013 Tehama Forest Road 26N15, 4.9 miles west of Highway 32, between Soda Springs and Cohasset Ridge. Comment
  SEINET11844253  Conyza canadensis Unknown 1982-1 850 Tehama The Nature Conservancy Vina Plains Preserve 66 Comment
  OBI83050  Cordylanthus tenuis subsp. tenuis Robert L. Johnson, Mikel R. Stevens 2015-7-10 3949 a 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. 1335 Comment
  HSC70006  Cordylanthus tenuis subsp. viscidus Thomas W. Nelson, Jane P. Nelson 1978-7-22 4449 Tehama Along road to Handy Camp Gulch, 0.25 mi. E of Wells Creek 1372 Comment
  JEPS101504  Cordylanthus tenuis subsp. viscidus Dean W. Taylor 1997-6-10 16049 Tehama Pine Creek, ca. 8 miles west of Cottonwood; along Benson Road 182 Comment
  JEPS124073  Cordylanthus tenuis subsp. viscidus Lowell Ahart, John Dittes 2015-8-5 20496 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
  HSC74943  Cornus sericea subsp. sericea J. P. Smith, Thomas W. Nelson 1979-6-24 10166 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1311 Comment
  SBBG50833  Cornus sericea subsp. sericea J. M. Tucker, L. K. Mann 1962-7-29 3638 Tehama 0.75 mi N of Ovenlid, S Yolla Bolly Mtn, ca. 3 mi E of the summit 1981 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
  UC176017  Cornus sessilis Edward and Marguerite Hyatt Jul 30 1914-Aug 20 1914 319 Tehama Deer Creek Comment
  UC412941  Cornus sessilis Mrs. C. M. Wilder 1912-6-18 Tehama at Wilson's Cove (edge of Deer Creek); , Deer Creek 762 Comment
  SEINET8768164  Corydalis caseana H. M. Hall, E. B. Babcock 1903-7-1 4291 Tehama Mill Creek Canyon, near Morgan. Comment
  CHSC105931  Crassula aquatica Lowell Ahart; John Dittes 2010-7-17 16846 Tehama On the bare strand of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 812 Comment
  CHSC79719  Crassula aquatica L. P. Janeway; B. Castro 2000-4-5 6658 Tehama Vicinity of Rice Creek, west of Hwy I-5. 109 Comment
  JEPS122120  Crassula aquatica Lowell Ahart 2014-5-8 19445 Tehama On the south side of the paved road to Berris Creek, about 0.4 mile east of the intersection with Black Butte Road, about 12 1/2 miles (air) southwest of Corning. Comment
  JEPS88336  Crassula aquatica Vernon H. Oswald and Lowell Ahart 1996-4-15 7362 Tehama n.w. Corning (CDFG parcel on s. side of Gyle Rd., on s. side of intermittent stream ca. 0.1 mi. e. of the lane); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 103 Comment
  JEPS97497  Crassula connata Vernon H. Oswald and L. Ahart 1995-4-10 6615 Tehama Dales Station on Hwy. 36; ; T29N R2W SW1/4 NW1/4 Sec. 35, 680 ft, Cascade Range Foothills, basalt substrate. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 207 Comment
  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
  CHSC40726  Crassula tillaea Pauleen Broyles 1983-4-16 903 Tehama Adjacent to Sheep Camp Ditch, wnw of barn in s pasture. The Nature Conservancy Vina Plains Preserve. 62 Comment
  RSA123577  Crepis monticola Douglas Barbe 1955-7-16 187 Tehama East ridge leading to the summit of South Yolla Bolly (Mt. Linn), near the summit 2409 Comment
  JEPS15405  Crepis occidentalis Douglas Barbe 1955-7-16 193 Tehama South Yolla Bolly (Mt. Linn); near summit 2407 Comment
  CHSC64942  Crepis pleurocarpa Vernon H. Oswald; Lowell Ahart 1995-7-12 7027 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
  CHSC14117  Croton setiger F. T. Griggs 1973-8-7 Tehama 16 miles n of Chico. 200 meters s of Lassen Road 1/4 mile e of Hwy. 99E. At the bottom of an ephemeral pond. Comment
  CHSC64911  Croton setiger Vernon H. Oswald; Lowell Ahart 1995-6-13 6852 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. (Collected near Pool 20). 213 Comment
  UCD104415  Croton setiger Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6866 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  UCR257987  Croton setiger Ellen Dean, M. Starbuck, DHS Madrigals 2010-8-29 6866 Tehama Northern Sierra Nevada Mtns., western edge of Lake Almanor off Hwy 89 1372 Comment
  CHSC78899  Crucianella angustifolia Julie Cunningham; Heidi West, Natalie Wight 1998-6-25 Tehama Vicinity of South Fork Cottonwood Creek, Dippingvat Flat and Cooks Flat. 335 Comment
  CHSC84295  Crucianella angustifolia Lowell Ahart; John Dittes 2003-6-11 10257 Tehama On the west side of Battle Creek, about 1 mile north of Manton Road, about 1 1/2 miles (air) northeast of the Colman Power House, about 5 miles (air) west-southwest of Darah Springs State Fish Hatchery, about 10 miles (air) east-northeast of Cottonwood. 153 Comment
  CHSC86560  Crucianella angustifolia Jenny Marr; Heidi West, Joyce Lacey-Rickert 1998-5-21 Tehama Vicinity of South Fork Cottonwood Creek and Cooks Flat. 365 Comment
  RSA757947  Crypsis alopecuroides Barbara Ertter, Elizabeth Neese, Laura Fujii, Dawn Espindola 1989-10-21 8891 Tehama South side of northwest arm of Black Butte Lake west of Orland. 152 Comment
  UC1950065  Crypsis alopecuroides Barbara Ertter with Elizabeth Neese, Laura Fujii, Dawn Espindola 1989-10-21 8891 Tehama S side of NW arm of Black Butte Lake W of Orland Comment
  CHSC83078  Crypsis schoenoides Lowell Ahart 2002-11-5 10020 A 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
  HSC93245  Crypsis schoenoides Vernon H. Oswald, L. Ahart 1996-9-4 8263 Tehama Cascade Range Foothills, BLM parcel along Hwy. 36 NE of Red Bluff, along Paynes Creek ca. 1 mi. upstream from the old bridge site 131 Comment
  JEPS88394  Crypsis schoenoides Vernon H. Oswald and Lowell Ahart 1996-9-4 8263 Tehama BLM parcel along Hwy 36 ne of Red Bluff (along Paynes Creek 1 mi upstream from old bridge site, Cascade Range Foothills, Hog Lake Plateau); Hog Lake Plateau, Cascade Range Foothills, Paynes Creek 131 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
  CHSC83080  Crypsis vaginiflora Lowell Ahart 2002-11-5 10019 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
  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
  UC703114  Cryptantha affinis Alice Eastwood and John Thomas Howell 1941-7-9 9758 Tehama between Log Spring and Government Flat; Log Spring Ridge Comment
  UC1442622  Cryptantha crinita Lowell Ahart 1979-4-25 Tehama 5 mi n Red Bluff (along Dibble Creek, near road sign that reads McCory Road and Matlock LP <note inside packet, From the map this sign seems to be giving wrong info>); Dibble Creek 130 Comment
  UCD57959  Cryptantha crinita Cathy Little 2007-5-18 s.n. Tehama Singer Creek. Ca. 100 m S of Lassen Road Bridge. 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
  CHSC78621  Cryptantha flaccida Julie Cunningham; Natalie Wight, Joyce Lacey 1998-4-28 Tehama Vicinity of North Fork Stony Creek, Round Valley Road, and Newville Road (Garland Road). 274 Comment
  CHSC84655  Cryptantha flaccida Samantha Mackey Hillaire; Brian Elliott 2003-5-31 343 Tehama Lassen National Forest, Ishi Wilderness. Along Rancheria Creek Trail, on a S-facing slope. 902 Comment
  CHSC78622  Cryptantha hispidula L. P. Janeway; B. Castro 2000-6-11 6794 Tehama Inner North Coast Ranges. Near top of Raglin Ridge about 0.6 km west of Pepperwood Spring; along Raglin Ridge Road. 945 Comment
  CHSC80615  Cryptantha hispidula Lowell Ahart 2001-6-8 8764 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  UC1299422  Cryptantha hispidula Freed W. Hoffman 1950-7-3 3768 Tehama 34.2 mi w Red Bluff (Colyear Springs-Red Bluff road); North Coast Ranges 941 Comment
  CHSC47982  Cryptantha intermedia Vernon Oswald 1988-5-12 3307 Tehama M2 (23N01) 5.7 mi (odometer) w of Paskenta. 512 Comment
  CHSC66478  Cryptantha intermedia Vernon H. Oswald; Lowell Ahart 1996-5-20 7598 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. Growing in a flood channel along Paynes Creek. 158 Comment
  CHSC88506  Cryptantha intermedia Jenny Marr; Caroline Warren 1999-4-28 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. On gravel bar in the creek. 289 Comment
  JEPS105903  Cryptantha intermedia Lowell Ahart, John Dittes, Josephine Guardino 2004-4-15 10747 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
  JEPS67654  Cryptantha intermedia W. L. Jepson 1932-5-9 16317 Tehama Paskenta 304 Comment
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Jul 1 2009
  RSA113943  Cryptantha intermedia H. K. Sharsmith 1954-6-24 4342 Tehama Tehama County: SW ridge leading to Eagle Peak, 1 mile below summit, Mendocino National Forest. 1067 Comment
  RSA90793  Cryptantha intermedia M. S. Baker 1953-5-9 12579 Tehama Logging road west of Paskenta near 6 mile post. Comment
  CHSC82318  Cryptantha microstachys Lowell Ahart 2002-4-27 9548 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
  JEPS90319  Cryptantha milobakeri Dean William Taylor 1972-6-17 1495 Tehama on Tedoc Mountain, along Wells Creek Wells Creek; Tedoc Mountain, Wells Creek 822 Comment
  CHSC58023  Cryptantha rostellata Vernon H. Oswald; Lowell Ahart 1992-4-21 4919 Tehama 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, ca. 4.75 mi (air) SSE of Paynes Creek. 762 Comment
  CHSC85310  Cryptantha torreyana John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 795 Tehama High North Coast Range; Yolla Bolly-Middle Eel Wilderness; South Yolla Bolly Mountains; north slope of Mt. Linn; north edge of Square Lake. 2135 Comment
  HSC74946  Cryptantha torreyana J. P. Smith, Thomas W. Nelson 1979-6-23 10163 Tehama Shasta-Trinity National Forest, Tedoc Gap 1373 Comment
  JEPS112686  Cryptantha torreyana Dean W. Taylor 1997-7-24 16147 Tehama Tomhead Mountain; Yolla Bolly Mtns. 1996 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
  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
  JEPS110398  Cuscuta californica var. breviflora Lowell Ahart 2006-8-15 13199 Tehama East of Colby Creek, west of the poor dirt road, about 3/4 mile northwest of the Snowmobile Area, about 1 1/4 miles (air) northwest of Jonesville, about 4 3/4 miles (air) northeast of Butte Meadows 1503 Comment
  CHSC66562  Cuscuta howelliana Vernon H. Oswald; Lowell Ahart 1996-7-8 7978 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the NE side of Hog Lake. 265 Comment
  CHSC66097  Cynodon dactylon Vernon H. Oswald; Lowell Ahart 1996-5-27 7638 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On the bed of the creek ca. 0.2 mi E of the W boundary of the reserve. 102 Comment
  HSC9503  Cynodon dactylon Larry Berti 1968-11-26 Tehama Red Bluff Comment
  HSC9514  Cynodon dactylon L. T. Gault 1964-3-27 35 Tehama Los Molinos South Center Street Comment
  RSA123572  Cynoglossum occidentale G. D. Barbe 1955-7-22 249 Tehama About 1/8 milewest of Square Lake along the trail to Long Lake. 2104 Comment
  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
  CHSC87824  Cynosurus echinatus Lowell Ahart 2004-6-11 11039 Tehama On the west margin of Dead Rabbit Lake, about 100 yards west of the Nomalaki Trail, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 545 Comment
  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
  CHSC40799  Cyperus eragrostis Pauleen Broyles 1982-5-24 657 Tehama The Nature Conservancy Vina Plains Preserve. Irrigation ditch in e pasture, .5 km south of Lassen Road. 66 Comment
  CHSC77623  Cyperus eragrostis Heidi West; Natalie Wight 1998-8-21 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 268 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
  HSC37461  Cyperus eragrostis J. D. Ackerman, A. Montalvo 1975-7-16 552 Tehama 3 mi. E of Trinity Co. line on Hwy. 36 Comment
  RSA0035325  Cyperus erythrorhizos Lowell Ahart, John Dittes 2010-10-4 17288 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
  RSA0119055  Cyperus erythrorhizos Lowell Ahart 2013-9-17 19046 Tehama Silt on high area below the high water line of Black Butte Reservoir, about 1/2 miles southwest of the Dam, about 12 miles (air) northwest of Orland. 136 Comment
  CHSC117724  Cyperus esculentus var. leptostachyus Lowell Ahart; John Dittes 2016-8-25 21314 Tehama Low wet depression along a dirt road, about 100 yards west of the Sacramento River, Anderson River Park, 0.7 miles (air) upstream from Stillwater Creek Confluence 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  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
  CDA38896  Cyperus strigosus L. Ahart, John Dittes 2003-9-17 10596 Tehama On the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. Comment
  UC1949088  Cystopteris fragilis Barbara Ertter with Brad Olson 1991-7-6 10433 Tehama Cold Spring Creek ca 1/2 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning; 0.4 mi from Ball Rock Rd on road to Rocky Cabin Comment
  RSA123787  Cystopteris fragilis Milo S. Baker, H. K. Wagnon 1955-7-22 246 Tehama Harding Spring on the trail to Square Lake. 2073 Comment
  UCD138007  Damasonium californicum Robert E. Preston 1997-5-29 1032 Tehama around 5 miles northeast of Red Bluff at Hog Lake. 263 Comment
  SEINET3926754  Danthonia californica var. americana Rimo C. Bacigalupi, G. T. Robbins; K. Wagnon; D. Barbe 1955-7-16 5308 Tehama Near Somerset, about 1 miles south of Ovenlid (butte), Mendocino National Forest.; 0 1768 Comment
  UC1025130  Danthonia californica var. americana Douglas Barbe 1955-7-16 163 Tehama sw slope of ridge leading to Ovenlid; Somerset 1767 Comment
  RSA123781  Danthonia californica var. californica G. D. Barbe 1955-7-16 163 Tehama At Somerset on the SW slope of the ridge leading to Oven Lid. 1768 Comment
  UCD61356  Danthonia unispicata Beecher Crampton 1954-6-16 1999 Tehama Whitlock Camp-Round Mountain area, west of Paskenta. 1219 Comment
  SEINET4344387 Image available Danthonia unispicata Barbara Ertter, Brad Olson 1991-7-4 10215 Tehama Toomes Camp Rd. (Mendocino FR 23N01) 12.5 mi W of Paskenta, 0.1 mi E of Elder Cr /Riley Ridge jct, ca 25 airmiles W of Corning; vernally wet opening in chaparral with scattered pines, on serpentinite. 1097 Comment
  CHSC2437  Darmera peltata R. Carter 1965-5-15 204 Tehama Found at Deer Creek falls on NW side of river, off Hwy. 32, 9.6 mi. N of intersection with Scout Rd. 1219 Comment
  CHSC87809  Datisca glomerata Lowell Ahart 2004-6-11 11044 Tehama On the south edge of Thomes Creek, west of the end of the Nomalaki Trail, about 1/2 mile north of Dead Rabbit Lake, about 2 miles northwest of Bowers Creek, about 2 3/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 338 Comment
  UC1949096  Datisca glomerata Barbara Ertter with Brad Olson 1991-7-5 10303 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
  UCSB63852  Daucus pusillus Oswald, Vernon; Ahart, Lowell 1996-5-20 Tehama BLM parcel along Hwy. 36 NE of Red Bluff in Tehama Co.; T28N R2W SE1/4 NE 1/4 Sect. 8; Cascade Range Foothills; near Hwy.36 201 Comment
  SEINET4399750  Delphinium Leila M. Shultz 1990-5-5 11329 Tehama North Coast Ranges; Mendocino Forest 305 Comment
  UC1001299  Delphinium antoninum Louise Kellogg 1952-7-12 24 Tehama South Yolla Bolly Mountain North Coast Ranges, Mendocino Nat. Forest, Middle Eel-Yolla 2438 Comment
  CAS-BOT-BC9045  Delphinium decorum subsp. tracyi Milo S. Baker 1953-6-12 12858 Tehama West of Paskenta, 5.1 mi. above Whittock Camp on County Road 1676 Comment
  RSA93140  Delphinium decorum subsp. tracyi Milo S. Baker 1953-7-12 12858 Tehama Country road: 5.1 miles above Whitle Camp in forest. Comment
  SEINET5338024  Delphinium hansenii B. Blincoe 1961-4-29 s.n. Tehama 25 miles east of Red Bluff. 914 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
  CAS-BOT-BC10069  Delphinium hesperium subsp. pallescens Philip Alexander Munz 1949-5-14 13193 Tehama 5 miles north of Red Bluff 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
  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
  CAS-BOT-BC116048  Delphinium nuttallianum F. J. Hermann 1931-7-6 2543 Tehama Rocky bank of highway, 1 mile S. of Park Entrance 1950 Comment
  RSA647853  Delphinium nuttallianum James Buel 1957-6-30 137 Tehama Turner Mt. Trail, Lassen National Forest Comment
  CDA24262  Delphinium patens subsp. patens Vernon H. Oswald & Lowell Ahart 1998-4-27 8962 Tehama Cannon Road 1.1 miles west of its junction with Highway 36 west of Red Bluff. 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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Jul 16 2009
  CHSC88933  Delphinium variegatum subsp. variegatum Pat Sater 2001-4-8 Tehama Tehama Wildlife Area. 220 yds south of Rock Wall on Powerline Road. UTM: 10 0591836 E, 4446539 N. 587 Comment
  HSC74961  Deschampsia danthonioides J. P. Smith, Thomas W. Nelson 1979-6-24 10188 Tehama Rd. to Stuart Gap, 0.8 mi. from Tedoc Gap. 1372 Comment
  UCD63531  Deschampsia elongata A. A. Beetle 1941-6-27 2752 Tehama 1 mile south of junction of Rt. 32 and 36, 13 miles west of Chester. 1524 Comment
  CHSC68811  Descurainia incana Vernon Oswald; Lowell Ahart 1997-6-10 8559 Tehama Between Paskenta and Covelo on M2 (23N69) 0.1 mi north of its junction with the road to Wells Cabin Campground (24N02). Edge of meadow. 1821 Comment
  SD211570  Descurainia incisa subsp. incisa Barbara Ertter, Brad Olson 1991-7-6 10426 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
  CHSC90895  Dicentra formosa Niall McCarten; Roxanne Bittman 1986-6-15 5456 Tehama Mendocino National Forest; North Coast Ranges; Thomes Creek Watershed. 'Ovenlid,' S side Rd. 25N29. 2011 Comment
  UC2042819  Dicentra formosa Barbara Ertter 1990-5-13 8953 Tehama 0.3 mi S of Mineral on Highway 172 to Mill reek, at edge of Battle Creek Meadows. Comment
  UCD95521  Dicentra formosa S. P. Lynch 1973-6-9 290 Tehama Wells Creek Campground on road to Handy Chrip Camp behind Tedoc Mountains. Comment
  RSA433583  Dicentra formosa subsp. formosa Bonnie C. Templeton 1960-6-14 8501 Tehama 2 miles west of Mineral Comment
  UCR123334  Dicentra pauciflora George K. Helmkamp, Elizabeth Helmkamp 2001-7-7 6892 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
  JEPS16229  Dicentra uniflora Joseph Grinnell with Mary E. Grinnell 1927-5-16 Tehama woods at edge Battle Creek Meadow 1463 Comment
  JEPS64184  Dichelostemma capitatum Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo Road) Comment
  CHSC4253  Dichelostemma capitatum subsp. capitatum D. F. Johnson 1967-3-9 17 Tehama Ca. 100 yds. North of Johnson Rd. ca. 10 mi. west of Red Bluff. 170 Comment
  CHSC9288  Dichelostemma multiflorum D. C. Burns 1971-4-6 127 Tehama Abundant along Lassen rd., 5 yds. N of rd. and ca. 3.3 mi w of the intersection of Meridian rd and Lassen rd. 76 Comment
  SEINET3885609  Dichelostemma multiflorum Daphne K. Christopher, Lowell Ahart; John Dittes; Hannah I. Stevens 2003-4-17 189 Tehama Dye Creek Nature Conservancy Preserve. Antelope Creek trail.; 0 767 Comment
  RSA178638  Dichelostemma multiflorum A. A. Heller 1927-5-8 14368 Tehama Near Vina. Comment
  CAS-BOT-BC502807  Dichelostemma volubile R. F. Hoover 1939-5-11 4103 Tehama Foothills above Paskenta on road to Covelo Comment
  CHSC30002  Diplacus kelloggii John Griffith 1980-4-23 36 Tehama Ponderosa Way 1.8 mi n of Deer Creek. 658 Comment
  CHSC101398  Diplacus layneae David Isle 1992-5-24 1570 Tehama 9.5 miles above Paskenta Store; north of M-2 (23NO1.3); abt 0.35 miles above Mendocino National Forest boundary. 877 Comment
  SEINET8370226  Diplacus layneae Christine C. Lorain 1994-7-3 255 Tehama Hat Creek Campground entrance, ca. 2 mi NE of Old Station P.O. along Hwy 89; Lassen National Forest. Comment
  CHSC32161  Diplacus nanus James D. Jokerst. 1980-8-22 1106 Tehama North Coast Ranges. Near Mt. Linn. Comment
  CHSC57245  Diplacus torreyi David M. Thompson 1986-6-27 553 Tehama Hwy 36 at Plumas Co. line. 1493 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
  JEPS94497  Disporum hookeri Vernon Oswald and Lowell Ahart 1997-7-7 8698 Tehama Forest Route 35 at Cedar Creek near the ne corner of the Yolla Bolly Middle Eel Wilderness Cedar Creek; Yolla Bolly Middle Eel Wilderness, Cedar Creek 1066 Comment
  CHSC115815  Dodecatheon alpinum Lowell Ahart; John Dittes 2015-8-6 20507 Tehama About 100 yards east of the spring, east of the camping area, west side of Child's Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  HSC2097  Dodecatheon clevelandii subsp. patulum Larry Berti 1969-3-15 19 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, 3 mi. upstream from dam 213 Comment
  JEPS9533  Dodecatheon hendersonii Jos. Grinnell 1927-5-14 Tehama Mineral 1463 Comment
  RSA21501  Dodecatheon hendersonii Carl B. Wolf 1937-5-15 8683 Tehama 1.7 mi. above mud flat on Paskenta-Covelo Rd. 969 Comment
  UCD119025  Dodecatheon jeffreyi J. M. Tucker 1959-7-19 3574 Tehama Upper (south) side of Square Lake, north side of South Yolla Bolly Mountain. 2118 Comment
  SEINET12332641  Dopatrium junceum Unknown 1982-1 809 Tehama The Nature Conservancy Vina Plains Preserve, ca 100 m S of Lassen Rd 66 Comment
  JEPS76640  Downingia bacigalupii L. R. Heckard 1972-6-18 2985 Tehama sw of Tedoc Mt. 1371 Comment
  CHSC79978  Downingia bicornuta var. bicornuta B. Castro; L. P. Janeway 2000-5-11 1170 Tehama Vicinity of Orland and Black Butte Lake. 88 Comment
  CHSC70876  Downingia cuspidata Vernon Oswald; Lowell Ahart 1998-4-27 8977 Tehama Vestal Rd. 4.9 mi w of its junction with Cannon, Pettyjohn, and Reeds Creek roads, west of Red Bluff and south of Hwy. 36. 292 Comment
  JEPS16186  Downingia cuspidata Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3134 Tehama 8 mi ne Flourney (along Paskenta Road, w Tehama County) Comment
  JEPS97250  Downingia cuspidata Vernon H. Oswald and L. Ahart 1995-4-17 6648 Tehama T29N R2W SW1/4 SW1/4 Sec. 26, 700 ft, Cascade Range Foothills. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Between Dales Lake and the w boundary of the reserve 213 Comment
  UC1586623  Downingia cuspidata Vernon H. Oswald and Lowell Ahart 1991-5-9 4559 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
  UCD80191  Downingia cuspidata CNPS SN Foothill Team 2005-5-10 SNFN 0237 Tehama BLM Hog Lake/Paynes Creek, Hog Lake Platea, west of Hog Lake. 263 Comment
  HSC59042  Downingia ornatissima Thomas Wood 1979-4-28 142 Tehama Along Leninger Rd., E of Vina. 73 Comment
  SEINET12334037  Downingia ornatissima Unknown 1986-1 960 Tehama T24N, R1W, NW-1/4 of Sec. 29. Along fence 50 m W of telephone line 66 Comment
  CHSC66011  Downingia ornatissima var. ornatissima Vernon H. Oswald; Lowell Ahart 1996-4-29 7466 Tehama Thomas Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley. Near the W boundary. 103 Comment
  UCD123999  Drosera rotundifolia Barry Rice 2011-8-21 BR 110810 Tehama no exact location. 1580 Comment
  UCD124003  Drosera rotundifolia Barry Rice 2011-8-29 BR 110813 Tehama Along Colby Creek. Downstream populations extend into Butte County. 1520 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
  CHSC78974  Dysphania ambrosioides Vernon H. Oswald 2000-10-14 9980 Tehama Black Butte Rd. 0.5 mi south of County Rd A9 (Corning-Paskenta Rd). 109 Comment
  CHSC107262  Dysphania botrys Lowell Ahart; John Dittes 2011-6-9 17472 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
  HSC93240  Dysphania chilensis Vernon H. Oswald, L. Ahart 1996-9-4 8261 Tehama BLM Parcel along Hwy. 36 NE of Red Bluff, Cascade Range Foothills, Paynes Creek, 1 mi. upstream from the old bridge site 131 Comment
  CHSC84579  Dysphania pumilio Lowell Ahart; John Dittes 2003-9-17 10575 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
  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
  CHSC41046  Echinochloa colona Pauleen Broyles 1982-7-20 802 Tehama The Nature Conservancy Vina Plains Preserve. Bank of holding dam on irrigation ditch in e pasture. 66 Comment
  JEPS117354  Elatine brachysperma Lowell Ahart, John Dittes 2010-7-17 16845 Tehama Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 812 Comment
  CHSC115556  Eleocharis acicularis var. acicularis Lowell Ahart; John Dittes, Josephine Guardino, Steve Green 2015-7-31 20411 Tehama Northwest strand of Wilson Lake, east of County Road 769, 2.05 air-miles north-northeast of Gurnsey Creek Compground, 10.74 air-miles south-southeast of Lassen Peak. 1606 Comment
  CHSC102630  Eleocharis acicularis var. bella Lowell Ahart; Josephine Guardino 2009-9-6 16365 Tehama East of the enclosure, meadow, 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
  CHSC94331  Eleocharis bella Lowell Ahart 2006-7-19 13048 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
  UCD104371  Eleocharis bella Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6850 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  JEPS104428  Eleocharis flavescens var. flavescens Lowell Ahart 2003-9-17 10600 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
  JEPS64129  Eleocharis macrostachya W. L. Jepson 1938-6-10 18980 Tehama 6 mi S of Red Bluff (Coyote Creek) 91 Comment
  CDA16174  Eleocharis quadrangulata G. F. Hrusa, J. Hart 1999-4-29 15027 Tehama Sacramento Valley; Coyote Creek Conservation Area, S of Red Bluff. 152 Comment
  SEINET7587176 Image available Eleocharis suksdorfiana Lowell Ahart, John Dittes, Josephine Dittes 2003-8-23 10533 Tehama About 50 yards east of Square Lake, about 3/4 mile northeast of Mount Linn, South Yolla Bolly. 2113 Comment
  UCD80543  Elymus CNPS SN Foothill Team 2005-7-1 SNNR 0492 b Tehama USFS Lassen National Forest, ca.1/4 mile south of Lassen Trail trailhead. 1171 Comment
  CHSC41070  Elymus caput-medusae Pauleen Broyles 1982-5-28 843 Tehama The Nature Conservancy Vina Plains Preserve. Near barn. 60 Comment
  UC1949118  Elymus caput-medusae Barbara Ertter with Brad Olson 1991-7-4 10268 Tehama Toomes Camp / Ball Rock Rd 16.1 mi W of Paskenta 2 mi SE of Kingsley Glade/Maxin jct ca 28 airmiles W of Corning; SW-facing meadow Comment
  CAS-BOT-BC227933  Elymus elymoides George W. Gillett 1957-8-18 1099 Tehama Lassen Volcanic National Park. Lower portion of Brokeoff Mtn. trail, from Sulphur Works checking station 2103 Comment
  JEPS102401  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
  UC1107307  Elymus elymoides subsp. elymoides J. M. Tucker and L. K. Mann 1959-7-19 3543 Tehama South Yolla Bolly Mountain; at summit 2465 Comment
  CHSC88536  Elymus glaucus subsp. glaucus Jenny Marr; Heidi West, Caroline Warren 1998-9-24 Tehama Vicinity of Red Bank Creek and The Narrows. 243 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
  CAS-BOT-BC203732  Elymus glaucus subsp. glaucus John Thomas Howell 1960-8-18 36062 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  HSC74823  Elymus lanceolatus subsp. lanceolatus J. P. Smith, Thomas W. Nelson 1978-7-22 10011 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1372 Comment
  UCD80545  Elymus multisetus CNPS SN Foothill Team 2005-7-1 SNNR 0492 d Tehama USFS Lassen National Forest, ca.1/4 mile south of Lassen Trail trailhead. 1171 Comment
  UCD62610  Elymus stebbinsii subsp. septentrionalis August L. Hormay 1929-6-14 Tehama 1 mile West of Devils Den, Campbellville. Comment
  JEPS98977  Emmenanthe penduliflora var. penduliflora Lowell Ahart 2001-6-8 8807 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  CHSC101190  Enemion occidentale L. P. Janeway 2009-3-28 9685 Tehama Cascade Range Foothills. Tehama Wildlife Area; along the Powerline Road 0.2 km southwest of its ford across Little Grapevine Creek. North-facing slope 35 m above the creek. 468 Comment
  HSC96967  Epilobium brachycarpum L. Ahart 2006-7-25 13075 Tehama About 20 yds. E of where the dirt road crosses Colby Creek, 2 mi. SE of Colby Mtn., 5 mi. NE of Butte Meadows 1519 Comment
  JEPS108868  Epilobium brachycarpum Lowell Ahart 2006-7-26 13075 Tehama On the west edge of the dirt road, about 20 yards east of where the dirt road crosses Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 mile (air) northeast of Butte Meadows 1518 Comment
  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
  CAS-BOT-BC166838  Epilobium canum subsp. latifolium Milo S. Baker 1940-8-15 9852 Tehama Rocky summit between Mendocino & Tehama Cos. near Anthony Lookout Station Comment
  CHSC105495  Epilobium ciliatum subsp. ciliatum Lowell Ahart; John Dittes 2010-7-17 16858 Tehama On damp red soil, at the high water line of the pond, dam on the west side of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 812 Comment
  CHSC88238  Epilobium ciliatum subsp. ciliatum Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11199 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  CHSC88288  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
  JEPS105920  Epilobium ciliatum subsp. ciliatum Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11199 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff 655 Comment
  RSA699607  Epilobium ciliatum subsp. ciliatum L. Ahart 2004-6-28 11128 Tehama South side of Thomes Creek, about 0.25 mile east of Paskenta. 214 Comment
  CHSC94301  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
  CHSC105930  Epilobium densiflorum Lowell Ahart 2010-7-17 16882 Tehama On the south 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
  CHSC109231  Epilobium densiflorum Robert Fischer 2012-6-3 1062 Tehama Northern Sacramento Valley, north of Chico, within the southernmost portion of Tehama County, off of Hwy 99 and 0.4 miles west on Haille Road. Vina Plains Preserve, Wurlizer Unit. 56 Comment
  RSA795522  Epilobium densiflorum L. P. Janeway 2010-9-12 10214 Tehama High North Coast Ranges. SSE sloping glade on Oak Ridge, below Road M4 3.5 air km west of Log Spring Station. 1524 Comment
  UCD80481  Epilobium densiflorum CNPS SN Foothill Team 2005-6-13 SNFN 0378 b Tehama CDFG, Tehama Wildlife Area, about 100 meters northwest of Plum Creek Road, about a quarter of a mile past the junction of Plum Creek Road and High Trestle Road. 829 Comment
  JEPS95751  Epilobium foliosum Vernon H. Oswald and L. Ahart 1995-6-13 6866 Tehama T29N R2W NW1/4 SW1/4 Sec. 26, 720 ft. 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
  CHSC64978  Epilobium minutum Vernon H. Oswald; Lowell Ahart 1995-7-12 7037 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
  CHSC107358  Epilobium torreyi Lowell Ahart; John Dittes 2011-6-9 17444 Tehama Rio De Los Molinos Land Grant. 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
  CHSC109230  Epilobium torreyi Robert Fischer 2012-5-20 1063 Tehama Northern Sacramento Valley, north of Chico, within the southernmost portion of Tehama County, off of Hwy 99 and 0.4 miles west on Haille Road. Vina Plains Preserve, Wurlizer Unit. 56 Comment
  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
  CHSC96654  Epilobium torreyi Lowell Ahart 2007-5-8 13738 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
  JEPS115394  Epilobium torreyi Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16318 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
  UCD147036  Epipactis gigantea Robert E. Preston 2012-6-18 2878 Tehama 6.9 mi SW of Paskenta, along Round Valley Rd, 1.1 mi W of Salt Creek Saddle. 554 Comment
  CAS-BOT-BC56969  Equisetum arvense John Thomas Howell 1960-8-18 36053 Tehama Bluff Falls 1981 Comment
  CHSC25751  Equisetum arvense John Steiner 1977-6-9 68 Tehama 1.1 km n Battle Creek and 1.5 km e Martin Creek. 1489 Comment
  CHSC100285  Equisetum hyemale subsp. affine D. Isle 1989-4-20 1493 Tehama Mendocino National Forest - North Coast Ranges. Sacramento River. Red Bluff Diversion Dam area. Comment
  CHSC117725  Equisetum hyemale subsp. affine Lowell Ahart; John Dittes 2016-8-25 21308 Tehama Banks of the dirt road, about 100 yards west of the Sacramento River, Anderson River Park, 0.7 miles (air) upstream from Stillwater Creek Confluence 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  CHSC81644  Eragrostis hypnoides Vernon H. Oswald 2001-10-18 10064 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
  CDA13583  Eragrostis pectinacea var. pectinacea G. F. Hrusa 1996-8-17 13507 Tehama Sacramento Valley; Annual, occasional on outer edges of dry, gravelly creekbed of Blue Tent Creek immediately downstream from Jelly's Ferry Rd. crossing, and adjacent to Interstate 5. Comment
  CHSC107256  Eragrostis pectinacea var. pectinacea Lowell Ahart; John Dittes 2011-6-9 17445 Tehama Rio De Los Molinos Land Grant. About 100 yards south of the fence, 1.6 miles (air) east of Highway 99, 2.4 miles (air) north of Vina. In a large vernal pool, sand dune area. 80 Comment
  JEPS88135  Eremocarpus setiger Vernon H. Oswald and Lowell Ahart 1996-7-8 7955 Tehama NE of Red Bluff (bed of intermittent stream crossing the NE corner of BLM parcel along Hwy 36); Cascade Range Foothills, Hog Lake Plateau 182 Comment
  CHSC91078  Eriastrum brandegeeae D. Isle 2002-8-29 273 Tehama Mendocino National Forest--North Coast Ranges. Grindstone Creek Watershed. Near end of 23N53, on E side Rd. 23N53 1.6 mi. below jct. with M-9, also 0.3 mi. below the spring. GPS: 10S 517112E 440323N, 517056E 4406649. 1280 Comment
  CHSC92153  Eriastrum brandegeeae J. Molter 1993-7-20 767 C Tehama Along edges of Pettyjohn Rd. (Long grade). 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
  JEPS108943  Ericameria bloomeri Lowell Ahart 2006-9-9 13270 Tehama Edge of 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 1525 Comment
  CHSC32818  Ericameria linearifolia Brian H. McMurtry 1979-4-7 1 Tehama Ca. 2mi. se of Paskenta on Round Valley Rd. Comment
  CHSC85299  Ericameria nauseosa var. speciosa John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 799 Tehama High North Coast Range; Yolla Bolly-Middle Eel Wilderness; South Yolla Bolly Mountains; north slope of Mt. Linn; gravel moraine at north edge of Square Lake. 2139 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
  UC1299306  Ericameria ophitidis Freed W. Hoffman 1950-7-3 3570 Tehama about 2 mi ne White Rock Ranger Station (extreme western Tehama County); North Coast Ranges Comment
  CAS-BOT-BC293520  Erigeron annuus T. C. Fuller 1959-5-28 2496 Tehama Mill Creek, 1 mile north of Los Molinos 65 Comment
  JEPS76260  Erigeron compositus Todd Keeler-Wolf 1977-9-10 661 Tehama near summit Mt Linn; South Yolla Bolly Mountains 2459 Comment
  UC1075802  Erigeron divergens E. K. Balls and L. W. Lenz 1955-5-14 20720 Tehama 4.6 mi sw Payne's Creek (along State Hwy 36, Lake Almanor to Red Bluff); Lake Almanor, Red Bluff 487 Comment
  LA37828  Erigeron inornatus J. M. Tucker; L. K. Mann 1959-7-19 3540 Tehama South Yolla Bolly Mountain 1920 Comment
  CHSC115574  Erigeron lassenianus var. lassenianus Lowell Ahart; John Dittes 2015-8-6 20499 Tehama Northwest of the pond, in the camping area, west side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  JEPS96719  Erigeron petrophilus var. petrophilus Dean W. Taylor 1997-7-9 16128 Tehama Tomhead Mountain; Yolla Bolly Mtns. 1996 Comment
  CHSC77725  Erigeron philadelphicus B. Castro; L. P. Janeway 1999-6-24 998 Tehama About 22 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek. 330 Comment
  JEPS76662  Erigeron reductus var. angustatus L. R. Heckard 1972-6-17 2962 Tehama nw side of, along new road Tedoc Mt. 1280 Comment
  UCD67944  Eriodictyon californicum Barbara Babbe 1977-5-21 12 Tehama Mendocino Natl. Forest. 10.8 mi. W. of the junction of Round Valley Rd. and Toome Camp Rd. 914 Comment
  SEINET5495501  Eriodictyon californicum W. Priest 1956-4-27 s.n. Tehama On California HWY 36, about 25 miles east of Red Bluff 610 Comment
  CHSC79195  Eriogonum compositum var. compositum L. P. Janeway 2000-6-29 6850 Tehama High North Coast Ranges. About 1100 m east of Mt. Linn, on top of the ridge from Mt. Linn to Ides Cove Trailhead. 2300 Comment
  UC1037406  Eriogonum compositum var. compositum Douglas Barbe 1955-7-21 226 Tehama w shore of Square Lake Square Lake 2103 Comment
  CAS-BOT-BC242621  Eriogonum dasyanthemum Carl B. Wolf 1937-9-6 9295 Tehama Inner North Coast Range, Paskenta - Covelo Road 457 Comment
  CHSC77778  Eriogonum dasyanthemum B. Castro; L. P. Janeway 1999-6-24 994 Tehama About 22 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek and Long Gulch. On E-facing slope at end of small 'finger' ridge. 359 Comment
  JEPS128463  Eriogonum dasyanthemum Julie Kierstead Nelson with Aaron Sims 2015-6-19 2015 -064 Tehama West slope Tedoc Mountain, Beegum Creek watershed; Road 45 south of milepost 11. Comment
  JEPS98966  Eriogonum dasyanthemum Lowell Ahart 2001-6-8 8783 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  UC1949064  Eriogonum dasyanthemum Barbara Ertter with Brad Olson 1991-7-5 10321 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [= Stiver's Ranch], ca 15 airmiles WNW of Red Bluff Comment
  HSC74828  Eriogonum dasyanthemum J. P. Smith, Thomas W. Nelson 1978-7-22 10017 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  OBI71986  Eriogonum dasyanthemum Barbara Ertter 1991-9-2 10791 Tehama SW Tehama co. round Valley-Paskenta Rd (Rt M4) 12.2 mi W of Newville Rd cjtn, ca 9 airmiles WSW of Paskenta 1219 Comment
  SBBG61969  Eriogonum dasyanthemum unknown 1924-9-20 Tehama Corning 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
  CAS-BOT-BC259371  Eriogonum lobbii J. M. Tucker; L. K. Mann 1959-7-19 3552 Tehama Ridge top ca. 1/2 mile east of summit of South Yolla Bolly Mountain 2286 Comment
  UCD100346  Eriogonum lobbii J. M. Tucker; L. K. Mann 1959-7-19 3548 Tehama South Yolla Bolly Mountain. 2443 Comment
  CDA13585  Eriogonum luteolum var. luteolum G. F. Hrusa 1996-8-17 13509 Tehama Sacramento Valley; Blue Tent Creek. Immediately downstream from Jelly's Ferry Rd. crossing, and adjacent to Interstate 5. Comment
  CAS-BOT-BC261457  Eriogonum nudum var. nudum Alice Eastwood; John Thomas Howell 1941-7-9 9717 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  UCSB63983  Eriogonum roseum Jokerst, James; Donovan, Jeri 1981-9-30 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
  CHSC84386  Eriogonum spergulinum var. reddingianum Lowell Ahart; John Dittes, Josephine Dittes 2003-8-23 10525 Tehama About 10 yards north of Square Lake, about 3/4 mile northeast of Mount Linn, South Yolla Bolly. 2112 Comment
  UC1025125  Eriogonum spergulinum var. reddingianum Douglas Barbe 1955-7-17 207 Tehama 1 mi s on the county road Toomes Camp 1889 Comment
  RSA279677  Eriogonum strictum var. greenei James L. Reveal 1978-7-19 4787 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. 1387 Comment
  CHSC61664  Eriogonum umbellatum var. smallianum Vernon H. Oswald; Lowell Ahart 1993-9-2 5899 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2346 Comment
  JEPS87373  Eriogonum umbellatum var. smallianum Vernon H. Oswald and Lowell Ahart 1993-9-2 5899 Tehama ridge running e from Mt. Linn (ca. 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2346 Comment
  SBBG1651  Eriogonum ursinum H. and M. Dearing 1938-6-25 2127 Tehama Battle Crk Comment
  SDSU7214  Eriogonum vimineum R. M. Beauchamp 1965-7-17 Tehama Growing beside State Hwy 32. Comment
  CHSC76528  Eriogonum wrightii var. trachygonum Heidi West; Caroline Warren 1999-6-10 Tehama Vicinity of Dry Creek and Red Bank Creek. 304 Comment
  CHSC77780  Eriogonum wrightii var. trachygonum B. Castro; L. P. Janeway, J. Marr, C. Warren 1999-8-11 1026 Tehama About 22 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek. 329 Comment
  CHSC95421  Eriophyllum lanatum var. grandiflorum J. Molter 2002-6-6 CA 360 -002 Tehama Tehama County. Along Sacramento River approx. 1.2 km upriver from Perry's Riffle parking area and approx. 240 m south of the river. 121 Comment
  LA203610  Eriophyllum lanatum var. grandiflorum Lincoln Constance; 1933-7-5 E 118 Tehama 3 mi. W of Mineral Comment
  OBI76936  Eriophyllum lanatum var. grandiflorum Anthony Baniaga 2011-6-12 347 Tehama CDFG: Tehama State Wildlife Area. Near intersection of Plum Crk rd (202) and High Trestle Rd (28N23). Finley Butte quad. T28N R1E sec 9 NE of NE Comment
  RSA724808  Eriophyllum lanatum var. grandiflorum L. Ahart 2006-8-15 13196 Tehama East of Colby Creek, west of the poor dirt road, about 3/4 miles (air) northwest of the Snowmobile Area, about 1.25 air miles NW of Jonesville, about 4.75 miles (air) northeast of Butte Meadows. 1504 Comment
  JEPS75822  Eriophyllum lanatum var. lanceolatum Todd and Virginia Keeler-Wolf 1971-7-24 363 Tehama about 0.25 mi sw of North Yolla Bolly Mountain 2286 Comment
  UCD103074  Erodium botrys R. V. Parke 1954-5-15 106 Tehama Off Highway 36, ca. 10 miles east of Red Bluff. 152 Comment
  CHSC4221  Erodium brachycarpum D. F. Johnson 1967-3-9 20 Tehama Very thick on reservoir dam ca. 150 yds. north of Johnson Rd. ca 10 mi. west of Red Bluff. 170 Comment
  CHSC113331  Erodium cicutarium Lowell Ahart; John Dittes 2014-5-16 19479 Tehama On a small gravel bar, along a small drainage, along the north side of the poor dirt road, about 200 yards southwest of the lone oak tree, about 1/2 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. 99 Comment
  CHSC64545  Erodium moschatum Vernon H. Oswald; Lowell Ahart 1995-4-3 6588 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. On the slope between the two intermittent streams converging at the w boundary on the s edge of the basalt ridge crossing the nw corner of the reserve. 201 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
  CHSC42579  Eryngium articulatum Vernon Oswald 1986-6-27 2158 Tehama Long Rd. (A6) 5.8 mi ne of Dales, 2.8 mi sw of jct. Lanes Valley Rd. 304 Comment
  RSA290425  Eryngium articulatum Yusuf Sheikh 1972-6-18 539 Tehama Southwest of Tedock Mountain 1372 Comment
  CHSC113319  Eryngium castrense Lowell Ahart; John Dittes 2014-5-18 19525 Tehama Bottom of a small drainage, on the north side of the poor dirt road, about 2 miles east of the end of Lyon Cattle Road, about 4 miles (air) northeast of Los Molinos. 129 Comment
  CHSC66552  Eryngium castrense Vernon H. Oswald; Lowell Ahart 1996-7-8 7988 Tehama Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. 265 Comment
  JEPS16983  Eryngium castrense W. L. Jepson 1927-6-25 12349 Tehama Pine Creek road station Comment
  RSA90608  Erysimum capitatum Milo S. Baker, H. K. Wagnon 1953-6-21 12785 Tehama Logging road west of Paskenta. 1220 Comment
  SEINET10448340  Erysimum capitatum Mary Susan Taylor 1975-7-17 Taylor 858 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
  RSA101878  Erysimum capitatum var. perenne G. B. Rossbach, Ruth P. Rossbach 1938-7-20 891 Tehama Just N of Sulphur Works mud volcanoes, Lassen Volcanic Nat. Park. Comment
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Jul 19 2013
  CHSC65350  Erythranthe breweri Lowell Ahart 1995-10-3 7659 Tehama Along Willow Creek, about 1 3/4 miles (air) north-east of Jonesville, about 6 1/2 miles (air) north-east of Butte Meadows. 1645 Comment
  SJSU5851  Erythranthe floribunda D. L. Wilson 1970-4-19 Tehama Antelope Cr near Belle Mill Rd c. 20 mi E of Red Bluff Comment
  CHSC32877  Erythranthe guttata Louis Heinrich 1980-4-19 5 Tehama S side of Battle Creek, .7 mi e of Jerry's Ferry Rd. 106 Comment
  CHSC32871  Erythranthe microphylla Thomes Chastain 1980-4-7 12 Tehama On n bank of Thomes Creek 2 km e of Paskenta and 34 km w of Corning. 213 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
  SEINET8380170  Erythranthe nasuta A. A. Heller 1914-4-29 11339 Tehama eight miles south of Vina, edge of Pine creek. Comment
  CHSC94362  Erythranthe primuloides Lowell Ahart 2006-7-19 13024 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-BC502690  Erythronium californicum Elmer I. Applegate 1930-4-16 6115 Tehama Between Mud Flat and Bennett Spring, southwest corner of Tehama County. Comment
  HSC66097  Erythronium californicum S. Horner 1979-4-19 479 Tehama SW of Saddle Camp 991 Comment
  JEPS118189  Erythronium purpurascens Dean W. Taylor 2004-5-26 19073 Tehama Turner Mountain, Forest Road 29N48 0.3 mi S of crossing of Antelope Creek (ca. 5 air miles SSW of Mineral) 1676 Comment
  CAS-BOT-BC504363  Erythronium purpurascens John Thomas Howell 1961-6-20 36575 Tehama Sulphur Works entrance station, Lassen Volcanic National Park 2011 Comment
  SEINET4535579  Eschscholzia Leila M. Shultz 1990-5-3 11320 Tehama North Coast Ranges, Mendocino Forest 305 Comment
  LA206221  Eschscholzia caespitosa Carl B. Wolf; 1937-5-16 8701 Tehama Red Bluff - Susanville Road, 2.3 mi. below Paynes Creek P. O 365 Comment
  RSA21515  Eschscholzia caespitosa subsp. caespitosa Carl B. Wolf 1937-5-16 8701 Tehama Northern Sierra Nevada Foothills, Red Bluff - Susanville Road, 2.3 miles below Paynes Creek P.O. 366 Comment
  CAS-BOT-BC402932  Eschscholzia californica A. A. Heller 1922-5-13 13624 Tehama Along the highway between Dairyville and Red Bluff at the Cone ranch Comment
  CHSC96629  Eschscholzia lobbii Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13621 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
  JEPS51685  Eschscholzia lobbii J. W. Blankinship 1911-4-7 Tehama Corning Comment
  CAS-BOT-BC310404  Eucephalus breweri John Thomas Howell 1960-8-19 36110 Tehama Lassen Volcanic National Park. Brokeoff Mt. Trail 2133 Comment
  HSC97895  Euphorbia crenulata L. Ahart 2001-6-16 8871 Tehama E side of the dirt road, near Ike Dye Hill, 2 mi. W of Hwy. 32, W of Soda Springs Campground, 3 mi. W of Butte Meadows 1341 Comment
  SEINET12143921  Euphorbia maculata Unknown 1982-1 829 Tehama Internal drainage just e of irrigation ditch about 45 meters s of Lassen Road, T14N,R1W, nw quadrant Comment
  CHSC115811  Euphorbia serpillifolia subsp. serpillifolia Lowell Ahart; John Dittes 2015-8-5 20477 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
  JEPS124424  Euphorbia serpillifolia subsp. serpillifolia Lowell Ahart, John Dittes 2015-8-5 20477 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
  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
  UCD32613  Festuca elmeri Beecher Crampton 1954-6-16 1980 Tehama Mendocino National Forest, 1 mile south of Hawell Saddle. 1828 Comment
  CHSC65003  Festuca idahoensis Vernon H. Oswald; Lowell Ahart 1995-7-12 7046 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
  HSC74845  Festuca idahoensis J. P. Smith, Thomas W. Nelson 1978-7-22 10032 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  RSA758294  Festuca idahoensis Barbara Ertter, Brad Olson 1991-7-4 10270 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
  CHSC91137  Festuca occidentalis David Isle 1995-5-2 1046 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. Nomlaki Trail (east of Mud Flat Cpgd and north of road 23N32). 597 Comment
  UCD32610  Festuca roemeri Beecher Crampton 1954-6-16 1976 Tehama Mendocino National Forest, 1 mile northwest of Whiskey Saddle. 1478 Comment
  POM304469  Festuca rubra Alice Eastwood, J. T. Howell 1941-7-9 9773 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  JEPS127184  Fimbristylis autumnalis Lowell Ahart, John Dittes 2016-8-25 21282 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
  UC1949284  Floerkea proserpinacoides Barbara Ertter with Brad Olson 1991-7-6 10410 Tehama Rocky Cabin meadow ca 1 mi S of Ball Rock, 1 mi SE of Cold Spring Forest Station, ca 30 airmiles W of Corning Comment
  UC2042997  Floerkea proserpinacoides Barbara Ertter 1990-5-13 8962 Tehama Northeast Tehama Co.: South side Highway 36 between Morgan Springs and Child Meadows, along Mill Creek. Comment
  CAS-BOT-BC437044  Fragaria vesca subsp. bracteata unspecified 1900-5-27 s.n. Tehama Manton Comment
  CAS-BOT-BC53873  Frangula californica subsp. tomentella Carl B. Wolf 1937-6-13 8790 Tehama Red Bluff - Eureka Road, 6 6/10 mi. NW of Red Bluff 152 Comment
  LA207671  Frangula californica subsp. tomentella C. B. Wolf; 1928-9-13 3434 Tehama 1 mi. above Paynes Creek on the red bluff- Susanville rd 655 Comment
  HSC74825  Frangula purshiana J. P. Smith, J. O. Sawyer, Thomas W. Nelson 1978-7-22 10013 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1372 Comment
  RSA66362  Frasera speciosa P. A. Munz 1951-7-27 16972 Tehama South base of South Yolla Bolly Mountains. 2073 Comment
  CHSC77604  Fraxinus dipetala B. Castro; L. P. Janeway 1999-6-9 968 Tehama About 18 air miles SW of Red Bluff, vicinity of the confluence of Dry and Red Bank Creeks. 265 Comment
  CHSC86547  Fraxinus dipetala L. P. Janeway 2003-6-14 7832 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. 780 Comment
  CHSC88544  Fraxinus dipetala Jenny Marr; Beth Hendrickson 1999-5-27 Tehama Vicinity of Grizzly Creek and Little Grizzly Creek. 304 Comment
  UC1873692  Fraxinus dipetala Barbara Ertter with Brad Olson 1993-5-15 11761 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-BC26112  Fremontia californica var. viridis Alice Eastwood; John Thomas Howell 1934-4-21 1850 Tehama Between Payne's Creek and Red Bluff Comment
  CAS-BOT-BC212401  Fremontodendron californicum Ella Dales Cantelow 1939-5-20 2693 Tehama 10.7 mi. W. of Mineral Comment
  CAS-BOT-BC212412  Fremontodendron californicum C. Hart Merriam 1907-9-18 s.n. Tehama South rim Battle Creek, canyon above Payne Creek Comment
  HSC21360  Fremontodendron californicum R. Spellenberg 1964-6-18 470 Tehama 10 mi. SW of Mineral on Hwy 36 Comment
  HSC21365  Fremontodendron californicum K. P. St. John 1965-5-7 36 Tehama 6 mi. E of Paynes Creek on Hwy. 36 Comment
  RSA21518  Fremontodendron californicum Carl B. Wolf 1937-5-16 8704 Tehama Northern Sierra Nevada Foothills, Red Bluff - Susanville Road, 2.3 miles below Paynes Creek P.O. 366 Comment
  CHSC1947  Fremontodendron californicum subsp. californicum 1936-5-1 Tehama Manton. Comment
  CHSC33763  Fritillaria glauca W. Dempsey 1980-7-5 Tehama Mount Linn, South Yolla Bolly area. 2286 Comment
  UC1001302  Fritillaria glauca Louise Kellogg 1952-7-12 26 Tehama South Yolla Bolly Mountain, Middle Eel-Yolla Bolla Primitive Area, Mendocino National Forest South Yolla Bolly Mountain; North Coast Ranges, Mendocino National Forest 2438 Comment
  CHSC9483  Fritillaria pluriflora D. C. Burns 1969-3-13 3 Tehama Sec. Rio de Los Molinos Rancho, 200 yds. E of Hwy. 99E, 100 yds. N of Deer Creek. 60 Comment
  CHSC101195  Fritillaria recurva L. P. Janeway 2009-4-4 9707 Tehama Cascade Range Foothills. Tehama Wildlife Area; along Ishi Road 0.2 km southwest of its crossing of Antelope Creek. 396 Comment
  CHSC105991  Fritillaria recurva B. Castro; L. P. Janeway 2000-4-22 1100 Tehama High Cascade Range. On Pondrerosa Way, ca 60 ft S of bridge over S. Fork Antelope Ck (near S. Antelope Campgd). 835 Comment
  CHSC68570  Fritillaria recurva Vernon H. Oswald 1997-5-9 8409 Tehama Deer Creek Canyon at the bridge (8-69) between Potato Patch and Alder Creek campgrounds. 1143 Comment
  CHSC82565  Fritillaria recurva Tara Morgan 2002-4-28 49 Tehama Seen along Deer Creek Trail west of the campground downstream of lower Deer Creek Falls. The campground is accessible by vehicle down the forest service road off of Highway 32 (the turnoff is in section 36). All over the trail along Deer Creek. 905 Comment
  CHSC9283  Fritillaria recurva D. C. Burns 1971-4-4 123 Tehama Ca. 0.6 mi n of the intersection of Paynes Creek rd. and Plum Creek rd., ca. 20 yds. E of Plum Creek rd. 548 Comment
  HSC70005  Galium ambiguum Thomas W. Nelson, Jane P. Nelson 1978-7-22 4450 Tehama Along road to Handy Camp Gulch, 0.25 mi. E of Wells Creek 1372 Comment
  CHSC114628  Galium ambiguum J. Kierstead 1990-5-2 90 -46 Tehama Yolla Bolla R.D. West side of Tedoc Mtn. USFS Rd. 45, milepost 11. 1280 Comment
  JEPS76652  Galium ambiguum subsp. ambiguum L. R. Heckard 1972-6-17 2972 Tehama w slope Tedoc Mt. 1310 Comment
  RSA202685  Galium ambiguum subsp. ambiguum L. T. Dempster, G. Ledyard Stebbins 1964-6-13 3999 Tehama W of Paskenta and just S of Round Mtn. 1143 Comment
  CHSC79205  Galium ambiguum var. ambiguum L. P. Janeway 2000-6-29 6841 Tehama Northern High Sierra Nevada. Volcanic promontory on south edge of the top of Crystal Peak. 2110 Comment
  HSC19822  Galium aparine John L. Heywood, D. H. Norris 1968-3-31 1854 Tehama Hwy. 36, 56 mi. E of Shasta Co. line 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
  JEPS107080  Galium bolanderi Barbara Ertter with James R. Shevock 1992-6-14 11145 Tehama Lanes Valley Road 2.3 mi s of Route 46 (Manton Road) ca 7 air mi nw of town of Paynes Creek. 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
  JEPS29540  Galium grayanum John Thomas Howell 1960-8-19 36135 Tehama Brokeoff Mountain trail Lassen Volcanic National Park 2438 Comment
  UCD73353  Galium grayanum var. grayanum Chuck Hughes 2008-6-22 44 Tehama A few feet from summit of Mount Linn. 2464 Comment
  RSA67148  Galium grayanum var. nanum Philip A. Munz 1951-7-26 16931 Tehama E slope of S Yolla Bolly. 2348 Comment
  CHSC64726  Galium parisiense Vernon Oswald; Lowell Ahart 1995-5-16 6728 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. 201 Comment
  CHSC64991  Galium porrigens var. tenue Vernon H. Oswald; Lowell Ahart 1995-7-12 7005 Tehama W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 3.2 mi S of Hwy. 36. 950 Comment
  JEPS97425  Galium porrigens var. tenue Vernon H. Oswald and L. Ahart 1995-7-12 7005 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. Climbing in brush near a roadside drainage. 950 Comment
  UCR130074  Galium trifidum George K. Helmkamp, E. A. Helmkamp 2001-7-7 6899 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
  RSA424757  Galium trifidum var. pacificum Aaron Liston, M. Blumler 1987-4-24 654 -13 Tehama Hwy 36 between Dales and Paynes Creek; 4-5 miles SW of Dales. Comment
  JEPS94582  Galium triflorum Vernon Oswald and Lowell Ahart 1997-7-7 8688 Tehama Forest Road 27N26 0.4 mi w junction with 27N06 (w of Saddle Campground, near ne corner of Yolla Bolly-Middle Eel Wilderness) 1066 Comment
  CAS-BOT-BC199061  Garrya congdonii R. Bacigalupi 1934-5-29 2411 Tehama On Paskenta Grade, along road from Paskenta to Covelo Comment
  CHSC86550  Garrya congdonii Jenny Marr; Heidi West, Caroline Warren 1998-5-20 Tehama Vicinity of South Fork Cottonwood Creek and Pettyjohn Road. 426 Comment
  UC704289  Garrya congdonii Frank A. Pitelka 1943-6-15 206 Tehama 2 mi se Beegum 502 Comment
  RSA96786  Garrya flavescens subsp. congdonii Percy C. Everett, E. K. Balls 1954-10-16 20315 Tehama About Mud Flat Campground, 7.6 miles southwest of Paskenta on road to Covelo. 701 Comment
  JEPS94359  Garrya fremontii Vernon H. Oswald and Lowell Ahart 1997-5-7 8406 Tehama Intersection of Highways 36 and 32 between Chester and Childs Meadows; Intersection of Highways 36 and 32 1420 Comment
  SEINET516281  Garrya fremontii Vernon H. Oswald 1997-5-7 8406 Tehama Intersection of Hwys. 36 and 32 between Chester and Childs Mdws. 1420 Comment
  CHSC80122  Gastridium phleoides L. P. Janeway; B. Castro 2000-5-9 6712 Tehama Vicinity of Rice Creek and Brannin Creek, west of Hwy I-5. 121 Comment
  CHSC80719  Gastridium phleoides Lowell Ahart 2001-6-8 8801 Tehama On the east side of road M2, about 9 miles west of Paskenta. 762 Comment
  CHSC96529  Gastridium phleoides Lowell Ahart 2007-5-8 13752 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
  UCSB38073  Gayophytum diffusum Lewis, Harlan; Lewis, Marjorie 1962-8-15 Tehama Hwy. 36 at the junction with the road to Mill Creek, south of Mount Lassen 1463 Comment
  OBI33535  Gayophytum diffusum subsp. parviflorum H. & M. Lewis, M. Lewis 1962-8-15 1323 Tehama Hwy 36 at the jctn with the rd to Mill Crk, S of Mount Lassen 1463 Comment
  RSA67192  Gayophytum diffusum subsp. parviflorum P. A. Munz 1951-7-25 16865 Tehama 1 mile E of Square Lake. Comment
  CHSC44215  Gayophytum heterozygum Vernon Oswald 1988-7-12 3553 Tehama Ides Cove Loop Trail (9W04), South Yolla Bolly Mts, at Long Lake. 2148 Comment
  HSC74940  Gayophytum heterozygum J. P. Smith, Thomas W. Nelson 1979-6-24 10169 Tehama Shasta-Trinity National Forest, Wells Creek Camp. 1311 Comment
  UC1001331  Gayophytum heterozygum Louise Kellogg 1952-7-17 72 Tehama South Yolla Bolly Mountain North Coast Ranges, Mendocino NF, Middle Eel-Yolla Bolly Pri 2438 Comment
  CHSC115820  Gentiana newberryi var. tiogana Lowell Ahart; John Dittes 2015-8-5 20436 Tehama East side of Child's Meadow, 150 yards west of Highway 36, 0.69 air-miles northwest 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
  UC878598  Gentianopsis simplex Alice Eastwood Aug 22 1912-Aug 26 1912 1890 Tehama Lassen Butte Region, Battle Creek meadows Comment
  CHSC64980  Gilia capitata subsp. capitata Vernon H. Oswald; Lowell Ahart 1995-7-12 7038 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on the summit of Tedoc Mtn. (end of Forest Road 28N60). 1615 Comment
  UC1949385  Gilia capitata subsp. capitata Barbara Ertter 1991-5-18 9844 Tehama Rosewood Ranch on Salt Creek ca 17 airmiles WNW of Red Bluff, ca 1/2 mi S of Hwy 36; steep S-facing side of ridge S of pasture Comment
  UC1618377  Gilia sinistra subsp. sinistra Barbara Ertter 1991-9-2 10767 Tehama 16 air mi e of Covelo (0.5 mi n of Wells Cabin Campground on ridge road, springs at head of Burnt Creek on e side of Anthony Peak, sw Tehama County); Anthony Peak, Burnt Creek 1889 Comment
  CHSC41023  Gilia tricolor Pauleen Broyles 1982-4-15 419 Tehama The Nature Conservancy Vina Plains Preserve. Slope ca 150 m south of Lassen Rd and 150 m east of Hwy 99. 66 Comment
  CHSC66480  Githopsis pulchella subsp. campestris Vernon H. Oswald; Lowell Ahart 1996-5-20 7593 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Edge of intermittent stream near Paynes Creek. 158 Comment
  CHSC66012  Githopsis specularioides Vernon H. Oswald; Lowell Ahart 1996-4-15 7379 Tehama Thomas Creek Ecological Reserve. CDFG parcel on the S side of Gyle Road. NW of Corning. Northwest side of Sacramento Valley. Growing on a large meander plain of the intermittent stream ca. 0.3 mi E of the lane. 100 Comment
  UC903264  Githopsis specularioides Ethel Crum 1932-5-9 1439 Tehama Elder Creek North Coast Range, Lowry 304 Comment
  CHSC113281  Glyceria declinata Lowell Ahart; John Dittes 2014-5-18 19513 Tehama Along ditch, where poor dirt road fords water ditch, about 1 1/2 miles east of the end of Lyon Cattle Road, about 3 1/2 miles (air) northeast of Los Molinos. 99 Comment
  CHSC77568  Glycyrrhiza lepidota B. Castro; H. West 1999-6-1 941 Tehama About 22 air miles W of Orland, vicinity of Newville and Salt Creek. 201 Comment
  CAS-BOT-BC302590  Gnaphalium palustre John Thomas Howell 1960-8-18 s.n. Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  JEPS110131  Gnaphalium palustre Lowell Ahart 2006-7-19 13019 Tehama In small depressions, open meadow area just west of the dirt road, east of Colby Creek, near large man-made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows 1503 Comment
  RSA718936  Gnaphalium palustre L. Ahart 2006-7-19 13019 Tehama East of Colby Creek, near large man made piles of soil and rock, about 1.75 miles (air) SE of Colby Mountain, about 4.75 miles (air) NE of Butte Meadows. 1504 Comment
  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
  CHSC94553  Goodyera oblongifolia Lowell Ahart 2006-9-9 13262 Tehama Near a bog, about 75 yards east of the dirt road, about 220 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows. 1525 Comment
  JEPS124057  Goodyera oblongifolia Lowell Ahart, John Dittes 2015-8-5 20482 Tehama East side of Childs Meadow, 10 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
  UC1736626  Gratiola heterosepala Dean W. Taylor 1991-5-9 11691 Tehama west base Tuscan Buttes, in large (ca. 3 acre) vernal lake (local name 7 Mile Lake) 295 Comment
  CHSC91074  Grindelia camporum D. Isle 2002-8-29 272 Tehama Mendocino National Forest--North Coast Ranges. Grindstone Creek Watershed. Just above (N of) curve in Rd. 23N53. 1280 Comment
  HSC68235  Grindelia hirsutula J. P. Smith, J. O. Sawyer 1971-5-22 4634 Tehama Immediately N of Jct. of California 36 and 99 Comment
  UC1002631  Guillenia lasiophylla Milo S. Baker 1953-5-9 12596 a Tehama logging rd w Paskenta Comment
  RSA93374  Guillenia lasiophylla Milo S. Baker 1953-5-31 12596 a Tehama Logging road W of Paskenta near 6 mi post. 305 Comment
  CHSC102591  Hackelia micrantha L. P. Janeway 2009-7-26 9877 Tehama High Cascade Range. Lassen national Forest; east side of Hwy 89 1.5 road km south of the boundary of Lassen Volcanic National Park; 1.1 km west of (and above) Mill Creek. 1966 Comment
  NY178905  Haplopappus bloomeri var. ophitidis F. W. Hoffman 1949-7-21 2834 Tehama Summit of Mt. Tedoc, northwestern Tehama Countu 1524.0 Comment
  CAS-BOT-BC123682  Haplopappus ophitidis Freed W. Hoffman 1949-7-21 2834 Tehama northwestern Tehama County, summit of Mt. Tedoc 1524 Comment
  CHSC101386  Harmonia stebbinsii David Isle 1992-5-24 1568 Tehama Mendocino National Forest; Thomes Creek Watershed. 9.25 miles above Paskenta Store; north of M-2 (23N01.3); about 0.1 mile above MNF boundary; about 1.6 mile above Beehive Flat. 853 Comment
  RSA90490  Harmonia stebbinsii Milo S. Baker 1953-5-10 12622 Tehama Logging road W of Paskentia near 10 mile post Comment
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Dec 16 2012
  CAS-BOT-BC306537  Helenium bigelovii John Thomas Howell 1960-8-18 36074 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  CDA6445  Helenium bigelovii L. P. Janeway 2001-7-29 7396 Tehama High Cascade Range; At Tamarack Spring; about 4.5 km south-southeast of Turner Mountain; the head of Gunbarrel Creek. Comment
  CHSC77534  Helenium puberulum Heidi West; Natalie Wight 1998-8-21 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 268 Comment
  CHSC60318  Helianthella californica var. nevadensis Mary Ann Showers 1992-6-26 2582 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  CHSC80595  Helianthus exilis Lowell Ahart 2001-6-14 8821 Tehama On the west side of road M2, about 7.5 miles west of Paskenta. 579 Comment
  CHSC76340  Heliotropium curassavicum B. Castro; L. P. Janeway 1999-6-21 993 Tehama About 21 air miles W of Red Bluff just SW of Cobb Flat, on S edge of Pettyjohn Rd, between road and Guyre Creek. Roadside. 426 Comment
  SD211567  Heliotropium curassavicum Barbara Ertter 1991-5-18 9865 Tehama Rosewood Ranch, on Salt Creek circa 17 airmiles West-Northwest of Red Bluff, circa 1/2 mile South of Highway 36 along creek. 213 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
  CHSC77750  Heliotropium europaeum B. Castro; H. West 1999-6-1 948 Tehama About 22 air miles W of Orland, vicinity of Newville and N. Fk Stony Creek. Several ft from water. 193 Comment
  CHSC83097  Heliotropium europaeum Lowell Ahart; John Dittes, Jim Gannon, Lyle Martinez 2002-11-4 10007 Tehama Bottom of a wash, Jewett Creek, east of Marguerite Road, about 1 1/4 mile (air) southeast of Corning. 74 Comment
  CHSC87940  Heliotropium europaeum Lowell Ahart 2004-6-28 11139 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 Comment
  JEPS19678  Heliotropium europaeum Rimo Bacigalupi with S. Galen Smith and Geo. Bacigalupi Jr. 1957-6-25 5928 Tehama ca. 6 1/2 mi. s.w. Red Bluff (close to farm along county rd. from Red Bluff to Paskenta via Lowrey and Red Bank Creek, Red Bank district, flood plain of Red Bank Creek); Red Bank district, flood plain of Red Bank Creek 121 Comment
  UCR108221  Heliotropium europaeum L. C. Wheeler 1958-7-31 7358 Tehama Red Bluff: Jefferson and Walnut Streets, SW corner. Comment
  CDA5604  Heliotropium europaeum T. C. Fuller 1968-9-17 17616 Tehama Highway 36 to Beegum, 5 miles west of Old Highway 99, northwest of Red Bluff. 0 Comment
  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-BC313471  Hemizonella minima Alice Eastwood; John Thomas Howell 1941-7-9 9762 Tehama Log Spring Ridge betwen Log Spring and Government Flat Comment
  CAS-BOT-BC313474  Hemizonella minima Clare R. Wheeler 1981-6-17 2427 Tehama Just W. of Government Flat ca. 2.75 mi. N. of Wells Cabin Campground, Mendocino National Forest 1828 Comment
  CHSC77730  Hemizonia congesta subsp. clevelandii B. Castro; L. P. Janeway 1999-6-3 950 Tehama About 23 air miles W of Red Bluff, vicinity of Pettyjohn Rd and S. Fork Cottonwood Creek. 457 Comment
  CHSC108053  Hemizonia congesta subsp. luzulifolia L. P. Janeway 2011-9-27 10747 Tehama Inner North Coast Ranges. 3.7 air km southwest of Paskenta;along Round Valley Road 1.6 road km north-northeast of Newville Road (Garland Road). 311 Comment
  CDA3421  Herniaria hirsuta subsp. cinerea J. T. Howell 1960-7-24 36000 Tehama Paynes Creek Comment
  CHSC65715  Hesperevax acaulis var. acaulis Vernon H. Oswald; Lowell Ahart 1996-4-3 7311 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd., NW of Corning. Northwest side of Sacramento Valley. Drainage ca. 100 ft. S of the intermittent stream and ca. 0.2 mi E of the dirt lane along the W side of the parcel. 103 Comment
  UC1278031  Hesperevax caulescens B. Crampton 1953-4-29 1153 Tehama about 2 mi n of Vina; US Hwy. 99E Comment
  SEINET11844256  Hesperevax caulescens Unknown 1982-1 501 Tehama The Nature Conservancy Vina Plains Preserve, NW of barn 60 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
  CHSC80220  Hesperolinon micranthum L. P. Janeway 1999-6-19 6469 Tehama Cascade Range Foothills. Along Laynes Valley Road 7.2 km northwest of Hwy 36; about 0.8 km south of Battle Creek. 430 Comment
  UC2031483  Hesperolinon micranthum Barbara Ertter with Brad Olson 1991-7-5 10293 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [Stiver's Ranch], ca 15 air miles WNW of Red Bluff Comment
  UC2042793  Hesperolinon micranthum Barbara Ertter with Brad Olson 1991-7-4 10272 Tehama Toomes Camp / Ball Rock Road 16.1 mi W of Paskenta, 2 mi SE of Kingsley Glade/Maxin junction ca. 28 air miles W of Corning Comment
  CAS-BOT-BC167461  Hesperolinon tehamense Helen K. Sharsmith 1953-6-23 4339 Tehama South-west of Paskenta on Covelo-Paskenta Road 3 m. within Mendocino National boundary and 0.5 m. below Mud Flat 609 Comment
  CDA28494  Hesperolinon tehamense L. Ahart 2004-6-3 11150 Tehama On the east side of Road M2, about 9 miles west of Paskenta. Comment
  JEPS101970  Hesperolinon tehamense Dean W. Taylor 1997-6-5 16034 Tehama Beehive Flat, Toomes Camp Road (Forest Road M2); 7 road miles west of Paskenta 701 Comment
  JEPS106323  Hesperolinon tehamense Lowell Ahart 2004-6-11 11047 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
  JEPS122823  Hesperolinon tehamense W. A. Freyman with A. C. Schneider & Y. P. Springer 2014-5-20 286 Tehama Along road to Mud Flat campground off the Round Valley Road southwest of Paskenta. Comment
  SD51687  Hesperolinon tehamense Helen K. Sharsmith 1951-7-11 4018 Tehama Covelo-Paskenta road, 11.1 miles west of Paskenta, Mendocino National Forest. Serpentine barren in chaparral. 1160 Comment
  UC762272  Hesperolinon tehamense R. F. Hoover 1939-5-11 4101 Tehama foothills above Paskenta (on road to Covelo) Comment
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Dec 30 2018
  CAS-BOT-BC167464  Hesperolinon tehamense Robert F. Hoover 1939-5-11 4101 Tehama Foothills above Paskenta on road to Covelo Comment
  CHSC109585  Heterocodon rariflorum Lowell Ahart 2012-6-2 18152 Tehama East edge of the road, on the west side of 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
  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
  CHSC117703  Heterotheca oregona var. compacta Lowell Ahart; John Dittes 2016-8-24 21267 Tehama About 20 yards west of the Sacramento River, Anderson River Park, 0.7 miles (air) upstream from Stillwater Creek Confluence 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  UCR123912  Hieracium bolanderi George K. Helmkamp, E. A. Helmkamp 2001-7-7 6923 Tehama Sierra Nevada Mountains, Calif. Hwy 36, 2.6 mi west of Mineral, about 33 mi west of Chester, Lake Almanor 1418 Comment
  CHSC45683  Hieracium gracile Vernon Oswald 1986-7-24 2227 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2316 Comment
  CHSC46612  Hieracium horridum V. Oswald; W. Dempsey 1989-8-3 3913 Tehama Wilson Lake north of Hwy 36, ca. 8 mi (air) east of Mineral. On the north side of the outlet of the lake. 1633 Comment
  JEPS88371  Hirschfeldia incana Vernon H. Oswald and Lowell Ahart 1996-4-23 7440 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (in flood channels of Paynes Creek just downstream from the power line); Cascade Range Foothills, Hog Lake Plateau 147 Comment
  CHSC88270  Holcus lanatus Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11188 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
  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
  RSA261421  Holodiscus discolor J. M. Tucker 1962-7-29 3627 Tehama 3/4 mile north of Ovenlid, South Yolla Bollly Mountain, ca. 3 miles east of the summit. 1982 Comment
  RSA66399  Holodiscus discolor Philip A. Munz 1951-7-18 16629 Tehama North slope of North Yolla Bolly Peak. 1982 Comment
  CHSC65347  Holodiscus microphyllus var. glabrescens Lowell Ahart 1995-10-3 7655 Tehama Along Willow Creek, about 1 3/4 miles (air) north-east of Jonesville, about 6 1/2 miles (air) north-east of Butte Meadows. 1645 Comment
  JEPS97280  Holodiscus microphyllus var. glabrescens Lowell Ahart 1995-10-3 7655 Tehama about 1 3/4 mi (air) NE of Jonesville ( along Willow Creek, about 6 1/2 mi(air) NE of Butte Meadows) 1645 Comment
  JEPS95732  Holosteum umbellatum subsp. umbellatum Vernon H. Oswald and L. Ahart 1995-3-19 6543 Tehama T28N R3W SE1/4 Sect. 35, 460 ft, Cascade Range Foothills, Blue Oak Woodland, volcanic mudflow substrate (Tuscan Formation). Hwy. 36 3.4 miles e of its junction with Hwy. 99 in Red Bluff 140 Comment
  CHSC61448  Hordeum brachyantherum subsp. brachyantherum Vernon H. Oswald; Lowell Ahart 1993-8-18 5813 Tehama Slope between Mt. Conard and Spencer Meadow, near the S boundary of the park. Meadow at one of the headwaters of Canyon Creek. 2109 Comment
  CDA15422  Hordeum marinum subsp. gussoneanum G. F. Hrusa, J. Hart 1998-5-1 14439 Tehama Sacramento Valley; Uncommon in colonies on outer edges of vernal pools on ridge approx. 1/4 mi. S of Coyote Creek, Coyote Creek Conservation Area, and ~1 mi. W of Paskenta Rd. Annual. Comment
  CHSC78960  Hordeum marinum subsp. gussoneanum Julie Cunningham; Jenny Marr, Caroline Warren 1998-5-11 Tehama Vicicinity of Round Valley Road and Newville Road (Garland Road). 280 Comment
  SEINET11689130  Hordeum marinum subsp. gussoneanum Unknown 1982-1 489 Tehama The Nature Conservancy Vina Plains Preserve, just S of Lassen Road & E of irrigation ditch 67 Comment
  CHSC75431  Hordeum murinum subsp. leporinum Ben Myhre 1997-4-9 31 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  CHSC75432  Hordeum murinum subsp. leporinum Ben Myhre 1997-4-25 39 Tehama Dye Creek Preserve, 8 miles north of Los Molinos. About 1/4 mile west of the mouth of Dye Creek Canyon. 106 Comment
  CHSC96668  Hordeum murinum subsp. leporinum Lowell Ahart 2007-5-8 13753 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
  CHSC48852  Horkelia fusca subsp. tenella Vernon Oswald 1985-6-10 1818 Tehama Near the w end of Wilson Lake. Meadow. 1609 Comment
  JEPS44571  Horkelia fusca subsp. tenella Jos. Grinnell 1925-6-23 Tehama Battle Creek Meadows 1478 Comment
  UCR130091  Horkelia tridentata George K. Helmkamp, E. A. Helmkamp 2001-7-7 6914 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
  POM224395  Horkelia tridentata H. P. Bracelin 1931-5-30 370 Tehama Meadow on Mill Creek, 1 mile W of Mineral Comment
  CHSC65063  Horkelia tridentata subsp. tridentata Vernon H. Oswald; Lowell Ahart 1995-7-17 7097 Tehama High Cascade Range. Forest Road 29N22 0.3 mi W of Hwy. 89, ca. 2 mi S of the S boundary of Lassen Volcanic National Park. 1883 Comment
  CHSC94367  Horkelia tridentata subsp. tridentata Lowell Ahart 2006-7-19 13021 Tehama Open meadow area just east of the dirt road, east of Colby Creek, near large man-made piles of soil and rock, about 1 3/4 miles (air) southeast of Colby Mountain, about 4 3/4 miles (air) northeast of Butte Meadows. 1503 Comment
  CAS-BOT-BC540022  Horkelia tridentata var. tridentata John Thomas Howell 1960-4-20 36272 Tehama Lassen Volcanic National Park, Morgan 1463 Comment
  HSC82143  Hosackia crassifolia Thomas W. Nelson, Jane P. Nelson 1979-6-25 4901 Tehama Along FS road from Stuart Gap to S Fork of Beegum Creek, 1 mi. from Stuart Gap 1372 Comment
  CHSC43662  Hosackia crassifolia var. crassifolia Vernon Oswald 1984-5-30 1217 Tehama Mendocino National Forest, Round Valley Rd. (M4; 23N02), 29.1 mi w of Newville Rd. 1524 Comment
  HSC97757  Hosackia oblongifolia var. oblongifolia Vernon H. Oswald, L. Ahart 1997-7-7 8705 Tehama Forest Route 35 at Slide Creek near NE corner of Yolla Bolly-Middle Eel Wilderness 1189 Comment
  CHSC68584  Hosackia pinnata Vernon H. Oswald; Lowell Ahart 1997-5-14 8418 Tehama Ponderosa Way (Forest Rd. 28N29) 3.8 mi southeast of Plum Creek, at a low-water corssing of the North Fork Antelope Creek. 938 Comment
  JEPS102418  Hosackia stipularis var. ottleyi Lowell Ahart 2001-6-16 8857 Tehama On north side of the dirt road, about 4-1/2 miles west of Highway 32, west of Soda Springs Campground, about 5 miles (air) west of Butte Meadows. 1112 Comment
  SD43487  Hydrophyllum capitatum Philip A. Munz 1947-5-18 4387 Tehama 12 mi E of Mineral on Hwy 36 1584 Comment
  CDA36545  Hypericum anagalloides L. Ahart, Samantha Mackey Hillaire 2004-7-9 11204 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. Comment
  SBBG4754  Hypericum anagalloides H. and M. Dearing 1938-6-23 2112 Tehama near Deer Crk Comment
  HSC27977  Hypericum anagalloides Gary S. Lester 1973-7-3 45 Tehama Yolla Bolly WIlderness Area SE of N Yolla Bolly Peak 2134 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
  JEPS117350  Hypericum perforatum Lowell Ahart, John Dittes 2010-7-17 16874 Tehama On dry rocky soil, near the fence, about 100 yards southeast of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36 819 Comment
  JEPS95752  Hypericum perforatum Vernon H. Oswald 1995-5-22 6756 Tehama T29N R2W SW1/4 NE1/4 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. Large population growing along Manton Rd. e of the borrow pit. 219 Comment
  CHSC40521  Hypochaeris glabra Pauleen Broyles 1982-5-12 571 Tehama The Nature Conservancy Vina Plains Preserve. Near irrigation ditch. 60 Comment
  RSA704008  Hypochaeris glabra Daphne K. Christopher, Hannah Stevens, M. Bibbo 2003-4-20 217 Tehama Vina Plains Nature Conservancy Preserve in Big Pond section. 67 Comment
  CHSC25029  Iris tenuissima Bob Garamendi 1974-5-12 66 Tehama Mill/Deer Creek Study Area. Obe Field Springs 1158 Comment
  CHSC68604  Iris tenuissima subsp. purdyiformis Vernon H. Oswald; Lowell Ahart 1997-5-14 8422 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 4.9 mi southeast of Plum Creek Rd., 1.1 mi southwest at a low-water crossing of the North Fork Antelope Creek. 1030 Comment
  CAS-BOT-BC88643  Isatis tinctoria B. Crampton 1953-5-1 1204 Tehama Along US Highway 99, 5 miles north of Red Bluff. 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
  CHSC111157  Isoetes howellii Lowell Ahart 2012-6-2 18151 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
  CHSC40819  Isoetes howellii Pauleen Broyles 1982-5-21 641 Tehama Ca 30 meters s of Lassen Road in w pasture. The Nature Conservancy Vina Plains Preserve. 66 Comment
  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
  CHSC67145  Isoetes nuttallii James D. Jokerst 1984-3-17 1936 Tehama Wurlitzer Ranch on the E side of Meridian Rd., S of Zimmershed Creek ca. 0.3 mi E of Meridian Rd. 91 Comment
  JEPS97383  Isoetes nuttallii Vernon H. Oswald and Lowell Ahart 1995-4-3 6563 Tehama 14 mi NE of Red Bluff (W side of Manton Rd (A6) ca. 1.5 mi N of Dales Station on Hwy 36); Cascade Range Foothills, Dales Lake Ecological Reserve 213 Comment
  CHSC65083  Isoetes orcuttii Vernon H. Oswald; Lowell Ahart 1995-7-31 7154 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. 213 Comment
  JEPS58703  Juglans californica var. hindsii Harold Bailey and Virginia Bailey 1938-4-16 Tehama along creek Henleyville Comment
  SBBG119951  Juncus balticus L. Ahart 2006-7-26 13082 Tehama ca. 20 yards E of where the dirt rd crosses Colby Crk, ca. 2 mi SE of Colby Mtn, ca. 5 mi NE of Butte Meadows 1518 Comment
  UC1748280  Juncus bolanderi L. P. Janeway and B. Castro 1999-8-24 6547 Tehama 1.6 mi E of Buck Rock ( at Willow Spring, between Forks Ridge and Short Ridge); High Coast Ranges 1737 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
  CHSC66217  Juncus bufonius var. bufonius Vernon H. Oswald; Lowell Ahart 1996-6-3 7713 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Along Paynes Creek ca. 0.5 mi downstream from the old bridge site. 100 Comment
  CHSC87839  Juncus bufonius var. bufonius Lowell Ahart 2004-6-1 10985 Tehama On the north side of Thomes Creek, on the south side of Corning Road, about 1 mile east of Paskenta. 242 Comment
  JEPS115390  Juncus bufonius var. bufonius Lowell Ahart, John Dittes, Josephine Guardino 2009-8-27 16338 Tehama West side of pond on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 ft south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lass 1493 Comment
  CHSC113792  Juncus covillei Peter F. Zika 2012-7-13 25975 Tehama Sheep Trail Ridge, FS Road 27N06, 2.1 road miles below summit, on NE slope of Tomhead Mountain, Yolla Bolly Mountains. North Coast Range Highlands (NCoRH) 1675 Comment
  HSC82148  Juncus covillei Thomas W. Nelson, Jane Nelson 1979-6-25 4906 Tehama Along FS road from Stuart Gap to S Fork of Beegum Creek, 1 mi. from Stuart Gap 1372 Comment
  CHSC55301  Juncus effusus subsp. pacificus L. P. Janeway 1991-6-15 4015 Tehama Battle Creek Wildlife Area. Along water ditch ca 600 ft south of Battle Creek; ca 1 1/2 mi east of the Sacramento River. 126 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
  JEPS95408  Juncus howellii Lowell Ahart 1994-7-24 7520 Tehama about 1 1/2 air miles N of Jonesville (sides of Willow Creek, about 1/4 mi N of the dirt road; Yellow Pine Forest); ; <coords. cont.: SE 1/4> 1645 Comment
  CHSC105447  Juncus laccatus Peter F. Zika 2008-7-14 23900 Tehama Cascade Range Highlands. Routes 36 and 89, c. 4 air km WNW of Wilson Lake. 1515 Comment
  JEPS100399  Juncus leiospermus var. leiospermus Dean W. Taylor 1995-5-9 14893 Tehama ca. 10 miles SE of Corning, South Fork Hall Creek 140 Comment
  JEPS99013  Juncus leiospermus var. leiospermus Carol W. Witham 1993-4-7 464 Tehama 5 air mi WSW of Corning; along dirt road heading E from Black Butte Road, 2.0 road mi S of junction with Corning Road 106 Comment
  UCD141621  Juncus nevadensis John Thomas Howell 1960-8-19 36127 Tehama Lassen Volcanic National Park, Brokeoff Mountain Trail. 2346 Comment
  CHSC59148  Juncus occidentalis Vernon H. Oswald 1992-8-19 5166 Tehama Lassen Volcanic National Park. 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. In a drainage crossing the trail. 2194 Comment
  UC1873691  Juncus occidentalis Barbara Ertter with James R. Shevock 1992-6-14 11131 a Tehama 0.8 miles south of Battle Creek bridge on Wild Cat Road, ca 7 air miles NW of Paynes Creek (town). Comment
  CHSC105494  Juncus orthophyllus Lowell Ahart; John Dittes 2010-7-17 16885 Tehama On dry rocky soil, on the north side of Ponderosa Way, about 1,910 feet south of Bluff Springs, 4.1 miles (air) southeast of Manton, about 2.8 miles (air) north of Highway 36. 768 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
  CHSC102652  Juncus tenuis Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16340 Tehama West side of pond on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 ft south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. In area between Sec 23 SE1/4 and Sec 24 SW1/4. 1493 Comment
  JEPS88295  Juncus tenuis Vernon H. Oswald and Lowell Ahart 1996-4-29 7467 Tehama CDFG parcel on s side of Gyle Rd. Sacramento Valley, Thomes Creek Ecological Reserve (nw side of Valley, nw of Corning) 103 Comment
  SEINET11787695  Juncus uncialis Unknown 1982-1 886 Tehama Nature Conservancy Vina Plains Preserve 60 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
  UC1789200  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
  RSA518663  Juncus xiphioides L. R. Heckard, Peter Rubtzoff 1971-7-31 2679 Tehama Tehama County: Damp mud of land locked lagoon off the Sacramento River just NE of Red Bluff. Comment
  CHSC24161  Juniperus californica J. R. Nelson 1976-3-6 15 Tehama 7 mi w of Paskenta on Covelo Rd. 304 Comment
  JEPS76632  Juniperus californica L. R. Heckard 1972-6-18 2994 Tehama edge of, s of Mt. Tedoc Wells Creek 914 Comment
  NY99569  Juniperus californica L. C. Wheeler 1958-8-25 7441 Tehama Approximately half way between Red Bluff and Dales Comment
  SEINET11054117  Juniperus occidentalis var. australis D. Charlet, R. Tausch, R. Terry 1995-9-28 2219 Tehama Yolla Bolly Mountains, Cedar Basin, North Yolla Bolly Peak. 1896 Comment
  JEPS126575  Keckiella breviflora var. glabrisepala Lowell Ahart, John Dittes 2016-6-22 21046 Tehama About 300 yards southwest of the fish ladder on Deer Creek, about 0.8 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 miles by trail to Highway 32. Comment
  JEPS88585  Keckiella breviflora var. glabrisepala Vernon H. Oswald and Lowell Ahart 1996-5-20 7577 Tehama BLM parcel along Hwy. 36 NE of Red Bluff; Cascade Range Foothills, Blue Oak Woodland, Tuscan mudflow substrate. Intermittent stream at northeast end of the parcel. 182 Comment
  CHSC77811  Koeleria phleoides B. Castro; C. Warren, L. P. Janeway 1999-5-4 908 A Tehama About 25 air miles NW of Orland, vicinity of Rocky Ridge, Williams Butte, and Garland/Round Valley Rd. 265 Comment
  CAS-BOT-BC340324  Kyhosia bolanderi John Thomas Howell 1960-8-20 36230 Tehama Near Lassen Volcanic National Park. Morgan 1463 Comment
  CHSC40522  Lactuca saligna Pauleen Broyles 1982-7-7 782 Tehama The Nature Conservancy Vina Plains Preserve. 66 Comment
  CHSC66877  Lactuca saligna Vernon H. Oswald; Lowell Ahart 1996-9-4 8251 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the edge of an intermittent stream. 182 Comment
  CHSC66297  Lactuca serriola Vernon H. Oswald 1996-6-27 7898 Tehama Northwest side of Sactamento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Collected near the S boundary ca. 0.7 mi E of the W boundary. 105 Comment
  CAS-BOT-BC341379  Lagophylla glandulosa John Thomas Howell 1934-6-17 12236 Tehama Near Cottonwood Comment
  CDA13588  Lagophylla glandulosa G. F. Hrusa 1996-8-17 13512 Tehama Sacramento Valley; Blue Tent Creek. Immediately downstream from Jelly's Ferry Rd. crossing, and adjacent to Interstate 5. Comment
  CAS-BOT-BC341382  Lagophylla glandulosa H. M. Hall 1919-10-4 s.n. Tehama Near Corning Comment
  CHSC48172  Lagophylla minor Vernon Oswald 1986-4-1 1063 Tehama Round Valley Rd. (M4) 0.7 mi e of Bennett Creek. Roadside. 731 Comment
  UC1618415  Lagophylla ramosissima Barbara Ertter 1991-9-2 10779 Tehama 2.8 mi w of Log Spring Creek (15 air mi wsw of Paskenta, Round Valley - Paskenta Road (Rt M4), sw Tehama County); Rt M4 1524 Comment
  CHSC110420  Lagophylla ramosissima subsp. ramosissima David Isle; Rhonda Isle, 2011-1-19 1948 Tehama On s edge of Black Butte Road about 2 mi NE of jct. with Newville Rd (about 1/3 way between Newville and Corning). Comment
  JEPS97212  Lasthenia californica subsp. californica Vernon H. Oswald and L. Ahart 1995-4-3 6560 Tehama T29N R2W NE1/4 SW1/4 Sec. 26, 710 ft, Cascade Range Foothills, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 216 Comment
  JEPS22653  Lasthenia fremontii Rimo Bacigalupi with Drs. Herbert and Lucille Mason Apr 22 1958-Apr 23 1958 6283 Tehama about 2 mi w of Kirkwood and about 1/2 mi w of U.S. Highway 99; Corning 73 Comment
  JEPS88314  Lasthenia fremontii Vernon H. Oswald and Lowell Ahart 1996-4-29 7479 Tehama CDFG parcel on s side of Gyle Rd. nw Corning (nw side of Valley, at edge of small pool at s boundary ca. 0.2 mi w of the farm pond); Sacramento Valley, Thomes Creek Ecological Reserve 106 Comment
  CHSC102241  Lasthenia gracilis L. P. Janeway; B. Castro 2009-4-25 9771 Tehama Cascade Range Foothills. Tehama Wildlife Area; north-facing slope along Powerline Road just southwest of Little Antelope Creek. 575 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
  CHSC45689  Lasthenia platycarpha Vernon Oswald 1985-3-31 1689 Tehama Haille Rd. ca. 0.25 mi w of Hwy 99 at the first vernally wet ditch on the s side of the road. Comment
  UC1363757  Lasthenia platycarpha Francia Chisaki 1958-4-1 1112 Tehama 11 mi w Corning (on road from Flournay to Corning) Comment
  CHSC48506  Lathyrus jepsonii var. californicus Vernon Oswald 1984-6-19 1296 Tehama Hwy 32, 1.8 mi s-w of Hwy 36. Growing on a steep bank of Deer Creek beside the road. 1414 Comment
  CHSC70862  Layia chrysanthemoides Vernon Oswald; Lowell Ahart 1998-4-27 8982 Tehama Vestal Rd. 3.8 mi south of Hwy. 36 between Red Bluff and Platina. Along this section of the road. 365 Comment
  CHSC83309  Layia fremontii Jenny Marr; Caroline Warren 1998-4-28 Tehama Vicinity of Garland Road (Newville Road) and North Fork Stony Creek. 213 Comment
  SJSU11667  Layia fremontii H. D. Baer 1960-4-14 Tehama near Coleman Fish Hatchery 11 mi SE of Anderson 259 Comment
  JEPS3550  Layia septentrionalis Keith Wagnon 1953-4-26 12551 Tehama about 6 mi w of Paskenta Comment
  CHSC115503  Leersia oryzoides B. Castro; Amy Lyons, Brian Humphrey 2014-11-28 2035 Tehama Sacramento Valley. Ca 1.8 mi NW of Woodson Bridge over the Sacramento River, ca. 0.47 mi W of the river, just downstream from rough wooden bridge over Kopta Slough. 54 Comment
  CHSC84585  Leersia oryzoides Lowell Ahart; John Dittes 2003-9-17 10607 Tehama On the south side 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
  JEPS105042  Legenere limosa Dean W. Taylor 1995-5-12 14900 Tehama ca. 8 miles SE of Corning, North Fork Hall Creek 137 Comment
  JEPS99019  Legenere limosa Carol W. Witham 1993-5-10 469 Tehama 12 air mi NE of Red Bluff; Dales Lake along Manton Road (County Road A6) 1.5 road mi N of junction with Highway 36 213 Comment
  SEINET10838535  Lepidium campestre David B. Dunn 1971-8-15 Dunn 18157 Tehama 1.5 mi. W. Of lassen park headquarters. Comment
  CHSC77321  Lepidium chalepense L. P. Janeway; B. Castro 1999-5-12 6422 A Tehama Vicinity of North Fork Stony Creek and Newville. 192 Comment
  CHSC4045  Lepidium nitidum D. F. Johnson 1967-3-9 2 Tehama Ca. 100 yds. north of Johnson Rd. ca. 10 mi. west of Red Bluff. 170 Comment
  HSC1819  Lepidium nitidum Larry Berti 1969-3-15 8 Tehama N face of Antelope Creek Canyon, 12 mi. E of Red Bluff, from the dam to 3 mi. upstream from dam 213 Comment
  POM346621  Lepidium nitidum Barry Burnell 1972-4-1 433 Tehama Intersection of Jolly Ferry Road. Central Valley drainage area. 107 Comment
  CHSC64346  Lepidium nitidum var. nitidum Vernon H. Oswald; Lowell Ahart 1995-3-6 6508 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1v mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Slope on the nw side of a drainage sw of Pool 20 (Orcuttia pool). 213 Comment
  CHSC64515  Lepidium strictum Vernon H. Oswald; Lowell Ahart 1995-4-10 6632 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 edge of Inks Creek Rd. between Manton Rd. and Dales Lake. 213 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
  CHSC65745  Leptosiphon bicolor Vernon H. Oswald; Lowell Ahart 1996-4-3 7309 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On the bed of a drainage ca. 100 ft S of the intermittent stream and ca. 0.2 mi E of the dirt lane along the W side of the parcel. 103 Comment
  CHSC86834  Leptosiphon bolanderi Jenny Marr; Heidi West, Caroline Warren 1998-6-15 Tehama Vicinity of Sunflower Gulch and Red Bank Creek. 289 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
  RSA93379  Leptosiphon latisectus Milo S. Baker 1953-5-10 12616 Tehama Logging road W of Paskentia near 10 mile post Comment
  UCD80636  Leptosiphon montanus CNPS SN Foothill Team 2005-5-15 SNNR 0024 Tehama On private property. 277 Comment
  HSC70011  Leptosiphon nuttallii subsp. howellii Thomas W. Nelson, Jane P. Nelson 1978-7-21 4441 Tehama Along Tedoc Rd., 10 mi. from junction with Hwy. 36, N side of Mt. Tedoc Comment
  CHSC79793  Leptosiphon parviflorus A. Hove; A. Poteet, C. Sanville 1999-4-17 14 Tehama Hwy 36 Beegum Gorge. 429 Comment
  RSA26595  Leptosiphon rattanii Alice Eastwood, J. T. Howell 1941-7-9 s.n. Tehama Log Spring Ridge between Log Spring and Government Flat. Comment
  RSA26166  Lesquerella occidentalis Alice Eastwood, J. T. Howell 1941-7-10 9859 Tehama Anthony Peak. Mendocino-Tehama Co. Comment
  CHSC61717  Lesquerella occidentalis subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1993-9-2 5917 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2377 Comment
  JEPS13256  Lesquerella occidentalis subsp. occidentalis Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-16 5322 Tehama e summit of Mt. Linn (exposed ridge-top of Yolla Bolly Mountain); South Yolla Bolly Mountain 2346 Comment
  JEPS20643  Lessingia leptoclada unknown 1917-8-7 Tehama Red Bluff Comment
  CAS-BOT-BC341758  Lessingia nana Ethel Wickes 1917-7-25 s.n. Tehama Red Bluff Comment
  UC1221737  Lessingia nana Beecher Crampton 1958-8-12 5071 Tehama 3.5 mi n Cana Comment
  CHSC102319  Lessingia nemaclada L. P. Janeway 2009-6-21 9820 Tehama Cascade Range Foothills. Tehama Wildlife Area; top of ridge between Little Grapevine Creek and Antelope Creek (at mouth of Indiana Creek); along East Grapevine Jeep trail 2.4 road km east of Ishi Road. 686 Comment
  CHSC91080  Lessingia nemaclada D. Isle 2002-8-29 276 Tehama Mendocino National Forest--North Coast Ranges. Grindstone Creek Watershed. Just below spring below curve in Rd. 23N53. 1554 Comment
  JEPS59021  Lessingia nemaclada John Thomas Howell 1960-7-24 36003 Tehama 10 mi ne Red Bluff Comment
  SD71322  Lessingia subspicata John T. Howell 1960-7-24 36003 Tehama 10 Miles northeast of Red Bluff Comment
  UC87986  Lessingia virgata T. S. Brandegee 1892-9-20 Tehama Red Bluff Comment
  UCD80085  Lessingia virgata CNPS SN Foothill Team 2005-5-17 SNNR 0195 b Tehama TNC Dye Creek Preserve. 235 Comment
  UC2014181  Leucanthemum vulgare Ellen Dean, M. Starbuck, D. H. S. Madrigals 2010-8-29 6870 Tehama Tehama County: Western edge of Lake Almanor off Hwy 89. Comment
  JEPS43362  Lewisia nevadensis W. L. Jepson 1927-6-24 12333 Tehama meadow, Mineral Mineral 1524 Comment
  CHSC68825  Lewisia triphylla Vernon Oswald; Lowell Ahart 1997-6-10 8569 Tehama Between Paskenta and Covelo on Forest Road 23N60 to Anthony Peak Lookout, 0.8 mi northwest of its junction with 24N02 near Wells Cabin Campground. 2005 Comment
  UC1731215  Lilium humboldtii subsp. humboldtii Dean W. Taylor 1997-6-6 16031 Tehama ridge dividing Rock Creek from Deer Creek; 3 air miles N of Cohasset; on north-side of ridge in Sulphur Creek drainage 975 Comment
  CAS-BOT-BC133040  Lilium washingtonianum subsp. washingtonianum Mrs. H. C. Cantelow 1938-7-5 2423 Tehama About 5 mi. s.w. Jct. 32-89 nr. Deer Creek Comment
  CHSC53965  Limnanthes douglasii subsp. rosea Vernon H. Oswald 1991-4-30 4548 Tehama Hog Lake on the west side of Hwy 36, 3.8 miles southwest of Dales. 268 Comment
  CHSC55503  Limnanthes floccosa subsp. floccosa Vivian L. Long 1991-4-4 8 Tehama Ca 2 m west of Hwy A6, 1.6 km north of Hwy 36, ca 0.8 km south of Dales Lake. 203 Comment
  CHSC117710  Limnobium spongia Lowell Ahart; John Dittes 2016-8-25 21310 Tehama South of the parking area, along a dirt road, about 300 yards west of the Sacramento River, Anderson River Park, 0.7 miles (air) upstream from Stillwater Creek Confluence 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  CHSC41096  Limosella acaulis Pauleen Broyles 1982-5-21 646 Tehama The Nature Conservancy Vina Plains Preserve. .5 km e of the juct. of Hwy. 99 and 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
  JEPS94151  Linanthus bolanderi Vernon Oswald and Lowell Ahart 1998-4-27 8971 Tehama w. of Red Bluff and s.w. of Platina (Pettyjohn Rd. 0.9 mi. w. of its junction w/ Weemasoul Rd., near a streamlet in a ravine running through an opening in chaparral) 597 Comment
  JEPS94333  Linanthus ciliatus Vernon H. Oswald and Lowell Ahart 1997-5-14 8448 Tehama 2.6 mi n of the bridge on Mill Creek at Black Rock between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29), 17.8 mi s of Plum Creek Road Mill Creek at Black Rock; Ponderosa Way 920 Comment
  CHSC83383  Linanthus dichotomus L. P. Janeway; Shirley Innecken 2002-3-14 7443 Tehama Inner North Coast Ranges. Vicinity of Williams Butte and Thomes Creek. 304 Comment
  CHSC83389  Linanthus dichotomus L. P. Janeway; Shirley Innecken 2002-3-5 7433 Tehama Inner North Coast Ranges. Vicinity of Williams Butte, Round Valley Road, and Thomes Creek. 335 Comment
  CHSC45351  Linanthus pungens Vernon Oswald 1986-7-24 2229 Tehama Brokeoff Mountain Trail, Lassen Volcanic National Park. 2682 Comment
  CDA6349  Linaria genistifolia subsp. dalmatica T. C. Fuller 1968-9-17 17613 Tehama House opposite the west end of the school yard, Scenic Avenue, Mineral. 0 Comment
  CDA6364  Linaria genistifolia subsp. dalmatica T. C. Fuller 1968-9-17 17615 Tehama Opposite the west end of the school yard, Scenic Avenue, Mineral. 0 Comment
  UCD104398  Lindernia dubia Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6861 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  CDA41687  Lindernia dubia var. anagallidea L. Ahart, John Dittes 2003-9-17 10592 Tehama On the south side of Deer Creek, about 400 yards east of Highway 99, about 5 miles (air) southeast of Los Molinos. Comment
  CHSC117721  Lindernia dubia var. anagallidea Lowell Ahart; John Dittes 2016-8-25 21313 A Tehama Along the west edge of the Sacramento River, Anderson River Park, 0.7 miles (air) upstream from Stillwater Creek Confluence 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  JEPS104374  Lindernia dubia var. anagallidea Lowell Ahart 2003-9-17 10592 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
  UCD32624  Linum Beecher Crampton 1954-6-16 1996 Tehama Tehama County, Round Mountain area, Whitlock Camp. 1219 Comment
  CHSC63231  Listera convallarioides Lowell Ahart 1994-7-24 7517 Tehama On the sides of Willow Creek, about 1/4 mile north of the dirt road, about 1 1/2 miles (air) north of Jonesville. 1645 Comment
  CHSC65075  Listera convallarioides Vernon H. Oswald; Lowell Ahart 1995-7-17 7087 Tehama Forest Road 30N16 0.5 mi N of Hwy. 36, ca. 2 mi NE of Mineral. 1572 Comment
  CHSC64370  Lithophragma bolanderi Vernon H. Oswald; Lowell Ahart 1995-3-19 6538 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 s rim of the basalt ridge in the ne corner of the reserve, ca. 300 ft w of Manton Rd. 225 Comment
  CHSC7035  Lithophragma bolanderi H. Alger 1969-4-19 20 Tehama East bank of Hooker Rd, 2.5 mi ne of Hooker Creek Rd. 152 Comment
  JEPS108563  Lithophragma glabrum L. P. Janeway 2005-6-12 8420 Tehama High Cascade Range. 0.5 km north of Wilson Lake 1628 Comment
  JEPS95953  Lithophragma parviflorum var. parviflorum Vernon H. Oswald and L. Ahart 1999-4-21 9715 Tehama McClure Place on the High Trestle-McClure Place Trail starting on Hogback Road ca. 0.5 mi northeast of Finley Lake: T28N R1E NE1/4 Sect. 23, 2000 ft, blue oak woodland 609 Comment
  UC1010436  Lithospermum californicum Milo S. Baker 1953-6-21 12756 Tehama logging road west of Paskenta Whisky Saddle 1448 Comment
  UC1278100  Lithospermum californicum Beecher Crampton 1953-4-30 1192 Tehama 1.5 mi s Paynes Creek Comment
  JEPS3553  Logfia filaginoides Milo S. Baker and H. K. Wagnon 1953-5-31 12698 Tehama logging rd w Paskenta (near 5 mi post in a burn) Comment
  CHSC66474  Logfia gallica Vernon H. Oswald; Lowell Ahart 1996-5-20 7597 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along Paynes Creek. 158 Comment
  CHSC79950  Logfia gallica L. P. Janeway 2000-5-16 6741 Tehama Vicinity of Rice Creek, west of Hwy I-5. 80 Comment
  JEPS103398  Logfia gallica Lowell Ahart 2002-4-27 9543 Tehama About 10 yards NW of the cattle guard, NW of where the road is wide and one can park, on the W side of the dirt road that leads to the tower, E of Road M2, ca 8 miles W of Paskenta. 609 Comment
  JEPS122124  Logfia gallica Lowell Ahart, John Dittes 2014-5-17 19510 -A Tehama About 50 yards west of the diversion dam on Mill Creek, about 5 miles (air) northeast of Los Molinos. Comment
  CHSC41054  Lolium multiflorum Pauleen Broyles 1982-4-8 378 Tehama The Nature Conservancy Vina Plains Preserve. 66 Comment
  CHSC91011  Lomatium David Isle 1995-5-2 1045 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. Nomlaki Trail extension (SE of Mud Flat Cpgd., between Mud Flat Rd 23N35 and Log Springs Rd). 609 Comment
  CHSC32610  Lomatium caruifolium var. denticulatum J. D. Jokerst 1980-5-13 581 Tehama Wurlitzer Ranch, ca 0.5 mi N of Pine Cr. 137 Comment
  CHSC96616  Lomatium caruifolium var. denticulatum Lowell Ahart; John Dittes, Josephine Guardino 2007-4-3 13613 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
  JEPS113217  Lomatium caruifolium var. denticulatum Lowell Ahart, John Dittes, Josephine Guardino 2007-4-3 13613 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
  JEPS25398  Lomatium caruifolium var. denticulatum Rimo Bacigalupi with G. T. Robbins 1959-4-21 7013 Tehama 1 1/4 mi. n.e. Little Inskip Hill (along Lane Valley rd., drainage of Morgan Creek, ca. 4 mi. n.-n.w. of Paynes Creek) 438 Comment
  UCD112026  Lomatium dasycarpum Christopher Mallek 2008-1 s.n. Tehama Raglin Ridge. 927 Comment
  CHSC42605  Lomatium dasycarpum subsp. dasycarpum Vernon Oswald 1986-5-23 2034 Tehama Round Valley Rd. (M4) 1.2 mi s of the road to Mud Flat. 365 Comment
  CHSC90693  Lomatium dasycarpum subsp. tomentosum D. Isle 1996-3-7 1004 Tehama Mendocino National Forest--North Coast Ranges. North Fork Stony Creek Watershed. Wilder Research Natural Area. 304 Comment
  CDA35767  Lomatium dasycarpum subsp. tomentosum J. R. Keck Jr. 1980-4-18 PDR# 330047 Tehama Red Bluff. 0 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
  CHSC117536  Lomatium dissectum var. multifidum Lowell Ahart; John Dittes 2016-6-22 21050 Tehama West side of Highway 32, Helipad Site, 1.0 mile (air) east of USFS Road 27N08 Bridge over Deer Creek, 3.0 miles (air) southwest of Potato Patch Campground. 1146 Comment
  CAS-BOT-BC211158  Lomatium howellii B. H. Mace 1917-7-9 25 Tehama Board Ridge 1584 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
  JEPS94157  Lomatium marginatum var. purpureum Vernon H. Oswald and Lowell Ahart 1998-4-27 8959 Tehama w. Red Bluff (Cannon Rd. 1.1 mi. w. of its junction w/ Hwy 36) 256 Comment
  SEINET13944635 Image available Lomatium tomentosum Lewis S. Rose 1954-1 54035 Tehama 1.5 mi N of Red Bluff, flood bed of Dibble Creek, alt. ca. 310 ft 94 Comment
  CHSC81264  Lotus corniculatus Caroline Warren; Heidi West 1999-6-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 316 Comment
  RSA424762  Lotus micranthus Aaron Liston, M. Blumler 1987-4-24 656 -1 Tehama Hwy 36 between Dales and Paynes Creek; 1.9 miles E of Dales. Comment
  JEPS94491  Lotus oblongifolius var. oblongifolius Vernon Oswald and Lowell Ahart 1997-7-7 8705 Tehama Forest Route 35 at Slide Creek near the ne corner of Yolla Bolly Middle Eel Wilderness Slide Creek; Yolla Bolly Middle Eel Wilderness, Slide Creek 1188 Comment
  UC1299185  Lotus oblongifolius var. oblongifolius Freed W. Hoffman 1949-7-19 3027 Tehama Regan Meadow, w Tehama County North Coast Ranges 1264 Comment
  JEPS102875  Lotus purshianus var. purshianus Lowell Ahart 2001-6-8 8773 Tehama On the W side of road M2, ca 9 miles W of Paskenta. 792 Comment
  RSA794946  Lotus purshianus var. purshianus L. Ahart, John Dittes, Josephine Guardino 2009-8-27 16314 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
  UC725817  Lotus purshianus var. purshianus A. A. Heller 1937-7-10 Tehama Deer Creek Highway Comment
  JEPS100675  Lotus rubriflorus Dean W. Taylor 1993-5-14 13445 Tehama 1 mile WNW of Dales Lake (Manton Road, County Road A6), right of way of Pacific Gas Pipeline, 300 yds N of Section Line 190 Comment
  JEPS104024  Lotus wrangelianus Lowell Ahart 2003-4-17 10109 Tehama Along the trail, on the n side of Dye Creek, ca 1/2 mi e of the Dye Creek buildings, Dye Creek Preserve, ca 6 mi (air) ne of Los Molinos. 174 Comment
  CHSC105947  Ludwigia palustris Lowell Ahart; John Dittes 2010-7-17 16847 Tehama Bare strand of the pond, dam on the west side of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 812 Comment
  RSA90606  Lupinus adsurgens var. lilacinus Milo S. Baker, H. K. Wagnon 1953-6-21 12781 Tehama Logging road west of Paskenta. 1372 Comment
  CHSC101435  Lupinus albifrons var. collinus David Isle 1990-5-2 1541 Tehama Pollard Superior Tree Progeny Site, N of 24N01.2. 1280 Comment
  CAS-BOT-BC196238  Lupinus albifrons var. eminens Milo S. Baker; H. K. Wagnon 1953-6-21 12783 Tehama West of Paskenta 1524 Comment
  SBBG3539  Lupinus arbustus H. and M. Dearing 1938-6-23 2109 Tehama Deer Crk 1249 Comment
  JEPS95686  Lupinus bicolor Vernon H. Oswald and L. Ahart 1995-4-10 6627 Tehama 1 mi N of Dales Station on Hwy. 36; Manton Rd.; 14 mi ne of Red Bluff 213 Comment
  HSC49149  Lupinus bicolor J. O. Sawyer, R. J. Cole 1979-3-11 3331 Tehama Vina Plains, Hwy. 99 at intersection with Lassen Rd. Comment
  HSC89714  Lupinus bicolor Collin Dillingham, Robin Lewellyn, Scott Hill 1989-4-1 40 Tehama 1/4 mi. from Tedoc Rd. (F.S. 45) from intersection with Hwy. 36 549 Comment
  CHSC102352  Lupinus bicolor var. pipersmithii L. P. Janeway 2009-3-28 9653 A Tehama Cascade Range Foothills. Tehama Wildlife Area; along West Grapevine Jeep Trail 1.9 km west of the power lines; ridge top north of Little Grapevine Creek. 503 Comment
  HSC71550  Lupinus densiflorus J. P. Smith, J. O. Sawyer 1975-6-1 8179 Tehama Hwy. 36, 3.2 mi. E of Dry Creek Bridge Comment
  SEINET10490342  Lupinus grayi H. Dearing, M. Dearing 1938-6-22 Dearing 2062 Tehama Potato patch camp, deer creek. Comment
  RSA90611  Lupinus latifolius subsp. latifolius Milo S. Baker, H. K. Wagnon 1953-6-21 12792 Tehama Logging road west of Paskenta above Hendersons Canyon. Comment
  UC1034638  Lupinus latifolius var. viridifolius Milo S. Baker 1955-7-25 13064 Tehama ca 1 or 2 mi beyond Whitlock Camp along country rd Klamath Mountains (Mendocino National Forest, Klamath Mountains, w Tehama Co.); , Mendocino National Forest 1524 Comment
  JEPS108884  Lupinus lepidus var. sellulus Lowell Ahart 2006-7-19 13032 Tehama North edge of an open dry flat, about 100 yards west of the dirt road, about 50 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525 Comment
  CDA27501  Lupinus microcarpus var. densiflorus G. D. Barbe 1985-4-5 4209 Tehama West of Red Bulff. Comment
  UCD108831  Lupinus microcarpus var. microcarpus A. A. Beetle 1945-5-20 3859 Tehama western part of the county, southeast of Beegum. Comment
  CHSC55219  Lupinus nanus var. apricus L. P. Janeway 1991-4-18 3897 Tehama Battle Creek Wildlife Area. Tablelands on south side of and above Battle Creek, ca. 1 1/2 mi east of the Sacramento River. 167 Comment
  RSA424767  Lupinus nanus var. apricus Aaron Liston, M. Blumler 1987-4-24 655 -8 Tehama Hwy 36 between Dales and Paynes Creek; 2 miles E of Paynes Creek. Comment
  CHSC67435  Lupinus nanus var. latifolius James D. Jokerst 1983-5-7 1739 Tehama Wurlitzer Ranch on the banks of Zimmershed Creek ca. 0.7 mi E of Meridian Rd. in area of old house site shown on USGS map. 103 Comment
  CHSC85307  Lupinus obtusilobus John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 783 Tehama High North Coast Range; Yolla Bolly-Middle Eel Wilderness; South Yolla Bolly Mountains; north slope of eastern ridge of Mt. Linn; ca. 0.6 air-mile east of Square Lake, along trail to Square Lake. 2159 Comment
  HSC89698  Lupinus pachylobus Collin Dillingham, Robin Lewellyn, Scott Hill 1989-4-1 39 Tehama Hwy. 36 about 11 mi. E of Sacramento River in Red Bluff 274 Comment
  CHSC48566  Lupinus succulentus Vernon Oswald 1983-3-28 213 Tehama Near Black Butte Dam. 152 Comment
  CHSC67220  Lupinus succulentus James D. Jokerst 1983-4-17 1708 Tehama Barber Lane leading to Wurlitzer Ranch 1.25 mi E of Meridian Rd. 114 Comment
  RSA0036473  Lupinus vallicola subsp. apricus Daisie Huang 2006-4-15 06041516 Tehama Manton Rd. 203 Comment
  CAS-BOT-BC499132  Luzula cascadensis Peter F. Zika 2012-7-14 25986 Tehama Yolla Bolly Mountain Trail, c. 0.5 mi W of Cold Fork Trail junction, Yolla Bolly Mountains 2130 Comment
  JEPS122424  Luzula cascadensis Peter F. Zika 2012-7-14 25983 Tehama Bank of Route 35, 0.5 road miles NW of junction with FS Road 27N13, 1.5 air miles SE of Rat Trap Gap, Yolla Bolly Mountains. North Coast Range Highlands (NCoRH) 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
  RSA768933  Lycopus americanus L. Ahart, John Dittes 2010-10-4 17282 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
  CHSC88264  Lythrum hyssopifolia Lowell Ahart; Samantha Mackey Hillaire 2004-7-9 11198 Tehama Seep on the north side of the Mill Creek Trail (4E10), north of Mill Creek, about 3/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. 655 Comment
  JEPS97389  Lythrum hyssopifolia Vernon H. Oswald and L. Ahart 1995-6-13 6847 Tehama T29N R2W NE1/4 SW1/4 Sec. 26, 720 ft, Cascade Range Foothills, stony Tuscan loam. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff 219 Comment
  CHSC113034  Lythrum tribracteatum Lowell Ahart 2013-8-2 18987 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
  CHSC116178  Lythrum tribracteatum Lowell Ahart; John Dittes 2015-6-22 20253 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 Lost Molinos. 74 Comment
  JEPS120785  Lythrum tribracteatum Lowell Ahart 2013-9-17 19036 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
  CHSC77546  Madia citriodora Heidi West; Caroline Warren, Julie Cunningham 1998-4-27 Tehama Vicinity of Red Bank Creek, The Narrows, and Dry Creek. 274 Comment
  CHSC61406  Madia glomerata Vernon H. Oswald; Lowell Ahart 1993-8-18 5849 Tehama Lassen Volcanic National Park. E slope of Mt. Conard near the S boundary of the park. 2115 Comment
  CHSC94503  Madia glomerata Lowell Ahart 2006-8-15 13198 Tehama East of Colby Creek, west of the poor dirt road, about 3/4 mile northwest of the Snowmobile Area, about 1 1/4 miles (air) northwest of Jonesville, about 4 3/4 miles (air) northeast of Butte Meadows. 1503 Comment
  CHSC64950  Madia gracilis Vernon H. Oswald; Lowell Ahart 1995-7-12 7015 Tehama High North Coast Ranges. W of Red Bluff and S of Platina on Forest Route 45 (Tedoc Mtn. Rd.), 4.9 mi S of Hwy. 36. Roadside. 1097 Comment
  UCD104386  Madia gracilis Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6855 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  RSA724884  Madia gracilis subsp. gracilis L. Ahart 2006-8-15 13197 Tehama East of Colby Creek, west of the poor dirt road, about 3/4 miles (air) northwest of the Snowmobile Area, about 1.25 air miles NW of Jonesville, about 4.75 miles (air) northeast of Butte Meadows. 1504 Comment
  UC1619987  Madia minima Barbara Ertter, Brad Olson 1991-7-6 10371 Tehama ca. 30 airmiles w. Croning (Rocky Cabin meadow ca. 1 mi. s. of Ball Rock, around campsite at w. end of meadow, 1 mi. s.e. of Cold Spring Forest Station) 1889 Comment
  SEINET5339031  Mahonia californica Unknown 1956-4-27 s.n. Tehama 25 miles east of Red Bluff on Calif. highway 36. 610 Comment
  RSA67169  Mahonia repens P. A. Munz 1951-7-24 16838 Tehama Road from Red Bluff, east slope of South Yolla Bolly Mts. 915 Comment
  CHSC43955  Maianthemum stellatum V. Oswald; L. Ahart 1988-5-21 3332 Tehama Patton Mill nw of Paskenta. Along Mill Creek. 1085 Comment
  JEPS3549  Malacothrix clevelandii Milo S. Baker and H. K. Wagnon 1953-5-10 12644 Tehama 5 to 7 mi w Paskenta (w Tehama County) Comment
  JEPS36778  Malacothrix floccifera W. L. Jepson 1899-4-29 Tehama Manzanita Flat Comment
  UC2027197  Malacothrix floccifera Anthony Baniaga 2011-7-23 457 Tehama Lassen National Forest. On decomissioned 27N02, before it forks to spurs. Onion Butte quadrangle Comment
  UC589692  Malacothrix floccifera Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  RSA90790  Malacothrix floccifera Milo S. Baker 1953-5-9 12592 Tehama Logging road 6 miles west of Paskenta Comment
  CHSC83074  Malvella leprosa Lowell Ahart 2002-11-5 10016 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
  CHSC27836  Matricaria discoidea Eric J. Miller 1978-4-24 9 Tehama Ca. 1 km w of Sacramento River at Woodson Bridge. 28 Comment
  CHSC96664  Matricaria discoidea Lowell Ahart 2007-5-8 13745 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
  OBI55507  Matricaria discoidea David J. Keil, Kathleen Keil 1992-7-25 23594 Tehama Lassen Natl Forest along hwy 89. 0.8 mi S of Lassen Volcanic Natl Park S boundary Comment
  CHSC66047  Medicago arabica Vernon H. Oswald 1996-5-6 7524 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. Growing along Paynes Creek. 124 Comment
  JEPS94152  Medicago minima Vernon Oswald and Lowell Ahart 1998-4-27 8979 Tehama Vestal Rd. at ATT fiber optics cable post 8/113 6.1 mi. s. of Hwy. 36 between Red Bluff and Platina 304 Comment
  JEPS65512  Medicago polymorpha J. W. Blankinship 1911-4-25 Tehama Comment
  JEPS88445  Medicago praecox Vernon H. Oswald and Lowell Ahart 1996-4-3 7303 Tehama n.w. Corning (CDFG parcel on s. side of Gyle Rd., along intermittent stream ca. 0.4 mi. e. of the dirt lane along w. side of parcel); n.w. Sacramento Valley, Thomes Creek Ecological Reserve 103 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
  UCD80569  Melica aristata CNPS SN Foothill Team 2005-6-30 SNNR 0449 a Tehama USFS Lassen National Forest, south of the Lassen Trail. 1068 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
  UCD32618  Melica geyeri Beecher Crampton 1954-6-16 1986 Tehama Tehama County, 1 mile north of Hawell Saddle. 1920 Comment
  CHSC4059  Melilotus indicus J. Wheeler 1967-4-30 19 Tehama Locally sparse along creek and Paskenta Rd, Comment
  JEPS118026  Melilotus indicus Lowell Ahart, John Dittes 2011-6-9 17459 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
  UCD104394  Mentha canadensis Ellen Dean; M. Starbuck, DHS Madrigals 2010-8-29 6859 Tehama Western edge of Lake Almanor off Hwy 89. 1371 Comment
  CHSC65059  Mentha pulegium Vernon H. Oswald; Lowell Ahart 1995-7-17 7068 Tehama Cascade Range Foothills. Manton Rd. (A6) ca. 1.5 mi N of Dales Station on Hwy. 36, ca. 14 mi NE of Red Bluff. Common in gravel along the margins of the marshy borrow pit on the E side of road. 213 Comment
  CHSC82306  Mentzelia dispersa Lowell Ahart 2002-4-27 9560 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
  JEPS101781  Mentzelia dispersa Dean W. Taylor 1997-7-24 16146 Tehama Tomhead Mountain; Yolla Bolly Mtns. 1996 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
  CAS-BOT-BC428684  Micranthes bryophora George W. Gillett 1957-8-13 1052 Tehama Lassen Volcanic National Park. Brokeoff Mountain Trail. Near trail and 1/4-mile above Sulphur Works Checking Station. 2072 Comment
  CHSC56087  Micranthes californica Kate A. Hanson 1977-3-30 Tehama Ca 1.6 km southeast of Round Valley Road, ca 6.4 km northwest-north of intersection of Round Valley Road and Newville Road; ca 38.4 km northwest-north of Corning. Hillside. 450 Comment
  CAS-BOT-BC429094  Micranthes odontoloma P. A. Munz 1951-7-25 16842 Tehama Square Lake, n. base of South Yolla Bolly Mts. 2148 Comment
  SJSU5119  Micranthes oregana R. L. MacDonald & N. D. Addy 1962-6-30 Tehama Childs Meadow on State Rte 36 1508 Comment
  CHSC96670  Micropus californicus var. californicus Lowell Ahart 2007-5-8 13715 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. 111 Comment
  HSC65818  Micropus californicus var. californicus C. Macdonald, P. Powers, C. Raley, J. Spitler, D. Stamp 1980-5-3 85 Tehama 1.5 mi. SSW of BM1797 on Rd. 29N15 610 Comment
  UCD134483  Micropus californicus var. californicus Joseph M. DiTomaso 1976-3-28 379 Tehama 1.5 miles north of Butte County line on Highway 99. Comment
  CDA15857  Microseris douglasii G. F. Hrusa, J. Hart 2000-4-8 15302 Tehama Sacramento Valley; Coyote Creek Conservation Area. Comment
  CDA16179  Microseris douglasii subsp. douglasii G. F. Hrusa, J. Hart 1999-4-29 15032 Tehama Sacramento Valley; Coyote Creek Conservation Area, S of Red Bluff. On dry, gravelly slopes with Calycadenia fremontii sensu stricto. Occasional at this site, not seen elsewhere. 152 Comment
  CHSC64695  Microseris douglasii subsp. douglasii Vernon H. Oswald; Lowell Ahart 1995-5-9 6719 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. On the edge of the wetland just sw of Pool 20. 213 Comment
  CHSC78615  Microseris douglasii subsp. douglasii Julie Cunningham; Heidi West, Caroline Warren 1998-4-27 Tehama Vicinity of Red Bank Creek, The Narrows, and Grizzly Creek. 274 Comment
  JEPS36164  Microseris douglasii subsp. douglasii R. F. Hoover 1937-5-19 2250 Tehama near Vina Comment
  JEPS97260  Microseris douglasii subsp. douglasii Vernon H. Oswald and L. Ahart 1995-5-9 6719 Tehama T29N R2W NE1/4 NW1/4 Sec. 26, 700 ft, Cascade Range Foothills. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 213 Comment
  UC468886  Microseris douglasii subsp. tenella W. L. Jepson Tehama South Yolla Bolly Comment
  CHSC64396  Microsteris gracilis Vernon H. Oswald; Lowell Ahart 1995-3-6 6509 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 1.4 mi ne of Red Bluff. 213 Comment
  CHSC117348  Mimetanthe pilosa B. Castro; L. P. Janeway 2015-7-13 2101 Tehama Sacramento Valley. In bottom of Thomes Creek channel, ca 1.25 mi Wf Hwy I-5 and ca 50 ft E of the Rawson Rd bridge. N S side of dry creek bed. 91 Comment
  CHSC66211  Mimetanthe pilosa Vernon H. Oswald; Lowell Ahart 1996-6-3 7704 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Growing along Paynes Creek ca. 0.3 mi downstream from the old bridge site. 103 Comment
  CHSC77800  Mimetanthe pilosa B. Castro; L. P. Janeway 1999-6-21 988 Tehama About 22 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek. 330 Comment
  UC1239058  Mimulus Freed W. Hoffman 1950-6-30 3710 Tehama 8 mi w Paskenta; North Coast Ranges Comment
  UC725664  Mimulus bicolor A. A. Heller 1937-6-26 15347 Tehama w Deer Creek Meadows; Deer Creek 1371 Comment
  JEPS3544  Mimulus bolanderi Milo S. Baker and H. K. Wagnon 1953-5-10 12638 Tehama logging road w Paskenta (near 7 mi post) Comment
  RSA125976  Mimulus bolanderi E. K. Balls 1957-5-24 22541 Tehama State Hwy. 36, 5.7 miles E of Tehama-Shasta County line. 427 Comment
  UC1239034  Mimulus breweri Freed W. Hoffman 1947-6-23 1677 Tehama Government Flat North Coast Ranges 796 Comment
  POM252821  Mimulus breweri A. A. Heller 1938-7-28 15293 Tehama Mineral-Lassen Park Highway. 1677 Comment
  JEPS105962  Mimulus cardinalis Lowell Ahart 2004-6-28 11130 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta 213 Comment
  JEPS10569  Mimulus douglasii Virginia Bailey 1938-4-16 Tehama 6 mi w Paskenta (on Paskenta-Covelo road) Comment
  JEPS101528  Mimulus glaucescens Dean W. Taylor 1997-5-30 16006 Tehama Ponderosa Way in canyon Soap Creek 822 Comment
  JEPS104104  Mimulus guttatus Lowell Ahart 2003-8-23 10534 Tehama Along and in a small streamlet, on both sides of the trail, ca 1/4 mi from the campsite as one hikes to Square Lake, ca 1 mi ne of Mount Linn, South Yolla Bolly. 2118 Comment
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Jul 29 2009
  SBBG119877  Mimulus guttatus L. Ahart, J. Dittes 2003-8-23 10535 Tehama ca. 0.25 mi from the campsite as one hikes to Square Lake, ca. 1 mi NE of Mt Linn, S of Yolla Bolly 2118 Comment
  SEINET12334066  Mimulus guttatus Unknown 1976-1 1 Tehama Birch Creek, ca 0.5 mi S of Corning Rd, 2.5 mi W of Corning 82 Comment
  JEPS110086  Mimulus inodorus Lowell Ahart 2006-8-15 13194 Tehama Bottom of a small wash, east of Colby Creek, west of the poor dirt road, about 3/4 mile northwest of the Snowmobile Area, about 1 1/4 miles (air) northwest of Jonesville, about 4 3/4 miles (air) northeast of Butte Meadows Comment
  UC2031489  Mimulus kelloggii Barbara Ertter with Brad Olson 1991-7-4 10273 Tehama Toomes Camp/Ball Rock Road 16.1 mi W of Paskenta, 2 mi SE of Kingsley Glade/Maxin junction ca 28 air miles W of Corning Comment
  RSA21516  Mimulus kelloggii Carl B. Wolf 1937-5-16 8702 Tehama Northern Sierra Nevada Foothills, Red Bluff - Susanville Road, 2.3 miles below Paynes Creek P.O. 366 Comment
  JEPS105878  Mimulus latidens Lowell Ahart 2004-4-29 10789 Tehama On the northeast side of Dead Rabbit Lake, east of the Nomalaki Trail, about 3/4 mile northwest of Bowers Creek, about 1 1/2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta 571 Comment
  HSC74969  Mimulus layneae J. P. Smith, Thomas W. Nelson 1979-6-24 10180 Tehama Rd. to Stuart Gap, 0.8 mi. from Tedoc Gap. 1372 Comment
  RSA93036  Mimulus layneae Milo S. Baker, H. K. Wagnon 1953-5-30 12676 Tehama About 5 mi W of Paskenta but 5 east of logging road. Comment
  JEPS10994  Mimulus lewisii Jos. Grinnell 1928-7-4 Tehama near Mineral; Martin Creek 1524 Comment
  JEPS102575  Mimulus microphyllus Lowell Ahart 2001-6-8 8791 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  CHSC49004  Mimulus moschatus Vernon Oswald 1986-6-18 2122 Tehama Round Valley Rd. (M4) 37.7 mi w of Paskenta. 1584 Comment
  CHSC88284  Mimulus moschatus Lowell Ahart 2004-6-28 11142 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta. 213 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
  JEPS17626  Mimulus nanus var. nanus Rimo Bacigalupi with G. Thomas Robbins, Keith Wagnon and Douglas Barbe 1955-7-17 5334 Tehama 3/4 mi e and above Somerset Meadow (1.2 mi below and s of Ovenlid); High North Coast Ranges 1889 Comment
  UC1019535  Mimulus nanus var. nanus Louise Kellogg 1952-7-12 31 Tehama South Yolla Bolly Mountain, Middle Eel-Yolla Bolla Primitive Area North Coast Ranges, Mendocino National Forest 2438 Comment
  RSA40174  Mimulus nanus var. nanus J. T. Howell 1943-8-8 19191 Tehama Anthony Peak, Tehama-Mendocino Co. Comment
  UC886227  Mimulus nasutus A. A. Heller 1914-4-29 11339 Tehama 8 mi s Vina; Pine Creek Comment
  CDA13580  Mimulus pilosus G. F. Hrusa 1996-8-17 13504 Tehama Sacramento Valley; Blue Tent Creek immediately downstream from Jelly's Ferry Rd. crossing, and adjacent to Interstate 5. Comment
  JEPS108880  Mimulus primuloides subsp. primuloides Lowell Ahart 2006-7-19 13024 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
  JEPS102404  Mimulus torreyi Lowell Ahart 2001-6-8 8792 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS126571  Mimulus torreyi Lowell Ahart, John Dittes 2016-6-22 21028 Tehama About 1/2 mile southwest of the fish ladder on Deer Creek, about 0.6 mile (air) northeast of USFS Road 27N08 Bridge over Deer Creek, about 2 1/2 miles by trail to Highway 32. Comment
  JEPS8149  Mimulus torreyi Jos. Grinnell 1925-6-1 Tehama Mineral 1463 Comment
  JEPS8150  Mimulus torreyi W. L. Jepson 1927-6-21 12275 Tehama Mineral 1524 Comment
  JEPS86929  Mimulus torreyi David M. Thompson 1986-6-27 553 Tehama Hwy 36 Plumas Co. line 1490 Comment
  UC1557994  Mimulus torreyi Barbara Ertter 1989-5-3 8439 Tehama Deer Creek Rd (Rt 32) at milepost 12.00 (e side of creek 20 air mi sw of Chester); Deer Creek 975 Comment
  CHSC40713  Minuartia californica Pauleen Broyles 1982-3-25 354 Tehama The Nature Convercancy Vina Plains Preserve. 60 Comment
  CHSC102334  Minuartia cismontana L. P. Janeway; B. Castro 2009-4-25 9741 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
  CHSC80545  Minuartia cismontana Vernon H. Oswald; Lowell Ahart 2001-5-7 10021 Tehama Forest Road 26N15 5.2 mi west of Hwy 32, between Soda Springs and Cohasset Ridge. 1079 Comment
  HSC74848  Minuartia douglasii J. P. Smith, Thomas W. Nelson 1978-7-22 10036 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  JEPS94363  Minuartia douglasii Vernon H. Oswald and Lowell Ahart 1997-5-14 8457 Tehama between Mill and Deer Creeks on Ponderosa Way (Forest Road 28N29) at Moak Trailhead, on e side of the road Moak Trailhead; , Ponderosa Way 1121 Comment
  RSA105342  Minuartia nuttallii subsp. fragilis G. D. Barbe 1955-7-16 165 Tehama Around Oven Lid; Mendocino National Forest. 1921 Comment
  CHSC61725  Minuartia nuttallii subsp. gregaria Vernon H. Oswald; Lowell Ahart 1993-9-2 5903 Tehama Ridge running E from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2407 Comment
  UC1609307  Minuartia nuttallii subsp. gregaria Vernon H. Oswald and Lowell Ahart 1993-9-2 5903 Tehama ridge running e from Mt. Linn (ca 20 air mi nw of Paskenta); South Yolla Bolly Mtns. 2407 Comment
  JEPS75815  Mitella pentandra Todd and Virginia Keeler-Wolf 1971-7-27 392 Tehama 1/8 mi w Kingsley Lake; Yolla Bolly Mountains 2011 Comment
  JEPS94985 Image available Mitella trifida Vernon Oswald and Lowell Ahart 1997-7-7 8716 Tehama 0.4 mi w of Rat Trap Gap (Forest Route 35 at a branch of the South Fork of Beegum Creek, n side of the Yolla Bolly-Middle Eel Wilderness); Yolla Bolly-Middle Eel Wilderness, South Fork of Beegum Cree 1706 Comment
  JEPS95118  Mitella trifida Vernon Oswald and Lowell Ahart 1997-7-7 8716 Tehama 0.4 mi w of Rat Trap Gap (Forest Route 35 at a branch of the South Fork of Beegum Creek, n side of the Yolla Bolly-Middle Eel Wilderness); Yolla Bolly-Middle Eel Wilderness, South Fork of Beegum Cree 1706 Comment
  CHSC116173  Mollugo verticillata Lowell Ahart; John Dittes 2015-6-2 20252 Tehama About 1/4 mile north of Lassen Road, about 1.6 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
  CHSC66091  Mollugo verticillata Vernon H. Oswald; Lowell Ahart 1996-5-27 7640 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Locally abundant on a gravel bar along the creek ca. 0.3 mi E of the W boundary of the reserve (W end of the large meander plain of the creek). 102 Comment
  JEPS104375  Mollugo verticillata Lowell Ahart 2003-9-17 10585 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
  CAS-BOT-BC318601  Monardella odoratissima J. M. Tucker; L. K. Mann 1959-7-19 3549 Tehama Ca. 75 ft. below the summit, South Yolla Bolly Mountain. 2443 Comment
  HSC36123  Monardella odoratissima Judith G. Dickson 1973-7-2 Tehama N Yolla Bolly Mtns., S Fork Beegum Creek, Beegum Basin 1524 Comment
  HSC70136  Monardella odoratissima Thomas W. Nelson, Jane P. Nelson, J. P. Smith 1978-7-22 4462 Tehama At jct. of Tedoc Rd. and road to summit of Mt. Tedoc Comment
  HSC82159  Monardella odoratissima Thomas W. Nelson, Jane P. Nelson 1979-6-25 4925 Tehama Along F.S. Rd. 45 at mile post 11, W slope of Mt. Tedoc 1372 Comment
  CAS-BOT-BC215503  Monardella odoratissima C. Hart Merriam 1916-9-1 s.n. Tehama Top of South Yolla Bolla Comment
  JEPS63391  Monardella odoratissima subsp. pallida Jos. Grinnell 1925-7-21 Tehama Mineral 1463 Comment
  LA47659  Monardella odoratissima subsp. pallida J. M. Tucker; L. K. Mann 1959-7-19 3549 Tehama 75 ft below the summit, South Yolla Bolly Mountain 2442 Comment
  UC1609133  Monardella purpurea Vernon H. Oswald and Lowell Ahart 1993-9-2 5894 Tehama Ridge running east from Mt. Linn, South Yolla Bolly Mtns., ca. 20 mi (air) NW of Paskenta. 2346 Comment
  JEPS106300  Monardella villosa subsp. villosa Lowell Ahart 2004-6-11 11018 Tehama Open area, northwest side of the Nomalaki Trail, about 100 yards north of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta 553 Comment
  JEPS35221  Monolopia major Blankinship 1911-4-7 Tehama Corning Comment
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Feb 9 2019
  CHSC64364  Montia fontana subsp. chondrosperma Vernon H. Oswald; Lowell Ahart 1995-2-22 6495 Tehama Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 1 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. Growing in a wet depression in grassland on the w side of Dales Lake n of Inks Creek Rd. 213 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
  CHSC102666  Muhlenbergia filiformis Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16345 Tehama On damp dark soil (humus), west side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. T29N, R4E, area between southeast 1/4 Section 23 and southwest 1/4 Section 24. 1493 Comment
  CHSC102679  Muhlenbergia filiformis Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16345 -A Tehama West side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2,600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. T29N R04E, area between southeast 1/4 Section 23 and southwest 1/4 Section 24. 1493 Comment
  RSA755209  Muhlenbergia filiformis L. Ahart, John Dittes, Josephine Guardino 2009-8-27 16345 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
  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
  UC1949305  Muhlenbergia rigens Barbara Ertter with Brad Olson 1991-7-5 10300 Tehama at edge of Long Gulch; Metzger Ranch at confluence of Big and Little Crane Creeks [= Stiver's Ranch], ca 15 airmiles WNW of Red Bluff Comment
  UCR78376  Myosotis laxa Barbara Ertter 1989-7-4 8693 Tehama 1.4 mi east of Mineral on Hwy 36 at Conard Grove LP, upper edge of Battle Creek Mdws along Nanny Creek 1524 Comment
  JEPS97501  Myosurus apetalus Vernon H. Oswald and Lowell Ahart 1995-4-10 6630 Tehama 1 mi N of Dales Station (W side of Manton Rd., 14 mi NE of Red Bluff); Dales Lake Ecological reserve, Cascade Range foothils 213 Comment
  CHSC113329  Myosurus minimus Lowell Ahart; John Dittes 2014-5-18 19520 Tehama Along the east side of the canal, about 100 yards south of the bridge, about 1 1/2 miles east of the end of Lyon Cattle Road, about 3 1/2 miles (air) northeast of Los Molinos. 99 Comment
  CHSC113352  Myosurus minimus Lowell Ahart 2014-5-8 19452 Tehama About 1/10 mile north of the restroom and the paved road to Berris Creek, west of Berris Creek, south of Kendrick Creek, strand of Black Butte Reservoir, about 12 miles (air) southwest of Corning. 148 Comment
  CHSC62942  Myosurus minimus Vernon H. Oswald; Lowell Ahart 1994-4-6 6077 Tehama Burris Creek Arm of Black Butte Lake, on the shoreline near the E end of Morrison-Bryant Rd. Below the normal high water line of the lake. 144 Comment
  JEPS97339  Nama lobbii Vernon H. Oswald and L. Ahart 1995-7-17 7096 Tehama T29N R4E NE1/4 SE1/4 Sec. 8, 5840 ft, High Cascade Range, transition to Red Fir Forest, volcanic soils. Forest Road 29N22 2.2 mi W of Hwy. 89, ca. 2.5 mi SSE of the SW corner of Lassen Volcanic National Park 1780 Comment
  UC726889  Nama lobbii A. A. Heller 1937-7-21 15930 Tehama near the Sulphur Works entrance to Lassen Volcanic National Park Sulphur Works entrance to Lassen Volcanic National Park; nr entrance Lassen Volcanic National Park Comment
  CHSC101598  Nassella cernua David W. Isle; Rhonda Isle 2002-4-19 1685 Tehama Approximately 3 miles north of junction of Black Butte Road (from Black Butte Reservoir west of Orland to Paskenta Road west of Corning). North of Black Butte Road along the E-W stretch lath parallels the eucalyptus grove adjacent and south of B.B. Road. Comment
  CHSC81429  Nassella cernua L. P. Janeway; Shirley Innecken 2001-5-16 7046 Tehama Vicinity of Williams Butte, Round Valley Road, and Thomes Creek. 365 Comment
  CHSC41068  Nassella pulchra Pauleen Broyles 1982-5-6 543 Tehama The Nature Conservancy Vina Plains Preserve. On w side of Sheep Camp Ditch. 66 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
  UCSB63933  Nasturtium officinale Oswald, Vernon; Ahart, Lowell 1996-5-6 Tehama BLM parcel along Hwy. 36 NE of Red Bluff in Tehama Co.; T28N R3W NW1/4 Sw1/4 Sect.13; Cascade Range Foothills; along Payness Creek at this location 124 Comment
  UC1025117  Navarretia divaricata Douglas Barbe 1955-7-17 215 Tehama Cold Spring Camp 1889 Comment
  JEPS101682  Navarretia divaricata subsp. divaricata Dean W. Taylor 1997-7-18 16134 Tehama Ball Rock 1981 Comment
  CHSC105935  Navarretia filicaulis Lowell Ahart; John Dittes 2010-7-17 16851 Tehama Near the fence, about 100 yards southeast of the pond, Soap Creek Ranch, about 4.8 miles (air) southeast of Manton, about 2 miles (air) north of Highway 36. 819 Comment
  RSA757308  Navarretia filicaulis Barbara Ertter, James R. Shevock 1992-6-14 11201 Tehama Mill Crek Rim on north side of Mill Creek, Ponderosa Way 3.6 miles north of Mill Creek Crossing, about 13 air miles southwest of Mineral. 1067 Comment
  JEPS118069  Navarretia heterandra Lowell Ahart, John Dittes 2011-6-9 17436 Tehama Rio De Los Molinos Land Grant. Open flat, about 100 yards east 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
  RSA107405  Navarretia heterandra L. S. Rose 1955-6-19 s.n. Tehama Hog wallow, 8.5 miles S of Corning 91 Comment
  SD71269  Navarretia heterandra John Thomas Howell 1955-6-12 30305 Tehama Rolling plains, 8.5 miles south of Corning. Comment
  UC1111586  Navarretia heterandra Herbert L. Mason 1947-5-18 14787 Tehama 1 mi w Corning Comment
  UCD36229  Navarretia heterandra Beecher Crampton 1953-4-29 1154 Tehama Tehama County, 6 miles south of Dales, along Route 36. Comment
  CHSC64719  Navarretia intertexta subsp. intertexta Vernon H. Oswald 1995-5-22 6747 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. On the margin of Dales Lake (e side). 213 Comment
  RSA756866  Navarretia intertexta subsp. intertexta Barbara Ertter, James R. Shevock 1992-6-14 11152 Tehama Plum Creek Road 1.8 miles south of Paynes Creek (town). 610 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
  HSC82434  Navarretia leptalea Thomas W. Nelson, Jane P. Nelson, R. J. Cole 1979-7-27 5060 Tehama Along old logging rd. W side of USFS Rd. at Pole Corral Gap 1311 Comment
  UC1950115  Navarretia leucocephala subsp. bakeri Barbara Ertter with Brad Olson 1993-5-15 11825 Tehama BLM land; south of road; Spring Branch Road south of Battle Creek ca 15 airmiles NNE of Red Bluff Comment
  UC2042991  Navarretia leucocephala subsp. leucocephala Barbara Ertter with Brad Olson 1993-5-15 11790 Tehama Jellys Ferry Road ca. 6 miles NNE of Interstate Highway 5 north of Red Bluff. Comment
  RSA91810  Navarretia leucocephala subsp. minima Beecher Crampton 1953-4-29 1151 Tehama About 2 miles east of Corning Comment
  JEPS76637  Navarretia linearifolia subsp. pinnatisecta L. R. Heckard 1972-6-18 2990 Tehama sw of Tedoc Mt.; sw of Tedoc Mt. 1371 Comment
  CDA40125  Navarretia mellita L. Ahart 2004-6-11 11045 Tehama East of a small seep across and on the north side of the Nomalaki Trail, about a 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. Comment
  CHSC102240  Navarretia pubescens L. P. Janeway 2009-4-21 9807 Tehama Cascade Range Foothills. Tehama Wildlife Area; along Ishi Road 3.5 road km south of Hogback Road; upper slope of an un-named short tributary (from the north) into Antelope Creek. 649 Comment
  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
  RSA600379  Navarretia pubescens L. C. Wheeler 1935-5-23 3521 Tehama 9 miles E of Newville on Orlando-Newville Road. 122 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
  CHSC115520  Navarretia sinistra subsp. sinistra Lowell Ahart; John Dittes 2015-8-5 20463 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
  CHSC41029  Navarretia tagetina Pauleen Broyles 1982-5-10 561 Tehama The Nature Conservancy Vina Plains Preserve. W of Sheep Camp Ditch and ca 400 m to nw of barn in s pasture. 60 Comment
  UC1606316  Navarretia tagetina Barbara Ertter with James R. Shevock 1993-4-30 11621 Tehama ca 6 mi nne Interstate Hwy. 5 (Jelly Ferry Road, n of Red Bluff) 121 Comment
  CHSC76524  Navarretia viscidula Heidi West; Julie Cunningham, Natalie Wight 1998-6-25 Tehama Vicinity of South Fork Cottonwood Creek, Dippingvat Flat, and Cooks Flat. 335 Comment
  SD71270  Navarretia viscidula John Thomas Howell 1955-6-12 30320 Tehama 1 mile south of Cottonwood, dry clay 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
  CHSC80627  Nemacladus montanus Lowell Ahart 2001-6-8 8767 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS3556  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
  CHSC64354  Nemophila heterophylla Vernon H. Oswald; Lowell Ahart 1995-3-19 6539 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. Ca. 300 ft w of Manton Rd. 225 Comment
  HSC97196  Nemophila heterophylla L. Ahart 2006-5-5 12572 Tehama Along the Nomalaki Trail about 100 yds. W of China Gulch, 1/4 mi. S of Bowers Creek, 3/4 mi. NW of USFS Rd. 23N69, 6.5 air mi. SW of Paskenta 577 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
  CHSC116923  Nemophila menziesii J. P. Bergmann 2011-3-18 Tehama Corning,Loleta Avenue. 66 Comment
  CHSC55499  Nemophila menziesii Vivian L. Long 1991-4-13 16 Tehama Long Ranch property. Ca. 15 m e Lanes Valley Road, .7 km s A6. 365 Comment
  CHSC9270  Nemophila menziesii D. C. Burns 1971-3-21 107 Tehama Abundant in plowed field ca. 1.4 mi s of the intersection of Meridian rd. and Lassen rd. on e side of Meridian rd., 5 yds off road. 85 Comment
  JEPS1489  Nemophila menziesii L. Constance, J. L. Morrison 1938-5-1 2180 Tehama low hills at Paskenta , Paskenta (Inner North Coast Ranges) 304 Comment
  UC1949194  Nemophila parviflora var. austiniae Barbara Ertter with Brad Olson 1991-7-6 10367 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; at W end of meadow Comment
  CHSC75281  Nemophila pedunculata Vernon H. Oswald; Lowell Ahart 1999-4-21 9717 Tehama FS 28N23 at Oak Creek in the Tehama State Wildlife Area southeast of the town of Paynes Creek. 762 Comment
  POM249002  Nemophila pedunculata Lincoln Constance, J. L. Morrison 1938-5-1 2183 Tehama Low hills at Paskenta, Inner N Coast Ranges 305 Comment
  CHSC116928  Odontostomum hartwegii J. P. Bergmann 2011-4-21 Tehama Dye Creek Preserve, Conservation easement. 286 Comment
  JEPS94242  Odontostomum hartwegii Vernon Oswald and Lowell Ahart 1998-5-14 9042 Tehama Highway 36 w of Red Bluff 1.3 mi w of Cannon Road; Highway 36 274 Comment
  SEINET3887711  Odontostomum hartwegii Daphne K. Christopher, Hannah I. Stevens 2003-4-19 214 Tehama Dye Creek Nature Preserve. Antelope Creek Trail.; 0 130 Comment
  UC1004187  Odontostomum hartwegii W. A. Weber and Lewis S. Rose 1953-5-23 8465 Tehama 2 mi. s. Cottonwood 121 Comment
  CDA39393  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
  CDA39395  Odontostomum hartwegii H. L. Foote 1960-4-22 s.n. Tehama Highway 36, ca. 20 miles east of Red Bluff. 0 Comment
  UC903225  Odontostomum hartwegii Ethel Crum 1932-5-9 1431 Tehama 10 mi. s.e. Red Bluff (tributary of Red Bank Creek); North Coast Ranges 304 Comment
  SEINET13943276 Image available Olea europaea W. A. Weber, Lewis S. Rose 1953-1 8469 Tehama widely cultivated, vicnity of Corning; 250 ft alt. 76 Comment
  CDA40562  Onopordum acanthium Ryan Jennings 2014-5-28 PDR# 520 P06087266 Tehama East side of Wilder Road, north of Reeds Creek Road. 0 Comment
  CHSC44833  Orcuttia pilosa J. D. Jokerst; R. A. Schlising 1982-5-27 1583 Tehama W of Highway 99, N of Broyles Road, S of Lassen Road. Vernal pool. Comment
  CHSC52889  Orcuttia pilosa R. D. Stone 1986-8-22 797 Tehama Central Valley. Vina Plains, 0.7 miles E of Leininger Road and 1.3 miles NE of its intersection with Highway 99. Vernal pool. 74 Comment
  HSC89405  Orcuttia pilosa Pauleen Broyles 1982-7-17 739 Tehama S pasture Comment
  JEPS84166  Orcuttia pilosa R. D. Stone 1986-7-19 766 Tehama s pasture about 0.7 mi nne Haille Road (0.1 mi nw of barn); Central Valley, TNC Vina Plains Preserve 64 Comment
  SEINET4080555  Orcuttia pilosa L. M. Boykin, P. M. Hall 2000-1 Tehama Comment
  SEINET4080564  Orcuttia pilosa L. M. Boykin, P. M. Hall 2001-1 Tehama Comment
  CAS-BOT-BC254351  Orcuttia tenuis F. T. Griggs 1974-6-19 136 Tehama 1.4 miles N of Dales, [Highway 36] on the road to Manton Comment
  CHSC41058  Orcuttia tenuis Pauleen Broyles 1982-5-17 615 Tehama The Nature Conservancy Vina Plains Preserve. Vernal pool just s of Lassen Road in e pasture. 68 Comment
  CHSC45705  Orcuttia tenuis R. D. Stone; R. E. Buck 1987-8-10 842 Tehama Central Valley. 1.4 miles NNE of Dales and 0.15 miles E of Manton Road (County Rd. A-6) ca. 15 miles NE of Red Bluff. Vernal pool. 210 Comment
  CHSC52901  Orcuttia tenuis R. D. Stone 1986-7-23 783 Tehama Central Valley. About 15 miles NE of Red Bluff and 2.6 miles NW of Dales Lake on Inks Creek Ranch. Pond. 137 Comment
  CHSC52902  Orcuttia tenuis R. D. Stone 1986-7-23 784 Tehama Central Valley. Reservoir 466, about 15 miles NE of Red Bluff, 3.6 miles NW of Dales Lake on Inks Creek Ranch. Pond. Comment
  CHSC52907  Orcuttia tenuis R. D. Stone 1986-7-22 777 Tehama Central Valley. About 20 miles NE of Red Bluff and 1.6 miles WSW of Manton Road (County Rd. A-6) crossing of Spring Branch creek, 0.25 miles east of natural gas pipeline. Vernal pool. 297 Comment
  CHSC83241  Orcuttia tenuis Beecher Crampton 1958-8-12 5072 Tehama 10.8 miles northeast of Red Bluff, 7.8 miles northeast of junction of State Highway 36 with U.S. Highway 99E, 4 miles southwest of Dales, Hog Lake. In vernal pond. Comment
  JEPS84136  Orcuttia tenuis R. D. Stone 1986-7-22 776 Tehama 1.0 mi sw Manton Road (County Rd. A-6) crossing of Spring Branch Creek (about 20 mi ne of Red Bluff); Central Valley 312 Comment
  JEPS84156  Orcuttia tenuis R. D. Stone and R. E. Buck 1987-8-9 840 Tehama 0.1 mi sw reservoir 368' (1 mi ne of Bend, ca 7 mi nne of Red Bluff); Central Valley 112 Comment
  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
  SD131795  Orcuttia tenuis R. D. Stone 1986-7-20 772 Tehama Dales Lake, W side of MantonRoad (County Road A-6) about 15 miles NE of Red Bluff and 1.3 miles NNE of Dales 213 Comment
  SEINET10945786  Orcuttia tenuis B. Crampton 1958-1 Tehama Comment
  CAS-BOT-BC349979  Oreostemma alpigenum var. andersonii John Thomas Howell 1960-8-18 36072 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  JEPS94400  Orobanche fasciculata Vernon H. Oswald and Lowell Ahart 1997-5-14 9460 Tehama s of Moak Trailhead (between Mill and Deer Creeks on Ponderosa Way (Forest Road 28N29)); Ponderosa Way 1066 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
  CAS-BOT-BC502951  Orobanche vallicola C. R. Quick 1949-9-11 49 -47 Tehama S rim of Mill Creek Canyon, Lassen National Forest Comment
  JEPS127361  Orogenia fusiformis Tim Kask 2013-4-20 204 Tehama Jones Valley off Highway 172 between Mineral and Mill Creek. Comment
  RSA516485  Orthocarpus attenuatus V. Bailey 1938-4-16 s.n. Tehama Paskenta (6 mi. w. of) on Paskenta Covelo Road. Comment
  SEINET12332654  Orthocarpus attenuatus Unknown 1982-1 381 Tehama Nature Conservancy Vina Plains Preserve, ca 0.3 mi NW of jct of access road & Hwy 99 at S pasture Comment
  CHSC59186  Orthocarpus cuspidatus subsp. cryptanthus Vernon H. Oswald 1992-9-9 5201 Tehama Ca. 0.4 mi upstream along the drainage crossing Mill Creek Falls Trail at its mid (most southernly) point, on the S side of Diamond Peak and lassen Hwy. 2042 Comment
  RSA719175  Osmorhiza berteroi L. Ahart 2006-7-19 13045 Tehama About 170 yards northeast of where the dirt road crosses Colby Creek, about 2 air miles southeast of Colby Mountain, about 5 1/8 air miles northeast of Butte Meadows 1541 Comment
  RSA90605  Osmorhiza berteroi Milo S. Baker, H. K. Wagnon 1953-6-21 12779 Tehama Logging road W of Paskenta, near 15 mile post. 1220 Comment
  UC1477058  Osmorhiza occidentalis Porter P. Lowry, II 1977-7-6 849 Tehama on Park road 1/2 mi below Lassen Chalet (intersection with Broakoff <sic> Ht. Trail); Lassen Volcanic National Park Comment
  HSC16725  Oxalis latifolia Larry Berti 1968-7-14 Tehama Red Bluff Comment
  JEPS94369  Oxypolis occidentalis Vernon Oswald and Lowell Ahart 1997-9-9 8863 Tehama 1.1 mi se of Highway 32 (Forest Road 26N09 at Cascade Creek, nw of Chico Meadows); Cascade Creek, Forest Road 26N09 Comment
  JEPS101378  Packera greenei Dean W. Taylor 1997-7-10 16123 Tehama Valentine Ridge; Yolla Bolly Mtns; Mendocino National Forest 685 Comment
  JEPS89344  Packera greenei Dean W. Taylor 1992-6-18 12801 Tehama along Forest Rd. 25N01 Valentine Ridge; Inner N. Coast Ranges, Valentine Ridge Comment
  CAS-BOT-BC316927  Packera greenei Rimo Carlo Felice Bacigalupi 1934-5-29 2415 Tehama On Paskenta grade, (Road from Corning to Covelo), just west of Paskenta. Comment
  CHSC49536  Panicum acuminatum var. acuminatum Vernon Oswald 1986-8-20 2284 Tehama Sulphur Works, Lassen Volcanic National Park. 2121 Comment
  CHSC112745  Panicum capillare Lowell Ahart 2013-9-17 19040 A 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
  CHSC66225  Panicum capillare Vernon H. Oswald; Lowell Ahart 1996-6-3 7695 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On a gravel bar along Paynes Creek at the old bridge site. 103 Comment
  CHSC77634  Panicum capillare Heidi West; Caroline Warren, Jenny Marr 1998-8-27 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 289 Comment
  JEPS75059  Panicum capillare W. L. Jepson 1929-9-27 15284 Tehama Manton 853 Comment
  CAS-BOT-BC175547  Parnassia palustris P. A. Munz 1951-7-26 16915 Tehama South base of South Yolla Bolly Pk 2103 Comment
  RSA66622  Parnassia palustris var. californica P. A. Munz 1951-7-26 16915 Tehama South base of South Yolla Bolly Mountains. 2104 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
  JEPS88620  Paronychia ahartii Roy E. Buck and Glenn L. Clifton 1990-4-4 1492 Tehama ca 1.5 air km wnw confluence of Paynes Creek and De Haven Gulch drainage (19 air km ne of Red Bluff, on plain wnw of Dales, in vicinity of gas pipeline); wnw of confluence of Paynes Creek and De Haven Gulch drainag 195 Comment
  NY342566  Paronychia ahartii J. T. Howell 1955-6-12 30307 Tehama 8.5 miles south of Corning Comment
  UCR71528  Paronychia ahartii Rimo Bacigalupi 1958-4-22 6290 Tehama Lower portions of the Kirkwood Plains, c. 2 mi west of Kirkwood, and c. 0.5 mi west of US Hwy 99, and 7 mi south of Corning. 91 Comment
  JEPS25394  Parvisedum pumilum Rimo Bacigalupi with G. T. Robbins 1959-4-21 7008 Tehama about 1 mi e of Dales (along State Highway 36, just s of roadway); State Highway 36 234 Comment
  JEPS106251  Paspalum dilatatum Lowell Ahart, Samantha Mackey Hillaire 2004-7-9 11191 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
  JEPS108845  Pectocarya pusilla Lowell Ahart 2006-5-5 12570 Tehama Along the Nomalaki Trail (Thomes Gorge Trail), about 100 yards north of Forest Road 23N69 (Mud Flat Road), about 7 miles (air) southwest of Paskenta 610 Comment
  SJSU5828  Pedicularis densiflora D. L. Wilson 1970-4-18 Tehama Little Giant Mill Rd 1 mi SE of its junction with Hwy 20 between Paynes Cr & Mineral 1066 Comment
  UC61030  Pedicularis densiflora H. F. Stivers 1904-2-29 Tehama Rosewood Comment
  CHSC21153  Pedicularis semibarbata M. S. Taylor 1975-7-17 856 Tehama Ca. 500 yds s of Carter Meadows, ca. 1/2 mi e of Butte Mountain, ca. 5 mi s of junc of Hwys 32, 36 and 89. 1828 Comment
  CHSC80645  Pediomelum californicum Vernon H. Oswald 2001-5-30 10031 Tehama Log springs Rd (M4) between Salt Creek Conservation Camp and Log Springs, 0.2 mi east of the 14 mile post. 914 Comment
  CHSC87318  Pediomelum californicum Lowell Ahart 2004-4-29 10813 Tehama Along the Nomalaki Trail, about 1/2 mile by trail northwest of Dead Rabbit Lake, about 1 1/4 miles northwest of Bowers Creek, about 2 miles northwest of Forest Road 23N69 (Mud Flat Road), about 7 1/2 miles (air) southwest of Paskenta. 564 Comment
  CAS-BOT-BC205681  Pellaea brachyptera James R. Shevock 1985-6-22 11238 Tehama Northern Coast Ranges. Mendocino National Forest. Along forest road M-2, just north of Government Flat Campground 1752 Comment
  CHSC68797  Pellaea brachyptera Vernon Oswald; Lowell Ahart 1997-6-10 8567 Tehama Between Paskenta and Covelo on Forest Road 24N02 between Government Flat and Wells Cabin campgrounds, 2.0 mi south of M2. 1828 Comment
  UC1299763  Pellaea brachyptera Freed W. Hoffman 1950-7-6 3763 Tehama ca. 1 mi ne White Rock Guard Station (western) Comment
  RSA90600  Pellaea mucronata Milo S. Baker 1953-5-10 12637 Tehama Above the logging road, west of Paskenta, between 6 and 7 mile posts 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
  JEPS94587  Penstemon anguineus Vernon H. Oswald and Lowell Ahart 1997-7-7 8710 Tehama Jones Camp Creek Yolla Bolly-Middle Eel Wilderness (at Forest Route 35, n side of Wilderness, e of Rat Trap Gap) 1524 Comment
  RSA0029289  Penstemon anguineus Barbara J. Ertter, James R. Shevock 1991-9-2 10774 Tehama SW Tehama Co. Round Valley - Paskenta road (Rt M4) 2.3 mi E of M2 jct at Government Flat, ca. 19 airmiles W of Paskenta. 1677 Comment
  CHSC108077  Penstemon azureus B. Castro; L. P. Janeway 2000-6-11 1282 Tehama Inner North Coast Ranges. E-facing slope below Raglin Ridge Rd, near the top of Raglin Ridge, above Pepperwood Spring. 899 Comment
  JEPS127859  Penstemon azureus subsp. azureus Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-20 634 Tehama Mendocino National Forest. About half way up to radio tower on Toomes Camp Rd west of Paskenta. Comment
  CHSC66507  Penstemon azureus var. azureus Vernon H. Oswald; Lowell Ahart 1996-5-20 7567 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 188 Comment
  UC54627  Penstemon deustus H. M. Hall and E. B. Babcock July 1-2, 1903 4403 Tehama near Morgan ((Mill Creek Canyon)); Mount Lassen, , near Morgan 1524 Comment
  UC1238928  Penstemon deustus Freed W. Hoffman 1948-7-12 2466 Tehama Platina to Redding Road about 1 mi from Platina; North Coast Ranges, Platina to Redding Road 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
  UC1608340  Penstemon heterophyllus J. Kierstead 1990-5-10 90 -74 Tehama 0.3 mi from junction with Hwy 36 e Platina (County Rd. A16 (Ditch Grade)) 670 Comment
  JEPS97442  Penstemon heterophyllus subsp. purdyi Vernon H. Oswald and L. Ahart 1995-7-12 6997 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
  NY604519  Penstemon laetus var. leptosepalus K. A. Vincent 1987-8-11 4507 Tehama Sierra Nevada, Deer Creek Canyon; along roadside of CA 32; just north of Potato Patch Campground ca. 8.9 miles southwest of jct. CA 36/89, ca. 11.5 air miles southeast of Mineral. 1097.3 Comment
  RSA718340  Penstemon neotericus L. P. Janeway 2006-6-25 8709 Tehama High Cascade Range. North slope ridge off the northern tip of Cohasset Ridge, about 1.0 km. southeast of Devils Den. 1170 Comment
  UC423670  Penstemon neotericus David D. Keck 1930-7-24 960 Tehama 5 mi e Mineral; Sierra Nevada, e of Mineral 1525 Comment
  UC696742  Penstemon neotericus David D. Keck 1930-7-24 967 Tehama 17 mi w Chester (Domingo Springs, eastern Tehama County); Sierra Nevada, Domingo Springs 1525 Comment
  JEPS7225  Penstemon newberryi var. newberryi Joseph Grinnell 1925-7-12 Tehama Mineral 2438 Comment
  NY640965  Penstemon purpusii A. Eastwood 1941-7-9 9743 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  UC5566438  Penstemon purpusii Rimo Bacigalupi 1934-5-29 2404 Tehama along Paskenta-Covelo Road two mi e Log Spring Ranger Station (on slopes of Goat Mountain); Mendocino National Forest, on slopes of Goad Mountain 1828 Comment
  NY640958  Penstemon purpusii L. Kellogg 1952-7-12 29 Tehama South Yolla Bolly Mountain, Middle Eel-Yolla Bolla Primitive Area. Mendocino National Forest. 2438.4 Comment
  CHSC87366  Pentagramma triangularis subsp. triangularis Lowell Ahart 2004-4-29 10810 Tehama About 1/8 mile southeast of an unnamed lake, along the Nomalaki Trail, about 3/4 mile by trail northwest of Dead Rabbit Lake, about 1 1/2 miles northwest of Bowers Creek, about 2 1/4 miles northwest of Forest Road 23N69 (Mud Flat Road), about 8 miles (air) southwest of Paskenta. 562 Comment
  CHSC60295  Perideridia bolanderi subsp. bolanderi Mary Ann Showers 1992-6-26 2569 Tehama Lassen Volcanic National Park. On ridge east of Sulphur Works Entrance Station above West Sulphur Creek. 1950 Comment
  JEPS110309  Perideridia bolanderi subsp. bolanderi Lowell Ahart 2006-7-19 13033 Tehama West edge of an open dry flat, about 100 yards west of the dirt road, about 10 yards east of Colby Creek, about 2 miles (air) southeast of Colby Mountain, about 5 miles (air) northeast of Butte Meadows 1525 Comment
  JEPS17519  Perideridia bolanderi subsp. bolanderi Jos. Grinnell 1925-6-23 Tehama Battle Creek Mdws. 1463 Comment
  UC726874  Perideridia bolanderi subsp. bolanderi A. A. Heller 1941-8-11 16280 Tehama a half mile or more below suphur works entrance to park; Lassen Volcanic National Park Comment
  RSA756848  Perideridia bolanderi subsp. involucrata Barbara Ertter, Brad Olson 1991-7-5 10295 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [= Stiver s Ranch ], ca 15 airmiles WNW of Red Bluff 213 Comment
  UC1949246  Perideridia bolanderi subsp. involucrata Barbara Ertter with Brad Olson 1991-7-5 10295 Tehama Metzger Ranch at confluence of Big and Little Crane creeks [=Stiver's Ranch], ca 15 airmiles WNW of Red Bluff Comment
  CHSC76503  Perideridia kelloggii Hiedi West; Beth Hendrickson 1999-6-3 Tehama Thomes-Newville. Vicinity of Salt Creek and Newville. 274 Comment
  CHSC77523  Perideridia kelloggii B. Castro 1999-6-21 Tehama Red Bank/D.Vat Res. site. About 22 air miles W of Red Bluff, vicinity of S. Fork Cottonwood Creek and Long Gulch. 344 Comment
  CHSC42655  Perideridia parishii subsp. latifolia Vernon Oswald 1985-7-8 1894 Tehama Hwy 32 1.8 mi sw of Hwy 36. 1414 Comment
  CHSC67279  Persicaria hydropiper James D. Jokerst; Jeri Donovan 1981-9-30 1499 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
  CHSC66303  Persicaria maculosa Vernon H. Oswald 1996-6-27 7897 Tehama Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Growing in moist gravel on the bed of the creek ca. 0.5 mi E of the W boundary. 100 Comment
  JEPS81863  Petrorhagia dubia L. R. Heckard with J. C. Hickman and R. C. Bacigalupi 1982-4-26 5846 Tehama about 2 1/2 mi w Paynes Creek (along highway 36 to Mt. Lassen (6 1/2 mi ne of Dales)); highway to Mt. Lassen, w of Paynes Creek 518 Comment
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Mar 21 2007
  SEINET12765173  Petrorhagia dubia Barbara Ertter 1990-5-12 8938 Tehama NW side of Dry Fork Creek NW of jct of Hwy 36 and Rt A5 (Bowman Rd) ca 15 air miles WNW of Red Bluff, on Reed property.; 0 183 Comment
  SEINET223596  Petrorhagia dubia Richard R. Halse 1977-5-26 1585 Tehama By the first rest area north of Red Bluff along Interstate 5, 9 miles south of the Shasta County line. 125 Comment
  RSA669477  Petrorhagia dubia R. R. Halse 1977-5-26 1585 Tehama Creek bed by the first rest area N of Red Bluff along Interstate Hwy 5, 9 miles S of the Shasta County Line. 125 Comment
  HSC74854  Phacelia corymbosa J. P. Smith, Thomas W. Nelson 1978-7-22 10023 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 Comment
  CHSC55133  Phacelia egena L. P. Janeway 1991-5-11 3959 Tehama Battle Creek Wildlife Area. In large ravine draining north into Battle Creek, ca 1/4 mi south of the creek; ca 1 1/2 mi east of the Sacramento River. 134 Comment
  CHSC86040  Phacelia egena Jenny Marr; Caroline Warren 1998-4-28 Tehama Vicinity of upper North Fork Stony Creek, Newville Road, and Round Valley Road. 213 Comment
  UC1228234  Phacelia egena Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-16 5328 Tehama Mt. Linn summit South Yolla Bolly ridge (very summit of ridge) 2463 Comment
  JEPS22563  Phacelia egena Rimo Bacigalupi with Drs. Herbert and Lucille Mason 1958-4-23 6298 Tehama 2.5 mi s Lowrey (near road to Paskenta from Lowrey); foothills of Inner North Coast Ranges, south fork of Elder C 289 Comment
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Jul 19 2009
  CHSC48468  Phacelia hastata subsp. compacta Vernon Oswald 1986-7-24 2233 Tehama Near the summit of Brokeoff Mountain Trail, Lassen Volcanic National Park. 2773 Comment
  UC660065  Phacelia heterophylla subsp. virgata Alan A. Beetle 1941-6-27 2749 Tehama Route 32 20 mi ne Lomo (banks above creek); Deer Creek 1219 Comment
  CHSC65342  Phacelia mutabilis Lowell Ahart 1995-10-3 7656 Tehama Along Willow Creek, about 1 3/4 miles (air) north-east of Jonesville, about 6 1/2 miles (air) north-east of Butte Meadows. 1645 Comment
  JEPS13516  Phacelia mutabilis Rimo Bacigalupi with G. T. Robbins, K. Wagnon, and D. Barbe 1955-7-17 5336 Tehama 1.2 mi below and s Ovenlid (3/4 mi e of and above Somerset's Meadow) 1889 Comment
  UC1037471  Phacelia mutabilis Milo S. Baker and H. K. Wagnon 1954-7-11 12996 Tehama logging rd near Reservoir of Howells Camp (w. Tehama Co.) 1828 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
  JEPS94375  Phacelia tanacetifolia Vernon H. Oswald and Lowell Ahart 1997-5-14 8444 Tehama 2.6 mi n of the bridge on Mill Creek at Black Rock, between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd 28N29) 17.8 mi s of Plum Creek Road Mill Creek; Ponderosa Way 920 Comment
  UC2042813  Phacelia tanacetifolia Barbara Ertter with Jim Nelson, Julie Kierstead and Bob Orange 1990-5-13 8941 Tehama Tuscan Butte ca. 8 air miles NE of Red Bluff. Comment
  CHSC87021  Phalaris aquatica Jenny Marr; Heidi West, Caroline Warren, Natalie Wight 1998-7-9 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 289 Comment
  JEPS100928  Phalaris aquatica Dean W. Taylor 1993-5-5 13447 Tehama 1 mile W of Dales Lake; large vernal pool bordered by Quercus douglasii woodland 228 Comment
  JEPS118032  Phalaris paradoxa Lowell Ahart, John Dittes 2011-6-9 17456 Tehama Rio De Los Molinos Land Grant. Low area in field, under the pole line, 2685 feet east of Highway 99, 1.5 miles (air) north of Vina.Valley Grassland 71 Comment
  RSA141295  Phleum alpinum J. M. Tucker 1959-7-19 3563 Tehama ca. 1/2 mile east of Ides Cove, southeast side of South Yolla Bolly Mountain 2104 Comment
  CAS-BOT-BC250858  Phleum pratense R. E. Frenkel 1964-7-11 651 Tehama On California Hwy. 36, immediately west of Mineral Lodge 1463 Comment
  HSC75379  Phlox diffusa J. O. Sawyer, K. A. Sawyer 1980-6-18 3446 Tehama S of N Yolla Bolly Peak. 2348 Comment
  RSA93038  Phlox speciosa subsp. occidentalis Milo S. Baker, H. K. Wagnon 1953-6-21 12771 Tehama West of Paskenta at Whiskey Saddle. 1449 Comment
  RSA93381  Phlox speciosa subsp. occidentalis Milo S. Baker, H. K. Wagnon 1953-7-12 12897 Tehama 5.3 miles beyond Whitlock Camp along County road. 1829 Comment
  UC1949172  Phoradendron flavescens var. villosum Barbara Ertter with Brad Olson 1991-7-6 10443 Tehama Ball Rock - Toomes Camp Road at Trough Ridge jct, 18.8 mi from Paskenta, ca 28 airmiles W of Corning Comment
  CHSC67308  Phoradendron serotinum subsp. macrophyllum James D. Jokerst 1981-2-23 1235 Tehama Wurlitzer Ranch on Pine Creek, 1.0 mi E of Meridian Rd. Comment
  UC1078855  Phoradendron villosum Job Kuijt 1957-5-21 1363 Tehama Manton Comment
  JEPS106207  Phyla nodiflora var. rosea Lowell Ahart 2004-6-28 11143 Tehama Gravel bar on the south side of Thomes Creek, about 1/4 mile east of Paskenta 213 Comment
  CAS-BOT-BC58801  Phyllodoce breweri John Thomas Howell 1960-8-19 36120 Tehama Lassen Volcanic National Park - Brokeoff Mt. Trail 2346 Comment
  JEPS66663  Phyllodoce breweri Jos. Grinnell 1925-7-3 Tehama on summit of Turner Mountain, Mineral Mineral; Turner Mountain, Mineral 1828 Comment
  CHSC101046  Physalis lancifolia John Dittes; Josephine Guardino 2005-4-13 1545 Tehama Northern Sacramento Valley; east bank of Sacramento River at southern edge of Mill Creek confluence; sand bar in active floodplain of Sacramento River. 62 Comment
  HSC39117  Pinus balfouriana Gary S. Lester 1973-6-30 49 Tehama Yolla Bolly Wilderness Area, N Yolla Bolly Mtns. 2287 Comment
  RSA123636  Pinus balfouriana G. D. Barbe 1955-7-22 257 Tehama E slope of Harvey Peak. Also in the saddle between Harvey Peak and Mt. Linn (South Yolla Bolly Mtns.). 2378 Comment
  SEINET10530676  Pinus contorta David B. Dunn, Billy Joe Cox; Melissa Leake 1971-6-10 Dunn 17976 Tehama 14 mi E of Mineral on Calif Hwy 36; at Camp in Gurnsey National Forest; Andrositic flow; Abies concolor, Pinus ponderosa, P. flexilis and Pseudotsuga menziesii. Comment
  CHSC90397  Pinus jeffreyi Niall McCarten 1986-6-22 5309 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 'Ovenlid,' so. side Rd. 25N29. 2011 Comment
  CHSC84952  Pinus lambertiana Lowell Ahart 2003-10-13 10629 Tehama On the east side of Willow Creek, north of a large wet meadow, 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
  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
  UCD134954  Pinus ponderosa Lalit M. Srivastava 1957-10-19 5 Tehama Beside State Highway 36 at Mineral. 1524 Comment
  CHSC77812  Piptatherum miliaceum Heidi West; Beth Hendrickson 1999-6-3 Tehama Vicinity of Salt Creek and Newville. In drainage. 274 Comment
  UC725643  Plagiobothrys austiniae A. A. Heller 1927-4-19 14346 Tehama 10 mi n Chico (highway) Comment
  POM260439  Plagiobothrys bracteatus L. S. Rose 1934-4-21 34243 Tehama 5 miles south of Cottonwood 107 Comment
  RSA90603  Plagiobothrys bracteatus Milo S. Baker 1953-5-10 12617 Tehama Above the logging road, west of Paskenta, between 6 and 7 mile posts Comment
  UC1023439  Plagiobothrys bracteatus Milo S. Baker 1953-5-10 12617 Tehama bed of winter pool above logging road west of Paskenta (bet. 7 and 8 mi posts) Comment
  HSC74964  Plagiobothrys cognatus J. P. Smith, Thomas W. Nelson 1979-6-24 10185 Tehama Rd. to Stuart Gap, 0.8 mi. from Tedoc Gap. 1372 Comment
  CDA15867  Plagiobothrys fulvus G. F. Hrusa, J. Hart 2000-4-8 15317 Tehama Sacramento Valley; Coyote Creek Conservation Area. Comment
  JEPS88386  Plagiobothrys fulvus Vernon H. Oswald and Lowell Ahart 1996-4-15 7366 Tehama nw of Corning (CDFG parcel on s side of Gyle Road, on s side of intermittent steam 0.1 mi e of the lane, nw side of Sacramento Valley); Thomes Creek Ecological Reserve, Sacramento Valley 103 Comment
  SEINET12332652  Plagiobothrys glyptocarpus Unknown 1982-1 844 Tehama The Nature Conservancy Vina Plains Preserve 68 Comment
  CHSC26615  Plagiobothrys greenei M. P. Hayes 1978-3-28 135 Tehama Found near the vernal pools on Leininger road, approx. .8 mi e of Highway 99, along Leininger road. 40 Comment
  CHSC65721  Plagiobothrys greenei Vernon H. Oswald; Lowell Ahart 1996-4-3 7283 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Along N side of the intermittent stream just E of the dirt lane along the W side of the parcel. 103 Comment
  UCD80152  Plagiobothrys greenei CNPS SN Foothill Team 2006-3-29 SNFN 0401 Tehama TNC Easement,near the southern boundary of the Leininger Ranch. 125 Comment
  CHSC102695  Plagiobothrys hispidulus Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16310 Tehama West side of pond, on the east side of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Area between SE 1/4 Section 23 and SW 1/4 Section 24. 1493 Comment
  JEPS61035  Plagiobothrys hispidulus Joseph Grinnell 1925-6-23 Tehama Battle Creek Meadows Comment
  CAS-BOT-BC231010  Plagiobothrys hispidulus A. A. Heller 1937-6-28 s.n. Tehama Mineral 1371 Comment
  UC765636  Plagiobothrys humistratus R. F. Hoover 1937-5-19 2247 Tehama near Vina 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
  JEPS97230  Plagiobothrys shastensis Vernon H. Oswald and L. Ahart 1995-4-25 6696 Tehama Dales Lake ER. T29N R2W NE1/4 NE1/4 Sec. 26, 740 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 225 Comment
  CHSC40695  Plagiobothrys stipitatus var. micranthus Pauleen Broyles 1982-4-20 438 Tehama The Nature Conservancy Vina Plains Preserve. Near corner of Lassen Road and internal fence. 69 Comment
  JEPS88318  Plagiobothrys stipitatus var. micranthus Vernon H. Oswald and Lowell Ahart 1996-5-6 7538 Tehama BLM parcel along Hwy 36 ne of Red Bluff (s end of Hog Lake, Cascade Range Foothills, Hog Lake Plateau); Hog Lake Plateau, Cascade Range Foothills, Hog Lake 263 Comment
  RSA32880  Plagiobothrys tener A. A. Heller 1938-7-28 15292 Tehama On the Mineral-Mt. Lassen Highway near the junction with the old road. Comment
  CHSC113334  Planodes virginica Lowell Ahart 2014-5-8 19448 Tehama About 1/10 mile north of the restroom and the paved road to Berris Creek, west of Berris Creek, south of Kendrick Creek, strand of Black Butte Reservoir, about 12 miles (air) southwest of Corning. 148 Comment
  CDA43186  Plantago coronopus Richard R. Halse 2015-3-21 9329 Tehama Corning; along Short Drive just west of its intersection with Edith Ave. Comment
  CHSC113268  Plantago coronopus Lowell Ahart; John Dittes 2014-5-16 19483 Tehama Along the poor dirt road, about 200 yards southwest of the lone oak tree, about 1/2 mile east of the end of Lyon Cattle Road, about 3 miles (air) northeast of Los Molinos. 99 Comment
  CHSC64358  Plantago erecta Vernon H. Oswald; Lowell Ahart 1995-3-19 6530 Tehama Dales Lake Ecological Station. 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. Along the e fence near the s tip of the reserve. 207 Comment
  CHSC96812  Plantago erecta Lowell Ahart; Richard Lansdown 2007-4-25 13695 Tehama On the bottom of a very large shallow drainage, about 100 yards north of Cannon Road, about 1/2 mile west of the intersection of Cannon Road and Highway 36, about 16 miles west of Red Bluff. 270 Comment
  HSC1833  Plantago erecta Larry Berti 1969-3-19 28 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
  HSC73471  Plantago erecta Grunert 29 Tehama 5 mi. E of Platina on Hwy. 36 671 Comment
  SEINET12332649  Plantago erecta Unknown 1983-1 871 Tehama The Nature Conservancy Vina Plains Preserve 65 Comment
  CHSC115525  Plantago lanceolata Lowell Ahart; John Dittes 2015-8-5 20437 Tehama Dry meadow, 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
  HSC93243  Plantago major Vernon H. Oswald, L. Ahart 1996-9-4 8262 Tehama Along Hwy. 36, NE of Red Bluff, Cascade Range Foothills, along Paynes Creek 1 mi. upstream from old bridge site 131 Comment
  SBBG1176  Platanthera dilatata var. leucostachys H. and M. Dearing 1938-6-22 2092 Tehama Deer Crk bog Comment
  SEINET10971586  Platanthera sparsiflora Mary Susan Taylor 1975-7-17 Taylor 849 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
  CHSC65968  Platystemon californicus Vernon Oswald 1996-4-23 7435 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the north-facing slope on Paynes Creek Canyon near the power line and the N end of the Jeep Trail. 167 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
  UCD90262  Poa bolanderi A. A. Beetle 1941-6-30 2850 Tehama near Manton. 609 Comment
  UCD90294  Poa bolanderi Beecher Crampton 1954-6-16 1987 Tehama Crane Mills logging road, Howell Saddle, Mendocino National Forest Pasktenta District. 1892 Comment
  CHSC89034  Poa bulbosa Pat Sater 2001-4-23 Tehama Tehama Wildlife Area. 1 mile north of Antelope Creek upper slab crossing, 5 yds from Ishi Road. UTM: 10 0594961 E, 4454220 N. 551 Comment
  RSA256675  Poa bulbosa Donald Spalinger 1974-5-5 55 Tehama 21 miles E. of Trinity county like H 36 Comment
  RSA424686  Poa bulbosa Aaron Liston, M. Blumler 1987-4-24 654 -14 Tehama Hwy 36 between Dales and Paynes Creek; 1.9 miles E of Dales. Comment
  UC450475  Poa bulbosa Morris Halperin 1931-4-27 323 Tehama R. W. Hanna's Rnach Red Bluff Comment
  UCD90616  Poa bulbosa Beecher Crampton 1953-4-29 1168 Tehama 1 mile south of Dales. Comment
  JEPS104178  Poa compressa Lowell Ahart 2003-6-11 10275 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
  JEPS94187  Poa howellii Vernon Oswald and Lowell Ahart 1998-4-21 8937 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
  CAS-BOT-BC255960  Poa pratensis John Thomas Howell 1960-8-18 36094 Tehama Sulpur Works Checking Station, Lassen Volcanic National Park 2011 Comment
  RSA92964  Poa secunda M. S. Baker 1953-4-25 12519 Tehama Foothills along Crane Lumber Rd. West of Paskenta, perhaps 2 miles Comment
  CHSC102244  Poa secunda subsp. secunda L. P. Janeway; B. Castro 2009-4-25 9762 Tehama Cascade Range Foothills. Tehama Wildlife Area; top of ridge between Shaw Creek and Little Antelope Creek, just east of junction of Powerline Road and Cottonwood Jeep Trail. 628 Comment
  CHSC41064  Poa secunda subsp. secunda Pauleen Broyles 1982-5-6 545 Tehama The Nature Conservancy Vina Plains Preserve. Near Sheep Camp Ditch. 68 Comment
  CHSC54027  Poa secunda subsp. secunda Vernon H. Oswald; Lowell Ahart 1991-5-9 4567 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 west side of Paynes Creek near the Sacramento River. 106 Comment
  CHSC65795  Poa secunda subsp. secunda Vernon H. Oswald; Lowell Ahart 1996-4-8 7344 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. On the S side of the gravel road 0.9 mi W of the parking lot on Hwy. 36. 254 Comment
  CHSC88548  Poa secunda subsp. secunda Jenny Marr; Caroline Warren 1999-4-28 Tehama Vicinity of Red Bank Creek, Sunflower Gulch, and Dry Creek. 289 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
  UC1019555  Poa secunda subsp. secunda Louise Kellogg 1952-7-17 83 Tehama directly s of South Yolla Bolly Mt (near Squaw Camp and Pole Corral on Boswell Ridge); North Coast Ranges, Mendocino Nat'l Forest 2133 Comment
  UCD90491  Poa secunda subsp. secunda A. A. Beetle 1942-5-19 3290 Tehama Near Cold Fork. Cold Fork Experimental Plot. Comment
  UCD21112  Pogogyne douglasii Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-4-24 288 Tehama Vina Plains, SW of Highway 99 and Rowles Road. Pool # ROW005. Comment
  CHSC40826  Pogogyne zizyphoroides Pauleen Broyles 1982-4-23 447 Tehama The Nature Conservancy Vina Plains Preserve. Just s of Lassen Road. 68 Comment
  CHSC64627  Pogogyne zizyphoroides Vernon H. Oswald; Lowell Ahart 1995-4-17 6646 Tehama Cascade Range Foothills. W side of Manton Rd. (A6) ca. 1mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff. 213 Comment
  JEPS97241  Pogogyne zizyphoroides Vernon H. Oswald and L. Ahart 1995-4-17 6646 Tehama T29N R2W SW1/4 SW1/4 Sec. 26, 700 ft, Cascade Range Foothills, Valley and Foothills Grassland, 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
  UC762111  Pogogyne zizyphoroides R. F. Hoover 1937-5-19 2291 Tehama Coyote Creek, south of Red Buff Comment
  RSA0022169  Pogogyne zizyphoroides P. A. Munz 1949-5-14 13203 Tehama 7 miles south of Corning Comment
  JEPS127140  Polanisia dodecandra subsp. trachysperma Lowell Ahart, John Dittes 2016-8-25 21305 Tehama Anderson River Park, 0.7 mile (air) upstream from Stillwater Creek Confluence, 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated Section of San Buenaventura Land Grant. Comment
  JEPS87876  Polanisia dodecandra subsp. trachysperma Lowell Ahart 1994-7-24 7508 Tehama on n side of Humboldt Road w of bridge across Butte Creek (e of the intersection of Skyway (Bull Hill Road) and Humboldt Road, Butte Meadows); Butte Meadows, w of bridge across Butte Creek 1325 Comment
  CDA25325  Polanisia dodecandra subsp. trachysperma H. Metcalf, Gordon 1970-6-1 Tehama William Keeler Ranch, Foothill Road, Antelope. 0 Comment
  JEPS88105  Polygonum bidwelliae Vernon H. Oswald and Lowell Ahart 1996-5-6 7510 Tehama n.e. Red Bluff (BLM parcel along Hwy. 36; ca. 0.2 mi. n. of the gravel rd. & 0.2 mi. w. of the Jeep Trail, Hog Lake Plateau); Cascade Range Foothills, Hog Lake Plateau 213 Comment
  JEPS94339  Polygonum bidwelliae Vernon H. Oswald and Lowell Ahart 1997-5-14 8453 Tehama 0.8 mi n of the bridge on Mill Creek at Black Rock (between Paynes Creek and Cohasset on Ponderosa Way (Forest Road 28N29) 19.5 mi s of Plum Creek Road); Ponderosa Way 725 Comment
  JEPS96726  Polygonum bidwelliae Dean W. Taylor 1997-5-30 16011 Tehama along Ponderosa Way at crossing of Soap Creek; on south facing slopes of canyon 746 Comment
  UCSB63928  Polygonum bidwelliae Oswald, Vernon; Ahart, Lowell 1996-5-6 Tehama Hog Lake Plateau, BLM parcel along Hwy. 36 NE of Red Bluff: T28N R3W SE'/4 SW' Sect. 13; ca. 0.2 mi N of the gravel road and 0.2 mi W of the Jeep Trail 213 Comment
  JEPS87928  Polygonum bistortoides Barbara Ertter, Brad Olson 1991-7-6 10399 Tehama ca 1 mi s Ball Rock (Rocky Cabin meadow, 1 mi se of Cold Spring Forest Station, ca 30 air mi w of Corning); Rocky Cabin meadow 1889 Comment
  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
  UC769839  Polygonum bolanderi R. F. Hoover 1940-9-22 4623 Tehama ridges above Paine Creek 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
  HSC17552  Polygonum californicum Larry Berti 1968-11-22 Tehama Red Bluff, first pond past the Radar Base. Comment
  UC1001301  Polygonum davisiae Louise Kellogg 1952-7-12 25 Tehama South Yolla Bolly Mountain North Coast Ranges, Mendocino Nat. Forest, Middle Eel-Yolla 2438 Comment
  JEPS104105  Polygonum douglasii subsp. douglasii Lowell Ahart 2003-8-23 10524 Tehama About 80 yd e of Square Lake, ca 3/4 mi ne of Mount Linn, South Yolla Bolly. 2112 Comment
  RSA724870  Polygonum douglasii subsp. spergulariiforme L. Ahart 2006-9-9 13265 Tehama 30 yards E of Colby Creek, 120 yards W of the dirt road, 2 miles air SE of Colby Mtn, 5 miles air NE of Butte Meadow, alt 5004ft. 1526 Comment
  JEPS66413  Polygonum hydropiper L. R. Heckard and P. Rubtzoff 1971-7-31 2674 Tehama land-locked lagoon off Sacramento River (just ne of Red Bluff) Comment
  JEPS104371  Polygonum hydropiperoides Lowell Ahart 2003-9-17 10589 Tehama On the south edge of 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
  CAS-BOT-BC418535  Polygonum minimum P. A. Munz 1951-7-25 16870 Tehama 1 mi. e. of Square Lake, South Yolla Bolly Mts. 2133 Comment
  JEPS97278  Polygonum minimum Lowell Ahart 1995-10-3 7660 Tehama Willow Creek, about 1 3/4 miles (air) north-east of Jonesville, about 6 1/2 miles (air) north-east of Butte Meadows 1645 Comment
  CHSC116662  Polypodium calirhiza Lowell Ahart; John Dittes, Josephine Guardino 2016-2-11 20699 Tehama On the west side of Deer Creek Trail, about 100 yards northwest of the fish ladder, about 2 miles by trail to Highway 32. 883 Comment
  CHSC64743  Polypogon maritimus Vernon H. Oswald 1995-5-28 6789 Tehama Cascade Range Foothills. Dales Lake Ecological Reserve. W side of Manton Rd. (A6) ca. 2 mi n of Hwy. 36 at Dales Station, ca. 14 mi ne of Red Bluff. On the bed of the stream on the s side of the ridge crossing the nw corner of the reserve. 201 Comment
  JEPS88306  Polypogon maritimus Vernon H. Oswald and Lowell Ahart 1996-5-20 7610 Tehama BLM parcel along Hwy. 36 n.e. Red Bluff (flood channel along Paynes Creek); Cascade Range Foothills, Hog Lake Plateau 158 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
  JEPS102670  Polypogon monspeliensis Lowell Ahart 2001-6-8 8804 Tehama On the west side of road M2, about 9 miles west of Paskenta. 792 Comment
  JEPS106250  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
  UC1619931  Polystichum imbricans Barbara Ertter 1991-9-2 10782 Tehama 11 air mi WSW of Paskenta (Round Valley - Paskenta road (Rt M4) 5.8 mi E of Log Spring Creek); SW Tehama Co. 1371 Comment
  CHSC116674  Polystichum imbricans subsp. imbricans Lowell Ahart; John Dittes, Joseephine Guardino 2016-2-11 20698 Tehama Neer the fish ladder on Deer Creek, about 2 miles by trail to Highway 32. 883 Comment
  CHSC118583  Polystichum imbricans subsp. imbricans L. P. Janeway; B. Castro 2016-9-5 12162 Tehama Klamath Ranges/High North Coast Ranges. At the Tehama/Trinity county line; Stuart Gap, 2.7 air-km north of North Yolla Bolly. 1525 Comment
  SEINET10568465  Polystichum munitum Billy Joe Cox, David B. Dunn 1971-6-10 Cox 2843 Tehama 14 mi E of Mineral on Calif. Hwy 36; at Camp in Gurnsey National Forest; Andrositic flow; Abies concolor, Pinus ponderosa, P. flexilis, and Pseudotsuga menziesii. Comment
  SJSU3289  Porterella carnosula J. W. Tilden 1960-6-26 1482 Tehama Wilson Lake, northwestern Tehama County 1524 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
  CHSC102634  Potamogeton natans Lowell Ahart; Josephine Guardino 2009-9-6 16361 Tehama North of the enclosure, meadow, shallow water in Gurnsey Creek, meadow, 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
  CHSC55583  Potentilla glandulosa Steven Triano 1988-4-17 61 Tehama Along e side of Hwy. 32, ca 14.7 mi n of Forest Ranch. 1075 Comment
  RSA123701  Potentilla glandulosa G. D. Barbe 1955-7-16 180 Tehama On the E ridge leading to the summit of S Yolla Bolly (Mt. Linn) 2287 Comment
  UC903243  Potentilla gracilis var. fastigiata Mrs. H. P. Bracelin 1931-5-31 402 Tehama one-half mi e Mineral; e of Mineral Comment
  CAS-BOT-BC540577  Potentilla gracilis var. fastigiata Alice Eastwood 1912-8-22 1896 Tehama Battle Creek Meadows, Lassen Butte Region Comment
  CAS-BOT-BC540578  Potentilla gracilis var. fastigiata Alice Eastwood 1912-8-22 1903 Tehama Battle Creek Meadows, Lassen Butte Region Comment
  CAS-BOT-BC540583  Potentilla gracilis var. fastigiata Ethel Crum 1937-8-7 1954 Tehama 1.6 miles northwest of Mineral Summit 1463 Comment
  SBBG3037  Potentilla millefolia H. and M. Dearing 1938-6-22 2081 Tehama Deer Crk Comment
  UC2031392  Prosartes hookeri Barbara Ertter with Brad Olson 1991-7-4 10248 Tehama Toomes Camp Rd (Mendocino FR 23N01) 13.5 mi W of Paskenta, Mill Creel crossing 0.9 mi W of Elder Creek Riley Ridge junction ca. 27 air miles W of Corning Comment
  JEPS94492  Prunella vulgaris var. lanceolata Vernon Oswald and Lowell Ahart 1997-7-7 8706 Tehama Forest Route 35 at Slide Creek near the ne corner of Yolla Bolly Middle Eel Wilderness Slide Creek; Yolla Bolly Middle Eel Wilderness, Slide Creek 1188 Comment
  SDSU7056  Prunella vulgaris var. lanceolata K. Dixon 1942-6-26 153 Tehama Cascade Creek. Comment
  CAS-BOT-BC163065  Prunus emarginata Hans Leschke 1960-8-8 1722 Tehama Near Noble Pass - Lassen Volcanic National Park 1828 Comment
  CHSC60398  Prunus emarginata Mary Ann Showers 1992-6-26 2588 Tehama Lassen Volcanic National Park. Canyon bottom along West Sulphur Creek east of Sulphur Works Entrance Station. 1828 Comment
  UC1128321  Prunus emarginata P. L. Johannsen 1936-9-1 1006 Tehama 2 1/4 mi e Junction Deer Creek and Smokey Creek (Lassen National Forest); Lassen National Forest 1310 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
  CHSC105994  Prunus virginiana var. demissa B. Castro; L. P. Janeway 2000-4-22 1092 Tehama High Cascade Range. North side of Mill Creek near Black Rock Campground, ca 0.2 mi west of Black Rock and south of Ponderosa Way. On lower terrace above creek, in area of open foothill-riparian woodland. 640 Comment
  CAS-BOT-BC356388  Pseudognaphalium beneolens Clare B. Hardham 1971-8-10 193446 Tehama South Yolla Bolly Mountain. Dry Lake, road to Red Bluff 1691 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
  UCD135127  Pseudotsuga menziesii var. menziesii Lalit M. Srivastava 1957-10-19 20 Tehama Beside State Highway 36, ca. 2 miles west of Mineral. 1463 Comment
  CDA16181  Psilocarphus brevissimus G. F. Hrusa, J. Hart 1999-4-29 15034 Tehama Sacramento Valley; Coyote Creek Conservation Area, S of Red Bluff. 137 Comment
  CHSC102694  Psilocarphus brevissimus var. brevissimus Lowell Ahart; John Dittes, Josephine Guardino 2009-8-27 16309 Tehama On a small mound, island when pond is full, about 100 yards east of Forest Service Road 29N25A, Childs Meadows, about 2600 feet south of the intersection of Highway 36 (89) and Forest Service Road 29N25A, 2.3 miles (air) northeast of the town of Mill Creek, 9.1 miles (air) south of Lassen Peak. Area between SE 1/4 Section 23 and SW 1/4 Section 24. 1493 Comment
  CHSC55189  Psilocarphus brevissimus var. brevissimus L. P. Janeway 1991-4-18 3895 Tehama Battle Creek Wildlife Area. On south side of and above Battle Creek, ca 1 1/2 mi east of the Sacramento River. 167 Comment
  CHSC79960  Psilocarphus brevissimus var. brevissimus L. P. Janeway 2000-5-16 6737 Tehama Vicinity of Rice Creek, west of Hwy I-5. 79 Comment
  UC1056270  Psilocarphus brevissimus var. brevissimus Rimo Bacigalupi and Arthur Holmgren 1950-4-24 3131 Tehama 8 mi ne Flourney (along Paskenta Road, w Tehama County) Comment
  CHSC113335  Psilocarphus oregonus Lowell Ahart 2014-5-8 19437 Tehama On the south side of the paved road to Berris Creek, about 0.4 mile east of the intersection with Black Butte Road, about 12 1/2 miles (air) southwest of Corning. 150 Comment
  JEPS122121  Psilocarphus tenellus Lowell Ahart 2014-5-8 19438 Tehama On the south side of the paved road to Berris Creek, about 0.4 mile east of the intersection with Black Butte Road, about 12 1/2 miles (air) southwest of Corning. Comment
  RSA21504  Ptelea baldwinii subsp. crenulata Carl B. Wolf 1937-5-16 8690 Tehama Northern Sierra Nevada Foothills, Red bluff - Susanville road, 7 miles below Paynes Creek P.O. 183 Comment
  CAS-BOT-BC148613  Ptelea crenulata Doris Kildale Gillespie 1930-5-9 9277 Tehama 12 miles west of Paynes Creek on Susanville Road Comment
  CHSC86541  Ptelea crenulata L. P. Janeway 2003-6-14 7833 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. 780 Comment
  UC1586608  Ptelea crenulata Vernon H. Oswald and Lowell Ahart 1991-5-9 4563 Tehama 6.5 mi nne Red Bluff (ca 1.5 mi ne of the Bend Bridge over the Sacramento River, on the w side of Paynes Creek near the Sacramento River); Paynes Creek Recreation Area 106 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
  JEPS97492  Pterostegia drymarioides Vernon H. Oswald and L. Ahart 1995-3-19 6540 Tehama T29N R2W NW1/4 NE1/4 Sec. 26, 740 ft, Cascade Range Foothills, Blue Oak Woodland, basalt substrate. Dales Lake Reserve on 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
  UC1123147  Pteryxia terebinthina var. californica P. L. Johannsen 1936-8-20 987 Tehama 1/4 mile N W of Colby Mtn Lookout 1828 Comment
  CHSC87902  Pycnanthemum californicum Lowell Ahart 2004-6-11 11037 Tehama Along a small stream, near 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
  JEPS94581  Pyrola aphylla Vernon Oswald and Lowell Ahart 1997-7-7 8687 Tehama Forest Rd. 27N26 0.4 mi west of its junction with 27N06 west of Saddle Campground, near the northeast corner of Yolla Bolly-Middle Eel Wilderness 1066 Comment
  RSA0082802  Pyrola aphylla J. R. Shevock 1972-7-24 2198 Tehama Hwy 32, S. of Lassen Park. 1280 Comment
  CHSC82371  Pyrola asarifolia subsp. asarifolia Lowell Ahart 2002-6-29 9813 Tehama In the northwest part of a meadow, east on the dirt road on the west side of Willow Creek, about 1/8 mile southwest of Colby Mountain Lookout Road where it crosses Willow Creek, about 5 miles (air) northeast of Butte Meadows. 1653 Comment
  HSC81829  Pyrola dentata Thomas W. Nelson, Jane Nelson, R. J. Cole 1979-7-27 5044 Tehama Along road from Regan Meadow to Brushy Mtn., 1 mi. NW of Regan Meadow 1433 Comment
  HSC82140  Pyrola dentata Thomas W. Nelson, Jane Nelson 1979-6-25 4929 Tehama Along F.S. Rd. 45 at mile post 11, W slope of Mt. Tedoc 1372 Comment
  UC1873674  Pyrola picta Barbara Ertter with James R. Shevock 1992-6-14 11223 Tehama Lassen Trail 15 miles SW of Highway 32, ca 9 airmiles S of Mineral on Mill Creek Plateau, 14.5 miles NE of Ponderosa Way junction. Comment
  JEPS75827  Pyrrocoma racemosa var. racemosa Todd and Virginia Keeler-Wolf 1973-9-1 538 Tehama about 0.25 mi w Johnson's Headquarters; Yolla Bolly Mountains 2042 Comment
  JEPS38012  Quercus chrysolepis W. L. Jepson 1929-9-30 15335 Tehama Manton 762 Comment
  UC1052827  Quercus chrysolepis J. I. Mallory 1956-6-5 142 Tehama 1 mi nne Paynes Creek (Inskip Lookout road, Quad. 33B3) 594 Comment
  UC1135350  Quercus chrysolepis P. L. Johannsen 1936-8-26 998 Tehama 1.25 mi ne junction of Rattlesnake Creek and Deer Creek; Lassen National Forest, Paynes Creek Quad. 1097 Comment
  CDA16184  Quercus douglasii G. F. Hrusa, J. Hart 1999-4-29 15037 Tehama Sacramento Valley; Coyote Creek Conservation Area, S of Red Bluff. 137 Comment
  CAS-BOT-BC79597  Quercus durata C. Hart Merriam 1916-9-11 s.n. Tehama Paskenta Grade Comment
  CHSC29524  Quercus durata Dibble; Griggs 1979-8-16 177 Tehama Near Round Mountain, close to the town of Paskenta. 1218 Comment
  HSC74843  Quercus durata var. durata J. P. Smith, Thomas W. Nelson 1978-7-22 10030 Tehama Shasta-Trinity National Forest, Tedoc Mtn. 1614 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
  UCD45912  Quercus durata var. durata P. C. Everett; E. K. Balls 1954-10-15 20311 Tehama 5.5 mi. s.w. of Paskenta on Paskenta to Covelo Road, Tehama County. 548 Comment
  HSC82161  Quercus garryana var. breweri Thomas W. Nelson, Jane P. Nelson 1979-6-25 4923 Tehama Wells Creek Campground 1280 Comment
  UC1135626  Quercus garryana var. semota P. L. Johannsen 1936-8-27 17677 Tehama 0.25 mi n Panther Creek and Deer Creek junction; Paynes Creek Quad. 914 Comment
  CHSC68949  Quercus kelloggii Vernon Oswald; Lowell Ahart 1997-7-7 8663 Tehama Near the northeast corner of the Yolla Bolly Wilderness on FR 27N06 (to Tomhead Saddle and Tomhead Pk.) 1.7 mi southwest of its junction with FR 35 (28N35). 1188 Comment
  POM160293  Quercus kelloggii J. G. Lemmon 1891-7-25 s.n. Tehama Mill Creek Canyon Comment
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Jul 5 2013
  UC1584299  Quercus kelloggii J. Kierstead 1990-9-11 90 -155 Tehama 3 mi ssw Tedoc Mt.; Yolla Bolla Ranger District 1524 Comment
  HSC90027  Quercus wislizeni var. frutescens Andrew Enberg, Brad Penkala, Dan Scofield 1990-3-31 21 Tehama Tedoc Rd. 1.0 mi. N of intersection with Hwy. 36 671 Comment
  CHSC89008  Quercus wislizeni var. wislizeni Pat Sater 2001-4-7 Tehama Tehama Wildlife Area. 100 yds south of Cottonwood Creek, off of Powerline Road. UTM: 10 0591130 E, 4451392 N. 473 Comment
  CHSC77741  Rafinesquia californica B. Castro; L. P. Janeway, B. Hendrickson 1999-5-10 927 Tehama About 23 air miles NW of Orland, vicinity of Paskenta, Garland/Round Valley Rd, and Rocky Ridge. 274 Comment
  POM303616  Raillardiopsis scabrida J. T. Howell 1943-8-8 19174 Tehama Anthony Peak Comment
  RSA253325  Ranunculus alismifolius var. hartwegii A. A. Heller 1938-5-21 15096 Tehama S of Child's Meadows. 1372 Comment
  CAS-BOT-BC380406  Ranunculus alismifolius var. hartwegii A. A. Heller 1938-5-21 15096 Tehama wet meadows south of Child's Meadows Comment
  SEINET12080676  Ranunculus aquatilis Unknown 1982-1 344 Tehama T24N, R1W, nw quadrant Section 29 62 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
  CHSC54015  Ranunculus bonariensis var. trisepalus Vernon H. Oswald; Lowell Ahart 1991-5-9 4570 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. At the southwest corner of the large impoundment at the entrance kiosk. 112 Comment
  UC1586616  Ranunculus bonariensis var. trisepalus Vernon H. Oswald and Lowell Ahart 1991-5-9 4570 Tehama ca 1.5 ne Bend Bridge of the Sacramento River (ca 6.5 mi nne of Red Bluff, sw corner of large impoundment at entrance kiosk); Paynes Creek Recreation Area 112 Comment
  POM268400  Ranunculus canus Lyman Benson 1929-3-26 1057 Tehama S of Red Bluff, Sacramento Valley 91 Comment
  RSA759800  Ranunculus hebecarpus Barbara J. Ertter 1991-5-18 9828 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
  CHSC79900  Ranunculus muricatus L. P. Janeway; B. Castro 2000-4-5 6657 Tehama Vicinity of Rice Creek, west of Hwy I-5. 106 Comment
  POM304463  Ranunculus occidentalis Alice Eastwood, John T. Howell 1941-7-9 9822 Tehama Near Government Flat. Comment
  SJSU10626  Ranunculus occidentalis R. L. MacDonald & N. D. Addy 1962-6-30 Tehama by Hwy 36 c. 11 mi W of Mineral 914 Comment
  RSA105347  Ranunculus occidentalis var. ultramontanus G. D. Barbe 1955-7-16 196 Tehama On the E ridge to the summit of S Yolla Bolly (mt. Linn) 2256 Comment
  UC54284  Ranunculus orthorhynchus var. orthorhynchus H. M. Hall and E. B. Babcock Jul 1 1903-Jul 2 1903 4378 Tehama near Morgan; Mount Lassen, Mill Creek Canyon 1524 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
  UCR168204  Rhamnus californica subsp. crassifolia C. B. Wolf 1937-9-6 9296 Tehama Inner North Coast Range, Paskenta to Covelo Road 610 Comment
  UC54507  Rhamnus rubra H. M. Hall and E. B. Babcock Jun 1903 4288 Tehama South Fork Battle Creek 365 Comment
  JEPS106305  Rhamnus tomentella subsp. crassifolia Lowell Ahart 2004-6-11 11030 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
  CHSC115599  Rhododendron columbianum Lowell Ahart; John Dittes 2015-8-6 20520 Tehama On the south side of the small stream, about 100 yards east of the spring, east of the camping area, west side of Childs Meadow, 0.67 air-miles west of intersection of State Highway 36 and Wilson Lake Road (County Road 769), 1.21 air-miles southeast east of Doe Mt., 10.41 air-miles south of Lassen Peak. 1498 Comment
  CDA12197  Rhus trilobata G. F. Hrusa 1989-4-1 5906 Tehama North Coast Ranges; Hwy 36 approx. 20 miles W of Red Bluff. Comment
  CAS-BOT-BC92896  Ribes californicum var. californicum P. A. Munz 1951-7-26 16958 Tehama South base of South Yolla Bolly Peak. 2057 Comment
  CAS-BOT-BC168883  Ribes lobbii Rimo Bacigalupi 1934-5-29 2414 Tehama Near Log Spring Ranger Station, along road from Corning to Covelo, Mendocino National Forest 1676 Comment
  CAS-BOT-BC212664  Ribes nevadense Alice Eastwood 1912-8-22 1806 Tehama Trail from Morgans [Morgan] Springs to Lassen Butte Comment
  CHSC4580  Ribes nevadense C. Glascock 1965-5-15 410 Tehama Deer Creek Falls. 9.5 mi. ne of intersection of Scout Rd. and Hwy 32. 5.1 mi. ne of Windy Cut Lookout on Hwy. 32. Top of trail to falls. Comment
  CHSC57015  Ribes nevadense Steven Triano; Stefani Eiben 1988-5-7 160 Tehama Sunny road-cut on s side of Hwy. 36 ca 8.3 mi w of Mineral. 1225 Comment
  JEPS49173  Ribes roezlii Jos. Grinnell 1927-5-14 Tehama Mineral Comment
  JEPS124013  Ribes roezlii var. roezlii Lowell Ahart, John Dittes 2015-8-5 20460 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
  UC1037448  Ribes sanguineum var. glutinosum Douglas Barbe 1955-7-16 197 Tehama e ridge leading to summit South Yolla Bolly Mtn. (Mt. Linn) 2316 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
  CAS-BOT-BC362944  Rigiopappus leptocladus Doris Kildale Gillespie 1930-5-14 9400 Tehama Between Mineral and Paynes Creek Comment
  CHSC77315  Rigiopappus leptocladus Heidi West; L. P. Janeway 1999-4-20 Tehama Vicinity of Cracker Canyon and South Fork Cottonwood Creek. 335 Comment
  JEPS104021  Rigiopappus leptocladus Lowell Ahart 2003-4-17 10116 Tehama Along the trail, on the n side of Dye Creek, ca 1/2 mi e of the Dye Creek buildings, Dye Creek Preserve, ca 6 mi (air) ne of Los Molinos. 174 Comment
  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
  JEPS34914  Rigiopappus leptocladus W. L. Jepson 1932-5-9 16319 Tehama along road to Lowrey about 1 1/2 mi ne Paskenta 304 Comment
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Jul 1 2009
  SBBG28024  Rigiopappus leptocladus M. S. Baker 1953-5-30 12603 Tehama W of Paskenta near 6 mi post Comment
  JEPS30391  Rigiopappus leptocladus Peter H. Raven Tehama Comment
  RSA90493  Rigiopappus leptocladus Milo S. Baker 1953-5-9 12603 Tehama Logging road west of Pakenta, near 6 mile post 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
  JEPS102761  Rosa gymnocarpa Lowell Ahart 2001-8-28 9182 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
  CHSC66502  Rosa pisocarpa subsp. ahartii Vernon H. Oswald; Lowell Ahart 1996-5-20 7590 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. On the flood plain of Paynes Creek. 152 Comment
  JEPS88555 Image available Rosa pisocarpa subsp. ahartii Vernon H. Oswald and Lowell Ahart 1996-5-20 7590 Tehama BLM parcel along Highway 36 ne of Red Bluff (on flood plain of Paynes Creek, Cascade Range Foothills); Hog Lake Plateau, Cascade Range Foothills Comment
  UCD80564  Rostraria cristata CNPS SN Foothill Team 2005-5-9 SNFN 0255 Tehama TNC Dye Creek Preserve. 355 Comment
  CHSC113263  Rumex crispus Lowell Ahart; John Dittes 2014-5-16 19481 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
  JEPS104324  Rumex salicifolius var. denticulatus Lowell Ahart 2003-6-11 10253 Tehama On the south 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
  CHSC69688  Rumex salicifolius var. triangulivalvis Vernon Oswald 1984-6-19 1298 Tehama Hwy 32, 1.8 mi s-w of Hwy 36. Growing in disturbed soil beside the road. 1414 Comment
  CHSC72534  Rupertia hallii Ann Willyard 1998-8-1 118 Tehama Ponderosa Way, about 0.75 miles NE of Campbellville, 0.3 road miles N of logging spur 280H. Revisit of 1936 collection side of Johannsen. UTM: 10 609496E 4431468N. 1219 Comment
  CHSC64521  Sagina apetala Vernon H. Oswald; Lowell Ahart 1995-4-3 6559 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. In the roadbed at the s gate of the old highway. 216 Comment
  JEPS97211  Sagina apetala Vernon H. Oswald and L. Ahart 1995-4-3 6559 Tehama T29N R2W NE1/4 SW1/4 Sec. 26, 710 ft, Cascade Range Foothills, Stony Tuscan Loam over hardpan. Dales Lake Reserve on the W side of Manton Rd. (A6) ca. 1.5 mi n of Dales Station on Hwy. 36, ca. 14 mi ne of Red Bluff 216 Comment
  CHSC65727  Sagina decumbens subsp. occidentalis Vernon H. Oswald; Lowell Ahart 1996-4-3 7313 Tehama Northwest side of Sacramento Valley. Thomes Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. On the edges of the dirt lane along the W side of the parcel, just N of the intermittent stream. 106 Comment
  CHSC68943  Sagina saginoides Vernon Oswald; Lowell Ahart 1997-7-7 8712 Tehama Forest Route 35 at a branch of the South Fork of Beegum Creek 0.4 mi west of Rat Trap Gap, north side of the Yolla Bolly-Middle Eel Wilderness. Along a streamlet. 1706 Comment
  CHSC69658  Sagina saginoides Vernon Oswald; Lowell Ahart 1997-9-9 8865 Tehama Forest Rd. 26N09 at Cascade Creek, northwest of Chico Mdws., 1.1 mi southeast of Hwy. 32. Along edge of creek. 1219 Comment
  CHSC66582  Sagittaria sanfordii Vernon H. Oswald; Lowell Ahart 1996-7-8 7977 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. In Hog Lake (collected in ca. 3 dm of water on the NE side). 265 Comment
  CAS-BOT-BC132677  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
  CAS-BOT-BC132678  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
  CAS-BOT-BC103360  Salix bonplandiana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 651 Tehama Red Bluff Comment
  CHSC105222  Salix exigua Lowell Ahart; John Dittes 2010-7-19 16891 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
  CHSC9568  Salix exigua E. L. Smith 1971-4-8 942 Tehama Ca. 28 mi n of Chico, on Hwy 99 just acroos Butte Co. line. Comment
  UC525957  Salix exigua var. hindsiana C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-23 652 Tehama 13 mi e Red Bluff (Payne Creek) Comment
  UC726658  Salix exigua var. hindsiana A. A. Heller 1927-5-8 14367 Tehama near Vina 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
  RSA0038298  Salix geyeriana var. argentea Carleton R. Ball, H. P. Bracelin, Beryl Kautz 1931-5-30 372 Tehama South Fork of Battle Creek, 1.7 km. west of Mineral. 1500 Comment
  POM209493  Salix gooddingii Carleton R. Ball, Emily Smith, H. P. Bracelin 1932-7-23 650 Tehama Red Bluff. 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
  UCD111011  Salix hookeriana C. R. Ball; Mrs. H. P. Bracelin and Beryl Kautz 1931-5-31 404 Tehama Paine's Creek, 24 km. east of Red Bluff. 300 Comment
  CHSC9566  Salix laevigata E. L. Smith 1971-4-8 940 Tehama Ca. 28 mi n of Chico on Hwy 99 just across Butte County line. Comment
  JEPS38400  Salix laevigata W. L. Jepson 1899-4-27 19 s Tehama near Mt. Tom (Cold Fork of the Cottonwood) Comment
  UC481986  Salix lasiandra subsp. lasiandra C. R. Ball, Mrs. H. P. Bracelin, and Beryl Kautz 1931-5-30 373 Tehama 1.7 km. w. Mineral (s. side of hwy., s. of road maintenance gravel dump); S. Fork Battle Creek 1500 Comment
  UC600423  Salix lasiandra subsp. lasiandra H. F. Copeland 1931-8-9 Tehama near Mineral Mineral Comment
  CAS-BOT-BC128073  Salix lasiandra var. lasiandra C. R. Ball; Mrs. H. P. Bracelin; Beryl Kautz 1931-5-30 373 Tehama South Fork of Battle Creek, 1.7 km. west of Mineral 1500 Comment
  CAS-BOT-BC129526  Salix lasiandra var. lasiandra A. A. Heller 1928-5-30 14591 Tehama Mineral 1524 Comment
  UCD80747  Salix lasiolepis CNPS SN Foothill Team 2005-6-7 SNNR 0214 b Tehama TNC, Dye Creek Preserve, in the drainage between Speegle Ridge and Willow Tree Ridge. 455 Comment
  CAS-BOT-BC124912  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 2042 Comment
  CAS-BOT-BC124920  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt. Lassen Highway, 0.6 mile north of Sulphur Works Checking Station. Lassen Volcanic National Park 2042 Comment
  CAS-BOT-BC124940  Salix lemmonii C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-23 672 Tehama Mt. Lassen Highway, 8 miles northeast of Mineral 1981 Comment
  CHSC115539  Salix lemmonii Lowell Ahart; John Dittes 2015-8-5 20443 Tehama On damp black soil, meadow, 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
  SBBG27407  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 686 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG27410  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-24 685 Tehama Mt Lassen Hwy 0.6 mi N of Sulphur Works Checking Station 2042 Comment
  SBBG57899  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 681 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SBBG57900  Salix lemmonii C. R. Ball, E. Smith, Mrs. H. P. Bracelin 1932-7-23 680 Tehama Mt Lassen Hwy, 8 mi NE of Mineral 2042 Comment
  SJSU224  Salix lemmonii C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-24 684 Tehama Mt Lassen Hwy, 0.8 mi N of Sulphur Works Checking Station, Lassen Volcanic National Park 2042 Comment
  UC525917  Salix lemmonii C. R. Ball, Emily Smith, and Mrs. H. P. Bracelin 1932-7-24 684 Tehama 0.6 mi. n. Sulphur Works Checking Station (Mt. Lassen Hwy.); Lassen Volcanic Nat'l Park 2042 Comment
  SBBG57911  Salix ligulifolia C. R. Ball, Mrs. H. P. Bracelin, B. Kautz 1931-5-30 379 Tehama S fork of Battle Crk, 1.7 km NE of Mineral 1570 Comment
  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
  SBBG128239  Salix melanopsis L. Ahart 2010-7-19 16893 Tehama ca. 20 yards N of the poor rd crossing, on the bottom of the S Fork of Battle Crk, ca. 3.3 mi (air) SW of Manton, ca. 4.2 mi (air) N of Hwy 36 and Lane Valley Rd intersection 432 Comment
  UCD111772  Salix melanopsis John Thomas Howell 1960-8-20 36235 Tehama Morgan, Lassen Volcanic National Park. 1463 Comment
  CHSC9565  Salix nigra E. L. Smith 1971-4-8 939 Tehama Ca. 28 mi n of Chico, on Hwy 99 just across Butte Co. line. Comment
  CAS-BOT-BC126173  Salix scouleriana C. R. Ball; Emily Smith; Mrs. H. P. Bracelin 1932-7-24 678 Tehama Mt. Lassen Highway 8.9 miles from Mineral, Lassen Volcanic National Park 2011 Comment
  SJSU158  Salix scouleriana C. R. Ball, Emily Smith, Mrs. H. P. Bracelin 1932-7-23 671 Tehama Mt Lassen Hwy 7.9 mi NE of Mineral 1981 Comment
  CDA3217  Salsola tragus S. T. Ancell 1959-8-14 2931 Tehama Red Bluff. 0 Comment
  CHSC48496  Salvia columbariae Vernon Oswald 1984-4-11 1151 Tehama Round Valley Rd. (also M4 or 23N02), 3.4 mi w of Newville Rd. (0.7 mi w of Mendocino Nat. Forest boundary). 335 Comment
  JEPS62664  Salvia columbariae Virginia Long Bailey 1938-4-16 Tehama 5 mi w Paskenta Comment
  HSC73427  Salvia sonomensis S. R. Ahrens, L. Sieburth, B. Potter 1981-5-10 27 Tehama 671 Comment
  CHSC66190  Sambucus mexicana Vernon H. Oswald; Lowell Ahart 1996-6-3 7728 Tehama Hog Lake Plateau. Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. Ca. 0.2 mi SE of the old bridge site on Paynes Creek. 121 Comment
  CAS-BOT-BC235078  Sambucus racemosa var. racemosa John Thomas Howell 1961-6-20 36587 Tehama Near Lassen Volcanic National Park. Bluff Falls 1981 Comment
  POM213948  Sanguisorba annua H. F. Copeland 1931-8-9 s.n. Tehama Near Mineral. Comment
  CHSC55175  Sanicula bipinnata L. P. Janeway 1991-4-11 3878 Tehama Battle Creek Wildlife Area. Tablelands on south side of Battle Creek, ca 1 1/2 mi east of the Sacramento River. 170 Comment
  CHSC27557  Sanicula bipinnatifida W. K. Cheechov 1978-3-24 5 Tehama 50 ft se of intersection of Reeds Creek and Pettyjohn Rd. 12.5 mi w of Red Bluff. 262 Comment
  CHSC79645  Sanicula crassicaulis L. P. Janeway; B. Castro 2000-4-21 6674 Tehama High Cascade Range. North side of Mill Creek at Black Rock Campground, 0.3 km west of Black Rock and Ponderosa Way. 640 Comment
  UC195450  Sanicula crassicaulis A. A. Heller 1914-4-29 11332 Tehama 8 mi s of Vina (along Pine Creek); Pine Creek Comment
  JEPS1017  Sanicula graveolens W. L. Jepson 1927-6-24 12327 Tehama Mineral 1524 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
  UC2029089  Sanicula graveolens Barbara Ertter 1990-5-13 8950 Tehama 0.1 mi W of Lassen Lodge fire station on Highway 36, ca 7 1/2 miles west of Mineral. Comment
  CHSC117660  Saponaria officinalis Lowell Ahart; John Dittes 2016-8-25 21297 Tehama Along roads, about 50 yards west of the Sacramento River, Anderson River Park, 0.7 miles (air) upstream from Stillwater Creek Confluence 1.8 miles (air) northeast of Balls Ferry Road exit from Interstate 5 in Anderson. Undesignated section of San Buenaventura Land Grant. 117 Comment
  CHSC66601  Saponaria officinalis Vernon H. Oswald 1996-7-19 8075 Tehama Cascade Range Foothills. BLM parcel on the N side of the Sacramento River at Jellys Ferry Bridge on Jellys Ferry Rd. NE of Red Bluff. Along the river W of the parking area. 97 Comment
  RSA105483  Saxifraga odontoloma G. D. Barbe 1955-7-21 232 Tehama The south shore of Square Lake. South Yolla Bolly. 2104 Comment
  CHSC102486  Schoenoplectus acutus var. occidentalis L. P. Janeway 2009-11-15 9965 Tehama High North Coast Ranges. Along Raglin Ridge Road at its crossing of North Fork Elder Creek. 419 Comment
  CHSC66587  Schoenoplectus californicus Vernon H. Oswald; Lowell Ahart 1996-7-8 7979 Tehama Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Cascade Range Foothills. On the edge of Paynes Creek at the former bridge site at the W end of the gravel road. 97 Comment
  CHSC115839  Schoenoplectus heterochaetus Lowell Ahart; John Dittes, Josephine Guardino, Steven Green 2015-7-31 20408 Tehama Northwest strand of Wilson Lake, east of County Road 769, 2.05 air-miles east of intersection of State Highway 36 and Wilson Lake Road, 2.32 air-miles north-northeast of Gurnsey Creek Campground, 10.74 air-miles south-southeast of Lassen Peak. 1606 Comment
  CHSC82155  Scirpus congdonii L. P. Janeway 2001-7-29 7393 Tehama High Cascade Range. At Tamarack Spring; about 4.5 km south-southeast of Turner Mountain; the head of Gunbarrel Creek. Meadow. 1667 Comment
  CHSC65954  Scleranthus annuus subsp. annuus Vernon H. Oswald; Lowell Ahart 1996-4-23 7446 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. Along flood channels of Paynes Creek just downstream from the power line at this location. 147 Comment
  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
  UCD92522  Scribneria bolanderi Chandler Jensen 1957-4-30 s.n. Tehama along U.S. Highway 99E, just east of Los Molinos. Comment
  CHSC64974  Scutellaria antirrhinoides Vernon H. Oswald; Lowell Ahart 1995-7-12 7049 Tehama W of Red Bluff and S of Platina at Tedoc Gap on Forest Route 45. 1371 Comment
  RSA123698  Scutellaria antirrhinoides G. D. Barbe 1955-7-16 177 Tehama On the E ridge leading to the summit of S Yolla Bolly (Mt. Linn) 2287 Comment
  UC1002661  Scutellaria antirrhinoides Milo S. Baker and H. K. Wagnon 1954-7-11 13022 Tehama [6.1] mi above Whitlock Camp (e side of County road) 1828 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
  CHSC66491  Scutellaria californica Vernon H. Oswald; Lowell Ahart 1996-5-20 7583 Tehama Cascade Range Foothills. Hog Lake Plateau. BLM parcel along Hwy. 36 NE of Red Bluff. 182 Comment
  CHSC85293  Scutellaria californica John Dittes; Josephine Guardino, Lowell Ahart 2003-8-23 811 Tehama High North Coast Range; Yolla Bolly-Middle Eel Wilderness; South Yolla Bolly Mountains; north slope of eastern ridge of Mt. Linn; ca. 0.8 air-mile east of Square Lake. Downslope of trail. 2113 Comment
  UCR9040  Scutellaria californica Donald Myrick 1966-8-6 1457 Tehama Dried creek bed on South Yolla Bolly Mountain 2134 Comment
  UCSB13226  Scutellaria californica Dearing, Hugh; Dearing, Margaret Tehama Potato Patch Camp; Pine Woods 1080 Comment
  CHSC66492  Scutellaria siphocampyloides Vernon H. Oswald; Lowell Ahart 1996-5-20 7570 Tehama Cascade Range Foothills. BLM parcel along Hwy. 36 NE of Red Bluff. Common on the rocky bed and edges of an intermittent stream at the northeast end the the parcel. 188 Comment
  JEPS3558  Scutellaria siphocampyloides Milo S. Baker and H. K. Wagnon 1953-5-31 12693 Tehama w of Paskenta (near a source of winter streamlet flowing past 5 mi post on logging road, West Tehama County) 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
  UCD101983  Sedella pumila June McCaskill 1960-5-26 606 Tehama on west side of road, on Wright-Graham ranch, South Power House Road, 1.5 miles south of Manton. Comment
  UC1072714  Sedum laxum subsp. laxum Douglas Barbe 1955-7-16 175 Tehama on the e ridge leading to the summit South Yolla Bolly (Mt. Linn); e ridge leading to summit South Yolla Bolly (Mt. Linn) 2286 Comment
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Oct 29 2020
  CHSC55169  Selaginella hansenii L. P. Janeway 1991-4-18 3896 Tehama On south side of and above Battle Creek, ca 1 1/2 me east of the Sacramento River. Battle Creek Wildlife Area. 167 Comment
  CHSC64334  Selaginella hansenii Vernon H. Oswald; Lowell Ahart 1995-2-22 6484 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. 225 Comment
  CAS-BOT-BC62099  Selaginella hansenii Ira L. Wiggins 1968-12-29 21050 Tehama along Belle Mill Road about 5-6 mi E of Highway 99 east of Red Bluff 152 Comment
  UC1949177  Selaginella wallacei Barbara Ertter with Brad Olson 1991-7-4 10190 Tehama Toomes Camp Rd (Mendocino FR 23N01) 7.0 mi W of Paskenta, ca 23 airmiles W of Corning Comment
  CAS-BOT-BC363435  Senecio aronicoides Mary Strong Clemens 1920-7-30 s.n. Tehama Mineral Comment
  CHSC59694  Senecio aronicoides L. V. Ritter 1969-6-15 351 Tehama 0.4 mi w of Soda Spring Campground 200 yds s of Hwy. 32. Comment
  CHSC68696  Senecio aronicoides Vernon H. Oswald; Lowell Ahart 1997-5-14 8434 Tehama Between Paynes Creek and Cohasset on Ponderosa Way (Forest Rd. 28N29) 6.7 mi south of Plum Creek Rd., 0.6 mi southwest of the Middle Fork Antelope Creek. 1011 Comment
  UCD73355  Senecio aronicoides Chuck Hughes 2008-6-22 46 Tehama Ides Cove Trailhead, east of Mount Linn. 2100 Comment
  CAS-BOT-BC363592  Senecio fremontii var. fremontii John Thomas Howell 1960-8-19 36193 Tehama Lassen Volcanic National Park. Summit ridge, Brokeoff Mt. 2804 Comment
  CHSC69164  Senecio hydrophilus Vernon Oswald 1997-8-13 8815 Tehama Forest Road 29N19 (to Willow Spring Campground) 4.0 mi east of Wilson Lake Road, 0.5 mi west of Edge Cabin Spring, north of Hwy. 36 and ca. 6.5 air mi east-southeast of Childs Mdws. In meadow along Lost Creek. 1572 Comment
  RSA0124935  Senecio integerrimus var. exaltatus Milo S. Baker, H. K. Wagnon 1953-7-11 12841 Tehama 3 mi above Whiteoak Camp. 1524 Comment
  CHSC113909  Senecio vulgaris Lowell Ahart 2014-5-13 19446 Tehama About 1/10 mile north of the restroom and the paved road to Berris Creek, west of Berris Creek, south side of Kendrick Creek, strand of Black Butte Reservoir, about 12 miles (air) southwest of Corning. 148 Comment
  CHSC82295  Senecio vulgaris Lowell Ahart 2002-4-27 9546 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
  CDA34217  Setaria pumila L. Ahart, J. Dittes, J Guardino 2010-9-1 17140 Tehama On the south side of John Dittes home, about 100 yards south of Mill Creek and about 0.3 miles east of confluence with the Sacramento River, Los Molinos. Comment
  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
  UC1949166  Sherardia arvensis Barbara Ertter 1991-5-19 9869 Tehama Vassar Road junction on Hwy 36 16.5 mi W of Red Bluff Comment
  UC725970  Sidalcea calycosa A. A. Heller 1929-4-27 14850 Tehama Salmon Hole Comment
  CHSC41008  Sidalcea diploscypha Pauleen Broyles 1982-5-6 929 Tehama The Conservancy Vina Plains Preserve. Ca .5 km s of Lassen Road in central pasture. 66 Comment
  UC727085  Sidalcea diploscypha A. A. Heller 1927-5-3 14361 Tehama ten mi n Chico; n of Chico Comment
  CHSC28163  Sidalcea glaucescens J. D. Jokerst 1979-7-16 284 Tehama 100 m S. of Forest Service Trail 3E12, 1.0 mi W. of trail head. Comment
  JEPS105873  Sidalcea hartwegii Lowell Ahart 2004-4-29 10780 Tehama About 20 yards north of the Nomalaki Trail, about 50 yards north of Bowers Creek, about 3/4 mile northwest of Forest Road 23N69 (Mud Flat Road), about 6 1/2 miles (air) southwest of Paskenta 523 Comment
  CHSC41004  Sidalcea hirsuta Pauleen Broyles 1982-5-24 650 Tehama The Nature Conservancy Vina Plains Preserve. At edge of large vernal pool, 50 m. s of Lassen Road in w pasture. 66 Comment
  CHSC66030  Sidalcea hirsuta Vernon H. Oswald 1996-5-13 7553 Tehama Thomas Creek Ecological Reserve. CDFG parcel on the S side of Gyle Rd. NW of Corning. Northwest side of Sacramento Valley. Localized population along the first drainage S of the creek and ca. 0.1 mi E of the W. boundary. 105 Comment
  HSC35738  Sidalcea malviflora Steven Lagos 1974-5-5 65 Tehama Hwy. 36, 21 mi. E of Trinity Co. line Comment
  JEPS97965  Sidalcea malviflora subsp. asprella K. Andreasen 1998-6-29 275 Tehama Hwy 36, 0.5 mi from Crane Creek Comment
  JEPS67271  Sidalcea oregana subsp. spicata Jos. Grinnell 1925-7-21 Tehama Mineral 1463 Comment
  UC871506  Sidalcea oregana subsp. spicata Alice Eastwood Aug 22 1912-Aug 26 1912 1888 Tehama Morgans Springs Lassen Butte Region, Morgans Springs Comment
  CAS-BOT-BC213192  Sidalcea robusta Larry Berti 1980-4-25 1030 Tehama Ca. 1/2 mile from Crane Creek, along Highway 36. Comment
  HSC74851  Silene campanulata subsp. glandulosa J. P. Smith, Thomas W. Nelson 1978-7-22 10039 Tehama Shasta-Trinity National Forest. On the road to Mt. Tedoc 1585 Comment
  CHSC66110  Silene gallica Vernon H. Oswald; Lowell Ahart 1996-4-29 7482 Tehama Thomes Creek Ecological Reserve. Northwest side of Sacramento Valley. CDFG parcel on the S side of Gyle Rd. NW of Corning. Near the farm pond located on the S boundary. 106 Comment
  UC1001332  Silene grayi Louise Kellogg 1952-7-17 73 Tehama South Yolla Bolly Mountain North Coast Ranges, Mendocino NF, Middle Eel-Yolla Bolla Pri (Middle Eel-Yolla Bolla Primitive Area, Mendocino National Forest) 2438 Comment
  CHSC61418  Silene invisa Vernon H. Oswald; Lowell Ahart 1993-8-18 5814 Tehama Lassen Volcanic National Park. Slope between Mt. Conard and Spencer Meadow, near the S boundary of the park. On the edge of a meadow at one of the headwaters of Canyon Creek. 2109 Comment
  CAS-BOT-BC388996  Silene laciniata subsp. californica Elmer I. Applegate 1932-4-13 7042 Tehama Rosewood. Hills west of Red Bluff Comment
  CHSC90424  Silene lemmonii Niall McCarten; Roxanne Bittman 1986-6-15 5377 Tehama Mendocino National Forest--North Coast Ranges. Thomes Creek Watershed. 1/3 mi. W of Johnsson cabin. Comment
  CAS-BOT-BC389280  Silene lemmonii Alice Eastwood; John Thomas Howell 1941-7-9 9716 Tehama Log Spring Ridge between Log Spring and Government Flat Comment
  CAS-BOT-BC181356  Silene occidentalis Mrs. H. C. Cantelow 1938-7-5 2415 Tehama 5.3 mi. s. w. jct. Hwy. 32-89, Deer Creek Rd, s.w. of Chester 1280 Comment
  UC845093  Sisyrinchium A. A. Heller 1916-4-20 12328 Tehama 3 mi n of Red Bluff Comment
  UC429220  Sisyrinchium idahoense var. occidentale Milo S. Baker before Feb. 1906 Tehama Little Hot Spring Valley Comment
  SEINET10472589  Smilacina stellata Mary Susan Taylor 1975-7-17 Taylor 855 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
  CDA39213  Smilax californica L. Ahart, J. Dittes 2003-6-11 10271 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
  CHSC84306  Smilax californica Lowell Ahart; John Dittes 2003-6-11 10271 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
  CHSC82314  Solanum parishii Lowell Ahart 2002-4-27 9561 Tehama On the side of a wash, on the north side of Road M2, about 50 yards northwest of the dirt road that leads to the tower, about 8 miles west of Paskenta. 609 Comment
  UCR78375  Solanum rostratum Barbara Ertter, Elizabeth Neese, Laura Fujii, Dawn Espindola 1989-10-21 8889 Tehama S side of NW armm of Black Butte Lake west of Orland 152 Comment
  CAS-BOT-BC157517  Solanum umbelliferum A. Eastwood; J. T. Howell 1941-7-9 9714 Tehama Log Spring Ridge between Log Spring and Government Flat 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
  CAS-BOT-BC157518  Solanum umbelliferum A. Eastwood; J. T. Howell 1934-4-22 1879 Tehama 4 miles w. of Payne's Creek Comment
  CDA7131  Solidago californica L. Ahart 2003-8-11 10493 Tehama On the west side of road M2, about 9 miles west of Paskenta. Comment
  CDA8719  Solidago californica L. Ahart, S. M. Hillaire 2004-7-9 11215 Tehama Along the sides of the Mill Creek Trail (4E10), north of Mill Creek, about 1/4 mile west of the Black Rock, Black Rock Campground, and Ponderosa Way (Forest Road 28N29), about 26 miles (air) east of Red Bluff. Comment